| /* |
| * 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 |