1054 lines
30 KiB
C
1054 lines
30 KiB
C
/*
|
|
* Copyright (c) by Jaroslav Kysela <perex@suse.cz>
|
|
* Routines for control of ESS ES1688/688/488 chip
|
|
*
|
|
*
|
|
* 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/init.h>
|
|
#include <linux/interrupt.h>
|
|
#include <linux/delay.h>
|
|
#include <linux/slab.h>
|
|
#include <linux/ioport.h>
|
|
#include <sound/core.h>
|
|
#include <sound/es1688.h>
|
|
#include <sound/initval.h>
|
|
|
|
#include <asm/io.h>
|
|
#include <asm/dma.h>
|
|
|
|
MODULE_AUTHOR("Jaroslav Kysela <perex@suse.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)) & 0x80) == 0) {
|
|
outb(val, ES1688P(chip, COMMAND));
|
|
return 1;
|
|
}
|
|
#ifdef CONFIG_SND_DEBUG
|
|
printk("snd_es1688_dsp_command: timeout (0x%x)\n", val);
|
|
#endif
|
|
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)) & 0x80)
|
|
return inb(ES1688P(chip, READ));
|
|
snd_printd("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, 0xc0))
|
|
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;
|
|
}
|
|
|
|
static 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)) & 0x80); i++);
|
|
if (inb(ES1688P(chip, READ)) != 0xaa) {
|
|
snd_printd("ess_reset at 0x%lx: failed!!!\n", chip->port);
|
|
return -ENODEV;
|
|
}
|
|
snd_es1688_dsp_command(chip, 0xc6); /* enable extended mode */
|
|
return 0;
|
|
}
|
|
|
|
static int snd_es1688_probe(struct snd_es1688 *chip)
|
|
{
|
|
unsigned long flags;
|
|
unsigned short major, minor, hw;
|
|
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) {
|
|
snd_printdd("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, 0xe7); /* return identification */
|
|
|
|
for (i = 1000, major = minor = 0; i; i--) {
|
|
if (inb(ES1688P(chip, DATA_AVAIL)) & 0x80) {
|
|
if (major == 0) {
|
|
major = inb(ES1688P(chip, READ));
|
|
} else {
|
|
minor = inb(ES1688P(chip, READ));
|
|
}
|
|
}
|
|
}
|
|
|
|
spin_unlock_irqrestore(&chip->reg_lock, flags);
|
|
|
|
snd_printdd("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 */
|
|
|
|
hw = ES1688_HW_AUTO;
|
|
switch (chip->version & 0xfff0) {
|
|
case 0x4880:
|
|
snd_printk("[0x%lx] ESS: AudioDrive ES488 detected, but driver is in another place\n", chip->port);
|
|
return -ENODEV;
|
|
case 0x6880:
|
|
hw = (chip->version & 0x0f) >= 8 ? ES1688_HW_1688 : ES1688_HW_688;
|
|
break;
|
|
default:
|
|
snd_printk("[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, 0xb1, 0x10); /* disable IRQ */
|
|
snd_es1688_write(chip, 0xb2, 0x00); /* 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, 0x40, 0x01);
|
|
spin_unlock_irqrestore(&chip->mixer_lock, flags);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int snd_es1688_init(struct snd_es1688 * chip, int enable)
|
|
{
|
|
static 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 = 0x01; /* enable joystick, but disable OPL3 */
|
|
if (enable && chip->mpu_port >= 0x300 && chip->mpu_irq > 0 && chip->hardware != ES1688_HW_688) {
|
|
tmp = (chip->mpu_port & 0x0f0) >> 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);
|
|
}
|
|
}
|
|
}
|
|
#if 0
|
|
snd_printk("mpu cfg = 0x%x\n", cfg);
|
|
#endif
|
|
spin_lock_irqsave(&chip->reg_lock, flags);
|
|
snd_es1688_mixer_write(chip, 0x40, cfg);
|
|
spin_unlock_irqrestore(&chip->reg_lock, flags);
|
|
