Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) by Jaroslav Kysela <perex@suse.cz> |
| 3 | * Creative Labs, Inc. |
| 4 | * Routines for control of EMU10K1 chips / PCM routines |
| 5 | * Multichannel PCM support Copyright (c) Lee Revell <rlrevell@joe-job.com> |
| 6 | * |
| 7 | * BUGS: |
| 8 | * -- |
| 9 | * |
| 10 | * TODO: |
| 11 | * -- |
| 12 | * |
| 13 | * This program is free software; you can redistribute it and/or modify |
| 14 | * it under the terms of the GNU General Public License as published by |
| 15 | * the Free Software Foundation; either version 2 of the License, or |
| 16 | * (at your option) any later version. |
| 17 | * |
| 18 | * This program is distributed in the hope that it will be useful, |
| 19 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 20 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 21 | * GNU General Public License for more details. |
| 22 | * |
| 23 | * You should have received a copy of the GNU General Public License |
| 24 | * along with this program; if not, write to the Free Software |
| 25 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 26 | * |
| 27 | */ |
| 28 | |
| 29 | #include <sound/driver.h> |
| 30 | #include <linux/pci.h> |
| 31 | #include <linux/delay.h> |
| 32 | #include <linux/slab.h> |
| 33 | #include <linux/time.h> |
| 34 | #include <linux/init.h> |
| 35 | #include <sound/core.h> |
| 36 | #include <sound/emu10k1.h> |
| 37 | |
| 38 | static void snd_emu10k1_pcm_interrupt(emu10k1_t *emu, emu10k1_voice_t *voice) |
| 39 | { |
| 40 | emu10k1_pcm_t *epcm; |
| 41 | |
| 42 | if ((epcm = voice->epcm) == NULL) |
| 43 | return; |
| 44 | if (epcm->substream == NULL) |
| 45 | return; |
| 46 | #if 0 |
| 47 | printk("IRQ: position = 0x%x, period = 0x%x, size = 0x%x\n", |
| 48 | epcm->substream->runtime->hw->pointer(emu, epcm->substream), |
| 49 | snd_pcm_lib_period_bytes(epcm->substream), |
| 50 | snd_pcm_lib_buffer_bytes(epcm->substream)); |
| 51 | #endif |
| 52 | snd_pcm_period_elapsed(epcm->substream); |
| 53 | } |
| 54 | |
| 55 | static void snd_emu10k1_pcm_ac97adc_interrupt(emu10k1_t *emu, unsigned int status) |
| 56 | { |
| 57 | #if 0 |
| 58 | if (status & IPR_ADCBUFHALFFULL) { |
| 59 | if (emu->pcm_capture_substream->runtime->mode == SNDRV_PCM_MODE_FRAME) |
| 60 | return; |
| 61 | } |
| 62 | #endif |
| 63 | snd_pcm_period_elapsed(emu->pcm_capture_substream); |
| 64 | } |
| 65 | |
| 66 | static void snd_emu10k1_pcm_ac97mic_interrupt(emu10k1_t *emu, unsigned int status) |
| 67 | { |
| 68 | #if 0 |
| 69 | if (status & IPR_MICBUFHALFFULL) { |
| 70 | if (emu->pcm_capture_mic_substream->runtime->mode == SNDRV_PCM_MODE_FRAME) |
| 71 | return; |
| 72 | } |
| 73 | #endif |
| 74 | snd_pcm_period_elapsed(emu->pcm_capture_mic_substream); |
| 75 | } |
| 76 | |
| 77 | static void snd_emu10k1_pcm_efx_interrupt(emu10k1_t *emu, unsigned int status) |
| 78 | { |
| 79 | #if 0 |
| 80 | if (status & IPR_EFXBUFHALFFULL) { |
| 81 | if (emu->pcm_capture_efx_substream->runtime->mode == SNDRV_PCM_MODE_FRAME) |
| 82 | return; |
| 83 | } |
| 84 | #endif |
| 85 | snd_pcm_period_elapsed(emu->pcm_capture_efx_substream); |
| 86 | } |
| 87 | |
| 88 | static snd_pcm_uframes_t snd_emu10k1_efx_playback_pointer(snd_pcm_substream_t * substream) |
| 89 | { |
| 90 | emu10k1_t *emu = snd_pcm_substream_chip(substream); |
| 91 | snd_pcm_runtime_t *runtime = substream->runtime; |
| 92 | emu10k1_pcm_t *epcm = runtime->private_data; |
| 93 | unsigned int ptr; |
| 94 | |
| 95 | if (!epcm->running) |
| 96 | return 0; |
| 97 | ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->voices[0]->number) & 0x00ffffff; |
| 98 | ptr += runtime->buffer_size; |
| 99 | ptr -= epcm->ccca_start_addr; |
| 100 | ptr %= runtime->buffer_size; |
| 101 | |
| 102 | return ptr; |
| 103 | } |
| 104 | |
| 105 | static int snd_emu10k1_pcm_channel_alloc(emu10k1_pcm_t * epcm, int voices) |
| 106 | { |
| 107 | int err, i; |
| 108 | |
| 109 | if (epcm->voices[1] != NULL && voices < 2) { |
| 110 | snd_emu10k1_voice_free(epcm->emu, epcm->voices[1]); |
| 111 | epcm->voices[1] = NULL; |
| 112 | } |
| 113 | for (i = 0; i < voices; i++) { |
| 114 | if (epcm->voices[i] == NULL) |
| 115 | break; |
| 116 | } |
| 117 | if (i == voices) |
| 118 | return 0; /* already allocated */ |
| 119 | |
| 120 | for (i = 0; i < ARRAY_SIZE(epcm->voices); i++) { |
| 121 | if (epcm->voices[i]) { |
| 122 | snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]); |
| 123 | epcm->voices[i] = NULL; |
| 124 | } |
| 125 | } |
| 126 | err = snd_emu10k1_voice_alloc(epcm->emu, |
| 127 | epcm->type == PLAYBACK_EMUVOICE ? EMU10K1_PCM : EMU10K1_EFX, |
| 128 | voices, |
| 129 | &epcm->voices[0]); |
| 130 | |
| 131 | if (err < 0) |
| 132 | return err; |
| 133 | epcm->voices[0]->epcm = epcm; |
| 134 | if (voices > 1) { |
| 135 | for (i = 1; i < voices; i++) { |
| 136 | epcm->voices[i] = &epcm->emu->voices[epcm->voices[0]->number + i]; |
| 137 | epcm->voices[i]->epcm = epcm; |
| 138 | } |
| 139 | } |
| 140 | if (epcm->extra == NULL) { |
| 141 | err = snd_emu10k1_voice_alloc(epcm->emu, |
| 142 | epcm->type == PLAYBACK_EMUVOICE ? EMU10K1_PCM : EMU10K1_EFX, |
| 143 | 1, |
| 144 | &epcm->extra); |
| 145 | if (err < 0) { |
| 146 | // printk("pcm_channel_alloc: failed extra: voices=%d, frame=%d\n", voices, frame); |
| 147 | for (i = 0; i < voices; i++) { |
| 148 | snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]); |
| 149 | epcm->voices[i] = NULL; |
| 150 | } |
| 151 | return err; |
| 152 | } |
| 153 | epcm->extra->epcm = epcm; |
| 154 | epcm->extra->interrupt = snd_emu10k1_pcm_interrupt; |
| 155 | } |
| 156 | return 0; |
| 157 | } |
| 158 | |
| 159 | static unsigned int capture_period_sizes[31] = { |
| 160 | 384, 448, 512, 640, |
| 161 | 384*2, 448*2, 512*2, 640*2, |
| 162 | 384*4, 448*4, 512*4, 640*4, |
| 163 | 384*8, 448*8, 512*8, 640*8, |
| 164 | 384*16, 448*16, 512*16, 640*16, |
| 165 | 384*32, 448*32, 512*32, 640*32, |
| 166 | 384*64, 448*64, 512*64, 640*64, |
| 167 | 384*128,448*128,512*128 |
| 168 | }; |
| 169 | |
| 170 | static snd_pcm_hw_constraint_list_t hw_constraints_capture_period_sizes = { |
| 171 | .count = 31, |
| 172 | .list = capture_period_sizes, |
| 173 | .mask = 0 |
| 174 | }; |
| 175 | |
| 176 | static unsigned int capture_rates[8] = { |
| 177 | 8000, 11025, 16000, 22050, 24000, 32000, 44100, 48000 |
| 178 | }; |
| 179 | |
| 180 | static snd_pcm_hw_constraint_list_t hw_constraints_capture_rates = { |
| 181 | .count = 8, |
| 182 | .list = capture_rates, |
| 183 | .mask = 0 |
| 184 | }; |
| 185 | |
| 186 | static unsigned int snd_emu10k1_capture_rate_reg(unsigned int rate) |
| 187 | { |
| 188 | switch (rate) { |
| 189 | case 8000: return ADCCR_SAMPLERATE_8; |
| 190 | case 11025: return ADCCR_SAMPLERATE_11; |
| 191 | case 16000: return ADCCR_SAMPLERATE_16; |
| 192 | case 22050: return ADCCR_SAMPLERATE_22; |
| 193 | case 24000: return ADCCR_SAMPLERATE_24; |
| 194 | case 32000: return ADCCR_SAMPLERATE_32; |
| 195 | case 44100: return ADCCR_SAMPLERATE_44; |
| 196 | case 48000: return ADCCR_SAMPLERATE_48; |
| 197 | default: |
| 198 | snd_BUG(); |
| 199 | return ADCCR_SAMPLERATE_8; |
| 200 | } |
| 201 | } |
| 202 | |
| 203 | static unsigned int snd_emu10k1_audigy_capture_rate_reg(unsigned int rate) |
| 204 | { |
| 205 | switch (rate) { |
| 206 | case 8000: return A_ADCCR_SAMPLERATE_8; |
| 207 | case 11025: return A_ADCCR_SAMPLERATE_11; |
| 208 | case 12000: return A_ADCCR_SAMPLERATE_12; /* really supported? */ |
| 209 | case 16000: return ADCCR_SAMPLERATE_16; |
| 210 | case 22050: return ADCCR_SAMPLERATE_22; |
| 211 | case 24000: return ADCCR_SAMPLERATE_24; |
| 212 | case 32000: return ADCCR_SAMPLERATE_32; |
| 213 | case 44100: return ADCCR_SAMPLERATE_44; |
| 214 | case 48000: return ADCCR_SAMPLERATE_48; |
| 215 | default: |
| 216 | snd_BUG(); |
| 217 | return A_ADCCR_SAMPLERATE_8; |
| 218 | } |
| 219 | } |
| 220 | |
| 221 | static unsigned int emu10k1_calc_pitch_target(unsigned int rate) |
| 222 | { |
| 223 | unsigned int pitch_target; |
| 224 | |
| 225 | pitch_target = (rate << 8) / 375; |
| 226 | pitch_target = (pitch_target >> 1) + (pitch_target & 1); |
| 227 | return pitch_target; |
| 228 | } |
| 229 | |
| 230 | #define PITCH_48000 0x00004000 |
| 231 | #define PITCH_96000 0x00008000 |
| 232 | #define PITCH_85000 0x00007155 |
| 233 | #define PITCH_80726 0x00006ba2 |
| 234 | #define PITCH_67882 0x00005a82 |
| 235 | #define PITCH_57081 0x00004c1c |
| 236 | |
| 237 | static unsigned int emu10k1_select_interprom(unsigned int pitch_target) |
| 238 | { |
| 239 | if (pitch_target == PITCH_48000) |
