| /* |
| * Copyright (c) by Jaroslav Kysela <perex@suse.cz> |
| * Creative Labs, Inc. |
| * Routines for control of EMU10K1 chips / PCM routines |
| * |
| * 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 |
| * |
| */ |
| |
| #define __NO_VERSION__ |
| #include <sound/driver.h> |
| #include <linux/slab.h> |
| #include <linux/time.h> |
| #include <sound/core.h> |
| #include <sound/emu10k1.h> |
| |
| #define chip_t emu10k1_t |
| |
| static void snd_emu10k1_pcm_interrupt(emu10k1_t *emu, emu10k1_voice_t *voice) |
| { |
| emu10k1_pcm_t *epcm; |
| |
| if ((epcm = voice->epcm) == NULL) |
| return; |
| if (epcm->substream == NULL) |
| return; |
| #if 0 |
| printk("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(emu10k1_t *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(emu10k1_t *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(emu10k1_t *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 int snd_emu10k1_pcm_channel_alloc(emu10k1_pcm_t * epcm, int voices) |
| { |
| int err; |
| |
| if (epcm->voices[1] != NULL && voices < 2) { |
| snd_emu10k1_voice_free(epcm->emu, epcm->voices[1]); |
| epcm->voices[1] = NULL; |
| } |
| if (voices == 1 && epcm->voices[0] != NULL) |
| return 0; /* already allocated */ |
| if (voices == 2 && epcm->voices[0] != NULL && epcm->voices[1] != NULL) |
| return 0; |
| if (voices > 1) { |
| if (epcm->voices[0] != NULL && epcm->voices[1] == NULL) { |
| snd_emu10k1_voice_free(epcm->emu, epcm->voices[0]); |
| epcm->voices[0] = NULL; |
| } |
| } |
| err = snd_emu10k1_voice_alloc(epcm->emu, EMU10K1_PCM, voices > 1, &epcm->voices[0]); |
| if (err < 0) |
| return err; |
| epcm->voices[0]->epcm = epcm; |
| if (voices > 1) { |
| epcm->voices[1] = &epcm->emu->voices[epcm->voices[0]->number + 1]; |
| epcm->voices[1]->epcm = epcm; |
| } |
| if (epcm->extra == NULL) { |
| err = snd_emu10k1_voice_alloc(epcm->emu, EMU10K1_PCM, 0, &epcm->extra); |
| if (err < 0) { |
| // printk("pcm_channel_alloc: failed extra: voices=%d, frame=%d\n", voices, frame); |
| snd_emu10k1_voice_free(epcm->emu, epcm->voices[0]); |
| epcm->voices[0] = NULL; |
| if (epcm->voices[1]) |
| snd_emu10k1_voice_free(epcm->emu, epcm->voices[1]); |
| epcm->voices[1] = NULL; |
| return err; |
| } |
| epcm->extra->epcm = epcm; |
| epcm->extra->interrupt = snd_emu10k1_pcm_interrupt; |
| } |
| return 0; |
| } |
| |
| static 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 snd_pcm_hw_constraint_list_t hw_constraints_capture_period_sizes = { |
| count: 31, |
| list: capture_period_sizes, |
| mask: 0 |
| }; |
| |
| static unsigned int capture_rates[8] = { |
| 8000, 11025, 16000, 22050, 24000, 32000, 44100, 48000 |
| }; |
| |
| static snd_pcm_hw_constraint_list_t 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; |
| } |
| |
| |
| static void snd_emu10k1_pcm_init_voice(emu10k1_t *emu, |
| int master, int extra, |
| emu10k1_voice_t *evoice, |
| unsigned int start_addr, |
| unsigned int end_addr) |
| { |
| snd_pcm_substream_t *substream = evoice->epcm->substream; |
| snd_pcm_runtime_t *runtime = substream->runtime; |
| emu10k1_pcm_mixer_t *mix = &emu->pcm_mixer[substream->number]; |
| unsigned int silent_page, tmp; |
| int voice, stereo, w_16; |
| unsigned char attn, send_amount[8]; |
