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-rw-r--r--include/media/rcar-fcp.h5
-rw-r--r--include/media/v4l2-ctrls.h4
-rw-r--r--include/media/v4l2-dev.h14
-rw-r--r--include/media/v4l2-ioctl.h1
-rw-r--r--include/media/v4l2-jpeg.h9
-rw-r--r--include/media/v4l2-subdev.h3
-rw-r--r--include/media/vsp1.h89
7 files changed, 108 insertions, 17 deletions
diff --git a/include/media/rcar-fcp.h b/include/media/rcar-fcp.h
index 179240fb163b..6ac9be9f675e 100644
--- a/include/media/rcar-fcp.h
+++ b/include/media/rcar-fcp.h
@@ -18,6 +18,7 @@ void rcar_fcp_put(struct rcar_fcp_device *fcp);
struct device *rcar_fcp_get_device(struct rcar_fcp_device *fcp);
int rcar_fcp_enable(struct rcar_fcp_device *fcp);
void rcar_fcp_disable(struct rcar_fcp_device *fcp);
+int rcar_fcp_soft_reset(struct rcar_fcp_device *fcp);
#else
static inline struct rcar_fcp_device *rcar_fcp_get(const struct device_node *np)
{
@@ -33,6 +34,10 @@ static inline int rcar_fcp_enable(struct rcar_fcp_device *fcp)
return 0;
}
static inline void rcar_fcp_disable(struct rcar_fcp_device *fcp) { }
+static inline int rcar_fcp_soft_reset(struct rcar_fcp_device *fcp)
+{
+ return 0;
+}
#endif
#endif /* __MEDIA_RCAR_FCP_H__ */
diff --git a/include/media/v4l2-ctrls.h b/include/media/v4l2-ctrls.h
index 3a87096e064f..c32c46286441 100644
--- a/include/media/v4l2-ctrls.h
+++ b/include/media/v4l2-ctrls.h
@@ -579,8 +579,10 @@ int v4l2_ctrl_handler_init_class(struct v4l2_ctrl_handler *hdl,
* @hdl: The control handler.
*
* Does nothing if @hdl == NULL.
+ *
+ * Return: @hdl's error field or 0 if @hdl is NULL.
*/
-void v4l2_ctrl_handler_free(struct v4l2_ctrl_handler *hdl);
+int v4l2_ctrl_handler_free(struct v4l2_ctrl_handler *hdl);
/**
* v4l2_ctrl_lock() - Helper function to lock the handler
diff --git a/include/media/v4l2-dev.h b/include/media/v4l2-dev.h
index 1b6222fab24e..a69801274800 100644
--- a/include/media/v4l2-dev.h
+++ b/include/media/v4l2-dev.h
@@ -313,10 +313,16 @@ struct video_device {
* media_entity_to_video_device - Returns a &struct video_device from
* the &struct media_entity embedded on it.
