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   1 /*
   2  * Linux Plug and Play Support
   3  * Copyright by Adam Belay <ambx1@neo.rr.com>
   4  *
   5  */
   6
   7 #ifndef _LINUX_PNP_H
   8 #define _LINUX_PNP_H
   9
  10 #ifdef __KERNEL__
  11
  12 #include <linux/device.h>
  13 #include <linux/list.h>
  14 #include <linux/errno.h>
  15 #include <linux/mod_devicetable.h>
  16
  17 #define PNP_MAX_PORT            8
  18 #define PNP_MAX_MEM             4
  19 #define PNP_MAX_IRQ             2
  20 #define PNP_MAX_DMA             2
  21 #define PNP_NAME_LEN            50
  22
  23 struct pnp_protocol;
  24 struct pnp_dev;
  25
  26 /*
  27  * Resource Management
  28  */
  29
  30 /* Use these instead of directly reading pnp_dev to get resource information */
  31 #define pnp_port_start(dev,bar)   ((dev)->res.port_resource[(bar)].start)
  32 #define pnp_port_end(dev,bar)     ((dev)->res.port_resource[(bar)].end)
  33 #define pnp_port_flags(dev,bar)   ((dev)->res.port_resource[(bar)].flags)
  34 #define pnp_port_valid(dev,bar) \
  35         ((pnp_port_flags((dev),(bar)) & (IORESOURCE_IO | IORESOURCE_UNSET)) \
  36                 == IORESOURCE_IO)
  37 #define pnp_port_len(dev,bar) \
  38         ((pnp_port_start((dev),(bar)) == 0 &&   \
  39           pnp_port_end((dev),(bar)) ==          \
  40           pnp_port_start((dev),(bar))) ? 0 :    \
  41                                                 \
  42          (pnp_port_end((dev),(bar)) -           \
  43           pnp_port_start((dev),(bar)) + 1))
  44
  45 #define pnp_mem_start(dev,bar)   ((dev)->res.mem_resource[(bar)].start)
  46 #define pnp_mem_end(dev,bar)     ((dev)->res.mem_resource[(bar)].end)
  47 #define pnp_mem_flags(dev,bar)   ((dev)->res.mem_resource[(bar)].flags)
  48 #define pnp_mem_valid(dev,bar) \
  49         ((pnp_mem_flags((dev),(bar)) & (IORESOURCE_MEM | IORESOURCE_UNSET)) \
  50                 == IORESOURCE_MEM)
  51 #define pnp_mem_len(dev,bar) \
  52         ((pnp_mem_start((dev),(bar)) == 0 &&    \
  53           pnp_mem_end((dev),(bar)) ==           \
  54           pnp_mem_start((dev),(bar))) ? 0 :     \
  55                                                 \
  56          (pnp_mem_end((dev),(bar)) -            \
  57           pnp_mem_start((dev),(bar)) + 1))
  58
  59 #define pnp_irq(dev,bar)         ((dev)->res.irq_resource[(bar)].start)
  60 #define pnp_irq_flags(dev,bar)   ((dev)->res.irq_resource[(bar)].flags)
  61 #define pnp_irq_valid(dev,bar) \
  62         ((pnp_irq_flags((dev),(bar)) & (IORESOURCE_IRQ | IORESOURCE_UNSET)) \
  63                 == IORESOURCE_IRQ)
  64
  65 #define pnp_dma(dev,bar)         ((dev)->res.dma_resource[(bar)].start)
  66 #define pnp_dma_flags(dev,bar)   ((dev)->res.dma_resource[(bar)].flags)
  67 #define pnp_dma_valid(dev,bar) \
  68         ((pnp_dma_flags((dev),(bar)) & (IORESOURCE_DMA | IORESOURCE_UNSET)) \
  69                 == IORESOURCE_DMA)
  70
  71 #define PNP_PORT_FLAG_16BITADDR (1<<0)
  72 #define PNP_PORT_FLAG_FIXED     (1<<1)
  73
  74 struct pnp_port {
  75         unsigned short min;     /* min base number */
  76         unsigned short max;     /* max base number */
  77         unsigned char align;    /* align boundary */
  78         unsigned char size;     /* size of range */
  79         unsigned char flags;    /* port flags */
  80         unsigned char pad;      /* pad */
  81         struct pnp_port *next;  /* next port */
  82 };
  83
  84 #define PNP_IRQ_NR 256
  85 struct pnp_irq {
  86         DECLARE_BITMAP(map, PNP_IRQ_NR);        /* bitmaks for IRQ lines */
  87         unsigned char flags;    /* IRQ flags */
  88         unsigned char pad;      /* pad */
  89         struct pnp_irq *next;   /* next IRQ */
  90 };
  91
  92 struct pnp_dma {
  93         unsigned char map;      /* bitmask for DMA channels */
