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hwmon: (it87) Add support for VIN7 to VIN10 on IT8620E

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IT8620E supports three additional voltage sensors.

Tested-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Guenter Roeck 2015-04-01 20:09:36 -07:00
parent 559313c4e9
commit f838aa2611
1 changed files with 24 additions and 5 deletions
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29
drivers/hwmon/it87.c
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@ -219,7 +219,12 @@ static bool fix_pwm_polarity;
#define IT87_REG_FAN_DIV 0x0b
#define IT87_REG_FAN_16BIT 0x0c
/* Monitors: 9 voltage (0 to 7, battery), 6 temp (1 to 6), 3 fan (1 to 3) */
/*
* Monitors:
* - up to 13 voltage (0 to 7, battery, avcc, 10 to 12)
* - up to 6 temp (1 to 6)
* - up to 6 fan (1 to 6)
*/
static const u8 IT87_REG_FAN[] = { 0x0d, 0x0e, 0x0f, 0x80, 0x82, 0x4c };
static const u8 IT87_REG_FAN_MIN[] = { 0x10, 0x11, 0x12, 0x84, 0x86, 0x4e };
@ -233,7 +238,7 @@ static const u8 IT87_REG_PWM[] = { 0x15, 0x16, 0x17, 0x7f, 0xa7, 0xaf };
static const u8 IT87_REG_PWM_DUTY[] = { 0x63, 0x6b, 0x73, 0x7b, 0xa3, 0xab };
static const u8 IT87_REG_VIN[] = { 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26,
0x27, 0x28, 0x2f };
0x27, 0x28, 0x2f, 0x2c, 0x2d, 0x2e };
#define IT87_REG_TEMP(nr) (0x29 + (nr))
@ -478,7 +483,7 @@ struct it87_data {
u16 in_scaled; /* Internal voltage sensors are scaled */
u16 in_internal; /* Bitfield, internal sensors (for labels) */
u16 has_in; /* Bitfield, voltage sensors enabled */
u8 in[10][3]; /* [nr][0]=in, [1]=min, [2]=max */
u8 in[13][3]; /* [nr][0]=in, [1]=min, [2]=max */
u8 has_fan; /* Bitfield, fans enabled */
u16 fan[6][2]; /* Register values, [nr][0]=fan, [1]=min */
u8 has_temp; /* Bitfield, temp sensors enabled */
@ -861,6 +866,9 @@ static SENSOR_DEVICE_ATTR_2(in7_max, S_IRUGO | S_IWUSR, show_in, set_in,
static SENSOR_DEVICE_ATTR_2(in8_input, S_IRUGO, show_in, NULL, 8, 0);
static SENSOR_DEVICE_ATTR_2(in9_input, S_IRUGO, show_in, NULL, 9, 0);
static SENSOR_DEVICE_ATTR_2(in10_input, S_IRUGO, show_in, NULL, 10, 0);
static SENSOR_DEVICE_ATTR_2(in11_input, S_IRUGO, show_in, NULL, 11, 0);
static SENSOR_DEVICE_ATTR_2(in12_input, S_IRUGO, show_in, NULL, 12, 0);
/* Up to 6 temperatures */
static ssize_t show_temp(struct device *dev, struct device_attribute *attr,
@ -1764,7 +1772,7 @@ static umode_t it87_in_is_visible(struct kobject *kobj,
int i = index / 5; /* voltage index */
int a = index % 5; /* attribute index */
if (index >= 40) { /* in8, in9 only have input attributes */
if (index >= 40) { /* in8 and higher only have input attributes */
i = index - 40 + 8;
a = 0;
}
@ -1828,8 +1836,10 @@ static struct attribute *it87_attributes_in[] = {
&sensor_dev_attr_in7_beep.dev_attr.attr, /* 39 */
&sensor_dev_attr_in8_input.dev_attr.attr, /* 40 */
&sensor_dev_attr_in9_input.dev_attr.attr, /* 41 */
&sensor_dev_attr_in10_input.dev_attr.attr, /* 41 */
&sensor_dev_attr_in11_input.dev_attr.attr, /* 41 */
&sensor_dev_attr_in12_input.dev_attr.attr, /* 41 */
};
static const struct attribute_group it87_group_in = {
@ -2738,12 +2748,21 @@ static int it87_probe(struct platform_device *pdev)
if (has_six_temp(data)) {
u8 reg = it87_read_value(data, IT87_REG_TEMP456_ENABLE);
/* Check for additional temperature sensors */
if ((reg & 0x03) >= 0x02)
data->has_temp |= (1 << 3);
if (((reg >> 2) & 0x03) >= 0x02)
data->has_temp |= (1 << 4);
if (((reg >> 4) & 0x03) >= 0x02)
data->has_temp |= (1 << 5);
/* Check for additional voltage sensors */
if ((reg & 0x03) == 0x01)
data->has_in |= (1 << 10);
if (((reg >> 2) & 0x03) == 0x01)
data->has_in |= (1 << 11);
if (((reg >> 4) & 0x03) == 0x01)
data->has_in |= (1 << 12);
}
data->has_beep = !!sio_data->beep_pin;