283 static int acpi_pcc_write_sset(struct pcc_acpi *pcc, int func, int val)  in acpi_pcc_write_sset()  argument
297 	status = acpi_evaluate_object(pcc->handle, METHOD_HKEY_SSET,  in acpi_pcc_write_sset()
318 static int acpi_pcc_retrieve_biosdata(struct pcc_acpi *pcc)  in acpi_pcc_retrieve_biosdata()  argument
325 	status = acpi_evaluate_object(pcc->handle, METHOD_HKEY_SINF, NULL,  in acpi_pcc_retrieve_biosdata()
339 	if (pcc->num_sifr < hkey->package.count) {  in acpi_pcc_retrieve_biosdata()
348 			pcc->sinf[i] = element->integer.value;  in acpi_pcc_retrieve_biosdata()
352 	pcc->sinf[hkey->package.count] = -1;  in acpi_pcc_retrieve_biosdata()
368 	struct pcc_acpi *pcc = bl_get_data(bd);  in bl_get()  local
370 	if (!acpi_pcc_retrieve_biosdata(pcc))  in bl_get()
373 	return pcc->sinf[SINF_AC_CUR_BRIGHT];  in bl_get()
378 	struct pcc_acpi *pcc = bl_get_data(bd);  in bl_set_status()  local
382 	if (!acpi_pcc_retrieve_biosdata(pcc))  in bl_set_status()
385 	if (bright < pcc->sinf[SINF_AC_MIN_BRIGHT])  in bl_set_status()
386 		bright = pcc->sinf[SINF_AC_MIN_BRIGHT];  in bl_set_status()
388 	if (bright < pcc->sinf[SINF_DC_MIN_BRIGHT])  in bl_set_status()
389 		bright = pcc->sinf[SINF_DC_MIN_BRIGHT];  in bl_set_status()
391 	if (bright < pcc->sinf[SINF_AC_MIN_BRIGHT] ||  in bl_set_status()
392 	    bright > pcc->sinf[SINF_AC_MAX_BRIGHT])  in bl_set_status()
395 	rc = acpi_pcc_write_sset(pcc, SINF_AC_CUR_BRIGHT, bright);  in bl_set_status()
399 	return acpi_pcc_write_sset(pcc, SINF_DC_CUR_BRIGHT, bright);  in bl_set_status()
506 	struct pcc_acpi *pcc = acpi_driver_data(acpi);  in numbatt_show()  local
508 	if (!acpi_pcc_retrieve_biosdata(pcc))  in numbatt_show()
511 	return sysfs_emit(buf, "%u\n", pcc->sinf[SINF_NUM_BATTERIES]);  in numbatt_show()
518 	struct pcc_acpi *pcc = acpi_driver_data(acpi);  in lcdtype_show()  local
520 	if (!acpi_pcc_retrieve_biosdata(pcc))  in lcdtype_show()
523 	return sysfs_emit(buf, "%u\n", pcc->sinf[SINF_LCD_TYPE]);  in lcdtype_show()
530 	struct pcc_acpi *pcc = acpi_driver_data(acpi);  in mute_show()  local
532 	if (!acpi_pcc_retrieve_biosdata(pcc))  in mute_show()
535 	return sysfs_emit(buf, "%u\n", pcc->sinf[SINF_MUTE]);  in mute_show()
542 	struct pcc_acpi *pcc = acpi_driver_data(acpi);  in mute_store()  local
549 		acpi_pcc_write_sset(pcc, SINF_MUTE, val);  in mute_store()
550 		pcc->mute = val;  in mute_store()
560 	struct pcc_acpi *pcc = acpi_driver_data(acpi);  in sticky_key_show()  local
562 	if (!acpi_pcc_retrieve_biosdata(pcc))  in sticky_key_show()
565 	return sysfs_emit(buf, "%u\n", pcc->sticky_key);  in sticky_key_show()
572 	struct pcc_acpi *pcc = acpi_driver_data(acpi);  in sticky_key_store()  local
579 		acpi_pcc_write_sset(pcc, SINF_STICKY_KEY, val);  in sticky_key_store()
580 		pcc->sticky_key = val;  in sticky_key_store()
590 	struct pcc_acpi *pcc = acpi_driver_data(acpi);  in eco_mode_show()  local
593 	if (!acpi_pcc_retrieve_biosdata(pcc))  in eco_mode_show()
596 	switch (pcc->sinf[SINF_ECO_MODE]) {  in eco_mode_show()
614 	struct pcc_acpi *pcc = acpi_driver_data(acpi);  in eco_mode_store()  local
634 		pcc->sinf[SINF_ECO_MODE] = 0;  in eco_mode_store()
635 		pcc->eco_mode = 0;  in eco_mode_store()
