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path: root/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c
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Diffstat (limited to 'drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c')
-rw-r--r--drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c612
1 files changed, 441 insertions, 171 deletions
diff --git a/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c b/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c
index 32fd04a3d8bb..6cd015a35f7c 100644
--- a/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c
+++ b/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c
@@ -69,7 +69,8 @@ static const struct mxc_jpeg_fmt mxc_formats[] = {
.fourcc = V4L2_PIX_FMT_JPEG,
.subsampling = -1,
.nc = -1,
- .colplanes = 1,
+ .mem_planes = 1,
+ .comp_planes = 1,
.flags = MXC_JPEG_FMT_TYPE_ENC,
},
{
@@ -78,11 +79,13 @@ static const struct mxc_jpeg_fmt mxc_formats[] = {
.subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_444,
.nc = 3,
.depth = 24,
- .colplanes = 1,
+ .mem_planes = 1,
+ .comp_planes = 1,
.h_align = 3,
.v_align = 3,
.flags = MXC_JPEG_FMT_TYPE_RAW,
.precision = 8,
+ .is_rgb = 1,
},
{
.name = "ABGR", /* ABGR packed format */
@@ -90,11 +93,13 @@ static const struct mxc_jpeg_fmt mxc_formats[] = {
.subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_444,
.nc = 4,
.depth = 32,
- .colplanes = 1,
+ .mem_planes = 1,
+ .comp_planes = 1,
.h_align = 3,
.v_align = 3,
.flags = MXC_JPEG_FMT_TYPE_RAW,
.precision = 8,
+ .is_rgb = 1,
},
{
.name = "YUV420", /* 1st plane = Y, 2nd plane = UV */
@@ -102,7 +107,21 @@ static const struct mxc_jpeg_fmt mxc_formats[] = {
.subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_420,
.nc = 3,
.depth = 12, /* 6 bytes (4Y + UV) for 4 pixels */
- .colplanes = 2, /* 1 plane Y, 1 plane UV interleaved */
+ .mem_planes = 2,
+ .comp_planes = 2, /* 1 plane Y, 1 plane UV interleaved */
+ .h_align = 4,
+ .v_align = 4,
+ .flags = MXC_JPEG_FMT_TYPE_RAW,
+ .precision = 8,
+ },
+ {
+ .name = "YUV420", /* 1st plane = Y, 2nd plane = UV */
+ .fourcc = V4L2_PIX_FMT_NV12,
+ .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_420,
+ .nc = 3,
+ .depth = 12, /* 6 bytes (4Y + UV) for 4 pixels */
+ .mem_planes = 1,
+ .comp_planes = 2, /* 1 plane Y, 1 plane UV interleaved */
.h_align = 4,
.v_align = 4,
.flags = MXC_JPEG_FMT_TYPE_RAW,
@@ -114,7 +133,8 @@ static const struct mxc_jpeg_fmt mxc_formats[] = {
.subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_422,
.nc = 3,
.depth = 16,
- .colplanes = 1,
+ .mem_planes = 1,
+ .comp_planes = 1,
.h_align = 4,
.v_align = 3,
.flags = MXC_JPEG_FMT_TYPE_RAW,
@@ -126,7 +146,8 @@ static const struct mxc_jpeg_fmt mxc_formats[] = {
.subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_444,
.nc = 3,
.depth = 24,
- .colplanes = 1,
+ .mem_planes = 1,
+ .comp_planes = 1,
.h_align = 3,
.v_align = 3,
.flags = MXC_JPEG_FMT_TYPE_RAW,
@@ -138,7 +159,8 @@ static const struct mxc_jpeg_fmt mxc_formats[] = {
.subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_GRAY,
.nc = 1,
.depth = 8,
- .colplanes = 1,
+ .mem_planes = 1,
+ .comp_planes = 1,
.h_align = 3,
.v_align = 3,
.flags = MXC_JPEG_FMT_TYPE_RAW,
@@ -330,6 +352,10 @@ static unsigned int debug;
module_param(debug, int, 0644);
MODULE_PARM_DESC(debug, "Debug level (0-3)");
+static unsigned int hw_timeout = 2000;
+module_param(hw_timeout, int, 0644);
+MODULE_PARM_DESC(hw_timeout, "MXC JPEG hw timeout, the number of milliseconds");
+
static void mxc_jpeg_bytesperline(struct mxc_jpeg_q_data *q, u32 precision);
static void mxc_jpeg_sizeimage(struct mxc_jpeg_q_data *q);
@@ -415,6 +441,7 @@ static enum mxc_jpeg_image_format mxc_jpeg_fourcc_to_imgfmt(u32 fourcc)
return MXC_JPEG_GRAY;
case V4L2_PIX_FMT_YUYV:
return MXC_JPEG_YUV422;
+ case V4L2_PIX_FMT_NV12:
case V4L2_PIX_FMT_NV12M:
return MXC_JPEG_YUV420;
case V4L2_PIX_FMT_YUV24:
@@ -441,12 +468,17 @@ static void mxc_jpeg_addrs(struct mxc_jpeg_desc *desc,
struct vb2_buffer *jpeg_buf, int offset)
{
int img_fmt = desc->stm_ctrl & STM_CTRL_IMAGE_FORMAT_MASK;
+ struct mxc_jpeg_ctx *ctx = vb2_get_drv_priv(raw_buf->vb2_queue);
+ struct mxc_jpeg_q_data *q_data;
+ q_data = mxc_jpeg_get_q_data(ctx, raw_buf->type);
desc->buf_base0 = vb2_dma_contig_plane_dma_addr(raw_buf, 0);
desc->buf_base1 = 0;
if (img_fmt == STM_CTRL_IMAGE_FORMAT(MXC_JPEG_YUV420)) {
- WARN_ON(raw_buf->num_planes < 2);
- desc->buf_base1 = vb2_dma_contig_plane_dma_addr(raw_buf, 1);
+ if (raw_buf->num_planes == 2)
