Logo Search packages:      
Sourcecode: alsa-driver version File versions  Download package

ak4xxx-adda.c

/*
 *   ALSA driver for AK4524 / AK4528 / AK4529 / AK4355 / AK4358 / AK4381
 *   AD and DA converters
 *
 *    Copyright (c) 2000-2004 Jaroslav Kysela <perex@suse.cz>,
 *                      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 <sound/core.h>
#include <sound/control.h>
#include <sound/ak4xxx-adda.h>

MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>, Takashi Iwai <tiwai@suse.de>");
MODULE_DESCRIPTION("Routines for control of AK452x / AK43xx  AD/DA converters");
MODULE_LICENSE("GPL");

void snd_akm4xxx_write(akm4xxx_t *ak, int chip, unsigned char reg, unsigned char val)
{
      ak->ops.lock(ak, chip);
      ak->ops.write(ak, chip, reg, val);

      /* save the data */
      if (ak->type == SND_AK4524 || ak->type == SND_AK4528) {
            if ((reg != 0x04 && reg != 0x05) || (val & 0x80) == 0)
                  snd_akm4xxx_set(ak, chip, reg, val);
            else
                  snd_akm4xxx_set_ipga(ak, chip, reg, val);
      } else {
            /* AK4529, or else */
            snd_akm4xxx_set(ak, chip, reg, val);
      }
      ak->ops.unlock(ak, chip);
}

/*
 * reset the AKM codecs
 * @state: 1 = reset codec, 0 = restore the registers
 *
 * assert the reset operation and restores the register values to the chips.
 */
void snd_akm4xxx_reset(akm4xxx_t *ak, int state)
{
      unsigned int chip;
      unsigned char reg;
      
      switch (ak->type) {
      case SND_AK4524:
      case SND_AK4528:
            for (chip = 0; chip < ak->num_dacs/2; chip++) {
                  snd_akm4xxx_write(ak, chip, 0x01, state ? 0x00 : 0x03);
                  if (state)
                        continue;
                  /* DAC volumes */
                  for (reg = 0x04; reg < (ak->type == SND_AK4528 ? 0x06 : 0x08); reg++)
                        snd_akm4xxx_write(ak, chip, reg, snd_akm4xxx_get(ak, chip, reg));
                  if (ak->type == SND_AK4528)
                        continue;
                  /* IPGA */
                  for (reg = 0x04; reg < 0x06; reg++)
                        snd_akm4xxx_write(ak, chip, reg, snd_akm4xxx_get_ipga(ak, chip, reg));
            }
            break;
      case SND_AK4529:
            /* FIXME: needed for ak4529? */
            break;
      case SND_AK4355:
      case SND_AK4358:
            if (state) {
                  snd_akm4xxx_write(ak, 0, 0x01, 0x02); /* reset and soft-mute */
                  return;
            }
            for (reg = 0x00; reg < 0x0b; reg++)
                  if (reg != 0x01)
                        snd_akm4xxx_write(ak, 0, reg, snd_akm4xxx_get(ak, 0, reg));
            snd_akm4xxx_write(ak, 0, 0x01, 0x01); /* un-reset, unmute */
            break;
      case SND_AK4381:
            for (chip = 0; chip < ak->num_dacs/2; chip++) {
                  snd_akm4xxx_write(ak, chip, 0x00, state ? 0x0c : 0x0f);
                  if (state)
                        continue;
                  for (reg = 0x01; reg < 0x05; reg++)
                        snd_akm4xxx_write(ak, chip, reg, snd_akm4xxx_get(ak, chip, reg));
            }
            break;
      }
}

