1 // SPDX-License-Identifier: GPL-2.0
3  * camss.c
5  * Qualcomm MSM Camera Subsystem - Core
8  * Copyright (C) 2015-2018 Linaro Ltd.
12 #include <linux/media-bus-format.h>
23 #include <media/media-device.h>
24 #include <media/v4l2-async.h>
25 #include <media/v4l2-device.h>
26 #include <media/v4l2-mc.h>
27 #include <media/v4l2-fwnode.h>
29 #include "camss.h"
546 		.regulators = { "vdda-phy", "vdda-pll" },
566 		.regulators = { "vdda-phy", "vdda-pll" },
586 		.regulators = { "vdda-phy", "vdda-pll" },
646 	/* VFE-lite */
726 		.regulators = { "vdda-phy", "vdda-pll" },
738 		.regulators = { "vdda-phy", "vdda-pll" },
750 		.regulators = { "vdda-phy", "vdda-pll" },
761 		.regulators = { "vdda-phy", "vdda-pll" },
869  * camss_add_clock_margin - Add margin to clock frequency rate
882  * camss_enable_clocks - Enable multiple clocks
906 	for (i--; i >= 0; i--)  in camss_enable_clocks()
913  * camss_disable_clocks - Disable multiple clocks
921 	for (i = nclocks - 1; i >= 0; i--)  in camss_disable_clocks()
926  * camss_find_sensor - Find a linked media entity which represents a sensor
936 		pad = &entity->pads[0];  in camss_find_sensor()
937 		if (!(pad->flags & MEDIA_PAD_FL_SINK))  in camss_find_sensor()
941 		if (!pad || !is_media_entity_v4l2_subdev(pad->entity))  in camss_find_sensor()
944 		entity = pad->entity;  in camss_find_sensor()
946 		if (entity->function == MEDIA_ENT_F_CAM_SENSOR)  in camss_find_sensor()
952  * camss_get_link_freq - Get link frequency from sensor
967 		return -ENODEV;  in camss_get_link_freq()
971 	return v4l2_get_link_freq(subdev->ctrl_handler, bpp, 2 * lanes);  in camss_get_link_freq()
975  * camss_get_pixel_clock - Get pixel clock rate from sensor
989 		return -ENODEV;  in camss_get_pixel_clock()
993 	ctrl = v4l2_ctrl_find(subdev->ctrl_handler, V4L2_CID_PIXEL_RATE);  in camss_get_pixel_clock()
996 		return -EINVAL;  in camss_get_pixel_clock()
1003 int camss_pm_domain_on(struct camss *camss, int id)  in camss_pm_domain_on()  argument
1007 	if (id < camss->vfe_num) {  in camss_pm_domain_on()
1008 		struct vfe_device *vfe = &camss->vfe[id];  in camss_pm_domain_on()
1010 		ret = vfe->ops->pm_domain_on(vfe);  in camss_pm_domain_on()
1016 void camss_pm_domain_off(struct camss *camss, int id)  in camss_pm_domain_off()  argument
1018 	if (id < camss->vfe_num) {  in camss_pm_domain_off()
1019 		struct vfe_device *vfe = &camss->vfe[id];  in camss_pm_domain_off()
1021 		vfe->ops->pm_domain_off(vfe);  in camss_pm_domain_off()
1026  * camss_of_parse_endpoint_node - Parse port endpoint node
1037 	struct csiphy_lanes_cfg *lncfg = &csd->interface.csi2.lane_cfg;  in camss_of_parse_endpoint_node()
1044 	csd->interface.csiphy_id = vep.base.port;  in camss_of_parse_endpoint_node()
1047 	lncfg->clk.pos = mipi_csi2->clock_lane;  in camss_of_parse_endpoint_node()
1048 	lncfg->clk.pol = mipi_csi2->lane_polarities[0];  in camss_of_parse_endpoint_node()
1049 	lncfg->num_data = mipi_csi2->num_data_lanes;  in camss_of_parse_endpoint_node()
1051 	lncfg->data = devm_kcalloc(dev,  in camss_of_parse_endpoint_node()
1052 				   lncfg->num_data, sizeof(*lncfg->data),  in camss_of_parse_endpoint_node()
1054 	if (!lncfg->data)  in camss_of_parse_endpoint_node()
1055 		return -ENOMEM;  in camss_of_parse_endpoint_node()
1057 	for (i = 0; i < lncfg->num_data; i++) {  in camss_of_parse_endpoint_node()
1058 		lncfg->data[i].pos = mipi_csi2->data_lanes[i];  in camss_of_parse_endpoint_node()
1059 		lncfg->data[i].pol = mipi_csi2->lane_polarities[i + 1];  in camss_of_parse_endpoint_node()
1066  * camss_of_parse_ports - Parse ports node
