Changes in uspace/drv/bus/usb/ohci/hc.c [b5f813c:b5111c46] in mainline
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uspace/drv/bus/usb/ohci/hc.c (modified) (12 diffs)
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uspace/drv/bus/usb/ohci/hc.c
rb5f813c rb5111c46 34 34 */ 35 35 36 #include <assert.h>37 #include <async.h>38 36 #include <errno.h> 39 #include <macros.h> 40 #include <mem.h> 41 #include <stdlib.h> 37 #include <stdbool.h> 42 38 #include <str_error.h> 43 #include <sys/types.h> 39 #include <adt/list.h> 40 #include <libarch/ddi.h> 44 41 45 42 #include <usb/debug.h> 46 43 #include <usb/usb.h> 47 44 #include <usb/ddfiface.h> 45 46 #include "hc.h" 48 47 #include "ohci_endpoint.h" 49 #include "ohci_batch.h"50 51 #include "hc.h"52 48 53 49 #define OHCI_USED_INTERRUPTS \ … … 88 84 }; 89 85 86 enum { 87 /** Number of PIO ranges used in IRQ code */ 88 hc_irq_pio_range_count = 89 sizeof(ohci_pio_ranges) / sizeof(irq_pio_range_t), 90 91 /** Number of commands used in IRQ code */ 92 hc_irq_cmd_count = 93 sizeof(ohci_irq_commands) / sizeof(irq_cmd_t) 94 }; 95 90 96 static void hc_gain_control(hc_t *instance); 91 97 static void hc_start(hc_t *instance); 92 98 static int hc_init_transfer_lists(hc_t *instance); 93 99 static int hc_init_memory(hc_t *instance); 100 static int interrupt_emulator(hc_t *instance); 101 static int hc_schedule(hcd_t *hcd, usb_transfer_batch_t *batch); 94 102 95 103 /** Generate IRQ code. … … 98 106 * @param[out] cmds Commands buffer. 99 107 * @param[in] cmds_size Size of the commands buffer (bytes). 100 * @param[in] hw_res Device's resources.108 * @param[in] regs Device's register range. 101 109 * 102 110 * @return Error code. 103 111 */ 104 int ohci_hc_gen_irq_code(irq_code_t *code, const hw_res_list_parsed_t *hw_res) 105 { 106 assert(code); 107 assert(hw_res); 108 109 if (hw_res->irqs.count != 1 || hw_res->mem_ranges.count != 1) 110 return EINVAL; 111 112 const addr_range_t regs = hw_res->mem_ranges.ranges[0]; 113 114 if (RNGSZ(regs) < sizeof(ohci_regs_t)) 112 int 113 hc_get_irq_code(irq_pio_range_t ranges[], size_t ranges_size, irq_cmd_t cmds[], 114 size_t cmds_size, addr_range_t *regs) 115 { 116 if ((ranges_size < sizeof(ohci_pio_ranges)) || 117 (cmds_size < sizeof(ohci_irq_commands)) || 118 (RNGSZ(*regs) < sizeof(ohci_regs_t))) 115 119 return EOVERFLOW; 116 120 117 code->ranges = malloc(sizeof(ohci_pio_ranges)); 118 if (code->ranges == NULL) 119 return ENOMEM; 120 121 code->cmds = malloc(sizeof(ohci_irq_commands)); 122 if (code->cmds == NULL) { 123 free(code->ranges); 124 return ENOMEM; 125 } 126 127 code->rangecount = ARRAY_SIZE(ohci_pio_ranges); 128 code->cmdcount = ARRAY_SIZE(ohci_irq_commands); 129 130 memcpy(code->ranges, ohci_pio_ranges, sizeof(ohci_pio_ranges)); 131 code->ranges[0].base = RNGABS(regs); 132 133 memcpy(code->cmds, ohci_irq_commands, sizeof(ohci_irq_commands)); 134 ohci_regs_t *registers = (ohci_regs_t *) RNGABSPTR(regs); 135 code->cmds[0].addr = (void *) ®isters->interrupt_status; 136 code->cmds[3].addr = (void *) ®isters->interrupt_status; 137 OHCI_WR(code->cmds[1].value, OHCI_USED_INTERRUPTS); 138 139 usb_log_debug("Memory mapped regs at %p (size %zu), IRQ %d.\n", 140 RNGABSPTR(regs), RNGSZ(regs), hw_res->irqs.irqs[0]); 141 142 return hw_res->irqs.irqs[0]; 121 memcpy(ranges, ohci_pio_ranges, sizeof(ohci_pio_ranges)); 122 ranges[0].base = RNGABS(*regs); 123 124 memcpy(cmds, ohci_irq_commands, sizeof(ohci_irq_commands)); 125 ohci_regs_t *registers = (ohci_regs_t *) RNGABSPTR(*regs); 126 cmds[0].addr = (void *) ®isters->interrupt_status; 127 cmds[3].addr = (void *) ®isters->interrupt_status; 128 OHCI_WR(cmds[1].value, OHCI_USED_INTERRUPTS); 129 130 return EOK; 131 } 132 133 /** Register interrupt handler. 