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ASoC: amd: add RPL Platform pci driver pm-ops 

Add RPL Platform ACP PCI driver pm ops.

Signed-off-by: Syed Saba Kareem <Syed.SabaKareem@amd.com>
Reviewed-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Link: https://lore.kernel.org/r/20220721061035.91139-4-Syed.SabaKareem@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Syed Saba Kareem 2022-07-21 11:40:01 +05:30 committed by Mark Brown
parent 1059920541
commit bc1100f29d
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
2 changed files with 55 additions and 0 deletions
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40
sound/soc/amd/rpl/rpl-pci-acp6x.c
View File

@ -10,6 +10,7 @@
#include <linux/io.h>
#include <linux/delay.h>
#include <linux/platform_device.h>
#include <linux/pm_runtime.h>
#include "rpl_acp6x.h"
@ -144,6 +145,11 @@ static int snd_rpl_probe(struct pci_dev *pci,
ret = rpl_init(adata->acp6x_base);
if (ret)
goto release_regions;
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;
release_regions:
pci_release_regions(pci);
@ -153,6 +159,35 @@ disable_pci:
return ret;
}
static int __maybe_unused snd_rpl_suspend(struct device *dev)
{
struct rpl_dev_data *adata;
int ret;
adata = dev_get_drvdata(dev);
ret = rpl_deinit(adata->acp6x_base);
if (ret)
dev_err(dev, "ACP de-init failed\n");
return ret;
}
static int __maybe_unused snd_rpl_resume(struct device *dev)
{
struct rpl_dev_data *adata;
int ret;
adata = dev_get_drvdata(dev);
ret = rpl_init(adata->acp6x_base);
if (ret)
dev_err(dev, "ACP init failed\n");
return ret;
}
static const struct dev_pm_ops rpl_pm = {
SET_RUNTIME_PM_OPS(snd_rpl_suspend, snd_rpl_resume, NULL)
SET_SYSTEM_SLEEP_PM_OPS(snd_rpl_suspend, snd_rpl_resume)
};
static void snd_rpl_remove(struct pci_dev *pci)
{
struct rpl_dev_data *adata;
@ -162,6 +197,8 @@ static void snd_rpl_remove(struct pci_dev *pci)
ret = rpl_deinit(adata->acp6x_base);
if (ret)
dev_err(&pci->dev, "ACP de-init failed\n");
pm_runtime_forbid(&pci->dev);
pm_runtime_get_noresume(&pci->dev);
pci_release_regions(pci);
pci_disable_device(pci);
}
@ -179,6 +216,9 @@ static struct pci_driver rpl_acp6x_driver = {
.id_table = snd_rpl_ids,
.probe = snd_rpl_probe,
.remove = snd_rpl_remove,
.driver = {
.pm = &rpl_pm,
}
};
module_pci_driver(rpl_acp6x_driver);

15
sound/soc/amd/rpl/rpl_acp6x.h
View File

@ -10,6 +10,21 @@
#define ACP_DEVICE_ID 0x15E2
#define ACP6x_PHY_BASE_ADDRESS 0x1240000
#define ACP_SOFT_RESET_SOFTRESET_AUDDONE_MASK 0x00010001
#define ACP_PGFSM_CNTL_POWER_ON_MASK 1
#define ACP_PGFSM_CNTL_POWER_OFF_MASK 0
#define ACP_PGFSM_STATUS_MASK 3
#define ACP_POWERED_ON 0
#define ACP_POWER_ON_IN_PROGRESS 1
#define ACP_POWERED_OFF 2
#define ACP_POWER_OFF_IN_PROGRESS 3
#define DELAY_US 5
#define ACP_COUNTER 20000
/* time in ms for runtime suspend delay */
#define ACP_SUSPEND_DELAY_MS 2000
static inline u32 rpl_acp_readl(void __iomem *base_addr)
{
return readl(base_addr - ACP6x_PHY_BASE_ADDRESS);