// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (c) 2022 MediaTek Inc.
* Author: Yunfei Dong <[email protected]>
*/
#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_dec.h"
#include "../../common/mtk_vcodec_intr.h"
#include "../vdec_drv_base.h"
#include "../vdec_drv_if.h"
#include "../vdec_vpu_if.h"
#include "vdec_h264_req_common.h"
/**
* enum vdec_h264_core_dec_err_type - core decode error type
*
* @TRANS_BUFFER_FULL: trans buffer is full
* @SLICE_HEADER_FULL: slice header buffer is full
*/
enum vdec_h264_core_dec_err_type {
TRANS_BUFFER_FULL = 1,
SLICE_HEADER_FULL,
};
/**
* struct vdec_h264_slice_lat_dec_param - parameters for decode current frame
*
* @sps: h264 sps syntax parameters
* @pps: h264 pps syntax parameters
* @slice_header: h264 slice header syntax parameters
* @scaling_matrix: h264 scaling list parameters
* @decode_params: decoder parameters of each frame used for hardware decode
* @h264_dpb_info: dpb reference list
*/
struct vdec_h264_slice_lat_dec_param {
struct mtk_h264_sps_param sps;
struct mtk_h264_pps_param pps;
struct mtk_h264_slice_hd_param slice_header;
struct slice_api_h264_scaling_matrix scaling_matrix;
struct slice_api_h264_decode_param decode_params;
struct mtk_h264_dpb_info h264_dpb_info[V4L2_H264_NUM_DPB_ENTRIES];
};
/**
* struct vdec_h264_slice_info - decode information
*
* @nal_info: nal info of current picture
* @timeout: Decode timeout: 1 timeout, 0 no timeout
* @bs_buf_size: bitstream size
* @bs_buf_addr: bitstream buffer dma address
* @y_fb_dma: Y frame buffer dma address
* @c_fb_dma: C frame buffer dma address
* @vdec_fb_va: VDEC frame buffer struct virtual address
* @crc: Used to check whether hardware's status is right
*/
struct vdec_h264_slice_info {
u16 nal_info;
u16 timeout;
u32 bs_buf_size;
u64 bs_buf_addr;
u64 y_fb_dma;
u64 c_fb_dma;
u64 vdec_fb_va;
u32 crc[8];
};
/**
* struct vdec_h264_slice_vsi - shared memory for decode information exchange
* between SCP and Host.
*
* @wdma_err_addr: wdma error dma address
* @wdma_start_addr: wdma start dma address
* @wdma_end_addr: wdma end dma address
* @slice_bc_start_addr: slice bc start dma address
* @slice_bc_end_addr: slice bc end dma address
* @row_info_start_addr: row info start dma address
* @row_info_end_addr: row info end dma address
* @trans_start: trans start dma address
* @trans_end: trans end dma address
* @wdma_end_addr_offset: wdma end address offset
*
* @mv_buf_dma: HW working motion vector buffer
* dma address (AP-W, VPU-R)
* @dec: decode information (AP-R, VPU-W)
* @h264_slice_params: decode parameters for hw used
*/
struct vdec_h264_slice_vsi {
/* LAT dec addr */
u64 wdma_err_addr;
u64 wdma_start_addr;
u64 wdma_end_addr;
u64 slice_bc_start_addr;
u64 slice_bc_end_addr;
u64 row_info_start_addr;
u64 row_info_end_addr;
u64 trans_start;
u64 trans_end;
u64 wdma_end_addr_offset;
u64 mv_buf_dma[H264_MAX_MV_NUM];
struct vdec_h264_slice_info dec;
struct vdec_h264_slice_lat_dec_param h264_slice_params;
};
/**
* struct vdec_h264_slice_share_info - shared information used to exchange
* message between lat and core
*
* @sps: sequence header information from user space
