drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/extdev.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef __NVBIOS_EXTDEV_H__
   3 #define __NVBIOS_EXTDEV_H__
   4 enum nvbios_extdev_type {
   5         NVBIOS_EXTDEV_LM89              = 0x02,
   6         NVBIOS_EXTDEV_VT1103M           = 0x40,
   7         NVBIOS_EXTDEV_PX3540            = 0x41,
   8         NVBIOS_EXTDEV_VT1105M           = 0x42, /* or close enough... */
   9         NVBIOS_EXTDEV_INA219            = 0x4c,
  10         NVBIOS_EXTDEV_INA209            = 0x4d,
  11         NVBIOS_EXTDEV_INA3221           = 0x4e,
  12         NVBIOS_EXTDEV_ADT7473           = 0x70, /* can also be a LM64 */
  13         NVBIOS_EXTDEV_HDCP_EEPROM       = 0x90,
  14         NVBIOS_EXTDEV_NONE              = 0xff,
  15 };
  16
  17 struct nvbios_extdev_func {
  18         u8 type;
  19         u8 addr;
  20         u8 bus;
  21 };
  22
  23 int
  24 nvbios_extdev_parse(struct nvkm_bios *, int, struct nvbios_extdev_func *);
  25
  26 int
  27 nvbios_extdev_find(struct nvkm_bios *, enum nvbios_extdev_type,
  28                    struct nvbios_extdev_func *);
  29 #endif