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authorBen Skeggs <bskeggs@redhat.com>2012-07-04 23:44:54 +1000
committerBen Skeggs <bskeggs@redhat.com>2012-10-03 13:12:43 +1000
commit02a841d434513c7b3620250271c372fabce56de5 (patch)
tree464e7651bc65e8b100ad9eb949729da3d491591a /drivers/gpu/drm/nouveau/nv50_gpio.c
parent3a92d37e4099054fe187b485a9d27c439c10eca7 (diff)
drm/nouveau: restructure source tree, split core from drm implementation
Future work will be headed in the way of separating the policy supplied by the nouveau drm module from the mechanisms provided by the driver core. There will be a couple of major classes (subdev, engine) of driver modules that have clearly defined tasks, and the further directory structure change is to reflect this. No code changes here whatsoever, aside from fixing up a couple of include file pathnames. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nv50_gpio.c')
-rw-r--r--drivers/gpu/drm/nouveau/nv50_gpio.c155
1 files changed, 0 insertions, 155 deletions
diff --git a/drivers/gpu/drm/nouveau/nv50_gpio.c b/drivers/gpu/drm/nouveau/nv50_gpio.c
deleted file mode 100644
index c399d510b27..00000000000
--- a/drivers/gpu/drm/nouveau/nv50_gpio.c
+++ /dev/null
@@ -1,155 +0,0 @@
-/*
- * Copyright 2010 Red Hat Inc.
- *
- * 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 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 COPYRIGHT HOLDER(S) OR AUTHOR(S) 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: Ben Skeggs
- */
-
-#include <linux/dmi.h>
-#include "drmP.h"
-#include "nouveau_drv.h"
-#include "nouveau_hw.h"
-#include "nouveau_gpio.h"
-
-#include "nv50_display.h"
-
-static int
-nv50_gpio_location(int line, u32 *reg, u32 *shift)
-{
- const uint32_t nv50_gpio_reg[4] = { 0xe104, 0xe108, 0xe280, 0xe284 };
-
- if (line >= 32)
- return -EINVAL;
-
- *reg = nv50_gpio_reg[line >> 3];
- *shift = (line & 7) << 2;
- return 0;
-}
-
-int
-nv50_gpio_drive(struct drm_device *dev, int line, int dir, int out)
-{
- u32 reg, shift;
-
- if (nv50_gpio_location(line, &reg, &shift))
- return -EINVAL;
-
- nv_mask(dev, reg, 7 << shift, (((dir ^ 1) << 1) | out) << shift);
- return 0;
-}
-
-int
-nv50_gpio_sense(struct drm_device *dev, int line)
-{
- u32 reg, shift;
-
- if (nv50_gpio_location(line, &reg, &shift))
- return -EINVAL;
-
- return !!(nv_rd32(dev, reg) & (4 << shift));
-}
-
-void
-nv50_gpio_irq_enable(struct drm_device *dev, int line, bool on)
-{
- u32 reg = line < 16 ? 0xe050 : 0xe070;
- u32 mask = 0x00010001 << (line & 0xf);
-
- nv_wr32(dev, reg + 4, mask);
- nv_mask(dev, reg + 0, mask, on ? mask : 0);
-}
-
-int
-nvd0_gpio_drive(struct drm_device *dev, int line, int dir, int out)
-{
- u32 data = ((dir ^ 1) << 13) | (out << 12);
- nv_mask(dev, 0x00d610 + (line * 4), 0x00003000, data);
- nv_mask(dev, 0x00d604, 0x00000001, 0x00000001); /* update? */
- return 0;
-}
-
-int
-nvd0_gpio_sense(struct drm_device *dev, int line)
-{
- return !!(nv_rd32(dev, 0x00d610 + (line * 4)) & 0x00004000);
-}
-
-static void
-nv50_gpio_isr(struct drm_device *dev)
-{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- u32 intr0, intr1 = 0;
- u32 hi, lo;
-
- intr0 = nv_rd32(dev, 0xe054) & nv_rd32(dev, 0xe050);
- if (dev_priv->chipset >= 0x90)
- intr1 = nv_rd32(dev, 0xe074) & nv_rd32(dev, 0xe070);
-
- hi = (intr0 & 0x0000ffff) | (intr1 << 16);
- lo = (intr0 >> 16) | (intr1 & 0xffff0000);
- nouveau_gpio_isr(dev, 0, hi | lo);
-
- nv_wr32(dev, 0xe054, intr0);
- if (dev_priv->chipset >= 0x90)
- nv_wr32(dev, 0xe074, intr1);
-}
-
-static struct dmi_system_id gpio_reset_ids[] = {
- {
- .ident = "Apple Macbook 10,1",
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."),
- DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro10,1"),
- }
- },
- { }
-};
-
-int
-nv50_gpio_init(struct drm_device *dev)
-{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
-
- /* initialise gpios and routing to vbios defaults */
- if (dmi_check_system(gpio_reset_ids))
- nouveau_gpio_reset(dev);
-
- /* disable, and ack any pending gpio interrupts */
- nv_wr32(dev, 0xe050, 0x00000000);
- nv_wr32(dev, 0xe054, 0xffffffff);
- if (dev_priv->chipset >= 0x90) {
- nv_wr32(dev, 0xe070, 0x00000000);
- nv_wr32(dev, 0xe074, 0xffffffff);
- }
-
- nouveau_irq_register(dev, 21, nv50_gpio_isr);
- return 0;
-}
-
-void
-nv50_gpio_fini(struct drm_device *dev)
-{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
-
- nv_wr32(dev, 0xe050, 0x00000000);
- if (dev_priv->chipset >= 0x90)
- nv_wr32(dev, 0xe070, 0x00000000);
- nouveau_irq_unregister(dev, 21);
-}