Commit | Line | Data |
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4a161d23 ML |
1 | /* |
2 | * Au12x0/Au1550 PSC ALSA ASoC audio support. | |
3 | * | |
4 | * (c) 2007-2008 MSC Vertriebsges.m.b.H., | |
0f83d639 | 5 | * Manuel Lauss <manuel.lauss@gmail.com> |
4a161d23 ML |
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 | ||
0f83d639 ML |
24 | /* DBDMA helpers */ |
25 | extern struct platform_device *au1xpsc_pcm_add(struct platform_device *pdev); | |
26 | extern void au1xpsc_pcm_destroy(struct platform_device *dmapd); | |
27 | ||
4a161d23 ML |
28 | struct au1xpsc_audio_data { |
29 | void __iomem *mmio; | |
30 | ||
31 | unsigned long cfg; | |
32 | unsigned long rate; | |
33 | ||
34 | unsigned long pm[2]; | |
35 | struct resource *ioarea; | |
cdc65fbe | 36 | struct mutex lock; |
0f83d639 | 37 | struct platform_device *dmapd; |
4a161d23 ML |
38 | }; |
39 | ||
40 | #define PCM_TX 0 | |
41 | #define PCM_RX 1 | |
42 | ||
43 | #define SUBSTREAM_TYPE(substream) \ | |
44 | ((substream)->stream == SNDRV_PCM_STREAM_PLAYBACK ? PCM_TX : PCM_RX) | |
45 | ||
46 | /* easy access macros */ | |
47 | #define PSC_CTRL(x) ((unsigned long)((x)->mmio) + PSC_CTRL_OFFSET) | |
48 | #define PSC_SEL(x) ((unsigned long)((x)->mmio) + PSC_SEL_OFFSET) | |
49 | #define I2S_STAT(x) ((unsigned long)((x)->mmio) + PSC_I2SSTAT_OFFSET) | |
50 | #define I2S_CFG(x) ((unsigned long)((x)->mmio) + PSC_I2SCFG_OFFSET) | |
51 | #define I2S_PCR(x) ((unsigned long)((x)->mmio) + PSC_I2SPCR_OFFSET) | |
52 | #define AC97_CFG(x) ((unsigned long)((x)->mmio) + PSC_AC97CFG_OFFSET) | |
53 | #define AC97_CDC(x) ((unsigned long)((x)->mmio) + PSC_AC97CDC_OFFSET) | |
54 | #define AC97_EVNT(x) ((unsigned long)((x)->mmio) + PSC_AC97EVNT_OFFSET) | |
55 | #define AC97_PCR(x) ((unsigned long)((x)->mmio) + PSC_AC97PCR_OFFSET) | |
56 | #define AC97_RST(x) ((unsigned long)((x)->mmio) + PSC_AC97RST_OFFSET) | |
57 | #define AC97_STAT(x) ((unsigned long)((x)->mmio) + PSC_AC97STAT_OFFSET) | |
58 | ||
59 | #endif |