![Takashi Iwai](/assets/img/avatar_default.png)
snd_pcm_hw_constraint_list(), *_ratnums() and *_ratdens() receive the const pointers. Constify the corresponding static objects for better hardening. Signed-off-by: Takashi Iwai <tiwai@suse.de>
763 lines
20 KiB
C
763 lines
20 KiB
C
/*
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* ALSA driver for ICEnsemble VT1724 (Envy24HT)
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*
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* Lowlevel functions for ESI Maya44 cards
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*
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* Copyright (c) 2009 Takashi Iwai <tiwai@suse.de>
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* Based on the patches by Rainer Zimmermann <mail@lightshed.de>
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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/init.h>
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#include <linux/slab.h>
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#include <sound/core.h>
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#include <sound/control.h>
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#include <sound/pcm.h>
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#include <sound/tlv.h>
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#include "ice1712.h"
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#include "envy24ht.h"
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#include "maya44.h"
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/* WM8776 register indexes */
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#define WM8776_REG_HEADPHONE_L 0x00
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#define WM8776_REG_HEADPHONE_R 0x01
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#define WM8776_REG_HEADPHONE_MASTER 0x02
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#define WM8776_REG_DAC_ATTEN_L 0x03
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#define WM8776_REG_DAC_ATTEN_R 0x04
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#define WM8776_REG_DAC_ATTEN_MASTER 0x05
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#define WM8776_REG_DAC_PHASE 0x06
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#define WM8776_REG_DAC_CONTROL 0x07
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#define WM8776_REG_DAC_MUTE 0x08
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#define WM8776_REG_DAC_DEEMPH 0x09
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#define WM8776_REG_DAC_IF_CONTROL 0x0a
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#define WM8776_REG_ADC_IF_CONTROL 0x0b
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#define WM8776_REG_MASTER_MODE_CONTROL 0x0c
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#define WM8776_REG_POWERDOWN 0x0d
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#define WM8776_REG_ADC_ATTEN_L 0x0e
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#define WM8776_REG_ADC_ATTEN_R 0x0f
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#define WM8776_REG_ADC_ALC1 0x10
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#define WM8776_REG_ADC_ALC2 0x11
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#define WM8776_REG_ADC_ALC3 0x12
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#define WM8776_REG_ADC_NOISE_GATE 0x13
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#define WM8776_REG_ADC_LIMITER 0x14
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#define WM8776_REG_ADC_MUX 0x15
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#define WM8776_REG_OUTPUT_MUX 0x16
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#define WM8776_REG_RESET 0x17
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#define WM8776_NUM_REGS 0x18
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/* clock ratio identifiers for snd_wm8776_set_rate() */
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#define WM8776_CLOCK_RATIO_128FS 0
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#define WM8776_CLOCK_RATIO_192FS 1
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#define WM8776_CLOCK_RATIO_256FS 2
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#define WM8776_CLOCK_RATIO_384FS 3
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#define WM8776_CLOCK_RATIO_512FS 4
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#define WM8776_CLOCK_RATIO_768FS 5
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enum { WM_VOL_HP, WM_VOL_DAC, WM_VOL_ADC, WM_NUM_VOLS };
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enum { WM_SW_DAC, WM_SW_BYPASS, WM_NUM_SWITCHES };
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struct snd_wm8776 {
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unsigned char addr;
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unsigned short regs[WM8776_NUM_REGS];
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unsigned char volumes[WM_NUM_VOLS][2];
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unsigned int switch_bits;
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};
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struct snd_maya44 {
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struct snd_ice1712 *ice;
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struct snd_wm8776 wm[2];
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struct mutex mutex;
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};
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/* write the given register and save the data to the cache */
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static void wm8776_write(struct snd_ice1712 *ice, struct snd_wm8776 *wm,
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unsigned char reg, unsigned short val)
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{
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/*
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* WM8776 registers are up to 9 bits wide, bit 8 is placed in the LSB
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* of the address field
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*/
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snd_vt1724_write_i2c(ice, wm->addr,
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(reg << 1) | ((val >> 8) & 1),
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val & 0xff);
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wm->regs[reg] = val;
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}
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/*
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* update the given register with and/or mask and save the data to the cache
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*/
