* Copyright (C) 2012 Guenter Roeck <linux@roeck-us.net>
*
* Derived from w83627ehf driver
- * Copyright (C) 2005-2012 Jean Delvare <khali@linux-fr.org>
+ * Copyright (C) 2005-2012 Jean Delvare <jdelvare@suse.de>
* Copyright (C) 2006 Yuan Mu (Winbond),
* Rudolf Marek <r.marek@assembler.cz>
* David Hubbard <david.c.hubbard@gmail.com>
* nct6776f 9 5 3 6+3 0xc330 0xc1 0x5ca3
* nct6779d 15 5 5 2+6 0xc560 0xc1 0x5ca3
* nct6791d 15 6 6 2+6 0xc800 0xc1 0x5ca3
+ * 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).
#include <linux/err.h>
#include <linux/mutex.h>
#include <linux/acpi.h>
+#include <linux/bitops.h>
+#include <linux/dmi.h>
#include <linux/io.h>
+#include <linux/debugfs.h>
#include "lm75.h"
#include "compat.h"
#define USE_ALTERNATE
-enum kinds { nct6106, nct6775, nct6776, nct6779, nct6791 };
+enum kinds { nct6106, nct6775, nct6776, nct6779, nct6791, nct6792, nct6793,
+ nct6795, nct6796 };
/* used to set data->name = nct6775_device_names[data->sio_kind] */
static const char * const nct6775_device_names[] = {
"nct6776",
"nct6779",
"nct6791",
+ "nct6792",
+ "nct6793",
+ "nct6795",
+ "nct6796",
+};
+
+static const char * const nct6775_sio_names[] __initconst = {
+ "NCT6106D",
+ "NCT6775F",
+ "NCT6776D/F",
+ "NCT6779D",
+ "NCT6791D",
+ "NCT6792D",
+ "NCT6793D",
+ "NCT6795D",
+ "NCT6796D",
};
static unsigned short force_id;
#define NCT6775_LD_ACPI 0x0a
#define NCT6775_LD_HWM 0x0b
#define NCT6775_LD_VID 0x0d
+#define NCT6775_LD_12 0x12
#define SIO_REG_LDSEL 0x07 /* Logical device select */
#define SIO_REG_DEVID 0x20 /* Device ID (2 bytes) */
#define SIO_NCT6776_ID 0xc330
#define SIO_NCT6779_ID 0xc560
#define SIO_NCT6791_ID 0xc800
+#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 };
#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
/* Common and NCT6775 specific data */
/* 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 };
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 };
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))
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[] = {
"",
"PCH_DIM3_TEMP"
};
-static const u16 NCT6775_REG_TEMP_ALTERNATE[ARRAY_SIZE(nct6775_temp_label) - 1]
- = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x661, 0x662, 0x664 };
+#define NCT6775_TEMP_MASK 0x001ffffe
-static const u16 NCT6775_REG_TEMP_CRIT[ARRAY_SIZE(nct6775_temp_label) - 1]
- = { 0, 0, 0, 0, 0xa00, 0xa01, 0xa02, 0xa03, 0xa04, 0xa05, 0xa06,
- 0xa07 };
+static const u16 NCT6775_REG_TEMP_ALTERNATE[32] = {
+ [13] = 0x661,
+ [14] = 0x662,
+ [15] = 0x664,
+};
+
+static const u16 NCT6775_REG_TEMP_CRIT[32] = {
+ [4] = 0xa00,
+ [5] = 0xa01,
+ [6] = 0xa02,
+ [7] = 0xa03,
+ [8] = 0xa04,
+ [9] = 0xa05,
+ [10] = 0xa06,
+ [11] = 0xa07
+};
/* NCT6776 specific data */
+/* STEP_UP_TIME and STEP_DOWN_TIME regs are swapped for all chips but NCT6775 */
+#define NCT6776_REG_FAN_STEP_UP_TIME NCT6775_REG_FAN_STEP_DOWN_TIME
+#define NCT6776_REG_FAN_STEP_DOWN_TIME NCT6775_REG_FAN_STEP_UP_TIME
+
static const s8 NCT6776_ALARM_BITS[] = {
0, 1, 2, 3, 8, 21, 20, 16, /* in0.. in7 */
17, -1, -1, -1, -1, -1, -1, /* in8..in14 */
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 };
-static const u16 NCT6776_REG_FAN_PULSES[] = { 0x644, 0x645, 0x646, 0, 0 };
+static const u16 NCT6776_REG_FAN_MIN[] = {
+ 0x63a, 0x63c, 0x63e, 0x640, 0x642, 0x64a, 0x64c };
+static const u16 NCT6776_REG_FAN_PULSES[] = {
+ 0x644, 0x645, 0x646, 0x647, 0x648, 0x649, 0 };
static const u16 NCT6776_REG_WEIGHT_DUTY_BASE[] = {
0x13e, 0x23e, 0x33e, 0x83e, 0x93e, 0xa3e };
"BYTE_TEMP"
};
-static const u16 NCT6776_REG_TEMP_ALTERNATE[ARRAY_SIZE(nct6776_temp_label) - 1]
- = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x401, 0x402, 0x404 };
+#define NCT6776_TEMP_MASK 0x007ffffe
+
+static const u16 NCT6776_REG_TEMP_ALTERNATE[32] = {
+ [14] = 0x401,
+ [15] = 0x402,
+ [16] = 0x404,
+};
-static const u16 NCT6776_REG_TEMP_CRIT[ARRAY_SIZE(nct6776_temp_label) - 1]
- = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x709, 0x70a };
+static const u16 NCT6776_REG_TEMP_CRIT[32] = {
+ [11] = 0x709,
+ [12] = 0x70a,
+};
/* NCT6779 specific data */
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 };
"PCH_DIM1_TEMP",
"PCH_DIM2_TEMP",
"PCH_DIM3_TEMP",
- "BYTE_TEMP"
+ "BYTE_TEMP",
+ "",
+ "",
+ "",
+ "",
+ "Virtual_TEMP"
};
-static const u16 NCT6779_REG_TEMP_ALTERNATE[ARRAY_SIZE(nct6779_temp_label) - 1]
+#define NCT6779_TEMP_MASK 0x07ffff7e
+#define NCT6791_TEMP_MASK 0x87ffff7e
+
+static const u16 NCT6779_REG_TEMP_ALTERNATE[32]
= { 0x490, 0x491, 0x492, 0x493, 0x494, 0x495, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0x400, 0x401, 0x402, 0x404, 0x405, 0x406, 0x407,
0x408, 0 };
-static const u16 NCT6779_REG_TEMP_CRIT[ARRAY_SIZE(nct6779_temp_label) - 1]
- = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x709, 0x70a };
+static const u16 NCT6779_REG_TEMP_CRIT[32] = {
+ [15] = 0x709,
+ [16] = 0x70a,
+};
/* NCT6791 specific data */
#define NCT6791_REG_HM_IO_SPACE_LOCK_ENABLE 0x28
+static const u16 NCT6791_REG_WEIGHT_TEMP_SEL[NUM_FAN] = { 0, 0x239 };
+static const u16 NCT6791_REG_WEIGHT_TEMP_STEP[NUM_FAN] = { 0, 0x23a };
+static const u16 NCT6791_REG_WEIGHT_TEMP_STEP_TOL[NUM_FAN] = { 0, 0x23b };
+static const u16 NCT6791_REG_WEIGHT_DUTY_STEP[NUM_FAN] = { 0, 0x23c };
+static const u16 NCT6791_REG_WEIGHT_TEMP_BASE[NUM_FAN] = { 0, 0x23d };
+static const u16 NCT6791_REG_WEIGHT_DUTY_BASE[NUM_FAN] = { 0, 0x23e };
+
static const u16 NCT6791_REG_ALARM[NUM_REG_ALARM] = {
0x459, 0x45A, 0x45B, 0x568, 0x45D };
4, 5, 13, -1, -1, -1, /* temp1..temp6 */
12, 9 }; /* intrusion0, intrusion1 */
+/* NCT6792/NCT6793 specific data */
+
+static const u16 NCT6792_REG_TEMP_MON[] = {
+ 0x73, 0x75, 0x77, 0x79, 0x7b, 0x7d };
+static const u16 NCT6792_REG_BEEP[NUM_REG_BEEP] = {
+ 0xb2, 0xb3, 0xb4, 0xb5, 0xbf };
+
+static const char *const nct6792_temp_label[] = {
+ "",
+ "SYSTIN",
+ "CPUTIN",
+ "AUXTIN0",
+ "AUXTIN1",
+ "AUXTIN2",
+ "AUXTIN3",
+ "",
+ "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",
+ "PECI Agent 0 Calibration",
+ "PECI Agent 1 Calibration",
+ "",
+ "",
+ "Virtual_TEMP"
+};
+
+#define NCT6792_TEMP_MASK 0x9fffff7e
+
+static const char *const nct6793_temp_label[] = {
+ "",
+ "SYSTIN",
+ "CPUTIN",
+ "AUXTIN0",
+ "AUXTIN1",
+ "AUXTIN2",
+ "AUXTIN3",
+ "",
+ "SMBUSMASTER 0",