  94         unsigned char flags;    /* DMA flags */
  95         struct pnp_dma *next;   /* next port */
  96 };
  97
  98 struct pnp_mem {
  99         unsigned int min;       /* min base number */
 100         unsigned int max;       /* max base number */
 101         unsigned int align;     /* align boundary */
 102         unsigned int size;      /* size of range */
 103         unsigned char flags;    /* memory flags */
 104         unsigned char pad;      /* pad */
 105         struct pnp_mem *next;   /* next memory resource */
 106 };
 107
 108 #define PNP_RES_PRIORITY_PREFERRED      0
 109 #define PNP_RES_PRIORITY_ACCEPTABLE     1
 110 #define PNP_RES_PRIORITY_FUNCTIONAL     2
 111 #define PNP_RES_PRIORITY_INVALID        65535
 112
 113 struct pnp_option {
 114         unsigned short priority;        /* priority */
 115         struct pnp_port *port;  /* first port */
 116         struct pnp_irq *irq;    /* first IRQ */
 117         struct pnp_dma *dma;    /* first DMA */
 118         struct pnp_mem *mem;    /* first memory resource */
 119         struct pnp_option *next;        /* used to chain dependent resources */
 120 };
 121
 122 struct pnp_resource_table {
 123         struct resource port_resource[PNP_MAX_PORT];
 124         struct resource mem_resource[PNP_MAX_MEM];
 125         struct resource dma_resource[PNP_MAX_DMA];
 126         struct resource irq_resource[PNP_MAX_IRQ];
 127 };
 128
 129 /*
 130  * Device Managemnt
 131  */
 132
 133 struct pnp_card {
 134         struct device dev;      /* Driver Model device interface */
 135         unsigned char number;   /* used as an index, must be unique */
 136         struct list_head global_list;   /* node in global list of cards */
 137         struct list_head protocol_list; /* node in protocol's list of cards */
 138         struct list_head devices;       /* devices attached to the card */
 139
 140         struct pnp_protocol *protocol;
 141         struct pnp_id *id;      /* contains supported EISA IDs */
 142
 143         char name[PNP_NAME_LEN];        /* contains a human-readable name */
 144         unsigned char pnpver;   /* Plug & Play version */
 145         unsigned char productver;       /* product version */
 146         unsigned int serial;    /* serial number */
 147         unsigned char checksum; /* if zero - checksum passed */
 148         struct proc_dir_entry *procdir; /* directory entry in /proc/bus/isapnp */
 149 };
 150
 151 #define global_to_pnp_card(n) list_entry(n, struct pnp_card, global_list)
 152 #define protocol_to_pnp_card(n) list_entry(n, struct pnp_card, protocol_list)
 153 #define to_pnp_card(n) container_of(n, struct pnp_card, dev)
 154 #define pnp_for_each_card(card) \
 155         for((card) = global_to_pnp_card(pnp_cards.next); \
 156         (card) != global_to_pnp_card(&pnp_cards); \
 157         (card) = global_to_pnp_card((card)->global_list.next))
 158
 159 struct pnp_card_link {
 160         struct pnp_card *card;
 161         struct pnp_card_driver *driver;
 162         void *driver_data;
 163         pm_message_t pm_state;
 164 };
 165
 166 static inline void *pnp_get_card_drvdata(struct pnp_card_link *pcard)
 167 {
 168         return pcard->driver_data;
 169 }
 170
 171 static inline void pnp_set_card_drvdata(struct pnp_card_link *pcard, void *data)
 172 {
 173         pcard->driver_data = data;
 174 }
 175
 176 struct pnp_dev {
 177         struct device dev;      /* Driver Model device interface */
 178         u64 dma_mask;
 179         unsigned char number;   /* used as an index, must be unique */
 180         int status;
 181
 182         struct list_head global_list;   /* node in global list of devices */
 183         struct list_head protocol_list; /* node in list of device's protocol */
