| /* |
| * ALSA driver for ICEnsemble ICE1712 (Envy24) |
| * |
| * Lowlevel functions for M-Audio Revolution 7.1 |
| * |
| * Copyright (c) 2003 Takashi Iwai <tiwai@suse.de> |
| * |
| * 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 <sound/driver.h> |
| #include <asm/io.h> |
| #include <linux/delay.h> |
| #include <linux/interrupt.h> |
| #include <linux/init.h> |
| #include <linux/slab.h> |
| #include <sound/core.h> |
| |
| #include "ice1712.h" |
| #include "envy24ht.h" |
| #include "revo.h" |
| |
| static void revo_i2s_mclk_changed(ice1712_t *ice) |
| { |
| /* assert PRST# to converters; MT05 bit 7 */ |
| outb(inb(ICEMT1724(ice, AC97_CMD)) | 0x80, ICEMT1724(ice, AC97_CMD)); |
| mdelay(5); |
| /* deassert PRST# */ |
| outb(inb(ICEMT1724(ice, AC97_CMD)) & ~0x80, ICEMT1724(ice, AC97_CMD)); |
| } |
| |
| /* |
| * change the rate of envy24HT, AK4355 and AK4381 |
| */ |
| static void revo_set_rate_val(akm4xxx_t *ak, unsigned int rate) |
| { |
| unsigned char old, tmp, dfs; |
| int reg, shift; |
| |
| if (rate == 0) /* no hint - S/PDIF input is master, simply return */ |
| return; |
| |
| /* adjust DFS on codecs */ |
| if (rate > 96000) |
| dfs = 2; |
| else if (rate > 48000) |
| dfs = 1; |
| else |
| dfs = 0; |
| |
| if (ak->type == SND_AK4355) { |
| reg = 2; |
| shift = 4; |
| } else { |
| reg = 1; |
| shift = 3; |
| } |
| tmp = snd_akm4xxx_get(ak, 0, reg); |
| old = (tmp >> shift) & 0x03; |
| if (old == dfs) |
| return; |
| |
| /* reset DFS */ |
| snd_akm4xxx_reset(ak, 1); |
| tmp = snd_akm4xxx_get(ak, 0, reg); |
| tmp &= ~(0x03 << shift); |
| tmp |= dfs << shift; |
| // snd_akm4xxx_write(ak, 0, reg, tmp); |
| snd_akm4xxx_set(ak, 0, reg, tmp); /* the value is written in reset(0) */ |
| snd_akm4xxx_reset(ak, 0); |
| } |
| |
| /* |
| * initialize the chips on M-Audio Revolution cards |
| */ |
| |
| static akm4xxx_t akm_revo_front __devinitdata = { |
| .type = SND_AK4381, |
| .num_dacs = 2, |
| .ops = { |
| .set_rate_val = revo_set_rate_val |
| } |
| }; |
| |
| static struct snd_ak4xxx_private akm_revo_front_priv __devinitdata = { |
| .caddr = 1, |
| .cif = 0, |
| .data_mask = VT1724_REVO_CDOUT, |
| .clk_mask = VT1724_REVO_CCLK, |
| .cs_mask = VT1724_REVO_CS0 | VT1724_REVO_CS1 | VT1724_REVO_CS2, |
| .cs_addr = VT1724_REVO_CS0 | VT1724_REVO_CS2, |
| .cs_none = VT1724_REVO_CS0 | VT1724_REVO_CS1 | VT1724_REVO_CS2, |
| .add_flags = VT1724_REVO_CCLK, /* high at init */ |
| .mask_flags = 0, |
| }; |
| |
| static akm4xxx_t akm_revo_surround __devinitdata = { |
| .type = SND_AK4355, |
| .idx_offset = 1, |
| .num_dacs = 6, |
| .ops = { |
| .set_rate_val = revo_set_rate_val |
| } |
| }; |
| |
| static struct snd_ak4xxx_private akm_revo_surround_priv __devinitdata = { |
| .caddr = 3, |
| .cif = 0, |
| .data_mask = VT1724_REVO_CDOUT, |
| .clk_mask = VT1724_REVO_CCLK, |
| .cs_mask = VT1724_REVO_CS0 | VT1724_REVO_CS1 | VT1724_REVO_CS2, |
| .cs_addr = VT1724_REVO_CS0 | VT1724_REVO_CS1, |
| .cs_none = VT1724_REVO_CS0 | VT1724_REVO_CS1 | VT1724_REVO_CS2, |
| .add_flags = VT1724_REVO_CCLK, /* high at init */ |
| .mask_flags = 0, |
| }; |
| |
| static int __devinit revo_init(ice1712_t *ice) |
| { |
| akm4xxx_t *ak; |
| int err; |
| |
| /* determine I2C, DACs and ADCs */ |
| switch (ice->eeprom.subvendor) { |
| case VT1724_SUBDEVICE_REVOLUTION71: |
| ice->num_total_dacs = 8; |
| ice->num_total_adcs = 2; |
| break; |
| default: |
| snd_BUG(); |
| return -EINVAL; |
| } |
| |
| ice->gpio.i2s_mclk_changed = revo_i2s_mclk_changed; |
| |
| /* second stage of initialization, analog parts and others */ |
| ak = ice->akm = kcalloc(2, sizeof(akm4xxx_t), GFP_KERNEL); |
| if (! ak) |
| return -ENOMEM; |
| ice->akm_codecs = 2; |
| switch (ice->eeprom.subvendor) { |
| case VT1724_SUBDEVICE_REVOLUTION71: |
| if ((err = snd_ice1712_akm4xxx_init(ak, &akm_revo_front, &akm_revo_front_priv, ice)) < 0) |
| return err; |
| if ((err = snd_ice1712_akm4xxx_init(ak + 1, &akm_revo_surround, &akm_revo_surround_priv, ice)) < 0) |
| return err; |
| /* unmute all codecs */ |
| snd_ice1712_gpio_write_bits(ice, VT1724_REVO_MUTE, VT1724_REVO_MUTE); |
| break; |
| } |
| |
| return 0; |
| } |
| |
| |
| static int __devinit revo_add_controls(ice1712_t *ice) |
| { |
| int err; |
| |
| switch (ice->eeprom.subvendor) { |
| case VT1724_SUBDEVICE_REVOLUTION71: |
| err = snd_ice1712_akm4xxx_build_controls(ice); |
| if (err < 0) |
| return err; |
| } |
| return 0; |
| } |
| |
| /* entry point */ |
| struct snd_ice1712_card_info snd_vt1724_revo_cards[] __devinitdata = { |
| { |
| .subvendor = VT1724_SUBDEVICE_REVOLUTION71, |
| .name = "M Audio Revolution-7.1", |
| .model = "revo71", |
| .chip_init = revo_init, |
| .build_controls = revo_add_controls, |
| }, |
| { } /* terminator */ |
| }; |