+ "SMBUSMASTER 1",
+ "",
+ "",
+ "",
+ "",
+ "",
+ "",
+ "PECI Agent 0",
+ "PECI Agent 1",
+ "PCH_CHIP_CPU_MAX_TEMP",
+ "PCH_CHIP_TEMP",
+ "PCH_CPU_TEMP",
+ "PCH_MCH_TEMP",
+ "Agent0 Dimm0 ",
+ "Agent0 Dimm1",
+ "Agent1 Dimm0",
+ "Agent1 Dimm1",
+ "BYTE_TEMP0",
+ "BYTE_TEMP1",
+ "PECI Agent 0 Calibration",
+ "PECI Agent 1 Calibration",
+ "",
+ "Virtual_TEMP"
+};
+
+#define NCT6793_TEMP_MASK 0xbfff037e
+
+static const char *const nct6795_temp_label[] = {
+ "",
+ "SYSTIN",
+ "CPUTIN",
+ "AUXTIN0",
+ "AUXTIN1",
+ "AUXTIN2",
+ "AUXTIN3",
+ "",
+ "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_TEMP0",
+ "BYTE_TEMP1",
+ "PECI Agent 0 Calibration",
+ "PECI Agent 1 Calibration",
+ "",
+ "Virtual_TEMP"
+};
+
+#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 */
34, -1 /* intrusion0, intrusion1 */
};
-static const u16 NCT6106_REG_TEMP_ALTERNATE[ARRAY_SIZE(nct6776_temp_label) - 1]
- = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x51, 0x52, 0x54 };
+static const u16 NCT6106_REG_TEMP_ALTERNATE[32] = {
+ [14] = 0x51,
+ [15] = 0x52,
+ [16] = 0x54,
+};
-static const u16 NCT6106_REG_TEMP_CRIT[ARRAY_SIZE(nct6776_temp_label) - 1]
- = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x204, 0x205 };
+static const u16 NCT6106_REG_TEMP_CRIT[32] = {
+ [11] = 0x204,
+ [12] = 0x205,
+};
static enum pwm_enable reg_to_pwm_enable(int pwm, int mode)
{
static inline unsigned int
div_from_reg(u8 reg)
{
- return 1 << reg;
+ return BIT(reg);
}
/*
enum kinds kind;
const char *name;
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 13, 0)
struct device *hwmon_dev;
- struct attribute_group *group_in;
- struct attribute_group *group_fan;
- struct attribute_group *group_temp;
- struct attribute_group *group_pwm;
+#endif
+
+ const struct attribute_group *groups[6];
u16 reg_temp[5][NUM_TEMP]; /* 0=temp, 1=temp_over, 2=temp_hyst,
* 3=temp_crit, 4=temp_lcrit
u8 temp_src[NUM_TEMP];
u16 reg_temp_config[NUM_TEMP];
const char * const *temp_label;
- int temp_label_num;
+ u32 temp_mask;
u16 REG_CONFIG;
u16 REG_VBAT;
u16 have_temp;
u16 have_temp_fixed;
u16 have_in;
-#ifdef CONFIG_PM
+
/* Remember extra register values over suspend/resume */
u8 vbat;
u8 fandiv1;
u8 fandiv2;
-#endif
+ u8 sio_reg_enable;
};
struct nct6775_sio_data {
enum kinds kind;
};
+#ifdef CONFIG_DEBUG_FS
+
+static u16 nct6775_read_temp(struct nct6775_data *data, u16 reg);
+static u16 nct6775_read_value(struct nct6775_data *data, u16 reg);
+
+static const char *temp_attr_names[5] = {
+ "input",
+ "max",
+ "hyst",
+ "crit",
+ "lcrit",
+};
+
+static int nct6775_seq_show(struct seq_file *s, void *v)
+{
+ struct device *dev = (struct device *)s->private;
+ struct nct6775_data *data = dev_get_drvdata(dev);
+ int i, j;
+
+ seq_printf(s, "Temperatures:\n");
+ for (i = 0; i < NUM_TEMP; i++) {
+ if (!(data->have_temp & BIT(i)))
+ continue;
+ seq_printf(s, " temp%d [source %d, %s]:\n", i + 1,
+ data->temp_src[i],
+ data->temp_label[data->temp_src[i]]);
+ for (j = 0; j < ARRAY_SIZE(data->reg_temp); j++) {
+ if (data->reg_temp[j][i]) {
+ seq_printf(s, " %s: reg=0x%x val=0x%x cached 0x%x\n",
+ temp_attr_names[j],
+ data->reg_temp[j][i],
+ nct6775_read_temp(data, data->reg_temp[j][i]),
+ (u16)data->temp[j][i]);
+ }
+ }
+ }
+ seq_printf(s, "Temperature sources:\n");
+ for (i = 0; i < data->num_temp_alarms; i++) {
+ seq_printf(s, " index %d register 0x%x: val=0x%x\n",
+ i, data->REG_TEMP_SOURCE[i],
+ nct6775_read_value(data, data->REG_TEMP_SOURCE[i]) & 0x1f);
+ }
+ return 0;
+}
+
+static int nct6775_debug_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, nct6775_seq_show, inode->i_private);
+}
+
+static const struct file_operations nct6775_debug_operations = {
+ .open = nct6775_debug_open,
+ .llseek = seq_lseek,
+ .read = seq_read,
+ .release = single_release,
+};
+
+static void nct6775_debugfs_exit(void *data)
+{
+ debugfs_remove_recursive(data);
+}
+
+static int nct6775_debugfs_init(struct device *dev)
+{
+ struct dentry *rootdir;
+
+ rootdir = debugfs_create_dir(dev_name(dev), NULL);
+ if (!rootdir)
+ return -ENOMEM;
+
+ devm_add_action(dev, nct6775_debugfs_exit, rootdir);
+
+ debugfs_create_file("registers", S_IFREG | 0444, rootdir,
+ dev, &nct6775_debug_operations);
+
+ return 0;
+}
+
+#else
+static int nct6775_debugfs_init(struct device *dev) { return 0; }
+#endif
+
struct sensor_device_template {
struct device_attribute dev_attr;
union {
};
static struct attribute_group *
-nct6775_create_attr_group(struct device *dev, struct sensor_template_group *tg,
+nct6775_create_attr_group(struct device *dev,
+ const struct sensor_template_group *tg,
int repeat)
{
struct attribute_group *group;
struct sensor_device_attribute_2 *a2;
struct attribute **attrs;
struct sensor_device_template **t;
- int err, i, j, count;
+ int i, count;
if (repeat <= 0)
return ERR_PTR(-EINVAL);
for (i = 0; i < repeat; i++) {
t = tg->templates;
- for (j = 0; *t != NULL; j++) {
+ while (*t != NULL) {
snprintf(su->name, sizeof(su->name),
(*t)->dev_attr.attr.name, tg->base + i);
if ((*t)->s2) {
a2 = &su->u.a2;
+ sysfs_attr_init(&a2->dev_attr.attr);
a2->dev_attr.attr.name = su->name;
a2->nr = (*t)->u.s.nr + i;
a2->index = (*t)->u.s.index;
*attrs = &a2->dev_attr.attr;
} else {
a = &su->u.a1;
+ sysfs_attr_init(&a->dev_attr.attr);
a->dev_attr.attr.name = su->name;
a->index = (*t)->u.index + i;
a->dev_attr.attr.mode =
}
}
- err = sysfs_create_group(&dev->kobj, group);
- if (err)
- return ERR_PTR(-ENOMEM);
-
return group;
}
reg == 0x73 || reg == 0x75 || reg == 0x77;
case nct6779:
case nct6791:
+ 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 == 0x640 || reg == 0x642 || reg == 0x64a ||
+ reg == 0x64c || reg == 0x660 ||
reg == 0x73 || reg == 0x75 || reg == 0x77 || reg == 0x79 ||
- reg == 0x7b;
+ reg == 0x7b || reg == 0x7d;
}
return false;
}
static inline void nct6775_set_bank(struct nct6775_data *data, u16 reg)
{
u8 bank = reg >> 8;
+
if (data->bank != bank) {
outb_p(NCT6775_REG_BANK, data->addr + ADDR_REG_OFFSET);
outb_p(bank, data->addr + DATA_REG_OFFSET);
data->fan_div[1] = (i & 0x70) >> 4;
i = nct6775_read_value(data, NCT6775_REG_FANDIV2);
data->fan_div[2] = i & 0x7;
- if (data->has_fan & (1 << 3))
+ if (data->has_fan & BIT(3))
data->fan_div[3] = (i & 0x70) >> 4;
}
* We'll compute a better divider later on.
