| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Jaroslav Kysela | 9496 | 91.03% | 34 | 54.84% |
| Takashi Iwai | 459 | 4.40% | 11 | 17.74% |
| James Courtier-Dutton | 287 | 2.75% | 3 | 4.84% |
| Clemens Ladisch | 54 | 0.52% | 2 | 3.23% |
| Maciej S. Szmigiero | 41 | 0.39% | 1 | 1.61% |
| Mihail Zenkov | 28 | 0.27% | 1 | 1.61% |
| Pavel Hofman | 24 | 0.23% | 1 | 1.61% |
| Peter Zubaj | 12 | 0.12% | 1 | 1.61% |
| Zhouyang Jia | 11 | 0.11% | 1 | 1.61% |
| Julia Lawall | 6 | 0.06% | 1 | 1.61% |
| Bhumika Goyal | 6 | 0.06% | 2 | 3.23% |
| Linus Torvalds | 3 | 0.03% | 1 | 1.61% |
| Jesper Juhl | 3 | 0.03% | 2 | 3.23% |
| Gustavo A. R. Silva | 2 | 0.02% | 1 | 1.61% |
| Total | 10432 | 62 |
/* * Copyright (c) by Jaroslav Kysela <perex@perex.cz> * Creative Labs, Inc. * Routines for control of EMU10K1 chips / PCM routines * Multichannel PCM support Copyright (c) Lee Revell <rlrevell@joe-job.com> * * BUGS: * -- * * TODO: * -- * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * */ #include <linux/pci.h> #include <linux/delay.h> #include <linux/slab.h> #include <linux/time.h> #include <linux/init.h> #include <sound/core.h> #include <sound/emu10k1.h> static void snd_emu10k1_pcm_interrupt(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *voice) { struct snd_emu10k1_pcm *epcm; if ((epcm = voice->epcm) == NULL) return; if (epcm->substream == NULL) return; #if 0 dev_dbg(emu->card->dev, "IRQ: position = 0x%x, period = 0x%x, size = 0x%x\n", epcm->substream->runtime->hw->pointer(emu, epcm->substream), snd_pcm_lib_period_bytes(epcm->substream), snd_pcm_lib_buffer_bytes(epcm->substream)); #endif snd_pcm_period_elapsed(epcm->substream); } static void snd_emu10k1_pcm_ac97adc_interrupt(struct snd_emu10k1 *emu, unsigned int status) { #if 0 if (status & IPR_ADCBUFHALFFULL) { if (emu->pcm_capture_substream->runtime->mode == SNDRV_PCM_MODE_FRAME) return; } #endif snd_pcm_period_elapsed(emu->pcm_capture_substream); } static void snd_emu10k1_pcm_ac97mic_interrupt(struct snd_emu10k1 *emu, unsigned int status) { #if 0 if (status & IPR_MICBUFHALFFULL) { if (emu->pcm_capture_mic_substream->runtime->mode == SNDRV_PCM_MODE_FRAME) return; } #endif snd_pcm_period_elapsed(emu->pcm_capture_mic_substream); } static void snd_emu10k1_pcm_efx_interrupt(struct snd_emu10k1 *emu, unsigned int status) { #if 0 if (status & IPR_EFXBUFHALFFULL) { if (emu->pcm_capture_efx_substream->runtime->mode == SNDRV_PCM_MODE_FRAME) return; } #endif snd_pcm_period_elapsed(emu->pcm_capture_efx_substream); } static snd_pcm_uframes_t snd_emu10k1_efx_playback_pointer(struct snd_pcm_substream *substream) { struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); struct snd_pcm_runtime *runtime = substream->runtime; struct snd_emu10k1_pcm *epcm = runtime->private_data; unsigned int ptr; if (!epcm->running) return 0; ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->voices[0]->number) & 0x00ffffff; ptr += runtime->buffer_size; ptr -= epcm->ccca_start_addr; ptr %= runtime->buffer_size; return ptr; } static int snd_emu10k1_pcm_channel_alloc(struct snd_emu10k1_pcm * epcm, int voices) { int err, i; if (epcm->voices[1] != NULL && voices < 2) { snd_emu10k1_voice_free(epcm->emu, epcm->voices[1]); epcm->voices[1] = NULL; } for (i = 0; i < voices; i++) { if (epcm->voices[i] == NULL) break; } if (i == voices) return 0; /* already allocated */ for (i = 0; i < ARRAY_SIZE(epcm->voices); i++) { if (epcm->voices[i]) { snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]); epcm->voices[i] = NULL; } } err = snd_emu10k1_voice_alloc(epcm->emu, epcm->type == PLAYBACK_EMUVOICE ? EMU10K1_PCM : EMU10K1_EFX, voices, &epcm->voices[0]); if (err < 0) return err; epcm->voices[0]->epcm = epcm; if (voices > 1) { for (i = 1; i < voices; i++) { epcm->voices[i] = &epcm->emu->voices[epcm->voices[0]->number + i]; epcm->voices[i]->epcm = epcm; } } if (epcm->extra == NULL) { err = snd_emu10k1_voice_alloc(epcm->emu, epcm->type == PLAYBACK_EMUVOICE ? EMU10K1_PCM : EMU10K1_EFX, 1, &epcm->extra); if (err < 0) { /* dev_dbg(emu->card->dev, "pcm_channel_alloc: " "failed extra: voices=%d, frame=%d\n", voices, frame); */ for (i = 0; i < voices; i++) { snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]); epcm->voices[i] = NULL; } return err; } epcm->extra->epcm = epcm; epcm->extra->interrupt = snd_emu10k1_pcm_interrupt; } return 0; } static const unsigned int capture_period_sizes[31] = { 384, 448, 512, 640, 384*2, 448*2, 512*2, 640*2, 384*4, 448*4, 512*4, 640*4, 384*8, 448*8, 512*8, 640*8, 384*16, 448*16, 512*16, 640*16, 384*32, 448*32, 512*32, 640*32, 384*64, 448*64, 512*64, 640*64, 384*128,448*128,512*128 }; static const struct snd_pcm_hw_constraint_list hw_constraints_capture_period_sizes = { .count = 31, .list = capture_period_sizes, .mask = 0 }; static const unsigned int capture_rates[8] = { 8000, 11025, 16000, 22050, 24000, 32000, 44100, 48000 }; static const struct snd_pcm_hw_constraint_list hw_constraints_capture_rates = { .count = 8, .list = capture_rates, .mask = 0 }; static unsigned int snd_emu10k1_capture_rate_reg(unsigned int rate) { switch (rate) { case 8000: return ADCCR_SAMPLERATE_8; case 11025: return ADCCR_SAMPLERATE_11; case 16000: return ADCCR_SAMPLERATE_16; case 22050: return ADCCR_SAMPLERATE_22; case 24000: return ADCCR_SAMPLERATE_24; case 32000: return ADCCR_SAMPLERATE_32; case 44100: return ADCCR_SAMPLERATE_44; case 48000: return ADCCR_SAMPLERATE_48; default: snd_BUG(); return ADCCR_SAMPLERATE_8; } } static unsigned int snd_emu10k1_audigy_capture_rate_reg(unsigned int rate) { switch (rate) { case 8000: return A_ADCCR_SAMPLERATE_8; case 11025: return A_ADCCR_SAMPLERATE_11; case 12000: return A_ADCCR_SAMPLERATE_12; /* really supported? */ case 16000: return ADCCR_SAMPLERATE_16; case 22050: return ADCCR_SAMPLERATE_22; case 24000: return ADCCR_SAMPLERATE_24; case 32000: return ADCCR_SAMPLERATE_32; case 44100: return ADCCR_SAMPLERATE_44; case 48000: return ADCCR_SAMPLERATE_48; default: snd_BUG(); return A_ADCCR_SAMPLERATE_8; } } static unsigned int emu10k1_calc_pitch_target(unsigned int rate) { unsigned int pitch_target; pitch_target = (rate << 8) / 375; pitch_target = (pitch_target >> 1) + (pitch_target & 1); return pitch_target; } #define PITCH_48000 0x00004000 #define PITCH_96000 0x00008000 #define PITCH_85000 0x00007155 #define PITCH_80726 0x00006ba2 #define PITCH_67882 0x00005a82 #define PITCH_57081 0x00004c1c static unsigned int emu10k1_select_interprom(unsigned int pitch_target) { if (pitch_target == PITCH_48000) return CCCA_INTERPROM_0; else if (pitch_target < PITCH_48000) return CCCA_INTERPROM_1; else if (pitch_target >= PITCH_96000) return CCCA_INTERPROM_0; else if (pitch_target >= PITCH_85000) return CCCA_INTERPROM_6; else if (pitch_target >= PITCH_80726) return CCCA_INTERPROM_5; else if (pitch_target >= PITCH_67882) return CCCA_INTERPROM_4; else if (pitch_target >= PITCH_57081) return CCCA_INTERPROM_3; else return CCCA_INTERPROM_2; } /* * calculate cache invalidate size * * stereo: channel is stereo * w_16: using 16bit samples * * returns: cache invalidate size in samples */ static inline int emu10k1_ccis(int stereo, int w_16) { if (w_16) { return stereo ? 