// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (c) by Jaroslav Kysela <perex@perex.cz>
* Routines for control of ESS ES1688/688/488 chip
*/
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/delay.h>
#include <linux/slab.h>
#include <linux/ioport.h>
#include <linux/module.h>
#include <linux/io.h>
#include <sound/core.h>
#include <sound/es1688.h>
#include <sound/initval.h>
#include <asm /dma.h>
MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>" );
MODULE_DESCRIPTION("ESS ESx688 lowlevel module" );
MODULE_LICENSE("GPL" );
static int snd_es1688_dsp_command(struct snd_es1688 *chip, unsigned char val)
{
int i;
for (i = 10000 ; i; i--)
if ((inb(ES1688P(chip, STATUS)) & 0 x80) == 0 ) {
outb(val, ES1688P(chip, COMMAND));
return 1 ;
}
dev_dbg(chip->card->dev, "%s: timeout (0x%x)\n" , __func__, val);
return 0 ;
}
static int snd_es1688_dsp_get_byte(struct snd_es1688 *chip)
{
int i;
for (i = 1000 ; i; i--)
if (inb(ES1688P(chip, DATA_AVAIL)) & 0 x80)
return inb(ES1688P(chip, READ));
dev_dbg(chip->card->dev, "es1688 get byte failed: 0x%lx = 0x%x!!!\n" ,
ES1688P(chip, DATA_AVAIL), inb(ES1688P(chip, DATA_AVAIL)));
return -ENODEV;
}
static int snd_es1688_write(struct snd_es1688 *chip,
unsigned char reg, unsigned char data)
{
if (!snd_es1688_dsp_command(chip, reg))
return 0 ;
return snd_es1688_dsp_command(chip, data);
}
static int snd_es1688_read(struct snd_es1688 *chip, unsigned char reg)
{
/* Read a byte from an extended mode register of ES1688 */
if (!snd_es1688_dsp_command(chip, 0 xc0))
return -1 ;
if (!snd_es1688_dsp_command(chip, reg))
return -1 ;
return snd_es1688_dsp_get_byte(chip);
}
void snd_es1688_mixer_write(struct snd_es1688 *chip,
unsigned char reg, unsigned char data)
{
outb(reg, ES1688P(chip, MIXER_ADDR));
udelay(10 );
outb(data, ES1688P(chip, MIXER_DATA));
udelay(10 );
}
static unsigned char snd_es1688_mixer_read(struct snd_es1688 *chip, unsigned char reg)
{
unsigned char result;
outb(reg, ES1688P(chip, MIXER_ADDR));
udelay(10 );
result = inb(ES1688P(chip, MIXER_DATA));
udelay(10 );
return result;
}
int snd_es1688_reset(struct snd_es1688 *chip)
{
int i;
outb(3 , ES1688P(chip, RESET)); /* valid only for ESS chips, SB -> 1 */
udelay(10 );
outb(0 , ES1688P(chip, RESET));
udelay(30 );
for (i = 0 ; i < 1000 && !(inb(ES1688P(chip, DATA_AVAIL)) & 0 x80); i++);
if (inb(ES1688P(chip, READ)) != 0 xaa) {
dev_dbg(chip->card->dev, "ess_reset at 0x%lx: failed!!!\n" ,
chip->port);
return -ENODEV;
}
snd_es1688_dsp_command(chip, 0 xc6); /* enable extended mode */
return 0 ;
}
EXPORT_SYMBOL(snd_es1688_reset);
static int snd_es1688_probe(struct snd_es1688 *chip)
{
unsigned long flags;
unsigned short major, minor;
int i;
/*
* initialization sequence
*/
spin_lock_irqsave(&chip->reg_lock, flags); /* Some ESS1688 cards need this */
inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */
inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */
inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */
inb(ES1688P(chip, ENABLE2)); /* ENABLE2 */
inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */
inb(ES1688P(chip, ENABLE2)); /* ENABLE2 */
inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */
inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */
inb(ES1688P(chip, ENABLE2)); /* ENABLE2 */
inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */
inb(ES1688P(chip, ENABLE0)); /* ENABLE0 */
if (snd_es1688_reset(chip) < 0 ) {
dev_dbg(chip->card->dev, "ESS: [0x%lx] reset failed... 0x%x\n" ,
