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()
357 	struct soc_camera_host *ici = to_soc_camera_host(icd->parent);  in soc_camera_enum_framesizes()  local
359 	return ici->ops->enum_framesizes(icd, fsize);  in soc_camera_enum_framesizes()
367 	struct soc_camera_host *ici = to_soc_camera_host(icd->parent);  in soc_camera_reqbufs()  local
374 	if (ici->ops->init_videobuf) {  in soc_camera_reqbufs()
379 		ret = ici->ops->reqbufs(icd, p);  in soc_camera_reqbufs()
394 	struct soc_camera_host *ici = to_soc_camera_host(icd->parent);  in soc_camera_querybuf()  local
398 	if (ici->ops->init_videobuf)  in soc_camera_querybuf()
408 	struct soc_camera_host *ici = to_soc_camera_host(icd->parent);  in soc_camera_qbuf()  local
415 	if (ici->ops->init_videobuf)  in soc_camera_qbuf()
425 	struct soc_camera_host *ici = to_soc_camera_host(icd->parent);  in soc_camera_dqbuf()  local
432 	if (ici->ops->init_videobuf)  in soc_camera_dqbuf()
442 	struct soc_camera_host *ici = to_soc_camera_host(icd->parent);  in soc_camera_create_bufs()  local
445 	if (ici->ops->init_videobuf)  in soc_camera_create_bufs()
455 	struct soc_camera_host *ici = to_soc_camera_host(icd->parent);  in soc_camera_prepare_buf()  local
458 	if (ici->ops->init_videobuf)  in soc_camera_prepare_buf()
468 	struct soc_camera_host *ici = to_soc_camera_host(icd->parent);  in soc_camera_expbuf()  local
474 	if (ici->ops->init_videobuf)  in soc_camera_expbuf()
484 	struct soc_camera_host *ici = to_soc_camera_host(icd->parent);  in soc_camera_init_user_formats()  local
492 	if (!ici->ops->get_formats)  in soc_camera_init_user_formats()
504 			ret = ici->ops->get_formats(icd, i, NULL);  in soc_camera_init_user_formats()
523 		if (!ici->ops->get_formats) {  in soc_camera_init_user_formats()
530 			ret = ici->ops->get_formats(icd, i,  in soc_camera_init_user_formats()
550 	struct soc_camera_host *ici = to_soc_camera_host(icd->parent);  in soc_camera_free_user_formats()  local
552 	if (ici->ops->put_formats)  in soc_camera_free_user_formats()
553 		ici->ops->put_formats(icd);  in soc_camera_free_user_formats()
564 	struct soc_camera_host *ici = to_soc_camera_host(icd->parent);  in soc_camera_set_fmt()  local
576 	ret = ici->ops->set_fmt(icd, f);  in soc_camera_set_fmt()
592 	if (ici->ops->init_videobuf)  in soc_camera_set_fmt()
599 	return ici->ops->set_bus_param(icd);  in soc_camera_set_fmt()
604 	struct soc_camera_host *ici = to_soc_camera_host(icd->parent);  in soc_camera_add_device()  local
607 	if (ici->icd)  in soc_camera_add_device()
611 		ret = soc_camera_clock_start(ici);  in soc_camera_add_device()
616 	if (ici->ops->add) {  in soc_camera_add_device()
617 		ret = ici->ops->add(icd);  in soc_camera_add_device()
622 	ici->icd = icd;  in soc_camera_add_device()
628 		soc_camera_clock_stop(ici);  in soc_camera_add_device()
634 	struct soc_camera_host *ici = to_soc_camera_host(icd->parent);  in soc_camera_remove_device()  local
636 	if (WARN_ON(icd != ici->icd))  in soc_camera_remove_device()
639 	if (ici->ops->remove)  in soc_camera_remove_device()
640 		ici->ops->remove(icd);  in soc_camera_remove_device()
642 		soc_camera_clock_stop(ici);  in soc_camera_remove_device()
643 	ici->icd = NULL;  in soc_camera_remove_device()
650 	struct soc_camera_host *ici;  in soc_camera_open()  local
667 	ici = to_soc_camera_host(icd->parent);  in soc_camera_open()
669 	ret = try_module_get(ici->ops->owner) ? 0 : -ENODEV;  in soc_camera_open()
683 	if (mutex_lock_interruptible(&ici->host_lock)) {  in soc_camera_open()
