1 // SPDX-License-Identifier: GPL-2.0-or-later
3  * Hardware monitoring driver for FSP 3Y-Power PSUs
56 		return -EINVAL;  in page_log_to_page_real()
66 		return -EINVAL;  in page_log_to_page_real()
69 	return -EINVAL;  in page_log_to_page_real()
82 	page_real = page_log_to_page_real(page_log, data->chip);  in set_page()
86 	if (data->page != page_real) {  in set_page()
91 		data->page = page_real;  in set_page()
113 	 * Inject an exponent for non-compliant YH5151-E.  in fsp3y_read_byte_data()
115 	if (data->vout_linear_11 && reg == PMBUS_VOUT_MODE)  in fsp3y_read_byte_data()
152 		return -ENXIO;  in fsp3y_read_word_data()
164 	 * Handle YH-5151E non-compliant linear11 vout voltage.  in fsp3y_read_word_data()
166 	if (data->vout_linear_11 && reg == PMBUS_READ_VOUT)  in fsp3y_read_word_data()
215 		if (!strcmp(buf, "YM-2151E"))  in fsp3y_detect()
217 		else if (!strcmp(buf, "YH-5151E"))  in fsp3y_detect()
221 	dev_err(&client->dev, "Unsupported model %.*s\n", rv, buf);  in fsp3y_detect()
222 	return -ENODEV;  in fsp3y_detect()
237 	data = devm_kzalloc(&client->dev, sizeof(struct fsp3y_data), GFP_KERNEL);  in fsp3y_probe()
239 		return -ENOMEM;  in fsp3y_probe()
241 	data->chip = fsp3y_detect(client);  in fsp3y_probe()
242 	if (data->chip < 0)  in fsp3y_probe()
243 		return data->chip;  in fsp3y_probe()
246 	if (data->chip != id->driver_data)  in fsp3y_probe()
247 		dev_warn(&client->dev, "Device mismatch: Configured %s (%d), detected %d\n",  in fsp3y_probe()
248 			 id->name, (int)id->driver_data, data->chip);  in fsp3y_probe()
253 	data->page = rv;  in fsp3y_probe()
255 	data->info = fsp3y_info[data->chip];  in fsp3y_probe()
258 	 * YH-5151E sometimes reports vout in linear11 and sometimes in  in fsp3y_probe()
260 	 * YH-5151E can use linear16 and another might use linear11 instead.  in fsp3y_probe()
262 	 * The format can be recognized by reading VOUT_MODE - if it doesn't  in fsp3y_probe()
264 	 * device is compliant and uses linear16.  in fsp3y_probe()
266 	data->vout_linear_11 = false;  in fsp3y_probe()
267 	if (data->chip == yh5151e) {  in fsp3y_probe()
273 			data->vout_linear_11 = true;  in fsp3y_probe()
276 	return pmbus_do_probe(client, &data->info);  in fsp3y_probe()
292 MODULE_DESCRIPTION("PMBus driver for FSP/3Y-Power power supplies");