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static int wm8776_write_bits(struct snd_ice1712 *ice, struct snd_wm8776 *wm,
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unsigned char reg,
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unsigned short mask, unsigned short val)
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{
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val |= wm->regs[reg] & ~mask;
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if (val != wm->regs[reg]) {
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wm8776_write(ice, wm, reg, val);
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return 1;
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}
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return 0;
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}
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/*
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* WM8776 volume controls
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*/
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struct maya_vol_info {
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unsigned int maxval; /* volume range: 0..maxval */
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unsigned char regs[2]; /* left and right registers */
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unsigned short mask; /* value mask */
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unsigned short offset; /* zero-value offset */
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unsigned short mute; /* mute bit */
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unsigned short update; /* update bits */
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unsigned char mux_bits[2]; /* extra bits for ADC mute */
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};
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static struct maya_vol_info vol_info[WM_NUM_VOLS] = {
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[WM_VOL_HP] = {
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.maxval = 80,
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.regs = { WM8776_REG_HEADPHONE_L, WM8776_REG_HEADPHONE_R },
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.mask = 0x7f,
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.offset = 0x30,
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.mute = 0x00,
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.update = 0x180, /* update and zero-cross enable */
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},
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[WM_VOL_DAC] = {
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.maxval = 255,
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.regs = { WM8776_REG_DAC_ATTEN_L, WM8776_REG_DAC_ATTEN_R },
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.mask = 0xff,
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.offset = 0x01,
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.mute = 0x00,
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.update = 0x100, /* zero-cross enable */
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},
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[WM_VOL_ADC] = {
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.maxval = 91,
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.regs = { WM8776_REG_ADC_ATTEN_L, WM8776_REG_ADC_ATTEN_R },
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.mask = 0xff,
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.offset = 0xa5,
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.mute = 0xa5,
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.update = 0x100, /* update */
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.mux_bits = { 0x80, 0x40 }, /* ADCMUX bits */
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},
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};
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/*
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* dB tables
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*/
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/* headphone output: mute, -73..+6db (1db step) */
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static const DECLARE_TLV_DB_SCALE(db_scale_hp, -7400, 100, 1);
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/* DAC output: mute, -127..0db (0.5db step) */
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static const DECLARE_TLV_DB_SCALE(db_scale_dac, -12750, 50, 1);
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/* ADC gain: mute, -21..+24db (0.5db step) */
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static const DECLARE_TLV_DB_SCALE(db_scale_adc, -2100, 50, 1);
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static int maya_vol_info(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_info *uinfo)
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{
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unsigned int idx = kcontrol->private_value;
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struct maya_vol_info *vol = &vol_info[idx];
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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;
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uinfo->value.integer.max = vol->maxval;
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return 0;
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}
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static int maya_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_maya44 *chip = snd_kcontrol_chip(kcontrol);
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struct snd_wm8776 *wm =
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&chip->wm[snd_ctl_get_ioff(kcontrol, &ucontrol->id)];
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unsigned int idx = kcontrol->private_value;
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mutex_lock(&chip->mutex);
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ucontrol->value.integer.value[0] = wm->volumes[idx][0];
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ucontrol->value.integer.value[1] = wm->volumes[idx][1];
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mutex_unlock(&chip->mutex);
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return 0;
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}
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static int maya_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_maya44 *chip = snd_kcontrol_chip(kcontrol);
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struct snd_wm8776 *wm =
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&chip->wm[snd_ctl_get_ioff(kcontrol, &ucontrol->id)];
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unsigned int idx = kcontrol->private_value;
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struct maya_vol_info *vol = &vol_info[idx];
