17 #include <linux/input/sparse-keymap.h>
28 	struct key_entry *key;  in sparse_keymap_get_key_index()  local
31 	for (key = dev->keycode; key->type != KE_END; key++) {  in sparse_keymap_get_key_index()
32 		if (key->type == KE_KEY) {  in sparse_keymap_get_key_index()
33 			if (key == k)  in sparse_keymap_get_key_index()
45 	struct key_entry *key;  in sparse_keymap_entry_by_index()  local
48 	for (key = dev->keycode; key->type != KE_END; key++)  in sparse_keymap_entry_by_index()
49 		if (key->type == KE_KEY)  in sparse_keymap_entry_by_index()
51 				return key;  in sparse_keymap_entry_by_index()
57  * sparse_keymap_entry_from_scancode - perform sparse keymap lookup
59  * @code: Scan code
65 						    unsigned int code)  in sparse_keymap_entry_from_scancode()  argument
67 	struct key_entry *key;  in sparse_keymap_entry_from_scancode()  local
69 	for (key = dev->keycode; key->type != KE_END; key++)  in sparse_keymap_entry_from_scancode()
70 		if (code == key->code)  in sparse_keymap_entry_from_scancode()
71 			return key;  in sparse_keymap_entry_from_scancode()
78  * sparse_keymap_entry_from_keycode - perform sparse keymap lookup
80  * @keycode: Key code
88 	struct key_entry *key;  in sparse_keymap_entry_from_keycode()  local
90 	for (key = dev->keycode; key->type != KE_END; key++)  in sparse_keymap_entry_from_keycode()
91 		if (key->type == KE_KEY && keycode == key->keycode)  in sparse_keymap_entry_from_keycode()
92 			return key;  in sparse_keymap_entry_from_keycode()
101 	struct key_entry *key;  in sparse_keymap_locate()  local
104 	if (ke->flags & INPUT_KEYMAP_BY_INDEX)  in sparse_keymap_locate()
105 		key = sparse_keymap_entry_by_index(dev, ke->index);  in sparse_keymap_locate()
107 		key = sparse_keymap_entry_from_scancode(dev, scancode);  in sparse_keymap_locate()
109 		key = NULL;  in sparse_keymap_locate()
111 	return key;  in sparse_keymap_locate()
117 	const struct key_entry *key;  in sparse_keymap_getkeycode()  local
119 	if (dev->keycode) {  in sparse_keymap_getkeycode()
120 		key = sparse_keymap_locate(dev, ke);  in sparse_keymap_getkeycode()
121 		if (key && key->type == KE_KEY) {  in sparse_keymap_getkeycode()
122 			ke->keycode = key->keycode;  in sparse_keymap_getkeycode()
123 			if (!(ke->flags & INPUT_KEYMAP_BY_INDEX))  in sparse_keymap_getkeycode()
124 				ke->index =  in sparse_keymap_getkeycode()
125 					sparse_keymap_get_key_index(dev, key);  in sparse_keymap_getkeycode()
126 			ke->len = sizeof(key->code);  in sparse_keymap_getkeycode()
127 			memcpy(ke->scancode, &key->code, sizeof(key->code));  in sparse_keymap_getkeycode()
132 	return -EINVAL;  in sparse_keymap_getkeycode()
139 	struct key_entry *key;  in sparse_keymap_setkeycode()  local
141 	if (dev->keycode) {  in sparse_keymap_setkeycode()
142 		key = sparse_keymap_locate(dev, ke);  in sparse_keymap_setkeycode()
143 		if (key && key->type == KE_KEY) {  in sparse_keymap_setkeycode()
144 			*old_keycode = key->keycode;  in sparse_keymap_setkeycode()
145 			key->keycode = ke->keycode;  in sparse_keymap_setkeycode()
146 			set_bit(ke->keycode, dev->keybit);  in sparse_keymap_setkeycode()
148 				clear_bit(*old_keycode, dev->keybit);  in sparse_keymap_setkeycode()
153 	return -EINVAL;  in sparse_keymap_setkeycode()
157  * sparse_keymap_setup - set up sparse keymap for an input device
179 	for (e = keymap; e->type != KE_END; e++)  in sparse_keymap_setup()
182 	map = devm_kmemdup(&dev->dev, keymap, map_size * sizeof(*map),  in sparse_keymap_setup()
185 		return -ENOMEM;  in sparse_keymap_setup()
196 		switch (entry->type) {  in sparse_keymap_setup()
198 			__set_bit(EV_KEY, dev->evbit);  in sparse_keymap_setup()
199 			__set_bit(entry->keycode, dev->keybit);  in sparse_keymap_setup()
204 			__set_bit(EV_SW, dev->evbit);  in sparse_keymap_setup()
205 			__set_bit(entry->sw.code, dev->swbit);  in sparse_keymap_setup()
210 	if (test_bit(EV_KEY, dev->evbit)) {  in sparse_keymap_setup()
211 		__set_bit(KEY_UNKNOWN, dev->keybit);  in sparse_keymap_setup()
212 		__set_bit(EV_MSC, dev->evbit);  in sparse_keymap_setup()
213 		__set_bit(MSC_SCAN, dev->mscbit);  in sparse_keymap_setup()
216 	dev->keycode = map;  in sparse_keymap_setup()
217 	dev->keycodemax = map_size;  in sparse_keymap_setup()
218 	dev->getkeycode = sparse_keymap_getkeycode;  in sparse_keymap_setup()
219 	dev->setkeycode = sparse_keymap_setkeycode;  in sparse_keymap_setup()
226  * sparse_keymap_report_entry - report event corresponding to given key entry
228  * @ke: key entry describing event
240 	switch (ke->type) {  in sparse_keymap_report_entry()
242 		input_event(dev, EV_MSC, MSC_SCAN, ke->code);  in sparse_keymap_report_entry()
243 		input_report_key(dev, ke->keycode, value);  in sparse_keymap_report_entry()
246 			input_report_key(dev, ke->keycode, 0);  in sparse_keymap_report_entry()
252 		value = ke->sw.value;  in sparse_keymap_report_entry()
256 		input_report_switch(dev, ke->sw.code, value);  in sparse_keymap_report_entry()
264  * sparse_keymap_report_event - report event corresponding to given scancode
266  * @code: Scan code
276 bool sparse_keymap_report_event(struct input_dev *dev, unsigned int code,  in sparse_keymap_report_event()  argument
280 		sparse_keymap_entry_from_scancode(dev, code);  in sparse_keymap_report_event()
288 	/* Report an unknown key event as a debugging aid */  in sparse_keymap_report_event()
290 	unknown_ke.code = code;  in sparse_keymap_report_event()