drivers/pcmcia/cs_internal.h

   1 /*
   2  * cs_internal.h 1.54 2000/10/26 20:10:55
   3  *
   4  * The contents of this file are subject to the Mozilla Public License
   5  * Version 1.1 (the "License"); you may not use this file except in
   6  * compliance with the License. You may obtain a copy of the License
   7  * at http://www.mozilla.org/MPL/
   8  *
   9  * Software distributed under the License is distributed on an "AS IS"
  10  * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
  11  * the License for the specific language governing rights and
  12  * limitations under the License.
  13  *
  14  * The initial developer of the original code is David A. Hinds
  15  * <dahinds@users.sourceforge.net>.  Portions created by David A. Hinds
  16  *  are Copyright (C) 1999 David A. Hinds.  All Rights Reserved.
  17  */
  18
  19 #ifndef _LINUX_CS_INTERNAL_H
  20 #define _LINUX_CS_INTERNAL_H
  21
  22 #include <linux/config.h>
  23
  24 typedef struct erase_busy_t {
  25     eraseq_entry_t      *erase;
  26     client_handle_t     client;
  27     struct timer_list   timeout;
  28     struct erase_busy_t *prev, *next;
  29 } erase_busy_t;
  30
  31 #define ERASEQ_MAGIC    0xFA67
  32 typedef struct eraseq_t {
  33     u_short             eraseq_magic;
  34     client_handle_t     handle;
  35     int                 count;
  36     eraseq_entry_t      *entry;
  37 } eraseq_t;
  38
  39 #define CLIENT_MAGIC    0x51E6
  40 typedef struct client_t {
  41     u_short             client_magic;
  42     socket_t            Socket;
  43     u_char              Function;
  44     dev_info_t          dev_info;
  45     u_int               Attributes;
  46     u_int               state;
  47     event_t             EventMask, PendingEvents;
  48     int (*event_handler)(event_t event, int priority,
  49                          event_callback_args_t *);
  50     event_callback_args_t event_callback_args;
  51     struct client_t     *next;
  52     u_int               mtd_count;
  53     wait_queue_head_t   mtd_req;
  54     erase_busy_t        erase_busy;
  55 } client_t;
  56
  57 /* Flags in client state */
  58 #define CLIENT_CONFIG_LOCKED    0x0001
  59 #define CLIENT_IRQ_REQ          0x0002
  60 #define CLIENT_IO_REQ           0x0004
  61 #define CLIENT_UNBOUND          0x0008
  62 #define CLIENT_STALE            0x0010
  63 #define CLIENT_WIN_REQ(i)       (0x20<<(i))
  64 #define CLIENT_CARDBUS          0x8000
  65
  66 typedef struct io_window_t {
  67     u_int               Attributes;
  68     ioaddr_t            BasePort, NumPorts;
  69     ioaddr_t            InUse, Config;
  70 } io_window_t;
  71
  72 #define WINDOW_MAGIC    0xB35C
  73 typedef struct window_t {
  74     u_short             magic;
  75     u_short             index;
  76     client_handle_t     handle;
  77     struct socket_info_t *sock;
  78     u_long              base;
  79     u_long              size;
  80     pccard_mem_map      ctl;
  81 } window_t;
  82
  83 #define REGION_MAGIC    0xE3C9
  84 typedef struct region_t {
  85     u_short             region_magic;
  86     u_short             state;
  87     dev_info_t          dev_info;
  88     client_handle_t     mtd;
  89     u_int               MediaID;
  90     region_info_t       info;
  91 } region_t;
  92
  93 #define REGION_STALE    0x01
  94
  95 /* Each card function gets one of these guys */
  96 typedef struct config_t {
  97     u_int               state;
  98     u_int               Attributes;
