[media] cx18: use v4l2_fh as preparation for adding core priority support
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Родитель
6e29ad50b4
Коммит
0b5f265a88
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@ -50,6 +50,7 @@
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#include <media/v4l2-common.h>
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#include <media/v4l2-ioctl.h>
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#include <media/v4l2-device.h>
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#include <media/v4l2-fh.h>
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#include <media/tuner.h>
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#include <media/ir-kbd-i2c.h>
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#include "cx18-mailbox.h"
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@ -405,12 +406,23 @@ struct cx18_stream {
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};
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struct cx18_open_id {
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struct v4l2_fh fh;
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u32 open_id;
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int type;
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enum v4l2_priority prio;
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struct cx18 *cx;
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};
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static inline struct cx18_open_id *fh2id(struct v4l2_fh *fh)
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{
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return container_of(fh, struct cx18_open_id, fh);
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}
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static inline struct cx18_open_id *file2id(struct file *file)
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{
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return fh2id(file->private_data);
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}
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/* forward declaration of struct defined in cx18-cards.h */
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struct cx18_card;
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@ -585,7 +585,7 @@ start_failed:
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ssize_t cx18_v4l2_read(struct file *filp, char __user *buf, size_t count,
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loff_t *pos)
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{
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struct cx18_open_id *id = filp->private_data;
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struct cx18_open_id *id = file2id(filp);
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struct cx18 *cx = id->cx;
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struct cx18_stream *s = &cx->streams[id->type];
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int rc;
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@ -602,7 +602,7 @@ ssize_t cx18_v4l2_read(struct file *filp, char __user *buf, size_t count,
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unsigned int cx18_v4l2_enc_poll(struct file *filp, poll_table *wait)
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{
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struct cx18_open_id *id = filp->private_data;
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struct cx18_open_id *id = file2id(filp);
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struct cx18 *cx = id->cx;
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struct cx18_stream *s = &cx->streams[id->type];
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int eof = test_bit(CX18_F_S_STREAMOFF, &s->s_flags);
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@ -676,13 +676,16 @@ void cx18_stop_capture(struct cx18_open_id *id, int gop_end)
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int cx18_v4l2_close(struct file *filp)
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{
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struct cx18_open_id *id = filp->private_data;
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struct v4l2_fh *fh = filp->private_data;
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struct cx18_open_id *id = fh2id(fh);
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struct cx18 *cx = id->cx;
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struct cx18_stream *s = &cx->streams[id->type];
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CX18_DEBUG_IOCTL("close() of %s\n", s->name);
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v4l2_prio_close(&cx->prio, id->prio);
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v4l2_fh_del(fh);
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v4l2_fh_exit(fh);
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/* Easy case first: this stream was never claimed by us */
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if (s->id != id->open_id) {
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@ -728,22 +731,25 @@ static int cx18_serialized_open(struct cx18_stream *s, struct file *filp)
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CX18_DEBUG_FILE("open %s\n", s->name);
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/* Allocate memory */
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item = kmalloc(sizeof(struct cx18_open_id), GFP_KERNEL);
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item = kzalloc(sizeof(struct cx18_open_id), GFP_KERNEL);
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if (NULL == item) {
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CX18_DEBUG_WARN("nomem on v4l2 open\n");
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return -ENOMEM;
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}
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v4l2_fh_init(&item->fh, s->video_dev);
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item->cx = cx;
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item->type = s->type;
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v4l2_prio_open(&cx->prio, &item->prio);
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item->open_id = cx->open_id++;
