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Commit 81820059 authored by Guenter Roeck's avatar Guenter Roeck
Browse files

hwmon: (nct6775) Add support for NCT6796D 



NCT6796D is mostly compatible to NCT6795D. It supports an additional
pwm control and fan speed channel.

While we are at it, update documentation for NCT6795D.

Signed-off-by: default avatarGuenter Roeck <linux@roeck-us.net>
parent 1b206240

Documentation/hwmon/nct6775

+32 −24
Original line number Diff line number Diff line
@@ -36,6 +36,14 @@ Supported chips: 
    Prefix: 'nct6793'

    Addresses scanned: ISA address retrieved from Super I/O registers

    Datasheet: Available from Nuvoton upon request

  * Nuvoton NCT6795D

    Prefix: 'nct6795'

    Addresses scanned: ISA address retrieved from Super I/O registers

    Datasheet: Available from Nuvoton upon request

  * Nuvoton NCT6796D

    Prefix: 'nct6796'

    Addresses scanned: ISA address retrieved from Super I/O registers

    Datasheet: Available from Nuvoton upon request



Authors:

        Guenter Roeck <linux@roeck-us.net>
@@ -88,10 +96,10 @@ The mode works for fan1-fan5. 
sysfs attributes

----------------



pwm[1-5] - this file stores PWM duty cycle or DC value (fan speed) in range:

pwm[1-7] - this file stores PWM duty cycle or DC value (fan speed) in range:

	   0 (lowest speed) to 255 (full)



pwm[1-5]_enable - this file controls mode of fan/temperature control:

pwm[1-7]_enable - this file controls mode of fan/temperature control:

	* 0 Fan control disabled (fans set to maximum speed)

	* 1 Manual mode, write to pwm[0-5] any value 0-255

	* 2 "Thermal Cruise" mode
@@ -99,16 +107,16 @@ pwm[1-5]_enable - this file controls mode of fan/temperature control: 
	* 4 "Smart Fan III" mode (NCT6775F only)

	* 5 "Smart Fan IV" mode



pwm[1-5]_mode - controls if output is PWM or DC level

pwm[1-7]_mode - controls if output is PWM or DC level

        * 0 DC output

        * 1 PWM output



Common fan control attributes

-----------------------------



pwm[1-5]_temp_sel	Temperature source. Value is temperature sensor index.

pwm[1-7]_temp_sel	Temperature source. Value is temperature sensor index.

			For example, select '1' for temp1_input.

pwm[1-5]_weight_temp_sel

pwm[1-7]_weight_temp_sel

			Secondary temperature source. Value is temperature

			sensor index. For example, select '1' for temp1_input.

			Set to 0 to disable secondary temperature control.
@@ -116,16 +124,16 @@ pwm[1-5]_weight_temp_sel 
If secondary temperature functionality is enabled, it is controlled with the

following attributes.



pwm[1-5]_weight_duty_step

pwm[1-7]_weight_duty_step

			Duty step size.

pwm[1-5]_weight_temp_step

pwm[1-7]_weight_temp_step

			Temperature step size. With each step over

			temp_step_base, the value of weight_duty_step is added

			to the current pwm value.

pwm[1-5]_weight_temp_step_base

pwm[1-7]_weight_temp_step_base

			Temperature at which secondary temperature control kicks

			in.

pwm[1-5]_weight_temp_step_tol

pwm[1-7]_weight_temp_step_tol

			Temperature step tolerance.



