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linux-next/sound/pci/ice1712/wtm.c
Thomas Gleixner 1a59d1b8e0 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 
Based on 1 normalized pattern(s):

  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

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-or-later

has been chosen to replace the boilerplate/reference in 1334 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Richard Fontana <rfontana@redhat.com>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190527070033.113240726@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-30 11:26:35 -07:00

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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* ALSA driver for ICEnsemble VT1724 (Envy24HT)
*
* Lowlevel functions for Ego Sys Waveterminal 192M
*
* Copyright (c) 2006 Guedez Clement <klem.dev@gmail.com>
* Some functions are taken from the Prodigy192 driver
* source
*/
#include <linux/delay.h>
#include <linux/interrupt.h>
#include <linux/init.h>
#include <sound/core.h>
#include <sound/tlv.h>
#include <linux/slab.h>
#include "ice1712.h"
#include "envy24ht.h"
#include "wtm.h"
#include "stac946x.h"
struct wtm_spec {
/* rate change needs atomic mute/unmute of all dacs*/
struct mutex mute_mutex;
};
/*
* 2*ADC 6*DAC no1 ringbuffer r/w on i2c bus
*/
static inline void stac9460_put(struct snd_ice1712 *ice, int reg,
unsigned char val)
{
snd_vt1724_write_i2c(ice, STAC9460_I2C_ADDR, reg, val);
}
static inline unsigned char stac9460_get(struct snd_ice1712 *ice, int reg)
{
return snd_vt1724_read_i2c(ice, STAC9460_I2C_ADDR, reg);
}
/*
* 2*ADC 2*DAC no2 ringbuffer r/w on i2c bus
*/
static inline void stac9460_2_put(struct snd_ice1712 *ice, int reg,
unsigned char val)
{
snd_vt1724_write_i2c(ice, STAC9460_2_I2C_ADDR, reg, val);
}
static inline unsigned char stac9460_2_get(struct snd_ice1712 *ice, int reg)
{
return snd_vt1724_read_i2c(ice, STAC9460_2_I2C_ADDR, reg);
}
/*
* DAC mute control
*/
static void stac9460_dac_mute_all(struct snd_ice1712 *ice, unsigned char mute,
unsigned short int *change_mask)
{
unsigned char new, old;
int id, idx, change;
/*stac9460 1*/
for (id = 0; id < 7; id++) {
if (*change_mask & (0x01 << id)) {
if (id == 0)
idx = STAC946X_MASTER_VOLUME;
else
idx = STAC946X_LF_VOLUME - 1 + id;
old = stac9460_get(ice, idx);
new = (~mute << 7 & 0x80) | (old & ~0x80);
change = (new != old);
if (change) {
stac9460_put(ice, idx, new);
*change_mask = *change_mask | (0x01 << id);
} else {
*change_mask = *change_mask & ~(0x01 << id);
}
}
}
/*stac9460 2*/
for (id = 0; id < 3; id++) {
if (*change_mask & (0x01 << (id + 7))) {
if (id == 0)
idx = STAC946X_MASTER_VOLUME;
else
idx = STAC946X_LF_VOLUME - 1 + id;
old = stac9460_2_get(ice, idx);
new = (~mute << 7 & 0x80) | (old & ~0x80);
change = (new != old);
if (change) {
stac9460_2_put(ice, idx, new);
*change_mask = *change_mask | (0x01 << id);
} else {
*change_mask = *change_mask & ~(0x01 << id);
}
}
}
}
#define stac9460_dac_mute_info snd_ctl_boolean_mono_info
static int stac9460_dac_mute_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
struct wtm_spec *spec = ice->spec;
unsigned char val;
int idx, id;
mutex_lock(&spec->mute_mutex);
if (kcontrol->private_value) {
idx = STAC946X_MASTER_VOLUME;
id = 0;
} else {
id = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
idx = id + STAC946X_LF_VOLUME;
}
if (id < 6)
val = stac9460_get(ice, idx);
else
val = stac9460_2_get(ice, idx - 6);
ucontrol->value.integer.value[0] = (~val >> 7) & 0x1;
mutex_unlock(&spec->mute_mutex);
return 0;
}
static int stac9460_dac_mute_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