 184         struct list_head card_list;     /* node in card's list of devices */
 185         struct list_head rdev_list;     /* node in cards list of requested devices */
 186
 187         struct pnp_protocol *protocol;
 188         struct pnp_card *card;  /* card the device is attached to, none if NULL */
 189         struct pnp_driver *driver;
 190         struct pnp_card_link *card_link;
 191
 192         struct pnp_id *id;      /* supported EISA IDs */
 193
 194         int active;
 195         int capabilities;
 196         struct pnp_option *independent;
 197         struct pnp_option *dependent;
 198         struct pnp_resource_table res;
 199
 200         char name[PNP_NAME_LEN];        /* contains a human-readable name */
 201         unsigned short regs;    /* ISAPnP: supported registers */
 202         int flags;              /* used by protocols */
 203         struct proc_dir_entry *procent; /* device entry in /proc/bus/isapnp */
 204         void *data;
 205 };
 206
 207 #define global_to_pnp_dev(n) list_entry(n, struct pnp_dev, global_list)
 208 #define card_to_pnp_dev(n) list_entry(n, struct pnp_dev, card_list)
 209 #define protocol_to_pnp_dev(n) list_entry(n, struct pnp_dev, protocol_list)
 210 #define to_pnp_dev(n) container_of(n, struct pnp_dev, dev)
 211 #define pnp_for_each_dev(dev) \
 212         for((dev) = global_to_pnp_dev(pnp_global.next); \
 213         (dev) != global_to_pnp_dev(&pnp_global); \
 214         (dev) = global_to_pnp_dev((dev)->global_list.next))
 215 #define card_for_each_dev(card,dev) \
 216         for((dev) = card_to_pnp_dev((card)->devices.next); \
 217         (dev) != card_to_pnp_dev(&(card)->devices); \
 218         (dev) = card_to_pnp_dev((dev)->card_list.next))
 219 #define pnp_dev_name(dev) (dev)->name
 220
 221 static inline void *pnp_get_drvdata(struct pnp_dev *pdev)
 222 {
 223         return dev_get_drvdata(&pdev->dev);
 224 }
 225
 226 static inline void pnp_set_drvdata(struct pnp_dev *pdev, void *data)
 227 {
 228         dev_set_drvdata(&pdev->dev, data);
 229 }
 230
 231 struct pnp_fixup {
 232         char id[7];
 233         void (*quirk_function) (struct pnp_dev * dev);  /* fixup function */
 234 };
 235
 236 /* config parameters */
 237 #define PNP_CONFIG_NORMAL       0x0001
 238 #define PNP_CONFIG_FORCE        0x0002  /* disables validity checking */
 239
 240 /* capabilities */
 241 #define PNP_READ                0x0001
 242 #define PNP_WRITE               0x0002
 243 #define PNP_DISABLE             0x0004
 244 #define PNP_CONFIGURABLE        0x0008
 245 #define PNP_REMOVABLE           0x0010
 246
 247 #define pnp_can_read(dev)       (((dev)->protocol) && ((dev)->protocol->get) && \
 248                                  ((dev)->capabilities & PNP_READ))
 249 #define pnp_can_write(dev)      (((dev)->protocol) && ((dev)->protocol->set) && \
 250                                  ((dev)->capabilities & PNP_WRITE))
 251 #define pnp_can_disable(dev)    (((dev)->protocol) && ((dev)->protocol->disable) && \
 252                                  ((dev)->capabilities & PNP_DISABLE))
 253 #define pnp_can_configure(dev)  ((!(dev)->active) && \
 254                                  ((dev)->capabilities & PNP_CONFIGURABLE))
 255
 256 #ifdef CONFIG_ISAPNP
 257 extern struct pnp_protocol isapnp_protocol;
 258 #define pnp_device_is_isapnp(dev) ((dev)->protocol == (&isapnp_protocol))
 259 #else
 260 #define pnp_device_is_isapnp(dev) 0
 261 #endif
 262
 263 #ifdef CONFIG_PNPBIOS
 264 extern struct pnp_protocol pnpbios_protocol;
 265 #define pnp_device_is_pnpbios(dev) ((dev)->protocol == (&pnpbios_protocol))
 266 #else
 267 #define pnp_device_is_pnpbios(dev) 0
 268 #endif
 269
 270 /* status */
 271 #define PNP_READY               0x0000
 272 #define PNP_ATTACHED            0x0001
 273 #define PNP_BUSY                0x0002
