mirrors/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2025-11-04 10:40:15 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

drm: Add DPCD definitions for DP 1.4 DSC feature

Browse source 
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
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

107
include/drm/drm_dp_helper.h
View file

@ -179,6 +179,111 @@
#define DP_GUID 0x030 /* 1.2 */ #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_SUPPORT 0x070 /* XXX 1.2? */
# define DP_PSR_IS_SUPPORTED 1 # define DP_PSR_IS_SUPPORTED 1
# define DP_PSR2_IS_SUPPORTED 2 /* eDP 1.4 */ # 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_VALUE 0x15c /* eDP 1.4 */
# define DP_AUX_FRAME_SYNC_VALID (1 << 0) # 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_EN_CFG 0x170 /* XXX 1.2? */
# define DP_PSR_ENABLE (1 << 0) # define DP_PSR_ENABLE (1 << 0)
# define DP_PSR_MAIN_LINK_ACTIVE (1 << 1) # define DP_PSR_MAIN_LINK_ACTIVE (1 << 1)