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ymfpci_main.c
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ymfpci_main.c
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/*
* Copyright (c) by Jaroslav Kysela <[email protected]>
* Routines for control of YMF724/740/744/754 chips
*
* 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/delay.h>
#include <linux/firmware.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/pci.h>
#include <linux/sched.h>
#include <linux/slab.h>
#include <linux/vmalloc.h>
#include <linux/mutex.h>
#include <sound/core.h>
#include <sound/control.h>
#include <sound/info.h>
#include <sound/tlv.h>
#include <sound/ymfpci.h>
#include <sound/asoundef.h>
#include <sound/mpu401.h>
#include <asm/io.h>
#include <asm/byteorder.h>
/*
* common I/O routines
*/
static void snd_ymfpci_irq_wait(struct snd_ymfpci *chip);
static inline u8 snd_ymfpci_readb(struct snd_ymfpci *chip, u32 offset)
{
return readb(chip->reg_area_virt + offset);
}
static inline void snd_ymfpci_writeb(struct snd_ymfpci *chip, u32 offset, u8 val)
{
writeb(val, chip->reg_area_virt + offset);
}
static inline u16 snd_ymfpci_readw(struct snd_ymfpci *chip, u32 offset)
{
return readw(chip->reg_area_virt + offset);
}
static inline void snd_ymfpci_writew(struct snd_ymfpci *chip, u32 offset, u16 val)
{
writew(val, chip->reg_area_virt + offset);
}
static inline u32 snd_ymfpci_readl(struct snd_ymfpci *chip, u32 offset)
{
return readl(chip->reg_area_virt + offset);
}
static inline void snd_ymfpci_writel(struct snd_ymfpci *chip, u32 offset, u32 val)
{
writel(val, chip->reg_area_virt + offset);
}
static int snd_ymfpci_codec_ready(struct snd_ymfpci *chip, int secondary)
{
unsigned long end_time;
u32 reg = secondary ? YDSXGR_SECSTATUSADR : YDSXGR_PRISTATUSADR;
end_time = jiffies + msecs_to_jiffies(750);
do {
if ((snd_ymfpci_readw(chip, reg) & 0x8000) == 0)
return 0;
schedule_timeout_uninterruptible(1);
} while (time_before(jiffies, end_time));
snd_printk(KERN_ERR "codec_ready: codec %i is not ready [0x%x]\n", secondary, snd_ymfpci_readw(chip, reg));
return -EBUSY;
}
static void snd_ymfpci_codec_write(struct snd_ac97 *ac97, u16 reg, u16 val)
{
struct snd_ymfpci *chip = ac97->private_data;
u32 cmd;
snd_ymfpci_codec_ready(chip, 0);
cmd = ((YDSXG_AC97WRITECMD | reg) << 16) | val;
snd_ymfpci_writel(chip, YDSXGR_AC97CMDDATA, cmd);
}
static u16 snd_ymfpci_codec_read(struct snd_ac97 *ac97, u16 reg)
{
struct snd_ymfpci *chip = ac97->private_data;
if (snd_ymfpci_codec_ready(chip, 0))
return ~0;
snd_ymfpci_writew(chip, YDSXGR_AC97CMDADR, YDSXG_AC97READCMD | reg);
if (snd_ymfpci_codec_ready(chip, 0))
return ~0;
if (chip->device_id == PCI_DEVICE_ID_YAMAHA_744 && chip->rev < 2) {
int i;
for (i = 0; i < 600; i++)
snd_ymfpci_readw(chip, YDSXGR_PRISTATUSDATA);
}
return snd_ymfpci_readw(chip, YDSXGR_PRISTATUSDATA);
}
/*
* Misc routines
*/
static u32 snd_ymfpci_calc_delta(u32 rate)
{
switch (rate) {
case 8000: return 0x02aaab00;
case 11025: return 0x03accd00;
case 16000: return 0x05555500;
case 22050: return 0x07599a00;
case 32000: return 0x0aaaab00;
case 44100: return 0x0eb33300;
default: return ((rate << 16) / 375) << 5;
}
}
static u32 def_rate[8] = {
100, 2000, 8000, 11025, 16000, 22050, 32000, 48000
};
static u32 snd_ymfpci_calc_lpfK(u32 rate)
{
u32 i;
static u32 val[8] = {