24 : 26; } else { return stereo ? 24*2 : 26*2; } } static void snd_emu10k1_pcm_init_voice(struct snd_emu10k1 *emu, int master, int extra, struct snd_emu10k1_voice *evoice, unsigned int start_addr, unsigned int end_addr, struct snd_emu10k1_pcm_mixer *mix) { struct snd_pcm_substream *substream = evoice->epcm->substream; struct snd_pcm_runtime *runtime = substream->runtime; unsigned int silent_page, tmp; int voice, stereo, w_16; unsigned char send_amount[8]; unsigned char send_routing[8]; unsigned long flags; unsigned int pitch_target; unsigned int ccis; voice = evoice->number; stereo = runtime->channels == 2; w_16 = snd_pcm_format_width(runtime->format) == 16; if (!extra && stereo) { start_addr >>= 1; end_addr >>= 1; } if (w_16) { start_addr >>= 1; end_addr >>= 1; } spin_lock_irqsave(&emu->reg_lock, flags); /* volume parameters */ if (extra) { memset(send_routing, 0, sizeof(send_routing)); send_routing[0] = 0; send_routing[1] = 1; send_routing[2] = 2; send_routing[3] = 3; memset(send_amount, 0, sizeof(send_amount)); } else { /* mono, left, right (master voice = left) */ tmp = stereo ? (master ? 1 : 2) : 0; memcpy(send_routing, &mix->send_routing[tmp][0], 8); memcpy(send_amount, &mix->send_volume[tmp][0], 8); } ccis = emu10k1_ccis(stereo, w_16); if (master) { evoice->epcm->ccca_start_addr = start_addr + ccis; if (extra) { start_addr += ccis; end_addr += ccis + emu->delay_pcm_irq; } if (stereo && !extra) { snd_emu10k1_ptr_write(emu, CPF, voice, CPF_STEREO_MASK); snd_emu10k1_ptr_write(emu, CPF, (voice + 1), CPF_STEREO_MASK); } else { snd_emu10k1_ptr_write(emu, CPF, voice, 0); } } /* setup routing */ if (emu->audigy) { snd_emu10k1_ptr_write(emu, A_FXRT1, voice, snd_emu10k1_compose_audigy_fxrt1(send_routing)); snd_emu10k1_ptr_write(emu, A_FXRT2, voice, snd_emu10k1_compose_audigy_fxrt2(send_routing)); snd_emu10k1_ptr_write(emu, A_SENDAMOUNTS, voice, ((unsigned int)send_amount[4] << 24) | ((unsigned int)send_amount[5] << 16) | ((unsigned int)send_amount[6] << 8) | (unsigned int)send_amount[7]); } else snd_emu10k1_ptr_write(emu, FXRT, voice, snd_emu10k1_compose_send_routing(send_routing)); /* Stop CA */ /* Assumption that PT is already 0 so no harm overwriting */ snd_emu10k1_ptr_write(emu, PTRX, voice, (send_amount[0] << 8) | send_amount[1]); snd_emu10k1_ptr_write(emu, DSL, voice, end_addr | (send_amount[3] << 24)); snd_emu10k1_ptr_write(emu, PSST, voice, (start_addr + (extra ? emu->delay_pcm_irq : 0)) | (send_amount[2] << 24)); if (emu->card_capabilities->emu_model) pitch_target = PITCH_48000; /* Disable interpolators on emu1010 card */ else pitch_target = emu10k1_calc_pitch_target(runtime->rate); if (extra) snd_emu10k1_ptr_write(emu, CCCA, voice, start_addr | emu10k1_select_interprom(pitch_target) | (w_16 ? 0 : CCCA_8BITSELECT)); else snd_emu10k1_ptr_write(emu, CCCA, voice, (start_addr + ccis) | emu10k1_select_interprom(pitch_target) | (w_16 ? 0 : CCCA_8BITSELECT)); /* Clear filter delay memory */ snd_emu10k1_ptr_write(emu, Z1, voice, 0); snd_emu10k1_ptr_write(emu, Z2, voice, 0); /* invalidate maps */ silent_page = ((unsigned int)emu->silent_page.addr << emu->address_mode) | (emu->address_mode ? MAP_PTI_MASK1 : MAP_PTI_MASK0); snd_emu10k1_ptr_write(emu, MAPA, voice, silent_page); snd_emu10k1_ptr_write(emu, MAPB, voice, silent_page); /* modulation envelope */ snd_emu10k1_ptr_write(emu, CVCF, voice, 0xffff); snd_emu10k1_ptr_write(emu, VTFT, voice, 0xffff); snd_emu10k1_ptr_write(emu, ATKHLDM, voice, 0); snd_emu10k1_ptr_write(emu, DCYSUSM, voice, 0x007f); snd_emu10k1_ptr_write(emu, LFOVAL1, voice, 0x8000); snd_emu10k1_ptr_write(emu, LFOVAL2, voice, 0x8000); snd_emu10k1_ptr_write(emu, FMMOD, voice, 0); snd_emu10k1_ptr_write(emu, TREMFRQ, voice, 0); snd_emu10k1_ptr_write(emu, FM2FRQ2, voice, 0); snd_emu10k1_ptr_write(emu, ENVVAL, voice, 0x8000); /* volume envelope */ snd_emu10k1_ptr_write(emu, ATKHLDV, voice, 0x7f7f); snd_emu10k1_ptr_write(emu, ENVVOL, voice, 0x0000); /* filter envelope */ snd_emu10k1_ptr_write(emu, PEFE_FILTERAMOUNT, voice, 0x7f); /* pitch envelope */ snd_emu10k1_ptr_write(emu, PEFE_PITCHAMOUNT, voice, 0); spin_unlock_irqrestore(&emu->reg_lock, flags); } static int snd_emu10k1_playback_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *hw_params) { struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); struct snd_pcm_runtime *runtime = substream->runtime; struct snd_emu10k1_pcm *epcm = runtime->private_data; size_t alloc_size; int err; if ((err = snd_emu10k1_pcm_channel_alloc(epcm, params_channels(hw_params))) < 0) return err; alloc_size = params_buffer_bytes(hw_params); if (emu->iommu_workaround) alloc_size += EMUPAGESIZE; err = snd_pcm_lib_malloc_pages(substream, alloc_size); if (err < 0) return err; if (emu->iommu_workaround && runtime->dma_bytes >= EMUPAGESIZE) runtime->dma_bytes -= EMUPAGESIZE; if (err > 0) { /* change */ int mapped; if (epcm->memblk != NULL) snd_emu10k1_free_pages(emu, epcm->memblk); epcm->memblk = snd_emu10k1_alloc_pages(emu, substream); epcm->start_addr = 0; if (! epcm->memblk) return -ENOMEM; mapped = ((struct snd_emu10k1_memblk *)epcm->memblk)->mapped_page; if (mapped < 0) return -ENOMEM; epcm->start_addr = mapped << PAGE_SHIFT; } return 0; } static int snd_emu10k1_playback_hw_free(struct snd_pcm_substream *substream) { struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); struct snd_pcm_runtime *runtime = substream->runtime; struct snd_emu10k1_pcm *epcm; if (runtime->private_data == NULL) return 0; epcm = runtime->private_data; if (epcm->extra) { snd_emu10k1_voice_free(epcm->emu, epcm->extra); epcm->extra = NULL; } if (epcm->voices[1]) { snd_emu10k1_voice_free(epcm->emu, epcm->voices[1]); epcm->voices[1] = NULL; } if (epcm->voices[0]) { snd_emu10k1_voice_free(epcm->emu, epcm->voices[0]); epcm->voices[0] = NULL; } if (epcm->memblk) { snd_emu10k1_free_pages(emu, epcm->memblk); epcm->memblk = NULL; epcm->start_addr = 0; } snd_pcm_lib_free_pages(substream); return 0; } static int snd_emu10k1_efx_playback_hw_free(struct snd_pcm_substream *substream) { struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); struct snd_pcm_runtime *runtime = substream->runtime; struct snd_emu10k1_pcm *epcm; int i; if (runtime->private_data == NULL) return 0; epcm = runtime->private_data; if (epcm->extra) { snd_emu10k1_voice_free(epcm->emu, epcm->extra); epcm->extra = NULL; } for (i = 0; i < NUM_EFX_PLAYBACK; i++) { if (epcm->voices[i]) { snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]); epcm->voices[i] = NULL; } } if (epcm->memblk) { snd_emu10k1_free_pages(emu, epcm->memblk); epcm->memblk = NULL; epcm->start_addr = 