Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Line6 Linux USB driver - 0.8.0 |
| 3 | * |
| 4 | * Copyright (C) 2004-2009 Markus Grabner (grabner@icg.tugraz.at) |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or |
| 7 | * modify it under the terms of the GNU General Public License as |
| 8 | * published by the Free Software Foundation, version 2. |
| 9 | * |
| 10 | */ |
| 11 | |
| 12 | #include "driver.h" |
| 13 | |
| 14 | #include "audio.h" |
| 15 | #include "capture.h" |
| 16 | #include "control.h" |
| 17 | #include "playback.h" |
| 18 | #include "pod.h" |
| 19 | |
| 20 | |
| 21 | #define POD_SYSEX_CODE 3 |
| 22 | #define POD_BYTES_PER_FRAME 6 /* 24bit audio (stereo) */ |
| 23 | |
| 24 | |
| 25 | enum { |
| 26 | POD_SYSEX_CLIP = 0x0f, |
| 27 | POD_SYSEX_SAVE = 0x24, |
| 28 | POD_SYSEX_SYSTEM = 0x56, |
| 29 | POD_SYSEX_SYSTEMREQ = 0x57, |
| 30 | /* POD_SYSEX_UPDATE = 0x6c, */ /* software update! */ |
| 31 | POD_SYSEX_STORE = 0x71, |
| 32 | POD_SYSEX_FINISH = 0x72, |
| 33 | POD_SYSEX_DUMPMEM = 0x73, |
| 34 | POD_SYSEX_DUMP = 0x74, |
| 35 | POD_SYSEX_DUMPREQ = 0x75 |
| 36 | /* POD_SYSEX_DUMPMEM2 = 0x76 */ /* dumps entire internal memory of PODxt Pro */ |
| 37 | }; |
| 38 | |
| 39 | enum { |
| 40 | POD_monitor_level = 0x04, |
| 41 | POD_routing = 0x05, |
| 42 | POD_tuner_mute = 0x13, |
| 43 | POD_tuner_freq = 0x15, |
| 44 | POD_tuner_note = 0x16, |
| 45 | POD_tuner_pitch = 0x17, |
| 46 | POD_system_invalid = 0x7fff |
| 47 | }; |
| 48 | |
| 49 | enum { |
| 50 | POD_DUMP_MEMORY = 2 |
| 51 | }; |
| 52 | |
| 53 | enum { |
| 54 | POD_BUSY_READ, |
| 55 | POD_BUSY_WRITE, |
| 56 | POD_CHANNEL_DIRTY, |
| 57 | POD_SAVE_PRESSED, |
| 58 | POD_BUSY_MIDISEND |
| 59 | }; |
| 60 | |
| 61 | |
| 62 | static struct snd_ratden pod_ratden = { |
| 63 | .num_min = 78125, |
| 64 | .num_max = 78125, |
| 65 | .num_step = 1, |
| 66 | .den = 2 |
| 67 | }; |
| 68 | |
| 69 | static struct line6_pcm_properties pod_pcm_properties = { |
| 70 | .snd_line6_playback_hw = { |
| 71 | .info = (SNDRV_PCM_INFO_MMAP | |
| 72 | SNDRV_PCM_INFO_INTERLEAVED | |
| 73 | SNDRV_PCM_INFO_BLOCK_TRANSFER | |
| 74 | SNDRV_PCM_INFO_MMAP_VALID | |
| 75 | SNDRV_PCM_INFO_PAUSE | |
| 76 | SNDRV_PCM_INFO_SYNC_START), |
| 77 | .formats = SNDRV_PCM_FMTBIT_S24_3LE, |
| 78 | .rates = SNDRV_PCM_RATE_KNOT, |
| 79 | .rate_min = 39062, |
| 80 | .rate_max = 39063, |
| 81 | .channels_min = 2, |
| 82 | .channels_max = 2, |
| 83 | .buffer_bytes_max = 60000, |
| 84 | .period_bytes_min = LINE6_ISO_PACKET_SIZE_MAX * POD_BYTES_PER_FRAME, /* at least one URB must fit into one period */ |
| 85 | .period_bytes_max = 8192, |
| 86 | .periods_min = 1, |
| 87 | .periods_max = 1024 |
| 88 | }, |
| 89 | .snd_line6_capture_hw = { |
| 90 | .info = (SNDRV_PCM_INFO_MMAP | |
| 91 | SNDRV_PCM_INFO_INTERLEAVED | |
| 92 | SNDRV_PCM_INFO_BLOCK_TRANSFER | |
| 93 | SNDRV_PCM_INFO_MMAP_VALID | |
| 94 | SNDRV_PCM_INFO_SYNC_START), |
| 95 | .formats = SNDRV_PCM_FMTBIT_S24_3LE, |
| 96 | .rates = SNDRV_PCM_RATE_KNOT, |
| 97 | .rate_min = 39062, |
| 98 | .rate_max = 39063, |
| 99 | .channels_min = 2, |
| 100 | .channels_max = 2, |
| 101 | .buffer_bytes_max = 60000, |
| 102 | .period_bytes_min = LINE6_ISO_PACKET_SIZE_MAX * POD_BYTES_PER_FRAME, /* at least one URB must fit into one period */ |
| 103 | .period_bytes_max = 8192, |
| 104 | .periods_min = 1, |
| 105 | .periods_max = 1024 |
| 106 | }, |
| 107 | .snd_line6_rates = { |
| 108 | .nrats = 1, |
| 109 | .rats = &pod_ratden |
| 110 | }, |
| 111 | .bytes_per_frame = POD_BYTES_PER_FRAME |
| 112 | }; |
| 113 | |
| 114 | static const char pod_request_version[] = { 0xf0, 0x7e, 0x7f, 0x06, 0x01, 0xf7 }; |
| 115 | static const char pod_request_channel[] = { 0xf0, 0x00, 0x01, 0x0c, 0x03, 0x75, 0xf7 }; |
| 116 | static const char pod_version_header [] = { 0xf2, 0x7e, 0x7f, 0x06, 0x02 }; |
| 117 | |
| 118 | |
| 119 | /* |
| 120 | Mark all parameters as dirty and notify waiting processes. |
| 121 | */ |
| 122 | static void pod_mark_batch_all_dirty(struct usb_line6_pod *pod) |
| 123 | { |
| 124 | int i; |
| 125 | |
| 126 | for(i = POD_CONTROL_SIZE; i--;) |
| 127 | set_bit(i, pod->param_dirty); |
| 128 | } |
| 129 | |
| 130 | /* |
| 131 | Send an asynchronous request for the POD firmware version and device ID. |
| 132 | */ |
| 133 | static int pod_version_request_async(struct usb_line6_pod *pod) |
| 134 | { |
| 135 | return line6_send_raw_message_async(&pod->line6, pod->buffer_versionreq, sizeof(pod_request_version)); |
| 136 | } |
| 137 | |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 138 | static void pod_create_files_work(struct work_struct *work) |
| 139 | { |
| 140 | struct usb_line6_pod *pod = container_of(work, struct usb_line6_pod, create_files_work); |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 141 | |
| 142 | pod_create_files(pod->firmware_version, pod->line6.properties->device_bit, pod->line6.ifcdev); |
| 143 | } |
| 144 | |
| 145 | static void pod_startup_timeout(unsigned long arg) |
| 146 | { |
| 147 | enum { |
| 148 | REQUEST_NONE, |
| 149 | REQUEST_DUMP, |
| 150 | REQUEST_VERSION |
| 151 | }; |
| 152 | |
| 153 | int request = REQUEST_NONE; |
| 154 | struct usb_line6_pod *pod = (struct usb_line6_pod *)arg; |
| 155 | |
| 156 | if(pod->dumpreq.ok) { |
| 157 | if(!pod->versionreq_ok) |
| 158 | request = REQUEST_VERSION; |
| 159 | } |
| 160 | else { |
| 161 | if(pod->versionreq_ok) |
| 162 | request = REQUEST_DUMP; |
| 163 | else if(pod->startup_count++ & 1) |
| 164 | request = REQUEST_DUMP; |
| 165 | else |
| 166 | request = REQUEST_VERSION; |
| 167 | } |
| 168 | |
| 169 | switch(request) { |
| 170 | case REQUEST_DUMP: |
| 171 | line6_dump_request_async(&pod->dumpreq, &pod->line6, 0); |
| 172 | break; |
| 173 | |
| 174 | case REQUEST_VERSION: |
| 175 | pod_version_request_async(pod); |
| 176 | break; |
| 177 | |
| 178 | default: |