0x00570000, 0x06AA0000, 0x18B20000, 0x20930000,
0x2B9A0000, 0x35A10000, 0x3EAA0000, 0x40000000
};
if (rate == 44100)
return 0x40000000; /* FIXME: What's the right value? */
for (i = 0; i < 8; i++)
if (rate <= def_rate[i])
return val[i];
return val[0];
}
static u32 snd_ymfpci_calc_lpfQ(u32 rate)
{
u32 i;
static u32 val[8] = {
0x35280000, 0x34A70000, 0x32020000, 0x31770000,
0x31390000, 0x31C90000, 0x33D00000, 0x40000000
};
if (rate == 44100)
return 0x370A0000;
for (i = 0; i < 8; i++)
if (rate <= def_rate[i])
return val[i];
return val[0];
}
/*
* Hardware start management
*/
static void snd_ymfpci_hw_start(struct snd_ymfpci *chip)
{
unsigned long flags;
spin_lock_irqsave(&chip->reg_lock, flags);
if (chip->start_count++ > 0)
goto __end;
snd_ymfpci_writel(chip, YDSXGR_MODE,
snd_ymfpci_readl(chip, YDSXGR_MODE) | 3);
chip->active_bank = snd_ymfpci_readl(chip, YDSXGR_CTRLSELECT) & 1;
__end:
spin_unlock_irqrestore(&chip->reg_lock, flags);
}
static void snd_ymfpci_hw_stop(struct snd_ymfpci *chip)
{
unsigned long flags;
long timeout = 1000;
spin_lock_irqsave(&chip->reg_lock, flags);
if (--chip->start_count > 0)
goto __end;
snd_ymfpci_writel(chip, YDSXGR_MODE,
snd_ymfpci_readl(chip, YDSXGR_MODE) & ~3);
while (timeout-- > 0) {
if ((snd_ymfpci_readl(chip, YDSXGR_STATUS) & 2) == 0)
break;
}
if (atomic_read(&chip->interrupt_sleep_count)) {
atomic_set(&chip->interrupt_sleep_count, 0);
wake_up(&chip->interrupt_sleep);
}
__end:
spin_unlock_irqrestore(&chip->reg_lock, flags);
}
/*
* Playback voice management
*/
static int voice_alloc(struct snd_ymfpci *chip,
enum snd_ymfpci_voice_type type, int pair,
struct snd_ymfpci_voice **rvoice)
{
struct snd_ymfpci_voice *voice, *voice2;
int idx;
*rvoice = NULL;
for (idx = 0; idx < YDSXG_PLAYBACK_VOICES; idx += pair ? 2 : 1) {
voice = &chip->voices[idx];
voice2 = pair ? &chip->voices[idx+1] : NULL;
if (voice->use || (voice2 && voice2->use))
continue;
voice->use = 1;
if (voice2)
voice2->use = 1;
switch (type) {
case YMFPCI_PCM:
voice->pcm = 1;
if (voice2)
voice2->pcm = 1;
break;
case YMFPCI_SYNTH:
voice->synth = 1;
break;
case YMFPCI_MIDI:
voice->midi = 1;
break;
}
snd_ymfpci_hw_start(chip);
if (voice2)
snd_ymfpci_hw_start(chip);
*rvoice = voice;
return 0;
}
return -ENOMEM;
}
static int snd_ymfpci_voice_alloc(struct snd_ymfpci *chip,
enum snd_ymfpci_voice_type type, int pair,
struct snd_ymfpci_voice **rvoice)
{
unsigned long flags;
int result;
if (snd_BUG_ON(!rvoice))
return -EINVAL;
if (snd_BUG_ON(pair && type != YMFPCI_PCM))
return -EINVAL;
spin_lock_irqsave(&chip->voice_lock, flags);
for (;;) {
result = voice_alloc(chip, type, pair, rvoice);
if (result == 0 || type != YMFPCI_PCM)
break;
/* TODO: synth/midi voice deallocation */
break;
}
spin_unlock_irqrestore(&chip->voice_lock, flags);
return result;
}
static int snd_ymfpci_voice_free(struct snd_ymfpci *chip, struct snd_ymfpci_voice *pvoice)
{
unsigned long flags;
if (snd_BUG_ON(!pvoice))
return -EINVAL;
snd_ymfpci_hw_stop(chip);
spin_lock_irqsave(&chip->voice_lock, flags);
if (pvoice->number == chip->src441_used) {
chip->src441_used = -1;
pvoice->ypcm->use_441_slot = 0;
}
pvoice->use = pvoice->pcm = pvoice->synth = pvoice->midi = 0;
pvoice->ypcm = NULL;
pvoice->interrupt = NULL;
spin_unlock_irqrestore(&chip->voice_lock, flags);
return 0;
}
/*
* PCM part
*/
