Tim Blechmann | 02bec49 | 2009-03-24 12:24:35 +0100 | [diff] [blame] | 1 | /* -*- linux-c -*- * |
| 2 | * |
| 3 | * ALSA driver for the digigram lx6464es interface |
| 4 | * |
| 5 | * Copyright (c) 2008, 2009 Tim Blechmann <tim@klingt.org> |
| 6 | * |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify |
| 9 | * it under the terms of the GNU General Public License as published by |
| 10 | * the Free Software Foundation; either version 2 of the License, or |
| 11 | * (at your option) any later version. |
| 12 | * |
| 13 | * This program is distributed in the hope that it will be useful, |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | * GNU General Public License for more details. |
| 17 | * |
| 18 | * You should have received a copy of the GNU General Public License |
| 19 | * along with this program; see the file COPYING. If not, write to |
| 20 | * the Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
| 21 | * Boston, MA 02111-1307, USA. |
| 22 | * |
| 23 | */ |
| 24 | |
| 25 | #include <linux/module.h> |
| 26 | #include <linux/init.h> |
| 27 | #include <linux/pci.h> |
| 28 | #include <linux/delay.h> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 29 | #include <linux/slab.h> |
Tim Blechmann | 02bec49 | 2009-03-24 12:24:35 +0100 | [diff] [blame] | 30 | |
| 31 | #include <sound/initval.h> |
| 32 | #include <sound/control.h> |
| 33 | #include <sound/info.h> |
| 34 | |
| 35 | #include "lx6464es.h" |
| 36 | |
| 37 | MODULE_AUTHOR("Tim Blechmann"); |
| 38 | MODULE_LICENSE("GPL"); |
| 39 | MODULE_DESCRIPTION("digigram lx6464es"); |
| 40 | MODULE_SUPPORTED_DEVICE("{digigram lx6464es{}}"); |
| 41 | |
| 42 | |
| 43 | static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; |
| 44 | static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; |
| 45 | static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; |
| 46 | |
Tim Blechmann | de0525c | 2009-06-11 16:03:34 +0200 | [diff] [blame] | 47 | module_param_array(index, int, NULL, 0444); |
| 48 | MODULE_PARM_DESC(index, "Index value for Digigram LX6464ES interface."); |
| 49 | module_param_array(id, charp, NULL, 0444); |
| 50 | MODULE_PARM_DESC(id, "ID string for Digigram LX6464ES interface."); |
| 51 | module_param_array(enable, bool, NULL, 0444); |
| 52 | MODULE_PARM_DESC(enable, "Enable/disable specific Digigram LX6464ES soundcards."); |
| 53 | |
Tim Blechmann | 02bec49 | 2009-03-24 12:24:35 +0100 | [diff] [blame] | 54 | static const char card_name[] = "LX6464ES"; |
| 55 | |
| 56 | |
| 57 | #define PCI_DEVICE_ID_PLX_LX6464ES PCI_DEVICE_ID_PLX_9056 |
| 58 | |
Alexey Dobriyan | cebe41d | 2010-02-06 00:21:03 +0200 | [diff] [blame] | 59 | static DEFINE_PCI_DEVICE_TABLE(snd_lx6464es_ids) = { |
Tim Blechmann | 02bec49 | 2009-03-24 12:24:35 +0100 | [diff] [blame] | 60 | { PCI_DEVICE(PCI_VENDOR_ID_PLX, PCI_DEVICE_ID_PLX_LX6464ES), |
| 61 | .subvendor = PCI_VENDOR_ID_DIGIGRAM, |
| 62 | .subdevice = PCI_SUBDEVICE_ID_DIGIGRAM_LX6464ES_SERIAL_SUBSYSTEM |
| 63 | }, /* LX6464ES */ |
| 64 | { PCI_DEVICE(PCI_VENDOR_ID_PLX, PCI_DEVICE_ID_PLX_LX6464ES), |
| 65 | .subvendor = PCI_VENDOR_ID_DIGIGRAM, |
| 66 | .subdevice = PCI_SUBDEVICE_ID_DIGIGRAM_LX6464ES_CAE_SERIAL_SUBSYSTEM |
| 67 | }, /* LX6464ES-CAE */ |
| 68 | { 0, }, |
| 69 | }; |
| 70 | |
| 71 | MODULE_DEVICE_TABLE(pci, snd_lx6464es_ids); |
| 72 | |
| 73 | |
| 74 | |
| 75 | /* PGO pour USERo dans le registre pci_0x06/loc_0xEC */ |
| 76 | #define CHIPSC_RESET_XILINX (1L<<16) |
| 77 | |
| 78 | |
| 79 | /* alsa callbacks */ |
| 80 | static struct snd_pcm_hardware lx_caps = { |
| 81 | .info = (SNDRV_PCM_INFO_MMAP | |
| 82 | SNDRV_PCM_INFO_INTERLEAVED | |
| 83 | SNDRV_PCM_INFO_MMAP_VALID | |
| 84 | SNDRV_PCM_INFO_SYNC_START), |
| 85 | .formats = (SNDRV_PCM_FMTBIT_S16_LE | |
| 86 | SNDRV_PCM_FMTBIT_S16_BE | |
| 87 | SNDRV_PCM_FMTBIT_S24_3LE | |
| 88 | SNDRV_PCM_FMTBIT_S24_3BE), |
| 89 | .rates = (SNDRV_PCM_RATE_CONTINUOUS | |
| 90 | SNDRV_PCM_RATE_8000_192000), |
| 91 | .rate_min = 8000, |
| 92 | .rate_max = 192000, |
| 93 | .channels_min = 2, |
| 94 | .channels_max = 64, |
| 95 | .buffer_bytes_max = 64*2*3*MICROBLAZE_IBL_MAX*MAX_STREAM_BUFFER, |
| 96 | .period_bytes_min = (2*2*MICROBLAZE_IBL_MIN*2), |
| 97 | .period_bytes_max = (4*64*MICROBLAZE_IBL_MAX*MAX_STREAM_BUFFER), |
| 98 | .periods_min = 2, |
| 99 | .periods_max = MAX_STREAM_BUFFER, |
| 100 | }; |
| 101 | |
| 102 | static int lx_set_granularity(struct lx6464es *chip, u32 gran); |
| 103 | |
| 104 | |
| 105 | static int lx_hardware_open(struct lx6464es *chip, |
| 106 | struct snd_pcm_substream *substream) |
| 107 | { |
| 108 | int err = 0; |
| 109 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 110 | int channels = runtime->channels; |
| 111 | int is_capture = (substream->stream == SNDRV_PCM_STREAM_CAPTURE); |
| 112 | |
| 113 | snd_pcm_uframes_t period_size = runtime->period_size; |
| 114 | |
| 115 | snd_printd(LXP "allocating pipe for %d channels\n", channels); |
