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Diffstat (limited to 'sound/soc/tegra/tegra20_ac97.h')
| -rw-r--r-- | sound/soc/tegra/tegra20_ac97.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/sound/soc/tegra/tegra20_ac97.h b/sound/soc/tegra/tegra20_ac97.h new file mode 100644 index 000000000000..430ecc1500f4 --- /dev/null +++ b/sound/soc/tegra/tegra20_ac97.h @@ -0,0 +1,43 @@ +/* + * linux/sound/soc/tegra/tegra20_ac97.h + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef _TEGRA_AC97_H +#define _TEGRA_AC97_H + +#include "tegra_pcm.h" + +/* Tegra DAI ID's */ +#define TEGRA_DAI_AC97_PCM 0 /* slot 3: PCM left channel */ + /* slot 4: PCM right channel */ +#define TEGRA_DAI_AC97_MODEM 1 /* slot 5: modem line 1 */ + + /* slot 11: touch panel digitizer data */ + +#define AC97_FIFO_ATN_LVL_NONE 0 +#define AC97_FIFO_ATN_LVL_EMPTY 1 +#define AC97_FIFO_ATN_LVL_QUART 2 +#define AC97_FIFO_ATN_LVL_3QUART 3 +#define AC97_FIFO_ATN_LVL_FULL 4 + +#define AC97_FIFO_TX 0 +#define AC97_FIFO_RX 1 + +#define AC97_SAMPLE_RATES SNDRV_PCM_RATE_8000_48000 + +/* AC97 controller */ +struct tegra20_ac97 { + struct clk *dap_mclk; + struct clk *clk_ac97; + struct snd_card *card; + struct tegra_pcm_dma_params capture_dma_data; + phys_addr_t phys; + struct tegra_pcm_dma_params playback_dma_data; + void __iomem *regs; +}; + +#endif |