*/
for (i = 0; i < ARRAY_SIZE(data->fan_div); i++) {
- if (!(data->has_fan & (1 << i)))
+ if (!(data->has_fan & BIT(i)))
continue;
if (data->fan_div[i] == 0) {
data->fan_div[i] = 7;
* prevents the unnecessary warning when fanX_min is reported as 0.
*/
for (i = 0; i < ARRAY_SIZE(data->fan_min); i++) {
- if (data->has_fan_min & (1 << i)) {
+ if (data->has_fan_min & BIT(i)) {
reg = nct6775_read_value(data, data->REG_FAN_MIN[i]);
if (!reg)
nct6775_write_value(data, data->REG_FAN_MIN[i],
div_from_reg(fan_div));
/* Preserve min limit if possible */
- if (data->has_fan_min & (1 << nr)) {
+ if (data->has_fan_min & BIT(nr)) {
fan_min = data->fan_min[nr];
if (fan_div > data->fan_div[nr]) {
if (fan_min != 255 && fan_min > 1)
bool duty_is_dc;
for (i = 0; i < data->pwm_num; i++) {
- if (!(data->has_pwm & (1 << i)))
+ if (!(data->has_pwm & BIT(i)))
continue;
duty_is_dc = data->REG_PWM_MODE[i] &&
(nct6775_read_value(data, data->REG_PWM_MODE[i])
& data->PWM_MODE_MASK[i]);
- data->pwm_mode[i] = duty_is_dc;
+ data->pwm_mode[i] = !duty_is_dc;
fanmodecfg = nct6775_read_value(data, data->REG_FAN_MODE[i]);
for (j = 0; j < ARRAY_SIZE(data->REG_PWM); j++) {
if (!data->target_speed_tolerance[i] ||
data->pwm_enable[i] == speed_cruise) {
u8 t = fanmodecfg & 0x0f;
+
if (data->REG_TOLERANCE_H) {
t |= (nct6775_read_value(data,
data->REG_TOLERANCE_H[i]) & 0x70) >> 1;
if (reg & 0x80)
data->pwm[2][i] = 0;
+ if (!data->REG_WEIGHT_TEMP_SEL[i])
+ continue;
+
reg = nct6775_read_value(data, data->REG_WEIGHT_TEMP_SEL[i]);
data->pwm_weight_temp_sel[i] = reg & 0x1f;
/* If weight is disabled, report weight source as 0 */
u16 reg_t;
for (i = 0; i < data->pwm_num; i++) {
- if (!(data->has_pwm & (1 << i)))
+ if (!(data->has_pwm & BIT(i)))
continue;
for (j = 0; j < ARRAY_SIZE(data->fan_time); j++) {
case nct6106:
case nct6779:
case nct6791:
+ 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)
/* Measured voltages and limits */
for (i = 0; i < data->in_num; i++) {
- if (!(data->have_in & (1 << i)))
+ if (!(data->have_in & BIT(i)))
continue;
data->in[i][0] = nct6775_read_value(data,
for (i = 0; i < ARRAY_SIZE(data->rpm); i++) {
u16 reg;
- if (!(data->has_fan & (1 << i)))
+ if (!(data->has_fan & BIT(i)))
continue;
reg = nct6775_read_value(data, data->REG_FAN[i]);
data->rpm[i] = data->fan_from_reg(reg,
data->fan_div[i]);
- if (data->has_fan_min & (1 << i))
+ if (data->has_fan_min & BIT(i))
data->fan_min[i] = nct6775_read_value(data,
data->REG_FAN_MIN[i]);
data->fan_pulses[i] =
/* Measured temperatures and limits */
for (i = 0; i < NUM_TEMP; i++) {
- if (!(data->have_temp & (1 << i)))
+ if (!(data->have_temp & BIT(i)))
continue;
for (j = 0; j < ARRAY_SIZE(data->reg_temp); j++) {
if (data->reg_temp[j][i])
= nct6775_read_temp(data,
data->reg_temp[j][i]);
}
- if (!(data->have_temp_fixed & (1 << i)))
+ if (i >= NUM_TEMP_FIXED ||
+ !(data->have_temp_fixed & BIT(i)))
continue;
data->temp_offset[i]
= nct6775_read_value(data, data->REG_TEMP_OFFSET[i]);
data->alarms = 0;
for (i = 0; i < NUM_REG_ALARM; i++) {
u8 alarm;
+
if (!data->REG_ALARM[i])
continue;
alarm = nct6775_read_value(data, data->REG_ALARM[i]);
data->beeps = 0;
for (i = 0; i < NUM_REG_BEEP; i++) {
u8 beep;
+
if (!data->REG_BEEP[i])
continue;
beep = nct6775_read_value(data, data->REG_BEEP[i]);
{
struct nct6775_data *data = nct6775_update_device(dev);
struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr);
- int nr = sattr->nr;
int index = sattr->index;
+ int nr = sattr->nr;
+
return sprintf(buf, "%ld\n", in_from_reg(data->in[nr][index], nr));
}
{
struct nct6775_data *data = dev_get_drvdata(dev);
struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr);
- int nr = sattr->nr;
int index = sattr->index;
+ int nr = sattr->nr;
unsigned long val;
- int err = kstrtoul(buf, 10, &val);
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
if (err < 0)
return err;
mutex_lock(&data->update_lock);
struct nct6775_data *data = nct6775_update_device(dev);
struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr);
int nr = data->ALARM_BITS[sattr->index];
+
return sprintf(buf, "%u\n",
(unsigned int)((data->alarms >> nr) & 0x01));
}
if (src == source)
return nr;
}
- return -1;
+ return -ENODEV;
}
static ssize_t
nr = find_temp_source(data, sattr->index, data->num_temp_alarms);
if (nr >= 0) {
int bit = data->ALARM_BITS[nr + TEMP_ALARM_BASE];
+
alarm = (data->alarms >> bit) & 0x01;
}
return sprintf(buf, "%u\n", alarm);
int nr = data->BEEP_BITS[sattr->index];
int regindex = nr >> 3;
unsigned long val;
+ int err;
- int err = kstrtoul(buf, 10, &val);
+ err = kstrtoul(buf, 10, &val);
if (err < 0)
return err;
if (val > 1)
nr = find_temp_source(data, sattr->index, data->num_temp_beeps);
if (nr >= 0) {
int bit = data->BEEP_BITS[nr + TEMP_ALARM_BASE];
+
beep = (data->beeps >> bit) & 0x01;
}
return sprintf(buf, "%u\n", beep);
struct nct6775_data *data = dev_get_drvdata(dev);
int nr, bit, regindex;
unsigned long val;
+ int err;
- int err = kstrtoul(buf, 10, &val);
+ err = kstrtoul(buf, 10, &val);
if (err < 0)
return err;
if (val > 1)
nr = find_temp_source(data, sattr->index, data->num_temp_beeps);
if (nr < 0)
- return -ENODEV;
+ return nr;
bit = data->BEEP_BITS[nr + TEMP_ALARM_BASE];
regindex = bit >> 3;
struct nct6775_data *data = dev_get_drvdata(dev);
int in = index / 5; /* voltage index */
- if (!(data->have_in & (1 << in)))
+ if (!(data->have_in & BIT(in)))
return 0;
return attr->mode;
NULL
};
-static struct sensor_template_group nct6775_in_template_group = {
+static const struct sensor_template_group nct6775_in_template_group = {
.templates = nct6775_attributes_in_template,
.is_visible = nct6775_in_is_visible,
};
struct nct6775_data *data = nct6775_update_device(dev);
struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr);
int nr = sattr->index;
+
return sprintf(buf, "%d\n", data->rpm[nr]);
}
struct nct6775_data *data = nct6775_update_device(dev);
struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr);
int nr = sattr->index;
+
return sprintf(buf, "%d\n",
data->fan_from_reg_min(data->fan_min[nr],
data->fan_div[nr]));
struct nct6775_data *data = nct6775_update_device(dev);
struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr);
int nr = sattr->index;
+
return sprintf(buf, "%u\n", div_from_reg(data->fan_div[nr]));
}
struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr);
int nr = sattr->index;
unsigned long val;
- int err;
unsigned int reg;
u8 new_div;
+ int err;
err = kstrtoul(buf, 10, &val);
if (err < 0)
* even with the highest divider (128)
