// SPDX-License-Identifier: GPL-2.0-or-later
/*
* ALSA driver for ICEnsemble ICE1712 (Envy24)
*
* Lowlevel functions for Hoontech STDSP24
*
* Copyright (c) 2000 Jaroslav Kysela <[email protected]>
*/
#include <linux/delay.h>
#include <linux/interrupt.h>
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/mutex.h>
#include <sound/core.h>
#include "ice1712.h"
#include "hoontech.h"
/* Hoontech-specific setting */
struct hoontech_spec {
unsigned char boxbits[4];
unsigned int config;
unsigned short boxconfig[4];
};
static void snd_ice1712_stdsp24_gpio_write(struct snd_ice1712 *ice, unsigned char byte)
{
byte |= ICE1712_STDSP24_CLOCK_BIT;
udelay(100);
snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, byte);
byte &= ~ICE1712_STDSP24_CLOCK_BIT;
udelay(100);
snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, byte);
byte |= ICE1712_STDSP24_CLOCK_BIT;
udelay(100);
snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, byte);
}
static void snd_ice1712_stdsp24_darear(struct snd_ice1712 *ice, int activate)
{
struct hoontech_spec *spec = ice->spec;
mutex_lock(&ice->gpio_mutex);
ICE1712_STDSP24_0_DAREAR(spec->boxbits, activate);
snd_ice1712_stdsp24_gpio_write(ice, spec->boxbits[0]);
mutex_unlock(&ice->gpio_mutex);
}
static void snd_ice1712_stdsp24_mute(struct snd_ice1712 *ice, int activate)
{
struct hoontech_spec *spec = ice->spec;
mutex_lock(&ice->gpio_mutex);
ICE1712_STDSP24_3_MUTE(spec->boxbits, activate);
snd_ice1712_stdsp24_gpio_write(ice, spec->boxbits[3]);
mutex_unlock(&ice->gpio_mutex);
}
static void snd_ice1712_stdsp24_insel(struct snd_ice1712 *ice, int activate)
{
struct hoontech_spec *spec = ice->spec;
mutex_lock(&ice->gpio_mutex);
ICE1712_STDSP24_3_INSEL(spec->boxbits, activate);
snd_ice1712_stdsp24_gpio_write(ice, spec->boxbits[3]);
mutex_unlock(&ice->gpio_mutex);
}
static void snd_ice1712_stdsp24_box_channel(struct snd_ice1712 *ice, int box, int chn, int activate)
{
struct hoontech_spec *spec = ice->spec;
mutex_lock(&ice->gpio_mutex);
/* select box */
ICE1712_STDSP24_0_BOX(spec->boxbits, box);
snd_ice1712_stdsp24_gpio_write(ice, spec->boxbits[0]);
/* prepare for write */
if (chn == 3)
ICE1712_STDSP24_2_CHN4(spec->boxbits, 0);
ICE1712_STDSP24_2_MIDI1(spec->boxbits, activate);
snd_ice1712_stdsp24_gpio_write(ice, spec->boxbits[2]);
snd_ice1712_stdsp24_gpio_write(ice, spec->boxbits[3]);
ICE1712_STDSP24_1_CHN1(spec->boxbits, 1);
ICE1712_STDSP24_1_CHN2(spec->boxbits, 1);
ICE1712_STDSP24_1_CHN3(spec->boxbits, 1);
ICE1712_STDSP24_2_CHN4(spec->boxbits, 1);
snd_ice1712_stdsp24_gpio_write(ice, spec->boxbits[1]);
snd_ice1712_stdsp24_gpio_write(ice, spec->boxbits[2]);
udelay(100);
if (chn == 3) {
ICE1712_STDSP24_2_CHN4(spec->boxbits, 0);
snd_ice1712_stdsp24_gpio_write(ice, spec->boxbits[2]);
} else {
switch (chn) {
case 0: ICE1712_STDSP24_1_CHN1(spec->boxbits, 0); break;
case 1: ICE1712_STDSP24_1_CHN2(spec->boxbits, 0); break;
