diff options
Diffstat (limited to 'sound/soc/davinci/davinci-pcm.h')
| -rw-r--r-- | sound/soc/davinci/davinci-pcm.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/sound/soc/davinci/davinci-pcm.h b/sound/soc/davinci/davinci-pcm.h new file mode 100644 index 00000000000..0fe2346a9aa --- /dev/null +++ b/sound/soc/davinci/davinci-pcm.h @@ -0,0 +1,41 @@ +/* + * ALSA PCM interface for the TI DAVINCI processor + * + * Author: Vladimir Barinov, <vbarinov@embeddedalley.com> + * Copyright: (C) 2007 MontaVista Software, Inc., <source@mvista.com> + * + * 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_PCM_H +#define _DAVINCI_PCM_H + +#include <linux/genalloc.h> +#include <linux/platform_data/davinci_asp.h> +#include <linux/platform_data/edma.h> + +struct davinci_pcm_dma_params { + int channel; /* sync dma channel ID */ + unsigned short acnt; + dma_addr_t dma_addr; /* device physical address for DMA */ + unsigned sram_size; + struct gen_pool *sram_pool; /* SRAM gen_pool for ping pong */ + enum dma_event_q asp_chan_q; /* event queue number for ASP channel */ + enum dma_event_q ram_chan_q; /* event queue number for RAM channel */ + unsigned char data_type; /* xfer data type */ + unsigned char convert_mono_stereo; + unsigned int fifo_level; +}; + +#if IS_ENABLED(CONFIG_SND_DAVINCI_SOC) +int davinci_soc_platform_register(struct device *dev); +#else +static inline int davinci_soc_platform_register(struct device *dev) +{ + return 0; +} +#endif /* CONFIG_SND_DAVINCI_SOC */ + +#endif |