/*
* ALSA driver for ICEnsemble ICE1712 (Envy24)
*
* Lowlevel functions for M-Audio Audiophile 192, Revolution 7.1 and 5.1
*
* Copyright (c) 2003 Takashi Iwai <tiwai@suse.de>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#include <linux/delay.h>
#include <linux/interrupt.h>
#include <linux/init.h>
#include <linux/slab.h>
#include <sound/core.h>
#include "ice1712.h"
#include "envy24ht.h"
#include "revo.h"
/* a non-standard I2C device for revo51 */
struct revo51_spec {
struct snd_i2c_device *dev;
struct snd_pt2258 *pt2258;
struct ak4114 *ak4114;
};
static void revo_i2s_mclk_changed(struct snd_ice1712 *ice)
{
/* assert PRST# to converters; MT05 bit 7 */
outb(inb(ICEMT1724(ice, AC97_CMD)) | 0x80, ICEMT1724(ice, AC97_CMD));
mdelay(5);
/* deassert PRST# */
outb(inb(ICEMT1724(ice, AC97_CMD)) & ~0x80, ICEMT1724(ice, AC97_CMD));
}
/*
* change the rate of Envy24HT, AK4355 and AK4381
*/
static void revo_set_rate_val(struct snd_akm4xxx *ak, unsigned int rate)
{
unsigned char old, tmp, dfs;
int reg, shift;
if (rate == 0) /* no hint - S/PDIF input is master, simply return */
return;
/* adjust DFS on codecs */
if (rate > 96000)
dfs = 2;
else if (rate > 48000)
dfs = 1;
else
dfs = 0;
if (ak->type == SND_AK4355 || ak->type == SND_AK4358) {
reg = 2;
shift = 4;
} else {
reg = 1;
shift = 3;
}
tmp = snd_akm4xxx_get(ak, 0, reg);
old = (tmp >> shift) & 0x03;
if (old == dfs)
return;
/* reset DFS */
snd_akm4xxx_reset(ak, 1);
tmp = snd_akm4xxx_get(ak, 0, reg);
tmp &= ~(0x03 << shift);
tmp |= dfs << shift;
/* snd_akm4xxx_write(ak, 0, reg, tmp); */
snd_akm4xxx_set(ak, 0, reg, tmp); /* value is written in reset(0) */
snd_akm4xxx_reset(ak, 0);
}
/*
* I2C access to the PT2258 volume controller on GPIO 6/7 (Revolution 5.1)
*/
static void revo_i2c_start(struct snd_i2c_bus *bus)
{
struct snd_ice1712 *ice = bus->private_data;
snd_ice1712_save_gpio_status(ice);
}
static void revo_i2c_stop(struct snd_i2c_bus *bus)
{
struct snd_ice1712 *ice = bus->private_data;
snd_ice1712_restore_gpio_status(ice);
}
static void revo_i2c_direction(struct snd_i2c_bus *bus, int clock, int data)
{
struct snd_ice1712 *ice = bus->private_data;
unsigned int mask, val;
val = 0;
if (clock)
val |= VT1724_REVO_I2C_CLOCK; /* write SCL */
if (data)
val |= VT1724_REVO_I2C_DATA; /* write SDA */
mask = VT1724_REVO_I2C_CLOCK | VT1724_REVO_I2C_DATA;
ice->gpio.direction &= ~mask;
ice->gpio.direction |= val;
snd_ice1712_gpio_set_dir(ice, ice->gpio.direction);
snd_ice1712_gpio_set_mask(ice, ~mask);
}
static void revo_i2c_setlines(struct snd_i2c_bus *bus, int clk, int data)
{
struct snd_ice1712 *ice = bus->private_data;
unsigned int val = 0;
if (clk)
val |= VT1724_REVO_I2C_CLOCK;
if (data)
val |= VT1724_REVO_I2C_DATA;
snd_ice1712_gpio_write_bits(ice,
VT1724_REVO_I2C_DATA |
