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 | |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame^] | 14 | #include <linux/slab.h> |
| 15 | |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 16 | #include "audio.h" |
| 17 | #include "capture.h" |
| 18 | #include "control.h" |
| 19 | #include "playback.h" |
| 20 | #include "pod.h" |
| 21 | |
| 22 | |
| 23 | #define POD_SYSEX_CODE 3 |
| 24 | #define POD_BYTES_PER_FRAME 6 /* 24bit audio (stereo) */ |
| 25 | |
| 26 | |
| 27 | enum { |
| 28 | POD_SYSEX_CLIP = 0x0f, |
| 29 | POD_SYSEX_SAVE = 0x24, |
| 30 | POD_SYSEX_SYSTEM = 0x56, |
| 31 | POD_SYSEX_SYSTEMREQ = 0x57, |
| 32 | /* POD_SYSEX_UPDATE = 0x6c, */ /* software update! */ |
| 33 | POD_SYSEX_STORE = 0x71, |
| 34 | POD_SYSEX_FINISH = 0x72, |
| 35 | POD_SYSEX_DUMPMEM = 0x73, |
| 36 | POD_SYSEX_DUMP = 0x74, |
| 37 | POD_SYSEX_DUMPREQ = 0x75 |
| 38 | /* POD_SYSEX_DUMPMEM2 = 0x76 */ /* dumps entire internal memory of PODxt Pro */ |
| 39 | }; |
| 40 | |
| 41 | enum { |
| 42 | POD_monitor_level = 0x04, |
| 43 | POD_routing = 0x05, |
| 44 | POD_tuner_mute = 0x13, |
| 45 | POD_tuner_freq = 0x15, |
| 46 | POD_tuner_note = 0x16, |
| 47 | POD_tuner_pitch = 0x17, |
| 48 | POD_system_invalid = 0x7fff |
| 49 | }; |
| 50 | |
| 51 | enum { |
| 52 | POD_DUMP_MEMORY = 2 |
| 53 | }; |
| 54 | |
| 55 | enum { |
| 56 | POD_BUSY_READ, |
| 57 | POD_BUSY_WRITE, |
| 58 | POD_CHANNEL_DIRTY, |
| 59 | POD_SAVE_PRESSED, |
| 60 | POD_BUSY_MIDISEND |
| 61 | }; |
| 62 | |
| 63 | |
| 64 | static struct snd_ratden pod_ratden = { |
| 65 | .num_min = 78125, |
| 66 | .num_max = 78125, |
| 67 | .num_step = 1, |
| 68 | .den = 2 |
| 69 | }; |
| 70 | |
| 71 | static struct line6_pcm_properties pod_pcm_properties = { |
| 72 | .snd_line6_playback_hw = { |
| 73 | .info = (SNDRV_PCM_INFO_MMAP | |
| 74 | SNDRV_PCM_INFO_INTERLEAVED | |
| 75 | SNDRV_PCM_INFO_BLOCK_TRANSFER | |
| 76 | SNDRV_PCM_INFO_MMAP_VALID | |
| 77 | SNDRV_PCM_INFO_PAUSE | |
| 78 | SNDRV_PCM_INFO_SYNC_START), |
| 79 | .formats = SNDRV_PCM_FMTBIT_S24_3LE, |
| 80 | .rates = SNDRV_PCM_RATE_KNOT, |
| 81 | .rate_min = 39062, |
| 82 | .rate_max = 39063, |
| 83 | .channels_min = 2, |
| 84 | .channels_max = 2, |
| 85 | .buffer_bytes_max = 60000, |
| 86 | .period_bytes_min = LINE6_ISO_PACKET_SIZE_MAX * POD_BYTES_PER_FRAME, /* at least one URB must fit into one period */ |
| 87 | .period_bytes_max = 8192, |
| 88 | .periods_min = 1, |
| 89 | .periods_max = 1024 |
| 90 | }, |
| 91 | .snd_line6_capture_hw = { |
| 92 | .info = (SNDRV_PCM_INFO_MMAP | |
| 93 | SNDRV_PCM_INFO_INTERLEAVED | |
| 94 | SNDRV_PCM_INFO_BLOCK_TRANSFER | |
| 95 | SNDRV_PCM_INFO_MMAP_VALID | |
| 96 | SNDRV_PCM_INFO_SYNC_START), |
| 97 | .formats = SNDRV_PCM_FMTBIT_S24_3LE, |
| 98 | .rates = SNDRV_PCM_RATE_KNOT, |
| 99 | .rate_min = 39062, |
| 100 | .rate_max = 39063, |
| 101 | .channels_min = 2, |
| 102 | .channels_max = 2, |
| 103 | .buffer_bytes_max = 60000, |
| 104 | .period_bytes_min = LINE6_ISO_PACKET_SIZE_MAX * POD_BYTES_PER_FRAME, /* at least one URB must fit into one period */ |
| 105 | .period_bytes_max = 8192, |
| 106 | .periods_min = 1, |
| 107 | .periods_max = 1024 |
| 108 | }, |
| 109 | .snd_line6_rates = { |
| 110 | .nrats = 1, |
| 111 | .rats = &pod_ratden |
| 112 | }, |
| 113 | .bytes_per_frame = POD_BYTES_PER_FRAME |
| 114 | }; |
| 115 | |
| 116 | static const char pod_request_version[] = { 0xf0, 0x7e, 0x7f, 0x06, 0x01, 0xf7 }; |
| 117 | static const char pod_request_channel[] = { 0xf0, 0x00, 0x01, 0x0c, 0x03, 0x75, 0xf7 }; |
Greg Kroah-Hartman | 0fdef36 | 2009-02-27 22:41:29 -0800 | [diff] [blame] | 118 | static const char pod_version_header[] = { 0xf2, 0x7e, 0x7f, 0x06, 0x02 }; |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 119 | |
| 120 | |
| 121 | /* |
| 122 | Mark all parameters as dirty and notify waiting processes. |
| 123 | */ |
| 124 | static void pod_mark_batch_all_dirty(struct usb_line6_pod *pod) |
| 125 | { |
| 126 | int i; |
| 127 | |
Frederik Deweerdt | e1769b3 | 2009-09-14 08:51:38 +0000 | [diff] [blame] | 128 | for (i = 0; i < POD_CONTROL_SIZE; i++) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 129 | set_bit(i, pod->param_dirty); |
| 130 | } |
| 131 | |
| 132 | /* |
| 133 | Send an asynchronous request for the POD firmware version and device ID. |
| 134 | */ |
| 135 | static int pod_version_request_async(struct usb_line6_pod *pod) |
| 136 | { |
| 137 | return line6_send_raw_message_async(&pod->line6, pod->buffer_versionreq, sizeof(pod_request_version)); |
| 138 | } |
| 139 | |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 140 | static void pod_create_files_work(struct work_struct *work) |
| 141 | { |
| 142 | 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] | 143 | |
| 144 | pod_create_files(pod->firmware_version, pod->line6.properties->device_bit, pod->line6.ifcdev); |
| 145 | } |
| 146 | |
| 147 | static void pod_startup_timeout(unsigned long arg) |
| 148 | { |
| 149 | enum { |
| 150 | REQUEST_NONE, |
| 151 | REQUEST_DUMP, |
| 152 | REQUEST_VERSION |
| 153 | }; |
| 154 | |
| 155 | int request = REQUEST_NONE; |
| 156 | struct usb_line6_pod *pod = (struct usb_line6_pod *)arg; |
| 157 | |
Greg Kroah-Hartman | 0fdef36 | 2009-02-27 22:41:29 -0800 | [diff] [blame] | 158 | if (pod->dumpreq.ok) { |
| 159 | if (!pod->versionreq_ok) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 160 | request = REQUEST_VERSION; |
Greg Kroah-Hartman | 0fdef36 | 2009-02-27 22:41:29 -0800 | [diff] [blame] | 161 | } else { |
| 162 | if (pod->versionreq_ok) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 163 | request = REQUEST_DUMP; |
Greg Kroah-Hartman | 0fdef36 | 2009-02-27 22:41:29 -0800 | [diff] [blame] | 164 | else if (pod->startup_count++ & 1) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 165 | request = REQUEST_DUMP; |
| 166 | else |
| 167 | request = REQUEST_VERSION; |
| 168 | } |
| 169 | |
Greg Kroah-Hartman | 0fdef36 | 2009-02-27 22:41:29 -0800 | [diff] [blame] | 170 | switch (request) { |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 171 | case REQUEST_DUMP: |
| 172 | line6_dump_request_async(&pod->dumpreq, &pod->line6, 0); |
| 173 | break; |
| 174 | |
| 175 | case REQUEST_VERSION: |
| 176 | pod_version_request_async(pod); |
| 177 | break; |
| 178 | |
| 179 | default: |
| 180 | return; |
| 181 | } |
| 182 | |
| 183 | line6_startup_delayed(&pod->dumpreq, 1, pod_startup_timeout, pod); |
| 184 | } |
| 185 | |
| 186 | static char *pod_alloc_sysex_buffer(struct usb_line6_pod *pod, int code, int size) |
| 187 | { |
| 188 | return line6_alloc_sysex_buffer(&pod->line6, POD_SYSEX_CODE, code, size); |
| 189 | } |
| 190 | |
| 191 | /* |
| 192 | Send channel dump data to the PODxt Pro. |
| 193 | */ |
| 194 | static void pod_dump(struct usb_line6_pod *pod, const unsigned char *data) |
| 195 | { |
| 196 | int size = 1 + sizeof(pod->prog_data); |
| 197 | char *sysex = pod_alloc_sysex_buffer(pod, POD_SYSEX_DUMP, size); |
Greg Kroah-Hartman | 0fdef36 | 2009-02-27 22:41:29 -0800 | [diff] [blame] | 198 | if (!sysex) |
| 199 | return; |
| 200 | /* Don't know what this is good for, but PODxt Pro transmits it, so we |
| 201 | * also do... */ |