| 179 | return; |
| 180 | } |
| 181 | |
| 182 | line6_startup_delayed(&pod->dumpreq, 1, pod_startup_timeout, pod); |
| 183 | } |
| 184 | |
| 185 | static char *pod_alloc_sysex_buffer(struct usb_line6_pod *pod, int code, int size) |
| 186 | { |
| 187 | return line6_alloc_sysex_buffer(&pod->line6, POD_SYSEX_CODE, code, size); |
| 188 | } |
| 189 | |
| 190 | /* |
| 191 | Send channel dump data to the PODxt Pro. |
| 192 | */ |
| 193 | static void pod_dump(struct usb_line6_pod *pod, const unsigned char *data) |
| 194 | { |
| 195 | int size = 1 + sizeof(pod->prog_data); |
| 196 | char *sysex = pod_alloc_sysex_buffer(pod, POD_SYSEX_DUMP, size); |
| 197 | if(!sysex) return; |
| 198 | sysex[SYSEX_DATA_OFS] = 5; /* Don't know what this is good for, but PODxt Pro transmits it, so we also do... */ |
| 199 | memcpy(sysex + SYSEX_DATA_OFS + 1, data, sizeof(pod->prog_data)); |
| 200 | line6_send_sysex_message(&pod->line6, sysex, size); |
| 201 | memcpy(&pod->prog_data, data, sizeof(pod->prog_data)); |
| 202 | pod_mark_batch_all_dirty(pod); |
| 203 | kfree(sysex); |
| 204 | } |
| 205 | |
| 206 | /* |
| 207 | Store parameter value in driver memory and mark it as dirty. |
| 208 | */ |
| 209 | static void pod_store_parameter(struct usb_line6_pod *pod, int param, int value) |
| 210 | { |
| 211 | pod->prog_data.control[param] = value; |
| 212 | set_bit(param, pod->param_dirty); |
| 213 | pod->dirty = 1; |
| 214 | } |
| 215 | |
| 216 | /* |
| 217 | Handle SAVE button |
| 218 | */ |
| 219 | static void pod_save_button_pressed(struct usb_line6_pod *pod, int type, int index) |
| 220 | { |
| 221 | pod->dirty = 0; |
| 222 | set_bit(POD_SAVE_PRESSED, &pod->atomic_flags); |
| 223 | } |
| 224 | |
| 225 | /* |
| 226 | Process a completely received message. |
| 227 | */ |
| 228 | void pod_process_message(struct usb_line6_pod *pod) |
| 229 | { |
| 230 | const unsigned char *buf = pod->line6.buffer_message; |
| 231 | |
| 232 | /* filter messages by type */ |
| 233 | switch(buf[0] & 0xf0) { |
| 234 | case LINE6_PARAM_CHANGE: |
| 235 | case LINE6_PROGRAM_CHANGE: |
| 236 | case LINE6_SYSEX_BEGIN: |
| 237 | break; /* handle these further down */ |
| 238 | |
| 239 | default: |
| 240 | return; /* ignore all others */ |
| 241 | } |
| 242 | |
| 243 | /* process all remaining messages */ |
| 244 | switch(buf[0]) { |
| 245 | case LINE6_PARAM_CHANGE | LINE6_CHANNEL_DEVICE: |
| 246 | pod_store_parameter(pod, buf[1], buf[2]); |
| 247 | /* intentionally no break here! */ |
| 248 | |
| 249 | case LINE6_PARAM_CHANGE | LINE6_CHANNEL_HOST: |
| 250 | if((buf[1] == POD_amp_model_setup) || (buf[1] == POD_effect_setup)) /* these also affect other settings */ |
| 251 | line6_dump_request_async(&pod->dumpreq, &pod->line6, 0); |
| 252 | |
| 253 | break; |
| 254 | |
| 255 | case LINE6_PROGRAM_CHANGE | LINE6_CHANNEL_DEVICE: |
| 256 | case LINE6_PROGRAM_CHANGE | LINE6_CHANNEL_HOST: |
| 257 | pod->channel_num = buf[1]; |
| 258 | pod->dirty = 0; |
| 259 | set_bit(POD_CHANNEL_DIRTY, &pod->atomic_flags); |
| 260 | line6_dump_request_async(&pod->dumpreq, &pod->line6, 0); |
| 261 | break; |
| 262 | |
| 263 | case LINE6_SYSEX_BEGIN | LINE6_CHANNEL_DEVICE: |
| 264 | case LINE6_SYSEX_BEGIN | LINE6_CHANNEL_UNKNOWN: |
| 265 | if(memcmp(buf + 1, line6_midi_id, sizeof(line6_midi_id)) == 0) { |
| 266 | switch(buf[5]) { |
| 267 | case POD_SYSEX_DUMP: |
| 268 | if(pod->line6.message_length == sizeof(pod->prog_data) + 7) { |
| 269 | switch(pod->dumpreq.in_progress) { |
| 270 | case LINE6_DUMP_CURRENT: |
| 271 | memcpy(&pod->prog_data, buf + 7, sizeof(pod->prog_data)); |
| 272 | pod_mark_batch_all_dirty(pod); |
| 273 | pod->dumpreq.ok = 1; |
| 274 | break; |
| 275 | |
| 276 | case POD_DUMP_MEMORY: |
| 277 | memcpy(&pod->prog_data_buf, buf + 7, sizeof(pod->prog_data_buf)); |
| 278 | break; |
| 279 | |
| 280 | default: |
| 281 | DEBUG_MESSAGES(dev_err(pod->line6.ifcdev, "unknown dump code %02X\n", pod->dumpreq.in_progress)); |
| 282 | } |
| 283 | |
| 284 | line6_dump_finished(&pod->dumpreq); |
| 285 | } |
| 286 | else |
| 287 | DEBUG_MESSAGES(dev_err(pod->line6.ifcdev, "wrong size of channel dump message (%d instead of %d)\n", |
| 288 | pod->line6.message_length, (int)sizeof(pod->prog_data) + 7)); |
| 289 | |
| 290 | break; |
| 291 | |
| 292 | case POD_SYSEX_SYSTEM: { |
| 293 | short value = ((int)buf[7] << 12) | ((int)buf[8] << 8) | ((int)buf[9] << 4) | (int)buf[10]; |
| 294 | |
| 295 | #define PROCESS_SYSTEM_PARAM(x) \ |
| 296 | case POD_ ## x: \ |
| 297 | pod->x.value = value; \ |
| 298 | wake_up_interruptible(&pod->x.wait); \ |
| 299 | break; |
| 300 | |
| 301 | switch(buf[6]) { |
| 302 | PROCESS_SYSTEM_PARAM(monitor_level); |
| 303 | PROCESS_SYSTEM_PARAM(routing); |
| 304 | PROCESS_SYSTEM_PARAM(tuner_mute); |
| 305 | PROCESS_SYSTEM_PARAM(tuner_freq); |
| 306 | PROCESS_SYSTEM_PARAM(tuner_note); |
| 307 | PROCESS_SYSTEM_PARAM(tuner_pitch); |
| 308 | |
| 309 | #undef PROCESS_SYSTEM_PARAM |
| 310 | |
| 311 | default: |
| 312 | DEBUG_MESSAGES(dev_err(pod->line6.ifcdev, "unknown tuner/system response %02X\n", buf[6])); |
| 313 | } |
| 314 | |
| 315 | break; |
| 316 | } |
| 317 | |
| 318 | case POD_SYSEX_FINISH: |
| 319 | /* do we need to respond to this? */ |
| 320 | break; |
| 321 | |
| 322 | case POD_SYSEX_SAVE: |
| 323 | pod_save_button_pressed(pod, buf[6], buf[7]); |
| 324 | break; |
| 325 | |
| 326 | case POD_SYSEX_CLIP: |
| 327 | DEBUG_MESSAGES(dev_err(pod->line6.ifcdev, "audio clipped\n")); |
| 328 | pod->clipping.value = 1; |
| 329 | wake_up_interruptible(&pod->clipping.wait); |
| 330 | break; |
| 331 | |
| 332 | case POD_SYSEX_STORE: |
| 333 | DEBUG_MESSAGES(dev_err(pod->line6.ifcdev, "message %02X not yet implemented\n", buf[5])); |
| 334 | break; |
| 335 | |
| 336 | default: |
| 337 | DEBUG_MESSAGES(dev_err(pod->line6.ifcdev, "unknown sysex message %02X\n", buf[5])); |
