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media: mediatek: vcodec: Extract H264 common code

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Mt8192 can use some of common code with mt8183. Moves them to
a new file in order to reuse.

[hverkuil: replaced memcpy_toio by memcpy, was left over from a prev version]

Signed-off-by: Yunfei Dong <yunfei.dong@mediatek.com>
Reviewed-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Tested-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
This commit is contained in:
Yunfei Dong 2022-05-12 04:19:46 +02:00 committed by Mauro Carvalho Chehab
parent ba9a7dbb23
commit 024b1f4fed
4 changed files with 629 additions and 383 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/media/platform/mediatek/vcodec/Makefile
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@ -9,6 +9,7 @@ mtk-vcodec-dec-y := vdec/vdec_h264_if.o \
vdec/vdec_vp8_if.o \
vdec/vdec_vp9_if.o \
vdec/vdec_h264_req_if.o \
vdec/vdec_h264_req_common.o \
mtk_vcodec_dec_drv.o \
vdec_drv_if.o \
vdec_vpu_if.o \

310
drivers/media/platform/mediatek/vcodec/vdec/vdec_h264_req_common.c Normal file
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@ -0,0 +1,310 @@
// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (c) 2022 MediaTek Inc.
* Author: Yunfei Dong <yunfei.dong@mediatek.com>
*/
#include "vdec_h264_req_common.h"
/* get used parameters for sps/pps */
#define GET_MTK_VDEC_FLAG(cond, flag) \
{ dst_param->cond = ((src_param->flags & flag) ? (1) : (0)); }
#define GET_MTK_VDEC_PARAM(param) \
{ dst_param->param = src_param->param; }
/*
* The firmware expects unused reflist entries to have the value 0x20.
*/
void mtk_vdec_h264_fixup_ref_list(u8 *ref_list, size_t num_valid)
{
memset(&ref_list[num_valid], 0x20, 32 - num_valid);
}
void *mtk_vdec_h264_get_ctrl_ptr(struct mtk_vcodec_ctx *ctx, int id)
{
struct v4l2_ctrl *ctrl = v4l2_ctrl_find(&ctx->ctrl_hdl, id);
if (!ctrl)
return ERR_PTR(-EINVAL);
return ctrl->p_cur.p;
}
void mtk_vdec_h264_fill_dpb_info(struct mtk_vcodec_ctx *ctx,
struct slice_api_h264_decode_param *decode_params,
struct mtk_h264_dpb_info *h264_dpb_info)
{
const struct slice_h264_dpb_entry *dpb;
struct vb2_queue *vq;
struct vb2_buffer *vb;
struct vb2_v4l2_buffer *vb2_v4l2;
int index, vb2_index;
vq = v4l2_m2m_get_vq(ctx->m2m_ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
for (index = 0; index < V4L2_H264_NUM_DPB_ENTRIES; index++) {
dpb = &decode_params->dpb[index];
if (!(dpb->flags & V4L2_H264_DPB_ENTRY_FLAG_ACTIVE)) {
h264_dpb_info[index].reference_flag = 0;
continue;
}
vb2_index = vb2_find_timestamp(vq, dpb->reference_ts, 0);
if (vb2_index < 0) {
dev_err(&ctx->dev->plat_dev->dev,
"Reference invalid: dpb_index(%d) reference_ts(%lld)",
index, dpb->reference_ts);
continue;
}
/* 1 for short term reference, 2 for long term reference */
if (!(dpb->flags & V4L2_H264_DPB_ENTRY_FLAG_LONG_TERM))
h264_dpb_info[index].reference_flag = 1;
else
h264_dpb_info[index].reference_flag = 2;
vb = vq->bufs[vb2_index];
vb2_v4l2 = container_of(vb, struct vb2_v4l2_buffer, vb2_buf);
h264_dpb_info[index].field = vb2_v4l2->field;
h264_dpb_info[index].y_dma_addr =
vb2_dma_contig_plane_dma_addr(vb, 0);
if (ctx->q_data[MTK_Q_DATA_DST].fmt->num_planes == 2)
h264_dpb_info[index].c_dma_addr =
vb2_dma_contig_plane_dma_addr(vb, 1);
else
h264_dpb_info[index].c_dma_addr =
h264_dpb_info[index].y_dma_addr +
ctx->picinfo.fb_sz[0];
}
}
void mtk_vdec_h264_copy_sps_params(struct mtk_h264_sps_param *dst_param,
const struct v4l2_ctrl_h264_sps *src_param)
{
GET_MTK_VDEC_PARAM(chroma_format_idc);
GET_MTK_VDEC_PARAM(bit_depth_luma_minus8);
GET_MTK_VDEC_PARAM(bit_depth_chroma_minus8);
GET_MTK_VDEC_PARAM(log2_max_frame_num_minus4);
GET_MTK_VDEC_PARAM(pic_order_cnt_type);
GET_MTK_VDEC_PARAM(log2_max_pic_order_cnt_lsb_minus4);
GET_MTK_VDEC_PARAM(max_num_ref_frames);
GET_MTK_VDEC_PARAM(pic_width_in_mbs_minus1);
GET_MTK_VDEC_PARAM(pic_height_in_map_units_minus1);
GET_MTK_VDEC_FLAG(separate_colour_plane_flag,
V4L2_H264_SPS_FLAG_SEPARATE_COLOUR_PLANE);
GET_MTK_VDEC_FLAG(qpprime_y_zero_transform_bypass_flag,
V4L2_H264_SPS_FLAG_QPPRIME_Y_ZERO_TRANSFORM_BYPASS);
GET_MTK_VDEC_FLAG(delta_pic_order_always_zero_flag,
V4L2_H264_SPS_FLAG_DELTA_PIC_ORDER_ALWAYS_ZERO);
GET_MTK_VDEC_FLAG(frame_mbs_only_flag,
V4L2_H264_SPS_FLAG_FRAME_MBS_ONLY);
GET_MTK_VDEC_FLAG(mb_adaptive_frame_field_flag,
