339 lines
9.8 KiB
C
339 lines
9.8 KiB
C
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/***************************************************************************
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msnd_pinnacle_mixer.c - description
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-------------------
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begin : Fre Jun 7 2002
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copyright : (C) 2002 by karsten wiese
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email : annabellesgarden@yahoo.de
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***************************************************************************/
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/***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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#include <linux/io.h>
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#include <linux/export.h>
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#include <sound/core.h>
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#include <sound/control.h>
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#include "msnd.h"
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#include "msnd_pinnacle.h"
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#define MSND_MIXER_VOLUME 0
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#define MSND_MIXER_PCM 1
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#define MSND_MIXER_AUX 2 /* Input source 1 (aux1) */
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#define MSND_MIXER_IMIX 3 /* Recording monitor */
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#define MSND_MIXER_SYNTH 4
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#define MSND_MIXER_SPEAKER 5
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#define MSND_MIXER_LINE 6
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#define MSND_MIXER_MIC 7
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#define MSND_MIXER_RECLEV 11 /* Recording level */
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#define MSND_MIXER_IGAIN 12 /* Input gain */
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#define MSND_MIXER_OGAIN 13 /* Output gain */
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#define MSND_MIXER_DIGITAL 17 /* Digital (input) 1 */
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/* Device mask bits */
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#define MSND_MASK_VOLUME (1 << MSND_MIXER_VOLUME)
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#define MSND_MASK_SYNTH (1 << MSND_MIXER_SYNTH)
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#define MSND_MASK_PCM (1 << MSND_MIXER_PCM)
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#define MSND_MASK_SPEAKER (1 << MSND_MIXER_SPEAKER)
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#define MSND_MASK_LINE (1 << MSND_MIXER_LINE)
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#define MSND_MASK_MIC (1 << MSND_MIXER_MIC)
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#define MSND_MASK_IMIX (1 << MSND_MIXER_IMIX)
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#define MSND_MASK_RECLEV (1 << MSND_MIXER_RECLEV)
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#define MSND_MASK_IGAIN (1 << MSND_MIXER_IGAIN)
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#define MSND_MASK_OGAIN (1 << MSND_MIXER_OGAIN)
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#define MSND_MASK_AUX (1 << MSND_MIXER_AUX)
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#define MSND_MASK_DIGITAL (1 << MSND_MIXER_DIGITAL)
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static int snd_msndmix_info_mux(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_info *uinfo)
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{
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static const char * const texts[3] = {
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"Analog", "MASS", "SPDIF",
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};
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struct snd_msnd *chip = snd_kcontrol_chip(kcontrol);
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unsigned items = test_bit(F_HAVEDIGITAL, &chip->flags) ? 3 : 2;
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return snd_ctl_enum_info(uinfo, 1, items, texts);
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}
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static int snd_msndmix_get_mux(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct snd_msnd *chip = snd_kcontrol_chip(kcontrol);
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/* MSND_MASK_IMIX is the default */
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ucontrol->value.enumerated.item[0] = 0;
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if (chip->recsrc & MSND_MASK_SYNTH) {
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ucontrol->value.enumerated.item[0] = 1;
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} else if ((chip->recsrc & MSND_MASK_DIGITAL) &&
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test_bit(F_HAVEDIGITAL, &chip->flags)) {
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ucontrol->value.enumerated.item[0] = 2;
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}
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return 0;
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}
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static int snd_msndmix_set_mux(struct snd_msnd *chip, int val)
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{
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unsigned newrecsrc;
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int change;
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unsigned char msndbyte;
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switch (val) {
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case 0:
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newrecsrc = MSND_MASK_IMIX;
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msndbyte = HDEXAR_SET_ANA_IN;
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break;
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case 1:
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newrecsrc = MSND_MASK_SYNTH;
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msndbyte = HDEXAR_SET_SYNTH_IN;
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break;
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case 2:
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newrecsrc = MSND_MASK_DIGITAL;
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msndbyte = HDEXAR_SET_DAT_IN;
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break;
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default:
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return -EINVAL;
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}
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change = newrecsrc != chip->recsrc;
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if (change) {
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change = 0;
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if (!snd_msnd_send_word(chip, 0, 0, msndbyte))
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if (!snd_msnd_send_dsp_cmd(chip, HDEX_AUX_REQ)) {
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chip->recsrc = newrecsrc;
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change = 1;
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}
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}
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return change;
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}
