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drm: Add DPCD definitions for DP 1.4 DSC feature

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Display stream compression is supported on DP 1.4 DP
devices. This patch adds the corersponding DPCD
register definitions for DSC.

v4:
* Add DSC Enable DPCD register def (Ander)
v3:
* Add some SHIFTS and MASKS for uniformity (Jani Nikula)
v2:
* Rebased on drm-tip

Signed-off-by: Manasi Navare <manasi.d.navare@intel.com>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1491259870-25613-1-git-send-email-manasi.d.navare@intel.com
This commit is contained in:
Navare, Manasi D 2017-04-03 15:51:10 -07:00 committed by Jani Nikula
parent 57fbc05585
commit ab6a46ea68
1 changed files with 107 additions and 0 deletions
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107
include/drm/drm_dp_helper.h
View File

@ -179,6 +179,111 @@
#define DP_GUID 0x030 /* 1.2 */
#define DP_DSC_SUPPORT 0x060 /* DP 1.4 */
# define DP_DSC_DECOMPRESSION_IS_SUPPORTED (1 << 0)
#define DP_DSC_REV 0x061
# define DP_DSC_MAJOR_MASK (0xf << 0)
# define DP_DSC_MINOR_MASK (0xf << 4)
# define DP_DSC_MAJOR_SHIFT 0
# define DP_DSC_MINOR_SHIFT 4
#define DP_DSC_RC_BUF_BLK_SIZE 0x062
# define DP_DSC_RC_BUF_BLK_SIZE_1 0x0
# define DP_DSC_RC_BUF_BLK_SIZE_4 0x1
# define DP_DSC_RC_BUF_BLK_SIZE_16 0x2
# define DP_DSC_RC_BUF_BLK_SIZE_64 0x3
#define DP_DSC_RC_BUF_SIZE 0x063
#define DP_DSC_SLICE_CAP_1 0x064
# define DP_DSC_1_PER_DP_DSC_SINK (1 << 0)
# define DP_DSC_2_PER_DP_DSC_SINK (1 << 1)
# define DP_DSC_4_PER_DP_DSC_SINK (1 << 3)
# define DP_DSC_6_PER_DP_DSC_SINK (1 << 4)
# define DP_DSC_8_PER_DP_DSC_SINK (1 << 5)
# define DP_DSC_10_PER_DP_DSC_SINK (1 << 6)
# define DP_DSC_12_PER_DP_DSC_SINK (1 << 7)
#define DP_DSC_LINE_BUF_BIT_DEPTH 0x065
# define DP_DSC_LINE_BUF_BIT_DEPTH_MASK (0xf << 0)
# define DP_DSC_LINE_BUF_BIT_DEPTH_9 0x0
# define DP_DSC_LINE_BUF_BIT_DEPTH_10 0x1
# define DP_DSC_LINE_BUF_BIT_DEPTH_11 0x2
# define DP_DSC_LINE_BUF_BIT_DEPTH_12 0x3
# define DP_DSC_LINE_BUF_BIT_DEPTH_13 0x4
# define DP_DSC_LINE_BUF_BIT_DEPTH_14 0x5
# define DP_DSC_LINE_BUF_BIT_DEPTH_15 0x6
# define DP_DSC_LINE_BUF_BIT_DEPTH_16 0x7
# define DP_DSC_LINE_BUF_BIT_DEPTH_8 0x8
#define DP_DSC_BLK_PREDICTION_SUPPORT 0x066
# define DP_DSC_BLK_PREDICTION_IS_SUPPORTED (1 << 0)
#define DP_DSC_MAX_BITS_PER_PIXEL_LOW 0x067 /* eDP 1.4 */
#define DP_DSC_MAX_BITS_PER_PIXEL_HI 0x068 /* eDP 1.4 */
#define DP_DSC_DEC_COLOR_FORMAT_CAP 0x069
# define DP_DSC_RGB (1 << 0)
# define DP_DSC_YCbCr444 (1 << 1)
# define DP_DSC_YCbCr422_Simple (1 << 2)
# define DP_DSC_YCbCr422_Native (1 << 3)
# define DP_DSC_YCbCr420_Native (1 << 4)
#define DP_DSC_DEC_COLOR_DEPTH_CAP 0x06A
