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linux-sg2042/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec.c

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/*
* Copyright (c) 2016 MediaTek Inc.
* Author: PC Chen <pc.chen@mediatek.com>
* Tiffany Lin <tiffany.lin@mediatek.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <media/v4l2-event.h>
#include <media/v4l2-mem2mem.h>
#include <media/videobuf2-dma-contig.h>
#include "mtk_vcodec_drv.h"
#include "mtk_vcodec_dec.h"
#include "mtk_vcodec_intr.h"
#include "mtk_vcodec_util.h"
#include "vdec_drv_if.h"
#include "mtk_vcodec_dec_pm.h"
#define OUT_FMT_IDX 0
#define CAP_FMT_IDX 3
#define MTK_VDEC_MIN_W 64U
#define MTK_VDEC_MIN_H 64U
#define DFT_CFG_WIDTH MTK_VDEC_MIN_W
#define DFT_CFG_HEIGHT MTK_VDEC_MIN_H
static struct mtk_video_fmt mtk_video_formats[] = {
{
.fourcc = V4L2_PIX_FMT_H264,
.type = MTK_FMT_DEC,
.num_planes = 1,
},
{
.fourcc = V4L2_PIX_FMT_VP8,
.type = MTK_FMT_DEC,
.num_planes = 1,
},
{
.fourcc = V4L2_PIX_FMT_VP9,
.type = MTK_FMT_DEC,
.num_planes = 1,
},
{
.fourcc = V4L2_PIX_FMT_MT21C,
.type = MTK_FMT_FRAME,
.num_planes = 2,
},
};
static const struct mtk_codec_framesizes mtk_vdec_framesizes[] = {
{
.fourcc = V4L2_PIX_FMT_H264,
.stepwise = { MTK_VDEC_MIN_W, MTK_VDEC_MAX_W, 16,
MTK_VDEC_MIN_H, MTK_VDEC_MAX_H, 16 },
},
{
.fourcc = V4L2_PIX_FMT_VP8,
.stepwise = { MTK_VDEC_MIN_W, MTK_VDEC_MAX_W, 16,
MTK_VDEC_MIN_H, MTK_VDEC_MAX_H, 16 },
},
{
.fourcc = V4L2_PIX_FMT_VP9,
.stepwise = { MTK_VDEC_MIN_W, MTK_VDEC_MAX_W, 16,
MTK_VDEC_MIN_H, MTK_VDEC_MAX_H, 16 },
},
};
#define NUM_SUPPORTED_FRAMESIZE ARRAY_SIZE(mtk_vdec_framesizes)
#define NUM_FORMATS ARRAY_SIZE(mtk_video_formats)
static struct mtk_video_fmt *mtk_vdec_find_format(struct v4l2_format *f)
{
struct mtk_video_fmt *fmt;
unsigned int k;
for (k = 0; k < NUM_FORMATS; k++) {
fmt = &mtk_video_formats[k];
if (fmt->fourcc == f->fmt.pix_mp.pixelformat)
return fmt;
}
return NULL;
}
static struct mtk_q_data *mtk_vdec_get_q_data(struct mtk_vcodec_ctx *ctx,
enum v4l2_buf_type type)
{
if (V4L2_TYPE_IS_OUTPUT(type))
return &ctx->q_data[MTK_Q_DATA_SRC];
return &ctx->q_data[MTK_Q_DATA_DST];
}
/*
* This function tries to clean all display buffers, the buffers will return
* in display order.
* Note the buffers returned from codec driver may still be in driver's
* reference list.
*/
static struct vb2_buffer *get_display_buffer(struct mtk_vcodec_ctx *ctx)
{
struct vdec_fb *disp_frame_buffer = NULL;
struct mtk_video_dec_buf *dstbuf;
mtk_v4l2_debug(3, "[%d]", ctx->id);
if (vdec_if_get_param(ctx,
GET_PARAM_DISP_FRAME_BUFFER,
&disp_frame_buffer)) {
mtk_v4l2_err("[%d]Cannot get param : GET_PARAM_DISP_FRAME_BUFFER",
ctx->id);
return NULL;
}
if (disp_frame_buffer == NULL) {
mtk_v4l2_debug(3, "No display frame buffer");
return NULL;
}
dstbuf = container_of(disp_frame_buffer, struct mtk_video_dec_buf,
frame_buffer);
mutex_lock(&ctx->lock);
if (dstbuf->used) {
vb2_set_plane_payload(&dstbuf->vb.vb2_buf, 0,
ctx->picinfo.y_bs_sz);
vb2_set_plane_payload(&dstbuf->vb.vb2_buf, 1,
ctx->picinfo.c_bs_sz);
dstbuf->ready_to_display = true;
mtk_v4l2_debug(2,
"[%d]status=%x queue id=%d to done_list %d",
ctx->id, disp_frame_buffer->status,
dstbuf->vb.vb2_buf.index,
dstbuf->queued_in_vb2);
v4l2_m2m_buf_done(&dstbuf->vb, VB2_BUF_STATE_DONE);
ctx->decoded_frame_cnt++;
}
mutex_unlock(&ctx->lock);
return &dstbuf->vb.vb2_buf;
}
/*
* This function tries to clean all capture buffers that are not used as
* reference buffers by codec driver any more
* In this case, we need re-queue buffer to vb2 buffer if user space
* already returns this buffer to v4l2 or this buffer is just the output of
* previous sps/pps/resolution change decode, or do nothing if user
* space still owns this buffer
*/
static struct vb2_buffer *get_free_buffer(struct mtk_vcodec_ctx *ctx)
{
struct mtk_video_dec_buf *dstbuf;
struct vdec_fb *free_frame_buffer = NULL;
if (vdec_if_get_param(ctx,
GET_PARAM_FREE_FRAME_BUFFER,
&free_frame_buffer)) {
mtk_v4l2_err("[%d] Error!! Cannot get param", ctx->id);
return NULL;
}
if (free_frame_buffer == NULL) {
mtk_v4l2_debug(3, " No free frame buffer");
return NULL;
}
mtk_v4l2_debug(3, "[%d] tmp_frame_addr = 0x%p",
ctx->id, free_frame_buffer);
dstbuf = container_of(free_frame_buffer, struct mtk_video_dec_buf,
frame_buffer);
mutex_lock(&ctx->lock);
if (dstbuf->used) {
if ((dstbuf->queued_in_vb2) &&
(dstbuf->queued_in_v4l2) &&
(free_frame_buffer->status == FB_ST_FREE)) {
/*
* After decode sps/pps or non-display buffer, we don't
* need to return capture buffer to user space, but
* just re-queue this capture buffer to vb2 queue.
* This reduce overheads that dq/q unused capture
* buffer. In this case, queued_in_vb2 = true.