+ desc->buf_base1 = vb2_dma_contig_plane_dma_addr(raw_buf, 1);
+ else
+ desc->buf_base1 = desc->buf_base0 + q_data->sizeimage[0];
}
desc->stm_bufbase = vb2_dma_contig_plane_dma_addr(jpeg_buf, 0) +
offset;
@@ -519,7 +551,6 @@ static bool mxc_jpeg_alloc_slot_data(struct mxc_jpeg_dev *jpeg,
GFP_ATOMIC);
if (!cfg_stm)
goto err;
- memset(cfg_stm, 0, MXC_JPEG_MAX_CFG_STREAM);
jpeg->slot_data[slot].cfg_stream_vaddr = cfg_stm;
skip_alloc:
@@ -570,6 +601,48 @@ static void mxc_jpeg_check_and_set_last_buffer(struct mxc_jpeg_ctx *ctx,
}
}
+static void mxc_jpeg_job_finish(struct mxc_jpeg_ctx *ctx, enum vb2_buffer_state state, bool reset)
+{
+ struct mxc_jpeg_dev *jpeg = ctx->mxc_jpeg;
+ void __iomem *reg = jpeg->base_reg;
+ struct vb2_v4l2_buffer *src_buf, *dst_buf;
+
+ dst_buf = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx);
+ src_buf = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx);
+ mxc_jpeg_check_and_set_last_buffer(ctx, src_buf, dst_buf);
+ v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx);
+ v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx);
+ v4l2_m2m_buf_done(src_buf, state);
+ v4l2_m2m_buf_done(dst_buf, state);
+
+ mxc_jpeg_disable_irq(reg, ctx->slot);
+ ctx->mxc_jpeg->slot_data[ctx->slot].used = false;
+ if (reset)
+ mxc_jpeg_sw_reset(reg);
+}
+
+static u32 mxc_jpeg_get_plane_size(struct mxc_jpeg_q_data *q_data, u32 plane_no)
+{
+ const struct mxc_jpeg_fmt *fmt = q_data->fmt;
+ u32 size;
+ int i;
+
+ if (plane_no >= fmt->mem_planes)
+ return 0;
+
+ if (fmt->mem_planes == fmt->comp_planes)
+ return q_data->sizeimage[plane_no];
+
+ if (plane_no < fmt->mem_planes - 1)
+ return q_data->sizeimage[plane_no];
+
+ size = q_data->sizeimage[fmt->mem_planes - 1];
+ for (i = fmt->mem_planes; i < fmt->comp_planes; i++)
+ size += q_data->sizeimage[i];
+
+ return size;
+}
+
static irqreturn_t mxc_jpeg_dec_irq(int irq, void *priv)
{
struct mxc_jpeg_dev *jpeg = priv;
@@ -602,6 +675,9 @@ static irqreturn_t mxc_jpeg_dec_irq(int irq, void *priv)
goto job_unlock;
}
+ if (!jpeg->slot_data[slot].used)
+ goto job_unlock;
+
dec_ret = readl(reg + MXC_SLOT_OFFSET(slot, SLOT_STATUS));
writel(dec_ret, reg + MXC_SLOT_OFFSET(slot, SLOT_STATUS)); /* w1c */
@@ -646,11 +722,11 @@ static irqreturn_t mxc_jpeg_dec_irq(int irq, void *priv)
payload);
} else {
q_data = mxc_jpeg_get_q_data(ctx, cap_type);
- payload = q_data->sizeimage[0];
+ payload = mxc_jpeg_get_plane_size(q_data, 0);
vb2_set_plane_payload(&dst_buf->vb2_buf, 0, payload);
vb2_set_plane_payload(&dst_buf->vb2_buf, 1, 0);
- if (q_data->fmt->colplanes == 2) {
- payload = q_data->sizeimage[1];
+ if (q_data->fmt->mem_planes == 2) {
+ payload = mxc_jpeg_get_plane_size(q_data, 1);
vb2_set_plane_payload(&dst_buf->vb2_buf, 1, payload);
}
dev_dbg(dev, "Decoding finished, payload size: %ld + %ld\n",
@@ -666,14 +742,9 @@ static irqreturn_t mxc_jpeg_dec_irq(int irq, void *priv)
buf_state = VB2_BUF_STATE_DONE;
buffers_done:
- mxc_jpeg_disable_irq(reg, ctx->slot);
- jpeg->slot_data[slot].used = false; /* unused, but don't free */
- mxc_jpeg_check_and_set_last_buffer(ctx, src_buf, dst_buf);
- 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);
+ mxc_jpeg_job_finish(ctx, buf_state, false);
spin_unlock(&jpeg->hw_lock);
+ cancel_delayed_work(&ctx->task_timer);
v4l2_m2m_job_finish(jpeg->m2m_dev, ctx->fh.m2m_ctx);
return IRQ_HANDLED;
job_unlock:
@@ -694,6 +765,7 @@ static int mxc_jpeg_fixup_sof(struct mxc_jpeg_sof *sof,
_bswap16(&sof->width);
switch (fourcc) {
+ case V4L2_PIX_FMT_NV12:
case V4L2_PIX_FMT_NV12M:
sof->components_no = 3;
sof->comp[0].v = 0x2;
@@ -730,6 +802,7 @@ static int mxc_jpeg_fixup_sos(struct mxc_jpeg_sos *sos,
u8 *sof_u8 = (u8 *)sos;
switch (fourcc) {
+ case V4L2_PIX_FMT_NV12:
case V4L2_PIX_FMT_NV12M:
sos->components_no = 3;
break;
@@ -902,8 +975,8 @@ static void mxc_jpeg_config_enc_desc(struct vb2_buffer *out_buf,
jpeg->slot_data[slot].cfg_stream_size =
mxc_jpeg_setup_cfg_stream(cfg_stream_vaddr,
q_data->fmt->fourcc,
- q_data->w,
- q_data->h);
+ q_data->crop.width,
+ q_data->crop.height);
/* chain the config descriptor with the encoding descriptor */
cfg_desc->next_descpt_ptr = desc_handle | MXC_NXT_DESCPT_EN;
@@ -920,11 +993,13 @@ static void mxc_jpeg_config_enc_desc(struct vb2_buffer *out_buf,
desc->next_descpt_ptr = 0; /* end of chain */
/* use adjusted resolution for CAST IP job */
- w = q_data->w_adjusted;
- h = q_data->h_adjusted;
+ w = q_data->crop.width;
+ h = q_data->crop.height;
+ v4l_bound_align_image(&w, w, MXC_JPEG_MAX_WIDTH, q_data->fmt->h_align,
