diff mbox series

[Concept,v2,18/20] efi: Add definitions for the absolute-pointer protocol

Message ID 20251007170549.541981-19-sjg@u-boot.org
State New
Headers
Series expo: Complete mouse operation in the EFI app |

Commit Message

Simon Glass Oct. 7, 2025, 5:05 p.m. UTC 
  From: Simon Glass <sjg@chromium.org>

Add these definitions to the API so that we can make use of this feature
in drivers, etc.

Signed-off-by: Simon Glass <sjg@chromium.org>
---

(no changes since v1)

 include/efi.h         |  1 +
 include/efi_api.h     | 30 ++++++++++++++++++++++++++++++
 lib/efi/device_path.c |  1 +
 3 files changed, 32 insertions(+)
diff mbox series

Patch

diff --git a/include/efi.h b/include/efi.h
index 3d983bd69a4..0bc7e0581f7 100644
--- a/include/efi.h
+++ b/include/efi.h
@@ -179,6 +179,7 @@  extern const efi_guid_t efi_guid_device_path;
 
 extern const efi_guid_t efi_simple_file_system_protocol_guid;
 extern const efi_guid_t efi_guid_simple_pointer;
+extern const efi_guid_t efi_guid_absolute_pointer;
 
 /* Generic EFI table header */
 struct efi_table_hdr {
diff --git a/include/efi_api.h b/include/efi_api.h
index 70e24cb5fc9..9e661913ecc 100644
--- a/include/efi_api.h
+++ b/include/efi_api.h
@@ -1006,6 +1006,36 @@  struct efi_simple_pointer_protocol {
 	struct efi_simple_pointer_mode *mode;
 };
 
+#define EFI_ABSOLUTE_POINTER_PROTOCOL_GUID \
+	EFI_GUID(0x8d59d32b, 0xc655, 0x4ae9, \
+		 0x9b, 0x15, 0xf2, 0x59, 0x04, 0x99, 0x2a, 0x43)
+
+struct efi_absolute_pointer_state {
+	u64 current_x;
+	u64 current_y;
+	u64 current_z;
+	u32 active_buttons;
+};
+
+struct efi_absolute_pointer_mode {
+	u64 abs_min_x;
+	u64 abs_min_y;
+	u64 abs_min_z;
+	u64 abs_max_x;
+	u64 abs_max_y;
+	u64 abs_max_z;
+	u32 attributes;
+};
+
+struct efi_absolute_pointer_protocol {
+	efi_status_t (EFIAPI *reset)(struct efi_absolute_pointer_protocol *this,
+				     bool extended_verification);
+	efi_status_t (EFIAPI *get_state)(struct efi_absolute_pointer_protocol *this,
+					 struct efi_absolute_pointer_state *state);
+	struct efi_event *wait_for_input;
+	struct efi_absolute_pointer_mode *mode;
+};
+
 #define EFI_DEVICE_PATH_TO_TEXT_PROTOCOL_GUID \
 	EFI_GUID(0x8b843e20, 0x8132, 0x4852, \
 		 0x90, 0xcc, 0x55, 0x1a, 0x4e, 0x4a, 0x7f, 0x1c)
diff --git a/lib/efi/device_path.c b/lib/efi/device_path.c
index 939bf5a0679..de7647e13d0 100644
--- a/lib/efi/device_path.c
+++ b/lib/efi/device_path.c
@@ -28,6 +28,7 @@  const efi_guid_t efi_global_variable_guid = EFI_GLOBAL_VARIABLE_GUID;
 const efi_guid_t efi_guid_device_path = EFI_DEVICE_PATH_PROTOCOL_GUID;
 const efi_guid_t efi_guid_loaded_image = EFI_LOADED_IMAGE_PROTOCOL_GUID;
 const efi_guid_t efi_guid_simple_pointer = EFI_SIMPLE_POINTER_PROTOCOL_GUID;
+const efi_guid_t efi_guid_absolute_pointer = EFI_ABSOLUTE_POINTER_PROTOCOL_GUID;
 const efi_guid_t efi_guid_loaded_image_device_path =
 		EFI_LOADED_IMAGE_DEVICE_PATH_PROTOCOL_GUID;
 const efi_guid_t efi_simple_file_system_protocol_guid =