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| author | Vinod Koul <vinod.koul@intel.com> | 2011-05-03 17:31:49 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-05-10 12:52:10 -0700 |
| commit | afe9194d58e87b38993fafb2b716a6c7756fab93 (patch) | |
| tree | 529b65a31302a04e1eebef28cfe0b82f3fb1e65f /drivers/staging/intel_sst/intel_sst_common.h | |
| parent | 31dea7385174596f4369f71c712f1d1006a3fa05 (diff) | |
| download | kernel_samsung_smdk4412-afe9194d58e87b38993fafb2b716a6c7756fab93.zip kernel_samsung_smdk4412-afe9194d58e87b38993fafb2b716a6c7756fab93.tar.gz kernel_samsung_smdk4412-afe9194d58e87b38993fafb2b716a6c7756fab93.tar.bz2 | |
intel_sst: Save audio state across D3 on Medfield
During suspend and runtime_suspend audio dsp will be in D3 state
and will loose its context.
This patch adds support in driver to save the dsp context
and restore this context during resume
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Ramesh Babu K V <ramesh.babu@intel.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/staging/intel_sst/intel_sst_common.h')
| -rw-r--r-- | drivers/staging/intel_sst/intel_sst_common.h | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/staging/intel_sst/intel_sst_common.h b/drivers/staging/intel_sst/intel_sst_common.h index 0a60e86..0f48838 100644 --- a/drivers/staging/intel_sst/intel_sst_common.h +++ b/drivers/staging/intel_sst/intel_sst_common.h @@ -28,8 +28,8 @@ * Common private declarations for SST */ -#define SST_DRIVER_VERSION "1.2.09" -#define SST_VERSION_NUM 0x1209 +#define SST_DRIVER_VERSION "1.2.11" +#define SST_VERSION_NUM 0x1211 /* driver names */ #define SST_DRV_NAME "intel_sst_driver" @@ -37,6 +37,7 @@ #define SST_MFLD_PCI_ID 0x082F #define PCI_ID_LENGTH 4 #define SST_SUSPEND_DELAY 2000 +#define FW_CONTEXT_MEM (64*1024) enum sst_states { SST_FW_LOADED = 1, @@ -94,7 +95,7 @@ enum sst_ram_type { /* SST shim registers to structure mapping */ union config_status_reg { struct { - u32 rsvd0:1; + u32 mfld_strb:1; u32 sst_reset:1; u32 hw_rsvd:3; u32 sst_clk:2; @@ -417,6 +418,8 @@ struct intel_sst_drv { unsigned int audio_start; dev_t devt_d, devt_c; unsigned int max_streams; + unsigned int *fw_cntx; + unsigned int fw_cntx_size; }; extern struct intel_sst_drv *sst_drv_ctx; |