* similar parts. The other devices are supported by different drivers.
*
* Supports: IT8603E Super I/O chip w/LPC interface
+ * IT8606E 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
#include <linux/io.h>
#include "compat.h"
-#define DRVNAME "it87"
+#ifndef IT87_DRIVER_VERSION
+#define IT87_DRIVER_VERSION "<not provided>"
+#endif
-/* Necessary API not (yet) exported in upstream kernel */
-/* #define __IT87_USE_ACPI_MUTEX */
+#define DRVNAME "it87"
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 };
+ it8792, it8603, it8606, it8607, it8613, it8620, it8622, it8625,
+ it8628, it8655, it8665, it8686 };
static unsigned short force_id;
-module_param(force_id, ushort, 0);
+module_param(force_id, ushort, 0000);
MODULE_PARM_DESC(force_id, "Override the detected device ID");
-static unsigned short blacklist = 1;
-module_param(blacklist, ushort, 0);
-MODULE_PARM_DESC(blacklist,
- "Enable/disable blacklist (1=enable, 0=disable, default 1)");
+static bool ignore_resource_conflict;
+module_param(ignore_resource_conflict, bool, 0000);
+MODULE_PARM_DESC(ignore_resource_conflict, "Ignore ACPI resource conflict");
+
+static bool mmio;
+module_param(mmio, bool, 0000);
+MODULE_PARM_DESC(mmio, "Use MMIO if available");
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 */
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 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 ioreg and ioreg + 1 for exclusive access.
*/
if (!request_muxed_region(ioreg, 2, DRVNAME))
- goto error;
+ return -EBUSY;
__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(int ioreg)
+static inline void superio_exit(int ioreg, bool doexit)
{
- if (!it87_sio4e_broken || ioreg != 0x4e) {
+ if (doexit) {
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
}
/* Logical device 4 registers */
#define IT8786E_DEVID 0x8786
#define IT8790E_DEVID 0x8790
#define IT8603E_DEVID 0x8603
+#define IT8606E_DEVID 0x8606
#define IT8607E_DEVID 0x8607
#define IT8613E_DEVID 0x8613
#define IT8620E_DEVID 0x8620
#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) */
+/* Logical device 4 (Environmental Monitor) registers */
+#define IT87_ACT_REG 0x30
+#define IT87_BASE_REG 0x60
+#define IT87_SPECIAL_CFG_REG 0xf3 /* special configuration register */
+
+/* Global configuration registers (IT8712F and later) */
+#define IT87_EC_HWM_MIO_REG 0x24 /* MMIO configuration register */
#define IT87_SIO_GPIO1_REG 0x25
#define IT87_SIO_GPIO2_REG 0x26
#define IT87_SIO_GPIO3_REG 0x27
#define IT87_SIO_PINX1_REG 0x2a /* Pin selection */
#define IT87_SIO_PINX2_REG 0x2c /* Pin selection */
#define IT87_SIO_PINX4_REG 0x2d /* Pin selection */
+
+/* Logical device 7 (GPIO) registers (IT8712F and later) */
#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 */
* Super-I/O configuration space.
*/
#define IT87_REG_VID 0x0a
+
+/* Interface Selection register on other chips */
+#define IT87_REG_IFSEL 0x0a
+
/*
* The IT8705F and IT8712F earlier than revision 0x08 use register 0x0b
* for fan divisors. Later IT8712F revisions must use 16-bit tachometer
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_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_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_TEMP_OFFSET_8686[] = {
+ 0x56, 0x57, 0x59, 0x90, 0x91, 0x92 };
#define IT87_REG_FAN_MAIN_CTRL 0x13
#define IT87_REG_FAN_CTL 0x14
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 };
+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
struct it87_devices {
const char *name;
- const char * const suffix;
+ const char * const model;
u32 features;
u8 num_temp_limit;
+ u8 num_temp_offset;
+ u8 num_temp_map; /* Number of temperature sources for pwm */
u8 peci_mask;
u8 old_peci_mask;
+ u8 smbus_bitmap; /* SMBus enable bits in extra config register */
+ u8 ec_special_config;
};
#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_OFFSET BIT(4)
#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_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 */
+#define FEAT_MMIO BIT(26) /* Chip supports MMIO */
+#define FEAT_FOUR_TEMP BIT(27)
static const struct it87_devices it87_devices[] = {
[it87] = {
.name = "it87",
- .suffix = "F",
+ .model = "IT87F",
.features = FEAT_OLD_AUTOPWM | FEAT_FANCTL_ONOFF,
/* may need to overwrite */
.num_temp_limit = 3,
+ .num_temp_offset = 0,
+ .num_temp_map = 3,
},
[it8712] = {
.name = "it8712",
- .suffix = "F",
+ .model = "IT8712F",
.features = FEAT_OLD_AUTOPWM | FEAT_VID | FEAT_FANCTL_ONOFF,
/* may need to overwrite */
.num_temp_limit = 3,
+ .num_temp_offset = 0,
+ .num_temp_map = 3,
},
[it8716] = {
.name = "it8716",
- .suffix = "F",
- .features = FEAT_16BIT_FANS | FEAT_TEMP_OFFSET | FEAT_VID
+ .model = "IT8716F",
+ .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,
+ .num_temp_map = 3,
},
[it8718] = {
.name = "it8718",
- .suffix = "F",
- .features = FEAT_16BIT_FANS | FEAT_TEMP_OFFSET | FEAT_VID
+ .model = "IT8718F",
+ .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,
+ .num_temp_map = 3,
.old_peci_mask = 0x4,
},
[it8720] = {
.name = "it8720",
- .suffix = "F",
- .features = FEAT_16BIT_FANS | FEAT_TEMP_OFFSET | FEAT_VID
+ .model = "IT8720F",
+ .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,
+ .num_temp_map = 3,
.old_peci_mask = 0x4,
},
[it8721] = {
.name = "it8721",
- .suffix = "F",
+ .model = "IT8721F",
.features = FEAT_NEWER_AUTOPWM | FEAT_12MV_ADC | FEAT_16BIT_FANS
- | FEAT_TEMP_OFFSET | FEAT_TEMP_OLD_PECI | FEAT_TEMP_PECI
+ | 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,
+ .num_temp_map = 3,
.peci_mask = 0x05,
.old_peci_mask = 0x02, /* Actually reports PCH */
},
[it8728] = {
.name = "it8728",
- .suffix = "F",
+ .model = "IT8728F",
.features = FEAT_NEWER_AUTOPWM | FEAT_12MV_ADC | FEAT_16BIT_FANS
- | FEAT_TEMP_OFFSET | FEAT_TEMP_PECI | FEAT_FIVE_FANS
+ | FEAT_TEMP_PECI | FEAT_FIVE_FANS
| FEAT_IN7_INTERNAL | FEAT_PWM_FREQ2 | FEAT_SCALING
| FEAT_FANCTL_ONOFF,
- .num_temp_limit = 3,
+ .num_temp_limit = 6,
+ .num_temp_offset = 3,
+ .num_temp_map = 3,
.peci_mask = 0x07,
},
[it8732] = {
.name = "it8732",
- .suffix = "F",
+ .model = "IT8732F",
.features = FEAT_NEWER_AUTOPWM | FEAT_16BIT_FANS
- | FEAT_TEMP_OFFSET | FEAT_TEMP_OLD_PECI | FEAT_TEMP_PECI
+ | 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,
+ .num_temp_map = 3,
.peci_mask = 0x07,
.old_peci_mask = 0x02, /* Actually reports PCH */
},
[it8771] = {
.name = "it8771",
- .suffix = "E",
+ .model = "IT8771E",
.features = FEAT_NEWER_AUTOPWM | FEAT_12MV_ADC | FEAT_16BIT_FANS
- | FEAT_TEMP_OFFSET | FEAT_TEMP_PECI | FEAT_IN7_INTERNAL
+ | 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,
+ .num_temp_map = 3,
.peci_mask = 0x07,
},
[it8772] = {
.name = "it8772",
- .suffix = "E",
+ .model = "IT8772E",
.features = FEAT_NEWER_AUTOPWM | FEAT_12MV_ADC | FEAT_16BIT_FANS
- | FEAT_TEMP_OFFSET | FEAT_TEMP_PECI | FEAT_IN7_INTERNAL
+ | 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,
+ .num_temp_map = 3,
.peci_mask = 0x07,
},
[it8781] = {
.name = "it8781",
- .suffix = "F",
- .features = FEAT_16BIT_FANS | FEAT_TEMP_OFFSET
+ .model = "IT8781F",
+ .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,
+ .num_temp_map = 3,
.old_peci_mask = 0x4,
},
[it8782] = {
.name = "it8782",
- .suffix = "F",
- .features = FEAT_16BIT_FANS | FEAT_TEMP_OFFSET
+ .model = "IT8782F",
+ .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,
+ .num_temp_map = 3,
.old_peci_mask = 0x4,
},
[it8783] = {
.name = "it8783",
- .suffix = "E/F",
- .features = FEAT_16BIT_FANS | FEAT_TEMP_OFFSET
+ .model = "IT8783E/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,
+ .num_temp_map = 3,
.old_peci_mask = 0x4,
},
[it8786] = {
.name = "it8786",
- .suffix = "E",
+ .model = "IT8786E",
.features = FEAT_NEWER_AUTOPWM | FEAT_12MV_ADC | FEAT_16BIT_FANS
- | FEAT_TEMP_OFFSET | FEAT_TEMP_PECI | FEAT_IN7_INTERNAL
+ | FEAT_TEMP_PECI | FEAT_IN7_INTERNAL
| FEAT_PWM_FREQ2 | FEAT_FANCTL_ONOFF,
.num_temp_limit = 3,
+ .num_temp_offset = 3,
+ .num_temp_map = 3,
.peci_mask = 0x07,
},
[it8790] = {
.name = "it8790",
- .suffix = "E",
+ .model = "IT8790E",
.features = FEAT_NEWER_AUTOPWM | FEAT_10_9MV_ADC | FEAT_SCALING
- | FEAT_16BIT_FANS | FEAT_TEMP_OFFSET | FEAT_TEMP_PECI
+ | FEAT_16BIT_FANS | FEAT_TEMP_PECI
| FEAT_IN7_INTERNAL | FEAT_PWM_FREQ2 | FEAT_FANCTL_ONOFF,
.num_temp_limit = 3,
+ .num_temp_offset = 3,
+ .num_temp_map = 3,
.peci_mask = 0x07,
},
[it8792] = {
.name = "it8792",
- .suffix = "E",
+ .model = "IT8792E/IT8795E",
.features = FEAT_NEWER_AUTOPWM | FEAT_10_9MV_ADC | FEAT_SCALING
- | FEAT_16BIT_FANS | FEAT_TEMP_OFFSET | FEAT_TEMP_PECI
+ | FEAT_16BIT_FANS | FEAT_TEMP_PECI
| FEAT_IN7_INTERNAL | FEAT_PWM_FREQ2 | FEAT_FANCTL_ONOFF,
.num_temp_limit = 3,
+ .num_temp_offset = 3,
+ .num_temp_map = 3,
.peci_mask = 0x07,
},
[it8603] = {
.name = "it8603",
- .suffix = "E",
