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88 lines
3.0 KiB
C
88 lines
3.0 KiB
C
/* NVClock 0.8 - Linux overclocker for NVIDIA cards
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*
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* Copyright(C) 2001-2005 Roderick Colenbrander
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*
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* site: http://nvclock.sourceforge.net
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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*/
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#include "config.h"
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#include "i2c.h"
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#include "nvclock.h"
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#include "nvreg.h"
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#include <stdint.h>
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/* Thanks to Alexey Nicolaychuk (Unwinder), the author of Rivatuner, for providing
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these macros to get nv30 clock detection working.
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*/
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#define NV30_PLL_M1(PLL) ( ( PLL ) & 0x0f )
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#define NV30_PLL_M2(PLL) ( ( ( PLL ) >> 4 ) & 0x07 )
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#define NV30_PLL_N1(PLL) ( ( ( PLL ) >> 8 ) & 0xff )
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#define NV30_PLL_N2(PLL) ( ( ( ( PLL ) >> 19 ) & 0x07 ) | ( ( ( PLL ) >> 21 ) & 0x18 ) )
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#define NV30_PLL_P(PLL) ( ( ( PLL ) >> 16 ) & 0x07 )
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#define PCI_GET_BUS(devbusfn) ((devbusfn >> 8) & 0xff)
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#define PCI_GET_DEVICE(devbusfn) ((devbusfn & 0xff) >> 3)
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#define PCI_GET_FUNCTION(devbusfn) (devbusfn & 0x7)
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#define PCI_GET_DEVBUSFN(dev, bus, fn) ((bus << 8) | (dev << 3) | (fn & 0x7))
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/* Set the card object to the requested card */
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int set_card(int number);
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/* Some internally needed functions */
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const char* get_card_name(int device_id, gpu_type *gpu);
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int get_gpu_arch(int device_id);
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int set_card_info(int number); /* Basic version of set_card */
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int map_mem(const char* dev_name);
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void unmap_mem();
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int32_t pciReadLong(unsigned short devbusfn, long offset);
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/* Bios related stuff */
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void dump_bios(char *filename);
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struct nvbios* read_bios(char *filename);
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/* NV-CONTROL overclocking functions */
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float nvcontrol_get_gpu_speed();
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float nvcontrol_get_memory_speed(); /* NV-CONTROL wrapper */
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void nvcontrol_set_gpu_speed(unsigned int nvclk);
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void nvcontrol_set_memory_speed(unsigned int memclk);
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void nvcontrol_reset_gpu_speed();
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void nvcontrol_reset_memory_speed();
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/* PLL to clock conversion */
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float GetClock(int base_freq, unsigned int pll);
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float GetClock_nv30(int base_freq, unsigned int pll, unsigned int pll2);
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float GetClock_nv40(int base_freq, unsigned int pll, unsigned int pll2);
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float GetClock_nv50(int base_freq, unsigned int pll, unsigned int pll2);
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void info_init(void);
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void i2c_sensor_init(void);
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void nv_init(void);
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void nv30_init(void);
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void nv31_init(void);
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void nv40_init(void);
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void nv50_init(void);
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/* PCI bus reading */
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unsigned char nv_read_pbus8(int offset);
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unsigned short nv_read_pbus16(int offset);
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unsigned int nv_read_pbus(int offset);
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/* PMC reading */
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unsigned int nv_read_pmc(int offset);
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