/*
* Copyright 2013 Red Hat Inc .
*
* Permission is hereby granted , free of charge , to any person obtaining a
* copy of this software and associated documentation files ( the " Software " ) ,
* to deal in the Software without restriction , including without limitation
* the rights to use , copy , modify , merge , publish , distribute , sublicense ,
* and / or sell copies of the Software , and to permit persons to whom the
* Software is furnished to do so , subject to the following conditions :
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software .
*
* THE SOFTWARE IS PROVIDED " AS IS " , WITHOUT WARRANTY OF ANY KIND , EXPRESS OR
* IMPLIED , INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY ,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT . IN NO EVENT SHALL
* THE COPYRIGHT HOLDER ( S ) OR AUTHOR ( S ) BE LIABLE FOR ANY CLAIM , DAMAGES OR
* OTHER LIABILITY , WHETHER IN AN ACTION OF CONTRACT , TORT OR OTHERWISE ,
* ARISING FROM , OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE .
*
* Authors : Ben Skeggs
*/
#include "ram.h"
int
nv20_ram_new(struct nvkm_fb *fb, struct nvkm_ram **pram)
{
struct nvkm_device *device = fb->subdev.device;
u32 pbus1218 = nvkm_rd32(device, 0 x001218);
u32 size = (nvkm_rd32(device, 0 x10020c) & 0 xff000000);
enum nvkm_ram_type type = NVKM_RAM_TYPE_UNKNOWN;
int ret;
switch (pbus1218 & 0 x00000300) {
case 0 x00000000: type = NVKM_RAM_TYPE_SDRAM; break ;
case 0 x00000100: type = NVKM_RAM_TYPE_DDR1 ; break ;
case 0 x00000200: type = NVKM_RAM_TYPE_GDDR3; break ;
case 0 x00000300: type = NVKM_RAM_TYPE_GDDR2; break ;
}
ret = nvkm_ram_new_(&nv04_ram_func, fb, type, size, pram);
if (ret)
return ret;
(*pram)->parts = (nvkm_rd32(device, 0 x100200) & 0 x00000003) + 1 ;
return 0 ;
}
Messung V0.5 in Prozent C=98 H=100 G=98
¤ Dauer der Verarbeitung: 0.10 Sekunden
(vorverarbeitet am 2026-10-07)
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