| 240 | return CCCA_INTERPROM_0; |
| 241 | else if (pitch_target < PITCH_48000) |
| 242 | return CCCA_INTERPROM_1; |
| 243 | else if (pitch_target >= PITCH_96000) |
| 244 | return CCCA_INTERPROM_0; |
| 245 | else if (pitch_target >= PITCH_85000) |
| 246 | return CCCA_INTERPROM_6; |
| 247 | else if (pitch_target >= PITCH_80726) |
| 248 | return CCCA_INTERPROM_5; |
| 249 | else if (pitch_target >= PITCH_67882) |
| 250 | return CCCA_INTERPROM_4; |
| 251 | else if (pitch_target >= PITCH_57081) |
| 252 | return CCCA_INTERPROM_3; |
| 253 | else |
| 254 | return CCCA_INTERPROM_2; |
| 255 | } |
| 256 | |
| 257 | /* |
| 258 | * calculate cache invalidate size |
| 259 | * |
| 260 | * stereo: channel is stereo |
| 261 | * w_16: using 16bit samples |
| 262 | * |
| 263 | * returns: cache invalidate size in samples |
| 264 | */ |
Jesper Juhl | fe5ac9d | 2005-04-20 10:03:31 +0200 | [diff] [blame^] | 265 | static inline int emu10k1_ccis(int stereo, int w_16) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 266 | { |
| 267 | if (w_16) { |
| 268 | return stereo ? 24 : 26; |
| 269 | } else { |
| 270 | return stereo ? 24*2 : 26*2; |
| 271 | } |
| 272 | } |
| 273 | |
| 274 | static void snd_emu10k1_pcm_init_voice(emu10k1_t *emu, |
| 275 | int master, int extra, |
| 276 | emu10k1_voice_t *evoice, |
| 277 | unsigned int start_addr, |
| 278 | unsigned int end_addr, |
| 279 | emu10k1_pcm_mixer_t *mix) |
| 280 | { |
| 281 | snd_pcm_substream_t *substream = evoice->epcm->substream; |
| 282 | snd_pcm_runtime_t *runtime = substream->runtime; |
| 283 | unsigned int silent_page, tmp; |
| 284 | int voice, stereo, w_16; |
| 285 | unsigned char attn, send_amount[8]; |
| 286 | unsigned char send_routing[8]; |
| 287 | unsigned long flags; |
| 288 | unsigned int pitch_target; |
| 289 | unsigned int ccis; |
| 290 | |
| 291 | voice = evoice->number; |
| 292 | stereo = runtime->channels == 2; |
| 293 | w_16 = snd_pcm_format_width(runtime->format) == 16; |
| 294 | |
| 295 | if (!extra && stereo) { |
| 296 | start_addr >>= 1; |
| 297 | end_addr >>= 1; |
| 298 | } |
| 299 | if (w_16) { |
| 300 | start_addr >>= 1; |
| 301 | end_addr >>= 1; |
| 302 | } |
| 303 | |
| 304 | spin_lock_irqsave(&emu->reg_lock, flags); |
| 305 | |
| 306 | /* volume parameters */ |
| 307 | if (extra) { |
| 308 | attn = 0; |
| 309 | memset(send_routing, 0, sizeof(send_routing)); |
| 310 | send_routing[0] = 0; |
| 311 | send_routing[1] = 1; |
| 312 | send_routing[2] = 2; |
| 313 | send_routing[3] = 3; |
| 314 | memset(send_amount, 0, sizeof(send_amount)); |
| 315 | } else { |
| 316 | /* mono, left, right (master voice = left) */ |
| 317 | tmp = stereo ? (master ? 1 : 2) : 0; |
| 318 | memcpy(send_routing, &mix->send_routing[tmp][0], 8); |
| 319 | memcpy(send_amount, &mix->send_volume[tmp][0], 8); |
| 320 | } |
| 321 | |
| 322 | ccis = emu10k1_ccis(stereo, w_16); |
| 323 | |
| 324 | if (master) { |
| 325 | evoice->epcm->ccca_start_addr = start_addr + ccis; |
| 326 | if (extra) { |
| 327 | start_addr += ccis; |
| 328 | end_addr += ccis; |
| 329 | } |
| 330 | if (stereo && !extra) { |
| 331 | snd_emu10k1_ptr_write(emu, CPF, voice, CPF_STEREO_MASK); |
| 332 | snd_emu10k1_ptr_write(emu, CPF, (voice + 1), CPF_STEREO_MASK); |
| 333 | } else { |
| 334 | snd_emu10k1_ptr_write(emu, CPF, voice, 0); |
| 335 | } |
| 336 | } |
| 337 | |
| 338 | // setup routing |
| 339 | if (emu->audigy) { |
| 340 | snd_emu10k1_ptr_write(emu, A_FXRT1, voice, |
| 341 | snd_emu10k1_compose_audigy_fxrt1(send_routing)); |
| 342 | snd_emu10k1_ptr_write(emu, A_FXRT2, voice, |
| 343 | snd_emu10k1_compose_audigy_fxrt2(send_routing)); |
| 344 | snd_emu10k1_ptr_write(emu, A_SENDAMOUNTS, voice, |
| 345 | ((unsigned int)send_amount[4] << 24) | |
| 346 | ((unsigned int)send_amount[5] << 16) | |
| 347 | ((unsigned int)send_amount[6] << 8) | |
| 348 | (unsigned int)send_amount[7]); |
| 349 | } else |
| 350 | snd_emu10k1_ptr_write(emu, FXRT, voice, |
| 351 | snd_emu10k1_compose_send_routing(send_routing)); |
| 352 | // Stop CA |
| 353 | // Assumption that PT is already 0 so no harm overwriting |
| 354 | snd_emu10k1_ptr_write(emu, PTRX, voice, (send_amount[0] << 8) | send_amount[1]); |
| 355 | snd_emu10k1_ptr_write(emu, DSL, voice, end_addr | (send_amount[3] << 24)); |
| 356 | snd_emu10k1_ptr_write(emu, PSST, voice, start_addr | (send_amount[2] << 24)); |
| 357 | pitch_target = emu10k1_calc_pitch_target(runtime->rate); |
| 358 | if (extra) |
| 359 | snd_emu10k1_ptr_write(emu, CCCA, voice, start_addr | |
| 360 | emu10k1_select_interprom(pitch_target) | |
| 361 | (w_16 ? 0 : CCCA_8BITSELECT)); |
| 362 | else |
| 363 | snd_emu10k1_ptr_write(emu, CCCA, voice, (start_addr + ccis) | |
| 364 | emu10k1_select_interprom(pitch_target) | |
| 365 | (w_16 ? 0 : CCCA_8BITSELECT)); |
| 366 | // Clear filter delay memory |
| 367 | snd_emu10k1_ptr_write(emu, Z1, voice, 0); |
| 368 | snd_emu10k1_ptr_write(emu, Z2, voice, 0); |
| 369 | // invalidate maps |
| 370 | silent_page = ((unsigned int)emu->silent_page.addr << 1) | MAP_PTI_MASK; |
| 371 | snd_emu10k1_ptr_write(emu, MAPA, voice, silent_page); |
| 372 | snd_emu10k1_ptr_write(emu, MAPB, voice, silent_page); |
| 373 | // modulation envelope |
| 374 | snd_emu10k1_ptr_write(emu, CVCF, voice, 0xffff); |
| 375 | snd_emu10k1_ptr_write(emu, VTFT, voice, 0xffff); |
| 376 | snd_emu10k1_ptr_write(emu, ATKHLDM, voice, 0); |
| 377 | snd_emu10k1_ptr_write(emu, DCYSUSM, voice, 0x007f); |
| 378 | snd_emu10k1_ptr_write(emu, LFOVAL1, voice, 0x8000); |
| 379 | snd_emu10k1_ptr_write(emu, LFOVAL2, voice, 0x8000); |
| 380 | snd_emu10k1_ptr_write(emu, FMMOD, voice, 0); |
| 381 | snd_emu10k1_ptr_write(emu, TREMFRQ, voice, 0); |
| 382 | snd_emu10k1_ptr_write(emu, FM2FRQ2, voice, 0); |
| 383 | snd_emu10k1_ptr_write(emu, ENVVAL, voice, 0x8000); |
| 384 | // volume envelope |
| 385 | snd_emu10k1_ptr_write(emu, ATKHLDV, voice, 0x7f7f); |
| 386 | snd_emu10k1_ptr_write(emu, ENVVOL, voice, 0x0000); |
| 387 | // filter envelope |
| 388 | snd_emu10k1_ptr_write(emu, PEFE_FILTERAMOUNT, voice, 0x7f); |
| 389 | // pitch envelope |
| 390 | snd_emu10k1_ptr_write(emu, PEFE_PITCHAMOUNT, voice, 0); |
| 391 | |
| 392 | spin_unlock_irqrestore(&emu->reg_lock, flags); |
| 393 | } |
| 394 | |
| 395 | static int snd_emu10k1_playback_hw_params(snd_pcm_substream_t * substream, |
| 396 | snd_pcm_hw_params_t * hw_params) |
| 397 | { |
| 398 | emu10k1_t *emu = snd_pcm_substream_chip(substream); |
| 399 | snd_pcm_runtime_t *runtime = substream->runtime; |
| 400 | emu10k1_pcm_t *epcm = runtime->private_data; |
| 401 | int err; |
| 402 | |
| 403 | if ((err = snd_emu10k1_pcm_channel_alloc(epcm, params_channels(hw_params))) < 0) |
| 404 | return err; |
| 405 | if ((err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params))) < 0) |
| 406 | return err; |
| 407 | if (err > 0) { /* change */ |
| 408 | snd_util_memblk_t *memblk; |
| 409 | if (epcm->memblk != NULL) |
| 410 | snd_emu10k1_free_pages(emu, epcm->memblk); |
| 411 | memblk = snd_emu10k1_alloc_pages(emu, substream); |
| 412 | if ((epcm->memblk = memblk) == NULL || ((emu10k1_memblk_t *)memblk)->mapped_page < 0) { |
| 413 | epcm->start_addr = 0; |
| 414 | return -ENOMEM; |
| 415 | } |
| 416 | epcm->start_addr = ((emu10k1_memblk_t *)memblk)->mapped_page << PAGE_SHIFT; |
| 417 | } |
| 418 | return 0; |
| 419 | } |
| 420 | |
| 421 | static int snd_emu10k1_playback_hw_free(snd_pcm_substream_t * substream) |
| 422 | { |
| 423 | emu10k1_t *emu = snd_pcm_substream_chip(substream); |
| 424 | snd_pcm_runtime_t *runtime = substream->runtime; |
| 425 | emu10k1_pcm_t *epcm; |
| 426 | |
| 427 | if (runtime->private_data == NULL) |
| 428 | return 0; |
| 429 | epcm = runtime->private_data; |
| 430 | if (epcm->extra) { |
| 431 | snd_emu10k1_voice_free(epcm->emu, epcm->extra); |
| 432 | epcm->extra = NULL; |
| 433 | } |
| 434 | if (epcm->voices[1]) { |
| 435 | snd_emu10k1_voice_free(epcm->emu, epcm->voices[1]); |
| 436 | epcm->voices[1] = NULL; |
| 437 | } |
| 438 | if (epcm->voices[0]) { |
| 439 | snd_emu10k1_voice_free(epcm->emu, epcm->voices[0]); |
| 440 | epcm->voices[0] = NULL; |
| 441 | } |
| 442 | if (epcm->memblk) { |
| 443 | snd_emu10k1_free_pages(emu, epcm->memblk); |
| 444 | epcm->memblk = NULL; |
| 445 | epcm->start_addr = 0; |
| 446 | } |
| 447 | snd_pcm_lib_free_pages(substream); |
| 448 | return 0; |
| 449 | } |
| 450 | |
| 451 | static int snd_emu10k1_efx_playback_hw_free(snd_pcm_substream_t * substream) |
| 452 | { |
| 453 | emu10k1_t *emu = snd_pcm_substream_chip(substream); |
| 454 | snd_pcm_runtime_t *runtime = substream->runtime; |
| 455 | emu10k1_pcm_t *epcm; |