 274 #define PNP_FAULTY              0x0004
 275
 276 /* isapnp specific macros */
 277
 278 #define isapnp_card_number(dev) ((dev)->card ? (dev)->card->number : -1)
 279 #define isapnp_csn_number(dev)  ((dev)->number)
 280
 281 /*
 282  * Driver Management
 283  */
 284
 285 struct pnp_id {
 286         char id[PNP_ID_LEN];
 287         struct pnp_id *next;
 288 };
 289
 290 struct pnp_driver {
 291         char *name;
 292         const struct pnp_device_id *id_table;
 293         unsigned int flags;
 294         int (*probe) (struct pnp_dev * dev,
 295                       const struct pnp_device_id * dev_id);
 296         void (*remove) (struct pnp_dev * dev);
 297         int (*suspend) (struct pnp_dev * dev, pm_message_t state);
 298         int (*resume) (struct pnp_dev * dev);
 299         struct device_driver driver;
 300 };
 301
 302 #define to_pnp_driver(drv) container_of(drv, struct pnp_driver, driver)
 303
 304 struct pnp_card_driver {
 305         struct list_head global_list;
 306         char *name;
 307         const struct pnp_card_device_id *id_table;
 308         unsigned int flags;
 309         int (*probe) (struct pnp_card_link * card,
 310                       const struct pnp_card_device_id * card_id);
 311         void (*remove) (struct pnp_card_link * card);
 312         int (*suspend) (struct pnp_card_link * card, pm_message_t state);
 313         int (*resume) (struct pnp_card_link * card);
 314         struct pnp_driver link;
 315 };
 316
 317 #define to_pnp_card_driver(drv) container_of(drv, struct pnp_card_driver, link)
 318
 319 /* pnp driver flags */
 320 #define PNP_DRIVER_RES_DO_NOT_CHANGE    0x0001  /* do not change the state of the device */
 321 #define PNP_DRIVER_RES_DISABLE          0x0003  /* ensure the device is disabled */
 322
 323 /*
 324  * Protocol Management
 325  */
 326
 327 struct pnp_protocol {
 328         struct list_head protocol_list;
 329         char *name;
 330
 331         /* resource control functions */
 332         int (*get) (struct pnp_dev * dev, struct pnp_resource_table * res);
 333         int (*set) (struct pnp_dev * dev, struct pnp_resource_table * res);
 334         int (*disable) (struct pnp_dev * dev);
 335
 336         /* protocol specific suspend/resume */
 337         int (*suspend) (struct pnp_dev * dev, pm_message_t state);
 338         int (*resume) (struct pnp_dev * dev);
 339
 340         /* used by pnp layer only (look but don't touch) */
 341         unsigned char number;   /* protocol number */
 342         struct device dev;      /* link to driver model */
 343         struct list_head cards;
 344         struct list_head devices;
 345 };
 346
 347 #define to_pnp_protocol(n) list_entry(n, struct pnp_protocol, protocol_list)
 348 #define protocol_for_each_card(protocol,card) \
 349         for((card) = protocol_to_pnp_card((protocol)->cards.next); \
 350         (card) != protocol_to_pnp_card(&(protocol)->cards); \
 351         (card) = protocol_to_pnp_card((card)->protocol_list.next))
 352 #define protocol_for_each_dev(protocol,dev) \
 353         for((dev) = protocol_to_pnp_dev((protocol)->devices.next); \
 354         (dev) != protocol_to_pnp_dev(&(protocol)->devices); \
 355         (dev) = protocol_to_pnp_dev((dev)->protocol_list.next))
 356
 357 extern struct bus_type pnp_bus_type;
 358
 359 #if defined(CONFIG_PNP)
 360
 361 /* device management */
 362 int pnp_register_protocol(struct pnp_protocol *protocol);
 363 void pnp_unregister_protocol(struct pnp_protocol *protocol);
 364 int pnp_add_device(struct pnp_dev *dev);
 365 int pnp_device_attach(struct pnp_dev *pnp_dev);
 366 void pnp_device_detach(struct pnp_dev *pnp_dev);
 367 extern struct list_head pnp_global;
 368 extern int pnp_platform_devices;
 369
 370 /* multidevice card support */
 371 int pnp_add_card(struct pnp_card *card);
