ASoC: Intel: Skylake: Add support for programming D0i3C
To set the controller in D0i3 mode, the driver needs to set D0i3C
register after DSP is quiesced. Since the D0iX entry/exit is done by IPC,
add this as callback so that it can be invoked from IPC module.
Signed-off-by: Pardha Saradhi K <pardha.saradhi.kesapragada@intel.com>
Signed-off-by: Jayachandran B <jayachandran.b@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
diff --git a/sound/soc/intel/skylake/skl.h b/sound/soc/intel/skylake/skl.h
index 5d4fbb0..88ba54b 100644
--- a/sound/soc/intel/skylake/skl.h
+++ b/sound/soc/intel/skylake/skl.h
@@ -52,6 +52,9 @@
#define AZX_PGCTL_LSRMD_MASK (1 << 4)
#define AZX_PCIREG_CGCTL 0x48
#define AZX_CGCTL_MISCBDCGE_MASK (1 << 6)
+/* D0I3C Register fields */
+#define AZX_REG_VS_D0I3C_CIP 0x1 /* Command in progress */
+#define AZX_REG_VS_D0I3C_I3 0x4 /* D0i3 enable */
struct skl_dsp_resource {
u32 max_mcps;
@@ -125,4 +128,6 @@ int skl_suspend_dsp(struct skl *skl);
int skl_resume_dsp(struct skl *skl);
void skl_cleanup_resources(struct skl *skl);
const struct skl_dsp_ops *skl_get_dsp_ops(int pci_id);
+void skl_update_d0i3c(struct device *dev, bool enable);
+
#endif /* __SOUND_SOC_SKL_H */