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Subject[PATCH v5 08/11] hwmon: (w83627ehf) Add support for Nuvoton NCT6775F and NCT6776F
Date
This patch adds support for NCT6775F and NCT6776F to the w83627ehf driver.

Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
Tested-by: Ian Dobson <i.dobson@planet-ian.com> (for NCT6776F)
---
Documentation/hwmon/w83627ehf | 59 +++-
drivers/hwmon/w83627ehf.c | 791 +++++++++++++++++++++++++++++++++-------
2 files changed, 694 insertions(+), 156 deletions(-)
diff --git a/Documentation/hwmon/w83627ehf b/Documentation/hwmon/w83627ehf
index b634e98..76ffef9 100644
--- a/Documentation/hwmon/w83627ehf
+++ b/Documentation/hwmon/w83627ehf
@@ -22,6 +22,14 @@ Supported chips:
Prefix: 'w83667hg'
Addresses scanned: ISA address retrieved from Super I/O registers
Datasheet: Available from Nuvoton upon request
+ * Nuvoton NCT6775F/W83667HG-I
+ Prefix: 'nct6775'
+ Addresses scanned: ISA address retrieved from Super I/O registers
+ Datasheet: Available from Nuvoton upon request
+ * Nuvoton NCT6776F
+ Prefix: 'nct6776'
+ Addresses scanned: ISA address retrieved from Super I/O registers
+ Datasheet: Available from Nuvoton upon request

Authors:
Jean Delvare <khali@linux-fr.org>
@@ -34,24 +42,28 @@ Description
-----------

This driver implements support for the Winbond W83627EHF, W83627EHG,
-W83627DHG, W83627DHG-P, W83667HG and W83667HG-B super I/O chips.
-We will refer to them collectively as Winbond chips.
-
-The chips implement three temperature sensors (up to four for 667HG-B),
-five fan rotation speed sensors, ten analog voltage sensors (only nine for the
-627DHG), one VID (6 pins for the 627EHF/EHG, 8 pins for the 627DHG and 667HG),
-alarms with beep warnings (control unimplemented), and some automatic fan
-regulation strategies (plus manual fan control mode).
-
-The temperature sensor sources on W82677HG-B are configurable. temp4 is only
-reported if its temperature source differs from the temperature sources of the
-other three temperature sensors. The configured source for each of the
-temperature sensors is reported in tempX_label.
+W83627DHG, W83627DHG-P, W83667HG, W83667HG-B, W83667HG-I (NCT6775F),
+and NCT6776F super I/O chips. We will refer to them collectively as
+Winbond chips.
+
+The chips implement three temperature sensors (up to four for 667HG-B, and nine
+for NCT6775F and NCT6776F), five fan rotation speed sensors, ten analog voltage
+sensors (only nine for the 627DHG), one VID (6 pins for the 627EHF/EHG, 8 pins
+for the 627DHG and 667HG), alarms with beep warnings (control unimplemented),
+and some automatic fan regulation strategies (plus manual fan control mode).
+
+The temperature sensor sources on W82677HG-B, NCT6775F, and NCT6776F are
+configurable. temp4 and higher attributes are only reported if its temperature
+source differs from the temperature sources of the already reported temperature
+sensors. The configured source for each of the temperature sensors is provided
+in tempX_label.

Temperatures are measured in degrees Celsius and measurement resolution is 1
-degC for temp1 and temp4, and 0.5 degC for temp2 and temp3. An alarm is
-triggered when the temperature gets higher than high limit; it stays on until
-the temperature falls below the hysteresis value.
+degC for temp1 and and 0.5 degC for temp2 and temp3. For temp4 and higher,
+resolution is 1 degC for W83667HG-B and 0.0 degC for NCT6775F and NCT6776F.
+An alarm is triggered when the temperature gets higher than high limit;
+it stays on until the temperature falls below the hysteresis value.
+Alarms are only supported for temp1, temp2, and temp3.

Fan rotation speeds are reported in RPM (rotations per minute). An alarm is
triggered if the rotation speed has dropped below a programmable limit. Fan
@@ -83,7 +95,8 @@ prog -> pwm4 (not on 667HG and 667HG-B; the programmable setting is not

name - this is a standard hwmon device entry. For the W83627EHF and W83627EHG,
it is set to "w83627ehf", for the W83627DHG it is set to "w83627dhg",
- and for the W83667HG it is set to "w83667hg".
+ for the W83667HG and W83667HG-B it is set to "w83667hg", for NCT6775F it
+ is set to "nct6775", and for NCT6776F it is set to "nct6776".

pwm[1-4] - this file stores PWM duty cycle or DC value (fan speed) in range:
0 (stop) to 255 (full)
@@ -93,6 +106,18 @@ pwm[1-4]_enable - this file controls mode of fan/temperature control:
* 2 "Thermal Cruise" mode
* 3 "Fan Speed Cruise" mode
* 4 "Smart Fan III" mode
+ * 5 "Smart Fan IV" mode
+
+ SmartFan III mode is not supported on NCT6776F.
+
+ SmartFan IV mode is configurable only if it was configured at system
+ startup, and is only supported for W83677HG-B, NCT6775F, and NCT6776F.
+ SmartFan IV operational parameters can not be configured at this time,
+ and the various pwm attributes are not used in SmartFan IV mode.
+ The attributes can be written to, which is useful if you plan to
+ configure the system for a different pwm mode. However, the information
+ returned when reading pwm attributes is unrelated to SmartFan IV
+ operation.

pwm[1-4]_mode - controls if output is PWM or DC level
* 0 DC output (0 - 12v)
diff --git a/drivers/hwmon/w83627ehf.c b/drivers/hwmon/w83627ehf.c
index 2f17f99..b3b4f2b 100644
--- a/drivers/hwmon/w83627ehf.c
+++ b/drivers/hwmon/w83627ehf.c
@@ -6,6 +6,7 @@
Rudolf Marek <r.marek@assembler.cz>
David Hubbard <david.c.hubbard@gmail.com>
Daniel J Blueman <daniel.blueman@gmail.com>
+ Copyright (C) 2010 Sheng-Yuan Huang (Nuvoton) (PS00)

Shamelessly ripped from the w83627hf driver
Copyright (C) 2003 Mark Studebaker
@@ -40,6 +41,8 @@
w83627dhg-p 9 5 4 3 0xb070 0xc1 0x5ca3
w83667hg 9 5 3 3 0xa510 0xc1 0x5ca3
w83667hg-b 9 5 3 4 0xb350 0xc1 0x5ca3
+ nct6775f 9 4 3 9 0xb470 0xc1 0x5ca3
+ nct6776f 9 5 3 9 0xC330 0xc1 0x5ca3
*/

#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
@@ -58,7 +61,8 @@
#include <linux/io.h>
#include "lm75.h"

-enum kinds { w83627ehf, w83627dhg, w83627dhg_p, w83667hg, w83667hg_b };
+enum kinds { w83627ehf, w83627dhg, w83627dhg_p, w83667hg, w83667hg_b, nct6775,
+ nct6776 };

/* used to set data->name = w83627ehf_device_names[data->sio_kind] */
static const char * const w83627ehf_device_names[] = {
@@ -67,6 +71,8 @@ static const char * const w83627ehf_device_names[] = {
"w83627dhg",
"w83667hg",
"w83667hg",
+ "nct6775",
+ "nct6776",
};

static unsigned short force_id;
@@ -96,6 +102,8 @@ MODULE_PARM_DESC(force_id, "Override the detected device ID");
#define SIO_W83627DHG_P_ID 0xb070
#define SIO_W83667HG_ID 0xa510
#define SIO_W83667HG_B_ID 0xb350
+#define SIO_NCT6775_ID 0xb470
+#define SIO_NCT6776_ID 0xc330
#define SIO_ID_MASK 0xFFF0

static inline void
@@ -176,6 +184,10 @@ static const u16 W83627EHF_REG_TEMP_CONFIG[] = { 0, 0x152, 0x252, 0 };
#define W83627EHF_REG_DIODE 0x59
#define W83627EHF_REG_SMI_OVT 0x4C