chip->port, inb(ES1688P(chip, READ)));
spin_unlock_irqrestore(&chip->reg_lock, flags);
return -ENODEV;
}
snd_es1688_dsp_command(chip, 0 xe7); /* return identification */
for (i = 1000 , major = minor = 0 ; i; i--) {
if (inb(ES1688P(chip, DATA_AVAIL)) & 0 x80) {
if (major == 0 ) {
major = inb(ES1688P(chip, READ));
} else {
minor = inb(ES1688P(chip, READ));
}
}
}
spin_unlock_irqrestore(&chip->reg_lock, flags);
dev_dbg(chip->card->dev,
"ESS: [0x%lx] found.. major = 0x%x, minor = 0x%x\n" ,
chip->port, major, minor);
chip->version = (major << 8 ) | minor;
if (!chip->version)
return -ENODEV; /* probably SB */
switch (chip->version & 0 xfff0) {
case 0 x4880:
dev_err(chip->card->dev,
"[0x%lx] ESS: AudioDrive ES488 detected, but driver is in another place\n" ,
chip->port);
return -ENODEV;
case 0 x6880:
break ;
default :
dev_err(chip->card->dev,
"[0x%lx] ESS: unknown AudioDrive chip with version 0x%x (Jazz16 soundcard?)\n" ,
chip->port, chip->version);
return -ENODEV;
}
spin_lock_irqsave(&chip->reg_lock, flags);
snd_es1688_write(chip, 0 xb1, 0 x10); /* disable IRQ */
snd_es1688_write(chip, 0 xb2, 0 x00); /* disable DMA */
spin_unlock_irqrestore(&chip->reg_lock, flags);
/* enable joystick, but disable OPL3 */
spin_lock_irqsave(&chip->mixer_lock, flags);
snd_es1688_mixer_write(chip, 0 x40, 0 x01);
spin_unlock_irqrestore(&chip->mixer_lock, flags);
return 0 ;
}
static int snd_es1688_init(struct snd_es1688 * chip, int enable)
{
static const int irqs[16 ] = {-1 , -1 , 0 , -1 , -1 , 1 , -1 , 2 , -1 , 0 , 3 , -1 , -1 , -1 , -1 , -1 };
unsigned long flags;
int cfg, irq_bits, dma, dma_bits, tmp, tmp1;
/* ok.. setup MPU-401 port and joystick and OPL3 */
cfg = 0 x01; /* enable joystick, but disable OPL3 */
if (enable && chip->mpu_port >= 0 x300 && chip->mpu_irq > 0 && chip->hardware != ES1688_HW_688) {
tmp = (chip->mpu_port & 0 x0f0) >> 4 ;
if (tmp <= 3 ) {
switch (chip->mpu_irq) {
case 9 :
tmp1 = 4 ;
break ;
case 5 :
tmp1 = 5 ;
break ;
case 7 :
tmp1 = 6 ;
break ;
case 10 :
tmp1 = 7 ;
break ;
default :
tmp1 = 0 ;
}
if (tmp1) {
cfg |= (tmp << 3 ) | (tmp1 << 5 );
}
}
}
spin_lock_irqsave(&chip->reg_lock, flags);
snd_es1688_mixer_write(chip, 0 x40, cfg);
spin_unlock_irqrestore(&chip->reg_lock, flags);
/* --- */
spin_lock_irqsave(&chip->reg_lock, flags);
snd_es1688_read(chip, 0 xb1);
snd_es1688_read(chip, 0 xb2);
spin_unlock_irqrestore(&chip->reg_lock, flags);
if (enable) {
cfg = 0 xf0; /* enable only DMA counter interrupt */
irq_bits = irqs[chip->irq & 0 x0f];
if (irq_bits < 0 ) {
dev_err(chip->card->dev,
"[0x%lx] ESS: bad IRQ %d for ES1688 chip!!\n" ,
chip->port, chip->irq);
#if 0
irq_bits = 0 ;
cfg = 0 x10;
#endif
return -EINVAL;
}
spin_lock_irqsave(&chip->reg_lock, flags);
snd_es1688_write(chip, 0 xb1, cfg | (irq_bits << 2 ));
spin_unlock_irqrestore(&chip->reg_lock, flags);
cfg = 0 xf0; /* extended mode DMA enable */
dma = chip->dma8;
if (dma > 3 || dma == 2 ) {
dev_err(chip->card->dev,
"[0x%lx] ESS: bad DMA channel %d for ES1688 chip!!\n" ,
chip->port, dma);
#if 0
dma_bits = 0 ;
cfg = 0 x00; /* disable all DMA */
#endif
return -EINVAL;
} else {
dma_bits = dma;
if (dma != 3 )
dma_bits++;
}
spin_lock_irqsave(&chip->reg_lock, flags);
snd_es1688_write(chip, 0 xb2, cfg | (dma_bits << 2 ));
spin_unlock_irqrestore(&chip->reg_lock, flags);
} else {
spin_lock_irqsave(&chip->reg_lock, flags);
snd_es1688_write(chip, 0 xb1, 0 x10); /* disable IRQ */
snd_es1688_write(chip, 0 xb2, 0 x00); /* disable DMA */