| 456 | int i; |
| 457 | |
| 458 | if (runtime->private_data == NULL) |
| 459 | return 0; |
| 460 | epcm = runtime->private_data; |
| 461 | if (epcm->extra) { |
| 462 | snd_emu10k1_voice_free(epcm->emu, epcm->extra); |
| 463 | epcm->extra = NULL; |
| 464 | } |
| 465 | for (i=0; i < NUM_EFX_PLAYBACK; i++) { |
| 466 | if (epcm->voices[i]) { |
| 467 | snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]); |
| 468 | epcm->voices[i] = NULL; |
| 469 | } |
| 470 | } |
| 471 | if (epcm->memblk) { |
| 472 | snd_emu10k1_free_pages(emu, epcm->memblk); |
| 473 | epcm->memblk = NULL; |
| 474 | epcm->start_addr = 0; |
| 475 | } |
| 476 | snd_pcm_lib_free_pages(substream); |
| 477 | return 0; |
| 478 | } |
| 479 | |
| 480 | static int snd_emu10k1_playback_prepare(snd_pcm_substream_t * substream) |
| 481 | { |
| 482 | emu10k1_t *emu = snd_pcm_substream_chip(substream); |
| 483 | snd_pcm_runtime_t *runtime = substream->runtime; |
| 484 | emu10k1_pcm_t *epcm = runtime->private_data; |
| 485 | unsigned int start_addr, end_addr; |
| 486 | |
| 487 | start_addr = epcm->start_addr; |
| 488 | end_addr = snd_pcm_lib_period_bytes(substream); |
| 489 | if (runtime->channels == 2) { |
| 490 | start_addr >>= 1; |
| 491 | end_addr >>= 1; |
| 492 | } |
| 493 | end_addr += start_addr; |
| 494 | snd_emu10k1_pcm_init_voice(emu, 1, 1, epcm->extra, |
| 495 | start_addr, end_addr, NULL); |
| 496 | start_addr = epcm->start_addr; |
| 497 | end_addr = epcm->start_addr + snd_pcm_lib_buffer_bytes(substream); |
| 498 | snd_emu10k1_pcm_init_voice(emu, 1, 0, epcm->voices[0], |
| 499 | start_addr, end_addr, |
| 500 | &emu->pcm_mixer[substream->number]); |
| 501 | if (epcm->voices[1]) |
| 502 | snd_emu10k1_pcm_init_voice(emu, 0, 0, epcm->voices[1], |
| 503 | start_addr, end_addr, |
| 504 | &emu->pcm_mixer[substream->number]); |
| 505 | return 0; |
| 506 | } |
| 507 | |
| 508 | static int snd_emu10k1_efx_playback_prepare(snd_pcm_substream_t * substream) |
| 509 | { |
| 510 | emu10k1_t *emu = snd_pcm_substream_chip(substream); |
| 511 | snd_pcm_runtime_t *runtime = substream->runtime; |
| 512 | emu10k1_pcm_t *epcm = runtime->private_data; |
| 513 | unsigned int start_addr, end_addr; |
| 514 | unsigned int channel_size; |
| 515 | int i; |
| 516 | |
| 517 | start_addr = epcm->start_addr; |
| 518 | end_addr = epcm->start_addr + snd_pcm_lib_buffer_bytes(substream); |
| 519 | |
| 520 | /* |
| 521 | * the kX driver leaves some space between voices |
| 522 | */ |
| 523 | channel_size = ( end_addr - start_addr ) / NUM_EFX_PLAYBACK; |
| 524 | |
| 525 | snd_emu10k1_pcm_init_voice(emu, 1, 1, epcm->extra, |
| 526 | start_addr, start_addr + (channel_size / 2), NULL); |
| 527 | |
| 528 | /* only difference with the master voice is we use it for the pointer */ |
| 529 | snd_emu10k1_pcm_init_voice(emu, 1, 0, epcm->voices[0], |
| 530 | start_addr, start_addr + channel_size, |
| 531 | &emu->efx_pcm_mixer[0]); |
| 532 | |
| 533 | start_addr += channel_size; |
| 534 | for (i = 1; i < NUM_EFX_PLAYBACK; i++) { |
| 535 | snd_emu10k1_pcm_init_voice(emu, 0, 0, epcm->voices[i], |
| 536 | start_addr, start_addr + channel_size, |
| 537 | &emu->efx_pcm_mixer[i]); |
| 538 | start_addr += channel_size; |
| 539 | } |
| 540 | |
| 541 | return 0; |
| 542 | } |
| 543 | |
| 544 | static snd_pcm_hardware_t snd_emu10k1_efx_playback = |
| 545 | { |
| 546 | .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_NONINTERLEAVED | |
| 547 | SNDRV_PCM_INFO_BLOCK_TRANSFER | |
| 548 | SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_PAUSE), |
| 549 | .formats = SNDRV_PCM_FMTBIT_S16_LE, |
| 550 | .rates = SNDRV_PCM_RATE_48000, |
| 551 | .rate_min = 48000, |
| 552 | .rate_max = 48000, |
| 553 | .channels_min = NUM_EFX_PLAYBACK, |
| 554 | .channels_max = NUM_EFX_PLAYBACK, |
| 555 | .buffer_bytes_max = (64*1024), |
| 556 | .period_bytes_min = 64, |
| 557 | .period_bytes_max = (64*1024), |
| 558 | .periods_min = 2, |
| 559 | .periods_max = 2, |
| 560 | .fifo_size = 0, |
| 561 | }; |
| 562 | |
| 563 | static int snd_emu10k1_capture_hw_params(snd_pcm_substream_t * substream, |
| 564 | snd_pcm_hw_params_t * hw_params) |
| 565 | { |
| 566 | return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); |
| 567 | } |
| 568 | |
| 569 | static int snd_emu10k1_capture_hw_free(snd_pcm_substream_t * substream) |
| 570 | { |
| 571 | return snd_pcm_lib_free_pages(substream); |
| 572 | } |
| 573 | |
| 574 | static int snd_emu10k1_capture_prepare(snd_pcm_substream_t * substream) |
| 575 | { |
| 576 | emu10k1_t *emu = snd_pcm_substream_chip(substream); |
| 577 | snd_pcm_runtime_t *runtime = substream->runtime; |
| 578 | emu10k1_pcm_t *epcm = runtime->private_data; |
| 579 | int idx; |
| 580 | |
| 581 | /* zeroing the buffer size will stop capture */ |
| 582 | snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, 0); |
| 583 | switch (epcm->type) { |
| 584 | case CAPTURE_AC97ADC: |
| 585 | snd_emu10k1_ptr_write(emu, ADCCR, 0, 0); |
| 586 | break; |
| 587 | case CAPTURE_EFX: |
| 588 | if (emu->audigy) { |
| 589 | snd_emu10k1_ptr_write(emu, A_FXWC1, 0, 0); |
| 590 | snd_emu10k1_ptr_write(emu, A_FXWC2, 0, 0); |
| 591 | } else |
| 592 | snd_emu10k1_ptr_write(emu, FXWC, 0, 0); |
| 593 | break; |
| 594 | default: |
| 595 | break; |
| 596 | } |
| 597 | snd_emu10k1_ptr_write(emu, epcm->capture_ba_reg, 0, runtime->dma_addr); |
| 598 | epcm->capture_bufsize = snd_pcm_lib_buffer_bytes(substream); |
| 599 | epcm->capture_bs_val = 0; |
| 600 | for (idx = 0; idx < 31; idx++) { |
| 601 | if (capture_period_sizes[idx] == epcm->capture_bufsize) { |
| 602 | epcm->capture_bs_val = idx + 1; |
| 603 | break; |
| 604 | } |
| 605 | } |
| 606 | if (epcm->capture_bs_val == 0) { |
| 607 | snd_BUG(); |
| 608 | epcm->capture_bs_val++; |
| 609 | } |
| 610 | if (epcm->type == CAPTURE_AC97ADC) { |
| 611 | epcm->capture_cr_val = emu->audigy ? A_ADCCR_LCHANENABLE : ADCCR_LCHANENABLE; |
| 612 | if (runtime->channels > 1) |
| 613 | epcm->capture_cr_val |= emu->audigy ? A_ADCCR_RCHANENABLE : ADCCR_RCHANENABLE; |
| 614 | epcm->capture_cr_val |= emu->audigy ? |
| 615 | snd_emu10k1_audigy_capture_rate_reg(runtime->rate) : |
| 616 | snd_emu10k1_capture_rate_reg(runtime->rate); |
| 617 | } |
| 618 | return 0; |
| 619 | } |
| 620 | |
| 621 | static void snd_emu10k1_playback_invalidate_cache(emu10k1_t *emu, int extra, emu10k1_voice_t *evoice) |
| 622 | { |
| 623 | snd_pcm_runtime_t *runtime; |
| 624 | unsigned int voice, stereo, i, ccis, cra = 64, cs, sample; |
| 625 | |
| 626 | if (evoice == NULL) |
| 627 | return; |
| 628 | runtime = evoice->epcm->substream->runtime; |
| 629 | voice = evoice->number; |
| 630 | stereo = (!extra && runtime->channels == 2); |
| 631 | sample = snd_pcm_format_width(runtime->format) == 16 ? 0 : 0x80808080; |
| 632 | ccis = emu10k1_ccis(stereo, sample == 0); |
| 633 | // set cs to 2 * number of cache registers beside the invalidated |
| 634 | cs = (sample == 0) ? (32-ccis) : (64-ccis+1) >> 1; |
| 635 | if (cs > 16) cs = 16; |
| 636 | for (i = 0; i < cs; i++) { |
| 637 | snd_emu10k1_ptr_write(emu, CD0 + i, voice, sample); |
| 638 | if (stereo) { |
| 639 | snd_emu10k1_ptr_write(emu, CD0 + i, voice + 1, sample); |
| 640 | } |
| 641 | } |
| 642 | // reset cache |
| 643 | snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice, 0); |
| 644 | snd_emu10k1_ptr_write(emu, CCR_READADDRESS, voice, cra); |
| 645 | if (stereo) { |
| 646 | snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice + 1, 0); |
| 647 | snd_emu10k1_ptr_write(emu, CCR_READADDRESS, voice + 1, cra); |
| 648 | } |
| 649 | // fill cache |
| 650 | snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice, ccis); |
| 651 | if (stereo) { |
| 652 | snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice+1, ccis); |
| 653 | } |
| 654 | } |
| 655 | |
| 656 | static void snd_emu10k1_playback_prepare_voice(emu10k1_t *emu, emu10k1_voice_t *evoice, |
| 657 | int master, int extra, |
| 658 | emu10k1_pcm_mixer_t *mix) |
| 659 | { |
| 660 | snd_pcm_substream_t *substream; |
| 661 | snd_pcm_runtime_t *runtime; |
| 662 | unsigned int attn, vattn; |
| 663 | unsigned int voice, tmp; |
| 664 | |
| 665 | if (evoice == NULL) /* skip second voice for mono */ |
| 666 | return; |
| 667 | substream = evoice->epcm->substream; |
| 668 | runtime = substream->runtime; |
| 669 | voice = evoice->number; |
| 670 | |
| 671 | attn = extra ? 0 : 0x00ff; |
| 672 | tmp = runtime->channels == 2 ? (master ? 1 : 2) : 0; |
| 673 | vattn = mix != NULL ? (mix->attn[tmp] << 16) : 0; |
| 674 | snd_emu10k1_ptr_write(emu, IFATN, voice, attn); |
