![Clément Guedez](/assets/img/avatar_default.png)
Add sampling rate control for ADC/DAC for ESI W192M. Allow to switch between 48K/96K/192K sampling rate. All DAC need to be mute when changing samplerate. Signed-off-by: Clément Guedez <klem.dev@gmail.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
647 lines
16 KiB
C
647 lines
16 KiB
C
/*
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* ALSA driver for ICEnsemble VT1724 (Envy24HT)
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*
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* Lowlevel functions for Ego Sys Waveterminal 192M
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*
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* Copyright (c) 2006 Guedez Clement <klem.dev@gmail.com>
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* Some functions are taken from the Prodigy192 driver
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* source
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#include <linux/delay.h>
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#include <linux/interrupt.h>
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#include <linux/init.h>
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#include <sound/core.h>
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#include <sound/tlv.h>
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#include <linux/slab.h>
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#include "ice1712.h"
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#include "envy24ht.h"
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#include "wtm.h"
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#include "stac946x.h"
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struct wtm_spec {
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/* rate change needs atomic mute/unmute of all dacs*/
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struct mutex mute_mutex;
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};
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/*
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* 2*ADC 6*DAC no1 ringbuffer r/w on i2c bus
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*/
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static inline void stac9460_put(struct snd_ice1712 *ice, int reg,
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unsigned char val)
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{
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snd_vt1724_write_i2c(ice, STAC9460_I2C_ADDR, reg, val);
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}
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static inline unsigned char stac9460_get(struct snd_ice1712 *ice, int reg)
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{
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return snd_vt1724_read_i2c(ice, STAC9460_I2C_ADDR, reg);
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}
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/*
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* 2*ADC 2*DAC no2 ringbuffer r/w on i2c bus
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*/
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static inline void stac9460_2_put(struct snd_ice1712 *ice, int reg,
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unsigned char val)
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{
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snd_vt1724_write_i2c(ice, STAC9460_2_I2C_ADDR, reg, val);
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}
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static inline unsigned char stac9460_2_get(struct snd_ice1712 *ice, int reg)
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{
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return snd_vt1724_read_i2c(ice, STAC9460_2_I2C_ADDR, reg);
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}
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/*
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* DAC mute control
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*/
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static void stac9460_dac_mute_all(struct snd_ice1712 *ice, unsigned char mute,
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unsigned short int *change_mask)
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{
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unsigned char new, old;
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int id, idx, change;
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/*stac9460 1*/
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for (id = 0; id < 7; id++) {
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if (*change_mask & (0x01 << id)) {
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if (id == 0)
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idx = STAC946X_MASTER_VOLUME;
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else
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idx = STAC946X_LF_VOLUME - 1 + id;
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old = stac9460_get(ice, idx);
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new = (~mute << 7 & 0x80) | (old & ~0x80);
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change = (new != old);
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if (change) {
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stac9460_put(ice, idx, new);
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*change_mask = *change_mask | (0x01 << id);
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} else {
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*change_mask = *change_mask & ~(0x01 << id);
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}
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}
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}
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/*stac9460 2*/
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for (id = 0; id < 3; id++) {
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if (*change_mask & (0x01 << (id + 7))) {
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if (id == 0)
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idx = STAC946X_MASTER_VOLUME;
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else
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idx = STAC946X_LF_VOLUME - 1 + id;
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old = stac9460_2_get(ice, idx);
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new = (~mute << 7 & 0x80) | (old & ~0x80);
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change = (new != old);
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if (change) {
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stac9460_2_put(ice, idx, new);
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*change_mask = *change_mask | (0x01 << id);
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} else {
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*change_mask = *change_mask & ~(0x01 << id);
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}
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}
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}
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}
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#define stac9460_dac_mute_info snd_ctl_boolean_mono_info
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static int stac9460_dac_mute_get(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
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struct wtm_spec *spec = ice->spec;
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unsigned char val;
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int idx, id;
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mutex_lock(&spec->mute_mutex);
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if (kcontrol->private_value) {
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idx = STAC946X_MASTER_VOLUME;
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id = 0;
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} else {
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id = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
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idx = id + STAC946X_LF_VOLUME;
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}
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if (id < 6)
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val = stac9460_get(ice, idx);
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else
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val = stac9460_2_get(ice, idx - 6);
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ucontrol->value.integer.value[0] = (~val >> 7) & 0x1;
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mutex_unlock(&spec->mute_mutex);
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return 0;
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}
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static int stac9460_dac_mute_put(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
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unsigned char new, old;
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int id, idx;
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int change;
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if (kcontrol->private_value) {
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idx = STAC946X_MASTER_VOLUME;
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old = stac9460_get(ice, idx);
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new = (~ucontrol->value.integer.value[0] << 7 & 0x80) |
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(old & ~0x80);
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change = (new != old);
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if (change) {
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stac9460_put(ice, idx, new);
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stac9460_2_put(ice, idx, new);
