Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
Dominik Brodowski | dc953e5 | 2008-08-25 23:18:20 +0200 | [diff] [blame^] | 2 | * cs_internal.h -- definitions internal to the PCMCIA core modules |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 |
Dominik Brodowski | dc953e5 | 2008-08-25 23:18:20 +0200 | [diff] [blame^] | 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. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 19 | */ |
| 20 | |
| 21 | #ifndef _LINUX_CS_INTERNAL_H |
| 22 | #define _LINUX_CS_INTERNAL_H |
| 23 | |
Dominik Brodowski | 360b65b | 2006-01-10 20:50:39 +0100 | [diff] [blame] | 24 | #include <linux/kref.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 25 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 26 | /* Flags in client state */ |
Dominik Brodowski | e2d4096 | 2006-03-02 00:09:29 +0100 | [diff] [blame] | 27 | #define CLIENT_WIN_REQ(i) (0x1<<(i)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 28 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 29 | /* Each card function gets one of these guys */ |
| 30 | typedef struct config_t { |
Dominik Brodowski | 360b65b | 2006-01-10 20:50:39 +0100 | [diff] [blame] | 31 | struct kref ref; |
Dominik Brodowski | dc953e5 | 2008-08-25 23:18:20 +0200 | [diff] [blame^] | 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; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 42 | } config_t; |
| 43 | |
Dominik Brodowski | dc953e5 | 2008-08-25 23:18:20 +0200 | [diff] [blame^] | 44 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | /* Flags in config state */ |
| 54 | #define CONFIG_LOCKED 0x01 |
| 55 | #define CONFIG_IRQ_REQ 0x02 |
| 56 | #define CONFIG_IO_REQ 0x04 |
| 57 | |
| 58 | /* Flags in socket state */ |
| 59 | #define SOCKET_PRESENT 0x0008 |
| 60 | #define SOCKET_INUSE 0x0010 |
| 61 | #define SOCKET_SUSPEND 0x0080 |
| 62 | #define SOCKET_WIN_REQ(i) (0x0100<<(i)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
Dominik Brodowski | 7d16b65 | 2008-08-02 21:02:01 +0200 | [diff] [blame] | 86 | #ifdef CONFIG_PCMCIA_DEBUG |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 87 | extern int cs_debug_level(int); |
| 88 | |
| 89 | #define cs_dbg(skt, lvl, fmt, arg...) do { \ |
| 90 | if (cs_debug_level(lvl)) \ |
Dominik Brodowski | 2e55bf6 | 2008-08-02 18:08:38 +0200 | [diff] [blame] | 91 | dev_printk(KERN_DEBUG, &skt->dev, \ |
| 92 | "cs: " fmt, ## arg); \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 93 | } while (0) |
Dominik Brodowski | 3f9c5f4 | 2008-08-03 12:22:40 +0200 | [diff] [blame] | 94 | #define __cs_dbg(lvl, fmt, arg...) do { \ |
| 95 | if (cs_debug_level(lvl)) \ |
| 96 | printk(KERN_DEBUG \ |
| 97 | "cs: " fmt, ## arg); \ |
| 98 | } while (0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 99 | |
| 100 | #else |
| 101 | #define cs_dbg(skt, lvl, fmt, arg...) do { } while (0) |
Dominik Brodowski | 3f9c5f4 | 2008-08-03 12:22:40 +0200 | [diff] [blame] | 102 | #define __cs_dbg(lvl, fmt, arg...) do { } while (0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 103 | #endif |
| 104 | |
| 105 | #define cs_err(skt, fmt, arg...) \ |
Dominik Brodowski | 2e55bf6 | 2008-08-02 18:08:38 +0200 | [diff] [blame] | 106 | dev_printk(KERN_ERR, &skt->dev, "cs: " fmt, ## arg) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 107 | |
Dominik Brodowski | dc953e5 | 2008-08-25 23:18:20 +0200 | [diff] [blame^] | 108 | |
| 109 | /* |
| 110 | * Stuff internal to module "pcmcia_core": |
| 111 | */ |
| 112 | |
| 113 | /* cistpl.c */ |
| 114 | int verify_cis_cache(struct pcmcia_socket *s); |
| 115 | |
| 116 | /* rsrc_mgr.c */ |
| 117 | void release_resource_db(struct pcmcia_socket *s); |
| 118 | |
| 119 | /* socket_sysfs.c */ |
| 120 | extern int pccard_sysfs_add_socket(struct device *dev); |
| 121 | extern void pccard_sysfs_remove_socket(struct device *dev); |
| 122 | |
| 123 | /* cardbus.c */ |
| 124 | int cb_alloc(struct pcmcia_socket *s); |
| 125 | void cb_free(struct pcmcia_socket *s); |
| 126 | int read_cb_mem(struct pcmcia_socket *s, int space, u_int addr, u_int len, |
| 127 | void *ptr); |
| 128 | |
| 129 | |
| 130 | |
| 131 | /* |
| 132 | * Stuff exported by module "pcmcia_core" to module "pcmcia" |
| 133 | */ |
| 134 | |
| 135 | struct pcmcia_callback{ |
| 136 | struct module *owner; |
| 137 | int (*event) (struct pcmcia_socket *s, |
| 138 | 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 | /* cs.c */ |
| 145 | extern struct rw_semaphore pcmcia_socket_list_rwsem; |
| 146 | extern struct list_head pcmcia_socket_list; |
| 147 | int pcmcia_get_window(struct pcmcia_socket *s, |
| 148 | window_handle_t *handle, |
| 149 | int idx, |
| 150 | win_req_t *req); |
| 151 | int pccard_reset_card(struct pcmcia_socket *skt); |
| 152 | int pccard_register_pcmcia(struct pcmcia_socket *s, struct pcmcia_callback *c); |
| 153 | |
| 154 | /* cistpl.c */ |
| 155 | int pcmcia_read_cis_mem(struct pcmcia_socket *s, int attr, |
| 156 | u_int addr, u_int len, void *ptr); |
| 157 | void pcmcia_write_cis_mem(struct pcmcia_socket *s, int attr, |
| 158 | u_int addr, u_int len, void *ptr); |
| 159 | void release_cis_mem(struct pcmcia_socket *s); |
| 160 | void destroy_cis_cache(struct pcmcia_socket *s); |
| 161 | int pccard_read_tuple(struct pcmcia_socket *s, unsigned int function, |
| 162 | cisdata_t code, void *parse); |
| 163 | |
| 164 | /* rsrc_mgr.c */ |
| 165 | int pcmcia_validate_mem(struct pcmcia_socket *s); |
| 166 | struct resource *pcmcia_find_io_region(unsigned long base, |
| 167 | int num, |
| 168 | unsigned long align, |
| 169 | struct pcmcia_socket *s); |
| 170 | int pcmcia_adjust_io_region(struct resource *res, |
| 171 | unsigned long r_start, |
| 172 | unsigned long r_end, |
| 173 | struct pcmcia_socket *s); |
| 174 | struct resource *pcmcia_find_mem_region(u_long base, |
| 175 | u_long num, |
| 176 | u_long align, |
| 177 | int low, |
| 178 | struct pcmcia_socket *s); |
| 179 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 180 | #endif /* _LINUX_CS_INTERNAL_H */ |