VT1724_REVO_I2C_CLOCK, val);
udelay(5);
}
static int revo_i2c_getdata(struct snd_i2c_bus *bus, int ack)
{
struct snd_ice1712 *ice = bus->private_data;
int bit;
if (ack)
udelay(5);
bit = snd_ice1712_gpio_read_bits(ice, VT1724_REVO_I2C_DATA) ? 1 : 0;
return bit;
}
static struct snd_i2c_bit_ops revo51_bit_ops = {
.start = revo_i2c_start,
.stop = revo_i2c_stop,
.direction = revo_i2c_direction,
.setlines = revo_i2c_setlines,
.getdata = revo_i2c_getdata,
};
static int revo51_i2c_init(struct snd_ice1712 *ice,
struct snd_pt2258 *pt)
{
struct revo51_spec *spec;
int err;
spec = kzalloc(sizeof(*spec), GFP_KERNEL);
if (!spec)
return -ENOMEM;
ice->spec = spec;
/* create the I2C bus */
err = snd_i2c_bus_create(ice->card, "ICE1724 GPIO6", NULL, &ice->i2c);
if (err < 0)
return err;
ice->i2c->private_data = ice;
ice->i2c->hw_ops.bit = &revo51_bit_ops;
/* create the I2C device */
err = snd_i2c_device_create(ice->i2c, "PT2258", 0x40, &spec->dev);
if (err < 0)
return err;
pt->card = ice->card;
pt->i2c_bus = ice->i2c;
pt->i2c_dev = spec->dev;
spec->pt2258 = pt;
snd_pt2258_reset(pt);
return 0;
}
/*
* initialize the chips on M-Audio Revolution cards
*/
#define AK_DAC(xname,xch) { .name = xname, .num_channels = xch }
static const struct snd_akm4xxx_dac_channel revo71_front[] = {
{
.name = "PCM Playback Volume",
.num_channels = 2,
/* front channels DAC supports muting */
.switch_name = "PCM Playback Switch",
},
};
static const struct snd_akm4xxx_dac_channel revo71_surround[] = {
AK_DAC("PCM Center Playback Volume", 1),
AK_DAC("PCM LFE Playback Volume", 1),
AK_DAC("PCM Side Playback Volume", 2),
AK_DAC("PCM Rear Playback Volume", 2),
};
static const struct snd_akm4xxx_dac_channel revo51_dac[] = {
AK_DAC("PCM Playback Volume", 2),
AK_DAC("PCM Center Playback Volume", 1),
AK_DAC("PCM LFE Playback Volume", 1),
AK_DAC("PCM Rear Playback Volume", 2),
AK_DAC("PCM Headphone Volume", 2),
};
static const char *revo51_adc_input_names[] = {
"Mic",
"Line",
"CD",
NULL
};
static const struct snd_akm4xxx_adc_channel revo51_adc[] = {
{
.name = "PCM Capture Volume",
.switch_name = "PCM Capture Switch",
.num_channels = 2,
.input_names = revo51_adc_input_names
},
};
static struct snd_akm4xxx akm_revo_front = {
.type = SND_AK4381,
.num_dacs = 2,
.ops = {
.set_rate_val = revo_set_rate_val
},
.dac_info = revo71_front,
};
static struct snd_ak4xxx_private akm_revo_front_priv = {
.caddr = 1,
.cif = 0,
.data_mask = VT1724_REVO_CDOUT,
.clk_mask = VT1724_REVO_CCLK,
.cs_mask = VT1724_REVO_CS0 | VT1724_REVO_CS1 | VT1724_REVO_CS2,
.cs_addr = VT1724_REVO_CS0 | VT1724_REVO_CS2,
.cs_none = VT1724_REVO_CS0 | VT1724_REVO_CS1 | VT1724_REVO_CS2,
.add_flags = VT1724_REVO_CCLK, /* high at init */
.mask_flags = 0,
};
static struct snd_akm4xxx akm_revo_surround = {
.type = SND_AK4355,