static void snd_ymfpci_pcm_interrupt(struct snd_ymfpci *chip, struct snd_ymfpci_voice *voice)
{
struct snd_ymfpci_pcm *ypcm;
u32 pos, delta;
if ((ypcm = voice->ypcm) == NULL)
return;
if (ypcm->substream == NULL)
return;
spin_lock(&chip->reg_lock);
if (ypcm->running) {
pos = le32_to_cpu(voice->bank[chip->active_bank].start);
if (pos < ypcm->last_pos)
delta = pos + (ypcm->buffer_size - ypcm->last_pos);
else
delta = pos - ypcm->last_pos;
ypcm->period_pos += delta;
ypcm->last_pos = pos;
if (ypcm->period_pos >= ypcm->period_size) {
/*
printk(KERN_DEBUG
"done - active_bank = 0x%x, start = 0x%x\n",
chip->active_bank,
voice->bank[chip->active_bank].start);
*/
ypcm->period_pos %= ypcm->period_size;
spin_unlock(&chip->reg_lock);
snd_pcm_period_elapsed(ypcm->substream);
spin_lock(&chip->reg_lock);
}
if (unlikely(ypcm->update_pcm_vol)) {
unsigned int subs = ypcm->substream->number;
unsigned int next_bank = 1 - chip->active_bank;
struct snd_ymfpci_playback_bank *bank;
u32 volume;
bank = &voice->bank[next_bank];
volume = cpu_to_le32(chip->pcm_mixer[subs].left << 15);
bank->left_gain_end = volume;
if (ypcm->output_rear)
bank->eff2_gain_end = volume;
if (ypcm->voices[1])
bank = &ypcm->voices[1]->bank[next_bank];
volume = cpu_to_le32(chip->pcm_mixer[subs].right << 15);
bank->right_gain_end = volume;
if (ypcm->output_rear)
bank->eff3_gain_end = volume;
ypcm->update_pcm_vol--;
}
}
spin_unlock(&chip->reg_lock);
}
static void snd_ymfpci_pcm_capture_interrupt(struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
struct snd_ymfpci_pcm *ypcm = runtime->private_data;
struct snd_ymfpci *chip = ypcm->chip;
u32 pos, delta;
spin_lock(&chip->reg_lock);
if (ypcm->running) {
pos = le32_to_cpu(chip->bank_capture[ypcm->capture_bank_number][chip->active_bank]->start) >> ypcm->shift;
if (pos < ypcm->last_pos)
delta = pos + (ypcm->buffer_size - ypcm->last_pos);
else
delta = pos - ypcm->last_pos;
ypcm->period_pos += delta;
ypcm->last_pos = pos;
if (ypcm->period_pos >= ypcm->period_size) {
ypcm->period_pos %= ypcm->period_size;
/*
printk(KERN_DEBUG
"done - active_bank = 0x%x, start = 0x%x\n",
chip->active_bank,
voice->bank[chip->active_bank].start);
*/
spin_unlock(&chip->reg_lock);
snd_pcm_period_elapsed(substream);
spin_lock(&chip->reg_lock);
}
}
spin_unlock(&chip->reg_lock);
}
static int snd_ymfpci_playback_trigger(struct snd_pcm_substream *substream,
int cmd)
{
struct snd_ymfpci *chip = snd_pcm_substream_chip(substream);
struct snd_ymfpci_pcm *ypcm = substream->runtime->private_data;
struct snd_kcontrol *kctl = NULL;
int result = 0;
spin_lock(&chip->reg_lock);
if (ypcm->voices[0] == NULL) {
result = -EINVAL;
goto __unlock;
}
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
case SNDRV_PCM_TRIGGER_RESUME:
chip->ctrl_playback[ypcm->voices[0]->number + 1] = cpu_to_le32(ypcm->voices[0]->bank_addr);
if (ypcm->voices[1] != NULL && !ypcm->use_441_slot)
chip->ctrl_playback[ypcm->voices[1]->number + 1] = cpu_to_le32(ypcm->voices[1]->bank_addr);
ypcm->running = 1;
break;
case SNDRV_PCM_TRIGGER_STOP:
if (substream->pcm == chip->pcm && !ypcm->use_441_slot) {
kctl = chip->pcm_mixer[substream->number].ctl;
kctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE;
}
/* fall through */
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
case SNDRV_PCM_TRIGGER_SUSPEND:
chip->ctrl_playback[ypcm->voices[0]->number + 1] = 0;
