U5500 : AB5500 Core driver update

AB5500 core driver is updated for cut1.0.
It includes code clean up.

ST-Ericsson Linux next: -
ST-Ericsson ID: WP257121
ST-Ericsson FOSS-OUT ID: Trivial

Change-Id: I1f61561836acc12cdd970cb9f4d7e79ab3901e95
Signed-off-by: Bibek Basu <bibek.basu@stericsson.com>
Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/20844
Reviewed-by: Vijaya Kumar K-1 <vijay.kilari@stericsson.com>
Reviewed-by: QATEST
Reviewed-by: Srinidhi KASAGAR <srinidhi.kasagar@stericsson.com>

Conflicts:

	arch/arm/mach-ux500/board-u5500.c
	drivers/mfd/ab5500-core.c

2 files changed, 144 insertions, 51 deletions

diff --git a/include/linux/mfd/abx500.h b/include/linux/mfd/abx500.h
index a3b3a5e380b..bf8cc970b4c 100644
--- a/include/linux/mfd/abx500.h
+++ b/include/linux/mfd/abx500.h
@@ -1,12 +1,13 @@
 /*
- * Copyright (C) 2007-2009 ST-Ericsson AB
- * License terms: GNU General Public License (GPL) version 2
+ * Copyright (C) ST-Ericsson SA 2010
+ * License terms: GNU General Public License v2
  * AB3100 core access functions
  * Author: Linus Walleij <linus.walleij@stericsson.com>
  *
  * ABX500 core access functions.
  * The abx500 interface is used for the Analog Baseband chip
- * ab3100, ab3550, ab5500, and ab8500.
+ * ab3100, ab3550, ab5500 and possibly comming. It is not used for
+ * ab4500 and ab8500 since they are another family of chip.
  *
  * Author: Mattias Wallin <mattias.wallin@stericsson.com>
  * Author: Mattias Nilsson <mattias.i.nilsson@stericsson.com>
@@ -205,54 +206,6 @@ struct ab3550_platform_data {
 	unsigned int init_settings_sz;
 };
 