| 675 | snd_emu10k1_ptr_write(emu, VTFT, voice, vattn | 0xffff); |
| 676 | snd_emu10k1_ptr_write(emu, CVCF, voice, vattn | 0xffff); |
| 677 | snd_emu10k1_ptr_write(emu, DCYSUSV, voice, 0x7f7f); |
| 678 | snd_emu10k1_voice_clear_loop_stop(emu, voice); |
| 679 | } |
| 680 | |
| 681 | static void snd_emu10k1_playback_trigger_voice(emu10k1_t *emu, emu10k1_voice_t *evoice, int master, int extra) |
| 682 | { |
| 683 | snd_pcm_substream_t *substream; |
| 684 | snd_pcm_runtime_t *runtime; |
| 685 | unsigned int voice, pitch, pitch_target; |
| 686 | |
| 687 | if (evoice == NULL) /* skip second voice for mono */ |
| 688 | return; |
| 689 | substream = evoice->epcm->substream; |
| 690 | runtime = substream->runtime; |
| 691 | voice = evoice->number; |
| 692 | |
| 693 | pitch = snd_emu10k1_rate_to_pitch(runtime->rate) >> 8; |
| 694 | pitch_target = emu10k1_calc_pitch_target(runtime->rate); |
| 695 | snd_emu10k1_ptr_write(emu, PTRX_PITCHTARGET, voice, pitch_target); |
| 696 | if (master || evoice->epcm->type == PLAYBACK_EFX) |
| 697 | snd_emu10k1_ptr_write(emu, CPF_CURRENTPITCH, voice, pitch_target); |
| 698 | snd_emu10k1_ptr_write(emu, IP, voice, pitch); |
| 699 | if (extra) |
| 700 | snd_emu10k1_voice_intr_enable(emu, voice); |
| 701 | } |
| 702 | |
| 703 | static void snd_emu10k1_playback_stop_voice(emu10k1_t *emu, emu10k1_voice_t *evoice) |
| 704 | { |
| 705 | unsigned int voice; |
| 706 | |
| 707 | if (evoice == NULL) |
| 708 | return; |
| 709 | voice = evoice->number; |
| 710 | snd_emu10k1_voice_intr_disable(emu, voice); |
| 711 | snd_emu10k1_ptr_write(emu, PTRX_PITCHTARGET, voice, 0); |
| 712 | snd_emu10k1_ptr_write(emu, CPF_CURRENTPITCH, voice, 0); |
| 713 | snd_emu10k1_ptr_write(emu, IFATN, voice, 0xffff); |
| 714 | snd_emu10k1_ptr_write(emu, VTFT, voice, 0xffff); |
| 715 | snd_emu10k1_ptr_write(emu, CVCF, voice, 0xffff); |
| 716 | snd_emu10k1_ptr_write(emu, IP, voice, 0); |
| 717 | } |
| 718 | |
| 719 | static int snd_emu10k1_playback_trigger(snd_pcm_substream_t * substream, |
| 720 | int cmd) |
| 721 | { |
| 722 | emu10k1_t *emu = snd_pcm_substream_chip(substream); |
| 723 | snd_pcm_runtime_t *runtime = substream->runtime; |
| 724 | emu10k1_pcm_t *epcm = runtime->private_data; |
| 725 | emu10k1_pcm_mixer_t *mix; |
| 726 | int result = 0; |
| 727 | |
| 728 | // printk("trigger - emu10k1 = 0x%x, cmd = %i, pointer = %i\n", (int)emu, cmd, substream->ops->pointer(substream)); |
| 729 | spin_lock(&emu->reg_lock); |
| 730 | switch (cmd) { |
| 731 | case SNDRV_PCM_TRIGGER_START: |
| 732 | snd_emu10k1_playback_invalidate_cache(emu, 1, epcm->extra); /* do we need this? */ |
| 733 | snd_emu10k1_playback_invalidate_cache(emu, 0, epcm->voices[0]); |
| 734 | /* follow thru */ |
| 735 | case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: |
| 736 | mix = &emu->pcm_mixer[substream->number]; |
| 737 | snd_emu10k1_playback_prepare_voice(emu, epcm->voices[0], 1, 0, mix); |
| 738 | snd_emu10k1_playback_prepare_voice(emu, epcm->voices[1], 0, 0, mix); |
| 739 | snd_emu10k1_playback_prepare_voice(emu, epcm->extra, 1, 1, NULL); |
| 740 | snd_emu10k1_playback_trigger_voice(emu, epcm->voices[0], 1, 0); |
| 741 | snd_emu10k1_playback_trigger_voice(emu, epcm->voices[1], 0, 0); |
| 742 | snd_emu10k1_playback_trigger_voice(emu, epcm->extra, 1, 1); |
| 743 | epcm->running = 1; |
| 744 | break; |
| 745 | case SNDRV_PCM_TRIGGER_STOP: |
| 746 | case SNDRV_PCM_TRIGGER_PAUSE_PUSH: |
| 747 | epcm->running = 0; |
| 748 | snd_emu10k1_playback_stop_voice(emu, epcm->voices[0]); |
| 749 | snd_emu10k1_playback_stop_voice(emu, epcm->voices[1]); |
| 750 | snd_emu10k1_playback_stop_voice(emu, epcm->extra); |
| 751 | break; |
| 752 | default: |
| 753 | result = -EINVAL; |
| 754 | break; |
| 755 | } |
| 756 | spin_unlock(&emu->reg_lock); |
| 757 | return result; |
| 758 | } |
| 759 | |
| 760 | static int snd_emu10k1_capture_trigger(snd_pcm_substream_t * substream, |
| 761 | int cmd) |
| 762 | { |
| 763 | emu10k1_t *emu = snd_pcm_substream_chip(substream); |
| 764 | snd_pcm_runtime_t *runtime = substream->runtime; |
| 765 | emu10k1_pcm_t *epcm = runtime->private_data; |
| 766 | int result = 0; |
| 767 | |
| 768 | spin_lock(&emu->reg_lock); |
| 769 | switch (cmd) { |
| 770 | case SNDRV_PCM_TRIGGER_START: |
| 771 | // hmm this should cause full and half full interrupt to be raised? |
| 772 | outl(epcm->capture_ipr, emu->port + IPR); |
| 773 | snd_emu10k1_intr_enable(emu, epcm->capture_inte); |
| 774 | // printk("adccr = 0x%x, adcbs = 0x%x\n", epcm->adccr, epcm->adcbs); |
| 775 | switch (epcm->type) { |
| 776 | case CAPTURE_AC97ADC: |
| 777 | snd_emu10k1_ptr_write(emu, ADCCR, 0, epcm->capture_cr_val); |
| 778 | break; |
| 779 | case CAPTURE_EFX: |
| 780 | if (emu->audigy) { |
| 781 | snd_emu10k1_ptr_write(emu, A_FXWC1, 0, epcm->capture_cr_val); |
| 782 | snd_emu10k1_ptr_write(emu, A_FXWC2, 0, epcm->capture_cr_val2); |
| 783 | } else |
| 784 | snd_emu10k1_ptr_write(emu, FXWC, 0, epcm->capture_cr_val); |
| 785 | break; |
| 786 | default: |
| 787 | break; |
| 788 | } |
| 789 | snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, epcm->capture_bs_val); |
| 790 | epcm->running = 1; |
| 791 | epcm->first_ptr = 1; |
| 792 | break; |
| 793 | case SNDRV_PCM_TRIGGER_STOP: |
| 794 | epcm->running = 0; |
| 795 | snd_emu10k1_intr_disable(emu, epcm->capture_inte); |
| 796 | outl(epcm->capture_ipr, emu->port + IPR); |
| 797 | snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, 0); |
| 798 | switch (epcm->type) { |
| 799 | case CAPTURE_AC97ADC: |
| 800 | snd_emu10k1_ptr_write(emu, ADCCR, 0, 0); |
| 801 | break; |
| 802 | case CAPTURE_EFX: |
| 803 | if (emu->audigy) { |
| 804 | snd_emu10k1_ptr_write(emu, A_FXWC1, 0, 0); |
| 805 | snd_emu10k1_ptr_write(emu, A_FXWC2, 0, 0); |
| 806 | } else |
| 807 | snd_emu10k1_ptr_write(emu, FXWC, 0, 0); |
| 808 | break; |
| 809 | default: |
| 810 | break; |
| 811 | } |
| 812 | break; |
| 813 | default: |
| 814 | result = -EINVAL; |
| 815 | } |
| 816 | spin_unlock(&emu->reg_lock); |
| 817 | return result; |
| 818 | } |
| 819 | |
| 820 | static snd_pcm_uframes_t snd_emu10k1_playback_pointer(snd_pcm_substream_t * substream) |
| 821 | { |
| 822 | emu10k1_t *emu = snd_pcm_substream_chip(substream); |
| 823 | snd_pcm_runtime_t *runtime = substream->runtime; |
| 824 | emu10k1_pcm_t *epcm = runtime->private_data; |
| 825 | unsigned int ptr; |
| 826 | |
| 827 | if (!epcm->running) |
| 828 | return 0; |
| 829 | ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->voices[0]->number) & 0x00ffffff; |
| 830 | #if 0 /* Perex's code */ |
| 831 | ptr += runtime->buffer_size; |
| 832 | ptr -= epcm->ccca_start_addr; |
| 833 | ptr %= runtime->buffer_size; |
| 834 | #else /* EMU10K1 Open Source code from Creative */ |
| 835 | if (ptr < epcm->ccca_start_addr) |
| 836 | ptr += runtime->buffer_size - epcm->ccca_start_addr; |
| 837 | else { |
| 838 | ptr -= epcm->ccca_start_addr; |
| 839 | if (ptr >= runtime->buffer_size) |
| 840 | ptr -= runtime->buffer_size; |
| 841 | } |
| 842 | #endif |
| 843 | // printk("ptr = 0x%x, buffer_size = 0x%x, period_size = 0x%x\n", ptr, runtime->buffer_size, runtime->period_size); |
| 844 | return ptr; |
| 845 | } |
| 846 | |
| 847 | |
| 848 | static int snd_emu10k1_efx_playback_trigger(snd_pcm_substream_t * substream, |
| 849 | int cmd) |
| 850 | { |
| 851 | emu10k1_t *emu = snd_pcm_substream_chip(substream); |
| 852 | snd_pcm_runtime_t *runtime = substream->runtime; |
| 853 | emu10k1_pcm_t *epcm = runtime->private_data; |
| 854 | int i; |
| 855 | int result = 0; |
| 856 | |
| 857 | spin_lock(&emu->reg_lock); |
| 858 | switch (cmd) { |
| 859 | case SNDRV_PCM_TRIGGER_START: |
| 860 | // prepare voices |
| 861 | for (i = 0; i < NUM_EFX_PLAYBACK; i++) { |
| 862 | snd_emu10k1_playback_invalidate_cache(emu, 0, epcm->voices[i]); |
| 863 | } |
| 864 | snd_emu10k1_playback_invalidate_cache(emu, 1, epcm->extra); |
| 865 | |
| 866 | /* follow thru */ |
| 867 | case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: |
| 868 | snd_emu10k1_playback_prepare_voice(emu, epcm->extra, 1, 1, NULL); |
| 869 | snd_emu10k1_playback_prepare_voice(emu, epcm->voices[0], 0, 0, |
| 870 | &emu->efx_pcm_mixer[0]); |
| 871 | for (i = 1; i < NUM_EFX_PLAYBACK; i++) |
| 872 | snd_emu10k1_playback_prepare_voice(emu, epcm->voices[i], 0, 0, |
| 873 | &emu->efx_pcm_mixer[i]); |
| 874 | snd_emu10k1_playback_trigger_voice(emu, epcm->voices[0], 0, 0); |
| 875 | snd_emu10k1_playback_trigger_voice(emu, epcm->extra, 1, 1); |
| 876 | for (i = 1; i < NUM_EFX_PLAYBACK; i++) |
| 877 | snd_emu10k1_playback_trigger_voice(emu, epcm->voices[i], 0, 0); |
| 878 | epcm->running = 1; |
