* This driver supports only the Environment Controller in the IT8705F and
* similar parts. The other devices are supported by different drivers.
*
- * Supports: IT8705F Super I/O chip w/LPC interface
+ * Supports: IT8603E Super I/O chip w/LPC interface
+ * IT8607E Super I/O chip w/LPC interface
+ * IT8613E Super I/O chip w/LPC interface
+ * IT8620E Super I/O chip w/LPC interface
+ * IT8622E Super I/O chip w/LPC interface
+ * IT8623E Super I/O chip w/LPC interface
+ * IT8625E Super I/O chip w/LPC interface
+ * IT8628E Super I/O chip w/LPC interface
+ * IT8655E Super I/O chip w/LPC interface
+ * IT8665E Super I/O chip w/LPC interface
+ * IT8686E Super I/O chip w/LPC interface
+ * IT8705F Super I/O chip w/LPC interface
* IT8712F Super I/O chip w/LPC interface
* IT8716F Super I/O chip w/LPC interface
* IT8718F Super I/O chip w/LPC interface
* IT8721F Super I/O chip w/LPC interface
* IT8726F Super I/O chip w/LPC interface
* IT8728F Super I/O chip w/LPC interface
+ * IT8732F Super I/O chip w/LPC interface
* IT8758E Super I/O chip w/LPC interface
+ * IT8771E Super I/O chip w/LPC interface
+ * IT8772E Super I/O chip w/LPC interface
+ * IT8781F Super I/O chip w/LPC interface
+ * IT8782F Super I/O chip w/LPC interface
* IT8783E/F Super I/O chip w/LPC interface
+ * IT8786E Super I/O chip w/LPC interface
+ * IT8790E Super I/O chip w/LPC interface
+ * IT8792E Super I/O chip w/LPC interface
* Sis950 A clone of the IT8705F
*
* Copyright (C) 2001 Chris Gauthron
- * Copyright (C) 2005-2010 Jean Delvare <khali@linux-fr.org>
+ * Copyright (C) 2005-2010 Jean Delvare <jdelvare@suse.de>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+#include <linux/bitops.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/dmi.h>
#include <linux/acpi.h>
#include <linux/io.h>
-
-#ifndef kstrtol
-#define kstrtol strict_strtol
-#endif
-#ifndef kstrtoul
-#define kstrtoul strict_strtoul
-#endif
+#include "compat.h"
#define DRVNAME "it87"
-enum chips { it87, it8712, it8716, it8718, it8720, it8721, it8728, it8783 };
+/* Necessary API not (yet) exported in upstream kernel */
+/* #define __IT87_USE_ACPI_MUTEX */
+
+enum chips { it87, it8712, it8716, it8718, it8720, it8721, it8728, it8732,
+ it8771, it8772, it8781, it8782, it8783, it8786, it8790,
+ it8792, it8603, it8607, it8613, it8620, it8622, it8625, it8628,
+ it8655, it8665, it8686 };
static unsigned short force_id;
module_param(force_id, ushort, 0);
MODULE_PARM_DESC(force_id, "Override the detected device ID");
-static struct platform_device *pdev;
+static unsigned short blacklist = 1;
+module_param(blacklist, ushort, 0);
+MODULE_PARM_DESC(blacklist,
+ "Enable/disable blacklist (1=enable, 0=disable, default 1)");
+
+static struct platform_device *it87_pdev[2];
+static bool it87_sio4e_broken;
+#ifdef __IT87_USE_ACPI_MUTEX
+static acpi_handle it87_acpi_sio_handle;
+static char *it87_acpi_sio_mutex;
+#endif
+
+#define REG_2E 0x2e /* The register to read/write */
+#define REG_4E 0x4e /* Secondary register to read/write */
-#define REG 0x2e /* The register to read/write */
#define DEV 0x07 /* Register: Logical device select */
-#define VAL 0x2f /* The value to read/write */
#define PME 0x04 /* The device with the fan registers in it */
/* The device with the IT8718F/IT8720F VID value in it */
#define DEVID 0x20 /* Register: Device ID */
#define DEVREV 0x22 /* Register: Device Revision */
-static inline int superio_inb(int reg)
+static inline void __superio_enter(int ioreg)
{
- outb(reg, REG);
- return inb(VAL);
+ outb(0x87, ioreg);
+ outb(0x01, ioreg);
+ outb(0x55, ioreg);
+ outb(ioreg == REG_4E ? 0xaa : 0x55, ioreg);
}
-static inline void superio_outb(int reg, int val)
+static inline int superio_inb(int ioreg, int reg)
{
- outb(reg, REG);
- outb(val, VAL);
+ int val;
+
+ outb(reg, ioreg);
+ val = inb(ioreg + 1);
+ if (it87_sio4e_broken && ioreg == 0x4e && val == 0xff) {
+ __superio_enter(ioreg);
+ outb(reg, ioreg);
+ val = inb(ioreg + 1);
+ pr_warn("Retry access 0x4e:0x%x -> 0x%x\n", reg, val);
+ }
+
+ return val;
}
-static int superio_inw(int reg)
+static inline void superio_outb(int ioreg, int reg, int val)
{
- int val;
- outb(reg++, REG);
- val = inb(VAL) << 8;
- outb(reg, REG);
- val |= inb(VAL);
- return val;
+ outb(reg, ioreg);
+ outb(val, ioreg + 1);
+}
+
+static int superio_inw(int ioreg, int reg)
+{
+ return (superio_inb(ioreg, reg) << 8) | superio_inb(ioreg, reg + 1);
}
-static inline void superio_select(int ldn)
+static inline void superio_select(int ioreg, int ldn)
{
- outb(DEV, REG);
- outb(ldn, VAL);
+ outb(DEV, ioreg);
+ outb(ldn, ioreg + 1);
}
-static inline int superio_enter(void)
+static inline int superio_enter(int ioreg)
{
+#ifdef __IT87_USE_ACPI_MUTEX
+ if (it87_acpi_sio_mutex) {
+ acpi_status status;
+
+ status = acpi_acquire_mutex(NULL, it87_acpi_sio_mutex, 0x10);
+ if (ACPI_FAILURE(status)) {
+ pr_err("Failed to acquire ACPI mutex\n");
+ return -EBUSY;
+ }
+ }
+#endif
/*
- * Try to reserve REG and REG + 1 for exclusive access.
+ * Try to reserve ioreg and ioreg + 1 for exclusive access.
*/
-#ifdef request_muxed_region
- if (!request_muxed_region(REG, 2, DRVNAME))
- return -EBUSY;
-#endif
+ if (!request_muxed_region(ioreg, 2, DRVNAME))
+ goto error;
- outb(0x87, REG);
- outb(0x01, REG);
- outb(0x55, REG);
- outb(0x55, REG);
+ __superio_enter(ioreg);
return 0;
+
+error:
+#ifdef __IT87_USE_ACPI_MUTEX
+ if (it87_acpi_sio_mutex)
+ acpi_release_mutex(it87_acpi_sio_handle, NULL);
+#endif
+ return -EBUSY;
}
-static inline void superio_exit(void)
+static inline void superio_exit(int ioreg)
{
- outb(0x02, REG);
- outb(0x02, VAL);
-#ifdef request_muxed_region
- release_region(REG, 2);
+ if (!it87_sio4e_broken || ioreg != 0x4e) {
+ outb(0x02, ioreg);
+ outb(0x02, ioreg + 1);
+ }
+ release_region(ioreg, 2);
+#ifdef __IT87_USE_ACPI_MUTEX
+ if (it87_acpi_sio_mutex)
+ acpi_release_mutex(it87_acpi_sio_handle, NULL);
#endif
}
#define IT8721F_DEVID 0x8721
#define IT8726F_DEVID 0x8726
#define IT8728F_DEVID 0x8728
+#define IT8732F_DEVID 0x8732
+#define IT8792E_DEVID 0x8733
+#define IT8771E_DEVID 0x8771
+#define IT8772E_DEVID 0x8772
+#define IT8781F_DEVID 0x8781
+#define IT8782F_DEVID 0x8782
#define IT8783E_DEVID 0x8783
+#define IT8786E_DEVID 0x8786
+#define IT8790E_DEVID 0x8790
+#define IT8603E_DEVID 0x8603
+#define IT8607E_DEVID 0x8607
+#define IT8613E_DEVID 0x8613
+#define IT8620E_DEVID 0x8620
+#define IT8622E_DEVID 0x8622
+#define IT8623E_DEVID 0x8623
+#define IT8625E_DEVID 0x8625
+#define IT8628E_DEVID 0x8628
+#define IT8655E_DEVID 0x8655
+#define IT8665E_DEVID 0x8665
+#define IT8686E_DEVID 0x8686
#define IT87_ACT_REG 0x30
#define IT87_BASE_REG 0x60
/* Logical device 7 registers (IT8712F and later) */
#define IT87_SIO_GPIO1_REG 0x25
+#define IT87_SIO_GPIO2_REG 0x26
#define IT87_SIO_GPIO3_REG 0x27
+#define IT87_SIO_GPIO4_REG 0x28
#define IT87_SIO_GPIO5_REG 0x29
+#define IT87_SIO_GPIO9_REG 0xd3
#define IT87_SIO_PINX1_REG 0x2a /* Pin selection */
#define IT87_SIO_PINX2_REG 0x2c /* Pin selection */
+#define IT87_SIO_PINX4_REG 0x2d /* Pin selection */
#define IT87_SIO_SPI_REG 0xef /* SPI function pin select */
#define IT87_SIO_VID_REG 0xfc /* VID value */
#define IT87_SIO_BEEP_PIN_REG 0xf6 /* Beep pin mapping */
#define IT87_REG_ALARM2 0x02
#define IT87_REG_ALARM3 0x03
+#define IT87_REG_BANK 0x06
+
/*
* The IT8718F and IT8720F have the VID value in a different register, in
* Super-I/O configuration space.
#define IT87_REG_FAN_DIV 0x0b
#define IT87_REG_FAN_16BIT 0x0c
-/* Monitors: 9 voltage (0 to 7, battery), 3 temp (1 to 3), 3 fan (1 to 3) */
+/*
+ * Monitors:
+ * - up to 13 voltage (0 to 7, battery, avcc, 10 to 12)
+ * - up to 6 temp (1 to 6)
+ * - up to 6 fan (1 to 6)
+ */
+
+static const u8 IT87_REG_FAN[] = { 0x0d, 0x0e, 0x0f, 0x80, 0x82, 0x4c };
+static const u8 IT87_REG_FAN_MIN[] = { 0x10, 0x11, 0x12, 0x84, 0x86, 0x4e };
+static const u8 IT87_REG_FANX[] = { 0x18, 0x19, 0x1a, 0x81, 0x83, 0x4d };
+static const u8 IT87_REG_FANX_MIN[] = { 0x1b, 0x1c, 0x1d, 0x85, 0x87, 0x4f };
+
+static const u8 IT87_REG_FAN_8665[] = { 0x0d, 0x0e, 0x0f, 0x80, 0x82, 0x93 };
+static const u8 IT87_REG_FAN_MIN_8665[] =
+ { 0x10, 0x11, 0x12, 0x84, 0x86, 0xb2 };
+static const u8 IT87_REG_FANX_8665[] = { 0x18, 0x19, 0x1a, 0x81, 0x83, 0x94 };
+static const u8 IT87_REG_FANX_MIN_8665[] =
+ { 0x1b, 0x1c, 0x1d, 0x85, 0x87, 0xb3 };
+
+static const u8 IT87_REG_TEMP_OFFSET[] = { 0x56, 0x57, 0x59, 0x5a, 0x90, 0x91 };
+
+static const u8 IT87_REG_TEMP_OFFSET_8686[] = { 0x56, 0x57, 0x59, 0x90, 0x91, 0x92 };
-static const u8 IT87_REG_FAN[] = { 0x0d, 0x0e, 0x0f, 0x80, 0x82 };
-static const u8 IT87_REG_FAN_MIN[] = { 0x10, 0x11, 0x12, 0x84, 0x86 };
-static const u8 IT87_REG_FANX[] = { 0x18, 0x19, 0x1a, 0x81, 0x83 };
-static const u8 IT87_REG_FANX_MIN[] = { 0x1b, 0x1c, 0x1d, 0x85, 0x87 };
#define IT87_REG_FAN_MAIN_CTRL 0x13
#define IT87_REG_FAN_CTL 0x14
-#define IT87_REG_PWM(nr) (0x15 + (nr))
-#define IT87_REG_PWM_DUTY(nr) (0x63 + (nr) * 8)
-#define IT87_REG_VIN(nr) (0x20 + (nr))
+static const u8 IT87_REG_PWM[] = { 0x15, 0x16, 0x17, 0x7f, 0xa7, 0xaf };
+static const u8 IT87_REG_PWM_8665[] = { 0x15, 0x16, 0x17, 0x1e, 0x1f, 0x92 };
+
+static const u8 IT87_REG_PWM_DUTY[] = { 0x63, 0x6b, 0x73, 0x7b, 0xa3, 0xab };
+
+static const u8 IT87_REG_VIN[] = { 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26,
+ 0x27, 0x28, 0x2f, 0x2c, 0x2d, 0x2e };
+
#define IT87_REG_TEMP(nr) (0x29 + (nr))
#define IT87_REG_VIN_MAX(nr) (0x30 + (nr) * 2)
#define IT87_REG_VIN_MIN(nr) (0x31 + (nr) * 2)
-#define IT87_REG_TEMP_HIGH(nr) (0x40 + (nr) * 2)
-#define IT87_REG_TEMP_LOW(nr) (0x41 + (nr) * 2)
+
+static const u8 IT87_REG_TEMP_HIGH[] = { 0x40, 0x42, 0x44, 0x46, 0xb4, 0xb6 };
+static const u8 IT87_REG_TEMP_LOW[] = { 0x41, 0x43, 0x45, 0x47, 0xb5, 0xb7 };
+
+static const u8 IT87_REG_TEMP_HIGH_8686[] =
+ { 0x40, 0x42, 0x44, 0xb4, 0xb6, 0xb8 };
+static const u8 IT87_REG_TEMP_LOW_8686[] =
+ { 0x41, 0x43, 0x45, 0xb5, 0xb7, 0xb9 };
#define IT87_REG_VIN_ENABLE 0x50
#define IT87_REG_TEMP_ENABLE 0x51
+#define IT87_REG_TEMP_EXTRA 0x55
#define IT87_REG_BEEP_ENABLE 0x5c
#define IT87_REG_CHIPID 0x58
-#define IT87_REG_AUTO_TEMP(nr, i) (0x60 + (nr) * 8 + (i))
-#define IT87_REG_AUTO_PWM(nr, i) (0x65 + (nr) * 8 + (i))
+static const u8 IT87_REG_AUTO_BASE[] = { 0x60, 0x68, 0x70, 0x78, 0xa0, 0xa8 };
+
+#define IT87_REG_AUTO_TEMP(nr, i) (IT87_REG_AUTO_BASE[nr] + (i))
+#define IT87_REG_AUTO_PWM(nr, i) (IT87_REG_AUTO_BASE[nr] + 5 + (i))
+
+#define IT87_REG_TEMP456_ENABLE 0x77
+
+static const u16 IT87_REG_TEMP_SRC1[] = { 0x21d, 0x21e, 0x21f };
+#define IT87_REG_TEMP_SRC2 0x23d
+
+#define NUM_VIN ARRAY_SIZE(IT87_REG_VIN)
+#define NUM_VIN_LIMIT 8
+#define NUM_TEMP 6
+#define NUM_FAN ARRAY_SIZE(IT87_REG_FAN)
+#define NUM_FAN_DIV 3
+#define NUM_PWM ARRAY_SIZE(IT87_REG_PWM)
+#define NUM_AUTO_PWM ARRAY_SIZE(IT87_REG_PWM)
+
+struct it87_devices {
+ const char *name;
+ const char * const suffix;
+ u32 features;
+ u8 num_temp_limit;
+ u8 num_temp_offset;
+ u8 peci_mask;
+ u8 old_peci_mask;
+};
+
+#define FEAT_12MV_ADC BIT(0)
+#define FEAT_NEWER_AUTOPWM BIT(1)
+#define FEAT_OLD_AUTOPWM BIT(2)
+#define FEAT_16BIT_FANS BIT(3)
+#define FEAT_TEMP_PECI BIT(5)
+#define FEAT_TEMP_OLD_PECI BIT(6)
+#define FEAT_FAN16_CONFIG BIT(7) /* Need to enable 16-bit fans */
+#define FEAT_FIVE_FANS BIT(8) /* Supports five fans */
+#define FEAT_VID BIT(9) /* Set if chip supports VID */
+#define FEAT_IN7_INTERNAL BIT(10) /* Set if in7 is internal */
+#define FEAT_SIX_FANS BIT(11) /* Supports six fans */
+#define FEAT_10_9MV_ADC BIT(12)
+#define FEAT_AVCC3 BIT(13) /* Chip supports in9/AVCC3 */
+#define FEAT_FIVE_PWM BIT(14) /* Chip supports 5 pwm chn */
+#define FEAT_SIX_PWM BIT(15) /* Chip supports 6 pwm chn */
+#define FEAT_PWM_FREQ2 BIT(16) /* Separate pwm freq 2 */
+#define FEAT_SIX_TEMP BIT(17) /* Up to 6 temp sensors */
+#define FEAT_VIN3_5V BIT(18) /* VIN3 connected to +5V */
+#define FEAT_FOUR_FANS BIT(19) /* Supports four fans */
+#define FEAT_FOUR_PWM BIT(20) /* Supports four fan controls */
+#define FEAT_BANK_SEL BIT(21) /* Chip has multi-bank support */
+#define FEAT_SCALING BIT(22) /* Internal voltage scaling */
+#define FEAT_FANCTL_ONOFF BIT(23) /* chip has FAN_CTL ON/OFF */
+#define FEAT_11MV_ADC BIT(24)
+#define FEAT_NEW_TEMPMAP BIT(25) /* new temp input selection */
+
+static const struct it87_devices it87_devices[] = {
+ [it87] = {
+ .name = "it87",
+ .suffix = "F",
+ .features = FEAT_OLD_AUTOPWM | FEAT_FANCTL_ONOFF,
+ /* may need to overwrite */
+ .num_temp_limit = 3,
+ .num_temp_offset = 0,
+ },
+ [it8712] = {
+ .name = "it8712",
+ .suffix = "F",
+ .features = FEAT_OLD_AUTOPWM | FEAT_VID | FEAT_FANCTL_ONOFF,
+ /* may need to overwrite */
+ .num_temp_limit = 3,
+ .num_temp_offset = 0,
+ },
+ [it8716] = {
+ .name = "it8716",
+ .suffix = "F",
+ .features = FEAT_16BIT_FANS | FEAT_VID
+ | FEAT_FAN16_CONFIG | FEAT_FIVE_FANS | FEAT_PWM_FREQ2
+ | FEAT_FANCTL_ONOFF,
+ .num_temp_limit = 3,
+ .num_temp_offset = 3,
+ },
+ [it8718] = {
+ .name = "it8718",
+ .suffix = "F",
+ .features = FEAT_16BIT_FANS | FEAT_VID
+ | FEAT_TEMP_OLD_PECI | FEAT_FAN16_CONFIG | FEAT_FIVE_FANS
+ | FEAT_PWM_FREQ2 | FEAT_FANCTL_ONOFF,
+ .num_temp_limit = 3,
+ .num_temp_offset = 3,
+ .old_peci_mask = 0x4,
+ },
+ [it8720] = {
+ .name = "it8720",
+ .suffix = "F",
+ .features = FEAT_16BIT_FANS | FEAT_VID
+ | FEAT_TEMP_OLD_PECI | FEAT_FAN16_CONFIG | FEAT_FIVE_FANS
+ | FEAT_PWM_FREQ2 | FEAT_FANCTL_ONOFF,
+ .num_temp_limit = 3,
+ .num_temp_offset = 3,
+ .old_peci_mask = 0x4,
+ },
+ [it8721] = {
+ .name = "it8721",
+ .suffix = "F",
+ .features = FEAT_NEWER_AUTOPWM | FEAT_12MV_ADC | FEAT_16BIT_FANS
+ | FEAT_TEMP_OLD_PECI | FEAT_TEMP_PECI
+ | FEAT_FAN16_CONFIG | FEAT_FIVE_FANS | FEAT_IN7_INTERNAL
+ | FEAT_PWM_FREQ2 | FEAT_SCALING | FEAT_FANCTL_ONOFF,
+ .num_temp_limit = 3,
+ .num_temp_offset = 3,
+ .peci_mask = 0x05,
+ .old_peci_mask = 0x02, /* Actually reports PCH */
+ },
+ [it8728] = {
+ .name = "it8728",
+ .suffix = "F",
+ .features = FEAT_NEWER_AUTOPWM | FEAT_12MV_ADC | FEAT_16BIT_FANS
+ | FEAT_TEMP_PECI | FEAT_FIVE_FANS
+ | FEAT_IN7_INTERNAL | FEAT_PWM_FREQ2 | FEAT_SCALING
+ | FEAT_FANCTL_ONOFF,
+ .num_temp_limit = 6,
+ .num_temp_offset = 3,
+ .peci_mask = 0x07,
+ },
+ [it8732] = {
+ .name = "it8732",
+ .suffix = "F",
+ .features = FEAT_NEWER_AUTOPWM | FEAT_16BIT_FANS
+ | FEAT_TEMP_OLD_PECI | FEAT_TEMP_PECI
+ | FEAT_10_9MV_ADC | FEAT_IN7_INTERNAL | FEAT_FOUR_FANS
+ | FEAT_FOUR_PWM | FEAT_FANCTL_ONOFF,
+ .num_temp_limit = 3,
+ .num_temp_offset = 3,
+ .peci_mask = 0x07,
+ .old_peci_mask = 0x02, /* Actually reports PCH */
+ },
+ [it8771] = {
+ .name = "it8771",
+ .suffix = "E",
+ .features = FEAT_NEWER_AUTOPWM | FEAT_12MV_ADC | FEAT_16BIT_FANS
+ | FEAT_TEMP_PECI | FEAT_IN7_INTERNAL
+ | FEAT_PWM_FREQ2 | FEAT_SCALING | FEAT_FANCTL_ONOFF,
+ /* PECI: guesswork */
+ /* 12mV ADC (OHM) */
+ /* 16 bit fans (OHM) */
+ /* three fans, always 16 bit (guesswork) */
+ .num_temp_limit = 3,
+ .num_temp_offset = 3,
+ .peci_mask = 0x07,
+ },
+ [it8772] = {
+ .name = "it8772",
+ .suffix = "E",
+ .features = FEAT_NEWER_AUTOPWM | FEAT_12MV_ADC | FEAT_16BIT_FANS
+ | FEAT_TEMP_PECI | FEAT_IN7_INTERNAL
+ | FEAT_PWM_FREQ2 | FEAT_SCALING | FEAT_FANCTL_ONOFF,
+ /* PECI (coreboot) */
+ /* 12mV ADC (HWSensors4, OHM) */
+ /* 16 bit fans (HWSensors4, OHM) */
+ /* three fans, always 16 bit (datasheet) */
+ .num_temp_limit = 3,
+ .num_temp_offset = 3,
+ .peci_mask = 0x07,
+ },
+ [it8781] = {
+ .name = "it8781",
+ .suffix = "F",
+ .features = FEAT_16BIT_FANS
+ | FEAT_TEMP_OLD_PECI | FEAT_FAN16_CONFIG | FEAT_PWM_FREQ2
+ | FEAT_FANCTL_ONOFF,
+ .num_temp_limit = 3,
+ .num_temp_offset = 3,
+ .old_peci_mask = 0x4,
+ },
+ [it8782] = {
+ .name = "it8782",
+ .suffix = "F",
+ .features = FEAT_16BIT_FANS
+ | FEAT_TEMP_OLD_PECI | FEAT_FAN16_CONFIG | FEAT_PWM_FREQ2
+ | FEAT_FANCTL_ONOFF,
+ .num_temp_limit = 3,
+ .num_temp_offset = 3,
+ .old_peci_mask = 0x4,
+ },
+ [it8783] = {
+ .name = "it8783",
+ .suffix = "E/F",
+ .features = FEAT_16BIT_FANS
+ | FEAT_TEMP_OLD_PECI | FEAT_FAN16_CONFIG | FEAT_PWM_FREQ2
+ | FEAT_FANCTL_ONOFF,
+ .num_temp_limit = 3,
+ .num_temp_offset = 3,
+ .old_peci_mask = 0x4,
+ },
+ [it8786] = {
+ .name = "it8786",
+ .suffix = "E",
+ .features = FEAT_NEWER_AUTOPWM | FEAT_12MV_ADC | FEAT_16BIT_FANS
+ | FEAT_TEMP_PECI | FEAT_IN7_INTERNAL
+ | FEAT_PWM_FREQ2 | FEAT_FANCTL_ONOFF,
+ .num_temp_limit = 3,
+ .num_temp_offset = 3,
+ .peci_mask = 0x07,
+ },
+ [it8790] = {
+ .name = "it8790",
+ .suffix = "E",
+ .features = FEAT_NEWER_AUTOPWM | FEAT_10_9MV_ADC | FEAT_SCALING
+ | FEAT_16BIT_FANS | FEAT_TEMP_PECI
+ | FEAT_IN7_INTERNAL | FEAT_PWM_FREQ2 | FEAT_FANCTL_ONOFF,
+ .num_temp_limit = 3,
+ .num_temp_offset = 3,
+ .peci_mask = 0x07,
+ },
+ [it8792] = {
+ .name = "it8792",
+ .suffix = "E",
+ .features = FEAT_NEWER_AUTOPWM | FEAT_10_9MV_ADC | FEAT_SCALING
+ | FEAT_16BIT_FANS | FEAT_TEMP_PECI
+ | FEAT_IN7_INTERNAL | FEAT_PWM_FREQ2 | FEAT_FANCTL_ONOFF,
+ .num_temp_limit = 3,
+ .num_temp_offset = 3,
+ .peci_mask = 0x07,
+ },
+ [it8603] = {
+ .name = "it8603",
+ .suffix = "E",
+ .features = FEAT_NEWER_AUTOPWM | FEAT_12MV_ADC | FEAT_16BIT_FANS
+ | FEAT_TEMP_PECI | FEAT_IN7_INTERNAL
+ | FEAT_AVCC3 | FEAT_PWM_FREQ2 | FEAT_SCALING,
+ .num_temp_limit = 3,
+ .num_temp_offset = 3,
+ .peci_mask = 0x07,
+ },
+ [it8607] = {
+ .name = "it8607",
+ .suffix = "E",
+ .features = FEAT_NEWER_AUTOPWM | FEAT_12MV_ADC | FEAT_16BIT_FANS
+ | FEAT_TEMP_PECI | FEAT_IN7_INTERNAL
+ | FEAT_AVCC3 | FEAT_PWM_FREQ2 | FEAT_SCALING
+ | FEAT_FANCTL_ONOFF,
+ .num_temp_limit = 3,
+ .num_temp_offset = 3,
+ .peci_mask = 0x07,
+ },
+ [it8613] = {
+ .name = "it8613",
+ .suffix = "E",
+ .features = FEAT_NEWER_AUTOPWM | FEAT_11MV_ADC | FEAT_16BIT_FANS
+ | FEAT_TEMP_PECI | FEAT_FIVE_FANS
+ | FEAT_FIVE_PWM | FEAT_IN7_INTERNAL | FEAT_PWM_FREQ2
+ | FEAT_AVCC3 | FEAT_SCALING | FEAT_NEW_TEMPMAP,
+ .num_temp_limit = 6,
+ .num_temp_offset = 6,
+ .peci_mask = 0x07,
+ },
+ [it8620] = {
+ .name = "it8620",
+ .suffix = "E",
+ .features = FEAT_NEWER_AUTOPWM | FEAT_12MV_ADC | FEAT_16BIT_FANS
+ | FEAT_TEMP_PECI | FEAT_SIX_FANS
+ | FEAT_IN7_INTERNAL | FEAT_SIX_PWM | FEAT_PWM_FREQ2
+ | FEAT_SIX_TEMP | FEAT_VIN3_5V | FEAT_SCALING
+ | FEAT_FANCTL_ONOFF,
+ .num_temp_limit = 3,
+ .num_temp_offset = 3,
+ .peci_mask = 0x07,
+ },
+ [it8622] = {
+ .name = "it8622",
+ .suffix = "E",
+ .features = FEAT_NEWER_AUTOPWM | FEAT_12MV_ADC | FEAT_16BIT_FANS
+ | FEAT_TEMP_PECI | FEAT_FIVE_FANS
+ | FEAT_FIVE_PWM | FEAT_IN7_INTERNAL | FEAT_PWM_FREQ2
+ | FEAT_AVCC3 | FEAT_VIN3_5V | FEAT_SCALING,
+ .num_temp_limit = 3,
+ .num_temp_offset = 3,
+ .peci_mask = 0x07,
+ },
+ [it8625] = {
+ .name = "it8625",
+ .suffix = "E",
+ .features = FEAT_NEWER_AUTOPWM | FEAT_16BIT_FANS
+ | FEAT_AVCC3 | FEAT_NEW_TEMPMAP
+ | FEAT_11MV_ADC | FEAT_IN7_INTERNAL | FEAT_SIX_FANS
+ | FEAT_SIX_PWM | FEAT_BANK_SEL | FEAT_SCALING,
+ .num_temp_limit = 6,
+ .num_temp_offset = 6,
+ },
+ [it8628] = {
+ .name = "it8628",
+ .suffix = "E",
+ .features = FEAT_NEWER_AUTOPWM | FEAT_12MV_ADC | FEAT_16BIT_FANS
+ | FEAT_TEMP_PECI | FEAT_SIX_FANS
+ | FEAT_IN7_INTERNAL | FEAT_SIX_PWM | FEAT_PWM_FREQ2
+ | FEAT_SIX_TEMP | FEAT_SCALING | FEAT_AVCC3
+ | FEAT_FANCTL_ONOFF,
+ .num_temp_limit = 6,
+ .num_temp_offset = 3,
+ .peci_mask = 0x07,
+ },
+ [it8655] = {
+ .name = "it8655",
+ .suffix = "E",
+ .features = FEAT_NEWER_AUTOPWM | FEAT_16BIT_FANS
+ | FEAT_AVCC3 | FEAT_NEW_TEMPMAP
+ | FEAT_10_9MV_ADC | FEAT_IN7_INTERNAL | FEAT_BANK_SEL,
+ .num_temp_limit = 6,
+ .num_temp_offset = 6,
+ },
+ [it8665] = {
+ .name = "it8665",
+ .suffix = "E",
+ .features = FEAT_NEWER_AUTOPWM | FEAT_16BIT_FANS
+ | FEAT_AVCC3 | FEAT_NEW_TEMPMAP
+ | FEAT_10_9MV_ADC | FEAT_IN7_INTERNAL | FEAT_SIX_FANS
+ | FEAT_SIX_PWM | FEAT_BANK_SEL,
+ .num_temp_limit = 6,
+ .num_temp_offset = 6,
+ },
+ [it8686] = {
+ .name = "it8686",
+ .suffix = "E",
+ .features = FEAT_NEWER_AUTOPWM | FEAT_12MV_ADC | FEAT_16BIT_FANS
+ | FEAT_SIX_FANS | FEAT_NEW_TEMPMAP
+ | FEAT_IN7_INTERNAL | FEAT_SIX_PWM | FEAT_PWM_FREQ2
+ | FEAT_SIX_TEMP | FEAT_BANK_SEL | FEAT_SCALING | FEAT_AVCC3,
+ .num_temp_limit = 6,
+ .num_temp_offset = 6,
+ },
+};
+#define has_16bit_fans(data) ((data)->features & FEAT_16BIT_FANS)
+#define has_12mv_adc(data) ((data)->features & FEAT_12MV_ADC)
+#define has_10_9mv_adc(data) ((data)->features & FEAT_10_9MV_ADC)
+#define has_newer_autopwm(data) ((data)->features & FEAT_NEWER_AUTOPWM)
+#define has_old_autopwm(data) ((data)->features & FEAT_OLD_AUTOPWM)
+#define has_temp_peci(data, nr) (((data)->features & FEAT_TEMP_PECI) && \
+ ((data)->peci_mask & BIT(nr)))
+#define has_temp_old_peci(data, nr) \
+ (((data)->features & FEAT_TEMP_OLD_PECI) && \
+ ((data)->old_peci_mask & BIT(nr)))
+#define has_fan16_config(data) ((data)->features & FEAT_FAN16_CONFIG)
+#define has_five_fans(data) ((data)->features & (FEAT_FIVE_FANS | \
+ FEAT_SIX_FANS))
+#define has_vid(data) ((data)->features & FEAT_VID)
+#define has_in7_internal(data) ((data)->features & FEAT_IN7_INTERNAL)
+#define has_six_fans(data) ((data)->features & FEAT_SIX_FANS)
+#define has_avcc3(data) ((data)->features & FEAT_AVCC3)
+#define has_five_pwm(data) ((data)->features & (FEAT_FIVE_PWM \
+ | FEAT_SIX_PWM))
+#define has_six_pwm(data) ((data)->features & FEAT_SIX_PWM)
+#define has_pwm_freq2(data) ((data)->features & FEAT_PWM_FREQ2)
+#define has_six_temp(data) ((data)->features & FEAT_SIX_TEMP)
+#define has_vin3_5v(data) ((data)->features & FEAT_VIN3_5V)
+#define has_four_fans(data) ((data)->features & (FEAT_FOUR_FANS | \
+ FEAT_FIVE_FANS | \
+ FEAT_SIX_FANS))
+#define has_four_pwm(data) ((data)->features & (FEAT_FOUR_PWM | \
+ FEAT_FIVE_PWM \
+ | FEAT_SIX_PWM))
+#define has_bank_sel(data) ((data)->features & FEAT_BANK_SEL)
+#define has_scaling(data) ((data)->features & FEAT_SCALING)
+#define has_fanctl_onoff(data) ((data)->features & FEAT_FANCTL_ONOFF)
+#define has_11mv_adc(data) ((data)->features & FEAT_11MV_ADC)
+#define has_new_tempmap(data) ((data)->features & FEAT_NEW_TEMPMAP)
struct it87_sio_data {
enum chips type;
u8 beep_pin;
u8 internal; /* Internal sensors can be labeled */
/* Features skipped based on config or DMI */
+ u16 skip_in;
u8 skip_vid;
u8 skip_fan;
u8 skip_pwm;
+ u8 skip_temp;
};
/*
* The structure is dynamically allocated.
