/*
|
* 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 <subdev/bios.h>
|
#include <subdev/bios/bit.h>
|
#include <subdev/bios/P0260.h>
|
|
u32
|
nvbios_P0260Te(struct nvkm_bios *bios,
|
u8 *ver, u8 *hdr, u8 *cnt, u8 *len, u8 *xnr, u8 *xsz)
|
{
|
struct bit_entry bit_P;
|
u32 data = 0x00000000;
|
|
if (!bit_entry(bios, 'P', &bit_P)) {
|
if (bit_P.version == 2 && bit_P.length > 0x63)
|
data = nvbios_rd32(bios, bit_P.offset + 0x60);
|
if (data) {
|
*ver = nvbios_rd08(bios, data + 0);
|
switch (*ver) {
|
case 0x10:
|
*hdr = nvbios_rd08(bios, data + 1);
|
*cnt = nvbios_rd08(bios, data + 2);
|
*len = 4;
|
*xnr = nvbios_rd08(bios, data + 3);
|
*xsz = 4;
|
return data;
|
default:
|
break;
|
}
|
}
|
}
|
|
return 0x00000000;
|
}
|
|
u32
|
nvbios_P0260Ee(struct nvkm_bios *bios, int idx, u8 *ver, u8 *len)
|
{
|
u8 hdr, cnt, xnr, xsz;
|
u32 data = nvbios_P0260Te(bios, ver, &hdr, &cnt, len, &xnr, &xsz);
|
if (data && idx < cnt)
|
return data + hdr + (idx * *len);
|
return 0x00000000;
|
}
|
|
u32
|
nvbios_P0260Ep(struct nvkm_bios *bios, int idx, u8 *ver, u8 *len,
|
struct nvbios_P0260E *info)
|
{
|
u32 data = nvbios_P0260Ee(bios, idx, ver, len);
|
memset(info, 0x00, sizeof(*info));
|
switch (!!data * *ver) {
|
case 0x10:
|
info->data = nvbios_rd32(bios, data);
|
return data;
|
default:
|
break;
|
}
|
return 0x00000000;
|
}
|
|
u32
|
nvbios_P0260Xe(struct nvkm_bios *bios, int idx, u8 *ver, u8 *xsz)
|
{
|
u8 hdr, cnt, len, xnr;
|
u32 data = nvbios_P0260Te(bios, ver, &hdr, &cnt, &len, &xnr, xsz);
|
if (data && idx < xnr)
|
return data + hdr + (cnt * len) + (idx * *xsz);
|
return 0x00000000;
|
}
|
|
u32
|
nvbios_P0260Xp(struct nvkm_bios *bios, int idx, u8 *ver, u8 *hdr,
|
struct nvbios_P0260X *info)
|
{
|
u32 data = nvbios_P0260Xe(bios, idx, ver, hdr);
|
memset(info, 0x00, sizeof(*info));
|
switch (!!data * *ver) {
|
case 0x10:
|
info->data = nvbios_rd32(bios, data);
|
return data;
|
default:
|
break;
|
}
|
return 0x00000000;
|
}
|
