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path: root/drivers/gpu/drm/i915/intel_sdvo.c
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Diffstat (limited to 'drivers/gpu/drm/i915/intel_sdvo.c')
-rw-r--r--drivers/gpu/drm/i915/intel_sdvo.c331
1 files changed, 243 insertions, 88 deletions
diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c
index d3b74ba62b4..0bf28efcf2c 100644
--- a/drivers/gpu/drm/i915/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/intel_sdvo.c
@@ -37,7 +37,19 @@
#include "intel_sdvo_regs.h"
#undef SDVO_DEBUG
-#define I915_SDVO "i915_sdvo"
+
+static char *tv_format_names[] = {
+ "NTSC_M" , "NTSC_J" , "NTSC_443",
+ "PAL_B" , "PAL_D" , "PAL_G" ,
+ "PAL_H" , "PAL_I" , "PAL_M" ,
+ "PAL_N" , "PAL_NC" , "PAL_60" ,
+ "SECAM_B" , "SECAM_D" , "SECAM_G" ,
+ "SECAM_K" , "SECAM_K1", "SECAM_L" ,
+ "SECAM_60"
+};
+
+#define TV_FORMAT_NUM (sizeof(tv_format_names) / sizeof(*tv_format_names))
+
struct intel_sdvo_priv {
u8 slave_addr;
@@ -71,6 +83,15 @@ struct intel_sdvo_priv {
*/
bool is_tv;
+ /* This is for current tv format name */
+ char *tv_format_name;
+
+ /* This contains all current supported TV format */
+ char *tv_format_supported[TV_FORMAT_NUM];
+ int format_supported_num;
+ struct drm_property *tv_format_property;
+ struct drm_property *tv_format_name_property[TV_FORMAT_NUM];
+
/**
* This is set if we treat the device as HDMI, instead of DVI.
*/
@@ -97,14 +118,6 @@ struct intel_sdvo_priv {
*/
struct intel_sdvo_sdtv_resolution_reply sdtv_resolutions;
- /**
- * Current selected TV format.
- *
- * This is stored in the same structure that's passed to the device, for
- * convenience.
- */
- struct intel_sdvo_tv_format tv_format;
-
/*
* supported encoding mode, used to determine whether HDMI is
* supported
@@ -114,6 +127,9 @@ struct intel_sdvo_priv {
/* DDC bus used by this SDVO output */
uint8_t ddc_bus;
+ /* Mac mini hack -- use the same DDC as the analog connector */
+ struct i2c_adapter *analog_ddc_bus;
+
int save_sdvo_mult;
u16 save_active_outputs;
struct intel_sdvo_dtd save_input_dtd_1, save_input_dtd_2;
@@ -188,7 +204,7 @@ static bool intel_sdvo_read_byte(struct intel_output *intel_output, u8 addr,
return true;
}
- DRM_DEBUG("i2c transfer returned %d\n", ret);
+ DRM_DEBUG_KMS("i2c transfer returned %d\n", ret);
return false;
}
@@ -298,7 +314,7 @@ static void intel_sdvo_debug_write(struct intel_output *intel_output, u8 cmd,
struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
int i;
- DRM_DEBUG_KMS(I915_SDVO, "%s: W: %02X ",
+ DRM_DEBUG_KMS("%s: W: %02X ",
SDVO_NAME(sdvo_priv), cmd);
for (i = 0; i < args_len; i++)
DRM_LOG_KMS("%02X ", ((u8 *)args)[i]);
@@ -351,7 +367,7 @@ static void intel_sdvo_debug_response(struct intel_output *intel_output,
struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
int i;
- DRM_DEBUG_KMS(I915_SDVO, "%s: R: ", SDVO_NAME(sdvo_priv));
+ DRM_DEBUG_KMS("%s: R: ", SDVO_NAME(sdvo_priv));
for (i = 0; i < response_len; i++)
DRM_LOG_KMS("%02X ", ((u8 *)response)[i]);
for (; i < 8; i++)
@@ -668,10 +684,10 @@ static int intel_sdvo_get_clock_rate_mult(struct intel_output *intel_output)
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");
+ DRM_DEBUG_KMS("Couldn't get SDVO clock rate multiplier\n");
return SDVO_CLOCK_RATE_MULT_1X;
} else {
- DRM_DEBUG("Current clock rate multiplier: %d\n", response);
+ DRM_DEBUG_KMS("Current clock rate multiplier: %d\n", response);
}
return response;
@@ -945,23 +961,28 @@ static void intel_sdvo_set_avi_infoframe(struct intel_output *output,
static void intel_sdvo_set_tv_format(struct intel_output *output)
{
+
+ struct intel_sdvo_tv_format format;
struct intel_sdvo_priv *sdvo_priv = output->dev_priv;
- struct intel_sdvo_tv_format *format, unset;
- u8 status;
+ uint32_t format_map, i;
+ uint8_t status;
- format = &sdvo_priv->tv_format;
- memset(&unset, 0, sizeof(unset));
- if (memcmp(format, &unset, sizeof(*format))) {
- DRM_DEBUG("%s: Choosing default TV format of NTSC-M\n",
- SDVO_NAME(sdvo_priv));
- format->ntsc_m = 1;
- intel_sdvo_write_cmd(output, SDVO_CMD_SET_TV_FORMAT, format,
- sizeof(*format));
- status = intel_sdvo_read_response(output, NULL, 0);
- if (status != SDVO_CMD_STATUS_SUCCESS)
- DRM_DEBUG("%s: Failed to set TV format\n",
- SDVO_NAME(sdvo_priv));
- }
+ for (i = 0; i < TV_FORMAT_NUM; i++)
+ if (tv_format_names[i] == sdvo_priv->tv_format_name)
+ break;
+
+ format_map = 1 << i;
+ memset(&format, 0, sizeof(format));
+ memcpy(&format, &format_map, sizeof(format_map) > sizeof(format) ?
