9d75ca28f0
Intel manual says: "If a transition is already in progress, transition to a new value will subsequently take effect. Reads of IA32_PERF_CTL determine the last targeted operating point." So seems it should be fine to just trigger wanted transition and go. Linux does the same. MFC after: 1 month
1402 lines
42 KiB
C
1402 lines
42 KiB
C
/*-
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* Copyright (c) 2004 Colin Percival
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* Copyright (c) 2005 Nate Lawson
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted providing that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/bus.h>
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#include <sys/cpu.h>
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#include <sys/kernel.h>
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#include <sys/malloc.h>
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#include <sys/module.h>
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#include <sys/smp.h>
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#include <sys/systm.h>
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#include "cpufreq_if.h"
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#include <machine/clock.h>
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#include <machine/cputypes.h>
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#include <machine/md_var.h>
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#include <machine/specialreg.h>
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#include <contrib/dev/acpica/include/acpi.h>
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#include <dev/acpica/acpivar.h>
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#include "acpi_if.h"
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/* Status/control registers (from the IA-32 System Programming Guide). */
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#define MSR_PERF_STATUS 0x198
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#define MSR_PERF_CTL 0x199
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/* Register and bit for enabling SpeedStep. */
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#define MSR_MISC_ENABLE 0x1a0
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#define MSR_SS_ENABLE (1<<16)
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/* Frequency and MSR control values. */
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typedef struct {
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uint16_t freq;
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uint16_t volts;
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uint16_t id16;
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int power;
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} freq_info;
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/* Identifying characteristics of a processor and supported frequencies. */
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typedef struct {
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const u_int vendor_id;
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uint32_t id32;
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freq_info *freqtab;
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} cpu_info;
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struct est_softc {
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device_t dev;
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int acpi_settings;
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int msr_settings;
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freq_info *freq_list;
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};
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/* Convert MHz and mV into IDs for passing to the MSR. */
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#define ID16(MHz, mV, bus_clk) \
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(((MHz / bus_clk) << 8) | ((mV ? mV - 700 : 0) >> 4))
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#define ID32(MHz_hi, mV_hi, MHz_lo, mV_lo, bus_clk) \
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((ID16(MHz_lo, mV_lo, bus_clk) << 16) | (ID16(MHz_hi, mV_hi, bus_clk)))
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/* Format for storing IDs in our table. */
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#define FREQ_INFO_PWR(MHz, mV, bus_clk, mW) \
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{ MHz, mV, ID16(MHz, mV, bus_clk), mW }
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#define FREQ_INFO(MHz, mV, bus_clk) \
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FREQ_INFO_PWR(MHz, mV, bus_clk, CPUFREQ_VAL_UNKNOWN)
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#define INTEL(tab, zhi, vhi, zlo, vlo, bus_clk) \
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{ CPU_VENDOR_INTEL, ID32(zhi, vhi, zlo, vlo, bus_clk), tab }
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#define CENTAUR(tab, zhi, vhi, zlo, vlo, bus_clk) \
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{ CPU_VENDOR_CENTAUR, ID32(zhi, vhi, zlo, vlo, bus_clk), tab }
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static int msr_info_enabled = 0;
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TUNABLE_INT("hw.est.msr_info", &msr_info_enabled);
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static int strict = -1;
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TUNABLE_INT("hw.est.strict", &strict);
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/* Default bus clock value for Centrino processors. */
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#define INTEL_BUS_CLK 100
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/* XXX Update this if new CPUs have more settings. */
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#define EST_MAX_SETTINGS 10
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CTASSERT(EST_MAX_SETTINGS <= MAX_SETTINGS);
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/* Estimate in microseconds of latency for performing a transition. */
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#define EST_TRANS_LAT 1000
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/*
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* Frequency (MHz) and voltage (mV) settings.
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*
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* Dothan processors have multiple VID#s with different settings for
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* each VID#. Since we can't uniquely identify this info
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* without undisclosed methods from Intel, we can't support newer
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* processors with this table method. If ACPI Px states are supported,
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* we get info from them.
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*
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* Data from the "Intel Pentium M Processor Datasheet",
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* Order Number 252612-003, Table 5.
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*/
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static freq_info PM17_130[] = {
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/* 130nm 1.70GHz Pentium M */
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FREQ_INFO(1700, 1484, INTEL_BUS_CLK),
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FREQ_INFO(1400, 1308, INTEL_BUS_CLK),
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FREQ_INFO(1200, 1228, INTEL_BUS_CLK),
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FREQ_INFO(1000, 1116, INTEL_BUS_CLK),
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FREQ_INFO( 800, 1004, INTEL_BUS_CLK),
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FREQ_INFO( 600, 956, INTEL_BUS_CLK),
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FREQ_INFO( 0, 0, 1),
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};
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static freq_info PM16_130[] = {
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/* 130nm 1.60GHz Pentium M */
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FREQ_INFO(1600, 1484, INTEL_BUS_CLK),
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FREQ_INFO(1400, 1420, INTEL_BUS_CLK),
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FREQ_INFO(1200, 1276, INTEL_BUS_CLK),
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FREQ_INFO(1000, 1164, INTEL_BUS_CLK),
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FREQ_INFO( 800, 1036, INTEL_BUS_CLK),
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FREQ_INFO( 600, 956, INTEL_BUS_CLK),
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FREQ_INFO( 0, 0, 1),
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};
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static freq_info PM15_130[] = {
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/* 130nm 1.50GHz Pentium M */
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FREQ_INFO(1500, 1484, INTEL_BUS_CLK),
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FREQ_INFO(1400, 1452, INTEL_BUS_CLK),
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FREQ_INFO(1200, 1356, INTEL_BUS_CLK),
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FREQ_INFO(1000, 1228, INTEL_BUS_CLK),
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FREQ_INFO( 800, 1116, INTEL_BUS_CLK),
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FREQ_INFO( 600, 956, INTEL_BUS_CLK),
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FREQ_INFO( 0, 0, 1),
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};
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static freq_info PM14_130[] = {
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/* 130nm 1.40GHz Pentium M */
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FREQ_INFO(1400, 1484, INTEL_BUS_CLK),
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FREQ_INFO(1200, 1436, INTEL_BUS_CLK),
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FREQ_INFO(1000, 1308, INTEL_BUS_CLK),
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FREQ_INFO( 800, 1180, INTEL_BUS_CLK),
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FREQ_INFO( 600, 956, INTEL_BUS_CLK),
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FREQ_INFO( 0, 0, 1),
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};
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static freq_info PM13_130[] = {
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/* 130nm 1.30GHz Pentium M */
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FREQ_INFO(1300, 1388, INTEL_BUS_CLK),
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FREQ_INFO(1200, 1356, INTEL_BUS_CLK),
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FREQ_INFO(1000, 1292, INTEL_BUS_CLK),
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FREQ_INFO( 800, 1260, INTEL_BUS_CLK),
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FREQ_INFO( 600, 956, INTEL_BUS_CLK),
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FREQ_INFO( 0, 0, 1),
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};
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static freq_info PM13_LV_130[] = {
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/* 130nm 1.30GHz Low Voltage Pentium M */
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FREQ_INFO(1300, 1180, INTEL_BUS_CLK),
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FREQ_INFO(1200, 1164, INTEL_BUS_CLK),
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FREQ_INFO(1100, 1100, INTEL_BUS_CLK),
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FREQ_INFO(1000, 1020, INTEL_BUS_CLK),
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FREQ_INFO( 900, 1004, INTEL_BUS_CLK),
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FREQ_INFO( 800, 988, INTEL_BUS_CLK),
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FREQ_INFO( 600, 956, INTEL_BUS_CLK),
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FREQ_INFO( 0, 0, 1),
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};
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static freq_info PM12_LV_130[] = {
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/* 130 nm 1.20GHz Low Voltage Pentium M */
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FREQ_INFO(1200, 1180, INTEL_BUS_CLK),
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FREQ_INFO(1100, 1164, INTEL_BUS_CLK),
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FREQ_INFO(1000, 1100, INTEL_BUS_CLK),
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FREQ_INFO( 900, 1020, INTEL_BUS_CLK),
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FREQ_INFO( 800, 1004, INTEL_BUS_CLK),
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FREQ_INFO( 600, 956, INTEL_BUS_CLK),
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FREQ_INFO( 0, 0, 1),
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};
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static freq_info PM11_LV_130[] = {
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/* 130 nm 1.10GHz Low Voltage Pentium M */
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FREQ_INFO(1100, 1180, INTEL_BUS_CLK),
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FREQ_INFO(1000, 1164, INTEL_BUS_CLK),
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FREQ_INFO( 900, 1100, INTEL_BUS_CLK),
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FREQ_INFO( 800, 1020, INTEL_BUS_CLK),
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FREQ_INFO( 600, 956, INTEL_BUS_CLK),
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FREQ_INFO( 0, 0, 1),
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};
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static freq_info PM11_ULV_130[] = {
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/* 130 nm 1.10GHz Ultra Low Voltage Pentium M */
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FREQ_INFO(1100, 1004, INTEL_BUS_CLK),
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FREQ_INFO(1000, 988, INTEL_BUS_CLK),
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FREQ_INFO( 900, 972, INTEL_BUS_CLK),
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FREQ_INFO( 800, 956, INTEL_BUS_CLK),
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FREQ_INFO( 600, 844, INTEL_BUS_CLK),
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FREQ_INFO( 0, 0, 1),
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};
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static freq_info PM10_ULV_130[] = {
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/* 130 nm 1.00GHz Ultra Low Voltage Pentium M */
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FREQ_INFO(1000, 1004, INTEL_BUS_CLK),
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FREQ_INFO( 900, 988, INTEL_BUS_CLK),
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FREQ_INFO( 800, 972, INTEL_BUS_CLK),
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FREQ_INFO( 600, 844, INTEL_BUS_CLK),
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FREQ_INFO( 0, 0, 1),
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};
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/*
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* Data from "Intel Pentium M Processor on 90nm Process with
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* 2-MB L2 Cache Datasheet", Order Number 302189-008, Table 5.
