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86Box/src/device/hwm_lm78.c
OBattler 0faf6692c9 WARNING: CONFIGS MIGHT PARTIALLY BREAK WHERE DEVICE NAMES HAVE CHANGED. 
Changes to device_t struct to accomodate the upcoming PCI IRQ arbitration rewrite;
Added device.c/h API to obtain name from the device_t struct;
Significant changes to win/win_settings.c to clean up the code a bit and fix bugs;
Ported all the CPU and AudioPCI commits from PCem;
Added an API call to allow ACPI soft power off to gracefully stop the emulator;
Removed the Siemens PCD-2L from the Dev branch because it now works;
Removed the Socket 5 HP Vectra from the Dev branch because it now works;
Fixed the Compaq Presario and the Micronics Spitfire;
Give the IBM PC330 its own list of 486 CPU so it can have DX2's with CPUID 0x470;
SMM fixes;
Rewrote the SYSENTER, SYSEXIT, SYSCALL, and SYSRET instructions;
Changed IDE reset period to match the specification, fixes #929;
The keyboard input and output ports are now forced in front of the queue when read, fixes a number of bugs, including the AMI Apollo hanging on soft reset;
Added the Intel AN430TX but Dev branched because it does not work;
The network code no longer drops packets if the emulated network card has failed to receive them (eg. when the buffer is full);
Changes to PCI card adding and renamed some PCI slot types, also added proper AGP bridge slot types;
USB UHCI emulation is no longer a stub (still doesn't fully work, but at least Windows XP chk with Debug no longer ASSERT's on it);
Fixed NVR on the the SMC FDC37C932QF and APM variants;
A number of fixes to Intel 4x0 chipsets, including fixing every register of the 440LX and 440EX;
Some ACPI changes.
2020-11-16 00:01:21 +01:00

611 lines
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/*
* 86Box A hypervisor and IBM PC system emulator that specializes in
* running old operating systems and software designed for IBM
* PC systems and compatibles from 1981 through fairly recent
* system designs based on the PCI bus.
*
* This file is part of the 86Box distribution.
*
* Emulation of the National Semiconductor LM78 hardware monitoring chip.
*
*
*
* Author: RichardG, <richardg867@gmail.com>
*
* Copyright 2020 RichardG.
*/
#include <stdarg.h>
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#define HAVE_STDARG_H
#include <wchar.h>
#include <86box/86box.h>
#include <86box/device.h>
#include <86box/io.h>
#include "cpu.h"
#include <86box/smbus.h>
#include <86box/hwm.h>
#define LM78_SMBUS 0x010000
#define LM78_W83781D 0x020000
#define LM78_AS99127F_REV1 0x040000
#define LM78_AS99127F_REV2 0x080000
#define LM78_W83782D 0x100000
#define LM78_AS99127F (LM78_AS99127F_REV1 | LM78_AS99127F_REV2) /* special mask covering both _REV1 and _REV2 */
#define LM78_WINBOND (LM78_W83781D | LM78_AS99127F | LM78_W83782D) /* special mask covering all Winbond variants */
#define LM78_WINBOND_VENDOR_ID ((dev->local & LM78_AS99127F_REV1) ? 0x12c3 : 0x5ca3)
#define LM78_WINBOND_BANK (dev->regs[0x4e] & 0x07)
#define CLAMP(a, min, max) (((a) < (min)) ? (min) : (((a) > (max)) ? (max) : (a)))
#define LM78_RPM_TO_REG(r, d) ((r) ? CLAMP(1350000 / (r * d), 1, 255) : 0)
#define LM78_VOLTAGE_TO_REG(v) ((v) >> 4)
#define LM78_NEG_VOLTAGE(v, r) (v * (604.0 / ((double) r))) /* negative voltage formula from the W83781D datasheet */
#define LM78_NEG_VOLTAGE2(v, r) (((3600 + v) * (((double) r) / (((double) r) + 56.0))) - v) /* negative voltage formula from the W83782D datasheet */
typedef struct {
uint32_t local;
hwm_values_t *values;
device_t *lm75[2];
uint8_t regs[256];
uint8_t regs_782d[2][16];
uint8_t addr_register;
uint8_t data_register;
uint8_t smbus_addr;
} lm78_t;
static uint8_t lm78_isa_read(uint16_t port, void *priv);
static uint8_t lm78_smbus_read_byte(uint8_t addr, void *priv);
static uint8_t lm78_smbus_read_byte_cmd(uint8_t addr, uint8_t cmd, void *priv);
static uint16_t lm78_smbus_read_word_cmd(uint8_t addr, uint8_t cmd, void *priv);
static uint8_t lm78_read(lm78_t *dev, uint8_t reg, uint8_t bank);
static void lm78_isa_write(uint16_t port, uint8_t val, void *priv);
static void lm78_smbus_write_byte(uint8_t addr, uint8_t val, void *priv);
static void lm78_smbus_write_byte_cmd(uint8_t addr, uint8_t cmd, uint8_t val, void *priv);
static void lm78_smbus_write_word_cmd(uint8_t addr, uint8_t cmd, uint16_t val, void *priv);
static uint8_t lm78_write(lm78_t *dev, uint8_t reg, uint8_t val, uint8_t bank);
static void lm78_reset(lm78_t *dev, uint8_t initialization);
#ifdef ENABLE_LM78_LOG
int lm78_do_log = ENABLE_LM78_LOG;
static void
lm78_log(const char *fmt, ...)