Thermal Cruise mode (2)
@@ -133,9 +141,9 @@ Thermal Cruise mode (2) 


If the temperature is in the range defined by:



pwm[1-5]_target_temp	Target temperature, unit millidegree Celsius

pwm[1-7]_target_temp	Target temperature, unit millidegree Celsius

			(range 0 - 127000)

pwm[1-5]_temp_tolerance

pwm[1-7]_temp_tolerance

			Target temperature tolerance, unit millidegree Celsius



there are no changes to fan speed. Once the temperature leaves the interval, fan
@@ -143,14 +151,14 @@ speed increases (if temperature is higher that desired) or decreases (if 
temperature is lower than desired), using the following limits and time

intervals.



pwm[1-5]_start		fan pwm start value (range 1 - 255), to start fan

pwm[1-7]_start		fan pwm start value (range 1 - 255), to start fan

			when the temperature is above defined range.

pwm[1-5]_floor		lowest fan pwm (range 0 - 255) if temperature is below

pwm[1-7]_floor		lowest fan pwm (range 0 - 255) if temperature is below

			the defined range. If set to 0, the fan is expected to

			stop if the temperature is below the defined range.

pwm[1-5]_step_up_time	milliseconds before fan speed is increased

pwm[1-5]_step_down_time	milliseconds before fan speed is decreased

pwm[1-5]_stop_time	how many milliseconds must elapse to switch

pwm[1-7]_step_up_time	milliseconds before fan speed is increased

pwm[1-7]_step_down_time	milliseconds before fan speed is decreased

pwm[1-7]_stop_time	how many milliseconds must elapse to switch

			corresponding fan off (when the temperature was below

			defined range).
@@ -159,8 +167,8 @@ Speed Cruise mode (3) 


This modes tries to keep the fan speed constant.



fan[1-5]_target		Target fan speed

fan[1-5]_tolerance

fan[1-7]_target		Target fan speed

fan[1-7]_tolerance

			Target speed tolerance
@@ -177,19 +185,19 @@ points should be set to higher temperatures and higher pwm values to achieve 
higher fan speeds with increasing temperature. The last data point reflects

critical temperature mode, in which the fans should run at full speed.



pwm[1-5]_auto_point[1-7]_pwm

pwm[1-7]_auto_point[1-7]_pwm

			pwm value to be set if temperature reaches matching

			temperature range.

pwm[1-5]_auto_point[1-7]_temp

pwm[1-7]_auto_point[1-7]_temp

			Temperature over which the matching pwm is enabled.

pwm[1-5]_temp_tolerance

pwm[1-7]_temp_tolerance

			Temperature tolerance, unit millidegree Celsius

pwm[1-5]_crit_temp_tolerance

pwm[1-7]_crit_temp_tolerance

			Temperature tolerance for critical temperature,

			unit millidegree Celsius



pwm[1-5]_step_up_time	milliseconds before fan speed is increased

pwm[1-5]_step_down_time	milliseconds before fan speed is decreased

pwm[1-7]_step_up_time	milliseconds before fan speed is increased

pwm[1-7]_step_down_time	milliseconds before fan speed is decreased



Usage Notes

-----------

drivers/hwmon/Kconfig

+3 −2
Original line number Diff line number Diff line
@@ -1219,8 +1219,9 @@ config SENSORS_NCT6775 
	help

	  If you say yes here you get support for the hardware monitoring

	  functionality of the Nuvoton NCT6106D, NCT6775F, NCT6776F, NCT6779D,

	  NCT6791D, NCT6792D, NCT6793D, and compatible Super-I/O chips. This

	  driver replaces the w83627ehf driver for NCT6775F and NCT6776F.

	  NCT6791D, NCT6792D, NCT6793D, NCT6795D, NCT6796D, and compatible

	  Super-I/O chips. This driver replaces the w83627ehf driver for

	  NCT6775F and NCT6776F.



	  This driver can also be built as a module.  If so, the module

	  will be called nct6775.

drivers/hwmon/nct6775.c

+122 −50
Original line number Diff line number Diff line
@@ -41,7 +41,7 @@ 
 * nct6792d    15      6       6       2+6    0xc910 0xc1    0x5ca3

