drm/dp: add DPCD definitions from DP 1.1 and 1.2a

Add a number of DPCD definitions from DP 1.1 and 1.2a.

v2: drop wrong DP version reference, rename DP training set macros
(Sonika).

Reviewed-by: Sonika Jindal <sonika.jindal@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

1 files changed, 88 insertions, 5 deletions

diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h
index a3ecaa06c9db..319d5edfb3b5 100644
--- a/include/drm/drm_dp_helper.h
+++ b/include/drm/drm_dp_helper.h
@@ -92,6 +92,15 @@
 # define DP_MSA_TIMING_PAR_IGNORED          (1 << 6) /* eDP */
 # define DP_OUI_SUPPORT                     (1 << 7)
 
+#define DP_RECEIVE_PORT_0_CAP_0             0x008
+# define DP_LOCAL_EDID_PRESENT              (1 << 1)
+# define DP_ASSOCIATED_TO_PRECEDING_PORT    (1 << 2)
+
+#define DP_RECEIVE_PORT_0_BUFFER_SIZE       0x009
+
+#define DP_RECEIVE_PORT_1_CAP_0             0x00a
+#define DP_RECEIVE_PORT_1_BUFFER_SIZE       0x00b
+
 #define DP_I2C_SPEED_CAP                    0x00c    /* DPI */
 # define DP_I2C_SPEED_1K                    0x01
 # define DP_I2C_SPEED_5K                    0x02
@@ -101,10 +110,16 @@
 # define DP_I2C_SPEED_1M                    0x20
 
 #define DP_EDP_CONFIGURATION_CAP            0x00d   /* XXX 1.2? */
+# define DP_ALTERNATE_SCRAMBLER_RESET_CAP   (1 << 0)
+# define DP_FRAMING_CHANGE_CAP              (1 << 1)
 # define DP_DPCD_DISPLAY_CONTROL_CAPABLE     (1 << 3) /* edp v1.2 or higher */
 
 #define DP_TRAINING_AUX_RD_INTERVAL         0x00e   /* XXX 1.2? */
 
+#define DP_ADAPTER_CAP                      0x00f   /* 1.2 */
+# define DP_FORCE_LOAD_SENSE_CAP            (1 << 0)
+# define DP_ALTERNATE_I2C_PATTERN_CAP       (1 << 1)
+
 #define DP_SUPPORTED_LINK_RATES             0x010 /* eDP 1.4 */
 # define DP_MAX_SUPPORTED_RATES              8      /* 16-bit little-endian */
 
@@ -115,6 +130,44 @@
 #define DP_MSTM_CAP                         0x021   /* 1.2 */
 # define DP_MST_CAP                         (1 << 0)
 
+#define DP_NUMBER_OF_AUDIO_ENDPOINTS        0x022   /* 1.2 */
+
+/* AV_SYNC_DATA_BLOCK                                  1.2 */
+#define DP_AV_GRANULARITY                   0x023
+# define DP_AG_FACTOR_MASK                  (0xf << 0)
+# define DP_AG_FACTOR_3MS                   (0 << 0)
+# define DP_AG_FACTOR_2MS                   (1 << 0)
+# define DP_AG_FACTOR_1MS                   (2 << 0)
+# define DP_AG_FACTOR_500US                 (3 << 0)
+# define DP_AG_FACTOR_200US                 (4 << 0)
+# define DP_AG_FACTOR_100US                 (5 << 0)
+# define DP_AG_FACTOR_10US                  (6 << 0)
+# define DP_AG_FACTOR_1US                   (7 << 0)
+# define DP_VG_FACTOR_MASK                  (0xf << 4)
+# define DP_VG_FACTOR_3MS                   (0 << 4)
+# define DP_VG_FACTOR_2MS                   (1 << 4)
+# define DP_VG_FACTOR_1MS                   (2 << 4)
+# define DP_VG_FACTOR_500US                 (3 << 4)
+# define DP_VG_FACTOR_200US                 (4 << 4)
+# define DP_VG_FACTOR_100US                 (5 << 4)
+
+#define DP_AUD_DEC_LAT0                     0x024
+#define DP_AUD_DEC_LAT1                     0x025
+
+#define DP_AUD_PP_LAT0                      0x026
+#define DP_AUD_PP_LAT1                      0x027
+
+#define DP_VID_INTER_LAT                    0x028
+
+#define DP_VID_PROG_LAT                     0x029
+
+#define DP_REP_LAT                          0x02a
+
+#define DP_AUD_DEL_INS0                     0x02b
+#define DP_AUD_DEL_INS1                     0x02c
+#define DP_AUD_DEL_INS2                     0x02d
+/* End of AV_SYNC_DATA_BLOCK */
+
 #define DP_GUID                             0x030   /* 1.2 */
 
