Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 981b3f37 authored by Andrzej Hajda's avatar Andrzej Hajda Committed by Archit Taneja
Browse files

drm/bridge/mhl: add write burst related definitions 



Burst transmissions are required in MHL3 modes.

Signed-off-by: default avatarAndrzej Hajda <a.hajda@samsung.com>
Signed-off-by: default avatarArchit Taneja <architt@codeaurora.org>
Link: http://patchwork.freedesktop.org/patch/msgid/1485935272-17337-7-git-send-email-a.hajda@samsung.com
parent 2c8fb853

include/drm/bridge/mhl.h

+53 −0
Original line number Diff line number Diff line
@@ -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__ */