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*/
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static freq_info PM_765A_90[] = {
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/* 90 nm 2.10GHz Pentium M, VID #A */
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FREQ_INFO(2100, 1340, INTEL_BUS_CLK),
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FREQ_INFO(1800, 1276, INTEL_BUS_CLK),
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FREQ_INFO(1600, 1228, INTEL_BUS_CLK),
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FREQ_INFO(1400, 1180, INTEL_BUS_CLK),
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FREQ_INFO(1200, 1132, INTEL_BUS_CLK),
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FREQ_INFO(1000, 1084, INTEL_BUS_CLK),
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FREQ_INFO( 800, 1036, INTEL_BUS_CLK),
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FREQ_INFO( 600, 988, INTEL_BUS_CLK),
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FREQ_INFO( 0, 0, 1),
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};
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static freq_info PM_765B_90[] = {
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/* 90 nm 2.10GHz Pentium M, VID #B */
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FREQ_INFO(2100, 1324, INTEL_BUS_CLK),
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FREQ_INFO(1800, 1260, INTEL_BUS_CLK),
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FREQ_INFO(1600, 1212, INTEL_BUS_CLK),
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FREQ_INFO(1400, 1180, INTEL_BUS_CLK),
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FREQ_INFO(1200, 1132, INTEL_BUS_CLK),
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FREQ_INFO(1000, 1084, INTEL_BUS_CLK),
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FREQ_INFO( 800, 1036, INTEL_BUS_CLK),
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FREQ_INFO( 600, 988, INTEL_BUS_CLK),
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FREQ_INFO( 0, 0, 1),
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};
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static freq_info PM_765C_90[] = {
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/* 90 nm 2.10GHz Pentium M, VID #C */
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FREQ_INFO(2100, 1308, INTEL_BUS_CLK),
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FREQ_INFO(1800, 1244, INTEL_BUS_CLK),
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FREQ_INFO(1600, 1212, INTEL_BUS_CLK),
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FREQ_INFO(1400, 1164, INTEL_BUS_CLK),
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FREQ_INFO(1200, 1116, INTEL_BUS_CLK),
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FREQ_INFO(1000, 1084, INTEL_BUS_CLK),
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FREQ_INFO( 800, 1036, INTEL_BUS_CLK),
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FREQ_INFO( 600, 988, INTEL_BUS_CLK),
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FREQ_INFO( 0, 0, 1),
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};
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static freq_info PM_765E_90[] = {
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/* 90 nm 2.10GHz Pentium M, VID #E */
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FREQ_INFO(2100, 1356, INTEL_BUS_CLK),
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FREQ_INFO(1800, 1292, INTEL_BUS_CLK),
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FREQ_INFO(1600, 1244, INTEL_BUS_CLK),
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FREQ_INFO(1400, 1196, INTEL_BUS_CLK),
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FREQ_INFO(1200, 1148, INTEL_BUS_CLK),
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FREQ_INFO(1000, 1100, INTEL_BUS_CLK),
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FREQ_INFO( 800, 1052, INTEL_BUS_CLK),
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FREQ_INFO( 600, 988, INTEL_BUS_CLK),
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FREQ_INFO( 0, 0, 1),
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};
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static freq_info PM_755A_90[] = {
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/* 90 nm 2.00GHz Pentium M, VID #A */
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FREQ_INFO(2000, 1340, INTEL_BUS_CLK),
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FREQ_INFO(1800, 1292, INTEL_BUS_CLK),
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FREQ_INFO(1600, 1244, INTEL_BUS_CLK),
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FREQ_INFO(1400, 1196, INTEL_BUS_CLK),
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FREQ_INFO(1200, 1148, INTEL_BUS_CLK),
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FREQ_INFO(1000, 1100, INTEL_BUS_CLK),
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FREQ_INFO( 800, 1052, INTEL_BUS_CLK),
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FREQ_INFO( 600, 988, INTEL_BUS_CLK),
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FREQ_INFO( 0, 0, 1),
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};
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static freq_info PM_755B_90[] = {
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/* 90 nm 2.00GHz Pentium M, VID #B */
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FREQ_INFO(2000, 1324, INTEL_BUS_CLK),
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FREQ_INFO(1800, 1276, INTEL_BUS_CLK),
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FREQ_INFO(1600, 1228, INTEL_BUS_CLK),
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FREQ_INFO(1400, 1180, INTEL_BUS_CLK),
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FREQ_INFO(1200, 1132, INTEL_BUS_CLK),
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FREQ_INFO(1000, 1084, INTEL_BUS_CLK),
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FREQ_INFO( 800, 1036, INTEL_BUS_CLK),
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FREQ_INFO( 600, 988, INTEL_BUS_CLK),
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FREQ_INFO( 0, 0, 1),
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};
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static freq_info PM_755C_90[] = {
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/* 90 nm 2.00GHz Pentium M, VID #C */
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FREQ_INFO(2000, 1308, INTEL_BUS_CLK),
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FREQ_INFO(1800, 1276, INTEL_BUS_CLK),
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FREQ_INFO(1600, 1228, INTEL_BUS_CLK),
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FREQ_INFO(1400, 1180, INTEL_BUS_CLK),
