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path: root/drivers/media/platform/vsp1/vsp1_lif.c
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Diffstat (limited to 'drivers/media/platform/vsp1/vsp1_lif.c')
-rw-r--r--drivers/media/platform/vsp1/vsp1_lif.c179
1 files changed, 58 insertions, 121 deletions
diff --git a/drivers/media/platform/vsp1/vsp1_lif.c b/drivers/media/platform/vsp1/vsp1_lif.c
index 433853ce8dbf..0217393f22df 100644
--- a/drivers/media/platform/vsp1/vsp1_lif.c
+++ b/drivers/media/platform/vsp1/vsp1_lif.c
@@ -17,55 +17,24 @@
#include <media/v4l2-subdev.h>
#include "vsp1.h"
+#include "vsp1_dl.h"
#include "vsp1_lif.h"
#define LIF_MIN_SIZE 2U
-#define LIF_MAX_SIZE 2048U
+#define LIF_MAX_SIZE 8190U
/* -----------------------------------------------------------------------------
* Device Access
*/
-static inline void vsp1_lif_write(struct vsp1_lif *lif, u32 reg, u32 data)
+static inline void vsp1_lif_write(struct vsp1_lif *lif, struct vsp1_dl_list *dl,
+ u32 reg, u32 data)
{
- vsp1_mod_write(&lif->entity, reg, data);
+ vsp1_dl_list_write(dl, reg, data);
}
/* -----------------------------------------------------------------------------
- * V4L2 Subdevice Core Operations
- */
-
-static int lif_s_stream(struct v4l2_subdev *subdev, int enable)
-{
- const struct v4l2_mbus_framefmt *format;
- struct vsp1_lif *lif = to_lif(subdev);
- unsigned int hbth = 1300;
- unsigned int obth = 400;
- unsigned int lbth = 200;
-
- if (!enable) {
- vsp1_write(lif->entity.vsp1, VI6_LIF_CTRL, 0);
- return 0;
- }
-
- format = &lif->entity.formats[LIF_PAD_SOURCE];
-
- obth = min(obth, (format->width + 1) / 2 * format->height - 4);
-
- vsp1_lif_write(lif, VI6_LIF_CSBTH,
- (hbth << VI6_LIF_CSBTH_HBTH_SHIFT) |
- (lbth << VI6_LIF_CSBTH_LBTH_SHIFT));
-
- vsp1_lif_write(lif, VI6_LIF_CTRL,
- (obth << VI6_LIF_CTRL_OBTH_SHIFT) |
- (format->code == 0 ? VI6_LIF_CTRL_CFMT : 0) |
- VI6_LIF_CTRL_REQSEL | VI6_LIF_CTRL_LIF_EN);
-
- return 0;
-}
-
-/* -----------------------------------------------------------------------------
- * V4L2 Subdevice Pad Operations
+ * V4L2 Subdevice Operations
*/
static int lif_enum_mbus_code(struct v4l2_subdev *subdev,
@@ -76,82 +45,38 @@ static int lif_enum_mbus_code(struct v4l2_subdev *subdev,
MEDIA_BUS_FMT_ARGB8888_1X32,
MEDIA_BUS_FMT_AYUV8_1X32,
};
- struct vsp1_lif *lif = to_lif(subdev);
- if (code->pad == LIF_PAD_SINK) {
- if (code->index >= ARRAY_SIZE(codes))
- return -EINVAL;
-
- code->code = codes[code->index];
- } else {
- struct v4l2_mbus_framefmt *format;
-
- /* The LIF can't perform format conversion, the sink format is
- * always identical to the source format.
- */
- if (code->index)
- return -EINVAL;
-
- format = vsp1_entity_get_pad_format(&lif->entity, cfg,
- LIF_PAD_SINK, code->which);
- code->code = format->code;
- }
-
- return 0;
+ return vsp1_subdev_enum_mbus_code(subdev, cfg, code, codes,
+ ARRAY_SIZE(codes));
}
static int lif_enum_frame_size(struct v4l2_subdev *subdev,
struct v4l2_subdev_pad_config *cfg,
struct v4l2_subdev_frame_size_enum *fse)
{
- struct vsp1_lif *lif = to_lif(subdev);
- struct v4l2_mbus_framefmt *format;
-
- format = vsp1_entity_get_pad_format(&lif->entity, cfg, LIF_PAD_SINK,
- fse->which);
-
- if (fse->index || fse->code != format->code)
- return -EINVAL;
-
- if (fse->pad == LIF_PAD_SINK) {
- fse->min_width = LIF_MIN_SIZE;
- fse->max_width = LIF_MAX_SIZE;
- fse->min_height = LIF_MIN_SIZE;
- fse->max_height = LIF_MAX_SIZE;
- } else {
- fse->min_width = format->width;
- fse->max_width = format->width;
- fse->min_height = format->height;
- fse->max_height = format->height;
- }
-
- return 0;
+ return vsp1_subdev_enum_frame_size(subdev, cfg, fse, LIF_MIN_SIZE,
+ LIF_MIN_SIZE, LIF_MAX_SIZE,
+ LIF_MAX_SIZE);
}
-static int lif_get_format(struct v4l2_subdev *subdev, struct v4l2_subdev_pad_config *cfg,
- struct v4l2_subdev_format *fmt)
-{
- struct vsp1_lif *lif = to_lif(subdev);
-
