source: mainline/uspace/drv/audio/sb16/mixer.c@ b881226

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since b881226 was b881226, checked in by Jan Vesely <jano.vesely@…>, 13 years ago

sb16: Add Mono channels description.
  • Property mode set to 100644
File size: 9.2 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 <bool.h>
31#include <errno.h>
32#include <libarch/ddi.h>
33#include <unistd.h>
34
35#include "ddf_log.h"
36#include "mixer.h"
37
38typedef struct channel {
39 const char *name;
40 uint8_t address;
41 unsigned shift;
42 unsigned volume_levels;
43 bool preserve_bits;
44} channel_t;
45
46typedef struct volume_item {
47 const char *description;
48 uint8_t channels;
49 const channel_t *channel_table;
50} volume_item_t;
51
52/* CT1335 channels */
53static const channel_t channels_table_ct1335[] = {
54 { "Mono", 0x02, 1, 8, false }, /* Master, Mono, 3bit volume level */
55 { "Mono", 0x06, 1, 8, false }, /* Midi, Mono, 3bit volume level */
56 { "Mono", 0x08, 1, 8, false }, /* CD, Mono, 3bit volume level */
57 { "Mono", 0x0a, 1, 4, false }, /* Voice, Mono, 2bit volume level */
58};
59
60/* CT1345 channels */
61static const channel_t channels_table_ct1345[] = {
62 { "Left", 0x22, 5, 8, true }, /* Master, Left, 3bit volume level */
63 { "Right", 0x22, 1, 8, true }, /* Master, Right, 3bit volume level */
64 { "Left", 0x26, 5, 8, true }, /* Midi, Left, 3bit volume level */
65 { "Right", 0x26, 1, 8, true }, /* Midi, Right, 3bit volume level */
66 { "Left", 0x28, 5, 8, true }, /* CD, Left, 3bit volume level */
67 { "Right", 0x28, 1, 8, true }, /* CD, Right, 3bit volume level */
68 { "Left", 0x2e, 5, 8, true }, /* Line, Left, 3bit volume level */
69 { "Right", 0x2e, 1, 8, true }, /* Line, Right, 3bit volume level */
70 { "Left", 0x04, 5, 8, true }, /* Voice, Left, 3bit volume level */
71 { "Right", 0x04, 1, 8, true }, /* Voice, Right, 3bit volume level */
72 { "Mono", 0x0a, 1, 4, false }, /* Mic, Mono, 2bit volume level */
73};
74
75/* CT1745 channels */
76static const channel_t channels_table_ct1745[] = {
77 { "Left", 0x30, 3, 32, false }, /* Master, Left, 5bit volume level */
78 { "Right", 0x31, 3, 32, false }, /* Master, Right, 5bit volume level */
79 { "Left", 0x32, 3, 32, false }, /* Voice, Left, 5bit volume level */
80 { "Right", 0x33, 3, 32, false }, /* Voice, Right, 5bit volume level */
81 { "Left", 0x34, 3, 32, false }, /* MIDI, Left, 5bit volume level */
82 { "Right", 0x35, 3, 32, false }, /* MIDI, Right, 5bit volume level */
83 { "Left", 0x36, 3, 32, false }, /* CD, Left, 5bit volume level */
84 { "Right", 0x37, 3, 32, false }, /* CD, Right, 5bit volume level */
85 { "Left", 0x38, 3, 32, false }, /* Line, Left, 5bit volume level */
86 { "Right", 0x39, 3, 32, false }, /* Line, Right, 5bit volume level */
87 { "Mono", 0x3a, 3, 32, false }, /* Mic, Mono, 5bit volume level */
88 { "Mono", 0x3b, 6, 4, false }, /* PC speaker, Mono, 2bit level */
89 { "Left", 0x3f, 6, 4, false }, /* Input Gain, Left, 2bit level */
90 { "Right", 0x40, 6, 4, false }, /* Input Gain, Right, 2bit level */
91 { "Left", 0x41, 6, 4, false }, /* Output Gain, Left, 2bit level */
92 { "Right", 0x42, 6, 4, false }, /* Output Gain, Right, 2bit level */
93 { "Left", 0x44, 4, 16, false }, /* Treble, Left, 4bit volume level */
94 { "Right", 0x45, 4, 16, false }, /* Treble, Right, 4bit volume level */
95 { "Left", 0x46, 4, 16, false }, /* Bass, Left, 4bit volume level */
96 { "Right", 0x47, 4, 16, false }, /* Bass, Right, 4bit volume level */
97};
98
99static const volume_item_t volume_ct1335[] = {
100 { "Master", 1, &channels_table_ct1335[0] },
101 { "MIDI", 1, &channels_table_ct1335[1] },
102 { "CD", 1, &channels_table_ct1335[2] },
103 { "Voice", 1, &channels_table_ct1335[3] },
104};
105
106static const volume_item_t volume_ct1345[] = {
107 { "Master", 2, &channels_table_ct1345[0] },
108 { "Voice", 2, &channels_table_ct1345[8] },
109 { "Mic", 1, &channels_table_ct1345[10] },
110 { "MIDI", 2, &channels_table_ct1345[2] },
111 { "CD", 2, &channels_table_ct1345[4] },
112 { "Line", 2, &channels_table_ct1345[6] },
113};
114
115static const volume_item_t volume_ct1745[] = {
116 { "Master", 2, &channels_table_ct1745[0] },
117 { "Voice", 2, &channels_table_ct1745[2] },
118 { "MIDI", 2, &channels_table_ct1745[4] },
119 { "CD", 2, &channels_table_ct1745[6] },
120 { "Line", 2, &channels_table_ct1745[8] },
121 { "Mic", 1, &channels_table_ct1745[10] },
122 { "PC Speaker", 1, &channels_table_ct1745[11] },