V4L2_H264_SPS_FLAG_MB_ADAPTIVE_FRAME_FIELD);
GET_MTK_VDEC_FLAG(direct_8x8_inference_flag,
V4L2_H264_SPS_FLAG_DIRECT_8X8_INFERENCE);
}
void mtk_vdec_h264_copy_pps_params(struct mtk_h264_pps_param *dst_param,
const struct v4l2_ctrl_h264_pps *src_param)
{
GET_MTK_VDEC_PARAM(num_ref_idx_l0_default_active_minus1);
GET_MTK_VDEC_PARAM(num_ref_idx_l1_default_active_minus1);
GET_MTK_VDEC_PARAM(weighted_bipred_idc);
GET_MTK_VDEC_PARAM(pic_init_qp_minus26);
GET_MTK_VDEC_PARAM(chroma_qp_index_offset);
GET_MTK_VDEC_PARAM(second_chroma_qp_index_offset);
GET_MTK_VDEC_FLAG(entropy_coding_mode_flag,
V4L2_H264_PPS_FLAG_ENTROPY_CODING_MODE);
GET_MTK_VDEC_FLAG(pic_order_present_flag,
V4L2_H264_PPS_FLAG_BOTTOM_FIELD_PIC_ORDER_IN_FRAME_PRESENT);
GET_MTK_VDEC_FLAG(weighted_pred_flag,
V4L2_H264_PPS_FLAG_WEIGHTED_PRED);
GET_MTK_VDEC_FLAG(deblocking_filter_control_present_flag,
V4L2_H264_PPS_FLAG_DEBLOCKING_FILTER_CONTROL_PRESENT);
GET_MTK_VDEC_FLAG(constrained_intra_pred_flag,
V4L2_H264_PPS_FLAG_CONSTRAINED_INTRA_PRED);
GET_MTK_VDEC_FLAG(redundant_pic_cnt_present_flag,
V4L2_H264_PPS_FLAG_REDUNDANT_PIC_CNT_PRESENT);
GET_MTK_VDEC_FLAG(transform_8x8_mode_flag,
V4L2_H264_PPS_FLAG_TRANSFORM_8X8_MODE);
GET_MTK_VDEC_FLAG(scaling_matrix_present_flag,
V4L2_H264_PPS_FLAG_SCALING_MATRIX_PRESENT);
}
void mtk_vdec_h264_copy_slice_hd_params(struct mtk_h264_slice_hd_param *dst_param,
const struct v4l2_ctrl_h264_slice_params *src_param,
const struct v4l2_ctrl_h264_decode_params *dec_param)
{
int temp;
GET_MTK_VDEC_PARAM(first_mb_in_slice);
GET_MTK_VDEC_PARAM(slice_type);
GET_MTK_VDEC_PARAM(cabac_init_idc);
GET_MTK_VDEC_PARAM(slice_qp_delta);
GET_MTK_VDEC_PARAM(disable_deblocking_filter_idc);
GET_MTK_VDEC_PARAM(slice_alpha_c0_offset_div2);
GET_MTK_VDEC_PARAM(slice_beta_offset_div2);
GET_MTK_VDEC_PARAM(num_ref_idx_l0_active_minus1);
GET_MTK_VDEC_PARAM(num_ref_idx_l1_active_minus1);
dst_param->frame_num = dec_param->frame_num;
dst_param->pic_order_cnt_lsb = dec_param->pic_order_cnt_lsb;
dst_param->delta_pic_order_cnt_bottom =
dec_param->delta_pic_order_cnt_bottom;
dst_param->delta_pic_order_cnt0 =
dec_param->delta_pic_order_cnt0;
dst_param->delta_pic_order_cnt1 =
dec_param->delta_pic_order_cnt1;
temp = dec_param->flags & V4L2_H264_DECODE_PARAM_FLAG_FIELD_PIC;
dst_param->field_pic_flag = temp ? 1 : 0;
temp = dec_param->flags & V4L2_H264_DECODE_PARAM_FLAG_BOTTOM_FIELD;
dst_param->bottom_field_flag = temp ? 1 : 0;
GET_MTK_VDEC_FLAG(direct_spatial_mv_pred_flag,
V4L2_H264_SLICE_FLAG_DIRECT_SPATIAL_MV_PRED);
}
void mtk_vdec_h264_copy_scaling_matrix(struct slice_api_h264_scaling_matrix *dst_matrix,
const struct v4l2_ctrl_h264_scaling_matrix *src_matrix)
{
memcpy(dst_matrix->scaling_list_4x4, src_matrix->scaling_list_4x4,
sizeof(dst_matrix->scaling_list_4x4));
memcpy(dst_matrix->scaling_list_8x8, src_matrix->scaling_list_8x8,
sizeof(dst_matrix->scaling_list_8x8));
}
void
mtk_vdec_h264_copy_decode_params(struct slice_api_h264_decode_param *dst_params,
const struct v4l2_ctrl_h264_decode_params *src_params,
const struct v4l2_h264_dpb_entry dpb[V4L2_H264_NUM_DPB_ENTRIES])
{
struct slice_h264_dpb_entry *dst_entry;
const struct v4l2_h264_dpb_entry *src_entry;
int i;
for (i = 0; i < ARRAY_SIZE(dst_params->dpb); i++) {
dst_entry = &dst_params->dpb[i];
src_entry = &dpb[i];
dst_entry->reference_ts = src_entry->reference_ts;
dst_entry->frame_num = src_entry->frame_num;
dst_entry->pic_num = src_entry->pic_num;
dst_entry->top_field_order_cnt = src_entry->top_field_order_cnt;
dst_entry->bottom_field_order_cnt =
src_entry->bottom_field_order_cnt;
dst_entry->flags = src_entry->flags;
}
/* num_slices is a leftover from the old H.264 support and is ignored
* by the firmware.
*/
dst_params->num_slices = 0;
dst_params->nal_ref_idc = src_params->nal_ref_idc;
dst_params->top_field_order_cnt = src_params->top_field_order_cnt;
dst_params->bottom_field_order_cnt = src_params->bottom_field_order_cnt;
dst_params->flags = src_params->flags;
}
static bool mtk_vdec_h264_dpb_entry_match(const struct v4l2_h264_dpb_entry *a,
const struct v4l2_h264_dpb_entry *b)
{
return a->top_field_order_cnt == b->top_field_order_cnt &&
a->bottom_field_order_cnt == b->bottom_field_order_cnt;
}
/*
* Move DPB entries of dec_param that refer to a frame already existing in dpb
* into the already existing slot in dpb, and move other entries into new slots.
