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Hardware monitor refactoring, part 2

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This commit is contained in:
RichardG867
2020-05-18 22:54:59 -03:00
parent 928c494e6c
commit 2ff06457d5
9 changed files with 382 additions and 180 deletions
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1
src/hwm.c
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@@ -11,6 +11,7 @@
*
*
* Author: RichardG, <richardg867@gmail.com>
*
* Copyright 2020 RichardG.
*/

269
src/hwm_lm75.c Normal file
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@@ -0,0 +1,269 @@
/*
* 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 LM75 temperature sensor 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/smbus.h>
#include <86box/hwm.h>
#define LM75_TEMP_TO_REG(t) ((t) << 8)
static uint8_t lm75_smbus_read_byte(uint8_t addr, void *priv);
static uint8_t lm75_smbus_read_byte_cmd(uint8_t addr, uint8_t cmd, void *priv);
static uint16_t lm75_smbus_read_word_cmd(uint8_t addr, uint8_t cmd, void *priv);
static void lm75_smbus_write_byte(uint8_t addr, uint8_t val, void *priv);
static void lm75_smbus_write_byte_cmd(uint8_t addr, uint8_t cmd, uint8_t val, void *priv);
static void lm75_smbus_write_word_cmd(uint8_t addr, uint8_t cmd, uint16_t val, void *priv);
static void lm75_reset(lm75_t *dev);
#ifdef ENABLE_LM75_LOG
int lm75_do_log = ENABLE_LM75_LOG;
static void
lm75_log(const char *fmt, ...)
{
va_list ap;
if (lm75_do_log) {
va_start(ap, fmt);
pclog_ex(fmt, ap);
va_end(ap);
}
}
#else
#define lm75_log(fmt, ...)
#endif
void
lm75_remap(lm75_t *dev)
{
lm75_log("LM75: remapping to SMBus %02Xh\n", dev->smbus_addr);
smbus_removehandler(dev->smbus_addr, 1,
lm75_smbus_read_byte, lm75_smbus_read_byte_cmd, lm75_smbus_read_word_cmd, NULL,
lm75_smbus_write_byte, lm75_smbus_write_byte_cmd, lm75_smbus_write_word_cmd, NULL,
dev);
if (dev->smbus_addr) smbus_sethandler(dev->smbus_addr, 1,
lm75_smbus_read_byte, lm75_smbus_read_byte_cmd, lm75_smbus_read_word_cmd, NULL,
lm75_smbus_write_byte, lm75_smbus_write_byte_cmd, lm75_smbus_write_word_cmd, NULL,
dev);
}
static uint8_t
lm75_smbus_read_byte(uint8_t addr, void *priv)
{
lm75_t *dev = (lm75_t *) priv;
return lm75_read(dev, dev->addr_register);
}
static uint8_t
lm75_smbus_read_byte_cmd(uint8_t addr, uint8_t cmd, void *priv)
{
lm75_t *dev = (lm75_t *) priv;
return lm75_read(dev, cmd);
}
static uint16_t
lm75_smbus_read_word_cmd(uint8_t addr, uint8_t cmd, void *priv)
{
lm75_t *dev = (lm75_t *) priv;
uint8_t rethi = 0;
uint8_t retlo = 0;
switch (cmd & 0x3) {
case 0x0: /* temperature */
rethi = lm75_read(dev, 0x0);
retlo = lm75_read(dev, 0x1);
break;
case 0x1: /* configuration */
rethi = retlo = lm75_read(dev, 0x2);
break;
case 0x2: /* Thyst */
rethi = lm75_read(dev, 0x3);
retlo = lm75_read(dev, 0x4);
break;
case 0x3: /* Tos */
rethi = lm75_read(dev, 0x5);
retlo = lm75_read(dev, 0x6);
break;
}
return (retlo << 8) | rethi; /* byte-swapped for some reason */
}
uint8_t