1072 static int camss_of_parse_ports(struct camss *camss)  in camss_of_parse_ports()  argument
1074 	struct device *dev = camss->dev;  in camss_of_parse_ports()
1079 	for_each_endpoint_of_node(dev->of_node, node) {  in camss_of_parse_ports()
1088 			ret = -EINVAL;  in camss_of_parse_ports()
1092 		csd = v4l2_async_nf_add_fwnode(&camss->notifier,  in camss_of_parse_ports()
1116  * camss_init_subdevices - Initialize subdev structures and resources
1117  * @camss: CAMSS device
1121 static int camss_init_subdevices(struct camss *camss)  in camss_init_subdevices()  argument
1130 	if (camss->version == CAMSS_8x16) {  in camss_init_subdevices()
1135 	} else if (camss->version == CAMSS_8x96) {  in camss_init_subdevices()
1140 	} else if (camss->version == CAMSS_660) {  in camss_init_subdevices()
1145 	}  else if (camss->version == CAMSS_845) {  in camss_init_subdevices()
1151 	} else if (camss->version == CAMSS_8250) {  in camss_init_subdevices()
1158 		return -EINVAL;  in camss_init_subdevices()
1161 	for (i = 0; i < camss->csiphy_num; i++) {  in camss_init_subdevices()
1162 		ret = msm_csiphy_subdev_init(camss, &camss->csiphy[i],  in camss_init_subdevices()
1165 			dev_err(camss->dev,  in camss_init_subdevices()
1166 				"Failed to init csiphy%d sub-device: %d\n",  in camss_init_subdevices()
1173 	for (i = 0; i < camss->vfe_num; i++) {  in camss_init_subdevices()
1174 		ret = msm_vfe_subdev_init(camss, &camss->vfe[i],  in camss_init_subdevices()
1177 			dev_err(camss->dev,  in camss_init_subdevices()
1178 				"Fail to init vfe%d sub-device: %d\n", i, ret);  in camss_init_subdevices()
1183 	for (i = 0; i < camss->csid_num; i++) {  in camss_init_subdevices()
1184 		ret = msm_csid_subdev_init(camss, &camss->csid[i],  in camss_init_subdevices()
1187 			dev_err(camss->dev,  in camss_init_subdevices()
1188 				"Failed to init csid%d sub-device: %d\n",  in camss_init_subdevices()
1194 	ret = msm_ispif_subdev_init(camss, ispif_res);  in camss_init_subdevices()
1196 		dev_err(camss->dev, "Failed to init ispif sub-device: %d\n",  in camss_init_subdevices()
1205  * camss_register_entities - Register subdev nodes and create links
1206  * @camss: CAMSS device
1210 static int camss_register_entities(struct camss *camss)  in camss_register_entities()  argument
1215 	for (i = 0; i < camss->csiphy_num; i++) {  in camss_register_entities()
1216 		ret = msm_csiphy_register_entity(&camss->csiphy[i],  in camss_register_entities()
1217 						 &camss->v4l2_dev);  in camss_register_entities()
1219 			dev_err(camss->dev,  in camss_register_entities()
1226 	for (i = 0; i < camss->csid_num; i++) {  in camss_register_entities()
1227 		ret = msm_csid_register_entity(&camss->csid[i],  in camss_register_entities()
1228 					       &camss->v4l2_dev);  in camss_register_entities()
1230 			dev_err(camss->dev,  in camss_register_entities()
1237 	ret = msm_ispif_register_entities(camss->ispif,  in camss_register_entities()
1238 					  &camss->v4l2_dev);  in camss_register_entities()
1240 		dev_err(camss->dev, "Failed to register ispif entities: %d\n",  in camss_register_entities()
1245 	for (i = 0; i < camss->vfe_num; i++) {  in camss_register_entities()
1246 		ret = msm_vfe_register_entities(&camss->vfe[i],  in camss_register_entities()
1247 						&camss->v4l2_dev);  in camss_register_entities()
1249 			dev_err(camss->dev,  in camss_register_entities()
1256 	for (i = 0; i < camss->csiphy_num; i++) {  in camss_register_entities()
1257 		for (j = 0; j < camss->csid_num; j++) {  in camss_register_entities()
1259 				&camss->csiphy[i].subdev.entity,  in camss_register_entities()
1261 				&camss->csid[j].subdev.entity,  in camss_register_entities()
