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 unsigned int revo71_num_stereo_front[] = {2};
  91 static char *revo71_channel_names_front[] = {"PCM Playback Volume"};
  92
  93 static unsigned int revo71_num_stereo_surround[] = {1, 1, 2, 2};
  94 static char *revo71_channel_names_surround[] = {"PCM Center Playback Volume", "PCM LFE Playback Volume",
  95                                                 "PCM Side Playback Volume", "PCM Rear Playback Volume"};
  96
  97 static unsigned int revo51_num_stereo[] = {2, 1, 1, 2};
  98 static char *revo51_channel_names[] = {"PCM Playback Volume", "PCM Center Playback Volume",
  99                                         "PCM LFE Playback Volume", "PCM Rear Playback Volume"};
 100
 101 static struct snd_akm4xxx akm_revo_front __devinitdata = {
 102         .type = SND_AK4381,
 103         .num_dacs = 2,
 104         .ops = {
 105                 .set_rate_val = revo_set_rate_val
 106         },
 107         .num_stereo = revo71_num_stereo_front,
 108         .channel_names = revo71_channel_names_front
 109 };
 110
 111 static struct snd_ak4xxx_private akm_revo_front_priv __devinitdata = {
 112         .caddr = 1,
 113         .cif = 0,
 114         .data_mask = VT1724_REVO_CDOUT,
 115         .clk_mask = VT1724_REVO_CCLK,
 116         .cs_mask = VT1724_REVO_CS0 | VT1724_REVO_CS1 | VT1724_REVO_CS2,
 117         .cs_addr = VT1724_REVO_CS0 | VT1724_REVO_CS2,
 118         .cs_none = VT1724_REVO_CS0 | VT1724_REVO_CS1 | VT1724_REVO_CS2,
 119         .add_flags = VT1724_REVO_CCLK, /* high at init */
 120         .mask_flags = 0,
 121 };
 122
 123 static struct snd_akm4xxx akm_revo_surround __devinitdata = {
 124         .type = SND_AK4355,
 125         .idx_offset = 1,
 126         .num_dacs = 6,
 127         .ops = {
 128                 .set_rate_val = revo_set_rate_val
 129         },
 130         .num_stereo = revo71_num_stereo_surround,
 131         .channel_names = revo71_channel_names_surround
 132 };
 133
 134 static struct snd_ak4xxx_private akm_revo_surround_priv __devinitdata = {
 135         .caddr = 3,
 136         .cif = 0,
 137         .data_mask = VT1724_REVO_CDOUT,
 138         .clk_mask = VT1724_REVO_CCLK,
 139         .cs_mask = VT1724_REVO_CS0 | VT1724_REVO_CS1 | VT1724_REVO_CS2,
 140         .cs_addr = VT1724_REVO_CS0 | VT1724_REVO_CS1,
 141         .cs_none = VT1724_REVO_CS0 | VT1724_REVO_CS1 | VT1724_REVO_CS2,
 142         .add_flags = VT1724_REVO_CCLK, /* high at init */
 143         .mask_flags = 0,
 144 };
 145
 146 static struct snd_akm4xxx akm_revo51 __devinitdata = {
 147         .type = SND_AK4358,
 148         .num_dacs = 6,
 149         .ops = {
 150                 .set_rate_val = revo_set_rate_val
 151         },
 152         .num_stereo = revo51_num_stereo,
 153         .channel_names = revo51_channel_names
 154 };
 155
 156 static struct snd_ak4xxx_private akm_revo51_priv __devinitdata = {
 157         .caddr = 2,
 158         .cif = 0,
 159         .data_mask = VT1724_REVO_CDOUT,
 160         .clk_mask = VT1724_REVO_CCLK,
 161         .cs_mask = VT1724_REVO_CS0 | VT1724_REVO_CS1 | VT1724_REVO_CS2,
 162         .cs_addr = 0,
 163         .cs_none = VT1724_REVO_CS0 | VT1724_REVO_CS1 | VT1724_REVO_CS2,
 164         .add_flags = VT1724_REVO_CCLK, /* high at init */
 165         .mask_flags = 0,
 166 };
 167
 168 static int __devinit revo_init(struct snd_ice1712 *ice)
 169 {
 170         struct snd_akm4xxx *ak;
 171         int err;
 172
 173         /* determine I2C, DACs and ADCs */
 174         switch (ice->eeprom.subvendor) {
 175         case VT1724_SUBDEVICE_REVOLUTION71:
 176                 ice->num_total_dacs = 8;
 177                 ice->num_total_adcs = 2;
 178                 ice->gpio.i2s_mclk_changed = revo_i2s_mclk_changed;
 179                 break;
 180         case VT1724_SUBDEVICE_REVOLUTION51:
 181                 ice->num_total_dacs = 6;
 182                 ice->num_total_adcs = 2;
 183                 break;
 184         default:
 185                 snd_BUG();
 186                 return -EINVAL;
 187         }
 188
 189         /* second stage of initialization, analog parts and others */
 190         ak = ice->akm = kcalloc(2, sizeof(struct snd_akm4xxx), GFP_KERNEL);
 191         if (! ak)
 192                 return -ENOMEM;
 193         ice->akm_codecs = 2;
 194         switch (ice->eeprom.subvendor) {
 195         case VT1724_SUBDEVICE_REVOLUTION71:
 196                 ice->akm_codecs = 2;
 197                 if ((err = snd_ice1712_akm4xxx_init(ak, &akm_revo_front, &akm_revo_front_priv, ice)) < 0)
 198                         return err;
 199                 if ((err = snd_ice1712_akm4xxx_init(ak + 1, &akm_revo_surround, &akm_revo_surround_priv, ice)) < 0)
 200                         return err;
 201                 /* unmute all codecs */
 202                 snd_ice1712_gpio_write_bits(ice, VT1724_REVO_MUTE, VT1724_REVO_MUTE);
 203                 break;
 204         case VT1724_SUBDEVICE_REVOLUTION51:
 205                 ice->akm_codecs = 1;
 206                 if ((err = snd_ice1712_akm4xxx_init(ak, &akm_revo51, &akm_revo51_priv, ice)) < 0)
 207                         return err;
 208                 /* unmute all codecs - needed! */
 209                 snd_ice1712_gpio_write_bits(ice, VT1724_REVO_MUTE, VT1724_REVO_MUTE);
 210                 break;
 211         }
 212
 213         return 0;
 214 }
 215
 216
 217 static int __devinit revo_add_controls(struct snd_ice1712 *ice)
 218 {
 219         int err;
 220
 221         switch (ice->eeprom.subvendor) {
 222         case VT1724_SUBDEVICE_REVOLUTION71:
 223         case VT1724_SUBDEVICE_REVOLUTION51:
 224                 err = snd_ice1712_akm4xxx_build_controls(ice);
 225                 if (err < 0)
 226                         return err;
 227         }
 228         return 0;
 229 }
 230
 231 /* entry point */
 232 struct snd_ice1712_card_info snd_vt1724_revo_cards[] __devinitdata = {
 233         {
 234                 .subvendor = VT1724_SUBDEVICE_REVOLUTION71,
 235                 .name = "M Audio Revolution-7.1",
 236                 .model = "revo71",
 237                 .chip_init = revo_init,
 238                 .build_controls = revo_add_controls,
 239         },
 240         {
 241                 .subvendor = VT1724_SUBDEVICE_REVOLUTION51,
 242                 .name = "M Audio Revolution-5.1",
 243                 .model = "revo51",
 244                 .chip_init = revo_init,
 245                 .build_controls = revo_add_controls,
 246         },
 247         { } /* terminator */
 248 };