*
- * @__entity: pointer to &struct media_entity
- */
-#define media_entity_to_video_device(__entity) \
- container_of(__entity, struct video_device, entity)
+ * @__entity: pointer to &struct media_entity, may be NULL
+ */
+#define media_entity_to_video_device(__entity) \
+({ \
+ typeof(__entity) __me_vdev_ent = __entity; \
+ \
+ __me_vdev_ent ? \
+ container_of(__me_vdev_ent, struct video_device, entity) : \
+ NULL; \
+})
/**
* to_video_device - Returns a &struct video_device from the
diff --git a/include/media/v4l2-ioctl.h b/include/media/v4l2-ioctl.h
index c6ec87e88dfe..82695c3a300a 100644
--- a/include/media/v4l2-ioctl.h
+++ b/include/media/v4l2-ioctl.h
@@ -679,6 +679,7 @@ long int v4l2_compat_ioctl32(struct file *file, unsigned int cmd,
#endif
unsigned int v4l2_compat_translate_cmd(unsigned int cmd);
+unsigned int v4l2_translate_cmd(unsigned int cmd);
int v4l2_compat_get_user(void __user *arg, void *parg, unsigned int cmd);
int v4l2_compat_put_user(void __user *arg, void *parg, unsigned int cmd);
int v4l2_compat_get_array_args(struct file *file, void *mbuf,
diff --git a/include/media/v4l2-jpeg.h b/include/media/v4l2-jpeg.h
index b65658a02e3c..62dda1560275 100644
--- a/include/media/v4l2-jpeg.h
+++ b/include/media/v4l2-jpeg.h
@@ -169,15 +169,6 @@ struct v4l2_jpeg_header {
int v4l2_jpeg_parse_header(void *buf, size_t len, struct v4l2_jpeg_header *out);
-int v4l2_jpeg_parse_frame_header(void *buf, size_t len,
- struct v4l2_jpeg_frame_header *frame_header);
-int v4l2_jpeg_parse_scan_header(void *buf, size_t len,
- struct v4l2_jpeg_scan_header *scan_header);
-int v4l2_jpeg_parse_quantization_tables(void *buf, size_t len, u8 precision,
- struct v4l2_jpeg_reference *q_tables);
-int v4l2_jpeg_parse_huffman_tables(void *buf, size_t len,
- struct v4l2_jpeg_reference *huffman_tables);
-
extern const u8 v4l2_jpeg_zigzag_scan_index[V4L2_JPEG_PIXELS_IN_BLOCK];
extern const u8 v4l2_jpeg_ref_table_luma_qt[V4L2_JPEG_PIXELS_IN_BLOCK];
extern const u8 v4l2_jpeg_ref_table_chroma_qt[V4L2_JPEG_PIXELS_IN_BLOCK];
diff --git a/include/media/v4l2-subdev.h b/include/media/v4l2-subdev.h
index 57f2bcb4eb16..5dcf4065708f 100644
--- a/include/media/v4l2-subdev.h
+++ b/include/media/v4l2-subdev.h
@@ -460,8 +460,6 @@ enum v4l2_subdev_pre_streamon_flags {
* but use the v4l2_subdev_enable_streams() and
* v4l2_subdev_disable_streams() helpers.
*
- * @g_pixelaspect: callback to return the pixelaspect ratio.
- *
* @s_rx_buffer: set a host allocated memory buffer for the subdev. The subdev
* can adjust @size to a lower value and must not write more data to the
* buffer starting at @data than the original value of @size.
@@ -491,7 +489,6 @@ struct v4l2_subdev_video_ops {
int (*g_tvnorms_output)(struct v4l2_subdev *sd, v4l2_std_id *std);
int (*g_input_status)(struct v4l2_subdev *sd, u32 *status);
int (*s_stream)(struct v4l2_subdev *sd, int enable);
- int (*g_pixelaspect)(struct v4l2_subdev *sd, struct v4l2_fract *aspect);
int (*s_rx_buffer)(struct v4l2_subdev *sd, void *buf,
unsigned int *size);
int (*pre_streamon)(struct v4l2_subdev *sd, u32 flags);
diff --git a/include/media/vsp1.h b/include/media/vsp1.h
index 4ea6352fd63f..d9b91ff02761 100644
--- a/include/media/vsp1.h
+++ b/include/media/vsp1.h
@@ -14,6 +14,11 @@
#include <linux/videodev2.h>
struct device;
+struct vsp1_dl_list;
+
+/* -----------------------------------------------------------------------------
+ * VSP1 DU interface
+ */
int vsp1_du_init(struct device *dev);
@@ -121,4 +126,88 @@ void vsp1_du_atomic_flush(struct device *dev, unsigned int pipe_index,
int vsp1_du_map_sg(struct device *dev, struct sg_table *sgt);
void vsp1_du_unmap_sg(struct device *dev, struct sg_table *sgt);
+/* -----------------------------------------------------------------------------
+ * VSP1 ISP interface
+ */
+
+/**
+ * struct vsp1_isp_buffer_desc - Describe a buffer allocated by VSPX
+ * @size: Byte size of the buffer allocated by VSPX
+ * @cpu_addr: CPU-mapped address of a buffer allocated by VSPX
+ * @dma_addr: bus address of a buffer allocated by VSPX
+ */
+struct vsp1_isp_buffer_desc {
+ size_t size;
+ void *cpu_addr;
+ dma_addr_t dma_addr;
+};
+
+/**
+ * struct vsp1_isp_job_desc - Describe a VSPX buffer transfer request
+ * @config: ConfigDMA buffer descriptor
+ * @config.pairs: number of reg-value pairs in the ConfigDMA buffer
+ * @config.mem: bus address of the ConfigDMA buffer
+ * @img: RAW image buffer descriptor
+ * @img.fmt: RAW image format
+ * @img.mem: bus address of the RAW image buffer
+ * @dl: pointer to the display list populated by the VSPX driver in the
+ * vsp1_isp_job_prepare() function
+ *
+ * Describe a transfer request for the VSPX to perform on behalf of the ISP.
