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