[deliverable/linux.git] / include / linux / tifm.h

/*
 *  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/wait.h>
#include <linux/delay.h>
#include <linux/pci.h>
#include <linux/kthread.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 /* Meaning of this constant is unverified */
#define TIFM_FIFO_INT_SETALL      0x0000ffff
#define TIFM_FIFO_INTMASK         0x00000005 /* Meaning of this constant is unverified */

#define TIFM_DMA_RESET            0x00000002 /* Meaning of this constant is unverified */
#define TIFM_DMA_TX               0x00008000 /* Meaning of this constant is unverified */
#define TIFM_DMA_EN               0x00000001 /* Meaning of this constant is unverified */

#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;
	wait_queue_head_t       change_set_notify;
	unsigned int            id;
	unsigned int            num_sockets;
	struct tifm_dev         **sockets;
	struct task_struct      *media_switcher;
	struct class_device     cdev;
	struct device           *dev;

	void                    (*eject)(struct tifm_adapter *fm, struct tifm_dev *sock);
};

struct tifm_adapter *tifm_alloc_adapter(void);
void tifm_free_device(struct device *dev);
void tifm_free_adapter(struct tifm_adapter *fm);
int tifm_add_adapter(struct tifm_adapter *fm, int (*mediathreadfn)(void *data));
void tifm_remove_adapter(struct tifm_adapter *fm);
struct tifm_dev *tifm_alloc_device(struct tifm_adapter *fm);
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);