{
va_list ap;
if (lm78_do_log) {
va_start(ap, fmt);
pclog_ex(fmt, ap);
va_end(ap);
}
}
#else
#define lm78_log(fmt, ...)
#endif
static void
lm78_remap(lm78_t *dev, uint8_t addr)
{
lm75_t *lm75;
if (!(dev->local & LM78_SMBUS)) return;
lm78_log("LM78: remapping to SMBus %02Xh\n", addr);
smbus_removehandler(dev->smbus_addr, 1,
lm78_smbus_read_byte, lm78_smbus_read_byte_cmd, lm78_smbus_read_word_cmd, NULL,
lm78_smbus_write_byte, lm78_smbus_write_byte_cmd, lm78_smbus_write_word_cmd, NULL,
dev);
if (addr < 0x80) smbus_sethandler(addr, 1,
lm78_smbus_read_byte, lm78_smbus_read_byte_cmd, lm78_smbus_read_word_cmd, NULL,
lm78_smbus_write_byte, lm78_smbus_write_byte_cmd, lm78_smbus_write_word_cmd, NULL,
dev);
dev->smbus_addr = addr;
if (dev->local & LM78_AS99127F) {
/* Store the main SMBus address on the LM75 devices to ensure reads/writes
to the AS99127F's proprietary registers are passed through to this side. */
for (uint8_t i = 0; i <= 1; i++) {
lm75 = device_get_priv(dev->lm75[i]);
if (lm75)
lm75->as99127f_smbus_addr = dev->smbus_addr;
}
}
}
static uint8_t
lm78_isa_read(uint16_t port, void *priv)
{
lm78_t *dev = (lm78_t *) priv;
uint8_t ret = 0xff;
switch (port & 0x7) {
case 0x5:
ret = (dev->addr_register & 0x7f);
break;
case 0x6:
ret = lm78_read(dev, dev->addr_register, LM78_WINBOND_BANK);
if (((LM78_WINBOND_BANK == 0) &&
((dev->addr_register == 0x41) || (dev->addr_register == 0x43) || (dev->addr_register == 0x45) || (dev->addr_register == 0x56) ||
((dev->addr_register >= 0x60) && (dev->addr_register < 0x7f)))) ||
((dev->local & LM78_W83782D) && (LM78_WINBOND_BANK == 5) && (dev->addr_register >= 0x50) && (dev->addr_register < 0x58))) {
/* auto-increment registers */
dev->addr_register++;
}
break;
default:
lm78_log("LM78: Read from unknown ISA port %d\n", port & 0x7);
break;
}
return ret;
}
static uint8_t
lm78_smbus_read_byte(uint8_t addr, void *priv)
{
lm78_t *dev = (lm78_t *) priv;
return lm78_read(dev, dev->addr_register, LM78_WINBOND_BANK);
}
static uint8_t
lm78_smbus_read_byte_cmd(uint8_t addr, uint8_t cmd, void *priv)
{
lm78_t *dev = (lm78_t *) priv;
return lm78_read(dev, cmd, LM78_WINBOND_BANK);
}
static uint16_t
lm78_smbus_read_word_cmd(uint8_t addr, uint8_t cmd, void *priv)
{
lm78_t *dev = (lm78_t *) priv;
return (lm78_read(dev, cmd, LM78_WINBOND_BANK) << 8) | lm78_read(dev, cmd, LM78_WINBOND_BANK);
}
static uint8_t
lm78_read(lm78_t *dev, uint8_t reg, uint8_t bank)
{
uint8_t ret = 0, masked_reg = reg, bankswitched = ((reg & 0xf8) == 0x50);
lm75_t *lm75;
if (bankswitched && ((bank == 1) || (bank == 2))) {
/* LM75 registers */
lm75 = device_get_priv(dev->lm75[bank - 1]);
if (lm75)
ret = lm75_read(lm75, reg);
} else if (bankswitched && ((bank == 4) || (bank == 5) || (bank == 6))) {
/* W83782D additional registers */
if (dev->local & LM78_W83782D) {
if ((bank == 5) && ((reg == 0x50) || (reg == 0x51))) /* voltages */
