217 lines
		
	
	
		
			5.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			217 lines
		
	
	
		
			5.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
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 * Copyright 2012 Nouveau Community
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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: Martin Peres
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 */
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#include <subdev/bios.h>
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#include <subdev/bios/bit.h>
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#include <subdev/bios/perf.h>
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#include <subdev/pci.h>
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u32
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nvbios_perf_table(struct nvkm_bios *bios, u8 *ver, u8 *hdr,
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		  u8 *cnt, u8 *len, u8 *snr, u8 *ssz)
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{
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	struct bit_entry bit_P;
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	u32 perf = 0;
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	if (!bit_entry(bios, 'P', &bit_P)) {
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		if (bit_P.version <= 2) {
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			perf = nvbios_rd32(bios, bit_P.offset + 0);
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			if (perf) {
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				*ver = nvbios_rd08(bios, perf + 0);
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				*hdr = nvbios_rd08(bios, perf + 1);
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				if (*ver >= 0x40 && *ver < 0x41) {
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					*cnt = nvbios_rd08(bios, perf + 5);
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					*len = nvbios_rd08(bios, perf + 2);
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					*snr = nvbios_rd08(bios, perf + 4);
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					*ssz = nvbios_rd08(bios, perf + 3);
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					return perf;
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				} else
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				if (*ver >= 0x20 && *ver < 0x40) {
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					*cnt = nvbios_rd08(bios, perf + 2);
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					*len = nvbios_rd08(bios, perf + 3);
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					*snr = nvbios_rd08(bios, perf + 4);
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					*ssz = nvbios_rd08(bios, perf + 5);
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					return perf;
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				}
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			}
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		}
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	}
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	if (bios->bmp_offset) {
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		if (nvbios_rd08(bios, bios->bmp_offset + 6) >= 0x25) {
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			perf = nvbios_rd16(bios, bios->bmp_offset + 0x94);
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			if (perf) {
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				*hdr = nvbios_rd08(bios, perf + 0);
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				*ver = nvbios_rd08(bios, perf + 1);
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				*cnt = nvbios_rd08(bios, perf + 2);
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				*len = nvbios_rd08(bios, perf + 3);
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				*snr = 0;
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				*ssz = 0;
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				return perf;
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			}
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		}
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	}
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	return 0;
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}
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u32
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nvbios_perf_entry(struct nvkm_bios *bios, int idx,
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		  u8 *ver, u8 *hdr, u8 *cnt, u8 *len)
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{
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	u8  snr, ssz;
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	u32 perf = nvbios_perf_table(bios, ver, hdr, cnt, len, &snr, &ssz);
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	if (perf && idx < *cnt) {
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		perf = perf + *hdr + (idx * (*len + (snr * ssz)));
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		*hdr = *len;
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		*cnt = snr;
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		*len = ssz;
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		return perf;
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	}
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	return 0;
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}
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u32
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nvbios_perfEp(struct nvkm_bios *bios, int idx,
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	      u8 *ver, u8 *hdr, u8 *cnt, u8 *len, struct nvbios_perfE *info)
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{
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	u32 perf = nvbios_perf_entry(bios, idx, ver, hdr, cnt, len);
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	memset(info, 0x00, sizeof(*info));
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	info->pstate = nvbios_rd08(bios, perf + 0x00);
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	switch (!!perf * *ver) {
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	case 0x12:
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	case 0x13:
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	case 0x14:
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		info->core     = nvbios_rd32(bios, perf + 0x01) * 10;
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		info->memory   = nvbios_rd32(bios, perf + 0x05) * 20;
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		info->fanspeed = nvbios_rd08(bios, perf + 0x37);
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		if (*hdr > 0x38)
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			info->voltage = nvbios_rd08(bios, perf + 0x38);
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		break;
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	case 0x21:
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	case 0x23:
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	case 0x24:
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		info->fanspeed = nvbios_rd08(bios, perf + 0x04);
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		info->voltage  = nvbios_rd08(bios, perf + 0x05);
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		info->shader   = nvbios_rd16(bios, perf + 0x06) * 1000;
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		info->core     = info->shader + (signed char)