*/
data->fan_min[nr] = 254;
- new_div = 7; /* 128 == (1 << 7) */
+ new_div = 7; /* 128 == BIT(7) */
dev_warn(dev,
"fan%u low limit %lu below minimum %u, set to minimum\n",
nr + 1, val, data->fan_from_reg_min(254, 7));
* even with the lowest divider (1)
*/
data->fan_min[nr] = 1;
- new_div = 0; /* 1 == (1 << 0) */
+ new_div = 0; /* 1 == BIT(0) */
dev_warn(dev,
"fan%u low limit %lu above maximum %u, set to maximum\n",
nr + 1, val, data->fan_from_reg_min(1, 0));
int fan = index / 6; /* fan index */
int nr = index % 6; /* attribute index */
- if (!(data->has_fan & (1 << fan)))
+ if (!(data->has_fan & BIT(fan)))
return 0;
if (nr == 1 && data->ALARM_BITS[FAN_ALARM_BASE + fan] == -1)
return 0;
if (nr == 2 && data->BEEP_BITS[FAN_ALARM_BASE + fan] == -1)
return 0;
- if (nr == 4 && !(data->has_fan_min & (1 << fan)))
+ 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)
return 0;
NULL
};
-static struct sensor_template_group nct6775_fan_template_group = {
+static const struct sensor_template_group nct6775_fan_template_group = {
.templates = nct6775_attributes_fan_template,
.is_visible = nct6775_fan_is_visible,
.base = 1,
struct nct6775_data *data = nct6775_update_device(dev);
struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr);
int nr = sattr->index;
+
return sprintf(buf, "%s\n", data->temp_label[data->temp_src[nr]]);
}
struct nct6775_data *data = nct6775_update_device(dev);
struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr);
int nr = sattr->index;
+
return sprintf(buf, "%d\n", (int)data->temp_type[nr]);
}
int temp = index / 10; /* temp index */
int nr = index % 10; /* attribute index */
- if (!(data->have_temp & (1 << temp)))
+ if (!(data->have_temp & BIT(temp)))
+ return 0;
+
+ if (nr == 1 && !data->temp_label)
return 0;
if (nr == 2 && find_temp_source(data, temp, data->num_temp_alarms) < 0)
return 0;
/* offset and type only apply to fixed sensors */
- if (nr > 7 && !(data->have_temp_fixed & (1 << temp)))
+ if (nr > 7 && !(data->have_temp_fixed & BIT(temp)))
return 0;
return attr->mode;
NULL
};
-static struct sensor_template_group nct6775_temp_template_group = {
+static const struct sensor_template_group nct6775_temp_template_group = {
.templates = nct6775_attributes_temp_template,
.is_visible = nct6775_temp_is_visible,
.base = 1,
struct nct6775_data *data = nct6775_update_device(dev);
struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr);
- return sprintf(buf, "%d\n", !data->pwm_mode[sattr->index]);
+ return sprintf(buf, "%d\n", data->pwm_mode[sattr->index]);
}
static ssize_t
if (val > 1)
return -EINVAL;
- /* Setting DC mode is not supported for all chips/channels */
+ /* Setting DC mode (0) is not supported for all chips/channels */
if (data->REG_PWM_MODE[nr] == 0) {
- if (val)
+ if (!val)
return -EINVAL;
return count;
}
data->pwm_mode[nr] = val;
reg = nct6775_read_value(data, data->REG_PWM_MODE[nr]);
reg &= ~data->PWM_MODE_MASK[nr];
- if (val)
+ if (!val)
reg |= data->PWM_MODE_MASK[nr];
nct6775_write_value(data, data->REG_PWM_MODE[nr], reg);
mutex_unlock(&data->update_lock);
int i, sel = 0;
for (i = 0; i < NUM_TEMP; i++) {
- if (!(data->have_temp & (1 << i)))
+ if (!(data->have_temp & BIT(i)))
continue;
if (src == data->temp_src[i]) {
sel = i + 1;
return err;
if (val == 0 || val > NUM_TEMP)
return -EINVAL;
- if (!(data->have_temp & (1 << (val - 1))) || !data->temp_src[val - 1])
+ if (!(data->have_temp & BIT(val - 1)) || !data->temp_src[val - 1])
return -EINVAL;
mutex_lock(&data->update_lock);
return err;
if (val > NUM_TEMP)
return -EINVAL;
- if (val && (!(data->have_temp & (1 << (val - 1))) ||
+ if (val && (!(data->have_temp & BIT(val - 1)) ||
!data->temp_src[val - 1]))
return -EINVAL;
return count;
}
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 13, 0)
static ssize_t
show_name(struct device *dev, struct device_attribute *attr, char *buf)
{
}
static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
+#endif
static ssize_t
show_auto_pwm(struct device *dev, struct device_attribute *attr, char *buf)
case nct6106:
case nct6779:
case nct6791:
+ case nct6792:
+ case nct6793:
+ case nct6795:
+ case nct6796:
nct6775_write_value(data, data->REG_CRITICAL_PWM[nr],
val);
reg = nct6775_read_value(data,
int pwm = index / 36; /* pwm index */
int nr = index % 36; /* attribute index */
- if (!(data->has_pwm & (1 << pwm)))
+ if (!(data->has_pwm & BIT(pwm)))
return 0;
+ if ((nr >= 14 && nr <= 18) || nr == 21) /* weight */
+ if (!data->REG_WEIGHT_TEMP_SEL[pwm])
+ return 0;
if (nr == 19 && data->REG_PWM[3] == NULL) /* pwm_max */
return 0;
if (nr == 20 && data->REG_PWM[4] == NULL) /* pwm_step */
&sensor_dev_template_pwm_step_down_time,
&sensor_dev_template_pwm_start,
&sensor_dev_template_pwm_floor,
- &sensor_dev_template_pwm_weight_temp_sel,
+ &sensor_dev_template_pwm_weight_temp_sel, /* 14 */
&sensor_dev_template_pwm_weight_temp_step,
&sensor_dev_template_pwm_weight_temp_step_tol,
&sensor_dev_template_pwm_weight_temp_step_base,
- &sensor_dev_template_pwm_weight_duty_step,
+ &sensor_dev_template_pwm_weight_duty_step, /* 18 */
&sensor_dev_template_pwm_max, /* 19 */
&sensor_dev_template_pwm_step, /* 20 */
&sensor_dev_template_pwm_weight_duty_base, /* 21 */
NULL
};
-static struct sensor_template_group nct6775_pwm_template_group = {
+static const struct sensor_template_group nct6775_pwm_template_group = {
.templates = nct6775_attributes_pwm_template,
.is_visible = nct6775_pwm_is_visible,
.base = 1,
};
static ssize_t
-show_vid(struct device *dev, struct device_attribute *attr, char *buf)
+cpu0_vid_show(struct device *dev, struct device_attribute *attr, char *buf)
{
struct nct6775_data *data = dev_get_drvdata(dev);
+
return sprintf(buf, "%d\n", vid_from_reg(data->vid, data->vrm));
}
-static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid, NULL);
+static DEVICE_ATTR_RO(cpu0_vid);
/* Case open detection */
struct device *dev = container_of(kobj, struct device, kobj);
struct nct6775_data *data = dev_get_drvdata(dev);
- if (index == 1 && !data->have_vid)
+ if (index == 0 && !data->have_vid)
return 0;
- if (index == 2 || index == 3) {
- if (data->ALARM_BITS[INTRUSION_ALARM_BASE + index - 2] < 0)
+ if (index == 1 || index == 2) {
+ if (data->ALARM_BITS[INTRUSION_ALARM_BASE + index - 1] < 0)
return 0;
}
- if (index == 4 || index == 5) {
- if (data->BEEP_BITS[INTRUSION_ALARM_BASE + index - 4] < 0)
+ if (index == 3 || index == 4) {
+ if (data->BEEP_BITS[INTRUSION_ALARM_BASE + index - 3] < 0)
return 0;
}
* Any change in order or content must be matched.