134 * 135 * @param[in] device Host controller DDF device 136 * @param[in] regs Register range 137 * @param[in] irq Interrupt number 138 * @paran[in] handler Interrupt handler 139 * 140 * @return EOK on success or negative error code 141 */ 142 int hc_register_irq_handler(ddf_dev_t *device, addr_range_t *regs, int irq, 143 interrupt_handler_t handler) 144 { 145 int rc; 146 147 irq_pio_range_t irq_ranges[hc_irq_pio_range_count]; 148 irq_cmd_t irq_cmds[hc_irq_cmd_count]; 149 150 irq_code_t irq_code = { 151 .rangecount = hc_irq_pio_range_count, 152 .ranges = irq_ranges, 153 .cmdcount = hc_irq_cmd_count, 154 .cmds = irq_cmds 155 }; 156 157 rc = hc_get_irq_code(irq_ranges, sizeof(irq_ranges), irq_cmds, 158 sizeof(irq_cmds), regs); 159 if (rc != EOK) { 160 usb_log_error("Failed to generate IRQ code: %s.\n", 161 str_error(rc)); 162 return rc; 163 } 164 165 /* Register handler to avoid interrupt lockup */ 166 rc = register_interrupt_handler(device, irq, handler, &irq_code); 167 if (rc != EOK) { 168 usb_log_error("Failed to register interrupt handler: %s.\n", 169 str_error(rc)); 170 return rc; 171 } 172 173 return EOK; 174 } 175 176 /** Announce OHCI root hub to the DDF 177 * 178 * @param[in] instance OHCI driver intance 179 * @param[in] hub_fun DDF fuction representing OHCI root hub 180 * @return Error code 181 */ 182 int hc_register_hub(hc_t *instance, ddf_fun_t *hub_fun) 183 { 184 bool addr_reqd = false; 185 bool ep_added = false; 186 bool fun_bound = false; 187 int rc; 188 189 assert(instance); 190 assert(hub_fun); 191 192 /* Try to get address 1 for root hub. */ 193 instance->rh.address = 1; 194 rc = usb_device_manager_request_address( 195 &instance->generic->dev_manager, &instance->rh.address, false, 196 USB_SPEED_FULL); 197 if (rc != EOK) { 198 usb_log_error("Failed to get OHCI root hub address: %s\n", 199 str_error(rc)); 200 goto error; 201 } 202 203 addr_reqd = true; 204 205 rc = usb_endpoint_manager_add_ep( 206 &instance->generic->ep_manager, instance->rh.address, 0, 207 USB_DIRECTION_BOTH, USB_TRANSFER_CONTROL, USB_SPEED_FULL, 64, 208 0, NULL, NULL); 209 if (rc != EOK) { 210 usb_log_error("Failed to register root hub control endpoint: %s.\n", 211 str_error(rc)); 212 goto error; 213 } 214 215 ep_added = true; 216 217 rc = ddf_fun_add_match_id(hub_fun, "usb&class=hub", 100); 218 if (rc != EOK) { 219 usb_log_error("Failed to add root hub match-id: %s.\n", 220 str_error(rc)); 221 goto error; 222 } 223 224 rc = ddf_fun_bind(hub_fun); 225 if (rc != EOK) { 226 usb_log_error("Failed to bind root hub function: %s.\n", 227 str_error(rc)); 228 goto error; 229 } 230 231 fun_bound = true; 232 233 rc = usb_device_manager_bind_address(&instance->generic->dev_manager, 234 instance->rh.address, ddf_fun_get_handle(hub_fun)); 235 if (rc != EOK) { 236 usb_log_warning("Failed to bind root hub address: %s.\n", 237 str_error(rc)); 238 } 239 240 return EOK; 241 error: 242 if (fun_bound) 243 ddf_fun_unbind(hub_fun); 244 if (ep_added) { 245 usb_endpoint_manager_remove_ep( 246 &instance->generic->ep_manager, instance->rh.address, 0, 247 USB_DIRECTION_BOTH, NULL, NULL); 248 } 249 if (addr_reqd) { 250 usb_device_manager_release_address( 251 &instance->generic->dev_manager, instance->rh.address); 252 } 253 return rc; 143 254 } 144 255 … … 146 257 * 147 258 * @param[in] instance Memory place for the structure. 