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linux-stable-rt/sound/isa/es1688/es1688_lib.c

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/*
* 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 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, IRQF_DISABLED, "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)
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