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path: root/drivers/media/test-drivers/vimc/vimc-scaler.c
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Diffstat (limited to 'drivers/media/test-drivers/vimc/vimc-scaler.c')
-rw-r--r--drivers/media/test-drivers/vimc/vimc-scaler.c216
1 files changed, 108 insertions, 108 deletions
diff --git a/drivers/media/test-drivers/vimc/vimc-scaler.c b/drivers/media/test-drivers/vimc/vimc-scaler.c
index 820b8f5b502f..b671774e2784 100644
--- a/drivers/media/test-drivers/vimc/vimc-scaler.c
+++ b/drivers/media/test-drivers/vimc/vimc-scaler.c
@@ -16,14 +16,14 @@
/* Pad identifier */
enum vic_sca_pad {
- VIMC_SCA_SINK = 0,
- VIMC_SCA_SRC = 1,
+ VIMC_SCALER_SINK = 0,
+ VIMC_SCALER_SRC = 1,
};
-#define VIMC_SCA_FMT_WIDTH_DEFAULT 640
-#define VIMC_SCA_FMT_HEIGHT_DEFAULT 480
+#define VIMC_SCALER_FMT_WIDTH_DEFAULT 640
+#define VIMC_SCALER_FMT_HEIGHT_DEFAULT 480
-struct vimc_sca_device {
+struct vimc_scaler_device {
struct vimc_ent_device ved;
struct v4l2_subdev sd;
struct v4l2_rect crop_rect;
@@ -36,16 +36,16 @@ struct vimc_sca_device {
};
static const struct v4l2_mbus_framefmt fmt_default = {
- .width = VIMC_SCA_FMT_WIDTH_DEFAULT,
- .height = VIMC_SCA_FMT_HEIGHT_DEFAULT,
+ .width = VIMC_SCALER_FMT_WIDTH_DEFAULT,
+ .height = VIMC_SCALER_FMT_HEIGHT_DEFAULT,
.code = MEDIA_BUS_FMT_RGB888_1X24,
.field = V4L2_FIELD_NONE,
.colorspace = V4L2_COLORSPACE_SRGB,
};
static const struct v4l2_rect crop_rect_default = {
- .width = VIMC_SCA_FMT_WIDTH_DEFAULT,
- .height = VIMC_SCA_FMT_HEIGHT_DEFAULT,
+ .width = VIMC_SCALER_FMT_WIDTH_DEFAULT,
+ .height = VIMC_SCALER_FMT_HEIGHT_DEFAULT,
.top = 0,
.left = 0,
};
@@ -58,7 +58,7 @@ static const struct v4l2_rect crop_rect_min = {
};
static struct v4l2_rect
-vimc_sca_get_crop_bound_sink(const struct v4l2_mbus_framefmt *sink_fmt)
+vimc_scaler_get_crop_bound_sink(const struct v4l2_mbus_framefmt *sink_fmt)
{
/* Get the crop bounds to clamp the crop rectangle correctly */
struct v4l2_rect r = {
@@ -70,7 +70,7 @@ vimc_sca_get_crop_bound_sink(const struct v4l2_mbus_framefmt *sink_fmt)
return r;
}
-static int vimc_sca_init_cfg(struct v4l2_subdev *sd,
+static int vimc_scaler_init_cfg(struct v4l2_subdev *sd,
struct v4l2_subdev_state *sd_state)
{
struct v4l2_mbus_framefmt *mf;
@@ -82,13 +82,13 @@ static int vimc_sca_init_cfg(struct v4l2_subdev *sd,
*mf = fmt_default;
}
- r = v4l2_subdev_get_try_crop(sd, sd_state, VIMC_SCA_SINK);
+ r = v4l2_subdev_get_try_crop(sd, sd_state, VIMC_SCALER_SINK);
*r = crop_rect_default;
return 0;
}
-static int vimc_sca_enum_mbus_code(struct v4l2_subdev *sd,
+static int vimc_scaler_enum_mbus_code(struct v4l2_subdev *sd,
struct v4l2_subdev_state *sd_state,
struct v4l2_subdev_mbus_code_enum *code)
{
@@ -109,7 +109,7 @@ static int vimc_sca_enum_mbus_code(struct v4l2_subdev *sd,
return 0;
}
