1 // SPDX-License-Identifier: GPL-2.0-or-later
45 	int id;  member
53 static int max34440_read_word_data(struct i2c_client *client, int page,  in max34440_read_word_data()  argument
57 	const struct pmbus_driver_info *info = pmbus_get_driver_info(client);  in max34440_read_word_data()
62 		ret = pmbus_read_word_data(client, page, phase,  in max34440_read_word_data()
66 		ret = pmbus_read_word_data(client, page, phase,  in max34440_read_word_data()
70 		ret = pmbus_read_word_data(client, page, phase,  in max34440_read_word_data()
74 		ret = pmbus_read_word_data(client, page, phase,  in max34440_read_word_data()
78 		if (data->id != max34446 && data->id != max34451)  in max34440_read_word_data()
79 			return -ENXIO;  in max34440_read_word_data()
80 		ret = pmbus_read_word_data(client, page, phase,  in max34440_read_word_data()
84 		ret = pmbus_read_word_data(client, page, phase,  in max34440_read_word_data()
88 		if (data->id != max34446)  in max34440_read_word_data()
89 			return -ENXIO;  in max34440_read_word_data()
90 		ret = pmbus_read_word_data(client, page, phase,  in max34440_read_word_data()
94 		if (data->id != max34446)  in max34440_read_word_data()
95 			return -ENXIO;  in max34440_read_word_data()
96 		ret = pmbus_read_word_data(client, page, phase,  in max34440_read_word_data()
100 		if (data->id != max34446 && data->id != max34460 &&  in max34440_read_word_data()
101 		    data->id != max34461)  in max34440_read_word_data()
102 			return -ENXIO;  in max34440_read_word_data()
103 		ret = pmbus_read_word_data(client, page, phase,  in max34440_read_word_data()
107 		ret = pmbus_read_word_data(client, page, phase,  in max34440_read_word_data()
111 		if (data->id != max34446)  in max34440_read_word_data()
112 			return -ENXIO;  in max34440_read_word_data()
121 		ret = -ENODATA;  in max34440_read_word_data()
127 static int max34440_write_word_data(struct i2c_client *client, int page,  in max34440_write_word_data()  argument
130 	const struct pmbus_driver_info *info = pmbus_get_driver_info(client);  in max34440_write_word_data()
136 		ret = pmbus_write_word_data(client, page, MAX34440_IOUT_OC_FAULT_LIMIT,  in max34440_write_word_data()
140 		ret = pmbus_write_word_data(client, page, MAX34440_IOUT_OC_WARN_LIMIT,  in max34440_write_word_data()
144 		ret = pmbus_write_word_data(client, page,  in max34440_write_word_data()
148 		ret = pmbus_write_word_data(client, page,  in max34440_write_word_data()
152 		ret = pmbus_write_word_data(client, page,  in max34440_write_word_data()
156 		ret = pmbus_write_word_data(client, page,  in max34440_write_word_data()
160 		ret = pmbus_write_word_data(client, page,  in max34440_write_word_data()
162 		if (!ret && (data->id == max34446 || data->id == max34451))  in max34440_write_word_data()
163 			ret = pmbus_write_word_data(client, page,  in max34440_write_word_data()
168 		ret = pmbus_write_word_data(client, page,  in max34440_write_word_data()
171 		if (!ret && data->id == max34446)  in max34440_write_word_data()
172 			ret = pmbus_write_word_data(client, page,  in max34440_write_word_data()
176 		ret = -ENODATA;  in max34440_write_word_data()
182 static int max34440_read_byte_data(struct i2c_client *client, int page, int reg)  in max34440_read_byte_data()  argument
188 		ret = pmbus_set_page(client, page, 0xff);  in max34440_read_byte_data()
195 		mfg_status = pmbus_read_word_data(client, 0, 0xff,  in max34440_read_byte_data()
205 		mfg_status = pmbus_read_word_data(client, 0, 0xff,  in max34440_read_byte_data()
215 		ret = -ENODATA;  in max34440_read_byte_data()
221 static int max34451_set_supported_funcs(struct i2c_client *client,  in max34451_set_supported_funcs()  argument
225 	 * Each of the channel 0-15 can be configured to monitor the following  in max34451_set_supported_funcs()
232 	 * 0x30: General-purpose input active low  in max34451_set_supported_funcs()
233 	 * 0x34: General-purpose input active high  in max34451_set_supported_funcs()
240 		rv = i2c_smbus_write_byte_data(client, PMBUS_PAGE, page);  in max34451_set_supported_funcs()
244 		rv = i2c_smbus_read_word_data(client,  in max34451_set_supported_funcs()
252 			data->info.func[page] = PMBUS_HAVE_VOUT |  in max34451_set_supported_funcs()
256 			data->info.func[page] = PMBUS_HAVE_VOUT;  in max34451_set_supported_funcs()
259 			data->info.func[page] = PMBUS_HAVE_IOUT |  in max34451_set_supported_funcs()
263 			data->info.func[page] = PMBUS_HAVE_IOUT;  in max34451_set_supported_funcs()
410 		/* func 0-15 is set dynamically before probing */
486 static int max34440_probe(struct i2c_client *client)  in max34440_probe()  argument
491 	data = devm_kzalloc(&client->dev, sizeof(struct max34440_data),  in max34440_probe()
494 		return -ENOMEM;  in max34440_probe()
495 	data->id = i2c_match_id(max34440_id, client)->driver_data;  in max34440_probe()
496 	data->info = max34440_info[data->id];  in max34440_probe()
498 	if (data->id == max34451) {  in max34440_probe()
499 		rv = max34451_set_supported_funcs(client, data);  in max34440_probe()
504 	return pmbus_do_probe(client, &data->info);  in max34440_probe()