+ sizeof(format) : sizeof(format_map));
+
+ intel_sdvo_write_cmd(output, SDVO_CMD_SET_TV_FORMAT, &format_map,
+ sizeof(format));
+
+ status = intel_sdvo_read_response(output, NULL, 0);
+ if (status != SDVO_CMD_STATUS_SUCCESS)
+ DRM_DEBUG("%s: Failed to set TV format\n",
+ SDVO_NAME(sdvo_priv));
}
static bool intel_sdvo_mode_fixup(struct drm_encoder *encoder,
@@ -1230,8 +1251,8 @@ static void intel_sdvo_dpms(struct drm_encoder *encoder, int mode)
* 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));
+ DRM_DEBUG_KMS("First %s output reported failure to "
+ "sync\n", SDVO_NAME(sdvo_priv));
}
if (0)
@@ -1326,8 +1347,8 @@ static void intel_sdvo_restore(struct drm_connector *connector)
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));
+ DRM_DEBUG_KMS("First %s output reported failure to "
+ "sync\n", SDVO_NAME(sdvo_priv));
}
intel_sdvo_set_active_outputs(intel_output, sdvo_priv->save_active_outputs);
@@ -1405,7 +1426,7 @@ int intel_sdvo_supports_hotplug(struct drm_connector *connector)
u8 response[2];
u8 status;
struct intel_output *intel_output;
- DRM_DEBUG("\n");
+ DRM_DEBUG_KMS("\n");
if (!connector)
return 0;
@@ -1478,6 +1499,36 @@ intel_sdvo_multifunc_encoder(struct intel_output *intel_output)
return (caps > 1);
}
+static struct drm_connector *
+intel_find_analog_connector(struct drm_device *dev)
+{
+ struct drm_connector *connector;
+ struct intel_output *intel_output;
+
+ list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
+ intel_output = to_intel_output(connector);
+ if (intel_output->type == INTEL_OUTPUT_ANALOG)
+ return connector;
+ }
+ return NULL;
+}
+
+static int
+intel_analog_is_connected(struct drm_device *dev)
+{
+ struct drm_connector *analog_connector;
+ analog_connector = intel_find_analog_connector(dev);
+
+ if (!analog_connector)
+ return false;
+
+ if (analog_connector->funcs->detect(analog_connector) ==
+ connector_status_disconnected)
+ return false;
+
+ return true;
+}
+
enum drm_connector_status
intel_sdvo_hdmi_sink_detect(struct drm_connector *connector, u16 response)
{
@@ -1488,6 +1539,15 @@ intel_sdvo_hdmi_sink_detect(struct drm_connector *connector, u16 response)
edid = drm_get_edid(&intel_output->base,
intel_output->ddc_bus);
+
+ /* when there is no edid and no monitor is connected with VGA
+ * port, try to use the CRT ddc to read the EDID for DVI-connector
+ */
+ if (edid == NULL &&
+ sdvo_priv->analog_ddc_bus &&
+ !intel_analog_is_connected(intel_output->base.dev))
+ edid = drm_get_edid(&intel_output->base,
+ sdvo_priv->analog_ddc_bus);
if (edid != NULL) {
/* Don't report the output as connected if it's a DVI-I
* connector with a non-digital EDID coming out.
