Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

Conflicts:
	drivers/power/wm97xx_battery.c

1 files changed, 289 insertions, 0 deletions

diff --git a/include/linux/mfd/wm831x/core.h b/include/linux/mfd/wm831x/core.h
new file mode 100644
index 00000000000..91eb493bf14
--- /dev/null
+++ b/include/linux/mfd/wm831x/core.h
@@ -0,0 +1,289 @@
+/*
+ * include/linux/mfd/wm831x/core.h -- Core interface for WM831x
+ *
+ * Copyright 2009 Wolfson Microelectronics PLC.
+ *
+ * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
+ *
+ *  This program is free software; you can redistribute  it and/or modify it
+ *  under  the terms of  the GNU General  Public License as published by the
+ *  Free Software Foundation;  either version 2 of the  License, or (at your
+ *  option) any later version.
+ *
+ */
+
+#ifndef __MFD_WM831X_CORE_H__
+#define __MFD_WM831X_CORE_H__
+
+#include <linux/interrupt.h>
+#include <linux/workqueue.h>
+
+/*
+ * Register values.
+ */
+#define WM831X_RESET_ID                         0x00
+#define WM831X_REVISION                         0x01
+#define WM831X_PARENT_ID                        0x4000
+#define WM831X_SYSVDD_CONTROL                   0x4001
+#define WM831X_THERMAL_MONITORING               0x4002
+#define WM831X_POWER_STATE                      0x4003
+#define WM831X_WATCHDOG                         0x4004
+#define WM831X_ON_PIN_CONTROL                   0x4005
+#define WM831X_RESET_CONTROL                    0x4006
+#define WM831X_CONTROL_INTERFACE                0x4007
+#define WM831X_SECURITY_KEY                     0x4008
+#define WM831X_SOFTWARE_SCRATCH                 0x4009
+#define WM831X_OTP_CONTROL                      0x400A
+#define WM831X_GPIO_LEVEL                       0x400C
+#define WM831X_SYSTEM_STATUS                    0x400D
+#define WM831X_ON_SOURCE                        0x400E
+#define WM831X_OFF_SOURCE                       0x400F
+#define WM831X_SYSTEM_INTERRUPTS                0x4010
+#define WM831X_INTERRUPT_STATUS_1               0x4011
+#define WM831X_INTERRUPT_STATUS_2               0x4012
+#define WM831X_INTERRUPT_STATUS_3               0x4013
+#define WM831X_INTERRUPT_STATUS_4               0x4014
+#define WM831X_INTERRUPT_STATUS_5               0x4015
+#define WM831X_IRQ_CONFIG                       0x4017
+#define WM831X_SYSTEM_INTERRUPTS_MASK           0x4018
+#define WM831X_INTERRUPT_STATUS_1_MASK          0x4019
+#define WM831X_INTERRUPT_STATUS_2_MASK          0x401A
+#define WM831X_INTERRUPT_STATUS_3_MASK          0x401B
+#define WM831X_INTERRUPT_STATUS_4_MASK          0x401C
+#define WM831X_INTERRUPT_STATUS_5_MASK          0x401D
+#define WM831X_RTC_WRITE_COUNTER                0x4020
+#define WM831X_RTC_TIME_1                       0x4021
+#define WM831X_RTC_TIME_2                       0x4022
+#define WM831X_RTC_ALARM_1                      0x4023
+#define WM831X_RTC_ALARM_2                      0x4024
+#define WM831X_RTC_CONTROL                      0x4025
+#define WM831X_RTC_TRIM                         0x4026
+#define WM831X_TOUCH_CONTROL_1                  0x4028
+#define WM831X_TOUCH_CONTROL_2                  0x4029
+#define WM831X_TOUCH_DATA_X                     0x402A
+#define WM831X_TOUCH_DATA_Y                     0x402B
+#define WM831X_TOUCH_DATA_Z                     0x402C
+#define WM831X_AUXADC_DATA                      0x402D
+#define WM831X_AUXADC_CONTROL                   0x402E
+#define WM831X_AUXADC_SOURCE                    0x402F
+#define WM831X_COMPARATOR_CONTROL               0x4030
+#define WM831X_COMPARATOR_1                     0x4031
