370 static s32 uvc_ctrl_get_zoom(struct uvc_control_mapping *mapping,  in uvc_ctrl_get_zoom()  argument
388 static void uvc_ctrl_set_zoom(struct uvc_control_mapping *mapping,  in uvc_ctrl_set_zoom()  argument
395 static s32 uvc_ctrl_get_rel_speed(struct uvc_control_mapping *mapping,  in uvc_ctrl_get_rel_speed()  argument
398 	unsigned int first = mapping->offset / 8;  in uvc_ctrl_get_rel_speed()
415 static void uvc_ctrl_set_rel_speed(struct uvc_control_mapping *mapping,  in uvc_ctrl_set_rel_speed()  argument
418 	unsigned int first = mapping->offset / 8;  in uvc_ctrl_set_rel_speed()
769 static s32 uvc_get_le_value(struct uvc_control_mapping *mapping,  in uvc_get_le_value()  argument
772 	int bits = mapping->size;  in uvc_get_le_value()
773 	int offset = mapping->offset;  in uvc_get_le_value()
790 	if (mapping->data_type == UVC_CTRL_DATA_TYPE_SIGNED)  in uvc_get_le_value()
791 		value |= -(value & (1 << (mapping->size - 1)));  in uvc_get_le_value()
799 static void uvc_set_le_value(struct uvc_control_mapping *mapping,  in uvc_set_le_value()  argument
802 	int bits = mapping->size;  in uvc_set_le_value()
803 	int offset = mapping->offset;  in uvc_set_le_value()
811 	if (mapping->v4l2_type == V4L2_CTRL_TYPE_BUTTON)  in uvc_set_le_value()
862 	struct uvc_control_mapping **mapping, struct uvc_control **control,  in __uvc_find_control()  argument
880 				*mapping = map;  in __uvc_find_control()
884 			if ((*mapping == NULL || (*mapping)->id > map->id) &&  in __uvc_find_control()
887 				*mapping = map;  in __uvc_find_control()
894 	u32 v4l2_id, struct uvc_control_mapping **mapping)  in uvc_find_control()  argument
900 	*mapping = NULL;  in uvc_find_control()
907 		__uvc_find_control(entity, v4l2_id, mapping, &ctrl, next);  in uvc_find_control()
975 static s32 __uvc_ctrl_get_value(struct uvc_control_mapping *mapping,  in __uvc_ctrl_get_value()  argument
978 	s32 value = mapping->get(mapping, UVC_GET_CUR, data);  in __uvc_ctrl_get_value()
980 	if (mapping->v4l2_type == V4L2_CTRL_TYPE_MENU) {  in __uvc_ctrl_get_value()
981 		struct uvc_menu_info *menu = mapping->menu_info;  in __uvc_ctrl_get_value()
984 		for (i = 0; i < mapping->menu_count; ++i, ++menu) {  in __uvc_ctrl_get_value()
996 	struct uvc_control *ctrl, struct uvc_control_mapping *mapping,  in __uvc_ctrl_get()  argument
1015 	*value = __uvc_ctrl_get_value(mapping,  in __uvc_ctrl_get()
1023 	struct uvc_control_mapping *mapping,  in __uvc_query_v4l2_ctrl()  argument
1032 	v4l2_ctrl->id = mapping->id;  in __uvc_query_v4l2_ctrl()
1033 	v4l2_ctrl->type = mapping->v4l2_type;  in __uvc_query_v4l2_ctrl()
1034 	strlcpy(v4l2_ctrl->name, mapping->name, sizeof(v4l2_ctrl->name));  in __uvc_query_v4l2_ctrl()
1042 	if (mapping->master_id)  in __uvc_query_v4l2_ctrl()
1043 		__uvc_find_control(ctrl->entity, mapping->master_id,  in __uvc_query_v4l2_ctrl()
1051 		if (val != mapping->master_manual)  in __uvc_query_v4l2_ctrl()
1062 		v4l2_ctrl->default_value = mapping->get(mapping, UVC_GET_DEF,  in __uvc_query_v4l2_ctrl()
1066 	switch (mapping->v4l2_type) {  in __uvc_query_v4l2_ctrl()
1069 		v4l2_ctrl->maximum = mapping->menu_count - 1;  in __uvc_query_v4l2_ctrl()
1072 		menu = mapping->menu_info;  in __uvc_query_v4l2_ctrl()
1073 		for (i = 0; i < mapping->menu_count; ++i, ++menu) {  in __uvc_query_v4l2_ctrl()
1099 		v4l2_ctrl->minimum = mapping->get(mapping, UVC_GET_MIN,  in __uvc_query_v4l2_ctrl()