*
* This function is an adaptation of the similarly-named function in
* hantro_h264.c.
*/
void mtk_vdec_h264_update_dpb(const struct v4l2_ctrl_h264_decode_params *dec_param,
struct v4l2_h264_dpb_entry *dpb)
{
DECLARE_BITMAP(new, ARRAY_SIZE(dec_param->dpb)) = { 0, };
DECLARE_BITMAP(in_use, ARRAY_SIZE(dec_param->dpb)) = { 0, };
DECLARE_BITMAP(used, ARRAY_SIZE(dec_param->dpb)) = { 0, };
unsigned int i, j;
/* Disable all entries by default, and mark the ones in use. */
for (i = 0; i < ARRAY_SIZE(dec_param->dpb); i++) {
if (dpb[i].flags & V4L2_H264_DPB_ENTRY_FLAG_ACTIVE)
set_bit(i, in_use);
dpb[i].flags &= ~V4L2_H264_DPB_ENTRY_FLAG_ACTIVE;
}
/* Try to match new DPB entries with existing ones by their POCs. */
for (i = 0; i < ARRAY_SIZE(dec_param->dpb); i++) {
const struct v4l2_h264_dpb_entry *ndpb = &dec_param->dpb[i];
if (!(ndpb->flags & V4L2_H264_DPB_ENTRY_FLAG_ACTIVE))
continue;
/*
* To cut off some comparisons, iterate only on target DPB
* entries were already used.
*/
for_each_set_bit(j, in_use, ARRAY_SIZE(dec_param->dpb)) {
struct v4l2_h264_dpb_entry *cdpb;
cdpb = &dpb[j];
if (!mtk_vdec_h264_dpb_entry_match(cdpb, ndpb))
continue;
*cdpb = *ndpb;
set_bit(j, used);
/* Don't reiterate on this one. */
clear_bit(j, in_use);
break;
}
if (j == ARRAY_SIZE(dec_param->dpb))
set_bit(i, new);
}
/* For entries that could not be matched, use remaining free slots. */
for_each_set_bit(i, new, ARRAY_SIZE(dec_param->dpb)) {
const struct v4l2_h264_dpb_entry *ndpb = &dec_param->dpb[i];
struct v4l2_h264_dpb_entry *cdpb;
/*
* Both arrays are of the same sizes, so there is no way
* we can end up with no space in target array, unless
* something is buggy.
*/
j = find_first_zero_bit(used, ARRAY_SIZE(dec_param->dpb));
if (WARN_ON(j >= ARRAY_SIZE(dec_param->dpb)))
return;
cdpb = &dpb[j];
*cdpb = *ndpb;
set_bit(j, used);
}
}
unsigned int mtk_vdec_h264_get_mv_buf_size(unsigned int width, unsigned int height)
{
int unit_size = (width / MB_UNIT_LEN) * (height / MB_UNIT_LEN) + 8;
return HW_MB_STORE_SZ * unit_size;
}
int mtk_vdec_h264_find_start_code(unsigned char *data, unsigned int data_sz)
{
if (data_sz > 3 && data[0] == 0 && data[1] == 0 && data[2] == 1)
return 3;
if (data_sz > 4 && data[0] == 0 && data[1] == 0 && data[2] == 0 &&
data[3] == 1)
return 4;
return -1;
}

274
drivers/media/platform/mediatek/vcodec/vdec/vdec_h264_req_common.h Normal file
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@ -0,0 +1,274 @@
/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (c) 2022 MediaTek Inc.
* Author: Yunfei Dong <yunfei.dong@mediatek.com>
*/
#ifndef _VDEC_H264_REQ_COMMON_H_
#define _VDEC_H264_REQ_COMMON_H_
#include <linux/module.h>
#include <linux/slab.h>
#include <media/v4l2-h264.h>
#include <media/v4l2-mem2mem.h>
#include <media/videobuf2-dma-contig.h>
#include "../mtk_vcodec_drv.h"
#define NAL_NON_IDR_SLICE 0x01
#define NAL_IDR_SLICE 0x05
#define NAL_TYPE(value) ((value) & 0x1F)
#define BUF_PREDICTION_SZ (64 * 4096)
#define MB_UNIT_LEN 16
/* motion vector size (bytes) for every macro block */
#define HW_MB_STORE_SZ 64
#define H264_MAX_MV_NUM 32
/**
* struct mtk_h264_dpb_info - h264 dpb information
*
* @y_dma_addr: Y bitstream physical address
* @c_dma_addr: CbCr bitstream physical address
* @reference_flag: reference picture flag (short/long term reference picture)
* @field: field picture flag
*/
struct mtk_h264_dpb_info {
dma_addr_t y_dma_addr;
dma_addr_t c_dma_addr;
int reference_flag;
int field;
};
/*
* struct mtk_h264_sps_param - parameters for sps
*/
struct mtk_h264_sps_param {
unsigned char chroma_format_idc;
unsigned char bit_depth_luma_minus8;
unsigned char bit_depth_chroma_minus8;
unsigned char log2_max_frame_num_minus4;
unsigned char pic_order_cnt_type;
unsigned char log2_max_pic_order_cnt_lsb_minus4;
unsigned char max_num_ref_frames;
unsigned char separate_colour_plane_flag;
unsigned short pic_width_in_mbs_minus1;
unsigned short pic_height_in_map_units_minus1;
unsigned int max_frame_nums;
unsigned char qpprime_y_zero_transform_bypass_flag;
unsigned char delta_pic_order_always_zero_flag;
unsigned char frame_mbs_only_flag;
unsigned char mb_adaptive_frame_field_flag;
unsigned char direct_8x8_inference_flag;
unsigned char reserved[3];
};
/*
* struct mtk_h264_pps_param - parameters for pps
*/
struct mtk_h264_pps_param {
unsigned char num_ref_idx_l0_default_active_minus1;
unsigned char num_ref_idx_l1_default_active_minus1;
unsigned char weighted_bipred_idc;
char pic_init_qp_minus26;
char chroma_qp_index_offset;
char second_chroma_qp_index_offset;
unsigned char entropy_coding_mode_flag;
unsigned char pic_order_present_flag;
unsigned char deblocking_filter_control_present_flag;
