#include <linux/clk.h>
#include <linux/err.h>
#include <linux/interrupt.h>
#include <linux/io.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/of_platform.h>
#include <linux/platform_device.h>
#include <linux/pm_runtime.h>
#include <linux/slab.h>
#include <linux/spinlock.h>
#include <media/v4l2-event.h>
#include <media/v4l2-mem2mem.h>
#include <media/v4l2-ioctl.h>
#include <media/videobuf2-core.h>
#include <media/videobuf2-dma-contig.h>
#include "mtk_jpeg_enc_hw.h"
#include "mtk_jpeg_dec_hw.h"
#include "mtk_jpeg_core.h"
#include "mtk_jpeg_dec_parse.h"
static struct mtk_jpeg_fmt mtk_jpeg_enc_formats[] = {
{
.fourcc = V4L2_PIX_FMT_JPEG,
.colplanes = 1,
.flags = MTK_JPEG_FMT_FLAG_CAPTURE,
},
{
.fourcc = V4L2_PIX_FMT_NV12M,
.hw_format = JPEG_ENC_YUV_FORMAT_NV12,
.h_sample = {4, 4},
.v_sample = {4, 2},
.colplanes = 2,
.h_align = 4,
.v_align = 4,
.flags = MTK_JPEG_FMT_FLAG_OUTPUT,
},
{
.fourcc = V4L2_PIX_FMT_NV21M,
.hw_format = JEPG_ENC_YUV_FORMAT_NV21,
.h_sample = {4, 4},
.v_sample = {4, 2},
.colplanes = 2,
.h_align = 4,
.v_align = 4,
.flags = MTK_JPEG_FMT_FLAG_OUTPUT,
},
{
.fourcc = V4L2_PIX_FMT_YUYV,
.hw_format = JPEG_ENC_YUV_FORMAT_YUYV,
.h_sample = {8},
.v_sample = {4},
.colplanes = 1,
.h_align = 5,
.v_align = 3,
.flags = MTK_JPEG_FMT_FLAG_OUTPUT,
},
{
.fourcc = V4L2_PIX_FMT_YVYU,
.hw_format = JPEG_ENC_YUV_FORMAT_YVYU,
.h_sample = {8},
.v_sample = {4},
.colplanes = 1,
.h_align = 5,
.v_align = 3,
.flags = MTK_JPEG_FMT_FLAG_OUTPUT,
},
};
static struct mtk_jpeg_fmt mtk_jpeg_dec_formats[] = {
{
.fourcc = V4L2_PIX_FMT_JPEG,
.colplanes = 1,
.flags = MTK_JPEG_FMT_FLAG_OUTPUT,
},
{
.fourcc = V4L2_PIX_FMT_YUV420M,
.h_sample = {4, 2, 2},
.v_sample = {4, 2, 2},
.colplanes = 3,
.h_align = 5,
.v_align = 4,
.flags = MTK_JPEG_FMT_FLAG_CAPTURE,
},
{
.fourcc = V4L2_PIX_FMT_YUV422M,
.h_sample = {4, 2, 2},
.v_sample = {4, 4, 4},
.colplanes = 3,
.h_align = 5,
.v_align = 3,
.flags = MTK_JPEG_FMT_FLAG_CAPTURE,
},
};
#define MTK_JPEG_ENC_NUM_FORMATS ARRAY_SIZE(mtk_jpeg_enc_formats)
#define MTK_JPEG_DEC_NUM_FORMATS ARRAY_SIZE(mtk_jpeg_dec_formats)
#define MTK_JPEG_MAX_RETRY_TIME 5000
enum {
MTK_JPEG_BUF_FLAGS_INIT = 0,
MTK_JPEG_BUF_FLAGS_LAST_FRAME = 1,
};
static int debug;
module_param(debug, int, 0644);
static inline struct mtk_jpeg_ctx *ctrl_to_ctx(struct v4l2_ctrl *ctrl)
{
return container_of(ctrl->handler, struct mtk_jpeg_ctx, ctrl_hdl);
}
static inline struct mtk_jpeg_ctx *mtk_jpeg_file_to_ctx(struct file *filp)
{
return container_of(file_to_v4l2_fh(filp), struct mtk_jpeg_ctx, fh);
}
static inline struct mtk_jpeg_src_buf *mtk_jpeg_vb2_to_srcbuf(
struct vb2_buffer *vb)
{
return container_of(to_vb2_v4l2_buffer(vb), struct mtk_jpeg_src_buf, b);
}
static int mtk_jpeg_querycap(struct file *file, void *priv,
struct v4l2_capability *cap)
{
struct mtk_jpeg_dev *jpeg = video_drvdata(file);
strscpy(cap->driver, jpeg->variant->dev_name, sizeof(cap->driver));
strscpy(cap->card, jpeg->variant->dev_name, sizeof(cap->card));
return 0;
}
static int vidioc_jpeg_enc_s_ctrl(struct v4l2_ctrl *ctrl)
{
struct mtk_jpeg_ctx *ctx = ctrl_to_ctx(ctrl);
switch (ctrl->id) {
case V4L2_CID_JPEG_RESTART_INTERVAL:
ctx->restart_interval = ctrl->val;
break;
case V4L2_CID_JPEG_COMPRESSION_QUALITY:
ctx->enc_quality = ctrl->val;
break;
case V4L2_CID_JPEG_ACTIVE_MARKER:
ctx->enable_exif = ctrl->val & V4L2_JPEG_ACTIVE_MARKER_APP1;
break;
}
return 0;
}
static const struct v4l2_ctrl_ops mtk_jpeg_enc_ctrl_ops = {
.s_ctrl = vidioc_jpeg_enc_s_ctrl,
};
static int mtk_jpeg_enc_ctrls_setup(struct mtk_jpeg_ctx *ctx)
{
const struct v4l2_ctrl_ops *ops = &mtk_jpeg_enc_ctrl_ops;
struct v4l2_ctrl_handler *handler = &ctx->ctrl_hdl;
v4l2_ctrl_handler_init(handler, 3);
v4l2_ctrl_new_std(handler, ops, V4L2_CID_JPEG_RESTART_INTERVAL, 0, 100,
1, 0);
v4l2_ctrl_new_std(handler, ops, V4L2_CID_JPEG_COMPRESSION_QUALITY, 48,
100, 1, 90);
v4l2_ctrl_new_std(handler, ops, V4L2_CID_JPEG_ACTIVE_MARKER, 0,
V4L2_JPEG_ACTIVE_MARKER_APP1, 0, 0);
if (handler->error) {
v4l2_ctrl_handler_free(&ctx->ctrl_hdl);
return handler->error;
}
v4l2_ctrl_handler_setup(&ctx->ctrl_hdl);
return 0;
}
static int mtk_jpeg_enum_fmt(struct mtk_jpeg_fmt *mtk_jpeg_formats, int n,
struct v4l2_fmtdesc *f, u32 type)
{
int i, num = 0;
for (i = 0; i < n; ++i) {
if (mtk_jpeg_formats[i].flags & type) {
if (num == f->index)
break;
++num;
}
}
if (i >= n)
return -EINVAL;
f->pixelformat = mtk_jpeg_formats[i].fourcc;
return 0;
}
static int mtk_jpeg_enum_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_fmtdesc *f)
{
struct mtk_jpeg_ctx *ctx = mtk_jpeg_file_to_ctx(file);
struct mtk_jpeg_dev *jpeg = ctx->jpeg;
return mtk_jpeg_enum_fmt(jpeg->variant->formats,
jpeg->variant->num_formats, f,
MTK_JPEG_FMT_FLAG_CAPTURE);
}
static int mtk_jpeg_enum_fmt_vid_out(struct file *file, void *priv,
struct v4l2_fmtdesc *f)
{
struct mtk_jpeg_ctx *ctx = mtk_jpeg_file_to_ctx(file);
struct mtk_jpeg_dev *jpeg = ctx->jpeg;
return mtk_jpeg_enum_fmt(jpeg->variant->formats,
jpeg->variant->num_formats, f,
MTK_JPEG_FMT_FLAG_OUTPUT);
}
static struct mtk_jpeg_q_data *mtk_jpeg_get_q_data(struct mtk_jpeg_ctx *ctx,
enum v4l2_buf_type type)
{
if (V4L2_TYPE_IS_OUTPUT(type))
return &ctx->out_q;
return &ctx->cap_q;
}
static struct mtk_jpeg_fmt *
mtk_jpeg_find_format(struct mtk_jpeg_fmt *mtk_jpeg_formats, int num_formats,
u32 pixelformat, unsigned int fmt_type)
{
unsigned int k;
struct mtk_jpeg_fmt *fmt;
for (k = 0; k < num_formats; k++) {
fmt = &mtk_jpeg_formats[k];
if (fmt->fourcc == pixelformat && fmt->flags & fmt_type)
return fmt;
}
return NULL;
}
static int mtk_jpeg_try_fmt_mplane(struct v4l2_pix_format_mplane *pix_mp,
struct mtk_jpeg_fmt *fmt)
{
int i;
pix_mp->field = V4L2_FIELD_NONE;
pix_mp->num_planes = fmt->colplanes;
pix_mp->pixelformat = fmt->fourcc;
if (fmt->fourcc == V4L2_PIX_FMT_JPEG) {
struct v4l2_plane_pix_format *pfmt = &pix_mp->plane_fmt[0];
pix_mp->height = clamp(pix_mp->height, MTK_JPEG_MIN_HEIGHT,
MTK_JPEG_MAX_HEIGHT);
pix_mp->width = clamp(pix_mp->width, MTK_JPEG_MIN_WIDTH,
MTK_JPEG_MAX_WIDTH);
pfmt->bytesperline = 0;
pfmt->sizeimage = round_up(pfmt->sizeimage, 128);
if (pfmt->sizeimage == 0)
pfmt->sizeimage = MTK_JPEG_DEFAULT_SIZEIMAGE;
return 0;
}
pix_mp->height = clamp(round_up(pix_mp->height, fmt->v_align),
MTK_JPEG_MIN_HEIGHT, MTK_JPEG_MAX_HEIGHT);
pix_mp->width = clamp(round_up(pix_mp->width, fmt->h_align),
