include/pcmcia/ds.h

   1 /*
   2  * ds.h -- 16-bit PCMCIA core support
   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 - 2008      Dominik Brodowski
  14  */
  15
  16 #ifndef _LINUX_DS_H
  17 #define _LINUX_DS_H
  18
  19 #ifdef __KERNEL__
  20 #include <linux/mod_devicetable.h>
  21 #endif
  22
  23 #include <pcmcia/cs_types.h>
  24 #include <pcmcia/device_id.h>
  25
  26 #ifdef __KERNEL__
  27 #include <linux/device.h>
  28 #include <pcmcia/ss.h>
  29 #include <asm/atomic.h>
  30
  31 /*
  32  * PCMCIA device drivers (16-bit cards only; 32-bit cards require CardBus
  33  * a.k.a. PCI drivers
  34  */
  35 struct pcmcia_socket;
  36 struct pcmcia_device;
  37 struct config_t;
  38 struct net_device;
  39
  40 /* dynamic device IDs for PCMCIA device drivers. See
  41  * Documentation/pcmcia/driver.txt for details.
  42 */
  43 struct pcmcia_dynids {
  44         struct mutex            lock;
  45         struct list_head        list;
  46 };
  47
  48 struct pcmcia_driver {
  49         int (*probe)            (struct pcmcia_device *dev);
  50         void (*remove)          (struct pcmcia_device *dev);
  51
  52         int (*suspend)          (struct pcmcia_device *dev);
  53         int (*resume)           (struct pcmcia_device *dev);
  54
  55         struct module           *owner;
  56         struct pcmcia_device_id *id_table;
  57         struct device_driver    drv;
  58         struct pcmcia_dynids    dynids;
  59 };
  60
  61 /* driver registration */
  62 int pcmcia_register_driver(struct pcmcia_driver *driver);
  63 void pcmcia_unregister_driver(struct pcmcia_driver *driver);
  64
  65 /* Some drivers use dev_node_t to store char or block device information.
  66  * Don't use this in new drivers, though.
  67  */
  68 typedef struct dev_node_t {
  69         char                    dev_name[DEV_NAME_LEN];
  70         u_short                 major, minor;
  71         struct dev_node_t       *next;
  72 } dev_node_t;
  73
  74 struct pcmcia_device {
  75         /* the socket and the device_no [for multifunction devices]
  76            uniquely define a pcmcia_device */
  77         struct pcmcia_socket    *socket;
  78
  79         char                    *devname;
  80
  81         u8                      device_no;
  82
  83         /* the hardware "function" device; certain subdevices can
  84          * share one hardware "function" device. */
  85         u8                      func;
  86         struct config_t         *function_config;
  87
  88         struct list_head        socket_device_list;
  89
  90         /* deprecated, will be cleaned up soon */
  91         dev_node_t              *dev_node;
  92         u_int                   open;
  93         io_req_t                io;
  94         irq_req_t               irq;
  95         config_req_t            conf;
  96         window_handle_t         win;
  97
  98         /* Is the device suspended? */
  99         u16                     suspended:1;
 100
 101         /* Flags whether io, irq, win configurations were
 102          * requested, and whether the configuration is "locked" */
 103         u16                     _irq:1;
 104         u16                     _io:1;
 105         u16                     _win:4;
 106         u16                     _locked:1;
 107
 108         /* Flag whether a "fuzzy" func_id based match is
 109          * allowed. */
 110         u16                     allow_func_id_match:1;
 111
 112         /* information about this device */
 113         u16                     has_manf_id:1;
 114         u16                     has_card_id:1;
 115         u16                     has_func_id:1;
 116
 117         u16                     reserved:4;
 118
 119         u8                      func_id;
 120         u16                     manf_id;
 121         u16                     card_id;
 122
 123         char                    *prod_id[4];
 124
 125         u64                     dma_mask;
 126         struct device           dev;
 127
 128 #ifdef CONFIG_PCMCIA_IOCTL
 129         /* device driver wanted by cardmgr */
 130         struct pcmcia_driver    *cardmgr;
 131 #endif
 132
 133         /* data private to drivers */
 134         void                    *priv;
 135 };
 136
 137 #define to_pcmcia_dev(n) container_of(n, struct pcmcia_device, dev)
 138 #define to_pcmcia_drv(n) container_of(n, struct pcmcia_driver, drv)
 139
 140
 141 /*
 142  * CIS access.