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filp->private_data = item;
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filp->private_data = &item->fh;
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if (item->type == CX18_ENC_STREAM_TYPE_RAD) {
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/* Try to claim this stream */
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if (cx18_claim_stream(item, item->type)) {
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/* No, it's already in use */
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v4l2_fh_exit(&item->fh);
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kfree(item);
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return -EBUSY;
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}
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@ -753,6 +759,7 @@ static int cx18_serialized_open(struct cx18_stream *s, struct file *filp)
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/* switching to radio while capture is
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in progress is not polite */
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cx18_release_stream(s);
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v4l2_fh_exit(&item->fh);
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kfree(item);
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return -EBUSY;
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}
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@ -769,6 +776,7 @@ static int cx18_serialized_open(struct cx18_stream *s, struct file *filp)
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/* Done! Unmute and continue. */
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cx18_unmute(cx);
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}
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v4l2_fh_add(&item->fh);
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return 0;
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}
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@ -148,7 +148,7 @@ u16 cx18_get_service_set(struct v4l2_sliced_vbi_format *fmt)
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static int cx18_g_fmt_vid_cap(struct file *file, void *fh,
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struct v4l2_format *fmt)
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{
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struct cx18_open_id *id = fh;
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struct cx18_open_id *id = fh2id(fh);
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struct cx18 *cx = id->cx;
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struct v4l2_pix_format *pixfmt = &fmt->fmt.pix;
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@ -173,7 +173,7 @@ static int cx18_g_fmt_vid_cap(struct file *file, void *fh,
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static int cx18_g_fmt_vbi_cap(struct file *file, void *fh,
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struct v4l2_format *fmt)
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{
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struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
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struct cx18 *cx = fh2id(fh)->cx;
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struct v4l2_vbi_format *vbifmt = &fmt->fmt.vbi;
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vbifmt->sampling_rate = 27000000;
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@ -192,7 +192,7 @@ static int cx18_g_fmt_vbi_cap(struct file *file, void *fh,
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static int cx18_g_fmt_sliced_vbi_cap(struct file *file, void *fh,
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struct v4l2_format *fmt)
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{
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struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
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struct cx18 *cx = fh2id(fh)->cx;
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struct v4l2_sliced_vbi_format *vbifmt = &fmt->fmt.sliced;
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/* sane, V4L2 spec compliant, defaults */
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@ -221,7 +221,7 @@ static int cx18_g_fmt_sliced_vbi_cap(struct file *file, void *fh,
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static int cx18_try_fmt_vid_cap(struct file *file, void *fh,
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struct v4l2_format *fmt)
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{
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struct cx18_open_id *id = fh;
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struct cx18_open_id *id = fh2id(fh);
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struct cx18 *cx = id->cx;
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int w = fmt->fmt.pix.width;
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int h = fmt->fmt.pix.height;
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@ -252,7 +252,7 @@ static int cx18_try_fmt_vbi_cap(struct file *file, void *fh,
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static int cx18_try_fmt_sliced_vbi_cap(struct file *file, void *fh,
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struct v4l2_format *fmt)
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{
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struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
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struct cx18 *cx = fh2id(fh)->cx;
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struct v4l2_sliced_vbi_format *vbifmt = &fmt->fmt.sliced;
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vbifmt->io_size = sizeof(struct v4l2_sliced_vbi_data) * 36;
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@ -271,7 +271,7 @@ static int cx18_try_fmt_sliced_vbi_cap(struct file *file, void *fh,
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static int cx18_s_fmt_vid_cap(struct file *file, void *fh,
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struct v4l2_format *fmt)
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{
