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 - 2010 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 (*init) (struct pcmcia_socket *s); 64 void (*exit) (struct pcmcia_socket *s); 65 }; 66 67 /* Flags in config state */ 68 #define CONFIG_LOCKED 0x01 69 #define CONFIG_IRQ_REQ 0x02 70 #define CONFIG_IO_REQ 0x04 71 72 /* Flags in socket state */ 73 #define SOCKET_PRESENT 0x0008 74 #define SOCKET_INUSE 0x0010 75 #define SOCKET_SUSPEND 0x0080 76 #define SOCKET_WIN_REQ(i) (0x0100<<(i)) 77 #define SOCKET_CARDBUS 0x8000 78 #define SOCKET_CARDBUS_CONFIG 0x10000 79 80 81 /* 82 * Stuff internal to module "pcmcia_rsrc": 83 */ 84 extern int static_init(struct pcmcia_socket *s); 85 extern struct resource *pcmcia_make_resource(unsigned long start, 86 unsigned long end, 87 int flags, const char *name); 88 89 /* 90 * Stuff internal to module "pcmcia_core": 91 */ 92 93 /* socket_sysfs.c */ 94 extern int pccard_sysfs_add_socket(struct device *dev); 95 extern void pccard_sysfs_remove_socket(struct device *dev); 96 97 /* cardbus.c */ 98 int cb_alloc(struct pcmcia_socket *s); 99 void cb_free(struct pcmcia_socket *s); 100 101 102 103 /* 104 * Stuff exported by module "pcmcia_core" to module "pcmcia" 105 */ 106 107 struct pcmcia_callback{ 108 struct module *owner; 109 int (*add) (struct pcmcia_socket *s); 110 int (*remove) (struct pcmcia_socket *s); 111 void (*requery) (struct pcmcia_socket *s); 112 int (*validate) (struct pcmcia_socket *s, unsigned int *i); 113 int (*suspend) (struct pcmcia_socket *s); 114 int (*early_resume) (struct pcmcia_socket *s); 115 int (*resume) (struct pcmcia_socket *s); 116 }; 117 118 /* cs.c */ 119 extern struct rw_semaphore pcmcia_socket_list_rwsem; 120 extern struct list_head pcmcia_socket_list; 121 extern struct class pcmcia_socket_class; 122 123 int pccard_register_pcmcia(struct pcmcia_socket *s, struct pcmcia_callback *c); 124 struct pcmcia_socket *pcmcia_get_socket_by_nr(unsigned int nr); 125 126 void pcmcia_parse_uevents(struct pcmcia_socket *socket, unsigned int events); 127 #define PCMCIA_UEVENT_EJECT 0x0001 128 #define PCMCIA_UEVENT_INSERT 0x0002 129 #define PCMCIA_UEVENT_SUSPEND 0x0004 130 #define PCMCIA_UEVENT_RESUME 0x0008 131 #define PCMCIA_UEVENT_REQUERY 0x0010 132 133 struct pcmcia_socket *pcmcia_get_socket(struct pcmcia_socket *skt); 134 void pcmcia_put_socket(struct pcmcia_socket *skt); 135 136 /* 137 * Stuff internal to module "pcmcia". 138 */ 139 /* ds.c */ 140 extern struct bus_type pcmcia_bus_type; 141 142 struct pcmcia_device; 143 144 /* pcmcia_resource.c */ 145 extern int pcmcia_release_configuration(struct pcmcia_device *p_dev); 146 extern int pcmcia_validate_mem(struct pcmcia_socket *s); 147 extern struct resource *pcmcia_find_mem_region(u_long base, 148 u_long num, 149 u_long align, 150 int low, 151 struct pcmcia_socket *s); 152 153 void pcmcia_cleanup_irq(struct pcmcia_socket *s); 154 int pcmcia_setup_irq(struct pcmcia_device *p_dev); 155 156 /* cistpl.c */ 157 extern struct bin_attribute pccard_cis_attr; 158 159 int pcmcia_read_cis_mem(struct pcmcia_socket *s, int attr, 160 u_int addr, u_int len, void *ptr); 161 void pcmcia_write_cis_mem(struct pcmcia_socket *s, int attr, 162 u_int addr, u_int len, void *ptr); 163 void release_cis_mem(struct pcmcia_socket *s); 164 void destroy_cis_cache(struct pcmcia_socket *s); 165 int pccard_read_tuple(struct pcmcia_socket *s, unsigned int function, 166 cisdata_t code, void *parse); 167 int pcmcia_replace_cis(struct pcmcia_socket *s, 168 const u8 *data, const size_t len); 169 int pccard_validate_cis(struct pcmcia_socket *s, unsigned int *count); 170 int verify_cis_cache(struct pcmcia_socket *s); 171 172 int pccard_loop_tuple(struct pcmcia_socket *s, unsigned int function, 173 cisdata_t code, cisparse_t *parse, void *priv_data, 174 int (*loop_tuple) (tuple_t *tuple, 175 cisparse_t *parse, 176 void *priv_data)); 177 178 int pccard_get_first_tuple(struct pcmcia_socket *s, unsigned int function, 179 tuple_t *tuple); 180 181 int pccard_get_next_tuple(struct pcmcia_socket *s, unsigned int function, 182 tuple_t *tuple); 183 184 int pccard_get_tuple_data(struct pcmcia_socket *s, tuple_t *tuple); 185 186 #endif /* _LINUX_CS_INTERNAL_H */ 187