+/* NCT6775F has its own fan divider registers */
+#define NCT6775_REG_FANDIV1 0x506
+#define NCT6775_REG_FANDIV2 0x507
+
#define W83627EHF_REG_ALARM1 0x459
#define W83627EHF_REG_ALARM2 0x45A
#define W83627EHF_REG_ALARM3 0x45B
@@ -214,6 +226,28 @@ static const u16 W83627EHF_REG_FAN_MAX_OUTPUT_W83667_B[] = { 0x67, 0x69, 0x6b };
static const u16 W83627EHF_REG_FAN_STEP_OUTPUT_W83667_B[]
= { 0x68, 0x6a, 0x6c };

+static const u16 NCT6775_REG_TARGET[] = { 0x101, 0x201, 0x301 };
+static const u16 NCT6775_REG_FAN_MODE[] = { 0x102, 0x202, 0x302 };
+static const u16 NCT6775_REG_FAN_STOP_OUTPUT[] = { 0x105, 0x205, 0x305 };
+static const u16 NCT6775_REG_FAN_START_OUTPUT[] = { 0x106, 0x206, 0x306 };
+static const u16 NCT6775_REG_FAN_STOP_TIME[] = { 0x107, 0x207, 0x307 };
+static const u16 NCT6775_REG_PWM[] = { 0x109, 0x209, 0x309 };
+static const u16 NCT6775_REG_FAN_MAX_OUTPUT[] = { 0x10a, 0x20a, 0x30a };
+static const u16 NCT6775_REG_FAN_STEP_OUTPUT[] = { 0x10b, 0x20b, 0x30b };
+static const u16 NCT6776_REG_FAN[] = { 0x630, 0x632, 0x634, 0x636, 0x638 };
+static const u16 NCT6776_REG_FAN_MIN[] = { 0x63a, 0x63c, 0x63e, 0x640, 0x642};
+
+static const u16 NCT6775_REG_TEMP[]
+ = { 0x27, 0x150, 0x250, 0x73, 0x75, 0x77, 0x62b, 0x62c, 0x62d };
+static const u16 NCT6775_REG_TEMP_CONFIG[]
+ = { 0, 0x152, 0x252, 0, 0, 0, 0x628, 0x629, 0x62A };
+static const u16 NCT6775_REG_TEMP_HYST[]
+ = { 0x3a, 0x153, 0x253, 0, 0, 0, 0x673, 0x678, 0x67D };
+static const u16 NCT6775_REG_TEMP_OVER[]
+ = { 0x39, 0x155, 0x255, 0, 0, 0, 0x672, 0x677, 0x67C };
+static const u16 NCT6775_REG_TEMP_SOURCE[]
+ = { 0x621, 0x622, 0x623, 0x100, 0x200, 0x300, 0x624, 0x625, 0x626 };
+
static const char *const w83667hg_b_temp_label[] = {
"SYSTIN",
"CPUTIN",
@@ -225,15 +259,71 @@ static const char *const w83667hg_b_temp_label[] = {
"PECI Agent 4"
};

-#define NUM_REG_TEMP 4
+static const char *const nct6775_temp_label[] = {
+ "",
+ "SYSTIN",
+ "CPUTIN",
+ "AUXTIN",
+ "AMD SB-TSI",
+ "PECI Agent 0",
+ "PECI Agent 1",
+ "PECI Agent 2",
+ "PECI Agent 3",
+ "PECI Agent 4",
+ "PECI Agent 5",
+ "PECI Agent 6",
+ "PECI Agent 7",
+ "PCH_CHIP_CPU_MAX_TEMP",
+ "PCH_CHIP_TEMP",
+ "PCH_CPU_TEMP",
+ "PCH_MCH_TEMP",
+ "PCH_DIM0_TEMP",
+ "PCH_DIM1_TEMP",
+ "PCH_DIM2_TEMP",
+ "PCH_DIM3_TEMP"
+};
+
+static const char *const nct6776_temp_label[] = {
+ "",
+ "SYSTIN",
+ "CPUTIN",
+ "AUXTIN",
+ "SMBUSMASTER 0",
+ "SMBUSMASTER 1",
+ "SMBUSMASTER 2",
+ "SMBUSMASTER 3",
+ "SMBUSMASTER 4",
+ "SMBUSMASTER 5",
+ "SMBUSMASTER 6",
+ "SMBUSMASTER 7",
+ "PECI Agent 0",
+ "PECI Agent 1",
+ "PCH_CHIP_CPU_MAX_TEMP",
+ "PCH_CHIP_TEMP",
+ "PCH_CPU_TEMP",
+ "PCH_MCH_TEMP",
+ "PCH_DIM0_TEMP",
+ "PCH_DIM1_TEMP",
+ "PCH_DIM2_TEMP",
+ "PCH_DIM3_TEMP",
+ "BYTE_TEMP"
+};
+
+#define NUM_REG_TEMP ARRAY_SIZE(NCT6775_REG_TEMP)

static inline int is_word_sized(u16 reg)
{
- return (((reg & 0xff00) == 0x100
+ return ((((reg & 0xff00) == 0x100
|| (reg & 0xff00) == 0x200)
&& ((reg & 0x00ff) == 0x50
|| (reg & 0x00ff) == 0x53
- || (reg & 0x00ff) == 0x55));
+ || (reg & 0x00ff) == 0x55))
+ || (reg & 0xfff0) == 0x630
+ || reg == 0x640 || reg == 0x642
+ || ((reg & 0xfff0) == 0x650
+ && (reg & 0x000f) >= 0x06)
+ || reg == 0x73 || reg == 0x75 || reg == 0x77
+ );
}

/*
@@ -253,11 +343,20 @@ static inline u8 step_time_to_reg(unsigned int msec, u8 mode)
}

static inline unsigned int
-fan_from_reg(u8 reg, unsigned int div)
+fan_from_reg(int reg, u16 val, unsigned int div)
{
- if (reg == 0 || reg == 255)
+ if (val == 0)
return 0;
- return 1350000U / (reg * div);
+ if (is_word_sized(reg)) {
+ if ((val & 0xff1f) == 0xff1f)
+ return 0;
+ val = (val & 0x1f) | ((val & 0xff00) >> 3);
+ } else {
+ if (val == 255 || div == 0)
+ return 0;
+ val *= div;
+ }
+ return 1350000U / val;
}

static inline unsigned int
@@ -274,7 +373,7 @@ temp_from_reg(u16 reg, s16 regval)
return regval * 1000;
}

-static inline s16
+static inline u16
temp_to_reg(u16 reg, long temp)
{
if (is_word_sized(reg))
@@ -308,6 +407,10 @@ struct w83627ehf_data {
struct device *hwmon_dev;
struct mutex lock;

+ u16 reg_temp[NUM_REG_TEMP];
+ u16 reg_temp_over[NUM_REG_TEMP];
+ u16 reg_temp_hyst[NUM_REG_TEMP];
+ u16 reg_temp_config[NUM_REG_TEMP];
u8 temp_src[NUM_REG_TEMP];
const char * const *temp_label;

@@ -331,14 +434,15 @@ struct w83627ehf_data {
u8 in[10]; /* Register value */
u8 in_max[10]; /* Register value */
u8 in_min[10]; /* Register value */
- u8 fan[5];
- u8 fan_min[5];
+ u16 fan[5];
+ u16 fan_min[5];
u8 fan_div[5];
u8 has_fan; /* some fan inputs can be disabled */
+ u8 has_fan_min; /* some fans don't have min register */
u8 temp_type[3];
- s16 temp[4];
- s16 temp_max[4];
- s16 temp_max_hyst[4];
+ s16 temp[9];
+ s16 temp_max[9];
+ s16 temp_max_hyst[9];
u32 alarms;

u8 pwm_mode[4]; /* 0->DC variable voltage, 1->PWM variable duty cycle */
@@ -364,7 +468,7 @@ struct w83627ehf_data {
u8 vid;
u8 vrm;