*/
static struct attribute *nct6775_attributes_other[] = {
+ &dev_attr_cpu0_vid.attr, /* 0 */
+ &sensor_dev_attr_intrusion0_alarm.dev_attr.attr, /* 1 */
+ &sensor_dev_attr_intrusion1_alarm.dev_attr.attr, /* 2 */
+ &sensor_dev_attr_intrusion0_beep.dev_attr.attr, /* 3 */
+ &sensor_dev_attr_intrusion1_beep.dev_attr.attr, /* 4 */
+ &sensor_dev_attr_beep_enable.dev_attr.attr, /* 5 */
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 13, 0)
&dev_attr_name.attr,
- &dev_attr_cpu0_vid.attr, /* 1 */
- &sensor_dev_attr_intrusion0_alarm.dev_attr.attr, /* 2 */
- &sensor_dev_attr_intrusion1_alarm.dev_attr.attr, /* 3 */
- &sensor_dev_attr_intrusion0_beep.dev_attr.attr, /* 4 */
- &sensor_dev_attr_intrusion1_beep.dev_attr.attr, /* 5 */
- &sensor_dev_attr_beep_enable.dev_attr.attr, /* 6 */
-
+#endif
NULL
};
.is_visible = nct6775_other_is_visible,
};
-/*
- * Driver and device management
- */
-
-static void nct6775_device_remove_files(struct device *dev)
-{
- struct nct6775_data *data = dev_get_drvdata(dev);
-
- if (data->group_pwm)
- sysfs_remove_group(&dev->kobj, data->group_pwm);
- if (data->group_in)
- sysfs_remove_group(&dev->kobj, data->group_in);
- if (data->group_fan)
- sysfs_remove_group(&dev->kobj, data->group_fan);
- if (data->group_temp)
- sysfs_remove_group(&dev->kobj, data->group_temp);
-
- sysfs_remove_group(&dev->kobj, &nct6775_group_other);
-}
-
-/* Get the monitoring functions started */
static inline void nct6775_init_device(struct nct6775_data *data)
{
int i;
/* Enable temperature sensors if needed */
for (i = 0; i < NUM_TEMP; i++) {
- if (!(data->have_temp & (1 << i)))
+ if (!(data->have_temp & BIT(i)))
continue;
if (!data->reg_temp_config[i])
continue;
diode = nct6775_read_value(data, data->REG_DIODE);
for (i = 0; i < data->temp_fixed_num; i++) {
- if (!(data->have_temp_fixed & (1 << i)))
+ if (!(data->have_temp_fixed & BIT(i)))
continue;
if ((tmp & (data->DIODE_MASK << i))) /* diode */
data->temp_type[i]
static void
nct6775_check_fan_inputs(struct nct6775_data *data)
{
- bool fan3pin, fan4pin, fan4min, fan5pin, fan6pin;
- bool pwm3pin, pwm4pin, pwm5pin, pwm6pin;
+ bool fan3pin = false, fan4pin = false, fan4min = false;
+ bool fan5pin = false, fan6pin = false, fan7pin = false;
+ bool pwm3pin = false, pwm4pin = false, pwm5pin = false;
+ bool pwm6pin = false, pwm7pin = false;
int sioreg = data->sioreg;
int regval;
+ /* Store SIO_REG_ENABLE for use during resume */
+ superio_select(sioreg, NCT6775_LD_HWM);
+ data->sio_reg_enable = superio_inb(sioreg, SIO_REG_ENABLE);
+
/* fan4 and fan5 share some pins with the GPIO and serial flash */
if (data->kind == nct6775) {
regval = superio_inb(sioreg, 0x2c);
- fan3pin = regval & (1 << 6);
- pwm3pin = regval & (1 << 7);
+ fan3pin = regval & BIT(6);
+ pwm3pin = regval & BIT(7);
/* On NCT6775, fan4 shares pins with the fdc interface */
fan4pin = !(superio_inb(sioreg, 0x2A) & 0x80);
- fan4min = false;
- fan5pin = false;
- fan6pin = false;
- pwm4pin = false;
- pwm5pin = false;
- pwm6pin = false;
} else if (data->kind == nct6776) {
bool gpok = superio_inb(sioreg, 0x27) & 0x80;
+ const char *board_vendor, *board_name;
- superio_select(sioreg, NCT6775_LD_HWM);
- regval = superio_inb(sioreg, SIO_REG_ENABLE);
+ board_vendor = dmi_get_system_info(DMI_BOARD_VENDOR);
+ board_name = dmi_get_system_info(DMI_BOARD_NAME);
- if (regval & 0x80)
+ if (board_name && board_vendor &&
+ !strcmp(board_vendor, "ASRock")) {
+ /*
+ * Auxiliary fan monitoring is not enabled on ASRock
+ * Z77 Pro4-M if booted in UEFI Ultra-FastBoot mode.
+ * Observed with BIOS version 2.00.
+ */
+ if (!strcmp(board_name, "Z77 Pro4-M")) {
+ if ((data->sio_reg_enable & 0xe0) != 0xe0) {
+ data->sio_reg_enable |= 0xe0;
+ superio_outb(sioreg, SIO_REG_ENABLE,
+ data->sio_reg_enable);
+ }
+ }
+ }
+
+ if (data->sio_reg_enable & 0x80)
fan3pin = gpok;
else
fan3pin = !(superio_inb(sioreg, 0x24) & 0x40);
- if (regval & 0x40)
+ if (data->sio_reg_enable & 0x40)
fan4pin = gpok;
else
fan4pin = superio_inb(sioreg, 0x1C) & 0x01;
- if (regval & 0x20)
+ if (data->sio_reg_enable & 0x20)
fan5pin = gpok;
else
fan5pin = superio_inb(sioreg, 0x1C) & 0x02;
fan4min = fan4pin;
- fan6pin = false;
pwm3pin = fan3pin;
- pwm4pin = false;
- pwm5pin = false;
- pwm6pin = false;
} else if (data->kind == nct6106) {
regval = superio_inb(sioreg, 0x24);
fan3pin = !(regval & 0x80);
pwm3pin = regval & 0x08;
+ } else {
+ /* NCT6779D, NCT6791D, NCT6792D, NCT6793D, NCT6795D, NCT6796D */
+ int regval_1b, regval_2a, regval_2f;
+ bool dsw_en;
- fan4pin = false;
- fan4min = false;
- fan5pin = false;
- fan6pin = false;
- pwm4pin = false;
- pwm5pin = false;
- pwm6pin = false;
- } else { /* NCT6779D or NCT6791D */
regval = superio_inb(sioreg, 0x1c);
- fan3pin = !(regval & (1 << 5));
- fan4pin = !(regval & (1 << 6));
- fan5pin = !(regval & (1 << 7));
+ fan3pin = !(regval & BIT(5));
+ fan4pin = !(regval & BIT(6));
+ fan5pin = !(regval & BIT(7));
- pwm3pin = !(regval & (1 << 0));
- pwm4pin = !(regval & (1 << 1));
- pwm5pin = !(regval & (1 << 2));
+ pwm3pin = !(regval & BIT(0));
+ pwm4pin = !(regval & BIT(1));
+ pwm5pin = !(regval & BIT(2));
- fan4min = fan4pin;
+ regval = superio_inb(sioreg, 0x2d);
+ switch (data->kind) {
+ case nct6791:
+ case nct6792:
+ fan6pin = regval & BIT(1);
+ pwm6pin = regval & BIT(0);
+ 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);
+ dsw_en = regval_2f & BIT(3);
+
+ if (!pwm5pin)
+ pwm5pin = regval & BIT(7);
+
+ 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);
+ }
- if (data->kind == nct6791) {
- regval = superio_inb(sioreg, 0x2d);
- fan6pin = (regval & (1 << 1));
- pwm6pin = (regval & (1 << 0));
- } else { /* NCT6779D */
- fan6pin = false;
- pwm6pin = false;
+ if (!fan5pin)
+ fan5pin = regval_eb & BIT(5);
+ if (!pwm5pin)
+ pwm5pin = (regval_eb & BIT(4)) &&
+ !(regval_2a & BIT(0));
+ if (!fan6pin)
+ fan6pin = regval_eb & BIT(3);
+ if (!pwm6pin)
+ pwm6pin = regval_eb & BIT(2);