ret = LM78_VOLTAGE_TO_REG(dev->values->voltages[7 + (reg & 1)]);
else if (bank < 6)
ret = dev->regs_782d[bank - 4][reg & 0x0f];
}
} else {
/* regular registers */
ret = dev->regs[reg];
if (reg >= 0x40)
masked_reg = reg & 0x3f; /* match both non-auto-increment and auto-increment locations */
if ((masked_reg >= 0x20) && (masked_reg <= 0x26)) /* voltages */
ret = LM78_VOLTAGE_TO_REG(dev->values->voltages[reg & 7]);
else if (masked_reg == 0x27) /* temperature */
ret = dev->values->temperatures[0];
else if ((masked_reg >= 0x28) && (masked_reg <= 0x2a)) /* fan speeds */
ret = LM78_RPM_TO_REG(dev->values->fans[reg & 3], 1 << ((dev->regs[((reg & 3) == 2) ? 0x4b : 0x47] >> ((reg & 3) ? 6 : 4)) & 0x3));
else if ((reg == 0x4f) && (dev->local & LM78_WINBOND)) /* two-byte vendor ID register */
ret = ((dev->regs[0x4e] & 0x80) ? (LM78_WINBOND_VENDOR_ID >> 8) : LM78_WINBOND_VENDOR_ID);
else if ((reg >= 0x60) && (reg <= 0x7f)) /* read auto-increment value RAM registers from their non-auto-increment locations */
ret = dev->regs[reg & 0x3f];
else if (dev->local & LM78_AS99127F) { /* AS99127F mirrored registers */
masked_reg = reg & 0x7f;
if (masked_reg == 0x00) /* IN2 Low Limit */
ret = dev->regs[0x30];
else if ((masked_reg == 0x01) || (masked_reg == 0x04)) /* IN3 */
ret = LM78_VOLTAGE_TO_REG(dev->values->voltages[3]);
else if (masked_reg == 0x05) /* IN2 */
ret = LM78_VOLTAGE_TO_REG(dev->values->voltages[2]);
else if (masked_reg == 0x08) /* IN3 Low Limit */
ret = dev->regs[0x32];
else if ((reg >= 0x80) && (reg <= 0x92)) /* mirror [0x00:0x12] to [0x80:0x92] */
ret = dev->regs[masked_reg];
}
}
lm78_log("LM78: read(%02X, %d) = %02X\n", reg, bank, ret);
return ret;
}
static void
lm78_isa_write(uint16_t port, uint8_t val, void *priv)
{
lm78_t *dev = (lm78_t *) priv;
switch (port & 0x7) {
case 0x5:
dev->addr_register = (val & 0x7f);
break;
case 0x6:
lm78_write(dev, dev->addr_register, val, LM78_WINBOND_BANK);
if (((LM78_WINBOND_BANK == 0) &&
((dev->addr_register == 0x41) || (dev->addr_register == 0x43) || (dev->addr_register == 0x45) || (dev->addr_register == 0x56) ||
((dev->addr_register >= 0x60) && (dev->addr_register < 0x7f)))) ||
((dev->local & LM78_W83782D) && (LM78_WINBOND_BANK == 5) && (dev->addr_register >= 0x50) && (dev->addr_register < 0x58))) {
/* auto-increment registers */
dev->addr_register++;
}
break;
default:
lm78_log("LM78: Write %02X to unknown ISA port %d\n", val, port & 0x7);
break;
}
}
static void
lm78_smbus_write_byte(uint8_t addr, uint8_t val, void *priv)
{
lm78_t *dev = (lm78_t *) priv;
dev->addr_register = val;
}
static void
lm78_smbus_write_byte_cmd(uint8_t addr, uint8_t cmd, uint8_t val, void *priv)
{
lm78_t *dev = (lm78_t *) priv;
lm78_write(dev, cmd, val, LM78_WINBOND_BANK);
}
static void
lm78_smbus_write_word_cmd(uint8_t addr, uint8_t cmd, uint16_t val, void *priv)
{
lm78_t *dev = (lm78_t *) priv;
lm78_write(dev, cmd, val, LM78_WINBOND_BANK);
}
static uint8_t