| 202 | sysex[SYSEX_DATA_OFS] = 5; |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 203 | memcpy(sysex + SYSEX_DATA_OFS + 1, data, sizeof(pod->prog_data)); |
| 204 | line6_send_sysex_message(&pod->line6, sysex, size); |
| 205 | memcpy(&pod->prog_data, data, sizeof(pod->prog_data)); |
| 206 | pod_mark_batch_all_dirty(pod); |
| 207 | kfree(sysex); |
| 208 | } |
| 209 | |
| 210 | /* |
| 211 | Store parameter value in driver memory and mark it as dirty. |
| 212 | */ |
| 213 | static void pod_store_parameter(struct usb_line6_pod *pod, int param, int value) |
| 214 | { |
| 215 | pod->prog_data.control[param] = value; |
| 216 | set_bit(param, pod->param_dirty); |
| 217 | pod->dirty = 1; |
| 218 | } |
| 219 | |
| 220 | /* |
| 221 | Handle SAVE button |
| 222 | */ |
| 223 | static void pod_save_button_pressed(struct usb_line6_pod *pod, int type, int index) |
| 224 | { |
| 225 | pod->dirty = 0; |
| 226 | set_bit(POD_SAVE_PRESSED, &pod->atomic_flags); |
| 227 | } |
| 228 | |
| 229 | /* |
| 230 | Process a completely received message. |
| 231 | */ |
| 232 | void pod_process_message(struct usb_line6_pod *pod) |
| 233 | { |
| 234 | const unsigned char *buf = pod->line6.buffer_message; |
| 235 | |
| 236 | /* filter messages by type */ |
Greg Kroah-Hartman | 0fdef36 | 2009-02-27 22:41:29 -0800 | [diff] [blame] | 237 | switch (buf[0] & 0xf0) { |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 238 | case LINE6_PARAM_CHANGE: |
| 239 | case LINE6_PROGRAM_CHANGE: |
| 240 | case LINE6_SYSEX_BEGIN: |
| 241 | break; /* handle these further down */ |
| 242 | |
| 243 | default: |
| 244 | return; /* ignore all others */ |
| 245 | } |
| 246 | |
| 247 | /* process all remaining messages */ |
Greg Kroah-Hartman | 0fdef36 | 2009-02-27 22:41:29 -0800 | [diff] [blame] | 248 | switch (buf[0]) { |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 249 | case LINE6_PARAM_CHANGE | LINE6_CHANNEL_DEVICE: |
| 250 | pod_store_parameter(pod, buf[1], buf[2]); |
| 251 | /* intentionally no break here! */ |
| 252 | |
| 253 | case LINE6_PARAM_CHANGE | LINE6_CHANNEL_HOST: |
Greg Kroah-Hartman | 0fdef36 | 2009-02-27 22:41:29 -0800 | [diff] [blame] | 254 | if ((buf[1] == POD_amp_model_setup) || |
| 255 | (buf[1] == POD_effect_setup)) |
| 256 | /* these also affect other settings */ |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 257 | line6_dump_request_async(&pod->dumpreq, &pod->line6, 0); |
| 258 | |
| 259 | break; |
| 260 | |
| 261 | case LINE6_PROGRAM_CHANGE | LINE6_CHANNEL_DEVICE: |
| 262 | case LINE6_PROGRAM_CHANGE | LINE6_CHANNEL_HOST: |
| 263 | pod->channel_num = buf[1]; |
| 264 | pod->dirty = 0; |
| 265 | set_bit(POD_CHANNEL_DIRTY, &pod->atomic_flags); |
| 266 | line6_dump_request_async(&pod->dumpreq, &pod->line6, 0); |
| 267 | break; |
| 268 | |
| 269 | case LINE6_SYSEX_BEGIN | LINE6_CHANNEL_DEVICE: |
| 270 | case LINE6_SYSEX_BEGIN | LINE6_CHANNEL_UNKNOWN: |
Greg Kroah-Hartman | 0fdef36 | 2009-02-27 22:41:29 -0800 | [diff] [blame] | 271 | if (memcmp(buf + 1, line6_midi_id, sizeof(line6_midi_id)) == 0) { |
| 272 | switch (buf[5]) { |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 273 | case POD_SYSEX_DUMP: |
Greg Kroah-Hartman | 0fdef36 | 2009-02-27 22:41:29 -0800 | [diff] [blame] | 274 | if (pod->line6.message_length == sizeof(pod->prog_data) + 7) { |
| 275 | switch (pod->dumpreq.in_progress) { |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 276 | case LINE6_DUMP_CURRENT: |
| 277 | memcpy(&pod->prog_data, buf + 7, sizeof(pod->prog_data)); |
| 278 | pod_mark_batch_all_dirty(pod); |
| 279 | pod->dumpreq.ok = 1; |
| 280 | break; |
| 281 | |
| 282 | case POD_DUMP_MEMORY: |
| 283 | memcpy(&pod->prog_data_buf, buf + 7, sizeof(pod->prog_data_buf)); |
| 284 | break; |
| 285 | |
| 286 | default: |
| 287 | DEBUG_MESSAGES(dev_err(pod->line6.ifcdev, "unknown dump code %02X\n", pod->dumpreq.in_progress)); |
| 288 | } |
| 289 | |
| 290 | line6_dump_finished(&pod->dumpreq); |
Greg Kroah-Hartman | 0fdef36 | 2009-02-27 22:41:29 -0800 | [diff] [blame] | 291 | } else |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 292 | DEBUG_MESSAGES(dev_err(pod->line6.ifcdev, "wrong size of channel dump message (%d instead of %d)\n", |
| 293 | pod->line6.message_length, (int)sizeof(pod->prog_data) + 7)); |
| 294 | |
| 295 | break; |
| 296 | |
| 297 | case POD_SYSEX_SYSTEM: { |
| 298 | short value = ((int)buf[7] << 12) | ((int)buf[8] << 8) | ((int)buf[9] << 4) | (int)buf[10]; |
| 299 | |
| 300 | #define PROCESS_SYSTEM_PARAM(x) \ |
| 301 | case POD_ ## x: \ |
| 302 | pod->x.value = value; \ |
| 303 | wake_up_interruptible(&pod->x.wait); \ |
| 304 | break; |
| 305 | |
Greg Kroah-Hartman | 0fdef36 | 2009-02-27 22:41:29 -0800 | [diff] [blame] | 306 | switch (buf[6]) { |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 307 | PROCESS_SYSTEM_PARAM(monitor_level); |
| 308 | PROCESS_SYSTEM_PARAM(routing); |
| 309 | PROCESS_SYSTEM_PARAM(tuner_mute); |
| 310 | PROCESS_SYSTEM_PARAM(tuner_freq); |
| 311 | PROCESS_SYSTEM_PARAM(tuner_note); |
| 312 | PROCESS_SYSTEM_PARAM(tuner_pitch); |
| 313 | |
| 314 | #undef PROCESS_SYSTEM_PARAM |
| 315 | |
| 316 | default: |
| 317 | DEBUG_MESSAGES(dev_err(pod->line6.ifcdev, "unknown tuner/system response %02X\n", buf[6])); |
| 318 | } |
| 319 | |
| 320 | break; |
| 321 | } |
| 322 | |
| 323 | case POD_SYSEX_FINISH: |
| 324 | /* do we need to respond to this? */ |
| 325 | break; |
| 326 | |
| 327 | case POD_SYSEX_SAVE: |
| 328 | pod_save_button_pressed(pod, buf[6], buf[7]); |
| 329 | break; |
| 330 | |
| 331 | case POD_SYSEX_CLIP: |
| 332 | DEBUG_MESSAGES(dev_err(pod->line6.ifcdev, "audio clipped\n")); |
| 333 | pod->clipping.value = 1; |
| 334 | wake_up_interruptible(&pod->clipping.wait); |
| 335 | break; |
| 336 | |
| 337 | case POD_SYSEX_STORE: |
| 338 | DEBUG_MESSAGES(dev_err(pod->line6.ifcdev, "message %02X not yet implemented\n", buf[5])); |
| 339 | break; |
| 340 | |
| 341 | default: |
| 342 | DEBUG_MESSAGES(dev_err(pod->line6.ifcdev, "unknown sysex message %02X\n", buf[5])); |
| 343 | } |
Greg Kroah-Hartman | 0fdef36 | 2009-02-27 22:41:29 -0800 | [diff] [blame] | 344 | } else if (memcmp(buf, pod_version_header, sizeof(pod_version_header)) == 0) { |
| 345 | if (pod->versionreq_ok == 0) { |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 346 | pod->firmware_version = buf[13] * 100 + buf[14] * 10 + buf[15]; |
| 347 | pod->device_id = ((int)buf[8] << 16) | ((int)buf[9] << 8) | (int)buf[10]; |
| 348 | pod->versionreq_ok = 1; |
| 349 | |
| 350 | /* Now we know the firmware version, so we schedule a bottom half |
| 351 | handler to create the special files: */ |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 352 | INIT_WORK(&pod->create_files_work, pod_create_files_work); |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 353 | queue_work(line6_workqueue, &pod->create_files_work); |
Greg Kroah-Hartman | 0fdef36 | 2009-02-27 22:41:29 -0800 | [diff] [blame] | 354 | } else |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 355 | DEBUG_MESSAGES(dev_err(pod->line6.ifcdev, "multiple firmware version message\n")); |
Greg Kroah-Hartman | 0fdef36 | 2009-02-27 22:41:29 -0800 | [diff] [blame] | 356 | } else |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 357 | DEBUG_MESSAGES(dev_err(pod->line6.ifcdev, "unknown sysex header\n")); |
