Lines Matching full:mapping
373 * device. The custom menu_mapping in the control @mapping is used when
384 static int uvc_mapping_get_menu_value(const struct uvc_control_mapping *mapping, in uvc_mapping_get_menu_value() argument
387 if (!test_bit(idx, &mapping->menu_mask)) in uvc_mapping_get_menu_value()
390 if (mapping->menu_mapping) in uvc_mapping_get_menu_value()
391 return mapping->menu_mapping[idx]; in uvc_mapping_get_menu_value()
397 uvc_mapping_get_menu_name(const struct uvc_control_mapping *mapping, u32 idx) in uvc_mapping_get_menu_name() argument
399 if (!test_bit(idx, &mapping->menu_mask)) in uvc_mapping_get_menu_name()
402 if (mapping->menu_names) in uvc_mapping_get_menu_name()
403 return mapping->menu_names[idx]; in uvc_mapping_get_menu_name()
405 return v4l2_ctrl_get_menu(mapping->id)[idx]; in uvc_mapping_get_menu_name()
408 static s32 uvc_ctrl_get_zoom(struct uvc_control_mapping *mapping, in uvc_ctrl_get_zoom() argument
426 static void uvc_ctrl_set_zoom(struct uvc_control_mapping *mapping, in uvc_ctrl_set_zoom() argument
433 static s32 uvc_ctrl_get_rel_speed(struct uvc_control_mapping *mapping, in uvc_ctrl_get_rel_speed() argument
436 unsigned int first = mapping->offset / 8; in uvc_ctrl_get_rel_speed()
453 static void uvc_ctrl_set_rel_speed(struct uvc_control_mapping *mapping, in uvc_ctrl_set_rel_speed() argument
456 unsigned int first = mapping->offset / 8; in uvc_ctrl_set_rel_speed()
818 static s32 uvc_menu_to_v4l2_menu(struct uvc_control_mapping *mapping, s32 val) in uvc_menu_to_v4l2_menu() argument
822 for (i = 0; BIT(i) <= mapping->menu_mask; ++i) { in uvc_menu_to_v4l2_menu()
825 if (!test_bit(i, &mapping->menu_mask)) in uvc_menu_to_v4l2_menu()
828 menu_value = uvc_mapping_get_menu_value(mapping, i); in uvc_menu_to_v4l2_menu()
838 * Extract the bit string specified by mapping->offset and mapping->size
840 * a signed 32bit integer. Sign extension will be performed if the mapping
843 static s32 uvc_get_le_value(struct uvc_control_mapping *mapping, in uvc_get_le_value() argument
846 int bits = mapping->size; in uvc_get_le_value()
847 int offset = mapping->offset; in uvc_get_le_value()
868 if (mapping->data_type == UVC_CTRL_DATA_TYPE_SIGNED) in uvc_get_le_value()
869 value |= -(value & (1 << (mapping->size - 1))); in uvc_get_le_value()
872 if (mapping->v4l2_type != V4L2_CTRL_TYPE_MENU) in uvc_get_le_value()
878 return uvc_menu_to_v4l2_menu(mapping, value); in uvc_get_le_value()
885 * Set the bit string specified by mapping->offset and mapping->size
888 static void uvc_set_le_value(struct uvc_control_mapping *mapping, in uvc_set_le_value() argument
891 int bits = mapping->size; in uvc_set_le_value()
892 int offset = mapping->offset; in uvc_set_le_value()
901 if (mapping->v4l2_type == V4L2_CTRL_TYPE_BUTTON) in uvc_set_le_value()
931 struct uvc_control_mapping **mapping, struct uvc_control **control, in __uvc_find_control() argument
