source: mainline/uspace/drv/audio/sb16/mixer.c@ 6843a9c

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since 6843a9c was 427069d, checked in by Jan Vesely <jano.vesely@…>, 14 years ago

sb16: Fix Bass channels offset.
  • Property mode set to 100644
File size: 9.7 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 <bool.h>
30#include <errno.h>
31#include <libarch/ddi.h>
32
33#include "ddf_log.h"
34#include "mixer.h"
35
36typedef struct channel {
37 const char *name;
38 uint8_t address;
39 unsigned shift;
40 unsigned volume_levels;
41 bool preserve_bits;
42} channel_t;
43
44typedef struct volume_item {
45 const char *description;
46 uint8_t channels;
47 const channel_t *channel_table;
48} volume_item_t;
49
50/* CT1335 channels */
51static const channel_t channels_table_ct1335[] = {
52 { "", 0x02, 1, 8, false }, /* Master, Mono, 3bit volume level */
53 { "", 0x06, 1, 8, false }, /* Midi, Mono, 3bit volume level */
54 { "", 0x08, 1, 8, false }, /* CD, Mono, 3bit volume level */
55 { "", 0x0a, 1, 4, false }, /* Voice, Mono, 2bit volume level */
56};
57
58/* CT1345 channels */
59static const channel_t channels_table_ct1345[] = {
60 { "Left", 0x22, 5, 8, true }, /* Master, Left, 3bit volume level */
61 { "Right", 0x22, 1, 8, true }, /* Master, Right, 3bit volume level */
62 { "Left", 0x26, 5, 8, true }, /* Midi, Left, 3bit volume level */
63 { "Right", 0x26, 1, 8, true }, /* Midi, Right, 3bit volume level */
64 { "Left", 0x28, 5, 8, true }, /* CD, Left, 3bit volume level */
65 { "Right", 0x28, 1, 8, true }, /* CD, Right, 3bit volume level */
66 { "Left", 0x2e, 5, 8, true }, /* Line, Left, 3bit volume level */
67 { "Right", 0x2e, 1, 8, true }, /* Line, Right, 3bit volume level */
68 { "Left", 0x04, 5, 8, true }, /* Voice, Left, 3bit volume level */
69 { "Right", 0x04, 1, 8, true }, /* Voice, Right, 3bit volume level */
70 { "", 0x0a, 1, 4, false }, /* Mic, Mono, 2bit volume level */
71};
72
73/* CT1745 channels */
74static const channel_t channels_table_ct1745[] = {
75 { "Left", 0x30, 3, 32, false }, /* Master, Left, 5bit volume level */
76 { "Right", 0x31, 3, 32, false }, /* Master, Right, 5bit volume level */
77 { "Left", 0x32, 3, 32, false }, /* Voice, Left, 5bit volume level */
78 { "Right", 0x33, 3, 32, false }, /* Voice, Right, 5bit volume level */
79 { "Left", 0x34, 3, 32, false }, /* MIDI, Left, 5bit volume level */
80 { "Right", 0x35, 3, 32, false }, /* MIDI, Right, 5bit volume level */
81 { "Left", 0x36, 3, 32, false }, /* CD, Left, 5bit volume level */
82 { "Right", 0x37, 3, 32, false }, /* CD, Right, 5bit volume level */
83 { "Left", 0x38, 3, 32, false }, /* Line, Left, 5bit volume level */
84 { "Right", 0x39, 3, 32, false }, /* Line, Right, 5bit volume level */
85 { "", 0x3a, 3, 32, false }, /* Mic, Mono, 5bit volume level */
86 { "", 0x3b, 6, 4, false }, /* PC speaker, Mono, 2bit level */
87 { "Left", 0x3f, 6, 4, false }, /* Input Gain, Left, 2bit level */
88 { "Right", 0x40, 6, 4, false }, /* Input Gain, Right, 2bit level */
89 { "Left", 0x41, 6, 4, false }, /* Output Gain, Left, 2bit level */
90 { "Right", 0x42, 6, 4, false }, /* Output Gain, Right, 2bit level */