- u8 have_temp;
+ u16 have_temp;
u8 in6_skip;
};

@@ -429,6 +533,34 @@ static int w83627ehf_write_value(struct w83627ehf_data *data, u16 reg,
}

/* This function assumes that the caller holds data->update_lock */
+static void nct6775_write_fan_div(struct w83627ehf_data *data, int nr)
+{
+ u8 reg;
+
+ switch (nr) {
+ case 0:
+ reg = (w83627ehf_read_value(data, NCT6775_REG_FANDIV1) & 0x70)
+ | (data->fan_div[0] & 0x7);
+ w83627ehf_write_value(data, NCT6775_REG_FANDIV1, reg);
+ break;
+ case 1:
+ reg = (w83627ehf_read_value(data, NCT6775_REG_FANDIV1) & 0x7)
+ | ((data->fan_div[1] << 4) & 0x70);
+ w83627ehf_write_value(data, NCT6775_REG_FANDIV1, reg);
+ case 2:
+ reg = (w83627ehf_read_value(data, NCT6775_REG_FANDIV2) & 0x70)
+ | (data->fan_div[2] & 0x7);
+ w83627ehf_write_value(data, NCT6775_REG_FANDIV2, reg);
+ break;
+ case 3:
+ reg = (w83627ehf_read_value(data, NCT6775_REG_FANDIV2) & 0x7)
+ | ((data->fan_div[3] << 4) & 0x70);
+ w83627ehf_write_value(data, NCT6775_REG_FANDIV2, reg);
+ break;
+ }
+}
+
+/* This function assumes that the caller holds data->update_lock */
static void w83627ehf_write_fan_div(struct w83627ehf_data *data, int nr)
{
u8 reg;
@@ -479,6 +611,32 @@ static void w83627ehf_write_fan_div(struct w83627ehf_data *data, int nr)
}
}

+static void w83627ehf_write_fan_div_common(struct device *dev,
+ struct w83627ehf_data *data, int nr)
+{
+ struct w83627ehf_sio_data *sio_data = dev->platform_data;
+
+ if (sio_data->kind == nct6776)
+ ; /* no dividers, do nothing */
+ else if (sio_data->kind == nct6775)
+ nct6775_write_fan_div(data, nr);
+ else
+ w83627ehf_write_fan_div(data, nr);
+}
+
+static void nct6775_update_fan_div(struct w83627ehf_data *data)
+{
+ u8 i;
+
+ i = w83627ehf_read_value(data, NCT6775_REG_FANDIV1);
+ data->fan_div[0] = i & 0x7;
+ data->fan_div[1] = (i & 0x70) >> 4;
+ i = w83627ehf_read_value(data, NCT6775_REG_FANDIV2);
+ data->fan_div[2] = i & 0x7;
+ if (data->has_fan & (1<<3))
+ data->fan_div[3] = (i & 0x70) >> 4;
+}
+
static void w83627ehf_update_fan_div(struct w83627ehf_data *data)
{
int i;
@@ -504,10 +662,79 @@ static void w83627ehf_update_fan_div(struct w83627ehf_data *data)
}
}

+static void w83627ehf_update_fan_div_common(struct device *dev,
+ struct w83627ehf_data *data)
+{
+ struct w83627ehf_sio_data *sio_data = dev->platform_data;
+
+ if (sio_data->kind == nct6776)
+ ; /* no dividers, do nothing */
+ else if (sio_data->kind == nct6775)
+ nct6775_update_fan_div(data);
+ else
+ w83627ehf_update_fan_div(data);
+}
+
+static void nct6775_update_pwm(struct w83627ehf_data *data)
+{
+ int i;
+ int pwmcfg, fanmodecfg;
+
+ for (i = 0; i < data->pwm_num; i++) {
+ pwmcfg = w83627ehf_read_value(data,
+ W83627EHF_REG_PWM_ENABLE[i]);
+ fanmodecfg = w83627ehf_read_value(data,
+ NCT6775_REG_FAN_MODE[i]);
+ data->pwm_mode[i] =
+ ((pwmcfg >> W83627EHF_PWM_MODE_SHIFT[i]) & 1) ? 0 : 1;
+ data->pwm_enable[i] = ((fanmodecfg >> 4) & 7) + 1;
+ data->tolerance[i] = fanmodecfg & 0x0f;
+ data->pwm[i] = w83627ehf_read_value(data, data->REG_PWM[i]);
+ }
+}
+
+static void w83627ehf_update_pwm(struct w83627ehf_data *data)
+{
+ int i;
+ int pwmcfg = 0, tolerance = 0; /* shut up the compiler */
+
+ for (i = 0; i < data->pwm_num; i++) {
+ if (!(data->has_fan & (1 << i)))
+ continue;
+
+ /* pwmcfg, tolerance mapped for i=0, i=1 to same reg */
+ if (i != 1) {
+ pwmcfg = w83627ehf_read_value(data,
+ W83627EHF_REG_PWM_ENABLE[i]);
+ tolerance = w83627ehf_read_value(data,
+ W83627EHF_REG_TOLERANCE[i]);
+ }
+ data->pwm_mode[i] =
+ ((pwmcfg >> W83627EHF_PWM_MODE_SHIFT[i]) & 1) ? 0 : 1;
+ data->pwm_enable[i] = ((pwmcfg >> W83627EHF_PWM_ENABLE_SHIFT[i])
+ & 3) + 1;
+ data->pwm[i] = w83627ehf_read_value(data, data->REG_PWM[i]);
+
+ data->tolerance[i] = (tolerance >> (i == 1 ? 4 : 0)) & 0x0f;
+ }
+}
+
+static void w83627ehf_update_pwm_common(struct device *dev,
+ struct w83627ehf_data *data)
+{
+ struct w83627ehf_sio_data *sio_data = dev->platform_data;
+
+ if (sio_data->kind == nct6775 || sio_data->kind == nct6776)
+ nct6775_update_pwm(data);
+ else
+ w83627ehf_update_pwm(data);
+}
+
static struct w83627ehf_data *w83627ehf_update_device(struct device *dev)
{
struct w83627ehf_data *data = dev_get_drvdata(dev);
- int pwmcfg = 0, tolerance = 0; /* shut up the compiler */
+ struct w83627ehf_sio_data *sio_data = dev->platform_data;
+
int i;

mutex_lock(&data->update_lock);
@@ -515,7 +742,7 @@ static struct w83627ehf_data *w83627ehf_update_device(struct device *dev)
if (time_after(jiffies, data->last_updated + HZ + HZ/2)
|| !data->valid) {
/* Fan clock dividers */
- w83627ehf_update_fan_div(data);
+ w83627ehf_update_fan_div_common(dev, data);

/* Measured voltages and limits */
for (i = 0; i < data->in_num; i++) {
@@ -533,23 +760,29 @@ static struct w83627ehf_data *w83627ehf_update_device(struct device *dev)
continue;

data->fan[i] = w83627ehf_read_value(data,
- data->REG_FAN[i]);
- data->fan_min[i] = w83627ehf_read_value(data,
+ data->REG_FAN[i]);
+
+ if (data->has_fan_min & (1 << i))
+ data->fan_min[i] = w83627ehf_read_value(data,
data->REG_FAN_MIN[i]);

/* If we failed to measure the fan speed and clock
divider can be increased, let's try that for next
time */
- if (data->fan[i] == 0xff
- && data->fan_div[i] < 0x07) {
+ if (!is_word_sized(data->REG_FAN[i])
+ && (data->fan[i] == 0xff
+ || (sio_data->kind == nct6775
+ && data->fan[i] == 0x00))
+ && data->fan_div[i] < 0x07) {
dev_dbg(dev, "Increasing fan%d "
"clock divider from %u to %u\n",
i + 1, div_from_reg(data->fan_div[i]),
div_from_reg(data->fan_div[i] + 1));
data->fan_div[i]++;
- w83627ehf_write_fan_div(data, i);
+ w83627ehf_write_fan_div_common(dev, data, i);
/* Preserve min limit if possible */
- if (data->fan_min[i] >= 2
+ if ((data->has_fan_min & (1 << i))
+ && data->fan_min[i] >= 2
&& data->fan_min[i] != 255)
w83627ehf_write_value(data,
data->REG_FAN_MIN[i],
@@ -557,64 +790,54 @@ static struct w83627ehf_data *w83627ehf_update_device(struct device *dev)
}
}