* @dec_params: decoder params from user space
* @h264_slice_params: decoder params used for hardware
* @trans_start: trans start dma address
* @trans_end: trans end dma address
* @nal_info: nal info of current picture
*/
struct vdec_h264_slice_share_info {
struct v4l2_ctrl_h264_sps sps;
struct v4l2_ctrl_h264_decode_params dec_params;
struct vdec_h264_slice_lat_dec_param h264_slice_params;
u64 trans_start;
u64 trans_end;
u16 nal_info;
};
/**
* struct vdec_h264_slice_inst - h264 decoder instance
*
* @slice_dec_num: Number of frames to be decoded
* @ctx: point to mtk_vcodec_dec_ctx
* @pred_buf: HW working prediction buffer
* @mv_buf: HW working motion vector buffer
* @vpu: VPU instance
* @vsi: vsi used for lat
* @vsi_core: vsi used for core
*
* @vsi_ctx: Local VSI data for this decoding context
* @h264_slice_param: the parameters that hardware use to decode
*
* @resolution_changed:resolution changed
* @realloc_mv_buf: reallocate mv buffer
* @cap_num_planes: number of capture queue plane
*
* @dpb: decoded picture buffer used to store reference
* buffer information
*@is_field_bitstream: is field bitstream
*/
struct vdec_h264_slice_inst {
unsigned int slice_dec_num;
struct mtk_vcodec_dec_ctx *ctx;
struct mtk_vcodec_mem pred_buf;
struct mtk_vcodec_mem mv_buf[H264_MAX_MV_NUM];
struct vdec_vpu_inst vpu;
struct vdec_h264_slice_vsi *vsi;
struct vdec_h264_slice_vsi *vsi_core;
struct vdec_h264_slice_vsi vsi_ctx;
struct vdec_h264_slice_lat_dec_param h264_slice_param;
unsigned int resolution_changed;
unsigned int realloc_mv_buf;
unsigned int cap_num_planes;
struct v4l2_h264_dpb_entry dpb[16];
bool is_field_bitstream;
};
static int vdec_h264_slice_fill_decode_parameters(struct vdec_h264_slice_inst *inst,
struct vdec_h264_slice_share_info *share_info)
{
struct vdec_h264_slice_lat_dec_param *slice_param = &inst->vsi->h264_slice_params;
const struct v4l2_ctrl_h264_decode_params *dec_params;
const struct v4l2_ctrl_h264_scaling_matrix *src_matrix;
const struct v4l2_ctrl_h264_sps *sps;
const struct v4l2_ctrl_h264_pps *pps;
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);
src_matrix =
mtk_vdec_h264_get_ctrl_ptr(inst->ctx, V4L2_CID_STATELESS_H264_SCALING_MATRIX);
if (IS_ERR(src_matrix))
return PTR_ERR(src_matrix);
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);
if (dec_params->flags & V4L2_H264_DECODE_PARAM_FLAG_FIELD_PIC) {
mtk_vdec_err(inst->ctx, "No support for H.264 field decoding.");
inst->is_field_bitstream = true;
return -EINVAL;
}
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, src_matrix);
memcpy(&share_info->sps, sps, sizeof(*sps));
memcpy(&share_info->dec_params, dec_params, sizeof(*dec_params));
return 0;
}
static int get_vdec_sig_decode_parameters(struct vdec_h264_slice_inst *inst)
{
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 vdec_h264_slice_lat_dec_param *slice_param = &inst->h264_slice_param;
struct v4l2_h264_reflist_builder reflist_builder;
struct v4l2_h264_reference v4l2_p0_reflist[V4L2_H264_REF_LIST_LEN];
struct v4l2_h264_reference v4l2_b0_reflist[V4L2_H264_REF_LIST_LEN];
struct v4l2_h264_reference v4l2_b1_reflist[V4L2_H264_REF_LIST_LEN];
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;