 372 void pnp_remove_card(struct pnp_card *card);
 373 int pnp_add_card_device(struct pnp_card *card, struct pnp_dev *dev);
 374 void pnp_remove_card_device(struct pnp_dev *dev);
 375 int pnp_add_card_id(struct pnp_id *id, struct pnp_card *card);
 376 struct pnp_dev *pnp_request_card_device(struct pnp_card_link *clink,
 377                                         const char *id, struct pnp_dev *from);
 378 void pnp_release_card_device(struct pnp_dev *dev);
 379 int pnp_register_card_driver(struct pnp_card_driver *drv);
 380 void pnp_unregister_card_driver(struct pnp_card_driver *drv);
 381 extern struct list_head pnp_cards;
 382
 383 /* resource management */
 384 struct pnp_option *pnp_register_independent_option(struct pnp_dev *dev);
 385 struct pnp_option *pnp_register_dependent_option(struct pnp_dev *dev,
 386                                                  int priority);
 387 int pnp_register_irq_resource(struct pnp_option *option, struct pnp_irq *data);
 388 int pnp_register_dma_resource(struct pnp_option *option, struct pnp_dma *data);
 389 int pnp_register_port_resource(struct pnp_option *option,
 390                                struct pnp_port *data);
 391 int pnp_register_mem_resource(struct pnp_option *option, struct pnp_mem *data);
 392 void pnp_init_resource_table(struct pnp_resource_table *table);
 393 int pnp_manual_config_dev(struct pnp_dev *dev, struct pnp_resource_table *res,
 394                           int mode);
 395 int pnp_auto_config_dev(struct pnp_dev *dev);
 396 int pnp_validate_config(struct pnp_dev *dev);
 397 int pnp_start_dev(struct pnp_dev *dev);
 398 int pnp_stop_dev(struct pnp_dev *dev);
 399 int pnp_activate_dev(struct pnp_dev *dev);
 400 int pnp_disable_dev(struct pnp_dev *dev);
 401 void pnp_resource_change(struct resource *resource, resource_size_t start,
 402                          resource_size_t size);
 403
 404 /* protocol helpers */
 405 int pnp_is_active(struct pnp_dev *dev);
 406 int compare_pnp_id(struct pnp_id *pos, const char *id);
 407 int pnp_add_id(struct pnp_id *id, struct pnp_dev *dev);
 408 int pnp_register_driver(struct pnp_driver *drv);
 409 void pnp_unregister_driver(struct pnp_driver *drv);
 410
 411 #else
 412
 413 /* device management */
 414 static inline int pnp_register_protocol(struct pnp_protocol *protocol)
 415 {
 416         return -ENODEV;
 417 }
 418 static inline void pnp_unregister_protocol(struct pnp_protocol *protocol)
 419 {
 420 }
 421 static inline int pnp_init_device(struct pnp_dev *dev)
 422 {
 423         return -ENODEV;
 424 }
 425 static inline int pnp_add_device(struct pnp_dev *dev)
 426 {
 427         return -ENODEV;
 428 }
 429 static inline int pnp_device_attach(struct pnp_dev *pnp_dev)
 430 {
 431         return -ENODEV;
 432 }
 433 static inline void pnp_device_detach(struct pnp_dev *pnp_dev)
 434 {;
 435 }
 436
 437 #define pnp_platform_devices 0
 438
 439 /* multidevice card support */
 440 static inline int pnp_add_card(struct pnp_card *card)
 441 {
 442         return -ENODEV;
 443 }
 444 static inline void pnp_remove_card(struct pnp_card *card)
 445 {;
 446 }
 447 static inline int pnp_add_card_device(struct pnp_card *card,
 448                                       struct pnp_dev *dev)
 449 {
 450         return -ENODEV;
 451 }
 452 static inline void pnp_remove_card_device(struct pnp_dev *dev)
 453 {;
 454 }
 455 static inline int pnp_add_card_id(struct pnp_id *id, struct pnp_card *card)
 456 {
 457         return -ENODEV;
 458 }
 459 static inline struct pnp_dev *pnp_request_card_device(struct pnp_card_link
 460                                                       *clink, const char *id,
 461                                                       struct pnp_dev *from)
 462 {
 463         return NULL;
 464 }
 465 static inline void pnp_release_card_device(struct pnp_dev *dev)
