Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  *  Copyright (C) 2020 Texas Instruments Incorporated - https://www.ti.com
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  *  Author: Peter Ujfalusi <peter.ujfalusi@ti.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) #include <sound/core.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) #include <sound/pcm.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <sound/pcm_params.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <sound/soc.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <sound/dmaengine_pcm.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include "udma-pcm.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) static const struct snd_pcm_hardware udma_pcm_hardware = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 	.info			= SNDRV_PCM_INFO_MMAP |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 				  SNDRV_PCM_INFO_MMAP_VALID |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 				  SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 				  SNDRV_PCM_INFO_NO_PERIOD_WAKEUP |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 				  SNDRV_PCM_INFO_INTERLEAVED,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 	.buffer_bytes_max	= SIZE_MAX,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 	.period_bytes_min	= 32,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 	.period_bytes_max	= SZ_64K,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 	.periods_min		= 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 	.periods_max		= UINT_MAX,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) static const struct snd_dmaengine_pcm_config udma_dmaengine_pcm_config = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 	.pcm_hardware = &udma_pcm_hardware,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 	.prepare_slave_config = snd_dmaengine_pcm_prepare_slave_config,
^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) int udma_pcm_platform_register(struct device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 	return devm_snd_dmaengine_pcm_register(dev, &udma_dmaengine_pcm_config,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 					       0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) EXPORT_SYMBOL_GPL(udma_pcm_platform_register);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) MODULE_AUTHOR("Peter Ujfalusi <peter.ujfalusi@ti.com>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) MODULE_DESCRIPTION("UDMA PCM ASoC platform driver");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) MODULE_LICENSE("GPL v2");