lm78_write(lm78_t *dev, uint8_t reg, uint8_t val, uint8_t bank)
{
lm75_t *lm75;
lm78_log("LM78: write(%02X, %d, %02X)\n", reg, bank, val);
if ((reg & 0xf8) == 0x50) {
if ((bank == 1) || (bank == 2)) {
/* LM75 registers */
lm75 = device_get_priv(dev->lm75[bank - 1]);
if (lm75)
lm75_write(lm75, reg, val);
return 1;
} else if (dev->local & LM78_W83782D) {
/* W83782D additional registers */
if (bank == 4) {
switch (reg) {
case 0x50: case 0x52: case 0x53: case 0x54: case 0x55: case 0x56: case 0x57:
case 0x58: case 0x59: case 0x5a: case 0x5b: case 0x5d: case 0x5e: case 0x5f:
/* read-only registers */
return 0;
}
dev->regs_782d[0][reg & 0x0f] = val;
return 1;
} else if (bank == 5) {
switch (reg) {
case 0x50: case 0x51: case 0x52: case 0x53: case 0x58: case 0x59: case 0x5a:
case 0x5b: case 0x5c: case 0x5d: case 0x5e: case 0x5f:
/* read-only registers */
return 0;
}
dev->regs_782d[1][reg & 0x0f] = val;
return 1;
} else if (bank == 6) {
return 0;
}
}
}
/* regular registers */
switch (reg) {
case 0x41: case 0x42: case 0x4f: case 0x58:
case 0x20: case 0x21: case 0x22: case 0x23: case 0x24: case 0x25: case 0x26: case 0x27: case 0x28: case 0x29: case 0x2a:
case 0x60: case 0x61: case 0x62: case 0x63: case 0x64: case 0x65: case 0x66: case 0x67: case 0x68: case 0x69: case 0x6a:
/* read-only registers */
return 0;
case 0x4a: case 0x4b: case 0x4c: case 0x4d: case 0x4e:
/* Winbond-only registers */
if (!(dev->local & LM78_WINBOND))
return 0;
break;
}
if ((reg >= 0x60) && (reg <= 0x7f)) /* write auto-increment value RAM registers to their non-auto-increment locations */
dev->regs[reg & 0x3f] = val;
else if ((reg >= 0x80) && (reg <= 0x92)) /* AS99127F mirrors [0x00:0x12] to [0x80:0x92] */
dev->regs[reg & 0x7f] = val;
else
dev->regs[reg] = val;
switch (reg) {
case 0x40:
if (val & 0x80) /* INITIALIZATION bit resets all registers except main SMBus address */
lm78_reset(dev, 1);
break;
case 0x48:
/* set main SMBus address */
if (dev->local & LM78_SMBUS)
lm78_remap(dev, dev->regs[0x48] & 0x7f);
break;
case 0x49:
if (!(dev->local & LM78_WINBOND)) {
if (val & 0x20) /* Chip Reset bit (LM78 only) resets all registers */
lm78_reset(dev, 0);
else
dev->regs[0x49] = 0x40;
} else {
dev->regs[0x49] &= 0x01;
}
break;
case 0x4a:
/* set LM75 SMBus addresses (Winbond only) */
if (dev->local & LM78_SMBUS) {
for (uint8_t i = 0; i <= 1; i++) {
lm75 = device_get_priv(dev->lm75[i]);
if (!lm75)
continue;
if (dev->regs[0x4a] & (0x08 * (0x10 * i))) /* DIS_T2 and DIS_T3 bit disable those interfaces */
lm75_remap(lm75, 0x80);
else
lm75_remap(lm75, 0x48 + ((dev->regs[0x4a] >> (i * 4)) & 0x7));
}
}
break;
case 0x87:
/* AS99127F boards perform a soft reset through this register */
if ((dev->local & LM78_AS99127F) && (val == 0x01)) {
lm78_log("LM78: Reset requested through AS99127F\n");
resetx86();
}
break;
}
return 1;
}
static void
lm78_reset(lm78_t *dev, uint8_t initialization)
{