MTK_JPEG_MIN_WIDTH, MTK_JPEG_MAX_WIDTH);
for (i = 0; i < fmt->colplanes; i++) {
struct v4l2_plane_pix_format *pfmt = &pix_mp->plane_fmt[i];
u32 stride = pix_mp->width * fmt->h_sample[i] / 4;
u32 h = pix_mp->height * fmt->v_sample[i] / 4;
pfmt->bytesperline = stride;
pfmt->sizeimage = stride * h;
}
return 0;
}
static int mtk_jpeg_g_fmt_vid_mplane(struct file *file, void *priv,
struct v4l2_format *f)
{
struct mtk_jpeg_q_data *q_data = NULL;
struct v4l2_pix_format_mplane *pix_mp = &f->fmt.pix_mp;
struct mtk_jpeg_ctx *ctx = mtk_jpeg_file_to_ctx(file);
struct mtk_jpeg_dev *jpeg = ctx->jpeg;
int i;
q_data = mtk_jpeg_get_q_data(ctx, f->type);
pix_mp->width = q_data->pix_mp.width;
pix_mp->height = q_data->pix_mp.height;
pix_mp->field = V4L2_FIELD_NONE;
pix_mp->pixelformat = q_data->fmt->fourcc;
pix_mp->num_planes = q_data->fmt->colplanes;
pix_mp->colorspace = q_data->pix_mp.colorspace;
pix_mp->ycbcr_enc = q_data->pix_mp.ycbcr_enc;
pix_mp->xfer_func = q_data->pix_mp.xfer_func;
pix_mp->quantization = q_data->pix_mp.quantization;
v4l2_dbg(1, debug, &jpeg->v4l2_dev, "(%d) g_fmt:%c%c%c%c wxh:%ux%u\n",
f->type,
(pix_mp->pixelformat & 0xff),
(pix_mp->pixelformat >> 8 & 0xff),
(pix_mp->pixelformat >> 16 & 0xff),
(pix_mp->pixelformat >> 24 & 0xff),
pix_mp->width, pix_mp->height);
for (i = 0; i < pix_mp->num_planes; i++) {
struct v4l2_plane_pix_format *pfmt = &pix_mp->plane_fmt[i];
pfmt->bytesperline = q_data->pix_mp.plane_fmt[i].bytesperline;
pfmt->sizeimage = q_data->pix_mp.plane_fmt[i].sizeimage;
v4l2_dbg(1, debug, &jpeg->v4l2_dev,
"plane[%d] bpl=%u, size=%u\n",
i,
pfmt->bytesperline,
pfmt->sizeimage);
}
return 0;
}
static int mtk_jpeg_try_fmt_vid_cap_mplane(struct file *file, void *priv,
struct v4l2_format *f)
{
struct mtk_jpeg_ctx *ctx = mtk_jpeg_file_to_ctx(file);
struct mtk_jpeg_dev *jpeg = ctx->jpeg;
struct mtk_jpeg_fmt *fmt;
fmt = mtk_jpeg_find_format(jpeg->variant->formats,
jpeg->variant->num_formats,
f->fmt.pix_mp.pixelformat,
MTK_JPEG_FMT_FLAG_CAPTURE);
if (!fmt)
fmt = ctx->cap_q.fmt;
v4l2_dbg(2, debug, &ctx->jpeg->v4l2_dev, "(%d) try_fmt:%c%c%c%c\n",
f->type,
(fmt->fourcc & 0xff),
(fmt->fourcc >> 8 & 0xff),
(fmt->fourcc >> 16 & 0xff),
(fmt->fourcc >> 24 & 0xff));
if (ctx->state != MTK_JPEG_INIT) {
mtk_jpeg_g_fmt_vid_mplane(file, priv, f);
return 0;
}
return mtk_jpeg_try_fmt_mplane(&f->fmt.pix_mp, fmt);
}
static int mtk_jpeg_try_fmt_vid_out_mplane(struct file *file, void *priv,
struct v4l2_format *f)
{
struct mtk_jpeg_ctx *ctx = mtk_jpeg_file_to_ctx(file);
struct mtk_jpeg_dev *jpeg = ctx->jpeg;
struct mtk_jpeg_fmt *fmt;
fmt = mtk_jpeg_find_format(jpeg->variant->formats,
jpeg->variant->num_formats,
f->fmt.pix_mp.pixelformat,
MTK_JPEG_FMT_FLAG_OUTPUT);
if (!fmt)
fmt = ctx->out_q.fmt;
v4l2_dbg(2, debug, &ctx->jpeg->v4l2_dev, "(%d) try_fmt:%c%c%c%c\n",
f->type,
(fmt->fourcc & 0xff),
(fmt->fourcc >> 8 & 0xff),
(fmt->fourcc >> 16 & 0xff),
(fmt->fourcc >> 24 & 0xff));
if (ctx->state != MTK_JPEG_INIT) {
mtk_jpeg_g_fmt_vid_mplane(file, priv, f);
return 0;
}
return mtk_jpeg_try_fmt_mplane(&f->fmt.pix_mp, fmt);
}
static int mtk_jpeg_s_fmt_mplane(struct mtk_jpeg_ctx *ctx,
struct v4l2_format *f, unsigned int fmt_type)
{
struct vb2_queue *vq;
struct mtk_jpeg_q_data *q_data = NULL;
struct v4l2_pix_format_mplane *pix_mp = &f->fmt.pix_mp;
struct mtk_jpeg_dev *jpeg = ctx->jpeg;
int i;
vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, f->type);
q_data = mtk_jpeg_get_q_data(ctx, f->type);
if (vb2_is_busy(vq)) {
v4l2_err(&jpeg->v4l2_dev, "queue busy\n");
return -EBUSY;
}
q_data->fmt = mtk_jpeg_find_format(jpeg->variant->formats,
jpeg->variant->num_formats,
pix_mp->pixelformat, fmt_type);
q_data->pix_mp.width = pix_mp->width;
q_data->pix_mp.height = pix_mp->height;
q_data->enc_crop_rect.width = pix_mp->width;
q_data->enc_crop_rect.height = pix_mp->height;
q_data->pix_mp.colorspace = V4L2_COLORSPACE_SRGB;
q_data->pix_mp.ycbcr_enc = V4L2_YCBCR_ENC_601;
q_data->pix_mp.xfer_func = V4L2_XFER_FUNC_SRGB;
q_data->pix_mp.quantization = V4L2_QUANTIZATION_FULL_RANGE;
v4l2_dbg(1, debug, &jpeg->v4l2_dev, "(%d) s_fmt:%c%c%c%c wxh:%ux%u\n",
f->type,
(q_data->fmt->fourcc & 0xff),
(q_data->fmt->fourcc >> 8 & 0xff),
(q_data->fmt->fourcc >> 16 & 0xff),
(q_data->fmt->fourcc >> 24 & 0xff),
q_data->pix_mp.width, q_data->pix_mp.height);
for (i = 0; i < q_data->fmt->colplanes; i++) {
q_data->pix_mp.plane_fmt[i].bytesperline =
pix_mp->plane_fmt[i].bytesperline;
q_data->pix_mp.plane_fmt[i].sizeimage =
pix_mp->plane_fmt[i].sizeimage;
v4l2_dbg(1, debug, &jpeg->v4l2_dev,
"plane[%d] bpl=%u, size=%u\n",
i, q_data->pix_mp.plane_fmt[i].bytesperline,
q_data->pix_mp.plane_fmt[i].sizeimage);
}
return 0;
}
static int mtk_jpeg_s_fmt_vid_out_mplane(struct file *file, void *priv,
struct v4l2_format *f)
{
int ret;
ret = mtk_jpeg_try_fmt_vid_out_mplane(file, priv, f);
if (ret)
return ret;
return mtk_jpeg_s_fmt_mplane(mtk_jpeg_file_to_ctx(file), f,
MTK_JPEG_FMT_FLAG_OUTPUT);
}
static int mtk_jpeg_s_fmt_vid_cap_mplane(struct file *file, void *priv,
struct v4l2_format *f)
{
int ret;
ret = mtk_jpeg_try_fmt_vid_cap_mplane(file, priv, f);
if (ret)
return ret;
return mtk_jpeg_s_fmt_mplane(mtk_jpeg_file_to_ctx(file), f,
MTK_JPEG_FMT_FLAG_CAPTURE);
}
static void mtk_jpeg_queue_src_chg_event(struct mtk_jpeg_ctx *ctx)
{
static const struct v4l2_event ev_src_ch = {
.type = V4L2_EVENT_SOURCE_CHANGE,
.u.src_change.changes =
V4L2_EVENT_SRC_CH_RESOLUTION,
};
v4l2_event_queue_fh(&ctx->fh, &ev_src_ch);
}
static int mtk_jpeg_subscribe_event(struct v4l2_fh *fh,
const struct v4l2_event_subscription *sub)
{
switch (sub->type) {
case V4L2_EVENT_SOURCE_CHANGE:
return v4l2_src_change_event_subscribe(fh, sub);
}
return v4l2_ctrl_subscribe_event(fh, sub);
}
static int mtk_jpeg_enc_g_selection(struct file *file, void *priv,
struct v4l2_selection *s)
{
struct mtk_jpeg_ctx *ctx = mtk_jpeg_file_to_ctx(file);
if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
return -EINVAL;
switch (s->target) {
case V4L2_SEL_TGT_CROP:
s->r = ctx->out_q.enc_crop_rect;
break;
case V4L2_SEL_TGT_CROP_BOUNDS:
case V4L2_SEL_TGT_CROP_DEFAULT:
s->r.width = ctx->out_q.pix_mp.width;
s->r.height = ctx->out_q.pix_mp.height;
s->r.left = 0;
s->r.top = 0;
break;
default:
return -EINVAL;
}
return 0;
}
static int mtk_jpeg_dec_g_selection(struct file *file, void *priv,