639 		pcc->sinf[SINF_ECO_MODE] = 1;  in eco_mode_store()
640 		pcc->eco_mode = 1;  in eco_mode_store()
661 	struct pcc_acpi *pcc = acpi_driver_data(acpi);  in ac_brightness_show()  local
663 	if (!acpi_pcc_retrieve_biosdata(pcc))  in ac_brightness_show()
666 	return sysfs_emit(buf, "%u\n", pcc->sinf[SINF_AC_CUR_BRIGHT]);  in ac_brightness_show()
673 	struct pcc_acpi *pcc = acpi_driver_data(acpi);  in ac_brightness_store()  local
680 		acpi_pcc_write_sset(pcc, SINF_AC_CUR_BRIGHT, val);  in ac_brightness_store()
681 		pcc->ac_brightness = val;  in ac_brightness_store()
691 	struct pcc_acpi *pcc = acpi_driver_data(acpi);  in dc_brightness_show()  local
693 	if (!acpi_pcc_retrieve_biosdata(pcc))  in dc_brightness_show()
696 	return sysfs_emit(buf, "%u\n", pcc->sinf[SINF_DC_CUR_BRIGHT]);  in dc_brightness_show()
703 	struct pcc_acpi *pcc = acpi_driver_data(acpi);  in dc_brightness_store()  local
710 		acpi_pcc_write_sset(pcc, SINF_DC_CUR_BRIGHT, val);  in dc_brightness_store()
711 		pcc->dc_brightness = val;  in dc_brightness_store()
721 	struct pcc_acpi *pcc = acpi_driver_data(acpi);  in current_brightness_show()  local
723 	if (!acpi_pcc_retrieve_biosdata(pcc))  in current_brightness_show()
726 	return sysfs_emit(buf, "%u\n", pcc->sinf[SINF_CUR_BRIGHT]);  in current_brightness_show()
733 	struct pcc_acpi *pcc = acpi_driver_data(acpi);  in current_brightness_store()  local
741 		err = acpi_pcc_write_sset(pcc, SINF_CUR_BRIGHT, val);  in current_brightness_store()
742 		pcc->current_brightness = val;  in current_brightness_store()
798 static void acpi_pcc_generate_keyinput(struct pcc_acpi *pcc)  in acpi_pcc_generate_keyinput()  argument
800 	struct input_dev *hotk_input_dev = pcc->input_dev;  in acpi_pcc_generate_keyinput()
806 	rc = acpi_evaluate_integer(pcc->handle, METHOD_HKEY_QUERY,  in acpi_pcc_generate_keyinput()
838 	struct pcc_acpi *pcc = acpi_driver_data(device);  in acpi_pcc_hotkey_notify()  local
842 		acpi_pcc_generate_keyinput(pcc);  in acpi_pcc_hotkey_notify()
858 static int pcc_register_optd_notifier(struct pcc_acpi *pcc, char *node)  in pcc_register_optd_notifier()  argument
868 				pcc_optd_notify, pcc);  in pcc_register_optd_notifier()
877 static void pcc_unregister_optd_notifier(struct pcc_acpi *pcc, char *node)  in pcc_unregister_optd_notifier()  argument
894 static int acpi_pcc_init_input(struct pcc_acpi *pcc)  in acpi_pcc_init_input()  argument
922 	pcc->input_dev = input_dev;  in acpi_pcc_init_input()
935 	struct pcc_acpi *pcc;  in acpi_pcc_hotkey_resume()  local
940 	pcc = acpi_driver_data(to_acpi_device(dev));  in acpi_pcc_hotkey_resume()
941 	if (!pcc)  in acpi_pcc_hotkey_resume()
944 	acpi_pcc_write_sset(pcc, SINF_MUTE, pcc->mute);  in acpi_pcc_hotkey_resume()
945 	acpi_pcc_write_sset(pcc, SINF_ECO_MODE, pcc->eco_mode);  in acpi_pcc_hotkey_resume()
946 	acpi_pcc_write_sset(pcc, SINF_STICKY_KEY, pcc->sticky_key);  in acpi_pcc_hotkey_resume()
947 	acpi_pcc_write_sset(pcc, SINF_AC_CUR_BRIGHT, pcc->ac_brightness);  in acpi_pcc_hotkey_resume()
948 	acpi_pcc_write_sset(pcc, SINF_DC_CUR_BRIGHT, pcc->dc_brightness);  in acpi_pcc_hotkey_resume()
949 	acpi_pcc_write_sset(pcc, SINF_CUR_BRIGHT, pcc->current_brightness);  in acpi_pcc_hotkey_resume()