735 		if (ici->ops->init_videobuf) {  in soc_camera_open()
736 			ici->ops->init_videobuf(&icd->vb_vidq, icd);  in soc_camera_open()
738 			ret = ici->ops->init_videobuf2(&icd->vb2_vidq, icd);  in soc_camera_open()
744 	mutex_unlock(&ici->host_lock);  in soc_camera_open()
764 	mutex_unlock(&ici->host_lock);  in soc_camera_open()
767 	module_put(ici->ops->owner);  in soc_camera_open()
775 	struct soc_camera_host *ici = to_soc_camera_host(icd->parent);  in soc_camera_close()  local
777 	mutex_lock(&ici->host_lock);  in soc_camera_close()
783 		if (ici->ops->init_videobuf2)  in soc_camera_close()
792 	mutex_unlock(&ici->host_lock);  in soc_camera_close()
794 	module_put(ici->ops->owner);  in soc_camera_close()
805 	struct soc_camera_host *ici = to_soc_camera_host(icd->parent);  in soc_camera_read()  local
809 	if (ici->ops->init_videobuf2 && icd->vb2_vidq.io_modes & VB2_READ)  in soc_camera_read()
821 	struct soc_camera_host *ici = to_soc_camera_host(icd->parent);  in soc_camera_mmap()  local
829 	if (mutex_lock_interruptible(&ici->host_lock))  in soc_camera_mmap()
831 	if (ici->ops->init_videobuf)  in soc_camera_mmap()
835 	mutex_unlock(&ici->host_lock);  in soc_camera_mmap()
848 	struct soc_camera_host *ici = to_soc_camera_host(icd->parent);  in soc_camera_poll()  local
854 	mutex_lock(&ici->host_lock);  in soc_camera_poll()
855 	if (ici->ops->init_videobuf && list_empty(&icd->vb_vidq.stream))  in soc_camera_poll()
858 		res = ici->ops->poll(file, pt);  in soc_camera_poll()
859 	mutex_unlock(&ici->host_lock);  in soc_camera_poll()
948 	struct soc_camera_host *ici = to_soc_camera_host(icd->parent);  in soc_camera_querycap()  local
952 	strlcpy(cap->driver, ici->drv_name, sizeof(cap->driver));  in soc_camera_querycap()
953 	return ici->ops->querycap(ici, cap);  in soc_camera_querycap()
960 	struct soc_camera_host *ici = to_soc_camera_host(icd->parent);  in soc_camera_streamon()  local
973 	if (ici->ops->init_videobuf)  in soc_camera_streamon()
989 	struct soc_camera_host *ici = to_soc_camera_host(icd->parent);  in soc_camera_streamoff()  local
1003 	if (ici->ops->init_videobuf)  in soc_camera_streamoff()
1017 	struct soc_camera_host *ici = to_soc_camera_host(icd->parent);  in soc_camera_cropcap()  local
1019 	return ici->ops->cropcap(icd, a);  in soc_camera_cropcap()
1026 	struct soc_camera_host *ici = to_soc_camera_host(icd->parent);  in soc_camera_g_crop()  local
1029 	ret = ici->ops->get_crop(icd, a);  in soc_camera_g_crop()
1043 	struct soc_camera_host *ici = to_soc_camera_host(icd->parent);  in soc_camera_s_crop()  local
1057 	ret = ici->ops->get_crop(icd, &current_crop);  in soc_camera_s_crop()
1065 		   !is_streaming(ici, icd)) {  in soc_camera_s_crop()
1067 		ret = ici->ops->set_crop(icd, a);  in soc_camera_s_crop()
1068 	} else if (ici->ops->set_livecrop) {  in soc_camera_s_crop()
1069 		ret = ici->ops->set_livecrop(icd, a);  in soc_camera_s_crop()
1083 	struct soc_camera_host *ici = to_soc_camera_host(icd->parent);  in soc_camera_g_selection()  local
1089 	if (!ici->ops->get_selection)  in soc_camera_g_selection()
1092 	return ici->ops->get_selection(icd, s);  in soc_camera_g_selection()
1099 	struct soc_camera_host *ici = to_soc_camera_host(icd->parent);  in soc_camera_s_selection()  local
1110 		if (is_streaming(ici, icd) &&  in soc_camera_s_selection()
1123 	if (!ici->ops->set_selection)  in soc_camera_s_selection()
1126 	ret = ici->ops->set_selection(icd, s);  in soc_camera_s_selection()