struct v4l2_selection *s)
{
struct mtk_jpeg_ctx *ctx = mtk_jpeg_file_to_ctx(file);
if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL;
switch (s->target) {
case V4L2_SEL_TGT_COMPOSE:
case V4L2_SEL_TGT_COMPOSE_DEFAULT:
s->r.width = ctx->out_q.pix_mp.width;
s->r.height = ctx->out_q.pix_mp.height;
s->r.left = 0;
s->r.top = 0;
break;
case V4L2_SEL_TGT_COMPOSE_BOUNDS:
case V4L2_SEL_TGT_COMPOSE_PADDED:
s->r.width = ctx->cap_q.pix_mp.width;
s->r.height = ctx->cap_q.pix_mp.height;
s->r.left = 0;
s->r.top = 0;
break;
default:
return -EINVAL;
}
return 0;
}
static int mtk_jpeg_enc_s_selection(struct file *file, void *priv,
struct v4l2_selection *s)
{
struct mtk_jpeg_ctx *ctx = mtk_jpeg_file_to_ctx(file);
if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
return -EINVAL;
switch (s->target) {
case V4L2_SEL_TGT_CROP:
s->r.left = 0;
s->r.top = 0;
s->r.width = min(s->r.width, ctx->out_q.pix_mp.width);
s->r.height = min(s->r.height, ctx->out_q.pix_mp.height);
ctx->out_q.enc_crop_rect = s->r;
break;
default:
return -EINVAL;
}
return 0;
}
static int mtk_jpeg_qbuf(struct file *file, void *priv, struct v4l2_buffer *buf)
{
struct v4l2_fh *fh = file_to_v4l2_fh(file);
struct mtk_jpeg_ctx *ctx = mtk_jpeg_file_to_ctx(file);
struct vb2_queue *vq;
struct vb2_buffer *vb;
struct mtk_jpeg_src_buf *jpeg_src_buf;
if (buf->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
goto end;
vq = v4l2_m2m_get_vq(fh->m2m_ctx, buf->type);
vb = vb2_get_buffer(vq, buf->index);
if (!vb) {
dev_err(ctx->jpeg->dev, "buffer not found\n");
return -EINVAL;
}
jpeg_src_buf = mtk_jpeg_vb2_to_srcbuf(vb);
jpeg_src_buf->bs_size = buf->m.planes[0].bytesused;
end:
return v4l2_m2m_qbuf(file, fh->m2m_ctx, buf);
}
static const struct v4l2_ioctl_ops mtk_jpeg_enc_ioctl_ops = {
.vidioc_querycap = mtk_jpeg_querycap,
.vidioc_enum_fmt_vid_cap = mtk_jpeg_enum_fmt_vid_cap,
.vidioc_enum_fmt_vid_out = mtk_jpeg_enum_fmt_vid_out,
.vidioc_try_fmt_vid_cap_mplane = mtk_jpeg_try_fmt_vid_cap_mplane,
.vidioc_try_fmt_vid_out_mplane = mtk_jpeg_try_fmt_vid_out_mplane,
.vidioc_g_fmt_vid_cap_mplane = mtk_jpeg_g_fmt_vid_mplane,
.vidioc_g_fmt_vid_out_mplane = mtk_jpeg_g_fmt_vid_mplane,
.vidioc_s_fmt_vid_cap_mplane = mtk_jpeg_s_fmt_vid_cap_mplane,
.vidioc_s_fmt_vid_out_mplane = mtk_jpeg_s_fmt_vid_out_mplane,
.vidioc_qbuf = v4l2_m2m_ioctl_qbuf,
.vidioc_subscribe_event = mtk_jpeg_subscribe_event,
.vidioc_g_selection = mtk_jpeg_enc_g_selection,
.vidioc_s_selection = mtk_jpeg_enc_s_selection,
.vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs,
.vidioc_prepare_buf = v4l2_m2m_ioctl_prepare_buf,
.vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs,
.vidioc_querybuf = v4l2_m2m_ioctl_querybuf,
.vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf,
.vidioc_expbuf = v4l2_m2m_ioctl_expbuf,
.vidioc_streamon = v4l2_m2m_ioctl_streamon,
.vidioc_streamoff = v4l2_m2m_ioctl_streamoff,
.vidioc_unsubscribe_event = v4l2_event_unsubscribe,
.vidioc_encoder_cmd = v4l2_m2m_ioctl_encoder_cmd,
.vidioc_try_encoder_cmd = v4l2_m2m_ioctl_try_encoder_cmd,
};
static const struct v4l2_ioctl_ops mtk_jpeg_dec_ioctl_ops = {
.vidioc_querycap = mtk_jpeg_querycap,
.vidioc_enum_fmt_vid_cap = mtk_jpeg_enum_fmt_vid_cap,
.vidioc_enum_fmt_vid_out = mtk_jpeg_enum_fmt_vid_out,
.vidioc_try_fmt_vid_cap_mplane = mtk_jpeg_try_fmt_vid_cap_mplane,
.vidioc_try_fmt_vid_out_mplane = mtk_jpeg_try_fmt_vid_out_mplane,
.vidioc_g_fmt_vid_cap_mplane = mtk_jpeg_g_fmt_vid_mplane,
.vidioc_g_fmt_vid_out_mplane = mtk_jpeg_g_fmt_vid_mplane,
.vidioc_s_fmt_vid_cap_mplane = mtk_jpeg_s_fmt_vid_cap_mplane,
.vidioc_s_fmt_vid_out_mplane = mtk_jpeg_s_fmt_vid_out_mplane,
.vidioc_qbuf = mtk_jpeg_qbuf,
.vidioc_subscribe_event = mtk_jpeg_subscribe_event,
.vidioc_g_selection = mtk_jpeg_dec_g_selection,
.vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs,
.vidioc_prepare_buf = v4l2_m2m_ioctl_prepare_buf,
.vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs,
.vidioc_querybuf = v4l2_m2m_ioctl_querybuf,
.vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf,
.vidioc_expbuf = v4l2_m2m_ioctl_expbuf,
.vidioc_streamon = v4l2_m2m_ioctl_streamon,
.vidioc_streamoff = v4l2_m2m_ioctl_streamoff,
.vidioc_unsubscribe_event = v4l2_event_unsubscribe,
.vidioc_decoder_cmd = v4l2_m2m_ioctl_decoder_cmd,
.vidioc_try_decoder_cmd = v4l2_m2m_ioctl_try_decoder_cmd,
};
static int mtk_jpeg_queue_setup(struct vb2_queue *q,
unsigned int *num_buffers,
unsigned int *num_planes,
unsigned int sizes[],
struct device *alloc_ctxs[])
{
struct mtk_jpeg_ctx *ctx = vb2_get_drv_priv(q);
struct mtk_jpeg_q_data *q_data = NULL;
struct mtk_jpeg_dev *jpeg = ctx->jpeg;
int i;
v4l2_dbg(1, debug, &jpeg->v4l2_dev, "(%d) buf_req count=%u\n",
q->type, *num_buffers);
q_data = mtk_jpeg_get_q_data(ctx, q->type);
if (!q_data)
return -EINVAL;
if (*num_planes) {
for (i = 0; i < *num_planes; i++)
if (sizes[i] < q_data->pix_mp.plane_fmt[i].sizeimage)
return -EINVAL;
return 0;
}
*num_planes = q_data->fmt->colplanes;
for (i = 0; i < q_data->fmt->colplanes; i++) {
sizes[i] = q_data->pix_mp.plane_fmt[i].sizeimage;
v4l2_dbg(1, debug, &jpeg->v4l2_dev, "sizeimage[%d]=%u\n",
i, sizes[i]);
}
return 0;
}
static int mtk_jpeg_buf_prepare(struct vb2_buffer *vb)
{
struct mtk_jpeg_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
struct mtk_jpeg_q_data *q_data = NULL;
struct v4l2_plane_pix_format plane_fmt = {};
int i;
q_data = mtk_jpeg_get_q_data(ctx, vb->vb2_queue->type);
if (!q_data)
return -EINVAL;
for (i = 0; i < q_data->fmt->colplanes; i++) {
plane_fmt = q_data->pix_mp.plane_fmt[i];
if (ctx->enable_exif &&
q_data->fmt->fourcc == V4L2_PIX_FMT_JPEG)
vb2_set_plane_payload(vb, i, plane_fmt.sizeimage +
MTK_JPEG_MAX_EXIF_SIZE);
else
vb2_set_plane_payload(vb, i, plane_fmt.sizeimage);
}
return 0;
}
static bool mtk_jpeg_check_resolution_change(struct mtk_jpeg_ctx *ctx,
struct mtk_jpeg_dec_param *param)
{
struct mtk_jpeg_dev *jpeg = ctx->jpeg;
struct mtk_jpeg_q_data *q_data;
q_data = &ctx->out_q;
if (q_data->pix_mp.width != param->pic_w ||
q_data->pix_mp.height != param->pic_h) {
v4l2_dbg(1, debug, &jpeg->v4l2_dev, "Picture size change\n");
return true;
}
q_data = &ctx->cap_q;
if (q_data->fmt !=
mtk_jpeg_find_format(jpeg->variant->formats,
jpeg->variant->num_formats, param->dst_fourcc,
MTK_JPEG_FMT_FLAG_CAPTURE)) {
v4l2_dbg(1, debug, &jpeg->v4l2_dev, "format change\n");
