1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0+ */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * Copyright 2009 Sascha Hauer <s.hauer@pengutronix.de>
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * This code is based on code copyrighted by Freescale,
6*4882a593Smuzhiyun * Liam Girdwood, Javier Martin and probably others.
7*4882a593Smuzhiyun */
8*4882a593Smuzhiyun
9*4882a593Smuzhiyun #ifndef _IMX_PCM_H
10*4882a593Smuzhiyun #define _IMX_PCM_H
11*4882a593Smuzhiyun
12*4882a593Smuzhiyun #include <linux/platform_data/dma-imx.h>
13*4882a593Smuzhiyun
14*4882a593Smuzhiyun /*
15*4882a593Smuzhiyun * Do not change this as the FIQ handler depends on this size
16*4882a593Smuzhiyun */
17*4882a593Smuzhiyun #define IMX_SSI_DMABUF_SIZE (64 * 1024)
18*4882a593Smuzhiyun
19*4882a593Smuzhiyun #define IMX_DEFAULT_DMABUF_SIZE (64 * 1024)
20*4882a593Smuzhiyun #define IMX_SAI_DMABUF_SIZE (64 * 1024)
21*4882a593Smuzhiyun #define IMX_SPDIF_DMABUF_SIZE (64 * 1024)
22*4882a593Smuzhiyun #define IMX_ESAI_DMABUF_SIZE (256 * 1024)
23*4882a593Smuzhiyun
24*4882a593Smuzhiyun static inline void
imx_pcm_dma_params_init_data(struct imx_dma_data * dma_data,int dma,enum sdma_peripheral_type peripheral_type)25*4882a593Smuzhiyun imx_pcm_dma_params_init_data(struct imx_dma_data *dma_data,
26*4882a593Smuzhiyun int dma, enum sdma_peripheral_type peripheral_type)
27*4882a593Smuzhiyun {
28*4882a593Smuzhiyun dma_data->dma_request = dma;
29*4882a593Smuzhiyun dma_data->priority = DMA_PRIO_HIGH;
30*4882a593Smuzhiyun dma_data->peripheral_type = peripheral_type;
31*4882a593Smuzhiyun }
32*4882a593Smuzhiyun
33*4882a593Smuzhiyun struct imx_pcm_fiq_params {
34*4882a593Smuzhiyun int irq;
35*4882a593Smuzhiyun void __iomem *base;
36*4882a593Smuzhiyun
37*4882a593Smuzhiyun /* Pointer to original ssi driver to setup tx rx sizes */
38*4882a593Smuzhiyun struct snd_dmaengine_dai_dma_data *dma_params_rx;
39*4882a593Smuzhiyun struct snd_dmaengine_dai_dma_data *dma_params_tx;
40*4882a593Smuzhiyun };
41*4882a593Smuzhiyun
42*4882a593Smuzhiyun #if IS_ENABLED(CONFIG_SND_SOC_IMX_PCM_DMA)
43*4882a593Smuzhiyun int imx_pcm_dma_init(struct platform_device *pdev, size_t size);
44*4882a593Smuzhiyun #else
imx_pcm_dma_init(struct platform_device * pdev,size_t size)45*4882a593Smuzhiyun static inline int imx_pcm_dma_init(struct platform_device *pdev, size_t size)
46*4882a593Smuzhiyun {
47*4882a593Smuzhiyun return -ENODEV;
48*4882a593Smuzhiyun }
49*4882a593Smuzhiyun #endif
50*4882a593Smuzhiyun
51*4882a593Smuzhiyun #if IS_ENABLED(CONFIG_SND_SOC_IMX_PCM_FIQ)
52*4882a593Smuzhiyun int imx_pcm_fiq_init(struct platform_device *pdev,
53*4882a593Smuzhiyun struct imx_pcm_fiq_params *params);
54*4882a593Smuzhiyun void imx_pcm_fiq_exit(struct platform_device *pdev);
55*4882a593Smuzhiyun #else
imx_pcm_fiq_init(struct platform_device * pdev,struct imx_pcm_fiq_params * params)56*4882a593Smuzhiyun static inline int imx_pcm_fiq_init(struct platform_device *pdev,
57*4882a593Smuzhiyun struct imx_pcm_fiq_params *params)
58*4882a593Smuzhiyun {
59*4882a593Smuzhiyun return -ENODEV;
60*4882a593Smuzhiyun }
61*4882a593Smuzhiyun
imx_pcm_fiq_exit(struct platform_device * pdev)62*4882a593Smuzhiyun static inline void imx_pcm_fiq_exit(struct platform_device *pdev)
63*4882a593Smuzhiyun {
64*4882a593Smuzhiyun }
65*4882a593Smuzhiyun #endif
66*4882a593Smuzhiyun
67*4882a593Smuzhiyun #endif /* _IMX_PCM_H */
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