| 879 | break; |
| 880 | case SNDRV_PCM_TRIGGER_STOP: |
| 881 | case SNDRV_PCM_TRIGGER_PAUSE_PUSH: |
| 882 | epcm->running = 0; |
| 883 | for (i = 0; i < NUM_EFX_PLAYBACK; i++) { |
| 884 | snd_emu10k1_playback_stop_voice(emu, epcm->voices[i]); |
| 885 | } |
| 886 | snd_emu10k1_playback_stop_voice(emu, epcm->extra); |
| 887 | break; |
| 888 | default: |
| 889 | result = -EINVAL; |
| 890 | break; |
| 891 | } |
| 892 | spin_unlock(&emu->reg_lock); |
| 893 | return result; |
| 894 | } |
| 895 | |
| 896 | |
| 897 | static snd_pcm_uframes_t snd_emu10k1_capture_pointer(snd_pcm_substream_t * substream) |
| 898 | { |
| 899 | emu10k1_t *emu = snd_pcm_substream_chip(substream); |
| 900 | snd_pcm_runtime_t *runtime = substream->runtime; |
| 901 | emu10k1_pcm_t *epcm = runtime->private_data; |
| 902 | unsigned int ptr; |
| 903 | |
| 904 | if (!epcm->running) |
| 905 | return 0; |
| 906 | if (epcm->first_ptr) { |
| 907 | udelay(50); // hack, it takes awhile until capture is started |
| 908 | epcm->first_ptr = 0; |
| 909 | } |
| 910 | ptr = snd_emu10k1_ptr_read(emu, epcm->capture_idx_reg, 0) & 0x0000ffff; |
| 911 | return bytes_to_frames(runtime, ptr); |
| 912 | } |
| 913 | |
| 914 | /* |
| 915 | * Playback support device description |
| 916 | */ |
| 917 | |
| 918 | static snd_pcm_hardware_t snd_emu10k1_playback = |
| 919 | { |
| 920 | .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | |
| 921 | SNDRV_PCM_INFO_BLOCK_TRANSFER | |
| 922 | SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_PAUSE), |
| 923 | .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, |
| 924 | .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_96000, |
| 925 | .rate_min = 4000, |
| 926 | .rate_max = 96000, |
| 927 | .channels_min = 1, |
| 928 | .channels_max = 2, |
| 929 | .buffer_bytes_max = (128*1024), |
| 930 | .period_bytes_min = 64, |
| 931 | .period_bytes_max = (128*1024), |
| 932 | .periods_min = 1, |
| 933 | .periods_max = 1024, |
| 934 | .fifo_size = 0, |
| 935 | }; |
| 936 | |
| 937 | /* |
| 938 | * Capture support device description |
| 939 | */ |
| 940 | |
| 941 | static snd_pcm_hardware_t snd_emu10k1_capture = |
| 942 | { |
| 943 | .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | |
| 944 | SNDRV_PCM_INFO_BLOCK_TRANSFER | |
| 945 | SNDRV_PCM_INFO_MMAP_VALID), |
| 946 | .formats = SNDRV_PCM_FMTBIT_S16_LE, |
| 947 | .rates = SNDRV_PCM_RATE_8000_48000, |
| 948 | .rate_min = 8000, |
| 949 | .rate_max = 48000, |
| 950 | .channels_min = 1, |
| 951 | .channels_max = 2, |
| 952 | .buffer_bytes_max = (64*1024), |
| 953 | .period_bytes_min = 384, |
| 954 | .period_bytes_max = (64*1024), |
| 955 | .periods_min = 2, |
| 956 | .periods_max = 2, |
| 957 | .fifo_size = 0, |
| 958 | }; |
| 959 | |
| 960 | /* |
| 961 | * |
| 962 | */ |
| 963 | |
| 964 | static void snd_emu10k1_pcm_mixer_notify1(emu10k1_t *emu, snd_kcontrol_t *kctl, int idx, int activate) |
| 965 | { |
| 966 | snd_ctl_elem_id_t id; |
| 967 | |
| 968 | snd_runtime_check(kctl != NULL, return); |
| 969 | if (activate) |
| 970 | kctl->vd[idx].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE; |
| 971 | else |
| 972 | kctl->vd[idx].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE; |
| 973 | snd_ctl_notify(emu->card, SNDRV_CTL_EVENT_MASK_VALUE | |
| 974 | SNDRV_CTL_EVENT_MASK_INFO, |
| 975 | snd_ctl_build_ioff(&id, kctl, idx)); |
| 976 | } |
| 977 | |
| 978 | static void snd_emu10k1_pcm_mixer_notify(emu10k1_t *emu, int idx, int activate) |
| 979 | { |
| 980 | snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_send_routing, idx, activate); |
| 981 | snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_send_volume, idx, activate); |
| 982 | snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_attn, idx, activate); |
| 983 | } |
| 984 | |
| 985 | static void snd_emu10k1_pcm_efx_mixer_notify(emu10k1_t *emu, int idx, int activate) |
| 986 | { |
| 987 | snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_send_routing, idx, activate); |
| 988 | snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_send_volume, idx, activate); |
| 989 | snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_attn, idx, activate); |
| 990 | } |
| 991 | |
| 992 | static void snd_emu10k1_pcm_free_substream(snd_pcm_runtime_t *runtime) |
| 993 | { |
| 994 | emu10k1_pcm_t *epcm = runtime->private_data; |
| 995 | |
| 996 | kfree(epcm); |
| 997 | } |
| 998 | |
| 999 | static int snd_emu10k1_efx_playback_close(snd_pcm_substream_t * substream) |
| 1000 | { |
| 1001 | emu10k1_t *emu = snd_pcm_substream_chip(substream); |
| 1002 | emu10k1_pcm_mixer_t *mix; |
| 1003 | int i; |
| 1004 | |
| 1005 | for (i=0; i < NUM_EFX_PLAYBACK; i++) { |
| 1006 | mix = &emu->efx_pcm_mixer[i]; |
| 1007 | mix->epcm = NULL; |
| 1008 | snd_emu10k1_pcm_efx_mixer_notify(emu, i, 0); |
| 1009 | } |
| 1010 | return 0; |
| 1011 | } |
| 1012 | |
| 1013 | static int snd_emu10k1_efx_playback_open(snd_pcm_substream_t * substream) |
| 1014 | { |
| 1015 | emu10k1_t *emu = snd_pcm_substream_chip(substream); |
| 1016 | emu10k1_pcm_t *epcm; |
| 1017 | emu10k1_pcm_mixer_t *mix; |
| 1018 | snd_pcm_runtime_t *runtime = substream->runtime; |
| 1019 | int i; |
| 1020 | |
| 1021 | epcm = kcalloc(1, sizeof(*epcm), GFP_KERNEL); |
| 1022 | if (epcm == NULL) |
| 1023 | return -ENOMEM; |
| 1024 | epcm->emu = emu; |
| 1025 | epcm->type = PLAYBACK_EFX; |
| 1026 | epcm->substream = substream; |
| 1027 | |
| 1028 | emu->pcm_playback_efx_substream = substream; |
| 1029 | |
| 1030 | runtime->private_data = epcm; |
| 1031 | runtime->private_free = snd_emu10k1_pcm_free_substream; |
| 1032 | runtime->hw = snd_emu10k1_efx_playback; |
| 1033 | |
| 1034 | for (i=0; i < NUM_EFX_PLAYBACK; i++) { |
| 1035 | mix = &emu->efx_pcm_mixer[i]; |
| 1036 | mix->send_routing[0][0] = i; |
| 1037 | memset(&mix->send_volume, 0, sizeof(mix->send_volume)); |
| 1038 | mix->send_volume[0][0] = 255; |
| 1039 | mix->attn[0] = 0xffff; |
| 1040 | mix->epcm = epcm; |
| 1041 | snd_emu10k1_pcm_efx_mixer_notify(emu, i, 1); |
| 1042 | } |
| 1043 | return 0; |
| 1044 | } |
| 1045 | |
| 1046 | static int snd_emu10k1_playback_open(snd_pcm_substream_t * substream) |
| 1047 | { |
| 1048 | emu10k1_t *emu = snd_pcm_substream_chip(substream); |
| 1049 | emu10k1_pcm_t *epcm; |
| 1050 | emu10k1_pcm_mixer_t *mix; |
| 1051 | snd_pcm_runtime_t *runtime = substream->runtime; |
| 1052 | int i, err; |
| 1053 | |
| 1054 | epcm = kcalloc(1, sizeof(*epcm), GFP_KERNEL); |
| 1055 | if (epcm == NULL) |
| 1056 | return -ENOMEM; |
| 1057 | epcm->emu = emu; |
| 1058 | epcm->type = PLAYBACK_EMUVOICE; |
| 1059 | epcm->substream = substream; |
| 1060 | runtime->private_data = epcm; |
| 1061 | runtime->private_free = snd_emu10k1_pcm_free_substream; |
| 1062 | runtime->hw = snd_emu10k1_playback; |
| 1063 | if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) { |
| 1064 | kfree(epcm); |
| 1065 | return err; |
| 1066 | } |
| 1067 | if ((err = snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 256, UINT_MAX)) < 0) { |
| 1068 | kfree(epcm); |
| 1069 | return err; |
| 1070 | } |
| 1071 | mix = &emu->pcm_mixer[substream->number]; |
| 1072 | for (i = 0; i < 4; i++) |
| 1073 | mix->send_routing[0][i] = mix->send_routing[1][i] = mix->send_routing[2][i] = i; |
| 1074 | memset(&mix->send_volume, 0, sizeof(mix->send_volume)); |
| 1075 | mix->send_volume[0][0] = mix->send_volume[0][1] = |
| 1076 | mix->send_volume[1][0] = mix->send_volume[2][1] = 255; |
| 1077 | mix->attn[0] = mix->attn[1] = mix->attn[2] = 0xffff; |
| 1078 | mix->epcm = epcm; |
| 1079 | snd_emu10k1_pcm_mixer_notify(emu, substream->number, 1); |
| 1080 | return 0; |
| 1081 | } |
| 1082 | |
| 1083 | static int snd_emu10k1_playback_close(snd_pcm_substream_t * substream) |
| 1084 | { |
| 1085 | emu10k1_t *emu = snd_pcm_substream_chip(substream); |
| 1086 | emu10k1_pcm_mixer_t *mix = &emu->pcm_mixer[substream->number]; |
| 1087 | |
| 1088 | mix->epcm = NULL; |
| 1089 | snd_emu10k1_pcm_mixer_notify(emu, substream->number, 0); |
| 1090 | return 0; |
| 1091 | } |
| 1092 | |
| 1093 | static int snd_emu10k1_capture_open(snd_pcm_substream_t * substream) |
| 1094 | { |
| 1095 | emu10k1_t *emu = snd_pcm_substream_chip(substream); |
| 1096 | snd_pcm_runtime_t *runtime = substream->runtime; |
| 1097 | emu10k1_pcm_t *epcm; |
| 1098 | |
| 1099 | epcm = kcalloc(1, sizeof(*epcm), GFP_KERNEL); |
| 1100 | if (epcm == NULL) |
| 1101 | return -ENOMEM; |
| 1102 | epcm->emu = emu; |
| 1103 | epcm->type = CAPTURE_AC97ADC; |
| 1104 | epcm->substream = substream; |
| 1105 | epcm->capture_ipr = IPR_ADCBUFFULL|IPR_ADCBUFHALFFULL; |
