[mirror_ubuntu-artful-kernel.git] / drivers / hwmon / pmbus / adm1275.c

/*
 * Hardware monitoring driver for Analog Devices ADM1275 Hot-Swap Controller
 * and Digital Power Monitor
 *
 * Copyright (c) 2011 Ericsson AB.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 */

#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/err.h>
#include <linux/slab.h>
#include <linux/i2c.h>
#include "pmbus.h"

enum chips { adm1275, adm1276 };

#define ADM1275_PEAK_IOUT		0xd0
#define ADM1275_PEAK_VIN		0xd1
#define ADM1275_PEAK_VOUT		0xd2
#define ADM1275_PMON_CONFIG		0xd4

#define ADM1275_VIN_VOUT_SELECT		(1 << 6)
#define ADM1275_VRANGE			(1 << 5)

#define ADM1275_IOUT_WARN2_LIMIT	0xd7
#define ADM1275_DEVICE_CONFIG		0xd8

#define ADM1275_IOUT_WARN2_SELECT	(1 << 4)

#define ADM1276_PEAK_PIN		0xda

#define ADM1275_MFR_STATUS_IOUT_WARN2	(1 << 0)

struct adm1275_data {
	int id;
	bool have_oc_fault;
	struct pmbus_driver_info info;
};

#define to_adm1275_data(x)  container_of(x, struct adm1275_data, info)

static int adm1275_read_word_data(struct i2c_client *client, int page, int reg)
{
	const struct pmbus_driver_info *info = pmbus_get_driver_info(client);
	const struct adm1275_data *data = to_adm1275_data(info);
	int ret = 0;

	if (page)
		return -ENXIO;

	switch (reg) {
	case PMBUS_IOUT_UC_FAULT_LIMIT:
		if (data->have_oc_fault) {
			ret = -ENXIO;
			break;
		}
		ret = pmbus_read_word_data(client, 0, ADM1275_IOUT_WARN2_LIMIT);
		break;
	case PMBUS_IOUT_OC_FAULT_LIMIT:
		if (!data->have_oc_fault) {
			ret = -ENXIO;
			break;
		}
		ret = pmbus_read_word_data(client, 0, ADM1275_IOUT_WARN2_LIMIT);
		break;
	case PMBUS_VIRT_READ_IOUT_MAX:
		ret = pmbus_read_word_data(client, 0, ADM1275_PEAK_IOUT);
		break;
	case PMBUS_VIRT_READ_VOUT_MAX:
		ret = pmbus_read_word_data(client, 0, ADM1275_PEAK_VOUT);
		break;
	case PMBUS_VIRT_READ_VIN_MAX:
		ret = pmbus_read_word_data(client, 0, ADM1275_PEAK_VIN);
		break;
	case PMBUS_VIRT_READ_PIN_MAX:
		if (data->id != adm1276) {
			ret = -ENXIO;
			break;
		}
		ret = pmbus_read_word_data(client, 0, ADM1276_PEAK_PIN);
		break;
	case PMBUS_VIRT_RESET_IOUT_HISTORY:
	case PMBUS_VIRT_RESET_VOUT_HISTORY:
	case PMBUS_VIRT_RESET_VIN_HISTORY:
		break;
	case PMBUS_VIRT_RESET_PIN_HISTORY:
		if (data->id != adm1276)
			ret = -ENXIO;
		break;
	default:
		ret = -ENODATA;
		break;
	}
	return ret;
}

static int adm1275_write_word_data(struct i2c_client *client, int page, int reg,
				   u16 word)
{
	int ret;

	if (page)
		return -ENXIO;