 143  *
 144  * Please use the following functions to access CIS tuples:
 145  * - pcmcia_get_tuple()
 146  * - pcmcia_loop_tuple()
 147  * - pcmcia_get_mac_from_cis()
 148  *
 149  * To parse a tuple_t, pcmcia_parse_tuple() exists. Its interface
 150  * might change in future.
 151  */
 152
 153 /* get the very first CIS entry of type @code. Note that buf is pointer
 154  * to u8 *buf; and that you need to kfree(buf) afterwards. */
 155 size_t pcmcia_get_tuple(struct pcmcia_device *p_dev, cisdata_t code,
 156                         u8 **buf);
 157
 158 /* loop over CIS entries */
 159 int pcmcia_loop_tuple(struct pcmcia_device *p_dev, cisdata_t code,
 160                       int (*loop_tuple) (struct pcmcia_device *p_dev,
 161                                          tuple_t *tuple,
 162                                          void *priv_data),
 163                       void *priv_data);
 164
 165 /* get the MAC address from CISTPL_FUNCE */
 166 int pcmcia_get_mac_from_cis(struct pcmcia_device *p_dev,
 167                             struct net_device *dev);
 168
 169
 170 /* parse a tuple_t */
 171 int pcmcia_parse_tuple(tuple_t *tuple, cisparse_t *parse);
 172
 173 /* loop CIS entries for valid configuration */
 174 int pcmcia_loop_config(struct pcmcia_device *p_dev,
 175                        int      (*conf_check)   (struct pcmcia_device *p_dev,
 176                                                  cistpl_cftable_entry_t *cf,
 177                                                  cistpl_cftable_entry_t *dflt,
 178                                                  unsigned int vcc,
 179                                                  void *priv_data),
 180                        void *priv_data);
 181
 182 /* is the device still there? */
 183 struct pcmcia_device *pcmcia_dev_present(struct pcmcia_device *p_dev);
 184
 185 /* low-level interface reset */
 186 int pcmcia_reset_card(struct pcmcia_socket *skt);
 187
 188 /* CIS config */
 189 int pcmcia_access_configuration_register(struct pcmcia_device *p_dev,
 190                                          conf_reg_t *reg);
 191
 192 /* device configuration */
 193 int pcmcia_request_io(struct pcmcia_device *p_dev, io_req_t *req);
 194 int pcmcia_request_irq(struct pcmcia_device *p_dev, irq_req_t *req);
 195 int pcmcia_request_configuration(struct pcmcia_device *p_dev,
 196                                  config_req_t *req);
 197
 198 int pcmcia_request_window(struct pcmcia_device *p_dev, win_req_t *req,
 199                           window_handle_t *wh);
 200 int pcmcia_release_window(struct pcmcia_device *p_dev, window_handle_t win);
 201 int pcmcia_map_mem_page(struct pcmcia_device *p_dev, window_handle_t win,
 202                         memreq_t *req);
 203
 204 int pcmcia_modify_configuration(struct pcmcia_device *p_dev, modconf_t *mod);
 205 void pcmcia_disable_device(struct pcmcia_device *p_dev);
 206
 207 #endif /* __KERNEL__ */
 208
 209
 210
 211 /* Below, there are only definitions which are used by
 212  * - the PCMCIA ioctl
 213  * - deprecated PCMCIA userspace tools only
 214  *
 215  * here be dragons ... here be dragons ... here be dragons ... here be drag
 216  */
 217
 218 #if defined(CONFIG_PCMCIA_IOCTL) || !defined(__KERNEL__)
 219
 220 #if defined(__arm__) || defined(__mips__) || defined(__avr32__) || \
 221         defined(__bfin__)
 222 /* This (ioaddr_t) is exposed to userspace & hence cannot be changed. */
 223 typedef u_int   ioaddr_t;
 224 #else
 225 typedef u_short ioaddr_t;
 226 #endif
 227
 228 /* for AdjustResourceInfo */
 229 typedef struct adjust_t {
 230         u_int                   Action;
 231         u_int                   Resource;
 232         u_int                   Attributes;
 233         union {
 234                 struct memory {
 235                         u_long          Base;
