Changes in uspace/lib/usbdev/src/devpoll.c [56fd7cf:ff0258f] in mainline
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uspace/lib/usbdev/src/devpoll.c
r56fd7cf rff0258f 33 33 * USB device driver framework - automatic interrupt polling. 34 34 */ 35 #include <usb/dev/device.h> 36 #include <usb/dev/pipes.h> 35 37 #include <usb/dev/poll.h> 36 38 #include <usb/dev/request.h> 39 #include <usb/classes/classes.h> 37 40 #include <usb/debug.h> 38 #include <usb/classes/classes.h> 41 #include <usb/descriptor.h> 42 #include <usb/usb.h> 43 44 #include <assert.h> 45 #include <async.h> 39 46 #include <errno.h> 47 #include <fibril.h> 48 #include <stdbool.h> 49 #include <stdlib.h> 40 50 #include <str_error.h> 41 #include < assert.h>51 #include <sys/types.h> 42 52 43 53 /** Maximum number of failed consecutive requests before announcing failure. */ … … 51 61 /** USB device to poll. */ 52 62 usb_device_t *dev; 53 /** Device pipeto use for polling. */54 size_t pipe_index;63 /** Device enpoint mapping to use for polling. */ 64 usb_endpoint_mapping_t *polling_mapping; 55 65 /** Size of the recieved data. */ 56 66 size_t request_size; … … 72 82 const usb_device_auto_polling_t *params = &data->auto_polling; 73 83 74 usb_pipe_t *pipe 75 = &data->dev->pipes[data->pipe_index].pipe; 84 usb_pipe_t *pipe = &data->polling_mapping->pipe; 76 85 77 86 if (params->debug > 0) { 78 87 const usb_endpoint_mapping_t *mapping 79 = &data->dev->pipes[data->pipe_index];80 usb_log_debug("Poll %p: started polling of `%s' - " \88 = data->polling_mapping; 89 usb_log_debug("Poll (%p): started polling of `%s' - " \ 81 90 "interface %d (%s,%d,%d), %zuB/%zu.\n", 82 data, ddf_dev_get_name(data->dev->ddf_dev),91 data, usb_device_get_name(data->dev), 83 92 (int) mapping->interface->interface_number, 84 93 usb_str_class(mapping->interface->interface_class), … … 88 97 } 89 98 90 usb_pipe_start_long_transfer(pipe);91 99 size_t failed_attempts = 0; 92 100 while (failed_attempts <= params->max_failures) { … … 95 103 data->request_size, &actual_size); 96 104 97 if ( params->debug > 1) {98 if ( rc == EOK) {105 if (rc == EOK) { 106 if (params->debug > 1) { 99 107 usb_log_debug( 100 108 "Poll%p: received: '%s' (%zuB).\n", … … 103 111 actual_size, 16), 104 112 actual_size); 105 } else { 113 } 114 } else { 106 115 usb_log_debug( 107 116 "Poll%p: polling failed: %s.\n", 108 117 data, str_error(rc)); 109 }110 118 } 111 119 … … 117 125 */ 118 126 usb_request_clear_endpoint_halt( 119 &data->dev->ctrl_pipe, pipe->endpoint_no); 127 usb_device_get_default_pipe(data->dev), 128 pipe->endpoint_no); 120 129 } 121 130 … … 145 154 146 155 /* Take a rest before next request. */ 156 //TODO: This is broken, the time is in ms not us. 157 // but first we need to fix drivers to actually stop using this, 158 // since polling dealy should be implemented in HC schedule 147 159 async_usleep(params->delay); 148 160 } 149 150 usb_pipe_end_long_transfer(pipe);151 161 152 162 const bool failed = failed_attempts > 0; … … 159 169 if (failed) { 160 170 usb_log_error("Polling of device `%s' terminated: " 161 "recurring failures.\n", ddf_dev_get_name(162 data->dev->ddf_dev));171 "recurring failures.\n", 172 usb_device_get_name(data->dev)); 163 173 } else { 164 174 usb_log_debug("Polling of device `%s' terminated: " 165 "driver request.\n", ddf_dev_get_name(166 data->dev->ddf_dev));175 "driver request.\n", 176 usb_device_get_name(data->dev)); 167 177 } 168 178 } … … 175 185 } 176 186 187 177 188 /** Start automatic device polling over interrupt in pipe. 178 189 * 179 * @warning It is up to the callback to produce delays between individual180 * requests.190 * The polling settings is copied thus it is okay to destroy the structure 191 * after this function returns. 181 192 * 182 193 * @warning There is no guarantee when the request to the device … … 185 196 * 186 197 * @param dev Device to be periodically polled. 198 * @param epm Endpoint mapping to use. 199 * @param polling Polling settings. 