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FREQ_INFO(1200, 1132, INTEL_BUS_CLK),
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FREQ_INFO(1000, 1084, INTEL_BUS_CLK),
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FREQ_INFO( 800, 1036, INTEL_BUS_CLK),
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FREQ_INFO( 600, 988, INTEL_BUS_CLK),
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FREQ_INFO( 0, 0, 1),
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};
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static freq_info PM_755D_90[] = {
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/* 90 nm 2.00GHz Pentium M, VID #D */
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FREQ_INFO(2000, 1276, INTEL_BUS_CLK),
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FREQ_INFO(1800, 1244, INTEL_BUS_CLK),
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FREQ_INFO(1600, 1196, INTEL_BUS_CLK),
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FREQ_INFO(1400, 1164, INTEL_BUS_CLK),
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FREQ_INFO(1200, 1116, INTEL_BUS_CLK),
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FREQ_INFO(1000, 1084, INTEL_BUS_CLK),
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FREQ_INFO( 800, 1036, INTEL_BUS_CLK),
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FREQ_INFO( 600, 988, INTEL_BUS_CLK),
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FREQ_INFO( 0, 0, 1),
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};
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static freq_info PM_745A_90[] = {
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/* 90 nm 1.80GHz Pentium M, VID #A */
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FREQ_INFO(1800, 1340, INTEL_BUS_CLK),
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FREQ_INFO(1600, 1292, INTEL_BUS_CLK),
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FREQ_INFO(1400, 1228, INTEL_BUS_CLK),
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FREQ_INFO(1200, 1164, INTEL_BUS_CLK),
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FREQ_INFO(1000, 1116, INTEL_BUS_CLK),
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FREQ_INFO( 800, 1052, INTEL_BUS_CLK),
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FREQ_INFO( 600, 988, INTEL_BUS_CLK),
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FREQ_INFO( 0, 0, 1),
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};
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static freq_info PM_745B_90[] = {
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/* 90 nm 1.80GHz Pentium M, VID #B */
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FREQ_INFO(1800, 1324, INTEL_BUS_CLK),
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FREQ_INFO(1600, 1276, INTEL_BUS_CLK),
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FREQ_INFO(1400, 1212, INTEL_BUS_CLK),
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FREQ_INFO(1200, 1164, INTEL_BUS_CLK),
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FREQ_INFO(1000, 1116, INTEL_BUS_CLK),
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FREQ_INFO( 800, 1052, INTEL_BUS_CLK),
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FREQ_INFO( 600, 988, INTEL_BUS_CLK),
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FREQ_INFO( 0, 0, 1),
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};
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static freq_info PM_745C_90[] = {
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/* 90 nm 1.80GHz Pentium M, VID #C */
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FREQ_INFO(1800, 1308, INTEL_BUS_CLK),
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FREQ_INFO(1600, 1260, INTEL_BUS_CLK),
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FREQ_INFO(1400, 1212, INTEL_BUS_CLK),
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FREQ_INFO(1200, 1148, INTEL_BUS_CLK),
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FREQ_INFO(1000, 1100, INTEL_BUS_CLK),
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FREQ_INFO( 800, 1052, INTEL_BUS_CLK),
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FREQ_INFO( 600, 988, INTEL_BUS_CLK),
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FREQ_INFO( 0, 0, 1),
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};
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static freq_info PM_745D_90[] = {
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/* 90 nm 1.80GHz Pentium M, VID #D */
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FREQ_INFO(1800, 1276, INTEL_BUS_CLK),
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FREQ_INFO(1600, 1228, INTEL_BUS_CLK),
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FREQ_INFO(1400, 1180, INTEL_BUS_CLK),
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FREQ_INFO(1200, 1132, INTEL_BUS_CLK),
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FREQ_INFO(1000, 1084, INTEL_BUS_CLK),
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FREQ_INFO( 800, 1036, INTEL_BUS_CLK),
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FREQ_INFO( 600, 988, INTEL_BUS_CLK),
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FREQ_INFO( 0, 0, 1),
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};
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static freq_info PM_735A_90[] = {
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/* 90 nm 1.70GHz Pentium M, VID #A */
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FREQ_INFO(1700, 1340, INTEL_BUS_CLK),
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FREQ_INFO(1400, 1244, INTEL_BUS_CLK),
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FREQ_INFO(1200, 1180, INTEL_BUS_CLK),
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FREQ_INFO(1000, 1116, INTEL_BUS_CLK),
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FREQ_INFO( 800, 1052, INTEL_BUS_CLK),
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FREQ_INFO( 600, 988, INTEL_BUS_CLK),
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FREQ_INFO( 0, 0, 1),
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};
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static freq_info PM_735B_90[] = {
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/* 90 nm 1.70GHz Pentium M, VID #B */
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FREQ_INFO(1700, 1324, INTEL_BUS_CLK),
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FREQ_INFO(1400, 1244, INTEL_BUS_CLK),
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FREQ_INFO(1200, 1180, INTEL_BUS_CLK),
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FREQ_INFO(1000, 1116, INTEL_BUS_CLK),
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FREQ_INFO( 800, 1052, INTEL_BUS_CLK),
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FREQ_INFO( 600, 988, INTEL_BUS_CLK),
