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authorAlex Deucher <alexdeucher@gmail.com>2009-11-24 13:32:59 -0500
committerDave Airlie <airlied@redhat.com>2009-12-08 10:22:44 +1000
commit5801ead6bd6bddf5505d6eab55f84d8ee8106cd8 (patch)
tree60cc75789c50aab78299499e05411c9140616bc2 /include/drm/drm_dp_helper.h
parentf92a8b6758bdc0f277c4f42aa7d736a205ac9ded (diff)
downloadlinux-5801ead6bd6bddf5505d6eab55f84d8ee8106cd8.tar.bz2
drm/radeon/kms: add support for DP modesetting
Signed-off-by: Alex Deucher <alexdeucher@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'include/drm/drm_dp_helper.h')
-rw-r--r--include/drm/drm_dp_helper.h57
1 files changed, 42 insertions, 15 deletions
diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h
index f09b0b2a99b7..a49e791db0b0 100644
--- a/include/drm/drm_dp_helper.h
+++ b/include/drm/drm_dp_helper.h
@@ -43,18 +43,41 @@
#define AUX_I2C_REPLY_MASK (0x3 << 6)
/* AUX CH addresses */
-#define DP_DPCD_REV 0x0
+/* DPCD */
+#define DP_DPCD_REV 0x000
-#define DP_LINK_BW_SET 0x100
+#define DP_MAX_LINK_RATE 0x001
+
+#define DP_MAX_LANE_COUNT 0x002
+# define DP_MAX_LANE_COUNT_MASK 0x1f
+# define DP_ENHANCED_FRAME_CAP (1 << 7)
+
+#define DP_MAX_DOWNSPREAD 0x003
+# define DP_NO_AUX_HANDSHAKE_LINK_TRAINING (1 << 6)
+
+#define DP_NORP 0x004
+
+#define DP_DOWNSTREAMPORT_PRESENT 0x005
+# define DP_DWN_STRM_PORT_PRESENT (1 << 0)
+# define DP_DWN_STRM_PORT_TYPE_MASK 0x06
+/* 00b = DisplayPort */
+/* 01b = Analog */
+/* 10b = TMDS or HDMI */
+/* 11b = Other */
+# define DP_FORMAT_CONVERSION (1 << 3)
+
+#define DP_MAIN_LINK_CHANNEL_CODING 0x006
+
+/* link configuration */
+#define DP_LINK_BW_SET 0x100
# define DP_LINK_BW_1_62 0x06
# define DP_LINK_BW_2_7 0x0a
-#define DP_LANE_COUNT_SET 0x101
+#define DP_LANE_COUNT_SET 0x101
# define DP_LANE_COUNT_MASK 0x0f
# define DP_LANE_COUNT_ENHANCED_FRAME_EN (1 << 7)
-#define DP_TRAINING_PATTERN_SET 0x102
-
+#define DP_TRAINING_PATTERN_SET 0x102
# define DP_TRAINING_PATTERN_DISABLE 0
# define DP_TRAINING_PATTERN_1 1
# define DP_TRAINING_PATTERN_2 2
@@ -104,11 +127,14 @@
#define DP_LANE0_1_STATUS 0x202
#define DP_LANE2_3_STATUS 0x203
-
# define DP_LANE_CR_DONE (1 << 0)
# define DP_LANE_CHANNEL_EQ_DONE (1 << 1)
# define DP_LANE_SYMBOL_LOCKED (1 << 2)
+#define DP_CHANNEL_EQ_BITS (DP_LANE_CR_DONE | \
+ DP_LANE_CHANNEL_EQ_DONE | \
+ DP_LANE_SYMBOL_LOCKED)
+
#define DP_LANE_ALIGN_STATUS_UPDATED 0x204
#define DP_INTERLANE_ALIGN_DONE (1 << 0)
@@ -122,17 +148,18 @@
#define DP_ADJUST_REQUEST_LANE0_1 0x206
#define DP_ADJUST_REQUEST_LANE2_3 0x207
-
-#define DP_ADJUST_VOLTAGE_SWING_LANE0_MASK 0x03
-#define DP_ADJUST_VOLTAGE_SWING_LANE0_SHIFT 0
-#define DP_ADJUST_PRE_EMPHASIS_LANE0_MASK 0x0c
-#define DP_ADJUST_PRE_EMPHASIS_LANE0_SHIFT 2
-#define DP_ADJUST_VOLTAGE_SWING_LANE1_MASK 0x30
-#define DP_ADJUST_VOLTAGE_SWING_LANE1_SHIFT 4
-#define DP_ADJUST_PRE_EMPHASIS_LANE1_MASK 0xc0
-#define DP_ADJUST_PRE_EMPHASIS_LANE1_SHIFT 6
+# define DP_ADJUST_VOLTAGE_SWING_LANE0_MASK 0x03
+# define DP_ADJUST_VOLTAGE_SWING_LANE0_SHIFT 0
+# define DP_ADJUST_PRE_EMPHASIS_LANE0_MASK 0x0c
+# define DP_ADJUST_PRE_EMPHASIS_LANE0_SHIFT 2
+# define DP_ADJUST_VOLTAGE_SWING_LANE1_MASK 0x30
+# define DP_ADJUST_VOLTAGE_SWING_LANE1_SHIFT 4
+# define DP_ADJUST_PRE_EMPHASIS_LANE1_MASK 0xc0
+# define DP_ADJUST_PRE_EMPHASIS_LANE1_SHIFT 6
#define DP_SET_POWER 0x600
+# define DP_SET_POWER_D0 0x1
+# define DP_SET_POWER_D3 0x2
#define MODE_I2C_START 1
#define MODE_I2C_WRITE 2