| 1106 | epcm->capture_inte = INTE_ADCBUFENABLE; |
| 1107 | epcm->capture_ba_reg = ADCBA; |
| 1108 | epcm->capture_bs_reg = ADCBS; |
| 1109 | epcm->capture_idx_reg = emu->audigy ? A_ADCIDX : ADCIDX; |
| 1110 | runtime->private_data = epcm; |
| 1111 | runtime->private_free = snd_emu10k1_pcm_free_substream; |
| 1112 | runtime->hw = snd_emu10k1_capture; |
| 1113 | emu->capture_interrupt = snd_emu10k1_pcm_ac97adc_interrupt; |
| 1114 | emu->pcm_capture_substream = substream; |
| 1115 | snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes); |
| 1116 | snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_capture_rates); |
| 1117 | return 0; |
| 1118 | } |
| 1119 | |
| 1120 | static int snd_emu10k1_capture_close(snd_pcm_substream_t * substream) |
| 1121 | { |
| 1122 | emu10k1_t *emu = snd_pcm_substream_chip(substream); |
| 1123 | |
| 1124 | emu->capture_interrupt = NULL; |
| 1125 | emu->pcm_capture_substream = NULL; |
| 1126 | return 0; |
| 1127 | } |
| 1128 | |
| 1129 | static int snd_emu10k1_capture_mic_open(snd_pcm_substream_t * substream) |
| 1130 | { |
| 1131 | emu10k1_t *emu = snd_pcm_substream_chip(substream); |
| 1132 | emu10k1_pcm_t *epcm; |
| 1133 | snd_pcm_runtime_t *runtime = substream->runtime; |
| 1134 | |
| 1135 | epcm = kcalloc(1, sizeof(*epcm), GFP_KERNEL); |
| 1136 | if (epcm == NULL) |
| 1137 | return -ENOMEM; |
| 1138 | epcm->emu = emu; |
| 1139 | epcm->type = CAPTURE_AC97MIC; |
| 1140 | epcm->substream = substream; |
| 1141 | epcm->capture_ipr = IPR_MICBUFFULL|IPR_MICBUFHALFFULL; |
| 1142 | epcm->capture_inte = INTE_MICBUFENABLE; |
| 1143 | epcm->capture_ba_reg = MICBA; |
| 1144 | epcm->capture_bs_reg = MICBS; |
| 1145 | epcm->capture_idx_reg = emu->audigy ? A_MICIDX : MICIDX; |
| 1146 | substream->runtime->private_data = epcm; |
| 1147 | substream->runtime->private_free = snd_emu10k1_pcm_free_substream; |
| 1148 | runtime->hw = snd_emu10k1_capture; |
| 1149 | runtime->hw.rates = SNDRV_PCM_RATE_8000; |
| 1150 | runtime->hw.rate_min = runtime->hw.rate_max = 8000; |
| 1151 | runtime->hw.channels_min = 1; |
| 1152 | emu->capture_mic_interrupt = snd_emu10k1_pcm_ac97mic_interrupt; |
| 1153 | emu->pcm_capture_mic_substream = substream; |
| 1154 | snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes); |
| 1155 | return 0; |
| 1156 | } |
| 1157 | |
| 1158 | static int snd_emu10k1_capture_mic_close(snd_pcm_substream_t * substream) |
| 1159 | { |
| 1160 | emu10k1_t *emu = snd_pcm_substream_chip(substream); |
| 1161 | |
| 1162 | emu->capture_interrupt = NULL; |
| 1163 | emu->pcm_capture_mic_substream = NULL; |
| 1164 | return 0; |
| 1165 | } |
| 1166 | |
| 1167 | static int snd_emu10k1_capture_efx_open(snd_pcm_substream_t * substream) |
| 1168 | { |
| 1169 | emu10k1_t *emu = snd_pcm_substream_chip(substream); |
| 1170 | emu10k1_pcm_t *epcm; |
| 1171 | snd_pcm_runtime_t *runtime = substream->runtime; |
| 1172 | int nefx = emu->audigy ? 64 : 32; |
| 1173 | int idx; |
| 1174 | |
| 1175 | epcm = kcalloc(1, sizeof(*epcm), GFP_KERNEL); |
| 1176 | if (epcm == NULL) |
| 1177 | return -ENOMEM; |
| 1178 | epcm->emu = emu; |
| 1179 | epcm->type = CAPTURE_EFX; |
| 1180 | epcm->substream = substream; |
| 1181 | epcm->capture_ipr = IPR_EFXBUFFULL|IPR_EFXBUFHALFFULL; |
| 1182 | epcm->capture_inte = INTE_EFXBUFENABLE; |
| 1183 | epcm->capture_ba_reg = FXBA; |
| 1184 | epcm->capture_bs_reg = FXBS; |
| 1185 | epcm->capture_idx_reg = FXIDX; |
| 1186 | substream->runtime->private_data = epcm; |
| 1187 | substream->runtime->private_free = snd_emu10k1_pcm_free_substream; |
| 1188 | runtime->hw = snd_emu10k1_capture; |
| 1189 | runtime->hw.rates = SNDRV_PCM_RATE_48000; |
| 1190 | runtime->hw.rate_min = runtime->hw.rate_max = 48000; |
| 1191 | spin_lock_irq(&emu->reg_lock); |
| 1192 | runtime->hw.channels_min = runtime->hw.channels_max = 0; |
| 1193 | for (idx = 0; idx < nefx; idx++) { |
| 1194 | if (emu->efx_voices_mask[idx/32] & (1 << (idx%32))) { |
| 1195 | runtime->hw.channels_min++; |
| 1196 | runtime->hw.channels_max++; |
| 1197 | } |
| 1198 | } |
| 1199 | epcm->capture_cr_val = emu->efx_voices_mask[0]; |
| 1200 | epcm->capture_cr_val2 = emu->efx_voices_mask[1]; |
| 1201 | spin_unlock_irq(&emu->reg_lock); |
| 1202 | emu->capture_efx_interrupt = snd_emu10k1_pcm_efx_interrupt; |
| 1203 | emu->pcm_capture_efx_substream = substream; |
| 1204 | snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes); |
| 1205 | return 0; |
| 1206 | } |
| 1207 | |
| 1208 | static int snd_emu10k1_capture_efx_close(snd_pcm_substream_t * substream) |
| 1209 | { |
| 1210 | emu10k1_t *emu = snd_pcm_substream_chip(substream); |
| 1211 | |
| 1212 | emu->capture_interrupt = NULL; |
| 1213 | emu->pcm_capture_efx_substream = NULL; |
| 1214 | return 0; |
| 1215 | } |
| 1216 | |
| 1217 | static snd_pcm_ops_t snd_emu10k1_playback_ops = { |
| 1218 | .open = snd_emu10k1_playback_open, |
| 1219 | .close = snd_emu10k1_playback_close, |
| 1220 | .ioctl = snd_pcm_lib_ioctl, |
| 1221 | .hw_params = snd_emu10k1_playback_hw_params, |
| 1222 | .hw_free = snd_emu10k1_playback_hw_free, |
| 1223 | .prepare = snd_emu10k1_playback_prepare, |
| 1224 | .trigger = snd_emu10k1_playback_trigger, |
| 1225 | .pointer = snd_emu10k1_playback_pointer, |
| 1226 | .page = snd_pcm_sgbuf_ops_page, |
| 1227 | }; |
| 1228 | |
| 1229 | static snd_pcm_ops_t snd_emu10k1_capture_ops = { |
| 1230 | .open = snd_emu10k1_capture_open, |
| 1231 | .close = snd_emu10k1_capture_close, |
| 1232 | .ioctl = snd_pcm_lib_ioctl, |
| 1233 | .hw_params = snd_emu10k1_capture_hw_params, |
| 1234 | .hw_free = snd_emu10k1_capture_hw_free, |
| 1235 | .prepare = snd_emu10k1_capture_prepare, |
| 1236 | .trigger = snd_emu10k1_capture_trigger, |
| 1237 | .pointer = snd_emu10k1_capture_pointer, |
| 1238 | }; |
| 1239 | |
| 1240 | /* EFX playback */ |
| 1241 | static snd_pcm_ops_t snd_emu10k1_efx_playback_ops = { |
| 1242 | .open = snd_emu10k1_efx_playback_open, |
| 1243 | .close = snd_emu10k1_efx_playback_close, |
| 1244 | .ioctl = snd_pcm_lib_ioctl, |
| 1245 | .hw_params = snd_emu10k1_playback_hw_params, |
| 1246 | .hw_free = snd_emu10k1_efx_playback_hw_free, |
| 1247 | .prepare = snd_emu10k1_efx_playback_prepare, |
| 1248 | .trigger = snd_emu10k1_efx_playback_trigger, |
| 1249 | .pointer = snd_emu10k1_efx_playback_pointer, |
| 1250 | .page = snd_pcm_sgbuf_ops_page, |
| 1251 | }; |
| 1252 | |
| 1253 | static void snd_emu10k1_pcm_free(snd_pcm_t *pcm) |
| 1254 | { |
| 1255 | emu10k1_t *emu = pcm->private_data; |
| 1256 | emu->pcm = NULL; |
| 1257 | snd_pcm_lib_preallocate_free_for_all(pcm); |
| 1258 | } |
| 1259 | |
| 1260 | int __devinit snd_emu10k1_pcm(emu10k1_t * emu, int device, snd_pcm_t ** rpcm) |
| 1261 | { |
| 1262 | snd_pcm_t *pcm; |
| 1263 | snd_pcm_substream_t *substream; |
| 1264 | int err; |
| 1265 | |
| 1266 | if (rpcm) |
| 1267 | *rpcm = NULL; |
| 1268 | |
| 1269 | if ((err = snd_pcm_new(emu->card, "emu10k1", device, 32, 1, &pcm)) < 0) |
| 1270 | return err; |
| 1271 | |
| 1272 | pcm->private_data = emu; |
| 1273 | pcm->private_free = snd_emu10k1_pcm_free; |
| 1274 | |
| 1275 | snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_playback_ops); |
| 1276 | snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_ops); |
| 1277 | |
| 1278 | pcm->info_flags = 0; |
| 1279 | pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX; |
| 1280 | strcpy(pcm->name, "ADC Capture/Standard PCM Playback"); |
| 1281 | emu->pcm = pcm; |
| 1282 | |
| 1283 | for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next) |
| 1284 | if ((err = snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV_SG, snd_dma_pci_data(emu->pci), 64*1024, 64*1024)) < 0) |
| 1285 | return err; |
| 1286 | |
| 1287 | for (substream = pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream; substream; substream = substream->next) |
| 1288 | snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024); |
| 1289 | |
| 1290 | if (rpcm) |
| 1291 | *rpcm = pcm; |
| 1292 | |
| 1293 | return 0; |
| 1294 | } |
| 1295 | |
| 1296 | int __devinit snd_emu10k1_pcm_multi(emu10k1_t * emu, int device, snd_pcm_t ** rpcm) |
| 1297 | { |
| 1298 | snd_pcm_t *pcm; |
| 1299 | snd_pcm_substream_t *substream; |
| 1300 | int err; |
| 1301 | |
| 1302 | if (rpcm) |
| 1303 | *rpcm = NULL; |
| 1304 | |
| 1305 | if ((err = snd_pcm_new(emu->card, "emu10k1", device, 1, 0, &pcm)) < 0) |
| 1306 | return err; |
| 1307 | |
| 1308 | pcm->private_data = emu; |
| 1309 | pcm->private_free = snd_emu10k1_pcm_free; |
| 1310 | |
| 1311 | snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_efx_playback_ops); |
| 1312 | |
