user namespace: add the framework
[linux-2.6.git] / include / linux / tifm.h
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): */
22 enum {
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): */
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 };
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_INT_SETALL      0x0000ffff
74 #define TIFM_FIFO_INTMASK         0x00000005
75
76 #define TIFM_DMA_RESET            0x00000002
77 #define TIFM_DMA_TX               0x00008000
78 #define TIFM_DMA_EN               0x00000001
79 #define TIFM_DMA_TSIZE            0x0000007f
80
81 #define TIFM_TYPE_XD 1
82 #define TIFM_TYPE_MS 2
83 #define TIFM_TYPE_SD 3
84
85 struct tifm_device_id {
86         unsigned char type;
87 };
88
89 struct tifm_driver;
90 struct tifm_dev {
91         char __iomem  *addr;
92         spinlock_t    lock;
93         unsigned char type;
94         unsigned int  socket_id;
95
96         void          (*card_event)(struct tifm_dev *sock);
97         void          (*data_event)(struct tifm_dev *sock);
98
99         struct device dev;
100 };
101
102 struct tifm_driver {
103         struct tifm_device_id *id_table;
104         int                   (*probe)(struct tifm_dev *dev);
105         void                  (*remove)(struct tifm_dev *dev);
106         int                   (*suspend)(struct tifm_dev *dev,
107                                          pm_message_t state);
108         int                   (*resume)(struct tifm_dev *dev);
109
110         struct device_driver  driver;
111 };
112
113 struct tifm_adapter {
114         char __iomem        *addr;
115         spinlock_t          lock;
116         unsigned int        irq_status;
117         unsigned int        socket_change_set;
118         unsigned int        id;
119         unsigned int        num_sockets;
120         struct completion   *finish_me;
121
122         struct work_struct  media_switcher;
123         struct class_device cdev;
124
125         void                (*eject)(struct tifm_adapter *fm,
126                                      struct tifm_dev *sock);
127
128         struct tifm_dev     *sockets[0];
129 };
130
131 struct tifm_adapter *tifm_alloc_adapter(unsigned int num_sockets,
132                                         struct device *dev);
133 int tifm_add_adapter(struct tifm_adapter *fm);
134 void tifm_remove_adapter(struct tifm_adapter *fm);
135 void tifm_free_adapter(struct tifm_adapter *fm);
136
137 void tifm_free_device(struct device *dev);
138 struct tifm_dev *tifm_alloc_device(struct tifm_adapter *fm, unsigned int id,
139                                    unsigned char type);
140
141 int tifm_register_driver(struct tifm_driver *drv);
142 void tifm_unregister_driver(struct tifm_driver *drv);
143 void tifm_eject(struct tifm_dev *sock);
144 int tifm_map_sg(struct tifm_dev *sock, struct scatterlist *sg, int nents,
145                 int direction);
146 void tifm_unmap_sg(struct tifm_dev *sock, struct scatterlist *sg, int nents,
147                    int direction);
148 void tifm_queue_work(struct work_struct *work);
149
150 static inline void *tifm_get_drvdata(struct tifm_dev *dev)
151 {
152         return dev_get_drvdata(&dev->dev);
153 }
154
155 static inline void tifm_set_drvdata(struct tifm_dev *dev, void *data)
156 {
157         dev_set_drvdata(&dev->dev, data);
158 }
159
160 #endif