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[net-next-2.6.git] / sound / isa / gus / gus_mixer.c
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1da177e4 1/*
c1017a4c 2 * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
1da177e4
LT
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 <sound/driver.h>
23#include <linux/time.h>
24#include <linux/wait.h>
25#include <sound/core.h>
26#include <sound/control.h>
27#include <sound/gus.h>
28
29/*
30 *
31 */
32
33#define GF1_SINGLE(xname, xindex, shift, invert) \
34{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
35 .info = snd_gf1_info_single, \
36 .get = snd_gf1_get_single, .put = snd_gf1_put_single, \
37 .private_value = shift | (invert << 8) }
38
a5ce8890 39#define snd_gf1_info_single snd_ctl_boolean_mono_info
1da177e4 40
5e2da206 41static int snd_gf1_get_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 42{
5e2da206 43 struct snd_gus_card *gus = snd_kcontrol_chip(kcontrol);
1da177e4
LT
44 int shift = kcontrol->private_value & 0xff;
45 int invert = (kcontrol->private_value >> 8) & 1;
46
47 ucontrol->value.integer.value[0] = (gus->mix_cntrl_reg >> shift) & 1;
48 if (invert)
49 ucontrol->value.integer.value[0] ^= 1;
50 return 0;
51}
52
5e2da206 53static int snd_gf1_put_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 54{
5e2da206 55 struct snd_gus_card *gus = snd_kcontrol_chip(kcontrol);
1da177e4
LT
56 unsigned long flags;
57 int shift = kcontrol->private_value & 0xff;
58 int invert = (kcontrol->private_value >> 8) & 1;
59 int change;
60 unsigned char oval, nval;
61
62 nval = ucontrol->value.integer.value[0] & 1;
63 if (invert)
64 nval ^= 1;
65 nval <<= shift;
66 spin_lock_irqsave(&gus->reg_lock, flags);
67 oval = gus->mix_cntrl_reg;
68 nval = (oval & ~(1 << shift)) | nval;
69 change = nval != oval;
70 outb(gus->mix_cntrl_reg = nval, GUSP(gus, MIXCNTRLREG));
71 outb(gus->gf1.active_voice = 0, GUSP(gus, GF1PAGE));
72 spin_unlock_irqrestore(&gus->reg_lock, flags);
73 return change;
74}
75
76#define ICS_DOUBLE(xname, xindex, addr) \
77{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
78 .info = snd_ics_info_double, \
79 .get = snd_ics_get_double, .put = snd_ics_put_double, \
80 .private_value = addr }
81
5e2da206 82static int snd_ics_info_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1da177e4
LT
83{
84 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
85 uinfo->count = 2;
86 uinfo->value.integer.min = 0;
87 uinfo->value.integer.max = 127;
88 return 0;
89}
90
5e2da206 91static int snd_ics_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 92{
5e2da206 93 struct snd_gus_card *gus = snd_kcontrol_chip(kcontrol);
1da177e4
LT
94 unsigned long flags;
95 int addr = kcontrol->private_value & 0xff;
96 unsigned char left, right;
97
98 spin_lock_irqsave(&gus->reg_lock, flags);
99 left = gus->gf1.ics_regs[addr][0];
100 right = gus->gf1.ics_regs[addr][1];
101 spin_unlock_irqrestore(&gus->reg_lock, flags);
102 ucontrol->value.integer.value[0] = left & 127;
103 ucontrol->value.integer.value[1] = right & 127;
104 return 0;
105}
