| Vladimir Barinov | 310355c | 2008-02-18 11:40:22 +0100 | [diff] [blame] | 1 | /* |
| 2 | * ALSA PCM interface for the TI DAVINCI processor |
| 3 | * |
| Vladimir Barinov | d6b5203 | 2008-09-29 23:14:11 +0400 | [diff] [blame] | 4 | * Author: Vladimir Barinov, <vbarinov@embeddedalley.com> |
| Vladimir Barinov | 310355c | 2008-02-18 11:40:22 +0100 | [diff] [blame] | 5 | * Copyright: (C) 2007 MontaVista Software, Inc., <source@mvista.com> |
| 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 | |
| 12 | #ifndef _DAVINCI_PCM_H |
| 13 | #define _DAVINCI_PCM_H |
| 14 | |
| Matt Porter | b8ec56d | 2012-10-17 16:08:03 +0200 | [diff] [blame] | 15 | #include <linux/genalloc.h> |
| Hebbar, Gururaja | 896f66b | 2012-08-27 18:56:41 +0530 | [diff] [blame] | 16 | #include <linux/platform_data/davinci_asp.h> |
| Chaithrika U S | b67f448 | 2009-06-05 06:28:40 -0400 | [diff] [blame] | 17 | #include <mach/edma.h> |
| Chaithrika U S | b67f448 | 2009-06-05 06:28:40 -0400 | [diff] [blame] | 18 | |
| Vladimir Barinov | 310355c | 2008-02-18 11:40:22 +0100 | [diff] [blame] | 19 | struct davinci_pcm_dma_params { |
| Chaithrika U S | b67f448 | 2009-06-05 06:28:40 -0400 | [diff] [blame] | 20 | int channel; /* sync dma channel ID */ |
| Chaithrika U S | 6a99fb5 | 2009-08-11 16:58:52 -0400 | [diff] [blame] | 21 | unsigned short acnt; |
| Chaithrika U S | b67f448 | 2009-06-05 06:28:40 -0400 | [diff] [blame] | 22 | dma_addr_t dma_addr; /* device physical address for DMA */ |
| Troy Kisky | 1e224f3 | 2009-11-18 17:49:53 -0700 | [diff] [blame] | 23 | unsigned sram_size; |
| Matt Porter | b8ec56d | 2012-10-17 16:08:03 +0200 | [diff] [blame] | 24 | struct gen_pool *sram_pool; /* SRAM gen_pool for ping pong */ |
| Sekhar Nori | 48519f0 | 2010-07-19 12:31:16 +0530 | [diff] [blame] | 25 | enum dma_event_q asp_chan_q; /* event queue number for ASP channel */ |
| 26 | enum dma_event_q ram_chan_q; /* event queue number for RAM channel */ |
| Chaithrika U S | b67f448 | 2009-06-05 06:28:40 -0400 | [diff] [blame] | 27 | unsigned char data_type; /* xfer data type */ |
| 28 | unsigned char convert_mono_stereo; |
| Chaithrika U S | 4fa9c1a | 2009-09-30 17:32:27 -0400 | [diff] [blame] | 29 | unsigned int fifo_level; |
| Vladimir Barinov | 310355c | 2008-02-18 11:40:22 +0100 | [diff] [blame] | 30 | }; |
| 31 | |
| Hebbar, Gururaja | f08095a | 2012-08-27 18:56:39 +0530 | [diff] [blame] | 32 | int davinci_soc_platform_register(struct device *dev); |
| 33 | void davinci_soc_platform_unregister(struct device *dev); |
| 34 | |
| Vladimir Barinov | 310355c | 2008-02-18 11:40:22 +0100 | [diff] [blame] | 35 | #endif |