@@ -1516,10 +1576,11 @@ static enum drm_connector_status intel_sdvo_detect(struct drm_connector *connect
struct intel_output *intel_output = to_intel_output(connector);
struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
- intel_sdvo_write_cmd(intel_output, SDVO_CMD_GET_ATTACHED_DISPLAYS, NULL, 0);
+ 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 & 0xff, response >> 8);
+ DRM_DEBUG_KMS("SDVO response %d %d\n", response & 0xff, response >> 8);
if (status != SDVO_CMD_STATUS_SUCCESS)
return connector_status_unknown;
@@ -1540,50 +1601,32 @@ static enum drm_connector_status intel_sdvo_detect(struct drm_connector *connect
static void intel_sdvo_get_ddc_modes(struct drm_connector *connector)
{
struct intel_output *intel_output = to_intel_output(connector);
+ struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
+ int num_modes;
/* set the bus switch and get the modes */
- intel_ddc_get_modes(intel_output);
+ num_modes = intel_ddc_get_modes(intel_output);
-#if 0
- struct drm_device *dev = encoder->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
- /* Mac mini hack. On this device, I get DDC through the analog, which
- * load-detects as disconnected. I fail to DDC through the SDVO DDC,
- * but it does load-detect as connected. So, just steal the DDC bits
- * from analog when we fail at finding it the right way.
+ /*
+ * Mac mini hack. On this device, the DVI-I connector shares one DDC
+ * link between analog and digital outputs. So, if the regular SDVO
+ * DDC fails, check to see if the analog output is disconnected, in
+ * which case we'll look there for the digital DDC data.
*/
- crt = xf86_config->output[0];
- intel_output = crt->driver_private;
- if (intel_output->type == I830_OUTPUT_ANALOG &&
- crt->funcs->detect(crt) == XF86OutputStatusDisconnected) {
- I830I2CInit(pScrn, &intel_output->pDDCBus, GPIOA, "CRTDDC_A");
- edid_mon = xf86OutputGetEDID(crt, intel_output->pDDCBus);
- xf86DestroyI2CBusRec(intel_output->pDDCBus, true, true);
- }
- if (edid_mon) {
- xf86OutputSetEDID(output, edid_mon);
- modes = xf86OutputGetEDIDModes(output);
- }
-#endif
-}
+ if (num_modes == 0 &&
+ sdvo_priv->analog_ddc_bus &&
+ !intel_analog_is_connected(intel_output->base.dev)) {
+ struct i2c_adapter *digital_ddc_bus;
-/**
- * This function checks the current TV format, and chooses a default if
- * it hasn't been set.
- */
-static void
-intel_sdvo_check_tv_format(struct intel_output *output)
-{
- struct intel_sdvo_priv *dev_priv = output->dev_priv;
- struct intel_sdvo_tv_format format;
- uint8_t status;
+ /* Switch to the analog ddc bus and try that
+ */
+ digital_ddc_bus = intel_output->ddc_bus;
+ intel_output->ddc_bus = sdvo_priv->analog_ddc_bus;
- intel_sdvo_write_cmd(output, SDVO_CMD_GET_TV_FORMAT, NULL, 0);
- status = intel_sdvo_read_response(output, &format, sizeof(format));
- if (status != SDVO_CMD_STATUS_SUCCESS)
- return;
+ (void) intel_ddc_get_modes(intel_output);
- memcpy(&dev_priv->tv_format, &format, sizeof(format));
+ intel_output->ddc_bus = digital_ddc_bus;
+ }
}
/*
@@ -1656,17 +1699,26 @@ static void intel_sdvo_get_tv_modes(struct drm_connector *connector)
struct intel_output *output = to_intel_output(connector);
struct intel_sdvo_priv *sdvo_priv = output->dev_priv;
struct intel_sdvo_sdtv_resolution_request tv_res;
- uint32_t reply = 0;
+ uint32_t reply = 0, format_map = 0;
+ int i;
uint8_t status;
- int i = 0;
- intel_sdvo_check_tv_format(output);
/* Read the list of supported input resolutions for the selected TV
* format.