+ .model = "IT8603E",
.features = FEAT_NEWER_AUTOPWM | FEAT_12MV_ADC | FEAT_16BIT_FANS
- | FEAT_TEMP_OFFSET | FEAT_TEMP_PECI | FEAT_IN7_INTERNAL
+ | FEAT_TEMP_PECI | FEAT_IN7_INTERNAL
| FEAT_AVCC3 | FEAT_PWM_FREQ2 | FEAT_SCALING,
.num_temp_limit = 3,
+ .num_temp_offset = 3,
+ .num_temp_map = 4,
+ .peci_mask = 0x07,
+ },
+ [it8606] = {
+ .name = "it8606",
+ .model = "IT8606E",
+ .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,
+ .num_temp_map = 3,
.peci_mask = 0x07,
},
[it8607] = {
.name = "it8607",
- .suffix = "E",
+ .model = "IT8607E",
.features = FEAT_NEWER_AUTOPWM | FEAT_12MV_ADC | FEAT_16BIT_FANS
- | FEAT_TEMP_OFFSET | FEAT_TEMP_PECI | FEAT_IN7_INTERNAL
+ | FEAT_TEMP_PECI | FEAT_IN7_INTERNAL | FEAT_NEW_TEMPMAP
| FEAT_AVCC3 | FEAT_PWM_FREQ2 | FEAT_SCALING
| FEAT_FANCTL_ONOFF,
.num_temp_limit = 3,
+ .num_temp_offset = 3,
+ .num_temp_map = 6,
.peci_mask = 0x07,
},
[it8613] = {
.name = "it8613",
- .suffix = "E",
+ .model = "IT8613E",
.features = FEAT_NEWER_AUTOPWM | FEAT_11MV_ADC | FEAT_16BIT_FANS
- | FEAT_TEMP_OFFSET | FEAT_TEMP_PECI | FEAT_FIVE_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,
+ .num_temp_map = 6,
.peci_mask = 0x07,
},
[it8620] = {
.name = "it8620",
- .suffix = "E",
+ .model = "IT8620E",
.features = FEAT_NEWER_AUTOPWM | FEAT_12MV_ADC | FEAT_16BIT_FANS
- | FEAT_TEMP_OFFSET | FEAT_TEMP_PECI | FEAT_SIX_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,
+ .num_temp_map = 3,
.peci_mask = 0x07,
},
[it8622] = {
.name = "it8622",
- .suffix = "E",
+ .model = "IT8622E",
.features = FEAT_NEWER_AUTOPWM | FEAT_12MV_ADC | FEAT_16BIT_FANS
- | FEAT_TEMP_OFFSET | FEAT_TEMP_PECI | FEAT_FIVE_FANS
+ | FEAT_TEMP_PECI | FEAT_FIVE_FANS | FEAT_FOUR_TEMP
| FEAT_FIVE_PWM | FEAT_IN7_INTERNAL | FEAT_PWM_FREQ2
| FEAT_AVCC3 | FEAT_VIN3_5V | FEAT_SCALING,
.num_temp_limit = 3,
- .peci_mask = 0x07,
+ .num_temp_offset = 3,
+ .num_temp_map = 4,
+ .peci_mask = 0x0f,
+ .smbus_bitmap = BIT(1) | BIT(2),
},
[it8625] = {
.name = "it8625",
- .suffix = "E",
+ .model = "IT8625E",
.features = FEAT_NEWER_AUTOPWM | FEAT_16BIT_FANS
- | FEAT_TEMP_OFFSET | FEAT_AVCC3 | FEAT_NEW_TEMPMAP
+ | 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,
+ .num_temp_map = 6,
+ .smbus_bitmap = BIT(1) | BIT(2),
},
[it8628] = {
.name = "it8628",
- .suffix = "E",
+ .model = "IT8628E",
.features = FEAT_NEWER_AUTOPWM | FEAT_12MV_ADC | FEAT_16BIT_FANS
- | FEAT_TEMP_OFFSET | FEAT_TEMP_PECI | FEAT_SIX_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 = 3,
+ .num_temp_limit = 6,
+ .num_temp_offset = 3,
+ .num_temp_map = 3,
.peci_mask = 0x07,
},
[it8655] = {
.name = "it8655",
- .suffix = "E",
+ .model = "IT8655E",
.features = FEAT_NEWER_AUTOPWM | FEAT_16BIT_FANS
- | FEAT_TEMP_OFFSET | FEAT_AVCC3 | FEAT_NEW_TEMPMAP
- | FEAT_10_9MV_ADC | FEAT_IN7_INTERNAL | FEAT_BANK_SEL,
+ | FEAT_AVCC3 | FEAT_NEW_TEMPMAP | FEAT_SCALING
+ | FEAT_10_9MV_ADC | FEAT_IN7_INTERNAL | FEAT_BANK_SEL
+ | FEAT_MMIO,
.num_temp_limit = 6,
+ .num_temp_offset = 6,
+ .num_temp_map = 6,
+ .smbus_bitmap = BIT(2),
},
[it8665] = {
.name = "it8665",
- .suffix = "E",
+ .model = "IT8665E",
.features = FEAT_NEWER_AUTOPWM | FEAT_16BIT_FANS
- | FEAT_TEMP_OFFSET | FEAT_AVCC3 | FEAT_NEW_TEMPMAP
+ | FEAT_AVCC3 | FEAT_NEW_TEMPMAP | FEAT_SCALING
| FEAT_10_9MV_ADC | FEAT_IN7_INTERNAL | FEAT_SIX_FANS
- | FEAT_SIX_PWM | FEAT_BANK_SEL,
+ | FEAT_SIX_PWM | FEAT_BANK_SEL | FEAT_MMIO,
.num_temp_limit = 6,
+ .num_temp_offset = 6,
+ .num_temp_map = 6,
+ .smbus_bitmap = BIT(2),
},
[it8686] = {
.name = "it8686",
- .suffix = "E",
+ .model = "IT8686E",
.features = FEAT_NEWER_AUTOPWM | FEAT_12MV_ADC | FEAT_16BIT_FANS
- | FEAT_TEMP_OFFSET | FEAT_SIX_FANS | FEAT_NEW_TEMPMAP
+ | 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,
+ .num_temp_map = 7,
+ .smbus_bitmap = BIT(1) | BIT(2),
},
};
#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_offset(data) ((data)->features & FEAT_TEMP_OFFSET)
#define has_temp_peci(data, nr) (((data)->features & FEAT_TEMP_PECI) && \
((data)->peci_mask & BIT(nr)))
#define has_temp_old_peci(data, nr) \
#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)
+#define has_mmio(data) ((data)->features & FEAT_MMIO)
+#define has_four_temp(data) ((data)->features & FEAT_FOUR_TEMP)
struct it87_sio_data {
enum chips type;
+ u8 sioaddr;
+ u8 doexit;
/* Values read from Super-I/O config space */
u8 revision;
u8 vid_value;
u8 skip_fan;
u8 skip_pwm;
u8 skip_temp;
+ u8 smbus_bitmap;
+ u8 ec_special_config;
};
/*
const struct attribute_group *groups[7];
enum chips type;
u32 features;
- u8 bank;
u8 peci_mask;
u8 old_peci_mask;
+ u8 smbus_bitmap; /* !=0 if SMBus needs to be disabled */
+ u8 ec_special_config; /* EC special config register restore value */
+ u8 sioaddr; /* SIO port address */
+ bool doexit; /* true if exit from sio config is ok */
+
+ void __iomem *mmio; /* Remapped MMIO address if available */
+ int (*read)(struct it87_data *, u16);
+ void (*write)(struct it87_data *, u16, u8);
+
const u8 *REG_FAN;
const u8 *REG_FANX;
const u8 *REG_FAN_MIN;
const u8 *REG_TEMP_HIGH;
unsigned short addr;
- const char *name;
struct mutex update_lock;
char valid; /* !=0 if following fields are valid */
unsigned long last_updated; /* In jiffies */
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 temp limit/offset registers */
+ u8 num_temp_limit; /* Number of temperature limit registers */
+ u8 num_temp_offset; /* Number of temperature offset registers */
+ u8 temp_src[4]; /* Up to 4 temperature source 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 */
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) */
+ u8 pwm_temp_map_mask; /* 0x03 for old, 0x07 for new temp map */
+ u8 pwm_temp_map_shift; /* 0 for old, 3 for new temp map */
+ u8 pwm_num_temp_map; /* from config data, 3..7 depending on chip */
/* Automatic fan speed control registers */
u8 auto_pwm[NUM_AUTO_PWM][4]; /* [nr][3] is hard-coded */
#define DIV_FROM_REG(val) BIT(val)
+static u8 temp_map_from_reg(const struct it87_data *data, u8 reg)
+{
+ u8 map;
+
+ map = (reg >> data->pwm_temp_map_shift) & data->pwm_temp_map_mask;
+ if (map >= data->pwm_num_temp_map) /* map is 0-based */
+ map = 0;
+
+ return map;
+}
+
+static u8 temp_map_to_reg(const struct it87_data *data, int nr, u8 map)
+{
+ u8 ctrl = data->pwm_ctrl[nr];
+
+ return (ctrl & ~(data->pwm_temp_map_mask << data->pwm_temp_map_shift)) |
+ (map << data->pwm_temp_map_shift);
+}
+
/*
* 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.
750000,
};
-static int _it87_read_value(struct it87_data *data, u8 reg)
+static int smbus_disable(struct it87_data *data)
+{
+ int err;
+
+ if (data->smbus_bitmap) {
+ err = superio_enter(data->sioaddr);
+ if (err)
+ return err;
+ superio_select(data->sioaddr, PME);
+ superio_outb(data->sioaddr, IT87_SPECIAL_CFG_REG,
+ data->ec_special_config & ~data->smbus_bitmap);
+ superio_exit(data->sioaddr, data->doexit);
+ }
+ return 0;
+}
+
+static int smbus_enable(struct it87_data *data)
+{
+ int err;
+
+ if (data->smbus_bitmap) {
+ err = superio_enter(data->sioaddr);
+ if (err)
+ return err;
+
+ superio_select(data->sioaddr, PME);
+ superio_outb(data->sioaddr, IT87_SPECIAL_CFG_REG,
+ data->ec_special_config);
+ superio_exit(data->sioaddr, data->doexit);
+ }
+ return 0;
+}
+
+static int _it87_io_read(struct it87_data *data, u16 reg)
{
outb_p(reg, data->addr + IT87_ADDR_REG_OFFSET);
return inb_p(data->addr + IT87_DATA_REG_OFFSET);
}
-static void _it87_write_value(struct it87_data *data, u8 reg, u8 value)
+static void _it87_io_write(struct it87_data *data, u16 reg, u8 value)
{
outb_p(reg, data->addr + IT87_ADDR_REG_OFFSET);
outb_p(value, data->addr + IT87_DATA_REG_OFFSET);
}
-static void it87_set_bank(struct it87_data *data, u8 bank)
+static u8 it87_io_set_bank(struct it87_data *data, u8 bank)
{
- if (has_bank_sel(data) && bank != data->bank) {
- u8 breg = _it87_read_value(data, IT87_REG_BANK);
+ u8 _bank = bank;
+
+ if (has_bank_sel(data)) {
+ u8 breg = _it87_io_read(data, IT87_REG_BANK);
- breg &= 0x1f;
- breg |= (bank << 5);
- data->bank = bank;
- _it87_write_value(data, IT87_REG_BANK, breg);
+ _bank = breg >> 5;
+ if (bank != _bank) {
+ breg &= 0x1f;
+ breg |= (bank << 5);
+ _it87_io_write(data, IT87_REG_BANK, breg);
+ }
}
+ return _bank;
}
/*
* Must be called with data->update_lock held, except during initialization.
+ * Must be called with SMBus accesses disabled.
* 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)
+static int it87_io_read(struct it87_data *data, u16 reg)
{
- it87_set_bank(data, reg >> 8);
- return _it87_read_value(data, reg & 0xff);
+ u8 bank;
+ int val;
+
+ bank = it87_io_set_bank(data, reg >> 8);
+ val = _it87_io_read(data, reg & 0xff);
+ it87_io_set_bank(data, bank);
+
+ return val;
}
/*
* Must be called with data->update_lock held, except during initialization.