unsigned char constrained_intra_pred_flag;
unsigned char weighted_pred_flag;
unsigned char redundant_pic_cnt_present_flag;
unsigned char transform_8x8_mode_flag;
unsigned char scaling_matrix_present_flag;
unsigned char reserved[2];
};
/*
* struct mtk_h264_slice_hd_param - parameters for slice header
*/
struct mtk_h264_slice_hd_param {
unsigned int first_mb_in_slice;
unsigned int field_pic_flag;
unsigned int slice_type;
unsigned int frame_num;
int pic_order_cnt_lsb;
int delta_pic_order_cnt_bottom;
unsigned int bottom_field_flag;
unsigned int direct_spatial_mv_pred_flag;
int delta_pic_order_cnt0;
int delta_pic_order_cnt1;
unsigned int cabac_init_idc;
int slice_qp_delta;
unsigned int disable_deblocking_filter_idc;
int slice_alpha_c0_offset_div2;
int slice_beta_offset_div2;
unsigned int num_ref_idx_l0_active_minus1;
unsigned int num_ref_idx_l1_active_minus1;
unsigned int reserved;
};
/*
* struct slice_api_h264_scaling_matrix - parameters for scaling list
*/
struct slice_api_h264_scaling_matrix {
unsigned char scaling_list_4x4[6][16];
unsigned char scaling_list_8x8[6][64];
};
/*
* struct slice_h264_dpb_entry - each dpb information
*/
struct slice_h264_dpb_entry {
unsigned long long reference_ts;
unsigned short frame_num;
unsigned short pic_num;
/* Note that field is indicated by v4l2_buffer.field */
int top_field_order_cnt;
int bottom_field_order_cnt;
unsigned int flags;
};
/*
* struct slice_api_h264_decode_param - parameters for decode.
*/
struct slice_api_h264_decode_param {
struct slice_h264_dpb_entry dpb[V4L2_H264_NUM_DPB_ENTRIES];
unsigned short num_slices;
unsigned short nal_ref_idc;
unsigned char ref_pic_list_p0[32];
unsigned char ref_pic_list_b0[32];
unsigned char ref_pic_list_b1[32];
int top_field_order_cnt;
int bottom_field_order_cnt;
unsigned int flags;
};
/**
* struct h264_fb - h264 decode frame buffer information
*
* @vdec_fb_va: virtual address of struct vdec_fb
* @y_fb_dma: dma address of Y frame buffer (luma)
* @c_fb_dma: dma address of C frame buffer (chroma)
* @poc: picture order count of frame buffer
* @reserved: for 8 bytes alignment
*/
struct h264_fb {
u64 vdec_fb_va;
u64 y_fb_dma;
u64 c_fb_dma;
s32 poc;
u32 reserved;
};
/**
* mtk_vdec_h264_fixup_ref_list - fixup unused reference to 0x20.
*
* @ref_list: reference picture list
* @num_valid: used reference number
*/
void mtk_vdec_h264_fixup_ref_list(u8 *ref_list, size_t num_valid);
/**
* mtk_vdec_h264_get_ctrl_ptr - get each CID contrl address.
*
* @ctx: v4l2 ctx
* @id: CID control ID
*
* Return: returns CID ctrl address.
*/
void *mtk_vdec_h264_get_ctrl_ptr(struct mtk_vcodec_ctx *ctx, int id);
/**
* mtk_vdec_h264_fill_dpb_info - get each CID contrl address.
*
* @ctx: v4l2 ctx
* @decode_params: slice decode params
* @h264_dpb_info: dpb buffer information
*/
void mtk_vdec_h264_fill_dpb_info(struct mtk_vcodec_ctx *ctx,
struct slice_api_h264_decode_param *decode_params,
struct mtk_h264_dpb_info *h264_dpb_info);
/**
* mtk_vdec_h264_copy_sps_params - get sps params.
*
* @dst_param: sps params for hw decoder
* @src_param: sps params from user driver
*/
void mtk_vdec_h264_copy_sps_params(struct mtk_h264_sps_param *dst_param,
const struct v4l2_ctrl_h264_sps *src_param);
/**
* mtk_vdec_h264_copy_pps_params - get pps params.
*
* @dst_param: pps params for hw decoder
* @src_param: pps params from user driver
*/
void mtk_vdec_h264_copy_pps_params(struct mtk_h264_pps_param *dst_param,
const struct v4l2_ctrl_h264_pps *src_param);
/**
* mtk_vdec_h264_copy_slice_hd_params - get slice header params.
*
* @dst_param: slice params for hw decoder
* @src_param: slice params from user driver
* @dec_param: decode params from user driver
*/
void mtk_vdec_h264_copy_slice_hd_params(struct mtk_h264_slice_hd_param *dst_param,
const struct v4l2_ctrl_h264_slice_params *src_param,
const struct v4l2_ctrl_h264_decode_params *dec_param);
/**
* mtk_vdec_h264_copy_scaling_matrix - get each CID contrl address.
*
* @dst_matrix: scaling list params for hw decoder
* @src_matrix: scaling list params from user driver
*/
void mtk_vdec_h264_copy_scaling_matrix(struct slice_api_h264_scaling_matrix *dst_matrix,
const struct v4l2_ctrl_h264_scaling_matrix *src_matrix);
/**
* mtk_vdec_h264_copy_decode_params - get decode params.
*
* @dst_params: dst params for hw decoder
* @src_params: decode params from user driver
* @dpb: dpb information
*/
void
mtk_vdec_h264_copy_decode_params(struct slice_api_h264_decode_param *dst_params,
const struct v4l2_ctrl_h264_decode_params *src_params,
const struct v4l2_h264_dpb_entry dpb[V4L2_H264_NUM_DPB_ENTRIES]);
/**
* mtk_vdec_h264_update_dpb - updata dpb list.