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FREQ_INFO( 0, 0, 1),
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};
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static freq_info PM_735C_90[] = {
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/* 90 nm 1.70GHz Pentium M, VID #C */
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FREQ_INFO(1700, 1308, INTEL_BUS_CLK),
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FREQ_INFO(1400, 1228, INTEL_BUS_CLK),
|
|
FREQ_INFO(1200, 1164, INTEL_BUS_CLK),
|
|
FREQ_INFO(1000, 1116, INTEL_BUS_CLK),
|
|
FREQ_INFO( 800, 1052, INTEL_BUS_CLK),
|
|
FREQ_INFO( 600, 988, INTEL_BUS_CLK),
|
|
FREQ_INFO( 0, 0, 1),
|
|
};
|
|
static freq_info PM_735D_90[] = {
|
|
/* 90 nm 1.70GHz Pentium M, VID #D */
|
|
FREQ_INFO(1700, 1276, INTEL_BUS_CLK),
|
|
FREQ_INFO(1400, 1212, INTEL_BUS_CLK),
|
|
FREQ_INFO(1200, 1148, INTEL_BUS_CLK),
|
|
FREQ_INFO(1000, 1100, INTEL_BUS_CLK),
|
|
FREQ_INFO( 800, 1052, INTEL_BUS_CLK),
|
|
FREQ_INFO( 600, 988, INTEL_BUS_CLK),
|
|
FREQ_INFO( 0, 0, 1),
|
|
};
|
|
static freq_info PM_725A_90[] = {
|
|
/* 90 nm 1.60GHz Pentium M, VID #A */
|
|
FREQ_INFO(1600, 1340, INTEL_BUS_CLK),
|
|
FREQ_INFO(1400, 1276, INTEL_BUS_CLK),
|
|
FREQ_INFO(1200, 1212, INTEL_BUS_CLK),
|
|
FREQ_INFO(1000, 1132, INTEL_BUS_CLK),
|
|
FREQ_INFO( 800, 1068, INTEL_BUS_CLK),
|
|
FREQ_INFO( 600, 988, INTEL_BUS_CLK),
|
|
FREQ_INFO( 0, 0, 1),
|
|
};
|
|
static freq_info PM_725B_90[] = {
|
|
/* 90 nm 1.60GHz Pentium M, VID #B */
|
|
FREQ_INFO(1600, 1324, INTEL_BUS_CLK),
|
|
FREQ_INFO(1400, 1260, INTEL_BUS_CLK),
|
|
FREQ_INFO(1200, 1196, INTEL_BUS_CLK),
|
|
FREQ_INFO(1000, 1132, INTEL_BUS_CLK),
|
|
FREQ_INFO( 800, 1068, INTEL_BUS_CLK),
|
|
FREQ_INFO( 600, 988, INTEL_BUS_CLK),
|
|
FREQ_INFO( 0, 0, 1),
|
|
};
|
|
static freq_info PM_725C_90[] = {
|
|
/* 90 nm 1.60GHz Pentium M, VID #C */
|
|
FREQ_INFO(1600, 1308, INTEL_BUS_CLK),
|
|
FREQ_INFO(1400, 1244, INTEL_BUS_CLK),
|
|
FREQ_INFO(1200, 1180, INTEL_BUS_CLK),
|
|
FREQ_INFO(1000, 1116, INTEL_BUS_CLK),
|
|
FREQ_INFO( 800, 1052, INTEL_BUS_CLK),
|
|
FREQ_INFO( 600, 988, INTEL_BUS_CLK),
|
|
FREQ_INFO( 0, 0, 1),
|
|
};
|
|
static freq_info PM_725D_90[] = {
|
|
/* 90 nm 1.60GHz Pentium M, VID #D */
|
|
FREQ_INFO(1600, 1276, INTEL_BUS_CLK),
|
|
FREQ_INFO(1400, 1228, INTEL_BUS_CLK),
|
|
FREQ_INFO(1200, 1164, INTEL_BUS_CLK),
|
|
FREQ_INFO(1000, 1116, INTEL_BUS_CLK),
|
|
FREQ_INFO( 800, 1052, INTEL_BUS_CLK),
|
|
FREQ_INFO( 600, 988, INTEL_BUS_CLK),
|
|
FREQ_INFO( 0, 0, 1),
|
|
};
|
|
static freq_info PM_715A_90[] = {
|
|
/* 90 nm 1.50GHz Pentium M, VID #A */
|
|
FREQ_INFO(1500, 1340, INTEL_BUS_CLK),
|
|
FREQ_INFO(1200, 1228, INTEL_BUS_CLK),
|
|
FREQ_INFO(1000, 1148, INTEL_BUS_CLK),
|
|
FREQ_INFO( 800, 1068, INTEL_BUS_CLK),
|
|
FREQ_INFO( 600, 988, INTEL_BUS_CLK),
|
|
FREQ_INFO( 0, 0, 1),
|
|
};
|
|
static freq_info PM_715B_90[] = {
|
|
/* 90 nm 1.50GHz Pentium M, VID #B */
|
|
FREQ_INFO(1500, 1324, INTEL_BUS_CLK),
|
|
FREQ_INFO(1200, 1212, INTEL_BUS_CLK),
|
|
FREQ_INFO(1000, 1148, INTEL_BUS_CLK),
|
|
FREQ_INFO( 800, 1068, INTEL_BUS_CLK),
|
|
FREQ_INFO( 600, 988, INTEL_BUS_CLK),
|
|
FREQ_INFO( 0, 0, 1),
|
|
};
|
|
static freq_info PM_715C_90[] = {
|
|
/* 90 nm 1.50GHz Pentium M, VID #C */
|
|
FREQ_INFO(1500, 1308, INTEL_BUS_CLK),
|
|
FREQ_INFO(1200, 1212, INTEL_BUS_CLK),
|
|
FREQ_INFO(1000, 1132, INTEL_BUS_CLK),
|
|
FREQ_INFO( 800, 1068, INTEL_BUS_CLK),
|
|
FREQ_INFO( 600, 988, INTEL_BUS_CLK),
|
|
FREQ_INFO( 0, 0, 1),
|
|
};
|
|
static freq_info PM_715D_90[] = {
|
|
/* 90 nm 1.50GHz Pentium M, VID #D */
|
|
FREQ_INFO(1500, 1276, INTEL_BUS_CLK),
|
|
FREQ_INFO(1200, 1180, INTEL_BUS_CLK),
|
|
FREQ_INFO(1000, 1116, INTEL_BUS_CLK),
|
|
FREQ_INFO( 800, 1052, INTEL_BUS_CLK),
|
|
FREQ_INFO( 600, 988, INTEL_BUS_CLK),
|
|
FREQ_INFO( 0, 0, 1),
|
|
};
|
|
static freq_info PM_778_90[] = {
|
|
/* 90 nm 1.60GHz Low Voltage Pentium M */
|
|
FREQ_INFO(1600, 1116, INTEL_BUS_CLK),
|
|
FREQ_INFO(1500, 1116, INTEL_BUS_CLK),
|
|
FREQ_INFO(1400, 1100, INTEL_BUS_CLK),
|
|
FREQ_INFO(1300, 1084, INTEL_BUS_CLK),
|
|
FREQ_INFO(1200, 1068, INTEL_BUS_CLK),
|
|
FREQ_INFO(1100, 1052, INTEL_BUS_CLK),
|
|
FREQ_INFO(1000, 1052, INTEL_BUS_CLK),
|
|
FREQ_INFO( 900, 1036, INTEL_BUS_CLK),
|
|
FREQ_INFO( 800, 1020, INTEL_BUS_CLK),
|
|
FREQ_INFO( 600, 988, INTEL_BUS_CLK),
|
|
FREQ_INFO( 0, 0, 1),
|
|
};
|
|
static freq_info PM_758_90[] = {
|
|
/* 90 nm 1.50GHz Low Voltage Pentium M */
|
|
FREQ_INFO(1500, 1116, INTEL_BUS_CLK),
|
|
FREQ_INFO(1400, 1116, INTEL_BUS_CLK),
|
|
FREQ_INFO(1300, 1100, INTEL_BUS_CLK),
|
|
FREQ_INFO(1200, 1084, INTEL_BUS_CLK),
|
|
FREQ_INFO(1100, 1068, INTEL_BUS_CLK),
|
|
FREQ_INFO(1000, 1052, INTEL_BUS_CLK),
|
|
FREQ_INFO( 900, 1036, INTEL_BUS_CLK),
|
|
FREQ_INFO( 800, 1020, INTEL_BUS_CLK),
|
|
FREQ_INFO( 600, 988, INTEL_BUS_CLK),
|
|
FREQ_INFO( 0, 0, 1),
|
|
};
|
|
static freq_info PM_738_90[] = {
|
|
/* 90 nm 1.40GHz Low Voltage Pentium M */
|
|
FREQ_INFO(1400, 1116, INTEL_BUS_CLK),
|
|
FREQ_INFO(1300, 1116, INTEL_BUS_CLK),
|
|
FREQ_INFO(1200, 1100, INTEL_BUS_CLK),
|
|
FREQ_INFO(1100, 1068, INTEL_BUS_CLK),
|
|
FREQ_INFO(1000, 1052, INTEL_BUS_CLK),
|
|
FREQ_INFO( 900, 1036, INTEL_BUS_CLK),
|
|
FREQ_INFO( 800, 1020, INTEL_BUS_CLK),
|
|
FREQ_INFO( 600, 988, INTEL_BUS_CLK),
|
|
FREQ_INFO( 0, 0, 1),
|
|
};
|
|
static freq_info PM_773G_90[] = {
|
|
/* 90 nm 1.30GHz Ultra Low Voltage Pentium M, VID #G */
|
|
FREQ_INFO(1300, 956, INTEL_BUS_CLK),
|
|
FREQ_INFO(1200, 940, INTEL_BUS_CLK),
|
|
FREQ_INFO(1100, 924, INTEL_BUS_CLK),
|
|
FREQ_INFO(1000, 908, INTEL_BUS_CLK),
|
|
FREQ_INFO( 900, 876, INTEL_BUS_CLK),
|
|
FREQ_INFO( 800, 860, INTEL_BUS_CLK),
|
|
FREQ_INFO( 600, 812, INTEL_BUS_CLK),
|
|
};
|
|
static freq_info PM_773H_90[] = {
|
|
/* 90 nm 1.30GHz Ultra Low Voltage Pentium M, VID #H */
|
|
FREQ_INFO(1300, 940, INTEL_BUS_CLK),
|
|
FREQ_INFO(1200, 924, INTEL_BUS_CLK),
|
|
FREQ_INFO(1100, 908, INTEL_BUS_CLK),
|
|
FREQ_INFO(1000, 892, INTEL_BUS_CLK),
|
|
FREQ_INFO( 900, 876, INTEL_BUS_CLK),
|
|
FREQ_INFO( 800, 860, INTEL_BUS_CLK),
|
|
FREQ_INFO( 600, 812, INTEL_BUS_CLK),
|
|
};
|
|
static freq_info PM_773I_90[] = {
|
|
/* 90 nm 1.30GHz Ultra Low Voltage Pentium M, VID #I */
|
|
FREQ_INFO(1300, 924, INTEL_BUS_CLK),
|
|
FREQ_INFO(1200, 908, INTEL_BUS_CLK),
|
|
FREQ_INFO(1100, 892, INTEL_BUS_CLK),
|
|
FREQ_INFO(1000, 876, INTEL_BUS_CLK),
|
|
FREQ_INFO( 900, 860, INTEL_BUS_CLK),
|
|
FREQ_INFO( 800, 844, INTEL_BUS_CLK),
|
|
FREQ_INFO( 600, 812, INTEL_BUS_CLK),
|
|
};
|
|
static freq_info PM_773J_90[] = {
|
|
/* 90 nm 1.30GHz Ultra Low Voltage Pentium M, VID #J */
|
|
FREQ_INFO(1300, 908, INTEL_BUS_CLK),
|
|
FREQ_INFO(1200, 908, INTEL_BUS_CLK),
|
|
FREQ_INFO(1100, 892, INTEL_BUS_CLK),
|
|
FREQ_INFO(1000, 876, INTEL_BUS_CLK),
|
|
FREQ_INFO( 900, 860, INTEL_BUS_CLK),
|
|
FREQ_INFO( 800, 844, INTEL_BUS_CLK),
|
|
FREQ_INFO( 600, 812, INTEL_BUS_CLK),
|
|
};
|
|
