47 #define is_streaming(ici, icd)				\  argument
48 	(((ici)->ops->init_videobuf) ?			\
180 static int soc_camera_clock_start(struct soc_camera_host *ici)  in soc_camera_clock_start()  argument
184 	if (!ici->ops->clock_start)  in soc_camera_clock_start()
187 	mutex_lock(&ici->clk_lock);  in soc_camera_clock_start()
188 	ret = ici->ops->clock_start(ici);  in soc_camera_clock_start()
189 	mutex_unlock(&ici->clk_lock);  in soc_camera_clock_start()
194 static void soc_camera_clock_stop(struct soc_camera_host *ici)  in soc_camera_clock_stop()  argument
196 	if (!ici->ops->clock_stop)  in soc_camera_clock_stop()
199 	mutex_lock(&ici->clk_lock);  in soc_camera_clock_stop()
200 	ici->ops->clock_stop(ici);  in soc_camera_clock_stop()
201 	mutex_unlock(&ici->clk_lock);  in soc_camera_clock_stop()
256 	struct soc_camera_host *ici = to_soc_camera_host(icd->parent);  in soc_camera_try_fmt()  local
265 	    !(ici->capabilities & SOCAM_HOST_CAP_STRIDE)) {  in soc_camera_try_fmt()
270 	ret = ici->ops->try_fmt(icd, f);  in soc_camera_try_fmt()
360 	struct soc_camera_host *ici = to_soc_camera_host(icd->parent);  in soc_camera_enum_framesizes()  local
362 	return ici->ops->enum_framesizes(icd, fsize);  in soc_camera_enum_framesizes()
370 	struct soc_camera_host *ici = to_soc_camera_host(icd->parent);  in soc_camera_reqbufs()  local
377 	if (ici->ops->init_videobuf) {  in soc_camera_reqbufs()
382 		ret = ici->ops->reqbufs(icd, p);  in soc_camera_reqbufs()
396 	struct soc_camera_host *ici = to_soc_camera_host(icd->parent);  in soc_camera_querybuf()  local
400 	if (ici->ops->init_videobuf)  in soc_camera_querybuf()
410 	struct soc_camera_host *ici = to_soc_camera_host(icd->parent);  in soc_camera_qbuf()  local
417 	if (ici->ops->init_videobuf)  in soc_camera_qbuf()
427 	struct soc_camera_host *ici = to_soc_camera_host(icd->parent);  in soc_camera_dqbuf()  local
434 	if (ici->ops->init_videobuf)  in soc_camera_dqbuf()
444 	struct soc_camera_host *ici = to_soc_camera_host(icd->parent);  in soc_camera_create_bufs()  local
448 	if (ici->ops->init_videobuf)  in soc_camera_create_bufs()
464 	struct soc_camera_host *ici = to_soc_camera_host(icd->parent);  in soc_camera_prepare_buf()  local
467 	if (ici->ops->init_videobuf)  in soc_camera_prepare_buf()
477 	struct soc_camera_host *ici = to_soc_camera_host(icd->parent);  in soc_camera_expbuf()  local
480 	if (ici->ops->init_videobuf)  in soc_camera_expbuf()
492 	struct soc_camera_host *ici = to_soc_camera_host(icd->parent);  in soc_camera_init_user_formats()  local
504 	if (!ici->ops->get_formats)  in soc_camera_init_user_formats()
516 			ret = ici->ops->get_formats(icd, i, NULL);  in soc_camera_init_user_formats()
535 		if (!ici->ops->get_formats) {  in soc_camera_init_user_formats()
543 			ret = ici->ops->get_formats(icd, i,  in soc_camera_init_user_formats()
563 	struct soc_camera_host *ici = to_soc_camera_host(icd->parent);  in soc_camera_free_user_formats()  local
565 	if (ici->ops->put_formats)  in soc_camera_free_user_formats()
566 		ici->ops->put_formats(icd);  in soc_camera_free_user_formats()
577 	struct soc_camera_host *ici = to_soc_camera_host(icd->parent);  in soc_camera_set_fmt()  local
589 	ret = ici->ops->set_fmt(icd, f);  in soc_camera_set_fmt()
605 	if (ici->ops->init_videobuf)  in soc_camera_set_fmt()
612 	return ici->ops->set_bus_param(icd);  in soc_camera_set_fmt()
617 	struct soc_camera_host *ici = to_soc_camera_host(icd->parent);  in soc_camera_add_device()  local
620 	if (ici->icd)  in soc_camera_add_device()
624 		ret = soc_camera_clock_start(ici);  in soc_camera_add_device()
629 	if (ici->ops->add) {  in soc_camera_add_device()
630 		ret = ici->ops->add(icd);  in soc_camera_add_device()
635 	ici->icd = icd;  in soc_camera_add_device()