*
* @dec_param: v4l2 control decode params
* @dpb: dpb entry informaton
*/
void mtk_vdec_h264_update_dpb(const struct v4l2_ctrl_h264_decode_params *dec_param,
struct v4l2_h264_dpb_entry *dpb);
/**
* mtk_vdec_h264_find_start_code - find h264 start code using sofeware.
*
* @data: input buffer address
* @data_sz: input buffer size
*
* Return: returns start code position.
*/
int mtk_vdec_h264_find_start_code(unsigned char *data, unsigned int data_sz);
/**
* mtk_vdec_h264_get_mv_buf_size - get mv buffer size.
*
* @width: picture width
* @height: picture height
*
* Return: returns mv buffer size.
*/
unsigned int mtk_vdec_h264_get_mv_buf_size(unsigned int width, unsigned int height);
#endif

427
drivers/media/platform/mediatek/vcodec/vdec/vdec_h264_req_if.c
View File

@ -12,109 +12,7 @@
#include "../vdec_drv_base.h"
#include "../vdec_drv_if.h"
#include "../vdec_vpu_if.h"
#define BUF_PREDICTION_SZ (64 * 4096)
#define MB_UNIT_LEN 16
/* get used parameters for sps/pps */
#define GET_MTK_VDEC_FLAG(cond, flag) \
{ dst_param->cond = ((src_param->flags & (flag)) ? (1) : (0)); }
#define GET_MTK_VDEC_PARAM(param) \
{ dst_param->param = src_param->param; }
/* motion vector size (bytes) for every macro block */
#define HW_MB_STORE_SZ 64
#define H264_MAX_FB_NUM 17
#define H264_MAX_MV_NUM 32
#define HDR_PARSING_BUF_SZ 1024
/**
* struct mtk_h264_dpb_info - h264 dpb information
* @y_dma_addr: Y bitstream physical address
* @c_dma_addr: CbCr bitstream physical address
* @reference_flag: reference picture flag (short/long term reference picture)
* @field: field picture flag
*/
struct mtk_h264_dpb_info {
dma_addr_t y_dma_addr;
dma_addr_t c_dma_addr;
int reference_flag;
int field;
};
/*
* struct mtk_h264_sps_param - parameters for sps
*/
struct mtk_h264_sps_param {
unsigned char chroma_format_idc;
unsigned char bit_depth_luma_minus8;
unsigned char bit_depth_chroma_minus8;
unsigned char log2_max_frame_num_minus4;
unsigned char pic_order_cnt_type;
unsigned char log2_max_pic_order_cnt_lsb_minus4;
unsigned char max_num_ref_frames;
unsigned char separate_colour_plane_flag;
unsigned short pic_width_in_mbs_minus1;
unsigned short pic_height_in_map_units_minus1;
unsigned int max_frame_nums;
unsigned char qpprime_y_zero_transform_bypass_flag;
unsigned char delta_pic_order_always_zero_flag;
unsigned char frame_mbs_only_flag;
unsigned char mb_adaptive_frame_field_flag;
unsigned char direct_8x8_inference_flag;
unsigned char reserved[3];
};
/*
* struct mtk_h264_pps_param - parameters for pps
*/
struct mtk_h264_pps_param {
unsigned char num_ref_idx_l0_default_active_minus1;
unsigned char num_ref_idx_l1_default_active_minus1;
unsigned char weighted_bipred_idc;
char pic_init_qp_minus26;
char chroma_qp_index_offset;
char second_chroma_qp_index_offset;
unsigned char entropy_coding_mode_flag;
unsigned char pic_order_present_flag;
unsigned char deblocking_filter_control_present_flag;
unsigned char constrained_intra_pred_flag;
unsigned char weighted_pred_flag;
unsigned char redundant_pic_cnt_present_flag;
unsigned char transform_8x8_mode_flag;
unsigned char scaling_matrix_present_flag;
unsigned char reserved[2];
};
struct slice_api_h264_scaling_matrix {
unsigned char scaling_list_4x4[6][16];
unsigned char scaling_list_8x8[6][64];
};
struct slice_h264_dpb_entry {
unsigned long long reference_ts;
unsigned short frame_num;
unsigned short pic_num;
/* Note that field is indicated by v4l2_buffer.field */
int top_field_order_cnt;
int bottom_field_order_cnt;
unsigned int flags; /* V4L2_H264_DPB_ENTRY_FLAG_* */
};
/*
* struct slice_api_h264_decode_param - parameters for decode.
