diff options
| author | Matthew Garrett <mjg59@srcf.ucam.org> | 2008-08-05 19:37:25 +0100 |
|---|---|---|
| committer | Dave Airlie <airlied@linux.ie> | 2008-10-18 07:10:10 +1000 |
| commit | 8ee1c3db9075cb3211352e737e0feb98fd733b20 (patch) | |
| tree | ad91cc8b4ce57fdfdbac8920ba4b352a6871c782 /drivers/gpu/drm/i915/i915_drv.h | |
| parent | 398c9cb20b5c6c5d1313912b937d653a46fec578 (diff) | |
| download | lwn-8ee1c3db9075cb3211352e737e0feb98fd733b20.tar.gz lwn-8ee1c3db9075cb3211352e737e0feb98fd733b20.zip | |
Add Intel ACPI IGD OpRegion support
This adds the support necessary for allowing ACPI backlight control to
work on some newer Intel-based graphics systems. Tested on Thinkpad T61
and HP 2510p hardware.
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Dave Airlie <airlied@linux.ie>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_drv.h')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_drv.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 8daf0d84cd5a..e4bd01c511a9 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -82,6 +82,14 @@ typedef struct _drm_i915_vbl_swap { unsigned int sequence; } drm_i915_vbl_swap_t; +struct intel_opregion { + struct opregion_header *header; + struct opregion_acpi *acpi; + struct opregion_swsci *swsci; + struct opregion_asle *asle; + int enabled; +}; + typedef struct drm_i915_private { drm_local_map_t *sarea; drm_local_map_t *mmio_map; @@ -122,6 +130,8 @@ typedef struct drm_i915_private { drm_i915_vbl_swap_t vbl_swaps; unsigned int swaps_pending; + struct intel_opregion opregion; + /* Register state */ u8 saveLBB; u32 saveDSPACNTR; @@ -244,6 +254,7 @@ extern int i915_vblank_pipe_get(struct drm_device *dev, void *data, struct drm_file *file_priv); extern int i915_vblank_swap(struct drm_device *dev, void *data, struct drm_file *file_priv); +extern void i915_enable_irq(drm_i915_private_t *dev_priv, u32 mask); /* i915_mem.c */ extern int i915_mem_alloc(struct drm_device *dev, void *data, @@ -258,6 +269,12 @@ extern void i915_mem_takedown(struct mem_block **heap); extern void i915_mem_release(struct drm_device * dev, struct drm_file *file_priv, struct mem_block *heap); +/* i915_opregion.c */ +extern int intel_opregion_init(struct drm_device *dev); +extern void intel_opregion_free(struct drm_device *dev); +extern void opregion_asle_intr(struct drm_device *dev); +extern void opregion_enable_asle(struct drm_device *dev); + #define I915_READ(reg) DRM_READ32(dev_priv->mmio_map, (reg)) #define I915_WRITE(reg,val) DRM_WRITE32(dev_priv->mmio_map, (reg), (val)) #define I915_READ16(reg) DRM_READ16(dev_priv->mmio_map, (reg)) |