mirror of https://github.com/Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
43 lines
1.2 KiB
43 lines
1.2 KiB
// SPDX-License-Identifier: GPL-2.0 |
|
/* |
|
* Copyright (C) 2020 Texas Instruments Incorporated - https://www.ti.com |
|
* Author: Peter Ujfalusi <[email protected]> |
|
*/ |
|
|
|
#include <linux/module.h> |
|
#include <sound/core.h> |
|
#include <sound/pcm.h> |
|
#include <sound/pcm_params.h> |
|
#include <sound/soc.h> |
|
#include <sound/dmaengine_pcm.h> |
|
|
|
#include "udma-pcm.h" |
|
|
|
static const struct snd_pcm_hardware udma_pcm_hardware = { |
|
.info = SNDRV_PCM_INFO_MMAP | |
|
SNDRV_PCM_INFO_MMAP_VALID | |
|
SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME | |
|
SNDRV_PCM_INFO_NO_PERIOD_WAKEUP | |
|
SNDRV_PCM_INFO_INTERLEAVED, |
|
.buffer_bytes_max = SIZE_MAX, |
|
.period_bytes_min = 32, |
|
.period_bytes_max = SZ_64K, |
|
.periods_min = 2, |
|
.periods_max = UINT_MAX, |
|
}; |
|
|
|
static const struct snd_dmaengine_pcm_config udma_dmaengine_pcm_config = { |
|
.pcm_hardware = &udma_pcm_hardware, |
|
.prepare_slave_config = snd_dmaengine_pcm_prepare_slave_config, |
|
}; |
|
|
|
int udma_pcm_platform_register(struct device *dev) |
|
{ |
|
return devm_snd_dmaengine_pcm_register(dev, &udma_dmaengine_pcm_config, |
|
0); |
|
} |
|
EXPORT_SYMBOL_GPL(udma_pcm_platform_register); |
|
|
|
MODULE_AUTHOR("Peter Ujfalusi <[email protected]>"); |
|
MODULE_DESCRIPTION("UDMA PCM ASoC platform driver"); |
|
MODULE_LICENSE("GPL v2");
|
|
|