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-rw-r--r--drivers/gpu/drm/Kconfig11
-rw-r--r--drivers/gpu/drm/i915/Makefile17
-rw-r--r--drivers/gpu/drm/i915/dvo.h151
-rw-r--r--drivers/gpu/drm/i915/dvo_ch7017.c454
-rw-r--r--drivers/gpu/drm/i915/dvo_ch7xxx.c368
-rw-r--r--drivers/gpu/drm/i915/dvo_ivch.c442
-rw-r--r--drivers/gpu/drm/i915/dvo_sil164.c302
-rw-r--r--drivers/gpu/drm/i915/dvo_tfp410.c335
-rw-r--r--drivers/gpu/drm/i915/i915_dma.c258
-rw-r--r--drivers/gpu/drm/i915/i915_drv.c33
-rw-r--r--drivers/gpu/drm/i915/i915_drv.h45
-rw-r--r--drivers/gpu/drm/i915/i915_gem.c132
-rw-r--r--drivers/gpu/drm/i915/i915_irq.c21
-rw-r--r--drivers/gpu/drm/i915/intel_bios.c193
-rw-r--r--drivers/gpu/drm/i915/intel_bios.h405
-rw-r--r--drivers/gpu/drm/i915/intel_crt.c284
-rw-r--r--drivers/gpu/drm/i915/intel_display.c1621
-rw-r--r--drivers/gpu/drm/i915/intel_drv.h146
-rw-r--r--drivers/gpu/drm/i915/intel_dvo.c501
-rw-r--r--drivers/gpu/drm/i915/intel_fb.c926
-rw-r--r--drivers/gpu/drm/i915/intel_i2c.c184
-rw-r--r--drivers/gpu/drm/i915/intel_lvds.c525
-rw-r--r--drivers/gpu/drm/i915/intel_modes.c83
-rw-r--r--drivers/gpu/drm/i915/intel_sdvo.c1127
-rw-r--r--drivers/gpu/drm/i915/intel_sdvo_regs.h327
-rw-r--r--drivers/gpu/drm/i915/intel_tv.c1725
-rw-r--r--include/drm/i915_drm.h2
27 files changed, 10567 insertions, 51 deletions
diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig
index a8b33c2ec8d..5f26d6c840d 100644
--- a/drivers/gpu/drm/Kconfig
+++ b/drivers/gpu/drm/Kconfig
@@ -76,6 +76,17 @@ config DRM_I915
endchoice
+config DRM_I915_KMS
+ bool "Enable modesetting on intel by default"
+ depends on DRM_I915
+ help
+ Choose this option if you want kernel modesetting enabled by default,
+ and you have a new enough userspace to support this. Running old
+ userspaces with this enabled will cause pain. Note that this causes
+ the driver to bind to PCI devices, which precludes loading things
+ like intelfb.
+
+
config DRM_MGA
tristate "Matrox g200/g400"
depends on DRM
diff --git a/drivers/gpu/drm/i915/Makefile b/drivers/gpu/drm/i915/Makefile
index d8fb5d8ee7e..dd57a5bd457 100644
--- a/drivers/gpu/drm/i915/Makefile
+++ b/drivers/gpu/drm/i915/Makefile
@@ -8,7 +8,22 @@ i915-y := i915_drv.o i915_dma.o i915_irq.o i915_mem.o \
i915_gem.o \
i915_gem_debug.o \
i915_gem_proc.o \
- i915_gem_tiling.o
+ i915_gem_tiling.o \
+ intel_display.o \
+ intel_crt.o \
+ intel_lvds.o \
+ intel_bios.o \
+ intel_sdvo.o \
+ intel_modes.o \
+ intel_i2c.o \
+ intel_fb.o \
+ intel_tv.o \
+ intel_dvo.o \
+ dvo_ch7xxx.o \
+ dvo_ch7017.o \
+ dvo_ivch.o \
+ dvo_tfp410.o \
+ dvo_sil164.o
i915-$(CONFIG_ACPI) += i915_opregion.o
i915-$(CONFIG_COMPAT) += i915_ioc32.o
diff --git a/drivers/gpu/drm/i915/dvo.h b/drivers/gpu/drm/i915/dvo.h
new file mode 100644
index 00000000000..e80866c5e1a
--- /dev/null
+++ b/drivers/gpu/drm/i915/dvo.h
@@ -0,0 +1,151 @@
+/*
+ * Copyright © 2006 Eric Anholt
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that copyright
+ * notice and this permission notice appear in supporting documentation, and
+ * that the name of the copyright holders not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission. The copyright holders make no representations
+ * about the suitability of this software for any purpose. It is provided "as
+ * is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#ifndef _INTEL_DVO_H
+#define _INTEL_DVO_H
+
+#include <linux/i2c.h>
+#include "drmP.h"
+#include "drm.h"
+#include "drm_crtc.h"
+#include "intel_drv.h"
+
+struct intel_dvo_device {
+ char *name;
+ int type;
+ /* DVOA/B/C output register */
+ u32 dvo_reg;
+ /* GPIO register used for i2c bus to control this device */
+ u32 gpio;
+ int slave_addr;
+ struct intel_i2c_chan *i2c_bus;
+
+ const struct intel_dvo_dev_ops *dev_ops;
+ void *dev_priv;
+
+ struct drm_display_mode *panel_fixed_mode;
+ bool panel_wants_dither;
+};
+
+struct intel_dvo_dev_ops {
+ /*
+ * Initialize the device at startup time.
+ * Returns NULL if the device does not exist.
+ */
+ bool (*init)(struct intel_dvo_device *dvo,
+ struct intel_i2c_chan *i2cbus);
+
+ /*
+ * Called to allow the output a chance to create properties after the
+ * RandR objects have been created.
+ */
+ void (*create_resources)(struct intel_dvo_device *dvo);
+
+ /*
+ * Turn on/off output or set intermediate power levels if available.
+ *
+ * Unsupported intermediate modes drop to the lower power setting.
+ * If the mode is DPMSModeOff, the output must be disabled,
+ * as the DPLL may be disabled afterwards.
+ */
+ void (*dpms)(struct intel_dvo_device *dvo, int mode);
+
+ /*
+ * Saves the output's state for restoration on VT switch.
+ */
+ void (*save)(struct intel_dvo_device *dvo);
+
+ /*
+ * Restore's the output's state at VT switch.
+ */
+ void (*restore)(struct intel_dvo_device *dvo);
+
+ /*
+ * Callback for testing a video mode for a given output.
+ *
+ * This function should only check for cases where a mode can't
+ * be supported on the output specifically, and not represent
+ * generic CRTC limitations.
+ *
+ * \return MODE_OK if the mode is valid, or another MODE_* otherwise.
+ */
+ int (*mode_valid)(struct intel_dvo_device *dvo,
+ struct drm_display_mode *mode);
+
+ /*
+ * Callback to adjust the mode to be set in the CRTC.
+ *
+ * This allows an output to adjust the clock or even the entire set of
+ * timings, which is used for panels with fixed timings or for
+ * buses with clock limitations.
+ */
+ bool (*mode_fixup)(struct intel_dvo_device *dvo,
+ struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode);
+
+ /*
+ * Callback for preparing mode changes on an output
+ */
+ void (*prepare)(struct intel_dvo_device *dvo);
+
+ /*
+ * Callback for committing mode changes on an output
+ */
+ void (*commit)(struct intel_dvo_device *dvo);
+
+ /*
+ * Callback for setting up a video mode after fixups have been made.
+ *
+ * This is only called while the output is disabled. The dpms callback
+ * must be all that's necessary for the output, to turn the output on
+ * after this function is called.
+ */
+ void (*mode_set)(struct intel_dvo_device *dvo,
+ struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode);
+
+ /*
+ * Probe for a connected output, and return detect_status.
+ */
+ enum drm_connector_status (*detect)(struct intel_dvo_device *dvo);
+
+ /**
+ * Query the device for the modes it provides.
+ *
+ * This function may also update MonInfo, mm_width, and mm_height.
+ *
+ * \return singly-linked list of modes or NULL if no modes found.
+ */
+ struct drm_display_mode *(*get_modes)(struct intel_dvo_device *dvo);
+
+ /**
+ * Clean up driver-specific bits of the output
+ */
+ void (*destroy) (struct intel_dvo_device *dvo);
+
+ /**
+ * Debugging hook to dump device registers to log file
+ */
+ void (*dump_regs)(struct intel_dvo_device *dvo);
+};
+
+#endif /* _INTEL_DVO_H */
diff --git a/drivers/gpu/drm/i915/dvo_ch7017.c b/drivers/gpu/drm/i915/dvo_ch7017.c
new file mode 100644
index 00000000000..03d4b4973b0
--- /dev/null
+++ b/drivers/gpu/drm/i915/dvo_ch7017.c
@@ -0,0 +1,454 @@
+/*
+ * Copyright © 2006 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ * Eric Anholt <eric@anholt.net>
+ *
+ */
+
+#include "dvo.h"
+
+#define CH7017_TV_DISPLAY_MODE 0x00
+#define CH7017_FLICKER_FILTER 0x01
+#define CH7017_VIDEO_BANDWIDTH 0x02
+#define CH7017_TEXT_ENHANCEMENT 0x03
+#define CH7017_START_ACTIVE_VIDEO 0x04
+#define CH7017_HORIZONTAL_POSITION 0x05
+#define CH7017_VERTICAL_POSITION 0x06
+#define CH7017_BLACK_LEVEL 0x07
+#define CH7017_CONTRAST_ENHANCEMENT 0x08
+#define CH7017_TV_PLL 0x09
+#define CH7017_TV_PLL_M 0x0a
+#define CH7017_TV_PLL_N 0x0b
+#define CH7017_SUB_CARRIER_0 0x0c
+#define CH7017_CIV_CONTROL 0x10
+#define CH7017_CIV_0 0x11
+#define CH7017_CHROMA_BOOST 0x14
+#define CH7017_CLOCK_MODE 0x1c
+#define CH7017_INPUT_CLOCK 0x1d
+#define CH7017_GPIO_CONTROL 0x1e
+#define CH7017_INPUT_DATA_FORMAT 0x1f
+#define CH7017_CONNECTION_DETECT 0x20
+#define CH7017_DAC_CONTROL 0x21
+#define CH7017_BUFFERED_CLOCK_OUTPUT 0x22
+#define CH7017_DEFEAT_VSYNC 0x47
+#define CH7017_TEST_PATTERN 0x48
+
+#define CH7017_POWER_MANAGEMENT 0x49
+/** Enables the TV output path. */
+#define CH7017_TV_EN (1 << 0)
+#define CH7017_DAC0_POWER_DOWN (1 << 1)
+#define CH7017_DAC1_POWER_DOWN (1 << 2)
+#define CH7017_DAC2_POWER_DOWN (1 << 3)
+#define CH7017_DAC3_POWER_DOWN (1 << 4)
+/** Powers down the TV out block, and DAC0-3 */
+#define CH7017_TV_POWER_DOWN_EN (1 << 5)
+
+#define CH7017_VERSION_ID 0x4a
+
+#define CH7017_DEVICE_ID 0x4b
+#define CH7017_DEVICE_ID_VALUE 0x1b
+#define CH7018_DEVICE_ID_VALUE 0x1a
+#define CH7019_DEVICE_ID_VALUE 0x19
+
+#define CH7017_XCLK_D2_ADJUST 0x53
+#define CH7017_UP_SCALER_COEFF_0 0x55
+#define CH7017_UP_SCALER_COEFF_1 0x56
+#define CH7017_UP_SCALER_COEFF_2 0x57
+#define CH7017_UP_SCALER_COEFF_3 0x58
+#define CH7017_UP_SCALER_COEFF_4 0x59
+#define CH7017_UP_SCALER_VERTICAL_INC_0 0x5a
+#define CH7017_UP_SCALER_VERTICAL_INC_1 0x5b
+#define CH7017_GPIO_INVERT 0x5c
+#define CH7017_UP_SCALER_HORIZONTAL_INC_0 0x5d
+#define CH7017_UP_SCALER_HORIZONTAL_INC_1 0x5e
+
+#define CH7017_HORIZONTAL_ACTIVE_PIXEL_INPUT 0x5f
+/**< Low bits of horizontal active pixel input */
+
+#define CH7017_ACTIVE_INPUT_LINE_OUTPUT 0x60
+/** High bits of horizontal active pixel input */
+#define CH7017_LVDS_HAP_INPUT_MASK (0x7 << 0)
+/** High bits of vertical active line output */
+#define CH7017_LVDS_VAL_HIGH_MASK (0x7 << 3)
+
+#define CH7017_VERTICAL_ACTIVE_LINE_OUTPUT 0x61
+/**< Low bits of vertical active line output */
+
+#define CH7017_HORIZONTAL_ACTIVE_PIXEL_OUTPUT 0x62
+/**< Low bits of horizontal active pixel output */
+
+#define CH7017_LVDS_POWER_DOWN 0x63
+/** High bits of horizontal active pixel output */
+#define CH7017_LVDS_HAP_HIGH_MASK (0x7 << 0)
+/** Enables the LVDS power down state transition */
+#define CH7017_LVDS_POWER_DOWN_EN (1 << 6)
+/** Enables the LVDS upscaler */
+#define CH7017_LVDS_UPSCALER_EN (1 << 7)
+#define CH7017_LVDS_POWER_DOWN_DEFAULT_RESERVED 0x08
+
+#define CH7017_LVDS_ENCODING 0x64
+#define CH7017_LVDS_DITHER_2D (1 << 2)
+#define CH7017_LVDS_DITHER_DIS (1 << 3)
+#define CH7017_LVDS_DUAL_CHANNEL_EN (1 << 4)
+#define CH7017_LVDS_24_BIT (1 << 5)
+
+#define CH7017_LVDS_ENCODING_2 0x65
+
+#define CH7017_LVDS_PLL_CONTROL 0x66
+/** Enables the LVDS panel output path */
+#define CH7017_LVDS_PANEN (1 << 0)
+/** Enables the LVDS panel backlight */
+#define CH7017_LVDS_BKLEN (1 << 3)
+
+#define CH7017_POWER_SEQUENCING_T1 0x67
+#define CH7017_POWER_SEQUENCING_T2 0x68
+#define CH7017_POWER_SEQUENCING_T3 0x69
+#define CH7017_POWER_SEQUENCING_T4 0x6a
+#define CH7017_POWER_SEQUENCING_T5 0x6b
+#define CH7017_GPIO_DRIVER_TYPE 0x6c
+#define CH7017_GPIO_DATA 0x6d
+#define CH7017_GPIO_DIRECTION_CONTROL 0x6e
+
+#define CH7017_LVDS_PLL_FEEDBACK_DIV 0x71
+# define CH7017_LVDS_PLL_FEED_BACK_DIVIDER_SHIFT 4
+# define CH7017_LVDS_PLL_FEED_FORWARD_DIVIDER_SHIFT 0
+# define CH7017_LVDS_PLL_FEEDBACK_DEFAULT_RESERVED 0x80
+
+#define CH7017_LVDS_PLL_VCO_CONTROL 0x72
+# define CH7017_LVDS_PLL_VCO_DEFAULT_RESERVED 0x80
+# define CH7017_LVDS_PLL_VCO_SHIFT 4
+# define CH7017_LVDS_PLL_POST_SCALE_DIV_SHIFT 0
+
+#define CH7017_OUTPUTS_ENABLE 0x73
+# define CH7017_CHARGE_PUMP_LOW 0x0
+# define CH7017_CHARGE_PUMP_HIGH 0x3
+# define CH7017_LVDS_CHANNEL_A (1 << 3)
+# define CH7017_LVDS_CHANNEL_B (1 << 4)
+# define CH7017_TV_DAC_A (1 << 5)
+# define CH7017_TV_DAC_B (1 << 6)
+# define CH7017_DDC_SELECT_DC2 (1 << 7)
+
+#define CH7017_LVDS_OUTPUT_AMPLITUDE 0x74
+#define CH7017_LVDS_PLL_EMI_REDUCTION 0x75
+#define CH7017_LVDS_POWER_DOWN_FLICKER 0x76
+
+#define CH7017_LVDS_CONTROL_2 0x78
+# define CH7017_LOOP_FILTER_SHIFT 5
+# define CH7017_PHASE_DETECTOR_SHIFT 0
+
+#define CH7017_BANG_LIMIT_CONTROL 0x7f
+
+struct ch7017_priv {
+ uint8_t save_hapi;
+ uint8_t save_vali;
+ uint8_t save_valo;
+ uint8_t save_ailo;
+ uint8_t save_lvds_pll_vco;
+ uint8_t save_feedback_div;
+ uint8_t save_lvds_control_2;
+ uint8_t save_outputs_enable;
+ uint8_t save_lvds_power_down;
+ uint8_t save_power_management;
+};
+
+static void ch7017_dump_regs(struct intel_dvo_device *dvo);
+static void ch7017_dpms(struct intel_dvo_device *dvo, int mode);
+
+static bool ch7017_read(struct intel_dvo_device *dvo, int addr, uint8_t *val)
+{
+ struct intel_i2c_chan *i2cbus = dvo->i2c_bus;
+ u8 out_buf[2];
+ u8 in_buf[2];
+
+ struct i2c_msg msgs[] = {
+ {
+ .addr = i2cbus->slave_addr,
+ .flags = 0,
+ .len = 1,
+ .buf = out_buf,
+ },
+ {
+ .addr = i2cbus->slave_addr,
+ .flags = I2C_M_RD,
+ .len = 1,
+ .buf = in_buf,
+ }
+ };
+
+ out_buf[0] = addr;
+ out_buf[1] = 0;
+
+ if (i2c_transfer(&i2cbus->adapter, msgs, 2) == 2) {
+ *val= in_buf[0];
+ return true;
+ };
+
+ return false;
+}
+
+static bool ch7017_write(struct intel_dvo_device *dvo, int addr, uint8_t val)
+{
+ struct intel_i2c_chan *i2cbus = dvo->i2c_bus;
+ uint8_t out_buf[2];
+ struct i2c_msg msg = {
+ .addr = i2cbus->slave_addr,
+ .flags = 0,
+ .len = 2,
+ .buf = out_buf,
+ };
+
+ out_buf[0] = addr;
+ out_buf[1] = val;
+
+ if (i2c_transfer(&i2cbus->adapter, &msg, 1) == 1)
+ return true;
+
+ return false;
+}
+
+/** Probes for a CH7017 on the given bus and slave address. */
+static bool ch7017_init(struct intel_dvo_device *dvo,
+ struct intel_i2c_chan *i2cbus)
+{
+ struct ch7017_priv *priv;
+ uint8_t val;
+
+ priv = kzalloc(sizeof(struct ch7017_priv), GFP_KERNEL);
+ if (priv == NULL)
+ return false;
+
+ dvo->i2c_bus = i2cbus;
+ dvo->i2c_bus->slave_addr = dvo->slave_addr;
+ dvo->dev_priv = priv;
+
+ if (!ch7017_read(dvo, CH7017_DEVICE_ID, &val))
+ goto fail;
+
+ if (val != CH7017_DEVICE_ID_VALUE &&
+ val != CH7018_DEVICE_ID_VALUE &&
+ val != CH7019_DEVICE_ID_VALUE) {
+ DRM_DEBUG("ch701x not detected, got %d: from %s Slave %d.\n",
+ val, i2cbus->adapter.name,i2cbus->slave_addr);
+ goto fail;
+ }
+
+ return true;
+fail:
+ kfree(priv);
+ return false;
+}
+
+static enum drm_connector_status ch7017_detect(struct intel_dvo_device *dvo)
+{
+ return connector_status_unknown;
+}
+
+static enum drm_mode_status ch7017_mode_valid(struct intel_dvo_device *dvo,
+ struct drm_display_mode *mode)
+{
+ if (mode->clock > 160000)
+ return MODE_CLOCK_HIGH;
+
+ return MODE_OK;
+}
+
+static void ch7017_mode_set(struct intel_dvo_device *dvo,
+ struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode)
+{
+ uint8_t lvds_pll_feedback_div, lvds_pll_vco_control;
+ uint8_t outputs_enable, lvds_control_2, lvds_power_down;
+ uint8_t horizontal_active_pixel_input;
+ uint8_t horizontal_active_pixel_output, vertical_active_line_output;
+ uint8_t active_input_line_output;
+
+ DRM_DEBUG("Registers before mode setting\n");
+ ch7017_dump_regs(dvo);
+
+ /* LVDS PLL settings from page 75 of 7017-7017ds.pdf*/
+ if (mode->clock < 100000) {
+ outputs_enable = CH7017_LVDS_CHANNEL_A | CH7017_CHARGE_PUMP_LOW;
+ lvds_pll_feedback_div = CH7017_LVDS_PLL_FEEDBACK_DEFAULT_RESERVED |
+ (2 << CH7017_LVDS_PLL_FEED_BACK_DIVIDER_SHIFT) |
+ (13 << CH7017_LVDS_PLL_FEED_FORWARD_DIVIDER_SHIFT);
+ lvds_pll_vco_control = CH7017_LVDS_PLL_VCO_DEFAULT_RESERVED |
+ (2 << CH7017_LVDS_PLL_VCO_SHIFT) |
+ (3 << CH7017_LVDS_PLL_POST_SCALE_DIV_SHIFT);
+ lvds_control_2 = (1 << CH7017_LOOP_FILTER_SHIFT) |
+ (0 << CH7017_PHASE_DETECTOR_SHIFT);
+ } else {
+ outputs_enable = CH7017_LVDS_CHANNEL_A | CH7017_CHARGE_PUMP_HIGH;
+ lvds_pll_feedback_div = CH7017_LVDS_PLL_FEEDBACK_DEFAULT_RESERVED |
+ (2 << CH7017_LVDS_PLL_FEED_BACK_DIVIDER_SHIFT) |
+ (3 << CH7017_LVDS_PLL_FEED_FORWARD_DIVIDER_SHIFT);
+ lvds_pll_feedback_div = 35;
+ lvds_control_2 = (3 << CH7017_LOOP_FILTER_SHIFT) |
+ (0 << CH7017_PHASE_DETECTOR_SHIFT);
+ if (1) { /* XXX: dual channel panel detection. Assume yes for now. */
+ outputs_enable |= CH7017_LVDS_CHANNEL_B;
+ lvds_pll_vco_control = CH7017_LVDS_PLL_VCO_DEFAULT_RESERVED |
+ (2 << CH7017_LVDS_PLL_VCO_SHIFT) |
+ (13 << CH7017_LVDS_PLL_POST_SCALE_DIV_SHIFT);
+ } else {
+ lvds_pll_vco_control = CH7017_LVDS_PLL_VCO_DEFAULT_RESERVED |
+ (1 << CH7017_LVDS_PLL_VCO_SHIFT) |
+ (13 << CH7017_LVDS_PLL_POST_SCALE_DIV_SHIFT);
+ }
+ }
+
+ horizontal_active_pixel_input = mode->hdisplay & 0x00ff;
+
+ vertical_active_line_output = mode->vdisplay & 0x00ff;
+ horizontal_active_pixel_output = mode->hdisplay & 0x00ff;
+
+ active_input_line_output = ((mode->hdisplay & 0x0700) >> 8) |
+ (((mode->vdisplay & 0x0700) >> 8) << 3);
+
+ lvds_power_down = CH7017_LVDS_POWER_DOWN_DEFAULT_RESERVED |
+ (mode->hdisplay & 0x0700) >> 8;
+
+ ch7017_dpms(dvo, DRM_MODE_DPMS_OFF);
+ ch7017_write(dvo, CH7017_HORIZONTAL_ACTIVE_PIXEL_INPUT,
+ horizontal_active_pixel_input);
+ ch7017_write(dvo, CH7017_HORIZONTAL_ACTIVE_PIXEL_OUTPUT,
+ horizontal_active_pixel_output);
+ ch7017_write(dvo, CH7017_VERTICAL_ACTIVE_LINE_OUTPUT,
+ vertical_active_line_output);
+ ch7017_write(dvo, CH7017_ACTIVE_INPUT_LINE_OUTPUT,
+ active_input_line_output);
+ ch7017_write(dvo, CH7017_LVDS_PLL_VCO_CONTROL, lvds_pll_vco_control);
+ ch7017_write(dvo, CH7017_LVDS_PLL_FEEDBACK_DIV, lvds_pll_feedback_div);
+ ch7017_write(dvo, CH7017_LVDS_CONTROL_2, lvds_control_2);
+ ch7017_write(dvo, CH7017_OUTPUTS_ENABLE, outputs_enable);
+
+ /* Turn the LVDS back on with new settings. */
+ ch7017_write(dvo, CH7017_LVDS_POWER_DOWN, lvds_power_down);
+
+ DRM_DEBUG("Registers after mode setting\n");
+ ch7017_dump_regs(dvo);
+}
+
+/* set the CH7017 power state */
+static void ch7017_dpms(struct intel_dvo_device *dvo, int mode)
+{
+ uint8_t val;
+
+ ch7017_read(dvo, CH7017_LVDS_POWER_DOWN, &val);
+
+ /* Turn off TV/VGA, and never turn it on since we don't support it. */
+ ch7017_write(dvo, CH7017_POWER_MANAGEMENT,
+ CH7017_DAC0_POWER_DOWN |
+ CH7017_DAC1_POWER_DOWN |
+ CH7017_DAC2_POWER_DOWN |
+ CH7017_DAC3_POWER_DOWN |
+ CH7017_TV_POWER_DOWN_EN);
+
+ if (mode == DRM_MODE_DPMS_ON) {
+ /* Turn on the LVDS */
+ ch7017_write(dvo, CH7017_LVDS_POWER_DOWN,
+ val & ~CH7017_LVDS_POWER_DOWN_EN);
+ } else {
+ /* Turn off the LVDS */
+ ch7017_write(dvo, CH7017_LVDS_POWER_DOWN,
+ val | CH7017_LVDS_POWER_DOWN_EN);
+ }
+
+ /* XXX: Should actually wait for update power status somehow */
+ udelay(20000);
+}
+
+static void ch7017_dump_regs(struct intel_dvo_device *dvo)
+{
+ uint8_t val;
+
+#define DUMP(reg) \
+do { \
+ ch7017_read(dvo, reg, &val); \
+ DRM_DEBUG(#reg ": %02x\n", val); \
+} while (0)
+
+ DUMP(CH7017_HORIZONTAL_ACTIVE_PIXEL_INPUT);
+ DUMP(CH7017_HORIZONTAL_ACTIVE_PIXEL_OUTPUT);
+ DUMP(CH7017_VERTICAL_ACTIVE_LINE_OUTPUT);
+ DUMP(CH7017_ACTIVE_INPUT_LINE_OUTPUT);
+ DUMP(CH7017_LVDS_PLL_VCO_CONTROL);
+ DUMP(CH7017_LVDS_PLL_FEEDBACK_DIV);
+ DUMP(CH7017_LVDS_CONTROL_2);
+ DUMP(CH7017_OUTPUTS_ENABLE);
+ DUMP(CH7017_LVDS_POWER_DOWN);
+}
+
+static void ch7017_save(struct intel_dvo_device *dvo)
+{
+ struct ch7017_priv *priv = dvo->dev_priv;
+
+ ch7017_read(dvo, CH7017_HORIZONTAL_ACTIVE_PIXEL_INPUT, &priv->save_hapi);
+ ch7017_read(dvo, CH7017_VERTICAL_ACTIVE_LINE_OUTPUT, &priv->save_valo);
+ ch7017_read(dvo, CH7017_ACTIVE_INPUT_LINE_OUTPUT, &priv->save_ailo);
+ ch7017_read(dvo, CH7017_LVDS_PLL_VCO_CONTROL, &priv->save_lvds_pll_vco);
+ ch7017_read(dvo, CH7017_LVDS_PLL_FEEDBACK_DIV, &priv->save_feedback_div);
+ ch7017_read(dvo, CH7017_LVDS_CONTROL_2, &priv->save_lvds_control_2);
+ ch7017_read(dvo, CH7017_OUTPUTS_ENABLE, &priv->save_outputs_enable);
+ ch7017_read(dvo, CH7017_LVDS_POWER_DOWN, &priv->save_lvds_power_down);
+ ch7017_read(dvo, CH7017_POWER_MANAGEMENT, &priv->save_power_management);
+}
+
+static void ch7017_restore(struct intel_dvo_device *dvo)
+{
+ struct ch7017_priv *priv = dvo->dev_priv;
+
+ /* Power down before changing mode */
+ ch7017_dpms(dvo, DRM_MODE_DPMS_OFF);
+
+ ch7017_write(dvo, CH7017_HORIZONTAL_ACTIVE_PIXEL_INPUT, priv->save_hapi);
+ ch7017_write(dvo, CH7017_VERTICAL_ACTIVE_LINE_OUTPUT, priv->save_valo);
+ ch7017_write(dvo, CH7017_ACTIVE_INPUT_LINE_OUTPUT, priv->save_ailo);
+ ch7017_write(dvo, CH7017_LVDS_PLL_VCO_CONTROL, priv->save_lvds_pll_vco);
+ ch7017_write(dvo, CH7017_LVDS_PLL_FEEDBACK_DIV, priv->save_feedback_div);
+ ch7017_write(dvo, CH7017_LVDS_CONTROL_2, priv->save_lvds_control_2);
+ ch7017_write(dvo, CH7017_OUTPUTS_ENABLE, priv->save_outputs_enable);
+ ch7017_write(dvo, CH7017_LVDS_POWER_DOWN, priv->save_lvds_power_down);
+ ch7017_write(dvo, CH7017_POWER_MANAGEMENT, priv->save_power_management);
+}
+
+static void ch7017_destroy(struct intel_dvo_device *dvo)
+{
+ struct ch7017_priv *priv = dvo->dev_priv;
+
+ if (priv) {
+ kfree(priv);
+ dvo->dev_priv = NULL;
+ }
+}
+
+struct intel_dvo_dev_ops ch7017_ops = {
+ .init = ch7017_init,
+ .detect = ch7017_detect,
+ .mode_valid = ch7017_mode_valid,
+ .mode_set = ch7017_mode_set,
+ .dpms = ch7017_dpms,
+ .dump_regs = ch7017_dump_regs,
+ .save = ch7017_save,
+ .restore = ch7017_restore,
+ .destroy = ch7017_destroy,
+};
diff --git a/drivers/gpu/drm/i915/dvo_ch7xxx.c b/drivers/gpu/drm/i915/dvo_ch7xxx.c
new file mode 100644
index 00000000000..d2fd95dbd03
--- /dev/null
+++ b/drivers/gpu/drm/i915/dvo_ch7xxx.c
@@ -0,0 +1,368 @@
+/**************************************************************************
+
+Copyright © 2006 Dave Airlie
+
+All Rights Reserved.
+
+Permission is hereby granted, free of charge, to any person obtaining a
+copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sub license, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice (including the
+next paragraph) shall be included in all copies or substantial portions
+of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+**************************************************************************/
+
+#include "dvo.h"
+
+#define CH7xxx_REG_VID 0x4a
+#define CH7xxx_REG_DID 0x4b
+
+#define CH7011_VID 0x83 /* 7010 as well */
+#define CH7009A_VID 0x84
+#define CH7009B_VID 0x85
+#define CH7301_VID 0x95
+
+#define CH7xxx_VID 0x84
+#define CH7xxx_DID 0x17
+
+#define CH7xxx_NUM_REGS 0x4c
+
+#define CH7xxx_CM 0x1c
+#define CH7xxx_CM_XCM (1<<0)
+#define CH7xxx_CM_MCP (1<<2)
+#define CH7xxx_INPUT_CLOCK 0x1d
+#define CH7xxx_GPIO 0x1e
+#define CH7xxx_GPIO_HPIR (1<<3)
+#define CH7xxx_IDF 0x1f
+
+#define CH7xxx_IDF_HSP (1<<3)
+#define CH7xxx_IDF_VSP (1<<4)
+
+#define CH7xxx_CONNECTION_DETECT 0x20
+#define CH7xxx_CDET_DVI (1<<5)
+
+#define CH7301_DAC_CNTL 0x21
+#define CH7301_HOTPLUG 0x23
+#define CH7xxx_TCTL 0x31
+#define CH7xxx_TVCO 0x32
+#define CH7xxx_TPCP 0x33
+#define CH7xxx_TPD 0x34
+#define CH7xxx_TPVT 0x35
+#define CH7xxx_TLPF 0x36
+#define CH7xxx_TCT 0x37
+#define CH7301_TEST_PATTERN 0x48
+
+#define CH7xxx_PM 0x49
+#define CH7xxx_PM_FPD (1<<0)
+#define CH7301_PM_DACPD0 (1<<1)
+#define CH7301_PM_DACPD1 (1<<2)
+#define CH7301_PM_DACPD2 (1<<3)
+#define CH7xxx_PM_DVIL (1<<6)
+#define CH7xxx_PM_DVIP (1<<7)
+
+#define CH7301_SYNC_POLARITY 0x56
+#define CH7301_SYNC_RGB_YUV (1<<0)
+#define CH7301_SYNC_POL_DVI (1<<5)
+
+/** @file
+ * driver for the Chrontel 7xxx DVI chip over DVO.
+ */
+
+static struct ch7xxx_id_struct {
+ uint8_t vid;
+ char *name;
+} ch7xxx_ids[] = {
+ { CH7011_VID, "CH7011" },
+ { CH7009A_VID, "CH7009A" },
+ { CH7009B_VID, "CH7009B" },
+ { CH7301_VID, "CH7301" },
+};
+
+struct ch7xxx_reg_state {
+ uint8_t regs[CH7xxx_NUM_REGS];
+};
+
+struct ch7xxx_priv {
+ bool quiet;
+
+ struct ch7xxx_reg_state save_reg;
+ struct ch7xxx_reg_state mode_reg;
+ uint8_t save_TCTL, save_TPCP, save_TPD, save_TPVT;
+ uint8_t save_TLPF, save_TCT, save_PM, save_IDF;
+};
+
+static void ch7xxx_save(struct intel_dvo_device *dvo);
+
+static char *ch7xxx_get_id(uint8_t vid)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(ch7xxx_ids); i++) {
+ if (ch7xxx_ids[i].vid == vid)
+ return ch7xxx_ids[i].name;
+ }
+
+ return NULL;
+}
+
+/** Reads an 8 bit register */
+static bool ch7xxx_readb(struct intel_dvo_device *dvo, int addr, uint8_t *ch)
+{
+ struct ch7xxx_priv *ch7xxx= dvo->dev_priv;
+ struct intel_i2c_chan *i2cbus = dvo->i2c_bus;
+ u8 out_buf[2];
+ u8 in_buf[2];
+
+ struct i2c_msg msgs[] = {
+ {
+ .addr = i2cbus->slave_addr,
+ .flags = 0,
+ .len = 1,
+ .buf = out_buf,
+ },
+ {
+ .addr = i2cbus->slave_addr,
+ .flags = I2C_M_RD,
+ .len = 1,
+ .buf = in_buf,
+ }
+ };
+
+ out_buf[0] = addr;
+ out_buf[1] = 0;
+
+ if (i2c_transfer(&i2cbus->adapter, msgs, 2) == 2) {
+ *ch = in_buf[0];
+ return true;
+ };
+
+ if (!ch7xxx->quiet) {
+ DRM_DEBUG("Unable to read register 0x%02x from %s:%02x.\n",
+ addr, i2cbus->adapter.name, i2cbus->slave_addr);
+ }
+ return false;
+}
+
+/** Writes an 8 bit register */
+static bool ch7xxx_writeb(struct intel_dvo_device *dvo, int addr, uint8_t ch)
+{
+ struct ch7xxx_priv *ch7xxx = dvo->dev_priv;
+ struct intel_i2c_chan *i2cbus = dvo->i2c_bus;
+ uint8_t out_buf[2];
+ struct i2c_msg msg = {
+ .addr = i2cbus->slave_addr,
+ .flags = 0,
+ .len = 2,
+ .buf = out_buf,
+ };
+
+ out_buf[0] = addr;
+ out_buf[1] = ch;
+
+ if (i2c_transfer(&i2cbus->adapter, &msg, 1) == 1)
+ return true;
+
+ if (!ch7xxx->quiet) {
+ DRM_DEBUG("Unable to write register 0x%02x to %s:%d.\n",
+ addr, i2cbus->adapter.name, i2cbus->slave_addr);
+ }
+
+ return false;
+}
+
+static bool ch7xxx_init(struct intel_dvo_device *dvo,
+ struct intel_i2c_chan *i2cbus)
+{
+ /* this will detect the CH7xxx chip on the specified i2c bus */
+ struct ch7xxx_priv *ch7xxx;
+ uint8_t vendor, device;
+ char *name;
+
+ ch7xxx = kzalloc(sizeof(struct ch7xxx_priv), GFP_KERNEL);
+ if (ch7xxx == NULL)
+ return false;
+
+ dvo->i2c_bus = i2cbus;
+ dvo->i2c_bus->slave_addr = dvo->slave_addr;
+ dvo->dev_priv = ch7xxx;
+ ch7xxx->quiet = true;
+
+ if (!ch7xxx_readb(dvo, CH7xxx_REG_VID, &vendor))
+ goto out;
+
+ name = ch7xxx_get_id(vendor);
+ if (!name) {
+ DRM_DEBUG("ch7xxx not detected; got 0x%02x from %s slave %d.\n",
+ vendor, i2cbus->adapter.name, i2cbus->slave_addr);
+ goto out;
+ }
+
+
+ if (!ch7xxx_readb(dvo, CH7xxx_REG_DID, &device))
+ goto out;
+
+ if (device != CH7xxx_DID) {
+ DRM_DEBUG("ch7xxx not detected; got 0x%02x from %s slave %d.\n",
+ vendor, i2cbus->adapter.name, i2cbus->slave_addr);
+ goto out;
+ }
+
+ ch7xxx->quiet = false;
+ DRM_DEBUG("Detected %s chipset, vendor/device ID 0x%02x/0x%02x\n",
+ name, vendor, device);
+ return true;
+out:
+ kfree(ch7xxx);
+ return false;
+}
+
+static enum drm_connector_status ch7xxx_detect(struct intel_dvo_device *dvo)
+{
+ uint8_t cdet, orig_pm, pm;
+
+ ch7xxx_readb(dvo, CH7xxx_PM, &orig_pm);
+
+ pm = orig_pm;
+ pm &= ~CH7xxx_PM_FPD;
+ pm |= CH7xxx_PM_DVIL | CH7xxx_PM_DVIP;
+
+ ch7xxx_writeb(dvo, CH7xxx_PM, pm);
+
+ ch7xxx_readb(dvo, CH7xxx_CONNECTION_DETECT, &cdet);
+
+ ch7xxx_writeb(dvo, CH7xxx_PM, orig_pm);
+
+ if (cdet & CH7xxx_CDET_DVI)
+ return connector_status_connected;
+ return connector_status_disconnected;
+}
+
+static enum drm_mode_status ch7xxx_mode_valid(struct intel_dvo_device *dvo,
+ struct drm_display_mode *mode)
+{
+ if (mode->clock > 165000)
+ return MODE_CLOCK_HIGH;
+
+ return MODE_OK;
+}
+
+static void ch7xxx_mode_set(struct intel_dvo_device *dvo,
+ struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode)
+{
+ uint8_t tvco, tpcp, tpd, tlpf, idf;
+
+ if (mode->clock <= 65000) {
+ tvco = 0x23;
+ tpcp = 0x08;
+ tpd = 0x16;
+ tlpf = 0x60;
+ } else {
+ tvco = 0x2d;
+ tpcp = 0x06;
+ tpd = 0x26;
+ tlpf = 0xa0;
+ }
+
+ ch7xxx_writeb(dvo, CH7xxx_TCTL, 0x00);
+ ch7xxx_writeb(dvo, CH7xxx_TVCO, tvco);
+ ch7xxx_writeb(dvo, CH7xxx_TPCP, tpcp);
+ ch7xxx_writeb(dvo, CH7xxx_TPD, tpd);
+ ch7xxx_writeb(dvo, CH7xxx_TPVT, 0x30);
+ ch7xxx_writeb(dvo, CH7xxx_TLPF, tlpf);
+ ch7xxx_writeb(dvo, CH7xxx_TCT, 0x00);
+
+ ch7xxx_readb(dvo, CH7xxx_IDF, &idf);
+
+ idf &= ~(CH7xxx_IDF_HSP | CH7xxx_IDF_VSP);
+ if (mode->flags & DRM_MODE_FLAG_PHSYNC)
+ idf |= CH7xxx_IDF_HSP;
+
+ if (mode->flags & DRM_MODE_FLAG_PVSYNC)
+ idf |= CH7xxx_IDF_HSP;
+
+ ch7xxx_writeb(dvo, CH7xxx_IDF, idf);
+}
+
+/* set the CH7xxx power state */
+static void ch7xxx_dpms(struct intel_dvo_device *dvo, int mode)
+{
+ if (mode == DRM_MODE_DPMS_ON)
+ ch7xxx_writeb(dvo, CH7xxx_PM, CH7xxx_PM_DVIL | CH7xxx_PM_DVIP);
+ else
+ ch7xxx_writeb(dvo, CH7xxx_PM, CH7xxx_PM_FPD);
+}
+
+static void ch7xxx_dump_regs(struct intel_dvo_device *dvo)
+{
+ struct ch7xxx_priv *ch7xxx = dvo->dev_priv;
+ int i;
+
+ for (i = 0; i < CH7xxx_NUM_REGS; i++) {
+ if ((i % 8) == 0 )
+ DRM_DEBUG("\n %02X: ", i);
+ DRM_DEBUG("%02X ", ch7xxx->mode_reg.regs[i]);
+ }
+}
+
+static void ch7xxx_save(struct intel_dvo_device *dvo)
+{
+ struct ch7xxx_priv *ch7xxx= dvo->dev_priv;
+
+ ch7xxx_readb(dvo, CH7xxx_TCTL, &ch7xxx->save_TCTL);
+ ch7xxx_readb(dvo, CH7xxx_TPCP, &ch7xxx->save_TPCP);
+ ch7xxx_readb(dvo, CH7xxx_TPD, &ch7xxx->save_TPD);
+ ch7xxx_readb(dvo, CH7xxx_TPVT, &ch7xxx->save_TPVT);
+ ch7xxx_readb(dvo, CH7xxx_TLPF, &ch7xxx->save_TLPF);
+ ch7xxx_readb(dvo, CH7xxx_PM, &ch7xxx->save_PM);
+ ch7xxx_readb(dvo, CH7xxx_IDF, &ch7xxx->save_IDF);
+}
+
+static void ch7xxx_restore(struct intel_dvo_device *dvo)
+{
+ struct ch7xxx_priv *ch7xxx = dvo->dev_priv;
+
+ ch7xxx_writeb(dvo, CH7xxx_TCTL, ch7xxx->save_TCTL);
+ ch7xxx_writeb(dvo, CH7xxx_TPCP, ch7xxx->save_TPCP);
+ ch7xxx_writeb(dvo, CH7xxx_TPD, ch7xxx->save_TPD);
+ ch7xxx_writeb(dvo, CH7xxx_TPVT, ch7xxx->save_TPVT);
+ ch7xxx_writeb(dvo, CH7xxx_TLPF, ch7xxx->save_TLPF);
+ ch7xxx_writeb(dvo, CH7xxx_IDF, ch7xxx->save_IDF);
+ ch7xxx_writeb(dvo, CH7xxx_PM, ch7xxx->save_PM);
+}
+
+static void ch7xxx_destroy(struct intel_dvo_device *dvo)
+{
+ struct ch7xxx_priv *ch7xxx = dvo->dev_priv;
+
+ if (ch7xxx) {
+ kfree(ch7xxx);
+ dvo->dev_priv = NULL;
+ }
+}
+
+struct intel_dvo_dev_ops ch7xxx_ops = {
+ .init = ch7xxx_init,
+ .detect = ch7xxx_detect,
+ .mode_valid = ch7xxx_mode_valid,
+ .mode_set = ch7xxx_mode_set,
+ .dpms = ch7xxx_dpms,
+ .dump_regs = ch7xxx_dump_regs,
+ .save = ch7xxx_save,
+ .restore = ch7xxx_restore,
+ .destroy = ch7xxx_destroy,
+};
diff --git a/drivers/gpu/drm/i915/dvo_ivch.c b/drivers/gpu/drm/i915/dvo_ivch.c
new file mode 100644
index 00000000000..0c8d375e8e3
--- /dev/null
+++ b/drivers/gpu/drm/i915/dvo_ivch.c
@@ -0,0 +1,442 @@
+/*
+ * Copyright © 2006 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ * Eric Anholt <eric@anholt.net>
+ *
+ */
+
+#include "dvo.h"
+
+/*
+ * register definitions for the i82807aa.
+ *
+ * Documentation on this chipset can be found in datasheet #29069001 at
+ * intel.com.
+ */
+
+/*
+ * VCH Revision & GMBus Base Addr
+ */
+#define VR00 0x00
+# define VR00_BASE_ADDRESS_MASK 0x007f
+
+/*
+ * Functionality Enable
+ */
+#define VR01 0x01
+
+/*
+ * Enable the panel fitter
+ */
+# define VR01_PANEL_FIT_ENABLE (1 << 3)
+/*
+ * Enables the LCD display.
+ *
+ * This must not be set while VR01_DVO_BYPASS_ENABLE is set.
+ */
+# define VR01_LCD_ENABLE (1 << 2)
+/** Enables the DVO repeater. */
+# define VR01_DVO_BYPASS_ENABLE (1 << 1)
+/** Enables the DVO clock */
+# define VR01_DVO_ENABLE (1 << 0)
+
+/*
+ * LCD Interface Format
+ */
+#define VR10 0x10
+/** Enables LVDS output instead of CMOS */
+# define VR10_LVDS_ENABLE (1 << 4)
+/** Enables 18-bit LVDS output. */
+# define VR10_INTERFACE_1X18 (0 << 2)
+/** Enables 24-bit LVDS or CMOS output */
+# define VR10_INTERFACE_1X24 (1 << 2)
+/** Enables 2x18-bit LVDS or CMOS output. */
+# define VR10_INTERFACE_2X18 (2 << 2)
+/** Enables 2x24-bit LVDS output */
+# define VR10_INTERFACE_2X24 (3 << 2)
+
+/*
+ * VR20 LCD Horizontal Display Size
+ */
+#define VR20 0x20
+
+/*
+ * LCD Vertical Display Size
+ */
+#define VR21 0x20
+
+/*
+ * Panel power down status
+ */
+#define VR30 0x30
+/** Read only bit indicating that the panel is not in a safe poweroff state. */
+# define VR30_PANEL_ON (1 << 15)
+
+#define VR40 0x40
+# define VR40_STALL_ENABLE (1 << 13)
+# define VR40_VERTICAL_INTERP_ENABLE (1 << 12)
+# define VR40_ENHANCED_PANEL_FITTING (1 << 11)
+# define VR40_HORIZONTAL_INTERP_ENABLE (1 << 10)
+# define VR40_AUTO_RATIO_ENABLE (1 << 9)
+# define VR40_CLOCK_GATING_ENABLE (1 << 8)
+
+/*
+ * Panel Fitting Vertical Ratio
+ * (((image_height - 1) << 16) / ((panel_height - 1))) >> 2
+ */
+#define VR41 0x41
+
+/*
+ * Panel Fitting Horizontal Ratio
+ * (((image_width - 1) << 16) / ((panel_width - 1))) >> 2
+ */
+#define VR42 0x42
+
+/*
+ * Horizontal Image Size
+ */
+#define VR43 0x43
+
+/* VR80 GPIO 0
+ */
+#define VR80 0x80
+#define VR81 0x81
+#define VR82 0x82
+#define VR83 0x83
+#define VR84 0x84
+#define VR85 0x85
+#define VR86 0x86
+#define VR87 0x87
+
+/* VR88 GPIO 8
+ */
+#define VR88 0x88
+
+/* Graphics BIOS scratch 0
+ */
+#define VR8E 0x8E
+# define VR8E_PANEL_TYPE_MASK (0xf << 0)
+# define VR8E_PANEL_INTERFACE_CMOS (0 << 4)
+# define VR8E_PANEL_INTERFACE_LVDS (1 << 4)
+# define VR8E_FORCE_DEFAULT_PANEL (1 << 5)
+
+/* Graphics BIOS scratch 1
+ */
+#define VR8F 0x8F
+# define VR8F_VCH_PRESENT (1 << 0)
+# define VR8F_DISPLAY_CONN (1 << 1)
+# define VR8F_POWER_MASK (0x3c)
+# define VR8F_POWER_POS (2)
+
+
+struct ivch_priv {
+ bool quiet;
+
+ uint16_t width, height;
+
+ uint16_t save_VR01;
+ uint16_t save_VR40;
+};
+
+
+static void ivch_dump_regs(struct intel_dvo_device *dvo);
+
+/**
+ * Reads a register on the ivch.
+ *
+ * Each of the 256 registers are 16 bits long.
+ */
+static bool ivch_read(struct intel_dvo_device *dvo, int addr, uint16_t *data)
+{
+ struct ivch_priv *priv = dvo->dev_priv;
+ struct intel_i2c_chan *i2cbus = dvo->i2c_bus;
+ u8 out_buf[1];
+ u8 in_buf[2];
+
+ struct i2c_msg msgs[] = {
+ {
+ .addr = i2cbus->slave_addr,
+ .flags = I2C_M_RD,
+ .len = 0,
+ },
+ {
+ .addr = 0,
+ .flags = I2C_M_NOSTART,
+ .len = 1,
+ .buf = out_buf,
+ },
+ {
+ .addr = i2cbus->slave_addr,
+ .flags = I2C_M_RD | I2C_M_NOSTART,
+ .len = 2,
+ .buf = in_buf,
+ }
+ };
+
+ out_buf[0] = addr;
+
+ if (i2c_transfer(&i2cbus->adapter, msgs, 3) == 3) {
+ *data = (in_buf[1] << 8) | in_buf[0];
+ return true;
+ };
+
+ if (!priv->quiet) {
+ DRM_DEBUG("Unable to read register 0x%02x from %s:%02x.\n",
+ addr, i2cbus->adapter.name, i2cbus->slave_addr);
+ }
+ return false;
+}
+
+/** Writes a 16-bit register on the ivch */
+static bool ivch_write(struct intel_dvo_device *dvo, int addr, uint16_t data)
+{
+ struct ivch_priv *priv = dvo->dev_priv;
+ struct intel_i2c_chan *i2cbus = dvo->i2c_bus;
+ u8 out_buf[3];
+ struct i2c_msg msg = {
+ .addr = i2cbus->slave_addr,
+ .flags = 0,
+ .len = 3,
+ .buf = out_buf,
+ };
+
+ out_buf[0] = addr;
+ out_buf[1] = data & 0xff;
+ out_buf[2] = data >> 8;
+
+ if (i2c_transfer(&i2cbus->adapter, &msg, 1) == 1)
+ return true;
+
+ if (!priv->quiet) {
+ DRM_DEBUG("Unable to write register 0x%02x to %s:%d.\n",
+ addr, i2cbus->adapter.name, i2cbus->slave_addr);
+ }
+
+ return false;
+}
+
+/** Probes the given bus and slave address for an ivch */
+static bool ivch_init(struct intel_dvo_device *dvo,
+ struct intel_i2c_chan *i2cbus)
+{
+ struct ivch_priv *priv;
+ uint16_t temp;
+
+ priv = kzalloc(sizeof(struct ivch_priv), GFP_KERNEL);
+ if (priv == NULL)
+ return false;
+
+ dvo->i2c_bus = i2cbus;
+ dvo->i2c_bus->slave_addr = dvo->slave_addr;
+ dvo->dev_priv = priv;
+ priv->quiet = true;
+
+ if (!ivch_read(dvo, VR00, &temp))
+ goto out;
+ priv->quiet = false;
+
+ /* Since the identification bits are probably zeroes, which doesn't seem
+ * very unique, check that the value in the base address field matches
+ * the address it's responding on.
