13 #define IS_CAPTURE_ACTIVE(fh) \  argument
14 	(((vv->video_status & STATUS_CAPTURE) != 0) && (vv->video_fh == fh))
16 #define IS_OVERLAY_ACTIVE(fh) \  argument
17 	(((vv->video_status & STATUS_OVERLAY) != 0) && (vv->video_fh == fh))
105 static int vidioc_try_fmt_vid_overlay(struct file *file, void *fh, struct v4l2_format *f);
107 int saa7146_start_preview(struct saa7146_fh *fh)  in saa7146_start_preview()  argument
109 	struct saa7146_dev *dev = fh->dev;  in saa7146_start_preview()
114 	DEB_EE("dev:%p, fh:%p\n", dev, fh);  in saa7146_start_preview()
117 	if (vv->ov.fh == NULL) {  in saa7146_start_preview()
123 	if (IS_CAPTURE_ACTIVE(fh) != 0) {  in saa7146_start_preview()
129 	if (IS_OVERLAY_ACTIVE(fh) != 0) {  in saa7146_start_preview()
130 		if (vv->video_fh == fh) {  in saa7146_start_preview()
138 	if (0 == saa7146_res_get(fh, RESOURCE_DMA1_HPS|RESOURCE_DMA2_CLP)) {  in saa7146_start_preview()
144 	err = vidioc_try_fmt_vid_overlay(NULL, fh, &fmt);  in saa7146_start_preview()
156 	if (0 != (ret = saa7146_enable_overlay(fh))) {  in saa7146_start_preview()
163 	vv->video_fh = fh;  in saa7146_start_preview()
169 int saa7146_stop_preview(struct saa7146_fh *fh)  in saa7146_stop_preview()  argument
171 	struct saa7146_dev *dev = fh->dev;  in saa7146_stop_preview()
174 	DEB_EE("dev:%p, fh:%p\n", dev, fh);  in saa7146_stop_preview()
177 	if (IS_CAPTURE_ACTIVE(fh) != 0) {  in saa7146_stop_preview()
188 	if (vv->video_fh != fh) {  in saa7146_stop_preview()
196 	saa7146_disable_overlay(fh);  in saa7146_stop_preview()
198 	saa7146_res_free(fh, RESOURCE_DMA1_HPS|RESOURCE_DMA2_CLP);  in saa7146_stop_preview()
328 static int video_begin(struct saa7146_fh *fh)  in video_begin()  argument
330 	struct saa7146_dev *dev = fh->dev;  in video_begin()
336 	DEB_EE("dev:%p, fh:%p\n", dev, fh);  in video_begin()
339 		if (vv->video_fh == fh) {  in video_begin()
367 	ret = saa7146_res_get(fh, resource);  in video_begin()
383 	vv->video_fh = fh;  in video_begin()
389 static int video_end(struct saa7146_fh *fh, struct file *file)  in video_end()  argument
391 	struct saa7146_dev *dev = fh->dev;  in video_end()
397 	DEB_EE("dev:%p, fh:%p\n", dev, fh);  in video_end()
404 	if (vv->video_fh != fh) {  in video_end()
436 	saa7146_res_free(fh, resource);  in video_end()
446 static int vidioc_querycap(struct file *file, void *fh, struct v4l2_capability *cap)  in vidioc_querycap()  argument
449 	struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;  in vidioc_querycap()
470 static int vidioc_g_fbuf(struct file *file, void *fh, struct v4l2_framebuffer *fb)  in vidioc_g_fbuf()  argument
472 	struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;  in vidioc_g_fbuf()
481 static int vidioc_s_fbuf(struct file *file, void *fh, const struct v4l2_framebuffer *fb)  in vidioc_s_fbuf()  argument
483 	struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;  in vidioc_s_fbuf()
503 	if (IS_OVERLAY_ACTIVE(fh) != 0) {  in vidioc_s_fbuf()
504 		if (vv->video_fh != fh) {  in vidioc_s_fbuf()
521 static int vidioc_enum_fmt_vid_cap(struct file *file, void *fh, struct v4l2_fmtdesc *f)  in vidioc_enum_fmt_vid_cap()  argument