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struct cx18_open_id *id = fh;
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struct cx18_open_id *id = fh2id(fh);
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struct cx18 *cx = id->cx;
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struct v4l2_mbus_framefmt mbus_fmt;
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int ret;
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@ -303,7 +303,7 @@ static int cx18_s_fmt_vid_cap(struct file *file, void *fh,
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static int cx18_s_fmt_vbi_cap(struct file *file, void *fh,
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struct v4l2_format *fmt)
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{
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struct cx18_open_id *id = fh;
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struct cx18_open_id *id = fh2id(fh);
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struct cx18 *cx = id->cx;
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int ret;
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@ -337,7 +337,7 @@ static int cx18_s_fmt_vbi_cap(struct file *file, void *fh,
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static int cx18_s_fmt_sliced_vbi_cap(struct file *file, void *fh,
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struct v4l2_format *fmt)
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{
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struct cx18_open_id *id = fh;
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struct cx18_open_id *id = fh2id(fh);
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struct cx18 *cx = id->cx;
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int ret;
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struct v4l2_sliced_vbi_format *vbifmt = &fmt->fmt.sliced;
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@ -372,7 +372,7 @@ static int cx18_s_fmt_sliced_vbi_cap(struct file *file, void *fh,
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static int cx18_g_chip_ident(struct file *file, void *fh,
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struct v4l2_dbg_chip_ident *chip)
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{
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struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
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struct cx18 *cx = fh2id(fh)->cx;
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int err = 0;
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chip->ident = V4L2_IDENT_NONE;
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@ -442,7 +442,7 @@ static int cx18_cxc(struct cx18 *cx, unsigned int cmd, void *arg)
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static int cx18_g_register(struct file *file, void *fh,
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struct v4l2_dbg_register *reg)
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{
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struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
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struct cx18 *cx = fh2id(fh)->cx;
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if (v4l2_chip_match_host(®->match))
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return cx18_cxc(cx, VIDIOC_DBG_G_REGISTER, reg);
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@ -454,7 +454,7 @@ static int cx18_g_register(struct file *file, void *fh,
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static int cx18_s_register(struct file *file, void *fh,
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struct v4l2_dbg_register *reg)
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{
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struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
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struct cx18 *cx = fh2id(fh)->cx;
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if (v4l2_chip_match_host(®->match))
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return cx18_cxc(cx, VIDIOC_DBG_S_REGISTER, reg);
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@ -466,7 +466,7 @@ static int cx18_s_register(struct file *file, void *fh,
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static int cx18_g_priority(struct file *file, void *fh, enum v4l2_priority *p)
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{
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struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
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struct cx18 *cx = file2id(file)->cx;
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*p = v4l2_prio_max(&cx->prio);
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return 0;
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@ -474,7 +474,7 @@ static int cx18_g_priority(struct file *file, void *fh, enum v4l2_priority *p)
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static int cx18_s_priority(struct file *file, void *fh, enum v4l2_priority prio)
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{
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struct cx18_open_id *id = fh;
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struct cx18_open_id *id = file2id(file);
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struct cx18 *cx = id->cx;
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return v4l2_prio_change(&cx->prio, &id->prio, prio);
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@ -483,7 +483,7 @@ static int cx18_s_priority(struct file *file, void *fh, enum v4l2_priority prio)
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static int cx18_querycap(struct file *file, void *fh,
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struct v4l2_capability *vcap)
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{
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struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
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struct cx18 *cx = fh2id(fh)->cx;
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strlcpy(vcap->driver, CX18_DRIVER_NAME, sizeof(vcap->driver));
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strlcpy(vcap->card, cx->card_name, sizeof(vcap->card));