| 358 | |
| 359 | break; |
| 360 | |
| 361 | case LINE6_SYSEX_END: |
| 362 | break; |
| 363 | |
| 364 | default: |
| 365 | DEBUG_MESSAGES(dev_err(pod->line6.ifcdev, "POD: unknown message %02X\n", buf[0])); |
| 366 | } |
| 367 | } |
| 368 | |
| 369 | /* |
| 370 | Detect some cases that require a channel dump after sending a command to the |
| 371 | device. Important notes: |
| 372 | *) The actual dump request can not be sent here since we are not allowed to |
| 373 | wait for the completion of the first message in this context, and sending |
| 374 | the dump request before completion of the previous message leaves the POD |
| 375 | in an undefined state. The dump request will be sent when the echoed |
| 376 | commands are received. |
| 377 | *) This method fails if a param change message is "chopped" after the first |
| 378 | byte. |
| 379 | */ |
| 380 | void pod_midi_postprocess(struct usb_line6_pod *pod, unsigned char *data, int length) |
| 381 | { |
| 382 | int i; |
| 383 | |
Greg Kroah-Hartman | 0fdef36 | 2009-02-27 22:41:29 -0800 | [diff] [blame] | 384 | if (!pod->midi_postprocess) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 385 | return; |
| 386 | |
Greg Kroah-Hartman | 0fdef36 | 2009-02-27 22:41:29 -0800 | [diff] [blame] | 387 | for (i = 0; i < length; ++i) { |
| 388 | if (data[i] == (LINE6_PROGRAM_CHANGE | LINE6_CHANNEL_HOST)) { |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 389 | line6_invalidate_current(&pod->dumpreq); |
| 390 | break; |
Greg Kroah-Hartman | 0fdef36 | 2009-02-27 22:41:29 -0800 | [diff] [blame] | 391 | } else if ((data[i] == (LINE6_PARAM_CHANGE | LINE6_CHANNEL_HOST)) && (i < length - 1)) |
| 392 | if ((data[i + 1] == POD_amp_model_setup) || (data[i + 1] == POD_effect_setup)) { |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 393 | line6_invalidate_current(&pod->dumpreq); |
| 394 | break; |
| 395 | } |
| 396 | } |
| 397 | } |
| 398 | |
| 399 | /* |
| 400 | Send channel number (i.e., switch to a different sound). |
| 401 | */ |
Greg Kroah-Hartman | b702ed25 | 2009-02-27 20:45:03 -0800 | [diff] [blame] | 402 | static void pod_send_channel(struct usb_line6_pod *pod, int value) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 403 | { |
| 404 | line6_invalidate_current(&pod->dumpreq); |
| 405 | |
Greg Kroah-Hartman | 0fdef36 | 2009-02-27 22:41:29 -0800 | [diff] [blame] | 406 | if (line6_send_program(&pod->line6, value) == 0) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 407 | pod->channel_num = value; |
| 408 | else |
| 409 | line6_dump_finished(&pod->dumpreq); |
| 410 | } |
| 411 | |
| 412 | /* |
| 413 | Transmit PODxt Pro control parameter. |
| 414 | */ |
| 415 | void pod_transmit_parameter(struct usb_line6_pod *pod, int param, int value) |
| 416 | { |
Greg Kroah-Hartman | 0fdef36 | 2009-02-27 22:41:29 -0800 | [diff] [blame] | 417 | if (line6_transmit_parameter(&pod->line6, param, value) == 0) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 418 | pod_store_parameter(pod, param, value); |
| 419 | |
Greg Kroah-Hartman | 0fdef36 | 2009-02-27 22:41:29 -0800 | [diff] [blame] | 420 | if ((param == POD_amp_model_setup) || (param == POD_effect_setup)) /* these also affect other settings */ |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 421 | line6_invalidate_current(&pod->dumpreq); |
| 422 | } |
| 423 | |
| 424 | /* |
| 425 | Resolve value to memory location. |
| 426 | */ |
Shawn Bohrer | 7e4d5c1 | 2009-11-15 22:18:01 -0600 | [diff] [blame] | 427 | static int pod_resolve(const char *buf, short block0, short block1, unsigned char *location) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 428 | { |
Shawn Bohrer | 7e4d5c1 | 2009-11-15 22:18:01 -0600 | [diff] [blame] | 429 | unsigned long value; |
| 430 | short block; |
| 431 | int ret; |
| 432 | |
| 433 | ret = strict_strtoul(buf, 10, &value); |
| 434 | if (ret) |
| 435 | return ret; |
| 436 | |
| 437 | block = (value < 0x40) ? block0 : block1; |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 438 | value &= 0x3f; |
| 439 | location[0] = block >> 7; |
| 440 | location[1] = value | (block & 0x7f); |
Shawn Bohrer | 7e4d5c1 | 2009-11-15 22:18:01 -0600 | [diff] [blame] | 441 | return 0; |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 442 | } |
| 443 | |
| 444 | /* |
| 445 | Send command to store channel/effects setup/amp setup to PODxt Pro. |
| 446 | */ |
| 447 | static ssize_t pod_send_store_command(struct device *dev, const char *buf, size_t count, short block0, short block1) |
| 448 | { |
| 449 | struct usb_interface *interface = to_usb_interface(dev); |
| 450 | struct usb_line6_pod *pod = usb_get_intfdata(interface); |
Shawn Bohrer | 7e4d5c1 | 2009-11-15 22:18:01 -0600 | [diff] [blame] | 451 | int ret; |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 452 | int size = 3 + sizeof(pod->prog_data_buf); |
| 453 | char *sysex = pod_alloc_sysex_buffer(pod, POD_SYSEX_STORE, size); |
Shawn Bohrer | 7e4d5c1 | 2009-11-15 22:18:01 -0600 | [diff] [blame] | 454 | |
Greg Kroah-Hartman | 0fdef36 | 2009-02-27 22:41:29 -0800 | [diff] [blame] | 455 | if (!sysex) |
| 456 | return 0; |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 457 | |
| 458 | sysex[SYSEX_DATA_OFS] = 5; /* see pod_dump() */ |
Shawn Bohrer | 7e4d5c1 | 2009-11-15 22:18:01 -0600 | [diff] [blame] | 459 | ret = pod_resolve(buf, block0, block1, sysex + SYSEX_DATA_OFS + 1); |
| 460 | if (ret) { |
| 461 | kfree(sysex); |
| 462 | return ret; |
| 463 | } |
| 464 | |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 465 | memcpy(sysex + SYSEX_DATA_OFS + 3, &pod->prog_data_buf, sizeof(pod->prog_data_buf)); |
| 466 | |
| 467 | line6_send_sysex_message(&pod->line6, sysex, size); |
| 468 | kfree(sysex); |
| 469 | /* needs some delay here on AMD64 platform */ |
| 470 | return count; |
| 471 | } |
| 472 | |
| 473 | /* |
| 474 | Send command to retrieve channel/effects setup/amp setup to PODxt Pro. |
| 475 | */ |
| 476 | static ssize_t pod_send_retrieve_command(struct device *dev, const char *buf, size_t count, short block0, short block1) |
| 477 | { |
| 478 | struct usb_interface *interface = to_usb_interface(dev); |
| 479 | struct usb_line6_pod *pod = usb_get_intfdata(interface); |
Shawn Bohrer | 7e4d5c1 | 2009-11-15 22:18:01 -0600 | [diff] [blame] | 480 | int ret; |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 481 | int size = 4; |
| 482 | char *sysex = pod_alloc_sysex_buffer(pod, POD_SYSEX_DUMPMEM, size); |
Greg Kroah-Hartman | 0fdef36 | 2009-02-27 22:41:29 -0800 | [diff] [blame] | 483 | |
| 484 | if (!sysex) |
| 485 | return 0; |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 486 | |
Shawn Bohrer | 7e4d5c1 | 2009-11-15 22:18:01 -0600 | [diff] [blame] | 487 | ret = pod_resolve(buf, block0, block1, sysex + SYSEX_DATA_OFS); |
| 488 | if (ret) { |
| 489 | kfree(sysex); |
| 490 | return ret; |
| 491 | } |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 492 | sysex[SYSEX_DATA_OFS + 2] = 0; |
| 493 | sysex[SYSEX_DATA_OFS + 3] = 0; |
| 494 | line6_dump_started(&pod->dumpreq, POD_DUMP_MEMORY); |
| 495 | |