-static int vimc_sca_enum_frame_size(struct v4l2_subdev *sd,
+static int vimc_scaler_enum_frame_size(struct v4l2_subdev *sd,
struct v4l2_subdev_state *sd_state,
struct v4l2_subdev_frame_size_enum *fse)
{
@@ -133,57 +133,57 @@ static int vimc_sca_enum_frame_size(struct v4l2_subdev *sd,
}
static struct v4l2_mbus_framefmt *
-vimc_sca_pad_format(struct vimc_sca_device *vsca,
+vimc_scaler_pad_format(struct vimc_scaler_device *vscaler,
struct v4l2_subdev_state *sd_state, u32 pad,
enum v4l2_subdev_format_whence which)
{
if (which == V4L2_SUBDEV_FORMAT_TRY)
- return v4l2_subdev_get_try_format(&vsca->sd, sd_state, pad);
+ return v4l2_subdev_get_try_format(&vscaler->sd, sd_state, pad);
else
- return &vsca->fmt[pad];
+ return &vscaler->fmt[pad];
}
static struct v4l2_rect *
-vimc_sca_pad_crop(struct vimc_sca_device *vsca,
+vimc_scaler_pad_crop(struct vimc_scaler_device *vscaler,
struct v4l2_subdev_state *sd_state,
enum v4l2_subdev_format_whence which)
{
if (which == V4L2_SUBDEV_FORMAT_TRY)
- return v4l2_subdev_get_try_crop(&vsca->sd, sd_state,
- VIMC_SCA_SINK);
+ return v4l2_subdev_get_try_crop(&vscaler->sd, sd_state,
+ VIMC_SCALER_SINK);
else
- return &vsca->crop_rect;
+ return &vscaler->crop_rect;
}
-static int vimc_sca_get_fmt(struct v4l2_subdev *sd,
+static int vimc_scaler_get_fmt(struct v4l2_subdev *sd,
struct v4l2_subdev_state *sd_state,
struct v4l2_subdev_format *format)
{
- struct vimc_sca_device *vsca = v4l2_get_subdevdata(sd);
+ struct vimc_scaler_device *vscaler = v4l2_get_subdevdata(sd);
- format->format = *vimc_sca_pad_format(vsca, sd_state, format->pad,
+ format->format = *vimc_scaler_pad_format(vscaler, sd_state, format->pad,
format->which);
return 0;
}
-static int vimc_sca_set_fmt(struct v4l2_subdev *sd,
+static int vimc_scaler_set_fmt(struct v4l2_subdev *sd,
struct v4l2_subdev_state *sd_state,
struct v4l2_subdev_format *format)
{
- struct vimc_sca_device *vsca = v4l2_get_subdevdata(sd);
+ struct vimc_scaler_device *vscaler = v4l2_get_subdevdata(sd);
struct v4l2_mbus_framefmt *fmt;
/* Do not change the active format while stream is on */
- if (format->which == V4L2_SUBDEV_FORMAT_ACTIVE && vsca->src_frame)
+ if (format->which == V4L2_SUBDEV_FORMAT_ACTIVE && vscaler->src_frame)
return -EBUSY;
- fmt = vimc_sca_pad_format(vsca, sd_state, format->pad, format->which);
+ fmt = vimc_scaler_pad_format(vscaler, sd_state, format->pad, format->which);
/*
* The media bus code and colorspace can only be changed on the sink
* pad, the source pad only follows.
*/
- if (format->pad == VIMC_SCA_SINK) {
+ if (format->pad == VIMC_SCALER_SINK) {
const struct vimc_pix_map *vpix;
/* Only accept code in the pix map table in non bayer format. */
@@ -211,17 +211,17 @@ static int vimc_sca_set_fmt(struct v4l2_subdev *sd,
* Propagate the sink pad format to the crop rectangle and the source
* pad.