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@ -496,14 +496,14 @@ static int cx18_querycap(struct file *file, void *fh,
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static int cx18_enumaudio(struct file *file, void *fh, struct v4l2_audio *vin)
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{
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struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
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struct cx18 *cx = fh2id(fh)->cx;
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return cx18_get_audio_input(cx, vin->index, vin);
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}
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static int cx18_g_audio(struct file *file, void *fh, struct v4l2_audio *vin)
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{
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struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
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struct cx18 *cx = fh2id(fh)->cx;
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vin->index = cx->audio_input;
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return cx18_get_audio_input(cx, vin->index, vin);
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@ -511,7 +511,7 @@ static int cx18_g_audio(struct file *file, void *fh, struct v4l2_audio *vin)
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static int cx18_s_audio(struct file *file, void *fh, struct v4l2_audio *vout)
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{
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struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
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struct cx18 *cx = fh2id(fh)->cx;
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if (vout->index >= cx->nof_audio_inputs)
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return -EINVAL;
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@ -522,7 +522,7 @@ static int cx18_s_audio(struct file *file, void *fh, struct v4l2_audio *vout)
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static int cx18_enum_input(struct file *file, void *fh, struct v4l2_input *vin)
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{
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struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
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struct cx18 *cx = fh2id(fh)->cx;
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/* set it to defaults from our table */
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return cx18_get_input(cx, vin->index, vin);
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@ -531,7 +531,7 @@ static int cx18_enum_input(struct file *file, void *fh, struct v4l2_input *vin)
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static int cx18_cropcap(struct file *file, void *fh,
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struct v4l2_cropcap *cropcap)
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{
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struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
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struct cx18 *cx = fh2id(fh)->cx;
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if (cropcap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
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return -EINVAL;
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@ -546,7 +546,7 @@ static int cx18_cropcap(struct file *file, void *fh,
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static int cx18_s_crop(struct file *file, void *fh, struct v4l2_crop *crop)
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{
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struct cx18_open_id *id = fh;
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struct cx18_open_id *id = fh2id(fh);
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struct cx18 *cx = id->cx;
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int ret;
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@ -562,7 +562,7 @@ static int cx18_s_crop(struct file *file, void *fh, struct v4l2_crop *crop)
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static int cx18_g_crop(struct file *file, void *fh, struct v4l2_crop *crop)
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{
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struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
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struct cx18 *cx = fh2id(fh)->cx;
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if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
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return -EINVAL;
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@ -590,7 +590,7 @@ static int cx18_enum_fmt_vid_cap(struct file *file, void *fh,
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static int cx18_g_input(struct file *file, void *fh, unsigned int *i)
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{
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struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
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struct cx18 *cx = fh2id(fh)->cx;
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*i = cx->active_input;
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return 0;
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@ -598,7 +598,7 @@ static int cx18_g_input(struct file *file, void *fh, unsigned int *i)
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int cx18_s_input(struct file *file, void *fh, unsigned int inp)
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{
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struct cx18_open_id *id = fh;
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struct cx18_open_id *id = fh2id(fh);
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struct cx18 *cx = id->cx;
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int ret;
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@ -633,7 +633,7 @@ int cx18_s_input(struct file *file, void *fh, unsigned int inp)
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static int cx18_g_frequency(struct file *file, void *fh,
