[mirror_ubuntu-hirsute-kernel.git] / include / linux / mfd / abx500.h

/*
 * Copyright (C) 2007-2009 ST-Ericsson AB
 * License terms: GNU General Public License (GPL) version 2
 * 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, ab5500, and ab8500.
 *
 * Author: Mattias Wallin <mattias.wallin@stericsson.com>
 * Author: Mattias Nilsson <mattias.i.nilsson@stericsson.com>
 * Author: Bengt Jonsson <bengt.g.jonsson@stericsson.com>
 * Author: Rickard Andersson <rickard.andersson@stericsson.com>
 */

#include <linux/regulator/machine.h>

struct device;

#ifndef MFD_ABX500_H
#define MFD_ABX500_H

#define AB3100_P1A	0xc0
#define AB3100_P1B	0xc1
#define AB3100_P1C	0xc2
#define AB3100_P1D	0xc3
#define AB3100_P1E	0xc4
#define AB3100_P1F	0xc5
#define AB3100_P1G	0xc6
#define AB3100_R2A	0xc7
#define AB3100_R2B	0xc8
#define AB5500_1_0	0x20
#define AB5500_1_1	0x21
#define AB5500_2_0	0x24

/* AB8500 CIDs*/
#define AB8500_CUT1P0	0x10
#define AB8500_CUT1P1	0x11
#define AB8500_CUT2P0	0x20
#define AB8500_CUT3P0	0x30
#define AB8500_CUT3P3	0x33

/*
 * AB3100, EVENTA1, A2 and A3 event register flags
 * these are catenated into a single 32-bit flag in the code
 * for event notification broadcasts.
 */
#define AB3100_EVENTA1_ONSWA				(0x01<<16)
#define AB3100_EVENTA1_ONSWB				(0x02<<16)
#define AB3100_EVENTA1_ONSWC				(0x04<<16)
#define AB3100_EVENTA1_DCIO				(0x08<<16)
#define AB3100_EVENTA1_OVER_TEMP			(0x10<<16)
#define AB3100_EVENTA1_SIM_OFF				(0x20<<16)
#define AB3100_EVENTA1_VBUS				(0x40<<16)
#define AB3100_EVENTA1_VSET_USB				(0x80<<16)

#define AB3100_EVENTA2_READY_TX				(0x01<<8)
#define AB3100_EVENTA2_READY_RX				(0x02<<8)
#define AB3100_EVENTA2_OVERRUN_ERROR			(0x04<<8)
#define AB3100_EVENTA2_FRAMING_ERROR			(0x08<<8)
#define AB3100_EVENTA2_CHARG_OVERCURRENT		(0x10<<8)
#define AB3100_EVENTA2_MIDR				(0x20<<8)
#define AB3100_EVENTA2_BATTERY_REM			(0x40<<8)
#define AB3100_EVENTA2_ALARM				(0x80<<8)

#define AB3100_EVENTA3_ADC_TRIG5			(0x01)
#define AB3100_EVENTA3_ADC_TRIG4			(0x02)
#define AB3100_EVENTA3_ADC_TRIG3			(0x04)
#define AB3100_EVENTA3_ADC_TRIG2			(0x08)
#define AB3100_EVENTA3_ADC_TRIGVBAT			(0x10)
#define AB3100_EVENTA3_ADC_TRIGVTX			(0x20)
#define AB3100_EVENTA3_ADC_TRIG1			(0x40)
#define AB3100_EVENTA3_ADC_TRIG0			(0x80)

/* AB3100, STR register flags */
#define AB3100_STR_ONSWA				(0x01)
#define AB3100_STR_ONSWB				(0x02)
#define AB3100_STR_ONSWC				(0x04)
#define AB3100_STR_DCIO					(0x08)
#define AB3100_STR_BOOT_MODE				(0x10)
#define AB3100_STR_SIM_OFF				(0x20)
#define AB3100_STR_BATT_REMOVAL				(0x40)
#define AB3100_STR_VBUS					(0x80)

/*
 * AB3100 contains 8 regulators, one external regulator controller
 * and a buck converter, further the LDO E and buck converter can
 * have separate settings if they are in sleep mode, this is
 * modeled as a separate regulator.
 */
#define AB3100_NUM_REGULATORS				10