+ &h, h, MXC_JPEG_MAX_HEIGHT, q_data->fmt->v_align, 0);
mxc_jpeg_set_res(desc, w, h);
- mxc_jpeg_set_line_pitch(desc, w * (q_data->fmt->depth / 8));
- mxc_jpeg_set_bufsize(desc, desc->line_pitch * h);
+ mxc_jpeg_set_line_pitch(desc, q_data->bytesperline[0]);
+ mxc_jpeg_set_bufsize(desc, ALIGN(vb2_plane_size(dst_buf, 0), 1024));
img_fmt = mxc_jpeg_fourcc_to_imgfmt(q_data->fmt->fourcc);
if (img_fmt == MXC_JPEG_INVALID)
dev_err(jpeg->dev, "No valid image format detected\n");
@@ -943,6 +1018,32 @@ static void mxc_jpeg_config_enc_desc(struct vb2_buffer *out_buf,
mxc_jpeg_set_desc(cfg_desc_handle, reg, slot);
}
+static const struct mxc_jpeg_fmt *mxc_jpeg_get_sibling_format(const struct mxc_jpeg_fmt *fmt)
+{
+ int i;
+
+ for (i = 0; i < MXC_JPEG_NUM_FORMATS; i++) {
+ if (mxc_formats[i].subsampling == fmt->subsampling &&
+ mxc_formats[i].nc == fmt->nc &&
+ mxc_formats[i].precision == fmt->precision &&
+ mxc_formats[i].is_rgb == fmt->is_rgb &&
+ mxc_formats[i].fourcc != fmt->fourcc)
+ return &mxc_formats[i];
+ }
+
+ return NULL;
+}
+
+static bool mxc_jpeg_compare_format(const struct mxc_jpeg_fmt *fmt1,
+ const struct mxc_jpeg_fmt *fmt2)
+{
+ if (fmt1 == fmt2)
+ return true;
+ if (mxc_jpeg_get_sibling_format(fmt1) == fmt2)
+ return true;
+ return false;
+}
+
static bool mxc_jpeg_source_change(struct mxc_jpeg_ctx *ctx,
struct mxc_jpeg_src_buf *jpeg_src_buf)
{
@@ -953,6 +1054,8 @@ static bool mxc_jpeg_source_change(struct mxc_jpeg_ctx *ctx,
return false;
q_data_cap = mxc_jpeg_get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
+ if (mxc_jpeg_compare_format(q_data_cap->fmt, jpeg_src_buf->fmt))
+ jpeg_src_buf->fmt = q_data_cap->fmt;
if (q_data_cap->fmt != jpeg_src_buf->fmt ||
q_data_cap->w != jpeg_src_buf->w ||
q_data_cap->h != jpeg_src_buf->h) {
@@ -973,6 +1076,10 @@ static bool mxc_jpeg_source_change(struct mxc_jpeg_ctx *ctx,
q_data_cap->fmt = jpeg_src_buf->fmt;
q_data_cap->w_adjusted = q_data_cap->w;
q_data_cap->h_adjusted = q_data_cap->h;
+ q_data_cap->crop.left = 0;
+ q_data_cap->crop.top = 0;
+ q_data_cap->crop.width = jpeg_src_buf->w;
+ q_data_cap->crop.height = jpeg_src_buf->h;
/*
* align up the resolution for CAST IP,
@@ -985,7 +1092,7 @@ static bool mxc_jpeg_source_change(struct mxc_jpeg_ctx *ctx,
&q_data_cap->h_adjusted,
q_data_cap->h_adjusted, /* adjust up */
MXC_JPEG_MAX_HEIGHT,
- 0,
+ q_data_cap->fmt->v_align,
0);
/* setup bytesperline/sizeimage for capture queue */
@@ -994,6 +1101,7 @@ static bool mxc_jpeg_source_change(struct mxc_jpeg_ctx *ctx,
notify_src_chg(ctx);
ctx->source_change = 1;
}
+
return ctx->source_change ? true : false;
}
@@ -1004,6 +1112,23 @@ static int mxc_jpeg_job_ready(void *priv)
return ctx->source_change ? 0 : 1;
}
+static void mxc_jpeg_device_run_timeout(struct work_struct *work)
+{
+ struct delayed_work *dwork = to_delayed_work(work);
+ struct mxc_jpeg_ctx *ctx = container_of(dwork, struct mxc_jpeg_ctx, task_timer);
+ struct mxc_jpeg_dev *jpeg = ctx->mxc_jpeg;
+ unsigned long flags;
+
+ spin_lock_irqsave(&ctx->mxc_jpeg->hw_lock, flags);
+ if (ctx->slot < MXC_MAX_SLOTS && ctx->mxc_jpeg->slot_data[ctx->slot].used) {
+ dev_warn(jpeg->dev, "%s timeout, cancel it\n",
+ ctx->mxc_jpeg->mode == MXC_JPEG_DECODE ? "decode" : "encode");
+ mxc_jpeg_job_finish(ctx, VB2_BUF_STATE_ERROR, true);
+ v4l2_m2m_job_finish(ctx->mxc_jpeg->m2m_dev, ctx->fh.m2m_ctx);
+ }
+ spin_unlock_irqrestore(&ctx->mxc_jpeg->hw_lock, flags);
+}
+
static void mxc_jpeg_device_run(void *priv)
{
struct mxc_jpeg_ctx *ctx = priv;
@@ -1035,9 +1160,9 @@ static void mxc_jpeg_device_run(void *priv)
v4l2_m2m_buf_copy_metadata(src_buf, dst_buf, true);
jpeg_src_buf = vb2_to_mxc_buf(&src_buf->vb2_buf);
- if (q_data_cap->fmt->colplanes != dst_buf->vb2_buf.num_planes) {
+ if (q_data_cap->fmt->mem_planes != dst_buf->vb2_buf.num_planes) {
dev_err(dev, "Capture format %s has %d planes, but capture buffer has %d planes\n",
- q_data_cap->fmt->name, q_data_cap->fmt->colplanes,
+ q_data_cap->fmt->name, q_data_cap->fmt->mem_planes,
dst_buf->vb2_buf.num_planes);
jpeg_src_buf->jpeg_parse_error = true;
}
@@ -1089,6 +1214,7 @@ static void mxc_jpeg_device_run(void *priv)
&src_buf->vb2_buf, &dst_buf->vb2_buf);
mxc_jpeg_dec_mode_go(dev, reg);
}
+ schedule_delayed_work(&ctx->task_timer, msecs_to_jiffies(hw_timeout));
end:
spin_unlock_irqrestore(&ctx->mxc_jpeg->hw_lock, flags);
}
@@ -1098,6 +1224,7 @@ static int mxc_jpeg_decoder_cmd(struct file *file, void *priv,
{
struct v4l2_fh *fh = file->private_data;
struct mxc_jpeg_ctx *ctx = mxc_jpeg_fh_to_ctx(fh);
