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) // Machine driver for AMD Renoir platform using DMIC
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4) //
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) //Copyright 2020 Advanced Micro Devices, Inc.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) #include <sound/soc.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) #include <sound/soc-dapm.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <sound/pcm.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <sound/pcm_params.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/io.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include "rn_acp3x.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #define DRV_NAME "acp_pdm_mach"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) SND_SOC_DAILINK_DEF(acp_pdm,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 		    DAILINK_COMP_ARRAY(COMP_CPU("acp_rn_pdm_dma.0")));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) SND_SOC_DAILINK_DEF(dmic_codec,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 		    DAILINK_COMP_ARRAY(COMP_CODEC("dmic-codec.0",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 						  "dmic-hifi")));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) SND_SOC_DAILINK_DEF(platform,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 		    DAILINK_COMP_ARRAY(COMP_PLATFORM("acp_rn_pdm_dma.0")));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) static struct snd_soc_dai_link acp_dai_pdm[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 		.name = "acp3x-dmic-capture",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 		.stream_name = "DMIC capture",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 		.capture_only = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 		SND_SOC_DAILINK_REG(acp_pdm, dmic_codec, platform),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) static struct snd_soc_card acp_card = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 	.name = "acp",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 	.owner = THIS_MODULE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 	.dai_link = acp_dai_pdm,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 	.num_links = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) static int acp_probe(struct platform_device *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) 	struct acp_pdm *machine = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) 	struct snd_soc_card *card;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) 	card = &acp_card;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) 	acp_card.dev = &pdev->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) 	platform_set_drvdata(pdev, card);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) 	snd_soc_card_set_drvdata(card, machine);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) 	ret = devm_snd_soc_register_card(&pdev->dev, card);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) 	if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) 		dev_err(&pdev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) 			"snd_soc_register_card(%s) failed: %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) 			acp_card.name, ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) static struct platform_driver acp_mach_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) 	.driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) 		.name = "acp_pdm_mach",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) 		.pm = &snd_soc_pm_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) 	.probe = acp_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) module_platform_driver(acp_mach_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) MODULE_AUTHOR("Vijendar.Mukunda@amd.com");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) MODULE_LICENSE("GPL v2");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) MODULE_ALIAS("platform:" DRV_NAME);