+ */
+ if ((temp & VR00_BASE_ADDRESS_MASK) != dvo->slave_addr) {
+ DRM_DEBUG("ivch detect failed due to address mismatch "
+ "(%d vs %d)\n",
+ (temp & VR00_BASE_ADDRESS_MASK), dvo->slave_addr);
+ goto out;
+ }
+
+ ivch_read(dvo, VR20, &priv->width);
+ ivch_read(dvo, VR21, &priv->height);
+
+ return true;
+
+out:
+ kfree(priv);
+ return false;
+}
+
+static enum drm_connector_status ivch_detect(struct intel_dvo_device *dvo)
+{
+ return connector_status_connected;
+}
+
+static enum drm_mode_status ivch_mode_valid(struct intel_dvo_device *dvo,
+ struct drm_display_mode *mode)
+{
+ if (mode->clock > 112000)
+ return MODE_CLOCK_HIGH;
+
+ return MODE_OK;
+}
+
+/** Sets the power state of the panel connected to the ivch */
+static void ivch_dpms(struct intel_dvo_device *dvo, int mode)
+{
+ int i;
+ uint16_t vr01, vr30, backlight;
+
+ /* Set the new power state of the panel. */
+ if (!ivch_read(dvo, VR01, &vr01))
+ return;
+
+ if (mode == DRM_MODE_DPMS_ON)
+ backlight = 1;
+ else
+ backlight = 0;
+ ivch_write(dvo, VR80, backlight);
+
+ if (mode == DRM_MODE_DPMS_ON)
+ vr01 |= VR01_LCD_ENABLE | VR01_DVO_ENABLE;
+ else
+ vr01 &= ~(VR01_LCD_ENABLE | VR01_DVO_ENABLE);
+
+ ivch_write(dvo, VR01, vr01);
+
+ /* Wait for the panel to make its state transition */
+ for (i = 0; i < 100; i++) {
+ if (!ivch_read(dvo, VR30, &vr30))
+ break;
+
+ if (((vr30 & VR30_PANEL_ON) != 0) == (mode == DRM_MODE_DPMS_ON))
+ break;
+ udelay(1000);
+ }
+ /* wait some more; vch may fail to resync sometimes without this */
+ udelay(16 * 1000);
+}
+
+static void ivch_mode_set(struct intel_dvo_device *dvo,
+ struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode)
+{
+ uint16_t vr40 = 0;
+ uint16_t vr01;
+
+ vr01 = 0;
+ vr40 = (VR40_STALL_ENABLE | VR40_VERTICAL_INTERP_ENABLE |
+ VR40_HORIZONTAL_INTERP_ENABLE);
+
+ if (mode->hdisplay != adjusted_mode->hdisplay ||
+ mode->vdisplay != adjusted_mode->vdisplay) {
+ uint16_t x_ratio, y_ratio;
+
+ vr01 |= VR01_PANEL_FIT_ENABLE;
+ vr40 |= VR40_CLOCK_GATING_ENABLE;
+ x_ratio = (((mode->hdisplay - 1) << 16) /
+ (adjusted_mode->hdisplay - 1)) >> 2;
+ y_ratio = (((mode->vdisplay - 1) << 16) /
+ (adjusted_mode->vdisplay - 1)) >> 2;
+ ivch_write (dvo, VR42, x_ratio);
+ ivch_write (dvo, VR41, y_ratio);
+ } else {
+ vr01 &= ~VR01_PANEL_FIT_ENABLE;
+ vr40 &= ~VR40_CLOCK_GATING_ENABLE;
+ }
+ vr40 &= ~VR40_AUTO_RATIO_ENABLE;
+
+ ivch_write(dvo, VR01, vr01);
+ ivch_write(dvo, VR40, vr40);
+
+ ivch_dump_regs(dvo);
+}
+
+static void ivch_dump_regs(struct intel_dvo_device *dvo)
+{
+ uint16_t val;
+
+ ivch_read(dvo, VR00, &val);
+ DRM_DEBUG("VR00: 0x%04x\n", val);
+ ivch_read(dvo, VR01, &val);
+ DRM_DEBUG("VR01: 0x%04x\n", val);
+ ivch_read(dvo, VR30, &val);
+ DRM_DEBUG("VR30: 0x%04x\n", val);
+ ivch_read(dvo, VR40, &val);
+ DRM_DEBUG("VR40: 0x%04x\n", val);
+
+ /* GPIO registers */
+ ivch_read(dvo, VR80, &val);
+ DRM_DEBUG("VR80: 0x%04x\n", val);
+ ivch_read(dvo, VR81, &val);
+ DRM_DEBUG("VR81: 0x%04x\n", val);
+ ivch_read(dvo, VR82, &val);
+ DRM_DEBUG("VR82: 0x%04x\n", val);
+ ivch_read(dvo, VR83, &val);
+ DRM_DEBUG("VR83: 0x%04x\n", val);
+ ivch_read(dvo, VR84, &val);
+ DRM_DEBUG("VR84: 0x%04x\n", val);
+ ivch_read(dvo, VR85, &val);
+ DRM_DEBUG("VR85: 0x%04x\n", val);
+ ivch_read(dvo, VR86, &val);
+ DRM_DEBUG("VR86: 0x%04x\n", val);
+ ivch_read(dvo, VR87, &val);
+ DRM_DEBUG("VR87: 0x%04x\n", val);
+ ivch_read(dvo, VR88, &val);
+ DRM_DEBUG("VR88: 0x%04x\n", val);
+
+ /* Scratch register 0 - AIM Panel type */
+ ivch_read(dvo, VR8E, &val);
+ DRM_DEBUG("VR8E: 0x%04x\n", val);
+
+ /* Scratch register 1 - Status register */
+ ivch_read(dvo, VR8F, &val);
+ DRM_DEBUG("VR8F: 0x%04x\n", val);
+}
+
+static void ivch_save(struct intel_dvo_device *dvo)
+{
+ struct ivch_priv *priv = dvo->dev_priv;
+
+ ivch_read(dvo, VR01, &priv->save_VR01);
+ ivch_read(dvo, VR40, &priv->save_VR40);
+}
+
+static void ivch_restore(struct intel_dvo_device *dvo)
+{
+ struct ivch_priv *priv = dvo->dev_priv;
+
+ ivch_write(dvo, VR01, priv->save_VR01);
+ ivch_write(dvo, VR40, priv->save_VR40);
+}
+
+static void ivch_destroy(struct intel_dvo_device *dvo)
+{
+ struct ivch_priv *priv = dvo->dev_priv;
+
+ if (priv) {
+ kfree(priv);
+ dvo->dev_priv = NULL;
+ }
+}
+
+struct intel_dvo_dev_ops ivch_ops= {
+ .init = ivch_init,
+ .dpms = ivch_dpms,
+ .save = ivch_save,
+ .restore = ivch_restore,
+ .mode_valid = ivch_mode_valid,
+ .mode_set = ivch_mode_set,
+ .detect = ivch_detect,
+ .dump_regs = ivch_dump_regs,
+ .destroy = ivch_destroy,
+};
diff --git a/drivers/gpu/drm/i915/dvo_sil164.c b/drivers/gpu/drm/i915/dvo_sil164.c
new file mode 100644
index 00000000000..033a4bb070b
--- /dev/null
+++ b/drivers/gpu/drm/i915/dvo_sil164.c
@@ -0,0 +1,302 @@
+/**************************************************************************
+
+Copyright © 2006 Dave Airlie
+
+All Rights Reserved.
+
+Permission is hereby granted, free of charge, to any person obtaining a
+copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sub license, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice (including the
+next paragraph) shall be included in all copies or substantial portions
+of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+**************************************************************************/
+
+#include "dvo.h"
+
+#define SIL164_VID 0x0001
+#define SIL164_DID 0x0006
+
+#define SIL164_VID_LO 0x00
+#define SIL164_VID_HI 0x01
+#define SIL164_DID_LO 0x02
+#define SIL164_DID_HI 0x03
+#define SIL164_REV 0x04
+#define SIL164_RSVD 0x05
+#define SIL164_FREQ_LO 0x06
+#define SIL164_FREQ_HI 0x07
+
+#define SIL164_REG8 0x08
+#define SIL164_8_VEN (1<<5)
+#define SIL164_8_HEN (1<<4)
+#define SIL164_8_DSEL (1<<3)
+#define SIL164_8_BSEL (1<<2)
+#define SIL164_8_EDGE (1<<1)
+#define SIL164_8_PD (1<<0)
+
+#define SIL164_REG9 0x09
+#define SIL164_9_VLOW (1<<7)
+#define SIL164_9_MSEL_MASK (0x7<<4)
+#define SIL164_9_TSEL (1<<3)
+#define SIL164_9_RSEN (1<<2)
+#define SIL164_9_HTPLG (1<<1)
+#define SIL164_9_MDI (1<<0)
+
+#define SIL164_REGC 0x0c
+
+struct sil164_save_rec {
+ uint8_t reg8;
+ uint8_t reg9;
+ uint8_t regc;
+};
+
+struct sil164_priv {
+ //I2CDevRec d;
+ bool quiet;
+ struct sil164_save_rec save_regs;
+ struct sil164_save_rec mode_regs;
+};
+
+#define SILPTR(d) ((SIL164Ptr)(d->DriverPrivate.ptr))
+
+static bool sil164_readb(struct intel_dvo_device *dvo, int addr, uint8_t *ch)
+{
+ struct sil164_priv *sil = dvo->dev_priv;
+ struct intel_i2c_chan *i2cbus = dvo->i2c_bus;
+ u8 out_buf[2];
+ u8 in_buf[2];
+
+ struct i2c_msg msgs[] = {
+ {
+ .addr = i2cbus->slave_addr,
+ .flags = 0,
+ .len = 1,
+ .buf = out_buf,
+ },
+ {
+ .addr = i2cbus->slave_addr,
+ .flags = I2C_M_RD,
+ .len = 1,
+ .buf = in_buf,
+ }
+ };
+
+ out_buf[0] = addr;
+ out_buf[1] = 0;
+
+ if (i2c_transfer(&i2cbus->adapter, msgs, 2) == 2) {
+ *ch = in_buf[0];
+ return true;
+ };
+
+ if (!sil->quiet) {
+ DRM_DEBUG("Unable to read register 0x%02x from %s:%02x.\n",
+ addr, i2cbus->adapter.name, i2cbus->slave_addr);
+ }
+ return false;
+}
+
+static bool sil164_writeb(struct intel_dvo_device *dvo, int addr, uint8_t ch)
+{
+ struct sil164_priv *sil= dvo->dev_priv;
+ struct intel_i2c_chan *i2cbus = dvo->i2c_bus;
+ uint8_t out_buf[2];
+ struct i2c_msg msg = {
+ .addr = i2cbus->slave_addr,
+ .flags = 0,
+ .len = 2,
+ .buf = out_buf,
+ };
+
+ out_buf[0] = addr;
+ out_buf[1] = ch;
+
+ if (i2c_transfer(&i2cbus->adapter, &msg, 1) == 1)
+ return true;
+
+ if (!sil->quiet) {
+ DRM_DEBUG("Unable to write register 0x%02x to %s:%d.\n",
+ addr, i2cbus->adapter.name, i2cbus->slave_addr);
+ }
+
+ return false;
+}
+
+/* Silicon Image 164 driver for chip on i2c bus */
+static bool sil164_init(struct intel_dvo_device *dvo,
+ struct intel_i2c_chan *i2cbus)
+{
+ /* this will detect the SIL164 chip on the specified i2c bus */
+ struct sil164_priv *sil;
+ unsigned char ch;
+
+ sil = kzalloc(sizeof(struct sil164_priv), GFP_KERNEL);
+ if (sil == NULL)
+ return false;
+
+ dvo->i2c_bus = i2cbus;
+ dvo->i2c_bus->slave_addr = dvo->slave_addr;
+ dvo->dev_priv = sil;
+ sil->quiet = true;
+
+ if (!sil164_readb(dvo, SIL164_VID_LO, &ch))
+ goto out;
+
+ if (ch != (SIL164_VID & 0xff)) {
+ DRM_DEBUG("sil164 not detected got %d: from %s Slave %d.\n",
+ ch, i2cbus->adapter.name, i2cbus->slave_addr);
+ goto out;
+ }
+
+ if (!sil164_readb(dvo, SIL164_DID_LO, &ch))
+ goto out;
+
+ if (ch != (SIL164_DID & 0xff)) {
+ DRM_DEBUG("sil164 not detected got %d: from %s Slave %d.\n",
+ ch, i2cbus->adapter.name, i2cbus->slave_addr);
+ goto out;
+ }
+ sil->quiet = false;
+
+ DRM_DEBUG("init sil164 dvo controller successfully!\n");
+ return true;
+
+out:
+ kfree(sil);
+ return false;
+}
+
+static enum drm_connector_status sil164_detect(struct intel_dvo_device *dvo)
+{
+ uint8_t reg9;
+
+ sil164_readb(dvo, SIL164_REG9, &reg9);
+
+ if (reg9 & SIL164_9_HTPLG)
+ return connector_status_connected;
+ else
+ return connector_status_disconnected;
+}
+
+static enum drm_mode_status sil164_mode_valid(struct intel_dvo_device *dvo,
+ struct drm_display_mode *mode)
+{
+ return MODE_OK;
+}
+
+static void sil164_mode_set(struct intel_dvo_device *dvo,
+ struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode)
+{
+ /* As long as the basics are set up, since we don't have clock
+ * dependencies in the mode setup, we can just leave the
+ * registers alone and everything will work fine.
+ */
+ /* recommended programming sequence from doc */
+ /*sil164_writeb(sil, 0x08, 0x30);
+ sil164_writeb(sil, 0x09, 0x00);
+ sil164_writeb(sil, 0x0a, 0x90);
+ sil164_writeb(sil, 0x0c, 0x89);
+ sil164_writeb(sil, 0x08, 0x31);*/
+ /* don't do much */
+ return;
+}
+
+/* set the SIL164 power state */
+static void sil164_dpms(struct intel_dvo_device *dvo, int mode)
+{
+ int ret;
+ unsigned char ch;
+
+ ret = sil164_readb(dvo, SIL164_REG8, &ch);
+ if (ret == false)
+ return;
+
+ if (mode == DRM_MODE_DPMS_ON)
+ ch |= SIL164_8_PD;
+ else
+ ch &= ~SIL164_8_PD;
+
+ sil164_writeb(dvo, SIL164_REG8, ch);
+ return;
+}
+
+static void sil164_dump_regs(struct intel_dvo_device *dvo)
+{
+ uint8_t val;
+
+ sil164_readb(dvo, SIL164_FREQ_LO, &val);
+ DRM_DEBUG("SIL164_FREQ_LO: 0x%02x\n", val);
+ sil164_readb(dvo, SIL164_FREQ_HI, &val);
+ DRM_DEBUG("SIL164_FREQ_HI: 0x%02x\n", val);
+ sil164_readb(dvo, SIL164_REG8, &val);
+ DRM_DEBUG("SIL164_REG8: 0x%02x\n", val);
+ sil164_readb(dvo, SIL164_REG9, &val);
+ DRM_DEBUG("SIL164_REG9: 0x%02x\n", val);
+ sil164_readb(dvo, SIL164_REGC, &val);
+ DRM_DEBUG("SIL164_REGC: 0x%02x\n", val);
+}
+
+static void sil164_save(struct intel_dvo_device *dvo)
+{
+ struct sil164_priv *sil= dvo->dev_priv;
+
+ if (!sil164_readb(dvo, SIL164_REG8, &sil->save_regs.reg8))
+ return;
+
+ if (!sil164_readb(dvo, SIL164_REG9, &sil->save_regs.reg9))
+ return;
+
+ if (!sil164_readb(dvo, SIL164_REGC, &sil->save_regs.regc))
+ return;
+
+ return;
+}
+
+static void sil164_restore(struct intel_dvo_device *dvo)
+{
+ struct sil164_priv *sil = dvo->dev_priv;
+
+ /* Restore it powered down initially */
+ sil164_writeb(dvo, SIL164_REG8, sil->save_regs.reg8 & ~0x1);
+
+ sil164_writeb(dvo, SIL164_REG9, sil->save_regs.reg9);
+ sil164_writeb(dvo, SIL164_REGC, sil->save_regs.regc);
+ sil164_writeb(dvo, SIL164_REG8, sil->save_regs.reg8);
+}
+
+static void sil164_destroy(struct intel_dvo_device *dvo)
+{
+ struct sil164_priv *sil = dvo->dev_priv;
+
+ if (sil) {
+ kfree(sil);
+ dvo->dev_priv = NULL;
+ }
+}
+
+struct intel_dvo_dev_ops sil164_ops = {
+ .init = sil164_init,
+ .detect = sil164_detect,
+ .mode_valid = sil164_mode_valid,
+ .mode_set = sil164_mode_set,
+ .dpms = sil164_dpms,
+ .dump_regs = sil164_dump_regs,
+ .save = sil164_save,
+ .restore = sil164_restore,
+ .destroy = sil164_destroy,
+};
diff --git a/drivers/gpu/drm/i915/dvo_tfp410.c b/drivers/gpu/drm/i915/dvo_tfp410.c
new file mode 100644
index 00000000000..207fda806eb
--- /dev/null
+++ b/drivers/gpu/drm/i915/dvo_tfp410.c
@@ -0,0 +1,335 @@
+/*
+ * Copyright © 2007 Dave Mueller
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ *
+ * Authors:
+ * Dave Mueller <dave.mueller@gmx.ch>
+ *
+ */
+
+#include "dvo.h"
+
+/* register definitions according to the TFP410 data sheet */
+#define TFP410_VID 0x014C
+#define TFP410_DID 0x0410
+
+#define TFP410_VID_LO 0x00
+#define TFP410_VID_HI 0x01
+#define TFP410_DID_LO 0x02
+#define TFP410_DID_HI 0x03
+#define TFP410_REV 0x04
+
+#define TFP410_CTL_1 0x08
+#define TFP410_CTL_1_TDIS (1<<6)
+#define TFP410_CTL_1_VEN (1<<5)
+#define TFP410_CTL_1_HEN (1<<4)
+#define TFP410_CTL_1_DSEL (1<<3)
+#define TFP410_CTL_1_BSEL (1<<2)
+#define TFP410_CTL_1_EDGE (1<<1)
+#define TFP410_CTL_1_PD (1<<0)
+
+#define TFP410_CTL_2 0x09
+#define TFP410_CTL_2_VLOW (1<<7)
+#define TFP410_CTL_2_MSEL_MASK (0x7<<4)
+#define TFP410_CTL_2_MSEL (1<<4)
+#define TFP410_CTL_2_TSEL (1<<3)
+#define TFP410_CTL_2_RSEN (1<<2)
+#define TFP410_CTL_2_HTPLG (1<<1)
+#define TFP410_CTL_2_MDI (1<<0)
+
+#define TFP410_CTL_3 0x0A
+#define TFP410_CTL_3_DK_MASK (0x7<<5)
+#define TFP410_CTL_3_DK (1<<5)
+#define TFP410_CTL_3_DKEN (1<<4)
+#define TFP410_CTL_3_CTL_MASK (0x7<<1)
+#define TFP410_CTL_3_CTL (1<<1)
+
+#define TFP410_USERCFG 0x0B
+
+#define TFP410_DE_DLY 0x32
+
+#define TFP410_DE_CTL 0x33
+#define TFP410_DE_CTL_DEGEN (1<<6)
+#define TFP410_DE_CTL_VSPOL (1<<5)
+#define TFP410_DE_CTL_HSPOL (1<<4)
+#define TFP410_DE_CTL_DEDLY8 (1<<0)
+
+#define TFP410_DE_TOP 0x34
+
+#define TFP410_DE_CNT_LO 0x36
+#define TFP410_DE_CNT_HI 0x37
+
+#define TFP410_DE_LIN_LO 0x38
+#define TFP410_DE_LIN_HI 0x39
+
+#define TFP410_H_RES_LO 0x3A
+#define TFP410_H_RES_HI 0x3B
+
+#define TFP410_V_RES_LO 0x3C
+#define TFP410_V_RES_HI 0x3D
+
+struct tfp410_save_rec {
+ uint8_t ctl1;
+ uint8_t ctl2;
+};
+
+struct tfp410_priv {
+ bool quiet;
+
+ struct tfp410_save_rec saved_reg;
+ struct tfp410_save_rec mode_reg;
+};
+
+static bool tfp410_readb(struct intel_dvo_device *dvo, int addr, uint8_t *ch)
+{
+ struct tfp410_priv *tfp = dvo->dev_priv;
+ struct intel_i2c_chan *i2cbus = dvo->i2c_bus;
+ u8 out_buf[2];
+ u8 in_buf[2];
+
+ struct i2c_msg msgs[] = {
+ {
+ .addr = i2cbus->slave_addr,
+ .flags = 0,
+ .len = 1,
+ .buf = out_buf,
+ },
+ {
+ .addr = i2cbus->slave_addr,
+ .flags = I2C_M_RD,
+ .len = 1,
+ .buf = in_buf,
+ }
+ };
+
+ out_buf[0] = addr;
+ out_buf[1] = 0;
+
+ if (i2c_transfer(&i2cbus->adapter, msgs, 2) == 2) {
+ *ch = in_buf[0];
+ return true;
+ };
+
+ if (!tfp->quiet) {
+ DRM_DEBUG("Unable to read register 0x%02x from %s:%02x.\n",
+ addr, i2cbus->adapter.name, i2cbus->slave_addr);
+ }
+ return false;
+}
+
+static bool tfp410_writeb(struct intel_dvo_device *dvo, int addr, uint8_t ch)
+{
+ struct tfp410_priv *tfp = dvo->dev_priv;
+ struct intel_i2c_chan *i2cbus = dvo->i2c_bus;
+ uint8_t out_buf[2];
+ struct i2c_msg msg = {
+ .addr = i2cbus->slave_addr,
+ .flags = 0,
+ .len = 2,
+ .buf = out_buf,
+ };
+
+ out_buf[0] = addr;
+ out_buf[1] = ch;
+
+ if (i2c_transfer(&i2cbus->adapter, &msg, 1) == 1)
+ return true;
+
+ if (!tfp->quiet) {
+ DRM_DEBUG("Unable to write register 0x%02x to %s:%d.\n",
+ addr, i2cbus->adapter.name, i2cbus->slave_addr);
+ }
+
+ return false;
+}
+
+static int tfp410_getid(struct intel_dvo_device *dvo, int addr)
+{
+ uint8_t ch1, ch2;
+
+ if (tfp410_readb(dvo, addr+0, &ch1) &&
+ tfp410_readb(dvo, addr+1, &ch2))
+ return ((ch2 << 8) & 0xFF00) | (ch1 & 0x00FF);
+
+ return -1;
+}
+
+/* Ti TFP410 driver for chip on i2c bus */
+static bool tfp410_init(struct intel_dvo_device *dvo,
+ struct intel_i2c_chan *i2cbus)
+{
+ /* this will detect the tfp410 chip on the specified i2c bus */
+ struct tfp410_priv *tfp;
+ int id;
+
+ tfp = kzalloc(sizeof(struct tfp410_priv), GFP_KERNEL);
+ if (tfp == NULL)
+ return false;
+
+ dvo->i2c_bus = i2cbus;
+ dvo->i2c_bus->slave_addr = dvo->slave_addr;
+ dvo->dev_priv = tfp;
+ tfp->quiet = true;
+
+ if ((id = tfp410_getid(dvo, TFP410_VID_LO)) != TFP410_VID) {
+ DRM_DEBUG("tfp410 not detected got VID %X: from %s Slave %d.\n",
+ id, i2cbus->adapter.name, i2cbus->slave_addr);
+ goto out;
+ }
+
+ if ((id = tfp410_getid(dvo, TFP410_DID_LO)) != TFP410_DID) {
+ DRM_DEBUG("tfp410 not detected got DID %X: from %s Slave %d.\n",
+ id, i2cbus->adapter.name, i2cbus->slave_addr);
+ goto out;
+ }
+ tfp->quiet = false;
+ return true;
+out:
+ kfree(tfp);
+ return false;
+}
+
+static enum drm_connector_status tfp410_detect(struct intel_dvo_device *dvo)
+{
+ enum drm_connector_status ret = connector_status_disconnected;
+ uint8_t ctl2;
+
+ if (tfp410_readb(dvo, TFP410_CTL_2, &ctl2)) {
+ if (ctl2 & TFP410_CTL_2_HTPLG)
+ ret = connector_status_connected;
+ else
+ ret = connector_status_disconnected;
+ }
+
+ return ret;
+}
+
+static enum drm_mode_status tfp410_mode_valid(struct intel_dvo_device *dvo,
+ struct drm_display_mode *mode)
+{
+ return MODE_OK;
+}
+
+static void tfp410_mode_set(struct intel_dvo_device *dvo,
+ struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode)
+{
+ /* As long as the basics are set up, since we don't have clock dependencies
+ * in the mode setup, we can just leave the registers alone and everything
+ * will work fine.
+ */
+ /* don't do much */
+ return;
+}
+
+/* set the tfp410 power state */
+static void tfp410_dpms(struct intel_dvo_device *dvo, int mode)
+{
+ uint8_t ctl1;
+
+ if (!tfp410_readb(dvo, TFP410_CTL_1, &ctl1))
+ return;
+
+ if (mode == DRM_MODE_DPMS_ON)
+ ctl1 |= TFP410_CTL_1_PD;
+ else
+ ctl1 &= ~TFP410_CTL_1_PD;
+
+ tfp410_writeb(dvo, TFP410_CTL_1, ctl1);
+}
+
+static void tfp410_dump_regs(struct intel_dvo_device *dvo)
+{
+ uint8_t val, val2;
+
+ tfp410_readb(dvo, TFP410_REV, &val);
+ DRM_DEBUG("TFP410_REV: 0x%02X\n", val);
+ tfp410_readb(dvo, TFP410_CTL_1, &val);
+ DRM_DEBUG("TFP410_CTL1: 0x%02X\n", val);
+ tfp410_readb(dvo, TFP410_CTL_2, &val);
+ DRM_DEBUG("TFP410_CTL2: 0x%02X\n", val);
+ tfp410_readb(dvo, TFP410_CTL_3, &val);
+ DRM_DEBUG("TFP410_CTL3: 0x%02X\n", val);
+ tfp410_readb(dvo, TFP410_USERCFG, &val);
+ DRM_DEBUG("TFP410_USERCFG: 0x%02X\n", val);
+ tfp410_readb(dvo, TFP410_DE_DLY, &val);
+ DRM_DEBUG("TFP410_DE_DLY: 0x%02X\n", val);
+ tfp410_readb(dvo, TFP410_DE_CTL, &val);
+ DRM_DEBUG("TFP410_DE_CTL: 0x%02X\n", val);
+ tfp410_readb(dvo, TFP410_DE_TOP, &val);
+ DRM_DEBUG("TFP410_DE_TOP: 0x%02X\n", val);
+ tfp410_readb(dvo, TFP410_DE_CNT_LO, &val);
+ tfp410_readb(dvo, TFP410_DE_CNT_HI, &val2);
+ DRM_DEBUG("TFP410_DE_CNT: 0x%02X%02X\n", val2, val);
+ tfp410_readb(dvo, TFP410_DE_LIN_LO, &val);
+ tfp410_readb(dvo, TFP410_DE_LIN_HI, &val2);
+ DRM_DEBUG("TFP410_DE_LIN: 0x%02X%02X\n", val2, val);
+ tfp410_readb(dvo, TFP410_H_RES_LO, &val);
+ tfp410_readb(dvo, TFP410_H_RES_HI, &val2);
+ DRM_DEBUG("TFP410_H_RES: 0x%02X%02X\n", val2, val);
+ tfp410_readb(dvo, TFP410_V_RES_LO, &val);
+ tfp410_readb(dvo, TFP410_V_RES_HI, &val2);
+ DRM_DEBUG("TFP410_V_RES: 0x%02X%02X\n", val2, val);
+}
+
+static void tfp410_save(struct intel_dvo_device *dvo)
+{
+ struct tfp410_priv *tfp = dvo->dev_priv;
+
+ if (!tfp410_readb(dvo, TFP410_CTL_1, &tfp->saved_reg.ctl1))
+ return;
+
+ if (!tfp410_readb(dvo, TFP410_CTL_2, &tfp->saved_reg.ctl2))
+ return;
+}
+
+static void tfp410_restore(struct intel_dvo_device *dvo)
+{
+ struct tfp410_priv *tfp = dvo->dev_priv;
+
+ /* Restore it powered down initially */
+ tfp410_writeb(dvo, TFP410_CTL_1, tfp->saved_reg.ctl1 & ~0x1);
+
+ tfp410_writeb(dvo, TFP410_CTL_2, tfp->saved_reg.ctl2);
+ tfp410_writeb(dvo, TFP410_CTL_1, tfp->saved_reg.ctl1);
+}
+
+static void tfp410_destroy(struct intel_dvo_device *dvo)
+{
+ struct tfp410_priv *tfp = dvo->dev_priv;
+
+ if (tfp) {
+ kfree(tfp);
+ dvo->dev_priv = NULL;
+ }
+}
+
+struct intel_dvo_dev_ops tfp410_ops = {
+ .init = tfp410_init,
+ .detect = tfp410_detect,
+ .mode_valid = tfp410_mode_valid,
+ .mode_set = tfp410_mode_set,
+ .dpms = tfp410_dpms,
+ .dump_regs = tfp410_dump_regs,
+ .save = tfp410_save,
+ .restore = tfp410_restore,
+ .destroy = tfp410_destroy,
+};
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index 1b81b6a6d81..b5d0809eecb 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -28,6 +28,8 @@
#include "drmP.h"
#include "drm.h"
+#include "drm_crtc_helper.h"
+#include "intel_drv.h"
#include "i915_drm.h"
#include "i915_drv.h"
@@ -125,6 +127,13 @@ void i915_kernel_lost_context(struct drm_device * dev)
struct drm_i915_master_private *master_priv;
drm_i915_ring_buffer_t *ring = &(dev_priv->ring);
+ /*
+ * We should never lose context on the ring with modesetting
+ * as we don't expose it to userspace
+ */
+ if (drm_core_check_feature(dev, DRIVER_MODESET))
+ return;
+
ring->head = I915_READ(PRB0_HEAD) & HEAD_ADDR;
ring->tail = I915_READ(PRB0_TAIL) & TAIL_ADDR;
ring->space = ring->head - (ring->tail + 8);
@@ -769,6 +778,11 @@ static int i915_set_status_page(struct drm_device *dev, void *data,
return -EINVAL;
}
+ if (drm_core_check_feature(dev, DRIVER_MODESET)) {
+ WARN(1, "tried to set status page when mode setting active\n");
+ return 0;
+ }
+
printk(KERN_DEBUG "set status page addr 0x%08x\n", (u32)hws->addr);
dev_priv->status_gfx_addr = hws->addr & (0x1ffff<<12);
@@ -797,6 +811,173 @@ static int i915_set_status_page(struct drm_device *dev, void *data,
return 0;
}
+/**
+ * i915_probe_agp - get AGP bootup configuration
+ * @pdev: PCI device
+ * @aperture_size: returns AGP aperture configured size
+ * @preallocated_size: returns size of BIOS preallocated AGP space
+ *
+ * Since Intel integrated graphics are UMA, the BIOS has to set aside
+ * some RAM for the framebuffer at early boot. This code figures out
+ * how much was set aside so we can use it for our own purposes.
+ */
+int i915_probe_agp(struct pci_dev *pdev, unsigned long *aperture_size,
+ unsigned long *preallocated_size)
+{
+ struct pci_dev *bridge_dev;
+ u16 tmp = 0;
+ unsigned long overhead;
+
+ bridge_dev = pci_get_bus_and_slot(0, PCI_DEVFN(0,0));
+ if (!bridge_dev) {
+ DRM_ERROR("bridge device not found\n");
+ return -1;
+ }
+
+ /* Get the fb aperture size and "stolen" memory amount. */
+ pci_read_config_word(bridge_dev, INTEL_GMCH_CTRL, &tmp);
+ pci_dev_put(bridge_dev);
+
+ *aperture_size = 1024 * 1024;
+ *preallocated_size = 1024 * 1024;
+
+ switch (pdev->device) {
+ case PCI_DEVICE_ID_INTEL_82830_CGC:
+ case PCI_DEVICE_ID_INTEL_82845G_IG:
+ case PCI_DEVICE_ID_INTEL_82855GM_IG:
+ case PCI_DEVICE_ID_INTEL_82865_IG:
+ if ((tmp & INTEL_GMCH_MEM_MASK) == INTEL_GMCH_MEM_64M)
+ *aperture_size *= 64;
+ else
+ *aperture_size *= 128;
+ break;
+ default:
+ /* 9xx supports large sizes, just look at the length */
+ *aperture_size = pci_resource_len(pdev, 2);
+ break;
+ }
+
+ /*
+ * Some of the preallocated space is taken by the GTT
+ * and popup. GTT is 1K per MB of aperture size, and popup is 4K.
+ */
+ overhead = (*aperture_size / 1024) + 4096;
+ switch (tmp & INTEL_855_GMCH_GMS_MASK) {
+ case INTEL_855_GMCH_GMS_STOLEN_1M:
+ break; /* 1M already */
+ case INTEL_855_GMCH_GMS_STOLEN_4M:
+ *preallocated_size *= 4;
+ break;
+ case INTEL_855_GMCH_GMS_STOLEN_8M:
+ *preallocated_size *= 8;
+ break;
+ case INTEL_855_GMCH_GMS_STOLEN_16M:
+ *preallocated_size *= 16;
+ break;
+ case INTEL_855_GMCH_GMS_STOLEN_32M:
+ *preallocated_size *= 32;
+ break;
+ case INTEL_915G_GMCH_GMS_STOLEN_48M:
+ *preallocated_size *= 48;
+ break;
+ case INTEL_915G_GMCH_GMS_STOLEN_64M:
+ *preallocated_size *= 64;
+ break;
+ case INTEL_855_GMCH_GMS_DISABLED:
+ DRM_ERROR("video memory is disabled\n");
+ return -1;
+ default:
+ DRM_ERROR("unexpected GMCH_GMS value: 0x%02x\n",
+ tmp & INTEL_855_GMCH_GMS_MASK);
+ return -1;
+ }
+ *preallocated_size -= overhead;
+
+ return 0;
+}
+
+static int i915_load_modeset_init(struct drm_device *dev)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ unsigned long agp_size, prealloc_size;
+ int fb_bar = IS_I9XX(dev) ? 2 : 0;
+ int ret = 0;
+
+ dev->mode_config.fb_base = drm_get_resource_start(dev, fb_bar) &
+ 0xff000000;
+
+ DRM_DEBUG("*** fb base 0x%08lx\n", dev->mode_config.fb_base);
+
+ if (IS_MOBILE(dev) || (IS_I9XX(dev) && !IS_I965G(dev) && !IS_G33(dev)))
+ dev_priv->cursor_needs_physical = true;
+ else
+ dev_priv->cursor_needs_physical = false;
+
+ i915_probe_agp(dev->pdev, &agp_size, &prealloc_size);
+
+ /* Basic memrange allocator for stolen space (aka vram) */
+ drm_mm_init(&dev_priv->vram, 0, prealloc_size);
+
+ /* Let GEM Manage from end of prealloc space to end of aperture */
+ i915_gem_do_init(dev, prealloc_size, agp_size);
+
+ ret = i915_gem_init_ringbuffer(dev);
+ if (ret)
+ goto out;
+
+ dev_priv->mm.gtt_mapping =
+ io_mapping_create_wc(dev->agp->base,
+ dev->agp->agp_info.aper_size * 1024*1024);
+
+ /* Allow hardware batchbuffers unless told otherwise.
+ */
+ dev_priv->allow_batchbuffer = 1;
+
+ ret = intel_init_bios(dev);
+ if (ret)
+ DRM_INFO("failed to find VBIOS tables\n");
+
+ ret = drm_irq_install(dev);
+ if (ret)
+ goto destroy_ringbuffer;
+
+ /* FIXME: re-add hotplug support */
+#if 0
+ ret = drm_hotplug_init(dev);
+ if (ret)
+ goto destroy_ringbuffer;
+#endif
+
+ /* Always safe in the mode setting case. */
+ /* FIXME: do pre/post-mode set stuff in core KMS code */
+ dev->vblank_disable_allowed = 1;
+
+ /*
+ * Initialize the hardware status page IRQ location.
+ */
+
+ I915_WRITE(INSTPM, (1 << 5) | (1 << 21));
+
+ intel_modeset_init(dev);
+
+ drm_helper_initial_config(dev, false);
+
+ dev->devname = kstrdup(DRIVER_NAME, GFP_KERNEL);
+ if (!dev->devname) {
+ ret = -ENOMEM;
+ goto modeset_cleanup;
+ }
+
+ return 0;
+
+modeset_cleanup:
+ intel_modeset_cleanup(dev);
+destroy_ringbuffer:
+ i915_gem_cleanup_ringbuffer(dev);
+out:
+ return ret;
+}
+
int i915_master_create(struct drm_device *dev, struct drm_master *master)
{
struct drm_i915_master_private *master_priv;
@@ -821,6 +1002,25 @@ void i915_master_destroy(struct drm_device *dev, struct drm_master *master)
master->driver_priv = NULL;
}
+
+int i915_driver_firstopen(struct drm_device *dev)
+{
+ if (drm_core_check_feature(dev, DRIVER_MODESET))
+ return 0;
+ return 0;
+}
+
+/**
+ * i915_driver_load - setup chip and create an initial config
+ * @dev: DRM device
+ * @flags: startup flags
+ *
+ * The driver load routine has to do several things:
+ * - drive output discovery via intel_modeset_init()
+ * - initialize the memory manager
+ * - allocate initial config memory
+ * - setup the DRM framebuffer with the allocated memory
+ */
int i915_driver_load(struct drm_device *dev, unsigned long flags)
{
struct drm_i915_private *dev_priv = dev->dev_private;
@@ -848,6 +1048,11 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
size = drm_get_resource_len(dev, mmio_bar);
dev_priv->regs = ioremap(base, size);
+ if (!dev_priv->regs) {
+ DRM_ERROR("failed to map registers\n");
+ ret = -EIO;
+ goto free_priv;
+ }
#ifdef CONFIG_HIGHMEM64G
/* don't enable GEM on PAE - needs agp + set_memory_* interface fixes */
@@ -863,7 +1068,7 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
if (!I915_NEED_GFX_HWS(dev)) {
ret = i915_init_phys_hws(dev);
if (ret != 0)
- return ret;
+ goto out_rmmap;
}
/* On the 945G/GM, the chipset reports the MSI capability on the
@@ -883,6 +1088,7 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
intel_opregion_init(dev);
spin_lock_init(&dev_priv->user_irq_lock);
+ dev_priv->user_irq_refcount = 0;
ret = drm_vblank_init(dev, I915_NUM_PIPE);
@@ -891,6 +1097,20 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
return ret;
}
+ if (drm_core_check_feature(dev, DRIVER_MODESET)) {
+ ret = i915_load_modeset_init(dev);
+ if (ret < 0) {
+ DRM_ERROR("failed to init modeset\n");
+ goto out_rmmap;
+ }
+ }
+
+ return 0;
+
+out_rmmap:
+ iounmap(dev_priv->regs);
+free_priv:
+ drm_free(dev_priv, sizeof(struct drm_i915_private), DRM_MEM_DRIVER);
return ret;
}
@@ -898,16 +1118,29 @@ int i915_driver_unload(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
+ if (drm_core_check_feature(dev, DRIVER_MODESET)) {
+ io_mapping_free(dev_priv->mm.gtt_mapping);
+ drm_irq_uninstall(dev);
+ }
+
if (dev->pdev->msi_enabled)
pci_disable_msi(dev->pdev);
- i915_free_hws(dev);
-
if (dev_priv->regs != NULL)
iounmap(dev_priv->regs);
intel_opregion_free(dev);
+ if (drm_core_check_feature(dev, DRIVER_MODESET)) {
+ intel_modeset_cleanup(dev);
+
+ mutex_lock(&dev->struct_mutex);
+ i915_gem_cleanup_ringbuffer(dev);
+ mutex_unlock(&dev->struct_mutex);
+ drm_mm_takedown(&dev_priv->vram);
+ i915_gem_lastclose(dev);
+ }
+
drm_free(dev->dev_private, sizeof(drm_i915_private_t),
DRM_MEM_DRIVER);
@@ -933,12 +1166,26 @@ int i915_driver_open(struct drm_device *dev, struct drm_file *file_priv)
return 0;
}
+/**
+ * i915_driver_lastclose - clean up after all DRM clients have exited
+ * @dev: DRM device
+ *
+ * Take care of cleaning up after all DRM clients have exited. In the
+ * mode setting case, we want to restore the kernel's initial mode (just
+ * in case the last client left us in a bad state).
+ *
+ * Additionally, in the non-mode setting case, we'll tear down the AGP
+ * and DMA structures, since the kernel won't be using them, and clea
+ * up any GEM state.
+ */
void i915_driver_lastclose(struct drm_device * dev)
{
drm_i915_private_t *dev_priv = dev->dev_private;
- if (!dev_priv)
+ if (!dev_priv || drm_core_check_feature(dev, DRIVER_MODESET)) {
+ intelfb_restore();
return;
+ }
i915_gem_lastclose(dev);
@@ -951,7 +1198,8 @@ void i915_driver_lastclose(struct drm_device * dev)
void i915_driver_preclose(struct drm_device * dev, struct drm_file *file_priv)
{
drm_i915_private_t *dev_priv = dev->dev_private;
- i915_mem_release(dev, file_priv, dev_priv->agp_heap);
+ if (!drm_core_check_feature(dev, DRIVER_MODESET))
+ i915_mem_release(dev, file_priv, dev_priv->agp_heap);
}
void i915_driver_postclose(struct drm_device *dev, struct drm_file *file_priv)
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index e0d996ed902..cbee41c3241 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -33,11 +33,22 @@
#include "i915_drv.h"
#include "drm_pciids.h"
+#include <linux/console.h>
+
+unsigned int i915_modeset = -1;
+module_param_named(modeset, i915_modeset, int, 0400);
+
+unsigned int i915_fbpercrtc = 0;
+module_param_named(fbpercrtc, i915_fbpercrtc, int, 0400);
static struct pci_device_id pciidlist[] = {
i915_PCI_IDS
};
+#if defined(CONFIG_DRM_I915_KMS)
+MODULE_DEVICE_TABLE(pci, pciidlist);
+#endif
+
static int i915_suspend(struct drm_device *dev, pm_message_t state)
{
struct drm_i915_private *dev_priv = dev->dev_private;
@@ -148,6 +159,28 @@ static struct drm_driver driver = {
static int __init i915_init(void)
{
driver.num_ioctls = i915_max_ioctl;
+
+ /*
+ * If CONFIG_DRM_I915_KMS is set, default to KMS unless
+ * explicitly disabled with the module pararmeter.
+ *
+ * Otherwise, just follow the parameter (defaulting to off).
+ *
+ * Allow optional vga_text_mode_force boot option to override
+ * the default behavior.
+ */
+#if defined(CONFIG_DRM_I915_KMS)
+ if (i915_modeset != 0)
+ driver.driver_features |= DRIVER_MODESET;
+#endif
+ if (i915_modeset == 1)
+ driver.driver_features |= DRIVER_MODESET;
+
+#ifdef CONFIG_VGA_CONSOLE
+ if (vgacon_text_force() && i915_modeset == -1)
+ driver.driver_features &= ~DRIVER_MODESET;
+#endif
+
return drm_init(&driver);
}
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 85a072e8063..6f18ee68d06 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -31,6 +31,7 @@
#define _I915_DRV_H_
#include "i915_reg.h"
+#include "intel_bios.h"
#include <linux/io-mapping.h>
/* General customization:
@@ -152,8 +153,26 @@ typedef struct drm_i915_private {
unsigned int sr01, adpa, ppcr, dvob, dvoc, lvds;
int vblank_pipe;
+ bool cursor_needs_physical;
+
+ struct drm_mm vram;
+
+ int irq_enabled;
+
struct intel_opregion opregion;
+ /* LVDS info */
+ int backlight_duty_cycle; /* restore backlight to this value */
+ bool panel_wants_dither;
+ struct drm_display_mode *panel_fixed_mode;
+ struct drm_display_mode *vbt_mode; /* if any */
+
+ /* Feature bits from the VBIOS */
+ int int_tv_support:1;
+ int lvds_dither:1;
+ int lvds_vbt:1;
+ int int_crt_support:1;
+
struct drm_i915_fence_reg fence_regs[16]; /* assume 965 */
int fence_reg_start; /* 4 if userland hasn't ioctl'd us yet */
int num_fence_regs; /* 8 on pre-965, 16 otherwise */
@@ -413,6 +432,10 @@ struct drm_i915_gem_object {
* flags which individual pages are valid.
*/
uint8_t *page_cpu_valid;
+
+ /** User space pin count and filp owning the pin */
+ uint32_t user_pin_count;
+ struct drm_file *pin_filp;
};
/**
@@ -442,8 +465,16 @@ struct drm_i915_file_private {
} mm;
};
+enum intel_chip_family {
+ CHIP_I8XX = 0x01,
+ CHIP_I9XX = 0x02,
+ CHIP_I915 = 0x04,
+ CHIP_I965 = 0x08,
+};
+
extern struct drm_ioctl_desc i915_ioctls[];
extern int i915_max_ioctl;
+extern unsigned int i915_fbpercrtc;
extern int i915_master_create(struct drm_device *dev, struct drm_master *master);
extern void i915_master_destroy(struct drm_device *dev, struct drm_master *master);
@@ -472,6 +503,7 @@ extern int i915_irq_wait(struct drm_device *dev, void *data,
struct drm_file *file_priv);
void i915_user_irq_get(struct drm_device *dev);
void i915_user_irq_put(struct drm_device *dev);
+extern void i915_enable_interrupt (struct drm_device *dev);
extern irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS);
extern void i915_driver_irq_preinstall(struct drm_device * dev);
@@ -556,7 +588,16 @@ uint32_t i915_get_gem_seqno(struct drm_device *dev);
void i915_gem_retire_requests(struct drm_device *dev);
void i915_gem_retire_work_handler(struct work_struct *work);
void i915_gem_clflush_object(struct drm_gem_object *obj);
+int i915_gem_object_set_domain(struct drm_gem_object *obj,
+ uint32_t read_domains,
+ uint32_t write_domain);
+int i915_gem_init_ringbuffer(struct drm_device *dev);
+void i915_gem_cleanup_ringbuffer(struct drm_device *dev);
+int i915_gem_do_init(struct drm_device *dev, unsigned long start,
+ unsigned long end);
int i915_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf);
+int i915_gem_object_set_to_gtt_domain(struct drm_gem_object *obj,
+ int write);
/* i915_gem_tiling.c */
void i915_gem_detect_bit_6_swizzle(struct drm_device *dev);
@@ -595,6 +636,10 @@ static inline void opregion_asle_intr(struct drm_device *dev) { return; }
static inline void opregion_enable_asle(struct drm_device *dev) { return; }
#endif
+/* modesetting */
+extern void intel_modeset_init(struct drm_device *dev);
+extern void intel_modeset_cleanup(struct drm_device *dev);
+
/**
* Lock test for when it's just for synchronization of ring access.
*
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 0ac977112f7..c4ccaf3b3c7 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -30,6 +30,7 @@
#include "i915_drm.h"
#include "i915_drv.h"
#include <linux/swap.h>
+#include <linux/pci.h>
#define I915_GEM_GPU_DOMAINS (~(I915_GEM_DOMAIN_CPU | I915_GEM_DOMAIN_GTT))
@@ -40,8 +41,6 @@ i915_gem_object_set_to_gpu_domain(struct drm_gem_object *obj,
static void i915_gem_object_flush_gpu_write_domain(struct drm_gem_object *obj);
static void i915_gem_object_flush_gtt_write_domain(struct drm_gem_object *obj);
static void i915_gem_object_flush_cpu_write_domain(struct drm_gem_object *obj);
-static int i915_gem_object_set_to_gtt_domain(struct drm_gem_object *obj,
- int write);
static int i915_gem_object_set_to_cpu_domain(struct drm_gem_object *obj,
int write);
static int i915_gem_object_set_cpu_read_domain_range(struct drm_gem_object *obj,
@@ -57,33 +56,37 @@ static void i915_gem_object_get_fence_reg(struct drm_gem_object *obj);
static void i915_gem_clear_fence_reg(struct drm_gem_object *obj);
static int i915_gem_evict_something(struct drm_device *dev);
-static void
-i915_gem_cleanup_ringbuffer(struct drm_device *dev);
-
-int
-i915_gem_init_ioctl(struct drm_device *dev, void *data,
- struct drm_file *file_priv)
+int i915_gem_do_init(struct drm_device *dev, unsigned long start,
+ unsigned long end)
{
drm_i915_private_t *dev_priv = dev->dev_private;
- struct drm_i915_gem_init *args = data;
-
- mutex_lock(&dev->struct_mutex);
- if (args->gtt_start >= args->gtt_end ||
- (args->gtt_start & (PAGE_SIZE - 1)) != 0 ||
- (args->gtt_end & (PAGE_SIZE - 1)) != 0) {
- mutex_unlock(&dev->struct_mutex);
+ if (start >= end ||
+ (start & (PAGE_SIZE - 1)) != 0 ||
+ (end & (PAGE_SIZE - 1)) != 0) {
return -EINVAL;
}
- drm_mm_init(&dev_priv->mm.gtt_space, args->gtt_start,
- args->gtt_end - args->gtt_start);
+ drm_mm_init(&dev_priv->mm.gtt_space, start,
+ end - start);
- dev->gtt_total = (uint32_t) (args->gtt_end - args->gtt_start);
+ dev->gtt_total = (uint32_t) (end - start);
+
+ return 0;
+}
+int
+i915_gem_init_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
+{
+ struct drm_i915_gem_init *args = data;
+ int ret;
+
+ mutex_lock(&dev->struct_mutex);
+ ret = i915_gem_do_init(dev, args->gtt_start, args->gtt_end);
mutex_unlock(&dev->struct_mutex);
- return 0;
+ return ret;
}
int
@@ -1246,7 +1249,8 @@ i915_gem_object_unbind(struct drm_gem_object *obj)
/* blow away mappings if mapped through GTT */
offset = ((loff_t) obj->map_list.hash.key) << PAGE_SHIFT;
- unmap_mapping_range(dev->dev_mapping, offset, obj->size, 1);
+ if (dev->dev_mapping)
+ unmap_mapping_range(dev->dev_mapping, offset, obj->size, 1);
if (obj_priv->fence_reg != I915_FENCE_REG_NONE)
i915_gem_clear_fence_reg(obj);
@@ -1508,7 +1512,7 @@ static void
i915_gem_object_get_fence_reg(struct drm_gem_object *obj)
{
struct drm_device *dev = obj->dev;
- drm_i915_private_t *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = dev->dev_private;
struct drm_i915_gem_object *obj_priv = obj->driver_private;
struct drm_i915_fence_reg *reg = NULL;
int i, ret;
@@ -1567,8 +1571,9 @@ try_again:
* for this object next time we need it.
*/
offset = ((loff_t) reg->obj->map_list.hash.key) << PAGE_SHIFT;
- unmap_mapping_range(dev->dev_mapping, offset,
- reg->obj->size, 1);
+ if (dev->dev_mapping)
+ unmap_mapping_range(dev->dev_mapping, offset,
+ reg->obj->size, 1);
old_obj_priv->fence_reg = I915_FENCE_REG_NONE;
}
@@ -1594,7 +1599,7 @@ static void
i915_gem_clear_fence_reg(struct drm_gem_object *obj)
{
struct drm_device *dev = obj->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
+ drm_i915_private_t *dev_priv = dev->dev_private;
struct drm_i915_gem_object *obj_priv = obj->driver_private;
if (IS_I965G(dev))
@@ -1764,7 +1769,7 @@ i915_gem_object_flush_cpu_write_domain(struct drm_gem_object *obj)
* This function returns when the move is complete, including waiting on
* flushes to occur.