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unsigned int val, data;
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int ch, changed = 0;
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mutex_lock(&chip->mutex);
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for (ch = 0; ch < 2; ch++) {
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val = ucontrol->value.integer.value[ch];
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if (val > vol->maxval)
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val = vol->maxval;
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if (val == wm->volumes[idx][ch])
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continue;
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if (!val)
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data = vol->mute;
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else
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data = (val - 1) + vol->offset;
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data |= vol->update;
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changed |= wm8776_write_bits(chip->ice, wm, vol->regs[ch],
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vol->mask | vol->update, data);
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if (vol->mux_bits[ch])
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wm8776_write_bits(chip->ice, wm, WM8776_REG_ADC_MUX,
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vol->mux_bits[ch],
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val ? 0 : vol->mux_bits[ch]);
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wm->volumes[idx][ch] = val;
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}
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mutex_unlock(&chip->mutex);
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return changed;
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}
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/*
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* WM8776 switch controls
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*/
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#define COMPOSE_SW_VAL(idx, reg, mask) ((idx) | ((reg) << 8) | ((mask) << 16))
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#define GET_SW_VAL_IDX(val) ((val) & 0xff)
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#define GET_SW_VAL_REG(val) (((val) >> 8) & 0xff)
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#define GET_SW_VAL_MASK(val) (((val) >> 16) & 0xff)
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#define maya_sw_info snd_ctl_boolean_mono_info
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static int maya_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_maya44 *chip = snd_kcontrol_chip(kcontrol);
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struct snd_wm8776 *wm =
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&chip->wm[snd_ctl_get_ioff(kcontrol, &ucontrol->id)];
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unsigned int idx = GET_SW_VAL_IDX(kcontrol->private_value);
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ucontrol->value.integer.value[0] = (wm->switch_bits >> idx) & 1;
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return 0;
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}
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static int maya_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_maya44 *chip = snd_kcontrol_chip(kcontrol);
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struct snd_wm8776 *wm =
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&chip->wm[snd_ctl_get_ioff(kcontrol, &ucontrol->id)];
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unsigned int idx = GET_SW_VAL_IDX(kcontrol->private_value);
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unsigned int mask, val;
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int changed;
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mutex_lock(&chip->mutex);
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mask = 1 << idx;
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wm->switch_bits &= ~mask;
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val = ucontrol->value.integer.value[0];
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if (val)
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wm->switch_bits |= mask;
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mask = GET_SW_VAL_MASK(kcontrol->private_value);
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changed = wm8776_write_bits(chip->ice, wm,
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GET_SW_VAL_REG(kcontrol->private_value),
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mask, val ? mask : 0);
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mutex_unlock(&chip->mutex);
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return changed;
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}
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/*
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* GPIO pins (known ones for maya44)
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*/
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#define GPIO_PHANTOM_OFF 2
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#define GPIO_MIC_RELAY 4
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#define GPIO_SPDIF_IN_INV 5
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#define GPIO_MUST_BE_0 7
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/*
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* GPIO switch controls
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*/
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#define COMPOSE_GPIO_VAL(shift, inv) ((shift) | ((inv) << 8))
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#define GET_GPIO_VAL_SHIFT(val) ((val) & 0xff)
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#define GET_GPIO_VAL_INV(val) (((val) >> 8) & 1)
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static int maya_set_gpio_bits(struct snd_ice1712 *ice, unsigned int mask,
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unsigned int bits)
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{
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unsigned int data;
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data = snd_ice1712_gpio_read(ice);
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if ((data & mask) == bits)
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return 0;
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snd_ice1712_gpio_write(ice, (data & ~mask) | bits);
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return 1;
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}
