diff options
Diffstat (limited to 'firmware/drivers/audio')
-rw-r--r-- | firmware/drivers/audio/dac3550a.c | 124 | ||||
-rw-r--r-- | firmware/drivers/audio/mas35xx.c | 99 |
2 files changed, 218 insertions, 5 deletions
diff --git a/firmware/drivers/audio/dac3550a.c b/firmware/drivers/audio/dac3550a.c new file mode 100644 index 0000000000..e13602e481 --- /dev/null +++ b/firmware/drivers/audio/dac3550a.c | |||
@@ -0,0 +1,124 @@ | |||
1 | /*************************************************************************** | ||
2 | * __________ __ ___. | ||
3 | * Open \______ \ ____ ____ | | _\_ |__ _______ ___ | ||
4 | * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / | ||
5 | * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < | ||
6 | * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ | ||
7 | * \/ \/ \/ \/ \/ | ||
8 | * $Id: dac.c 17847 2008-06-28 18:10:04Z bagder $ | ||
9 | * | ||
10 | * Copyright (C) 2002 by Linus Nielsen Feltzing | ||
11 | * | ||
12 | * This program is free software; you can redistribute it and/or | ||
13 | * modify it under the terms of the GNU General Public License | ||
14 | * as published by the Free Software Foundation; either version 2 | ||
15 | * of the License, or (at your option) any later version. | ||
16 | * | ||
17 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY | ||
18 | * KIND, either express or implied. | ||
19 | * | ||
20 | ****************************************************************************/ | ||
21 | #include "config.h" | ||
22 | #include "stdbool.h" | ||
23 | #include "i2c.h" | ||
24 | #include "debug.h" | ||
25 | #include "dac3550a.h" | ||
26 | |||
27 | static bool line_in_enabled = false; | ||
28 | static bool dac_enabled = false; | ||
29 | |||
30 | /* convert tenth of dB volume (-780..+180) to dac3550 register value */ | ||
31 | int tenthdb2reg(int db) | ||
32 | { | ||
33 | if (db < -540) /* 3 dB steps */ | ||
34 | return (db + 780) / 30; | ||
35 | else /* 1.5 dB steps */ | ||
36 | return (db + 660) / 15; | ||
37 | } | ||
38 | |||
39 | int dac_volume(unsigned int left, unsigned int right, bool deemph) | ||
40 | { | ||
41 | int ret = 0; | ||
42 | unsigned char buf[3]; | ||
43 | |||
44 | i2c_begin(); | ||
45 | |||
46 | if (left > 0x38) | ||
47 | left = 0x38; | ||
48 | if (right > 0x38) | ||
49 | right = 0x38; | ||
50 | |||
51 | buf[0] = DAC_REG_WRITE | DAC_AVOL; | ||
52 | buf[1] = (left & 0x3f) | (deemph ? 0x40 : 0); | ||
53 | buf[2] = right & 0x3f; | ||
54 | |||
55 | /* send write command */ | ||
56 | if (i2c_write(DAC_DEV_WRITE,buf,3)) | ||
57 | { | ||
58 | ret = -1; | ||
59 | } | ||
60 | |||
61 | i2c_end(); | ||
62 | return ret; | ||
63 | } | ||
64 | |||
65 | /****************************************************************** | ||
66 | ** Bit6: 0 = 3V 1 = 5V | ||
67 | ** Bit5: 0 = normal 1 = low power | ||
68 | ** Bit4: 0 = AUX2 off 1 = AUX2 on | ||
69 | ** Bit3: 0 = AUX1 off 1 = AUX1 on | ||
70 | ** Bit2: 0 = DAC off 1 = DAC on | ||
71 | ** Bit1: 0 = stereo 1 = mono | ||
72 | ** Bit0: 0 = normal right amp 1 = inverted right amp | ||
73 | ******************************************************************/ | ||
74 | /* dac_config is called once to initialize it. we will apply | ||
75 | our static settings because of the init flow. | ||