+ w83627ehf_update_pwm_common(dev, data);
+
for (i = 0; i < data->pwm_num; i++) {
if (!(data->has_fan & (1 << i)))
continue;

- /* pwmcfg, tolerance mapped for i=0, i=1 to same reg */
- if (i != 1) {
- pwmcfg = w83627ehf_read_value(data,
- W83627EHF_REG_PWM_ENABLE[i]);
- tolerance = w83627ehf_read_value(data,
- W83627EHF_REG_TOLERANCE[i]);
- }
- data->pwm_mode[i] =
- ((pwmcfg >> W83627EHF_PWM_MODE_SHIFT[i]) & 1)
- ? 0 : 1;
- data->pwm_enable[i] =
- ((pwmcfg >> W83627EHF_PWM_ENABLE_SHIFT[i])
- & 3) + 1;
- data->pwm[i] = w83627ehf_read_value(data,
- data->REG_PWM[i]);
- data->fan_start_output[i] = w83627ehf_read_value(data,
- data->REG_FAN_START_OUTPUT[i]);
- data->fan_stop_output[i] = w83627ehf_read_value(data,
- data->REG_FAN_STOP_OUTPUT[i]);
- data->fan_stop_time[i] = w83627ehf_read_value(data,
- data->REG_FAN_STOP_TIME[i]);
-
- if (data->REG_FAN_MAX_OUTPUT[i] != 0xff)
+ data->fan_start_output[i] =
+ w83627ehf_read_value(data,
+ data->REG_FAN_START_OUTPUT[i]);
+ data->fan_stop_output[i] =
+ w83627ehf_read_value(data,
+ data->REG_FAN_STOP_OUTPUT[i]);
+ data->fan_stop_time[i] =
+ w83627ehf_read_value(data,
+ data->REG_FAN_STOP_TIME[i]);
+
+ if (data->REG_FAN_MAX_OUTPUT &&
+ data->REG_FAN_MAX_OUTPUT[i] != 0xff)
data->fan_max_output[i] =
w83627ehf_read_value(data,
- data->REG_FAN_MAX_OUTPUT[i]);
+ data->REG_FAN_MAX_OUTPUT[i]);

- if (data->REG_FAN_STEP_OUTPUT[i] != 0xff)
+ if (data->REG_FAN_STEP_OUTPUT &&
+ data->REG_FAN_STEP_OUTPUT[i] != 0xff)
data->fan_step_output[i] =
w83627ehf_read_value(data,
- data->REG_FAN_STEP_OUTPUT[i]);
+ data->REG_FAN_STEP_OUTPUT[i]);

data->target_temp[i] =
w83627ehf_read_value(data,
data->REG_TARGET[i]) &
(data->pwm_mode[i] == 1 ? 0x7f : 0xff);
- data->tolerance[i] = (tolerance >> (i == 1 ? 4 : 0))
- & 0x0f;
}

/* Measured temperatures and limits */
for (i = 0; i < NUM_REG_TEMP; i++) {
if (!(data->have_temp & (1 << i)))
continue;
- data->temp[i]
- = w83627ehf_read_value(data, W83627EHF_REG_TEMP[i]);
- if (i > 2)
- break;
- data->temp_max[i]
- = w83627ehf_read_value(data,
- W83627EHF_REG_TEMP_OVER[i]);
- data->temp_max_hyst[i]
- = w83627ehf_read_value(data,
- W83627EHF_REG_TEMP_HYST[i]);
+ data->temp[i] = w83627ehf_read_value(data,
+ data->reg_temp[i]);
+ if (data->reg_temp_over[i])
+ data->temp_max[i]
+ = w83627ehf_read_value(data,
+ data->reg_temp_over[i]);
+ if (data->reg_temp_hyst[i])
+ data->temp_max_hyst[i]
+ = w83627ehf_read_value(data,
+ data->reg_temp_hyst[i]);
}

data->alarms = w83627ehf_read_value(data,
@@ -736,21 +959,29 @@ static struct sensor_device_attribute sda_in_max[] = {
SENSOR_ATTR(in9_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 9),
};

-#define show_fan_reg(reg) \
-static ssize_t \
-show_##reg(struct device *dev, struct device_attribute *attr, \
- char *buf) \
-{ \
- struct w83627ehf_data *data = w83627ehf_update_device(dev); \
- struct sensor_device_attribute *sensor_attr = \
- to_sensor_dev_attr(attr); \
- int nr = sensor_attr->index; \
- return sprintf(buf, "%d\n", \
- fan_from_reg(data->reg[nr], \
- div_from_reg(data->fan_div[nr]))); \
+static ssize_t
+show_fan(struct device *dev, struct device_attribute *attr, char *buf)
+{
+ struct w83627ehf_data *data = w83627ehf_update_device(dev);
+ struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
+ int nr = sensor_attr->index;
+ return sprintf(buf, "%d\n",
+ fan_from_reg(data->REG_FAN[nr],
+ data->fan[nr],
+ div_from_reg(data->fan_div[nr])));
+}
+
+static ssize_t
+show_fan_min(struct device *dev, struct device_attribute *attr, char *buf)
+{
+ struct w83627ehf_data *data = w83627ehf_update_device(dev);
+ struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
+ int nr = sensor_attr->index;
+ return sprintf(buf, "%d\n",
+ fan_from_reg(data->REG_FAN_MIN[nr],
+ data->fan_min[nr],
+ div_from_reg(data->fan_div[nr])));
}
-show_fan_reg(fan);
-show_fan_reg(fan_min);

static ssize_t
show_fan_div(struct device *dev, struct device_attribute *attr,
@@ -779,6 +1010,18 @@ store_fan_min(struct device *dev, struct device_attribute *attr,
return err;

mutex_lock(&data->update_lock);
+ if (is_word_sized(data->REG_FAN_MIN[nr])) {
+ if (!val) {
+ val = 0xff1f;
+ } else {
+ if (val > 1350000U)
+ val = 135000U;
+ val = 1350000U / val;
+ val = (val & 0x1f) | ((val << 3) & 0xff00);
+ }
+ data->fan_min[nr] = val;
+ goto done; /* Leave fan divider alone */
+ }
if (!val) {
/* No min limit, alarm disabled */
data->fan_min[nr] = 255;
@@ -790,14 +1033,16 @@ store_fan_min(struct device *dev, struct device_attribute *attr,
data->fan_min[nr] = 254;
new_div = 7; /* 128 == (1 << 7) */
dev_warn(dev, "fan%u low limit %lu below minimum %u, set to "
- "minimum\n", nr + 1, val, fan_from_reg(254, 128));
+ "minimum\n", nr + 1, val,
+ fan_from_reg(data->REG_FAN_MIN[nr], 254, 128));
} else if (!reg) {
/* Speed above this value cannot possibly be represented,
even with the lowest divider (1) */
data->fan_min[nr] = 1;
new_div = 0; /* 1 == (1 << 0) */
dev_warn(dev, "fan%u low limit %lu above maximum %u, set to "
- "maximum\n", nr + 1, val, fan_from_reg(1, 1));
+ "maximum\n", nr + 1, val,
+ fan_from_reg(data->REG_FAN_MIN[nr], 1, 1));
} else {
/* Automatically pick the best divider, i.e. the one such
that the min limit will correspond to a register value
@@ -827,10 +1072,11 @@ store_fan_min(struct device *dev, struct device_attribute *attr,
nr + 1, div_from_reg(data->fan_div[nr]),
div_from_reg(new_div));
data->fan_div[nr] = new_div;
- w83627ehf_write_fan_div(data, nr);
+ w83627ehf_write_fan_div_common(dev, data, nr);
/* Give the chip time to sample a new speed value */
data->last_updated = jiffies;
}
+done:
w83627ehf_write_value(data, data->REG_FAN_MIN[nr],
data->fan_min[nr]);
mutex_unlock(&data->update_lock);
@@ -884,7 +1130,7 @@ show_temp_label(struct device *dev, struct device_attribute *attr, char *buf)
return sprintf(buf, "%s\n", data->temp_label[data->temp_src[nr]]);
}