958 	struct pcc_acpi *pcc;  in acpi_pcc_hotkey_add()  local
971 	pcc = kzalloc(sizeof(struct pcc_acpi), GFP_KERNEL);  in acpi_pcc_hotkey_add()
972 	if (!pcc) {  in acpi_pcc_hotkey_add()
977 	pcc->sinf = kcalloc(num_sifr + 1, sizeof(u32), GFP_KERNEL);  in acpi_pcc_hotkey_add()
978 	if (!pcc->sinf) {  in acpi_pcc_hotkey_add()
983 	pcc->device = device;  in acpi_pcc_hotkey_add()
984 	pcc->handle = device->handle;  in acpi_pcc_hotkey_add()
985 	pcc->num_sifr = num_sifr;  in acpi_pcc_hotkey_add()
986 	device->driver_data = pcc;  in acpi_pcc_hotkey_add()
990 	result = acpi_pcc_init_input(pcc);  in acpi_pcc_hotkey_add()
996 	if (!acpi_pcc_retrieve_biosdata(pcc)) {  in acpi_pcc_hotkey_add()
1006 		props.max_brightness = pcc->sinf[SINF_AC_MAX_BRIGHT];  in acpi_pcc_hotkey_add()
1008 		pcc->backlight = backlight_device_register("panasonic", NULL, pcc,  in acpi_pcc_hotkey_add()
1010 		if (IS_ERR(pcc->backlight)) {  in acpi_pcc_hotkey_add()
1011 			result = PTR_ERR(pcc->backlight);  in acpi_pcc_hotkey_add()
1016 		pcc->backlight->props.brightness = pcc->sinf[SINF_AC_CUR_BRIGHT];  in acpi_pcc_hotkey_add()
1020 	acpi_pcc_write_sset(pcc, SINF_STICKY_KEY, 0);  in acpi_pcc_hotkey_add()
1021 	pcc->sticky_key = 0;  in acpi_pcc_hotkey_add()
1023 	pcc->eco_mode = pcc->sinf[SINF_ECO_MODE];  in acpi_pcc_hotkey_add()
1024 	pcc->mute = pcc->sinf[SINF_MUTE];  in acpi_pcc_hotkey_add()
1025 	pcc->ac_brightness = pcc->sinf[SINF_AC_CUR_BRIGHT];  in acpi_pcc_hotkey_add()
1026 	pcc->dc_brightness = pcc->sinf[SINF_DC_CUR_BRIGHT];  in acpi_pcc_hotkey_add()
1027 	pcc->current_brightness = pcc->sinf[SINF_CUR_BRIGHT];  in acpi_pcc_hotkey_add()
1036 		pcc->platform = platform_device_register_simple("panasonic",  in acpi_pcc_hotkey_add()
1038 		if (IS_ERR(pcc->platform)) {  in acpi_pcc_hotkey_add()
1039 			result = PTR_ERR(pcc->platform);  in acpi_pcc_hotkey_add()
1042 		result = device_create_file(&pcc->platform->dev,  in acpi_pcc_hotkey_add()
1044 		pcc_register_optd_notifier(pcc, "\\_SB.PCI0.EHCI.ERHB.OPTD");  in acpi_pcc_hotkey_add()
1048 		pcc->platform = NULL;  in acpi_pcc_hotkey_add()
1055 	platform_device_unregister(pcc->platform);  in acpi_pcc_hotkey_add()
1057 	backlight_device_unregister(pcc->backlight);  in acpi_pcc_hotkey_add()
1059 	input_unregister_device(pcc->input_dev);  in acpi_pcc_hotkey_add()
1061 	kfree(pcc->sinf);  in acpi_pcc_hotkey_add()
1063 	kfree(pcc);  in acpi_pcc_hotkey_add()
1070 	struct pcc_acpi *pcc = acpi_driver_data(device);  in acpi_pcc_hotkey_remove()  local
1072 	if (!device || !pcc)  in acpi_pcc_hotkey_remove()
1077 	if (pcc->platform) {  in acpi_pcc_hotkey_remove()
1078 		device_remove_file(&pcc->platform->dev, &dev_attr_cdpower);  in acpi_pcc_hotkey_remove()
1079 		platform_device_unregister(pcc->platform);  in acpi_pcc_hotkey_remove()
1081 	pcc_unregister_optd_notifier(pcc, "\\_SB.PCI0.EHCI.ERHB.OPTD");  in acpi_pcc_hotkey_remove()
1085 	backlight_device_unregister(pcc->backlight);  in acpi_pcc_hotkey_remove()
1087 	input_unregister_device(pcc->input_dev);  in acpi_pcc_hotkey_remove()
1089 	kfree(pcc->sinf);  in acpi_pcc_hotkey_remove()
1090 	kfree(pcc);  in acpi_pcc_hotkey_remove()