+ unsigned long flags;
int ret;
ret = v4l2_m2m_ioctl_try_decoder_cmd(file, fh, cmd);
@@ -1107,7 +1234,9 @@ static int mxc_jpeg_decoder_cmd(struct file *file, void *priv,
if (!vb2_is_streaming(v4l2_m2m_get_src_vq(fh->m2m_ctx)))
return 0;
+ spin_lock_irqsave(&ctx->mxc_jpeg->hw_lock, flags);
ret = v4l2_m2m_ioctl_decoder_cmd(file, priv, cmd);
+ spin_unlock_irqrestore(&ctx->mxc_jpeg->hw_lock, flags);
if (ret < 0)
return ret;
@@ -1128,6 +1257,7 @@ static int mxc_jpeg_encoder_cmd(struct file *file, void *priv,
{
struct v4l2_fh *fh = file->private_data;
struct mxc_jpeg_ctx *ctx = mxc_jpeg_fh_to_ctx(fh);
+ unsigned long flags;
int ret;
ret = v4l2_m2m_ioctl_try_encoder_cmd(file, fh, cmd);
@@ -1138,7 +1268,9 @@ static int mxc_jpeg_encoder_cmd(struct file *file, void *priv,
!vb2_is_streaming(v4l2_m2m_get_dst_vq(fh->m2m_ctx)))
return 0;
+ spin_lock_irqsave(&ctx->mxc_jpeg->hw_lock, flags);
ret = v4l2_m2m_ioctl_encoder_cmd(file, fh, cmd);
+ spin_unlock_irqrestore(&ctx->mxc_jpeg->hw_lock, flags);
if (ret < 0)
return 0;
@@ -1161,39 +1293,27 @@ static int mxc_jpeg_queue_setup(struct vb2_queue *q,
{
struct mxc_jpeg_ctx *ctx = vb2_get_drv_priv(q);
struct mxc_jpeg_q_data *q_data = NULL;
- struct mxc_jpeg_q_data tmp_q;
int i;
q_data = mxc_jpeg_get_q_data(ctx, q->type);
if (!q_data)
return -EINVAL;
- tmp_q.fmt = q_data->fmt;
- tmp_q.w = q_data->w_adjusted;
- tmp_q.h = q_data->h_adjusted;
- for (i = 0; i < MXC_JPEG_MAX_PLANES; i++) {
- tmp_q.bytesperline[i] = q_data->bytesperline[i];
- tmp_q.sizeimage[i] = q_data->sizeimage[i];
- }
- mxc_jpeg_sizeimage(&tmp_q);
- for (i = 0; i < MXC_JPEG_MAX_PLANES; i++)
- tmp_q.sizeimage[i] = max(tmp_q.sizeimage[i], q_data->sizeimage[i]);
-
/* Handle CREATE_BUFS situation - *nplanes != 0 */
if (*nplanes) {
- if (*nplanes != q_data->fmt->colplanes)
+ if (*nplanes != q_data->fmt->mem_planes)
return -EINVAL;
for (i = 0; i < *nplanes; i++) {
- if (sizes[i] < tmp_q.sizeimage[i])
+ if (sizes[i] < mxc_jpeg_get_plane_size(q_data, i))
return -EINVAL;
}
return 0;
}
/* Handle REQBUFS situation */
- *nplanes = q_data->fmt->colplanes;
+ *nplanes = q_data->fmt->mem_planes;
for (i = 0; i < *nplanes; i++)
- sizes[i] = tmp_q.sizeimage[i];
+ sizes[i] = mxc_jpeg_get_plane_size(q_data, i);
return 0;
}
@@ -1238,7 +1358,8 @@ static void mxc_jpeg_stop_streaming(struct vb2_queue *q)
v4l2_m2m_buf_done(vbuf, VB2_BUF_STATE_ERROR);
}
- v4l2_m2m_update_stop_streaming_state(ctx->fh.m2m_ctx, q);
+ if (V4L2_TYPE_IS_OUTPUT(q->type) || !ctx->source_change)
+ v4l2_m2m_update_stop_streaming_state(ctx->fh.m2m_ctx, q);
if (V4L2_TYPE_IS_OUTPUT(q->type) &&
v4l2_m2m_has_stopped(ctx->fh.m2m_ctx)) {
notify_eos(ctx);
@@ -1277,19 +1398,40 @@ static int mxc_jpeg_valid_comp_id(struct device *dev,
return valid;
}
+static bool mxc_jpeg_match_image_format(const struct mxc_jpeg_fmt *fmt,
+ const struct v4l2_jpeg_header *header)
+{
+ if (fmt->subsampling != header->frame.subsampling ||
+ fmt->nc != header->frame.num_components ||
+ fmt->precision != header->frame.precision)
+ return false;
+
+ /*
+ * If the transform flag from APP14 marker is 0, images that are
+ * encoded with 3 components have RGB colorspace, see Recommendation
+ * ITU-T T.872 chapter 6.5.3 APP14 marker segment for colour encoding
+ */
+ if (header->frame.subsampling == V4L2_JPEG_CHROMA_SUBSAMPLING_444) {
+ u8 is_rgb = header->app14_tf == V4L2_JPEG_APP14_TF_CMYK_RGB ? 1 : 0;
+
+ if (is_rgb != fmt->is_rgb)
+ return false;
+ }
+ return true;
+}
+
static u32 mxc_jpeg_get_image_format(struct device *dev,
const struct v4l2_jpeg_header *header)
{
int i;
u32 fourcc = 0;
- for (i = 0; i < MXC_JPEG_NUM_FORMATS; i++)
- if (mxc_formats[i].subsampling == header->frame.subsampling &&
- mxc_formats[i].nc == header->frame.num_components &&
- mxc_formats[i].precision == header->frame.precision) {
+ for (i = 0; i < MXC_JPEG_NUM_FORMATS; i++) {
+ if (mxc_jpeg_match_image_format(&mxc_formats[i], header)) {
fourcc = mxc_formats[i].fourcc;
break;
}
+ }
if (fourcc == 0) {
dev_err(dev,
"Could not identify image format nc=%d, subsampling=%d, precision=%d\n",
@@ -1298,17 +1440,6 @@ static u32 mxc_jpeg_get_image_format(struct device *dev,
header->frame.precision);
return fourcc;
}
- /*
- * If the transform flag from APP14 marker is 0, images that are
- * encoded with 3 components have RGB colorspace, see Recommendation
- * ITU-T T.872 chapter 6.5.3 APP14 marker segment for colour encoding
- */
- if (fourcc == V4L2_PIX_FMT_YUV24 || fourcc == V4L2_PIX_FMT_BGR24) {
- if (header->app14_tf == V4L2_JPEG_APP14_TF_CMYK_RGB)
