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Diffstat (limited to 'drivers/staging/media/imx/imx-media.h')
-rw-r--r--drivers/staging/media/imx/imx-media.h189
1 files changed, 69 insertions, 120 deletions
diff --git a/drivers/staging/media/imx/imx-media.h b/drivers/staging/media/imx/imx-media.h
index ac3ab115394f..2fd6dfdf37d6 100644
--- a/drivers/staging/media/imx/imx-media.h
+++ b/drivers/staging/media/imx/imx-media.h
@@ -11,6 +11,7 @@
#ifndef _IMX_MEDIA_H
#define _IMX_MEDIA_H
+#include <linux/platform_device.h>
#include <media/v4l2-ctrls.h>
#include <media/v4l2-device.h>
#include <media/v4l2-fwnode.h>
@@ -19,26 +20,6 @@
#include <video/imx-ipu-v3.h>
/*
- * This is somewhat arbitrary, but we need at least:
- * - 4 video devices per IPU
- * - 3 IC subdevs per IPU
- * - 1 VDIC subdev per IPU
- * - 2 CSI subdevs per IPU
- * - 1 mipi-csi2 receiver subdev
- * - 2 video-mux subdevs
- * - 2 camera sensor subdevs per IPU (1 parallel, 1 mipi-csi2)
- *
- */
-/* max video devices */
-#define IMX_MEDIA_MAX_VDEVS 8
-/* max subdevices */
-#define IMX_MEDIA_MAX_SUBDEVS 32
-/* max pads per subdev */
-#define IMX_MEDIA_MAX_PADS 16
-/* max links per pad */
-#define IMX_MEDIA_MAX_LINKS 8
-
-/*
* Pad definitions for the subdevs with multiple source or
* sink pads
*/
@@ -51,9 +32,6 @@ enum {
CSI_NUM_PADS,
};
-#define CSI_NUM_SINK_PADS 1
-#define CSI_NUM_SRC_PADS 2
-
/* ipu_vdic */
enum {
VDIC_SINK_PAD_DIRECT = 0,
@@ -62,9 +40,6 @@ enum {
VDIC_NUM_PADS,
};
-#define VDIC_NUM_SINK_PADS 2
-#define VDIC_NUM_SRC_PADS 1
-
/* ipu_ic_prp */
enum {
PRP_SINK_PAD = 0,
@@ -73,9 +48,6 @@ enum {
PRP_NUM_PADS,
};
-#define PRP_NUM_SINK_PADS 1
-#define PRP_NUM_SRC_PADS 2
-
/* ipu_ic_prpencvf */
enum {
PRPENCVF_SINK_PAD = 0,
@@ -83,9 +55,6 @@ enum {
PRPENCVF_NUM_PADS,
};
-#define PRPENCVF_NUM_SINK_PADS 1
-#define PRPENCVF_NUM_SRC_PADS 1
-
/* How long to wait for EOF interrupts in the buffer-capture subdevs */
#define IMX_MEDIA_EOF_TIMEOUT 1000
@@ -110,6 +79,9 @@ struct imx_media_video_dev {
/* the user format */
struct v4l2_format fmt;
const struct imx_media_pixfmt *cc;
+
+ /* links this vdev to master list */
+ struct list_head list;
};
static inline struct imx_media_buffer *to_imx_media_vb(struct vb2_buffer *vb)
@@ -119,25 +91,24 @@ static inline struct imx_media_buffer *to_imx_media_vb(struct vb2_buffer *vb)
return container_of(vbuf, struct imx_media_buffer, vbuf);
}
-struct imx_media_link {
- struct device_node *remote_sd_node;
- char remote_devname[32];
- int local_pad;
- int remote_pad;
-};
+/*
+ * to support control inheritance to video devices, this
+ * retrieves a pad's list_head of video devices that can
+ * be reached from the pad. Note that only the lists in
+ * source pads get populated, sink pads have empty lists.
+ */
+static inline struct list_head *
+to_pad_vdev_list(struct v4l2_subdev *sd, int pad_index)
+{
+ struct list_head *vdev_list = sd->host_priv;
-struct imx_media_pad {
- struct media_pad pad;
- struct imx_media_link link[IMX_MEDIA_MAX_LINKS];
- bool devnode; /* does this pad link to a device node */
- int num_links;
-
- /*
- * list of video devices that can be reached from this pad,
- * list is only valid for source pads.