Greg Kroah-Hartman | 0fdef36 | 2009-02-27 22:41:29 -0800 | [diff] [blame] | 496 | if (line6_send_sysex_message(&pod->line6, sysex, size) < size) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 497 | line6_dump_finished(&pod->dumpreq); |
| 498 | |
| 499 | kfree(sysex); |
| 500 | /* needs some delay here on AMD64 platform */ |
| 501 | return count; |
| 502 | } |
| 503 | |
| 504 | /* |
| 505 | Generic get name function. |
| 506 | */ |
| 507 | static ssize_t get_name_generic(struct usb_line6_pod *pod, const char *str, char *buf) |
| 508 | { |
| 509 | int length = 0; |
| 510 | const char *p1; |
| 511 | char *p2; |
| 512 | char *last_non_space = buf; |
| 513 | |
| 514 | int retval = line6_wait_dump(&pod->dumpreq, 0); |
Greg Kroah-Hartman | 0fdef36 | 2009-02-27 22:41:29 -0800 | [diff] [blame] | 515 | if (retval < 0) |
| 516 | return retval; |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 517 | |
Greg Kroah-Hartman | 0fdef36 | 2009-02-27 22:41:29 -0800 | [diff] [blame] | 518 | for (p1 = str, p2 = buf; *p1; ++p1, ++p2) { |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 519 | *p2 = *p1; |
Greg Kroah-Hartman | 0fdef36 | 2009-02-27 22:41:29 -0800 | [diff] [blame] | 520 | if (*p2 != ' ') |
| 521 | last_non_space = p2; |
| 522 | if (++length == POD_NAME_LENGTH) |
| 523 | break; |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 524 | } |
| 525 | |
| 526 | *(last_non_space + 1) = '\n'; |
| 527 | return last_non_space - buf + 2; |
| 528 | } |
| 529 | |
| 530 | /* |
| 531 | "read" request on "channel" special file. |
| 532 | */ |
Greg Kroah-Hartman | 77491e5 | 2009-02-27 20:25:43 -0800 | [diff] [blame] | 533 | static ssize_t pod_get_channel(struct device *dev, |
| 534 | struct device_attribute *attr, 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 sprintf(buf, "%d\n", pod->channel_num); |
| 539 | } |
| 540 | |
| 541 | /* |
| 542 | "write" request on "channel" special file. |
| 543 | */ |
Greg Kroah-Hartman | 77491e5 | 2009-02-27 20:25:43 -0800 | [diff] [blame] | 544 | static ssize_t pod_set_channel(struct device *dev, |
| 545 | struct device_attribute *attr, |
| 546 | const char *buf, size_t count) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 547 | { |
| 548 | struct usb_interface *interface = to_usb_interface(dev); |
| 549 | struct usb_line6_pod *pod = usb_get_intfdata(interface); |
Shawn Bohrer | 7e4d5c1 | 2009-11-15 22:18:01 -0600 | [diff] [blame] | 550 | unsigned long value; |
| 551 | int ret; |
| 552 | |
| 553 | ret = strict_strtoul(buf, 10, &value); |
| 554 | if (ret) |
| 555 | return ret; |
| 556 | |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 557 | pod_send_channel(pod, value); |
| 558 | return count; |
| 559 | } |
| 560 | |
| 561 | /* |
| 562 | "read" request on "name" special file. |
| 563 | */ |
Greg Kroah-Hartman | 77491e5 | 2009-02-27 20:25:43 -0800 | [diff] [blame] | 564 | static ssize_t pod_get_name(struct device *dev, struct device_attribute *attr, |
| 565 | char *buf) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 566 | { |
| 567 | struct usb_interface *interface = to_usb_interface(dev); |
| 568 | struct usb_line6_pod *pod = usb_get_intfdata(interface); |
| 569 | return get_name_generic(pod, pod->prog_data.header + POD_NAME_OFFSET, buf); |
| 570 | } |
| 571 | |
| 572 | /* |
| 573 | "read" request on "name" special file. |
| 574 | */ |
Greg Kroah-Hartman | 77491e5 | 2009-02-27 20:25:43 -0800 | [diff] [blame] | 575 | static ssize_t pod_get_name_buf(struct device *dev, |
| 576 | struct device_attribute *attr, char *buf) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 577 | { |
| 578 | struct usb_interface *interface = to_usb_interface(dev); |
| 579 | struct usb_line6_pod *pod = usb_get_intfdata(interface); |
| 580 | return get_name_generic(pod, pod->prog_data_buf.header + POD_NAME_OFFSET, buf); |
| 581 | } |
| 582 | |
| 583 | /* |
| 584 | "read" request on "dump" special file. |
| 585 | */ |
Greg Kroah-Hartman | 77491e5 | 2009-02-27 20:25:43 -0800 | [diff] [blame] | 586 | static ssize_t pod_get_dump(struct device *dev, struct device_attribute *attr, |
| 587 | char *buf) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 588 | { |
| 589 | struct usb_interface *interface = to_usb_interface(dev); |
| 590 | struct usb_line6_pod *pod = usb_get_intfdata(interface); |
| 591 | int retval = line6_wait_dump(&pod->dumpreq, 0); |
Greg Kroah-Hartman | 0fdef36 | 2009-02-27 22:41:29 -0800 | [diff] [blame] | 592 | if (retval < 0) |
| 593 | return retval; |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 594 | memcpy(buf, &pod->prog_data, sizeof(pod->prog_data)); |
| 595 | return sizeof(pod->prog_data); |
| 596 | } |
| 597 | |
| 598 | /* |
| 599 | "write" request on "dump" special file. |
| 600 | */ |
Greg Kroah-Hartman | 77491e5 | 2009-02-27 20:25:43 -0800 | [diff] [blame] | 601 | static ssize_t pod_set_dump(struct device *dev, struct device_attribute *attr, |
| 602 | const char *buf, size_t count) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 603 | { |
| 604 | struct usb_interface *interface = to_usb_interface(dev); |
| 605 | struct usb_line6_pod *pod = usb_get_intfdata(interface); |
| 606 | |
Greg Kroah-Hartman | 0fdef36 | 2009-02-27 22:41:29 -0800 | [diff] [blame] | 607 | if (count != sizeof(pod->prog_data)) { |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 608 | dev_err(pod->line6.ifcdev, |
Randy Dunlap | 034f585 | 2009-11-12 15:46:01 -0800 | [diff] [blame] | 609 | "data block must be exactly %zu bytes\n", |
Frederik Deweerdt | e1769b3 | 2009-09-14 08:51:38 +0000 | [diff] [blame] | 610 | sizeof(pod->prog_data)); |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 611 | return -EINVAL; |
| 612 | } |
| 613 | |
| 614 | pod_dump(pod, buf); |
| 615 | return sizeof(pod->prog_data); |
| 616 | } |
| 617 | |
| 618 | /* |
| 619 | Request system parameter. |
| 620 | @param tuner non-zero, if code refers to a tuner parameter |
| 621 | */ |
| 622 | static ssize_t pod_get_system_param(struct usb_line6_pod *pod, char *buf, int code, struct ValueWait *param, int tuner, int sign) |
| 623 | { |
| 624 | char *sysex; |
| 625 | int value; |
| 626 | static const int size = 1; |
| 627 | int retval = 0; |
| 628 | DECLARE_WAITQUEUE(wait, current); |
| 629 | |
Greg Kroah-Hartman | 0fdef36 | 2009-02-27 22:41:29 -0800 | [diff] [blame] | 630 | if (((pod->prog_data.control[POD_tuner] & 0x40) == 0) && tuner) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 631 | return -ENODEV; |
| 632 | |
| 633 | /* send value request to tuner: */ |
| 634 | param->value = POD_system_invalid; |
| 635 | sysex = pod_alloc_sysex_buffer(pod, POD_SYSEX_SYSTEMREQ, size); |
Greg Kroah-Hartman | 0fdef36 | 2009-02-27 22:41:29 -0800 | [diff] [blame] | 636 | if (!sysex) |
| 637 | return 0; |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 638 | sysex[SYSEX_DATA_OFS] = code; |
| 639 | line6_send_sysex_message(&pod->line6, sysex, size); |
| 640 | kfree(sysex); |
| 641 | |
| 642 | /* wait for tuner to respond: */ |
| 643 | add_wait_queue(¶m->wait, &wait); |
| 644 | current->state = TASK_INTERRUPTIBLE; |
| 645 | |
Greg Kroah-Hartman | 0fdef36 | 2009-02-27 22:41:29 -0800 | [diff] [blame] | 646 | while (param->value == POD_system_invalid) { |
