common/saa7146/saa7146_video.c

15 	(((vv->video_status & STATUS_CAPTURE) != 0) && (vv->video_fh == fh))
18 	(((vv->video_status & STATUS_OVERLAY) != 0) && (vv->video_fh == fh))
99 	struct saa7146_vv *vv = dev->vv_data;  in saa7146_start_preview()  local
106 	if (vv->ov.fh == NULL) {  in saa7146_start_preview()
119 		if (vv->video_fh == fh) {  in saa7146_start_preview()
132 	fmt.fmt.win = vv->ov.win;  in saa7146_start_preview()
135 		saa7146_res_free(vv->video_fh, RESOURCE_DMA1_HPS|RESOURCE_DMA2_CLP);  in saa7146_start_preview()
138 	vv->ov.win = fmt.fmt.win;  in saa7146_start_preview()
141 	      vv->ov.win.w.width, vv->ov.win.w.height,  in saa7146_start_preview()
142 	      vv->ov.win.w.left, vv->ov.win.w.top,  in saa7146_start_preview()
143 	      vv->ov_fmt->pixelformat, v4l2_field_names[vv->ov.win.field]);  in saa7146_start_preview()
147 		saa7146_res_free(vv->video_fh, RESOURCE_DMA1_HPS|RESOURCE_DMA2_CLP);  in saa7146_start_preview()
151 	vv->video_status = STATUS_OVERLAY;  in saa7146_start_preview()
152 	vv->video_fh = fh;  in saa7146_start_preview()
161 	struct saa7146_vv *vv = dev->vv_data;  in saa7146_stop_preview()  local
172 	if ((vv->video_status & STATUS_OVERLAY) == 0) {  in saa7146_stop_preview()
177 	if (vv->video_fh != fh) {  in saa7146_stop_preview()
182 	vv->video_status = 0;  in saa7146_stop_preview()
183 	vv->video_fh = NULL;  in saa7146_stop_preview()
320 	struct saa7146_vv *vv = dev->vv_data;  in video_begin()  local
327 	if ((vv->video_status & STATUS_CAPTURE) != 0) {  in video_begin()
328 		if (vv->video_fh == fh) {  in video_begin()
336 	if ((vv->video_status & STATUS_OVERLAY) != 0) {  in video_begin()
338 		vv->ov_suspend = vv->video_fh;  in video_begin()
339 …err = saa7146_stop_preview(vv->video_fh); /* side effect: video_status is now 0, video_fh is NULL …  in video_begin()
346 	fmt = saa7146_format_by_fourcc(dev, vv->video_fmt.pixelformat);  in video_begin()
360 		if (vv->ov_suspend != NULL) {  in video_begin()
361 			saa7146_start_preview(vv->ov_suspend);  in video_begin()
362 			vv->ov_suspend = NULL;  in video_begin()
373 	vv->video_fh = fh;  in video_begin()
374 	vv->video_status = STATUS_CAPTURE;  in video_begin()
382 	struct saa7146_vv *vv = dev->vv_data;  in video_end()  local
383 	struct saa7146_dmaqueue *q = &vv->video_dmaq;  in video_end()
390 	if ((vv->video_status & STATUS_CAPTURE) != STATUS_CAPTURE) {  in video_end()
395 	if (vv->video_fh != fh) {  in video_end()
400 	fmt = saa7146_format_by_fourcc(dev, vv->video_fmt.pixelformat);  in video_end()
428 	vv->video_fh = NULL;  in video_end()
429 	vv->video_status = 0;  in video_end()
433 	if (vv->ov_suspend != NULL) {  in video_end()
434 		saa7146_start_preview(vv->ov_suspend);  in video_end()
435 		vv->ov_suspend = NULL;  in video_end()
458 	struct saa7146_vv *vv = dev->vv_data;  in vidioc_g_fbuf()  local
460 	*fb = vv->ov_fb;  in vidioc_g_fbuf()
469 	struct saa7146_vv *vv = dev->vv_data;  in vidioc_s_fbuf()  local
489 		if (vv->video_fh != fh) {  in vidioc_s_fbuf()
496 	vv->ov_fb = *fb;  in vidioc_s_fbuf()
497 	vv->ov_fmt = fmt;  in vidioc_s_fbuf()
499 	if (vv->ov_fb.fmt.bytesperline < vv->ov_fb.fmt.width) {  in vidioc_s_fbuf()
500 		vv->ov_fb.fmt.bytesperline = vv->ov_fb.fmt.width * fmt->depth / 8;  in vidioc_s_fbuf()
501 		DEB_D("setting bytesperline to %d\n", vv->ov_fb.fmt.bytesperline);  in vidioc_s_fbuf()