unsigned char new, old;
int id, idx;
int change;
if (kcontrol->private_value) {
idx = STAC946X_MASTER_VOLUME;
old = stac9460_get(ice, idx);
new = (~ucontrol->value.integer.value[0] << 7 & 0x80) |
(old & ~0x80);
change = (new != old);
if (change) {
stac9460_put(ice, idx, new);
stac9460_2_put(ice, idx, new);
}
} else {
id = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
idx = id + STAC946X_LF_VOLUME;
if (id < 6)
old = stac9460_get(ice, idx);
else
old = stac9460_2_get(ice, idx - 6);
new = (~ucontrol->value.integer.value[0] << 7 & 0x80) |
(old & ~0x80);
change = (new != old);
if (change) {
if (id < 6)
stac9460_put(ice, idx, new);
else
stac9460_2_put(ice, idx - 6, new);
}
}
return change;
}
/*
* DAC volume attenuation mixer control
*/
static int stac9460_dac_vol_info(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
uinfo->count = 1;
uinfo->value.integer.min = 0; /* mute */
uinfo->value.integer.max = 0x7f; /* 0dB */
return 0;
}
static int stac9460_dac_vol_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
int idx, id;
unsigned char vol;
if (kcontrol->private_value) {
idx = STAC946X_MASTER_VOLUME;
id = 0;
} else {
id = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
idx = id + STAC946X_LF_VOLUME;
}
if (id < 6)
vol = stac9460_get(ice, idx) & 0x7f;
else
vol = stac9460_2_get(ice, idx - 6) & 0x7f;
ucontrol->value.integer.value[0] = 0x7f - vol;
return 0;
}
static int stac9460_dac_vol_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
int idx, id;
unsigned char tmp, ovol, nvol;
int change;
if (kcontrol->private_value) {
idx = STAC946X_MASTER_VOLUME;
nvol = ucontrol->value.integer.value[0] & 0x7f;
tmp = stac9460_get(ice, idx);
ovol = 0x7f - (tmp & 0x7f);
change = (ovol != nvol);
if (change) {
stac9460_put(ice, idx, (0x7f - nvol) | (tmp & 0x80));
stac9460_2_put(ice, idx, (0x7f - nvol) | (tmp & 0x80));
}
} else {
id = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
idx = id + STAC946X_LF_VOLUME;
nvol = ucontrol->value.integer.value[0] & 0x7f;
if (id < 6)
tmp = stac9460_get(ice, idx);
else
tmp = stac9460_2_get(ice, idx - 6);
ovol = 0x7f - (tmp & 0x7f);
change = (ovol != nvol);
if (change) {
if (id < 6)
stac9460_put(ice, idx, (0x7f - nvol) |
(tmp & 0x80));
else
stac9460_2_put(ice, idx-6, (0x7f - nvol) |
(tmp & 0x80));
}
}
return change;
}
/*
* ADC mute control
*/
#define stac9460_adc_mute_info snd_ctl_boolean_stereo_info
static int stac9460_adc_mute_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
unsigned char val;
int i, id;
id = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
if (id == 0) {
for (i = 0; i < 2; ++i) {
val = stac9460_get(ice, STAC946X_MIC_L_VOLUME + i);
ucontrol->value.integer.value[i] = ~val>>7 & 0x1;
}
} else {
for (i = 0; i < 2; ++i) {
val = stac9460_2_get(ice, STAC946X_MIC_L_VOLUME + i);
ucontrol->value.integer.value[i] = ~val>>7 & 0x1;
}
}
return 0;
}
static int stac9460_adc_mute_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
unsigned char new, old;
int i, reg, id;
int change;
id = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
if (id == 0) {
for (i = 0; i < 2; ++i) {
reg = STAC946X_MIC_L_VOLUME + i;
old = stac9460_get(ice, reg);
new = (~ucontrol->value.integer.value[i]<<7&0x80) |
(old&~0x80);
change = (new != old);
if (change)
stac9460_put(ice, reg, new);
}
} else {
for (i = 0; i < 2; ++i) {
reg = STAC946X_MIC_L_VOLUME + i;
old = stac9460_2_get(ice, reg);
new = (~ucontrol->value.integer.value[i]<<7&0x80) |
(old&~0x80);
change = (new != old);
if (change)
stac9460_2_put(ice, reg, new);
}
}
return change;
}
/*
*ADC gain mixer control
*/
static int stac9460_adc_vol_info(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