| 116 | err = lx_pipe_allocate(chip, 0, is_capture, channels); |
| 117 | if (err < 0) { |
| 118 | snd_printk(KERN_ERR LXP "allocating pipe failed\n"); |
| 119 | return err; |
| 120 | } |
| 121 | |
| 122 | err = lx_set_granularity(chip, period_size); |
| 123 | if (err < 0) { |
| 124 | snd_printk(KERN_ERR LXP "setting granularity to %ld failed\n", |
| 125 | period_size); |
| 126 | return err; |
| 127 | } |
| 128 | |
| 129 | return 0; |
| 130 | } |
| 131 | |
| 132 | static int lx_hardware_start(struct lx6464es *chip, |
| 133 | struct snd_pcm_substream *substream) |
| 134 | { |
| 135 | int err = 0; |
| 136 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 137 | int is_capture = (substream->stream == SNDRV_PCM_STREAM_CAPTURE); |
| 138 | |
| 139 | snd_printd(LXP "setting stream format\n"); |
| 140 | err = lx_stream_set_format(chip, runtime, 0, is_capture); |
| 141 | if (err < 0) { |
| 142 | snd_printk(KERN_ERR LXP "setting stream format failed\n"); |
| 143 | return err; |
| 144 | } |
| 145 | |
| 146 | snd_printd(LXP "starting pipe\n"); |
| 147 | err = lx_pipe_start(chip, 0, is_capture); |
| 148 | if (err < 0) { |
| 149 | snd_printk(KERN_ERR LXP "starting pipe failed\n"); |
| 150 | return err; |
| 151 | } |
| 152 | |
| 153 | snd_printd(LXP "waiting for pipe to start\n"); |
| 154 | err = lx_pipe_wait_for_start(chip, 0, is_capture); |
| 155 | if (err < 0) { |
| 156 | snd_printk(KERN_ERR LXP "waiting for pipe failed\n"); |
| 157 | return err; |
| 158 | } |
| 159 | |
| 160 | return err; |
| 161 | } |
| 162 | |
| 163 | |
| 164 | static int lx_hardware_stop(struct lx6464es *chip, |
| 165 | struct snd_pcm_substream *substream) |
| 166 | { |
| 167 | int err = 0; |
| 168 | int is_capture = (substream->stream == SNDRV_PCM_STREAM_CAPTURE); |
| 169 | |
| 170 | snd_printd(LXP "pausing pipe\n"); |
| 171 | err = lx_pipe_pause(chip, 0, is_capture); |
| 172 | if (err < 0) { |
| 173 | snd_printk(KERN_ERR LXP "pausing pipe failed\n"); |
| 174 | return err; |
| 175 | } |
| 176 | |
| 177 | snd_printd(LXP "waiting for pipe to become idle\n"); |
| 178 | err = lx_pipe_wait_for_idle(chip, 0, is_capture); |
| 179 | if (err < 0) { |
| 180 | snd_printk(KERN_ERR LXP "waiting for pipe failed\n"); |
| 181 | return err; |
| 182 | } |
| 183 | |
| 184 | snd_printd(LXP "stopping pipe\n"); |
| 185 | err = lx_pipe_stop(chip, 0, is_capture); |
| 186 | if (err < 0) { |
| 187 | snd_printk(LXP "stopping pipe failed\n"); |
| 188 | return err; |
| 189 | } |
| 190 | |
| 191 | return err; |
| 192 | } |
| 193 | |
| 194 | |
| 195 | static int lx_hardware_close(struct lx6464es *chip, |
| 196 | struct snd_pcm_substream *substream) |
| 197 | { |
| 198 | int err = 0; |
| 199 | int is_capture = (substream->stream == SNDRV_PCM_STREAM_CAPTURE); |
| 200 | |
| 201 | snd_printd(LXP "releasing pipe\n"); |
| 202 | err = lx_pipe_release(chip, 0, is_capture); |
| 203 | if (err < 0) { |
| 204 | snd_printk(LXP "releasing pipe failed\n"); |
| 205 | return err; |
| 206 | } |
| 207 | |
| 208 | return err; |
| 209 | } |
| 210 | |
| 211 | |
| 212 | static int lx_pcm_open(struct snd_pcm_substream *substream) |
| 213 | { |
| 214 | struct lx6464es *chip = snd_pcm_substream_chip(substream); |
| 215 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 216 | int err = 0; |
| 217 | int board_rate; |
| 218 | |
| 219 | snd_printdd("->lx_pcm_open\n"); |
| 220 | mutex_lock(&chip->setup_mutex); |
| 221 | |
| 222 | /* copy the struct snd_pcm_hardware struct */ |
| 223 | runtime->hw = lx_caps; |
| 224 | |
| 225 | #if 0 |
| 226 | /* buffer-size should better be multiple of period-size */ |
| 227 | err = snd_pcm_hw_constraint_integer(runtime, |
| 228 | SNDRV_PCM_HW_PARAM_PERIODS); |
| 229 | if (err < 0) { |
| 230 | snd_printk(KERN_WARNING LXP "could not constrain periods\n"); |
| 231 | goto exit; |
| 232 | } |
| 233 | #endif |
| 234 | |
| 235 | /* the clock rate cannot be changed */ |
| 236 | board_rate = chip->board_sample_rate; |
| 237 | err = snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_RATE, |
| 238 | board_rate, board_rate); |
| 239 | |
| 240 | if (err < 0) { |
| 241 | snd_printk(KERN_WARNING LXP "could not constrain periods\n"); |
| 242 | goto exit; |
| 243 | } |
| 244 | |
| 245 | /* constrain period size */ |
| 246 | err = snd_pcm_hw_constraint_minmax(runtime, |
| 247 | SNDRV_PCM_HW_PARAM_PERIOD_SIZE, |
| 248 | MICROBLAZE_IBL_MIN, |
| 249 | MICROBLAZE_IBL_MAX); |
| 250 | if (err < 0) { |
| 251 | snd_printk(KERN_WARNING LXP |
| 252 | "could not constrain period size\n"); |
| 253 | goto exit; |
| 254 | } |
| 255 | |
| 256 | snd_pcm_hw_constraint_step(runtime, 0, |
| 257 | SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 32); |
| 258 | |
| 259 | snd_pcm_set_sync(substream); |
| 260 | err = 0; |
| 261 | |
| 262 | exit: |
| 263 | runtime->private_data = chip; |
| 264 | |
| 265 | mutex_unlock(&chip->setup_mutex); |
| 266 | snd_printdd("<-lx_pcm_open, %d\n", err); |
| 267 | return err; |
| 268 | } |
| 269 | |
