Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) // SPDX-License-Identifier: GPL-2.0-or-later
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  * Copyright (C) 2011 Freescale Semiconductor, Inc. All Rights Reserved.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  * Based on sound/soc/imx/imx-pcm-dma-mx2.c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) #include <linux/device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <sound/core.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <sound/pcm.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <sound/soc.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <sound/dmaengine_pcm.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include "mxs-pcm.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) static const struct snd_pcm_hardware snd_mxs_hardware = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 	.info			= SNDRV_PCM_INFO_MMAP |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 				  SNDRV_PCM_INFO_MMAP_VALID |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 				  SNDRV_PCM_INFO_PAUSE |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 				  SNDRV_PCM_INFO_RESUME |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 				  SNDRV_PCM_INFO_INTERLEAVED |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 				  SNDRV_PCM_INFO_HALF_DUPLEX,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 	.period_bytes_min	= 32,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 	.period_bytes_max	= 8192,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 	.periods_min		= 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 	.periods_max		= 52,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 	.buffer_bytes_max	= 64 * 1024,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 	.fifo_size		= 32,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) static const struct snd_dmaengine_pcm_config mxs_dmaengine_pcm_config = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 	.pcm_hardware = &snd_mxs_hardware,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 	.prealloc_buffer_size = 64 * 1024,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) int mxs_pcm_platform_register(struct device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 	return devm_snd_dmaengine_pcm_register(dev, &mxs_dmaengine_pcm_config,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 		SND_DMAENGINE_PCM_FLAG_HALF_DUPLEX);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) EXPORT_SYMBOL_GPL(mxs_pcm_platform_register);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) MODULE_LICENSE("GPL");