+ * Must be called with SMBus accesses disabled
* 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)
+static void it87_io_write(struct it87_data *data, u16 reg, u8 value)
+{
+ u8 bank;
+
+ bank = it87_io_set_bank(data, reg >> 8);
+ _it87_io_write(data, reg & 0xff, value);
+ it87_io_set_bank(data, bank);
+}
+
+static int it87_mmio_read(struct it87_data *data, u16 reg)
+{
+ return readb(data->mmio + reg);
+}
+
+static void it87_mmio_write(struct it87_data *data, u16 reg, u8 value)
{
- it87_set_bank(data, reg >> 8);
- _it87_write_value(data, reg & 0xff, value);
+ writeb(value, data->mmio + reg);
}
static void it87_update_pwm_ctrl(struct it87_data *data, int nr)
{
- data->pwm_ctrl[nr] = it87_read_value(data, data->REG_PWM[nr]);
+ u8 ctrl;
+
+ ctrl = data->read(data, data->REG_PWM[nr]);
+ data->pwm_ctrl[nr] = ctrl;
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]);
+ data->pwm_temp_map[nr] = temp_map_from_reg(data, ctrl);
+ data->pwm_duty[nr] = data->read(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;
+ if (ctrl & 0x80) /* Automatic mode */
+ data->pwm_temp_map[nr] = temp_map_from_reg(data, ctrl);
else /* Manual mode */
- data->pwm_duty[nr] = data->pwm_ctrl[nr] & 0x7f;
+ data->pwm_duty[nr] = ctrl & 0x7f;
}
if (has_old_autopwm(data)) {
int i;
for (i = 0; i < 5 ; i++)
- data->auto_temp[nr][i] = it87_read_value(data,
+ data->auto_temp[nr][i] = data->read(data,
IT87_REG_AUTO_TEMP(nr, i));
for (i = 0; i < 3 ; i++)
- data->auto_pwm[nr][i] = it87_read_value(data,
+ data->auto_pwm[nr][i] = data->read(data,
IT87_REG_AUTO_PWM(nr, i));
} else if (has_newer_autopwm(data)) {
int i;
* 3: fan max temperature (base + 2)
*/
data->auto_temp[nr][0] =
- it87_read_value(data, IT87_REG_AUTO_TEMP(nr, 5));
+ data->read(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));
+ data->read(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->read(data, IT87_REG_AUTO_TEMP(nr, 3));
data->auto_pwm[nr][1] =
- it87_read_value(data, IT87_REG_AUTO_TEMP(nr, 4));
+ data->read(data, IT87_REG_AUTO_TEMP(nr, 4));
}
}
+static int it87_lock(struct it87_data *data)
+{
+ int err;
+
+ mutex_lock(&data->update_lock);
+ err = smbus_disable(data);
+ if (err)
+ mutex_unlock(&data->update_lock);
+ return err;
+}
+
+static void it87_unlock(struct it87_data *data)
+{
+ smbus_enable(data);
+ mutex_unlock(&data->update_lock);
+}
+
static struct it87_data *it87_update_device(struct device *dev)
{
struct it87_data *data = dev_get_drvdata(dev);
+ struct it87_data *ret = data;
+ int err;
int i;
mutex_lock(&data->update_lock);
if (time_after(jiffies, data->last_updated + HZ + HZ / 2) ||
!data->valid) {
+ err = smbus_disable(data);
+ if (err) {
+ ret = ERR_PTR(err);
+ goto unlock;
+ }
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);
+ data->write(data, IT87_REG_CONFIG,
+ data->read(data, IT87_REG_CONFIG) | 0x40);
}
for (i = 0; i < NUM_VIN; i++) {
if (!(data->has_in & BIT(i)))
continue;
- data->in[i][0] =
- it87_read_value(data, IT87_REG_VIN[i]);
+ data->in[i][0] = data->read(data, IT87_REG_VIN[i]);
/* VBAT and AVCC don't have limit registers */
if (i >= NUM_VIN_LIMIT)
continue;
- 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));
+ data->in[i][1] = data->read(data, IT87_REG_VIN_MIN(i));
+ data->in[i][2] = data->read(data, IT87_REG_VIN_MAX(i));
}
for (i = 0; i < NUM_FAN; i++) {
if (!(data->has_fan & BIT(i)))
continue;
- 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]);
+ data->fan[i][1] = data->read(data,
+ data->REG_FAN_MIN[i]);
+ data->fan[i][0] = data->read(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->fan[i][0] |= data->read(data,
data->REG_FANX[i]) << 8;
- data->fan[i][1] |= it87_read_value(data,
+ data->fan[i][1] |= data->read(data,
data->REG_FANX_MIN[i]) << 8;
}
}
if (!(data->has_temp & BIT(i)))
continue;
data->temp[i][0] =
- it87_read_value(data, IT87_REG_TEMP(i));
+ data->read(data, IT87_REG_TEMP(i));
if (i >= data->num_temp_limit)
continue;
- if (has_temp_offset(data))
+ if (i < data->num_temp_offset)
data->temp[i][3] =
- it87_read_value(data,
- data->REG_TEMP_OFFSET[i]);
+ data->read(data, data->REG_TEMP_OFFSET[i]);
data->temp[i][1] =
- it87_read_value(data, data->REG_TEMP_LOW[i]);
+ data->read(data, data->REG_TEMP_LOW[i]);
data->temp[i][2] =
- it87_read_value(data, data->REG_TEMP_HIGH[i]);
+ data->read(data, data->REG_TEMP_HIGH[i]);
}
/* 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);
+ i = data->read(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);
+ data->read(data, IT87_REG_ALARM1) |
+ (data->read(data, IT87_REG_ALARM2) << 8) |
+ (data->read(data, IT87_REG_ALARM3) << 16);
+ data->beeps = data->read(data, IT87_REG_BEEP_ENABLE);
+
+ data->fan_main_ctrl = data->read(data, IT87_REG_FAN_MAIN_CTRL);
+ data->fan_ctl = data->read(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);
+ data->sensor = data->read(data, IT87_REG_TEMP_ENABLE);
+ data->extra = data->read(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);
+ data->vid = data->read(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->last_updated = jiffies;
data->valid = 1;
+ smbus_enable(data);
}
-
+unlock:
mutex_unlock(&data->update_lock);
-
- return data;
+ return ret;
}
static ssize_t show_in(struct device *dev, struct device_attribute *attr,
int index = sattr->index;
int nr = sattr->nr;
+ if (IS_ERR(data))
+ return PTR_ERR(data);
+
return sprintf(buf, "%d\n", in_from_reg(data, nr, data->in[nr][index]));
}
int index = sattr->index;
int nr = sattr->nr;
unsigned long val;
+ int err;
if (kstrtoul(buf, 10, &val) < 0)
return -EINVAL;
- mutex_lock(&data->update_lock);
+ err = it87_lock(data);
+ if (err)
+ return err;
+
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);
+ data->write(data, index == 1 ? IT87_REG_VIN_MIN(nr)
+ : IT87_REG_VIN_MAX(nr),
+ data->in[nr][index]);
+ it87_unlock(data);
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);
+static SENSOR_DEVICE_ATTR_2(in0_input, 0444, show_in, NULL, 0, 0);
+static SENSOR_DEVICE_ATTR_2(in0_min, 0644, show_in, set_in, 0, 1);
+static SENSOR_DEVICE_ATTR_2(in0_max, 0644, show_in, set_in, 0, 2);
+
+static SENSOR_DEVICE_ATTR_2(in1_input, 0444, show_in, NULL, 1, 0);
+static SENSOR_DEVICE_ATTR_2(in1_min, 0644, show_in, set_in, 1, 1);
+static SENSOR_DEVICE_ATTR_2(in1_max, 0644, show_in, set_in, 1, 2);
+
+static SENSOR_DEVICE_ATTR_2(in2_input, 0444, show_in, NULL, 2, 0);
+static SENSOR_DEVICE_ATTR_2(in2_min, 0644, show_in, set_in, 2, 1);
+static SENSOR_DEVICE_ATTR_2(in2_max, 0644, show_in, set_in, 2, 2);
+
+static SENSOR_DEVICE_ATTR_2(in3_input, 0444, show_in, NULL, 3, 0);
+static SENSOR_DEVICE_ATTR_2(in3_min, 0644, show_in, set_in, 3, 1);
+static SENSOR_DEVICE_ATTR_2(in3_max, 0644, show_in, set_in, 3, 2);
+
+static SENSOR_DEVICE_ATTR_2(in4_input, 0444, show_in, NULL, 4, 0);
+static SENSOR_DEVICE_ATTR_2(in4_min, 0644, show_in, set_in, 4, 1);
+static SENSOR_DEVICE_ATTR_2(in4_max, 0644, show_in, set_in, 4, 2);
+
+static SENSOR_DEVICE_ATTR_2(in5_input, 0444, show_in, NULL, 5, 0);
+static SENSOR_DEVICE_ATTR_2(in5_min, 0644, show_in, set_in, 5, 1);
+static SENSOR_DEVICE_ATTR_2(in5_max, 0644, show_in, set_in, 5, 2);
+
+static SENSOR_DEVICE_ATTR_2(in6_input, 0444, show_in, NULL, 6, 0);
+static SENSOR_DEVICE_ATTR_2(in6_min, 0644, show_in, set_in, 6, 1);
+static SENSOR_DEVICE_ATTR_2(in6_max, 0644, show_in, set_in, 6, 2);
+
+static SENSOR_DEVICE_ATTR_2(in7_input, 0444, show_in, NULL, 7, 0);
+static SENSOR_DEVICE_ATTR_2(in7_min, 0644, show_in, set_in, 7, 1);
+static SENSOR_DEVICE_ATTR_2(in7_max, 0644, show_in, set_in, 7, 2);
+
+static SENSOR_DEVICE_ATTR_2(in8_input, 0444, show_in, NULL, 8, 0);
+static SENSOR_DEVICE_ATTR_2(in9_input, 0444, show_in, NULL, 9, 0);
+static SENSOR_DEVICE_ATTR_2(in10_input, 0444, show_in, NULL, 10, 0);
+static SENSOR_DEVICE_ATTR_2(in11_input, 0444, show_in, NULL, 11, 0);
+static SENSOR_DEVICE_ATTR_2(in12_input, 0444, show_in, NULL, 12, 0);
/* Up to 6 temperatures */
static ssize_t show_temp(struct device *dev, struct device_attribute *attr,
int index = sattr->index;
struct it87_data *data = it87_update_device(dev);
+ if (IS_ERR(data))
+ return PTR_ERR(data);
+
return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp[nr][index]));
}
struct it87_data *data = dev_get_drvdata(dev);
long val;
u8 reg, regval;
+ int err;
if (kstrtol(buf, 10, &val) < 0)
return -EINVAL;
- mutex_lock(&data->update_lock);
+ err = it87_lock(data);
+ if (err)
+ return err;
switch (index) {
default:
reg = data->REG_TEMP_HIGH[nr];
break;
case 3:
- regval = it87_read_value(data, IT87_REG_BEEP_ENABLE);
+ regval = data->read(data, IT87_REG_BEEP_ENABLE);
if (!(regval & 0x80)) {
regval |= 0x80;
- it87_write_value(data, IT87_REG_BEEP_ENABLE, regval);
+ data->write(data, IT87_REG_BEEP_ENABLE, regval);
}
data->valid = 0;
reg = data->REG_TEMP_OFFSET[nr];
}
data->temp[nr][index] = TEMP_TO_REG(val);
- it87_write_value(data, reg, data->temp[nr][index]);
- mutex_unlock(&data->update_lock);
+ data->write(data, reg, data->temp[nr][index]);
+ it87_unlock(data);
return count;
}
-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 SENSOR_DEVICE_ATTR_2(temp1_input, 0444, show_temp, NULL, 0, 0);
+static SENSOR_DEVICE_ATTR_2(temp1_min, 0644, show_temp, set_temp, 0, 1);
+static SENSOR_DEVICE_ATTR_2(temp1_max, 0644, show_temp, set_temp, 0, 2);
+static SENSOR_DEVICE_ATTR_2(temp1_offset, 0644, show_temp, set_temp, 0, 3);
+static SENSOR_DEVICE_ATTR_2(temp2_input, 0444, show_temp, NULL, 1, 0);
+static SENSOR_DEVICE_ATTR_2(temp2_min, 0644, show_temp, set_temp, 1, 1);
+static SENSOR_DEVICE_ATTR_2(temp2_max, 0644, show_temp, set_temp, 1, 2);
+static SENSOR_DEVICE_ATTR_2(temp2_offset, 0644, show_temp, set_temp, 1, 3);
+static SENSOR_DEVICE_ATTR_2(temp3_input, 0444, show_temp, NULL, 2, 0);
+static SENSOR_DEVICE_ATTR_2(temp3_min, 0644, show_temp, set_temp, 2, 1);
+static SENSOR_DEVICE_ATTR_2(temp3_max, 0644, show_temp, set_temp, 2, 2);
+static SENSOR_DEVICE_ATTR_2(temp3_offset, 0644, show_temp, set_temp, 2, 3);
+static SENSOR_DEVICE_ATTR_2(temp4_input, 0444, show_temp, NULL, 3, 0);
+static SENSOR_DEVICE_ATTR_2(temp4_min, 0644, show_temp, set_temp, 3, 1);
+static SENSOR_DEVICE_ATTR_2(temp4_max, 0644, show_temp, set_temp, 3, 2);
+static SENSOR_DEVICE_ATTR_2(temp4_offset, 0644, show_temp, set_temp, 3, 3);
+static SENSOR_DEVICE_ATTR_2(temp5_input, 0444, show_temp, NULL, 4, 0);
+static SENSOR_DEVICE_ATTR_2(temp5_min, 0644, show_temp, set_temp, 4, 1);
+static SENSOR_DEVICE_ATTR_2(temp5_max, 0644, show_temp, set_temp, 4, 2);
+static SENSOR_DEVICE_ATTR_2(temp5_offset, 0644, show_temp, set_temp, 4, 3);
+static SENSOR_DEVICE_ATTR_2(temp6_input, 0444, show_temp, NULL, 5, 0);
+static SENSOR_DEVICE_ATTR_2(temp6_min, 0644, show_temp, set_temp, 5, 1);