| 647 | if (signal_pending(current)) { |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 648 | retval = -ERESTARTSYS; |
| 649 | break; |
Greg Kroah-Hartman | 0fdef36 | 2009-02-27 22:41:29 -0800 | [diff] [blame] | 650 | } else |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 651 | schedule(); |
| 652 | } |
| 653 | |
| 654 | current->state = TASK_RUNNING; |
| 655 | remove_wait_queue(¶m->wait, &wait); |
| 656 | |
Greg Kroah-Hartman | 0fdef36 | 2009-02-27 22:41:29 -0800 | [diff] [blame] | 657 | if (retval < 0) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 658 | return retval; |
| 659 | |
| 660 | value = sign ? (int)(signed short)param->value : (int)(unsigned short)param->value; |
| 661 | return sprintf(buf, "%d\n", value); |
| 662 | } |
| 663 | |
| 664 | /* |
| 665 | Send system parameter. |
| 666 | @param tuner non-zero, if code refers to a tuner parameter |
| 667 | */ |
Greg Kroah-Hartman | 0fdef36 | 2009-02-27 22:41:29 -0800 | [diff] [blame] | 668 | static ssize_t pod_set_system_param(struct usb_line6_pod *pod, const char *buf, |
| 669 | int count, int code, unsigned short mask, |
| 670 | int tuner) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 671 | { |
| 672 | char *sysex; |
| 673 | static const int size = 5; |
| 674 | unsigned short value; |
Shawn Bohrer | 7e4d5c1 | 2009-11-15 22:18:01 -0600 | [diff] [blame] | 675 | unsigned long result; |
| 676 | int ret; |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 677 | |
Greg Kroah-Hartman | 0fdef36 | 2009-02-27 22:41:29 -0800 | [diff] [blame] | 678 | if (((pod->prog_data.control[POD_tuner] & 0x40) == 0) && tuner) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 679 | return -EINVAL; |
| 680 | |
| 681 | /* send value to tuner: */ |
| 682 | sysex = pod_alloc_sysex_buffer(pod, POD_SYSEX_SYSTEM, size); |
Greg Kroah-Hartman | 0fdef36 | 2009-02-27 22:41:29 -0800 | [diff] [blame] | 683 | if (!sysex) |
| 684 | return 0; |
Shawn Bohrer | 7e4d5c1 | 2009-11-15 22:18:01 -0600 | [diff] [blame] | 685 | |
| 686 | ret = strict_strtoul(buf, 10, &result); |
| 687 | if (ret) |
| 688 | return ret; |
| 689 | |
| 690 | value = result & mask; |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 691 | sysex[SYSEX_DATA_OFS] = code; |
| 692 | sysex[SYSEX_DATA_OFS + 1] = (value >> 12) & 0x0f; |
| 693 | sysex[SYSEX_DATA_OFS + 2] = (value >> 8) & 0x0f; |
| 694 | sysex[SYSEX_DATA_OFS + 3] = (value >> 4) & 0x0f; |
| 695 | sysex[SYSEX_DATA_OFS + 4] = (value ) & 0x0f; |
| 696 | line6_send_sysex_message(&pod->line6, sysex, size); |
| 697 | kfree(sysex); |
| 698 | return count; |
| 699 | } |
| 700 | |
| 701 | /* |
| 702 | "read" request on "dump_buf" special file. |
| 703 | */ |
Greg Kroah-Hartman | 77491e5 | 2009-02-27 20:25:43 -0800 | [diff] [blame] | 704 | static ssize_t pod_get_dump_buf(struct device *dev, |
| 705 | struct device_attribute *attr, char *buf) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 706 | { |
| 707 | struct usb_interface *interface = to_usb_interface(dev); |
| 708 | struct usb_line6_pod *pod = usb_get_intfdata(interface); |
| 709 | int retval = line6_wait_dump(&pod->dumpreq, 0); |
Greg Kroah-Hartman | 0fdef36 | 2009-02-27 22:41:29 -0800 | [diff] [blame] | 710 | if (retval < 0) |
| 711 | return retval; |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 712 | memcpy(buf, &pod->prog_data_buf, sizeof(pod->prog_data_buf)); |
| 713 | return sizeof(pod->prog_data_buf); |
| 714 | } |
| 715 | |
| 716 | /* |
| 717 | "write" request on "dump_buf" special file. |
| 718 | */ |
Greg Kroah-Hartman | 77491e5 | 2009-02-27 20:25:43 -0800 | [diff] [blame] | 719 | static ssize_t pod_set_dump_buf(struct device *dev, |
| 720 | struct device_attribute *attr, |
| 721 | const char *buf, size_t count) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 722 | { |
| 723 | struct usb_interface *interface = to_usb_interface(dev); |
| 724 | struct usb_line6_pod *pod = usb_get_intfdata(interface); |
| 725 | |
Greg Kroah-Hartman | 0fdef36 | 2009-02-27 22:41:29 -0800 | [diff] [blame] | 726 | if (count != sizeof(pod->prog_data)) { |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 727 | dev_err(pod->line6.ifcdev, |
Randy Dunlap | 034f585 | 2009-11-12 15:46:01 -0800 | [diff] [blame] | 728 | "data block must be exactly %zu bytes\n", |
Frederik Deweerdt | e1769b3 | 2009-09-14 08:51:38 +0000 | [diff] [blame] | 729 | sizeof(pod->prog_data)); |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 730 | return -EINVAL; |
| 731 | } |
| 732 | |
| 733 | memcpy(&pod->prog_data_buf, buf, sizeof(pod->prog_data)); |
| 734 | return sizeof(pod->prog_data); |
| 735 | } |
| 736 | |
| 737 | /* |
| 738 | "write" request on "finish" special file. |
| 739 | */ |
Greg Kroah-Hartman | 77491e5 | 2009-02-27 20:25:43 -0800 | [diff] [blame] | 740 | static ssize_t pod_set_finish(struct device *dev, |
| 741 | struct device_attribute *attr, |
| 742 | const char *buf, size_t count) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 743 | { |
| 744 | struct usb_interface *interface = to_usb_interface(dev); |
| 745 | struct usb_line6_pod *pod = usb_get_intfdata(interface); |
| 746 | int size = 0; |
| 747 | char *sysex = pod_alloc_sysex_buffer(pod, POD_SYSEX_FINISH, size); |
Greg Kroah-Hartman | 0fdef36 | 2009-02-27 22:41:29 -0800 | [diff] [blame] | 748 | if (!sysex) |
| 749 | return 0; |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 750 | line6_send_sysex_message(&pod->line6, sysex, size); |
| 751 | kfree(sysex); |
| 752 | return count; |
| 753 | } |
| 754 | |
| 755 | /* |
| 756 | "write" request on "store_channel" special file. |
| 757 | */ |
Greg Kroah-Hartman | 77491e5 | 2009-02-27 20:25:43 -0800 | [diff] [blame] | 758 | static ssize_t pod_set_store_channel(struct device *dev, |
| 759 | struct device_attribute *attr, |
| 760 | const char *buf, size_t count) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 761 | { |
| 762 | return pod_send_store_command(dev, buf, count, 0x0000, 0x00c0); |
| 763 | } |
| 764 | |
| 765 | /* |
| 766 | "write" request on "store_effects_setup" special file. |
| 767 | */ |
Greg Kroah-Hartman | 77491e5 | 2009-02-27 20:25:43 -0800 | [diff] [blame] | 768 | static ssize_t pod_set_store_effects_setup(struct device *dev, |
| 769 | struct device_attribute *attr, |
| 770 | const char *buf, size_t count) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 771 | { |
| 772 | return pod_send_store_command(dev, buf, count, 0x0080, 0x0080); |
| 773 | } |
| 774 | |
| 775 | /* |
| 776 | "write" request on "store_amp_setup" special file. |
| 777 | */ |
Greg Kroah-Hartman | 77491e5 | 2009-02-27 20:25:43 -0800 | [diff] [blame] | 778 | static ssize_t pod_set_store_amp_setup(struct device *dev, |
| 779 | struct device_attribute *attr, |
| 780 | const char *buf, size_t count) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 781 | { |
| 782 | return pod_send_store_command(dev, buf, count, 0x0040, 0x0100); |
| 783 | } |
| 784 | |
| 785 | /* |
| 786 | "write" request on "retrieve_channel" special file. |
| 787 | */ |
Greg Kroah-Hartman | 77491e5 | 2009-02-27 20:25:43 -0800 | [diff] [blame] | 788 | static ssize_t pod_set_retrieve_channel(struct device *dev, |
| 789 | struct device_attribute *attr, |
