include/linux/mfd/ucb1x00.h

/* [<][>][^][v][top][bottom][index][help] */
This source file includes following definitions.
ucb1x00_clkrate
ucb1x00_enable
ucb1x00_disable
ucb1x00_reg_write
ucb1x00_reg_read
ucb1x00_set_audio_divisor
ucb1x00_set_telecom_divisor
/*
 *  linux/include/mfd/ucb1x00.h
 *
 *  Copyright (C) 2001 Russell King, All Rights Reserved.
 *
 * 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.
 */
#ifndef UCB1200_H
#define UCB1200_H

#include <linux/device.h>
#include <linux/mfd/mcp.h>
#include <linux/gpio.h>
#include <linux/mutex.h>

#define UCB_IO_DATA     0x00
#define UCB_IO_DIR      0x01

#define UCB_IO_0                (1 << 0)
#define UCB_IO_1                (1 << 1)
#define UCB_IO_2                (1 << 2)
#define UCB_IO_3                (1 << 3)
#define UCB_IO_4                (1 << 4)
#define UCB_IO_5                (1 << 5)
#define UCB_IO_6                (1 << 6)
#define UCB_IO_7                (1 << 7)
#define UCB_IO_8                (1 << 8)
#define UCB_IO_9                (1 << 9)

#define UCB_IE_RIS      0x02
#define UCB_IE_FAL      0x03
#define UCB_IE_STATUS   0x04
#define UCB_IE_CLEAR    0x04
#define UCB_IE_ADC              (1 << 11)
#define UCB_IE_TSPX             (1 << 12)
#define UCB_IE_TSMX             (1 << 13)
#define UCB_IE_TCLIP            (1 << 14)
#define UCB_IE_ACLIP            (1 << 15)

#define UCB_IRQ_TSPX            12

#define UCB_TC_A        0x05
#define UCB_TC_A_LOOP           (1 << 7)        /* UCB1200 */
#define UCB_TC_A_AMPL           (1 << 7)        /* UCB1300 */

#define UCB_TC_B        0x06
#define UCB_TC_B_VOICE_ENA      (1 << 3)
#define UCB_TC_B_CLIP           (1 << 4)
#define UCB_TC_B_ATT            (1 << 6)
#define UCB_TC_B_SIDE_ENA       (1 << 11)
#define UCB_TC_B_MUTE           (1 << 13)
#define UCB_TC_B_IN_ENA         (1 << 14)
#define UCB_TC_B_OUT_ENA        (1 << 15)

#define UCB_AC_A        0x07
#define UCB_AC_B        0x08
#define UCB_AC_B_LOOP           (1 << 8)
#define UCB_AC_B_MUTE           (1 << 13)
#define UCB_AC_B_IN_ENA         (1 << 14)
#define UCB_AC_B_OUT_ENA        (1 << 15)

#define UCB_TS_CR       0x09
#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      0x0a
#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    0x0b
#define UCB_ADC_DAT_VAL         (1 << 15)
#define UCB_ADC_DAT(x)          (((x) & 0x7fe0) >> 5)

#define UCB_ID          0x0c
#define UCB_ID_1200             0x1004
#define UCB_ID_1300             0x1005
#define UCB_ID_TC35143          0x9712

#define UCB_MODE        0x0d
#define UCB_MODE_DYN_VFLAG_ENA  (1 << 12)
#define UCB_MODE_AUD_OFF_CAN    (1 << 13)

enum ucb1x00_reset {
        UCB_RST_PROBE,
        UCB_RST_RESUME,
        UCB_RST_SUSPEND,
        UCB_RST_REMOVE,
        UCB_RST_PROBE_FAIL,
};

struct ucb1x00_plat_data {
        void                    (*reset)(enum ucb1x00_reset);
        unsigned                irq_base;
        int                     gpio_base;
        unsigned                can_wakeup;
};

struct ucb1x00 {
        raw_spinlock_t          irq_lock;
        struct mcp              *mcp;
        unsigned int            irq;
        int                     irq_base;
        struct mutex            adc_mutex;
        spinlock_t              io_lock;
        u16                     id;
        u16                     io_dir;
        u16                     io_out;
        u16                     adc_cr;
        u16                     irq_fal_enbl;
        u16                     irq_ris_enbl;
        u16                     irq_mask;
        u16                     irq_wake;
        struct device           dev;
        struct list_head        node;
        struct list_head        devs;
        struct gpio_chip        gpio;
};

struct ucb1x00_driver;

struct ucb1x00_dev {
        struct list_head        dev_node;
        struct list_head        drv_node;
        struct ucb1x00          *ucb;
        struct ucb1x00_driver   *drv;
        void                    *priv;
};

struct ucb1x00_driver {
        struct list_head        node;
        struct list_head        devs;
        int     (*add)(struct ucb1x00_dev *dev);
        void    (*remove)(struct ucb1x00_dev *dev);
        int     (*suspend)(struct ucb1x00_dev *dev);
        int     (*resume)(struct ucb1x00_dev *dev);
};