-#define show_temp_reg(REG, reg) \
+#define show_temp_reg(addr, reg) \
static ssize_t \
show_##reg(struct device *dev, struct device_attribute *attr, \
char *buf) \
@@ -894,13 +1140,13 @@ show_##reg(struct device *dev, struct device_attribute *attr, \
to_sensor_dev_attr(attr); \
int nr = sensor_attr->index; \
return sprintf(buf, "%d\n", \
- temp_from_reg(W83627EHF_REG_##REG[nr], data->reg[nr])); \
+ temp_from_reg(data->addr[nr], data->reg[nr])); \
}
-show_temp_reg(TEMP, temp);
-show_temp_reg(TEMP_OVER, temp_max);
-show_temp_reg(TEMP_HYST, temp_max_hyst);
+show_temp_reg(reg_temp, temp);
+show_temp_reg(reg_temp_over, temp_max);
+show_temp_reg(reg_temp_hyst, temp_max_hyst);

-#define store_temp_reg(REG, reg) \
+#define store_temp_reg(addr, reg) \
static ssize_t \
store_##reg(struct device *dev, struct device_attribute *attr, \
const char *buf, size_t count) \
@@ -915,14 +1161,14 @@ store_##reg(struct device *dev, struct device_attribute *attr, \
if (err < 0) \
return err; \
mutex_lock(&data->update_lock); \
- data->reg[nr] = temp_to_reg(W83627EHF_REG_TEMP_##REG[nr], val); \
- w83627ehf_write_value(data, W83627EHF_REG_TEMP_##REG[nr], \
+ data->reg[nr] = temp_to_reg(data->addr[nr], val); \
+ w83627ehf_write_value(data, data->addr[nr], \
data->reg[nr]); \
mutex_unlock(&data->update_lock); \
return count; \
}
-store_temp_reg(OVER, temp_max);
-store_temp_reg(HYST, temp_max_hyst);
+store_temp_reg(reg_temp_over, temp_max);
+store_temp_reg(reg_temp_hyst, temp_max_hyst);

static ssize_t
show_temp_type(struct device *dev, struct device_attribute *attr, char *buf)
@@ -938,6 +1184,11 @@ static struct sensor_device_attribute sda_temp_input[] = {
SENSOR_ATTR(temp2_input, S_IRUGO, show_temp, NULL, 1),
SENSOR_ATTR(temp3_input, S_IRUGO, show_temp, NULL, 2),
SENSOR_ATTR(temp4_input, S_IRUGO, show_temp, NULL, 3),
+ SENSOR_ATTR(temp5_input, S_IRUGO, show_temp, NULL, 4),
+ SENSOR_ATTR(temp6_input, S_IRUGO, show_temp, NULL, 5),
+ SENSOR_ATTR(temp7_input, S_IRUGO, show_temp, NULL, 6),
+ SENSOR_ATTR(temp8_input, S_IRUGO, show_temp, NULL, 7),
+ SENSOR_ATTR(temp9_input, S_IRUGO, show_temp, NULL, 8),
};

static struct sensor_device_attribute sda_temp_label[] = {
@@ -945,6 +1196,11 @@ static struct sensor_device_attribute sda_temp_label[] = {
SENSOR_ATTR(temp2_label, S_IRUGO, show_temp_label, NULL, 1),
SENSOR_ATTR(temp3_label, S_IRUGO, show_temp_label, NULL, 2),
SENSOR_ATTR(temp4_label, S_IRUGO, show_temp_label, NULL, 3),
+ SENSOR_ATTR(temp5_label, S_IRUGO, show_temp_label, NULL, 4),
+ SENSOR_ATTR(temp6_label, S_IRUGO, show_temp_label, NULL, 5),
+ SENSOR_ATTR(temp7_label, S_IRUGO, show_temp_label, NULL, 6),
+ SENSOR_ATTR(temp8_label, S_IRUGO, show_temp_label, NULL, 7),
+ SENSOR_ATTR(temp9_label, S_IRUGO, show_temp_label, NULL, 8),
};

static struct sensor_device_attribute sda_temp_max[] = {
@@ -954,6 +1210,18 @@ static struct sensor_device_attribute sda_temp_max[] = {
store_temp_max, 1),
SENSOR_ATTR(temp3_max, S_IRUGO | S_IWUSR, show_temp_max,
store_temp_max, 2),
+ SENSOR_ATTR(temp4_max, S_IRUGO | S_IWUSR, show_temp_max,
+ store_temp_max, 3),
+ SENSOR_ATTR(temp5_max, S_IRUGO | S_IWUSR, show_temp_max,
+ store_temp_max, 4),
+ SENSOR_ATTR(temp6_max, S_IRUGO | S_IWUSR, show_temp_max,
+ store_temp_max, 5),
+ SENSOR_ATTR(temp7_max, S_IRUGO | S_IWUSR, show_temp_max,
+ store_temp_max, 6),
+ SENSOR_ATTR(temp8_max, S_IRUGO | S_IWUSR, show_temp_max,
+ store_temp_max, 7),
+ SENSOR_ATTR(temp9_max, S_IRUGO | S_IWUSR, show_temp_max,
+ store_temp_max, 8),
};

static struct sensor_device_attribute sda_temp_max_hyst[] = {
@@ -963,6 +1231,18 @@ static struct sensor_device_attribute sda_temp_max_hyst[] = {
store_temp_max_hyst, 1),
SENSOR_ATTR(temp3_max_hyst, S_IRUGO | S_IWUSR, show_temp_max_hyst,
store_temp_max_hyst, 2),
+ SENSOR_ATTR(temp4_max_hyst, S_IRUGO | S_IWUSR, show_temp_max_hyst,
+ store_temp_max_hyst, 3),
+ SENSOR_ATTR(temp5_max_hyst, S_IRUGO | S_IWUSR, show_temp_max_hyst,
+ store_temp_max_hyst, 4),
+ SENSOR_ATTR(temp6_max_hyst, S_IRUGO | S_IWUSR, show_temp_max_hyst,
+ store_temp_max_hyst, 5),
+ SENSOR_ATTR(temp7_max_hyst, S_IRUGO | S_IWUSR, show_temp_max_hyst,
+ store_temp_max_hyst, 6),
+ SENSOR_ATTR(temp8_max_hyst, S_IRUGO | S_IWUSR, show_temp_max_hyst,
+ store_temp_max_hyst, 7),
+ SENSOR_ATTR(temp9_max_hyst, S_IRUGO | S_IWUSR, show_temp_max_hyst,
+ store_temp_max_hyst, 8),
};

static struct sensor_device_attribute sda_temp_alarm[] = {
@@ -1048,6 +1328,7 @@ store_pwm_enable(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
struct w83627ehf_data *data = dev_get_drvdata(dev);
+ struct w83627ehf_sio_data *sio_data = dev->platform_data;
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
int nr = sensor_attr->index;
unsigned long val;
@@ -1060,12 +1341,25 @@ store_pwm_enable(struct device *dev, struct device_attribute *attr,

