#include <arch/io.h> #include <stdlib.h> #include <superio/ite/it8716f/it8716f.h> static void write_index(uint16_t port_base, uint8_t reg, uint8_t value) { outb(reg, port_base); outb(value, port_base + 1); } static const struct { uint8_t index, value; } sequence[]= { /* Make sure we can monitor, and enable SMI# interrupt output */ { 0x00, 0x13}, /* Disable fan interrupt status bits for SMI# */ { 0x04, 0x37}, /* Disable VIN interrupt status bits for SMI# */ { 0x05, 0xff}, /* Disable fan interrupt status bits for IRQ */ { 0x07, 0x37}, /* Disable VIN interrupt status bits for IRQ */ { 0x08, 0xff}, /* Disable external sensor interrupt */ { 0x09, 0x87}, /* Enable 16 bit counter divisors */ { 0x0c, 0x07}, /* Set FAN_CTL control register (0x14) polarity to high, and activate fans 1, 2 and 3. */ { 0x14, 0xd7}, /* set the correct sensor types 1,2 thermistor; 3 diode */ { 0x51, 0x1c}, /* set the 'zero' voltage for diode type sensor 3 */ { 0x5c, 0x80}, // { 0x56, 0xe5}, // { 0x57, 0xe5}, { 0x59, 0xec}, { 0x5c, 0x00}, /* fan1 (controlled by temp3) control parameters */ /* fan off limit */ { 0x60, 0xff}, /* fan start limit */ { 0x61, 0x14}, /* ???? */ // { 0x62, 0x00}, /* start PWM */ { 0x63, 0x27}, /* smooth and slope PWM */ { 0x64, 0x90}, /* direct-down and interval */ { 0x65, 0x03}, /* temperature limit of fan stop for fan3 (automatic) */ { 0x70, 0xff}, /* temperature limit of fan start for fan3 (automatic) */ { 0x71, 0x14}, /* Set PWM start & slope for fan3 */ { 0x73, 0x20}, /* Initialize PWM automatic mode slope values for fan3 */ { 0x74, 0x90}, /* set smartguardian temperature interval for fan3 */ { 0x75, 0x03}, /* fan1 auto controlled by temp3 */ { 0x15, 0x82}, /* fan2 auto controlled by temp3 */ { 0x16, 0x82}, /* fan3 auto controlled by temp3 */ { 0x17, 0x82}, /* all fans enable, fan1 ctl smart */ { 0x13, 0x77} }; /* * Called from superio.c */ void init_ec(uint16_t base) { int i; for (i = 0; i < ARRAY_SIZE(sequence); i++) { write_index(base, sequence[i].index, sequence[i].value); } }