232 lines
6.0 KiB
C
232 lines
6.0 KiB
C
/*
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* ALSA driver for ICEnsemble ICE1712 (Envy24)
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*
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* Lowlevel functions for M-Audio Revolution 7.1
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*
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* Copyright (c) 2003 Takashi Iwai <tiwai@suse.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 <sound/driver.h>
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#include <asm/io.h>
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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 <linux/slab.h>
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#include <sound/core.h>
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#include "ice1712.h"
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#include "envy24ht.h"
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#include "revo.h"
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static void revo_i2s_mclk_changed(struct snd_ice1712 *ice)
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{
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/* assert PRST# to converters; MT05 bit 7 */
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outb(inb(ICEMT1724(ice, AC97_CMD)) | 0x80, ICEMT1724(ice, AC97_CMD));
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mdelay(5);
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/* deassert PRST# */
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outb(inb(ICEMT1724(ice, AC97_CMD)) & ~0x80, ICEMT1724(ice, AC97_CMD));
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}
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/*
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* change the rate of envy24HT, AK4355 and AK4381
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*/
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static void revo_set_rate_val(struct snd_akm4xxx *ak, unsigned int rate)
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{
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unsigned char old, tmp, dfs;
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int reg, shift;
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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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/* adjust DFS on codecs */
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if (rate > 96000)
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dfs = 2;
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else if (rate > 48000)
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dfs = 1;
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else
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dfs = 0;
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if (ak->type == SND_AK4355 || ak->type == SND_AK4358) {
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reg = 2;
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shift = 4;
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} else {
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reg = 1;
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shift = 3;
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}
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tmp = snd_akm4xxx_get(ak, 0, reg);
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old = (tmp >> shift) & 0x03;
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if (old == dfs)
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return;
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/* reset DFS */
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snd_akm4xxx_reset(ak, 1);
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tmp = snd_akm4xxx_get(ak, 0, reg);
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tmp &= ~(0x03 << shift);
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tmp |= dfs << shift;
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// snd_akm4xxx_write(ak, 0, reg, tmp);
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snd_akm4xxx_set(ak, 0, reg, tmp); /* the value is written in reset(0) */
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snd_akm4xxx_reset(ak, 0);
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}
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/*
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* initialize the chips on M-Audio Revolution cards
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*/
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static struct snd_akm4xxx akm_revo_front __devinitdata = {
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.type = SND_AK4381,
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.num_dacs = 2,
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.ops = {
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.set_rate_val = revo_set_rate_val
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}
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};
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static struct snd_ak4xxx_private akm_revo_front_priv __devinitdata = {
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.caddr = 1,
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.cif = 0,
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.data_mask = VT1724_REVO_CDOUT,
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.clk_mask = VT1724_REVO_CCLK,
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.cs_mask = VT1724_REVO_CS0 | VT1724_REVO_CS1 | VT1724_REVO_CS2,
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.cs_addr = VT1724_REVO_CS0 | VT1724_REVO_CS2,
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.cs_none = VT1724_REVO_CS0 | VT1724_REVO_CS1 | VT1724_REVO_CS2,
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.add_flags = VT1724_REVO_CCLK, /* high at init */
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.mask_flags = 0,
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};
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static struct snd_akm4xxx akm_revo_surround __devinitdata = {
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.type = SND_AK4355,
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.idx_offset = 1,
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.num_dacs = 6,
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.ops = {
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.set_rate_val = revo_set_rate_val
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}
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};
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static struct snd_ak4xxx_private akm_revo_surround_priv __devinitdata = {
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.caddr = 3,
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.cif = 0,
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.data_mask = VT1724_REVO_CDOUT,
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.clk_mask = VT1724_REVO_CCLK,
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.cs_mask = VT1724_REVO_CS0 | VT1724_REVO_CS1 | VT1724_REVO_CS2,
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.cs_addr = VT1724_REVO_CS0 | VT1724_REVO_CS1,
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.cs_none = VT1724_REVO_CS0 | VT1724_REVO_CS1 | VT1724_REVO_CS2,
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.add_flags = VT1724_REVO_CCLK, /* high at init */
