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More LM78 cleanups

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This commit is contained in:
RichardG867
2020-11-10 21:41:44 -03:00
parent 7eec9cb99a
commit d4c6feed3a
1 changed files with 21 additions and 18 deletions
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25
src/device/hwm_lm78.c
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@@ -42,6 +42,8 @@
#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)))
#define LM78_NEG_VOLTAGE2(v, r) (((3600 + v) * (((double) r) / (((double) r) + 56.0))) - v)
typedef struct {
@@ -476,7 +478,7 @@ lm78_close(void *priv)
{
lm78_t *dev = (lm78_t *) priv;
uint16_t isa_io = (dev->local & 0xffff);
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);
@@ -492,7 +494,7 @@ lm78_init(const device_t *info)
dev->local = info->local;
/* Set default values. */
/* Set global default values. */
hwm_values_t defaults = {
{ /* fan speeds */
3000, /* usually Chassis, sometimes CPU */
@@ -508,20 +510,21 @@ lm78_init(const device_t *info)
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) */
12000 * (604.0 / 2100.0), /* -12V (Rf/Rin negative voltage formula from the W83781D datasheet) */
5000 * (604.0 / 909.0), /* -5V (Rf/Rin negative voltage formula from the W83781D datasheet) */
LM78_NEG_VOLTAGE(12000, 2100), /* -12V (Rf/Rin negative voltage formula from the W83781D datasheet) */
LM78_NEG_VOLTAGE(5000, 909), /* -5V (Rf/Rin negative voltage formula from the W83781D datasheet) */
RESISTOR_DIVIDER(5000, 51, 75), /* W83782D only: +5VSB (5.1K/7.5K divider suggested in the datasheet) */
3000 /* W83782D only: VBAT */
}
};
/* Set per-chip defaults. */
/* Set chip-specific default values. */
if (dev->local & LM78_AS99127F) {
defaults.voltages[5] = 12000 * (604.0 / 2400.0); /* different -12V Rin value for AS99127F (bruteforced) */
/* different -12V Rin value for AS99127F (bruteforced) */
defaults.voltages[5] = LM78_NEG_VOLTAGE(12000, 2400);
} else if (dev->local & LM78_W83782D) {
/* different negative voltage formula for W83782D (from the datasheet) */
defaults.voltages[5] = ((3600 + 12000) * (232.0 / (232.0 + 56.0))) - 12000;
defaults.voltages[6] = ((3600 + 5000) * (120.0 / (120.0 + 56.0))) - 5000;
defaults.voltages[5] = LM78_NEG_VOLTAGE2(12000, 232);
defaults.voltages[6] = LM78_NEG_VOLTAGE2(5000, 120);
}
hwm_values = defaults;
@@ -532,9 +535,9 @@ lm78_init(const device_t *info)
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);
dev->lm75[i]->local = (i + 1) << 8;
if (dev->local & LM78_SMBUS)
dev->lm75[i]->local |= (0x48 + i);
dev->lm75[i]->local |= 0x48 + i;
device_add(dev->lm75[i]);
} else {
dev->lm75[i] = NULL;
@@ -543,7 +546,7 @@ lm78_init(const device_t *info)
lm78_reset(dev, 0);
uint16_t isa_io = (dev->local & 0xffff);
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);