diff options
| -rw-r--r-- | src/device/azalia_device.c | 12 | ||||
| -rw-r--r-- | src/include/device/azalia_device.h | 2 |
2 files changed, 14 insertions, 0 deletions
diff --git a/src/device/azalia_device.c b/src/device/azalia_device.c index ab370f95d7..9306e2ac37 100644 --- a/src/device/azalia_device.c +++ b/src/device/azalia_device.c @@ -34,6 +34,18 @@ int azalia_set_bits(void *port, u32 mask, u32 val) return 0; } +int azalia_enter_reset(u8 *base) +{ + /* Set bit 0 to 0 to enter reset state (BAR + 0x8)[0] */ + return azalia_set_bits(base + HDA_GCTL_REG, HDA_GCTL_CRST, 0); +} + +int azalia_exit_reset(u8 *base) +{ + /* Set bit 0 to 1 to exit reset state (BAR + 0x8)[0] */ + return azalia_set_bits(base + HDA_GCTL_REG, HDA_GCTL_CRST, HDA_GCTL_CRST); +} + static int codec_detect(u8 *base) { u32 reg32; diff --git a/src/include/device/azalia_device.h b/src/include/device/azalia_device.h index 194572578f..1b4e769c3f 100644 --- a/src/include/device/azalia_device.h +++ b/src/include/device/azalia_device.h @@ -19,6 +19,8 @@ #define HDA_ICII_VALID (1 << 1) int azalia_set_bits(void *port, u32 mask, u32 val); +int azalia_enter_reset(u8 *base); +int azalia_exit_reset(u8 *base); u32 azalia_find_verb(const u32 *verb_table, u32 verb_table_bytes, u32 viddid, const u32 **verb); void azalia_audio_init(struct device *dev); extern struct device_operations default_azalia_audio_ops; |