include/linux/mfd/pm8xxx/irq.h

   1 /*
   2  * Copyright (c) 2011, Code Aurora Forum. All rights reserved.
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License version 2 and
   6  * only version 2 as published by the Free Software Foundation.
   7  *
   8  * This program is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  * GNU General Public License for more details.
  12  */
  13 /*
  14  * Qualcomm PMIC irq 8xxx driver header file
  15  *
  16  */
  17
  18 #ifndef __MFD_PM8XXX_IRQ_H
  19 #define __MFD_PM8XXX_IRQ_H
  20
  21 #include <linux/errno.h>
  22 #include <linux/err.h>
  23
  24 struct pm8xxx_irq_core_data {
  25         u32             rev;
  26         int             nirqs;
  27 };
  28
  29 struct pm8xxx_irq_platform_data {
  30         int                             irq_base;
  31         struct pm8xxx_irq_core_data     irq_cdata;
  32         int                             devirq;
  33         int                             irq_trigger_flag;
  34 };
  35
  36 struct pm_irq_chip;
  37
  38 #ifdef CONFIG_MFD_PM8XXX_IRQ
  39 int pm8xxx_get_irq_stat(struct pm_irq_chip *chip, int irq);
  40 struct pm_irq_chip * __devinit pm8xxx_irq_init(struct device *dev,
  41                                 const struct pm8xxx_irq_platform_data *pdata);
  42 int __devexit pm8xxx_irq_exit(struct pm_irq_chip *chip);
  43 #else
  44 static inline int pm8xxx_get_irq_stat(struct pm_irq_chip *chip, int irq)
  45 {
  46         return -ENXIO;
  47 }
  48 static inline struct pm_irq_chip * __devinit pm8xxx_irq_init(
  49                                 const struct device *dev,
  50                                 const struct pm8xxx_irq_platform_data *pdata)
  51 {
  52         return ERR_PTR(-ENXIO);
  53 }
  54 static inline int __devexit pm8xxx_irq_exit(struct pm_irq_chip *chip)
  55 {
  56         return -ENXIO;
  57 }
  58 #endif /* CONFIG_MFD_PM8XXX_IRQ */
  59 #endif /* __MFD_PM8XXX_IRQ_H */