*/
struct it87_data {
- struct device *hwmon_dev;
+ const struct attribute_group *groups[7];
enum chips type;
- u8 revision;
+ u32 features;
+ u8 bank;
+ u8 peci_mask;
+ u8 old_peci_mask;
+
+ const u8 *REG_FAN;
+ const u8 *REG_FANX;
+ const u8 *REG_FAN_MIN;
+ const u8 *REG_FANX_MIN;
+
+ const u8 *REG_PWM;
+
+ const u8 *REG_TEMP_OFFSET;
+ const u8 *REG_TEMP_LOW;
+ const u8 *REG_TEMP_HIGH;
unsigned short addr;
const char *name;
unsigned long last_updated; /* In jiffies */
u16 in_scaled; /* Internal voltage sensors are scaled */
- u8 in[9]; /* Register value */
- u8 in_max[8]; /* Register value */
- u8 in_min[8]; /* Register value */
+ u16 in_internal; /* Bitfield, internal sensors (for labels) */
+ u16 has_in; /* Bitfield, voltage sensors enabled */
+ u8 in[NUM_VIN][3]; /* [nr][0]=in, [1]=min, [2]=max */
u8 has_fan; /* Bitfield, fans enabled */
- u16 fan[5]; /* Register values, possibly combined */
- u16 fan_min[5]; /* Register values, possibly combined */
- s8 temp[3]; /* Register value */
- s8 temp_high[3]; /* Register value */
- s8 temp_low[3]; /* Register value */
- u8 sensor; /* Register value */
- u8 fan_div[3]; /* Register encoding, shifted right */
+ u16 fan[NUM_FAN][2]; /* Register values, [nr][0]=fan, [1]=min */
+ u8 has_temp; /* Bitfield, temp sensors enabled */
+ s8 temp[NUM_TEMP][4]; /* [nr][0]=temp, [1]=min, [2]=max, [3]=offset */
+ u8 num_temp_limit; /* Number of temperature limit registers */
+ u8 num_temp_offset; /* Number of temperature offset registers */
+ u8 sensor; /* Register value (IT87_REG_TEMP_ENABLE) */
+ u8 extra; /* Register value (IT87_REG_TEMP_EXTRA) */
+ u8 fan_div[NUM_FAN_DIV];/* Register encoding, shifted right */
+ bool has_vid; /* True if VID supported */
u8 vid; /* Register encoding, combined */
u8 vrm;
u32 alarms; /* Register encoding, combined */
+ bool has_beep; /* true if beep supported */
u8 beeps; /* Register encoding */
u8 fan_main_ctrl; /* Register value */
u8 fan_ctl; /* Register value */
* is no longer needed, but it is still done to keep the driver
* simple.
*/
- u8 pwm_ctrl[3]; /* Register value */
- u8 pwm_duty[3]; /* Manual PWM value set by user */
- u8 pwm_temp_map[3]; /* PWM to temp. chan. mapping (bits 1-0) */
+ u8 has_pwm; /* Bitfield, pwm control enabled */
+ u8 pwm_ctrl[NUM_PWM]; /* Register value */
+ u8 pwm_duty[NUM_PWM]; /* Manual PWM value set by user */
+ u8 pwm_temp_map[NUM_PWM];/* PWM to temp. chan. mapping (bits 1-0) */
/* Automatic fan speed control registers */
- u8 auto_pwm[3][4]; /* [nr][3] is hard-coded */
- s8 auto_temp[3][5]; /* [nr][0] is point1_temp_hyst */
+ u8 auto_pwm[NUM_AUTO_PWM][4]; /* [nr][3] is hard-coded */
+ s8 auto_temp[NUM_AUTO_PWM][5]; /* [nr][0] is point1_temp_hyst */
};
-static inline int has_12mv_adc(const struct it87_data *data)
+static int adc_lsb(const struct it87_data *data, int nr)
{
- /*
- * IT8721F and later have a 12 mV ADC, also with internal scaling
- * on selected inputs.
- */
- return data->type == it8721
- || data->type == it8728;
-}
+ int lsb;
-static inline int has_newer_autopwm(const struct it87_data *data)
-{
- /*
- * IT8721F and later have separate registers for the temperature
- * mapping and the manual duty cycle.
- */
- return data->type == it8721
- || data->type == it8728;
+ if (has_12mv_adc(data))
+ lsb = 120;
+ else if (has_10_9mv_adc(data))
+ lsb = 109;
+ else if (has_11mv_adc(data))
+ lsb = 110;
+ else
+ lsb = 160;
+ if (data->in_scaled & BIT(nr))
+ lsb <<= 1;
+ return lsb;
}
static u8 in_to_reg(const struct it87_data *data, int nr, long val)
{
- long lsb;
-
- if (has_12mv_adc(data)) {
- if (data->in_scaled & (1 << nr))
- lsb = 24;
- else
- lsb = 12;
- } else {
- if (data->in_scaled & (1 << nr))
- lsb = 32;
- else
- lsb = 16;
- }
-
- val = DIV_ROUND_CLOSEST(val, lsb);
- return SENSORS_LIMIT(val, 0, 255);
+ val = DIV_ROUND_CLOSEST(val * 10, adc_lsb(data, nr));
+ return clamp_val(val, 0, 255);
}
static int in_from_reg(const struct it87_data *data, int nr, int val)
{
- if (has_12mv_adc(data)) {
- if (data->in_scaled & (1 << nr))
- return val * 24;
- else
- return val * 12;
- } else {
- if (data->in_scaled & (1 << nr))
- return val * 32;
- else
- return val * 16;
- }
+ return DIV_ROUND_CLOSEST(val * adc_lsb(data, nr), 10);
}
static inline u8 FAN_TO_REG(long rpm, int div)
{
if (rpm == 0)
return 255;
- rpm = SENSORS_LIMIT(rpm, 1, 1000000);
- return SENSORS_LIMIT((1350000 + rpm * div / 2) / (rpm * div), 1,
- 254);
+ rpm = clamp_val(rpm, 1, 1000000);
+ return clamp_val((1350000 + rpm * div / 2) / (rpm * div), 1, 254);
}
static inline u16 FAN16_TO_REG(long rpm)
{
if (rpm == 0)
return 0xffff;
- return SENSORS_LIMIT((1350000 + rpm) / (rpm * 2), 1, 0xfffe);
+ return clamp_val((1350000 + rpm) / (rpm * 2), 1, 0xfffe);
}
#define FAN_FROM_REG(val, div) ((val) == 0 ? -1 : (val) == 255 ? 0 : \
#define FAN16_FROM_REG(val) ((val) == 0 ? -1 : (val) == 0xffff ? 0 : \
1350000 / ((val) * 2))
-#define TEMP_TO_REG(val) (SENSORS_LIMIT(((val) < 0 ? (((val) - 500) / 1000) : \
- ((val) + 500) / 1000), -128, 127))
+#define TEMP_TO_REG(val) (clamp_val(((val) < 0 ? (((val) - 500) / 1000) : \
+ ((val) + 500) / 1000), -128, 127))
#define TEMP_FROM_REG(val) ((val) * 1000)
static u8 pwm_to_reg(const struct it87_data *data, long val)
return (reg & 0x7f) << 1;
}
-
static int DIV_TO_REG(int val)
{
int answer = 0;
+
while (answer < 7 && (val >>= 1))
answer++;
return answer;
}
-#define DIV_FROM_REG(val) (1 << (val))
+#define DIV_FROM_REG(val) BIT(val)
+
+/*
+ * PWM base frequencies. The frequency has to be divided by either 128 or 256,
+ * depending on the chip type, to calculate the actual PWM frequency.
+ *
+ * Some of the chip datasheets suggest a base frequency of 51 kHz instead
+ * of 750 kHz for the slowest base frequency, resulting in a PWM frequency
+ * of 200 Hz. Sometimes both PWM frequency select registers are affected,
+ * sometimes just one. It is unknown if this is a datasheet error or real,
+ * so this is ignored for now.
+ */
static const unsigned int pwm_freq[8] = {
- 48000000 / 128,
- 24000000 / 128,
- 12000000 / 128,
- 8000000 / 128,
- 6000000 / 128,
- 3000000 / 128,
- 1500000 / 128,
- 750000 / 128,
+ 48000000,
+ 24000000,
+ 12000000,
+ 8000000,
+ 6000000,
+ 3000000,
+ 1500000,
+ 750000,
};
-static inline int has_16bit_fans(const struct it87_data *data)
+static int _it87_read_value(struct it87_data *data, u8 reg)
{
- /*
- * IT8705F Datasheet 0.4.1, 3h == Version G.
- * IT8712F Datasheet 0.9.1, section 8.3.5 indicates 8h == Version J.
- * These are the first revisions with 16-bit tachometer support.
- */
- return (data->type == it87 && data->revision >= 0x03)
- || (data->type == it8712 && data->revision >= 0x08)
- || data->type == it8716
- || data->type == it8718
- || data->type == it8720
- || data->type == it8721
- || data->type == it8728
- || data->type == it8783;
+ outb_p(reg, data->addr + IT87_ADDR_REG_OFFSET);
+ return inb_p(data->addr + IT87_DATA_REG_OFFSET);
}
-static inline int has_old_autopwm(const struct it87_data *data)
+static void _it87_write_value(struct it87_data *data, u8 reg, u8 value)
{
- /*
- * The old automatic fan speed control interface is implemented
- * by IT8705F chips up to revision F and IT8712F chips up to
- * revision G.
- */
- return (data->type == it87 && data->revision < 0x03)
- || (data->type == it8712 && data->revision < 0x08);
+ outb_p(reg, data->addr + IT87_ADDR_REG_OFFSET);
+ outb_p(value, data->addr + IT87_DATA_REG_OFFSET);
}
-static int it87_probe(struct platform_device *pdev);
-static int __devexit it87_remove(struct platform_device *pdev);
-
-static int it87_read_value(struct it87_data *data, u8 reg);
-static void it87_write_value(struct it87_data *data, u8 reg, u8 value);
-static struct it87_data *it87_update_device(struct device *dev);
-static int it87_check_pwm(struct device *dev);
-static void it87_init_device(struct platform_device *pdev);
-
-
-static struct platform_driver it87_driver = {
- .driver = {
- .owner = THIS_MODULE,
- .name = DRVNAME,
- },
- .probe = it87_probe,
- .remove = __devexit_p(it87_remove),
-};
-
-static ssize_t show_in(struct device *dev, struct device_attribute *attr,
- char *buf)
+static void it87_set_bank(struct it87_data *data, u8 bank)
{
- struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
- int nr = sensor_attr->index;
+ if (has_bank_sel(data) && bank != data->bank) {
+ u8 breg = _it87_read_value(data, IT87_REG_BANK);
- struct it87_data *data = it87_update_device(dev);
- return sprintf(buf, "%d\n", in_from_reg(data, nr, data->in[nr]));
+ breg &= 0x1f;
+ breg |= (bank << 5);
+ data->bank = bank;
+ _it87_write_value(data, IT87_REG_BANK, breg);
+ }
}
-static ssize_t show_in_min(struct device *dev, struct device_attribute *attr,
- char *buf)
+/*
+ * Must be called with data->update_lock held, except during initialization.
+ * We ignore the IT87 BUSY flag at this moment - it could lead to deadlocks,
+ * would slow down the IT87 access and should not be necessary.
+ */
+static int it87_read_value(struct it87_data *data, u16 reg)
{
- struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
- int nr = sensor_attr->index;
-
- struct it87_data *data = it87_update_device(dev);
- return sprintf(buf, "%d\n", in_from_reg(data, nr, data->in_min[nr]));
+ it87_set_bank(data, reg >> 8);
+ return _it87_read_value(data, reg & 0xff);
}
-static ssize_t show_in_max(struct device *dev, struct device_attribute *attr,
- char *buf)
+/*
+ * Must be called with data->update_lock held, except during initialization.
+ * We ignore the IT87 BUSY flag at this moment - it could lead to deadlocks,
+ * would slow down the IT87 access and should not be necessary.
+ */
+static void it87_write_value(struct it87_data *data, u16 reg, u8 value)
{
- struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
- int nr = sensor_attr->index;
-
- struct it87_data *data = it87_update_device(dev);
- return sprintf(buf, "%d\n", in_from_reg(data, nr, data->in_max[nr]));
+ it87_set_bank(data, reg >> 8);
+ _it87_write_value(data, reg & 0xff, value);
}
-static ssize_t set_in_min(struct device *dev, struct device_attribute *attr,
- const char *buf, size_t count)
+static void it87_update_pwm_ctrl(struct it87_data *data, int nr)
{
- struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
- int nr = sensor_attr->index;
+ data->pwm_ctrl[nr] = it87_read_value(data, data->REG_PWM[nr]);
+ if (has_newer_autopwm(data)) {
+ if (has_new_tempmap(data))
+ data->pwm_temp_map[nr] = data->pwm_ctrl[nr] & 0x38;
+ else
+ data->pwm_temp_map[nr] = data->pwm_ctrl[nr] & 0x03;
+ data->pwm_duty[nr] = it87_read_value(data,
+ IT87_REG_PWM_DUTY[nr]);
+ } else {
+ if (data->pwm_ctrl[nr] & 0x80) /* Automatic mode */
+ data->pwm_temp_map[nr] = data->pwm_ctrl[nr] & 0x03;
+ else /* Manual mode */
+ data->pwm_duty[nr] = data->pwm_ctrl[nr] & 0x7f;
+ }
- struct it87_data *data = dev_get_drvdata(dev);
- unsigned long val;
+ if (has_old_autopwm(data)) {
+ int i;
- if (kstrtoul(buf, 10, &val) < 0)
- return -EINVAL;
+ for (i = 0; i < 5 ; i++)
+ data->auto_temp[nr][i] = it87_read_value(data,
+ IT87_REG_AUTO_TEMP(nr, i));
+ for (i = 0; i < 3 ; i++)
+ data->auto_pwm[nr][i] = it87_read_value(data,
+ IT87_REG_AUTO_PWM(nr, i));
+ } else if (has_newer_autopwm(data)) {
+ int i;
- mutex_lock(&data->update_lock);
- data->in_min[nr] = in_to_reg(data, nr, val);
- it87_write_value(data, IT87_REG_VIN_MIN(nr),
- data->in_min[nr]);
- mutex_unlock(&data->update_lock);
- return count;
+ /*
+ * 0: temperature hysteresis (base + 5)
+ * 1: fan off temperature (base + 0)
+ * 2: fan start temperature (base + 1)
+ * 3: fan max temperature (base + 2)
+ */
+ data->auto_temp[nr][0] =
+ it87_read_value(data, IT87_REG_AUTO_TEMP(nr, 5));
+
+ for (i = 0; i < 3 ; i++)
+ data->auto_temp[nr][i + 1] =
+ it87_read_value(data,
+ IT87_REG_AUTO_TEMP(nr, i));
+ /*
+ * 0: start pwm value (base + 3)
+ * 1: pwm slope (base + 4, 1/8th pwm)
+ */
+ data->auto_pwm[nr][0] =
+ it87_read_value(data, IT87_REG_AUTO_TEMP(nr, 3));
+ data->auto_pwm[nr][1] =
+ it87_read_value(data, IT87_REG_AUTO_TEMP(nr, 4));
+ }
}
-static ssize_t set_in_max(struct device *dev, struct device_attribute *attr,
- const char *buf, size_t count)
-{
- struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
- int nr = sensor_attr->index;
+static struct it87_data *it87_update_device(struct device *dev)
+{
struct it87_data *data = dev_get_drvdata(dev);
- unsigned long val;
-
- if (kstrtoul(buf, 10, &val) < 0)
- return -EINVAL;
+ int i;
mutex_lock(&data->update_lock);
- data->in_max[nr] = in_to_reg(data, nr, val);
- it87_write_value(data, IT87_REG_VIN_MAX(nr),
- data->in_max[nr]);
- mutex_unlock(&data->update_lock);
- return count;
-}
-#define show_in_offset(offset) \
-static SENSOR_DEVICE_ATTR(in##offset##_input, S_IRUGO, \
- show_in, NULL, offset);
-
-#define limit_in_offset(offset) \
-static SENSOR_DEVICE_ATTR(in##offset##_min, S_IRUGO | S_IWUSR, \
- show_in_min, set_in_min, offset); \
-static SENSOR_DEVICE_ATTR(in##offset##_max, S_IRUGO | S_IWUSR, \
- show_in_max, set_in_max, offset);
-
-show_in_offset(0);
-limit_in_offset(0);
-show_in_offset(1);
-limit_in_offset(1);
-show_in_offset(2);
-limit_in_offset(2);
-show_in_offset(3);
-limit_in_offset(3);
-show_in_offset(4);
-limit_in_offset(4);
-show_in_offset(5);
-limit_in_offset(5);
-show_in_offset(6);
-limit_in_offset(6);
-show_in_offset(7);
-limit_in_offset(7);
-show_in_offset(8);
-
-/* 3 temperatures */
-static ssize_t show_temp(struct device *dev, struct device_attribute *attr,
- char *buf)
-{
- struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
- int nr = sensor_attr->index;
+ if (time_after(jiffies, data->last_updated + HZ + HZ / 2) ||
+ !data->valid) {
+ if (update_vbat) {
+ /*
+ * Cleared after each update, so reenable. Value
+ * returned by this read will be previous value
+ */
+ it87_write_value(data, IT87_REG_CONFIG,
+ it87_read_value(data, IT87_REG_CONFIG) | 0x40);
+ }
+ for (i = 0; i < NUM_VIN; i++) {
+ if (!(data->has_in & BIT(i)))
+ continue;
- struct it87_data *data = it87_update_device(dev);
- return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp[nr]));
-}
-static ssize_t show_temp_max(struct device *dev, struct device_attribute *attr,
- char *buf)
-{
- struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
- int nr = sensor_attr->index;
+ data->in[i][0] =
+ it87_read_value(data, IT87_REG_VIN[i]);
- struct it87_data *data = it87_update_device(dev);
- return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_high[nr]));
-}
-static ssize_t show_temp_min(struct device *dev, struct device_attribute *attr,
- char *buf)
-{
- struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
- int nr = sensor_attr->index;
+ /* VBAT and AVCC don't have limit registers */
+ if (i >= NUM_VIN_LIMIT)
+ continue;
- struct it87_data *data = it87_update_device(dev);
- return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_low[nr]));
-}
-static ssize_t set_temp_max(struct device *dev, struct device_attribute *attr,
- const char *buf, size_t count)
-{
- struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
- int nr = sensor_attr->index;
+ data->in[i][1] =
+ it87_read_value(data, IT87_REG_VIN_MIN(i));
+ data->in[i][2] =
+ it87_read_value(data, IT87_REG_VIN_MAX(i));
+ }
- struct it87_data *data = dev_get_drvdata(dev);
- long val;
+ for (i = 0; i < NUM_FAN; i++) {
+ /* Skip disabled fans */
+ if (!(data->has_fan & BIT(i)))
+ continue;
- if (kstrtol(buf, 10, &val) < 0)
- return -EINVAL;
+ data->fan[i][1] =
+ it87_read_value(data, data->REG_FAN_MIN[i]);
+ data->fan[i][0] = it87_read_value(data,
+ data->REG_FAN[i]);
+ /* Add high byte if in 16-bit mode */
+ if (has_16bit_fans(data)) {
+ data->fan[i][0] |= it87_read_value(data,
+ data->REG_FANX[i]) << 8;
+ data->fan[i][1] |= it87_read_value(data,
+ data->REG_FANX_MIN[i]) << 8;
+ }
+ }
+ for (i = 0; i < NUM_TEMP; i++) {
+ if (!(data->has_temp & BIT(i)))
+ continue;
+ data->temp[i][0] =
+ it87_read_value(data, IT87_REG_TEMP(i));
- mutex_lock(&data->update_lock);
- data->temp_high[nr] = TEMP_TO_REG(val);
- it87_write_value(data, IT87_REG_TEMP_HIGH(nr), data->temp_high[nr]);
- mutex_unlock(&data->update_lock);
- return count;
-}
-static ssize_t set_temp_min(struct device *dev, struct device_attribute *attr,
- const char *buf, size_t count)
-{
- struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
- int nr = sensor_attr->index;
+ if (i >= data->num_temp_limit)
+ continue;
- struct it87_data *data = dev_get_drvdata(dev);
- long val;
+ if (i < data->num_temp_offset)
+ data->temp[i][3] =
+ it87_read_value(data,
+ data->REG_TEMP_OFFSET[i]);
- if (kstrtol(buf, 10, &val) < 0)
- return -EINVAL;
+ data->temp[i][1] =
+ it87_read_value(data, data->REG_TEMP_LOW[i]);
+ data->temp[i][2] =
+ it87_read_value(data, data->REG_TEMP_HIGH[i]);
+ }
- mutex_lock(&data->update_lock);
- data->temp_low[nr] = TEMP_TO_REG(val);
- it87_write_value(data, IT87_REG_TEMP_LOW(nr), data->temp_low[nr]);
- mutex_unlock(&data->update_lock);
+ /* Newer chips don't have clock dividers */
+ if ((data->has_fan & 0x07) && !has_16bit_fans(data)) {
+ i = it87_read_value(data, IT87_REG_FAN_DIV);
+ data->fan_div[0] = i & 0x07;
+ data->fan_div[1] = (i >> 3) & 0x07;
+ data->fan_div[2] = (i & 0x40) ? 3 : 1;
+ }
+
+ data->alarms =
+ it87_read_value(data, IT87_REG_ALARM1) |
+ (it87_read_value(data, IT87_REG_ALARM2) << 8) |
+ (it87_read_value(data, IT87_REG_ALARM3) << 16);
+ data->beeps = it87_read_value(data, IT87_REG_BEEP_ENABLE);
+
+ data->fan_main_ctrl = it87_read_value(data,
+ IT87_REG_FAN_MAIN_CTRL);
+ data->fan_ctl = it87_read_value(data, IT87_REG_FAN_CTL);
+ for (i = 0; i < NUM_PWM; i++) {
+ if (!(data->has_pwm & BIT(i)))
+ continue;
+ it87_update_pwm_ctrl(data, i);
+ }
+
+ data->sensor = it87_read_value(data, IT87_REG_TEMP_ENABLE);
+ data->extra = it87_read_value(data, IT87_REG_TEMP_EXTRA);
+ /*
+ * The IT8705F does not have VID capability.