case 2: ICE1712_STDSP24_1_CHN3(spec->boxbits, 0); break;
}
snd_ice1712_stdsp24_gpio_write(ice, spec->boxbits[1]);
}
udelay(100);
ICE1712_STDSP24_1_CHN1(spec->boxbits, 1);
ICE1712_STDSP24_1_CHN2(spec->boxbits, 1);
ICE1712_STDSP24_1_CHN3(spec->boxbits, 1);
ICE1712_STDSP24_2_CHN4(spec->boxbits, 1);
snd_ice1712_stdsp24_gpio_write(ice, spec->boxbits[1]);
snd_ice1712_stdsp24_gpio_write(ice, spec->boxbits[2]);
udelay(100);
ICE1712_STDSP24_2_MIDI1(spec->boxbits, 0);
snd_ice1712_stdsp24_gpio_write(ice, spec->boxbits[2]);
mutex_unlock(&ice->gpio_mutex);
}
static void snd_ice1712_stdsp24_box_midi(struct snd_ice1712 *ice, int box, int master)
{
struct hoontech_spec *spec = ice->spec;
mutex_lock(&ice->gpio_mutex);
/* select box */
ICE1712_STDSP24_0_BOX(spec->boxbits, box);
snd_ice1712_stdsp24_gpio_write(ice, spec->boxbits[0]);
ICE1712_STDSP24_2_MIDIIN(spec->boxbits, 1);
ICE1712_STDSP24_2_MIDI1(spec->boxbits, master);
snd_ice1712_stdsp24_gpio_write(ice, spec->boxbits[2]);
snd_ice1712_stdsp24_gpio_write(ice, spec->boxbits[3]);
udelay(100);
ICE1712_STDSP24_2_MIDIIN(spec->boxbits, 0);
snd_ice1712_stdsp24_gpio_write(ice, spec->boxbits[2]);
mdelay(10);
ICE1712_STDSP24_2_MIDIIN(spec->boxbits, 1);
snd_ice1712_stdsp24_gpio_write(ice, spec->boxbits[2]);
mutex_unlock(&ice->gpio_mutex);
}
static void snd_ice1712_stdsp24_midi2(struct snd_ice1712 *ice, int activate)
{
struct hoontech_spec *spec = ice->spec;
mutex_lock(&ice->gpio_mutex);
ICE1712_STDSP24_3_MIDI2(spec->boxbits, activate);
snd_ice1712_stdsp24_gpio_write(ice, spec->boxbits[3]);
mutex_unlock(&ice->gpio_mutex);
}
static int hoontech_init(struct snd_ice1712 *ice, bool staudio)
{
struct hoontech_spec *spec;
int box, chn;
ice->num_total_dacs = 8;
ice->num_total_adcs = 8;
spec = kzalloc(sizeof(*spec), GFP_KERNEL);
if (!spec)
return -ENOMEM;
ice->spec = spec;
ICE1712_STDSP24_SET_ADDR(spec->boxbits, 0);
ICE1712_STDSP24_CLOCK(spec->boxbits, 0, 1);
ICE1712_STDSP24_0_BOX(spec->boxbits, 0);
ICE1712_STDSP24_0_DAREAR(spec->boxbits, 0);
ICE1712_STDSP24_SET_ADDR(spec->boxbits, 1);
ICE1712_STDSP24_CLOCK(spec->boxbits, 1, 1);
ICE1712_STDSP24_1_CHN1(spec->boxbits, 1);
ICE1712_STDSP24_1_CHN2(spec->boxbits, 1);
ICE1712_STDSP24_1_CHN3(spec->boxbits, 1);
ICE1712_STDSP24_SET_ADDR(spec->boxbits, 2);
ICE1712_STDSP24_CLOCK(spec->boxbits, 2, 1);
ICE1712_STDSP24_2_CHN4(spec->boxbits, 1);
ICE1712_STDSP24_2_MIDIIN(spec->boxbits, 1);
ICE1712_STDSP24_2_MIDI1(spec->boxbits, 0);
ICE1712_STDSP24_SET_ADDR(spec->boxbits, 3);
ICE1712_STDSP24_CLOCK(spec->boxbits, 3, 1);
ICE1712_STDSP24_3_MIDI2(spec->boxbits, 0);
ICE1712_STDSP24_3_MUTE(spec->boxbits, 1);
ICE1712_STDSP24_3_INSEL(spec->boxbits, 0);
/* let's go - activate only functions in first box */
if (staudio)
spec->config = ICE1712_STDSP24_MUTE;
else
spec->config = 0;
/* ICE1712_STDSP24_MUTE |
ICE1712_STDSP24_INSEL |
ICE1712_STDSP24_DAREAR; */
/* These boxconfigs have caused problems in the past.
