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authorGuenter Roeck2011-07-12 16:15:19 +0200
committerGuenter Roeck2011-07-28 20:47:53 +0200
commit9d2ecfb768bd2f8b41816a23b0f1dda026fef41d (patch)
tree7424d830c0b8475d2c872ec0bd1953b354c01094 /drivers/hwmon/max8688.c
parenthwmon: (coretemp) Add core/pkg threshold support to Coretemp (diff)
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hwmon: (pmbus) Move PMBus drivers to drivers/hwmon/pmbus
Since the number of PMBus drivers is getting large, move them into directory drivers/hwmon/pmbus to improve readability and scalability. Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> Reviewed-by: Robert Coulson <robert.coulson@ericsson.com>
Diffstat (limited to 'drivers/hwmon/max8688.c')
-rw-r--r--drivers/hwmon/max8688.c158
1 files changed, 0 insertions, 158 deletions
diff --git a/drivers/hwmon/max8688.c b/drivers/hwmon/max8688.c
deleted file mode 100644
index 7fb93f4e9f21..000000000000
--- a/drivers/hwmon/max8688.c
+++ /dev/null
@@ -1,158 +0,0 @@
-/*
- * Hardware monitoring driver for Maxim MAX8688
- *
- * 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.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/err.h>
-#include <linux/i2c.h>
-#include "pmbus.h"
-
-#define MAX8688_MFG_STATUS 0xd8
-
-#define MAX8688_STATUS_OC_FAULT (1 << 4)
-#define MAX8688_STATUS_OV_FAULT (1 << 5)
-#define MAX8688_STATUS_OV_WARNING (1 << 8)
-#define MAX8688_STATUS_UV_FAULT (1 << 9)
-#define MAX8688_STATUS_UV_WARNING (1 << 10)
-#define MAX8688_STATUS_UC_FAULT (1 << 11)
-#define MAX8688_STATUS_OC_WARNING (1 << 12)
-#define MAX8688_STATUS_OT_FAULT (1 << 13)
-#define MAX8688_STATUS_OT_WARNING (1 << 14)
-
-static int max8688_read_byte_data(struct i2c_client *client, int page, int reg)
-{
- int ret = 0;
- int mfg_status;
-
- if (page)
- return -EINVAL;
-
- switch (reg) {
- case PMBUS_STATUS_VOUT:
- mfg_status = pmbus_read_word_data(client, 0,
- MAX8688_MFG_STATUS);
- if (mfg_status < 0)
- return mfg_status;
- if (mfg_status & MAX8688_STATUS_UV_WARNING)
- ret |= PB_VOLTAGE_UV_WARNING;
- if (mfg_status & MAX8688_STATUS_UV_FAULT)
- ret |= PB_VOLTAGE_UV_FAULT;
- if (mfg_status & MAX8688_STATUS_OV_WARNING)
- ret |= PB_VOLTAGE_OV_WARNING;
- if (mfg_status & MAX8688_STATUS_OV_FAULT)
- ret |= PB_VOLTAGE_OV_FAULT;
- break;
- case PMBUS_STATUS_IOUT:
- mfg_status = pmbus_read_word_data(client, 0,
- MAX8688_MFG_STATUS);
- if (mfg_status < 0)
- return mfg_status;
- if (mfg_status & MAX8688_STATUS_UC_FAULT)
- ret |= PB_IOUT_UC_FAULT;
- if (mfg_status & MAX8688_STATUS_OC_WARNING)
- ret |= PB_IOUT_OC_WARNING;
- if (mfg_status & MAX8688_STATUS_OC_FAULT)
- ret |= PB_IOUT_OC_FAULT;
- break;
- case PMBUS_STATUS_TEMPERATURE:
- mfg_status = pmbus_read_word_data(client, 0,
- MAX8688_MFG_STATUS);
- if (mfg_status < 0)
- return mfg_status;
- if (mfg_status & MAX8688_STATUS_OT_WARNING)
- ret |= PB_TEMP_OT_WARNING;
- if (mfg_status & MAX8688_STATUS_OT_FAULT)
- ret |= PB_TEMP_OT_FAULT;
- break;
- default:
- ret = -ENODATA;
- break;
- }
- return ret;
-}
-
-static struct pmbus_driver_info max8688_info = {
- .pages = 1,
- .direct[PSC_VOLTAGE_IN] = true,
- .direct[PSC_VOLTAGE_OUT] = true,
- .direct[PSC_TEMPERATURE] = true,
- .direct[PSC_CURRENT_OUT] = true,
- .m[PSC_VOLTAGE_IN] = 19995,
- .b[PSC_VOLTAGE_IN] = 0,
- .R[PSC_VOLTAGE_IN] = -1,
- .m[PSC_VOLTAGE_OUT] = 19995,
- .b[PSC_VOLTAGE_OUT] = 0,
- .R[PSC_VOLTAGE_OUT] = -1,
- .m[PSC_CURRENT_OUT] = 23109,
- .b[PSC_CURRENT_OUT] = 0,
- .R[PSC_CURRENT_OUT] = -2,
- .m[PSC_TEMPERATURE] = -7612,
- .b[PSC_TEMPERATURE] = 335,
- .R[PSC_TEMPERATURE] = -3,
- .func[0] = PMBUS_HAVE_VOUT | PMBUS_HAVE_IOUT | PMBUS_HAVE_TEMP
- | PMBUS_HAVE_STATUS_VOUT | PMBUS_HAVE_STATUS_IOUT
- | PMBUS_HAVE_STATUS_TEMP,
- .read_byte_data = max8688_read_byte_data,
-};
-
-static int max8688_probe(struct i2c_client *client,
- const struct i2c_device_id *id)
-{
- return pmbus_do_probe(client, id, &max8688_info);
-}
-
-static int max8688_remove(struct i2c_client *client)
-{
- return pmbus_do_remove(client);
-}
-
-static const struct i2c_device_id max8688_id[] = {
- {"max8688", 0},
- { }
-};
-
-MODULE_DEVICE_TABLE(i2c, max8688_id);
-
-/* This is the driver that will be inserted */
-static struct i2c_driver max8688_driver = {
- .driver = {
- .name = "max8688",
- },
- .probe = max8688_probe,
- .remove = max8688_remove,
- .id_table = max8688_id,
-};
-
-static int __init max8688_init(void)
-{
- return i2c_add_driver(&max8688_driver);
-}
-
-static void __exit max8688_exit(void)
-{
- i2c_del_driver(&max8688_driver);
-}
-
-MODULE_AUTHOR("Guenter Roeck");
-MODULE_DESCRIPTION("PMBus driver for Maxim MAX8688");
-MODULE_LICENSE("GPL");
-module_init(max8688_init);
-module_exit(max8688_exit);