| 1313 | pcm->info_flags = 0; |
| 1314 | pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX; |
| 1315 | strcpy(pcm->name, "Multichannel Playback"); |
| 1316 | emu->pcm = pcm; |
| 1317 | |
| 1318 | for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next) |
| 1319 | if ((err = snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV_SG, snd_dma_pci_data(emu->pci), 64*1024, 64*1024)) < 0) |
| 1320 | return err; |
| 1321 | |
| 1322 | if (rpcm) |
| 1323 | *rpcm = pcm; |
| 1324 | |
| 1325 | return 0; |
| 1326 | } |
| 1327 | |
| 1328 | |
| 1329 | static snd_pcm_ops_t snd_emu10k1_capture_mic_ops = { |
| 1330 | .open = snd_emu10k1_capture_mic_open, |
| 1331 | .close = snd_emu10k1_capture_mic_close, |
| 1332 | .ioctl = snd_pcm_lib_ioctl, |
| 1333 | .hw_params = snd_emu10k1_capture_hw_params, |
| 1334 | .hw_free = snd_emu10k1_capture_hw_free, |
| 1335 | .prepare = snd_emu10k1_capture_prepare, |
| 1336 | .trigger = snd_emu10k1_capture_trigger, |
| 1337 | .pointer = snd_emu10k1_capture_pointer, |
| 1338 | }; |
| 1339 | |
| 1340 | static void snd_emu10k1_pcm_mic_free(snd_pcm_t *pcm) |
| 1341 | { |
| 1342 | emu10k1_t *emu = pcm->private_data; |
| 1343 | emu->pcm_mic = NULL; |
| 1344 | snd_pcm_lib_preallocate_free_for_all(pcm); |
| 1345 | } |
| 1346 | |
| 1347 | int __devinit snd_emu10k1_pcm_mic(emu10k1_t * emu, int device, snd_pcm_t ** rpcm) |
| 1348 | { |
| 1349 | snd_pcm_t *pcm; |
| 1350 | int err; |
| 1351 | |
| 1352 | if (rpcm) |
| 1353 | *rpcm = NULL; |
| 1354 | |
| 1355 | if ((err = snd_pcm_new(emu->card, "emu10k1 mic", device, 0, 1, &pcm)) < 0) |
| 1356 | return err; |
| 1357 | |
| 1358 | pcm->private_data = emu; |
| 1359 | pcm->private_free = snd_emu10k1_pcm_mic_free; |
| 1360 | |
| 1361 | snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_mic_ops); |
| 1362 | |
| 1363 | pcm->info_flags = 0; |
| 1364 | strcpy(pcm->name, "Mic Capture"); |
| 1365 | emu->pcm_mic = pcm; |
| 1366 | |
| 1367 | snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024); |
| 1368 | |
| 1369 | if (rpcm) |
| 1370 | *rpcm = pcm; |
| 1371 | return 0; |
| 1372 | } |
| 1373 | |
| 1374 | static int snd_emu10k1_pcm_efx_voices_mask_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo) |
| 1375 | { |
| 1376 | emu10k1_t *emu = snd_kcontrol_chip(kcontrol); |
| 1377 | int nefx = emu->audigy ? 64 : 32; |
| 1378 | uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; |
| 1379 | uinfo->count = nefx; |
| 1380 | uinfo->value.integer.min = 0; |
| 1381 | uinfo->value.integer.max = 1; |
| 1382 | return 0; |
| 1383 | } |
| 1384 | |
| 1385 | static int snd_emu10k1_pcm_efx_voices_mask_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) |
| 1386 | { |
| 1387 | emu10k1_t *emu = snd_kcontrol_chip(kcontrol); |
| 1388 | int nefx = emu->audigy ? 64 : 32; |
| 1389 | int idx; |
| 1390 | |
| 1391 | spin_lock_irq(&emu->reg_lock); |
| 1392 | for (idx = 0; idx < nefx; idx++) |
| 1393 | ucontrol->value.integer.value[idx] = (emu->efx_voices_mask[idx / 32] & (1 << (idx % 32))) ? 1 : 0; |
| 1394 | spin_unlock_irq(&emu->reg_lock); |
| 1395 | return 0; |
| 1396 | } |
| 1397 | |
| 1398 | static int snd_emu10k1_pcm_efx_voices_mask_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) |
| 1399 | { |
| 1400 | emu10k1_t *emu = snd_kcontrol_chip(kcontrol); |
| 1401 | unsigned int nval[2], bits; |
| 1402 | int nefx = emu->audigy ? 64 : 32; |
| 1403 | int nefxb = emu->audigy ? 7 : 6; |
| 1404 | int change, idx; |
| 1405 | |
| 1406 | nval[0] = nval[1] = 0; |
| 1407 | for (idx = 0, bits = 0; idx < nefx; idx++) |
| 1408 | if (ucontrol->value.integer.value[idx]) { |
| 1409 | nval[idx / 32] |= 1 << (idx % 32); |
| 1410 | bits++; |
| 1411 | } |
| 1412 | |
| 1413 | for (idx = 0; idx < nefxb; idx++) |
| 1414 | if (1 << idx == bits) |
| 1415 | break; |
| 1416 | |
| 1417 | if (idx >= nefxb) |
| 1418 | return -EINVAL; |
| 1419 | |
| 1420 | spin_lock_irq(&emu->reg_lock); |
| 1421 | change = (nval[0] != emu->efx_voices_mask[0]) || |
| 1422 | (nval[1] != emu->efx_voices_mask[1]); |
| 1423 | emu->efx_voices_mask[0] = nval[0]; |
| 1424 | emu->efx_voices_mask[1] = nval[1]; |
| 1425 | spin_unlock_irq(&emu->reg_lock); |
| 1426 | return change; |
| 1427 | } |
| 1428 | |
| 1429 | static snd_kcontrol_new_t snd_emu10k1_pcm_efx_voices_mask = { |
| 1430 | .iface = SNDRV_CTL_ELEM_IFACE_PCM, |
| 1431 | .name = "Captured FX8010 Outputs", |
| 1432 | .info = snd_emu10k1_pcm_efx_voices_mask_info, |
| 1433 | .get = snd_emu10k1_pcm_efx_voices_mask_get, |
| 1434 | .put = snd_emu10k1_pcm_efx_voices_mask_put |
| 1435 | }; |
| 1436 | |
| 1437 | static snd_pcm_ops_t snd_emu10k1_capture_efx_ops = { |
| 1438 | .open = snd_emu10k1_capture_efx_open, |
| 1439 | .close = snd_emu10k1_capture_efx_close, |
| 1440 | .ioctl = snd_pcm_lib_ioctl, |
| 1441 | .hw_params = snd_emu10k1_capture_hw_params, |
| 1442 | .hw_free = snd_emu10k1_capture_hw_free, |
| 1443 | .prepare = snd_emu10k1_capture_prepare, |
| 1444 | .trigger = snd_emu10k1_capture_trigger, |
| 1445 | .pointer = snd_emu10k1_capture_pointer, |
| 1446 | }; |
| 1447 | |
| 1448 | |
| 1449 | /* EFX playback */ |
| 1450 | |
| 1451 | #define INITIAL_TRAM_SHIFT 14 |
| 1452 | #define INITIAL_TRAM_POS(size) ((((size) / 2) - INITIAL_TRAM_SHIFT) - 1) |
| 1453 | |
| 1454 | static void snd_emu10k1_fx8010_playback_irq(emu10k1_t *emu, void *private_data) |
| 1455 | { |
| 1456 | snd_pcm_substream_t *substream = private_data; |
| 1457 | snd_pcm_period_elapsed(substream); |
| 1458 | } |
| 1459 | |
| 1460 | static void snd_emu10k1_fx8010_playback_tram_poke1(unsigned short *dst_left, |
| 1461 | unsigned short *dst_right, |
| 1462 | unsigned short *src, |
| 1463 | unsigned int count, |
| 1464 | unsigned int tram_shift) |
| 1465 | { |
| 1466 | // printk("tram_poke1: dst_left = 0x%p, dst_right = 0x%p, src = 0x%p, count = 0x%x\n", dst_left, dst_right, src, count); |
| 1467 | if ((tram_shift & 1) == 0) { |
| 1468 | while (count--) { |
| 1469 | *dst_left-- = *src++; |
| 1470 | *dst_right-- = *src++; |
| 1471 | } |
| 1472 | } else { |
| 1473 | while (count--) { |
| 1474 | *dst_right-- = *src++; |
| 1475 | *dst_left-- = *src++; |
| 1476 | } |
| 1477 | } |
| 1478 | } |
| 1479 | |
| 1480 | static void fx8010_pb_trans_copy(snd_pcm_substream_t *substream, |
| 1481 | snd_pcm_indirect_t *rec, size_t bytes) |
| 1482 | { |
| 1483 | emu10k1_t *emu = snd_pcm_substream_chip(substream); |
| 1484 | snd_emu10k1_fx8010_pcm_t *pcm = &emu->fx8010.pcm[substream->number]; |
| 1485 | unsigned int tram_size = pcm->buffer_size; |
| 1486 | unsigned short *src = (unsigned short *)(substream->runtime->dma_area + rec->sw_data); |
| 1487 | unsigned int frames = bytes >> 2, count; |
| 1488 | unsigned int tram_pos = pcm->tram_pos; |
| 1489 | unsigned int tram_shift = pcm->tram_shift; |
| 1490 | |
| 1491 | while (frames > tram_pos) { |
| 1492 | count = tram_pos + 1; |
| 1493 | snd_emu10k1_fx8010_playback_tram_poke1((unsigned short *)emu->fx8010.etram_pages.area + tram_pos, |
| 1494 | (unsigned short *)emu->fx8010.etram_pages.area + tram_pos + tram_size / 2, |
| 1495 | src, count, tram_shift); |
| 1496 | src += count * 2; |
| 1497 | frames -= count; |
| 1498 | tram_pos = (tram_size / 2) - 1; |
| 1499 | tram_shift++; |
| 1500 | } |
| 1501 | snd_emu10k1_fx8010_playback_tram_poke1((unsigned short *)emu->fx8010.etram_pages.area + tram_pos, |
| 1502 | (unsigned short *)emu->fx8010.etram_pages.area + tram_pos + tram_size / 2, |
| 1503 | src, frames, tram_shift); |
| 1504 | tram_pos -= frames; |
| 1505 | pcm->tram_pos = tram_pos; |
| 1506 | pcm->tram_shift = tram_shift; |
| 1507 | } |
| 1508 | |
| 1509 | static int snd_emu10k1_fx8010_playback_transfer(snd_pcm_substream_t *substream) |
| 1510 | { |
| 1511 | emu10k1_t *emu = snd_pcm_substream_chip(substream); |
| 1512 | snd_emu10k1_fx8010_pcm_t *pcm = &emu->fx8010.pcm[substream->number]; |
| 1513 | |
| 1514 | snd_pcm_indirect_playback_transfer(substream, &pcm->pcm_rec, fx8010_pb_trans_copy); |
| 1515 | return 0; |
| 1516 | } |
| 1517 | |
| 1518 | static int snd_emu10k1_fx8010_playback_hw_params(snd_pcm_substream_t * substream, |
| 1519 | snd_pcm_hw_params_t * hw_params) |
| 1520 | { |
| 1521 | return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); |
| 1522 | } |
| 1523 | |
| 1524 | static int snd_emu10k1_fx8010_playback_hw_free(snd_pcm_substream_t * substream) |
| 1525 | { |
| 1526 | emu10k1_t *emu = snd_pcm_substream_chip(substream); |
| 1527 | snd_emu10k1_fx8010_pcm_t *pcm = &emu->fx8010.pcm[substream->number]; |
| 1528 | unsigned int i; |
| 1529 | |
| 1530 | for (i = 0; i < pcm->channels; i++) |
| 1531 | snd_emu10k1_ptr_write(emu, TANKMEMADDRREGBASE + 0x80 + pcm->etram[i], 0, 0); |