*/
mtk_v4l2_debug(2,
"[%d]status=%x queue id=%d to rdy_queue %d",
ctx->id, free_frame_buffer->status,
dstbuf->vb.vb2_buf.index,
dstbuf->queued_in_vb2);
v4l2_m2m_buf_queue(ctx->m2m_ctx, &dstbuf->vb);
} else if ((dstbuf->queued_in_vb2 == false) &&
(dstbuf->queued_in_v4l2 == true)) {
/*
* If buffer in v4l2 driver but not in vb2 queue yet,
* and we get this buffer from free_list, it means
* that codec driver do not use this buffer as
* reference buffer anymore. We should q buffer to vb2
* queue, so later work thread could get this buffer
* for decode. In this case, queued_in_vb2 = false
* means this buffer is not from previous decode
* output.
*/
mtk_v4l2_debug(2,
"[%d]status=%x queue id=%d to rdy_queue",
ctx->id, free_frame_buffer->status,
dstbuf->vb.vb2_buf.index);
v4l2_m2m_buf_queue(ctx->m2m_ctx, &dstbuf->vb);
dstbuf->queued_in_vb2 = true;
} else {
/*
* Codec driver do not need to reference this capture
* buffer and this buffer is not in v4l2 driver.
* Then we don't need to do any thing, just add log when
* we need to debug buffer flow.
* When this buffer q from user space, it could
* directly q to vb2 buffer
*/
mtk_v4l2_debug(3, "[%d]status=%x err queue id=%d %d %d",
ctx->id, free_frame_buffer->status,
dstbuf->vb.vb2_buf.index,
dstbuf->queued_in_vb2,
dstbuf->queued_in_v4l2);
}
dstbuf->used = false;
}
mutex_unlock(&ctx->lock);
return &dstbuf->vb.vb2_buf;
}
static void clean_display_buffer(struct mtk_vcodec_ctx *ctx)
{
struct vb2_buffer *framptr;
do {
framptr = get_display_buffer(ctx);
} while (framptr);
}
static void clean_free_buffer(struct mtk_vcodec_ctx *ctx)
{
struct vb2_buffer *framptr;
do {
framptr = get_free_buffer(ctx);
} while (framptr);
}
static void mtk_vdec_queue_res_chg_event(struct mtk_vcodec_ctx *ctx)
{
static const struct v4l2_event ev_src_ch = {
.type = V4L2_EVENT_SOURCE_CHANGE,
.u.src_change.changes =
V4L2_EVENT_SRC_CH_RESOLUTION,
};
mtk_v4l2_debug(1, "[%d]", ctx->id);
v4l2_event_queue_fh(&ctx->fh, &ev_src_ch);
}
static void mtk_vdec_flush_decoder(struct mtk_vcodec_ctx *ctx)
{
bool res_chg;
int ret = 0;
ret = vdec_if_decode(ctx, NULL, NULL, &res_chg);
if (ret)
mtk_v4l2_err("DecodeFinal failed, ret=%d", ret);
clean_display_buffer(ctx);
clean_free_buffer(ctx);
}
static int mtk_vdec_pic_info_update(struct mtk_vcodec_ctx *ctx)
{
unsigned int dpbsize = 0;
int ret;
if (vdec_if_get_param(ctx,
GET_PARAM_PIC_INFO,
&ctx->last_decoded_picinfo)) {
mtk_v4l2_err("[%d]Error!! Cannot get param : GET_PARAM_PICTURE_INFO ERR",
ctx->id);
return -EINVAL;
}
if (ctx->last_decoded_picinfo.pic_w == 0 ||
ctx->last_decoded_picinfo.pic_h == 0 ||
ctx->last_decoded_picinfo.buf_w == 0 ||
ctx->last_decoded_picinfo.buf_h == 0) {
mtk_v4l2_err("Cannot get correct pic info");
return -EINVAL;
}
if ((ctx->last_decoded_picinfo.pic_w == ctx->picinfo.pic_w) ||
(ctx->last_decoded_picinfo.pic_h == ctx->picinfo.pic_h))
return 0;
mtk_v4l2_debug(1,
"[%d]-> new(%d,%d), old(%d,%d), real(%d,%d)",
ctx->id, ctx->last_decoded_picinfo.pic_w,
ctx->last_decoded_picinfo.pic_h,
ctx->picinfo.pic_w, ctx->picinfo.pic_h,
ctx->last_decoded_picinfo.buf_w,
ctx->last_decoded_picinfo.buf_h);
ret = vdec_if_get_param(ctx, GET_PARAM_DPB_SIZE, &dpbsize);
if (dpbsize == 0)
mtk_v4l2_err("Incorrect dpb size, ret=%d", ret);
ctx->dpb_size = dpbsize;
return ret;
}
static void mtk_vdec_worker(struct work_struct *work)
{
struct mtk_vcodec_ctx *ctx = container_of(work, struct mtk_vcodec_ctx,
decode_work);
struct mtk_vcodec_dev *dev = ctx->dev;
struct vb2_v4l2_buffer *src_buf, *dst_buf;
struct mtk_vcodec_mem buf;
struct vdec_fb *pfb;
bool res_chg = false;
int ret;
struct mtk_video_dec_buf *dst_buf_info, *src_buf_info;
src_buf = v4l2_m2m_next_src_buf(ctx->m2m_ctx);
if (src_buf == NULL) {
v4l2_m2m_job_finish(dev->m2m_dev_dec, ctx->m2m_ctx);
mtk_v4l2_debug(1, "[%d] src_buf empty!!", ctx->id);
return;
}
dst_buf = v4l2_m2m_next_dst_buf(ctx->m2m_ctx);
if (dst_buf == NULL) {
v4l2_m2m_job_finish(dev->m2m_dev_dec, ctx->m2m_ctx);
mtk_v4l2_debug(1, "[%d] dst_buf empty!!", ctx->id);
return;
}
src_buf_info = container_of(src_buf, struct mtk_video_dec_buf, vb);
dst_buf_info = container_of(dst_buf, struct mtk_video_dec_buf, vb);
pfb = &dst_buf_info->frame_buffer;
pfb->base_y.va = vb2_plane_vaddr(&dst_buf->vb2_buf, 0);
pfb->base_y.dma_addr = vb2_dma_contig_plane_dma_addr(&dst_buf->vb2_buf, 0);
pfb->base_y.size = ctx->picinfo.y_bs_sz + ctx->picinfo.y_len_sz;
pfb->base_c.va = vb2_plane_vaddr(&dst_buf->vb2_buf, 1);
pfb->base_c.dma_addr = vb2_dma_contig_plane_dma_addr(&dst_buf->vb2_buf, 1);
pfb->base_c.size = ctx->picinfo.c_bs_sz + ctx->picinfo.c_len_sz;
pfb->status = 0;
mtk_v4l2_debug(3, "===>[%d] vdec_if_decode() ===>", ctx->id);
mtk_v4l2_debug(3,
"id=%d Framebuf pfb=%p VA=%p Y_DMA=%pad C_DMA=%pad Size=%zx",
dst_buf->vb2_buf.index, pfb,
pfb->base_y.va, &pfb->base_y.dma_addr,
&pfb->base_c.dma_addr, pfb->base_y.size);
if (src_buf_info->lastframe) {
mtk_v4l2_debug(1, "Got empty flush input buffer.");
src_buf = v4l2_m2m_src_buf_remove(ctx->m2m_ctx);
/* update dst buf status */
dst_buf = v4l2_m2m_dst_buf_remove(ctx->m2m_ctx);
mutex_lock(&ctx->lock);
