72 lines
2.3 KiB
C
72 lines
2.3 KiB
C
/*
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* Copyright (C) 2010 Francisco Jerez.
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial
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* portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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*/
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#include "priv.h"
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#include "ram.h"
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static void
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nv44_fb_tile_init(struct nvkm_fb *fb, int i, u32 addr, u32 size, u32 pitch,
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u32 flags, struct nvkm_fb_tile *tile)
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{
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tile->addr = 0x00000001; /* mode = vram */
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tile->addr |= addr;
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tile->limit = max(1u, addr + size) - 1;
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tile->pitch = pitch;
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}
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void
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nv44_fb_tile_prog(struct nvkm_fb *fb, int i, struct nvkm_fb_tile *tile)
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{
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struct nvkm_device *device = fb->subdev.device;
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nvkm_wr32(device, 0x100604 + (i * 0x10), tile->limit);
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nvkm_wr32(device, 0x100608 + (i * 0x10), tile->pitch);
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nvkm_wr32(device, 0x100600 + (i * 0x10), tile->addr);
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nvkm_rd32(device, 0x100600 + (i * 0x10));
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}
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void
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nv44_fb_init(struct nvkm_fb *fb)
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{
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struct nvkm_device *device = fb->subdev.device;
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nvkm_wr32(device, 0x100850, 0x80000000);
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nvkm_wr32(device, 0x100800, 0x00000001);
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}
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static const struct nvkm_fb_func
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nv44_fb = {
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.init = nv44_fb_init,
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.tile.regions = 12,
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.tile.init = nv44_fb_tile_init,
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.tile.fini = nv20_fb_tile_fini,
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.tile.prog = nv44_fb_tile_prog,
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.ram_new = nv44_ram_new,
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};
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int
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nv44_fb_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_fb **pfb)
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{
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return nvkm_fb_new_(&nv44_fb, device, type, inst, pfb);
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}
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