/*
* 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
*
*/
#include <sound/driver.h>
#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>
#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.addr << 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, substream);
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);
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:
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;
if (ptr >= runtime->buffer_size)
ptr -= runtime->buffer_size;
}
#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;
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 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(emu10k1_t *emu, snd_kcontrol_t *kctl, int idx, int activate)
{
snd_ctl_elem_id_t id;
snd_runtime_check(kctl != NULL, 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(emu10k1_t *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_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, substream->number, 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, substream->number, 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 = 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_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 nefx = emu->audigy ? 64 : 32;
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 < 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_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,
.page = snd_pcm_sgbuf_ops_page,
};
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;
snd_pcm_substream_t *substream;
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;
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);
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_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 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)
{
emu10k1_t *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(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
{
emu10k1_t *emu = snd_kcontrol_chip(kcontrol);
unsigned long flags;
int nefx = emu->audigy ? 64 : 32;
int idx;
spin_lock_irqsave(&emu->reg_lock, flags);
for (idx = 0; idx < nefx; idx++)
ucontrol->value.integer.value[idx] = (emu->efx_voices_mask[idx / 32] & (1 << (idx % 32))) ? 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[2], bits;
int nefx = emu->audigy ? 64 : 32;
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++;
}
if (bits != 1 && bits != 2 && bits != 4 && bits != 8)
return -EINVAL;
spin_lock_irqsave(&emu->reg_lock, flags);
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_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[0] = FXWC_DEFAULTROUTE_C | FXWC_DEFAULTROUTE_A;
emu->efx_voices_mask[1] = 0;
snd_ctl_add(emu->card, snd_ctl_new1(&snd_emu10k1_pcm_efx_voices_mask, emu));
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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