return true;
}
return false;
}
static void mtk_jpeg_set_queue_data(struct mtk_jpeg_ctx *ctx,
struct mtk_jpeg_dec_param *param)
{
struct mtk_jpeg_dev *jpeg = ctx->jpeg;
struct mtk_jpeg_q_data *q_data;
int i;
q_data = &ctx->out_q;
q_data->pix_mp.width = param->pic_w;
q_data->pix_mp.height = param->pic_h;
q_data = &ctx->cap_q;
q_data->pix_mp.width = param->dec_w;
q_data->pix_mp.height = param->dec_h;
q_data->fmt = mtk_jpeg_find_format(jpeg->variant->formats,
jpeg->variant->num_formats,
param->dst_fourcc,
MTK_JPEG_FMT_FLAG_CAPTURE);
for (i = 0; i < q_data->fmt->colplanes; i++) {
q_data->pix_mp.plane_fmt[i].bytesperline = param->mem_stride[i];
q_data->pix_mp.plane_fmt[i].sizeimage = param->comp_size[i];
}
v4l2_dbg(1, debug, &jpeg->v4l2_dev,
"set_parse cap:%c%c%c%c pic(%u, %u), buf(%u, %u)\n",
(param->dst_fourcc & 0xff),
(param->dst_fourcc >> 8 & 0xff),
(param->dst_fourcc >> 16 & 0xff),
(param->dst_fourcc >> 24 & 0xff),
param->pic_w, param->pic_h,
param->dec_w, param->dec_h);
}
static void mtk_jpeg_enc_buf_queue(struct vb2_buffer *vb)
{
struct mtk_jpeg_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
struct mtk_jpeg_dev *jpeg = ctx->jpeg;
v4l2_dbg(2, debug, &jpeg->v4l2_dev, "(%d) buf_q id=%d, vb=%p\n",
vb->vb2_queue->type, vb->index, vb);
v4l2_m2m_buf_queue(ctx->fh.m2m_ctx, to_vb2_v4l2_buffer(vb));
}
static void mtk_jpeg_dec_buf_queue(struct vb2_buffer *vb)
{
struct mtk_jpeg_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
struct mtk_jpeg_dec_param *param;
struct mtk_jpeg_dev *jpeg = ctx->jpeg;
struct mtk_jpeg_src_buf *jpeg_src_buf;
bool header_valid;
v4l2_dbg(2, debug, &jpeg->v4l2_dev, "(%d) buf_q id=%d, vb=%p\n",
vb->vb2_queue->type, vb->index, vb);
if (vb->vb2_queue->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
goto end;
jpeg_src_buf = mtk_jpeg_vb2_to_srcbuf(vb);
param = &jpeg_src_buf->dec_param;
memset(param, 0, sizeof(*param));
header_valid = mtk_jpeg_parse(param, (u8 *)vb2_plane_vaddr(vb, 0),
vb2_get_plane_payload(vb, 0));
if (!header_valid) {
v4l2_err(&jpeg->v4l2_dev, "Header invalid.\n");
vb2_buffer_done(vb, VB2_BUF_STATE_ERROR);
return;
}
if (ctx->state == MTK_JPEG_INIT) {
struct vb2_queue *dst_vq = v4l2_m2m_get_vq(
ctx->fh.m2m_ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
mtk_jpeg_queue_src_chg_event(ctx);
mtk_jpeg_set_queue_data(ctx, param);
ctx->state = vb2_is_streaming(dst_vq) ?
MTK_JPEG_SOURCE_CHANGE : MTK_JPEG_RUNNING;
}
end:
v4l2_m2m_buf_queue(ctx->fh.m2m_ctx, to_vb2_v4l2_buffer(vb));
}
static struct vb2_v4l2_buffer *mtk_jpeg_buf_remove(struct mtk_jpeg_ctx *ctx,
enum v4l2_buf_type type)
{
if (V4L2_TYPE_IS_OUTPUT(type))
return v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx);
else
return v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx);
}
static void mtk_jpeg_enc_stop_streaming(struct vb2_queue *q)
{
struct mtk_jpeg_ctx *ctx = vb2_get_drv_priv(q);
struct vb2_v4l2_buffer *vb;
while ((vb = mtk_jpeg_buf_remove(ctx, q->type)))
v4l2_m2m_buf_done(vb, VB2_BUF_STATE_ERROR);
}
static void mtk_jpeg_dec_stop_streaming(struct vb2_queue *q)
{
struct mtk_jpeg_ctx *ctx = vb2_get_drv_priv(q);
struct vb2_v4l2_buffer *vb;
if (ctx->state == MTK_JPEG_SOURCE_CHANGE &&
V4L2_TYPE_IS_CAPTURE(q->type)) {
struct mtk_jpeg_src_buf *src_buf;
vb = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx);
src_buf = mtk_jpeg_vb2_to_srcbuf(&vb->vb2_buf);
mtk_jpeg_set_queue_data(ctx, &src_buf->dec_param);
ctx->state = MTK_JPEG_RUNNING;
} else if (V4L2_TYPE_IS_OUTPUT(q->type)) {
ctx->state = MTK_JPEG_INIT;
}
while ((vb = mtk_jpeg_buf_remove(ctx, q->type)))
v4l2_m2m_buf_done(vb, VB2_BUF_STATE_ERROR);
}
static const struct vb2_ops mtk_jpeg_dec_qops = {
.queue_setup = mtk_jpeg_queue_setup,
.buf_prepare = mtk_jpeg_buf_prepare,
.buf_queue = mtk_jpeg_dec_buf_queue,
.stop_streaming = mtk_jpeg_dec_stop_streaming,
};
static const struct vb2_ops mtk_jpeg_enc_qops = {
.queue_setup = mtk_jpeg_queue_setup,
.buf_prepare = mtk_jpeg_buf_prepare,
.buf_queue = mtk_jpeg_enc_buf_queue,
.stop_streaming = mtk_jpeg_enc_stop_streaming,
};
static void mtk_jpeg_set_dec_src(struct mtk_jpeg_ctx *ctx,
struct vb2_buffer *src_buf,
struct mtk_jpeg_bs *bs)
{
bs->str_addr = vb2_dma_contig_plane_dma_addr(src_buf, 0);
bs->end_addr = bs->str_addr +
round_up(vb2_get_plane_payload(src_buf, 0), 16);
bs->size = round_up(vb2_plane_size(src_buf, 0), 128);
}
static int mtk_jpeg_set_dec_dst(struct mtk_jpeg_ctx *ctx,
struct mtk_jpeg_dec_param *param,
struct vb2_buffer *dst_buf,
struct mtk_jpeg_fb *fb)
{
int i;
if (param->comp_num != dst_buf->num_planes) {
dev_err(ctx->jpeg->dev, "plane number mismatch (%u != %u)\n",
param->comp_num, dst_buf->num_planes);
return -EINVAL;
}
for (i = 0; i < dst_buf->num_planes; i++) {
if (vb2_plane_size(dst_buf, i) < param->comp_size[i]) {
dev_err(ctx->jpeg->dev,
"buffer size is underflow (%lu < %u)\n",
vb2_plane_size(dst_buf, 0),
param->comp_size[i]);
return -EINVAL;
}
fb->plane_addr[i] = vb2_dma_contig_plane_dma_addr(dst_buf, i);
}
return 0;
}
static void mtk_jpeg_enc_device_run(void *priv)
{
struct mtk_jpeg_ctx *ctx = priv;
struct mtk_jpeg_dev *jpeg = ctx->jpeg;
struct vb2_v4l2_buffer *src_buf, *dst_buf;
enum vb2_buffer_state buf_state = VB2_BUF_STATE_ERROR;
unsigned long flags;
int ret;
src_buf = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx);
dst_buf = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx);
ret = pm_runtime_resume_and_get(jpeg->dev);
if (ret < 0)
goto enc_end;
schedule_delayed_work(&jpeg->job_timeout_work,
msecs_to_jiffies(MTK_JPEG_HW_TIMEOUT_MSEC));
spin_lock_irqsave(&jpeg->hw_lock, flags);
mtk_jpeg_enc_reset(jpeg->reg_base);
mtk_jpeg_set_enc_src(ctx, jpeg->reg_base, &src_buf->vb2_buf);
mtk_jpeg_set_enc_dst(ctx, jpeg->reg_base, &dst_buf->vb2_buf);
mtk_jpeg_set_enc_params(ctx, jpeg->reg_base);
mtk_jpeg_enc_start(jpeg->reg_base);
spin_unlock_irqrestore(&jpeg->hw_lock, flags);
return;
enc_end:
v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx);
v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx);
v4l2_m2m_buf_done(src_buf, buf_state);
v4l2_m2m_buf_done(dst_buf, buf_state);
v4l2_m2m_job_finish(jpeg->m2m_dev, ctx->fh.m2m_ctx);
}
static void mtk_jpeg_multicore_enc_device_run(void *priv)
{
struct mtk_jpeg_ctx *ctx = priv;
struct mtk_jpeg_dev *jpeg = ctx->jpeg;
queue_work(jpeg->workqueue, &ctx->jpeg_work);
}
