Changes in uspace/drv/isa/isa.c [41b56084:28a3e74] in mainline
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uspace/drv/isa/isa.c
r41b56084 r28a3e74 1 1 /* 2 2 * Copyright (c) 2010 Lenka Trochtova 3 * Copyright (c) 2011 Jiri Svoboda 3 4 * All rights reserved. 4 5 * … … 43 44 #include <stdlib.h> 44 45 #include <str.h> 46 #include <str_error.h> 45 47 #include <ctype.h> 46 48 #include <macros.h> … … 50 52 #include <sys/stat.h> 51 53 52 #include <driver.h> 54 #include <ddf/driver.h> 55 #include <ddf/log.h> 53 56 #include <ops/hw_res.h> 54 57 … … 58 61 59 62 #define NAME "isa" 60 #define CHILD_DEV_CONF_PATH "/drv/isa/isa.dev" 63 #define CHILD_FUN_CONF_PATH "/drv/isa/isa.dev" 64 65 /** Obtain soft-state pointer from function node pointer */ 66 #define ISA_FUN(fnode) ((isa_fun_t *) ((fnode)->driver_data)) 61 67 62 68 #define ISA_MAX_HW_RES 4 63 69 64 typedef struct isa_child_data { 70 typedef struct isa_fun { 71 ddf_fun_t *fnode; 65 72 hw_resource_list_t hw_resources; 66 } isa_child_data_t; 67 68 static hw_resource_list_t *isa_get_child_resources(device_t *dev) 69 { 70 isa_child_data_t *dev_data; 71 72 dev_data = (isa_child_data_t *)dev->driver_data; 73 if (dev_data == NULL) 74 return NULL; 75 76 return &dev_data->hw_resources; 77 } 78 79 static bool isa_enable_child_interrupt(device_t *dev) 80 { 81 // TODO 73 } isa_fun_t; 74 75 static hw_resource_list_t *isa_get_fun_resources(ddf_fun_t *fnode) 76 { 77 isa_fun_t *fun = ISA_FUN(fnode); 78 assert(fun != NULL); 79 80 return &fun->hw_resources; 81 } 82 83 static bool isa_enable_fun_interrupt(ddf_fun_t *fnode) 84 { 85 /* TODO */ 82 86 83 87 return false; 84 88 } 85 89 86 static hw_res_ops_t isa_ child_hw_res_ops = {87 &isa_get_ child_resources,88 &isa_enable_ child_interrupt90 static hw_res_ops_t isa_fun_hw_res_ops = { 91 &isa_get_fun_resources, 92 &isa_enable_fun_interrupt 89 93 }; 90 94 91 static d evice_ops_t isa_child_dev_ops;92 93 static int isa_add_device(d evice_t *dev);95 static ddf_dev_ops_t isa_fun_ops; 96 97 static int isa_add_device(ddf_dev_t *dev); 94 98 95 99 /** The isa device driver's standard operations */ … … 104 108 }; 105 109 106 107 static isa_child_data_t *create_isa_child_data() 108 { 109 isa_child_data_t *data; 110 111 data = (isa_child_data_t *) malloc(sizeof(isa_child_data_t)); 112 if (data != NULL) 113 memset(data, 0, sizeof(isa_child_data_t)); 114 115 return data; 116 } 117 118 static device_t *create_isa_child_dev() 119 { 120 device_t *dev = create_device(); 121 if (dev == NULL) 110 static isa_fun_t *isa_fun_create(ddf_dev_t *dev, const char *name) 111 { 112 isa_fun_t *fun = calloc(1, sizeof(isa_fun_t)); 113 if (fun == NULL) 122 114 return NULL; 123 115 124 isa_child_data_t *data = create_isa_child_data();125 if ( data== NULL) {126 delete_device(dev);116 ddf_fun_t *fnode = ddf_fun_create(dev, fun_inner, name); 117 if (fnode == NULL) { 118 free(fun); 127 119 return NULL; 128 120 } 129 121 130 dev->driver_data = data; 131 return dev; 132 } 133 134 static char *read_dev_conf(const char *conf_path) 122 fun->fnode = fnode; 123 fnode->driver_data = fun; 124 return fun; 125 } 126 127 static char *fun_conf_read(const char *conf_path) 135 128 { 136 129 bool suc = false; … … 142 135 fd = open(conf_path, O_RDONLY); 143 136 if (fd < 0) { 144 printf(NAME ": unable to open %s\n", conf_path);137 ddf_msg(LVL_ERROR, "Unable to open %s", conf_path); 145 138 goto cleanup; 146 139 } … … 149 142 150 143 len = lseek(fd, 0, SEEK_END); 151 lseek(fd, 0, SEEK_SET); 144 lseek(fd, 0, SEEK_SET); 152 145 if (len == 0) { 153 printf(NAME ": read_dev_conf error: configuration file '%s' "154 "is empty.