+ * The IT8718F and later don't use IT87_REG_VID for the
+ * same purpose.
+ */
+ if (data->type == it8712 || data->type == it8716) {
+ data->vid = it87_read_value(data, IT87_REG_VID);
+ /*
+ * The older IT8712F revisions had only 5 VID pins,
+ * but we assume it is always safe to read 6 bits.
+ */
+ data->vid &= 0x3f;
+ }
+ data->last_updated = jiffies;
+ data->valid = 1;
+ }
+
+ mutex_unlock(&data->update_lock);
+
+ return data;
+}
+
+static ssize_t show_in(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr);
+ struct it87_data *data = it87_update_device(dev);
+ int index = sattr->index;
+ int nr = sattr->nr;
+
+ return sprintf(buf, "%d\n", in_from_reg(data, nr, data->in[nr][index]));
+}
+
+static ssize_t set_in(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr);
+ struct it87_data *data = dev_get_drvdata(dev);
+ int index = sattr->index;
+ int nr = sattr->nr;
+ unsigned long val;
+
+ if (kstrtoul(buf, 10, &val) < 0)
+ return -EINVAL;
+
+ mutex_lock(&data->update_lock);
+ data->in[nr][index] = in_to_reg(data, nr, val);
+ it87_write_value(data,
+ index == 1 ? IT87_REG_VIN_MIN(nr)
+ : IT87_REG_VIN_MAX(nr),
+ data->in[nr][index]);
+ mutex_unlock(&data->update_lock);
+ return count;
+}
+
+static SENSOR_DEVICE_ATTR_2(in0_input, S_IRUGO, show_in, NULL, 0, 0);
+static SENSOR_DEVICE_ATTR_2(in0_min, S_IRUGO | S_IWUSR, show_in, set_in,
+ 0, 1);
+static SENSOR_DEVICE_ATTR_2(in0_max, S_IRUGO | S_IWUSR, show_in, set_in,
+ 0, 2);
+
+static SENSOR_DEVICE_ATTR_2(in1_input, S_IRUGO, show_in, NULL, 1, 0);
+static SENSOR_DEVICE_ATTR_2(in1_min, S_IRUGO | S_IWUSR, show_in, set_in,
+ 1, 1);
+static SENSOR_DEVICE_ATTR_2(in1_max, S_IRUGO | S_IWUSR, show_in, set_in,
+ 1, 2);
+
+static SENSOR_DEVICE_ATTR_2(in2_input, S_IRUGO, show_in, NULL, 2, 0);
+static SENSOR_DEVICE_ATTR_2(in2_min, S_IRUGO | S_IWUSR, show_in, set_in,
+ 2, 1);
+static SENSOR_DEVICE_ATTR_2(in2_max, S_IRUGO | S_IWUSR, show_in, set_in,
+ 2, 2);
+
+static SENSOR_DEVICE_ATTR_2(in3_input, S_IRUGO, show_in, NULL, 3, 0);
+static SENSOR_DEVICE_ATTR_2(in3_min, S_IRUGO | S_IWUSR, show_in, set_in,
+ 3, 1);
+static SENSOR_DEVICE_ATTR_2(in3_max, S_IRUGO | S_IWUSR, show_in, set_in,
+ 3, 2);
+
+static SENSOR_DEVICE_ATTR_2(in4_input, S_IRUGO, show_in, NULL, 4, 0);
+static SENSOR_DEVICE_ATTR_2(in4_min, S_IRUGO | S_IWUSR, show_in, set_in,
+ 4, 1);
+static SENSOR_DEVICE_ATTR_2(in4_max, S_IRUGO | S_IWUSR, show_in, set_in,
+ 4, 2);
+
+static SENSOR_DEVICE_ATTR_2(in5_input, S_IRUGO, show_in, NULL, 5, 0);
+static SENSOR_DEVICE_ATTR_2(in5_min, S_IRUGO | S_IWUSR, show_in, set_in,
+ 5, 1);
+static SENSOR_DEVICE_ATTR_2(in5_max, S_IRUGO | S_IWUSR, show_in, set_in,
+ 5, 2);
+
+static SENSOR_DEVICE_ATTR_2(in6_input, S_IRUGO, show_in, NULL, 6, 0);
+static SENSOR_DEVICE_ATTR_2(in6_min, S_IRUGO | S_IWUSR, show_in, set_in,
+ 6, 1);
+static SENSOR_DEVICE_ATTR_2(in6_max, S_IRUGO | S_IWUSR, show_in, set_in,
+ 6, 2);
+
+static SENSOR_DEVICE_ATTR_2(in7_input, S_IRUGO, show_in, NULL, 7, 0);
+static SENSOR_DEVICE_ATTR_2(in7_min, S_IRUGO | S_IWUSR, show_in, set_in,
+ 7, 1);
+static SENSOR_DEVICE_ATTR_2(in7_max, S_IRUGO | S_IWUSR, show_in, set_in,
+ 7, 2);
+
+static SENSOR_DEVICE_ATTR_2(in8_input, S_IRUGO, show_in, NULL, 8, 0);
+static SENSOR_DEVICE_ATTR_2(in9_input, S_IRUGO, show_in, NULL, 9, 0);
+static SENSOR_DEVICE_ATTR_2(in10_input, S_IRUGO, show_in, NULL, 10, 0);
+static SENSOR_DEVICE_ATTR_2(in11_input, S_IRUGO, show_in, NULL, 11, 0);
+static SENSOR_DEVICE_ATTR_2(in12_input, S_IRUGO, show_in, NULL, 12, 0);
+
+/* Up to 6 temperatures */
+static ssize_t show_temp(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr);
+ int nr = sattr->nr;
+ int index = sattr->index;
+ struct it87_data *data = it87_update_device(dev);
+
+ return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp[nr][index]));
+}
+
+static ssize_t set_temp(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr);
+ int nr = sattr->nr;
+ int index = sattr->index;
+ struct it87_data *data = dev_get_drvdata(dev);
+ long val;
+ u8 reg, regval;
+
+ if (kstrtol(buf, 10, &val) < 0)
+ return -EINVAL;
+
+ mutex_lock(&data->update_lock);
+
+ switch (index) {
+ default:
+ case 1:
+ reg = data->REG_TEMP_LOW[nr];
+ break;
+ case 2:
+ reg = data->REG_TEMP_HIGH[nr];
+ break;
+ case 3:
+ regval = it87_read_value(data, IT87_REG_BEEP_ENABLE);
+ if (!(regval & 0x80)) {
+ regval |= 0x80;
+ it87_write_value(data, IT87_REG_BEEP_ENABLE, regval);
+ }
+ data->valid = 0;
+ reg = data->REG_TEMP_OFFSET[nr];
+ break;
+ }
+
+ data->temp[nr][index] = TEMP_TO_REG(val);
+ it87_write_value(data, reg, data->temp[nr][index]);
+ mutex_unlock(&data->update_lock);
return count;
}
-#define show_temp_offset(offset) \
-static SENSOR_DEVICE_ATTR(temp##offset##_input, S_IRUGO, \
- show_temp, NULL, offset - 1); \
-static SENSOR_DEVICE_ATTR(temp##offset##_max, S_IRUGO | S_IWUSR, \
- show_temp_max, set_temp_max, offset - 1); \
-static SENSOR_DEVICE_ATTR(temp##offset##_min, S_IRUGO | S_IWUSR, \
- show_temp_min, set_temp_min, offset - 1);
-show_temp_offset(1);
-show_temp_offset(2);
-show_temp_offset(3);
+static SENSOR_DEVICE_ATTR_2(temp1_input, S_IRUGO, show_temp, NULL, 0, 0);
+static SENSOR_DEVICE_ATTR_2(temp1_min, S_IRUGO | S_IWUSR, show_temp, set_temp,
+ 0, 1);
+static SENSOR_DEVICE_ATTR_2(temp1_max, S_IRUGO | S_IWUSR, show_temp, set_temp,
+ 0, 2);
+static SENSOR_DEVICE_ATTR_2(temp1_offset, S_IRUGO | S_IWUSR, show_temp,
+ set_temp, 0, 3);
+static SENSOR_DEVICE_ATTR_2(temp2_input, S_IRUGO, show_temp, NULL, 1, 0);
+static SENSOR_DEVICE_ATTR_2(temp2_min, S_IRUGO | S_IWUSR, show_temp, set_temp,
+ 1, 1);
+static SENSOR_DEVICE_ATTR_2(temp2_max, S_IRUGO | S_IWUSR, show_temp, set_temp,
+ 1, 2);
+static SENSOR_DEVICE_ATTR_2(temp2_offset, S_IRUGO | S_IWUSR, show_temp,
+ set_temp, 1, 3);
+static SENSOR_DEVICE_ATTR_2(temp3_input, S_IRUGO, show_temp, NULL, 2, 0);
+static SENSOR_DEVICE_ATTR_2(temp3_min, S_IRUGO | S_IWUSR, show_temp, set_temp,
+ 2, 1);
+static SENSOR_DEVICE_ATTR_2(temp3_max, S_IRUGO | S_IWUSR, show_temp, set_temp,
+ 2, 2);
+static SENSOR_DEVICE_ATTR_2(temp3_offset, S_IRUGO | S_IWUSR, show_temp,
+ set_temp, 2, 3);
+static SENSOR_DEVICE_ATTR_2(temp4_input, S_IRUGO, show_temp, NULL, 3, 0);
+static SENSOR_DEVICE_ATTR_2(temp4_min, S_IRUGO | S_IWUSR, show_temp, set_temp,
+ 3, 1);
+static SENSOR_DEVICE_ATTR_2(temp4_max, S_IRUGO | S_IWUSR, show_temp, set_temp,
+ 3, 2);
+static SENSOR_DEVICE_ATTR_2(temp4_offset, S_IRUGO | S_IWUSR, show_temp,
+ set_temp, 3, 3);
+static SENSOR_DEVICE_ATTR_2(temp5_input, S_IRUGO, show_temp, NULL, 4, 0);
+static SENSOR_DEVICE_ATTR_2(temp5_min, S_IRUGO | S_IWUSR, show_temp, set_temp,
+ 4, 1);
+static SENSOR_DEVICE_ATTR_2(temp5_max, S_IRUGO | S_IWUSR, show_temp, set_temp,
+ 4, 2);
+static SENSOR_DEVICE_ATTR_2(temp5_offset, S_IRUGO | S_IWUSR, show_temp,
+ set_temp, 4, 3);
+static SENSOR_DEVICE_ATTR_2(temp6_input, S_IRUGO, show_temp, NULL, 5, 0);
+static SENSOR_DEVICE_ATTR_2(temp6_min, S_IRUGO | S_IWUSR, show_temp, set_temp,
+ 5, 1);
+static SENSOR_DEVICE_ATTR_2(temp6_max, S_IRUGO | S_IWUSR, show_temp, set_temp,
+ 5, 2);
+static SENSOR_DEVICE_ATTR_2(temp6_offset, S_IRUGO | S_IWUSR, show_temp,
+ set_temp, 5, 3);
+
+static int get_temp_type(struct it87_data *data, int index)
+{
+ u8 reg, extra;
+ int type = 0;
+
+ if (has_bank_sel(data)) {
+ int s1reg = IT87_REG_TEMP_SRC1[index/2] >> ((index % 2) * 4);
+ u8 src1, src2;
+
+ src1 = (it87_read_value(data, s1reg) >> ((index % 2) * 4)) & 0x0f;
+ src2 = it87_read_value(data, IT87_REG_TEMP_SRC2);
+
+ switch (data->type) {
+ case it8686:
+ switch (src1) {
+ case 0:
+ if (index >= 3)
+ return 4;
+ break;
+ case 1:
+ if (index == 1 || index == 2 ||
+ index == 4 || index == 5)
+ return 6;
+ break;
+ case 2:
+ if (index == 2 || index == 6)
+ return 5;
+ break;
+ default:
+ break;
+ }
+ break;
+ case it8625:
+ if (index < 3)
+ break;
+ case it8655:
+ case it8665:
+ if (src1 < 3) {
+ index = src1;
+ break;
+ }
+ switch(src1) {
+ case 3:
+ type = (src2 & BIT(index)) ? 6 : 5;
+ break;
+ case 4 ... 8:
+ type = (src2 & BIT(index)) ? 4 : 6;
+ break;
+ case 9:
+ type = (src2 & BIT(index)) ? 5 : 0;
+ break;
+ default:
+ break;
+ }
+ return type;
+ default:
+ return 0;
+ }
+ }
+ if (index >= 3)
+ return 0;
+
+ reg = it87_read_value(data, IT87_REG_TEMP_ENABLE);
+ extra = it87_read_value(data, IT87_REG_TEMP_EXTRA);
+
+ if ((has_temp_peci(data, index) && (reg >> 6 == index + 1)) ||
+ (has_temp_old_peci(data, index) && (extra & 0x80)))
+ type = 6; /* Intel PECI */
+ if (reg & BIT(index))
+ type = 3; /* thermal diode */
+ else if (reg & BIT(index + 3))
+ type = 4; /* thermistor */
+
+ return type;
+}
-static ssize_t show_sensor(struct device *dev, struct device_attribute *attr,
- char *buf)
+static ssize_t show_temp_type(struct device *dev, struct device_attribute *attr,
+ char *buf)
{
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
- int nr = sensor_attr->index;
struct it87_data *data = it87_update_device(dev);
- u8 reg = data->sensor; /* In case value is updated while used */
+ int type = get_temp_type(data, sensor_attr->index);
- if (reg & (1 << nr))
- return sprintf(buf, "3\n"); /* thermal diode */
- if (reg & (8 << nr))
- return sprintf(buf, "4\n"); /* thermistor */
- return sprintf(buf, "0\n"); /* disabled */
+ return sprintf(buf, "%d\n", type);
}
-static ssize_t set_sensor(struct device *dev, struct device_attribute *attr,
- const char *buf, size_t count)
+
+static ssize_t set_temp_type(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
{
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
int nr = sensor_attr->index;
struct it87_data *data = dev_get_drvdata(dev);
long val;
- u8 reg;
+ u8 reg, extra;
if (kstrtol(buf, 10, &val) < 0)
return -EINVAL;
reg = it87_read_value(data, IT87_REG_TEMP_ENABLE);
reg &= ~(1 << nr);
reg &= ~(8 << nr);
+ if (has_temp_peci(data, nr) && (reg >> 6 == nr + 1 || val == 6))
+ reg &= 0x3f;
+ extra = it87_read_value(data, IT87_REG_TEMP_EXTRA);
+ if (has_temp_old_peci(data, nr) && ((extra & 0x80) || val == 6))
+ extra &= 0x7f;
if (val == 2) { /* backwards compatibility */
- dev_warn(dev, "Sensor type 2 is deprecated, please use 4 "
- "instead\n");
+ dev_warn(dev,
+ "Sensor type 2 is deprecated, please use 4 instead\n");
val = 4;
}
- /* 3 = thermal diode; 4 = thermistor; 0 = disabled */
+ /* 3 = thermal diode; 4 = thermistor; 6 = Intel PECI; 0 = disabled */
if (val == 3)
reg |= 1 << nr;
else if (val == 4)
reg |= 8 << nr;
+ else if (has_temp_peci(data, nr) && val == 6)
+ reg |= (nr + 1) << 6;
+ else if (has_temp_old_peci(data, nr) && val == 6)
+ extra |= 0x80;
else if (val != 0)
return -EINVAL;
mutex_lock(&data->update_lock);
data->sensor = reg;
+ data->extra = extra;
it87_write_value(data, IT87_REG_TEMP_ENABLE, data->sensor);
+ if (has_temp_old_peci(data, nr))
+ it87_write_value(data, IT87_REG_TEMP_EXTRA, data->extra);
data->valid = 0; /* Force cache refresh */
mutex_unlock(&data->update_lock);
return count;
}
-#define show_sensor_offset(offset) \
-static SENSOR_DEVICE_ATTR(temp##offset##_type, S_IRUGO | S_IWUSR, \
- show_sensor, set_sensor, offset - 1);
-show_sensor_offset(1);
-show_sensor_offset(2);
-show_sensor_offset(3);
+static SENSOR_DEVICE_ATTR(temp1_type, S_IRUGO | S_IWUSR, show_temp_type,
+ set_temp_type, 0);
+static SENSOR_DEVICE_ATTR(temp2_type, S_IRUGO | S_IWUSR, show_temp_type,
+ set_temp_type, 1);
+static SENSOR_DEVICE_ATTR(temp3_type, S_IRUGO | S_IWUSR, show_temp_type,
+ set_temp_type, 2);
+static SENSOR_DEVICE_ATTR(temp4_type, S_IRUGO | S_IWUSR, show_temp_type,
+ set_temp_type, 3);
+static SENSOR_DEVICE_ATTR(temp5_type, S_IRUGO | S_IWUSR, show_temp_type,
+ set_temp_type, 4);
+static SENSOR_DEVICE_ATTR(temp6_type, S_IRUGO | S_IWUSR, show_temp_type,
+ set_temp_type, 5);
-/* 3 Fans */
+/* 6 Fans */
static int pwm_mode(const struct it87_data *data, int nr)
{
- int ctrl = data->fan_main_ctrl & (1 << nr);
+ if (has_fanctl_onoff(data) && nr < 3 &&
+ !(data->fan_main_ctrl & BIT(nr)))
+ return 0; /* Full speed */
+ if (data->pwm_ctrl[nr] & 0x80)
+ return 2; /* Automatic mode */
+ if ((!has_fanctl_onoff(data) || nr >= 3) &&
+ data->pwm_duty[nr] == pwm_to_reg(data, 0xff))
+ return 0; /* Full speed */
- if (ctrl == 0) /* Full speed */
- return 0;
- if (data->pwm_ctrl[nr] & 0x80) /* Automatic mode */
- return 2;
- else /* Manual mode */
- return 1;
+ return 1; /* Manual mode */
}
static ssize_t show_fan(struct device *dev, struct device_attribute *attr,
- char *buf)
+ char *buf)
{
- struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
- int nr = sensor_attr->index;
-
+ struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr);
+ int nr = sattr->nr;
+ int index = sattr->index;
+ int speed;
struct it87_data *data = it87_update_device(dev);
- return sprintf(buf, "%d\n", FAN_FROM_REG(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 sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
- int nr = sensor_attr->index;
- struct it87_data *data = it87_update_device(dev);
- return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan_min[nr],
- DIV_FROM_REG(data->fan_div[nr])));
+ speed = has_16bit_fans(data) ?
+ FAN16_FROM_REG(data->fan[nr][index]) :
+ FAN_FROM_REG(data->fan[nr][index],
+ DIV_FROM_REG(data->fan_div[nr]));
+ return sprintf(buf, "%d\n", speed);
}
+
static ssize_t show_fan_div(struct device *dev, struct device_attribute *attr,
- char *buf)
+ char *buf)
{
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
+ struct it87_data *data = it87_update_device(dev);
int nr = sensor_attr->index;
- struct it87_data *data = it87_update_device(dev);
- return sprintf(buf, "%d\n", DIV_FROM_REG(data->fan_div[nr]));
+ return sprintf(buf, "%lu\n", DIV_FROM_REG(data->fan_div[nr]));
}
+
static ssize_t show_pwm_enable(struct device *dev,
- struct device_attribute *attr, char *buf)
+ struct device_attribute *attr, char *buf)
{
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
+ struct it87_data *data = it87_update_device(dev);
int nr = sensor_attr->index;
- struct it87_data *data = it87_update_device(dev);
return sprintf(buf, "%d\n", pwm_mode(data, nr));
}
+
static ssize_t show_pwm(struct device *dev, struct device_attribute *attr,
- char *buf)
+ char *buf)
{
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
+ struct it87_data *data = it87_update_device(dev);
int nr = sensor_attr->index;
- struct it87_data *data = it87_update_device(dev);
return sprintf(buf, "%d\n",
pwm_from_reg(data, data->pwm_duty[nr]));
}
+
static ssize_t show_pwm_freq(struct device *dev, struct device_attribute *attr,
- char *buf)
+ char *buf)
{
+ struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
struct it87_data *data = it87_update_device(dev);
- int index = (data->fan_ctl >> 4) & 0x07;
+ int nr = sensor_attr->index;
+ unsigned int freq;
+ int index;
- return sprintf(buf, "%u\n", pwm_freq[index]);
+ if (has_pwm_freq2(data) && nr == 1)
+ index = (data->extra >> 4) & 0x07;
+ else
+ index = (data->fan_ctl >> 4) & 0x07;
+
+ freq = pwm_freq[index] / (has_newer_autopwm(data) ? 256 : 128);
+
+ return sprintf(buf, "%u\n", freq);
}
-static ssize_t set_fan_min(struct device *dev, struct device_attribute *attr,
- const char *buf, size_t count)
+
+static ssize_t set_fan(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
{
- struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
- int nr = sensor_attr->index;
+ struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr);
+ int nr = sattr->nr;
+ int index = sattr->index;
struct it87_data *data = dev_get_drvdata(dev);
long val;
return -EINVAL;
mutex_lock(&data->update_lock);
- reg = it87_read_value(data, IT87_REG_FAN_DIV);
- switch (nr) {
- case 0:
- data->fan_div[nr] = reg & 0x07;
- break;
- case 1:
- data->fan_div[nr] = (reg >> 3) & 0x07;
- break;
- case 2:
- data->fan_div[nr] = (reg & 0x40) ? 3 : 1;
- break;
+
+ if (has_16bit_fans(data)) {
+ data->fan[nr][index] = FAN16_TO_REG(val);
+ it87_write_value(data, data->REG_FAN_MIN[nr],
+ data->fan[nr][index] & 0xff);
+ it87_write_value(data, data->REG_FANX_MIN[nr],
+ data->fan[nr][index] >> 8);
+ } else {
+ reg = it87_read_value(data, IT87_REG_FAN_DIV);
+ switch (nr) {
+ case 0:
+ data->fan_div[nr] = reg & 0x07;
+ break;
+ case 1:
+ data->fan_div[nr] = (reg >> 3) & 0x07;
+ break;
+ case 2:
+ data->fan_div[nr] = (reg & 0x40) ? 3 : 1;
+ break;
+ }
+ data->fan[nr][index] =
+ FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr]));
+ it87_write_value(data, data->REG_FAN_MIN[nr],
+ data->fan[nr][index]);
}
- data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr]));
- it87_write_value(data, IT87_REG_FAN_MIN[nr], data->fan_min[nr]);
mutex_unlock(&data->update_lock);
return count;
}
+
static ssize_t set_fan_div(struct device *dev, struct device_attribute *attr,
- const char *buf, size_t count)
+ const char *buf, size_t count)
{
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
- int nr = sensor_attr->index;
-
struct it87_data *data = dev_get_drvdata(dev);
+ int nr = sensor_attr->index;
unsigned long val;
int min;
u8 old;
old = it87_read_value(data, IT87_REG_FAN_DIV);
/* Save fan min limit */
- min = FAN_FROM_REG(data->fan_min[nr], DIV_FROM_REG(data->fan_div[nr]));
+ min = FAN_FROM_REG(data->fan[nr][1], DIV_FROM_REG(data->fan_div[nr]));
switch (nr) {
case 0:
it87_write_value(data, IT87_REG_FAN_DIV, val);
/* Restore fan min limit */
- data->fan_min[nr] = FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr]));
- it87_write_value(data, IT87_REG_FAN_MIN[nr], data->fan_min[nr]);
+ data->fan[nr][1] = FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr]));
+ it87_write_value(data, data->REG_FAN_MIN[nr], data->fan[nr][1]);
mutex_unlock(&data->update_lock);
return count;
if (data->auto_pwm[nr][i] > data->auto_pwm[nr][i + 1])
err = -EINVAL;
}
+ } else if (has_newer_autopwm(data)) {
+ for (i = 1; i < 3; i++) {
+ if (data->auto_temp[nr][i] > data->auto_temp[nr][i + 1])
+ err = -EINVAL;
+ }
}
if (err) {
- dev_err(dev, "Inconsistent trip points, not switching to "
- "automatic mode\n");
+ dev_err(dev,
+ "Inconsistent trip points, not switching to automatic mode\n");
dev_err(dev, "Adjust the trip points and try again\n");
}
return err;
}
-static ssize_t set_pwm_enable(struct device *dev,
- struct device_attribute *attr, const char *buf, size_t count)
+static ssize_t set_pwm_enable(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
{
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
- int nr = sensor_attr->index;
-
struct it87_data *data = dev_get_drvdata(dev);
+ int nr = sensor_attr->index;
long val;
if (kstrtol(buf, 10, &val) < 0 || val < 0 || val > 2)
mutex_lock(&data->update_lock);
if (val == 0) {
- int tmp;
- /* make sure the fan is on when in on/off mode */
- tmp = it87_read_value(data, IT87_REG_FAN_CTL);
- it87_write_value(data, IT87_REG_FAN_CTL, tmp | (1 << nr));
- /* set on/off mode */
- data->fan_main_ctrl &= ~(1 << nr);
- it87_write_value(data, IT87_REG_FAN_MAIN_CTRL,
- data->fan_main_ctrl);
+ if (nr < 3 && has_fanctl_onoff(data)) {
+ int tmp;
+ /* make sure the fan is on when in on/off mode */
+ tmp = it87_read_value(data, IT87_REG_FAN_CTL);
+ it87_write_value(data, IT87_REG_FAN_CTL, tmp | BIT(nr));
+ /* set on/off mode */
+ data->fan_main_ctrl &= ~BIT(nr);
+ it87_write_value(data, IT87_REG_FAN_MAIN_CTRL,
+ data->fan_main_ctrl);
+ } else {
+ u8 ctrl;
+
+ /* No on/off mode, set maximum pwm value */
+ data->pwm_duty[nr] = pwm_to_reg(data, 0xff);
+ it87_write_value(data, IT87_REG_PWM_DUTY[nr],
+ data->pwm_duty[nr]);
+ /* and set manual mode */
+ if (has_newer_autopwm(data)) {
+ ctrl = (data->pwm_ctrl[nr] & 0x7c) |
+ data->pwm_temp_map[nr];
+ } else {
+ ctrl = data->pwm_duty[nr];
+ }
+ data->pwm_ctrl[nr] = ctrl;
+ it87_write_value(data, data->REG_PWM[nr], ctrl);
+ }
} else {
- if (val == 1) /* Manual mode */
- data->pwm_ctrl[nr] = has_newer_autopwm(data) ?
