1 // SPDX-License-Identifier: GPL-2.0-or-later
33 /* GPIO CONFIG bits */
82 	if (data->fan_data[fan][3] & 1)  in ucd9000_get_fan_config()
86 	fan_config |= (data->fan_data[fan][3] & 0x06) >> 1;  in ucd9000_get_fan_config()
99 			return -ENXIO;  in ucd9000_read_byte_data()
113 			return -ENXIO;  in ucd9000_read_byte_data()
126 		ret = -ENODATA;  in ucd9000_read_byte_data()
211 		dev_dbg(&client->dev, "failed to read GPIO %d config: %d\n",  in ucd9000_gpio_set()
233 		dev_dbg(&client->dev, "Failed to write GPIO %d config: %d\n",  in ucd9000_gpio_set()
242 		dev_dbg(&client->dev, "Failed to write GPIO %d config: %d\n",  in ucd9000_gpio_set()
264 	int ret, config, out_val;  in ucd9000_gpio_set_direction()  local
293 	config = ret;  in ucd9000_gpio_set_direction()
296 	ret = i2c_smbus_write_byte_data(client, UCD9000_GPIO_CONFIG, config);  in ucd9000_gpio_set_direction()
300 	config &= ~UCD9000_GPIO_CONFIG_ENABLE;  in ucd9000_gpio_set_direction()
302 	return i2c_smbus_write_byte_data(client, UCD9000_GPIO_CONFIG, config);  in ucd9000_gpio_set_direction()
324 	switch (mid->driver_data) {  in ucd9000_probe_gpio()
326 		data->gpio.ngpio = UCD9090_NUM_GPIOS;  in ucd9000_probe_gpio()
331 		data->gpio.ngpio = UCD901XX_NUM_GPIOS;  in ucd9000_probe_gpio()
334 		data->gpio.ngpio = UCD90320_NUM_GPIOS;  in ucd9000_probe_gpio()
337 		data->gpio.ngpio = UCD90910_NUM_GPIOS;  in ucd9000_probe_gpio()
348 	data->gpio.label = client->name;  in ucd9000_probe_gpio()
349 	data->gpio.get_direction = ucd9000_gpio_get_direction;  in ucd9000_probe_gpio()
350 	data->gpio.direction_input = ucd9000_gpio_direction_input;  in ucd9000_probe_gpio()
351 	data->gpio.direction_output = ucd9000_gpio_direction_output;  in ucd9000_probe_gpio()
352 	data->gpio.get = ucd9000_gpio_get;  in ucd9000_probe_gpio()
353 	data->gpio.set = ucd9000_gpio_set;  in ucd9000_probe_gpio()
354 	data->gpio.can_sleep = true;  in ucd9000_probe_gpio()
355 	data->gpio.base = -1;  in ucd9000_probe_gpio()
356 	data->gpio.parent = &client->dev;  in ucd9000_probe_gpio()
358 	rc = devm_gpiochip_add_data(&client->dev, &data->gpio, client);  in ucd9000_probe_gpio()
360 		dev_warn(&client->dev, "Could not add gpiochip: %d\n", rc);  in ucd9000_probe_gpio()
384 	struct i2c_client *client = entry->client;  in ucd9000_debugfs_show_mfr_status_bit()
393 	 * GPI fault bits are in sets of 8, two bytes from end of response.  in ucd9000_debugfs_show_mfr_status_bit()
395 	i = ret - 3 - entry->index / 8;  in ucd9000_debugfs_show_mfr_status_bit()
397 		*val = !!(buffer[i] & BIT(entry->index % 8));  in ucd9000_debugfs_show_mfr_status_bit()
408 	struct i2c_client *client = file->private_data;  in ucd9000_debugfs_read_mfr_status()
422 	return simple_read_from_buffer(buf, count, ppos, str, res - str);  in ucd9000_debugfs_read_mfr_status()
442 		return -ENOENT;  in ucd9000_init_debugfs()
444 	data->debugfs = debugfs_create_dir(client->name, debugfs);  in ucd9000_init_debugfs()
445 	if (!data->debugfs)  in ucd9000_init_debugfs()
446 		return -ENOENT;  in ucd9000_init_debugfs()
