drm/bridge/mhl: add write burst related definitions

Burst transmissions are required in MHL3 modes.

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Archit Taneja <architt@codeaurora.org>
Link: http://patchwork.freedesktop.org/patch/msgid/1485935272-17337-7-git-send-email-a.hajda@samsung.com

diff --git a/include/drm/bridge/mhl.h b/include/drm/bridge/mhl.h
index 3629b2734db6d893fde216b2000994e0206af99d..e8d194da4b2c94ca47fd82286db773638d96040f 100644 (file)
--- a/include/drm/bridge/mhl.h
+++ b/include/drm/bridge/mhl.h
@@ -15,6 +15,8 @@
 #ifndef __MHL_H__
 #define __MHL_H__
 
+#include <linux/types.h>
+
 /* Device Capabilities Registers */
 enum {
        MHL_DCAP_DEV_STATE,
@@ -288,4 +290,55 @@ enum {
 /* Unsupported/unrecognized key code */
 #define MHL_UCPE_STATUS_INEFFECTIVE_KEY_CODE   0x01
 
+enum mhl_burst_id {
+       MHL_BURST_ID_3D_VIC = 0x10,
+       MHL_BURST_ID_3D_DTD = 0x11,
+       MHL_BURST_ID_HEV_VIC = 0x20,
+       MHL_BURST_ID_HEV_DTDA = 0x21,
+       MHL_BURST_ID_HEV_DTDB = 0x22,
+       MHL_BURST_ID_VC_ASSIGN = 0x38,
+       MHL_BURST_ID_VC_CONFIRM = 0x39,
+       MHL_BURST_ID_AUD_DELAY = 0x40,
+       MHL_BURST_ID_ADT_BURSTID = 0x41,
+       MHL_BURST_ID_BIST_SETUP = 0x51,
+       MHL_BURST_ID_BIST_RETURN_STAT = 0x52,
+       MHL_BURST_ID_EMSC_SUPPORT = 0x61,
+       MHL_BURST_ID_HID_PAYLOAD = 0x62,
+       MHL_BURST_ID_BLK_RCV_BUFFER_INFO = 0x63,
+       MHL_BURST_ID_BITS_PER_PIXEL_FMT = 0x64,
+};
+
+struct mhl_burst_blk_rcv_buffer_info {
+       __be16 id;
+       __le16 size;
+} __packed;
+
+struct mhl3_burst_header {
+       __be16 id;
+       u8 checksum;
+       u8 total_entries;
+       u8 sequence_index;
+} __packed;
+
+struct mhl_burst_bits_per_pixel_fmt {
+       struct mhl3_burst_header hdr;
+       u8 num_entries;
+       struct {
+               u8 stream_id;
+               u8 pixel_format;
+       } __packed desc[0];
+} __packed;
+
+struct mhl_burst_emsc_support {
+       struct mhl3_burst_header hdr;
+       u8 num_entries;
+       __be16 burst_id[0];
+} __packed;
+
+struct mhl_burst_audio_descr {
+       struct mhl3_burst_header hdr;
+       u8 flags;
+       u8 short_desc[9];
+} __packed;
+
 #endif /* __MHL_H__ */