- data->pwm_temp_map[nr] :
- data->pwm_duty[nr];
- else /* Automatic mode */
- data->pwm_ctrl[nr] = 0x80 | data->pwm_temp_map[nr];
- it87_write_value(data, IT87_REG_PWM(nr), data->pwm_ctrl[nr]);
- /* set SmartGuardian mode */
- data->fan_main_ctrl |= (1 << nr);
- it87_write_value(data, IT87_REG_FAN_MAIN_CTRL,
- data->fan_main_ctrl);
+ u8 ctrl;
+
+ if (has_newer_autopwm(data)) {
+ ctrl = (data->pwm_ctrl[nr] & 0x7c) |
+ data->pwm_temp_map[nr];
+ if (val != 1)
+ ctrl |= 0x80;
+ } else {
+ ctrl = (val == 1 ? data->pwm_duty[nr] : 0x80);
+ }
+ data->pwm_ctrl[nr] = ctrl;
+ it87_write_value(data, data->REG_PWM[nr], ctrl);
+
+ if (has_fanctl_onoff(data) && nr < 3) {
+ /* set SmartGuardian mode */
+ data->fan_main_ctrl |= BIT(nr);
+ it87_write_value(data, IT87_REG_FAN_MAIN_CTRL,
+ data->fan_main_ctrl);
+ }
}
mutex_unlock(&data->update_lock);
return count;
}
+
static ssize_t set_pwm(struct device *dev, struct device_attribute *attr,
- const char *buf, size_t count)
+ const char *buf, size_t count)
{
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
- int nr = sensor_attr->index;
-
struct it87_data *data = dev_get_drvdata(dev);
+ int nr = sensor_attr->index;
long val;
if (kstrtol(buf, 10, &val) < 0 || val < 0 || val > 255)
return -EINVAL;
mutex_lock(&data->update_lock);
+ it87_update_pwm_ctrl(data, nr);
if (has_newer_autopwm(data)) {
/*
* If we are in automatic mode, the PWM duty cycle register
return -EBUSY;
}
data->pwm_duty[nr] = pwm_to_reg(data, val);
- it87_write_value(data, IT87_REG_PWM_DUTY(nr),
+ it87_write_value(data, IT87_REG_PWM_DUTY[nr],
data->pwm_duty[nr]);
} else {
data->pwm_duty[nr] = pwm_to_reg(data, val);
*/
if (!(data->pwm_ctrl[nr] & 0x80)) {
data->pwm_ctrl[nr] = data->pwm_duty[nr];
- it87_write_value(data, IT87_REG_PWM(nr),
+ it87_write_value(data, data->REG_PWM[nr],
data->pwm_ctrl[nr]);
}
}
mutex_unlock(&data->update_lock);
return count;
}
-static ssize_t set_pwm_freq(struct device *dev,
- struct device_attribute *attr, const char *buf, size_t count)
+
+static ssize_t set_pwm_freq(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
{
+ struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
struct it87_data *data = dev_get_drvdata(dev);
+ int nr = sensor_attr->index;
unsigned long val;
int i;
if (kstrtoul(buf, 10, &val) < 0)
return -EINVAL;
+ val = clamp_val(val, 0, 1000000);
+ val *= has_newer_autopwm(data) ? 256 : 128;
+
/* Search for the nearest available frequency */
for (i = 0; i < 7; i++) {
- if (val > (pwm_freq[i] + pwm_freq[i+1]) / 2)
+ if (val > (pwm_freq[i] + pwm_freq[i + 1]) / 2)
break;
}
mutex_lock(&data->update_lock);
- data->fan_ctl = it87_read_value(data, IT87_REG_FAN_CTL) & 0x8f;
- data->fan_ctl |= i << 4;
- it87_write_value(data, IT87_REG_FAN_CTL, data->fan_ctl);
+ if (nr == 0) {
+ data->fan_ctl = it87_read_value(data, IT87_REG_FAN_CTL) & 0x8f;
+ data->fan_ctl |= i << 4;
+ it87_write_value(data, IT87_REG_FAN_CTL, data->fan_ctl);
+ } else {
+ data->extra = it87_read_value(data, IT87_REG_TEMP_EXTRA) & 0x8f;
+ data->extra |= i << 4;
+ it87_write_value(data, IT87_REG_TEMP_EXTRA, data->extra);
+ }
mutex_unlock(&data->update_lock);
return count;
}
+
static ssize_t show_pwm_temp_map(struct device *dev,
- struct device_attribute *attr, char *buf)
+ struct device_attribute *attr, char *buf)
{
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
- int nr = sensor_attr->index;
-
struct it87_data *data = it87_update_device(dev);
+ int nr = sensor_attr->index;
int map;
- if (data->pwm_temp_map[nr] < 3)
- map = 1 << data->pwm_temp_map[nr];
- else
- map = 0; /* Should never happen */
- return sprintf(buf, "%d\n", map);
+ map = data->pwm_temp_map[nr];
+ if (has_new_tempmap(data)) {
+ map >>= 3;
+ if (map >= 6)
+ map = 0; /* Should never happen */
+ } else {
+ if (map >= 3)
+ map = 0; /* Should never happen */
+ if (nr >= 3) /* pwm channels 3..6 map to temp4..6 */
+ map += 3;
+ }
+
+ return sprintf(buf, "%d\n", (int)BIT(map));
}
+
static ssize_t set_pwm_temp_map(struct device *dev,
- struct device_attribute *attr, const char *buf, size_t count)
+ struct device_attribute *attr, const char *buf,
+ size_t count)
{
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
- int nr = sensor_attr->index;
-
struct it87_data *data = dev_get_drvdata(dev);
+ int nr = sensor_attr->index;
long val;
u8 reg;
- /*
- * This check can go away if we ever support automatic fan speed
- * control on newer chips.
- */
- if (!has_old_autopwm(data)) {
- dev_notice(dev, "Mapping change disabled for safety reasons\n");
- return -EINVAL;
- }
-
if (kstrtol(buf, 10, &val) < 0)
return -EINVAL;
+ if (nr >= 3 && !has_new_tempmap(data))
+ val -= 3;
+
switch (val) {
- case (1 << 0):
+ case BIT(0):
reg = 0x00;
break;
- case (1 << 1):
+ case BIT(1):
reg = 0x01;
break;
- case (1 << 2):
+ case BIT(2):
reg = 0x02;
break;
+ case BIT(3):
+ reg = 0x03;
+ break;
+ case BIT(4):
+ reg = 0x04;
+ break;
+ case BIT(5):
+ reg = 0x05;
+ break;
+ case BIT(6):
+ reg = 0x06;
+ break;
default:
return -EINVAL;
}
+ if (has_new_tempmap(data))
+ reg <<= 3;
+ else if (reg > 0x02)
+ return -EINVAL;
+
mutex_lock(&data->update_lock);
+ it87_update_pwm_ctrl(data, nr);
data->pwm_temp_map[nr] = reg;
/*
* If we are in automatic mode, write the temp mapping immediately;
* otherwise, just store it for later use.
*/
if (data->pwm_ctrl[nr] & 0x80) {
- data->pwm_ctrl[nr] = 0x80 | data->pwm_temp_map[nr];
- it87_write_value(data, IT87_REG_PWM(nr), data->pwm_ctrl[nr]);
+ u8 mask = has_new_tempmap(data) ? 0xc7 : 0xfc;
+
+ data->pwm_ctrl[nr] = (data->pwm_ctrl[nr] & mask) |
+ data->pwm_temp_map[nr];
+ it87_write_value(data, data->REG_PWM[nr], data->pwm_ctrl[nr]);
}
mutex_unlock(&data->update_lock);
return count;
}
-static ssize_t show_auto_pwm(struct device *dev,
- struct device_attribute *attr, char *buf)
+static ssize_t show_auto_pwm(struct device *dev, struct device_attribute *attr,
+ char *buf)
{
struct it87_data *data = it87_update_device(dev);
struct sensor_device_attribute_2 *sensor_attr =
pwm_from_reg(data, data->auto_pwm[nr][point]));
}
-static ssize_t set_auto_pwm(struct device *dev,
- struct device_attribute *attr, const char *buf, size_t count)
+static ssize_t set_auto_pwm(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
{
struct it87_data *data = dev_get_drvdata(dev);
struct sensor_device_attribute_2 *sensor_attr =
to_sensor_dev_attr_2(attr);
int nr = sensor_attr->nr;
int point = sensor_attr->index;
+ int regaddr;
long val;
if (kstrtol(buf, 10, &val) < 0 || val < 0 || val > 255)
mutex_lock(&data->update_lock);
data->auto_pwm[nr][point] = pwm_to_reg(data, val);
- it87_write_value(data, IT87_REG_AUTO_PWM(nr, point),
- data->auto_pwm[nr][point]);
+ if (has_newer_autopwm(data))
+ regaddr = IT87_REG_AUTO_TEMP(nr, 3);
+ else
+ regaddr = IT87_REG_AUTO_PWM(nr, point);
+ it87_write_value(data, regaddr, data->auto_pwm[nr][point]);
mutex_unlock(&data->update_lock);
return count;
}
-static ssize_t show_auto_temp(struct device *dev,
- struct device_attribute *attr, char *buf)
+static ssize_t show_auto_pwm_slope(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
struct it87_data *data = it87_update_device(dev);
- struct sensor_device_attribute_2 *sensor_attr =
- to_sensor_dev_attr_2(attr);
- int nr = sensor_attr->nr;
- int point = sensor_attr->index;
+ struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
+ int nr = sensor_attr->index;
- return sprintf(buf, "%d\n", TEMP_FROM_REG(data->auto_temp[nr][point]));
+ return sprintf(buf, "%d\n", data->auto_pwm[nr][1] & 0x7f);
}
-static ssize_t set_auto_temp(struct device *dev,
- struct device_attribute *attr, const char *buf, size_t count)
+static ssize_t set_auto_pwm_slope(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
{
struct it87_data *data = dev_get_drvdata(dev);
- struct sensor_device_attribute_2 *sensor_attr =
- to_sensor_dev_attr_2(attr);
- int nr = sensor_attr->nr;
- int point = sensor_attr->index;
- long val;
+ struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
+ int nr = sensor_attr->index;
+ unsigned long val;
- if (kstrtol(buf, 10, &val) < 0 || val < -128000 || val > 127000)
+ if (kstrtoul(buf, 10, &val) < 0 || val > 127)
return -EINVAL;
mutex_lock(&data->update_lock);
- data->auto_temp[nr][point] = TEMP_TO_REG(val);
- it87_write_value(data, IT87_REG_AUTO_TEMP(nr, point),
- data->auto_temp[nr][point]);
+ data->auto_pwm[nr][1] = (data->auto_pwm[nr][1] & 0x80) | val;
+ it87_write_value(data, IT87_REG_AUTO_TEMP(nr, 4),
+ data->auto_pwm[nr][1]);
mutex_unlock(&data->update_lock);
return count;
}
-#define show_fan_offset(offset) \
-static SENSOR_DEVICE_ATTR(fan##offset##_input, S_IRUGO, \
- show_fan, NULL, offset - 1); \
-static SENSOR_DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR, \
- show_fan_min, set_fan_min, offset - 1); \
-static SENSOR_DEVICE_ATTR(fan##offset##_div, S_IRUGO | S_IWUSR, \
- show_fan_div, set_fan_div, offset - 1);
-
-show_fan_offset(1);
-show_fan_offset(2);
-show_fan_offset(3);
-
-#define show_pwm_offset(offset) \
-static SENSOR_DEVICE_ATTR(pwm##offset##_enable, S_IRUGO | S_IWUSR, \
- show_pwm_enable, set_pwm_enable, offset - 1); \
-static SENSOR_DEVICE_ATTR(pwm##offset, S_IRUGO | S_IWUSR, \
- show_pwm, set_pwm, offset - 1); \
-static DEVICE_ATTR(pwm##offset##_freq, \
- (offset == 1 ? S_IRUGO | S_IWUSR : S_IRUGO), \
- show_pwm_freq, (offset == 1 ? set_pwm_freq : NULL)); \
-static SENSOR_DEVICE_ATTR(pwm##offset##_auto_channels_temp, \
- S_IRUGO | S_IWUSR, show_pwm_temp_map, set_pwm_temp_map, \
- offset - 1); \
-static SENSOR_DEVICE_ATTR_2(pwm##offset##_auto_point1_pwm, \
- S_IRUGO | S_IWUSR, show_auto_pwm, set_auto_pwm, \
- offset - 1, 0); \
-static SENSOR_DEVICE_ATTR_2(pwm##offset##_auto_point2_pwm, \
- S_IRUGO | S_IWUSR, show_auto_pwm, set_auto_pwm, \
- offset - 1, 1); \
-static SENSOR_DEVICE_ATTR_2(pwm##offset##_auto_point3_pwm, \
- S_IRUGO | S_IWUSR, show_auto_pwm, set_auto_pwm, \
- offset - 1, 2); \
-static SENSOR_DEVICE_ATTR_2(pwm##offset##_auto_point4_pwm, \
- S_IRUGO, show_auto_pwm, NULL, offset - 1, 3); \
-static SENSOR_DEVICE_ATTR_2(pwm##offset##_auto_point1_temp, \
- S_IRUGO | S_IWUSR, show_auto_temp, set_auto_temp, \
- offset - 1, 1); \
-static SENSOR_DEVICE_ATTR_2(pwm##offset##_auto_point1_temp_hyst, \
- S_IRUGO | S_IWUSR, show_auto_temp, set_auto_temp, \
- offset - 1, 0); \
-static SENSOR_DEVICE_ATTR_2(pwm##offset##_auto_point2_temp, \
- S_IRUGO | S_IWUSR, show_auto_temp, set_auto_temp, \
- offset - 1, 2); \
-static SENSOR_DEVICE_ATTR_2(pwm##offset##_auto_point3_temp, \
- S_IRUGO | S_IWUSR, show_auto_temp, set_auto_temp, \
- offset - 1, 3); \
-static SENSOR_DEVICE_ATTR_2(pwm##offset##_auto_point4_temp, \
- S_IRUGO | S_IWUSR, show_auto_temp, set_auto_temp, \
- offset - 1, 4);
-
-show_pwm_offset(1);
-show_pwm_offset(2);
-show_pwm_offset(3);
-
-/* A different set of callbacks for 16-bit fans */
-static ssize_t show_fan16(struct device *dev, struct device_attribute *attr,
- char *buf)
+static ssize_t show_auto_temp(struct device *dev, struct device_attribute *attr,
+ char *buf)
{
- struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
- int nr = sensor_attr->index;
struct it87_data *data = it87_update_device(dev);
- return sprintf(buf, "%d\n", FAN16_FROM_REG(data->fan[nr]));
-}
+ struct sensor_device_attribute_2 *sensor_attr =
+ to_sensor_dev_attr_2(attr);
+ int nr = sensor_attr->nr;
+ int point = sensor_attr->index;
+ int reg;
-static ssize_t show_fan16_min(struct device *dev, struct device_attribute *attr,
- char *buf)
-{
- struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
- int nr = sensor_attr->index;
- struct it87_data *data = it87_update_device(dev);
- return sprintf(buf, "%d\n", FAN16_FROM_REG(data->fan_min[nr]));
+ if (has_old_autopwm(data) || point)
+ reg = data->auto_temp[nr][point];
+ else
+ reg = data->auto_temp[nr][1] - (data->auto_temp[nr][0] & 0x1f);
+
+ return sprintf(buf, "%d\n", TEMP_FROM_REG(reg));
}
-static ssize_t set_fan16_min(struct device *dev, struct device_attribute *attr,
- const char *buf, size_t count)
+static ssize_t set_auto_temp(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
{
- struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
- int nr = sensor_attr->index;
struct it87_data *data = dev_get_drvdata(dev);
+ struct sensor_device_attribute_2 *sensor_attr =
+ to_sensor_dev_attr_2(attr);
+ int nr = sensor_attr->nr;
+ int point = sensor_attr->index;
long val;
+ int reg;
- if (kstrtol(buf, 10, &val) < 0)
+ if (kstrtol(buf, 10, &val) < 0 || val < -128000 || val > 127000)
return -EINVAL;
mutex_lock(&data->update_lock);
- data->fan_min[nr] = FAN16_TO_REG(val);
- it87_write_value(data, IT87_REG_FAN_MIN[nr],
- data->fan_min[nr] & 0xff);
- it87_write_value(data, IT87_REG_FANX_MIN[nr],
- data->fan_min[nr] >> 8);
+ if (has_newer_autopwm(data) && !point) {
+ reg = data->auto_temp[nr][1] - TEMP_TO_REG(val);
+ reg = clamp_val(reg, 0, 0x1f) | (data->auto_temp[nr][0] & 0xe0);
+ data->auto_temp[nr][0] = reg;
+ it87_write_value(data, IT87_REG_AUTO_TEMP(nr, 5), reg);
+ } else {
+ reg = TEMP_TO_REG(val);
+ data->auto_temp[nr][point] = reg;
+ if (has_newer_autopwm(data))
+ point--;
+ it87_write_value(data, IT87_REG_AUTO_TEMP(nr, point), reg);
+ }
mutex_unlock(&data->update_lock);
return count;
}
-/*
- * We want to use the same sysfs file names as 8-bit fans, but we need
- * different variable names, so we have to use SENSOR_ATTR instead of
- * SENSOR_DEVICE_ATTR.