dst_buf_info->used = false;
mutex_unlock(&ctx->lock);
vdec_if_decode(ctx, NULL, NULL, &res_chg);
clean_display_buffer(ctx);
vb2_set_plane_payload(&dst_buf_info->vb.vb2_buf, 0, 0);
vb2_set_plane_payload(&dst_buf_info->vb.vb2_buf, 1, 0);
dst_buf->flags |= V4L2_BUF_FLAG_LAST;
v4l2_m2m_buf_done(&dst_buf_info->vb, VB2_BUF_STATE_DONE);
clean_free_buffer(ctx);
v4l2_m2m_job_finish(dev->m2m_dev_dec, ctx->m2m_ctx);
return;
}
buf.va = vb2_plane_vaddr(&src_buf->vb2_buf, 0);
buf.dma_addr = vb2_dma_contig_plane_dma_addr(&src_buf->vb2_buf, 0);
buf.size = (size_t)src_buf->planes[0].bytesused;
if (!buf.va) {
v4l2_m2m_job_finish(dev->m2m_dev_dec, ctx->m2m_ctx);
mtk_v4l2_err("[%d] id=%d src_addr is NULL!!",
ctx->id, src_buf->vb2_buf.index);
return;
}
mtk_v4l2_debug(3, "[%d] Bitstream VA=%p DMA=%pad Size=%zx vb=%p",
ctx->id, buf.va, &buf.dma_addr, buf.size, src_buf);
dst_buf_info->vb.vb2_buf.timestamp
= src_buf_info->vb.vb2_buf.timestamp;
dst_buf_info->vb.timecode
= src_buf_info->vb.timecode;
mutex_lock(&ctx->lock);
dst_buf_info->used = true;
mutex_unlock(&ctx->lock);
src_buf_info->used = true;
ret = vdec_if_decode(ctx, &buf, pfb, &res_chg);
if (ret) {
mtk_v4l2_err(
" <===[%d], src_buf[%d] sz=0x%zx pts=%llu dst_buf[%d] vdec_if_decode() ret=%d res_chg=%d===>",
ctx->id,
src_buf->vb2_buf.index,
buf.size,
src_buf_info->vb.vb2_buf.timestamp,
dst_buf->vb2_buf.index,
ret, res_chg);
src_buf = v4l2_m2m_src_buf_remove(ctx->m2m_ctx);
if (ret == -EIO) {
mutex_lock(&ctx->lock);
src_buf_info->error = true;
mutex_unlock(&ctx->lock);
}
v4l2_m2m_buf_done(&src_buf_info->vb, VB2_BUF_STATE_ERROR);
} else if (res_chg == false) {
/*
* we only return src buffer with VB2_BUF_STATE_DONE
* when decode success without resolution change
*/
src_buf = v4l2_m2m_src_buf_remove(ctx->m2m_ctx);
v4l2_m2m_buf_done(&src_buf_info->vb, VB2_BUF_STATE_DONE);
}
dst_buf = v4l2_m2m_dst_buf_remove(ctx->m2m_ctx);
clean_display_buffer(ctx);
clean_free_buffer(ctx);
if (!ret && res_chg) {
mtk_vdec_pic_info_update(ctx);
/*
* On encountering a resolution change in the stream.
* The driver must first process and decode all
* remaining buffers from before the resolution change
* point, so call flush decode here
*/
mtk_vdec_flush_decoder(ctx);
/*
* After all buffers containing decoded frames from
* before the resolution change point ready to be
* dequeued on the CAPTURE queue, the driver sends a
* V4L2_EVENT_SOURCE_CHANGE event for source change
* type V4L2_EVENT_SRC_CH_RESOLUTION
*/
mtk_vdec_queue_res_chg_event(ctx);
}
v4l2_m2m_job_finish(dev->m2m_dev_dec, ctx->m2m_ctx);
}
static int vidioc_try_decoder_cmd(struct file *file, void *priv,
struct v4l2_decoder_cmd *cmd)
{
switch (cmd->cmd) {
case V4L2_DEC_CMD_STOP:
case V4L2_DEC_CMD_START:
if (cmd->flags != 0) {
mtk_v4l2_err("cmd->flags=%u", cmd->flags);
return -EINVAL;
}
break;
default:
return -EINVAL;
}
return 0;
}
static int vidioc_decoder_cmd(struct file *file, void *priv,
struct v4l2_decoder_cmd *cmd)
{
struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv);
struct vb2_queue *src_vq, *dst_vq;
int ret;
ret = vidioc_try_decoder_cmd(file, priv, cmd);
if (ret)
return ret;
mtk_v4l2_debug(1, "decoder cmd=%u", cmd->cmd);
dst_vq = v4l2_m2m_get_vq(ctx->m2m_ctx,
V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
switch (cmd->cmd) {
case V4L2_DEC_CMD_STOP:
src_vq = v4l2_m2m_get_vq(ctx->m2m_ctx,
V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE);
if (!vb2_is_streaming(src_vq)) {
mtk_v4l2_debug(1, "Output stream is off. No need to flush.");
return 0;
}
if (!vb2_is_streaming(dst_vq)) {
mtk_v4l2_debug(1, "Capture stream is off. No need to flush.");
return 0;
}
v4l2_m2m_buf_queue(ctx->m2m_ctx, &ctx->empty_flush_buf->vb);
v4l2_m2m_try_schedule(ctx->m2m_ctx);
break;
case V4L2_DEC_CMD_START:
vb2_clear_last_buffer_dequeued(dst_vq);
break;
default:
return -EINVAL;
}
return 0;
}
void mtk_vdec_unlock(struct mtk_vcodec_ctx *ctx)
{
mutex_unlock(&ctx->dev->dec_mutex);
}
void mtk_vdec_lock(struct mtk_vcodec_ctx *ctx)
{
mutex_lock(&ctx->dev->dec_mutex);
}
void mtk_vcodec_dec_release(struct mtk_vcodec_ctx *ctx)
{
vdec_if_deinit(ctx);
ctx->state = MTK_STATE_FREE;
}
void mtk_vcodec_dec_set_default_params(struct mtk_vcodec_ctx *ctx)
{
struct mtk_q_data *q_data;
ctx->m2m_ctx->q_lock = &ctx->dev->dev_mutex;
ctx->fh.m2m_ctx = ctx->m2m_ctx;
ctx->fh.ctrl_handler = &ctx->ctrl_hdl;
INIT_WORK(&ctx->decode_work, mtk_vdec_worker);
ctx->colorspace = V4L2_COLORSPACE_REC709;
ctx->ycbcr_enc = V4L2_YCBCR_ENC_DEFAULT;
ctx->quantization = V4L2_QUANTIZATION_DEFAULT;
ctx->xfer_func = V4L2_XFER_FUNC_DEFAULT;
q_data = &ctx->q_data[MTK_Q_DATA_SRC];
memset(q_data, 0, sizeof(struct mtk_q_data));
q_data->visible_width = DFT_CFG_WIDTH;
q_data->visible_height = DFT_CFG_HEIGHT;
q_data->fmt = &mtk_video_formats[OUT_FMT_IDX];
q_data->field = V4L2_FIELD_NONE;
q_data->sizeimage[0] = DFT_CFG_WIDTH * DFT_CFG_HEIGHT;
q_data->bytesperline[0] = 0;
q_data = &ctx->q_data[MTK_Q_DATA_DST];
memset(q_data, 0, sizeof(struct mtk_q_data));
q_data->visible_width = DFT_CFG_WIDTH;
q_data->visible_height = DFT_CFG_HEIGHT;
q_data->coded_width = DFT_CFG_WIDTH;