/**
 * struct ab3100
 * @access_mutex: lock out concurrent accesses to the AB3100 registers
 * @dev: pointer to the containing device
 * @i2c_client: I2C client for this chip
 * @testreg_client: secondary client for test registers
 * @chip_name: name of this chip variant
 * @chip_id: 8 bit chip ID for this chip variant
 * @event_subscribers: event subscribers are listed here
 * @startup_events: a copy of the first reading of the event registers
 * @startup_events_read: whether the first events have been read
 *
 * This struct is PRIVATE and devices using it should NOT
 * access ANY fields. It is used as a token for calling the
 * AB3100 functions.
 */
struct ab3100 {
	struct mutex access_mutex;
	struct device *dev;
	struct i2c_client *i2c_client;
	struct i2c_client *testreg_client;
	char chip_name[32];
	u8 chip_id;
	struct blocking_notifier_head event_subscribers;
	u8 startup_events[3];
	bool startup_events_read;
};

/**
 * struct ab3100_platform_data
 * Data supplied to initialize board connections to the AB3100
 * @reg_constraints: regulator constraints for target board
 *     the order of these constraints are: LDO A, C, D, E,
 *     F, G, H, K, EXT and BUCK.
 * @reg_initvals: initial values for the regulator registers
 *     plus two sleep settings for LDO E and the BUCK converter.
 *     exactly AB3100_NUM_REGULATORS+2 values must be sent in.
 *     Order: LDO A, C, E, E sleep, F, G, H, K, EXT, BUCK,
 *     BUCK sleep, LDO D. (LDO D need to be initialized last.)
 * @external_voltage: voltage level of the external regulator.
 */
struct ab3100_platform_data {
	struct regulator_init_data reg_constraints[AB3100_NUM_REGULATORS];
	u8 reg_initvals[AB3100_NUM_REGULATORS+2];
	int external_voltage;
};

int ab3100_event_register(struct ab3100 *ab3100,
			  struct notifier_block *nb);
int ab3100_event_unregister(struct ab3100 *ab3100,
			    struct notifier_block *nb);

/**
 * struct abx500_init_setting
 * Initial value of the registers for driver to use during setup.
 */
struct abx500_init_settings {
	u8 bank;
	u8 reg;
	u8 setting;
};

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,
	u8 *value);
int abx500_get_register_page_interruptible(struct device *dev, u8 bank,
	u8 first_reg, u8 *regvals, u8 numregs);
int abx500_set_register_page_interruptible(struct device *dev, u8 bank,
	u8 first_reg, u8 *regvals, u8 numregs);
/**
 * abx500_mask_and_set_register_inerruptible() - Modifies selected bits of a
 *	target register
 *
 * @dev: The AB sub device.
 * @bank: The i2c bank number.
 * @bitmask: The bit mask to use.
 * @bitvalues: The new bit values.
 *
 * Updates the value of an AB register:
 * value -> ((value & ~bitmask) | (bitvalues & bitmask))
 */
int abx500_mask_and_set_register_interruptible(struct device *dev, u8 bank,
	u8 reg, u8 bitmask, u8 bitvalues);
int abx500_get_chip_id(struct device *dev);
int abx500_event_registers_startup_state_get(struct device *dev, u8 *event);
int abx500_startup_irq_enabled(struct device *dev, unsigned int irq);

struct abx500_ops {
	int (*get_chip_id) (struct device *);
	int (*get_register) (struct device *, u8, u8, u8 *);
	int (*set_register) (struct device *, u8, u8, u8);
	int (*get_register_page) (struct device *, u8, u8, u8 *, u8);
	int (*set_register_page) (struct device *, u8, u8, u8 *, u8);
	int (*mask_and_set_register) (struct device *, u8, u8, u8, u8);
	int (*event_registers_startup_state_get) (struct device *, u8 *);
	int (*startup_irq_enabled) (struct device *, unsigned int);
};

