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/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2019 Pengutronix, Michael Tretter <kernel@pengutronix.de>
*
* Allegro VCU firmware mailbox mail definitions
*/
#ifndef ALLEGRO_MAIL_H
#define ALLEGRO_MAIL_H
#include <linux/kernel.h>
enum mcu_msg_type {
MCU_MSG_TYPE_INIT = 0x0000,
MCU_MSG_TYPE_CREATE_CHANNEL = 0x0005,
MCU_MSG_TYPE_DESTROY_CHANNEL = 0x0006,
MCU_MSG_TYPE_ENCODE_FRAME = 0x0007,
MCU_MSG_TYPE_PUT_STREAM_BUFFER = 0x0012,
MCU_MSG_TYPE_PUSH_BUFFER_INTERMEDIATE = 0x000e,
MCU_MSG_TYPE_PUSH_BUFFER_REFERENCE = 0x000f,
};
enum mcu_msg_version {
MCU_MSG_VERSION_2018_2,
MCU_MSG_VERSION_2019_2,
};
const char *msg_type_name(enum mcu_msg_type type);
struct mcu_msg_header {
enum mcu_msg_type type;
enum mcu_msg_version version;
};
struct mcu_msg_init_request {
struct mcu_msg_header header;
u32 reserved0; /* maybe a unused channel id */
u32 suballoc_dma;
u32 suballoc_size;
s32 encoder_buffer_size;
s32 encoder_buffer_color_depth;
s32 num_cores;
s32 clk_rate;
};
struct mcu_msg_init_response {
struct mcu_msg_header header;
u32 reserved0;
};
struct create_channel_param {
enum mcu_msg_version version;
u32 layer_id;
u16 width;
u16 height;
u32 videomode;
u32 format;
u32 colorspace;
u32 src_mode;
u32 src_bit_depth;
u8 profile;
u16 constraint_set_flags;
u32 codec;
u16 level;
u16 tier;
u32 log2_max_poc;
u32 log2_max_frame_num;
u32 temporal_mvp_enable;
u32 enable_reordering;
u32 dbf_ovr_en;
u32 override_lf;
u32 num_ref_idx_l0;
u32 num_ref_idx_l1;
u32 custom_lda;
u32 rdo_cost_mode;
u32 lf;
u32 lf_x_tile;
u32 lf_x_slice;
s8 beta_offset;
s8 tc_offset;
u16 reserved10;
u32 unknown11;
u32 unknown12;
u16 num_slices;
u32 encoder_buffer_offset;
u32 encoder_buffer_enabled;
u16 clip_hrz_range;
u16 clip_vrt_range;
u16 me_range[4];
u8 max_cu_size;
u8 min_cu_size;
u8 max_tu_size;
u8 min_tu_size;
u8 max_transfo_depth_inter;
u8 max_transfo_depth_intra;
u16 reserved20;
u32 entropy_mode;
u32 wp_mode;
/* rate control param */
u32 rate_control_mode;
u32 initial_rem_delay;
u32 cpb_size;
u16 framerate;
u16 clk_ratio;
u32 target_bitrate;
u32 max_bitrate;
u16 initial_qp;
u16 min_qp;
u16 max_qp;
s16 ip_delta;
s16 pb_delta;
u16 golden_ref;
u16 golden_delta;
u16 golden_ref_frequency;
u32 rate_control_option;
u32 num_pixel;
u16 max_psnr;
u16 max_pixel_value;
u32 maxpicturesize[3];
/* gop param */
u32 gop_ctrl_mode;
u32 freq_idr;
u32 freq_lt;
u32 gdr_mode;
u16 gop_length;
u8 num_b;
u8 freq_golden_ref;
u32 enable_lt;
u32 tmpdqp;
u32 subframe_latency;
u32 lda_control_mode;
u32 unknown41;
u32 lda_factors[6];
u32 max_num_merge_cand;
};
struct mcu_msg_create_channel {
struct mcu_msg_header header;
u32 user_id;
u32 *blob;
size_t blob_size;
u32 blob_mcu_addr;
u32 ep1_addr;
};
struct mcu_msg_create_channel_response {
struct mcu_msg_header header;
u32 channel_id;
u32 user_id;
u32 options;
u32 num_core;
u32 num_ref_idx_l0;