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static int snd_msndmix_put_mux(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct snd_msnd *msnd = snd_kcontrol_chip(kcontrol);
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return snd_msndmix_set_mux(msnd, ucontrol->value.enumerated.item[0]);
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}
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static int snd_msndmix_volume_info(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_info *uinfo)
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{
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uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
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uinfo->count = 2;
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uinfo->value.integer.min = 0;
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uinfo->value.integer.max = 100;
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return 0;
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}
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static int snd_msndmix_volume_get(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct snd_msnd *msnd = snd_kcontrol_chip(kcontrol);
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int addr = kcontrol->private_value;
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unsigned long flags;
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spin_lock_irqsave(&msnd->mixer_lock, flags);
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ucontrol->value.integer.value[0] = msnd->left_levels[addr] * 100;
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ucontrol->value.integer.value[0] /= 0xFFFF;
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ucontrol->value.integer.value[1] = msnd->right_levels[addr] * 100;
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ucontrol->value.integer.value[1] /= 0xFFFF;
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spin_unlock_irqrestore(&msnd->mixer_lock, flags);
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return 0;
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}
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#define update_volm(a, b) \
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do { \
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writew((dev->left_levels[a] >> 1) * \
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readw(dev->SMA + SMA_wCurrMastVolLeft) / 0xffff, \
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dev->SMA + SMA_##b##Left); \
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writew((dev->right_levels[a] >> 1) * \
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readw(dev->SMA + SMA_wCurrMastVolRight) / 0xffff, \
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dev->SMA + SMA_##b##Right); \
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} while (0);
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#define update_potm(d, s, ar) \
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do { \
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writeb((dev->left_levels[d] >> 8) * \
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readw(dev->SMA + SMA_wCurrMastVolLeft) / 0xffff, \
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dev->SMA + SMA_##s##Left); \
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writeb((dev->right_levels[d] >> 8) * \
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readw(dev->SMA + SMA_wCurrMastVolRight) / 0xffff, \
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dev->SMA + SMA_##s##Right); \
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if (snd_msnd_send_word(dev, 0, 0, ar) == 0) \
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snd_msnd_send_dsp_cmd(dev, HDEX_AUX_REQ); \
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} while (0);
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#define update_pot(d, s, ar) \
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do { \
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writeb(dev->left_levels[d] >> 8, \
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dev->SMA + SMA_##s##Left); \
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writeb(dev->right_levels[d] >> 8, \
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dev->SMA + SMA_##s##Right); \
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if (snd_msnd_send_word(dev, 0, 0, ar) == 0) \
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snd_msnd_send_dsp_cmd(dev, HDEX_AUX_REQ); \
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} while (0);
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static int snd_msndmix_set(struct snd_msnd *dev, int d, int left, int right)
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{
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int bLeft, bRight;
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int wLeft, wRight;
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int updatemaster = 0;
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if (d >= LEVEL_ENTRIES)
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return -EINVAL;
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bLeft = left * 0xff / 100;
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wLeft = left * 0xffff / 100;
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bRight = right * 0xff / 100;
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wRight = right * 0xffff / 100;
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dev->left_levels[d] = wLeft;
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dev->right_levels[d] = wRight;
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switch (d) {
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/* master volume unscaled controls */
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case MSND_MIXER_LINE: /* line pot control */
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/* scaled by IMIX in digital mix */
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writeb(bLeft, dev->SMA + SMA_bInPotPosLeft);
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writeb(bRight, dev->SMA + SMA_bInPotPosRight);
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if (snd_msnd_send_word(dev, 0, 0, HDEXAR_IN_SET_POTS) == 0)
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snd_msnd_send_dsp_cmd(dev, HDEX_AUX_REQ);
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break;
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case MSND_MIXER_MIC: /* mic pot control */
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if (dev->type == msndClassic)
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return -EINVAL;
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/* scaled by IMIX in digital mix */
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writeb(bLeft, dev->SMA + SMA_bMicPotPosLeft);
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writeb(bRight, dev->SMA + SMA_bMicPotPosRight);
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if (snd_msnd_send_word(dev, 0, 0, HDEXAR_MIC_SET_POTS) == 0)
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snd_msnd_send_dsp_cmd(dev, HDEX_AUX_REQ);
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break;
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case MSND_MIXER_VOLUME: /* master volume */
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writew(wLeft, dev->SMA + SMA_wCurrMastVolLeft);
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writew(wRight, dev->SMA + SMA_wCurrMastVolRight);
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/* fall through */
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case MSND_MIXER_AUX: /* aux pot control */