\n",conf_path);146 ddf_msg(LVL_ERROR, "Configuration file '%s' is empty.", 147 conf_path); 155 148 goto cleanup; 156 149 } … … 158 151 buf = malloc(len + 1); 159 152 if (buf == NULL) { 160 printf(NAME ": read_dev_conf error: memory allocation failed.\n");153 ddf_msg(LVL_ERROR, "Memory allocation failed."); 161 154 goto cleanup; 162 155 } 163 156 164 157 if (0 >= read(fd, buf, len)) { 165 printf(NAME ": read_dev_conf error: unable to read file '%s'.\n", 166 conf_path); 158 ddf_msg(LVL_ERROR, "Unable to read file '%s'.", conf_path); 167 159 goto cleanup; 168 160 } … … 249 241 } 250 242 251 static void isa_child_set_irq(device_t *dev, int irq) 252 { 253 isa_child_data_t *data = (isa_child_data_t *)dev->driver_data; 254 255 size_t count = data->hw_resources.count; 256 hw_resource_t *resources = data->hw_resources.resources; 243 static void isa_fun_set_irq(isa_fun_t *fun, int irq) 244 { 245 size_t count = fun->hw_resources.count; 246 hw_resource_t *resources = fun->hw_resources.resources; 257 247 258 248 if (count < ISA_MAX_HW_RES) { … … 260 250 resources[count].res.interrupt.irq = irq; 261 251 262 data->hw_resources.count++; 263 264 printf(NAME ": added irq 0x%x to device %s\n", irq, dev->name); 265 } 266 } 267 268 static void isa_child_set_io_range(device_t *dev, size_t addr, size_t len) 269 { 270 isa_child_data_t *data = (isa_child_data_t *)dev->driver_data; 271 272 size_t count = data->hw_resources.count; 273 hw_resource_t *resources = data->hw_resources.resources; 252 fun->hw_resources.count++; 253 254 ddf_msg(LVL_NOTE, "Added irq 0x%x to function %s", irq, 255 fun->fnode->name); 256 } 257 } 258 259 static void isa_fun_set_io_range(isa_fun_t *fun, size_t addr, size_t len) 260 { 261 size_t count = fun->hw_resources.count; 262 hw_resource_t *resources = fun->hw_resources.resources; 274 263 275 264 if (count < ISA_MAX_HW_RES) { … … 279 268 resources[count].res.io_range.endianness = LITTLE_ENDIAN; 280 269 281 data->hw_resources.count++;282 283 printf(NAME ": added io range (addr=0x%x, size=0x%x) to "284 " device %s\n", (unsigned int) addr, (unsigned int) len,285 dev->name);286 } 287 } 288 289 static void get_dev_irq(device_t *dev, char *val)270 fun->hw_resources.count++; 271 272 ddf_msg(LVL_NOTE, "Added io range (addr=0x%x, size=0x%x) to " 273 "function %s", (unsigned int) addr, (unsigned int) len, 274 fun->fnode->name); 275 } 276 } 277 278 static void fun_parse_irq(isa_fun_t *fun, char *val) 290 279 { 291 280 int irq = 0; 292 281 char *end = NULL; 293 282 294 val = skip_spaces(val); 283 val = skip_spaces(val); 295 284 irq = (int)strtol(val, &end, 0x10); 296 285 297 286 if (val != end) 298 isa_ child_set_irq(dev, irq);299 } 300 301 static void get_dev_io_range(device_t *dev, char *val)287 isa_fun_set_irq(fun, irq); 288 } 289 290 static void fun_parse_io_range(isa_fun_t *fun, char *val) 302 291 { 303 292 size_t addr, len; 304 293 char *end = NULL; 305 294 306 val = skip_spaces(val); 295 val = skip_spaces(val); 307 296 addr = strtol(val, &end, 0x10); 308 297 … … 310 299 return; 311 300 312 val = skip_spaces(end); 301 val = skip_spaces(end); 313 302 len = strtol(val, &end, 0x10); 314 303 … … 316 305 return; 317 306 318 isa_ child_set_io_range(dev, addr, len);307 isa_fun_set_io_range(fun, addr, len); 319 308 } 320 309 … … 331 320 } 332 321 333 static void get_dev_match_id(device_t *dev, char *val)322 static void fun_parse_match_id(isa_fun_t *fun, char *val) 334 323 { 335 324 char *id = NULL; 336 325 int score = 0; 337 326 char *end = NULL; 338 339 val = skip_spaces(val); 327 int rc; 328 329 val = skip_spaces(val); 340 330 341 331 score = (int)strtol(val, &end, 10); 342 332 if (val == end) { 343 printf(NAME " : error - could not read match score for"344 " device %s.