+static SENSOR_DEVICE_ATTR_2(temp6_max, 0644, show_temp, set_temp, 5, 2);
+static SENSOR_DEVICE_ATTR_2(temp6_offset, 0644, show_temp, set_temp, 5, 3);
+
+static const u8 temp_types_8686[NUM_TEMP][9] = {
+ { 0, 8, 8, 8, 8, 8, 8, 8, 7 },
+ { 0, 6, 8, 8, 6, 0, 0, 0, 7 },
+ { 0, 6, 5, 8, 6, 0, 0, 0, 7 },
+ { 4, 8, 8, 8, 8, 8, 8, 8, 7 },
+ { 4, 6, 8, 8, 6, 0, 0, 0, 7 },
+ { 4, 6, 5, 8, 6, 0, 0, 0, 7 },
+};
static int get_temp_type(struct it87_data *data, int index)
{
u8 reg, extra;
- int type = 0;
+ int ttype, 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);
+ src1 = (data->temp_src[index / 2] >> ((index % 2) * 4)) & 0x0f;
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;
- }
+ if (src1 < 9)
+ type = temp_types_8686[index][src1];
break;
case it8625:
if (index < 3)
index = src1;
break;
}
- switch(src1) {
+ src2 = data->temp_src[3];
+ switch (src1) {
case 3:
type = (src2 & BIT(index)) ? 6 : 5;
break;
return 0;
}
}
- if (index >= 3)
- return 0;
+ if (type)
+ return type;
+
+ /* Dectect PECI vs. AMDTSI */
+ ttype = 6;
+ if ((has_temp_peci(data, index)) || data->type == it8721 ||
+ data->type == it8720) {
+ extra = data->read(data, IT87_REG_IFSEL);
+ if ((extra & 0x70) == 0x40)
+ ttype = 5;
+ }
+
+ reg = data->read(data, IT87_REG_TEMP_ENABLE);
+
+ /* Per chip special detection */
+ switch (data->type) {
+ case it8622:
+ if (!(reg & 0xc0) && index == 3)
+ type = ttype;
+ break;
+ default:
+ break;
+ }
+
+ if (type || index >= 3)
+ return type;
- reg = it87_read_value(data, IT87_REG_TEMP_ENABLE);
- extra = it87_read_value(data, IT87_REG_TEMP_EXTRA);
+ extra = data->read(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 */
+ type = ttype; /* Intel PECI or AMDTSI */
if (reg & BIT(index))
type = 3; /* thermal diode */
else if (reg & BIT(index + 3))
{
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
struct it87_data *data = it87_update_device(dev);
- int type = get_temp_type(data, sensor_attr->index);
+ int type;
+ if (IS_ERR(data))
+ return PTR_ERR(data);
+
+ type = get_temp_type(data, sensor_attr->index);
return sprintf(buf, "%d\n", type);
}
struct it87_data *data = dev_get_drvdata(dev);
long val;
u8 reg, extra;
+ int err;
if (kstrtol(buf, 10, &val) < 0)
return -EINVAL;
- reg = it87_read_value(data, IT87_REG_TEMP_ENABLE);
+ err = it87_lock(data);
+ if (err)
+ return err;
+
+ reg = data->read(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);
+ extra = data->read(data, IT87_REG_TEMP_EXTRA);
if (has_temp_old_peci(data, nr) && ((extra & 0x80) || val == 6))
extra &= 0x7f;
if (val == 2) { /* backwards compatibility */
reg |= (nr + 1) << 6;
else if (has_temp_old_peci(data, nr) && val == 6)
extra |= 0x80;
- else if (val != 0)
- return -EINVAL;
+ else if (val != 0) {
+ count = -EINVAL;
+ goto unlock;
+ }
- mutex_lock(&data->update_lock);
data->sensor = reg;
data->extra = extra;
- it87_write_value(data, IT87_REG_TEMP_ENABLE, data->sensor);
+ data->write(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->write(data, IT87_REG_TEMP_EXTRA, data->extra);
data->valid = 0; /* Force cache refresh */
- mutex_unlock(&data->update_lock);
+unlock:
+ it87_unlock(data);
return count;
}
-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);
+static SENSOR_DEVICE_ATTR(temp1_type, 0644, show_temp_type, set_temp_type, 0);
+static SENSOR_DEVICE_ATTR(temp2_type, 0644, show_temp_type, set_temp_type, 1);
+static SENSOR_DEVICE_ATTR(temp3_type, 0644, show_temp_type, set_temp_type, 2);
+static SENSOR_DEVICE_ATTR(temp4_type, 0644, show_temp_type, set_temp_type, 3);
+static SENSOR_DEVICE_ATTR(temp5_type, 0644, show_temp_type, set_temp_type, 4);
+static SENSOR_DEVICE_ATTR(temp6_type, 0644, show_temp_type, set_temp_type, 5);
/* 6 Fans */
int speed;
struct it87_data *data = it87_update_device(dev);
+ if (IS_ERR(data))
+ return PTR_ERR(data);
+
speed = has_16bit_fans(data) ?
FAN16_FROM_REG(data->fan[nr][index]) :
FAN_FROM_REG(data->fan[nr][index],
struct it87_data *data = it87_update_device(dev);
int nr = sensor_attr->index;
+ if (IS_ERR(data))
+ return PTR_ERR(data);
+
return sprintf(buf, "%lu\n", DIV_FROM_REG(data->fan_div[nr]));
}
struct it87_data *data = it87_update_device(dev);
int nr = sensor_attr->index;
+ if (IS_ERR(data))
+ return PTR_ERR(data);
+
return sprintf(buf, "%d\n", pwm_mode(data, nr));
}
struct it87_data *data = it87_update_device(dev);
int nr = sensor_attr->index;
+ if (IS_ERR(data))
+ return PTR_ERR(data);
+
return sprintf(buf, "%d\n",
pwm_from_reg(data, data->pwm_duty[nr]));
}
unsigned int freq;
int index;
+ if (IS_ERR(data))
+ return PTR_ERR(data);
+
if (has_pwm_freq2(data) && nr == 1)
index = (data->extra >> 4) & 0x07;
else
struct it87_data *data = dev_get_drvdata(dev);
long val;
+ int err;
u8 reg;
if (kstrtol(buf, 10, &val) < 0)
return -EINVAL;
- mutex_lock(&data->update_lock);
+ err = it87_lock(data);
+ if (err)
+ return err;
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);
+ data->write(data, data->REG_FAN_MIN[nr],
+ data->fan[nr][index] & 0xff);
+ data->write(data, data->REG_FANX_MIN[nr],
+ data->fan[nr][index] >> 8);
} else {
- reg = it87_read_value(data, IT87_REG_FAN_DIV);
+ reg = data->read(data, IT87_REG_FAN_DIV);
switch (nr) {
case 0:
data->fan_div[nr] = reg & 0x07;
}
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->write(data, data->REG_FAN_MIN[nr], data->fan[nr][index]);
}
-
- mutex_unlock(&data->update_lock);
+ it87_unlock(data);
return count;
}
struct it87_data *data = dev_get_drvdata(dev);
int nr = sensor_attr->index;
unsigned long val;
- int min;
+ int min, err;
u8 old;
if (kstrtoul(buf, 10, &val) < 0)
return -EINVAL;
- mutex_lock(&data->update_lock);
- old = it87_read_value(data, IT87_REG_FAN_DIV);
+ err = it87_lock(data);
+ if (err)
+ return err;
+
+ old = data->read(data, IT87_REG_FAN_DIV);
/* Save fan min limit */
min = FAN_FROM_REG(data->fan[nr][1], DIV_FROM_REG(data->fan_div[nr]));
val |= (data->fan_div[1] & 0x07) << 3;
if (data->fan_div[2] == 3)
val |= 0x1 << 6;
- it87_write_value(data, IT87_REG_FAN_DIV, val);
+ data->write(data, IT87_REG_FAN_DIV, val);
/* Restore fan min limit */
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);
+ data->write(data, data->REG_FAN_MIN[nr], data->fan[nr][1]);
+ it87_unlock(data);
return count;
}
struct it87_data *data = dev_get_drvdata(dev);
int nr = sensor_attr->index;
long val;
+ int err;
if (kstrtol(buf, 10, &val) < 0 || val < 0 || val > 2)
return -EINVAL;
return -EINVAL;
}
- mutex_lock(&data->update_lock);
+ err = it87_lock(data);
+ if (err)
+ return err;
+
+ it87_update_pwm_ctrl(data, nr);
if (val == 0) {
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));
+ tmp = data->read(data, IT87_REG_FAN_CTL);
+ data->write(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);
+ data->write(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]);
+ data->write(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];
+ ctrl = temp_map_to_reg(data, nr,
+ data->pwm_temp_map[nr]);
+ ctrl &= 0x7f;
} else {
ctrl = data->pwm_duty[nr];
}
data->pwm_ctrl[nr] = ctrl;
- it87_write_value(data, data->REG_PWM[nr], ctrl);
+ data->write(data, data->REG_PWM[nr], ctrl);
}
} else {
u8 ctrl;
if (has_newer_autopwm(data)) {
- ctrl = (data->pwm_ctrl[nr] & 0x7c) |
- data->pwm_temp_map[nr];
- if (val != 1)
+ ctrl = temp_map_to_reg(data, nr,
+ data->pwm_temp_map[nr]);
+ if (val == 1)
+ ctrl &= 0x7f;
+ else
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);
+ data->write(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);
+ data->write(data, IT87_REG_FAN_MAIN_CTRL,
+ data->fan_main_ctrl);
}
}
-
- mutex_unlock(&data->update_lock);
+ it87_unlock(data);
return count;
}
struct it87_data *data = dev_get_drvdata(dev);
int nr = sensor_attr->index;
long val;
+ int err;
if (kstrtol(buf, 10, &val) < 0 || val < 0 || val > 255)
return -EINVAL;
- mutex_lock(&data->update_lock);
+ err = it87_lock(data);
+ if (err)
+ return err;
+
it87_update_pwm_ctrl(data, nr);
if (has_newer_autopwm(data)) {
/*
* is read-only so we can't write the value.
*/
if (data->pwm_ctrl[nr] & 0x80) {
- mutex_unlock(&data->update_lock);
- return -EBUSY;
+ count = -EBUSY;
+ goto unlock;
}
data->pwm_duty[nr] = pwm_to_reg(data, val);
- it87_write_value(data, IT87_REG_PWM_DUTY[nr],
- data->pwm_duty[nr]);
+ data->write(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, data->REG_PWM[nr],
- data->pwm_ctrl[nr]);
+ data->write(data, data->REG_PWM[nr],
+ data->pwm_ctrl[nr]);
}
}
- mutex_unlock(&data->update_lock);
+unlock:
+ it87_unlock(data);
return count;
}
struct it87_data *data = dev_get_drvdata(dev);
int nr = sensor_attr->index;
unsigned long val;
+ int err;
int i;
if (kstrtoul(buf, 10, &val) < 0)
break;
}
- mutex_lock(&data->update_lock);
+ err = it87_lock(data);
+ if (err)
+ return err;
+
if (nr == 0) {
- data->fan_ctl = it87_read_value(data, IT87_REG_FAN_CTL) & 0x8f;
+ data->fan_ctl = data->read(data, IT87_REG_FAN_CTL) & 0x8f;
data->fan_ctl |= i << 4;
- it87_write_value(data, IT87_REG_FAN_CTL, data->fan_ctl);
+ data->write(data, IT87_REG_FAN_CTL, data->fan_ctl);
} else {
- data->extra = it87_read_value(data, IT87_REG_TEMP_EXTRA) & 0x8f;
+ data->extra = data->read(data, IT87_REG_TEMP_EXTRA) & 0x8f;
data->extra |= i << 4;
- it87_write_value(data, IT87_REG_TEMP_EXTRA, data->extra);
+ data->write(data, IT87_REG_TEMP_EXTRA, data->extra);
}
- mutex_unlock(&data->update_lock);
-
+ it87_unlock(data);
return count;
}
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
struct it87_data *data = it87_update_device(dev);
int nr = sensor_attr->index;
- int 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;
- }
+ if (IS_ERR(data))
+ return PTR_ERR(data);
- return sprintf(buf, "%d\n", (int)BIT(map));
+ return sprintf(buf, "%d\n", data->pwm_temp_map[nr] + 1);
}
static ssize_t set_pwm_temp_map(struct device *dev,
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
struct it87_data *data = dev_get_drvdata(dev);
int nr = sensor_attr->index;
- long val;
- u8 reg;
+ unsigned long val;
+ int err;
+ u8 map;
- if (kstrtol(buf, 10, &val) < 0)
+ if (kstrtoul(buf, 10, &val) < 0)
return -EINVAL;
- if (nr >= 3 && !has_new_tempmap(data))
- val -= 3;
-
- switch (val) {
- case BIT(0):
- reg = 0x00;
- break;
- case BIT(1):
- reg = 0x01;
- break;
- 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:
+ if (!val || val > data->pwm_num_temp_map)
return -EINVAL;
- }
- if (has_new_tempmap(data))
- reg <<= 3;
- else if (reg > 0x02)
- return -EINVAL;
+ map = val - 1;
+
+ err = it87_lock(data);
+ if (err)
+ return err;
- mutex_lock(&data->update_lock);
it87_update_pwm_ctrl(data, nr);
- data->pwm_temp_map[nr] = reg;
+ data->pwm_temp_map[nr] = map;
/*
* If we are in automatic mode, write the temp mapping immediately;
* otherwise, just store it for later use.