+#define WM831X_COMPARATOR_2                     0x4032
+#define WM831X_COMPARATOR_3                     0x4033
+#define WM831X_COMPARATOR_4                     0x4034
+#define WM831X_GPIO1_CONTROL                    0x4038
+#define WM831X_GPIO2_CONTROL                    0x4039
+#define WM831X_GPIO3_CONTROL                    0x403A
+#define WM831X_GPIO4_CONTROL                    0x403B
+#define WM831X_GPIO5_CONTROL                    0x403C
+#define WM831X_GPIO6_CONTROL                    0x403D
+#define WM831X_GPIO7_CONTROL                    0x403E
+#define WM831X_GPIO8_CONTROL                    0x403F
+#define WM831X_GPIO9_CONTROL                    0x4040
+#define WM831X_GPIO10_CONTROL                   0x4041
+#define WM831X_GPIO11_CONTROL                   0x4042
+#define WM831X_GPIO12_CONTROL                   0x4043
+#define WM831X_GPIO13_CONTROL                   0x4044
+#define WM831X_GPIO14_CONTROL                   0x4045
+#define WM831X_GPIO15_CONTROL                   0x4046
+#define WM831X_GPIO16_CONTROL                   0x4047
+#define WM831X_CHARGER_CONTROL_1                0x4048
+#define WM831X_CHARGER_CONTROL_2                0x4049
+#define WM831X_CHARGER_STATUS                   0x404A
+#define WM831X_BACKUP_CHARGER_CONTROL           0x404B
+#define WM831X_STATUS_LED_1                     0x404C
+#define WM831X_STATUS_LED_2                     0x404D
+#define WM831X_CURRENT_SINK_1                   0x404E
+#define WM831X_CURRENT_SINK_2                   0x404F
+#define WM831X_DCDC_ENABLE                      0x4050
+#define WM831X_LDO_ENABLE                       0x4051
+#define WM831X_DCDC_STATUS                      0x4052
+#define WM831X_LDO_STATUS                       0x4053
+#define WM831X_DCDC_UV_STATUS                   0x4054
+#define WM831X_LDO_UV_STATUS                    0x4055
+#define WM831X_DC1_CONTROL_1                    0x4056
+#define WM831X_DC1_CONTROL_2                    0x4057
+#define WM831X_DC1_ON_CONFIG                    0x4058
+#define WM831X_DC1_SLEEP_CONTROL                0x4059
+#define WM831X_DC1_DVS_CONTROL                  0x405A
+#define WM831X_DC2_CONTROL_1                    0x405B
+#define WM831X_DC2_CONTROL_2                    0x405C
+#define WM831X_DC2_ON_CONFIG                    0x405D
+#define WM831X_DC2_SLEEP_CONTROL                0x405E
+#define WM831X_DC2_DVS_CONTROL                  0x405F
+#define WM831X_DC3_CONTROL_1                    0x4060
+#define WM831X_DC3_CONTROL_2                    0x4061
+#define WM831X_DC3_ON_CONFIG                    0x4062
+#define WM831X_DC3_SLEEP_CONTROL                0x4063
+#define WM831X_DC4_CONTROL                      0x4064
+#define WM831X_DC4_SLEEP_CONTROL                0x4065
+#define WM831X_EPE1_CONTROL                     0x4066
+#define WM831X_EPE2_CONTROL                     0x4067
+#define WM831X_LDO1_CONTROL                     0x4068
+#define WM831X_LDO1_ON_CONTROL                  0x4069
+#define WM831X_LDO1_SLEEP_CONTROL               0x406A
+#define WM831X_LDO2_CONTROL                     0x406B
+#define WM831X_LDO2_ON_CONTROL                  0x406C
+#define WM831X_LDO2_SLEEP_CONTROL               0x406D
+#define WM831X_LDO3_CONTROL                     0x406E
+#define WM831X_LDO3_ON_CONTROL                  0x406F
+#define WM831X_LDO3_SLEEP_CONTROL               0x4070
+#define WM831X_LDO4_CONTROL                     0x4071
+#define WM831X_LDO4_ON_CONTROL                  0x4072
+#define WM831X_LDO4_SLEEP_CONTROL               0x4073
+#define WM831X_LDO5_CONTROL                     0x4074