spin_unlock_irqrestore(&chip->reg_lock, flags);
}
spin_lock_irqsave(&chip->reg_lock, flags);
snd_es1688_read(chip, 0 xb1);
snd_es1688_read(chip, 0 xb2);
snd_es1688_reset(chip);
spin_unlock_irqrestore(&chip->reg_lock, flags);
return 0 ;
}
/*
*/
static const struct snd_ratnum clocks[2 ] = {
{
.num = 795444 ,
.den_min = 1 ,
.den_max = 128 ,
.den_step = 1 ,
},
{
.num = 397722 ,
.den_min = 1 ,
.den_max = 128 ,
.den_step = 1 ,
}
};
static const struct snd_pcm_hw_constraint_ratnums hw_constraints_clocks = {
.nrats = 2 ,
.rats = clocks,
};
static void snd_es1688_set_rate(struct snd_es1688 *chip, struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
unsigned int bits, divider;
if (runtime->rate_num == clocks[0 ].num)
bits = 256 - runtime->rate_den;
else
bits = 128 - runtime->rate_den;
/* set filter register */
divider = 256 - 7160000 *20 /(8 *82 *runtime->rate);
/* write result to hardware */
snd_es1688_write(chip, 0 xa1, bits);
snd_es1688_write(chip, 0 xa2, divider);
}
static int snd_es1688_trigger(struct snd_es1688 *chip, int cmd, unsigned char value)
{
int val;
if (cmd == SNDRV_PCM_TRIGGER_STOP) {
value = 0 x00;
} else if (cmd != SNDRV_PCM_TRIGGER_START) {
return -EINVAL;
}
spin_lock(&chip->reg_lock);
chip->trigger_value = value;
val = snd_es1688_read(chip, 0 xb8);
if ((val < 0 ) || (val & 0 x0f) == value) {
spin_unlock(&chip->reg_lock);
return -EINVAL; /* something is wrong */
}
#if 0
dev_dbg(chip->card->dev, "trigger: val = 0x%x, value = 0x%x\n" , val, value);
dev_dbg(chip->card->dev, "trigger: pointer = 0x%x\n" ,
snd_dma_pointer(chip->dma8, chip->dma_size));
#endif
snd_es1688_write(chip, 0 xb8, (val & 0 xf0) | value);
spin_unlock(&chip->reg_lock);
return 0 ;
}
static int snd_es1688_playback_prepare(struct snd_pcm_substream *substream)
{
unsigned long flags;
struct snd_es1688 *chip = snd_pcm_substream_chip(substream);
struct snd_pcm_runtime *runtime = substream->runtime;
unsigned int size = snd_pcm_lib_buffer_bytes(substream);
unsigned int count = snd_pcm_lib_period_bytes(substream);
chip->dma_size = size;
spin_lock_irqsave(&chip->reg_lock, flags);
snd_es1688_reset(chip);
snd_es1688_set_rate(chip, substream);
snd_es1688_write(chip, 0 xb8, 4 ); /* auto init DMA mode */
snd_es1688_write(chip, 0 xa8, (snd_es1688_read(chip, 0 xa8) & ~0 x03) | (3 - runtime->channels));
snd_es1688_write(chip, 0 xb9, 2 ); /* demand mode (4 bytes/request) */
if (runtime->channels == 1 ) {
if (snd_pcm_format_width(runtime->format) == 8 ) {
/* 8. bit mono */
snd_es1688_write(chip, 0 xb6, 0 x80);
snd_es1688_write(chip, 0 xb7, 0 x51);
snd_es1688_write(chip, 0 xb7, 0 xd0);
} else {
/* 16. bit mono */
snd_es1688_write(chip, 0 xb6, 0 x00);
snd_es1688_write(chip, 0 xb7, 0 x71);
snd_es1688_write(chip, 0 xb7, 0 xf4);
}
} else {
if (snd_pcm_format_width(runtime->format) == 8 ) {
/* 8. bit stereo */
snd_es1688_write(chip, 0 xb6, 0 x80);
snd_es1688_write(chip, 0 xb7, 0 x51);
snd_es1688_write(chip, 0 xb7, 0 x98);
} else {
/* 16. bit stereo */
snd_es1688_write(chip, 0 xb6, 0 x00);
snd_es1688_write(chip, 0 xb7, 0 x71);
snd_es1688_write(chip, 0 xb7, 0 xbc);
}
}
snd_es1688_write(chip, 0 xb1, (snd_es1688_read(chip, 0 xb1) & 0 x0f) | 0 x50);
snd_es1688_write(chip, 0 xb2, (snd_es1688_read(chip, 0 xb2) & 0 x0f) | 0 x50);
snd_es1688_dsp_command(chip, ES1688_DSP_CMD_SPKON);
spin_unlock_irqrestore(&chip->reg_lock, flags);
/* --- */
count = -count;
snd_dma_program(chip->dma8, runtime->dma_addr, size, DMA_MODE_WRITE | DMA_AUTOINIT);
spin_lock_irqsave(&chip->reg_lock, flags);
