forked from luck/tmp_suning_uos_patched
99 lines
2.8 KiB
C
99 lines
2.8 KiB
C
|
/*
|
||
|
|
i2c-sensor-vid.c - Part of lm_sensors, Linux kernel modules for hardware
|
||
|
|
monitoring
|
||
|
|
|
||
|
|
Copyright (c) 2004 Rudolf Marek <r.marek@sh.cvut.cz>
|
||
|
|
|
||
|
|
This program is free software; you can redistribute it and/or modify
|
||
|
|
it under the terms of the GNU General Public License as published by
|
||
|
|
the Free Software Foundation; either version 2 of the License, or
|
||
|
|
(at your option) any later version.
|
||
|
|
|
||
|
|
This program is distributed in the hope that it will be useful,
|
||
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
|
GNU General Public License for more details.
|
||
|
|
|
||
|
|
You should have received a copy of the GNU General Public License
|
||
|
|
along with this program; if not, write to the Free Software
|
||
|
|
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <linux/config.h>
|
||
|
|
#include <linux/module.h>
|
||
|
|
#include <linux/kernel.h>
|
||
|
|
|
||
|
|
struct vrm_model {
|
||
|
|
u8 vendor;
|
||
|
|
u8 eff_family;
|
||
|
|
u8 eff_model;
|
||
|
|
int vrm_type;
|
||
|
|
};
|
||
|
|
|
||
|
|
#define ANY 0xFF
|
||
|
|
|
||
|
|
#ifdef CONFIG_X86
|
||
|
|
|
||
|
|
static struct vrm_model vrm_models[] = {
|
||
|
|
{X86_VENDOR_AMD, 0x6, ANY, 90}, /* Athlon Duron etc */
|
||
|
|
{X86_VENDOR_AMD, 0xF, ANY, 24}, /* Athlon 64, Opteron */
|
||
|
|
{X86_VENDOR_INTEL, 0x6, 0x9, 85}, /* 0.13um too */
|
||
|
|
{X86_VENDOR_INTEL, 0x6, 0xB, 85}, /* 0xB Tualatin */
|
||
|
|
{X86_VENDOR_INTEL, 0x6, ANY, 82}, /* any P6 */
|
||
|
|
{X86_VENDOR_INTEL, 0x7, ANY, 0}, /* Itanium */
|
||
|
|
{X86_VENDOR_INTEL, 0xF, 0x3, 100}, /* P4 Prescott */
|
||
|
|
{X86_VENDOR_INTEL, 0xF, ANY, 90}, /* P4 before Prescott */
|
||
|
|
{X86_VENDOR_INTEL, 0x10,ANY, 0}, /* Itanium 2 */
|
||
|
|
{X86_VENDOR_UNKNOWN, ANY, ANY, 0} /* stop here */
|
||
|
|
};
|
||
|
|
|
||
|
|
static int find_vrm(u8 eff_family, u8 eff_model, u8 vendor)
|
||
|
|
{
|
||
|
|
int i = 0;
|
||
|
|
|
||
|
|
while (vrm_models[i].vendor!=X86_VENDOR_UNKNOWN) {
|
||
|
|
if (vrm_models[i].vendor==vendor)
|
||
|
|
if ((vrm_models[i].eff_family==eff_family)&& \
|
||
|
|
((vrm_models[i].eff_model==eff_model)|| \
|
||
|
|
(vrm_models[i].eff_model==ANY)))
|
||
|
|
return vrm_models[i].vrm_type;
|
||
|
|
i++;
|
||
|
|
}
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
int i2c_which_vrm(void)
|
||
|
|
{
|
||
|
|
struct cpuinfo_x86 *c = cpu_data;
|
||
|
|
u32 eax;
|
||
|
|
u8 eff_family, eff_model;
|
||
|
|
int vrm_ret;
|
||
|
|
|
||
|
|
if (c->x86 < 6) return 0; /* any CPU with familly lower than 6
|
||
|
|
dont have VID and/or CPUID */
|
||
|
|
eax = cpuid_eax(1);
|
||
|
|
eff_family = ((eax & 0x00000F00)>>8);
|
||
|
|
eff_model = ((eax & 0x000000F0)>>4);
|
||
|
|
if (eff_family == 0xF) { /* use extended model & family */
|
||
|
|
eff_family += ((eax & 0x00F00000)>>20);
|
||
|
|
eff_model += ((eax & 0x000F0000)>>16)<<4;
|
||
|
|
}
|
||
|
|
vrm_ret = find_vrm(eff_family,eff_model,c->x86_vendor);
|
||
|
|
if (vrm_ret == 0)
|
||
|
|
printk(KERN_INFO "i2c-sensor.o: Unknown VRM version of your"
|
||
|
|
" x86 CPU\n");
|
||
|
|
return vrm_ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* and now for something completely different for Non-x86 world*/
|
||
|
|
#else
|
||
|
|
int i2c_which_vrm(void)
|
||
|
|
{
|
||
|
|
printk(KERN_INFO "i2c-sensor.o: Unknown VRM version of your CPU\n");
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
EXPORT_SYMBOL(i2c_which_vrm);
|