1265 				dev_err(camss->dev,  in camss_register_entities()
1266 					"Failed to link %s->%s entities: %d\n",  in camss_register_entities()
1267 					camss->csiphy[i].subdev.entity.name,  in camss_register_entities()
1268 					camss->csid[j].subdev.entity.name,  in camss_register_entities()
1275 	if (camss->ispif) {  in camss_register_entities()
1276 		for (i = 0; i < camss->csid_num; i++) {  in camss_register_entities()
1277 			for (j = 0; j < camss->ispif->line_num; j++) {  in camss_register_entities()
1279 					&camss->csid[i].subdev.entity,  in camss_register_entities()
1281 					&camss->ispif->line[j].subdev.entity,  in camss_register_entities()
1285 					dev_err(camss->dev,  in camss_register_entities()
1286 						"Failed to link %s->%s entities: %d\n",  in camss_register_entities()
1287 						camss->csid[i].subdev.entity.name,  in camss_register_entities()
1288 						camss->ispif->line[j].subdev.entity.name,  in camss_register_entities()
1295 		for (i = 0; i < camss->ispif->line_num; i++)  in camss_register_entities()
1296 			for (k = 0; k < camss->vfe_num; k++)  in camss_register_entities()
1297 				for (j = 0; j < camss->vfe[k].line_num; j++) {  in camss_register_entities()
1298 					struct v4l2_subdev *ispif = &camss->ispif->line[i].subdev;  in camss_register_entities()
1299 					struct v4l2_subdev *vfe = &camss->vfe[k].line[j].subdev;  in camss_register_entities()
1301 					ret = media_create_pad_link(&ispif->entity,  in camss_register_entities()
1303 								    &vfe->entity,  in camss_register_entities()
1307 						dev_err(camss->dev,  in camss_register_entities()
1308 							"Failed to link %s->%s entities: %d\n",  in camss_register_entities()
1309 							ispif->entity.name,  in camss_register_entities()
1310 							vfe->entity.name,  in camss_register_entities()
1316 		for (i = 0; i < camss->csid_num; i++)  in camss_register_entities()
1317 			for (k = 0; k < camss->vfe_num; k++)  in camss_register_entities()
1318 				for (j = 0; j < camss->vfe[k].line_num; j++) {  in camss_register_entities()
1319 					struct v4l2_subdev *csid = &camss->csid[i].subdev;  in camss_register_entities()
1320 					struct v4l2_subdev *vfe = &camss->vfe[k].line[j].subdev;  in camss_register_entities()
1322 					ret = media_create_pad_link(&csid->entity,  in camss_register_entities()
1324 								    &vfe->entity,  in camss_register_entities()
1328 						dev_err(camss->dev,  in camss_register_entities()
1329 							"Failed to link %s->%s entities: %d\n",  in camss_register_entities()
1330 							csid->entity.name,  in camss_register_entities()
1331 							vfe->entity.name,  in camss_register_entities()
1341 	i = camss->vfe_num;  in camss_register_entities()
1343 	for (i--; i >= 0; i--)  in camss_register_entities()
1344 		msm_vfe_unregister_entities(&camss->vfe[i]);  in camss_register_entities()
1347 	msm_ispif_unregister_entities(camss->ispif);  in camss_register_entities()
1349 	i = camss->csid_num;  in camss_register_entities()
1351 	for (i--; i >= 0; i--)  in camss_register_entities()
1352 		msm_csid_unregister_entity(&camss->csid[i]);  in camss_register_entities()
1354 	i = camss->csiphy_num;  in camss_register_entities()
1356 	for (i--; i >= 0; i--)  in camss_register_entities()
1357 		msm_csiphy_unregister_entity(&camss->csiphy[i]);  in camss_register_entities()
1363  * camss_unregister_entities - Unregister subdev nodes
1364  * @camss: CAMSS device
1368 static void camss_unregister_entities(struct camss *camss)  in camss_unregister_entities()  argument
1372 	for (i = 0; i < camss->csiphy_num; i++)  in camss_unregister_entities()