snd_es1688_write(chip, 0 xa4, (unsigned char ) count);
snd_es1688_write(chip, 0 xa5, (unsigned char ) (count >> 8 ));
spin_unlock_irqrestore(&chip->reg_lock, flags);
return 0 ;
}
static int snd_es1688_playback_trigger(struct snd_pcm_substream *substream,
int cmd)
{
struct snd_es1688 *chip = snd_pcm_substream_chip(substream);
return snd_es1688_trigger(chip, cmd, 0 x05);
}
static int snd_es1688_capture_prepare(struct snd_pcm_substream *substream)
{
unsigned long flags;
struct snd_es1688 *chip = snd_pcm_substream_chip(substream);
struct snd_pcm_runtime *runtime = substream->runtime;
unsigned int size = snd_pcm_lib_buffer_bytes(substream);
unsigned int count = snd_pcm_lib_period_bytes(substream);
chip->dma_size = size;
spin_lock_irqsave(&chip->reg_lock, flags);
snd_es1688_reset(chip);
snd_es1688_set_rate(chip, substream);
snd_es1688_dsp_command(chip, ES1688_DSP_CMD_SPKOFF);
snd_es1688_write(chip, 0 xb8, 0 x0e); /* auto init DMA mode */
snd_es1688_write(chip, 0 xa8, (snd_es1688_read(chip, 0 xa8) & ~0 x03) | (3 - runtime->channels));
snd_es1688_write(chip, 0 xb9, 2 ); /* demand mode (4 bytes/request) */
if (runtime->channels == 1 ) {
if (snd_pcm_format_width(runtime->format) == 8 ) {
/* 8. bit mono */
snd_es1688_write(chip, 0 xb7, 0 x51);
snd_es1688_write(chip, 0 xb7, 0 xd0);
} else {
/* 16. bit mono */
snd_es1688_write(chip, 0 xb7, 0 x71);
snd_es1688_write(chip, 0 xb7, 0 xf4);
}
} else {
if (snd_pcm_format_width(runtime->format) == 8 ) {
/* 8. bit stereo */
snd_es1688_write(chip, 0 xb7, 0 x51);
snd_es1688_write(chip, 0 xb7, 0 x98);
} else {
/* 16. bit stereo */
snd_es1688_write(chip, 0 xb7, 0 x71);
snd_es1688_write(chip, 0 xb7, 0 xbc);
}
}
snd_es1688_write(chip, 0 xb1, (snd_es1688_read(chip, 0 xb1) & 0 x0f) | 0 x50);
snd_es1688_write(chip, 0 xb2, (snd_es1688_read(chip, 0 xb2) & 0 x0f) | 0 x50);
spin_unlock_irqrestore(&chip->reg_lock, flags);
/* --- */
count = -count;
snd_dma_program(chip->dma8, runtime->dma_addr, size, DMA_MODE_READ | DMA_AUTOINIT);
spin_lock_irqsave(&chip->reg_lock, flags);
snd_es1688_write(chip, 0 xa4, (unsigned char ) count);
snd_es1688_write(chip, 0 xa5, (unsigned char ) (count >> 8 ));
spin_unlock_irqrestore(&chip->reg_lock, flags);
return 0 ;
}
static int snd_es1688_capture_trigger(struct snd_pcm_substream *substream,
int cmd)
{
struct snd_es1688 *chip = snd_pcm_substream_chip(substream);
return snd_es1688_trigger(chip, cmd, 0 x0f);
}
static irqreturn_t snd_es1688_interrupt(int irq, void *dev_id)
{
struct snd_es1688 *chip = dev_id;
if (chip->trigger_value == 0 x05) /* ok.. playback is active */
snd_pcm_period_elapsed(chip->playback_substream);
if (chip->trigger_value == 0 x0f) /* ok.. capture is active */
snd_pcm_period_elapsed(chip->capture_substream);
inb(ES1688P(chip, DATA_AVAIL)); /* ack interrupt */
return IRQ_HANDLED;
}
static snd_pcm_uframes_t snd_es1688_playback_pointer(struct snd_pcm_substream *substream)
{
struct snd_es1688 *chip = snd_pcm_substream_chip(substream);
size_t ptr;
if (chip->trigger_value != 0 x05)
return 0 ;
ptr = snd_dma_pointer(chip->dma8, chip->dma_size);
return bytes_to_frames(substream->runtime, ptr);
}
static snd_pcm_uframes_t snd_es1688_capture_pointer(struct snd_pcm_substream *substream)
{
struct snd_es1688 *chip = snd_pcm_substream_chip(substream);
size_t ptr;
if (chip->trigger_value != 0 x0f)
return 0 ;
ptr = snd_dma_pointer(chip->dma8, chip->dma_size);
return bytes_to_frames(substream->runtime, ptr);
}
/*
*/