| 338 | } |
| 339 | } |
| 340 | else if(memcmp(buf, pod_version_header, sizeof(pod_version_header)) == 0) { |
| 341 | if(pod->versionreq_ok == 0) { |
| 342 | pod->firmware_version = buf[13] * 100 + buf[14] * 10 + buf[15]; |
| 343 | pod->device_id = ((int)buf[8] << 16) | ((int)buf[9] << 8) | (int)buf[10]; |
| 344 | pod->versionreq_ok = 1; |
| 345 | |
| 346 | /* Now we know the firmware version, so we schedule a bottom half |
| 347 | handler to create the special files: */ |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 348 | INIT_WORK(&pod->create_files_work, pod_create_files_work); |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 349 | queue_work(line6_workqueue, &pod->create_files_work); |
| 350 | } |
| 351 | else |
| 352 | DEBUG_MESSAGES(dev_err(pod->line6.ifcdev, "multiple firmware version message\n")); |
| 353 | } |
| 354 | else |
| 355 | DEBUG_MESSAGES(dev_err(pod->line6.ifcdev, "unknown sysex header\n")); |
| 356 | |
| 357 | break; |
| 358 | |
| 359 | case LINE6_SYSEX_END: |
| 360 | break; |
| 361 | |
| 362 | default: |
| 363 | DEBUG_MESSAGES(dev_err(pod->line6.ifcdev, "POD: unknown message %02X\n", buf[0])); |
| 364 | } |
| 365 | } |
| 366 | |
| 367 | /* |
| 368 | Detect some cases that require a channel dump after sending a command to the |
| 369 | device. Important notes: |
| 370 | *) The actual dump request can not be sent here since we are not allowed to |
| 371 | wait for the completion of the first message in this context, and sending |
| 372 | the dump request before completion of the previous message leaves the POD |
| 373 | in an undefined state. The dump request will be sent when the echoed |
| 374 | commands are received. |
| 375 | *) This method fails if a param change message is "chopped" after the first |
| 376 | byte. |
| 377 | */ |
| 378 | void pod_midi_postprocess(struct usb_line6_pod *pod, unsigned char *data, int length) |
| 379 | { |
| 380 | int i; |
| 381 | |
| 382 | if(!pod->midi_postprocess) |
| 383 | return; |
| 384 | |
| 385 | for(i = 0; i < length; ++i) { |
| 386 | if(data[i] == (LINE6_PROGRAM_CHANGE | LINE6_CHANNEL_HOST)) { |
| 387 | line6_invalidate_current(&pod->dumpreq); |
| 388 | break; |
| 389 | } |
| 390 | else if((data[i] == (LINE6_PARAM_CHANGE | LINE6_CHANNEL_HOST)) && (i < length - 1)) |
| 391 | if((data[i + 1] == POD_amp_model_setup) || (data[i + 1] == POD_effect_setup)) { |
| 392 | line6_invalidate_current(&pod->dumpreq); |
| 393 | break; |
| 394 | } |
| 395 | } |
| 396 | } |
| 397 | |
| 398 | /* |
| 399 | Send channel number (i.e., switch to a different sound). |
| 400 | */ |
Greg Kroah-Hartman | b702ed25 | 2009-02-27 20:45:03 -0800 | [diff] [blame^] | 401 | static void pod_send_channel(struct usb_line6_pod *pod, int value) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 402 | { |
| 403 | line6_invalidate_current(&pod->dumpreq); |
| 404 | |
| 405 | if(line6_send_program(&pod->line6, value) == 0) |
| 406 | pod->channel_num = value; |
| 407 | else |
| 408 | line6_dump_finished(&pod->dumpreq); |
| 409 | } |
| 410 | |
| 411 | /* |
| 412 | Transmit PODxt Pro control parameter. |
| 413 | */ |
| 414 | void pod_transmit_parameter(struct usb_line6_pod *pod, int param, int value) |
| 415 | { |
| 416 | if(line6_transmit_parameter(&pod->line6, param, value) == 0) |
| 417 | pod_store_parameter(pod, param, value); |
| 418 | |
| 419 | if((param == POD_amp_model_setup) || (param == POD_effect_setup)) /* these also affect other settings */ |
| 420 | line6_invalidate_current(&pod->dumpreq); |
| 421 | } |
| 422 | |
| 423 | /* |
| 424 | Resolve value to memory location. |
| 425 | */ |
| 426 | static void pod_resolve(const char *buf, short block0, short block1, unsigned char *location) |
| 427 | { |
| 428 | int value = simple_strtoul(buf, NULL, 10); |
| 429 | short block = (value < 0x40) ? block0 : block1; |
| 430 | value &= 0x3f; |
| 431 | location[0] = block >> 7; |
| 432 | location[1] = value | (block & 0x7f); |
| 433 | } |
| 434 | |
| 435 | /* |
| 436 | Send command to store channel/effects setup/amp setup to PODxt Pro. |
| 437 | */ |
| 438 | static ssize_t pod_send_store_command(struct device *dev, const char *buf, size_t count, short block0, short block1) |
| 439 | { |
| 440 | struct usb_interface *interface = to_usb_interface(dev); |
| 441 | struct usb_line6_pod *pod = usb_get_intfdata(interface); |
| 442 | |
| 443 | int size = 3 + sizeof(pod->prog_data_buf); |
| 444 | char *sysex = pod_alloc_sysex_buffer(pod, POD_SYSEX_STORE, size); |
| 445 | if(!sysex) return 0; |
| 446 | |
| 447 | sysex[SYSEX_DATA_OFS] = 5; /* see pod_dump() */ |
| 448 | pod_resolve(buf, block0, block1, sysex + SYSEX_DATA_OFS + 1); |
| 449 | memcpy(sysex + SYSEX_DATA_OFS + 3, &pod->prog_data_buf, sizeof(pod->prog_data_buf)); |
| 450 | |
| 451 | line6_send_sysex_message(&pod->line6, sysex, size); |
| 452 | kfree(sysex); |
| 453 | /* needs some delay here on AMD64 platform */ |
| 454 | return count; |
| 455 | } |
| 456 | |
| 457 | /* |
| 458 | Send command to retrieve channel/effects setup/amp setup to PODxt Pro. |
| 459 | */ |
| 460 | static ssize_t pod_send_retrieve_command(struct device *dev, const char *buf, size_t count, short block0, short block1) |
| 461 | { |
| 462 | struct usb_interface *interface = to_usb_interface(dev); |
| 463 | struct usb_line6_pod *pod = usb_get_intfdata(interface); |
| 464 | |
| 465 | int size = 4; |
| 466 | char *sysex = pod_alloc_sysex_buffer(pod, POD_SYSEX_DUMPMEM, size); |
| 467 | if(!sysex) return 0; |
| 468 | |
| 469 | pod_resolve(buf, block0, block1, sysex + SYSEX_DATA_OFS); |
| 470 | sysex[SYSEX_DATA_OFS + 2] = 0; |
| 471 | sysex[SYSEX_DATA_OFS + 3] = 0; |
| 472 | line6_dump_started(&pod->dumpreq, POD_DUMP_MEMORY); |
| 473 | |
| 474 | if(line6_send_sysex_message(&pod->line6, sysex, size) < size) |
| 475 | line6_dump_finished(&pod->dumpreq); |
| 476 | |