*/
if (data->pwm_ctrl[nr] & 0x80) {
- 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]);
+ data->pwm_ctrl[nr] = temp_map_to_reg(data, nr, map);
+ data->write(data, data->REG_PWM[nr], data->pwm_ctrl[nr]);
}
- mutex_unlock(&data->update_lock);
+ it87_unlock(data);
return count;
}
int nr = sensor_attr->nr;
int point = sensor_attr->index;
+ if (IS_ERR(data))
+ return PTR_ERR(data);
+
return sprintf(buf, "%d\n",
pwm_from_reg(data, data->auto_pwm[nr][point]));
}
int point = sensor_attr->index;
int regaddr;
long val;
+ int err;
if (kstrtol(buf, 10, &val) < 0 || val < 0 || val > 255)
return -EINVAL;
- mutex_lock(&data->update_lock);
+ err = it87_lock(data);
+ if (err)
+ return err;
+
data->auto_pwm[nr][point] = pwm_to_reg(data, val);
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);
+ data->write(data, regaddr, data->auto_pwm[nr][point]);
+ it87_unlock(data);
return count;
}
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
int nr = sensor_attr->index;
+ if (IS_ERR(data))
+ return PTR_ERR(data);
+
return sprintf(buf, "%d\n", data->auto_pwm[nr][1] & 0x7f);
}
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
int nr = sensor_attr->index;
unsigned long val;
+ int err;
if (kstrtoul(buf, 10, &val) < 0 || val > 127)
return -EINVAL;
- mutex_lock(&data->update_lock);
+ err = it87_lock(data);
+ if (err)
+ return err;
+
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);
+ data->write(data, IT87_REG_AUTO_TEMP(nr, 4), data->auto_pwm[nr][1]);
+ it87_unlock(data);
return count;
}
int point = sensor_attr->index;
int reg;
+ if (IS_ERR(data))
+ return PTR_ERR(data);
+
if (has_old_autopwm(data) || point)
reg = data->auto_temp[nr][point];
else
int point = sensor_attr->index;
long val;
int reg;
+ int err;
if (kstrtol(buf, 10, &val) < 0 || val < -128000 || val > 127000)
return -EINVAL;
- mutex_lock(&data->update_lock);
+ err = it87_lock(data);
+ if (err)
+ return err;
+
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);
+ data->write(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);
+ data->write(data, IT87_REG_AUTO_TEMP(nr, point), reg);
}
- mutex_unlock(&data->update_lock);
+ it87_unlock(data);
return count;
}
-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(fan1_input, 0444, show_fan, NULL, 0, 0);
+static SENSOR_DEVICE_ATTR_2(fan1_min, 0644, show_fan, set_fan, 0, 1);
+static SENSOR_DEVICE_ATTR(fan1_div, 0644, 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(fan2_input, 0444, show_fan, NULL, 1, 0);
+static SENSOR_DEVICE_ATTR_2(fan2_min, 0644, show_fan, set_fan, 1, 1);
+static SENSOR_DEVICE_ATTR(fan2_div, 0644, 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(fan3_input, 0444, show_fan, NULL, 2, 0);
+static SENSOR_DEVICE_ATTR_2(fan3_min, 0644, show_fan, set_fan, 2, 1);
+static SENSOR_DEVICE_ATTR(fan3_div, 0644, 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(fan4_input, 0444, show_fan, NULL, 3, 0);
+static SENSOR_DEVICE_ATTR_2(fan4_min, 0644, 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(fan5_input, 0444, show_fan, NULL, 4, 0);
+static SENSOR_DEVICE_ATTR_2(fan5_min, 0644, 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_2(fan6_input, 0444, show_fan, NULL, 5, 0);
+static SENSOR_DEVICE_ATTR_2(fan6_min, 0644, show_fan, set_fan, 5, 1);
-static SENSOR_DEVICE_ATTR(pwm1_enable, S_IRUGO | S_IWUSR,
+static SENSOR_DEVICE_ATTR(pwm1_enable, 0644,
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,
+static SENSOR_DEVICE_ATTR(pwm1, 0644, show_pwm, set_pwm, 0);
+static SENSOR_DEVICE_ATTR(pwm1_freq, 0644, show_pwm_freq, set_pwm_freq, 0);
+static SENSOR_DEVICE_ATTR(pwm1_auto_channels_temp, 0444,
show_pwm_temp_map, set_pwm_temp_map, 0);
-static SENSOR_DEVICE_ATTR_2(pwm1_auto_point1_pwm, S_IRUGO | S_IWUSR,
+static SENSOR_DEVICE_ATTR_2(pwm1_auto_point1_pwm, 0644,
show_auto_pwm, set_auto_pwm, 0, 0);
-static SENSOR_DEVICE_ATTR_2(pwm1_auto_point2_pwm, S_IRUGO | S_IWUSR,
+static SENSOR_DEVICE_ATTR_2(pwm1_auto_point2_pwm, 0644,
show_auto_pwm, set_auto_pwm, 0, 1);
-static SENSOR_DEVICE_ATTR_2(pwm1_auto_point3_pwm, S_IRUGO | S_IWUSR,
+static SENSOR_DEVICE_ATTR_2(pwm1_auto_point3_pwm, 0644,
show_auto_pwm, set_auto_pwm, 0, 2);
-static SENSOR_DEVICE_ATTR_2(pwm1_auto_point4_pwm, S_IRUGO,
+static SENSOR_DEVICE_ATTR_2(pwm1_auto_point4_pwm, 0444,
show_auto_pwm, NULL, 0, 3);
-static SENSOR_DEVICE_ATTR_2(pwm1_auto_point1_temp, S_IRUGO | S_IWUSR,
+static SENSOR_DEVICE_ATTR_2(pwm1_auto_point1_temp, 0644,
show_auto_temp, set_auto_temp, 0, 1);
-static SENSOR_DEVICE_ATTR_2(pwm1_auto_point1_temp_hyst, S_IRUGO | S_IWUSR,
+static SENSOR_DEVICE_ATTR_2(pwm1_auto_point1_temp_hyst, 0644,
show_auto_temp, set_auto_temp, 0, 0);
-static SENSOR_DEVICE_ATTR_2(pwm1_auto_point2_temp, S_IRUGO | S_IWUSR,
+static SENSOR_DEVICE_ATTR_2(pwm1_auto_point2_temp, 0644,
show_auto_temp, set_auto_temp, 0, 2);
-static SENSOR_DEVICE_ATTR_2(pwm1_auto_point3_temp, S_IRUGO | S_IWUSR,
+static SENSOR_DEVICE_ATTR_2(pwm1_auto_point3_temp, 0644,
show_auto_temp, set_auto_temp, 0, 3);
-static SENSOR_DEVICE_ATTR_2(pwm1_auto_point4_temp, S_IRUGO | S_IWUSR,
+static SENSOR_DEVICE_ATTR_2(pwm1_auto_point4_temp, 0644,
show_auto_temp, set_auto_temp, 0, 4);
-static SENSOR_DEVICE_ATTR_2(pwm1_auto_start, S_IRUGO | S_IWUSR,
+static SENSOR_DEVICE_ATTR_2(pwm1_auto_start, 0644,
show_auto_pwm, set_auto_pwm, 0, 0);
-static SENSOR_DEVICE_ATTR(pwm1_auto_slope, S_IRUGO | S_IWUSR,
+static SENSOR_DEVICE_ATTR(pwm1_auto_slope, 0644,
show_auto_pwm_slope, set_auto_pwm_slope, 0);
-static SENSOR_DEVICE_ATTR(pwm2_enable, S_IRUGO | S_IWUSR,
+static SENSOR_DEVICE_ATTR(pwm2_enable, 0644,
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,
+static SENSOR_DEVICE_ATTR(pwm2, 0644, show_pwm, set_pwm, 1);
+static SENSOR_DEVICE_ATTR(pwm2_freq, 0444, show_pwm_freq, set_pwm_freq, 1);
+static SENSOR_DEVICE_ATTR(pwm2_auto_channels_temp, 0444,
show_pwm_temp_map, set_pwm_temp_map, 1);
-static SENSOR_DEVICE_ATTR_2(pwm2_auto_point1_pwm, S_IRUGO | S_IWUSR,
+static SENSOR_DEVICE_ATTR_2(pwm2_auto_point1_pwm, 0644,
show_auto_pwm, set_auto_pwm, 1, 0);
-static SENSOR_DEVICE_ATTR_2(pwm2_auto_point2_pwm, S_IRUGO | S_IWUSR,
+static SENSOR_DEVICE_ATTR_2(pwm2_auto_point2_pwm, 0644,
show_auto_pwm, set_auto_pwm, 1, 1);
-static SENSOR_DEVICE_ATTR_2(pwm2_auto_point3_pwm, S_IRUGO | S_IWUSR,
+static SENSOR_DEVICE_ATTR_2(pwm2_auto_point3_pwm, 0644,
show_auto_pwm, set_auto_pwm, 1, 2);
-static SENSOR_DEVICE_ATTR_2(pwm2_auto_point4_pwm, S_IRUGO,
+static SENSOR_DEVICE_ATTR_2(pwm2_auto_point4_pwm, 0444,
show_auto_pwm, NULL, 1, 3);
-static SENSOR_DEVICE_ATTR_2(pwm2_auto_point1_temp, S_IRUGO | S_IWUSR,
+static SENSOR_DEVICE_ATTR_2(pwm2_auto_point1_temp, 0644,
show_auto_temp, set_auto_temp, 1, 1);
-static SENSOR_DEVICE_ATTR_2(pwm2_auto_point1_temp_hyst, S_IRUGO | S_IWUSR,
+static SENSOR_DEVICE_ATTR_2(pwm2_auto_point1_temp_hyst, 0644,
show_auto_temp, set_auto_temp, 1, 0);
-static SENSOR_DEVICE_ATTR_2(pwm2_auto_point2_temp, S_IRUGO | S_IWUSR,
+static SENSOR_DEVICE_ATTR_2(pwm2_auto_point2_temp, 0644,
show_auto_temp, set_auto_temp, 1, 2);
-static SENSOR_DEVICE_ATTR_2(pwm2_auto_point3_temp, S_IRUGO | S_IWUSR,
+static SENSOR_DEVICE_ATTR_2(pwm2_auto_point3_temp, 0644,
show_auto_temp, set_auto_temp, 1, 3);
-static SENSOR_DEVICE_ATTR_2(pwm2_auto_point4_temp, S_IRUGO | S_IWUSR,
+static SENSOR_DEVICE_ATTR_2(pwm2_auto_point4_temp, 0644,
show_auto_temp, set_auto_temp, 1, 4);
-static SENSOR_DEVICE_ATTR_2(pwm2_auto_start, S_IRUGO | S_IWUSR,
+static SENSOR_DEVICE_ATTR_2(pwm2_auto_start, 0644,
show_auto_pwm, set_auto_pwm, 1, 0);
-static SENSOR_DEVICE_ATTR(pwm2_auto_slope, S_IRUGO | S_IWUSR,
+static SENSOR_DEVICE_ATTR(pwm2_auto_slope, 0644,
show_auto_pwm_slope, set_auto_pwm_slope, 1);
-static SENSOR_DEVICE_ATTR(pwm3_enable, S_IRUGO | S_IWUSR,
+static SENSOR_DEVICE_ATTR(pwm3_enable, 0644,
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,
+static SENSOR_DEVICE_ATTR(pwm3, 0644, show_pwm, set_pwm, 2);
+static SENSOR_DEVICE_ATTR(pwm3_freq, 0444, show_pwm_freq, NULL, 2);
+static SENSOR_DEVICE_ATTR(pwm3_auto_channels_temp, 0444,
show_pwm_temp_map, set_pwm_temp_map, 2);
-static SENSOR_DEVICE_ATTR_2(pwm3_auto_point1_pwm, S_IRUGO | S_IWUSR,
+static SENSOR_DEVICE_ATTR_2(pwm3_auto_point1_pwm, 0644,
show_auto_pwm, set_auto_pwm, 2, 0);
-static SENSOR_DEVICE_ATTR_2(pwm3_auto_point2_pwm, S_IRUGO | S_IWUSR,
+static SENSOR_DEVICE_ATTR_2(pwm3_auto_point2_pwm, 0644,
show_auto_pwm, set_auto_pwm, 2, 1);
-static SENSOR_DEVICE_ATTR_2(pwm3_auto_point3_pwm, S_IRUGO | S_IWUSR,
+static SENSOR_DEVICE_ATTR_2(pwm3_auto_point3_pwm, 0644,
show_auto_pwm, set_auto_pwm, 2, 2);
-static SENSOR_DEVICE_ATTR_2(pwm3_auto_point4_pwm, S_IRUGO,
+static SENSOR_DEVICE_ATTR_2(pwm3_auto_point4_pwm, 0444,
show_auto_pwm, NULL, 2, 3);
-static SENSOR_DEVICE_ATTR_2(pwm3_auto_point1_temp, S_IRUGO | S_IWUSR,
+static SENSOR_DEVICE_ATTR_2(pwm3_auto_point1_temp, 0644,
show_auto_temp, set_auto_temp, 2, 1);
-static SENSOR_DEVICE_ATTR_2(pwm3_auto_point1_temp_hyst, S_IRUGO | S_IWUSR,
