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 /* Each card function gets one of these guys */ 30 typedef struct config_t { 31 struct kref ref; 32 u_int state; 33 u_int Attributes; 34 u_int IntType; 35 u_int ConfigBase; 36 u_char Status, Pin, Copy, Option, ExtStatus; 37 u_int CardValues; 38 io_req_t io; 39 struct { 40 u_int Attributes; 41 } irq; 42 } config_t; 43 44 struct cis_cache_entry { 45 struct list_head node; 46 unsigned int addr; 47 unsigned int len; 48 unsigned int attr; 49 unsigned char cache[0]; 50 }; 51 52 /* Flags in config state */ 53 #define CONFIG_LOCKED 0x01 54 #define CONFIG_IRQ_REQ 0x02 55 #define CONFIG_IO_REQ 0x04 56 57 /* Flags in socket state */ 58 #define SOCKET_PRESENT 0x0008 59 #define SOCKET_INUSE 0x0010 60 #define SOCKET_SUSPEND 0x0080 61 #define SOCKET_WIN_REQ(i) (0x0100<<(i)) 62 #define SOCKET_REGION_INFO 0x4000 63 #define SOCKET_CARDBUS 0x8000 64 #define SOCKET_CARDBUS_CONFIG 0x10000 65 66 static inline int cs_socket_get(struct pcmcia_socket *skt) 67 { 68 int ret; 69 70 WARN_ON(skt->state & SOCKET_INUSE); 71 72 ret = try_module_get(skt->owner); 73 if (ret) 74 skt->state |= SOCKET_INUSE; 75 return ret; 76 } 77 78 static inline void cs_socket_put(struct pcmcia_socket *skt) 79 { 80 if (skt->state & SOCKET_INUSE) { 81 skt->state &= ~SOCKET_INUSE; 82 module_put(skt->owner); 83 } 84 } 85 86 /* In cardbus.c */ 87 int cb_alloc(struct pcmcia_socket *s); 88 void cb_free(struct pcmcia_socket *s); 89 int read_cb_mem(struct pcmcia_socket *s, int space, u_int addr, u_int len, void *ptr); 90 91 /* In cistpl.c */ 92 int pcmcia_read_cis_mem(struct pcmcia_socket *s, int attr, 93 u_int addr, u_int len, void *ptr); 94 void pcmcia_write_cis_mem(struct pcmcia_socket *s, int attr, 95 u_int addr, u_int len, void *ptr); 96 void release_cis_mem(struct pcmcia_socket *s); 97 void destroy_cis_cache(struct pcmcia_socket *s); 98 int verify_cis_cache(struct pcmcia_socket *s); 99 int pccard_read_tuple(struct pcmcia_socket *s, unsigned int function, cisdata_t code, void *parse); 100 101 /* In rsrc_mgr */ 102 int pcmcia_validate_mem(struct pcmcia_socket *s); 103 struct resource *pcmcia_find_io_region(unsigned long base, int num, unsigned long align, 104 struct pcmcia_socket *s); 105 int pcmcia_adjust_io_region(struct resource *res, unsigned long r_start, 106 unsigned long r_end, struct pcmcia_socket *s); 107 struct resource *pcmcia_find_mem_region(u_long base, u_long num, u_long align, 108 int low, struct pcmcia_socket *s); 109 void release_resource_db(struct pcmcia_socket *s); 110 111 /* In socket_sysfs.c */ 112 extern int pccard_sysfs_add_socket(struct device *dev); 113 extern void pccard_sysfs_remove_socket(struct device *dev); 114 115 /* In cs.c */ 116 extern struct rw_semaphore pcmcia_socket_list_rwsem; 117 extern struct list_head pcmcia_socket_list; 118 int pcmcia_get_window(struct pcmcia_socket *s, window_handle_t *handle, int idx, win_req_t *req); 119 int pccard_get_configuration_info(struct pcmcia_socket *s, struct pcmcia_device *p_dev, config_info_t *config); 120 int pccard_reset_card(struct pcmcia_socket *skt); 121 122 123 struct pcmcia_callback{ 124 struct module *owner; 125 int (*event) (struct pcmcia_socket *s, event_t event, int priority); 126 void (*requery) (struct pcmcia_socket *s, int new_cis); 127 int (*suspend) (struct pcmcia_socket *s); 128 int (*resume) (struct pcmcia_socket *s); 129 }; 130 131 int pccard_register_pcmcia(struct pcmcia_socket *s, struct pcmcia_callback *c); 132 133 #define cs_socket_name(skt) ((skt)->dev.bus_id) 134 135 #ifdef DEBUG 136 extern int cs_debug_level(int); 137 138 #define cs_dbg(skt, lvl, fmt, arg...) do { \ 139 if (cs_debug_level(lvl)) \ 140 printk(KERN_DEBUG "cs: %s: " fmt, \ 141 cs_socket_name(skt) , ## arg); \ 142 } while (0) 143 144 #else 145 #define cs_dbg(skt, lvl, fmt, arg...) do { } while (0) 146 #endif 147 148 #define cs_err(skt, fmt, arg...) \ 149 printk(KERN_ERR "cs: %s: " fmt, (skt)->dev.bus_id , ## arg) 150 151 #endif /* _LINUX_CS_INTERNAL_H */ 152