projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 4762fbab SG |
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 | ||
| 312bb4f6 LPC |
16 | #include <linux/platform_data/dma-imx.h> |
| 17 | ||
| 4762fbab SG |
18 | /* |
| 19 | * Do not change this as the FIQ handler depends on this size | |
| 20 | */ | |
| 21 | #define IMX_SSI_DMABUF_SIZE (64 * 1024) | |
| 22 | ||
| 0d69e0dd SW |
23 | #define IMX_DEFAULT_DMABUF_SIZE (64 * 1024) |
| 24 | #define IMX_SAI_DMABUF_SIZE (64 * 1024) | |
| 25 | #define IMX_SPDIF_DMABUF_SIZE (64 * 1024) | |
| 26 | #define IMX_ESAI_DMABUF_SIZE (256 * 1024) | |
| 27 | ||
| 312bb4f6 | 28 | static inline void |
| a8909c9b | 29 | imx_pcm_dma_params_init_data(struct imx_dma_data *dma_data, |
| 32bd8cd2 | 30 | int dma, enum sdma_peripheral_type peripheral_type) |
| 312bb4f6 | 31 | { |
| a8909c9b LPC |
32 | dma_data->dma_request = dma; |
| 33 | dma_data->priority = DMA_PRIO_HIGH; | |
| 32bd8cd2 | 34 | dma_data->peripheral_type = peripheral_type; |
| 312bb4f6 LPC |
35 | } |
| 36 | ||
| 9051cba1 MP |
37 | struct imx_pcm_fiq_params { |
| 38 | int irq; | |
| 39 | void __iomem *base; | |
| 40 | ||
| 41 | /* Pointer to original ssi driver to setup tx rx sizes */ | |
| 42 | struct snd_dmaengine_dai_dma_data *dma_params_rx; | |
| 43 | struct snd_dmaengine_dai_dma_data *dma_params_tx; | |
| 44 | }; | |
| 45 | ||
| 3f1a91aa | 46 | #if IS_ENABLED(CONFIG_SND_SOC_IMX_PCM_DMA) |
| 0d69e0dd | 47 | int imx_pcm_dma_init(struct platform_device *pdev, size_t size); |
| 1927661b | 48 | #else |
| 0d69e0dd | 49 | static inline int imx_pcm_dma_init(struct platform_device *pdev, size_t size) |
| 1927661b SG |
50 | { |
| 51 | return -ENODEV; | |
| 52 | } | |
| 53 | #endif | |
| 54 | ||
| 3f1a91aa | 55 | #if IS_ENABLED(CONFIG_SND_SOC_IMX_PCM_FIQ) |
| 9051cba1 MP |
56 | int imx_pcm_fiq_init(struct platform_device *pdev, |
| 57 | struct imx_pcm_fiq_params *params); | |
| 88e89f55 | 58 | void imx_pcm_fiq_exit(struct platform_device *pdev); |
| 1927661b | 59 | #else |
| 9051cba1 MP |
60 | static inline int imx_pcm_fiq_init(struct platform_device *pdev, |
| 61 | struct imx_pcm_fiq_params *params) | |
| 1927661b SG |
62 | { |
| 63 | return -ENODEV; | |
| 64 | } | |
| 88e89f55 SG |
65 | |
| 66 | static inline void imx_pcm_fiq_exit(struct platform_device *pdev) | |
| 67 | { | |
| 68 | } | |
| 1927661b SG |
69 | #endif |
| 70 | ||
| 4762fbab | 71 | #endif /* _IMX_PCM_H */ |