lm75_read(lm75_t *dev, uint8_t reg)
{
uint8_t ret;
/* The AS99127F hardware monitor uses the addresses of its LM75 devices
to access some of its proprietary registers. Pass this operation on to
the main monitor address through an internal SMBus call, if necessary. */
if ((reg >= 0x80) && (dev->as99127f_smbus_addr))
ret = smbus_read_byte_cmd(dev->as99127f_smbus_addr, reg);
else
ret = dev->regs[reg & 0x7];
lm75_log("LM75: read(%x) = %02x\n", reg, ret);
return ret;
}
static void
lm75_smbus_write_byte(uint8_t addr, uint8_t val, void *priv)
{
lm75_t *dev = (lm75_t *) priv;
dev->addr_register = val;
}
static void
lm75_smbus_write_byte_cmd(uint8_t addr, uint8_t cmd, uint8_t val, void *priv)
{
lm75_t *dev = (lm75_t *) priv;
lm75_write(dev, cmd, val);
}
static void
lm75_smbus_write_word_cmd(uint8_t addr, uint8_t cmd, uint16_t val, void *priv)
{
lm75_t *dev = (lm75_t *) priv;
uint8_t valhi = (val >> 8);
uint8_t vallo = (val & 0xff);
switch (cmd & 0x3) {
case 0x0: /* temperature */
lm75_write(dev, 0x0, valhi);
lm75_write(dev, 0x1, vallo);
break;
case 0x1: /* configuration */
lm75_write(dev, 0x2, vallo);
break;
case 0x2: /* Thyst */
lm75_write(dev, 0x3, valhi);
lm75_write(dev, 0x4, vallo);
break;
case 0x3: /* Tos */
lm75_write(dev, 0x5, valhi);
lm75_write(dev, 0x6, vallo);
break;
break;
}
}
uint8_t
lm75_write(lm75_t *dev, uint8_t reg, uint8_t val)
{
lm75_log("LM75: write(%x, %02x)\n", reg, val);
/* The AS99127F hardware monitor uses the addresses of its LM75 devices
to access some of its proprietary registers. Pass this operation on to
the main monitor address through an internal SMBus call, if necessary. */
if ((reg >= 0x80) && (dev->as99127f_smbus_addr)) {
smbus_write_byte_cmd(dev->as99127f_smbus_addr, reg, val);
return 1;
}
uint8_t reg_idx = (reg & 0x7);
if ((reg_idx <= 0x1) || (reg_idx == 0x7))
return 0; /* read-only registers */
dev->regs[reg_idx] = val;
return 1;
}
static void
lm75_reset(lm75_t *dev)
{
uint16_t temp = LM75_TEMP_TO_REG(dev->values->temperatures[dev->local >> 8]);
dev->regs[0x0] = (temp >> 8);
dev->regs[0x1] = temp;
dev->regs[0x3] = 0x4b;
dev->regs[0x5] = 0x50;
lm75_remap(dev);
}
static void
lm75_close(void *priv)
{
lm75_t *dev = (lm75_t *) priv;
free(dev);
}
static void *
lm75_init(const device_t *info)
{
lm75_t *dev = (lm75_t *) malloc(sizeof(lm75_t));
memset(dev, 0, sizeof(lm75_t));
dev->local = info->local;
dev->values = hwm_get_values();
dev->smbus_addr = dev->local;
dev->as99127f_smbus_addr = 0x00;
lm75_reset(dev);
return dev;
}
/* LM75 on SMBus address 4Ah, reporting temperatures[1]. */
const device_t lm75_1_4a_device = {
"National Semiconductor LM75 Temperature Sensor",
DEVICE_AT,
0x14a,
lm75_init, lm75_close, NULL,
NULL, NULL, NULL,
NULL
};
/* LM75 secondary/tertiary temperature sensors built into
the Winbond W83781D family. Not to be used stand-alone. */
const device_t lm75_w83781d_device = {
"Winbond W83781D Secondary Temperature Sensor",
DEVICE_AT,
0,
lm75_init, lm75_close, NULL,
NULL, NULL, NULL,
NULL
};