  99     u_int               Vcc, Vpp1, Vpp2;
 100     u_int               IntType;
 101     u_int               ConfigBase;
 102     u_char              Status, Pin, Copy, Option, ExtStatus;
 103     u_int               Present;
 104     u_int               CardValues;
 105     io_req_t            io;
 106     struct {
 107         u_int           Attributes;
 108     } irq;
 109 } config_t;
 110
 111 /* Maximum number of IO windows per socket */
 112 #define MAX_IO_WIN 2
 113
 114 /* Maximum number of memory windows per socket */
 115 #define MAX_WIN 4
 116
 117 /* The size of the CIS cache */
 118 #define MAX_CIS_TABLE   64
 119 #define MAX_CIS_DATA    512
 120
 121 typedef struct socket_info_t {
 122     spinlock_t                  lock;
 123     struct pccard_operations *  ss_entry;
 124     u_int                       sock;
 125     socket_state_t              socket;
 126     socket_cap_t                cap;
 127     u_int                       state;
 128     u_short                     functions;
 129     u_short                     lock_count;
 130     client_handle_t             clients;
 131     u_int                       real_clients;
 132     client_handle_t             reset_handle;
 133     pccard_mem_map              cis_mem;
 134     u_char                      *cis_virt;
 135     config_t                    *config;
 136 #ifdef CONFIG_CARDBUS
 137     struct resource *           cb_cis_res;
 138     u_char                      *cb_cis_virt;
 139     struct cb_config_t          *cb_config;
 140 #endif
 141     struct {
 142         u_int                   AssignedIRQ;
 143         u_int                   Config;
 144     } irq;
 145     io_window_t                 io[MAX_IO_WIN];
 146     window_t                    win[MAX_WIN];
 147     region_t                    *c_region, *a_region;
 148     erase_busy_t                erase_busy;
 149     int                         cis_used;
 150     struct {
 151         u_int                   addr;
 152         u_short                 len;
 153         u_short                 attr;
 154     }                           cis_table[MAX_CIS_TABLE];
 155     char                        cis_cache[MAX_CIS_DATA];
 156     u_int                       fake_cis_len;
 157     char                        *fake_cis;
 158 #ifdef CONFIG_PROC_FS
 159     struct proc_dir_entry       *proc;
 160 #endif
 161     int                         use_bus_pm;
 162 } socket_info_t;
 163
 164 /* Flags in config state */
 165 #define CONFIG_LOCKED           0x01
 166 #define CONFIG_IRQ_REQ          0x02
 167 #define CONFIG_IO_REQ           0x04
 168
 169 /* Flags in socket state */
 170 #define SOCKET_PRESENT          0x0008
 171 #define SOCKET_SETUP_PENDING    0x0010
 172 #define SOCKET_SHUTDOWN_PENDING 0x0020
 173 #define SOCKET_RESET_PENDING    0x0040
 174 #define SOCKET_SUSPEND          0x0080
 175 #define SOCKET_WIN_REQ(i)       (0x0100<<(i))
 176 #define SOCKET_IO_REQ(i)        (0x1000<<(i))
 177 #define SOCKET_REGION_INFO      0x4000
 178 #define SOCKET_CARDBUS          0x8000
 179
 180 #define CHECK_HANDLE(h) \
 181     (((h) == NULL) || ((h)->client_magic != CLIENT_MAGIC))
 182
 183 #define CHECK_SOCKET(s) \
 184     (((s) >= sockets) || (socket_table[s]->ss_entry == NULL))
 185
 186 #define SOCKET(h) (socket_table[(h)->Socket])
 187 #define CONFIG(h) (&SOCKET(h)->config[(h)->Function])
 188
 189 #define CHECK_REGION(r) \
 190     (((r) == NULL) || ((r)->region_magic != REGION_MAGIC))
 191
 192 #define CHECK_ERASEQ(q) \