0; } snd_pcm_lib_free_pages(substream); return 0; } static int snd_emu10k1_playback_prepare(struct snd_pcm_substream *substream) { struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); struct snd_pcm_runtime *runtime = substream->runtime; struct snd_emu10k1_pcm *epcm = runtime->private_data; unsigned int start_addr, end_addr; start_addr = epcm->start_addr; end_addr = snd_pcm_lib_period_bytes(substream); if (runtime->channels == 2) { start_addr >>= 1; end_addr >>= 1; } end_addr += start_addr; snd_emu10k1_pcm_init_voice(emu, 1, 1, epcm->extra, start_addr, end_addr, NULL); start_addr = epcm->start_addr; end_addr = epcm->start_addr + snd_pcm_lib_buffer_bytes(substream); snd_emu10k1_pcm_init_voice(emu, 1, 0, epcm->voices[0], start_addr, end_addr, &emu->pcm_mixer[substream->number]); if (epcm->voices[1]) snd_emu10k1_pcm_init_voice(emu, 0, 0, epcm->voices[1], start_addr, end_addr, &emu->pcm_mixer[substream->number]); return 0; } static int snd_emu10k1_efx_playback_prepare(struct snd_pcm_substream *substream) { struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); struct snd_pcm_runtime *runtime = substream->runtime; struct snd_emu10k1_pcm *epcm = runtime->private_data; unsigned int start_addr, end_addr; unsigned int channel_size; int i; start_addr = epcm->start_addr; end_addr = epcm->start_addr + snd_pcm_lib_buffer_bytes(substream); /* * the kX driver leaves some space between voices */ channel_size = ( end_addr - start_addr ) / NUM_EFX_PLAYBACK; snd_emu10k1_pcm_init_voice(emu, 1, 1, epcm->extra, start_addr, start_addr + (channel_size / 2), NULL); /* only difference with the master voice is we use it for the pointer */ snd_emu10k1_pcm_init_voice(emu, 1, 0, epcm->voices[0], start_addr, start_addr + channel_size, &emu->efx_pcm_mixer[0]); start_addr += channel_size; for (i = 1; i < NUM_EFX_PLAYBACK; i++) { snd_emu10k1_pcm_init_voice(emu, 0, 0, epcm->voices[i], start_addr, start_addr + channel_size, &emu->efx_pcm_mixer[i]); start_addr += channel_size; } return 0; } static const struct snd_pcm_hardware snd_emu10k1_efx_playback = { .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_NONINTERLEAVED | SNDRV_PCM_INFO_BLOCK_TRANSFER | SNDRV_PCM_INFO_RESUME | SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_PAUSE), .formats = SNDRV_PCM_FMTBIT_S16_LE, .rates = SNDRV_PCM_RATE_48000, .rate_min = 48000, .rate_max = 48000, .channels_min = NUM_EFX_PLAYBACK, .channels_max = NUM_EFX_PLAYBACK, .buffer_bytes_max = (64*1024), .period_bytes_min = 64, .period_bytes_max = (64*1024), .periods_min = 2, .periods_max = 2, .fifo_size = 0, }; static int snd_emu10k1_capture_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *hw_params) { return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); } static int snd_emu10k1_capture_hw_free(struct snd_pcm_substream *substream) { return snd_pcm_lib_free_pages(substream); } static int snd_emu10k1_capture_prepare(struct snd_pcm_substream *substream) { struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); struct snd_pcm_runtime *runtime = substream->runtime; struct snd_emu10k1_pcm *epcm = runtime->private_data; int idx; /* zeroing the buffer size will stop capture */ snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, 0); switch (epcm->type) { case CAPTURE_AC97ADC: snd_emu10k1_ptr_write(emu, ADCCR, 0, 0); break; case CAPTURE_EFX: if (emu->audigy) { snd_emu10k1_ptr_write(emu, A_FXWC1, 0, 0); snd_emu10k1_ptr_write(emu, A_FXWC2, 0, 0); } else snd_emu10k1_ptr_write(emu, FXWC, 0, 0); break; default: break; } snd_emu10k1_ptr_write(emu, epcm->capture_ba_reg, 0, runtime->dma_addr); epcm->capture_bufsize = snd_pcm_lib_buffer_bytes(substream); epcm->capture_bs_val = 0; for (idx = 0; idx < 31; idx++) { if (capture_period_sizes[idx] == epcm->capture_bufsize) { epcm->capture_bs_val = idx + 1; break; } } if (epcm->capture_bs_val == 0) { snd_BUG(); epcm->capture_bs_val++; } if (epcm->type == CAPTURE_AC97ADC) { epcm->capture_cr_val = emu->audigy ? A_ADCCR_LCHANENABLE : ADCCR_LCHANENABLE; if (runtime->channels > 1) epcm->capture_cr_val |= emu->audigy ? A_ADCCR_RCHANENABLE : ADCCR_RCHANENABLE; epcm->capture_cr_val |= emu->audigy ? snd_emu10k1_audigy_capture_rate_reg(runtime->rate) : snd_emu10k1_capture_rate_reg(runtime->rate); } return 0; } static void snd_emu10k1_playback_invalidate_cache(struct snd_emu10k1 *emu, int extra, struct snd_emu10k1_voice *evoice) { struct snd_pcm_runtime *runtime; unsigned int voice, stereo, i, ccis, cra = 64, cs, sample; if (evoice == NULL) return; runtime = evoice->epcm->substream->runtime; voice = evoice->number; stereo = (!extra && runtime->channels == 2); sample = snd_pcm_format_width(runtime->format) == 16 ? 0 : 0x80808080; ccis = emu10k1_ccis(stereo, sample == 0); /* set cs to 2 * number of cache registers beside the invalidated */ cs = (sample == 0) ? (32-ccis) : (64-ccis+1) >> 1; if (cs > 16) cs = 16; for (i = 0; i < cs; i++) { snd_emu10k1_ptr_write(emu, CD0 + i, voice, sample); if (stereo) { snd_emu10k1_ptr_write(emu, CD0 + i, voice + 1, sample); } } /* reset cache */ snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice, 0); snd_emu10k1_ptr_write(emu, CCR_READADDRESS, voice, cra); if (stereo) { snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice + 1, 0); snd_emu10k1_ptr_write(emu, CCR_READADDRESS, voice + 1, cra); } /* fill cache */ snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice, ccis); if (stereo) { snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice+1, ccis); } } static void snd_emu10k1_playback_prepare_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice, int master, int extra, struct snd_emu10k1_pcm_mixer *mix) { struct snd_pcm_substream *substream; struct snd_pcm_runtime *runtime; unsigned int attn, vattn; unsigned int voice, tmp; if (evoice == NULL) /* skip second voice for mono */ return; substream = evoice->epcm->substream; runtime = substream->runtime; voice = evoice->number; attn = extra ? 0 : 0x00ff; tmp = runtime->channels == 2 ? (master ? 