949 *mapping = map; in __uvc_find_control()
953 if ((*mapping == NULL || (*mapping)->id > map->id) && in __uvc_find_control()
956 *mapping = map; in __uvc_find_control()
963 u32 v4l2_id, struct uvc_control_mapping **mapping) in uvc_find_control() argument
969 *mapping = NULL; in uvc_find_control()
976 __uvc_find_control(entity, v4l2_id, mapping, &ctrl, next); in uvc_find_control()
1083 struct uvc_control_mapping *mapping, in __uvc_ctrl_get() argument
1095 *value = mapping->get(mapping, UVC_GET_CUR, in __uvc_ctrl_get()
1160 struct uvc_control_mapping *mapping; in uvc_ctrl_is_accessible() local
1170 ctrl = uvc_find_control(chain, v4l2_id, &mapping); in uvc_ctrl_is_accessible()
1180 if (ioctl != VIDIOC_S_EXT_CTRLS || !mapping->master_id) in uvc_ctrl_is_accessible()
1188 if (ctrls->controls[i].id == mapping->master_id) in uvc_ctrl_is_accessible()
1190 mapping->master_manual ? 0 : -EACCES; in uvc_ctrl_is_accessible()
1193 __uvc_find_control(ctrl->entity, mapping->master_id, &master_map, in uvc_ctrl_is_accessible()
1200 if (ret >= 0 && val != mapping->master_manual) in uvc_ctrl_is_accessible()
1221 struct uvc_control_mapping *mapping) in uvc_get_ctrl_bitmap() argument
1229 return mapping->get(mapping, UVC_GET_RES, in uvc_get_ctrl_bitmap()
1233 return mapping->get(mapping, UVC_GET_MAX, in uvc_get_ctrl_bitmap()
1241 struct uvc_control_mapping *mapping, in __uvc_query_v4l2_ctrl() argument
1248 v4l2_ctrl->id = mapping->id; in __uvc_query_v4l2_ctrl()
1249 v4l2_ctrl->type = mapping->v4l2_type; in __uvc_query_v4l2_ctrl()
1250 strscpy(v4l2_ctrl->name, uvc_map_get_name(mapping), in __uvc_query_v4l2_ctrl()
1259 if (mapping->master_id) in __uvc_query_v4l2_ctrl()
1260 __uvc_find_control(ctrl->entity, mapping->master_id, in __uvc_query_v4l2_ctrl()
1268 if (val != mapping->master_manual) in __uvc_query_v4l2_ctrl()
1279 v4l2_ctrl->default_value = mapping->get(mapping, UVC_GET_DEF, in __uvc_query_v4l2_ctrl()
1283 switch (mapping->v4l2_type) { in __uvc_query_v4l2_ctrl()
1285 v4l2_ctrl->minimum = ffs(mapping->menu_mask) - 1; in __uvc_query_v4l2_ctrl()
1286 v4l2_ctrl->maximum = fls(mapping->menu_mask) - 1; in __uvc_query_v4l2_ctrl()
1304 v4l2_ctrl->maximum = uvc_get_ctrl_bitmap(ctrl, mapping); in __uvc_query_v4l2_ctrl()
1313 v4l2_ctrl->minimum = mapping->get(mapping, UVC_GET_MIN, in __uvc_query_v4l2_ctrl()
1317 v4l2_ctrl->maximum = mapping->get(mapping, UVC_GET_MAX, in __uvc_query_v4l2_ctrl()
1321 v4l2_ctrl->step = mapping->get(mapping, UVC_GET_RES, in __uvc_query_v4l2_ctrl()
1331 struct uvc_control_mapping *mapping; in uvc_query_v4l2_ctrl() local
1345 ctrl = uvc_find_control(chain, v4l2_ctrl->id, &mapping); in uvc_query_v4l2_ctrl()
1357 ret = uvc_query_v4l2_class(chain, v4l2_ctrl->id, mapping->id, in uvc_query_v4l2_ctrl()
1363 ret = __uvc_query_v4l2_ctrl(chain, ctrl, mapping, v4l2_ctrl); in uvc_query_v4l2_ctrl()
1370 * Mapping V4L2 controls to UVC controls can be straightforward if done well.
