/*
* tifm.h - TI FlashMedia driver
*
* Copyright (C) 2006 Alex Dubov <oakad@yahoo.com>
*
* 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.
*
*/
#ifndef _TIFM_H
#define _TIFM_H
#include <linux/spinlock.h>
#include <linux/interrupt.h>
#include <linux/delay.h>
#include <linux/pci.h>
#include <linux/workqueue.h>
/* Host registers (relative to pci base address): */
enum {
FM_SET_INTERRUPT_ENABLE = 0x008,
FM_CLEAR_INTERRUPT_ENABLE = 0x00c,
FM_INTERRUPT_STATUS = 0x014
};
/* Socket registers (relative to socket base address): */
enum {
SOCK_CONTROL = 0x004,
SOCK_PRESENT_STATE = 0x008,
SOCK_DMA_ADDRESS = 0x00c,
SOCK_DMA_CONTROL = 0x010,
SOCK_DMA_FIFO_INT_ENABLE_SET = 0x014,
SOCK_DMA_FIFO_INT_ENABLE_CLEAR = 0x018,
SOCK_DMA_FIFO_STATUS = 0x020,
SOCK_FIFO_CONTROL = 0x024,
SOCK_FIFO_PAGE_SIZE = 0x028,
SOCK_MMCSD_COMMAND = 0x104,
SOCK_MMCSD_ARG_LOW = 0x108,
SOCK_MMCSD_ARG_HIGH = 0x10c,
SOCK_MMCSD_CONFIG = 0x110,
SOCK_MMCSD_STATUS = 0x114,
SOCK_MMCSD_INT_ENABLE = 0x118,
SOCK_MMCSD_COMMAND_TO = 0x11c,
SOCK_MMCSD_DATA_TO = 0x120,
SOCK_MMCSD_DATA = 0x124,
SOCK_MMCSD_BLOCK_LEN = 0x128,
SOCK_MMCSD_NUM_BLOCKS = 0x12c,
SOCK_MMCSD_BUFFER_CONFIG = 0x130,
SOCK_MMCSD_SPI_CONFIG = 0x134,
SOCK_MMCSD_SDIO_MODE_CONFIG = 0x138,
SOCK_MMCSD_RESPONSE = 0x144,
SOCK_MMCSD_SDIO_SR = 0x164,
SOCK_MMCSD_SYSTEM_CONTROL = 0x168,
SOCK_MMCSD_SYSTEM_STATUS = 0x16c,
SOCK_MS_COMMAND = 0x184,
SOCK_MS_DATA = 0x188,
SOCK_MS_STATUS = 0x18c,
SOCK_MS_SYSTEM = 0x190,
SOCK_FIFO_ACCESS = 0x200
};
#define TIFM_CTRL_LED 0x00000040
#define TIFM_CTRL_FAST_CLK 0x00000100
#define TIFM_SOCK_STATE_OCCUPIED 0x00000008
#define TIFM_SOCK_STATE_POWERED 0x00000080
#define TIFM_FIFO_ENABLE 0x00000001
#define TIFM_FIFO_READY 0x00000001
#define TIFM_FIFO_INT_SETALL 0x0000ffff
#define TIFM_FIFO_INTMASK 0x00000005
#define TIFM_DMA_RESET 0x00000002
#define TIFM_DMA_TX 0x00008000
#define TIFM_DMA_EN 0x00000001
#define TIFM_DMA_TSIZE 0x0000007f
#define TIFM_TYPE_XD 1
#define TIFM_TYPE_MS 2
#define TIFM_TYPE_SD 3
struct tifm_device_id {
unsigned char type;
};
struct tifm_driver;
struct tifm_dev {
char __iomem *addr;
spinlock_t lock;
unsigned char type;
unsigned int socket_id;
void (*card_event)(struct tifm_dev *sock);
void (*data_event)(struct tifm_dev *sock);
struct device dev;
};
struct tifm_driver {
struct tifm_device_id *id_table;
int (*probe)(struct tifm_dev *dev);
void (*remove)(struct tifm_dev *dev);
int (*suspend)(struct tifm_dev *dev,
pm_message_t state);
int (*resume)(struct tifm_dev *dev);
struct device_driver driver;
};
struct tifm_adapter {
char __iomem *addr;
spinlock_t lock;
unsigned int irq_status;
unsigned int socket_change_set;
unsigned int id;
unsigned int num_sockets;
struct completion *finish_me;
struct work_struct media_switcher;
struct class_device cdev;
void (*eject)(struct tifm_adapter *fm,
struct tifm_dev *sock);
struct tifm_dev *sockets[0];
};
struct tifm_adapter *tifm_alloc_adapter(unsigned int num_sockets,
struct device *dev);
int tifm_add_adapter(struct tifm_adapter *fm);
void tifm_remove_adapter(struct tifm_adapter *fm);
void tifm_free_adapter(struct tifm_adapter *fm);
void tifm_free_device(struct device *dev);
struct tifm_dev *tifm_alloc_device(struct tifm_adapter *fm, unsigned int id,
unsigned char type);
int tifm_register_driver(struct tifm_driver *drv);
void tifm_unregister_driver(struct tifm_driver *drv);
void tifm_eject(struct tifm_dev *sock);
int tifm_map_sg(struct tifm_dev *sock, struct scatterlist *sg, int nents,
int direction);
void tifm_unmap_sg(struct tifm_dev *sock, struct scatterlist *sg, int nents,
int direction);
void tifm_queue_work(struct work_struct *work);
static inline void *tifm_get_drvdata(struct tifm_dev *dev)
{
return dev_get_drvdata(&dev->dev);
}
static inline void tifm_set_drvdata(struct tifm_dev *dev, void *data)
{
dev_set_drvdata(&dev->dev, data);
}
#endif