.idx_offset = 1,
.num_dacs = 6,
.ops = {
.set_rate_val = revo_set_rate_val
},
.dac_info = revo71_surround,
};
static struct snd_ak4xxx_private akm_revo_surround_priv = {
.caddr = 3,
.cif = 0,
.data_mask = VT1724_REVO_CDOUT,
.clk_mask = VT1724_REVO_CCLK,
.cs_mask = VT1724_REVO_CS0 | VT1724_REVO_CS1 | VT1724_REVO_CS2,
.cs_addr = VT1724_REVO_CS0 | VT1724_REVO_CS1,
.cs_none = VT1724_REVO_CS0 | VT1724_REVO_CS1 | VT1724_REVO_CS2,
.add_flags = VT1724_REVO_CCLK, /* high at init */
.mask_flags = 0,
};
static struct snd_akm4xxx akm_revo51 = {
.type = SND_AK4358,
.num_dacs = 8,
.ops = {
.set_rate_val = revo_set_rate_val
},
.dac_info = revo51_dac,
};
static struct snd_ak4xxx_private akm_revo51_priv = {
.caddr = 2,
.cif = 0,
.data_mask = VT1724_REVO_CDOUT,
.clk_mask = VT1724_REVO_CCLK,
.cs_mask = VT1724_REVO_CS0 | VT1724_REVO_CS1,
.cs_addr = VT1724_REVO_CS1,
.cs_none = VT1724_REVO_CS0 | VT1724_REVO_CS1,
.add_flags = VT1724_REVO_CCLK, /* high at init */
.mask_flags = 0,
};
static struct snd_akm4xxx akm_revo51_adc = {
.type = SND_AK5365,
.num_adcs = 2,
.adc_info = revo51_adc,
};
static struct snd_ak4xxx_private akm_revo51_adc_priv = {
.caddr = 2,
.cif = 0,
.data_mask = VT1724_REVO_CDOUT,
.clk_mask = VT1724_REVO_CCLK,
.cs_mask = VT1724_REVO_CS0 | VT1724_REVO_CS1,
.cs_addr = VT1724_REVO_CS0,
.cs_none = VT1724_REVO_CS0 | VT1724_REVO_CS1,
.add_flags = VT1724_REVO_CCLK, /* high at init */
.mask_flags = 0,
};
static struct snd_pt2258 ptc_revo51_volume;
/* AK4358 for AP192 DAC, AK5385A for ADC */
static void ap192_set_rate_val(struct snd_akm4xxx *ak, unsigned int rate)
{
struct snd_ice1712 *ice = ak->private_data[0];
int dfs;
revo_set_rate_val(ak, rate);
/* reset CKS */
snd_ice1712_gpio_write_bits(ice, 1 << 8, rate > 96000 ? 1 << 8 : 0);
/* reset DFS pins of AK5385A for ADC, too */
if (rate > 96000)
dfs = 2;
else if (rate > 48000)
dfs = 1;
else
dfs = 0;
snd_ice1712_gpio_write_bits(ice, 3 << 9, dfs << 9);
/* reset ADC */
snd_ice1712_gpio_write_bits(ice, 1 << 11, 0);
snd_ice1712_gpio_write_bits(ice, 1 << 11, 1 << 11);
}
static const struct snd_akm4xxx_dac_channel ap192_dac[] = {
AK_DAC("PCM Playback Volume", 2)
};
static struct snd_akm4xxx akm_ap192 = {
.type = SND_AK4358,
.num_dacs = 2,
.ops = {
.set_rate_val = ap192_set_rate_val
},
.dac_info = ap192_dac,
};
static struct snd_ak4xxx_private akm_ap192_priv = {
.caddr = 2,
.cif = 0,
.data_mask = VT1724_REVO_CDOUT,
.clk_mask = VT1724_REVO_CCLK,
.cs_mask = VT1724_REVO_CS0 | VT1724_REVO_CS3,
.cs_addr = VT1724_REVO_CS3,
.cs_none = VT1724_REVO_CS0 | VT1724_REVO_CS3,
.add_flags = VT1724_REVO_CCLK, /* high at init */
.mask_flags = 0,
};
/* AK4114 support on Audiophile 192 */
/* CDTO (pin 32) -- GPIO2 pin 52
* CDTI (pin 33) -- GPIO3 pin 53 (shared with AK4358)
* CCLK (pin 34) -- GPIO1 pin 51 (shared with AK4358)