1381 struct uvc_control_mapping *mapping; in uvc_query_v4l2_menu() local
1392 if (index >= BITS_PER_TYPE(mapping->menu_mask)) in uvc_query_v4l2_menu()
1399 ctrl = uvc_find_control(chain, query_menu->id, &mapping); in uvc_query_v4l2_menu()
1400 if (ctrl == NULL || mapping->v4l2_type != V4L2_CTRL_TYPE_MENU) { in uvc_query_v4l2_menu()
1405 if (!test_bit(query_menu->index, &mapping->menu_mask)) { in uvc_query_v4l2_menu()
1410 if (mapping->data_type == UVC_CTRL_DATA_TYPE_BITMASK) { in uvc_query_v4l2_menu()
1419 mask = uvc_mapping_get_menu_value(mapping, query_menu->index); in uvc_query_v4l2_menu()
1425 if (!(uvc_get_ctrl_bitmap(ctrl, mapping) & mask)) { in uvc_query_v4l2_menu()
1431 name = uvc_mapping_get_menu_name(mapping, query_menu->index); in uvc_query_v4l2_menu()
1451 struct uvc_control_mapping *mapping, in uvc_ctrl_fill_event() argument
1456 __uvc_query_v4l2_ctrl(chain, ctrl, mapping, &v4l2_ctrl); in uvc_ctrl_fill_event()
1480 struct uvc_control_mapping *mapping, s32 value, u32 changes) in uvc_ctrl_send_event() argument
1486 if (list_empty(&mapping->ev_subs)) in uvc_ctrl_send_event()
1489 uvc_ctrl_fill_event(chain, &ev, ctrl, mapping, value, changes); in uvc_ctrl_send_event()
1491 list_for_each_entry(sev, &mapping->ev_subs, node) { in uvc_ctrl_send_event()
1507 struct uvc_control_mapping *mapping = NULL; in uvc_ctrl_send_slave_event() local
1512 __uvc_find_control(master->entity, slave_id, &mapping, &ctrl, 0); in uvc_ctrl_send_slave_event()
1516 if (__uvc_ctrl_get(chain, ctrl, mapping, &val) == 0) in uvc_ctrl_send_slave_event()
1519 uvc_ctrl_send_event(chain, handle, ctrl, mapping, val, changes); in uvc_ctrl_send_slave_event()
1559 struct uvc_control_mapping *mapping; in uvc_ctrl_status_event() local
1569 list_for_each_entry(mapping, &ctrl->info.mappings, list) { in uvc_ctrl_status_event()
1570 s32 value = mapping->get(mapping, UVC_GET_CUR, data); in uvc_ctrl_status_event()
1576 for (i = 0; i < ARRAY_SIZE(mapping->slave_ids); ++i) { in uvc_ctrl_status_event()
1577 if (!mapping->slave_ids[i]) in uvc_ctrl_status_event()
1581 mapping->slave_ids[i]); in uvc_ctrl_status_event()
1584 uvc_ctrl_send_event(chain, handle, ctrl, mapping, value, in uvc_ctrl_status_event()
1649 struct uvc_control_mapping *mapping; in uvc_ctrl_send_events() local
1657 ctrl = uvc_find_control(handle->chain, xctrls[i].id, &mapping); in uvc_ctrl_send_events()
1665 for (j = 0; j < ARRAY_SIZE(mapping->slave_ids); ++j) { in uvc_ctrl_send_events()
1666 u32 slave_id = mapping->slave_ids[j]; in uvc_ctrl_send_events()
1687 if (mapping->master_id && in uvc_ctrl_send_events()
1689 mapping->master_id)) in uvc_ctrl_send_events()
1692 uvc_ctrl_send_event(handle->chain, handle, ctrl, mapping, in uvc_ctrl_send_events()
1700 struct uvc_control_mapping *mapping; in uvc_ctrl_add_event() local
1713 ctrl = uvc_find_control(handle->chain, sev->id, &mapping); in uvc_ctrl_add_event()