76 | dac_init -> dac_line_in -> mpeg_init -> dac_config | ||
77 | */ | ||
78 | static int dac_config(void) | ||
79 | { | ||
80 | int ret = 0; | ||
81 | unsigned char buf[2]; | ||
82 | |||
83 | i2c_begin(); | ||
84 | |||
85 | buf[0] = DAC_REG_WRITE | DAC_GCFG; | ||
86 | buf[1] = (dac_enabled ? 0x04 : 0) | | ||
87 | (line_in_enabled ? 0x08 : 0); | ||
88 | |||
89 | /* send write command */ | ||
90 | if (i2c_write(DAC_DEV_WRITE,buf,2)) | ||
91 | { | ||
92 | ret = -1; | ||
93 | } | ||
94 | |||
95 | i2c_end(); | ||
96 | return ret; | ||
97 | } | ||
98 | |||
99 | void dac_enable(bool enable) | ||
100 | { | ||
101 | dac_enabled = enable; | ||
102 | dac_config(); | ||
103 | } | ||
104 | |||
105 | void dac_line_in(bool enable) | ||
106 | { | ||
107 | line_in_enabled = enable; | ||
108 | dac_config(); | ||
109 | } | ||
110 | |||
111 | void dac_init(void) | ||
112 | { | ||
113 | unsigned char buf[2]; | ||
114 | |||
115 | i2c_begin(); | ||
116 | |||
117 | buf[0] = DAC_REG_WRITE | DAC_SR_REG; | ||
118 | buf[1] = 0x07; | ||
119 | |||
120 | /* send write command */ | ||
121 | i2c_write(DAC_DEV_WRITE,buf,2); | ||
122 | i2c_end(); | ||
123 | } | ||
124 | |||
diff --git a/firmware/drivers/audio/mas35xx.c b/firmware/drivers/audio/mas35xx.c index 342d8a3c2e..e6cc665109 100644 --- a/firmware/drivers/audio/mas35xx.c +++ b/firmware/drivers/audio/mas35xx.c | |||
@@ -23,8 +23,8 @@ | |||
23 | ****************************************************************************/ | 23 | ****************************************************************************/ |
24 | 24 | ||
25 | #include "config.h" | 25 | #include "config.h" |
26 | #include "system.h" /* MAX MIN macros */ | ||
26 | #include "audiohw.h" | 27 | #include "audiohw.h" |
27 | #include "mas.h" | ||
28 | 28 | ||
29 | const struct sound_settings_info audiohw_settings[] = { | 29 | const struct sound_settings_info audiohw_settings[] = { |
30 | #if (CONFIG_CODEC == MAS3587F) || (CONFIG_CODEC == MAS3539F) | 30 | #if (CONFIG_CODEC == MAS3587F) || (CONFIG_CODEC == MAS3539F) |
@@ -56,10 +56,15 @@ const struct sound_settings_info audiohw_settings[] = { | |||
56 | #endif | 56 | #endif |
57 | }; | 57 | }; |
58 | 58 | ||
59 | |||
60 | int channel_configuration = SOUND_CHAN_STEREO; | 59 | int channel_configuration = SOUND_CHAN_STEREO; |
61 | int stereo_width = 100; | 60 | int stereo_width = 100; |
62 | 61 | ||
62 | #if (CONFIG_CODEC == MAS3587F) || (CONFIG_CODEC == MAS3539F) | ||
63 | unsigned long mdb_shape_shadow = 0; | ||
64 | unsigned long loudness_shadow = 0; | ||
65 | unsigned long shadow_io_control_main; | ||
66 | #endif | ||
67 | |||
63 | 68 | ||
64 | static void set_channel_config(void) | 69 | static void set_channel_config(void) |
65 | { | 70 | { |
@@ -181,13 +186,97 @@ void audiohw_set_treble(int val) | |||
181 | } | 186 | } |
182 | 187 | ||
183 | #if (CONFIG_CODEC == MAS3587F) || (CONFIG_CODEC == MAS3539F) | 188 | #if (CONFIG_CODEC == MAS3587F) || (CONFIG_CODEC == MAS3539F) |
184 | void audiohw_set_volume(int val) { | 189 | void audiohw_set_volume(int val) |
190 | { | ||
185 | unsigned tmp = ((unsigned)(val + 115) & 0xff) << 8; | 191 | unsigned tmp = ((unsigned)(val + 115) & 0xff) << 8; |
