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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/sound/soc/amd/acp/acp-sdw-mach-common.c
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// SPDX-License-Identifier: GPL-2.0-only

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// Copyright(c) 2024 Advanced Micro Devices, Inc.

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/*

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 *  acp-sdw-mach-common - Common machine driver helper functions for

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 *  legacy(No DSP) stack and SOF stack.

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 */

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#include <linux/device.h>

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#include <linux/module.h>

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#include "soc_amd_sdw_common.h"

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int get_acp63_cpu_pin_id(u32 sdw_link_id, int be_id, int *cpu_pin_id, struct device *dev)

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{

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	switch (sdw_link_id) {

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	case AMD_SDW0:

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		switch (be_id) {

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		case SOC_SDW_JACK_OUT_DAI_ID:

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			*cpu_pin_id = ACP63_SW0_AUDIO0_TX;

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			break;

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		case SOC_SDW_JACK_IN_DAI_ID:

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			*cpu_pin_id = ACP63_SW0_AUDIO0_RX;

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			break;

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		case SOC_SDW_AMP_OUT_DAI_ID:

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			*cpu_pin_id = ACP63_SW0_AUDIO1_TX;

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			break;

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		case SOC_SDW_AMP_IN_DAI_ID:

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			*cpu_pin_id = ACP63_SW0_AUDIO1_RX;

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			break;

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		case SOC_SDW_DMIC_DAI_ID:

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			*cpu_pin_id = ACP63_SW0_AUDIO2_RX;

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			break;

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		default:

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			dev_err(dev, "Invalid be id:%d\n", be_id);

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			return -EINVAL;

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		}

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		break;

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	case AMD_SDW1:

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		switch (be_id) {

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		case SOC_SDW_JACK_OUT_DAI_ID:

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		case SOC_SDW_AMP_OUT_DAI_ID:

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			*cpu_pin_id = ACP63_SW1_AUDIO0_TX;

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			break;

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		case SOC_SDW_JACK_IN_DAI_ID:

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		case SOC_SDW_AMP_IN_DAI_ID:

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		case SOC_SDW_DMIC_DAI_ID:

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			*cpu_pin_id = ACP63_SW1_AUDIO0_RX;

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			break;

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		default:

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			dev_err(dev, "invalid be_id:%d\n", be_id);

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			return -EINVAL;

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		}

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		break;

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	default:

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		dev_err(dev, "Invalid link id:%d\n", sdw_link_id);

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		return -EINVAL;

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	}

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	return 0;

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}

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EXPORT_SYMBOL_NS_GPL(get_acp63_cpu_pin_id, "SND_SOC_AMD_SDW_MACH");

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int get_acp70_cpu_pin_id(u32 sdw_link_id, int be_id, int *cpu_pin_id, struct device *dev)

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{

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	switch (sdw_link_id) {

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	case AMD_SDW0:

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	case AMD_SDW1:

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		switch (be_id) {

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		case SOC_SDW_JACK_OUT_DAI_ID:

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			*cpu_pin_id = ACP70_SW_AUDIO0_TX;

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			break;

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		case SOC_SDW_JACK_IN_DAI_ID:

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			*cpu_pin_id = ACP70_SW_AUDIO0_RX;

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			break;

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		case SOC_SDW_AMP_OUT_DAI_ID:

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			*cpu_pin_id = ACP70_SW_AUDIO1_TX;

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			break;

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		case SOC_SDW_AMP_IN_DAI_ID:

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			*cpu_pin_id = ACP70_SW_AUDIO1_RX;

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			break;

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		case SOC_SDW_DMIC_DAI_ID:

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			*cpu_pin_id = ACP70_SW_AUDIO2_RX;

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			break;

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		default:

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			dev_err(dev, "Invalid be id:%d\n", be_id);

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			return -EINVAL;

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		}

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		break;

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	default:

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		return -EINVAL;

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	}

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	dev_dbg(dev, "sdw_link_id:%d, be_id:%d, cpu_pin_id:%d\n", sdw_link_id, be_id, *cpu_pin_id);

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	return 0;

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}

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EXPORT_SYMBOL_NS_GPL(get_acp70_cpu_pin_id, "SND_SOC_AMD_SDW_MACH");

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MODULE_DESCRIPTION("AMD SoundWire Common Machine driver");

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MODULE_AUTHOR("Vijendar Mukunda <[email protected]>");

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MODULE_LICENSE("GPL");

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