1 /* 2 * cs_internal.h -- definitions internal to the PCMCIA core modules 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 - 2008 Dominik Brodowski 14 * 15 * 16 * This file contains definitions _only_ needed by the PCMCIA core modules. 17 * It must not be included by PCMCIA socket drivers or by PCMCIA device 18 * drivers. 19 */ 20 21 #ifndef _LINUX_CS_INTERNAL_H 22 #define _LINUX_CS_INTERNAL_H 23 24 #include <linux/kref.h> 25 26 /* Flags in client state */ 27 #define CLIENT_WIN_REQ(i) (0x1<<(i)) 28 29 /* Each card function gets one of these guys */ 30 typedef struct config_t { 31 struct kref ref; 32 unsigned int state; 33 unsigned int Attributes; 34 unsigned int IntType; 35 unsigned int ConfigBase; 36 unsigned char Status, Pin, Copy, Option, ExtStatus; 37 unsigned int CardValues; 38 io_req_t io; 39 struct { 40 u_int Attributes; 41 } irq; 42 } config_t; 43 44 45 struct cis_cache_entry { 46 struct list_head node; 47 unsigned int addr; 48 unsigned int len; 49 unsigned int attr; 50 unsigned char cache[0]; 51 }; 52 53 struct pccard_resource_ops { 54 int (*validate_mem) (struct pcmcia_socket *s); 55 int (*find_io) (struct pcmcia_socket *s, 56 unsigned int attr, 57 unsigned int *base, 58 unsigned int num, 59 unsigned int align); 60 struct resource* (*find_mem) (unsigned long base, unsigned long num, 61 unsigned long align, int low, 62 struct pcmcia_socket *s); 63 int (*add_io) (struct pcmcia_socket *s, 64 unsigned int action, 65 unsigned long r_start, 66 unsigned long r_end); 67 int (*add_mem) (struct pcmcia_socket *s, 68 unsigned int action, 69 unsigned long r_start, 70 unsigned long r_end); 71 int (*init) (struct pcmcia_socket *s); 72 void (*exit) (struct pcmcia_socket *s); 73 }; 74 75 /* Flags in config state */ 76 #define CONFIG_LOCKED 0x01 77 #define CONFIG_IRQ_REQ 0x02 78 #define CONFIG_IO_REQ 0x04 79 80 /* Flags in socket state */ 81 #define SOCKET_PRESENT 0x0008 82 #define SOCKET_INUSE 0x0010 83 #define SOCKET_SUSPEND 0x0080 84 #define SOCKET_WIN_REQ(i) (0x0100<<(i)) 85 #define SOCKET_CARDBUS 0x8000 86 #define SOCKET_CARDBUS_CONFIG 0x10000 87 88 89 /* 90 * Stuff internal to module "pcmcia_rsrc": 91 */ 92 extern int static_init(struct pcmcia_socket *s); 93 extern struct resource *pcmcia_make_resource(unsigned long start, 94 unsigned long end, 95 int flags, const char *name); 96 97 /* 98 * Stuff internal to module "pcmcia_core": 99 */ 100 101 /* socket_sysfs.c */ 102 extern int pccard_sysfs_add_socket(struct device *dev); 103 extern void pccard_sysfs_remove_socket(struct device *dev); 104 105 /* cardbus.c */ 106 int cb_alloc(struct pcmcia_socket *s); 107 void cb_free(struct pcmcia_socket *s); 108 109 110 111 /* 112 * Stuff exported by module "pcmcia_core" to module "pcmcia" 113 */ 114 115 struct pcmcia_callback{ 116 struct module *owner; 117 int (*event) (struct pcmcia_socket *s, 118 event_t event, int priority); 119 void (*requery) (struct pcmcia_socket *s); 120 int (*validate) (struct pcmcia_socket *s, unsigned int *i); 121 int (*suspend) (struct pcmcia_socket *s); 122 int (*resume) (struct pcmcia_socket *s); 123 }; 124 125 /* cs.c */ 126 extern struct rw_semaphore pcmcia_socket_list_rwsem; 127 extern struct list_head pcmcia_socket_list; 128 extern struct class pcmcia_socket_class; 129 130 int pccard_register_pcmcia(struct pcmcia_socket *s, struct pcmcia_callback *c); 131 struct pcmcia_socket *pcmcia_get_socket_by_nr(unsigned int nr); 132 133 void pcmcia_parse_uevents(struct pcmcia_socket *socket, unsigned int events); 134 #define PCMCIA_UEVENT_EJECT 0x0001 135 #define PCMCIA_UEVENT_INSERT 0x0002 136 #define PCMCIA_UEVENT_SUSPEND 0x0004 137 #define PCMCIA_UEVENT_RESUME 0x0008 138 #define PCMCIA_UEVENT_REQUERY 0x0010 139 140 struct pcmcia_socket *pcmcia_get_socket(struct pcmcia_socket *skt); 141 void pcmcia_put_socket(struct pcmcia_socket *skt); 142 143 /* 144 * Stuff internal to module "pcmcia". 145 */ 146 /* ds.c */ 147 extern struct bus_type pcmcia_bus_type; 148 149 /* pcmcia_resource.c */ 150 extern int pcmcia_release_configuration(struct pcmcia_device *p_dev); 151 extern int pcmcia_validate_mem(struct pcmcia_socket *s); 152 extern struct resource *pcmcia_find_mem_region(u_long base, 153 u_long num, 154 u_long align, 155 int low, 156 struct pcmcia_socket *s); 157 158 void pcmcia_cleanup_irq(struct pcmcia_socket *s); 159 int pcmcia_setup_irq(struct pcmcia_device *p_dev); 160 161 /* cistpl.c */ 162 extern struct bin_attribute pccard_cis_attr; 163 164 int pcmcia_read_cis_mem(struct pcmcia_socket *s, int attr, 165 u_int addr, u_int len, void *ptr); 166 void pcmcia_write_cis_mem(struct pcmcia_socket *s, int attr, 167 u_int addr, u_int len, void *ptr); 168 void release_cis_mem(struct pcmcia_socket *s); 169 void destroy_cis_cache(struct pcmcia_socket *s); 170 int pccard_read_tuple(struct pcmcia_socket *s, unsigned int function, 171 cisdata_t code, void *parse); 172 int pcmcia_replace_cis(struct pcmcia_socket *s, 173 const u8 *data, const size_t len); 174 int pccard_validate_cis(struct pcmcia_socket *s, unsigned int *count); 175 int verify_cis_cache(struct pcmcia_socket *s); 176 177 int pccard_loop_tuple(struct pcmcia_socket *s, unsigned int function, 178 cisdata_t code, cisparse_t *parse, void *priv_data, 179 int (*loop_tuple) (tuple_t *tuple, 180 cisparse_t *parse, 181 void *priv_data)); 182 183 int pccard_get_first_tuple(struct pcmcia_socket *s, unsigned int function, 184 tuple_t *tuple); 185 186 int pccard_get_next_tuple(struct pcmcia_socket *s, unsigned int function, 187 tuple_t *tuple); 188 189 int pccard_get_tuple_data(struct pcmcia_socket *s, tuple_t *tuple); 190 191 192 #ifdef CONFIG_PCMCIA_IOCTL 193 /* ds.c */ 194 extern struct pcmcia_device *pcmcia_get_dev(struct pcmcia_device *p_dev); 195 extern void pcmcia_put_dev(struct pcmcia_device *p_dev); 196 197 struct pcmcia_device *pcmcia_device_add(struct pcmcia_socket *s, 198 unsigned int function); 199 200 /* pcmcia_ioctl.c */ 201 extern void __init pcmcia_setup_ioctl(void); 202 extern void __exit pcmcia_cleanup_ioctl(void); 203 extern void handle_event(struct pcmcia_socket *s, event_t event); 204 extern int handle_request(struct pcmcia_socket *s, event_t event); 205 206 #else /* CONFIG_PCMCIA_IOCTL */ 207 208 static inline void __init pcmcia_setup_ioctl(void) { return; } 209 static inline void __exit pcmcia_cleanup_ioctl(void) { return; } 210 static inline void handle_event(struct pcmcia_socket *s, event_t event) 211 { 212 return; 213 } 214 static inline int handle_request(struct pcmcia_socket *s, event_t event) 215 { 216 return 0; 217 } 218 219 #endif /* CONFIG_PCMCIA_IOCTL */ 220 221 #endif /* _LINUX_CS_INTERNAL_H */ 222