static freq_info PM_773K_90[] = {
|
|
/* 90 nm 1.30GHz Ultra Low Voltage Pentium M, VID #K */
|
|
FREQ_INFO(1300, 892, INTEL_BUS_CLK),
|
|
FREQ_INFO(1200, 892, INTEL_BUS_CLK),
|
|
FREQ_INFO(1100, 876, INTEL_BUS_CLK),
|
|
FREQ_INFO(1000, 860, INTEL_BUS_CLK),
|
|
FREQ_INFO( 900, 860, INTEL_BUS_CLK),
|
|
FREQ_INFO( 800, 844, INTEL_BUS_CLK),
|
|
FREQ_INFO( 600, 812, INTEL_BUS_CLK),
|
|
};
|
|
static freq_info PM_773L_90[] = {
|
|
/* 90 nm 1.30GHz Ultra Low Voltage Pentium M, VID #L */
|
|
FREQ_INFO(1300, 876, INTEL_BUS_CLK),
|
|
FREQ_INFO(1200, 876, INTEL_BUS_CLK),
|
|
FREQ_INFO(1100, 860, INTEL_BUS_CLK),
|
|
FREQ_INFO(1000, 860, INTEL_BUS_CLK),
|
|
FREQ_INFO( 900, 844, INTEL_BUS_CLK),
|
|
FREQ_INFO( 800, 844, INTEL_BUS_CLK),
|
|
FREQ_INFO( 600, 812, INTEL_BUS_CLK),
|
|
};
|
|
static freq_info PM_753G_90[] = {
|
|
/* 90 nm 1.20GHz Ultra Low Voltage Pentium M, VID #G */
|
|
FREQ_INFO(1200, 956, INTEL_BUS_CLK),
|
|
FREQ_INFO(1100, 940, INTEL_BUS_CLK),
|
|
FREQ_INFO(1000, 908, INTEL_BUS_CLK),
|
|
FREQ_INFO( 900, 892, INTEL_BUS_CLK),
|
|
FREQ_INFO( 800, 860, INTEL_BUS_CLK),
|
|
FREQ_INFO( 600, 812, INTEL_BUS_CLK),
|
|
};
|
|
static freq_info PM_753H_90[] = {
|
|
/* 90 nm 1.20GHz Ultra Low Voltage Pentium M, VID #H */
|
|
FREQ_INFO(1200, 940, INTEL_BUS_CLK),
|
|
FREQ_INFO(1100, 924, INTEL_BUS_CLK),
|
|
FREQ_INFO(1000, 908, INTEL_BUS_CLK),
|
|
FREQ_INFO( 900, 876, INTEL_BUS_CLK),
|
|
FREQ_INFO( 800, 860, INTEL_BUS_CLK),
|
|
FREQ_INFO( 600, 812, INTEL_BUS_CLK),
|
|
};
|
|
static freq_info PM_753I_90[] = {
|
|
/* 90 nm 1.20GHz Ultra Low Voltage Pentium M, VID #I */
|
|
FREQ_INFO(1200, 924, INTEL_BUS_CLK),
|
|
FREQ_INFO(1100, 908, INTEL_BUS_CLK),
|
|
FREQ_INFO(1000, 892, INTEL_BUS_CLK),
|
|
FREQ_INFO( 900, 876, INTEL_BUS_CLK),
|
|
FREQ_INFO( 800, 860, INTEL_BUS_CLK),
|
|
FREQ_INFO( 600, 812, INTEL_BUS_CLK),
|
|
};
|
|
static freq_info PM_753J_90[] = {
|
|
/* 90 nm 1.20GHz Ultra Low Voltage Pentium M, VID #J */
|
|
FREQ_INFO(1200, 908, INTEL_BUS_CLK),
|
|
FREQ_INFO(1100, 892, INTEL_BUS_CLK),
|
|
FREQ_INFO(1000, 876, INTEL_BUS_CLK),
|
|
FREQ_INFO( 900, 860, INTEL_BUS_CLK),
|
|
FREQ_INFO( 800, 844, INTEL_BUS_CLK),
|
|
FREQ_INFO( 600, 812, INTEL_BUS_CLK),
|
|
};
|
|
static freq_info PM_753K_90[] = {
|
|
/* 90 nm 1.20GHz Ultra Low Voltage Pentium M, VID #K */
|
|
FREQ_INFO(1200, 892, INTEL_BUS_CLK),
|
|
FREQ_INFO(1100, 892, INTEL_BUS_CLK),
|
|
FREQ_INFO(1000, 876, INTEL_BUS_CLK),
|
|
FREQ_INFO( 900, 860, INTEL_BUS_CLK),
|
|
FREQ_INFO( 800, 844, INTEL_BUS_CLK),
|
|
FREQ_INFO( 600, 812, INTEL_BUS_CLK),
|
|
};
|
|
static freq_info PM_753L_90[] = {
|
|
/* 90 nm 1.20GHz Ultra Low Voltage Pentium M, VID #L */
|
|
FREQ_INFO(1200, 876, INTEL_BUS_CLK),
|
|
FREQ_INFO(1100, 876, INTEL_BUS_CLK),
|
|
FREQ_INFO(1000, 860, INTEL_BUS_CLK),
|
|
FREQ_INFO( 900, 844, INTEL_BUS_CLK),
|
|
FREQ_INFO( 800, 844, INTEL_BUS_CLK),
|
|
FREQ_INFO( 600, 812, INTEL_BUS_CLK),
|
|
};
|
|
|
|
static freq_info PM_733JG_90[] = {
|
|
/* 90 nm 1.10GHz Ultra Low Voltage Pentium M, VID #G */
|
|
FREQ_INFO(1100, 956, INTEL_BUS_CLK),
|
|
FREQ_INFO(1000, 940, INTEL_BUS_CLK),
|
|
FREQ_INFO( 900, 908, INTEL_BUS_CLK),
|
|
FREQ_INFO( 800, 876, INTEL_BUS_CLK),
|
|
FREQ_INFO( 600, 812, INTEL_BUS_CLK),
|
|
};
|
|
static freq_info PM_733JH_90[] = {
|
|
/* 90 nm 1.10GHz Ultra Low Voltage Pentium M, VID #H */
|
|
FREQ_INFO(1100, 940, INTEL_BUS_CLK),
|
|
FREQ_INFO(1000, 924, INTEL_BUS_CLK),
|
|
FREQ_INFO( 900, 892, INTEL_BUS_CLK),
|
|
FREQ_INFO( 800, 876, INTEL_BUS_CLK),
|
|
FREQ_INFO( 600, 812, INTEL_BUS_CLK),
|
|
};
|
|
static freq_info PM_733JI_90[] = {
|
|
/* 90 nm 1.10GHz Ultra Low Voltage Pentium M, VID #I */
|
|
FREQ_INFO(1100, 924, INTEL_BUS_CLK),
|
|
FREQ_INFO(1000, 908, INTEL_BUS_CLK),
|
|
FREQ_INFO( 900, 892, INTEL_BUS_CLK),
|
|
FREQ_INFO( 800, 860, INTEL_BUS_CLK),
|
|
FREQ_INFO( 600, 812, INTEL_BUS_CLK),
|
|
};
|
|
static freq_info PM_733JJ_90[] = {
|
|
/* 90 nm 1.10GHz Ultra Low Voltage Pentium M, VID #J */
|
|
FREQ_INFO(1100, 908, INTEL_BUS_CLK),
|
|
FREQ_INFO(1000, 892, INTEL_BUS_CLK),
|
|
FREQ_INFO( 900, 876, INTEL_BUS_CLK),
|
|
FREQ_INFO( 800, 860, INTEL_BUS_CLK),
|
|
FREQ_INFO( 600, 812, INTEL_BUS_CLK),
|
|
};
|
|
static freq_info PM_733JK_90[] = {
|
|
/* 90 nm 1.10GHz Ultra Low Voltage Pentium M, VID #K */
|
|
FREQ_INFO(1100, 892, INTEL_BUS_CLK),
|
|
FREQ_INFO(1000, 876, INTEL_BUS_CLK),
|
|
FREQ_INFO( 900, 860, INTEL_BUS_CLK),
|
|
FREQ_INFO( 800, 844, INTEL_BUS_CLK),
|
|
FREQ_INFO( 600, 812, INTEL_BUS_CLK),
|
|
};
|
|
static freq_info PM_733JL_90[] = {
|
|
/* 90 nm 1.10GHz Ultra Low Voltage Pentium M, VID #L */
|
|
FREQ_INFO(1100, 876, INTEL_BUS_CLK),
|
|
FREQ_INFO(1000, 876, INTEL_BUS_CLK),
|
|
FREQ_INFO( 900, 860, INTEL_BUS_CLK),
|
|
FREQ_INFO( 800, 844, INTEL_BUS_CLK),
|
|
FREQ_INFO( 600, 812, INTEL_BUS_CLK),
|
|
};
|
|
static freq_info PM_733_90[] = {
|
|
/* 90 nm 1.10GHz Ultra Low Voltage Pentium M */
|
|
FREQ_INFO(1100, 940, INTEL_BUS_CLK),
|
|
FREQ_INFO(1000, 924, INTEL_BUS_CLK),
|
|
FREQ_INFO( 900, 892, INTEL_BUS_CLK),
|
|
FREQ_INFO( 800, 876, INTEL_BUS_CLK),
|
|
FREQ_INFO( 600, 812, INTEL_BUS_CLK),
|
|
FREQ_INFO( 0, 0, 1),
|
|
};
|
|
static freq_info PM_723_90[] = {
|
|
/* 90 nm 1.00GHz Ultra Low Voltage Pentium M */
|
|
FREQ_INFO(1000, 940, INTEL_BUS_CLK),
|
|
FREQ_INFO( 900, 908, INTEL_BUS_CLK),
|
|
FREQ_INFO( 800, 876, INTEL_BUS_CLK),
|
|
FREQ_INFO( 600, 812, INTEL_BUS_CLK),
|
|
FREQ_INFO( 0, 0, 1),
|
|
};
|
|
|
|
/*
|
|
* VIA C7-M 500 MHz FSB, 400 MHz FSB, and ULV variants.
|
|
* Data from the "VIA C7-M Processor BIOS Writer's Guide (v2.17)" datasheet.
|
|
*/
|
|
static freq_info C7M_795[] = {
|
|
/* 2.00GHz Centaur C7-M 533 Mhz FSB */
|
|
FREQ_INFO_PWR(2000, 1148, 133, 20000),
|
|
FREQ_INFO_PWR(1867, 1132, 133, 18000),
|
|
FREQ_INFO_PWR(1600, 1100, 133, 15000),
|
|
FREQ_INFO_PWR(1467, 1052, 133, 13000),
|
|
FREQ_INFO_PWR(1200, 1004, 133, 10000),
|
|
FREQ_INFO_PWR( 800, 844, 133, 7000),
|
|
FREQ_INFO_PWR( 667, 844, 133, 6000),
|
|
FREQ_INFO_PWR( 533, 844, 133, 5000),
|
|
FREQ_INFO(0, 0, 1),
|
|
};
|
|
static freq_info C7M_785[] = {
|
|
/* 1.80GHz Centaur C7-M 533 Mhz FSB */
|
|
FREQ_INFO_PWR(1867, 1148, 133, 18000),
|
|
FREQ_INFO_PWR(1600, 1100, 133, 15000),
|
|
FREQ_INFO_PWR(1467, 1052, 133, 13000),
|
|
FREQ_INFO_PWR(1200, 1004, 133, 10000),
|
|
FREQ_INFO_PWR( 800, 844, 133, 7000),
|
|
FREQ_INFO_PWR( 667, 844, 133, 6000),
|
|
FREQ_INFO_PWR( 533, 844, 133, 5000),
|
|
FREQ_INFO(0, 0, 1),
|
|
};
|
|
static freq_info C7M_765[] = {
|
|
/* 1.60GHz Centaur C7-M 533 Mhz FSB */
|
|
FREQ_INFO_PWR(1600, 1084, 133, 15000),
|
|
FREQ_INFO_PWR(1467, 1052, 133, 13000),
|
|
FREQ_INFO_PWR(1200, 1004, 133, 10000),
|
|
FREQ_INFO_PWR( 800, 844, 133, 7000),
|
|
FREQ_INFO_PWR( 667, 844, 133, 6000),
|
|
FREQ_INFO_PWR( 533, 844, 133, 5000),
|
|
FREQ_INFO(0, 0, 1),
|
|
};
|
|
|
|
static freq_info C7M_794[] = {
|
|
/* 2.00GHz Centaur C7-M 400 Mhz FSB */
|
|
FREQ_INFO_PWR(2000, 1148, 100, 20000),