- */
- struct imx_media_video_dev *vdev[IMX_MEDIA_MAX_VDEVS];
- int num_vdevs;
+ return vdev_list ? &vdev_list[pad_index] : NULL;
+}
+
+/* an entry in a pad's video device list */
+struct imx_media_pad_vdev {
+ struct imx_media_video_dev *vdev;
+ struct list_head list;
};
struct imx_media_internal_sd_platformdata {
@@ -146,23 +117,20 @@ struct imx_media_internal_sd_platformdata {
int ipu_id;
};
-struct imx_media_subdev {
- struct v4l2_async_subdev asd;
- struct v4l2_subdev *sd; /* set when bound */
-
- struct imx_media_pad pad[IMX_MEDIA_MAX_PADS];
- int num_sink_pads;
- int num_src_pads;
- /* the platform device if this is an internal subdev */
+struct imx_media_async_subdev {
+ struct v4l2_async_subdev asd;
+ /* the platform device of IPU-internal subdevs */
struct platform_device *pdev;
- /* the devname is needed for async devname match */
- char devname[32];
-
- /* if this is a sensor */
- struct v4l2_fwnode_endpoint sensor_ep;
+ struct list_head list;
};
+static inline struct imx_media_async_subdev *
+to_imx_media_asd(struct v4l2_async_subdev *asd)
+{
+ return container_of(asd, struct imx_media_async_subdev, asd);
+}
+
struct imx_media_dev {
struct media_device md;
struct v4l2_device v4l2_dev;
@@ -172,19 +140,14 @@ struct imx_media_dev {
struct mutex mutex; /* protect elements below */
- /* master subdevice list */
- struct imx_media_subdev subdev[IMX_MEDIA_MAX_SUBDEVS];
- int num_subdevs;
-
/* master video device list */
- struct imx_media_video_dev *vdev[IMX_MEDIA_MAX_VDEVS];
- int num_vdevs;
+ struct list_head vdev_list;
/* IPUs this media driver control, valid after subdevs bound */
struct ipu_soc *ipu[2];
/* for async subdev registration */
- struct v4l2_async_subdev *async_ptrs[IMX_MEDIA_MAX_SUBDEVS];
+ struct list_head asd_list;
struct v4l2_async_notifier subdev_notifier;
};
@@ -194,6 +157,7 @@ enum codespace_sel {
CS_SEL_ANY,
};
+/* imx-media-utils.c */
const struct imx_media_pixfmt *
imx_media_find_format(u32 fourcc, enum codespace_sel cs_sel, bool allow_bayer);
int imx_media_enum_format(u32 *fourcc, u32 index, enum codespace_sel cs_sel);
@@ -205,7 +169,6 @@ int imx_media_enum_mbus_format(u32 *code, u32 index, enum codespace_sel cs_sel,
const struct imx_media_pixfmt *
imx_media_find_ipu_format(u32 code, enum codespace_sel cs_sel);
int imx_media_enum_ipu_format(u32 *code, u32 index, enum codespace_sel cs_sel);
-
int imx_media_init_mbus_fmt(struct v4l2_mbus_framefmt *mbus,
u32 width, u32 height, u32 code, u32 field,
const struct imx_media_pixfmt **cc);
@@ -219,48 +182,26 @@ int imx_media_mbus_fmt_to_ipu_image(struct ipu_image *image,
struct v4l2_mbus_framefmt *mbus);
int imx_media_ipu_image_to_mbus_fmt(struct v4l2_mbus_framefmt *mbus,
struct ipu_image *image);
-
-struct imx_media_subdev *
-imx_media_find_async_subdev(struct imx_media_dev *imxmd,
- struct device_node *np,
- const char *devname);
-struct imx_media_subdev *
-imx_media_add_async_subdev(struct imx_media_dev *imxmd,
- struct device_node *np,
- struct platform_device *pdev);
-int imx_media_add_pad_link(struct imx_media_dev *imxmd,
- struct imx_media_pad *pad,
- struct device_node *remote_node,
- const char *remote_devname,
- int local_pad, int remote_pad);
-
void imx_media_grp_id_to_sd_name(char *sd_name, int sz,
u32 grp_id, int ipu_id);
-
-int imx_media_add_internal_subdevs(struct imx_media_dev *imxmd,
- struct imx_media_subdev *csi[4]);
-void imx_media_remove_internal_subdevs(struct imx_media_dev *imxmd);
-
-struct imx_media_subdev *
-imx_media_find_subdev_by_sd(struct imx_media_dev *imxmd,
- struct v4l2_subdev *sd);