if (ypcm->voices[1] != NULL && !ypcm->use_441_slot)
chip->ctrl_playback[ypcm->voices[1]->number + 1] = 0;
ypcm->running = 0;
break;
default:
result = -EINVAL;
break;
}
__unlock:
spin_unlock(&chip->reg_lock);
if (kctl)
snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_INFO, &kctl->id);
return result;
}
static int snd_ymfpci_capture_trigger(struct snd_pcm_substream *substream,
int cmd)
{
struct snd_ymfpci *chip = snd_pcm_substream_chip(substream);
struct snd_ymfpci_pcm *ypcm = substream->runtime->private_data;
int result = 0;
u32 tmp;
spin_lock(&chip->reg_lock);
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
case SNDRV_PCM_TRIGGER_RESUME:
tmp = snd_ymfpci_readl(chip, YDSXGR_MAPOFREC) | (1 << ypcm->capture_bank_number);
snd_ymfpci_writel(chip, YDSXGR_MAPOFREC, tmp);
ypcm->running = 1;
break;
case SNDRV_PCM_TRIGGER_STOP:
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
case SNDRV_PCM_TRIGGER_SUSPEND:
tmp = snd_ymfpci_readl(chip, YDSXGR_MAPOFREC) & ~(1 << ypcm->capture_bank_number);
snd_ymfpci_writel(chip, YDSXGR_MAPOFREC, tmp);
ypcm->running = 0;
break;
default:
result = -EINVAL;
break;
}
spin_unlock(&chip->reg_lock);
return result;
}
static int snd_ymfpci_pcm_voice_alloc(struct snd_ymfpci_pcm *ypcm, int voices)
{
int err;
if (ypcm->voices[1] != NULL && voices < 2) {
snd_ymfpci_voice_free(ypcm->chip, ypcm->voices[1]);
ypcm->voices[1] = NULL;
}
if (voices == 1 && ypcm->voices[0] != NULL)
return 0; /* already allocated */
if (voices == 2 && ypcm->voices[0] != NULL && ypcm->voices[1] != NULL)
return 0; /* already allocated */
if (voices > 1) {
if (ypcm->voices[0] != NULL && ypcm->voices[1] == NULL) {
snd_ymfpci_voice_free(ypcm->chip, ypcm->voices[0]);
ypcm->voices[0] = NULL;
}
}
err = snd_ymfpci_voice_alloc(ypcm->chip, YMFPCI_PCM, voices > 1, &ypcm->voices[0]);
if (err < 0)
return err;
ypcm->voices[0]->ypcm = ypcm;
ypcm->voices[0]->interrupt = snd_ymfpci_pcm_interrupt;
if (voices > 1) {
ypcm->voices[1] = &ypcm->chip->voices[ypcm->voices[0]->number + 1];
ypcm->voices[1]->ypcm = ypcm;
}
return 0;
}
static void snd_ymfpci_pcm_init_voice(struct snd_ymfpci_pcm *ypcm, unsigned int voiceidx,
struct snd_pcm_runtime *runtime,
int has_pcm_volume)
{
struct snd_ymfpci_voice *voice = ypcm->voices[voiceidx];
u32 format;
u32 delta = snd_ymfpci_calc_delta(runtime->rate);
u32 lpfQ = snd_ymfpci_calc_lpfQ(runtime->rate);
u32 lpfK = snd_ymfpci_calc_lpfK(runtime->rate);
struct snd_ymfpci_playback_bank *bank;
unsigned int nbank;
u32 vol_left, vol_right;
u8 use_left, use_right;
unsigned long flags;
if (snd_BUG_ON(!voice))
return;
if (runtime->channels == 1) {
use_left = 1;
use_right = 1;
} else {
use_left = (voiceidx & 1) == 0;
use_right = !use_left;
}
if (has_pcm_volume) {
vol_left = cpu_to_le32(ypcm->chip->pcm_mixer
[ypcm->substream->number].left << 15);
vol_right = cpu_to_le32(ypcm->chip->pcm_mixer
[ypcm->substream->number].right << 15);
} else {
vol_left = cpu_to_le32(0x40000000);
vol_right = cpu_to_le32(0x40000000);
}
spin_lock_irqsave(&ypcm->chip->voice_lock, flags);
format = runtime->channels == 2 ? 0x00010000 : 0;
if (snd_pcm_format_width(runtime->format) == 8)
format |= 0x80000000;
else if (ypcm->chip->device_id == PCI_DEVICE_ID_YAMAHA_754 &&
runtime->rate == 44100 && runtime->channels == 2 &&
voiceidx == 0 && (ypcm->chip->src441_used == -1 ||