| 790 | const char *buf, size_t count) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 791 | { |
| 792 | return pod_send_retrieve_command(dev, buf, count, 0x0000, 0x00c0); |
| 793 | } |
| 794 | |
| 795 | /* |
| 796 | "write" request on "retrieve_effects_setup" special file. |
| 797 | */ |
Greg Kroah-Hartman | 77491e5 | 2009-02-27 20:25:43 -0800 | [diff] [blame] | 798 | static ssize_t pod_set_retrieve_effects_setup(struct device *dev, |
| 799 | struct device_attribute *attr, |
| 800 | const char *buf, size_t count) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 801 | { |
| 802 | return pod_send_retrieve_command(dev, buf, count, 0x0080, 0x0080); |
| 803 | } |
| 804 | |
| 805 | /* |
| 806 | "write" request on "retrieve_amp_setup" special file. |
| 807 | */ |
Greg Kroah-Hartman | 77491e5 | 2009-02-27 20:25:43 -0800 | [diff] [blame] | 808 | static ssize_t pod_set_retrieve_amp_setup(struct device *dev, |
| 809 | struct device_attribute *attr, |
| 810 | const char *buf, size_t count) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 811 | { |
| 812 | return pod_send_retrieve_command(dev, buf, count, 0x0040, 0x0100); |
| 813 | } |
| 814 | |
| 815 | /* |
| 816 | "read" request on "dirty" special file. |
| 817 | */ |
Greg Kroah-Hartman | 77491e5 | 2009-02-27 20:25:43 -0800 | [diff] [blame] | 818 | static ssize_t pod_get_dirty(struct device *dev, struct device_attribute *attr, |
| 819 | char *buf) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 820 | { |
| 821 | struct usb_interface *interface = to_usb_interface(dev); |
| 822 | struct usb_line6_pod *pod = usb_get_intfdata(interface); |
| 823 | buf[0] = pod->dirty ? '1' : '0'; |
| 824 | buf[1] = '\n'; |
| 825 | return 2; |
| 826 | } |
| 827 | |
| 828 | /* |
| 829 | "read" request on "midi_postprocess" special file. |
| 830 | */ |
Greg Kroah-Hartman | 77491e5 | 2009-02-27 20:25:43 -0800 | [diff] [blame] | 831 | static ssize_t pod_get_midi_postprocess(struct device *dev, |
| 832 | struct device_attribute *attr, |
| 833 | char *buf) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 834 | { |
| 835 | struct usb_interface *interface = to_usb_interface(dev); |
| 836 | struct usb_line6_pod *pod = usb_get_intfdata(interface); |
| 837 | return sprintf(buf, "%d\n", pod->midi_postprocess); |
| 838 | } |
| 839 | |
| 840 | /* |
| 841 | "write" request on "midi_postprocess" special file. |
| 842 | */ |
Greg Kroah-Hartman | 77491e5 | 2009-02-27 20:25:43 -0800 | [diff] [blame] | 843 | static ssize_t pod_set_midi_postprocess(struct device *dev, |
| 844 | struct device_attribute *attr, |
| 845 | const char *buf, size_t count) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 846 | { |
| 847 | struct usb_interface *interface = to_usb_interface(dev); |
| 848 | struct usb_line6_pod *pod = usb_get_intfdata(interface); |
Shawn Bohrer | 7e4d5c1 | 2009-11-15 22:18:01 -0600 | [diff] [blame] | 849 | unsigned long value; |
| 850 | int ret; |
| 851 | |
| 852 | ret = strict_strtoul(buf, 10, &value); |
| 853 | if (ret) |
| 854 | return ret; |
| 855 | |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 856 | pod->midi_postprocess = value ? 1 : 0; |
| 857 | return count; |
| 858 | } |
| 859 | |
| 860 | /* |
| 861 | "read" request on "serial_number" special file. |
| 862 | */ |
Greg Kroah-Hartman | 77491e5 | 2009-02-27 20:25:43 -0800 | [diff] [blame] | 863 | static ssize_t pod_get_serial_number(struct device *dev, |
| 864 | struct device_attribute *attr, char *buf) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 865 | { |
| 866 | struct usb_interface *interface = to_usb_interface(dev); |
| 867 | struct usb_line6_pod *pod = usb_get_intfdata(interface); |
| 868 | return sprintf(buf, "%d\n", pod->serial_number); |
| 869 | } |
| 870 | |
| 871 | /* |
| 872 | "read" request on "firmware_version" special file. |
| 873 | */ |
Greg Kroah-Hartman | 77491e5 | 2009-02-27 20:25:43 -0800 | [diff] [blame] | 874 | static ssize_t pod_get_firmware_version(struct device *dev, |
| 875 | struct device_attribute *attr, |
| 876 | char *buf) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 877 | { |
| 878 | struct usb_interface *interface = to_usb_interface(dev); |
| 879 | struct usb_line6_pod *pod = usb_get_intfdata(interface); |
Greg Kroah-Hartman | 0fdef36 | 2009-02-27 22:41:29 -0800 | [diff] [blame] | 880 | return sprintf(buf, "%d.%02d\n", pod->firmware_version / 100, |
| 881 | pod->firmware_version % 100); |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 882 | } |
| 883 | |
| 884 | /* |
| 885 | "read" request on "device_id" special file. |
| 886 | */ |
Greg Kroah-Hartman | 77491e5 | 2009-02-27 20:25:43 -0800 | [diff] [blame] | 887 | static ssize_t pod_get_device_id(struct device *dev, |
| 888 | struct device_attribute *attr, char *buf) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 889 | { |
| 890 | struct usb_interface *interface = to_usb_interface(dev); |
| 891 | struct usb_line6_pod *pod = usb_get_intfdata(interface); |
| 892 | return sprintf(buf, "%d\n", pod->device_id); |
| 893 | } |
| 894 | |
| 895 | /* |
| 896 | "read" request on "clip" special file. |
| 897 | */ |
Greg Kroah-Hartman | 77491e5 | 2009-02-27 20:25:43 -0800 | [diff] [blame] | 898 | static ssize_t pod_wait_for_clip(struct device *dev, |
| 899 | struct device_attribute *attr, char *buf) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 900 | { |
| 901 | struct usb_interface *interface = to_usb_interface(dev); |
| 902 | struct usb_line6_pod *pod = usb_get_intfdata(interface); |
| 903 | int err = 0; |
| 904 | DECLARE_WAITQUEUE(wait, current); |
| 905 | pod->clipping.value = 0; |
| 906 | add_wait_queue(&pod->clipping.wait, &wait); |
| 907 | current->state = TASK_INTERRUPTIBLE; |
| 908 | |
Greg Kroah-Hartman | 0fdef36 | 2009-02-27 22:41:29 -0800 | [diff] [blame] | 909 | while (pod->clipping.value == 0) { |
| 910 | if (signal_pending(current)) { |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 911 | err = -ERESTARTSYS; |
| 912 | break; |
Greg Kroah-Hartman | 0fdef36 | 2009-02-27 22:41:29 -0800 | [diff] [blame] | 913 | } else |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 914 | schedule(); |
| 915 | } |
| 916 | |
| 917 | current->state = TASK_RUNNING; |
| 918 | remove_wait_queue(&pod->clipping.wait, &wait); |
| 919 | return err; |
| 920 | } |
| 921 | |
| 922 | #define POD_GET_SYSTEM_PARAM(code, tuner, sign) \ |
Greg Kroah-Hartman | 77491e5 | 2009-02-27 20:25:43 -0800 | [diff] [blame] | 923 | static ssize_t pod_get_ ## code(struct device *dev, \ |
| 924 | struct device_attribute *attr, char *buf) \ |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 925 | { \ |
| 926 | struct usb_interface *interface = to_usb_interface(dev); \ |
| 927 | struct usb_line6_pod *pod = usb_get_intfdata(interface); \ |
Greg Kroah-Hartman | 0fdef36 | 2009-02-27 22:41:29 -0800 | [diff] [blame] | 928 | return pod_get_system_param(pod, buf, POD_ ## code, &pod->code, \ |
| 929 | tuner, sign); \ |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 930 | } |
| 931 | |
| 932 | #define POD_GET_SET_SYSTEM_PARAM(code, mask, tuner, sign) \ |
| 933 | POD_GET_SYSTEM_PARAM(code, tuner, sign) \ |