| 270 | static int lx_pcm_close(struct snd_pcm_substream *substream) |
| 271 | { |
| 272 | int err = 0; |
| 273 | snd_printdd("->lx_pcm_close\n"); |
| 274 | return err; |
| 275 | } |
| 276 | |
| 277 | static snd_pcm_uframes_t lx_pcm_stream_pointer(struct snd_pcm_substream |
| 278 | *substream) |
| 279 | { |
| 280 | struct lx6464es *chip = snd_pcm_substream_chip(substream); |
| 281 | snd_pcm_uframes_t pos; |
| 282 | unsigned long flags; |
| 283 | int is_capture = (substream->stream == SNDRV_PCM_STREAM_CAPTURE); |
| 284 | |
| 285 | struct lx_stream *lx_stream = is_capture ? &chip->capture_stream : |
| 286 | &chip->playback_stream; |
| 287 | |
| 288 | snd_printdd("->lx_pcm_stream_pointer\n"); |
| 289 | |
| 290 | spin_lock_irqsave(&chip->lock, flags); |
| 291 | pos = lx_stream->frame_pos * substream->runtime->period_size; |
| 292 | spin_unlock_irqrestore(&chip->lock, flags); |
| 293 | |
| 294 | snd_printdd(LXP "stream_pointer at %ld\n", pos); |
| 295 | return pos; |
| 296 | } |
| 297 | |
| 298 | static int lx_pcm_prepare(struct snd_pcm_substream *substream) |
| 299 | { |
| 300 | struct lx6464es *chip = snd_pcm_substream_chip(substream); |
| 301 | int err = 0; |
| 302 | const int is_capture = (substream->stream == SNDRV_PCM_STREAM_CAPTURE); |
| 303 | |
| 304 | snd_printdd("->lx_pcm_prepare\n"); |
| 305 | |
| 306 | mutex_lock(&chip->setup_mutex); |
| 307 | |
| 308 | if (chip->hardware_running[is_capture]) { |
| 309 | err = lx_hardware_stop(chip, substream); |
| 310 | if (err < 0) { |
| 311 | snd_printk(KERN_ERR LXP "failed to stop hardware. " |
| 312 | "Error code %d\n", err); |
| 313 | goto exit; |
| 314 | } |
| 315 | |
| 316 | err = lx_hardware_close(chip, substream); |
| 317 | if (err < 0) { |
| 318 | snd_printk(KERN_ERR LXP "failed to close hardware. " |
| 319 | "Error code %d\n", err); |
| 320 | goto exit; |
| 321 | } |
| 322 | } |
| 323 | |
| 324 | snd_printd(LXP "opening hardware\n"); |
| 325 | err = lx_hardware_open(chip, substream); |
| 326 | if (err < 0) { |
| 327 | snd_printk(KERN_ERR LXP "failed to open hardware. " |
| 328 | "Error code %d\n", err); |
| 329 | goto exit; |
| 330 | } |
| 331 | |
| 332 | err = lx_hardware_start(chip, substream); |
| 333 | if (err < 0) { |
| 334 | snd_printk(KERN_ERR LXP "failed to start hardware. " |
| 335 | "Error code %d\n", err); |
| 336 | goto exit; |
| 337 | } |
| 338 | |
| 339 | chip->hardware_running[is_capture] = 1; |
| 340 | |
| 341 | if (chip->board_sample_rate != substream->runtime->rate) { |
| 342 | if (!err) |
| 343 | chip->board_sample_rate = substream->runtime->rate; |
| 344 | } |
| 345 | |
| 346 | exit: |
| 347 | mutex_unlock(&chip->setup_mutex); |
| 348 | return err; |
| 349 | } |
| 350 | |
| 351 | static int lx_pcm_hw_params(struct snd_pcm_substream *substream, |
| 352 | struct snd_pcm_hw_params *hw_params, int is_capture) |
| 353 | { |
| 354 | struct lx6464es *chip = snd_pcm_substream_chip(substream); |
| 355 | int err = 0; |
| 356 | |
| 357 | snd_printdd("->lx_pcm_hw_params\n"); |
| 358 | |
| 359 | mutex_lock(&chip->setup_mutex); |
| 360 | |
| 361 | /* set dma buffer */ |
| 362 | err = snd_pcm_lib_malloc_pages(substream, |
| 363 | params_buffer_bytes(hw_params)); |
| 364 | |
| 365 | if (is_capture) |
| 366 | chip->capture_stream.stream = substream; |
| 367 | else |
| 368 | chip->playback_stream.stream = substream; |
| 369 | |
| 370 | mutex_unlock(&chip->setup_mutex); |
| 371 | return err; |
| 372 | } |
| 373 | |
| 374 | static int lx_pcm_hw_params_playback(struct snd_pcm_substream *substream, |
| 375 | struct snd_pcm_hw_params *hw_params) |
| 376 | { |
| 377 | return lx_pcm_hw_params(substream, hw_params, 0); |
| 378 | } |
| 379 | |
| 380 | static int lx_pcm_hw_params_capture(struct snd_pcm_substream *substream, |
| 381 | struct snd_pcm_hw_params *hw_params) |
| 382 | { |
| 383 | return lx_pcm_hw_params(substream, hw_params, 1); |
| 384 | } |
| 385 | |
| 386 | static int lx_pcm_hw_free(struct snd_pcm_substream *substream) |
| 387 | { |
| 388 | struct lx6464es *chip = snd_pcm_substream_chip(substream); |
| 389 | int err = 0; |
| 390 | int is_capture = (substream->stream == SNDRV_PCM_STREAM_CAPTURE); |
| 391 | |
| 392 | snd_printdd("->lx_pcm_hw_free\n"); |
| 393 | mutex_lock(&chip->setup_mutex); |
| 394 | |
| 395 | if (chip->hardware_running[is_capture]) { |
| 396 | err = lx_hardware_stop(chip, substream); |
| 397 | if (err < 0) { |
| 398 | snd_printk(KERN_ERR LXP "failed to stop hardware. " |
| 399 | "Error code %d\n", err); |
| 400 | goto exit; |
| 401 | } |
| 402 | |
| 403 | err = lx_hardware_close(chip, substream); |
| 404 | if (err < 0) { |
| 405 | snd_printk(KERN_ERR LXP "failed to close hardware. " |
| 406 | "Error code %d\n", err); |
| 407 | goto exit; |
| 408 | } |
| 409 | |
| 410 | chip->hardware_running[is_capture] = 0; |
| 411 | } |
| 412 | |
| 413 | err = snd_pcm_lib_free_pages(substream); |
| 414 | |
| 415 | if (is_capture) |
| 416 | chip->capture_stream.stream = 0; |