91 { "Left", 0x44, 4, 16, false }, /* Treble, Left, 4bit volume level */
92 { "Right", 0x45, 4, 16, false }, /* Treble, Right, 4bit volume level */
93 { "Left", 0x46, 4, 16, false }, /* Bass, Left, 4bit volume level */
94 { "Right", 0x47, 4, 16, false }, /* Bass, Right, 4bit volume level */
95};
96
97static const volume_item_t volume_ct1335[] = {
98 { "Master", 1, &channels_table_ct1335[0] },
99 { "MIDI", 1, &channels_table_ct1335[1] },
100 { "CD", 1, &channels_table_ct1335[2] },
101 { "Voice", 1, &channels_table_ct1335[3] },
102};
103
104static const volume_item_t volume_ct1345[] = {
105 { "Master", 2, &channels_table_ct1345[0] },
106 { "Voice", 2, &channels_table_ct1345[8] },
107 { "Mic", 1, &channels_table_ct1345[10] },
108 { "MIDI", 2, &channels_table_ct1345[2] },
109 { "CD", 2, &channels_table_ct1345[4] },
110 { "Line", 2, &channels_table_ct1345[6] },
111};
112
113static const volume_item_t volume_ct1745[] = {
114 { "Master", 2, &channels_table_ct1745[0] },
115 { "Voice", 2, &channels_table_ct1745[2] },
116 { "MIDI", 2, &channels_table_ct1745[4] },
117 { "CD", 2, &channels_table_ct1745[6] },
118 { "Line", 2, &channels_table_ct1745[8] },
119 { "Mic", 1, &channels_table_ct1745[10] },
120 { "PC Speaker", 1, &channels_table_ct1745[11] },
121 { "Input Gain", 2, &channels_table_ct1745[12] },
122 { "Output Gain", 2, &channels_table_ct1745[14] },
123 { "Treble", 2, &channels_table_ct1745[16] },
124 { "Bass", 2, &channels_table_ct1745[18] },
125};
126
127static const struct {
128 size_t count;
129 const volume_item_t *table;
130} volume_table[] = {
131 [SB_MIXER_NONE] = { 0, NULL },
132 [SB_MIXER_UNKNOWN] = { 0, NULL },
133 [SB_MIXER_CT1335] = {
134 sizeof(volume_ct1335) / sizeof(volume_item_t), volume_ct1335 },
135 [SB_MIXER_CT1345] = {
136 sizeof(volume_ct1345) / sizeof(volume_item_t), volume_ct1345 },
137 [SB_MIXER_CT1745] = {
138 sizeof(volume_ct1745) / sizeof(volume_item_t), volume_ct1745 },
139};
140/*----------------------------------------------------------------------------*/
141const char * sb_mixer_type_str(sb_mixer_type_t type)
142{
143 static const char * names[] = {
144 [SB_MIXER_CT1335] = "CT 1335",
145 [SB_MIXER_CT1345] = "CT 1345",
146 [SB_MIXER_CT1745] = "CT 1745",
147 [SB_MIXER_UNKNOWN] = "Unknown mixer",
148 };
149 return names[type];
150}
151/*----------------------------------------------------------------------------*/
152int sb_mixer_init(sb_mixer_t *mixer, sb16_regs_t *regs, sb_mixer_type_t type)
153{
154 assert(mixer);
155 mixer->regs = regs;
156 mixer->type = type;
157 if (type == SB_MIXER_UNKNOWN)
158 return ENOTSUP;
159
160 if (type != SB_MIXER_NONE) {
161 pio_write_8(&regs->mixer_address, MIXER_RESET_ADDRESS);
162 pio_write_8(&regs->mixer_data, 1);
163 }
164 pio_write_8(&regs->mixer_address, MIXER_PNP_IRQ_ADDRESS);
165 const uint8_t irq = pio_read_8(&regs->mixer_data);
166 pio_write_8(&regs->mixer_address, MIXER_PNP_DMA_ADDRESS);
167 const uint8_t dma = pio_read_8(&regs->mixer_data);
168 ddf_log_debug("SB16 setup with IRQ 0x%hhx and DMA 0x%hhx.\n", irq, dma);
169 return EOK;
170}
171/*----------------------------------------------------------------------------*/