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#define maya_gpio_sw_info snd_ctl_boolean_mono_info
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static int maya_gpio_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_maya44 *chip = snd_kcontrol_chip(kcontrol);
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unsigned int shift = GET_GPIO_VAL_SHIFT(kcontrol->private_value);
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unsigned int val;
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val = (snd_ice1712_gpio_read(chip->ice) >> shift) & 1;
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if (GET_GPIO_VAL_INV(kcontrol->private_value))
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val = !val;
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ucontrol->value.integer.value[0] = val;
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return 0;
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}
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static int maya_gpio_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_maya44 *chip = snd_kcontrol_chip(kcontrol);
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unsigned int shift = GET_GPIO_VAL_SHIFT(kcontrol->private_value);
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unsigned int val, mask;
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int changed;
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mutex_lock(&chip->mutex);
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mask = 1 << shift;
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val = ucontrol->value.integer.value[0];
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if (GET_GPIO_VAL_INV(kcontrol->private_value))
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val = !val;
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val = val ? mask : 0;
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changed = maya_set_gpio_bits(chip->ice, mask, val);
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mutex_unlock(&chip->mutex);
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return changed;
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}
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/*
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* capture source selection
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*/
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/* known working input slots (0-4) */
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#define MAYA_LINE_IN 1 /* in-2 */
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#define MAYA_MIC_IN 3 /* in-4 */
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static void wm8776_select_input(struct snd_maya44 *chip, int idx, int line)
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{
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wm8776_write_bits(chip->ice, &chip->wm[idx], WM8776_REG_ADC_MUX,
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0x1f, 1 << line);
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}
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static int maya_rec_src_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[] = { "Line", "Mic" };
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return snd_ctl_enum_info(uinfo, 1, ARRAY_SIZE(texts), texts);
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}
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static int maya_rec_src_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_maya44 *chip = snd_kcontrol_chip(kcontrol);
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int sel;
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if (snd_ice1712_gpio_read(chip->ice) & (1 << GPIO_MIC_RELAY))
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sel = 1;
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else
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sel = 0;
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ucontrol->value.enumerated.item[0] = sel;
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return 0;
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}
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static int maya_rec_src_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_maya44 *chip = snd_kcontrol_chip(kcontrol);
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int sel = ucontrol->value.enumerated.item[0];
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int changed;
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mutex_lock(&chip->mutex);
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changed = maya_set_gpio_bits(chip->ice, 1 << GPIO_MIC_RELAY,
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sel ? (1 << GPIO_MIC_RELAY) : 0);
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wm8776_select_input(chip, 0, sel ? MAYA_MIC_IN : MAYA_LINE_IN);
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mutex_unlock(&chip->mutex);
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return changed;
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}
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/*
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* Maya44 routing switch settings have different meanings than the standard
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* ice1724 switches as defined in snd_vt1724_pro_route_info (ice1724.c).
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*/
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static int maya_pb_route_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[] = {
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"PCM Out", /* 0 */
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"Input 1", "Input 2", "Input 3", "Input 4"
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};
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return snd_ctl_enum_info(uinfo, 1, ARRAY_SIZE(texts), texts);
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}
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static int maya_pb_route_shift(int idx)
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{
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static const unsigned char shift[10] =
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{ 8, 20, 0, 3, 11, 23, 14, 26, 17, 29 };
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return shift[idx % 10];
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}
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static int maya_pb_route_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_maya44 *chip = snd_kcontrol_chip(kcontrol);
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int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
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ucontrol->value.enumerated.item[0] =
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snd_ice1724_get_route_val(chip->ice, maya_pb_route_shift(idx));