*/
- memset(&tv_res, 0, sizeof(tv_res));
- memcpy(&tv_res, &sdvo_priv->tv_format, sizeof(tv_res));
+ for (i = 0; i < TV_FORMAT_NUM; i++)
+ if (tv_format_names[i] == sdvo_priv->tv_format_name)
+ break;
+
+ format_map = (1 << i);
+ memcpy(&tv_res, &format_map,
+ sizeof(struct intel_sdvo_sdtv_resolution_request) >
+ sizeof(format_map) ? sizeof(format_map) :
+ sizeof(struct intel_sdvo_sdtv_resolution_request));
+
+ intel_sdvo_set_target_output(output, sdvo_priv->controlled_output);
+
intel_sdvo_write_cmd(output, SDVO_CMD_GET_SDTV_RESOLUTION_SUPPORT,
&tv_res, sizeof(tv_res));
status = intel_sdvo_read_response(output, &reply, 3);
@@ -1681,6 +1733,7 @@ static void intel_sdvo_get_tv_modes(struct drm_connector *connector)
if (nmode)
drm_mode_probed_add(connector, nmode);
}
+
}
static void intel_sdvo_get_lvds_modes(struct drm_connector *connector)
@@ -1748,17 +1801,62 @@ static void intel_sdvo_destroy(struct drm_connector *connector)
intel_i2c_destroy(intel_output->i2c_bus);
if (intel_output->ddc_bus)
intel_i2c_destroy(intel_output->ddc_bus);
+ if (sdvo_priv->analog_ddc_bus)
+ intel_i2c_destroy(sdvo_priv->analog_ddc_bus);
if (sdvo_priv->sdvo_lvds_fixed_mode != NULL)
drm_mode_destroy(connector->dev,
sdvo_priv->sdvo_lvds_fixed_mode);
+ if (sdvo_priv->tv_format_property)
+ drm_property_destroy(connector->dev,
+ sdvo_priv->tv_format_property);
+
drm_sysfs_connector_remove(connector);
drm_connector_cleanup(connector);
kfree(intel_output);
}
+static int
+intel_sdvo_set_property(struct drm_connector *connector,
+ struct drm_property *property,
+ uint64_t val)
+{
+ struct intel_output *intel_output = to_intel_output(connector);
+ struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
+ struct drm_encoder *encoder = &intel_output->enc;
+ struct drm_crtc *crtc = encoder->crtc;
+ int ret = 0;
+ bool changed = false;
+
+ ret = drm_connector_property_set_value(connector, property, val);
+ if (ret < 0)
+ goto out;
+
+ if (property == sdvo_priv->tv_format_property) {
+ if (val >= TV_FORMAT_NUM) {
+ ret = -EINVAL;
+ goto out;
+ }
+ if (sdvo_priv->tv_format_name ==
+ sdvo_priv->tv_format_supported[val])
+ goto out;
+
+ sdvo_priv->tv_format_name = sdvo_priv->tv_format_supported[val];
+ changed = true;
+ } else {
+ ret = -EINVAL;
+ goto out;
+ }
+
+ if (changed && crtc)
+ drm_crtc_helper_set_mode(crtc, &crtc->mode, crtc->x,
+ crtc->y, crtc->fb);
+out:
+ return ret;
+}
+
static const struct drm_encoder_helper_funcs intel_sdvo_helper_funcs = {
.dpms = intel_sdvo_dpms,
.mode_fixup = intel_sdvo_mode_fixup,
@@ -1773,6 +1871,7 @@ static const struct drm_connector_funcs intel_sdvo_connector_funcs = {
.restore = intel_sdvo_restore,
.detect = intel_sdvo_detect,
.fill_modes = drm_helper_probe_single_connector_modes,
+ .set_property = intel_sdvo_set_property,
.destroy = intel_sdvo_destroy,
};
@@ -2013,10 +2112,9 @@ intel_sdvo_output_setup(struct intel_output *intel_output, uint16_t flags)
sdvo_priv->controlled_output = 0;
memcpy(bytes, &sdvo_priv->caps.output_flags, 2);
- DRM_DEBUG_KMS(I915_SDVO,
- "%s: Unknown SDVO output type (0x%02x%02x)\n",
- SDVO_NAME(sdvo_priv),
- bytes[0], bytes[1]);
+ DRM_DEBUG_KMS("%s: Unknown SDVO output type (0x%02x%02x)\n",
+ SDVO_NAME(sdvo_priv),
+ bytes[0], bytes[1]);
ret = false;
}
intel_output->crtc_mask = (1 << 0) | (1 << 1);
@@ -2029,6 +2127,55 @@ intel_sdvo_output_setup(struct intel_output *intel_output, uint16_t flags)
}
+static void intel_sdvo_tv_create_property(struct drm_connector *connector)
+{
+ struct intel_output *intel_output = to_intel_output(connector);
+ struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
+ struct intel_sdvo_tv_format format;
+ uint32_t format_map, i;
+ uint8_t status;
+
+ intel_sdvo_set_target_output(intel_output,
+ sdvo_priv->controlled_output);
+
+ intel_sdvo_write_cmd(intel_output,
+ SDVO_CMD_GET_SUPPORTED_TV_FORMATS, NULL, 0);
+ status = intel_sdvo_read_response(intel_output,
+ &format, sizeof(format));
+ if (status != SDVO_CMD_STATUS_SUCCESS)
+ return;
+
+ memcpy(&format_map, &format, sizeof(format) > sizeof(format_map) ?