 466 {;
 467 }
 468 static inline int pnp_register_card_driver(struct pnp_card_driver *drv)
 469 {
 470         return -ENODEV;
 471 }
 472 static inline void pnp_unregister_card_driver(struct pnp_card_driver *drv)
 473 {;
 474 }
 475
 476 /* resource management */
 477 static inline struct pnp_option *pnp_register_independent_option(struct pnp_dev
 478                                                                  *dev)
 479 {
 480         return NULL;
 481 }
 482 static inline struct pnp_option *pnp_register_dependent_option(struct pnp_dev
 483                                                                *dev,
 484                                                                int priority)
 485 {
 486         return NULL;
 487 }
 488 static inline int pnp_register_irq_resource(struct pnp_option *option,
 489                                             struct pnp_irq *data)
 490 {
 491         return -ENODEV;
 492 }
 493 static inline int pnp_register_dma_resource(struct pnp_option *option,
 494                                             struct pnp_dma *data)
 495 {
 496         return -ENODEV;
 497 }
 498 static inline int pnp_register_port_resource(struct pnp_option *option,
 499                                              struct pnp_port *data)
 500 {
 501         return -ENODEV;
 502 }
 503 static inline int pnp_register_mem_resource(struct pnp_option *option,
 504                                             struct pnp_mem *data)
 505 {
 506         return -ENODEV;
 507 }
 508 static inline void pnp_init_resource_table(struct pnp_resource_table *table)
 509 {
 510 }
 511 static inline int pnp_manual_config_dev(struct pnp_dev *dev,
 512                                         struct pnp_resource_table *res,
 513                                         int mode)
 514 {
 515         return -ENODEV;
 516 }
 517 static inline int pnp_auto_config_dev(struct pnp_dev *dev)
 518 {
 519         return -ENODEV;
 520 }
 521 static inline int pnp_validate_config(struct pnp_dev *dev)
 522 {
 523         return -ENODEV;
 524 }
 525 static inline int pnp_start_dev(struct pnp_dev *dev)
 526 {
 527         return -ENODEV;
 528 }
 529 static inline int pnp_stop_dev(struct pnp_dev *dev)
 530 {
 531         return -ENODEV;
 532 }
 533 static inline int pnp_activate_dev(struct pnp_dev *dev)
 534 {
 535         return -ENODEV;
 536 }
 537 static inline int pnp_disable_dev(struct pnp_dev *dev)
 538 {
 539         return -ENODEV;
 540 }
 541 static inline void pnp_resource_change(struct resource *resource,
 542                                        resource_size_t start,
 543                                        resource_size_t size)
 544 {
 545 }
 546
 547 /* protocol helpers */
 548 static inline int pnp_is_active(struct pnp_dev *dev)
 549 {
 550         return 0;
 551 }
 552 static inline int compare_pnp_id(struct pnp_id *pos, const char *id)
 553 {
 554         return -ENODEV;
 555 }
 556 static inline int pnp_add_id(struct pnp_id *id, struct pnp_dev *dev)
 557 {
 558         return -ENODEV;
 559 }
 560 static inline int pnp_register_driver(struct pnp_driver *drv)
 561 {
 562         return -ENODEV;
 563 }
 564 static inline void pnp_unregister_driver(struct pnp_driver *drv)
 565 {;
 566 }
 567
 568 #endif /* CONFIG_PNP */
 569
 570 #define pnp_err(format, arg...) printk(KERN_ERR "pnp: " format "\n" , ## arg)
 571 #define pnp_info(format, arg...) printk(KERN_INFO "pnp: " format "\n" , ## arg)
 572 #define pnp_warn(format, arg...) printk(KERN_WARNING "pnp: " format "\n" , ## arg)
 573
 574 #ifdef CONFIG_PNP_DEBUG
 575 #define pnp_dbg(format, arg...) printk(KERN_DEBUG "pnp: " format "\n" , ## arg)
 576 #else
 577 #define pnp_dbg(format, arg...) do {} while (0)
 578 #endif
 579
 580 #endif /* __KERNEL__ */
 581
 582 #endif /* _LINUX_PNP_H */