	switch (reg) {
	case PMBUS_IOUT_UC_FAULT_LIMIT:
	case PMBUS_IOUT_OC_FAULT_LIMIT:
		ret = pmbus_write_word_data(client, 0, ADM1275_IOUT_WARN2_LIMIT,
					    word);
		break;
	case PMBUS_VIRT_RESET_IOUT_HISTORY:
		ret = pmbus_write_word_data(client, 0, ADM1275_PEAK_IOUT, 0);
		break;
	case PMBUS_VIRT_RESET_VOUT_HISTORY:
		ret = pmbus_write_word_data(client, 0, ADM1275_PEAK_VOUT, 0);
		break;
	case PMBUS_VIRT_RESET_VIN_HISTORY:
		ret = pmbus_write_word_data(client, 0, ADM1275_PEAK_VIN, 0);
		break;
	case PMBUS_VIRT_RESET_PIN_HISTORY:
		ret = pmbus_write_word_data(client, 0, ADM1276_PEAK_PIN, 0);
		break;
	default:
		ret = -ENODATA;
		break;
	}
	return ret;
}

static int adm1275_read_byte_data(struct i2c_client *client, int page, int reg)
{
	const struct pmbus_driver_info *info = pmbus_get_driver_info(client);
	const struct adm1275_data *data = to_adm1275_data(info);
	int mfr_status, ret;

	if (page > 0)
		return -ENXIO;

	switch (reg) {
	case PMBUS_STATUS_IOUT:
		ret = pmbus_read_byte_data(client, page, PMBUS_STATUS_IOUT);
		if (ret < 0)
			break;
		mfr_status = pmbus_read_byte_data(client, page,
						  PMBUS_STATUS_MFR_SPECIFIC);
		if (mfr_status < 0) {
			ret = mfr_status;
			break;
		}
		if (mfr_status & ADM1275_MFR_STATUS_IOUT_WARN2) {
			ret |= data->have_oc_fault ?
			  PB_IOUT_OC_FAULT : PB_IOUT_UC_FAULT;
		}
		break;
	default:
		ret = -ENODATA;
		break;
	}
	return ret;
}

static const struct i2c_device_id adm1275_id[] = {
	{ "adm1275", adm1275 },
	{ "adm1276", adm1276 },
	{ }
};
MODULE_DEVICE_TABLE(i2c, adm1275_id);

static int adm1275_probe(struct i2c_client *client,
			 const struct i2c_device_id *id)
{
	u8 block_buffer[I2C_SMBUS_BLOCK_MAX + 1];
	int config, device_config;
	int ret;
	struct pmbus_driver_info *info;
	struct adm1275_data *data;
	const struct i2c_device_id *mid;

	if (!i2c_check_functionality(client->adapter,
				     I2C_FUNC_SMBUS_READ_BYTE_DATA
				     | I2C_FUNC_SMBUS_BLOCK_DATA))
		return -ENODEV;

	ret = i2c_smbus_read_block_data(client, PMBUS_MFR_ID, block_buffer);
	if (ret < 0) {
		dev_err(&client->dev, "Failed to read Manufacturer ID\n");
		return ret;
	}
	if (ret != 3 || strncmp(block_buffer, "ADI", 3)) {
		dev_err(&client->dev, "Unsupported Manufacturer ID\n");
		return -ENODEV;
	}

	ret = i2c_smbus_read_block_data(client, PMBUS_MFR_MODEL, block_buffer);
	if (ret < 0) {
		dev_err(&client->dev, "Failed to read Manufacturer Model\n");
		return ret;
	}
	for (mid = adm1275_id; mid->name[0]; mid++) {
		if (!strncasecmp(mid->name, block_buffer, strlen(mid->name)))
			break;
	}
	if (!mid->name[0]) {
		dev_err(&client->dev, "Unsupported device\n");
		return -ENODEV;
	}

	if (id->driver_data != mid->driver_data)
		dev_notice(&client->dev,
			   "Device mismatch: Configured %s, detected %s\n",
			   id->name, mid->name);

	config = i2c_smbus_read_byte_data(client, ADM1275_PMON_CONFIG);
	if (config < 0)
		return config;

	device_config = i2c_smbus_read_byte_data(client, ADM1275_DEVICE_CONFIG);
	if (device_config < 0)
		return device_config;

