source: mainline/uspace/drv/audio/sb16/mixer.c@ 1912b45

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since 1912b45 was 1912b45, checked in by Jan Vesely <jano.vesely@…>, 12 years ago

Make pcm control iface generic
  • Property mode set to 100644
File size: 7.8 KB
Line 
1/*
2 * Copyright (c) 2011 Jan Vesely
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * - Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * - Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * - The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#include <assert.h>
30#include <stdbool.h>
31#include <errno.h>
32#include <libarch/ddi.h>
33#include <macros.h>
34#include <unistd.h>
35
36#include "ddf_log.h"
37#include "mixer.h"
38
39typedef struct channel {
40 const char *name;
41 uint8_t address;
42 unsigned shift;
43 unsigned volume_levels;
44 bool preserve_bits;
45} channel_t;
46
47/* CT1335 channels */
48static const channel_t channels_table_ct1335[] = {
49 { "Master", 0x02, 1, 8, false }, /* Master, Mono, 3bit volume level */
50 { "Midi", 0x06, 1, 8, false }, /* Midi, Mono, 3bit volume level */
51 { "CD", 0x08, 1, 8, false }, /* CD, Mono, 3bit volume level */
52 { "Voice", 0x0a, 1, 4, false }, /* Voice, Mono, 2bit volume level */
53};
54
55/* CT1345 channels */
56static const channel_t channels_table_ct1345[] = {
57 { "Master Left", 0x22, 5, 8, true }, /* Master, Left, 3bit volume level */
58 { "Master Right", 0x22, 1, 8, true }, /* Master, Right, 3bit volume level */
59 { "MIDI Left", 0x26, 5, 8, true }, /* Midi, Left, 3bit volume level */
60 { "MIDI Right", 0x26, 1, 8, true }, /* Midi, Right, 3bit volume level */
61 { "CD Left", 0x28, 5, 8, true }, /* CD, Left, 3bit volume level */
62 { "CD Right", 0x28, 1, 8, true }, /* CD, Right, 3bit volume level */
63 { "Line In Left", 0x2e, 5, 8, true }, /* Line, Left, 3bit volume level */
64 { "Line In Right", 0x2e, 1, 8, true }, /* Line, Right, 3bit volume level */
65 { "Voice Left", 0x04, 5, 8, true }, /* Voice, Left, 3bit volume level */
66 { "Voice Right", 0x04, 1, 8, true }, /* Voice, Right, 3bit volume level */
67 { "Mic", 0x0a, 1, 4, false }, /* Mic, Mono, 2bit volume level */
68};
69
70/* CT1745 channels */
71static const channel_t channels_table_ct1745[] = {
72 { "Master Left", 0x30, 3, 32, false }, /* Master, Left, 5bit volume level */
73 { "Master Right", 0x31, 3, 32, false }, /* Master, Right, 5bit volume level */
74 { "Voice Left", 0x32, 3, 32, false }, /* Voice, Left, 5bit volume level */
75 { "Voice Right", 0x33, 3, 32, false }, /* Voice, Right, 5bit volume level */
76 { "MIDI Left", 0x34, 3, 32, false }, /* MIDI, Left, 5bit volume level */
77 { "MIDI Right", 0x35, 3, 32, false }, /* MIDI, Right, 5bit volume level */
78 { "CD Left", 0x36, 3, 32, false }, /* CD, Left, 5bit volume level */
79 { "CD Right", 0x37, 3, 32, false }, /* CD, Right, 5bit volume level */
80 { "Line In Left", 0x38, 3, 32, false }, /* Line, Left, 5bit volume level */
81 { "Line In Right", 0x39, 3, 32, false }, /* Line, Right, 5bit volume level */
82 { "Mic", 0x3a, 3, 32, false }, /* Mic, Mono, 5bit volume level */
83 { "PC Speaker", 0x3b, 6, 4, false }, /* PC speaker, Mono, 2bit level */
84 { "Input Gain Left", 0x3f, 6, 4, false }, /* Input Gain, Left, 2bit level */
85 { "Input Gain Right", 0x40, 6, 4, false }, /* Input Gain, Right, 2bit level */
86 { "Output Gain Left", 0x41, 6, 4, false }, /* Output Gain, Left, 2bit level */
87 { "Output Gain Right", 0x42, 6, 4, false }, /* Output Gain, Right, 2bit level */
88 { "Treble Left", 0x44, 4, 16, false }, /* Treble, Left, 4bit volume level */
89 { "Treble Right", 0x45, 4, 16, false }, /* Treble, Right, 4bit volume level */
90 { "Bass Left", 0x46, 4, 16, false }, /* Bass, Left, 4bit volume level */
91 { "Bass Right", 0x47, 4, 16, false }, /* Bass, Right, 4bit volume level */
