72 lines · c
1/*2 * Copyright 2012 Red Hat Inc.3 *4 * Permission is hereby granted, free of charge, to any person obtaining a5 * copy of this software and associated documentation files (the "Software"),6 * to deal in the Software without restriction, including without limitation7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,8 * and/or sell copies of the Software, and to permit persons to whom the9 * Software is furnished to do so, subject to the following conditions:10 *11 * The above copyright notice and this permission notice shall be included in12 * all copies or substantial portions of the Software.13 *14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR18 * 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 OR20 * OTHER DEALINGS IN THE SOFTWARE.21 *22 * Authors: Ben Skeggs23 */24#include "gf100.h"25#include "ram.h"26 27#include <core/memory.h>28 29int30gm200_fb_init_page(struct nvkm_fb *fb)31{32 struct nvkm_device *device = fb->subdev.device;33 switch (fb->page) {34 case 16: nvkm_mask(device, 0x100c80, 0x00001801, 0x00001001); break;35 case 17: nvkm_mask(device, 0x100c80, 0x00001801, 0x00000000); break;36 case 0: nvkm_mask(device, 0x100c80, 0x00001800, 0x00001800); break;37 default:38 return -EINVAL;39 }40 return 0;41}42 43void44gm200_fb_init(struct nvkm_fb *base)45{46 struct gf100_fb *fb = gf100_fb(base);47 struct nvkm_device *device = fb->base.subdev.device;48 49 nvkm_wr32(device, 0x100cc8, nvkm_memory_addr(fb->base.mmu_wr) >> 8);50 nvkm_wr32(device, 0x100ccc, nvkm_memory_addr(fb->base.mmu_rd) >> 8);51 nvkm_mask(device, 0x100cc4, 0x00060000,52 min(nvkm_memory_size(fb->base.mmu_rd) >> 16, (u64)2) << 17);53}54 55static const struct nvkm_fb_func56gm200_fb = {57 .dtor = gf100_fb_dtor,58 .oneinit = gf100_fb_oneinit,59 .init = gm200_fb_init,60 .init_page = gm200_fb_init_page,61 .intr = gf100_fb_intr,62 .sysmem.flush_page_init = gf100_fb_sysmem_flush_page_init,63 .ram_new = gm200_ram_new,64 .default_bigpage = 0 /* per-instance. */,65};66 67int68gm200_fb_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_fb **pfb)69{70 return gf100_fb_new_(&gm200_fb, device, type, inst, pfb);71}72