@@ -177,7 +177,9 @@ static int fimc_capture_config_update(struct fimc_ctx *ctx)
void fimc_capture_irq_handler(struct fimc_dev *fimc, int deq_buf)
{
+ struct v4l2_subdev *csis = fimc->pipeline.subdevs[IDX_CSIS];
struct fimc_vid_cap *cap = &fimc->vid_cap;
+ struct fimc_frame *f = &cap->ctx->d_frame;
struct fimc_vid_buffer *v_buf;
struct timeval *tv;
struct timespec ts;
@@ -216,6 +218,25 @@ void fimc_capture_irq_handler(struct fimc_dev *fimc, int deq_buf)
if (++cap->buf_index >= FIMC_MAX_OUT_BUFS)
cap->buf_index = 0;
}
+ /*
+ * Set up a buffer at MIPI-CSIS if current image format
+ * requires the frame embedded data capture.
+ */
+ if (f->fmt->mdataplanes && !list_empty(&cap->active_buf_q)) {
+ unsigned int plane = ffs(f->fmt->mdataplanes) - 1;
+ unsigned int size = f->payload[plane];
+ s32 index = fimc_hw_get_frame_index(fimc);
+ void *vaddr;
+
+ list_for_each_entry(v_buf, &cap->active_buf_q, list) {
+ if (v_buf->index != index)
+ continue;
+ vaddr = vb2_plane_vaddr(&v_buf->vb, plane);
+ v4l2_subdev_call(csis, video, s_rx_buffer,
+ vaddr, &size);
+ break;
+ }
+ }
if (cap->active_buf_cnt == 0) {
if (deq_buf)
@@ -351,6 +372,8 @@ static int queue_setup(struct vb2_queue *vq, const struct v4l2_format *pfmt,
unsigned int size = (wh * fmt->depth[i]) / 8;
if (pixm)
sizes[i] = max(size, pixm->plane_fmt[i].sizeimage);
+ else if (fimc_fmt_is_user_defined(fmt->color))
+ sizes[i] = frame->payload[i];
else
sizes[i] = max_t(u32, size, frame->payload[i]);
@@ -611,10 +634,10 @@ static struct fimc_fmt *fimc_capture_try_format(struct fimc_ctx *ctx,
u32 mask = FMT_FLAGS_CAM;
struct fimc_fmt *ffmt;
- /* Color conversion from/to JPEG is not supported */
+ /* Conversion from/to JPEG or User Defined format is not supported */
if (code && ctx->s_frame.fmt && pad == FIMC_SD_PAD_SOURCE &&
- fimc_fmt_is_jpeg(ctx->s_frame.fmt->color))
- *code = V4L2_MBUS_FMT_JPEG_1X8;
+ fimc_fmt_is_user_defined(ctx->s_frame.fmt->color))
+ *code = ctx->s_frame.fmt->mbus_code;
if (fourcc && *fourcc != V4L2_PIX_FMT_JPEG && pad != FIMC_SD_PAD_SINK)
mask |= FMT_FLAGS_M2M;
@@ -628,18 +651,19 @@ static struct fimc_fmt *fimc_capture_try_format(struct fimc_ctx *ctx,
*fourcc = ffmt->fourcc;
if (pad == FIMC_SD_PAD_SINK) {
- max_w = fimc_fmt_is_jpeg(ffmt->color) ?
+ max_w = fimc_fmt_is_user_defined(ffmt->color) ?
pl->scaler_dis_w : pl->scaler_en_w;
/* Apply the camera input interface pixel constraints */
v4l_bound_align_image(width, max_t(u32, *width, 32), max_w, 4,
height, max_t(u32, *height, 32),
FIMC_CAMIF_MAX_HEIGHT,
- fimc_fmt_is_jpeg(ffmt->color) ? 3 : 1,
+ fimc_fmt_is_user_defined(ffmt->color) ?