/* --- */
|
|
spin_lock_irqsave(&chip->reg_lock, flags);
|
|
snd_es1688_read(chip, 0xb1);
|
|
snd_es1688_read(chip, 0xb2);
|
|
spin_unlock_irqrestore(&chip->reg_lock, flags);
|
|
if (enable) {
|
|
cfg = 0xf0; /* enable only DMA counter interrupt */
|
|
irq_bits = irqs[chip->irq & 0x0f];
|
|
if (irq_bits < 0) {
|
|
snd_printk("[0x%lx] ESS: bad IRQ %d for ES1688 chip!!\n", chip->port, chip->irq);
|
|
#if 0
|
|
irq_bits = 0;
|
|
cfg = 0x10;
|
|
#endif
|
|
return -EINVAL;
|
|
}
|
|
spin_lock_irqsave(&chip->reg_lock, flags);
|
|
snd_es1688_write(chip, 0xb1, cfg | (irq_bits << 2));
|
|
spin_unlock_irqrestore(&chip->reg_lock, flags);
|
|
cfg = 0xf0; /* extended mode DMA enable */
|
|
dma = chip->dma8;
|
|
if (dma > 3 || dma == 2) {
|
|
snd_printk("[0x%lx] ESS: bad DMA channel %d for ES1688 chip!!\n", chip->port, dma);
|
|
#if 0
|
|
dma_bits = 0;
|
|
cfg = 0x00; /* 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, 0xb2, cfg | (dma_bits << 2));
|
|
spin_unlock_irqrestore(&chip->reg_lock, flags);
|
|
} else {
|
|
spin_lock_irqsave(&chip->reg_lock, flags);
|
|
snd_es1688_write(chip, 0xb1, 0x10); /* disable IRQ */
|
|
snd_es1688_write(chip, 0xb2, 0x00); /* disable DMA */
|
|
spin_unlock_irqrestore(&chip->reg_lock, flags);
|
|
}
|
|
spin_lock_irqsave(&chip->reg_lock, flags);
|
|
snd_es1688_read(chip, 0xb1);
|
|
snd_es1688_read(chip, 0xb2);
|
|
snd_es1688_reset(chip);
|
|
spin_unlock_irqrestore(&chip->reg_lock, flags);
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
|
|
*/
|
|
|
|
static 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 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, 0xa1, bits);
|
|
snd_es1688_write(chip, 0xa2, divider);
|
|
}
|
|
|
|
static int snd_es1688_ioctl(struct snd_pcm_substream *substream,
|
|
unsigned int cmd, void *arg)
|
|
{
|
|
return snd_pcm_lib_ioctl(substream, cmd, arg);
|
|
}
|
|
|
|
static int snd_es1688_trigger(struct snd_es1688 *chip, int cmd, unsigned char value)
|
|
{
|
|
int val;
|
|
|
|
if (cmd == SNDRV_PCM_TRIGGER_STOP) {
|
|
value = 0x00;
|
|
} else if (cmd != SNDRV_PCM_TRIGGER_START) {
|
|
return -EINVAL;
|
|
}
|
|
spin_lock(&chip->reg_lock);
|
|
chip->trigger_value = value;
|
|
val = snd_es1688_read(chip, 0xb8);
|
|
if ((val < 0) || (val & 0x0f) == value) {
|
|
spin_unlock(&chip->reg_lock);
|
|
return -EINVAL; /* something is wrong */
|
|
}
|
|
#if 0
|
|
printk("trigger: val = 0x%x, value = 0x%x\n", val, value);
|
|
printk("trigger: pointer = 0x%x\n", snd_dma_pointer(chip->dma8, chip->dma_size));
|
|
#endif
|
|
snd_es1688_write(chip, 0xb8, (val & 0xf0) | value);
|
|
spin_unlock(&chip->reg_lock);
|
|
return 0;
|
|
}
|
|
|
|
static int snd_es1688_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_es1688_hw_free(struct snd_pcm_substream *substream)
|
|
{
|
|
return snd_pcm_lib_free_pages(substream);
|
|
}
|
|
|
|
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, 0xb8, 4); /* auto init DMA mode */
|
|
snd_es1688_write(chip, 0xa8, (snd_es1688_read(chip, 0xa8) & ~0x03) | (3 - runtime->channels));
|
|
snd_es1688_write(chip, 0xb9, 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, 0xb6, 0x80);
|
|
snd_es1688_write(chip, 0xb7, 0x51);
|
|
snd_es1688_write(chip, 0xb7, 0xd0);
|
|
} else {
|
|
/* 16. bit mono */
|
|