| 477 | kfree(sysex); |
| 478 | /* needs some delay here on AMD64 platform */ |
| 479 | return count; |
| 480 | } |
| 481 | |
| 482 | /* |
| 483 | Generic get name function. |
| 484 | */ |
| 485 | static ssize_t get_name_generic(struct usb_line6_pod *pod, const char *str, char *buf) |
| 486 | { |
| 487 | int length = 0; |
| 488 | const char *p1; |
| 489 | char *p2; |
| 490 | char *last_non_space = buf; |
| 491 | |
| 492 | int retval = line6_wait_dump(&pod->dumpreq, 0); |
| 493 | if(retval < 0) return retval; |
| 494 | |
| 495 | for(p1 = str, p2 = buf; *p1; ++p1, ++p2) { |
| 496 | *p2 = *p1; |
| 497 | if(*p2 != ' ') last_non_space = p2; |
| 498 | if(++length == POD_NAME_LENGTH) break; |
| 499 | } |
| 500 | |
| 501 | *(last_non_space + 1) = '\n'; |
| 502 | return last_non_space - buf + 2; |
| 503 | } |
| 504 | |
| 505 | /* |
| 506 | "read" request on "channel" special file. |
| 507 | */ |
Greg Kroah-Hartman | 77491e5 | 2009-02-27 20:25:43 -0800 | [diff] [blame] | 508 | static ssize_t pod_get_channel(struct device *dev, |
| 509 | struct device_attribute *attr, char *buf) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 510 | { |
| 511 | struct usb_interface *interface = to_usb_interface(dev); |
| 512 | struct usb_line6_pod *pod = usb_get_intfdata(interface); |
| 513 | return sprintf(buf, "%d\n", pod->channel_num); |
| 514 | } |
| 515 | |
| 516 | /* |
| 517 | "write" request on "channel" special file. |
| 518 | */ |
Greg Kroah-Hartman | 77491e5 | 2009-02-27 20:25:43 -0800 | [diff] [blame] | 519 | static ssize_t pod_set_channel(struct device *dev, |
| 520 | struct device_attribute *attr, |
| 521 | const char *buf, size_t count) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 522 | { |
| 523 | struct usb_interface *interface = to_usb_interface(dev); |
| 524 | struct usb_line6_pod *pod = usb_get_intfdata(interface); |
| 525 | int value = simple_strtoul(buf, NULL, 10); |
| 526 | pod_send_channel(pod, value); |
| 527 | return count; |
| 528 | } |
| 529 | |
| 530 | /* |
| 531 | "read" request on "name" special file. |
| 532 | */ |
Greg Kroah-Hartman | 77491e5 | 2009-02-27 20:25:43 -0800 | [diff] [blame] | 533 | static ssize_t pod_get_name(struct device *dev, struct device_attribute *attr, |
| 534 | char *buf) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 535 | { |
| 536 | struct usb_interface *interface = to_usb_interface(dev); |
| 537 | struct usb_line6_pod *pod = usb_get_intfdata(interface); |
| 538 | return get_name_generic(pod, pod->prog_data.header + POD_NAME_OFFSET, buf); |
| 539 | } |
| 540 | |
| 541 | /* |
| 542 | "read" request on "name" special file. |
| 543 | */ |
Greg Kroah-Hartman | 77491e5 | 2009-02-27 20:25:43 -0800 | [diff] [blame] | 544 | static ssize_t pod_get_name_buf(struct device *dev, |
| 545 | struct device_attribute *attr, char *buf) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 546 | { |
| 547 | struct usb_interface *interface = to_usb_interface(dev); |
| 548 | struct usb_line6_pod *pod = usb_get_intfdata(interface); |
| 549 | return get_name_generic(pod, pod->prog_data_buf.header + POD_NAME_OFFSET, buf); |
| 550 | } |
| 551 | |
| 552 | /* |
| 553 | "read" request on "dump" special file. |
| 554 | */ |
Greg Kroah-Hartman | 77491e5 | 2009-02-27 20:25:43 -0800 | [diff] [blame] | 555 | static ssize_t pod_get_dump(struct device *dev, struct device_attribute *attr, |
| 556 | char *buf) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 557 | { |
| 558 | struct usb_interface *interface = to_usb_interface(dev); |
| 559 | struct usb_line6_pod *pod = usb_get_intfdata(interface); |
| 560 | int retval = line6_wait_dump(&pod->dumpreq, 0); |
| 561 | if(retval < 0) return retval; |
| 562 | memcpy(buf, &pod->prog_data, sizeof(pod->prog_data)); |
| 563 | return sizeof(pod->prog_data); |
| 564 | } |
| 565 | |
| 566 | /* |
| 567 | "write" request on "dump" special file. |
| 568 | */ |
Greg Kroah-Hartman | 77491e5 | 2009-02-27 20:25:43 -0800 | [diff] [blame] | 569 | static ssize_t pod_set_dump(struct device *dev, struct device_attribute *attr, |
| 570 | const char *buf, size_t count) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 571 | { |
| 572 | struct usb_interface *interface = to_usb_interface(dev); |
| 573 | struct usb_line6_pod *pod = usb_get_intfdata(interface); |
| 574 | |
| 575 | if(count != sizeof(pod->prog_data)) { |
| 576 | dev_err(pod->line6.ifcdev, |
| 577 | "data block must be exactly %d bytes\n", |
| 578 | (int)sizeof(pod->prog_data)); |
| 579 | return -EINVAL; |
| 580 | } |
| 581 | |
| 582 | pod_dump(pod, buf); |
| 583 | return sizeof(pod->prog_data); |
| 584 | } |
| 585 | |
| 586 | /* |
| 587 | Request system parameter. |
| 588 | @param tuner non-zero, if code refers to a tuner parameter |
| 589 | */ |
| 590 | static ssize_t pod_get_system_param(struct usb_line6_pod *pod, char *buf, int code, struct ValueWait *param, int tuner, int sign) |
| 591 | { |
| 592 | char *sysex; |
| 593 | int value; |
| 594 | static const int size = 1; |
| 595 | int retval = 0; |
| 596 | DECLARE_WAITQUEUE(wait, current); |
| 597 | |
| 598 | if(((pod->prog_data.control[POD_tuner] & 0x40) == 0) && tuner) |
| 599 | return -ENODEV; |
| 600 | |
| 601 | /* send value request to tuner: */ |
| 602 | param->value = POD_system_invalid; |
| 603 | sysex = pod_alloc_sysex_buffer(pod, POD_SYSEX_SYSTEMREQ, size); |
| 604 | if(!sysex) return 0; |
| 605 | sysex[SYSEX_DATA_OFS] = code; |
| 606 | line6_send_sysex_message(&pod->line6, sysex, size); |
| 607 | kfree(sysex); |
| 608 | |
| 609 | /* wait for tuner to respond: */ |
| 610 | add_wait_queue(¶m->wait, &wait); |
| 611 | current->state = TASK_INTERRUPTIBLE; |
| 612 | |
| 613 | while(param->value == POD_system_invalid) { |
| 614 | if(signal_pending(current)) { |
| 615 | retval = -ERESTARTSYS; |
| 616 | break; |
| 617 | } |
| 618 | else |