- */
-#define show_fan16_offset(offset) \
-static struct sensor_device_attribute sensor_dev_attr_fan##offset##_input16 \
- = SENSOR_ATTR(fan##offset##_input, S_IRUGO, \
- show_fan16, NULL, offset - 1); \
-static struct sensor_device_attribute sensor_dev_attr_fan##offset##_min16 \
- = SENSOR_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR, \
- show_fan16_min, set_fan16_min, offset - 1)
-
-show_fan16_offset(1);
-show_fan16_offset(2);
-show_fan16_offset(3);
-show_fan16_offset(4);
-show_fan16_offset(5);
+static SENSOR_DEVICE_ATTR_2(fan1_input, S_IRUGO, show_fan, NULL, 0, 0);
+static SENSOR_DEVICE_ATTR_2(fan1_min, S_IRUGO | S_IWUSR, show_fan, set_fan,
+ 0, 1);
+static SENSOR_DEVICE_ATTR(fan1_div, S_IRUGO | S_IWUSR, show_fan_div,
+ set_fan_div, 0);
+
+static SENSOR_DEVICE_ATTR_2(fan2_input, S_IRUGO, show_fan, NULL, 1, 0);
+static SENSOR_DEVICE_ATTR_2(fan2_min, S_IRUGO | S_IWUSR, show_fan, set_fan,
+ 1, 1);
+static SENSOR_DEVICE_ATTR(fan2_div, S_IRUGO | S_IWUSR, show_fan_div,
+ set_fan_div, 1);
+
+static SENSOR_DEVICE_ATTR_2(fan3_input, S_IRUGO, show_fan, NULL, 2, 0);
+static SENSOR_DEVICE_ATTR_2(fan3_min, S_IRUGO | S_IWUSR, show_fan, set_fan,
+ 2, 1);
+static SENSOR_DEVICE_ATTR(fan3_div, S_IRUGO | S_IWUSR, show_fan_div,
+ set_fan_div, 2);
+
+static SENSOR_DEVICE_ATTR_2(fan4_input, S_IRUGO, show_fan, NULL, 3, 0);
+static SENSOR_DEVICE_ATTR_2(fan4_min, S_IRUGO | S_IWUSR, show_fan, set_fan,
+ 3, 1);
+
+static SENSOR_DEVICE_ATTR_2(fan5_input, S_IRUGO, show_fan, NULL, 4, 0);
+static SENSOR_DEVICE_ATTR_2(fan5_min, S_IRUGO | S_IWUSR, show_fan, set_fan,
+ 4, 1);
+
+static SENSOR_DEVICE_ATTR_2(fan6_input, S_IRUGO, show_fan, NULL, 5, 0);
+static SENSOR_DEVICE_ATTR_2(fan6_min, S_IRUGO | S_IWUSR, show_fan, set_fan,
+ 5, 1);
+
+static SENSOR_DEVICE_ATTR(pwm1_enable, S_IRUGO | S_IWUSR,
+ show_pwm_enable, set_pwm_enable, 0);
+static SENSOR_DEVICE_ATTR(pwm1, S_IRUGO | S_IWUSR, show_pwm, set_pwm, 0);
+static SENSOR_DEVICE_ATTR(pwm1_freq, S_IRUGO | S_IWUSR, show_pwm_freq,
+ set_pwm_freq, 0);
+static SENSOR_DEVICE_ATTR(pwm1_auto_channels_temp, S_IRUGO,
+ show_pwm_temp_map, set_pwm_temp_map, 0);
+static SENSOR_DEVICE_ATTR_2(pwm1_auto_point1_pwm, S_IRUGO | S_IWUSR,
+ show_auto_pwm, set_auto_pwm, 0, 0);
+static SENSOR_DEVICE_ATTR_2(pwm1_auto_point2_pwm, S_IRUGO | S_IWUSR,
+ show_auto_pwm, set_auto_pwm, 0, 1);
+static SENSOR_DEVICE_ATTR_2(pwm1_auto_point3_pwm, S_IRUGO | S_IWUSR,
+ show_auto_pwm, set_auto_pwm, 0, 2);
+static SENSOR_DEVICE_ATTR_2(pwm1_auto_point4_pwm, S_IRUGO,
+ show_auto_pwm, NULL, 0, 3);
+static SENSOR_DEVICE_ATTR_2(pwm1_auto_point1_temp, S_IRUGO | S_IWUSR,
+ show_auto_temp, set_auto_temp, 0, 1);
+static SENSOR_DEVICE_ATTR_2(pwm1_auto_point1_temp_hyst, S_IRUGO | S_IWUSR,
+ show_auto_temp, set_auto_temp, 0, 0);
+static SENSOR_DEVICE_ATTR_2(pwm1_auto_point2_temp, S_IRUGO | S_IWUSR,
+ show_auto_temp, set_auto_temp, 0, 2);
+static SENSOR_DEVICE_ATTR_2(pwm1_auto_point3_temp, S_IRUGO | S_IWUSR,
+ show_auto_temp, set_auto_temp, 0, 3);
+static SENSOR_DEVICE_ATTR_2(pwm1_auto_point4_temp, S_IRUGO | S_IWUSR,
+ show_auto_temp, set_auto_temp, 0, 4);
+static SENSOR_DEVICE_ATTR_2(pwm1_auto_start, S_IRUGO | S_IWUSR,
+ show_auto_pwm, set_auto_pwm, 0, 0);
+static SENSOR_DEVICE_ATTR(pwm1_auto_slope, S_IRUGO | S_IWUSR,
+ show_auto_pwm_slope, set_auto_pwm_slope, 0);
+
+static SENSOR_DEVICE_ATTR(pwm2_enable, S_IRUGO | S_IWUSR,
+ show_pwm_enable, set_pwm_enable, 1);
+static SENSOR_DEVICE_ATTR(pwm2, S_IRUGO | S_IWUSR, show_pwm, set_pwm, 1);
+static SENSOR_DEVICE_ATTR(pwm2_freq, S_IRUGO, show_pwm_freq, set_pwm_freq, 1);
+static SENSOR_DEVICE_ATTR(pwm2_auto_channels_temp, S_IRUGO,
+ show_pwm_temp_map, set_pwm_temp_map, 1);
+static SENSOR_DEVICE_ATTR_2(pwm2_auto_point1_pwm, S_IRUGO | S_IWUSR,
+ show_auto_pwm, set_auto_pwm, 1, 0);
+static SENSOR_DEVICE_ATTR_2(pwm2_auto_point2_pwm, S_IRUGO | S_IWUSR,
+ show_auto_pwm, set_auto_pwm, 1, 1);
+static SENSOR_DEVICE_ATTR_2(pwm2_auto_point3_pwm, S_IRUGO | S_IWUSR,
+ show_auto_pwm, set_auto_pwm, 1, 2);
+static SENSOR_DEVICE_ATTR_2(pwm2_auto_point4_pwm, S_IRUGO,
+ show_auto_pwm, NULL, 1, 3);
+static SENSOR_DEVICE_ATTR_2(pwm2_auto_point1_temp, S_IRUGO | S_IWUSR,
+ show_auto_temp, set_auto_temp, 1, 1);
+static SENSOR_DEVICE_ATTR_2(pwm2_auto_point1_temp_hyst, S_IRUGO | S_IWUSR,
+ show_auto_temp, set_auto_temp, 1, 0);
+static SENSOR_DEVICE_ATTR_2(pwm2_auto_point2_temp, S_IRUGO | S_IWUSR,
+ show_auto_temp, set_auto_temp, 1, 2);
+static SENSOR_DEVICE_ATTR_2(pwm2_auto_point3_temp, S_IRUGO | S_IWUSR,
+ show_auto_temp, set_auto_temp, 1, 3);
+static SENSOR_DEVICE_ATTR_2(pwm2_auto_point4_temp, S_IRUGO | S_IWUSR,
+ show_auto_temp, set_auto_temp, 1, 4);
+static SENSOR_DEVICE_ATTR_2(pwm2_auto_start, S_IRUGO | S_IWUSR,
+ show_auto_pwm, set_auto_pwm, 1, 0);
+static SENSOR_DEVICE_ATTR(pwm2_auto_slope, S_IRUGO | S_IWUSR,
+ show_auto_pwm_slope, set_auto_pwm_slope, 1);
+
+static SENSOR_DEVICE_ATTR(pwm3_enable, S_IRUGO | S_IWUSR,
+ show_pwm_enable, set_pwm_enable, 2);
+static SENSOR_DEVICE_ATTR(pwm3, S_IRUGO | S_IWUSR, show_pwm, set_pwm, 2);
+static SENSOR_DEVICE_ATTR(pwm3_freq, S_IRUGO, show_pwm_freq, NULL, 2);
+static SENSOR_DEVICE_ATTR(pwm3_auto_channels_temp, S_IRUGO,
+ show_pwm_temp_map, set_pwm_temp_map, 2);
+static SENSOR_DEVICE_ATTR_2(pwm3_auto_point1_pwm, S_IRUGO | S_IWUSR,
+ show_auto_pwm, set_auto_pwm, 2, 0);
+static SENSOR_DEVICE_ATTR_2(pwm3_auto_point2_pwm, S_IRUGO | S_IWUSR,
+ show_auto_pwm, set_auto_pwm, 2, 1);
+static SENSOR_DEVICE_ATTR_2(pwm3_auto_point3_pwm, S_IRUGO | S_IWUSR,
+ show_auto_pwm, set_auto_pwm, 2, 2);
+static SENSOR_DEVICE_ATTR_2(pwm3_auto_point4_pwm, S_IRUGO,
+ show_auto_pwm, NULL, 2, 3);
+static SENSOR_DEVICE_ATTR_2(pwm3_auto_point1_temp, S_IRUGO | S_IWUSR,
+ show_auto_temp, set_auto_temp, 2, 1);
+static SENSOR_DEVICE_ATTR_2(pwm3_auto_point1_temp_hyst, S_IRUGO | S_IWUSR,
+ show_auto_temp, set_auto_temp, 2, 0);
+static SENSOR_DEVICE_ATTR_2(pwm3_auto_point2_temp, S_IRUGO | S_IWUSR,
+ show_auto_temp, set_auto_temp, 2, 2);
+static SENSOR_DEVICE_ATTR_2(pwm3_auto_point3_temp, S_IRUGO | S_IWUSR,
+ show_auto_temp, set_auto_temp, 2, 3);
+static SENSOR_DEVICE_ATTR_2(pwm3_auto_point4_temp, S_IRUGO | S_IWUSR,
+ show_auto_temp, set_auto_temp, 2, 4);
+static SENSOR_DEVICE_ATTR_2(pwm3_auto_start, S_IRUGO | S_IWUSR,
+ show_auto_pwm, set_auto_pwm, 2, 0);
+static SENSOR_DEVICE_ATTR(pwm3_auto_slope, S_IRUGO | S_IWUSR,
+ show_auto_pwm_slope, set_auto_pwm_slope, 2);
+
+static SENSOR_DEVICE_ATTR(pwm4_enable, S_IRUGO | S_IWUSR,
+ show_pwm_enable, set_pwm_enable, 3);
+static SENSOR_DEVICE_ATTR(pwm4, S_IRUGO | S_IWUSR, show_pwm, set_pwm, 3);
+static SENSOR_DEVICE_ATTR(pwm4_freq, S_IRUGO, show_pwm_freq, NULL, 3);
+static SENSOR_DEVICE_ATTR(pwm4_auto_channels_temp, S_IRUGO,
+ show_pwm_temp_map, set_pwm_temp_map, 3);
+static SENSOR_DEVICE_ATTR_2(pwm4_auto_point1_temp, S_IRUGO | S_IWUSR,
+ show_auto_temp, set_auto_temp, 2, 1);
+static SENSOR_DEVICE_ATTR_2(pwm4_auto_point1_temp_hyst, S_IRUGO | S_IWUSR,
+ show_auto_temp, set_auto_temp, 2, 0);
+static SENSOR_DEVICE_ATTR_2(pwm4_auto_point2_temp, S_IRUGO | S_IWUSR,
+ show_auto_temp, set_auto_temp, 2, 2);
+static SENSOR_DEVICE_ATTR_2(pwm4_auto_point3_temp, S_IRUGO | S_IWUSR,
+ show_auto_temp, set_auto_temp, 2, 3);
+static SENSOR_DEVICE_ATTR_2(pwm4_auto_start, S_IRUGO | S_IWUSR,
+ show_auto_pwm, set_auto_pwm, 3, 0);
+static SENSOR_DEVICE_ATTR(pwm4_auto_slope, S_IRUGO | S_IWUSR,
+ show_auto_pwm_slope, set_auto_pwm_slope, 3);
+
+static SENSOR_DEVICE_ATTR(pwm5_enable, S_IRUGO | S_IWUSR,
+ show_pwm_enable, set_pwm_enable, 4);
+static SENSOR_DEVICE_ATTR(pwm5, S_IRUGO | S_IWUSR, show_pwm, set_pwm, 4);
+static SENSOR_DEVICE_ATTR(pwm5_freq, S_IRUGO, show_pwm_freq, NULL, 4);
+static SENSOR_DEVICE_ATTR(pwm5_auto_channels_temp, S_IRUGO,
+ show_pwm_temp_map, set_pwm_temp_map, 4);
+static SENSOR_DEVICE_ATTR_2(pwm5_auto_point1_temp, S_IRUGO | S_IWUSR,
+ show_auto_temp, set_auto_temp, 2, 1);
+static SENSOR_DEVICE_ATTR_2(pwm5_auto_point1_temp_hyst, S_IRUGO | S_IWUSR,
+ show_auto_temp, set_auto_temp, 2, 0);
+static SENSOR_DEVICE_ATTR_2(pwm5_auto_point2_temp, S_IRUGO | S_IWUSR,
+ show_auto_temp, set_auto_temp, 2, 2);
+static SENSOR_DEVICE_ATTR_2(pwm5_auto_point3_temp, S_IRUGO | S_IWUSR,
+ show_auto_temp, set_auto_temp, 2, 3);
+static SENSOR_DEVICE_ATTR_2(pwm5_auto_start, S_IRUGO | S_IWUSR,
+ show_auto_pwm, set_auto_pwm, 4, 0);
+static SENSOR_DEVICE_ATTR(pwm5_auto_slope, S_IRUGO | S_IWUSR,
+ show_auto_pwm_slope, set_auto_pwm_slope, 4);
+
+static SENSOR_DEVICE_ATTR(pwm6_enable, S_IRUGO | S_IWUSR,
+ show_pwm_enable, set_pwm_enable, 5);
+static SENSOR_DEVICE_ATTR(pwm6, S_IRUGO | S_IWUSR, show_pwm, set_pwm, 5);
+static SENSOR_DEVICE_ATTR(pwm6_freq, S_IRUGO, show_pwm_freq, NULL, 5);
+static SENSOR_DEVICE_ATTR(pwm6_auto_channels_temp, S_IRUGO,
+ show_pwm_temp_map, set_pwm_temp_map, 5);
+static SENSOR_DEVICE_ATTR_2(pwm6_auto_point1_temp, S_IRUGO | S_IWUSR,
+ show_auto_temp, set_auto_temp, 2, 1);
+static SENSOR_DEVICE_ATTR_2(pwm6_auto_point1_temp_hyst, S_IRUGO | S_IWUSR,
+ show_auto_temp, set_auto_temp, 2, 0);
+static SENSOR_DEVICE_ATTR_2(pwm6_auto_point2_temp, S_IRUGO | S_IWUSR,
+ show_auto_temp, set_auto_temp, 2, 2);
+static SENSOR_DEVICE_ATTR_2(pwm6_auto_point3_temp, S_IRUGO | S_IWUSR,
+ show_auto_temp, set_auto_temp, 2, 3);
+static SENSOR_DEVICE_ATTR_2(pwm6_auto_start, S_IRUGO | S_IWUSR,
+ show_auto_pwm, set_auto_pwm, 5, 0);
+static SENSOR_DEVICE_ATTR(pwm6_auto_slope, S_IRUGO | S_IWUSR,
+ show_auto_pwm_slope, set_auto_pwm_slope, 5);
/* Alarms */
static ssize_t show_alarms(struct device *dev, struct device_attribute *attr,
- char *buf)
+ char *buf)
{
struct it87_data *data = it87_update_device(dev);
+
return sprintf(buf, "%u\n", data->alarms);
}
static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL);
static ssize_t show_alarm(struct device *dev, struct device_attribute *attr,
- char *buf)
+ char *buf)
{
- int bitnr = to_sensor_dev_attr(attr)->index;
struct it87_data *data = it87_update_device(dev);
+ int bitnr = to_sensor_dev_attr(attr)->index;
+
return sprintf(buf, "%u\n", (data->alarms >> bitnr) & 1);
}
-static ssize_t clear_intrusion(struct device *dev, struct device_attribute
- *attr, const char *buf, size_t count)
+static ssize_t clear_intrusion(struct device *dev,
+ struct device_attribute *attr, const char *buf,
+ size_t count)
{
struct it87_data *data = dev_get_drvdata(dev);
- long val;
int config;
+ long val;
if (kstrtol(buf, 10, &val) < 0 || val != 0)
return -EINVAL;
if (config < 0) {
count = config;
} else {
- config |= 1 << 5;
+ config |= BIT(5);
it87_write_value(data, IT87_REG_CONFIG, config);
/* Invalidate cache to force re-read */
data->valid = 0;
static SENSOR_DEVICE_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, 2);
static SENSOR_DEVICE_ATTR(fan4_alarm, S_IRUGO, show_alarm, NULL, 3);
static SENSOR_DEVICE_ATTR(fan5_alarm, S_IRUGO, show_alarm, NULL, 6);
+static SENSOR_DEVICE_ATTR(fan6_alarm, S_IRUGO, show_alarm, NULL, 7);
static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 16);
static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 17);
static SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 18);
+static SENSOR_DEVICE_ATTR(temp4_alarm, S_IRUGO, show_alarm, NULL, 19);
+static SENSOR_DEVICE_ATTR(temp5_alarm, S_IRUGO, show_alarm, NULL, 20);
+static SENSOR_DEVICE_ATTR(temp6_alarm, S_IRUGO, show_alarm, NULL, 21);
static SENSOR_DEVICE_ATTR(intrusion0_alarm, S_IRUGO | S_IWUSR,
show_alarm, clear_intrusion, 4);
static ssize_t show_beep(struct device *dev, struct device_attribute *attr,
- char *buf)
+ char *buf)
{
- int bitnr = to_sensor_dev_attr(attr)->index;
struct it87_data *data = it87_update_device(dev);
+ int bitnr = to_sensor_dev_attr(attr)->index;
+
return sprintf(buf, "%u\n", (data->beeps >> bitnr) & 1);
}
+
static ssize_t set_beep(struct device *dev, struct device_attribute *attr,
- const char *buf, size_t count)
+ const char *buf, size_t count)
{
int bitnr = to_sensor_dev_attr(attr)->index;
struct it87_data *data = dev_get_drvdata(dev);
long val;
- if (kstrtol(buf, 10, &val) < 0
- || (val != 0 && val != 1))
+ if (kstrtol(buf, 10, &val) < 0 || (val != 0 && val != 1))
return -EINVAL;
mutex_lock(&data->update_lock);
data->beeps = it87_read_value(data, IT87_REG_BEEP_ENABLE);
if (val)
- data->beeps |= (1 << bitnr);
+ data->beeps |= BIT(bitnr);
else
- data->beeps &= ~(1 << bitnr);
+ data->beeps &= ~BIT(bitnr);
it87_write_value(data, IT87_REG_BEEP_ENABLE, data->beeps);
mutex_unlock(&data->update_lock);
return count;
static SENSOR_DEVICE_ATTR(fan3_beep, S_IRUGO, show_beep, set_beep, 0);
static SENSOR_DEVICE_ATTR(fan4_beep, S_IRUGO, show_beep, set_beep, 0);
static SENSOR_DEVICE_ATTR(fan5_beep, S_IRUGO, show_beep, set_beep, 0);
+static SENSOR_DEVICE_ATTR(fan6_beep, S_IRUGO, show_beep, set_beep, 0);
static SENSOR_DEVICE_ATTR(temp1_beep, S_IRUGO | S_IWUSR,
show_beep, set_beep, 2);
static SENSOR_DEVICE_ATTR(temp2_beep, S_IRUGO, show_beep, NULL, 2);
static SENSOR_DEVICE_ATTR(temp3_beep, S_IRUGO, show_beep, NULL, 2);
+static SENSOR_DEVICE_ATTR(temp4_beep, S_IRUGO, show_beep, NULL, 2);
+static SENSOR_DEVICE_ATTR(temp5_beep, S_IRUGO, show_beep, NULL, 2);
+static SENSOR_DEVICE_ATTR(temp6_beep, S_IRUGO, show_beep, NULL, 2);
static ssize_t show_vrm_reg(struct device *dev, struct device_attribute *attr,
- char *buf)
+ char *buf)
{
struct it87_data *data = dev_get_drvdata(dev);
+
return sprintf(buf, "%u\n", data->vrm);
}
+
static ssize_t store_vrm_reg(struct device *dev, struct device_attribute *attr,
- const char *buf, size_t count)
+ const char *buf, size_t count)
{
struct it87_data *data = dev_get_drvdata(dev);
unsigned long val;
static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm_reg, store_vrm_reg);
static ssize_t show_vid_reg(struct device *dev, struct device_attribute *attr,
- char *buf)
+ char *buf)
{
struct it87_data *data = it87_update_device(dev);
- return sprintf(buf, "%ld\n", (long) vid_from_reg(data->vid, data->vrm));
+
+ return sprintf(buf, "%ld\n", (long)vid_from_reg(data->vid, data->vrm));
}
static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid_reg, NULL);
static ssize_t show_label(struct device *dev, struct device_attribute *attr,
- char *buf)
+ char *buf)
{
static const char * const labels[] = {
"+5V",
"5VSB",
"Vbat",
+ "AVCC",
};
static const char * const labels_it8721[] = {
"+3.3V",
"3VSB",
"Vbat",
+ "+3.3V",
};
struct it87_data *data = dev_get_drvdata(dev);
int nr = to_sensor_dev_attr(attr)->index;
+ const char *label;
- return sprintf(buf, "%s\n", has_12mv_adc(data) ? labels_it8721[nr]
- : labels[nr]);
+ if (has_vin3_5v(data) && nr == 0)
+ label = labels[0];
+ else if (has_12mv_adc(data) || has_10_9mv_adc(data) ||
+ has_11mv_adc(data))
+ label = labels_it8721[nr];
+ else
+ label = labels[nr];
+
+ return sprintf(buf, "%s\n", label);
}
static SENSOR_DEVICE_ATTR(in3_label, S_IRUGO, show_label, NULL, 0);
static SENSOR_DEVICE_ATTR(in7_label, S_IRUGO, show_label, NULL, 1);
static SENSOR_DEVICE_ATTR(in8_label, S_IRUGO, show_label, NULL, 2);
+/* AVCC3 */
+static SENSOR_DEVICE_ATTR(in9_label, S_IRUGO, show_label, NULL, 3);
-static ssize_t show_name(struct device *dev, struct device_attribute
- *devattr, char *buf)
+static umode_t it87_in_is_visible(struct kobject *kobj,
+ struct attribute *attr, int index)
{
+ struct device *dev = container_of(kobj, struct device, kobj);
struct it87_data *data = dev_get_drvdata(dev);
- return sprintf(buf, "%s\n", data->name);
+ int i = index / 5; /* voltage index */
+ int a = index % 5; /* attribute index */
+
+ if (index >= 40) { /* in8 and higher only have input attributes */
+ i = index - 40 + 8;
+ a = 0;
+ }
+
+ if (!(data->has_in & BIT(i)))
+ return 0;
+
+ if (a == 4 && !data->has_beep)
+ return 0;
+
+ return attr->mode;
}
-static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
-static struct attribute *it87_attributes[] = {
+static struct attribute *it87_attributes_in[] = {
&sensor_dev_attr_in0_input.dev_attr.attr,
- &sensor_dev_attr_in1_input.dev_attr.attr,
- &sensor_dev_attr_in2_input.dev_attr.attr,
- &sensor_dev_attr_in3_input.dev_attr.attr,
- &sensor_dev_attr_in4_input.dev_attr.attr,
- &sensor_dev_attr_in5_input.dev_attr.attr,
- &sensor_dev_attr_in6_input.dev_attr.attr,
- &sensor_dev_attr_in7_input.dev_attr.attr,
- &sensor_dev_attr_in8_input.dev_attr.attr,
&sensor_dev_attr_in0_min.dev_attr.attr,
- &sensor_dev_attr_in1_min.dev_attr.attr,
- &sensor_dev_attr_in2_min.dev_attr.attr,
- &sensor_dev_attr_in3_min.dev_attr.attr,
- &sensor_dev_attr_in4_min.dev_attr.attr,
- &sensor_dev_attr_in5_min.dev_attr.attr,
- &sensor_dev_attr_in6_min.dev_attr.attr,
- &sensor_dev_attr_in7_min.dev_attr.attr,
&sensor_dev_attr_in0_max.dev_attr.attr,
- &sensor_dev_attr_in1_max.dev_attr.attr,
- &sensor_dev_attr_in2_max.dev_attr.attr,
- &sensor_dev_attr_in3_max.dev_attr.attr,
- &sensor_dev_attr_in4_max.dev_attr.attr,
- &sensor_dev_attr_in5_max.dev_attr.attr,
- &sensor_dev_attr_in6_max.dev_attr.attr,
- &sensor_dev_attr_in7_max.dev_attr.attr,
&sensor_dev_attr_in0_alarm.dev_attr.attr,
+ &sensor_dev_attr_in0_beep.dev_attr.attr, /* 4 */
+
+ &sensor_dev_attr_in1_input.dev_attr.attr,
+ &sensor_dev_attr_in1_min.dev_attr.attr,
+ &sensor_dev_attr_in1_max.dev_attr.attr,
&sensor_dev_attr_in1_alarm.dev_attr.attr,
+ &sensor_dev_attr_in1_beep.dev_attr.attr, /* 9 */
+
+ &sensor_dev_attr_in2_input.dev_attr.attr,
+ &sensor_dev_attr_in2_min.dev_attr.attr,
+ &sensor_dev_attr_in2_max.dev_attr.attr,
&sensor_dev_attr_in2_alarm.dev_attr.attr,
+ &sensor_dev_attr_in2_beep.dev_attr.attr, /* 14 */
+
+ &sensor_dev_attr_in3_input.dev_attr.attr,
+ &sensor_dev_attr_in3_min.dev_attr.attr,
+ &sensor_dev_attr_in3_max.dev_attr.attr,
&sensor_dev_attr_in3_alarm.dev_attr.attr,
+ &sensor_dev_attr_in3_beep.dev_attr.attr, /* 19 */
+
+ &sensor_dev_attr_in4_input.dev_attr.attr,
+ &sensor_dev_attr_in4_min.dev_attr.attr,
+ &sensor_dev_attr_in4_max.dev_attr.attr,
&sensor_dev_attr_in4_alarm.dev_attr.attr,
+ &sensor_dev_attr_in4_beep.dev_attr.attr, /* 24 */
+
+ &sensor_dev_attr_in5_input.dev_attr.attr,
+ &sensor_dev_attr_in5_min.dev_attr.attr,
+ &sensor_dev_attr_in5_max.dev_attr.attr,
&sensor_dev_attr_in5_alarm.dev_attr.attr,
+ &sensor_dev_attr_in5_beep.dev_attr.attr, /* 29 */
+
+ &sensor_dev_attr_in6_input.dev_attr.attr,
+ &sensor_dev_attr_in6_min.dev_attr.attr,
+ &sensor_dev_attr_in6_max.dev_attr.attr,
&sensor_dev_attr_in6_alarm.dev_attr.attr,
+ &sensor_dev_attr_in6_beep.dev_attr.attr, /* 34 */
+
+ &sensor_dev_attr_in7_input.dev_attr.attr,
+ &sensor_dev_attr_in7_min.dev_attr.attr,
+ &sensor_dev_attr_in7_max.dev_attr.attr,
&sensor_dev_attr_in7_alarm.dev_attr.attr,
+ &sensor_dev_attr_in7_beep.dev_attr.attr, /* 39 */
+
+ &sensor_dev_attr_in8_input.dev_attr.attr, /* 40 */
+ &sensor_dev_attr_in9_input.dev_attr.attr, /* 41 */
+ &sensor_dev_attr_in10_input.dev_attr.attr, /* 42 */
+ &sensor_dev_attr_in11_input.dev_attr.attr, /* 43 */
+ &sensor_dev_attr_in12_input.dev_attr.attr, /* 44 */
+ NULL
+};
+
+static const struct attribute_group it87_group_in = {
+ .attrs = it87_attributes_in,
+ .is_visible = it87_in_is_visible,
+};
+static umode_t it87_temp_is_visible(struct kobject *kobj,
+ struct attribute *attr, int index)
+{
+ struct device *dev = container_of(kobj, struct device, kobj);
+ struct it87_data *data = dev_get_drvdata(dev);
+ int i = index / 7; /* temperature index */
+ int a = index % 7; /* attribute index */
+
+ if (!(data->has_temp & BIT(i)))
+ return 0;
+
+ if (a && i >= data->num_temp_limit)
+ return 0;
+
+ if (a == 3) {
+ int type = get_temp_type(data, i);
+
+ if (type == 0)
+ return 0;
+ if (has_bank_sel(data))
+ return 0444;
+ return attr->mode;
+ }
+
+ if (a == 5 && i >= data->num_temp_offset)
+ return 0;
+
+ if (a == 6 && !data->has_beep)
+ return 0;
+
+ return attr->mode;
+}
+
+static struct attribute *it87_attributes_temp[] = {
&sensor_dev_attr_temp1_input.dev_attr.attr,
- &sensor_dev_attr_temp2_input.dev_attr.attr,
- &sensor_dev_attr_temp3_input.dev_attr.attr,
&sensor_dev_attr_temp1_max.dev_attr.attr,
- &sensor_dev_attr_temp2_max.dev_attr.attr,
- &sensor_dev_attr_temp3_max.dev_attr.attr,
&sensor_dev_attr_temp1_min.dev_attr.attr,
+ &sensor_dev_attr_temp1_type.dev_attr.attr, /* 3 */
+ &sensor_dev_attr_temp1_alarm.dev_attr.attr,
+ &sensor_dev_attr_temp1_offset.dev_attr.attr, /* 5 */
+ &sensor_dev_attr_temp1_beep.dev_attr.attr, /* 6 */
+
+ &sensor_dev_attr_temp2_input.dev_attr.attr, /* 7 */
+ &sensor_dev_attr_temp2_max.dev_attr.attr,
&sensor_dev_attr_temp2_min.dev_attr.attr,
- &sensor_dev_attr_temp3_min.dev_attr.attr,
- &sensor_dev_attr_temp1_type.dev_attr.attr,
&sensor_dev_attr_temp2_type.dev_attr.attr,
- &sensor_dev_attr_temp3_type.dev_attr.attr,
- &sensor_dev_attr_temp1_alarm.dev_attr.attr,
&sensor_dev_attr_temp2_alarm.dev_attr.attr,
+ &sensor_dev_attr_temp2_offset.dev_attr.attr,
+ &sensor_dev_attr_temp2_beep.dev_attr.attr,
+
+ &sensor_dev_attr_temp3_input.dev_attr.attr, /* 14 */
+ &sensor_dev_attr_temp3_max.dev_attr.attr,
+ &sensor_dev_attr_temp3_min.dev_attr.attr,
+ &sensor_dev_attr_temp3_type.dev_attr.attr,
&sensor_dev_attr_temp3_alarm.dev_attr.attr,