if (!val || (val > 4 && val != data->pwm_enable_orig[nr]))
return -EINVAL;
+ /* SmartFan III mode is not supported on NCT6776F */
+ if (sio_data->kind == nct6776 && val == 4)
+ return -EINVAL;
+
mutex_lock(&data->update_lock);
- reg = w83627ehf_read_value(data, W83627EHF_REG_PWM_ENABLE[nr]);
data->pwm_enable[nr] = val;
- reg &= ~(0x03 << W83627EHF_PWM_ENABLE_SHIFT[nr]);
- reg |= (val - 1) << W83627EHF_PWM_ENABLE_SHIFT[nr];
- w83627ehf_write_value(data, W83627EHF_REG_PWM_ENABLE[nr], reg);
+ if (sio_data->kind == nct6775 || sio_data->kind == nct6776) {
+ reg = w83627ehf_read_value(data,
+ NCT6775_REG_FAN_MODE[nr]);
+ reg &= 0x0f;
+ reg |= (val - 1) << 4;
+ w83627ehf_write_value(data,
+ NCT6775_REG_FAN_MODE[nr], reg);
+ } else {
+ reg = w83627ehf_read_value(data, W83627EHF_REG_PWM_ENABLE[nr]);
+ reg &= ~(0x03 << W83627EHF_PWM_ENABLE_SHIFT[nr]);
+ reg |= (val - 1) << W83627EHF_PWM_ENABLE_SHIFT[nr];
+ w83627ehf_write_value(data, W83627EHF_REG_PWM_ENABLE[nr], reg);
+ }
mutex_unlock(&data->update_lock);
return count;
}
@@ -1113,6 +1407,7 @@ store_tolerance(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
struct w83627ehf_data *data = dev_get_drvdata(dev);
+ struct w83627ehf_sio_data *sio_data = dev->platform_data;
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
int nr = sensor_attr->index;
u16 reg;
@@ -1127,13 +1422,22 @@ store_tolerance(struct device *dev, struct device_attribute *attr,
val = SENSORS_LIMIT(DIV_ROUND_CLOSEST(val, 1000), 0, 15);

mutex_lock(&data->update_lock);
- reg = w83627ehf_read_value(data, W83627EHF_REG_TOLERANCE[nr]);
- data->tolerance[nr] = val;
- if (nr == 1)
- reg = (reg & 0x0f) | (val << 4);
- else
+ if (sio_data->kind == nct6775 || sio_data->kind == nct6776) {
+ /* Limit tolerance further for NCT6776F */
+ if (sio_data->kind == nct6776 && val > 7)
+ val = 7;
+ reg = w83627ehf_read_value(data, NCT6775_REG_FAN_MODE[nr]);
reg = (reg & 0xf0) | val;
- w83627ehf_write_value(data, W83627EHF_REG_TOLERANCE[nr], reg);
+ w83627ehf_write_value(data, NCT6775_REG_FAN_MODE[nr], reg);
+ } else {
+ reg = w83627ehf_read_value(data, W83627EHF_REG_TOLERANCE[nr]);
+ if (nr == 1)
+ reg = (reg & 0x0f) | (val << 4);
+ else
+ reg = (reg & 0xf0) | val;
+ w83627ehf_write_value(data, W83627EHF_REG_TOLERANCE[nr], reg);
+ }
+ data->tolerance[nr] = val;
mutex_unlock(&data->update_lock);
return count;
}
@@ -1350,7 +1654,8 @@ static void w83627ehf_device_remove_files(struct device *dev)
for (i = 0; i < ARRAY_SIZE(sda_sf3_max_step_arrays); i++) {
struct sensor_device_attribute *attr =
&sda_sf3_max_step_arrays[i];
- if (data->REG_FAN_STEP_OUTPUT[attr->index] != 0xff)
+ if (data->REG_FAN_STEP_OUTPUT &&
+ data->REG_FAN_STEP_OUTPUT[attr->index] != 0xff)
device_remove_file(dev, &attr->dev_attr);
}
for (i = 0; i < ARRAY_SIZE(sda_sf3_arrays_fan4); i++)
@@ -1381,10 +1686,10 @@ static void w83627ehf_device_remove_files(struct device *dev)
continue;
device_remove_file(dev, &sda_temp_input[i].dev_attr);
device_remove_file(dev, &sda_temp_label[i].dev_attr);
- if (i > 2)
- break;
device_remove_file(dev, &sda_temp_max[i].dev_attr);
device_remove_file(dev, &sda_temp_max_hyst[i].dev_attr);
+ if (i > 2)
+ continue;
device_remove_file(dev, &sda_temp_alarm[i].dev_attr);
device_remove_file(dev, &sda_temp_type[i].dev_attr);
}
@@ -1409,13 +1714,13 @@ static inline void __devinit w83627ehf_init_device(struct w83627ehf_data *data)
for (i = 0; i < NUM_REG_TEMP; i++) {
if (!(data->have_temp & (1 << i)))
continue;
- if (!W83627EHF_REG_TEMP_CONFIG[i])
+ if (!data->reg_temp_config[i])
continue;
tmp = w83627ehf_read_value(data,
- W83627EHF_REG_TEMP_CONFIG[i]);
+ data->reg_temp_config[i]);
if (tmp & 0x01)
w83627ehf_write_value(data,
- W83627EHF_REG_TEMP_CONFIG[i],
+ data->reg_temp_config[i],
tmp & 0xfe);
}

@@ -1434,13 +1739,39 @@ static inline void __devinit w83627ehf_init_device(struct w83627ehf_data *data)
}
}

+static void w82627ehf_swap_tempreg(struct w83627ehf_data *data,
+ int r1, int r2)
+{
+ u16 tmp;
+
+ tmp = data->temp_src[r1];
+ data->temp_src[r1] = data->temp_src[r2];
+ data->temp_src[r2] = tmp;
+
+ tmp = data->reg_temp[r1];
+ data->reg_temp[r1] = data->reg_temp[r2];
+ data->reg_temp[r2] = tmp;
+
+ tmp = data->reg_temp_over[r1];
+ data->reg_temp_over[r1] = data->reg_temp_over[r2];
+ data->reg_temp_over[r2] = tmp;
+
+ tmp = data->reg_temp_hyst[r1];
+ data->reg_temp_hyst[r1] = data->reg_temp_hyst[r2];
+ data->reg_temp_hyst[r2] = tmp;
+
+ tmp = data->reg_temp_config[r1];
+ data->reg_temp_config[r1] = data->reg_temp_config[r2];
+ data->reg_temp_config[r2] = tmp;
+}
+
static int __devinit w83627ehf_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct w83627ehf_sio_data *sio_data = dev->platform_data;
struct w83627ehf_data *data;
struct resource *res;
- u8 fan4pin, fan5pin, en_vrm10;
+ u8 fan3pin, fan4pin, fan4min, fan5pin, en_vrm10;
int i, err = 0;

res = platform_get_resource(pdev, IORESOURCE_IO, 0);
@@ -1466,9 +1797,11 @@ static int __devinit w83627ehf_probe(struct platform_device *pdev)

/* 627EHG and 627EHF have 10 voltage inputs; 627DHG and 667HG have 9 */
data->in_num = (sio_data->kind == w83627ehf) ? 10 : 9;
- /* 667HG has 3 pwms */
+ /* 667HG, NCT6775F, and NCT6776F have 3 pwms */
data->pwm_num = (sio_data->kind == w83667hg
- || sio_data->kind == w83667hg_b) ? 3 : 4;
+ || sio_data->kind == w83667hg_b
+ || sio_data->kind == nct6775
+ || sio_data->kind == nct6776) ? 3 : 4;