+static SENSOR_DEVICE_ATTR_2(pwm3_auto_point1_temp_hyst, 0644,
show_auto_temp, set_auto_temp, 2, 0);
-static SENSOR_DEVICE_ATTR_2(pwm3_auto_point2_temp, S_IRUGO | S_IWUSR,
+static SENSOR_DEVICE_ATTR_2(pwm3_auto_point2_temp, 0644,
show_auto_temp, set_auto_temp, 2, 2);
-static SENSOR_DEVICE_ATTR_2(pwm3_auto_point3_temp, S_IRUGO | S_IWUSR,
+static SENSOR_DEVICE_ATTR_2(pwm3_auto_point3_temp, 0644,
show_auto_temp, set_auto_temp, 2, 3);
-static SENSOR_DEVICE_ATTR_2(pwm3_auto_point4_temp, S_IRUGO | S_IWUSR,
+static SENSOR_DEVICE_ATTR_2(pwm3_auto_point4_temp, 0644,
show_auto_temp, set_auto_temp, 2, 4);
-static SENSOR_DEVICE_ATTR_2(pwm3_auto_start, S_IRUGO | S_IWUSR,
+static SENSOR_DEVICE_ATTR_2(pwm3_auto_start, 0644,
show_auto_pwm, set_auto_pwm, 2, 0);
-static SENSOR_DEVICE_ATTR(pwm3_auto_slope, S_IRUGO | S_IWUSR,
+static SENSOR_DEVICE_ATTR(pwm3_auto_slope, 0644,
show_auto_pwm_slope, set_auto_pwm_slope, 2);
-static SENSOR_DEVICE_ATTR(pwm4_enable, S_IRUGO | S_IWUSR,
+static SENSOR_DEVICE_ATTR(pwm4_enable, 0644,
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,
+static SENSOR_DEVICE_ATTR(pwm4, 0644, show_pwm, set_pwm, 3);
+static SENSOR_DEVICE_ATTR(pwm4_freq, 0444, show_pwm_freq, NULL, 3);
+static SENSOR_DEVICE_ATTR(pwm4_auto_channels_temp, 0444,
show_pwm_temp_map, set_pwm_temp_map, 3);
-static SENSOR_DEVICE_ATTR_2(pwm4_auto_point1_temp, S_IRUGO | S_IWUSR,
+static SENSOR_DEVICE_ATTR_2(pwm4_auto_point1_temp, 0644,
show_auto_temp, set_auto_temp, 2, 1);
-static SENSOR_DEVICE_ATTR_2(pwm4_auto_point1_temp_hyst, S_IRUGO | S_IWUSR,
+static SENSOR_DEVICE_ATTR_2(pwm4_auto_point1_temp_hyst, 0644,
show_auto_temp, set_auto_temp, 2, 0);
-static SENSOR_DEVICE_ATTR_2(pwm4_auto_point2_temp, S_IRUGO | S_IWUSR,
+static SENSOR_DEVICE_ATTR_2(pwm4_auto_point2_temp, 0644,
show_auto_temp, set_auto_temp, 2, 2);
-static SENSOR_DEVICE_ATTR_2(pwm4_auto_point3_temp, S_IRUGO | S_IWUSR,
+static SENSOR_DEVICE_ATTR_2(pwm4_auto_point3_temp, 0644,
show_auto_temp, set_auto_temp, 2, 3);
-static SENSOR_DEVICE_ATTR_2(pwm4_auto_start, S_IRUGO | S_IWUSR,
+static SENSOR_DEVICE_ATTR_2(pwm4_auto_start, 0644,
show_auto_pwm, set_auto_pwm, 3, 0);
-static SENSOR_DEVICE_ATTR(pwm4_auto_slope, S_IRUGO | S_IWUSR,
+static SENSOR_DEVICE_ATTR(pwm4_auto_slope, 0644,
show_auto_pwm_slope, set_auto_pwm_slope, 3);
-static SENSOR_DEVICE_ATTR(pwm5_enable, S_IRUGO | S_IWUSR,
+static SENSOR_DEVICE_ATTR(pwm5_enable, 0644,
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,
+static SENSOR_DEVICE_ATTR(pwm5, 0644, show_pwm, set_pwm, 4);
+static SENSOR_DEVICE_ATTR(pwm5_freq, 0444, show_pwm_freq, NULL, 4);
+static SENSOR_DEVICE_ATTR(pwm5_auto_channels_temp, 0444,
show_pwm_temp_map, set_pwm_temp_map, 4);
-static SENSOR_DEVICE_ATTR_2(pwm5_auto_point1_temp, S_IRUGO | S_IWUSR,
+static SENSOR_DEVICE_ATTR_2(pwm5_auto_point1_temp, 0644,
show_auto_temp, set_auto_temp, 2, 1);
-static SENSOR_DEVICE_ATTR_2(pwm5_auto_point1_temp_hyst, S_IRUGO | S_IWUSR,
+static SENSOR_DEVICE_ATTR_2(pwm5_auto_point1_temp_hyst, 0644,
show_auto_temp, set_auto_temp, 2, 0);
-static SENSOR_DEVICE_ATTR_2(pwm5_auto_point2_temp, S_IRUGO | S_IWUSR,
+static SENSOR_DEVICE_ATTR_2(pwm5_auto_point2_temp, 0644,
show_auto_temp, set_auto_temp, 2, 2);
-static SENSOR_DEVICE_ATTR_2(pwm5_auto_point3_temp, S_IRUGO | S_IWUSR,
+static SENSOR_DEVICE_ATTR_2(pwm5_auto_point3_temp, 0644,
show_auto_temp, set_auto_temp, 2, 3);
-static SENSOR_DEVICE_ATTR_2(pwm5_auto_start, S_IRUGO | S_IWUSR,
+static SENSOR_DEVICE_ATTR_2(pwm5_auto_start, 0644,
show_auto_pwm, set_auto_pwm, 4, 0);
-static SENSOR_DEVICE_ATTR(pwm5_auto_slope, S_IRUGO | S_IWUSR,
+static SENSOR_DEVICE_ATTR(pwm5_auto_slope, 0644,
show_auto_pwm_slope, set_auto_pwm_slope, 4);
-static SENSOR_DEVICE_ATTR(pwm6_enable, S_IRUGO | S_IWUSR,
+static SENSOR_DEVICE_ATTR(pwm6_enable, 0644,
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,
+static SENSOR_DEVICE_ATTR(pwm6, 0644, show_pwm, set_pwm, 5);
+static SENSOR_DEVICE_ATTR(pwm6_freq, 0444, show_pwm_freq, NULL, 5);
+static SENSOR_DEVICE_ATTR(pwm6_auto_channels_temp, 0444,
show_pwm_temp_map, set_pwm_temp_map, 5);
-static SENSOR_DEVICE_ATTR_2(pwm6_auto_point1_temp, S_IRUGO | S_IWUSR,
+static SENSOR_DEVICE_ATTR_2(pwm6_auto_point1_temp, 0644,
show_auto_temp, set_auto_temp, 2, 1);
-static SENSOR_DEVICE_ATTR_2(pwm6_auto_point1_temp_hyst, S_IRUGO | S_IWUSR,
+static SENSOR_DEVICE_ATTR_2(pwm6_auto_point1_temp_hyst, 0644,
show_auto_temp, set_auto_temp, 2, 0);
-static SENSOR_DEVICE_ATTR_2(pwm6_auto_point2_temp, S_IRUGO | S_IWUSR,
+static SENSOR_DEVICE_ATTR_2(pwm6_auto_point2_temp, 0644,
show_auto_temp, set_auto_temp, 2, 2);
-static SENSOR_DEVICE_ATTR_2(pwm6_auto_point3_temp, S_IRUGO | S_IWUSR,
+static SENSOR_DEVICE_ATTR_2(pwm6_auto_point3_temp, 0644,
show_auto_temp, set_auto_temp, 2, 3);
-static SENSOR_DEVICE_ATTR_2(pwm6_auto_start, S_IRUGO | S_IWUSR,
+static SENSOR_DEVICE_ATTR_2(pwm6_auto_start, 0644,
show_auto_pwm, set_auto_pwm, 5, 0);
-static SENSOR_DEVICE_ATTR(pwm6_auto_slope, S_IRUGO | S_IWUSR,
+static SENSOR_DEVICE_ATTR(pwm6_auto_slope, 0644,
show_auto_pwm_slope, set_auto_pwm_slope, 5);
/* Alarms */
{
struct it87_data *data = it87_update_device(dev);
+ if (IS_ERR(data))
+ return PTR_ERR(data);
+
return sprintf(buf, "%u\n", data->alarms);
}
-static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL);
+static DEVICE_ATTR(alarms, 0444, show_alarms, NULL);
static ssize_t show_alarm(struct device *dev, struct device_attribute *attr,
char *buf)
struct it87_data *data = it87_update_device(dev);
int bitnr = to_sensor_dev_attr(attr)->index;
+ if (IS_ERR(data))
+ return PTR_ERR(data);
+
return sprintf(buf, "%u\n", (data->alarms >> bitnr) & 1);
}
size_t count)
{
struct it87_data *data = dev_get_drvdata(dev);
- int config;
+ int err, config;
long val;
if (kstrtol(buf, 10, &val) < 0 || val != 0)
return -EINVAL;
- mutex_lock(&data->update_lock);
- config = it87_read_value(data, IT87_REG_CONFIG);
- if (config < 0) {
- count = config;
- } else {
- config |= BIT(5);
- it87_write_value(data, IT87_REG_CONFIG, config);
- /* Invalidate cache to force re-read */
- data->valid = 0;
- }
- mutex_unlock(&data->update_lock);
+ err = it87_lock(data);
+ if (err)
+ return err;
+ config = data->read(data, IT87_REG_CONFIG);
+ config |= BIT(5);
+ data->write(data, IT87_REG_CONFIG, config);
+ /* Invalidate cache to force re-read */
+ data->valid = 0;
+ it87_unlock(data);
return count;
}
-static SENSOR_DEVICE_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 8);
-static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 9);
-static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 10);
-static SENSOR_DEVICE_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 11);
-static SENSOR_DEVICE_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 12);
-static SENSOR_DEVICE_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 13);
-static SENSOR_DEVICE_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 14);
-static SENSOR_DEVICE_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, 15);
-static SENSOR_DEVICE_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 0);
-static SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 1);
-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,
+static SENSOR_DEVICE_ATTR(in0_alarm, 0444, show_alarm, NULL, 8);
+static SENSOR_DEVICE_ATTR(in1_alarm, 0444, show_alarm, NULL, 9);
+static SENSOR_DEVICE_ATTR(in2_alarm, 0444, show_alarm, NULL, 10);
+static SENSOR_DEVICE_ATTR(in3_alarm, 0444, show_alarm, NULL, 11);
+static SENSOR_DEVICE_ATTR(in4_alarm, 0444, show_alarm, NULL, 12);
+static SENSOR_DEVICE_ATTR(in5_alarm, 0444, show_alarm, NULL, 13);
+static SENSOR_DEVICE_ATTR(in6_alarm, 0444, show_alarm, NULL, 14);
+static SENSOR_DEVICE_ATTR(in7_alarm, 0444, show_alarm, NULL, 15);
+static SENSOR_DEVICE_ATTR(fan1_alarm, 0444, show_alarm, NULL, 0);
+static SENSOR_DEVICE_ATTR(fan2_alarm, 0444, show_alarm, NULL, 1);
+static SENSOR_DEVICE_ATTR(fan3_alarm, 0444, show_alarm, NULL, 2);
+static SENSOR_DEVICE_ATTR(fan4_alarm, 0444, show_alarm, NULL, 3);
+static SENSOR_DEVICE_ATTR(fan5_alarm, 0444, show_alarm, NULL, 6);
+static SENSOR_DEVICE_ATTR(fan6_alarm, 0444, show_alarm, NULL, 7);
+static SENSOR_DEVICE_ATTR(temp1_alarm, 0444, show_alarm, NULL, 16);
+static SENSOR_DEVICE_ATTR(temp2_alarm, 0444, show_alarm, NULL, 17);
+static SENSOR_DEVICE_ATTR(temp3_alarm, 0444, show_alarm, NULL, 18);
+static SENSOR_DEVICE_ATTR(temp4_alarm, 0444, show_alarm, NULL, 19);
+static SENSOR_DEVICE_ATTR(temp5_alarm, 0444, show_alarm, NULL, 20);
+static SENSOR_DEVICE_ATTR(temp6_alarm, 0444, show_alarm, NULL, 21);
+static SENSOR_DEVICE_ATTR(intrusion0_alarm, 0644,
show_alarm, clear_intrusion, 4);
static ssize_t show_beep(struct device *dev, struct device_attribute *attr,
struct it87_data *data = it87_update_device(dev);
int bitnr = to_sensor_dev_attr(attr)->index;
+ if (IS_ERR(data))
+ return PTR_ERR(data);
+