* The code is not optimal, but should now enable a working config to
* be achieved.
* ** MIDI IN can only be configured on one box **
* ICE1712_STDSP24_BOX_MIDI1 needs to be set for that box.
* Tests on a ADAC2000 box suggest the box config flags do not
* work as would be expected, and the inputs are crossed.
* Setting ICE1712_STDSP24_BOX_MIDI1 and ICE1712_STDSP24_BOX_MIDI2
* on the same box connects MIDI-In to both 401 uarts; both outputs
* are then active on all boxes.
* The default config here sets up everything on the first box.
* Alan Horstmann 5.2.2008
*/
spec->boxconfig[0] = ICE1712_STDSP24_BOX_CHN1 |
ICE1712_STDSP24_BOX_CHN2 |
ICE1712_STDSP24_BOX_CHN3 |
ICE1712_STDSP24_BOX_CHN4 |
ICE1712_STDSP24_BOX_MIDI1 |
ICE1712_STDSP24_BOX_MIDI2;
if (staudio) {
spec->boxconfig[1] =
spec->boxconfig[2] =
spec->boxconfig[3] = spec->boxconfig[0];
} else {
spec->boxconfig[1] =
spec->boxconfig[2] =
spec->boxconfig[3] = 0;
}
snd_ice1712_stdsp24_darear(ice,
(spec->config & ICE1712_STDSP24_DAREAR) ? 1 : 0);
snd_ice1712_stdsp24_mute(ice,
(spec->config & ICE1712_STDSP24_MUTE) ? 1 : 0);
snd_ice1712_stdsp24_insel(ice,
(spec->config & ICE1712_STDSP24_INSEL) ? 1 : 0);
for (box = 0; box < 4; box++) {
if (spec->boxconfig[box] & ICE1712_STDSP24_BOX_MIDI2)
snd_ice1712_stdsp24_midi2(ice, 1);
for (chn = 0; chn < 4; chn++)
snd_ice1712_stdsp24_box_channel(ice, box, chn,
(spec->boxconfig[box] & (1 << chn)) ? 1 : 0);
if (spec->boxconfig[box] & ICE1712_STDSP24_BOX_MIDI1)
snd_ice1712_stdsp24_box_midi(ice, box, 1);
}
return 0;
}
static int snd_ice1712_hoontech_init(struct snd_ice1712 *ice)
{
return hoontech_init(ice, false);
}
static int snd_ice1712_staudio_init(struct snd_ice1712 *ice)
{
return hoontech_init(ice, true);
}
/*
* AK4524 access
*/
/* start callback for STDSP24 with modified hardware */
static void stdsp24_ak4524_lock(struct snd_akm4xxx *ak, int chip)
{
struct snd_ice1712 *ice = ak->private_data[0];
unsigned char tmp;
snd_ice1712_save_gpio_status(ice);
tmp = ICE1712_STDSP24_SERIAL_DATA |
ICE1712_STDSP24_SERIAL_CLOCK |
ICE1712_STDSP24_AK4524_CS;
snd_ice1712_write(ice, ICE1712_IREG_GPIO_DIRECTION,
ice->gpio.direction | tmp);
snd_ice1712_write(ice, ICE1712_IREG_GPIO_WRITE_MASK, ~tmp);
}
static int snd_ice1712_value_init(struct snd_ice1712 *ice)
{
/* Hoontech STDSP24 with modified hardware */
static const struct snd_akm4xxx akm_stdsp24_mv = {
