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ASoC: amd: add Renoir ACP PCI driver PM ops

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Add Renoir ACP Pci driver pm ops.

Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20200518171704.24999-10-Vijendar.Mukunda@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Vijendar Mukunda 2020-05-19 01:16:59 +08:00 committed by Mark Brown
parent 370e7dde5b
commit c346e768f9
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GPG Key ID: 24D68B725D5487D0
2 changed files with 48 additions and 0 deletions
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46
sound/soc/amd/renoir/rn-pci-acp3x.c
View File

@ -10,6 +10,7 @@
#include <linux/delay.h> #include <linux/delay.h>
#include <linux/platform_device.h> #include <linux/platform_device.h>
#include <linux/interrupt.h> #include <linux/interrupt.h>
#include <linux/pm_runtime.h>
#include "rn_acp3x.h" #include "rn_acp3x.h"
@ -233,6 +234,10 @@ static int snd_rn_acp_probe(struct pci_dev *pci,
ret = PTR_ERR(adata->pdev); ret = PTR_ERR(adata->pdev);
goto unregister_devs; 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; return 0;
unregister_devs: unregister_devs:
@ -250,6 +255,42 @@ disable_pci:
return ret; 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) static void snd_rn_acp_remove(struct pci_dev *pci)
{ {
struct acp_dev_data *adata; 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); ret = rn_acp_deinit(adata->acp_base);
if (ret) if (ret)
dev_err(&pci->dev, "ACP de-init failed\n"); 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_disable_msi(pci);
pci_release_regions(pci); pci_release_regions(pci);
pci_disable_device(pci); pci_disable_device(pci);
@ -278,6 +321,9 @@ static struct pci_driver rn_acp_driver = {
.id_table = snd_rn_acp_ids, .id_table = snd_rn_acp_ids,
.probe = snd_rn_acp_probe, .probe = snd_rn_acp_probe,
.remove = snd_rn_acp_remove, .remove = snd_rn_acp_remove,
.driver = {
.pm = &rn_acp_pm,
}
}; };
module_pci_driver(rn_acp_driver); module_pci_driver(rn_acp_driver);

2
sound/soc/amd/renoir/rn_acp3x.h
View File

@ -40,6 +40,8 @@
#define TWO_CH 0x02 #define TWO_CH 0x02
#define DELAY_US 5 #define DELAY_US 5
#define ACP_COUNTER 20000 #define ACP_COUNTER 20000
/* time in ms for runtime suspend delay */
#define ACP_SUSPEND_DELAY_MS 2000
#define ACP_SRAM_PTE_OFFSET 0x02050000 #define ACP_SRAM_PTE_OFFSET 0x02050000
#define PAGE_SIZE_4K_ENABLE 0x2 #define PAGE_SIZE_4K_ENABLE 0x2