/*
 * initialize all the ak4xxx chips
 */
void snd_akm4xxx_init(akm4xxx_t *ak)
{
      static unsigned char inits_ak4524[] = {
            0x00, 0x07, /* 0: all power up */
            0x01, 0x00, /* 1: ADC/DAC reset */
            0x02, 0x60, /* 2: 24bit I2S */
            0x03, 0x19, /* 3: deemphasis off */
            0x01, 0x03, /* 1: ADC/DAC enable */
            0x04, 0x00, /* 4: ADC left muted */
            0x05, 0x00, /* 5: ADC right muted */
            0x04, 0x80, /* 4: ADC IPGA gain 0dB */
            0x05, 0x80, /* 5: ADC IPGA gain 0dB */
            0x06, 0x00, /* 6: DAC left muted */
            0x07, 0x00, /* 7: DAC right muted */
            0xff, 0xff
      };
      static unsigned char inits_ak4528[] = {
            0x00, 0x07, /* 0: all power up */
            0x01, 0x00, /* 1: ADC/DAC reset */
            0x02, 0x60, /* 2: 24bit I2S */
            0x03, 0x0d, /* 3: deemphasis off, turn LR highpass filters on */
            0x01, 0x03, /* 1: ADC/DAC enable */
            0x04, 0x00, /* 4: ADC left muted */
            0x05, 0x00, /* 5: ADC right muted */
            0xff, 0xff
      };
      static unsigned char inits_ak4529[] = {
            0x09, 0x01, /* 9: ATS=0, RSTN=1 */
            0x0a, 0x3f, /* A: all power up, no zero/overflow detection */
            0x00, 0x0c, /* 0: TDM=0, 24bit I2S, SMUTE=0 */
            0x01, 0x00, /* 1: ACKS=0, ADC, loop off */
            0x02, 0xff, /* 2: LOUT1 muted */
            0x03, 0xff, /* 3: ROUT1 muted */
            0x04, 0xff, /* 4: LOUT2 muted */
            0x05, 0xff, /* 5: ROUT2 muted */
            0x06, 0xff, /* 6: LOUT3 muted */
            0x07, 0xff, /* 7: ROUT3 muted */
            0x0b, 0xff, /* B: LOUT4 muted */
            0x0c, 0xff, /* C: ROUT4 muted */
            0x08, 0x55, /* 8: deemphasis all off */
            0xff, 0xff
      };
      static unsigned char inits_ak4355[] = {
            0x01, 0x02, /* 1: reset and soft-mute */
            0x00, 0x06, /* 0: mode3(i2s), disable auto-clock detect, disable DZF, sharp roll-off, RSTN#=0 */
            0x02, 0x0e, /* 2: DA's power up, normal speed, RSTN#=0 */
            // 0x02, 0x2e, /* quad speed */
            0x03, 0x01, /* 3: de-emphasis off */
            0x04, 0x00, /* 4: LOUT1 volume muted */
            0x05, 0x00, /* 5: ROUT1 volume muted */
            0x06, 0x00, /* 6: LOUT2 volume muted */
            0x07, 0x00, /* 7: ROUT2 volume muted */
            0x08, 0x00, /* 8: LOUT3 volume muted */
            0x09, 0x00, /* 9: ROUT3 volume muted */
            0x0a, 0x00, /* a: DATT speed=0, ignore DZF */
            0x01, 0x01, /* 1: un-reset, unmute */
            0xff, 0xff
      };
      static unsigned char inits_ak4358[] = {
            0x01, 0x02, /* 1: reset and soft-mute */
            0x00, 0x06, /* 0: mode3(i2s), disable auto-clock detect, disable DZF, sharp roll-off, RSTN#=0 */
            0x02, 0x0e, /* 2: DA's power up, normal speed, RSTN#=0 */
            // 0x02, 0x2e, /* quad speed */
            0x03, 0x01, /* 3: de-emphasis off */
            0x04, 0x00, /* 4: LOUT1 volume muted */
            0x05, 0x00, /* 5: ROUT1 volume muted */
            0x06, 0x00, /* 6: LOUT2 volume muted */
            0x07, 0x00, /* 7: ROUT2 volume muted */
            0x08, 0x00, /* 8: LOUT3 volume muted */
            0x09, 0x00, /* 9: ROUT3 volume muted */
            0x0b, 0x00, /* b: LOUT4 volume muted */
            0x0c, 0x00, /* c: ROUT4 volume muted */
            0x0a, 0x00, /* a: DATT speed=0, ignore DZF */
            0x01, 0x01, /* 1: un-reset, unmute */
            0xff, 0xff
      };
      static unsigned char inits_ak4381[] = {
            0x00, 0x0c, /* 0: mode3(i2s), disable auto-clock detect */
            0x01, 0x02, /* 1: de-emphasis off, normal speed, sharp roll-off, DZF off */
            // 0x01, 0x12, /* quad speed */
            0x02, 0x00, /* 2: DZF disabled */
            0x03, 0x00, /* 3: LATT 0 */
            0x04, 0x00, /* 4: RATT 0 */
            0x00, 0x0f, /* 0: power-up, un-reset */
            0xff, 0xff
      };