148 * @param[in] regs Device's resources 259 * @param[in] HC function node 260 * @param[in] regs Device's I/O registers range. 149 261 * @param[in] interrupts True if w interrupts should be used 150 262 * @return Error code 151 263 */ 152 int hc_init(hc_t *instance, const hw_res_list_parsed_t *hw_res, bool interrupts) 153 { 154 assert(instance); 155 assert(hw_res); 156 if (hw_res->mem_ranges.count != 1 || 157 hw_res->mem_ranges.ranges[0].size < sizeof(ohci_regs_t)) 158 return EINVAL; 159 160 int ret = pio_enable_range(&hw_res->mem_ranges.ranges[0], 161 (void **) &instance->registers); 162 if (ret != EOK) { 163 usb_log_error("Failed to gain access to registers: %s.\n", 164 str_error(ret)); 165 return ret; 166 } 167 usb_log_debug("Device registers at %" PRIx64 " (%zuB) accessible.\n", 168 hw_res->mem_ranges.ranges[0].address.absolute, 169 hw_res->mem_ranges.ranges[0].size); 264 int hc_init(hc_t *instance, ddf_fun_t *fun, addr_range_t *regs, bool interrupts) 265 { 266 assert(instance); 267 268 int rc = pio_enable_range(regs, (void **) &instance->registers); 269 if (rc != EOK) { 270 usb_log_error("Failed to gain access to device registers: %s.\n", 271 str_error(rc)); 272 return rc; 273 } 170 274 171 275 list_initialize(&instance->pending_batches); 276 277 instance->generic = ddf_fun_data_alloc(fun, sizeof(hcd_t)); 278 if (instance->generic == NULL) { 279 usb_log_error("Out of memory.\n"); 280 return ENOMEM; 281 } 282 283 hcd_init(instance->generic, USB_SPEED_FULL, 284 BANDWIDTH_AVAILABLE_USB11, bandwidth_count_usb11); 285 instance->generic->private_data = instance; 286 instance->generic->schedule = hc_schedule; 287 instance->generic->ep_add_hook = ohci_endpoint_init; 288 instance->generic->ep_remove_hook = ohci_endpoint_fini; 289 290 rc = hc_init_memory(instance); 291 if (rc != EOK) { 292 usb_log_error("Failed to create OHCI memory structures: %s.\n", 293 str_error(rc)); 294 return rc; 295 } 296 172 297 fibril_mutex_initialize(&instance->guard); 173 instance->hw_interrupts = interrupts;174 175 ret = hc_init_memory(instance);176 if (ret != EOK) {177 usb_log_error("Failed to create OHCI memory structures: %s.\n",178 str_error(ret));179 //TODO: We should disable pio access here180 return ret;181 }182 298 183 299 hc_gain_control(instance); 184 300 185 ohci_rh_init(&instance->rh, instance->registers, "ohci rh"); 301 if (!interrupts) { 302 instance->interrupt_emulator = 303 fibril_create((int(*)(void*))interrupt_emulator, instance); 304 fibril_add_ready(instance->interrupt_emulator); 305 } 306 307 rh_init(&instance->rh, instance->registers); 186 308 hc_start(instance); 187 309 188 310 return EOK; 189 311 } 190 191 /** Safely dispose host controller internal structures192 *193 * @param[in] instance Host controller structure to use.194 */195 void hc_fini(hc_t *instance)196 {197 assert(instance);198 /* TODO: implement*/199 };200 312 201 313 void hc_enqueue_endpoint(hc_t *instance, const endpoint_t *ep) … … 267 379 } 268 380 269 int ohci_hc_status(hcd_t *hcd, uint32_t *status)270 {271 assert(hcd);272 assert(status);273 hc_t *instance = hcd_get_driver_data(hcd);274 assert(instance);275 276 if (instance->registers){277 *status = OHCI_RD(instance->registers->interrupt_status);278 OHCI_WR(instance->registers->interrupt_status, *status);279 }280 return EOK;281 }282 283 381 /** Add USB transfer to the schedule. 284 382 * 285 * @param[in] hcd HCDdriver structure.383 * @param[in] instance OHCI hc driver structure. 286 384 * @param[in] batch Batch representing the transfer. 