ypcm->chip->src441_used == voice->number)) {
ypcm->chip->src441_used = voice->number;
ypcm->use_441_slot = 1;
format |= 0x10000000;
}
if (ypcm->chip->src441_used == voice->number &&
(format & 0x10000000) == 0) {
ypcm->chip->src441_used = -1;
ypcm->use_441_slot = 0;
}
if (runtime->channels == 2 && (voiceidx & 1) != 0)
format |= 1;
spin_unlock_irqrestore(&ypcm->chip->voice_lock, flags);
for (nbank = 0; nbank < 2; nbank++) {
bank = &voice->bank[nbank];
memset(bank, 0, sizeof(*bank));
bank->format = cpu_to_le32(format);
bank->base = cpu_to_le32(runtime->dma_addr);
bank->loop_end = cpu_to_le32(ypcm->buffer_size);
bank->lpfQ = cpu_to_le32(lpfQ);
bank->delta =
bank->delta_end = cpu_to_le32(delta);
bank->lpfK =
bank->lpfK_end = cpu_to_le32(lpfK);
bank->eg_gain =
bank->eg_gain_end = cpu_to_le32(0x40000000);
if (ypcm->output_front) {
if (use_left) {
bank->left_gain =
bank->left_gain_end = vol_left;
}
if (use_right) {
bank->right_gain =
bank->right_gain_end = vol_right;
}
}
if (ypcm->output_rear) {
if (!ypcm->swap_rear) {
if (use_left) {
bank->eff2_gain =
bank->eff2_gain_end = vol_left;
}
if (use_right) {
bank->eff3_gain =
bank->eff3_gain_end = vol_right;
}
} else {
/* The SPDIF out channels seem to be swapped, so we have
* to swap them here, too. The rear analog out channels
* will be wrong, but otherwise AC3 would not work.
*/
if (use_left) {
bank->eff3_gain =
bank->eff3_gain_end = vol_left;
}
if (use_right) {
bank->eff2_gain =
bank->eff2_gain_end = vol_right;
}
}
}
}
}
static int __devinit snd_ymfpci_ac3_init(struct snd_ymfpci *chip)
{
if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(chip->pci),
4096, &chip->ac3_tmp_base) < 0)
return -ENOMEM;
chip->bank_effect[3][0]->base =
chip->bank_effect[3][1]->base = cpu_to_le32(chip->ac3_tmp_base.addr);
chip->bank_effect[3][0]->loop_end =
chip->bank_effect[3][1]->loop_end = cpu_to_le32(1024);
chip->bank_effect[4][0]->base =
chip->bank_effect[4][1]->base = cpu_to_le32(chip->ac3_tmp_base.addr + 2048);
chip->bank_effect[4][0]->loop_end =
chip->bank_effect[4][1]->loop_end = cpu_to_le32(1024);
spin_lock_irq(&chip->reg_lock);
snd_ymfpci_writel(chip, YDSXGR_MAPOFEFFECT,
snd_ymfpci_readl(chip, YDSXGR_MAPOFEFFECT) | 3 << 3);
spin_unlock_irq(&chip->reg_lock);
return 0;
}
static int snd_ymfpci_ac3_done(struct snd_ymfpci *chip)
{
spin_lock_irq(&chip->reg_lock);
snd_ymfpci_writel(chip, YDSXGR_MAPOFEFFECT,
snd_ymfpci_readl(chip, YDSXGR_MAPOFEFFECT) & ~(3 << 3));
spin_unlock_irq(&chip->reg_lock);
// snd_ymfpci_irq_wait(chip);
if (chip->ac3_tmp_base.area) {
snd_dma_free_pages(&chip->ac3_tmp_base);
chip->ac3_tmp_base.area = NULL;
}
return 0;
}
static int snd_ymfpci_playback_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *hw_params)
{
struct snd_pcm_runtime *runtime = substream->runtime;
struct snd_ymfpci_pcm *ypcm = runtime->private_data;
int err;
if ((err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params))) < 0)
return err;
if ((err = snd_ymfpci_pcm_voice_alloc(ypcm, params_channels(hw_params))) < 0)
return err;
return 0;
}
static int snd_ymfpci_playback_hw_free(struct snd_pcm_substream *substream)
{
struct snd_ymfpci *chip = snd_pcm_substream_chip(substream);
struct snd_pcm_runtime *runtime = substream->runtime;
struct snd_ymfpci_pcm *ypcm;
if (runtime->private_data == NULL)
return 0;