static const struct snd_pcm_hardware snd_es1688_playback =
{
.info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_MMAP_VALID),
.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 = 65536 ,
.period_bytes_min = 64 ,
.period_bytes_max = 65536 ,
.periods_min = 1 ,
.periods_max = 1024 ,
.fifo_size = 0 ,
};
static const struct snd_pcm_hardware snd_es1688_capture =
{
.info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_MMAP_VALID),
.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 = 65536 ,
.period_bytes_min = 64 ,
.period_bytes_max = 65536 ,
.periods_min = 1 ,
.periods_max = 1024 ,
.fifo_size = 0 ,
};
/*
*/
static int snd_es1688_playback_open(struct snd_pcm_substream *substream)
{
struct snd_es1688 *chip = snd_pcm_substream_chip(substream);
struct snd_pcm_runtime *runtime = substream->runtime;
if (chip->capture_substream != NULL)
return -EAGAIN;
chip->playback_substream = substream;
runtime->hw = snd_es1688_playback;
snd_pcm_hw_constraint_ratnums(runtime, 0 , SNDRV_PCM_HW_PARAM_RATE,
&hw_constraints_clocks);
return 0 ;
}
static int snd_es1688_capture_open(struct snd_pcm_substream *substream)
{
struct snd_es1688 *chip = snd_pcm_substream_chip(substream);
struct snd_pcm_runtime *runtime = substream->runtime;
if (chip->playback_substream != NULL)
return -EAGAIN;
chip->capture_substream = substream;
runtime->hw = snd_es1688_capture;
snd_pcm_hw_constraint_ratnums(runtime, 0 , SNDRV_PCM_HW_PARAM_RATE,
&hw_constraints_clocks);
return 0 ;
}
static int snd_es1688_playback_close(struct snd_pcm_substream *substream)
{
struct snd_es1688 *chip = snd_pcm_substream_chip(substream);
chip->playback_substream = NULL;
return 0 ;
}
static int snd_es1688_capture_close(struct snd_pcm_substream *substream)
{
struct snd_es1688 *chip = snd_pcm_substream_chip(substream);
chip->capture_substream = NULL;
return 0 ;
}
static int snd_es1688_free(struct snd_es1688 *chip)
{
if (chip->hardware != ES1688_HW_UNDEF)
snd_es1688_init(chip, 0 );
release_and_free_resource(chip->res_port);
if (chip->irq >= 0 )
free_irq(chip->irq, (void *) chip);
if (chip->dma8 >= 0 ) {
disable_dma(chip->dma8);
free_dma(chip->dma8);
}
return 0 ;
}
static int snd_es1688_dev_free(struct snd_device *device)
{
struct snd_es1688 *chip = device->device_data;
return snd_es1688_free(chip);
}
static const char *snd_es1688_chip_id(struct snd_es1688 *chip)
{
static char tmp[16 ];
sprintf(tmp, "ES%s688 rev %i" , chip->hardware == ES1688_HW_688 ? "" : "1" , chip->version & 0 x0f);
return tmp;
}
int snd_es1688_create(struct snd_card *card,
struct snd_es1688 *chip,
unsigned long port,
unsigned long mpu_port,
int irq,
int mpu_irq,
int dma8,
unsigned short hardware)
{
static const struct snd_device_ops ops = {
.dev_free = snd_es1688_dev_free,
};
int err;
if (chip == NULL)
return -ENOMEM;
chip->card = card;
chip->irq = -1 ;
chip->dma8 = -1 ;
chip->hardware = ES1688_HW_UNDEF;
chip->res_port = request_region(port + 4 , 12 , "ES1688" );
if (chip->res_port == NULL) {
dev_err(card->dev, "es1688: can't grab port 0x%lx\n" , port + 4 );
err = -EBUSY;
goto exit ;
}
err = request_irq(irq, snd_es1688_interrupt, 0 , "ES1688" , (void *) chip);
if (err < 0 ) {
dev_err(card->dev, "es1688: can't grab IRQ %d\n" , irq);
goto exit ;
}
chip->irq = irq;
card->sync_irq = chip->irq;
err = request_dma(dma8, "ES1688" );
if (err < 0 ) {
dev_err(card->dev, "es1688: can't grab DMA8 %d\n" , dma8);
goto exit ;
}
chip->dma8 = dma8;
spin_lock_init(&chip->reg_lock);
spin_lock_init(&chip->mixer_lock);