450 	 * UCD90320, and UCD90910 report GPI faults in their MFR_STATUS  in ucd9000_init_debugfs()
451 	 * register, so only create the GPI fault debugfs attributes for those  in ucd9000_init_debugfs()
454 	if (mid->driver_data == ucd9090 || mid->driver_data == ucd90160 ||  in ucd9000_init_debugfs()
455 	    mid->driver_data == ucd90320 || mid->driver_data == ucd90910) {  in ucd9000_init_debugfs()
456 		gpi_count = mid->driver_data == ucd90320 ? UCD90320_GPI_COUNT  in ucd9000_init_debugfs()
458 		entries = devm_kcalloc(&client->dev,  in ucd9000_init_debugfs()
462 			return -ENOMEM;  in ucd9000_init_debugfs()
468 				  "gpi%d_alarm", i + 1);  in ucd9000_init_debugfs()
469 			debugfs_create_file(name, 0444, data->debugfs,  in ucd9000_init_debugfs()
476 	debugfs_create_file(name, 0444, data->debugfs, client,  in ucd9000_init_debugfs()
499 	if (!i2c_check_functionality(client->adapter,  in ucd9000_probe()
502 		return -ENODEV;  in ucd9000_probe()
507 		dev_err(&client->dev, "Failed to read device ID\n");  in ucd9000_probe()
511 	dev_info(&client->dev, "Device ID %s\n", block_buffer);  in ucd9000_probe()
513 	for (mid = ucd9000_id; mid->name[0]; mid++) {  in ucd9000_probe()
514 		if (!strncasecmp(mid->name, block_buffer, strlen(mid->name)))  in ucd9000_probe()
517 	if (!mid->name[0]) {  in ucd9000_probe()
518 		dev_err(&client->dev, "Unsupported device\n");  in ucd9000_probe()
519 		return -ENODEV;  in ucd9000_probe()
522 	if (client->dev.of_node)  in ucd9000_probe()
523 		chip = (enum chips)of_device_get_match_data(&client->dev);  in ucd9000_probe()
525 		chip = mid->driver_data;  in ucd9000_probe()
527 	if (chip != ucd9000 && strcmp(client->name, mid->name) != 0)  in ucd9000_probe()
528 		dev_notice(&client->dev,  in ucd9000_probe()
530 			   client->name, mid->name);  in ucd9000_probe()
532 	data = devm_kzalloc(&client->dev, sizeof(struct ucd9000_data),  in ucd9000_probe()
535 		return -ENOMEM;  in ucd9000_probe()
536 	info = &data->info;  in ucd9000_probe()
540 		dev_err(&client->dev,  in ucd9000_probe()
544 	info->pages = ret;  in ucd9000_probe()
545 	if (!info->pages) {  in ucd9000_probe()
546 		dev_err(&client->dev, "No pages configured\n");  in ucd9000_probe()
547 		return -ENODEV;  in ucd9000_probe()
551 	info->func[0] = PMBUS_HAVE_TEMP;  in ucd9000_probe()
557 		dev_err(&client->dev, "Failed to read configuration data\n");  in ucd9000_probe()
558 		return -ENODEV;  in ucd9000_probe()
563 		if (page >= info->pages)  in ucd9000_probe()
569 			info->func[page] |= PMBUS_HAVE_VOUT  in ucd9000_probe()
573 			info->func[page] |= PMBUS_HAVE_TEMP2  in ucd9000_probe()
577 			info->func[page] |= PMBUS_HAVE_IOUT  in ucd9000_probe()
586 	if (mid->driver_data == ucd90124) {  in ucd9000_probe()
592 							data->fan_data[i]);  in ucd9000_probe()
598 		info->read_byte_data = ucd9000_read_byte_data;  in ucd9000_probe()
599 		info->func[0] |= PMBUS_HAVE_FAN12 | PMBUS_HAVE_STATUS_FAN12  in ucd9000_probe()
611 		dev_warn(&client->dev, "Failed to register debugfs: %d\n",  in ucd9000_probe()