- fourcc = V4L2_PIX_FMT_BGR24;
- else
- fourcc = V4L2_PIX_FMT_YUV24;
- }
return fourcc;
}
@@ -1325,17 +1456,17 @@ static void mxc_jpeg_bytesperline(struct mxc_jpeg_q_data *q, u32 precision)
* applies to the first plane and is divided by the same factor
* as the width field for the other planes
*/
- q->bytesperline[0] = q->w * DIV_ROUND_UP(precision, 8);
+ q->bytesperline[0] = q->w_adjusted * DIV_ROUND_UP(precision, 8);
q->bytesperline[1] = q->bytesperline[0];
} else if (q->fmt->subsampling == V4L2_JPEG_CHROMA_SUBSAMPLING_422) {
- q->bytesperline[0] = q->w * DIV_ROUND_UP(precision, 8) * 2;
+ q->bytesperline[0] = q->w_adjusted * DIV_ROUND_UP(precision, 8) * 2;
q->bytesperline[1] = 0;
} else if (q->fmt->subsampling == V4L2_JPEG_CHROMA_SUBSAMPLING_444) {
- q->bytesperline[0] = q->w * DIV_ROUND_UP(precision, 8) * q->fmt->nc;
+ q->bytesperline[0] = q->w_adjusted * DIV_ROUND_UP(precision, 8) * q->fmt->nc;
q->bytesperline[1] = 0;
} else {
/* grayscale */
- q->bytesperline[0] = q->w * DIV_ROUND_UP(precision, 8);
+ q->bytesperline[0] = q->w_adjusted * DIV_ROUND_UP(precision, 8);
q->bytesperline[1] = 0;
}
}
@@ -1354,9 +1485,9 @@ static void mxc_jpeg_sizeimage(struct mxc_jpeg_q_data *q)
/* jpeg stream size must be multiple of 1K */
q->sizeimage[0] = ALIGN(q->sizeimage[0], 1024);
} else {
- q->sizeimage[0] = q->bytesperline[0] * q->h;
+ q->sizeimage[0] = q->bytesperline[0] * q->h_adjusted;
q->sizeimage[1] = 0;
- if (q->fmt->fourcc == V4L2_PIX_FMT_NV12M)
+ if (q->fmt->subsampling == V4L2_JPEG_CHROMA_SUBSAMPLING_420)
q->sizeimage[1] = q->sizeimage[0] / 2;
}
}
@@ -1365,6 +1496,7 @@ static int mxc_jpeg_parse(struct mxc_jpeg_ctx *ctx, struct vb2_buffer *vb)
{
struct device *dev = ctx->mxc_jpeg->dev;
struct mxc_jpeg_q_data *q_data_out;
+ struct mxc_jpeg_q_data *q_data_cap;
u32 fourcc;
struct v4l2_jpeg_header header;
struct mxc_jpeg_sof *psof = NULL;
@@ -1422,7 +1554,11 @@ static int mxc_jpeg_parse(struct mxc_jpeg_ctx *ctx, struct vb2_buffer *vb)
if (!mxc_jpeg_valid_comp_id(dev, psof, psos))
dev_warn(dev, "JPEG component ids should be 0-3 or 1-4");
- fourcc = mxc_jpeg_get_image_format(dev, &header);
+ q_data_cap = mxc_jpeg_get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
+ if (q_data_cap->fmt && mxc_jpeg_match_image_format(q_data_cap->fmt, &header))
+ fourcc = q_data_cap->fmt->fourcc;
+ else
+ fourcc = mxc_jpeg_get_image_format(dev, &header);
if (fourcc == 0)
return -EINVAL;
@@ -1498,8 +1634,8 @@ static int mxc_jpeg_buf_prepare(struct vb2_buffer *vb)
q_data = mxc_jpeg_get_q_data(ctx, vb->vb2_queue->type);
if (!q_data)
return -EINVAL;
- for (i = 0; i < q_data->fmt->colplanes; i++) {
- sizeimage = q_data->sizeimage[i];
+ for (i = 0; i < q_data->fmt->mem_planes; i++) {
+ sizeimage = mxc_jpeg_get_plane_size(q_data, i);
if (vb2_plane_size(vb, i) < sizeimage) {
dev_err(dev, "plane %d too small (%lu < %lu)",
i, vb2_plane_size(vb, i), sizeimage);
@@ -1578,6 +1714,10 @@ static void mxc_jpeg_set_default_params(struct mxc_jpeg_ctx *ctx)
q[i]->h = MXC_JPEG_DEFAULT_HEIGHT;
q[i]->w_adjusted = MXC_JPEG_DEFAULT_WIDTH;
q[i]->h_adjusted = MXC_JPEG_DEFAULT_HEIGHT;
+ q[i]->crop.left = 0;
+ q[i]->crop.top = 0;
+ q[i]->crop.width = MXC_JPEG_DEFAULT_WIDTH;
+ q[i]->crop.height = MXC_JPEG_DEFAULT_HEIGHT;
mxc_jpeg_bytesperline(q[i], q[i]->fmt->precision);
mxc_jpeg_sizeimage(q[i]);
}
@@ -1672,6 +1812,7 @@ static int mxc_jpeg_open(struct file *file)
ctx->fh.ctrl_handler = &ctx->ctrl_handler;
mxc_jpeg_set_default_params(ctx);
ctx->slot = MXC_MAX_SLOTS; /* slot not allocated yet */
+ INIT_DELAYED_WORK(&ctx->task_timer, mxc_jpeg_device_run_timeout);
if (mxc_jpeg->mode == MXC_JPEG_DECODE)
dev_dbg(dev, "Opened JPEG decoder instance %p\n", ctx);
@@ -1721,10 +1862,25 @@ static int mxc_jpeg_enum_fmt_vid_cap(struct file *file, void *priv,
* (more precisely what was propagated on capture queue
* after jpeg parse on the output buffer)
*/
- if (f->index)
- return -EINVAL;
- f->pixelformat = q_data->fmt->fourcc;
- return 0;
+ int ret = -EINVAL;
+ const struct mxc_jpeg_fmt *sibling;
+
+ switch (f->index) {
+ case 0:
+ f->pixelformat = q_data->fmt->fourcc;
+ ret = 0;
+ break;
+ case 1:
+ sibling = mxc_jpeg_get_sibling_format(q_data->fmt);
+ if (sibling) {
+ f->pixelformat = sibling->fourcc;
+ ret = 0;
+ }
+ break;
+ default:
+ break;
+ }
+ return ret;
}
}
@@ -1744,55 +1900,105 @@ static int mxc_jpeg_enum_fmt_vid_out(struct file *file, void *priv,
return 0;
}
-static int mxc_jpeg_try_fmt(struct v4l2_format *f, const struct mxc_jpeg_fmt *fmt,