Greg Kroah-Hartman | 77491e5 | 2009-02-27 20:25:43 -0800 | [diff] [blame] | 934 | static ssize_t pod_set_ ## code(struct device *dev, \ |
Greg Kroah-Hartman | 0fdef36 | 2009-02-27 22:41:29 -0800 | [diff] [blame] | 935 | struct device_attribute *attr, \ |
| 936 | const char *buf, size_t count) \ |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 937 | { \ |
| 938 | struct usb_interface *interface = to_usb_interface(dev); \ |
| 939 | struct usb_line6_pod *pod = usb_get_intfdata(interface); \ |
Greg Kroah-Hartman | 0fdef36 | 2009-02-27 22:41:29 -0800 | [diff] [blame] | 940 | return pod_set_system_param(pod, buf, count, POD_ ## code, mask, \ |
| 941 | tuner); \ |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 942 | } |
| 943 | |
| 944 | POD_GET_SET_SYSTEM_PARAM(monitor_level, 0xffff, 0, 0); |
| 945 | POD_GET_SET_SYSTEM_PARAM(routing, 0x0003, 0, 0); |
| 946 | POD_GET_SET_SYSTEM_PARAM(tuner_mute, 0x0001, 1, 0); |
| 947 | POD_GET_SET_SYSTEM_PARAM(tuner_freq, 0xffff, 1, 0); |
| 948 | POD_GET_SYSTEM_PARAM(tuner_note, 1, 1); |
| 949 | POD_GET_SYSTEM_PARAM(tuner_pitch, 1, 1); |
| 950 | |
| 951 | #undef GET_SET_SYSTEM_PARAM |
| 952 | #undef GET_SYSTEM_PARAM |
| 953 | |
| 954 | /* POD special files: */ |
| 955 | static DEVICE_ATTR(channel, S_IWUGO | S_IRUGO, pod_get_channel, pod_set_channel); |
| 956 | static DEVICE_ATTR(clip, S_IRUGO, pod_wait_for_clip, line6_nop_write); |
| 957 | static DEVICE_ATTR(device_id, S_IRUGO, pod_get_device_id, line6_nop_write); |
| 958 | static DEVICE_ATTR(dirty, S_IRUGO, pod_get_dirty, line6_nop_write); |
| 959 | static DEVICE_ATTR(dump, S_IWUGO | S_IRUGO, pod_get_dump, pod_set_dump); |
| 960 | static DEVICE_ATTR(dump_buf, S_IWUGO | S_IRUGO, pod_get_dump_buf, pod_set_dump_buf); |
| 961 | static DEVICE_ATTR(finish, S_IWUGO, line6_nop_read, pod_set_finish); |
| 962 | static DEVICE_ATTR(firmware_version, S_IRUGO, pod_get_firmware_version, line6_nop_write); |
| 963 | static DEVICE_ATTR(midi_postprocess, S_IWUGO | S_IRUGO, pod_get_midi_postprocess, pod_set_midi_postprocess); |
| 964 | static DEVICE_ATTR(monitor_level, S_IWUGO | S_IRUGO, pod_get_monitor_level, pod_set_monitor_level); |
| 965 | static DEVICE_ATTR(name, S_IRUGO, pod_get_name, line6_nop_write); |
| 966 | static DEVICE_ATTR(name_buf, S_IRUGO, pod_get_name_buf, line6_nop_write); |
| 967 | static DEVICE_ATTR(retrieve_amp_setup, S_IWUGO, line6_nop_read, pod_set_retrieve_amp_setup); |
| 968 | static DEVICE_ATTR(retrieve_channel, S_IWUGO, line6_nop_read, pod_set_retrieve_channel); |
| 969 | static DEVICE_ATTR(retrieve_effects_setup, S_IWUGO, line6_nop_read, pod_set_retrieve_effects_setup); |
| 970 | static DEVICE_ATTR(routing, S_IWUGO | S_IRUGO, pod_get_routing, pod_set_routing); |
| 971 | static DEVICE_ATTR(serial_number, S_IRUGO, pod_get_serial_number, line6_nop_write); |
| 972 | static DEVICE_ATTR(store_amp_setup, S_IWUGO, line6_nop_read, pod_set_store_amp_setup); |
| 973 | static DEVICE_ATTR(store_channel, S_IWUGO, line6_nop_read, pod_set_store_channel); |
| 974 | static DEVICE_ATTR(store_effects_setup, S_IWUGO, line6_nop_read, pod_set_store_effects_setup); |
| 975 | static DEVICE_ATTR(tuner_freq, S_IWUGO | S_IRUGO, pod_get_tuner_freq, pod_set_tuner_freq); |
| 976 | static DEVICE_ATTR(tuner_mute, S_IWUGO | S_IRUGO, pod_get_tuner_mute, pod_set_tuner_mute); |
| 977 | static DEVICE_ATTR(tuner_note, S_IRUGO, pod_get_tuner_note, line6_nop_write); |
| 978 | static DEVICE_ATTR(tuner_pitch, S_IRUGO, pod_get_tuner_pitch, line6_nop_write); |
| 979 | |
| 980 | #if CREATE_RAW_FILE |
| 981 | static DEVICE_ATTR(raw, S_IWUGO, line6_nop_read, line6_set_raw); |
| 982 | #endif |
| 983 | |
| 984 | /* |
| 985 | POD destructor. |
| 986 | */ |
| 987 | static void pod_destruct(struct usb_interface *interface) |
| 988 | { |
| 989 | struct usb_line6_pod *pod = usb_get_intfdata(interface); |
| 990 | struct usb_line6 *line6; |
| 991 | |
Greg Kroah-Hartman | 0fdef36 | 2009-02-27 22:41:29 -0800 | [diff] [blame] | 992 | if (pod == NULL) |
| 993 | return; |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 994 | line6 = &pod->line6; |
Greg Kroah-Hartman | 0fdef36 | 2009-02-27 22:41:29 -0800 | [diff] [blame] | 995 | if (line6 == NULL) |
| 996 | return; |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 997 | line6_cleanup_audio(line6); |
| 998 | |
| 999 | /* free dump request data: */ |
| 1000 | line6_dumpreq_destruct(&pod->dumpreq); |
| 1001 | |
Greg Kroah-Hartman | 0fdef36 | 2009-02-27 22:41:29 -0800 | [diff] [blame] | 1002 | kfree(pod->buffer_versionreq); |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 1003 | } |
| 1004 | |
| 1005 | /* |
| 1006 | Create sysfs entries. |
| 1007 | */ |
Greg Kroah-Hartman | b702ed25 | 2009-02-27 20:45:03 -0800 | [diff] [blame] | 1008 | static int pod_create_files2(struct device *dev) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 1009 | { |
| 1010 | int err; |
| 1011 | |
| 1012 | CHECK_RETURN(device_create_file(dev, &dev_attr_channel)); |
| 1013 | CHECK_RETURN(device_create_file(dev, &dev_attr_clip)); |
| 1014 | CHECK_RETURN(device_create_file(dev, &dev_attr_device_id)); |
| 1015 | CHECK_RETURN(device_create_file(dev, &dev_attr_dirty)); |
| 1016 | CHECK_RETURN(device_create_file(dev, &dev_attr_dump)); |
| 1017 | CHECK_RETURN(device_create_file(dev, &dev_attr_dump_buf)); |
| 1018 | CHECK_RETURN(device_create_file(dev, &dev_attr_finish)); |
| 1019 | CHECK_RETURN(device_create_file(dev, &dev_attr_firmware_version)); |
| 1020 | CHECK_RETURN(device_create_file(dev, &dev_attr_midi_postprocess)); |
| 1021 | CHECK_RETURN(device_create_file(dev, &dev_attr_monitor_level)); |
| 1022 | CHECK_RETURN(device_create_file(dev, &dev_attr_name)); |
| 1023 | CHECK_RETURN(device_create_file(dev, &dev_attr_name_buf)); |
| 1024 | CHECK_RETURN(device_create_file(dev, &dev_attr_retrieve_amp_setup)); |
| 1025 | CHECK_RETURN(device_create_file(dev, &dev_attr_retrieve_channel)); |
| 1026 | CHECK_RETURN(device_create_file(dev, &dev_attr_retrieve_effects_setup)); |
| 1027 | CHECK_RETURN(device_create_file(dev, &dev_attr_routing)); |
| 1028 | CHECK_RETURN(device_create_file(dev, &dev_attr_serial_number)); |
| 1029 | CHECK_RETURN(device_create_file(dev, &dev_attr_store_amp_setup)); |
| 1030 | CHECK_RETURN(device_create_file(dev, &dev_attr_store_channel)); |
| 1031 | CHECK_RETURN(device_create_file(dev, &dev_attr_store_effects_setup)); |
| 1032 | CHECK_RETURN(device_create_file(dev, &dev_attr_tuner_freq)); |
| 1033 | CHECK_RETURN(device_create_file(dev, &dev_attr_tuner_mute)); |
| 1034 | CHECK_RETURN(device_create_file(dev, &dev_attr_tuner_note)); |
| 1035 | CHECK_RETURN(device_create_file(dev, &dev_attr_tuner_pitch)); |
| 1036 | |
| 1037 | #if CREATE_RAW_FILE |
| 1038 | CHECK_RETURN(device_create_file(dev, &dev_attr_raw)); |
| 1039 | #endif |
| 1040 | |
| 1041 | return 0; |
| 1042 | } |
| 1043 | |
| 1044 | /* |
| 1045 | Init POD device. |
| 1046 | */ |
| 1047 | int pod_init(struct usb_interface *interface, struct usb_line6_pod *pod) |
| 1048 | { |
| 1049 | int err; |
| 1050 | struct usb_line6 *line6 = &pod->line6; |
| 1051 | |
Greg Kroah-Hartman | 0fdef36 | 2009-02-27 22:41:29 -0800 | [diff] [blame] | 1052 | if ((interface == NULL) || (pod == NULL)) |