| unsigned char send_routing[8]; |
| unsigned long flags; |
| unsigned int pitch_target; |
| |
| 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) { |
| attn = 0; |
| 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 { |
| tmp = stereo ? (master ? 1 : 2) : 0; |
| memcpy(send_routing, &mix->send_routing[tmp][0], 8); |
| memcpy(send_amount, &mix->send_volume[tmp][0], 8); |
| } |
| |
| if (master) { |
| unsigned int ccis = stereo ? 28 : 30; |
| if (w_16) |
| ccis *= 2; |
| evoice->epcm->ccca_start_addr = start_addr + ccis; |
| if (extra) { |
| start_addr += ccis; |
| end_addr += ccis; |
| } |
| 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, |
| ((unsigned int)send_routing[3] << 24) | |
| ((unsigned int)send_routing[2] << 16) | |
| ((unsigned int)send_routing[1] << 8) | |
| (unsigned int)send_routing[0]); |
| snd_emu10k1_ptr_write(emu, A_FXRT2, voice, |
| ((unsigned int)send_routing[7] << 24) | |
| ((unsigned int)send_routing[6] << 16) | |
| ((unsigned int)send_routing[5] << 8) | |
| (unsigned int)send_routing[4]); |
| 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 | (send_amount[2] << 24)); |
| pitch_target = emu10k1_calc_pitch_target(runtime->rate); |
| snd_emu10k1_ptr_write(emu, CCCA, voice, evoice->epcm->ccca_start_addr | |
| 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_dmaaddr << 1) | MAP_PTI_MASK; |
| 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(snd_pcm_substream_t * substream, |
| snd_pcm_hw_params_t * hw_params) |
| { |
| emu10k1_t *emu = snd_pcm_substream_chip(substream); |
| snd_pcm_runtime_t *runtime = substream->runtime; |
| emu10k1_pcm_t *epcm = snd_magic_cast(emu10k1_pcm_t, runtime->private_data, return -ENXIO); |
| int err; |
| |
| if ((err = snd_emu10k1_pcm_channel_alloc(epcm, params_channels(hw_params))) < 0) |
| return err; |
| if ((err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params))) < 0) |
| return err; |
| if (err > 0) { /* change */ |
| snd_util_memblk_t *memblk; |
| if (epcm->memblk != NULL) |
| snd_emu10k1_free_pages(emu, epcm->memblk); |
| memblk = snd_emu10k1_alloc_pages(emu, runtime->dma_addr, runtime->dma_bytes); |
| if ((epcm->memblk = memblk) == NULL || ((emu10k1_memblk_t *)memblk)->mapped_page < 0) { |
| epcm->start_addr = 0; |
| return -ENOMEM; |
| } |
| epcm->start_addr = ((emu10k1_memblk_t *)memblk)->mapped_page << PAGE_SHIFT; |
| } |
| return 0; |
| } |
| |
| static int snd_emu10k1_playback_hw_free(snd_pcm_substream_t * substream) |
| { |
| emu10k1_t *emu = snd_pcm_substream_chip(substream); |
| snd_pcm_runtime_t *runtime = substream->runtime; |
| emu10k1_pcm_t *epcm; |
| |
| if (runtime->private_data == NULL) |
| return 0; |
| epcm = snd_magic_cast(emu10k1_pcm_t, runtime->private_data, return -ENXIO); |
| 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_playback_prepare(snd_pcm_substream_t * substream) |
| { |
| emu10k1_t *emu = snd_pcm_substream_chip(substream); |
| snd_pcm_runtime_t *runtime = substream->runtime; |
| emu10k1_pcm_t *epcm = snd_magic_cast(emu10k1_pcm_t, runtime->private_data, return -ENXIO); |
| unsigned int start_addr, end_addr; |
| |
| start_addr = epcm->start_addr; |
| end_addr = snd_pcm_lib_period_bytes(substream); |
| if (runtime->channels == 2) |