*/
struct slice_api_h264_decode_param {
struct slice_h264_dpb_entry dpb[16];
unsigned short num_slices;
unsigned short nal_ref_idc;
unsigned char ref_pic_list_p0[32];
unsigned char ref_pic_list_b0[32];
unsigned char ref_pic_list_b1[32];
int top_field_order_cnt;
int bottom_field_order_cnt;
unsigned int flags; /* V4L2_H264_DECODE_PARAM_FLAG_* */
};
#include "vdec_h264_req_common.h"
/*
* struct mtk_h264_dec_slice_param - parameters for decode current frame
@ -127,22 +25,6 @@ struct mtk_h264_dec_slice_param {
struct mtk_h264_dpb_info h264_dpb_info[16];
};
/**
* struct h264_fb - h264 decode frame buffer information
* @vdec_fb_va : virtual address of struct vdec_fb
* @y_fb_dma : dma address of Y frame buffer (luma)
* @c_fb_dma : dma address of C frame buffer (chroma)
* @poc : picture order count of frame buffer
* @reserved : for 8 bytes alignment
*/
struct h264_fb {
u64 vdec_fb_va;
u64 y_fb_dma;
u64 c_fb_dma;
s32 poc;
u32 reserved;
};
/**
* struct vdec_h264_dec_info - decode information
* @dpb_sz : decoding picture buffer size
@ -212,265 +94,45 @@ struct vdec_h264_slice_inst {
struct v4l2_h264_dpb_entry dpb[16];
};
static void *get_ctrl_ptr(struct mtk_vcodec_ctx *ctx, int id)
static int get_vdec_decode_parameters(struct vdec_h264_slice_inst *inst)
{
struct v4l2_ctrl *ctrl = v4l2_ctrl_find(&ctx->ctrl_hdl, id);
return ctrl->p_cur.p;
}
static void get_h264_dpb_list(struct vdec_h264_slice_inst *inst,
struct mtk_h264_dec_slice_param *slice_param)
{
struct vb2_queue *vq;
struct vb2_buffer *vb;
struct vb2_v4l2_buffer *vb2_v4l2;
u64 index;
vq = v4l2_m2m_get_vq(inst->ctx->m2m_ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
for (index = 0; index < ARRAY_SIZE(slice_param->decode_params.dpb); index++) {
const struct slice_h264_dpb_entry *dpb;
int vb2_index;
dpb = &slice_param->decode_params.dpb[index];
if (!(dpb->flags & V4L2_H264_DPB_ENTRY_FLAG_ACTIVE)) {
slice_param->h264_dpb_info[index].reference_flag = 0;
continue;
}
vb2_index = vb2_find_timestamp(vq, dpb->reference_ts, 0);
if (vb2_index < 0) {
mtk_vcodec_err(inst, "Reference invalid: dpb_index(%lld) reference_ts(%lld)",
index, dpb->reference_ts);
continue;
}
/* 1 for short term reference, 2 for long term reference */
if (!(dpb->flags & V4L2_H264_DPB_ENTRY_FLAG_LONG_TERM))
slice_param->h264_dpb_info[index].reference_flag = 1;
else
slice_param->h264_dpb_info[index].reference_flag = 2;
vb = vq->bufs[vb2_index];
vb2_v4l2 = container_of(vb, struct vb2_v4l2_buffer, vb2_buf);
slice_param->h264_dpb_info[index].field = vb2_v4l2->field;
slice_param->h264_dpb_info[index].y_dma_addr =
vb2_dma_contig_plane_dma_addr(vb, 0);
if (inst->ctx->q_data[MTK_Q_DATA_DST].fmt->num_planes == 2) {
slice_param->h264_dpb_info[index].c_dma_addr =
vb2_dma_contig_plane_dma_addr(vb, 1);
}
}
}
static void get_h264_sps_parameters(struct mtk_h264_sps_param *dst_param,
const struct v4l2_ctrl_h264_sps *src_param)
{
GET_MTK_VDEC_PARAM(chroma_format_idc);
GET_MTK_VDEC_PARAM(bit_depth_luma_minus8);
GET_MTK_VDEC_PARAM(bit_depth_chroma_minus8);
GET_MTK_VDEC_PARAM(log2_max_frame_num_minus4);
GET_MTK_VDEC_PARAM(pic_order_cnt_type);
GET_MTK_VDEC_PARAM(log2_max_pic_order_cnt_lsb_minus4);
GET_MTK_VDEC_PARAM(max_num_ref_frames);
GET_MTK_VDEC_PARAM(pic_width_in_mbs_minus1);
GET_MTK_VDEC_PARAM(pic_height_in_map_units_minus1);
GET_MTK_VDEC_FLAG(separate_colour_plane_flag,
V4L2_H264_SPS_FLAG_SEPARATE_COLOUR_PLANE);
GET_MTK_VDEC_FLAG(qpprime_y_zero_transform_bypass_flag,
V4L2_H264_SPS_FLAG_QPPRIME_Y_ZERO_TRANSFORM_BYPASS);
GET_MTK_VDEC_FLAG(delta_pic_order_always_zero_flag,
V4L2_H264_SPS_FLAG_DELTA_PIC_ORDER_ALWAYS_ZERO);
GET_MTK_VDEC_FLAG(frame_mbs_only_flag,
V4L2_H264_SPS_FLAG_FRAME_MBS_ONLY);
GET_MTK_VDEC_FLAG(mb_adaptive_frame_field_flag,
V4L2_H264_SPS_FLAG_MB_ADAPTIVE_FRAME_FIELD);
GET_MTK_VDEC_FLAG(direct_8x8_inference_flag,
V4L2_H264_SPS_FLAG_DIRECT_8X8_INFERENCE);
}
static void get_h264_pps_parameters(struct mtk_h264_pps_param *dst_param,
const struct v4l2_ctrl_h264_pps *src_param)
{
GET_MTK_VDEC_PARAM(num_ref_idx_l0_default_active_minus1);
GET_MTK_VDEC_PARAM(num_ref_idx_l1_default_active_minus1);
GET_MTK_VDEC_PARAM(weighted_bipred_idc);
GET_MTK_VDEC_PARAM(pic_init_qp_minus26);
GET_MTK_VDEC_PARAM(chroma_qp_index_offset);
GET_MTK_VDEC_PARAM(second_chroma_qp_index_offset);
GET_MTK_VDEC_FLAG(entropy_coding_mode_flag,
V4L2_H264_PPS_FLAG_ENTROPY_CODING_MODE);
GET_MTK_VDEC_FLAG(pic_order_present_flag,
V4L2_H264_PPS_FLAG_BOTTOM_FIELD_PIC_ORDER_IN_FRAME_PRESENT);
GET_MTK_VDEC_FLAG(weighted_pred_flag,
V4L2_H264_PPS_FLAG_WEIGHTED_PRED);
GET_MTK_VDEC_FLAG(deblocking_filter_control_present_flag,
V4L2_H264_PPS_FLAG_DEBLOCKING_FILTER_CONTROL_PRESENT);
GET_MTK_VDEC_FLAG(constrained_intra_pred_flag,
V4L2_H264_PPS_FLAG_CONSTRAINED_INTRA_PRED);
GET_MTK_VDEC_FLAG(redundant_pic_cnt_present_flag,
V4L2_H264_PPS_FLAG_REDUNDANT_PIC_CNT_PRESENT);
GET_MTK_VDEC_FLAG(transform_8x8_mode_flag,
V4L2_H264_PPS_FLAG_TRANSFORM_8X8_MODE);
GET_MTK_VDEC_FLAG(scaling_matrix_present_flag,
V4L2_H264_PPS_FLAG_SCALING_MATRIX_PRESENT);
}
static void
get_h264_scaling_matrix(struct slice_api_h264_scaling_matrix *dst_matrix,
const struct v4l2_ctrl_h264_scaling_matrix *src_matrix)
{
memcpy(dst_matrix->scaling_list_4x4, src_matrix->scaling_list_4x4,
sizeof(dst_matrix->scaling_list_4x4));
memcpy(dst_matrix->scaling_list_8x8, src_matrix->scaling_list_8x8,
sizeof(dst_matrix->scaling_list_8x8));
}
static void
get_h264_decode_parameters(struct slice_api_h264_decode_param *dst_params,
const struct v4l2_ctrl_h264_decode_params *src_params,
const struct v4l2_h264_dpb_entry dpb[V4L2_H264_NUM_DPB_ENTRIES])
{
int i;
for (i = 0; i < ARRAY_SIZE(dst_params->dpb); i++) {
struct slice_h264_dpb_entry *dst_entry = &dst_params->dpb[i];
const struct v4l2_h264_dpb_entry *src_entry = &dpb[i];
dst_entry->reference_ts = src_entry->reference_ts;
dst_entry->frame_num = src_entry->frame_num;
dst_entry->pic_num = src_entry->pic_num;
dst_entry->top_field_order_cnt = src_entry->top_field_order_cnt;
dst_entry->bottom_field_order_cnt =
src_entry->bottom_field_order_cnt;
dst_entry->flags = src_entry->flags;
}
/*
* num_slices is a leftover from the old H.264 support and is ignored
* by the firmware.