q_data->coded_height = DFT_CFG_HEIGHT;
q_data->fmt = &mtk_video_formats[CAP_FMT_IDX];
q_data->field = V4L2_FIELD_NONE;
v4l_bound_align_image(&q_data->coded_width,
MTK_VDEC_MIN_W,
MTK_VDEC_MAX_W, 4,
&q_data->coded_height,
MTK_VDEC_MIN_H,
MTK_VDEC_MAX_H, 5, 6);
q_data->sizeimage[0] = q_data->coded_width * q_data->coded_height;
q_data->bytesperline[0] = q_data->coded_width;
q_data->sizeimage[1] = q_data->sizeimage[0] / 2;
q_data->bytesperline[1] = q_data->coded_width;
}
static int vidioc_vdec_qbuf(struct file *file, void *priv,
struct v4l2_buffer *buf)
{
struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv);
if (ctx->state == MTK_STATE_ABORT) {
mtk_v4l2_err("[%d] Call on QBUF after unrecoverable error",
ctx->id);
return -EIO;
}
return v4l2_m2m_qbuf(file, ctx->m2m_ctx, buf);
}
static int vidioc_vdec_dqbuf(struct file *file, void *priv,
struct v4l2_buffer *buf)
{
struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv);
if (ctx->state == MTK_STATE_ABORT) {
mtk_v4l2_err("[%d] Call on DQBUF after unrecoverable error",
ctx->id);
return -EIO;
}
return v4l2_m2m_dqbuf(file, ctx->m2m_ctx, buf);
}
static int vidioc_vdec_querycap(struct file *file, void *priv,
struct v4l2_capability *cap)
{
strscpy(cap->driver, MTK_VCODEC_DEC_NAME, sizeof(cap->driver));
strscpy(cap->bus_info, MTK_PLATFORM_STR, sizeof(cap->bus_info));
strscpy(cap->card, MTK_PLATFORM_STR, sizeof(cap->card));
return 0;
}
static int vidioc_vdec_subscribe_evt(struct v4l2_fh *fh,
const struct v4l2_event_subscription *sub)
{
switch (sub->type) {
case V4L2_EVENT_EOS:
return v4l2_event_subscribe(fh, sub, 2, NULL);
case V4L2_EVENT_SOURCE_CHANGE:
return v4l2_src_change_event_subscribe(fh, sub);
default:
return v4l2_ctrl_subscribe_event(fh, sub);
}
}
static int vidioc_try_fmt(struct v4l2_format *f, struct mtk_video_fmt *fmt)
{
struct v4l2_pix_format_mplane *pix_fmt_mp = &f->fmt.pix_mp;
int i;
pix_fmt_mp->field = V4L2_FIELD_NONE;
if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
pix_fmt_mp->num_planes = 1;
pix_fmt_mp->plane_fmt[0].bytesperline = 0;
} else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
int tmp_w, tmp_h;
pix_fmt_mp->height = clamp(pix_fmt_mp->height,
MTK_VDEC_MIN_H,
MTK_VDEC_MAX_H);
pix_fmt_mp->width = clamp(pix_fmt_mp->width,
MTK_VDEC_MIN_W,
MTK_VDEC_MAX_W);
/*
* Find next closer width align 64, heign align 64, size align
* 64 rectangle
* Note: This only get default value, the real HW needed value
* only available when ctx in MTK_STATE_HEADER state
*/
tmp_w = pix_fmt_mp->width;
tmp_h = pix_fmt_mp->height;
v4l_bound_align_image(&pix_fmt_mp->width,
MTK_VDEC_MIN_W,
MTK_VDEC_MAX_W, 6,
&pix_fmt_mp->height,
MTK_VDEC_MIN_H,
MTK_VDEC_MAX_H, 6, 9);
if (pix_fmt_mp->width < tmp_w &&
(pix_fmt_mp->width + 64) <= MTK_VDEC_MAX_W)
pix_fmt_mp->width += 64;
if (pix_fmt_mp->height < tmp_h &&
(pix_fmt_mp->height + 64) <= MTK_VDEC_MAX_H)
pix_fmt_mp->height += 64;
mtk_v4l2_debug(0,
"before resize width=%d, height=%d, after resize width=%d, height=%d, sizeimage=%d",
tmp_w, tmp_h, pix_fmt_mp->width,
pix_fmt_mp->height,
pix_fmt_mp->width * pix_fmt_mp->height);
pix_fmt_mp->num_planes = fmt->num_planes;
pix_fmt_mp->plane_fmt[0].sizeimage =
pix_fmt_mp->width * pix_fmt_mp->height;
pix_fmt_mp->plane_fmt[0].bytesperline = pix_fmt_mp->width;
if (pix_fmt_mp->num_planes == 2) {
pix_fmt_mp->plane_fmt[1].sizeimage =
(pix_fmt_mp->width * pix_fmt_mp->height) / 2;
pix_fmt_mp->plane_fmt[1].bytesperline =
pix_fmt_mp->width;
}
}
for (i = 0; i < pix_fmt_mp->num_planes; i++)
memset(&(pix_fmt_mp->plane_fmt[i].reserved[0]), 0x0,
sizeof(pix_fmt_mp->plane_fmt[0].reserved));
pix_fmt_mp->flags = 0;
memset(&pix_fmt_mp->reserved, 0x0, sizeof(pix_fmt_mp->reserved));
return 0;
}
static int vidioc_try_fmt_vid_cap_mplane(struct file *file, void *priv,
struct v4l2_format *f)
{
struct mtk_video_fmt *fmt;
fmt = mtk_vdec_find_format(f);
if (!fmt) {
f->fmt.pix.pixelformat = mtk_video_formats[CAP_FMT_IDX].fourcc;
fmt = mtk_vdec_find_format(f);
}
return vidioc_try_fmt(f, fmt);
}
static int vidioc_try_fmt_vid_out_mplane(struct file *file, void *priv,
struct v4l2_format *f)
{
struct v4l2_pix_format_mplane *pix_fmt_mp = &f->fmt.pix_mp;
struct mtk_video_fmt *fmt;
fmt = mtk_vdec_find_format(f);
if (!fmt) {
f->fmt.pix.pixelformat = mtk_video_formats[OUT_FMT_IDX].fourcc;
fmt = mtk_vdec_find_format(f);
}
if (pix_fmt_mp->plane_fmt[0].sizeimage == 0) {
mtk_v4l2_err("sizeimage of output format must be given");
return -EINVAL;
}
return vidioc_try_fmt(f, fmt);
}
static int vidioc_vdec_g_selection(struct file *file, void *priv,
struct v4l2_selection *s)
{
struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv);
struct mtk_q_data *q_data;
if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL;
q_data = &ctx->q_data[MTK_Q_DATA_DST];
switch (s->target) {
case V4L2_SEL_TGT_COMPOSE_DEFAULT:
s->r.left = 0;
s->r.top = 0;
s->r.width = ctx->picinfo.pic_w;
s->r.height = ctx->picinfo.pic_h;
break;
case V4L2_SEL_TGT_COMPOSE_BOUNDS:
s->r.left = 0;
s->r.top = 0;
s->r.width = ctx->picinfo.buf_w;
s->r.height = ctx->picinfo.buf_h;
break;
case V4L2_SEL_TGT_COMPOSE:
if (vdec_if_get_param(ctx, GET_PARAM_CROP_INFO, &(s->r))) {
/* set to default value if header info not ready yet*/
s->r.left = 0;
s->r.top = 0;
s->r.width = q_data->visible_width;
s->r.height = q_data->visible_height;
}
break;
default:
return -EINVAL;
}
if (ctx->state < MTK_STATE_HEADER) {
/* set to default value if header info not ready yet*/
s->r.left = 0;
s->r.top = 0;
s->r.width = q_data->visible_width;
s->r.height = q_data->visible_height;
return 0;
}
return 0;
}
static int vidioc_vdec_s_selection(struct file *file, void *priv,
struct v4l2_selection *s)
{
struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv);
if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL;
switch (s->target) {
case V4L2_SEL_TGT_COMPOSE:
s->r.left = 0;
s->r.top = 0;
s->r.width = ctx->picinfo.pic_w;
s->r.height = ctx->picinfo.pic_h;
break;
default:
return -EINVAL;
}
return 0;
}
static int vidioc_vdec_s_fmt(struct file *file, void *priv,
struct v4l2_format *f)
{
struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv);
struct v4l2_pix_format_mplane *pix_mp;
struct mtk_q_data *q_data;
int ret = 0;
struct mtk_video_fmt *fmt;
mtk_v4l2_debug(3, "[%d]", ctx->id);
q_data = mtk_vdec_get_q_data(ctx, f->type);
if (!q_data)
return -EINVAL;
pix_mp = &f->fmt.pix_mp;
if ((f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) &&
vb2_is_busy(&ctx->m2m_ctx->out_q_ctx.q)) {
mtk_v4l2_err("out_q_ctx buffers already requested");
ret = -EBUSY;
}
if ((f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) &&
vb2_is_busy(&ctx->m2m_ctx->cap_q_ctx.q)) {
mtk_v4l2_err("cap_q_ctx buffers already requested");
ret = -EBUSY;
}
fmt = mtk_vdec_find_format(f);
if (fmt == NULL) {
if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
f->fmt.pix.pixelformat =
mtk_video_formats[OUT_FMT_IDX].fourcc;
fmt = mtk_vdec_find_format(f);
} else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
f->fmt.pix.pixelformat =
mtk_video_formats[CAP_FMT_IDX].fourcc;
fmt = mtk_vdec_find_format(f);
}
}
q_data->fmt = fmt;
vidioc_try_fmt(f, q_data->fmt);
if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
q_data->sizeimage[0] = pix_mp->plane_fmt[0].sizeimage;
q_data->coded_width = pix_mp->width;
q_data->coded_height = pix_mp->height;
ctx->colorspace = f->fmt.pix_mp.colorspace;
ctx->ycbcr_enc = f->fmt.pix_mp.ycbcr_enc;
ctx->quantization = f->fmt.pix_mp.quantization;
ctx->xfer_func = f->fmt.pix_mp.xfer_func;
if (ctx->state == MTK_STATE_FREE) {
ret = vdec_if_init(ctx, q_data->fmt->fourcc);
if (ret) {
mtk_v4l2_err("[%d]: vdec_if_init() fail ret=%d",
ctx->id, ret);
return -EINVAL;
}
ctx->state = MTK_STATE_INIT;
}
}
return 0;
}
static int vidioc_enum_framesizes(struct file *file, void *priv,
struct v4l2_frmsizeenum *fsize)
{
int i = 0;
struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv);
if (fsize->index != 0)
return -EINVAL;
for (i = 0; i < NUM_SUPPORTED_FRAMESIZE; ++i) {
if (fsize->pixel_format != mtk_vdec_framesizes[i].fourcc)
continue;
fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE;
fsize->stepwise = mtk_vdec_framesizes[i].stepwise;
if (!(ctx->dev->dec_capability &
VCODEC_CAPABILITY_4K_DISABLED)) {
mtk_v4l2_debug(3, "4K is enabled");
fsize->stepwise.max_width =
VCODEC_DEC_4K_CODED_WIDTH;
fsize->stepwise.max_height =
VCODEC_DEC_4K_CODED_HEIGHT;
}
mtk_v4l2_debug(1, "%x, %d %d %d %d %d %d",
ctx->dev->dec_capability,
fsize->stepwise.min_width,
fsize->stepwise.max_width,
fsize->stepwise.step_width,
fsize->stepwise.min_height,
fsize->stepwise.max_height,
fsize->stepwise.step_height);
return 0;
}
return -EINVAL;
}
static int vidioc_enum_fmt(struct v4l2_fmtdesc *f, bool output_queue)
{
struct mtk_video_fmt *fmt;
int i, j = 0;
for (i = 0; i < NUM_FORMATS; i++) {
if (output_queue && (mtk_video_formats[i].type != MTK_FMT_DEC))
continue;
if (!output_queue &&
(mtk_video_formats[i].type != MTK_FMT_FRAME))
continue;
if (j == f->index)
break;
++j;
}
if (i == NUM_FORMATS)
return -EINVAL;
fmt = &mtk_video_formats[i];
f->pixelformat = fmt->fourcc;
return 0;
}
static int vidioc_vdec_enum_fmt_vid_cap_mplane(struct file *file, void *pirv,
struct v4l2_fmtdesc *f)
{
return vidioc_enum_fmt(f, false);
}
static int vidioc_vdec_enum_fmt_vid_out_mplane(struct file *file, void *priv,
struct v4l2_fmtdesc *f)
{
return vidioc_enum_fmt(f, true);
}
static int vidioc_vdec_g_fmt(struct file *file, void *priv,
struct v4l2_format *f)
{
struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv);
struct v4l2_pix_format_mplane *pix_mp = &f->fmt.pix_mp;
struct vb2_queue *vq;
struct mtk_q_data *q_data;
vq = v4l2_m2m_get_vq(ctx->m2m_ctx, f->type);
if (!vq) {
mtk_v4l2_err("no vb2 queue for type=%d", f->type);
return -EINVAL;
}
q_data = mtk_vdec_get_q_data(ctx, f->type);
pix_mp->field = V4L2_FIELD_NONE;
pix_mp->colorspace = ctx->colorspace;
pix_mp->ycbcr_enc = ctx->ycbcr_enc;
pix_mp->quantization = ctx->quantization;
pix_mp->xfer_func = ctx->xfer_func;
if ((f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) &&
(ctx->state >= MTK_STATE_HEADER)) {
/* Until STREAMOFF is called on the CAPTURE queue
* (acknowledging the event), the driver operates as if
* the resolution hasn't changed yet.