1373 		msm_csiphy_unregister_entity(&camss->csiphy[i]);  in camss_unregister_entities()
1375 	for (i = 0; i < camss->csid_num; i++)  in camss_unregister_entities()
1376 		msm_csid_unregister_entity(&camss->csid[i]);  in camss_unregister_entities()
1378 	msm_ispif_unregister_entities(camss->ispif);  in camss_unregister_entities()
1380 	for (i = 0; i < camss->vfe_num; i++)  in camss_unregister_entities()
1381 		msm_vfe_unregister_entities(&camss->vfe[i]);  in camss_unregister_entities()
1388 	struct camss *camss = container_of(async, struct camss, notifier);  in camss_subdev_notifier_bound()  local
1391 	u8 id = csd->interface.csiphy_id;  in camss_subdev_notifier_bound()
1392 	struct csiphy_device *csiphy = &camss->csiphy[id];  in camss_subdev_notifier_bound()
1394 	csiphy->cfg.csi2 = &csd->interface.csi2;  in camss_subdev_notifier_bound()
1395 	subdev->host_priv = csiphy;  in camss_subdev_notifier_bound()
1402 	struct camss *camss = container_of(async, struct camss, notifier);  in camss_subdev_notifier_complete()  local
1403 	struct v4l2_device *v4l2_dev = &camss->v4l2_dev;  in camss_subdev_notifier_complete()
1407 	list_for_each_entry(sd, &v4l2_dev->subdevs, list) {  in camss_subdev_notifier_complete()
1408 		if (sd->host_priv) {  in camss_subdev_notifier_complete()
1409 			struct media_entity *sensor = &sd->entity;  in camss_subdev_notifier_complete()
1411 					(struct csiphy_device *) sd->host_priv;  in camss_subdev_notifier_complete()
1412 			struct media_entity *input = &csiphy->subdev.entity;  in camss_subdev_notifier_complete()
1415 			for (i = 0; i < sensor->num_pads; i++) {  in camss_subdev_notifier_complete()
1416 				if (sensor->pads[i].flags & MEDIA_PAD_FL_SOURCE)  in camss_subdev_notifier_complete()
1419 			if (i == sensor->num_pads) {  in camss_subdev_notifier_complete()
1420 				dev_err(camss->dev,  in camss_subdev_notifier_complete()
1422 				return -EINVAL;  in camss_subdev_notifier_complete()
1429 				dev_err(camss->dev,  in camss_subdev_notifier_complete()
1430 					"Failed to link %s->%s entities: %d\n",  in camss_subdev_notifier_complete()
1431 					sensor->name, input->name, ret);  in camss_subdev_notifier_complete()
1437 	ret = v4l2_device_register_subdev_nodes(&camss->v4l2_dev);  in camss_subdev_notifier_complete()
1441 	return media_device_register(&camss->media_dev);  in camss_subdev_notifier_complete()
1453 static int camss_configure_pd(struct camss *camss)  in camss_configure_pd()  argument
1455 	struct device *dev = camss->dev;  in camss_configure_pd()
1460 	camss->genpd_num = of_count_phandle_with_args(dev->of_node,  in camss_configure_pd()
1461 						      "power-domains",  in camss_configure_pd()
1462 						      "#power-domain-cells");  in camss_configure_pd()
1463 	if (camss->genpd_num < 0) {  in camss_configure_pd()
1464 		dev_err(dev, "Power domains are not defined for camss\n");  in camss_configure_pd()
1465 		return camss->genpd_num;  in camss_configure_pd()
1468 	camss->genpd = devm_kmalloc_array(dev, camss->genpd_num,  in camss_configure_pd()
1469 					  sizeof(*camss->genpd), GFP_KERNEL);  in camss_configure_pd()
1470 	if (!camss->genpd)  in camss_configure_pd()
1471 		return -ENOMEM;  in camss_configure_pd()
1473 	camss->genpd_link = devm_kmalloc_array(dev, camss->genpd_num,  in camss_configure_pd()
1474 					       sizeof(*camss->genpd_link),  in camss_configure_pd()
1476 	if (!camss->genpd_link)  in camss_configure_pd()
1477 		return -ENOMEM;  in camss_configure_pd()
1479 	for (i = 0; i < camss->genpd_num; i++) {  in camss_configure_pd()
1480 		camss->genpd[i] = dev_pm_domain_attach_by_id(camss->dev, i);  in camss_configure_pd()