 193     (((q) == NULL) || ((q)->eraseq_magic != ERASEQ_MAGIC))
 194
 195 #define EVENT(h, e, p) \
 196     ((h)->event_handler((e), (p), &(h)->event_callback_args))
 197
 198 /* In cardbus.c */
 199 int cb_alloc(socket_info_t *s);
 200 void cb_free(socket_info_t *s);
 201 int cb_config(socket_info_t *s);
 202 void cb_release(socket_info_t *s);
 203 void cb_enable(socket_info_t *s);
 204 void cb_disable(socket_info_t *s);
 205 void read_cb_mem(socket_info_t *s, u_char fn, int space,
 206                  u_int addr, u_int len, void *ptr);
 207 void cb_release_cis_mem(socket_info_t *s);
 208
 209 /* In cistpl.c */
 210 void read_cis_mem(socket_info_t *s, int attr,
 211                   u_int addr, u_int len, void *ptr);
 212 void write_cis_mem(socket_info_t *s, int attr,
 213                    u_int addr, u_int len, void *ptr);
 214 void release_cis_mem(socket_info_t *s);
 215 int verify_cis_cache(socket_info_t *s);
 216 void preload_cis_cache(socket_info_t *s);
 217 int get_first_tuple(client_handle_t handle, tuple_t *tuple);
 218 int get_next_tuple(client_handle_t handle, tuple_t *tuple);
 219 int get_tuple_data(client_handle_t handle, tuple_t *tuple);
 220 int parse_tuple(client_handle_t handle, tuple_t *tuple, cisparse_t *parse);
 221 int validate_cis(client_handle_t handle, cisinfo_t *info);
 222 int replace_cis(client_handle_t handle, cisdump_t *cis);
 223 int read_tuple(client_handle_t handle, cisdata_t code, void *parse);
 224
 225 /* In bulkmem.c */
 226 void retry_erase_list(struct erase_busy_t *list, u_int cause);
 227 int get_first_region(client_handle_t handle, region_info_t *rgn);
 228 int get_next_region(client_handle_t handle, region_info_t *rgn);
 229 int register_mtd(client_handle_t handle, mtd_reg_t *reg);
 230 int register_erase_queue(client_handle_t *handle, eraseq_hdr_t *header);
 231 int deregister_erase_queue(eraseq_handle_t eraseq);
 232 int check_erase_queue(eraseq_handle_t eraseq);
 233 int open_memory(client_handle_t *handle, open_mem_t *open);
 234 int close_memory(memory_handle_t handle);
 235 int read_memory(memory_handle_t handle, mem_op_t *req, caddr_t buf);
 236 int write_memory(memory_handle_t handle, mem_op_t *req, caddr_t buf);
 237 int copy_memory(memory_handle_t handle, copy_op_t *req);
 238
 239 /* In rsrc_mgr */
 240 void validate_mem(int (*is_valid)(u_long), int (*do_cksum)(u_long),
 241                   int force_low);
 242 int find_io_region(ioaddr_t *base, ioaddr_t num, ioaddr_t align,
 243                    char *name);
 244 int find_mem_region(u_long *base, u_long num, u_long align,
 245                     int force_low, char *name);
 246 int try_irq(u_int Attributes, int irq, int specific);
 247 void undo_irq(u_int Attributes, int irq);
 248 int adjust_resource_info(client_handle_t handle, adjust_t *adj);
 249 void release_resource_db(void);
 250 int proc_read_io(char *buf, char **start, off_t pos,
 251                  int count, int *eof, void *data);
 252 int proc_read_mem(char *buf, char **start, off_t pos,
 253                   int count, int *eof, void *data);
 254
 255 #define MAX_SOCK 8
 256 extern socket_t sockets;
 257 extern socket_info_t *socket_table[MAX_SOCK];
 258
 259 #ifdef CONFIG_PROC_FS
 260 extern struct proc_dir_entry *proc_pccard;
 261 #endif
 262
 263 #ifdef PCMCIA_DEBUG
 264 extern int pc_debug;
 265 #define DEBUG(n, args...) do { if (pc_debug>(n)) printk(KERN_DEBUG args); } while (0)
 266 #else
 267 #define DEBUG(n, args...) do { } while (0)
 268 #endif
 269
 270 #endif /* _LINUX_CS_INTERNAL_H */