From: Eric Anholt Date: Fri, 2 Jan 2009 21:33:00 +0000 (-0800) Subject: drm/i915: Add support for integrated HDMI on G4X hardware. X-Git-Tag: v2.6.29-rc1~220^2~3 X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7d57382e65994ab7d01741373bd1c420370aed9f;p=pandora-kernel.git drm/i915: Add support for integrated HDMI on G4X hardware. This is ported directly from the userland 2D driver code. The HDMI audio bits aren't hooked up yet. Signed-off-by: Eric Anholt Signed-off-by: Dave Airlie --- diff --git a/drivers/gpu/drm/i915/Makefile b/drivers/gpu/drm/i915/Makefile index dd57a5bd4572..793cba39d832 100644 --- a/drivers/gpu/drm/i915/Makefile +++ b/drivers/gpu/drm/i915/Makefile @@ -13,6 +13,7 @@ i915-y := i915_drv.o i915_dma.o i915_irq.o i915_mem.o \ intel_crt.o \ intel_lvds.o \ intel_bios.o \ + intel_hdmi.o \ intel_sdvo.o \ intel_modes.o \ intel_i2c.o \ diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 4756e5cd6b5e..563de18063fd 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -664,6 +664,7 @@ extern void intel_modeset_cleanup(struct drm_device *dev); writel(upper_32_bits(val), dev_priv->regs + \ (reg) + 4)) #endif +#define POSTING_READ(reg) (void)I915_READ(reg) #define I915_VERBOSE 0 @@ -760,6 +761,7 @@ extern int i915_wait_ring(struct drm_device * dev, int n, const char *caller); IS_I945GM(dev) || IS_I965GM(dev) || IS_GM45(dev)) #define I915_NEED_GFX_HWS(dev) (IS_G33(dev) || IS_GM45(dev) || IS_G4X(dev)) +#define SUPPORTS_INTEGRATED_HDMI(dev) (IS_G4X(dev)) #define PRIMARY_RINGBUFFER_SIZE (128*1024) diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 47e6bafeb743..102431577dbb 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -549,6 +549,8 @@ /** GM965 GM45 render standby register */ #define MCHBAR_RENDER_STANDBY 0x111B8 +#define PEG_BAND_GAP_DATA 0x14d68 + /* * Overlay regs */ @@ -612,6 +614,9 @@ /* Hotplug control (945+ only) */ #define PORT_HOTPLUG_EN 0x61110 +#define HDMIB_HOTPLUG_INT_EN (1 << 29) +#define HDMIC_HOTPLUG_INT_EN (1 << 28) +#define HDMID_HOTPLUG_INT_EN (1 << 27) #define SDVOB_HOTPLUG_INT_EN (1 << 26) #define SDVOC_HOTPLUG_INT_EN (1 << 25) #define TV_HOTPLUG_INT_EN (1 << 18) @@ -619,6 +624,9 @@ #define CRT_HOTPLUG_FORCE_DETECT (1 << 3) #define PORT_HOTPLUG_STAT 0x61114 +#define HDMIB_HOTPLUG_INT_STATUS (1 << 29) +#define HDMIC_HOTPLUG_INT_STATUS (1 << 28) +#define HDMID_HOTPLUG_INT_STATUS (1 << 27) #define CRT_HOTPLUG_INT_STATUS (1 << 11) #define TV_HOTPLUG_INT_STATUS (1 << 10) #define CRT_HOTPLUG_MONITOR_MASK (3 << 8) @@ -648,7 +656,16 @@ #define SDVO_PHASE_SELECT_DEFAULT (6 << 19) #define SDVO_CLOCK_OUTPUT_INVERT (1 << 18) #define SDVOC_GANG_MODE (1 << 16) +#define SDVO_ENCODING_SDVO (0x0 << 10) +#define SDVO_ENCODING_HDMI (0x2 << 10) +/** Requird for HDMI operation */ +#define SDVO_NULL_PACKETS_DURING_VSYNC (1 << 9) #define SDVO_BORDER_ENABLE (1 << 7) +#define SDVO_AUDIO_ENABLE (1 << 6) +/** New with 965, default is to be set */ +#define SDVO_VSYNC_ACTIVE_HIGH (1 << 4) +/** New with 965, default is to be set */ +#define SDVO_HSYNC_ACTIVE_HIGH (1 << 3) #define SDVOB_PCIE_CONCURRENCY (1 << 3) #define SDVO_DETECTED (1 << 2) /* Bits to be preserved when writing */ diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 1204d26b50db..67d06fd29d8c 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -751,6 +751,7 @@ static void intel_crtc_mode_set(struct drm_crtc *crtc, is_lvds = true; break; case INTEL_OUTPUT_SDVO: + case INTEL_OUTPUT_HDMI: is_sdvo = true; break; case INTEL_OUTPUT_DVO: @@ -1443,8 +1444,15 @@ static void intel_setup_outputs(struct drm_device *dev) intel_lvds_init(dev); if (IS_I9XX(dev)) { - intel_sdvo_init(dev, SDVOB); - intel_sdvo_init(dev, SDVOC); + int found; + + found = intel_sdvo_init(dev, SDVOB); + if (!found && SUPPORTS_INTEGRATED_HDMI(dev)) + intel_hdmi_init(dev, SDVOB); + + found = intel_sdvo_init(dev, SDVOC); + if (!found && SUPPORTS_INTEGRATED_HDMI(dev)) + intel_hdmi_init(dev, SDVOC); } else intel_dvo_init(dev); @@ -1458,6 +1466,11 @@ static void intel_setup_outputs(struct drm_device *dev) /* valid crtcs */ switch(intel_output->type) { + case INTEL_OUTPUT_HDMI: + crtc_mask = ((1 << 0)| + (1 << 1)); + clone_mask = ((1 << INTEL_OUTPUT_HDMI)); + break; case INTEL_OUTPUT_DVO: case INTEL_OUTPUT_SDVO: crtc_mask = ((1 << 0)| diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index 94981ee7b8bd..8a4cc50c5b4e 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -53,6 +53,7 @@ #define INTEL_OUTPUT_SDVO 3 #define INTEL_OUTPUT_LVDS 4 #define INTEL_OUTPUT_TVOUT 5 +#define INTEL_OUTPUT_HDMI 6 #define INTEL_DVO_CHIP_NONE 0 #define INTEL_DVO_CHIP_LVDS 1 @@ -109,7 +110,8 @@ 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_hdmi_init(struct drm_device *dev, int sdvox_reg); +extern bool 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); Reading git-diff-tree failed