memset(dev->regs, 0, 256);
memset(dev->regs + 0xc0, 0xff, 32); /* C0-DF are 0xFF at least on the AS99127F */
dev->regs[0x40] = 0x08;
dev->regs[0x46] = 0x40;
dev->regs[0x47] = 0x50;
if (dev->local & LM78_SMBUS) {
if (!initialization) /* don't reset main SMBus address if the reset was triggered by the INITIALIZATION bit */
dev->smbus_addr = 0x2d;
dev->regs[0x48] = dev->smbus_addr;
if (dev->local & LM78_WINBOND)
dev->regs[0x4a] = 0x01;
} else {
dev->regs[0x48] = 0x00;
if (dev->local & LM78_WINBOND)
dev->regs[0x4a] = 0x88;
}
if (dev->local & LM78_WINBOND) {
dev->regs[0x49] = 0x02;
dev->regs[0x4b] = 0x44;
dev->regs[0x4c] = 0x01;
dev->regs[0x4d] = 0x15;
dev->regs[0x4e] = 0x80;
dev->regs[0x4f] = (LM78_WINBOND_VENDOR_ID >> 8);
dev->regs[0x57] = 0x80;
/* Initialize proprietary registers on the AS99127F. The BIOS accesses some
of these on boot through read_byte_cmd on the TEMP2 address, hanging on
POST code C1 if they're defaulted to 0. There's no documentation on what
these are for. The following values were dumped from a live, initialized
AS99127F Rev. 2 on a P4B motherboard, and they seem to work well enough. */
if (dev->local & LM78_AS99127F) {
/* 0x00 appears to mirror IN2 Low Limit */
/* 0x01 appears to mirror IN3 */
dev->regs[0x02] = LM78_VOLTAGE_TO_REG(2800); /* appears to be a "maximum VCORE" of some kind; must read 2.8V on P3 boards */
dev->regs[0x03] = 0x60;
/* 0x04 appears to mirror IN3 */
/* 0x05 appears to mirror IN2 */
dev->regs[0x07] = 0xcd;
/* 0x08 appears to mirror IN3 Low Limit */
dev->regs[0x09] = dev->regs[0x0f] = dev->regs[0x11] = 0xf8; /* three instances of */
dev->regs[0x0a] = dev->regs[0x10] = dev->regs[0x12] = 0xa5; /* the same word */
dev->regs[0x0b] = 0xac;
dev->regs[0x0c] = 0x8c;
dev->regs[0x0d] = 0x68;
dev->regs[0x0e] = 0x54;
dev->regs[0x53] = dev->regs[0x54] = dev->regs[0x55] = 0xff;
dev->regs[0x58] = 0x31;
dev->regs[0x59] = dev->regs[0x5a] = 0x8f;
dev->regs[0x5c] = 0xe0;
dev->regs[0x5d] = 0x48;
dev->regs[0x5e] = 0xe2;
dev->regs[0x5f] = 0x3f;
} else if (dev->local & LM78_W83781D) {
dev->regs[0x58] = 0x10;
} else if (dev->local & LM78_W83782D) {
dev->regs[0x58] = 0x30;
}
} else {
dev->regs[0x49] = 0x40;
}
lm78_remap(dev, dev->smbus_addr);
}
static void
lm78_close(void *priv)
{
lm78_t *dev = (lm78_t *) priv;
uint16_t isa_io = dev->local & 0xffff;
if (isa_io)
io_removehandler(isa_io, 8, lm78_isa_read, NULL, NULL, lm78_isa_write, NULL, NULL, dev);
free(dev);
}
static void *
lm78_init(const device_t *info)
{
lm78_t *dev = (lm78_t *) malloc(sizeof(lm78_t));
memset(dev, 0, sizeof(lm78_t));
dev->local = info->local;
/* Set global default values. */
hwm_values_t defaults = {
{ /* fan speeds */
3000, /* usually Chassis, sometimes CPU */
3000, /* usually CPU, sometimes Chassis */
3000 /* usually PSU, sometimes Chassis */
}, { /* temperatures */
30, /* usually Board, sometimes Chassis */
30, /* Winbond only: usually CPU, sometimes Probe */