* So we just return picinfo yet, and update picinfo in
* stop_streaming hook function
*/
q_data->sizeimage[0] = ctx->picinfo.y_bs_sz +
ctx->picinfo.y_len_sz;
q_data->sizeimage[1] = ctx->picinfo.c_bs_sz +
ctx->picinfo.c_len_sz;
q_data->bytesperline[0] = ctx->last_decoded_picinfo.buf_w;
q_data->bytesperline[1] = ctx->last_decoded_picinfo.buf_w;
q_data->coded_width = ctx->picinfo.buf_w;
q_data->coded_height = ctx->picinfo.buf_h;
/*
* Width and height are set to the dimensions
* of the movie, the buffer is bigger and
* further processing stages should crop to this
* rectangle.
*/
pix_mp->width = q_data->coded_width;
pix_mp->height = q_data->coded_height;
/*
* Set pixelformat to the format in which mt vcodec
* outputs the decoded frame
*/
pix_mp->num_planes = q_data->fmt->num_planes;
pix_mp->pixelformat = q_data->fmt->fourcc;
pix_mp->plane_fmt[0].bytesperline = q_data->bytesperline[0];
pix_mp->plane_fmt[0].sizeimage = q_data->sizeimage[0];
pix_mp->plane_fmt[1].bytesperline = q_data->bytesperline[1];
pix_mp->plane_fmt[1].sizeimage = q_data->sizeimage[1];
} else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
/*
* This is run on OUTPUT
* The buffer contains compressed image
* so width and height have no meaning.
* Assign value here to pass v4l2-compliance test
*/
pix_mp->width = q_data->visible_width;
pix_mp->height = q_data->visible_height;
pix_mp->plane_fmt[0].bytesperline = q_data->bytesperline[0];
pix_mp->plane_fmt[0].sizeimage = q_data->sizeimage[0];
pix_mp->pixelformat = q_data->fmt->fourcc;
pix_mp->num_planes = q_data->fmt->num_planes;
} else {
pix_mp->width = q_data->coded_width;
pix_mp->height = q_data->coded_height;
pix_mp->num_planes = q_data->fmt->num_planes;
pix_mp->pixelformat = q_data->fmt->fourcc;
pix_mp->plane_fmt[0].bytesperline = q_data->bytesperline[0];
pix_mp->plane_fmt[0].sizeimage = q_data->sizeimage[0];
pix_mp->plane_fmt[1].bytesperline = q_data->bytesperline[1];
pix_mp->plane_fmt[1].sizeimage = q_data->sizeimage[1];
mtk_v4l2_debug(1, "[%d] type=%d state=%d Format information could not be read, not ready yet!",
ctx->id, f->type, ctx->state);
}
return 0;
}
static int vb2ops_vdec_queue_setup(struct vb2_queue *vq,
unsigned int *nbuffers,
unsigned int *nplanes,
unsigned int sizes[],
struct device *alloc_devs[])
{
struct mtk_vcodec_ctx *ctx = vb2_get_drv_priv(vq);
struct mtk_q_data *q_data;
unsigned int i;
q_data = mtk_vdec_get_q_data(ctx, vq->type);
if (q_data == NULL) {
mtk_v4l2_err("vq->type=%d err\n", vq->type);
return -EINVAL;
}
if (*nplanes) {
for (i = 0; i < *nplanes; i++) {
if (sizes[i] < q_data->sizeimage[i])
return -EINVAL;
}
} else {
if (vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
*nplanes = 2;
else
*nplanes = 1;
for (i = 0; i < *nplanes; i++)
sizes[i] = q_data->sizeimage[i];
}
mtk_v4l2_debug(1,
"[%d]\t type = %d, get %d plane(s), %d buffer(s) of size 0x%x 0x%x ",
ctx->id, vq->type, *nplanes, *nbuffers,
sizes[0], sizes[1]);
return 0;
}
static int vb2ops_vdec_buf_prepare(struct vb2_buffer *vb)
{
struct mtk_vcodec_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
struct mtk_q_data *q_data;
int i;
mtk_v4l2_debug(3, "[%d] (%d) id=%d",
ctx->id, vb->vb2_queue->type, vb->index);
q_data = mtk_vdec_get_q_data(ctx, vb->vb2_queue->type);
for (i = 0; i < q_data->fmt->num_planes; i++) {
if (vb2_plane_size(vb, i) < q_data->sizeimage[i]) {
mtk_v4l2_err("data will not fit into plane %d (%lu < %d)",
i, vb2_plane_size(vb, i),
q_data->sizeimage[i]);
}
}
return 0;
}
static void vb2ops_vdec_buf_queue(struct vb2_buffer *vb)
{
struct vb2_v4l2_buffer *src_buf;
struct mtk_vcodec_mem src_mem;
bool res_chg = false;
int ret = 0;
unsigned int dpbsize = 1;
struct mtk_vcodec_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
struct vb2_v4l2_buffer *vb2_v4l2 = NULL;
struct mtk_video_dec_buf *buf = NULL;
mtk_v4l2_debug(3, "[%d] (%d) id=%d, vb=%p",
ctx->id, vb->vb2_queue->type,
vb->index, vb);
/*
* check if this buffer is ready to be used after decode
*/
if (vb->vb2_queue->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
vb2_v4l2 = to_vb2_v4l2_buffer(vb);
buf = container_of(vb2_v4l2, struct mtk_video_dec_buf, vb);
mutex_lock(&ctx->lock);
if (buf->used == false) {
v4l2_m2m_buf_queue(ctx->m2m_ctx, vb2_v4l2);
buf->queued_in_vb2 = true;
buf->queued_in_v4l2 = true;
buf->ready_to_display = false;
} else {
buf->queued_in_vb2 = false;
buf->queued_in_v4l2 = true;
buf->ready_to_display = false;
}
mutex_unlock(&ctx->lock);
return;
}
v4l2_m2m_buf_queue(ctx->m2m_ctx, to_vb2_v4l2_buffer(vb));
if (ctx->state != MTK_STATE_INIT) {