*/
-static int
+int
i915_gem_object_set_to_gtt_domain(struct drm_gem_object *obj, int write)
{
struct drm_i915_gem_object *obj_priv = obj->driver_private;
@@ -2706,11 +2711,22 @@ i915_gem_pin_ioctl(struct drm_device *dev, void *data,
}
obj_priv = obj->driver_private;
- ret = i915_gem_object_pin(obj, args->alignment);
- if (ret != 0) {
- drm_gem_object_unreference(obj);
+ if (obj_priv->pin_filp != NULL && obj_priv->pin_filp != file_priv) {
+ DRM_ERROR("Already pinned in i915_gem_pin_ioctl(): %d\n",
+ args->handle);
mutex_unlock(&dev->struct_mutex);
- return ret;
+ return -EINVAL;
+ }
+
+ obj_priv->user_pin_count++;
+ obj_priv->pin_filp = file_priv;
+ if (obj_priv->user_pin_count == 1) {
+ ret = i915_gem_object_pin(obj, args->alignment);
+ if (ret != 0) {
+ drm_gem_object_unreference(obj);
+ mutex_unlock(&dev->struct_mutex);
+ return ret;
+ }
}
/* XXX - flush the CPU caches for pinned objects
@@ -2730,6 +2746,7 @@ i915_gem_unpin_ioctl(struct drm_device *dev, void *data,
{
struct drm_i915_gem_pin *args = data;
struct drm_gem_object *obj;
+ struct drm_i915_gem_object *obj_priv;
mutex_lock(&dev->struct_mutex);
@@ -2741,7 +2758,19 @@ i915_gem_unpin_ioctl(struct drm_device *dev, void *data,
return -EBADF;
}
- i915_gem_object_unpin(obj);
+ obj_priv = obj->driver_private;
+ if (obj_priv->pin_filp != file_priv) {
+ DRM_ERROR("Not pinned by caller in i915_gem_pin_ioctl(): %d\n",
+ args->handle);
+ drm_gem_object_unreference(obj);
+ mutex_unlock(&dev->struct_mutex);
+ return -EINVAL;
+ }
+ obj_priv->user_pin_count--;
+ if (obj_priv->user_pin_count == 0) {
+ obj_priv->pin_filp = NULL;
+ i915_gem_object_unpin(obj);
+ }
drm_gem_object_unreference(obj);
mutex_unlock(&dev->struct_mutex);
@@ -3036,12 +3065,13 @@ i915_gem_init_hws(struct drm_device *dev)
return 0;
}
-static int
+int
i915_gem_init_ringbuffer(struct drm_device *dev)
{
drm_i915_private_t *dev_priv = dev->dev_private;
struct drm_gem_object *obj;
struct drm_i915_gem_object *obj_priv;
+ drm_i915_ring_buffer_t *ring = &dev_priv->ring;
int ret;
u32 head;
@@ -3063,24 +3093,24 @@ i915_gem_init_ringbuffer(struct drm_device *dev)
}
/* Set up the kernel mapping for the ring. */
- dev_priv->ring.Size = obj->size;
- dev_priv->ring.tail_mask = obj->size - 1;
+ ring->Size = obj->size;
+ ring->tail_mask = obj->size - 1;
- dev_priv->ring.map.offset = dev->agp->base + obj_priv->gtt_offset;
- dev_priv->ring.map.size = obj->size;
- dev_priv->ring.map.type = 0;
- dev_priv->ring.map.flags = 0;
- dev_priv->ring.map.mtrr = 0;
+ ring->map.offset = dev->agp->base + obj_priv->gtt_offset;
+ ring->map.size = obj->size;
+ ring->map.type = 0;
+ ring->map.flags = 0;
+ ring->map.mtrr = 0;
- drm_core_ioremap_wc(&dev_priv->ring.map, dev);
- if (dev_priv->ring.map.handle == NULL) {
+ drm_core_ioremap_wc(&ring->map, dev);
+ if (ring->map.handle == NULL) {
DRM_ERROR("Failed to map ringbuffer.\n");
memset(&dev_priv->ring, 0, sizeof(dev_priv->ring));
drm_gem_object_unreference(obj);
return -EINVAL;
}
- dev_priv->ring.ring_obj = obj;
- dev_priv->ring.virtual_start = dev_priv->ring.map.handle;
+ ring->ring_obj = obj;
+ ring->virtual_start = ring->map.handle;
/* Stop the ring if it's running. */
I915_WRITE(PRB0_CTL, 0);
@@ -3128,12 +3158,20 @@ i915_gem_init_ringbuffer(struct drm_device *dev)
}
/* Update our cache of the ring state */
- i915_kernel_lost_context(dev);
+ if (!drm_core_check_feature(dev, DRIVER_MODESET))
+ i915_kernel_lost_context(dev);
+ else {
+ ring->head = I915_READ(PRB0_HEAD) & HEAD_ADDR;
+ ring->tail = I915_READ(PRB0_TAIL) & TAIL_ADDR;
+ ring->space = ring->head - (ring->tail + 8);
+ if (ring->space < 0)
+ ring->space += ring->Size;
+ }
return 0;
}
-static void
+void
i915_gem_cleanup_ringbuffer(struct drm_device *dev)
{
drm_i915_private_t *dev_priv = dev->dev_private;
@@ -3171,6 +3209,9 @@ i915_gem_entervt_ioctl(struct drm_device *dev, void *data,
drm_i915_private_t *dev_priv = dev->dev_private;
int ret;
+ if (drm_core_check_feature(dev, DRIVER_MODESET))
+ return 0;
+
if (dev_priv->mm.wedged) {
DRM_ERROR("Reenabling wedged hardware, good luck\n");
dev_priv->mm.wedged = 0;
@@ -3204,6 +3245,9 @@ i915_gem_leavevt_ioctl(struct drm_device *dev, void *data,
drm_i915_private_t *dev_priv = dev->dev_private;
int ret;
+ if (drm_core_check_feature(dev, DRIVER_MODESET))
+ return 0;
+
ret = i915_gem_idle(dev);
drm_irq_uninstall(dev);
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 9b673d2f912..0cadafbef41 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -30,6 +30,7 @@
#include "drm.h"
#include "i915_drm.h"
#include "i915_drv.h"
+#include "intel_drv.h"
#define MAX_NOPID ((u32)~0)
@@ -51,6 +52,15 @@
#define I915_INTERRUPT_ENABLE_MASK (I915_INTERRUPT_ENABLE_FIX | \
I915_INTERRUPT_ENABLE_VAR)
+#define I915_PIPE_VBLANK_STATUS (PIPE_START_VBLANK_INTERRUPT_STATUS |\
+ PIPE_VBLANK_INTERRUPT_STATUS)
+
+#define I915_PIPE_VBLANK_ENABLE (PIPE_START_VBLANK_INTERRUPT_ENABLE |\
+ PIPE_VBLANK_INTERRUPT_ENABLE)
+
+#define DRM_I915_VBLANK_PIPE_ALL (DRM_I915_VBLANK_PIPE_A | \
+ DRM_I915_VBLANK_PIPE_B)
+
void
i915_enable_irq(drm_i915_private_t *dev_priv, u32 mask)
{
@@ -201,6 +211,7 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS)
spin_lock_irqsave(&dev_priv->user_irq_lock, irqflags);
pipea_stats = I915_READ(PIPEASTAT);
pipeb_stats = I915_READ(PIPEBSTAT);
+
/*
* Clear the PIPE(A|B)STAT regs before the IIR
*/
@@ -427,6 +438,14 @@ void i915_disable_vblank(struct drm_device *dev, int pipe)
spin_unlock_irqrestore(&dev_priv->user_irq_lock, irqflags);
}
+void i915_enable_interrupt (struct drm_device *dev)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ opregion_enable_asle(dev);
+ dev_priv->irq_enabled = 1;
+}
+
+
/* Set the vblank monitor pipe
*/
int i915_vblank_pipe_set(struct drm_device *dev, void *data,
@@ -487,6 +506,8 @@ void i915_driver_irq_preinstall(struct drm_device * dev)
{
drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
+ atomic_set(&dev_priv->irq_received, 0);
+
I915_WRITE(HWSTAM, 0xeffe);
I915_WRITE(PIPEASTAT, 0);
I915_WRITE(PIPEBSTAT, 0);
diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c
new file mode 100644
index 00000000000..4ca82a02552
--- /dev/null
+++ b/drivers/gpu/drm/i915/intel_bios.c
@@ -0,0 +1,193 @@
+/*
+ * Copyright 2006 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ * Authors:
+ * Eric Anholt <eric@anholt.net>
+ *
+ */
+#include "drmP.h"
+#include "drm.h"
+#include "i915_drm.h"
+#include "i915_drv.h"
+#include "intel_bios.h"
+
+
+static void *
+find_section(struct bdb_header *bdb, int section_id)
+{
+ u8 *base = (u8 *)bdb;
+ int index = 0;
+ u16 total, current_size;
+ u8 current_id;
+
+ /* skip to first section */
+ index += bdb->header_size;
+ total = bdb->bdb_size;
+
+ /* walk the sections looking for section_id */
+ while (index < total) {
+ current_id = *(base + index);
+ index++;
+ current_size = *((u16 *)(base + index));
+ index += 2;
+ if (current_id == section_id)
+ return base + index;
+ index += current_size;
+ }
+
+ return NULL;
+}
+
+/* Try to find panel data */
+static void
+parse_panel_data(struct drm_i915_private *dev_priv, struct bdb_header *bdb)
+{
+ struct bdb_lvds_options *lvds_options;
+ struct bdb_lvds_lfp_data *lvds_lfp_data;
+ struct bdb_lvds_lfp_data_entry *entry;
+ struct lvds_dvo_timing *dvo_timing;
+ struct drm_display_mode *panel_fixed_mode;
+
+ /* Defaults if we can't find VBT info */
+ dev_priv->lvds_dither = 0;
+ dev_priv->lvds_vbt = 0;
+
+ lvds_options = find_section(bdb, BDB_LVDS_OPTIONS);
+ if (!lvds_options)
+ return;
+
+ dev_priv->lvds_dither = lvds_options->pixel_dither;
+ if (lvds_options->panel_type == 0xff)
+ return;
+
+ lvds_lfp_data = find_section(bdb, BDB_LVDS_LFP_DATA);
+ if (!lvds_lfp_data)
+ return;
+
+ dev_priv->lvds_vbt = 1;
+
+ entry = &lvds_lfp_data->data[lvds_options->panel_type];
+ dvo_timing = &entry->dvo_timing;
+
+ panel_fixed_mode = drm_calloc(1, sizeof(*panel_fixed_mode),
+ DRM_MEM_DRIVER);
+
+ panel_fixed_mode->hdisplay = (dvo_timing->hactive_hi << 8) |
+ dvo_timing->hactive_lo;
+ panel_fixed_mode->hsync_start = panel_fixed_mode->hdisplay +
+ ((dvo_timing->hsync_off_hi << 8) | dvo_timing->hsync_off_lo);
+ panel_fixed_mode->hsync_end = panel_fixed_mode->hsync_start +
+ dvo_timing->hsync_pulse_width;
+ panel_fixed_mode->htotal = panel_fixed_mode->hdisplay +
+ ((dvo_timing->hblank_hi << 8) | dvo_timing->hblank_lo);
+
+ panel_fixed_mode->vdisplay = (dvo_timing->vactive_hi << 8) |
+ dvo_timing->vactive_lo;
+ panel_fixed_mode->vsync_start = panel_fixed_mode->vdisplay +
+ dvo_timing->vsync_off;
+ panel_fixed_mode->vsync_end = panel_fixed_mode->vsync_start +
+ dvo_timing->vsync_pulse_width;
+ panel_fixed_mode->vtotal = panel_fixed_mode->vdisplay +
+ ((dvo_timing->vblank_hi << 8) | dvo_timing->vblank_lo);
+ panel_fixed_mode->clock = dvo_timing->clock * 10;
+ panel_fixed_mode->type = DRM_MODE_TYPE_PREFERRED;
+
+ drm_mode_set_name(panel_fixed_mode);
+
+ dev_priv->vbt_mode = panel_fixed_mode;
+
+ DRM_DEBUG("Found panel mode in BIOS VBT tables:\n");
+ drm_mode_debug_printmodeline(panel_fixed_mode);
+
+ return;
+}
+
+static void
+parse_general_features(struct drm_i915_private *dev_priv,
+ struct bdb_header *bdb)
+{
+ struct bdb_general_features *general;
+
+ /* Set sensible defaults in case we can't find the general block */
+ dev_priv->int_tv_support = 1;
+ dev_priv->int_crt_support = 1;
+
+ general = find_section(bdb, BDB_GENERAL_FEATURES);
+ if (general) {
+ dev_priv->int_tv_support = general->int_tv_support;
+ dev_priv->int_crt_support = general->int_crt_support;
+ }
+}
+
+/**
+ * intel_init_bios - initialize VBIOS settings & find VBT
+ * @dev: DRM device
+ *
+ * Loads the Video BIOS and checks that the VBT exists. Sets scratch registers
+ * to appropriate values.
+ *
+ * VBT existence is a sanity check that is relied on by other i830_bios.c code.
+ * Note that it would be better to use a BIOS call to get the VBT, as BIOSes may
+ * feed an updated VBT back through that, compared to what we'll fetch using
+ * this method of groping around in the BIOS data.
+ *
+ * Returns 0 on success, nonzero on failure.
+ */
+bool
+intel_init_bios(struct drm_device *dev)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct pci_dev *pdev = dev->pdev;
+ struct vbt_header *vbt = NULL;
+ struct bdb_header *bdb;
+ u8 __iomem *bios;
+ size_t size;
+ int i;
+
+ bios = pci_map_rom(pdev, &size);
+ if (!bios)
+ return -1;
+
+ /* Scour memory looking for the VBT signature */
+ for (i = 0; i + 4 < size; i++) {
+ if (!memcmp(bios + i, "$VBT", 4)) {
+ vbt = (struct vbt_header *)(bios + i);
+ break;
+ }
+ }
+
+ if (!vbt) {
+ DRM_ERROR("VBT signature missing\n");
+ pci_unmap_rom(pdev, bios);
+ return -1;
+ }
+
+ bdb = (struct bdb_header *)(bios + i + vbt->bdb_offset);
+
+ /* Grab useful general definitions */
+ parse_general_features(dev_priv, bdb);
+ parse_panel_data(dev_priv, bdb);
+
+ pci_unmap_rom(pdev, bios);
+
+ return 0;
+}
diff --git a/drivers/gpu/drm/i915/intel_bios.h b/drivers/gpu/drm/i915/intel_bios.h
new file mode 100644
index 00000000000..5ea715ace3a
--- /dev/null
+++ b/drivers/gpu/drm/i915/intel_bios.h
@@ -0,0 +1,405 @@
+/*
+ * Copyright 2006 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ * Authors:
+ * Eric Anholt <eric@anholt.net>
+ *
+ */
+
+#ifndef _I830_BIOS_H_
+#define _I830_BIOS_H_
+
+#include "drmP.h"
+
+struct vbt_header {
+ u8 signature[20]; /**< Always starts with 'VBT$' */
+ u16 version; /**< decimal */
+ u16 header_size; /**< in bytes */
+ u16 vbt_size; /**< in bytes */
+ u8 vbt_checksum;
+ u8 reserved0;
+ u32 bdb_offset; /**< from beginning of VBT */
+ u32 aim_offset[4]; /**< from beginning of VBT */
+} __attribute__((packed));
+
+struct bdb_header {
+ u8 signature[16]; /**< Always 'BIOS_DATA_BLOCK' */
+ u16 version; /**< decimal */
+ u16 header_size; /**< in bytes */
+ u16 bdb_size; /**< in bytes */
+};
+
+/* strictly speaking, this is a "skip" block, but it has interesting info */
+struct vbios_data {
+ u8 type; /* 0 == desktop, 1 == mobile */
+ u8 relstage;
+ u8 chipset;
+ u8 lvds_present:1;
+ u8 tv_present:1;
+ u8 rsvd2:6; /* finish byte */
+ u8 rsvd3[4];
+ u8 signon[155];
+ u8 copyright[61];
+ u16 code_segment;
+ u8 dos_boot_mode;
+ u8 bandwidth_percent;
+ u8 rsvd4; /* popup memory size */
+ u8 resize_pci_bios;
+ u8 rsvd5; /* is crt already on ddc2 */
+} __attribute__((packed));
+
+/*
+ * There are several types of BIOS data blocks (BDBs), each block has
+ * an ID and size in the first 3 bytes (ID in first, size in next 2).
+ * Known types are listed below.
+ */
+#define BDB_GENERAL_FEATURES 1
+#define BDB_GENERAL_DEFINITIONS 2
+#define BDB_OLD_TOGGLE_LIST 3
+#define BDB_MODE_SUPPORT_LIST 4
+#define BDB_GENERIC_MODE_TABLE 5
+#define BDB_EXT_MMIO_REGS 6
+#define BDB_SWF_IO 7
+#define BDB_SWF_MMIO 8
+#define BDB_DOT_CLOCK_TABLE 9
+#define BDB_MODE_REMOVAL_TABLE 10
+#define BDB_CHILD_DEVICE_TABLE 11
+#define BDB_DRIVER_FEATURES 12
+#define BDB_DRIVER_PERSISTENCE 13
+#define BDB_EXT_TABLE_PTRS 14
+#define BDB_DOT_CLOCK_OVERRIDE 15
+#define BDB_DISPLAY_SELECT 16
+/* 17 rsvd */
+#define BDB_DRIVER_ROTATION 18
+#define BDB_DISPLAY_REMOVE 19
+#define BDB_OEM_CUSTOM 20
+#define BDB_EFP_LIST 21 /* workarounds for VGA hsync/vsync */
+#define BDB_SDVO_LVDS_OPTIONS 22
+#define BDB_SDVO_PANEL_DTDS 23
+#define BDB_SDVO_LVDS_PNP_IDS 24
+#define BDB_SDVO_LVDS_POWER_SEQ 25
+#define BDB_TV_OPTIONS 26
+#define BDB_LVDS_OPTIONS 40
+#define BDB_LVDS_LFP_DATA_PTRS 41
+#define BDB_LVDS_LFP_DATA 42
+#define BDB_LVDS_BACKLIGHT 43
+#define BDB_LVDS_POWER 44
+#define BDB_SKIP 254 /* VBIOS private block, ignore */
+
+struct bdb_general_features {
+ /* bits 1 */
+ u8 panel_fitting:2;
+ u8 flexaim:1;
+ u8 msg_enable:1;
+ u8 clear_screen:3;
+ u8 color_flip:1;
+
+ /* bits 2 */
+ u8 download_ext_vbt:1;
+ u8 enable_ssc:1;
+ u8 ssc_freq:1;
+ u8 enable_lfp_on_override:1;
+ u8 disable_ssc_ddt:1;
+ u8 rsvd8:3; /* finish byte */
+
+ /* bits 3 */
+ u8 disable_smooth_vision:1;
+ u8 single_dvi:1;
+ u8 rsvd9:6; /* finish byte */
+
+ /* bits 4 */
+ u8 legacy_monitor_detect;
+
+ /* bits 5 */
+ u8 int_crt_support:1;
+ u8 int_tv_support:1;
+ u8 rsvd11:6; /* finish byte */
+} __attribute__((packed));
+
+struct bdb_general_definitions {
+ /* DDC GPIO */
+ u8 crt_ddc_gmbus_pin;
+
+ /* DPMS bits */
+ u8 dpms_acpi:1;
+ u8 skip_boot_crt_detect:1;
+ u8 dpms_aim:1;
+ u8 rsvd1:5; /* finish byte */
+
+ /* boot device bits */
+ u8 boot_display[2];
+ u8 child_dev_size;
+
+ /* device info */
+ u8 tv_or_lvds_info[33];
+ u8 dev1[33];
+ u8 dev2[33];
+ u8 dev3[33];
+ u8 dev4[33];
+ /* may be another device block here on some platforms */
+};
+
+struct bdb_lvds_options {
+ u8 panel_type;
+ u8 rsvd1;
+ /* LVDS capabilities, stored in a dword */
+ u8 rsvd2:1;
+ u8 lvds_edid:1;
+ u8 pixel_dither:1;
+ u8 pfit_ratio_auto:1;
+ u8 pfit_gfx_mode_enhanced:1;
+ u8 pfit_text_mode_enhanced:1;
+ u8 pfit_mode:2;
+ u8 rsvd4;
+} __attribute__((packed));
+
+/* LFP pointer table contains entries to the struct below */
+struct bdb_lvds_lfp_data_ptr {
+ u16 fp_timing_offset; /* offsets are from start of bdb */
+ u8 fp_table_size;
+ u16 dvo_timing_offset;
+ u8 dvo_table_size;
+ u16 panel_pnp_id_offset;
+ u8 pnp_table_size;
+} __attribute__((packed));
+
+struct bdb_lvds_lfp_data_ptrs {
+ u8 lvds_entries; /* followed by one or more lvds_data_ptr structs */
+ struct bdb_lvds_lfp_data_ptr ptr[16];
+} __attribute__((packed));
+
+/* LFP data has 3 blocks per entry */
+struct lvds_fp_timing {
+ u16 x_res;
+ u16 y_res;
+ u32 lvds_reg;
+ u32 lvds_reg_val;
+ u32 pp_on_reg;
+ u32 pp_on_reg_val;
+ u32 pp_off_reg;
+ u32 pp_off_reg_val;
+ u32 pp_cycle_reg;
+ u32 pp_cycle_reg_val;
+ u32 pfit_reg;
+ u32 pfit_reg_val;
+ u16 terminator;
+} __attribute__((packed));
+
+struct lvds_dvo_timing {
+ u16 clock; /**< In 10khz */
+ u8 hactive_lo;
+ u8 hblank_lo;
+ u8 hblank_hi:4;
+ u8 hactive_hi:4;
+ u8 vactive_lo;
+ u8 vblank_lo;
+ u8 vblank_hi:4;
+ u8 vactive_hi:4;
+ u8 hsync_off_lo;
+ u8 hsync_pulse_width;
+ u8 vsync_pulse_width:4;
+ u8 vsync_off:4;
+ u8 rsvd0:6;
+ u8 hsync_off_hi:2;
+ u8 h_image;
+ u8 v_image;
+ u8 max_hv;
+ u8 h_border;
+ u8 v_border;
+ u8 rsvd1:3;
+ u8 digital:2;
+ u8 vsync_positive:1;
+ u8 hsync_positive:1;
+ u8 rsvd2:1;
+} __attribute__((packed));
+
+struct lvds_pnp_id {
+ u16 mfg_name;
+ u16 product_code;
+ u32 serial;
+ u8 mfg_week;
+ u8 mfg_year;
+} __attribute__((packed));
+
+struct bdb_lvds_lfp_data_entry {
+ struct lvds_fp_timing fp_timing;
+ struct lvds_dvo_timing dvo_timing;
+ struct lvds_pnp_id pnp_id;
+} __attribute__((packed));
+
+struct bdb_lvds_lfp_data {
+ struct bdb_lvds_lfp_data_entry data[16];
+} __attribute__((packed));
+
+struct aimdb_header {
+ char signature[16];
+ char oem_device[20];
+ u16 aimdb_version;
+ u16 aimdb_header_size;
+ u16 aimdb_size;
+} __attribute__((packed));
+
+struct aimdb_block {
+ u8 aimdb_id;
+ u16 aimdb_size;
+} __attribute__((packed));
+
+struct vch_panel_data {
+ u16 fp_timing_offset;
+ u8 fp_timing_size;
+ u16 dvo_timing_offset;
+ u8 dvo_timing_size;
+ u16 text_fitting_offset;
+ u8 text_fitting_size;
+ u16 graphics_fitting_offset;
+ u8 graphics_fitting_size;
+} __attribute__((packed));
+
+struct vch_bdb_22 {
+ struct aimdb_block aimdb_block;
+ struct vch_panel_data panels[16];
+} __attribute__((packed));
+
+bool intel_init_bios(struct drm_device *dev);
+
+/*
+ * Driver<->VBIOS interaction occurs through scratch bits in
+ * GR18 & SWF*.
+ */
+
+/* GR18 bits are set on display switch and hotkey events */
+#define GR18_DRIVER_SWITCH_EN (1<<7) /* 0: VBIOS control, 1: driver control */
+#define GR18_HOTKEY_MASK 0x78 /* See also SWF4 15:0 */
+#define GR18_HK_NONE (0x0<<3)
+#define GR18_HK_LFP_STRETCH (0x1<<3)
+#define GR18_HK_TOGGLE_DISP (0x2<<3)
+#define GR18_HK_DISP_SWITCH (0x4<<3) /* see SWF14 15:0 for what to enable */
+#define GR18_HK_POPUP_DISABLED (0x6<<3)
+#define GR18_HK_POPUP_ENABLED (0x7<<3)
+#define GR18_HK_PFIT (0x8<<3)
+#define GR18_HK_APM_CHANGE (0xa<<3)
+#define GR18_HK_MULTIPLE (0xc<<3)
+#define GR18_USER_INT_EN (1<<2)
+#define GR18_A0000_FLUSH_EN (1<<1)
+#define GR18_SMM_EN (1<<0)
+
+/* Set by driver, cleared by VBIOS */
+#define SWF00_YRES_SHIFT 16
+#define SWF00_XRES_SHIFT 0
+#define SWF00_RES_MASK 0xffff
+
+/* Set by VBIOS at boot time and driver at runtime */
+#define SWF01_TV2_FORMAT_SHIFT 8
+#define SWF01_TV1_FORMAT_SHIFT 0
+#define SWF01_TV_FORMAT_MASK 0xffff
+
+#define SWF10_VBIOS_BLC_I2C_EN (1<<29)
+#define SWF10_GTT_OVERRIDE_EN (1<<28)
+#define SWF10_LFP_DPMS_OVR (1<<27) /* override DPMS on display switch */
+#define SWF10_ACTIVE_TOGGLE_LIST_MASK (7<<24)
+#define SWF10_OLD_TOGGLE 0x0
+#define SWF10_TOGGLE_LIST_1 0x1
+#define SWF10_TOGGLE_LIST_2 0x2
+#define SWF10_TOGGLE_LIST_3 0x3
+#define SWF10_TOGGLE_LIST_4 0x4
+#define SWF10_PANNING_EN (1<<23)
+#define SWF10_DRIVER_LOADED (1<<22)
+#define SWF10_EXTENDED_DESKTOP (1<<21)
+#define SWF10_EXCLUSIVE_MODE (1<<20)
+#define SWF10_OVERLAY_EN (1<<19)
+#define SWF10_PLANEB_HOLDOFF (1<<18)
+#define SWF10_PLANEA_HOLDOFF (1<<17)
+#define SWF10_VGA_HOLDOFF (1<<16)
+#define SWF10_ACTIVE_DISP_MASK 0xffff
+#define SWF10_PIPEB_LFP2 (1<<15)
+#define SWF10_PIPEB_EFP2 (1<<14)
+#define SWF10_PIPEB_TV2 (1<<13)
+#define SWF10_PIPEB_CRT2 (1<<12)
+#define SWF10_PIPEB_LFP (1<<11)
+#define SWF10_PIPEB_EFP (1<<10)
+#define SWF10_PIPEB_TV (1<<9)
+#define SWF10_PIPEB_CRT (1<<8)
+#define SWF10_PIPEA_LFP2 (1<<7)
+#define SWF10_PIPEA_EFP2 (1<<6)
+#define SWF10_PIPEA_TV2 (1<<5)
+#define SWF10_PIPEA_CRT2 (1<<4)
+#define SWF10_PIPEA_LFP (1<<3)
+#define SWF10_PIPEA_EFP (1<<2)
+#define SWF10_PIPEA_TV (1<<1)
+#define SWF10_PIPEA_CRT (1<<0)
+
+#define SWF11_MEMORY_SIZE_SHIFT 16
+#define SWF11_SV_TEST_EN (1<<15)
+#define SWF11_IS_AGP (1<<14)
+#define SWF11_DISPLAY_HOLDOFF (1<<13)
+#define SWF11_DPMS_REDUCED (1<<12)
+#define SWF11_IS_VBE_MODE (1<<11)
+#define SWF11_PIPEB_ACCESS (1<<10) /* 0 here means pipe a */
+#define SWF11_DPMS_MASK 0x07
+#define SWF11_DPMS_OFF (1<<2)
+#define SWF11_DPMS_SUSPEND (1<<1)
+#define SWF11_DPMS_STANDBY (1<<0)
+#define SWF11_DPMS_ON 0
+
+#define SWF14_GFX_PFIT_EN (1<<31)
+#define SWF14_TEXT_PFIT_EN (1<<30)
+#define SWF14_LID_STATUS_CLOSED (1<<29) /* 0 here means open */
+#define SWF14_POPUP_EN (1<<28)
+#define SWF14_DISPLAY_HOLDOFF (1<<27)
+#define SWF14_DISP_DETECT_EN (1<<26)
+#define SWF14_DOCKING_STATUS_DOCKED (1<<25) /* 0 here means undocked */
+#define SWF14_DRIVER_STATUS (1<<24)
+#define SWF14_OS_TYPE_WIN9X (1<<23)
+#define SWF14_OS_TYPE_WINNT (1<<22)
+/* 21:19 rsvd */
+#define SWF14_PM_TYPE_MASK 0x00070000
+#define SWF14_PM_ACPI_VIDEO (0x4 << 16)
+#define SWF14_PM_ACPI (0x3 << 16)
+#define SWF14_PM_APM_12 (0x2 << 16)
+#define SWF14_PM_APM_11 (0x1 << 16)
+#define SWF14_HK_REQUEST_MASK 0x0000ffff /* see GR18 6:3 for event type */
+ /* if GR18 indicates a display switch */
+#define SWF14_DS_PIPEB_LFP2_EN (1<<15)
+#define SWF14_DS_PIPEB_EFP2_EN (1<<14)
+#define SWF14_DS_PIPEB_TV2_EN (1<<13)
+#define SWF14_DS_PIPEB_CRT2_EN (1<<12)
+#define SWF14_DS_PIPEB_LFP_EN (1<<11)
+#define SWF14_DS_PIPEB_EFP_EN (1<<10)
+#define SWF14_DS_PIPEB_TV_EN (1<<9)
+#define SWF14_DS_PIPEB_CRT_EN (1<<8)
+#define SWF14_DS_PIPEA_LFP2_EN (1<<7)
+#define SWF14_DS_PIPEA_EFP2_EN (1<<6)
+#define SWF14_DS_PIPEA_TV2_EN (1<<5)
+#define SWF14_DS_PIPEA_CRT2_EN (1<<4)
+#define SWF14_DS_PIPEA_LFP_EN (1<<3)
+#define SWF14_DS_PIPEA_EFP_EN (1<<2)
+#define SWF14_DS_PIPEA_TV_EN (1<<1)
+#define SWF14_DS_PIPEA_CRT_EN (1<<0)
+ /* if GR18 indicates a panel fitting request */
+#define SWF14_PFIT_EN (1<<0) /* 0 means disable */
+ /* if GR18 indicates an APM change request */
+#define SWF14_APM_HIBERNATE 0x4
+#define SWF14_APM_SUSPEND 0x3
+#define SWF14_APM_STANDBY 0x1
+#define SWF14_APM_RESTORE 0x0
+
+#endif /* _I830_BIOS_H_ */
diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c
new file mode 100644
index 00000000000..5d9c94eb705
--- /dev/null
+++ b/drivers/gpu/drm/i915/intel_crt.c
@@ -0,0 +1,284 @@
+/*
+ * Copyright © 2006-2007 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ * Eric Anholt <eric@anholt.net>
+ */
+
+#include <linux/i2c.h>
+#include "drmP.h"
+#include "drm.h"
+#include "drm_crtc.h"
+#include "drm_crtc_helper.h"
+#include "intel_drv.h"
+#include "i915_drm.h"
+#include "i915_drv.h"
+
+static void intel_crt_dpms(struct drm_encoder *encoder, int mode)
+{
+ struct drm_device *dev = encoder->dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ u32 temp;
+
+ temp = I915_READ(ADPA);
+ temp &= ~(ADPA_HSYNC_CNTL_DISABLE | ADPA_VSYNC_CNTL_DISABLE);
+ temp &= ~ADPA_DAC_ENABLE;
+
+ switch(mode) {
+ case DRM_MODE_DPMS_ON:
+ temp |= ADPA_DAC_ENABLE;
+ break;
+ case DRM_MODE_DPMS_STANDBY:
+ temp |= ADPA_DAC_ENABLE | ADPA_HSYNC_CNTL_DISABLE;
+ break;
+ case DRM_MODE_DPMS_SUSPEND:
+ temp |= ADPA_DAC_ENABLE | ADPA_VSYNC_CNTL_DISABLE;
+ break;
+ case DRM_MODE_DPMS_OFF:
+ temp |= ADPA_HSYNC_CNTL_DISABLE | ADPA_VSYNC_CNTL_DISABLE;
+ break;
+ }
+
+ I915_WRITE(ADPA, temp);
+}
+
+static int intel_crt_mode_valid(struct drm_connector *connector,
+ struct drm_display_mode *mode)
+{
+ if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
+ return MODE_NO_DBLESCAN;
+
+ if (mode->clock > 400000 || mode->clock < 25000)
+ return MODE_CLOCK_RANGE;
+
+ return MODE_OK;
+}
+
+static bool intel_crt_mode_fixup(struct drm_encoder *encoder,
+ struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode)
+{
+ return true;
+}
+
+static void intel_crt_mode_set(struct drm_encoder *encoder,
+ struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode)
+{
+
+ struct drm_device *dev = encoder->dev;
+ struct drm_crtc *crtc = encoder->crtc;
+ struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ int dpll_md_reg;
+ u32 adpa, dpll_md;
+
+ if (intel_crtc->pipe == 0)
+ dpll_md_reg = DPLL_A_MD;
+ else
+ dpll_md_reg = DPLL_B_MD;
+
+ /*
+ * Disable separate mode multiplier used when cloning SDVO to CRT
+ * XXX this needs to be adjusted when we really are cloning
+ */
+ if (IS_I965G(dev)) {
+ dpll_md = I915_READ(dpll_md_reg);
+ I915_WRITE(dpll_md_reg,
+ dpll_md & ~DPLL_MD_UDI_MULTIPLIER_MASK);
+ }
+
+ adpa = 0;
+ if (adjusted_mode->flags & DRM_MODE_FLAG_PHSYNC)
+ adpa |= ADPA_HSYNC_ACTIVE_HIGH;
+ if (adjusted_mode->flags & DRM_MODE_FLAG_PVSYNC)
+ adpa |= ADPA_VSYNC_ACTIVE_HIGH;
+
+ if (intel_crtc->pipe == 0)
+ adpa |= ADPA_PIPE_A_SELECT;
+ else
+ adpa |= ADPA_PIPE_B_SELECT;
+
+ I915_WRITE(ADPA, adpa);
+}
+
+/**
+ * Uses CRT_HOTPLUG_EN and CRT_HOTPLUG_STAT to detect CRT presence.
+ *
+ * Not for i915G/i915GM
+ *
+ * \return true if CRT is connected.
+ * \return false if CRT is disconnected.
+ */
+static bool intel_crt_detect_hotplug(struct drm_connector *connector)
+{
+ struct drm_device *dev = connector->dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ u32 temp;
+
+ unsigned long timeout = jiffies + msecs_to_jiffies(1000);
+
+ temp = I915_READ(PORT_HOTPLUG_EN);
+
+ I915_WRITE(PORT_HOTPLUG_EN,
+ temp | CRT_HOTPLUG_FORCE_DETECT | (1 << 5));
+
+ do {
+ if (!(I915_READ(PORT_HOTPLUG_EN) & CRT_HOTPLUG_FORCE_DETECT))
+ break;
+ msleep(1);
+ } while (time_after(timeout, jiffies));
+
+ if ((I915_READ(PORT_HOTPLUG_STAT) & CRT_HOTPLUG_MONITOR_MASK) ==
+ CRT_HOTPLUG_MONITOR_COLOR)
+ return true;
+
+ return false;
+}
+
+static bool intel_crt_detect_ddc(struct drm_connector *connector)
+{
+ struct intel_output *intel_output = to_intel_output(connector);
+
+ /* CRT should always be at 0, but check anyway */
+ if (intel_output->type != INTEL_OUTPUT_ANALOG)
+ return false;
+
+ return intel_ddc_probe(intel_output);
+}
+
+static enum drm_connector_status intel_crt_detect(struct drm_connector *connector)
+{
+ struct drm_device *dev = connector->dev;
+
+ if (IS_I9XX(dev) && !IS_I915G(dev) && !IS_I915GM(dev)) {
+ if (intel_crt_detect_hotplug(connector))
+ return connector_status_connected;
+ else
+ return connector_status_disconnected;
+ }
+
+ if (intel_crt_detect_ddc(connector))
+ return connector_status_connected;
+
+ /* TODO use load detect */
+ return connector_status_unknown;
+}
+
+static void intel_crt_destroy(struct drm_connector *connector)
+{
+ struct intel_output *intel_output = to_intel_output(connector);
+
+ intel_i2c_destroy(intel_output->ddc_bus);
+ drm_sysfs_connector_remove(connector);
+ drm_connector_cleanup(connector);
+ kfree(connector);
+}
+
+static int intel_crt_get_modes(struct drm_connector *connector)
+{
+ struct intel_output *intel_output = to_intel_output(connector);
+ return intel_ddc_get_modes(intel_output);
+}
+
+static int intel_crt_set_property(struct drm_connector *connector,
+ struct drm_property *property,
+ uint64_t value)
+{
+ struct drm_device *dev = connector->dev;
+
+ if (property == dev->mode_config.dpms_property && connector->encoder)
+ intel_crt_dpms(connector->encoder, (uint32_t)(value & 0xf));
+
+ return 0;
+}
+
+/*
+ * Routines for controlling stuff on the analog port
+ */
+
+static const struct drm_encoder_helper_funcs intel_crt_helper_funcs = {
+ .dpms = intel_crt_dpms,
+ .mode_fixup = intel_crt_mode_fixup,
+ .prepare = intel_encoder_prepare,
+ .commit = intel_encoder_commit,
+ .mode_set = intel_crt_mode_set,
+};
+
+static const struct drm_connector_funcs intel_crt_connector_funcs = {
+ .detect = intel_crt_detect,
+ .fill_modes = drm_helper_probe_single_connector_modes,
+ .destroy = intel_crt_destroy,
+ .set_property = intel_crt_set_property,
+};
+
+static const struct drm_connector_helper_funcs intel_crt_connector_helper_funcs = {
+ .mode_valid = intel_crt_mode_valid,
+ .get_modes = intel_crt_get_modes,
+ .best_encoder = intel_best_encoder,
+};
+
+void intel_crt_enc_destroy(struct drm_encoder *encoder)
+{
+ drm_encoder_cleanup(encoder);
+}
+
+static const struct drm_encoder_funcs intel_crt_enc_funcs = {
+ .destroy = intel_crt_enc_destroy,
+};
+
+void intel_crt_init(struct drm_device *dev)
+{
+ struct drm_connector *connector;
+ struct intel_output *intel_output;
+
+ intel_output = kzalloc(sizeof(struct intel_output), GFP_KERNEL);
+ if (!intel_output)
+ return;
+
+ connector = &intel_output->base;
+ drm_connector_init(dev, &intel_output->base,
+ &intel_crt_connector_funcs, DRM_MODE_CONNECTOR_VGA);
+
+ drm_encoder_init(dev, &intel_output->enc, &intel_crt_enc_funcs,
+ DRM_MODE_ENCODER_DAC);
+
+ drm_mode_connector_attach_encoder(&intel_output->base,
+ &intel_output->enc);
+
+ /* Set up the DDC bus. */
+ intel_output->ddc_bus = intel_i2c_create(dev, GPIOA, "CRTDDC_A");
+ if (!intel_output->ddc_bus) {
+ dev_printk(KERN_ERR, &dev->pdev->dev, "DDC bus registration "
+ "failed.\n");
+ return;
+ }
+
+ intel_output->type = INTEL_OUTPUT_ANALOG;
+ connector->interlace_allowed = 0;
+ connector->doublescan_allowed = 0;
+
+ drm_encoder_helper_add(&intel_output->enc, &intel_crt_helper_funcs);
+ drm_connector_helper_add(connector, &intel_crt_connector_helper_funcs);
+
+ drm_sysfs_connector_add(connector);
+}
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
new file mode 100644
index 00000000000..96c2da5b74e
--- /dev/null
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -0,0 +1,1621 @@
+/*
+ * Copyright © 2006-2007 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ * Eric Anholt <eric@anholt.net>
+ */
+
+#include <linux/i2c.h>
+#include "drmP.h"
+#include "intel_drv.h"
+#include "i915_drm.h"
+#include "i915_drv.h"
+
+#include "drm_crtc_helper.h"
+
+bool intel_pipe_has_type (struct drm_crtc *crtc, int type);
+
+typedef struct {
+ /* given values */
+ int n;
+ int m1, m2;
+ int p1, p2;
+ /* derived values */
+ int dot;
+ int vco;
+ int m;
+ int p;
+} intel_clock_t;
+
+typedef struct {
+ int min, max;
+} intel_range_t;
+
+typedef struct {
+ int dot_limit;
+ int p2_slow, p2_fast;
+} intel_p2_t;
+
+#define INTEL_P2_NUM 2
+
+typedef struct {
+ intel_range_t dot, vco, n, m, m1, m2, p, p1;
+ intel_p2_t p2;
+} intel_limit_t;
+
+#define I8XX_DOT_MIN 25000
+#define I8XX_DOT_MAX 350000
+#define I8XX_VCO_MIN 930000
+#define I8XX_VCO_MAX 1400000
+#define I8XX_N_MIN 3
+#define I8XX_N_MAX 16
+#define I8XX_M_MIN 96
+#define I8XX_M_MAX 140
+#define I8XX_M1_MIN 18
+#define I8XX_M1_MAX 26
+#define I8XX_M2_MIN 6
+#define I8XX_M2_MAX 16
+#define I8XX_P_MIN 4
+#define I8XX_P_MAX 128
+#define I8XX_P1_MIN 2
+#define I8XX_P1_MAX 33
+#define I8XX_P1_LVDS_MIN 1
+#define I8XX_P1_LVDS_MAX 6
+#define I8XX_P2_SLOW 4
+#define I8XX_P2_FAST 2
+#define I8XX_P2_LVDS_SLOW 14
+#define I8XX_P2_LVDS_FAST 14 /* No fast option */
+#define I8XX_P2_SLOW_LIMIT 165000
+
+#define I9XX_DOT_MIN 20000
+#define I9XX_DOT_MAX 400000
+#define I9XX_VCO_MIN 1400000
+#define I9XX_VCO_MAX 2800000
+#define I9XX_N_MIN 3
+#define I9XX_N_MAX 8
+#define I9XX_M_MIN 70
+#define I9XX_M_MAX 120
+#define I9XX_M1_MIN 10
+#define I9XX_M1_MAX 20
+#define I9XX_M2_MIN 5
+#define I9XX_M2_MAX 9
+#define I9XX_P_SDVO_DAC_MIN 5
+#define I9XX_P_SDVO_DAC_MAX 80
+#define I9XX_P_LVDS_MIN 7
+#define I9XX_P_LVDS_MAX 98
+#define I9XX_P1_MIN 1
+#define I9XX_P1_MAX 8
+#define I9XX_P2_SDVO_DAC_SLOW 10
+#define I9XX_P2_SDVO_DAC_FAST 5
+#define I9XX_P2_SDVO_DAC_SLOW_LIMIT 200000
+#define I9XX_P2_LVDS_SLOW 14
+#define I9XX_P2_LVDS_FAST 7
+#define I9XX_P2_LVDS_SLOW_LIMIT 112000
+
+#define INTEL_LIMIT_I8XX_DVO_DAC 0
+#define INTEL_LIMIT_I8XX_LVDS 1
+#define INTEL_LIMIT_I9XX_SDVO_DAC 2
+#define INTEL_LIMIT_I9XX_LVDS 3
+
+static const intel_limit_t intel_limits[] = {
+ { /* INTEL_LIMIT_I8XX_DVO_DAC */
+ .dot = { .min = I8XX_DOT_MIN, .max = I8XX_DOT_MAX },
+ .vco = { .min = I8XX_VCO_MIN, .max = I8XX_VCO_MAX },
+ .n = { .min = I8XX_N_MIN, .max = I8XX_N_MAX },
+ .m = { .min = I8XX_M_MIN, .max = I8XX_M_MAX },
+ .m1 = { .min = I8XX_M1_MIN, .max = I8XX_M1_MAX },
+ .m2 = { .min = I8XX_M2_MIN, .max = I8XX_M2_MAX },
+ .p = { .min = I8XX_P_MIN, .max = I8XX_P_MAX },
+ .p1 = { .min = I8XX_P1_MIN, .max = I8XX_P1_MAX },
+ .p2 = { .dot_limit = I8XX_P2_SLOW_LIMIT,
+ .p2_slow = I8XX_P2_SLOW, .p2_fast = I8XX_P2_FAST },
+ },
+ { /* INTEL_LIMIT_I8XX_LVDS */
+ .dot = { .min = I8XX_DOT_MIN, .max = I8XX_DOT_MAX },
+ .vco = { .min = I8XX_VCO_MIN, .max = I8XX_VCO_MAX },
+ .n = { .min = I8XX_N_MIN, .max = I8XX_N_MAX },
+ .m = { .min = I8XX_M_MIN, .max = I8XX_M_MAX },
+ .m1 = { .min = I8XX_M1_MIN, .max = I8XX_M1_MAX },
+ .m2 = { .min = I8XX_M2_MIN, .max = I8XX_M2_MAX },
+ .p = { .min = I8XX_P_MIN, .max = I8XX_P_MAX },
+ .p1 = { .min = I8XX_P1_LVDS_MIN, .max = I8XX_P1_LVDS_MAX },
+ .p2 = { .dot_limit = I8XX_P2_SLOW_LIMIT,
+ .p2_slow = I8XX_P2_LVDS_SLOW, .p2_fast = I8XX_P2_LVDS_FAST },
+ },
+ { /* INTEL_LIMIT_I9XX_SDVO_DAC */
+ .dot = { .min = I9XX_DOT_MIN, .max = I9XX_DOT_MAX },
+ .vco = { .min = I9XX_VCO_MIN, .max = I9XX_VCO_MAX },
+ .n = { .min = I9XX_N_MIN, .max = I9XX_N_MAX },
+ .m = { .min = I9XX_M_MIN, .max = I9XX_M_MAX },
+ .m1 = { .min = I9XX_M1_MIN, .max = I9XX_M1_MAX },
+ .m2 = { .min = I9XX_M2_MIN, .max = I9XX_M2_MAX },
+ .p = { .min = I9XX_P_SDVO_DAC_MIN, .max = I9XX_P_SDVO_DAC_MAX },
+ .p1 = { .min = I9XX_P1_MIN, .max = I9XX_P1_MAX },
+ .p2 = { .dot_limit = I9XX_P2_SDVO_DAC_SLOW_LIMIT,
+ .p2_slow = I9XX_P2_SDVO_DAC_SLOW, .p2_fast = I9XX_P2_SDVO_DAC_FAST },
+ },
+ { /* INTEL_LIMIT_I9XX_LVDS */
+ .dot = { .min = I9XX_DOT_MIN, .max = I9XX_DOT_MAX },
+ .vco = { .min = I9XX_VCO_MIN, .max = I9XX_VCO_MAX },
+ .n = { .min = I9XX_N_MIN, .max = I9XX_N_MAX },
+ .m = { .min = I9XX_M_MIN, .max = I9XX_M_MAX },
+ .m1 = { .min = I9XX_M1_MIN, .max = I9XX_M1_MAX },
+ .m2 = { .min = I9XX_M2_MIN, .max = I9XX_M2_MAX },
+ .p = { .min = I9XX_P_LVDS_MIN, .max = I9XX_P_LVDS_MAX },
+ .p1 = { .min = I9XX_P1_MIN, .max = I9XX_P1_MAX },
+ /* The single-channel range is 25-112Mhz, and dual-channel
+ * is 80-224Mhz. Prefer single channel as much as possible.
+ */
+ .p2 = { .dot_limit = I9XX_P2_LVDS_SLOW_LIMIT,
+ .p2_slow = I9XX_P2_LVDS_SLOW, .p2_fast = I9XX_P2_LVDS_FAST },
+ },
+};
+
+static const intel_limit_t *intel_limit(struct drm_crtc *crtc)
+{
+ struct drm_device *dev = crtc->dev;
+ const intel_limit_t *limit;
+
+ if (IS_I9XX(dev)) {
+ if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS))
+ limit = &intel_limits[INTEL_LIMIT_I9XX_LVDS];
+ else
+ limit = &intel_limits[INTEL_LIMIT_I9XX_SDVO_DAC];
+ } else {
+ if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS))
+ limit = &intel_limits[INTEL_LIMIT_I8XX_LVDS];
+ else
+ limit = &intel_limits[INTEL_LIMIT_I8XX_DVO_DAC];
+ }
+ return limit;
+}
+
+/** Derive the pixel clock for the given refclk and divisors for 8xx chips. */
+
+static void i8xx_clock(int refclk, intel_clock_t *clock)
+{
+ clock->m = 5 * (clock->m1 + 2) + (clock->m2 + 2);
+ clock->p = clock->p1 * clock->p2;
+ clock->vco = refclk * clock->m / (clock->n + 2);
+ clock->dot = clock->vco / clock->p;
+}
+
+/** Derive the pixel clock for the given refclk and divisors for 9xx chips. */
+
+static void i9xx_clock(int refclk, intel_clock_t *clock)
+{
+ clock->m = 5 * (clock->m1 + 2) + (clock->m2 + 2);
+ clock->p = clock->p1 * clock->p2;
+ clock->vco = refclk * clock->m / (clock->n + 2);
+ clock->dot = clock->vco / clock->p;
+}
+
+static void intel_clock(struct drm_device *dev, int refclk,
+ intel_clock_t *clock)
+{
+ if (IS_I9XX(dev))
+ return i9xx_clock (refclk, clock);
+ else
+ return i8xx_clock (refclk, clock);
+}
+
+/**
+ * Returns whether any output on the specified pipe is of the specified type
+ */
+bool intel_pipe_has_type (struct drm_crtc *crtc, int type)
+{
+ struct drm_device *dev = crtc->dev;
+ struct drm_mode_config *mode_config = &dev->mode_config;
+ struct drm_connector *l_entry;
+
+ list_for_each_entry(l_entry, &mode_config->connector_list, head) {
+ if (l_entry->encoder &&
+ l_entry->encoder->crtc == crtc) {
+ struct intel_output *intel_output = to_intel_output(l_entry);
+ if (intel_output->type == type)
+ return true;
+ }
+ }
+ return false;
+}
+
+#define INTELPllInvalid(s) { /* ErrorF (s) */; return false; }
+/**
+ * Returns whether the given set of divisors are valid for a given refclk with
+ * the given connectors.
+ */
+
+static bool intel_PLL_is_valid(struct drm_crtc *crtc, intel_clock_t *clock)
+{
+ const intel_limit_t *limit = intel_limit (crtc);
+
+ if (clock->p1 < limit->p1.min || limit->p1.max < clock->p1)
+ INTELPllInvalid ("p1 out of range\n");
+ if (clock->p < limit->p.min || limit->p.max < clock->p)
+ INTELPllInvalid ("p out of range\n");
+ if (clock->m2 < limit->m2.min || limit->m2.max < clock->m2)
+ INTELPllInvalid ("m2 out of range\n");
+ if (clock->m1 < limit->m1.min || limit->m1.max < clock->m1)
+ INTELPllInvalid ("m1 out of range\n");
+ if (clock->m1 <= clock->m2)
+ INTELPllInvalid ("m1 <= m2\n");
+ if (clock->m < limit->m.min || limit->m.max < clock->m)
+ INTELPllInvalid ("m out of range\n");
+ if (clock->n < limit->n.min || limit->n.max < clock->n)
+ INTELPllInvalid ("n out of range\n");
+ if (clock->vco < limit->vco.min || limit->vco.max < clock->vco)
+ INTELPllInvalid ("vco out of range\n");
+ /* XXX: We may need to be checking "Dot clock" depending on the multiplier,
+ * connector, etc., rather than just a single range.
+ */
+ if (clock->dot < limit->dot.min || limit->dot.max < clock->dot)
+ INTELPllInvalid ("dot out of range\n");
+
+ return true;
+}
+
+/**
+ * Returns a set of divisors for the desired target clock with the given
+ * refclk, or FALSE. The returned values represent the clock equation:
+ * reflck * (5 * (m1 + 2) + (m2 + 2)) / (n + 2) / p1 / p2.
+ */
+static bool intel_find_best_PLL(struct drm_crtc *crtc, int target,
+ int refclk, intel_clock_t *best_clock)
+{
+ struct drm_device *dev = crtc->dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ intel_clock_t clock;
+ const intel_limit_t *limit = intel_limit(crtc);
+ int err = target;
+
+ if (IS_I9XX(dev) && intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS) &&
+ (I915_READ(LVDS) & LVDS_PORT_EN) != 0) {
+ /*
+ * For LVDS, if the panel is on, just rely on its current
+ * settings for dual-channel. We haven't figured out how to
+ * reliably set up different single/dual channel state, if we
+ * even can.