641 		soc_camera_clock_stop(ici);  in soc_camera_add_device()
647 	struct soc_camera_host *ici = to_soc_camera_host(icd->parent);  in soc_camera_remove_device()  local
649 	if (WARN_ON(icd != ici->icd))  in soc_camera_remove_device()
652 	if (ici->ops->remove)  in soc_camera_remove_device()
653 		ici->ops->remove(icd);  in soc_camera_remove_device()
655 		soc_camera_clock_stop(ici);  in soc_camera_remove_device()
656 	ici->icd = NULL;  in soc_camera_remove_device()
663 	struct soc_camera_host *ici;  in soc_camera_open()  local
680 	ici = to_soc_camera_host(icd->parent);  in soc_camera_open()
682 	ret = try_module_get(ici->ops->owner) ? 0 : -ENODEV;  in soc_camera_open()
696 	if (mutex_lock_interruptible(&ici->host_lock)) {  in soc_camera_open()
748 		if (ici->ops->init_videobuf) {  in soc_camera_open()
749 			ici->ops->init_videobuf(&icd->vb_vidq, icd);  in soc_camera_open()
751 			ret = ici->ops->init_videobuf2(&icd->vb2_vidq, icd);  in soc_camera_open()
757 	mutex_unlock(&ici->host_lock);  in soc_camera_open()
777 	mutex_unlock(&ici->host_lock);  in soc_camera_open()
780 	module_put(ici->ops->owner);  in soc_camera_open()
788 	struct soc_camera_host *ici = to_soc_camera_host(icd->parent);  in soc_camera_close()  local
790 	mutex_lock(&ici->host_lock);  in soc_camera_close()
792 		if (ici->ops->init_videobuf2)  in soc_camera_close()
806 	mutex_unlock(&ici->host_lock);  in soc_camera_close()
808 	module_put(ici->ops->owner);  in soc_camera_close()
819 	struct soc_camera_host *ici = to_soc_camera_host(icd->parent);  in soc_camera_read()  local
823 	if (ici->ops->init_videobuf2 && icd->vb2_vidq.io_modes & VB2_READ)  in soc_camera_read()
835 	struct soc_camera_host *ici = to_soc_camera_host(icd->parent);  in soc_camera_mmap()  local
843 	if (mutex_lock_interruptible(&ici->host_lock))  in soc_camera_mmap()
845 	if (ici->ops->init_videobuf)  in soc_camera_mmap()
849 	mutex_unlock(&ici->host_lock);  in soc_camera_mmap()
862 	struct soc_camera_host *ici = to_soc_camera_host(icd->parent);  in soc_camera_poll()  local
868 	mutex_lock(&ici->host_lock);  in soc_camera_poll()
869 	if (ici->ops->init_videobuf && list_empty(&icd->vb_vidq.stream))  in soc_camera_poll()
872 		res = ici->ops->poll(file, pt);  in soc_camera_poll()
873 	mutex_unlock(&ici->host_lock);  in soc_camera_poll()
962 	struct soc_camera_host *ici = to_soc_camera_host(icd->parent);  in soc_camera_querycap()  local
966 	strlcpy(cap->driver, ici->drv_name, sizeof(cap->driver));  in soc_camera_querycap()
967 	return ici->ops->querycap(ici, cap);  in soc_camera_querycap()
974 	struct soc_camera_host *ici = to_soc_camera_host(icd->parent);  in soc_camera_streamon()  local
987 	if (ici->ops->init_videobuf)  in soc_camera_streamon()
1003 	struct soc_camera_host *ici = to_soc_camera_host(icd->parent);  in soc_camera_streamoff()  local
1018 	if (ici->ops->init_videobuf)  in soc_camera_streamoff()
1032 	struct soc_camera_host *ici = to_soc_camera_host(icd->parent);  in soc_camera_cropcap()  local
1034 	return ici->ops->cropcap(icd, a);  in soc_camera_cropcap()
1041 	struct soc_camera_host *ici = to_soc_camera_host(icd->parent);  in soc_camera_g_crop()  local
1044 	ret = ici->ops->get_crop(icd, a);  in soc_camera_g_crop()
1058 	struct soc_camera_host *ici = to_soc_camera_host(icd->parent);  in soc_camera_s_crop()  local
1072 	ret = ici->ops->get_crop(icd, &current_crop);  in soc_camera_s_crop()
1080 		   !is_streaming(ici, icd)) {  in soc_camera_s_crop()
1082 		ret = ici->ops->set_crop(icd, a);  in soc_camera_s_crop()
1083 	} else if (ici->ops->set_livecrop) {  in soc_camera_s_crop()
1084 		ret = ici->ops->set_livecrop(icd, a);  in soc_camera_s_crop()
1098 	struct soc_camera_host *ici = to_soc_camera_host(icd->parent);  in soc_camera_g_selection()  local
