3  * Driver for Renesas R-Car VIN
20 #include "rcar-vin.h"
91 const struct rvin_video_format *rvin_format_from_pixel(struct rvin_dev *vin,  in rvin_format_from_pixel()  argument
98 		if (vin->info->model == RCAR_M1)  in rvin_format_from_pixel()
106 		if (!vin->info->nv12 || !(BIT(vin->id) & 0x3333))  in rvin_format_from_pixel()
120 static u32 rvin_format_bytesperline(struct rvin_dev *vin,  in rvin_format_bytesperline()  argument
126 	fmt = rvin_format_from_pixel(vin, pix->pixelformat);  in rvin_format_bytesperline()
159 static void rvin_format_align(struct rvin_dev *vin, struct v4l2_pix_format *pix)  in rvin_format_align()  argument
163 	if (!rvin_format_from_pixel(vin, pix->pixelformat))  in rvin_format_align()
200 	/* Limit to VIN capabilities */  in rvin_format_align()
201 	v4l_bound_align_image(&pix->width, 5, vin->info->max_width, walign,  in rvin_format_align()
202 			      &pix->height, 2, vin->info->max_height, 0, 0);  in rvin_format_align()
204 	pix->bytesperline = rvin_format_bytesperline(vin, pix);  in rvin_format_align()
207 	vin_dbg(vin, "Format %ux%u bpl: %u size: %u\n",  in rvin_format_align()
215 static int rvin_reset_format(struct rvin_dev *vin)  in rvin_reset_format()  argument
219 		.pad = vin->parallel.source_pad,  in rvin_reset_format()
223 	ret = v4l2_subdev_call(vin_to_source(vin), pad, get_fmt, NULL, &fmt);  in rvin_reset_format()
227 	v4l2_fill_pix_format(&vin->format, &fmt.format);  in rvin_reset_format()
229 	vin->crop.top = 0;  in rvin_reset_format()
230 	vin->crop.left = 0;  in rvin_reset_format()
231 	vin->crop.width = vin->format.width;  in rvin_reset_format()
232 	vin->crop.height = vin->format.height;  in rvin_reset_format()
235 	if (vin->format.field == V4L2_FIELD_ALTERNATE) {  in rvin_reset_format()
236 		vin->format.field = V4L2_FIELD_INTERLACED;  in rvin_reset_format()
237 		vin->format.height *= 2;  in rvin_reset_format()
240 	rvin_format_align(vin, &vin->format);  in rvin_reset_format()
242 	vin->compose.top = 0;  in rvin_reset_format()
243 	vin->compose.left = 0;  in rvin_reset_format()
244 	vin->compose.width = vin->format.width;  in rvin_reset_format()
245 	vin->compose.height = vin->format.height;  in rvin_reset_format()
250 static int rvin_try_format(struct rvin_dev *vin, u32 which,  in rvin_try_format()  argument
254 	struct v4l2_subdev *sd = vin_to_source(vin);  in rvin_try_format()
259 		.pad = vin->parallel.source_pad,  in rvin_try_format()
273 	if (!rvin_format_from_pixel(vin, pix->pixelformat))  in rvin_try_format()
276 	v4l2_fill_mbus_format(&format.format, pix, vin->mbus_code);  in rvin_try_format()
303 	rvin_format_align(vin, pix);  in rvin_try_format()
321 	struct rvin_dev *vin = video_drvdata(file);  in rvin_try_fmt_vid_cap()  local
323 	return rvin_try_format(vin, V4L2_SUBDEV_FORMAT_TRY, &f->fmt.pix, NULL);  in rvin_try_fmt_vid_cap()
329 	struct rvin_dev *vin = video_drvdata(file);  in rvin_s_fmt_vid_cap()  local
333 	if (vb2_is_busy(&vin->queue))  in rvin_s_fmt_vid_cap()
336 	ret = rvin_try_format(vin, V4L2_SUBDEV_FORMAT_ACTIVE, &f->fmt.pix,  in rvin_s_fmt_vid_cap()
341 	vin->format = f->fmt.pix;  in rvin_s_fmt_vid_cap()
345 	fmt_rect.width = vin->format.width;  in rvin_s_fmt_vid_cap()
346 	fmt_rect.height = vin->format.height;  in rvin_s_fmt_vid_cap()
