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 /* Flag to access all functions */ 30 #define BIND_FN_ALL 0xff 31 32 /* Each card function gets one of these guys */ 33 typedef struct config_t { 34 struct kref ref; 35 unsigned int state; 36 37 struct resource io[MAX_IO_WIN]; /* io ports */ 38 struct resource mem[MAX_WIN]; /* mem areas */ 39 } config_t; 40 41 42 struct cis_cache_entry { 43 struct list_head node; 44 unsigned int addr; 45 unsigned int len; 46 unsigned int attr; 47 unsigned char cache[0]; 48 }; 49 50 struct pccard_resource_ops { 51 int (*validate_mem) (struct pcmcia_socket *s); 52 int (*find_io) (struct pcmcia_socket *s, 53 unsigned int attr, 54 unsigned int *base, 55 unsigned int num, 56 unsigned int align, 57 struct resource **parent); 58 struct resource* (*find_mem) (unsigned long base, unsigned long num, 59 unsigned long align, int low, 60 struct pcmcia_socket *s); 61 int (*init) (struct pcmcia_socket *s); 62 void (*exit) (struct pcmcia_socket *s); 63 }; 64 65 /* Flags in config state */ 66 #define CONFIG_LOCKED 0x01 67 #define CONFIG_IRQ_REQ 0x02 68 #define CONFIG_IO_REQ 0x04 69 70 /* Flags in socket state */ 71 #define SOCKET_PRESENT 0x0008 72 #define SOCKET_INUSE 0x0010 73 #define SOCKET_SUSPEND 0x0080 74 #define SOCKET_WIN_REQ(i) (0x0100<<(i)) 75 #define SOCKET_CARDBUS 0x8000 76 #define SOCKET_CARDBUS_CONFIG 0x10000 77 78 79 /* 80 * Stuff internal to module "pcmcia_rsrc": 81 */ 82 extern int static_init(struct pcmcia_socket *s); 83 extern struct resource *pcmcia_make_resource(resource_size_t start, 84 resource_size_t end, 85 unsigned long flags, const char *name); 86 87 /* 88 * Stuff internal to module "pcmcia_core": 89 */ 90 91 /* socket_sysfs.c */ 92 extern int pccard_sysfs_add_socket(struct device *dev); 93 extern void pccard_sysfs_remove_socket(struct device *dev); 94 95 /* cardbus.c */ 96 int cb_alloc(struct pcmcia_socket *s); 97 void cb_free(struct pcmcia_socket *s); 98 99 100 101 /* 102 * Stuff exported by module "pcmcia_core" to module "pcmcia" 103 */ 104 105 struct pcmcia_callback{ 106 struct module *owner; 107 int (*add) (struct pcmcia_socket *s); 108 int (*remove) (struct pcmcia_socket *s); 109 void (*requery) (struct pcmcia_socket *s); 110 int (*validate) (struct pcmcia_socket *s, unsigned int *i); 111 int (*suspend) (struct pcmcia_socket *s); 112 int (*early_resume) (struct pcmcia_socket *s); 113 int (*resume) (struct pcmcia_socket *s); 114 }; 115 116 /* cs.c */ 117 extern struct rw_semaphore pcmcia_socket_list_rwsem; 118 extern struct list_head pcmcia_socket_list; 119 extern struct class pcmcia_socket_class; 120 121 int pccard_register_pcmcia(struct pcmcia_socket *s, struct pcmcia_callback *c); 122 struct pcmcia_socket *pcmcia_get_socket_by_nr(unsigned int nr); 123 124 void pcmcia_parse_uevents(struct pcmcia_socket *socket, unsigned int events); 125 #define PCMCIA_UEVENT_EJECT 0x0001 126 #define PCMCIA_UEVENT_INSERT 0x0002 127 #define PCMCIA_UEVENT_SUSPEND 0x0004 128 #define PCMCIA_UEVENT_RESUME 0x0008 129 #define PCMCIA_UEVENT_REQUERY 0x0010 130 131 struct pcmcia_socket *pcmcia_get_socket(struct pcmcia_socket *skt); 132 void pcmcia_put_socket(struct pcmcia_socket *skt); 133 134 /* 135 * Stuff internal to module "pcmcia". 136 */ 137 /* ds.c */ 138 extern struct bus_type pcmcia_bus_type; 139 140 struct pcmcia_device; 141 142 /* pcmcia_resource.c */ 143 extern int pcmcia_release_configuration(struct pcmcia_device *p_dev); 144 extern int pcmcia_validate_mem(struct pcmcia_socket *s); 145 extern struct resource *pcmcia_find_mem_region(u_long base, 146 u_long num, 147 u_long align, 148 int low, 149 struct pcmcia_socket *s); 150 151 void pcmcia_cleanup_irq(struct pcmcia_socket *s); 152 int pcmcia_setup_irq(struct pcmcia_device *p_dev); 153 154 /* cistpl.c */ 155 extern const struct bin_attribute pccard_cis_attr; 156 157 int pcmcia_read_cis_mem(struct pcmcia_socket *s, int attr, 158 u_int addr, u_int len, void *ptr); 159 int pcmcia_write_cis_mem(struct pcmcia_socket *s, int attr, 160 u_int addr, u_int len, void *ptr); 161 void release_cis_mem(struct pcmcia_socket *s); 162 void destroy_cis_cache(struct pcmcia_socket *s); 163 int pccard_read_tuple(struct pcmcia_socket *s, unsigned int function, 164 cisdata_t code, void *parse); 165 int pcmcia_replace_cis(struct pcmcia_socket *s, 166 const u8 *data, const size_t len); 167 int pccard_validate_cis(struct pcmcia_socket *s, unsigned int *count); 168 int verify_cis_cache(struct pcmcia_socket *s); 169 170 int pccard_loop_tuple(struct pcmcia_socket *s, unsigned int function, 171 cisdata_t code, cisparse_t *parse, void *priv_data, 172 int (*loop_tuple) (tuple_t *tuple, 173 cisparse_t *parse, 174 void *priv_data)); 175 176 int pccard_get_first_tuple(struct pcmcia_socket *s, unsigned int function, 177 tuple_t *tuple); 178 179 int pccard_get_next_tuple(struct pcmcia_socket *s, unsigned int function, 180 tuple_t *tuple); 181 182 int pccard_get_tuple_data(struct pcmcia_socket *s, tuple_t *tuple); 183 184 #endif /* _LINUX_CS_INTERNAL_H */ 185