static int
nouveau_bios_ctor(struct nouveau_object *parent,
struct nouveau_object *engine,
struct nouveau_oclass *oclass, void *data, u32 size,
struct nouveau_object **pobject)
{
struct nouveau_bios *bios;
struct bit_entry bit_i;
int ret;
ret = nouveau_subdev_create(parent, engine, oclass, 0,
"VBIOS", "bios", &bios);
*pobject = nv_object(bios);
if (ret)
return ret;
ret = nouveau_bios_shadow(bios);
if (ret)
return ret;
/* detect type of vbios we're dealing with */
bios->bmp_offset = nvbios_findstr(bios->data, bios->size,
"\xff\x7f""NV\0", 5);
if (bios->bmp_offset) {
nv_info(bios, "BMP version %x.%x\n",
bmp_version(bios) >> 8,
bmp_version(bios) & 0xff);
}
int
nvkm_bios_new(struct nvkm_device *device, int index, struct nvkm_bios **pbios)
{
struct nvkm_bios *bios;
struct bit_entry bit_i;
int ret;
if (!(bios = *pbios = kzalloc(sizeof(*bios), GFP_KERNEL)))
return -ENOMEM;
nvkm_subdev_ctor(&nvkm_bios, device, index, &bios->subdev);
ret = nvbios_shadow(bios);
if (ret)
return ret;
/* detect type of vbios we're dealing with */
bios->bmp_offset = nvbios_findstr(bios->data, bios->size,
"\xff\x7f""NV\0", 5);
if (bios->bmp_offset) {
nvkm_debug(&bios->subdev, "BMP version %x.%x\n",
bmp_version(bios) >> 8,
bmp_version(bios) & 0xff);
}
return ret;
ret = nouveau_bios_shadow(bios);
if (ret)
return ret;
/* detect type of vbios we're dealing with */
bios->bmp_offset = nvbios_findstr(bios->data, bios->size,
"\xff\x7f""NV\0", 5);
if (bios->bmp_offset) {
nv_info(bios, "BMP version %x.%x\n",
bmp_version(bios) >> 8,
bmp_version(bios) & 0xff);
}
bios->bit_offset = nvbios_findstr(bios->data, bios->size,
"\xff\xb8""BIT", 5);
if (bios->bit_offset)
nv_info(bios, "BIT signature found\n");
/* determine the vbios version number */
if (!bit_entry(bios, 'i', &bit_i) && bit_i.length >= 4) {
bios->version.major = nv_ro08(bios, bit_i.offset + 3);
bios->version.chip = nv_ro08(bios, bit_i.offset + 2);
bios->version.minor = nv_ro08(bios, bit_i.offset + 1);
bios->version.micro = nv_ro08(bios, bit_i.offset + 0);
bios->version.patch = nv_ro08(bios, bit_i.offset + 4);
} else
if (bmp_version(bios)) {
bios->version.major = nv_ro08(bios, bios->bmp_offset + 13);
bios->version.chip = nv_ro08(bios, bios->bmp_offset + 12);
bios->version.minor = nv_ro08(bios, bios->bmp_offset + 11);
