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()
460  * intel_th_gth_disable() - disable tracing to an output device
462  * @output:	output device's descriptor
464  * This will deconfigure all masters set to output to this device,
466  * "pipeline empty" bit for corresponding output port.
469 				 struct intel_th_output *output)  in intel_th_gth_disable()  argument
477 	output->active = false;  in intel_th_gth_disable()
479 	for_each_set_bit(master, gth->output[output->port].master,  in intel_th_gth_disable()
490 	     count && !(reg & BIT(output->port)); count--) {  in intel_th_gth_disable()
500 			output->port);  in intel_th_gth_disable()
503 	reg &= ~output->scratchpad;  in intel_th_gth_disable()
517  * intel_th_gth_enable() - enable tracing to an output device
519  * @output:	output device's descriptor
521  * This will configure all masters set to output to this device and
525 				struct intel_th_output *output)  in intel_th_gth_enable()  argument
533 	for_each_set_bit(master, gth->output[output->port].master,  in intel_th_gth_enable()
535 		gth_master_set(gth, master, output->port);  in intel_th_gth_enable()
538 	if (output->multiblock)  in intel_th_gth_enable()
541 	output->active = true;  in intel_th_gth_enable()
548 	scrpd |= output->scratchpad;  in intel_th_gth_enable()
556  * intel_th_gth_assign() - assign output device to a GTH output port
558  * @othdev:	output device
560  * This will match a given output device parameters against present
561  * output ports on the GTH and fill out relevant bits in output device's
579 		if (gth->output[i].port_type != othdev->output.type)  in intel_th_gth_assign()
592 	othdev->output.port = i;  in intel_th_gth_assign()
593 	othdev->output.active = false;  in intel_th_gth_assign()
594 	gth->output[i].output = &othdev->output;  in intel_th_gth_assign()
601  * intel_th_gth_unassign() - deassociate an output device from its output port
603  * @othdev:	output device
609 	int port = othdev->output.port;  in intel_th_gth_unassign()
616 	othdev->output.port = -1;  in intel_th_gth_unassign()
617 	othdev->output.active = false;  in intel_th_gth_unassign()
618 	gth->output[port].output = NULL;  in intel_th_gth_unassign()
629 	int port = 0; /* FIXME: make default output configurable */  in intel_th_gth_set_output()
640 		set_bit(master, gth->output[port].master);  in intel_th_gth_set_output()
678 	 * capture configuration attributes. Also, refuse to assign output  in intel_th_gth_probe()
698 		gth->output[i].gth = gth;  in intel_th_gth_probe()
699 		gth->output[i].index = i;  in intel_th_gth_probe()
700 		gth->output[i].port_type =  in intel_th_gth_probe()
702 		if (gth->output[i].port_type == GTH_NONE)  in intel_th_gth_probe()
705 		ret = intel_th_output_enable(th, gth->output[i].port_type);  in intel_th_gth_probe()