+ }
+
+ if (data->kind == nct6795 || data->kind == nct6796) {
+ int regval_ed = superio_inb(sioreg, 0xed);
+
+ if (!fan6pin)
+ fan6pin = (regval_2a & BIT(4)) &&
+ (!dsw_en ||
+ (dsw_en && (regval_ed & BIT(4))));
+ if (!pwm6pin)
+ 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;
}
+
+ fan4min = fan4pin;
}
/* 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);
+ (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,
continue;
src = nct6775_read_value(data, regp[i]);
src &= 0x1f;
- if (!src || (*mask & (1 << src)))
+ if (!src || (*mask & BIT(src)))
continue;
- if (src >= data->temp_label_num ||
- !strlen(data->temp_label[src]))
+ if (!(data->temp_mask & BIT(src)))
continue;
index = __ffs(*available);
nct6775_write_value(data, data->REG_TEMP_SOURCE[index], src);
- *available &= ~(1 << index);
- *mask |= 1 << src;
+ *available &= ~BIT(index);
+ *mask |= BIT(src);
}
}
static int nct6775_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
- struct nct6775_sio_data *sio_data = dev->platform_data;
+ struct nct6775_sio_data *sio_data = dev_get_platdata(dev);
struct nct6775_data *data;
struct resource *res;
int i, s, err = 0;
int num_reg_temp, num_reg_temp_mon;
u8 cr2a;
struct attribute_group *group;
+ struct device *hwmon_dev;
+ int num_attr_groups = 0;
res = platform_get_resource(pdev, IORESOURCE_IO, 0);
if (!devm_request_region(&pdev->dev, res->start, IOREGION_LENGTH,
data->fan_from_reg_min = fan_from_reg13;
data->temp_label = nct6776_temp_label;
- data->temp_label_num = ARRAY_SIZE(nct6776_temp_label);
+ data->temp_mask = NCT6776_TEMP_MASK;
data->REG_VBAT = NCT6106_REG_VBAT;
data->REG_DIODE = NCT6106_REG_DIODE;
data->speed_tolerance_limit = 15;
data->temp_label = nct6775_temp_label;
- data->temp_label_num = ARRAY_SIZE(nct6775_temp_label);
+ data->temp_mask = NCT6775_TEMP_MASK;
data->REG_CONFIG = NCT6775_REG_CONFIG;
data->REG_VBAT = NCT6775_REG_VBAT;
data->speed_tolerance_limit = 63;
data->temp_label = nct6776_temp_label;
- data->temp_label_num = ARRAY_SIZE(nct6776_temp_label);
+ data->temp_mask = NCT6776_TEMP_MASK;
data->REG_CONFIG = NCT6775_REG_CONFIG;
data->REG_VBAT = NCT6775_REG_VBAT;
data->REG_FAN_PULSES = NCT6776_REG_FAN_PULSES;
data->FAN_PULSE_SHIFT = NCT6775_FAN_PULSE_SHIFT;
data->REG_FAN_TIME[0] = NCT6775_REG_FAN_STOP_TIME;
- data->REG_FAN_TIME[1] = NCT6775_REG_FAN_STEP_UP_TIME;
- data->REG_FAN_TIME[2] = NCT6775_REG_FAN_STEP_DOWN_TIME;
+ data->REG_FAN_TIME[1] = NCT6776_REG_FAN_STEP_UP_TIME;
+ data->REG_FAN_TIME[2] = NCT6776_REG_FAN_STEP_DOWN_TIME;
data->REG_TOLERANCE_H = NCT6776_REG_TOLERANCE_H;
data->REG_PWM[0] = NCT6775_REG_PWM;
data->REG_PWM[1] = NCT6775_REG_FAN_START_OUTPUT;
data->speed_tolerance_limit = 63;
data->temp_label = nct6779_temp_label;
- data->temp_label_num = ARRAY_SIZE(nct6779_temp_label);
+ data->temp_mask = NCT6779_TEMP_MASK;
data->REG_CONFIG = NCT6775_REG_CONFIG;
data->REG_VBAT = NCT6775_REG_VBAT;
data->REG_FAN_PULSES = NCT6779_REG_FAN_PULSES;
data->FAN_PULSE_SHIFT = NCT6775_FAN_PULSE_SHIFT;
data->REG_FAN_TIME[0] = NCT6775_REG_FAN_STOP_TIME;
- data->REG_FAN_TIME[1] = NCT6775_REG_FAN_STEP_UP_TIME;
- data->REG_FAN_TIME[2] = NCT6775_REG_FAN_STEP_DOWN_TIME;
+ data->REG_FAN_TIME[1] = NCT6776_REG_FAN_STEP_UP_TIME;
+ data->REG_FAN_TIME[2] = NCT6776_REG_FAN_STEP_DOWN_TIME;
data->REG_TOLERANCE_H = NCT6776_REG_TOLERANCE_H;
data->REG_PWM[0] = NCT6775_REG_PWM;
data->REG_PWM[1] = NCT6775_REG_FAN_START_OUTPUT;
break;
case nct6791:
+ 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;
data->tolerance_mask = 0x07;
data->speed_tolerance_limit = 63;
- data->temp_label = nct6779_temp_label;
- data->temp_label_num = ARRAY_SIZE(nct6779_temp_label);
+ switch (data->kind) {
+ default:
+ case nct6791:
+ data->temp_label = nct6779_temp_label;
+ data->temp_mask = NCT6791_TEMP_MASK;
+ break;
+ case nct6792:
+ data->temp_label = nct6792_temp_label;
+ data->temp_mask = NCT6792_TEMP_MASK;
+ break;
+ case nct6793:
+ data->temp_label = nct6793_temp_label;
+ data->temp_mask = NCT6793_TEMP_MASK;
+ break;
+ case nct6795:
+ 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;
data->REG_VBAT = NCT6775_REG_VBAT;
data->REG_FAN_PULSES = NCT6779_REG_FAN_PULSES;
data->FAN_PULSE_SHIFT = NCT6775_FAN_PULSE_SHIFT;
data->REG_FAN_TIME[0] = NCT6775_REG_FAN_STOP_TIME;
- data->REG_FAN_TIME[1] = NCT6775_REG_FAN_STEP_UP_TIME;
- data->REG_FAN_TIME[2] = NCT6775_REG_FAN_STEP_DOWN_TIME;
+ data->REG_FAN_TIME[1] = NCT6776_REG_FAN_STEP_UP_TIME;
+ data->REG_FAN_TIME[2] = NCT6776_REG_FAN_STEP_DOWN_TIME;
data->REG_TOLERANCE_H = NCT6776_REG_TOLERANCE_H;
data->REG_PWM[0] = NCT6775_REG_PWM;
data->REG_PWM[1] = NCT6775_REG_FAN_START_OUTPUT;
data->REG_PWM[2] = NCT6775_REG_FAN_STOP_OUTPUT;
- data->REG_PWM[5] = NCT6775_REG_WEIGHT_DUTY_STEP;
- data->REG_PWM[6] = NCT6776_REG_WEIGHT_DUTY_BASE;
+ data->REG_PWM[5] = NCT6791_REG_WEIGHT_DUTY_STEP;
+ data->REG_PWM[6] = NCT6791_REG_WEIGHT_DUTY_BASE;
data->REG_PWM_READ = NCT6775_REG_PWM_READ;
data->REG_PWM_MODE = NCT6776_REG_PWM_MODE;
data->PWM_MODE_MASK = NCT6776_PWM_MODE_MASK;
data->REG_TEMP_OFFSET = NCT6779_REG_TEMP_OFFSET;
data->REG_TEMP_SOURCE = NCT6775_REG_TEMP_SOURCE;
data->REG_TEMP_SEL = NCT6775_REG_TEMP_SEL;
- data->REG_WEIGHT_TEMP_SEL = NCT6775_REG_WEIGHT_TEMP_SEL;
- data->REG_WEIGHT_TEMP[0] = NCT6775_REG_WEIGHT_TEMP_STEP;
- data->REG_WEIGHT_TEMP[1] = NCT6775_REG_WEIGHT_TEMP_STEP_TOL;
- data->REG_WEIGHT_TEMP[2] = NCT6775_REG_WEIGHT_TEMP_BASE;
+ data->REG_WEIGHT_TEMP_SEL = NCT6791_REG_WEIGHT_TEMP_SEL;
+ data->REG_WEIGHT_TEMP[0] = NCT6791_REG_WEIGHT_TEMP_STEP;
+ data->REG_WEIGHT_TEMP[1] = NCT6791_REG_WEIGHT_TEMP_STEP_TOL;
+ data->REG_WEIGHT_TEMP[2] = NCT6791_REG_WEIGHT_TEMP_BASE;
data->REG_ALARM = NCT6791_REG_ALARM;
- data->REG_BEEP = NCT6776_REG_BEEP;
+ if (data->kind == nct6791)
+ data->REG_BEEP = NCT6776_REG_BEEP;
+ else
+ data->REG_BEEP = NCT6792_REG_BEEP;
reg_temp = NCT6779_REG_TEMP;
- reg_temp_mon = NCT6779_REG_TEMP_MON;