*/
- if (format->pad == VIMC_SCA_SINK) {
+ if (format->pad == VIMC_SCALER_SINK) {
struct v4l2_mbus_framefmt *src_fmt;
struct v4l2_rect *crop;
- crop = vimc_sca_pad_crop(vsca, sd_state, format->which);
+ crop = vimc_scaler_pad_crop(vscaler, sd_state, format->which);
crop->width = fmt->width;
crop->height = fmt->height;
crop->top = 0;
crop->left = 0;
- src_fmt = vimc_sca_pad_format(vsca, sd_state, VIMC_SCA_SRC,
+ src_fmt = vimc_scaler_pad_format(vscaler, sd_state, VIMC_SCALER_SRC,
format->which);
*src_fmt = *fmt;
}
@@ -231,11 +231,11 @@ static int vimc_sca_set_fmt(struct v4l2_subdev *sd,
return 0;
}
-static int vimc_sca_get_selection(struct v4l2_subdev *sd,
+static int vimc_scaler_get_selection(struct v4l2_subdev *sd,
struct v4l2_subdev_state *sd_state,
struct v4l2_subdev_selection *sel)
{
- struct vimc_sca_device *vsca = v4l2_get_subdevdata(sd);
+ struct vimc_scaler_device *vscaler = v4l2_get_subdevdata(sd);
struct v4l2_mbus_framefmt *sink_fmt;
if (VIMC_IS_SRC(sel->pad))
@@ -243,12 +243,12 @@ static int vimc_sca_get_selection(struct v4l2_subdev *sd,
switch (sel->target) {
case V4L2_SEL_TGT_CROP:
- sel->r = *vimc_sca_pad_crop(vsca, sd_state, sel->which);
+ sel->r = *vimc_scaler_pad_crop(vscaler, sd_state, sel->which);
break;
case V4L2_SEL_TGT_CROP_BOUNDS:
- sink_fmt = vimc_sca_pad_format(vsca, sd_state, VIMC_SCA_SINK,
+ sink_fmt = vimc_scaler_pad_format(vscaler, sd_state, VIMC_SCALER_SINK,
sel->which);
- sel->r = vimc_sca_get_crop_bound_sink(sink_fmt);
+ sel->r = vimc_scaler_get_crop_bound_sink(sink_fmt);
break;
default:
return -EINVAL;
@@ -257,22 +257,22 @@ static int vimc_sca_get_selection(struct v4l2_subdev *sd,
return 0;
}
-static void vimc_sca_adjust_sink_crop(struct v4l2_rect *r,
+static void vimc_scaler_adjust_sink_crop(struct v4l2_rect *r,
const struct v4l2_mbus_framefmt *sink_fmt)
{
const struct v4l2_rect sink_rect =
- vimc_sca_get_crop_bound_sink(sink_fmt);
+ vimc_scaler_get_crop_bound_sink(sink_fmt);
/* Disallow rectangles smaller than the minimal one. */
v4l2_rect_set_min_size(r, &crop_rect_min);
v4l2_rect_map_inside(r, &sink_rect);
}
-static int vimc_sca_set_selection(struct v4l2_subdev *sd,
+static int vimc_scaler_set_selection(struct v4l2_subdev *sd,
struct v4l2_subdev_state *sd_state,
struct v4l2_subdev_selection *sel)
{
- struct vimc_sca_device *vsca = v4l2_get_subdevdata(sd);
+ struct vimc_scaler_device *vscaler = v4l2_get_subdevdata(sd);
struct v4l2_mbus_framefmt *sink_fmt;
struct v4l2_rect *crop_rect;
@@ -280,165 +280,165 @@ static int vimc_sca_set_selection(struct v4l2_subdev *sd,
if (VIMC_IS_SRC(sel->pad) || sel->target != V4L2_SEL_TGT_CROP)
return -EINVAL;
- if (sel->which == V4L2_SUBDEV_FORMAT_ACTIVE && vsca->src_frame)
+ if (sel->which == V4L2_SUBDEV_FORMAT_ACTIVE && vscaler->src_frame)
return -EBUSY;
- crop_rect = vimc_sca_pad_crop(vsca, sd_state, sel->which);
- sink_fmt = vimc_sca_pad_format(vsca, sd_state, VIMC_SCA_SINK,
+ crop_rect = vimc_scaler_pad_crop(vscaler, sd_state, sel->which);
+ sink_fmt = vimc_scaler_pad_format(vscaler, sd_state, VIMC_SCALER_SINK,
sel->which);
- vimc_sca_adjust_sink_crop(&sel->r, sink_fmt);
+ vimc_scaler_adjust_sink_crop(&sel->r, sink_fmt);
*crop_rect = sel->r;
return 0;
}
-static const struct v4l2_subdev_pad_ops vimc_sca_pad_ops = {
- .init_cfg = vimc_sca_init_cfg,
- .enum_mbus_code = vimc_sca_enum_mbus_code,
