1 /* SPDX-License-Identifier: MIT */ 2 #ifndef __NVBIOS_DCB_H__ 3 #define __NVBIOS_DCB_H__ 4 enum dcb_output_type { 5 DCB_OUTPUT_ANALOG = 0x0, 6 DCB_OUTPUT_TV = 0x1, 7 DCB_OUTPUT_TMDS = 0x2, 8 DCB_OUTPUT_LVDS = 0x3, 9 DCB_OUTPUT_DP = 0x6, 10 DCB_OUTPUT_WFD = 0x8, 11 DCB_OUTPUT_EOL = 0xe, 12 DCB_OUTPUT_UNUSED = 0xf, 13 DCB_OUTPUT_ANY = -1, 14 }; 15 16 struct dcb_output { 17 int index; /* may not be raw dcb index if merging has happened */ 18 u16 hasht; 19 u16 hashm; 20 enum dcb_output_type type; 21 uint8_t i2c_index; 22 uint8_t heads; 23 uint8_t connector; 24 uint8_t bus; 25 uint8_t location; 26 uint8_t or; 27 uint8_t link; 28 bool duallink_possible; 29 uint8_t extdev; 30 union { 31 struct sor_conf { 32 int link; 33 } sorconf; 34 struct { 35 int maxfreq; 36 } crtconf; 37 struct { 38 struct sor_conf sor; 39 bool use_straps_for_mode; 40 bool use_acpi_for_edid; 41 bool use_power_scripts; 42 } lvdsconf; 43 struct { 44 bool has_component_output; 45 } tvconf; 46 struct { 47 struct sor_conf sor; 48 int link_nr; 49 int link_bw; 50 } dpconf; 51 struct { 52 struct sor_conf sor; 53 int slave_addr; 54 } tmdsconf; 55 }; 56 bool i2c_upper_default; 57 int id; 58 }; 59 60 u16 dcb_table(struct nvkm_bios *, u8 *ver, u8 *hdr, u8 *ent, u8 *len); 61 u16 dcb_outp(struct nvkm_bios *, u8 idx, u8 *ver, u8 *len); 62 u16 dcb_outp_parse(struct nvkm_bios *, u8 idx, u8 *, u8 *, 63 struct dcb_output *); 64 u16 dcb_outp_match(struct nvkm_bios *, u16 type, u16 mask, u8 *, u8 *, 65 struct dcb_output *); 66 int dcb_outp_foreach(struct nvkm_bios *, void *data, int (*exec) 67 (struct nvkm_bios *, void *, int index, u16 entry)); 68 #endif 69