\n", dev->name);333 ddf_msg(LVL_ERROR, "Cannot read match score for function " 334 "%s.", fun->fnode->name); 345 335 return; 346 336 } 347 337 348 match_id_t *match_id = create_match_id(); 349 if (match_id == NULL) { 350 printf(NAME " : failed to allocate match id for device %s.\n", 351 dev->name); 352 return; 353 } 354 355 val = skip_spaces(end); 338 val = skip_spaces(end); 356 339 get_match_id(&id, val); 357 340 if (id == NULL) { 358 printf(NAME " : error - could not read match id for " 359 "device %s.\n", dev->name); 360 delete_match_id(match_id); 341 ddf_msg(LVL_ERROR, "Cannot read match ID for function %s.", 342 fun->fnode->name); 361 343 return; 362 344 } 363 345 364 match_id->id = id; 365 match_id->score = score; 366 367 printf(NAME ": adding match id '%s' with score %d to device %s\n", id, 368 score, dev->name); 369 add_match_id(&dev->match_ids, match_id); 370 } 371 372 static bool read_dev_prop(device_t *dev, char *line, const char *prop, 373 void (*read_fn)(device_t *, char *)) 346 ddf_msg(LVL_DEBUG, "Adding match id '%s' with score %d to " 347 "function %s", id, score, fun->fnode->name); 348 349 rc = ddf_fun_add_match_id(fun->fnode, id, score); 350 if (rc != EOK) { 351 ddf_msg(LVL_ERROR, "Failed adding match ID: %s", 352 str_error(rc)); 353 } 354 } 355 356 static bool prop_parse(isa_fun_t *fun, char *line, const char *prop, 357 void (*read_fn)(isa_fun_t *, char *)) 374 358 { 375 359 size_t proplen = str_size(prop); … … 378 362 line += proplen; 379 363 line = skip_spaces(line); 380 (*read_fn)( dev, line);364 (*read_fn)(fun, line); 381 365 382 366 return true; … … 386 370 } 387 371 388 static void get_dev_prop(device_t *dev, char *line)372 static void fun_prop_parse(isa_fun_t *fun, char *line) 389 373 { 390 374 /* Skip leading spaces. */ 391 375 line = skip_spaces(line); 392 376 393 if (!read_dev_prop(dev, line, "io_range", &get_dev_io_range) && 394 !read_dev_prop(dev, line, "irq", &get_dev_irq) && 395 !read_dev_prop(dev, line, "match", &get_dev_match_id)) 396 { 397 printf(NAME " error undefined device property at line '%s'\n", 398 line); 399 } 400 } 401 402 static void child_alloc_hw_res(device_t *dev) 403 { 404 isa_child_data_t *data = (isa_child_data_t *)dev->driver_data; 405 data->hw_resources.resources = 377 if (!prop_parse(fun, line, "io_range", &fun_parse_io_range) && 378 !prop_parse(fun, line, "irq", &fun_parse_irq) && 379 !prop_parse(fun, line, "match", &fun_parse_match_id)) { 380 381 ddf_msg(LVL_ERROR, "Undefined device property at line '%s'", 382 line); 383 } 384 } 385 386 static void fun_hw_res_alloc(isa_fun_t *fun) 387 { 388 fun->hw_resources.resources = 406 389 (hw_resource_t *)malloc(sizeof(hw_resource_t) * ISA_MAX_HW_RES); 407 390 } 408 391 409 static char * read_isa_dev_info(char *dev_conf, device_t *parent)392 static char *isa_fun_read_info(char *fun_conf, ddf_dev_t *dev) 410 393 { 411 394 char *line; 412 char * dev_name = NULL;395 char *fun_name = NULL; 413 396 414 397 /* Skip empty lines. */ 415 398 while (true) { 416 line = str_get_line( dev_conf, &dev_conf);399 line = str_get_line(fun_conf, &fun_conf); 417 400 418 401 if (line == NULL) { … … 426 409 427 410 /* Get device name. */ 428 dev_name = get_device_name(line);429 if ( dev_name == NULL)411 fun_name = get_device_name(line); 412 if (fun_name == NULL) 430 413 return NULL; 431 414 432 device_t *dev = create_isa_child_dev();433 if ( dev== NULL) {434 free( dev_name);415 isa_fun_t *fun = isa_fun_create(dev, fun_name); 416 if (fun == NULL) { 417 free(fun_name); 435 418 return NULL; 436 419 } 437 420 438 dev->name = dev_name;439 440 421 /* Allocate buffer for the list of hardware resources of the device. */ 441 child_alloc_hw_res(dev);422 fun_hw_res_alloc(fun); 442 423 443 424 /* Get properties of the device (match ids, irq and io range). */ 444 425 while (true) { 445 line = str_get_line( dev_conf, &dev_conf);426 line = str_get_line(fun_conf, &fun_conf); 446 427 447 428 if (line_empty(line)) { … … 454 435 * and store it in the device structure. 455 436 */ 456 get_dev_prop(dev, line); 457 458 //printf(NAME ": next line ='%s'\n", dev_conf); 459 //printf(NAME ": current line ='%s'\n", line); 437 fun_prop_parse(fun, line); 460 438 } 461 439 462 440 /* Set device operations to the device. */ 463 dev->ops = &isa_child_dev_ops; 464 465 printf(NAME ": child_device_register(dev, parent); device is %s.\n", 466 dev->name); 467 child_device_register(dev, parent); 468 469 return dev_conf; 470 } 471 472 static void parse_dev_conf(char *conf, device_t *parent) 441 fun->fnode->ops = &isa_fun_ops; 442 443 ddf_msg(LVL_DEBUG, "Binding function %s.", fun->fnode->name); 444 445 /* XXX Handle error */ 446 (void) ddf_fun_bind(fun->fnode); 447 448 return fun_conf; 449 } 450 451 static void fun_conf_parse(char *conf, ddf_dev_t *dev) 473 452 { 474 453 while (conf != NULL && *conf != '\0') { 475 conf = read_isa_dev_info(conf, parent);476 } 477 } 478 479 static void add_legacy_children(device_t *parent)480 { 481 char * dev_conf;482 483 dev_conf = read_dev_conf(CHILD_DEV_CONF_PATH);484 if ( dev_conf != NULL) {485 parse_dev_conf(dev_conf, parent);486 free( dev_conf);487 } 488 } 489 490 static int isa_add_device(d evice_t *dev)491 { 492 printf(NAME ": isa_add_device, device handle = %d\n",454 conf = isa_fun_read_info(conf, dev); 455 } 456 } 457 458 static void isa_functions_add(ddf_dev_t *dev) 459 { 460 char *fun_conf; 461 462 fun_conf = fun_conf_read(CHILD_FUN_CONF_PATH); 463 if (fun_conf != NULL) { 464 fun_conf_parse(fun_conf, dev); 465 free(fun_conf); 466 } 467 } 468 469 static int isa_add_device(ddf_dev_t *dev) 470 { 471 ddf_msg(LVL_DEBUG, "isa_add_device, device handle = %d", 493 472 (int) dev->handle); 494 473 495 /* Add child devices. */ 496 add_legacy_children(dev); 497 printf(NAME ": finished the enumeration of legacy devices\n"); 474 /* Make the bus device more visible. Does not do anything. */ 475 ddf_msg(LVL_DEBUG, "Adding a 'ctl' function"); 476 477 ddf_fun_t *ctl = ddf_fun_create(dev, fun_exposed, "ctl"); 478 if (ctl == NULL) { 479 ddf_msg(LVL_ERROR, "Failed creating control function."); 480 return EXDEV; 481 } 482 483 if (ddf_fun_bind(ctl) != EOK) { 484 ddf_msg(LVL_ERROR, "Failed binding control function."); 485 return EXDEV; 486 } 487 488 /* Add functions as specified in the configuration file. */ 489 isa_functions_add(dev); 490 ddf_msg(LVL_NOTE, "Finished enumerating legacy functions"); 498 491 499 492 return EOK; … … 502 495 static void isa_init() 503 496 { 504 isa_child_dev_ops.interfaces[HW_RES_DEV_IFACE] = &isa_child_hw_res_ops; 497 ddf_log_init(NAME, LVL_ERROR); 498 isa_fun_ops.interfaces[HW_RES_DEV_IFACE] = &isa_fun_hw_res_ops; 505 499 } 506 500 … … 509 503 printf(NAME ": HelenOS ISA bus driver\n"); 510 504 isa_init(); 511 return d river_main(&isa_driver);505 return ddf_driver_main(&isa_driver); 512 506 } 513 507 … … 515 509 * @} 516 510 */ 517
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