uinfo->count = 2;
uinfo->value.integer.min = 0; /* 0dB */
uinfo->value.integer.max = 0x0f; /* 22.5dB */
return 0;
}
static int stac9460_adc_vol_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
int i, reg, id;
unsigned char vol;
id = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
if (id == 0) {
for (i = 0; i < 2; ++i) {
reg = STAC946X_MIC_L_VOLUME + i;
vol = stac9460_get(ice, reg) & 0x0f;
ucontrol->value.integer.value[i] = 0x0f - vol;
}
} else {
for (i = 0; i < 2; ++i) {
reg = STAC946X_MIC_L_VOLUME + i;
vol = stac9460_2_get(ice, reg) & 0x0f;
ucontrol->value.integer.value[i] = 0x0f - vol;
}
}
return 0;
}
static int stac9460_adc_vol_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
int i, reg, id;
unsigned char ovol, nvol;
int change;
id = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
if (id == 0) {
for (i = 0; i < 2; ++i) {
reg = STAC946X_MIC_L_VOLUME + i;
nvol = ucontrol->value.integer.value[i] & 0x0f;
ovol = 0x0f - stac9460_get(ice, reg);
change = ((ovol & 0x0f) != nvol);
if (change)
stac9460_put(ice, reg, (0x0f - nvol) |
(ovol & ~0x0f));
}
} else {
for (i = 0; i < 2; ++i) {
reg = STAC946X_MIC_L_VOLUME + i;
nvol = ucontrol->value.integer.value[i] & 0x0f;
ovol = 0x0f - stac9460_2_get(ice, reg);
change = ((ovol & 0x0f) != nvol);
if (change)
stac9460_2_put(ice, reg, (0x0f - nvol) |
(ovol & ~0x0f));
}
}
return change;
}
/*
* MIC / LINE switch fonction
*/
static int stac9460_mic_sw_info(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
static const char * const texts[2] = { "Line In", "Mic" };
return snd_ctl_enum_info(uinfo, 1, 2, texts);
}
static int stac9460_mic_sw_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
unsigned char val;
int id;
id = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
if (id == 0)
val = stac9460_get(ice, STAC946X_GENERAL_PURPOSE);
else
val = stac9460_2_get(ice, STAC946X_GENERAL_PURPOSE);
ucontrol->value.enumerated.item[0] = (val >> 7) & 0x1;
return 0;
}
static int stac9460_mic_sw_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
unsigned char new, old;
int change, id;
id = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
if (id == 0)
old = stac9460_get(ice, STAC946X_GENERAL_PURPOSE);
else
old = stac9460_2_get(ice, STAC946X_GENERAL_PURPOSE);
new = (ucontrol->value.enumerated.item[0] << 7 & 0x80) | (old & ~0x80);
change = (new != old);
if (change) {
if (id == 0)
stac9460_put(ice, STAC946X_GENERAL_PURPOSE, new);
else
stac9460_2_put(ice, STAC946X_GENERAL_PURPOSE, new);
}
return change;
}
/*
* Handler for setting correct codec rate - called when rate change is detected
*/
static void stac9460_set_rate_val(struct snd_ice1712 *ice, unsigned int rate)
{
unsigned char old, new;
unsigned short int changed;
struct wtm_spec *spec = ice->spec;
if (rate == 0) /* no hint - S/PDIF input is master, simply return */
return;
else if (rate <= 48000)
new = 0x08; /* 256x, base rate mode */
else if (rate <= 96000)
new = 0x11; /* 256x, mid rate mode */
else
new = 0x12; /* 128x, high rate mode */
old = stac9460_get(ice, STAC946X_MASTER_CLOCKING);
if (old == new)
return;
/* change detected, setting master clock, muting first */
/* due to possible conflicts with mute controls - mutexing */
mutex_lock(&spec->mute_mutex);
/* we have to remember current mute status for each DAC */
changed = 0xFFFF;
stac9460_dac_mute_all(ice, 0, &changed);
/*printk(KERN_DEBUG "Rate change: %d, new MC: 0x%02x\n", rate, new);*/
stac9460_put(ice, STAC946X_MASTER_CLOCKING, new);
stac9460_2_put(ice, STAC946X_MASTER_CLOCKING, new);
udelay(10);
/* unmuting - only originally unmuted dacs -
