diff options
Diffstat (limited to 'ANDROID_3.4.5/drivers/mfd/abx500-core.c')
| -rw-r--r-- | ANDROID_3.4.5/drivers/mfd/abx500-core.c | 158 |
1 files changed, 0 insertions, 158 deletions
diff --git a/ANDROID_3.4.5/drivers/mfd/abx500-core.c b/ANDROID_3.4.5/drivers/mfd/abx500-core.c deleted file mode 100644 index 7ce65f49..00000000 --- a/ANDROID_3.4.5/drivers/mfd/abx500-core.c +++ /dev/null @@ -1,158 +0,0 @@ -/* - * Copyright (C) 2007-2010 ST-Ericsson - * License terms: GNU General Public License (GPL) version 2 - * Register access functions for the ABX500 Mixed Signal IC family. - * Author: Mattias Wallin <mattias.wallin@stericsson.com> - */ - -#include <linux/list.h> -#include <linux/slab.h> -#include <linux/err.h> -#include <linux/module.h> -#include <linux/mfd/abx500.h> - -static LIST_HEAD(abx500_list); - -struct abx500_device_entry { - struct list_head list; - struct abx500_ops ops; - struct device *dev; -}; - -static void lookup_ops(struct device *dev, struct abx500_ops **ops) -{ - struct abx500_device_entry *dev_entry; - - *ops = NULL; - list_for_each_entry(dev_entry, &abx500_list, list) { - if (dev_entry->dev == dev) { - *ops = &dev_entry->ops; - return; - } - } -} - -int abx500_register_ops(struct device *dev, struct abx500_ops *ops) -{ - struct abx500_device_entry *dev_entry; - - dev_entry = kzalloc(sizeof(struct abx500_device_entry), GFP_KERNEL); - if (!dev_entry) { - dev_err(dev, "register_ops kzalloc failed"); - return -ENOMEM; - } - dev_entry->dev = dev; - memcpy(&dev_entry->ops, ops, sizeof(struct abx500_ops)); - - list_add_tail(&dev_entry->list, &abx500_list); - return 0; -} -EXPORT_SYMBOL(abx500_register_ops); - -void abx500_remove_ops(struct device *dev) -{ - struct abx500_device_entry *dev_entry, *tmp; - - list_for_each_entry_safe(dev_entry, tmp, &abx500_list, list) - { - if (dev_entry->dev == dev) { - list_del(&dev_entry->list); - kfree(dev_entry); - } - } -} -EXPORT_SYMBOL(abx500_remove_ops); - -int abx500_set_register_interruptible(struct device *dev, u8 bank, u8 reg, - u8 value) -{ - struct abx500_ops *ops; - - lookup_ops(dev->parent, &ops); - if ((ops != NULL) && (ops->set_register != NULL)) - return ops->set_register(dev, bank, reg, value); - else - return -ENOTSUPP; -} -EXPORT_SYMBOL(abx500_set_register_interruptible); - -int abx500_get_register_interruptible(struct device *dev, u8 bank, u8 reg, - u8 *value) -{ - struct abx500_ops *ops; - - lookup_ops(dev->parent, &ops); - if ((ops != NULL) && (ops->get_register != NULL)) - return ops->get_register(dev, bank, reg, value); - else - return -ENOTSUPP; -} -EXPORT_SYMBOL(abx500_get_register_interruptible); - -int abx500_get_register_page_interruptible(struct device *dev, u8 bank, - u8 first_reg, u8 *regvals, u8 numregs) -{ - struct abx500_ops *ops; - - lookup_ops(dev->parent, &ops); - if ((ops != NULL) && (ops->get_register_page != NULL)) - return ops->get_register_page(dev, bank, - first_reg, regvals, numregs); - else - return -ENOTSUPP; -} -EXPORT_SYMBOL(abx500_get_register_page_interruptible); - -int abx500_mask_and_set_register_interruptible(struct device *dev, u8 bank, - u8 reg, u8 bitmask, u8 bitvalues) -{ - struct abx500_ops *ops; - - lookup_ops(dev->parent, &ops); - if ((ops != NULL) && (ops->mask_and_set_register != NULL)) - return ops->mask_and_set_register(dev, bank, - reg, bitmask, bitvalues); - else - return -ENOTSUPP; -} -EXPORT_SYMBOL(abx500_mask_and_set_register_interruptible); - -int abx500_get_chip_id(struct device *dev) -{ - struct abx500_ops *ops; - - lookup_ops(dev->parent, &ops); - if ((ops != NULL) && (ops->get_chip_id != NULL)) - return ops->get_chip_id(dev); - else - return -ENOTSUPP; -} -EXPORT_SYMBOL(abx500_get_chip_id); - -int abx500_event_registers_startup_state_get(struct device *dev, u8 *event) -{ - struct abx500_ops *ops; - - lookup_ops(dev->parent, &ops); - if ((ops != NULL) && (ops->event_registers_startup_state_get != NULL)) - return ops->event_registers_startup_state_get(dev, event); - else - return -ENOTSUPP; -} -EXPORT_SYMBOL(abx500_event_registers_startup_state_get); - -int abx500_startup_irq_enabled(struct device *dev, unsigned int irq) -{ - struct abx500_ops *ops; - - lookup_ops(dev->parent, &ops); - if ((ops != NULL) && (ops->startup_irq_enabled != NULL)) - return ops->startup_irq_enabled(dev, irq); - else - return -ENOTSUPP; -} -EXPORT_SYMBOL(abx500_startup_irq_enabled); - -MODULE_AUTHOR("Mattias Wallin <mattias.wallin@stericsson.com>"); -MODULE_DESCRIPTION("ABX500 core driver"); -MODULE_LICENSE("GPL"); |