linux-zen-server/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/dcb.h

69 lines
1.5 KiB
C

/* SPDX-License-Identifier: MIT */
#ifndef __NVBIOS_DCB_H__
#define __NVBIOS_DCB_H__
enum dcb_output_type {
DCB_OUTPUT_ANALOG = 0x0,
DCB_OUTPUT_TV = 0x1,
DCB_OUTPUT_TMDS = 0x2,
DCB_OUTPUT_LVDS = 0x3,
DCB_OUTPUT_DP = 0x6,
DCB_OUTPUT_WFD = 0x8,
DCB_OUTPUT_EOL = 0xe,
DCB_OUTPUT_UNUSED = 0xf,
DCB_OUTPUT_ANY = -1,
};
struct dcb_output {
int index; /* may not be raw dcb index if merging has happened */
u16 hasht;
u16 hashm;
enum dcb_output_type type;
uint8_t i2c_index;
uint8_t heads;
uint8_t connector;
uint8_t bus;
uint8_t location;
uint8_t or;
uint8_t link;
bool duallink_possible;
uint8_t extdev;
union {
struct sor_conf {
int link;
} sorconf;
struct {
int maxfreq;
} crtconf;
struct {
struct sor_conf sor;
bool use_straps_for_mode;
bool use_acpi_for_edid;
bool use_power_scripts;
} lvdsconf;
struct {
bool has_component_output;
} tvconf;
struct {
struct sor_conf sor;
int link_nr;
int link_bw;
} dpconf;
struct {
struct sor_conf sor;
int slave_addr;
} tmdsconf;
};
bool i2c_upper_default;
int id;
};
u16 dcb_table(struct nvkm_bios *, u8 *ver, u8 *hdr, u8 *ent, u8 *len);
u16 dcb_outp(struct nvkm_bios *, u8 idx, u8 *ver, u8 *len);
u16 dcb_outp_parse(struct nvkm_bios *, u8 idx, u8 *, u8 *,
struct dcb_output *);
u16 dcb_outp_match(struct nvkm_bios *, u16 type, u16 mask, u8 *, u8 *,
struct dcb_output *);
int dcb_outp_foreach(struct nvkm_bios *, void *data, int (*exec)
(struct nvkm_bios *, void *, int index, u16 entry));
#endif