581 		struct saa7146_fh *fh = vv->video_fh;  in saa7146_s_ctrl()  local
583 		saa7146_stop_preview(fh);  in saa7146_s_ctrl()
584 		saa7146_start_preview(fh);  in saa7146_s_ctrl()
589 static int vidioc_g_parm(struct file *file, void *fh,  in vidioc_g_parm()  argument
592 	struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;  in vidioc_g_parm()
603 static int vidioc_g_fmt_vid_cap(struct file *file, void *fh, struct v4l2_format *f)  in vidioc_g_fmt_vid_cap()  argument
605 	struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;  in vidioc_g_fmt_vid_cap()
612 static int vidioc_g_fmt_vid_overlay(struct file *file, void *fh, struct v4l2_format *f)  in vidioc_g_fmt_vid_overlay()  argument
614 	struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;  in vidioc_g_fmt_vid_overlay()
621 static int vidioc_g_fmt_vbi_cap(struct file *file, void *fh, struct v4l2_format *f)  in vidioc_g_fmt_vbi_cap()  argument
623 	struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;  in vidioc_g_fmt_vbi_cap()
630 static int vidioc_try_fmt_vid_cap(struct file *file, void *fh, struct v4l2_format *f)  in vidioc_try_fmt_vid_cap()  argument
632 	struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;  in vidioc_try_fmt_vid_cap()
639 	DEB_EE("V4L2_BUF_TYPE_VIDEO_CAPTURE: dev:%p, fh:%p\n", dev, fh);  in vidioc_try_fmt_vid_cap()
696 static int vidioc_try_fmt_vid_overlay(struct file *file, void *fh, struct v4l2_format *f)  in vidioc_try_fmt_vid_overlay()  argument
698 	struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;  in vidioc_try_fmt_vid_overlay()
757 	struct saa7146_fh *fh = __fh;  in vidioc_s_fmt_vid_cap()  local
758 	struct saa7146_dev *dev = fh->dev;  in vidioc_s_fmt_vid_cap()
762 	DEB_EE("V4L2_BUF_TYPE_VIDEO_CAPTURE: dev:%p, fh:%p\n", dev, fh);  in vidioc_s_fmt_vid_cap()
763 	if (IS_CAPTURE_ACTIVE(fh) != 0) {  in vidioc_s_fmt_vid_cap()
767 	err = vidioc_try_fmt_vid_cap(file, fh, f);  in vidioc_s_fmt_vid_cap()
778 	struct saa7146_fh *fh = __fh;  in vidioc_s_fmt_vid_overlay()  local
779 	struct saa7146_dev *dev = fh->dev;  in vidioc_s_fmt_vid_overlay()
783 	DEB_EE("V4L2_BUF_TYPE_VIDEO_OVERLAY: dev:%p, fh:%p\n", dev, fh);  in vidioc_s_fmt_vid_overlay()
784 	err = vidioc_try_fmt_vid_overlay(file, fh, f);  in vidioc_s_fmt_vid_overlay()
797 	vv->ov.fh = fh;  in vidioc_s_fmt_vid_overlay()
800 	if (IS_OVERLAY_ACTIVE(fh) != 0) {  in vidioc_s_fmt_vid_overlay()
801 		saa7146_stop_preview(fh);  in vidioc_s_fmt_vid_overlay()
802 		saa7146_start_preview(fh);  in vidioc_s_fmt_vid_overlay()
807 static int vidioc_g_std(struct file *file, void *fh, v4l2_std_id *norm)  in vidioc_g_std()  argument
809 	struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;  in vidioc_g_std()
834 static int vidioc_s_std(struct file *file, void *fh, v4l2_std_id id)  in vidioc_s_std()  argument
836 	struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;  in vidioc_s_std()
881 static int vidioc_overlay(struct file *file, void *fh, unsigned int on)  in vidioc_overlay()  argument
887 		err = saa7146_start_preview(fh);  in vidioc_overlay()
