[GitHub/mt8127/android_kernel_alcatel_ttab.git] / include / linux / ucb1400.h

/*
 * Register definitions and functions for:
 *  Philips UCB1400 driver
 *
 * Based on ucb1400_ts:
 *  Author:	Nicolas Pitre
 *  Created:	September 25, 2006
 *  Copyright:	MontaVista Software, Inc.
 *
 * Spliting done by: Marek Vasut <marek.vasut@gmail.com>
 * If something doesn't work and it worked before spliting, e-mail me,
 * dont bother Nicolas please ;-)
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 * This code is heavily based on ucb1x00-*.c copyrighted by Russell King
 * covering the UCB1100, UCB1200 and UCB1300..  Support for the UCB1400 has
 * been made separate from ucb1x00-core/ucb1x00-ts on Russell's request.
 */

#ifndef _LINUX__UCB1400_H
#define _LINUX__UCB1400_H

#include <sound/ac97_codec.h>
#include <linux/mutex.h>
#include <linux/platform_device.h>
#include <linux/gpio.h>

/*
 * UCB1400 AC-link registers
 */

#define UCB_IO_DATA		0x5a
#define UCB_IO_DIR		0x5c
#define UCB_IE_RIS		0x5e
#define UCB_IE_FAL		0x60
#define UCB_IE_STATUS		0x62
#define UCB_IE_CLEAR		0x62
#define UCB_IE_ADC		(1 << 11)
#define UCB_IE_TSPX		(1 << 12)

#define UCB_TS_CR		0x64
#define UCB_TS_CR_TSMX_POW	(1 << 0)
#define UCB_TS_CR_TSPX_POW	(1 << 1)
#define UCB_TS_CR_TSMY_POW	(1 << 2)
#define UCB_TS_CR_TSPY_POW	(1 << 3)
#define UCB_TS_CR_TSMX_GND	(1 << 4)
#define UCB_TS_CR_TSPX_GND	(1 << 5)
#define UCB_TS_CR_TSMY_GND	(1 << 6)
#define UCB_TS_CR_TSPY_GND	(1 << 7)
#define UCB_TS_CR_MODE_INT	(0 << 8)
#define UCB_TS_CR_MODE_PRES	(1 << 8)
#define UCB_TS_CR_MODE_POS	(2 << 8)
#define UCB_TS_CR_BIAS_ENA	(1 << 11)
#define UCB_TS_CR_TSPX_LOW	(1 << 12)
#define UCB_TS_CR_TSMX_LOW	(1 << 13)

#define UCB_ADC_CR		0x66
#define UCB_ADC_SYNC_ENA	(1 << 0)
#define UCB_ADC_VREFBYP_CON	(1 << 1)
#define UCB_ADC_INP_TSPX	(0 << 2)
#define UCB_ADC_INP_TSMX	(1 << 2)
#define UCB_ADC_INP_TSPY	(2 << 2)
#define UCB_ADC_INP_TSMY	(3 << 2)
#define UCB_ADC_INP_AD0		(4 << 2)
#define UCB_ADC_INP_AD1		(5 << 2)
#define UCB_ADC_INP_AD2		(6 << 2)
#define UCB_ADC_INP_AD3		(7 << 2)
#define UCB_ADC_EXT_REF		(1 << 5)
#define UCB_ADC_START		(1 << 7)
#define UCB_ADC_ENA		(1 << 15)

#define UCB_ADC_DATA		0x68
#define UCB_ADC_DAT_VALID	(1 << 15)

#define UCB_FCSR		0x6c
#define UCB_FCSR_AVE		(1 << 12)

#define UCB_ADC_DAT_MASK	0x3ff

#define UCB_ID			0x7e
#define UCB_ID_1400             0x4304

struct ucb1400_gpio {
	struct gpio_chip	gc;
	struct snd_ac97		*ac97;
	int			gpio_offset;
	int			(*gpio_setup)(struct device *dev, int ngpio);
	int			(*gpio_teardown)(struct device *dev, int ngpio);
};

struct ucb1400_ts {
	struct input_dev	*ts_idev;
	int			id;
	int			irq;
	struct snd_ac97		*ac97;
	wait_queue_head_t	ts_wait;
	bool			stopped;
};

struct ucb1400 {
	struct platform_device	*ucb1400_ts;
	struct platform_device	*ucb1400_gpio;
};

struct ucb1400_pdata {
	int	irq;
	int	gpio_offset;
	int	(*gpio_setup)(struct device *dev, int ngpio);
	int	(*gpio_teardown)(struct device *dev, int ngpio);
};

static inline u16 ucb1400_reg_read(struct snd_ac97 *ac97, u16 reg)
{
	return ac97->bus->ops->read(ac97, reg);
}

static inline void ucb1400_reg_write(struct snd_ac97 *ac97, u16 reg, u16 val)
{
	ac97->bus->ops->write(ac97, reg, val);
}