* i.e. those changed when muting */
stac9460_dac_mute_all(ice, 1, &changed);
mutex_unlock(&spec->mute_mutex);
}
/*Limits value in dB for fader*/
static const DECLARE_TLV_DB_SCALE(db_scale_dac, -19125, 75, 0);
static const DECLARE_TLV_DB_SCALE(db_scale_adc, 0, 150, 0);
/*
* Control tabs
*/
static struct snd_kcontrol_new stac9640_controls[] = {
{
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
SNDRV_CTL_ELEM_ACCESS_TLV_READ),
.name = "Master Playback Switch",
.info = stac9460_dac_mute_info,
.get = stac9460_dac_mute_get,
.put = stac9460_dac_mute_put,
.private_value = 1,
.tlv = { .p = db_scale_dac }
},
{
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Master Playback Volume",
.info = stac9460_dac_vol_info,
.get = stac9460_dac_vol_get,
.put = stac9460_dac_vol_put,
.private_value = 1,
},
{
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "MIC/Line Input Enum",
.count = 2,
.info = stac9460_mic_sw_info,
.get = stac9460_mic_sw_get,
.put = stac9460_mic_sw_put,
},
{
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "DAC Switch",
.count = 8,
.info = stac9460_dac_mute_info,
.get = stac9460_dac_mute_get,
.put = stac9460_dac_mute_put,
},
{
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
SNDRV_CTL_ELEM_ACCESS_TLV_READ),
.name = "DAC Volume",
.count = 8,
.info = stac9460_dac_vol_info,
.get = stac9460_dac_vol_get,
.put = stac9460_dac_vol_put,
.tlv = { .p = db_scale_dac }
},
{
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "ADC Switch",
.count = 2,
.info = stac9460_adc_mute_info,
.get = stac9460_adc_mute_get,
.put = stac9460_adc_mute_put,
},
{
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
SNDRV_CTL_ELEM_ACCESS_TLV_READ),
.name = "ADC Volume",
.count = 2,
.info = stac9460_adc_vol_info,
.get = stac9460_adc_vol_get,
.put = stac9460_adc_vol_put,
.tlv = { .p = db_scale_adc }
}
};
/*INIT*/
static int wtm_add_controls(struct snd_ice1712 *ice)
{
unsigned int i;
int err;
for (i = 0; i < ARRAY_SIZE(stac9640_controls); i++) {
err = snd_ctl_add(ice->card,
snd_ctl_new1(&stac9640_controls[i], ice));
if (err < 0)
return err;
}
return 0;
}
static int wtm_init(struct snd_ice1712 *ice)
{
static unsigned short stac_inits_wtm[] = {
STAC946X_RESET, 0,
STAC946X_MASTER_CLOCKING, 0x11,
(unsigned short)-1
};
unsigned short *p;
struct wtm_spec *spec;
/*WTM 192M*/
ice->num_total_dacs = 8;
ice->num_total_adcs = 4;
ice->force_rdma1 = 1;
/*init mutex for dac mute conflict*/
spec = kzalloc(sizeof(*spec), GFP_KERNEL);
if (!spec)
return -ENOMEM;
ice->spec = spec;
mutex_init(&spec->mute_mutex);
/*initialize codec*/
p = stac_inits_wtm;
for (; *p != (unsigned short)-1; p += 2) {
stac9460_put(ice, p[0], p[1]);
stac9460_2_put(ice, p[0], p[1]);
}
ice->gpio.set_pro_rate = stac9460_set_rate_val;
return 0;
}
static unsigned char wtm_eeprom[] = {
[ICE_EEP2_SYSCONF] = 0x67, /*SYSCONF: clock 192KHz, mpu401,
4ADC, 8DAC */
[ICE_EEP2_ACLINK] = 0x80, /* ACLINK : I2S */
[ICE_EEP2_I2S] = 0xf8, /* I2S: vol; 96k, 24bit, 192k */
[ICE_EEP2_SPDIF] = 0xc1, /*SPDIF: out-en, spidf ext out*/
[ICE_EEP2_GPIO_DIR] = 0x9f,
[ICE_EEP2_GPIO_DIR1] = 0xff,
[ICE_EEP2_GPIO_DIR2] = 0x7f,
[ICE_EEP2_GPIO_MASK] = 0x9f,
[ICE_EEP2_GPIO_MASK1] = 0xff,
[ICE_EEP2_GPIO_MASK2] = 0x7f,
[ICE_EEP2_GPIO_STATE] = 0x16,
[ICE_EEP2_GPIO_STATE1] = 0x80,
[ICE_EEP2_GPIO_STATE2] = 0x00,
};
/*entry point*/
struct snd_ice1712_card_info snd_vt1724_wtm_cards[] = {
{
.subvendor = VT1724_SUBDEVICE_WTM,
.name = "ESI Waveterminal 192M",
.model = "WT192M",
.chip_init = wtm_init,
.build_controls = wtm_add_controls,
.eeprom_size = sizeof(wtm_eeprom),
.eeprom_data = wtm_eeprom,
},
{} /*terminator*/
};
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