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/*
* kernel/driver/char/modem_interface/modem_sdio_drv.c
*
* Generic modem interface sdio API
*
* Author: Jiayong Yang(Jiayong.Yang@spreadtrum.com)
* Created: Jul 27, 2012
* Copyright: Spreadtrum Inc.
*
* 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.
*/
#include <linux/mutex.h>
#include <linux/dma-mapping.h>
#include <linux/proc_fs.h>
#include "modem_buffer.h"
#include "modem_interface_driver.h"
extern struct spi_device *sprd_spi_modem_device_register(int master_bus_num,struct spi_board_info *chip);
extern int sprd_sdio_channel_open(void);
extern void sprd_sdio_channel_close(void);
extern int sprd_sdio_channel_rx(char *buf, int len, unsigned int addr);
extern int sprd_sdio_channel_tx(const char *buf, unsigned int len, unsigned int addr);
static int modem_sdio_open(void *para)
{
return sprd_sdio_channel_open();
}
int modem_sdio_read(char *buffer,int size)
{
return sprd_sdio_channel_rx(buffer,size, 0);
}
int modem_sdio_write(char *buffer,int size)
{
return sprd_sdio_channel_tx((const char *)buffer,size, 0);
}
static struct modem_device_operation sdio_device_op = {
.dev = MODEM_DEV_SDIO,
.open = modem_sdio_open,
.read = modem_sdio_read,
.write =modem_sdio_write
};
struct modem_device_operation * modem_sdio_drv_init(void)
{
return &sdio_device_op;
}
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