1481 		if (IS_ERR(camss->genpd[i])) {  in camss_configure_pd()
1482 			ret = PTR_ERR(camss->genpd[i]);  in camss_configure_pd()
1486 		camss->genpd_link[i] = device_link_add(camss->dev, camss->genpd[i],  in camss_configure_pd()
1489 		if (!camss->genpd_link[i]) {  in camss_configure_pd()
1490 			dev_pm_domain_detach(camss->genpd[i], true);  in camss_configure_pd()
1491 			ret = -EINVAL;  in camss_configure_pd()
1502 		device_link_del(camss->genpd_link[i]);  in camss_configure_pd()
1503 		dev_pm_domain_detach(camss->genpd[i], true);  in camss_configure_pd()
1509 static int camss_icc_get(struct camss *camss)  in camss_icc_get()  argument
1515 	if (camss->version == CAMSS_8250) {  in camss_icc_get()
1521 		camss->icc_path[i] = devm_of_icc_get(camss->dev,  in camss_icc_get()
1523 		if (IS_ERR(camss->icc_path[i]))  in camss_icc_get()
1524 			return PTR_ERR(camss->icc_path[i]);  in camss_icc_get()
1526 		camss->icc_bw_tbl[i] = icc_res[i].icc_bw_tbl;  in camss_icc_get()
1533  * camss_probe - Probe CAMSS platform device
1534  * @pdev: Pointer to CAMSS platform device
1540 	struct device *dev = &pdev->dev;  in camss_probe()
1541 	struct camss *camss;  in camss_probe()  local
1544 	camss = devm_kzalloc(dev, sizeof(*camss), GFP_KERNEL);  in camss_probe()
1545 	if (!camss)  in camss_probe()
1546 		return -ENOMEM;  in camss_probe()
1548 	atomic_set(&camss->ref_count, 0);  in camss_probe()
1549 	camss->dev = dev;  in camss_probe()
1550 	platform_set_drvdata(pdev, camss);  in camss_probe()
1552 	if (of_device_is_compatible(dev->of_node, "qcom,msm8916-camss")) {  in camss_probe()
1553 		camss->version = CAMSS_8x16;  in camss_probe()
1554 		camss->csiphy_num = 2;  in camss_probe()
1555 		camss->csid_num = 2;  in camss_probe()
1556 		camss->vfe_num = 1;  in camss_probe()
1557 	} else if (of_device_is_compatible(dev->of_node,  in camss_probe()
1558 					   "qcom,msm8996-camss")) {  in camss_probe()
1559 		camss->version = CAMSS_8x96;  in camss_probe()
1560 		camss->csiphy_num = 3;  in camss_probe()
1561 		camss->csid_num = 4;  in camss_probe()
1562 		camss->vfe_num = 2;  in camss_probe()
1563 	} else if (of_device_is_compatible(dev->of_node,  in camss_probe()
1564 					   "qcom,sdm660-camss")) {  in camss_probe()
1565 		camss->version = CAMSS_660;  in camss_probe()
1566 		camss->csiphy_num = 3;  in camss_probe()
1567 		camss->csid_num = 4;  in camss_probe()
1568 		camss->vfe_num = 2;  in camss_probe()
1569 	} else if (of_device_is_compatible(dev->of_node,  in camss_probe()
1570 					   "qcom,sdm845-camss")) {  in camss_probe()
1571 		camss->version = CAMSS_845;  in camss_probe()
1572 		camss->csiphy_num = 4;  in camss_probe()
1573 		camss->csid_num = 3;  in camss_probe()
1574 		camss->vfe_num = 3;  in camss_probe()
1575 	} else if (of_device_is_compatible(dev->of_node,  in camss_probe()
1576 					   "qcom,sm8250-camss")) {  in camss_probe()
1577 		camss->version = CAMSS_8250;  in camss_probe()
1578 		camss->csiphy_num = 6;  in camss_probe()
1579 		camss->csid_num = 4;  in camss_probe()
1580 		camss->vfe_num = 4;  in camss_probe()
1582 		return -EINVAL;  in camss_probe()
1585 	camss->csiphy = devm_kcalloc(dev, camss->csiphy_num,  in camss_probe()
1586 				     sizeof(*camss->csiphy), GFP_KERNEL);  in camss_probe()
1587 	if (!camss->csiphy)  in camss_probe()
1588 		return -ENOMEM;  in camss_probe()
1590 	camss->csid = devm_kcalloc(dev, camss->csid_num, sizeof(*camss->csid),  in camss_probe()
1592 	if (!camss->csid)  in camss_probe()
1593 		return -ENOMEM;  in camss_probe()
1595 	if (camss->version == CAMSS_8x16 ||  in camss_probe()
1596 	    camss->version == CAMSS_8x96) {  in camss_probe()