+ 3 : 1,
0);
return ffmt;
}
/* Can't scale or crop in transparent (JPEG) transfer mode */
- if (fimc_fmt_is_jpeg(ffmt->color)) {
+ if (fimc_fmt_is_user_defined(ffmt->color)) {
*width = ctx->s_frame.f_width;
*height = ctx->s_frame.f_height;
return ffmt;
@@ -684,7 +708,7 @@ static void fimc_capture_try_selection(struct fimc_ctx *ctx,
u32 max_sc_h, max_sc_v;
/* In JPEG transparent transfer mode cropping is not supported */
- if (fimc_fmt_is_jpeg(ctx->d_frame.fmt->color)) {
+ if (fimc_fmt_is_user_defined(ctx->d_frame.fmt->color)) {
r->width = sink->f_width;
r->height = sink->f_height;
r->left = r->top = 0;
@@ -847,6 +871,41 @@ static int fimc_pipeline_try_format(struct fimc_ctx *ctx,
return 0;
}
+/* Query the sensor for maximum buffer size (only for compressed/blob data). */
+static int get_subdev_frame_desc(struct v4l2_subdev *sensor,
+ struct v4l2_plane_pix_format *plane_fmt,
+ unsigned int num_planes, bool try)
+{
+ struct v4l2_mbus_frame_desc fd;
+ int i, ret;
+
+ for (i = 0; i < num_planes; i++)
+ fd.entry[i].length = plane_fmt[i].sizeimage;
+
+ if (try)
+ /* Try to set requested maximum frame size at the sensor */
+ ret = v4l2_subdev_call(sensor, pad, set_frame_desc, 0, &fd);
+ else
+ ret = v4l2_subdev_call(sensor, pad, get_frame_desc, 0, &fd);
+
+ if (ret < 0)
+ return ret;
+
+ if (num_planes != fd.num_entries)
+ return -EINVAL;
+
+ for (i = 0; i < num_planes; i++)
+ plane_fmt[i].sizeimage = fd.entry[i].length;
+
+ if (fd.entry[0].length > FIMC_MAX_JPEG_BUF_SIZE) {
+ pr_err("%s: Unsupported buffer size: %u\n", __func__,
+ fd.entry[0].length);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
static int fimc_cap_g_fmt_mplane(struct file *file, void *fh,
struct v4l2_format *f)
{
@@ -865,7 +924,7 @@ static int fimc_cap_try_fmt_mplane(struct file *file, void *fh,
struct v4l2_mbus_framefmt mf;
struct fimc_fmt *ffmt = NULL;
- if (pix->pixelformat == V4L2_PIX_FMT_JPEG) {
+ if (fimc_jpeg_fourcc(pix->pixelformat)) {
fimc_capture_try_format(ctx, &pix->width, &pix->height,
NULL, &pix->pixelformat,
FIMC_SD_PAD_SINK);
@@ -879,25 +938,31 @@ static int fimc_cap_try_fmt_mplane(struct file *file, void *fh,
return -EINVAL;
if (!fimc->vid_cap.user_subdev_api) {
- mf.width = pix->width;
+ mf.width = pix->width;
mf.height = pix->height;
- mf.code = ffmt->mbus_code;
+ mf.code = ffmt->mbus_code;
fimc_md_graph_lock(fimc);
fimc_pipeline_try_format(ctx, &mf, &ffmt, false);
fimc_md_graph_unlock(fimc);
-
- pix->width = mf.width;
- pix->height = mf.height;
+ pix->width = mf.width;
+ pix->height = mf.height;
if (ffmt)
pix->pixelformat = ffmt->fourcc;
}
fimc_adjust_mplane_format(ffmt, pix->width, pix->height, pix);
+
+ if (ffmt->flags & FMT_FLAGS_COMPRESSED)
+ get_subdev_frame_desc(fimc->pipeline.subdevs[IDX_SENSOR],
+ pix->plane_fmt, ffmt->memplanes, true);
return 0;
}
-static void fimc_capture_mark_jpeg_xfer(struct fimc_ctx *ctx, bool jpeg)
+static void fimc_capture_mark_jpeg_xfer(struct fimc_ctx *ctx,
+ enum fimc_color_fmt color)
