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