| end_addr >>= 1; |
| end_addr += start_addr; |
| snd_emu10k1_pcm_init_voice(emu, 1, 1, epcm->extra, |
| start_addr, end_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); |
| if (epcm->voices[1]) |
| snd_emu10k1_pcm_init_voice(emu, 0, 0, epcm->voices[1], |
| start_addr, end_addr); |
| return 0; |
| } |
| |
| static int snd_emu10k1_capture_hw_params(snd_pcm_substream_t * substream, |
| snd_pcm_hw_params_t * hw_params) |
| { |
| return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); |
| } |
| |
| static int snd_emu10k1_capture_hw_free(snd_pcm_substream_t * substream) |
| { |
| return snd_pcm_lib_free_pages(substream); |
| } |
| |
| static int snd_emu10k1_capture_prepare(snd_pcm_substream_t * substream) |
| { |
| emu10k1_t *emu = snd_pcm_substream_chip(substream); |
| snd_pcm_runtime_t *runtime = substream->runtime; |
| emu10k1_pcm_t *epcm = snd_magic_cast(emu10k1_pcm_t, runtime->private_data, return -ENXIO); |
| int idx; |
| |
| 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: |
| 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(emu10k1_t *emu, emu10k1_voice_t *evoice) |
| { |
| snd_pcm_runtime_t *runtime; |
| unsigned int voice, i, ccis, cra = 64, cs, sample; |
| |
| if (evoice == NULL) |
| return; |
| runtime = evoice->epcm->substream->runtime; |
| voice = evoice->number; |
| sample = snd_pcm_format_width(runtime->format) == 16 ? 0 : 0x80808080; |
| if (runtime->channels > 1) { |
| ccis = 28; |
| cs = 4; |
| } else { |
| ccis = 30; |
| cs = 2; |
| } |
| if (sample == 0) /* 16-bit */ |
| ccis *= 2; |
| for (i = 0; i < cs; i++) |
| snd_emu10k1_ptr_write(emu, CD0 + i, voice, sample); |
| // reset cache |
| snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice, 0); |
| snd_emu10k1_ptr_write(emu, CCR_READADDRESS, voice, cra); |
| if (runtime->channels > 1) { |
| 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); |
| } |
| |
| static void snd_emu10k1_playback_trigger_voice(emu10k1_t *emu, emu10k1_voice_t *evoice, int master, int extra) |
| { |
| snd_pcm_substream_t *substream; |
| snd_pcm_runtime_t *runtime; |
| emu10k1_pcm_mixer_t *mix; |
| unsigned int voice, pitch, pitch_target, tmp; |
| unsigned int attn; |
| |
| if (evoice == NULL) /* skip second voice for mono */ |
| return; |
| substream = evoice->epcm->substream; |
| runtime = substream->runtime; |
| mix = &emu->pcm_mixer[substream->number]; |
| voice = evoice->number; |
| pitch = snd_emu10k1_rate_to_pitch(runtime->rate) >> 8; |
| pitch_target = emu10k1_calc_pitch_target(runtime->rate); |
| attn = extra ? 0 : 0x00ff; |
| tmp = runtime->channels == 2 ? (master ? 1 : 2) : 0; |
| snd_emu10k1_ptr_write(emu, IFATN, voice, attn); |
| snd_emu10k1_ptr_write(emu, VTFT, voice, (mix->attn[tmp] << 16) | 0xffff); |
| snd_emu10k1_ptr_write(emu, CVCF, voice, (mix->attn[tmp] << 16) | 0xffff); |
| snd_emu10k1_voice_clear_loop_stop(emu, voice); |
| if (extra) |
| snd_emu10k1_voice_intr_enable(emu, voice); |
| snd_emu10k1_ptr_write(emu, DCYSUSV, voice, 0x7f7f); |
| snd_emu10k1_ptr_write(emu, PTRX_PITCHTARGET, voice, pitch_target); |
| if (master) |
| snd_emu10k1_ptr_write(emu, CPF_CURRENTPITCH, voice, pitch_target); |
| snd_emu10k1_ptr_write(emu, IP, voice, pitch); |
| } |
| |