{
+ bool jpeg = fimc_fmt_is_user_defined(color);
+
ctx->scaler.enabled = !jpeg;
fimc_ctrls_activate(ctx, !jpeg);
@@ -920,7 +985,7 @@ static int fimc_capture_set_format(struct fimc_dev *fimc, struct v4l2_format *f)
return -EBUSY;
/* Pre-configure format at camera interface input, for JPEG only */
- if (pix->pixelformat == V4L2_PIX_FMT_JPEG) {
+ if (fimc_jpeg_fourcc(pix->pixelformat)) {
fimc_capture_try_format(ctx, &pix->width, &pix->height,
NULL, &pix->pixelformat,
FIMC_SD_PAD_SINK);
@@ -953,7 +1018,16 @@ static int fimc_capture_set_format(struct fimc_dev *fimc, struct v4l2_format *f)
}
fimc_adjust_mplane_format(ff->fmt, pix->width, pix->height, pix);
- for (i = 0; i < ff->fmt->colplanes; i++)
+
+ if (ff->fmt->flags & FMT_FLAGS_COMPRESSED) {
+ ret = get_subdev_frame_desc(fimc->pipeline.subdevs[IDX_SENSOR],
+ pix->plane_fmt, ff->fmt->memplanes,
+ true);
+ if (ret < 0)
+ return ret;
+ }
+
+ for (i = 0; i < ff->fmt->memplanes; i++)
ff->payload[i] = pix->plane_fmt[i].sizeimage;
set_frame_bounds(ff, pix->width, pix->height);
@@ -961,7 +1035,7 @@ static int fimc_capture_set_format(struct fimc_dev *fimc, struct v4l2_format *f)
if (!(ctx->state & FIMC_COMPOSE))
set_frame_crop(ff, 0, 0, pix->width, pix->height);
- fimc_capture_mark_jpeg_xfer(ctx, fimc_fmt_is_jpeg(ff->fmt->color));
+ fimc_capture_mark_jpeg_xfer(ctx, ff->fmt->color);
/* Reset cropping and set format at the camera interface input */
if (!fimc->vid_cap.user_subdev_api) {
@@ -1063,6 +1137,24 @@ static int fimc_pipeline_validate(struct fimc_dev *fimc)
src_fmt.format.height != sink_fmt.format.height ||
src_fmt.format.code != sink_fmt.format.code)
return -EPIPE;
+
+ if (sd == fimc->pipeline.subdevs[IDX_SENSOR] &&
+ fimc_user_defined_mbus_fmt(src_fmt.format.code)) {
+ struct v4l2_plane_pix_format plane_fmt[FIMC_MAX_PLANES];
+ struct fimc_frame *frame = &vid_cap->ctx->d_frame;
+ unsigned int i;
+
+ ret = get_subdev_frame_desc(sd, plane_fmt,
+ frame->fmt->memplanes,
+ false);
+ if (ret < 0)
+ return -EPIPE;
+
+ for (i = 0; i < frame->fmt->memplanes; i++) {
+ if (frame->payload[i] < plane_fmt[i].sizeimage)
+ return -EPIPE;
+ }
+ }
}
return 0;
}
@@ -1424,7 +1516,7 @@ static int fimc_subdev_set_fmt(struct v4l2_subdev *sd,
/* Update RGB Alpha control state and value range */
fimc_alpha_ctrl_update(ctx);
- fimc_capture_mark_jpeg_xfer(ctx, fimc_fmt_is_jpeg(ffmt->color));
+ fimc_capture_mark_jpeg_xfer(ctx, ffmt->color);
ff = fmt->pad == FIMC_SD_PAD_SINK ?
&ctx->s_frame : &ctx->d_frame;
@@ -184,7 +184,17 @@ static struct fimc_fmt fimc_formats[] = {
.memplanes = 1,
.colplanes = 1,
.mbus_code = V4L2_MBUS_FMT_JPEG_1X8,
- .flags = FMT_FLAGS_CAM,
+ .flags = FMT_FLAGS_CAM | FMT_FLAGS_COMPRESSED,
+ }, {
+ .name = "S5C73MX interleaved UYVY/JPEG",
+ .fourcc = V4L2_PIX_FMT_S5C_UYVY_JPG,
+ .color = FIMC_FMT_YUYV_JPEG,
+ .depth = { 8 },
+ .memplanes = 2,
+ .colplanes = 1,
+ .mdataplanes = 0x2, /* plane 1 holds frame meta data */
+ .mbus_code = V4L2_MBUS_FMT_S5C_UYVY_JPEG_1X8,