- struct mxc_jpeg_ctx *ctx, int q_type)
+static u32 mxc_jpeg_get_fmt_type(struct mxc_jpeg_ctx *ctx, u32 type)
+{
+ if (ctx->mxc_jpeg->mode == MXC_JPEG_DECODE)
+ return V4L2_TYPE_IS_OUTPUT(type) ? MXC_JPEG_FMT_TYPE_ENC : MXC_JPEG_FMT_TYPE_RAW;
+ else
+ return V4L2_TYPE_IS_CAPTURE(type) ? MXC_JPEG_FMT_TYPE_ENC : MXC_JPEG_FMT_TYPE_RAW;
+}
+
+static u32 mxc_jpeg_get_default_fourcc(struct mxc_jpeg_ctx *ctx, u32 type)
+{
+ if (ctx->mxc_jpeg->mode == MXC_JPEG_DECODE)
+ return V4L2_TYPE_IS_OUTPUT(type) ? V4L2_PIX_FMT_JPEG : MXC_JPEG_DEFAULT_PFMT;
+ else
+ return V4L2_TYPE_IS_CAPTURE(type) ? V4L2_PIX_FMT_JPEG : MXC_JPEG_DEFAULT_PFMT;
+}
+
+static u32 mxc_jpeg_try_fourcc(struct mxc_jpeg_ctx *ctx, u32 fourcc)
+{
+ const struct mxc_jpeg_fmt *sibling;
+ struct mxc_jpeg_q_data *q_data_cap;
+
+ if (ctx->mxc_jpeg->mode != MXC_JPEG_DECODE)
+ return fourcc;
+ if (!ctx->header_parsed)
+ return fourcc;
+
+ q_data_cap = &ctx->cap_q;
+ if (q_data_cap->fmt->fourcc == fourcc)
+ return fourcc;
+
+ sibling = mxc_jpeg_get_sibling_format(q_data_cap->fmt);
+ if (sibling && sibling->fourcc == fourcc)
+ return sibling->fourcc;
+
+ return q_data_cap->fmt->fourcc;
+}
+
+static int mxc_jpeg_try_fmt(struct v4l2_format *f,
+ struct mxc_jpeg_ctx *ctx, struct mxc_jpeg_q_data *q_data)
{
+ const struct mxc_jpeg_fmt *fmt;
struct v4l2_pix_format_mplane *pix_mp = &f->fmt.pix_mp;
struct v4l2_plane_pix_format *pfmt;
+ u32 fourcc = f->fmt.pix_mp.pixelformat;
u32 w = (pix_mp->width < MXC_JPEG_MAX_WIDTH) ?
pix_mp->width : MXC_JPEG_MAX_WIDTH;
u32 h = (pix_mp->height < MXC_JPEG_MAX_HEIGHT) ?
pix_mp->height : MXC_JPEG_MAX_HEIGHT;
int i;
- struct mxc_jpeg_q_data tmp_q;
+
+ fmt = mxc_jpeg_find_format(ctx, fourcc);
+ if (!fmt || fmt->flags != mxc_jpeg_get_fmt_type(ctx, f->type)) {
+ dev_warn(ctx->mxc_jpeg->dev, "Format not supported: %c%c%c%c, use the default.\n",
+ (fourcc & 0xff),
+ (fourcc >> 8) & 0xff,
+ (fourcc >> 16) & 0xff,
+ (fourcc >> 24) & 0xff);
+ fourcc = mxc_jpeg_get_default_fourcc(ctx, f->type);
+ fmt = mxc_jpeg_find_format(ctx, fourcc);
+ if (!fmt)
+ return -EINVAL;
+ f->fmt.pix_mp.pixelformat = fourcc;
+ }
+ q_data->fmt = fmt;
memset(pix_mp->reserved, 0, sizeof(pix_mp->reserved));
pix_mp->field = V4L2_FIELD_NONE;
- pix_mp->num_planes = fmt->colplanes;
+ pix_mp->num_planes = fmt->mem_planes;
pix_mp->pixelformat = fmt->fourcc;
- pix_mp->width = w;
- pix_mp->height = h;
- v4l_bound_align_image(&w,
+ q_data->w = w;
+ q_data->h = h;
+ q_data->w_adjusted = w;
+ q_data->h_adjusted = h;
+ v4l_bound_align_image(&q_data->w_adjusted,
w, /* adjust upwards*/
MXC_JPEG_MAX_WIDTH,
fmt->h_align,
- &h,
+ &q_data->h_adjusted,
h, /* adjust upwards*/
MXC_JPEG_MAX_HEIGHT,
- 0,
+ fmt->v_align,
0);
-
- /* get user input into the tmp_q */
- tmp_q.w = w;
- tmp_q.h = h;
- tmp_q.fmt = fmt;
for (i = 0; i < pix_mp->num_planes; i++) {
pfmt = &pix_mp->plane_fmt[i];
- tmp_q.bytesperline[i] = pfmt->bytesperline;
- tmp_q.sizeimage[i] = pfmt->sizeimage;
+ q_data->bytesperline[i] = pfmt->bytesperline;
+ q_data->sizeimage[i] = pfmt->sizeimage;
}
- /* calculate bytesperline & sizeimage into the tmp_q */
- mxc_jpeg_bytesperline(&tmp_q, fmt->precision);
- mxc_jpeg_sizeimage(&tmp_q);
+ /* calculate bytesperline & sizeimage */
+ mxc_jpeg_bytesperline(q_data, fmt->precision);
+ mxc_jpeg_sizeimage(q_data);
/* adjust user format according to our calculations */
for (i = 0; i < pix_mp->num_planes; i++) {
pfmt = &pix_mp->plane_fmt[i];
memset(pfmt->reserved, 0, sizeof(pfmt->reserved));
- pfmt->bytesperline = tmp_q.bytesperline[i];
- pfmt->sizeimage = tmp_q.sizeimage[i];
+ pfmt->bytesperline = q_data->bytesperline[i];
+ pfmt->sizeimage = mxc_jpeg_get_plane_size(q_data, i);
}
/* fix colorspace information to sRGB for both output & capture */
@@ -1806,6 +2012,16 @@ static int mxc_jpeg_try_fmt(struct v4l2_format *f, const struct mxc_jpeg_fmt *fm
*/
pix_mp->quantization = V4L2_QUANTIZATION_FULL_RANGE;
+ if (fmt->flags == MXC_JPEG_FMT_TYPE_RAW) {
+ q_data->crop.left = 0;
+ q_data->crop.top = 0;
+ q_data->crop.width = q_data->w;
+ q_data->crop.height = q_data->h;
+ }
+
+ pix_mp->width = q_data->w_adjusted;
+ pix_mp->height = q_data->h_adjusted;
+
return 0;
}
@@ -1815,29 +2031,17 @@ static int mxc_jpeg_try_fmt_vid_cap(struct file *file, void *priv,
struct mxc_jpeg_ctx *ctx = mxc_jpeg_fh_to_ctx(priv);
struct mxc_jpeg_dev *jpeg = ctx->mxc_jpeg;
struct device *dev = jpeg->dev;
- const struct mxc_jpeg_fmt *fmt;
- u32 fourcc = f->fmt.pix_mp.pixelformat;
-
- int q_type = (jpeg->mode == MXC_JPEG_DECODE) ?