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
Commit	Line	Data
4020f2d7 AD	1	/*
	2	* tifm.h - TI FlashMedia driver
	3	*
	4	* Copyright (C) 2006 Alex Dubov <oakad@yahoo.com>
	5	*
	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License version 2 as
	8	* published by the Free Software Foundation.
	9	*
	10	*/
	11
	12	#ifndef _TIFM_H
	13	#define _TIFM_H
	14
	15	#include <linux/spinlock.h>
	16	#include <linux/interrupt.h>
	17	#include <linux/wait.h>
	18	#include <linux/delay.h>
	19	#include <linux/pci.h>
7146f0d3	20	#include <linux/kthread.h>
4020f2d7 AD	21
	22	/* Host registers (relative to pci base address): */
	23	enum {
	24	FM_SET_INTERRUPT_ENABLE = 0x008,
	25	FM_CLEAR_INTERRUPT_ENABLE = 0x00c,
	26	FM_INTERRUPT_STATUS = 0x014 };
	27
	28	/* Socket registers (relative to socket base address): */
	29	enum {
	30	SOCK_CONTROL = 0x004,
	31	SOCK_PRESENT_STATE = 0x008,
	32	SOCK_DMA_ADDRESS = 0x00c,
	33	SOCK_DMA_CONTROL = 0x010,
	34	SOCK_DMA_FIFO_INT_ENABLE_SET = 0x014,
	35	SOCK_DMA_FIFO_INT_ENABLE_CLEAR = 0x018,
	36	SOCK_DMA_FIFO_STATUS = 0x020,
	37	SOCK_FIFO_CONTROL = 0x024,
	38	SOCK_FIFO_PAGE_SIZE = 0x028,
	39	SOCK_MMCSD_COMMAND = 0x104,
	40	SOCK_MMCSD_ARG_LOW = 0x108,
	41	SOCK_MMCSD_ARG_HIGH = 0x10c,
	42	SOCK_MMCSD_CONFIG = 0x110,
	43	SOCK_MMCSD_STATUS = 0x114,
	44	SOCK_MMCSD_INT_ENABLE = 0x118,
	45	SOCK_MMCSD_COMMAND_TO = 0x11c,
	46	SOCK_MMCSD_DATA_TO = 0x120,
	47	SOCK_MMCSD_DATA = 0x124,
	48	SOCK_MMCSD_BLOCK_LEN = 0x128,
	49	SOCK_MMCSD_NUM_BLOCKS = 0x12c,
	50	SOCK_MMCSD_BUFFER_CONFIG = 0x130,
	51	SOCK_MMCSD_SPI_CONFIG = 0x134,
	52	SOCK_MMCSD_SDIO_MODE_CONFIG = 0x138,
	53	SOCK_MMCSD_RESPONSE = 0x144,
	54	SOCK_MMCSD_SDIO_SR = 0x164,
	55	SOCK_MMCSD_SYSTEM_CONTROL = 0x168,
	56	SOCK_MMCSD_SYSTEM_STATUS = 0x16c,
	57	SOCK_MS_COMMAND = 0x184,
	58	SOCK_MS_DATA = 0x188,
	59	SOCK_MS_STATUS = 0x18c,
	60	SOCK_MS_SYSTEM = 0x190,
	61	SOCK_FIFO_ACCESS = 0x200 };
	62
4020f2d7 AD	63	#define TIFM_CTRL_LED 0x00000040
	64	#define TIFM_CTRL_FAST_CLK 0x00000100
	65
	66	#define TIFM_SOCK_STATE_OCCUPIED 0x00000008
	67	#define TIFM_SOCK_STATE_POWERED 0x00000080
	68
	69	#define TIFM_FIFO_ENABLE 0x00000001 /* Meaning of this constant is unverified */
	70	#define TIFM_FIFO_INT_SETALL 0x0000ffff
	71	#define TIFM_FIFO_INTMASK 0x00000005 /* Meaning of this constant is unverified */
	72
	73	#define TIFM_DMA_RESET 0x00000002 /* Meaning of this constant is unverified */
	74	#define TIFM_DMA_TX 0x00008000 /* Meaning of this constant is unverified */
	75	#define TIFM_DMA_EN 0x00000001 /* Meaning of this constant is unverified */
	76
e23f2b8a AD	77	#define TIFM_TYPE_XD 1
	78	#define TIFM_TYPE_MS 2
	79	#define TIFM_TYPE_SD 3
	80
	81	struct tifm_device_id {
	82	unsigned char type;
	83	};
4020f2d7 AD	84
	85	struct tifm_driver;
	86	struct tifm_dev {
	87	char __iomem *addr;
	88	spinlock_t lock;
e23f2b8a	89	unsigned char type;
8e02f858	90	unsigned int socket_id;
4020f2d7	91
4552f0cb AD	92	void (card_event)(struct tifm_dev sock);
4552f0cb AD	93	void (data_event)(struct tifm_dev sock);
4020f2d7	94
4020f2d7 AD	95	struct device dev;
	96	};
	97
	98	struct tifm_driver {
e23f2b8a	99	struct tifm_device_id *id_table;
4020f2d7 AD	100	int (probe)(struct tifm_dev dev);
4020f2d7 AD	101	void (remove)(struct tifm_dev dev);
41d78f74 AD	102	int (suspend)(struct tifm_dev dev,
	103	pm_message_t state);
	104	int (resume)(struct tifm_dev dev);
4020f2d7 AD	105
	106	struct device_driver driver;
	107	};
	108
	109	struct tifm_adapter {
	110	char __iomem *addr;
4020f2d7	111	spinlock_t lock;
6412d927 AD	112	unsigned int irq_status;
6412d927 AD	113	unsigned int socket_change_set;
7146f0d3	114	wait_queue_head_t change_set_notify;
4020f2d7	115	unsigned int id;
6412d927 AD	116	unsigned int num_sockets;
6412d927 AD	117	struct tifm_dev **sockets;
7146f0d3	118	struct task_struct *media_switcher;
4020f2d7 AD	119	struct class_device cdev;
	120	struct device *dev;
	121
	122	void (eject)(struct tifm_adapter fm, struct tifm_dev *sock);
	123	};
	124
	125	struct tifm_adapter *tifm_alloc_adapter(void);
	126	void tifm_free_device(struct device *dev);
	127	void tifm_free_adapter(struct tifm_adapter *fm);
7146f0d3	128	int tifm_add_adapter(struct tifm_adapter fm, int (mediathreadfn)(void *data));
4020f2d7	129	void tifm_remove_adapter(struct tifm_adapter *fm);
8e02f858	130	struct tifm_dev tifm_alloc_device(struct tifm_adapter fm);
4020f2d7 AD	131	int tifm_register_driver(struct tifm_driver *drv);
	132	void tifm_unregister_driver(struct tifm_driver *drv);
	133	void tifm_eject(struct tifm_dev *sock);
	134	int tifm_map_sg(struct tifm_dev sock, struct scatterlist sg, int nents,
	135	int direction);
	136	void tifm_unmap_sg(struct tifm_dev sock, struct scatterlist sg, int nents,
	137	int direction);
	138
	139
	140	static inline void tifm_get_drvdata(struct tifm_dev dev)
	141	{
	142	return dev_get_drvdata(&dev->dev);
	143	}
	144
	145	static inline void tifm_set_drvdata(struct tifm_dev dev, void data)
	146	{
	147	dev_set_drvdata(&dev->dev, data);
	148	}
	149
4020f2d7	150	#endif