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.mask_flags = 0,
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};
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static struct snd_akm4xxx akm_revo51 __devinitdata = {
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.type = SND_AK4358,
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.num_dacs = 6,
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.ops = {
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.set_rate_val = revo_set_rate_val
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}
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};
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static struct snd_ak4xxx_private akm_revo51_priv __devinitdata = {
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.caddr = 2,
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.cif = 0,
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.data_mask = VT1724_REVO_CDOUT,
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.clk_mask = VT1724_REVO_CCLK,
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.cs_mask = VT1724_REVO_CS0 | VT1724_REVO_CS1 | VT1724_REVO_CS2,
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.cs_addr = 0,
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.cs_none = VT1724_REVO_CS0 | VT1724_REVO_CS1 | VT1724_REVO_CS2,
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.add_flags = VT1724_REVO_CCLK, /* high at init */
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.mask_flags = 0,
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};
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static int __devinit revo_init(struct snd_ice1712 *ice)
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{
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struct snd_akm4xxx *ak;
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int err;
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/* determine I2C, DACs and ADCs */
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switch (ice->eeprom.subvendor) {
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case VT1724_SUBDEVICE_REVOLUTION71:
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ice->num_total_dacs = 8;
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ice->num_total_adcs = 2;
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ice->gpio.i2s_mclk_changed = revo_i2s_mclk_changed;
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break;
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case VT1724_SUBDEVICE_REVOLUTION51:
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ice->num_total_dacs = 6;
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ice->num_total_adcs = 2;
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break;
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default:
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snd_BUG();
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return -EINVAL;
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}
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/* second stage of initialization, analog parts and others */
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ak = ice->akm = kcalloc(2, sizeof(struct snd_akm4xxx), GFP_KERNEL);
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if (! ak)
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return -ENOMEM;
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ice->akm_codecs = 2;
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switch (ice->eeprom.subvendor) {
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case VT1724_SUBDEVICE_REVOLUTION71:
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ice->akm_codecs = 2;
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if ((err = snd_ice1712_akm4xxx_init(ak, &akm_revo_front, &akm_revo_front_priv, ice)) < 0)
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return err;
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if ((err = snd_ice1712_akm4xxx_init(ak + 1, &akm_revo_surround, &akm_revo_surround_priv, ice)) < 0)
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return err;
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/* unmute all codecs */
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snd_ice1712_gpio_write_bits(ice, VT1724_REVO_MUTE, VT1724_REVO_MUTE);
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break;
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case VT1724_SUBDEVICE_REVOLUTION51:
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ice->akm_codecs = 1;
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if ((err = snd_ice1712_akm4xxx_init(ak, &akm_revo51, &akm_revo51_priv, ice)) < 0)
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return err;
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/* unmute all codecs - needed! */
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snd_ice1712_gpio_write_bits(ice, VT1724_REVO_MUTE, VT1724_REVO_MUTE);
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break;
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}
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return 0;
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}
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static int __devinit revo_add_controls(struct snd_ice1712 *ice)
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{
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int err;
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switch (ice->eeprom.subvendor) {
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case VT1724_SUBDEVICE_REVOLUTION71:
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case VT1724_SUBDEVICE_REVOLUTION51:
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err = snd_ice1712_akm4xxx_build_controls(ice);
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if (err < 0)
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return err;
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}
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return 0;
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}
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/* entry point */
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struct snd_ice1712_card_info snd_vt1724_revo_cards[] __devinitdata = {
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{
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.subvendor = VT1724_SUBDEVICE_REVOLUTION71,
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.name = "M Audio Revolution-7.1",
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.model = "revo71",
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.chip_init = revo_init,
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.build_controls = revo_add_controls,
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},
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{
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.subvendor = VT1724_SUBDEVICE_REVOLUTION51,
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.name = "M Audio Revolution-5.1",
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.model = "revo51",
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.chip_init = revo_init,
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.build_controls = revo_add_controls,
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},
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{ } /* terminator */
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};
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