+ &sensor_dev_attr_temp3_offset.dev_attr.attr,
+ &sensor_dev_attr_temp3_beep.dev_attr.attr,
+
+ &sensor_dev_attr_temp4_input.dev_attr.attr, /* 21 */
+ &sensor_dev_attr_temp4_max.dev_attr.attr,
+ &sensor_dev_attr_temp4_min.dev_attr.attr,
+ &sensor_dev_attr_temp4_type.dev_attr.attr,
+ &sensor_dev_attr_temp4_alarm.dev_attr.attr,
+ &sensor_dev_attr_temp4_offset.dev_attr.attr,
+ &sensor_dev_attr_temp4_beep.dev_attr.attr,
+
+ &sensor_dev_attr_temp5_input.dev_attr.attr,
+ &sensor_dev_attr_temp5_max.dev_attr.attr,
+ &sensor_dev_attr_temp5_min.dev_attr.attr,
+ &sensor_dev_attr_temp5_type.dev_attr.attr,
+ &sensor_dev_attr_temp5_alarm.dev_attr.attr,
+ &sensor_dev_attr_temp5_offset.dev_attr.attr,
+ &sensor_dev_attr_temp5_beep.dev_attr.attr,
+
+ &sensor_dev_attr_temp6_input.dev_attr.attr,
+ &sensor_dev_attr_temp6_max.dev_attr.attr,
+ &sensor_dev_attr_temp6_min.dev_attr.attr,
+ &sensor_dev_attr_temp6_type.dev_attr.attr,
+ &sensor_dev_attr_temp6_alarm.dev_attr.attr,
+ &sensor_dev_attr_temp6_offset.dev_attr.attr,
+ &sensor_dev_attr_temp6_beep.dev_attr.attr,
+ NULL
+};
+
+static const struct attribute_group it87_group_temp = {
+ .attrs = it87_attributes_temp,
+ .is_visible = it87_temp_is_visible,
+};
+
+static umode_t it87_is_visible(struct kobject *kobj,
+ struct attribute *attr, int index)
+{
+ struct device *dev = container_of(kobj, struct device, kobj);
+ struct it87_data *data = dev_get_drvdata(dev);
+
+ if ((index == 2 || index == 3) && !data->has_vid)
+ return 0;
+ if (index > 3 && !(data->in_internal & BIT(index - 4)))
+ return 0;
+
+ return attr->mode;
+}
+
+static struct attribute *it87_attributes[] = {
&dev_attr_alarms.attr,
&sensor_dev_attr_intrusion0_alarm.dev_attr.attr,
- &dev_attr_name.attr,
+ &dev_attr_vrm.attr, /* 2 */
+ &dev_attr_cpu0_vid.attr, /* 3 */
+ &sensor_dev_attr_in3_label.dev_attr.attr, /* 4 .. 7 */
+ &sensor_dev_attr_in7_label.dev_attr.attr,
+ &sensor_dev_attr_in8_label.dev_attr.attr,
+ &sensor_dev_attr_in9_label.dev_attr.attr,
NULL
};
static const struct attribute_group it87_group = {
.attrs = it87_attributes,
+ .is_visible = it87_is_visible,
};
-static struct attribute *it87_attributes_beep[] = {
- &sensor_dev_attr_in0_beep.dev_attr.attr,
- &sensor_dev_attr_in1_beep.dev_attr.attr,
- &sensor_dev_attr_in2_beep.dev_attr.attr,
- &sensor_dev_attr_in3_beep.dev_attr.attr,
- &sensor_dev_attr_in4_beep.dev_attr.attr,
- &sensor_dev_attr_in5_beep.dev_attr.attr,
- &sensor_dev_attr_in6_beep.dev_attr.attr,
- &sensor_dev_attr_in7_beep.dev_attr.attr,
-
- &sensor_dev_attr_temp1_beep.dev_attr.attr,
- &sensor_dev_attr_temp2_beep.dev_attr.attr,
- &sensor_dev_attr_temp3_beep.dev_attr.attr,
- NULL
-};
+static umode_t it87_fan_is_visible(struct kobject *kobj,
+ struct attribute *attr, int index)
+{
+ struct device *dev = container_of(kobj, struct device, kobj);
+ struct it87_data *data = dev_get_drvdata(dev);
+ int i = index / 5; /* fan index */
+ int a = index % 5; /* attribute index */
-static const struct attribute_group it87_group_beep = {
- .attrs = it87_attributes_beep,
-};
+ if (index >= 15) { /* fan 4..6 don't have divisor attributes */
+ i = (index - 15) / 4 + 3;
+ a = (index - 15) % 4;
+ }
-static struct attribute *it87_attributes_fan16[5][3+1] = { {
- &sensor_dev_attr_fan1_input16.dev_attr.attr,
- &sensor_dev_attr_fan1_min16.dev_attr.attr,
- &sensor_dev_attr_fan1_alarm.dev_attr.attr,
- NULL
-}, {
- &sensor_dev_attr_fan2_input16.dev_attr.attr,
- &sensor_dev_attr_fan2_min16.dev_attr.attr,
- &sensor_dev_attr_fan2_alarm.dev_attr.attr,
- NULL
-}, {
- &sensor_dev_attr_fan3_input16.dev_attr.attr,
- &sensor_dev_attr_fan3_min16.dev_attr.attr,
- &sensor_dev_attr_fan3_alarm.dev_attr.attr,
- NULL
-}, {
- &sensor_dev_attr_fan4_input16.dev_attr.attr,
- &sensor_dev_attr_fan4_min16.dev_attr.attr,
- &sensor_dev_attr_fan4_alarm.dev_attr.attr,
- NULL
-}, {
- &sensor_dev_attr_fan5_input16.dev_attr.attr,
- &sensor_dev_attr_fan5_min16.dev_attr.attr,
- &sensor_dev_attr_fan5_alarm.dev_attr.attr,
- NULL
-} };
-
-static const struct attribute_group it87_group_fan16[5] = {
- { .attrs = it87_attributes_fan16[0] },
- { .attrs = it87_attributes_fan16[1] },
- { .attrs = it87_attributes_fan16[2] },
- { .attrs = it87_attributes_fan16[3] },
- { .attrs = it87_attributes_fan16[4] },
-};
+ if (!(data->has_fan & BIT(i)))
+ return 0;
+
+ if (a == 3) { /* beep */
+ if (!data->has_beep)
+ return 0;
+ /* first fan beep attribute is writable */
+ if (i == __ffs(data->has_fan))
+ return attr->mode | S_IWUSR;
+ }
+
+ if (a == 4 && has_16bit_fans(data)) /* divisor */
+ return 0;
+
+ return attr->mode;
+}
-static struct attribute *it87_attributes_fan[3][4+1] = { {
+static struct attribute *it87_attributes_fan[] = {
&sensor_dev_attr_fan1_input.dev_attr.attr,
&sensor_dev_attr_fan1_min.dev_attr.attr,
- &sensor_dev_attr_fan1_div.dev_attr.attr,
&sensor_dev_attr_fan1_alarm.dev_attr.attr,
- NULL
-}, {
+ &sensor_dev_attr_fan1_beep.dev_attr.attr, /* 3 */
+ &sensor_dev_attr_fan1_div.dev_attr.attr, /* 4 */
+
&sensor_dev_attr_fan2_input.dev_attr.attr,
&sensor_dev_attr_fan2_min.dev_attr.attr,
- &sensor_dev_attr_fan2_div.dev_attr.attr,
&sensor_dev_attr_fan2_alarm.dev_attr.attr,
- NULL
-}, {
+ &sensor_dev_attr_fan2_beep.dev_attr.attr,
+ &sensor_dev_attr_fan2_div.dev_attr.attr, /* 9 */
+
&sensor_dev_attr_fan3_input.dev_attr.attr,
&sensor_dev_attr_fan3_min.dev_attr.attr,
- &sensor_dev_attr_fan3_div.dev_attr.attr,
&sensor_dev_attr_fan3_alarm.dev_attr.attr,
+ &sensor_dev_attr_fan3_beep.dev_attr.attr,
+ &sensor_dev_attr_fan3_div.dev_attr.attr, /* 14 */
+
+ &sensor_dev_attr_fan4_input.dev_attr.attr, /* 15 */
+ &sensor_dev_attr_fan4_min.dev_attr.attr,
+ &sensor_dev_attr_fan4_alarm.dev_attr.attr,
+ &sensor_dev_attr_fan4_beep.dev_attr.attr,
+
+ &sensor_dev_attr_fan5_input.dev_attr.attr, /* 19 */
+ &sensor_dev_attr_fan5_min.dev_attr.attr,
+ &sensor_dev_attr_fan5_alarm.dev_attr.attr,
+ &sensor_dev_attr_fan5_beep.dev_attr.attr,
+
+ &sensor_dev_attr_fan6_input.dev_attr.attr, /* 23 */
+ &sensor_dev_attr_fan6_min.dev_attr.attr,
+ &sensor_dev_attr_fan6_alarm.dev_attr.attr,
+ &sensor_dev_attr_fan6_beep.dev_attr.attr,
NULL
-} };
+};
-static const struct attribute_group it87_group_fan[3] = {
- { .attrs = it87_attributes_fan[0] },
- { .attrs = it87_attributes_fan[1] },
- { .attrs = it87_attributes_fan[2] },
+static const struct attribute_group it87_group_fan = {
+ .attrs = it87_attributes_fan,
+ .is_visible = it87_fan_is_visible,
};
-static const struct attribute_group *
-it87_get_fan_group(const struct it87_data *data)
+static umode_t it87_pwm_is_visible(struct kobject *kobj,
+ struct attribute *attr, int index)
{
- return has_16bit_fans(data) ? it87_group_fan16 : it87_group_fan;
+ struct device *dev = container_of(kobj, struct device, kobj);
+ struct it87_data *data = dev_get_drvdata(dev);
+ int i = index / 4; /* pwm index */
+ int a = index % 4; /* attribute index */
+
+ if (!(data->has_pwm & BIT(i)))
+ return 0;
+
+ /* pwmX_auto_channels_temp is only writable if auto pwm is supported */
+ if (a == 3 && (has_old_autopwm(data) || has_newer_autopwm(data)))
+ return attr->mode | S_IWUSR;
+
+ /* pwm2_freq is writable if there are two pwm frequency selects */
+ if (has_pwm_freq2(data) && i == 1 && a == 2)
+ return attr->mode | S_IWUSR;
+
+ return attr->mode;
}
-static struct attribute *it87_attributes_pwm[3][4+1] = { {
+static struct attribute *it87_attributes_pwm[] = {
&sensor_dev_attr_pwm1_enable.dev_attr.attr,
&sensor_dev_attr_pwm1.dev_attr.attr,
- &dev_attr_pwm1_freq.attr,
+ &sensor_dev_attr_pwm1_freq.dev_attr.attr,
&sensor_dev_attr_pwm1_auto_channels_temp.dev_attr.attr,
- NULL
-}, {
+
&sensor_dev_attr_pwm2_enable.dev_attr.attr,
&sensor_dev_attr_pwm2.dev_attr.attr,
- &dev_attr_pwm2_freq.attr,
+ &sensor_dev_attr_pwm2_freq.dev_attr.attr,
&sensor_dev_attr_pwm2_auto_channels_temp.dev_attr.attr,
- NULL
-}, {
+
&sensor_dev_attr_pwm3_enable.dev_attr.attr,
&sensor_dev_attr_pwm3.dev_attr.attr,
- &dev_attr_pwm3_freq.attr,
+ &sensor_dev_attr_pwm3_freq.dev_attr.attr,
&sensor_dev_attr_pwm3_auto_channels_temp.dev_attr.attr,
+
+ &sensor_dev_attr_pwm4_enable.dev_attr.attr,
+ &sensor_dev_attr_pwm4.dev_attr.attr,
+ &sensor_dev_attr_pwm4_freq.dev_attr.attr,
+ &sensor_dev_attr_pwm4_auto_channels_temp.dev_attr.attr,
+
+ &sensor_dev_attr_pwm5_enable.dev_attr.attr,
+ &sensor_dev_attr_pwm5.dev_attr.attr,
+ &sensor_dev_attr_pwm5_freq.dev_attr.attr,
+ &sensor_dev_attr_pwm5_auto_channels_temp.dev_attr.attr,
+
+ &sensor_dev_attr_pwm6_enable.dev_attr.attr,
+ &sensor_dev_attr_pwm6.dev_attr.attr,
+ &sensor_dev_attr_pwm6_freq.dev_attr.attr,
+ &sensor_dev_attr_pwm6_auto_channels_temp.dev_attr.attr,
+
NULL
-} };
+};
-static const struct attribute_group it87_group_pwm[3] = {
- { .attrs = it87_attributes_pwm[0] },
- { .attrs = it87_attributes_pwm[1] },
- { .attrs = it87_attributes_pwm[2] },
+static const struct attribute_group it87_group_pwm = {
+ .attrs = it87_attributes_pwm,
+ .is_visible = it87_pwm_is_visible,
};
-static struct attribute *it87_attributes_autopwm[3][9+1] = { {
+static umode_t it87_auto_pwm_is_visible(struct kobject *kobj,
+ struct attribute *attr, int index)
+{
+ struct device *dev = container_of(kobj, struct device, kobj);
+ struct it87_data *data = dev_get_drvdata(dev);
+ int i = index / 11; /* pwm index */
+ int a = index % 11; /* attribute index */
+
+ if (index >= 33) { /* pwm 4..6 */
+ i = (index - 33) / 6 + 3;
+ a = (index - 33) % 6 + 4;
+ }
+
+ if (!(data->has_pwm & BIT(i)))
+ return 0;
+
+ if (has_newer_autopwm(data)) {
+ if (a < 4) /* no auto point pwm */
+ return 0;
+ if (a == 8) /* no auto_point4 */
+ return 0;
+ }
+ if (has_old_autopwm(data)) {
+ if (a >= 9) /* no pwm_auto_start, pwm_auto_slope */
+ return 0;
+ }
+
+ return attr->mode;
+}
+
+static struct attribute *it87_attributes_auto_pwm[] = {
&sensor_dev_attr_pwm1_auto_point1_pwm.dev_attr.attr,
&sensor_dev_attr_pwm1_auto_point2_pwm.dev_attr.attr,
&sensor_dev_attr_pwm1_auto_point3_pwm.dev_attr.attr,
&sensor_dev_attr_pwm1_auto_point2_temp.dev_attr.attr,
&sensor_dev_attr_pwm1_auto_point3_temp.dev_attr.attr,
&sensor_dev_attr_pwm1_auto_point4_temp.dev_attr.attr,
- NULL
-}, {
- &sensor_dev_attr_pwm2_auto_point1_pwm.dev_attr.attr,
+ &sensor_dev_attr_pwm1_auto_start.dev_attr.attr,
+ &sensor_dev_attr_pwm1_auto_slope.dev_attr.attr,
+
+ &sensor_dev_attr_pwm2_auto_point1_pwm.dev_attr.attr, /* 11 */
&sensor_dev_attr_pwm2_auto_point2_pwm.dev_attr.attr,
&sensor_dev_attr_pwm2_auto_point3_pwm.dev_attr.attr,
&sensor_dev_attr_pwm2_auto_point4_pwm.dev_attr.attr,
&sensor_dev_attr_pwm2_auto_point2_temp.dev_attr.attr,
&sensor_dev_attr_pwm2_auto_point3_temp.dev_attr.attr,
&sensor_dev_attr_pwm2_auto_point4_temp.dev_attr.attr,
- NULL
-}, {
- &sensor_dev_attr_pwm3_auto_point1_pwm.dev_attr.attr,
+ &sensor_dev_attr_pwm2_auto_start.dev_attr.attr,
+ &sensor_dev_attr_pwm2_auto_slope.dev_attr.attr,
+
+ &sensor_dev_attr_pwm3_auto_point1_pwm.dev_attr.attr, /* 22 */
&sensor_dev_attr_pwm3_auto_point2_pwm.dev_attr.attr,
&sensor_dev_attr_pwm3_auto_point3_pwm.dev_attr.attr,
&sensor_dev_attr_pwm3_auto_point4_pwm.dev_attr.attr,
&sensor_dev_attr_pwm3_auto_point2_temp.dev_attr.attr,
&sensor_dev_attr_pwm3_auto_point3_temp.dev_attr.attr,
&sensor_dev_attr_pwm3_auto_point4_temp.dev_attr.attr,
- NULL
-} };
-
-static const struct attribute_group it87_group_autopwm[3] = {
- { .attrs = it87_attributes_autopwm[0] },
- { .attrs = it87_attributes_autopwm[1] },
- { .attrs = it87_attributes_autopwm[2] },
-};
-
-static struct attribute *it87_attributes_fan_beep[] = {
- &sensor_dev_attr_fan1_beep.dev_attr.attr,
- &sensor_dev_attr_fan2_beep.dev_attr.attr,
- &sensor_dev_attr_fan3_beep.dev_attr.attr,
- &sensor_dev_attr_fan4_beep.dev_attr.attr,
- &sensor_dev_attr_fan5_beep.dev_attr.attr,
+ &sensor_dev_attr_pwm3_auto_start.dev_attr.attr,
+ &sensor_dev_attr_pwm3_auto_slope.dev_attr.attr,
+
+ &sensor_dev_attr_pwm4_auto_point1_temp.dev_attr.attr, /* 33 */
+ &sensor_dev_attr_pwm4_auto_point1_temp_hyst.dev_attr.attr,
+ &sensor_dev_attr_pwm4_auto_point2_temp.dev_attr.attr,
+ &sensor_dev_attr_pwm4_auto_point3_temp.dev_attr.attr,
+ &sensor_dev_attr_pwm4_auto_start.dev_attr.attr,
+ &sensor_dev_attr_pwm4_auto_slope.dev_attr.attr,
+
+ &sensor_dev_attr_pwm5_auto_point1_temp.dev_attr.attr,
+ &sensor_dev_attr_pwm5_auto_point1_temp_hyst.dev_attr.attr,
+ &sensor_dev_attr_pwm5_auto_point2_temp.dev_attr.attr,
+ &sensor_dev_attr_pwm5_auto_point3_temp.dev_attr.attr,
+ &sensor_dev_attr_pwm5_auto_start.dev_attr.attr,
+ &sensor_dev_attr_pwm5_auto_slope.dev_attr.attr,
+
+ &sensor_dev_attr_pwm6_auto_point1_temp.dev_attr.attr,
+ &sensor_dev_attr_pwm6_auto_point1_temp_hyst.dev_attr.attr,
+ &sensor_dev_attr_pwm6_auto_point2_temp.dev_attr.attr,
+ &sensor_dev_attr_pwm6_auto_point3_temp.dev_attr.attr,
+ &sensor_dev_attr_pwm6_auto_start.dev_attr.attr,
+ &sensor_dev_attr_pwm6_auto_slope.dev_attr.attr,
+
+ NULL,
};
-static struct attribute *it87_attributes_vid[] = {
- &dev_attr_vrm.attr,
- &dev_attr_cpu0_vid.attr,
- NULL
-};
-
-static const struct attribute_group it87_group_vid = {
- .attrs = it87_attributes_vid,
-};
-
-static struct attribute *it87_attributes_label[] = {
- &sensor_dev_attr_in3_label.dev_attr.attr,
- &sensor_dev_attr_in7_label.dev_attr.attr,
- &sensor_dev_attr_in8_label.dev_attr.attr,
- NULL
-};
-
-static const struct attribute_group it87_group_label = {
- .attrs = it87_attributes_label,
+static const struct attribute_group it87_group_auto_pwm = {
+ .attrs = it87_attributes_auto_pwm,
+ .is_visible = it87_auto_pwm_is_visible,
};
/* SuperIO detection - will change isa_address if a chip is found */
-static int __init it87_find(unsigned short *address,
- struct it87_sio_data *sio_data)
+static int __init it87_find(int sioaddr, unsigned short *address,
+ struct it87_sio_data *sio_data)
{
int err;
u16 chip_type;
- const char *board_vendor, *board_name;
+ const struct it87_devices *config;
- err = superio_enter();
+ err = superio_enter(sioaddr);
if (err)
return err;
err = -ENODEV;
- chip_type = force_id ? force_id : superio_inw(DEVID);
+ chip_type = superio_inw(sioaddr, DEVID);
+ if (chip_type == 0xffff)
+ goto exit;
+
+ if (force_id)
+ chip_type = force_id;
switch (chip_type) {
case IT8705F_DEVID:
case IT8728F_DEVID:
sio_data->type = it8728;
break;
+ case IT8732F_DEVID:
+ sio_data->type = it8732;
+ break;
+ case IT8792E_DEVID:
+ sio_data->type = it8792;
+ break;
+ case IT8771E_DEVID:
+ sio_data->type = it8771;
+ break;
+ case IT8772E_DEVID:
+ sio_data->type = it8772;
+ break;
+ case IT8781F_DEVID:
+ sio_data->type = it8781;
+ break;
+ case IT8782F_DEVID:
+ sio_data->type = it8782;
+ break;
case IT8783E_DEVID:
sio_data->type = it8783;
break;
+ case IT8786E_DEVID:
+ sio_data->type = it8786;
+ break;
+ case IT8790E_DEVID:
+ sio_data->type = it8790;
+ break;
+ case IT8603E_DEVID:
+ case IT8623E_DEVID:
+ sio_data->type = it8603;
+ break;
+ case IT8607E_DEVID:
+ sio_data->type = it8607;
+ break;
+ case IT8613E_DEVID:
+ sio_data->type = it8613;
+ break;
+ case IT8620E_DEVID:
+ sio_data->type = it8620;
+ break;
+ case IT8622E_DEVID:
+ sio_data->type = it8622;
+ break;
+ case IT8625E_DEVID:
+ sio_data->type = it8625;
+ break;
+ case IT8628E_DEVID:
+ sio_data->type = it8628;
+ break;
+ case IT8655E_DEVID:
+ sio_data->type = it8655;
+ break;
+ case IT8665E_DEVID:
+ sio_data->type = it8665;
+ break;
+ case IT8686E_DEVID:
+ sio_data->type = it8686;
+ break;
case 0xffff: /* No device at all */
goto exit;
default:
goto exit;
}
- superio_select(PME);
- if (!(superio_inb(IT87_ACT_REG) & 0x01)) {
+ superio_select(sioaddr, PME);
+ if (!(superio_inb(sioaddr, IT87_ACT_REG) & 0x01)) {
pr_info("Device not activated, skipping\n");
goto exit;
}
- *address = superio_inw(IT87_BASE_REG) & ~(IT87_EXTENT - 1);
+ *address = superio_inw(sioaddr, IT87_BASE_REG) & ~(IT87_EXTENT - 1);
if (*address == 0) {
pr_info("Base address not set, skipping\n");
goto exit;
}
err = 0;
- sio_data->revision = superio_inb(DEVREV) & 0x0f;
- pr_info("Found IT%04xF chip at 0x%x, revision %d\n",
- chip_type, *address, sio_data->revision);
+ sio_data->revision = superio_inb(sioaddr, DEVREV) & 0x0f;
+ pr_info("Found IT%04x%s chip at 0x%x, revision %d\n", chip_type,
+ it87_devices[sio_data->type].suffix,
+ *address, sio_data->revision);
+
+ config = &it87_devices[sio_data->type];
+
+ /* in7 (VSB or VCCH5V) is always internal on some chips */
+ if (has_in7_internal(config))
+ sio_data->internal |= BIT(1);
/* in8 (Vbat) is always internal */
- sio_data->internal = (1 << 2);
+ sio_data->internal |= BIT(2);
- /* Read GPIO config and VID value from LDN 7 (GPIO) */
- if (sio_data->type == it87) {
- /* The IT8705F doesn't have VID pins at all */
+ /* in9 (AVCC3), always internal if supported */
+ if (has_avcc3(config))
+ sio_data->internal |= BIT(3); /* in9 is AVCC */
+ else
+ sio_data->skip_in |= BIT(9);
+
+ if (!has_four_pwm(config))
+ sio_data->skip_pwm |= BIT(3) | BIT(4) | BIT(5);
+ else if (!has_five_pwm(config))
+ sio_data->skip_pwm |= BIT(4) | BIT(5);
+ else if (!has_six_pwm(config))
+ sio_data->skip_pwm |= BIT(5);
+
+ if (!has_vid(config))
sio_data->skip_vid = 1;
+ /* Read GPIO config and VID value from LDN 7 (GPIO) */
+ if (sio_data->type == it87) {
/* The IT8705F has a different LD number for GPIO */
- superio_select(5);
- sio_data->beep_pin = superio_inb(IT87_SIO_BEEP_PIN_REG) & 0x3f;
+ superio_select(sioaddr, 5);
+ sio_data->beep_pin = superio_inb(sioaddr,
+ IT87_SIO_BEEP_PIN_REG) & 0x3f;
} else if (sio_data->type == it8783) {
- int reg25, reg27, reg2A, reg2C, regEF;
-
- sio_data->skip_vid = 1; /* No VID */
+ int reg25, reg27, reg2a, reg2c, regef;
- superio_select(GPIO);
+ superio_select(sioaddr, GPIO);
- reg25 = superio_inb(IT87_SIO_GPIO1_REG);
- reg27 = superio_inb(IT87_SIO_GPIO3_REG);
- reg2A = superio_inb(IT87_SIO_PINX1_REG);
- reg2C = superio_inb(IT87_SIO_PINX2_REG);
- regEF = superio_inb(IT87_SIO_SPI_REG);
+ reg25 = superio_inb(sioaddr, IT87_SIO_GPIO1_REG);
+ reg27 = superio_inb(sioaddr, IT87_SIO_GPIO3_REG);
+ reg2a = superio_inb(sioaddr, IT87_SIO_PINX1_REG);
+ reg2c = superio_inb(sioaddr, IT87_SIO_PINX2_REG);
+ regef = superio_inb(sioaddr, IT87_SIO_SPI_REG);
/* Check if fan3 is there or not */
- if ((reg27 & (1 << 0)) || !(reg2C & (1 << 2)))
- sio_data->skip_fan |= (1 << 2);
- if ((reg25 & (1 << 4))
- || (!(reg2A & (1 << 1)) && (regEF & (1 << 0))))
- sio_data->skip_pwm |= (1 << 2);
+ if ((reg27 & BIT(0)) || !(reg2c & BIT(2)))
+ sio_data->skip_fan |= BIT(2);
+ if ((reg25 & BIT(4)) ||
+ (!(reg2a & BIT(1)) && (regef & BIT(0))))
+ sio_data->skip_pwm |= BIT(2);
/* Check if fan2 is there or not */
- if (reg27 & (1 << 7))
- sio_data->skip_fan |= (1 << 1);
- if (reg27 & (1 << 3))
- sio_data->skip_pwm |= (1 << 1);
+ if (reg27 & BIT(7))
+ sio_data->skip_fan |= BIT(1);
+ if (reg27 & BIT(3))
+ sio_data->skip_pwm |= BIT(1);
/* VIN5 */
- if ((reg27 & (1 << 0)) || (reg2C & (1 << 2)))
- ; /* No VIN5 */
+ if ((reg27 & BIT(0)) || (reg2c & BIT(2)))
+ sio_data->skip_in |= BIT(5); /* No VIN5 */
/* VIN6 */
- if ((reg27 & (1 << 1)) || (reg2C & (1 << 2)))
- ; /* No VIN6 */
+ if (reg27 & BIT(1))
+ sio_data->skip_in |= BIT(6); /* No VIN6 */
- /* VIN7 */
- if ((reg27 & (1 << 2)) || (reg2C & (1 << 2))) {
+ /*
+ * VIN7
+ * Does not depend on bit 2 of Reg2C, contrary to datasheet.
+ */
+ if (reg27 & BIT(2)) {
/*
- * If the external VIN7 pin is disabled, route it to the
- * internal VCCH5V if that is not already done.
+ * The data sheet is a bit unclear regarding the
+ * internal voltage divider for VCCH5V. It says
+ * "This bit enables and switches VIN7 (pin 91) to the
+ * internal voltage divider for VCCH5V".
+ * This is different to other chips, where the internal
+ * voltage divider would connect VIN7 to an internal
+ * voltage source. Maybe that is the case here as well.
+ *
+ * Since we don't know for sure, re-route it if that is
+ * not the case, and ask the user to report if the
+ * resulting voltage is sane.
*/
- if (!(reg2C & (1 << 1))) {
- reg2C |= (1 << 1);
- superio_outb(IT87_SIO_PINX2_REG, reg2C);
- pr_notice("Routing internal VCCH to in7\n");
+ if (!(reg2c & BIT(1))) {
+ reg2c |= BIT(1);
+ superio_outb(sioaddr, IT87_SIO_PINX2_REG,
+ reg2c);
+ pr_notice("Routing internal VCCH5V to in7.\n");
}
+ pr_notice("in7 routed to internal voltage divider, with external pin disabled.\n");
+ pr_notice("Please report if it displays a reasonable voltage.\n");
}
- if (reg2C & (1 << 0))
- sio_data->internal |= (1 << 0);
- if (reg2C & (1 << 1))
- sio_data->internal |= (1 << 1);
+ if (reg2c & BIT(0))
+ sio_data->internal |= BIT(0);
+ if (reg2c & BIT(1))
+ sio_data->internal |= BIT(1);
- sio_data->beep_pin = superio_inb(IT87_SIO_BEEP_PIN_REG) & 0x3f;
-
- } else {
- int reg;
+ sio_data->beep_pin = superio_inb(sioaddr,
+ IT87_SIO_BEEP_PIN_REG) & 0x3f;
+ } else if (sio_data->type == it8603 || sio_data->type == it8607) {
+ int reg27, reg29;
- superio_select(GPIO);
+ superio_select(sioaddr, GPIO);
- reg = superio_inb(IT87_SIO_GPIO3_REG);
- if (sio_data->type == it8721 || sio_data->type == it8728) {
- /*
- * The IT8721F/IT8758E don't have VID pins at all,
- * not sure about the IT8728F.