106
5e2da206 107static int snd_ics_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 108{
5e2da206 109 struct snd_gus_card *gus = snd_kcontrol_chip(kcontrol);
1da177e4
LT
110 unsigned long flags;
111 int addr = kcontrol->private_value & 0xff;
112 int change;
113 unsigned char val1, val2, oval1, oval2, tmp;
114
115 val1 = ucontrol->value.integer.value[0] & 127;
116 val2 = ucontrol->value.integer.value[1] & 127;
117 spin_lock_irqsave(&gus->reg_lock, flags);
118 oval1 = gus->gf1.ics_regs[addr][0];
119 oval2 = gus->gf1.ics_regs[addr][1];
120 change = val1 != oval1 || val2 != oval2;
121 gus->gf1.ics_regs[addr][0] = val1;
122 gus->gf1.ics_regs[addr][1] = val2;
123 if (gus->ics_flag && gus->ics_flipped &&
124 (addr == SNDRV_ICS_GF1_DEV || addr == SNDRV_ICS_MASTER_DEV)) {
125 tmp = val1;
126 val1 = val2;
127 val2 = tmp;
128 }
129 addr <<= 3;
130 outb(addr | 0, GUSP(gus, MIXCNTRLPORT));
131 outb(1, GUSP(gus, MIXDATAPORT));
132 outb(addr | 2, GUSP(gus, MIXCNTRLPORT));
133 outb((unsigned char) val1, GUSP(gus, MIXDATAPORT));
134 outb(addr | 1, GUSP(gus, MIXCNTRLPORT));
135 outb(2, GUSP(gus, MIXDATAPORT));
136 outb(addr | 3, GUSP(gus, MIXCNTRLPORT));
137 outb((unsigned char) val2, GUSP(gus, MIXDATAPORT));
138 spin_unlock_irqrestore(&gus->reg_lock, flags);
139 return change;
140}
141
5e2da206 142static struct snd_kcontrol_new snd_gf1_controls[] = {
1da177e4
LT
143GF1_SINGLE("Master Playback Switch", 0, 1, 1),
144GF1_SINGLE("Line Switch", 0, 0, 1),
145GF1_SINGLE("Mic Switch", 0, 2, 0)
146};
147
5e2da206 148static struct snd_kcontrol_new snd_ics_controls[] = {
1da177e4
LT
149GF1_SINGLE("Master Playback Switch", 0, 1, 1),
150ICS_DOUBLE("Master Playback Volume", 0, SNDRV_ICS_MASTER_DEV),
151ICS_DOUBLE("Synth Playback Volume", 0, SNDRV_ICS_GF1_DEV),
152GF1_SINGLE("Line Switch", 0, 0, 1),
153ICS_DOUBLE("Line Playback Volume", 0, SNDRV_ICS_LINE_DEV),
154GF1_SINGLE("Mic Switch", 0, 2, 0),
155ICS_DOUBLE("Mic Playback Volume", 0, SNDRV_ICS_MIC_DEV),
156ICS_DOUBLE("CD Playback Volume", 0, SNDRV_ICS_CD_DEV)
157};
158
5e2da206 159int snd_gf1_new_mixer(struct snd_gus_card * gus)
1da177e4 160{
5e2da206 161 struct snd_card *card;
1da177e4
LT
162 unsigned int idx, max;
163 int err;
164
165 snd_assert(gus != NULL, return -EINVAL);
166 card = gus->card;
167 snd_assert(card != NULL, return -EINVAL);
168
169 if (gus->ics_flag)
170 snd_component_add(card, "ICS2101");
171 if (card->mixername[0] == '\0') {
172 strcpy(card->mixername, gus->ics_flag ? "GF1,ICS2101" : "GF1");
173 } else {
174 if (gus->ics_flag)
175 strcat(card->mixername, ",ICS2101");
176 strcat(card->mixername, ",GF1");
177 }
178
179 if (!gus->ics_flag) {
180 max = gus->ess_flag ? 1 : ARRAY_SIZE(snd_gf1_controls);
181 for (idx = 0; idx < max; idx++) {
182 if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_gf1_controls[idx], gus))) < 0)
183 return err;
184 }
185 } else {
186 for (idx = 0; idx < ARRAY_SIZE(snd_ics_controls); idx++) {
187 if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_ics_controls[idx], gus))) < 0)
188 return err;
189 }
190 }
191 return 0;
192}