-struct imx_media_subdev *
-imx_media_find_subdev_by_id(struct imx_media_dev *imxmd,
- u32 grp_id);
+struct v4l2_subdev *
+imx_media_find_subdev_by_fwnode(struct imx_media_dev *imxmd,
+ struct fwnode_handle *fwnode);
+struct v4l2_subdev *
+imx_media_find_subdev_by_devname(struct imx_media_dev *imxmd,
+ const char *devname);
int imx_media_add_video_device(struct imx_media_dev *imxmd,
struct imx_media_video_dev *vdev);
int imx_media_find_mipi_csi2_channel(struct imx_media_dev *imxmd,
struct media_entity *start_entity);
-struct imx_media_subdev *
+struct media_pad *
+imx_media_find_upstream_pad(struct imx_media_dev *imxmd,
+ struct media_entity *start_entity,
+ u32 grp_id);
+struct v4l2_subdev *
imx_media_find_upstream_subdev(struct imx_media_dev *imxmd,
struct media_entity *start_entity,
u32 grp_id);
-struct imx_media_subdev *
-__imx_media_find_sensor(struct imx_media_dev *imxmd,
- struct media_entity *start_entity);
-struct imx_media_subdev *
-imx_media_find_sensor(struct imx_media_dev *imxmd,
- struct media_entity *start_entity);
struct imx_media_dma_buf {
void *virt;
@@ -278,6 +219,11 @@ int imx_media_pipeline_set_stream(struct imx_media_dev *imxmd,
struct media_entity *entity,
bool on);
+/* imx-media-dev.c */
+int imx_media_add_async_subdev(struct imx_media_dev *imxmd,
+ struct fwnode_handle *fwnode,
+ struct platform_device *pdev);
+
/* imx-media-fim.c */
struct imx_media_fim;
void imx_media_fim_eof_monitor(struct imx_media_fim *fim, ktime_t timestamp);
@@ -288,14 +234,19 @@ int imx_media_fim_add_controls(struct imx_media_fim *fim);
struct imx_media_fim *imx_media_fim_init(struct v4l2_subdev *sd);
void imx_media_fim_free(struct imx_media_fim *fim);
+/* imx-media-internal-sd.c */
+int imx_media_add_internal_subdevs(struct imx_media_dev *imxmd);
+int imx_media_create_internal_links(struct imx_media_dev *imxmd,
+ struct v4l2_subdev *sd);
+void imx_media_remove_internal_subdevs(struct imx_media_dev *imxmd);
+
/* imx-media-of.c */
-struct imx_media_subdev *
-imx_media_of_find_subdev(struct imx_media_dev *imxmd,
- struct device_node *np,
- const char *name);
-int imx_media_of_parse(struct imx_media_dev *dev,
- struct imx_media_subdev *(*csi)[4],
- struct device_node *np);
+int imx_media_add_of_subdevs(struct imx_media_dev *dev,
+ struct device_node *np);
+int imx_media_create_of_links(struct imx_media_dev *imxmd,
+ struct v4l2_subdev *sd);
+int imx_media_create_csi_of_links(struct imx_media_dev *imxmd,
+ struct v4l2_subdev *csi);
/* imx-media-capture.c */
struct imx_media_video_dev *
@@ -310,16 +261,14 @@ void imx_media_capture_device_set_format(struct imx_media_video_dev *vdev,
void imx_media_capture_device_error(struct imx_media_video_dev *vdev);
/* subdev group ids */
-#define IMX_MEDIA_GRP_ID_SENSOR (1 << 8)
-#define IMX_MEDIA_GRP_ID_VIDMUX (1 << 9)
-#define IMX_MEDIA_GRP_ID_CSI2 (1 << 10)
-#define IMX_MEDIA_GRP_ID_CSI_BIT 11
+#define IMX_MEDIA_GRP_ID_CSI2 BIT(8)
+#define IMX_MEDIA_GRP_ID_CSI_BIT 9
#define IMX_MEDIA_GRP_ID_CSI (0x3 << IMX_MEDIA_GRP_ID_CSI_BIT)
-#define IMX_MEDIA_GRP_ID_CSI0 (1 << IMX_MEDIA_GRP_ID_CSI_BIT)
+#define IMX_MEDIA_GRP_ID_CSI0 BIT(IMX_MEDIA_GRP_ID_CSI_BIT)
#define IMX_MEDIA_GRP_ID_CSI1 (2 << IMX_MEDIA_GRP_ID_CSI_BIT)
-#define IMX_MEDIA_GRP_ID_VDIC (1 << 13)
-#define IMX_MEDIA_GRP_ID_IC_PRP (1 << 14)
-#define IMX_MEDIA_GRP_ID_IC_PRPENC (1 << 15)
-#define IMX_MEDIA_GRP_ID_IC_PRPVF (1 << 16)
+#define IMX_MEDIA_GRP_ID_VDIC BIT(11)
+#define IMX_MEDIA_GRP_ID_IC_PRP BIT(12)
+#define IMX_MEDIA_GRP_ID_IC_PRPENC BIT(13)
+#define IMX_MEDIA_GRP_ID_IC_PRPVF BIT(14)
#endif