sound/pci/ice1712/revo.c

   1 /*
   2  *   ALSA driver for ICEnsemble ICE1712 (Envy24)
   3  *
   4  *   Lowlevel functions for M-Audio Revolution 7.1
   5  *
   6  *      Copyright (c) 2003 Takashi Iwai <tiwai@suse.de>
   7  *
   8  *   This program is free software; you can redistribute it and/or modify
   9  *   it under the terms of the GNU General Public License as published by
  10  *   the Free Software Foundation; either version 2 of the License, or
  11  *   (at your option) any later version.
  12  *
  13  *   This program is distributed in the hope that it will be useful,
  14  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  *   GNU General Public License for more details.
  17  *
  18  *   You should have received a copy of the GNU General Public License
  19  *   along with this program; if not, write to the Free Software
  20  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  21  *
  22  */
  23
  24 #include <sound/driver.h>
  25 #include <asm/io.h>
  26 #include <linux/delay.h>
  27 #include <linux/interrupt.h>
  28 #include <linux/init.h>
  29 #include <linux/slab.h>
  30 #include <sound/core.h>
  31
  32 #include "ice1712.h"
  33 #include "envy24ht.h"
  34 #include "revo.h"
  35
  36 static void revo_i2s_mclk_changed(struct snd_ice1712 *ice)
  37 {
  38         /* assert PRST# to converters; MT05 bit 7 */
  39         outb(inb(ICEMT1724(ice, AC97_CMD)) | 0x80, ICEMT1724(ice, AC97_CMD));
  40         mdelay(5);
  41         /* deassert PRST# */
  42         outb(inb(ICEMT1724(ice, AC97_CMD)) & ~0x80, ICEMT1724(ice, AC97_CMD));
  43 }
  44
  45 /*
  46  * change the rate of envy24HT, AK4355 and AK4381
  47  */
  48 static void revo_set_rate_val(struct snd_akm4xxx *ak, unsigned int rate)
  49 {
  50         unsigned char old, tmp, dfs;
  51         int reg, shift;
  52
  53         if (rate == 0)  /* no hint - S/PDIF input is master, simply return */
  54                 return;
  55
  56         /* adjust DFS on codecs */
  57         if (rate > 96000)
  58                 dfs = 2;
  59         else if (rate > 48000)
  60                 dfs = 1;
  61         else
  62                 dfs = 0;
  63
  64         if (ak->type == SND_AK4355 || ak->type == SND_AK4358) {
  65                 reg = 2;
  66                 shift = 4;
  67         } else {
  68                 reg = 1;
  69                 shift = 3;
  70         }
  71         tmp = snd_akm4xxx_get(ak, 0, reg);
  72         old = (tmp >> shift) & 0x03;
  73         if (old == dfs)
  74                 return;
  75
  76         /* reset DFS */
  77         snd_akm4xxx_reset(ak, 1);
  78         tmp = snd_akm4xxx_get(ak, 0, reg);
  79         tmp &= ~(0x03 << shift);
  80         tmp |= dfs << shift;
  81         // snd_akm4xxx_write(ak, 0, reg, tmp);
  82         snd_akm4xxx_set(ak, 0, reg, tmp); /* the value is written in reset(0) */
  83         snd_akm4xxx_reset(ak, 0);
  84 }
  85
  86 /*
  87  * initialize the chips on M-Audio Revolution cards
  88  */
  89
  90 static struct snd_akm4xxx akm_revo_front __devinitdata = {
  91         .type = SND_AK4381,
  92         .num_dacs = 2,
  93         .ops = {
  94                 .set_rate_val = revo_set_rate_val
  95         }
  96 };
  97
  98 static struct snd_ak4xxx_private akm_revo_front_priv __devinitdata = {
  99         .caddr = 1,
 100         .cif = 0,
 101         .data_mask = VT1724_REVO_CDOUT,
 102         .clk_mask = VT1724_REVO_CCLK,
 103         .cs_mask = VT1724_REVO_CS0 | VT1724_REVO_CS1 | VT1724_REVO_CS2,
 104         .cs_addr = VT1724_REVO_CS0 | VT1724_REVO_CS2,
 105         .cs_none = VT1724_REVO_CS0 | VT1724_REVO_CS1 | VT1724_REVO_CS2,
 106         .add_flags = VT1724_REVO_CCLK, /* high at init */
 107         .mask_flags = 0,
 108 };
 109
 110 static struct snd_akm4xxx akm_revo_surround __devinitdata = {
 111         .type = SND_AK4355,
 112         .idx_offset = 1,
 113         .num_dacs = 6,
 114         .ops = {
 115                 .set_rate_val = revo_set_rate_val
 116         }
 117 };
 118
 119 static struct snd_ak4xxx_private akm_revo_surround_priv __devinitdata = {
 120         .caddr = 3,
 121         .cif = 0,
 122         .data_mask = VT1724_REVO_CDOUT,
 123         .clk_mask = VT1724_REVO_CCLK,