+ * The job descriptor contains an optional ConfigDMA buffer and one RAW image
+ * buffer. Set config.pairs to 0 if no ConfigDMA buffer should be transferred.
+ * The minimum number of config.pairs that can be written using ConfigDMA is 17.
+ * A number of pairs < 16 corrupts the output image. A number of pairs == 16
+ * freezes the VSPX operation. If the ISP driver has to write less than 17 pairs
+ * it shall pad the buffer with writes directed to registers that have no effect
+ * or avoid using ConfigDMA at all for such small write sequences.
+ *
+ * The ISP driver shall pass an instance this type to the vsp1_isp_job_prepare()
+ * function that will populate the display list pointer @dl using the @config
+ * and @img descriptors. When the job has to be run on the VSPX, the descriptor
+ * shall be passed to vsp1_isp_job_run() which consumes the display list.
+ *
+ * Job descriptors not yet run shall be released with a call to
+ * vsp1_isp_job_release() when stopping the streaming in order to properly
+ * release the resources acquired by vsp1_isp_job_prepare().
+ */
+struct vsp1_isp_job_desc {
+ struct {
+ unsigned int pairs;
+ dma_addr_t mem;
+ } config;
+ struct {
+ struct v4l2_pix_format_mplane fmt;
+ dma_addr_t mem;
+ } img;
+ struct vsp1_dl_list *dl;
+};
+
+/**
+ * struct vsp1_vspx_frame_end - VSPX frame end callback data
+ * @vspx_frame_end: Frame end callback. Called after a transfer job has been
+ * completed. If the job includes both a ConfigDMA and a
+ * RAW image, the callback is called after both have been
+ * transferred
+ * @frame_end_data: Frame end callback data, passed to vspx_frame_end
+ */
+struct vsp1_vspx_frame_end {
+ void (*vspx_frame_end)(void *data);
+ void *frame_end_data;
+};
+
+int vsp1_isp_init(struct device *dev);
+struct device *vsp1_isp_get_bus_master(struct device *dev);
+int vsp1_isp_alloc_buffer(struct device *dev, size_t size,
+ struct vsp1_isp_buffer_desc *buffer_desc);
+void vsp1_isp_free_buffer(struct device *dev,
+ struct vsp1_isp_buffer_desc *buffer_desc);
+int vsp1_isp_start_streaming(struct device *dev,
+ struct vsp1_vspx_frame_end *frame_end);
+void vsp1_isp_stop_streaming(struct device *dev);
+int vsp1_isp_job_prepare(struct device *dev,
+ struct vsp1_isp_job_desc *job);
+int vsp1_isp_job_run(struct device *dev, struct vsp1_isp_job_desc *job);
+void vsp1_isp_job_release(struct device *dev, struct vsp1_isp_job_desc *job);
+
#endif /* __MEDIA_VSP1_H__ */