[PATCH v3 06/25] drm/bridge/mhl: add write burst related definitions
Andrzej Hajda
a.hajda at samsung.com
Wed Feb 1 07:47:33 UTC 2017
Burst transmissions are required in MHL3 modes.
Signed-off-by: Andrzej Hajda <a.hajda at samsung.com>
---
include/drm/bridge/mhl.h | 53 ++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 53 insertions(+)
diff --git a/include/drm/bridge/mhl.h b/include/drm/bridge/mhl.h
index 3629b27..e8d194d 100644
--- 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__ */
--
2.7.4
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