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1da177e4 LT |
1 | /* |
2 | * cs_internal.h | |
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 | */ | |
14 | ||
15 | #ifndef _LINUX_CS_INTERNAL_H | |
16 | #define _LINUX_CS_INTERNAL_H | |
17 | ||
360b65b9 | 18 | #include <linux/kref.h> |
1da177e4 | 19 | |
1da177e4 LT |
20 | /* Flags in client state */ |
21 | #define CLIENT_CONFIG_LOCKED 0x0001 | |
22 | #define CLIENT_IRQ_REQ 0x0002 | |
23 | #define CLIENT_IO_REQ 0x0004 | |
24 | #define CLIENT_UNBOUND 0x0008 | |
25 | #define CLIENT_STALE 0x0010 | |
e2d40963 | 26 | #define CLIENT_WIN_REQ(i) (0x1<<(i)) |
1da177e4 LT |
27 | #define CLIENT_CARDBUS 0x8000 |
28 | ||
1da177e4 LT |
29 | /* Each card function gets one of these guys */ |
30 | typedef struct config_t { | |
360b65b9 | 31 | struct kref ref; |
1da177e4 LT |
32 | u_int state; |
33 | u_int Attributes; | |
1da177e4 LT |
34 | u_int IntType; |
35 | u_int ConfigBase; | |
36 | u_char Status, Pin, Copy, Option, ExtStatus; | |
1da177e4 LT |
37 | u_int CardValues; |
38 | io_req_t io; | |
39 | struct { | |
40 | u_int Attributes; | |
41 | } irq; | |
42 | } config_t; | |
43 | ||
44 | struct cis_cache_entry { | |
45 | struct list_head node; | |
46 | unsigned int addr; | |
47 | unsigned int len; | |
48 | unsigned int attr; | |
49 | unsigned char cache[0]; | |
50 | }; | |
51 | ||
52 | /* Flags in config state */ | |
53 | #define CONFIG_LOCKED 0x01 | |
54 | #define CONFIG_IRQ_REQ 0x02 | |
55 | #define CONFIG_IO_REQ 0x04 | |
56 | ||
57 | /* Flags in socket state */ | |
58 | #define SOCKET_PRESENT 0x0008 | |
59 | #define SOCKET_INUSE 0x0010 | |
60 | #define SOCKET_SUSPEND 0x0080 | |
61 | #define SOCKET_WIN_REQ(i) (0x0100<<(i)) | |
62 | #define SOCKET_REGION_INFO 0x4000 | |
63 | #define SOCKET_CARDBUS 0x8000 | |
64 | #define SOCKET_CARDBUS_CONFIG 0x10000 | |
65 | ||
66 | static inline int cs_socket_get(struct pcmcia_socket *skt) | |
67 | { | |
68 | int ret; | |
69 | ||
70 | WARN_ON(skt->state & SOCKET_INUSE); | |
71 | ||
72 | ret = try_module_get(skt->owner); | |
73 | if (ret) | |
74 | skt->state |= SOCKET_INUSE; | |
75 | return ret; | |
76 | } | |
77 | ||
78 | static inline void cs_socket_put(struct pcmcia_socket *skt) | |
79 | { | |
80 | if (skt->state & SOCKET_INUSE) { | |
81 | skt->state &= ~SOCKET_INUSE; | |
82 | module_put(skt->owner); | |
83 | } | |
84 | } | |
85 | ||
1da177e4 LT |
86 | /* In cardbus.c */ |
87 | int cb_alloc(struct pcmcia_socket *s); | |
88 | void cb_free(struct pcmcia_socket *s); | |
89 | int read_cb_mem(struct pcmcia_socket *s, int space, u_int addr, u_int len, void *ptr); | |
90 | ||
91 | /* In cistpl.c */ | |
e6ea0b9e | 92 | int pcmcia_read_cis_mem(struct pcmcia_socket *s, int attr, |
1da177e4 | 93 | u_int addr, u_int len, void *ptr); |
e6ea0b9e | 94 | void pcmcia_write_cis_mem(struct pcmcia_socket *s, int attr, |
