drivers/hid/hid-input.c

96 #define map_abs(c)	hid_map_usage(hidinput, usage, &bit, &max, EV_ABS, (c))
97 #define map_rel(c)	hid_map_usage(hidinput, usage, &bit, &max, EV_REL, (c))
98 #define map_key(c)	hid_map_usage(hidinput, usage, &bit, &max, EV_KEY, (c))
99 #define map_led(c)	hid_map_usage(hidinput, usage, &bit, &max, EV_LED, (c))
100 #define map_msc(c)	hid_map_usage(hidinput, usage, &bit, &max, EV_MSC, (c))
102 #define map_abs_clear(c)	hid_map_usage_clear(hidinput, usage, &bit, \
104 #define map_key_clear(c)	hid_map_usage_clear(hidinput, usage, &bit, \
689 static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_field *field,
692 	struct input_dev *input = hidinput->input;
699 	field->hidinput = hidinput;
737 		int ret = device->driver->input_mapping(device, hidinput, field,
1370 	    device->driver->input_mapped(device, hidinput, field, usage,
1543 	if (!field->hidinput)
1546 	input = field->hidinput->input;
1744 	struct hid_input *hidinput;
1749 	list_for_each_entry(hidinput, &hid->inputs, list)
1750 		input_sync(hidinput->input);
2012 	struct hid_input *hidinput = kzalloc(sizeof(*hidinput), GFP_KERNEL);
2017 	if (!hidinput || !input_dev)
2073 			hidinput->name = kasprintf(GFP_KERNEL, "%s %s",
2075 			if (!hidinput->name)
2087 	input_dev->name = hidinput->name ? hidinput->name : hid->name;
2096 	hidinput->input = input_dev;
2097 	hidinput->application = application;
2098 	list_add_tail(&hidinput->list, &hid->inputs);
2100 	INIT_LIST_HEAD(&hidinput->reports);
2102 	return hidinput;
2105 	kfree(hidinput);
2111 static bool hidinput_has_been_populated(struct hid_input *hidinput)
2117 		r |= hidinput->input->evbit[i];
2120 		r |= hidinput->input->keybit[i];
2123 		r |= hidinput->input->relbit[i];
2126 		r |= hidinput->input->absbit[i];
2129 		r |= hidinput->input->mscbit[i];
2132 		r |= hidinput->input->ledbit[i];
2135 		r |= hidinput->input->sndbit[i];
2138 		r |= hidinput->input->ffbit[i];
2141 		r |= hidinput->input->swbit[i];
2147 		struct hid_input *hidinput)
2152 	list_del(&hidinput->list);
2153 	input_free_device(hidinput->input);
2154 	kfree(hidinput->name);
2165 				if (report->field[i]->hidinput == hidinput)
2166 					report->field[i]->hidinput = NULL;
2170 	kfree(hidinput);
2176 	struct hid_input *hidinput;
2178 	list_for_each_entry(hidinput, &hid->inputs, list) {
2179 		if (hidinput->report &&
2180 		    hidinput->report->id == report->id)
2181 			return hidinput;
2190 	struct hid_input *hidinput;
2192 	list_for_each_entry(hidinput, &hid->inputs, list) {
2193 		if (hidinput->application == report->application)
2194 			return hidinput;
2202 		    hidinput->application == HID_GD_KEYBOARD) {
2203 			return hidinput;
2210 static inline void hidinput_configure_usages(struct hid_input *hidinput,
2267 			hidinput_configure_usage(hidinput, report->field[i],
2282 	struct hid_input *next, *hidinput = NULL;
2319 			 * Find the previous hidinput report attached
2323 				hidinput = hidinput_match(report);
2326 				hidinput = hidinput_match_application(report);
2328 			if (!hidinput) {
2329 				hidinput = hidinput_allocate(hid, application);
2330 				if (!hidinput)
2334 			hidinput_configure_usages(hidinput, report);
2337 				hidinput->report = report;
2340 				      &hidinput->reports);
2346 	list_for_each_entry_safe(hidinput, next, &hid->inputs, list) {
2348 		    drv->input_configured(hid, hidinput))
2351 		if (!hidinput_has_been_populated(hidinput)) {
2353 			hidinput_cleanup_hidinput(hid, hidinput);
2357 		if (input_register_device(hidinput->input))
2359 		hidinput->registered = true;
2383 	struct hid_input *hidinput, *next;
2387 	list_for_each_entry_safe(hidinput, next, &hid->inputs, list) {
2388 		list_del(&hidinput->list);
2389 		if (hidinput->registered)
2390 			input_unregister_device(hidinput->input);
2392 			input_free_device(hidinput->input);
2393 		kfree(hidinput->name);
2394 		kfree(hidinput);