+#define WM831X_LDO5_ON_CONTROL                  0x4075
+#define WM831X_LDO5_SLEEP_CONTROL               0x4076
+#define WM831X_LDO6_CONTROL                     0x4077
+#define WM831X_LDO6_ON_CONTROL                  0x4078
+#define WM831X_LDO6_SLEEP_CONTROL               0x4079
+#define WM831X_LDO7_CONTROL                     0x407A
+#define WM831X_LDO7_ON_CONTROL                  0x407B
+#define WM831X_LDO7_SLEEP_CONTROL               0x407C
+#define WM831X_LDO8_CONTROL                     0x407D
+#define WM831X_LDO8_ON_CONTROL                  0x407E
+#define WM831X_LDO8_SLEEP_CONTROL               0x407F
+#define WM831X_LDO9_CONTROL                     0x4080
+#define WM831X_LDO9_ON_CONTROL                  0x4081
+#define WM831X_LDO9_SLEEP_CONTROL               0x4082
+#define WM831X_LDO10_CONTROL                    0x4083
+#define WM831X_LDO10_ON_CONTROL                 0x4084
+#define WM831X_LDO10_SLEEP_CONTROL              0x4085
+#define WM831X_LDO11_ON_CONTROL                 0x4087
+#define WM831X_LDO11_SLEEP_CONTROL              0x4088
+#define WM831X_POWER_GOOD_SOURCE_1              0x408E
+#define WM831X_POWER_GOOD_SOURCE_2              0x408F
+#define WM831X_CLOCK_CONTROL_1                  0x4090
+#define WM831X_CLOCK_CONTROL_2                  0x4091
+#define WM831X_FLL_CONTROL_1                    0x4092
+#define WM831X_FLL_CONTROL_2                    0x4093
+#define WM831X_FLL_CONTROL_3                    0x4094
+#define WM831X_FLL_CONTROL_4                    0x4095
+#define WM831X_FLL_CONTROL_5                    0x4096
+#define WM831X_UNIQUE_ID_1                      0x7800
+#define WM831X_UNIQUE_ID_2                      0x7801
+#define WM831X_UNIQUE_ID_3                      0x7802
+#define WM831X_UNIQUE_ID_4                      0x7803
+#define WM831X_UNIQUE_ID_5                      0x7804
+#define WM831X_UNIQUE_ID_6                      0x7805
+#define WM831X_UNIQUE_ID_7                      0x7806
+#define WM831X_UNIQUE_ID_8                      0x7807
+#define WM831X_FACTORY_OTP_ID                   0x7808
+#define WM831X_FACTORY_OTP_1                    0x7809
+#define WM831X_FACTORY_OTP_2                    0x780A
+#define WM831X_FACTORY_OTP_3                    0x780B
+#define WM831X_FACTORY_OTP_4                    0x780C
+#define WM831X_FACTORY_OTP_5                    0x780D
+#define WM831X_CUSTOMER_OTP_ID                  0x7810
+#define WM831X_DC1_OTP_CONTROL                  0x7811
+#define WM831X_DC2_OTP_CONTROL                  0x7812
+#define WM831X_DC3_OTP_CONTROL                  0x7813
+#define WM831X_LDO1_2_OTP_CONTROL               0x7814
+#define WM831X_LDO3_4_OTP_CONTROL               0x7815
+#define WM831X_LDO5_6_OTP_CONTROL               0x7816
+#define WM831X_LDO7_8_OTP_CONTROL               0x7817
+#define WM831X_LDO9_10_OTP_CONTROL              0x7818
+#define WM831X_LDO11_EPE_CONTROL                0x7819
+#define WM831X_GPIO1_OTP_CONTROL                0x781A
+#define WM831X_GPIO2_OTP_CONTROL                0x781B
+#define WM831X_GPIO3_OTP_CONTROL                0x781C
+#define WM831X_GPIO4_OTP_CONTROL                0x781D
+#define WM831X_GPIO5_OTP_CONTROL                0x781E
+#define WM831X_GPIO6_OTP_CONTROL                0x781F
+#define WM831X_DBE_CHECK_DATA                   0x7827
+
+/*
+ * R0 (0x00) - Reset ID
+ */
+#define WM831X_CHIP_ID_MASK                     0xFFFF  /* CHIP_ID - [15:0] */
+#define WM831X_CHIP_ID_SHIFT                         0  /* CHIP_ID - [15:0] */
+#define WM831X_CHIP_ID_WIDTH                        16  /* CHIP_ID - [15:0] */
+
+/*
+ * R1 (0x01) - Revision
+ */