- MXC_JPEG_FMT_TYPE_RAW : MXC_JPEG_FMT_TYPE_ENC;
+ struct mxc_jpeg_q_data tmp_q;
if (!V4L2_TYPE_IS_MULTIPLANAR(f->type)) {
dev_err(dev, "TRY_FMT with Invalid type: %d\n", f->type);
return -EINVAL;
}
- fmt = mxc_jpeg_find_format(ctx, fourcc);
- if (!fmt || fmt->flags != q_type) {
- dev_warn(dev, "Format not supported: %c%c%c%c, use the default.\n",
- (fourcc & 0xff),
- (fourcc >> 8) & 0xff,
- (fourcc >> 16) & 0xff,
- (fourcc >> 24) & 0xff);
- f->fmt.pix_mp.pixelformat = (jpeg->mode == MXC_JPEG_DECODE) ?
- MXC_JPEG_DEFAULT_PFMT : V4L2_PIX_FMT_JPEG;
- fmt = mxc_jpeg_find_format(ctx, f->fmt.pix_mp.pixelformat);
- }
- return mxc_jpeg_try_fmt(f, fmt, ctx, q_type);
+ if (ctx->mxc_jpeg->mode != MXC_JPEG_DECODE && V4L2_TYPE_IS_CAPTURE(f->type))
+ f->fmt.pix_mp.pixelformat = mxc_jpeg_try_fourcc(ctx, f->fmt.pix_mp.pixelformat);
+
+ return mxc_jpeg_try_fmt(f, ctx, &tmp_q);
}
static int mxc_jpeg_try_fmt_vid_out(struct file *file, void *priv,
@@ -1846,88 +2050,55 @@ static int mxc_jpeg_try_fmt_vid_out(struct file *file, void *priv,
struct mxc_jpeg_ctx *ctx = mxc_jpeg_fh_to_ctx(priv);
struct mxc_jpeg_dev *jpeg = ctx->mxc_jpeg;
struct device *dev = jpeg->dev;
- const struct mxc_jpeg_fmt *fmt;
- u32 fourcc = f->fmt.pix_mp.pixelformat;
-
- int q_type = (jpeg->mode == MXC_JPEG_ENCODE) ?
- MXC_JPEG_FMT_TYPE_RAW : MXC_JPEG_FMT_TYPE_ENC;
+ struct mxc_jpeg_q_data tmp_q;
if (!V4L2_TYPE_IS_MULTIPLANAR(f->type)) {
dev_err(dev, "TRY_FMT with Invalid type: %d\n", f->type);
return -EINVAL;
}
- fmt = mxc_jpeg_find_format(ctx, fourcc);
- if (!fmt || fmt->flags != q_type) {
- dev_warn(dev, "Format not supported: %c%c%c%c, use the default.\n",
- (fourcc & 0xff),
- (fourcc >> 8) & 0xff,
- (fourcc >> 16) & 0xff,
- (fourcc >> 24) & 0xff);
- f->fmt.pix_mp.pixelformat = (jpeg->mode == MXC_JPEG_ENCODE) ?
- MXC_JPEG_DEFAULT_PFMT : V4L2_PIX_FMT_JPEG;
- fmt = mxc_jpeg_find_format(ctx, f->fmt.pix_mp.pixelformat);
- }
- return mxc_jpeg_try_fmt(f, fmt, ctx, q_type);
+ return mxc_jpeg_try_fmt(f, ctx, &tmp_q);
+}
+
+static void mxc_jpeg_s_parsed_fmt(struct mxc_jpeg_ctx *ctx, struct v4l2_format *f)
+{
+ struct v4l2_pix_format_mplane *pix_mp = &f->fmt.pix_mp;
+ struct mxc_jpeg_q_data *q_data_cap;
+
+ if (ctx->mxc_jpeg->mode != MXC_JPEG_DECODE || !V4L2_TYPE_IS_CAPTURE(f->type))
+ return;
+ if (!ctx->header_parsed)
+ return;
+
+ q_data_cap = mxc_jpeg_get_q_data(ctx, f->type);
+ pix_mp->pixelformat = mxc_jpeg_try_fourcc(ctx, pix_mp->pixelformat);
+ pix_mp->width = q_data_cap->w;
+ pix_mp->height = q_data_cap->h;
}
static int mxc_jpeg_s_fmt(struct mxc_jpeg_ctx *ctx,
struct v4l2_format *f)
{
struct vb2_queue *vq;
- struct mxc_jpeg_q_data *q_data = NULL;
- struct v4l2_pix_format_mplane *pix_mp = &f->fmt.pix_mp;
struct mxc_jpeg_dev *jpeg = ctx->mxc_jpeg;
- int i;
vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, f->type);
if (!vq)
return -EINVAL;
- q_data = mxc_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 = mxc_jpeg_find_format(ctx, pix_mp->pixelformat);
- q_data->w = pix_mp->width;
- q_data->h = pix_mp->height;
-
- q_data->w_adjusted = q_data->w;
- q_data->h_adjusted = q_data->h;
- /*
- * align up the resolution for CAST IP,
- * but leave the buffer resolution unchanged
- */
- v4l_bound_align_image(&q_data->w_adjusted,
- q_data->w_adjusted, /* adjust upwards */
- MXC_JPEG_MAX_WIDTH,
- q_data->fmt->h_align,
- &q_data->h_adjusted,
- q_data->h_adjusted, /* adjust upwards */
- MXC_JPEG_MAX_HEIGHT,
- q_data->fmt->v_align,
- 0);
-
- for (i = 0; i < pix_mp->num_planes; i++) {
- q_data->bytesperline[i] = pix_mp->plane_fmt[i].bytesperline;
- q_data->sizeimage[i] = pix_mp->plane_fmt[i].sizeimage;
- }
+ mxc_jpeg_s_parsed_fmt(ctx, f);
- return 0;
+ return mxc_jpeg_try_fmt(f, ctx, mxc_jpeg_get_q_data(ctx, f->type));
}
static int mxc_jpeg_s_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
- int ret;
-
- ret = mxc_jpeg_try_fmt_vid_cap(file, priv, f);
- if (ret)
- return ret;
-
return mxc_jpeg_s_fmt(mxc_jpeg_fh_to_ctx(priv), f);
}
@@ -1941,10 +2112,6 @@ static int mxc_jpeg_s_fmt_vid_out(struct file *file, void *priv,
enum v4l2_buf_type cap_type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
struct v4l2_format fc;
- ret = mxc_jpeg_try_fmt_vid_out(file, priv, f);
- if (ret)
- return ret;
-