static inline u16 ucb1400_gpio_get_value(struct snd_ac97 *ac97, u16 gpio)
{
	return ucb1400_reg_read(ac97, UCB_IO_DATA) & (1 << gpio);
}

static inline void ucb1400_gpio_set_value(struct snd_ac97 *ac97, u16 gpio,
						u16 val)
{
	ucb1400_reg_write(ac97, UCB_IO_DATA, val ?
			ucb1400_reg_read(ac97, UCB_IO_DATA) | (1 << gpio) :
			ucb1400_reg_read(ac97, UCB_IO_DATA) & ~(1 << gpio));
}

static inline u16 ucb1400_gpio_get_direction(struct snd_ac97 *ac97, u16 gpio)
{
	return ucb1400_reg_read(ac97, UCB_IO_DIR) & (1 << gpio);
}

static inline void ucb1400_gpio_set_direction(struct snd_ac97 *ac97, u16 gpio,
						u16 dir)
{
	ucb1400_reg_write(ac97, UCB_IO_DIR, dir ?
			ucb1400_reg_read(ac97, UCB_IO_DIR) | (1 << gpio) :
			ucb1400_reg_read(ac97, UCB_IO_DIR) & ~(1 << gpio));
}

static inline void ucb1400_adc_enable(struct snd_ac97 *ac97)
{
	ucb1400_reg_write(ac97, UCB_ADC_CR, UCB_ADC_ENA);
}

static inline void ucb1400_adc_disable(struct snd_ac97 *ac97)
{
	ucb1400_reg_write(ac97, UCB_ADC_CR, 0);
}


unsigned int ucb1400_adc_read(struct snd_ac97 *ac97, u16 adc_channel,
			      int adcsync);