| static void snd_emu10k1_playback_stop_voice(emu10k1_t *emu, emu10k1_voice_t *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 int snd_emu10k1_playback_trigger(snd_pcm_substream_t * substream, |
| int cmd) |
| { |
| emu10k1_t *emu = snd_pcm_substream_chip(substream); |
| snd_pcm_runtime_t *runtime = substream->runtime; |
| emu10k1_pcm_t *epcm = snd_magic_cast(emu10k1_pcm_t, runtime->private_data, return -ENXIO); |
| unsigned long flags; |
| int result = 0; |
| |
| // printk("trigger - emu10k1 = 0x%x, cmd = %i, pointer = %i\n", (int)emu, cmd, substream->ops->pointer(substream)); |
| spin_lock_irqsave(&emu->reg_lock, flags); |
| switch (cmd) { |
| case SNDRV_PCM_TRIGGER_START: |
| snd_emu10k1_playback_invalidate_cache(emu, epcm->extra); /* do we need this? */ |
| snd_emu10k1_playback_invalidate_cache(emu, epcm->voices[0]); |
| /* follow thru */ |
| case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: |
| 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: |
| 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_irqrestore(&emu->reg_lock, flags); |
| return result; |
| } |
| |
| static int snd_emu10k1_capture_trigger(snd_pcm_substream_t * substream, |
| int cmd) |
| { |
| emu10k1_t *emu = snd_pcm_substream_chip(substream); |
| snd_pcm_runtime_t *runtime = substream->runtime; |
| emu10k1_pcm_t *epcm = snd_magic_cast(emu10k1_pcm_t, runtime->private_data, return -ENXIO); |
| unsigned long flags; |
| int result = 0; |
| |
| // printk("trigger - emu10k1 = %p, cmd = %i, pointer = %i\n", emu, cmd, substream->ops->pointer(substream)); |
| spin_lock_irqsave(&emu->reg_lock, flags); |
| switch (cmd) { |
| case SNDRV_PCM_TRIGGER_START: |
| outl(epcm->capture_ipr, emu->port + IPR); |
| snd_emu10k1_intr_enable(emu, epcm->capture_inte); |
| // printk("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: |
| snd_emu10k1_ptr_write(emu, FXWC, 0, epcm->capture_cr_val); |
| printk(">> FXWC = 0x%x\n", snd_emu10k1_ptr_read(emu, FXWC, 0)); |
| break; |
| default: |
| break; |
| } |
| snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, epcm->capture_bs_val); |
| epcm->running = 1; |
| break; |
| case SNDRV_PCM_TRIGGER_STOP: |
| 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: |
| snd_emu10k1_ptr_write(emu, FXWC, 0, 0); |
| break; |
| default: |
| break; |
| } |
| break; |
| default: |
| result = -EINVAL; |
| } |
| spin_unlock_irqrestore(&emu->reg_lock, flags); |
| return result; |
| } |
| |
| static snd_pcm_uframes_t snd_emu10k1_playback_pointer(snd_pcm_substream_t * substream) |
| { |
| emu10k1_t *emu = snd_pcm_substream_chip(substream); |
| snd_pcm_runtime_t *runtime = substream->runtime; |
| emu10k1_pcm_t *epcm = snd_magic_cast(emu10k1_pcm_t, runtime->private_data, return -ENXIO); |
| 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; |
| #endif |
| // printk("ptr = 0x%x, buffer_size = 0x%x, period_size = 0x%x\n", ptr, runtime->buffer_size, runtime->period_size); |
| return ptr; |
| } |
| |
| static snd_pcm_uframes_t snd_emu10k1_capture_pointer(snd_pcm_substream_t * substream) |
| { |
| emu10k1_t *emu = snd_pcm_substream_chip(substream); |
| snd_pcm_runtime_t *runtime = substream->runtime; |
| emu10k1_pcm_t *epcm = snd_magic_cast(emu10k1_pcm_t, runtime->private_data, return -ENXIO); |
