76 lines
2.4 KiB
C
76 lines
2.4 KiB
C
/*
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* Copyright 2012 Red Hat Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* Authors: Ben Skeggs
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*/
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#include "gf100.h"
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#include "ram.h"
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#include <core/memory.h>
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int
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gm200_fb_init_page(struct nvkm_fb *fb)
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{
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struct nvkm_device *device = fb->subdev.device;
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switch (fb->page) {
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case 16: nvkm_mask(device, 0x100c80, 0x00001801, 0x00001001); break;
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case 17: nvkm_mask(device, 0x100c80, 0x00001801, 0x00000000); break;
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case 0: nvkm_mask(device, 0x100c80, 0x00001800, 0x00001800); break;
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default:
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return -EINVAL;
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}
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return 0;
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}
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void
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gm200_fb_init(struct nvkm_fb *base)
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{
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struct gf100_fb *fb = gf100_fb(base);
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struct nvkm_device *device = fb->base.subdev.device;
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if (fb->r100c10_page)
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nvkm_wr32(device, 0x100c10, fb->r100c10 >> 8);
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nvkm_mask(device, 0x100c80, 0x00000001, 0x00000000); /* 128KiB lpg */
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nvkm_wr32(device, 0x100cc8, nvkm_memory_addr(fb->base.mmu_wr) >> 8);
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nvkm_wr32(device, 0x100ccc, nvkm_memory_addr(fb->base.mmu_rd) >> 8);
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nvkm_mask(device, 0x100cc4, 0x00060000,
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min(nvkm_memory_size(fb->base.mmu_rd) >> 16, (u64)2) << 17);
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}
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static const struct nvkm_fb_func
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gm200_fb = {
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.dtor = gf100_fb_dtor,
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.oneinit = gf100_fb_oneinit,
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.init = gm200_fb_init,
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.init_page = gm200_fb_init_page,
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.intr = gf100_fb_intr,
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.ram_new = gm200_ram_new,
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.default_bigpage = 0 /* per-instance. */,
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};
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int
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gm200_fb_new(struct nvkm_device *device, int index, struct nvkm_fb **pfb)
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{
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return gf100_fb_new_(&gm200_fb, device, index, pfb);
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}
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