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);
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, inst->dpb);
v4l2_h264_build_p_ref_list(&reflist_builder, v4l2_p0_reflist);
v4l2_h264_build_b_ref_lists(&reflist_builder, v4l2_b0_reflist, v4l2_b1_reflist);
/* Adapt the built lists to the firmware's expectations */
mtk_vdec_h264_get_ref_list(p0_reflist, v4l2_p0_reflist, reflist_builder.num_valid);
mtk_vdec_h264_get_ref_list(b0_reflist, v4l2_b0_reflist, reflist_builder.num_valid);
mtk_vdec_h264_get_ref_list(b1_reflist, v4l2_b1_reflist, reflist_builder.num_valid);
memcpy(&inst->vsi_ctx.h264_slice_params, slice_param,
sizeof(inst->vsi_ctx.h264_slice_params));
return 0;
}
static void vdec_h264_slice_fill_decode_reflist(struct vdec_h264_slice_inst *inst,
struct vdec_h264_slice_lat_dec_param *slice_param,
struct vdec_h264_slice_share_info *share_info)
{
struct v4l2_ctrl_h264_decode_params *dec_params = &share_info->dec_params;
struct v4l2_ctrl_h264_sps *sps = &share_info->sps;
struct v4l2_h264_reflist_builder reflist_builder;
struct v4l2_h264_reference v4l2_p0_reflist[V4L2_H264_REF_LIST_LEN];
struct v4l2_h264_reference v4l2_b0_reflist[V4L2_H264_REF_LIST_LEN];
struct v4l2_h264_reference v4l2_b1_reflist[V4L2_H264_REF_LIST_LEN];
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;
mtk_vdec_h264_update_dpb(dec_params, inst->dpb);
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);
mtk_v4l2_vdec_dbg(3, inst->ctx, "cur poc = %d\n", dec_params->bottom_field_order_cnt);
/* Build the reference lists */
v4l2_h264_init_reflist_builder(&reflist_builder, dec_params, sps,
inst->dpb);
v4l2_h264_build_p_ref_list(&reflist_builder, v4l2_p0_reflist);
v4l2_h264_build_b_ref_lists(&reflist_builder, v4l2_b0_reflist, v4l2_b1_reflist);
/* Adapt the built lists to the firmware's expectations */
mtk_vdec_h264_get_ref_list(p0_reflist, v4l2_p0_reflist, reflist_builder.num_valid);
mtk_vdec_h264_get_ref_list(b0_reflist, v4l2_b0_reflist, reflist_builder.num_valid);
mtk_vdec_h264_get_ref_list(b1_reflist, v4l2_b1_reflist, reflist_builder.num_valid);
}
static int vdec_h264_slice_alloc_mv_buf(struct vdec_h264_slice_inst *inst,
struct vdec_pic_info *pic)
{
unsigned int buf_sz = mtk_vdec_h264_get_mv_buf_size(pic->buf_w, pic->buf_h);
struct mtk_vcodec_mem *mem;
int i, err;
mtk_v4l2_vdec_dbg(3, inst->ctx, "size = 0x%x", buf_sz);
for (i = 0; i < H264_MAX_MV_NUM; i++) {
mem = &inst->mv_buf[i];
if (mem->va)
mtk_vcodec_mem_free(inst->ctx, mem);
mem->size = buf_sz;
err = mtk_vcodec_mem_alloc(inst->ctx, mem);
if (err) {
mtk_vdec_err(inst->ctx, "failed to allocate mv buf");
return err;
}
}
return 0;
}
static void vdec_h264_slice_free_mv_buf(struct vdec_h264_slice_inst *inst)
{
int i;
struct mtk_vcodec_mem *mem;
for (i = 0; i < H264_MAX_MV_NUM; i++) {
mem = &inst->mv_buf[i];
if (mem->va)
mtk_vcodec_mem_free(inst->ctx, mem);
}
}
static void vdec_h264_slice_get_pic_info(struct vdec_h264_slice_inst *inst)
{
struct mtk_vcodec_dec_ctx *ctx = inst->ctx;
u32 data[3];
data[0] = ctx->picinfo.pic_w;
data[1] = ctx->picinfo.pic_h;
data[2] = ctx->capture_fourcc;
vpu_dec_get_param(&inst->vpu, data, 3, GET_PARAM_PIC_INFO);