261
src/hwm_lm78.c
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@@ -39,23 +39,19 @@
#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_TEMP_TO_REG(t) ((t) << 8)
#define LM78_VOLTAGE_TO_REG(v) ((v) >> 4)
typedef struct {
uint32_t local;
hwm_values_t* values;
hwm_values_t *values;
device_t *lm75[2];
uint8_t regs[256];
uint8_t regs_bank1[7];
uint8_t regs_bank2[7];
uint8_t addr_register;
uint8_t data_register;
uint8_t smbus_addr_main;
uint8_t smbus_addr_temp2;
uint8_t smbus_addr_temp3;
uint8_t smbus_addr;
uint8_t hbacs;
uint8_t active_bank;
} lm78_t;
@@ -97,29 +93,31 @@ lm78_log(const char *fmt, ...)
static void
lm78_remap(lm78_t *dev)
{
lm75_t *lm75;
if (!(dev->local & LM78_SMBUS)) return;
lm78_log("LM78: SMBus remap: main = %02Xh; temp2 = %02Xh; temp3 = %02Xh\n", dev->smbus_addr_main, dev->smbus_addr_temp2, dev->smbus_addr_temp3);
lm78_log("LM78: remapping to SMBus %02Xh\n", dev->smbus_addr);
smbus_removehandler(0x00, 0x80,
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 (dev->smbus_addr_main) smbus_sethandler(dev->smbus_addr_main, 1,
if (dev->smbus_addr) smbus_sethandler(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 (dev->smbus_addr_temp2) smbus_sethandler(dev->smbus_addr_temp2, 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 (dev->smbus_addr_temp3) smbus_sethandler(dev->smbus_addr_temp3, 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 (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;
}
}
}
@@ -127,9 +125,9 @@ static uint8_t
lm78_isa_read(uint16_t port, void *priv)
{
lm78_t *dev = (lm78_t *) priv;
uint8_t ret = 0xFF;
uint8_t ret = 0xff;
switch (port & 0xf) {
switch (port & 0x7) {
case 0x5:
ret = (dev->addr_register & 0x7f);
break;
@@ -143,6 +141,9 @@ lm78_isa_read(uint16_t port, void *priv)
dev->addr_register++;
}
break;
default:
lm78_log("LM78: Read from unknown ISA port %x\n", port & 0x7);
break;
}
return ret;
@@ -153,7 +154,7 @@ static uint8_t
lm78_smbus_read_byte(uint8_t addr, void *priv)
{
lm78_t *dev = (lm78_t *) priv;
return lm78_smbus_read_byte_cmd(addr, dev->addr_register, priv);
return lm78_read(dev, dev->addr_register, dev->active_bank);
}
@@ -161,14 +162,7 @@ static uint8_t
lm78_smbus_read_byte_cmd(uint8_t addr, uint8_t cmd, void *priv)
{
lm78_t *dev = (lm78_t *) priv;
uint8_t bank = 0;
if (addr == dev->smbus_addr_temp2)
bank = 1;
else if (addr == dev->smbus_addr_temp3)
bank = 2;
return lm78_read(dev, cmd, bank);
return lm78_read(dev, cmd, dev->active_bank);
}
@@ -176,38 +170,7 @@ static uint16_t
lm78_smbus_read_word_cmd(uint8_t addr, uint8_t cmd, void *priv)
{
lm78_t *dev = (lm78_t *) priv;
uint8_t rethi = 0;
uint8_t retlo = 0;
uint8_t bank = 0;
if ((dev->local & LM78_WINBOND) && ((addr == dev->smbus_addr_temp2) || (addr == dev->smbus_addr_temp3))) {
if (addr == dev->smbus_addr_temp2)
bank = 2;
else
bank = 3;
switch (cmd & 0x3) {
case 0x0: /* temperature */