#endif
Commit	Line	Data
d9105c2b MV	1	/*
	2	* Register definitions and functions for:
	3	* Philips UCB1400 driver
	4	*
	5	* Based on ucb1400_ts:
	6	* Author: Nicolas Pitre
	7	* Created: September 25, 2006
	8	* Copyright: MontaVista Software, Inc.
	9	*
	10	* Spliting done by: Marek Vasut <marek.vasut@gmail.com>
25985edc	11	* If something doesn't work and it worked before spliting, e-mail me,
d9105c2b MV	12	* dont bother Nicolas please ;-)
	13	*
	14	* This program is free software; you can redistribute it and/or modify
	15	* it under the terms of the GNU General Public License version 2 as
	16	* published by the Free Software Foundation.
	17	*
	18	* This code is heavily based on ucb1x00-*.c copyrighted by Russell King
	19	* covering the UCB1100, UCB1200 and UCB1300.. Support for the UCB1400 has
	20	* been made separate from ucb1x00-core/ucb1x00-ts on Russell's request.
	21	*/
	22
	23	#ifndef _LINUX__UCB1400_H
	24	#define _LINUX__UCB1400_H
	25
	26	#include <sound/ac97_codec.h>
	27	#include <linux/mutex.h>
	28	#include <linux/platform_device.h>
4cf8e53b	29	#include <linux/gpio.h>
d9105c2b MV	30
	31	/*
	32	* UCB1400 AC-link registers
	33	*/
	34
	35	#define UCB_IO_DATA 0x5a
	36	#define UCB_IO_DIR 0x5c
	37	#define UCB_IE_RIS 0x5e
	38	#define UCB_IE_FAL 0x60
	39	#define UCB_IE_STATUS 0x62
	40	#define UCB_IE_CLEAR 0x62
	41	#define UCB_IE_ADC (1 << 11)
	42	#define UCB_IE_TSPX (1 << 12)
	43
	44	#define UCB_TS_CR 0x64
	45	#define UCB_TS_CR_TSMX_POW (1 << 0)
	46	#define UCB_TS_CR_TSPX_POW (1 << 1)
	47	#define UCB_TS_CR_TSMY_POW (1 << 2)
	48	#define UCB_TS_CR_TSPY_POW (1 << 3)
	49	#define UCB_TS_CR_TSMX_GND (1 << 4)
	50	#define UCB_TS_CR_TSPX_GND (1 << 5)
	51	#define UCB_TS_CR_TSMY_GND (1 << 6)
	52	#define UCB_TS_CR_TSPY_GND (1 << 7)
	53	#define UCB_TS_CR_MODE_INT (0 << 8)
	54	#define UCB_TS_CR_MODE_PRES (1 << 8)
	55	#define UCB_TS_CR_MODE_POS (2 << 8)
	56	#define UCB_TS_CR_BIAS_ENA (1 << 11)
	57	#define UCB_TS_CR_TSPX_LOW (1 << 12)
	58	#define UCB_TS_CR_TSMX_LOW (1 << 13)
	59
	60	#define UCB_ADC_CR 0x66
	61	#define UCB_ADC_SYNC_ENA (1 << 0)
	62	#define UCB_ADC_VREFBYP_CON (1 << 1)
	63	#define UCB_ADC_INP_TSPX (0 << 2)
	64	#define UCB_ADC_INP_TSMX (1 << 2)
	65	#define UCB_ADC_INP_TSPY (2 << 2)
	66	#define UCB_ADC_INP_TSMY (3 << 2)
	67	#define UCB_ADC_INP_AD0 (4 << 2)
	68	#define UCB_ADC_INP_AD1 (5 << 2)
	69	#define UCB_ADC_INP_AD2 (6 << 2)
	70	#define UCB_ADC_INP_AD3 (7 << 2)
	71	#define UCB_ADC_EXT_REF (1 << 5)
	72	#define UCB_ADC_START (1 << 7)
	73	#define UCB_ADC_ENA (1 << 15)
	74
	75	#define UCB_ADC_DATA 0x68
	76	#define UCB_ADC_DAT_VALID (1 << 15)
1700f5fd MV	77
	78	#define UCB_FCSR 0x6c
	79	#define UCB_FCSR_AVE (1 << 12)
	80
d9105c2b MV	81	#define UCB_ADC_DAT_MASK 0x3ff
	82
	83	#define UCB_ID 0x7e
	84	#define UCB_ID_1400 0x4304
	85
4cf8e53b MV	86	struct ucb1400_gpio {
	87	struct gpio_chip gc;
	88	struct snd_ac97 *ac97;
360e64d8 MV	89	int gpio_offset;
	90	int (gpio_setup)(struct device dev, int ngpio);
	91	int (gpio_teardown)(struct device dev, int ngpio);
4cf8e53b MV	92	};
4cf8e53b MV	93
d9105c2b MV	94	struct ucb1400_ts {
d9105c2b MV	95	struct input_dev *ts_idev;
d9105c2b	96	int id;
d9105c2b	97	int irq;
d9105c2b	98	struct snd_ac97 *ac97;
c899afed DT	99	wait_queue_head_t ts_wait;
c899afed DT	100	bool stopped;
d9105c2b MV	101	};
	102
	103	struct ucb1400 {
	104	struct platform_device *ucb1400_ts;
4cf8e53b	105	struct platform_device *ucb1400_gpio;
d9105c2b MV	106	};
d9105c2b MV	107
fb141597 MV	108	struct ucb1400_pdata {
fb141597 MV	109	int irq;
360e64d8 MV	110	int gpio_offset;
	111	int (gpio_setup)(struct device dev, int ngpio);
	112	int (gpio_teardown)(struct device dev, int ngpio);
fb141597 MV	113	};
fb141597 MV	114
d9105c2b MV	115	static inline u16 ucb1400_reg_read(struct snd_ac97 *ac97, u16 reg)
	116	{
	117	return ac97->bus->ops->read(ac97, reg);
	118	}
	119
	120	static inline void ucb1400_reg_write(struct snd_ac97 *ac97, u16 reg, u16 val)
	121	{
	122	ac97->bus->ops->write(ac97, reg, val);
	123	}
	124
	125	static inline u16 ucb1400_gpio_get_value(struct snd_ac97 *ac97, u16 gpio)
	126	{
	127	return ucb1400_reg_read(ac97, UCB_IO_DATA) & (1 << gpio);
	128	}
	129
	130	static inline void ucb1400_gpio_set_value(struct snd_ac97 *ac97, u16 gpio,
	131	u16 val)
	132	{
	133	ucb1400_reg_write(ac97, UCB_IO_DATA, val ?
	134	ucb1400_reg_read(ac97, UCB_IO_DATA) \| (1 << gpio) :
	135	ucb1400_reg_read(ac97, UCB_IO_DATA) & ~(1 << gpio));
	136	}
	137
	138	static inline u16 ucb1400_gpio_get_direction(struct snd_ac97 *ac97, u16 gpio)
	139	{
	140	return ucb1400_reg_read(ac97, UCB_IO_DIR) & (1 << gpio);
	141	}
	142
	143	static inline void ucb1400_gpio_set_direction(struct snd_ac97 *ac97, u16 gpio,
	144	u16 dir)
	145	{
	146	ucb1400_reg_write(ac97, UCB_IO_DIR, dir ?
	147	ucb1400_reg_read(ac97, UCB_IO_DIR) \| (1 << gpio) :
	148	ucb1400_reg_read(ac97, UCB_IO_DIR) & ~(1 << gpio));
	149	}
	150
	151	static inline void ucb1400_adc_enable(struct snd_ac97 *ac97)
	152	{
	153	ucb1400_reg_write(ac97, UCB_ADC_CR, UCB_ADC_ENA);
	154	}
	155
d9105c2b MV	156	static inline void ucb1400_adc_disable(struct snd_ac97 *ac97)
	157	{
	158	ucb1400_reg_write(ac97, UCB_ADC_CR, 0);
	159	}
	160
cbf806dd SAS	161
	162	unsigned int ucb1400_adc_read(struct snd_ac97 *ac97, u16 adc_channel,
	163	int adcsync);
	164
d9105c2b	165	#endif