*/
dst_params->num_slices = 0;
dst_params->nal_ref_idc = src_params->nal_ref_idc;
dst_params->top_field_order_cnt = src_params->top_field_order_cnt;
dst_params->bottom_field_order_cnt = src_params->bottom_field_order_cnt;
dst_params->flags = src_params->flags;
}
static bool dpb_entry_match(const struct v4l2_h264_dpb_entry *a,
const struct v4l2_h264_dpb_entry *b)
{
return a->top_field_order_cnt == b->top_field_order_cnt &&
a->bottom_field_order_cnt == b->bottom_field_order_cnt;
}
/*
* Move DPB entries of dec_param that refer to a frame already existing in dpb
* into the already existing slot in dpb, and move other entries into new slots.
*
* This function is an adaptation of the similarly-named function in
* hantro_h264.c.
*/
static void update_dpb(const struct v4l2_ctrl_h264_decode_params *dec_param,
struct v4l2_h264_dpb_entry *dpb)
{
DECLARE_BITMAP(new, ARRAY_SIZE(dec_param->dpb)) = { 0, };
DECLARE_BITMAP(in_use, ARRAY_SIZE(dec_param->dpb)) = { 0, };
DECLARE_BITMAP(used, ARRAY_SIZE(dec_param->dpb)) = { 0, };
unsigned int i, j;
/* Disable all entries by default, and mark the ones in use. */
for (i = 0; i < ARRAY_SIZE(dec_param->dpb); i++) {
if (dpb[i].flags & V4L2_H264_DPB_ENTRY_FLAG_ACTIVE)
set_bit(i, in_use);
dpb[i].flags &= ~V4L2_H264_DPB_ENTRY_FLAG_ACTIVE;
}
/* Try to match new DPB entries with existing ones by their POCs. */
for (i = 0; i < ARRAY_SIZE(dec_param->dpb); i++) {
const struct v4l2_h264_dpb_entry *ndpb = &dec_param->dpb[i];
if (!(ndpb->flags & V4L2_H264_DPB_ENTRY_FLAG_ACTIVE))
continue;
/*
* To cut off some comparisons, iterate only on target DPB
* entries were already used.
*/
for_each_set_bit(j, in_use, ARRAY_SIZE(dec_param->dpb)) {
struct v4l2_h264_dpb_entry *cdpb;
cdpb = &dpb[j];
if (!dpb_entry_match(cdpb, ndpb))
continue;
*cdpb = *ndpb;
set_bit(j, used);
/* Don't reiterate on this one. */
clear_bit(j, in_use);
break;
}
if (j == ARRAY_SIZE(dec_param->dpb))
set_bit(i, new);
}
/* For entries that could not be matched, use remaining free slots. */
for_each_set_bit(i, new, ARRAY_SIZE(dec_param->dpb)) {
const struct v4l2_h264_dpb_entry *ndpb = &dec_param->dpb[i];
struct v4l2_h264_dpb_entry *cdpb;
/*
* Both arrays are of the same sizes, so there is no way
* we can end up with no space in target array, unless
* something is buggy.
*/
j = find_first_zero_bit(used, ARRAY_SIZE(dec_param->dpb));
if (WARN_ON(j >= ARRAY_SIZE(dec_param->dpb)))
return;
cdpb = &dpb[j];
*cdpb = *ndpb;
set_bit(j, used);
}
}
/*
* The firmware expects unused reflist entries to have the value 0x20.
