ramga102.c (1564B)
1/* 2 * Copyright 2021 Red Hat Inc. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20 * OTHER DEALINGS IN THE SOFTWARE. 21 */ 22#include "ram.h" 23 24#include <subdev/bios.h> 25#include <subdev/bios/init.h> 26#include <subdev/bios/rammap.h> 27 28static const struct nvkm_ram_func 29ga102_ram = { 30}; 31 32int 33ga102_ram_new(struct nvkm_fb *fb, struct nvkm_ram **pram) 34{ 35 struct nvkm_device *device = fb->subdev.device; 36 enum nvkm_ram_type type = nvkm_fb_bios_memtype(device->bios); 37 u32 size = nvkm_rd32(device, 0x1183a4); 38 39 return nvkm_ram_new_(&ga102_ram, fb, type, (u64)size << 20, pram); 40}