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authorHans Verkuil <hverkuil-cisco@xs4all.nl>2023-03-01 14:05:55 +0300
committerMauro Carvalho Chehab <mchehab@kernel.org>2023-04-15 10:53:31 +0300
commit0b6e30bd37ae14ae34f7dbcc46a05e98903d0eae (patch)
tree22ed28da91e7903c1232a84fc092d40f2bc9fdd9 /include/media
parentb3b2dd37290208a0cc085e9a0bb8430f0caeb89b (diff)
downloadlinux-0b6e30bd37ae14ae34f7dbcc46a05e98903d0eae.tar.xz
media: saa7146: convert to vb2
Convert this driver from the old videobuf framework to the vb2 frame. Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Diffstat (limited to 'include/media')
-rw-r--r--include/media/drv-intf/saa7146_vv.h36
1 files changed, 8 insertions, 28 deletions
diff --git a/include/media/drv-intf/saa7146_vv.h b/include/media/drv-intf/saa7146_vv.h
index 80463fdd30eb..55c7d70b9feb 100644
--- a/include/media/drv-intf/saa7146_vv.h
+++ b/include/media/drv-intf/saa7146_vv.h
@@ -6,7 +6,7 @@
#include <media/v4l2-ioctl.h>
#include <media/v4l2-fh.h>
#include <media/drv-intf/saa7146.h>
-#include <media/videobuf-dma-sg.h>
+#include <media/videobuf2-dma-sg.h>
#define MAX_SAA7146_CAPTURE_BUFFERS 32 /* arbitrary */
#define BUFFER_TIMEOUT (HZ/2) /* 0.5 seconds */
@@ -57,7 +57,8 @@ struct saa7146_standard
/* buffer for one video/vbi frame */
struct saa7146_buf {
/* common v4l buffer stuff -- must be first */
- struct videobuf_buffer vb;
+ struct vb2_v4l2_buffer vb;
+ struct list_head list;
/* saa7146 specific */
int (*activate)(struct saa7146_dev *dev,
@@ -73,41 +74,23 @@ struct saa7146_dmaqueue {
struct saa7146_buf *curr;
struct list_head queue;
struct timer_list timeout;
+ struct vb2_queue q;
};
-/* per open data */
-struct saa7146_fh {
- /* Must be the first field! */
- struct v4l2_fh fh;
-
- /* video capture */
- struct videobuf_queue video_q;
-
- /* vbi capture */
- struct videobuf_queue vbi_q;
-};
-
-#define STATUS_CAPTURE 0x02
-
struct saa7146_vv
{
/* vbi capture */
struct saa7146_dmaqueue vbi_dmaq;
struct v4l2_vbi_format vbi_fmt;
struct timer_list vbi_read_timeout;
- struct file *vbi_read_timeout_file;
/* vbi workaround interrupt queue */
wait_queue_head_t vbi_wq;
- int vbi_fieldcount;
- struct saa7146_fh *vbi_streaming;
-
- int video_status;
- struct saa7146_fh *video_fh;
/* video capture */
struct saa7146_dmaqueue video_dmaq;
struct v4l2_pix_format video_fmt;
enum v4l2_field last_field;
+ u32 seqnr;
/* common: fixme? shouldn't this be in saa7146_fh?
(this leads to a more complicated question: shall the driver
@@ -122,7 +105,7 @@ struct saa7146_vv
int current_hps_source;
int current_hps_sync;
- unsigned int resources; /* resource management for device */
+ unsigned int resources; /* resource management for device */
};
/* flags */
@@ -152,10 +135,7 @@ struct saa7146_ext_vv
struct saa7146_use_ops {
void (*init)(struct saa7146_dev *, struct saa7146_vv *);
- int(*open)(struct saa7146_dev *, struct file *);
- void (*release)(struct saa7146_dev *, struct file *);
void (*irq_done)(struct saa7146_dev *, unsigned long status);
- ssize_t (*read)(struct file *, char __user *, size_t, loff_t *);
};
/* from saa7146_fops.c */
@@ -165,8 +145,6 @@ void saa7146_buffer_finish(struct saa7146_dev *dev, struct saa7146_dmaqueue *q,
void saa7146_buffer_next(struct saa7146_dev *dev, struct saa7146_dmaqueue *q,int vbi);
int saa7146_buffer_queue(struct saa7146_dev *dev, struct saa7146_dmaqueue *q, struct saa7146_buf *buf);
void saa7146_buffer_timeout(struct timer_list *t);
-void saa7146_dma_free(struct saa7146_dev* dev,struct videobuf_queue *q,
- struct saa7146_buf *buf);
int saa7146_vv_init(struct saa7146_dev* dev, struct saa7146_ext_vv *ext_vv);
int saa7146_vv_release(struct saa7146_dev* dev);
@@ -181,11 +159,13 @@ void saa7146_set_gpio(struct saa7146_dev *saa, u8 pin, u8 data);
extern const struct v4l2_ioctl_ops saa7146_video_ioctl_ops;
extern const struct v4l2_ioctl_ops saa7146_vbi_ioctl_ops;
extern const struct saa7146_use_ops saa7146_video_uops;
+extern const struct vb2_ops video_qops;
long saa7146_video_do_ioctl(struct file *file, unsigned int cmd, void *arg);
int saa7146_s_ctrl(struct v4l2_ctrl *ctrl);
/* from saa7146_vbi.c */
extern const struct saa7146_use_ops saa7146_vbi_uops;
+extern const struct vb2_ops vbi_qops;
/* resource management functions */
int saa7146_res_get(struct saa7146_dev *dev, unsigned int bit);