C++ (Cpp) nv40_ram_new_ Examples

Example #1

File: ramnv44.c Project: 020gzh/linux

int
nv44_ram_new(struct nvkm_fb *fb, struct nvkm_ram **pram)
{
	struct nvkm_device *device = fb->subdev.device;
	u32  size = nvkm_rd32(device, 0x10020c) & 0xff000000;
	u32 fb474 = nvkm_rd32(device, 0x100474);
	enum nvkm_ram_type type = NVKM_RAM_TYPE_UNKNOWN;

	if (fb474 & 0x00000004)
		type = NVKM_RAM_TYPE_GDDR3;
	if (fb474 & 0x00000002)
		type = NVKM_RAM_TYPE_DDR2;
	if (fb474 & 0x00000001)
		type = NVKM_RAM_TYPE_DDR1;

	return nv40_ram_new_(fb, type, size, 0, pram);
}

Example #2

File: ramnv49.c Project: AlexShiLucky/linux

int
nv49_ram_new(struct nvkm_fb *fb, struct nvkm_ram **pram)
{
	struct nvkm_device *device = fb->subdev.device;
	u32  size = nvkm_rd32(device, 0x10020c) & 0xff000000;
	u32 fb914 = nvkm_rd32(device, 0x100914);
	enum nvkm_ram_type type = NVKM_RAM_TYPE_UNKNOWN;
	int ret;

	switch (fb914 & 0x00000003) {
	case 0x00000000: type = NVKM_RAM_TYPE_DDR1 ; break;
	case 0x00000001: type = NVKM_RAM_TYPE_DDR2 ; break;
	case 0x00000002: type = NVKM_RAM_TYPE_GDDR3; break;
	case 0x00000003: break;
	}

	ret = nv40_ram_new_(fb, type, size, pram);
	if (ret)
		return ret;

	(*pram)->parts = (nvkm_rd32(device, 0x100200) & 0x00000003) + 1;
	return 0;
}