348 	v4l2_rect_map_inside(&vin->crop, &src_rect);  in rvin_s_fmt_vid_cap()
349 	v4l2_rect_map_inside(&vin->compose, &fmt_rect);  in rvin_s_fmt_vid_cap()
357 	struct rvin_dev *vin = video_drvdata(file);  in rvin_g_fmt_vid_cap()  local
359 	f->fmt.pix = vin->format;  in rvin_g_fmt_vid_cap()
367 	struct rvin_dev *vin = video_drvdata(file);  in rvin_enum_fmt_vid_cap()  local
374 	 * with VIN, so all supported YCbCr and RGB media bus codes can produce  in rvin_enum_fmt_vid_cap()
416 		if (rvin_format_from_pixel(vin, rvin_formats[i].fourcc))  in rvin_enum_fmt_vid_cap()
428 static int rvin_remote_rectangle(struct rvin_dev *vin, struct v4l2_rect *rect)  in rvin_remote_rectangle()  argument
437 	if (vin->info->use_mc) {  in rvin_remote_rectangle()
438 		struct media_pad *pad = media_pad_remote_pad_first(&vin->pad);  in rvin_remote_rectangle()
446 		sd = vin_to_source(vin);  in rvin_remote_rectangle()
447 		index = vin->parallel.source_pad;  in rvin_remote_rectangle()
460 		switch (vin->format.field) {  in rvin_remote_rectangle()
477 	struct rvin_dev *vin = video_drvdata(file);  in rvin_g_selection()  local
480 	if (!vin->scaler)  in rvin_g_selection()
489 		ret = rvin_remote_rectangle(vin, &s->r);  in rvin_g_selection()
495 		s->r = vin->crop;  in rvin_g_selection()
500 		s->r.width = vin->format.width;  in rvin_g_selection()
501 		s->r.height = vin->format.height;  in rvin_g_selection()
504 		s->r = vin->compose;  in rvin_g_selection()
516 	struct rvin_dev *vin = video_drvdata(file);  in rvin_s_selection()  local
526 	if (!vin->scaler)  in rvin_s_selection()
537 		ret = rvin_remote_rectangle(vin, &max_rect);  in rvin_s_selection()
549 		vin->crop = s->r = r;  in rvin_s_selection()
551 		vin_dbg(vin, "Cropped %dx%d@%d:%d of %dx%d\n",  in rvin_s_selection()
558 		max_rect.width = vin->format.width;  in rvin_s_selection()
559 		max_rect.height = vin->format.height;  in rvin_s_selection()
567 		while ((r.top * vin->format.bytesperline) & HW_BUFFER_MASK)  in rvin_s_selection()
570 		fmt = rvin_format_from_pixel(vin, vin->format.pixelformat);  in rvin_s_selection()
574 		vin->compose = s->r = r;  in rvin_s_selection()
576 		vin_dbg(vin, "Compose %dx%d@%d:%d in %dx%d\n",  in rvin_s_selection()
578 			vin->format.width, vin->format.height);  in rvin_s_selection()
585 	rvin_crop_scale_comp(vin);  in rvin_s_selection()
593 	struct rvin_dev *vin = video_drvdata(file);  in rvin_g_parm()  local
594 	struct v4l2_subdev *sd = vin_to_source(vin);  in rvin_g_parm()
596 	return v4l2_g_parm_cap(&vin->vdev, sd, parm);  in rvin_g_parm()
602 	struct rvin_dev *vin = video_drvdata(file);  in rvin_s_parm()  local
603 	struct v4l2_subdev *sd = vin_to_source(vin);  in rvin_s_parm()
605 	return v4l2_s_parm_cap(&vin->vdev, sd, parm);  in rvin_s_parm()
611 	struct rvin_dev *vin = video_drvdata(file);  in rvin_g_pixelaspect()  local
612 	struct v4l2_subdev *sd = vin_to_source(vin);  in rvin_g_pixelaspect()
623 	struct rvin_dev *vin = video_drvdata(file);  in rvin_enum_input()  local
624 	struct v4l2_subdev *sd = vin_to_source(vin);  in rvin_enum_input()
641 		i->std = vin->vdev.tvnorms;  in rvin_enum_input()
664 	struct rvin_dev *vin = video_drvdata(file);  in rvin_querystd()  local
665 	struct v4l2_subdev *sd = vin_to_source(vin);  in rvin_querystd()