+ .flags = FMT_FLAGS_CAM | FMT_FLAGS_COMPRESSED,
},
};
@@ -371,7 +381,7 @@ int fimc_prepare_addr(struct fimc_ctx *ctx, struct vb2_buffer *vb,
default:
return -EINVAL;
}
- } else {
+ } else if (!frame->fmt->mdataplanes) {
if (frame->fmt->memplanes >= 2)
paddr->cb = vb2_dma_contig_plane_dma_addr(vb, 1);
@@ -698,6 +708,11 @@ int fimc_fill_format(struct fimc_frame *frame, struct v4l2_format *f)
if (frame->fmt->colplanes == 1) /* packed formats */
bpl = (bpl * frame->fmt->depth[0]) / 8;
pixm->plane_fmt[i].bytesperline = bpl;
+
+ if (frame->fmt->flags & FMT_FLAGS_COMPRESSED) {
+ pixm->plane_fmt[i].sizeimage = frame->payload[i];
+ continue;
+ }
pixm->plane_fmt[i].sizeimage = (frame->o_width *
frame->o_height * frame->fmt->depth[i]) / 8;
}
@@ -40,6 +40,8 @@
#define SCALER_MAX_VRATIO 64
#define DMA_MIN_SIZE 8
#define FIMC_CAMIF_MAX_HEIGHT 0x2000
+#define FIMC_MAX_JPEG_BUF_SIZE (10 * SZ_1M)
+#define FIMC_MAX_PLANES 3
/* indices to the clocks array */
enum {
@@ -83,7 +85,7 @@ enum fimc_datapath {
};
enum fimc_color_fmt {
- FIMC_FMT_RGB444 = 0x10,
+ FIMC_FMT_RGB444 = 0x10,
FIMC_FMT_RGB555,
FIMC_FMT_RGB565,
FIMC_FMT_RGB666,
@@ -95,14 +97,15 @@ enum fimc_color_fmt {
FIMC_FMT_CBYCRY422,
FIMC_FMT_CRYCBY422,
FIMC_FMT_YCBCR444_LOCAL,
- FIMC_FMT_JPEG = 0x40,
- FIMC_FMT_RAW8 = 0x80,
+ FIMC_FMT_RAW8 = 0x40,
FIMC_FMT_RAW10,
FIMC_FMT_RAW12,
+ FIMC_FMT_JPEG = 0x80,
+ FIMC_FMT_YUYV_JPEG = 0x100,
};
+#define fimc_fmt_is_user_defined(x) (!!((x) & 0x180))
#define fimc_fmt_is_rgb(x) (!!((x) & 0x10))
-#define fimc_fmt_is_jpeg(x) (!!((x) & 0x40))
#define IS_M2M(__strt) ((__strt) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE || \
__strt == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
@@ -139,6 +142,7 @@ enum fimc_color_fmt {
* @memplanes: number of physically non-contiguous data planes
* @colplanes: number of physically contiguous data planes
* @depth: per plane driver's private 'number of bits per pixel'
+ * @mdataplanes: bitmask indicating meta data plane(s), (1 << plane_no)
* @flags: flags indicating which operation mode format applies to
*/
struct fimc_fmt {
@@ -149,12 +153,14 @@ struct fimc_fmt {
u16 memplanes;
u16 colplanes;
u8 depth[VIDEO_MAX_PLANES];
+ u16 mdataplanes;
u16 flags;
#define FMT_FLAGS_CAM (1 << 0)
#define FMT_FLAGS_M2M_IN (1 << 1)
#define FMT_FLAGS_M2M_OUT (1 << 2)
#define FMT_FLAGS_M2M (1 << 1 | 1 << 2)
#define FMT_HAS_ALPHA (1 << 3)
+#define FMT_FLAGS_COMPRESSED (1 << 4)
};
/**
@@ -272,7 +278,7 @@ struct fimc_frame {
u32 offs_v;
u32 width;
u32 height;
- unsigned long payload[VIDEO_MAX_PLANES];
+ unsigned int payload[VIDEO_MAX_PLANES];
struct fimc_addr paddr;
struct fimc_dma_offset dma_offset;
struct fimc_fmt *fmt;
@@ -577,6 +583,18 @@ static inline int tiled_fmt(struct fimc_fmt *fmt)
return fmt->fourcc == V4L2_PIX_FMT_NV12MT;
}
+static inline bool fimc_jpeg_fourcc(u32 pixelformat)
+{
+ return (pixelformat == V4L2_PIX_FMT_JPEG ||
+ pixelformat == V4L2_PIX_FMT_S5C_UYVY_JPG);
+}
+