#define classdev_to_ucb1x00(cd) container_of(cd, struct ucb1x00, dev)

int ucb1x00_register_driver(struct ucb1x00_driver *);
void ucb1x00_unregister_driver(struct ucb1x00_driver *);

/**
 *      ucb1x00_clkrate - return the UCB1x00 SIB clock rate
 *      @ucb: UCB1x00 structure describing chip
 *
 *      Return the SIB clock rate in Hz.
 */
static inline unsigned int ucb1x00_clkrate(struct ucb1x00 *ucb)
{
        return mcp_get_sclk_rate(ucb->mcp);
}

/**
 *      ucb1x00_enable - enable the UCB1x00 SIB clock
 *      @ucb: UCB1x00 structure describing chip
 *
 *      Enable the SIB clock.  This can be called multiple times.
 */
static inline void ucb1x00_enable(struct ucb1x00 *ucb)
{
        mcp_enable(ucb->mcp);
}

/**
 *      ucb1x00_disable - disable the UCB1x00 SIB clock
 *      @ucb: UCB1x00 structure describing chip
 *
 *      Disable the SIB clock.  The SIB clock will only be disabled
 *      when the number of ucb1x00_enable calls match the number of
 *      ucb1x00_disable calls.
 */
static inline void ucb1x00_disable(struct ucb1x00 *ucb)
{
        mcp_disable(ucb->mcp);
}

/**
 *      ucb1x00_reg_write - write a UCB1x00 register
 *      @ucb: UCB1x00 structure describing chip
 *      @reg: UCB1x00 4-bit register index to write
 *      @val: UCB1x00 16-bit value to write
 *
 *      Write the UCB1x00 register @reg with value @val.  The SIB
 *      clock must be running for this function to return.
 */
static inline void ucb1x00_reg_write(struct ucb1x00 *ucb, unsigned int reg, unsigned int val)
{
        mcp_reg_write(ucb->mcp, reg, val);
}

/**
 *      ucb1x00_reg_read - read a UCB1x00 register
 *      @ucb: UCB1x00 structure describing chip
 *      @reg: UCB1x00 4-bit register index to write
 *
 *      Read the UCB1x00 register @reg and return its value.  The SIB
 *      clock must be running for this function to return.
 */
static inline unsigned int ucb1x00_reg_read(struct ucb1x00 *ucb, unsigned int reg)
{
        return mcp_reg_read(ucb->mcp, reg);
}
/**
 *      ucb1x00_set_audio_divisor - 
 *      @ucb: UCB1x00 structure describing chip
 *      @div: SIB clock divisor
 */
static inline void ucb1x00_set_audio_divisor(struct ucb1x00 *ucb, unsigned int div)
{
        mcp_set_audio_divisor(ucb->mcp, div);
}

/**
 *      ucb1x00_set_telecom_divisor -
 *      @ucb: UCB1x00 structure describing chip
 *      @div: SIB clock divisor
 */
static inline void ucb1x00_set_telecom_divisor(struct ucb1x00 *ucb, unsigned int div)
{
        mcp_set_telecom_divisor(ucb->mcp, div);
}

void ucb1x00_io_set_dir(struct ucb1x00 *ucb, unsigned int, unsigned int);
void ucb1x00_io_write(struct ucb1x00 *ucb, unsigned int, unsigned int);
unsigned int ucb1x00_io_read(struct ucb1x00 *ucb);

#define UCB_NOSYNC      (0)
#define UCB_SYNC        (1)

unsigned int ucb1x00_adc_read(struct ucb1x00 *ucb, int adc_channel, int sync);
void ucb1x00_adc_enable(struct ucb1x00 *ucb);
void ucb1x00_adc_disable(struct ucb1x00 *ucb);

#endif
/* [<][>][^][v][top][bottom][index][help] */
root/include/linux/mfd/ucb1x00.h

DEFINITIONS