672 	struct rvin_dev *vin = video_drvdata(file);  in rvin_s_std()  local
675 	ret = v4l2_subdev_call(vin_to_source(vin), video, s_std, a);  in rvin_s_std()
679 	vin->std = a;  in rvin_s_std()
682 	return rvin_reset_format(vin);  in rvin_s_std()
687 	struct rvin_dev *vin = video_drvdata(file);  in rvin_g_std()  local
689 	if (v4l2_subdev_has_op(vin_to_source(vin), pad, dv_timings_cap))  in rvin_g_std()
692 	*a = vin->std;  in rvin_g_std()
710 	struct rvin_dev *vin = video_drvdata(file);  in rvin_enum_dv_timings()  local
711 	struct v4l2_subdev *sd = vin_to_source(vin);  in rvin_enum_dv_timings()
717 	timings->pad = vin->parallel.sink_pad;  in rvin_enum_dv_timings()
729 	struct rvin_dev *vin = video_drvdata(file);  in rvin_s_dv_timings()  local
730 	struct v4l2_subdev *sd = vin_to_source(vin);  in rvin_s_dv_timings()
738 	return rvin_reset_format(vin);  in rvin_s_dv_timings()
744 	struct rvin_dev *vin = video_drvdata(file);  in rvin_g_dv_timings()  local
745 	struct v4l2_subdev *sd = vin_to_source(vin);  in rvin_g_dv_timings()
753 	struct rvin_dev *vin = video_drvdata(file);  in rvin_query_dv_timings()  local
754 	struct v4l2_subdev *sd = vin_to_source(vin);  in rvin_query_dv_timings()
762 	struct rvin_dev *vin = video_drvdata(file);  in rvin_dv_timings_cap()  local
763 	struct v4l2_subdev *sd = vin_to_source(vin);  in rvin_dv_timings_cap()
769 	cap->pad = vin->parallel.sink_pad;  in rvin_dv_timings_cap()
780 	struct rvin_dev *vin = video_drvdata(file);  in rvin_g_edid()  local
781 	struct v4l2_subdev *sd = vin_to_source(vin);  in rvin_g_edid()
787 	edid->pad = vin->parallel.sink_pad;  in rvin_g_edid()
798 	struct rvin_dev *vin = video_drvdata(file);  in rvin_s_edid()  local
799 	struct v4l2_subdev *sd = vin_to_source(vin);  in rvin_s_edid()
805 	edid->pad = vin->parallel.sink_pad;  in rvin_s_edid()
865 static void rvin_mc_try_format(struct rvin_dev *vin,  in rvin_mc_try_format()  argument
880 	rvin_format_align(vin, pix);  in rvin_mc_try_format()
886 	struct rvin_dev *vin = video_drvdata(file);  in rvin_mc_try_fmt_vid_cap()  local
888 	rvin_mc_try_format(vin, &f->fmt.pix);  in rvin_mc_try_fmt_vid_cap()
896 	struct rvin_dev *vin = video_drvdata(file);  in rvin_mc_s_fmt_vid_cap()  local
898 	if (vb2_is_busy(&vin->queue))  in rvin_mc_s_fmt_vid_cap()
901 	rvin_mc_try_format(vin, &f->fmt.pix);  in rvin_mc_s_fmt_vid_cap()
903 	vin->format = f->fmt.pix;  in rvin_mc_s_fmt_vid_cap()
905 	vin->crop.top = 0;  in rvin_mc_s_fmt_vid_cap()
906 	vin->crop.left = 0;  in rvin_mc_s_fmt_vid_cap()
907 	vin->crop.width = vin->format.width;  in rvin_mc_s_fmt_vid_cap()
908 	vin->crop.height = vin->format.height;  in rvin_mc_s_fmt_vid_cap()
909 	vin->compose = vin->crop;  in rvin_mc_s_fmt_vid_cap()
943 static int rvin_power_parallel(struct rvin_dev *vin, bool on)  in rvin_power_parallel()  argument
945 	struct v4l2_subdev *sd = vin_to_source(vin);  in rvin_power_parallel()
958 	struct rvin_dev *vin = video_drvdata(file);  in rvin_open()  local
961 	ret = pm_runtime_resume_and_get(vin->dev);  in rvin_open()
965 	ret = mutex_lock_interruptible(&vin->lock);  in rvin_open()
969 	file->private_data = vin;  in rvin_open()
975 	if (vin->info->use_mc)  in rvin_open()
976 		ret = v4l2_pipeline_pm_get(&vin->vdev.entity);  in rvin_open()