| 619 | schedule(); |
| 620 | } |
| 621 | |
| 622 | current->state = TASK_RUNNING; |
| 623 | remove_wait_queue(¶m->wait, &wait); |
| 624 | |
| 625 | if(retval < 0) |
| 626 | return retval; |
| 627 | |
| 628 | value = sign ? (int)(signed short)param->value : (int)(unsigned short)param->value; |
| 629 | return sprintf(buf, "%d\n", value); |
| 630 | } |
| 631 | |
| 632 | /* |
| 633 | Send system parameter. |
| 634 | @param tuner non-zero, if code refers to a tuner parameter |
| 635 | */ |
| 636 | static ssize_t pod_set_system_param(struct usb_line6_pod *pod, const char *buf, int count, int code, unsigned short mask, int tuner) |
| 637 | { |
| 638 | char *sysex; |
| 639 | static const int size = 5; |
| 640 | unsigned short value; |
| 641 | |
| 642 | if(((pod->prog_data.control[POD_tuner] & 0x40) == 0) && tuner) |
| 643 | return -EINVAL; |
| 644 | |
| 645 | /* send value to tuner: */ |
| 646 | sysex = pod_alloc_sysex_buffer(pod, POD_SYSEX_SYSTEM, size); |
| 647 | if(!sysex) return 0; |
| 648 | value = simple_strtoul(buf, NULL, 10) & mask; |
| 649 | sysex[SYSEX_DATA_OFS] = code; |
| 650 | sysex[SYSEX_DATA_OFS + 1] = (value >> 12) & 0x0f; |
| 651 | sysex[SYSEX_DATA_OFS + 2] = (value >> 8) & 0x0f; |
| 652 | sysex[SYSEX_DATA_OFS + 3] = (value >> 4) & 0x0f; |
| 653 | sysex[SYSEX_DATA_OFS + 4] = (value ) & 0x0f; |
| 654 | line6_send_sysex_message(&pod->line6, sysex, size); |
| 655 | kfree(sysex); |
| 656 | return count; |
| 657 | } |
| 658 | |
| 659 | /* |
| 660 | "read" request on "dump_buf" special file. |
| 661 | */ |
Greg Kroah-Hartman | 77491e5 | 2009-02-27 20:25:43 -0800 | [diff] [blame] | 662 | static ssize_t pod_get_dump_buf(struct device *dev, |
| 663 | struct device_attribute *attr, char *buf) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 664 | { |
| 665 | struct usb_interface *interface = to_usb_interface(dev); |
| 666 | struct usb_line6_pod *pod = usb_get_intfdata(interface); |
| 667 | int retval = line6_wait_dump(&pod->dumpreq, 0); |
| 668 | if(retval < 0) return retval; |
| 669 | memcpy(buf, &pod->prog_data_buf, sizeof(pod->prog_data_buf)); |
| 670 | return sizeof(pod->prog_data_buf); |
| 671 | } |
| 672 | |
| 673 | /* |
| 674 | "write" request on "dump_buf" special file. |
| 675 | */ |
Greg Kroah-Hartman | 77491e5 | 2009-02-27 20:25:43 -0800 | [diff] [blame] | 676 | static ssize_t pod_set_dump_buf(struct device *dev, |
| 677 | struct device_attribute *attr, |
| 678 | const char *buf, size_t count) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 679 | { |
| 680 | struct usb_interface *interface = to_usb_interface(dev); |
| 681 | struct usb_line6_pod *pod = usb_get_intfdata(interface); |
| 682 | |
| 683 | if(count != sizeof(pod->prog_data)) { |
| 684 | dev_err(pod->line6.ifcdev, |
| 685 | "data block must be exactly %d bytes\n", |
| 686 | (int)sizeof(pod->prog_data)); |
| 687 | return -EINVAL; |
| 688 | } |
| 689 | |
| 690 | memcpy(&pod->prog_data_buf, buf, sizeof(pod->prog_data)); |
| 691 | return sizeof(pod->prog_data); |
| 692 | } |
| 693 | |
| 694 | /* |
| 695 | "write" request on "finish" special file. |
| 696 | */ |
Greg Kroah-Hartman | 77491e5 | 2009-02-27 20:25:43 -0800 | [diff] [blame] | 697 | static ssize_t pod_set_finish(struct device *dev, |
| 698 | struct device_attribute *attr, |
| 699 | const char *buf, size_t count) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 700 | { |
| 701 | struct usb_interface *interface = to_usb_interface(dev); |
| 702 | struct usb_line6_pod *pod = usb_get_intfdata(interface); |
| 703 | int size = 0; |
| 704 | char *sysex = pod_alloc_sysex_buffer(pod, POD_SYSEX_FINISH, size); |
| 705 | if(!sysex) return 0; |
| 706 | line6_send_sysex_message(&pod->line6, sysex, size); |
| 707 | kfree(sysex); |
| 708 | return count; |
| 709 | } |
| 710 | |
| 711 | /* |
| 712 | "write" request on "store_channel" special file. |
| 713 | */ |
Greg Kroah-Hartman | 77491e5 | 2009-02-27 20:25:43 -0800 | [diff] [blame] | 714 | static ssize_t pod_set_store_channel(struct device *dev, |
| 715 | struct device_attribute *attr, |
| 716 | const char *buf, size_t count) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 717 | { |
| 718 | return pod_send_store_command(dev, buf, count, 0x0000, 0x00c0); |
| 719 | } |
| 720 | |
| 721 | /* |
| 722 | "write" request on "store_effects_setup" special file. |
| 723 | */ |
Greg Kroah-Hartman | 77491e5 | 2009-02-27 20:25:43 -0800 | [diff] [blame] | 724 | static ssize_t pod_set_store_effects_setup(struct device *dev, |
| 725 | struct device_attribute *attr, |
| 726 | const char *buf, size_t count) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 727 | { |
| 728 | return pod_send_store_command(dev, buf, count, 0x0080, 0x0080); |
| 729 | } |
| 730 | |
| 731 | /* |
| 732 | "write" request on "store_amp_setup" special file. |
| 733 | */ |
Greg Kroah-Hartman | 77491e5 | 2009-02-27 20:25:43 -0800 | [diff] [blame] | 734 | static ssize_t pod_set_store_amp_setup(struct device *dev, |
| 735 | struct device_attribute *attr, |
| 736 | const char *buf, size_t count) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 737 | { |
| 738 | return pod_send_store_command(dev, buf, count, 0x0040, 0x0100); |
| 739 | } |
| 740 | |
| 741 | /* |
| 742 | "write" request on "retrieve_channel" special file. |
| 743 | */ |
Greg Kroah-Hartman | 77491e5 | 2009-02-27 20:25:43 -0800 | [diff] [blame] | 744 | static ssize_t pod_set_retrieve_channel(struct device *dev, |
| 745 | struct device_attribute *attr, |
| 746 | const char *buf, size_t count) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 747 | { |
| 748 | return pod_send_retrieve_command(dev, buf, count, 0x0000, 0x00c0); |
| 749 | } |
| 750 | |
| 751 | /* |
| 752 | "write" request on "retrieve_effects_setup" special file. |
| 753 | */ |
Greg Kroah-Hartman | 77491e5 | 2009-02-27 20:25:43 -0800 | [diff] [blame] | 754 | static ssize_t pod_set_retrieve_effects_setup(struct device *dev, |