123 { "Input Gain", 2, &channels_table_ct1745[12] },
124 { "Output Gain", 2, &channels_table_ct1745[14] },
125 { "Treble", 2, &channels_table_ct1745[16] },
126 { "Bass", 2, &channels_table_ct1745[18] },
127};
128
129static const struct {
130 size_t count;
131 const volume_item_t *table;
132} volume_table[] = {
133 [SB_MIXER_NONE] = { 0, NULL },
134 [SB_MIXER_UNKNOWN] = { 0, NULL },
135 [SB_MIXER_CT1335] = {
136 sizeof(volume_ct1335) / sizeof(volume_item_t), volume_ct1335 },
137 [SB_MIXER_CT1345] = {
138 sizeof(volume_ct1345) / sizeof(volume_item_t), volume_ct1345 },
139 [SB_MIXER_CT1745] = {
140 sizeof(volume_ct1745) / sizeof(volume_item_t), volume_ct1745 },
141};
142
143const char * sb_mixer_type_str(sb_mixer_type_t type)
144{
145 static const char * names[] = {
146 [SB_MIXER_CT1335] = "CT 1335",
147 [SB_MIXER_CT1345] = "CT 1345",
148 [SB_MIXER_CT1745] = "CT 1745",
149 [SB_MIXER_UNKNOWN] = "Unknown mixer",
150 };
151 return names[type];
152}
153
154int sb_mixer_init(sb_mixer_t *mixer, sb16_regs_t *regs, sb_mixer_type_t type)
155{
156 assert(mixer);
157 mixer->regs = regs;
158 mixer->type = type;
159 if (type == SB_MIXER_UNKNOWN)
160 return ENOTSUP;
161
162 if (type != SB_MIXER_NONE) {
163 pio_write_8(&regs->mixer_address, MIXER_RESET_ADDRESS);
164 pio_write_8(&regs->mixer_data, 1);
165 }
166 pio_write_8(&regs->mixer_address, MIXER_PNP_IRQ_ADDRESS);
167 const uint8_t irq = pio_read_8(&regs->mixer_data);
168 pio_write_8(&regs->mixer_address, MIXER_PNP_DMA_ADDRESS);
169 const uint8_t dma = pio_read_8(&regs->mixer_data);
170 ddf_log_debug("SB16 setup with IRQ 0x%hhx and DMA 0x%hhx.", irq, dma);
171 return EOK;
172}
173
174int sb_mixer_get_control_item_count(const sb_mixer_t *mixer)
175{
176 assert(mixer);
177 return volume_table[mixer->type].count;
178}
179
180int sb_mixer_get_control_item_info(const sb_mixer_t *mixer, unsigned index,
181 const char** name, unsigned *channels)
182{
183 assert(mixer);
184 if (index > volume_table[mixer->type].count)
185 return ENOENT;
186
187 const volume_item_t *item = &volume_table[mixer->type].table[index];
188 if (name)
189 *name = item->description;
190 if (channels)
191 *channels = item->channels;
192 return EOK;
193}
194
195int sb_mixer_get_channel_info(const sb_mixer_t *mixer, unsigned index,
196 unsigned channel, const char **name, unsigned *levels)
197{
198 assert(mixer);
199 if (index > volume_table[mixer->type].count)
200 return ENOENT;
201
202 const volume_item_t *item = &volume_table[mixer->type].table[index];
203 if (channel > item->channels)
204 return ENOENT;
205
206 const channel_t *chan = &item->channel_table[channel];
207 if (name)
208 *name = chan->name;
209 if (levels)
210 *levels = chan->volume_levels;
211 return EOK;
212}
213
214int sb_mixer_set_volume_level(const sb_mixer_t *mixer,
215 unsigned index, unsigned channel, unsigned level)
216{
217 if (mixer->type == SB_MIXER_UNKNOWN || mixer->type == SB_MIXER_NONE)
218 return ENOTSUP;
219 if (index >= volume_table[mixer->type].count)
220 return ENOENT;
221 if (channel >= volume_table[mixer->type].table[index].channels)
222 return ENOENT;
223
224 const channel_t *chan =
225 &volume_table[mixer->type].table[index].channel_table[channel];
226
227 if (level >= chan->volume_levels)
228 level = chan->volume_levels - 1;
229
230 pio_write_8(&mixer->regs->mixer_address, chan->address);
231
232 uint8_t value = 0;
233 if (chan->preserve_bits) {
234 value = pio_read_8(&mixer->regs->mixer_data);
235 value &= ~(uint8_t)((chan->volume_levels - 1) << chan->shift);
236 }
237
238 value |= level << chan->shift;
239 pio_write_8(&mixer->regs->mixer_data, value);
240 ddf_log_note("Channel %s %s volume set to: %u.",
241 volume_table[mixer->type].table[index].description,
242 chan->name, level);
243 return EOK;
244}
245
246unsigned sb_mixer_get_volume_level(const sb_mixer_t *mixer, unsigned index,
247 unsigned channel)
248{
249 assert(mixer);
250 if (mixer->type == SB_MIXER_UNKNOWN
251 || mixer->type == SB_MIXER_NONE
252 || (index >= volume_table[mixer->type].count)
253 || (channel >= volume_table[mixer->type].table[index].channels))
254 return 0;
255
256 const channel_t *chan =
257 &volume_table[mixer->type].table[index].channel_table[channel];
258
259 pio_write_8(&mixer->regs->mixer_address, chan->address);
260 return (pio_read_8(&mixer->regs->mixer_data) >> chan->shift)
261 & (chan->volume_levels - 1);
262}
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