- */
- sio_data->skip_vid = 1;
- } else {
- /* We need at least 4 VID pins */
- if (reg & 0x0f) {
- pr_info("VID is disabled (pins used for GPIO)\n");
- sio_data->skip_vid = 1;
- }
- }
+ reg27 = superio_inb(sioaddr, IT87_SIO_GPIO3_REG);
/* Check if fan3 is there or not */
- if (reg & (1 << 6))
- sio_data->skip_pwm |= (1 << 2);
- if (reg & (1 << 7))
- sio_data->skip_fan |= (1 << 2);
+ if (reg27 & BIT(6))
+ sio_data->skip_pwm |= BIT(2);
+ if (reg27 & BIT(7))
+ sio_data->skip_fan |= BIT(2);
/* Check if fan2 is there or not */
- reg = superio_inb(IT87_SIO_GPIO5_REG);
- if (reg & (1 << 1))
- sio_data->skip_pwm |= (1 << 1);
- if (reg & (1 << 2))
- sio_data->skip_fan |= (1 << 1);
+ reg29 = superio_inb(sioaddr, IT87_SIO_GPIO5_REG);
+ if (reg29 & BIT(1))
+ sio_data->skip_pwm |= BIT(1);
+ if (reg29 & BIT(2))
+ sio_data->skip_fan |= BIT(1);
+
+ switch (sio_data->type) {
+ case it8603:
+ sio_data->skip_in |= BIT(5); /* No VIN5 */
+ sio_data->skip_in |= BIT(6); /* No VIN6 */
+ break;
+ case it8607:
+ sio_data->skip_pwm |= BIT(0);/* No fan1 */
+ sio_data->skip_fan |= BIT(0);
+ default:
+ break;
+ }
- if ((sio_data->type == it8718 || sio_data->type == it8720)
- && !(sio_data->skip_vid))
- sio_data->vid_value = superio_inb(IT87_SIO_VID_REG);
+ sio_data->beep_pin = superio_inb(sioaddr,
+ IT87_SIO_BEEP_PIN_REG) & 0x3f;
+ } else if (sio_data->type == it8613) {
+ int reg27, reg29, reg2a;
+
+ superio_select(sioaddr, GPIO);
+
+ /* Check for pwm3, fan3, pwm5, fan5 */
+ reg27 = superio_inb(sioaddr, IT87_SIO_GPIO3_REG);
+ if (reg27 & BIT(1))
+ sio_data->skip_fan |= BIT(4);
+ if (reg27 & BIT(3))
+ sio_data->skip_pwm |= BIT(4);
+ if (reg27 & BIT(6))
+ sio_data->skip_pwm |= BIT(2);
+ if (reg27 & BIT(7))
+ sio_data->skip_fan |= BIT(2);
+
+ /* Check for pwm2, fan2 */
+ reg29 = superio_inb(sioaddr, IT87_SIO_GPIO5_REG);
+ if (reg29 & BIT(1))
+ sio_data->skip_pwm |= BIT(1);
+ if (reg29 & BIT(2))
+ sio_data->skip_fan |= BIT(1);
+
+ /* Check for pwm4, fan4 */
+ reg2a = superio_inb(sioaddr, IT87_SIO_PINX1_REG);
+ if (!(reg2a & BIT(0)) || (reg29 & BIT(7))) {
+ sio_data->skip_fan |= BIT(3);
+ sio_data->skip_pwm |= BIT(3);
+ }
- reg = superio_inb(IT87_SIO_PINX2_REG);
- /*
- * The IT8720F has no VIN7 pin, so VCCH should always be
- * routed internally to VIN7 with an internal divider.
- * Curiously, there still is a configuration bit to control
- * this, which means it can be set incorrectly. And even
- * more curiously, many boards out there are improperly
- * configured, even though the IT8720F datasheet claims
- * that the internal routing of VCCH to VIN7 is the default
- * setting. So we force the internal routing in this case.
- */
- if (sio_data->type == it8720 && !(reg & (1 << 1))) {
- reg |= (1 << 1);
- superio_outb(IT87_SIO_PINX2_REG, reg);
- pr_notice("Routing internal VCCH to in7\n");
- }
- if (reg & (1 << 0))
- sio_data->internal |= (1 << 0);
- if ((reg & (1 << 1)) || sio_data->type == it8721 ||
- sio_data->type == it8728)
- sio_data->internal |= (1 << 1);
+ sio_data->skip_pwm |= BIT(0); /* No pwm1 */
+ sio_data->skip_fan |= BIT(0); /* No fan1 */
+ sio_data->skip_in |= BIT(3); /* No VIN3 */
+ sio_data->skip_in |= BIT(6); /* No VIN6 */
- sio_data->beep_pin = superio_inb(IT87_SIO_BEEP_PIN_REG) & 0x3f;
- }
- if (sio_data->beep_pin)
- pr_info("Beeping is supported\n");
+ sio_data->beep_pin = superio_inb(sioaddr,
+ IT87_SIO_BEEP_PIN_REG) & 0x3f;
+ } else if (sio_data->type == it8620 || sio_data->type == it8628 ||
+ sio_data->type == it8686) {
+ int reg;
- /* Disable specific features based on DMI strings */
- board_vendor = dmi_get_system_info(DMI_BOARD_VENDOR);
- board_name = dmi_get_system_info(DMI_BOARD_NAME);
- if (board_vendor && board_name) {
- if (strcmp(board_vendor, "nVIDIA") == 0
- && strcmp(board_name, "FN68PT") == 0) {
- /*
- * On the Shuttle SN68PT, FAN_CTL2 is apparently not
- * connected to a fan, but to something else. One user
- * has reported instant system power-off when changing
- * the PWM2 duty cycle, so we disable it.
- * I use the board name string as the trigger in case
- * the same board is ever used in other systems.
- */
- pr_info("Disabling pwm2 due to hardware constraints\n");
- sio_data->skip_pwm = (1 << 1);
+ superio_select(sioaddr, GPIO);
+
+ /* Check for pwm5 */
+ reg = superio_inb(sioaddr, IT87_SIO_GPIO1_REG);
+ if (reg & BIT(6))
+ sio_data->skip_pwm |= BIT(4);
+
+ /* Check for fan4, fan5 */
+ reg = superio_inb(sioaddr, IT87_SIO_GPIO2_REG);
+ if (!(reg & BIT(5)))
+ sio_data->skip_fan |= BIT(3);
+ if (!(reg & BIT(4)))
+ sio_data->skip_fan |= BIT(4);
+
+ /* Check for pwm3, fan3 */
+ reg = superio_inb(sioaddr, IT87_SIO_GPIO3_REG);
+ if (reg & BIT(6))
+ sio_data->skip_pwm |= BIT(2);
+ if (reg & BIT(7))
+ sio_data->skip_fan |= BIT(2);
+
+ /* Check for pwm4 */
+ reg = superio_inb(sioaddr, IT87_SIO_GPIO4_REG);
+ if (reg & BIT(2))
+ sio_data->skip_pwm |= BIT(3);
+
+ /* Check for pwm2, fan2 */
+ reg = superio_inb(sioaddr, IT87_SIO_GPIO5_REG);
+ if (reg & BIT(1))
+ sio_data->skip_pwm |= BIT(1);
+ if (reg & BIT(2))
+ sio_data->skip_fan |= BIT(1);
+ /* Check for pwm6, fan6 */
+ if (!(reg & BIT(7))) {
+ sio_data->skip_pwm |= BIT(5);
+ sio_data->skip_fan |= BIT(5);
}
- }
-
-exit:
- superio_exit();
- return err;
-}
-
-static void it87_remove_files(struct device *dev)
-{
- struct it87_data *data = platform_get_drvdata(pdev);
- struct it87_sio_data *sio_data = dev->platform_data;
- const struct attribute_group *fan_group = it87_get_fan_group(data);
- int i;
-
- sysfs_remove_group(&dev->kobj, &it87_group);
- if (sio_data->beep_pin)
- sysfs_remove_group(&dev->kobj, &it87_group_beep);
- for (i = 0; i < 5; i++) {
- if (!(data->has_fan & (1 << i)))
- continue;
- sysfs_remove_group(&dev->kobj, &fan_group[i]);
- if (sio_data->beep_pin)
- sysfs_remove_file(&dev->kobj,
- it87_attributes_fan_beep[i]);
- }
- for (i = 0; i < 3; i++) {
- if (sio_data->skip_pwm & (1 << 0))
- continue;
- sysfs_remove_group(&dev->kobj, &it87_group_pwm[i]);
- if (has_old_autopwm(data))
- sysfs_remove_group(&dev->kobj,
- &it87_group_autopwm[i]);
- }
- if (!sio_data->skip_vid)
- sysfs_remove_group(&dev->kobj, &it87_group_vid);
- sysfs_remove_group(&dev->kobj, &it87_group_label);
-}
-static int __devinit it87_probe(struct platform_device *pdev)
-{
- struct it87_data *data;
- struct resource *res;
- struct device *dev = &pdev->dev;
- struct it87_sio_data *sio_data = dev->platform_data;
- const struct attribute_group *fan_group;
- int err = 0, i;
- int enable_pwm_interface;
- int fan_beep_need_rw;
- static const char * const names[] = {
- "it87",
- "it8712",
- "it8716",
- "it8718",
- "it8720",
- "it8721",
- "it8728",
- "it8783",
- };
+ /* Check if AVCC is on VIN3 */
+ reg = superio_inb(sioaddr, IT87_SIO_PINX2_REG);
+ if (reg & BIT(0)) {
+ /* For it8686, the bit just enables AVCC3 */
+ if (sio_data->type != it8686)
+ sio_data->internal |= BIT(0);
+ } else {
+ sio_data->internal &= ~BIT(3);
+ sio_data->skip_in |= BIT(9);
+ }
- res = platform_get_resource(pdev, IORESOURCE_IO, 0);
- if (!request_region(res->start, IT87_EC_EXTENT, DRVNAME)) {
- dev_err(dev, "Failed to request region 0x%lx-0x%lx\n",
- (unsigned long)res->start,
- (unsigned long)(res->start + IT87_EC_EXTENT - 1));
- err = -EBUSY;
- goto ERROR0;
- }
+ sio_data->beep_pin = superio_inb(sioaddr,
+ IT87_SIO_BEEP_PIN_REG) & 0x3f;
+ } else if (sio_data->type == it8622) {
+ int reg;
- data = kzalloc(sizeof(struct it87_data), GFP_KERNEL);
- if (!data) {
- err = -ENOMEM;
- goto ERROR1;
- }
+ superio_select(sioaddr, GPIO);
+
+ /* Check for pwm4, fan4 */
+ reg = superio_inb(sioaddr, IT87_SIO_GPIO1_REG);
+ if (reg & BIT(6))
+ sio_data->skip_fan |= BIT(3);
+ if (reg & BIT(5))
+ sio_data->skip_pwm |= BIT(3);
+
+ /* Check for pwm3, fan3, pwm5, fan5 */
+ reg = superio_inb(sioaddr, IT87_SIO_GPIO3_REG);
+ if (reg & BIT(6))
+ sio_data->skip_pwm |= BIT(2);
+ if (reg & BIT(7))
+ sio_data->skip_fan |= BIT(2);
+ if (reg & BIT(3))
+ sio_data->skip_pwm |= BIT(4);
+ if (reg & BIT(1))
+ sio_data->skip_fan |= BIT(4);
+
+ /* Check for pwm2, fan2 */
+ reg = superio_inb(sioaddr, IT87_SIO_GPIO5_REG);
+ if (reg & BIT(1))
+ sio_data->skip_pwm |= BIT(1);
+ if (reg & BIT(2))
+ sio_data->skip_fan |= BIT(1);
+
+ /* Check for AVCC */
+ reg = superio_inb(sioaddr, IT87_SIO_PINX2_REG);
+ if (!(reg & BIT(0)))
+ sio_data->skip_in |= BIT(9);
+
+ sio_data->beep_pin = superio_inb(sioaddr,
+ IT87_SIO_BEEP_PIN_REG) & 0x3f;
+ } else if (sio_data->type == it8732) {
+ int reg;
- data->addr = res->start;
- data->type = sio_data->type;
- data->revision = sio_data->revision;
- data->name = names[sio_data->type];
+ superio_select(sioaddr, GPIO);
+
+ /* Check for pwm2, fan2 */
+ reg = superio_inb(sioaddr, IT87_SIO_GPIO5_REG);
+ if (reg & BIT(1))
+ sio_data->skip_pwm |= BIT(1);
+ if (reg & BIT(2))
+ sio_data->skip_fan |= BIT(1);
+
+ /* Check for pwm3, fan3, fan4 */
+ reg = superio_inb(sioaddr, IT87_SIO_GPIO3_REG);
+ if (reg & BIT(6))
+ sio_data->skip_pwm |= BIT(2);
+ if (reg & BIT(7))
+ sio_data->skip_fan |= BIT(2);
+ if (reg & BIT(5))
+ sio_data->skip_fan |= BIT(3);
+
+ /* Check if AVCC is on VIN3 */
+ reg = superio_inb(sioaddr, IT87_SIO_PINX2_REG);
+ if (reg & BIT(0))
+ sio_data->internal |= BIT(0);
+
+ sio_data->beep_pin = superio_inb(sioaddr,
+ IT87_SIO_BEEP_PIN_REG) & 0x3f;
+ } else if (sio_data->type == it8655) {
+ int reg;
- /* Now, we do the remaining detection. */
- if ((it87_read_value(data, IT87_REG_CONFIG) & 0x80)
- || it87_read_value(data, IT87_REG_CHIPID) != 0x90) {
- err = -ENODEV;
- goto ERROR2;
- }
+ superio_select(sioaddr, GPIO);
+
+ /* Check for pwm2 */
+ reg = superio_inb(sioaddr, IT87_SIO_GPIO5_REG);
+ if (reg & BIT(1))
+ sio_data->skip_pwm |= BIT(1);
+
+ /* Check for fan2 */
+ reg = superio_inb(sioaddr, IT87_SIO_PINX4_REG);
+ if (reg & BIT(4))
+ sio_data->skip_fan |= BIT(1);
+
+ /* Check for pwm3, fan3 */
+ reg = superio_inb(sioaddr, IT87_SIO_GPIO3_REG);
+ if (reg & BIT(6))
+ sio_data->skip_pwm |= BIT(2);
+ if (reg & BIT(7))
+ sio_data->skip_fan |= BIT(2);
+
+ sio_data->beep_pin = superio_inb(sioaddr,
+ IT87_SIO_BEEP_PIN_REG) & 0x3f;
+ } else if (sio_data->type == it8665 || sio_data->type == it8625) {
+ int reg27, reg29, reg2d, regd3;
+
+ superio_select(sioaddr, GPIO);
+
+ reg27 = superio_inb(sioaddr, IT87_SIO_GPIO3_REG);
+ reg29 = superio_inb(sioaddr, IT87_SIO_GPIO5_REG);
+ reg2d = superio_inb(sioaddr, IT87_SIO_PINX4_REG);
+ regd3 = superio_inb(sioaddr, IT87_SIO_GPIO9_REG);
+
+ /* Check for pwm2, fan2 */
+ if (reg29 & BIT(1))
+ sio_data->skip_pwm |= BIT(1);
+ if (reg2d & BIT(4))
+ sio_data->skip_fan |= BIT(1);
+
+ /* Check for pwm3, fan3 */
+ if (reg27 & BIT(6))
+ sio_data->skip_pwm |= BIT(2);
+ if (reg27 & BIT(7))
+ sio_data->skip_fan |= BIT(2);
+
+ /* Check for pwm4, fan4, pwm5, fan5 */
+ if (sio_data->type == it8625) {
+ int reg25 = superio_inb(sioaddr, IT87_SIO_GPIO1_REG);
+
+ if (reg25 & BIT(6))
+ sio_data->skip_fan |= BIT(3);
+ if (reg25 & BIT(5))
+ sio_data->skip_pwm |= BIT(3);
+ if (reg27 & BIT(3))
+ sio_data->skip_pwm |= BIT(4);
+ if (reg27 & BIT(1))
+ sio_data->skip_fan |= BIT(4);
+ } else {
+ int reg26 = superio_inb(sioaddr, IT87_SIO_GPIO2_REG);
+
+ if (regd3 & BIT(2))
+ sio_data->skip_pwm |= BIT(3);
+ if (regd3 & BIT(3))
+ sio_data->skip_fan |= BIT(3);
+ if (reg26 & BIT(5))
+ sio_data->skip_pwm |= BIT(4);
+ if (!(reg26 & BIT(4)))
+ sio_data->skip_fan |= BIT(4);
+ }
- platform_set_drvdata(pdev, data);
+ /* Check for pwm6, fan6 */
+ if (regd3 & BIT(0))
+ sio_data->skip_pwm |= BIT(5);
+ if (regd3 & BIT(1))
+ sio_data->skip_fan |= BIT(5);
- mutex_init(&data->update_lock);
+ sio_data->beep_pin = superio_inb(sioaddr,
+ IT87_SIO_BEEP_PIN_REG) & 0x3f;
+ } else {
+ int reg;
+ bool uart6;
+
+ superio_select(sioaddr, GPIO);
+
+ /* Check for fan4, fan5 */
+ if (has_five_fans(config)) {
+ reg = superio_inb(sioaddr, IT87_SIO_GPIO2_REG);
+ switch (sio_data->type) {
+ case it8718:
+ if (reg & BIT(5))
+ sio_data->skip_fan |= BIT(3);
+ if (reg & BIT(4))
+ sio_data->skip_fan |= BIT(4);
+ break;
+ case it8720:
+ case it8721:
+ case it8728:
+ if (!(reg & BIT(5)))
+ sio_data->skip_fan |= BIT(3);
+ if (!(reg & BIT(4)))
+ sio_data->skip_fan |= BIT(4);
+ break;
+ default:
+ break;
+ }
+ }
- /* Check PWM configuration */
- enable_pwm_interface = it87_check_pwm(dev);
+ reg = superio_inb(sioaddr, IT87_SIO_GPIO3_REG);
+ if (!sio_data->skip_vid) {
+ /* We need at least 4 VID pins */
+ if (reg & 0x0f) {
+ pr_info("VID is disabled (pins used for GPIO)\n");
+ sio_data->skip_vid = 1;
+ }
+ }
- /* Starting with IT8721F, we handle scaling of internal voltages */
- if (has_12mv_adc(data)) {
- if (sio_data->internal & (1 << 0))
- data->in_scaled |= (1 << 3); /* in3 is AVCC */
- if (sio_data->internal & (1 << 1))
- data->in_scaled |= (1 << 7); /* in7 is VSB */
- if (sio_data->internal & (1 << 2))
- data->in_scaled |= (1 << 8); /* in8 is Vbat */
- } else if (sio_data->type == it8783) {
- if (sio_data->internal & (1 << 0))
- data->in_scaled |= (1 << 3); /* in3 is VCC5V */
- if (sio_data->internal & (1 << 1))
- data->in_scaled |= (1 << 7); /* in7 is VCCH5V */
- }
+ /* Check if fan3 is there or not */
+ if (reg & BIT(6))
+ sio_data->skip_pwm |= BIT(2);
+ if (reg & BIT(7))
+ sio_data->skip_fan |= BIT(2);
- /* Initialize the IT87 chip */
- it87_init_device(pdev);
+ /* Check if fan2 is there or not */
+ reg = superio_inb(sioaddr, IT87_SIO_GPIO5_REG);
+ if (reg & BIT(1))
+ sio_data->skip_pwm |= BIT(1);
+ if (reg & BIT(2))
+ sio_data->skip_fan |= BIT(1);
- /* Register sysfs hooks */
- err = sysfs_create_group(&dev->kobj, &it87_group);
- if (err)
- goto ERROR2;
+ if ((sio_data->type == it8718 || sio_data->type == it8720) &&
+ !(sio_data->skip_vid))
+ sio_data->vid_value = superio_inb(sioaddr,
+ IT87_SIO_VID_REG);
- if (sio_data->beep_pin) {
- err = sysfs_create_group(&dev->kobj, &it87_group_beep);
- if (err)
- goto ERROR4;
- }
+ reg = superio_inb(sioaddr, IT87_SIO_PINX2_REG);
- /* Do not create fan files for disabled fans */
- fan_group = it87_get_fan_group(data);
- fan_beep_need_rw = 1;
- for (i = 0; i < 5; i++) {
- if (!(data->has_fan & (1 << i)))
- continue;
- err = sysfs_create_group(&dev->kobj, &fan_group[i]);
- if (err)
- goto ERROR4;
-
- if (sio_data->beep_pin) {
- err = sysfs_create_file(&dev->kobj,
- it87_attributes_fan_beep[i]);
- if (err)
- goto ERROR4;
- if (!fan_beep_need_rw)
- continue;
+ uart6 = sio_data->type == it8782 && (reg & BIT(2));
- /*
- * As we have a single beep enable bit for all fans,
- * only the first enabled fan has a writable attribute
- * for it.
- */
- if (sysfs_chmod_file(&dev->kobj,
- it87_attributes_fan_beep[i],
- S_IRUGO | S_IWUSR))
- dev_dbg(dev, "chmod +w fan%d_beep failed\n",
- i + 1);
- fan_beep_need_rw = 0;
+ /*
+ * The IT8720F has no VIN7 pin, so VCCH should always be
+ * routed internally to VIN7 with an internal divider.
+ * Curiously, there still is a configuration bit to control
+ * this, which means it can be set incorrectly. And even
+ * more curiously, many boards out there are improperly
+ * configured, even though the IT8720F datasheet claims
+ * that the internal routing of VCCH to VIN7 is the default
+ * setting. So we force the internal routing in this case.
+ *
+ * On IT8782F, VIN7 is multiplexed with one of the UART6 pins.
+ * If UART6 is enabled, re-route VIN7 to the internal divider
+ * if that is not already the case.
+ */
+ if ((sio_data->type == it8720 || uart6) && !(reg & BIT(1))) {
+ reg |= BIT(1);
+ superio_outb(sioaddr, IT87_SIO_PINX2_REG, reg);
+ pr_notice("Routing internal VCCH to in7\n");
}
- }
+ if (reg & BIT(0))
+ sio_data->internal |= BIT(0);
+ if (reg & BIT(1))
+ sio_data->internal |= BIT(1);
- if (enable_pwm_interface) {
- for (i = 0; i < 3; i++) {
- if (sio_data->skip_pwm & (1 << i))
- continue;
- err = sysfs_create_group(&dev->kobj,
- &it87_group_pwm[i]);
- if (err)
- goto ERROR4;
-
- if (!has_old_autopwm(data))
- continue;
- err = sysfs_create_group(&dev->kobj,
- &it87_group_autopwm[i]);
- if (err)
- goto ERROR4;
+ /*
+ * On IT8782F, UART6 pins overlap with VIN5, VIN6, and VIN7.
+ * While VIN7 can be routed to the internal voltage divider,
+ * VIN5 and VIN6 are not available if UART6 is enabled.
+ *
+ * Also, temp3 is not available if UART6 is enabled and TEMPIN3
+ * is the temperature source. Since we can not read the
+ * temperature source here, skip_temp is preliminary.
+ */
+ if (uart6) {
+ sio_data->skip_in |= BIT(5) | BIT(6);
+ sio_data->skip_temp |= BIT(2);
}
- }
- if (!sio_data->skip_vid) {
- data->vrm = vid_which_vrm();
- /* VID reading from Super-I/O config space if available */
- data->vid = sio_data->vid_value;
- err = sysfs_create_group(&dev->kobj, &it87_group_vid);
- if (err)
- goto ERROR4;
+ sio_data->beep_pin = superio_inb(sioaddr,
+ IT87_SIO_BEEP_PIN_REG) & 0x3f;
}
+ if (sio_data->beep_pin)
+ pr_info("Beeping is supported\n");
- /* Export labels for internal sensors */
- for (i = 0; i < 3; i++) {
- if (!(sio_data->internal & (1 << i)))
- continue;
- err = sysfs_create_file(&dev->kobj,
- it87_attributes_label[i]);
- if (err)
- goto ERROR4;
- }
-
- data->hwmon_dev = hwmon_device_register(dev);
- if (IS_ERR(data->hwmon_dev)) {
- err = PTR_ERR(data->hwmon_dev);
- goto ERROR4;
- }
-
- return 0;
-
-ERROR4:
- it87_remove_files(dev);
-ERROR2:
- platform_set_drvdata(pdev, NULL);
- kfree(data);
-ERROR1:
- release_region(res->start, IT87_EC_EXTENT);
-ERROR0:
+exit:
+ superio_exit(sioaddr);
return err;
}
-static int __devexit it87_remove(struct platform_device *pdev)
+static void it87_init_regs(struct platform_device *pdev)
{
struct it87_data *data = platform_get_drvdata(pdev);
- hwmon_device_unregister(data->hwmon_dev);
- it87_remove_files(&pdev->dev);
-
- release_region(data->addr, IT87_EC_EXTENT);
- platform_set_drvdata(pdev, NULL);
- kfree(data);
-
- return 0;
-}
-
-/*
- * Must be called with data->update_lock held, except during initialization.
- * We ignore the IT87 BUSY flag at this moment - it could lead to deadlocks,
- * would slow down the IT87 access and should not be necessary.
- */
-static int it87_read_value(struct it87_data *data, u8 reg)
-{
- outb_p(reg, data->addr + IT87_ADDR_REG_OFFSET);
- return inb_p(data->addr + IT87_DATA_REG_OFFSET);
-}
-
-/*
- * Must be called with data->update_lock held, except during initialization.
- * We ignore the IT87 BUSY flag at this moment - it could lead to deadlocks,
- * would slow down the IT87 access and should not be necessary.
- */
-static void it87_write_value(struct it87_data *data, u8 reg, u8 value)
-{
- outb_p(reg, data->addr + IT87_ADDR_REG_OFFSET);
- outb_p(value, data->addr + IT87_DATA_REG_OFFSET);
-}
-
-/* Return 1 if and only if the PWM interface is safe to use */
-static int __devinit it87_check_pwm(struct device *dev)
-{
- struct it87_data *data = dev_get_drvdata(dev);
- /*
- * Some BIOSes fail to correctly configure the IT87 fans. All fans off
- * and polarity set to active low is sign that this is the case so we
- * disable pwm control to protect the user.
- */
- int tmp = it87_read_value(data, IT87_REG_FAN_CTL);
- if ((tmp & 0x87) == 0) {
- if (fix_pwm_polarity) {
- /*
- * The user asks us to attempt a chip reconfiguration.
- * This means switching to active high polarity and
- * inverting all fan speed values.
- */
- int i;
- u8 pwm[3];
-
- for (i = 0; i < 3; i++)
- pwm[i] = it87_read_value(data,
- IT87_REG_PWM(i));
-
- /*
- * If any fan is in automatic pwm mode, the polarity
- * might be correct, as suspicious as it seems, so we
- * better don't change anything (but still disable the
- * PWM interface).