| 755 | struct device_attribute *attr, |
| 756 | const char *buf, size_t count) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 757 | { |
| 758 | return pod_send_retrieve_command(dev, buf, count, 0x0080, 0x0080); |
| 759 | } |
| 760 | |
| 761 | /* |
| 762 | "write" request on "retrieve_amp_setup" special file. |
| 763 | */ |
Greg Kroah-Hartman | 77491e5 | 2009-02-27 20:25:43 -0800 | [diff] [blame] | 764 | static ssize_t pod_set_retrieve_amp_setup(struct device *dev, |
| 765 | struct device_attribute *attr, |
| 766 | const char *buf, size_t count) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 767 | { |
| 768 | return pod_send_retrieve_command(dev, buf, count, 0x0040, 0x0100); |
| 769 | } |
| 770 | |
| 771 | /* |
| 772 | "read" request on "dirty" special file. |
| 773 | */ |
Greg Kroah-Hartman | 77491e5 | 2009-02-27 20:25:43 -0800 | [diff] [blame] | 774 | static ssize_t pod_get_dirty(struct device *dev, struct device_attribute *attr, |
| 775 | char *buf) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 776 | { |
| 777 | struct usb_interface *interface = to_usb_interface(dev); |
| 778 | struct usb_line6_pod *pod = usb_get_intfdata(interface); |
| 779 | buf[0] = pod->dirty ? '1' : '0'; |
| 780 | buf[1] = '\n'; |
| 781 | return 2; |
| 782 | } |
| 783 | |
| 784 | /* |
| 785 | "read" request on "midi_postprocess" special file. |
| 786 | */ |
Greg Kroah-Hartman | 77491e5 | 2009-02-27 20:25:43 -0800 | [diff] [blame] | 787 | static ssize_t pod_get_midi_postprocess(struct device *dev, |
| 788 | struct device_attribute *attr, |
| 789 | char *buf) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 790 | { |
| 791 | struct usb_interface *interface = to_usb_interface(dev); |
| 792 | struct usb_line6_pod *pod = usb_get_intfdata(interface); |
| 793 | return sprintf(buf, "%d\n", pod->midi_postprocess); |
| 794 | } |
| 795 | |
| 796 | /* |
| 797 | "write" request on "midi_postprocess" special file. |
| 798 | */ |
Greg Kroah-Hartman | 77491e5 | 2009-02-27 20:25:43 -0800 | [diff] [blame] | 799 | static ssize_t pod_set_midi_postprocess(struct device *dev, |
| 800 | struct device_attribute *attr, |
| 801 | const char *buf, size_t count) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 802 | { |
| 803 | struct usb_interface *interface = to_usb_interface(dev); |
| 804 | struct usb_line6_pod *pod = usb_get_intfdata(interface); |
| 805 | int value = simple_strtoul(buf, NULL, 10); |
| 806 | pod->midi_postprocess = value ? 1 : 0; |
| 807 | return count; |
| 808 | } |
| 809 | |
| 810 | /* |
| 811 | "read" request on "serial_number" special file. |
| 812 | */ |
Greg Kroah-Hartman | 77491e5 | 2009-02-27 20:25:43 -0800 | [diff] [blame] | 813 | static ssize_t pod_get_serial_number(struct device *dev, |
| 814 | struct device_attribute *attr, char *buf) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 815 | { |
| 816 | struct usb_interface *interface = to_usb_interface(dev); |
| 817 | struct usb_line6_pod *pod = usb_get_intfdata(interface); |
| 818 | return sprintf(buf, "%d\n", pod->serial_number); |
| 819 | } |
| 820 | |
| 821 | /* |
| 822 | "read" request on "firmware_version" special file. |
| 823 | */ |
Greg Kroah-Hartman | 77491e5 | 2009-02-27 20:25:43 -0800 | [diff] [blame] | 824 | static ssize_t pod_get_firmware_version(struct device *dev, |
| 825 | struct device_attribute *attr, |
| 826 | char *buf) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 827 | { |
| 828 | struct usb_interface *interface = to_usb_interface(dev); |
| 829 | struct usb_line6_pod *pod = usb_get_intfdata(interface); |
| 830 | return sprintf(buf, "%d.%02d\n", pod->firmware_version / 100, pod->firmware_version % 100); |
| 831 | } |
| 832 | |
| 833 | /* |
| 834 | "read" request on "device_id" special file. |
| 835 | */ |
Greg Kroah-Hartman | 77491e5 | 2009-02-27 20:25:43 -0800 | [diff] [blame] | 836 | static ssize_t pod_get_device_id(struct device *dev, |
| 837 | struct device_attribute *attr, char *buf) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 838 | { |
| 839 | struct usb_interface *interface = to_usb_interface(dev); |
| 840 | struct usb_line6_pod *pod = usb_get_intfdata(interface); |
| 841 | return sprintf(buf, "%d\n", pod->device_id); |
| 842 | } |
| 843 | |
| 844 | /* |
| 845 | "read" request on "clip" special file. |
| 846 | */ |
Greg Kroah-Hartman | 77491e5 | 2009-02-27 20:25:43 -0800 | [diff] [blame] | 847 | static ssize_t pod_wait_for_clip(struct device *dev, |
| 848 | struct device_attribute *attr, char *buf) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 849 | { |
| 850 | struct usb_interface *interface = to_usb_interface(dev); |
| 851 | struct usb_line6_pod *pod = usb_get_intfdata(interface); |
| 852 | int err = 0; |
| 853 | DECLARE_WAITQUEUE(wait, current); |
| 854 | pod->clipping.value = 0; |
| 855 | add_wait_queue(&pod->clipping.wait, &wait); |
| 856 | current->state = TASK_INTERRUPTIBLE; |
| 857 | |
| 858 | while(pod->clipping.value == 0) { |
| 859 | if(signal_pending(current)) { |
| 860 | err = -ERESTARTSYS; |
| 861 | break; |
| 862 | } |
| 863 | else |
| 864 | schedule(); |
| 865 | } |
| 866 | |
| 867 | current->state = TASK_RUNNING; |
| 868 | remove_wait_queue(&pod->clipping.wait, &wait); |
| 869 | return err; |
| 870 | } |
| 871 | |
| 872 | #define POD_GET_SYSTEM_PARAM(code, tuner, sign) \ |
Greg Kroah-Hartman | 77491e5 | 2009-02-27 20:25:43 -0800 | [diff] [blame] | 873 | static ssize_t pod_get_ ## code(struct device *dev, \ |
| 874 | struct device_attribute *attr, char *buf) \ |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 875 | { \ |
| 876 | struct usb_interface *interface = to_usb_interface(dev); \ |
| 877 | struct usb_line6_pod *pod = usb_get_intfdata(interface); \ |
| 878 | return pod_get_system_param(pod, buf, POD_ ## code, &pod->code, tuner, sign); \ |