# define DP_DSC_8_BPC (1 << 1)
# define DP_DSC_10_BPC (1 << 2)
# define DP_DSC_12_BPC (1 << 3)
#define DP_DSC_PEAK_THROUGHPUT 0x06B
# define DP_DSC_THROUGHPUT_MODE_0_MASK (0xf << 0)
# define DP_DSC_THROUGHPUT_MODE_0_SHIFT 0
# define DP_DSC_THROUGHPUT_MODE_0_340 (1 << 0)
# define DP_DSC_THROUGHPUT_MODE_0_400 (2 << 0)
# define DP_DSC_THROUGHPUT_MODE_0_450 (3 << 0)
# define DP_DSC_THROUGHPUT_MODE_0_500 (4 << 0)
# define DP_DSC_THROUGHPUT_MODE_0_550 (5 << 0)
# define DP_DSC_THROUGHPUT_MODE_0_600 (6 << 0)
# define DP_DSC_THROUGHPUT_MODE_0_650 (7 << 0)
# define DP_DSC_THROUGHPUT_MODE_0_700 (8 << 0)
# define DP_DSC_THROUGHPUT_MODE_0_750 (9 << 0)
# define DP_DSC_THROUGHPUT_MODE_0_800 (10 << 0)
# define DP_DSC_THROUGHPUT_MODE_0_850 (11 << 0)
# define DP_DSC_THROUGHPUT_MODE_0_900 (12 << 0)
# define DP_DSC_THROUGHPUT_MODE_0_950 (13 << 0)
# define DP_DSC_THROUGHPUT_MODE_0_1000 (14 << 0)
# define DP_DSC_THROUGHPUT_MODE_1_MASK (0xf << 4)
# define DP_DSC_THROUGHPUT_MODE_1_SHIFT 4
# define DP_DSC_THROUGHPUT_MODE_1_340 (1 << 4)
# define DP_DSC_THROUGHPUT_MODE_1_400 (2 << 4)
# define DP_DSC_THROUGHPUT_MODE_1_450 (3 << 4)
# define DP_DSC_THROUGHPUT_MODE_1_500 (4 << 4)
# define DP_DSC_THROUGHPUT_MODE_1_550 (5 << 4)
# define DP_DSC_THROUGHPUT_MODE_1_600 (6 << 4)
# define DP_DSC_THROUGHPUT_MODE_1_650 (7 << 4)
# define DP_DSC_THROUGHPUT_MODE_1_700 (8 << 4)
# define DP_DSC_THROUGHPUT_MODE_1_750 (9 << 4)
# define DP_DSC_THROUGHPUT_MODE_1_800 (10 << 4)
# define DP_DSC_THROUGHPUT_MODE_1_850 (11 << 4)
# define DP_DSC_THROUGHPUT_MODE_1_900 (12 << 4)
# define DP_DSC_THROUGHPUT_MODE_1_950 (13 << 4)
# define DP_DSC_THROUGHPUT_MODE_1_1000 (14 << 4)
#define DP_DSC_MAX_SLICE_WIDTH 0x06C
#define DP_DSC_SLICE_CAP_2 0x06D
# define DP_DSC_16_PER_DP_DSC_SINK (1 << 0)
# define DP_DSC_20_PER_DP_DSC_SINK (1 << 1)
# define DP_DSC_24_PER_DP_DSC_SINK (1 << 2)
#define DP_DSC_BITS_PER_PIXEL_INC 0x06F
# define DP_DSC_BITS_PER_PIXEL_1_16 0x0
# define DP_DSC_BITS_PER_PIXEL_1_8 0x1
# define DP_DSC_BITS_PER_PIXEL_1_4 0x2
# define DP_DSC_BITS_PER_PIXEL_1_2 0x3
# define DP_DSC_BITS_PER_PIXEL_1 0x4
#define DP_PSR_SUPPORT 0x070 /* XXX 1.2? */
# define DP_PSR_IS_SUPPORTED 1
# define DP_PSR2_IS_SUPPORTED 2 /* eDP 1.4 */
@ -339,6 +444,8 @@
#define DP_AUX_FRAME_SYNC_VALUE 0x15c /* eDP 1.4 */
# define DP_AUX_FRAME_SYNC_VALID (1 << 0)
#define DP_DSC_ENABLE 0x160 /* DP 1.4 */
#define DP_PSR_EN_CFG 0x170 /* XXX 1.2? */
# define DP_PSR_ENABLE (1 << 0)
# define DP_PSR_MAIN_LINK_ACTIVE (1 << 1)