int abx500_register_ops(struct device *core_dev, struct abx500_ops *ops);
void abx500_remove_ops(struct device *dev);
#endif
Commit	Line	Data
14fa5691 LW	1	/*
	2	* Copyright (C) 2007-2009 ST-Ericsson AB
	3	* License terms: GNU General Public License (GPL) version 2
	4	* AB3100 core access functions
	5	* Author: Linus Walleij <linus.walleij@stericsson.com>
fa661258 MW	6	*
	7	* ABX500 core access functions.
	8	* The abx500 interface is used for the Analog Baseband chip
8959e743	9	* ab3100, ab5500, and ab8500.
fa661258 MW	10	*
	11	* Author: Mattias Wallin <mattias.wallin@stericsson.com>
	12	* Author: Mattias Nilsson <mattias.i.nilsson@stericsson.com>
	13	* Author: Bengt Jonsson <bengt.g.jonsson@stericsson.com>
	14	* Author: Rickard Andersson <rickard.andersson@stericsson.com>
14fa5691 LW	15	*/
14fa5691 LW	16
d619bc14	17	#include <linux/regulator/machine.h>
14fa5691	18
313162d0 PG	19	struct device;
313162d0 PG	20
fa661258 MW	21	#ifndef MFD_ABX500_H
fa661258 MW	22	#define MFD_ABX500_H
14fa5691	23
fa661258 MW	24	#define AB3100_P1A 0xc0
	25	#define AB3100_P1B 0xc1
	26	#define AB3100_P1C 0xc2
	27	#define AB3100_P1D 0xc3
	28	#define AB3100_P1E 0xc4
	29	#define AB3100_P1F 0xc5
	30	#define AB3100_P1G 0xc6
	31	#define AB3100_R2A 0xc7
	32	#define AB3100_R2B 0xc8
fa661258	33	#define AB5500_1_0 0x20
3d5e2cab MW	34	#define AB5500_1_1 0x21
3d5e2cab MW	35	#define AB5500_2_0 0x24
14fa5691	36
863dde5b	37	/* AB8500 CIDs*/
863dde5b LW	38	#define AB8500_CUT1P0 0x10
	39	#define AB8500_CUT1P1 0x11
	40	#define AB8500_CUT2P0 0x20
	41	#define AB8500_CUT3P0 0x30
b958f7a7	42	#define AB8500_CUT3P3 0x33
863dde5b	43
14fa5691 LW	44	/*
	45	* AB3100, EVENTA1, A2 and A3 event register flags
	46	* these are catenated into a single 32-bit flag in the code
	47	* for event notification broadcasts.
	48	*/
	49	#define AB3100_EVENTA1_ONSWA (0x01<<16)
	50	#define AB3100_EVENTA1_ONSWB (0x02<<16)
	51	#define AB3100_EVENTA1_ONSWC (0x04<<16)
	52	#define AB3100_EVENTA1_DCIO (0x08<<16)
	53	#define AB3100_EVENTA1_OVER_TEMP (0x10<<16)
	54	#define AB3100_EVENTA1_SIM_OFF (0x20<<16)
	55	#define AB3100_EVENTA1_VBUS (0x40<<16)
	56	#define AB3100_EVENTA1_VSET_USB (0x80<<16)
	57
	58	#define AB3100_EVENTA2_READY_TX (0x01<<8)
	59	#define AB3100_EVENTA2_READY_RX (0x02<<8)
	60	#define AB3100_EVENTA2_OVERRUN_ERROR (0x04<<8)
	61	#define AB3100_EVENTA2_FRAMING_ERROR (0x08<<8)
	62	#define AB3100_EVENTA2_CHARG_OVERCURRENT (0x10<<8)
	63	#define AB3100_EVENTA2_MIDR (0x20<<8)
	64	#define AB3100_EVENTA2_BATTERY_REM (0x40<<8)
	65	#define AB3100_EVENTA2_ALARM (0x80<<8)
	66
	67	#define AB3100_EVENTA3_ADC_TRIG5 (0x01)
	68	#define AB3100_EVENTA3_ADC_TRIG4 (0x02)
	69	#define AB3100_EVENTA3_ADC_TRIG3 (0x04)
	70	#define AB3100_EVENTA3_ADC_TRIG2 (0x08)
	71	#define AB3100_EVENTA3_ADC_TRIGVBAT (0x10)
	72	#define AB3100_EVENTA3_ADC_TRIGVTX (0x20)
	73	#define AB3100_EVENTA3_ADC_TRIG1 (0x40)
	74	#define AB3100_EVENTA3_ADC_TRIG0 (0x80)
	75
	76	/* AB3100, STR register flags */
	77	#define AB3100_STR_ONSWA (0x01)
	78	#define AB3100_STR_ONSWB (0x02)
	79	#define AB3100_STR_ONSWC (0x04)
	80	#define AB3100_STR_DCIO (0x08)
	81	#define AB3100_STR_BOOT_MODE (0x10)
	82	#define AB3100_STR_SIM_OFF (0x20)
	83	#define AB3100_STR_BATT_REMOVAL (0x40)
	84	#define AB3100_STR_VBUS (0x80)
	85
d619bc14 LW	86	/*
	87	* AB3100 contains 8 regulators, one external regulator controller
	88	* and a buck converter, further the LDO E and buck converter can
	89	* have separate settings if they are in sleep mode, this is
	90	* modeled as a separate regulator.
	91	*/
	92	#define AB3100_NUM_REGULATORS 10
	93
14fa5691 LW	94	/**
	95	* struct ab3100
	96	* @access_mutex: lock out concurrent accesses to the AB3100 registers
	97	* @dev: pointer to the containing device
	98	* @i2c_client: I2C client for this chip
	99	* @testreg_client: secondary client for test registers
	100	* @chip_name: name of this chip variant
