Пример #1
0
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;
}
Пример #2
0
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;
}
Пример #3
0
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;
}
Пример #4
0
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;
}