chip->port = port;
mpu_port &= ~0 x000f;
if (mpu_port < 0 x300 || mpu_port > 0 x330)
mpu_port = 0 ;
chip->mpu_port = mpu_port;
chip->mpu_irq = mpu_irq;
chip->hardware = hardware;
err = snd_es1688_probe(chip);
if (err < 0 )
goto exit ;
err = snd_es1688_init(chip, 1 );
if (err < 0 )
goto exit ;
/* Register device */
err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops);
exit :
if (err)
snd_es1688_free(chip);
return err;
}
static const struct snd_pcm_ops snd_es1688_playback_ops = {
.open = snd_es1688_playback_open,
.close = snd_es1688_playback_close,
.prepare = snd_es1688_playback_prepare,
.trigger = snd_es1688_playback_trigger,
.pointer = snd_es1688_playback_pointer,
};
static const struct snd_pcm_ops snd_es1688_capture_ops = {
.open = snd_es1688_capture_open,
.close = snd_es1688_capture_close,
.prepare = snd_es1688_capture_prepare,
.trigger = snd_es1688_capture_trigger,
.pointer = snd_es1688_capture_pointer,
};
int snd_es1688_pcm(struct snd_card *card, struct snd_es1688 *chip, int device)
{
struct snd_pcm *pcm;
int err;
err = snd_pcm_new(card, "ESx688" , device, 1 , 1 , &pcm);
if (err < 0 )
return err;
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_es1688_playback_ops);
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_es1688_capture_ops);
pcm->private_data = chip;
pcm->info_flags = SNDRV_PCM_INFO_HALF_DUPLEX;
strscpy(pcm->name, snd_es1688_chip_id(chip));
chip->pcm = pcm;
snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV, card->dev,
64 *1024 , 64 *1024 );
return 0 ;
}
/*
* MIXER part
*/
static int snd_es1688_info_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
{
static const char * const texts[8 ] = {
"Mic" , "Mic Master" , "CD" , "AOUT" ,
"Mic1" , "Mix" , "Line" , "Master"
};
return snd_ctl_enum_info(uinfo, 1 , 8 , texts);
}
static int snd_es1688_get_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol);
ucontrol->value.enumerated.item[0 ] = snd_es1688_mixer_read(chip, ES1688_REC_DEV) & 7 ;
return 0 ;
}
static int snd_es1688_put_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol);
unsigned long flags;
unsigned char oval, nval;
int change;
if (ucontrol->value.enumerated.item[0 ] > 8 )
return -EINVAL;
spin_lock_irqsave(&chip->reg_lock, flags);
oval = snd_es1688_mixer_read(chip, ES1688_REC_DEV);
nval = (ucontrol->value.enumerated.item[0 ] & 7 ) | (oval & ~15 );
change = nval != oval;
if (change)
snd_es1688_mixer_write(chip, ES1688_REC_DEV, nval);
spin_unlock_irqrestore(&chip->reg_lock, flags);
return change;
}
#define ES1688_SINGLE(xname, xindex, reg, shift, mask, invert) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
.info = snd_es1688_info_single, \
.get = snd_es1688_get_single, .put = snd_es1688_put_single, \
.private_value = reg | (shift << 8 ) | (mask << 16 ) | (invert << 24 ) }
static int snd_es1688_info_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
{
int mask = (kcontrol->private_value >> 16 ) & 0 xff;
uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
uinfo->count = 1 ;
uinfo->value.integer.min = 0 ;
uinfo->value.integer.max = mask;
return 0 ;
}
static int snd_es1688_get_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol);
unsigned long flags;
int reg = kcontrol->private_value & 0 xff;
int shift = (kcontrol->private_value >> 8 ) & 0 xff;
int mask = (kcontrol->private_value >> 16 ) & 0 xff;
int invert = (kcontrol->private_value >> 24 ) & 0 xff;
spin_lock_irqsave(&chip->reg_lock, flags);
ucontrol->value.integer.value[0 ] = (snd_es1688_mixer_read(chip, reg) >> shift) & mask;
