/*
* Copyright 2012 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 .
*
*/
#include "priv.h"
#include <subdev/pci.h>
static u32
nvbios_prom_read(void *data, u32 offset, u32 length, struct nvkm_bios *bios)
{
struct nvkm_device *device = data;
u32 i;
if (offset + length <= 0 x00100000) {
for (i = offset; i < offset + length; i += 4 )
*(u32 *)&bios->data[i] = nvkm_rd32(device, 0 x300000 + i);
return length;
}
return 0 ;
}
static void
nvbios_prom_fini(void *data)
{
struct nvkm_device *device = data;
nvkm_pci_rom_shadow(device->pci, true );
}
static void *
nvbios_prom_init(struct nvkm_bios *bios, const char *name)
{
struct nvkm_device *device = bios->subdev.device;
if (device->card_type == NV_40 && device->chipset >= 0 x4c)
return ERR_PTR(-ENODEV);
nvkm_pci_rom_shadow(device->pci, false );
return device;
}
const struct nvbios_source
nvbios_prom = {
.name = "PROM" ,
.init = nvbios_prom_init,
.fini = nvbios_prom_fini,
.read = nvbios_prom_read,
.rw = false ,
};
Messung V0.5 in Prozent C=99 H=93 G=95
¤ Dauer der Verarbeitung: 0.12 Sekunden
(vorverarbeitet am 2026-10-11)
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