| 879 | } |
| 880 | |
| 881 | #define POD_GET_SET_SYSTEM_PARAM(code, mask, tuner, sign) \ |
| 882 | POD_GET_SYSTEM_PARAM(code, tuner, sign) \ |
Greg Kroah-Hartman | 77491e5 | 2009-02-27 20:25:43 -0800 | [diff] [blame] | 883 | static ssize_t pod_set_ ## code(struct device *dev, \ |
| 884 | struct device_attribute *attr, const char *buf, \ |
| 885 | size_t count) \ |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 886 | { \ |
| 887 | struct usb_interface *interface = to_usb_interface(dev); \ |
| 888 | struct usb_line6_pod *pod = usb_get_intfdata(interface); \ |
| 889 | return pod_set_system_param(pod, buf, count, POD_ ## code, mask, tuner); \ |
| 890 | } |
| 891 | |
| 892 | POD_GET_SET_SYSTEM_PARAM(monitor_level, 0xffff, 0, 0); |
| 893 | POD_GET_SET_SYSTEM_PARAM(routing, 0x0003, 0, 0); |
| 894 | POD_GET_SET_SYSTEM_PARAM(tuner_mute, 0x0001, 1, 0); |
| 895 | POD_GET_SET_SYSTEM_PARAM(tuner_freq, 0xffff, 1, 0); |
| 896 | POD_GET_SYSTEM_PARAM(tuner_note, 1, 1); |
| 897 | POD_GET_SYSTEM_PARAM(tuner_pitch, 1, 1); |
| 898 | |
| 899 | #undef GET_SET_SYSTEM_PARAM |
| 900 | #undef GET_SYSTEM_PARAM |
| 901 | |
| 902 | /* POD special files: */ |
| 903 | static DEVICE_ATTR(channel, S_IWUGO | S_IRUGO, pod_get_channel, pod_set_channel); |
| 904 | static DEVICE_ATTR(clip, S_IRUGO, pod_wait_for_clip, line6_nop_write); |
| 905 | static DEVICE_ATTR(device_id, S_IRUGO, pod_get_device_id, line6_nop_write); |
| 906 | static DEVICE_ATTR(dirty, S_IRUGO, pod_get_dirty, line6_nop_write); |
| 907 | static DEVICE_ATTR(dump, S_IWUGO | S_IRUGO, pod_get_dump, pod_set_dump); |
| 908 | static DEVICE_ATTR(dump_buf, S_IWUGO | S_IRUGO, pod_get_dump_buf, pod_set_dump_buf); |
| 909 | static DEVICE_ATTR(finish, S_IWUGO, line6_nop_read, pod_set_finish); |
| 910 | static DEVICE_ATTR(firmware_version, S_IRUGO, pod_get_firmware_version, line6_nop_write); |
| 911 | static DEVICE_ATTR(midi_postprocess, S_IWUGO | S_IRUGO, pod_get_midi_postprocess, pod_set_midi_postprocess); |
| 912 | static DEVICE_ATTR(monitor_level, S_IWUGO | S_IRUGO, pod_get_monitor_level, pod_set_monitor_level); |
| 913 | static DEVICE_ATTR(name, S_IRUGO, pod_get_name, line6_nop_write); |
| 914 | static DEVICE_ATTR(name_buf, S_IRUGO, pod_get_name_buf, line6_nop_write); |
| 915 | static DEVICE_ATTR(retrieve_amp_setup, S_IWUGO, line6_nop_read, pod_set_retrieve_amp_setup); |
| 916 | static DEVICE_ATTR(retrieve_channel, S_IWUGO, line6_nop_read, pod_set_retrieve_channel); |
| 917 | static DEVICE_ATTR(retrieve_effects_setup, S_IWUGO, line6_nop_read, pod_set_retrieve_effects_setup); |
| 918 | static DEVICE_ATTR(routing, S_IWUGO | S_IRUGO, pod_get_routing, pod_set_routing); |
| 919 | static DEVICE_ATTR(serial_number, S_IRUGO, pod_get_serial_number, line6_nop_write); |
| 920 | static DEVICE_ATTR(store_amp_setup, S_IWUGO, line6_nop_read, pod_set_store_amp_setup); |
| 921 | static DEVICE_ATTR(store_channel, S_IWUGO, line6_nop_read, pod_set_store_channel); |
| 922 | static DEVICE_ATTR(store_effects_setup, S_IWUGO, line6_nop_read, pod_set_store_effects_setup); |
| 923 | static DEVICE_ATTR(tuner_freq, S_IWUGO | S_IRUGO, pod_get_tuner_freq, pod_set_tuner_freq); |
| 924 | static DEVICE_ATTR(tuner_mute, S_IWUGO | S_IRUGO, pod_get_tuner_mute, pod_set_tuner_mute); |
| 925 | static DEVICE_ATTR(tuner_note, S_IRUGO, pod_get_tuner_note, line6_nop_write); |
| 926 | static DEVICE_ATTR(tuner_pitch, S_IRUGO, pod_get_tuner_pitch, line6_nop_write); |
| 927 | |
| 928 | #if CREATE_RAW_FILE |
| 929 | static DEVICE_ATTR(raw, S_IWUGO, line6_nop_read, line6_set_raw); |
| 930 | #endif |
| 931 | |
| 932 | /* |
| 933 | POD destructor. |
| 934 | */ |
| 935 | static void pod_destruct(struct usb_interface *interface) |
| 936 | { |
| 937 | struct usb_line6_pod *pod = usb_get_intfdata(interface); |
| 938 | struct usb_line6 *line6; |
| 939 | |
| 940 | if(pod == NULL) return; |
| 941 | line6 = &pod->line6; |
| 942 | if(line6 == NULL) return; |
| 943 | line6_cleanup_audio(line6); |
| 944 | |
| 945 | /* free dump request data: */ |
| 946 | line6_dumpreq_destruct(&pod->dumpreq); |
| 947 | |
| 948 | if(pod->buffer_versionreq) kfree(pod->buffer_versionreq); |
| 949 | } |
| 950 | |
| 951 | /* |
| 952 | Create sysfs entries. |
| 953 | */ |
Greg Kroah-Hartman | b702ed25 | 2009-02-27 20:45:03 -0800 | [diff] [blame^] | 954 | static int pod_create_files2(struct device *dev) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 955 | { |
| 956 | int err; |
| 957 | |
| 958 | CHECK_RETURN(device_create_file(dev, &dev_attr_channel)); |
| 959 | CHECK_RETURN(device_create_file(dev, &dev_attr_clip)); |
| 960 | CHECK_RETURN(device_create_file(dev, &dev_attr_device_id)); |
| 961 | CHECK_RETURN(device_create_file(dev, &dev_attr_dirty)); |
| 962 | CHECK_RETURN(device_create_file(dev, &dev_attr_dump)); |
| 963 | CHECK_RETURN(device_create_file(dev, &dev_attr_dump_buf)); |
| 964 | CHECK_RETURN(device_create_file(dev, &dev_attr_finish)); |
| 965 | CHECK_RETURN(device_create_file(dev, &dev_attr_firmware_version)); |
| 966 | CHECK_RETURN(device_create_file(dev, &dev_attr_midi_postprocess)); |
| 967 | CHECK_RETURN(device_create_file(dev, &dev_attr_monitor_level)); |
| 968 | CHECK_RETURN(device_create_file(dev, &dev_attr_name)); |
| 969 | CHECK_RETURN(device_create_file(dev, &dev_attr_name_buf)); |
| 970 | CHECK_RETURN(device_create_file(dev, &dev_attr_retrieve_amp_setup)); |
| 971 | CHECK_RETURN(device_create_file(dev, &dev_attr_retrieve_channel)); |
| 972 | CHECK_RETURN(device_create_file(dev, &dev_attr_retrieve_effects_setup)); |
| 973 | CHECK_RETURN(device_create_file(dev, &dev_attr_routing)); |
| 974 | CHECK_RETURN(device_create_file(dev, &dev_attr_serial_number)); |
| 975 | CHECK_RETURN(device_create_file(dev, &dev_attr_store_amp_setup)); |
| 976 | CHECK_RETURN(device_create_file(dev, &dev_attr_store_channel)); |