snd_es1688_write(chip, 0xb6, 0x00);
|
|
snd_es1688_write(chip, 0xb7, 0x71);
|
|
snd_es1688_write(chip, 0xb7, 0xf4);
|
|
}
|
|
} else {
|
|
if (snd_pcm_format_width(runtime->format) == 8) {
|
|
/* 8. bit stereo */
|
|
snd_es1688_write(chip, 0xb6, 0x80);
|
|
snd_es1688_write(chip, 0xb7, 0x51);
|
|
snd_es1688_write(chip, 0xb7, 0x98);
|
|
} else {
|
|
/* 16. bit stereo */
|
|
snd_es1688_write(chip, 0xb6, 0x00);
|
|
snd_es1688_write(chip, 0xb7, 0x71);
|
|
snd_es1688_write(chip, 0xb7, 0xbc);
|
|
}
|
|
}
|
|
snd_es1688_write(chip, 0xb1, (snd_es1688_read(chip, 0xb1) & 0x0f) | 0x50);
|
|
snd_es1688_write(chip, 0xb2, (snd_es1688_read(chip, 0xb2) & 0x0f) | 0x50);
|
|
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, 0xa4, (unsigned char) count);
|
|
snd_es1688_write(chip, 0xa5, (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, 0x05);
|
|
}
|
|
|
|
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, 0xb8, 0x0e); /* auto init DMA mode */
|
|
snd_es1688_write(chip, 0xa8, (snd_es1688_read(chip, 0xa8) & ~0x03) | (3 - runtime->channels));
|
|
snd_es1688_write(chip, 0xb9, 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, 0xb7, 0x51);
|
|
snd_es1688_write(chip, 0xb7, 0xd0);
|
|
} else {
|
|
/* 16. bit mono */
|
|
snd_es1688_write(chip, 0xb7, 0x71);
|
|
snd_es1688_write(chip, 0xb7, 0xf4);
|
|
}
|
|
} else {
|
|
if (snd_pcm_format_width(runtime->format) == 8) {
|
|
/* 8. bit stereo */
|
|
snd_es1688_write(chip, 0xb7, 0x51);
|
|
snd_es1688_write(chip, 0xb7, 0x98);
|
|
} else {
|
|
/* 16. bit stereo */
|
|
snd_es1688_write(chip, 0xb7, 0x71);
|
|
snd_es1688_write(chip, 0xb7, 0xbc);
|
|
}
|
|
}
|
|
snd_es1688_write(chip, 0xb1, (snd_es1688_read(chip, 0xb1) & 0x0f) | 0x50);
|
|
snd_es1688_write(chip, 0xb2, (snd_es1688_read(chip, 0xb2) & 0x0f) | 0x50);
|
|
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, 0xa4, (unsigned char) count);
|
|
snd_es1688_write(chip, 0xa5, (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, 0x0f);
|
|
}
|
|
|
|
static irqreturn_t snd_es1688_interrupt(int irq, void *dev_id, struct pt_regs *regs)
|
|
{
|
|
struct snd_es1688 *chip = dev_id;
|
|
|
|
if (chip->trigger_value == 0x05) /* ok.. playback is active */
|
|
snd_pcm_period_elapsed(chip->playback_substream);
|
|
if (chip->trigger_value == 0x0f) /* 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 != 0x05)
|
|
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 != 0x0f)
|
|
return 0;
|
|
ptr = snd_dma_pointer(chip->dma8, chip->dma_size);
|
|
return bytes_to_frames(substream->runtime, ptr);
|
|
}
|
|
|
|
/*
|
|
|
|
*/
|
|
|
|
static 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 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->res_port) {
|
|
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);
|
|
}
|
|
kfree(chip);
|
|
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 & 0x0f);
|
|
return tmp;
|
|
}
|
|
|
|
int snd_es1688_create(struct snd_card *card,
|
|
unsigned long port,
|
|
unsigned long mpu_port,
|
|
int irq,
|
|
int mpu_irq,
|
|
int dma8,
|
|
unsigned short hardware,
|
|
struct snd_es1688 **rchip)
|
|
{
|
|
static struct snd_device_ops ops = {
|
|
.dev_free = snd_es1688_dev_free,
|
|
};
|
|
|
|
struct snd_es1688 *chip;
|
|
int err;
|
|
|
|
*rchip = NULL;
|
|