*/
static void fixup_ref_list(u8 *ref_list, size_t num_valid)
{
memset(&ref_list[num_valid], 0x20, 32 - num_valid);
}
static void get_vdec_decode_parameters(struct vdec_h264_slice_inst *inst)
{
const struct v4l2_ctrl_h264_decode_params *dec_params =
get_ctrl_ptr(inst->ctx, V4L2_CID_STATELESS_H264_DECODE_PARAMS);
const struct v4l2_ctrl_h264_sps *sps =
get_ctrl_ptr(inst->ctx, V4L2_CID_STATELESS_H264_SPS);
const struct v4l2_ctrl_h264_pps *pps =
get_ctrl_ptr(inst->ctx, V4L2_CID_STATELESS_H264_PPS);
const struct v4l2_ctrl_h264_scaling_matrix *scaling_matrix =
get_ctrl_ptr(inst->ctx, V4L2_CID_STATELESS_H264_SCALING_MATRIX);
const struct v4l2_ctrl_h264_decode_params *dec_params;
const struct v4l2_ctrl_h264_sps *sps;
const struct v4l2_ctrl_h264_pps *pps;
const struct v4l2_ctrl_h264_scaling_matrix *scaling_matrix;
struct mtk_h264_dec_slice_param *slice_param = &inst->h264_slice_param;
struct v4l2_h264_reflist_builder reflist_builder;
u8 *p0_reflist = slice_param->decode_params.ref_pic_list_p0;
u8 *b0_reflist = slice_param->decode_params.ref_pic_list_b0;
u8 *b1_reflist = slice_param->decode_params.ref_pic_list_b1;
update_dpb(dec_params, inst->dpb);
dec_params =
mtk_vdec_h264_get_ctrl_ptr(inst->ctx, V4L2_CID_STATELESS_H264_DECODE_PARAMS);
if (IS_ERR(dec_params))
return PTR_ERR(dec_params);
get_h264_sps_parameters(&slice_param->sps, sps);
get_h264_pps_parameters(&slice_param->pps, pps);
get_h264_scaling_matrix(&slice_param->scaling_matrix, scaling_matrix);
get_h264_decode_parameters(&slice_param->decode_params, dec_params,
inst->dpb);
get_h264_dpb_list(inst, slice_param);
sps = mtk_vdec_h264_get_ctrl_ptr(inst->ctx, V4L2_CID_STATELESS_H264_SPS);
if (IS_ERR(sps))
return PTR_ERR(sps);
pps = mtk_vdec_h264_get_ctrl_ptr(inst->ctx, V4L2_CID_STATELESS_H264_PPS);
if (IS_ERR(pps))
return PTR_ERR(pps);
scaling_matrix =
mtk_vdec_h264_get_ctrl_ptr(inst->ctx, V4L2_CID_STATELESS_H264_SCALING_MATRIX);
if (IS_ERR(scaling_matrix))
return PTR_ERR(scaling_matrix);
mtk_vdec_h264_update_dpb(dec_params, inst->dpb);
mtk_vdec_h264_copy_sps_params(&slice_param->sps, sps);
mtk_vdec_h264_copy_pps_params(&slice_param->pps, pps);
mtk_vdec_h264_copy_scaling_matrix(&slice_param->scaling_matrix, scaling_matrix);
mtk_vdec_h264_copy_decode_params(&slice_param->decode_params,
dec_params, inst->dpb);
mtk_vdec_h264_fill_dpb_info(inst->ctx, &slice_param->decode_params,
slice_param->h264_dpb_info);
/* Build the reference lists */
v4l2_h264_init_reflist_builder(&reflist_builder, dec_params, sps,
@ -478,19 +140,14 @@ static void get_vdec_decode_parameters(struct vdec_h264_slice_inst *inst)
v4l2_h264_build_p_ref_list(&reflist_builder, p0_reflist);
v4l2_h264_build_b_ref_lists(&reflist_builder, b0_reflist, b1_reflist);
/* Adapt the built lists to the firmware's expectations */
fixup_ref_list(p0_reflist, reflist_builder.num_valid);
fixup_ref_list(b0_reflist, reflist_builder.num_valid);
fixup_ref_list(b1_reflist, reflist_builder.num_valid);
mtk_vdec_h264_fixup_ref_list(p0_reflist, reflist_builder.num_valid);
mtk_vdec_h264_fixup_ref_list(b0_reflist, reflist_builder.num_valid);
mtk_vdec_h264_fixup_ref_list(b1_reflist, reflist_builder.num_valid);
memcpy(&inst->vsi_ctx.h264_slice_params, slice_param,
sizeof(inst->vsi_ctx.h264_slice_params));
}
static unsigned int get_mv_buf_size(unsigned int width, unsigned int height)
{
int unit_size = (width / MB_UNIT_LEN) * (height / MB_UNIT_LEN) + 8;
return HW_MB_STORE_SZ * unit_size;
return 0;
}
static int allocate_predication_buf(struct vdec_h264_slice_inst *inst)
@ -525,7 +182,7 @@ static int alloc_mv_buf(struct vdec_h264_slice_inst *inst,
int i;
int err;
struct mtk_vcodec_mem *mem = NULL;
unsigned int buf_sz = get_mv_buf_size(pic->buf_w, pic->buf_h);
unsigned int buf_sz = mtk_vdec_h264_get_mv_buf_size(pic->buf_w, pic->buf_h);
mtk_v4l2_debug(3, "size = 0x%x", buf_sz);
for (i = 0; i < H264_MAX_MV_NUM; i++) {
@ -674,7 +331,7 @@ static int vdec_h264_slice_decode(void *h_vdec, struct mtk_vcodec_mem *bs,
{
struct vdec_h264_slice_inst *inst = h_vdec;
const struct v4l2_ctrl_h264_decode_params *dec_params =
get_ctrl_ptr(inst->ctx, V4L2_CID_STATELESS_H264_DECODE_PARAMS);
mtk_vdec_h264_get_ctrl_ptr(inst->ctx, V4L2_CID_STATELESS_H264_DECODE_PARAMS);
struct vdec_vpu_inst *vpu = &inst->vpu;
struct mtk_video_dec_buf *src_buf_info;
struct mtk_video_dec_buf *dst_buf_info;
@ -684,6 +341,7 @@ static int vdec_h264_slice_decode(void *h_vdec, struct mtk_vcodec_mem *bs,
u64 c_fb_dma;
int err;
inst->num_nalu++;
/* bs NULL means flush decoder */
if (!bs)
return vpu_dec_reset(vpu);
@ -696,7 +354,7 @@ static int vdec_h264_slice_decode(void *h_vdec, struct mtk_vcodec_mem *bs,
c_fb_dma = fb ? (u64)fb->base_c.dma_addr : 0;
mtk_vcodec_debug(inst, "+ [%d] FB y_dma=%llx c_dma=%llx va=%p",
++inst->num_nalu, y_fb_dma, c_fb_dma, fb);
inst->num_nalu, y_fb_dma, c_fb_dma, fb);
inst->vsi_ctx.dec.bs_dma = (uint64_t)bs->dma_addr;
inst->vsi_ctx.dec.y_fb_dma = y_fb_dma;
@ -705,7 +363,10 @@ static int vdec_h264_slice_decode(void *h_vdec, struct mtk_vcodec_mem *bs,
v4l2_m2m_buf_copy_metadata(&src_buf_info->m2m_buf.vb,
&dst_buf_info->m2m_buf.vb, true);
get_vdec_decode_parameters(inst);
err = get_vdec_decode_parameters(inst);
if (err)
goto err_free_fb_out;
data[0] = bs->size;
/*
* Reconstruct the first byte of the NAL unit, as the firmware requests