	data = kzalloc(sizeof(struct adm1275_data), GFP_KERNEL);
	if (!data)
		return -ENOMEM;

	data->id = mid->driver_data;

	info = &data->info;

	info->pages = 1;
	info->format[PSC_VOLTAGE_IN] = direct;
	info->format[PSC_VOLTAGE_OUT] = direct;
	info->format[PSC_CURRENT_OUT] = direct;
	info->m[PSC_CURRENT_OUT] = 807;
	info->b[PSC_CURRENT_OUT] = 20475;
	info->R[PSC_CURRENT_OUT] = -1;
	info->func[0] = PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT;

	info->read_word_data = adm1275_read_word_data;
	info->read_byte_data = adm1275_read_byte_data;
	info->write_word_data = adm1275_write_word_data;

	if (config & ADM1275_VRANGE) {
		info->m[PSC_VOLTAGE_IN] = 19199;
		info->b[PSC_VOLTAGE_IN] = 0;
		info->R[PSC_VOLTAGE_IN] = -2;
		info->m[PSC_VOLTAGE_OUT] = 19199;
		info->b[PSC_VOLTAGE_OUT] = 0;
		info->R[PSC_VOLTAGE_OUT] = -2;
	} else {
		info->m[PSC_VOLTAGE_IN] = 6720;
		info->b[PSC_VOLTAGE_IN] = 0;
		info->R[PSC_VOLTAGE_IN] = -1;
		info->m[PSC_VOLTAGE_OUT] = 6720;
		info->b[PSC_VOLTAGE_OUT] = 0;
		info->R[PSC_VOLTAGE_OUT] = -1;
	}

	if (device_config & ADM1275_IOUT_WARN2_SELECT)
		data->have_oc_fault = true;

	switch (data->id) {
	case adm1275:
		if (config & ADM1275_VIN_VOUT_SELECT)
			info->func[0] |=
			  PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT;
		else
			info->func[0] |=
			  PMBUS_HAVE_VIN | PMBUS_HAVE_STATUS_INPUT;
		break;
	case adm1276:
		info->format[PSC_POWER] = direct;
		info->func[0] |= PMBUS_HAVE_VIN | PMBUS_HAVE_PIN
		  | PMBUS_HAVE_STATUS_INPUT;
		if (config & ADM1275_VIN_VOUT_SELECT)
			info->func[0] |=
			  PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT;
		if (config & ADM1275_VRANGE) {
			info->m[PSC_POWER] = 6043;
			info->b[PSC_POWER] = 0;
			info->R[PSC_POWER] = -2;
		} else {
			info->m[PSC_POWER] = 2115;
			info->b[PSC_POWER] = 0;
			info->R[PSC_POWER] = -1;
		}
		break;
	}

	ret = pmbus_do_probe(client, id, info);
	if (ret)
		goto err_mem;
	return 0;

err_mem:
	kfree(data);
	return ret;
}

static int adm1275_remove(struct i2c_client *client)
{
	const struct pmbus_driver_info *info = pmbus_get_driver_info(client);
	const struct adm1275_data *data = to_adm1275_data(info);

	pmbus_do_remove(client);
	kfree(data);
	return 0;
}

static struct i2c_driver adm1275_driver = {
	.driver = {
		   .name = "adm1275",
		   },
	.probe = adm1275_probe,
	.remove = adm1275_remove,
	.id_table = adm1275_id,
};

static int __init adm1275_init(void)
{
	return i2c_add_driver(&adm1275_driver);
}