ctx->picinfo.buf_w = ALIGN(ctx->picinfo.pic_w, VCODEC_DEC_ALIGNED_64);
ctx->picinfo.buf_h = ALIGN(ctx->picinfo.pic_h, VCODEC_DEC_ALIGNED_64);
ctx->picinfo.fb_sz[0] = inst->vpu.fb_sz[0];
ctx->picinfo.fb_sz[1] = inst->vpu.fb_sz[1];
inst->cap_num_planes =
ctx->q_data[MTK_Q_DATA_DST].fmt->num_planes;
mtk_vdec_debug(ctx, "pic(%d, %d), buf(%d, %d)",
ctx->picinfo.pic_w, ctx->picinfo.pic_h,
ctx->picinfo.buf_w, ctx->picinfo.buf_h);
mtk_vdec_debug(ctx, "Y/C(%d, %d)", ctx->picinfo.fb_sz[0],
ctx->picinfo.fb_sz[1]);
if (ctx->last_decoded_picinfo.pic_w != ctx->picinfo.pic_w ||
ctx->last_decoded_picinfo.pic_h != ctx->picinfo.pic_h) {
inst->resolution_changed = true;
if (ctx->last_decoded_picinfo.buf_w != ctx->picinfo.buf_w ||
ctx->last_decoded_picinfo.buf_h != ctx->picinfo.buf_h)
inst->realloc_mv_buf = true;
mtk_v4l2_vdec_dbg(1, inst->ctx, "resChg: (%d %d) : old(%d, %d) -> new(%d, %d)",
inst->resolution_changed,
inst->realloc_mv_buf,
ctx->last_decoded_picinfo.pic_w,
ctx->last_decoded_picinfo.pic_h,
ctx->picinfo.pic_w, ctx->picinfo.pic_h);
}
}
static void vdec_h264_slice_get_crop_info(struct vdec_h264_slice_inst *inst,
struct v4l2_rect *cr)
{
cr->left = 0;
cr->top = 0;
cr->width = inst->ctx->picinfo.pic_w;
cr->height = inst->ctx->picinfo.pic_h;
mtk_vdec_debug(inst->ctx, "l=%d, t=%d, w=%d, h=%d",
cr->left, cr->top, cr->width, cr->height);
}
static int vdec_h264_slice_init(struct mtk_vcodec_dec_ctx *ctx)
{
struct vdec_h264_slice_inst *inst;
int err, vsi_size;
inst = kzalloc(sizeof(*inst), GFP_KERNEL);
if (!inst)
return -ENOMEM;
inst->ctx = ctx;
inst->vpu.id = SCP_IPI_VDEC_LAT;
inst->vpu.core_id = SCP_IPI_VDEC_CORE;
inst->vpu.ctx = ctx;
inst->vpu.codec_type = ctx->current_codec;
inst->vpu.capture_type = ctx->capture_fourcc;
err = vpu_dec_init(&inst->vpu);
if (err) {
mtk_vdec_err(ctx, "vdec_h264 init err=%d", err);
goto error_free_inst;
}
vsi_size = round_up(sizeof(struct vdec_h264_slice_vsi), VCODEC_DEC_ALIGNED_64);
inst->vsi = inst->vpu.vsi;
inst->vsi_core =
(struct vdec_h264_slice_vsi *)(((char *)inst->vpu.vsi) + vsi_size);
inst->resolution_changed = true;
inst->realloc_mv_buf = true;
mtk_vdec_debug(ctx, "lat struct size = %d,%d,%d,%d vsi: %d\n",
(int)sizeof(struct mtk_h264_sps_param),
(int)sizeof(struct mtk_h264_pps_param),
(int)sizeof(struct vdec_h264_slice_lat_dec_param),
(int)sizeof(struct mtk_h264_dpb_info),
vsi_size);
mtk_vdec_debug(ctx, "lat H264 instance >> %p, codec_type = 0x%x",
inst, inst->vpu.codec_type);
ctx->drv_handle = inst;
return 0;
error_free_inst:
kfree(inst);
return err;
}
static void vdec_h264_slice_deinit(void *h_vdec)
{
struct vdec_h264_slice_inst *inst = h_vdec;
vpu_dec_deinit(&inst->vpu);
vdec_h264_slice_free_mv_buf(inst);
vdec_msg_queue_deinit(&inst->ctx->msg_queue, inst->ctx);
kfree(inst);
}
static int vdec_h264_slice_core_decode(struct vdec_lat_buf *lat_buf)
{
struct vdec_fb *fb;
u64 vdec_fb_va;
u64 y_fb_dma, c_fb_dma;
int err, timeout, i;
struct mtk_vcodec_dec_ctx *ctx = lat_buf->ctx;
struct vdec_h264_slice_inst *inst = ctx->drv_handle;
struct vb2_v4l2_buffer *vb2_v4l2;
struct vdec_h264_slice_share_info *share_info = lat_buf->private_data;
struct mtk_vcodec_mem *mem;