mtk_v4l2_debug(3, "[%d] already init driver %d",
ctx->id, ctx->state);
return;
}
src_buf = v4l2_m2m_next_src_buf(ctx->m2m_ctx);
if (!src_buf) {
mtk_v4l2_err("No src buffer");
return;
}
buf = container_of(src_buf, struct mtk_video_dec_buf, vb);
if (buf->lastframe) {
/* This shouldn't happen. Just in case. */
mtk_v4l2_err("Invalid flush buffer.");
v4l2_m2m_src_buf_remove(ctx->m2m_ctx);
return;
}
src_mem.va = vb2_plane_vaddr(&src_buf->vb2_buf, 0);
src_mem.dma_addr = vb2_dma_contig_plane_dma_addr(&src_buf->vb2_buf, 0);
src_mem.size = (size_t)src_buf->planes[0].bytesused;
mtk_v4l2_debug(2,
"[%d] buf id=%d va=%p dma=%pad size=%zx",
ctx->id, src_buf->index,
src_mem.va, &src_mem.dma_addr,
src_mem.size);
ret = vdec_if_decode(ctx, &src_mem, NULL, &res_chg);
if (ret || !res_chg) {
/*
* fb == NULL means to parse SPS/PPS header or
* resolution info in src_mem. Decode can fail
* if there is no SPS header or picture info
* in bs
*/
src_buf = v4l2_m2m_src_buf_remove(ctx->m2m_ctx);
if (ret == -EIO) {
mtk_v4l2_err("[%d] Unrecoverable error in vdec_if_decode.",
ctx->id);
ctx->state = MTK_STATE_ABORT;
v4l2_m2m_buf_done(src_buf, VB2_BUF_STATE_ERROR);
} else {
v4l2_m2m_buf_done(src_buf, VB2_BUF_STATE_DONE);
}
mtk_v4l2_debug(ret ? 0 : 1,
"[%d] vdec_if_decode() src_buf=%d, size=%zu, fail=%d, res_chg=%d",
ctx->id, src_buf->index,
src_mem.size, ret, res_chg);
return;
}
if (vdec_if_get_param(ctx, GET_PARAM_PIC_INFO, &ctx->picinfo)) {
mtk_v4l2_err("[%d]Error!! Cannot get param : GET_PARAM_PICTURE_INFO ERR",
ctx->id);
return;
}
ctx->last_decoded_picinfo = ctx->picinfo;
ctx->q_data[MTK_Q_DATA_DST].sizeimage[0] =
ctx->picinfo.y_bs_sz +
ctx->picinfo.y_len_sz;
ctx->q_data[MTK_Q_DATA_DST].bytesperline[0] =
ctx->picinfo.buf_w;
ctx->q_data[MTK_Q_DATA_DST].sizeimage[1] =
ctx->picinfo.c_bs_sz +
ctx->picinfo.c_len_sz;
ctx->q_data[MTK_Q_DATA_DST].bytesperline[1] = ctx->picinfo.buf_w;
mtk_v4l2_debug(2, "[%d] vdec_if_init() OK wxh=%dx%d pic wxh=%dx%d sz[0]=0x%x sz[1]=0x%x",
ctx->id,
ctx->picinfo.buf_w, ctx->picinfo.buf_h,
ctx->picinfo.pic_w, ctx->picinfo.pic_h,
ctx->q_data[MTK_Q_DATA_DST].sizeimage[0],
ctx->q_data[MTK_Q_DATA_DST].sizeimage[1]);
ret = vdec_if_get_param(ctx, GET_PARAM_DPB_SIZE, &dpbsize);
if (dpbsize == 0)
mtk_v4l2_err("[%d] GET_PARAM_DPB_SIZE fail=%d", ctx->id, ret);
ctx->dpb_size = dpbsize;
ctx->state = MTK_STATE_HEADER;
mtk_v4l2_debug(1, "[%d] dpbsize=%d", ctx->id, ctx->dpb_size);
mtk_vdec_queue_res_chg_event(ctx);
}
static void vb2ops_vdec_buf_finish(struct vb2_buffer *vb)
{
struct mtk_vcodec_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
struct vb2_v4l2_buffer *vb2_v4l2;
struct mtk_video_dec_buf *buf;
bool buf_error;
vb2_v4l2 = container_of(vb, struct vb2_v4l2_buffer, vb2_buf);
buf = container_of(vb2_v4l2, struct mtk_video_dec_buf, vb);
mutex_lock(&ctx->lock);
if (vb->vb2_queue->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
buf->queued_in_v4l2 = false;
buf->queued_in_vb2 = false;
}
buf_error = buf->error;
mutex_unlock(&ctx->lock);
if (buf_error) {
mtk_v4l2_err("Unrecoverable error on buffer.");
ctx->state = MTK_STATE_ABORT;
}
}
static int vb2ops_vdec_buf_init(struct vb2_buffer *vb)
{
struct vb2_v4l2_buffer *vb2_v4l2 = container_of(vb,
struct vb2_v4l2_buffer, vb2_buf);
struct mtk_video_dec_buf *buf = container_of(vb2_v4l2,
struct mtk_video_dec_buf, vb);
if (vb->vb2_queue->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
buf->used = false;
buf->ready_to_display = false;
buf->queued_in_v4l2 = false;
} else {
buf->lastframe = false;
}
return 0;
}
static int vb2ops_vdec_start_streaming(struct vb2_queue *q, unsigned int count)
{
struct mtk_vcodec_ctx *ctx = vb2_get_drv_priv(q);
if (ctx->state == MTK_STATE_FLUSH)
ctx->state = MTK_STATE_HEADER;
return 0;
}
static void vb2ops_vdec_stop_streaming(struct vb2_queue *q)
{
struct vb2_v4l2_buffer *src_buf = NULL, *dst_buf = NULL;
struct mtk_vcodec_ctx *ctx = vb2_get_drv_priv(q);
mtk_v4l2_debug(3, "[%d] (%d) state=(%x) ctx->decoded_frame_cnt=%d",
ctx->id, q->type, ctx->state, ctx->decoded_frame_cnt);
if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
while ((src_buf = v4l2_m2m_src_buf_remove(ctx->m2m_ctx))) {
struct mtk_video_dec_buf *buf_info = container_of(
src_buf, struct mtk_video_dec_buf, vb);
if (!buf_info->lastframe)
v4l2_m2m_buf_done(src_buf,
VB2_BUF_STATE_ERROR);
}
return;
}
if (ctx->state >= MTK_STATE_HEADER) {
/* Until STREAMOFF is called on the CAPTURE queue
* (acknowledging the event), the driver operates
* as if the resolution hasn't changed yet, i.e.
* VIDIOC_G_FMT< etc. return previous resolution.
