From: Dave Airlie <airl...@redhat.com>

This just adds the defines from the DP 1.2 spec, which we
will use later.

Signed-off-by: Dave Airlie <airlied at redhat.com>
---
 include/drm/drm_dp_helper.h | 78 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 78 insertions(+)

diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h
index cfcacec..879836d 100644
--- a/include/drm/drm_dp_helper.h
+++ b/include/drm/drm_dp_helper.h
@@ -37,6 +37,7 @@
  * eDP: Embedded DisplayPort version 1
  * DPI: DisplayPort Interoperability Guideline v1.1a
  * 1.2: DisplayPort 1.2
+ * MST: Multistream Transport - part of DP 1.2a
  *
  * 1.2 formally includes both eDP and DPI definitions.
  */
@@ -103,9 +104,14 @@
 #define DP_TRAINING_AUX_RD_INTERVAL         0x00e   /* XXX 1.2? */

 /* Multiple stream transport */
+#define DP_FAUX_CAP                        0x020   /* 1.2 */
+# define DP_FAUX_CAP_1                     (1 << 0)
+
 #define DP_MSTM_CAP                        0x021   /* 1.2 */
 # define DP_MST_CAP                        (1 << 0)

+#define DP_GUID                                    0x030   /* 1.2 */
+
 #define DP_PSR_SUPPORT                      0x070   /* XXX 1.2? */
 # define DP_PSR_IS_SUPPORTED                1
 #define DP_PSR_CAPS                         0x071   /* XXX 1.2? */
@@ -221,6 +227,16 @@
 # define DP_PSR_CRC_VERIFICATION           (1 << 2)
 # define DP_PSR_FRAME_CAPTURE              (1 << 3)

+#define DP_ADAPTER_CTRL                            0x1a0
+# define DP_ADAPTER_CTRL_FORCE_LOAD_SENSE   (1 << 0)
+
+#define DP_BRANCH_DEVICE_CTRL              0x1a1
+# define DP_BRANCH_DEVICE_IRQ_HPD          (1 << 0)
+
+#define DP_PAYLOAD_ALLOCATE_SET                    0x1c0
+#define DP_PAYLOAD_ALLOCATE_START_TIME_SLOT 0x1c1
+#define DP_PAYLOAD_ALLOCATE_TIME_SLOT_COUNT 0x1c2
+
 #define DP_SINK_COUNT                      0x200
 /* prior to 1.2 bit 7 was reserved mbz */
 # define DP_GET_SINK_COUNT(x)              ((((x) & 0x80) >> 1) | ((x) & 0x3f))
@@ -230,6 +246,9 @@
 # define DP_REMOTE_CONTROL_COMMAND_PENDING  (1 << 0)
 # define DP_AUTOMATED_TEST_REQUEST         (1 << 1)
 # define DP_CP_IRQ                         (1 << 2)
+# define DP_MCCS_IRQ                       (1 << 3)
+# define DP_DOWN_REP_MSG_RDY               (1 << 4) /* DP MST */
+# define DP_UP_REQ_MSG_RDY                 (1 << 5) /* DP MST */
 # define DP_SINK_SPECIFIC_IRQ              (1 << 6)

 #define DP_LANE0_1_STATUS                  0x202
@@ -294,6 +313,13 @@
 #define DP_TEST_SINK                       0x270
 #define DP_TEST_SINK_START         (1 << 0)

+#define DP_PAYLOAD_TABLE_UPDATE_STATUS      0x2c0   /* 1.2 MST */
+# define DP_PAYLOAD_TABLE_UPDATED           (1 << 0)
+# define DP_PAYLOAD_ACT_HANDLED             (1 << 1)
+
+#define DP_VC_PAYLOAD_ID_SLOT_1             0x2c1   /* 1.2 MST */
+/* up to ID_SLOT_63 at 0x2ff */
+
 #define DP_SOURCE_OUI                      0x300
 #define DP_SINK_OUI                        0x400
 #define DP_BRANCH_OUI                      0x500
@@ -303,6 +329,21 @@
 # define DP_SET_POWER_D3                    0x2
 # define DP_SET_POWER_MASK                  0x3

