Unverified Commit c346e768 authored by Vijendar Mukunda's avatar Vijendar Mukunda Committed by Mark Brown
Browse files

ASoC: amd: add Renoir ACP PCI driver PM ops 



Add Renoir ACP Pci driver pm ops.

Signed-off-by: default avatarVijendar Mukunda <Vijendar.Mukunda@amd.com>
Reviewed-by: default avatarPierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20200518171704.24999-10-Vijendar.Mukunda@amd.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 370e7dde

sound/soc/amd/renoir/rn-pci-acp3x.c

+46 −0
Original line number Diff line number Diff line
@@ -10,6 +10,7 @@ 
#include <linux/delay.h>

#include <linux/platform_device.h>

#include <linux/interrupt.h>

#include <linux/pm_runtime.h>



#include "rn_acp3x.h"
@@ -233,6 +234,10 @@ static int snd_rn_acp_probe(struct pci_dev *pci, 
		ret = PTR_ERR(adata->pdev);

		goto unregister_devs;

	}

	pm_runtime_set_autosuspend_delay(&pci->dev, ACP_SUSPEND_DELAY_MS);

	pm_runtime_use_autosuspend(&pci->dev);

	pm_runtime_put_noidle(&pci->dev);

	pm_runtime_allow(&pci->dev);

	return 0;



unregister_devs:
@@ -250,6 +255,42 @@ static int snd_rn_acp_probe(struct pci_dev *pci, 
	return ret;

}



static int snd_rn_acp_suspend(struct device *dev)

{

	int ret;

	struct acp_dev_data *adata;



	adata = dev_get_drvdata(dev);

	ret = rn_acp_deinit(adata->acp_base);

	if (ret)

		dev_err(dev, "ACP de-init failed\n");

	else

		dev_dbg(dev, "ACP de-initialized\n");



	return 0;

}



static int snd_rn_acp_resume(struct device *dev)

{

	int ret;

	struct acp_dev_data *adata;



	adata = dev_get_drvdata(dev);

	ret = rn_acp_init(adata->acp_base);

	if (ret) {

		dev_err(dev, "ACP init failed\n");

		return ret;

	}

	return 0;

}



static const struct dev_pm_ops rn_acp_pm = {

	.runtime_suspend = snd_rn_acp_suspend,

	.runtime_resume =  snd_rn_acp_resume,

	.suspend = snd_rn_acp_suspend,

	.resume =	snd_rn_acp_resume,

};



static void snd_rn_acp_remove(struct pci_dev *pci)

{

	struct acp_dev_data *adata;
@@ -260,6 +301,8 @@ static void snd_rn_acp_remove(struct pci_dev *pci) 
	ret = rn_acp_deinit(adata->acp_base);

	if (ret)

		dev_err(&pci->dev, "ACP de-init failed\n");

	pm_runtime_forbid(&pci->dev);

	pm_runtime_get_noresume(&pci->dev);

	pci_disable_msi(pci);

	pci_release_regions(pci);

	pci_disable_device(pci);
@@ -278,6 +321,9 @@ static struct pci_driver rn_acp_driver = { 
	.id_table = snd_rn_acp_ids,

	.probe = snd_rn_acp_probe,

	.remove = snd_rn_acp_remove,

	.driver = {

		.pm = &rn_acp_pm,

	}

};



module_pci_driver(rn_acp_driver);

sound/soc/amd/renoir/rn_acp3x.h

+2 −0
Original line number Diff line number Diff line
@@ -40,6 +40,8 @@ 
#define TWO_CH 0x02

#define DELAY_US 5

#define ACP_COUNTER 20000

/* time in ms for runtime suspend delay */

#define ACP_SUSPEND_DELAY_MS	2000



#define ACP_SRAM_PTE_OFFSET	0x02050000

#define PAGE_SIZE_4K_ENABLE     0x2