1142 	struct soc_camera_host *ici = to_soc_camera_host(icd->parent);  in soc_camera_g_parm()  local
1144 	if (ici->ops->get_parm)  in soc_camera_g_parm()
1145 		return ici->ops->get_parm(icd, a);  in soc_camera_g_parm()
1154 	struct soc_camera_host *ici = to_soc_camera_host(icd->parent);  in soc_camera_s_parm()  local
1156 	if (ici->ops->set_parm)  in soc_camera_s_parm()
1157 		return ici->ops->set_parm(icd, a);  in soc_camera_s_parm()
1162 static int soc_camera_probe(struct soc_camera_host *ici,
1166 static void scan_add_host(struct soc_camera_host *ici)  in scan_add_host()  argument
1173 		if (icd->iface == ici->nr) {  in scan_add_host()
1182 			icd->parent = ici->v4l2_dev.dev;  in scan_add_host()
1185 			soc_camera_probe(ici, icd);  in scan_add_host()
1198 	struct soc_camera_host *ici;  in soc_camera_clk_enable()  local
1203 	ici = to_soc_camera_host(icd->parent);  in soc_camera_clk_enable()
1205 	if (!try_module_get(ici->ops->owner))  in soc_camera_clk_enable()
1212 	return soc_camera_clock_start(ici);  in soc_camera_clk_enable()
1218 	struct soc_camera_host *ici;  in soc_camera_clk_disable()  local
1223 	ici = to_soc_camera_host(icd->parent);  in soc_camera_clk_disable()
1225 	soc_camera_clock_stop(ici);  in soc_camera_clk_disable()
1227 	module_put(ici->ops->owner);  in soc_camera_clk_disable()
1341 	struct soc_camera_host *ici;  in soc_camera_i2c_init()  local
1354 	ici = to_soc_camera_host(icd->parent);  in soc_camera_i2c_init()
1385 	subdev = v4l2_i2c_new_subdev_board(&ici->v4l2_dev, adap,  in soc_camera_i2c_init()
1491 		struct soc_camera_host *ici = to_soc_camera_host(icd->parent);  in soc_camera_async_complete()  local
1495 		ret = soc_camera_probe(ici, icd);  in soc_camera_async_complete()
1504 static int scan_async_group(struct soc_camera_host *ici,  in scan_async_group()  argument
1510 	struct soc_camera_desc sdesc = {.host_desc.bus_id = ici->nr,};  in scan_async_group()
1524 		dev_err(ici->v4l2_dev.dev, "No I2C data source found!\n");  in scan_async_group()
1529 	sasc = devm_kzalloc(ici->v4l2_dev.dev, sizeof(*sasc), GFP_KERNEL);  in scan_async_group()
1555 	icd->parent = ici->v4l2_dev.dev;  in scan_async_group()
1566 	ret = v4l2_async_notifier_register(&ici->v4l2_dev, &sasc->notifier);  in scan_async_group()
1577 	devm_kfree(ici->v4l2_dev.dev, sasc);  in scan_async_group()
1578 	dev_err(ici->v4l2_dev.dev, "group probe failed: %d\n", ret);  in scan_async_group()
1583 static void scan_async_host(struct soc_camera_host *ici)  in scan_async_host()  argument
1588 	for (j = 0, asd = ici->asd; ici->asd_sizes[j]; j++) {  in scan_async_host()
1589 		scan_async_group(ici, asd, ici->asd_sizes[j]);  in scan_async_host()
1590 		asd += ici->asd_sizes[j];  in scan_async_host()
1596 #define scan_async_host(ici)		do {} while (0)  argument
1607 static int soc_of_bind(struct soc_camera_host *ici,  in soc_of_bind()  argument
1612 	struct soc_camera_desc sdesc = {.host_desc.bus_id = ici->nr,};  in soc_of_bind()
1620 	info = devm_kzalloc(ici->v4l2_dev.dev, sizeof(struct soc_of_info),  in soc_of_bind()
1654 	icd->parent = ici->v4l2_dev.dev;  in soc_of_bind()
1671 	ret = v4l2_async_notifier_register(&ici->v4l2_dev, &sasc->notifier);  in soc_of_bind()
1682 	devm_kfree(ici->v4l2_dev.dev, info);  in soc_of_bind()
1683 	dev_err(ici->v4l2_dev.dev, "group probe failed: %d\n", ret);  in soc_of_bind()
1688 static void scan_of_host(struct soc_camera_host *ici)  in scan_of_host()  argument
1690 	struct device *dev = ici->v4l2_dev.dev;  in scan_of_host()