struct vdec_vpu_inst *vpu = &inst->vpu;
mtk_vdec_debug(ctx, "[h264-core] vdec_h264 core decode");
memcpy(&inst->vsi_core->h264_slice_params, &share_info->h264_slice_params,
sizeof(share_info->h264_slice_params));
fb = ctx->dev->vdec_pdata->get_cap_buffer(ctx);
if (!fb) {
err = -EBUSY;
mtk_vdec_err(ctx, "fb buffer is NULL");
goto vdec_dec_end;
}
vdec_fb_va = (unsigned long)fb;
y_fb_dma = (u64)fb->base_y.dma_addr;
if (ctx->q_data[MTK_Q_DATA_DST].fmt->num_planes == 1)
c_fb_dma =
y_fb_dma + inst->ctx->picinfo.buf_w * inst->ctx->picinfo.buf_h;
else
c_fb_dma = (u64)fb->base_c.dma_addr;
mtk_vdec_debug(ctx, "[h264-core] y/c addr = 0x%llx 0x%llx", y_fb_dma, c_fb_dma);
inst->vsi_core->dec.y_fb_dma = y_fb_dma;
inst->vsi_core->dec.c_fb_dma = c_fb_dma;
inst->vsi_core->dec.vdec_fb_va = vdec_fb_va;
inst->vsi_core->dec.nal_info = share_info->nal_info;
inst->vsi_core->wdma_start_addr =
lat_buf->ctx->msg_queue.wdma_addr.dma_addr;
inst->vsi_core->wdma_end_addr =
lat_buf->ctx->msg_queue.wdma_addr.dma_addr +
lat_buf->ctx->msg_queue.wdma_addr.size;
inst->vsi_core->wdma_err_addr = lat_buf->wdma_err_addr.dma_addr;
inst->vsi_core->slice_bc_start_addr = lat_buf->slice_bc_addr.dma_addr;
inst->vsi_core->slice_bc_end_addr = lat_buf->slice_bc_addr.dma_addr +
lat_buf->slice_bc_addr.size;
inst->vsi_core->trans_start = share_info->trans_start;
inst->vsi_core->trans_end = share_info->trans_end;
for (i = 0; i < H264_MAX_MV_NUM; i++) {
mem = &inst->mv_buf[i];
inst->vsi_core->mv_buf_dma[i] = mem->dma_addr;
}
vb2_v4l2 = v4l2_m2m_next_dst_buf(ctx->m2m_ctx);
v4l2_m2m_buf_copy_metadata(&lat_buf->ts_info, vb2_v4l2, true);
vdec_h264_slice_fill_decode_reflist(inst, &inst->vsi_core->h264_slice_params,
share_info);
err = vpu_dec_core(vpu);
if (err) {
mtk_vdec_err(ctx, "core decode err=%d", err);
goto vdec_dec_end;
}
/* wait decoder done interrupt */
timeout = mtk_vcodec_wait_for_done_ctx(inst->ctx, MTK_INST_IRQ_RECEIVED,
WAIT_INTR_TIMEOUT_MS, MTK_VDEC_CORE);
if (timeout)
mtk_vdec_err(ctx, "core decode timeout: pic_%d", ctx->decoded_frame_cnt);
inst->vsi_core->dec.timeout = !!timeout;
vpu_dec_core_end(vpu);
mtk_vdec_debug(ctx, "pic[%d] crc: 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x",
ctx->decoded_frame_cnt,
inst->vsi_core->dec.crc[0], inst->vsi_core->dec.crc[1],
inst->vsi_core->dec.crc[2], inst->vsi_core->dec.crc[3],
inst->vsi_core->dec.crc[4], inst->vsi_core->dec.crc[5],
inst->vsi_core->dec.crc[6], inst->vsi_core->dec.crc[7]);
vdec_dec_end:
vdec_msg_queue_update_ube_rptr(&lat_buf->ctx->msg_queue, share_info->trans_end);
ctx->dev->vdec_pdata->cap_to_disp(ctx, !!err, lat_buf->src_buf_req);
mtk_vdec_debug(ctx, "core decode done err=%d", err);
ctx->decoded_frame_cnt++;
return 0;
}
static void vdec_h264_insert_startcode(struct mtk_vcodec_dec_dev *vcodec_dev, unsigned char *buf,
size_t *bs_size, struct mtk_h264_pps_param *pps)
{
struct device *dev = &vcodec_dev->plat_dev->dev;
/* Need to add pending data at the end of bitstream when bs_sz is small than
* 20 bytes for cavlc bitstream, or lat will decode fail. This pending data is
* useful for mt8192 and mt8195 platform.
*
* cavlc bitstream when entropy_coding_mode_flag is false.
