xref: /netbsd-src/sys/external/bsd/drm2/dist/drm/nouveau/include/nvkm/subdev/bios/M0203.h (revision 41ec02673d281bbb3d38e6c78504ce6e30c228c1)
1 /*	$NetBSD: M0203.h,v 1.3 2021/12/18 23:45:33 riastradh Exp $	*/
2 
3 /* SPDX-License-Identifier: MIT */
4 #ifndef __NVBIOS_M0203_H__
5 #define __NVBIOS_M0203_H__
6 struct nvbios_M0203T {
7 #define M0203T_TYPE_RAMCFG 0x00
8 	u8  type;
9 	u16 pointer;
10 };
11 
12 u32 nvbios_M0203Te(struct nvkm_bios *, u8 *ver, u8 *hdr, u8 *cnt, u8 *len);
13 u32 nvbios_M0203Tp(struct nvkm_bios *, u8 *ver, u8 *hdr, u8 *cnt, u8 *len,
14 		   struct nvbios_M0203T *);
15 
16 struct nvbios_M0203E {
17 #define M0203E_TYPE_DDR2   0x0
18 #define M0203E_TYPE_DDR3   0x1
19 #define M0203E_TYPE_GDDR3  0x2
20 #define M0203E_TYPE_GDDR5  0x3
21 #define M0203E_TYPE_HBM2   0x6
22 #define M0203E_TYPE_GDDR5X 0x8
23 #define M0203E_TYPE_GDDR6  0x9
24 #define M0203E_TYPE_SKIP   0xf
25 	u8 type;
26 	u8 strap;
27 	u8 group;
28 };
29 
30 u32 nvbios_M0203Ee(struct nvkm_bios *, int idx, u8 *ver, u8 *hdr);
31 u32 nvbios_M0203Ep(struct nvkm_bios *, int idx, u8 *ver, u8 *hdr,
32 		   struct nvbios_M0203E *);
33 u32 nvbios_M0203Em(struct nvkm_bios *, u8 ramcfg, u8 *ver, u8 *hdr,
34 		   struct nvbios_M0203E *);
35 #endif
36