|
|
FREQ_INFO_PWR(1800, 1132, 100, 18000),
|
|
FREQ_INFO_PWR(1600, 1100, 100, 15000),
|
|
FREQ_INFO_PWR(1400, 1052, 100, 13000),
|
|
FREQ_INFO_PWR(1000, 1004, 100, 10000),
|
|
FREQ_INFO_PWR( 800, 844, 100, 7000),
|
|
FREQ_INFO_PWR( 600, 844, 100, 6000),
|
|
FREQ_INFO_PWR( 400, 844, 100, 5000),
|
|
FREQ_INFO(0, 0, 1),
|
|
};
|
|
static freq_info C7M_784[] = {
|
|
/* 1.80GHz Centaur C7-M 400 Mhz FSB */
|
|
FREQ_INFO_PWR(1800, 1148, 100, 18000),
|
|
FREQ_INFO_PWR(1600, 1100, 100, 15000),
|
|
FREQ_INFO_PWR(1400, 1052, 100, 13000),
|
|
FREQ_INFO_PWR(1000, 1004, 100, 10000),
|
|
FREQ_INFO_PWR( 800, 844, 100, 7000),
|
|
FREQ_INFO_PWR( 600, 844, 100, 6000),
|
|
FREQ_INFO_PWR( 400, 844, 100, 5000),
|
|
FREQ_INFO(0, 0, 1),
|
|
};
|
|
static freq_info C7M_764[] = {
|
|
/* 1.60GHz Centaur C7-M 400 Mhz FSB */
|
|
FREQ_INFO_PWR(1600, 1084, 100, 15000),
|
|
FREQ_INFO_PWR(1400, 1052, 100, 13000),
|
|
FREQ_INFO_PWR(1000, 1004, 100, 10000),
|
|
FREQ_INFO_PWR( 800, 844, 100, 7000),
|
|
FREQ_INFO_PWR( 600, 844, 100, 6000),
|
|
FREQ_INFO_PWR( 400, 844, 100, 5000),
|
|
FREQ_INFO(0, 0, 1),
|
|
};
|
|
static freq_info C7M_754[] = {
|
|
/* 1.50GHz Centaur C7-M 400 Mhz FSB */
|
|
FREQ_INFO_PWR(1500, 1004, 100, 12000),
|
|
FREQ_INFO_PWR(1400, 988, 100, 11000),
|
|
FREQ_INFO_PWR(1000, 940, 100, 9000),
|
|
FREQ_INFO_PWR( 800, 844, 100, 7000),
|
|
FREQ_INFO_PWR( 600, 844, 100, 6000),
|
|
FREQ_INFO_PWR( 400, 844, 100, 5000),
|
|
FREQ_INFO(0, 0, 1),
|
|
};
|
|
static freq_info C7M_771[] = {
|
|
/* 1.20GHz Centaur C7-M 400 Mhz FSB */
|
|
FREQ_INFO_PWR(1200, 860, 100, 7000),
|
|
FREQ_INFO_PWR(1000, 860, 100, 6000),
|
|
FREQ_INFO_PWR( 800, 844, 100, 5500),
|
|
FREQ_INFO_PWR( 600, 844, 100, 5000),
|
|
FREQ_INFO_PWR( 400, 844, 100, 4000),
|
|
FREQ_INFO(0, 0, 1),
|
|
};
|
|
|
|
static freq_info C7M_775_ULV[] = {
|
|
/* 1.50GHz Centaur C7-M ULV */
|
|
FREQ_INFO_PWR(1500, 956, 100, 7500),
|
|
FREQ_INFO_PWR(1400, 940, 100, 6000),
|
|
FREQ_INFO_PWR(1000, 860, 100, 5000),
|
|
FREQ_INFO_PWR( 800, 828, 100, 2800),
|
|
FREQ_INFO_PWR( 600, 796, 100, 2500),
|
|
FREQ_INFO_PWR( 400, 796, 100, 2000),
|
|
FREQ_INFO(0, 0, 1),
|
|
};
|
|
static freq_info C7M_772_ULV[] = {
|
|
/* 1.20GHz Centaur C7-M ULV */
|
|
FREQ_INFO_PWR(1200, 844, 100, 5000),
|
|
FREQ_INFO_PWR(1000, 844, 100, 4000),
|
|
FREQ_INFO_PWR( 800, 828, 100, 2800),
|
|
FREQ_INFO_PWR( 600, 796, 100, 2500),
|
|
FREQ_INFO_PWR( 400, 796, 100, 2000),
|
|
FREQ_INFO(0, 0, 1),
|
|
};
|
|
static freq_info C7M_779_ULV[] = {
|
|
/* 1.00GHz Centaur C7-M ULV */
|
|
FREQ_INFO_PWR(1000, 796, 100, 3500),
|
|
FREQ_INFO_PWR( 800, 796, 100, 2800),
|
|
FREQ_INFO_PWR( 600, 796, 100, 2500),
|
|
FREQ_INFO_PWR( 400, 796, 100, 2000),
|
|
FREQ_INFO(0, 0, 1),
|
|
};
|
|
static freq_info C7M_770_ULV[] = {
|
|
/* 1.00GHz Centaur C7-M ULV */
|
|
FREQ_INFO_PWR(1000, 844, 100, 5000),
|
|
FREQ_INFO_PWR( 800, 796, 100, 2800),
|
|
FREQ_INFO_PWR( 600, 796, 100, 2500),
|
|
FREQ_INFO_PWR( 400, 796, 100, 2000),
|
|
FREQ_INFO(0, 0, 1),
|
|
};
|
|
|
|
static cpu_info ESTprocs[] = {
|
|
INTEL(PM17_130, 1700, 1484, 600, 956, INTEL_BUS_CLK),
|
|
INTEL(PM16_130, 1600, 1484, 600, 956, INTEL_BUS_CLK),
|
|
INTEL(PM15_130, 1500, 1484, 600, 956, INTEL_BUS_CLK),
|
|
INTEL(PM14_130, 1400, 1484, 600, 956, INTEL_BUS_CLK),
|
|
INTEL(PM13_130, 1300, 1388, 600, 956, INTEL_BUS_CLK),
|
|
INTEL(PM13_LV_130, 1300, 1180, 600, 956, INTEL_BUS_CLK),
|
|
INTEL(PM12_LV_130, 1200, 1180, 600, 956, INTEL_BUS_CLK),
|
|
INTEL(PM11_LV_130, 1100, 1180, 600, 956, INTEL_BUS_CLK),
|
|
INTEL(PM11_ULV_130, 1100, 1004, 600, 844, INTEL_BUS_CLK),
|
|
INTEL(PM10_ULV_130, 1000, 1004, 600, 844, INTEL_BUS_CLK),
|
|
INTEL(PM_765A_90, 2100, 1340, 600, 988, INTEL_BUS_CLK),
|
|
INTEL(PM_765B_90, 2100, 1324, 600, 988, INTEL_BUS_CLK),
|
|
INTEL(PM_765C_90, 2100, 1308, 600, 988, INTEL_BUS_CLK),
|
|
INTEL(PM_765E_90, 2100, 1356, 600, 988, INTEL_BUS_CLK),
|
|
INTEL(PM_755A_90, 2000, 1340, 600, 988, INTEL_BUS_CLK),
|
|
INTEL(PM_755B_90, 2000, 1324, 600, 988, INTEL_BUS_CLK),
|
|
INTEL(PM_755C_90, 2000, 1308, 600, 988, INTEL_BUS_CLK),
|
|
INTEL(PM_755D_90, 2000, 1276, 600, 988, INTEL_BUS_CLK),
|
|
INTEL(PM_745A_90, 1800, 1340, 600, 988, INTEL_BUS_CLK),
|
|
INTEL(PM_745B_90, 1800, 1324, 600, 988, INTEL_BUS_CLK),
|
|
INTEL(PM_745C_90, 1800, 1308, 600, 988, INTEL_BUS_CLK),
|
|
INTEL(PM_745D_90, 1800, 1276, 600, 988, INTEL_BUS_CLK),
|
|
INTEL(PM_735A_90, 1700, 1340, 600, 988, INTEL_BUS_CLK),
|
|
INTEL(PM_735B_90, 1700, 1324, 600, 988, INTEL_BUS_CLK),
|
|
INTEL(PM_735C_90, 1700, 1308, 600, 988, INTEL_BUS_CLK),
|
|
INTEL(PM_735D_90, 1700, 1276, 600, 988, INTEL_BUS_CLK),
|
|
INTEL(PM_725A_90, 1600, 1340, 600, 988, INTEL_BUS_CLK),
|
|
INTEL(PM_725B_90, 1600, 1324, 600, 988, INTEL_BUS_CLK),
|
|
INTEL(PM_725C_90, 1600, 1308, 600, 988, INTEL_BUS_CLK),
|
|
INTEL(PM_725D_90, 1600, 1276, 600, 988, INTEL_BUS_CLK),
|
|
INTEL(PM_715A_90, 1500, 1340, 600, 988, INTEL_BUS_CLK),
|
|
INTEL(PM_715B_90, 1500, 1324, 600, 988, INTEL_BUS_CLK),
|
|
INTEL(PM_715C_90, 1500, 1308, 600, 988, INTEL_BUS_CLK),
|
|
INTEL(PM_715D_90, 1500, 1276, 600, 988, INTEL_BUS_CLK),
|
|
INTEL(PM_778_90, 1600, 1116, 600, 988, INTEL_BUS_CLK),
|
|
INTEL(PM_758_90, 1500, 1116, 600, 988, INTEL_BUS_CLK),
|
|
INTEL(PM_738_90, 1400, 1116, 600, 988, INTEL_BUS_CLK),
|
|
INTEL(PM_773G_90, 1300, 956, 600, 812, INTEL_BUS_CLK),
|
|
INTEL(PM_773H_90, 1300, 940, 600, 812, INTEL_BUS_CLK),
|
|
INTEL(PM_773I_90, 1300, 924, 600, 812, INTEL_BUS_CLK),
|
|
INTEL(PM_773J_90, 1300, 908, 600, 812, INTEL_BUS_CLK),
|
|
INTEL(PM_773K_90, 1300, 892, 600, 812, INTEL_BUS_CLK),
|
|
INTEL(PM_773L_90, 1300, 876, 600, 812, INTEL_BUS_CLK),
|
|
INTEL(PM_753G_90, 1200, 956, 600, 812, INTEL_BUS_CLK),
|
|
INTEL(PM_753H_90, 1200, 940, 600, 812, INTEL_BUS_CLK),
|
|
INTEL(PM_753I_90, 1200, 924, 600, 812, INTEL_BUS_CLK),
|
|
INTEL(PM_753J_90, 1200, 908, 600, 812, INTEL_BUS_CLK),
|
|
INTEL(PM_753K_90, 1200, 892, 600, 812, INTEL_BUS_CLK),
|
|
INTEL(PM_753L_90, 1200, 876, 600, 812, INTEL_BUS_CLK),
|
|
INTEL(PM_733JG_90, 1100, 956, 600, 812, INTEL_BUS_CLK),
|
|
INTEL(PM_733JH_90, 1100, 940, 600, 812, INTEL_BUS_CLK),
|
|
INTEL(PM_733JI_90, 1100, 924, 600, 812, INTEL_BUS_CLK),
|
|
INTEL(PM_733JJ_90, 1100, 908, 600, 812, INTEL_BUS_CLK),
|
|
INTEL(PM_733JK_90, 1100, 892, 600, 812, INTEL_BUS_CLK),
|
|
INTEL(PM_733JL_90, 1100, 876, 600, 812, INTEL_BUS_CLK),
|
|
INTEL(PM_733_90, 1100, 940, 600, 812, INTEL_BUS_CLK),
|
|
INTEL(PM_723_90, 1000, 940, 600, 812, INTEL_BUS_CLK),
|
|
|
|
CENTAUR(C7M_795, 2000, 1148, 533, 844, 133),
|
|
CENTAUR(C7M_794, 2000, 1148, 400, 844, 100),
|
|
CENTAUR(C7M_785, 1867, 1148, 533, 844, 133),
|
|
CENTAUR(C7M_784, 1800, 1148, 400, 844, 100),
|
|
CENTAUR(C7M_765, 1600, 1084, 533, 844, 133),
|
|
CENTAUR(C7M_764, 1600, 1084, 400, 844, 100),
|
|
CENTAUR(C7M_754, 1500, 1004, 400, 844, 100),
|
|
CENTAUR(C7M_775_ULV, 1500, 956, 400, 796, 100),
|
|