*/
if (pps->entropy_coding_mode_flag || *bs_size > 20 ||
!(of_device_is_compatible(dev->of_node, "mediatek,mt8192-vcodec-dec") ||
of_device_is_compatible(dev->of_node, "mediatek,mt8195-vcodec-dec")))
return;
buf[*bs_size] = 0;
buf[*bs_size + 1] = 0;
buf[*bs_size + 2] = 1;
buf[*bs_size + 3] = 0xff;
(*bs_size) += 4;
}
static int vdec_h264_slice_lat_decode(void *h_vdec, struct mtk_vcodec_mem *bs,
struct vdec_fb *fb, bool *res_chg)
{
struct vdec_h264_slice_inst *inst = h_vdec;
struct vdec_vpu_inst *vpu = &inst->vpu;
struct mtk_video_dec_buf *src_buf_info;
int nal_start_idx, err, timeout = 0, i;
unsigned int data[2];
struct vdec_lat_buf *lat_buf;
struct vdec_h264_slice_share_info *share_info;
unsigned char *buf;
struct mtk_vcodec_mem *mem;
if (vdec_msg_queue_init(&inst->ctx->msg_queue, inst->ctx,
vdec_h264_slice_core_decode,
sizeof(*share_info)))
return -ENOMEM;
/* bs NULL means flush decoder */
if (!bs) {
vdec_msg_queue_wait_lat_buf_full(&inst->ctx->msg_queue);
return vpu_dec_reset(vpu);
}
if (inst->is_field_bitstream)
return -EINVAL;
lat_buf = vdec_msg_queue_dqbuf(&inst->ctx->msg_queue.lat_ctx);
if (!lat_buf) {
mtk_vdec_debug(inst->ctx, "failed to get lat buffer");
return -EAGAIN;
}
share_info = lat_buf->private_data;
src_buf_info = container_of(bs, struct mtk_video_dec_buf, bs_buffer);
buf = (unsigned char *)bs->va;
nal_start_idx = mtk_vdec_h264_find_start_code(buf, bs->size);
if (nal_start_idx < 0) {
err = -EINVAL;
goto err_free_fb_out;
}
inst->vsi->dec.nal_info = buf[nal_start_idx];
lat_buf->src_buf_req = src_buf_info->m2m_buf.vb.vb2_buf.req_obj.req;
v4l2_m2m_buf_copy_metadata(&src_buf_info->m2m_buf.vb, &lat_buf->ts_info, true);
err = vdec_h264_slice_fill_decode_parameters(inst, share_info);
if (err)
goto err_free_fb_out;
vdec_h264_insert_startcode(inst->ctx->dev, buf, &bs->size,
&share_info->h264_slice_params.pps);
inst->vsi->dec.bs_buf_addr = (uint64_t)bs->dma_addr;
inst->vsi->dec.bs_buf_size = bs->size;
*res_chg = inst->resolution_changed;
if (inst->resolution_changed) {
mtk_vdec_debug(inst->ctx, "- resolution changed -");
if (inst->realloc_mv_buf) {
err = vdec_h264_slice_alloc_mv_buf(inst, &inst->ctx->picinfo);
inst->realloc_mv_buf = false;
if (err)
goto err_free_fb_out;
}
inst->resolution_changed = false;
}
for (i = 0; i < H264_MAX_MV_NUM; i++) {
mem = &inst->mv_buf[i];
inst->vsi->mv_buf_dma[i] = mem->dma_addr;
}
inst->vsi->wdma_start_addr = lat_buf->ctx->msg_queue.wdma_addr.dma_addr;
inst->vsi->wdma_end_addr = lat_buf->ctx->msg_queue.wdma_addr.dma_addr +
lat_buf->ctx->msg_queue.wdma_addr.size;
inst->vsi->wdma_err_addr = lat_buf->wdma_err_addr.dma_addr;
inst->vsi->slice_bc_start_addr = lat_buf->slice_bc_addr.dma_addr;
inst->vsi->slice_bc_end_addr = lat_buf->slice_bc_addr.dma_addr +
lat_buf->slice_bc_addr.size;
inst->vsi->trans_end = inst->ctx->msg_queue.wdma_rptr_addr;
inst->vsi->trans_start = inst->ctx->msg_queue.wdma_wptr_addr;
mtk_vdec_debug(inst->ctx, "lat:trans(0x%llx 0x%llx) err:0x%llx",
inst->vsi->wdma_start_addr,
inst->vsi->wdma_end_addr,
inst->vsi->wdma_err_addr);
mtk_vdec_debug(inst->ctx, "slice(0x%llx 0x%llx) rprt((0x%llx 0x%llx))",