static void __exit adm1275_exit(void)
{
	i2c_del_driver(&adm1275_driver);
}

MODULE_AUTHOR("Guenter Roeck");
MODULE_DESCRIPTION("PMBus driver for Analog Devices ADM1275 and compatibles");
MODULE_LICENSE("GPL");
module_init(adm1275_init);
module_exit(adm1275_exit);
Commit	Line	Data
83f7649c GR	1	/*
	2	* Hardware monitoring driver for Analog Devices ADM1275 Hot-Swap Controller
	3	* and Digital Power Monitor
	4	*
	5	* Copyright (c) 2011 Ericsson AB.
	6	*
	7	* This program is free software; you can redistribute it and/or modify
	8	* it under the terms of the GNU General Public License as published by
	9	* the Free Software Foundation; either version 2 of the License, or
	10	* (at your option) any later version.
	11	*
	12	* This program is distributed in the hope that it will be useful,
	13	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	15	* GNU General Public License for more details.
	16	*/
	17
	18	#include <linux/kernel.h>
	19	#include <linux/module.h>
	20	#include <linux/init.h>
	21	#include <linux/err.h>
	22	#include <linux/slab.h>
	23	#include <linux/i2c.h>
	24	#include "pmbus.h"
	25
5cf231a3 GR	26	enum chips { adm1275, adm1276 };
5cf231a3 GR	27
c576e30c GR	28	#define ADM1275_PEAK_IOUT 0xd0
	29	#define ADM1275_PEAK_VIN 0xd1
	30	#define ADM1275_PEAK_VOUT 0xd2
83f7649c GR	31	#define ADM1275_PMON_CONFIG 0xd4
	32
	33	#define ADM1275_VIN_VOUT_SELECT (1 << 6)
	34	#define ADM1275_VRANGE (1 << 5)
	35
c5e67636 GR	36	#define ADM1275_IOUT_WARN2_LIMIT 0xd7
	37	#define ADM1275_DEVICE_CONFIG 0xd8
	38
	39	#define ADM1275_IOUT_WARN2_SELECT (1 << 4)
	40
5cf231a3 GR	41	#define ADM1276_PEAK_PIN 0xda
5cf231a3 GR	42
c5e67636 GR	43	#define ADM1275_MFR_STATUS_IOUT_WARN2 (1 << 0)
	44
	45	struct adm1275_data {
5cf231a3	46	int id;
c5e67636 GR	47	bool have_oc_fault;
	48	struct pmbus_driver_info info;
	49	};
	50
	51	#define to_adm1275_data(x) container_of(x, struct adm1275_data, info)
	52
c576e30c GR	53	static int adm1275_read_word_data(struct i2c_client *client, int page, int reg)
c576e30c GR	54	{
c5e67636 GR	55	const struct pmbus_driver_info *info = pmbus_get_driver_info(client);
c5e67636 GR	56	const struct adm1275_data *data = to_adm1275_data(info);
5cf231a3	57	int ret = 0;
c576e30c GR	58
c576e30c GR	59	if (page)
c5e67636	60	return -ENXIO;
c576e30c GR	61
c576e30c GR	62	switch (reg) {
c5e67636 GR	63	case PMBUS_IOUT_UC_FAULT_LIMIT:
	64	if (data->have_oc_fault) {
	65	ret = -ENXIO;
	66	break;
	67	}
	68	ret = pmbus_read_word_data(client, 0, ADM1275_IOUT_WARN2_LIMIT);
	69	break;
	70	case PMBUS_IOUT_OC_FAULT_LIMIT:
	71	if (!data->have_oc_fault) {
	72	ret = -ENXIO;
	73	break;
	74	}
	75	ret = pmbus_read_word_data(client, 0, ADM1275_IOUT_WARN2_LIMIT);
	76	break;
c576e30c GR	77	case PMBUS_VIRT_READ_IOUT_MAX:
	78	ret = pmbus_read_word_data(client, 0, ADM1275_PEAK_IOUT);
	79	break;
	80	case PMBUS_VIRT_READ_VOUT_MAX:
	81	ret = pmbus_read_word_data(client, 0, ADM1275_PEAK_VOUT);
	82	break;
	83	case PMBUS_VIRT_READ_VIN_MAX:
	84	ret = pmbus_read_word_data(client, 0, ADM1275_PEAK_VIN);
	85	break;
5cf231a3 GR	86	case PMBUS_VIRT_READ_PIN_MAX:
	87	if (data->id != adm1276) {
	88	ret = -ENXIO;
	89	break;
	90	}
	91	ret = pmbus_read_word_data(client, 0, ADM1276_PEAK_PIN);
	92	break;
c576e30c GR	93	case PMBUS_VIRT_RESET_IOUT_HISTORY:
	94	case PMBUS_VIRT_RESET_VOUT_HISTORY:
	95	case PMBUS_VIRT_RESET_VIN_HISTORY:
5cf231a3 GR	96	break;
	97	case PMBUS_VIRT_RESET_PIN_HISTORY:
	98	if (data->id != adm1276)
	99	ret = -ENXIO;
c576e30c GR	100	break;
	101	default:
	102	ret = -ENODATA;
	103	break;
	104	}
	105	return ret;
	106	}
	107
	108	static int adm1275_write_word_data(struct i2c_client *client, int page, int reg,
	109	u16 word)
	110	{
	111	int ret;
	112
	113	if (page)
c5e67636	114	return -ENXIO;
c576e30c GR	115
c576e30c GR	116	switch (reg) {
c5e67636 GR	117	case PMBUS_IOUT_UC_FAULT_LIMIT:
	118	case PMBUS_IOUT_OC_FAULT_LIMIT:
	119	ret = pmbus_write_word_data(client, 0, ADM1275_IOUT_WARN2_LIMIT,
	120	word);
	121	break;
c576e30c GR	122	case PMBUS_VIRT_RESET_IOUT_HISTORY:
	123	ret = pmbus_write_word_data(client, 0, ADM1275_PEAK_IOUT, 0);
	124	break;
	125	case PMBUS_VIRT_RESET_VOUT_HISTORY:
	126	ret = pmbus_write_word_data(client, 0, ADM1275_PEAK_VOUT, 0);
	127	break;
	128	case PMBUS_VIRT_RESET_VIN_HISTORY:
	129	ret = pmbus_write_word_data(client, 0, ADM1275_PEAK_VIN, 0);
	130	break;
5cf231a3 GR	131	case PMBUS_VIRT_RESET_PIN_HISTORY:
	132	ret = pmbus_write_word_data(client, 0, ADM1276_PEAK_PIN, 0);
	133	break;
c576e30c GR	134	default:
	135	ret = -ENODATA;
	136	break;
	137	}
	138	return ret;
	139	}
	140
c5e67636 GR	141	static int adm1275_read_byte_data(struct i2c_client *client, int page, int reg)
	142	{
	143	const struct pmbus_driver_info *info = pmbus_get_driver_info(client);
	144	const struct adm1275_data *data = to_adm1275_data(info);
	145	int mfr_status, ret;
	146
da8e48ab	147	if (page > 0)
c5e67636 GR	148	return -ENXIO;
	149
	150	switch (reg) {
	151	case PMBUS_STATUS_IOUT:
	152	ret = pmbus_read_byte_data(client, page, PMBUS_STATUS_IOUT);
	153	if (ret < 0)
	154	break;
	155	mfr_status = pmbus_read_byte_data(client, page,
	156	PMBUS_STATUS_MFR_SPECIFIC);
	157	if (mfr_status < 0) {
	158	ret = mfr_status;
	159	break;
	160	}
	161	if (mfr_status & ADM1275_MFR_STATUS_IOUT_WARN2) {
	162	ret \|= data->have_oc_fault ?
	163	PB_IOUT_OC_FAULT : PB_IOUT_UC_FAULT;
	164	}
	165	break;
	166	default:
	167	ret = -ENODATA;
	168	break;
	169	}
	170	return ret;
	171	}
	172
87102808 GR	173	static const struct i2c_device_id adm1275_id[] = {