num_reg_temp = ARRAY_SIZE(NCT6779_REG_TEMP);
- num_reg_temp_mon = ARRAY_SIZE(NCT6779_REG_TEMP_MON);
+ if (data->kind == nct6791) {
+ reg_temp_mon = NCT6779_REG_TEMP_MON;
+ num_reg_temp_mon = ARRAY_SIZE(NCT6779_REG_TEMP_MON);
+ } else {
+ reg_temp_mon = NCT6792_REG_TEMP_MON;
+ num_reg_temp_mon = ARRAY_SIZE(NCT6792_REG_TEMP_MON);
+ }
reg_temp_over = NCT6779_REG_TEMP_OVER;
reg_temp_hyst = NCT6779_REG_TEMP_HYST;
reg_temp_config = NCT6779_REG_TEMP_CONFIG;
default:
return -ENODEV;
}
- data->have_in = (1 << data->in_num) - 1;
+ data->have_in = BIT(data->in_num) - 1;
data->have_temp = 0;
/*
continue;
src = nct6775_read_value(data, data->REG_TEMP_SOURCE[i]) & 0x1f;
- if (!src || (mask & (1 << src)))
- available |= 1 << i;
+ if (!src || (mask & BIT(src)))
+ available |= BIT(i);
- mask |= 1 << src;
+ mask |= BIT(src);
}
/*
continue;
src = nct6775_read_value(data, data->REG_TEMP_SOURCE[i]) & 0x1f;
- if (!src || (mask & (1 << src)))
+ if (!src || (mask & BIT(src)))
continue;
- if (src >= data->temp_label_num ||
- !strlen(data->temp_label[src])) {
+ if (!(data->temp_mask & BIT(src))) {
dev_info(dev,
"Invalid temperature source %d at index %d, source register 0x%x, temp register 0x%x\n",
src, i, data->REG_TEMP_SOURCE[i], reg_temp[i]);
continue;
}
- mask |= 1 << src;
+ mask |= BIT(src);
/* Use fixed index for SYSTIN(1), CPUTIN(2), AUXTIN(3) */
if (src <= data->temp_fixed_num) {
- data->have_temp |= 1 << (src - 1);
- data->have_temp_fixed |= 1 << (src - 1);
+ data->have_temp |= BIT(src - 1);
+ data->have_temp_fixed |= BIT(src - 1);
data->reg_temp[0][src - 1] = reg_temp[i];
data->reg_temp[1][src - 1] = reg_temp_over[i];
data->reg_temp[2][src - 1] = reg_temp_hyst[i];
continue;
/* Use dynamic index for other sources */
- data->have_temp |= 1 << s;
+ data->have_temp |= BIT(s);
data->reg_temp[0][s] = reg_temp[i];
data->reg_temp[1][s] = reg_temp_over[i];
data->reg_temp[2][s] = reg_temp_hyst[i];
continue;
src = nct6775_read_value(data, data->REG_TEMP_SEL[i]) & 0x1f;
- if (!src || (mask & (1 << src)))
+ if (!src)
continue;
- if (src >= data->temp_label_num ||
- !strlen(data->temp_label[src])) {
+ if (!(data->temp_mask & BIT(src))) {
dev_info(dev,
"Invalid temperature source %d at index %d, source register 0x%x, temp register 0x%x\n",
- src, i, data->REG_TEMP_SEL[i], reg_temp_mon[i]);
+ src, i, data->REG_TEMP_SEL[i],
+ reg_temp_mon[i]);
continue;
}
- mask |= 1 << src;
+ /*
+ * For virtual temperature sources, the 'virtual' temperature
+ * for each fan reflects a different temperature, and there
+ * are no duplicates.
+ */
+ if (src != TEMP_SOURCE_VIRTUAL) {
+ if (mask & BIT(src))
+ continue;
+ mask |= BIT(src);
+ }
/* Use fixed index for SYSTIN(1), CPUTIN(2), AUXTIN(3) */
if (src <= data->temp_fixed_num) {
- if (data->have_temp & (1 << (src - 1)))
+ if (data->have_temp & BIT(src - 1))
continue;
- data->have_temp |= 1 << (src - 1);
- data->have_temp_fixed |= 1 << (src - 1);
+ data->have_temp |= BIT(src - 1);
+ data->have_temp_fixed |= BIT(src - 1);
data->reg_temp[0][src - 1] = reg_temp_mon[i];
data->temp_src[src - 1] = src;
continue;
continue;
/* Use dynamic index for other sources */
- data->have_temp |= 1 << s;
+ data->have_temp |= BIT(s);
data->reg_temp[0][s] = reg_temp_mon[i];
data->temp_src[s] = src;
s++;
* The temperature is already monitored if the respective bit in <mask>
* is set.
*/
- for (i = 0; i < data->temp_label_num - 1; i++) {
+ for (i = 0; i < 32; i++) {
+ if (!(data->temp_mask & BIT(i + 1)))
+ continue;
if (!reg_temp_alternate[i])
continue;
- if (mask & (1 << (i + 1)))
+ if (mask & BIT(i + 1))
continue;
if (i < data->temp_fixed_num) {
- if (data->have_temp & (1 << i))
+ if (data->have_temp & BIT(i))
continue;
- data->have_temp |= 1 << i;
- data->have_temp_fixed |= 1 << i;
+ data->have_temp |= BIT(i);
+ data->have_temp_fixed |= BIT(i);
data->reg_temp[0][i] = reg_temp_alternate[i];
if (i < num_reg_temp) {
data->reg_temp[1][i] = reg_temp_over[i];
if (s >= NUM_TEMP) /* Abort if no more space */
break;
- data->have_temp |= 1 << s;
+ data->have_temp |= BIT(s);
data->reg_temp[0][s] = reg_temp_alternate[i];
data->temp_src[s] = i + 1;
s++;
case nct6106:
case nct6779:
case nct6791:
+ case nct6792:
+ case nct6793:
+ case nct6795:
+ case nct6796:
break;
}
tmp |= 0x3e;
break;
case nct6791:
+ case nct6792:
+ case nct6793:
+ case nct6795:
+ case nct6796:
tmp |= 0x7e;
break;
}
/* Register sysfs hooks */
group = nct6775_create_attr_group(dev, &nct6775_pwm_template_group,
data->pwm_num);
- if (IS_ERR(group)) {
- err = PTR_ERR(group);
- goto exit_remove;
- }
- data->group_pwm = group;
+ if (IS_ERR(group))
+ return PTR_ERR(group);
+
+ data->groups[num_attr_groups++] = group;
group = nct6775_create_attr_group(dev, &nct6775_in_template_group,
fls(data->have_in));
- if (IS_ERR(group)) {
- err = PTR_ERR(group);
- goto exit_remove;
- }
- data->group_in = group;
+ if (IS_ERR(group))
+ return PTR_ERR(group);
+
+ data->groups[num_attr_groups++] = group;
group = nct6775_create_attr_group(dev, &nct6775_fan_template_group,
fls(data->has_fan));
- if (IS_ERR(group)) {
- err = PTR_ERR(group);
- goto exit_remove;
- }
- data->group_fan = group;
+ if (IS_ERR(group))
+ return PTR_ERR(group);
+
+ data->groups[num_attr_groups++] = group;
group = nct6775_create_attr_group(dev, &nct6775_temp_template_group,
fls(data->have_temp));
- if (IS_ERR(group)) {
- err = PTR_ERR(group);
- goto exit_remove;
- }
- data->group_temp = group;
+ if (IS_ERR(group))
+ return PTR_ERR(group);
- err = sysfs_create_group(&dev->kobj, &nct6775_group_other);
- if (err)
- goto exit_remove;
+ data->groups[num_attr_groups++] = group;
+ data->groups[num_attr_groups++] = &nct6775_group_other;
- data->hwmon_dev = hwmon_device_register(dev);
- if (IS_ERR(data->hwmon_dev)) {
- err = PTR_ERR(data->hwmon_dev);
- goto exit_remove;
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 13, 0)
+ err = sysfs_create_groups(&dev->kobj, data->groups);