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				 nvbios_rd08(bios, perf + 0x08) * 1000;
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		switch (bios->subdev.device->chipset) {
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		case 0x49:
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		case 0x4b:
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			info->memory = nvbios_rd16(bios, perf + 0x0b) * 1000;
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			break;
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		default:
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			info->memory = nvbios_rd16(bios, perf + 0x0b) * 2000;
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			break;
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		}
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		break;
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	case 0x25:
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		info->fanspeed = nvbios_rd08(bios, perf + 0x04);
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		info->voltage  = nvbios_rd08(bios, perf + 0x05);
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		info->core     = nvbios_rd16(bios, perf + 0x06) * 1000;
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		info->shader   = nvbios_rd16(bios, perf + 0x0a) * 1000;
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		info->memory   = nvbios_rd16(bios, perf + 0x0c) * 1000;
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		break;
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	case 0x30:
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		info->script   = nvbios_rd16(bios, perf + 0x02);
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		fallthrough;
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	case 0x35:
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		info->fanspeed = nvbios_rd08(bios, perf + 0x06);
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		info->voltage  = nvbios_rd08(bios, perf + 0x07);
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		info->core     = nvbios_rd16(bios, perf + 0x08) * 1000;
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		info->shader   = nvbios_rd16(bios, perf + 0x0a) * 1000;
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		info->memory   = nvbios_rd16(bios, perf + 0x0c) * 1000;
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		info->vdec     = nvbios_rd16(bios, perf + 0x10) * 1000;
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		info->disp     = nvbios_rd16(bios, perf + 0x14) * 1000;
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		break;
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	case 0x40:
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		info->voltage  = nvbios_rd08(bios, perf + 0x02);
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		switch (nvbios_rd08(bios, perf + 0xb) & 0x3) {
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		case 0:
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			info->pcie_speed = NVKM_PCIE_SPEED_5_0;
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			break;
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		case 3:
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		case 1:
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			info->pcie_speed = NVKM_PCIE_SPEED_2_5;
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			break;
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		case 2:
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			info->pcie_speed = NVKM_PCIE_SPEED_8_0;
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			break;
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		default:
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			break;
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		}
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		info->pcie_width = 0xff;
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		break;
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	default:
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		return 0;
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	}
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	return perf;
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}
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u32
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nvbios_perfSe(struct nvkm_bios *bios, u32 perfE, int idx,
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	      u8 *ver, u8 *hdr, u8 cnt, u8 len)
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{
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	u32 data = 0x00000000;
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	if (idx < cnt) {
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		data = perfE + *hdr + (idx * len);
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		*hdr = len;
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	}
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	return data;
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}
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u32
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nvbios_perfSp(struct nvkm_bios *bios, u32 perfE, int idx,
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	      u8 *ver, u8 *hdr, u8 cnt, u8 len,
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	      struct nvbios_perfS *info)
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{
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	u32 data = nvbios_perfSe(bios, perfE, idx, ver, hdr, cnt, len);
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	memset(info, 0x00, sizeof(*info));
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	switch (!!data * *ver) {
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	case 0x40:
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		info->v40.freq = (nvbios_rd16(bios, data + 0x00) & 0x3fff) * 1000;
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		break;
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	default:
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		break;
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	}
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	return data;
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}
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int
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nvbios_perf_fan_parse(struct nvkm_bios *bios,
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		      struct nvbios_perf_fan *fan)
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{
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	u8  ver, hdr, cnt, len, snr, ssz;
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	u32 perf = nvbios_perf_table(bios, &ver, &hdr, &cnt, &len, &snr, &ssz);
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	if (!perf)
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		return -ENODEV;
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	if (ver >= 0x20 && ver < 0x40 && hdr > 6)
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		fan->pwm_divisor = nvbios_rd16(bios, perf + 6);
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	else
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		fan->pwm_divisor = 0;
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	return 0;
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}
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