+ */
+ if ((I915_READ(LVDS) & LVDS_CLKB_POWER_MASK) ==
+ LVDS_CLKB_POWER_UP)
+ clock.p2 = limit->p2.p2_fast;
+ else
+ clock.p2 = limit->p2.p2_slow;
+ } else {
+ if (target < limit->p2.dot_limit)
+ clock.p2 = limit->p2.p2_slow;
+ else
+ clock.p2 = limit->p2.p2_fast;
+ }
+
+ memset (best_clock, 0, sizeof (*best_clock));
+
+ for (clock.m1 = limit->m1.min; clock.m1 <= limit->m1.max; clock.m1++) {
+ for (clock.m2 = limit->m2.min; clock.m2 < clock.m1 &&
+ clock.m2 <= limit->m2.max; clock.m2++) {
+ for (clock.n = limit->n.min; clock.n <= limit->n.max;
+ clock.n++) {
+ for (clock.p1 = limit->p1.min;
+ clock.p1 <= limit->p1.max; clock.p1++) {
+ int this_err;
+
+ intel_clock(dev, refclk, &clock);
+
+ if (!intel_PLL_is_valid(crtc, &clock))
+ continue;
+
+ this_err = abs(clock.dot - target);
+ if (this_err < err) {
+ *best_clock = clock;
+ err = this_err;
+ }
+ }
+ }
+ }
+ }
+
+ return (err != target);
+}
+
+void
+intel_wait_for_vblank(struct drm_device *dev)
+{
+ /* Wait for 20ms, i.e. one cycle at 50hz. */
+ udelay(20000);
+}
+
+void
+intel_pipe_set_base(struct drm_crtc *crtc, int x, int y)
+{
+ struct drm_device *dev = crtc->dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_master_private *master_priv;
+ struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+ struct intel_framebuffer *intel_fb;
+ struct drm_i915_gem_object *obj_priv;
+ struct drm_gem_object *obj;
+ int pipe = intel_crtc->pipe;
+ unsigned long Start, Offset;
+ int dspbase = (pipe == 0 ? DSPAADDR : DSPBADDR);
+ int dspsurf = (pipe == 0 ? DSPASURF : DSPBSURF);
+ int dspstride = (pipe == 0) ? DSPASTRIDE : DSPBSTRIDE;
+ int dspcntr_reg = (pipe == 0) ? DSPACNTR : DSPBCNTR;
+ u32 dspcntr;
+
+ /* no fb bound */
+ if (!crtc->fb) {
+ DRM_DEBUG("No FB bound\n");
+ return;
+ }
+
+ intel_fb = to_intel_framebuffer(crtc->fb);
+
+ obj = intel_fb->obj;
+ obj_priv = obj->driver_private;
+
+ Start = obj_priv->gtt_offset;
+ Offset = y * crtc->fb->pitch + x * (crtc->fb->bits_per_pixel / 8);
+
+ I915_WRITE(dspstride, crtc->fb->pitch);
+
+ dspcntr = I915_READ(dspcntr_reg);
+ switch (crtc->fb->bits_per_pixel) {
+ case 8:
+ dspcntr |= DISPPLANE_8BPP;
+ break;
+ case 16:
+ if (crtc->fb->depth == 15)
+ dspcntr |= DISPPLANE_15_16BPP;
+ else
+ dspcntr |= DISPPLANE_16BPP;
+ break;
+ case 24:
+ case 32:
+ dspcntr |= DISPPLANE_32BPP_NO_ALPHA;
+ break;
+ default:
+ DRM_ERROR("Unknown color depth\n");
+ return;
+ }
+ I915_WRITE(dspcntr_reg, dspcntr);
+
+ DRM_DEBUG("Writing base %08lX %08lX %d %d\n", Start, Offset, x, y);
+ if (IS_I965G(dev)) {
+ I915_WRITE(dspbase, Offset);
+ I915_READ(dspbase);
+ I915_WRITE(dspsurf, Start);
+ I915_READ(dspsurf);
+ } else {
+ I915_WRITE(dspbase, Start + Offset);
+ I915_READ(dspbase);
+ }
+
+
+ if (!dev->primary->master)
+ return;
+
+ master_priv = dev->primary->master->driver_priv;
+ if (!master_priv->sarea_priv)
+ return;
+
+ switch (pipe) {
+ case 0:
+ master_priv->sarea_priv->pipeA_x = x;
+ master_priv->sarea_priv->pipeA_y = y;
+ break;
+ case 1:
+ master_priv->sarea_priv->pipeB_x = x;
+ master_priv->sarea_priv->pipeB_y = y;
+ break;
+ default:
+ DRM_ERROR("Can't update pipe %d in SAREA\n", pipe);
+ break;
+ }
+}
+
+
+
+/**
+ * Sets the power management mode of the pipe and plane.
+ *
+ * This code should probably grow support for turning the cursor off and back
+ * on appropriately at the same time as we're turning the pipe off/on.
+ */
+static void intel_crtc_dpms(struct drm_crtc *crtc, int mode)
+{
+ struct drm_device *dev = crtc->dev;
+ struct drm_i915_master_private *master_priv;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+ int pipe = intel_crtc->pipe;
+ int dpll_reg = (pipe == 0) ? DPLL_A : DPLL_B;
+ int dspcntr_reg = (pipe == 0) ? DSPACNTR : DSPBCNTR;
+ int dspbase_reg = (pipe == 0) ? DSPAADDR : DSPBADDR;
+ int pipeconf_reg = (pipe == 0) ? PIPEACONF : PIPEBCONF;
+ u32 temp;
+ bool enabled;
+
+ /* XXX: When our outputs are all unaware of DPMS modes other than off
+ * and on, we should map those modes to DRM_MODE_DPMS_OFF in the CRTC.
+ */
+ switch (mode) {
+ case DRM_MODE_DPMS_ON:
+ case DRM_MODE_DPMS_STANDBY:
+ case DRM_MODE_DPMS_SUSPEND:
+ /* Enable the DPLL */
+ temp = I915_READ(dpll_reg);
+ if ((temp & DPLL_VCO_ENABLE) == 0) {
+ I915_WRITE(dpll_reg, temp);
+ I915_READ(dpll_reg);
+ /* Wait for the clocks to stabilize. */
+ udelay(150);
+ I915_WRITE(dpll_reg, temp | DPLL_VCO_ENABLE);
+ I915_READ(dpll_reg);
+ /* Wait for the clocks to stabilize. */
+ udelay(150);
+ I915_WRITE(dpll_reg, temp | DPLL_VCO_ENABLE);
+ I915_READ(dpll_reg);
+ /* Wait for the clocks to stabilize. */
+ udelay(150);
+ }
+
+ /* Enable the pipe */
+ temp = I915_READ(pipeconf_reg);
+ if ((temp & PIPEACONF_ENABLE) == 0)
+ I915_WRITE(pipeconf_reg, temp | PIPEACONF_ENABLE);
+
+ /* Enable the plane */
+ temp = I915_READ(dspcntr_reg);
+ if ((temp & DISPLAY_PLANE_ENABLE) == 0) {
+ I915_WRITE(dspcntr_reg, temp | DISPLAY_PLANE_ENABLE);
+ /* Flush the plane changes */
+ I915_WRITE(dspbase_reg, I915_READ(dspbase_reg));
+ }
+
+ intel_crtc_load_lut(crtc);
+
+ /* Give the overlay scaler a chance to enable if it's on this pipe */
+ //intel_crtc_dpms_video(crtc, true); TODO
+ break;
+ case DRM_MODE_DPMS_OFF:
+ /* Give the overlay scaler a chance to disable if it's on this pipe */
+ //intel_crtc_dpms_video(crtc, FALSE); TODO
+
+ /* Disable the VGA plane that we never use */
+ I915_WRITE(VGACNTRL, VGA_DISP_DISABLE);
+
+ /* Disable display plane */
+ temp = I915_READ(dspcntr_reg);
+ if ((temp & DISPLAY_PLANE_ENABLE) != 0) {
+ I915_WRITE(dspcntr_reg, temp & ~DISPLAY_PLANE_ENABLE);
+ /* Flush the plane changes */
+ I915_WRITE(dspbase_reg, I915_READ(dspbase_reg));
+ I915_READ(dspbase_reg);
+ }
+
+ if (!IS_I9XX(dev)) {
+ /* Wait for vblank for the disable to take effect */
+ intel_wait_for_vblank(dev);
+ }
+
+ /* Next, disable display pipes */
+ temp = I915_READ(pipeconf_reg);
+ if ((temp & PIPEACONF_ENABLE) != 0) {
+ I915_WRITE(pipeconf_reg, temp & ~PIPEACONF_ENABLE);
+ I915_READ(pipeconf_reg);
+ }
+
+ /* Wait for vblank for the disable to take effect. */
+ intel_wait_for_vblank(dev);
+
+ temp = I915_READ(dpll_reg);
+ if ((temp & DPLL_VCO_ENABLE) != 0) {
+ I915_WRITE(dpll_reg, temp & ~DPLL_VCO_ENABLE);
+ I915_READ(dpll_reg);
+ }
+
+ /* Wait for the clocks to turn off. */
+ udelay(150);
+ break;
+ }
+
+ if (!dev->primary->master)
+ return;
+
+ master_priv = dev->primary->master->driver_priv;
+ if (!master_priv->sarea_priv)
+ return;
+
+ enabled = crtc->enabled && mode != DRM_MODE_DPMS_OFF;
+
+ switch (pipe) {
+ case 0:
+ master_priv->sarea_priv->pipeA_w = enabled ? crtc->mode.hdisplay : 0;
+ master_priv->sarea_priv->pipeA_h = enabled ? crtc->mode.vdisplay : 0;
+ break;
+ case 1:
+ master_priv->sarea_priv->pipeB_w = enabled ? crtc->mode.hdisplay : 0;
+ master_priv->sarea_priv->pipeB_h = enabled ? crtc->mode.vdisplay : 0;
+ break;
+ default:
+ DRM_ERROR("Can't update pipe %d in SAREA\n", pipe);
+ break;
+ }
+
+ intel_crtc->dpms_mode = mode;
+}
+
+static void intel_crtc_prepare (struct drm_crtc *crtc)
+{
+ struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
+ crtc_funcs->dpms(crtc, DRM_MODE_DPMS_OFF);
+}
+
+static void intel_crtc_commit (struct drm_crtc *crtc)
+{
+ struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
+ crtc_funcs->dpms(crtc, DRM_MODE_DPMS_ON);
+}
+
+void intel_encoder_prepare (struct drm_encoder *encoder)
+{
+ struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private;
+ /* lvds has its own version of prepare see intel_lvds_prepare */
+ encoder_funcs->dpms(encoder, DRM_MODE_DPMS_OFF);
+}
+
+void intel_encoder_commit (struct drm_encoder *encoder)
+{
+ struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private;
+ /* lvds has its own version of commit see intel_lvds_commit */
+ encoder_funcs->dpms(encoder, DRM_MODE_DPMS_ON);
+}
+
+static bool intel_crtc_mode_fixup(struct drm_crtc *crtc,
+ struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode)
+{
+ return true;
+}
+
+
+/** Returns the core display clock speed for i830 - i945 */
+static int intel_get_core_clock_speed(struct drm_device *dev)
+{
+
+ /* Core clock values taken from the published datasheets.
+ * The 830 may go up to 166 Mhz, which we should check.
+ */
+ if (IS_I945G(dev))
+ return 400000;
+ else if (IS_I915G(dev))
+ return 333000;
+ else if (IS_I945GM(dev) || IS_845G(dev))
+ return 200000;
+ else if (IS_I915GM(dev)) {
+ u16 gcfgc = 0;
+
+ pci_read_config_word(dev->pdev, GCFGC, &gcfgc);
+
+ if (gcfgc & GC_LOW_FREQUENCY_ENABLE)
+ return 133000;
+ else {
+ switch (gcfgc & GC_DISPLAY_CLOCK_MASK) {
+ case GC_DISPLAY_CLOCK_333_MHZ:
+ return 333000;
+ default:
+ case GC_DISPLAY_CLOCK_190_200_MHZ:
+ return 190000;
+ }
+ }
+ } else if (IS_I865G(dev))
+ return 266000;
+ else if (IS_I855(dev)) {
+ u16 hpllcc = 0;
+ /* Assume that the hardware is in the high speed state. This
+ * should be the default.
+ */
+ switch (hpllcc & GC_CLOCK_CONTROL_MASK) {
+ case GC_CLOCK_133_200:
+ case GC_CLOCK_100_200:
+ return 200000;
+ case GC_CLOCK_166_250:
+ return 250000;
+ case GC_CLOCK_100_133:
+ return 133000;
+ }
+ } else /* 852, 830 */
+ return 133000;
+
+ return 0; /* Silence gcc warning */
+}
+
+
+/**
+ * Return the pipe currently connected to the panel fitter,
+ * or -1 if the panel fitter is not present or not in use
+ */
+static int intel_panel_fitter_pipe (struct drm_device *dev)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ u32 pfit_control;
+
+ /* i830 doesn't have a panel fitter */
+ if (IS_I830(dev))
+ return -1;
+
+ pfit_control = I915_READ(PFIT_CONTROL);
+
+ /* See if the panel fitter is in use */
+ if ((pfit_control & PFIT_ENABLE) == 0)
+ return -1;
+
+ /* 965 can place panel fitter on either pipe */
+ if (IS_I965G(dev))
+ return (pfit_control >> 29) & 0x3;
+
+ /* older chips can only use pipe 1 */
+ return 1;
+}
+
+static void intel_crtc_mode_set(struct drm_crtc *crtc,
+ struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode,
+ int x, int y)
+{
+ struct drm_device *dev = crtc->dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+ int pipe = intel_crtc->pipe;
+ int fp_reg = (pipe == 0) ? FPA0 : FPB0;
+ int dpll_reg = (pipe == 0) ? DPLL_A : DPLL_B;
+ int dpll_md_reg = (intel_crtc->pipe == 0) ? DPLL_A_MD : DPLL_B_MD;
+ int dspcntr_reg = (pipe == 0) ? DSPACNTR : DSPBCNTR;
+ int pipeconf_reg = (pipe == 0) ? PIPEACONF : PIPEBCONF;
+ int htot_reg = (pipe == 0) ? HTOTAL_A : HTOTAL_B;
+ int hblank_reg = (pipe == 0) ? HBLANK_A : HBLANK_B;
+ int hsync_reg = (pipe == 0) ? HSYNC_A : HSYNC_B;
+ int vtot_reg = (pipe == 0) ? VTOTAL_A : VTOTAL_B;
+ int vblank_reg = (pipe == 0) ? VBLANK_A : VBLANK_B;
+ int vsync_reg = (pipe == 0) ? VSYNC_A : VSYNC_B;
+ int dspsize_reg = (pipe == 0) ? DSPASIZE : DSPBSIZE;
+ int dsppos_reg = (pipe == 0) ? DSPAPOS : DSPBPOS;
+ int pipesrc_reg = (pipe == 0) ? PIPEASRC : PIPEBSRC;
+ int refclk;
+ intel_clock_t clock;
+ u32 dpll = 0, fp = 0, dspcntr, pipeconf;
+ bool ok, is_sdvo = false, is_dvo = false;
+ bool is_crt = false, is_lvds = false, is_tv = false;
+ struct drm_mode_config *mode_config = &dev->mode_config;
+ struct drm_connector *connector;
+
+ drm_vblank_pre_modeset(dev, pipe);
+
+ list_for_each_entry(connector, &mode_config->connector_list, head) {
+ struct intel_output *intel_output = to_intel_output(connector);
+
+ if (!connector->encoder || connector->encoder->crtc != crtc)
+ continue;
+
+ switch (intel_output->type) {
+ case INTEL_OUTPUT_LVDS:
+ is_lvds = true;
+ break;
+ case INTEL_OUTPUT_SDVO:
+ is_sdvo = true;
+ break;
+ case INTEL_OUTPUT_DVO:
+ is_dvo = true;
+ break;
+ case INTEL_OUTPUT_TVOUT:
+ is_tv = true;
+ break;
+ case INTEL_OUTPUT_ANALOG:
+ is_crt = true;
+ break;
+ }
+ }
+
+ if (IS_I9XX(dev)) {
+ refclk = 96000;
+ } else {
+ refclk = 48000;
+ }
+
+ ok = intel_find_best_PLL(crtc, adjusted_mode->clock, refclk, &clock);
+ if (!ok) {
+ DRM_ERROR("Couldn't find PLL settings for mode!\n");
+ return;
+ }
+
+ fp = clock.n << 16 | clock.m1 << 8 | clock.m2;
+
+ dpll = DPLL_VGA_MODE_DIS;
+ if (IS_I9XX(dev)) {
+ if (is_lvds)
+ dpll |= DPLLB_MODE_LVDS;
+ else
+ dpll |= DPLLB_MODE_DAC_SERIAL;
+ if (is_sdvo) {
+ dpll |= DPLL_DVO_HIGH_SPEED;
+ if (IS_I945G(dev) || IS_I945GM(dev)) {
+ int sdvo_pixel_multiply = adjusted_mode->clock / mode->clock;
+ dpll |= (sdvo_pixel_multiply - 1) << SDVO_MULTIPLIER_SHIFT_HIRES;
+ }
+ }
+
+ /* compute bitmask from p1 value */
+ dpll |= (1 << (clock.p1 - 1)) << 16;
+ switch (clock.p2) {
+ case 5:
+ dpll |= DPLL_DAC_SERIAL_P2_CLOCK_DIV_5;
+ break;
+ case 7:
+ dpll |= DPLLB_LVDS_P2_CLOCK_DIV_7;
+ break;
+ case 10:
+ dpll |= DPLL_DAC_SERIAL_P2_CLOCK_DIV_10;
+ break;
+ case 14:
+ dpll |= DPLLB_LVDS_P2_CLOCK_DIV_14;
+ break;
+ }
+ if (IS_I965G(dev))
+ dpll |= (6 << PLL_LOAD_PULSE_PHASE_SHIFT);
+ } else {
+ if (is_lvds) {
+ dpll |= (1 << (clock.p1 - 1)) << DPLL_FPA01_P1_POST_DIV_SHIFT;
+ } else {
+ if (clock.p1 == 2)
+ dpll |= PLL_P1_DIVIDE_BY_TWO;
+ else
+ dpll |= (clock.p1 - 2) << DPLL_FPA01_P1_POST_DIV_SHIFT;
+ if (clock.p2 == 4)
+ dpll |= PLL_P2_DIVIDE_BY_4;
+ }
+ }
+
+ if (is_tv) {
+ /* XXX: just matching BIOS for now */
+/* dpll |= PLL_REF_INPUT_TVCLKINBC; */
+ dpll |= 3;
+ }
+ else
+ dpll |= PLL_REF_INPUT_DREFCLK;
+
+ /* setup pipeconf */
+ pipeconf = I915_READ(pipeconf_reg);
+
+ /* Set up the display plane register */
+ dspcntr = DISPPLANE_GAMMA_ENABLE;
+
+ if (pipe == 0)
+ dspcntr |= DISPPLANE_SEL_PIPE_A;
+ else
+ dspcntr |= DISPPLANE_SEL_PIPE_B;
+
+ if (pipe == 0 && !IS_I965G(dev)) {
+ /* Enable pixel doubling when the dot clock is > 90% of the (display)
+ * core speed.
+ *
+ * XXX: No double-wide on 915GM pipe B. Is that the only reason for the
+ * pipe == 0 check?
+ */
+ if (mode->clock > intel_get_core_clock_speed(dev) * 9 / 10)
+ pipeconf |= PIPEACONF_DOUBLE_WIDE;
+ else
+ pipeconf &= ~PIPEACONF_DOUBLE_WIDE;
+ }
+
+ dspcntr |= DISPLAY_PLANE_ENABLE;
+ pipeconf |= PIPEACONF_ENABLE;
+ dpll |= DPLL_VCO_ENABLE;
+
+
+ /* Disable the panel fitter if it was on our pipe */
+ if (intel_panel_fitter_pipe(dev) == pipe)
+ I915_WRITE(PFIT_CONTROL, 0);
+
+ DRM_DEBUG("Mode for pipe %c:\n", pipe == 0 ? 'A' : 'B');
+ drm_mode_debug_printmodeline(mode);
+
+
+ if (dpll & DPLL_VCO_ENABLE) {
+ I915_WRITE(fp_reg, fp);
+ I915_WRITE(dpll_reg, dpll & ~DPLL_VCO_ENABLE);
+ I915_READ(dpll_reg);
+ udelay(150);
+ }
+
+ /* The LVDS pin pair needs to be on before the DPLLs are enabled.
+ * This is an exception to the general rule that mode_set doesn't turn
+ * things on.
+ */
+ if (is_lvds) {
+ u32 lvds = I915_READ(LVDS);
+
+ lvds |= LVDS_PORT_EN | LVDS_A0A2_CLKA_POWER_UP | LVDS_PIPEB_SELECT;
+ /* Set the B0-B3 data pairs corresponding to whether we're going to
+ * set the DPLLs for dual-channel mode or not.
+ */
+ if (clock.p2 == 7)
+ lvds |= LVDS_B0B3_POWER_UP | LVDS_CLKB_POWER_UP;
+ else
+ lvds &= ~(LVDS_B0B3_POWER_UP | LVDS_CLKB_POWER_UP);
+
+ /* It would be nice to set 24 vs 18-bit mode (LVDS_A3_POWER_UP)
+ * appropriately here, but we need to look more thoroughly into how
+ * panels behave in the two modes.
+ */
+
+ I915_WRITE(LVDS, lvds);
+ I915_READ(LVDS);
+ }
+
+ I915_WRITE(fp_reg, fp);
+ I915_WRITE(dpll_reg, dpll);
+ I915_READ(dpll_reg);
+ /* Wait for the clocks to stabilize. */
+ udelay(150);
+
+ if (IS_I965G(dev)) {
+ int sdvo_pixel_multiply = adjusted_mode->clock / mode->clock;
+ I915_WRITE(dpll_md_reg, (0 << DPLL_MD_UDI_DIVIDER_SHIFT) |
+ ((sdvo_pixel_multiply - 1) << DPLL_MD_UDI_MULTIPLIER_SHIFT));
+ } else {
+ /* write it again -- the BIOS does, after all */
+ I915_WRITE(dpll_reg, dpll);
+ }
+ I915_READ(dpll_reg);
+ /* Wait for the clocks to stabilize. */
+ udelay(150);
+
+ I915_WRITE(htot_reg, (adjusted_mode->crtc_hdisplay - 1) |
+ ((adjusted_mode->crtc_htotal - 1) << 16));
+ I915_WRITE(hblank_reg, (adjusted_mode->crtc_hblank_start - 1) |
+ ((adjusted_mode->crtc_hblank_end - 1) << 16));
+ I915_WRITE(hsync_reg, (adjusted_mode->crtc_hsync_start - 1) |
+ ((adjusted_mode->crtc_hsync_end - 1) << 16));
+ I915_WRITE(vtot_reg, (adjusted_mode->crtc_vdisplay - 1) |
+ ((adjusted_mode->crtc_vtotal - 1) << 16));
+ I915_WRITE(vblank_reg, (adjusted_mode->crtc_vblank_start - 1) |
+ ((adjusted_mode->crtc_vblank_end - 1) << 16));
+ I915_WRITE(vsync_reg, (adjusted_mode->crtc_vsync_start - 1) |
+ ((adjusted_mode->crtc_vsync_end - 1) << 16));
+ /* pipesrc and dspsize control the size that is scaled from, which should
+ * always be the user's requested size.
+ */
+ I915_WRITE(dspsize_reg, ((mode->vdisplay - 1) << 16) | (mode->hdisplay - 1));
+ I915_WRITE(dsppos_reg, 0);
+ I915_WRITE(pipesrc_reg, ((mode->hdisplay - 1) << 16) | (mode->vdisplay - 1));
+ I915_WRITE(pipeconf_reg, pipeconf);
+ I915_READ(pipeconf_reg);
+
+ intel_wait_for_vblank(dev);
+
+ I915_WRITE(dspcntr_reg, dspcntr);
+
+ /* Flush the plane changes */
+ intel_pipe_set_base(crtc, x, y);
+
+ intel_wait_for_vblank(dev);
+
+ drm_vblank_post_modeset(dev, pipe);
+}
+
+/** Loads the palette/gamma unit for the CRTC with the prepared values */
+void intel_crtc_load_lut(struct drm_crtc *crtc)
+{
+ struct drm_device *dev = crtc->dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+ int palreg = (intel_crtc->pipe == 0) ? PALETTE_A : PALETTE_B;
+ int i;
+
+ /* The clocks have to be on to load the palette. */
+ if (!crtc->enabled)
+ return;
+
+ for (i = 0; i < 256; i++) {
+ I915_WRITE(palreg + 4 * i,
+ (intel_crtc->lut_r[i] << 16) |
+ (intel_crtc->lut_g[i] << 8) |
+ intel_crtc->lut_b[i]);
+ }
+}
+
+static int intel_crtc_cursor_set(struct drm_crtc *crtc,
+ struct drm_file *file_priv,
+ uint32_t handle,
+ uint32_t width, uint32_t height)
+{
+ struct drm_device *dev = crtc->dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+ struct drm_gem_object *bo;
+ struct drm_i915_gem_object *obj_priv;
+ int pipe = intel_crtc->pipe;
+ uint32_t control = (pipe == 0) ? CURACNTR : CURBCNTR;
+ uint32_t base = (pipe == 0) ? CURABASE : CURBBASE;
+ uint32_t temp;
+ size_t addr;
+
+ DRM_DEBUG("\n");
+
+ /* if we want to turn off the cursor ignore width and height */
+ if (!handle) {
+ DRM_DEBUG("cursor off\n");
+ /* turn of the cursor */
+ temp = 0;
+ temp |= CURSOR_MODE_DISABLE;
+
+ I915_WRITE(control, temp);
+ I915_WRITE(base, 0);
+ return 0;
+ }
+
+ /* Currently we only support 64x64 cursors */
+ if (width != 64 || height != 64) {
+ DRM_ERROR("we currently only support 64x64 cursors\n");
+ return -EINVAL;
+ }
+
+ bo = drm_gem_object_lookup(dev, file_priv, handle);
+ if (!bo)
+ return -ENOENT;
+
+ obj_priv = bo->driver_private;
+
+ if (bo->size < width * height * 4) {
+ DRM_ERROR("buffer is to small\n");
+ drm_gem_object_unreference(bo);
+ return -ENOMEM;
+ }
+
+ if (dev_priv->cursor_needs_physical) {
+ addr = dev->agp->base + obj_priv->gtt_offset;
+ } else {
+ addr = obj_priv->gtt_offset;
+ }
+
+ intel_crtc->cursor_addr = addr;
+ temp = 0;
+ /* set the pipe for the cursor */
+ temp |= (pipe << 28);
+ temp |= CURSOR_MODE_64_ARGB_AX | MCURSOR_GAMMA_ENABLE;
+
+ I915_WRITE(control, temp);
+ I915_WRITE(base, addr);
+
+ return 0;
+}
+
+static int intel_crtc_cursor_move(struct drm_crtc *crtc, int x, int y)
+{
+ struct drm_device *dev = crtc->dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+ int pipe = intel_crtc->pipe;
+ uint32_t temp = 0;
+ uint32_t adder;
+
+ if (x < 0) {
+ temp |= (CURSOR_POS_SIGN << CURSOR_X_SHIFT);
+ x = -x;
+ }
+ if (y < 0) {
+ temp |= (CURSOR_POS_SIGN << CURSOR_Y_SHIFT);
+ y = -y;
+ }
+
+ temp |= ((x & CURSOR_POS_MASK) << CURSOR_X_SHIFT);
+ temp |= ((y & CURSOR_POS_MASK) << CURSOR_Y_SHIFT);
+
+ adder = intel_crtc->cursor_addr;
+ I915_WRITE((pipe == 0) ? CURAPOS : CURBPOS, temp);
+ I915_WRITE((pipe == 0) ? CURABASE : CURBBASE, adder);
+
+ return 0;
+}
+
+/** Sets the color ramps on behalf of RandR */
+void intel_crtc_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green,
+ u16 blue, int regno)
+{
+ struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+
+ intel_crtc->lut_r[regno] = red >> 8;
+ intel_crtc->lut_g[regno] = green >> 8;
+ intel_crtc->lut_b[regno] = blue >> 8;
+}
+
+static void intel_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green,
+ u16 *blue, uint32_t size)
+{
+ struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+ int i;
+
+ if (size != 256)
+ return;
+
+ for (i = 0; i < 256; i++) {
+ intel_crtc->lut_r[i] = red[i] >> 8;
+ intel_crtc->lut_g[i] = green[i] >> 8;
+ intel_crtc->lut_b[i] = blue[i] >> 8;
+ }
+
+ intel_crtc_load_lut(crtc);
+}
+
+/**
+ * Get a pipe with a simple mode set on it for doing load-based monitor
+ * detection.
+ *
+ * It will be up to the load-detect code to adjust the pipe as appropriate for
+ * its requirements. The pipe will be connected to no other outputs.
+ *
+ * Currently this code will only succeed if there is a pipe with no outputs
+ * configured for it. In the future, it could choose to temporarily disable
+ * some outputs to free up a pipe for its use.
+ *
+ * \return crtc, or NULL if no pipes are available.
+ */
+
+/* VESA 640x480x72Hz mode to set on the pipe */
+static struct drm_display_mode load_detect_mode = {
+ DRM_MODE("640x480", DRM_MODE_TYPE_DEFAULT, 31500, 640, 664,
+ 704, 832, 0, 480, 489, 491, 520, 0, DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
+};
+
+struct drm_crtc *intel_get_load_detect_pipe(struct intel_output *intel_output,
+ struct drm_display_mode *mode,
+ int *dpms_mode)
+{
+ struct intel_crtc *intel_crtc;
+ struct drm_crtc *possible_crtc;
+ struct drm_crtc *supported_crtc =NULL;
+ struct drm_encoder *encoder = &intel_output->enc;
+ struct drm_crtc *crtc = NULL;
+ struct drm_device *dev = encoder->dev;
+ struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private;
+ struct drm_crtc_helper_funcs *crtc_funcs;
+ int i = -1;
+
+ /*
+ * Algorithm gets a little messy:
+ * - if the connector already has an assigned crtc, use it (but make
+ * sure it's on first)
+ * - try to find the first unused crtc that can drive this connector,
+ * and use that if we find one
+ * - if there are no unused crtcs available, try to use the first
+ * one we found that supports the connector
+ */
+
+ /* See if we already have a CRTC for this connector */
+ if (encoder->crtc) {
+ crtc = encoder->crtc;
+ /* Make sure the crtc and connector are running */
+ intel_crtc = to_intel_crtc(crtc);
+ *dpms_mode = intel_crtc->dpms_mode;
+ if (intel_crtc->dpms_mode != DRM_MODE_DPMS_ON) {
+ crtc_funcs = crtc->helper_private;
+ crtc_funcs->dpms(crtc, DRM_MODE_DPMS_ON);
+ encoder_funcs->dpms(encoder, DRM_MODE_DPMS_ON);
+ }
+ return crtc;
+ }
+
+ /* Find an unused one (if possible) */
+ list_for_each_entry(possible_crtc, &dev->mode_config.crtc_list, head) {
+ i++;
+ if (!(encoder->possible_crtcs & (1 << i)))
+ continue;
+ if (!possible_crtc->enabled) {
+ crtc = possible_crtc;
+ break;
+ }
+ if (!supported_crtc)
+ supported_crtc = possible_crtc;
+ }
+
+ /*
+ * If we didn't find an unused CRTC, don't use any.
+ */
+ if (!crtc) {
+ return NULL;
+ }
+
+ encoder->crtc = crtc;
+ intel_output->load_detect_temp = true;
+
+ intel_crtc = to_intel_crtc(crtc);
+ *dpms_mode = intel_crtc->dpms_mode;
+
+ if (!crtc->enabled) {
+ if (!mode)
+ mode = &load_detect_mode;
+ drm_crtc_helper_set_mode(crtc, mode, 0, 0);
+ } else {
+ if (intel_crtc->dpms_mode != DRM_MODE_DPMS_ON) {
+ crtc_funcs = crtc->helper_private;
+ crtc_funcs->dpms(crtc, DRM_MODE_DPMS_ON);
+ }
+
+ /* Add this connector to the crtc */
+ encoder_funcs->mode_set(encoder, &crtc->mode, &crtc->mode);
+ encoder_funcs->commit(encoder);
+ }
+ /* let the connector get through one full cycle before testing */
+ intel_wait_for_vblank(dev);
+
+ return crtc;
+}
+
+void intel_release_load_detect_pipe(struct intel_output *intel_output, int dpms_mode)
+{
+ struct drm_encoder *encoder = &intel_output->enc;
+ struct drm_device *dev = encoder->dev;
+ struct drm_crtc *crtc = encoder->crtc;
+ struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private;
+ struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
+
+ if (intel_output->load_detect_temp) {
+ encoder->crtc = NULL;
+ intel_output->load_detect_temp = false;
+ crtc->enabled = drm_helper_crtc_in_use(crtc);
+ drm_helper_disable_unused_functions(dev);
+ }
+
+ /* Switch crtc and output back off if necessary */
+ if (crtc->enabled && dpms_mode != DRM_MODE_DPMS_ON) {
+ if (encoder->crtc == crtc)
+ encoder_funcs->dpms(encoder, dpms_mode);
+ crtc_funcs->dpms(crtc, dpms_mode);
+ }
+}
+
+/* Returns the clock of the currently programmed mode of the given pipe. */
+static int intel_crtc_clock_get(struct drm_device *dev, struct drm_crtc *crtc)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+ int pipe = intel_crtc->pipe;
+ u32 dpll = I915_READ((pipe == 0) ? DPLL_A : DPLL_B);
+ u32 fp;
+ intel_clock_t clock;
+
+ if ((dpll & DISPLAY_RATE_SELECT_FPA1) == 0)
+ fp = I915_READ((pipe == 0) ? FPA0 : FPB0);
+ else
+ fp = I915_READ((pipe == 0) ? FPA1 : FPB1);
+
+ clock.m1 = (fp & FP_M1_DIV_MASK) >> FP_M1_DIV_SHIFT;
+ clock.m2 = (fp & FP_M2_DIV_MASK) >> FP_M2_DIV_SHIFT;
+ clock.n = (fp & FP_N_DIV_MASK) >> FP_N_DIV_SHIFT;
+ if (IS_I9XX(dev)) {
+ clock.p1 = ffs((dpll & DPLL_FPA01_P1_POST_DIV_MASK) >>
+ DPLL_FPA01_P1_POST_DIV_SHIFT);
+
+ switch (dpll & DPLL_MODE_MASK) {
+ case DPLLB_MODE_DAC_SERIAL:
+ clock.p2 = dpll & DPLL_DAC_SERIAL_P2_CLOCK_DIV_5 ?
+ 5 : 10;
+ break;
+ case DPLLB_MODE_LVDS:
+ clock.p2 = dpll & DPLLB_LVDS_P2_CLOCK_DIV_7 ?
+ 7 : 14;
+ break;
+ default:
+ DRM_DEBUG("Unknown DPLL mode %08x in programmed "
+ "mode\n", (int)(dpll & DPLL_MODE_MASK));
+ return 0;
+ }
+
+ /* XXX: Handle the 100Mhz refclk */
+ i9xx_clock(96000, &clock);
+ } else {
+ bool is_lvds = (pipe == 1) && (I915_READ(LVDS) & LVDS_PORT_EN);
+
+ if (is_lvds) {
+ clock.p1 = ffs((dpll & DPLL_FPA01_P1_POST_DIV_MASK_I830_LVDS) >>
+ DPLL_FPA01_P1_POST_DIV_SHIFT);
+ clock.p2 = 14;
+
+ if ((dpll & PLL_REF_INPUT_MASK) ==
+ PLLB_REF_INPUT_SPREADSPECTRUMIN) {
+ /* XXX: might not be 66MHz */
+ i8xx_clock(66000, &clock);
+ } else
+ i8xx_clock(48000, &clock);
+ } else {
+ if (dpll & PLL_P1_DIVIDE_BY_TWO)
+ clock.p1 = 2;
+ else {
+ clock.p1 = ((dpll & DPLL_FPA01_P1_POST_DIV_MASK_I830) >>
+ DPLL_FPA01_P1_POST_DIV_SHIFT) + 2;
+ }
+ if (dpll & PLL_P2_DIVIDE_BY_4)
+ clock.p2 = 4;
+ else
+ clock.p2 = 2;
+
+ i8xx_clock(48000, &clock);
+ }
+ }
+
+ /* XXX: It would be nice to validate the clocks, but we can't reuse
+ * i830PllIsValid() because it relies on the xf86_config connector
+ * configuration being accurate, which it isn't necessarily.
+ */
+
+ return clock.dot;
+}
+
+/** Returns the currently programmed mode of the given pipe. */
+struct drm_display_mode *intel_crtc_mode_get(struct drm_device *dev,
+ struct drm_crtc *crtc)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+ int pipe = intel_crtc->pipe;
+ struct drm_display_mode *mode;
+ int htot = I915_READ((pipe == 0) ? HTOTAL_A : HTOTAL_B);
+ int hsync = I915_READ((pipe == 0) ? HSYNC_A : HSYNC_B);
+ int vtot = I915_READ((pipe == 0) ? VTOTAL_A : VTOTAL_B);
+ int vsync = I915_READ((pipe == 0) ? VSYNC_A : VSYNC_B);
+
+ mode = kzalloc(sizeof(*mode), GFP_KERNEL);
+ if (!mode)
+ return NULL;
+
+ mode->clock = intel_crtc_clock_get(dev, crtc);
+ mode->hdisplay = (htot & 0xffff) + 1;
+ mode->htotal = ((htot & 0xffff0000) >> 16) + 1;
+ mode->hsync_start = (hsync & 0xffff) + 1;
+ mode->hsync_end = ((hsync & 0xffff0000) >> 16) + 1;
+ mode->vdisplay = (vtot & 0xffff) + 1;
+ mode->vtotal = ((vtot & 0xffff0000) >> 16) + 1;
+ mode->vsync_start = (vsync & 0xffff) + 1;
+ mode->vsync_end = ((vsync & 0xffff0000) >> 16) + 1;
+
+ drm_mode_set_name(mode);
+ drm_mode_set_crtcinfo(mode, 0);
+
+ return mode;
+}
+
+static void intel_crtc_destroy(struct drm_crtc *crtc)
+{
+ struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+
+ drm_crtc_cleanup(crtc);
+ kfree(intel_crtc);
+}
+
+static const struct drm_crtc_helper_funcs intel_helper_funcs = {
+ .dpms = intel_crtc_dpms,
+ .mode_fixup = intel_crtc_mode_fixup,
+ .mode_set = intel_crtc_mode_set,
+ .mode_set_base = intel_pipe_set_base,
+ .prepare = intel_crtc_prepare,
+ .commit = intel_crtc_commit,
+};
+
+static const struct drm_crtc_funcs intel_crtc_funcs = {
+ .cursor_set = intel_crtc_cursor_set,
+ .cursor_move = intel_crtc_cursor_move,
+ .gamma_set = intel_crtc_gamma_set,
+ .set_config = drm_crtc_helper_set_config,
+ .destroy = intel_crtc_destroy,
+};
+
+
+void intel_crtc_init(struct drm_device *dev, int pipe)
+{
+ struct intel_crtc *intel_crtc;
+ int i;
+
+ intel_crtc = kzalloc(sizeof(struct intel_crtc) + (INTELFB_CONN_LIMIT * sizeof(struct drm_connector *)), GFP_KERNEL);
+ if (intel_crtc == NULL)
+ return;
+
+ drm_crtc_init(dev, &intel_crtc->base, &intel_crtc_funcs);
+
+ drm_mode_crtc_set_gamma_size(&intel_crtc->base, 256);
+ intel_crtc->pipe = pipe;
+ for (i = 0; i < 256; i++) {
+ intel_crtc->lut_r[i] = i;
+ intel_crtc->lut_g[i] = i;
+ intel_crtc->lut_b[i] = i;
+ }
+
+ intel_crtc->cursor_addr = 0;
+ intel_crtc->dpms_mode = DRM_MODE_DPMS_OFF;
+ drm_crtc_helper_add(&intel_crtc->base, &intel_helper_funcs);
+
+ intel_crtc->mode_set.crtc = &intel_crtc->base;
+ intel_crtc->mode_set.connectors = (struct drm_connector **)(intel_crtc + 1);
+ intel_crtc->mode_set.num_connectors = 0;
+
+ if (i915_fbpercrtc) {
+
+
+
+ }
+}
+
+struct drm_crtc *intel_get_crtc_from_pipe(struct drm_device *dev, int pipe)
+{
+ struct drm_crtc *crtc = NULL;
+
+ list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
+ struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+ if (intel_crtc->pipe == pipe)
+ break;
+ }
+ return crtc;
+}
+
+int intel_connector_clones(struct drm_device *dev, int type_mask)
+{
+ int index_mask = 0;
+ struct drm_connector *connector;
+ int entry = 0;
+
+ list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
+ struct intel_output *intel_output = to_intel_output(connector);
+ if (type_mask & (1 << intel_output->type))
+ index_mask |= (1 << entry);
+ entry++;
+ }
+ return index_mask;
+}
+
+
+static void intel_setup_outputs(struct drm_device *dev)
+{
+ struct drm_connector *connector;
+
+ intel_crt_init(dev);
+
+ /* Set up integrated LVDS */
+ if (IS_MOBILE(dev) && !IS_I830(dev))
+ intel_lvds_init(dev);
+
+ if (IS_I9XX(dev)) {
+ intel_sdvo_init(dev, SDVOB);
+ intel_sdvo_init(dev, SDVOC);
+ } else
+ intel_dvo_init(dev);
+
+ if (IS_I9XX(dev) && !IS_I915G(dev))
+ intel_tv_init(dev);
+
+ list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
+ struct intel_output *intel_output = to_intel_output(connector);
+ struct drm_encoder *encoder = &intel_output->enc;
+ int crtc_mask = 0, clone_mask = 0;
+
+ /* valid crtcs */
+ switch(intel_output->type) {
+ case INTEL_OUTPUT_DVO:
+ case INTEL_OUTPUT_SDVO:
+ crtc_mask = ((1 << 0)|
+ (1 << 1));
+ clone_mask = ((1 << INTEL_OUTPUT_ANALOG) |
+ (1 << INTEL_OUTPUT_DVO) |
+ (1 << INTEL_OUTPUT_SDVO));
+ break;
+ case INTEL_OUTPUT_ANALOG:
+ crtc_mask = ((1 << 0)|
+ (1 << 1));
+ clone_mask = ((1 << INTEL_OUTPUT_ANALOG) |
+ (1 << INTEL_OUTPUT_DVO) |
+ (1 << INTEL_OUTPUT_SDVO));
+ break;
+ case INTEL_OUTPUT_LVDS:
+ crtc_mask = (1 << 1);
+ clone_mask = (1 << INTEL_OUTPUT_LVDS);
+ break;
+ case INTEL_OUTPUT_TVOUT:
+ crtc_mask = ((1 << 0) |
+ (1 << 1));
+ clone_mask = (1 << INTEL_OUTPUT_TVOUT);
+ break;
+ }
+ encoder->possible_crtcs = crtc_mask;
+ encoder->possible_clones = intel_connector_clones(dev, clone_mask);
+ }
+}
+
+static void intel_user_framebuffer_destroy(struct drm_framebuffer *fb)
+{
+ struct intel_framebuffer *intel_fb = to_intel_framebuffer(fb);
+ struct drm_device *dev = fb->dev;
+
+ if (fb->fbdev)
+ intelfb_remove(dev, fb);
+
+ drm_framebuffer_cleanup(fb);
+ mutex_lock(&dev->struct_mutex);
+ drm_gem_object_unreference(intel_fb->obj);
+ mutex_unlock(&dev->struct_mutex);
+
+ kfree(intel_fb);
+}
+
+static int intel_user_framebuffer_create_handle(struct drm_framebuffer *fb,
+ struct drm_file *file_priv,
+ unsigned int *handle)
+{
+ struct intel_framebuffer *intel_fb = to_intel_framebuffer(fb);
+ struct drm_gem_object *object = intel_fb->obj;
+
+ return drm_gem_handle_create(file_priv, object, handle);
+}
+
+static const struct drm_framebuffer_funcs intel_fb_funcs = {
+ .destroy = intel_user_framebuffer_destroy,
+ .create_handle = intel_user_framebuffer_create_handle,
+};
+
+int intel_framebuffer_create(struct drm_device *dev,
+ struct drm_mode_fb_cmd *mode_cmd,
+ struct drm_framebuffer **fb,
+ struct drm_gem_object *obj)
+{
+ struct intel_framebuffer *intel_fb;
+ int ret;
+
+ intel_fb = kzalloc(sizeof(*intel_fb), GFP_KERNEL);
+ if (!intel_fb)
+ return -ENOMEM;
+
+ ret = drm_framebuffer_init(dev, &intel_fb->base, &intel_fb_funcs);
+ if (ret) {
+ DRM_ERROR("framebuffer init failed %d\n", ret);
+ return ret;
+ }
+
+ drm_helper_mode_fill_fb_struct(&intel_fb->base, mode_cmd);
+
+ intel_fb->obj = obj;
+
+ *fb = &intel_fb->base;
+
+ return 0;
+}
+
+
+static struct drm_framebuffer *
+intel_user_framebuffer_create(struct drm_device *dev,
+ struct drm_file *filp,
+ struct drm_mode_fb_cmd *mode_cmd)
+{
+ struct drm_gem_object *obj;
+ struct drm_framebuffer *fb;
+ int ret;
+
+ obj = drm_gem_object_lookup(dev, filp, mode_cmd->handle);
+ if (!obj)
+ return NULL;
+
+ ret = intel_framebuffer_create(dev, mode_cmd, &fb, obj);
+ if (ret) {
+ drm_gem_object_unreference(obj);
+ return NULL;
+ }
+
+ return fb;
+}
+
+static int intel_insert_new_fb(struct drm_device *dev,
+ struct drm_file *file_priv,
+ struct drm_framebuffer *fb,
+ struct drm_mode_fb_cmd *mode_cmd)
+{
+ struct intel_framebuffer *intel_fb;
+ struct drm_gem_object *obj;
+ struct drm_crtc *crtc;
+
+ intel_fb = to_intel_framebuffer(fb);
+
+ obj = drm_gem_object_lookup(dev, file_priv, mode_cmd->handle);
+
+ if (!obj)
+ return -EINVAL;
+
+ intel_fb->obj = obj;
+ drm_gem_object_unreference(intel_fb->obj);
+ drm_helper_mode_fill_fb_struct(fb, mode_cmd);
+ mutex_unlock(&dev->struct_mutex);
+
+ list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
+ if (crtc->fb == fb) {
+ struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
+ crtc_funcs->mode_set_base(crtc, crtc->x, crtc->y);
+ }
+ }
+ return 0;
+}
+
+static const struct drm_mode_config_funcs intel_mode_funcs = {
+ .resize_fb = intel_insert_new_fb,
+ .fb_create = intel_user_framebuffer_create,
+ .fb_changed = intelfb_probe,
+};
+
+void intel_modeset_init(struct drm_device *dev)
+{
+ int num_pipe;
+ int i;
+
+ drm_mode_config_init(dev);
+
+ dev->mode_config.min_width = 0;
+ dev->mode_config.min_height = 0;
+
+ dev->mode_config.funcs = (void *)&intel_mode_funcs;
+
+ if (IS_I965G(dev)) {
+ dev->mode_config.max_width = 8192;
+ dev->mode_config.max_height = 8192;
+ } else {
+ dev->mode_config.max_width = 2048;
+ dev->mode_config.max_height = 2048;
+ }
+
+ /* set memory base */
+ if (IS_I9XX(dev))
+ dev->mode_config.fb_base = pci_resource_start(dev->pdev, 2);
+ else
+ dev->mode_config.fb_base = pci_resource_start(dev->pdev, 0);
+
+ if (IS_MOBILE(dev) || IS_I9XX(dev))
+ num_pipe = 2;
+ else
+ num_pipe = 1;
+ DRM_DEBUG("%d display pipe%s available.\n",
+ num_pipe, num_pipe > 1 ? "s" : "");
+
+ for (i = 0; i < num_pipe; i++) {
+ intel_crtc_init(dev, i);
+ }
+
+ intel_setup_outputs(dev);
+}
+
+void intel_modeset_cleanup(struct drm_device *dev)
+{
+ drm_mode_config_cleanup(dev);
+}
+
+
+/* current intel driver doesn't take advantage of encoders
+ always give back the encoder for the connector
+*/
+struct drm_encoder *intel_best_encoder(struct drm_connector *connector)
+{
+ struct intel_output *intel_output = to_intel_output(connector);
+
+ return &intel_output->enc;
+}
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
new file mode 100644
index 00000000000..407edd5bf58
--- /dev/null
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -0,0 +1,146 @@
+/*
+ * Copyright (c) 2006 Dave Airlie <airlied@linux.ie>
+ * Copyright (c) 2007-2008 Intel Corporation
+ * Jesse Barnes <jesse.barnes@intel.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+#ifndef __INTEL_DRV_H__
+#define __INTEL_DRV_H__
+
+#include <linux/i2c.h>
+#include <linux/i2c-id.h>
+#include <linux/i2c-algo-bit.h>
+#include "drm_crtc.h"
+
+#include "drm_crtc_helper.h"
+/*
+ * Display related stuff
+ */
+
+/* store information about an Ixxx DVO */
+/* The i830->i865 use multiple DVOs with multiple i2cs */
+/* the i915, i945 have a single sDVO i2c bus - which is different */
+#define MAX_OUTPUTS 6
+/* maximum connectors per crtcs in the mode set */
+#define INTELFB_CONN_LIMIT 4
+
+#define INTEL_I2C_BUS_DVO 1
+#define INTEL_I2C_BUS_SDVO 2
+
+/* these are outputs from the chip - integrated only
+ external chips are via DVO or SDVO output */
+#define INTEL_OUTPUT_UNUSED 0
+#define INTEL_OUTPUT_ANALOG 1
+#define INTEL_OUTPUT_DVO 2
+#define INTEL_OUTPUT_SDVO 3
+#define INTEL_OUTPUT_LVDS 4
+#define INTEL_OUTPUT_TVOUT 5
+
+#define INTEL_DVO_CHIP_NONE 0
+#define INTEL_DVO_CHIP_LVDS 1
+#define INTEL_DVO_CHIP_TMDS 2
+#define INTEL_DVO_CHIP_TVOUT 4
+
+struct intel_i2c_chan {
+ struct drm_device *drm_dev; /* for getting at dev. private (mmio etc.) */
+ u32 reg; /* GPIO reg */
+ struct i2c_adapter adapter;
+ struct i2c_algo_bit_data algo;
+ u8 slave_addr;
+};
+
+struct intel_framebuffer {
+ struct drm_framebuffer base;
+ struct drm_gem_object *obj;
+};
+
+
+struct intel_output {
+ struct drm_connector base;
+
+ struct drm_encoder enc;
+ int type;
+ struct intel_i2c_chan *i2c_bus; /* for control functions */
+ struct intel_i2c_chan *ddc_bus; /* for DDC only stuff */
+ bool load_detect_temp;
+ void *dev_priv;
+};
+
+struct intel_crtc {
+ struct drm_crtc base;
+ int pipe;
+ int plane;
+ uint32_t cursor_addr;
+ u8 lut_r[256], lut_g[256], lut_b[256];
+ int dpms_mode;
+ struct intel_framebuffer *fbdev_fb;
+ /* a mode_set for fbdev users on this crtc */
+ struct drm_mode_set mode_set;
+};
+
+#define to_intel_crtc(x) container_of(x, struct intel_crtc, base)
+#define to_intel_output(x) container_of(x, struct intel_output, base)
+#define enc_to_intel_output(x) container_of(x, struct intel_output, enc)
+#define to_intel_framebuffer(x) container_of(x, struct intel_framebuffer, base)
+
+struct intel_i2c_chan *intel_i2c_create(struct drm_device *dev, const u32 reg,
+ const char *name);
+void intel_i2c_destroy(struct intel_i2c_chan *chan);
+int intel_ddc_get_modes(struct intel_output *intel_output);
+extern bool intel_ddc_probe(struct intel_output *intel_output);
+
+extern void intel_crt_init(struct drm_device *dev);
+extern void intel_sdvo_init(struct drm_device *dev, int output_device);
+extern void intel_dvo_init(struct drm_device *dev);
+extern void intel_tv_init(struct drm_device *dev);
+extern void intel_lvds_init(struct drm_device *dev);
+
+extern void intel_crtc_load_lut(struct drm_crtc *crtc);
+extern void intel_encoder_prepare (struct drm_encoder *encoder);
+extern void intel_encoder_commit (struct drm_encoder *encoder);
+
+extern struct drm_encoder *intel_best_encoder(struct drm_connector *connector);
+
+extern struct drm_display_mode *intel_crtc_mode_get(struct drm_device *dev,
+ struct drm_crtc *crtc);
+extern void intel_wait_for_vblank(struct drm_device *dev);
+extern struct drm_crtc *intel_get_crtc_from_pipe(struct drm_device *dev, int pipe);
+extern struct drm_crtc *intel_get_load_detect_pipe(struct intel_output *intel_output,
+ struct drm_display_mode *mode,
+ int *dpms_mode);
+extern void intel_release_load_detect_pipe(struct intel_output *intel_output,
+ int dpms_mode);
+
+extern struct drm_connector* intel_sdvo_find(struct drm_device *dev, int sdvoB);
+extern int intel_sdvo_supports_hotplug(struct drm_connector *connector);
+extern void intel_sdvo_set_hotplug(struct drm_connector *connector, int enable);
+extern int intelfb_probe(struct drm_device *dev);
+extern int intelfb_remove(struct drm_device *dev, struct drm_framebuffer *fb);
+extern int intelfb_resize(struct drm_device *dev, struct drm_crtc *crtc);
+extern void intelfb_restore(void);
+extern void intel_crtc_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green,
+ u16 blue, int regno);
+
+extern int intel_framebuffer_create(struct drm_device *dev,
+ struct drm_mode_fb_cmd *mode_cmd,
+ struct drm_framebuffer **fb,
+ struct drm_gem_object *obj);
+#endif /* __INTEL_DRV_H__ */
diff --git a/drivers/gpu/drm/i915/intel_dvo.c b/drivers/gpu/drm/i915/intel_dvo.c
new file mode 100644
index 00000000000..008bfaed461
--- /dev/null
+++ b/drivers/gpu/drm/i915/intel_dvo.c
@@ -0,0 +1,501 @@
+/*
+ * Copyright 2006 Dave Airlie <airlied@linux.ie>
+ * Copyright © 2006-2007 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ * Eric Anholt <eric@anholt.net>
+ */
+#include <linux/i2c.h>
+#include "drmP.h"
+#include "drm.h"
+#include "drm_crtc.h"
+#include "intel_drv.h"
+#include "i915_drm.h"
+#include "i915_drv.h"
+#include "dvo.h"
+
+#define SIL164_ADDR 0x38
+#define CH7xxx_ADDR 0x76
+#define TFP410_ADDR 0x38
+
+extern struct intel_dvo_dev_ops sil164_ops;
+extern struct intel_dvo_dev_ops ch7xxx_ops;
+extern struct intel_dvo_dev_ops ivch_ops;
+extern struct intel_dvo_dev_ops tfp410_ops;
+extern struct intel_dvo_dev_ops ch7017_ops;
+
+struct intel_dvo_device intel_dvo_devices[] = {
+ {
+ .type = INTEL_DVO_CHIP_TMDS,
+ .name = "sil164",
+ .dvo_reg = DVOC,
+ .slave_addr = SIL164_ADDR,
+ .dev_ops = &sil164_ops,
+ },
+ {
+ .type = INTEL_DVO_CHIP_TMDS,
+ .name = "ch7xxx",
+ .dvo_reg = DVOC,
+ .slave_addr = CH7xxx_ADDR,
+ .dev_ops = &ch7xxx_ops,
+ },
+ {
+ .type = INTEL_DVO_CHIP_LVDS,
+ .name = "ivch",
+ .dvo_reg = DVOA,
+ .slave_addr = 0x02, /* Might also be 0x44, 0x84, 0xc4 */
+ .dev_ops = &ivch_ops,
+ },
+ {
+ .type = INTEL_DVO_CHIP_TMDS,
+ .name = "tfp410",
+ .dvo_reg = DVOC,
+ .slave_addr = TFP410_ADDR,
+ .dev_ops = &tfp410_ops,
+ },
+ {
+ .type = INTEL_DVO_CHIP_LVDS,
+ .name = "ch7017",
+ .dvo_reg = DVOC,
+ .slave_addr = 0x75,
+ .gpio = GPIOE,
+ .dev_ops = &ch7017_ops,
+ }
+};
+
+static void intel_dvo_dpms(struct drm_encoder *encoder, int mode)
+{
+ struct drm_i915_private *dev_priv = encoder->dev->dev_private;
+ struct intel_output *intel_output = enc_to_intel_output(encoder);
+ struct intel_dvo_device *dvo = intel_output->dev_priv;
+ u32 dvo_reg = dvo->dvo_reg;
+ u32 temp = I915_READ(dvo_reg);
+
+ if (mode == DRM_MODE_DPMS_ON) {
+ I915_WRITE(dvo_reg, temp | DVO_ENABLE);
+ I915_READ(dvo_reg);
+ dvo->dev_ops->dpms(dvo, mode);
+ } else {
+ dvo->dev_ops->dpms(dvo, mode);
+ I915_WRITE(dvo_reg, temp & ~DVO_ENABLE);
+ I915_READ(dvo_reg);
+ }
+}
+
+static void intel_dvo_save(struct drm_connector *connector)
+{
+ struct drm_i915_private *dev_priv = connector->dev->dev_private;
+ struct intel_output *intel_output = to_intel_output(connector);
+ struct intel_dvo_device *dvo = intel_output->dev_priv;
+
+ /* Each output should probably just save the registers it touches,
+ * but for now, use more overkill.
