u16
dcb_i2c_table(struct nouveau_bios *bios, u8 *ver, u8 *hdr, u8 *cnt, u8 *len)
{
u16 i2c = 0x0000;
u16 dcb = dcb_table(bios, ver, hdr, cnt, len);
if (dcb) {
if (*ver >= 0x15)
i2c = nv_ro16(bios, dcb + 2);
if (*ver >= 0x30)
i2c = nv_ro16(bios, dcb + 4);
}
if (i2c && *ver >= 0x42) {
nv_warn(bios, "ccb %02x not supported\n", *ver);
return 0x0000;
}
if (i2c && *ver >= 0x30) {
*ver = nv_ro08(bios, i2c + 0);
*hdr = nv_ro08(bios, i2c + 1);
*cnt = nv_ro08(bios, i2c + 2);
*len = nv_ro08(bios, i2c + 3);
} else {
*ver = *ver; /* use DCB version */
*hdr = 0;
*cnt = 16;
*len = 4;
}
return i2c;
}
u16
dcb_outp(struct nouveau_bios *bios, u8 idx, u8 *ver, u8 *len)
{
u8 hdr, cnt;
u16 dcb = dcb_table(bios, ver, &hdr, &cnt, len);
if (dcb && idx < cnt)
return dcb + hdr + (idx * *len);
return 0x0000;
}
u16
dcb_conntab(struct nouveau_bios *bios, u8 *ver, u8 *hdr, u8 *cnt, u8 *len)
{
u16 dcb = dcb_table(bios, ver, hdr, cnt, len);
if (dcb && *ver >= 0x30 && *hdr >= 0x16) {
u16 data = nv_ro16(bios, dcb + 0x14);
if (data) {
*ver = nv_ro08(bios, data + 0);
*hdr = nv_ro08(bios, data + 1);
*cnt = nv_ro08(bios, data + 2);
*len = nv_ro08(bios, data + 3);
return data;
}
}
return 0x0000;
}
u32
nvbios_connTe(struct nvkm_bios *bios, u8 *ver, u8 *hdr, u8 *cnt, u8 *len)
{
u32 dcb = dcb_table(bios, ver, hdr, cnt, len);
if (dcb && *ver >= 0x30 && *hdr >= 0x16) {
u32 data = nvbios_rd16(bios, dcb + 0x14);
if (data) {
*ver = nvbios_rd08(bios, data + 0);
*hdr = nvbios_rd08(bios, data + 1);
*cnt = nvbios_rd08(bios, data + 2);
*len = nvbios_rd08(bios, data + 3);
return data;
}
}
return 0x00000000;
}