287 385 * @return Error code. 288 386 */ 289 int ohci_hc_schedule(hcd_t *hcd, usb_transfer_batch_t *batch)387 int hc_schedule(hcd_t *hcd, usb_transfer_batch_t *batch) 290 388 { 291 389 assert(hcd); 292 hc_t *instance = hcd _get_driver_data(hcd);390 hc_t *instance = hcd->private_data; 293 391 assert(instance); 294 392 295 393 /* Check for root hub communication */ 296 if (batch->ep->address == ohci_rh_get_address(&instance->rh)) {394 if (batch->ep->address == instance->rh.address) { 297 395 usb_log_debug("OHCI root hub request.\n"); 298 return ohci_rh_schedule(&instance->rh, batch); 396 rh_request(&instance->rh, batch); 397 return EOK; 299 398 } 300 399 ohci_transfer_batch_t *ohci_batch = ohci_transfer_batch_get(batch); … … 324 423 /** Interrupt handling routine 325 424 * 326 * @param[in] hcd HCDdriver structure.425 * @param[in] instance OHCI hc driver structure. 327 426 * @param[in] status Value of the status register at the time of interrupt. 328 427 */ 329 void ohci_hc_interrupt(hcd_t *hcd, uint32_t status) 330 { 331 assert(hcd); 332 hc_t *instance = hcd_get_driver_data(hcd); 428 void hc_interrupt(hc_t *instance, uint32_t status) 429 { 333 430 status = OHCI_RD(status); 334 431 assert(instance); … … 337 434 usb_log_debug2("OHCI(%p) interrupt: %x.\n", instance, status); 338 435 if (status & I_RHSC) 339 ohci_rh_interrupt(&instance->rh);436 rh_interrupt(&instance->rh); 340 437 341 438 if (status & I_WDH) { … … 368 465 } 369 466 467 } 468 469 /** Check status register regularly 470 * 471 * @param[in] instance OHCI hc driver structure. 472 * @return Error code 473 */ 474 int interrupt_emulator(hc_t *instance) 475 { 476 assert(instance); 477 usb_log_info("Started interrupt emulator.\n"); 478 while (1) { 479 const uint32_t status = instance->registers->interrupt_status; 480 instance->registers->interrupt_status = status; 481 hc_interrupt(instance, status); 482 async_usleep(10000); 483 } 484 return EOK; 370 485 } 371 486 … … 393 508 ohci_emulation_reg, OHCI_RD(*ohci_emulation_reg)); 394 509 /* Zero everything but A20State */ 395 //TODO: should we ack interrupts before doing this?396 510 OHCI_CLR(*ohci_emulation_reg, ~0x100); 397 511 usb_log_debug( … … 403 517 if (OHCI_RD(instance->registers->control) & C_IR) { 404 518 usb_log_debug("SMM driver: request ownership change.\n"); 405 //TODO: should we ack interrupts before doing this?406 519 OHCI_SET(instance->registers->command_status, CS_OCR); 407 520 /* Hope that SMM actually knows its stuff or we can hang here */ 408 while (OHCI_RD(instance->registers->control ) & C_IR) {521 while (OHCI_RD(instance->registers->control & C_IR)) { 409 522 async_usleep(1000); 410 523 } … … 490 603 491 604 /* Enable interrupts */ 492 if (instance->hw_interrupts) { 493 OHCI_WR(instance->registers->interrupt_enable, 494 OHCI_USED_INTERRUPTS); 495 usb_log_debug("Enabled interrupts: %x.\n", 496 OHCI_RD(instance->registers->interrupt_enable)); 497 OHCI_WR(instance->registers->interrupt_enable, I_MI); 498 } 605 OHCI_WR(instance->registers->interrupt_enable, OHCI_USED_INTERRUPTS); 606 usb_log_debug("Enabled interrupts: %x.\n", 607 OHCI_RD(instance->registers->interrupt_enable)); 608 OHCI_WR(instance->registers->interrupt_enable, I_MI); 499 609 500 610 /* Set periodic start to 90% */ … … 522 632 do { \ 523 633 const char *name = usb_str_transfer_type(type); \ 524 constint ret = endpoint_list_init(&instance->lists[type], name); \634 int ret = endpoint_list_init(&instance->lists[type], name); \ 525 635 if (ret != EOK) { \ 526 636 usb_log_error("Failed to setup %s endpoint list: %s.\n", \
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