+ sizeof(format_map) : sizeof(format));
+
+ if (format_map == 0)
+ return;
+
+ sdvo_priv->format_supported_num = 0;
+ for (i = 0 ; i < TV_FORMAT_NUM; i++)
+ if (format_map & (1 << i)) {
+ sdvo_priv->tv_format_supported
+ [sdvo_priv->format_supported_num++] =
+ tv_format_names[i];
+ }
+
+
+ sdvo_priv->tv_format_property =
+ drm_property_create(
+ connector->dev, DRM_MODE_PROP_ENUM,
+ "mode", sdvo_priv->format_supported_num);
+
+ for (i = 0; i < sdvo_priv->format_supported_num; i++)
+ drm_property_add_enum(
+ sdvo_priv->tv_format_property, i,
+ i, sdvo_priv->tv_format_supported[i]);
+
+ sdvo_priv->tv_format_name = sdvo_priv->tv_format_supported[0];
+ drm_connector_attach_property(
+ connector, sdvo_priv->tv_format_property, 0);
+
+}
+
bool intel_sdvo_init(struct drm_device *dev, int output_device)
{
struct drm_connector *connector;
@@ -2066,18 +2213,22 @@ bool intel_sdvo_init(struct drm_device *dev, int output_device)
/* 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_KMS(I915_SDVO,
- "No SDVO device found on SDVO%c\n",
+ DRM_DEBUG_KMS("No SDVO device found on SDVO%c\n",
output_device == SDVOB ? 'B' : 'C');
goto err_i2c;
}
}
/* setup the DDC bus. */
- if (output_device == SDVOB)
+ if (output_device == SDVOB) {
intel_output->ddc_bus = intel_i2c_create(dev, GPIOE, "SDVOB DDC BUS");
- else
+ sdvo_priv->analog_ddc_bus = intel_i2c_create(dev, GPIOA,
+ "SDVOB/VGA DDC BUS");
+ } else {
intel_output->ddc_bus = intel_i2c_create(dev, GPIOE, "SDVOC DDC BUS");
+ sdvo_priv->analog_ddc_bus = intel_i2c_create(dev, GPIOA,
+ "SDVOC/VGA DDC BUS");
+ }
if (intel_output->ddc_bus == NULL)
goto err_i2c;
@@ -2090,7 +2241,7 @@ bool intel_sdvo_init(struct drm_device *dev, int output_device)
if (intel_sdvo_output_setup(intel_output,
sdvo_priv->caps.output_flags) != true) {
- DRM_DEBUG("SDVO output failed to setup on SDVO%c\n",
+ DRM_DEBUG_KMS("SDVO output failed to setup on SDVO%c\n",
output_device == SDVOB ? 'B' : 'C');
goto err_i2c;
}
@@ -2111,6 +2262,8 @@ bool intel_sdvo_init(struct drm_device *dev, int output_device)
drm_encoder_helper_add(&intel_output->enc, &intel_sdvo_helper_funcs);
drm_mode_connector_attach_encoder(&intel_output->base, &intel_output->enc);
+ if (sdvo_priv->is_tv)
+ intel_sdvo_tv_create_property(connector);
drm_sysfs_connector_add(connector);
intel_sdvo_select_ddc_bus(sdvo_priv);
@@ -2123,7 +2276,7 @@ bool intel_sdvo_init(struct drm_device *dev, int output_device)
&sdvo_priv->pixel_clock_max);
- DRM_DEBUG_KMS(I915_SDVO, "%s device VID/DID: %02X:%02X.%02X, "
+ DRM_DEBUG_KMS("%s device VID/DID: %02X:%02X.%02X, "
"clock range %dMHz - %dMHz, "
"input 1: %c, input 2: %c, "
"output 1: %c, output 2: %c\n",
@@ -2143,6 +2296,8 @@ bool intel_sdvo_init(struct drm_device *dev, int output_device)
return true;
err_i2c:
+ if (sdvo_priv->analog_ddc_bus != NULL)
+ intel_i2c_destroy(sdvo_priv->analog_ddc_bus);
if (intel_output->ddc_bus != NULL)
intel_i2c_destroy(intel_output->ddc_bus);
if (intel_output->i2c_bus != NULL)