| 417 | else |
| 418 | chip->playback_stream.stream = 0; |
| 419 | |
| 420 | exit: |
| 421 | mutex_unlock(&chip->setup_mutex); |
| 422 | return err; |
| 423 | } |
| 424 | |
| 425 | static void lx_trigger_start(struct lx6464es *chip, struct lx_stream *lx_stream) |
| 426 | { |
| 427 | struct snd_pcm_substream *substream = lx_stream->stream; |
Tim Blechmann | f746745 | 2010-10-31 19:46:19 +0100 | [diff] [blame] | 428 | const unsigned int is_capture = lx_stream->is_capture; |
Tim Blechmann | 02bec49 | 2009-03-24 12:24:35 +0100 | [diff] [blame] | 429 | |
| 430 | int err; |
| 431 | |
| 432 | const u32 channels = substream->runtime->channels; |
| 433 | const u32 bytes_per_frame = channels * 3; |
| 434 | const u32 period_size = substream->runtime->period_size; |
| 435 | const u32 periods = substream->runtime->periods; |
| 436 | const u32 period_bytes = period_size * bytes_per_frame; |
| 437 | |
| 438 | dma_addr_t buf = substream->dma_buffer.addr; |
| 439 | int i; |
| 440 | |
| 441 | u32 needed, freed; |
| 442 | u32 size_array[5]; |
| 443 | |
| 444 | for (i = 0; i != periods; ++i) { |
| 445 | u32 buffer_index = 0; |
| 446 | |
| 447 | err = lx_buffer_ask(chip, 0, is_capture, &needed, &freed, |
| 448 | size_array); |
| 449 | snd_printdd(LXP "starting: needed %d, freed %d\n", |
| 450 | needed, freed); |
| 451 | |
| 452 | err = lx_buffer_give(chip, 0, is_capture, period_bytes, |
| 453 | lower_32_bits(buf), upper_32_bits(buf), |
| 454 | &buffer_index); |
| 455 | |
| 456 | snd_printdd(LXP "starting: buffer index %x on %p (%d bytes)\n", |
| 457 | buffer_index, (void *)buf, period_bytes); |
| 458 | buf += period_bytes; |
| 459 | } |
| 460 | |
| 461 | err = lx_buffer_ask(chip, 0, is_capture, &needed, &freed, size_array); |
| 462 | snd_printdd(LXP "starting: needed %d, freed %d\n", needed, freed); |
| 463 | |
| 464 | snd_printd(LXP "starting: starting stream\n"); |
| 465 | err = lx_stream_start(chip, 0, is_capture); |
| 466 | if (err < 0) |
| 467 | snd_printk(KERN_ERR LXP "couldn't start stream\n"); |
| 468 | else |
| 469 | lx_stream->status = LX_STREAM_STATUS_RUNNING; |
| 470 | |
| 471 | lx_stream->frame_pos = 0; |
| 472 | } |
| 473 | |
| 474 | static void lx_trigger_stop(struct lx6464es *chip, struct lx_stream *lx_stream) |
| 475 | { |
Tim Blechmann | f746745 | 2010-10-31 19:46:19 +0100 | [diff] [blame] | 476 | const unsigned int is_capture = lx_stream->is_capture; |
Tim Blechmann | 02bec49 | 2009-03-24 12:24:35 +0100 | [diff] [blame] | 477 | int err; |
| 478 | |
| 479 | snd_printd(LXP "stopping: stopping stream\n"); |
| 480 | err = lx_stream_stop(chip, 0, is_capture); |
| 481 | if (err < 0) |
| 482 | snd_printk(KERN_ERR LXP "couldn't stop stream\n"); |
| 483 | else |
| 484 | lx_stream->status = LX_STREAM_STATUS_FREE; |
| 485 | |
| 486 | } |
| 487 | |
| 488 | static void lx_trigger_tasklet_dispatch_stream(struct lx6464es *chip, |
| 489 | struct lx_stream *lx_stream) |
| 490 | { |
| 491 | switch (lx_stream->status) { |
| 492 | case LX_STREAM_STATUS_SCHEDULE_RUN: |
| 493 | lx_trigger_start(chip, lx_stream); |
| 494 | break; |
| 495 | |
| 496 | case LX_STREAM_STATUS_SCHEDULE_STOP: |
| 497 | lx_trigger_stop(chip, lx_stream); |
| 498 | break; |
| 499 | |
| 500 | default: |
| 501 | break; |
| 502 | } |
| 503 | } |
| 504 | |
| 505 | static void lx_trigger_tasklet(unsigned long data) |
| 506 | { |
| 507 | struct lx6464es *chip = (struct lx6464es *)data; |
| 508 | unsigned long flags; |
| 509 | |
| 510 | snd_printdd("->lx_trigger_tasklet\n"); |
| 511 | |
| 512 | spin_lock_irqsave(&chip->lock, flags); |
| 513 | lx_trigger_tasklet_dispatch_stream(chip, &chip->capture_stream); |
| 514 | lx_trigger_tasklet_dispatch_stream(chip, &chip->playback_stream); |
| 515 | spin_unlock_irqrestore(&chip->lock, flags); |
| 516 | } |
| 517 | |
| 518 | static int lx_pcm_trigger_dispatch(struct lx6464es *chip, |
| 519 | struct lx_stream *lx_stream, int cmd) |
| 520 | { |
| 521 | int err = 0; |
| 522 | |
| 523 | switch (cmd) { |
| 524 | case SNDRV_PCM_TRIGGER_START: |
| 525 | lx_stream->status = LX_STREAM_STATUS_SCHEDULE_RUN; |
| 526 | break; |
| 527 | |
| 528 | case SNDRV_PCM_TRIGGER_STOP: |
| 529 | lx_stream->status = LX_STREAM_STATUS_SCHEDULE_STOP; |
| 530 | break; |
| 531 | |
| 532 | default: |
| 533 | err = -EINVAL; |
| 534 | goto exit; |
| 535 | } |
| 536 | tasklet_schedule(&chip->trigger_tasklet); |
| 537 | |
| 538 | exit: |
| 539 | return err; |
| 540 | } |
| 541 | |
| 542 | |
| 543 | static int lx_pcm_trigger(struct snd_pcm_substream *substream, int cmd) |
| 544 | { |
| 545 | struct lx6464es *chip = snd_pcm_substream_chip(substream); |
| 546 | const int is_capture = (substream->stream == SNDRV_PCM_STREAM_CAPTURE); |
| 547 | struct lx_stream *stream = is_capture ? &chip->capture_stream : |
| 548 | &chip->playback_stream; |
| 549 | |
| 550 | snd_printdd("->lx_pcm_trigger\n"); |
| 551 | |
| 552 | return lx_pcm_trigger_dispatch(chip, stream, cmd); |
| 553 | } |
| 554 | |