ypcm = runtime->private_data;
/* wait, until the PCI operations are not finished */
snd_ymfpci_irq_wait(chip);
snd_pcm_lib_free_pages(substream);
if (ypcm->voices[1]) {
snd_ymfpci_voice_free(chip, ypcm->voices[1]);
ypcm->voices[1] = NULL;
}
if (ypcm->voices[0]) {
snd_ymfpci_voice_free(chip, ypcm->voices[0]);
ypcm->voices[0] = NULL;
}
return 0;
}
static int snd_ymfpci_playback_prepare(struct snd_pcm_substream *substream)
{
struct snd_ymfpci *chip = snd_pcm_substream_chip(substream);
struct snd_pcm_runtime *runtime = substream->runtime;
struct snd_ymfpci_pcm *ypcm = runtime->private_data;
struct snd_kcontrol *kctl;
unsigned int nvoice;
ypcm->period_size = runtime->period_size;
ypcm->buffer_size = runtime->buffer_size;
ypcm->period_pos = 0;
ypcm->last_pos = 0;
for (nvoice = 0; nvoice < runtime->channels; nvoice++)
snd_ymfpci_pcm_init_voice(ypcm, nvoice, runtime,
substream->pcm == chip->pcm);
if (substream->pcm == chip->pcm && !ypcm->use_441_slot) {
kctl = chip->pcm_mixer[substream->number].ctl;
kctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE;
snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_INFO, &kctl->id);
}
return 0;
}
static int snd_ymfpci_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_ymfpci_capture_hw_free(struct snd_pcm_substream *substream)
{
struct snd_ymfpci *chip = snd_pcm_substream_chip(substream);
/* wait, until the PCI operations are not finished */
snd_ymfpci_irq_wait(chip);
return snd_pcm_lib_free_pages(substream);
}
static int snd_ymfpci_capture_prepare(struct snd_pcm_substream *substream)
{
struct snd_ymfpci *chip = snd_pcm_substream_chip(substream);
struct snd_pcm_runtime *runtime = substream->runtime;
struct snd_ymfpci_pcm *ypcm = runtime->private_data;
struct snd_ymfpci_capture_bank * bank;
int nbank;
u32 rate, format;
ypcm->period_size = runtime->period_size;
ypcm->buffer_size = runtime->buffer_size;
ypcm->period_pos = 0;
ypcm->last_pos = 0;
ypcm->shift = 0;
rate = ((48000 * 4096) / runtime->rate) - 1;
format = 0;
if (runtime->channels == 2) {
format |= 2;
ypcm->shift++;
}
if (snd_pcm_format_width(runtime->format) == 8)
format |= 1;
else
ypcm->shift++;
switch (ypcm->capture_bank_number) {
case 0:
snd_ymfpci_writel(chip, YDSXGR_RECFORMAT, format);
snd_ymfpci_writel(chip, YDSXGR_RECSLOTSR, rate);
break;
case 1:
snd_ymfpci_writel(chip, YDSXGR_ADCFORMAT, format);
snd_ymfpci_writel(chip, YDSXGR_ADCSLOTSR, rate);
break;
}
for (nbank = 0; nbank < 2; nbank++) {
bank = chip->bank_capture[ypcm->capture_bank_number][nbank];
bank->base = cpu_to_le32(runtime->dma_addr);
bank->loop_end = cpu_to_le32(ypcm->buffer_size << ypcm->shift);
bank->start = 0;
bank->num_of_loops = 0;
}
return 0;
}
static snd_pcm_uframes_t snd_ymfpci_playback_pointer(struct snd_pcm_substream *substream)
{
struct snd_ymfpci *chip = snd_pcm_substream_chip(substream);
struct snd_pcm_runtime *runtime = substream->runtime;
struct snd_ymfpci_pcm *ypcm = runtime->private_data;
struct snd_ymfpci_voice *voice = ypcm->voices[0];
if (!(ypcm->running && voice))
return 0;
return le32_to_cpu(voice->bank[chip->active_bank].start);
}
static snd_pcm_uframes_t snd_ymfpci_capture_pointer(struct snd_pcm_substream *substream)
{
struct snd_ymfpci *chip = snd_pcm_substream_chip(substream);
struct snd_pcm_runtime *runtime = substream->runtime;