+static inline bool fimc_user_defined_mbus_fmt(u32 code)
+{
+ return (code == V4L2_MBUS_FMT_JPEG_1X8 ||
+ code == V4L2_MBUS_FMT_S5C_UYVY_JPEG_1X8);
+}
+
/* Return the alpha component bit mask */
static inline int fimc_get_alpha_mask(struct fimc_fmt *fmt)
{
@@ -625,7 +625,7 @@ int fimc_hw_set_camera_source(struct fimc_dev *fimc,
cfg |= FIMC_REG_CISRCFMT_ITU601_16BIT;
} /* else defaults to ITU-R BT.656 8-bit */
} else if (cam->bus_type == FIMC_MIPI_CSI2) {
- if (fimc_fmt_is_jpeg(f->fmt->color))
+ if (fimc_fmt_is_user_defined(f->fmt->color))
cfg |= FIMC_REG_CISRCFMT_ITU601_8BIT;
}
@@ -680,6 +680,7 @@ int fimc_hw_set_camera_type(struct fimc_dev *fimc,
tmp = FIMC_REG_CSIIMGFMT_YCBCR422_8BIT;
break;
case V4L2_MBUS_FMT_JPEG_1X8:
+ case V4L2_MBUS_FMT_S5C_UYVY_JPEG_1X8:
tmp = FIMC_REG_CSIIMGFMT_USER(1);
cfg |= FIMC_REG_CIGCTRL_CAM_JPEG;
break;
@@ -744,13 +745,13 @@ void fimc_hw_dis_capture(struct fimc_dev *dev)
}
/* Return an index to the buffer actually being written. */
-u32 fimc_hw_get_frame_index(struct fimc_dev *dev)
+s32 fimc_hw_get_frame_index(struct fimc_dev *dev)
{
- u32 reg;
+ s32 reg;
if (dev->variant->has_cistatus2) {
- reg = readl(dev->regs + FIMC_REG_CISTATUS2) & 0x3F;
- return reg > 0 ? --reg : reg;
+ reg = readl(dev->regs + FIMC_REG_CISTATUS2) & 0x3f;
+ return reg - 1;
}
reg = readl(dev->regs + FIMC_REG_CISTATUS);
@@ -759,6 +760,18 @@ u32 fimc_hw_get_frame_index(struct fimc_dev *dev)
FIMC_REG_CISTATUS_FRAMECNT_SHIFT;
}
+/* Return an index to the buffer being written previously. */
+s32 fimc_hw_get_prev_frame_index(struct fimc_dev *dev)
+{
+ s32 reg;
+
+ if (!dev->variant->has_cistatus2)
+ return -1;
+
+ reg = readl(dev->regs + FIMC_REG_CISTATUS2);
+ return ((reg >> 7) & 0x3f) - 1;
+}
+
/* Locking: the caller holds fimc->slock */
void fimc_activate_capture(struct fimc_ctx *ctx)
{
@@ -307,7 +307,8 @@ void fimc_hw_clear_irq(struct fimc_dev *dev);
void fimc_hw_enable_scaler(struct fimc_dev *dev, bool on);
void fimc_hw_activate_input_dma(struct fimc_dev *dev, bool on);
void fimc_hw_dis_capture(struct fimc_dev *dev);
-u32 fimc_hw_get_frame_index(struct fimc_dev *dev);
+s32 fimc_hw_get_frame_index(struct fimc_dev *dev);
+s32 fimc_hw_get_prev_frame_index(struct fimc_dev *dev);
void fimc_activate_capture(struct fimc_ctx *ctx);
void fimc_deactivate_capture(struct fimc_dev *fimc);
@@ -216,7 +216,11 @@ static const struct csis_pix_format s5pcsis_formats[] = {
.code = V4L2_MBUS_FMT_JPEG_1X8,
.fmt_reg = S5PCSIS_CFG_FMT_USER(1),
.data_alignment = 32,
- },
+ }, {
+ .code = V4L2_MBUS_FMT_S5C_UYVY_JPEG_1X8,
+ .fmt_reg = S5PCSIS_CFG_FMT_USER(1),
+ .data_alignment = 32,
+ }
};
#define s5pcsis_write(__csis, __r, __v) writel(__v, __csis->regs + __r)
@@ -280,7 +284,7 @@ static void __s5pcsis_set_format(struct csis_state *state)
struct v4l2_mbus_framefmt *mf = &state->format;
u32 val;
- v4l2_dbg(1, debug, &state->sd, "fmt: %d, %d x %d\n",
+ v4l2_dbg(1, debug, &state->sd, "fmt: %#x, %d x %d\n",
mf->code, mf->width, mf->height);
/* Color format */