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-rw-r--r--include/media/soc_camera.h23
1 files changed, 22 insertions, 1 deletions
diff --git a/include/media/soc_camera.h b/include/media/soc_camera.h
index f582323..906ed98 100644
--- a/include/media/soc_camera.h
+++ b/include/media/soc_camera.h
@@ -19,11 +19,13 @@
#include <linux/videodev2.h>
#include <media/videobuf-core.h>
#include <media/videobuf2-core.h>
+#include <media/v4l2-async.h>
#include <media/v4l2-ctrls.h>
#include <media/v4l2-device.h>
struct file;
struct soc_camera_desc;
+struct soc_camera_async_client;
struct soc_camera_device {
struct list_head list; /* list of all registered devices */
@@ -50,6 +52,9 @@ struct soc_camera_device {
int use_count;
struct file *streamer; /* stream owner */
struct v4l2_clk *clk;
+ /* Asynchronous subdevice management */
+ struct soc_camera_async_client *sasc;
+ /* video buffer queue */
union {
struct videobuf_queue vb_vidq;
struct vb2_queue vb2_vidq;
@@ -59,16 +64,30 @@ struct soc_camera_device {
/* Host supports programmable stride */
#define SOCAM_HOST_CAP_STRIDE (1 << 0)
+enum soc_camera_subdev_role {
+ SOCAM_SUBDEV_DATA_SOURCE = 1,
+ SOCAM_SUBDEV_DATA_SINK,
+ SOCAM_SUBDEV_DATA_PROCESSOR,
+};
+
+struct soc_camera_async_subdev {
+ struct v4l2_async_subdev asd;
+ enum soc_camera_subdev_role role;
+};
+
struct soc_camera_host {
struct v4l2_device v4l2_dev;
struct list_head list;
- struct mutex host_lock; /* Protect pipeline modifications */
+ struct mutex host_lock; /* Main synchronisation lock */
+ struct mutex clk_lock; /* Protect pipeline modifications */
unsigned char nr; /* Host number */
u32 capabilities;
struct soc_camera_device *icd; /* Currently attached client */
void *priv;
const char *drv_name;
struct soc_camera_host_ops *ops;
+ struct v4l2_async_subdev **asd; /* Flat array, arranged in groups */
+ int *asd_sizes; /* 0-terminated array of asd group sizes */
};
struct soc_camera_host_ops {
@@ -161,6 +180,7 @@ struct soc_camera_host_desc {
};
/*
+ * Platform data for "soc-camera-pdrv"
* This MUST be kept binary-identical to struct soc_camera_link below, until
* it is completely replaced by this one, after which we can split it into its
* two components.
@@ -326,6 +346,7 @@ static inline void soc_camera_limit_side(int *start, int *length,
unsigned long soc_camera_apply_board_flags(struct soc_camera_subdev_desc *ssdd,
const struct v4l2_mbus_config *cfg);
+int soc_camera_power_init(struct device *dev, struct soc_camera_subdev_desc *ssdd);
int soc_camera_power_on(struct device *dev, struct soc_camera_subdev_desc *ssdd,
struct v4l2_clk *clk);
int soc_camera_power_off(struct device *dev, struct soc_camera_subdev_desc *ssdd,
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