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#ifndef __NVBIOS_DCB_H__
#define __NVBIOS_DCB_H__
struct nouveau_bios;
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_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 */
enum dcb_output_type type;
uint8_t i2c_index;
uint8_t heads;
uint8_t connector;
uint8_t bus;
uint8_t location;
uint8_t or;
bool duallink_possible;
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;
};
u16 dcb_table(struct nouveau_bios *, u8 *ver, u8 *hdr, u8 *ent, u8 *len);
u16 dcb_outp(struct nouveau_bios *, u8 idx, u8 *ver, u8 *len);
int dcb_outp_foreach(struct nouveau_bios *, void *data, int (*exec)
(struct nouveau_bios *, void *, int index, u16 entry));
/* BIT 'U'/'d' table encoder subtables have hashes matching them to
* a particular set of encoders.
*
* This function returns true if a particular DCB entry matches.
*/
static inline bool
dcb_hash_match(struct dcb_output *dcb, u32 hash)
{
if ((hash & 0x000000f0) != (dcb->location << 4))
return false;
if ((hash & 0x0000000f) != dcb->type)
return false;
if (!(hash & (dcb->or << 16)))
return false;
switch (dcb->type) {
case DCB_OUTPUT_TMDS:
case DCB_OUTPUT_LVDS:
case DCB_OUTPUT_DP:
if (hash & 0x00c00000) {
if (!(hash & (dcb->sorconf.link << 22)))
return false;
}
default:
return true;
}
}
#endif
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