return sprintf(buf, "%u\n", (data->beeps >> bitnr) & 1);
}
int bitnr = to_sensor_dev_attr(attr)->index;
struct it87_data *data = dev_get_drvdata(dev);
long val;
+ int err;
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);
+ err = it87_lock(data);
+ if (err)
+ return err;
+
+ data->beeps = data->read(data, IT87_REG_BEEP_ENABLE);
if (val)
data->beeps |= BIT(bitnr);
else
data->beeps &= ~BIT(bitnr);
- it87_write_value(data, IT87_REG_BEEP_ENABLE, data->beeps);
- mutex_unlock(&data->update_lock);
+ data->write(data, IT87_REG_BEEP_ENABLE, data->beeps);
+ it87_unlock(data);
return count;
}
-static SENSOR_DEVICE_ATTR(in0_beep, S_IRUGO | S_IWUSR,
+static SENSOR_DEVICE_ATTR(in0_beep, 0644,
show_beep, set_beep, 1);
-static SENSOR_DEVICE_ATTR(in1_beep, S_IRUGO, show_beep, NULL, 1);
-static SENSOR_DEVICE_ATTR(in2_beep, S_IRUGO, show_beep, NULL, 1);
-static SENSOR_DEVICE_ATTR(in3_beep, S_IRUGO, show_beep, NULL, 1);
-static SENSOR_DEVICE_ATTR(in4_beep, S_IRUGO, show_beep, NULL, 1);
-static SENSOR_DEVICE_ATTR(in5_beep, S_IRUGO, show_beep, NULL, 1);
-static SENSOR_DEVICE_ATTR(in6_beep, S_IRUGO, show_beep, NULL, 1);
-static SENSOR_DEVICE_ATTR(in7_beep, S_IRUGO, show_beep, NULL, 1);
+static SENSOR_DEVICE_ATTR(in1_beep, 0444, show_beep, NULL, 1);
+static SENSOR_DEVICE_ATTR(in2_beep, 0444, show_beep, NULL, 1);
+static SENSOR_DEVICE_ATTR(in3_beep, 0444, show_beep, NULL, 1);
+static SENSOR_DEVICE_ATTR(in4_beep, 0444, show_beep, NULL, 1);
+static SENSOR_DEVICE_ATTR(in5_beep, 0444, show_beep, NULL, 1);
+static SENSOR_DEVICE_ATTR(in6_beep, 0444, show_beep, NULL, 1);
+static SENSOR_DEVICE_ATTR(in7_beep, 0444, show_beep, NULL, 1);
/* fanX_beep writability is set later */
-static SENSOR_DEVICE_ATTR(fan1_beep, S_IRUGO, show_beep, set_beep, 0);
-static SENSOR_DEVICE_ATTR(fan2_beep, S_IRUGO, show_beep, set_beep, 0);
-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,
+static SENSOR_DEVICE_ATTR(fan1_beep, 0444, show_beep, set_beep, 0);
+static SENSOR_DEVICE_ATTR(fan2_beep, 0444, show_beep, set_beep, 0);
+static SENSOR_DEVICE_ATTR(fan3_beep, 0444, show_beep, set_beep, 0);
+static SENSOR_DEVICE_ATTR(fan4_beep, 0444, show_beep, set_beep, 0);
+static SENSOR_DEVICE_ATTR(fan5_beep, 0444, show_beep, set_beep, 0);
+static SENSOR_DEVICE_ATTR(fan6_beep, 0444, show_beep, set_beep, 0);
+static SENSOR_DEVICE_ATTR(temp1_beep, 0644,
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 SENSOR_DEVICE_ATTR(temp2_beep, 0444, show_beep, NULL, 2);
+static SENSOR_DEVICE_ATTR(temp3_beep, 0444, show_beep, NULL, 2);
+static SENSOR_DEVICE_ATTR(temp4_beep, 0444, show_beep, NULL, 2);
+static SENSOR_DEVICE_ATTR(temp5_beep, 0444, show_beep, NULL, 2);
+static SENSOR_DEVICE_ATTR(temp6_beep, 0444, show_beep, NULL, 2);
static ssize_t show_vrm_reg(struct device *dev, struct device_attribute *attr,
char *buf)
return count;
}
-static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm_reg, store_vrm_reg);
+static DEVICE_ATTR(vrm, 0644, show_vrm_reg, store_vrm_reg);
static ssize_t show_vid_reg(struct device *dev, struct device_attribute *attr,
char *buf)
{
struct it87_data *data = it87_update_device(dev);
+ if (IS_ERR(data))
+ return PTR_ERR(data);
+
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 DEVICE_ATTR(cpu0_vid, 0444, show_vid_reg, NULL);
static ssize_t show_label(struct device *dev, struct device_attribute *attr,
char *buf)
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);
+static SENSOR_DEVICE_ATTR(in3_label, 0444, show_label, NULL, 0);
+static SENSOR_DEVICE_ATTR(in7_label, 0444, show_label, NULL, 1);
+static SENSOR_DEVICE_ATTR(in8_label, 0444, show_label, NULL, 2);
/* AVCC3 */
-static SENSOR_DEVICE_ATTR(in9_label, S_IRUGO, show_label, NULL, 3);
+static SENSOR_DEVICE_ATTR(in9_label, 0444, show_label, NULL, 3);
static umode_t it87_in_is_visible(struct kobject *kobj,
struct attribute *attr, int index)
return attr->mode;
}
- if (a == 5 && !has_temp_offset(data))
+ if (a == 5 && i >= data->num_temp_offset)
return 0;
if (a == 6 && !data->has_beep)
return 0;
/* first fan beep attribute is writable */
if (i == __ffs(data->has_fan))
- return attr->mode | S_IWUSR;
+ return attr->mode | 0200;
}
if (a == 4 && has_16bit_fans(data)) /* divisor */
/* 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;
+ return attr->mode | 0200;
/* 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 | 0200;
return attr->mode;
}
/* SuperIO detection - will change isa_address if a chip is found */
static int __init it87_find(int sioaddr, unsigned short *address,
+ phys_addr_t *mmio_address,
struct it87_sio_data *sio_data)
{
- int err;
- u16 chip_type;
const struct it87_devices *config;
+ phys_addr_t base = 0;
+ bool doexit = true;
+ char mmio_str[32];
+ u16 chip_type;
+ int err;
err = superio_enter(sioaddr);
if (err)
return err;
+ sio_data->sioaddr = sioaddr;
+
err = -ENODEV;
chip_type = superio_inw(sioaddr, DEVID);
if (chip_type == 0xffff)
break;
case IT8792E_DEVID:
sio_data->type = it8792;
+ /*
+ * Disabling configuration mode on IT8792E can result in system
+ * hang-ups and access failures to the Super-IO chip at the
+ * second SIO address. Never exit configuration mode on this
+ * chip to avoid the problem.
+ */
+ doexit = false;
break;
case IT8771E_DEVID:
sio_data->type = it8771;
break;
case IT8790E_DEVID:
sio_data->type = it8790;
+ doexit = false; /* See IT8792E comment above */
break;
case IT8603E_DEVID:
case IT8623E_DEVID:
sio_data->type = it8603;
break;
+ case IT8606E_DEVID:
+ sio_data->type = it8606;
+ break;
case IT8607E_DEVID:
sio_data->type = it8607;
break;
goto exit;
}
+ sio_data->doexit = doexit;
+
err = 0;
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];
+ if (has_mmio(config) && mmio) {
+ u8 reg;
+
+ reg = superio_inb(sioaddr, IT87_EC_HWM_MIO_REG);
+ if (reg & BIT(5)) {
+ base = 0xf0000000 + ((reg & 0x0f) << 24);
+ base += (reg & 0xc0) << 14;
+ }
+ }
+ *mmio_address = base;
+
+ mmio_str[0] = '\0';
+ if (base)
+ snprintf(mmio_str, sizeof(mmio_str), " [MMIO at %pa]", &base);
+
+ pr_info("Found %s chip at 0x%x%s, revision %d\n",
+ it87_devices[sio_data->type].model,
+ *address, mmio_str, sio_data->revision);
+
/* in7 (VSB or VCCH5V) is always internal on some chips */
if (has_in7_internal(config))
sio_data->internal |= BIT(1);
sio_data->beep_pin = superio_inb(sioaddr,
IT87_SIO_BEEP_PIN_REG) & 0x3f;
- } else if (sio_data->type == it8603 || sio_data->type == it8607) {
+ } else if (sio_data->type == it8603 || sio_data->type == it8606 ||
+ sio_data->type == it8607) {
int reg27, reg29;
superio_select(sioaddr, GPIO);
if (reg29 & BIT(2))
sio_data->skip_fan |= BIT(1);
- if (sio_data->type == it8603) {
+ 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;
}
sio_data->beep_pin = superio_inb(sioaddr,
/* Check for pwm2, fan2 */
if (reg29 & BIT(1))
sio_data->skip_pwm |= BIT(1);
+ /*
+ * Note: Table 6-1 in datasheet claims that FAN_TAC2
+ * would be enabled with 29h[2]=0.
+ */
if (reg2d & BIT(4))
sio_data->skip_fan |= BIT(1);
sio_data->skip_fan |= BIT(3);
if (reg26 & BIT(5))
sio_data->skip_pwm |= BIT(4);
- if (!(reg26 & BIT(4)))
+ if (reg26 & BIT(4))
sio_data->skip_fan |= BIT(4);
}
if (sio_data->beep_pin)
pr_info("Beeping is supported\n");
+ if (config->smbus_bitmap && !base) {
+ u8 reg;
+
+ superio_select(sioaddr, PME);
+ reg = superio_inb(sioaddr, IT87_SPECIAL_CFG_REG);
+ sio_data->ec_special_config = reg;
+ sio_data->smbus_bitmap = reg & config->smbus_bitmap;
+ }
+
exit:
- superio_exit(sioaddr);
+ superio_exit(sioaddr, doexit);
return err;
}
/* 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_TEMP_HIGH = IT87_REG_TEMP_HIGH;
break;
}
+
+ if (data->mmio) {
+ data->read = it87_mmio_read;
+ data->write = it87_mmio_write;
+ } else if (has_bank_sel(data)) {
+ data->read = it87_io_read;
+ data->write = it87_io_write;
+ } else {
+ data->read = _it87_io_read;
+ data->write = _it87_io_write;
+ }
}
/* Called when we have found a new IT87. */
int tmp, i;
u8 mask;
+ if (has_new_tempmap(data)) {
+ data->pwm_temp_map_shift = 3;
+ data->pwm_temp_map_mask = 0x07;
+ } else {
+ data->pwm_temp_map_shift = 0;
+ data->pwm_temp_map_mask = 0x03;
+ }
+
/*
* For each PWM channel:
* - If it is in automatic mode, setting to manual mode should set
* the fan to full speed by default.
* - If it is in manual mode, we need a mapping to temperature
* channels to use when later setting to automatic mode later.
- * Use a 1:1 mapping by default (we are clueless.)
+ * Map to the first sensor by default (we are clueless.)
* In both cases, the value can (and should) be changed by the user
* prior to switching to a different mode.
* Note that this is no longer needed for the IT8721F and later, as
* manual duty cycle.
*/
for (i = 0; i < NUM_AUTO_PWM; i++) {
- data->pwm_temp_map[i] = i;
+ data->pwm_temp_map[i] = 0;
data->pwm_duty[i] = 0x7f; /* Full speed */
data->auto_pwm[i][3] = 0x7f; /* Full speed, hard-coded */
}
* but is still confusing, so change to 127 degrees C.