chip = kzalloc(sizeof(*chip), GFP_KERNEL);
|
|
if (chip == NULL)
|
|
return -ENOMEM;
|
|
chip->irq = -1;
|
|
chip->dma8 = -1;
|
|
|
|
if ((chip->res_port = request_region(port + 4, 12, "ES1688")) == NULL) {
|
|
snd_printk(KERN_ERR "es1688: can't grab port 0x%lx\n", port + 4);
|
|
snd_es1688_free(chip);
|
|
return -EBUSY;
|
|
}
|
|
if (request_irq(irq, snd_es1688_interrupt, SA_INTERRUPT, "ES1688", (void *) chip)) {
|
|
snd_printk(KERN_ERR "es1688: can't grab IRQ %d\n", irq);
|
|
snd_es1688_free(chip);
|
|
return -EBUSY;
|
|
}
|
|
chip->irq = irq;
|
|
if (request_dma(dma8, "ES1688")) {
|
|
snd_printk(KERN_ERR "es1688: can't grab DMA8 %d\n", dma8);
|
|
snd_es1688_free(chip);
|
|
return -EBUSY;
|
|
}
|
|
chip->dma8 = dma8;
|
|
|
|
spin_lock_init(&chip->reg_lock);
|
|
spin_lock_init(&chip->mixer_lock);
|
|
chip->card = card;
|
|
chip->port = port;
|
|
mpu_port &= ~0x000f;
|
|
if (mpu_port < 0x300 || mpu_port > 0x330)
|
|
mpu_port = 0;
|
|
chip->mpu_port = mpu_port;
|
|
chip->mpu_irq = mpu_irq;
|
|
chip->hardware = hardware;
|
|
|
|
if ((err = snd_es1688_probe(chip)) < 0) {
|
|
snd_es1688_free(chip);
|
|
return err;
|
|
}
|
|
if ((err = snd_es1688_init(chip, 1)) < 0) {
|
|
snd_es1688_free(chip);
|
|
return err;
|
|
}
|
|
|
|
/* Register device */
|
|
if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
|
|
snd_es1688_free(chip);
|
|
return err;
|
|
}
|
|
|
|
*rchip = chip;
|
|
return 0;
|
|
}
|
|
|
|
static struct snd_pcm_ops snd_es1688_playback_ops = {
|
|
.open = snd_es1688_playback_open,
|
|
.close = snd_es1688_playback_close,
|
|
.ioctl = snd_es1688_ioctl,
|
|
.hw_params = snd_es1688_hw_params,
|
|
.hw_free = snd_es1688_hw_free,
|
|
.prepare = snd_es1688_playback_prepare,
|
|
.trigger = snd_es1688_playback_trigger,
|
|
.pointer = snd_es1688_playback_pointer,
|
|
};
|
|
|
|
static struct snd_pcm_ops snd_es1688_capture_ops = {
|
|
.open = snd_es1688_capture_open,
|
|
.close = snd_es1688_capture_close,
|
|
.ioctl = snd_es1688_ioctl,
|
|
.hw_params = snd_es1688_hw_params,
|
|
.hw_free = snd_es1688_hw_free,
|
|
.prepare = snd_es1688_capture_prepare,
|
|
.trigger = snd_es1688_capture_trigger,
|
|
.pointer = snd_es1688_capture_pointer,
|
|
};
|
|
|
|
int snd_es1688_pcm(struct snd_es1688 * chip, int device, struct snd_pcm ** rpcm)
|
|
{
|
|
struct snd_pcm *pcm;
|
|
int err;
|
|
|
|
if ((err = snd_pcm_new(chip->card, "ESx688", device, 1, 1, &pcm)) < 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;
|
|
sprintf(pcm->name, snd_es1688_chip_id(chip));
|
|
chip->pcm = pcm;
|
|
|
|
snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
|
|
snd_dma_isa_data(),
|
|
64*1024, 64*1024);
|
|
|
|
if (rpcm)
|
|
*rpcm = pcm;
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* MIXER part
|
|
*/
|
|
|
|
static int snd_es1688_info_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
|
|
{
|
|
static char *texts[9] = {
|
|
"Mic", "Mic Master", "CD", "AOUT",
|
|
"Mic1", "Mix", "Line", "Master"
|
|
};
|
|
|
|
uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
|
|
uinfo->count = 1;
|
|
uinfo->value.enumerated.items = 8;
|
|
if (uinfo->value.enumerated.item > 7)
|
|
uinfo->value.enumerated.item = 7;
|
|
strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
|
|
return 0;
|
|
}
|
|
|
|
