175 static int soc_camera_clock_start(struct soc_camera_host *ici)  in soc_camera_clock_start()  argument
179 	if (!ici->ops->clock_start)  in soc_camera_clock_start()
182 	mutex_lock(&ici->clk_lock);  in soc_camera_clock_start()
183 	ret = ici->ops->clock_start(ici);  in soc_camera_clock_start()
184 	mutex_unlock(&ici->clk_lock);  in soc_camera_clock_start()
189 static void soc_camera_clock_stop(struct soc_camera_host *ici)  in soc_camera_clock_stop()  argument
191 	if (!ici->ops->clock_stop)  in soc_camera_clock_stop()
194 	mutex_lock(&ici->clk_lock);  in soc_camera_clock_stop()
195 	ici->ops->clock_stop(ici);  in soc_camera_clock_stop()
196 	mutex_unlock(&ici->clk_lock);  in soc_camera_clock_stop()
251 	struct soc_camera_host *ici = to_soc_camera_host(icd->parent);  in soc_camera_try_fmt()  local
260 	    !(ici->capabilities & SOCAM_HOST_CAP_STRIDE)) {  in soc_camera_try_fmt()
265 	ret = ici->ops->try_fmt(icd, f);  in soc_camera_try_fmt()
355 	struct soc_camera_host *ici = to_soc_camera_host(icd->parent);  in soc_camera_enum_framesizes()  local
357 	return ici->ops->enum_framesizes(icd, fsize);  in soc_camera_enum_framesizes()
450 	struct soc_camera_host *ici = to_soc_camera_host(icd->parent);  in soc_camera_init_user_formats()  local
462 	if (!ici->ops->get_formats)  in soc_camera_init_user_formats()
474 			ret = ici->ops->get_formats(icd, i, NULL);  in soc_camera_init_user_formats()
494 		if (!ici->ops->get_formats) {  in soc_camera_init_user_formats()
502 			ret = ici->ops->get_formats(icd, i,  in soc_camera_init_user_formats()
522 	struct soc_camera_host *ici = to_soc_camera_host(icd->parent);  in soc_camera_free_user_formats()  local
524 	if (ici->ops->put_formats)  in soc_camera_free_user_formats()
525 		ici->ops->put_formats(icd);  in soc_camera_free_user_formats()
536 	struct soc_camera_host *ici = to_soc_camera_host(icd->parent);  in soc_camera_set_fmt()  local
548 	ret = ici->ops->set_fmt(icd, f);  in soc_camera_set_fmt()
569 	return ici->ops->set_bus_param(icd);  in soc_camera_set_fmt()
574 	struct soc_camera_host *ici = to_soc_camera_host(icd->parent);  in soc_camera_add_device()  local
577 	if (ici->icd)  in soc_camera_add_device()
581 		ret = soc_camera_clock_start(ici);  in soc_camera_add_device()
586 	if (ici->ops->add) {  in soc_camera_add_device()
587 		ret = ici->ops->add(icd);  in soc_camera_add_device()
592 	ici->icd = icd;  in soc_camera_add_device()
598 		soc_camera_clock_stop(ici);  in soc_camera_add_device()
604 	struct soc_camera_host *ici = to_soc_camera_host(icd->parent);  in soc_camera_remove_device()  local
606 	if (WARN_ON(icd != ici->icd))  in soc_camera_remove_device()
609 	if (ici->ops->remove)  in soc_camera_remove_device()
610 		ici->ops->remove(icd);  in soc_camera_remove_device()
612 		soc_camera_clock_stop(ici);  in soc_camera_remove_device()
613 	ici->icd = NULL;  in soc_camera_remove_device()
620 	struct soc_camera_host *ici;  in soc_camera_open()  local
637 	ici = to_soc_camera_host(icd->parent);  in soc_camera_open()
639 	ret = try_module_get(ici->ops->owner) ? 0 : -ENODEV;  in soc_camera_open()
653 	if (mutex_lock_interruptible(&ici->host_lock)) {  in soc_camera_open()
705 		ret = ici->ops->init_videobuf2(&icd->vb2_vidq, icd);  in soc_camera_open()
710 	mutex_unlock(&ici->host_lock);  in soc_camera_open()
730 	mutex_unlock(&ici->host_lock);  in soc_camera_open()
733 	module_put(ici->ops->owner);  in soc_camera_open()
741 	struct soc_camera_host *ici = to_soc_camera_host(icd->parent);  in soc_camera_close()  local
743 	mutex_lock(&ici->host_lock);  in soc_camera_close()
745 		if (ici->ops->init_videobuf2)  in soc_camera_close()
759 	mutex_unlock(&ici->host_lock);  in soc_camera_close()
761 	module_put(ici->ops->owner);  in soc_camera_close()
772 	struct soc_camera_host *ici = to_soc_camera_host(icd->parent);  in soc_camera_read()  local
776 	if (ici->ops->init_videobuf2 && icd->vb2_vidq.io_modes & VB2_READ)  in soc_camera_read()
