1 /*
2 * ds.h -- 16-bit PCMCIA core support
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License version 2 as
6 * published by the Free Software Foundation.
7 *
8 * The initial developer of the original code is David A. Hinds
9 * <dahinds@users.sourceforge.net>. Portions created by David A. Hinds
10 * are Copyright (C) 1999 David A. Hinds. All Rights Reserved.
11 *
12 * (C) 1999 David A. Hinds
13 * (C) 2003 - 2004 Dominik Brodowski
14 */
15
16 #ifndef _LINUX_DS_H
17 #define _LINUX_DS_H
18
19 #include <pcmcia/bulkmem.h>
20 #include <pcmcia/cs_types.h>
21
22 typedef struct tuple_parse_t {
23 tuple_t tuple;
24 cisdata_t data[255];
25 cisparse_t parse;
26 } tuple_parse_t;
27
28 typedef struct win_info_t {
29 window_handle_t handle;
30 win_req_t window;
31 memreq_t map;
32 } win_info_t;
33
34 typedef struct bind_info_t {
35 dev_info_t dev_info;
36 u_char function;
37 struct dev_link_t *instance;
38 char name[DEV_NAME_LEN];
39 u_short major, minor;
40 void *next;
41 } bind_info_t;
42
43 typedef struct mtd_info_t {
44 dev_info_t dev_info;
45 u_int Attributes;
46 u_int CardOffset;
47 } mtd_info_t;
48
49 typedef union ds_ioctl_arg_t {
50 servinfo_t servinfo;
51 adjust_t adjust;
52 config_info_t config;
53 tuple_t tuple;
54 tuple_parse_t tuple_parse;
55 client_req_t client_req;
56 cs_status_t status;
57 conf_reg_t conf_reg;
58 cisinfo_t cisinfo;
59 region_info_t region;
60 bind_info_t bind_info;
61 mtd_info_t mtd_info;
62 win_info_t win_info;
63 cisdump_t cisdump;
64 } ds_ioctl_arg_t;
65
66 #define DS_GET_CARD_SERVICES_INFO _IOR ('d', 1, servinfo_t)
67 #define DS_ADJUST_RESOURCE_INFO _IOWR('d', 2, adjust_t)
68 #define DS_GET_CONFIGURATION_INFO _IOWR('d', 3, config_info_t)
69 #define DS_GET_FIRST_TUPLE _IOWR('d', 4, tuple_t)
70 #define DS_GET_NEXT_TUPLE _IOWR('d', 5, tuple_t)
71 #define DS_GET_TUPLE_DATA _IOWR('d', 6, tuple_parse_t)
72 #define DS_PARSE_TUPLE _IOWR('d', 7, tuple_parse_t)
73 #define DS_RESET_CARD _IO ('d', 8)
74 #define DS_GET_STATUS _IOWR('d', 9, cs_status_t)
75 #define DS_ACCESS_CONFIGURATION_REGISTER _IOWR('d', 10, conf_reg_t)
76 #define DS_VALIDATE_CIS _IOR ('d', 11, cisinfo_t)
77 #define DS_SUSPEND_CARD _IO ('d', 12)
78 #define DS_RESUME_CARD _IO ('d', 13)
79 #define DS_EJECT_CARD _IO ('d', 14)
80 #define DS_INSERT_CARD _IO ('d', 15)
81 #define DS_GET_FIRST_REGION _IOWR('d', 16, region_info_t)
82 #define DS_GET_NEXT_REGION _IOWR('d', 17, region_info_t)
83 #define DS_REPLACE_CIS _IOWR('d', 18, cisdump_t)
84 #define DS_GET_FIRST_WINDOW _IOR ('d', 19, win_info_t)
85 #define DS_GET_NEXT_WINDOW _IOWR('d', 20, win_info_t)
86 #define DS_GET_MEM_PAGE _IOWR('d', 21, win_info_t)
87
88 #define DS_BIND_REQUEST _IOWR('d', 60, bind_info_t)
89 #define DS_GET_DEVICE_INFO _IOWR('d', 61, bind_info_t)
90 #define DS_GET_NEXT_DEVICE _IOWR('d', 62, bind_info_t)
91 #define DS_UNBIND_REQUEST _IOW ('d', 63, bind_info_t)
92 #define DS_BIND_MTD _IOWR('d', 64, mtd_info_t)
93
94 #ifdef __KERNEL__
95 #include <linux/device.h>
96
97 typedef struct dev_node_t {
98 char dev_name[DEV_NAME_LEN];
99 u_short major, minor;
100 struct dev_node_t *next;
101 } dev_node_t;
102
103 typedef struct dev_link_t {
104 dev_node_t *dev;
105 u_int state, open;
106 wait_queue_head_t pending;
107 client_handle_t handle;
108 io_req_t io;
109 irq_req_t irq;
110 config_req_t conf;
111 window_handle_t win;
112 void *priv;
113 struct dev_link_t *next;
114 } dev_link_t;
115
116 /* Flags for device state */
117 #define DEV_PRESENT 0x01
118 #define DEV_CONFIG 0x02
119 #define DEV_STALE_CONFIG 0x04 /* release on close */
120 #define DEV_STALE_LINK 0x08 /* detach on release */
121 #define DEV_CONFIG_PENDING 0x10
122 #define DEV_RELEASE_PENDING 0x20
123 #define DEV_SUSPEND 0x40
124 #define DEV_BUSY 0x80
125
126 #define DEV_OK(l) \
127 ((l) && ((l->state & ~DEV_BUSY) == (DEV_CONFIG|DEV_PRESENT)))
128
129
130 struct pcmcia_socket;
131
132 extern struct bus_type pcmcia_bus_type;
133
134 struct pcmcia_driver {
135 dev_link_t *(*attach)(void);
136 void (*detach)(dev_link_t *);
137 struct module *owner;
138 struct device_driver drv;
139 };
140
141 /* driver registration */
142 int pcmcia_register_driver(struct pcmcia_driver *driver);
143 void pcmcia_unregister_driver(struct pcmcia_driver *driver);
144
145 struct pcmcia_device {
146 /* the socket and the device_no [for multifunction devices]
147 uniquely define a pcmcia_device */
148 struct pcmcia_socket *socket;
149
150 u8 device_no;
151
152 /* the hardware "function" device; certain subdevices can
153 * share one hardware "function" device. */
154 u8 func;
155
156 struct list_head socket_device_list;
157
158 /* deprecated, a cleaned up version will be moved into this
159 struct soon */
160 dev_link_t *instance;
161 struct client_t {
162 u_short client_magic;
163 struct pcmcia_socket *Socket;
164 u_char Function;
165 u_int state;
166 event_t EventMask;
167 int (*event_handler) (event_t event, int priority,
168 event_callback_args_t *);
169 event_callback_args_t event_callback_args;
170 } client;
171
172 struct device dev;
173 };
174
175 #define to_pcmcia_dev(n) container_of(n, struct pcmcia_device, dev)
176 #define to_pcmcia_drv(n) container_of(n, struct pcmcia_driver, drv)
177
178 #define handle_to_pdev(handle) container_of(handle, struct pcmcia_device, client);
179 #define handle_to_dev(handle) ((container_of(handle, struct pcmcia_device, client))->dev)
180
181 /* error reporting */
182 void cs_error(client_handle_t handle, int func, int ret);
183
184 #endif /* __KERNEL__ */
185 #endif /* _LINUX_DS_H */
186
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