+ */
+ dev_priv->saveDVOA = I915_READ(DVOA);
+ dev_priv->saveDVOB = I915_READ(DVOB);
+ dev_priv->saveDVOC = I915_READ(DVOC);
+
+ dvo->dev_ops->save(dvo);
+}
+
+static void intel_dvo_restore(struct drm_connector *connector)
+{
+ struct drm_i915_private *dev_priv = connector->dev->dev_private;
+ struct intel_output *intel_output = to_intel_output(connector);
+ struct intel_dvo_device *dvo = intel_output->dev_priv;
+
+ dvo->dev_ops->restore(dvo);
+
+ I915_WRITE(DVOA, dev_priv->saveDVOA);
+ I915_WRITE(DVOB, dev_priv->saveDVOB);
+ I915_WRITE(DVOC, dev_priv->saveDVOC);
+}
+
+static int intel_dvo_mode_valid(struct drm_connector *connector,
+ struct drm_display_mode *mode)
+{
+ struct intel_output *intel_output = to_intel_output(connector);
+ struct intel_dvo_device *dvo = intel_output->dev_priv;
+
+ if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
+ return MODE_NO_DBLESCAN;
+
+ /* XXX: Validate clock range */
+
+ if (dvo->panel_fixed_mode) {
+ if (mode->hdisplay > dvo->panel_fixed_mode->hdisplay)
+ return MODE_PANEL;
+ if (mode->vdisplay > dvo->panel_fixed_mode->vdisplay)
+ return MODE_PANEL;
+ }
+
+ return dvo->dev_ops->mode_valid(dvo, mode);
+}
+
+static bool intel_dvo_mode_fixup(struct drm_encoder *encoder,
+ struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode)
+{
+ struct intel_output *intel_output = enc_to_intel_output(encoder);
+ struct intel_dvo_device *dvo = intel_output->dev_priv;
+
+ /* If we have timings from the BIOS for the panel, put them in
+ * to the adjusted mode. The CRTC will be set up for this mode,
+ * with the panel scaling set up to source from the H/VDisplay
+ * of the original mode.
+ */
+ if (dvo->panel_fixed_mode != NULL) {
+#define C(x) adjusted_mode->x = dvo->panel_fixed_mode->x
+ C(hdisplay);
+ C(hsync_start);
+ C(hsync_end);
+ C(htotal);
+ C(vdisplay);
+ C(vsync_start);
+ C(vsync_end);
+ C(vtotal);
+ C(clock);
+ drm_mode_set_crtcinfo(adjusted_mode, CRTC_INTERLACE_HALVE_V);
+#undef C
+ }
+
+ if (dvo->dev_ops->mode_fixup)
+ return dvo->dev_ops->mode_fixup(dvo, mode, adjusted_mode);
+
+ return true;
+}
+
+static void intel_dvo_mode_set(struct drm_encoder *encoder,
+ struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode)
+{
+ struct drm_device *dev = encoder->dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct intel_crtc *intel_crtc = to_intel_crtc(encoder->crtc);
+ struct intel_output *intel_output = enc_to_intel_output(encoder);
+ struct intel_dvo_device *dvo = intel_output->dev_priv;
+ int pipe = intel_crtc->pipe;
+ u32 dvo_val;
+ u32 dvo_reg = dvo->dvo_reg, dvo_srcdim_reg;
+ int dpll_reg = (pipe == 0) ? DPLL_A : DPLL_B;
+
+ switch (dvo_reg) {
+ case DVOA:
+ default:
+ dvo_srcdim_reg = DVOA_SRCDIM;
+ break;
+ case DVOB:
+ dvo_srcdim_reg = DVOB_SRCDIM;
+ break;
+ case DVOC:
+ dvo_srcdim_reg = DVOC_SRCDIM;
+ break;
+ }
+
+ dvo->dev_ops->mode_set(dvo, mode, adjusted_mode);
+
+ /* Save the data order, since I don't know what it should be set to. */
+ dvo_val = I915_READ(dvo_reg) &
+ (DVO_PRESERVE_MASK | DVO_DATA_ORDER_GBRG);
+ dvo_val |= DVO_DATA_ORDER_FP | DVO_BORDER_ENABLE |
+ DVO_BLANK_ACTIVE_HIGH;
+
+ if (pipe == 1)
+ dvo_val |= DVO_PIPE_B_SELECT;
+ dvo_val |= DVO_PIPE_STALL;
+ if (adjusted_mode->flags & DRM_MODE_FLAG_PHSYNC)
+ dvo_val |= DVO_HSYNC_ACTIVE_HIGH;
+ if (adjusted_mode->flags & DRM_MODE_FLAG_PVSYNC)
+ dvo_val |= DVO_VSYNC_ACTIVE_HIGH;
+
+ I915_WRITE(dpll_reg, I915_READ(dpll_reg) | DPLL_DVO_HIGH_SPEED);
+
+ /*I915_WRITE(DVOB_SRCDIM,
+ (adjusted_mode->hdisplay << DVO_SRCDIM_HORIZONTAL_SHIFT) |
+ (adjusted_mode->VDisplay << DVO_SRCDIM_VERTICAL_SHIFT));*/
+ I915_WRITE(dvo_srcdim_reg,
+ (adjusted_mode->hdisplay << DVO_SRCDIM_HORIZONTAL_SHIFT) |
+ (adjusted_mode->vdisplay << DVO_SRCDIM_VERTICAL_SHIFT));
+ /*I915_WRITE(DVOB, dvo_val);*/
+ I915_WRITE(dvo_reg, dvo_val);
+}
+
+/**
+ * Detect the output connection on our DVO device.
+ *
+ * Unimplemented.
+ */
+static enum drm_connector_status intel_dvo_detect(struct drm_connector *connector)
+{
+ struct intel_output *intel_output = to_intel_output(connector);
+ struct intel_dvo_device *dvo = intel_output->dev_priv;
+
+ return dvo->dev_ops->detect(dvo);
+}
+
+static int intel_dvo_get_modes(struct drm_connector *connector)
+{
+ struct intel_output *intel_output = to_intel_output(connector);
+ struct intel_dvo_device *dvo = intel_output->dev_priv;
+
+ /* We should probably have an i2c driver get_modes function for those
+ * devices which will have a fixed set of modes determined by the chip
+ * (TV-out, for example), but for now with just TMDS and LVDS,
+ * that's not the case.
+ */
+ intel_ddc_get_modes(intel_output);
+ if (!list_empty(&connector->probed_modes))
+ return 1;
+
+
+ if (dvo->panel_fixed_mode != NULL) {
+ struct drm_display_mode *mode;
+ mode = drm_mode_duplicate(connector->dev, dvo->panel_fixed_mode);
+ if (mode) {
+ drm_mode_probed_add(connector, mode);
+ return 1;
+ }
+ }
+ return 0;
+}
+
+static void intel_dvo_destroy (struct drm_connector *connector)
+{
+ struct intel_output *intel_output = to_intel_output(connector);
+ struct intel_dvo_device *dvo = intel_output->dev_priv;
+
+ if (dvo) {
+ if (dvo->dev_ops->destroy)
+ dvo->dev_ops->destroy(dvo);
+ if (dvo->panel_fixed_mode)
+ kfree(dvo->panel_fixed_mode);
+ /* no need, in i830_dvoices[] now */
+ //kfree(dvo);
+ }
+ if (intel_output->i2c_bus)
+ intel_i2c_destroy(intel_output->i2c_bus);
+ if (intel_output->ddc_bus)
+ intel_i2c_destroy(intel_output->ddc_bus);
+ drm_sysfs_connector_remove(connector);
+ drm_connector_cleanup(connector);
+ kfree(intel_output);
+}
+
+#ifdef RANDR_GET_CRTC_INTERFACE
+static struct drm_crtc *intel_dvo_get_crtc(struct drm_connector *connector)
+{
+ struct drm_device *dev = connector->dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct intel_output *intel_output = to_intel_output(connector);
+ struct intel_dvo_device *dvo = intel_output->dev_priv;
+ int pipe = !!(I915_READ(dvo->dvo_reg) & SDVO_PIPE_B_SELECT);
+
+ return intel_pipe_to_crtc(pScrn, pipe);
+}
+#endif
+
+static const struct drm_encoder_helper_funcs intel_dvo_helper_funcs = {
+ .dpms = intel_dvo_dpms,
+ .mode_fixup = intel_dvo_mode_fixup,
+ .prepare = intel_encoder_prepare,
+ .mode_set = intel_dvo_mode_set,
+ .commit = intel_encoder_commit,
+};
+
+static const struct drm_connector_funcs intel_dvo_connector_funcs = {
+ .save = intel_dvo_save,
+ .restore = intel_dvo_restore,
+ .detect = intel_dvo_detect,
+ .destroy = intel_dvo_destroy,
+ .fill_modes = drm_helper_probe_single_connector_modes,
+};
+
+static const struct drm_connector_helper_funcs intel_dvo_connector_helper_funcs = {
+ .mode_valid = intel_dvo_mode_valid,
+ .get_modes = intel_dvo_get_modes,
+ .best_encoder = intel_best_encoder,
+};
+
+void intel_dvo_enc_destroy(struct drm_encoder *encoder)
+{
+ drm_encoder_cleanup(encoder);
+}
+
+static const struct drm_encoder_funcs intel_dvo_enc_funcs = {
+ .destroy = intel_dvo_enc_destroy,
+};
+
+
+/**
+ * Attempts to get a fixed panel timing for LVDS (currently only the i830).
+ *
+ * Other chips with DVO LVDS will need to extend this to deal with the LVDS
+ * chip being on DVOB/C and having multiple pipes.
+ */
+static struct drm_display_mode *
+intel_dvo_get_current_mode (struct drm_connector *connector)
+{
+ struct drm_device *dev = connector->dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct intel_output *intel_output = to_intel_output(connector);
+ struct intel_dvo_device *dvo = intel_output->dev_priv;
+ uint32_t dvo_reg = dvo->dvo_reg;
+ uint32_t dvo_val = I915_READ(dvo_reg);
+ struct drm_display_mode *mode = NULL;
+
+ /* If the DVO port is active, that'll be the LVDS, so we can pull out
+ * its timings to get how the BIOS set up the panel.
+ */
+ if (dvo_val & DVO_ENABLE) {
+ struct drm_crtc *crtc;
+ int pipe = (dvo_val & DVO_PIPE_B_SELECT) ? 1 : 0;
+
+ crtc = intel_get_crtc_from_pipe(dev, pipe);
+ if (crtc) {
+ mode = intel_crtc_mode_get(dev, crtc);
+
+ if (mode) {
+ mode->type |= DRM_MODE_TYPE_PREFERRED;
+ if (dvo_val & DVO_HSYNC_ACTIVE_HIGH)
+ mode->flags |= DRM_MODE_FLAG_PHSYNC;
+ if (dvo_val & DVO_VSYNC_ACTIVE_HIGH)
+ mode->flags |= DRM_MODE_FLAG_PVSYNC;
+ }
+ }
+ }
+ return mode;
+}
+
+void intel_dvo_init(struct drm_device *dev)
+{
+ struct intel_output *intel_output;
+ struct intel_dvo_device *dvo;
+ struct intel_i2c_chan *i2cbus = NULL;
+ int ret = 0;
+ int i;
+ int gpio_inited = 0;
+ int encoder_type = DRM_MODE_ENCODER_NONE;
+ intel_output = kzalloc (sizeof(struct intel_output), GFP_KERNEL);
+ if (!intel_output)
+ return;
+
+ /* Set up the DDC bus */
+ intel_output->ddc_bus = intel_i2c_create(dev, GPIOD, "DVODDC_D");
+ if (!intel_output->ddc_bus)
+ goto free_intel;
+
+ /* Now, try to find a controller */
+ for (i = 0; i < ARRAY_SIZE(intel_dvo_devices); i++) {
+ struct drm_connector *connector = &intel_output->base;
+ int gpio;
+
+ dvo = &intel_dvo_devices[i];
+
+ /* Allow the I2C driver info to specify the GPIO to be used in
+ * special cases, but otherwise default to what's defined
+ * in the spec.
+ */
+ if (dvo->gpio != 0)
+ gpio = dvo->gpio;
+ else if (dvo->type == INTEL_DVO_CHIP_LVDS)
+ gpio = GPIOB;
+ else
+ gpio = GPIOE;
+
+ /* Set up the I2C bus necessary for the chip we're probing.
+ * It appears that everything is on GPIOE except for panels
+ * on i830 laptops, which are on GPIOB (DVOA).
+ */
+ if (gpio_inited != gpio) {
+ if (i2cbus != NULL)
+ intel_i2c_destroy(i2cbus);
+ if (!(i2cbus = intel_i2c_create(dev, gpio,
+ gpio == GPIOB ? "DVOI2C_B" : "DVOI2C_E"))) {
+ continue;
+ }
+ gpio_inited = gpio;
+ }
+
+ if (dvo->dev_ops!= NULL)
+ ret = dvo->dev_ops->init(dvo, i2cbus);
+ else
+ ret = false;
+
+ if (!ret)
+ continue;
+
+ intel_output->type = INTEL_OUTPUT_DVO;
+ switch (dvo->type) {
+ case INTEL_DVO_CHIP_TMDS:
+ drm_connector_init(dev, connector,
+ &intel_dvo_connector_funcs,
+ DRM_MODE_CONNECTOR_DVII);
+ encoder_type = DRM_MODE_ENCODER_TMDS;
+ break;
+ case INTEL_DVO_CHIP_LVDS:
+ drm_connector_init(dev, connector,
+ &intel_dvo_connector_funcs,
+ DRM_MODE_CONNECTOR_LVDS);
+ encoder_type = DRM_MODE_ENCODER_LVDS;
+ break;
+ }
+
+ drm_connector_helper_add(connector,
+ &intel_dvo_connector_helper_funcs);
+ connector->display_info.subpixel_order = SubPixelHorizontalRGB;
+ connector->interlace_allowed = false;
+ connector->doublescan_allowed = false;
+
+ intel_output->dev_priv = dvo;
+ intel_output->i2c_bus = i2cbus;
+
+ drm_encoder_init(dev, &intel_output->enc,
+ &intel_dvo_enc_funcs, encoder_type);
+ drm_encoder_helper_add(&intel_output->enc,
+ &intel_dvo_helper_funcs);
+
+ drm_mode_connector_attach_encoder(&intel_output->base,
+ &intel_output->enc);
+ if (dvo->type == INTEL_DVO_CHIP_LVDS) {
+ /* For our LVDS chipsets, we should hopefully be able
+ * to dig the fixed panel mode out of the BIOS data.
+ * However, it's in a different format from the BIOS
+ * data on chipsets with integrated LVDS (stored in AIM
+ * headers, likely), so for now, just get the current
+ * mode being output through DVO.
+ */
+ dvo->panel_fixed_mode =
+ intel_dvo_get_current_mode(connector);
+ dvo->panel_wants_dither = true;
+ }
+
+ drm_sysfs_connector_add(connector);
+ return;
+ }
+
+ intel_i2c_destroy(intel_output->ddc_bus);
+ /* Didn't find a chip, so tear down. */
+ if (i2cbus != NULL)
+ intel_i2c_destroy(i2cbus);
+free_intel:
+ kfree(intel_output);
+}
diff --git a/drivers/gpu/drm/i915/intel_fb.c b/drivers/gpu/drm/i915/intel_fb.c
new file mode 100644
index 00000000000..a89ebea7b76
--- /dev/null
+++ b/drivers/gpu/drm/i915/intel_fb.c
@@ -0,0 +1,926 @@
+/*
+ * Copyright © 2007 David Airlie
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ * David Airlie
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/string.h>
+#include <linux/mm.h>
+#include <linux/tty.h>
+#include <linux/slab.h>
+#include <linux/sysrq.h>
+#include <linux/delay.h>
+#include <linux/fb.h>
+#include <linux/init.h>
+
+#include "drmP.h"
+#include "drm.h"
+#include "drm_crtc.h"
+#include "intel_drv.h"
+#include "i915_drm.h"
+#include "i915_drv.h"
+
+struct intelfb_par {
+ struct drm_device *dev;
+ struct drm_display_mode *our_mode;
+ struct intel_framebuffer *intel_fb;
+ int crtc_count;
+ /* crtc currently bound to this */
+ uint32_t crtc_ids[2];
+};
+
+static int intelfb_setcolreg(unsigned regno, unsigned red, unsigned green,
+ unsigned blue, unsigned transp,
+ struct fb_info *info)
+{
+ struct intelfb_par *par = info->par;
+ struct drm_device *dev = par->dev;
+ struct drm_crtc *crtc;
+ int i;
+
+ list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
+ struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+ struct drm_mode_set *modeset = &intel_crtc->mode_set;
+ struct drm_framebuffer *fb = modeset->fb;
+
+ for (i = 0; i < par->crtc_count; i++)
+ if (crtc->base.id == par->crtc_ids[i])
+ break;
+
+ if (i == par->crtc_count)
+ continue;
+
+
+ if (regno > 255)
+ return 1;
+
+ if (fb->depth == 8) {
+ intel_crtc_fb_gamma_set(crtc, red, green, blue, regno);
+ return 0;
+ }
+
+ if (regno < 16) {
+ switch (fb->depth) {
+ case 15:
+ fb->pseudo_palette[regno] = ((red & 0xf800) >> 1) |
+ ((green & 0xf800) >> 6) |
+ ((blue & 0xf800) >> 11);
+ break;
+ case 16:
+ fb->pseudo_palette[regno] = (red & 0xf800) |
+ ((green & 0xfc00) >> 5) |
+ ((blue & 0xf800) >> 11);
+ break;
+ case 24:
+ case 32:
+ fb->pseudo_palette[regno] = ((red & 0xff00) << 8) |
+ (green & 0xff00) |
+ ((blue & 0xff00) >> 8);
+ break;
+ }
+ }
+ }
+ return 0;
+}
+
+static int intelfb_check_var(struct fb_var_screeninfo *var,
+ struct fb_info *info)
+{
+ struct intelfb_par *par = info->par;
+ struct intel_framebuffer *intel_fb = par->intel_fb;
+ struct drm_framebuffer *fb = &intel_fb->base;
+ int depth;
+
+ if (var->pixclock == -1 || !var->pixclock)
+ return -EINVAL;
+
+ /* Need to resize the fb object !!! */
+ if (var->xres > fb->width || var->yres > fb->height) {
+ DRM_ERROR("Requested width/height is greater than current fb object %dx%d > %dx%d\n",var->xres,var->yres,fb->width,fb->height);
+ DRM_ERROR("Need resizing code.\n");
+ return -EINVAL;
+ }
+
+ switch (var->bits_per_pixel) {
+ case 16:
+ depth = (var->green.length == 6) ? 16 : 15;
+ break;
+ case 32:
+ depth = (var->transp.length > 0) ? 32 : 24;
+ break;
+ default:
+ depth = var->bits_per_pixel;
+ break;
+ }
+
+ switch (depth) {
+ case 8:
+ var->red.offset = 0;
+ var->green.offset = 0;
+ var->blue.offset = 0;
+ var->red.length = 8;
+ var->green.length = 8;
+ var->blue.length = 8;
+ var->transp.length = 0;
+ var->transp.offset = 0;
+ break;
+ case 15:
+ var->red.offset = 10;
+ var->green.offset = 5;
+ var->blue.offset = 0;
+ var->red.length = 5;
+ var->green.length = 5;
+ var->blue.length = 5;
+ var->transp.length = 1;
+ var->transp.offset = 15;
+ break;
+ case 16:
+ var->red.offset = 11;
+ var->green.offset = 5;
+ var->blue.offset = 0;
+ var->red.length = 5;
+ var->green.length = 6;
+ var->blue.length = 5;
+ var->transp.length = 0;
+ var->transp.offset = 0;
+ break;
+ case 24:
+ var->red.offset = 16;
+ var->green.offset = 8;
+ var->blue.offset = 0;
+ var->red.length = 8;
+ var->green.length = 8;
+ var->blue.length = 8;
+ var->transp.length = 0;
+ var->transp.offset = 0;
+ break;
+ case 32:
+ var->red.offset = 16;
+ var->green.offset = 8;
+ var->blue.offset = 0;
+ var->red.length = 8;
+ var->green.length = 8;
+ var->blue.length = 8;
+ var->transp.length = 8;
+ var->transp.offset = 24;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+/* this will let fbcon do the mode init */
+/* FIXME: take mode config lock? */
+static int intelfb_set_par(struct fb_info *info)
+{
+ struct intelfb_par *par = info->par;
+ struct drm_device *dev = par->dev;
+ struct fb_var_screeninfo *var = &info->var;
+ int i;
+
+ DRM_DEBUG("%d %d\n", var->xres, var->pixclock);
+
+ if (var->pixclock != -1) {
+
+ DRM_ERROR("PIXEL CLCOK SET\n");
+ return -EINVAL;
+ } else {
+ struct drm_crtc *crtc;
+ int ret;
+
+ list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
+ struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+
+ for (i = 0; i < par->crtc_count; i++)
+ if (crtc->base.id == par->crtc_ids[i])
+ break;
+
+ if (i == par->crtc_count)
+ continue;
+
+ if (crtc->fb == intel_crtc->mode_set.fb) {
+ mutex_lock(&dev->mode_config.mutex);
+ ret = crtc->funcs->set_config(&intel_crtc->mode_set);
+ mutex_unlock(&dev->mode_config.mutex);
+ if (ret)
+ return ret;
+ }
+ }
+ return 0;
+ }
+}
+
+static int intelfb_pan_display(struct fb_var_screeninfo *var,
+ struct fb_info *info)
+{
+ struct intelfb_par *par = info->par;
+ struct drm_device *dev = par->dev;
+ struct drm_mode_set *modeset;
+ struct drm_crtc *crtc;
+ struct intel_crtc *intel_crtc;
+ int ret = 0;
+ int i;
+
+ list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
+ for (i = 0; i < par->crtc_count; i++)
+ if (crtc->base.id == par->crtc_ids[i])
+ break;
+
+ if (i == par->crtc_count)
+ continue;
+
+ intel_crtc = to_intel_crtc(crtc);
+ modeset = &intel_crtc->mode_set;
+
+ modeset->x = var->xoffset;
+ modeset->y = var->yoffset;
+
+ if (modeset->num_connectors) {
+ mutex_lock(&dev->mode_config.mutex);
+ ret = crtc->funcs->set_config(modeset);
+ mutex_unlock(&dev->mode_config.mutex);
+ if (!ret) {
+ info->var.xoffset = var->xoffset;
+ info->var.yoffset = var->yoffset;
+ }
+ }
+ }
+
+ return ret;
+}
+
+static void intelfb_on(struct fb_info *info)
+{
+ struct intelfb_par *par = info->par;
+ struct drm_device *dev = par->dev;
+ struct drm_crtc *crtc;
+ struct drm_encoder *encoder;
+ int i;
+
+ /*
+ * For each CRTC in this fb, find all associated encoders
+ * and turn them off, then turn off the CRTC.
+ */
+ list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
+ struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
+
+ for (i = 0; i < par->crtc_count; i++)
+ if (crtc->base.id == par->crtc_ids[i])
+ break;
+
+ crtc_funcs->dpms(crtc, DRM_MODE_DPMS_ON);
+
+ /* Found a CRTC on this fb, now find encoders */
+ list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
+ if (encoder->crtc == crtc) {
+ struct drm_encoder_helper_funcs *encoder_funcs;
+ encoder_funcs = encoder->helper_private;
+ encoder_funcs->dpms(encoder, DRM_MODE_DPMS_ON);
+ }
+ }
+ }
+}
+
+static void intelfb_off(struct fb_info *info, int dpms_mode)
+{
+ struct intelfb_par *par = info->par;
+ struct drm_device *dev = par->dev;
+ struct drm_crtc *crtc;
+ struct drm_encoder *encoder;
+ int i;
+
+ /*
+ * For each CRTC in this fb, find all associated encoders
+ * and turn them off, then turn off the CRTC.
+ */
+ list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
+ struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
+
+ for (i = 0; i < par->crtc_count; i++)
+ if (crtc->base.id == par->crtc_ids[i])
+ break;
+
+ /* Found a CRTC on this fb, now find encoders */
+ list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
+ if (encoder->crtc == crtc) {
+ struct drm_encoder_helper_funcs *encoder_funcs;
+ encoder_funcs = encoder->helper_private;
+ encoder_funcs->dpms(encoder, dpms_mode);
+ }
+ }
+ if (dpms_mode == DRM_MODE_DPMS_OFF)
+ crtc_funcs->dpms(crtc, dpms_mode);
+ }
+}
+
+int intelfb_blank(int blank, struct fb_info *info)
+{
+ switch (blank) {
+ case FB_BLANK_UNBLANK:
+ intelfb_on(info);
+ break;
+ case FB_BLANK_NORMAL:
+ intelfb_off(info, DRM_MODE_DPMS_STANDBY);
+ break;
+ case FB_BLANK_HSYNC_SUSPEND:
+ intelfb_off(info, DRM_MODE_DPMS_STANDBY);
+ break;
+ case FB_BLANK_VSYNC_SUSPEND:
+ intelfb_off(info, DRM_MODE_DPMS_SUSPEND);
+ break;
+ case FB_BLANK_POWERDOWN:
+ intelfb_off(info, DRM_MODE_DPMS_OFF);
+ break;
+ }
+ return 0;
+}
+
+static struct fb_ops intelfb_ops = {
+ .owner = THIS_MODULE,
+ .fb_check_var = intelfb_check_var,
+ .fb_set_par = intelfb_set_par,
+ .fb_setcolreg = intelfb_setcolreg,
+ .fb_fillrect = cfb_fillrect,
+ .fb_copyarea = cfb_copyarea,
+ .fb_imageblit = cfb_imageblit,
+ .fb_pan_display = intelfb_pan_display,
+ .fb_blank = intelfb_blank,
+};
+
+/**
+ * Curretly it is assumed that the old framebuffer is reused.
+ *
+ * LOCKING
+ * caller should hold the mode config lock.
+ *
+ */
+int intelfb_resize(struct drm_device *dev, struct drm_crtc *crtc)
+{
+ struct fb_info *info;
+ struct drm_framebuffer *fb;
+ struct drm_display_mode *mode = crtc->desired_mode;
+
+ fb = crtc->fb;
+ if (!fb)
+ return 1;
+
+ info = fb->fbdev;
+ if (!info)
+ return 1;
+
+ if (!mode)
+ return 1;
+
+ info->var.xres = mode->hdisplay;
+ info->var.right_margin = mode->hsync_start - mode->hdisplay;
+ info->var.hsync_len = mode->hsync_end - mode->hsync_start;
+ info->var.left_margin = mode->htotal - mode->hsync_end;
+ info->var.yres = mode->vdisplay;
+ info->var.lower_margin = mode->vsync_start - mode->vdisplay;
+ info->var.vsync_len = mode->vsync_end - mode->vsync_start;
+ info->var.upper_margin = mode->vtotal - mode->vsync_end;
+ info->var.pixclock = 10000000 / mode->htotal * 1000 / mode->vtotal * 100;
+ /* avoid overflow */
+ info->var.pixclock = info->var.pixclock * 1000 / mode->vrefresh;
+
+ return 0;
+}
+EXPORT_SYMBOL(intelfb_resize);
+
+static struct drm_mode_set kernelfb_mode;
+
+int intelfb_panic(struct notifier_block *n, unsigned long ununsed,
+ void *panic_str)
+{
+ DRM_ERROR("panic occurred, switching back to text console\n");
+
+ intelfb_restore();
+ return 0;
+}
+EXPORT_SYMBOL(intelfb_panic);
+
+static struct notifier_block paniced = {
+ .notifier_call = intelfb_panic,
+};
+
+int intelfb_create(struct drm_device *dev, uint32_t fb_width,
+ uint32_t fb_height, uint32_t surface_width,
+ uint32_t surface_height,
+ struct intel_framebuffer **intel_fb_p)
+{
+ struct fb_info *info;
+ struct intelfb_par *par;
+ struct drm_framebuffer *fb;
+ struct intel_framebuffer *intel_fb;
+ struct drm_mode_fb_cmd mode_cmd;
+ struct drm_gem_object *fbo = NULL;
+ struct drm_i915_gem_object *obj_priv;
+ struct device *device = &dev->pdev->dev;
+ int size, ret, mmio_bar = IS_I9XX(dev) ? 0 : 1;
+
+ mode_cmd.width = surface_width;
+ mode_cmd.height = surface_height;
+
+ mode_cmd.bpp = 32;
+ mode_cmd.pitch = mode_cmd.width * ((mode_cmd.bpp + 1) / 8);
+ mode_cmd.depth = 24;
+
+ size = mode_cmd.pitch * mode_cmd.height;
+ size = ALIGN(size, PAGE_SIZE);
+ fbo = drm_gem_object_alloc(dev, size);
+ if (!fbo) {
+ printk(KERN_ERR "failed to allocate framebuffer\n");
+ ret = -ENOMEM;
+ goto out;
+ }
+ obj_priv = fbo->driver_private;
+
+ mutex_lock(&dev->struct_mutex);
+
+ ret = i915_gem_object_pin(fbo, PAGE_SIZE);
+ if (ret) {
+ DRM_ERROR("failed to pin fb: %d\n", ret);
+ goto out_unref;
+ }
+
+ /* Flush everything out, we'll be doing GTT only from now on */
+ i915_gem_object_set_to_gtt_domain(fbo, 1);
+
+ ret = intel_framebuffer_create(dev, &mode_cmd, &fb, fbo);
+ if (ret) {
+ DRM_ERROR("failed to allocate fb.\n");
+ goto out_unref;
+ }
+
+ list_add(&fb->filp_head, &dev->mode_config.fb_kernel_list);
+
+ intel_fb = to_intel_framebuffer(fb);
+ *intel_fb_p = intel_fb;
+
+ info = framebuffer_alloc(sizeof(struct intelfb_par), device);
+ if (!info) {
+ ret = -ENOMEM;
+ goto out_unref;
+ }
+
+ par = info->par;
+
+ strcpy(info->fix.id, "inteldrmfb");
+ info->fix.type = FB_TYPE_PACKED_PIXELS;
+ info->fix.visual = FB_VISUAL_TRUECOLOR;
+ info->fix.type_aux = 0;
+ info->fix.xpanstep = 1; /* doing it in hw */
+ info->fix.ypanstep = 1; /* doing it in hw */
+ info->fix.ywrapstep = 0;
+ info->fix.accel = FB_ACCEL_I830;
+ info->fix.type_aux = 0;
+
+ info->flags = FBINFO_DEFAULT;
+
+ info->fbops = &intelfb_ops;
+
+ info->fix.line_length = fb->pitch;
+ info->fix.smem_start = dev->mode_config.fb_base + obj_priv->gtt_offset;
+ info->fix.smem_len = size;
+
+ info->flags = FBINFO_DEFAULT;
+
+ info->screen_base = ioremap_wc(dev->agp->base + obj_priv->gtt_offset,
+ size);
+ if (!info->screen_base) {
+ ret = -ENOSPC;
+ goto out_unref;
+ }
+ info->screen_size = size;
+
+// memset(info->screen_base, 0, size);
+
+ info->pseudo_palette = fb->pseudo_palette;
+ info->var.xres_virtual = fb->width;
+ info->var.yres_virtual = fb->height;
+ info->var.bits_per_pixel = fb->bits_per_pixel;
+ info->var.xoffset = 0;
+ info->var.yoffset = 0;
+ info->var.activate = FB_ACTIVATE_NOW;
+ info->var.height = -1;
+ info->var.width = -1;
+
+ info->var.xres = fb_width;
+ info->var.yres = fb_height;
+
+ /* FIXME: we really shouldn't expose mmio space at all */
+ info->fix.mmio_start = pci_resource_start(dev->pdev, mmio_bar);
+ info->fix.mmio_len = pci_resource_len(dev->pdev, mmio_bar);
+
+ info->pixmap.size = 64*1024;
+ info->pixmap.buf_align = 8;
+ info->pixmap.access_align = 32;
+ info->pixmap.flags = FB_PIXMAP_SYSTEM;
+ info->pixmap.scan_align = 1;
+
+ switch(fb->depth) {
+ case 8:
+ info->var.red.offset = 0;
+ info->var.green.offset = 0;
+ info->var.blue.offset = 0;
+ info->var.red.length = 8; /* 8bit DAC */
+ info->var.green.length = 8;
+ info->var.blue.length = 8;
+ info->var.transp.offset = 0;
+ info->var.transp.length = 0;
+ break;
+ case 15:
+ info->var.red.offset = 10;
+ info->var.green.offset = 5;
+ info->var.blue.offset = 0;
+ info->var.red.length = 5;
+ info->var.green.length = 5;
+ info->var.blue.length = 5;
+ info->var.transp.offset = 15;
+ info->var.transp.length = 1;
+ break;
+ case 16:
+ info->var.red.offset = 11;
+ info->var.green.offset = 5;
+ info->var.blue.offset = 0;
+ info->var.red.length = 5;
+ info->var.green.length = 6;
+ info->var.blue.length = 5;
+ info->var.transp.offset = 0;
+ break;
+ case 24:
+ info->var.red.offset = 16;
+ info->var.green.offset = 8;
+ info->var.blue.offset = 0;
+ info->var.red.length = 8;
+ info->var.green.length = 8;
+ info->var.blue.length = 8;
+ info->var.transp.offset = 0;
+ info->var.transp.length = 0;
+ break;
+ case 32:
+ info->var.red.offset = 16;
+ info->var.green.offset = 8;
+ info->var.blue.offset = 0;
+ info->var.red.length = 8;
+ info->var.green.length = 8;
+ info->var.blue.length = 8;
+ info->var.transp.offset = 24;
+ info->var.transp.length = 8;
+ break;
+ default:
+ break;
+ }
+
+ fb->fbdev = info;
+
+ par->intel_fb = intel_fb;
+ par->dev = dev;
+
+ /* To allow resizeing without swapping buffers */
+ printk("allocated %dx%d fb: 0x%08x, bo %p\n", intel_fb->base.width,
+ intel_fb->base.height, obj_priv->gtt_offset, fbo);
+
+ mutex_unlock(&dev->struct_mutex);
+ return 0;
+
+out_unref:
+ drm_gem_object_unreference(fbo);
+ mutex_unlock(&dev->struct_mutex);
+out:
+ return ret;
+}
+
+static int intelfb_multi_fb_probe_crtc(struct drm_device *dev, struct drm_crtc *crtc)
+{
+ struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+ struct intel_framebuffer *intel_fb;
+ struct drm_framebuffer *fb;
+ struct drm_connector *connector;
+ struct fb_info *info;
+ struct intelfb_par *par;
+ struct drm_mode_set *modeset;
+ unsigned int width, height;
+ int new_fb = 0;
+ int ret, i, conn_count;
+
+ if (!drm_helper_crtc_in_use(crtc))
+ return 0;
+
+ if (!crtc->desired_mode)
+ return 0;
+
+ width = crtc->desired_mode->hdisplay;
+ height = crtc->desired_mode->vdisplay;
+
+ /* is there an fb bound to this crtc already */
+ if (!intel_crtc->mode_set.fb) {
+ ret = intelfb_create(dev, width, height, width, height, &intel_fb);
+ if (ret)
+ return -EINVAL;
+ new_fb = 1;
+ } else {
+ fb = intel_crtc->mode_set.fb;
+ intel_fb = to_intel_framebuffer(fb);
+ if ((intel_fb->base.width < width) || (intel_fb->base.height < height))
+ return -EINVAL;
+ }
+
+ info = intel_fb->base.fbdev;
+ par = info->par;
+
+ modeset = &intel_crtc->mode_set;
+ modeset->fb = &intel_fb->base;
+ conn_count = 0;
+ list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
+ if (connector->encoder)
+ if (connector->encoder->crtc == modeset->crtc) {
+ modeset->connectors[conn_count] = connector;
+ conn_count++;
+ if (conn_count > INTELFB_CONN_LIMIT)
+ BUG();
+ }
+ }
+
+ for (i = conn_count; i < INTELFB_CONN_LIMIT; i++)
+ modeset->connectors[i] = NULL;
+
+ par->crtc_ids[0] = crtc->base.id;
+
+ modeset->num_connectors = conn_count;
+ if (modeset->mode != modeset->crtc->desired_mode)
+ modeset->mode = modeset->crtc->desired_mode;
+
+ par->crtc_count = 1;
+
+ if (new_fb) {
+ info->var.pixclock = -1;
+ if (register_framebuffer(info) < 0)
+ return -EINVAL;
+ } else
+ intelfb_set_par(info);
+
+ printk(KERN_INFO "fb%d: %s frame buffer device\n", info->node,
+ info->fix.id);
+
+ /* Switch back to kernel console on panic */
+ kernelfb_mode = *modeset;
+ atomic_notifier_chain_register(&panic_notifier_list, &paniced);
+ printk(KERN_INFO "registered panic notifier\n");
+
+ return 0;
+}
+
+static int intelfb_multi_fb_probe(struct drm_device *dev)
+{
+
+ struct drm_crtc *crtc;
+ int ret = 0;
+
+ list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
+ ret = intelfb_multi_fb_probe_crtc(dev, crtc);
+ if (ret)
+ return ret;
+ }
+ return ret;
+}
+
+static int intelfb_single_fb_probe(struct drm_device *dev)
+{
+ struct drm_crtc *crtc;
+ struct drm_connector *connector;
+ unsigned int fb_width = (unsigned)-1, fb_height = (unsigned)-1;
+ unsigned int surface_width = 0, surface_height = 0;
+ int new_fb = 0;
+ int crtc_count = 0;
+ int ret, i, conn_count = 0;
+ struct intel_framebuffer *intel_fb;
+ struct fb_info *info;
+ struct intelfb_par *par;
+ struct drm_mode_set *modeset = NULL;
+
+ DRM_DEBUG("\n");
+
+ /* Get a count of crtcs now in use and new min/maxes width/heights */
+ list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
+ if (!drm_helper_crtc_in_use(crtc))
+ continue;
+
+ crtc_count++;
+ if (!crtc->desired_mode)
+ continue;
+
+ /* Smallest mode determines console size... */
+ if (crtc->desired_mode->hdisplay < fb_width)
+ fb_width = crtc->desired_mode->hdisplay;
+
+ if (crtc->desired_mode->vdisplay < fb_height)
+ fb_height = crtc->desired_mode->vdisplay;
+
+ /* ... but largest for memory allocation dimensions */
+ if (crtc->desired_mode->hdisplay > surface_width)
+ surface_width = crtc->desired_mode->hdisplay;
+
+ if (crtc->desired_mode->vdisplay > surface_height)
+ surface_height = crtc->desired_mode->vdisplay;
+ }
+
+ if (crtc_count == 0 || fb_width == -1 || fb_height == -1) {
+ /* hmm everyone went away - assume VGA cable just fell out
+ and will come back later. */
+ DRM_DEBUG("no CRTCs available?\n");
+ return 0;
+ }
+
+//fail
+ /* Find the fb for our new config */
+ if (list_empty(&dev->mode_config.fb_kernel_list)) {
+ DRM_DEBUG("creating new fb (console size %dx%d, "
+ "buffer size %dx%d)\n", fb_width, fb_height,
+ surface_width, surface_height);
+ ret = intelfb_create(dev, fb_width, fb_height, surface_width,
+ surface_height, &intel_fb);
+ if (ret)
+ return -EINVAL;
+ new_fb = 1;
+ } else {
+ struct drm_framebuffer *fb;
+
+ fb = list_first_entry(&dev->mode_config.fb_kernel_list,
+ struct drm_framebuffer, filp_head);
+ intel_fb = to_intel_framebuffer(fb);
+
+ /* if someone hotplugs something bigger than we have already
+ * allocated, we are pwned. As really we can't resize an
+ * fbdev that is in the wild currently due to fbdev not really
+ * being designed for the lower layers moving stuff around
+ * under it.
+ * - so in the grand style of things - punt.
+ */
+ if ((fb->width < surface_width) ||
+ (fb->height < surface_height)) {
+ DRM_ERROR("fb not large enough for console\n");
+ return -EINVAL;
+ }
+ }
+// fail
+
+ info = intel_fb->base.fbdev;
+ par = info->par;
+
+ crtc_count = 0;
+ /*
+ * For each CRTC, set up the connector list for the CRTC's mode
+ * set configuration.
+ */
+ list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
+ struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+
+ modeset = &intel_crtc->mode_set;
+ modeset->fb = &intel_fb->base;
+ conn_count = 0;
+ list_for_each_entry(connector, &dev->mode_config.connector_list,
+ head) {
+ if (!connector->encoder)
+ continue;
+
+ if(connector->encoder->crtc == modeset->crtc) {
+ modeset->connectors[conn_count++] = connector;
+ if (conn_count > INTELFB_CONN_LIMIT)
+ BUG();
+ }
+ }
+
+ /* Zero out remaining connector pointers */
+ for (i = conn_count; i < INTELFB_CONN_LIMIT; i++)
+ modeset->connectors[i] = NULL;
+
+ par->crtc_ids[crtc_count++] = crtc->base.id;
+
+ modeset->num_connectors = conn_count;
+ if (modeset->mode != modeset->crtc->desired_mode)
+ modeset->mode = modeset->crtc->desired_mode;
+ }
+ par->crtc_count = crtc_count;
+
+ if (new_fb) {
+ info->var.pixclock = -1;
+ if (register_framebuffer(info) < 0)
+ return -EINVAL;
+ } else
+ intelfb_set_par(info);
+
+ printk(KERN_INFO "fb%d: %s frame buffer device\n", info->node,
+ info->fix.id);
+
+ /* Switch back to kernel console on panic */
+ kernelfb_mode = *modeset;
+ atomic_notifier_chain_register(&panic_notifier_list, &paniced);
+ printk(KERN_INFO "registered panic notifier\n");
+
+ return 0;
+}
+
+/**
+ * intelfb_restore - restore the framebuffer console (kernel) config
+ *
+ * Restore's the kernel's fbcon mode, used for lastclose & panic paths.
+ */
+void intelfb_restore(void)
+{
+ drm_crtc_helper_set_config(&kernelfb_mode);
+}
+
+static void intelfb_sysrq(int dummy1, struct tty_struct *dummy3)
+{
+ intelfb_restore();
+}
+
+static struct sysrq_key_op sysrq_intelfb_restore_op = {
+ .handler = intelfb_sysrq,
+ .help_msg = "force fb",
+ .action_msg = "force restore of fb console",
+};
+
+int intelfb_probe(struct drm_device *dev)
+{
+ int ret;
+
+ DRM_DEBUG("\n");
+
+ /* something has changed in the lower levels of hell - deal with it
+ here */
+
+ /* two modes : a) 1 fb to rule all crtcs.
+ b) one fb per crtc.
+ two actions 1) new connected device
+ 2) device removed.
+ case a/1 : if the fb surface isn't big enough - resize the surface fb.
+ if the fb size isn't big enough - resize fb into surface.
+ if everything big enough configure the new crtc/etc.
+ case a/2 : undo the configuration
+ possibly resize down the fb to fit the new configuration.
+ case b/1 : see if it is on a new crtc - setup a new fb and add it.
+ case b/2 : teardown the new fb.
+ */
+
+ /* mode a first */
+ /* search for an fb */
+ if (i915_fbpercrtc == 1) {
+ ret = intelfb_multi_fb_probe(dev);
+ } else {
+ ret = intelfb_single_fb_probe(dev);
+ }
+
+ register_sysrq_key('g', &sysrq_intelfb_restore_op);
+
+ return ret;
+}
+EXPORT_SYMBOL(intelfb_probe);
+
+int intelfb_remove(struct drm_device *dev, struct drm_framebuffer *fb)
+{
+ struct fb_info *info;
+
+ if (!fb)
+ return -EINVAL;
+
+ info = fb->fbdev;
+
+ if (info) {
+ unregister_framebuffer(info);
+ iounmap(info->screen_base);
+ framebuffer_release(info);
+ }
+
+ atomic_notifier_chain_unregister(&panic_notifier_list, &paniced);
+ memset(&kernelfb_mode, 0, sizeof(struct drm_mode_set));
+ return 0;
+}
+EXPORT_SYMBOL(intelfb_remove);
+MODULE_LICENSE("GPL and additional rights");
diff --git a/drivers/gpu/drm/i915/intel_i2c.c b/drivers/gpu/drm/i915/intel_i2c.c
new file mode 100644
index 00000000000..a5a2f5339e9
--- /dev/null
+++ b/drivers/gpu/drm/i915/intel_i2c.c
@@ -0,0 +1,184 @@
+/*
+ * Copyright (c) 2006 Dave Airlie <airlied@linux.ie>
+ * Copyright © 2006-2008 Intel Corporation
+ * Jesse Barnes <jesse.barnes@intel.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ * Eric Anholt <eric@anholt.net>
+ */
+#include <linux/i2c.h>
+#include <linux/i2c-id.h>
+#include <linux/i2c-algo-bit.h>
+#include "drmP.h"
+#include "drm.h"
+#include "intel_drv.h"
+#include "i915_drm.h"
+#include "i915_drv.h"
+
+/*
+ * Intel GPIO access functions
+ */
+
+#define I2C_RISEFALL_TIME 20
+
+static int get_clock(void *data)
+{
+ struct intel_i2c_chan *chan = data;
+ struct drm_i915_private *dev_priv = chan->drm_dev->dev_private;
+ u32 val;
+
+ val = I915_READ(chan->reg);
+ return ((val & GPIO_CLOCK_VAL_IN) != 0);
+}
+
+static int get_data(void *data)
+{
+ struct intel_i2c_chan *chan = data;
+ struct drm_i915_private *dev_priv = chan->drm_dev->dev_private;
+ u32 val;
+
+ val = I915_READ(chan->reg);
+ return ((val & GPIO_DATA_VAL_IN) != 0);
+}
+
+static void set_clock(void *data, int state_high)
+{
+ struct intel_i2c_chan *chan = data;
+ struct drm_device *dev = chan->drm_dev;
+ struct drm_i915_private *dev_priv = chan->drm_dev->dev_private;
+ u32 reserved = 0, clock_bits;
+
+ /* On most chips, these bits must be preserved in software. */
+ if (!IS_I830(dev) && !IS_845G(dev))
+ reserved = I915_READ(chan->reg) & (GPIO_DATA_PULLUP_DISABLE |
+ GPIO_CLOCK_PULLUP_DISABLE);
+
+ if (state_high)
+ clock_bits = GPIO_CLOCK_DIR_IN | GPIO_CLOCK_DIR_MASK;
+ else
+ clock_bits = GPIO_CLOCK_DIR_OUT | GPIO_CLOCK_DIR_MASK |
+ GPIO_CLOCK_VAL_MASK;
+ I915_WRITE(chan->reg, reserved | clock_bits);
+ udelay(I2C_RISEFALL_TIME); /* wait for the line to change state */
+}
+
+static void set_data(void *data, int state_high)
+{
+ struct intel_i2c_chan *chan = data;
+ struct drm_device *dev = chan->drm_dev;
+ struct drm_i915_private *dev_priv = chan->drm_dev->dev_private;
+ u32 reserved = 0, data_bits;
+
+ /* On most chips, these bits must be preserved in software. */
+ if (!IS_I830(dev) && !IS_845G(dev))
+ reserved = I915_READ(chan->reg) & (GPIO_DATA_PULLUP_DISABLE |
+ GPIO_CLOCK_PULLUP_DISABLE);
+
+ if (state_high)
+ data_bits = GPIO_DATA_DIR_IN | GPIO_DATA_DIR_MASK;
+ else
+ data_bits = GPIO_DATA_DIR_OUT | GPIO_DATA_DIR_MASK |
+ GPIO_DATA_VAL_MASK;
+
+ I915_WRITE(chan->reg, reserved | data_bits);
+ udelay(I2C_RISEFALL_TIME); /* wait for the line to change state */
+}
+
+/**
+ * intel_i2c_create - instantiate an Intel i2c bus using the specified GPIO reg
+ * @dev: DRM device
+ * @output: driver specific output device
+ * @reg: GPIO reg to use
+ * @name: name for this bus
+ *
+ * Creates and registers a new i2c bus with the Linux i2c layer, for use
+ * in output probing and control (e.g. DDC or SDVO control functions).