92};
93
94static const struct {
95 const channel_t *table;
96 size_t count;
97} volume_table[] = {
98 [SB_MIXER_NONE] = { NULL, 0 },
99 [SB_MIXER_UNKNOWN] = { NULL, 0 },
100 [SB_MIXER_CT1335] = {
101 channels_table_ct1335,
102 ARRAY_SIZE(channels_table_ct1335),
103 },
104 [SB_MIXER_CT1345] = {
105 channels_table_ct1345,
106 ARRAY_SIZE(channels_table_ct1345),
107 },
108 [SB_MIXER_CT1745] = {
109 channels_table_ct1745,
110 ARRAY_SIZE(channels_table_ct1745),
111 },
112};
113
114const char * sb_mixer_type_str(sb_mixer_type_t type)
115{
116 static const char *names[] = {
117 [SB_MIXER_NONE] = "No mixer",
118 [SB_MIXER_CT1335] = "CT 1335",
119 [SB_MIXER_CT1345] = "CT 1345",
120 [SB_MIXER_CT1745] = "CT 1745",
121 [SB_MIXER_UNKNOWN] = "Unknown mixer",
122 };
123 return names[type];
124}
125
126int sb_mixer_init(sb_mixer_t *mixer, sb16_regs_t *regs, sb_mixer_type_t type)
127{
128 assert(mixer);
129 mixer->regs = regs;
130 mixer->type = type;
131 if (type == SB_MIXER_UNKNOWN)
132 return ENOTSUP;
133
134 if (type != SB_MIXER_NONE) {
135 pio_write_8(&regs->mixer_address, MIXER_RESET_ADDRESS);
136 pio_write_8(&regs->mixer_data, 1);
137 }
138 pio_write_8(&regs->mixer_address, MIXER_PNP_IRQ_ADDRESS);
139 const uint8_t irq = pio_read_8(&regs->mixer_data);
140 pio_write_8(&regs->mixer_address, MIXER_PNP_DMA_ADDRESS);
141 const uint8_t dma = pio_read_8(&regs->mixer_data);
142 ddf_log_debug("SB16 setup with IRQ 0x%hhx and DMA 0x%hhx.", irq, dma);
143 return EOK;
144}
145
146int sb_mixer_get_control_item_count(const sb_mixer_t *mixer)
147{
148 assert(mixer);
149 return volume_table[mixer->type].count;
150}
151
152int sb_mixer_get_control_item_info(const sb_mixer_t *mixer, unsigned item,
153 const char** name, unsigned *levels)
154{
155 assert(mixer);
156 if (item > volume_table[mixer->type].count)
157 return ENOENT;
158
159 const channel_t *ch = &volume_table[mixer->type].table[item];
160 if (name)
161 *name = ch->name;
162 if (levels)
163 *levels = ch->volume_levels;
164 return EOK;
165}
166
167/**
168 * Write new volume level from mixer registers.
169 * @param mixer SB Mixer to use.
170 * @param index Control item(channel) index.
171 * @param value New volume level.
172 * @return Error code.
173 */
174int sb_mixer_get_control_item_value(const sb_mixer_t *mixer, unsigned item,
175 unsigned *value)
176{
177 assert(mixer);
178 if (!value)
179 return EBADMEM;
180 if (item > volume_table[mixer->type].count)
181 return ENOENT;
182
183 const channel_t *chan = &volume_table[mixer->type].table[item];
184 pio_write_8(&mixer->regs->mixer_address, chan->address);
185 *value = (pio_read_8(&mixer->regs->mixer_data) >> chan->shift)
186 & (chan->volume_levels - 1);
187 return EOK;
188}
189
190/**
191 * Write new volume level to mixer registers.
192 * @param mixer SB Mixer to use.
193 * @param index Control item(channel) index.
194 * @param value New volume level.
195 * @return Error code.
196 */
197int sb_mixer_set_control_item_value(const sb_mixer_t *mixer, unsigned item,
198 unsigned value)
199{
200 assert(mixer);
201 if (item > volume_table[mixer->type].count)
202 return ENOENT;
203
204 const channel_t *chan = &volume_table[mixer->type].table[item];
205 if (value >= chan->volume_levels)
206 value = chan->volume_levels - 1;
207
208 pio_write_8(&mixer->regs->mixer_address, chan->address);
209
210 uint8_t regv = 0;
211 if (chan->preserve_bits) {
212 regv = pio_read_8(&mixer->regs->mixer_data);
213 regv &= ~(uint8_t)((chan->volume_levels - 1) << chan->shift);
214 }
215
216 regv |= value << chan->shift;
217 pio_write_8(&mixer->regs->mixer_data, regv);
218 ddf_log_note("Item %s new value is: %u.",
219 volume_table[mixer->type].table[item].name, value);
220 return EOK;
221}
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