	101	* @chip_id: 8 bit chip ID for this chip variant
14fa5691 LW	102	* @event_subscribers: event subscribers are listed here
	103	* @startup_events: a copy of the first reading of the event registers
	104	* @startup_events_read: whether the first events have been read
	105	*
	106	* This struct is PRIVATE and devices using it should NOT
	107	* access ANY fields. It is used as a token for calling the
	108	* AB3100 functions.
	109	*/
	110	struct ab3100 {
	111	struct mutex access_mutex;
	112	struct device *dev;
	113	struct i2c_client *i2c_client;
	114	struct i2c_client *testreg_client;
	115	char chip_name[32];
	116	u8 chip_id;
14fa5691	117	struct blocking_notifier_head event_subscribers;
fa661258	118	u8 startup_events[3];
14fa5691 LW	119	bool startup_events_read;
	120	};
	121
d619bc14 LW	122	/**
	123	* struct ab3100_platform_data
	124	* Data supplied to initialize board connections to the AB3100
	125	* @reg_constraints: regulator constraints for target board
	126	* the order of these constraints are: LDO A, C, D, E,
	127	* F, G, H, K, EXT and BUCK.
	128	* @reg_initvals: initial values for the regulator registers
	129	* plus two sleep settings for LDO E and the BUCK converter.
	130	* exactly AB3100_NUM_REGULATORS+2 values must be sent in.
	131	* Order: LDO A, C, E, E sleep, F, G, H, K, EXT, BUCK,
	132	* BUCK sleep, LDO D. (LDO D need to be initialized last.)
	133	* @external_voltage: voltage level of the external regulator.
	134	*/
	135	struct ab3100_platform_data {
	136	struct regulator_init_data reg_constraints[AB3100_NUM_REGULATORS];
	137	u8 reg_initvals[AB3100_NUM_REGULATORS+2];
	138	int external_voltage;
	139	};
	140
14fa5691 LW	141	int ab3100_event_register(struct ab3100 *ab3100,
	142	struct notifier_block *nb);
	143	int ab3100_event_unregister(struct ab3100 *ab3100,
	144	struct notifier_block *nb);
14fa5691	145
fa661258 MW	146	/**
	147	* struct abx500_init_setting
	148	* Initial value of the registers for driver to use during setup.
	149	*/
	150	struct abx500_init_settings {
	151	u8 bank;
	152	u8 reg;
	153	u8 setting;
	154	};
	155
fa661258 MW	156	int abx500_set_register_interruptible(struct device *dev, u8 bank, u8 reg,
	157	u8 value);
	158	int abx500_get_register_interruptible(struct device *dev, u8 bank, u8 reg,
	159	u8 *value);
	160	int abx500_get_register_page_interruptible(struct device *dev, u8 bank,
	161	u8 first_reg, u8 *regvals, u8 numregs);
	162	int abx500_set_register_page_interruptible(struct device *dev, u8 bank,
	163	u8 first_reg, u8 *regvals, u8 numregs);
	164	/**
	165	* abx500_mask_and_set_register_inerruptible() - Modifies selected bits of a
	166	* target register
	167	*
	168	* @dev: The AB sub device.
	169	* @bank: The i2c bank number.
	170	* @bitmask: The bit mask to use.
	171	* @bitvalues: The new bit values.
	172	*
	173	* Updates the value of an AB register:
	174	* value -> ((value & ~bitmask) \| (bitvalues & bitmask))
	175	*/
	176	int abx500_mask_and_set_register_interruptible(struct device *dev, u8 bank,
	177	u8 reg, u8 bitmask, u8 bitvalues);
	178	int abx500_get_chip_id(struct device *dev);
	179	int abx500_event_registers_startup_state_get(struct device dev, u8 event);
	180	int abx500_startup_irq_enabled(struct device *dev, unsigned int irq);
	181
	182	struct abx500_ops {
	183	int (get_chip_id) (struct device );
	184	int (get_register) (struct device , u8, u8, u8 *);
	185	int (set_register) (struct device , u8, u8, u8);
	186	int (get_register_page) (struct device , u8, u8, u8 *, u8);
	187	int (set_register_page) (struct device , u8, u8, u8 *, u8);
	188	int (mask_and_set_register) (struct device , u8, u8, u8, u8);
	189	int (event_registers_startup_state_get) (struct device , u8 *);
	190	int (startup_irq_enabled) (struct device , unsigned int);
	191	};
	192
	193	int abx500_register_ops(struct device core_dev, struct abx500_ops ops);
c6252e9c	194	void abx500_remove_ops(struct device *dev);
14fa5691	195	#endif