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authorMatthew Garrett <mjg@redhat.com>2012-05-11 16:08:26 +0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-05-11 17:03:12 -0700
commit38ac0f1b90dc9486cc039f1a4d8b0202813e5b67 (patch)
tree906f48f2bfb685d6075b74f50bc338768014ca3e /include/acpi
parent66886d6f8c9bcdee3d7fce5796dcffd6b4bc0b48 (diff)
downloadlinux-38ac0f1b90dc9486cc039f1a4d8b0202813e5b67.tar.bz2
ACPI: Add _PLD support
Add a simple helper function to allow drivers to obtain the physical device location data. Acked-by: Len Brown <len.brown@intel.com> Signed-off-by: Matthew Garrett <mjg@redhat.com> Signed-off-by: Lan Tianyu <tianyu.lan@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/acpi')
-rw-r--r--include/acpi/acpi_bus.h31
1 files changed, 31 insertions, 0 deletions
diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h
index c909984d0720..b0d62820ada1 100644
--- a/include/acpi/acpi_bus.h
+++ b/include/acpi/acpi_bus.h
@@ -51,6 +51,37 @@ acpi_evaluate_reference(acpi_handle handle,
struct acpi_object_list *arguments,
struct acpi_handle_list *list);
+struct acpi_pld {
+ unsigned int revision:7; /* 0 */
+ unsigned int ignore_colour:1; /* 7 */
+ unsigned int colour:24; /* 8 */
+ unsigned int width:16; /* 32 */
+ unsigned int height:16; /* 48 */
+ unsigned int user_visible:1; /* 64 */
+ unsigned int dock:1; /* 65 */
+ unsigned int lid:1; /* 66 */
+ unsigned int panel:3; /* 67 */
+ unsigned int vertical_pos:2; /* 70 */
+ unsigned int horizontal_pos:2; /* 72 */
+ unsigned int shape:4; /* 74 */
+ unsigned int group_orientation:1; /* 78 */
+ unsigned int group_token:8; /* 79 */
+ unsigned int group_position:8; /* 87 */
+ unsigned int bay:1; /* 95 */
+ unsigned int ejectable:1; /* 96 */
+ unsigned int ospm_eject_required:1; /* 97 */
+ unsigned int cabinet_number:8; /* 98 */
+ unsigned int card_cage_number:8; /* 106 */
+ unsigned int reference:1; /* 114 */
+ unsigned int rotation:4; /* 115 */
+ unsigned int order:5; /* 119 */
+ unsigned int reserved:4; /* 124 */
+ unsigned int vertical_offset:16; /* 128 */
+ unsigned int horizontal_offset:16; /* 144 */
+} __attribute__((__packed__));
+
+acpi_status
+acpi_get_physical_device_location(acpi_handle handle, struct acpi_pld *pld);
#ifdef CONFIG_ACPI
#include <linux/proc_fs.h>