1 files changed, 128 insertions, 0 deletions

diff --git a/include/linux/mfd/ab8500.h b/include/linux/mfd/ab8500.h
new file mode 100644
index 000000000000..b63ff3ba3351
--- /dev/null
+++ b/include/linux/mfd/ab8500.h
@@ -0,0 +1,128 @@
+/*
+ * Copyright (C) ST-Ericsson SA 2010
+ *
+ * License Terms: GNU General Public License v2
+ * Author: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com>
+ */
+#ifndef MFD_AB8500_H
+#define MFD_AB8500_H
+
+#include <linux/device.h>
+
+/*
+ * Interrupts
+ */
+
+#define AB8500_INT_MAIN_EXT_CH_NOT_OK   0
+#define AB8500_INT_UN_PLUG_TV_DET       1
+#define AB8500_INT_PLUG_TV_DET          2
+#define AB8500_INT_TEMP_WARM            3
+#define AB8500_INT_PON_KEY2DB_F         4
+#define AB8500_INT_PON_KEY2DB_R         5
+#define AB8500_INT_PON_KEY1DB_F         6
+#define AB8500_INT_PON_KEY1DB_R         7
+#define AB8500_INT_BATT_OVV             8
+#define AB8500_INT_MAIN_CH_UNPLUG_DET   10
+#define AB8500_INT_MAIN_CH_PLUG_DET     11
+#define AB8500_INT_USB_ID_DET_F         12
+#define AB8500_INT_USB_ID_DET_R         13
+#define AB8500_INT_VBUS_DET_F           14
+#define AB8500_INT_VBUS_DET_R           15
+#define AB8500_INT_VBUS_CH_DROP_END     16
+#define AB8500_INT_RTC_60S              17
+#define AB8500_INT_RTC_ALARM            18
+#define AB8500_INT_BAT_CTRL_INDB        20
+#define AB8500_INT_CH_WD_EXP            21
+#define AB8500_INT_VBUS_OVV             22
+#define AB8500_INT_MAIN_CH_DROP_END     23
+#define AB8500_INT_CCN_CONV_ACC         24
+#define AB8500_INT_INT_AUD              25
+#define AB8500_INT_CCEOC                26
+#define AB8500_INT_CC_INT_CALIB         27
+#define AB8500_INT_LOW_BAT_F            28
+#define AB8500_INT_LOW_BAT_R            29
+#define AB8500_INT_BUP_CHG_NOT_OK       30
+#define AB8500_INT_BUP_CHG_OK           31
+#define AB8500_INT_GP_HW_ADC_CONV_END   32
+#define AB8500_INT_ACC_DETECT_1DB_F     33
+#define AB8500_INT_ACC_DETECT_1DB_R     34
+#define AB8500_INT_ACC_DETECT_22DB_F    35
+#define AB8500_INT_ACC_DETECT_22DB_R    36
+#define AB8500_INT_ACC_DETECT_21DB_F    37
+#define AB8500_INT_ACC_DETECT_21DB_R    38
+#define AB8500_INT_GP_SW_ADC_CONV_END   39
+#define AB8500_INT_BTEMP_LOW            72
+#define AB8500_INT_BTEMP_LOW_MEDIUM     73
+#define AB8500_INT_BTEMP_MEDIUM_HIGH    74
+#define AB8500_INT_BTEMP_HIGH           75
+#define AB8500_INT_USB_CHARGER_NOT_OK   81
+#define AB8500_INT_ID_WAKEUP_R          82
+#define AB8500_INT_ID_DET_R1R           84
+#define AB8500_INT_ID_DET_R2R           85
+#define AB8500_INT_ID_DET_R3R           86
+#define AB8500_INT_ID_DET_R4R           87
+#define AB8500_INT_ID_WAKEUP_F          88
+#define AB8500_INT_ID_DET_R1F           90
+#define AB8500_INT_ID_DET_R2F           91
+#define AB8500_INT_ID_DET_R3F           92
+#define AB8500_INT_ID_DET_R4F           93
+#define AB8500_INT_USB_CHG_DET_DONE     94
+#define AB8500_INT_USB_CH_TH_PROT_F     96
+#define AB8500_INT_USB_CH_TH_PROP_R     97
+#define AB8500_INT_MAIN_CH_TH_PROP_F    98
+#define AB8500_INT_MAIN_CH_TH_PROT_R    99
+#define AB8500_INT_USB_CHARGER_NOT_OKF  103
+
+#define AB8500_NR_IRQS                  104
+#define AB8500_NUM_IRQ_REGS             13
+
+/**
+ * struct ab8500 - ab8500 internal structure
+ * @dev: parent device
+ * @lock: read/write operations lock
+ * @irq_lock: genirq bus lock
+ * @revision: chip revision
+ * @irq: irq line
+ * @write: register write
+ * @read: register read
+ * @rx_buf: rx buf for SPI
+ * @tx_buf: tx buf for SPI
+ * @mask: cache of IRQ regs for bus lock
+ * @oldmask: cache of previous IRQ regs for bus lock
+ */
+struct ab8500 {
+        struct device   *dev;
+        struct mutex    lock;
+        struct mutex    irq_lock;
+        int             revision;
+        int             irq_base;
+        int             irq;
+
+        int (*write) (struct ab8500 *a8500, u16 addr, u8 data);
+        int (*read) (struct ab8500 *a8500, u16 addr);
+
+        unsigned long   tx_buf[4];
+        unsigned long   rx_buf[4];
+
+        u8 mask[AB8500_NUM_IRQ_REGS];
+        u8 oldmask[AB8500_NUM_IRQ_REGS];
+};
+
+/**
+ * struct ab8500_platform_data - AB8500 platform data
+ * @irq_base: start of AB8500 IRQs, AB8500_NR_IRQS will be used
+ * @init: board-specific initialization after detection of ab8500
+ */
+struct ab8500_platform_data {
+        int irq_base;
+        void (*init) (struct ab8500 *);
+};
+
+extern int ab8500_write(struct ab8500 *a8500, u16 addr, u8 data);
+extern int ab8500_read(struct ab8500 *a8500, u16 addr);
+extern int ab8500_set_bits(struct ab8500 *a8500, u16 addr, u8 mask, u8 data);
+
+extern int __devinit ab8500_init(struct ab8500 *ab8500);
+extern int __devexit ab8500_exit(struct ab8500 *ab8500);
+
+#endif /* MFD_AB8500_H */