inst->vsi->slice_bc_start_addr,
inst->vsi->slice_bc_end_addr,
inst->vsi->trans_start,
inst->vsi->trans_end);
err = vpu_dec_start(vpu, data, 2);
if (err) {
mtk_vdec_debug(inst->ctx, "lat decode err: %d", err);
goto err_free_fb_out;
}
share_info->trans_end = inst->ctx->msg_queue.wdma_addr.dma_addr +
inst->vsi->wdma_end_addr_offset;
share_info->trans_start = inst->ctx->msg_queue.wdma_wptr_addr;
share_info->nal_info = inst->vsi->dec.nal_info;
if (IS_VDEC_INNER_RACING(inst->ctx->dev->dec_capability)) {
memcpy(&share_info->h264_slice_params, &inst->vsi->h264_slice_params,
sizeof(share_info->h264_slice_params));
vdec_msg_queue_qbuf(&inst->ctx->msg_queue.core_ctx, lat_buf);
}
/* wait decoder done interrupt */
timeout = mtk_vcodec_wait_for_done_ctx(inst->ctx, MTK_INST_IRQ_RECEIVED,
WAIT_INTR_TIMEOUT_MS, MTK_VDEC_LAT0);
if (timeout)
mtk_vdec_err(inst->ctx, "lat decode timeout: pic_%d", inst->slice_dec_num);
inst->vsi->dec.timeout = !!timeout;
err = vpu_dec_end(vpu);
if (err == SLICE_HEADER_FULL || err == TRANS_BUFFER_FULL) {
if (!IS_VDEC_INNER_RACING(inst->ctx->dev->dec_capability))
vdec_msg_queue_qbuf(&inst->ctx->msg_queue.lat_ctx, lat_buf);
inst->slice_dec_num++;
mtk_vdec_err(inst->ctx, "lat dec fail: pic_%d err:%d", inst->slice_dec_num, err);
return -EINVAL;
}
share_info->trans_end = inst->ctx->msg_queue.wdma_addr.dma_addr +
inst->vsi->wdma_end_addr_offset;
vdec_msg_queue_update_ube_wptr(&lat_buf->ctx->msg_queue, share_info->trans_end);
if (!IS_VDEC_INNER_RACING(inst->ctx->dev->dec_capability)) {
memcpy(&share_info->h264_slice_params, &inst->vsi->h264_slice_params,
sizeof(share_info->h264_slice_params));
vdec_msg_queue_qbuf(&inst->ctx->msg_queue.core_ctx, lat_buf);
}
mtk_vdec_debug(inst->ctx, "dec num: %d lat crc: 0x%x 0x%x 0x%x", inst->slice_dec_num,
inst->vsi->dec.crc[0], inst->vsi->dec.crc[1], inst->vsi->dec.crc[2]);
inst->slice_dec_num++;
return 0;
err_free_fb_out:
vdec_msg_queue_qbuf(&inst->ctx->msg_queue.lat_ctx, lat_buf);
mtk_vdec_err(inst->ctx, "slice dec number: %d err: %d", inst->slice_dec_num, err);
return err;
}
static int vdec_h264_slice_single_decode(void *h_vdec, struct mtk_vcodec_mem *bs,
struct vdec_fb *unused, bool *res_chg)
{
struct vdec_h264_slice_inst *inst = h_vdec;
struct vdec_vpu_inst *vpu = &inst->vpu;
struct mtk_video_dec_buf *src_buf_info, *dst_buf_info;
struct vdec_fb *fb;
unsigned char *buf;
unsigned int data[2], i;
u64 y_fb_dma, c_fb_dma;
struct mtk_vcodec_mem *mem;
int err, nal_start_idx;
/* bs NULL means flush decoder */
if (!bs)
return vpu_dec_reset(vpu);
fb = inst->ctx->dev->vdec_pdata->get_cap_buffer(inst->ctx);
if (!fb) {
mtk_vdec_err(inst->ctx, "fb buffer is NULL");
return -ENOMEM;
}
src_buf_info = container_of(bs, struct mtk_video_dec_buf, bs_buffer);
dst_buf_info = container_of(fb, struct mtk_video_dec_buf, frame_buffer);
y_fb_dma = fb->base_y.dma_addr;
c_fb_dma = fb->base_c.dma_addr;
mtk_vdec_debug(inst->ctx, "[h264-dec] [%d] y_dma=%llx c_dma=%llx",
inst->ctx->decoded_frame_cnt, y_fb_dma, c_fb_dma);
inst->vsi_ctx.dec.bs_buf_addr = (u64)bs->dma_addr;