1 : 2) : 0; vattn = mix != NULL ? (mix->attn[tmp] << 16) : 0; snd_emu10k1_ptr_write(emu, IFATN, voice, attn); snd_emu10k1_ptr_write(emu, VTFT, voice, vattn | 0xffff); snd_emu10k1_ptr_write(emu, CVCF, voice, vattn | 0xffff); snd_emu10k1_ptr_write(emu, DCYSUSV, voice, 0x7f7f); snd_emu10k1_voice_clear_loop_stop(emu, voice); } static void snd_emu10k1_playback_trigger_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice, int master, int extra) { struct snd_pcm_substream *substream; struct snd_pcm_runtime *runtime; unsigned int voice, pitch, pitch_target; if (evoice == NULL) /* skip second voice for mono */ return; substream = evoice->epcm->substream; runtime = substream->runtime; voice = evoice->number; pitch = snd_emu10k1_rate_to_pitch(runtime->rate) >> 8; if (emu->card_capabilities->emu_model) pitch_target = PITCH_48000; /* Disable interpolators on emu1010 card */ else pitch_target = emu10k1_calc_pitch_target(runtime->rate); snd_emu10k1_ptr_write(emu, PTRX_PITCHTARGET, voice, pitch_target); if (master || evoice->epcm->type == PLAYBACK_EFX) snd_emu10k1_ptr_write(emu, CPF_CURRENTPITCH, voice, pitch_target); snd_emu10k1_ptr_write(emu, IP, voice, pitch); if (extra) snd_emu10k1_voice_intr_enable(emu, voice); } static void snd_emu10k1_playback_stop_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice) { unsigned int voice; if (evoice == NULL) return; voice = evoice->number; snd_emu10k1_voice_intr_disable(emu, voice); snd_emu10k1_ptr_write(emu, PTRX_PITCHTARGET, voice, 0); snd_emu10k1_ptr_write(emu, CPF_CURRENTPITCH, voice, 0); snd_emu10k1_ptr_write(emu, IFATN, voice, 0xffff); snd_emu10k1_ptr_write(emu, VTFT, voice, 0xffff); snd_emu10k1_ptr_write(emu, CVCF, voice, 0xffff); snd_emu10k1_ptr_write(emu, IP, voice, 0); } static inline void snd_emu10k1_playback_mangle_extra(struct snd_emu10k1 *emu, struct snd_emu10k1_pcm *epcm, struct snd_pcm_substream *substream, struct snd_pcm_runtime *runtime) { unsigned int ptr, period_pos; /* try to sychronize the current position for the interrupt source voice */ period_pos = runtime->status->hw_ptr - runtime->hw_ptr_interrupt; period_pos %= runtime->period_size; ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->extra->number); ptr &= ~0x00ffffff; ptr |= epcm->ccca_start_addr + period_pos; snd_emu10k1_ptr_write(emu, CCCA, epcm->extra->number, ptr); } static int snd_emu10k1_playback_trigger(struct snd_pcm_substream *substream, int cmd) { struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); struct snd_pcm_runtime *runtime = substream->runtime; struct snd_emu10k1_pcm *epcm = runtime->private_data; struct snd_emu10k1_pcm_mixer *mix; int result = 0; /* dev_dbg(emu->card->dev, "trigger - emu10k1 = 0x%x, cmd = %i, pointer = %i\n", (int)emu, cmd, substream->ops->pointer(substream)) */ spin_lock(&emu->reg_lock); switch (cmd) { case SNDRV_PCM_TRIGGER_START: snd_emu10k1_playback_invalidate_cache(emu, 1, epcm->extra); /* do we need this? */ snd_emu10k1_playback_invalidate_cache(emu, 0, epcm->voices[0]); /* fall through */ case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: case SNDRV_PCM_TRIGGER_RESUME: if (cmd == SNDRV_PCM_TRIGGER_PAUSE_RELEASE) snd_emu10k1_playback_mangle_extra(emu, epcm, substream, runtime); mix = &emu->pcm_mixer[substream->number]; snd_emu10k1_playback_prepare_voice(emu, epcm->voices[0], 1, 0, mix); snd_emu10k1_playback_prepare_voice(emu, epcm->voices[1], 0, 0, mix); snd_emu10k1_playback_prepare_voice(emu, epcm->extra, 1, 1, NULL); snd_emu10k1_playback_trigger_voice(emu, epcm->voices[0], 1, 0); snd_emu10k1_playback_trigger_voice(emu, epcm->voices[1], 0, 0); snd_emu10k1_playback_trigger_voice(emu, epcm->extra, 1, 1); epcm->running = 1; break; case SNDRV_PCM_TRIGGER_STOP: case SNDRV_PCM_TRIGGER_PAUSE_PUSH: case SNDRV_PCM_TRIGGER_SUSPEND: epcm->running = 0; snd_emu10k1_playback_stop_voice(emu, epcm->voices[0]); snd_emu10k1_playback_stop_voice(emu, epcm->voices[1]); snd_emu10k1_playback_stop_voice(emu, epcm->extra); break; default: result = -EINVAL; break; } spin_unlock(&emu->reg_lock); return result; } static int snd_emu10k1_capture_trigger(struct snd_pcm_substream *substream, int cmd) { struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); struct snd_pcm_runtime *runtime = substream->runtime; struct snd_emu10k1_pcm *epcm = runtime->private_data; int result = 0; spin_lock(&emu->reg_lock); switch (cmd) { case SNDRV_PCM_TRIGGER_START: case SNDRV_PCM_TRIGGER_RESUME: /* hmm this should cause full and half full interrupt to be raised? */ outl(epcm->capture_ipr, emu->port + IPR); snd_emu10k1_intr_enable(emu, epcm->capture_inte); /* dev_dbg(emu->card->dev, "adccr = 0x%x, adcbs = 0x%x\n", epcm->adccr, epcm->adcbs); */ switch (epcm->type) { case CAPTURE_AC97ADC: snd_emu10k1_ptr_write(emu, ADCCR, 0, epcm->capture_cr_val); break; case CAPTURE_EFX: if (emu->audigy) { snd_emu10k1_ptr_write(emu, A_FXWC1, 0, epcm->capture_cr_val); snd_emu10k1_ptr_write(emu, A_FXWC2, 0, epcm->capture_cr_val2); dev_dbg(emu->card->dev, "cr_val=0x%x, cr_val2=0x%x\n", epcm->capture_cr_val, epcm->capture_cr_val2); } else snd_emu10k1_ptr_write(emu, FXWC, 0, epcm->capture_cr_val); break; default: break; } snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, epcm->capture_bs_val); epcm->running = 1; epcm->first_ptr = 1; break; case SNDRV_PCM_TRIGGER_STOP: case SNDRV_PCM_TRIGGER_SUSPEND: epcm->running = 0; snd_emu10k1_intr_disable(emu, epcm->capture_inte); outl(epcm->capture_ipr, emu->port + IPR); snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, 0); switch (epcm->type) { case CAPTURE_AC97ADC: snd_emu10k1_ptr_write(emu, ADCCR, 0, 0); break; case CAPTURE_EFX: if (emu->audigy) { snd_emu10k1_ptr_write(emu, A_FXWC1, 0, 0); snd_emu10k1_ptr_write(emu, A_FXWC2, 0, 0); } else snd_emu10k1_ptr_write(emu, FXWC, 0, 0); break; default: break; } break; default: result = -EINVAL; } spin_unlock(&emu->reg_lock); return result; } static snd_pcm_uframes_t snd_emu10k1_playback_pointer(struct snd_pcm_substream *substream) { struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); struct snd_pcm_runtime *runtime = substream->runtime; struct snd_emu10k1_pcm *epcm = runtime->private_data; unsigned int ptr; if (!epcm->running) return 0; ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->voices[0]->number) & 0x00ffffff; #if 0 /* Perex's code */ ptr += runtime->buffer_size; ptr -= epcm->ccca_start_addr; ptr %= runtime->buffer_size; #else /* EMU10K1 Open Source code from Creative */ if (ptr < epcm->ccca_start_addr) ptr += runtime->buffer_size - epcm->ccca_start_addr; else { ptr -= epcm->ccca_start_addr; if (ptr >= runtime->buffer_size) ptr -= runtime->buffer_size; } #endif /* dev_dbg(emu->card->dev, "ptr = 0x%lx, buffer_size = 0x%lx, period_size = 0x%lx\n", (long)ptr, (long)runtime->buffer_size, (long)runtime->period_size); */ return ptr; } static int snd_emu10k1_efx_playback_trigger(struct snd_pcm_substream *substream, int cmd) { struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); struct snd_pcm_runtime *runtime = substream->runtime; struct snd_emu10k1_pcm *epcm = runtime->private_data; int i; int result = 0; spin_lock(&emu->reg_lock); switch (cmd) { case SNDRV_PCM_TRIGGER_START: /* prepare voices */ for (i = 0; i < NUM_EFX_PLAYBACK; i++) { snd_emu10k1_playback_invalidate_cache(emu, 0, epcm->voices[i]); } snd_emu10k1_playback_invalidate_cache(emu, 1, epcm->extra); /* fall through */ case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: case SNDRV_PCM_TRIGGER_RESUME: snd_emu10k1_playback_prepare_voice(emu, epcm->extra, 1, 1, NULL); snd_emu10k1_playback_prepare_voice(emu, epcm->voices[0], 0, 0, &emu->efx_pcm_mixer[0]); for (i = 1; i < NUM_EFX_PLAYBACK; i++) snd_emu10k1_playback_prepare_voice(emu, epcm->voices[i], 0, 0, &emu->efx_pcm_mixer[i]); snd_emu10k1_playback_trigger_voice(emu, epcm->voices[0], 