 * nct6793d    15      6       6       2+6    0xd120 0xc1    0x5ca3

 * nct6795d    14      6       6       2+6    0xd350 0xc1    0x5ca3

 *

 * nct6796d    14      7       7       2+6    0xd420 0xc1    0x5ca3

 *

 * #temp lists the number of monitored temperature sources (first value) plus

 * the number of directly connectable temperature sensors (second value).
@@ -68,7 +68,7 @@ 
#define USE_ALTERNATE



enum kinds { nct6106, nct6775, nct6776, nct6779, nct6791, nct6792, nct6793,

	     nct6795 };

	     nct6795, nct6796 };



/* used to set data->name = nct6775_device_names[data->sio_kind] */

static const char * const nct6775_device_names[] = {
@@ -80,6 +80,7 @@ static const char * const nct6775_device_names[] = { 
	"nct6792",

	"nct6793",

	"nct6795",

	"nct6796",

};



static const char * const nct6775_sio_names[] __initconst = {
@@ -91,6 +92,7 @@ static const char * const nct6775_sio_names[] __initconst = { 
	"NCT6792D",

	"NCT6793D",

	"NCT6795D",

	"NCT6796D",

};



static unsigned short force_id;
@@ -125,6 +127,7 @@ MODULE_PARM_DESC(fan_debounce, "Enable debouncing for fan RPM signal"); 
#define SIO_NCT6792_ID		0xc910

#define SIO_NCT6793_ID		0xd120

#define SIO_NCT6795_ID		0xd350

#define SIO_NCT6796_ID		0xd420

#define SIO_ID_MASK		0xFFF0



enum pwm_enable { off, manual, thermal_cruise, speed_cruise, sf3, sf4 };
@@ -201,7 +204,7 @@ superio_exit(int ioreg) 
#define NUM_REG_ALARM	7	/* Max number of alarm registers */

#define NUM_REG_BEEP	5	/* Max number of beep registers */



#define NUM_FAN		6

#define NUM_FAN		7



#define TEMP_SOURCE_VIRTUAL	0x1f
@@ -272,26 +275,26 @@ static const u8 NCT6775_PWM_MODE_MASK[] = { 0x01, 0x02, 0x01 }; 
/* Advanced Fan control, some values are common for all fans */



static const u16 NCT6775_REG_TARGET[] = {

	0x101, 0x201, 0x301, 0x801, 0x901, 0xa01 };

	0x101, 0x201, 0x301, 0x801, 0x901, 0xa01, 0xb01 };

static const u16 NCT6775_REG_FAN_MODE[] = {

	0x102, 0x202, 0x302, 0x802, 0x902, 0xa02 };

	0x102, 0x202, 0x302, 0x802, 0x902, 0xa02, 0xb02 };

static const u16 NCT6775_REG_FAN_STEP_DOWN_TIME[] = {

	0x103, 0x203, 0x303, 0x803, 0x903, 0xa03 };

	0x103, 0x203, 0x303, 0x803, 0x903, 0xa03, 0xb03 };

static const u16 NCT6775_REG_FAN_STEP_UP_TIME[] = {

	0x104, 0x204, 0x304, 0x804, 0x904, 0xa04 };

	0x104, 0x204, 0x304, 0x804, 0x904, 0xa04, 0xb04 };

static const u16 NCT6775_REG_FAN_STOP_OUTPUT[] = {

	0x105, 0x205, 0x305, 0x805, 0x905, 0xa05 };

	0x105, 0x205, 0x305, 0x805, 0x905, 0xa05, 0xb05 };

static const u16 NCT6775_REG_FAN_START_OUTPUT[] = {

	0x106, 0x206, 0x306, 0x806, 0x906, 0xa06 };

	0x106, 0x206, 0x306, 0x806, 0x906, 0xa06, 0xb06 };

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 NCT6775_REG_FAN_STOP_TIME[] = {

	0x107, 0x207, 0x307, 0x807, 0x907, 0xa07 };

	0x107, 0x207, 0x307, 0x807, 0x907, 0xa07, 0xb07 };

static const u16 NCT6775_REG_PWM[] = {

	0x109, 0x209, 0x309, 0x809, 0x909, 0xa09 };

