1 /* 2 * Copyright (c) by Jaroslav Kysela <perex@perex.cz> 3 * Routines for control of ICS 2101 chip and "mixer" in GF1 chip 4 * 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation; either version 2 of the License, or 9 * (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program; if not, write to the Free Software 18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 19 * 20 */ 21 22 #include <linux/time.h> 23 #include <linux/wait.h> 24 #include <sound/core.h> 25 #include <sound/control.h> 26 #include <sound/gus.h> 27 28 /* 29 * 30 */ 31 32 #define GF1_SINGLE(xname, xindex, shift, invert) \ 33 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \ 34 .info = snd_gf1_info_single, \ 35 .get = snd_gf1_get_single, .put = snd_gf1_put_single, \ 36 .private_value = shift | (invert << 8) } 37 38 #define snd_gf1_info_single snd_ctl_boolean_mono_info 39 40 static int snd_gf1_get_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 41 { 42 struct snd_gus_card *gus = snd_kcontrol_chip(kcontrol); 43 int shift = kcontrol->private_value & 0xff; 44 int invert = (kcontrol->private_value >> 8) & 1; 45 46 ucontrol->value.integer.value[0] = (gus->mix_cntrl_reg >> shift) & 1; 47 if (invert) 48 ucontrol->value.integer.value[0] ^= 1; 49 return 0; 50 } 51 52 static int snd_gf1_put_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 53 { 54 struct snd_gus_card *gus = snd_kcontrol_chip(kcontrol); 55 unsigned long flags; 56 int shift = kcontrol->private_value & 0xff; 57 int invert = (kcontrol->private_value >> 8) & 1; 58 int change; 59 unsigned char oval, nval; 60 61 nval = ucontrol->value.integer.value[0] & 1; 62 if (invert) 63 nval ^= 1; 64 nval <<= shift; 65 spin_lock_irqsave(&gus->reg_lock, flags); 66 oval = gus->mix_cntrl_reg; 67 nval = (oval & ~(1 << shift)) | nval; 68 change = nval != oval; 69 outb(gus->mix_cntrl_reg = nval, GUSP(gus, MIXCNTRLREG)); 70 outb(gus->gf1.active_voice = 0, GUSP(gus, GF1PAGE)); 71 spin_unlock_irqrestore(&gus->reg_lock, flags); 72 return change; 73 } 74 75 #define ICS_DOUBLE(xname, xindex, addr) \ 76 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \ 77 .info = snd_ics_info_double, \ 78 .get = snd_ics_get_double, .put = snd_ics_put_double, \ 79 .private_value = addr } 80 81 static int snd_ics_info_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 82 { 83 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 84 uinfo->count = 2; 85 uinfo->value.integer.min = 0; 86 uinfo->value.integer.max = 127; 87 return 0; 88 } 89 90 static int snd_ics_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 91 { 92 struct snd_gus_card *gus = snd_kcontrol_chip(kcontrol); 93 unsigned long flags; 94 int addr = kcontrol->private_value & 0xff; 95 unsigned char left, right; 96 97 spin_lock_irqsave(&gus->reg_lock, flags); 98 left = gus->gf1.ics_regs[addr][0]; 99 right = gus->gf1.ics_regs[addr][1]; 100 spin_unlock_irqrestore(&gus->reg_lock, flags); 101 ucontrol->value.integer.value[0] = left & 127; 102 ucontrol->value.integer.value[1] = right & 127; 103 return 0; 104 } 105 106 static int snd_ics_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 107 { 108 struct snd_gus_card *gus = snd_kcontrol_chip(kcontrol); 109 unsigned long flags; 110 int addr = kcontrol->private_value & 0xff; 111 int change; 112 unsigned char val1, val2, oval1, oval2, tmp; 113 114 val1 = ucontrol->value.integer.value[0] & 127; 115 val2 = ucontrol->value.integer.value[1] & 127; 116 spin_lock_irqsave(&gus->reg_lock, flags); 117 oval1 = gus->gf1.ics_regs[addr][0]; 118 oval2 = gus->gf1.ics_regs[addr][1]; 119 change = val1 != oval1 || val2 != oval2; 120 gus->gf1.ics_regs[addr][0] = val1; 121 gus->gf1.ics_regs[addr][1] = val2; 122 if (gus->ics_flag && gus->ics_flipped && 123 (addr == SNDRV_ICS_GF1_DEV || addr == SNDRV_ICS_MASTER_DEV)) { 124 tmp = val1; 125 val1 = val2; 126 val2 = tmp; 127 } 128 addr <<= 3; 129 outb(addr | 0, GUSP(gus, MIXCNTRLPORT)); 130 outb(1, GUSP(gus, MIXDATAPORT)); 131 outb(addr | 2, GUSP(gus, MIXCNTRLPORT)); 132 outb((unsigned char) val1, GUSP(gus, MIXDATAPORT)); 133 outb(addr | 1, GUSP(gus, MIXCNTRLPORT)); 134 outb(2, GUSP(gus, MIXDATAPORT)); 135 outb(addr | 3, GUSP(gus, MIXCNTRLPORT)); 136 outb((unsigned char) val2, GUSP(gus, MIXDATAPORT)); 137 spin_unlock_irqrestore(&gus->reg_lock, flags); 138 return change; 139 } 140 141 static struct snd_kcontrol_new snd_gf1_controls[] = { 142 GF1_SINGLE("Master Playback Switch", 0, 1, 1), 143 GF1_SINGLE("Line Switch", 0, 0, 1), 144 GF1_SINGLE("Mic Switch", 0, 2, 0) 145 }; 146 147 static struct snd_kcontrol_new snd_ics_controls[] = { 148 GF1_SINGLE("Master Playback Switch", 0, 1, 1), 149 ICS_DOUBLE("Master Playback Volume", 0, SNDRV_ICS_MASTER_DEV), 150 ICS_DOUBLE("Synth Playback Volume", 0, SNDRV_ICS_GF1_DEV), 151 GF1_SINGLE("Line Switch", 0, 0, 1), 152 ICS_DOUBLE("Line Playback Volume", 0, SNDRV_ICS_LINE_DEV), 153 GF1_SINGLE("Mic Switch", 0, 2, 0), 154 ICS_DOUBLE("Mic Playback Volume", 0, SNDRV_ICS_MIC_DEV), 155 ICS_DOUBLE("CD Playback Volume", 0, SNDRV_ICS_CD_DEV) 156 }; 157 158 int snd_gf1_new_mixer(struct snd_gus_card * gus) 159 { 160 struct snd_card *card; 161 unsigned int idx, max; 162 int err; 163 164 snd_assert(gus != NULL, return -EINVAL); 165 card = gus->card; 166 snd_assert(card != NULL, return -EINVAL); 167 168 if (gus->ics_flag) 169 snd_component_add(card, "ICS2101"); 170 if (card->mixername[0] == '\0') { 171 strcpy(card->mixername, gus->ics_flag ? "GF1,ICS2101" : "GF1"); 172 } else { 173 if (gus->ics_flag) 174 strcat(card->mixername, ",ICS2101"); 175 strcat(card->mixername, ",GF1"); 176 } 177 178 if (!gus->ics_flag) { 179 max = gus->ess_flag ? 1 : ARRAY_SIZE(snd_gf1_controls); 180 for (idx = 0; idx < max; idx++) { 181 if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_gf1_controls[idx], gus))) < 0) 182 return err; 183 } 184 } else { 185 for (idx = 0; idx < ARRAY_SIZE(snd_ics_controls); idx++) { 186 if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_ics_controls[idx], gus))) < 0) 187 return err; 188 } 189 } 190 return 0; 191 } 192