From 76cb841cb886eef6b3bee341a2266c76578724ad Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Mon, 6 May 2024 03:02:30 +0200 Subject: Adding upstream version 4.19.249. Signed-off-by: Daniel Baumann --- sound/soc/fsl/imx-pcm.h | 71 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 71 insertions(+) create mode 100644 sound/soc/fsl/imx-pcm.h (limited to 'sound/soc/fsl/imx-pcm.h') diff --git a/sound/soc/fsl/imx-pcm.h b/sound/soc/fsl/imx-pcm.h new file mode 100644 index 000000000..133c4470a --- /dev/null +++ b/sound/soc/fsl/imx-pcm.h @@ -0,0 +1,71 @@ +/* + * Copyright 2009 Sascha Hauer + * + * This code is based on code copyrighted by Freescale, + * Liam Girdwood, Javier Martin and probably others. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#ifndef _IMX_PCM_H +#define _IMX_PCM_H + +#include + +/* + * Do not change this as the FIQ handler depends on this size + */ +#define IMX_SSI_DMABUF_SIZE (64 * 1024) + +#define IMX_DEFAULT_DMABUF_SIZE (64 * 1024) +#define IMX_SAI_DMABUF_SIZE (64 * 1024) +#define IMX_SPDIF_DMABUF_SIZE (64 * 1024) +#define IMX_ESAI_DMABUF_SIZE (256 * 1024) + +static inline void +imx_pcm_dma_params_init_data(struct imx_dma_data *dma_data, + int dma, enum sdma_peripheral_type peripheral_type) +{ + dma_data->dma_request = dma; + dma_data->priority = DMA_PRIO_HIGH; + dma_data->peripheral_type = peripheral_type; +} + +struct imx_pcm_fiq_params { + int irq; + void __iomem *base; + + /* Pointer to original ssi driver to setup tx rx sizes */ + struct snd_dmaengine_dai_dma_data *dma_params_rx; + struct snd_dmaengine_dai_dma_data *dma_params_tx; +}; + +#if IS_ENABLED(CONFIG_SND_SOC_IMX_PCM_DMA) +int imx_pcm_dma_init(struct platform_device *pdev, size_t size); +#else +static inline int imx_pcm_dma_init(struct platform_device *pdev, size_t size) +{ + return -ENODEV; +} +#endif + +#if IS_ENABLED(CONFIG_SND_SOC_IMX_PCM_FIQ) +int imx_pcm_fiq_init(struct platform_device *pdev, + struct imx_pcm_fiq_params *params); +void imx_pcm_fiq_exit(struct platform_device *pdev); +#else +static inline int imx_pcm_fiq_init(struct platform_device *pdev, + struct imx_pcm_fiq_params *params) +{ + return -ENODEV; +} + +static inline void imx_pcm_fiq_exit(struct platform_device *pdev) +{ +} +#endif + +#endif /* _IMX_PCM_H */ -- cgit v1.2.3