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return 0;
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}
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static int maya_pb_route_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_maya44 *chip = snd_kcontrol_chip(kcontrol);
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int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
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return snd_ice1724_put_route_val(chip->ice,
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ucontrol->value.enumerated.item[0],
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maya_pb_route_shift(idx));
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}
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/*
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* controls to be added
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*/
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static struct snd_kcontrol_new maya_controls[] = {
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{
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.name = "Crossmix Playback Volume",
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.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
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.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
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SNDRV_CTL_ELEM_ACCESS_TLV_READ,
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.info = maya_vol_info,
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.get = maya_vol_get,
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.put = maya_vol_put,
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.tlv = { .p = db_scale_hp },
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.private_value = WM_VOL_HP,
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.count = 2,
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},
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{
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.name = "PCM Playback Volume",
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.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
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.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
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SNDRV_CTL_ELEM_ACCESS_TLV_READ,
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.info = maya_vol_info,
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.get = maya_vol_get,
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.put = maya_vol_put,
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.tlv = { .p = db_scale_dac },
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.private_value = WM_VOL_DAC,
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.count = 2,
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},
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{
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.name = "Line Capture Volume",
|
|
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
|
|
.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
|
|
SNDRV_CTL_ELEM_ACCESS_TLV_READ,
|
|
.info = maya_vol_info,
|
|
.get = maya_vol_get,
|
|
.put = maya_vol_put,
|
|
.tlv = { .p = db_scale_adc },
|
|
.private_value = WM_VOL_ADC,
|
|
.count = 2,
|
|
},
|
|
{
|
|
.name = "PCM Playback Switch",
|
|
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
|
|
.info = maya_sw_info,
|
|
.get = maya_sw_get,
|
|
.put = maya_sw_put,
|
|
.private_value = COMPOSE_SW_VAL(WM_SW_DAC,
|
|
WM8776_REG_OUTPUT_MUX, 0x01),
|
|
.count = 2,
|
|
},
|
|
{
|
|
.name = "Bypass Playback Switch",
|
|
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
|
|
.info = maya_sw_info,
|
|
.get = maya_sw_get,
|
|
.put = maya_sw_put,
|
|
.private_value = COMPOSE_SW_VAL(WM_SW_BYPASS,
|
|
WM8776_REG_OUTPUT_MUX, 0x04),
|
|
.count = 2,
|
|
},
|
|
{
|
|
.name = "Capture Source",
|
|
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
|
|
.info = maya_rec_src_info,
|
|
.get = maya_rec_src_get,
|
|
.put = maya_rec_src_put,
|
|
},
|
|
{
|
|
.name = "Mic Phantom Power Switch",
|
|
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
|
|
.info = maya_gpio_sw_info,
|
|
.get = maya_gpio_sw_get,
|
|
.put = maya_gpio_sw_put,
|
|
.private_value = COMPOSE_GPIO_VAL(GPIO_PHANTOM_OFF, 1),
|
|
},
|
|
{
|
|
.name = "SPDIF Capture Switch",
|
|
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
|
|
.info = maya_gpio_sw_info,
|
|
.get = maya_gpio_sw_get,
|
|
.put = maya_gpio_sw_put,
|
|
.private_value = COMPOSE_GPIO_VAL(GPIO_SPDIF_IN_INV, 1),
|
|
},
|
|
{
|
|
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
|
|
.name = "H/W Playback Route",
|
|
.info = maya_pb_route_info,
|
|
.get = maya_pb_route_get,
|
|
.put = maya_pb_route_put,
|
|
.count = 4, /* FIXME: do controls 5-9 have any meaning? */
|
|
},
|
|
};
|
|
|
|
static int maya44_add_controls(struct snd_ice1712 *ice)
|
|
{
|
|
int err, i;
|
|
|
|
for (i = 0; i < ARRAY_SIZE(maya_controls); i++) {
|
|
err = snd_ctl_add(ice->card, snd_ctl_new1(&maya_controls[i],
|
|
ice->spec));
|
|
if (err < 0)
|
|
return err;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|
|
/*
|
|
* initialize a wm8776 chip
|
|
*/
|
|
static void wm8776_init(struct snd_ice1712 *ice,
|
|
struct snd_wm8776 *wm, unsigned int addr)
|
|
{
|
|
static const unsigned short inits_wm8776[] = {
|
|
0x02, 0x100, /* R2: headphone L+R muted + update */
|
|
0x05, 0x100, /* R5: DAC output L+R muted + update */
|
|
0x06, 0x000, /* R6: DAC output phase normal */
|
|
0x07, 0x091, /* R7: DAC enable zero cross detection,
|
|
normal output */
|
|
0x08, 0x000, /* R8: DAC soft mute off */
|
|
0x09, 0x000, /* R9: no deemph, DAC zero detect disabled */
|
|
0x0a, 0x022, /* R10: DAC I2C mode, std polarities, 24bit */
|
|
0x0b, 0x022, /* R11: ADC I2C mode, std polarities, 24bit,
|
|
highpass filter enabled */
|
|
0x0c, 0x042, /* R12: ADC+DAC slave, ADC+DAC 44,1kHz */
|
|
0x0d, 0x000, /* R13: all power up */
|
|
0x0e, 0x100, /* R14: ADC left muted,
|
|
enable zero cross detection */
|
|
0x0f, 0x100, /* R15: ADC right muted,
|
|
enable zero cross detection */
|
|
/* R16: ALC...*/
|
|
0x11, 0x000, /* R17: disable ALC */
|
|
/* R18: ALC...*/
|
|
/* R19: noise gate...*/
|
|
0x15, 0x000, /* R21: ADC input mux init, mute all inputs */
|
|
0x16, 0x001, /* R22: output mux, select DAC */
|
|
0xff, 0xff
|
|
};
|
|
|
|
const unsigned short *ptr;
|
|
unsigned char reg;
|
|
unsigned short data;
|
|
|
|
wm->addr = addr;
|
|
/* enable DAC output; mute bypass, aux & all inputs */
|
|
wm->switch_bits = (1 << WM_SW_DAC);
|
|
|
|
ptr = inits_wm8776;
|
|
while (*ptr != 0xff) {
|
|
reg = *ptr++;
|
|
data = *ptr++;
|
|
wm8776_write(ice, wm, reg, data);
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
* change the rate on the WM8776 codecs.