1103 		v4l2_ctrl->maximum = mapping->get(mapping, UVC_GET_MAX,  in __uvc_query_v4l2_ctrl()
1107 		v4l2_ctrl->step = mapping->get(mapping, UVC_GET_RES,  in __uvc_query_v4l2_ctrl()
1117 	struct uvc_control_mapping *mapping;  in uvc_query_v4l2_ctrl()  local
1124 	ctrl = uvc_find_control(chain, v4l2_ctrl->id, &mapping);  in uvc_query_v4l2_ctrl()
1130 	ret = __uvc_query_v4l2_ctrl(chain, ctrl, mapping, v4l2_ctrl);  in uvc_query_v4l2_ctrl()
1149 	struct uvc_control_mapping *mapping;  in uvc_query_v4l2_menu()  local
1163 	ctrl = uvc_find_control(chain, query_menu->id, &mapping);  in uvc_query_v4l2_menu()
1164 	if (ctrl == NULL || mapping->v4l2_type != V4L2_CTRL_TYPE_MENU) {  in uvc_query_v4l2_menu()
1169 	if (query_menu->index >= mapping->menu_count) {  in uvc_query_v4l2_menu()
1174 	menu_info = &mapping->menu_info[query_menu->index];  in uvc_query_v4l2_menu()
1176 	if (mapping->data_type == UVC_CTRL_DATA_TYPE_BITMASK &&  in uvc_query_v4l2_menu()
1186 		bitmap = mapping->get(mapping, UVC_GET_RES,  in uvc_query_v4l2_menu()
1208 	struct uvc_control_mapping *mapping,  in uvc_ctrl_fill_event()  argument
1213 	__uvc_query_v4l2_ctrl(chain, ctrl, mapping, &v4l2_ctrl);  in uvc_ctrl_fill_event()
1237 	struct uvc_control_mapping *mapping, s32 value, u32 changes)  in uvc_ctrl_send_event()  argument
1243 	if (list_empty(&mapping->ev_subs))  in uvc_ctrl_send_event()
1246 	uvc_ctrl_fill_event(chain, &ev, ctrl, mapping, value, changes);  in uvc_ctrl_send_event()
1248 	list_for_each_entry(sev, &mapping->ev_subs, node) {  in uvc_ctrl_send_event()
1264 	struct uvc_control_mapping *mapping = NULL;  in uvc_ctrl_send_slave_event()  local
1269 	__uvc_find_control(master->entity, slave_id, &mapping, &ctrl, 0);  in uvc_ctrl_send_slave_event()
1273 	if (__uvc_ctrl_get(chain, ctrl, mapping, &val) == 0)  in uvc_ctrl_send_slave_event()
1276 	uvc_ctrl_send_event(chain, handle, ctrl, mapping, val, changes);  in uvc_ctrl_send_slave_event()
1285 	struct uvc_control_mapping *mapping;  in uvc_ctrl_status_event_work()  local
1296 	list_for_each_entry(mapping, &ctrl->info.mappings, list) {  in uvc_ctrl_status_event_work()
1297 		s32 value = __uvc_ctrl_get_value(mapping, w->data);  in uvc_ctrl_status_event_work()
1303 		for (i = 0; i < ARRAY_SIZE(mapping->slave_ids); ++i) {  in uvc_ctrl_status_event_work()
1304 			if (!mapping->slave_ids[i])  in uvc_ctrl_status_event_work()
1308 						  mapping->slave_ids[i]);  in uvc_ctrl_status_event_work()
1311 		uvc_ctrl_send_event(chain, handle, ctrl, mapping, value,  in uvc_ctrl_status_event_work()
1362 	struct uvc_control_mapping *mapping;  in uvc_ctrl_send_events()  local
1369 		ctrl = uvc_find_control(handle->chain, xctrls[i].id, &mapping);  in uvc_ctrl_send_events()
1375 		for (j = 0; j < ARRAY_SIZE(mapping->slave_ids); ++j) {  in uvc_ctrl_send_events()
1376 			u32 slave_id = mapping->slave_ids[j];  in uvc_ctrl_send_events()
1397 		if (mapping->master_id &&  in uvc_ctrl_send_events()
1399 						mapping->master_id))  in uvc_ctrl_send_events()
1402 		uvc_ctrl_send_event(handle->chain, handle, ctrl, mapping,  in uvc_ctrl_send_events()
1410 	struct uvc_control_mapping *mapping;  in uvc_ctrl_add_event()  local
1418 	ctrl = uvc_find_control(handle->chain, sev->id, &mapping);  in uvc_ctrl_add_event()
1424 	list_add_tail(&sev->node, &mapping->ev_subs);  in uvc_ctrl_add_event()
1430 		if (__uvc_ctrl_get(handle->chain, ctrl, mapping, &val) == 0)  in uvc_ctrl_add_event()
