diff options
Diffstat (limited to 'sound/soc/amd/acp/acp-legacy-common.c')
| -rw-r--r-- | sound/soc/amd/acp/acp-legacy-common.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/sound/soc/amd/acp/acp-legacy-common.c b/sound/soc/amd/acp/acp-legacy-common.c index 5b7000eae693..4302d8db88a4 100644 --- a/sound/soc/amd/acp/acp-legacy-common.c +++ b/sound/soc/amd/acp/acp-legacy-common.c @@ -13,6 +13,7 @@ */ #include "amd.h" +#include <linux/pci.h> #include <linux/export.h> static int acp_power_on(struct acp_chip_info *chip) @@ -96,4 +97,22 @@ int acp_deinit(void __iomem *base) } EXPORT_SYMBOL_NS_GPL(acp_deinit, SND_SOC_ACP_COMMON); +int smn_write(struct pci_dev *dev, u32 smn_addr, u32 data) +{ + pci_write_config_dword(dev, 0x60, smn_addr); + pci_write_config_dword(dev, 0x64, data); + return 0; +} +EXPORT_SYMBOL_NS_GPL(smn_write, SND_SOC_ACP_COMMON); + +int smn_read(struct pci_dev *dev, u32 smn_addr) +{ + u32 data; + + pci_write_config_dword(dev, 0x60, smn_addr); + pci_read_config_dword(dev, 0x64, &data); + return data; +} +EXPORT_SYMBOL_NS_GPL(smn_read, SND_SOC_ACP_COMMON); + MODULE_LICENSE("Dual BSD/GPL"); |