25  * struct gth_output - GTH view on an output port
27  * @output:	link to output device's output descriptor
28  * @index:	output port number
30  * @master:	bitmap of masters configured for this output
34 	struct intel_th_output	*output;  member
44  * @output_group:	attributes describing output ports
46  * @output:		output ports
47  * @master:		master/output port assignments
56 	struct gth_output	output[TH_POSSIBLE_OUTPUTS];  member
181 	/* disconnect from the previous output port, if any */  in master_attr_store()
185 		clear_bit(ma->master, gth->output[old_port].master);  in master_attr_store()
191 		if (gth->output[old_port].output->active)  in master_attr_store()
195 	/* connect to the new output port, if any */  in master_attr_store()
198 		if (!gth->output[port].output) {  in master_attr_store()
203 		set_bit(ma->master, gth->output[port].master);  in master_attr_store()
206 		if (gth->output[port].output->active)  in master_attr_store()
242 	OUTPUT_PARM(port,	0x7,	1, 0, output),
243 	OUTPUT_PARM(null,	BIT(3),	1, 1, output),
244 	OUTPUT_PARM(drop,	BIT(4),	1, 1, output),
245 	OUTPUT_PARM(reset,	BIT(5),	1, 0, output),
246 	OUTPUT_PARM(flush,	BIT(7),	0, 1, output),
291 	/* output ports */  in intel_th_gth_reset()
465  * intel_th_gth_stop() - stop tracing to an output device
467  * @output:		output device's descriptor
471  * pipelines to be empty for the corresponding output port.
474 			      struct intel_th_output *output,  in intel_th_gth_stop()  argument
478 		container_of(output, struct intel_th_device, output);  in intel_th_gth_stop()
490 	     count && !(reg & BIT(output->port)); count--) {  in intel_th_gth_stop()
497 			output->port);  in intel_th_gth_stop()
499 	/* wait on output piepline empty */  in intel_th_gth_stop()
508  * intel_th_gth_start() - start tracing to an output device
510  * @output:	output device's descriptor
515 			       struct intel_th_output *output)  in intel_th_gth_start()  argument
519 	if (output->multiblock)  in intel_th_gth_start()
527  * intel_th_gth_disable() - disable tracing to an output device
529  * @output:	output device's descriptor
531  * This will deconfigure all masters set to output to this device,
533  * "pipeline empty" bit for corresponding output port.
536 				 struct intel_th_output *output)  in intel_th_gth_disable()  argument
543 	output->active = false;  in intel_th_gth_disable()
545 	for_each_set_bit(master, gth->output[output->port].master,  in intel_th_gth_disable()
551 	intel_th_gth_stop(gth, output, true);  in intel_th_gth_disable()
554 	reg &= ~output->scratchpad;  in intel_th_gth_disable()
568 				 struct intel_th_output *output)  in intel_th_gth_prepare()  argument
574 	 * Wait until the output port is in reset before we start  in intel_th_gth_prepare()
578 	     count && !(gth_output_get(gth, output->port) & BIT(5)); count--)  in intel_th_gth_prepare()
583  * intel_th_gth_enable() - enable tracing to an output device
585  * @output:	output device's descriptor
587  * This will configure all masters set to output to this device and
591 				struct intel_th_output *output)  in intel_th_gth_enable()  argument
599 	for_each_set_bit(master, gth->output[output->port].master,  in intel_th_gth_enable()
601 		gth_master_set(gth, master, output->port);  in intel_th_gth_enable()
604 	output->active = true;  in intel_th_gth_enable()
611 	scrpd |= output->scratchpad;  in intel_th_gth_enable()
614 	intel_th_gth_start(gth, output);  in intel_th_gth_enable()
620  * @output:	output device's descriptor
626 				struct intel_th_output *output)  in intel_th_gth_switch()  argument
647 	intel_th_gth_stop(gth, output, false);  in intel_th_gth_switch()
648 	intel_th_gth_start(gth, output);  in intel_th_gth_switch()
652  * intel_th_gth_assign() - assign output device to a GTH output port
654  * @othdev:	output device
656  * This will match a given output device parameters against present
657  * output ports on the GTH and fill out relevant bits in output device's
675 		if (gth->output[i].port_type != othdev->output.type)  in intel_th_gth_assign()
688 	othdev->output.port = i;  in intel_th_gth_assign()
689 	othdev->output.active = false;  in intel_th_gth_assign()
690 	gth->output[i].output = &othdev->output;  in intel_th_gth_assign()
697  * intel_th_gth_unassign() - deassociate an output device from its output port
699  * @othdev:	output device
705 	int port = othdev->output.port;  in intel_th_gth_unassign()
712 	othdev->output.port = -1;  in intel_th_gth_unassign()
713 	othdev->output.active = false;  in intel_th_gth_unassign()
714 	gth->output[port].output = NULL;  in intel_th_gth_unassign()
725 	int port = 0; /* FIXME: make default output configurable */  in intel_th_gth_set_output()
736 		set_bit(master, gth->output[port].master);  in intel_th_gth_set_output()
774 	 * capture configuration attributes. Also, refuse to assign output  in intel_th_gth_probe()
794 		gth->output[i].gth = gth;  in intel_th_gth_probe()
795 		gth->output[i].index = i;  in intel_th_gth_probe()
796 		gth->output[i].port_type =  in intel_th_gth_probe()
798 		if (gth->output[i].port_type == GTH_NONE)  in intel_th_gth_probe()
801 		ret = intel_th_output_enable(th, gth->output[i].port_type);  in intel_th_gth_probe()