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}
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} else {
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id = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
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idx = id + STAC946X_LF_VOLUME;
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if (id < 6)
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old = stac9460_get(ice, idx);
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else
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old = stac9460_2_get(ice, idx - 6);
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new = (~ucontrol->value.integer.value[0] << 7 & 0x80) |
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(old & ~0x80);
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change = (new != old);
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if (change) {
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if (id < 6)
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stac9460_put(ice, idx, new);
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else
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stac9460_2_put(ice, idx - 6, new);
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}
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}
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return change;
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}
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/*
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* DAC volume attenuation mixer control
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*/
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static int stac9460_dac_vol_info(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_info *uinfo)
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{
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uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
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uinfo->count = 1;
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uinfo->value.integer.min = 0; /* mute */
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uinfo->value.integer.max = 0x7f; /* 0dB */
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return 0;
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}
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static int stac9460_dac_vol_get(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
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int idx, id;
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unsigned char vol;
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if (kcontrol->private_value) {
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idx = STAC946X_MASTER_VOLUME;
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id = 0;
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} else {
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id = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
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idx = id + STAC946X_LF_VOLUME;
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}
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if (id < 6)
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vol = stac9460_get(ice, idx) & 0x7f;
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else
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vol = stac9460_2_get(ice, idx - 6) & 0x7f;
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ucontrol->value.integer.value[0] = 0x7f - vol;
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return 0;
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}
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static int stac9460_dac_vol_put(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
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int idx, id;
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unsigned char tmp, ovol, nvol;
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int change;
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if (kcontrol->private_value) {
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idx = STAC946X_MASTER_VOLUME;
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nvol = ucontrol->value.integer.value[0] & 0x7f;
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tmp = stac9460_get(ice, idx);
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ovol = 0x7f - (tmp & 0x7f);
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change = (ovol != nvol);
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if (change) {
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stac9460_put(ice, idx, (0x7f - nvol) | (tmp & 0x80));
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stac9460_2_put(ice, idx, (0x7f - nvol) | (tmp & 0x80));
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}
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} else {
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id = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
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idx = id + STAC946X_LF_VOLUME;
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nvol = ucontrol->value.integer.value[0] & 0x7f;
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if (id < 6)
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tmp = stac9460_get(ice, idx);
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else
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tmp = stac9460_2_get(ice, idx - 6);
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ovol = 0x7f - (tmp & 0x7f);
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change = (ovol != nvol);
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if (change) {
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if (id < 6)
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stac9460_put(ice, idx, (0x7f - nvol) |
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(tmp & 0x80));
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else
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stac9460_2_put(ice, idx-6, (0x7f - nvol) |
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(tmp & 0x80));
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}
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}
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return change;
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}
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/*
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* ADC mute control
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*/
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#define stac9460_adc_mute_info snd_ctl_boolean_stereo_info
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static int stac9460_adc_mute_get(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
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unsigned char val;
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int i, id;
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id = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
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if (id == 0) {
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for (i = 0; i < 2; ++i) {
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val = stac9460_get(ice, STAC946X_MIC_L_VOLUME + i);
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ucontrol->value.integer.value[i] = ~val>>7 & 0x1;
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}
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} else {
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for (i = 0; i < 2; ++i) {
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val = stac9460_2_get(ice, STAC946X_MIC_L_VOLUME + i);
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ucontrol->value.integer.value[i] = ~val>>7 & 0x1;
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}
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}
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return 0;
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}
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static int stac9460_adc_mute_put(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
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unsigned char new, old;
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int i, reg, id;
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int change;
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id = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
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if (id == 0) {
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for (i = 0; i < 2; ++i) {
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reg = STAC946X_MIC_L_VOLUME + i;
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old = stac9460_get(ice, reg);
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new = (~ucontrol->value.integer.value[i]<<7&0x80) |
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(old&~0x80);
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change = (new != old);
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if (change)
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stac9460_put(ice, reg, new);
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}
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} else {
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for (i = 0; i < 2; ++i) {
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reg = STAC946X_MIC_L_VOLUME + i;
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old = stac9460_2_get(ice, reg);
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new = (~ucontrol->value.integer.value[i]<<7&0x80) |
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(old&~0x80);
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change = (new != old);
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if (change)
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stac9460_2_put(ice, reg, new);