ret = mxc_jpeg_s_fmt(mxc_jpeg_fh_to_ctx(priv), f);
if (ret)
return ret;
@@ -1990,6 +2157,10 @@ static int mxc_jpeg_g_fmt_vid(struct file *file, void *priv,
pix_mp->width = q_data->w;
pix_mp->height = q_data->h;
pix_mp->field = V4L2_FIELD_NONE;
+ if (q_data->fmt->flags == MXC_JPEG_FMT_TYPE_RAW) {
+ pix_mp->width = q_data->w_adjusted;
+ pix_mp->height = q_data->h_adjusted;
+ }
/* fix colorspace information to sRGB for both output & capture */
pix_mp->colorspace = V4L2_COLORSPACE_SRGB;
@@ -1997,15 +2168,109 @@ static int mxc_jpeg_g_fmt_vid(struct file *file, void *priv,
pix_mp->xfer_func = V4L2_XFER_FUNC_SRGB;
pix_mp->quantization = V4L2_QUANTIZATION_FULL_RANGE;
- pix_mp->num_planes = q_data->fmt->colplanes;
+ pix_mp->num_planes = q_data->fmt->mem_planes;
for (i = 0; i < pix_mp->num_planes; i++) {
pix_mp->plane_fmt[i].bytesperline = q_data->bytesperline[i];
- pix_mp->plane_fmt[i].sizeimage = q_data->sizeimage[i];
+ pix_mp->plane_fmt[i].sizeimage = mxc_jpeg_get_plane_size(q_data, i);
+ }
+
+ return 0;
+}
+
+static int mxc_jpeg_dec_g_selection(struct file *file, void *fh, struct v4l2_selection *s)
+{
+ struct mxc_jpeg_ctx *ctx = mxc_jpeg_fh_to_ctx(fh);
+ struct mxc_jpeg_q_data *q_data_cap;
+
+ if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE && s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
+ return -EINVAL;
+
+ q_data_cap = mxc_jpeg_get_q_data(ctx, s->type);
+
+ switch (s->target) {
+ case V4L2_SEL_TGT_COMPOSE:
+ case V4L2_SEL_TGT_COMPOSE_DEFAULT:
+ s->r = q_data_cap->crop;
+ break;
+ case V4L2_SEL_TGT_COMPOSE_PADDED:
+ case V4L2_SEL_TGT_COMPOSE_BOUNDS:
+ s->r.left = 0;
+ s->r.top = 0;
+ s->r.width = q_data_cap->w_adjusted;
+ s->r.height = q_data_cap->h_adjusted;
+ break;
+ default:
+ return -EINVAL;
}
return 0;
}
+static int mxc_jpeg_enc_g_selection(struct file *file, void *fh, struct v4l2_selection *s)
+{
+ struct mxc_jpeg_ctx *ctx = mxc_jpeg_fh_to_ctx(fh);
+ struct mxc_jpeg_q_data *q_data_out;
+
+ if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT && s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
+ return -EINVAL;
+
+ q_data_out = mxc_jpeg_get_q_data(ctx, s->type);
+
+ switch (s->target) {
+ case V4L2_SEL_TGT_CROP_DEFAULT:
+ case V4L2_SEL_TGT_CROP_BOUNDS:
+ s->r.left = 0;
+ s->r.top = 0;
+ s->r.width = q_data_out->w;
+ s->r.height = q_data_out->h;
+ break;
+ case V4L2_SEL_TGT_CROP:
+ s->r = q_data_out->crop;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int mxc_jpeg_g_selection(struct file *file, void *fh, struct v4l2_selection *s)
+{
+ struct mxc_jpeg_ctx *ctx = mxc_jpeg_fh_to_ctx(fh);
+
+ if (ctx->mxc_jpeg->mode == MXC_JPEG_DECODE)
+ return mxc_jpeg_dec_g_selection(file, fh, s);
+ else
+ return mxc_jpeg_enc_g_selection(file, fh, s);
+}
+
+static int mxc_jpeg_s_selection(struct file *file, void *fh, struct v4l2_selection *s)
+{
+ struct mxc_jpeg_ctx *ctx = mxc_jpeg_fh_to_ctx(fh);
+ struct mxc_jpeg_q_data *q_data_out;
+
+ if (ctx->mxc_jpeg->mode != MXC_JPEG_ENCODE)
+ return -ENOTTY;
+
+ if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT && s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
+ return -EINVAL;
+ if (s->target != V4L2_SEL_TGT_CROP)
+ return -EINVAL;
+
+ q_data_out = mxc_jpeg_get_q_data(ctx, s->type);
+ if (s->r.left || s->r.top)
+ return -EINVAL;
+ if (s->r.width > q_data_out->w || s->r.height > q_data_out->h)
+ return -EINVAL;
+
+ q_data_out->crop.left = 0;
+ q_data_out->crop.top = 0;
+ q_data_out->crop.width = s->r.width;
+ q_data_out->crop.height = s->r.height;
+
+ return 0;
+}
+
static int mxc_jpeg_subscribe_event(struct v4l2_fh *fh,
const struct v4l2_event_subscription *sub)
{
@@ -2035,6 +2300,9 @@ static const struct v4l2_ioctl_ops mxc_jpeg_ioctl_ops = {
.vidioc_g_fmt_vid_cap_mplane = mxc_jpeg_g_fmt_vid,
.vidioc_g_fmt_vid_out_mplane = mxc_jpeg_g_fmt_vid,
+ .vidioc_g_selection = mxc_jpeg_g_selection,
+ .vidioc_s_selection = mxc_jpeg_s_selection,
+
.vidioc_subscribe_event = mxc_jpeg_subscribe_event,
.vidioc_unsubscribe_event = v4l2_event_unsubscribe,
@@ -2163,6 +2431,8 @@ static int mxc_jpeg_probe(struct platform_device *pdev)
unsigned int slot;
of_id = of_match_node(mxc_jpeg_match, dev->of_node);
+ if (!of_id)
+ return -ENODEV;
mode = *(const int *)of_id->data;
jpeg = devm_kzalloc(dev, sizeof(struct mxc_jpeg_dev), GFP_KERNEL);