diff options
Diffstat (limited to 'sound/soc/au1x/psc.h')
-rw-r--r-- | sound/soc/au1x/psc.h | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/sound/soc/au1x/psc.h b/sound/soc/au1x/psc.h new file mode 100644 index 000000000000..8fdb1a04a07b --- /dev/null +++ b/sound/soc/au1x/psc.h | |||
@@ -0,0 +1,53 @@ | |||
1 | /* | ||
2 | * Au12x0/Au1550 PSC ALSA ASoC audio support. | ||
3 | * | ||
4 | * (c) 2007-2008 MSC Vertriebsges.m.b.H., | ||
5 | * Manuel Lauss <mano@roarinelk.homelinux.net> | ||
6 | * | ||
7 | * This program is free software; you can redistribute it and/or modify | ||
8 | * it under the terms of the GNU General Public License version 2 as | ||
9 | * published by the Free Software Foundation. | ||
10 | * | ||
11 | * NOTE: all of these drivers can only work with a SINGLE instance | ||
12 | * of a PSC. Multiple independent audio devices are impossible | ||
13 | * with ASoC v1. | ||
14 | */ | ||
15 | |||
16 | #ifndef _AU1X_PCM_H | ||
17 | #define _AU1X_PCM_H | ||
18 | |||
19 | extern struct snd_soc_dai au1xpsc_ac97_dai; | ||
20 | extern struct snd_soc_dai au1xpsc_i2s_dai; | ||
21 | extern struct snd_soc_platform au1xpsc_soc_platform; | ||
22 | extern struct snd_ac97_bus_ops soc_ac97_ops; | ||
23 | |||
24 | struct au1xpsc_audio_data { | ||
25 | void __iomem *mmio; | ||
26 | |||
27 | unsigned long cfg; | ||
28 | unsigned long rate; | ||
29 | |||
30 | unsigned long pm[2]; | ||
31 | struct resource *ioarea; | ||
32 | }; | ||
33 | |||
34 | #define PCM_TX 0 | ||
35 | #define PCM_RX 1 | ||
36 | |||
37 | #define SUBSTREAM_TYPE(substream) \ | ||
38 | ((substream)->stream == SNDRV_PCM_STREAM_PLAYBACK ? PCM_TX : PCM_RX) | ||
39 | |||
40 | /* easy access macros */ | ||
41 | #define PSC_CTRL(x) ((unsigned long)((x)->mmio) + PSC_CTRL_OFFSET) | ||
42 | #define PSC_SEL(x) ((unsigned long)((x)->mmio) + PSC_SEL_OFFSET) | ||
43 | #define I2S_STAT(x) ((unsigned long)((x)->mmio) + PSC_I2SSTAT_OFFSET) | ||
44 | #define I2S_CFG(x) ((unsigned long)((x)->mmio) + PSC_I2SCFG_OFFSET) | ||
45 | #define I2S_PCR(x) ((unsigned long)((x)->mmio) + PSC_I2SPCR_OFFSET) | ||
46 | #define AC97_CFG(x) ((unsigned long)((x)->mmio) + PSC_AC97CFG_OFFSET) | ||
47 | #define AC97_CDC(x) ((unsigned long)((x)->mmio) + PSC_AC97CDC_OFFSET) | ||
48 | #define AC97_EVNT(x) ((unsigned long)((x)->mmio) + PSC_AC97EVNT_OFFSET) | ||
49 | #define AC97_PCR(x) ((unsigned long)((x)->mmio) + PSC_AC97PCR_OFFSET) | ||
50 | #define AC97_RST(x) ((unsigned long)((x)->mmio) + PSC_AC97RST_OFFSET) | ||
51 | #define AC97_STAT(x) ((unsigned long)((x)->mmio) + PSC_AC97STAT_OFFSET) | ||
52 | |||
53 | #endif | ||