rethi = lm78_read(dev, 0x50, bank);
retlo = lm78_read(dev, 0x51, bank);
break;
case 0x1: /* configuration */
rethi = retlo = lm78_read(dev, 0x52, bank);
break;
case 0x2: /* Thyst */
rethi = lm78_read(dev, 0x53, bank);
retlo = lm78_read(dev, 0x54, bank);
break;
case 0x3: /* Tos */
rethi = lm78_read(dev, 0x55, bank);
retlo = lm78_read(dev, 0x56, bank);
break;
}
} else {
rethi = retlo = lm78_read(dev, cmd, bank);
}
return (retlo << 8) | rethi; /* byte-swapped for some reason */
return (lm78_read(dev, cmd, dev->active_bank) << 8) | lm78_read(dev, cmd, dev->active_bank);
}
@@ -215,20 +178,20 @@ static uint8_t
lm78_read(lm78_t *dev, uint8_t reg, uint8_t bank)
{
uint8_t ret = 0;
lm75_t *lm75;
if ((dev->local & LM78_WINBOND) && ((reg >> 4) == 0x5) && (bank != 0)) {
/* bank-switched temperature registers */
if (bank == 1)
ret = dev->regs_bank1[reg & 0x7];
else
ret = dev->regs_bank2[reg & 0x7];
if (((reg >> 4) == 0x5) && (bank != 0)) {
/* LM75 registers */
lm75 = device_get_priv(dev->lm75[bank - 1]);
if (lm75)
ret = lm75_read(lm75, reg & 0x7);
} else {
/* regular registers */
if ((reg == 0x4f) && (dev->local & LM78_WINBOND)) /* special case for two-byte vendor ID register */
ret = (dev->hbacs ? (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 ((reg >= 0x80) && (reg <= 0x92)) /* AS99127F mirrors POST RAM to 80-92 */
else if ((reg >= 0x80) && (reg <= 0x92)) /* AS99127F mirrors [0x00:0x12] to [0x80:0x92] */
ret = dev->regs[reg - 0x7f];
else
ret = dev->regs[reg];
@@ -245,7 +208,7 @@ lm78_isa_write(uint16_t port, uint8_t val, void *priv)
{
lm78_t *dev = (lm78_t *) priv;
switch (port & 0xf) {
switch (port & 0x7) {
case 0x5:
dev->addr_register = (val & 0x7f);
break;
@@ -259,6 +222,9 @@ lm78_isa_write(uint16_t port, uint8_t val, void *priv)
dev->addr_register++;
}
break;
default:
lm78_log("LM78: Write %02x to unknown ISA port %x\n", val, port & 0x7);
break;
}
}
@@ -267,7 +233,6 @@ static void
lm78_smbus_write_byte(uint8_t addr, uint8_t val, void *priv)
{
lm78_t *dev = (lm78_t *) priv;
dev->addr_register = val;
}
@@ -276,8 +241,7 @@ 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, 0);
lm78_write(dev, cmd, val, dev->active_bank);
}
@@ -285,60 +249,23 @@ static void
lm78_smbus_write_word_cmd(uint8_t addr, uint8_t cmd, uint16_t val, void *priv)
{
lm78_t *dev = (lm78_t *) priv;
uint8_t valhi = (val >> 8);
uint8_t vallo = (val & 0xff);
uint8_t bank = 0;
if ((dev->local & LM78_WINBOND) && ((addr == dev->smbus_addr_temp2) || (addr == dev->smbus_addr_temp3))) {
if (addr == dev->smbus_addr_temp2)
bank = 2;
else
bank = 3;
switch (cmd & 0x3) {
case 0x0: /* temperature */
lm78_write(dev, 0x50, valhi, bank);
lm78_write(dev, 0x51, vallo, bank);
break;
case 0x1: /* configuration */
lm78_write(dev, 0x52, vallo, bank);
break;
case 0x2: /* Thyst */
lm78_write(dev, 0x53, valhi, bank);
lm78_write(dev, 0x54, vallo, bank);
break;