* CSN (pin 35) -- GPIO7 pin 59
*/
#define AK4114_ADDR 0x00
static void write_data(struct snd_ice1712 *ice, unsigned int gpio,
unsigned int data, int idx)
{
for (; idx >= 0; idx--) {
/* drop clock */
gpio &= ~VT1724_REVO_CCLK;
snd_ice1712_gpio_write(ice, gpio);
udelay(1);
/* set data */
if (data & (1 << idx))
gpio |= VT1724_REVO_CDOUT;
else
gpio &= ~VT1724_REVO_CDOUT;
snd_ice1712_gpio_write(ice, gpio);
udelay(1);
/* raise clock */
gpio |= VT1724_REVO_CCLK;
snd_ice1712_gpio_write(ice, gpio);
udelay(1);
}
}
static unsigned char read_data(struct snd_ice1712 *ice, unsigned int gpio,
int idx)
{
unsigned char data = 0;
for (; idx >= 0; idx--) {
/* drop clock */
gpio &= ~VT1724_REVO_CCLK;
snd_ice1712_gpio_write(ice, gpio);
udelay(1);
/* read data */
if (snd_ice1712_gpio_read(ice) & VT1724_REVO_CDIN)
data |= (1 << idx);
udelay(1);
/* raise clock */
gpio |= VT1724_REVO_CCLK;
snd_ice1712_gpio_write(ice, gpio);
udelay(1);
}
return data;
}
static unsigned int ap192_4wire_start(struct snd_ice1712 *ice)
{
unsigned int tmp;
snd_ice1712_save_gpio_status(ice);
tmp = snd_ice1712_gpio_read(ice);
tmp |= VT1724_REVO_CCLK; /* high at init */
tmp |= VT1724_REVO_CS0;
tmp &= ~VT1724_REVO_CS3;
snd_ice1712_gpio_write(ice, tmp);
udelay(1);
return tmp;
}
static void ap192_4wire_finish(struct snd_ice1712 *ice, unsigned int tmp)
{
tmp |= VT1724_REVO_CS3;
tmp |= VT1724_REVO_CS0;
snd_ice1712_gpio_write(ice, tmp);
udelay(1);
snd_ice1712_restore_gpio_status(ice);
}
static void ap192_ak4114_write(void *private_data, unsigned char addr,
unsigned char data)
{
struct snd_ice1712 *ice = private_data;
unsigned int tmp, addrdata;
tmp = ap192_4wire_start(ice);
addrdata = (AK4114_ADDR << 6) | 0x20 | (addr & 0x1f);
addrdata = (addrdata << 8) | data;
write_data(ice, tmp, addrdata, 15);
ap192_4wire_finish(ice, tmp);
}
static unsigned char ap192_ak4114_read(void *private_data, unsigned char addr)
{
struct snd_ice1712 *ice = private_data;
unsigned int tmp;
unsigned char data;
tmp = ap192_4wire_start(ice);
write_data(ice, tmp, (AK4114_ADDR << 6) | (addr & 0x1f), 7);
data = read_data(ice, tmp, 7);
ap192_4wire_finish(ice, tmp);
return data;
}
static int ap192_ak4114_init(struct snd_ice1712 *ice)
{
static const unsigned char ak4114_init_vals[] = {
AK4114_RST | AK4114_PWN | AK4114_OCKS0,
AK4114_DIF_I24I2S,
AK4114_TX1E,
AK4114_EFH_1024 | AK4114_DIT | AK4114_IPS(0),
0,
0
};
static const unsigned char ak4114_init_txcsb[] = {
0x41, 0x02, 0x2c, 0x00, 0x00
};
int err;
struct revo51_spec *spec;
spec = kzalloc(sizeof(*spec), GFP_KERNEL);
if (!spec)
return -ENOMEM;
ice->spec = spec;
err = snd_ak4114_create(ice->card,
ap192_ak4114_read,
ap192_ak4114_write,
ak4114_init_vals, ak4114_init_txcsb,
ice, &spec->ak4114);
/* AK4114 in Revo cannot detect external rate correctly.