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/* scaled by master volume */
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/* fall through */
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/* digital controls */
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case MSND_MIXER_SYNTH: /* synth vol (dsp mix) */
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case MSND_MIXER_PCM: /* pcm vol (dsp mix) */
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case MSND_MIXER_IMIX: /* input monitor (dsp mix) */
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/* scaled by master volume */
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updatemaster = 1;
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break;
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default:
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return -EINVAL;
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}
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if (updatemaster) {
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/* update master volume scaled controls */
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update_volm(MSND_MIXER_PCM, wCurrPlayVol);
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update_volm(MSND_MIXER_IMIX, wCurrInVol);
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if (dev->type == msndPinnacle)
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update_volm(MSND_MIXER_SYNTH, wCurrMHdrVol);
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update_potm(MSND_MIXER_AUX, bAuxPotPos, HDEXAR_AUX_SET_POTS);
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}
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return 0;
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}
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static int snd_msndmix_volume_put(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct snd_msnd *msnd = snd_kcontrol_chip(kcontrol);
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int change, addr = kcontrol->private_value;
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int left, right;
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unsigned long flags;
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left = ucontrol->value.integer.value[0] % 101;
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right = ucontrol->value.integer.value[1] % 101;
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spin_lock_irqsave(&msnd->mixer_lock, flags);
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change = msnd->left_levels[addr] != left
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|| msnd->right_levels[addr] != right;
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snd_msndmix_set(msnd, addr, left, right);
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spin_unlock_irqrestore(&msnd->mixer_lock, flags);
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return change;
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}
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#define DUMMY_VOLUME(xname, xindex, addr) \
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{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
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.info = snd_msndmix_volume_info, \
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.get = snd_msndmix_volume_get, .put = snd_msndmix_volume_put, \
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.private_value = addr }
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static struct snd_kcontrol_new snd_msnd_controls[] = {
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DUMMY_VOLUME("Master Volume", 0, MSND_MIXER_VOLUME),
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DUMMY_VOLUME("PCM Volume", 0, MSND_MIXER_PCM),
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DUMMY_VOLUME("Aux Volume", 0, MSND_MIXER_AUX),
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DUMMY_VOLUME("Line Volume", 0, MSND_MIXER_LINE),
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DUMMY_VOLUME("Mic Volume", 0, MSND_MIXER_MIC),
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DUMMY_VOLUME("Monitor", 0, MSND_MIXER_IMIX),
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{
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.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
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.name = "Capture Source",
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.info = snd_msndmix_info_mux,
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.get = snd_msndmix_get_mux,
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.put = snd_msndmix_put_mux,
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}
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};
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int snd_msndmix_new(struct snd_card *card)
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{
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struct snd_msnd *chip = card->private_data;
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unsigned int idx;
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int err;
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if (snd_BUG_ON(!chip))
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return -EINVAL;
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spin_lock_init(&chip->mixer_lock);
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strcpy(card->mixername, "MSND Pinnacle Mixer");
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for (idx = 0; idx < ARRAY_SIZE(snd_msnd_controls); idx++) {
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err = snd_ctl_add(card,
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snd_ctl_new1(snd_msnd_controls + idx, chip));
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if (err < 0)
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return err;
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}
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return 0;
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}
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EXPORT_SYMBOL(snd_msndmix_new);
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void snd_msndmix_setup(struct snd_msnd *dev)
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{
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update_pot(MSND_MIXER_LINE, bInPotPos, HDEXAR_IN_SET_POTS);
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update_potm(MSND_MIXER_AUX, bAuxPotPos, HDEXAR_AUX_SET_POTS);
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update_volm(MSND_MIXER_PCM, wCurrPlayVol);
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update_volm(MSND_MIXER_IMIX, wCurrInVol);
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if (dev->type == msndPinnacle) {
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update_pot(MSND_MIXER_MIC, bMicPotPos, HDEXAR_MIC_SET_POTS);
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update_volm(MSND_MIXER_SYNTH, wCurrMHdrVol);
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}
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}
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EXPORT_SYMBOL(snd_msndmix_setup);
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int snd_msndmix_force_recsrc(struct snd_msnd *dev, int recsrc)
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{
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dev->recsrc = -1;
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return snd_msndmix_set_mux(dev, recsrc);
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}
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EXPORT_SYMBOL(snd_msndmix_force_recsrc);
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