From 981b3f372458220fca74cd79d61375a5b793b578 Mon Sep 17 00:00:00 2001 From: Andrzej Hajda Date: Wed, 1 Feb 2017 08:47:33 +0100 Subject: [PATCH] drm/bridge/mhl: add write burst related definitions Burst transmissions are required in MHL3 modes. Signed-off-by: Andrzej Hajda Signed-off-by: Archit Taneja Link: http://patchwork.freedesktop.org/patch/msgid/1485935272-17337-7-git-send-email-a.hajda@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 3629b2734db6..e8d194da4b2c 100644 --- a/include/drm/bridge/mhl.h +++ b/include/drm/bridge/mhl.h @@ -15,6 +15,8 @@ #ifndef __MHL_H__ #define __MHL_H__ +#include + /* 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__ */ -- 2.11.0