spin_unlock_irqrestore(&chip->reg_lock, flags);
if (invert)
ucontrol->value.integer.value[0 ] = mask - ucontrol->value.integer.value[0 ];
return 0 ;
}
static int snd_es1688_put_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol);
unsigned long flags;
int reg = kcontrol->private_value & 0 xff;
int shift = (kcontrol->private_value >> 8 ) & 0 xff;
int mask = (kcontrol->private_value >> 16 ) & 0 xff;
int invert = (kcontrol->private_value >> 24 ) & 0 xff;
int change;
unsigned char oval, nval;
nval = (ucontrol->value.integer.value[0 ] & mask);
if (invert)
nval = mask - nval;
nval <<= shift;
spin_lock_irqsave(&chip->reg_lock, flags);
oval = snd_es1688_mixer_read(chip, reg);
nval = (oval & ~(mask << shift)) | nval;
change = nval != oval;
if (change)
snd_es1688_mixer_write(chip, reg, nval);
spin_unlock_irqrestore(&chip->reg_lock, flags);
return change;
}
#define ES1688_DOUBLE(xname, xindex, left_reg, right_reg, shift_left, shift_right, mask, invert) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
.info = snd_es1688_info_double, \
.get = snd_es1688_get_double, .put = snd_es1688_put_double, \
.private_value = left_reg | (right_reg << 8 ) | (shift_left << 16 ) | (shift_right << 19 ) | (mask << 24 ) | (invert << 22 ) }
static int snd_es1688_info_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
{
int mask = (kcontrol->private_value >> 24 ) & 0 xff;
uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
uinfo->count = 2 ;
uinfo->value.integer.min = 0 ;
uinfo->value.integer.max = mask;
return 0 ;
}
static int snd_es1688_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol);
unsigned long flags;
int left_reg = kcontrol->private_value & 0 xff;
int right_reg = (kcontrol->private_value >> 8 ) & 0 xff;
int shift_left = (kcontrol->private_value >> 16 ) & 0 x07;
int shift_right = (kcontrol->private_value >> 19 ) & 0 x07;
int mask = (kcontrol->private_value >> 24 ) & 0 xff;
int invert = (kcontrol->private_value >> 22 ) & 1 ;
unsigned char left, right;
spin_lock_irqsave(&chip->reg_lock, flags);
if (left_reg < 0 xa0)
left = snd_es1688_mixer_read(chip, left_reg);
else
left = snd_es1688_read(chip, left_reg);
if (left_reg != right_reg) {
if (right_reg < 0 xa0)
right = snd_es1688_mixer_read(chip, right_reg);
else
right = snd_es1688_read(chip, right_reg);
} else
right = left;
spin_unlock_irqrestore(&chip->reg_lock, flags);
ucontrol->value.integer.value[0 ] = (left >> shift_left) & mask;
ucontrol->value.integer.value[1 ] = (right >> shift_right) & mask;
if (invert) {
ucontrol->value.integer.value[0 ] = mask - ucontrol->value.integer.value[0 ];
ucontrol->value.integer.value[1 ] = mask - ucontrol->value.integer.value[1 ];
}
return 0 ;
}
static int snd_es1688_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol);
unsigned long flags;
int left_reg = kcontrol->private_value & 0 xff;
int right_reg = (kcontrol->private_value >> 8 ) & 0 xff;
int shift_left = (kcontrol->private_value >> 16 ) & 0 x07;
int shift_right = (kcontrol->private_value >> 19 ) & 0 x07;
int mask = (kcontrol->private_value >> 24 ) & 0 xff;
int invert = (kcontrol->private_value >> 22 ) & 1 ;
int change;
unsigned char val1, val2, oval1, oval2;
val1 = ucontrol->value.integer.value[0 ] & mask;
val2 = ucontrol->value.integer.value[1 ] & mask;
if (invert) {
val1 = mask - val1;
val2 = mask - val2;
}
val1 <<= shift_left;
val2 <<= shift_right;
spin_lock_irqsave(&chip->reg_lock, flags);
if (left_reg != right_reg) {