static void mtk_jpeg_multicore_dec_device_run(void *priv)
{
struct mtk_jpeg_ctx *ctx = priv;
struct mtk_jpeg_dev *jpeg = ctx->jpeg;
queue_work(jpeg->workqueue, &ctx->jpeg_work);
}
static void mtk_jpeg_dec_device_run(void *priv)
{
struct mtk_jpeg_ctx *ctx = priv;
struct mtk_jpeg_dev *jpeg = ctx->jpeg;
struct vb2_v4l2_buffer *src_buf, *dst_buf;
enum vb2_buffer_state buf_state = VB2_BUF_STATE_ERROR;
unsigned long flags;
struct mtk_jpeg_src_buf *jpeg_src_buf;
struct mtk_jpeg_bs bs;
struct mtk_jpeg_fb fb;
int ret;
src_buf = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx);
dst_buf = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx);
jpeg_src_buf = mtk_jpeg_vb2_to_srcbuf(&src_buf->vb2_buf);
if (mtk_jpeg_check_resolution_change(ctx, &jpeg_src_buf->dec_param)) {
mtk_jpeg_queue_src_chg_event(ctx);
ctx->state = MTK_JPEG_SOURCE_CHANGE;
v4l2_m2m_job_finish(jpeg->m2m_dev, ctx->fh.m2m_ctx);
return;
}
ret = pm_runtime_resume_and_get(jpeg->dev);
if (ret < 0)
goto dec_end;
mtk_jpeg_set_dec_src(ctx, &src_buf->vb2_buf, &bs);
if (mtk_jpeg_set_dec_dst(ctx, &jpeg_src_buf->dec_param, &dst_buf->vb2_buf, &fb))
goto dec_end;
schedule_delayed_work(&jpeg->job_timeout_work,
msecs_to_jiffies(MTK_JPEG_HW_TIMEOUT_MSEC));
spin_lock_irqsave(&jpeg->hw_lock, flags);
mtk_jpeg_dec_reset(jpeg->reg_base);
mtk_jpeg_dec_set_config(jpeg->reg_base,
jpeg->variant->support_34bit,
&jpeg_src_buf->dec_param,
jpeg_src_buf->bs_size,
&bs,
&fb);
mtk_jpeg_dec_start(jpeg->reg_base);
spin_unlock_irqrestore(&jpeg->hw_lock, flags);
return;
dec_end:
v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx);
v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx);
v4l2_m2m_buf_done(src_buf, buf_state);
v4l2_m2m_buf_done(dst_buf, buf_state);
v4l2_m2m_job_finish(jpeg->m2m_dev, ctx->fh.m2m_ctx);
}
static int mtk_jpeg_dec_job_ready(void *priv)
{
struct mtk_jpeg_ctx *ctx = priv;
return (ctx->state == MTK_JPEG_RUNNING) ? 1 : 0;
}
static const struct v4l2_m2m_ops mtk_jpeg_enc_m2m_ops = {
.device_run = mtk_jpeg_enc_device_run,
};
static const struct v4l2_m2m_ops mtk_jpeg_multicore_enc_m2m_ops = {
.device_run = mtk_jpeg_multicore_enc_device_run,
};
static const struct v4l2_m2m_ops mtk_jpeg_multicore_dec_m2m_ops = {
.device_run = mtk_jpeg_multicore_dec_device_run,
};
static const struct v4l2_m2m_ops mtk_jpeg_dec_m2m_ops = {
.device_run = mtk_jpeg_dec_device_run,
.job_ready = mtk_jpeg_dec_job_ready,
};
static int mtk_jpeg_queue_init(void *priv, struct vb2_queue *src_vq,
struct vb2_queue *dst_vq)
{
struct mtk_jpeg_ctx *ctx = priv;
struct mtk_jpeg_dev *jpeg = ctx->jpeg;
int ret;
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_jpeg_src_buf);
src_vq->ops = jpeg->variant->qops;
src_vq->mem_ops = &vb2_dma_contig_memops;
src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
src_vq->lock = &ctx->jpeg->lock;
src_vq->dev = ctx->jpeg->dev;
ret = vb2_queue_init(src_vq);
if (ret)
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 v4l2_m2m_buffer);
dst_vq->ops = jpeg->variant->qops;
dst_vq->mem_ops = &vb2_dma_contig_memops;
dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
dst_vq->lock = &ctx->jpeg->lock;
dst_vq->dev = ctx->jpeg->dev;
ret = vb2_queue_init(dst_vq);
return ret;
}
static void mtk_jpeg_clk_on(struct mtk_jpeg_dev *jpeg)
{
int ret;
ret = clk_bulk_prepare_enable(jpeg->variant->num_clks,
jpeg->variant->clks);
if (ret)
dev_err(jpeg->dev, "Failed to open jpeg clk: %d\n", ret);
}
static void mtk_jpeg_clk_off(struct mtk_jpeg_dev *jpeg)
{
clk_bulk_disable_unprepare(jpeg->variant->num_clks,
jpeg->variant->clks);
}
static void mtk_jpeg_set_default_params(struct mtk_jpeg_ctx *ctx)
{
struct mtk_jpeg_q_data *q = &ctx->out_q;
struct mtk_jpeg_dev *jpeg = ctx->jpeg;
ctx->fh.ctrl_handler = &ctx->ctrl_hdl;
q->pix_mp.colorspace = V4L2_COLORSPACE_SRGB;
q->pix_mp.ycbcr_enc = V4L2_YCBCR_ENC_601;
q->pix_mp.quantization = V4L2_QUANTIZATION_FULL_RANGE;
q->pix_mp.xfer_func = V4L2_XFER_FUNC_SRGB;
q->fmt = mtk_jpeg_find_format(jpeg->variant->formats,
jpeg->variant->num_formats,
jpeg->variant->out_q_default_fourcc,
MTK_JPEG_FMT_FLAG_OUTPUT);
q->pix_mp.width = MTK_JPEG_MIN_WIDTH;
q->pix_mp.height = MTK_JPEG_MIN_HEIGHT;
mtk_jpeg_try_fmt_mplane(&q->pix_mp, q->fmt);
q = &ctx->cap_q;
q->fmt = mtk_jpeg_find_format(jpeg->variant->formats,
jpeg->variant->num_formats,
jpeg->variant->cap_q_default_fourcc,
MTK_JPEG_FMT_FLAG_CAPTURE);
q->pix_mp.colorspace = V4L2_COLORSPACE_SRGB;
q->pix_mp.ycbcr_enc = V4L2_YCBCR_ENC_601;
q->pix_mp.quantization = V4L2_QUANTIZATION_FULL_RANGE;
q->pix_mp.xfer_func = V4L2_XFER_FUNC_SRGB;
q->pix_mp.width = MTK_JPEG_MIN_WIDTH;
q->pix_mp.height = MTK_JPEG_MIN_HEIGHT;
mtk_jpeg_try_fmt_mplane(&q->pix_mp, q->fmt);
}
static int mtk_jpeg_open(struct file *file)
{
struct mtk_jpeg_dev *jpeg = video_drvdata(file);
struct video_device *vfd = video_devdata(file);
struct mtk_jpeg_ctx *ctx;
int ret = 0;
ctx = kzalloc_obj(*ctx);
if (!ctx)
return -ENOMEM;
if (mutex_lock_interruptible(&jpeg->lock)) {
ret = -ERESTARTSYS;
goto free;
}
INIT_WORK(&ctx->jpeg_work, jpeg->variant->jpeg_worker);
INIT_LIST_HEAD(&ctx->dst_done_queue);
spin_lock_init(&ctx->done_queue_lock);
v4l2_fh_init(&ctx->fh, vfd);
v4l2_fh_add(&ctx->fh, file);
ctx->jpeg = jpeg;
ctx->fh.m2m_ctx = v4l2_m2m_ctx_init(jpeg->m2m_dev, ctx,
mtk_jpeg_queue_init);
if (IS_ERR(ctx->fh.m2m_ctx)) {
ret = PTR_ERR(ctx->fh.m2m_ctx);
goto error;
}
if (jpeg->variant->cap_q_default_fourcc == V4L2_PIX_FMT_JPEG) {
ret = mtk_jpeg_enc_ctrls_setup(ctx);
if (ret) {
v4l2_err(&jpeg->v4l2_dev, "Failed to setup jpeg enc controls\n");
goto error;
}
} else {
v4l2_ctrl_handler_init(&ctx->ctrl_hdl, 0);
}
mtk_jpeg_set_default_params(ctx);
mutex_unlock(&jpeg->lock);
return 0;
error:
v4l2_fh_del(&ctx->fh, file);
v4l2_fh_exit(&ctx->fh);
mutex_unlock(&jpeg->lock);
free:
kfree(ctx);
return ret;
}
static int mtk_jpeg_release(struct file *file)
{
struct mtk_jpeg_dev *jpeg = video_drvdata(file);
struct mtk_jpeg_ctx *ctx = mtk_jpeg_file_to_ctx(file);
mutex_lock(&jpeg->lock);
v4l2_m2m_ctx_release(ctx->fh.m2m_ctx);
v4l2_ctrl_handler_free(&ctx->ctrl_hdl);
v4l2_fh_del(&ctx->fh, file);
v4l2_fh_exit(&ctx->fh);
kfree(ctx);
mutex_unlock(&jpeg->lock);
return 0;
}
static const struct v4l2_file_operations mtk_jpeg_fops = {
.owner = THIS_MODULE,
.open = mtk_jpeg_open,
.release = mtk_jpeg_release,
.poll = v4l2_m2m_fop_poll,