- fmt->format = *vsp1_entity_get_pad_format(&lif->entity, cfg, fmt->pad,
- fmt->which);
-
- return 0;
-}
-
-static int lif_set_format(struct v4l2_subdev *subdev, struct v4l2_subdev_pad_config *cfg,
+static int lif_set_format(struct v4l2_subdev *subdev,
+ struct v4l2_subdev_pad_config *cfg,
struct v4l2_subdev_format *fmt)
{
struct vsp1_lif *lif = to_lif(subdev);
+ struct v4l2_subdev_pad_config *config;
struct v4l2_mbus_framefmt *format;
+ config = vsp1_entity_get_pad_config(&lif->entity, cfg, fmt->which);
+ if (!config)
+ return -EINVAL;
+
/* Default to YUV if the requested format is not supported. */
if (fmt->format.code != MEDIA_BUS_FMT_ARGB8888_1X32 &&
fmt->format.code != MEDIA_BUS_FMT_AYUV8_1X32)
fmt->format.code = MEDIA_BUS_FMT_AYUV8_1X32;
- format = vsp1_entity_get_pad_format(&lif->entity, cfg, fmt->pad,
- fmt->which);
+ format = vsp1_entity_get_pad_format(&lif->entity, config, fmt->pad);
if (fmt->pad == LIF_PAD_SOURCE) {
/* The LIF source format is always identical to its sink
@@ -172,40 +97,64 @@ static int lif_set_format(struct v4l2_subdev *subdev, struct v4l2_subdev_pad_con
fmt->format = *format;
/* Propagate the format to the source pad. */
- format = vsp1_entity_get_pad_format(&lif->entity, cfg, LIF_PAD_SOURCE,
- fmt->which);
+ format = vsp1_entity_get_pad_format(&lif->entity, config,
+ LIF_PAD_SOURCE);
*format = fmt->format;
return 0;
}
-/* -----------------------------------------------------------------------------
- * V4L2 Subdevice Operations
- */
-
-static struct v4l2_subdev_video_ops lif_video_ops = {
- .s_stream = lif_s_stream,
-};
-
static struct v4l2_subdev_pad_ops lif_pad_ops = {
+ .init_cfg = vsp1_entity_init_cfg,
.enum_mbus_code = lif_enum_mbus_code,
.enum_frame_size = lif_enum_frame_size,
- .get_fmt = lif_get_format,
+ .get_fmt = vsp1_subdev_get_pad_format,
.set_fmt = lif_set_format,
};
static struct v4l2_subdev_ops lif_ops = {
- .video = &lif_video_ops,
.pad = &lif_pad_ops,
};
/* -----------------------------------------------------------------------------
+ * VSP1 Entity Operations
+ */
+
+static void lif_configure(struct vsp1_entity *entity,
+ struct vsp1_pipeline *pipe,
+ struct vsp1_dl_list *dl)
+{
+ const struct v4l2_mbus_framefmt *format;
+ struct vsp1_lif *lif = to_lif(&entity->subdev);
+ unsigned int hbth = 1300;
+ unsigned int obth = 400;
+ unsigned int lbth = 200;
+
+ format = vsp1_entity_get_pad_format(&lif->entity, lif->entity.config,
+ LIF_PAD_SOURCE);
+
+ obth = min(obth, (format->width + 1) / 2 * format->height - 4);
+
+ vsp1_lif_write(lif, dl, VI6_LIF_CSBTH,
+ (hbth << VI6_LIF_CSBTH_HBTH_SHIFT) |
+ (lbth << VI6_LIF_CSBTH_LBTH_SHIFT));
+
+ vsp1_lif_write(lif, dl, VI6_LIF_CTRL,
+ (obth << VI6_LIF_CTRL_OBTH_SHIFT) |
+ (format->code == 0 ? VI6_LIF_CTRL_CFMT : 0) |
+ VI6_LIF_CTRL_REQSEL | VI6_LIF_CTRL_LIF_EN);
+}
+
+static const struct vsp1_entity_operations lif_entity_ops = {
+ .configure = lif_configure,
+};
+
+/* -----------------------------------------------------------------------------
* Initialization and Cleanup
*/
struct vsp1_lif *vsp1_lif_create(struct vsp1_device *vsp1)
{
- struct v4l2_subdev *subdev;
struct vsp1_lif *lif;
int ret;
@@ -213,24 +162,12 @@ struct vsp1_lif *vsp1_lif_create(struct vsp1_device *vsp1)
if (lif == NULL)
return ERR_PTR(-ENOMEM);
+ lif->entity.ops = &lif_entity_ops;
lif->entity.type = VSP1_ENTITY_LIF;
- ret = vsp1_entity_init(vsp1, &lif->entity, 2);
+ ret = vsp1_entity_init(vsp1, &lif->entity, "lif", 2, &lif_ops);
if (ret < 0)
return ERR_PTR(ret);
- /* Initialize the V4L2 subdev. */
- subdev = &lif->entity.subdev;
- v4l2_subdev_init(subdev, &lif_ops);
-
- subdev->entity.ops = &vsp1->media_ops;
- subdev->internal_ops = &vsp1_subdev_internal_ops;
- snprintf(subdev->name, sizeof(subdev->name), "%s lif",
- dev_name(vsp1->dev));
- v4l2_set_subdevdata(subdev, lif);
- subdev->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
-
- vsp1_entity_init_formats(subdev, NULL);
-
return lif;
}