data->have_temp = 0x07;
/* Check temp3 configuration bit for 667HG */
@@ -1479,15 +1812,98 @@ static int __devinit w83627ehf_probe(struct platform_device *pdev)
if (reg & 0x01)
data->have_temp &= ~(1 << 2);
else
- data->in6_skip = 1; /* Either temp3 or in6 */
+ data->in6_skip = 1; /* either temp3 or in6 */
+ }
+
+ /* Deal with temperature register setup first. */
+ if (sio_data->kind == nct6775 || sio_data->kind == nct6776) {
+ int mask = 0;
+
+ /*
+ * Display temperature sensor output only if it monitors
+ * a source other than one already reported. Always display
+ * first three temperature registers, though.
+ */
+ for (i = 0; i < NUM_REG_TEMP; i++) {
+ u8 src;
+
+ data->reg_temp[i] = NCT6775_REG_TEMP[i];
+ data->reg_temp_over[i] = NCT6775_REG_TEMP_OVER[i];
+ data->reg_temp_hyst[i] = NCT6775_REG_TEMP_HYST[i];
+ data->reg_temp_config[i] = NCT6775_REG_TEMP_CONFIG[i];
+
+ src = w83627ehf_read_value(data,
+ NCT6775_REG_TEMP_SOURCE[i]);
+ src &= 0x1f;
+ if (src && !(mask & (1 << src))) {
+ data->have_temp |= 1 << i;
+ mask |= 1 << src;
+ }
+
+ data->temp_src[i] = src;
+
+ /*
+ * Now do some register swapping if index 0..2 don't
+ * point to SYSTIN(1), CPUIN(2), and AUXIN(3).
+ * Idea is to have the first three attributes
+ * report SYSTIN, CPUIN, and AUXIN if possible
+ * without overriding the basic system configuration.
+ */
+ if (i > 0 && data->temp_src[0] != 1
+ && data->temp_src[i] == 1)
+ w82627ehf_swap_tempreg(data, 0, i);
+ if (i > 1 && data->temp_src[1] != 2
+ && data->temp_src[i] == 2)
+ w82627ehf_swap_tempreg(data, 1, i);
+ if (i > 2 && data->temp_src[2] != 3
+ && data->temp_src[i] == 3)
+ w82627ehf_swap_tempreg(data, 2, i);
+ }
+ if (sio_data->kind == nct6776) {
+ /*
+ * On NCT6776, AUXTIN and VIN3 pins are shared.
+ * Only way to detect it is to check if AUXTIN is used
+ * as a temperature source, and if that source is
+ * enabled.
+ *
+ * If that is the case, disable in6, which reports VIN3.
+ * Otherwise disable temp3.
+ */
+ if (data->temp_src[2] == 3) {
+ u8 reg;
+
+ if (data->reg_temp_config[2])
+ reg = w83627ehf_read_value(data,
+ data->reg_temp_config[2]);
+ else
+ reg = 0; /* Assume AUXTIN is used */
+
+ if (reg & 0x01)
+ data->have_temp &= ~(1 << 2);
+ else
+ data->in6_skip = 1;
+ }
+ }
+
+ data->temp_label = nct6776_temp_label;
} else if (sio_data->kind == w83667hg_b) {
u8 reg;

+ /*
+ * Temperature sources are selected with bank 0, registers 0x49
+ * and 0x4a.
+ */
+ for (i = 0; i < ARRAY_SIZE(W83627EHF_REG_TEMP); i++) {
+ data->reg_temp[i] = W83627EHF_REG_TEMP[i];
+ data->reg_temp_over[i] = W83627EHF_REG_TEMP_OVER[i];
+ data->reg_temp_hyst[i] = W83627EHF_REG_TEMP_HYST[i];
+ data->reg_temp_config[i] = W83627EHF_REG_TEMP_CONFIG[i];
+ }
reg = w83627ehf_read_value(data, 0x4a);
data->temp_src[0] = reg >> 5;
reg = w83627ehf_read_value(data, 0x49);
data->temp_src[1] = reg & 0x07;
- data->temp_src[2] = (reg >> 4) & 0x07;
+ data->temp_src[2] = (reg >> 4) & 0x07;

/*
* W83667HG-B has another temperature register at 0x7e.
@@ -1516,22 +1932,54 @@ static int __devinit w83627ehf_probe(struct platform_device *pdev)
data->in6_skip = 1;

data->temp_label = w83667hg_b_temp_label;
+ } else {
+ /* Temperature sources are fixed */
+ for (i = 0; i < 3; i++) {
+ data->reg_temp[i] = W83627EHF_REG_TEMP[i];
+ data->reg_temp_over[i] = W83627EHF_REG_TEMP_OVER[i];
+ data->reg_temp_hyst[i] = W83627EHF_REG_TEMP_HYST[i];
+ data->reg_temp_config[i] = W83627EHF_REG_TEMP_CONFIG[i];
+ }
}

- data->REG_PWM = W83627EHF_REG_PWM;
- data->REG_TARGET = W83627EHF_REG_TARGET;
- data->REG_FAN = W83627EHF_REG_FAN;
- data->REG_FAN_MIN = W83627EHF_REG_FAN_MIN;
- data->REG_FAN_START_OUTPUT = W83627EHF_REG_FAN_START_OUTPUT;
- data->REG_FAN_STOP_OUTPUT = W83627EHF_REG_FAN_STOP_OUTPUT;
- data->REG_FAN_STOP_TIME = W83627EHF_REG_FAN_STOP_TIME;
- data->REG_FAN_START_OUTPUT = W83627EHF_REG_FAN_START_OUTPUT;
- if (sio_data->kind == w83667hg_b) {
+ if (sio_data->kind == nct6775) {
+ data->REG_PWM = NCT6775_REG_PWM;
+ data->REG_TARGET = NCT6775_REG_TARGET;
+ data->REG_FAN = W83627EHF_REG_FAN;
+ data->REG_FAN_MIN = W83627EHF_REG_FAN_MIN;
+ data->REG_FAN_START_OUTPUT = NCT6775_REG_FAN_START_OUTPUT;
+ data->REG_FAN_STOP_OUTPUT = NCT6775_REG_FAN_STOP_OUTPUT;
+ data->REG_FAN_STOP_TIME = NCT6775_REG_FAN_STOP_TIME;
+ data->REG_FAN_MAX_OUTPUT = NCT6775_REG_FAN_MAX_OUTPUT;
+ data->REG_FAN_STEP_OUTPUT = NCT6775_REG_FAN_STEP_OUTPUT;
+ } else if (sio_data->kind == nct6776) {
+ data->REG_PWM = NCT6775_REG_PWM;
+ data->REG_TARGET = NCT6775_REG_TARGET;
+ data->REG_FAN = NCT6776_REG_FAN;
+ data->REG_FAN_MIN = NCT6776_REG_FAN_MIN;
+ data->REG_FAN_START_OUTPUT = NCT6775_REG_FAN_START_OUTPUT;
+ data->REG_FAN_STOP_OUTPUT = NCT6775_REG_FAN_STOP_OUTPUT;
+ data->REG_FAN_STOP_TIME = NCT6775_REG_FAN_STOP_TIME;
+ } else if (sio_data->kind == w83667hg_b) {
+ data->REG_PWM = W83627EHF_REG_PWM;
+ data->REG_TARGET = W83627EHF_REG_TARGET;
+ data->REG_FAN = W83627EHF_REG_FAN;
+ data->REG_FAN_MIN = W83627EHF_REG_FAN_MIN;
+ data->REG_FAN_START_OUTPUT = W83627EHF_REG_FAN_START_OUTPUT;
+ data->REG_FAN_STOP_OUTPUT = W83627EHF_REG_FAN_STOP_OUTPUT;
+ data->REG_FAN_STOP_TIME = W83627EHF_REG_FAN_STOP_TIME;
data->REG_FAN_MAX_OUTPUT =
W83627EHF_REG_FAN_MAX_OUTPUT_W83667_B;
data->REG_FAN_STEP_OUTPUT =
W83627EHF_REG_FAN_STEP_OUTPUT_W83667_B;
} else {
+ data->REG_PWM = W83627EHF_REG_PWM;
+ data->REG_TARGET = W83627EHF_REG_TARGET;
+ data->REG_FAN = W83627EHF_REG_FAN;
+ data->REG_FAN_MIN = W83627EHF_REG_FAN_MIN;
+ data->REG_FAN_START_OUTPUT = W83627EHF_REG_FAN_START_OUTPUT;
+ data->REG_FAN_STOP_OUTPUT = W83627EHF_REG_FAN_STOP_OUTPUT;
+ data->REG_FAN_STOP_TIME = W83627EHF_REG_FAN_STOP_TIME;
data->REG_FAN_MAX_OUTPUT =
W83627EHF_REG_FAN_MAX_OUTPUT_COMMON;
data->REG_FAN_STEP_OUTPUT =
@@ -1544,7 +1992,8 @@ static int __devinit w83627ehf_probe(struct platform_device *pdev)
data->vrm = vid_which_vrm();
superio_enter(sio_data->sioreg);
/* Read VID value */
- if (sio_data->kind == w83667hg || sio_data->kind == w83667hg_b) {
+ if (sio_data->kind == w83667hg || sio_data->kind == w83667hg_b ||
+ sio_data->kind == nct6775 || sio_data->kind == nct6776) {
/* W83667HG has different pins for VID input and output, so
we can get the VID input values directly at logical device D
0xe3. */
@@ -1595,12 +2044,27 @@ static int __devinit w83627ehf_probe(struct platform_device *pdev)
}