| 555 | static int snd_lx6464es_free(struct lx6464es *chip) |
| 556 | { |
| 557 | snd_printdd("->snd_lx6464es_free\n"); |
| 558 | |
| 559 | lx_irq_disable(chip); |
| 560 | |
| 561 | if (chip->irq >= 0) |
| 562 | free_irq(chip->irq, chip); |
| 563 | |
| 564 | iounmap(chip->port_dsp_bar); |
| 565 | ioport_unmap(chip->port_plx_remapped); |
| 566 | |
| 567 | pci_release_regions(chip->pci); |
| 568 | pci_disable_device(chip->pci); |
| 569 | |
| 570 | kfree(chip); |
| 571 | |
| 572 | return 0; |
| 573 | } |
| 574 | |
| 575 | static int snd_lx6464es_dev_free(struct snd_device *device) |
| 576 | { |
| 577 | return snd_lx6464es_free(device->device_data); |
| 578 | } |
| 579 | |
| 580 | /* reset the dsp during initialization */ |
| 581 | static int __devinit lx_init_xilinx_reset(struct lx6464es *chip) |
| 582 | { |
| 583 | int i; |
| 584 | u32 plx_reg = lx_plx_reg_read(chip, ePLX_CHIPSC); |
| 585 | |
| 586 | snd_printdd("->lx_init_xilinx_reset\n"); |
| 587 | |
| 588 | /* activate reset of xilinx */ |
| 589 | plx_reg &= ~CHIPSC_RESET_XILINX; |
| 590 | |
| 591 | lx_plx_reg_write(chip, ePLX_CHIPSC, plx_reg); |
| 592 | msleep(1); |
| 593 | |
| 594 | lx_plx_reg_write(chip, ePLX_MBOX3, 0); |
| 595 | msleep(1); |
| 596 | |
| 597 | plx_reg |= CHIPSC_RESET_XILINX; |
| 598 | lx_plx_reg_write(chip, ePLX_CHIPSC, plx_reg); |
| 599 | |
| 600 | /* deactivate reset of xilinx */ |
| 601 | for (i = 0; i != 100; ++i) { |
| 602 | u32 reg_mbox3; |
| 603 | msleep(10); |
| 604 | reg_mbox3 = lx_plx_reg_read(chip, ePLX_MBOX3); |
| 605 | if (reg_mbox3) { |
| 606 | snd_printd(LXP "xilinx reset done\n"); |
| 607 | snd_printdd(LXP "xilinx took %d loops\n", i); |
| 608 | break; |
| 609 | } |
| 610 | } |
| 611 | |
| 612 | /* todo: add some error handling? */ |
| 613 | |
| 614 | /* clear mr */ |
| 615 | lx_dsp_reg_write(chip, eReg_CSM, 0); |
| 616 | |
| 617 | /* le xilinx ES peut ne pas etre encore pret, on attend. */ |
| 618 | msleep(600); |
| 619 | |
| 620 | return 0; |
| 621 | } |
| 622 | |
| 623 | static int __devinit lx_init_xilinx_test(struct lx6464es *chip) |
| 624 | { |
| 625 | u32 reg; |
| 626 | |
| 627 | snd_printdd("->lx_init_xilinx_test\n"); |
| 628 | |
| 629 | /* TEST if we have access to Xilinx/MicroBlaze */ |
| 630 | lx_dsp_reg_write(chip, eReg_CSM, 0); |
| 631 | |
| 632 | reg = lx_dsp_reg_read(chip, eReg_CSM); |
| 633 | |
| 634 | if (reg) { |
| 635 | snd_printk(KERN_ERR LXP "Problem: Reg_CSM %x.\n", reg); |
| 636 | |
| 637 | /* PCI9056_SPACE0_REMAP */ |
| 638 | lx_plx_reg_write(chip, ePLX_PCICR, 1); |
| 639 | |
| 640 | reg = lx_dsp_reg_read(chip, eReg_CSM); |
| 641 | if (reg) { |
| 642 | snd_printk(KERN_ERR LXP "Error: Reg_CSM %x.\n", reg); |
| 643 | return -EAGAIN; /* seems to be appropriate */ |
| 644 | } |
| 645 | } |
| 646 | |
| 647 | snd_printd(LXP "Xilinx/MicroBlaze access test successful\n"); |
| 648 | |
| 649 | return 0; |
| 650 | } |
| 651 | |
| 652 | /* initialize ethersound */ |
| 653 | static int __devinit lx_init_ethersound_config(struct lx6464es *chip) |
| 654 | { |
| 655 | int i; |
| 656 | u32 orig_conf_es = lx_dsp_reg_read(chip, eReg_CONFES); |
| 657 | |
Tim Blechmann | 7e895cf | 2009-06-25 09:41:46 +0200 | [diff] [blame] | 658 | /* configure 64 io channels */ |
| 659 | u32 conf_es = (orig_conf_es & CONFES_READ_PART_MASK) | |
Tim Blechmann | 02bec49 | 2009-03-24 12:24:35 +0100 | [diff] [blame] | 660 | (64 << IOCR_INPUTS_OFFSET) | |
Tim Blechmann | 7e895cf | 2009-06-25 09:41:46 +0200 | [diff] [blame] | 661 | (64 << IOCR_OUTPUTS_OFFSET) | |
Tim Blechmann | 02bec49 | 2009-03-24 12:24:35 +0100 | [diff] [blame] | 662 | (FREQ_RATIO_SINGLE_MODE << FREQ_RATIO_OFFSET); |
| 663 | |
Tim Blechmann | 02bec49 | 2009-03-24 12:24:35 +0100 | [diff] [blame] | 664 | snd_printdd("->lx_init_ethersound\n"); |
| 665 | |
| 666 | chip->freq_ratio = FREQ_RATIO_SINGLE_MODE; |
| 667 | |
| 668 | /* |
| 669 | * write it to the card ! |
| 670 | * this actually kicks the ES xilinx, the first time since poweron. |
| 671 | * the MAC address in the Reg_ADMACESMSB Reg_ADMACESLSB registers |
| 672 | * is not ready before this is done, and the bit 2 in Reg_CSES is set. |
| 673 | * */ |
| 674 | lx_dsp_reg_write(chip, eReg_CONFES, conf_es); |
| 675 | |
| 676 | for (i = 0; i != 1000; ++i) { |
| 677 | if (lx_dsp_reg_read(chip, eReg_CSES) & 4) { |
| 678 | snd_printd(LXP "ethersound initialized after %dms\n", |
| 679 | i); |
| 680 | goto ethersound_initialized; |
| 681 | } |
| 682 | msleep(1); |
| 683 | } |
| 684 | snd_printk(KERN_WARNING LXP |
| 685 | "ethersound could not be initialized after %dms\n", i); |
| 686 | return -ETIMEDOUT; |
| 687 | |
| 688 | ethersound_initialized: |
| 689 | snd_printd(LXP "ethersound initialized\n"); |
| 690 | return 0; |
| 691 | } |
| 692 | |
| 693 | static int __devinit lx_init_get_version_features(struct lx6464es *chip) |
| 694 | { |
| 695 | u32 dsp_version; |
| 696 | |
| 697 | int err; |
| 698 | |
| 699 | snd_printdd("->lx_init_get_version_features\n"); |