172int sb_mixer_get_control_item_count(const sb_mixer_t *mixer)
173{
174 assert(mixer);
175 return volume_table[mixer->type].count;
176}
177/*----------------------------------------------------------------------------*/
178int sb_mixer_get_control_item_info(const sb_mixer_t *mixer, unsigned index,
179 const char** name, unsigned *channels)
180{
181 assert(mixer);
182 if (index > volume_table[mixer->type].count)
183 return ENOENT;
184
185 const volume_item_t *item = &volume_table[mixer->type].table[index];
186 if (name)
187 *name = item->description;
188 if (channels)
189 *channels = item->channels;
190 return EOK;
191}
192/*----------------------------------------------------------------------------*/
193int sb_mixer_get_channel_info(const sb_mixer_t *mixer, unsigned index,
194 unsigned channel, const char **name, unsigned *levels)
195{
196 assert(mixer);
197 if (index > volume_table[mixer->type].count)
198 return ENOENT;
199
200 const volume_item_t *item = &volume_table[mixer->type].table[index];
201 if (channel > item->channels)
202 return ENOENT;
203
204 const channel_t *chan = &item->channel_table[channel];
205 if (name)
206 *name = chan->name;
207 if (levels)
208 *levels = chan->volume_levels;
209 return EOK;
210}
211/*----------------------------------------------------------------------------*/
212int sb_mixer_set_volume_level(const sb_mixer_t *mixer,
213 unsigned index, unsigned channel, unsigned level)
214{
215 if (mixer->type == SB_MIXER_UNKNOWN || mixer->type == SB_MIXER_NONE)
216 return ENOTSUP;
217 if (index >= volume_table[mixer->type].count)
218 return ENOENT;
219 if (channel >= volume_table[mixer->type].table[index].channels)
220 return ENOENT;
221
222 const channel_t *chan =
223 &volume_table[mixer->type].table[index].channel_table[channel];
224
225 if (level >= chan->volume_levels)
226 level = chan->volume_levels - 1;
227
228 pio_write_8(&mixer->regs->mixer_address, chan->address);
229
230 uint8_t value = 0;
231 if (chan->preserve_bits) {
232 value = pio_read_8(&mixer->regs->mixer_data);
233 value &= ~(uint8_t)((chan->volume_levels - 1) << chan->shift);
234 }
235
236 value |= level << chan->shift;
237 pio_write_8(&mixer->regs->mixer_data, value);
238 ddf_log_note("Channel %s %s volume set to: %u.\n",
239 volume_table[mixer->type].table[index].description,
240 chan->name, level);
241 return EOK;
242}
243/*----------------------------------------------------------------------------*/
244unsigned sb_mixer_get_volume_level(const sb_mixer_t *mixer, unsigned index,
245 unsigned channel)
246{
247 assert(mixer);
248 if (mixer->type == SB_MIXER_UNKNOWN
249 || mixer->type == SB_MIXER_NONE
250 || (index >= volume_table[mixer->type].count)
251 || (channel >= volume_table[mixer->type].table[index].channels))
252 return 0;
253
254 const channel_t *chan =
255 &volume_table[mixer->type].table[index].channel_table[channel];
256
257 pio_write_8(&mixer->regs->mixer_address, chan->address);
258 return (pio_read_8(&mixer->regs->mixer_data) >> chan->shift)
259 & (chan->volume_levels - 1);
260}
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