889 		err = saa7146_stop_preview(fh);  in vidioc_overlay()
895 	struct saa7146_fh *fh = __fh;  in vidioc_reqbufs()  local
898 		return videobuf_reqbufs(&fh->video_q, b);  in vidioc_reqbufs()
900 		return videobuf_reqbufs(&fh->vbi_q, b);  in vidioc_reqbufs()
906 	struct saa7146_fh *fh = __fh;  in vidioc_querybuf()  local
909 		return videobuf_querybuf(&fh->video_q, buf);  in vidioc_querybuf()
911 		return videobuf_querybuf(&fh->vbi_q, buf);  in vidioc_querybuf()
917 	struct saa7146_fh *fh = __fh;  in vidioc_qbuf()  local
920 		return videobuf_qbuf(&fh->video_q, buf);  in vidioc_qbuf()
922 		return videobuf_qbuf(&fh->vbi_q, buf);  in vidioc_qbuf()
928 	struct saa7146_fh *fh = __fh;  in vidioc_dqbuf()  local
931 		return videobuf_dqbuf(&fh->video_q, buf, file->f_flags & O_NONBLOCK);  in vidioc_dqbuf()
933 		return videobuf_dqbuf(&fh->vbi_q, buf, file->f_flags & O_NONBLOCK);  in vidioc_dqbuf()
939 	struct saa7146_fh *fh = __fh;  in vidioc_streamon()  local
944 	err = video_begin(fh);  in vidioc_streamon()
948 		return videobuf_streamon(&fh->video_q);  in vidioc_streamon()
950 		return videobuf_streamon(&fh->vbi_q);  in vidioc_streamon()
956 	struct saa7146_fh *fh = __fh;  in vidioc_streamoff()  local
957 	struct saa7146_dev *dev = fh->dev;  in vidioc_streamoff()
971 	if (vv->video_fh != fh) {  in vidioc_streamoff()
978 		err = videobuf_streamoff(&fh->video_q);  in vidioc_streamoff()
980 		err = videobuf_streamoff(&fh->vbi_q);  in vidioc_streamoff()
983 		video_end(fh, file);  in vidioc_streamoff()
985 		err = video_end(fh, file);  in vidioc_streamoff()
1061 	struct saa7146_fh *fh = file->private_data;  in buffer_prepare()  local
1062 	struct saa7146_dev *dev = fh->dev;  in buffer_prepare()
1142 	struct saa7146_fh *fh = file->private_data;  in buffer_setup()  local
1143 	struct saa7146_vv *vv = fh->dev->vv_data;  in buffer_setup()
1163 	struct saa7146_fh *fh = file->private_data;  in buffer_queue()  local
1164 	struct saa7146_dev *dev = fh->dev;  in buffer_queue()
1169 	saa7146_buffer_queue(fh->dev, &vv->video_dmaq, buf);  in buffer_queue()
1175 	struct saa7146_fh *fh = file->private_data;  in buffer_release()  local
1176 	struct saa7146_dev *dev = fh->dev;  in buffer_release()
1216 	struct saa7146_fh *fh = file->private_data;  in video_open()  local
1218 	videobuf_queue_sg_init(&fh->video_q, &video_qops,  in video_open()
1231 	struct saa7146_fh *fh = file->private_data;  in video_close()  local
1233 	struct videobuf_queue *q = &fh->video_q;  in video_close()
1235 	if (IS_CAPTURE_ACTIVE(fh) != 0)  in video_close()
1236 		video_end(fh, file);  in video_close()
1237 	else if (IS_OVERLAY_ACTIVE(fh) != 0)  in video_close()
1238 		saa7146_stop_preview(fh);  in video_close()
1264 	struct saa7146_fh *fh = file->private_data;  in video_read()  local
1265 	struct saa7146_dev *dev = fh->dev;  in video_read()
1273 		if (vv->video_fh == fh) {  in video_read()
1281 	ret = video_begin(fh);  in video_read()
1286 	ret = videobuf_read_one(&fh->video_q , data, count, ppos,  in video_read()
1289 		video_end(fh, file);  in video_read()
1291 		ret = video_end(fh, file);  in video_read()