788 	struct soc_camera_host *ici = to_soc_camera_host(icd->parent);  in soc_camera_mmap()  local
796 	if (mutex_lock_interruptible(&ici->host_lock))  in soc_camera_mmap()
799 	mutex_unlock(&ici->host_lock);  in soc_camera_mmap()
812 	struct soc_camera_host *ici = to_soc_camera_host(icd->parent);  in soc_camera_poll()  local
818 	mutex_lock(&ici->host_lock);  in soc_camera_poll()
819 	res = ici->ops->poll(file, pt);  in soc_camera_poll()
820 	mutex_unlock(&ici->host_lock);  in soc_camera_poll()
909 	struct soc_camera_host *ici = to_soc_camera_host(icd->parent);  in soc_camera_querycap()  local
913 	strlcpy(cap->driver, ici->drv_name, sizeof(cap->driver));  in soc_camera_querycap()
914 	return ici->ops->querycap(ici, cap);  in soc_camera_querycap()
970 	struct soc_camera_host *ici = to_soc_camera_host(icd->parent);  in soc_camera_g_selection()  local
976 	return ici->ops->get_selection(icd, s);  in soc_camera_g_selection()
983 	struct soc_camera_host *ici = to_soc_camera_host(icd->parent);  in soc_camera_s_selection()  local
1009 	    ici->ops->set_liveselection)  in soc_camera_s_selection()
1010 		ret = ici->ops->set_liveselection(icd, s);  in soc_camera_s_selection()
1012 		ret = ici->ops->set_selection(icd, s);  in soc_camera_s_selection()
1028 	struct soc_camera_host *ici = to_soc_camera_host(icd->parent);  in soc_camera_g_parm()  local
1030 	if (ici->ops->get_parm)  in soc_camera_g_parm()
1031 		return ici->ops->get_parm(icd, a);  in soc_camera_g_parm()
1040 	struct soc_camera_host *ici = to_soc_camera_host(icd->parent);  in soc_camera_s_parm()  local
1042 	if (ici->ops->set_parm)  in soc_camera_s_parm()
1043 		return ici->ops->set_parm(icd, a);  in soc_camera_s_parm()
1048 static int soc_camera_probe(struct soc_camera_host *ici,
1052 static void scan_add_host(struct soc_camera_host *ici)  in scan_add_host()  argument
1059 		if (icd->iface == ici->nr) {  in scan_add_host()
1068 			icd->parent = ici->v4l2_dev.dev;  in scan_add_host()
1071 			soc_camera_probe(ici, icd);  in scan_add_host()
1084 	struct soc_camera_host *ici;  in soc_camera_clk_enable()  local
1089 	ici = to_soc_camera_host(icd->parent);  in soc_camera_clk_enable()
1091 	if (!try_module_get(ici->ops->owner))  in soc_camera_clk_enable()
1098 	return soc_camera_clock_start(ici);  in soc_camera_clk_enable()
1104 	struct soc_camera_host *ici;  in soc_camera_clk_disable()  local
1109 	ici = to_soc_camera_host(icd->parent);  in soc_camera_clk_disable()
1111 	soc_camera_clock_stop(ici);  in soc_camera_clk_disable()
1113 	module_put(ici->ops->owner);  in soc_camera_clk_disable()
1230 	struct soc_camera_host *ici;  in soc_camera_i2c_init()  local
1243 	ici = to_soc_camera_host(icd->parent);  in soc_camera_i2c_init()
1274 	subdev = v4l2_i2c_new_subdev_board(&ici->v4l2_dev, adap,  in soc_camera_i2c_init()
1382 		struct soc_camera_host *ici = to_soc_camera_host(icd->parent);  in soc_camera_async_complete()  local
1386 		ret = soc_camera_probe(ici, icd);  in soc_camera_async_complete()
1401 static int scan_async_group(struct soc_camera_host *ici,  in scan_async_group()  argument
1407 	struct soc_camera_desc sdesc = {.host_desc.bus_id = ici->nr,};  in scan_async_group()
1421 		dev_err(ici->v4l2_dev.dev, "No I2C data source found!\n");  in scan_async_group()
1426 	sasc = devm_kzalloc(ici->v4l2_dev.dev, sizeof(*sasc), GFP_KERNEL);  in scan_async_group()
1450 	icd->parent = ici->v4l2_dev.dev;  in scan_async_group()
1462 	ret = v4l2_async_notifier_register(&ici->v4l2_dev, &sasc->notifier);  in scan_async_group()
1473 	devm_kfree(ici->v4l2_dev.dev, sasc);  in scan_async_group()
1474 	dev_err(ici->v4l2_dev.dev, "group probe failed: %d\n", ret);  in scan_async_group()
1479 static void scan_async_host(struct soc_camera_host *ici)  in scan_async_host()  argument
1484 	for (j = 0, asd = ici->asd; ici->asd_sizes[j]; j++) {  in scan_async_host()
1485 		scan_async_group(ici, asd, ici->asd_sizes[j]);  in scan_async_host()
1486 		asd += ici->asd_sizes[j];  in scan_async_host()