case 0x3: /* Tos */
lm78_write(dev, 0x55, valhi, bank);
lm78_write(dev, 0x56, vallo, bank);
break;
break;
}
return;
}
lm78_write(dev, cmd, vallo, bank);
lm78_write(dev, cmd, val, dev->active_bank);
}
static uint8_t
lm78_write(lm78_t *dev, uint8_t reg, uint8_t val, uint8_t bank)
{
uint8_t remap = 0;
lm75_t *lm75;
if ((dev->local & LM78_WINBOND) && ((reg >> 4) == 0x5) && (bank != 0)) {
/* bank-switched temperature registers */
switch (reg) {
case 0x50: case 0x51:
/* read-only registers */
return 0;
}
lm78_log("LM78: write(%02x, %d, %02x)\n", reg, bank, val);
if (bank == 1)
dev->regs_bank1[reg & 0x7] = val;
else
dev->regs_bank2[reg & 0x7] = val;
goto end;
if (((reg >> 4) == 0x5) && (bank != 0)) {
/* LM75 registers */
lm75 = device_get_priv(dev->lm75[bank - 1]);
if (lm75)
lm75_write(lm75, reg & 0x7, val);
return 1;
}
/* regular registers */
@@ -357,7 +284,7 @@ lm78_write(lm78_t *dev, uint8_t reg, uint8_t val, uint8_t bank)
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 POST RAM to 80-92 */
else if ((reg >= 0x80) && (reg <= 0x92)) /* AS99127F mirrors [0x00:0x12] to [0x80:0x92] */
dev->regs[reg & 0x7f] = val;
else
dev->regs[reg] = val;
@@ -377,8 +304,8 @@ lm78_write(lm78_t *dev, uint8_t reg, uint8_t val, uint8_t bank)
case 0x48:
/* set main SMBus address */
if (dev->local & LM78_SMBUS) {
dev->smbus_addr_main = (dev->regs[0x48] & 0x7f);
remap = 1;
dev->smbus_addr = (dev->regs[0x48] & 0x7f);
lm78_remap(dev);
}
break;
case 0x49:
@@ -394,18 +321,16 @@ lm78_write(lm78_t *dev, uint8_t reg, uint8_t val, uint8_t bank)
}
break;
case 0x4a:
/* set TEMP2 and TEMP3 SMBus addresses (Winbond only) */
/* set LM75 SMBus addresses (Winbond only) */
if (dev->local & LM78_SMBUS) {
/* DIS_T2 and DIS_T3 bit disable those interfaces */
if (dev->regs[0x4a] & 0x08)
dev->smbus_addr_temp2 = 0x00;
else
dev->smbus_addr_temp2 = (0x48 + (dev->regs[0x4a] & 0x7));
if (dev->regs[0x4a] & 0x80)
dev->smbus_addr_temp3 = 0x00;
else
dev->smbus_addr_temp3 = (0x48 + ((dev->regs[0x4a] >> 4) & 0x7));
remap = 1;
for (uint8_t i = 0; i <= 1; i++) {
lm75 = device_get_priv(dev->lm75[i]);
if (dev->regs[0x4a] & (0x08 * (0x10 * i))) /* DIS_T2 and DIS_T3 bit disable those interfaces */
lm75->smbus_addr = 0x00;
else
lm75->smbus_addr = (0x48 + ((dev->regs[0x4a] >> (i * 4)) & 0x7));
lm75_remap(lm75);
}
}
break;
case 0x4b:
@@ -426,12 +351,6 @@ lm78_write(lm78_t *dev, uint8_t reg, uint8_t val, uint8_t bank)
break;
}
if (remap)
lm78_remap(dev);
end:
lm78_log("LM78: write(%02x, %d) = %02x\n", reg, bank, val);
return 1;
}
@@ -441,8 +360,6 @@ 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 */
memset(dev->regs_bank1, 0, 6);
memset(dev->regs_bank2, 0, 6);
uint8_t i;
for (i = 0; i <= 6; i++)
@@ -455,20 +372,14 @@ lm78_reset(lm78_t *dev, uint8_t initialization)
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_main = 0x2d;
dev->regs[0x48] = dev->smbus_addr_main;
