diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-08-05 16:02:01 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-08-05 16:02:01 -0700 |
commit | fc1caf6eafb30ea185720e29f7f5eccca61ecd60 (patch) | |
tree | 666dabc25a9b02e5c05f9eba32fa6b0d8027341a /drivers/gpu/drm/nouveau/nv50_gpio.c | |
parent | 9779714c8af09d57527f18d9aa2207dcc27a8687 (diff) | |
parent | 96576a9e1a0cdb8a43d3af5846be0948f52b4460 (diff) |
Merge branch 'drm-core-next' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6
* 'drm-core-next' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6: (204 commits)
agp: intel-agp: do not use PCI resources before pci_enable_device()
agp: efficeon-agp: do not use PCI resources before pci_enable_device()
drm: kill BKL from common code
drm/kms: Simplify setup of the initial I2C encoder config.
drm,io-mapping: Specify slot to use for atomic mappings
drm/radeon/kms: only expose underscan on avivo chips
drm/radeon: add new pci ids
drm: Cleanup after failing to create master->unique and dev->name
drm/radeon: tone down overchatty acpi debug messages.
drm/radeon/kms: enable underscan option for digital connectors
drm/radeon/kms: fix calculation of h/v scaling factors
drm/radeon/kms/igp: sideport is AMD only
drm/radeon/kms: handle the case of no active displays properly in the bandwidth code
drm: move ttm global code to core drm
drm/i915: Clear the Ironlake dithering flags when the pipe doesn't want it.
drm/radeon/kms: make sure HPD is set to NONE on analog-only connectors
drm/radeon/kms: make sure rio_mem is valid before unmapping it
drm/agp/i915: trim stolen space to 32M
drm/i915: Unset cursor if out-of-bounds upon mode change (v4)
drm/i915: Unreference object not handle on creation
...
Diffstat (limited to 'drivers/gpu/drm/nouveau/nv50_gpio.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/nv50_gpio.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nv50_gpio.c b/drivers/gpu/drm/nouveau/nv50_gpio.c index bb47ad737267..b2fab2bf3d61 100644 --- a/drivers/gpu/drm/nouveau/nv50_gpio.c +++ b/drivers/gpu/drm/nouveau/nv50_gpio.c @@ -74,3 +74,38 @@ nv50_gpio_set(struct drm_device *dev, enum dcb_gpio_tag tag, int state) nv_wr32(dev, r, v); return 0; } + +void +nv50_gpio_irq_enable(struct drm_device *dev, enum dcb_gpio_tag tag, bool on) +{ + struct dcb_gpio_entry *gpio; + u32 reg, mask; + + gpio = nouveau_bios_gpio_entry(dev, tag); + if (!gpio) { + NV_ERROR(dev, "gpio tag 0x%02x not found\n", tag); + return; + } + + reg = gpio->line < 16 ? 0xe050 : 0xe070; + mask = 0x00010001 << (gpio->line & 0xf); + + nv_wr32(dev, reg + 4, mask); + nv_mask(dev, reg + 0, mask, on ? mask : 0); +} + +int +nv50_gpio_init(struct drm_device *dev) +{ + struct drm_nouveau_private *dev_priv = dev->dev_private; + + /* 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); + } + + return 0; +} |