	174	{ "adm1275", adm1275 },
	175	{ "adm1276", adm1276 },
	176	{ }
	177	};
	178	MODULE_DEVICE_TABLE(i2c, adm1275_id);
	179
83f7649c GR	180	static int adm1275_probe(struct i2c_client *client,
	181	const struct i2c_device_id *id)
	182	{
87102808	183	u8 block_buffer[I2C_SMBUS_BLOCK_MAX + 1];
c5e67636	184	int config, device_config;
3b33ca41	185	int ret;
83f7649c	186	struct pmbus_driver_info *info;
c5e67636	187	struct adm1275_data *data;
87102808	188	const struct i2c_device_id *mid;
83f7649c GR	189
83f7649c GR	190	if (!i2c_check_functionality(client->adapter,
87102808 GR	191	I2C_FUNC_SMBUS_READ_BYTE_DATA
87102808 GR	192	\| I2C_FUNC_SMBUS_BLOCK_DATA))
83f7649c GR	193	return -ENODEV;
83f7649c GR	194
87102808 GR	195	ret = i2c_smbus_read_block_data(client, PMBUS_MFR_ID, block_buffer);
	196	if (ret < 0) {
	197	dev_err(&client->dev, "Failed to read Manufacturer ID\n");
	198	return ret;
	199	}
	200	if (ret != 3 \|\| strncmp(block_buffer, "ADI", 3)) {
	201	dev_err(&client->dev, "Unsupported Manufacturer ID\n");
	202	return -ENODEV;
	203	}
83f7649c	204
87102808 GR	205	ret = i2c_smbus_read_block_data(client, PMBUS_MFR_MODEL, block_buffer);
	206	if (ret < 0) {
	207	dev_err(&client->dev, "Failed to read Manufacturer Model\n");
	208	return ret;
	209	}
	210	for (mid = adm1275_id; mid->name[0]; mid++) {
	211	if (!strncasecmp(mid->name, block_buffer, strlen(mid->name)))
	212	break;
	213	}
	214	if (!mid->name[0]) {
	215	dev_err(&client->dev, "Unsupported device\n");
	216	return -ENODEV;
3b33ca41	217	}
83f7649c	218
87102808 GR	219	if (id->driver_data != mid->driver_data)
	220	dev_notice(&client->dev,
	221	"Device mismatch: Configured %s, detected %s\n",
	222	id->name, mid->name);
	223
	224	config = i2c_smbus_read_byte_data(client, ADM1275_PMON_CONFIG);
	225	if (config < 0)
	226	return config;
	227
c5e67636	228	device_config = i2c_smbus_read_byte_data(client, ADM1275_DEVICE_CONFIG);
87102808 GR	229	if (device_config < 0)
	230	return device_config;
	231
	232	data = kzalloc(sizeof(struct adm1275_data), GFP_KERNEL);
	233	if (!data)
	234	return -ENOMEM;
	235
	236	data->id = mid->driver_data;
c5e67636 GR	237
	238	info = &data->info;
	239
83f7649c	240	info->pages = 1;
1061d851 GR	241	info->format[PSC_VOLTAGE_IN] = direct;
	242	info->format[PSC_VOLTAGE_OUT] = direct;
	243	info->format[PSC_CURRENT_OUT] = direct;
7e97bbba	244	info->m[PSC_CURRENT_OUT] = 807;
83f7649c GR	245	info->b[PSC_CURRENT_OUT] = 20475;
	246	info->R[PSC_CURRENT_OUT] = -1;
	247	info->func[0] = PMBUS_HAVE_IOUT \| PMBUS_HAVE_STATUS_IOUT;
	248
c576e30c	249	info->read_word_data = adm1275_read_word_data;
c5e67636	250	info->read_byte_data = adm1275_read_byte_data;
c576e30c GR	251	info->write_word_data = adm1275_write_word_data;