978 		ret = rvin_power_parallel(vin, true);  in rvin_open()
983 	ret = v4l2_ctrl_handler_setup(&vin->ctrl_handler);  in rvin_open()
987 	mutex_unlock(&vin->lock);  in rvin_open()
991 	if (vin->info->use_mc)  in rvin_open()
992 		v4l2_pipeline_pm_put(&vin->vdev.entity);  in rvin_open()
994 		rvin_power_parallel(vin, false);  in rvin_open()
998 	mutex_unlock(&vin->lock);  in rvin_open()
1000 	pm_runtime_put(vin->dev);  in rvin_open()
1007 	struct rvin_dev *vin = video_drvdata(file);  in rvin_release()  local
1011 	mutex_lock(&vin->lock);  in rvin_release()
1019 	if (vin->info->use_mc) {  in rvin_release()
1020 		v4l2_pipeline_pm_put(&vin->vdev.entity);  in rvin_release()
1023 			rvin_power_parallel(vin, false);  in rvin_release()
1026 	mutex_unlock(&vin->lock);  in rvin_release()
1028 	pm_runtime_put(vin->dev);  in rvin_release()
1043 void rvin_v4l2_unregister(struct rvin_dev *vin)  in rvin_v4l2_unregister()  argument
1045 	if (!video_is_registered(&vin->vdev))  in rvin_v4l2_unregister()
1048 	v4l2_info(&vin->v4l2_dev, "Removing %s\n",  in rvin_v4l2_unregister()
1049 		  video_device_node_name(&vin->vdev));  in rvin_v4l2_unregister()
1052 	video_unregister_device(&vin->vdev);  in rvin_v4l2_unregister()
1055 static void rvin_notify_video_device(struct rvin_dev *vin,  in rvin_notify_video_device()  argument
1060 		v4l2_event_queue(&vin->vdev, arg);  in rvin_notify_video_device()
1073 	struct rvin_dev *vin =  in rvin_notify()  local
1078 	if (!vin->info->use_mc) {  in rvin_notify()
1079 		rvin_notify_video_device(vin, notification, arg);  in rvin_notify()
1083 	group = vin->group;  in rvin_notify()
1086 		vin = group->vin[i];  in rvin_notify()
1087 		if (!vin)  in rvin_notify()
1090 		pad = media_pad_remote_pad_first(&vin->pad);  in rvin_notify()
1098 		rvin_notify_video_device(vin, notification, arg);  in rvin_notify()
1102 int rvin_v4l2_register(struct rvin_dev *vin)  in rvin_v4l2_register()  argument
1104 	struct video_device *vdev = &vin->vdev;  in rvin_v4l2_register()
1107 	vin->v4l2_dev.notify = rvin_notify;  in rvin_v4l2_register()
1110 	vdev->v4l2_dev = &vin->v4l2_dev;  in rvin_v4l2_register()
1111 	vdev->queue = &vin->queue;  in rvin_v4l2_register()
1112 	snprintf(vdev->name, sizeof(vdev->name), "VIN%u output", vin->id);  in rvin_v4l2_register()
1114 	vdev->lock = &vin->lock;  in rvin_v4l2_register()
1120 	vin->format.pixelformat	= RVIN_DEFAULT_FORMAT;  in rvin_v4l2_register()
1121 	vin->format.width = RVIN_DEFAULT_WIDTH;  in rvin_v4l2_register()
1122 	vin->format.height = RVIN_DEFAULT_HEIGHT;  in rvin_v4l2_register()
1123 	vin->format.field = RVIN_DEFAULT_FIELD;  in rvin_v4l2_register()
1124 	vin->format.colorspace = RVIN_DEFAULT_COLORSPACE;  in rvin_v4l2_register()
1126 	if (vin->info->use_mc) {  in rvin_v4l2_register()
1131 		rvin_reset_format(vin);  in rvin_v4l2_register()
1134 	rvin_format_align(vin, &vin->format);  in rvin_v4l2_register()
1136 	ret = video_register_device(&vin->vdev, VFL_TYPE_VIDEO, -1);  in rvin_v4l2_register()
1138 		vin_err(vin, "Failed to register video device\n");  in rvin_v4l2_register()
1142 	video_set_drvdata(&vin->vdev, vin);  in rvin_v4l2_register()
1144 	v4l2_info(&vin->v4l2_dev, "Device registered as %s\n",  in rvin_v4l2_register()
1145 		  video_device_node_name(&vin->vdev));  in rvin_v4l2_register()