 124         .cs_mask = VT1724_REVO_CS0 | VT1724_REVO_CS1 | VT1724_REVO_CS2,
 125         .cs_addr = VT1724_REVO_CS0 | VT1724_REVO_CS1,
 126         .cs_none = VT1724_REVO_CS0 | VT1724_REVO_CS1 | VT1724_REVO_CS2,
 127         .add_flags = VT1724_REVO_CCLK, /* high at init */
 128         .mask_flags = 0,
 129 };
 130
 131 static struct snd_akm4xxx akm_revo51 __devinitdata = {
 132         .type = SND_AK4358,
 133         .num_dacs = 6,
 134         .ops = {
 135                 .set_rate_val = revo_set_rate_val
 136         }
 137 };
 138
 139 static struct snd_ak4xxx_private akm_revo51_priv __devinitdata = {
 140         .caddr = 2,
 141         .cif = 0,
 142         .data_mask = VT1724_REVO_CDOUT,
 143         .clk_mask = VT1724_REVO_CCLK,
 144         .cs_mask = VT1724_REVO_CS0 | VT1724_REVO_CS1 | VT1724_REVO_CS2,
 145         .cs_addr = 0,
 146         .cs_none = VT1724_REVO_CS0 | VT1724_REVO_CS1 | VT1724_REVO_CS2,
 147         .add_flags = VT1724_REVO_CCLK, /* high at init */
 148         .mask_flags = 0,
 149 };
 150
 151 static int __devinit revo_init(struct snd_ice1712 *ice)
 152 {
 153         struct snd_akm4xxx *ak;
 154         int err;
 155
 156         /* determine I2C, DACs and ADCs */
 157         switch (ice->eeprom.subvendor) {
 158         case VT1724_SUBDEVICE_REVOLUTION71:
 159                 ice->num_total_dacs = 8;
 160                 ice->num_total_adcs = 2;
 161                 ice->gpio.i2s_mclk_changed = revo_i2s_mclk_changed;
 162                 break;
 163         case VT1724_SUBDEVICE_REVOLUTION51:
 164                 ice->num_total_dacs = 6;
 165                 ice->num_total_adcs = 2;
 166                 break;
 167         default:
 168                 snd_BUG();
 169                 return -EINVAL;
 170         }
 171
 172         /* second stage of initialization, analog parts and others */
 173         ak = ice->akm = kcalloc(2, sizeof(struct snd_akm4xxx), GFP_KERNEL);
 174         if (! ak)
 175                 return -ENOMEM;
 176         ice->akm_codecs = 2;
 177         switch (ice->eeprom.subvendor) {
 178         case VT1724_SUBDEVICE_REVOLUTION71:
 179                 ice->akm_codecs = 2;
 180                 if ((err = snd_ice1712_akm4xxx_init(ak, &akm_revo_front, &akm_revo_front_priv, ice)) < 0)
 181                         return err;
 182                 if ((err = snd_ice1712_akm4xxx_init(ak + 1, &akm_revo_surround, &akm_revo_surround_priv, ice)) < 0)
 183                         return err;
 184                 /* unmute all codecs */
 185                 snd_ice1712_gpio_write_bits(ice, VT1724_REVO_MUTE, VT1724_REVO_MUTE);
 186                 break;
 187         case VT1724_SUBDEVICE_REVOLUTION51:
 188                 ice->akm_codecs = 1;
 189                 if ((err = snd_ice1712_akm4xxx_init(ak, &akm_revo51, &akm_revo51_priv, ice)) < 0)
 190                         return err;
 191                 /* unmute all codecs - needed! */
 192                 snd_ice1712_gpio_write_bits(ice, VT1724_REVO_MUTE, VT1724_REVO_MUTE);
 193                 break;
 194         }
 195
 196         return 0;
 197 }
 198
 199
 200 static int __devinit revo_add_controls(struct snd_ice1712 *ice)
 201 {
 202         int err;
 203
 204         switch (ice->eeprom.subvendor) {
 205         case VT1724_SUBDEVICE_REVOLUTION71:
 206         case VT1724_SUBDEVICE_REVOLUTION51:
 207                 err = snd_ice1712_akm4xxx_build_controls(ice);
 208                 if (err < 0)
 209                         return err;
 210         }
 211         return 0;
 212 }
 213
 214 /* entry point */
 215 struct snd_ice1712_card_info snd_vt1724_revo_cards[] __devinitdata = {
 216         {
 217                 .subvendor = VT1724_SUBDEVICE_REVOLUTION71,
 218                 .name = "M Audio Revolution-7.1",
 219                 .model = "revo71",
 220                 .chip_init = revo_init,
 221                 .build_controls = revo_add_controls,
 222         },
 223         {
 224                 .subvendor = VT1724_SUBDEVICE_REVOLUTION51,
 225                 .name = "M Audio Revolution-5.1",
 226                 .model = "revo51",
 227                 .chip_init = revo_init,
 228                 .build_controls = revo_add_controls,
 229         },
 230         { } /* terminator */
 231 };