u32 num_ref_idx_l1;
u32 int_buffers_count;
u32 int_buffers_size;
u32 rec_buffers_count;
u32 rec_buffers_size;
u32 reserved;
u32 error_code;
};
struct mcu_msg_destroy_channel {
struct mcu_msg_header header;
u32 channel_id;
};
struct mcu_msg_destroy_channel_response {
struct mcu_msg_header header;
u32 channel_id;
};
struct mcu_msg_push_buffers_internal_buffer {
u32 dma_addr;
u32 mcu_addr;
u32 size;
};
struct mcu_msg_push_buffers_internal {
struct mcu_msg_header header;
u32 channel_id;
size_t num_buffers;
struct mcu_msg_push_buffers_internal_buffer buffer[] __counted_by(num_buffers);
};
struct mcu_msg_put_stream_buffer {
struct mcu_msg_header header;
u32 channel_id;
u32 dma_addr;
u32 mcu_addr;
u32 size;
u32 offset;
u64 dst_handle;
};
struct mcu_msg_encode_frame {
struct mcu_msg_header header;
u32 channel_id;
u32 reserved;
u32 encoding_options;
#define AL_OPT_USE_QP_TABLE BIT(0)
#define AL_OPT_FORCE_LOAD BIT(1)
#define AL_OPT_USE_L2 BIT(2)
#define AL_OPT_DISABLE_INTRA BIT(3)
#define AL_OPT_DEPENDENT_SLICES BIT(4)
s16 pps_qp;
u16 padding;
u64 user_param;
u64 src_handle;
u32 request_options;
#define AL_OPT_SCENE_CHANGE BIT(0)
#define AL_OPT_RESTART_GOP BIT(1)
#define AL_OPT_USE_LONG_TERM BIT(2)
#define AL_OPT_UPDATE_PARAMS BIT(3)
/* u32 scene_change_delay (optional) */
/* rate control param (optional) */
/* gop param (optional) */
/* dynamic resolution params (optional) */
u32 src_y;
u32 src_uv;
u32 is_10_bit;
u32 stride;
u32 format;
u32 ep2;
u64 ep2_v;
};
struct mcu_msg_encode_frame_response {
struct mcu_msg_header header;
u32 channel_id;
u64 dst_handle; /* see mcu_msg_put_stream_buffer */
u64 user_param; /* see mcu_msg_encode_frame */
u64 src_handle; /* see mcu_msg_encode_frame */
u16 skip;
u16 is_ref;
u32 initial_removal_delay;
u32 dpb_output_delay;
u32 size;
u32 frame_tag_size;
s32 stuffing;
s32 filler;
u16 num_column;
u16 num_row;
u16 qp;
u8 num_ref_idx_l0;
u8 num_ref_idx_l1;
u32 partition_table_offset;
s32 partition_table_size;
u32 sum_complex;
s32 tile_width[4];
s32 tile_height[22];
u32 error_code;
u32 slice_type;
#define AL_ENC_SLICE_TYPE_B 0
#define AL_ENC_SLICE_TYPE_P 1
#define AL_ENC_SLICE_TYPE_I 2
u32 pic_struct;
u8 is_idr;
u8 is_first_slice;
u8 is_last_slice;
u8 reserved;
u16 pps_qp;
u16 reserved1;
u32 reserved2;
u32 reserved3;
u32 reserved4;
u32 reserved5;
u32 reserved6;
};
union mcu_msg_response {
struct mcu_msg_header header;
struct mcu_msg_init_response init;
struct mcu_msg_create_channel_response create_channel;
struct mcu_msg_destroy_channel_response destroy_channel;
struct mcu_msg_encode_frame_response encode_frame;
};
ssize_t allegro_encode_config_blob(u32 *dst, struct create_channel_param *param);
ssize_t allegro_decode_config_blob(struct create_channel_param *param,
struct mcu_msg_create_channel_response *msg,
u32 *src);
int allegro_decode_mail(void *msg, u32 *src);
ssize_t allegro_encode_mail(u32 *dst, void *msg);
#endif