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| author |   Liam Girdwood <liam.r.girdwood@linux.intel.com> | 2014-10-29 17:40:42 +0000 |
|---|---|---|
| committer |   Mark Brown <broonie@kernel.org> | 2014-10-29 20:50:42 +0000 |
| commit | aed3c7b77c85ed7060f1f56bfa909d2a86ab2a20 (patch) | |
| tree | 139704f1bedd9a92d432f9071d23e8ecb0c3a992 /sound/soc/intel/sst-haswell-ipc.h | |
| parent | ASoC: Intel: Add PM support to the HSW/BDW DSP core. (diff) | |
| download | linux-dev-aed3c7b77c85ed7060f1f56bfa909d2a86ab2a20.tar.xz linux-dev-aed3c7b77c85ed7060f1f56bfa909d2a86ab2a20.zip | |
ASoC: Intel: Add PM support to HSW/BDW IPC driver
Add PM and RTD3 support to the HSW/BDW IPC driver. This patch
saves and restores the DSP context, loads and unloads FW and drops
any pending IPC messages after suspend.
Signed-off-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to '')
| -rw-r--r-- | sound/soc/intel/sst-haswell-ipc.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/sound/soc/intel/sst-haswell-ipc.h b/sound/soc/intel/sst-haswell-ipc.h index fe6e63f6524a..afd0ae10e2db 100644 --- a/sound/soc/intel/sst-haswell-ipc.h +++ b/sound/soc/intel/sst-haswell-ipc.h @@ -23,6 +23,7 @@ #define SST_HSW_NO_CHANNELS 2 #define SST_HSW_MAX_DX_REGIONS 14 +#define SST_HSW_DX_CONTEXT_SIZE (640 * 1024) #define SST_HSW_FW_LOG_CONFIG_DWORDS 12 #define SST_HSW_GLOBAL_LOG 15 @@ -492,4 +493,10 @@ struct sst_module_runtime *sst_hsw_runtime_module_create(struct sst_hsw *hsw, int mod_id, int offset); void sst_hsw_runtime_module_free(struct sst_module_runtime *runtime); +/* PM */ +int sst_hsw_dsp_runtime_resume(struct sst_hsw *hsw); +int sst_hsw_dsp_runtime_suspend(struct sst_hsw *hsw); +int sst_hsw_dsp_load(struct sst_hsw *hsw); +int sst_hsw_dsp_runtime_sleep(struct sst_hsw *hsw); + #endif |