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}
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}
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return change;
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}
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/*
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*ADC gain mixer control
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*/
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static int stac9460_adc_vol_info(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_info *uinfo)
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{
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uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
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uinfo->count = 2;
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uinfo->value.integer.min = 0; /* 0dB */
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uinfo->value.integer.max = 0x0f; /* 22.5dB */
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return 0;
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}
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static int stac9460_adc_vol_get(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
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int i, reg, id;
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unsigned char vol;
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id = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
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if (id == 0) {
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for (i = 0; i < 2; ++i) {
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reg = STAC946X_MIC_L_VOLUME + i;
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vol = stac9460_get(ice, reg) & 0x0f;
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ucontrol->value.integer.value[i] = 0x0f - vol;
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}
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} else {
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for (i = 0; i < 2; ++i) {
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reg = STAC946X_MIC_L_VOLUME + i;
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vol = stac9460_2_get(ice, reg) & 0x0f;
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ucontrol->value.integer.value[i] = 0x0f - vol;
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}
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}
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return 0;
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}
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static int stac9460_adc_vol_put(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
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int i, reg, id;
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unsigned char ovol, nvol;
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int change;
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id = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
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if (id == 0) {
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for (i = 0; i < 2; ++i) {
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reg = STAC946X_MIC_L_VOLUME + i;
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nvol = ucontrol->value.integer.value[i] & 0x0f;
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ovol = 0x0f - stac9460_get(ice, reg);
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change = ((ovol & 0x0f) != nvol);
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if (change)
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stac9460_put(ice, reg, (0x0f - nvol) |
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(ovol & ~0x0f));
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}
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} else {
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for (i = 0; i < 2; ++i) {
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reg = STAC946X_MIC_L_VOLUME + i;
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nvol = ucontrol->value.integer.value[i] & 0x0f;
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ovol = 0x0f - stac9460_2_get(ice, reg);
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change = ((ovol & 0x0f) != nvol);
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if (change)
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stac9460_2_put(ice, reg, (0x0f - nvol) |
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(ovol & ~0x0f));
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}
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}
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return change;
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}
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/*
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* MIC / LINE switch fonction
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*/
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static int stac9460_mic_sw_info(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_info *uinfo)
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{
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static const char * const texts[2] = { "Line In", "Mic" };
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return snd_ctl_enum_info(uinfo, 1, 2, texts);
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}
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static int stac9460_mic_sw_get(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
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unsigned char val;
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int id;
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id = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
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if (id == 0)
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val = stac9460_get(ice, STAC946X_GENERAL_PURPOSE);
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else
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val = stac9460_2_get(ice, STAC946X_GENERAL_PURPOSE);
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ucontrol->value.enumerated.item[0] = (val >> 7) & 0x1;
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return 0;
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}
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static int stac9460_mic_sw_put(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
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unsigned char new, old;
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int change, id;
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id = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
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if (id == 0)
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old = stac9460_get(ice, STAC946X_GENERAL_PURPOSE);
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else
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old = stac9460_2_get(ice, STAC946X_GENERAL_PURPOSE);
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new = (ucontrol->value.enumerated.item[0] << 7 & 0x80) | (old & ~0x80);
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change = (new != old);
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if (change) {
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if (id == 0)
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stac9460_put(ice, STAC946X_GENERAL_PURPOSE, new);
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else
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stac9460_2_put(ice, STAC946X_GENERAL_PURPOSE, new);
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}
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return change;
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}
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/*
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* Handler for setting correct codec rate - called when rate change is detected
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*/
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static void stac9460_set_rate_val(struct snd_ice1712 *ice, unsigned int rate)
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{
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unsigned char old, new;
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unsigned short int changed;
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struct wtm_spec *spec = ice->spec;
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if (rate == 0) /* no hint - S/PDIF input is master, simply return */
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return;
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else if (rate <= 48000)
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new = 0x08; /* 256x, base rate mode */
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else if (rate <= 96000)
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new = 0x11; /* 256x, mid rate mode */
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else
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new = 0x12; /* 128x, high rate mode */
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old = stac9460_get(ice, STAC946X_MASTER_CLOCKING);
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if (old == new)
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return;
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/* change detected, setting master clock, muting first */
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/* due to possible conflicts with mute controls - mutexing */
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mutex_lock(&spec->mute_mutex);
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/* we have to remember current mute status for each DAC */
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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*/
|
|
};
|