- .enum_frame_size = vimc_sca_enum_frame_size,
- .get_fmt = vimc_sca_get_fmt,
- .set_fmt = vimc_sca_set_fmt,
- .get_selection = vimc_sca_get_selection,
- .set_selection = vimc_sca_set_selection,
+static const struct v4l2_subdev_pad_ops vimc_scaler_pad_ops = {
+ .init_cfg = vimc_scaler_init_cfg,
+ .enum_mbus_code = vimc_scaler_enum_mbus_code,
+ .enum_frame_size = vimc_scaler_enum_frame_size,
+ .get_fmt = vimc_scaler_get_fmt,
+ .set_fmt = vimc_scaler_set_fmt,
+ .get_selection = vimc_scaler_get_selection,
+ .set_selection = vimc_scaler_set_selection,
};
-static int vimc_sca_s_stream(struct v4l2_subdev *sd, int enable)
+static int vimc_scaler_s_stream(struct v4l2_subdev *sd, int enable)
{
- struct vimc_sca_device *vsca = v4l2_get_subdevdata(sd);
+ struct vimc_scaler_device *vscaler = v4l2_get_subdevdata(sd);
if (enable) {
const struct vimc_pix_map *vpix;
unsigned int frame_size;
- if (vsca->src_frame)
+ if (vscaler->src_frame)
return 0;
/* Save the bytes per pixel of the sink */
- vpix = vimc_pix_map_by_code(vsca->fmt[VIMC_SCA_SINK].code);
- vsca->bpp = vpix->bpp;
+ vpix = vimc_pix_map_by_code(vscaler->fmt[VIMC_SCALER_SINK].code);
+ vscaler->bpp = vpix->bpp;
/* Calculate the frame size of the source pad */
- frame_size = vsca->fmt[VIMC_SCA_SRC].width
- * vsca->fmt[VIMC_SCA_SRC].height * vsca->bpp;
+ frame_size = vscaler->fmt[VIMC_SCALER_SRC].width
+ * vscaler->fmt[VIMC_SCALER_SRC].height * vscaler->bpp;
/* Allocate the frame buffer. Use vmalloc to be able to
* allocate a large amount of memory
*/
- vsca->src_frame = vmalloc(frame_size);
- if (!vsca->src_frame)
+ vscaler->src_frame = vmalloc(frame_size);
+ if (!vscaler->src_frame)
return -ENOMEM;
} else {
- if (!vsca->src_frame)
+ if (!vscaler->src_frame)
return 0;
- vfree(vsca->src_frame);
- vsca->src_frame = NULL;
+ vfree(vscaler->src_frame);
+ vscaler->src_frame = NULL;
}
return 0;
}
-static const struct v4l2_subdev_video_ops vimc_sca_video_ops = {
- .s_stream = vimc_sca_s_stream,
+static const struct v4l2_subdev_video_ops vimc_scaler_video_ops = {
+ .s_stream = vimc_scaler_s_stream,
};
-static const struct v4l2_subdev_ops vimc_sca_ops = {
- .pad = &vimc_sca_pad_ops,
- .video = &vimc_sca_video_ops,
+static const struct v4l2_subdev_ops vimc_scaler_ops = {
+ .pad = &vimc_scaler_pad_ops,
+ .video = &vimc_scaler_video_ops,
};
-static void vimc_sca_fill_src_frame(const struct vimc_sca_device *const vsca,
+static void vimc_scaler_fill_src_frame(const struct vimc_scaler_device *const vscaler,
const u8 *const sink_frame)
{
- const struct v4l2_mbus_framefmt *src_fmt = &vsca->fmt[VIMC_SCA_SRC];
- const struct v4l2_rect *r = &vsca->crop_rect;
- unsigned int snk_width = vsca->fmt[VIMC_SCA_SINK].width;
+ const struct v4l2_mbus_framefmt *src_fmt = &vscaler->fmt[VIMC_SCALER_SRC];
+ const struct v4l2_rect *r = &vscaler->crop_rect;
+ unsigned int snk_width = vscaler->fmt[VIMC_SCALER_SINK].width;
unsigned int src_x, src_y;
- u8 *walker = vsca->src_frame;
+ u8 *walker = vscaler->src_frame;
/* Set each pixel at the src_frame to its sink_frame equivalent */
for (src_y = 0; src_y < src_fmt->height; src_y++) {
unsigned int snk_y, y_offset;
snk_y = (src_y * r->height) / src_fmt->height + r->top;
- y_offset = snk_y * snk_width * vsca->bpp;
+ y_offset = snk_y * snk_width * vscaler->bpp;
for (src_x = 0; src_x < src_fmt->width; src_x++) {