struct snd_ymfpci_pcm *ypcm = runtime->private_data;
if (!ypcm->running)
return 0;
return le32_to_cpu(chip->bank_capture[ypcm->capture_bank_number][chip->active_bank]->start) >> ypcm->shift;
}
static void snd_ymfpci_irq_wait(struct snd_ymfpci *chip)
{
wait_queue_t wait;
int loops = 4;
while (loops-- > 0) {
if ((snd_ymfpci_readl(chip, YDSXGR_MODE) & 3) == 0)
continue;
init_waitqueue_entry(&wait, current);
add_wait_queue(&chip->interrupt_sleep, &wait);
atomic_inc(&chip->interrupt_sleep_count);
schedule_timeout_uninterruptible(msecs_to_jiffies(50));
remove_wait_queue(&chip->interrupt_sleep, &wait);
}
}
static irqreturn_t snd_ymfpci_interrupt(int irq, void *dev_id)
{
struct snd_ymfpci *chip = dev_id;
u32 status, nvoice, mode;
struct snd_ymfpci_voice *voice;
status = snd_ymfpci_readl(chip, YDSXGR_STATUS);
if (status & 0x80000000) {
chip->active_bank = snd_ymfpci_readl(chip, YDSXGR_CTRLSELECT) & 1;
spin_lock(&chip->voice_lock);
for (nvoice = 0; nvoice < YDSXG_PLAYBACK_VOICES; nvoice++) {
voice = &chip->voices[nvoice];
if (voice->interrupt)
voice->interrupt(chip, voice);
}
for (nvoice = 0; nvoice < YDSXG_CAPTURE_VOICES; nvoice++) {
if (chip->capture_substream[nvoice])
snd_ymfpci_pcm_capture_interrupt(chip->capture_substream[nvoice]);
}
#if 0
for (nvoice = 0; nvoice < YDSXG_EFFECT_VOICES; nvoice++) {
if (chip->effect_substream[nvoice])
snd_ymfpci_pcm_effect_interrupt(chip->effect_substream[nvoice]);
}
#endif
spin_unlock(&chip->voice_lock);
spin_lock(&chip->reg_lock);
snd_ymfpci_writel(chip, YDSXGR_STATUS, 0x80000000);
mode = snd_ymfpci_readl(chip, YDSXGR_MODE) | 2;
snd_ymfpci_writel(chip, YDSXGR_MODE, mode);
spin_unlock(&chip->reg_lock);
if (atomic_read(&chip->interrupt_sleep_count)) {
atomic_set(&chip->interrupt_sleep_count, 0);
wake_up(&chip->interrupt_sleep);
}
}
status = snd_ymfpci_readw(chip, YDSXGR_INTFLAG);
if (status & 1) {
if (chip->timer)
snd_timer_interrupt(chip->timer, chip->timer_ticks);
}
snd_ymfpci_writew(chip, YDSXGR_INTFLAG, status);
if (chip->rawmidi)
snd_mpu401_uart_interrupt(irq, chip->rawmidi->private_data);
return IRQ_HANDLED;
}
static struct snd_pcm_hardware snd_ymfpci_playback =
{
.info = (SNDRV_PCM_INFO_MMAP |
SNDRV_PCM_INFO_MMAP_VALID |
SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_BLOCK_TRANSFER |
SNDRV_PCM_INFO_PAUSE |
SNDRV_PCM_INFO_RESUME),
.formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
.rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
.rate_min = 8000,
.rate_max = 48000,
.channels_min = 1,
.channels_max = 2,
.buffer_bytes_max = 256 * 1024, /* FIXME: enough? */
.period_bytes_min = 64,
.period_bytes_max = 256 * 1024, /* FIXME: enough? */
.periods_min = 3,
.periods_max = 1024,
.fifo_size = 0,
};
static struct snd_pcm_hardware snd_ymfpci_capture =
{
.info = (SNDRV_PCM_INFO_MMAP |
SNDRV_PCM_INFO_MMAP_VALID |
SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_BLOCK_TRANSFER |
SNDRV_PCM_INFO_PAUSE |
SNDRV_PCM_INFO_RESUME),
.formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
.rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
.rate_min = 8000,
.rate_max = 48000,
.channels_min = 1,
.channels_max = 2,
.buffer_bytes_max = 256 * 1024, /* FIXME: enough? */
.period_bytes_min = 64,
.period_bytes_max = 256 * 1024, /* FIXME: enough? */
.periods_min = 3,
.periods_max = 1024,
.fifo_size = 0,
};
