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author | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
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committer | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
commit | 871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch) | |
tree | 8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/drivers/mfd/max8998.c | |
parent | 9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff) | |
download | FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.gz FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.bz2 FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.zip |
Moved, renamed, and deleted files
The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.
Diffstat (limited to 'ANDROID_3.4.5/drivers/mfd/max8998.c')
-rw-r--r-- | ANDROID_3.4.5/drivers/mfd/max8998.c | 338 |
1 files changed, 0 insertions, 338 deletions
diff --git a/ANDROID_3.4.5/drivers/mfd/max8998.c b/ANDROID_3.4.5/drivers/mfd/max8998.c deleted file mode 100644 index 6ef56d28..00000000 --- a/ANDROID_3.4.5/drivers/mfd/max8998.c +++ /dev/null @@ -1,338 +0,0 @@ -/* - * max8998.c - mfd core driver for the Maxim 8998 - * - * Copyright (C) 2009-2010 Samsung Electronics - * Kyungmin Park <kyungmin.park@samsung.com> - * Marek Szyprowski <m.szyprowski@samsung.com> - * - * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#include <linux/module.h> -#include <linux/moduleparam.h> -#include <linux/init.h> -#include <linux/slab.h> -#include <linux/i2c.h> -#include <linux/interrupt.h> -#include <linux/pm_runtime.h> -#include <linux/mutex.h> -#include <linux/mfd/core.h> -#include <linux/mfd/max8998.h> -#include <linux/mfd/max8998-private.h> - -#define RTC_I2C_ADDR (0x0c >> 1) - -static struct mfd_cell max8998_devs[] = { - { - .name = "max8998-pmic", - }, { - .name = "max8998-rtc", - }, { - .name = "max8998-battery", - }, -}; - -static struct mfd_cell lp3974_devs[] = { - { - .name = "lp3974-pmic", - }, { - .name = "lp3974-rtc", - }, -}; - -int max8998_read_reg(struct i2c_client *i2c, u8 reg, u8 *dest) -{ - struct max8998_dev *max8998 = i2c_get_clientdata(i2c); - int ret; - - mutex_lock(&max8998->iolock); - ret = i2c_smbus_read_byte_data(i2c, reg); - mutex_unlock(&max8998->iolock); - if (ret < 0) - return ret; - - ret &= 0xff; - *dest = ret; - return 0; -} -EXPORT_SYMBOL(max8998_read_reg); - -int max8998_bulk_read(struct i2c_client *i2c, u8 reg, int count, u8 *buf) -{ - struct max8998_dev *max8998 = i2c_get_clientdata(i2c); - int ret; - - mutex_lock(&max8998->iolock); - ret = i2c_smbus_read_i2c_block_data(i2c, reg, count, buf); - mutex_unlock(&max8998->iolock); - if (ret < 0) - return ret; - - return 0; -} -EXPORT_SYMBOL(max8998_bulk_read); - -int max8998_write_reg(struct i2c_client *i2c, u8 reg, u8 value) -{ - struct max8998_dev *max8998 = i2c_get_clientdata(i2c); - int ret; - - mutex_lock(&max8998->iolock); - ret = i2c_smbus_write_byte_data(i2c, reg, value); - mutex_unlock(&max8998->iolock); - return ret; -} -EXPORT_SYMBOL(max8998_write_reg); - -int max8998_bulk_write(struct i2c_client *i2c, u8 reg, int count, u8 *buf) -{ - struct max8998_dev *max8998 = i2c_get_clientdata(i2c); - int ret; - - mutex_lock(&max8998->iolock); - ret = i2c_smbus_write_i2c_block_data(i2c, reg, count, buf); - mutex_unlock(&max8998->iolock); - if (ret < 0) - return ret; - - return 0; -} -EXPORT_SYMBOL(max8998_bulk_write); - -int max8998_update_reg(struct i2c_client *i2c, u8 reg, u8 val, u8 mask) -{ - struct max8998_dev *max8998 = i2c_get_clientdata(i2c); - int ret; - - mutex_lock(&max8998->iolock); - ret = i2c_smbus_read_byte_data(i2c, reg); - if (ret >= 0) { - u8 old_val = ret & 0xff; - u8 new_val = (val & mask) | (old_val & (~mask)); - ret = i2c_smbus_write_byte_data(i2c, reg, new_val); - } - mutex_unlock(&max8998->iolock); - return ret; -} -EXPORT_SYMBOL(max8998_update_reg); - -static int max8998_i2c_probe(struct i2c_client *i2c, - const struct i2c_device_id *id) -{ - struct max8998_platform_data *pdata = i2c->dev.platform_data; - struct max8998_dev *max8998; - int ret = 0; - - max8998 = kzalloc(sizeof(struct max8998_dev), GFP_KERNEL); - if (max8998 == NULL) - return -ENOMEM; - - i2c_set_clientdata(i2c, max8998); - max8998->dev = &i2c->dev; - max8998->i2c = i2c; - max8998->irq = i2c->irq; - max8998->type = id->driver_data; - if (pdata) { - max8998->ono = pdata->ono; - max8998->irq_base = pdata->irq_base; - max8998->wakeup = pdata->wakeup; - } - mutex_init(&max8998->iolock); - - max8998->rtc = i2c_new_dummy(i2c->adapter, RTC_I2C_ADDR); - i2c_set_clientdata(max8998->rtc, max8998); - - max8998_irq_init(max8998); - - pm_runtime_set_active(max8998->dev); - - switch (id->driver_data) { - case TYPE_LP3974: - ret = mfd_add_devices(max8998->dev, -1, - lp3974_devs, ARRAY_SIZE(lp3974_devs), - NULL, 0); - break; - case TYPE_MAX8998: - ret = mfd_add_devices(max8998->dev, -1, - max8998_devs, ARRAY_SIZE(max8998_devs), - NULL, 0); - break; - default: - ret = -EINVAL; - } - - if (ret < 0) - goto err; - - device_init_wakeup(max8998->dev, max8998->wakeup); - - return ret; - -err: - mfd_remove_devices(max8998->dev); - max8998_irq_exit(max8998); - i2c_unregister_device(max8998->rtc); - kfree(max8998); - return ret; -} - -static int max8998_i2c_remove(struct i2c_client *i2c) -{ - struct max8998_dev *max8998 = i2c_get_clientdata(i2c); - - mfd_remove_devices(max8998->dev); - max8998_irq_exit(max8998); - i2c_unregister_device(max8998->rtc); - kfree(max8998); - - return 0; -} - -static const struct i2c_device_id max8998_i2c_id[] = { - { "max8998", TYPE_MAX8998 }, - { "lp3974", TYPE_LP3974}, - { } -}; -MODULE_DEVICE_TABLE(i2c, max8998_i2c_id); - -static int max8998_suspend(struct device *dev) -{ - struct i2c_client *i2c = container_of(dev, struct i2c_client, dev); - struct max8998_dev *max8998 = i2c_get_clientdata(i2c); - - if (device_may_wakeup(dev)) - irq_set_irq_wake(max8998->irq, 1); - return 0; -} - -static int max8998_resume(struct device *dev) -{ - struct i2c_client *i2c = container_of(dev, struct i2c_client, dev); - struct max8998_dev *max8998 = i2c_get_clientdata(i2c); - - if (device_may_wakeup(dev)) - irq_set_irq_wake(max8998->irq, 0); - /* - * In LP3974, if IRQ registers are not "read & clear" - * when it's set during sleep, the interrupt becomes - * disabled. - */ - return max8998_irq_resume(i2c_get_clientdata(i2c)); -} - -struct max8998_reg_dump { - u8 addr; - u8 val; -}; -#define SAVE_ITEM(x) { .addr = (x), .val = 0x0, } -static struct max8998_reg_dump max8998_dump[] = { - SAVE_ITEM(MAX8998_REG_IRQM1), - SAVE_ITEM(MAX8998_REG_IRQM2), - SAVE_ITEM(MAX8998_REG_IRQM3), - SAVE_ITEM(MAX8998_REG_IRQM4), - SAVE_ITEM(MAX8998_REG_STATUSM1), - SAVE_ITEM(MAX8998_REG_STATUSM2), - SAVE_ITEM(MAX8998_REG_CHGR1), - SAVE_ITEM(MAX8998_REG_CHGR2), - SAVE_ITEM(MAX8998_REG_LDO_ACTIVE_DISCHARGE1), - SAVE_ITEM(MAX8998_REG_LDO_ACTIVE_DISCHARGE1), - SAVE_ITEM(MAX8998_REG_BUCK_ACTIVE_DISCHARGE3), - SAVE_ITEM(MAX8998_REG_ONOFF1), - SAVE_ITEM(MAX8998_REG_ONOFF2), - SAVE_ITEM(MAX8998_REG_ONOFF3), - SAVE_ITEM(MAX8998_REG_ONOFF4), - SAVE_ITEM(MAX8998_REG_BUCK1_VOLTAGE1), - SAVE_ITEM(MAX8998_REG_BUCK1_VOLTAGE2), - SAVE_ITEM(MAX8998_REG_BUCK1_VOLTAGE3), - SAVE_ITEM(MAX8998_REG_BUCK1_VOLTAGE4), - SAVE_ITEM(MAX8998_REG_BUCK2_VOLTAGE1), - SAVE_ITEM(MAX8998_REG_BUCK2_VOLTAGE2), - SAVE_ITEM(MAX8998_REG_LDO2_LDO3), - SAVE_ITEM(MAX8998_REG_LDO4), - SAVE_ITEM(MAX8998_REG_LDO5), - SAVE_ITEM(MAX8998_REG_LDO6), - SAVE_ITEM(MAX8998_REG_LDO7), - SAVE_ITEM(MAX8998_REG_LDO8_LDO9), - SAVE_ITEM(MAX8998_REG_LDO10_LDO11), - SAVE_ITEM(MAX8998_REG_LDO12), - SAVE_ITEM(MAX8998_REG_LDO13), - SAVE_ITEM(MAX8998_REG_LDO14), - SAVE_ITEM(MAX8998_REG_LDO15), - SAVE_ITEM(MAX8998_REG_LDO16), - SAVE_ITEM(MAX8998_REG_LDO17), - SAVE_ITEM(MAX8998_REG_BKCHR), - SAVE_ITEM(MAX8998_REG_LBCNFG1), - SAVE_ITEM(MAX8998_REG_LBCNFG2), -}; -/* Save registers before hibernation */ -static int max8998_freeze(struct device *dev) -{ - struct i2c_client *i2c = container_of(dev, struct i2c_client, dev); - int i; - - for (i = 0; i < ARRAY_SIZE(max8998_dump); i++) - max8998_read_reg(i2c, max8998_dump[i].addr, - &max8998_dump[i].val); - - return 0; -} - -/* Restore registers after hibernation */ -static int max8998_restore(struct device *dev) -{ - struct i2c_client *i2c = container_of(dev, struct i2c_client, dev); - int i; - - for (i = 0; i < ARRAY_SIZE(max8998_dump); i++) - max8998_write_reg(i2c, max8998_dump[i].addr, - max8998_dump[i].val); - - return 0; -} - -static const struct dev_pm_ops max8998_pm = { - .suspend = max8998_suspend, - .resume = max8998_resume, - .freeze = max8998_freeze, - .restore = max8998_restore, -}; - -static struct i2c_driver max8998_i2c_driver = { - .driver = { - .name = "max8998", - .owner = THIS_MODULE, - .pm = &max8998_pm, - }, - .probe = max8998_i2c_probe, - .remove = max8998_i2c_remove, - .id_table = max8998_i2c_id, -}; - -static int __init max8998_i2c_init(void) -{ - return i2c_add_driver(&max8998_i2c_driver); -} -/* init early so consumer devices can complete system boot */ -subsys_initcall(max8998_i2c_init); - -static void __exit max8998_i2c_exit(void) -{ - i2c_del_driver(&max8998_i2c_driver); -} -module_exit(max8998_i2c_exit); - -MODULE_DESCRIPTION("MAXIM 8998 multi-function core driver"); -MODULE_AUTHOR("Kyungmin Park <kyungmin.park@samsung.com>"); -MODULE_LICENSE("GPL"); |