.unlocked_ioctl = video_ioctl2,
.mmap = v4l2_m2m_fop_mmap,
};
static void mtk_jpeg_job_timeout_work(struct work_struct *work)
{
struct mtk_jpeg_dev *jpeg = container_of(work, struct mtk_jpeg_dev,
job_timeout_work.work);
struct mtk_jpeg_ctx *ctx;
struct vb2_v4l2_buffer *src_buf, *dst_buf;
ctx = v4l2_m2m_get_curr_priv(jpeg->m2m_dev);
src_buf = v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx);
dst_buf = v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx);
jpeg->variant->hw_reset(jpeg->reg_base);
pm_runtime_put(jpeg->dev);
v4l2_m2m_buf_done(src_buf, VB2_BUF_STATE_ERROR);
v4l2_m2m_buf_done(dst_buf, VB2_BUF_STATE_ERROR);
v4l2_m2m_job_finish(jpeg->m2m_dev, ctx->fh.m2m_ctx);
}
static int mtk_jpeg_single_core_init(struct platform_device *pdev,
struct mtk_jpeg_dev *jpeg_dev)
{
struct mtk_jpeg_dev *jpeg = jpeg_dev;
int jpeg_irq, ret;
INIT_DELAYED_WORK(&jpeg->job_timeout_work,
mtk_jpeg_job_timeout_work);
jpeg->reg_base = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(jpeg->reg_base)) {
ret = PTR_ERR(jpeg->reg_base);
return ret;
}
jpeg_irq = platform_get_irq(pdev, 0);
if (jpeg_irq < 0)
return jpeg_irq;
ret = devm_request_irq(&pdev->dev,
jpeg_irq,
jpeg->variant->irq_handler,
0,
pdev->name, jpeg);
if (ret) {
dev_err(&pdev->dev, "Failed to request jpeg_irq %d (%d)\n",
jpeg_irq, ret);
return ret;
}
ret = devm_clk_bulk_get(jpeg->dev,
jpeg->variant->num_clks,
jpeg->variant->clks);
if (ret) {
dev_err(&pdev->dev, "Failed to init clk\n");
return ret;
}
return 0;
}
static void mtk_jpeg_destroy_workqueue(void *data)
{
destroy_workqueue(data);
}
static int mtk_jpeg_probe(struct platform_device *pdev)
{
struct mtk_jpeg_dev *jpeg;
struct device_node *child;
int num_child = 0;
int ret;
jpeg = devm_kzalloc(&pdev->dev, sizeof(*jpeg), GFP_KERNEL);
if (!jpeg)
return -ENOMEM;
mutex_init(&jpeg->lock);
spin_lock_init(&jpeg->hw_lock);
jpeg->dev = &pdev->dev;
jpeg->variant = of_device_get_match_data(jpeg->dev);
platform_set_drvdata(pdev, jpeg);
ret = devm_of_platform_populate(&pdev->dev);
if (ret) {
v4l2_err(&jpeg->v4l2_dev, "Master of platform populate failed.");
return -EINVAL;
}
if (!jpeg->variant->multi_core) {
ret = mtk_jpeg_single_core_init(pdev, jpeg);
if (ret) {
v4l2_err(&jpeg->v4l2_dev, "mtk_jpeg_single_core_init failed.");
return -EINVAL;
}
} else {
init_waitqueue_head(&jpeg->hw_wq);
for_each_child_of_node(pdev->dev.of_node, child)
num_child++;
atomic_set(&jpeg->hw_rdy, num_child);
atomic_set(&jpeg->hw_index, 0);
jpeg->workqueue = alloc_ordered_workqueue(MTK_JPEG_NAME,
WQ_MEM_RECLAIM
| WQ_FREEZABLE);
if (!jpeg->workqueue)
return -EINVAL;
ret = devm_add_action_or_reset(&pdev->dev,
mtk_jpeg_destroy_workqueue,
jpeg->workqueue);
if (ret)
return ret;
}
ret = v4l2_device_register(&pdev->dev, &jpeg->v4l2_dev);
if (ret) {
dev_err(&pdev->dev, "Failed to register v4l2 device\n");
return -EINVAL;
}
jpeg->m2m_dev = v4l2_m2m_init(jpeg->variant->m2m_ops);
if (IS_ERR(jpeg->m2m_dev)) {
v4l2_err(&jpeg->v4l2_dev, "Failed to init mem2mem device\n");
ret = PTR_ERR(jpeg->m2m_dev);
goto err_m2m_init;
}
jpeg->vdev = video_device_alloc();
if (!jpeg->vdev) {
ret = -ENOMEM;
goto err_vfd_jpeg_alloc;
}
snprintf(jpeg->vdev->name, sizeof(jpeg->vdev->name),
"%s", jpeg->variant->dev_name);
jpeg->vdev->fops = &mtk_jpeg_fops;
jpeg->vdev->ioctl_ops = jpeg->variant->ioctl_ops;
jpeg->vdev->minor = -1;
jpeg->vdev->release = video_device_release;
jpeg->vdev->lock = &jpeg->lock;
jpeg->vdev->v4l2_dev = &jpeg->v4l2_dev;
jpeg->vdev->vfl_dir = VFL_DIR_M2M;
jpeg->vdev->device_caps = V4L2_CAP_STREAMING |
V4L2_CAP_VIDEO_M2M_MPLANE;
ret = video_register_device(jpeg->vdev, VFL_TYPE_VIDEO, -1);
if (ret) {
v4l2_err(&jpeg->v4l2_dev, "Failed to register video device\n");
goto err_vfd_jpeg_register;
}
video_set_drvdata(jpeg->vdev, jpeg);
v4l2_info(&jpeg->v4l2_dev,
"%s device registered as /dev/video%d (%d,%d)\n",
jpeg->variant->dev_name, jpeg->vdev->num,
VIDEO_MAJOR, jpeg->vdev->minor);
pm_runtime_enable(&pdev->dev);
return 0;
err_vfd_jpeg_register:
video_device_release(jpeg->vdev);
err_vfd_jpeg_alloc:
v4l2_m2m_release(jpeg->m2m_dev);
err_m2m_init:
v4l2_device_unregister(&jpeg->v4l2_dev);
return ret;
}
static void mtk_jpeg_remove(struct platform_device *pdev)
{
struct mtk_jpeg_dev *jpeg = platform_get_drvdata(pdev);
pm_runtime_disable(&pdev->dev);
video_unregister_device(jpeg->vdev);
v4l2_m2m_release(jpeg->m2m_dev);
v4l2_device_unregister(&jpeg->v4l2_dev);
}
static __maybe_unused int mtk_jpeg_pm_suspend(struct device *dev)
{
struct mtk_jpeg_dev *jpeg = dev_get_drvdata(dev);
mtk_jpeg_clk_off(jpeg);
return 0;
}
static __maybe_unused int mtk_jpeg_pm_resume(struct device *dev)
{
struct mtk_jpeg_dev *jpeg = dev_get_drvdata(dev);
mtk_jpeg_clk_on(jpeg);
return 0;
}
static __maybe_unused int mtk_jpeg_suspend(struct device *dev)
{
struct mtk_jpeg_dev *jpeg = dev_get_drvdata(dev);
v4l2_m2m_suspend(jpeg->m2m_dev);
return pm_runtime_force_suspend(dev);
}
static __maybe_unused int mtk_jpeg_resume(struct device *dev)
{
struct mtk_jpeg_dev *jpeg = dev_get_drvdata(dev);
int ret;
ret = pm_runtime_force_resume(dev);
if (ret < 0)
return ret;
v4l2_m2m_resume(jpeg->m2m_dev);
return ret;
}
static const struct dev_pm_ops mtk_jpeg_pm_ops = {
SET_SYSTEM_SLEEP_PM_OPS(mtk_jpeg_suspend, mtk_jpeg_resume)
SET_RUNTIME_PM_OPS(mtk_jpeg_pm_suspend, mtk_jpeg_pm_resume, NULL)
};
static int mtk_jpegenc_get_hw(struct mtk_jpeg_ctx *ctx)
{
struct mtk_jpegenc_comp_dev *comp_jpeg;
struct mtk_jpeg_dev *jpeg = ctx->jpeg;
unsigned long flags;
int hw_id = -1;
int i;
spin_lock_irqsave(&jpeg->hw_lock, flags);
for (i = 0; i < MTK_JPEGENC_HW_MAX; i++) {
comp_jpeg = jpeg->enc_hw_dev[i];
if (comp_jpeg->hw_state == MTK_JPEG_HW_IDLE) {
hw_id = i;
comp_jpeg->hw_state = MTK_JPEG_HW_BUSY;
break;
}
}
spin_unlock_irqrestore(&jpeg->hw_lock, flags);
return hw_id;
}
static int mtk_jpegenc_set_hw_param(struct mtk_jpeg_ctx *ctx,
int hw_id,
struct vb2_v4l2_buffer *src_buf,
struct vb2_v4l2_buffer *dst_buf)
{
struct mtk_jpegenc_comp_dev *jpeg = ctx->jpeg->enc_hw_dev[hw_id];
jpeg->hw_param.curr_ctx = ctx;
jpeg->hw_param.src_buffer = src_buf;
jpeg->hw_param.dst_buffer = dst_buf;
return 0;
}
static int mtk_jpegenc_put_hw(struct mtk_jpeg_dev *jpeg, int hw_id)
{
unsigned long flags;
spin_lock_irqsave(&jpeg->hw_lock, flags);
jpeg->enc_hw_dev[hw_id]->hw_state = MTK_JPEG_HW_IDLE;
spin_unlock_irqrestore(&jpeg->hw_lock, flags);