+#define WM831X_PARENT_REV_MASK                  0xFF00  /* PARENT_REV - [15:8] */
+#define WM831X_PARENT_REV_SHIFT                      8  /* PARENT_REV - [15:8] */
+#define WM831X_PARENT_REV_WIDTH                      8  /* PARENT_REV - [15:8] */
+#define WM831X_CHILD_REV_MASK                   0x00FF  /* CHILD_REV - [7:0] */
+#define WM831X_CHILD_REV_SHIFT                       0  /* CHILD_REV - [7:0] */
+#define WM831X_CHILD_REV_WIDTH                       8  /* CHILD_REV - [7:0] */
+
+/*
+ * R16384 (0x4000) - Parent ID
+ */
+#define WM831X_PARENT_ID_MASK                   0xFFFF  /* PARENT_ID - [15:0] */
+#define WM831X_PARENT_ID_SHIFT                       0  /* PARENT_ID - [15:0] */
+#define WM831X_PARENT_ID_WIDTH                      16  /* PARENT_ID - [15:0] */
+
+/*
+ * R16389 (0x4005) - ON Pin Control
+ */
+#define WM831X_ON_PIN_SECACT_MASK               0x0300  /* ON_PIN_SECACT - [9:8] */
+#define WM831X_ON_PIN_SECACT_SHIFT                   8  /* ON_PIN_SECACT - [9:8] */
+#define WM831X_ON_PIN_SECACT_WIDTH                   2  /* ON_PIN_SECACT - [9:8] */
+#define WM831X_ON_PIN_PRIMACT_MASK              0x0030  /* ON_PIN_PRIMACT - [5:4] */
+#define WM831X_ON_PIN_PRIMACT_SHIFT                  4  /* ON_PIN_PRIMACT - [5:4] */
+#define WM831X_ON_PIN_PRIMACT_WIDTH                  2  /* ON_PIN_PRIMACT - [5:4] */
+#define WM831X_ON_PIN_STS                       0x0008  /* ON_PIN_STS */
+#define WM831X_ON_PIN_STS_MASK                  0x0008  /* ON_PIN_STS */
+#define WM831X_ON_PIN_STS_SHIFT                      3  /* ON_PIN_STS */
+#define WM831X_ON_PIN_STS_WIDTH                      1  /* ON_PIN_STS */
+#define WM831X_ON_PIN_TO_MASK                   0x0003  /* ON_PIN_TO - [1:0] */
+#define WM831X_ON_PIN_TO_SHIFT                       0  /* ON_PIN_TO - [1:0] */
+#define WM831X_ON_PIN_TO_WIDTH                       2  /* ON_PIN_TO - [1:0] */
+
+struct regulator_dev;
+
+struct wm831x {
+	struct mutex io_lock;
+
+	struct device *dev;
+	int (*read_dev)(struct wm831x *wm831x, unsigned short reg,
+			int bytes, void *dest);
+	int (*write_dev)(struct wm831x *wm831x, unsigned short reg,
+			 int bytes, void *src);
+
+	void *control_data;
+
+	int irq;  /* Our chip IRQ */
+	struct mutex irq_lock;
+	struct workqueue_struct *irq_wq;
+	struct work_struct irq_work;
+	unsigned int irq_base;
+	int irq_masks[5];
+
+	struct mutex auxadc_lock;
+
+	/* The WM831x has a security key blocking access to certain
+	 * registers.  The mutex is taken by the accessors for locking
+	 * and unlocking the security key, locked is used to fail
+	 * writes if the lock is held.
+	 */
+	struct mutex key_lock;
+	unsigned int locked:1;
+};
+
+/* Device I/O API */
+int wm831x_reg_read(struct wm831x *wm831x, unsigned short reg);
+int wm831x_reg_write(struct wm831x *wm831x, unsigned short reg,
+		 unsigned short val);
+void wm831x_reg_lock(struct wm831x *wm831x);
+int wm831x_reg_unlock(struct wm831x *wm831x);
+int wm831x_set_bits(struct wm831x *wm831x, unsigned short reg,
+		    unsigned short mask, unsigned short val);
+int wm831x_bulk_read(struct wm831x *wm831x, unsigned short reg,
+		     int count, u16 *buf);
+
+int wm831x_irq_init(struct wm831x *wm831x, int irq);
+void wm831x_irq_exit(struct wm831x *wm831x);
+
+int __must_check wm831x_request_irq(struct wm831x *wm831x,
+				    unsigned int irq, irq_handler_t handler,
+				    unsigned long flags, const char *name,
+				    void *dev);
+void wm831x_free_irq(struct wm831x *wm831x, unsigned int, void *);
+void wm831x_disable_irq(struct wm831x *wm831x, int irq);
+void wm831x_enable_irq(struct wm831x *wm831x, int irq);
+
+#endif