if (dev->local & LM78_WINBOND) {
dev->smbus_addr = 0x2d;
dev->regs[0x48] = dev->smbus_addr;
if (dev->local & LM78_WINBOND)
dev->regs[0x4a] = 0x01;
dev->smbus_addr_temp2 = (0x48 + (dev->regs[0x4a] & 0x7));
dev->smbus_addr_temp3 = (0x48 + ((dev->regs[0x4a] >> 4) & 0x7));
} else {
dev->smbus_addr_temp2 = dev->smbus_addr_temp3 = 0x00;
}
} else {
dev->regs[0x48] = 0x00;
if (dev->local & LM78_WINBOND)
dev->regs[0x4a] = 0x88;
dev->smbus_addr_temp2 = dev->smbus_addr_temp3 = 0x00;
}
if (dev->local & LM78_WINBOND) {
dev->regs[0x49] = 0x02;
@@ -480,17 +391,15 @@ lm78_reset(lm78_t *dev, uint8_t initialization)
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 set 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.
*/
/* 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 */
dev->regs[0x01] = dev->regs[0x23]; /* appears to mirror IN3 */
dev->regs[0x02] = LM78_VOLTAGE_TO_REG(2800); /* appears to be a "maximum VCORE" of some kind; mirrors VCORE on the P4 board, but the P3 boards require this to read 2.8V */
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;
dev->regs[0x04] = dev->regs[0x23]; /* appears to mirror IN3 */
dev->regs[0x05] = dev->regs[0x22]; /* appears to mirror IN2 */
@@ -513,19 +422,6 @@ lm78_reset(lm78_t *dev, uint8_t initialization)
} else {
dev->regs[0x58] = 0x10;
}
/* WARNING: Array elements are register - 0x50. */
uint16_t temp;
temp = LM78_TEMP_TO_REG(dev->values->temperatures[1]);
dev->regs_bank1[0x0] = (temp >> 8);
dev->regs_bank1[0x1] = (temp & 0xff);
dev->regs_bank1[0x3] = 0x4b;
dev->regs_bank1[0x5] = 0x50;
temp = LM78_TEMP_TO_REG(dev->values->temperatures[2]);
dev->regs_bank2[0x0] = (temp >> 8);
dev->regs_bank2[0x1] = (temp & 0xff);
dev->regs_bank2[0x3] = 0x4b;
dev->regs_bank2[0x5] = 0x50;
} else {
dev->regs[0x49] = 0x40;
}
@@ -541,7 +437,7 @@ lm78_close(void *priv)
uint16_t isa_io = (dev->local & 0xffff);
if (isa_io)
io_removehandler(isa_io, 2, lm78_isa_read, NULL, NULL, lm78_isa_write, NULL, NULL, dev);
io_removehandler(isa_io, 8, lm78_isa_read, NULL, NULL, lm78_isa_write, NULL, NULL, dev);
free(dev);
}
@@ -555,11 +451,26 @@ lm78_init(const device_t *info)
dev->local = info->local;
dev->values = hwm_get_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, 2, lm78_isa_read, NULL, NULL, lm78_isa_write, NULL, NULL, dev);
io_sethandler(isa_io, 8, lm78_isa_read, NULL, NULL, lm78_isa_write, NULL, NULL, dev);
return dev;
}
@@ -569,7 +480,7 @@ lm78_init(const device_t *info)
const device_t lm78_device = {
"National Semiconductor LM78 Hardware Monitor",
DEVICE_ISA,
0x295 | LM78_SMBUS,
0x290 | LM78_SMBUS,
lm78_init, lm78_close, NULL,
NULL, NULL, NULL,
NULL
@@ -580,7 +491,7 @@ const device_t lm78_device = {
const device_t w83781d_device = {
"Winbond W83781D Hardware Monitor",
DEVICE_ISA,
0x295 | LM78_SMBUS | LM78_W83781D,
0x290 | LM78_SMBUS | LM78_W83781D,
lm78_init, lm78_close, NULL,
NULL, NULL, NULL,
NULL