1492 #define scan_async_host(ici)		do {} while (0)  argument
1503 static int soc_of_bind(struct soc_camera_host *ici,  in soc_of_bind()  argument
1508 	struct soc_camera_desc sdesc = {.host_desc.bus_id = ici->nr,};  in soc_of_bind()
1516 	info = devm_kzalloc(ici->v4l2_dev.dev, sizeof(struct soc_of_info),  in soc_of_bind()
1548 	icd->parent = ici->v4l2_dev.dev;  in soc_of_bind()
1564 	ret = v4l2_async_notifier_register(&ici->v4l2_dev, &sasc->notifier);  in soc_of_bind()
1575 	devm_kfree(ici->v4l2_dev.dev, info);  in soc_of_bind()
1576 	dev_err(ici->v4l2_dev.dev, "group probe failed: %d\n", ret);  in soc_of_bind()
1581 static void scan_of_host(struct soc_camera_host *ici)  in scan_of_host()  argument
1583 	struct device *dev = ici->v4l2_dev.dev;  in scan_of_host()
1601 			soc_of_bind(ici, epn, ren->parent);  in scan_of_host()
1615 static inline void scan_of_host(struct soc_camera_host *ici) { }  in scan_of_host()  argument
1619 static int soc_camera_probe(struct soc_camera_host *ici,  in soc_camera_probe()  argument
1660 		ret = soc_camera_clock_start(ici);  in soc_camera_probe()
1684 	mutex_lock(&ici->host_lock);  in soc_camera_probe()
1686 	mutex_unlock(&ici->host_lock);  in soc_camera_probe()
1700 		soc_camera_clock_stop(ici);  in soc_camera_probe()
1844 int soc_camera_host_register(struct soc_camera_host *ici)  in soc_camera_host_register()  argument
1849 	if (!ici || !ici->ops ||  in soc_camera_host_register()
1850 	    !ici->ops->try_fmt ||  in soc_camera_host_register()
1851 	    !ici->ops->set_fmt ||  in soc_camera_host_register()
1852 	    !ici->ops->set_bus_param ||  in soc_camera_host_register()
1853 	    !ici->ops->querycap ||  in soc_camera_host_register()
1854 	    !ici->ops->init_videobuf2 ||  in soc_camera_host_register()
1855 	    !ici->ops->poll ||  in soc_camera_host_register()
1856 	    !ici->v4l2_dev.dev)  in soc_camera_host_register()
1859 	if (!ici->ops->set_selection)  in soc_camera_host_register()
1860 		ici->ops->set_selection = default_s_selection;  in soc_camera_host_register()
1861 	if (!ici->ops->get_selection)  in soc_camera_host_register()
1862 		ici->ops->get_selection = default_g_selection;  in soc_camera_host_register()
1863 	if (!ici->ops->set_parm)  in soc_camera_host_register()
1864 		ici->ops->set_parm = default_s_parm;  in soc_camera_host_register()
1865 	if (!ici->ops->get_parm)  in soc_camera_host_register()
1866 		ici->ops->get_parm = default_g_parm;  in soc_camera_host_register()
1867 	if (!ici->ops->enum_framesizes)  in soc_camera_host_register()
1868 		ici->ops->enum_framesizes = default_enum_framesizes;  in soc_camera_host_register()
1872 		if (ix->nr == ici->nr) {  in soc_camera_host_register()
1878 	ret = v4l2_device_register(ici->v4l2_dev.dev, &ici->v4l2_dev);  in soc_camera_host_register()
1882 	list_add_tail(&ici->list, &hosts);  in soc_camera_host_register()
1885 	mutex_init(&ici->host_lock);  in soc_camera_host_register()
1886 	mutex_init(&ici->clk_lock);  in soc_camera_host_register()
1888 	if (ici->v4l2_dev.dev->of_node)  in soc_camera_host_register()
1889 		scan_of_host(ici);  in soc_camera_host_register()
1890 	else if (ici->asd_sizes)  in soc_camera_host_register()
1896 		scan_async_host(ici);  in soc_camera_host_register()
1899 		scan_add_host(ici);  in soc_camera_host_register()
1910 void soc_camera_host_unregister(struct soc_camera_host *ici)  in soc_camera_host_unregister()  argument
1917 	list_del(&ici->list);  in soc_camera_host_unregister()
1919 		if (icd->iface == ici->nr && icd->sasc) {  in soc_camera_host_unregister()
1935 		if (icd->iface == ici->nr)  in soc_camera_host_unregister()
1940 	v4l2_device_unregister(&ici->v4l2_dev);  in soc_camera_host_unregister()
2023 	struct soc_camera_host *ici = to_soc_camera_host(icd->parent);  in video_dev_create()  local
2029 	strlcpy(vdev->name, ici->drv_name, sizeof(vdev->name));  in video_dev_create()
2031 	vdev->v4l2_dev		= &ici->v4l2_dev;  in video_dev_create()
2036 	vdev->lock		= &ici->host_lock;  in video_dev_create()