200 * @param request_size How many bytes to ask for in each request. 201 * @param arg Custom argument (passed as is to the callbacks). 202 * @return Error code. 203 * @retval EOK New fibril polling the device was already started. 204 */ 205 static int usb_device_auto_polling_internal(usb_device_t *dev, 206 usb_endpoint_mapping_t *epm, const usb_device_auto_polling_t *polling, 207 size_t request_size) 208 { 209 if ((dev == NULL) || (polling == NULL) || (polling->on_data == NULL)) { 210 return EBADMEM; 211 } 212 213 if (request_size == 0) 214 return EINVAL; 215 216 if (!epm || (epm->pipe.transfer_type != USB_TRANSFER_INTERRUPT) || 217 (epm->pipe.direction != USB_DIRECTION_IN)) 218 return EINVAL; 219 220 221 polling_data_t *polling_data = malloc(sizeof(polling_data_t)); 222 if (polling_data == NULL) { 223 return ENOMEM; 224 } 225 226 /* Fill-in the data. */ 227 polling_data->buffer = malloc(sizeof(request_size)); 228 if (polling_data->buffer == NULL) { 229 free(polling_data); 230 return ENOMEM; 231 } 232 polling_data->request_size = request_size; 233 polling_data->dev = dev; 234 polling_data->polling_mapping = epm; 235 236 /* Copy provided settings. */ 237 polling_data->auto_polling = *polling; 238 239 /* Negative value means use descriptor provided value. */ 240 if (polling->delay < 0) { 241 polling_data->auto_polling.delay = 242 epm->descriptor->poll_interval; 243 } 244 245 fid_t fibril = fibril_create(polling_fibril, polling_data); 246 if (fibril == 0) { 247 free(polling_data->buffer); 248 free(polling_data); 249 return ENOMEM; 250 } 251 fibril_add_ready(fibril); 252 253 /* Fibril launched. That fibril will free the allocated data. */ 254 255 return EOK; 256 } 257 /** Start automatic device polling over interrupt in pipe. 258 * 259 * The polling settings is copied thus it is okay to destroy the structure 260 * after this function returns. 261 * 262 * @warning There is no guarantee when the request to the device 263 * will be sent for the first time (it is possible that this 264 * first request would be executed prior to return from this function). 265 * 266 * @param dev Device to be periodically polled. 187 267 * @param pipe_index Index of the endpoint pipe used for polling. 268 * @param polling Polling settings. 269 * @param req_size How many bytes to ask for in each request. 270 * @param arg Custom argument (passed as is to the callbacks). 271 * @return Error code. 272 * @retval EOK New fibril polling the device was already started. 273 */ 274 int usb_device_auto_polling(usb_device_t *usb_dev, usb_endpoint_t ep, 275 const usb_device_auto_polling_t *polling, size_t req_size) 276 { 277 usb_endpoint_mapping_t *epm = usb_device_get_mapped_ep(usb_dev, ep); 278 return usb_device_auto_polling_internal(usb_dev, epm, polling, req_size); 279 } 280 281 /** Start automatic device polling over interrupt in pipe. 282 * 283 * @warning It is up to the callback to produce delays between individual 284 * requests. 285 * 286 * @warning There is no guarantee when the request to the device 287 * will be sent for the first time (it is possible that this 288 * first request would be executed prior to return from this function). 289 * 290 * @param dev Device to be periodically polled. 291 * @param ep Endpoint used for polling. 188 292 * @param callback Callback when data are available. 189 293 * @param request_size How many bytes to ask for in each request. 294 * @param delay NUmber of ms to wait between queries, -1 to use descriptor val. 190 295 * @param terminated_callback Callback when polling is terminated. 191 296 * @param arg Custom argument (passed as is to the callbacks). … … 193 298 * @retval EOK New fibril polling the device was already started. 