1719 list_add_tail(&sev->node, &mapping->ev_subs); in uvc_ctrl_add_event()
1725 if (__uvc_ctrl_get(handle->chain, ctrl, mapping, &val) == 0) in uvc_ctrl_add_event()
1728 uvc_ctrl_fill_event(handle->chain, &ev, ctrl, mapping, val, in uvc_ctrl_add_event()
1870 struct uvc_control_mapping *mapping = NULL; in uvc_ctrl_find_ctrl_idx() local
1878 __uvc_find_control(entity, ctrls->controls[i].id, &mapping, in uvc_ctrl_find_ctrl_idx()
1928 struct uvc_control_mapping *mapping; in uvc_ctrl_get() local
1933 ctrl = uvc_find_control(chain, xctrl->id, &mapping); in uvc_ctrl_get()
1937 return __uvc_ctrl_get(chain, ctrl, mapping, &xctrl->value); in uvc_ctrl_get()
1945 struct uvc_control_mapping *mapping; in uvc_ctrl_set() local
1955 ctrl = uvc_find_control(chain, xctrl->id, &mapping); in uvc_ctrl_set()
1962 switch (mapping->v4l2_type) { in uvc_ctrl_set()
1970 min = mapping->get(mapping, UVC_GET_MIN, in uvc_ctrl_set()
1972 max = mapping->get(mapping, UVC_GET_MAX, in uvc_ctrl_set()
1974 step = mapping->get(mapping, UVC_GET_RES, in uvc_ctrl_set()
1981 if (mapping->data_type == UVC_CTRL_DATA_TYPE_SIGNED) in uvc_ctrl_set()
1995 xctrl->value &= uvc_get_ctrl_bitmap(ctrl, mapping); in uvc_ctrl_set()
2005 if (xctrl->value < (ffs(mapping->menu_mask) - 1) || in uvc_ctrl_set()
2006 xctrl->value > (fls(mapping->menu_mask) - 1)) in uvc_ctrl_set()
2009 if (!test_bit(xctrl->value, &mapping->menu_mask)) in uvc_ctrl_set()
2012 value = uvc_mapping_get_menu_value(mapping, xctrl->value); in uvc_ctrl_set()
2018 if (mapping->data_type == UVC_CTRL_DATA_TYPE_BITMASK) { in uvc_ctrl_set()
2025 if (!(uvc_get_ctrl_bitmap(ctrl, mapping) & value)) in uvc_ctrl_set()
2037 * If the mapping doesn't span the whole UVC control, the current value in uvc_ctrl_set()
2041 if ((ctrl->info.size * 8) != mapping->size) { in uvc_ctrl_set()
2054 mapping->set(mapping, value, in uvc_ctrl_set()
2394 * Control and mapping handling
2422 * Add a control mapping to a given control.
2425 struct uvc_control *ctrl, const struct uvc_control_mapping *mapping) in __uvc_ctrl_add_mapping() argument
2436 map = kmemdup(mapping, sizeof(*mapping), GFP_KERNEL); in __uvc_ctrl_add_mapping()
2445 if (mapping->name) { in __uvc_ctrl_add_mapping()
2446 map->name = kstrdup(mapping->name, GFP_KERNEL); in __uvc_ctrl_add_mapping()
2453 if (mapping->menu_mapping && mapping->menu_mask) { in __uvc_ctrl_add_mapping()
2454 size = sizeof(mapping->menu_mapping[0]) in __uvc_ctrl_add_mapping()
2455 * fls(mapping->menu_mask); in __uvc_ctrl_add_mapping()
2456 map->menu_mapping = kmemdup(mapping->menu_mapping, size, in __uvc_ctrl_add_mapping()
2461 if (mapping->menu_names && mapping->menu_mask) { in __uvc_ctrl_add_mapping()
2462 size = sizeof(mapping->menu_names[0]) in __uvc_ctrl_add_mapping()
2463 * fls(mapping->menu_mask); in __uvc_ctrl_add_mapping()
2464 map->menu_names = kmemdup(mapping->menu_names, size, in __uvc_ctrl_add_mapping()