.num_adcs = 2,
.num_dacs = 2,
.type = SND_AK4524,
.ops = {
.lock = stdsp24_ak4524_lock
}
};
static const struct snd_ak4xxx_private akm_stdsp24_mv_priv = {
.caddr = 2,
.cif = 1, /* CIF high */
.data_mask = ICE1712_STDSP24_SERIAL_DATA,
.clk_mask = ICE1712_STDSP24_SERIAL_CLOCK,
.cs_mask = ICE1712_STDSP24_AK4524_CS,
.cs_addr = ICE1712_STDSP24_AK4524_CS,
.cs_none = 0,
.add_flags = 0,
};
int err;
struct snd_akm4xxx *ak;
/* set the analog DACs */
ice->num_total_dacs = 2;
/* set the analog ADCs */
ice->num_total_adcs = 2;
/* analog section */
ak = ice->akm = kmalloc(sizeof(struct snd_akm4xxx), GFP_KERNEL);
if (! ak)
return -ENOMEM;
ice->akm_codecs = 1;
err = snd_ice1712_akm4xxx_init(ak, &akm_stdsp24_mv, &akm_stdsp24_mv_priv, ice);
if (err < 0)
return err;
/* ak4524 controls */
return snd_ice1712_akm4xxx_build_controls(ice);
}
static int snd_ice1712_ez8_init(struct snd_ice1712 *ice)
{
ice->gpio.write_mask = ice->eeprom.gpiomask;
ice->gpio.direction = ice->eeprom.gpiodir;
snd_ice1712_write(ice, ICE1712_IREG_GPIO_WRITE_MASK, ice->eeprom.gpiomask);
snd_ice1712_write(ice, ICE1712_IREG_GPIO_DIRECTION, ice->eeprom.gpiodir);
snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, ice->eeprom.gpiostate);
return 0;
}
/* entry point */
struct snd_ice1712_card_info snd_ice1712_hoontech_cards[] = {
{
.subvendor = ICE1712_SUBDEVICE_STDSP24,
.name = "Hoontech SoundTrack Audio DSP24",
.model = "dsp24",
.chip_init = snd_ice1712_hoontech_init,
.mpu401_1_name = "MIDI-1 Hoontech/STA DSP24",
.mpu401_2_name = "MIDI-2 Hoontech/STA DSP24",
},
{
.subvendor = ICE1712_SUBDEVICE_STDSP24_VALUE, /* a dummy id */
.name = "Hoontech SoundTrack Audio DSP24 Value",
.model = "dsp24_value",
.chip_init = snd_ice1712_value_init,
},
{
.subvendor = ICE1712_SUBDEVICE_STDSP24_MEDIA7_1,
.name = "Hoontech STA DSP24 Media 7.1",
.model = "dsp24_71",
.chip_init = snd_ice1712_hoontech_init,
},
{
.subvendor = ICE1712_SUBDEVICE_EVENT_EZ8, /* a dummy id */
.name = "Event Electronics EZ8",
.model = "ez8",
.chip_init = snd_ice1712_ez8_init,
},
{
/* STAudio ADCIII has the same SSID as Hoontech StA DSP24,
* thus identified only via the explicit model option
*/
.subvendor = ICE1712_SUBDEVICE_STAUDIO_ADCIII, /* a dummy id */
.name = "STAudio ADCIII",
.model = "staudio",
.chip_init = snd_ice1712_staudio_init,
},
{ } /* terminator */
};
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