return 0;
}
static int mtk_jpegdec_get_hw(struct mtk_jpeg_ctx *ctx)
{
struct mtk_jpegdec_comp_dev *comp_jpeg;
struct mtk_jpeg_dev *jpeg = ctx->jpeg;
unsigned long flags;
int hw_id = -1;
int i;
spin_lock_irqsave(&jpeg->hw_lock, flags);
for (i = 0; i < MTK_JPEGDEC_HW_MAX; i++) {
comp_jpeg = jpeg->dec_hw_dev[i];
if (comp_jpeg->hw_state == MTK_JPEG_HW_IDLE) {
hw_id = i;
comp_jpeg->hw_state = MTK_JPEG_HW_BUSY;
break;
}
}
spin_unlock_irqrestore(&jpeg->hw_lock, flags);
return hw_id;
}
static int mtk_jpegdec_put_hw(struct mtk_jpeg_dev *jpeg, int hw_id)
{
unsigned long flags;
spin_lock_irqsave(&jpeg->hw_lock, flags);
jpeg->dec_hw_dev[hw_id]->hw_state =
MTK_JPEG_HW_IDLE;
spin_unlock_irqrestore(&jpeg->hw_lock, flags);
return 0;
}
static int mtk_jpegdec_set_hw_param(struct mtk_jpeg_ctx *ctx,
int hw_id,
struct vb2_v4l2_buffer *src_buf,
struct vb2_v4l2_buffer *dst_buf)
{
struct mtk_jpegdec_comp_dev *jpeg =
ctx->jpeg->dec_hw_dev[hw_id];
jpeg->hw_param.curr_ctx = ctx;
jpeg->hw_param.src_buffer = src_buf;
jpeg->hw_param.dst_buffer = dst_buf;
return 0;
}
static irqreturn_t mtk_jpeg_enc_done(struct mtk_jpeg_dev *jpeg)
{
struct mtk_jpeg_ctx *ctx;
struct vb2_v4l2_buffer *src_buf, *dst_buf;
enum vb2_buffer_state buf_state = VB2_BUF_STATE_ERROR;
u32 result_size;
ctx = v4l2_m2m_get_curr_priv(jpeg->m2m_dev);
if (!ctx) {
v4l2_err(&jpeg->v4l2_dev, "Context is NULL\n");
return IRQ_HANDLED;
}
src_buf = v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx);
dst_buf = v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx);
result_size = mtk_jpeg_enc_get_file_size(jpeg->reg_base,
jpeg->variant->support_34bit);
vb2_set_plane_payload(&dst_buf->vb2_buf, 0, result_size);
buf_state = VB2_BUF_STATE_DONE;
v4l2_m2m_buf_done(src_buf, buf_state);
v4l2_m2m_buf_done(dst_buf, buf_state);
v4l2_m2m_job_finish(jpeg->m2m_dev, ctx->fh.m2m_ctx);
pm_runtime_put(ctx->jpeg->dev);
return IRQ_HANDLED;
}
static void mtk_jpegenc_worker(struct work_struct *work)
{
struct mtk_jpegenc_comp_dev *comp_jpeg[MTK_JPEGENC_HW_MAX];
enum vb2_buffer_state buf_state = VB2_BUF_STATE_ERROR;
struct mtk_jpeg_src_buf *jpeg_dst_buf;
struct vb2_v4l2_buffer *src_buf, *dst_buf;
int ret, i, hw_id = 0;
unsigned long flags;
struct mtk_jpeg_ctx *ctx = container_of(work,
struct mtk_jpeg_ctx,
jpeg_work);
struct mtk_jpeg_dev *jpeg = ctx->jpeg;
for (i = 0; i < MTK_JPEGENC_HW_MAX; i++)
comp_jpeg[i] = jpeg->enc_hw_dev[i];
i = 0;
retry_select:
hw_id = mtk_jpegenc_get_hw(ctx);
if (hw_id < 0) {
ret = wait_event_interruptible(jpeg->hw_wq,
atomic_read(&jpeg->hw_rdy) > 0);
if (ret != 0 || (i++ > MTK_JPEG_MAX_RETRY_TIME)) {
dev_err(jpeg->dev, "%s : %d, all HW are busy\n",
__func__, __LINE__);
v4l2_m2m_job_finish(jpeg->m2m_dev, ctx->fh.m2m_ctx);
return;
}
goto retry_select;
}
atomic_dec(&jpeg->hw_rdy);
src_buf = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx);
if (!src_buf)
goto getbuf_fail;
dst_buf = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx);
if (!dst_buf)
goto getbuf_fail;
v4l2_m2m_buf_copy_metadata(src_buf, dst_buf);
mtk_jpegenc_set_hw_param(ctx, hw_id, src_buf, dst_buf);
ret = pm_runtime_get_sync(comp_jpeg[hw_id]->dev);
if (ret < 0) {
dev_err(jpeg->dev, "%s : %d, pm_runtime_get_sync fail !!!\n",
__func__, __LINE__);
goto enc_end;
}
ret = clk_prepare_enable(comp_jpeg[hw_id]->venc_clk.clks->clk);
if (ret) {
dev_err(jpeg->dev, "%s : %d, jpegenc clk_prepare_enable fail\n",
__func__, __LINE__);
goto enc_end;
}
v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx);
v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx);
schedule_delayed_work(&comp_jpeg[hw_id]->job_timeout_work,
msecs_to_jiffies(MTK_JPEG_HW_TIMEOUT_MSEC));
spin_lock_irqsave(&comp_jpeg[hw_id]->hw_lock, flags);
jpeg_dst_buf = mtk_jpeg_vb2_to_srcbuf(&dst_buf->vb2_buf);
jpeg_dst_buf->curr_ctx = ctx;
jpeg_dst_buf->frame_num = ctx->total_frame_num;
ctx->total_frame_num++;
mtk_jpeg_enc_reset(comp_jpeg[hw_id]->reg_base);
mtk_jpeg_set_enc_dst(ctx,
comp_jpeg[hw_id]->reg_base,
&dst_buf->vb2_buf);
mtk_jpeg_set_enc_src(ctx,
comp_jpeg[hw_id]->reg_base,
&src_buf->vb2_buf);
mtk_jpeg_set_enc_params(ctx, comp_jpeg[hw_id]->reg_base);
mtk_jpeg_enc_start(comp_jpeg[hw_id]->reg_base);
v4l2_m2m_job_finish(jpeg->m2m_dev, ctx->fh.m2m_ctx);
spin_unlock_irqrestore(&comp_jpeg[hw_id]->hw_lock, flags);
return;
enc_end:
v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx);
v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx);
v4l2_m2m_buf_done(src_buf, buf_state);
v4l2_m2m_buf_done(dst_buf, buf_state);
getbuf_fail:
atomic_inc(&jpeg->hw_rdy);
mtk_jpegenc_put_hw(jpeg, hw_id);
v4l2_m2m_job_finish(jpeg->m2m_dev, ctx->fh.m2m_ctx);
}
static void mtk_jpegdec_worker(struct work_struct *work)
{
struct mtk_jpeg_ctx *ctx = container_of(work, struct mtk_jpeg_ctx,
jpeg_work);
struct mtk_jpegdec_comp_dev *comp_jpeg[MTK_JPEGDEC_HW_MAX];
enum vb2_buffer_state buf_state = VB2_BUF_STATE_ERROR;
struct mtk_jpeg_src_buf *jpeg_src_buf, *jpeg_dst_buf;
struct vb2_v4l2_buffer *src_buf, *dst_buf;
struct mtk_jpeg_dev *jpeg = ctx->jpeg;
int ret, i, hw_id = 0;
struct mtk_jpeg_bs bs;
struct mtk_jpeg_fb fb;
unsigned long flags;
for (i = 0; i < MTK_JPEGDEC_HW_MAX; i++)
comp_jpeg[i] = jpeg->dec_hw_dev[i];
i = 0;
retry_select:
hw_id = mtk_jpegdec_get_hw(ctx);
if (hw_id < 0) {
ret = wait_event_interruptible_timeout(jpeg->hw_wq,
atomic_read(&jpeg->hw_rdy) > 0,
MTK_JPEG_HW_TIMEOUT_MSEC);
if (ret != 0 || (i++ > MTK_JPEG_MAX_RETRY_TIME)) {
dev_err(jpeg->dev, "%s : %d, all HW are busy\n",
__func__, __LINE__);
v4l2_m2m_job_finish(jpeg->m2m_dev, ctx->fh.m2m_ctx);
return;
}
goto retry_select;
}
atomic_dec(&jpeg->hw_rdy);
src_buf = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx);
if (!src_buf)
goto getbuf_fail;
dst_buf = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx);
if (!dst_buf)
goto getbuf_fail;
v4l2_m2m_buf_copy_metadata(src_buf, dst_buf);
jpeg_src_buf = mtk_jpeg_vb2_to_srcbuf(&src_buf->vb2_buf);
jpeg_dst_buf = mtk_jpeg_vb2_to_srcbuf(&dst_buf->vb2_buf);
if (mtk_jpeg_check_resolution_change(ctx,
&jpeg_src_buf->dec_param)) {
mtk_jpeg_queue_src_chg_event(ctx);
ctx->state = MTK_JPEG_SOURCE_CHANGE;
goto getbuf_fail;
}
jpeg_src_buf->curr_ctx = ctx;
jpeg_src_buf->frame_num = ctx->total_frame_num;
jpeg_dst_buf->curr_ctx = ctx;
jpeg_dst_buf->frame_num = ctx->total_frame_num;