+ *
+ * Possible values for @reg include:
+ * %GPIOA
+ * %GPIOB
+ * %GPIOC
+ * %GPIOD
+ * %GPIOE
+ * %GPIOF
+ * %GPIOG
+ * %GPIOH
+ * see PRM for details on how these different busses are used.
+ */
+struct intel_i2c_chan *intel_i2c_create(struct drm_device *dev, const u32 reg,
+ const char *name)
+{
+ struct intel_i2c_chan *chan;
+
+ chan = kzalloc(sizeof(struct intel_i2c_chan), GFP_KERNEL);
+ if (!chan)
+ goto out_free;
+
+ chan->drm_dev = dev;
+ chan->reg = reg;
+ snprintf(chan->adapter.name, I2C_NAME_SIZE, "intel drm %s", name);
+ chan->adapter.owner = THIS_MODULE;
+#ifndef I2C_HW_B_INTELFB
+#define I2C_HW_B_INTELFB I2C_HW_B_I810
+#endif
+ chan->adapter.id = I2C_HW_B_INTELFB;
+ chan->adapter.algo_data = &chan->algo;
+ chan->adapter.dev.parent = &dev->pdev->dev;
+ chan->algo.setsda = set_data;
+ chan->algo.setscl = set_clock;
+ chan->algo.getsda = get_data;
+ chan->algo.getscl = get_clock;
+ chan->algo.udelay = 20;
+ chan->algo.timeout = usecs_to_jiffies(2200);
+ chan->algo.data = chan;
+
+ i2c_set_adapdata(&chan->adapter, chan);
+
+ if(i2c_bit_add_bus(&chan->adapter))
+ goto out_free;
+
+ /* JJJ: raise SCL and SDA? */
+ set_data(chan, 1);
+ set_clock(chan, 1);
+ udelay(20);
+
+ return chan;
+
+out_free:
+ kfree(chan);
+ return NULL;
+}
+
+/**
+ * intel_i2c_destroy - unregister and free i2c bus resources
+ * @output: channel to free
+ *
+ * Unregister the adapter from the i2c layer, then free the structure.
+ */
+void intel_i2c_destroy(struct intel_i2c_chan *chan)
+{
+ if (!chan)
+ return;
+
+ i2c_del_adapter(&chan->adapter);
+ kfree(chan);
+}
diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c
new file mode 100644
index 00000000000..ccecfaf6307
--- /dev/null
+++ b/drivers/gpu/drm/i915/intel_lvds.c
@@ -0,0 +1,525 @@
+/*
+ * Copyright © 2006-2007 Intel Corporation
+ * Copyright (c) 2006 Dave Airlie <airlied@linux.ie>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ * Eric Anholt <eric@anholt.net>
+ * Dave Airlie <airlied@linux.ie>
+ * Jesse Barnes <jesse.barnes@intel.com>
+ */
+
+#include <linux/i2c.h>
+#include "drmP.h"
+#include "drm.h"
+#include "drm_crtc.h"
+#include "drm_edid.h"
+#include "intel_drv.h"
+#include "i915_drm.h"
+#include "i915_drv.h"
+
+/**
+ * Sets the backlight level.
+ *
+ * \param level backlight level, from 0 to intel_lvds_get_max_backlight().
+ */
+static void intel_lvds_set_backlight(struct drm_device *dev, int level)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ u32 blc_pwm_ctl;
+
+ blc_pwm_ctl = I915_READ(BLC_PWM_CTL) & ~BACKLIGHT_DUTY_CYCLE_MASK;
+ I915_WRITE(BLC_PWM_CTL, (blc_pwm_ctl |
+ (level << BACKLIGHT_DUTY_CYCLE_SHIFT)));
+}
+
+/**
+ * Returns the maximum level of the backlight duty cycle field.
+ */
+static u32 intel_lvds_get_max_backlight(struct drm_device *dev)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+
+ return ((I915_READ(BLC_PWM_CTL) & BACKLIGHT_MODULATION_FREQ_MASK) >>
+ BACKLIGHT_MODULATION_FREQ_SHIFT) * 2;
+}
+
+/**
+ * Sets the power state for the panel.
+ */
+static void intel_lvds_set_power(struct drm_device *dev, bool on)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ u32 pp_status;
+
+ if (on) {
+ I915_WRITE(PP_CONTROL, I915_READ(PP_CONTROL) |
+ POWER_TARGET_ON);
+ do {
+ pp_status = I915_READ(PP_STATUS);
+ } while ((pp_status & PP_ON) == 0);
+
+ intel_lvds_set_backlight(dev, dev_priv->backlight_duty_cycle);
+ } else {
+ intel_lvds_set_backlight(dev, 0);
+
+ I915_WRITE(PP_CONTROL, I915_READ(PP_CONTROL) &
+ ~POWER_TARGET_ON);
+ do {
+ pp_status = I915_READ(PP_STATUS);
+ } while (pp_status & PP_ON);
+ }
+}
+
+static void intel_lvds_dpms(struct drm_encoder *encoder, int mode)
+{
+ struct drm_device *dev = encoder->dev;
+
+ if (mode == DRM_MODE_DPMS_ON)
+ intel_lvds_set_power(dev, true);
+ else
+ intel_lvds_set_power(dev, false);
+
+ /* XXX: We never power down the LVDS pairs. */
+}
+
+static void intel_lvds_save(struct drm_connector *connector)
+{
+ struct drm_device *dev = connector->dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+
+ dev_priv->savePP_ON = I915_READ(PP_ON_DELAYS);
+ dev_priv->savePP_OFF = I915_READ(PP_OFF_DELAYS);
+ dev_priv->savePP_CONTROL = I915_READ(PP_CONTROL);
+ dev_priv->savePP_DIVISOR = I915_READ(PP_DIVISOR);
+ dev_priv->saveBLC_PWM_CTL = I915_READ(BLC_PWM_CTL);
+ dev_priv->backlight_duty_cycle = (dev_priv->saveBLC_PWM_CTL &
+ BACKLIGHT_DUTY_CYCLE_MASK);
+
+ /*
+ * If the light is off at server startup, just make it full brightness
+ */
+ if (dev_priv->backlight_duty_cycle == 0)
+ dev_priv->backlight_duty_cycle =
+ intel_lvds_get_max_backlight(dev);
+}
+
+static void intel_lvds_restore(struct drm_connector *connector)
+{
+ struct drm_device *dev = connector->dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+
+ I915_WRITE(BLC_PWM_CTL, dev_priv->saveBLC_PWM_CTL);
+ I915_WRITE(PP_ON_DELAYS, dev_priv->savePP_ON);
+ I915_WRITE(PP_OFF_DELAYS, dev_priv->savePP_OFF);
+ I915_WRITE(PP_DIVISOR, dev_priv->savePP_DIVISOR);
+ I915_WRITE(PP_CONTROL, dev_priv->savePP_CONTROL);
+ if (dev_priv->savePP_CONTROL & POWER_TARGET_ON)
+ intel_lvds_set_power(dev, true);
+ else
+ intel_lvds_set_power(dev, false);
+}
+
+static int intel_lvds_mode_valid(struct drm_connector *connector,
+ struct drm_display_mode *mode)
+{
+ struct drm_device *dev = connector->dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_display_mode *fixed_mode = dev_priv->panel_fixed_mode;
+
+ if (fixed_mode) {
+ if (mode->hdisplay > fixed_mode->hdisplay)
+ return MODE_PANEL;
+ if (mode->vdisplay > fixed_mode->vdisplay)
+ return MODE_PANEL;
+ }
+
+ return MODE_OK;
+}
+
+static bool intel_lvds_mode_fixup(struct drm_encoder *encoder,
+ struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode)
+{
+ struct drm_device *dev = encoder->dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct intel_crtc *intel_crtc = to_intel_crtc(encoder->crtc);
+ struct drm_encoder *tmp_encoder;
+
+ /* Should never happen!! */
+ if (!IS_I965G(dev) && intel_crtc->pipe == 0) {
+ printk(KERN_ERR "Can't support LVDS on pipe A\n");
+ return false;
+ }
+
+ /* Should never happen!! */
+ list_for_each_entry(tmp_encoder, &dev->mode_config.encoder_list, head) {
+ if (tmp_encoder != encoder && tmp_encoder->crtc == encoder->crtc) {
+ printk(KERN_ERR "Can't enable LVDS and another "
+ "encoder on the same pipe\n");
+ return false;
+ }
+ }
+
+ /*
+ * If we have timings from the BIOS for the panel, put them in
+ * to the adjusted mode. The CRTC will be set up for this mode,
+ * with the panel scaling set up to source from the H/VDisplay
+ * of the original mode.
+ */
+ if (dev_priv->panel_fixed_mode != NULL) {
+ adjusted_mode->hdisplay = dev_priv->panel_fixed_mode->hdisplay;
+ adjusted_mode->hsync_start =
+ dev_priv->panel_fixed_mode->hsync_start;
+ adjusted_mode->hsync_end =
+ dev_priv->panel_fixed_mode->hsync_end;
+ adjusted_mode->htotal = dev_priv->panel_fixed_mode->htotal;
+ adjusted_mode->vdisplay = dev_priv->panel_fixed_mode->vdisplay;
+ adjusted_mode->vsync_start =
+ dev_priv->panel_fixed_mode->vsync_start;
+ adjusted_mode->vsync_end =
+ dev_priv->panel_fixed_mode->vsync_end;
+ adjusted_mode->vtotal = dev_priv->panel_fixed_mode->vtotal;
+ adjusted_mode->clock = dev_priv->panel_fixed_mode->clock;
+ drm_mode_set_crtcinfo(adjusted_mode, CRTC_INTERLACE_HALVE_V);
+ }
+
+ /*
+ * XXX: It would be nice to support lower refresh rates on the
+ * panels to reduce power consumption, and perhaps match the
+ * user's requested refresh rate.
+ */
+
+ return true;
+}
+
+static void intel_lvds_prepare(struct drm_encoder *encoder)
+{
+ struct drm_device *dev = encoder->dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+
+ dev_priv->saveBLC_PWM_CTL = I915_READ(BLC_PWM_CTL);
+ dev_priv->backlight_duty_cycle = (dev_priv->saveBLC_PWM_CTL &
+ BACKLIGHT_DUTY_CYCLE_MASK);
+
+ intel_lvds_set_power(dev, false);
+}
+
+static void intel_lvds_commit( struct drm_encoder *encoder)
+{
+ struct drm_device *dev = encoder->dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+
+ if (dev_priv->backlight_duty_cycle == 0)
+ dev_priv->backlight_duty_cycle =
+ intel_lvds_get_max_backlight(dev);
+
+ intel_lvds_set_power(dev, true);
+}
+
+static void intel_lvds_mode_set(struct drm_encoder *encoder,
+ struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode)
+{
+ struct drm_device *dev = encoder->dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct intel_crtc *intel_crtc = to_intel_crtc(encoder->crtc);
+ u32 pfit_control;
+
+ /*
+ * The LVDS pin pair will already have been turned on in the
+ * intel_crtc_mode_set since it has a large impact on the DPLL
+ * settings.
+ */
+
+ /*
+ * Enable automatic panel scaling so that non-native modes fill the
+ * screen. Should be enabled before the pipe is enabled, according to
+ * register description and PRM.
+ */
+ if (mode->hdisplay != adjusted_mode->hdisplay ||
+ mode->vdisplay != adjusted_mode->vdisplay)
+ pfit_control = (PFIT_ENABLE | VERT_AUTO_SCALE |
+ HORIZ_AUTO_SCALE | VERT_INTERP_BILINEAR |
+ HORIZ_INTERP_BILINEAR);
+ else
+ pfit_control = 0;
+
+ if (!IS_I965G(dev)) {
+ if (dev_priv->panel_wants_dither)
+ pfit_control |= PANEL_8TO6_DITHER_ENABLE;
+ }
+ else
+ pfit_control |= intel_crtc->pipe << PFIT_PIPE_SHIFT;
+
+ I915_WRITE(PFIT_CONTROL, pfit_control);
+}
+
+/**
+ * Detect the LVDS connection.
+ *
+ * This always returns CONNECTOR_STATUS_CONNECTED. This connector should only have
+ * been set up if the LVDS was actually connected anyway.
+ */
+static enum drm_connector_status intel_lvds_detect(struct drm_connector *connector)
+{
+ return connector_status_connected;
+}
+
+/**
+ * Return the list of DDC modes if available, or the BIOS fixed mode otherwise.
+ */
+static int intel_lvds_get_modes(struct drm_connector *connector)
+{
+ struct drm_device *dev = connector->dev;
+ struct intel_output *intel_output = to_intel_output(connector);
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ int ret = 0;
+
+ ret = intel_ddc_get_modes(intel_output);
+
+ if (ret)
+ return ret;
+
+ /* Didn't get an EDID, so
+ * Set wide sync ranges so we get all modes
+ * handed to valid_mode for checking
+ */
+ connector->display_info.min_vfreq = 0;
+ connector->display_info.max_vfreq = 200;
+ connector->display_info.min_hfreq = 0;
+ connector->display_info.max_hfreq = 200;
+
+ if (dev_priv->panel_fixed_mode != NULL) {
+ struct drm_display_mode *mode;
+
+ mutex_unlock(&dev->mode_config.mutex);
+ mode = drm_mode_duplicate(dev, dev_priv->panel_fixed_mode);
+ drm_mode_probed_add(connector, mode);
+ mutex_unlock(&dev->mode_config.mutex);
+
+ return 1;
+ }
+
+ return 0;
+}
+
+/**
+ * intel_lvds_destroy - unregister and free LVDS structures
+ * @connector: connector to free
+ *
+ * Unregister the DDC bus for this connector then free the driver private
+ * structure.
+ */
+static void intel_lvds_destroy(struct drm_connector *connector)
+{
+ struct intel_output *intel_output = to_intel_output(connector);
+
+ if (intel_output->ddc_bus)
+ intel_i2c_destroy(intel_output->ddc_bus);
+ drm_sysfs_connector_remove(connector);
+ drm_connector_cleanup(connector);
+ kfree(connector);
+}
+
+static const struct drm_encoder_helper_funcs intel_lvds_helper_funcs = {
+ .dpms = intel_lvds_dpms,
+ .mode_fixup = intel_lvds_mode_fixup,
+ .prepare = intel_lvds_prepare,
+ .mode_set = intel_lvds_mode_set,
+ .commit = intel_lvds_commit,
+};
+
+static const struct drm_connector_helper_funcs intel_lvds_connector_helper_funcs = {
+ .get_modes = intel_lvds_get_modes,
+ .mode_valid = intel_lvds_mode_valid,
+ .best_encoder = intel_best_encoder,
+};
+
+static const struct drm_connector_funcs intel_lvds_connector_funcs = {
+ .save = intel_lvds_save,
+ .restore = intel_lvds_restore,
+ .detect = intel_lvds_detect,
+ .fill_modes = drm_helper_probe_single_connector_modes,
+ .destroy = intel_lvds_destroy,
+};
+
+
+static void intel_lvds_enc_destroy(struct drm_encoder *encoder)
+{
+ drm_encoder_cleanup(encoder);
+}
+
+static const struct drm_encoder_funcs intel_lvds_enc_funcs = {
+ .destroy = intel_lvds_enc_destroy,
+};
+
+
+
+/**
+ * intel_lvds_init - setup LVDS connectors on this device
+ * @dev: drm device
+ *
+ * Create the connector, register the LVDS DDC bus, and try to figure out what
+ * modes we can display on the LVDS panel (if present).
+ */
+void intel_lvds_init(struct drm_device *dev)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct intel_output *intel_output;
+ struct drm_connector *connector;
+ struct drm_encoder *encoder;
+ struct drm_display_mode *scan; /* *modes, *bios_mode; */
+ struct drm_crtc *crtc;
+ u32 lvds;
+ int pipe;
+
+ intel_output = kzalloc(sizeof(struct intel_output), GFP_KERNEL);
+ if (!intel_output) {
+ return;
+ }
+
+ connector = &intel_output->base;
+ encoder = &intel_output->enc;
+ drm_connector_init(dev, &intel_output->base, &intel_lvds_connector_funcs,
+ DRM_MODE_CONNECTOR_LVDS);
+
+ drm_encoder_init(dev, &intel_output->enc, &intel_lvds_enc_funcs,
+ DRM_MODE_ENCODER_LVDS);
+
+ drm_mode_connector_attach_encoder(&intel_output->base, &intel_output->enc);
+ intel_output->type = INTEL_OUTPUT_LVDS;
+
+ drm_encoder_helper_add(encoder, &intel_lvds_helper_funcs);
+ drm_connector_helper_add(connector, &intel_lvds_connector_helper_funcs);
+ connector->display_info.subpixel_order = SubPixelHorizontalRGB;
+ connector->interlace_allowed = false;
+ connector->doublescan_allowed = false;
+
+
+ /*
+ * LVDS discovery:
+ * 1) check for EDID on DDC
+ * 2) check for VBT data
+ * 3) check to see if LVDS is already on
+ * if none of the above, no panel
+ * 4) make sure lid is open
+ * if closed, act like it's not there for now
+ */
+
+ /* Set up the DDC bus. */
+ intel_output->ddc_bus = intel_i2c_create(dev, GPIOC, "LVDSDDC_C");
+ if (!intel_output->ddc_bus) {
+ dev_printk(KERN_ERR, &dev->pdev->dev, "DDC bus registration "
+ "failed.\n");
+ goto failed;
+ }
+
+ /*
+ * Attempt to get the fixed panel mode from DDC. Assume that the
+ * preferred mode is the right one.
+ */
+ intel_ddc_get_modes(intel_output);
+
+ list_for_each_entry(scan, &connector->probed_modes, head) {
+ mutex_lock(&dev->mode_config.mutex);
+ if (scan->type & DRM_MODE_TYPE_PREFERRED) {
+ dev_priv->panel_fixed_mode =
+ drm_mode_duplicate(dev, scan);
+ mutex_unlock(&dev->mode_config.mutex);
+ goto out; /* FIXME: check for quirks */
+ }
+ mutex_unlock(&dev->mode_config.mutex);
+ }
+
+ /* Failed to get EDID, what about VBT? */
+ if (dev_priv->vbt_mode) {
+ mutex_lock(&dev->mode_config.mutex);
+ dev_priv->panel_fixed_mode =
+ drm_mode_duplicate(dev, dev_priv->vbt_mode);
+ mutex_unlock(&dev->mode_config.mutex);
+ }
+
+ /*
+ * If we didn't get EDID, try checking if the panel is already turned
+ * on. If so, assume that whatever is currently programmed is the
+ * correct mode.
+ */
+ lvds = I915_READ(LVDS);
+ pipe = (lvds & LVDS_PIPEB_SELECT) ? 1 : 0;
+ crtc = intel_get_crtc_from_pipe(dev, pipe);
+
+ if (crtc && (lvds & LVDS_PORT_EN)) {
+ dev_priv->panel_fixed_mode = intel_crtc_mode_get(dev, crtc);
+ if (dev_priv->panel_fixed_mode) {
+ dev_priv->panel_fixed_mode->type |=
+ DRM_MODE_TYPE_PREFERRED;
+ goto out; /* FIXME: check for quirks */
+ }
+ }
+
+ /* If we still don't have a mode after all that, give up. */
+ if (!dev_priv->panel_fixed_mode)
+ goto failed;
+
+ /* FIXME: detect aopen & mac mini type stuff automatically? */
+ /*
+ * Blacklist machines with BIOSes that list an LVDS panel without
+ * actually having one.
+ */
+ if (IS_I945GM(dev)) {
+ /* aopen mini pc */
+ if (dev->pdev->subsystem_vendor == 0xa0a0)
+ goto failed;
+
+ if ((dev->pdev->subsystem_vendor == 0x8086) &&
+ (dev->pdev->subsystem_device == 0x7270)) {
+ /* It's a Mac Mini or Macbook Pro.
+ *
+ * Apple hardware is out to get us. The macbook pro
+ * has a real LVDS panel, but the mac mini does not,
+ * and they have the same device IDs. We'll
+ * distinguish by panel size, on the assumption
+ * that Apple isn't about to make any machines with an
+ * 800x600 display.
+ */
+
+ if (dev_priv->panel_fixed_mode != NULL &&
+ dev_priv->panel_fixed_mode->hdisplay == 800 &&
+ dev_priv->panel_fixed_mode->vdisplay == 600) {
+ DRM_DEBUG("Suspected Mac Mini, ignoring the LVDS\n");
+ goto failed;
+ }
+ }
+ }
+
+
+out:
+ drm_sysfs_connector_add(connector);
+ return;
+
+failed:
+ DRM_DEBUG("No LVDS modes found, disabling.\n");
+ if (intel_output->ddc_bus)
+ intel_i2c_destroy(intel_output->ddc_bus);
+ drm_connector_cleanup(connector);
+ kfree(connector);
+}
diff --git a/drivers/gpu/drm/i915/intel_modes.c b/drivers/gpu/drm/i915/intel_modes.c
new file mode 100644
index 00000000000..e42019e5d66
--- /dev/null
+++ b/drivers/gpu/drm/i915/intel_modes.c
@@ -0,0 +1,83 @@
+/*
+ * Copyright (c) 2007 Dave Airlie <airlied@linux.ie>
+ * Copyright (c) 2007 Intel Corporation
+ * Jesse Barnes <jesse.barnes@intel.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#include <linux/i2c.h>
+#include <linux/fb.h>
+#include "drmP.h"
+#include "intel_drv.h"
+
+/**
+ * intel_ddc_probe
+ *
+ */
+bool intel_ddc_probe(struct intel_output *intel_output)
+{
+ u8 out_buf[] = { 0x0, 0x0};
+ u8 buf[2];
+ int ret;
+ struct i2c_msg msgs[] = {
+ {
+ .addr = 0x50,
+ .flags = 0,
+ .len = 1,
+ .buf = out_buf,
+ },
+ {
+ .addr = 0x50,
+ .flags = I2C_M_RD,
+ .len = 1,
+ .buf = buf,
+ }
+ };
+
+ ret = i2c_transfer(&intel_output->ddc_bus->adapter, msgs, 2);
+ if (ret == 2)
+ return true;
+
+ return false;
+}
+
+/**
+ * intel_ddc_get_modes - get modelist from monitor
+ * @connector: DRM connector device to use
+ *
+ * Fetch the EDID information from @connector using the DDC bus.
+ */
+int intel_ddc_get_modes(struct intel_output *intel_output)
+{
+ struct edid *edid;
+ int ret = 0;
+
+ edid = drm_get_edid(&intel_output->base,
+ &intel_output->ddc_bus->adapter);
+ if (edid) {
+ drm_mode_connector_update_edid_property(&intel_output->base,
+ edid);
+ ret = drm_add_edid_modes(&intel_output->base, edid);
+ kfree(edid);
+ }
+
+ return ret;
+}
diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c
new file mode 100644
index 00000000000..626258d72c9
--- /dev/null
+++ b/drivers/gpu/drm/i915/intel_sdvo.c
@@ -0,0 +1,1127 @@
+/*
+ * Copyright 2006 Dave Airlie <airlied@linux.ie>
+ * Copyright © 2006-2007 Intel Corporation
+ * Jesse Barnes <jesse.barnes@intel.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ * Eric Anholt <eric@anholt.net>
+ */
+#include <linux/i2c.h>
+#include <linux/delay.h>
+#include "drmP.h"
+#include "drm.h"
+#include "drm_crtc.h"
+#include "intel_drv.h"
+#include "i915_drm.h"
+#include "i915_drv.h"
+#include "intel_sdvo_regs.h"
+
+#undef SDVO_DEBUG
+
+struct intel_sdvo_priv {
+ struct intel_i2c_chan *i2c_bus;
+ int slaveaddr;
+ int output_device;
+
+ u16 active_outputs;
+
+ struct intel_sdvo_caps caps;
+ int pixel_clock_min, pixel_clock_max;
+
+ int save_sdvo_mult;
+ u16 save_active_outputs;
+ struct intel_sdvo_dtd save_input_dtd_1, save_input_dtd_2;
+ struct intel_sdvo_dtd save_output_dtd[16];
+ u32 save_SDVOX;
+};
+
+/**
+ * Writes the SDVOB or SDVOC with the given value, but always writes both
+ * SDVOB and SDVOC to work around apparent hardware issues (according to
+ * comments in the BIOS).
+ */
+void intel_sdvo_write_sdvox(struct intel_output *intel_output, u32 val)
+{
+ struct drm_device *dev = intel_output->base.dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
+ u32 bval = val, cval = val;
+ int i;
+
+ if (sdvo_priv->output_device == SDVOB) {
+ cval = I915_READ(SDVOC);
+ } else {
+ bval = I915_READ(SDVOB);
+ }
+ /*
+ * Write the registers twice for luck. Sometimes,
+ * writing them only once doesn't appear to 'stick'.
+ * The BIOS does this too. Yay, magic
+ */
+ for (i = 0; i < 2; i++)
+ {
+ I915_WRITE(SDVOB, bval);
+ I915_READ(SDVOB);
+ I915_WRITE(SDVOC, cval);
+ I915_READ(SDVOC);
+ }
+}
+
+static bool intel_sdvo_read_byte(struct intel_output *intel_output, u8 addr,
+ u8 *ch)
+{
+ struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
+ u8 out_buf[2];
+ u8 buf[2];
+ int ret;
+
+ struct i2c_msg msgs[] = {
+ {
+ .addr = sdvo_priv->i2c_bus->slave_addr,
+ .flags = 0,
+ .len = 1,
+ .buf = out_buf,
+ },
+ {
+ .addr = sdvo_priv->i2c_bus->slave_addr,
+ .flags = I2C_M_RD,
+ .len = 1,
+ .buf = buf,
+ }
+ };
+
+ out_buf[0] = addr;
+ out_buf[1] = 0;
+
+ if ((ret = i2c_transfer(&sdvo_priv->i2c_bus->adapter, msgs, 2)) == 2)
+ {
+ *ch = buf[0];
+ return true;
+ }
+
+ DRM_DEBUG("i2c transfer returned %d\n", ret);
+ return false;
+}
+
+static bool intel_sdvo_write_byte(struct intel_output *intel_output, int addr,
+ u8 ch)
+{
+ u8 out_buf[2];
+ struct i2c_msg msgs[] = {
+ {
+ .addr = intel_output->i2c_bus->slave_addr,
+ .flags = 0,
+ .len = 2,
+ .buf = out_buf,
+ }
+ };
+
+ out_buf[0] = addr;
+ out_buf[1] = ch;
+
+ if (i2c_transfer(&intel_output->i2c_bus->adapter, msgs, 1) == 1)
+ {
+ return true;
+ }
+ return false;
+}
+
+#define SDVO_CMD_NAME_ENTRY(cmd) {cmd, #cmd}
+/** Mapping of command numbers to names, for debug output */
+const static struct _sdvo_cmd_name {
+ u8 cmd;
+ char *name;
+} sdvo_cmd_names[] = {
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_RESET),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_DEVICE_CAPS),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FIRMWARE_REV),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TRAINED_INPUTS),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ACTIVE_OUTPUTS),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ACTIVE_OUTPUTS),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_IN_OUT_MAP),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_IN_OUT_MAP),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ATTACHED_DISPLAYS),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HOT_PLUG_SUPPORT),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ACTIVE_HOT_PLUG),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ACTIVE_HOT_PLUG),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INTERRUPT_EVENT_SOURCE),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TARGET_INPUT),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TARGET_OUTPUT),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_TIMINGS_PART1),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_TIMINGS_PART2),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART1),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART2),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART1),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OUTPUT_TIMINGS_PART1),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OUTPUT_TIMINGS_PART2),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_TIMINGS_PART1),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_TIMINGS_PART2),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_PIXEL_CLOCK_RANGE),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_CLOCK_RATE_MULTS),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_CLOCK_RATE_MULT),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CLOCK_RATE_MULT),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_TV_FORMATS),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_FORMAT),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_FORMAT),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_RESOLUTION_SUPPORT),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CONTROL_BUS_SWITCH),
+};
+
+#define SDVO_NAME(dev_priv) ((dev_priv)->output_device == SDVOB ? "SDVOB" : "SDVOC")
+#define SDVO_PRIV(output) ((struct intel_sdvo_priv *) (output)->dev_priv)
+
+#ifdef SDVO_DEBUG
+static void intel_sdvo_debug_write(struct intel_output *intel_output, u8 cmd,
+ void *args, int args_len)
+{
+ struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
+ int i;
+
+ DRM_DEBUG("%s: W: %02X ", SDVO_NAME(sdvo_priv), cmd);
+ for (i = 0; i < args_len; i++)
+ printk("%02X ", ((u8 *)args)[i]);
+ for (; i < 8; i++)
+ printk(" ");
+ for (i = 0; i < sizeof(sdvo_cmd_names) / sizeof(sdvo_cmd_names[0]); i++) {
+ if (cmd == sdvo_cmd_names[i].cmd) {
+ printk("(%s)", sdvo_cmd_names[i].name);
+ break;
+ }
+ }
+ if (i == sizeof(sdvo_cmd_names)/ sizeof(sdvo_cmd_names[0]))
+ printk("(%02X)",cmd);
+ printk("\n");
+}
+#else
+#define intel_sdvo_debug_write(o, c, a, l)
+#endif
+
+static void intel_sdvo_write_cmd(struct intel_output *intel_output, u8 cmd,
+ void *args, int args_len)
+{
+ int i;
+
+ intel_sdvo_debug_write(intel_output, cmd, args, args_len);
+
+ for (i = 0; i < args_len; i++) {
+ intel_sdvo_write_byte(intel_output, SDVO_I2C_ARG_0 - i,
+ ((u8*)args)[i]);
+ }
+
+ intel_sdvo_write_byte(intel_output, SDVO_I2C_OPCODE, cmd);
+}
+
+#ifdef SDVO_DEBUG
+static const char *cmd_status_names[] = {
+ "Power on",
+ "Success",
+ "Not supported",
+ "Invalid arg",
+ "Pending",
+ "Target not specified",
+ "Scaling not supported"
+};
+
+static void intel_sdvo_debug_response(struct intel_output *intel_output,
+ void *response, int response_len,
+ u8 status)
+{
+ struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
+
+ DRM_DEBUG("%s: R: ", SDVO_NAME(sdvo_priv));
+ for (i = 0; i < response_len; i++)
+ printk("%02X ", ((u8 *)response)[i]);
+ for (; i < 8; i++)
+ printk(" ");
+ if (status <= SDVO_CMD_STATUS_SCALING_NOT_SUPP)
+ printk("(%s)", cmd_status_names[status]);
+ else
+ printk("(??? %d)", status);
+ printk("\n");
+}
+#else
+#define intel_sdvo_debug_response(o, r, l, s)
+#endif
+
+static u8 intel_sdvo_read_response(struct intel_output *intel_output,
+ void *response, int response_len)
+{
+ int i;
+ u8 status;
+ u8 retry = 50;
+
+ while (retry--) {
+ /* Read the command response */
+ for (i = 0; i < response_len; i++) {
+ intel_sdvo_read_byte(intel_output,
+ SDVO_I2C_RETURN_0 + i,
+ &((u8 *)response)[i]);
+ }
+
+ /* read the return status */
+ intel_sdvo_read_byte(intel_output, SDVO_I2C_CMD_STATUS,
+ &status);
+
+ intel_sdvo_debug_response(intel_output, response, response_len,
+ status);
+ if (status != SDVO_CMD_STATUS_PENDING)
+ return status;
+
+ mdelay(50);
+ }
+
+ return status;
+}
+
+int intel_sdvo_get_pixel_multiplier(struct drm_display_mode *mode)
+{
+ if (mode->clock >= 100000)
+ return 1;
+ else if (mode->clock >= 50000)
+ return 2;
+ else
+ return 4;
+}
+
+/**
+ * Don't check status code from this as it switches the bus back to the
+ * SDVO chips which defeats the purpose of doing a bus switch in the first
+ * place.
+ */
+void intel_sdvo_set_control_bus_switch(struct intel_output *intel_output, u8 target)
+{
+ intel_sdvo_write_cmd(intel_output, SDVO_CMD_SET_CONTROL_BUS_SWITCH, &target, 1);
+}
+
+static bool intel_sdvo_set_target_input(struct intel_output *intel_output, bool target_0, bool target_1)
+{
+ struct intel_sdvo_set_target_input_args targets = {0};
+ u8 status;
+
+ if (target_0 && target_1)
+ return SDVO_CMD_STATUS_NOTSUPP;
+
+ if (target_1)
+ targets.target_1 = 1;
+
+ intel_sdvo_write_cmd(intel_output, SDVO_CMD_SET_TARGET_INPUT, &targets,
+ sizeof(targets));
+
+ status = intel_sdvo_read_response(intel_output, NULL, 0);
+
+ return (status == SDVO_CMD_STATUS_SUCCESS);
+}
+
+/**
+ * Return whether each input is trained.
+ *
+ * This function is making an assumption about the layout of the response,
+ * which should be checked against the docs.
+ */
+static bool intel_sdvo_get_trained_inputs(struct intel_output *intel_output, bool *input_1, bool *input_2)
+{
+ struct intel_sdvo_get_trained_inputs_response response;
+ u8 status;
+
+ intel_sdvo_write_cmd(intel_output, SDVO_CMD_GET_TRAINED_INPUTS, NULL, 0);
+ status = intel_sdvo_read_response(intel_output, &response, sizeof(response));
+ if (status != SDVO_CMD_STATUS_SUCCESS)
+ return false;
+
+ *input_1 = response.input0_trained;
+ *input_2 = response.input1_trained;
+ return true;
+}
+
+static bool intel_sdvo_get_active_outputs(struct intel_output *intel_output,
+ u16 *outputs)
+{
+ u8 status;
+
+ intel_sdvo_write_cmd(intel_output, SDVO_CMD_GET_ACTIVE_OUTPUTS, NULL, 0);
+ status = intel_sdvo_read_response(intel_output, outputs, sizeof(*outputs));
+
+ return (status == SDVO_CMD_STATUS_SUCCESS);
+}
+
+static bool intel_sdvo_set_active_outputs(struct intel_output *intel_output,
+ u16 outputs)
+{
+ u8 status;
+
+ intel_sdvo_write_cmd(intel_output, SDVO_CMD_SET_ACTIVE_OUTPUTS, &outputs,
+ sizeof(outputs));
+ status = intel_sdvo_read_response(intel_output, NULL, 0);
+ return (status == SDVO_CMD_STATUS_SUCCESS);
+}
+
+static bool intel_sdvo_set_encoder_power_state(struct intel_output *intel_output,
+ int mode)
+{
+ u8 status, state = SDVO_ENCODER_STATE_ON;
+
+ switch (mode) {
+ case DRM_MODE_DPMS_ON:
+ state = SDVO_ENCODER_STATE_ON;
+ break;
+ case DRM_MODE_DPMS_STANDBY:
+ state = SDVO_ENCODER_STATE_STANDBY;
+ break;
+ case DRM_MODE_DPMS_SUSPEND:
+ state = SDVO_ENCODER_STATE_SUSPEND;
+ break;
+ case DRM_MODE_DPMS_OFF:
+ state = SDVO_ENCODER_STATE_OFF;
+ break;
+ }
+
+ intel_sdvo_write_cmd(intel_output, SDVO_CMD_SET_ENCODER_POWER_STATE, &state,
+ sizeof(state));
+ status = intel_sdvo_read_response(intel_output, NULL, 0);
+
+ return (status == SDVO_CMD_STATUS_SUCCESS);
+}
+
+static bool intel_sdvo_get_input_pixel_clock_range(struct intel_output *intel_output,
+ int *clock_min,
+ int *clock_max)
+{
+ struct intel_sdvo_pixel_clock_range clocks;
+ u8 status;
+
+ intel_sdvo_write_cmd(intel_output, SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE,
+ NULL, 0);
+
+ status = intel_sdvo_read_response(intel_output, &clocks, sizeof(clocks));
+
+ if (status != SDVO_CMD_STATUS_SUCCESS)
+ return false;
+
+ /* Convert the values from units of 10 kHz to kHz. */
+ *clock_min = clocks.min * 10;
+ *clock_max = clocks.max * 10;
+
+ return true;
+}
+
+static bool intel_sdvo_set_target_output(struct intel_output *intel_output,
+ u16 outputs)
+{
+ u8 status;
+
+ intel_sdvo_write_cmd(intel_output, SDVO_CMD_SET_TARGET_OUTPUT, &outputs,
+ sizeof(outputs));
+
+ status = intel_sdvo_read_response(intel_output, NULL, 0);
+ return (status == SDVO_CMD_STATUS_SUCCESS);
+}
+
+static bool intel_sdvo_get_timing(struct intel_output *intel_output, u8 cmd,
+ struct intel_sdvo_dtd *dtd)
+{
+ u8 status;
+
+ intel_sdvo_write_cmd(intel_output, cmd, NULL, 0);
+ status = intel_sdvo_read_response(intel_output, &dtd->part1,
+ sizeof(dtd->part1));
+ if (status != SDVO_CMD_STATUS_SUCCESS)
+ return false;
+
+ intel_sdvo_write_cmd(intel_output, cmd + 1, NULL, 0);
+ status = intel_sdvo_read_response(intel_output, &dtd->part2,
+ sizeof(dtd->part2));
+ if (status != SDVO_CMD_STATUS_SUCCESS)
+ return false;
+
+ return true;
+}
+
+static bool intel_sdvo_get_input_timing(struct intel_output *intel_output,
+ struct intel_sdvo_dtd *dtd)
+{
+ return intel_sdvo_get_timing(intel_output,
+ SDVO_CMD_GET_INPUT_TIMINGS_PART1, dtd);
+}
+
+static bool intel_sdvo_get_output_timing(struct intel_output *intel_output,
+ struct intel_sdvo_dtd *dtd)
+{
+ return intel_sdvo_get_timing(intel_output,
+ SDVO_CMD_GET_OUTPUT_TIMINGS_PART1, dtd);
+}
+
+static bool intel_sdvo_set_timing(struct intel_output *intel_output, u8 cmd,
+ struct intel_sdvo_dtd *dtd)
+{
+ u8 status;
+
+ intel_sdvo_write_cmd(intel_output, cmd, &dtd->part1, sizeof(dtd->part1));
+ status = intel_sdvo_read_response(intel_output, NULL, 0);
+ if (status != SDVO_CMD_STATUS_SUCCESS)
+ return false;
+
+ intel_sdvo_write_cmd(intel_output, cmd + 1, &dtd->part2, sizeof(dtd->part2));
+ status = intel_sdvo_read_response(intel_output, NULL, 0);
+ if (status != SDVO_CMD_STATUS_SUCCESS)
+ return false;
+
+ return true;
+}
+
+static bool intel_sdvo_set_input_timing(struct intel_output *intel_output,
+ struct intel_sdvo_dtd *dtd)
+{
+ return intel_sdvo_set_timing(intel_output,
+ SDVO_CMD_SET_INPUT_TIMINGS_PART1, dtd);
+}
+
+static bool intel_sdvo_set_output_timing(struct intel_output *intel_output,
+ struct intel_sdvo_dtd *dtd)
+{
+ return intel_sdvo_set_timing(intel_output,
+ SDVO_CMD_SET_OUTPUT_TIMINGS_PART1, dtd);
+}
+
+
+static int intel_sdvo_get_clock_rate_mult(struct intel_output *intel_output)
+{
+ u8 response, status;
+
+ intel_sdvo_write_cmd(intel_output, SDVO_CMD_GET_CLOCK_RATE_MULT, NULL, 0);
+ status = intel_sdvo_read_response(intel_output, &response, 1);
+
+ if (status != SDVO_CMD_STATUS_SUCCESS) {
+ DRM_DEBUG("Couldn't get SDVO clock rate multiplier\n");
+ return SDVO_CLOCK_RATE_MULT_1X;
+ } else {
+ DRM_DEBUG("Current clock rate multiplier: %d\n", response);
+ }
+
+ return response;
+}
+
+static bool intel_sdvo_set_clock_rate_mult(struct intel_output *intel_output, u8 val)
+{
+ u8 status;
+
+ intel_sdvo_write_cmd(intel_output, SDVO_CMD_SET_CLOCK_RATE_MULT, &val, 1);
+ status = intel_sdvo_read_response(intel_output, NULL, 0);
+ if (status != SDVO_CMD_STATUS_SUCCESS)
+ return false;
+
+ return true;
+}
+
+static bool intel_sdvo_mode_fixup(struct drm_encoder *encoder,
+ struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode)
+{
+ /* Make the CRTC code factor in the SDVO pixel multiplier. The SDVO
+ * device will be told of the multiplier during mode_set.
+ */
+ adjusted_mode->clock *= intel_sdvo_get_pixel_multiplier(mode);
+ return true;
+}
+
+static void intel_sdvo_mode_set(struct drm_encoder *encoder,
+ struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode)
+{
+ struct drm_device *dev = encoder->dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_crtc *crtc = encoder->crtc;
+ struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+ struct intel_output *intel_output = enc_to_intel_output(encoder);
+ struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
+ u16 width, height;
+ u16 h_blank_len, h_sync_len, v_blank_len, v_sync_len;
+ u16 h_sync_offset, v_sync_offset;
+ u32 sdvox;
+ struct intel_sdvo_dtd output_dtd;
+ int sdvo_pixel_multiply;
+
+ if (!mode)
+ return;
+
+ width = mode->crtc_hdisplay;
+ height = mode->crtc_vdisplay;
+
+ /* do some mode translations */
+ h_blank_len = mode->crtc_hblank_end - mode->crtc_hblank_start;
+ h_sync_len = mode->crtc_hsync_end - mode->crtc_hsync_start;
+
+ v_blank_len = mode->crtc_vblank_end - mode->crtc_vblank_start;
+ v_sync_len = mode->crtc_vsync_end - mode->crtc_vsync_start;
+
+ h_sync_offset = mode->crtc_hsync_start - mode->crtc_hblank_start;
+ v_sync_offset = mode->crtc_vsync_start - mode->crtc_vblank_start;
+
+ output_dtd.part1.clock = mode->clock / 10;
+ output_dtd.part1.h_active = width & 0xff;
+ output_dtd.part1.h_blank = h_blank_len & 0xff;
+ output_dtd.part1.h_high = (((width >> 8) & 0xf) << 4) |
+ ((h_blank_len >> 8) & 0xf);
+ output_dtd.part1.v_active = height & 0xff;
+ output_dtd.part1.v_blank = v_blank_len & 0xff;
+ output_dtd.part1.v_high = (((height >> 8) & 0xf) << 4) |
+ ((v_blank_len >> 8) & 0xf);
+
+ output_dtd.part2.h_sync_off = h_sync_offset;
+ output_dtd.part2.h_sync_width = h_sync_len & 0xff;
+ output_dtd.part2.v_sync_off_width = (v_sync_offset & 0xf) << 4 |
+ (v_sync_len & 0xf);
+ output_dtd.part2.sync_off_width_high = ((h_sync_offset & 0x300) >> 2) |
+ ((h_sync_len & 0x300) >> 4) | ((v_sync_offset & 0x30) >> 2) |
+ ((v_sync_len & 0x30) >> 4);
+
+ output_dtd.part2.dtd_flags = 0x18;
+ if (mode->flags & DRM_MODE_FLAG_PHSYNC)
+ output_dtd.part2.dtd_flags |= 0x2;
+ if (mode->flags & DRM_MODE_FLAG_PVSYNC)
+ output_dtd.part2.dtd_flags |= 0x4;
+
+ output_dtd.part2.sdvo_flags = 0;
+ output_dtd.part2.v_sync_off_high = v_sync_offset & 0xc0;
+ output_dtd.part2.reserved = 0;
+
+ /* Set the output timing to the screen */
+ intel_sdvo_set_target_output(intel_output, sdvo_priv->active_outputs);
+ intel_sdvo_set_output_timing(intel_output, &output_dtd);
+
+ /* Set the input timing to the screen. Assume always input 0. */
+ intel_sdvo_set_target_input(intel_output, true, false);
+
+ /* We would like to use i830_sdvo_create_preferred_input_timing() to
+ * provide the device with a timing it can support, if it supports that
+ * feature. However, presumably we would need to adjust the CRTC to
+ * output the preferred timing, and we don't support that currently.
+ */
+ intel_sdvo_set_input_timing(intel_output, &output_dtd);
+
+ switch (intel_sdvo_get_pixel_multiplier(mode)) {
+ case 1:
+ intel_sdvo_set_clock_rate_mult(intel_output,
+ SDVO_CLOCK_RATE_MULT_1X);
+ break;
+ case 2:
+ intel_sdvo_set_clock_rate_mult(intel_output,
+ SDVO_CLOCK_RATE_MULT_2X);
+ break;
+ case 4:
+ intel_sdvo_set_clock_rate_mult(intel_output,
+ SDVO_CLOCK_RATE_MULT_4X);
+ break;
+ }
+
+ /* Set the SDVO control regs. */
+ if (0/*IS_I965GM(dev)*/) {
+ sdvox = SDVO_BORDER_ENABLE;
+ } else {
+ sdvox = I915_READ(sdvo_priv->output_device);
+ switch (sdvo_priv->output_device) {
+ case SDVOB:
+ sdvox &= SDVOB_PRESERVE_MASK;
+ break;
+ case SDVOC:
+ sdvox &= SDVOC_PRESERVE_MASK;
+ break;
+ }
+ sdvox |= (9 << 19) | SDVO_BORDER_ENABLE;
+ }
+ if (intel_crtc->pipe == 1)
+ sdvox |= SDVO_PIPE_B_SELECT;
+
+ sdvo_pixel_multiply = intel_sdvo_get_pixel_multiplier(mode);
+ if (IS_I965G(dev)) {
+ /* done in crtc_mode_set as the dpll_md reg must be written
+ early */
+ } else if (IS_I945G(dev) || IS_I945GM(dev)) {
+ /* done in crtc_mode_set as it lives inside the
+ dpll register */
+ } else {
+ sdvox |= (sdvo_pixel_multiply - 1) << SDVO_PORT_MULTIPLY_SHIFT;
+ }
+
+ intel_sdvo_write_sdvox(intel_output, sdvox);
+}
+
+static void intel_sdvo_dpms(struct drm_encoder *encoder, int mode)
+{
+ struct drm_device *dev = encoder->dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct intel_output *intel_output = enc_to_intel_output(encoder);
+ struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
+ u32 temp;
+
+ if (mode != DRM_MODE_DPMS_ON) {
+ intel_sdvo_set_active_outputs(intel_output, 0);
+ if (0)
+ intel_sdvo_set_encoder_power_state(intel_output, mode);
+
+ if (mode == DRM_MODE_DPMS_OFF) {
+ temp = I915_READ(sdvo_priv->output_device);
+ if ((temp & SDVO_ENABLE) != 0) {
+ intel_sdvo_write_sdvox(intel_output, temp & ~SDVO_ENABLE);
+ }
+ }
+ } else {
+ bool input1, input2;
+ int i;
+ u8 status;
+
+ temp = I915_READ(sdvo_priv->output_device);
+ if ((temp & SDVO_ENABLE) == 0)
+ intel_sdvo_write_sdvox(intel_output, temp | SDVO_ENABLE);
+ for (i = 0; i < 2; i++)
+ intel_wait_for_vblank(dev);
+
+ status = intel_sdvo_get_trained_inputs(intel_output, &input1,
+ &input2);
+
+
+ /* Warn if the device reported failure to sync.
+ * A lot of SDVO devices fail to notify of sync, but it's
+ * a given it the status is a success, we succeeded.
