power: tps80031: battery-charger: register as mfd sub device
[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_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
86 struct tifm_device_id {
87         unsigned char type;
88 };
89
90 struct tifm_driver;
91 struct 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
103 struct 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
114 struct 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
134 struct tifm_adapter *tifm_alloc_adapter(unsigned int num_sockets,
135                                         struct device *dev);
136 int tifm_add_adapter(struct tifm_adapter *fm);
137 void tifm_remove_adapter(struct tifm_adapter *fm);
138 void tifm_free_adapter(struct tifm_adapter *fm);
139
140 void tifm_free_device(struct device *dev);
141 struct tifm_dev *tifm_alloc_device(struct tifm_adapter *fm, unsigned int id,
142                                    unsigned char type);
143
144 int tifm_register_driver(struct tifm_driver *drv);
145 void tifm_unregister_driver(struct tifm_driver *drv);
146 void tifm_eject(struct tifm_dev *sock);
147 int tifm_has_ms_pif(struct tifm_dev *sock);
148 int tifm_map_sg(struct tifm_dev *sock, struct scatterlist *sg, int nents,
149                 int direction);
150 void tifm_unmap_sg(struct tifm_dev *sock, struct scatterlist *sg, int nents,
151                    int direction);
152 void tifm_queue_work(struct work_struct *work);
153
154 static inline void *tifm_get_drvdata(struct tifm_dev *dev)
155 {
156         return dev_get_drvdata(&dev->dev);
157 }
158
159 static inline void tifm_set_drvdata(struct tifm_dev *dev, void *data)
160 {
161         dev_set_drvdata(&dev->dev, data);
162 }
163
164 #endif