if (left_reg < 0 xa0)
oval1 = snd_es1688_mixer_read(chip, left_reg);
else
oval1 = snd_es1688_read(chip, left_reg);
if (right_reg < 0 xa0)
oval2 = snd_es1688_mixer_read(chip, right_reg);
else
oval2 = snd_es1688_read(chip, right_reg);
val1 = (oval1 & ~(mask << shift_left)) | val1;
val2 = (oval2 & ~(mask << shift_right)) | val2;
change = val1 != oval1 || val2 != oval2;
if (change) {
if (left_reg < 0 xa0)
snd_es1688_mixer_write(chip, left_reg, val1);
else
snd_es1688_write(chip, left_reg, val1);
if (right_reg < 0 xa0)
snd_es1688_mixer_write(chip, right_reg, val1);
else
snd_es1688_write(chip, right_reg, val1);
}
} else {
if (left_reg < 0 xa0)
oval1 = snd_es1688_mixer_read(chip, left_reg);
else
oval1 = snd_es1688_read(chip, left_reg);
val1 = (oval1 & ~((mask << shift_left) | (mask << shift_right))) | val1 | val2;
change = val1 != oval1;
if (change) {
if (left_reg < 0 xa0)
snd_es1688_mixer_write(chip, left_reg, val1);
else
snd_es1688_write(chip, left_reg, val1);
}
}
spin_unlock_irqrestore(&chip->reg_lock, flags);
return change;
}
static const struct snd_kcontrol_new snd_es1688_controls[] = {
ES1688_DOUBLE("Master Playback Volume" , 0 , ES1688_MASTER_DEV, ES1688_MASTER_DEV, 4 , 0 , 15 , 0 ),
ES1688_DOUBLE("PCM Playback Volume" , 0 , ES1688_PCM_DEV, ES1688_PCM_DEV, 4 , 0 , 15 , 0 ),
ES1688_DOUBLE("Line Playback Volume" , 0 , ES1688_LINE_DEV, ES1688_LINE_DEV, 4 , 0 , 15 , 0 ),
ES1688_DOUBLE("CD Playback Volume" , 0 , ES1688_CD_DEV, ES1688_CD_DEV, 4 , 0 , 15 , 0 ),
ES1688_DOUBLE("FM Playback Volume" , 0 , ES1688_FM_DEV, ES1688_FM_DEV, 4 , 0 , 15 , 0 ),
ES1688_DOUBLE("Mic Playback Volume" , 0 , ES1688_MIC_DEV, ES1688_MIC_DEV, 4 , 0 , 15 , 0 ),
ES1688_DOUBLE("Aux Playback Volume" , 0 , ES1688_AUX_DEV, ES1688_AUX_DEV, 4 , 0 , 15 , 0 ),
ES1688_SINGLE("Beep Playback Volume" , 0 , ES1688_SPEAKER_DEV, 0 , 7 , 0 ),
ES1688_DOUBLE("Capture Volume" , 0 , ES1688_RECLEV_DEV, ES1688_RECLEV_DEV, 4 , 0 , 15 , 0 ),
ES1688_SINGLE("Capture Switch" , 0 , ES1688_REC_DEV, 4 , 1 , 1 ),
{
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Capture Source" ,
.info = snd_es1688_info_mux,
.get = snd_es1688_get_mux,
.put = snd_es1688_put_mux,
},
};
#define ES1688_INIT_TABLE_SIZE (sizeof (snd_es1688_init_table)/2 )
static const unsigned char snd_es1688_init_table[][2 ] = {
{ ES1688_MASTER_DEV, 0 },
{ ES1688_PCM_DEV, 0 },
{ ES1688_LINE_DEV, 0 },
{ ES1688_CD_DEV, 0 },
{ ES1688_FM_DEV, 0 },
{ ES1688_MIC_DEV, 0 },
{ ES1688_AUX_DEV, 0 },
{ ES1688_SPEAKER_DEV, 0 },
{ ES1688_RECLEV_DEV, 0 },
{ ES1688_REC_DEV, 0 x17 }
};
int snd_es1688_mixer(struct snd_card *card, struct snd_es1688 *chip)
{
unsigned int idx;
int err;
unsigned char reg, val;
if (snd_BUG_ON(!chip || !card))
return -EINVAL;
strscpy(card->mixername, snd_es1688_chip_id(chip));
for (idx = 0 ; idx < ARRAY_SIZE(snd_es1688_controls); idx++) {
err = snd_ctl_add(card, snd_ctl_new1(&snd_es1688_controls[idx], chip));
if (err < 0 )
return err;
}
for (idx = 0 ; idx < ES1688_INIT_TABLE_SIZE; idx++) {
reg = snd_es1688_init_table[idx][0 ];
val = snd_es1688_init_table[idx][1 ];
if (reg < 0 xa0)
snd_es1688_mixer_write(chip, reg, val);
else
snd_es1688_write(chip, reg, val);
}
return 0 ;
}
EXPORT_SYMBOL(snd_es1688_mixer_write);
EXPORT_SYMBOL(snd_es1688_create);
EXPORT_SYMBOL(snd_es1688_pcm);
EXPORT_SYMBOL(snd_es1688_mixer);
Messung V0.5 in Prozent C=94 H=94 G=93
¤ Dauer der Verarbeitung: 0.13 Sekunden
(vorverarbeitet am 2026-06-07)
¤
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