aboutsummaryrefslogtreecommitdiffstats
path: root/sound/isa/gus/gus_mixer.c
blob: acc25a29720037b038ae57e0fcf25389ef23770b (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
/*
 *  Copyright (c) by Jaroslav Kysela <perex@suse.cz>
 *  Routines for control of ICS 2101 chip and "mixer" in GF1 chip
 *
 *
 *   This program is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation; either version 2 of the License, or
 *   (at your option) any later version.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, write to the Free Software
 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 *
 */

#include <sound/driver.h>
#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) }

static int snd_gf1_info_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
{
	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
	uinfo->count = 1;
	uinfo->value.integer.min = 0;
	uinfo->value.integer.max = 1;
	return 0;
}

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, tmp;
	
	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)) {
		tmp = val1;
		val1 = val2;
		val2 = tmp;
	}
	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 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 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;

	snd_assert(gus != NULL, return -EINVAL);
	card = gus->card;
	snd_assert(card != NULL, 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;
}