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
snd_gf1_get_single(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)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
snd_gf1_put_single(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)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
snd_ics_info_double(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_info * uinfo)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
snd_ics_get_double(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)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
snd_ics_put_double(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)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
snd_gf1_new_mixer(struct snd_gus_card * gus)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 if (snd_BUG_ON(!gus))
165 return -EINVAL;
166 card = gus->card;
167 if (snd_BUG_ON(!card))
168 return -EINVAL;
169
170 if (gus->ics_flag)
171 snd_component_add(card, "ICS2101");
172 if (card->mixername[0] == '\0') {
173 strcpy(card->mixername, gus->ics_flag ? "GF1,ICS2101" : "GF1");
174 } else {
175 if (gus->ics_flag)
176 strcat(card->mixername, ",ICS2101");
177 strcat(card->mixername, ",GF1");
178 }
179
180 if (!gus->ics_flag) {
181 max = gus->ess_flag ? 1 : ARRAY_SIZE(snd_gf1_controls);
182 for (idx = 0; idx < max; idx++) {
183 if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_gf1_controls[idx], gus))) < 0)
184 return err;
185 }
186 } else {
187 for (idx = 0; idx < ARRAY_SIZE(snd_ics_controls); idx++) {
188 if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_ics_controls[idx], gus))) < 0)
189 return err;
190 }
191 }
192 return 0;
193 }
194