include/linux/mfd/ab8500.h

   1 /*
   2  * Copyright (C) ST-Ericsson SA 2010
   3  *
   4  * License Terms: GNU General Public License v2
   5  * Author: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com>
   6  */
   7 #ifndef MFD_AB8500_H
   8 #define MFD_AB8500_H
   9
  10 #include <linux/device.h>
  11
  12 /*
  13  * Interrupts
  14  */
  15
  16 #define AB8500_INT_MAIN_EXT_CH_NOT_OK   0
  17 #define AB8500_INT_UN_PLUG_TV_DET       1
  18 #define AB8500_INT_PLUG_TV_DET          2
  19 #define AB8500_INT_TEMP_WARM            3
  20 #define AB8500_INT_PON_KEY2DB_F         4
  21 #define AB8500_INT_PON_KEY2DB_R         5
  22 #define AB8500_INT_PON_KEY1DB_F         6
  23 #define AB8500_INT_PON_KEY1DB_R         7
  24 #define AB8500_INT_BATT_OVV             8
  25 #define AB8500_INT_MAIN_CH_UNPLUG_DET   10
  26 #define AB8500_INT_MAIN_CH_PLUG_DET     11
  27 #define AB8500_INT_USB_ID_DET_F         12
  28 #define AB8500_INT_USB_ID_DET_R         13
  29 #define AB8500_INT_VBUS_DET_F           14
  30 #define AB8500_INT_VBUS_DET_R           15
  31 #define AB8500_INT_VBUS_CH_DROP_END     16
  32 #define AB8500_INT_RTC_60S              17
  33 #define AB8500_INT_RTC_ALARM            18
  34 #define AB8500_INT_BAT_CTRL_INDB        20
  35 #define AB8500_INT_CH_WD_EXP            21
  36 #define AB8500_INT_VBUS_OVV             22
  37 #define AB8500_INT_MAIN_CH_DROP_END     23
  38 #define AB8500_INT_CCN_CONV_ACC         24
  39 #define AB8500_INT_INT_AUD              25
  40 #define AB8500_INT_CCEOC                26
  41 #define AB8500_INT_CC_INT_CALIB         27
  42 #define AB8500_INT_LOW_BAT_F            28
  43 #define AB8500_INT_LOW_BAT_R            29
  44 #define AB8500_INT_BUP_CHG_NOT_OK       30
  45 #define AB8500_INT_BUP_CHG_OK           31
  46 #define AB8500_INT_GP_HW_ADC_CONV_END   32
  47 #define AB8500_INT_ACC_DETECT_1DB_F     33
  48 #define AB8500_INT_ACC_DETECT_1DB_R     34
  49 #define AB8500_INT_ACC_DETECT_22DB_F    35
  50 #define AB8500_INT_ACC_DETECT_22DB_R    36
  51 #define AB8500_INT_ACC_DETECT_21DB_F    37
  52 #define AB8500_INT_ACC_DETECT_21DB_R    38
  53 #define AB8500_INT_GP_SW_ADC_CONV_END   39
  54 #define AB8500_INT_BTEMP_LOW            72
  55 #define AB8500_INT_BTEMP_LOW_MEDIUM     73
  56 #define AB8500_INT_BTEMP_MEDIUM_HIGH    74
  57 #define AB8500_INT_BTEMP_HIGH           75
  58 #define AB8500_INT_USB_CHARGER_NOT_OK   81
  59 #define AB8500_INT_ID_WAKEUP_R          82
  60 #define AB8500_INT_ID_DET_R1R           84
  61 #define AB8500_INT_ID_DET_R2R           85
  62 #define AB8500_INT_ID_DET_R3R           86
  63 #define AB8500_INT_ID_DET_R4R           87
  64 #define AB8500_INT_ID_WAKEUP_F          88
  65 #define AB8500_INT_ID_DET_R1F           90
  66 #define AB8500_INT_ID_DET_R2F           91
  67 #define AB8500_INT_ID_DET_R3F           92
  68 #define AB8500_INT_ID_DET_R4F           93
  69 #define AB8500_INT_USB_CHG_DET_DONE     94
  70 #define AB8500_INT_USB_CH_TH_PROT_F     96
  71 #define AB8500_INT_USB_CH_TH_PROP_R     97
  72 #define AB8500_INT_MAIN_CH_TH_PROP_F    98
  73 #define AB8500_INT_MAIN_CH_TH_PROT_R    99
  74 #define AB8500_INT_USB_CHARGER_NOT_OKF  103
  75
  76 #define AB8500_NR_IRQS                  104
  77 #define AB8500_NUM_IRQ_REGS             13
  78
  79 /**
  80  * struct ab8500 - ab8500 internal structure
  81  * @dev: parent device
  82  * @lock: read/write operations lock
  83  * @irq_lock: genirq bus lock
  84  * @revision: chip revision
  85  * @irq: irq line
  86  * @write: register write
  87  * @read: register read
  88  * @rx_buf: rx buf for SPI
  89  * @tx_buf: tx buf for SPI
  90  * @mask: cache of IRQ regs for bus lock
  91  * @oldmask: cache of previous IRQ regs for bus lock
  92  */
  93 struct ab8500 {
  94         struct device   *dev;
  95         struct mutex    lock;
  96         struct mutex    irq_lock;
  97         int             revision;
  98         int             irq_base;
  99         int             irq;
 100
 101         int (*write) (struct ab8500 *a8500, u16 addr, u8 data);
 102         int (*read) (struct ab8500 *a8500, u16 addr);
 103
 104         unsigned long   tx_buf[4];
 105         unsigned long   rx_buf[4];
 106
 107         u8 mask[AB8500_NUM_IRQ_REGS];
 108         u8 oldmask[AB8500_NUM_IRQ_REGS];
 109 };
 110
 111 /**
 112  * struct ab8500_platform_data - AB8500 platform data
 113  * @irq_base: start of AB8500 IRQs, AB8500_NR_IRQS will be used
 114  * @init: board-specific initialization after detection of ab8500
 115  */
 116 struct ab8500_platform_data {
 117         int irq_base;
 118         void (*init) (struct ab8500 *);
 119 };
 120
 121 extern int ab8500_write(struct ab8500 *a8500, u16 addr, u8 data);
 122 extern int ab8500_read(struct ab8500 *a8500, u16 addr);
 123 extern int ab8500_set_bits(struct ab8500 *a8500, u16 addr, u8 mask, u8 data);
 124
 125 extern int __devinit ab8500_init(struct ab8500 *ab8500);
 126 extern int __devexit ab8500_exit(struct ab8500 *ab8500);
 127
 128 #endif /* MFD_AB8500_H */