194 299 */ 195 int usb_device_auto_poll(usb_device_t *dev, size_t pipe_index,196 usb_polling_callback_t callback, size_t request_size, 300 int usb_device_auto_poll(usb_device_t *dev, usb_endpoint_t ep, 301 usb_polling_callback_t callback, size_t request_size, int delay, 197 302 usb_polling_terminted_callback_t terminated_callback, void *arg) 198 303 { … … 200 305 .debug = 1, 201 306 .auto_clear_halt = true, 202 .delay = 0,307 .delay = delay, 203 308 .max_failures = MAX_FAILED_ATTEMPTS, 204 309 .on_data = callback, … … 208 313 }; 209 314 210 return usb_device_auto_polling(dev, pipe_index, &auto_polling, 211 request_size); 212 } 213 214 /** Start automatic device polling over interrupt in pipe. 215 * 216 * The polling settings is copied thus it is okay to destroy the structure 217 * after this function returns. 218 * 219 * @warning There is no guarantee when the request to the device 220 * will be sent for the first time (it is possible that this 221 * first request would be executed prior to return from this function). 222 * 223 * @param dev Device to be periodically polled. 224 * @param pipe_index Index of the endpoint pipe used for polling. 225 * @param polling Polling settings. 226 * @param request_size How many bytes to ask for in each request. 227 * @param arg Custom argument (passed as is to the callbacks). 228 * @return Error code. 229 * @retval EOK New fibril polling the device was already started. 230 */ 231 int usb_device_auto_polling(usb_device_t *dev, size_t pipe_index, 232 const usb_device_auto_polling_t *polling, 233 size_t request_size) 234 { 235 if ((dev == NULL) || (polling == NULL) || (polling->on_data == NULL)) { 236 return EBADMEM; 237 } 238 239 if (pipe_index >= dev->pipes_count || request_size == 0) { 240 return EINVAL; 241 } 242 if ((dev->pipes[pipe_index].pipe.transfer_type != USB_TRANSFER_INTERRUPT) 243 || (dev->pipes[pipe_index].pipe.direction != USB_DIRECTION_IN)) { 244 return EINVAL; 245 } 246 247 polling_data_t *polling_data = malloc(sizeof(polling_data_t)); 248 if (polling_data == NULL) { 249 return ENOMEM; 250 } 251 252 /* Fill-in the data. */ 253 polling_data->buffer = malloc(sizeof(request_size)); 254 if (polling_data->buffer == NULL) { 255 free(polling_data); 256 return ENOMEM; 257 } 258 polling_data->request_size = request_size; 259 polling_data->dev = dev; 260 polling_data->pipe_index = pipe_index; 261 262 /* Copy provided settings. */ 263 polling_data->auto_polling = *polling; 264 265 /* Negative value means use descriptor provided value. */ 266 if (polling->delay < 0) { 267 polling_data->auto_polling.delay = 268 (int) dev->pipes[pipe_index].descriptor->poll_interval; 269 } 270 271 fid_t fibril = fibril_create(polling_fibril, polling_data); 272 if (fibril == 0) { 273 free(polling_data->buffer); 274 free(polling_data); 275 return ENOMEM; 276 } 277 fibril_add_ready(fibril); 278 279 /* Fibril launched. That fibril will free the allocated data. */ 280 281 return EOK; 315 usb_endpoint_mapping_t *epm = usb_device_get_mapped_ep(dev, ep); 316 return usb_device_auto_polling_internal( 317 dev, epm, &auto_polling, request_size); 318 } 319 320 int usb_device_auto_polling_desc(usb_device_t *usb_dev, 321 const usb_endpoint_description_t *desc, 322 const usb_device_auto_polling_t *polling, size_t req_size) 323 { 324 usb_endpoint_mapping_t *epm = 325 usb_device_get_mapped_ep_desc(usb_dev, desc); 326 return usb_device_auto_polling_internal(usb_dev, epm, polling, req_size); 327 } 328 329 int usb_device_auto_poll_desc(usb_device_t * usb_dev, 330 const usb_endpoint_description_t *desc, usb_polling_callback_t callback, 331 size_t req_size, int delay, 332 usb_polling_terminted_callback_t terminated_callback, void *arg) 333 { 334 const usb_device_auto_polling_t auto_polling = { 335 .debug = 1, 336 .auto_clear_halt = true, 337 .delay = delay, 338 .max_failures = MAX_FAILED_ATTEMPTS, 339 .on_data = callback, 340 .on_polling_end = terminated_callback, 341 .on_error = NULL, 342 .arg = arg, 343 }; 344 345 usb_endpoint_mapping_t *epm = 346 usb_device_get_mapped_ep_desc(usb_dev, desc); 347 return usb_device_auto_polling_internal( 348 usb_dev, epm, &auto_polling, req_size); 282 349 } 283 350
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