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path: root/drivers/media/platform/exynos4-is/fimc-isp.c
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Diffstat (limited to 'drivers/media/platform/exynos4-is/fimc-isp.c')
-rw-r--r--drivers/media/platform/exynos4-is/fimc-isp.c130
1 files changed, 92 insertions, 38 deletions
diff --git a/drivers/media/platform/exynos4-is/fimc-isp.c b/drivers/media/platform/exynos4-is/fimc-isp.c
index 7ede30b5910f..cf520a7d7f71 100644
--- a/drivers/media/platform/exynos4-is/fimc-isp.c
+++ b/drivers/media/platform/exynos4-is/fimc-isp.c
@@ -30,8 +30,8 @@
#include "fimc-is-regs.h"
#include "fimc-is.h"
-static int debug;
-module_param_named(debug_isp, debug, int, S_IRUGO | S_IWUSR);
+int fimc_isp_debug;
+module_param_named(debug_isp, fimc_isp_debug, int, S_IRUGO | S_IWUSR);
static const struct fimc_fmt fimc_isp_formats[FIMC_ISP_NUM_FORMATS] = {
{
@@ -128,57 +128,70 @@ static int fimc_isp_subdev_get_fmt(struct v4l2_subdev *sd,
struct v4l2_subdev_format *fmt)
{
struct fimc_isp *isp = v4l2_get_subdevdata(sd);
- struct fimc_is *is = fimc_isp_to_is(isp);
struct v4l2_mbus_framefmt *mf = &fmt->format;
- struct v4l2_mbus_framefmt cur_fmt;
if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) {
- mf = v4l2_subdev_get_try_format(fh, fmt->pad);
- fmt->format = *mf;
+ *mf = *v4l2_subdev_get_try_format(fh, fmt->pad);
return 0;
}
mf->colorspace = V4L2_COLORSPACE_SRGB;
mutex_lock(&isp->subdev_lock);
- __is_get_frame_size(is, &cur_fmt);
if (fmt->pad == FIMC_ISP_SD_PAD_SINK) {
- /* full camera input frame size */
- mf->width = cur_fmt.width + FIMC_ISP_CAC_MARGIN_WIDTH;
- mf->height = cur_fmt.height + FIMC_ISP_CAC_MARGIN_HEIGHT;
- mf->code = V4L2_MBUS_FMT_SGRBG10_1X10;
+ /* ISP OTF input image format */
+ *mf = isp->sink_fmt;
} else {
- /* crop size */
- mf->width = cur_fmt.width;
- mf->height = cur_fmt.height;
- mf->code = V4L2_MBUS_FMT_YUV10_1X30;
+ /* ISP OTF output image format */
+ *mf = isp->src_fmt;
+
+ if (fmt->pad == FIMC_ISP_SD_PAD_SRC_FIFO) {
+ mf->colorspace = V4L2_COLORSPACE_JPEG;
+ mf->code = V4L2_MBUS_FMT_YUV10_1X30;
+ }
}
mutex_unlock(&isp->subdev_lock);
- v4l2_dbg(1, debug, sd, "%s: pad%d: fmt: 0x%x, %dx%d\n",
- __func__, fmt->pad, mf->code, mf->width, mf->height);
+ isp_dbg(1, sd, "%s: pad%d: fmt: 0x%x, %dx%d\n", __func__,
+ fmt->pad, mf->code, mf->width, mf->height);
return 0;
}
static void __isp_subdev_try_format(struct fimc_isp *isp,
- struct v4l2_subdev_format *fmt)
+ struct v4l2_subdev_fh *fh,
+ struct v4l2_subdev_format *fmt)
{
struct v4l2_mbus_framefmt *mf = &fmt->format;
+ struct v4l2_mbus_framefmt *format;
+
+ mf->colorspace = V4L2_COLORSPACE_SRGB;
if (fmt->pad == FIMC_ISP_SD_PAD_SINK) {
v4l_bound_align_image(&mf->width, FIMC_ISP_SINK_WIDTH_MIN,
FIMC_ISP_SINK_WIDTH_MAX, 0,
&mf->height, FIMC_ISP_SINK_HEIGHT_MIN,
FIMC_ISP_SINK_HEIGHT_MAX, 0, 0);
- isp->subdev_fmt = *mf;
+ mf->code = V4L2_MBUS_FMT_SGRBG10_1X10;
} else {
+ if (fmt->which == V4L2_SUBDEV_FORMAT_TRY)
+ format = v4l2_subdev_get_try_format(fh,
+ FIMC_ISP_SD_PAD_SINK);
+ else
+ format = &isp->sink_fmt;
+
/* Allow changing format only on sink pad */
- mf->width = isp->subdev_fmt.width - FIMC_ISP_CAC_MARGIN_WIDTH;
- mf->height = isp->subdev_fmt.height - FIMC_ISP_CAC_MARGIN_HEIGHT;
- mf->code = isp->subdev_fmt.code;
+ mf->width = format->width - FIMC_ISP_CAC_MARGIN_WIDTH;
+ mf->height = format->height - FIMC_ISP_CAC_MARGIN_HEIGHT;
+
+ if (fmt->pad == FIMC_ISP_SD_PAD_SRC_FIFO) {
+ mf->code = V4L2_MBUS_FMT_YUV10_1X30;
+ mf->colorspace = V4L2_COLORSPACE_JPEG;
+ } else {
+ mf->code = format->code;
+ }
}