|
|
* this assumes that the VT17xx's rate is changed by the calling function.
|
|
* NOTE: even though the WM8776's are running in slave mode and rate
|
|
* selection is automatic, we need to call snd_wm8776_set_rate() here
|
|
* to make sure some flags are set correctly.
|
|
*/
|
|
static void set_rate(struct snd_ice1712 *ice, unsigned int rate)
|
|
{
|
|
struct snd_maya44 *chip = ice->spec;
|
|
unsigned int ratio, adc_ratio, val;
|
|
int i;
|
|
|
|
switch (rate) {
|
|
case 192000:
|
|
ratio = WM8776_CLOCK_RATIO_128FS;
|
|
break;
|
|
case 176400:
|
|
ratio = WM8776_CLOCK_RATIO_128FS;
|
|
break;
|
|
case 96000:
|
|
ratio = WM8776_CLOCK_RATIO_256FS;
|
|
break;
|
|
case 88200:
|
|
ratio = WM8776_CLOCK_RATIO_384FS;
|
|
break;
|
|
case 48000:
|
|
ratio = WM8776_CLOCK_RATIO_512FS;
|
|
break;
|
|
case 44100:
|
|
ratio = WM8776_CLOCK_RATIO_512FS;
|
|
break;
|
|
case 32000:
|
|
ratio = WM8776_CLOCK_RATIO_768FS;
|
|
break;
|
|
case 0:
|
|
/* no hint - S/PDIF input is master, simply return */
|
|
return;
|
|
default:
|
|
snd_BUG();
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* this currently sets the same rate for ADC and DAC, but limits
|
|
* ADC rate to 256X (96kHz). For 256X mode (96kHz), this sets ADC
|
|
* oversampling to 64x, as recommended by WM8776 datasheet.
|
|
* Setting the rate is not really necessary in slave mode.