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struct v4l2_frequency *vf)
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{
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struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
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struct cx18 *cx = fh2id(fh)->cx;
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if (vf->tuner != 0)
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return -EINVAL;
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@ -644,7 +644,7 @@ static int cx18_g_frequency(struct file *file, void *fh,
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int cx18_s_frequency(struct file *file, void *fh, struct v4l2_frequency *vf)
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{
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struct cx18_open_id *id = fh;
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struct cx18_open_id *id = fh2id(fh);
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struct cx18 *cx = id->cx;
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int ret;
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@ -664,7 +664,7 @@ int cx18_s_frequency(struct file *file, void *fh, struct v4l2_frequency *vf)
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static int cx18_g_std(struct file *file, void *fh, v4l2_std_id *std)
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{
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struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
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struct cx18 *cx = fh2id(fh)->cx;
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*std = cx->std;
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return 0;
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@ -672,7 +672,7 @@ static int cx18_g_std(struct file *file, void *fh, v4l2_std_id *std)
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int cx18_s_std(struct file *file, void *fh, v4l2_std_id *std)
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{
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struct cx18_open_id *id = fh;
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struct cx18_open_id *id = fh2id(fh);
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struct cx18 *cx = id->cx;
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int ret;
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@ -713,7 +713,7 @@ int cx18_s_std(struct file *file, void *fh, v4l2_std_id *std)
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static int cx18_s_tuner(struct file *file, void *fh, struct v4l2_tuner *vt)
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{
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struct cx18_open_id *id = fh;
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struct cx18_open_id *id = fh2id(fh);
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struct cx18 *cx = id->cx;
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int ret;
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@ -730,7 +730,7 @@ static int cx18_s_tuner(struct file *file, void *fh, struct v4l2_tuner *vt)
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static int cx18_g_tuner(struct file *file, void *fh, struct v4l2_tuner *vt)
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{
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struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
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struct cx18 *cx = fh2id(fh)->cx;
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|
||||
if (vt->index != 0)
|
||||
return -EINVAL;
|
||||
|
@ -751,7 +751,7 @@ static int cx18_g_tuner(struct file *file, void *fh, struct v4l2_tuner *vt)
|
|||
static int cx18_g_sliced_vbi_cap(struct file *file, void *fh,
|
||||
struct v4l2_sliced_vbi_cap *cap)
|
||||
{
|
||||
struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
|
||||
struct cx18 *cx = fh2id(fh)->cx;
|
||||
int set = cx->is_50hz ? V4L2_SLICED_VBI_625 : V4L2_SLICED_VBI_525;
|
||||
int f, l;
|
||||
|
||||
|
@ -872,7 +872,7 @@ static int cx18_process_idx_data(struct cx18_stream *s, struct cx18_mdl *mdl,
|
|||
static int cx18_g_enc_index(struct file *file, void *fh,
|
||||
struct v4l2_enc_idx *idx)
|
||||
{
|
||||
struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
|
||||
struct cx18 *cx = fh2id(fh)->cx;
|
||||
struct cx18_stream *s = &cx->streams[CX18_ENC_STREAM_TYPE_IDX];
|
||||
s32 tmp;
|
||||
struct cx18_mdl *mdl;
|
||||
|
@ -919,7 +919,7 @@ static int cx18_g_enc_index(struct file *file, void *fh,
|
|||
static int cx18_encoder_cmd(struct file *file, void *fh,
|
||||
struct v4l2_encoder_cmd *enc)
|
||||
{
|
||||
struct cx18_open_id *id = fh;
|
||||
struct cx18_open_id *id = fh2id(fh);
|
||||
struct cx18 *cx = id->cx;
|
||||
u32 h;
|
||||
|
||||
|
@ -980,7 +980,7 @@ static int cx18_encoder_cmd(struct file *file, void *fh,
|
|||
static int cx18_try_encoder_cmd(struct file *file, void *fh,
|
||||
struct v4l2_encoder_cmd *enc)
|
||||
{
|
||||
struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
|
||||
struct cx18 *cx = fh2id(fh)->cx;
|
||||
|
||||
switch (enc->cmd) {
|
||||
case V4L2_ENC_CMD_START:
|
||||
|
@ -1012,7 +1012,7 @@ static int cx18_try_encoder_cmd(struct file *file, void *fh,
|
|||
|
||||
static int cx18_log_status(struct file *file, void *fh)
|
||||
{
|
||||
struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
|
||||
struct cx18 *cx = fh2id(fh)->cx;
|
||||
struct v4l2_input vidin;
|
||||
struct v4l2_audio audin;
|
||||
int i;
|
||||
|
@ -1060,7 +1060,7 @@ static int cx18_log_status(struct file *file, void *fh)
|
|||
static long cx18_default(struct file *file, void *fh, bool valid_prio,
|
||||
int cmd, void *arg)
|
||||
{
|
||||
struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
|
||||
struct cx18 *cx = fh2id(fh)->cx;
|
||||
|
||||
switch (cmd) {
|
||||
case VIDIOC_INT_RESET: {
|
||||
|
@ -1082,7 +1082,7 @@ long cx18_v4l2_ioctl(struct file *filp, unsigned int cmd,
|
|||
unsigned long arg)
|
||||
{
|
||||
struct video_device *vfd = video_devdata(filp);
|
||||
struct cx18_open_id *id = filp->private_data;
|
||||
struct cx18_open_id *id = file2id(filp);
|
||||
struct cx18 *cx = id->cx;
|
||||
long res;
|
||||
|
||||
|
|
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