+#define DP_SIDEBAND_MSG_DOWN_REQ_BASE      0x1000   /* 1.2 MST */
+#define DP_SIDEBAND_MSG_UP_REP_BASE        0x1200   /* 1.2 MST */
+#define DP_SIDEBAND_MSG_DOWN_REP_BASE      0x1400   /* 1.2 MST */
+#define DP_SIDEBAND_MSG_UP_REQ_BASE        0x1600   /* 1.2 MST */
+
+#define DP_SINK_COUNT_ESI                  0x2002   /* 1.2 */
+/* 0-5 sink count */
+# define DP_SINK_COUNT_CP_READY             (1 << 6)
+
+#define DP_DEVICE_SERVICE_IRQ_VECTOR_ESI0   0x2003   /* 1.2 */
+
+#define DP_DEVICE_SERVICE_IRQ_VECTOR_ESI1   0x2004   /* 1.2 */
+
+#define DP_LINK_SERVICE_IRQ_VECTOR_ESI0     0x2005   /* 1.2 */
+
 #define DP_PSR_ERROR_STATUS                 0x2006  /* XXX 1.2? */
 # define DP_PSR_LINK_CRC_ERROR              (1 << 0)
 # define DP_PSR_RFB_STORAGE_ERROR           (1 << 1)
@@ -319,6 +360,43 @@
 # define DP_PSR_SINK_INTERNAL_ERROR         7
 # define DP_PSR_SINK_STATE_MASK             0x07

+/* DP 1.2 Sideband message defines */
+/* peer device type - DP 1.2a Table 2-92 */
+#define DP_PEER_DEVICE_NONE            0x0
+#define DP_PEER_DEVICE_SOURCE_OR_SST   0x1
+#define DP_PEER_DEVICE_MST_BRANCHING   0x2
+#define DP_PEER_DEVICE_SST_SINK                0x3
+#define DP_PEER_DEVICE_DP_LEGACY_CONV  0x4
+
+/* DP 1.2 MST sideband request names DP 1.2a Table 2-80 */
+#define DP_LINK_ADDRESS                        0x01
+#define DP_CONNECTION_STATUS_NOTIFY    0x02
+#define DP_ENUM_PATH_RESOURCES         0x10
+#define DP_ALLOCATE_PAYLOAD            0x11
+#define DP_QUERY_PAYLOAD               0x12
+#define DP_RESOURCE_STATUS_NOTIFY      0x13
+#define DP_CLEAR_PAYLOAD_ID_TABLE      0x14
+#define DP_REMOTE_DPCD_READ            0x20
+#define DP_REMOTE_DPCD_WRITE           0x21
+#define DP_REMOTE_I2C_READ             0x22
+#define DP_REMOTE_I2C_WRITE            0x23
+#define DP_POWER_UP_PHY                        0x24
+#define DP_POWER_DOWN_PHY              0x25
+#define DP_SINK_EVENT_NOTIFY           0x30
+#define DP_QUERY_STREAM_ENC_STATUS     0x38
+
+/* DP 1.2 MST sideband nak reasons - table 2.84 */
+#define DP_NAK_WRITE_FAILURE           0x01
+#define DP_NAK_INVALID_READ            0x02
+#define DP_NAK_CRC_FAILURE             0x03
+#define DP_NAK_BAD_PARAM               0x04
+#define DP_NAK_DEFER                   0x05
+#define DP_NAK_LINK_FAILURE            0x06
+#define DP_NAK_NO_RESOURCES            0x07
+#define DP_NAK_DPCD_FAIL               0x08
+#define DP_NAK_I2C_NAK                 0x09
+#define DP_NAK_ALLOCATE_FAIL           0x0a
+
 #define MODE_I2C_START 1
 #define MODE_I2C_WRITE 2
 #define MODE_I2C_READ  4
-- 
1.9.0

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