518 	struct saa7146_vv *vv = dev->vv_data;  in saa7146_s_ctrl()  local
548 		if ((vv->video_status & STATUS_CAPTURE))  in saa7146_s_ctrl()
550 		vv->hflip = ctrl->val;  in saa7146_s_ctrl()
554 		if ((vv->video_status & STATUS_CAPTURE))  in saa7146_s_ctrl()
556 		vv->vflip = ctrl->val;  in saa7146_s_ctrl()
563 	if ((vv->video_status & STATUS_OVERLAY) != 0) { /* CHECK: && (vv->video_fh == fh)) */  in saa7146_s_ctrl()
564 		struct saa7146_fh *fh = vv->video_fh;  in saa7146_s_ctrl()
576 	struct saa7146_vv *vv = dev->vv_data;  in vidioc_g_parm()  local
581 	v4l2_video_std_frame_period(vv->standard->id,  in vidioc_g_parm()
589 	struct saa7146_vv *vv = dev->vv_data;  in vidioc_g_fmt_vid_cap()  local
591 	f->fmt.pix = vv->video_fmt;  in vidioc_g_fmt_vid_cap()
598 	struct saa7146_vv *vv = dev->vv_data;  in vidioc_g_fmt_vid_overlay()  local
600 	f->fmt.win = vv->ov.win;  in vidioc_g_fmt_vid_overlay()
607 	struct saa7146_vv *vv = dev->vv_data;  in vidioc_g_fmt_vbi_cap()  local
609 	f->fmt.vbi = vv->vbi_fmt;  in vidioc_g_fmt_vbi_cap()
616 	struct saa7146_vv *vv = dev->vv_data;  in vidioc_try_fmt_vid_cap()  local
629 	maxw  = vv->standard->h_max_out;  in vidioc_try_fmt_vid_cap()
630 	maxh  = vv->standard->v_max_out;  in vidioc_try_fmt_vid_cap()
639 		vv->last_field = V4L2_FIELD_TOP;  in vidioc_try_fmt_vid_cap()
644 		vv->last_field = V4L2_FIELD_INTERLACED;  in vidioc_try_fmt_vid_cap()
648 		vv->last_field = V4L2_FIELD_INTERLACED;  in vidioc_try_fmt_vid_cap()
682 	struct saa7146_vv *vv = dev->vv_data;  in vidioc_try_fmt_vid_overlay()  local
689 	if (NULL == vv->ov_fb.base) {  in vidioc_try_fmt_vid_overlay()
693 	if (NULL == vv->ov_fmt) {  in vidioc_try_fmt_vid_overlay()
708 	maxw  = vv->standard->h_max_out;  in vidioc_try_fmt_vid_overlay()
709 	maxh  = vv->standard->v_max_out;  in vidioc_try_fmt_vid_overlay()
742 	struct saa7146_vv *vv = dev->vv_data;  in vidioc_s_fmt_vid_cap()  local
753 	vv->video_fmt = f->fmt.pix;  in vidioc_s_fmt_vid_cap()
755 	       (char *)&vv->video_fmt.pixelformat);  in vidioc_s_fmt_vid_cap()
763 	struct saa7146_vv *vv = dev->vv_data;  in vidioc_s_fmt_vid_overlay()  local
770 	vv->ov.win    = f->fmt.win;  in vidioc_s_fmt_vid_overlay()
771 	vv->ov.nclips = f->fmt.win.clipcount;  in vidioc_s_fmt_vid_overlay()
772 	if (vv->ov.nclips > 16)  in vidioc_s_fmt_vid_overlay()
773 		vv->ov.nclips = 16;  in vidioc_s_fmt_vid_overlay()
774 	if (copy_from_user(vv->ov.clips, f->fmt.win.clips,  in vidioc_s_fmt_vid_overlay()
775 				sizeof(struct v4l2_clip) * vv->ov.nclips)) {  in vidioc_s_fmt_vid_overlay()
779 	/* vv->ov.fh is used to indicate that we have valid overlay information, too */  in vidioc_s_fmt_vid_overlay()
780 	vv->ov.fh = fh;  in vidioc_s_fmt_vid_overlay()
793 	struct saa7146_vv *vv = dev->vv_data;  in vidioc_g_std()  local
795 	*norm = vv->standard->id;  in vidioc_g_std()
820 	struct saa7146_vv *vv = dev->vv_data;  in vidioc_s_std()  local
826 	if ((vv->video_status & STATUS_CAPTURE) == STATUS_CAPTURE) {  in vidioc_s_std()
831 	if ((vv->video_status & STATUS_OVERLAY) != 0) {  in vidioc_s_std()
832 		vv->ov_suspend = vv->video_fh;  in vidioc_s_std()
833 …err = saa7146_stop_preview(vv->video_fh); /* side effect: video_status is now 0, video_fh is NULL …  in vidioc_s_std()
844 		vv->standard = &dev->ext_vv_data->stds[i];  in vidioc_s_std()
846 			dev->ext_vv_data->std_callback(dev, vv->standard);  in vidioc_s_std()
850 	if (vv->ov_suspend != NULL) {  in vidioc_s_std()
