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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 | ||
18 | #include <linux/config.h> | |
19 | ||
20 | #define CLIENT_MAGIC 0x51E6 | |
21 | typedef struct client_t client_t; | |
22 | ||
23 | /* Flags in client state */ | |
24 | #define CLIENT_CONFIG_LOCKED 0x0001 | |
25 | #define CLIENT_IRQ_REQ 0x0002 | |
26 | #define CLIENT_IO_REQ 0x0004 | |
27 | #define CLIENT_UNBOUND 0x0008 | |
28 | #define CLIENT_STALE 0x0010 | |
29 | #define CLIENT_WIN_REQ(i) (0x20<<(i)) | |
30 | #define CLIENT_CARDBUS 0x8000 | |
31 | ||
32 | #define REGION_MAGIC 0xE3C9 | |
33 | typedef struct region_t { | |
34 | u_short region_magic; | |
35 | u_short state; | |
36 | dev_info_t dev_info; | |
37 | client_handle_t mtd; | |
38 | u_int MediaID; | |
39 | region_info_t info; | |
40 | } region_t; | |
41 | ||
42 | #define REGION_STALE 0x01 | |
43 | ||
44 | /* Each card function gets one of these guys */ | |
45 | typedef struct config_t { | |
46 | u_int state; | |
47 | u_int Attributes; | |
48 | u_int Vcc, Vpp1, Vpp2; | |
49 | u_int IntType; | |
50 | u_int ConfigBase; | |
51 | u_char Status, Pin, Copy, Option, ExtStatus; | |
52 | u_int Present; | |
53 | u_int CardValues; | |
54 | io_req_t io; | |
55 | struct { | |
56 | u_int Attributes; | |
57 | } irq; | |
58 | } config_t; | |
59 | ||
60 | struct cis_cache_entry { | |
61 | struct list_head node; | |
62 | unsigned int addr; | |
63 | unsigned int len; | |
64 | unsigned int attr; | |
65 | unsigned char cache[0]; | |
66 | }; | |
67 | ||
68 | /* Flags in config state */ | |
69 | #define CONFIG_LOCKED 0x01 | |
70 | #define CONFIG_IRQ_REQ 0x02 | |
71 | #define CONFIG_IO_REQ 0x04 | |
72 | ||
73 | /* Flags in socket state */ | |
74 | #define SOCKET_PRESENT 0x0008 | |
75 | #define SOCKET_INUSE 0x0010 | |
76 | #define SOCKET_SUSPEND 0x0080 | |
77 | #define SOCKET_WIN_REQ(i) (0x0100<<(i)) | |
78 | #define SOCKET_REGION_INFO 0x4000 | |
79 | #define SOCKET_CARDBUS 0x8000 | |
80 | #define SOCKET_CARDBUS_CONFIG 0x10000 | |
81 | ||
82 | static inline int cs_socket_get(struct pcmcia_socket *skt) | |
83 | { | |
84 | int ret; | |
85 | ||
86 | WARN_ON(skt->state & SOCKET_INUSE); | |
87 | ||
88 | ret = try_module_get(skt->owner); | |
89 | if (ret) | |
90 | skt->state |= SOCKET_INUSE; | |
91 | return ret; | |
92 | } | |
93 | ||
94 | static inline void cs_socket_put(struct pcmcia_socket *skt) | |
95 | { | |
96 | if (skt->state & SOCKET_INUSE) { | |
97 | skt->state &= ~SOCKET_INUSE; | |
98 | module_put(skt->owner); | |
99 | } | |
100 | } | |
101 | ||
102 | #define CHECK_HANDLE(h) \ | |
103 | (((h) == NULL) || ((h)->client_magic != CLIENT_MAGIC)) | |
104 | ||
105 | #define CHECK_SOCKET(s) \ | |
106 | (((s) >= sockets) || (socket_table[s]->ops == NULL)) | |
107 | ||
108 | #define SOCKET(h) (h->Socket) | |
109 | #define CONFIG(h) (&SOCKET(h)->config[(h)->Function]) | |
110 | ||
111 | #define CHECK_REGION(r) \ | |
112 | (((r) == NULL) || ((r)->region_magic != REGION_MAGIC)) | |
113 | ||
114 | #define CHECK_ERASEQ(q) \ | |
115 | (((q) == NULL) || ((q)->eraseq_magic != ERASEQ_MAGIC)) | |
116 | ||
117 | #define EVENT(h, e, p) \ | |