+ */
+ if (status == SDVO_CMD_STATUS_SUCCESS && !input1) {
+ DRM_DEBUG("First %s output reported failure to sync\n",
+ SDVO_NAME(sdvo_priv));
+ }
+
+ if (0)
+ intel_sdvo_set_encoder_power_state(intel_output, mode);
+ intel_sdvo_set_active_outputs(intel_output, sdvo_priv->active_outputs);
+ }
+ return;
+}
+
+static void intel_sdvo_save(struct drm_connector *connector)
+{
+ struct drm_device *dev = connector->dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct intel_output *intel_output = to_intel_output(connector);
+ struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
+ int o;
+
+ sdvo_priv->save_sdvo_mult = intel_sdvo_get_clock_rate_mult(intel_output);
+ intel_sdvo_get_active_outputs(intel_output, &sdvo_priv->save_active_outputs);
+
+ if (sdvo_priv->caps.sdvo_inputs_mask & 0x1) {
+ intel_sdvo_set_target_input(intel_output, true, false);
+ intel_sdvo_get_input_timing(intel_output,
+ &sdvo_priv->save_input_dtd_1);
+ }
+
+ if (sdvo_priv->caps.sdvo_inputs_mask & 0x2) {
+ intel_sdvo_set_target_input(intel_output, false, true);
+ intel_sdvo_get_input_timing(intel_output,
+ &sdvo_priv->save_input_dtd_2);
+ }
+
+ for (o = SDVO_OUTPUT_FIRST; o <= SDVO_OUTPUT_LAST; o++)
+ {
+ u16 this_output = (1 << o);
+ if (sdvo_priv->caps.output_flags & this_output)
+ {
+ intel_sdvo_set_target_output(intel_output, this_output);
+ intel_sdvo_get_output_timing(intel_output,
+ &sdvo_priv->save_output_dtd[o]);
+ }
+ }
+
+ sdvo_priv->save_SDVOX = I915_READ(sdvo_priv->output_device);
+}
+
+static void intel_sdvo_restore(struct drm_connector *connector)
+{
+ struct drm_device *dev = connector->dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct intel_output *intel_output = to_intel_output(connector);
+ struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
+ int o;
+ int i;
+ bool input1, input2;
+ u8 status;
+
+ intel_sdvo_set_active_outputs(intel_output, 0);
+
+ for (o = SDVO_OUTPUT_FIRST; o <= SDVO_OUTPUT_LAST; o++)
+ {
+ u16 this_output = (1 << o);
+ if (sdvo_priv->caps.output_flags & this_output) {
+ intel_sdvo_set_target_output(intel_output, this_output);
+ intel_sdvo_set_output_timing(intel_output, &sdvo_priv->save_output_dtd[o]);
+ }
+ }
+
+ if (sdvo_priv->caps.sdvo_inputs_mask & 0x1) {
+ intel_sdvo_set_target_input(intel_output, true, false);
+ intel_sdvo_set_input_timing(intel_output, &sdvo_priv->save_input_dtd_1);
+ }
+
+ if (sdvo_priv->caps.sdvo_inputs_mask & 0x2) {
+ intel_sdvo_set_target_input(intel_output, false, true);
+ intel_sdvo_set_input_timing(intel_output, &sdvo_priv->save_input_dtd_2);
+ }
+
+ intel_sdvo_set_clock_rate_mult(intel_output, sdvo_priv->save_sdvo_mult);
+
+ I915_WRITE(sdvo_priv->output_device, sdvo_priv->save_SDVOX);
+
+ if (sdvo_priv->save_SDVOX & SDVO_ENABLE)
+ {
+ for (i = 0; i < 2; i++)
+ intel_wait_for_vblank(dev);
+ status = intel_sdvo_get_trained_inputs(intel_output, &input1, &input2);
+ if (status == SDVO_CMD_STATUS_SUCCESS && !input1)
+ DRM_DEBUG("First %s output reported failure to sync\n",
+ SDVO_NAME(sdvo_priv));
+ }
+
+ intel_sdvo_set_active_outputs(intel_output, sdvo_priv->save_active_outputs);
+}
+
+static int intel_sdvo_mode_valid(struct drm_connector *connector,
+ struct drm_display_mode *mode)
+{
+ struct intel_output *intel_output = to_intel_output(connector);
+ struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
+
+ if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
+ return MODE_NO_DBLESCAN;
+
+ if (sdvo_priv->pixel_clock_min > mode->clock)
+ return MODE_CLOCK_LOW;
+
+ if (sdvo_priv->pixel_clock_max < mode->clock)
+ return MODE_CLOCK_HIGH;
+
+ return MODE_OK;
+}
+
+static bool intel_sdvo_get_capabilities(struct intel_output *intel_output, struct intel_sdvo_caps *caps)
+{
+ u8 status;
+
+ intel_sdvo_write_cmd(intel_output, SDVO_CMD_GET_DEVICE_CAPS, NULL, 0);
+ status = intel_sdvo_read_response(intel_output, caps, sizeof(*caps));
+ if (status != SDVO_CMD_STATUS_SUCCESS)
+ return false;
+
+ return true;
+}
+
+struct drm_connector* intel_sdvo_find(struct drm_device *dev, int sdvoB)
+{
+ struct drm_connector *connector = NULL;
+ struct intel_output *iout = NULL;
+ struct intel_sdvo_priv *sdvo;
+
+ /* find the sdvo connector */
+ list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
+ iout = to_intel_output(connector);
+
+ if (iout->type != INTEL_OUTPUT_SDVO)
+ continue;
+
+ sdvo = iout->dev_priv;
+
+ if (sdvo->output_device == SDVOB && sdvoB)
+ return connector;
+
+ if (sdvo->output_device == SDVOC && !sdvoB)
+ return connector;
+
+ }
+
+ return NULL;
+}
+
+int intel_sdvo_supports_hotplug(struct drm_connector *connector)
+{
+ u8 response[2];
+ u8 status;
+ struct intel_output *intel_output;
+ DRM_DEBUG("\n");
+
+ if (!connector)
+ return 0;
+
+ intel_output = to_intel_output(connector);
+
+ intel_sdvo_write_cmd(intel_output, SDVO_CMD_GET_HOT_PLUG_SUPPORT, NULL, 0);
+ status = intel_sdvo_read_response(intel_output, &response, 2);
+
+ if (response[0] !=0)
+ return 1;
+
+ return 0;
+}
+
+void intel_sdvo_set_hotplug(struct drm_connector *connector, int on)
+{
+ u8 response[2];
+ u8 status;
+ struct intel_output *intel_output = to_intel_output(connector);
+
+ intel_sdvo_write_cmd(intel_output, SDVO_CMD_GET_ACTIVE_HOT_PLUG, NULL, 0);
+ intel_sdvo_read_response(intel_output, &response, 2);
+
+ if (on) {
+ intel_sdvo_write_cmd(intel_output, SDVO_CMD_GET_HOT_PLUG_SUPPORT, NULL, 0);
+ status = intel_sdvo_read_response(intel_output, &response, 2);
+
+ intel_sdvo_write_cmd(intel_output, SDVO_CMD_SET_ACTIVE_HOT_PLUG, &response, 2);
+ } else {
+ response[0] = 0;
+ response[1] = 0;
+ intel_sdvo_write_cmd(intel_output, SDVO_CMD_SET_ACTIVE_HOT_PLUG, &response, 2);
+ }
+
+ intel_sdvo_write_cmd(intel_output, SDVO_CMD_GET_ACTIVE_HOT_PLUG, NULL, 0);
+ intel_sdvo_read_response(intel_output, &response, 2);
+}
+
+static enum drm_connector_status intel_sdvo_detect(struct drm_connector *connector)
+{
+ u8 response[2];
+ u8 status;
+ struct intel_output *intel_output = to_intel_output(connector);
+
+ intel_sdvo_write_cmd(intel_output, SDVO_CMD_GET_ATTACHED_DISPLAYS, NULL, 0);
+ status = intel_sdvo_read_response(intel_output, &response, 2);
+
+ DRM_DEBUG("SDVO response %d %d\n", response[0], response[1]);
+ if ((response[0] != 0) || (response[1] != 0))
+ return connector_status_connected;
+ else
+ return connector_status_disconnected;
+}
+
+static int intel_sdvo_get_modes(struct drm_connector *connector)
+{
+ struct intel_output *intel_output = to_intel_output(connector);
+
+ /* set the bus switch and get the modes */
+ intel_sdvo_set_control_bus_switch(intel_output, SDVO_CONTROL_BUS_DDC2);
+ intel_ddc_get_modes(intel_output);
+
+ if (list_empty(&connector->probed_modes))
+ return 0;
+ return 1;
+}
+
+static void intel_sdvo_destroy(struct drm_connector *connector)
+{
+ struct intel_output *intel_output = to_intel_output(connector);
+
+ if (intel_output->i2c_bus)
+ intel_i2c_destroy(intel_output->i2c_bus);
+ drm_sysfs_connector_remove(connector);
+ drm_connector_cleanup(connector);
+ kfree(intel_output);
+}
+
+static const struct drm_encoder_helper_funcs intel_sdvo_helper_funcs = {
+ .dpms = intel_sdvo_dpms,
+ .mode_fixup = intel_sdvo_mode_fixup,
+ .prepare = intel_encoder_prepare,
+ .mode_set = intel_sdvo_mode_set,
+ .commit = intel_encoder_commit,
+};
+
+static const struct drm_connector_funcs intel_sdvo_connector_funcs = {
+ .save = intel_sdvo_save,
+ .restore = intel_sdvo_restore,
+ .detect = intel_sdvo_detect,
+ .fill_modes = drm_helper_probe_single_connector_modes,
+ .destroy = intel_sdvo_destroy,
+};
+
+static const struct drm_connector_helper_funcs intel_sdvo_connector_helper_funcs = {
+ .get_modes = intel_sdvo_get_modes,
+ .mode_valid = intel_sdvo_mode_valid,
+ .best_encoder = intel_best_encoder,
+};
+
+void intel_sdvo_enc_destroy(struct drm_encoder *encoder)
+{
+ drm_encoder_cleanup(encoder);
+}
+
+static const struct drm_encoder_funcs intel_sdvo_enc_funcs = {
+ .destroy = intel_sdvo_enc_destroy,
+};
+
+
+void intel_sdvo_init(struct drm_device *dev, int output_device)
+{
+ struct drm_connector *connector;
+ struct intel_output *intel_output;
+ struct intel_sdvo_priv *sdvo_priv;
+ struct intel_i2c_chan *i2cbus = NULL;
+ int connector_type;
+ u8 ch[0x40];
+ int i;
+ int encoder_type, output_id;
+
+ intel_output = kcalloc(sizeof(struct intel_output)+sizeof(struct intel_sdvo_priv), 1, GFP_KERNEL);
+ if (!intel_output) {
+ return;
+ }
+
+ connector = &intel_output->base;
+
+ drm_connector_init(dev, connector, &intel_sdvo_connector_funcs,
+ DRM_MODE_CONNECTOR_Unknown);
+ drm_connector_helper_add(connector, &intel_sdvo_connector_helper_funcs);
+ sdvo_priv = (struct intel_sdvo_priv *)(intel_output + 1);
+ intel_output->type = INTEL_OUTPUT_SDVO;
+
+ connector->interlace_allowed = 0;
+ connector->doublescan_allowed = 0;
+
+ /* setup the DDC bus. */
+ if (output_device == SDVOB)
+ i2cbus = intel_i2c_create(dev, GPIOE, "SDVOCTRL_E for SDVOB");
+ else
+ i2cbus = intel_i2c_create(dev, GPIOE, "SDVOCTRL_E for SDVOC");
+
+ if (!i2cbus)
+ goto err_connector;
+
+ sdvo_priv->i2c_bus = i2cbus;
+
+ if (output_device == SDVOB) {
+ output_id = 1;
+ sdvo_priv->i2c_bus->slave_addr = 0x38;
+ } else {
+ output_id = 2;
+ sdvo_priv->i2c_bus->slave_addr = 0x39;
+ }
+
+ sdvo_priv->output_device = output_device;
+ intel_output->i2c_bus = i2cbus;
+ intel_output->dev_priv = sdvo_priv;
+
+
+ /* Read the regs to test if we can talk to the device */
+ for (i = 0; i < 0x40; i++) {
+ if (!intel_sdvo_read_byte(intel_output, i, &ch[i])) {
+ DRM_DEBUG("No SDVO device found on SDVO%c\n",
+ output_device == SDVOB ? 'B' : 'C');
+ goto err_i2c;
+ }
+ }
+
+ intel_sdvo_get_capabilities(intel_output, &sdvo_priv->caps);
+
+ memset(&sdvo_priv->active_outputs, 0, sizeof(sdvo_priv->active_outputs));
+
+ /* TODO, CVBS, SVID, YPRPB & SCART outputs. */
+ if (sdvo_priv->caps.output_flags & SDVO_OUTPUT_RGB0)
+ {
+ sdvo_priv->active_outputs = SDVO_OUTPUT_RGB0;
+ connector->display_info.subpixel_order = SubPixelHorizontalRGB;
+ encoder_type = DRM_MODE_ENCODER_DAC;
+ connector_type = DRM_MODE_CONNECTOR_VGA;
+ }
+ else if (sdvo_priv->caps.output_flags & SDVO_OUTPUT_RGB1)
+ {
+ sdvo_priv->active_outputs = SDVO_OUTPUT_RGB1;
+ connector->display_info.subpixel_order = SubPixelHorizontalRGB;
+ encoder_type = DRM_MODE_ENCODER_DAC;
+ connector_type = DRM_MODE_CONNECTOR_VGA;
+ }
+ else if (sdvo_priv->caps.output_flags & SDVO_OUTPUT_TMDS0)
+ {
+ sdvo_priv->active_outputs = SDVO_OUTPUT_TMDS0;
+ connector->display_info.subpixel_order = SubPixelHorizontalRGB;
+ encoder_type = DRM_MODE_ENCODER_TMDS;
+ connector_type = DRM_MODE_CONNECTOR_DVID;
+ }
+ else if (sdvo_priv->caps.output_flags & SDVO_OUTPUT_TMDS1)
+ {
+ sdvo_priv->active_outputs = SDVO_OUTPUT_TMDS1;
+ connector->display_info.subpixel_order = SubPixelHorizontalRGB;
+ encoder_type = DRM_MODE_ENCODER_TMDS;
+ connector_type = DRM_MODE_CONNECTOR_DVID;
+ }
+ else
+ {
+ unsigned char bytes[2];
+
+ memcpy (bytes, &sdvo_priv->caps.output_flags, 2);
+ DRM_DEBUG("%s: No active RGB or TMDS outputs (0x%02x%02x)\n",
+ SDVO_NAME(sdvo_priv),
+ bytes[0], bytes[1]);
+ goto err_i2c;
+ }
+
+ drm_encoder_init(dev, &intel_output->enc, &intel_sdvo_enc_funcs, encoder_type);
+ drm_encoder_helper_add(&intel_output->enc, &intel_sdvo_helper_funcs);
+ connector->connector_type = connector_type;
+
+ drm_mode_connector_attach_encoder(&intel_output->base, &intel_output->enc);
+ drm_sysfs_connector_add(connector);
+
+ /* Set the input timing to the screen. Assume always input 0. */
+ intel_sdvo_set_target_input(intel_output, true, false);
+
+ intel_sdvo_get_input_pixel_clock_range(intel_output,
+ &sdvo_priv->pixel_clock_min,
+ &sdvo_priv->pixel_clock_max);
+
+
+ DRM_DEBUG("%s device VID/DID: %02X:%02X.%02X, "
+ "clock range %dMHz - %dMHz, "
+ "input 1: %c, input 2: %c, "
+ "output 1: %c, output 2: %c\n",
+ SDVO_NAME(sdvo_priv),
+ sdvo_priv->caps.vendor_id, sdvo_priv->caps.device_id,
+ sdvo_priv->caps.device_rev_id,
+ sdvo_priv->pixel_clock_min / 1000,
+ sdvo_priv->pixel_clock_max / 1000,
+ (sdvo_priv->caps.sdvo_inputs_mask & 0x1) ? 'Y' : 'N',
+ (sdvo_priv->caps.sdvo_inputs_mask & 0x2) ? 'Y' : 'N',
+ /* check currently supported outputs */
+ sdvo_priv->caps.output_flags &
+ (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_RGB0) ? 'Y' : 'N',
+ sdvo_priv->caps.output_flags &
+ (SDVO_OUTPUT_TMDS1 | SDVO_OUTPUT_RGB1) ? 'Y' : 'N');
+
+ intel_output->ddc_bus = i2cbus;
+
+ return;
+
+err_i2c:
+ intel_i2c_destroy(intel_output->i2c_bus);
+err_connector:
+ drm_connector_cleanup(connector);
+ kfree(intel_output);
+
+ return;
+}
diff --git a/drivers/gpu/drm/i915/intel_sdvo_regs.h b/drivers/gpu/drm/i915/intel_sdvo_regs.h
new file mode 100644
index 00000000000..861a43f8693
--- /dev/null
+++ b/drivers/gpu/drm/i915/intel_sdvo_regs.h
@@ -0,0 +1,327 @@
+/*
+ * Copyright 2006-2007 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ * Eric Anholt <eric@anholt.net>
+ */
+
+/**
+ * @file SDVO command definitions and structures.
+ */
+
+#define SDVO_OUTPUT_FIRST (0)
+#define SDVO_OUTPUT_TMDS0 (1 << 0)
+#define SDVO_OUTPUT_RGB0 (1 << 1)
+#define SDVO_OUTPUT_CVBS0 (1 << 2)
+#define SDVO_OUTPUT_SVID0 (1 << 3)
+#define SDVO_OUTPUT_YPRPB0 (1 << 4)
+#define SDVO_OUTPUT_SCART0 (1 << 5)
+#define SDVO_OUTPUT_LVDS0 (1 << 6)
+#define SDVO_OUTPUT_TMDS1 (1 << 8)
+#define SDVO_OUTPUT_RGB1 (1 << 9)
+#define SDVO_OUTPUT_CVBS1 (1 << 10)
+#define SDVO_OUTPUT_SVID1 (1 << 11)
+#define SDVO_OUTPUT_YPRPB1 (1 << 12)
+#define SDVO_OUTPUT_SCART1 (1 << 13)
+#define SDVO_OUTPUT_LVDS1 (1 << 14)
+#define SDVO_OUTPUT_LAST (14)
+
+struct intel_sdvo_caps {
+ u8 vendor_id;
+ u8 device_id;
+ u8 device_rev_id;
+ u8 sdvo_version_major;
+ u8 sdvo_version_minor;
+ unsigned int sdvo_inputs_mask:2;
+ unsigned int smooth_scaling:1;
+ unsigned int sharp_scaling:1;
+ unsigned int up_scaling:1;
+ unsigned int down_scaling:1;
+ unsigned int stall_support:1;
+ unsigned int pad:1;
+ u16 output_flags;
+} __attribute__((packed));
+
+/** This matches the EDID DTD structure, more or less */
+struct intel_sdvo_dtd {
+ struct {
+ u16 clock; /**< pixel clock, in 10kHz units */
+ u8 h_active; /**< lower 8 bits (pixels) */
+ u8 h_blank; /**< lower 8 bits (pixels) */
+ u8 h_high; /**< upper 4 bits each h_active, h_blank */
+ u8 v_active; /**< lower 8 bits (lines) */
+ u8 v_blank; /**< lower 8 bits (lines) */
+ u8 v_high; /**< upper 4 bits each v_active, v_blank */
+ } part1;
+
+ struct {
+ u8 h_sync_off; /**< lower 8 bits, from hblank start */
+ u8 h_sync_width; /**< lower 8 bits (pixels) */
+ /** lower 4 bits each vsync offset, vsync width */
+ u8 v_sync_off_width;
+ /**
+ * 2 high bits of hsync offset, 2 high bits of hsync width,
+ * bits 4-5 of vsync offset, and 2 high bits of vsync width.
+ */
+ u8 sync_off_width_high;
+ u8 dtd_flags;
+ u8 sdvo_flags;
+ /** bits 6-7 of vsync offset at bits 6-7 */
+ u8 v_sync_off_high;
+ u8 reserved;
+ } part2;
+} __attribute__((packed));
+
+struct intel_sdvo_pixel_clock_range {
+ u16 min; /**< pixel clock, in 10kHz units */
+ u16 max; /**< pixel clock, in 10kHz units */
+} __attribute__((packed));
+
+struct intel_sdvo_preferred_input_timing_args {
+ u16 clock;
+ u16 width;
+ u16 height;
+} __attribute__((packed));
+
+/* I2C registers for SDVO */
+#define SDVO_I2C_ARG_0 0x07
+#define SDVO_I2C_ARG_1 0x06
+#define SDVO_I2C_ARG_2 0x05
+#define SDVO_I2C_ARG_3 0x04
+#define SDVO_I2C_ARG_4 0x03
+#define SDVO_I2C_ARG_5 0x02
+#define SDVO_I2C_ARG_6 0x01
+#define SDVO_I2C_ARG_7 0x00
+#define SDVO_I2C_OPCODE 0x08
+#define SDVO_I2C_CMD_STATUS 0x09
+#define SDVO_I2C_RETURN_0 0x0a
+#define SDVO_I2C_RETURN_1 0x0b
+#define SDVO_I2C_RETURN_2 0x0c
+#define SDVO_I2C_RETURN_3 0x0d
+#define SDVO_I2C_RETURN_4 0x0e
+#define SDVO_I2C_RETURN_5 0x0f
+#define SDVO_I2C_RETURN_6 0x10
+#define SDVO_I2C_RETURN_7 0x11
+#define SDVO_I2C_VENDOR_BEGIN 0x20
+
+/* Status results */
+#define SDVO_CMD_STATUS_POWER_ON 0x0
+#define SDVO_CMD_STATUS_SUCCESS 0x1
+#define SDVO_CMD_STATUS_NOTSUPP 0x2
+#define SDVO_CMD_STATUS_INVALID_ARG 0x3
+#define SDVO_CMD_STATUS_PENDING 0x4
+#define SDVO_CMD_STATUS_TARGET_NOT_SPECIFIED 0x5
+#define SDVO_CMD_STATUS_SCALING_NOT_SUPP 0x6
+
+/* SDVO commands, argument/result registers */
+
+#define SDVO_CMD_RESET 0x01
+
+/** Returns a struct intel_sdvo_caps */
+#define SDVO_CMD_GET_DEVICE_CAPS 0x02
+
+#define SDVO_CMD_GET_FIRMWARE_REV 0x86
+# define SDVO_DEVICE_FIRMWARE_MINOR SDVO_I2C_RETURN_0
+# define SDVO_DEVICE_FIRMWARE_MAJOR SDVO_I2C_RETURN_1
+# define SDVO_DEVICE_FIRMWARE_PATCH SDVO_I2C_RETURN_2
+
+/**
+ * Reports which inputs are trained (managed to sync).
+ *
+ * Devices must have trained within 2 vsyncs of a mode change.
+ */
+#define SDVO_CMD_GET_TRAINED_INPUTS 0x03
+struct intel_sdvo_get_trained_inputs_response {
+ unsigned int input0_trained:1;
+ unsigned int input1_trained:1;
+ unsigned int pad:6;
+} __attribute__((packed));
+
+/** Returns a struct intel_sdvo_output_flags of active outputs. */
+#define SDVO_CMD_GET_ACTIVE_OUTPUTS 0x04
+
+/**
+ * Sets the current set of active outputs.
+ *
+ * Takes a struct intel_sdvo_output_flags. Must be preceded by a SET_IN_OUT_MAP
+ * on multi-output devices.
+ */
+#define SDVO_CMD_SET_ACTIVE_OUTPUTS 0x05
+
+/**
+ * Returns the current mapping of SDVO inputs to outputs on the device.
+ *
+ * Returns two struct intel_sdvo_output_flags structures.
+ */
+#define SDVO_CMD_GET_IN_OUT_MAP 0x06
+
+/**
+ * Sets the current mapping of SDVO inputs to outputs on the device.
+ *
+ * Takes two struct i380_sdvo_output_flags structures.
+ */
+#define SDVO_CMD_SET_IN_OUT_MAP 0x07
+
+/**
+ * Returns a struct intel_sdvo_output_flags of attached displays.
+ */
+#define SDVO_CMD_GET_ATTACHED_DISPLAYS 0x0b
+
+/**
+ * Returns a struct intel_sdvo_ouptut_flags of displays supporting hot plugging.
+ */
+#define SDVO_CMD_GET_HOT_PLUG_SUPPORT 0x0c
+
+/**
+ * Takes a struct intel_sdvo_output_flags.
+ */
+#define SDVO_CMD_SET_ACTIVE_HOT_PLUG 0x0d
+
+/**
+ * Returns a struct intel_sdvo_output_flags of displays with hot plug
+ * interrupts enabled.
+ */
+#define SDVO_CMD_GET_ACTIVE_HOT_PLUG 0x0e
+
+#define SDVO_CMD_GET_INTERRUPT_EVENT_SOURCE 0x0f
+struct intel_sdvo_get_interrupt_event_source_response {
+ u16 interrupt_status;
+ unsigned int ambient_light_interrupt:1;
+ unsigned int pad:7;
+} __attribute__((packed));
+
+/**
+ * Selects which input is affected by future input commands.
+ *
+ * Commands affected include SET_INPUT_TIMINGS_PART[12],
+ * GET_INPUT_TIMINGS_PART[12], GET_PREFERRED_INPUT_TIMINGS_PART[12],
+ * GET_INPUT_PIXEL_CLOCK_RANGE, and CREATE_PREFERRED_INPUT_TIMINGS.
+ */
+#define SDVO_CMD_SET_TARGET_INPUT 0x10
+struct intel_sdvo_set_target_input_args {
+ unsigned int target_1:1;
+ unsigned int pad:7;
+} __attribute__((packed));
+
+/**
+ * Takes a struct intel_sdvo_output_flags of which outputs are targetted by
+ * future output commands.
+ *
+ * Affected commands inclue SET_OUTPUT_TIMINGS_PART[12],
+ * GET_OUTPUT_TIMINGS_PART[12], and GET_OUTPUT_PIXEL_CLOCK_RANGE.
+ */
+#define SDVO_CMD_SET_TARGET_OUTPUT 0x11
+
+#define SDVO_CMD_GET_INPUT_TIMINGS_PART1 0x12
+#define SDVO_CMD_GET_INPUT_TIMINGS_PART2 0x13
+#define SDVO_CMD_SET_INPUT_TIMINGS_PART1 0x14
+#define SDVO_CMD_SET_INPUT_TIMINGS_PART2 0x15
+#define SDVO_CMD_SET_OUTPUT_TIMINGS_PART1 0x16
+#define SDVO_CMD_SET_OUTPUT_TIMINGS_PART2 0x17
+#define SDVO_CMD_GET_OUTPUT_TIMINGS_PART1 0x18
+#define SDVO_CMD_GET_OUTPUT_TIMINGS_PART2 0x19
+/* Part 1 */
+# define SDVO_DTD_CLOCK_LOW SDVO_I2C_ARG_0
+# define SDVO_DTD_CLOCK_HIGH SDVO_I2C_ARG_1
+# define SDVO_DTD_H_ACTIVE SDVO_I2C_ARG_2
+# define SDVO_DTD_H_BLANK SDVO_I2C_ARG_3
+# define SDVO_DTD_H_HIGH SDVO_I2C_ARG_4
+# define SDVO_DTD_V_ACTIVE SDVO_I2C_ARG_5
+# define SDVO_DTD_V_BLANK SDVO_I2C_ARG_6
+# define SDVO_DTD_V_HIGH SDVO_I2C_ARG_7
+/* Part 2 */
+# define SDVO_DTD_HSYNC_OFF SDVO_I2C_ARG_0
+# define SDVO_DTD_HSYNC_WIDTH SDVO_I2C_ARG_1
+# define SDVO_DTD_VSYNC_OFF_WIDTH SDVO_I2C_ARG_2
+# define SDVO_DTD_SYNC_OFF_WIDTH_HIGH SDVO_I2C_ARG_3
+# define SDVO_DTD_DTD_FLAGS SDVO_I2C_ARG_4
+# define SDVO_DTD_DTD_FLAG_INTERLACED (1 << 7)
+# define SDVO_DTD_DTD_FLAG_STEREO_MASK (3 << 5)
+# define SDVO_DTD_DTD_FLAG_INPUT_MASK (3 << 3)
+# define SDVO_DTD_DTD_FLAG_SYNC_MASK (3 << 1)
+# define SDVO_DTD_SDVO_FLAS SDVO_I2C_ARG_5
+# define SDVO_DTD_SDVO_FLAG_STALL (1 << 7)
+# define SDVO_DTD_SDVO_FLAG_CENTERED (0 << 6)
+# define SDVO_DTD_SDVO_FLAG_UPPER_LEFT (1 << 6)
+# define SDVO_DTD_SDVO_FLAG_SCALING_MASK (3 << 4)
+# define SDVO_DTD_SDVO_FLAG_SCALING_NONE (0 << 4)
+# define SDVO_DTD_SDVO_FLAG_SCALING_SHARP (1 << 4)
+# define SDVO_DTD_SDVO_FLAG_SCALING_SMOOTH (2 << 4)
+# define SDVO_DTD_VSYNC_OFF_HIGH SDVO_I2C_ARG_6
+
+/**
+ * Generates a DTD based on the given width, height, and flags.
+ *
+ * This will be supported by any device supporting scaling or interlaced
+ * modes.
+ */
+#define SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING 0x1a
+# define SDVO_PREFERRED_INPUT_TIMING_CLOCK_LOW SDVO_I2C_ARG_0
+# define SDVO_PREFERRED_INPUT_TIMING_CLOCK_HIGH SDVO_I2C_ARG_1
+# define SDVO_PREFERRED_INPUT_TIMING_WIDTH_LOW SDVO_I2C_ARG_2
+# define SDVO_PREFERRED_INPUT_TIMING_WIDTH_HIGH SDVO_I2C_ARG_3
+# define SDVO_PREFERRED_INPUT_TIMING_HEIGHT_LOW SDVO_I2C_ARG_4
+# define SDVO_PREFERRED_INPUT_TIMING_HEIGHT_HIGH SDVO_I2C_ARG_5
+# define SDVO_PREFERRED_INPUT_TIMING_FLAGS SDVO_I2C_ARG_6
+# define SDVO_PREFERRED_INPUT_TIMING_FLAGS_INTERLACED (1 << 0)
+# define SDVO_PREFERRED_INPUT_TIMING_FLAGS_SCALED (1 << 1)
+
+#define SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1 0x1b
+#define SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2 0x1c
+
+/** Returns a struct intel_sdvo_pixel_clock_range */
+#define SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE 0x1d
+/** Returns a struct intel_sdvo_pixel_clock_range */
+#define SDVO_CMD_GET_OUTPUT_PIXEL_CLOCK_RANGE 0x1e
+
+/** Returns a byte bitfield containing SDVO_CLOCK_RATE_MULT_* flags */
+#define SDVO_CMD_GET_SUPPORTED_CLOCK_RATE_MULTS 0x1f
+
+/** Returns a byte containing a SDVO_CLOCK_RATE_MULT_* flag */
+#define SDVO_CMD_GET_CLOCK_RATE_MULT 0x20
+/** Takes a byte containing a SDVO_CLOCK_RATE_MULT_* flag */
+#define SDVO_CMD_SET_CLOCK_RATE_MULT 0x21
+# define SDVO_CLOCK_RATE_MULT_1X (1 << 0)
+# define SDVO_CLOCK_RATE_MULT_2X (1 << 1)
+# define SDVO_CLOCK_RATE_MULT_4X (1 << 3)
+
+#define SDVO_CMD_GET_SUPPORTED_TV_FORMATS 0x27
+
+#define SDVO_CMD_GET_TV_FORMAT 0x28
+
+#define SDVO_CMD_SET_TV_FORMAT 0x29
+
+#define SDVO_CMD_GET_SUPPORTED_POWER_STATES 0x2a
+#define SDVO_CMD_GET_ENCODER_POWER_STATE 0x2b
+#define SDVO_CMD_SET_ENCODER_POWER_STATE 0x2c
+# define SDVO_ENCODER_STATE_ON (1 << 0)
+# define SDVO_ENCODER_STATE_STANDBY (1 << 1)
+# define SDVO_ENCODER_STATE_SUSPEND (1 << 2)
+# define SDVO_ENCODER_STATE_OFF (1 << 3)
+
+#define SDVO_CMD_SET_TV_RESOLUTION_SUPPORT 0x93
+
+#define SDVO_CMD_SET_CONTROL_BUS_SWITCH 0x7a
+# define SDVO_CONTROL_BUS_PROM 0x0
+# define SDVO_CONTROL_BUS_DDC1 0x1
+# define SDVO_CONTROL_BUS_DDC2 0x2
+# define SDVO_CONTROL_BUS_DDC3 0x3
diff --git a/drivers/gpu/drm/i915/intel_tv.c b/drivers/gpu/drm/i915/intel_tv.c
new file mode 100644
index 00000000000..d409b863788
--- /dev/null
+++ b/drivers/gpu/drm/i915/intel_tv.c
@@ -0,0 +1,1725 @@
+/*
+ * Copyright © 2006-2008 Intel Corporation
+ * Jesse Barnes <jesse.barnes@intel.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ * Eric Anholt <eric@anholt.net>
+ *
+ */
+
+/** @file
+ * Integrated TV-out support for the 915GM and 945GM.
+ */
+
+#include "drmP.h"
+#include "drm.h"
+#include "drm_crtc.h"
+#include "drm_edid.h"
+#include "intel_drv.h"
+#include "i915_drm.h"
+#include "i915_drv.h"
+
+enum tv_margin {
+ TV_MARGIN_LEFT, TV_MARGIN_TOP,
+ TV_MARGIN_RIGHT, TV_MARGIN_BOTTOM
+};
+
+/** Private structure for the integrated TV support */
+struct intel_tv_priv {
+ int type;
+ char *tv_format;
+ int margin[4];
+ u32 save_TV_H_CTL_1;
+ u32 save_TV_H_CTL_2;
+ u32 save_TV_H_CTL_3;
+ u32 save_TV_V_CTL_1;
+ u32 save_TV_V_CTL_2;
+ u32 save_TV_V_CTL_3;
+ u32 save_TV_V_CTL_4;
+ u32 save_TV_V_CTL_5;
+ u32 save_TV_V_CTL_6;
+ u32 save_TV_V_CTL_7;
+ u32 save_TV_SC_CTL_1, save_TV_SC_CTL_2, save_TV_SC_CTL_3;
+
+ u32 save_TV_CSC_Y;
+ u32 save_TV_CSC_Y2;
+ u32 save_TV_CSC_U;
+ u32 save_TV_CSC_U2;
+ u32 save_TV_CSC_V;
+ u32 save_TV_CSC_V2;
+ u32 save_TV_CLR_KNOBS;
+ u32 save_TV_CLR_LEVEL;
+ u32 save_TV_WIN_POS;
+ u32 save_TV_WIN_SIZE;
+ u32 save_TV_FILTER_CTL_1;
+ u32 save_TV_FILTER_CTL_2;
+ u32 save_TV_FILTER_CTL_3;
+
+ u32 save_TV_H_LUMA[60];
+ u32 save_TV_H_CHROMA[60];
+ u32 save_TV_V_LUMA[43];
+ u32 save_TV_V_CHROMA[43];
+
+ u32 save_TV_DAC;
+ u32 save_TV_CTL;
+};
+
+struct video_levels {
+ int blank, black, burst;
+};
+
+struct color_conversion {
+ u16 ry, gy, by, ay;
+ u16 ru, gu, bu, au;
+ u16 rv, gv, bv, av;
+};
+
+static const u32 filter_table[] = {
+ 0xB1403000, 0x2E203500, 0x35002E20, 0x3000B140,
+ 0x35A0B160, 0x2DC02E80, 0xB1403480, 0xB1603000,
+ 0x2EA03640, 0x34002D80, 0x3000B120, 0x36E0B160,
+ 0x2D202EF0, 0xB1203380, 0xB1603000, 0x2F303780,
+ 0x33002CC0, 0x3000B100, 0x3820B160, 0x2C802F50,
+ 0xB10032A0, 0xB1603000, 0x2F9038C0, 0x32202C20,
+ 0x3000B0E0, 0x3980B160, 0x2BC02FC0, 0xB0E031C0,
+ 0xB1603000, 0x2FF03A20, 0x31602B60, 0xB020B0C0,
+ 0x3AE0B160, 0x2B001810, 0xB0C03120, 0xB140B020,
+ 0x18283BA0, 0x30C02A80, 0xB020B0A0, 0x3C60B140,
+ 0x2A201838, 0xB0A03080, 0xB120B020, 0x18383D20,
+ 0x304029C0, 0xB040B080, 0x3DE0B100, 0x29601848,
+ 0xB0803000, 0xB100B040, 0x18483EC0, 0xB0402900,
+ 0xB040B060, 0x3F80B0C0, 0x28801858, 0xB060B080,
+ 0xB0A0B060, 0x18602820, 0xB0A02820, 0x0000B060,
+ 0xB1403000, 0x2E203500, 0x35002E20, 0x3000B140,
+ 0x35A0B160, 0x2DC02E80, 0xB1403480, 0xB1603000,
+ 0x2EA03640, 0x34002D80, 0x3000B120, 0x36E0B160,
+ 0x2D202EF0, 0xB1203380, 0xB1603000, 0x2F303780,
+ 0x33002CC0, 0x3000B100, 0x3820B160, 0x2C802F50,
+ 0xB10032A0, 0xB1603000, 0x2F9038C0, 0x32202C20,
+ 0x3000B0E0, 0x3980B160, 0x2BC02FC0, 0xB0E031C0,
+ 0xB1603000, 0x2FF03A20, 0x31602B60, 0xB020B0C0,
+ 0x3AE0B160, 0x2B001810, 0xB0C03120, 0xB140B020,
+ 0x18283BA0, 0x30C02A80, 0xB020B0A0, 0x3C60B140,
+ 0x2A201838, 0xB0A03080, 0xB120B020, 0x18383D20,
+ 0x304029C0, 0xB040B080, 0x3DE0B100, 0x29601848,
+ 0xB0803000, 0xB100B040, 0x18483EC0, 0xB0402900,
+ 0xB040B060, 0x3F80B0C0, 0x28801858, 0xB060B080,
+ 0xB0A0B060, 0x18602820, 0xB0A02820, 0x0000B060,
+ 0x36403000, 0x2D002CC0, 0x30003640, 0x2D0036C0,
+ 0x35C02CC0, 0x37403000, 0x2C802D40, 0x30003540,
+ 0x2D8037C0, 0x34C02C40, 0x38403000, 0x2BC02E00,
+ 0x30003440, 0x2E2038C0, 0x34002B80, 0x39803000,
+ 0x2B402E40, 0x30003380, 0x2E603A00, 0x33402B00,
+ 0x3A803040, 0x2A802EA0, 0x30403300, 0x2EC03B40,
+ 0x32802A40, 0x3C003040, 0x2A002EC0, 0x30803240,
+ 0x2EC03C80, 0x320029C0, 0x3D403080, 0x29402F00,
+ 0x308031C0, 0x2F203DC0, 0x31802900, 0x3E8030C0,
+ 0x28802F40, 0x30C03140, 0x2F203F40, 0x31402840,
+ 0x28003100, 0x28002F00, 0x00003100, 0x36403000,
+ 0x2D002CC0, 0x30003640, 0x2D0036C0,
+ 0x35C02CC0, 0x37403000, 0x2C802D40, 0x30003540,
+ 0x2D8037C0, 0x34C02C40, 0x38403000, 0x2BC02E00,
+ 0x30003440, 0x2E2038C0, 0x34002B80, 0x39803000,
+ 0x2B402E40, 0x30003380, 0x2E603A00, 0x33402B00,
+ 0x3A803040, 0x2A802EA0, 0x30403300, 0x2EC03B40,
+ 0x32802A40, 0x3C003040, 0x2A002EC0, 0x30803240,
+ 0x2EC03C80, 0x320029C0, 0x3D403080, 0x29402F00,
+ 0x308031C0, 0x2F203DC0, 0x31802900, 0x3E8030C0,
+ 0x28802F40, 0x30C03140, 0x2F203F40, 0x31402840,
+ 0x28003100, 0x28002F00, 0x00003100,
+};
+
+/*
+ * Color conversion values have 3 separate fixed point formats:
+ *
+ * 10 bit fields (ay, au)
+ * 1.9 fixed point (b.bbbbbbbbb)
+ * 11 bit fields (ry, by, ru, gu, gv)
+ * exp.mantissa (ee.mmmmmmmmm)
+ * ee = 00 = 10^-1 (0.mmmmmmmmm)
+ * ee = 01 = 10^-2 (0.0mmmmmmmmm)
+ * ee = 10 = 10^-3 (0.00mmmmmmmmm)
+ * ee = 11 = 10^-4 (0.000mmmmmmmmm)
+ * 12 bit fields (gy, rv, bu)
+ * exp.mantissa (eee.mmmmmmmmm)
+ * eee = 000 = 10^-1 (0.mmmmmmmmm)
+ * eee = 001 = 10^-2 (0.0mmmmmmmmm)
+ * eee = 010 = 10^-3 (0.00mmmmmmmmm)
+ * eee = 011 = 10^-4 (0.000mmmmmmmmm)
+ * eee = 100 = reserved
+ * eee = 101 = reserved
+ * eee = 110 = reserved
+ * eee = 111 = 10^0 (m.mmmmmmmm) (only usable for 1.0 representation)
+ *
+ * Saturation and contrast are 8 bits, with their own representation:
+ * 8 bit field (saturation, contrast)
+ * exp.mantissa (ee.mmmmmm)
+ * ee = 00 = 10^-1 (0.mmmmmm)
+ * ee = 01 = 10^0 (m.mmmmm)
+ * ee = 10 = 10^1 (mm.mmmm)
+ * ee = 11 = 10^2 (mmm.mmm)
+ *
+ * Simple conversion function:
+ *
+ * static u32
+ * float_to_csc_11(float f)
+ * {
+ * u32 exp;
+ * u32 mant;
+ * u32 ret;
+ *
+ * if (f < 0)
+ * f = -f;
+ *
+ * if (f >= 1) {
+ * exp = 0x7;
+ * mant = 1 << 8;
+ * } else {
+ * for (exp = 0; exp < 3 && f < 0.5; exp++)
+ * f *= 2.0;
+ * mant = (f * (1 << 9) + 0.5);
+ * if (mant >= (1 << 9))
+ * mant = (1 << 9) - 1;
+ * }
+ * ret = (exp << 9) | mant;
+ * return ret;
+ * }
+ */
+
+/*
+ * Behold, magic numbers! If we plant them they might grow a big
+ * s-video cable to the sky... or something.
+ *
+ * Pre-converted to appropriate hex value.
+ */
+
+/*
+ * PAL & NTSC values for composite & s-video connections
+ */
+static const struct color_conversion ntsc_m_csc_composite = {
+ .ry = 0x0332, .gy = 0x012d, .by = 0x07d3, .ay = 0x0104,
+ .ru = 0x0733, .gu = 0x052d, .bu = 0x05c7, .au = 0x0f00,
+ .rv = 0x0340, .gv = 0x030c, .bv = 0x06d0, .av = 0x0f00,
+};
+
+static const struct video_levels ntsc_m_levels_composite = {
+ .blank = 225, .black = 267, .burst = 113,
+};
+
+static const struct color_conversion ntsc_m_csc_svideo = {
+ .ry = 0x0332, .gy = 0x012d, .by = 0x07d3, .ay = 0x0134,
+ .ru = 0x076a, .gu = 0x0564, .bu = 0x030d, .au = 0x0f00,
+ .rv = 0x037a, .gv = 0x033d, .bv = 0x06f6, .av = 0x0f00,
+};
+
+static const struct video_levels ntsc_m_levels_svideo = {
+ .blank = 266, .black = 316, .burst = 133,
+};
+
+static const struct color_conversion ntsc_j_csc_composite = {
+ .ry = 0x0332, .gy = 0x012d, .by = 0x07d3, .ay = 0x0119,
+ .ru = 0x074c, .gu = 0x0546, .bu = 0x05ec, .au = 0x0f00,
+ .rv = 0x035a, .gv = 0x0322, .bv = 0x06e1, .av = 0x0f00,
+};
+
+static const struct video_levels ntsc_j_levels_composite = {
+ .blank = 225, .black = 225, .burst = 113,
+};
+
+static const struct color_conversion ntsc_j_csc_svideo = {
+ .ry = 0x0332, .gy = 0x012d, .by = 0x07d3, .ay = 0x014c,
+ .ru = 0x0788, .gu = 0x0581, .bu = 0x0322, .au = 0x0f00,
+ .rv = 0x0399, .gv = 0x0356, .bv = 0x070a, .av = 0x0f00,
+};
+
+static const struct video_levels ntsc_j_levels_svideo = {
+ .blank = 266, .black = 266, .burst = 133,
+};
+
+static const struct color_conversion pal_csc_composite = {
+ .ry = 0x0332, .gy = 0x012d, .by = 0x07d3, .ay = 0x0113,
+ .ru = 0x0745, .gu = 0x053f, .bu = 0x05e1, .au = 0x0f00,
+ .rv = 0x0353, .gv = 0x031c, .bv = 0x06dc, .av = 0x0f00,
+};
+
+static const struct video_levels pal_levels_composite = {
+ .blank = 237, .black = 237, .burst = 118,
+};
+
+static const struct color_conversion pal_csc_svideo = {
+ .ry = 0x0332, .gy = 0x012d, .by = 0x07d3, .ay = 0x0145,
+ .ru = 0x0780, .gu = 0x0579, .bu = 0x031c, .au = 0x0f00,
+ .rv = 0x0390, .gv = 0x034f, .bv = 0x0705, .av = 0x0f00,
+};
+
+static const struct video_levels pal_levels_svideo = {
+ .blank = 280, .black = 280, .burst = 139,
+};
+
+static const struct color_conversion pal_m_csc_composite = {
+ .ry = 0x0332, .gy = 0x012d, .by = 0x07d3, .ay = 0x0104,
+ .ru = 0x0733, .gu = 0x052d, .bu = 0x05c7, .au = 0x0f00,
+ .rv = 0x0340, .gv = 0x030c, .bv = 0x06d0, .av = 0x0f00,
+};
+
+static const struct video_levels pal_m_levels_composite = {
+ .blank = 225, .black = 267, .burst = 113,
+};
+
+static const struct color_conversion pal_m_csc_svideo = {
+ .ry = 0x0332, .gy = 0x012d, .by = 0x07d3, .ay = 0x0134,
+ .ru = 0x076a, .gu = 0x0564, .bu = 0x030d, .au = 0x0f00,
+ .rv = 0x037a, .gv = 0x033d, .bv = 0x06f6, .av = 0x0f00,
+};
+
+static const struct video_levels pal_m_levels_svideo = {
+ .blank = 266, .black = 316, .burst = 133,
+};
+
+static const struct color_conversion pal_n_csc_composite = {
+ .ry = 0x0332, .gy = 0x012d, .by = 0x07d3, .ay = 0x0104,
+ .ru = 0x0733, .gu = 0x052d, .bu = 0x05c7, .au = 0x0f00,
+ .rv = 0x0340, .gv = 0x030c, .bv = 0x06d0, .av = 0x0f00,
+};
+
+static const struct video_levels pal_n_levels_composite = {
+ .blank = 225, .black = 267, .burst = 118,
+};
+
+static const struct color_conversion pal_n_csc_svideo = {
+ .ry = 0x0332, .gy = 0x012d, .by = 0x07d3, .ay = 0x0134,
+ .ru = 0x076a, .gu = 0x0564, .bu = 0x030d, .au = 0x0f00,
+ .rv = 0x037a, .gv = 0x033d, .bv = 0x06f6, .av = 0x0f00,
+};
+
+static const struct video_levels pal_n_levels_svideo = {
+ .blank = 266, .black = 316, .burst = 139,
+};
+
+/*
+ * Component connections
+ */
+static const struct color_conversion sdtv_csc_yprpb = {
+ .ry = 0x0332, .gy = 0x012d, .by = 0x07d3, .ay = 0x0146,
+ .ru = 0x0559, .gu = 0x0353, .bu = 0x0100, .au = 0x0f00,
+ .rv = 0x0100, .gv = 0x03ad, .bv = 0x074d, .av = 0x0f00,
+};
+
+static const struct color_conversion sdtv_csc_rgb = {
+ .ry = 0x0000, .gy = 0x0f00, .by = 0x0000, .ay = 0x0166,
+ .ru = 0x0000, .gu = 0x0000, .bu = 0x0f00, .au = 0x0166,
+ .rv = 0x0f00, .gv = 0x0000, .bv = 0x0000, .av = 0x0166,
+};
+
+static const struct color_conversion hdtv_csc_yprpb = {
+ .ry = 0x05b3, .gy = 0x016e, .by = 0x0728, .ay = 0x0146,
+ .ru = 0x07d5, .gu = 0x038b, .bu = 0x0100, .au = 0x0f00,
+ .rv = 0x0100, .gv = 0x03d1, .bv = 0x06bc, .av = 0x0f00,
+};
+
+static const struct color_conversion hdtv_csc_rgb = {
+ .ry = 0x0000, .gy = 0x0f00, .by = 0x0000, .ay = 0x0166,
+ .ru = 0x0000, .gu = 0x0000, .bu = 0x0f00, .au = 0x0166,
+ .rv = 0x0f00, .gv = 0x0000, .bv = 0x0000, .av = 0x0166,
+};
+
+static const struct video_levels component_levels = {
+ .blank = 279, .black = 279, .burst = 0,
+};
+
+
+struct tv_mode {
+ char *name;
+ int clock;
+ int refresh; /* in millihertz (for precision) */
+ u32 oversample;
+ int hsync_end, hblank_start, hblank_end, htotal;
+ bool progressive, trilevel_sync, component_only;
+ int vsync_start_f1, vsync_start_f2, vsync_len;
+ bool veq_ena;
+ int veq_start_f1, veq_start_f2, veq_len;
+ int vi_end_f1, vi_end_f2, nbr_end;
+ bool burst_ena;
+ int hburst_start, hburst_len;
+ int vburst_start_f1, vburst_end_f1;
+ int vburst_start_f2, vburst_end_f2;
+ int vburst_start_f3, vburst_end_f3;
+ int vburst_start_f4, vburst_end_f4;
+ /*
+ * subcarrier programming
+ */
+ int dda2_size, dda3_size, dda1_inc, dda2_inc, dda3_inc;
+ u32 sc_reset;
+ bool pal_burst;
+ /*
+ * blank/black levels
+ */
+ const struct video_levels *composite_levels, *svideo_levels;
+ const struct color_conversion *composite_color, *svideo_color;
+ const u32 *filter_table;
+ int max_srcw;
+};
+
+
+/*
+ * Sub carrier DDA
+ *
+ * I think this works as follows:
+ *
+ * subcarrier freq = pixel_clock * (dda1_inc + dda2_inc / dda2_size) / 4096
+ *
+ * Presumably, when dda3 is added in, it gets to adjust the dda2_inc value
+ *
+ * So,
+ * dda1_ideal = subcarrier/pixel * 4096
+ * dda1_inc = floor (dda1_ideal)
+ * dda2 = dda1_ideal - dda1_inc
+ *
+ * then pick a ratio for dda2 that gives the closest approximation. If
+ * you can't get close enough, you can play with dda3 as well. This
+ * seems likely to happen when dda2 is small as the jumps would be larger
+ *
+ * To invert this,
+ *
+ * pixel_clock = subcarrier * 4096 / (dda1_inc + dda2_inc / dda2_size)
+ *
+ * The constants below were all computed using a 107.520MHz clock
+ */
+
+/**
+ * Register programming values for TV modes.
+ *
+ * These values account for -1s required.
