kernel/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/dcb.h

   1 #ifndef __NVBIOS_DCB_H__
   2 #define __NVBIOS_DCB_H__
   3 enum dcb_output_type {
   4         DCB_OUTPUT_ANALOG       = 0x0,
   5         DCB_OUTPUT_TV           = 0x1,
   6         DCB_OUTPUT_TMDS         = 0x2,
   7         DCB_OUTPUT_LVDS         = 0x3,
   8         DCB_OUTPUT_DP           = 0x6,
   9         DCB_OUTPUT_EOL          = 0xe,
  10         DCB_OUTPUT_UNUSED       = 0xf,
  11         DCB_OUTPUT_ANY = -1,
  12 };
  13
  14 struct dcb_output {
  15         int index;      /* may not be raw dcb index if merging has happened */
  16         u16 hasht;
  17         u16 hashm;
  18         enum dcb_output_type type;
  19         uint8_t i2c_index;
  20         uint8_t heads;
  21         uint8_t connector;
  22         uint8_t bus;
  23         uint8_t location;
  24         uint8_t or;
  25         uint8_t link;
  26         bool duallink_possible;
  27         uint8_t extdev;
  28         union {
  29                 struct sor_conf {
  30                         int link;
  31                 } sorconf;
  32                 struct {
  33                         int maxfreq;
  34                 } crtconf;
  35                 struct {
  36                         struct sor_conf sor;
  37                         bool use_straps_for_mode;
  38                         bool use_acpi_for_edid;
  39                         bool use_power_scripts;
  40                 } lvdsconf;
  41                 struct {
  42                         bool has_component_output;
  43                 } tvconf;
  44                 struct {
  45                         struct sor_conf sor;
  46                         int link_nr;
  47                         int link_bw;
  48                 } dpconf;
  49                 struct {
  50                         struct sor_conf sor;
  51                         int slave_addr;
  52                 } tmdsconf;
  53         };
  54         bool i2c_upper_default;
  55 };
  56
  57 u16 dcb_table(struct nvkm_bios *, u8 *ver, u8 *hdr, u8 *ent, u8 *len);
  58 u16 dcb_outp(struct nvkm_bios *, u8 idx, u8 *ver, u8 *len);
  59 u16 dcb_outp_parse(struct nvkm_bios *, u8 idx, u8 *, u8 *,
  60                    struct dcb_output *);
  61 u16 dcb_outp_match(struct nvkm_bios *, u16 type, u16 mask, u8 *, u8 *,
  62                    struct dcb_output *);
  63 int dcb_outp_foreach(struct nvkm_bios *, void *data, int (*exec)
  64                      (struct nvkm_bios *, void *, int index, u16 entry));
  65 #endif