| unsigned int ptr; |
| |
| if (!epcm->running) |
| return 0; |
| ptr = snd_emu10k1_ptr_read(emu, epcm->capture_idx_reg, 0) & 0x0000ffff; |
| return bytes_to_frames(runtime, ptr); |
| } |
| |
| /* |
| * Playback support device description |
| */ |
| |
| static snd_pcm_hardware_t snd_emu10k1_playback = |
| { |
| info: (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | |
| SNDRV_PCM_INFO_BLOCK_TRANSFER | |
| 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_48000, |
| rate_min: 4000, |
| rate_max: 48000, |
| 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 snd_pcm_hardware_t snd_emu10k1_capture = |
| { |
| info: (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | |
| SNDRV_PCM_INFO_BLOCK_TRANSFER | |
| 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 void snd_emu10k1_pcm_mixer_notify1(snd_card_t *card, snd_kcontrol_t *kctl, int activate) |
| { |
| snd_runtime_check(kctl != NULL, return); |
| if (activate) |
| kctl->access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE; |
| else |
| kctl->access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE; |
| snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE | |
| SNDRV_CTL_EVENT_MASK_INFO, &kctl->id); |
| } |
| |
| static void snd_emu10k1_pcm_mixer_notify(snd_card_t *card, emu10k1_pcm_mixer_t *mix, int activate) |
| { |
| snd_emu10k1_pcm_mixer_notify1(card, mix->ctl_send_routing, activate); |
| snd_emu10k1_pcm_mixer_notify1(card, mix->ctl_send_volume, activate); |
| snd_emu10k1_pcm_mixer_notify1(card, mix->ctl_attn, activate); |
| } |
| |
| static void snd_emu10k1_pcm_free_substream(snd_pcm_runtime_t *runtime) |
| { |
| emu10k1_pcm_t *epcm = snd_magic_cast(emu10k1_pcm_t, runtime->private_data, return); |
| |
| if (epcm) |
| snd_magic_kfree(epcm); |
| } |
| |
| static int snd_emu10k1_playback_open(snd_pcm_substream_t * substream) |
| { |
| emu10k1_t *emu = snd_pcm_substream_chip(substream); |
| emu10k1_pcm_t *epcm; |
| emu10k1_pcm_mixer_t *mix; |
| snd_pcm_runtime_t *runtime = substream->runtime; |
| int i, err; |
| |
| epcm = snd_magic_kcalloc(emu10k1_pcm_t, 0, 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) { |
| snd_magic_kfree(epcm); |
| return err; |
| } |
| if ((err = snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 256, UINT_MAX)) < 0) { |
| snd_magic_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->card, mix, 1); |
| return 0; |
| } |
| |
| static int snd_emu10k1_playback_close(snd_pcm_substream_t * substream) |
| { |
| emu10k1_t *emu = snd_pcm_substream_chip(substream); |
| emu10k1_pcm_mixer_t *mix = &emu->pcm_mixer[substream->number]; |
| |
| mix->epcm = NULL; |
| snd_emu10k1_pcm_mixer_notify(emu->card, mix, 0); |
| return 0; |
| } |
| |
| static int snd_emu10k1_capture_open(snd_pcm_substream_t * substream) |
| { |
| emu10k1_t *emu = snd_pcm_substream_chip(substream); |
| snd_pcm_runtime_t *runtime = substream->runtime; |
| emu10k1_pcm_t *epcm; |
| |
| epcm = snd_magic_kcalloc(emu10k1_pcm_t, 0, 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_SIZE, &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(snd_pcm_substream_t * substream) |
| { |
| emu10k1_t *emu = snd_pcm_substream_chip(substream); |
| |
| emu->capture_interrupt = NULL; |