}
@@ -191,27 +204,50 @@ static int fimc_isp_subdev_set_fmt(struct v4l2_subdev *sd,
struct v4l2_mbus_framefmt *mf = &fmt->format;
int ret = 0;
- v4l2_dbg(1, debug, sd, "%s: pad%d: code: 0x%x, %dx%d\n",
+ isp_dbg(1, sd, "%s: pad%d: code: 0x%x, %dx%d\n",
__func__, fmt->pad, mf->code, mf->width, mf->height);
- mf->colorspace = V4L2_COLORSPACE_SRGB;
-
mutex_lock(&isp->subdev_lock);
- __isp_subdev_try_format(isp, fmt);
+ __isp_subdev_try_format(isp, fh, fmt);
if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) {
mf = v4l2_subdev_get_try_format(fh, fmt->pad);
*mf = fmt->format;
- mutex_unlock(&isp->subdev_lock);
- return 0;
+
+ /* Propagate format to the source pads */
+ if (fmt->pad == FIMC_ISP_SD_PAD_SINK) {
+ struct v4l2_subdev_format format = *fmt;
+ unsigned int pad;
+
+ for (pad = FIMC_ISP_SD_PAD_SRC_FIFO;
+ pad < FIMC_ISP_SD_PADS_NUM; pad++) {
+ format.pad = pad;
+ __isp_subdev_try_format(isp, fh, &format);
+ mf = v4l2_subdev_get_try_format(fh, pad);
+ *mf = format.format;
+ }
+ }
+ } else {
+ if (sd->entity.stream_count == 0) {
+ if (fmt->pad == FIMC_ISP_SD_PAD_SINK) {
+ struct v4l2_subdev_format format = *fmt;
+
+ isp->sink_fmt = *mf;
+
+ format.pad = FIMC_ISP_SD_PAD_SRC_DMA;
+ __isp_subdev_try_format(isp, fh, &format);
+
+ isp->src_fmt = format.format;
+ __is_set_frame_size(is, &isp->src_fmt);
+ } else {
+ isp->src_fmt = *mf;
+ }
+ } else {
+ ret = -EBUSY;
+ }
}
- if (sd->entity.stream_count == 0)
- __is_set_frame_size(is, mf);
- else
- ret = -EBUSY;
mutex_unlock(&isp->subdev_lock);
-
return ret;
}
@@ -221,7 +257,7 @@ static int fimc_isp_subdev_s_stream(struct v4l2_subdev *sd, int on)
struct fimc_is *is = fimc_isp_to_is(isp);
int ret;
- v4l2_dbg(1, debug, sd, "%s: on: %d\n", __func__, on);
+ isp_dbg(1, sd, "%s: on: %d\n", __func__, on);
if (!test_bit(IS_ST_INIT_DONE, &is->state))
return -EBUSY;
@@ -235,8 +271,8 @@ static int fimc_isp_subdev_s_stream(struct v4l2_subdev *sd, int on)
return ret;
}
- v4l2_dbg(1, debug, sd, "changing mode to %d\n",
- is->config_index);
+ isp_dbg(1, sd, "changing mode to %d\n", is->config_index);
+
ret = fimc_is_itf_mode_change(is);
if (ret)
return -EINVAL;
@@ -317,8 +353,8 @@ static int fimc_isp_subdev_s_power(struct v4l2_subdev *sd, int on)
clear_bit(IS_ST_PWR_ON, &is->state);
clear_bit(IS_ST_INIT_DONE, &is->state);
is->state = 0;
- is->config[is->config_index].p_region_index1 = 0;
- is->config[is->config_index].p_region_index2 = 0;
+ is->config[is->config_index].p_region_index[0] = 0;
+ is->config[is->config_index].p_region_index[1] = 0;
set_bit(IS_ST_IDLE, &is->state);
wmb();
}
@@ -609,6 +645,22 @@ static const struct v4l2_ctrl_ops fimc_isp_ctrl_ops = {
.s_ctrl = fimc_is_s_ctrl,
};
+static void __isp_subdev_set_default_format(struct fimc_isp *isp)
+{
+ struct fimc_is *is = fimc_isp_to_is(isp);
+
+ isp->sink_fmt.width = DEFAULT_PREVIEW_STILL_WIDTH +
+ FIMC_ISP_CAC_MARGIN_WIDTH;
+ isp->sink_fmt.height = DEFAULT_PREVIEW_STILL_HEIGHT +
+ FIMC_ISP_CAC_MARGIN_HEIGHT;
+ isp->sink_fmt.code = V4L2_MBUS_FMT_SGRBG10_1X10;
+
+ isp->src_fmt.width = DEFAULT_PREVIEW_STILL_WIDTH;
+ isp->src_fmt.height = DEFAULT_PREVIEW_STILL_HEIGHT;
+ isp->src_fmt.code = V4L2_MBUS_FMT_SGRBG10_1X10;
+ __is_set_frame_size(is, &isp->src_fmt);
+}
+
int fimc_isp_subdev_create(struct fimc_isp *isp)
{
const struct v4l2_ctrl_ops *ops = &fimc_isp_ctrl_ops;
@@ -689,6 +741,8 @@ int fimc_isp_subdev_create(struct fimc_isp *isp)
sd->entity.ops = &fimc_is_subdev_media_ops;
v4l2_set_subdevdata(sd, isp);
+ __isp_subdev_set_default_format(isp);
+
return 0;
}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.