| 700 | |
| 701 | err = lx_dsp_get_version(chip, &dsp_version); |
| 702 | |
| 703 | if (err == 0) { |
| 704 | u32 freq; |
| 705 | |
| 706 | snd_printk(LXP "DSP version: V%02d.%02d #%d\n", |
| 707 | (dsp_version>>16) & 0xff, (dsp_version>>8) & 0xff, |
| 708 | dsp_version & 0xff); |
| 709 | |
| 710 | /* later: what firmware version do we expect? */ |
| 711 | |
| 712 | /* retrieve Play/Rec features */ |
| 713 | /* done here because we may have to handle alternate |
| 714 | * DSP files. */ |
| 715 | /* later */ |
| 716 | |
| 717 | /* init the EtherSound sample rate */ |
| 718 | err = lx_dsp_get_clock_frequency(chip, &freq); |
| 719 | if (err == 0) |
| 720 | chip->board_sample_rate = freq; |
| 721 | snd_printd(LXP "actual clock frequency %d\n", freq); |
| 722 | } else { |
| 723 | snd_printk(KERN_ERR LXP "DSP corrupted \n"); |
| 724 | err = -EAGAIN; |
| 725 | } |
| 726 | |
| 727 | return err; |
| 728 | } |
| 729 | |
| 730 | static int lx_set_granularity(struct lx6464es *chip, u32 gran) |
| 731 | { |
| 732 | int err = 0; |
| 733 | u32 snapped_gran = MICROBLAZE_IBL_MIN; |
| 734 | |
| 735 | snd_printdd("->lx_set_granularity\n"); |
| 736 | |
| 737 | /* blocksize is a power of 2 */ |
| 738 | while ((snapped_gran < gran) && |
| 739 | (snapped_gran < MICROBLAZE_IBL_MAX)) { |
| 740 | snapped_gran *= 2; |
| 741 | } |
| 742 | |
| 743 | if (snapped_gran == chip->pcm_granularity) |
| 744 | return 0; |
| 745 | |
| 746 | err = lx_dsp_set_granularity(chip, snapped_gran); |
| 747 | if (err < 0) { |
| 748 | snd_printk(KERN_WARNING LXP "could not set granularity\n"); |
| 749 | err = -EAGAIN; |
| 750 | } |
| 751 | |
| 752 | if (snapped_gran != gran) |
| 753 | snd_printk(LXP "snapped blocksize to %d\n", snapped_gran); |
| 754 | |
| 755 | snd_printd(LXP "set blocksize on board %d\n", snapped_gran); |
| 756 | chip->pcm_granularity = snapped_gran; |
| 757 | |
| 758 | return err; |
| 759 | } |
| 760 | |
| 761 | /* initialize and test the xilinx dsp chip */ |
| 762 | static int __devinit lx_init_dsp(struct lx6464es *chip) |
| 763 | { |
| 764 | int err; |
| 765 | u8 mac_address[6]; |
| 766 | int i; |
| 767 | |
| 768 | snd_printdd("->lx_init_dsp\n"); |
| 769 | |
| 770 | snd_printd(LXP "initialize board\n"); |
| 771 | err = lx_init_xilinx_reset(chip); |
| 772 | if (err) |
| 773 | return err; |
| 774 | |
| 775 | snd_printd(LXP "testing board\n"); |
| 776 | err = lx_init_xilinx_test(chip); |
| 777 | if (err) |
| 778 | return err; |
| 779 | |
| 780 | snd_printd(LXP "initialize ethersound configuration\n"); |
| 781 | err = lx_init_ethersound_config(chip); |
| 782 | if (err) |
| 783 | return err; |
| 784 | |
| 785 | lx_irq_enable(chip); |
| 786 | |
| 787 | /** \todo the mac address should be ready by not, but it isn't, |
| 788 | * so we wait for it */ |
| 789 | for (i = 0; i != 1000; ++i) { |
| 790 | err = lx_dsp_get_mac(chip, mac_address); |
| 791 | if (err) |
| 792 | return err; |
| 793 | if (mac_address[0] || mac_address[1] || mac_address[2] || |
| 794 | mac_address[3] || mac_address[4] || mac_address[5]) |
| 795 | goto mac_ready; |
| 796 | msleep(1); |
| 797 | } |
| 798 | return -ETIMEDOUT; |
| 799 | |
| 800 | mac_ready: |
| 801 | snd_printd(LXP "mac address ready read after: %dms\n", i); |
| 802 | snd_printk(LXP "mac address: %02X.%02X.%02X.%02X.%02X.%02X\n", |
| 803 | mac_address[0], mac_address[1], mac_address[2], |
| 804 | mac_address[3], mac_address[4], mac_address[5]); |
| 805 | |
| 806 | err = lx_init_get_version_features(chip); |
| 807 | if (err) |
| 808 | return err; |
| 809 | |
| 810 | lx_set_granularity(chip, MICROBLAZE_IBL_DEFAULT); |
| 811 | |
| 812 | chip->playback_mute = 0; |
| 813 | |
| 814 | return err; |
| 815 | } |
| 816 | |
| 817 | static struct snd_pcm_ops lx_ops_playback = { |
| 818 | .open = lx_pcm_open, |
| 819 | .close = lx_pcm_close, |
| 820 | .ioctl = snd_pcm_lib_ioctl, |
| 821 | .prepare = lx_pcm_prepare, |
| 822 | .hw_params = lx_pcm_hw_params_playback, |
| 823 | .hw_free = lx_pcm_hw_free, |
| 824 | .trigger = lx_pcm_trigger, |
| 825 | .pointer = lx_pcm_stream_pointer, |
| 826 | }; |
| 827 | |
| 828 | static struct snd_pcm_ops lx_ops_capture = { |
| 829 | .open = lx_pcm_open, |
| 830 | .close = lx_pcm_close, |
| 831 | .ioctl = snd_pcm_lib_ioctl, |
| 832 | .prepare = lx_pcm_prepare, |
| 833 | .hw_params = lx_pcm_hw_params_capture, |
| 834 | .hw_free = lx_pcm_hw_free, |
| 835 | .trigger = lx_pcm_trigger, |
| 836 | .pointer = lx_pcm_stream_pointer, |
| 837 | }; |
| 838 | |
| 839 | static int __devinit lx_pcm_create(struct lx6464es *chip) |
| 840 | { |
| 841 | int err; |
| 842 | struct snd_pcm *pcm; |
| 843 | |
| 844 | u32 size = 64 * /* channels */ |
| 845 | 3 * /* 24 bit samples */ |
| 846 | MAX_STREAM_BUFFER * /* periods */ |
| 847 | MICROBLAZE_IBL_MAX * /* frames per period */ |
| 848 | 2; /* duplex */ |
| 849 | |
| 850 | size = PAGE_ALIGN(size); |
| 851 | |
| 852 | /* hardcoded device name & channel count */ |
| 853 | err = snd_pcm_new(chip->card, (char *)card_name, 0, |