| emu->pcm_capture_substream = NULL; |
| return 0; |
| } |
| |
| static int snd_emu10k1_capture_mic_open(snd_pcm_substream_t * substream) |
| { |
| emu10k1_t *emu = snd_pcm_substream_chip(substream); |
| emu10k1_pcm_t *epcm; |
| snd_pcm_runtime_t *runtime = substream->runtime; |
| |
| epcm = snd_magic_kcalloc(emu10k1_pcm_t, 0, 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 = 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_SIZE, &hw_constraints_capture_period_sizes); |
| return 0; |
| } |
| |
| static int snd_emu10k1_capture_mic_close(snd_pcm_substream_t * substream) |
| { |
| emu10k1_t *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(snd_pcm_substream_t * substream) |
| { |
| emu10k1_t *emu = snd_pcm_substream_chip(substream); |
| emu10k1_pcm_t *epcm; |
| snd_pcm_runtime_t *runtime = substream->runtime; |
| unsigned long flags; |
| int idx; |
| |
| epcm = snd_magic_kcalloc(emu10k1_pcm_t, 0, 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; |
| runtime->hw.rates = SNDRV_PCM_RATE_48000; |
| runtime->hw.rate_min = runtime->hw.rate_max = 48000; |
| spin_lock_irqsave(&emu->reg_lock, flags); |
| runtime->hw.channels_min = runtime->hw.channels_max = 0; |
| for (idx = 0; idx < 32; idx++) { |
| if (emu->efx_voices_mask & (1 << idx)) { |
| runtime->hw.channels_min++; |
| runtime->hw.channels_max++; |
| } |
| } |
| epcm->capture_cr_val = emu->efx_voices_mask; |
| spin_unlock_irqrestore(&emu->reg_lock, flags); |
| 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_SIZE, &hw_constraints_capture_period_sizes); |
| return 0; |
| } |
| |
| static int snd_emu10k1_capture_efx_close(snd_pcm_substream_t * substream) |
| { |
| emu10k1_t *emu = snd_pcm_substream_chip(substream); |
| |
| emu->capture_interrupt = NULL; |
| emu->pcm_capture_efx_substream = NULL; |
| return 0; |
| } |
| |
| static snd_pcm_ops_t 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, |
| }; |
| |
| static snd_pcm_ops_t 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, |
| }; |
| |
| static void snd_emu10k1_pcm_free(snd_pcm_t *pcm) |
| { |
| emu10k1_t *emu = snd_magic_cast(emu10k1_t, pcm->private_data, return); |
| emu->pcm = NULL; |
| snd_pcm_lib_preallocate_free_for_all(pcm); |
| } |
| |
| int __devinit snd_emu10k1_pcm(emu10k1_t * emu, int device, snd_pcm_t ** rpcm) |
| { |
| snd_pcm_t *pcm; |
| int err; |
| |
| if (rpcm) |
| *rpcm = NULL; |
| |
| if ((err = snd_pcm_new(emu->card, "emu10k1", device, 32, 1, &pcm)) < 0) |
| return err; |
| |
| pcm->private_data = emu; |
| pcm->private_free = snd_emu10k1_pcm_free; |
| |
| 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, "EMU10K1"); |
| emu->pcm = pcm; |
| |
| snd_pcm_lib_preallocate_pci_pages_for_all(emu->pci, pcm, 64*1024, 128*1024); |
| |
| if (rpcm) |
| *rpcm = pcm; |
| |
| return 0; |
| } |
| |
| static snd_pcm_ops_t 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, |
| }; |
| |
| static void snd_emu10k1_pcm_mic_free(snd_pcm_t *pcm) |
| { |
| emu10k1_t *emu = snd_magic_cast(emu10k1_t, pcm->private_data, return); |
| emu->pcm_mic = NULL; |
| snd_pcm_lib_preallocate_free_for_all(pcm); |
| } |
| |
| int __devinit snd_emu10k1_pcm_mic(emu10k1_t * emu, int device, snd_pcm_t ** rpcm) |
| { |
| snd_pcm_t *pcm; |