	0x109, 0x209, 0x309, 0x809, 0x909, 0xa09, 0xb09 };

static const u16 NCT6775_REG_PWM_READ[] = {

	0x01, 0x03, 0x11, 0x13, 0x15, 0xa09 };

	0x01, 0x03, 0x11, 0x13, 0x15, 0xa09, 0xb09 };



static const u16 NCT6775_REG_FAN[] = { 0x630, 0x632, 0x634, 0x636, 0x638 };

static const u16 NCT6775_REG_FAN_MIN[] = { 0x3b, 0x3c, 0x3d };
@@ -314,7 +317,7 @@ static const u16 NCT6775_REG_TEMP_SOURCE[ARRAY_SIZE(NCT6775_REG_TEMP)] = { 
	0x621, 0x622, 0x623, 0x624, 0x625, 0x626 };



static const u16 NCT6775_REG_TEMP_SEL[] = {

	0x100, 0x200, 0x300, 0x800, 0x900, 0xa00 };

	0x100, 0x200, 0x300, 0x800, 0x900, 0xa00, 0xb00 };



static const u16 NCT6775_REG_WEIGHT_TEMP_SEL[] = {

	0x139, 0x239, 0x339, 0x839, 0x939, 0xa39 };
@@ -330,9 +333,9 @@ static const u16 NCT6775_REG_WEIGHT_TEMP_BASE[] = { 
static const u16 NCT6775_REG_TEMP_OFFSET[] = { 0x454, 0x455, 0x456 };



static const u16 NCT6775_REG_AUTO_TEMP[] = {

	0x121, 0x221, 0x321, 0x821, 0x921, 0xa21 };

	0x121, 0x221, 0x321, 0x821, 0x921, 0xa21, 0xb21 };

static const u16 NCT6775_REG_AUTO_PWM[] = {

	0x127, 0x227, 0x327, 0x827, 0x927, 0xa27 };

	0x127, 0x227, 0x327, 0x827, 0x927, 0xa27, 0xb27 };



#define NCT6775_AUTO_TEMP(data, nr, p)	((data)->REG_AUTO_TEMP[nr] + (p))

#define NCT6775_AUTO_PWM(data, nr, p)	((data)->REG_AUTO_PWM[nr] + (p))
@@ -340,9 +343,9 @@ static const u16 NCT6775_REG_AUTO_PWM[] = { 
static const u16 NCT6775_REG_CRITICAL_ENAB[] = { 0x134, 0x234, 0x334 };



static const u16 NCT6775_REG_CRITICAL_TEMP[] = {

	0x135, 0x235, 0x335, 0x835, 0x935, 0xa35 };

	0x135, 0x235, 0x335, 0x835, 0x935, 0xa35, 0xb35 };

static const u16 NCT6775_REG_CRITICAL_TEMP_TOLERANCE[] = {

	0x138, 0x238, 0x338, 0x838, 0x938, 0xa38 };

	0x138, 0x238, 0x338, 0x838, 0x938, 0xa38, 0xb38 };



static const char *const nct6775_temp_label[] = {

	"",
@@ -414,15 +417,15 @@ static const s8 NCT6776_BEEP_BITS[] = { 
	30, 31 };			/* intrusion0, intrusion1 */



static const u16 NCT6776_REG_TOLERANCE_H[] = {

	0x10c, 0x20c, 0x30c, 0x80c, 0x90c, 0xa0c };

	0x10c, 0x20c, 0x30c, 0x80c, 0x90c, 0xa0c, 0xb0c };



static const u8 NCT6776_REG_PWM_MODE[] = { 0x04, 0, 0, 0, 0, 0 };

static const u8 NCT6776_PWM_MODE_MASK[] = { 0x01, 0, 0, 0, 0, 0 };



static const u16 NCT6776_REG_FAN_MIN[] = {

	0x63a, 0x63c, 0x63e, 0x640, 0x642, 0x64a };

	0x63a, 0x63c, 0x63e, 0x640, 0x642, 0x64a, 0x64c };

static const u16 NCT6776_REG_FAN_PULSES[] = {

	0x644, 0x645, 0x646, 0x647, 0x648, 0x649 };