| 854 | 1, 1, &pcm); |
| 855 | |
| 856 | pcm->private_data = chip; |
| 857 | |
| 858 | snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &lx_ops_playback); |
| 859 | snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &lx_ops_capture); |
| 860 | |
| 861 | pcm->info_flags = 0; |
| 862 | strcpy(pcm->name, card_name); |
| 863 | |
| 864 | err = snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, |
| 865 | snd_dma_pci_data(chip->pci), |
| 866 | size, size); |
| 867 | if (err < 0) |
| 868 | return err; |
| 869 | |
| 870 | chip->pcm = pcm; |
| 871 | chip->capture_stream.is_capture = 1; |
| 872 | |
| 873 | return 0; |
| 874 | } |
| 875 | |
| 876 | static int lx_control_playback_info(struct snd_kcontrol *kcontrol, |
| 877 | struct snd_ctl_elem_info *uinfo) |
| 878 | { |
| 879 | uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; |
| 880 | uinfo->count = 1; |
| 881 | uinfo->value.integer.min = 0; |
| 882 | uinfo->value.integer.max = 1; |
| 883 | return 0; |
| 884 | } |
| 885 | |
| 886 | static int lx_control_playback_get(struct snd_kcontrol *kcontrol, |
| 887 | struct snd_ctl_elem_value *ucontrol) |
| 888 | { |
| 889 | struct lx6464es *chip = snd_kcontrol_chip(kcontrol); |
| 890 | ucontrol->value.integer.value[0] = chip->playback_mute; |
| 891 | return 0; |
| 892 | } |
| 893 | |
| 894 | static int lx_control_playback_put(struct snd_kcontrol *kcontrol, |
| 895 | struct snd_ctl_elem_value *ucontrol) |
| 896 | { |
| 897 | struct lx6464es *chip = snd_kcontrol_chip(kcontrol); |
| 898 | int changed = 0; |
| 899 | int current_value = chip->playback_mute; |
| 900 | |
| 901 | if (current_value != ucontrol->value.integer.value[0]) { |
| 902 | lx_level_unmute(chip, 0, !current_value); |
| 903 | chip->playback_mute = !current_value; |
| 904 | changed = 1; |
| 905 | } |
| 906 | return changed; |
| 907 | } |
| 908 | |
| 909 | static struct snd_kcontrol_new lx_control_playback_switch __devinitdata = { |
| 910 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
| 911 | .name = "PCM Playback Switch", |
| 912 | .index = 0, |
| 913 | .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, |
| 914 | .private_value = 0, |
| 915 | .info = lx_control_playback_info, |
| 916 | .get = lx_control_playback_get, |
| 917 | .put = lx_control_playback_put |
| 918 | }; |
| 919 | |
| 920 | |
| 921 | |
| 922 | static void lx_proc_levels_read(struct snd_info_entry *entry, |
| 923 | struct snd_info_buffer *buffer) |
| 924 | { |
| 925 | u32 levels[64]; |
| 926 | int err; |
| 927 | int i, j; |
| 928 | struct lx6464es *chip = entry->private_data; |
| 929 | |
| 930 | snd_iprintf(buffer, "capture levels:\n"); |
| 931 | err = lx_level_peaks(chip, 1, 64, levels); |
| 932 | if (err < 0) |
| 933 | return; |
| 934 | |
| 935 | for (i = 0; i != 8; ++i) { |
| 936 | for (j = 0; j != 8; ++j) |
| 937 | snd_iprintf(buffer, "%08x ", levels[i*8+j]); |
| 938 | snd_iprintf(buffer, "\n"); |
| 939 | } |
| 940 | |
| 941 | snd_iprintf(buffer, "\nplayback levels:\n"); |
| 942 | |
| 943 | err = lx_level_peaks(chip, 0, 64, levels); |
| 944 | if (err < 0) |
| 945 | return; |
| 946 | |
| 947 | for (i = 0; i != 8; ++i) { |
| 948 | for (j = 0; j != 8; ++j) |
| 949 | snd_iprintf(buffer, "%08x ", levels[i*8+j]); |
| 950 | snd_iprintf(buffer, "\n"); |
| 951 | } |
| 952 | |
| 953 | snd_iprintf(buffer, "\n"); |
| 954 | } |
| 955 | |
| 956 | static int __devinit lx_proc_create(struct snd_card *card, struct lx6464es *chip) |
| 957 | { |
| 958 | struct snd_info_entry *entry; |
| 959 | int err = snd_card_proc_new(card, "levels", &entry); |
| 960 | if (err < 0) |
| 961 | return err; |
| 962 | |
| 963 | snd_info_set_text_ops(entry, chip, lx_proc_levels_read); |
| 964 | return 0; |
| 965 | } |
| 966 | |
| 967 | |
| 968 | static int __devinit snd_lx6464es_create(struct snd_card *card, |
| 969 | struct pci_dev *pci, |
| 970 | struct lx6464es **rchip) |
| 971 | { |
| 972 | struct lx6464es *chip; |
| 973 | int err; |
| 974 | |
| 975 | static struct snd_device_ops ops = { |
| 976 | .dev_free = snd_lx6464es_dev_free, |
| 977 | }; |
| 978 | |
| 979 | snd_printdd("->snd_lx6464es_create\n"); |
| 980 | |
| 981 | *rchip = NULL; |
| 982 | |
| 983 | /* enable PCI device */ |
| 984 | err = pci_enable_device(pci); |
| 985 | if (err < 0) |
| 986 | return err; |
| 987 | |
| 988 | pci_set_master(pci); |
| 989 | |
| 990 | /* check if we can restrict PCI DMA transfers to 32 bits */ |
Andrew Morton | 8e20ce9 | 2009-06-18 16:49:17 -0700 | [diff] [blame] | 991 | err = pci_set_dma_mask(pci, DMA_BIT_MASK(32)); |
Tim Blechmann | 02bec49 | 2009-03-24 12:24:35 +0100 | [diff] [blame] | 992 | if (err < 0) { |
| 993 | snd_printk(KERN_ERR "architecture does not support " |
| 994 | "32bit PCI busmaster DMA\n"); |
| 995 | pci_disable_device(pci); |
| 996 | return -ENXIO; |
| 997 | } |
| 998 | |
| 999 | chip = kzalloc(sizeof(*chip), GFP_KERNEL); |
| 1000 | if (chip == NULL) { |
| 1001 | err = -ENOMEM; |
