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/include/linux/tifm.h

https://github.com/airy09/android_kernel_sony_apq8064
C Header | 164 lines | 127 code | 25 blank | 12 comment | 0 complexity | 8f56d3f4455beb74676aa0d870368d52 MD5 | raw file
  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/delay.h>
 18#include <linux/pci.h>
 19#include <linux/workqueue.h>
 20
 21/* Host registers (relative to pci base address): */
 22enum {
 23	FM_SET_INTERRUPT_ENABLE   = 0x008,
 24	FM_CLEAR_INTERRUPT_ENABLE = 0x00c,
 25	FM_INTERRUPT_STATUS       = 0x014
 26};
 27
 28/* Socket registers (relative to socket base address): */
 29enum {
 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};
 63
 64#define TIFM_CTRL_LED             0x00000040
 65#define TIFM_CTRL_FAST_CLK        0x00000100
 66#define TIFM_CTRL_POWER_MASK      0x00000007
 67
 68#define TIFM_SOCK_STATE_OCCUPIED  0x00000008
 69#define TIFM_SOCK_STATE_POWERED   0x00000080
 70
 71#define TIFM_FIFO_ENABLE          0x00000001
 72#define TIFM_FIFO_READY           0x00000001
 73#define TIFM_FIFO_MORE            0x00000008
 74#define TIFM_FIFO_INT_SETALL      0x0000ffff
 75#define TIFM_FIFO_INTMASK         0x00000005
 76
 77#define TIFM_DMA_RESET            0x00000002
 78#define TIFM_DMA_TX               0x00008000
 79#define TIFM_DMA_EN               0x00000001
 80#define TIFM_DMA_TSIZE            0x0000007f
 81
 82#define TIFM_TYPE_XD 1
 83#define TIFM_TYPE_MS 2
 84#define TIFM_TYPE_SD 3
 85
 86struct tifm_device_id {
 87	unsigned char type;
 88};
 89
 90struct tifm_driver;
 91struct tifm_dev {
 92	char __iomem  *addr;
 93	spinlock_t    lock;
 94	unsigned char type;
 95	unsigned int  socket_id;
 96
 97	void          (*card_event)(struct tifm_dev *sock);
 98	void          (*data_event)(struct tifm_dev *sock);
 99
100	struct device dev;
101};
102
103struct tifm_driver {
104	struct tifm_device_id *id_table;
105	int                   (*probe)(struct tifm_dev *dev);
106	void                  (*remove)(struct tifm_dev *dev);
107	int                   (*suspend)(struct tifm_dev *dev,
108					 pm_message_t state);
109	int                   (*resume)(struct tifm_dev *dev);
110
111	struct device_driver  driver;
112};
113
114struct tifm_adapter {
115	char __iomem        *addr;
116	spinlock_t          lock;
117	unsigned int        irq_status;
118	unsigned int        socket_change_set;
119	unsigned int        id;
120	unsigned int        num_sockets;
121	struct completion   *finish_me;
122
123	struct work_struct  media_switcher;
124	struct device	    dev;
125
126	void                (*eject)(struct tifm_adapter *fm,
127				     struct tifm_dev *sock);
128	int                 (*has_ms_pif)(struct tifm_adapter *fm,
129					  struct tifm_dev *sock);
130
131	struct tifm_dev     *sockets[0];
132};
133
134struct tifm_adapter *tifm_alloc_adapter(unsigned int num_sockets,
135					struct device *dev);
136int tifm_add_adapter(struct tifm_adapter *fm);
137void tifm_remove_adapter(struct tifm_adapter *fm);
138void tifm_free_adapter(struct tifm_adapter *fm);
139
140void tifm_free_device(struct device *dev);
141struct tifm_dev *tifm_alloc_device(struct tifm_adapter *fm, unsigned int id,
142				   unsigned char type);
143
144int tifm_register_driver(struct tifm_driver *drv);
145void tifm_unregister_driver(struct tifm_driver *drv);
146void tifm_eject(struct tifm_dev *sock);
147int tifm_has_ms_pif(struct tifm_dev *sock);
148int tifm_map_sg(struct tifm_dev *sock, struct scatterlist *sg, int nents,
149		int direction);
150void tifm_unmap_sg(struct tifm_dev *sock, struct scatterlist *sg, int nents,
151		   int direction);
152void tifm_queue_work(struct work_struct *work);
153
154static inline void *tifm_get_drvdata(struct tifm_dev *dev)
155{
156	return dev_get_drvdata(&dev->dev);
157}
158
159static inline void tifm_set_drvdata(struct tifm_dev *dev, void *data)
160{
161	dev_set_drvdata(&dev->dev, data);
162}
163
164#endif