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(ice1712_t *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(akm4xxx_t *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) {
  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 akm4xxx_t 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 akm4xxx_t 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 unsigned int rates[] = {
 132         32000, 44100, 48000, 64000, 88200, 96000,
 133         176400, 192000,
 134 };
 135
 136 static snd_pcm_hw_constraint_list_t revo_rates = {
 137         .count = ARRAY_SIZE(rates),
 138         .list = rates,
 139         .mask = 0,
 140 };
 141
 142 static int __devinit revo_init(ice1712_t *ice)
 143 {
 144         akm4xxx_t *ak;
 145         int err;
 146
 147         /* determine I2C, DACs and ADCs */
 148         switch (ice->eeprom.subvendor) {
 149         case VT1724_SUBDEVICE_REVOLUTION71:
 150                 ice->num_total_dacs = 8;
 151                 ice->num_total_adcs = 2;
 152                 break;
 153         default:
 154                 snd_BUG();
 155                 return -EINVAL;
 156         }
 157
 158         ice->gpio.i2s_mclk_changed = revo_i2s_mclk_changed;
 159
 160         /* second stage of initialization, analog parts and others */
 161         ak = ice->akm = kcalloc(2, sizeof(akm4xxx_t), GFP_KERNEL);
 162         if (! ak)
 163                 return -ENOMEM;
 164         ice->akm_codecs = 2;
 165         switch (ice->eeprom.subvendor) {
 166         case VT1724_SUBDEVICE_REVOLUTION71:
 167                 if ((err = snd_ice1712_akm4xxx_init(ak, &akm_revo_front, &akm_revo_front_priv, ice)) < 0)
 168                         return err;
 169                 if ((err = snd_ice1712_akm4xxx_init(ak + 1, &akm_revo_surround, &akm_revo_surround_priv, ice)) < 0)
 170                         return err;
 171                 /* unmute all codecs */
 172                 snd_ice1712_gpio_write_bits(ice, VT1724_REVO_MUTE, VT1724_REVO_MUTE);
 173                 break;
 174         }
 175
 176         ice->hw_rates = &revo_rates; /* AK codecs don't support lower than 32k */
 177
 178         return 0;
 179 }
 180
 181
 182 static int __devinit revo_add_controls(ice1712_t *ice)
 183 {
 184         int err;
 185
 186         switch (ice->eeprom.subvendor) {
 187         case VT1724_SUBDEVICE_REVOLUTION71:
 188                 err = snd_ice1712_akm4xxx_build_controls(ice);
 189                 if (err < 0)
 190                         return err;
 191         }
 192         return 0;
 193 }
 194
 195 /* entry point */
 196 struct snd_ice1712_card_info snd_vt1724_revo_cards[] __devinitdata = {
 197         {
 198                 .subvendor = VT1724_SUBDEVICE_REVOLUTION71,
 199                 .name = "M Audio Revolution-7.1",
 200                 .model = "revo71",
 201                 .chip_init = revo_init,
 202                 .build_controls = revo_add_controls,
 203         },
 204         { } /* terminator */
 205 };