+ if (err < 0)
+ return err;
+ hwmon_dev = hwmon_device_register(dev);
+ if (IS_ERR(hwmon_dev)) {
+ sysfs_remove_groups(&dev->kobj, data->groups);
+ return PTR_ERR(hwmon_dev);
}
-
- return 0;
-
-exit_remove:
- nct6775_device_remove_files(dev);
- return err;
+ data->hwmon_dev = hwmon_dev;
+#else
+ hwmon_dev = devm_hwmon_device_register_with_groups(dev, data->name,
+ data, data->groups);
+ if (!IS_ERR(hwmon_dev))
+ nct6775_debugfs_init(hwmon_dev);
+#endif
+ return PTR_ERR_OR_ZERO(hwmon_dev);
}
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 13, 0)
static int nct6775_remove(struct platform_device *pdev)
{
struct nct6775_data *data = platform_get_drvdata(pdev);
hwmon_device_unregister(data->hwmon_dev);
- nct6775_device_remove_files(&pdev->dev);
-
+ sysfs_remove_groups(&pdev->dev.kobj, data->groups);
return 0;
}
+#endif
-#ifdef CONFIG_PM
-static int nct6775_suspend(struct device *dev)
+static void nct6791_enable_io_mapping(int sioaddr)
+{
+ int val;
+
+ val = superio_inb(sioaddr, NCT6791_REG_HM_IO_SPACE_LOCK_ENABLE);
+ if (val & 0x10) {
+ pr_info("Enabling hardware monitor logical device mappings.\n");
+ superio_outb(sioaddr, NCT6791_REG_HM_IO_SPACE_LOCK_ENABLE,
+ val & ~0x10);
+ }
+}
+
+static int __maybe_unused nct6775_suspend(struct device *dev)
{
struct nct6775_data *data = nct6775_update_device(dev);
return 0;
}
-static int nct6775_resume(struct device *dev)
+static int __maybe_unused nct6775_resume(struct device *dev)
{
struct nct6775_data *data = dev_get_drvdata(dev);
- int i, j;
+ int sioreg = data->sioreg;
+ int i, j, err = 0;
+ u8 reg;
mutex_lock(&data->update_lock);
data->bank = 0xff; /* Force initial bank selection */
+ err = superio_enter(sioreg);
+ if (err)
+ goto abort;
+
+ superio_select(sioreg, NCT6775_LD_HWM);
+ reg = superio_inb(sioreg, SIO_REG_ENABLE);
+ if (reg != data->sio_reg_enable)
+ 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 == nct6796)
+ nct6791_enable_io_mapping(sioreg);
+
+ superio_exit(sioreg);
+
/* Restore limits */
for (i = 0; i < data->in_num; i++) {
- if (!(data->have_in & (1 << i)))
+ if (!(data->have_in & BIT(i)))
continue;
nct6775_write_value(data, data->REG_IN_MINMAX[0][i],
}
for (i = 0; i < ARRAY_SIZE(data->fan_min); i++) {
- if (!(data->has_fan_min & (1 << i)))
+ if (!(data->has_fan_min & BIT(i)))
continue;
nct6775_write_value(data, data->REG_FAN_MIN[i],
}
for (i = 0; i < NUM_TEMP; i++) {
- if (!(data->have_temp & (1 << i)))
+ if (!(data->have_temp & BIT(i)))
continue;
for (j = 1; j < ARRAY_SIZE(data->reg_temp); j++)
nct6775_write_value(data, NCT6775_REG_FANDIV2, data->fandiv2);
}
+abort:
/* Force re-reading all values */
data->valid = false;
mutex_unlock(&data->update_lock);
- return 0;
+ return err;
}
-static const struct dev_pm_ops nct6775_dev_pm_ops = {
- .suspend = nct6775_suspend,
- .resume = nct6775_resume,
-};
-
-#define NCT6775_DEV_PM_OPS (&nct6775_dev_pm_ops)
-#else
-#define NCT6775_DEV_PM_OPS NULL
-#endif /* CONFIG_PM */
+static SIMPLE_DEV_PM_OPS(nct6775_dev_pm_ops, nct6775_suspend, nct6775_resume);
static struct platform_driver nct6775_driver = {
.driver = {
.owner = THIS_MODULE,
.name = DRVNAME,
- .pm = NCT6775_DEV_PM_OPS,
+ .pm = &nct6775_dev_pm_ops,
},
.probe = nct6775_probe,
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 13, 0)
.remove = nct6775_remove,
-};
-
-static const char * const nct6775_sio_names[] __initconst = {
- "NCT6106D",
- "NCT6775F",
- "NCT6776D/F",
- "NCT6779D",
- "NCT6791D",
+#endif
};
/* nct6775_find() looks for a '627 in the Super-I/O config space */
if (err)
return err;
- if (force_id)
+ val = (superio_inb(sioaddr, SIO_REG_DEVID) << 8) |
+ superio_inb(sioaddr, SIO_REG_DEVID + 1);
+ if (force_id && val != 0xffff)
val = force_id;
- else
- val = (superio_inb(sioaddr, SIO_REG_DEVID) << 8)
- | superio_inb(sioaddr, SIO_REG_DEVID + 1);
+
switch (val & SIO_ID_MASK) {
case SIO_NCT6106_ID:
sio_data->kind = nct6106;
case SIO_NCT6791_ID:
sio_data->kind = nct6791;
break;
+ case SIO_NCT6792_ID:
+ sio_data->kind = nct6792;
+ break;
+ case SIO_NCT6793_ID:
+ sio_data->kind = nct6793;
+ break;
+ 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);
pr_warn("Forcibly enabling Super-I/O. Sensor is probably unusable.\n");
superio_outb(sioaddr, SIO_REG_ENABLE, val | 0x01);
}
- if (sio_data->kind == nct6791) {
- val = superio_inb(sioaddr, NCT6791_REG_HM_IO_SPACE_LOCK_ENABLE);
- if (val & 0x10) {
- pr_info("Enabling hardware monitor logical device mappings.\n");
- superio_outb(sioaddr,
- NCT6791_REG_HM_IO_SPACE_LOCK_ENABLE,
- val & ~0x10);
- }
- }
+
+ if (sio_data->kind == nct6791 || sio_data->kind == nct6792 ||
+ sio_data->kind == nct6793 || sio_data->kind == nct6795 ||
+ sio_data->kind == nct6796)
+ nct6791_enable_io_mapping(sioaddr);
superio_exit(sioaddr);
pr_info("Found %s or compatible chip at %#x:%#x\n",
/*
* when Super-I/O functions move to a separate file, the Super-I/O
* bus will manage the lifetime of the device and this module will only keep
- * track of the nct6775 driver. But since we platform_device_alloc(), we
+ * track of the nct6775 driver. But since we use platform_device_alloc(), we
* must keep track of the device
*/
static struct platform_device *pdev[2];
pdev[i] = platform_device_alloc(DRVNAME, address);
if (!pdev[i]) {
err = -ENOMEM;
- goto exit_device_put;
+ goto exit_device_unregister;
}
err = platform_device_add_data(pdev[i], &sio_data,
return 0;
exit_device_put:
- for (i = 0; i < ARRAY_SIZE(pdev); i++) {
+ platform_device_put(pdev[i]);
+exit_device_unregister:
+ while (--i >= 0) {
if (pdev[i])
- platform_device_put(pdev[i]);
+ platform_device_unregister(pdev[i]);
}
exit_unregister:
platform_driver_unregister(&nct6775_driver);
}
MODULE_AUTHOR("Guenter Roeck <linux@roeck-us.net>");
-MODULE_DESCRIPTION("NCT6775F/NCT6776F/NCT6779D driver");
+MODULE_DESCRIPTION("Driver for NCT6775F and compatible chips");
MODULE_LICENSE("GPL");
module_init(sensors_nct6775_init);