drivers/gpu/drm/nouveau/core/include/subdev/bios/dcb.h

   1 #ifndef __NVBIOS_DCB_H__
   2 #define __NVBIOS_DCB_H__
   3
   4 struct nouveau_bios;
   5
   6 enum dcb_output_type {
   7         DCB_OUTPUT_ANALOG       = 0x0,
   8         DCB_OUTPUT_TV           = 0x1,
   9         DCB_OUTPUT_TMDS         = 0x2,
  10         DCB_OUTPUT_LVDS         = 0x3,
  11         DCB_OUTPUT_DP           = 0x6,
  12         DCB_OUTPUT_EOL          = 0xe,
  13         DCB_OUTPUT_UNUSED       = 0xf,
  14         DCB_OUTPUT_ANY = -1,
  15 };
  16
  17 struct dcb_output {
  18         int index;      /* may not be raw dcb index if merging has happened */
  19         u16 hasht;
  20         u16 hashm;
  21         enum dcb_output_type type;
  22         uint8_t i2c_index;
  23         uint8_t heads;
  24         uint8_t connector;
  25         uint8_t bus;
  26         uint8_t location;
  27         uint8_t or;
  28         uint8_t link;
  29         bool duallink_possible;
  30         uint8_t extdev;
  31         union {
  32                 struct sor_conf {
  33                         int link;
  34                 } sorconf;
  35                 struct {
  36                         int maxfreq;
  37                 } crtconf;
  38                 struct {
  39                         struct sor_conf sor;
  40                         bool use_straps_for_mode;
  41                         bool use_acpi_for_edid;
  42                         bool use_power_scripts;
  43                 } lvdsconf;
  44                 struct {
  45                         bool has_component_output;
  46                 } tvconf;
  47                 struct {
  48                         struct sor_conf sor;
  49                         int link_nr;
  50                         int link_bw;
  51                 } dpconf;
  52                 struct {
  53                         struct sor_conf sor;
  54                         int slave_addr;
  55                 } tmdsconf;
  56         };
  57         bool i2c_upper_default;
  58 };
  59
  60 u16 dcb_table(struct nouveau_bios *, u8 *ver, u8 *hdr, u8 *ent, u8 *len);
  61 u16 dcb_outp(struct nouveau_bios *, u8 idx, u8 *ver, u8 *len);
  62 u16 dcb_outp_parse(struct nouveau_bios *, u8 idx, u8 *, u8 *,
  63                    struct dcb_output *);
  64 u16 dcb_outp_match(struct nouveau_bios *, u16 type, u16 mask, u8 *, u8 *,
  65                    struct dcb_output *);
  66 int dcb_outp_foreach(struct nouveau_bios *, void *data, int (*exec)
  67                      (struct nouveau_bios *, void *, int index, u16 entry));
  68
  69 #endif