* No reason to stop capture stream due to incorrect checks */
spec->ak4114->check_flags = AK4114_CHECK_NO_RATE;
return 0; /* error ignored; it's no fatal error */
}
static int revo_init(struct snd_ice1712 *ice)
{
struct snd_akm4xxx *ak;
int err;
/* determine I2C, DACs and ADCs */
switch (ice->eeprom.subvendor) {
case VT1724_SUBDEVICE_REVOLUTION71:
ice->num_total_dacs = 8;
ice->num_total_adcs = 2;
ice->gpio.i2s_mclk_changed = revo_i2s_mclk_changed;
break;
case VT1724_SUBDEVICE_REVOLUTION51:
ice->num_total_dacs = 8;
ice->num_total_adcs = 2;
break;
case VT1724_SUBDEVICE_AUDIOPHILE192:
ice->num_total_dacs = 2;
ice->num_total_adcs = 2;
break;
default:
snd_BUG();
return -EINVAL;
}
/* second stage of initialization, analog parts and others */
ak = ice->akm = kcalloc(2, sizeof(struct snd_akm4xxx), GFP_KERNEL);
if (! ak)
return -ENOMEM;
switch (ice->eeprom.subvendor) {
case VT1724_SUBDEVICE_REVOLUTION71:
ice->akm_codecs = 2;
err = snd_ice1712_akm4xxx_init(ak, &akm_revo_front,
&akm_revo_front_priv, ice);
if (err < 0)
return err;
err = snd_ice1712_akm4xxx_init(ak+1, &akm_revo_surround,
&akm_revo_surround_priv, ice);
if (err < 0)
return err;
/* unmute all codecs */
snd_ice1712_gpio_write_bits(ice, VT1724_REVO_MUTE,
VT1724_REVO_MUTE);
break;
case VT1724_SUBDEVICE_REVOLUTION51:
ice->akm_codecs = 2;
err = snd_ice1712_akm4xxx_init(ak, &akm_revo51,
&akm_revo51_priv, ice);
if (err < 0)
return err;
err = snd_ice1712_akm4xxx_init(ak+1, &akm_revo51_adc,
&akm_revo51_adc_priv, ice);
if (err < 0)
return err;
err = revo51_i2c_init(ice, &ptc_revo51_volume);
if (err < 0)
return err;
/* unmute all codecs */
snd_ice1712_gpio_write_bits(ice, VT1724_REVO_MUTE,
VT1724_REVO_MUTE);
break;
case VT1724_SUBDEVICE_AUDIOPHILE192:
ice->akm_codecs = 1;
err = snd_ice1712_akm4xxx_init(ak, &akm_ap192, &akm_ap192_priv,
ice);
if (err < 0)
return err;
err = ap192_ak4114_init(ice);
if (err < 0)
return err;
/* unmute all codecs */
snd_ice1712_gpio_write_bits(ice, VT1724_REVO_MUTE,
VT1724_REVO_MUTE);
break;
}
return 0;
}
static int revo_add_controls(struct snd_ice1712 *ice)
{
struct revo51_spec *spec = ice->spec;
int err;
switch (ice->eeprom.subvendor) {
case VT1724_SUBDEVICE_REVOLUTION71:
err = snd_ice1712_akm4xxx_build_controls(ice);
if (err < 0)
return err;
break;
case VT1724_SUBDEVICE_REVOLUTION51:
err = snd_ice1712_akm4xxx_build_controls(ice);
if (err < 0)
return err;
spec = ice->spec;
err = snd_pt2258_build_controls(spec->pt2258);
if (err < 0)
return err;
break;
case VT1724_SUBDEVICE_AUDIOPHILE192:
err = snd_ice1712_akm4xxx_build_controls(ice);
if (err < 0)
return err;
/* only capture SPDIF over AK4114 */
err = snd_ak4114_build(spec->ak4114, NULL,
ice->pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream);
if (err < 0)
return err;
break;
}
return 0;
}
/* entry point */
struct snd_ice1712_card_info snd_vt1724_revo_cards[] = {
{
.subvendor = VT1724_SUBDEVICE_REVOLUTION71,
.name = "M Audio Revolution-7.1",
.model = "revo71",
.chip_init = revo_init,
.build_controls = revo_add_controls,
},
{
.subvendor = VT1724_SUBDEVICE_REVOLUTION51,
.name = "M Audio Revolution-5.1",
.model = "revo51",
.chip_init = revo_init,
.build_controls = revo_add_controls,
},
{
.subvendor = VT1724_SUBDEVICE_AUDIOPHILE192,
.name = "M Audio Audiophile192",
.model = "ap192",
.chip_init = revo_init,
.build_controls = revo_add_controls,
},
{ } /* terminator */
};