| 1053 | return -ENODEV; |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 1054 | |
| 1055 | pod->channel_num = 255; |
| 1056 | |
| 1057 | /* initialize wait queues: */ |
| 1058 | init_waitqueue_head(&pod->monitor_level.wait); |
| 1059 | init_waitqueue_head(&pod->routing.wait); |
| 1060 | init_waitqueue_head(&pod->tuner_mute.wait); |
| 1061 | init_waitqueue_head(&pod->tuner_freq.wait); |
| 1062 | init_waitqueue_head(&pod->tuner_note.wait); |
| 1063 | init_waitqueue_head(&pod->tuner_pitch.wait); |
| 1064 | init_waitqueue_head(&pod->clipping.wait); |
| 1065 | |
| 1066 | memset(pod->param_dirty, 0xff, sizeof(pod->param_dirty)); |
| 1067 | |
| 1068 | /* initialize USB buffers: */ |
Greg Kroah-Hartman | 0fdef36 | 2009-02-27 22:41:29 -0800 | [diff] [blame] | 1069 | err = line6_dumpreq_init(&pod->dumpreq, pod_request_channel, |
| 1070 | sizeof(pod_request_channel)); |
| 1071 | if (err < 0) { |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 1072 | dev_err(&interface->dev, "Out of memory\n"); |
| 1073 | pod_destruct(interface); |
| 1074 | return -ENOMEM; |
| 1075 | } |
| 1076 | |
Greg Kroah-Hartman | 0fdef36 | 2009-02-27 22:41:29 -0800 | [diff] [blame] | 1077 | pod->buffer_versionreq = kmalloc(sizeof(pod_request_version), |
| 1078 | GFP_KERNEL); |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 1079 | |
Greg Kroah-Hartman | 0fdef36 | 2009-02-27 22:41:29 -0800 | [diff] [blame] | 1080 | if (pod->buffer_versionreq == NULL) { |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 1081 | dev_err(&interface->dev, "Out of memory\n"); |
| 1082 | pod_destruct(interface); |
| 1083 | return -ENOMEM; |
| 1084 | } |
| 1085 | |
Greg Kroah-Hartman | 0fdef36 | 2009-02-27 22:41:29 -0800 | [diff] [blame] | 1086 | memcpy(pod->buffer_versionreq, pod_request_version, |
| 1087 | sizeof(pod_request_version)); |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 1088 | |
| 1089 | /* create sysfs entries: */ |
Greg Kroah-Hartman | 0fdef36 | 2009-02-27 22:41:29 -0800 | [diff] [blame] | 1090 | err = pod_create_files2(&interface->dev); |
| 1091 | if (err < 0) { |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 1092 | pod_destruct(interface); |
| 1093 | return err; |
| 1094 | } |
| 1095 | |
| 1096 | /* initialize audio system: */ |
Greg Kroah-Hartman | 0fdef36 | 2009-02-27 22:41:29 -0800 | [diff] [blame] | 1097 | err = line6_init_audio(line6); |
| 1098 | if (err < 0) { |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 1099 | pod_destruct(interface); |
| 1100 | return err; |
| 1101 | } |
| 1102 | |
| 1103 | /* initialize MIDI subsystem: */ |
Greg Kroah-Hartman | 0fdef36 | 2009-02-27 22:41:29 -0800 | [diff] [blame] | 1104 | err = line6_init_midi(line6); |
| 1105 | if (err < 0) { |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 1106 | pod_destruct(interface); |
| 1107 | return err; |
| 1108 | } |
| 1109 | |
| 1110 | /* initialize PCM subsystem: */ |
Greg Kroah-Hartman | 0fdef36 | 2009-02-27 22:41:29 -0800 | [diff] [blame] | 1111 | err = line6_init_pcm(line6, &pod_pcm_properties); |
| 1112 | if (err < 0) { |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 1113 | pod_destruct(interface); |
| 1114 | return err; |
| 1115 | } |
| 1116 | |
| 1117 | /* register audio system: */ |
Greg Kroah-Hartman | 0fdef36 | 2009-02-27 22:41:29 -0800 | [diff] [blame] | 1118 | err = line6_register_audio(line6); |
| 1119 | if (err < 0) { |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 1120 | pod_destruct(interface); |
| 1121 | return err; |
| 1122 | } |
| 1123 | |
Greg Kroah-Hartman | 0fdef36 | 2009-02-27 22:41:29 -0800 | [diff] [blame] | 1124 | if (pod->line6.properties->capabilities & LINE6_BIT_CONTROL) { |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 1125 | /* query some data: */ |
Greg Kroah-Hartman | 0fdef36 | 2009-02-27 22:41:29 -0800 | [diff] [blame] | 1126 | line6_startup_delayed(&pod->dumpreq, POD_STARTUP_DELAY, |
| 1127 | pod_startup_timeout, pod); |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 1128 | line6_read_serial_number(&pod->line6, &pod->serial_number); |
| 1129 | } |
| 1130 | |
| 1131 | return 0; |
| 1132 | } |
| 1133 | |
| 1134 | /* |
| 1135 | POD device disconnected. |
| 1136 | */ |
| 1137 | void pod_disconnect(struct usb_interface *interface) |
| 1138 | { |
| 1139 | struct usb_line6_pod *pod; |
| 1140 | |
Greg Kroah-Hartman | 0fdef36 | 2009-02-27 22:41:29 -0800 | [diff] [blame] | 1141 | if (interface == NULL) |
| 1142 | return; |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 1143 | pod = usb_get_intfdata(interface); |
| 1144 | |
Greg Kroah-Hartman | 0fdef36 | 2009-02-27 22:41:29 -0800 | [diff] [blame] | 1145 | if (pod != NULL) { |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 1146 | struct snd_line6_pcm *line6pcm = pod->line6.line6pcm; |
| 1147 | struct device *dev = &interface->dev; |
| 1148 | |
Greg Kroah-Hartman | 0fdef36 | 2009-02-27 22:41:29 -0800 | [diff] [blame] | 1149 | if (line6pcm != NULL) { |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 1150 | unlink_wait_clear_audio_out_urbs(line6pcm); |
| 1151 | unlink_wait_clear_audio_in_urbs(line6pcm); |
| 1152 | } |
| 1153 | |
Greg Kroah-Hartman | 0fdef36 | 2009-02-27 22:41:29 -0800 | [diff] [blame] | 1154 | if (dev != NULL) { |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 1155 | /* remove sysfs entries: */ |
Greg Kroah-Hartman | 0fdef36 | 2009-02-27 22:41:29 -0800 | [diff] [blame] | 1156 | if (pod->versionreq_ok) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 1157 | pod_remove_files(pod->firmware_version, pod->line6.properties->device_bit, dev); |
| 1158 | |
| 1159 | device_remove_file(dev, &dev_attr_channel); |
| 1160 | device_remove_file(dev, &dev_attr_clip); |
| 1161 | device_remove_file(dev, &dev_attr_device_id); |
| 1162 | device_remove_file(dev, &dev_attr_dirty); |
| 1163 | device_remove_file(dev, &dev_attr_dump); |
| 1164 | device_remove_file(dev, &dev_attr_dump_buf); |
| 1165 | device_remove_file(dev, &dev_attr_finish); |
| 1166 | device_remove_file(dev, &dev_attr_firmware_version); |
| 1167 | device_remove_file(dev, &dev_attr_midi_postprocess); |
| 1168 | device_remove_file(dev, &dev_attr_monitor_level); |
| 1169 | device_remove_file(dev, &dev_attr_name); |
| 1170 | device_remove_file(dev, &dev_attr_name_buf); |
| 1171 | device_remove_file(dev, &dev_attr_retrieve_amp_setup); |
| 1172 | device_remove_file(dev, &dev_attr_retrieve_channel); |
| 1173 | device_remove_file(dev, &dev_attr_retrieve_effects_setup); |
| 1174 | device_remove_file(dev, &dev_attr_routing); |
| 1175 | device_remove_file(dev, &dev_attr_serial_number); |
| 1176 | device_remove_file(dev, &dev_attr_store_amp_setup); |
| 1177 | device_remove_file(dev, &dev_attr_store_channel); |
| 1178 | device_remove_file(dev, &dev_attr_store_effects_setup); |
| 1179 | device_remove_file(dev, &dev_attr_tuner_freq); |
| 1180 | device_remove_file(dev, &dev_attr_tuner_mute); |
| 1181 | device_remove_file(dev, &dev_attr_tuner_note); |
| 1182 | device_remove_file(dev, &dev_attr_tuner_pitch); |
| 1183 | |
| 1184 | #if CREATE_RAW_FILE |
| 1185 | device_remove_file(dev, &dev_attr_raw); |
| 1186 | #endif |
| 1187 | } |
| 1188 | } |
| 1189 | |
| 1190 | pod_destruct(interface); |
| 1191 | } |