1597 		camss->ispif = devm_kcalloc(dev, 1, sizeof(*camss->ispif), GFP_KERNEL);  in camss_probe()
1598 		if (!camss->ispif)  in camss_probe()
1599 			return -ENOMEM;  in camss_probe()
1602 	camss->vfe = devm_kcalloc(dev, camss->vfe_num, sizeof(*camss->vfe),  in camss_probe()
1604 	if (!camss->vfe)  in camss_probe()
1605 		return -ENOMEM;  in camss_probe()
1607 	v4l2_async_nf_init(&camss->notifier);  in camss_probe()
1609 	num_subdevs = camss_of_parse_ports(camss);  in camss_probe()
1615 	ret = camss_icc_get(camss);  in camss_probe()
1619 	ret = camss_init_subdevices(camss);  in camss_probe()
1627 	camss->media_dev.dev = camss->dev;  in camss_probe()
1628 	strscpy(camss->media_dev.model, "Qualcomm Camera Subsystem",  in camss_probe()
1629 		sizeof(camss->media_dev.model));  in camss_probe()
1630 	camss->media_dev.ops = &camss_media_ops;  in camss_probe()
1631 	media_device_init(&camss->media_dev);  in camss_probe()
1633 	camss->v4l2_dev.mdev = &camss->media_dev;  in camss_probe()
1634 	ret = v4l2_device_register(camss->dev, &camss->v4l2_dev);  in camss_probe()
1640 	ret = camss_register_entities(camss);  in camss_probe()
1645 		camss->notifier.ops = &camss_subdev_notifier_ops;  in camss_probe()
1647 		ret = v4l2_async_nf_register(&camss->v4l2_dev,  in camss_probe()
1648 					     &camss->notifier);  in camss_probe()
1656 		ret = v4l2_device_register_subdev_nodes(&camss->v4l2_dev);  in camss_probe()
1663 		ret = media_device_register(&camss->media_dev);  in camss_probe()
1671 	ret = camss_configure_pd(camss);  in camss_probe()
1682 	camss_unregister_entities(camss);  in camss_probe()
1684 	v4l2_device_unregister(&camss->v4l2_dev);  in camss_probe()
1686 	v4l2_async_nf_cleanup(&camss->notifier);  in camss_probe()
1691 void camss_delete(struct camss *camss)  in camss_delete()  argument
1695 	v4l2_device_unregister(&camss->v4l2_dev);  in camss_delete()
1696 	media_device_unregister(&camss->media_dev);  in camss_delete()
1697 	media_device_cleanup(&camss->media_dev);  in camss_delete()
1699 	pm_runtime_disable(camss->dev);  in camss_delete()
1701 	for (i = 0; i < camss->genpd_num; i++) {  in camss_delete()
1702 		device_link_del(camss->genpd_link[i]);  in camss_delete()
1703 		dev_pm_domain_detach(camss->genpd[i], true);  in camss_delete()
1708  * camss_remove - Remove CAMSS platform device
1709  * @pdev: Pointer to CAMSS platform device
1715 	struct camss *camss = platform_get_drvdata(pdev);  in camss_remove()  local
1717 	v4l2_async_nf_unregister(&camss->notifier);  in camss_remove()
1718 	v4l2_async_nf_cleanup(&camss->notifier);  in camss_remove()
1719 	camss_unregister_entities(camss);  in camss_remove()
1721 	if (atomic_read(&camss->ref_count) == 0)  in camss_remove()
1722 		camss_delete(camss);  in camss_remove()
1728 	{ .compatible = "qcom,msm8916-camss" },
1729 	{ .compatible = "qcom,msm8996-camss" },
1730 	{ .compatible = "qcom,sdm660-camss" },
1731 	{ .compatible = "qcom,sdm845-camss" },
1732 	{ .compatible = "qcom,sm8250-camss" },
1740 	struct camss *camss = dev_get_drvdata(dev);  in camss_runtime_suspend()  local
1745 	if (camss->version == CAMSS_8250)  in camss_runtime_suspend()
1749 		ret = icc_set_bw(camss->icc_path[i], 0, 0);  in camss_runtime_suspend()
1759 	struct camss *camss = dev_get_drvdata(dev);  in camss_runtime_resume()  local
1764 	if (camss->version == CAMSS_8250)  in camss_runtime_resume()
1768 		ret = icc_set_bw(camss->icc_path[i],  in camss_runtime_resume()
1769 				 camss->icc_bw_tbl[i].avg,  in camss_runtime_resume()
1770 				 camss->icc_bw_tbl[i].peak);  in camss_runtime_resume()
1788 		.name = "qcom-camss",
1796 MODULE_ALIAS("platform:qcom-camss");