      int chip, num_chips;
      unsigned char *ptr, reg, data, *inits;

      switch (ak->type) {
      case SND_AK4524:
            inits = inits_ak4524;
            num_chips = ak->num_dacs / 2;
            break;
      case SND_AK4528:
            inits = inits_ak4528;
            num_chips = ak->num_dacs / 2;
            break;
      case SND_AK4529:
            inits = inits_ak4529;
            num_chips = 1;
            break;
      case SND_AK4355:
            inits = inits_ak4355;
            num_chips = 1;
            break;
      case SND_AK4358:
            inits = inits_ak4358;
            num_chips = 1;
            break;
      case SND_AK4381:
            inits = inits_ak4381;
            num_chips = ak->num_dacs / 2;
            break;
      default:
            snd_BUG();
            return;
      }

      for (chip = 0; chip < num_chips; chip++) {
            ptr = inits;
            while (*ptr != 0xff) {
                  reg = *ptr++;
                  data = *ptr++;
                  snd_akm4xxx_write(ak, chip, reg, data);
            }
      }
}

#define AK_GET_CHIP(val)            (((val) >> 8) & 0xff)
#define AK_GET_ADDR(val)            ((val) & 0xff)
#define AK_GET_SHIFT(val)           (((val) >> 16) & 0x7f)
#define AK_GET_INVERT(val)          (((val) >> 23) & 1)
#define AK_GET_MASK(val)            (((val) >> 24) & 0xff)
#define AK_COMPOSE(chip,addr,shift,mask) (((chip) << 8) | (addr) | ((shift) << 16) | ((mask) << 24))
#define AK_INVERT                   (1<<23)

static int snd_akm4xxx_volume_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
{
      unsigned int mask = AK_GET_MASK(kcontrol->private_value);

      uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
      uinfo->count = 1;
      uinfo->value.integer.min = 0;
      uinfo->value.integer.max = mask;
      return 0;
}

static int snd_akm4xxx_volume_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
{
      akm4xxx_t *ak = snd_kcontrol_chip(kcontrol);
      int chip = AK_GET_CHIP(kcontrol->private_value);
      int addr = AK_GET_ADDR(kcontrol->private_value);
      int invert = AK_GET_INVERT(kcontrol->private_value);
      unsigned int mask = AK_GET_MASK(kcontrol->private_value);
      unsigned char val = snd_akm4xxx_get(ak, chip, addr);
      
      ucontrol->value.integer.value[0] = invert ? mask - val : val;
      return 0;
}

static int snd_akm4xxx_volume_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
{
      akm4xxx_t *ak = snd_kcontrol_chip(kcontrol);
      int chip = AK_GET_CHIP(kcontrol->private_value);
      int addr = AK_GET_ADDR(kcontrol->private_value);
      int invert = AK_GET_INVERT(kcontrol->private_value);
      unsigned int mask = AK_GET_MASK(kcontrol->private_value);
      unsigned char nval = ucontrol->value.integer.value[0] % (mask+1);
      int change;

      if (invert)
            nval = mask - nval;
      change = snd_akm4xxx_get(ak, chip, addr) != nval;
      if (change)
            snd_akm4xxx_write(ak, chip, addr, nval);
      return change;
}

static int snd_akm4xxx_ipga_gain_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
{
      uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
      uinfo->count = 1;
      uinfo->value.integer.min = 0;
      uinfo->value.integer.max = 36;
      return 0;
}

static int snd_akm4xxx_ipga_gain_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
{
      akm4xxx_t *ak = snd_kcontrol_chip(kcontrol);
      int chip = AK_GET_CHIP(kcontrol->private_value);
      int addr = AK_GET_ADDR(kcontrol->private_value);
      ucontrol->value.integer.value[0] = snd_akm4xxx_get_ipga(ak, chip, addr) & 0x7f;
      return 0;
}