| 1002 | goto alloc_failed; |
| 1003 | } |
| 1004 | |
| 1005 | chip->card = card; |
| 1006 | chip->pci = pci; |
| 1007 | chip->irq = -1; |
| 1008 | |
| 1009 | /* initialize synchronization structs */ |
| 1010 | spin_lock_init(&chip->lock); |
| 1011 | spin_lock_init(&chip->msg_lock); |
| 1012 | mutex_init(&chip->setup_mutex); |
| 1013 | tasklet_init(&chip->trigger_tasklet, lx_trigger_tasklet, |
| 1014 | (unsigned long)chip); |
| 1015 | tasklet_init(&chip->tasklet_capture, lx_tasklet_capture, |
| 1016 | (unsigned long)chip); |
| 1017 | tasklet_init(&chip->tasklet_playback, lx_tasklet_playback, |
| 1018 | (unsigned long)chip); |
| 1019 | |
| 1020 | /* request resources */ |
| 1021 | err = pci_request_regions(pci, card_name); |
| 1022 | if (err < 0) |
| 1023 | goto request_regions_failed; |
| 1024 | |
| 1025 | /* plx port */ |
| 1026 | chip->port_plx = pci_resource_start(pci, 1); |
| 1027 | chip->port_plx_remapped = ioport_map(chip->port_plx, |
| 1028 | pci_resource_len(pci, 1)); |
| 1029 | |
| 1030 | /* dsp port */ |
| 1031 | chip->port_dsp_bar = pci_ioremap_bar(pci, 2); |
| 1032 | |
| 1033 | err = request_irq(pci->irq, lx_interrupt, IRQF_SHARED, |
| 1034 | card_name, chip); |
| 1035 | if (err) { |
| 1036 | snd_printk(KERN_ERR LXP "unable to grab IRQ %d\n", pci->irq); |
| 1037 | goto request_irq_failed; |
| 1038 | } |
| 1039 | chip->irq = pci->irq; |
| 1040 | |
| 1041 | err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops); |
| 1042 | if (err < 0) |
| 1043 | goto device_new_failed; |
| 1044 | |
| 1045 | err = lx_init_dsp(chip); |
| 1046 | if (err < 0) { |
| 1047 | snd_printk(KERN_ERR LXP "error during DSP initialization\n"); |
| 1048 | return err; |
| 1049 | } |
| 1050 | |
| 1051 | err = lx_pcm_create(chip); |
| 1052 | if (err < 0) |
| 1053 | return err; |
| 1054 | |
| 1055 | err = lx_proc_create(card, chip); |
| 1056 | if (err < 0) |
| 1057 | return err; |
| 1058 | |
| 1059 | err = snd_ctl_add(card, snd_ctl_new1(&lx_control_playback_switch, |
| 1060 | chip)); |
| 1061 | if (err < 0) |
| 1062 | return err; |
| 1063 | |
| 1064 | snd_card_set_dev(card, &pci->dev); |
| 1065 | |
| 1066 | *rchip = chip; |
| 1067 | return 0; |
| 1068 | |
| 1069 | device_new_failed: |
| 1070 | free_irq(pci->irq, chip); |
| 1071 | |
| 1072 | request_irq_failed: |
| 1073 | pci_release_regions(pci); |
| 1074 | |
| 1075 | request_regions_failed: |
| 1076 | kfree(chip); |
| 1077 | |
| 1078 | alloc_failed: |
| 1079 | pci_disable_device(pci); |
| 1080 | |
| 1081 | return err; |
| 1082 | } |
| 1083 | |
| 1084 | static int __devinit snd_lx6464es_probe(struct pci_dev *pci, |
| 1085 | const struct pci_device_id *pci_id) |
| 1086 | { |
| 1087 | static int dev; |
| 1088 | struct snd_card *card; |
| 1089 | struct lx6464es *chip; |
| 1090 | int err; |
| 1091 | |
| 1092 | snd_printdd("->snd_lx6464es_probe\n"); |
| 1093 | |
| 1094 | if (dev >= SNDRV_CARDS) |
| 1095 | return -ENODEV; |
| 1096 | if (!enable[dev]) { |
| 1097 | dev++; |
| 1098 | return -ENOENT; |
| 1099 | } |
| 1100 | |
Takashi Iwai | 7852fd0 | 2009-04-14 12:25:52 +0200 | [diff] [blame] | 1101 | err = snd_card_create(index[dev], id[dev], THIS_MODULE, 0, &card); |
| 1102 | if (err < 0) |
| 1103 | return err; |
Tim Blechmann | 02bec49 | 2009-03-24 12:24:35 +0100 | [diff] [blame] | 1104 | |
| 1105 | err = snd_lx6464es_create(card, pci, &chip); |
| 1106 | if (err < 0) { |
| 1107 | snd_printk(KERN_ERR LXP "error during snd_lx6464es_create\n"); |
| 1108 | goto out_free; |
| 1109 | } |
| 1110 | |
| 1111 | strcpy(card->driver, "lx6464es"); |
| 1112 | strcpy(card->shortname, "Digigram LX6464ES"); |
| 1113 | sprintf(card->longname, "%s at 0x%lx, 0x%p, irq %i", |
| 1114 | card->shortname, chip->port_plx, |
| 1115 | chip->port_dsp_bar, chip->irq); |
| 1116 | |
| 1117 | err = snd_card_register(card); |
| 1118 | if (err < 0) |
| 1119 | goto out_free; |
| 1120 | |
| 1121 | snd_printdd(LXP "initialization successful\n"); |
| 1122 | pci_set_drvdata(pci, card); |
| 1123 | dev++; |
| 1124 | return 0; |
| 1125 | |
| 1126 | out_free: |
| 1127 | snd_card_free(card); |
| 1128 | return err; |
| 1129 | |
| 1130 | } |
| 1131 | |
| 1132 | static void __devexit snd_lx6464es_remove(struct pci_dev *pci) |
| 1133 | { |
| 1134 | snd_card_free(pci_get_drvdata(pci)); |
| 1135 | pci_set_drvdata(pci, NULL); |
| 1136 | } |
| 1137 | |
| 1138 | |
| 1139 | static struct pci_driver driver = { |
| 1140 | .name = "Digigram LX6464ES", |
| 1141 | .id_table = snd_lx6464es_ids, |
| 1142 | .probe = snd_lx6464es_probe, |
| 1143 | .remove = __devexit_p(snd_lx6464es_remove), |
| 1144 | }; |
| 1145 | |
| 1146 | |
| 1147 | /* module initialization */ |
| 1148 | static int __init mod_init(void) |
| 1149 | { |
| 1150 | return pci_register_driver(&driver); |
| 1151 | } |
| 1152 | |
| 1153 | static void __exit mod_exit(void) |
| 1154 | { |
| 1155 | pci_unregister_driver(&driver); |
| 1156 | } |
| 1157 | |
| 1158 | module_init(mod_init); |
| 1159 | module_exit(mod_exit); |