* So we update picinfo here
*/
ctx->picinfo = ctx->last_decoded_picinfo;
mtk_v4l2_debug(2,
"[%d]-> new(%d,%d), old(%d,%d), real(%d,%d)",
ctx->id, ctx->last_decoded_picinfo.pic_w,
ctx->last_decoded_picinfo.pic_h,
ctx->picinfo.pic_w, ctx->picinfo.pic_h,
ctx->last_decoded_picinfo.buf_w,
ctx->last_decoded_picinfo.buf_h);
mtk_vdec_flush_decoder(ctx);
}
ctx->state = MTK_STATE_FLUSH;
while ((dst_buf = v4l2_m2m_dst_buf_remove(ctx->m2m_ctx))) {
vb2_set_plane_payload(&dst_buf->vb2_buf, 0, 0);
vb2_set_plane_payload(&dst_buf->vb2_buf, 1, 0);
v4l2_m2m_buf_done(dst_buf, VB2_BUF_STATE_ERROR);
}
}
static void m2mops_vdec_device_run(void *priv)
{
struct mtk_vcodec_ctx *ctx = priv;
struct mtk_vcodec_dev *dev = ctx->dev;
queue_work(dev->decode_workqueue, &ctx->decode_work);
}
static int m2mops_vdec_job_ready(void *m2m_priv)
{
struct mtk_vcodec_ctx *ctx = m2m_priv;
mtk_v4l2_debug(3, "[%d]", ctx->id);
if (ctx->state == MTK_STATE_ABORT)
return 0;
if ((ctx->last_decoded_picinfo.pic_w != ctx->picinfo.pic_w) ||
(ctx->last_decoded_picinfo.pic_h != ctx->picinfo.pic_h))
return 0;
if (ctx->state != MTK_STATE_HEADER)
return 0;
return 1;
}
static void m2mops_vdec_job_abort(void *priv)
{
struct mtk_vcodec_ctx *ctx = priv;
ctx->state = MTK_STATE_ABORT;
}
static int mtk_vdec_g_v_ctrl(struct v4l2_ctrl *ctrl)
{
struct mtk_vcodec_ctx *ctx = ctrl_to_ctx(ctrl);
int ret = 0;
switch (ctrl->id) {
case V4L2_CID_MIN_BUFFERS_FOR_CAPTURE:
if (ctx->state >= MTK_STATE_HEADER) {
ctrl->val = ctx->dpb_size;
} else {
mtk_v4l2_debug(0, "Seqinfo not ready");
ctrl->val = 0;
}
break;
default:
ret = -EINVAL;
}
return ret;
}
static const struct v4l2_ctrl_ops mtk_vcodec_dec_ctrl_ops = {
.g_volatile_ctrl = mtk_vdec_g_v_ctrl,
};
int mtk_vcodec_dec_ctrls_setup(struct mtk_vcodec_ctx *ctx)
{
struct v4l2_ctrl *ctrl;
v4l2_ctrl_handler_init(&ctx->ctrl_hdl, 1);
ctrl = v4l2_ctrl_new_std(&ctx->ctrl_hdl,
&mtk_vcodec_dec_ctrl_ops,
V4L2_CID_MIN_BUFFERS_FOR_CAPTURE,
0, 32, 1, 1);
ctrl->flags |= V4L2_CTRL_FLAG_VOLATILE;
v4l2_ctrl_new_std_menu(&ctx->ctrl_hdl,
&mtk_vcodec_dec_ctrl_ops,
V4L2_CID_MPEG_VIDEO_VP9_PROFILE,
V4L2_MPEG_VIDEO_VP9_PROFILE_0,
0, V4L2_MPEG_VIDEO_VP9_PROFILE_0);
if (ctx->ctrl_hdl.error) {
mtk_v4l2_err("Adding control failed %d",
ctx->ctrl_hdl.error);
return ctx->ctrl_hdl.error;
}
v4l2_ctrl_handler_setup(&ctx->ctrl_hdl);
return 0;
}
const struct v4l2_m2m_ops mtk_vdec_m2m_ops = {
.device_run = m2mops_vdec_device_run,
.job_ready = m2mops_vdec_job_ready,
.job_abort = m2mops_vdec_job_abort,
};
static const struct vb2_ops mtk_vdec_vb2_ops = {
.queue_setup = vb2ops_vdec_queue_setup,
.buf_prepare = vb2ops_vdec_buf_prepare,
.buf_queue = vb2ops_vdec_buf_queue,
.wait_prepare = vb2_ops_wait_prepare,
.wait_finish = vb2_ops_wait_finish,
.buf_init = vb2ops_vdec_buf_init,
.buf_finish = vb2ops_vdec_buf_finish,
.start_streaming = vb2ops_vdec_start_streaming,
.stop_streaming = vb2ops_vdec_stop_streaming,
};
const struct v4l2_ioctl_ops mtk_vdec_ioctl_ops = {
.vidioc_streamon = v4l2_m2m_ioctl_streamon,
.vidioc_streamoff = v4l2_m2m_ioctl_streamoff,
.vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs,
.vidioc_querybuf = v4l2_m2m_ioctl_querybuf,
.vidioc_expbuf = v4l2_m2m_ioctl_expbuf,
.vidioc_qbuf = vidioc_vdec_qbuf,
.vidioc_dqbuf = vidioc_vdec_dqbuf,
.vidioc_try_fmt_vid_cap_mplane = vidioc_try_fmt_vid_cap_mplane,
.vidioc_try_fmt_vid_out_mplane = vidioc_try_fmt_vid_out_mplane,
.vidioc_s_fmt_vid_cap_mplane = vidioc_vdec_s_fmt,
.vidioc_s_fmt_vid_out_mplane = vidioc_vdec_s_fmt,
.vidioc_g_fmt_vid_cap_mplane = vidioc_vdec_g_fmt,
.vidioc_g_fmt_vid_out_mplane = vidioc_vdec_g_fmt,
.vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs,
.vidioc_enum_fmt_vid_cap_mplane = vidioc_vdec_enum_fmt_vid_cap_mplane,
.vidioc_enum_fmt_vid_out_mplane = vidioc_vdec_enum_fmt_vid_out_mplane,
.vidioc_enum_framesizes = vidioc_enum_framesizes,
.vidioc_querycap = vidioc_vdec_querycap,
.vidioc_subscribe_event = vidioc_vdec_subscribe_evt,
.vidioc_unsubscribe_event = v4l2_event_unsubscribe,
.vidioc_g_selection = vidioc_vdec_g_selection,
.vidioc_s_selection = vidioc_vdec_s_selection,
.vidioc_decoder_cmd = vidioc_decoder_cmd,
.vidioc_try_decoder_cmd = vidioc_try_decoder_cmd,
};
int mtk_vcodec_dec_queue_init(void *priv, struct vb2_queue *src_vq,
struct vb2_queue *dst_vq)
{
struct mtk_vcodec_ctx *ctx = priv;
int ret = 0;
mtk_v4l2_debug(3, "[%d]", ctx->id);
src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
src_vq->io_modes = VB2_DMABUF | VB2_MMAP;
src_vq->drv_priv = ctx;
src_vq->buf_struct_size = sizeof(struct mtk_video_dec_buf);
src_vq->ops = &mtk_vdec_vb2_ops;
src_vq->mem_ops = &vb2_dma_contig_memops;
src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
src_vq->lock = &ctx->dev->dev_mutex;
src_vq->dev = &ctx->dev->plat_dev->dev;
ret = vb2_queue_init(src_vq);
if (ret) {
mtk_v4l2_err("Failed to initialize videobuf2 queue(output)");
return ret;
}
dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
dst_vq->io_modes = VB2_DMABUF | VB2_MMAP;
dst_vq->drv_priv = ctx;
dst_vq->buf_struct_size = sizeof(struct mtk_video_dec_buf);
dst_vq->ops = &mtk_vdec_vb2_ops;
dst_vq->mem_ops = &vb2_dma_contig_memops;
dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
dst_vq->lock = &ctx->dev->dev_mutex;
dst_vq->dev = &ctx->dev->plat_dev->dev;
ret = vb2_queue_init(dst_vq);
if (ret) {
vb2_queue_release(src_vq);
mtk_v4l2_err("Failed to initialize videobuf2 queue(capture)");
}
return ret;
}
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