	0x644, 0x645, 0x646, 0x647, 0x648, 0x649, 0 };



static const u16 NCT6776_REG_WEIGHT_DUTY_BASE[] = {

	0x13e, 0x23e, 0x33e, 0x83e, 0x93e, 0xa3e };
@@ -497,15 +500,15 @@ static const s8 NCT6779_BEEP_BITS[] = { 
	30, 31 };			/* intrusion0, intrusion1 */



static const u16 NCT6779_REG_FAN[] = {

	0x4b0, 0x4b2, 0x4b4, 0x4b6, 0x4b8, 0x4ba };

	0x4b0, 0x4b2, 0x4b4, 0x4b6, 0x4b8, 0x4ba, 0x660 };

static const u16 NCT6779_REG_FAN_PULSES[] = {

	0x644, 0x645, 0x646, 0x647, 0x648, 0x649 };

	0x644, 0x645, 0x646, 0x647, 0x648, 0x649, 0 };



static const u16 NCT6779_REG_CRITICAL_PWM_ENABLE[] = {

	0x136, 0x236, 0x336, 0x836, 0x936, 0xa36 };

	0x136, 0x236, 0x336, 0x836, 0x936, 0xa36, 0xb36 };

#define NCT6779_CRITICAL_PWM_ENABLE_MASK	0x01

static const u16 NCT6779_REG_CRITICAL_PWM[] = {

	0x137, 0x237, 0x337, 0x837, 0x937, 0xa37 };

	0x137, 0x237, 0x337, 0x837, 0x937, 0xa37, 0xb37 };



static const u16 NCT6779_REG_TEMP[] = { 0x27, 0x150 };

static const u16 NCT6779_REG_TEMP_MON[] = { 0x73, 0x75, 0x77, 0x79, 0x7b };
@@ -709,6 +712,43 @@ static const char *const nct6795_temp_label[] = { 


#define NCT6795_TEMP_MASK	0xbfffff7e



static const char *const nct6796_temp_label[] = {

	"",

	"SYSTIN",

	"CPUTIN",

	"AUXTIN0",

	"AUXTIN1",

	"AUXTIN2",

	"AUXTIN3",

	"AUXTIN4",

	"SMBUSMASTER 0",

	"SMBUSMASTER 1",

	"",

	"",

	"",

	"",

	"",

	"",

	"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_TEMP0",

	"BYTE_TEMP1",

	"PECI Agent 0 Calibration",

	"PECI Agent 1 Calibration",

	"",

	"Virtual_TEMP"

};



#define NCT6796_TEMP_MASK	0xbfff03fe



/* NCT6102D/NCT6106D specific data */



#define NCT6106_REG_VBAT	0x318
@@ -1233,11 +1273,13 @@ static bool is_word_sized(struct nct6775_data *data, u16 reg) 
	case nct6792:

	case nct6793:

	case nct6795:

	case nct6796:

		return reg == 0x150 || reg == 0x153 || reg == 0x155 ||

		  ((reg & 0xfff0) == 0x4b0 && (reg & 0x000f) < 0x0b) ||

		  reg == 0x402 ||

		  reg == 0x63a || reg == 0x63c || reg == 0x63e ||

		  reg == 0x640 || reg == 0x642 || reg == 0x64a ||

		  reg == 0x64c || reg == 0x660 ||

		  reg == 0x73 || reg == 0x75 || reg == 0x77 || reg == 0x79 ||

		  reg == 0x7b || reg == 0x7d;