- */
- if (!((pwm[0] | pwm[1] | pwm[2]) & 0x80)) {
- dev_info(dev, "Reconfiguring PWM to "
- "active high polarity\n");
- it87_write_value(data, IT87_REG_FAN_CTL,
- tmp | 0x87);
- for (i = 0; i < 3; i++)
- it87_write_value(data,
- IT87_REG_PWM(i),
- 0x7f & ~pwm[i]);
- return 1;
- }
-
- dev_info(dev, "PWM configuration is "
- "too broken to be fixed\n");
- }
-
- dev_info(dev, "Detected broken BIOS "
- "defaults, disabling PWM interface\n");
- return 0;
- } else if (fix_pwm_polarity) {
- dev_info(dev, "PWM configuration looks "
- "sane, won't touch\n");
+ /* Initialize chip specific register pointers */
+ switch (data->type) {
+ case it8628:
+ case it8686:
+ data->REG_FAN = IT87_REG_FAN;
+ data->REG_FANX = IT87_REG_FANX;
+ data->REG_FAN_MIN = IT87_REG_FAN_MIN;
+ data->REG_FANX_MIN = IT87_REG_FANX_MIN;
+ data->REG_PWM = IT87_REG_PWM;
+ data->REG_TEMP_OFFSET = IT87_REG_TEMP_OFFSET_8686;
+ data->REG_TEMP_LOW = IT87_REG_TEMP_LOW_8686;
+ data->REG_TEMP_HIGH = IT87_REG_TEMP_HIGH_8686;
+ break;
+ case it8625:
+ case it8655:
+ case it8665:
+ data->REG_FAN = IT87_REG_FAN_8665;
+ data->REG_FANX = IT87_REG_FANX_8665;
+ data->REG_FAN_MIN = IT87_REG_FAN_MIN_8665;
+ data->REG_FANX_MIN = IT87_REG_FANX_MIN_8665;
+ data->REG_PWM = IT87_REG_PWM_8665;
+ data->REG_TEMP_OFFSET = IT87_REG_TEMP_OFFSET;
+ data->REG_TEMP_LOW = IT87_REG_TEMP_LOW;
+ data->REG_TEMP_HIGH = IT87_REG_TEMP_HIGH;
+ break;
+ case it8622:
+ data->REG_FAN = IT87_REG_FAN;
+ data->REG_FANX = IT87_REG_FANX;
+ data->REG_FAN_MIN = IT87_REG_FAN_MIN;
+ data->REG_FANX_MIN = IT87_REG_FANX_MIN;
+ data->REG_PWM = IT87_REG_PWM_8665;
+ data->REG_TEMP_OFFSET = IT87_REG_TEMP_OFFSET;
+ data->REG_TEMP_LOW = IT87_REG_TEMP_LOW;
+ data->REG_TEMP_HIGH = IT87_REG_TEMP_HIGH;
+ break;
+ case it8613:
+ data->REG_FAN = IT87_REG_FAN;
+ data->REG_FANX = IT87_REG_FANX;
+ data->REG_FAN_MIN = IT87_REG_FAN_MIN;
+ data->REG_FANX_MIN = IT87_REG_FANX_MIN;
+ data->REG_PWM = IT87_REG_PWM_8665;
+ data->REG_TEMP_OFFSET = IT87_REG_TEMP_OFFSET;
+ data->REG_TEMP_LOW = IT87_REG_TEMP_LOW;
+ data->REG_TEMP_HIGH = IT87_REG_TEMP_HIGH;
+ break;
+ default:
+ data->REG_FAN = IT87_REG_FAN;
+ data->REG_FANX = IT87_REG_FANX;
+ data->REG_FAN_MIN = IT87_REG_FAN_MIN;
+ data->REG_FANX_MIN = IT87_REG_FANX_MIN;
+ data->REG_PWM = IT87_REG_PWM;
+ data->REG_TEMP_OFFSET = IT87_REG_TEMP_OFFSET;
+ data->REG_TEMP_LOW = IT87_REG_TEMP_LOW;
+ data->REG_TEMP_HIGH = IT87_REG_TEMP_HIGH;
+ break;
}
-
- return 1;
}
/* Called when we have found a new IT87. */
-static void __devinit it87_init_device(struct platform_device *pdev)
+static void it87_init_device(struct platform_device *pdev)
{
- struct it87_sio_data *sio_data = pdev->dev.platform_data;
+ struct it87_sio_data *sio_data = dev_get_platdata(&pdev->dev);
struct it87_data *data = platform_get_drvdata(pdev);
int tmp, i;
u8 mask;
* these have separate registers for the temperature mapping and the
* manual duty cycle.
*/
- for (i = 0; i < 3; i++) {
+ for (i = 0; i < NUM_AUTO_PWM; i++) {
data->pwm_temp_map[i] = i;
data->pwm_duty[i] = 0x7f; /* Full speed */
data->auto_pwm[i][3] = 0x7f; /* Full speed, hard-coded */
* means -1 degree C, which surprisingly doesn't trigger an alarm,
* but is still confusing, so change to 127 degrees C.
*/
- for (i = 0; i < 8; i++) {
+ for (i = 0; i < NUM_VIN_LIMIT; i++) {
tmp = it87_read_value(data, IT87_REG_VIN_MIN(i));
if (tmp == 0xff)
it87_write_value(data, IT87_REG_VIN_MIN(i), 0);
}
- for (i = 0; i < 3; i++) {
- tmp = it87_read_value(data, IT87_REG_TEMP_HIGH(i));
+ for (i = 0; i < data->num_temp_limit; i++) {
+ tmp = it87_read_value(data, data->REG_TEMP_HIGH[i]);
if (tmp == 0xff)
- it87_write_value(data, IT87_REG_TEMP_HIGH(i), 127);
+ it87_write_value(data, data->REG_TEMP_HIGH[i], 127);
}
/*
}
data->has_fan = (data->fan_main_ctrl >> 4) & 0x07;
+ tmp = it87_read_value(data, IT87_REG_FAN_16BIT);
+
/* Set tachometers to 16-bit mode if needed */
- if (has_16bit_fans(data)) {
- tmp = it87_read_value(data, IT87_REG_FAN_16BIT);
+ if (has_fan16_config(data)) {
if (~tmp & 0x07 & data->has_fan) {
dev_dbg(&pdev->dev,
"Setting fan1-3 to 16-bit mode\n");
it87_write_value(data, IT87_REG_FAN_16BIT,
tmp | 0x07);
}
- /* IT8705F only supports three fans. */
- if (data->type != it87) {
- if (tmp & (1 << 4))
- data->has_fan |= (1 << 3); /* fan4 enabled */
- if (tmp & (1 << 5))
- data->has_fan |= (1 << 4); /* fan5 enabled */
+ }
+
+ /* Check for additional fans */
+ if (has_four_fans(data) && (tmp & BIT(4)))
+ data->has_fan |= BIT(3); /* fan4 enabled */
+ if (has_five_fans(data) && (tmp & BIT(5)))
+ data->has_fan |= BIT(4); /* fan5 enabled */
+ if (has_six_fans(data)) {
+ switch (data->type) {
+ case it8620:
+ case it8628:
+ case it8686:
+ if (tmp & BIT(2))
+ data->has_fan |= BIT(5); /* fan6 enabled */
+ break;
+ case it8625:
+ case it8665:
+ tmp = it87_read_value(data, IT87_REG_FAN_DIV);
+ if (tmp & BIT(3))
+ data->has_fan |= BIT(5); /* fan6 enabled */
+ break;
+ default:
+ break;
}
}
/* Fan input pins may be used for alternative functions */
data->has_fan &= ~sio_data->skip_fan;
+ /* Check if pwm6 is enabled */
+ if (has_six_pwm(data)) {
+ switch (data->type) {
+ case it8620:
+ case it8686:
+ tmp = it87_read_value(data, IT87_REG_FAN_DIV);
+ if (!(tmp & BIT(3)))
+ sio_data->skip_pwm |= BIT(5);
+ break;
+ default:
+ break;
+ }
+ }
+
/* Start monitoring */
it87_write_value(data, IT87_REG_CONFIG,
- (it87_read_value(data, IT87_REG_CONFIG) & 0x36)
+ (it87_read_value(data, IT87_REG_CONFIG) & 0x3e)
| (update_vbat ? 0x41 : 0x01));
}
-static void it87_update_pwm_ctrl(struct it87_data *data, int nr)
+/* Return 1 if and only if the PWM interface is safe to use */
+static int it87_check_pwm(struct device *dev)
{
- data->pwm_ctrl[nr] = it87_read_value(data, IT87_REG_PWM(nr));
- if (has_newer_autopwm(data)) {
- data->pwm_temp_map[nr] = data->pwm_ctrl[nr] & 0x03;
- data->pwm_duty[nr] = it87_read_value(data,
- IT87_REG_PWM_DUTY(nr));
- } else {
- if (data->pwm_ctrl[nr] & 0x80) /* Automatic mode */
- data->pwm_temp_map[nr] = data->pwm_ctrl[nr] & 0x03;
- else /* Manual mode */
- data->pwm_duty[nr] = data->pwm_ctrl[nr] & 0x7f;
- }
+ struct it87_data *data = dev_get_drvdata(dev);
+ /*
+ * Some BIOSes fail to correctly configure the IT87 fans. All fans off
+ * and polarity set to active low is sign that this is the case so we
+ * disable pwm control to protect the user.
+ */
+ int tmp = it87_read_value(data, IT87_REG_FAN_CTL);
- if (has_old_autopwm(data)) {
- int i;
+ if ((tmp & 0x87) == 0) {
+ if (fix_pwm_polarity) {
+ /*
+ * The user asks us to attempt a chip reconfiguration.
+ * This means switching to active high polarity and
+ * inverting all fan speed values.
+ */
+ int i;
+ u8 pwm[3];
- for (i = 0; i < 5 ; i++)
- data->auto_temp[nr][i] = it87_read_value(data,
- IT87_REG_AUTO_TEMP(nr, i));
- for (i = 0; i < 3 ; i++)
- data->auto_pwm[nr][i] = it87_read_value(data,
- IT87_REG_AUTO_PWM(nr, i));
+ for (i = 0; i < ARRAY_SIZE(pwm); i++)
+ pwm[i] = it87_read_value(data,
+ data->REG_PWM[i]);
+
+ /*
+ * If any fan is in automatic pwm mode, the polarity
+ * might be correct, as suspicious as it seems, so we
+ * better don't change anything (but still disable the
+ * PWM interface).
+ */
+ if (!((pwm[0] | pwm[1] | pwm[2]) & 0x80)) {
+ dev_info(dev,
+ "Reconfiguring PWM to active high polarity\n");
+ it87_write_value(data, IT87_REG_FAN_CTL,
+ tmp | 0x87);
+ for (i = 0; i < 3; i++)
+ it87_write_value(data,
+ data->REG_PWM[i],
+ 0x7f & ~pwm[i]);
+ return 1;
+ }
+
+ dev_info(dev,
+ "PWM configuration is too broken to be fixed\n");
+ }
+
+ dev_info(dev,
+ "Detected broken BIOS defaults, disabling PWM interface\n");
+ return 0;
+ } else if (fix_pwm_polarity) {
+ dev_info(dev,
+ "PWM configuration looks sane, won't touch\n");
}
+
+ return 1;
}
-static struct it87_data *it87_update_device(struct device *dev)
+static int it87_probe(struct platform_device *pdev)
{
- struct it87_data *data = dev_get_drvdata(dev);
- int i;
+ struct it87_data *data;
+ struct resource *res;
+ struct device *dev = &pdev->dev;
+ struct it87_sio_data *sio_data = dev_get_platdata(dev);
+ int enable_pwm_interface;
+ struct device *hwmon_dev;
- mutex_lock(&data->update_lock);
+ res = platform_get_resource(pdev, IORESOURCE_IO, 0);
+ if (!devm_request_region(&pdev->dev, res->start, IT87_EC_EXTENT,
+ DRVNAME)) {
+ dev_err(dev, "Failed to request region 0x%lx-0x%lx\n",
+ (unsigned long)res->start,
+ (unsigned long)(res->start + IT87_EC_EXTENT - 1));
+ return -EBUSY;
+ }
- if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
- || !data->valid) {
- if (update_vbat) {
- /*
- * Cleared after each update, so reenable. Value
- * returned by this read will be previous value
- */
- it87_write_value(data, IT87_REG_CONFIG,
- it87_read_value(data, IT87_REG_CONFIG) | 0x40);
- }
- for (i = 0; i <= 7; i++) {
- data->in[i] =
- it87_read_value(data, IT87_REG_VIN(i));
- data->in_min[i] =
- it87_read_value(data, IT87_REG_VIN_MIN(i));
- data->in_max[i] =
- it87_read_value(data, IT87_REG_VIN_MAX(i));
- }
- /* in8 (battery) has no limit registers */
- data->in[8] = it87_read_value(data, IT87_REG_VIN(8));
+ data = devm_kzalloc(&pdev->dev, sizeof(struct it87_data), GFP_KERNEL);
+ if (!data)
+ return -ENOMEM;
- for (i = 0; i < 5; i++) {
- /* Skip disabled fans */
- if (!(data->has_fan & (1 << i)))
- continue;
+ data->addr = res->start;
+ data->type = sio_data->type;
+ data->features = it87_devices[sio_data->type].features;
+ data->num_temp_limit = it87_devices[sio_data->type].num_temp_limit;
+ data->num_temp_offset = it87_devices[sio_data->type].num_temp_offset;
+ data->peci_mask = it87_devices[sio_data->type].peci_mask;
+ data->old_peci_mask = it87_devices[sio_data->type].old_peci_mask;
+ data->bank = 0xff;
- data->fan_min[i] =
- it87_read_value(data, IT87_REG_FAN_MIN[i]);
- data->fan[i] = it87_read_value(data,
- IT87_REG_FAN[i]);
- /* Add high byte if in 16-bit mode */
- if (has_16bit_fans(data)) {
- data->fan[i] |= it87_read_value(data,
- IT87_REG_FANX[i]) << 8;
- data->fan_min[i] |= it87_read_value(data,
- IT87_REG_FANX_MIN[i]) << 8;
- }
+ /*
+ * IT8705F Datasheet 0.4.1, 3h == Version G.
+ * IT8712F Datasheet 0.9.1, section 8.3.5 indicates 8h == Version J.
+ * These are the first revisions with 16-bit tachometer support.
+ */
+ switch (data->type) {
+ case it87:
+ if (sio_data->revision >= 0x03) {
+ data->features &= ~FEAT_OLD_AUTOPWM;
+ data->features |= FEAT_FAN16_CONFIG | FEAT_16BIT_FANS;
}
- for (i = 0; i < 3; i++) {
- data->temp[i] =
- it87_read_value(data, IT87_REG_TEMP(i));
- data->temp_high[i] =
- it87_read_value(data, IT87_REG_TEMP_HIGH(i));
- data->temp_low[i] =
- it87_read_value(data, IT87_REG_TEMP_LOW(i));
+ break;
+ case it8712:
+ if (sio_data->revision >= 0x08) {
+ data->features &= ~FEAT_OLD_AUTOPWM;
+ data->features |= FEAT_FAN16_CONFIG | FEAT_16BIT_FANS |
+ FEAT_FIVE_FANS;
}
+ break;
+ default:
+ break;
+ }
- /* Newer chips don't have clock dividers */
- if ((data->has_fan & 0x07) && !has_16bit_fans(data)) {
- i = it87_read_value(data, IT87_REG_FAN_DIV);
- data->fan_div[0] = i & 0x07;
- data->fan_div[1] = (i >> 3) & 0x07;
- data->fan_div[2] = (i & 0x40) ? 3 : 1;
- }
+ /* Now, we do the remaining detection. */
+ if ((it87_read_value(data, IT87_REG_CONFIG) & 0x80) ||
+ it87_read_value(data, IT87_REG_CHIPID) != 0x90)
+ return -ENODEV;
- data->alarms =
- it87_read_value(data, IT87_REG_ALARM1) |
- (it87_read_value(data, IT87_REG_ALARM2) << 8) |
- (it87_read_value(data, IT87_REG_ALARM3) << 16);
- data->beeps = it87_read_value(data, IT87_REG_BEEP_ENABLE);
+ platform_set_drvdata(pdev, data);
- data->fan_main_ctrl = it87_read_value(data,
- IT87_REG_FAN_MAIN_CTRL);
- data->fan_ctl = it87_read_value(data, IT87_REG_FAN_CTL);
- for (i = 0; i < 3; i++)
- it87_update_pwm_ctrl(data, i);
+ mutex_init(&data->update_lock);
- data->sensor = it87_read_value(data, IT87_REG_TEMP_ENABLE);
- /*
- * The IT8705F does not have VID capability.
- * The IT8718F and later don't use IT87_REG_VID for the
- * same purpose.
- */
- if (data->type == it8712 || data->type == it8716) {
- data->vid = it87_read_value(data, IT87_REG_VID);
- /*
- * The older IT8712F revisions had only 5 VID pins,
- * but we assume it is always safe to read 6 bits.
- */
- data->vid &= 0x3f;
- }
- data->last_updated = jiffies;
- data->valid = 1;
+ /* Initialize register pointers */
+ it87_init_regs(pdev);
+
+ /* Check PWM configuration */
+ enable_pwm_interface = it87_check_pwm(dev);
+
+ /* Starting with IT8721F, we handle scaling of internal voltages */
+ if (has_scaling(data)) {
+ if (sio_data->internal & BIT(0))
+ data->in_scaled |= BIT(3); /* in3 is AVCC */
+ if (sio_data->internal & BIT(1))
+ data->in_scaled |= BIT(7); /* in7 is VSB */
+ if (sio_data->internal & BIT(2))
+ data->in_scaled |= BIT(8); /* in8 is Vbat */
+ if (sio_data->internal & BIT(3))
+ data->in_scaled |= BIT(9); /* in9 is AVCC */
+ } else if (sio_data->type == it8781 || sio_data->type == it8782 ||
+ sio_data->type == it8783) {
+ if (sio_data->internal & BIT(0))
+ data->in_scaled |= BIT(3); /* in3 is VCC5V */
+ if (sio_data->internal & BIT(1))
+ data->in_scaled |= BIT(7); /* in7 is VCCH5V */
}
- mutex_unlock(&data->update_lock);
+ data->has_temp = 0x07;
+ if (sio_data->skip_temp & BIT(2)) {
+ if (sio_data->type == it8782 &&
+ !(it87_read_value(data, IT87_REG_TEMP_EXTRA) & 0x80))
+ data->has_temp &= ~BIT(2);
+ }
- return data;
+ data->in_internal = sio_data->internal;
+ data->has_in = 0x3ff & ~sio_data->skip_in;
+
+ if (has_six_temp(data)) {
+ u8 reg = it87_read_value(data, IT87_REG_TEMP456_ENABLE);
+
+ /* Check for additional temperature sensors */
+ if ((reg & 0x03) >= 0x02)
+ data->has_temp |= BIT(3);
+ if (((reg >> 2) & 0x03) >= 0x02)
+ data->has_temp |= BIT(4);
+ if (((reg >> 4) & 0x03) >= 0x02)
+ data->has_temp |= BIT(5);
+
+ /* Check for additional voltage sensors */
+ if ((reg & 0x03) == 0x01)
+ data->has_in |= BIT(10);
+ if (((reg >> 2) & 0x03) == 0x01)
+ data->has_in |= BIT(11);
+ if (((reg >> 4) & 0x03) == 0x01)
+ data->has_in |= BIT(12);
+ }
+
+ data->has_beep = !!sio_data->beep_pin;
+
+ /* Initialize the IT87 chip */
+ it87_init_device(pdev);
+
+ if (!sio_data->skip_vid) {
+ data->has_vid = true;
+ data->vrm = vid_which_vrm();
+ /* VID reading from Super-I/O config space if available */
+ data->vid = sio_data->vid_value;
+ }
+
+ /* Prepare for sysfs hooks */
+ data->groups[0] = &it87_group;
+ data->groups[1] = &it87_group_in;
+ data->groups[2] = &it87_group_temp;
+ data->groups[3] = &it87_group_fan;
+
+ if (enable_pwm_interface) {
+ data->has_pwm = BIT(ARRAY_SIZE(IT87_REG_PWM)) - 1;
+ data->has_pwm &= ~sio_data->skip_pwm;
+
+ data->groups[4] = &it87_group_pwm;
+ if (has_old_autopwm(data) || has_newer_autopwm(data))
+ data->groups[5] = &it87_group_auto_pwm;
+ }
+
+ hwmon_dev = devm_hwmon_device_register_with_groups(dev,
+ it87_devices[sio_data->type].name,
+ data, data->groups);
+ return PTR_ERR_OR_ZERO(hwmon_dev);
}
-static int __init it87_device_add(unsigned short address,
+static struct platform_driver it87_driver = {
+ .driver = {
+ .name = DRVNAME,
+ },
+ .probe = it87_probe,
+};
+
+static int __init it87_device_add(int index, unsigned short address,
const struct it87_sio_data *sio_data)
{
+ struct platform_device *pdev;
struct resource res = {
.start = address + IT87_EC_OFFSET,
.end = address + IT87_EC_OFFSET + IT87_EC_EXTENT - 1,
err = acpi_check_resource_conflict(&res);
if (err)
- goto exit;
+ return err;
pdev = platform_device_alloc(DRVNAME, address);
- if (!pdev) {
- err = -ENOMEM;
- pr_err("Device allocation failed\n");
- goto exit;
- }
+ if (!pdev)
+ return -ENOMEM;
err = platform_device_add_resources(pdev, &res, 1);
if (err) {
goto exit_device_put;
}
+ it87_pdev[index] = pdev;
return 0;
exit_device_put:
platform_device_put(pdev);
-exit:
return err;
}
+struct it87_dmi_data {
+ bool sio4e_broken; /* SIO accesses @ 0x4e are broken */
+ char *sio_mutex; /* SIO ACPI mutex */
+ u8 skip_pwm; /* pwm channels to skip for this board */
+};
+
+/*
+ * On Gigabyte AB350 and AX370 boards, accesses to the Super-IO chip
+ * at address 0x4e/0x4f can result in a system hang.
+ * Accesses to address 0x2e/0x2f need to be mutex protected.
+ */
+static struct it87_dmi_data gigabyte_ab350_gaming = {
+ .sio4e_broken = true,
+ .sio_mutex = "\\_SB.PCI0.SBRG.SIO1.MUT0",
+};
+
+/*
+ * On the Shuttle SN68PT, FAN_CTL2 is apparently not
+ * connected to a fan, but to something else. One user
+ * has reported instant system power-off when changing
+ * the PWM2 duty cycle, so we disable it.
+ * I use the board name string as the trigger in case
+ * the same board is ever used in other systems.
+ */
+static struct it87_dmi_data nvidia_fn68pt = {
+ .skip_pwm = BIT(1),
+};
+
+static const struct dmi_system_id it87_dmi_table[] __initconst = {
+ {
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Gigabyte Technology Co., Ltd."),
+ DMI_MATCH(DMI_BOARD_NAME, "AB350-Gaming-CF"),
+ },
+ .driver_data = &gigabyte_ab350_gaming,
+ },
+ {
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Gigabyte Technology Co., Ltd."),
+ DMI_MATCH(DMI_BOARD_NAME, "AB350-Gaming 3-CF"),
+ },
+ .driver_data = &gigabyte_ab350_gaming,
+ },
+ {
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Gigabyte Technology Co., Ltd."),
+ DMI_MATCH(DMI_BOARD_NAME, "AB350M-D3H-CF"),
+ },
+ .driver_data = &gigabyte_ab350_gaming,
+ },
+ {
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Gigabyte Technology Co., Ltd."),
+ DMI_MATCH(DMI_BOARD_NAME, "AX370-Gaming K7"),
+ },
+ .driver_data = &gigabyte_ab350_gaming,
+ },
+ {
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Gigabyte Technology Co., Ltd."),
+ DMI_MATCH(DMI_BOARD_NAME, "AX370-Gaming 5"),
+ },
+ .driver_data = &gigabyte_ab350_gaming,
+ },
+ {
+ .matches = {
+ DMI_MATCH(DMI_BOARD_VENDOR, "nVIDIA"),
+ DMI_MATCH(DMI_BOARD_NAME, "FN68PT"),
+ },
+ .driver_data = &nvidia_fn68pt,
+ },
+ { }
+};
+
static int __init sm_it87_init(void)
{
- int err;
- unsigned short isa_address = 0;
+ const struct dmi_system_id *dmi = dmi_first_match(it87_dmi_table);
+ struct it87_dmi_data *dmi_data = NULL;
+ int sioaddr[2] = { REG_2E, REG_4E };
struct it87_sio_data sio_data;
+ unsigned short isa_address;
+ bool found = false;
+ int i, err;
+
+ if (dmi)
+ dmi_data = dmi->driver_data;
+
+ if (dmi_data) {
+ it87_sio4e_broken = dmi_data->sio4e_broken;
+#ifdef __IT87_USE_ACPI_MUTEX
+ if (dmi_data->sio_mutex) {
+ static acpi_status status;
+
+ status = acpi_get_handle(NULL, dmi_data->sio_mutex,
+ &it87_acpi_sio_handle);
+ if (ACPI_SUCCESS(status)) {
+ it87_acpi_sio_mutex = dmi_data->sio_mutex;
+ pr_debug("Found ACPI SIO mutex %s\n",
+ dmi_data->sio_mutex);
+ } else {
+ pr_warn("ACPI SIO mutex %s not found\n",
+ dmi_data->sio_mutex);
+ }
+ }
+#endif /* __IT87_USE_ACPI_MUTEX */
+ }
- memset(&sio_data, 0, sizeof(struct it87_sio_data));
- err = it87_find(&isa_address, &sio_data);
- if (err)
- return err;
err = platform_driver_register(&it87_driver);
if (err)
return err;
- err = it87_device_add(isa_address, &sio_data);
- if (err) {
- platform_driver_unregister(&it87_driver);
- return err;
+ for (i = 0; i < ARRAY_SIZE(sioaddr); i++) {
+ /*
+ * Accessing the second Super-IO chip can result in board
+ * hangs. Disable until we figure out what is going on.
+ */
+ if (blacklist && it87_sio4e_broken && sioaddr[i] == 0x4e)
+ continue;
+ memset(&sio_data, 0, sizeof(struct it87_sio_data));
+ isa_address = 0;
+ err = it87_find(sioaddr[i], &isa_address, &sio_data);
+ if (err || isa_address == 0)
+ continue;
+
+ if (dmi_data)
+ sio_data.skip_pwm |= dmi_data->skip_pwm;
+ err = it87_device_add(i, isa_address, &sio_data);
+ if (err)
+ goto exit_dev_unregister;
+ found = true;
}
+ if (!found) {
+ err = -ENODEV;
+ goto exit_unregister;
+ }
return 0;
+
+exit_dev_unregister:
+ /* NULL check handled by platform_device_unregister */
+ platform_device_unregister(it87_pdev[0]);
+exit_unregister:
+ platform_driver_unregister(&it87_driver);
+ return err;
}
static void __exit sm_it87_exit(void)
{
- platform_device_unregister(pdev);
+ /* NULL check handled by platform_device_unregister */
+ platform_device_unregister(it87_pdev[1]);
+ platform_device_unregister(it87_pdev[0]);
platform_driver_unregister(&it87_driver);
}
-
-MODULE_AUTHOR("Chris Gauthron, "
- "Jean Delvare <khali@linux-fr.org>");
+MODULE_AUTHOR("Chris Gauthron, Jean Delvare <jdelvare@suse.de>");
MODULE_DESCRIPTION("IT8705F/IT871xF/IT872xF hardware monitoring driver");
module_param(update_vbat, bool, 0);
MODULE_PARM_DESC(update_vbat, "Update vbat if set else return powerup value");
projects / groeck-it87 / blobdiff