15  * Hardware interface for generic Intel audio DSP HDA IP
30 		 "SOF HDA enable trace when the DSP is in D0I3 in S0");
34  * DSP Core control.
147 		dev_err(sdev->dev, "error: DSP start core failed: core_mask %x\n",  in hda_dsp_core_run()
241 	dev_dbg(sdev->dev, "DSP core(s) enabled? %d : core_mask %x\n",  in hda_dsp_core_is_enabled()
263 		dev_err(sdev->dev, "error: dsp core power up failed: core_mask %x\n",  in hda_dsp_enable_core()
288 		dev_err(sdev->dev, "error: dsp core reset failed: core_mask %x\n",  in hda_dsp_core_reset_power_down()
296 		dev_err(sdev->dev, "error: dsp core power down fail mask %x: %d\n",  in hda_dsp_core_reset_power_down()
303 		dev_err(sdev->dev, "error: dsp core disable fail mask %x: %d\n",  in hda_dsp_core_reset_power_down()
366 	/* send pm_gate ipc to dsp */  in hda_dsp_send_pm_gate_ipc()
432 		 * Trace DMA need to be disabled when the DSP enters  in hda_dsp_set_D0_state()
434 		 * when the DSP enters D0I3 while the system is in S0  in hda_dsp_set_D0_state()
452 	 * Notify the DSP of the state change.  in hda_dsp_set_D0_state()
478 /* helper to log DSP state */
485 			dev_dbg(sdev->dev, "Current DSP power state: D0I0\n");  in hda_dsp_state_log()
488 			dev_dbg(sdev->dev, "Current DSP power state: D0I3\n");  in hda_dsp_state_log()
491 			dev_dbg(sdev->dev, "Unknown DSP D0 substate: %d\n",  in hda_dsp_state_log()
497 		dev_dbg(sdev->dev, "Current DSP power state: D1\n");  in hda_dsp_state_log()
500 		dev_dbg(sdev->dev, "Current DSP power state: D2\n");  in hda_dsp_state_log()
503 		dev_dbg(sdev->dev, "Current DSP power state: D3_HOT\n");  in hda_dsp_state_log()
506 		dev_dbg(sdev->dev, "Current DSP power state: D3\n");  in hda_dsp_state_log()
509 		dev_dbg(sdev->dev, "Current DSP power state: D3_COLD\n");  in hda_dsp_state_log()
512 		dev_dbg(sdev->dev, "Unknown DSP power state: %d\n",  in hda_dsp_state_log()
519  * All DSP power state transitions are initiated by the driver.
522  * is called again either because of a new IPC sent to the DSP or
531 	 * When the DSP is already in D0I3 and the target state is D0I3,  in hda_dsp_set_power_state()
532 	 * it could be the case that the DSP is in D0I3 during S0  in hda_dsp_set_power_state()
543 	 * the DSP is already in the target state.  in hda_dsp_set_power_state()
571 			"failed to set requested target DSP state %d substate %d\n",  in hda_dsp_set_power_state()
582  * Audio DSP states may transform as below:-
606  * S0IX suspend: The DSP is in D0I3 if any D0I3-compatible streams
607  *		 ignored the suspend trigger. Otherwise the DSP
633 	/* power down DSP */  in hda_suspend()
756 		/* Set DSP power state */  in hda_dsp_resume()
759 			dev_err(sdev->dev, "error: setting dsp state %d substate %d\n",  in hda_dsp_resume()
776 	/* init hda controller. DSP cores will be powered up during fw boot */  in hda_dsp_resume()
791 	/* init hda controller. DSP cores will be powered up during fw boot */  in hda_dsp_runtime_resume()
820 	/* cancel any attempt for DSP D0I3 */  in hda_dsp_runtime_suspend()
823 	/* stop hda controller and power dsp off */  in hda_dsp_runtime_suspend()
843 	/* cancel any attempt for DSP D0I3 */  in hda_dsp_suspend()
847 		/* Set DSP power state */  in hda_dsp_suspend()
850 			dev_err(sdev->dev, "error: setting dsp state %d substate %d\n",  in hda_dsp_suspend()
884 	/* stop hda controller and power dsp off */  in hda_dsp_suspend()
887 		dev_err(bus->dev, "error: suspending dsp\n");  in hda_dsp_suspend()
955 	/* DSP can enter D0I3 iff only D0I3-compatible streams are active */  in hda_dsp_d0i3_work()
964 				    "error: failed to set DSP state %d substate %d\n",  in hda_dsp_d0i3_work()