c576e30c GR	252
83f7649c	253	if (config & ADM1275_VRANGE) {
7e97bbba	254	info->m[PSC_VOLTAGE_IN] = 19199;
83f7649c GR	255	info->b[PSC_VOLTAGE_IN] = 0;
83f7649c GR	256	info->R[PSC_VOLTAGE_IN] = -2;
7e97bbba	257	info->m[PSC_VOLTAGE_OUT] = 19199;
83f7649c GR	258	info->b[PSC_VOLTAGE_OUT] = 0;
	259	info->R[PSC_VOLTAGE_OUT] = -2;
	260	} else {
7e97bbba	261	info->m[PSC_VOLTAGE_IN] = 6720;
83f7649c GR	262	info->b[PSC_VOLTAGE_IN] = 0;
83f7649c GR	263	info->R[PSC_VOLTAGE_IN] = -1;
7e97bbba	264	info->m[PSC_VOLTAGE_OUT] = 6720;
83f7649c GR	265	info->b[PSC_VOLTAGE_OUT] = 0;
	266	info->R[PSC_VOLTAGE_OUT] = -1;
	267	}
	268
c5e67636 GR	269	if (device_config & ADM1275_IOUT_WARN2_SELECT)
	270	data->have_oc_fault = true;
	271
87102808	272	switch (data->id) {
5cf231a3 GR	273	case adm1275:
	274	if (config & ADM1275_VIN_VOUT_SELECT)
	275	info->func[0] \|=
	276	PMBUS_HAVE_VOUT \| PMBUS_HAVE_STATUS_VOUT;
	277	else
	278	info->func[0] \|=
	279	PMBUS_HAVE_VIN \| PMBUS_HAVE_STATUS_INPUT;
	280	break;
	281	case adm1276:
	282	info->format[PSC_POWER] = direct;
	283	info->func[0] \|= PMBUS_HAVE_VIN \| PMBUS_HAVE_PIN
	284	\| PMBUS_HAVE_STATUS_INPUT;
	285	if (config & ADM1275_VIN_VOUT_SELECT)
	286	info->func[0] \|=
	287	PMBUS_HAVE_VOUT \| PMBUS_HAVE_STATUS_VOUT;
	288	if (config & ADM1275_VRANGE) {
	289	info->m[PSC_POWER] = 6043;
	290	info->b[PSC_POWER] = 0;
	291	info->R[PSC_POWER] = -2;
	292	} else {
	293	info->m[PSC_POWER] = 2115;
	294	info->b[PSC_POWER] = 0;
	295	info->R[PSC_POWER] = -1;
	296	}
	297	break;
	298	}
83f7649c	299
3b33ca41 GR	300	ret = pmbus_do_probe(client, id, info);
	301	if (ret)
	302	goto err_mem;
	303	return 0;
	304
	305	err_mem:
c5e67636	306	kfree(data);
3b33ca41	307	return ret;
83f7649c GR	308	}
	309
	310	static int adm1275_remove(struct i2c_client *client)
	311	{
	312	const struct pmbus_driver_info *info = pmbus_get_driver_info(client);
c5e67636	313	const struct adm1275_data *data = to_adm1275_data(info);
83f7649c	314
866cf12a	315	pmbus_do_remove(client);
c5e67636	316	kfree(data);
866cf12a	317	return 0;
83f7649c GR	318	}
83f7649c GR	319
83f7649c GR	320	static struct i2c_driver adm1275_driver = {
	321	.driver = {
	322	.name = "adm1275",
	323	},
	324	.probe = adm1275_probe,
	325	.remove = adm1275_remove,
	326	.id_table = adm1275_id,
	327	};
	328
	329	static int __init adm1275_init(void)
	330	{
	331	return i2c_add_driver(&adm1275_driver);
	332	}
	333
	334	static void __exit adm1275_exit(void)
	335	{
	336	i2c_del_driver(&adm1275_driver);
	337	}
	338
	339	MODULE_AUTHOR("Guenter Roeck");
5cf231a3	340	MODULE_DESCRIPTION("PMBus driver for Analog Devices ADM1275 and compatibles");
83f7649c GR	341	MODULE_LICENSE("GPL");
	342	module_init(adm1275_init);
	343	module_exit(adm1275_exit);