subdev/bios/dcb.h

0001 /* SPDX-License-Identifier: MIT */
0002 #ifndef __NVBIOS_DCB_H__
0003 #define __NVBIOS_DCB_H__
0004 enum dcb_output_type {
0005     DCB_OUTPUT_ANALOG   = 0x0,
0006     DCB_OUTPUT_TV       = 0x1,
0007     DCB_OUTPUT_TMDS     = 0x2,
0008     DCB_OUTPUT_LVDS     = 0x3,
0009     DCB_OUTPUT_DP       = 0x6,
0010     DCB_OUTPUT_WFD      = 0x8,
0011     DCB_OUTPUT_EOL      = 0xe,
0012     DCB_OUTPUT_UNUSED   = 0xf,
0013     DCB_OUTPUT_ANY = -1,
0014 };
0015
0016 struct dcb_output {
0017     int index;  /* may not be raw dcb index if merging has happened */
0018     u16 hasht;
0019     u16 hashm;
0020     enum dcb_output_type type;
0021     uint8_t i2c_index;
0022     uint8_t heads;
0023     uint8_t connector;
0024     uint8_t bus;
0025     uint8_t location;
0026     uint8_t or;
0027     uint8_t link;
0028     bool duallink_possible;
0029     uint8_t extdev;
0030     union {
0031         struct sor_conf {
0032             int link;
0033         } sorconf;
0034         struct {
0035             int maxfreq;
0036         } crtconf;
0037         struct {
0038             struct sor_conf sor;
0039             bool use_straps_for_mode;
0040             bool use_acpi_for_edid;
0041             bool use_power_scripts;
0042         } lvdsconf;
0043         struct {
0044             bool has_component_output;
0045         } tvconf;
0046         struct {
0047             struct sor_conf sor;
0048             int link_nr;
0049             int link_bw;
0050         } dpconf;
0051         struct {
0052             struct sor_conf sor;
0053             int slave_addr;
0054         } tmdsconf;
0055     };
0056     bool i2c_upper_default;
0057     int id;
0058 };
0059
0060 u16 dcb_table(struct nvkm_bios *, u8 *ver, u8 *hdr, u8 *ent, u8 *len);
0061 u16 dcb_outp(struct nvkm_bios *, u8 idx, u8 *ver, u8 *len);
0062 u16 dcb_outp_parse(struct nvkm_bios *, u8 idx, u8 *, u8 *,
0063            struct dcb_output *);
0064 u16 dcb_outp_match(struct nvkm_bios *, u16 type, u16 mask, u8 *, u8 *,
0065            struct dcb_output *);
0066 int dcb_outp_foreach(struct nvkm_bios *, void *data, int (*exec)
0067              (struct nvkm_bios *, void *, int index, u16 entry));
0068 #endif