1104 	if (!ici->ops->get_selection)  in soc_camera_g_selection()
1107 	return ici->ops->get_selection(icd, s);  in soc_camera_g_selection()
1114 	struct soc_camera_host *ici = to_soc_camera_host(icd->parent);  in soc_camera_s_selection()  local
1125 		if (is_streaming(ici, icd) &&  in soc_camera_s_selection()
1138 	if (!ici->ops->set_selection)  in soc_camera_s_selection()
1141 	ret = ici->ops->set_selection(icd, s);  in soc_camera_s_selection()
1157 	struct soc_camera_host *ici = to_soc_camera_host(icd->parent);  in soc_camera_g_parm()  local
1159 	if (ici->ops->get_parm)  in soc_camera_g_parm()
1160 		return ici->ops->get_parm(icd, a);  in soc_camera_g_parm()
1169 	struct soc_camera_host *ici = to_soc_camera_host(icd->parent);  in soc_camera_s_parm()  local
1171 	if (ici->ops->set_parm)  in soc_camera_s_parm()
1172 		return ici->ops->set_parm(icd, a);  in soc_camera_s_parm()
1177 static int soc_camera_probe(struct soc_camera_host *ici,
1181 static void scan_add_host(struct soc_camera_host *ici)  in scan_add_host()  argument
1188 		if (icd->iface == ici->nr) {  in scan_add_host()
1197 			icd->parent = ici->v4l2_dev.dev;  in scan_add_host()
1200 			soc_camera_probe(ici, icd);  in scan_add_host()
1213 	struct soc_camera_host *ici;  in soc_camera_clk_enable()  local
1218 	ici = to_soc_camera_host(icd->parent);  in soc_camera_clk_enable()
1220 	if (!try_module_get(ici->ops->owner))  in soc_camera_clk_enable()
1227 	return soc_camera_clock_start(ici);  in soc_camera_clk_enable()
1233 	struct soc_camera_host *ici;  in soc_camera_clk_disable()  local
1238 	ici = to_soc_camera_host(icd->parent);  in soc_camera_clk_disable()
1240 	soc_camera_clock_stop(ici);  in soc_camera_clk_disable()
1242 	module_put(ici->ops->owner);  in soc_camera_clk_disable()
1359 	struct soc_camera_host *ici;  in soc_camera_i2c_init()  local
1372 	ici = to_soc_camera_host(icd->parent);  in soc_camera_i2c_init()
1403 	subdev = v4l2_i2c_new_subdev_board(&ici->v4l2_dev, adap,  in soc_camera_i2c_init()
1509 		struct soc_camera_host *ici = to_soc_camera_host(icd->parent);  in soc_camera_async_complete()  local
1513 		ret = soc_camera_probe(ici, icd);  in soc_camera_async_complete()
1522 static int scan_async_group(struct soc_camera_host *ici,  in scan_async_group()  argument
1528 	struct soc_camera_desc sdesc = {.host_desc.bus_id = ici->nr,};  in scan_async_group()
1542 		dev_err(ici->v4l2_dev.dev, "No I2C data source found!\n");  in scan_async_group()
1547 	sasc = devm_kzalloc(ici->v4l2_dev.dev, sizeof(*sasc), GFP_KERNEL);  in scan_async_group()
1573 	icd->parent = ici->v4l2_dev.dev;  in scan_async_group()
1584 	ret = v4l2_async_notifier_register(&ici->v4l2_dev, &sasc->notifier);  in scan_async_group()
1595 	devm_kfree(ici->v4l2_dev.dev, sasc);  in scan_async_group()
1596 	dev_err(ici->v4l2_dev.dev, "group probe failed: %d\n", ret);  in scan_async_group()
1601 static void scan_async_host(struct soc_camera_host *ici)  in scan_async_host()  argument
1606 	for (j = 0, asd = ici->asd; ici->asd_sizes[j]; j++) {  in scan_async_host()
1607 		scan_async_group(ici, asd, ici->asd_sizes[j]);  in scan_async_host()
1608 		asd += ici->asd_sizes[j];  in scan_async_host()
1614 #define scan_async_host(ici)		do {} while (0)  argument
1625 static int soc_of_bind(struct soc_camera_host *ici,  in soc_of_bind()  argument
1630 	struct soc_camera_desc sdesc = {.host_desc.bus_id = ici->nr,};  in soc_of_bind()
1638 	info = devm_kzalloc(ici->v4l2_dev.dev, sizeof(struct soc_of_info),  in soc_of_bind()
1672 	icd->parent = ici->v4l2_dev.dev;  in soc_of_bind()
1689 	ret = v4l2_async_notifier_register(&ici->v4l2_dev, &sasc->notifier);  in soc_of_bind()
1700 	devm_kfree(ici->v4l2_dev.dev, info);  in soc_of_bind()