*/
for (i = 0; i < NUM_VIN_LIMIT; i++) {
- tmp = it87_read_value(data, IT87_REG_VIN_MIN(i));
+ tmp = data->read(data, IT87_REG_VIN_MIN(i));
if (tmp == 0xff)
- it87_write_value(data, IT87_REG_VIN_MIN(i), 0);
+ data->write(data, IT87_REG_VIN_MIN(i), 0);
}
for (i = 0; i < data->num_temp_limit; i++) {
- tmp = it87_read_value(data, data->REG_TEMP_HIGH[i]);
+ tmp = data->read(data, data->REG_TEMP_HIGH[i]);
if (tmp == 0xff)
- it87_write_value(data, data->REG_TEMP_HIGH[i], 127);
+ data->write(data, data->REG_TEMP_HIGH[i], 127);
}
/*
*/
/* Check if voltage monitors are reset manually or by some reason */
- tmp = it87_read_value(data, IT87_REG_VIN_ENABLE);
+ tmp = data->read(data, IT87_REG_VIN_ENABLE);
if ((tmp & 0xff) == 0) {
/* Enable all voltage monitors */
- it87_write_value(data, IT87_REG_VIN_ENABLE, 0xff);
+ data->write(data, IT87_REG_VIN_ENABLE, 0xff);
}
/* Check if tachometers are reset manually or by some reason */
mask = 0x70 & ~(sio_data->skip_fan << 4);
- data->fan_main_ctrl = it87_read_value(data, IT87_REG_FAN_MAIN_CTRL);
+ data->fan_main_ctrl = data->read(data, IT87_REG_FAN_MAIN_CTRL);
if ((data->fan_main_ctrl & mask) == 0) {
/* Enable all fan tachometers */
data->fan_main_ctrl |= mask;
- it87_write_value(data, IT87_REG_FAN_MAIN_CTRL,
- data->fan_main_ctrl);
+ data->write(data, IT87_REG_FAN_MAIN_CTRL, data->fan_main_ctrl);
}
data->has_fan = (data->fan_main_ctrl >> 4) & 0x07;
- tmp = it87_read_value(data, IT87_REG_FAN_16BIT);
+ tmp = data->read(data, IT87_REG_FAN_16BIT);
/* Set tachometers to 16-bit mode if needed */
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);
+ data->write(data, IT87_REG_FAN_16BIT, tmp | 0x07);
}
}
break;
case it8625:
case it8665:
- tmp = it87_read_value(data, IT87_REG_FAN_DIV);
+ tmp = data->read(data, IT87_REG_FAN_DIV);
if (tmp & BIT(3))
data->has_fan |= BIT(5); /* fan6 enabled */
break;
switch (data->type) {
case it8620:
case it8686:
- tmp = it87_read_value(data, IT87_REG_FAN_DIV);
+ tmp = data->read(data, IT87_REG_FAN_DIV);
if (!(tmp & BIT(3)))
sio_data->skip_pwm |= BIT(5);
break;
}
}
+ if (has_bank_sel(data)) {
+ for (i = 0; i < 3; i++)
+ data->temp_src[i] =
+ data->read(data, IT87_REG_TEMP_SRC1[i]);
+ data->temp_src[3] = data->read(data, IT87_REG_TEMP_SRC2);
+ }
+
/* Start monitoring */
- it87_write_value(data, IT87_REG_CONFIG,
- (it87_read_value(data, IT87_REG_CONFIG) & 0x3e)
- | (update_vbat ? 0x41 : 0x01));
+ data->write(data, IT87_REG_CONFIG,
+ (data->read(data, IT87_REG_CONFIG) & 0x3e) |
+ (update_vbat ? 0x41 : 0x01));
}
/* Return 1 if and only if the PWM interface is safe to use */
* 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);
+ int tmp = data->read(data, IT87_REG_FAN_CTL);
if ((tmp & 0x87) == 0) {
if (fix_pwm_polarity) {
u8 pwm[3];
for (i = 0; i < ARRAY_SIZE(pwm); i++)
- pwm[i] = it87_read_value(data,
+ pwm[i] = data->read(data,
data->REG_PWM[i]);
/*
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);
+ data->write(data, IT87_REG_FAN_CTL, tmp | 0x87);
for (i = 0; i < 3; i++)
- it87_write_value(data,
- data->REG_PWM[i],
- 0x7f & ~pwm[i]);
+ data->write(data, data->REG_PWM[i],
+ 0x7f & ~pwm[i]);
return 1;
}
struct it87_sio_data *sio_data = dev_get_platdata(dev);
int enable_pwm_interface;
struct device *hwmon_dev;
+ int err;
- 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;
- }
-
- data = devm_kzalloc(&pdev->dev, sizeof(struct it87_data), GFP_KERNEL);
+ data = devm_kzalloc(dev, sizeof(struct it87_data), GFP_KERNEL);
if (!data)
return -ENOMEM;
+ res = platform_get_resource(pdev, IORESOURCE_IO, 0);
+ if (res) {
+ if (!devm_request_region(dev, res->start, IT87_EC_EXTENT,
+ DRVNAME)) {
+ dev_err(dev, "Failed to request region %pR\n", res);
+ return -EBUSY;
+ }
+ } else {
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ data->mmio = devm_ioremap_resource(dev, res);
+ if (IS_ERR(data->mmio))
+ return PTR_ERR(data->mmio);
+ }
+
data->addr = res->start;
data->type = sio_data->type;
+ data->sioaddr = sio_data->sioaddr;
+ data->smbus_bitmap = sio_data->smbus_bitmap;
+ data->ec_special_config = sio_data->ec_special_config;
+ data->doexit = sio_data->doexit;
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->pwm_num_temp_map = it87_devices[sio_data->type].num_temp_map;
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;
/*
* IT8705F Datasheet 0.4.1, 3h == Version G.
break;
}
- /* 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;
-
platform_set_drvdata(pdev, data);
mutex_init(&data->update_lock);
/* Initialize register pointers */
it87_init_regs(pdev);
+ /*
+ * We need to disable SMBus before we can read any registers in
+ * the envmon address space, even if it is for chip identification
+ * purposes. If the chip has SMBus client support, it likely also has
+ * multi-page envmon registers, so we have to set the page anyway
+ * before accessing those registers. Kind of a chicken-and-egg
+ * problem.
+ * Fortunately, the chip was already identified through the SIO
+ * address space, only recent chips are affected, and this is just
+ * an additional safeguard.
+ */
+ err = smbus_disable(data);
+ if (err)
+ return err;
+
+ /* Now, we do the remaining detection. */
+ if ((data->read(data, IT87_REG_CONFIG) & 0x80) ||
+ data->read(data, IT87_REG_CHIPID) != 0x90) {
+ smbus_enable(data);
+ return -ENODEV;
+ }
+
/* Check PWM configuration */
enable_pwm_interface = it87_check_pwm(dev);
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->read(data, IT87_REG_TEMP_EXTRA) & 0x80))
data->has_temp &= ~BIT(2);
}
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);
+ if (has_four_temp(data)) {
+ data->has_temp |= BIT(3);
+ } else if (has_six_temp(data)) {
+ u8 reg = data->read(data, IT87_REG_TEMP456_ENABLE);
/* Check for additional temperature sensors */
if ((reg & 0x03) >= 0x02)
/* Initialize the IT87 chip */
it87_init_device(pdev);
+ smbus_enable(data);
+
if (!sio_data->skip_vid) {
data->has_vid = true;
data->vrm = vid_which_vrm();
.probe = it87_probe,
};
-static int __init it87_device_add(int index, unsigned short address,
+static int __init it87_device_add(int index, unsigned short sio_address,
+ phys_addr_t mmio_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,
.name = DRVNAME,
- .flags = IORESOURCE_IO,
};
int err;
+ if (mmio_address) {
+ res.start = mmio_address;
+ res.end = mmio_address + 0x400 - 1;
+ res.flags = IORESOURCE_MEM;
+ } else {
+ res.start = sio_address + IT87_EC_OFFSET;
+ res.end = sio_address + IT87_EC_OFFSET + IT87_EC_EXTENT - 1;
+ res.flags = IORESOURCE_IO;
+ }
+
err = acpi_check_resource_conflict(&res);
- if (err)
- return err;
+ if (err) {
+ if (!ignore_resource_conflict)
+ return err;
+ }
- pdev = platform_device_alloc(DRVNAME, address);
+ pdev = platform_device_alloc(DRVNAME, sio_address);
if (!pdev)
return -ENOMEM;
}
struct it87_dmi_data {
- bool sio4e_broken; /* SIO accesses @ 0x4e are broken */
- char *sio_mutex; /* SIO ACPI mutex */
+ bool sio2_force_config; /* force sio2 into configuration mode */
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.
+ * On various Gigabyte AM4 boards (AB350, AX370), the second Super-IO chip
+ * (IT8792E) needs to be in configuration mode before accessing the first
+ * due to a bug in IT8792E which otherwise results in LPC bus access errors.
+ * This needs to be done before accessing the first Super-IO chip since
+ * the second chip may have been accessed prior to loading this driver.
+ *
+ * The problem is also reported to affect IT8795E, which is used on X299 boards
+ * and has the same chip ID as IT8792E (0x8733). It also appears to affect
+ * systems with IT8790E, which is used on some Z97X-Gaming boards as well as
+ * Z87X-OC.
+ * DMI entries for those systems will be added as they become available and
+ * as the problem is confirmed to affect those boards.
*/
-static struct it87_dmi_data gigabyte_ab350_gaming = {
- .sio4e_broken = true,
- .sio_mutex = "\\_SB.PCI0.SBRG.SIO1.MUT0",
+static struct it87_dmi_data gigabyte_sio2_force = {
+ .sio2_force_config = true,
};
/*
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"),
+ DMI_MATCH(DMI_SYS_VENDOR,
+ "Gigabyte Technology Co., Ltd."),
+ DMI_MATCH(DMI_BOARD_NAME, "AB350"),
},
- .driver_data = &gigabyte_ab350_gaming,
+ .driver_data = &gigabyte_sio2_force,
},
{
.matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "Gigabyte Technology Co., Ltd."),
- DMI_MATCH(DMI_BOARD_NAME, "AX370-Gaming K7"),
+ DMI_MATCH(DMI_SYS_VENDOR,
+ "Gigabyte Technology Co., Ltd."),
+ DMI_MATCH(DMI_BOARD_NAME, "AX370"),
},
- .driver_data = &gigabyte_ab350_gaming,
+ .driver_data = &gigabyte_sio2_force,
},
{
.matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "Gigabyte Technology Co., Ltd."),
- DMI_MATCH(DMI_BOARD_NAME, "AX370-Gaming 5"),
+ DMI_MATCH(DMI_SYS_VENDOR,
+ "Gigabyte Technology Co., Ltd."),
+ DMI_MATCH(DMI_BOARD_NAME, "Z97X-Gaming G1"),
},
- .driver_data = &gigabyte_ab350_gaming,
+ .driver_data = &gigabyte_sio2_force,
},
{
.matches = {
int sioaddr[2] = { REG_2E, REG_4E };
struct it87_sio_data sio_data;
unsigned short isa_address;
+ phys_addr_t mmio_address;
bool found = false;
int i, err;
+ pr_info("it87 driver version %s\n", IT87_DRIVER_VERSION);
+
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 */
- }
-
err = platform_driver_register(&it87_driver);
if (err)
return err;
+ if (dmi_data && dmi_data->sio2_force_config)
+ __superio_enter(REG_4E);
+
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);
+ mmio_address = 0;
+ err = it87_find(sioaddr[i], &isa_address, &mmio_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);
+ err = it87_device_add(i, isa_address, mmio_address, &sio_data);
if (err)
goto exit_dev_unregister;
found = true;
MODULE_AUTHOR("Chris Gauthron, Jean Delvare <jdelvare@suse.de>");
MODULE_DESCRIPTION("IT8705F/IT871xF/IT872xF hardware monitoring driver");
-module_param(update_vbat, bool, 0);
+module_param(update_vbat, bool, 0000);
MODULE_PARM_DESC(update_vbat, "Update vbat if set else return powerup value");
-module_param(fix_pwm_polarity, bool, 0);
+module_param(fix_pwm_polarity, bool, 0000);
MODULE_PARM_DESC(fix_pwm_polarity,
"Force PWM polarity to active high (DANGEROUS)");
MODULE_LICENSE("GPL");
+MODULE_VERSION(IT87_DRIVER_VERSION);
module_init(sm_it87_init);
module_exit(sm_it87_exit);