|
|
*/
|
|
adc_ratio = ratio;
|
|
if (adc_ratio < WM8776_CLOCK_RATIO_256FS)
|
|
adc_ratio = WM8776_CLOCK_RATIO_256FS;
|
|
|
|
val = adc_ratio;
|
|
if (adc_ratio == WM8776_CLOCK_RATIO_256FS)
|
|
val |= 8;
|
|
val |= ratio << 4;
|
|
|
|
mutex_lock(&chip->mutex);
|
|
for (i = 0; i < 2; i++)
|
|
wm8776_write_bits(ice, &chip->wm[i],
|
|
WM8776_REG_MASTER_MODE_CONTROL,
|
|
0x180, val);
|
|
mutex_unlock(&chip->mutex);
|
|
}
|
|
|
|
/*
|
|
* supported sample rates (to override the default one)
|
|
*/
|
|
|
|
static const unsigned int rates[] = {
|
|
32000, 44100, 48000, 64000, 88200, 96000, 176400, 192000
|
|
};
|
|
|
|
/* playback rates: 32..192 kHz */
|
|
static const struct snd_pcm_hw_constraint_list dac_rates = {
|
|
.count = ARRAY_SIZE(rates),
|
|
.list = rates,
|
|
.mask = 0
|
|
};
|
|
|
|
|
|
/*
|
|
* chip addresses on I2C bus
|
|
*/
|
|
static unsigned char wm8776_addr[2] = {
|
|
0x34, 0x36, /* codec 0 & 1 */
|
|
};
|
|
|
|
/*
|
|
* initialize the chip
|
|
*/
|
|
static int maya44_init(struct snd_ice1712 *ice)
|
|
{
|
|
int i;
|
|
struct snd_maya44 *chip;
|
|
|
|
chip = kzalloc(sizeof(*chip), GFP_KERNEL);
|
|
if (!chip)
|
|
return -ENOMEM;
|
|
mutex_init(&chip->mutex);
|
|
chip->ice = ice;
|
|
ice->spec = chip;
|
|
|
|
/* initialise codecs */
|
|
ice->num_total_dacs = 4;
|
|
ice->num_total_adcs = 4;
|
|
ice->akm_codecs = 0;
|
|
|
|
for (i = 0; i < 2; i++) {
|
|
wm8776_init(ice, &chip->wm[i], wm8776_addr[i]);
|
|
wm8776_select_input(chip, i, MAYA_LINE_IN);
|
|
}
|
|
|
|
/* set card specific rates */
|
|
ice->hw_rates = &dac_rates;
|
|
|
|
/* register change rate notifier */
|
|
ice->gpio.set_pro_rate = set_rate;
|
|
|
|
/* RDMA1 (2nd input channel) is used for ADC by default */
|
|
ice->force_rdma1 = 1;
|
|
|
|
/* have an own routing control */
|
|
ice->own_routing = 1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
/*
|
|
* Maya44 boards don't provide the EEPROM data except for the vendor IDs.
|
|
* hence the driver needs to sets up it properly.
|
|
*/
|
|
|
|
static unsigned char maya44_eeprom[] = {
|
|
[ICE_EEP2_SYSCONF] = 0x45,
|
|
/* clock xin1=49.152MHz, mpu401, 2 stereo ADCs+DACs */
|
|
[ICE_EEP2_ACLINK] = 0x80,
|
|
/* I2S */
|
|
[ICE_EEP2_I2S] = 0xf8,
|
|
/* vol, 96k, 24bit, 192k */
|
|
[ICE_EEP2_SPDIF] = 0xc3,
|
|
/* enable spdif out, spdif out supp, spdif-in, ext spdif out */
|
|
[ICE_EEP2_GPIO_DIR] = 0xff,
|
|
[ICE_EEP2_GPIO_DIR1] = 0xff,
|
|
[ICE_EEP2_GPIO_DIR2] = 0xff,
|
|
[ICE_EEP2_GPIO_MASK] = 0/*0x9f*/,
|
|
[ICE_EEP2_GPIO_MASK1] = 0/*0xff*/,
|
|
[ICE_EEP2_GPIO_MASK2] = 0/*0x7f*/,
|
|
[ICE_EEP2_GPIO_STATE] = (1 << GPIO_PHANTOM_OFF) |
|
|
(1 << GPIO_SPDIF_IN_INV),
|
|
[ICE_EEP2_GPIO_STATE1] = 0x00,
|
|
[ICE_EEP2_GPIO_STATE2] = 0x00,
|
|
};
|
|
|
|
/* entry point */
|
|
struct snd_ice1712_card_info snd_vt1724_maya44_cards[] = {
|
|
{
|
|
.subvendor = VT1724_SUBDEVICE_MAYA44,
|
|
.name = "ESI Maya44",
|
|
.model = "maya44",
|
|
.chip_init = maya44_init,
|
|
.build_controls = maya44_add_controls,
|
|
.eeprom_size = sizeof(maya44_eeprom),
|
|
.eeprom_data = maya44_eeprom,
|
|
},
|
|
{ } /* terminator */
|
|
};
|