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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 | |
26 | #define CLIENT_WIN_REQ(i) (0x20<<(i)) | |
27 | #define CLIENT_CARDBUS 0x8000 | |
28 | ||
29 | #define REGION_MAGIC 0xE3C9 | |
30 | typedef struct region_t { | |
31 | u_short region_magic; | |
32 | u_short state; | |
33 | dev_info_t dev_info; | |
fba395ee | 34 | struct pcmcia_device *mtd; |
1da177e4 LT |
35 | u_int MediaID; |
36 | region_info_t info; | |
37 | } region_t; | |
38 | ||
39 | #define REGION_STALE 0x01 | |
40 | ||
41 | /* Each card function gets one of these guys */ | |
42 | typedef struct config_t { | |
360b65b9 | 43 | struct kref ref; |
1da177e4 LT |
44 | u_int state; |
45 | u_int Attributes; | |
1da177e4 LT |
46 | u_int IntType; |
47 | u_int ConfigBase; | |
48 | u_char Status, Pin, Copy, Option, ExtStatus; | |
1da177e4 LT |
49 | u_int CardValues; |
50 | io_req_t io; | |
51 | struct { | |
52 | u_int Attributes; | |
53 | } irq; | |
54 | } config_t; | |
55 | ||
56 | struct cis_cache_entry { | |
57 | struct list_head node; | |
58 | unsigned int addr; | |
59 | unsigned int len; | |
60 | unsigned int attr; | |
61 | unsigned char cache[0]; | |
62 | }; | |
63 | ||
64 | /* Flags in config state */ | |
65 | #define CONFIG_LOCKED 0x01 | |
66 | #define CONFIG_IRQ_REQ 0x02 | |
67 | #define CONFIG_IO_REQ 0x04 | |
68 | ||
69 | /* Flags in socket state */ | |
70 | #define SOCKET_PRESENT 0x0008 | |
71 | #define SOCKET_INUSE 0x0010 | |
72 | #define SOCKET_SUSPEND 0x0080 | |
73 | #define SOCKET_WIN_REQ(i) (0x0100<<(i)) | |
74 | #define SOCKET_REGION_INFO 0x4000 | |
75 | #define SOCKET_CARDBUS 0x8000 | |
76 | #define SOCKET_CARDBUS_CONFIG 0x10000 | |
77 | ||
78 | static inline int cs_socket_get(struct pcmcia_socket *skt) | |
79 | { | |
80 | int ret; | |
81 | ||
82 | WARN_ON(skt->state & SOCKET_INUSE); | |
83 | ||
84 | ret = try_module_get(skt->owner); | |
85 | if (ret) | |
86 | skt->state |= SOCKET_INUSE; | |
87 | return ret; | |
88 | } | |
89 | ||
90 | static inline void cs_socket_put(struct pcmcia_socket *skt) | |
91 | { | |
92 | if (skt->state & SOCKET_INUSE) { | |
93 | skt->state &= ~SOCKET_INUSE; | |
94 | module_put(skt->owner); | |
95 | } | |
96 | } | |
97 | ||
1da177e4 LT |
98 | /* In cardbus.c */ |
99 | int cb_alloc(struct pcmcia_socket *s); | |
100 | void cb_free(struct pcmcia_socket *s); | |
101 | int read_cb_mem(struct pcmcia_socket *s, int space, u_int addr, u_int len, void *ptr); | |
102 | ||
103 | /* In cistpl.c */ | |
e6ea0b9e | 104 | int pcmcia_read_cis_mem(struct pcmcia_socket *s, int attr, |
1da177e4 | 105 | u_int addr, u_int len, void *ptr); |
e6ea0b9e | 106 | void pcmcia_write_cis_mem(struct pcmcia_socket *s, int attr, |
1da177e4 LT |
107 | u_int addr, u_int len, void *ptr); |
108 | void release_cis_mem(struct pcmcia_socket *s); | |
109 | void destroy_cis_cache(struct pcmcia_socket *s); | |
110 | int verify_cis_cache(struct pcmcia_socket *s); | |
111 | int pccard_read_tuple(struct pcmcia_socket *s, unsigned int function, cisdata_t code, void *parse); | |
112 | ||
113 | /* In rsrc_mgr */ | |
de75914e | 114 | int pcmcia_validate_mem(struct pcmcia_socket *s); |
e6ea0b9e | 115 | struct resource *pcmcia_find_io_region(unsigned long base, int num, unsigned long align, |
1da177e4 | 116 | struct pcmcia_socket *s); |
e6ea0b9e | 117 | int pcmcia_adjust_io_region(struct resource *res, unsigned long r_start, |
1da177e4 | 118 | unsigned long r_end, struct pcmcia_socket *s); |
e6ea0b9e | 119 | struct resource *pcmcia_find_mem_region(u_long base, u_long num, u_long align, |
1da177e4 | 120 | int low, struct pcmcia_socket *s); |
1da177e4 LT |
121 | void release_resource_db(struct pcmcia_socket *s); |
122 | ||
123 | /* In socket_sysfs.c */ | |
124 | extern struct class_interface pccard_sysfs_interface; | |
125 | ||
126 | /* In cs.c */ | |
127 | extern struct rw_semaphore pcmcia_socket_list_rwsem; | |
128 | extern struct list_head pcmcia_socket_list; | |
129 | int pcmcia_get_window(struct pcmcia_socket *s, window_handle_t *handle, int idx, win_req_t *req); | |
855cdf13 | 130 | int pccard_get_configuration_info(struct pcmcia_socket *s, struct pcmcia_device *p_dev, config_info_t *config); |
1da177e4 | 131 | int pccard_reset_card(struct pcmcia_socket *skt); |
855cdf13 | 132 | int pccard_get_status(struct pcmcia_socket *s, struct pcmcia_device *p_dev, cs_status_t *status); |
1da177e4 LT |
133 | |
134 | ||
135 | struct pcmcia_callback{ | |
136 | struct module *owner; | |
137 | int (*event) (struct pcmcia_socket *s, event_t event, int priority); | |
e2f0b534 | 138 | void (*requery) (struct pcmcia_socket *s); |
8e9e793d DB |
139 | int (*suspend) (struct pcmcia_socket *s); |
140 | int (*resume) (struct pcmcia_socket *s); | |
1da177e4 LT |
141 | }; |
142 | ||
143 | int pccard_register_pcmcia(struct pcmcia_socket *s, struct pcmcia_callback *c); | |
144 | ||
145 | #define cs_socket_name(skt) ((skt)->dev.class_id) | |
146 | ||
147 | #ifdef DEBUG | |
148 | extern int cs_debug_level(int); | |
149 | ||
150 | #define cs_dbg(skt, lvl, fmt, arg...) do { \ | |
151 | if (cs_debug_level(lvl)) \ | |
152 | printk(KERN_DEBUG "cs: %s: " fmt, \ | |
153 | cs_socket_name(skt) , ## arg); \ | |
154 | } while (0) | |
155 | ||
156 | #else | |
157 | #define cs_dbg(skt, lvl, fmt, arg...) do { } while (0) | |
158 | #endif | |
159 | ||
160 | #define cs_err(skt, fmt, arg...) \ | |
161 | printk(KERN_ERR "cs: %s: " fmt, (skt)->dev.class_id , ## arg) | |
162 | ||
163 | #endif /* _LINUX_CS_INTERNAL_H */ |