unsigned int snk_x, x_offset, index;
snk_x = (src_x * r->width) / src_fmt->width + r->left;
- x_offset = snk_x * vsca->bpp;
+ x_offset = snk_x * vscaler->bpp;
index = y_offset + x_offset;
- memcpy(walker, &sink_frame[index], vsca->bpp);
- walker += vsca->bpp;
+ memcpy(walker, &sink_frame[index], vscaler->bpp);
+ walker += vscaler->bpp;
}
}
}
-static void *vimc_sca_process_frame(struct vimc_ent_device *ved,
+static void *vimc_scaler_process_frame(struct vimc_ent_device *ved,
const void *sink_frame)
{
- struct vimc_sca_device *vsca = container_of(ved, struct vimc_sca_device,
+ struct vimc_scaler_device *vscaler = container_of(ved, struct vimc_scaler_device,
ved);
/* If the stream in this node is not active, just return */
- if (!vsca->src_frame)
+ if (!vscaler->src_frame)
return ERR_PTR(-EINVAL);
- vimc_sca_fill_src_frame(vsca, sink_frame);
+ vimc_scaler_fill_src_frame(vscaler, sink_frame);
- return vsca->src_frame;
+ return vscaler->src_frame;
};
-static void vimc_sca_release(struct vimc_ent_device *ved)
+static void vimc_scaler_release(struct vimc_ent_device *ved)
{
- struct vimc_sca_device *vsca =
- container_of(ved, struct vimc_sca_device, ved);
+ struct vimc_scaler_device *vscaler =
+ container_of(ved, struct vimc_scaler_device, ved);
- media_entity_cleanup(vsca->ved.ent);
- kfree(vsca);
+ media_entity_cleanup(vscaler->ved.ent);
+ kfree(vscaler);
}
-static struct vimc_ent_device *vimc_sca_add(struct vimc_device *vimc,
+static struct vimc_ent_device *vimc_scaler_add(struct vimc_device *vimc,
const char *vcfg_name)
{
struct v4l2_device *v4l2_dev = &vimc->v4l2_dev;
- struct vimc_sca_device *vsca;
+ struct vimc_scaler_device *vscaler;
int ret;
- /* Allocate the vsca struct */
- vsca = kzalloc(sizeof(*vsca), GFP_KERNEL);
- if (!vsca)
+ /* Allocate the vscaler struct */
+ vscaler = kzalloc(sizeof(*vscaler), GFP_KERNEL);
+ if (!vscaler)
return ERR_PTR(-ENOMEM);
/* Initialize ved and sd */
- vsca->pads[VIMC_SCA_SINK].flags = MEDIA_PAD_FL_SINK;
- vsca->pads[VIMC_SCA_SRC].flags = MEDIA_PAD_FL_SOURCE;
+ vscaler->pads[VIMC_SCALER_SINK].flags = MEDIA_PAD_FL_SINK;
+ vscaler->pads[VIMC_SCALER_SRC].flags = MEDIA_PAD_FL_SOURCE;
- ret = vimc_ent_sd_register(&vsca->ved, &vsca->sd, v4l2_dev,
+ ret = vimc_ent_sd_register(&vscaler->ved, &vscaler->sd, v4l2_dev,
vcfg_name,
MEDIA_ENT_F_PROC_VIDEO_SCALER, 2,
- vsca->pads, &vimc_sca_ops);
+ vscaler->pads, &vimc_scaler_ops);
if (ret) {
- kfree(vsca);
+ kfree(vscaler);
return ERR_PTR(ret);
}
- vsca->ved.process_frame = vimc_sca_process_frame;
- vsca->ved.dev = vimc->mdev.dev;
+ vscaler->ved.process_frame = vimc_scaler_process_frame;
+ vscaler->ved.dev = vimc->mdev.dev;
/* Initialize the frame format */
- vsca->fmt[VIMC_SCA_SINK] = fmt_default;
- vsca->fmt[VIMC_SCA_SRC] = fmt_default;
+ vscaler->fmt[VIMC_SCALER_SINK] = fmt_default;
+ vscaler->fmt[VIMC_SCALER_SRC] = fmt_default;
/* Initialize the crop selection */
- vsca->crop_rect = crop_rect_default;
+ vscaler->crop_rect = crop_rect_default;
- return &vsca->ved;
+ return &vscaler->ved;
}
-struct vimc_ent_type vimc_sca_type = {
- .add = vimc_sca_add,
- .release = vimc_sca_release
+struct vimc_ent_type vimc_scaler_type = {
+ .add = vimc_scaler_add,
+ .release = vimc_scaler_release
};
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-27 11:01:57 +0100