30 /* Winbond only: usually CPU when not the one above */
}, { /* voltages */
hwm_get_vcore(), /* Vcore */
0, /* sometimes Vtt, Vio or second CPU */
3300, /* +3.3V */
RESISTOR_DIVIDER(5000, 11, 16), /* +5V (divider values bruteforced) */
RESISTOR_DIVIDER(12000, 28, 10), /* +12V (28K/10K divider suggested in the W83781D datasheet) */
LM78_NEG_VOLTAGE(12000, 2100), /* -12V */
LM78_NEG_VOLTAGE(5000, 909), /* -5V */
RESISTOR_DIVIDER(5000, 51, 75), /* W83782D only: +5VSB (5.1K/7.5K divider suggested in the datasheet) */
3000 /* W83782D only: Vbat */
}
};
/* Set chip-specific default values. */
if (dev->local & LM78_AS99127F) {
/* AS99127: different -12V Rin value (bruteforced) */
defaults.voltages[5] = LM78_NEG_VOLTAGE(12000, 2400);
} else if (dev->local & LM78_W83782D) {
/* W83782D: different negative voltage formula */
defaults.voltages[5] = LM78_NEG_VOLTAGE2(12000, 232);
defaults.voltages[6] = LM78_NEG_VOLTAGE2(5000, 120);
}
hwm_values = defaults;
dev->values = &hwm_values;
/* Initialize secondary/tertiary LM75 sensors on Winbond. */
for (uint8_t i = 0; i <= 1; i++) {
if (dev->local & LM78_WINBOND) {
dev->lm75[i] = (device_t *) malloc(sizeof(device_t));
memcpy(dev->lm75[i], &lm75_w83781d_device, sizeof(device_t));
dev->lm75[i]->local = (i + 1) << 8;
if (dev->local & LM78_SMBUS)
dev->lm75[i]->local |= 0x48 + i;
device_add(dev->lm75[i]);
} else {
dev->lm75[i] = NULL;
}
}
lm78_reset(dev, 0);
uint16_t isa_io = dev->local & 0xffff;
if (isa_io)
io_sethandler(isa_io, 8, lm78_isa_read, NULL, NULL, lm78_isa_write, NULL, NULL, dev);
return dev;
}
/* National Semiconductor LM78 on ISA and SMBus. */
const device_t lm78_device = {
"National Semiconductor LM78 Hardware Monitor",
DEVICE_ISA,
0x290 | LM78_SMBUS,
lm78_init, lm78_close, NULL,
{ NULL }, NULL, NULL,
NULL
};
/* Winbond W83781D (or ASUS AS97127F) on ISA and SMBus. */
const device_t w83781d_device = {
"Winbond W83781D Hardware Monitor",
DEVICE_ISA,
0x290 | LM78_SMBUS | LM78_W83781D,
lm78_init, lm78_close, NULL,
{ NULL }, NULL, NULL,
NULL
};
/* The ASUS AS99127F is a customized W83781D with no ISA interface (SMBus
only), added proprietary registers and different chip/vendor IDs. */
const device_t as99127f_device = {
"ASUS AS99127F Rev. 1 Hardware Monitor",
DEVICE_ISA,
LM78_SMBUS | LM78_AS99127F_REV1,
lm78_init, lm78_close, NULL,
{ NULL }, NULL, NULL,
NULL
};
/* Rev. 2 changes the vendor ID back to Winbond's and brings some other changes. */
const device_t as99127f_rev2_device = {
"ASUS AS99127F Rev. 2 Hardware Monitor",
DEVICE_ISA,
LM78_SMBUS | LM78_AS99127F_REV2,
lm78_init, lm78_close, NULL,
{ NULL }, NULL, NULL,
NULL
};
/* Winbond W83782D on ISA and SMBus. */
const device_t w83782d_device = {
"Winbond W83782D Hardware Monitor",
DEVICE_ISA,
0x290 | LM78_SMBUS | LM78_W83782D,
lm78_init, lm78_close, NULL,
{ NULL }, NULL, NULL,
NULL
};
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