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authorJesse Barnes <jbarnes@virtuousgeek.org>2011-10-21 02:09:17 +0400
committerKeith Packard <keithp@keithp.com>2011-10-21 10:22:01 +0400
commita60f0e38d72a5e24085d6e7e27a4cadc20ae268a (patch)
tree65dfb758c4b13423203aeb8535f547b5718cd256 /include/drm/drm_dp_helper.h
parenta2006cf5a7ad3463e7c1e9da2c4bc90499427558 (diff)
downloadlinux-a60f0e38d72a5e24085d6e7e27a4cadc20ae268a.tar.xz
drm/i915: add DP test request handling
DPCD 1.1+ adds some automated test infrastructure support. Add support for reading the IRQ source and jumping to a test handling routine if needed. Subsequent patches will handle particular tests; this patch just ACKs any requested tests by default. Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Keith Packard <keithp@keithp.com>
Diffstat (limited to 'include/drm/drm_dp_helper.h')
-rw-r--r--include/drm/drm_dp_helper.h25
1 files changed, 25 insertions, 0 deletions
diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h
index 2b1a3585f8d8..0d2f727e96be 100644
--- a/include/drm/drm_dp_helper.h
+++ b/include/drm/drm_dp_helper.h
@@ -153,6 +153,12 @@
# define DP_PSR_CRC_VERIFICATION (1 << 2)
# define DP_PSR_FRAME_CAPTURE (1 << 3)
+#define DP_DEVICE_SERVICE_IRQ_VECTOR 0x201
+# define DP_REMOTE_CONTROL_COMMAND_PENDING (1 << 0)
+# define DP_AUTOMATED_TEST_REQUEST (1 << 1)
+# define DP_CP_IRQ (1 << 2)
+# define DP_SINK_SPECIFIC_IRQ (1 << 6)
+
#define DP_LANE0_1_STATUS 0x202
#define DP_LANE2_3_STATUS 0x203
# define DP_LANE_CR_DONE (1 << 0)
@@ -185,6 +191,25 @@
# define DP_ADJUST_PRE_EMPHASIS_LANE1_MASK 0xc0
# define DP_ADJUST_PRE_EMPHASIS_LANE1_SHIFT 6
+#define DP_TEST_REQUEST 0x218
+# define DP_TEST_LINK_TRAINING (1 << 0)
+# define DP_TEST_LINK_PATTERN (1 << 1)
+# define DP_TEST_LINK_EDID_READ (1 << 2)
+# define DP_TEST_LINK_PHY_TEST_PATTERN (1 << 3) /* DPCD >= 1.1 */
+
+#define DP_TEST_LINK_RATE 0x219
+# define DP_LINK_RATE_162 (0x6)
+# define DP_LINK_RATE_27 (0xa)
+
+#define DP_TEST_LANE_COUNT 0x220
+
+#define DP_TEST_PATTERN 0x221
+
+#define DP_TEST_RESPONSE 0x260
+# define DP_TEST_ACK (1 << 0)
+# define DP_TEST_NAK (1 << 1)
+# define DP_TEST_EDID_CHECKSUM_WRITE (1 << 2)
+
#define DP_SET_POWER 0x600
# define DP_SET_POWER_D0 0x1
# define DP_SET_POWER_D3 0x2