static int snd_akm4xxx_ipga_gain_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
{
      akm4xxx_t *ak = snd_kcontrol_chip(kcontrol);
      int chip = AK_GET_CHIP(kcontrol->private_value);
      int addr = AK_GET_ADDR(kcontrol->private_value);
      unsigned char nval = (ucontrol->value.integer.value[0] % 37) | 0x80;
      int change = snd_akm4xxx_get_ipga(ak, chip, addr) != nval;
      if (change)
            snd_akm4xxx_write(ak, chip, addr, nval);
      return change;
}

static int snd_akm4xxx_deemphasis_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
{
      static char *texts[4] = {
            "44.1kHz", "Off", "48kHz", "32kHz",
      };
      uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
      uinfo->count = 1;
      uinfo->value.enumerated.items = 4;
      if (uinfo->value.enumerated.item >= 4)
            uinfo->value.enumerated.item = 3;
      strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
      return 0;
}

static int snd_akm4xxx_deemphasis_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t *ucontrol)
{
      akm4xxx_t *ak = snd_kcontrol_chip(kcontrol);
      int chip = AK_GET_CHIP(kcontrol->private_value);
      int addr = AK_GET_ADDR(kcontrol->private_value);
      int shift = AK_GET_SHIFT(kcontrol->private_value);
      ucontrol->value.enumerated.item[0] = (snd_akm4xxx_get(ak, chip, addr) >> shift) & 3;
      return 0;
}

static int snd_akm4xxx_deemphasis_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
{
      akm4xxx_t *ak = snd_kcontrol_chip(kcontrol);
      int chip = AK_GET_CHIP(kcontrol->private_value);
      int addr = AK_GET_ADDR(kcontrol->private_value);
      int shift = AK_GET_SHIFT(kcontrol->private_value);
      unsigned char nval = ucontrol->value.enumerated.item[0] & 3;
      int change;
      
      nval = (nval << shift) | (snd_akm4xxx_get(ak, chip, addr) & ~(3 << shift));
      change = snd_akm4xxx_get(ak, chip, addr) != nval;
      if (change)
            snd_akm4xxx_write(ak, chip, addr, nval);
      return change;
}

/*
 * build AK4xxx controls
 */

int snd_akm4xxx_build_controls(akm4xxx_t *ak)
{
      unsigned int idx, num_emphs;
      snd_kcontrol_t *ctl;
      int err;

      ctl = kmalloc(sizeof(*ctl), GFP_KERNEL);
      if (! ctl)
            return -ENOMEM;

      for (idx = 0; idx < ak->num_dacs; ++idx) {
            memset(ctl, 0, sizeof(*ctl));
            strcpy(ctl->id.name, "DAC Volume");
            ctl->id.index = idx + ak->idx_offset * 2;
            ctl->id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
            ctl->count = 1;
            ctl->info = snd_akm4xxx_volume_info;
            ctl->get = snd_akm4xxx_volume_get;
            ctl->put = snd_akm4xxx_volume_put;
            switch (ak->type) {
            case SND_AK4524:
                  ctl->private_value = AK_COMPOSE(idx/2, (idx%2) + 6, 0, 127); /* register 6 & 7 */
                  break;
            case SND_AK4528:
                  ctl->private_value = AK_COMPOSE(idx/2, (idx%2) + 4, 0, 127); /* register 4 & 5 */
                  break;
            case SND_AK4529: {
                  int val = idx < 6 ? idx + 2 : (idx - 6) + 0xb; /* registers 2-7 and b,c */
                  ctl->private_value = AK_COMPOSE(0, val, 0, 255) | AK_INVERT;
                  break;
            }
            case SND_AK4355:
                  ctl->private_value = AK_COMPOSE(0, idx + 4, 0, 255); /* register 4-9, chip #0 only */
                  break;
            case SND_AK4358:
                  if (idx >= 6)
                        ctl->private_value = AK_COMPOSE(0, idx + 5, 0, 255); /* register 4-9, chip #0 only */
                  else
                        ctl->private_value = AK_COMPOSE(0, idx + 4, 0, 255); /* register 4-9, chip #0 only */
                  break;
            case SND_AK4381:
                  ctl->private_value = AK_COMPOSE(idx/2, (idx%2) + 3, 0, 255); /* register 3 & 4 */
                  break;
            default:
                  err = -EINVAL;
                  goto __error;
            }
            ctl->private_data = ak;
            if ((err = snd_ctl_add(ak->card, snd_ctl_new(ctl, SNDRV_CTL_ELEM_ACCESS_READ|SNDRV_CTL_ELEM_ACCESS_WRITE))) < 0)
                  goto __error;
      }
      for (idx = 0; idx < ak->num_adcs && ak->type == SND_AK4524; ++idx) {
            memset(ctl, 0, sizeof(*ctl));
            strcpy(ctl->id.name, "ADC Volume");
            ctl->id.index = idx + ak->idx_offset * 2;
            ctl->id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
            ctl->count = 1;
            ctl->info = snd_akm4xxx_volume_info;
            ctl->get = snd_akm4xxx_volume_get;
            ctl->put = snd_akm4xxx_volume_put;
            ctl->private_value = AK_COMPOSE(idx/2, (idx%2) + 4, 0, 127); /* register 4 & 5 */
            ctl->private_data = ak;
            if ((err = snd_ctl_add(ak->card, snd_ctl_new(ctl, SNDRV_CTL_ELEM_ACCESS_READ|SNDRV_CTL_ELEM_ACCESS_WRITE))) < 0)
                  goto __error;