mtk_jpegdec_set_hw_param(ctx, hw_id, src_buf, dst_buf);
ret = pm_runtime_get_sync(comp_jpeg[hw_id]->dev);
if (ret < 0) {
dev_err(jpeg->dev, "%s : %d, pm_runtime_get_sync fail !!!\n",
__func__, __LINE__);
goto dec_end;
}
ret = clk_prepare_enable(comp_jpeg[hw_id]->jdec_clk.clks->clk);
if (ret) {
dev_err(jpeg->dev, "%s : %d, jpegdec clk_prepare_enable fail\n",
__func__, __LINE__);
goto clk_end;
}
v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx);
v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx);
mtk_jpeg_set_dec_src(ctx, &src_buf->vb2_buf, &bs);
if (mtk_jpeg_set_dec_dst(ctx,
&jpeg_src_buf->dec_param,
&dst_buf->vb2_buf, &fb)) {
dev_err(jpeg->dev, "%s : %d, mtk_jpeg_set_dec_dst fail\n",
__func__, __LINE__);
goto setdst_end;
}
schedule_delayed_work(&comp_jpeg[hw_id]->job_timeout_work,
msecs_to_jiffies(MTK_JPEG_HW_TIMEOUT_MSEC));
spin_lock_irqsave(&comp_jpeg[hw_id]->hw_lock, flags);
ctx->total_frame_num++;
mtk_jpeg_dec_reset(comp_jpeg[hw_id]->reg_base);
mtk_jpeg_dec_set_config(comp_jpeg[hw_id]->reg_base,
jpeg->variant->support_34bit,
&jpeg_src_buf->dec_param,
jpeg_src_buf->bs_size,
&bs,
&fb);
mtk_jpeg_dec_start(comp_jpeg[hw_id]->reg_base);
v4l2_m2m_job_finish(jpeg->m2m_dev, ctx->fh.m2m_ctx);
spin_unlock_irqrestore(&comp_jpeg[hw_id]->hw_lock, flags);
return;
setdst_end:
clk_disable_unprepare(comp_jpeg[hw_id]->jdec_clk.clks->clk);
clk_end:
pm_runtime_put(comp_jpeg[hw_id]->dev);
dec_end:
v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx);
v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx);
v4l2_m2m_buf_done(src_buf, buf_state);
v4l2_m2m_buf_done(dst_buf, buf_state);
getbuf_fail:
atomic_inc(&jpeg->hw_rdy);
mtk_jpegdec_put_hw(jpeg, hw_id);
v4l2_m2m_job_finish(jpeg->m2m_dev, ctx->fh.m2m_ctx);
}
static irqreturn_t mtk_jpeg_enc_irq(int irq, void *priv)
{
struct mtk_jpeg_dev *jpeg = priv;
u32 irq_status;
irqreturn_t ret = IRQ_NONE;
cancel_delayed_work(&jpeg->job_timeout_work);
irq_status = readl(jpeg->reg_base + JPEG_ENC_INT_STS) &
JPEG_ENC_INT_STATUS_MASK_ALLIRQ;
if (irq_status)
writel(0, jpeg->reg_base + JPEG_ENC_INT_STS);
if (!(irq_status & JPEG_ENC_INT_STATUS_DONE))
return ret;
ret = mtk_jpeg_enc_done(jpeg);
return ret;
}
static irqreturn_t mtk_jpeg_dec_irq(int irq, void *priv)
{
struct mtk_jpeg_dev *jpeg = priv;
struct mtk_jpeg_ctx *ctx;
struct vb2_v4l2_buffer *src_buf, *dst_buf;
struct mtk_jpeg_src_buf *jpeg_src_buf;
enum vb2_buffer_state buf_state = VB2_BUF_STATE_ERROR;
u32 dec_irq_ret;
u32 dec_ret;
int i;
cancel_delayed_work(&jpeg->job_timeout_work);
dec_ret = mtk_jpeg_dec_get_int_status(jpeg->reg_base);
dec_irq_ret = mtk_jpeg_dec_enum_result(dec_ret);
ctx = v4l2_m2m_get_curr_priv(jpeg->m2m_dev);
if (!ctx) {
v4l2_err(&jpeg->v4l2_dev, "Context is NULL\n");
return IRQ_HANDLED;
}
src_buf = v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx);
dst_buf = v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx);
jpeg_src_buf = mtk_jpeg_vb2_to_srcbuf(&src_buf->vb2_buf);
if (dec_irq_ret >= MTK_JPEG_DEC_RESULT_UNDERFLOW)
mtk_jpeg_dec_reset(jpeg->reg_base);
if (dec_irq_ret != MTK_JPEG_DEC_RESULT_EOF_DONE) {
dev_err(jpeg->dev, "decode failed\n");
goto dec_end;
}
for (i = 0; i < dst_buf->vb2_buf.num_planes; i++)
vb2_set_plane_payload(&dst_buf->vb2_buf, i,
jpeg_src_buf->dec_param.comp_size[i]);
buf_state = VB2_BUF_STATE_DONE;
dec_end:
v4l2_m2m_buf_done(src_buf, buf_state);
v4l2_m2m_buf_done(dst_buf, buf_state);
v4l2_m2m_job_finish(jpeg->m2m_dev, ctx->fh.m2m_ctx);
pm_runtime_put(ctx->jpeg->dev);
return IRQ_HANDLED;
}
static struct clk_bulk_data mtk_jpeg_clocks[] = {
{ .id = "jpgenc" },
};
static struct clk_bulk_data mt8173_jpeg_dec_clocks[] = {
{ .id = "jpgdec-smi" },
{ .id = "jpgdec" },
};
static const struct mtk_jpeg_variant mt8173_jpeg_drvdata = {
.clks = mt8173_jpeg_dec_clocks,
.num_clks = ARRAY_SIZE(mt8173_jpeg_dec_clocks),
.formats = mtk_jpeg_dec_formats,
.num_formats = MTK_JPEG_DEC_NUM_FORMATS,
.qops = &mtk_jpeg_dec_qops,
.irq_handler = mtk_jpeg_dec_irq,
.hw_reset = mtk_jpeg_dec_reset,
.m2m_ops = &mtk_jpeg_dec_m2m_ops,
.dev_name = "mtk-jpeg-dec",
.ioctl_ops = &mtk_jpeg_dec_ioctl_ops,
.out_q_default_fourcc = V4L2_PIX_FMT_JPEG,
.cap_q_default_fourcc = V4L2_PIX_FMT_YUV420M,
};
static const struct mtk_jpeg_variant mtk_jpeg_drvdata = {
.clks = mtk_jpeg_clocks,
.num_clks = ARRAY_SIZE(mtk_jpeg_clocks),
.formats = mtk_jpeg_enc_formats,
.num_formats = MTK_JPEG_ENC_NUM_FORMATS,
.qops = &mtk_jpeg_enc_qops,
.irq_handler = mtk_jpeg_enc_irq,
.hw_reset = mtk_jpeg_enc_reset,
.m2m_ops = &mtk_jpeg_enc_m2m_ops,
.dev_name = "mtk-jpeg-enc",
.ioctl_ops = &mtk_jpeg_enc_ioctl_ops,
.out_q_default_fourcc = V4L2_PIX_FMT_YUYV,
.cap_q_default_fourcc = V4L2_PIX_FMT_JPEG,
.multi_core = false,
};
static struct mtk_jpeg_variant mtk8195_jpegenc_drvdata = {
.formats = mtk_jpeg_enc_formats,
.num_formats = MTK_JPEG_ENC_NUM_FORMATS,
.qops = &mtk_jpeg_enc_qops,
.m2m_ops = &mtk_jpeg_multicore_enc_m2m_ops,
.dev_name = "mtk-jpeg-enc",
.ioctl_ops = &mtk_jpeg_enc_ioctl_ops,
.out_q_default_fourcc = V4L2_PIX_FMT_YUYV,
.cap_q_default_fourcc = V4L2_PIX_FMT_JPEG,
.multi_core = true,
.jpeg_worker = mtk_jpegenc_worker,
};
static const struct mtk_jpeg_variant mtk8195_jpegdec_drvdata = {
.formats = mtk_jpeg_dec_formats,
.num_formats = MTK_JPEG_DEC_NUM_FORMATS,
.qops = &mtk_jpeg_dec_qops,
.m2m_ops = &mtk_jpeg_multicore_dec_m2m_ops,
.dev_name = "mtk-jpeg-dec",
.ioctl_ops = &mtk_jpeg_dec_ioctl_ops,
.out_q_default_fourcc = V4L2_PIX_FMT_JPEG,
.cap_q_default_fourcc = V4L2_PIX_FMT_YUV420M,
.multi_core = true,
.jpeg_worker = mtk_jpegdec_worker,
};
static const struct of_device_id mtk_jpeg_match[] = {
{
.compatible = "mediatek,mt8173-jpgdec",
.data = &mt8173_jpeg_drvdata,
},
{
.compatible = "mediatek,mt2701-jpgdec",
.data = &mt8173_jpeg_drvdata,
},
{
.compatible = "mediatek,mtk-jpgenc",
.data = &mtk_jpeg_drvdata,
},
{
.compatible = "mediatek,mt8195-jpgenc",
.data = &mtk8195_jpegenc_drvdata,
},
{
.compatible = "mediatek,mt8195-jpgdec",
.data = &mtk8195_jpegdec_drvdata,
},
{},
};
MODULE_DEVICE_TABLE(of, mtk_jpeg_match);
static struct platform_driver mtk_jpeg_driver = {
.probe = mtk_jpeg_probe,
.remove = mtk_jpeg_remove,
.driver = {
.name = MTK_JPEG_NAME,
.of_match_table = mtk_jpeg_match,
.pm = &mtk_jpeg_pm_ops,
},
};
module_platform_driver(mtk_jpeg_driver);
MODULE_DESCRIPTION("MediaTek JPEG codec driver");
MODULE_LICENSE("GPL v2");