+ */
+
+const static struct tv_mode tv_modes[] = {
+ {
+ .name = "NTSC-M",
+ .clock = 107520,
+ .refresh = 29970,
+ .oversample = TV_OVERSAMPLE_8X,
+ .component_only = 0,
+ /* 525 Lines, 60 Fields, 15.734KHz line, Sub-Carrier 3.580MHz */
+
+ .hsync_end = 64, .hblank_end = 124,
+ .hblank_start = 836, .htotal = 857,
+
+ .progressive = false, .trilevel_sync = false,
+
+ .vsync_start_f1 = 6, .vsync_start_f2 = 7,
+ .vsync_len = 6,
+
+ .veq_ena = true, .veq_start_f1 = 0,
+ .veq_start_f2 = 1, .veq_len = 18,
+
+ .vi_end_f1 = 20, .vi_end_f2 = 21,
+ .nbr_end = 240,
+
+ .burst_ena = true,
+ .hburst_start = 72, .hburst_len = 34,
+ .vburst_start_f1 = 9, .vburst_end_f1 = 240,
+ .vburst_start_f2 = 10, .vburst_end_f2 = 240,
+ .vburst_start_f3 = 9, .vburst_end_f3 = 240,
+ .vburst_start_f4 = 10, .vburst_end_f4 = 240,
+
+ /* desired 3.5800000 actual 3.5800000 clock 107.52 */
+ .dda1_inc = 136,
+ .dda2_inc = 7624, .dda2_size = 20013,
+ .dda3_inc = 0, .dda3_size = 0,
+ .sc_reset = TV_SC_RESET_EVERY_4,
+ .pal_burst = false,
+
+ .composite_levels = &ntsc_m_levels_composite,
+ .composite_color = &ntsc_m_csc_composite,
+ .svideo_levels = &ntsc_m_levels_svideo,
+ .svideo_color = &ntsc_m_csc_svideo,
+
+ .filter_table = filter_table,
+ },
+ {
+ .name = "NTSC-443",
+ .clock = 107520,
+ .refresh = 29970,
+ .oversample = TV_OVERSAMPLE_8X,
+ .component_only = 0,
+ /* 525 Lines, 60 Fields, 15.734KHz line, Sub-Carrier 4.43MHz */
+ .hsync_end = 64, .hblank_end = 124,
+ .hblank_start = 836, .htotal = 857,
+
+ .progressive = false, .trilevel_sync = false,
+
+ .vsync_start_f1 = 6, .vsync_start_f2 = 7,
+ .vsync_len = 6,
+
+ .veq_ena = true, .veq_start_f1 = 0,
+ .veq_start_f2 = 1, .veq_len = 18,
+
+ .vi_end_f1 = 20, .vi_end_f2 = 21,
+ .nbr_end = 240,
+
+ .burst_ena = 8,
+ .hburst_start = 72, .hburst_len = 34,
+ .vburst_start_f1 = 9, .vburst_end_f1 = 240,
+ .vburst_start_f2 = 10, .vburst_end_f2 = 240,
+ .vburst_start_f3 = 9, .vburst_end_f3 = 240,
+ .vburst_start_f4 = 10, .vburst_end_f4 = 240,
+
+ /* desired 4.4336180 actual 4.4336180 clock 107.52 */
+ .dda1_inc = 168,
+ .dda2_inc = 18557, .dda2_size = 20625,
+ .dda3_inc = 0, .dda3_size = 0,
+ .sc_reset = TV_SC_RESET_EVERY_8,
+ .pal_burst = true,
+
+ .composite_levels = &ntsc_m_levels_composite,
+ .composite_color = &ntsc_m_csc_composite,
+ .svideo_levels = &ntsc_m_levels_svideo,
+ .svideo_color = &ntsc_m_csc_svideo,
+
+ .filter_table = filter_table,
+ },
+ {
+ .name = "NTSC-J",
+ .clock = 107520,
+ .refresh = 29970,
+ .oversample = TV_OVERSAMPLE_8X,
+ .component_only = 0,
+
+ /* 525 Lines, 60 Fields, 15.734KHz line, Sub-Carrier 3.580MHz */
+ .hsync_end = 64, .hblank_end = 124,
+ .hblank_start = 836, .htotal = 857,
+
+ .progressive = false, .trilevel_sync = false,
+
+ .vsync_start_f1 = 6, .vsync_start_f2 = 7,
+ .vsync_len = 6,
+
+ .veq_ena = true, .veq_start_f1 = 0,
+ .veq_start_f2 = 1, .veq_len = 18,
+
+ .vi_end_f1 = 20, .vi_end_f2 = 21,
+ .nbr_end = 240,
+
+ .burst_ena = true,
+ .hburst_start = 72, .hburst_len = 34,
+ .vburst_start_f1 = 9, .vburst_end_f1 = 240,
+ .vburst_start_f2 = 10, .vburst_end_f2 = 240,
+ .vburst_start_f3 = 9, .vburst_end_f3 = 240,
+ .vburst_start_f4 = 10, .vburst_end_f4 = 240,
+
+ /* desired 3.5800000 actual 3.5800000 clock 107.52 */
+ .dda1_inc = 136,
+ .dda2_inc = 7624, .dda2_size = 20013,
+ .dda3_inc = 0, .dda3_size = 0,
+ .sc_reset = TV_SC_RESET_EVERY_4,
+ .pal_burst = false,
+
+ .composite_levels = &ntsc_j_levels_composite,
+ .composite_color = &ntsc_j_csc_composite,
+ .svideo_levels = &ntsc_j_levels_svideo,
+ .svideo_color = &ntsc_j_csc_svideo,
+
+ .filter_table = filter_table,
+ },
+ {
+ .name = "PAL-M",
+ .clock = 107520,
+ .refresh = 29970,
+ .oversample = TV_OVERSAMPLE_8X,
+ .component_only = 0,
+
+ /* 525 Lines, 60 Fields, 15.734KHz line, Sub-Carrier 3.580MHz */
+ .hsync_end = 64, .hblank_end = 124,
+ .hblank_start = 836, .htotal = 857,
+
+ .progressive = false, .trilevel_sync = false,
+
+ .vsync_start_f1 = 6, .vsync_start_f2 = 7,
+ .vsync_len = 6,
+
+ .veq_ena = true, .veq_start_f1 = 0,
+ .veq_start_f2 = 1, .veq_len = 18,
+
+ .vi_end_f1 = 20, .vi_end_f2 = 21,
+ .nbr_end = 240,
+
+ .burst_ena = true,
+ .hburst_start = 72, .hburst_len = 34,
+ .vburst_start_f1 = 9, .vburst_end_f1 = 240,
+ .vburst_start_f2 = 10, .vburst_end_f2 = 240,
+ .vburst_start_f3 = 9, .vburst_end_f3 = 240,
+ .vburst_start_f4 = 10, .vburst_end_f4 = 240,
+
+ /* desired 3.5800000 actual 3.5800000 clock 107.52 */
+ .dda1_inc = 136,
+ .dda2_inc = 7624, .dda2_size = 20013,
+ .dda3_inc = 0, .dda3_size = 0,
+ .sc_reset = TV_SC_RESET_EVERY_4,
+ .pal_burst = false,
+
+ .composite_levels = &pal_m_levels_composite,
+ .composite_color = &pal_m_csc_composite,
+ .svideo_levels = &pal_m_levels_svideo,
+ .svideo_color = &pal_m_csc_svideo,
+
+ .filter_table = filter_table,
+ },
+ {
+ /* 625 Lines, 50 Fields, 15.625KHz line, Sub-Carrier 4.434MHz */
+ .name = "PAL-N",
+ .clock = 107520,
+ .refresh = 25000,
+ .oversample = TV_OVERSAMPLE_8X,
+ .component_only = 0,
+
+ .hsync_end = 64, .hblank_end = 128,
+ .hblank_start = 844, .htotal = 863,
+
+ .progressive = false, .trilevel_sync = false,
+
+
+ .vsync_start_f1 = 6, .vsync_start_f2 = 7,
+ .vsync_len = 6,
+
+ .veq_ena = true, .veq_start_f1 = 0,
+ .veq_start_f2 = 1, .veq_len = 18,
+
+ .vi_end_f1 = 24, .vi_end_f2 = 25,
+ .nbr_end = 286,
+
+ .burst_ena = true,
+ .hburst_start = 73, .hburst_len = 34,
+ .vburst_start_f1 = 8, .vburst_end_f1 = 285,
+ .vburst_start_f2 = 8, .vburst_end_f2 = 286,
+ .vburst_start_f3 = 9, .vburst_end_f3 = 286,
+ .vburst_start_f4 = 9, .vburst_end_f4 = 285,
+
+
+ /* desired 4.4336180 actual 4.4336180 clock 107.52 */
+ .dda1_inc = 168,
+ .dda2_inc = 18557, .dda2_size = 20625,
+ .dda3_inc = 0, .dda3_size = 0,
+ .sc_reset = TV_SC_RESET_EVERY_8,
+ .pal_burst = true,
+
+ .composite_levels = &pal_n_levels_composite,
+ .composite_color = &pal_n_csc_composite,
+ .svideo_levels = &pal_n_levels_svideo,
+ .svideo_color = &pal_n_csc_svideo,
+
+ .filter_table = filter_table,
+ },
+ {
+ /* 625 Lines, 50 Fields, 15.625KHz line, Sub-Carrier 4.434MHz */
+ .name = "PAL",
+ .clock = 107520,
+ .refresh = 25000,
+ .oversample = TV_OVERSAMPLE_8X,
+ .component_only = 0,
+
+ .hsync_end = 64, .hblank_end = 128,
+ .hblank_start = 844, .htotal = 863,
+
+ .progressive = false, .trilevel_sync = false,
+
+ .vsync_start_f1 = 5, .vsync_start_f2 = 6,
+ .vsync_len = 5,
+
+ .veq_ena = true, .veq_start_f1 = 0,
+ .veq_start_f2 = 1, .veq_len = 15,
+
+ .vi_end_f1 = 24, .vi_end_f2 = 25,
+ .nbr_end = 286,
+
+ .burst_ena = true,
+ .hburst_start = 73, .hburst_len = 32,
+ .vburst_start_f1 = 8, .vburst_end_f1 = 285,
+ .vburst_start_f2 = 8, .vburst_end_f2 = 286,
+ .vburst_start_f3 = 9, .vburst_end_f3 = 286,
+ .vburst_start_f4 = 9, .vburst_end_f4 = 285,
+
+ /* desired 4.4336180 actual 4.4336180 clock 107.52 */
+ .dda1_inc = 168,
+ .dda2_inc = 18557, .dda2_size = 20625,
+ .dda3_inc = 0, .dda3_size = 0,
+ .sc_reset = TV_SC_RESET_EVERY_8,
+ .pal_burst = true,
+
+ .composite_levels = &pal_levels_composite,
+ .composite_color = &pal_csc_composite,
+ .svideo_levels = &pal_levels_svideo,
+ .svideo_color = &pal_csc_svideo,
+
+ .filter_table = filter_table,
+ },
+ {
+ .name = "480p@59.94Hz",
+ .clock = 107520,
+ .refresh = 59940,
+ .oversample = TV_OVERSAMPLE_4X,
+ .component_only = 1,
+
+ .hsync_end = 64, .hblank_end = 122,
+ .hblank_start = 842, .htotal = 857,
+
+ .progressive = true,.trilevel_sync = false,
+
+ .vsync_start_f1 = 12, .vsync_start_f2 = 12,
+ .vsync_len = 12,
+
+ .veq_ena = false,
+
+ .vi_end_f1 = 44, .vi_end_f2 = 44,
+ .nbr_end = 496,
+
+ .burst_ena = false,
+
+ .filter_table = filter_table,
+ },
+ {
+ .name = "480p@60Hz",
+ .clock = 107520,
+ .refresh = 60000,
+ .oversample = TV_OVERSAMPLE_4X,
+ .component_only = 1,
+
+ .hsync_end = 64, .hblank_end = 122,
+ .hblank_start = 842, .htotal = 856,
+
+ .progressive = true,.trilevel_sync = false,
+
+ .vsync_start_f1 = 12, .vsync_start_f2 = 12,
+ .vsync_len = 12,
+
+ .veq_ena = false,
+
+ .vi_end_f1 = 44, .vi_end_f2 = 44,
+ .nbr_end = 496,
+
+ .burst_ena = false,
+
+ .filter_table = filter_table,
+ },
+ {
+ .name = "576p",
+ .clock = 107520,
+ .refresh = 50000,
+ .oversample = TV_OVERSAMPLE_4X,
+ .component_only = 1,
+
+ .hsync_end = 64, .hblank_end = 139,
+ .hblank_start = 859, .htotal = 863,
+
+ .progressive = true, .trilevel_sync = false,
+
+ .vsync_start_f1 = 10, .vsync_start_f2 = 10,
+ .vsync_len = 10,
+
+ .veq_ena = false,
+
+ .vi_end_f1 = 48, .vi_end_f2 = 48,
+ .nbr_end = 575,
+
+ .burst_ena = false,
+
+ .filter_table = filter_table,
+ },
+ {
+ .name = "720p@60Hz",
+ .clock = 148800,
+ .refresh = 60000,
+ .oversample = TV_OVERSAMPLE_2X,
+ .component_only = 1,
+
+ .hsync_end = 80, .hblank_end = 300,
+ .hblank_start = 1580, .htotal = 1649,
+
+ .progressive = true, .trilevel_sync = true,
+
+ .vsync_start_f1 = 10, .vsync_start_f2 = 10,
+ .vsync_len = 10,
+
+ .veq_ena = false,
+
+ .vi_end_f1 = 29, .vi_end_f2 = 29,
+ .nbr_end = 719,
+
+ .burst_ena = false,
+
+ .filter_table = filter_table,
+ },
+ {
+ .name = "720p@59.94Hz",
+ .clock = 148800,
+ .refresh = 59940,
+ .oversample = TV_OVERSAMPLE_2X,
+ .component_only = 1,
+
+ .hsync_end = 80, .hblank_end = 300,
+ .hblank_start = 1580, .htotal = 1651,
+
+ .progressive = true, .trilevel_sync = true,
+
+ .vsync_start_f1 = 10, .vsync_start_f2 = 10,
+ .vsync_len = 10,
+
+ .veq_ena = false,
+
+ .vi_end_f1 = 29, .vi_end_f2 = 29,
+ .nbr_end = 719,
+
+ .burst_ena = false,
+
+ .filter_table = filter_table,
+ },
+ {
+ .name = "720p@50Hz",
+ .clock = 148800,
+ .refresh = 50000,
+ .oversample = TV_OVERSAMPLE_2X,
+ .component_only = 1,
+
+ .hsync_end = 80, .hblank_end = 300,
+ .hblank_start = 1580, .htotal = 1979,
+
+ .progressive = true, .trilevel_sync = true,
+
+ .vsync_start_f1 = 10, .vsync_start_f2 = 10,
+ .vsync_len = 10,
+
+ .veq_ena = false,
+
+ .vi_end_f1 = 29, .vi_end_f2 = 29,
+ .nbr_end = 719,
+
+ .burst_ena = false,
+
+ .filter_table = filter_table,
+ .max_srcw = 800
+ },
+ {
+ .name = "1080i@50Hz",
+ .clock = 148800,
+ .refresh = 25000,
+ .oversample = TV_OVERSAMPLE_2X,
+ .component_only = 1,
+
+ .hsync_end = 88, .hblank_end = 235,
+ .hblank_start = 2155, .htotal = 2639,
+
+ .progressive = false, .trilevel_sync = true,
+
+ .vsync_start_f1 = 4, .vsync_start_f2 = 5,
+ .vsync_len = 10,
+
+ .veq_ena = true, .veq_start_f1 = 4,
+ .veq_start_f2 = 4, .veq_len = 10,
+
+
+ .vi_end_f1 = 21, .vi_end_f2 = 22,
+ .nbr_end = 539,
+
+ .burst_ena = false,
+
+ .filter_table = filter_table,
+ },
+ {
+ .name = "1080i@60Hz",
+ .clock = 148800,
+ .refresh = 30000,
+ .oversample = TV_OVERSAMPLE_2X,
+ .component_only = 1,
+
+ .hsync_end = 88, .hblank_end = 235,
+ .hblank_start = 2155, .htotal = 2199,
+
+ .progressive = false, .trilevel_sync = true,
+
+ .vsync_start_f1 = 4, .vsync_start_f2 = 5,
+ .vsync_len = 10,
+
+ .veq_ena = true, .veq_start_f1 = 4,
+ .veq_start_f2 = 4, .veq_len = 10,
+
+
+ .vi_end_f1 = 21, .vi_end_f2 = 22,
+ .nbr_end = 539,
+
+ .burst_ena = false,
+
+ .filter_table = filter_table,
+ },
+ {
+ .name = "1080i@59.94Hz",
+ .clock = 148800,
+ .refresh = 29970,
+ .oversample = TV_OVERSAMPLE_2X,
+ .component_only = 1,
+
+ .hsync_end = 88, .hblank_end = 235,
+ .hblank_start = 2155, .htotal = 2200,
+
+ .progressive = false, .trilevel_sync = true,
+
+ .vsync_start_f1 = 4, .vsync_start_f2 = 5,
+ .vsync_len = 10,
+
+ .veq_ena = true, .veq_start_f1 = 4,
+ .veq_start_f2 = 4, .veq_len = 10,
+
+
+ .vi_end_f1 = 21, .vi_end_f2 = 22,
+ .nbr_end = 539,
+
+ .burst_ena = false,
+
+ .filter_table = filter_table,
+ },
+};
+
+#define NUM_TV_MODES sizeof(tv_modes) / sizeof (tv_modes[0])
+
+static void
+intel_tv_dpms(struct drm_encoder *encoder, int mode)
+{
+ struct drm_device *dev = encoder->dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+
+ switch(mode) {
+ case DRM_MODE_DPMS_ON:
+ I915_WRITE(TV_CTL, I915_READ(TV_CTL) | TV_ENC_ENABLE);
+ break;
+ case DRM_MODE_DPMS_STANDBY:
+ case DRM_MODE_DPMS_SUSPEND:
+ case DRM_MODE_DPMS_OFF:
+ I915_WRITE(TV_CTL, I915_READ(TV_CTL) & ~TV_ENC_ENABLE);
+ break;
+ }
+}
+
+static void
+intel_tv_save(struct drm_connector *connector)
+{
+ struct drm_device *dev = connector->dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct intel_output *intel_output = to_intel_output(connector);
+ struct intel_tv_priv *tv_priv = intel_output->dev_priv;
+ int i;
+
+ tv_priv->save_TV_H_CTL_1 = I915_READ(TV_H_CTL_1);
+ tv_priv->save_TV_H_CTL_2 = I915_READ(TV_H_CTL_2);
+ tv_priv->save_TV_H_CTL_3 = I915_READ(TV_H_CTL_3);
+ tv_priv->save_TV_V_CTL_1 = I915_READ(TV_V_CTL_1);
+ tv_priv->save_TV_V_CTL_2 = I915_READ(TV_V_CTL_2);
+ tv_priv->save_TV_V_CTL_3 = I915_READ(TV_V_CTL_3);
+ tv_priv->save_TV_V_CTL_4 = I915_READ(TV_V_CTL_4);
+ tv_priv->save_TV_V_CTL_5 = I915_READ(TV_V_CTL_5);
+ tv_priv->save_TV_V_CTL_6 = I915_READ(TV_V_CTL_6);
+ tv_priv->save_TV_V_CTL_7 = I915_READ(TV_V_CTL_7);
+ tv_priv->save_TV_SC_CTL_1 = I915_READ(TV_SC_CTL_1);
+ tv_priv->save_TV_SC_CTL_2 = I915_READ(TV_SC_CTL_2);
+ tv_priv->save_TV_SC_CTL_3 = I915_READ(TV_SC_CTL_3);
+
+ tv_priv->save_TV_CSC_Y = I915_READ(TV_CSC_Y);
+ tv_priv->save_TV_CSC_Y2 = I915_READ(TV_CSC_Y2);
+ tv_priv->save_TV_CSC_U = I915_READ(TV_CSC_U);
+ tv_priv->save_TV_CSC_U2 = I915_READ(TV_CSC_U2);
+ tv_priv->save_TV_CSC_V = I915_READ(TV_CSC_V);
+ tv_priv->save_TV_CSC_V2 = I915_READ(TV_CSC_V2);
+ tv_priv->save_TV_CLR_KNOBS = I915_READ(TV_CLR_KNOBS);
+ tv_priv->save_TV_CLR_LEVEL = I915_READ(TV_CLR_LEVEL);
+ tv_priv->save_TV_WIN_POS = I915_READ(TV_WIN_POS);
+ tv_priv->save_TV_WIN_SIZE = I915_READ(TV_WIN_SIZE);
+ tv_priv->save_TV_FILTER_CTL_1 = I915_READ(TV_FILTER_CTL_1);
+ tv_priv->save_TV_FILTER_CTL_2 = I915_READ(TV_FILTER_CTL_2);
+ tv_priv->save_TV_FILTER_CTL_3 = I915_READ(TV_FILTER_CTL_3);
+
+ for (i = 0; i < 60; i++)
+ tv_priv->save_TV_H_LUMA[i] = I915_READ(TV_H_LUMA_0 + (i <<2));
+ for (i = 0; i < 60; i++)
+ tv_priv->save_TV_H_CHROMA[i] = I915_READ(TV_H_CHROMA_0 + (i <<2));
+ for (i = 0; i < 43; i++)
+ tv_priv->save_TV_V_LUMA[i] = I915_READ(TV_V_LUMA_0 + (i <<2));
+ for (i = 0; i < 43; i++)
+ tv_priv->save_TV_V_CHROMA[i] = I915_READ(TV_V_CHROMA_0 + (i <<2));
+
+ tv_priv->save_TV_DAC = I915_READ(TV_DAC);
+ tv_priv->save_TV_CTL = I915_READ(TV_CTL);
+}
+
+static void
+intel_tv_restore(struct drm_connector *connector)
+{
+ struct drm_device *dev = connector->dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct intel_output *intel_output = to_intel_output(connector);
+ struct intel_tv_priv *tv_priv = intel_output->dev_priv;
+ struct drm_crtc *crtc = connector->encoder->crtc;
+ struct intel_crtc *intel_crtc;
+ int i;
+
+ /* FIXME: No CRTC? */
+ if (!crtc)
+ return;
+
+ intel_crtc = to_intel_crtc(crtc);
+ I915_WRITE(TV_H_CTL_1, tv_priv->save_TV_H_CTL_1);
+ I915_WRITE(TV_H_CTL_2, tv_priv->save_TV_H_CTL_2);
+ I915_WRITE(TV_H_CTL_3, tv_priv->save_TV_H_CTL_3);
+ I915_WRITE(TV_V_CTL_1, tv_priv->save_TV_V_CTL_1);
+ I915_WRITE(TV_V_CTL_2, tv_priv->save_TV_V_CTL_2);
+ I915_WRITE(TV_V_CTL_3, tv_priv->save_TV_V_CTL_3);
+ I915_WRITE(TV_V_CTL_4, tv_priv->save_TV_V_CTL_4);
+ I915_WRITE(TV_V_CTL_5, tv_priv->save_TV_V_CTL_5);
+ I915_WRITE(TV_V_CTL_6, tv_priv->save_TV_V_CTL_6);
+ I915_WRITE(TV_V_CTL_7, tv_priv->save_TV_V_CTL_7);
+ I915_WRITE(TV_SC_CTL_1, tv_priv->save_TV_SC_CTL_1);
+ I915_WRITE(TV_SC_CTL_2, tv_priv->save_TV_SC_CTL_2);
+ I915_WRITE(TV_SC_CTL_3, tv_priv->save_TV_SC_CTL_3);
+
+ I915_WRITE(TV_CSC_Y, tv_priv->save_TV_CSC_Y);
+ I915_WRITE(TV_CSC_Y2, tv_priv->save_TV_CSC_Y2);
+ I915_WRITE(TV_CSC_U, tv_priv->save_TV_CSC_U);
+ I915_WRITE(TV_CSC_U2, tv_priv->save_TV_CSC_U2);
+ I915_WRITE(TV_CSC_V, tv_priv->save_TV_CSC_V);
+ I915_WRITE(TV_CSC_V2, tv_priv->save_TV_CSC_V2);
+ I915_WRITE(TV_CLR_KNOBS, tv_priv->save_TV_CLR_KNOBS);
+ I915_WRITE(TV_CLR_LEVEL, tv_priv->save_TV_CLR_LEVEL);
+
+ {
+ int pipeconf_reg = (intel_crtc->pipe == 0) ?
+ PIPEACONF : PIPEBCONF;
+ int dspcntr_reg = (intel_crtc->plane == 0) ?
+ DSPACNTR : DSPBCNTR;
+ int pipeconf = I915_READ(pipeconf_reg);
+ int dspcntr = I915_READ(dspcntr_reg);
+ int dspbase_reg = (intel_crtc->plane == 0) ?
+ DSPAADDR : DSPBADDR;
+ /* Pipe must be off here */
+ I915_WRITE(dspcntr_reg, dspcntr & ~DISPLAY_PLANE_ENABLE);
+ /* Flush the plane changes */
+ I915_WRITE(dspbase_reg, I915_READ(dspbase_reg));
+
+ if (!IS_I9XX(dev)) {
+ /* Wait for vblank for the disable to take effect */
+ intel_wait_for_vblank(dev);
+ }
+
+ I915_WRITE(pipeconf_reg, pipeconf & ~PIPEACONF_ENABLE);
+ /* Wait for vblank for the disable to take effect. */
+ intel_wait_for_vblank(dev);
+
+ /* Filter ctl must be set before TV_WIN_SIZE */
+ I915_WRITE(TV_FILTER_CTL_1, tv_priv->save_TV_FILTER_CTL_1);
+ I915_WRITE(TV_FILTER_CTL_2, tv_priv->save_TV_FILTER_CTL_2);
+ I915_WRITE(TV_FILTER_CTL_3, tv_priv->save_TV_FILTER_CTL_3);
+ I915_WRITE(TV_WIN_POS, tv_priv->save_TV_WIN_POS);
+ I915_WRITE(TV_WIN_SIZE, tv_priv->save_TV_WIN_SIZE);
+ I915_WRITE(pipeconf_reg, pipeconf);
+ I915_WRITE(dspcntr_reg, dspcntr);
+ /* Flush the plane changes */
+ I915_WRITE(dspbase_reg, I915_READ(dspbase_reg));
+ }
+
+ for (i = 0; i < 60; i++)
+ I915_WRITE(TV_H_LUMA_0 + (i <<2), tv_priv->save_TV_H_LUMA[i]);
+ for (i = 0; i < 60; i++)
+ I915_WRITE(TV_H_CHROMA_0 + (i <<2), tv_priv->save_TV_H_CHROMA[i]);
+ for (i = 0; i < 43; i++)
+ I915_WRITE(TV_V_LUMA_0 + (i <<2), tv_priv->save_TV_V_LUMA[i]);
+ for (i = 0; i < 43; i++)
+ I915_WRITE(TV_V_CHROMA_0 + (i <<2), tv_priv->save_TV_V_CHROMA[i]);
+
+ I915_WRITE(TV_DAC, tv_priv->save_TV_DAC);
+ I915_WRITE(TV_CTL, tv_priv->save_TV_CTL);
+}
+
+static const struct tv_mode *
+intel_tv_mode_lookup (char *tv_format)
+{
+ int i;
+
+ for (i = 0; i < sizeof(tv_modes) / sizeof (tv_modes[0]); i++) {
+ const struct tv_mode *tv_mode = &tv_modes[i];
+
+ if (!strcmp(tv_format, tv_mode->name))
+ return tv_mode;
+ }
+ return NULL;
+}
+
+static const struct tv_mode *
+intel_tv_mode_find (struct intel_output *intel_output)
+{
+ struct intel_tv_priv *tv_priv = intel_output->dev_priv;
+
+ return intel_tv_mode_lookup(tv_priv->tv_format);
+}
+
+static enum drm_mode_status
+intel_tv_mode_valid(struct drm_connector *connector, struct drm_display_mode *mode)
+{
+ struct intel_output *intel_output = to_intel_output(connector);
+ const struct tv_mode *tv_mode = intel_tv_mode_find(intel_output);
+
+ /* Ensure TV refresh is close to desired refresh */
+ if (tv_mode && abs(tv_mode->refresh - drm_mode_vrefresh(mode)) < 1)
+ return MODE_OK;
+ return MODE_CLOCK_RANGE;
+}
+
+
+static bool
+intel_tv_mode_fixup(struct drm_encoder *encoder, struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode)
+{
+ struct drm_device *dev = encoder->dev;
+ struct drm_mode_config *drm_config = &dev->mode_config;
+ struct intel_output *intel_output = enc_to_intel_output(encoder);
+ const struct tv_mode *tv_mode = intel_tv_mode_find (intel_output);
+ struct drm_encoder *other_encoder;
+
+ if (!tv_mode)
+ return false;
+
+ /* FIXME: lock encoder list */
+ list_for_each_entry(other_encoder, &drm_config->encoder_list, head) {
+ if (other_encoder != encoder &&
+ other_encoder->crtc == encoder->crtc)
+ return false;
+ }
+
+ adjusted_mode->clock = tv_mode->clock;
+ return true;
+}
+
+static void
+intel_tv_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode)
+{
+ struct drm_device *dev = encoder->dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_crtc *crtc = encoder->crtc;
+ struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+ struct intel_output *intel_output = enc_to_intel_output(encoder);
+ struct intel_tv_priv *tv_priv = intel_output->dev_priv;
+ const struct tv_mode *tv_mode = intel_tv_mode_find(intel_output);
+ u32 tv_ctl;
+ u32 hctl1, hctl2, hctl3;
+ u32 vctl1, vctl2, vctl3, vctl4, vctl5, vctl6, vctl7;
+ u32 scctl1, scctl2, scctl3;
+ int i, j;
+ const struct video_levels *video_levels;
+ const struct color_conversion *color_conversion;
+ bool burst_ena;
+
+ if (!tv_mode)
+ return; /* can't happen (mode_prepare prevents this) */
+
+ tv_ctl = 0;
+
+ switch (tv_priv->type) {
+ default:
+ case DRM_MODE_CONNECTOR_Unknown:
+ case DRM_MODE_CONNECTOR_Composite:
+ tv_ctl |= TV_ENC_OUTPUT_COMPOSITE;
+ video_levels = tv_mode->composite_levels;
+ color_conversion = tv_mode->composite_color;
+ burst_ena = tv_mode->burst_ena;
+ break;
+ case DRM_MODE_CONNECTOR_Component:
+ tv_ctl |= TV_ENC_OUTPUT_COMPONENT;
+ video_levels = &component_levels;
+ if (tv_mode->burst_ena)
+ color_conversion = &sdtv_csc_yprpb;
+ else
+ color_conversion = &hdtv_csc_yprpb;
+ burst_ena = false;
+ break;
+ case DRM_MODE_CONNECTOR_SVIDEO:
+ tv_ctl |= TV_ENC_OUTPUT_SVIDEO;
+ video_levels = tv_mode->svideo_levels;
+ color_conversion = tv_mode->svideo_color;
+ burst_ena = tv_mode->burst_ena;
+ break;
+ }
+ hctl1 = (tv_mode->hsync_end << TV_HSYNC_END_SHIFT) |
+ (tv_mode->htotal << TV_HTOTAL_SHIFT);
+
+ hctl2 = (tv_mode->hburst_start << 16) |
+ (tv_mode->hburst_len << TV_HBURST_LEN_SHIFT);
+
+ if (burst_ena)
+ hctl2 |= TV_BURST_ENA;
+
+ hctl3 = (tv_mode->hblank_start << TV_HBLANK_START_SHIFT) |
+ (tv_mode->hblank_end << TV_HBLANK_END_SHIFT);
+
+ vctl1 = (tv_mode->nbr_end << TV_NBR_END_SHIFT) |
+ (tv_mode->vi_end_f1 << TV_VI_END_F1_SHIFT) |
+ (tv_mode->vi_end_f2 << TV_VI_END_F2_SHIFT);
+
+ vctl2 = (tv_mode->vsync_len << TV_VSYNC_LEN_SHIFT) |
+ (tv_mode->vsync_start_f1 << TV_VSYNC_START_F1_SHIFT) |
+ (tv_mode->vsync_start_f2 << TV_VSYNC_START_F2_SHIFT);
+
+ vctl3 = (tv_mode->veq_len << TV_VEQ_LEN_SHIFT) |
+ (tv_mode->veq_start_f1 << TV_VEQ_START_F1_SHIFT) |
+ (tv_mode->veq_start_f2 << TV_VEQ_START_F2_SHIFT);
+
+ if (tv_mode->veq_ena)
+ vctl3 |= TV_EQUAL_ENA;
+
+ vctl4 = (tv_mode->vburst_start_f1 << TV_VBURST_START_F1_SHIFT) |
+ (tv_mode->vburst_end_f1 << TV_VBURST_END_F1_SHIFT);
+
+ vctl5 = (tv_mode->vburst_start_f2 << TV_VBURST_START_F2_SHIFT) |
+ (tv_mode->vburst_end_f2 << TV_VBURST_END_F2_SHIFT);
+
+ vctl6 = (tv_mode->vburst_start_f3 << TV_VBURST_START_F3_SHIFT) |
+ (tv_mode->vburst_end_f3 << TV_VBURST_END_F3_SHIFT);
+
+ vctl7 = (tv_mode->vburst_start_f4 << TV_VBURST_START_F4_SHIFT) |
+ (tv_mode->vburst_end_f4 << TV_VBURST_END_F4_SHIFT);
+
+ if (intel_crtc->pipe == 1)
+ tv_ctl |= TV_ENC_PIPEB_SELECT;
+ tv_ctl |= tv_mode->oversample;
+
+ if (tv_mode->progressive)
+ tv_ctl |= TV_PROGRESSIVE;
+ if (tv_mode->trilevel_sync)
+ tv_ctl |= TV_TRILEVEL_SYNC;
+ if (tv_mode->pal_burst)
+ tv_ctl |= TV_PAL_BURST;
+ scctl1 = 0;
+ /* dda1 implies valid video levels */
+ if (tv_mode->dda1_inc) {
+ scctl1 |= TV_SC_DDA1_EN;
+ scctl1 |= video_levels->burst << TV_BURST_LEVEL_SHIFT;
+ }
+
+ if (tv_mode->dda2_inc)
+ scctl1 |= TV_SC_DDA2_EN;
+
+ if (tv_mode->dda3_inc)
+ scctl1 |= TV_SC_DDA3_EN;
+
+ scctl1 |= tv_mode->sc_reset;
+ scctl1 |= tv_mode->dda1_inc << TV_SCDDA1_INC_SHIFT;
+
+ scctl2 = tv_mode->dda2_size << TV_SCDDA2_SIZE_SHIFT |
+ tv_mode->dda2_inc << TV_SCDDA2_INC_SHIFT;
+
+ scctl3 = tv_mode->dda3_size << TV_SCDDA3_SIZE_SHIFT |
+ tv_mode->dda3_inc << TV_SCDDA3_INC_SHIFT;
+
+ /* Enable two fixes for the chips that need them. */
+ if (dev->pci_device < 0x2772)
+ tv_ctl |= TV_ENC_C0_FIX | TV_ENC_SDP_FIX;
+
+ I915_WRITE(TV_H_CTL_1, hctl1);
+ I915_WRITE(TV_H_CTL_2, hctl2);
+ I915_WRITE(TV_H_CTL_3, hctl3);
+ I915_WRITE(TV_V_CTL_1, vctl1);
+ I915_WRITE(TV_V_CTL_2, vctl2);
+ I915_WRITE(TV_V_CTL_3, vctl3);
+ I915_WRITE(TV_V_CTL_4, vctl4);
+ I915_WRITE(TV_V_CTL_5, vctl5);
+ I915_WRITE(TV_V_CTL_6, vctl6);
+ I915_WRITE(TV_V_CTL_7, vctl7);
+ I915_WRITE(TV_SC_CTL_1, scctl1);
+ I915_WRITE(TV_SC_CTL_2, scctl2);
+ I915_WRITE(TV_SC_CTL_3, scctl3);
+
+ if (color_conversion) {
+ I915_WRITE(TV_CSC_Y, (color_conversion->ry << 16) |
+ color_conversion->gy);
+ I915_WRITE(TV_CSC_Y2,(color_conversion->by << 16) |
+ color_conversion->ay);
+ I915_WRITE(TV_CSC_U, (color_conversion->ru << 16) |
+ color_conversion->gu);
+ I915_WRITE(TV_CSC_U2, (color_conversion->bu << 16) |
+ color_conversion->au);
+ I915_WRITE(TV_CSC_V, (color_conversion->rv << 16) |
+ color_conversion->gv);
+ I915_WRITE(TV_CSC_V2, (color_conversion->bv << 16) |
+ color_conversion->av);
+ }
+
+ I915_WRITE(TV_CLR_KNOBS, 0x00606000);
+ if (video_levels)
+ I915_WRITE(TV_CLR_LEVEL,
+ ((video_levels->black << TV_BLACK_LEVEL_SHIFT) |
+ (video_levels->blank << TV_BLANK_LEVEL_SHIFT)));
+ {
+ int pipeconf_reg = (intel_crtc->pipe == 0) ?
+ PIPEACONF : PIPEBCONF;
+ int dspcntr_reg = (intel_crtc->plane == 0) ?
+ DSPACNTR : DSPBCNTR;
+ int pipeconf = I915_READ(pipeconf_reg);
+ int dspcntr = I915_READ(dspcntr_reg);
+ int dspbase_reg = (intel_crtc->plane == 0) ?
+ DSPAADDR : DSPBADDR;
+ int xpos = 0x0, ypos = 0x0;
+ unsigned int xsize, ysize;
+ /* Pipe must be off here */
+ I915_WRITE(dspcntr_reg, dspcntr & ~DISPLAY_PLANE_ENABLE);
+ /* Flush the plane changes */
+ I915_WRITE(dspbase_reg, I915_READ(dspbase_reg));
+
+ /* Wait for vblank for the disable to take effect */
+ if (!IS_I9XX(dev))
+ intel_wait_for_vblank(dev);
+
+ I915_WRITE(pipeconf_reg, pipeconf & ~PIPEACONF_ENABLE);
+ /* Wait for vblank for the disable to take effect. */
+ intel_wait_for_vblank(dev);
+
+ /* Filter ctl must be set before TV_WIN_SIZE */
+ I915_WRITE(TV_FILTER_CTL_1, TV_AUTO_SCALE);
+ xsize = tv_mode->hblank_start - tv_mode->hblank_end;
+ if (tv_mode->progressive)
+ ysize = tv_mode->nbr_end + 1;
+ else
+ ysize = 2*tv_mode->nbr_end + 1;
+
+ xpos += tv_priv->margin[TV_MARGIN_LEFT];
+ ypos += tv_priv->margin[TV_MARGIN_TOP];
+ xsize -= (tv_priv->margin[TV_MARGIN_LEFT] +
+ tv_priv->margin[TV_MARGIN_RIGHT]);
+ ysize -= (tv_priv->margin[TV_MARGIN_TOP] +
+ tv_priv->margin[TV_MARGIN_BOTTOM]);
+ I915_WRITE(TV_WIN_POS, (xpos<<16)|ypos);
+ I915_WRITE(TV_WIN_SIZE, (xsize<<16)|ysize);
+
+ I915_WRITE(pipeconf_reg, pipeconf);
+ I915_WRITE(dspcntr_reg, dspcntr);
+ /* Flush the plane changes */
+ I915_WRITE(dspbase_reg, I915_READ(dspbase_reg));
+ }
+
+ j = 0;
+ for (i = 0; i < 60; i++)
+ I915_WRITE(TV_H_LUMA_0 + (i<<2), tv_mode->filter_table[j++]);
+ for (i = 0; i < 60; i++)
+ I915_WRITE(TV_H_CHROMA_0 + (i<<2), tv_mode->filter_table[j++]);
+ for (i = 0; i < 43; i++)
+ I915_WRITE(TV_V_LUMA_0 + (i<<2), tv_mode->filter_table[j++]);
+ for (i = 0; i < 43; i++)
+ I915_WRITE(TV_V_CHROMA_0 + (i<<2), tv_mode->filter_table[j++]);
+ I915_WRITE(TV_DAC, 0);
+ I915_WRITE(TV_CTL, tv_ctl);
+}
+
+static const struct drm_display_mode reported_modes[] = {
+ {
+ .name = "NTSC 480i",
+ .clock = 107520,
+ .hdisplay = 1280,
+ .hsync_start = 1368,
+ .hsync_end = 1496,
+ .htotal = 1712,
+
+ .vdisplay = 1024,
+ .vsync_start = 1027,
+ .vsync_end = 1034,
+ .vtotal = 1104,
+ .type = DRM_MODE_TYPE_DRIVER,
+ },
+};
+
+/**
+ * Detects TV presence by checking for load.
+ *
+ * Requires that the current pipe's DPLL is active.
+
+ * \return true if TV is connected.
+ * \return false if TV is disconnected.
+ */
+static int
+intel_tv_detect_type (struct drm_crtc *crtc, struct intel_output *intel_output)
+{
+ struct drm_encoder *encoder = &intel_output->enc;
+ struct drm_device *dev = encoder->dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ unsigned long irqflags;
+ u32 tv_ctl, save_tv_ctl;
+ u32 tv_dac, save_tv_dac;
+ int type = DRM_MODE_CONNECTOR_Unknown;
+
+ tv_dac = I915_READ(TV_DAC);
+
+ /* Disable TV interrupts around load detect or we'll recurse */
+ spin_lock_irqsave(&dev_priv->user_irq_lock, irqflags);
+ i915_disable_pipestat(dev_priv, 0, PIPE_HOTPLUG_INTERRUPT_ENABLE |
+ PIPE_HOTPLUG_TV_INTERRUPT_ENABLE);
+ spin_unlock_irqrestore(&dev_priv->user_irq_lock, irqflags);
+
+ /*
+ * Detect TV by polling)
+ */
+ if (intel_output->load_detect_temp) {
+ /* TV not currently running, prod it with destructive detect */
+ save_tv_dac = tv_dac;
+ tv_ctl = I915_READ(TV_CTL);
+ save_tv_ctl = tv_ctl;
+ tv_ctl &= ~TV_ENC_ENABLE;
+ tv_ctl &= ~TV_TEST_MODE_MASK;
+ tv_ctl |= TV_TEST_MODE_MONITOR_DETECT;
+ tv_dac &= ~TVDAC_SENSE_MASK;
+ tv_dac |= (TVDAC_STATE_CHG_EN |
+ TVDAC_A_SENSE_CTL |
+ TVDAC_B_SENSE_CTL |
+ TVDAC_C_SENSE_CTL |
+ DAC_CTL_OVERRIDE |
+ DAC_A_0_7_V |
+ DAC_B_0_7_V |
+ DAC_C_0_7_V);
+ I915_WRITE(TV_CTL, tv_ctl);
+ I915_WRITE(TV_DAC, tv_dac);
+ intel_wait_for_vblank(dev);
+ tv_dac = I915_READ(TV_DAC);
+ I915_WRITE(TV_DAC, save_tv_dac);
+ I915_WRITE(TV_CTL, save_tv_ctl);
+ }
+ /*
+ * A B C
+ * 0 1 1 Composite
+ * 1 0 X svideo
+ * 0 0 0 Component
+ */
+ if ((tv_dac & TVDAC_SENSE_MASK) == (TVDAC_B_SENSE | TVDAC_C_SENSE)) {
+ DRM_DEBUG("Detected Composite TV connection\n");
+ type = DRM_MODE_CONNECTOR_Composite;
+ } else if ((tv_dac & (TVDAC_A_SENSE|TVDAC_B_SENSE)) == TVDAC_A_SENSE) {
+ DRM_DEBUG("Detected S-Video TV connection\n");
+ type = DRM_MODE_CONNECTOR_SVIDEO;
+ } else if ((tv_dac & TVDAC_SENSE_MASK) == 0) {
+ DRM_DEBUG("Detected Component TV connection\n");
+ type = DRM_MODE_CONNECTOR_Component;
+ } else {
+ DRM_DEBUG("No TV connection detected\n");
+ type = -1;
+ }
+
+ /* Restore interrupt config */
+ spin_lock_irqsave(&dev_priv->user_irq_lock, irqflags);
+ i915_enable_pipestat(dev_priv, 0, PIPE_HOTPLUG_INTERRUPT_ENABLE |
+ PIPE_HOTPLUG_TV_INTERRUPT_ENABLE);
+ spin_unlock_irqrestore(&dev_priv->user_irq_lock, irqflags);
+
+ return type;
+}
+
+/**
+ * Detect the TV connection.
+ *
+ * Currently this always returns CONNECTOR_STATUS_UNKNOWN, as we need to be sure
+ * we have a pipe programmed in order to probe the TV.
+ */
+static enum drm_connector_status
+intel_tv_detect(struct drm_connector *connector)
+{
+ struct drm_crtc *crtc;
+ struct drm_display_mode mode;
+ struct intel_output *intel_output = to_intel_output(connector);
+ struct intel_tv_priv *tv_priv = intel_output->dev_priv;
+ struct drm_encoder *encoder = &intel_output->enc;
+ int dpms_mode;
+ int type = tv_priv->type;
+
+ mode = reported_modes[0];
+ drm_mode_set_crtcinfo(&mode, CRTC_INTERLACE_HALVE_V);
+
+ if (encoder->crtc) {
+ type = intel_tv_detect_type(encoder->crtc, intel_output);
+ } else {
+ crtc = intel_get_load_detect_pipe(intel_output, &mode, &dpms_mode);
+ if (crtc) {
+ type = intel_tv_detect_type(crtc, intel_output);
+ intel_release_load_detect_pipe(intel_output, dpms_mode);
+ } else
+ type = -1;
+ }
+
+ if (type < 0)
+ return connector_status_disconnected;
+
+ return connector_status_connected;
+}
+
+static struct input_res {
+ char *name;
+ int w, h;
+} input_res_table[] =
+{
+ {"640x480", 640, 480},
+ {"800x600", 800, 600},
+ {"1024x768", 1024, 768},
+ {"1280x1024", 1280, 1024},
+ {"848x480", 848, 480},
+ {"1280x720", 1280, 720},
+ {"1920x1080", 1920, 1080},
+};
+
+/**
+ * Stub get_modes function.
+ *
+ * This should probably return a set of fixed modes, unless we can figure out
+ * how to probe modes off of TV connections.
+ */
+
+static int
+intel_tv_get_modes(struct drm_connector *connector)
+{
+ struct drm_display_mode *mode_ptr;
+ struct intel_output *intel_output = to_intel_output(connector);
+ const struct tv_mode *tv_mode = intel_tv_mode_find(intel_output);
+ int j;
+
+ for (j = 0; j < sizeof(input_res_table) / sizeof(input_res_table[0]);
+ j++) {
+ struct input_res *input = &input_res_table[j];
+ unsigned int hactive_s = input->w;
+ unsigned int vactive_s = input->h;
+
+ if (tv_mode->max_srcw && input->w > tv_mode->max_srcw)
+ continue;
+
+ if (input->w > 1024 && (!tv_mode->progressive
+ && !tv_mode->component_only))
+ continue;
+
+ mode_ptr = drm_calloc(1, sizeof(struct drm_display_mode),
+ DRM_MEM_DRIVER);
+ strncpy(mode_ptr->name, input->name, DRM_DISPLAY_MODE_LEN);
+
+ mode_ptr->hdisplay = hactive_s;
+ mode_ptr->hsync_start = hactive_s + 1;
+ mode_ptr->hsync_end = hactive_s + 64;
+ if (mode_ptr->hsync_end <= mode_ptr->hsync_start)
+ mode_ptr->hsync_end = mode_ptr->hsync_start + 1;
+ mode_ptr->htotal = hactive_s + 96;
+
+ mode_ptr->vdisplay = vactive_s;
+ mode_ptr->vsync_start = vactive_s + 1;
+ mode_ptr->vsync_end = vactive_s + 32;
+ if (mode_ptr->vsync_end <= mode_ptr->vsync_start)
+ mode_ptr->vsync_end = mode_ptr->vsync_start + 1;
+ mode_ptr->vtotal = vactive_s + 33;
+
+ mode_ptr->clock = (int) (tv_mode->refresh *
+ mode_ptr->vtotal *
+ mode_ptr->htotal / 1000) / 1000;
+
+ mode_ptr->type = DRM_MODE_TYPE_DRIVER;
+ drm_mode_probed_add(connector, mode_ptr);
+ }
+
+ return 0;
+}
+
+static void
+intel_tv_destroy (struct drm_connector *connector)
+{
+ struct intel_output *intel_output = to_intel_output(connector);
+
+ drm_sysfs_connector_remove(connector);
+ drm_connector_cleanup(connector);
+ drm_free(intel_output, sizeof(struct intel_output) + sizeof(struct intel_tv_priv),
+ DRM_MEM_DRIVER);
+}
+
+
+static int
+intel_tv_set_property(struct drm_connector *connector, struct drm_property *property,
+ uint64_t val)
+{
+ struct drm_device *dev = connector->dev;
+ struct intel_output *intel_output = to_intel_output(connector);
+ struct intel_tv_priv *tv_priv = intel_output->dev_priv;
+ int ret = 0;
+
+ ret = drm_connector_property_set_value(connector, property, val);
+ if (ret < 0)
+ goto out;
+
+ if (property == dev->mode_config.tv_left_margin_property)
+ tv_priv->margin[TV_MARGIN_LEFT] = val;
+ else if (property == dev->mode_config.tv_right_margin_property)
+ tv_priv->margin[TV_MARGIN_RIGHT] = val;
+ else if (property == dev->mode_config.tv_top_margin_property)
+ tv_priv->margin[TV_MARGIN_TOP] = val;
+ else if (property == dev->mode_config.tv_bottom_margin_property)
+ tv_priv->margin[TV_MARGIN_BOTTOM] = val;
+ else if (property == dev->mode_config.tv_mode_property) {
+ if (val >= NUM_TV_MODES) {
+ ret = -EINVAL;
+ goto out;
+ }
+ tv_priv->tv_format = tv_modes[val].name;
+ intel_tv_mode_set(&intel_output->enc, NULL, NULL);
+ } else {
+ ret = -EINVAL;
+ goto out;
+ }
+
+ intel_tv_mode_set(&intel_output->enc, NULL, NULL);
+out:
+ return ret;
+}
+
+static const struct drm_encoder_helper_funcs intel_tv_helper_funcs = {
+ .dpms = intel_tv_dpms,
+ .mode_fixup = intel_tv_mode_fixup,
+ .prepare = intel_encoder_prepare,
+ .mode_set = intel_tv_mode_set,
+ .commit = intel_encoder_commit,
+};
+
+static const struct drm_connector_funcs intel_tv_connector_funcs = {
+ .save = intel_tv_save,
+ .restore = intel_tv_restore,
+ .detect = intel_tv_detect,
+ .destroy = intel_tv_destroy,
+ .set_property = intel_tv_set_property,
+ .fill_modes = drm_helper_probe_single_connector_modes,
+};
+
+static const struct drm_connector_helper_funcs intel_tv_connector_helper_funcs = {
+ .mode_valid = intel_tv_mode_valid,
+ .get_modes = intel_tv_get_modes,
+ .best_encoder = intel_best_encoder,
+};
+
+void intel_tv_enc_destroy(struct drm_encoder *encoder)
+{
+ drm_encoder_cleanup(encoder);
+}
+
+static const struct drm_encoder_funcs intel_tv_enc_funcs = {
+ .destroy = intel_tv_enc_destroy,
+};
+
+
+void
+intel_tv_init(struct drm_device *dev)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_connector *connector;
+ struct intel_output *intel_output;
+ struct intel_tv_priv *tv_priv;
+ u32 tv_dac_on, tv_dac_off, save_tv_dac;
+ char **tv_format_names;
+ int i, initial_mode = 0;
+
+ if ((I915_READ(TV_CTL) & TV_FUSE_STATE_MASK) == TV_FUSE_STATE_DISABLED)
+ return;
+
+ /* Even if we have an encoder we may not have a connector */
+ if (!dev_priv->int_tv_support)
+ return;
+
+ /*
+ * Sanity check the TV output by checking to see if the
+ * DAC register holds a value
+ */
+ save_tv_dac = I915_READ(TV_DAC);
+
+ I915_WRITE(TV_DAC, save_tv_dac | TVDAC_STATE_CHG_EN);
+ tv_dac_on = I915_READ(TV_DAC);
+
+ I915_WRITE(TV_DAC, save_tv_dac & ~TVDAC_STATE_CHG_EN);
+ tv_dac_off = I915_READ(TV_DAC);
+
+ I915_WRITE(TV_DAC, save_tv_dac);
+
+ /*
+ * If the register does not hold the state change enable
+ * bit, (either as a 0 or a 1), assume it doesn't really
+ * exist
+ */
+ if ((tv_dac_on & TVDAC_STATE_CHG_EN) == 0 ||
+ (tv_dac_off & TVDAC_STATE_CHG_EN) != 0)
+ return;
+
+ intel_output = drm_calloc(1, sizeof(struct intel_output) +
+ sizeof(struct intel_tv_priv), DRM_MEM_DRIVER);
+ if (!intel_output) {
+ return;
+ }
+ connector = &intel_output->base;
+
+ drm_connector_init(dev, connector, &intel_tv_connector_funcs,
+ DRM_MODE_CONNECTOR_SVIDEO);
+
+ drm_encoder_init(dev, &intel_output->enc, &intel_tv_enc_funcs,
+ DRM_MODE_ENCODER_TVDAC);
+
+ drm_mode_connector_attach_encoder(&intel_output->base, &intel_output->enc);
+ tv_priv = (struct intel_tv_priv *)(intel_output + 1);
+ intel_output->type = INTEL_OUTPUT_TVOUT;
+ intel_output->enc.possible_crtcs = ((1 << 0) | (1 << 1));
+ intel_output->enc.possible_clones = (1 << INTEL_OUTPUT_TVOUT);
+ intel_output->dev_priv = tv_priv;
+ tv_priv->type = DRM_MODE_CONNECTOR_Unknown;
+
+ /* BIOS margin values */
+ tv_priv->margin[TV_MARGIN_LEFT] = 54;
+ tv_priv->margin[TV_MARGIN_TOP] = 36;
+ tv_priv->margin[TV_MARGIN_RIGHT] = 46;
+ tv_priv->margin[TV_MARGIN_BOTTOM] = 37;
+
+ tv_priv->tv_format = kstrdup(tv_modes[initial_mode].name, GFP_KERNEL);
+
+ drm_encoder_helper_add(&intel_output->enc, &intel_tv_helper_funcs);
+ drm_connector_helper_add(connector, &intel_tv_connector_helper_funcs);
+ connector->interlace_allowed = false;
+ connector->doublescan_allowed = false;
+
+ /* Create TV properties then attach current values */
+ tv_format_names = drm_alloc(sizeof(char *) * NUM_TV_MODES,
+ DRM_MEM_DRIVER);
+ if (!tv_format_names)
+ goto out;
+ for (i = 0; i < NUM_TV_MODES; i++)
+ tv_format_names[i] = tv_modes[i].name;
+ drm_mode_create_tv_properties(dev, NUM_TV_MODES, tv_format_names);
+
+ drm_connector_attach_property(connector, dev->mode_config.tv_mode_property,
+ initial_mode);
+ drm_connector_attach_property(connector,
+ dev->mode_config.tv_left_margin_property,
+ tv_priv->margin[TV_MARGIN_LEFT]);
+ drm_connector_attach_property(connector,
+ dev->mode_config.tv_top_margin_property,
+ tv_priv->margin[TV_MARGIN_TOP]);
+ drm_connector_attach_property(connector,
+ dev->mode_config.tv_right_margin_property,
+ tv_priv->margin[TV_MARGIN_RIGHT]);
+ drm_connector_attach_property(connector,
+ dev->mode_config.tv_bottom_margin_property,
+ tv_priv->margin[TV_MARGIN_BOTTOM]);
+out:
+ drm_sysfs_connector_add(connector);
+}
diff --git a/include/drm/i915_drm.h b/include/drm/i915_drm.h
index 3f663ecc3db..0e506f438f4 100644
--- a/include/drm/i915_drm.h
+++ b/include/drm/i915_drm.h
@@ -198,7 +198,7 @@ typedef struct _drm_i915_sarea {
/* Allow drivers to submit batchbuffers directly to hardware, relying
* on the security mechanisms provided by hardware.
*/
-typedef struct _drm_i915_batchbuffer {
+typedef struct drm_i915_batchbuffer {
int start; /* agp offset */
int used; /* nr bytes in use */
int DR1; /* hw flags for GFX_OP_DRAWRECT_INFO */