0, 0); snd_emu10k1_playback_trigger_voice(emu, epcm->extra, 1, 1); for (i = 1; i < NUM_EFX_PLAYBACK; i++) snd_emu10k1_playback_trigger_voice(emu, epcm->voices[i], 0, 0); epcm->running = 1; break; case SNDRV_PCM_TRIGGER_SUSPEND: case SNDRV_PCM_TRIGGER_STOP: case SNDRV_PCM_TRIGGER_PAUSE_PUSH: epcm->running = 0; for (i = 0; i < NUM_EFX_PLAYBACK; i++) { snd_emu10k1_playback_stop_voice(emu, epcm->voices[i]); } snd_emu10k1_playback_stop_voice(emu, epcm->extra); break; default: result = -EINVAL; break; } spin_unlock(&emu->reg_lock); return result; } static snd_pcm_uframes_t snd_emu10k1_capture_pointer(struct snd_pcm_substream *substream) { struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); struct snd_pcm_runtime *runtime = substream->runtime; struct snd_emu10k1_pcm *epcm = runtime->private_data; unsigned int ptr; if (!epcm->running) return 0; if (epcm->first_ptr) { udelay(50); /* hack, it takes awhile until capture is started */ epcm->first_ptr = 0; } ptr = snd_emu10k1_ptr_read(emu, epcm->capture_idx_reg, 0) & 0x0000ffff; return bytes_to_frames(runtime, ptr); } /* * Playback support device description */ static const struct snd_pcm_hardware snd_emu10k1_playback = { .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_BLOCK_TRANSFER | SNDRV_PCM_INFO_RESUME | SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_PAUSE), .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_96000, .rate_min = 4000, .rate_max = 96000, .channels_min = 1, .channels_max = 2, .buffer_bytes_max = (128*1024), .period_bytes_min = 64, .period_bytes_max = (128*1024), .periods_min = 1, .periods_max = 1024, .fifo_size = 0, }; /* * Capture support device description */ static const struct snd_pcm_hardware snd_emu10k1_capture = { .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_BLOCK_TRANSFER | SNDRV_PCM_INFO_RESUME | SNDRV_PCM_INFO_MMAP_VALID), .formats = SNDRV_PCM_FMTBIT_S16_LE, .rates = SNDRV_PCM_RATE_8000_48000, .rate_min = 8000, .rate_max = 48000, .channels_min = 1, .channels_max = 2, .buffer_bytes_max = (64*1024), .period_bytes_min = 384, .period_bytes_max = (64*1024), .periods_min = 2, .periods_max = 2, .fifo_size = 0, }; static const struct snd_pcm_hardware snd_emu10k1_capture_efx = { .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_BLOCK_TRANSFER | SNDRV_PCM_INFO_RESUME | SNDRV_PCM_INFO_MMAP_VALID), .formats = SNDRV_PCM_FMTBIT_S16_LE, .rates = SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000, .rate_min = 44100, .rate_max = 192000, .channels_min = 8, .channels_max = 8, .buffer_bytes_max = (64*1024), .period_bytes_min = 384, .period_bytes_max = (64*1024), .periods_min = 2, .periods_max = 2, .fifo_size = 0, }; /* * */ static void snd_emu10k1_pcm_mixer_notify1(struct snd_emu10k1 *emu, struct snd_kcontrol *kctl, int idx, int activate) { struct snd_ctl_elem_id id; if (! kctl) return; if (activate) kctl->vd[idx].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE; else kctl->vd[idx].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE; snd_ctl_notify(emu->card, SNDRV_CTL_EVENT_MASK_VALUE | SNDRV_CTL_EVENT_MASK_INFO, snd_ctl_build_ioff(&id, kctl, idx)); } static void snd_emu10k1_pcm_mixer_notify(struct snd_emu10k1 *emu, int idx, int activate) { snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_send_routing, idx, activate); snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_send_volume, idx, activate); snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_attn, idx, activate); } static void snd_emu10k1_pcm_efx_mixer_notify(struct snd_emu10k1 *emu, int idx, int activate) { snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_send_routing, idx, activate); snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_send_volume, idx, activate); snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_attn, idx, activate); } static void snd_emu10k1_pcm_free_substream(struct snd_pcm_runtime *runtime) { kfree(runtime->private_data); } static int snd_emu10k1_efx_playback_close(struct snd_pcm_substream *substream) { struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); struct snd_emu10k1_pcm_mixer *mix; int i; for (i = 0; i < NUM_EFX_PLAYBACK; i++) { mix = &emu->efx_pcm_mixer[i]; mix->epcm = NULL; snd_emu10k1_pcm_efx_mixer_notify(emu, i, 0); } return 0; } static int snd_emu10k1_efx_playback_open(struct snd_pcm_substream *substream) { struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); struct snd_emu10k1_pcm *epcm; struct snd_emu10k1_pcm_mixer *mix; struct snd_pcm_runtime *runtime = substream->runtime; int i; epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); if (epcm == NULL) return -ENOMEM; epcm->emu = emu; epcm->type = PLAYBACK_EFX; epcm->substream = substream; emu->pcm_playback_efx_substream = substream; runtime->private_data = epcm; runtime->private_free = snd_emu10k1_pcm_free_substream; runtime->hw = snd_emu10k1_efx_playback; for (i = 0; i < NUM_EFX_PLAYBACK; i++) { mix = &emu->efx_pcm_mixer[i]; mix->send_routing[0][0] = i; memset(&mix->send_volume, 0, sizeof(mix->send_volume)); mix->send_volume[0][0] = 255; mix->attn[0] = 0xffff; mix->epcm = epcm; snd_emu10k1_pcm_efx_mixer_notify(emu, i, 1); } return 0; } static int snd_emu10k1_playback_open(struct snd_pcm_substream *substream) { struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); struct snd_emu10k1_pcm *epcm; struct snd_emu10k1_pcm_mixer *mix; struct snd_pcm_runtime *runtime = substream->runtime; int i, err, sample_rate; epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); if (epcm == NULL) return -ENOMEM; epcm->emu = emu; epcm->type = PLAYBACK_EMUVOICE; epcm->substream = substream; runtime->private_data = epcm; runtime->private_free = snd_emu10k1_pcm_free_substream; runtime->hw = snd_emu10k1_playback; if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) { kfree(epcm); return err; } if ((err = snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 256, UINT_MAX)) < 0) { kfree(epcm); return err; } if (emu->card_capabilities->emu_model && emu->emu1010.internal_clock == 0) sample_rate = 44100; else sample_rate = 48000; err = snd_pcm_hw_rule_noresample(runtime, sample_rate); if (err < 0) { kfree(epcm); return err; } mix = &emu->pcm_mixer[substream->number]; for (i = 0; i < 4; i++) mix->send_routing[0][i] = mix->send_routing[1][i] = mix->send_routing[2][i] = i; memset(&mix->send_volume, 0, sizeof(mix->send_volume)); mix->send_volume[0][0] = mix->send_volume[0][1] = mix->send_volume[1][0] = mix->send_volume[2][1] = 255; mix->attn[0] = mix->attn[1] = mix->attn[2] = 0xffff; mix->epcm = epcm; snd_emu10k1_pcm_mixer_notify(emu, substream->number, 1); return 0; } static int snd_emu10k1_playback_close(struct snd_pcm_substream *substream) { struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); struct snd_emu10k1_pcm_mixer *mix = &emu->pcm_mixer[substream->number]; mix->epcm = NULL; snd_emu10k1_pcm_mixer_notify(emu, substream->number, 0); return 