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Diffstat (limited to 'sound/soc/davinci/davinci-mcasp.h')
| -rw-r--r-- | sound/soc/davinci/davinci-mcasp.h | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/sound/soc/davinci/davinci-mcasp.h b/sound/soc/davinci/davinci-mcasp.h new file mode 100644 index 00000000..4681acc6 --- /dev/null +++ b/sound/soc/davinci/davinci-mcasp.h @@ -0,0 +1,59 @@ +/* + * ALSA SoC McASP Audio Layer for TI DAVINCI processor + * + * MCASP related definitions + * + * Author: Nirmal Pandey <n-pandey@ti.com>, + * Suresh Rajashekara <suresh.r@ti.com> + * Steve Chen <schen@.mvista.com> + * + * Copyright: (C) 2009 MontaVista Software, Inc., <source@mvista.com> + * Copyright: (C) 2009 Texas Instruments, India + * + * 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 DAVINCI_MCASP_H +#define DAVINCI_MCASP_H + +#include <linux/io.h> +#include <mach/asp.h> +#include "davinci-pcm.h" + +#define DAVINCI_MCASP_RATES SNDRV_PCM_RATE_8000_96000 +#define DAVINCI_MCASP_I2S_DAI 0 +#define DAVINCI_MCASP_DIT_DAI 1 + +enum { + DAVINCI_AUDIO_WORD_8 = 0, + DAVINCI_AUDIO_WORD_12, + DAVINCI_AUDIO_WORD_16, + DAVINCI_AUDIO_WORD_20, + DAVINCI_AUDIO_WORD_24, + DAVINCI_AUDIO_WORD_32, + DAVINCI_AUDIO_WORD_28, /* This is only valid for McASP */ +}; + +struct davinci_audio_dev { + struct davinci_pcm_dma_params dma_params[2]; + void __iomem *base; + int sample_rate; + struct clk *clk; + unsigned int codec_fmt; + u8 clk_active; + + /* McASP specific data */ + int tdm_slots; + u8 op_mode; + u8 num_serializer; + u8 *serial_dir; + u8 version; + + /* McASP FIFO related */ + u8 txnumevt; + u8 rxnumevt; +}; + +#endif /* DAVINCI_MCASP_H */ |