| Shawn Guo | 4762fba | 2012-03-05 22:30:55 +0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2009 Sascha Hauer <s.hauer@pengutronix.de> |
| 3 | * |
| 4 | * This code is based on code copyrighted by Freescale, |
| 5 | * Liam Girdwood, Javier Martin and probably others. |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or modify it |
| 8 | * under the terms of the GNU General Public License as published by the |
| 9 | * Free Software Foundation; either version 2 of the License, or (at your |
| 10 | * option) any later version. |
| 11 | */ |
| 12 | |
| 13 | #ifndef _IMX_PCM_H |
| 14 | #define _IMX_PCM_H |
| 15 | |
| 16 | /* |
| 17 | * Do not change this as the FIQ handler depends on this size |
| 18 | */ |
| 19 | #define IMX_SSI_DMABUF_SIZE (64 * 1024) |
| 20 | |
| 21 | struct imx_pcm_dma_params { |
| 22 | int dma; |
| 23 | unsigned long dma_addr; |
| 24 | int burstsize; |
| Shawn Guo | b46b373 | 2012-03-28 15:34:56 +0800 | [diff] [blame] | 25 | bool shared_peripheral; /* The peripheral is on SPBA bus */ |
| Shawn Guo | 4762fba | 2012-03-05 22:30:55 +0800 | [diff] [blame] | 26 | }; |
| 27 | |
| 28 | int snd_imx_pcm_mmap(struct snd_pcm_substream *substream, |
| 29 | struct vm_area_struct *vma); |
| 30 | int imx_pcm_new(struct snd_soc_pcm_runtime *rtd); |
| 31 | void imx_pcm_free(struct snd_pcm *pcm); |
| 32 | |
| Shawn Guo | 1927661 | 2013-01-28 14:25:43 +0800 | [diff] [blame] | 33 | #ifdef CONFIG_SND_SOC_IMX_PCM_DMA |
| 34 | int imx_pcm_dma_init(struct platform_device *pdev); |
| 35 | #else |
| 36 | static inline int imx_pcm_dma_init(struct platform_device *pdev) |
| 37 | { |
| 38 | return -ENODEV; |
| 39 | } |
| 40 | #endif |
| 41 | |
| 42 | #ifdef CONFIG_SND_SOC_IMX_PCM_FIQ |
| 43 | int imx_pcm_fiq_init(struct platform_device *pdev); |
| 44 | #else |
| 45 | static inline int imx_pcm_fiq_init(struct platform_device *pdev) |
| 46 | { |
| 47 | return -ENODEV; |
| 48 | } |
| 49 | #endif |
| 50 | |
| Shawn Guo | 4762fba | 2012-03-05 22:30:55 +0800 | [diff] [blame] | 51 | #endif /* _IMX_PCM_H */ |