dev/acpi/acpi_display.c

45  * - The BIOS should automatically switch the active display output, with no
57  * output devices attached to it.
63  * The array of connected output devices (sc_odinfo) is, after attachment, only
99 /* Notifications specific to display output devices (ACPI 4.0a, Sec. B.7). */
110 		uint8_t		output:2;
121 /* BIOS output switch policies (ACPI 4.0a, Sec. B.4.1). */
131 /* Format of output device attributes (ACPI 4.0a, Table B-2). */
148 /* Common legacy output device IDs (ACPI 2.0c, Table B-3). */
160 /* Format of output device status (ACPI 4.0a, Table B-4). */
173 /* Format of output device state (ACPI 4.0a, Table B-6). */
187  *	Description of an ACPI display output device.  This structure groups
189  *	- the output device attributes, given in the display adapter's _DOD
201  *	Information on connected output devices (ACPI 4.0a, Sec. B.4.2).  This
203  *	adapter.  Currently, this information is only used for display output
211 	struct acpidisp_outdev	*oi_dev;	/* Array of output devices */
212 	uint32_t		 oi_dev_count;	/* Number of output devices */
231 	struct acpidisp_odinfo	*sc_odinfo;	/* Connected output devices */
248  *	output devices under a display adapter.
290  *	Software state of an ACPI display output device.
307  * ACPI display output device capabilities (methods).
536 	 * Enumerate connected output devices, attach
537 	 * output display devices, and bind the attached
538 	 * output devices to the enumerated ones.
552 	 * Many laptops do not support output device switching with
554 	 * adapters. Therefore, we leave the BIOS output switch policy
557 	asc->sc_policy.fmt.output = ACPI_DISP_POLICY_OUTPUT_AUTO;
635 	 * Display output devices are ACPI children of the display adapter.
682 	 * The method _ADR is required for display output
1006 	/* Mutual exclusion with callbacks of connected output devices. */
1011 	lock_policy.fmt.output = ACPI_DISP_POLICY_OUTPUT_LOCKED;
1075 	/* Perform display output switch if needed. */
1078 	    (asc->sc_policy.fmt.output == ACPI_DISP_POLICY_OUTPUT_NORMAL);
1231 		    SYSCTL_DESCR("Current BIOS output switching policy"),
1262 		    SYSCTL_DESCR("ACPI display output device controls"),
1356 	val = (asc->sc_policy.fmt.output == ACPI_DISP_POLICY_OUTPUT_AUTO);
1366 		asc->sc_policy.fmt.output = ACPI_DISP_POLICY_OUTPUT_AUTO;
1368 		asc->sc_policy.fmt.output = ACPI_DISP_POLICY_OUTPUT_NORMAL;
1572  *	corresponding (_DOD enumerated) connected output device.
1607 		 * For display output devices, the method _ADR returns
1624 		 * The device ID must be unique (among output devices), and must
1641 			    "output device %s not connected\n",
1650  *  built-in display output devices."
1987 	aprint_verbose_dev(self, "connected output devices:\n");