851 		saa7146_start_preview(vv->ov_suspend);  in vidioc_s_std()
852 		vv->ov_suspend = NULL;  in vidioc_s_std()
860 	DEB_EE("VIDIOC_S_STD: set to standard to '%s'\n", vv->standard->name);  in vidioc_s_std()
941 	struct saa7146_vv *vv = dev->vv_data;  in vidioc_streamoff()  local
949 	if ((vv->video_status & STATUS_CAPTURE) != STATUS_CAPTURE) {  in vidioc_streamoff()
954 	if (vv->video_fh != fh) {  in vidioc_streamoff()
1024 	struct saa7146_vv *vv = dev->vv_data;  in buffer_activate()  local
1029 	mod_timer(&vv->video_dmaq.timeout, jiffies+BUFFER_TIMEOUT);  in buffer_activate()
1046 	struct saa7146_vv *vv = dev->vv_data;  in buffer_prepare()  local
1053 	if (vv->video_fmt.width  < 48 ||  in buffer_prepare()
1054 	    vv->video_fmt.height < 32 ||  in buffer_prepare()
1055 	    vv->video_fmt.width  > vv->standard->h_max_out ||  in buffer_prepare()
1056 	    vv->video_fmt.height > vv->standard->v_max_out) {  in buffer_prepare()
1058 		      vv->video_fmt.width, vv->video_fmt.height);  in buffer_prepare()
1062 	size = vv->video_fmt.sizeimage;  in buffer_prepare()
1069 		vv->video_fmt.width, vv->video_fmt.height,  in buffer_prepare()
1070 		size, v4l2_field_names[vv->video_fmt.field]);  in buffer_prepare()
1071 	if (buf->vb.width  != vv->video_fmt.width  ||  in buffer_prepare()
1072 	    buf->vb.bytesperline != vv->video_fmt.bytesperline ||  in buffer_prepare()
1073 	    buf->vb.height != vv->video_fmt.height ||  in buffer_prepare()
1076 	    buf->vb.field  != vv->video_fmt.field  ||  in buffer_prepare()
1077 	    buf->fmt       != &vv->video_fmt) {  in buffer_prepare()
1084 		buf->vb.bytesperline  = vv->video_fmt.bytesperline;  in buffer_prepare()
1085 		buf->vb.width  = vv->video_fmt.width;  in buffer_prepare()
1086 		buf->vb.height = vv->video_fmt.height;  in buffer_prepare()
1089 		buf->fmt       = &vv->video_fmt;  in buffer_prepare()
1090 		buf->vb.field  = vv->video_fmt.field;  in buffer_prepare()
1103 		err = videobuf_iolock(q,&buf->vb, &vv->ov_fb);  in buffer_prepare()
1126 	struct saa7146_vv *vv = fh->dev->vv_data;  in buffer_setup()  local
1131 	*size = vv->video_fmt.sizeimage;  in buffer_setup()
1148 	struct saa7146_vv *vv = dev->vv_data;  in buffer_queue()  local
1152 	saa7146_buffer_queue(fh->dev, &vv->video_dmaq, buf);  in buffer_queue()
1179 static void video_init(struct saa7146_dev *dev, struct saa7146_vv *vv)  in video_init()  argument
1181 	INIT_LIST_HEAD(&vv->video_dmaq.queue);  in video_init()
1183 	timer_setup(&vv->video_dmaq.timeout, saa7146_buffer_timeout, 0);  in video_init()
1184 	vv->video_dmaq.dev              = dev;  in video_init()
1187 	vv->standard = &dev->ext_vv_data->stds[0];  in video_init()
1190 	vv->current_hps_source = SAA7146_HPS_SOURCE_PORT_A;  in video_init()
1191 	vv->current_hps_sync = SAA7146_HPS_SYNC_PORT_A;  in video_init()
1213 	struct saa7146_vv *vv = dev->vv_data;  in video_close()  local
1228 	struct saa7146_vv *vv = dev->vv_data;  in video_irq_done()  local
1229 	struct saa7146_dmaqueue *q = &vv->video_dmaq;  in video_irq_done()
1247 	struct saa7146_vv *vv = dev->vv_data;  in video_read()  local
1252 	if ((vv->video_status & STATUS_CAPTURE) != 0) {  in video_read()
1254 		if (vv->video_fh == fh) {  in video_read()
1276 	if (vv->ov_suspend != NULL) {  in video_read()
1277 		saa7146_start_preview(vv->ov_suspend);  in video_read()
1278 		vv->ov_suspend = NULL;  in video_read()