118 | ((h)->event_handler((e), (p), &(h)->event_callback_args)) | |
119 | ||
120 | /* In cardbus.c */ | |
121 | int cb_alloc(struct pcmcia_socket *s); | |
122 | void cb_free(struct pcmcia_socket *s); | |
123 | int read_cb_mem(struct pcmcia_socket *s, int space, u_int addr, u_int len, void *ptr); | |
124 | ||
125 | /* In cistpl.c */ | |
126 | int read_cis_mem(struct pcmcia_socket *s, int attr, | |
127 | u_int addr, u_int len, void *ptr); | |
128 | void write_cis_mem(struct pcmcia_socket *s, int attr, | |
129 | u_int addr, u_int len, void *ptr); | |
130 | void release_cis_mem(struct pcmcia_socket *s); | |
131 | void destroy_cis_cache(struct pcmcia_socket *s); | |
132 | int verify_cis_cache(struct pcmcia_socket *s); | |
133 | int pccard_read_tuple(struct pcmcia_socket *s, unsigned int function, cisdata_t code, void *parse); | |
134 | ||
135 | /* In rsrc_mgr */ | |
136 | void pcmcia_validate_mem(struct pcmcia_socket *s); | |
137 | struct resource *find_io_region(unsigned long base, int num, unsigned long align, | |
138 | struct pcmcia_socket *s); | |
139 | int adjust_io_region(struct resource *res, unsigned long r_start, | |
140 | unsigned long r_end, struct pcmcia_socket *s); | |
141 | struct resource *find_mem_region(u_long base, u_long num, u_long align, | |
142 | int low, struct pcmcia_socket *s); | |
143 | int adjust_resource_info(client_handle_t handle, adjust_t *adj); | |
144 | void release_resource_db(struct pcmcia_socket *s); | |
145 | ||
146 | /* In socket_sysfs.c */ | |
147 | extern struct class_interface pccard_sysfs_interface; | |
148 | ||
149 | /* In cs.c */ | |
150 | extern struct rw_semaphore pcmcia_socket_list_rwsem; | |
151 | extern struct list_head pcmcia_socket_list; | |
152 | int pcmcia_get_window(struct pcmcia_socket *s, window_handle_t *handle, int idx, win_req_t *req); | |
153 | int pccard_get_configuration_info(struct pcmcia_socket *s, unsigned int function, config_info_t *config); | |
154 | int pccard_reset_card(struct pcmcia_socket *skt); | |
155 | int pccard_get_status(struct pcmcia_socket *s, unsigned int function, cs_status_t *status); | |
156 | int pccard_access_configuration_register(struct pcmcia_socket *s, unsigned int function, conf_reg_t *reg); | |
157 | ||
158 | ||
159 | struct pcmcia_callback{ | |
160 | struct module *owner; | |
161 | int (*event) (struct pcmcia_socket *s, event_t event, int priority); | |
162 | int (*resources_done) (struct pcmcia_socket *s); | |
163 | }; | |
164 | ||
165 | int pccard_register_pcmcia(struct pcmcia_socket *s, struct pcmcia_callback *c); | |
166 | ||
167 | #define cs_socket_name(skt) ((skt)->dev.class_id) | |
168 | ||
169 | #ifdef DEBUG | |
170 | extern int cs_debug_level(int); | |
171 | ||
172 | #define cs_dbg(skt, lvl, fmt, arg...) do { \ | |
173 | if (cs_debug_level(lvl)) \ | |
174 | printk(KERN_DEBUG "cs: %s: " fmt, \ | |
175 | cs_socket_name(skt) , ## arg); \ | |
176 | } while (0) | |
177 | ||
178 | #else | |
179 | #define cs_dbg(skt, lvl, fmt, arg...) do { } while (0) | |
180 | #endif | |
181 | ||
182 | #define cs_err(skt, fmt, arg...) \ | |
183 | printk(KERN_ERR "cs: %s: " fmt, (skt)->dev.class_id , ## arg) | |
184 | ||
185 | #endif /* _LINUX_CS_INTERNAL_H */ |