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/
usr/
src/
linux-headers-3.0.0-14-generic-pae/
include/
linux/
- drwxr-xr-x
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Viewing file:  ucb1400.h (4.44 KB) -rw-r--r--Select action/file-type:  ( +) |  ( +) |  ( +) | Code ( +) | Session ( +) |  ( +) | SDB ( +) |  ( +) |  ( +) |  ( +) |  ( +) |  ( +) |
/*
* 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_data {
int gpio_offset;
int (*gpio_setup)(struct device *dev, int ngpio);
int (*gpio_teardown)(struct device *dev, int ngpio);
};
struct ucb1400_gpio {
struct gpio_chip gc;
struct snd_ac97 *ac97;
};
struct ucb1400_ts {
struct input_dev *ts_idev;
struct task_struct *ts_task;
int id;
wait_queue_head_t ts_wait;
unsigned int ts_restart:1;
int irq;
unsigned int irq_pending; /* not bit field shared */
struct snd_ac97 *ac97;
};
struct ucb1400 {
struct platform_device *ucb1400_ts;
struct platform_device *ucb1400_gpio;
};
struct ucb1400_pdata {
int irq;
};
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);
#ifdef CONFIG_GPIO_UCB1400
void __init ucb1400_gpio_set_data(struct ucb1400_gpio_data *data);
#else
static inline void ucb1400_gpio_set_data(struct ucb1400_gpio_data *data) {}
#endif
#endif
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