 #define DP_PSR_SUPPORT                      0x070   /* XXX 1.2? */
@@ -173,11 +226,12 @@
 # define DP_TRAINING_PATTERN_3              3       /* 1.2 */
 # define DP_TRAINING_PATTERN_MASK           0x3
 
-# define DP_LINK_QUAL_PATTERN_DISABLE       (0 << 2)
-# define DP_LINK_QUAL_PATTERN_D10_2         (1 << 2)
-# define DP_LINK_QUAL_PATTERN_ERROR_RATE    (2 << 2)
-# define DP_LINK_QUAL_PATTERN_PRBS7         (3 << 2)
-# define DP_LINK_QUAL_PATTERN_MASK          (3 << 2)
+/* DPCD 1.1 only. For DPCD >= 1.2 see per-lane DP_LINK_QUAL_LANEn_SET */
+# define DP_LINK_QUAL_PATTERN_11_DISABLE    (0 << 2)
+# define DP_LINK_QUAL_PATTERN_11_D10_2      (1 << 2)
+# define DP_LINK_QUAL_PATTERN_11_ERROR_RATE (2 << 2)
+# define DP_LINK_QUAL_PATTERN_11_PRBS7      (3 << 2)
+# define DP_LINK_QUAL_PATTERN_11_MASK       (3 << 2)
 
 # define DP_RECOVERED_CLOCK_OUT_EN          (1 << 4)
 # define DP_LINK_SCRAMBLING_DISABLE         (1 << 5)
@@ -220,14 +274,43 @@
 /* bitmask as for DP_I2C_SPEED_CAP */
 
 #define DP_EDP_CONFIGURATION_SET            0x10a   /* XXX 1.2? */
+# define DP_ALTERNATE_SCRAMBLER_RESET_ENABLE (1 << 0)
+# define DP_FRAMING_CHANGE_ENABLE           (1 << 1)
+# define DP_PANEL_SELF_TEST_ENABLE          (1 << 7)
+
+#define DP_LINK_QUAL_LANE0_SET              0x10b   /* DPCD >= 1.2 */
+#define DP_LINK_QUAL_LANE1_SET              0x10c
+#define DP_LINK_QUAL_LANE2_SET              0x10d
+#define DP_LINK_QUAL_LANE3_SET              0x10e
+# define DP_LINK_QUAL_PATTERN_DISABLE       0
+# define DP_LINK_QUAL_PATTERN_D10_2         1
+# define DP_LINK_QUAL_PATTERN_ERROR_RATE    2
+# define DP_LINK_QUAL_PATTERN_PRBS7         3
+# define DP_LINK_QUAL_PATTERN_80BIT_CUSTOM  4
+# define DP_LINK_QUAL_PATTERN_HBR2_EYE      5
+# define DP_LINK_QUAL_PATTERN_MASK          7
+
+#define DP_TRAINING_LANE0_1_SET2            0x10f
+#define DP_TRAINING_LANE2_3_SET2            0x110
+# define DP_LANE02_POST_CURSOR2_SET_MASK    (3 << 0)
+# define DP_LANE02_MAX_POST_CURSOR2_REACHED (1 << 2)
+# define DP_LANE13_POST_CURSOR2_SET_MASK    (3 << 4)
+# define DP_LANE13_MAX_POST_CURSOR2_REACHED (1 << 6)
 
 #define DP_MSTM_CTRL                        0x111   /* 1.2 */
 # define DP_MST_EN                          (1 << 0)
 # define DP_UP_REQ_EN                       (1 << 1)
 # define DP_UPSTREAM_IS_SRC                 (1 << 2)
 
+#define DP_AUDIO_DELAY0                     0x112   /* 1.2 */
+#define DP_AUDIO_DELAY1                     0x113
+#define DP_AUDIO_DELAY2                     0x114
+
 #define DP_LINK_RATE_SET                    0x115   /* eDP 1.4 */
 
+#define DP_UPSTREAM_DEVICE_DP_PWR_NEED      0x118   /* 1.2 */
+# define DP_PWR_NOT_NEEDED                  (1 << 0)
+
 #define DP_PSR_EN_CFG                       0x170   /* XXX 1.2? */
 # define DP_PSR_ENABLE                      (1 << 0)
 # define DP_PSR_MAIN_LINK_ACTIVE            (1 << 1)