	}
@@ -1586,6 +1628,7 @@ static void nct6775_update_pwm_limits(struct device *dev) 
		case nct6792:

		case nct6793:

		case nct6795:

		case nct6796:

			reg = nct6775_read_value(data,

					data->REG_CRITICAL_PWM_ENABLE[i]);

			if (reg & data->CRITICAL_PWM_ENABLE_MASK)
@@ -2094,6 +2137,8 @@ static umode_t nct6775_fan_is_visible(struct kobject *kobj, 
		return 0;

	if (nr == 2 && data->BEEP_BITS[FAN_ALARM_BASE + fan] == -1)

		return 0;

	if (nr == 3 && !data->REG_FAN_PULSES[fan])

		return 0;

	if (nr == 4 && !(data->has_fan_min & BIT(fan)))

		return 0;

	if (nr == 5 && data->kind != nct6775)
@@ -3006,6 +3051,7 @@ store_auto_pwm(struct device *dev, struct device_attribute *attr, 
		case nct6792:

		case nct6793:

		case nct6795:

		case nct6796:

			nct6775_write_value(data, data->REG_CRITICAL_PWM[nr],

					    val);

			reg = nct6775_read_value(data,
@@ -3361,9 +3407,9 @@ static void 
nct6775_check_fan_inputs(struct nct6775_data *data)

{

	bool fan3pin = false, fan4pin = false, fan4min = false;

	bool fan5pin = false, fan6pin = false;

	bool fan5pin = false, fan6pin = false, fan7pin = false;

	bool pwm3pin = false, pwm4pin = false, pwm5pin = false;

	bool pwm6pin = false;

	bool pwm6pin = false, pwm7pin = false;

	int sioreg = data->sioreg;

	int regval;
@@ -3424,8 +3470,9 @@ nct6775_check_fan_inputs(struct nct6775_data *data) 
		regval = superio_inb(sioreg, 0x24);

		fan3pin = !(regval & 0x80);

		pwm3pin = regval & 0x08;

	} else { /* NCT6779D, NCT6791D, NCT6792D, NCT6793D, or NCT6795D */

		int regval_1b, regval_2a, regval_2f, regval_eb;

	} else {

		/* NCT6779D, NCT6791D, NCT6792D, NCT6793D, NCT6795D, NCT6796D */

		int regval_1b, regval_2a, regval_2f;

		bool dsw_en;



		regval = superio_inb(sioreg, 0x1c);
@@ -3447,6 +3494,7 @@ nct6775_check_fan_inputs(struct nct6775_data *data) 
			break;

		case nct6793:

		case nct6795:

		case nct6796:

			regval_1b = superio_inb(sioreg, 0x1b);

			regval_2a = superio_inb(sioreg, 0x2a);

			regval_2f = superio_inb(sioreg, 0x2f);
@@ -3458,13 +3506,15 @@ nct6775_check_fan_inputs(struct nct6775_data *data) 
			if (!fan5pin)

				fan5pin = regval_1b & BIT(5);



			superio_select(sioreg, NCT6775_LD_12);

			if (data->kind != nct6796) {

				int regval_eb = superio_inb(sioreg, 0xeb);



				if (!dsw_en) {

					fan6pin = regval & BIT(1);

					pwm6pin = regval & BIT(0);

				}



			superio_select(sioreg, NCT6775_LD_12);

			regval_eb = superio_inb(sioreg, 0xeb);

				if (!fan5pin)

					fan5pin = regval_eb & BIT(5);

				if (!pwm5pin)
@@ -3474,8 +3524,9 @@ nct6775_check_fan_inputs(struct nct6775_data *data) 
					fan6pin = regval_eb & BIT(3);

				if (!pwm6pin)

					pwm6pin = regval_eb & BIT(2);

			}



			if (data->kind == nct6795) {

			if (data->kind == nct6795 || data->kind == nct6796) {

				int regval_ed = superio_inb(sioreg, 0xed);



				if (!fan6pin)
@@ -3486,6 +3537,15 @@ nct6775_check_fan_inputs(struct nct6775_data *data) 
					pwm6pin = (regval_2a & BIT(3)) &&

					  (regval_ed & BIT(2));

			}



			if (data->kind == nct6796) {

				int regval_1d = superio_inb(sioreg, 0x1d);

				int regval_2b = superio_inb(sioreg, 0x2b);



				fan7pin = !(regval_2b & BIT(2));

				pwm7pin = !(regval_1d & (BIT(2) | BIT(3)));