19
src/include/86box/hwm.h
View File

@@ -27,10 +27,29 @@ typedef struct _hwm_values_ {
uint16_t voltages[8];
} hwm_values_t;
typedef struct {
uint32_t local;
hwm_values_t *values;
uint8_t regs[8];
uint8_t addr_register;
uint8_t temp_idx;
uint8_t smbus_addr;
uint8_t as99127f_smbus_addr;
} lm75_t;
extern void hwm_set_values(hwm_values_t new_values);
extern hwm_values_t* hwm_get_values();
extern void lm75_remap(lm75_t *dev);
extern uint8_t lm75_read(lm75_t *dev, uint8_t reg);
extern uint8_t lm75_write(lm75_t *dev, uint8_t reg, uint8_t val);
extern const device_t lm75_1_4a_device;
extern const device_t lm75_w83781d_device;
extern const device_t lm78_device;
extern const device_t w83781d_device;

2
src/machine/m_at_slot1.c
View File

@@ -214,7 +214,7 @@ machine_at_p3bf_init(const machine_t *model)
3000 /* Power */
}, { /* temperatures */
30, /* MB */
0, /* unused */
30, /* JTPWR */
30 /* CPU */
}, { /* voltages */
2050, /* VCORE (2.05V by default) */

2
src/machine/m_at_socket370.c
View File

@@ -135,7 +135,7 @@ machine_at_cubx_init(const machine_t *model)
3000 /* Power */
}, { /* temperatures */
30, /* MB */
0, /* unused */
30, /* JTPWR */
30 /* CPU */
}, { /* voltages */
2050, /* VCORE (2.05V by default) */

4
src/machine/m_at_socket7_s7.c
View File

@@ -847,7 +847,8 @@ machine_at_p5mms98_init(const machine_t *model)
3000, /* CPU */
3000 /* Chassis */
}, { /* temperatures */
28 /* CPU (locked at 28?) */
0, /* unused */
30 /* CPU */
}, { /* voltages */
3300, /* VCORE (3.3V by default) */
3300, /* VIO (3.3V) */
@@ -873,6 +874,7 @@ machine_at_p5mms98_init(const machine_t *model)
}
hwm_set_values(machine_hwm);
device_add(&lm78_device);
device_add(&lm75_1_4a_device);
return ret;
}

2
src/win/Makefile.mingw
View File

@@ -535,7 +535,7 @@ MCHOBJ := machine.o machine_table.o \
m_at_socket4_5.o m_at_socket7_s7.o m_at_super7_ss7.o \
m_at_socket8.o m_at_slot1.o m_at_slot2.o m_at_socket370.o
DEVOBJ := bugger.o hwm.o hwm_lm78.o ibm_5161.o isamem.o isartc.o lpt.o postcard.o $(SERIAL) \
DEVOBJ := bugger.o hwm.o hwm_lm75.o hwm_lm78.o ibm_5161.o isamem.o isartc.o lpt.o postcard.o $(SERIAL) \
sio_detect.o sio_acc3221.o \
sio_f82c710.o \
sio_fdc37c66x.o sio_fdc37c669.o \

2
src/win/Makefile_ndr.mingw
View File

@@ -539,7 +539,7 @@ MCHOBJ := machine.o machine_table.o \
m_at_socket4_5.o m_at_socket7_s7.o m_at_super7_ss7.o \
m_at_socket8.o m_at_slot1.o m_at_slot2.o m_at_socket370.o
DEVOBJ := bugger.o hwm.o hwm_lm78.o ibm_5161.o isamem.o isartc.o lpt.o postcard.o $(SERIAL) \
DEVOBJ := bugger.o hwm.o hwm_lm75.o hwm_lm78.o ibm_5161.o isamem.o isartc.o lpt.o postcard.o $(SERIAL) \
sio_acc3221.o \
sio_f82c710.o \
sio_fdc37c66x.o sio_fdc37c669.o \