CENTAUR(C7M_771, 1200, 860, 400, 844, 100),
|
|
CENTAUR(C7M_772_ULV, 1200, 844, 400, 796, 100),
|
|
CENTAUR(C7M_779_ULV, 1000, 796, 400, 796, 100),
|
|
CENTAUR(C7M_770_ULV, 1000, 844, 400, 796, 100),
|
|
{ 0, 0, NULL },
|
|
};
|
|
|
|
static void est_identify(driver_t *driver, device_t parent);
|
|
static int est_features(driver_t *driver, u_int *features);
|
|
static int est_probe(device_t parent);
|
|
static int est_attach(device_t parent);
|
|
static int est_detach(device_t parent);
|
|
static int est_get_info(device_t dev);
|
|
static int est_acpi_info(device_t dev, freq_info **freqs);
|
|
static int est_table_info(device_t dev, uint64_t msr, freq_info **freqs);
|
|
static int est_msr_info(device_t dev, uint64_t msr, freq_info **freqs);
|
|
static freq_info *est_get_current(freq_info *freq_list);
|
|
static int est_settings(device_t dev, struct cf_setting *sets, int *count);
|
|
static int est_set(device_t dev, const struct cf_setting *set);
|
|
static int est_get(device_t dev, struct cf_setting *set);
|
|
static int est_type(device_t dev, int *type);
|
|
static int est_set_id16(device_t dev, uint16_t id16, int need_check);
|
|
static void est_get_id16(uint16_t *id16_p);
|
|
|
|
static device_method_t est_methods[] = {
|
|
/* Device interface */
|
|
DEVMETHOD(device_identify, est_identify),
|
|
DEVMETHOD(device_probe, est_probe),
|
|
DEVMETHOD(device_attach, est_attach),
|
|
DEVMETHOD(device_detach, est_detach),
|
|
|
|
/* cpufreq interface */
|
|
DEVMETHOD(cpufreq_drv_set, est_set),
|
|
DEVMETHOD(cpufreq_drv_get, est_get),
|
|
DEVMETHOD(cpufreq_drv_type, est_type),
|
|
DEVMETHOD(cpufreq_drv_settings, est_settings),
|
|
|
|
/* ACPI interface */
|
|
DEVMETHOD(acpi_get_features, est_features),
|
|
|
|
{0, 0}
|
|
};
|
|
|
|
static driver_t est_driver = {
|
|
"est",
|
|
est_methods,
|
|
sizeof(struct est_softc),
|
|
};
|
|
|
|
static devclass_t est_devclass;
|
|
DRIVER_MODULE(est, cpu, est_driver, est_devclass, 0, 0);
|
|
|
|
static int
|
|
est_features(driver_t *driver, u_int *features)
|
|
{
|
|
|
|
/*
|
|
* Notify the ACPI CPU that we support direct access to MSRs.
|
|
* XXX C1 "I/O then Halt" seems necessary for some broken BIOS.
|
|
*/
|
|
*features = ACPI_CAP_PERF_MSRS | ACPI_CAP_C1_IO_HALT;
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
est_identify(driver_t *driver, device_t parent)
|
|
{
|
|
device_t child;
|
|
|
|
/* Make sure we're not being doubly invoked. */
|
|
if (device_find_child(parent, "est", -1) != NULL)
|
|
return;
|
|
|
|
/* Check that CPUID is supported and the vendor is Intel.*/
|
|
if (cpu_high == 0 || (cpu_vendor_id != CPU_VENDOR_INTEL &&
|
|
cpu_vendor_id != CPU_VENDOR_CENTAUR))
|
|
return;
|
|
|
|
/*
|
|
* Check if the CPU supports EST.
|
|
*/
|
|
if (!(cpu_feature2 & CPUID2_EST))
|
|
return;
|
|
|
|
/*
|
|
* We add a child for each CPU since settings must be performed
|
|
* on each CPU in the SMP case.
|
|
*/
|
|
child = BUS_ADD_CHILD(parent, 10, "est", -1);
|
|
if (child == NULL)
|
|
device_printf(parent, "add est child failed\n");
|
|
}
|
|
|
|
static int
|
|
est_probe(device_t dev)
|
|
{
|
|
device_t perf_dev;
|
|
uint64_t msr;
|
|
int error, type;
|
|
|
|
if (resource_disabled("est", 0))
|
|
return (ENXIO);
|
|
|
|
/*
|
|
* If the ACPI perf driver has attached and is not just offering
|
|
* info, let it manage things.
|
|
*/
|
|
perf_dev = device_find_child(device_get_parent(dev), "acpi_perf", -1);
|
|
if (perf_dev && device_is_attached(perf_dev)) {
|
|
error = CPUFREQ_DRV_TYPE(perf_dev, &type);
|
|
if (error == 0 && (type & CPUFREQ_FLAG_INFO_ONLY) == 0)
|
|
return (ENXIO);
|
|
}
|
|
|
|
/* Attempt to enable SpeedStep if not currently enabled. */
|
|
msr = rdmsr(MSR_MISC_ENABLE);
|
|
if ((msr & MSR_SS_ENABLE) == 0) {
|
|
wrmsr(MSR_MISC_ENABLE, msr | MSR_SS_ENABLE);
|
|
if (bootverbose)
|
|
device_printf(dev, "enabling SpeedStep\n");
|
|
|
|
/* Check if the enable failed. */
|
|
msr = rdmsr(MSR_MISC_ENABLE);
|
|
if ((msr & MSR_SS_ENABLE) == 0) {
|
|
device_printf(dev, "failed to enable SpeedStep\n");
|
|
return (ENXIO);
|
|
}
|
|
}
|
|
|
|
device_set_desc(dev, "Enhanced SpeedStep Frequency Control");
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
est_attach(device_t dev)
|
|
{
|
|
struct est_softc *sc;
|
|
|
|
sc = device_get_softc(dev);
|
|
sc->dev = dev;
|
|
|
|
/* On SMP system we can't guarantie independent freq setting. */
|
|
if (strict == -1 && mp_ncpus > 1)
|
|
strict = 0;
|
|
/* Check CPU for supported settings. */
|
|
if (est_get_info(dev))
|
|
return (ENXIO);
|
|
|
|
cpufreq_register(dev);
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
est_detach(device_t dev)
|
|
{
|
|
struct est_softc *sc;
|
|
int error;
|
|
|
|
error = cpufreq_unregister(dev);
|
|
if (error)
|
|
return (error);
|
|
|
|
sc = device_get_softc(dev);
|
|
if (sc->acpi_settings || sc->msr_settings)
|
|
free(sc->freq_list, M_DEVBUF);
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* Probe for supported CPU settings. First, check our static table of
|
|
* settings. If no match, try using the ones offered by acpi_perf
|
|
* (i.e., _PSS). We use ACPI second because some systems (IBM R/T40
|
|
* series) export both legacy SMM IO-based access and direct MSR access
|
|
* but the direct access specifies invalid values for _PSS.
|
|
*/
|
|
static int
|
|
est_get_info(device_t dev)
|
|
{
|
|
struct est_softc *sc;
|
|
uint64_t msr;
|
|
int error;
|
|
|
|
sc = device_get_softc(dev);
|
|
msr = rdmsr(MSR_PERF_STATUS);
|
|
error = est_table_info(dev, msr, &sc->freq_list);
|
|
if (error)
|
|
error = est_acpi_info(dev, &sc->freq_list);
|
|
if (error)
|
|
error = est_msr_info(dev, msr, &sc->freq_list);
|
|
|
|
if (error) {
|
|
printf(
|
|
"est: CPU supports Enhanced Speedstep, but is not recognized.\n"
|
|
"est: cpu_vendor %s, msr %0jx\n", cpu_vendor, msr);
|
|
return (ENXIO);
|
|
}
|
|
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
est_acpi_info(device_t dev, freq_info **freqs)
|
|
{
|
|
struct est_softc *sc;
|
|
struct cf_setting *sets;
|
|
freq_info *table;
|
|
device_t perf_dev;
|
|
int count, error, i, j;
|
|
uint16_t saved_id16;
|
|
|
|
perf_dev = device_find_child(device_get_parent(dev), "acpi_perf", -1);
|
|
if (perf_dev == NULL || !device_is_attached(perf_dev))
|
|
return (ENXIO);
|
|
|
|
/* Fetch settings from acpi_perf. */
|
|
sc = device_get_softc(dev);
|
|
table = NULL;
|
|
sets = malloc(MAX_SETTINGS * sizeof(*sets), M_TEMP, M_NOWAIT);
|
|
if (sets == NULL)
|
|
return (ENOMEM);
|
|
count = MAX_SETTINGS;
|
|
error = CPUFREQ_DRV_SETTINGS(perf_dev, sets, &count);
|
|
if (error)
|
|
goto out;
|
|
|
|
/* Parse settings into our local table format. */
|
|
table = malloc((count + 1) * sizeof(freq_info), M_DEVBUF, M_NOWAIT);
|
|
if (table == NULL) {
|
|
error = ENOMEM;
|
|
goto out;
|
|
}
|
|
est_get_id16(&saved_id16);
|
|
for (i = 0, j = 0; i < count; i++) {
|
|
/*
|
|
* Confirm id16 value is correct.