1433 		uvc_ctrl_fill_event(handle->chain, &ev, ctrl, mapping, val,  in uvc_ctrl_add_event()
1567 	struct uvc_control_mapping *mapping;  in uvc_ctrl_get()  local
1569 	ctrl = uvc_find_control(chain, xctrl->id, &mapping);  in uvc_ctrl_get()
1573 	return __uvc_ctrl_get(chain, ctrl, mapping, &xctrl->value);  in uvc_ctrl_get()
1581 	struct uvc_control_mapping *mapping;  in uvc_ctrl_set()  local
1588 	ctrl = uvc_find_control(chain, xctrl->id, &mapping);  in uvc_ctrl_set()
1595 	switch (mapping->v4l2_type) {  in uvc_ctrl_set()
1603 		min = mapping->get(mapping, UVC_GET_MIN,  in uvc_ctrl_set()
1605 		max = mapping->get(mapping, UVC_GET_MAX,  in uvc_ctrl_set()
1607 		step = mapping->get(mapping, UVC_GET_RES,  in uvc_ctrl_set()
1614 		if (mapping->data_type == UVC_CTRL_DATA_TYPE_SIGNED)  in uvc_ctrl_set()
1627 		if (xctrl->value < 0 || xctrl->value >= mapping->menu_count)  in uvc_ctrl_set()
1629 		value = mapping->menu_info[xctrl->value].value;  in uvc_ctrl_set()
1634 		if (mapping->data_type == UVC_CTRL_DATA_TYPE_BITMASK &&  in uvc_ctrl_set()
1642 			step = mapping->get(mapping, UVC_GET_RES,  in uvc_ctrl_set()
1659 	if (!ctrl->loaded && (ctrl->info.size * 8) != mapping->size) {  in uvc_ctrl_set()
1683 	mapping->set(mapping, value,  in uvc_ctrl_set()
2055 	struct uvc_control *ctrl, const struct uvc_control_mapping *mapping)  in __uvc_ctrl_add_mapping()  argument
2064 	map = kmemdup(mapping, sizeof(*mapping), GFP_KERNEL);  in __uvc_ctrl_add_mapping()
2070 	size = sizeof(*mapping->menu_info) * mapping->menu_count;  in __uvc_ctrl_add_mapping()
2071 	map->menu_info = kmemdup(mapping->menu_info, size, GFP_KERNEL);  in __uvc_ctrl_add_mapping()
2091 	const struct uvc_control_mapping *mapping)  in uvc_ctrl_add_mapping()  argument
2100 	if (mapping->id & ~V4L2_CTRL_ID_MASK) {  in uvc_ctrl_add_mapping()
2102 			"id 0x%08x is invalid.\n", mapping->name,  in uvc_ctrl_add_mapping()
2103 			mapping->id);  in uvc_ctrl_add_mapping()
2112 		    !uvc_entity_match_guid(entity, mapping->entity))  in uvc_ctrl_add_mapping()
2117 			if (ctrl->index == mapping->selector - 1) {  in uvc_ctrl_add_mapping()
2140 	if (mapping->size > 32 ||  in uvc_ctrl_add_mapping()
2141 	    mapping->offset + mapping->size > ctrl->info.size * 8) {  in uvc_ctrl_add_mapping()
2147 		if (mapping->id == map->id) {  in uvc_ctrl_add_mapping()
2150 				mapping->name, mapping->id);  in uvc_ctrl_add_mapping()
2160 			"mappings count (%u) exceeded.\n", mapping->name,  in uvc_ctrl_add_mapping()
2166 	ret = __uvc_ctrl_add_mapping(dev, ctrl, mapping);  in uvc_ctrl_add_mapping()
2245 	const struct uvc_control_mapping *mapping = uvc_ctrl_mappings;  in uvc_ctrl_init_ctrl()  local
2247 		mapping + ARRAY_SIZE(uvc_ctrl_mappings);  in uvc_ctrl_init_ctrl()
2268 	for (; mapping < mend; ++mapping) {  in uvc_ctrl_init_ctrl()
2269 		if (uvc_entity_match_guid(ctrl->entity, mapping->entity) &&  in uvc_ctrl_init_ctrl()
2270 		    ctrl->info.selector == mapping->selector)  in uvc_ctrl_init_ctrl()
2271 			__uvc_ctrl_add_mapping(dev, ctrl, mapping);  in uvc_ctrl_init_ctrl()
2339 	struct uvc_control_mapping *mapping, *nm;  in uvc_ctrl_cleanup_mappings()  local
2341 	list_for_each_entry_safe(mapping, nm, &ctrl->info.mappings, list) {  in uvc_ctrl_cleanup_mappings()
2342 		list_del(&mapping->list);  in uvc_ctrl_cleanup_mappings()
2343 		kfree(mapping->menu_info);  in uvc_ctrl_cleanup_mappings()
2344 		kfree(mapping);  in uvc_ctrl_cleanup_mappings()