--- /dev/null
+/*
+ * 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
+ *
+ * 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 <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*/
+};
Code Review / kvmfornfv.git / blobdiff