1da177e4 LT |
95 | u_int addr, u_int len, void *ptr); |
96 | void release_cis_mem(struct pcmcia_socket *s); | |
97 | void destroy_cis_cache(struct pcmcia_socket *s); | |
98 | int verify_cis_cache(struct pcmcia_socket *s); | |
99 | int pccard_read_tuple(struct pcmcia_socket *s, unsigned int function, cisdata_t code, void *parse); | |
100 | ||
101 | /* In rsrc_mgr */ | |
de75914e | 102 | int pcmcia_validate_mem(struct pcmcia_socket *s); |
e6ea0b9e | 103 | struct resource *pcmcia_find_io_region(unsigned long base, int num, unsigned long align, |
1da177e4 | 104 | struct pcmcia_socket *s); |
e6ea0b9e | 105 | int pcmcia_adjust_io_region(struct resource *res, unsigned long r_start, |
1da177e4 | 106 | unsigned long r_end, struct pcmcia_socket *s); |
e6ea0b9e | 107 | struct resource *pcmcia_find_mem_region(u_long base, u_long num, u_long align, |
1da177e4 | 108 | int low, struct pcmcia_socket *s); |
1da177e4 LT |
109 | void release_resource_db(struct pcmcia_socket *s); |
110 | ||
111 | /* In socket_sysfs.c */ | |
4356d73d DB |
112 | extern int pccard_sysfs_add_socket(struct device *dev); |
113 | extern void pccard_sysfs_remove_socket(struct device *dev); | |
1da177e4 LT |
114 | |
115 | /* In cs.c */ | |
116 | extern struct rw_semaphore pcmcia_socket_list_rwsem; | |
117 | extern struct list_head pcmcia_socket_list; | |
118 | int pcmcia_get_window(struct pcmcia_socket *s, window_handle_t *handle, int idx, win_req_t *req); | |
855cdf13 | 119 | int pccard_get_configuration_info(struct pcmcia_socket *s, struct pcmcia_device *p_dev, config_info_t *config); |
1da177e4 | 120 | int pccard_reset_card(struct pcmcia_socket *skt); |
1da177e4 LT |
121 | |
122 | ||
123 | struct pcmcia_callback{ | |
124 | struct module *owner; | |
125 | int (*event) (struct pcmcia_socket *s, event_t event, int priority); | |
4ae1cbf1 | 126 | void (*requery) (struct pcmcia_socket *s, int new_cis); |
8e9e793d DB |
127 | int (*suspend) (struct pcmcia_socket *s); |
128 | int (*resume) (struct pcmcia_socket *s); | |
1da177e4 LT |
129 | }; |
130 | ||
131 | int pccard_register_pcmcia(struct pcmcia_socket *s, struct pcmcia_callback *c); | |
132 | ||
87373318 | 133 | #define cs_socket_name(skt) ((skt)->dev.bus_id) |
1da177e4 LT |
134 | |
135 | #ifdef DEBUG | |
136 | extern int cs_debug_level(int); | |
137 | ||
138 | #define cs_dbg(skt, lvl, fmt, arg...) do { \ | |
139 | if (cs_debug_level(lvl)) \ | |
2e55bf6b DB |
140 | dev_printk(KERN_DEBUG, &skt->dev, \ |
141 | "cs: " fmt, ## arg); \ | |
1da177e4 LT |
142 | } while (0) |
143 | ||
144 | #else | |
145 | #define cs_dbg(skt, lvl, fmt, arg...) do { } while (0) | |
146 | #endif | |
147 | ||
148 | #define cs_err(skt, fmt, arg...) \ | |
2e55bf6b | 149 | dev_printk(KERN_ERR, &skt->dev, "cs: " fmt, ## arg) |
1da177e4 LT |
150 | |
151 | #endif /* _LINUX_CS_INTERNAL_H */ |