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) & 0xff;
|
|
|
|
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 & 0xff;
|
|
int shift = (kcontrol->private_value >> 8) & 0xff;
|
|
int mask = (kcontrol->private_value >> 16) & 0xff;
|
|
int invert = (kcontrol->private_value >> 24) & 0xff;
|
|
|
|
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 & 0xff;
|
|
int shift = (kcontrol->private_value >> 8) & 0xff;
|
|
int mask = (kcontrol->private_value >> 16) & 0xff;
|
|
int invert = (kcontrol->private_value >> 24) & 0xff;
|
|
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) & 0xff;
|
|
|
|
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 & 0xff;
|
|
int right_reg = (kcontrol->private_value >> 8) & 0xff;
|
|
int shift_left = (kcontrol->private_value >> 16) & 0x07;
|
|
int shift_right = (kcontrol->private_value >> 19) & 0x07;
|
|
int mask = (kcontrol->private_value >> 24) & 0xff;
|
|
int invert = (kcontrol->private_value >> 22) & 1;
|
|
unsigned char left, right;
|
|
|
|
spin_lock_irqsave(&chip->reg_lock, flags);
|
|
if (left_reg < 0xa0)
|
|
left = snd_es1688_mixer_read(chip, left_reg);
|
|
else
|
|
left = snd_es1688_read(chip, left_reg);
|
|
if (left_reg != right_reg) {
|
|
if (right_reg < 0xa0)
|
|
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 & 0xff;
|
|
int right_reg = (kcontrol->private_value >> 8) & 0xff;
|
|
int shift_left = (kcontrol->private_value >> 16) & 0x07;
|
|
int shift_right = (kcontrol->private_value >> 19) & 0x07;
|
|
int mask = (kcontrol->private_value >> 24) & 0xff;
|
|
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 < 0xa0)
|
|
oval1 = snd_es1688_mixer_read(chip, left_reg);
|
|
else
|
|
oval1 = snd_es1688_read(chip, left_reg);
|
|
if (right_reg < 0xa0)
|
|
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 < 0xa0)
|
|
snd_es1688_mixer_write(chip, left_reg, val1);
|
|
else
|
|
snd_es1688_write(chip, left_reg, val1);
|
|
if (right_reg < 0xa0)
|
|
snd_es1688_mixer_write(chip, right_reg, val1);
|
|
else
|
|
snd_es1688_write(chip, right_reg, val1);
|
|
}
|
|
} else {
|
|
if (left_reg < 0xa0)
|
|
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 < 0xa0)
|
|
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 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("PC Speaker 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 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, 0x17 }
|
|
};
|
|
|
|
int snd_es1688_mixer(struct snd_es1688 *chip)
|
|
{
|
|
struct snd_card *card;
|
|
unsigned int idx;
|
|
int err;
|
|
unsigned char reg, val;
|
|
|
|
snd_assert(chip != NULL && chip->card != NULL, return -EINVAL);
|
|
|
|
card = chip->card;
|
|
|
|
strcpy(card->mixername, snd_es1688_chip_id(chip));
|
|
|
|
for (idx = 0; idx < ARRAY_SIZE(snd_es1688_controls); idx++) {
|
|
if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_es1688_controls[idx], chip))) < 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 < 0xa0)
|
|
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);
|
|
|
|
/*
|
|
* INIT part
|
|
*/
|
|
|
|
static int __init alsa_es1688_init(void)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static void __exit alsa_es1688_exit(void)
|
|
{
|
|
}
|
|
|
|
module_init(alsa_es1688_init)
|
|
module_exit(alsa_es1688_exit)
|