diff options
Diffstat (limited to 'sound/soc/intel/avs/dsp.c')
| -rw-r--r-- | sound/soc/intel/avs/dsp.c | 27 |
1 files changed, 24 insertions, 3 deletions
diff --git a/sound/soc/intel/avs/dsp.c b/sound/soc/intel/avs/dsp.c index 3ff17bd22a5a..06d2f7af520f 100644 --- a/sound/soc/intel/avs/dsp.c +++ b/sound/soc/intel/avs/dsp.c @@ -6,10 +6,10 @@ // Amadeusz Slawinski <amadeuszx.slawinski@linux.intel.com> // -#include <linux/module.h> #include <sound/hdaudio_ext.h> #include "avs.h" #include "registers.h" +#include "trace.h" #define AVS_ADSPCS_INTERVAL_US 500 #define AVS_ADSPCS_TIMEOUT_US 50000 @@ -19,6 +19,9 @@ int avs_dsp_core_power(struct avs_dev *adev, u32 core_mask, bool power) u32 value, mask, reg; int ret; + value = snd_hdac_adsp_readl(adev, AVS_ADSP_REG_ADSPCS); + trace_avs_dsp_core_op(value, core_mask, "power", power); + mask = AVS_ADSPCS_SPA_MASK(core_mask); value = power ? mask : 0; @@ -43,6 +46,9 @@ int avs_dsp_core_reset(struct avs_dev *adev, u32 core_mask, bool reset) u32 value, mask, reg; int ret; + value = snd_hdac_adsp_readl(adev, AVS_ADSP_REG_ADSPCS); + trace_avs_dsp_core_op(value, core_mask, "reset", reset); + mask = AVS_ADSPCS_CRST_MASK(core_mask); value = reset ? mask : 0; @@ -64,6 +70,9 @@ int avs_dsp_core_stall(struct avs_dev *adev, u32 core_mask, bool stall) u32 value, mask, reg; int ret; + value = snd_hdac_adsp_readl(adev, AVS_ADSP_REG_ADSPCS); + trace_avs_dsp_core_op(value, core_mask, "stall", stall); + mask = AVS_ADSPCS_CSTALL_MASK(core_mask); value = stall ? mask : 0; @@ -152,6 +161,15 @@ static int avs_dsp_get_core(struct avs_dev *adev, u32 core_id) adev->core_refs[core_id]++; if (adev->core_refs[core_id] == 1) { + /* + * No cores other than main-core can be running for DSP + * to achieve d0ix. Conscious SET_D0IX IPC failure is permitted, + * simply d0ix power state will no longer be attempted. + */ + ret = avs_dsp_disable_d0ix(adev); + if (ret && ret != -AVS_EIPC) + goto err_disable_d0ix; + ret = avs_dsp_enable(adev, mask); if (ret) goto err_enable_dsp; @@ -160,6 +178,8 @@ static int avs_dsp_get_core(struct avs_dev *adev, u32 core_id) return 0; err_enable_dsp: + avs_dsp_enable_d0ix(adev); +err_disable_d0ix: adev->core_refs[core_id]--; err: dev_err(adev->dev, "get core %d failed: %d\n", core_id, ret); @@ -185,6 +205,9 @@ static int avs_dsp_put_core(struct avs_dev *adev, u32 core_id) ret = avs_dsp_disable(adev, mask); if (ret) goto err; + + /* Match disable_d0ix in avs_dsp_get_core(). */ + avs_dsp_enable_d0ix(adev); } return 0; @@ -298,5 +321,3 @@ int avs_dsp_delete_pipeline(struct avs_dev *adev, u8 instance_id) ida_free(&adev->ppl_ida, instance_id); return ret; } - -MODULE_LICENSE("GPL"); |