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drm/bridge/mhl: add write burst related definitions

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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
This commit is contained in:
Andrzej Hajda 2017-02-01 08:47:33 +01:00 committed by Archit Taneja
parent 2c8fb853c0
commit 981b3f3724
1 changed files with 53 additions and 0 deletions
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53
include/drm/bridge/mhl.h
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@ -15,6 +15,8 @@
#ifndef __MHL_H__ #ifndef __MHL_H__
#define __MHL_H__ #define __MHL_H__
#include <linux/types.h>
/* Device Capabilities Registers */ /* Device Capabilities Registers */
enum { enum {
MHL_DCAP_DEV_STATE, MHL_DCAP_DEV_STATE,
@ -288,4 +290,55 @@ enum {
/* Unsupported/unrecognized key code */ /* Unsupported/unrecognized key code */
#define MHL_UCPE_STATUS_INEFFECTIVE_KEY_CODE 0x01 #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__ */ #endif /* __MHL_H__ */