inst->vsi_ctx.dec.bs_buf_size = bs->size;
inst->vsi_ctx.dec.y_fb_dma = y_fb_dma;
inst->vsi_ctx.dec.c_fb_dma = c_fb_dma;
inst->vsi_ctx.dec.vdec_fb_va = (u64)(uintptr_t)fb;
v4l2_m2m_buf_copy_metadata(&src_buf_info->m2m_buf.vb,
&dst_buf_info->m2m_buf.vb, true);
err = get_vdec_sig_decode_parameters(inst);
if (err)
goto err_free_fb_out;
buf = (unsigned char *)bs->va;
nal_start_idx = mtk_vdec_h264_find_start_code(buf, bs->size);
if (nal_start_idx < 0) {
err = -EINVAL;
goto err_free_fb_out;
}
inst->vsi_ctx.dec.nal_info = buf[nal_start_idx];
*res_chg = inst->resolution_changed;
if (inst->resolution_changed) {
mtk_vdec_debug(inst->ctx, "- resolution changed -");
if (inst->realloc_mv_buf) {
err = vdec_h264_slice_alloc_mv_buf(inst, &inst->ctx->picinfo);
inst->realloc_mv_buf = false;
if (err)
goto err_free_fb_out;
}
inst->resolution_changed = false;
for (i = 0; i < H264_MAX_MV_NUM; i++) {
mem = &inst->mv_buf[i];
inst->vsi_ctx.mv_buf_dma[i] = mem->dma_addr;
}
}
memcpy(inst->vpu.vsi, &inst->vsi_ctx, sizeof(inst->vsi_ctx));
err = vpu_dec_start(vpu, data, 2);
if (err)
goto err_free_fb_out;
/* wait decoder done interrupt */
err = mtk_vcodec_wait_for_done_ctx(inst->ctx, MTK_INST_IRQ_RECEIVED,
WAIT_INTR_TIMEOUT_MS, MTK_VDEC_CORE);
if (err)
mtk_vdec_err(inst->ctx, "decode timeout: pic_%d", inst->ctx->decoded_frame_cnt);
inst->vsi->dec.timeout = !!err;
err = vpu_dec_end(vpu);
if (err)
goto err_free_fb_out;
memcpy(&inst->vsi_ctx, inst->vpu.vsi, sizeof(inst->vsi_ctx));
mtk_vdec_debug(inst->ctx, "pic[%d] crc: 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x",
inst->ctx->decoded_frame_cnt,
inst->vsi_ctx.dec.crc[0], inst->vsi_ctx.dec.crc[1],
inst->vsi_ctx.dec.crc[2], inst->vsi_ctx.dec.crc[3],
inst->vsi_ctx.dec.crc[4], inst->vsi_ctx.dec.crc[5],
inst->vsi_ctx.dec.crc[6], inst->vsi_ctx.dec.crc[7]);
inst->ctx->decoded_frame_cnt++;
return 0;
err_free_fb_out:
mtk_vdec_err(inst->ctx, "dec frame number: %d err: %d", inst->ctx->decoded_frame_cnt, err);
return err;
}
static int vdec_h264_slice_decode(void *h_vdec, struct mtk_vcodec_mem *bs,
struct vdec_fb *unused, bool *res_chg)
{
struct vdec_h264_slice_inst *inst = h_vdec;
int ret;
if (!h_vdec)
return -EINVAL;
if (inst->ctx->dev->vdec_pdata->hw_arch == MTK_VDEC_PURE_SINGLE_CORE)
ret = vdec_h264_slice_single_decode(h_vdec, bs, unused, res_chg);
else
ret = vdec_h264_slice_lat_decode(h_vdec, bs, unused, res_chg);
return ret;
}
static int vdec_h264_slice_get_param(void *h_vdec, enum vdec_get_param_type type,
void *out)
{
struct vdec_h264_slice_inst *inst = h_vdec;
switch (type) {
case GET_PARAM_PIC_INFO:
vdec_h264_slice_get_pic_info(inst);
break;
case GET_PARAM_DPB_SIZE:
*(unsigned int *)out = 6;
break;
case GET_PARAM_CROP_INFO:
vdec_h264_slice_get_crop_info(inst, out);
break;
default:
mtk_vdec_err(inst->ctx, "invalid get parameter type=%d", type);
return -EINVAL;
}
return 0;
}
const struct vdec_common_if vdec_h264_slice_multi_if = {
.init = vdec_h264_slice_init,
.decode = vdec_h264_slice_decode,
.get_param = vdec_h264_slice_get_param,
.deinit = vdec_h264_slice_deinit,
};
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