 236                         u_long          Size;
 237                 } memory;
 238                 struct io {
 239                         ioaddr_t        BasePort;
 240                         ioaddr_t        NumPorts;
 241                         u_int           IOAddrLines;
 242                 } io;
 243                 struct irq {
 244                         u_int           IRQ;
 245                 } irq;
 246         } resource;
 247 } adjust_t;
 248
 249 /* Action field */
 250 #define REMOVE_MANAGED_RESOURCE         1
 251 #define ADD_MANAGED_RESOURCE            2
 252 #define GET_FIRST_MANAGED_RESOURCE      3
 253 #define GET_NEXT_MANAGED_RESOURCE       4
 254 /* Resource field */
 255 #define RES_MEMORY_RANGE                1
 256 #define RES_IO_RANGE                    2
 257 #define RES_IRQ                         3
 258 /* Attribute field */
 259 #define RES_IRQ_TYPE                    0x03
 260 #define RES_IRQ_TYPE_EXCLUSIVE          0
 261 #define RES_IRQ_TYPE_TIME               1
 262 #define RES_IRQ_TYPE_DYNAMIC            2
 263 #define RES_IRQ_CSC                     0x04
 264 #define RES_SHARED                      0x08
 265 #define RES_RESERVED                    0x10
 266 #define RES_ALLOCATED                   0x20
 267 #define RES_REMOVED                     0x40
 268
 269
 270 typedef struct tuple_parse_t {
 271         tuple_t                 tuple;
 272         cisdata_t               data[255];
 273         cisparse_t              parse;
 274 } tuple_parse_t;
 275
 276 typedef struct win_info_t {
 277         window_handle_t         handle;
 278         win_req_t               window;
 279         memreq_t                map;
 280 } win_info_t;
 281
 282 typedef struct bind_info_t {
 283         dev_info_t              dev_info;
 284         u_char                  function;
 285         struct pcmcia_device    *instance;
 286         char                    name[DEV_NAME_LEN];
 287         u_short                 major, minor;
 288         void                    *next;
 289 } bind_info_t;
 290
 291 typedef struct mtd_info_t {
 292         dev_info_t              dev_info;
 293         u_int                   Attributes;
 294         u_int                   CardOffset;
 295 } mtd_info_t;
 296
 297 typedef struct region_info_t {
 298         u_int                   Attributes;
 299         u_int                   CardOffset;
 300         u_int                   RegionSize;
 301         u_int                   AccessSpeed;
 302         u_int                   BlockSize;
 303         u_int                   PartMultiple;
 304         u_char                  JedecMfr, JedecInfo;
 305         memory_handle_t         next;
 306 } region_info_t;
 307
 308 #define REGION_TYPE             0x0001
 309 #define REGION_TYPE_CM          0x0000
 310 #define REGION_TYPE_AM          0x0001
 311 #define REGION_PREFETCH         0x0008
 312 #define REGION_CACHEABLE        0x0010
 313 #define REGION_BAR_MASK         0xe000
 314 #define REGION_BAR_SHIFT        13
 315
 316 /* For ReplaceCIS */
 317 typedef struct cisdump_t {
 318         u_int                   Length;
 319         cisdata_t               Data[CISTPL_MAX_CIS_SIZE];
 320 } cisdump_t;
 321
 322 /* for GetConfigurationInfo */
 323 typedef struct config_info_t {
 324         u_char                  Function;
 325         u_int                   Attributes;
 326         u_int                   Vcc, Vpp1, Vpp2;
 327         u_int                   IntType;
 328         u_int                   ConfigBase;
 329         u_char                  Status, Pin, Copy, Option, ExtStatus;
 330         u_int                   Present;
 331         u_int                   CardValues;
 332         u_int                   AssignedIRQ;
 333         u_int                   IRQAttributes;