186 | mas_codec_writereg(MAS_REG_VOLUME_CONTROL, tmp); | 192 | mas_codec_writereg(MAS_REG_VOLUME_CONTROL, tmp); |
187 | } | 193 | } |
188 | 194 | ||
189 | void audiohw_set_balance(int val) { | 195 | void audiohw_set_loudness(int value) |
196 | { | ||
197 | loudness_shadow = (loudness_shadow & 0x04) | | ||
198 | (MAX(MIN(value * 4, 0x44), 0) << 8); | ||
199 | mas_codec_writereg(MAS_REG_KLOUDNESS, loudness_shadow); | ||
200 | } | ||
201 | |||
202 | void audiohw_set_avc(int value) | ||
203 | { | ||
204 | int tmp; | ||
205 | |||
206 | static const uint16_t avc_vals[] = | ||
207 | { | ||
208 | (0x1 << 8) | (0x8 << 12), /* 20ms */ | ||
209 | (0x2 << 8) | (0x8 << 12), /* 2s */ | ||
210 | (0x4 << 8) | (0x8 << 12), /* 4s */ | ||
211 | (0x8 << 8) | (0x8 << 12), /* 8s */ | ||
212 | }; | ||
213 | switch (value) { | ||
214 | case 1: | ||
215 | case 2: | ||
216 | case 3: | ||
217 | case 4: | ||
218 | tmp = avc_vals[value -1]; | ||
219 | break; | ||
220 | case -1: /* turn off and then turn on again to decay quickly */ | ||
221 | tmp = mas_codec_readreg(MAS_REG_KAVC); | ||
222 | mas_codec_writereg(MAS_REG_KAVC, 0); | ||
223 | break; | ||
224 | default: /* off */ | ||
225 | tmp = 0; | ||
226 | break; | ||
227 | } | ||
228 | mas_codec_writereg(MAS_REG_KAVC, tmp); | ||
229 | } | ||
230 | |||
231 | void audiohw_set_mdb_strength(int value) | ||
232 | { | ||
233 | mas_codec_writereg(MAS_REG_KMDB_STR, (value & 0x7f) << 8); | ||
234 | } | ||
235 | |||
236 | void audiohw_set_mdb_harmonics(int value) | ||
237 | { | ||
238 | int tmp = value * 127 / 100; | ||
239 | mas_codec_writereg(MAS_REG_KMDB_HAR, (tmp & 0x7f) << 8); | ||
240 | } | ||
241 | |||
242 | void audiohw_set_mdb_center(int value) | ||
243 | { | ||
244 | mas_codec_writereg(MAS_REG_KMDB_FC, (value/10) << 8); | ||
245 | } | ||
246 | |||
247 | void audiohw_set_mdb_shape(int value) | ||
248 | { | ||
249 | mdb_shape_shadow = (mdb_shape_shadow & 0x02) | ((value/10) << 8); | ||
250 | mas_codec_writereg(MAS_REG_KMDB_SWITCH, mdb_shape_shadow); | ||
251 | } | ||
252 | |||
253 | void audiohw_set_mdb_enable(int value) | ||
254 | { | ||
255 | mdb_shape_shadow = (mdb_shape_shadow & ~0x02) | (value?2:0); | ||
256 | mas_codec_writereg(MAS_REG_KMDB_SWITCH, mdb_shape_shadow); | ||
257 | } | ||
258 | |||
259 | void audiohw_set_superbass(int value) | ||
260 | { | ||
261 | loudness_shadow = (loudness_shadow & ~0x04) | (value?4:0); | ||
262 | mas_codec_writereg(MAS_REG_KLOUDNESS, loudness_shadow); | ||
263 | } | ||
264 | |||
265 | void audiohw_set_balance(int val) | ||
266 | { | ||
190 | unsigned tmp = ((unsigned)(val * 127 / 100) & 0xff) << 8; | 267 | unsigned tmp = ((unsigned)(val * 127 / 100) & 0xff) << 8; |
191 | mas_codec_writereg(MAS_REG_BALANCE, tmp); | 268 | mas_codec_writereg(MAS_REG_BALANCE, tmp); |
192 | } | 269 | } |
193 | #endif | 270 | |
271 | void audiohw_set_pitch(unsigned long val) | ||
272 | { | ||
273 | mas_writemem(MAS_BANK_D0, MAS_D0_OFREQ_CONTROL, &val, 1); | ||
274 | |||
275 | /* We must tell the MAS that the frequency has changed. | ||
276 | * This will unfortunately cause a short silence. */ | ||
277 | |||
278 | mas_writemem(MAS_BANK_D0, MAS_D0_IO_CONTROL_MAIN, &shadow_io_control_main, 1); | ||
279 | } | ||
280 | |||
281 | #endif /* CONFIG_CODEC == MAS3587F || CONFIG_CODEC == MAS3539F */ | ||
282 | |||