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hwmon: (it87) Introduce feature flag to reflect internal in7 sensor

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On some chips, in7 is always an internal voltage sensor. Introduce
feature flag to reflect this condition to simplify adding support
for new chips.

Reviewed-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Guenter Roeck 2015-03-26 08:49:18 -07:00
parent faf392fb84
commit 7f5726c39a
1 changed files with 16 additions and 11 deletions
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27
drivers/hwmon/it87.c
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@ -258,6 +258,7 @@ struct it87_devices {
#define FEAT_FAN16_CONFIG (1 << 7) /* Need to enable 16-bit fans */
#define FEAT_FIVE_FANS (1 << 8) /* Supports five fans */
#define FEAT_VID (1 << 9) /* Set if chip supports VID */
#define FEAT_IN7_INTERNAL (1 << 10) /* Set if in7 is internal */
static const struct it87_devices it87_devices[] = {
[it87] = {
@ -296,7 +297,7 @@ static const struct it87_devices it87_devices[] = {
.suffix = "F",
.features = FEAT_NEWER_AUTOPWM | FEAT_12MV_ADC | FEAT_16BIT_FANS
| FEAT_TEMP_OFFSET | FEAT_TEMP_OLD_PECI | FEAT_TEMP_PECI
| FEAT_FAN16_CONFIG | FEAT_FIVE_FANS,
| FEAT_FAN16_CONFIG | FEAT_FIVE_FANS | FEAT_IN7_INTERNAL,
.peci_mask = 0x05,
.old_peci_mask = 0x02, /* Actually reports PCH */
},
@ -304,14 +305,15 @@ static const struct it87_devices it87_devices[] = {
.name = "it8728",
.suffix = "F",
.features = FEAT_NEWER_AUTOPWM | FEAT_12MV_ADC | FEAT_16BIT_FANS
| FEAT_TEMP_OFFSET | FEAT_TEMP_PECI | FEAT_FIVE_FANS,
| FEAT_TEMP_OFFSET | FEAT_TEMP_PECI | FEAT_FIVE_FANS
| FEAT_IN7_INTERNAL,
.peci_mask = 0x07,
},
[it8771] = {
.name = "it8771",
.suffix = "E",
.features = FEAT_NEWER_AUTOPWM | FEAT_12MV_ADC | FEAT_16BIT_FANS
| FEAT_TEMP_OFFSET | FEAT_TEMP_PECI,
| FEAT_TEMP_OFFSET | FEAT_TEMP_PECI | FEAT_IN7_INTERNAL,
/* PECI: guesswork */
/* 12mV ADC (OHM) */
/* 16 bit fans (OHM) */
@ -322,7 +324,7 @@ static const struct it87_devices it87_devices[] = {
.name = "it8772",
.suffix = "E",
.features = FEAT_NEWER_AUTOPWM | FEAT_12MV_ADC | FEAT_16BIT_FANS
| FEAT_TEMP_OFFSET | FEAT_TEMP_PECI,
| FEAT_TEMP_OFFSET | FEAT_TEMP_PECI | FEAT_IN7_INTERNAL,
/* PECI (coreboot) */
/* 12mV ADC (HWSensors4, OHM) */
/* 16 bit fans (HWSensors4, OHM) */
@ -354,14 +356,14 @@ static const struct it87_devices it87_devices[] = {
.name = "it8786",
.suffix = "E",
.features = FEAT_NEWER_AUTOPWM | FEAT_12MV_ADC | FEAT_16BIT_FANS
| FEAT_TEMP_OFFSET | FEAT_TEMP_PECI,
| FEAT_TEMP_OFFSET | FEAT_TEMP_PECI | FEAT_IN7_INTERNAL,
.peci_mask = 0x07,
},
[it8603] = {
.name = "it8603",
.suffix = "E",
.features = FEAT_NEWER_AUTOPWM | FEAT_12MV_ADC | FEAT_16BIT_FANS
| FEAT_TEMP_OFFSET | FEAT_TEMP_PECI,
| FEAT_TEMP_OFFSET | FEAT_TEMP_PECI | FEAT_IN7_INTERNAL,
.peci_mask = 0x07,
},
};
@ -379,6 +381,7 @@ static const struct it87_devices it87_devices[] = {
#define has_fan16_config(data) ((data)->features & FEAT_FAN16_CONFIG)
#define has_five_fans(data) ((data)->features & FEAT_FIVE_FANS)
#define has_vid(data) ((data)->features & FEAT_VID)
#define has_in7_internal(data) ((data)->features & FEAT_IN7_INTERNAL)
struct it87_sio_data {
enum chips type;
@ -1860,8 +1863,13 @@ static int __init it87_find(unsigned short *address,
it87_devices[sio_data->type].suffix,
*address, sio_data->revision);
/* in7 (VSB or VCCH5V) is always internal on some chips */
if (it87_devices[sio_data->type].features & FEAT_IN7_INTERNAL)
sio_data->internal |= (1 << 1);
/* in8 (Vbat) is always internal */
sio_data->internal = (1 << 2);
sio_data->internal |= (1 << 2);
/* Only the IT8603E has in9 */
if (sio_data->type != it8603)
sio_data->skip_in |= (1 << 9);
@ -1962,7 +1970,6 @@ static int __init it87_find(unsigned short *address,
sio_data->skip_in |= (1 << 5); /* No VIN5 */
sio_data->skip_in |= (1 << 6); /* No VIN6 */
sio_data->internal |= (1 << 1); /* in7 is VSB */
sio_data->internal |= (1 << 3); /* in9 is AVCC */
sio_data->beep_pin = superio_inb(IT87_SIO_BEEP_PIN_REG) & 0x3f;
@ -2023,9 +2030,7 @@ static int __init it87_find(unsigned short *address,
}
if (reg & (1 << 0))
sio_data->internal |= (1 << 0);
if ((reg & (1 << 1)) || sio_data->type == it8721 ||
sio_data->type == it8728 || sio_data->type == it8771 ||
sio_data->type == it8772 || sio_data->type == it8786)
if (reg & (1 << 1))
sio_data->internal |= (1 << 1);
/*