2484 uvc_dbg(chain->dev, CONTROL, "Adding mapping '%s' to control %pUl/%u\n", in __uvc_ctrl_add_mapping()
2499 const struct uvc_control_mapping *mapping) in uvc_ctrl_add_mapping() argument
2508 if (mapping->id & ~V4L2_CTRL_ID_MASK) { in uvc_ctrl_add_mapping()
2510 "Can't add mapping '%s', control id 0x%08x is invalid\n", in uvc_ctrl_add_mapping()
2511 uvc_map_get_name(mapping), mapping->id); in uvc_ctrl_add_mapping()
2520 !uvc_entity_match_guid(entity, mapping->entity)) in uvc_ctrl_add_mapping()
2525 if (ctrl->index == mapping->selector - 1) { in uvc_ctrl_add_mapping()
2548 if (mapping->size > 32 || in uvc_ctrl_add_mapping()
2549 mapping->offset + mapping->size > ctrl->info.size * 8) { in uvc_ctrl_add_mapping()
2555 if (mapping->id == map->id) { in uvc_ctrl_add_mapping()
2557 "Can't add mapping '%s', control id 0x%08x already exists\n", in uvc_ctrl_add_mapping()
2558 uvc_map_get_name(mapping), mapping->id); in uvc_ctrl_add_mapping()
2568 "Can't add mapping '%s', maximum mappings count (%u) exceeded\n", in uvc_ctrl_add_mapping()
2569 uvc_map_get_name(mapping), UVC_MAX_CONTROL_MAPPINGS); in uvc_ctrl_add_mapping()
2574 ret = __uvc_ctrl_add_mapping(chain, ctrl, mapping); in uvc_ctrl_add_mapping()
2686 * First check if the device provides a custom mapping for this control, in uvc_ctrl_init_ctrl()
2688 * process standard mappings if a custom mapping is found. This in uvc_ctrl_init_ctrl()
2696 const struct uvc_control_mapping *mapping = in uvc_ctrl_init_ctrl() local
2699 if (uvc_entity_match_guid(ctrl->entity, mapping->entity) && in uvc_ctrl_init_ctrl()
2700 ctrl->info.selector == mapping->selector) { in uvc_ctrl_init_ctrl()
2701 __uvc_ctrl_add_mapping(chain, ctrl, mapping); in uvc_ctrl_init_ctrl()
2712 const struct uvc_control_mapping *mapping = &uvc_ctrl_mappings[i]; in uvc_ctrl_init_ctrl() local
2714 if (uvc_entity_match_guid(ctrl->entity, mapping->entity) && in uvc_ctrl_init_ctrl()
2715 ctrl->info.selector == mapping->selector) in uvc_ctrl_init_ctrl()
2716 __uvc_ctrl_add_mapping(chain, ctrl, mapping); in uvc_ctrl_init_ctrl()
2724 const struct uvc_control_mapping *mapping = mappings[i]; in uvc_ctrl_init_ctrl() local
2726 if (uvc_entity_match_guid(ctrl->entity, mapping->entity) && in uvc_ctrl_init_ctrl()
2727 ctrl->info.selector == mapping->selector) in uvc_ctrl_init_ctrl()
2728 __uvc_ctrl_add_mapping(chain, ctrl, mapping); in uvc_ctrl_init_ctrl()
2833 struct uvc_control_mapping *mapping, *nm; in uvc_ctrl_cleanup_mappings() local
2835 list_for_each_entry_safe(mapping, nm, &ctrl->info.mappings, list) { in uvc_ctrl_cleanup_mappings()
2836 list_del(&mapping->list); in uvc_ctrl_cleanup_mappings()
2837 kfree(mapping->menu_names); in uvc_ctrl_cleanup_mappings()
2838 kfree(mapping->menu_mapping); in uvc_ctrl_cleanup_mappings()
2839 kfree(mapping->name); in uvc_ctrl_cleanup_mappings()
2840 kfree(mapping); in uvc_ctrl_cleanup_mappings()