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/kref.h> 19 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) (0x1<<(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; 34 struct pcmcia_device *mtd; 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 { 43 struct kref ref; 44 u_int state; 45 u_int Attributes; 46 u_int IntType; 47 u_int ConfigBase; 48 u_char Status, Pin, Copy, Option, ExtStatus; 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 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 */ 104 int pcmcia_read_cis_mem(struct pcmcia_socket *s, int attr, 105 u_int addr, u_int len, void *ptr); 106 void pcmcia_write_cis_mem(struct pcmcia_socket *s, int attr, 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 */ 114 int pcmcia_validate_mem(struct pcmcia_socket *s); 115 struct resource *pcmcia_find_io_region(unsigned long base, int num, unsigned long align, 116 struct pcmcia_socket *s); 117 int pcmcia_adjust_io_region(struct resource *res, unsigned long r_start, 118 unsigned long r_end, struct pcmcia_socket *s); 119 struct resource *pcmcia_find_mem_region(u_long base, u_long num, u_long align, 120 int low, struct pcmcia_socket *s); 121 void release_resource_db(struct pcmcia_socket *s); 122 123 /* In socket_sysfs.c */ 124 extern int pccard_sysfs_add_socket(struct device *dev); 125 extern void pccard_sysfs_remove_socket(struct device *dev); 126 127 /* In cs.c */ 128 extern struct rw_semaphore pcmcia_socket_list_rwsem; 129 extern struct list_head pcmcia_socket_list; 130 int pcmcia_get_window(struct pcmcia_socket *s, window_handle_t *handle, int idx, win_req_t *req); 131 int pccard_get_configuration_info(struct pcmcia_socket *s, struct pcmcia_device *p_dev, config_info_t *config); 132 int pccard_reset_card(struct pcmcia_socket *skt); 133 int pccard_get_status(struct pcmcia_socket *s, struct pcmcia_device *p_dev, cs_status_t *status); 134 135 136 struct pcmcia_callback{ 137 struct module *owner; 138 int (*event) (struct pcmcia_socket *s, event_t event, int priority); 139 void (*requery) (struct pcmcia_socket *s, int new_cis); 140 int (*suspend) (struct pcmcia_socket *s); 141 int (*resume) (struct pcmcia_socket *s); 142 }; 143 144 int pccard_register_pcmcia(struct pcmcia_socket *s, struct pcmcia_callback *c); 145 146 #define cs_socket_name(skt) ((skt)->dev.bus_id) 147 148 #ifdef DEBUG 149 extern int cs_debug_level(int); 150 151 #define cs_dbg(skt, lvl, fmt, arg...) do { \ 152 if (cs_debug_level(lvl)) \ 153 printk(KERN_DEBUG "cs: %s: " fmt, \ 154 cs_socket_name(skt) , ## arg); \ 155 } while (0) 156 157 #else 158 #define cs_dbg(skt, lvl, fmt, arg...) do { } while (0) 159 #endif 160 161 #define cs_err(skt, fmt, arg...) \ 162 printk(KERN_ERR "cs: %s: " fmt, (skt)->dev.bus_id , ## arg) 163 164 #endif /* _LINUX_CS_INTERNAL_H */ 165