| int err; |
| |
| if (rpcm) |
| *rpcm = NULL; |
| |
| if ((err = snd_pcm_new(emu->card, "emu10k1 mic", device, 0, 1, &pcm)) < 0) |
| return err; |
| |
| pcm->private_data = emu; |
| pcm->private_free = snd_emu10k1_pcm_mic_free; |
| |
| snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_mic_ops); |
| |
| pcm->info_flags = 0; |
| strcpy(pcm->name, "EMU10K1 MIC"); |
| emu->pcm_mic = pcm; |
| |
| snd_pcm_lib_preallocate_pci_pages_for_all(emu->pci, pcm, 64*1024, 64*1024); |
| |
| if (rpcm) |
| *rpcm = pcm; |
| return 0; |
| } |
| |
| static int snd_emu10k1_pcm_efx_voices_mask_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo) |
| { |
| uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; |
| uinfo->count = 32; |
| uinfo->value.integer.min = 0; |
| uinfo->value.integer.max = 1; |
| return 0; |
| } |
| |
| static int snd_emu10k1_pcm_efx_voices_mask_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) |
| { |
| emu10k1_t *emu = snd_kcontrol_chip(kcontrol); |
| unsigned long flags; |
| int idx; |
| |
| spin_lock_irqsave(&emu->reg_lock, flags); |
| for (idx = 0; idx < 32; idx++) |
| ucontrol->value.integer.value[idx] = (emu->efx_voices_mask & (1 << idx)) ? 1 : 0; |
| spin_unlock_irqrestore(&emu->reg_lock, flags); |
| return 0; |
| } |
| |
| static int snd_emu10k1_pcm_efx_voices_mask_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) |
| { |
| emu10k1_t *emu = snd_kcontrol_chip(kcontrol); |
| unsigned long flags; |
| unsigned int nval, bits; |
| int change, idx; |
| |
| for (idx = 0, nval = bits = 0; idx < 32; idx++) |
| if (ucontrol->value.integer.value[idx]) { |
| nval |= 1 << idx; |
| bits++; |
| } |
| if (bits != 1 && bits != 2 && bits != 4 && bits != 8) |
| return -EINVAL; |
| spin_lock_irqsave(&emu->reg_lock, flags); |
| change = nval != emu->efx_voices_mask; |
| emu->efx_voices_mask = nval; |
| spin_unlock_irqrestore(&emu->reg_lock, flags); |
| return change; |
| } |
| |
| static snd_kcontrol_new_t snd_emu10k1_pcm_efx_voices_mask = { |
| iface: SNDRV_CTL_ELEM_IFACE_PCM, |
| name: "EFX voices mask", |
| 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 snd_pcm_ops_t 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, |
| }; |
| |
| static void snd_emu10k1_pcm_efx_free(snd_pcm_t *pcm) |
| { |
| emu10k1_t *emu = snd_magic_cast(emu10k1_t, pcm->private_data, return); |
| emu->pcm_efx = NULL; |
| snd_pcm_lib_preallocate_free_for_all(pcm); |
| } |
| |
| int __devinit snd_emu10k1_pcm_efx(emu10k1_t * emu, int device, snd_pcm_t ** rpcm) |
| { |
| snd_pcm_t *pcm; |
| int err; |
| |
| if (rpcm) |
| *rpcm = NULL; |
| |
| if ((err = snd_pcm_new(emu->card, "emu10k1 efx", device, 0, 1, &pcm)) < 0) |
| return err; |
| |
| pcm->private_data = emu; |
| pcm->private_free = snd_emu10k1_pcm_efx_free; |
| |
| snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_efx_ops); |
| |
| pcm->info_flags = 0; |
| strcpy(pcm->name, "EMU10K1 EFX"); |
| emu->pcm_efx = pcm; |
| if (rpcm) |
| *rpcm = pcm; |
| |
| emu->efx_voices_mask = FXWC_DEFAULTROUTE_C | FXWC_DEFAULTROUTE_A; |
| snd_ctl_add(emu->card, snd_ctl_new1(&snd_emu10k1_pcm_efx_voices_mask, emu)); |
| |
| snd_pcm_lib_preallocate_pci_pages_for_all(emu->pci, pcm, 64*1024, 64*1024); |
| |
| return 0; |
| } |