			}



			break;

		default:	/* NCT6779D */

			break;
@@ -3496,11 +3556,11 @@ nct6775_check_fan_inputs(struct nct6775_data *data) 


	/* fan 1 and 2 (0x03) are always present */

	data->has_fan = 0x03 | (fan3pin << 2) | (fan4pin << 3) |

		(fan5pin << 4) | (fan6pin << 5);

		(fan5pin << 4) | (fan6pin << 5) | (fan7pin << 6);

	data->has_fan_min = 0x03 | (fan3pin << 2) | (fan4min << 3) |

		(fan5pin << 4) | (fan6pin << 5);

		(fan5pin << 4) | (fan6pin << 5) | (fan7pin << 6);

	data->has_pwm = 0x03 | (pwm3pin << 2) | (pwm4pin << 3) |

		(pwm5pin << 4) | (pwm6pin << 5);

		(pwm5pin << 4) | (pwm6pin << 5) | (pwm7pin << 6);

}



static void add_temp_sensors(struct nct6775_data *data, const u16 *regp,
@@ -3859,8 +3919,9 @@ static int nct6775_probe(struct platform_device *pdev) 
	case nct6792:

	case nct6793:

	case nct6795:

	case nct6796:

		data->in_num = 15;

		data->pwm_num = 6;

		data->pwm_num = (data->kind == nct6796) ? 7 : 6;

		data->auto_pwm_num = 4;

		data->has_fan_div = false;

		data->temp_fixed_num = 6;
@@ -3894,6 +3955,10 @@ static int nct6775_probe(struct platform_device *pdev) 
			data->temp_label = nct6795_temp_label;

			data->temp_mask = NCT6795_TEMP_MASK;

			break;

		case nct6796:

			data->temp_label = nct6796_temp_label;

			data->temp_mask = NCT6796_TEMP_MASK;

			break;

		}



		data->REG_CONFIG = NCT6775_REG_CONFIG;
@@ -4162,6 +4227,7 @@ static int nct6775_probe(struct platform_device *pdev) 
	case nct6792:

	case nct6793:

	case nct6795:

	case nct6796:

		break;

	}
@@ -4196,6 +4262,7 @@ static int nct6775_probe(struct platform_device *pdev) 
		case nct6792:

		case nct6793:

		case nct6795:

		case nct6796:

			tmp |= 0x7e;

			break;

		}
@@ -4294,7 +4361,8 @@ static int __maybe_unused nct6775_resume(struct device *dev) 
		superio_outb(sioreg, SIO_REG_ENABLE, data->sio_reg_enable);



	if (data->kind == nct6791 || data->kind == nct6792 ||

	    data->kind == nct6793 || data->kind == nct6795)

	    data->kind == nct6793 || data->kind == nct6795 ||

	    data->kind == nct6796)

		nct6791_enable_io_mapping(sioreg);



	superio_exit(sioreg);
@@ -4394,6 +4462,9 @@ static int __init nct6775_find(int sioaddr, struct nct6775_sio_data *sio_data) 
	case SIO_NCT6795_ID:

		sio_data->kind = nct6795;

		break;

	case SIO_NCT6796_ID:

		sio_data->kind = nct6796;

		break;

	default:

		if (val != 0xffff)

			pr_debug("unsupported chip ID: 0x%04x\n", val);
@@ -4420,7 +4491,8 @@ static int __init nct6775_find(int sioaddr, struct nct6775_sio_data *sio_data) 
	}



	if (sio_data->kind == nct6791 || sio_data->kind == nct6792 ||

	    sio_data->kind == nct6793 || sio_data->kind == nct6795)

	    sio_data->kind == nct6793 || sio_data->kind == nct6795 ||

	    sio_data->kind == nct6796)

		nct6791_enable_io_mapping(sioaddr);



	superio_exit(sioaddr);