-enum ab5500_devid {
-	AB5500_DEVID_ADC,
-	AB5500_DEVID_LEDS,
-	AB5500_DEVID_POWER,
-	AB5500_DEVID_REGULATORS,
-	AB5500_DEVID_SIM,
-	AB5500_DEVID_RTC,
-	AB5500_DEVID_CHARGER,
-	AB5500_DEVID_FUELGAUGE,
-	AB5500_DEVID_VIBRATOR,
-	AB5500_DEVID_CODEC,
-	AB5500_DEVID_USB,
-	AB5500_DEVID_OTP,
-	AB5500_DEVID_VIDEO,
-	AB5500_DEVID_DBIECI,
-	AB5500_NUM_DEVICES,
-};
-
-enum ab5500_banks {
-	AB5500_BANK_VIT_IO_I2C_CLK_TST_OTP = 0,
-	AB5500_BANK_VDDDIG_IO_I2C_CLK_TST = 1,
-	AB5500_BANK_VDENC = 2,
-	AB5500_BANK_SIM_USBSIM  = 3,
-	AB5500_BANK_LED = 4,
-	AB5500_BANK_ADC  = 5,
-	AB5500_BANK_RTC  = 6,
-	AB5500_BANK_STARTUP  = 7,
-	AB5500_BANK_DBI_ECI  = 8,
-	AB5500_BANK_CHG  = 9,
-	AB5500_BANK_FG_BATTCOM_ACC = 10,
-	AB5500_BANK_USB = 11,
-	AB5500_BANK_IT = 12,
-	AB5500_BANK_VIBRA = 13,
-	AB5500_BANK_AUDIO_HEADSETUSB = 14,
-	AB5500_NUM_BANKS = 15,
-};
-
-struct ab5500_regulator_platform_data;
-
-struct ab5500_platform_data {
-	struct {unsigned int base; unsigned int count; } irq;
-	void *dev_data[AB5500_NUM_DEVICES];
-	size_t dev_data_sz[AB5500_NUM_DEVICES];
-	struct abx500_init_settings *init_settings;
-	unsigned int init_settings_sz;
-	struct ab5500_regulator_platform_data *regulator;
-};
-
 int abx500_set_register_interruptible(struct device *dev, u8 bank, u8 reg,
 	u8 value);
 int abx500_get_register_interruptible(struct device *dev, u8 bank, u8 reg,
diff --git a/include/linux/mfd/abx500/ab5500.h b/include/linux/mfd/abx500/ab5500.h
new file mode 100644
index 00000000000..a2ac05a8ebc
--- /dev/null
+++ b/include/linux/mfd/abx500/ab5500.h
@@ -0,0 +1,140 @@
+/*
+ * Copyright (C) ST-Ericsson BLR 2011
+ *
+ * License Terms: GNU General Public License v2
+ * Author: Bibek Basu <bibek.basu@stericsson.com>
+ */
+#ifndef MFD_AB5500_H
+#define MFD_AB5500_H
+
+#include <linux/device.h>
+
+
+enum ab5500_devid {
+	AB5500_DEVID_ADC,
+	AB5500_DEVID_LEDS,
+	AB5500_DEVID_POWER,
+	AB5500_DEVID_REGULATORS,
+	AB5500_DEVID_SIM,
+	AB5500_DEVID_RTC,
+	AB5500_DEVID_CHARGER,
+	AB5500_DEVID_FUELGAUGE,
+	AB5500_DEVID_VIBRATOR,
+	AB5500_DEVID_CODEC,
+	AB5500_DEVID_USB,
+	AB5500_DEVID_OTP,
+	AB5500_DEVID_VIDEO,
+	AB5500_DEVID_DBIECI,
+	AB5500_NUM_DEVICES,
+};
+
+enum ab5500_banks {
+	AB5500_BANK_VIT_IO_I2C_CLK_TST_OTP = 0,
+	AB5500_BANK_VDDDIG_IO_I2C_CLK_TST = 1,
+	AB5500_BANK_VDENC = 2,
+	AB5500_BANK_SIM_USBSIM  = 3,
+	AB5500_BANK_LED = 4,
+	AB5500_BANK_ADC  = 5,
+	AB5500_BANK_RTC  = 6,
+	AB5500_BANK_STARTUP  = 7,
+	AB5500_BANK_DBI_ECI  = 8,
+	AB5500_BANK_CHG  = 9,
+	AB5500_BANK_FG_BATTCOM_ACC = 10,
+	AB5500_BANK_USB = 11,
+	AB5500_BANK_IT = 12,
+	AB5500_BANK_VIBRA = 13,
+	AB5500_BANK_AUDIO_HEADSETUSB = 14,
+	AB5500_NUM_BANKS = 15,
+};
+
+enum ab5500_banks_addr {
+	AB5500_ADDR_VIT_IO_I2C_CLK_TST_OTP = 0x4A,
+	AB5500_ADDR_VDDDIG_IO_I2C_CLK_TST = 0x4B,
+	AB5500_ADDR_VDENC = 0x06,
+	AB5500_ADDR_SIM_USBSIM  = 0x04,
+	AB5500_ADDR_LED = 0x10,
+	AB5500_ADDR_ADC  = 0x0A,
+	AB5500_ADDR_RTC  = 0x0F,
+	AB5500_ADDR_STARTUP  = 0x03,
+	AB5500_ADDR_DBI_ECI  = 0x07,
+	AB5500_ADDR_CHG  = 0x0B,
+	AB5500_ADDR_FG_BATTCOM_ACC = 0x0C,
+	AB5500_ADDR_USB = 0x05,
+	AB5500_ADDR_IT = 0x0E,
+	AB5500_ADDR_VIBRA = 0x02,
+	AB5500_ADDR_AUDIO_HEADSETUSB = 0x0D,
+};
+
+/*
+ * Interrupt register offsets
+ * Bank : 0x0E
+ */
+#define AB5500_IT_SOURCE0_REG		0x20
+#define AB5500_IT_SOURCE1_REG		0x21
+#define AB5500_IT_SOURCE2_REG		0x22
+#define AB5500_IT_SOURCE3_REG		0x23
+#define AB5500_IT_SOURCE4_REG		0x24
+#define AB5500_IT_SOURCE5_REG		0x25
+#define AB5500_IT_SOURCE6_REG		0x26
+#define AB5500_IT_SOURCE7_REG		0x27
+#define AB5500_IT_SOURCE8_REG		0x28
+#define AB5500_IT_SOURCE9_REG		0x29
+#define AB5500_IT_SOURCE10_REG		0x2A
+#define AB5500_IT_SOURCE11_REG		0x2B
+#define AB5500_IT_SOURCE12_REG		0x2C
+#define AB5500_IT_SOURCE13_REG		0x2D
+#define AB5500_IT_SOURCE14_REG		0x2E
+#define AB5500_IT_SOURCE15_REG		0x2F
+#define AB5500_IT_SOURCE16_REG		0x30
+#define AB5500_IT_SOURCE17_REG		0x31
+#define AB5500_IT_SOURCE18_REG		0x32
+#define AB5500_IT_SOURCE19_REG		0x33
+#define AB5500_IT_SOURCE20_REG		0x34
+#define AB5500_IT_SOURCE21_REG		0x35
+#define AB5500_IT_SOURCE22_REG		0x36
+#define AB5500_IT_SOURCE23_REG		0x37
+
+#define AB5500_NUM_IRQ_REGS		23
+
+/**
+ * struct ab5500
+ * @access_mutex: lock out concurrent accesses to the AB registers
+ * @dev: a pointer to the device struct for this chip driver
+ * @ab5500_irq: the analog baseband irq
+ * @irq_base: the platform configuration irq base for subdevices
+ * @chip_name: name of this chip variant
+ * @chip_id: 8 bit chip ID for this chip variant
+ * @irq_lock: a lock to protect the mask
+ * @abb_events: a local bit mask of the prcmu wakeup events
+ * @event_mask: a local copy of the mask event registers
+ * @last_event_mask: a copy of the last event_mask written to hardware
+ * @startup_events: a copy of the first reading of the event registers
+ * @startup_events_read: whether the first events have been read
+ */
+struct ab5500 {
+	struct mutex access_mutex;
+	struct device *dev;
+	unsigned int ab5500_irq;
+	unsigned int irq_base;
+	char chip_name[32];
+	u8 chip_id;
+	struct mutex irq_lock;
+	u32 abb_events;
+	u8 mask[AB5500_NUM_IRQ_REGS];
+	u8 oldmask[AB5500_NUM_IRQ_REGS];
+	u8 startup_events[AB5500_NUM_IRQ_REGS];
+	bool startup_events_read;
+#ifdef CONFIG_DEBUG_FS
+	unsigned int debug_bank;
+	unsigned int debug_address;
+#endif
+};
+
+struct ab5500_regulator_platform_data;
+struct ab5500_platform_data {
+		struct {unsigned int base; unsigned int count; } irq;
+		struct ab5500_regulator_platform_data *regulator;
+	};
+
+
+#endif /* MFD_AB5500_H */