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Diffstat (limited to 'firmware/drivers/dac.h')
-rw-r--r-- | firmware/drivers/dac.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/firmware/drivers/dac.h b/firmware/drivers/dac.h new file mode 100644 index 0000000000..c860538a24 --- /dev/null +++ b/firmware/drivers/dac.h | |||
@@ -0,0 +1,38 @@ | |||
1 | /*************************************************************************** | ||
2 | * __________ __ ___. | ||
3 | * Open \______ \ ____ ____ | | _\_ |__ _______ ___ | ||
4 | * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / | ||
5 | * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < | ||
6 | * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ | ||
7 | * \/ \/ \/ \/ \/ | ||
8 | * $Id$ | ||
9 | * | ||
10 | * Copyright (C) 2002 by Linus Nielsen Feltzing | ||
11 | * | ||
12 | * All files in this archive are subject to the GNU General Public License. | ||
13 | * See the file COPYING in the source tree root for full license agreement. | ||
14 | * | ||
15 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY | ||
16 | * KIND, either express or implied. | ||
17 | * | ||
18 | ****************************************************************************/ | ||
19 | #ifndef _DAC_H_ | ||
20 | #define _DAC_H_ | ||
21 | |||
22 | /* | ||
23 | DAC I2C defs | ||
24 | */ | ||
25 | #define DAC_ADR 0x9a | ||
26 | #define DAC_DEV_WRITE (DAC_ADR | 0x00) | ||
27 | |||
28 | #define DAC_REG_WRITE 0xc0 | ||
29 | |||
30 | /* registers..*/ | ||
31 | #define DAC_SR_REG 1 | ||
32 | #define DAC_AVOL 2 | ||
33 | #define DAC_GCFG 3 | ||
34 | |||
35 | extern int dac_volume(unsigned int volume); | ||
36 | extern int dac_config(int value); | ||
37 | |||
38 | #endif | ||