| 977 | CHECK_RETURN(device_create_file(dev, &dev_attr_store_effects_setup)); |
| 978 | CHECK_RETURN(device_create_file(dev, &dev_attr_tuner_freq)); |
| 979 | CHECK_RETURN(device_create_file(dev, &dev_attr_tuner_mute)); |
| 980 | CHECK_RETURN(device_create_file(dev, &dev_attr_tuner_note)); |
| 981 | CHECK_RETURN(device_create_file(dev, &dev_attr_tuner_pitch)); |
| 982 | |
| 983 | #if CREATE_RAW_FILE |
| 984 | CHECK_RETURN(device_create_file(dev, &dev_attr_raw)); |
| 985 | #endif |
| 986 | |
| 987 | return 0; |
| 988 | } |
| 989 | |
| 990 | /* |
| 991 | Init POD device. |
| 992 | */ |
| 993 | int pod_init(struct usb_interface *interface, struct usb_line6_pod *pod) |
| 994 | { |
| 995 | int err; |
| 996 | struct usb_line6 *line6 = &pod->line6; |
| 997 | |
| 998 | if((interface == NULL) || (pod == NULL)) return -ENODEV; |
| 999 | |
| 1000 | pod->channel_num = 255; |
| 1001 | |
| 1002 | /* initialize wait queues: */ |
| 1003 | init_waitqueue_head(&pod->monitor_level.wait); |
| 1004 | init_waitqueue_head(&pod->routing.wait); |
| 1005 | init_waitqueue_head(&pod->tuner_mute.wait); |
| 1006 | init_waitqueue_head(&pod->tuner_freq.wait); |
| 1007 | init_waitqueue_head(&pod->tuner_note.wait); |
| 1008 | init_waitqueue_head(&pod->tuner_pitch.wait); |
| 1009 | init_waitqueue_head(&pod->clipping.wait); |
| 1010 | |
| 1011 | memset(pod->param_dirty, 0xff, sizeof(pod->param_dirty)); |
| 1012 | |
| 1013 | /* initialize USB buffers: */ |
| 1014 | err = line6_dumpreq_init(&pod->dumpreq, pod_request_channel, sizeof(pod_request_channel)); |
| 1015 | |
| 1016 | if(err < 0) { |
| 1017 | dev_err(&interface->dev, "Out of memory\n"); |
| 1018 | pod_destruct(interface); |
| 1019 | return -ENOMEM; |
| 1020 | } |
| 1021 | |
| 1022 | pod->buffer_versionreq = kmalloc(sizeof(pod_request_version), GFP_KERNEL); |
| 1023 | |
| 1024 | if(pod->buffer_versionreq == NULL) { |
| 1025 | dev_err(&interface->dev, "Out of memory\n"); |
| 1026 | pod_destruct(interface); |
| 1027 | return -ENOMEM; |
| 1028 | } |
| 1029 | |
| 1030 | memcpy(pod->buffer_versionreq, pod_request_version, sizeof(pod_request_version)); |
| 1031 | |
| 1032 | /* create sysfs entries: */ |
| 1033 | if((err = pod_create_files2(&interface->dev)) < 0) { |
| 1034 | pod_destruct(interface); |
| 1035 | return err; |
| 1036 | } |
| 1037 | |
| 1038 | /* initialize audio system: */ |
| 1039 | if((err = line6_init_audio(line6)) < 0) { |
| 1040 | pod_destruct(interface); |
| 1041 | return err; |
| 1042 | } |
| 1043 | |
| 1044 | /* initialize MIDI subsystem: */ |
| 1045 | if((err = line6_init_midi(line6)) < 0) { |
| 1046 | pod_destruct(interface); |
| 1047 | return err; |
| 1048 | } |
| 1049 | |
| 1050 | /* initialize PCM subsystem: */ |
| 1051 | if((err = line6_init_pcm(line6, &pod_pcm_properties)) < 0) { |
| 1052 | pod_destruct(interface); |
| 1053 | return err; |
| 1054 | } |
| 1055 | |
| 1056 | /* register audio system: */ |
| 1057 | if((err = line6_register_audio(line6)) < 0) { |
| 1058 | pod_destruct(interface); |
| 1059 | return err; |
| 1060 | } |
| 1061 | |
| 1062 | if(pod->line6.properties->capabilities & LINE6_BIT_CONTROL) { |
| 1063 | /* query some data: */ |
| 1064 | line6_startup_delayed(&pod->dumpreq, POD_STARTUP_DELAY, pod_startup_timeout, pod); |
| 1065 | line6_read_serial_number(&pod->line6, &pod->serial_number); |
| 1066 | } |
| 1067 | |
| 1068 | return 0; |
| 1069 | } |
| 1070 | |
| 1071 | /* |
| 1072 | POD device disconnected. |
| 1073 | */ |
| 1074 | void pod_disconnect(struct usb_interface *interface) |
| 1075 | { |
| 1076 | struct usb_line6_pod *pod; |
| 1077 | |
| 1078 | if(interface == NULL) return; |
| 1079 | pod = usb_get_intfdata(interface); |
| 1080 | |
| 1081 | if(pod != NULL) { |
| 1082 | struct snd_line6_pcm *line6pcm = pod->line6.line6pcm; |
| 1083 | struct device *dev = &interface->dev; |
| 1084 | |
| 1085 | if(line6pcm != NULL) { |
| 1086 | unlink_wait_clear_audio_out_urbs(line6pcm); |
| 1087 | unlink_wait_clear_audio_in_urbs(line6pcm); |
| 1088 | } |
| 1089 | |
| 1090 | if(dev != NULL) { |
| 1091 | /* remove sysfs entries: */ |
| 1092 | if(pod->versionreq_ok) |
| 1093 | pod_remove_files(pod->firmware_version, pod->line6.properties->device_bit, dev); |
| 1094 | |
| 1095 | device_remove_file(dev, &dev_attr_channel); |
| 1096 | device_remove_file(dev, &dev_attr_clip); |
| 1097 | device_remove_file(dev, &dev_attr_device_id); |
| 1098 | device_remove_file(dev, &dev_attr_dirty); |
| 1099 | device_remove_file(dev, &dev_attr_dump); |
| 1100 | device_remove_file(dev, &dev_attr_dump_buf); |
| 1101 | device_remove_file(dev, &dev_attr_finish); |
| 1102 | device_remove_file(dev, &dev_attr_firmware_version); |
| 1103 | device_remove_file(dev, &dev_attr_midi_postprocess); |
| 1104 | device_remove_file(dev, &dev_attr_monitor_level); |
| 1105 | device_remove_file(dev, &dev_attr_name); |
| 1106 | device_remove_file(dev, &dev_attr_name_buf); |
| 1107 | device_remove_file(dev, &dev_attr_retrieve_amp_setup); |
| 1108 | device_remove_file(dev, &dev_attr_retrieve_channel); |
| 1109 | device_remove_file(dev, &dev_attr_retrieve_effects_setup); |
| 1110 | device_remove_file(dev, &dev_attr_routing); |
| 1111 | device_remove_file(dev, &dev_attr_serial_number); |
| 1112 | device_remove_file(dev, &dev_attr_store_amp_setup); |
| 1113 | device_remove_file(dev, &dev_attr_store_channel); |
| 1114 | device_remove_file(dev, &dev_attr_store_effects_setup); |
| 1115 | device_remove_file(dev, &dev_attr_tuner_freq); |
| 1116 | device_remove_file(dev, &dev_attr_tuner_mute); |
| 1117 | device_remove_file(dev, &dev_attr_tuner_note); |
| 1118 | device_remove_file(dev, &dev_attr_tuner_pitch); |
| 1119 | |
| 1120 | #if CREATE_RAW_FILE |
| 1121 | device_remove_file(dev, &dev_attr_raw); |
| 1122 | #endif |
| 1123 | } |
| 1124 | } |
| 1125 | |
| 1126 | pod_destruct(interface); |
| 1127 | } |