static void snd_ymfpci_pcm_free_substream(struct snd_pcm_runtime *runtime)
{
kfree(runtime->private_data);
}
static int snd_ymfpci_playback_open_1(struct snd_pcm_substream *substream)
{
struct snd_ymfpci *chip = snd_pcm_substream_chip(substream);
struct snd_pcm_runtime *runtime = substream->runtime;
struct snd_ymfpci_pcm *ypcm;
ypcm = kzalloc(sizeof(*ypcm), GFP_KERNEL);
if (ypcm == NULL)
return -ENOMEM;
ypcm->chip = chip;
ypcm->type = PLAYBACK_VOICE;
ypcm->substream = substream;
runtime->hw = snd_ymfpci_playback;
runtime->private_data = ypcm;
runtime->private_free = snd_ymfpci_pcm_free_substream;
/* FIXME? True value is 256/48 = 5.33333 ms */
snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIOD_TIME, 5333, UINT_MAX);
return 0;
}
/* call with spinlock held */
static void ymfpci_open_extension(struct snd_ymfpci *chip)
{
if (! chip->rear_opened) {
if (! chip->spdif_opened) /* set AC3 */
snd_ymfpci_writel(chip, YDSXGR_MODE,
snd_ymfpci_readl(chip, YDSXGR_MODE) | (1 << 30));
/* enable second codec (4CHEN) */
snd_ymfpci_writew(chip, YDSXGR_SECCONFIG,
(snd_ymfpci_readw(chip, YDSXGR_SECCONFIG) & ~0x0330) | 0x0010);
}
}
/* call with spinlock held */
static void ymfpci_close_extension(struct snd_ymfpci *chip)
{
if (! chip->rear_opened) {
if (! chip->spdif_opened)
snd_ymfpci_writel(chip, YDSXGR_MODE,
snd_ymfpci_readl(chip, YDSXGR_MODE) & ~(1 << 30));
snd_ymfpci_writew(chip, YDSXGR_SECCONFIG,
(snd_ymfpci_readw(chip, YDSXGR_SECCONFIG) & ~0x0330) & ~0x0010);
}
}
static int snd_ymfpci_playback_open(struct snd_pcm_substream *substream)
{
struct snd_ymfpci *chip = snd_pcm_substream_chip(substream);
struct snd_pcm_runtime *runtime = substream->runtime;
struct snd_ymfpci_pcm *ypcm;
int err;
if ((err = snd_ymfpci_playback_open_1(substream)) < 0)
return err;
ypcm = runtime->private_data;
ypcm->output_front = 1;
ypcm->output_rear = chip->mode_dup4ch ? 1 : 0;
ypcm->swap_rear = 0;
spin_lock_irq(&chip->reg_lock);
if (ypcm->output_rear) {
ymfpci_open_extension(chip);
chip->rear_opened++;
}
spin_unlock_irq(&chip->reg_lock);
return 0;
}
static int snd_ymfpci_playback_spdif_open(struct snd_pcm_substream *substream)
{
struct snd_ymfpci *chip = snd_pcm_substream_chip(substream);
struct snd_pcm_runtime *runtime = substream->runtime;
struct snd_ymfpci_pcm *ypcm;
int err;
if ((err = snd_ymfpci_playback_open_1(substream)) < 0)
return err;
ypcm = runtime->private_data;
ypcm->output_front = 0;
ypcm->output_rear = 1;
ypcm->swap_rear = 1;
spin_lock_irq(&chip->reg_lock);
snd_ymfpci_writew(chip, YDSXGR_SPDIFOUTCTRL,
snd_ymfpci_readw(chip, YDSXGR_SPDIFOUTCTRL) | 2);
ymfpci_open_extension(chip);
chip->spdif_pcm_bits = chip->spdif_bits;
snd_ymfpci_writew(chip, YDSXGR_SPDIFOUTSTATUS, chip->spdif_pcm_bits);
chip->spdif_opened++;
spin_unlock_irq(&chip->reg_lock);
chip->spdif_pcm_ctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE;
snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE |
SNDRV_CTL_EVENT_MASK_INFO, &chip->spdif_pcm_ctl->id);
return 0;
}
static int snd_ymfpci_playback_4ch_open(struct snd_pcm_substream *substream)
{
struct snd_ymfpci *chip = snd_pcm_substream_chip(substream);
struct snd_pcm_runtime *runtime = substream->runtime;
struct snd_ymfpci_pcm *ypcm;
int err;
if ((err = snd_ymfpci_playback_open_1(substream)) < 0)
return err;
ypcm = runtime->private_data;
ypcm->output_front = 0;