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drm/i915: Add support for integrated HDMI on G4X hardware.

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This is ported directly from the userland 2D driver code.  The HDMI audio bits
aren't hooked up yet.

Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Dave Airlie <airlied@linux.ie>
This commit is contained in:
Eric Anholt
2009-01-02 13:33:00 -08:00
committed by Dave Airlie
parent 3f8bc370ac
commit 7d57382e65
7 changed files with 322 additions and 7 deletions
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17
drivers/gpu/drm/i915/i915_reg.h
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@@ -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 */