1701 	dev_err(ici->v4l2_dev.dev, "group probe failed: %d\n", ret);  in soc_of_bind()
1706 static void scan_of_host(struct soc_camera_host *ici)  in scan_of_host()  argument
1708 	struct device *dev = ici->v4l2_dev.dev;  in scan_of_host()
1727 			soc_of_bind(ici, epn, ren->parent);  in scan_of_host()
1741 static inline void scan_of_host(struct soc_camera_host *ici) { }  in scan_of_host()  argument
1745 static int soc_camera_probe(struct soc_camera_host *ici,  in soc_camera_probe()  argument
1786 		ret = soc_camera_clock_start(ici);  in soc_camera_probe()
1810 	mutex_lock(&ici->host_lock);  in soc_camera_probe()
1812 	mutex_unlock(&ici->host_lock);  in soc_camera_probe()
1826 		soc_camera_clock_stop(ici);  in soc_camera_probe()
1951 int soc_camera_host_register(struct soc_camera_host *ici)  in soc_camera_host_register()  argument
1956 	if (!ici || !ici->ops ||  in soc_camera_host_register()
1957 	    !ici->ops->try_fmt ||  in soc_camera_host_register()
1958 	    !ici->ops->set_fmt ||  in soc_camera_host_register()
1959 	    !ici->ops->set_bus_param ||  in soc_camera_host_register()
1960 	    !ici->ops->querycap ||  in soc_camera_host_register()
1961 	    ((!ici->ops->init_videobuf ||  in soc_camera_host_register()
1962 	      !ici->ops->reqbufs) &&  in soc_camera_host_register()
1963 	     !ici->ops->init_videobuf2) ||  in soc_camera_host_register()
1964 	    !ici->ops->poll ||  in soc_camera_host_register()
1965 	    !ici->v4l2_dev.dev)  in soc_camera_host_register()
1968 	if (!ici->ops->set_crop)  in soc_camera_host_register()
1969 		ici->ops->set_crop = default_s_crop;  in soc_camera_host_register()
1970 	if (!ici->ops->get_crop)  in soc_camera_host_register()
1971 		ici->ops->get_crop = default_g_crop;  in soc_camera_host_register()
1972 	if (!ici->ops->cropcap)  in soc_camera_host_register()
1973 		ici->ops->cropcap = default_cropcap;  in soc_camera_host_register()
1974 	if (!ici->ops->set_parm)  in soc_camera_host_register()
1975 		ici->ops->set_parm = default_s_parm;  in soc_camera_host_register()
1976 	if (!ici->ops->get_parm)  in soc_camera_host_register()
1977 		ici->ops->get_parm = default_g_parm;  in soc_camera_host_register()
1978 	if (!ici->ops->enum_framesizes)  in soc_camera_host_register()
1979 		ici->ops->enum_framesizes = default_enum_framesizes;  in soc_camera_host_register()
1983 		if (ix->nr == ici->nr) {  in soc_camera_host_register()
1989 	ret = v4l2_device_register(ici->v4l2_dev.dev, &ici->v4l2_dev);  in soc_camera_host_register()
1993 	list_add_tail(&ici->list, &hosts);  in soc_camera_host_register()
1996 	mutex_init(&ici->host_lock);  in soc_camera_host_register()
1997 	mutex_init(&ici->clk_lock);  in soc_camera_host_register()
1999 	if (ici->v4l2_dev.dev->of_node)  in soc_camera_host_register()
2000 		scan_of_host(ici);  in soc_camera_host_register()
2001 	else if (ici->asd_sizes)  in soc_camera_host_register()
2007 		scan_async_host(ici);  in soc_camera_host_register()
2010 		scan_add_host(ici);  in soc_camera_host_register()
2021 void soc_camera_host_unregister(struct soc_camera_host *ici)  in soc_camera_host_unregister()  argument
2028 	list_del(&ici->list);  in soc_camera_host_unregister()
2030 		if (icd->iface == ici->nr && icd->sasc) {  in soc_camera_host_unregister()
2046 		if (icd->iface == ici->nr)  in soc_camera_host_unregister()
2051 	v4l2_device_unregister(&ici->v4l2_dev);  in soc_camera_host_unregister()
2137 	struct soc_camera_host *ici = to_soc_camera_host(icd->parent);  in video_dev_create()  local
2143 	strlcpy(vdev->name, ici->drv_name, sizeof(vdev->name));  in video_dev_create()
2145 	vdev->v4l2_dev		= &ici->v4l2_dev;  in video_dev_create()
2150 	vdev->lock		= &ici->host_lock;  in video_dev_create()