/* fan4 and fan5 share some pins with the GPIO and serial flash */
- if (sio_data->kind == w83667hg || sio_data->kind == w83667hg_b) {
- fan5pin = superio_inb(sio_data->sioreg, 0x27) & 0x20;
+ if (sio_data->kind == nct6775) {
+ /* On NCT6775, fan4 shares pins with the fdc interface */
+ fan3pin = 1;
+ fan4pin = !(superio_inb(sio_data->sioreg, 0x2A) & 0x80);
+ fan4min = 0;
+ fan5pin = 0;
+ } else if (sio_data->kind == nct6776) {
+ fan3pin = !(superio_inb(sio_data->sioreg, 0x24) & 0x40);
+ fan4pin = !!(superio_inb(sio_data->sioreg, 0x1C) & 0x01);
+ fan5pin = !!(superio_inb(sio_data->sioreg, 0x1C) & 0x02);
+ fan4min = fan4pin;
+ } else if (sio_data->kind == w83667hg || sio_data->kind == w83667hg_b) {
+ fan3pin = 1;
fan4pin = superio_inb(sio_data->sioreg, 0x27) & 0x40;
+ fan5pin = superio_inb(sio_data->sioreg, 0x27) & 0x20;
+ fan4min = fan4pin;
} else {
- fan5pin = !(superio_inb(sio_data->sioreg, 0x24) & 0x02);
+ fan3pin = 1;
fan4pin = !(superio_inb(sio_data->sioreg, 0x29) & 0x06);
+ fan5pin = !(superio_inb(sio_data->sioreg, 0x24) & 0x02);
+ fan4min = fan4pin;
}
superio_exit(sio_data->sioreg);

@@ -1610,15 +2074,36 @@ static int __devinit w83627ehf_probe(struct platform_device *pdev)
connected fan5 as input unless they are emitting log 1, which
is not the default. */

- data->has_fan = 0x07; /* fan1, fan2 and fan3 */
- i = w83627ehf_read_value(data, W83627EHF_REG_FANDIV1);
- if ((i & (1 << 2)) && fan4pin)
- data->has_fan |= (1 << 3);
- if (!(i & (1 << 1)) && fan5pin)
- data->has_fan |= (1 << 4);
+ data->has_fan = data->has_fan_min = 0x03; /* fan1 and fan2 */
+
+ data->has_fan |= (fan3pin << 2);
+ data->has_fan_min |= (fan3pin << 2);
+
+ /*
+ * NCT6775F and NCT6776F don't have the W83627EHF_REG_FANDIV1 register
+ */
+ if (sio_data->kind == nct6775 || sio_data->kind == nct6776) {
+ data->has_fan |= (fan4pin << 3) | (fan5pin << 4);
+ data->has_fan_min |= (fan4min << 3) | (fan5pin << 4);
+ } else {
+ i = w83627ehf_read_value(data, W83627EHF_REG_FANDIV1);
+ if ((i & (1 << 2)) && fan4pin) {
+ data->has_fan |= (1 << 3);
+ data->has_fan_min |= (1 << 3);
+ }
+ if (!(i & (1 << 1)) && fan5pin) {
+ data->has_fan |= (1 << 4);
+ data->has_fan_min |= (1 << 4);
+ }
+ }

/* Read fan clock dividers immediately */
- w83627ehf_update_fan_div(data);
+ w83627ehf_update_fan_div_common(dev, data);
+
+ /* Read pwm data to save original values */
+ w83627ehf_update_pwm_common(dev, data);
+ for (i = 0; i < data->pwm_num; i++)
+ data->pwm_enable_orig[i] = data->pwm_enable[i];

/* Read pwm data to save original values */
w83627ehf_update_pwm_common(dev, data);
@@ -1635,7 +2120,8 @@ static int __devinit w83627ehf_probe(struct platform_device *pdev)
for (i = 0; i < ARRAY_SIZE(sda_sf3_max_step_arrays); i++) {
struct sensor_device_attribute *attr =
&sda_sf3_max_step_arrays[i];
- if (data->REG_FAN_STEP_OUTPUT[attr->index] != 0xff) {
+ if (data->REG_FAN_STEP_OUTPUT &&
+ data->REG_FAN_STEP_OUTPUT[attr->index] != 0xff) {
err = device_create_file(dev, &attr->dev_attr);
if (err)
goto exit_remove;
@@ -1668,12 +2154,20 @@ static int __devinit w83627ehf_probe(struct platform_device *pdev)
if ((err = device_create_file(dev,
&sda_fan_input[i].dev_attr))
|| (err = device_create_file(dev,
- &sda_fan_alarm[i].dev_attr))
- || (err = device_create_file(dev,
- &sda_fan_div[i].dev_attr))
- || (err = device_create_file(dev,
- &sda_fan_min[i].dev_attr)))
+ &sda_fan_alarm[i].dev_attr)))
goto exit_remove;
+ if (sio_data->kind != nct6776) {
+ err = device_create_file(dev,
+ &sda_fan_div[i].dev_attr);
+ if (err)
+ goto exit_remove;
+ }
+ if (data->has_fan_min & (1 << i)) {
+ err = device_create_file(dev,
+ &sda_fan_min[i].dev_attr);
+ if (err)
+ goto exit_remove;
+ }
if (i < data->pwm_num &&
((err = device_create_file(dev,
&sda_pwm[i].dev_attr))
@@ -1701,12 +2195,21 @@ static int __devinit w83627ehf_probe(struct platform_device *pdev)
if (err)
goto exit_remove;
}
+ if (data->reg_temp_over[i]) {
+ err = device_create_file(dev,
+ &sda_temp_max[i].dev_attr);
+ if (err)
+ goto exit_remove;
+ }
+ if (data->reg_temp_hyst[i]) {
+ err = device_create_file(dev,
+ &sda_temp_max_hyst[i].dev_attr);
+ if (err)
+ goto exit_remove;
+ }
if (i > 2)
- break;
- if ((err = device_create_file(dev, &sda_temp_max[i].dev_attr))
- || (err = device_create_file(dev,
- &sda_temp_max_hyst[i].dev_attr))
- || (err = device_create_file(dev,
+ continue;
+ if ((err = device_create_file(dev,
&sda_temp_alarm[i].dev_attr))
|| (err = device_create_file(dev,
&sda_temp_type[i].dev_attr)))
@@ -1767,6 +2270,8 @@ static int __init w83627ehf_find(int sioaddr, unsigned short *addr,
static const char __initdata sio_name_W83627DHG_P[] = "W83627DHG-P";
static const char __initdata sio_name_W83667HG[] = "W83667HG";
static const char __initdata sio_name_W83667HG_B[] = "W83667HG-B";
+ static const char __initdata sio_name_NCT6775[] = "NCT6775F";
+ static const char __initdata sio_name_NCT6776[] = "NCT6776F";

u16 val;
const char *sio_name;
@@ -1803,6 +2308,14 @@ static int __init w83627ehf_find(int sioaddr, unsigned short *addr,
sio_data->kind = w83667hg_b;
sio_name = sio_name_W83667HG_B;
break;
+ case SIO_NCT6775_ID:
+ sio_data->kind = nct6775;
+ sio_name = sio_name_NCT6775;
+ break;
+ case SIO_NCT6776_ID:
+ sio_data->kind = nct6776;
+ sio_name = sio_name_NCT6776;
+ break;
default:
if (val != 0xffff)
pr_debug("unsupported chip ID: 0x%04x\n", val);
--
1.7.3.1


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