|
|
*/
|
|
if (sets[i].freq > 0) {
|
|
error = est_set_id16(dev, sets[i].spec[0], strict);
|
|
if (error != 0) {
|
|
if (bootverbose)
|
|
device_printf(dev, "Invalid freq %u, "
|
|
"ignored.\n", sets[i].freq);
|
|
continue;
|
|
}
|
|
table[j].freq = sets[i].freq;
|
|
table[j].volts = sets[i].volts;
|
|
table[j].id16 = sets[i].spec[0];
|
|
table[j].power = sets[i].power;
|
|
++j;
|
|
}
|
|
}
|
|
/* restore saved setting */
|
|
est_set_id16(dev, saved_id16, 0);
|
|
|
|
/* Mark end of table with a terminator. */
|
|
bzero(&table[j], sizeof(freq_info));
|
|
|
|
sc->acpi_settings = TRUE;
|
|
*freqs = table;
|
|
error = 0;
|
|
|
|
out:
|
|
if (sets)
|
|
free(sets, M_TEMP);
|
|
if (error && table)
|
|
free(table, M_DEVBUF);
|
|
return (error);
|
|
}
|
|
|
|
static int
|
|
est_table_info(device_t dev, uint64_t msr, freq_info **freqs)
|
|
{
|
|
cpu_info *p;
|
|
uint32_t id;
|
|
|
|
/* Find a table which matches (vendor, id32). */
|
|
id = msr >> 32;
|
|
for (p = ESTprocs; p->id32 != 0; p++) {
|
|
if (p->vendor_id == cpu_vendor_id && p->id32 == id)
|
|
break;
|
|
}
|
|
if (p->id32 == 0)
|
|
return (EOPNOTSUPP);
|
|
|
|
/* Make sure the current setpoint is valid. */
|
|
if (est_get_current(p->freqtab) == NULL) {
|
|
device_printf(dev, "current setting not found in table\n");
|
|
return (EOPNOTSUPP);
|
|
}
|
|
|
|
*freqs = p->freqtab;
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
bus_speed_ok(int bus)
|
|
{
|
|
|
|
switch (bus) {
|
|
case 100:
|
|
case 133:
|
|
case 333:
|
|
return (1);
|
|
default:
|
|
return (0);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Flesh out a simple rate table containing the high and low frequencies
|
|
* based on the current clock speed and the upper 32 bits of the MSR.
|
|
*/
|
|
static int
|
|
est_msr_info(device_t dev, uint64_t msr, freq_info **freqs)
|
|
{
|
|
struct est_softc *sc;
|
|
freq_info *fp;
|
|
int bus, freq, volts;
|
|
uint16_t id;
|
|
|
|
if (!msr_info_enabled)
|
|
return (EOPNOTSUPP);
|
|
|
|
/* Figure out the bus clock. */
|
|
freq = atomic_load_acq_64(&tsc_freq) / 1000000;
|
|
id = msr >> 32;
|
|
bus = freq / (id >> 8);
|
|
device_printf(dev, "Guessed bus clock (high) of %d MHz\n", bus);
|
|
if (!bus_speed_ok(bus)) {
|
|
/* We may be running on the low frequency. */
|
|
id = msr >> 48;
|
|
bus = freq / (id >> 8);
|
|
device_printf(dev, "Guessed bus clock (low) of %d MHz\n", bus);
|
|
if (!bus_speed_ok(bus))
|
|
return (EOPNOTSUPP);
|
|
|
|
/* Calculate high frequency. */
|
|
id = msr >> 32;
|
|
freq = ((id >> 8) & 0xff) * bus;
|
|
}
|
|
|
|
/* Fill out a new freq table containing just the high and low freqs. */
|
|
sc = device_get_softc(dev);
|
|
fp = malloc(sizeof(freq_info) * 3, M_DEVBUF, M_WAITOK | M_ZERO);
|
|
|
|
/* First, the high frequency. */
|
|
volts = id & 0xff;
|
|
if (volts != 0) {
|
|
volts <<= 4;
|
|
volts += 700;
|
|
}
|
|
fp[0].freq = freq;
|
|
fp[0].volts = volts;
|
|
fp[0].id16 = id;
|
|
fp[0].power = CPUFREQ_VAL_UNKNOWN;
|
|
device_printf(dev, "Guessed high setting of %d MHz @ %d Mv\n", freq,
|
|
volts);
|
|
|
|
/* Second, the low frequency. */
|
|
id = msr >> 48;
|
|
freq = ((id >> 8) & 0xff) * bus;
|
|
volts = id & 0xff;
|
|
if (volts != 0) {
|
|
volts <<= 4;
|
|
volts += 700;
|
|
}
|
|
fp[1].freq = freq;
|
|
fp[1].volts = volts;
|
|
fp[1].id16 = id;
|
|
fp[1].power = CPUFREQ_VAL_UNKNOWN;
|
|
device_printf(dev, "Guessed low setting of %d MHz @ %d Mv\n", freq,
|
|
volts);
|
|
|
|
/* Table is already terminated due to M_ZERO. */
|
|
sc->msr_settings = TRUE;
|
|
*freqs = fp;
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
est_get_id16(uint16_t *id16_p)
|
|
{
|
|
*id16_p = rdmsr(MSR_PERF_STATUS) & 0xffff;
|
|
}
|
|
|
|
static int
|
|
est_set_id16(device_t dev, uint16_t id16, int need_check)
|
|
{
|
|
uint64_t msr;
|
|
uint16_t new_id16;
|
|
int ret = 0;
|
|
|
|
/* Read the current register, mask out the old, set the new id. */
|
|
msr = rdmsr(MSR_PERF_CTL);
|
|
msr = (msr & ~0xffff) | id16;
|
|
wrmsr(MSR_PERF_CTL, msr);
|
|
|
|
if (need_check) {
|
|
/* Wait a short while and read the new status. */
|
|
DELAY(EST_TRANS_LAT);
|
|
est_get_id16(&new_id16);
|
|
if (new_id16 != id16) {
|
|
if (bootverbose)
|
|
device_printf(dev, "Invalid id16 (set, cur) "
|
|
"= (%u, %u)\n", id16, new_id16);
|
|
ret = ENXIO;
|
|
}
|
|
}
|
|
return (ret);
|
|
}
|
|
|
|
static freq_info *
|
|
est_get_current(freq_info *freq_list)
|
|
{
|
|
freq_info *f;
|
|
int i;
|
|
uint16_t id16;
|
|
|
|
/*
|
|
* Try a few times to get a valid value. Sometimes, if the CPU
|
|
* is in the middle of an asynchronous transition (i.e., P4TCC),
|
|
* we get a temporary invalid result.
|
|
*/
|
|
for (i = 0; i < 5; i++) {
|
|
est_get_id16(&id16);
|
|
for (f = freq_list; f->id16 != 0; f++) {
|
|
if (f->id16 == id16)
|
|
return (f);
|
|
}
|
|
DELAY(100);
|
|
}
|
|
return (NULL);
|
|
}
|
|
|
|
static int
|
|
est_settings(device_t dev, struct cf_setting *sets, int *count)
|
|
{
|
|
struct est_softc *sc;
|
|
freq_info *f;
|
|
int i;
|
|
|
|
sc = device_get_softc(dev);
|
|
if (*count < EST_MAX_SETTINGS)
|
|
return (E2BIG);
|
|
|
|
i = 0;
|
|
for (f = sc->freq_list; f->freq != 0; f++, i++) {
|
|
sets[i].freq = f->freq;
|
|
sets[i].volts = f->volts;
|
|
sets[i].power = f->power;
|
|
sets[i].lat = EST_TRANS_LAT;
|
|
sets[i].dev = dev;
|
|
}
|
|
*count = i;
|
|
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
est_set(device_t dev, const struct cf_setting *set)
|
|
{
|
|
struct est_softc *sc;
|
|
freq_info *f;
|
|
|
|
/* Find the setting matching the requested one. */
|
|
sc = device_get_softc(dev);
|
|
for (f = sc->freq_list; f->freq != 0; f++) {
|
|
if (f->freq == set->freq)
|
|
break;
|
|
}
|
|
if (f->freq == 0)
|
|
return (EINVAL);
|
|
|
|
/* Read the current register, mask out the old, set the new id. */
|
|
est_set_id16(dev, f->id16, 0);
|
|
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
est_get(device_t dev, struct cf_setting *set)
|
|
{
|
|
struct est_softc *sc;
|
|
freq_info *f;
|
|
|
|
sc = device_get_softc(dev);
|
|
f = est_get_current(sc->freq_list);
|
|
if (f == NULL)
|
|
return (ENXIO);
|
|
|
|
set->freq = f->freq;
|
|
set->volts = f->volts;
|
|
set->power = f->power;
|
|
set->lat = EST_TRANS_LAT;
|
|
set->dev = dev;
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
est_type(device_t dev, int *type)
|
|
{
|
|
|
|
if (type == NULL)
|
|
return (EINVAL);
|
|
|
|
*type = CPUFREQ_TYPE_ABSOLUTE;
|
|
return (0);
|
|
}
|