1709 			soc_of_bind(ici, epn, ren->parent);  in scan_of_host()
1723 static inline void scan_of_host(struct soc_camera_host *ici) { }  in scan_of_host()  argument
1727 static int soc_camera_probe(struct soc_camera_host *ici,  in soc_camera_probe()  argument
1768 		ret = soc_camera_clock_start(ici);  in soc_camera_probe()
1792 	mutex_lock(&ici->host_lock);  in soc_camera_probe()
1794 	mutex_unlock(&ici->host_lock);  in soc_camera_probe()
1808 		soc_camera_clock_stop(ici);  in soc_camera_probe()
1933 int soc_camera_host_register(struct soc_camera_host *ici)  in soc_camera_host_register()  argument
1938 	if (!ici || !ici->ops ||  in soc_camera_host_register()
1939 	    !ici->ops->try_fmt ||  in soc_camera_host_register()
1940 	    !ici->ops->set_fmt ||  in soc_camera_host_register()
1941 	    !ici->ops->set_bus_param ||  in soc_camera_host_register()
1942 	    !ici->ops->querycap ||  in soc_camera_host_register()
1943 	    ((!ici->ops->init_videobuf ||  in soc_camera_host_register()
1944 	      !ici->ops->reqbufs) &&  in soc_camera_host_register()
1945 	     !ici->ops->init_videobuf2) ||  in soc_camera_host_register()
1946 	    !ici->ops->poll ||  in soc_camera_host_register()
1947 	    !ici->v4l2_dev.dev)  in soc_camera_host_register()
1950 	if (!ici->ops->set_crop)  in soc_camera_host_register()
1951 		ici->ops->set_crop = default_s_crop;  in soc_camera_host_register()
1952 	if (!ici->ops->get_crop)  in soc_camera_host_register()
1953 		ici->ops->get_crop = default_g_crop;  in soc_camera_host_register()
1954 	if (!ici->ops->cropcap)  in soc_camera_host_register()
1955 		ici->ops->cropcap = default_cropcap;  in soc_camera_host_register()
1956 	if (!ici->ops->set_parm)  in soc_camera_host_register()
1957 		ici->ops->set_parm = default_s_parm;  in soc_camera_host_register()
1958 	if (!ici->ops->get_parm)  in soc_camera_host_register()
1959 		ici->ops->get_parm = default_g_parm;  in soc_camera_host_register()
1960 	if (!ici->ops->enum_framesizes)  in soc_camera_host_register()
1961 		ici->ops->enum_framesizes = default_enum_framesizes;  in soc_camera_host_register()
1965 		if (ix->nr == ici->nr) {  in soc_camera_host_register()
1971 	ret = v4l2_device_register(ici->v4l2_dev.dev, &ici->v4l2_dev);  in soc_camera_host_register()
1975 	list_add_tail(&ici->list, &hosts);  in soc_camera_host_register()
1978 	mutex_init(&ici->host_lock);  in soc_camera_host_register()
1979 	mutex_init(&ici->clk_lock);  in soc_camera_host_register()
1981 	if (ici->v4l2_dev.dev->of_node)  in soc_camera_host_register()
1982 		scan_of_host(ici);  in soc_camera_host_register()
1983 	else if (ici->asd_sizes)  in soc_camera_host_register()
1989 		scan_async_host(ici);  in soc_camera_host_register()
1992 		scan_add_host(ici);  in soc_camera_host_register()
2003 void soc_camera_host_unregister(struct soc_camera_host *ici)  in soc_camera_host_unregister()  argument
2010 	list_del(&ici->list);  in soc_camera_host_unregister()
2012 		if (icd->iface == ici->nr && icd->sasc) {  in soc_camera_host_unregister()
2028 		if (icd->iface == ici->nr)  in soc_camera_host_unregister()
2033 	v4l2_device_unregister(&ici->v4l2_dev);  in soc_camera_host_unregister()
2119 	struct soc_camera_host *ici = to_soc_camera_host(icd->parent);  in video_dev_create()  local
2125 	strlcpy(vdev->name, ici->drv_name, sizeof(vdev->name));  in video_dev_create()
2127 	vdev->v4l2_dev		= &ici->v4l2_dev;  in video_dev_create()
2132 	vdev->lock		= &ici->host_lock;  in video_dev_create()