0; } static int snd_emu10k1_capture_open(struct snd_pcm_substream *substream) { struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); struct snd_pcm_runtime *runtime = substream->runtime; struct snd_emu10k1_pcm *epcm; epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); if (epcm == NULL) return -ENOMEM; epcm->emu = emu; epcm->type = CAPTURE_AC97ADC; epcm->substream = substream; epcm->capture_ipr = IPR_ADCBUFFULL|IPR_ADCBUFHALFFULL; epcm->capture_inte = INTE_ADCBUFENABLE; epcm->capture_ba_reg = ADCBA; epcm->capture_bs_reg = ADCBS; epcm->capture_idx_reg = emu->audigy ? A_ADCIDX : ADCIDX; runtime->private_data = epcm; runtime->private_free = snd_emu10k1_pcm_free_substream; runtime->hw = snd_emu10k1_capture; emu->capture_interrupt = snd_emu10k1_pcm_ac97adc_interrupt; emu->pcm_capture_substream = substream; snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes); snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_capture_rates); return 0; } static int snd_emu10k1_capture_close(struct snd_pcm_substream *substream) { struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); emu->capture_interrupt = NULL; emu->pcm_capture_substream = NULL; return 0; } static int snd_emu10k1_capture_mic_open(struct snd_pcm_substream *substream) { struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); struct snd_emu10k1_pcm *epcm; struct snd_pcm_runtime *runtime = substream->runtime; epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); if (epcm == NULL) return -ENOMEM; epcm->emu = emu; epcm->type = CAPTURE_AC97MIC; epcm->substream = substream; epcm->capture_ipr = IPR_MICBUFFULL|IPR_MICBUFHALFFULL; epcm->capture_inte = INTE_MICBUFENABLE; epcm->capture_ba_reg = MICBA; epcm->capture_bs_reg = MICBS; epcm->capture_idx_reg = emu->audigy ? A_MICIDX : MICIDX; substream->runtime->private_data = epcm; substream->runtime->private_free = snd_emu10k1_pcm_free_substream; runtime->hw = snd_emu10k1_capture; runtime->hw.rates = SNDRV_PCM_RATE_8000; runtime->hw.rate_min = runtime->hw.rate_max = 8000; runtime->hw.channels_min = 1; emu->capture_mic_interrupt = snd_emu10k1_pcm_ac97mic_interrupt; emu->pcm_capture_mic_substream = substream; snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes); return 0; } static int snd_emu10k1_capture_mic_close(struct snd_pcm_substream *substream) { struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); emu->capture_interrupt = NULL; emu->pcm_capture_mic_substream = NULL; return 0; } static int snd_emu10k1_capture_efx_open(struct snd_pcm_substream *substream) { struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); struct snd_emu10k1_pcm *epcm; struct snd_pcm_runtime *runtime = substream->runtime; int nefx = emu->audigy ? 64 : 32; int idx; epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); if (epcm == NULL) return -ENOMEM; epcm->emu = emu; epcm->type = CAPTURE_EFX; epcm->substream = substream; epcm->capture_ipr = IPR_EFXBUFFULL|IPR_EFXBUFHALFFULL; epcm->capture_inte = INTE_EFXBUFENABLE; epcm->capture_ba_reg = FXBA; epcm->capture_bs_reg = FXBS; epcm->capture_idx_reg = FXIDX; substream->runtime->private_data = epcm; substream->runtime->private_free = snd_emu10k1_pcm_free_substream; runtime->hw = snd_emu10k1_capture_efx; runtime->hw.rates = SNDRV_PCM_RATE_48000; runtime->hw.rate_min = runtime->hw.rate_max = 48000; spin_lock_irq(&emu->reg_lock); if (emu->card_capabilities->emu_model) { /* Nb. of channels has been increased to 16 */ /* TODO * SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE * SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 | * SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | * SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000 * rate_min = 44100, * rate_max = 192000, * channels_min = 16, * channels_max = 16, * Need to add mixer control to fix sample rate * * There are 32 mono channels of 16bits each. * 24bit Audio uses 2x channels over 16bit * 96kHz uses 2x channels over 48kHz * 192kHz uses 4x channels over 48kHz * So, for 48kHz 24bit, one has 16 channels * for 96kHz 24bit, one has 8 channels * for 192kHz 24bit, one has 4 channels * */ #if 1 switch (emu->emu1010.internal_clock) { case 0: /* For 44.1kHz */ runtime->hw.rates = SNDRV_PCM_RATE_44100; runtime->hw.rate_min = runtime->hw.rate_max = 44100; runtime->hw.channels_min = runtime->hw.channels_max = 16; break; case 1: /* For 48kHz */ runtime->hw.rates = SNDRV_PCM_RATE_48000; runtime->hw.rate_min = runtime->hw.rate_max = 48000; runtime->hw.channels_min = runtime->hw.channels_max = 16; break; } #endif #if 0 /* For 96kHz */ runtime->hw.rates = SNDRV_PCM_RATE_96000; runtime->hw.rate_min = runtime->hw.rate_max = 96000; runtime->hw.channels_min = runtime->hw.channels_max = 4; #endif #if 0 /* For 192kHz */ runtime->hw.rates = SNDRV_PCM_RATE_192000; runtime->hw.rate_min = runtime->hw.rate_max = 192000; runtime->hw.channels_min = runtime->hw.channels_max = 2; #endif runtime->hw.formats = SNDRV_PCM_FMTBIT_S32_LE; /* efx_voices_mask[0] is expected to be zero * efx_voices_mask[1] is expected to have 32bits set */ } else { runtime->hw.channels_min = runtime->hw.channels_max = 0; for (idx = 0; idx < nefx; idx++) { if (emu->efx_voices_mask[idx/32] & (1 << (idx%32))) { runtime->hw.channels_min++; runtime->hw.channels_max++; } } } epcm->capture_cr_val = emu->efx_voices_mask[0]; epcm->capture_cr_val2 = emu->efx_voices_mask[1]; spin_unlock_irq(&emu->reg_lock); emu->capture_efx_interrupt = snd_emu10k1_pcm_efx_interrupt; emu->pcm_capture_efx_substream = substream; snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes); return 0; } static int snd_emu10k1_capture_efx_close(struct snd_pcm_substream *substream) { struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); emu->capture_interrupt = NULL; emu->pcm_capture_efx_substream = NULL; return 0; } static const struct snd_pcm_ops snd_emu10k1_playback_ops = { .open = snd_emu10k1_playback_open, .close = snd_emu10k1_playback_close, .ioctl = snd_pcm_lib_ioctl, .hw_params = snd_emu10k1_playback_hw_params, .hw_free = snd_emu10k1_playback_hw_free, .prepare = snd_emu10k1_playback_prepare, .trigger = snd_emu10k1_playback_trigger, .pointer = snd_emu10k1_playback_pointer, .page = snd_pcm_sgbuf_ops_page, }; static const struct snd_pcm_ops snd_emu10k1_capture_ops = { .open = snd_emu10k1_capture_open, .close = snd_emu10k1_capture_close, .ioctl = snd_pcm_lib_ioctl, .hw_params = snd_emu10k1_capture_hw_params, .hw_free = snd_emu10k1_capture_hw_free, .prepare = snd_emu10k1_capture_prepare, .trigger = snd_emu10k1_capture_trigger, .pointer = snd_emu10k1_capture_pointer, }; /* EFX playback */ static const struct snd_pcm_ops snd_emu10k1_efx_playback_ops = { .open = snd_emu10k1_efx_playback_open, .close = snd_emu10k1_efx_playback_close, .ioctl = snd_pcm_lib_ioctl, .hw_params = snd_emu10k1_playback_hw_params, .hw_free = snd_emu10k1_efx_playback_hw_free, .prepare = snd_emu10k1_efx_playback_prepare, .trigger = snd_emu10k1_efx_playback_trigger, .pointer = snd_emu10k1_efx_playback_pointer, .page = snd_pcm_sgbuf_ops_page, }; int snd_emu10k1_pcm(struct snd_emu10k1 *emu, int device) { struct snd_pcm *pcm; struct snd_pcm_substream *substream; int err; if ((err = snd_pcm_new(emu->card, "emu10k1", device, 32, 1, &pcm)) < 0) return err; pcm->private_data = emu; snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_playback_ops); snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_ops); pcm->info_flags = 0; pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX; strcpy(pcm->name, "ADC Capture/Standard PCM Playback"); emu->pcm = pcm; for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next) if ((err = snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV_SG, snd_dma_pci_data(emu->pci), 64*1024, 64*1024)) < 0) return err; for (substream = pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream; substream; substream = substream->next) snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024); return 0; } int snd_emu10k1_pcm_multi(struct snd_emu10k1 *emu, int device) { struct snd_pcm *pcm; struct snd_pcm_substream *substream; int err; if ((err = snd_pcm_new(emu->card, "emu10k1", device, 1, 0, &pcm)) < 0) return err; pcm->private_data = emu; snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_efx_playback_ops); pcm->info_flags = 0; pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX; strcpy(pcm->name, "Multichannel Playback"); emu->pcm_multi = pcm; for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next) if ((err = snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV_SG, snd_dma_pci_data(emu->pci), 64*1024, 64*1024)) < 0) return err; return 0; } static const struct snd_pcm_ops snd_emu10k1_capture_mic_ops = { .open = snd_emu10k1_capture_mic_open, .close = snd_emu10k1_capture_mic_close, .ioctl = snd_pcm_lib_ioctl, .hw_params = snd_emu10k1_capture_hw_params, .hw_free = snd_emu10k1_capture_hw_free, .prepare = snd_emu10k1_capture_prepare, .trigger = snd_emu10k1_capture_trigger, .pointer = snd_emu10k1_capture_pointer, }; int snd_emu10k1_pcm_mic(struct snd_emu10k1 *emu, int device) { struct snd_pcm *pcm; int err; if ((err = snd_pcm_new(emu->card, "emu10k1 mic", device, 0, 1, &pcm)) < 0) return err; pcm->private_data = emu; snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_mic_ops); pcm->info_flags = 0; strcpy(pcm->name, "Mic Capture"); emu->pcm_mic = pcm; snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024); return 0; } static int snd_emu10k1_pcm_efx_voices_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) { struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol); int nefx = emu->audigy ? 64 : 32; uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; uinfo->count = nefx; uinfo->value.integer.min = 0; uinfo->value.integer.max = 1; return 0; } static int snd_emu10k1_pcm_efx_voices_mask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol); int nefx = emu->audigy ? 64 : 32; int idx; spin_lock_irq(&emu->reg_lock); for (idx = 0; idx < nefx; idx++) ucontrol->value.integer.value[idx] = (emu->efx_voices_mask[idx / 32] & (1 << (idx % 32))) ? 1 : 0; spin_unlock_irq(&emu->reg_lock); return 0; } static int snd_emu10k1_pcm_efx_voices_mask_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol); unsigned int nval[2], bits; int nefx = emu->audigy ? 64 : 32; int nefxb = emu->audigy ? 7 : 6; int change, idx; nval[0] = nval[1] = 0; for (idx = 0, bits = 0; idx < nefx; idx++) if (ucontrol->value.integer.value[idx]) { nval[idx / 32] |= 1 << (idx % 32); bits++; } for (idx = 0; idx < nefxb; idx++) if (1 << idx == bits) break; if (idx >= nefxb) return -EINVAL; spin_lock_irq(&emu->reg_lock); change = (nval[0] != emu->efx_voices_mask[0]) || (nval[1] != emu->efx_voices_mask[1]); emu->efx_voices_mask[0] = nval[0]; emu->efx_voices_mask[1] = nval[1]; spin_unlock_irq(&emu->reg_lock); return change; } static const struct snd_kcontrol_new snd_emu10k1_pcm_efx_voices_mask = { .iface = SNDRV_CTL_ELEM_IFACE_PCM, .name = "Captured FX8010 Outputs", .info = snd_emu10k1_pcm_efx_voices_mask_info, .get = snd_emu10k1_pcm_efx_voices_mask_get, .put = snd_emu10k1_pcm_efx_voices_mask_put }; static const struct snd_pcm_ops snd_emu10k1_capture_efx_ops = { .open = snd_emu10k1_capture_efx_open, .close = snd_emu10k1_capture_efx_close, .ioctl = snd_pcm_lib_ioctl, .hw_params = snd_emu10k1_capture_hw_params, .hw_free = snd_emu10k1_capture_hw_free, .prepare = snd_emu10k1_capture_prepare, .trigger = snd_emu10k1_capture_trigger, .pointer = snd_emu10k1_capture_pointer, }; /* EFX playback */ #define INITIAL_TRAM_SHIFT 14 #define INITIAL_TRAM_POS(size) ((((size) / 2) - INITIAL_TRAM_SHIFT) - 1) static void snd_emu10k1_fx8010_playback_irq(struct snd_emu10k1 *emu, void *private_data) { struct snd_pcm_substream *substream = private_data; snd_pcm_period_elapsed(substream); } static void snd_emu10k1_fx8010_playback_tram_poke1(unsigned short *dst_left, unsigned short *dst_right, unsigned short *src, unsigned int count, unsigned int tram_shift) { /* dev_dbg(emu->card->dev, "tram_poke1: dst_left = 0x%p, dst_right = 0x%p, " "src = 0x%p, count = 0x%x\n", dst_left, dst_right, src, count); */ if ((tram_shift & 1) == 0) { while (count--) { *dst_left-- = *src++; *dst_right-- = *src++; } } else { while (count--) { *dst_right-- = *src++; *dst_left-- = *src++; } } } static void fx8010_pb_trans_copy(struct snd_pcm_substream *substream, struct snd_pcm_indirect *rec, size_t bytes) { struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; unsigned int tram_size = pcm->buffer_size; unsigned short *src = (unsigned short *)(substream->runtime->dma_area + rec->sw_data); unsigned int frames = bytes >> 2, count; unsigned int tram_pos = pcm->tram_pos; unsigned int tram_shift = pcm->tram_shift; while (frames > tram_pos) { count = tram_pos + 1; snd_emu10k1_fx8010_playback_tram_poke1((unsigned short *)emu->fx8010.etram_pages.area + tram_pos, (unsigned short *)emu->fx8010.etram_pages.area + tram_pos + tram_size / 2, src, count, tram_shift); src += count * 2; frames -= count; tram_pos = (tram_size / 2) - 1; tram_shift++; } snd_emu10k1_fx8010_playback_tram_poke1((unsigned short *)emu->fx8010.etram_pages.area + tram_pos, (unsigned short *)emu->fx8010.etram_pages.area + tram_pos + tram_size / 2, src, frames, tram_shift); tram_pos -= frames; pcm->tram_pos = tram_pos; pcm->tram_shift = tram_shift; } static int snd_emu10k1_fx8010_playback_transfer(struct snd_pcm_substream *substream) { struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; return snd_pcm_indirect_playback_transfer(substream, &pcm->pcm_rec, fx8010_pb_trans_copy); } static int snd_emu10k1_fx8010_playback_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *hw_params) { return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); } static int snd_emu10k1_fx8010_playback_hw_free(struct snd_pcm_substream *substream) { struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; unsigned int i; for (i = 0; i < pcm->channels; i++) snd_emu10k1_ptr_write(emu, TANKMEMADDRREGBASE + 0x80 + pcm->etram[i], 0, 0); snd_pcm_lib_free_pages(substream); return 0; } static int snd_emu10k1_fx8010_playback_prepare(struct snd_pcm_substream *substream) { struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); struct snd_pcm_runtime *runtime = substream->runtime; struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; unsigned int i; /* dev_dbg(emu->card->dev, "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); */ memset(&pcm->pcm_rec, 0, sizeof(pcm->pcm_rec)); pcm->pcm_rec.hw_buffer_size = pcm->buffer_size * 2; /* byte size */ pcm->pcm_rec.sw_buffer_size = snd_pcm_lib_buffer_bytes(substream); pcm->tram_pos = INITIAL_TRAM_POS(pcm->buffer_size); pcm->tram_shift = 0; snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_running, 0, 0); /* reset */ snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 0); /* reset */ snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_size, 0, runtime->buffer_size); snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_ptr, 0, 0); /* reset ptr number */ snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_count, 0, runtime->period_size); snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_tmpcount, 0, runtime->period_size); for (i = 0; i < pcm->channels; i++) snd_emu10k1_ptr_write(emu, TANKMEMADDRREGBASE + 0x80 + pcm->etram[i], 0, (TANKMEMADDRREG_READ|TANKMEMADDRREG_ALIGN) + i * (runtime->buffer_size / pcm->channels)); return 0; } static int snd_emu10k1_fx8010_playback_trigger(struct snd_pcm_substream *substream, int cmd) { struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; int result = 0; spin_lock(&emu->reg_lock); switch (cmd) { case SNDRV_PCM_TRIGGER_START: /* follow thru */ case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: case SNDRV_PCM_TRIGGER_RESUME: #ifdef EMU10K1_SET_AC3_IEC958 { int i; for (i = 0; i < 3; i++) { unsigned int bits; bits = SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 | SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC | SPCS_GENERATIONSTATUS | 0x00001200 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT | SPCS_NOTAUDIODATA; snd_emu10k1_ptr_write(emu, SPCS0 + i, 0, bits); } } #endif result = snd_emu10k1_fx8010_register_irq_handler(emu, snd_emu10k1_fx8010_playback_irq, pcm->gpr_running, substream, &pcm->irq); if (result < 0) goto __err; snd_emu10k1_fx8010_playback_transfer(substream); /* roll the ball */ snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 1); break; case SNDRV_PCM_TRIGGER_STOP: case SNDRV_PCM_TRIGGER_PAUSE_PUSH: case SNDRV_PCM_TRIGGER_SUSPEND: snd_emu10k1_fx8010_unregister_irq_handler(emu, &pcm->irq); snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 0); pcm->tram_pos = INITIAL_TRAM_POS(pcm->buffer_size); pcm->tram_shift = 0; break; default: result = -EINVAL; break; } __err: spin_unlock(&emu->reg_lock); return result; } static snd_pcm_uframes_t snd_emu10k1_fx8010_playback_pointer(struct snd_pcm_substream *substream) { struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; size_t ptr; /* byte pointer */ if (!snd_emu10k1_ptr_read(emu, emu->gpr_base + pcm->gpr_trigger, 0)) return 0; ptr = snd_emu10k1_ptr_read(emu, emu->gpr_base + pcm->gpr_ptr, 0) << 2; return snd_pcm_indirect_playback_pointer(substream, &pcm->pcm_rec, ptr); } static const struct snd_pcm_hardware snd_emu10k1_fx8010_playback = { .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_RESUME | /* SNDRV_PCM_INFO_MMAP_VALID | */ SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_SYNC_APPLPTR), .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, .rates = SNDRV_PCM_RATE_48000, .rate_min = 48000, .rate_max = 48000, .channels_min = 1, .channels_max = 1, .buffer_bytes_max = (128*1024), .period_bytes_min = 1024, .period_bytes_max = (128*1024), .periods_min = 2, .periods_max = 1024, .fifo_size = 0, }; static int snd_emu10k1_fx8010_playback_open(struct snd_pcm_substream *substream) { struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); struct snd_pcm_runtime *runtime = substream->runtime; struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; runtime->hw = snd_emu10k1_fx8010_playback; runtime->hw.channels_min = runtime->hw.channels_max = pcm->channels; runtime->hw.period_bytes_max = (pcm->buffer_size * 2) / 2; spin_lock_irq(&emu->reg_lock); if (pcm->valid == 0) { spin_unlock_irq(&emu->reg_lock); return -ENODEV; } pcm->opened = 1; spin_unlock_irq(&emu->reg_lock); return 0; } static int snd_emu10k1_fx8010_playback_close(struct snd_pcm_substream *substream) { struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; spin_lock_irq(&emu->reg_lock); pcm->opened = 0; spin_unlock_irq(&emu->reg_lock); return 0; } static const struct snd_pcm_ops snd_emu10k1_fx8010_playback_ops = { .open = snd_emu10k1_fx8010_playback_open, .close = snd_emu10k1_fx8010_playback_close, .ioctl = snd_pcm_lib_ioctl, .hw_params = snd_emu10k1_fx8010_playback_hw_params, .hw_free = snd_emu10k1_fx8010_playback_hw_free, .prepare = snd_emu10k1_fx8010_playback_prepare, .trigger = snd_emu10k1_fx8010_playback_trigger, .pointer = snd_emu10k1_fx8010_playback_pointer, .ack = snd_emu10k1_fx8010_playback_transfer, }; int snd_emu10k1_pcm_efx(struct snd_emu10k1 *emu, int device) { struct snd_pcm *pcm; struct snd_kcontrol *kctl; int err; if ((err = snd_pcm_new(emu->card, "emu10k1 efx", device, 8, 1, &pcm)) < 0) return err; pcm->private_data = emu; snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_fx8010_playback_ops); snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_efx_ops); pcm->info_flags = 0; strcpy(pcm->name, "Multichannel Capture/PT Playback"); emu->pcm_efx = pcm; /* EFX capture - record the "FXBUS2" channels, by default we connect the EXTINs * to these */ /* emu->efx_voices_mask[0] = FXWC_DEFAULTROUTE_C | FXWC_DEFAULTROUTE_A; */ if (emu->audigy) { emu->efx_voices_mask[0] = 0; if (emu->card_capabilities->emu_model) /* Pavel Hofman - 32 voices will be used for * capture (write mode) - * each bit = corresponding voice */ emu->efx_voices_mask[1] = 0xffffffff; else emu->efx_voices_mask[1] = 0xffff; } else { emu->efx_voices_mask[0] = 0xffff0000; emu->efx_voices_mask[1] = 0; } /* For emu1010, the control has to set 32 upper bits (voices) * out of the 64 bits (voices) to true for the 16-channels capture * to work correctly. Correct A_FXWC2 initial value (0xffffffff) * is already defined but the snd_emu10k1_pcm_efx_voices_mask * control can override this register's value. */ kctl = snd_ctl_new1(&snd_emu10k1_pcm_efx_voices_mask, emu); if (!kctl) return -ENOMEM; kctl->id.device = device; err = snd_ctl_add(emu->card, kctl); if (err < 0) return err; snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024); return 0; }
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