            memset(ctl, 0, sizeof(*ctl));
            strcpy(ctl->id.name, "IPGA Analog Capture Volume");
            ctl->id.index = idx + ak->idx_offset * 2;
            ctl->id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
            ctl->count = 1;
            ctl->info = snd_akm4xxx_ipga_gain_info;
            ctl->get = snd_akm4xxx_ipga_gain_get;
            ctl->put = snd_akm4xxx_ipga_gain_put;
            ctl->private_value = AK_COMPOSE(idx/2, (idx%2) + 4, 0, 0); /* register 4 & 5 */
            ctl->private_data = ak;
            if ((err = snd_ctl_add(ak->card, snd_ctl_new(ctl, SNDRV_CTL_ELEM_ACCESS_READ|SNDRV_CTL_ELEM_ACCESS_WRITE))) < 0)
                  goto __error;
      }
      if (ak->type == SND_AK4355 || ak->type == SND_AK4358)
            num_emphs = 1;
      else
            num_emphs = ak->num_dacs / 2;
      for (idx = 0; idx < num_emphs; idx++) {
            memset(ctl, 0, sizeof(*ctl));
            strcpy(ctl->id.name, "Deemphasis");
            ctl->id.index = idx + ak->idx_offset;
            ctl->id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
            ctl->count = 1;
            ctl->info = snd_akm4xxx_deemphasis_info;
            ctl->get = snd_akm4xxx_deemphasis_get;
            ctl->put = snd_akm4xxx_deemphasis_put;
            switch (ak->type) {
            case SND_AK4524:
            case SND_AK4528:
                  ctl->private_value = AK_COMPOSE(idx, 3, 0, 0); /* register 3 */
                  break;
            case SND_AK4529: {
                  int shift = idx == 3 ? 6 : (2 - idx) * 2;
                  ctl->private_value = AK_COMPOSE(0, 8, shift, 0); /* register 8 with shift */
                  break;
            }
            case SND_AK4355:
            case SND_AK4358:
                  ctl->private_value = AK_COMPOSE(idx, 3, 0, 0);
                  break;
            case SND_AK4381:
                  ctl->private_value = AK_COMPOSE(idx, 1, 1, 0);
                  break;
            }
            ctl->private_data = ak;
            if ((err = snd_ctl_add(ak->card, snd_ctl_new(ctl, SNDRV_CTL_ELEM_ACCESS_READ|SNDRV_CTL_ELEM_ACCESS_WRITE))) < 0)
                  goto __error;
      }
      err = 0;

 __error:
      kfree(ctl);
      return err;
}

static int __init alsa_akm4xxx_module_init(void)
{
      return 0;
}
        
static void __exit alsa_akm4xxx_module_exit(void)
{
}
        
module_init(alsa_akm4xxx_module_init)
module_exit(alsa_akm4xxx_module_exit)

EXPORT_SYMBOL(snd_akm4xxx_write);
EXPORT_SYMBOL(snd_akm4xxx_reset);
EXPORT_SYMBOL(snd_akm4xxx_init);
EXPORT_SYMBOL(snd_akm4xxx_build_controls);

Generated by  Doxygen 1.6.0   Back to index