| 1532 | snd_pcm_lib_free_pages(substream); |
| 1533 | return 0; |
| 1534 | } |
| 1535 | |
| 1536 | static int snd_emu10k1_fx8010_playback_prepare(snd_pcm_substream_t * substream) |
| 1537 | { |
| 1538 | emu10k1_t *emu = snd_pcm_substream_chip(substream); |
| 1539 | snd_pcm_runtime_t *runtime = substream->runtime; |
| 1540 | snd_emu10k1_fx8010_pcm_t *pcm = &emu->fx8010.pcm[substream->number]; |
| 1541 | unsigned int i; |
| 1542 | |
| 1543 | // printk("prepare: etram_pages = 0x%p, dma_area = 0x%x, buffer_size = 0x%x (0x%x)\n", emu->fx8010.etram_pages, runtime->dma_area, runtime->buffer_size, runtime->buffer_size << 2); |
| 1544 | memset(&pcm->pcm_rec, 0, sizeof(pcm->pcm_rec)); |
| 1545 | pcm->pcm_rec.hw_buffer_size = pcm->buffer_size * 2; /* byte size */ |
| 1546 | pcm->pcm_rec.sw_buffer_size = snd_pcm_lib_buffer_bytes(substream); |
| 1547 | pcm->tram_pos = INITIAL_TRAM_POS(pcm->buffer_size); |
| 1548 | pcm->tram_shift = 0; |
| 1549 | snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_running, 0, 0); /* reset */ |
| 1550 | snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 0); /* reset */ |
| 1551 | snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_size, 0, runtime->buffer_size); |
| 1552 | snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_ptr, 0, 0); /* reset ptr number */ |
| 1553 | snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_count, 0, runtime->period_size); |
| 1554 | snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_tmpcount, 0, runtime->period_size); |
| 1555 | for (i = 0; i < pcm->channels; i++) |
| 1556 | snd_emu10k1_ptr_write(emu, TANKMEMADDRREGBASE + 0x80 + pcm->etram[i], 0, (TANKMEMADDRREG_READ|TANKMEMADDRREG_ALIGN) + i * (runtime->buffer_size / pcm->channels)); |
| 1557 | return 0; |
| 1558 | } |
| 1559 | |
| 1560 | static int snd_emu10k1_fx8010_playback_trigger(snd_pcm_substream_t * substream, int cmd) |
| 1561 | { |
| 1562 | emu10k1_t *emu = snd_pcm_substream_chip(substream); |
| 1563 | snd_emu10k1_fx8010_pcm_t *pcm = &emu->fx8010.pcm[substream->number]; |
| 1564 | int result = 0; |
| 1565 | |
| 1566 | spin_lock(&emu->reg_lock); |
| 1567 | switch (cmd) { |
| 1568 | case SNDRV_PCM_TRIGGER_START: |
| 1569 | /* follow thru */ |
| 1570 | case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: |
| 1571 | #ifdef EMU10K1_SET_AC3_IEC958 |
| 1572 | { |
| 1573 | int i; |
| 1574 | for (i = 0; i < 3; i++) { |
| 1575 | unsigned int bits; |
| 1576 | bits = SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 | |
| 1577 | SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC | SPCS_GENERATIONSTATUS | |
| 1578 | 0x00001200 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT | SPCS_NOTAUDIODATA; |
| 1579 | snd_emu10k1_ptr_write(emu, SPCS0 + i, 0, bits); |
| 1580 | } |
| 1581 | } |
| 1582 | #endif |
| 1583 | result = snd_emu10k1_fx8010_register_irq_handler(emu, snd_emu10k1_fx8010_playback_irq, pcm->gpr_running, substream, &pcm->irq); |
| 1584 | if (result < 0) |
| 1585 | goto __err; |
| 1586 | snd_emu10k1_fx8010_playback_transfer(substream); /* roll the ball */ |
| 1587 | snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 1); |
| 1588 | break; |
| 1589 | case SNDRV_PCM_TRIGGER_STOP: |
| 1590 | case SNDRV_PCM_TRIGGER_PAUSE_PUSH: |
| 1591 | snd_emu10k1_fx8010_unregister_irq_handler(emu, pcm->irq); pcm->irq = NULL; |
| 1592 | snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 0); |
| 1593 | pcm->tram_pos = INITIAL_TRAM_POS(pcm->buffer_size); |
| 1594 | pcm->tram_shift = 0; |
| 1595 | break; |
| 1596 | default: |
| 1597 | result = -EINVAL; |
| 1598 | break; |
| 1599 | } |
| 1600 | __err: |
| 1601 | spin_unlock(&emu->reg_lock); |
| 1602 | return result; |
| 1603 | } |
| 1604 | |
| 1605 | static snd_pcm_uframes_t snd_emu10k1_fx8010_playback_pointer(snd_pcm_substream_t * substream) |
| 1606 | { |
| 1607 | emu10k1_t *emu = snd_pcm_substream_chip(substream); |
| 1608 | snd_emu10k1_fx8010_pcm_t *pcm = &emu->fx8010.pcm[substream->number]; |
| 1609 | size_t ptr; /* byte pointer */ |
| 1610 | |
| 1611 | if (!snd_emu10k1_ptr_read(emu, emu->gpr_base + pcm->gpr_trigger, 0)) |
| 1612 | return 0; |
| 1613 | ptr = snd_emu10k1_ptr_read(emu, emu->gpr_base + pcm->gpr_ptr, 0) << 2; |
| 1614 | return snd_pcm_indirect_playback_pointer(substream, &pcm->pcm_rec, ptr); |
| 1615 | } |
| 1616 | |
| 1617 | static snd_pcm_hardware_t snd_emu10k1_fx8010_playback = |
| 1618 | { |
| 1619 | .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | |
| 1620 | /* SNDRV_PCM_INFO_MMAP_VALID | */ SNDRV_PCM_INFO_PAUSE), |
| 1621 | .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, |
| 1622 | .rates = SNDRV_PCM_RATE_48000, |
| 1623 | .rate_min = 48000, |
| 1624 | .rate_max = 48000, |
| 1625 | .channels_min = 1, |
| 1626 | .channels_max = 1, |
| 1627 | .buffer_bytes_max = (128*1024), |
| 1628 | .period_bytes_min = 1024, |
| 1629 | .period_bytes_max = (128*1024), |
| 1630 | .periods_min = 1, |
| 1631 | .periods_max = 1024, |
| 1632 | .fifo_size = 0, |
| 1633 | }; |
| 1634 | |
| 1635 | static int snd_emu10k1_fx8010_playback_open(snd_pcm_substream_t * substream) |
| 1636 | { |
| 1637 | emu10k1_t *emu = snd_pcm_substream_chip(substream); |
| 1638 | snd_pcm_runtime_t *runtime = substream->runtime; |
| 1639 | snd_emu10k1_fx8010_pcm_t *pcm = &emu->fx8010.pcm[substream->number]; |
| 1640 | |
| 1641 | runtime->hw = snd_emu10k1_fx8010_playback; |
| 1642 | runtime->hw.channels_min = runtime->hw.channels_max = pcm->channels; |
| 1643 | runtime->hw.period_bytes_max = (pcm->buffer_size * 2) / 2; |
| 1644 | spin_lock_irq(&emu->reg_lock); |
| 1645 | if (pcm->valid == 0) { |
| 1646 | spin_unlock_irq(&emu->reg_lock); |
| 1647 | return -ENODEV; |
| 1648 | } |
| 1649 | pcm->opened = 1; |
| 1650 | spin_unlock_irq(&emu->reg_lock); |
| 1651 | return 0; |
| 1652 | } |
| 1653 | |
| 1654 | static int snd_emu10k1_fx8010_playback_close(snd_pcm_substream_t * substream) |
| 1655 | { |
| 1656 | emu10k1_t *emu = snd_pcm_substream_chip(substream); |
| 1657 | snd_emu10k1_fx8010_pcm_t *pcm = &emu->fx8010.pcm[substream->number]; |
| 1658 | |
| 1659 | spin_lock_irq(&emu->reg_lock); |
| 1660 | pcm->opened = 0; |
| 1661 | spin_unlock_irq(&emu->reg_lock); |
| 1662 | return 0; |
| 1663 | } |
| 1664 | |
| 1665 | static snd_pcm_ops_t snd_emu10k1_fx8010_playback_ops = { |
| 1666 | .open = snd_emu10k1_fx8010_playback_open, |
| 1667 | .close = snd_emu10k1_fx8010_playback_close, |
| 1668 | .ioctl = snd_pcm_lib_ioctl, |
| 1669 | .hw_params = snd_emu10k1_fx8010_playback_hw_params, |
| 1670 | .hw_free = snd_emu10k1_fx8010_playback_hw_free, |
| 1671 | .prepare = snd_emu10k1_fx8010_playback_prepare, |
| 1672 | .trigger = snd_emu10k1_fx8010_playback_trigger, |
| 1673 | .pointer = snd_emu10k1_fx8010_playback_pointer, |
| 1674 | .ack = snd_emu10k1_fx8010_playback_transfer, |
| 1675 | }; |
| 1676 | |
| 1677 | static void snd_emu10k1_pcm_efx_free(snd_pcm_t *pcm) |
| 1678 | { |
| 1679 | emu10k1_t *emu = pcm->private_data; |
| 1680 | emu->pcm_efx = NULL; |
| 1681 | snd_pcm_lib_preallocate_free_for_all(pcm); |
| 1682 | } |
| 1683 | |
| 1684 | int __devinit snd_emu10k1_pcm_efx(emu10k1_t * emu, int device, snd_pcm_t ** rpcm) |
| 1685 | { |
| 1686 | snd_pcm_t *pcm; |
| 1687 | int err; |
| 1688 | |
| 1689 | if (rpcm) |
| 1690 | *rpcm = NULL; |
| 1691 | |
| 1692 | if ((err = snd_pcm_new(emu->card, "emu10k1 efx", device, 8, 1, &pcm)) < 0) |
| 1693 | return err; |
| 1694 | |
| 1695 | pcm->private_data = emu; |
| 1696 | pcm->private_free = snd_emu10k1_pcm_efx_free; |
| 1697 | |
| 1698 | snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_fx8010_playback_ops); |
| 1699 | snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_efx_ops); |
| 1700 | |
| 1701 | pcm->info_flags = 0; |
| 1702 | strcpy(pcm->name, "Multichannel Capture/PT Playback"); |
| 1703 | emu->pcm_efx = pcm; |
| 1704 | if (rpcm) |
| 1705 | *rpcm = pcm; |
| 1706 | |
| 1707 | /* EFX capture - record the "FXBUS2" channels, by default we connect the EXTINs |
| 1708 | * to these |
| 1709 | */ |
| 1710 | |
| 1711 | /* emu->efx_voices_mask[0] = FXWC_DEFAULTROUTE_C | FXWC_DEFAULTROUTE_A; */ |
| 1712 | if (emu->audigy) { |
| 1713 | emu->efx_voices_mask[0] = 0; |
| 1714 | emu->efx_voices_mask[1] = 0xffff; |
| 1715 | } else { |
| 1716 | emu->efx_voices_mask[0] = 0xffff0000; |
| 1717 | emu->efx_voices_mask[1] = 0; |
| 1718 | } |
| 1719 | snd_ctl_add(emu->card, snd_ctl_new1(&snd_emu10k1_pcm_efx_voices_mask, emu)); |
| 1720 | |
| 1721 | snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024); |
| 1722 | |
| 1723 | return 0; |
| 1724 | } |