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