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175 lines
5.3 KiB
175 lines
5.3 KiB
// SPDX-License-Identifier: GPL-2.0-or-later |
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/* |
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* Copyright (c) by Jaroslav Kysela <[email protected]> |
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* Routines for control of ICS 2101 chip and "mixer" in GF1 chip |
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*/ |
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#include <linux/time.h> |
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#include <linux/wait.h> |
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#include <sound/core.h> |
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#include <sound/control.h> |
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#include <sound/gus.h> |
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/* |
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* |
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*/ |
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#define GF1_SINGLE(xname, xindex, shift, invert) \ |
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{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \ |
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.info = snd_gf1_info_single, \ |
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.get = snd_gf1_get_single, .put = snd_gf1_put_single, \ |
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.private_value = shift | (invert << 8) } |
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#define snd_gf1_info_single snd_ctl_boolean_mono_info |
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static int snd_gf1_get_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
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{ |
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struct snd_gus_card *gus = snd_kcontrol_chip(kcontrol); |
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int shift = kcontrol->private_value & 0xff; |
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int invert = (kcontrol->private_value >> 8) & 1; |
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ucontrol->value.integer.value[0] = (gus->mix_cntrl_reg >> shift) & 1; |
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if (invert) |
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ucontrol->value.integer.value[0] ^= 1; |
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return 0; |
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} |
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static int snd_gf1_put_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
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{ |
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struct snd_gus_card *gus = snd_kcontrol_chip(kcontrol); |
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unsigned long flags; |
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int shift = kcontrol->private_value & 0xff; |
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int invert = (kcontrol->private_value >> 8) & 1; |
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int change; |
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unsigned char oval, nval; |
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nval = ucontrol->value.integer.value[0] & 1; |
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if (invert) |
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nval ^= 1; |
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nval <<= shift; |
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spin_lock_irqsave(&gus->reg_lock, flags); |
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oval = gus->mix_cntrl_reg; |
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nval = (oval & ~(1 << shift)) | nval; |
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change = nval != oval; |
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outb(gus->mix_cntrl_reg = nval, GUSP(gus, MIXCNTRLREG)); |
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outb(gus->gf1.active_voice = 0, GUSP(gus, GF1PAGE)); |
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spin_unlock_irqrestore(&gus->reg_lock, flags); |
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return change; |
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} |
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#define ICS_DOUBLE(xname, xindex, addr) \ |
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{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \ |
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.info = snd_ics_info_double, \ |
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.get = snd_ics_get_double, .put = snd_ics_put_double, \ |
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.private_value = addr } |
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static int snd_ics_info_double(struct snd_kcontrol *kcontrol, 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 = 127; |
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return 0; |
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} |
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static int snd_ics_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
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{ |
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struct snd_gus_card *gus = snd_kcontrol_chip(kcontrol); |
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unsigned long flags; |
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int addr = kcontrol->private_value & 0xff; |
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unsigned char left, right; |
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spin_lock_irqsave(&gus->reg_lock, flags); |
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left = gus->gf1.ics_regs[addr][0]; |
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right = gus->gf1.ics_regs[addr][1]; |
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spin_unlock_irqrestore(&gus->reg_lock, flags); |
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ucontrol->value.integer.value[0] = left & 127; |
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ucontrol->value.integer.value[1] = right & 127; |
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return 0; |
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} |
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static int snd_ics_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
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{ |
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struct snd_gus_card *gus = snd_kcontrol_chip(kcontrol); |
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unsigned long flags; |
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int addr = kcontrol->private_value & 0xff; |
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int change; |
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unsigned char val1, val2, oval1, oval2; |
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val1 = ucontrol->value.integer.value[0] & 127; |
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val2 = ucontrol->value.integer.value[1] & 127; |
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spin_lock_irqsave(&gus->reg_lock, flags); |
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oval1 = gus->gf1.ics_regs[addr][0]; |
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oval2 = gus->gf1.ics_regs[addr][1]; |
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change = val1 != oval1 || val2 != oval2; |
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gus->gf1.ics_regs[addr][0] = val1; |
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gus->gf1.ics_regs[addr][1] = val2; |
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if (gus->ics_flag && gus->ics_flipped && |
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(addr == SNDRV_ICS_GF1_DEV || addr == SNDRV_ICS_MASTER_DEV)) |
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swap(val1, val2); |
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addr <<= 3; |
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outb(addr | 0, GUSP(gus, MIXCNTRLPORT)); |
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outb(1, GUSP(gus, MIXDATAPORT)); |
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outb(addr | 2, GUSP(gus, MIXCNTRLPORT)); |
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outb((unsigned char) val1, GUSP(gus, MIXDATAPORT)); |
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outb(addr | 1, GUSP(gus, MIXCNTRLPORT)); |
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outb(2, GUSP(gus, MIXDATAPORT)); |
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outb(addr | 3, GUSP(gus, MIXCNTRLPORT)); |
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outb((unsigned char) val2, GUSP(gus, MIXDATAPORT)); |
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spin_unlock_irqrestore(&gus->reg_lock, flags); |
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return change; |
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} |
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static const struct snd_kcontrol_new snd_gf1_controls[] = { |
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GF1_SINGLE("Master Playback Switch", 0, 1, 1), |
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GF1_SINGLE("Line Switch", 0, 0, 1), |
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GF1_SINGLE("Mic Switch", 0, 2, 0) |
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}; |
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static const struct snd_kcontrol_new snd_ics_controls[] = { |
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GF1_SINGLE("Master Playback Switch", 0, 1, 1), |
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ICS_DOUBLE("Master Playback Volume", 0, SNDRV_ICS_MASTER_DEV), |
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ICS_DOUBLE("Synth Playback Volume", 0, SNDRV_ICS_GF1_DEV), |
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GF1_SINGLE("Line Switch", 0, 0, 1), |
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ICS_DOUBLE("Line Playback Volume", 0, SNDRV_ICS_LINE_DEV), |
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GF1_SINGLE("Mic Switch", 0, 2, 0), |
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ICS_DOUBLE("Mic Playback Volume", 0, SNDRV_ICS_MIC_DEV), |
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ICS_DOUBLE("CD Playback Volume", 0, SNDRV_ICS_CD_DEV) |
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}; |
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int snd_gf1_new_mixer(struct snd_gus_card * gus) |
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{ |
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struct snd_card *card; |
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unsigned int idx, max; |
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int err; |
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if (snd_BUG_ON(!gus)) |
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return -EINVAL; |
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card = gus->card; |
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if (snd_BUG_ON(!card)) |
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return -EINVAL; |
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if (gus->ics_flag) |
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snd_component_add(card, "ICS2101"); |
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if (card->mixername[0] == '\0') { |
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strcpy(card->mixername, gus->ics_flag ? "GF1,ICS2101" : "GF1"); |
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} else { |
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if (gus->ics_flag) |
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strcat(card->mixername, ",ICS2101"); |
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strcat(card->mixername, ",GF1"); |
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} |
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if (!gus->ics_flag) { |
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max = gus->ess_flag ? 1 : ARRAY_SIZE(snd_gf1_controls); |
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for (idx = 0; idx < max; idx++) { |
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if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_gf1_controls[idx], gus))) < 0) |
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return err; |
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} |
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} else { |
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for (idx = 0; idx < ARRAY_SIZE(snd_ics_controls); idx++) { |
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if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_ics_controls[idx], gus))) < 0) |
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return err; |
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} |
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} |
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return 0; |
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}
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