 334         ioaddr_t                BasePort1;
 335         ioaddr_t                NumPorts1;
 336         u_int                   Attributes1;
 337         ioaddr_t                BasePort2;
 338         ioaddr_t                NumPorts2;
 339         u_int                   Attributes2;
 340         u_int                   IOAddrLines;
 341 } config_info_t;
 342
 343 /* For ValidateCIS */
 344 typedef struct cisinfo_t {
 345         u_int                   Chains;
 346 } cisinfo_t;
 347
 348 typedef struct cs_status_t {
 349         u_char                  Function;
 350         event_t                 CardState;
 351         event_t                 SocketState;
 352 } cs_status_t;
 353
 354 typedef union ds_ioctl_arg_t {
 355         adjust_t                adjust;
 356         config_info_t           config;
 357         tuple_t                 tuple;
 358         tuple_parse_t           tuple_parse;
 359         client_req_t            client_req;
 360         cs_status_t             status;
 361         conf_reg_t              conf_reg;
 362         cisinfo_t               cisinfo;
 363         region_info_t           region;
 364         bind_info_t             bind_info;
 365         mtd_info_t              mtd_info;
 366         win_info_t              win_info;
 367         cisdump_t               cisdump;
 368 } ds_ioctl_arg_t;
 369
 370 #define DS_ADJUST_RESOURCE_INFO                 _IOWR('d',  2, adjust_t)
 371 #define DS_GET_CONFIGURATION_INFO               _IOWR('d',  3, config_info_t)
 372 #define DS_GET_FIRST_TUPLE                      _IOWR('d',  4, tuple_t)
 373 #define DS_GET_NEXT_TUPLE                       _IOWR('d',  5, tuple_t)
 374 #define DS_GET_TUPLE_DATA                       _IOWR('d',  6, tuple_parse_t)
 375 #define DS_PARSE_TUPLE                          _IOWR('d',  7, tuple_parse_t)
 376 #define DS_RESET_CARD                           _IO  ('d',  8)
 377 #define DS_GET_STATUS                           _IOWR('d',  9, cs_status_t)
 378 #define DS_ACCESS_CONFIGURATION_REGISTER        _IOWR('d', 10, conf_reg_t)
 379 #define DS_VALIDATE_CIS                         _IOR ('d', 11, cisinfo_t)
 380 #define DS_SUSPEND_CARD                         _IO  ('d', 12)
 381 #define DS_RESUME_CARD                          _IO  ('d', 13)
 382 #define DS_EJECT_CARD                           _IO  ('d', 14)
 383 #define DS_INSERT_CARD                          _IO  ('d', 15)
 384 #define DS_GET_FIRST_REGION                     _IOWR('d', 16, region_info_t)
 385 #define DS_GET_NEXT_REGION                      _IOWR('d', 17, region_info_t)
 386 #define DS_REPLACE_CIS                          _IOWR('d', 18, cisdump_t)
 387 #define DS_GET_FIRST_WINDOW                     _IOR ('d', 19, win_info_t)
 388 #define DS_GET_NEXT_WINDOW                      _IOWR('d', 20, win_info_t)
 389 #define DS_GET_MEM_PAGE                         _IOWR('d', 21, win_info_t)
 390
 391 #define DS_BIND_REQUEST                         _IOWR('d', 60, bind_info_t)
 392 #define DS_GET_DEVICE_INFO                      _IOWR('d', 61, bind_info_t)
 393 #define DS_GET_NEXT_DEVICE                      _IOWR('d', 62, bind_info_t)
 394 #define DS_UNBIND_REQUEST                       _IOW ('d', 63, bind_info_t)
 395 #define DS_BIND_MTD                             _IOWR('d', 64, mtd_info_t)
 396
 397
 398 /* used in userspace only */
 399 #define CS_IN_USE                       0x1e
 400
 401 #define INFO_MASTER_CLIENT      0x01
 402 #define INFO_IO_CLIENT          0x02
 403 #define INFO_MTD_CLIENT         0x04
 404 #define INFO_MEM_CLIENT         0x08
 405 #define MAX_NUM_CLIENTS         3
 406
 407 #define INFO_CARD_SHARE         0x10
 408 #define INFO_CARD_EXCL          0x20
 409
 410
 411 #endif /* !defined(__KERNEL__) || defined(CONFIG_PCMCIA_IOCTL) */
 412
 413 #endif /* _LINUX_DS_H */