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-rw-r--r--drivers/hwmon/it87.c2261
1 files changed, 1279 insertions, 982 deletions
diff --git a/drivers/hwmon/it87.c b/drivers/hwmon/it87.c
index 1896e26df..730d84028 100644
--- a/drivers/hwmon/it87.c
+++ b/drivers/hwmon/it87.c
@@ -13,6 +13,7 @@
* Supports: IT8603E Super I/O chip w/LPC interface
* IT8620E Super I/O chip w/LPC interface
* IT8623E Super I/O chip w/LPC interface
+ * IT8628E Super I/O chip w/LPC interface
* IT8705F Super I/O chip w/LPC interface
* IT8712F Super I/O chip w/LPC interface
* IT8716F Super I/O chip w/LPC interface
@@ -44,14 +45,11 @@
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+#include <linux/bitops.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/slab.h>
@@ -72,17 +70,18 @@
enum chips { it87, it8712, it8716, it8718, it8720, it8721, it8728, it8732,
it8771, it8772, it8781, it8782, it8783, it8786, it8790, it8603,
- it8620 };
+ it8620, it8628 };
static unsigned short force_id;
module_param(force_id, ushort, 0);
MODULE_PARM_DESC(force_id, "Override the detected device ID");
-static struct platform_device *pdev;
+static struct platform_device *it87_pdev[2];
+
+#define REG_2E 0x2e /* The register to read/write */
+#define REG_4E 0x4e /* Secondary register to read/write */
-#define REG 0x2e /* The register to read/write */
#define DEV 0x07 /* Register: Logical device select */
-#define VAL 0x2f /* The value to read/write */
#define PME 0x04 /* The device with the fan registers in it */
/* The device with the IT8718F/IT8720F VID value in it */
@@ -91,54 +90,55 @@ static struct platform_device *pdev;
#define DEVID 0x20 /* Register: Device ID */
#define DEVREV 0x22 /* Register: Device Revision */
-static inline int superio_inb(int reg)
+static inline int superio_inb(int ioreg, int reg)
{
- outb(reg, REG);
- return inb(VAL);
+ outb(reg, ioreg);
+ return inb(ioreg + 1);
}
-static inline void superio_outb(int reg, int val)
+static inline void superio_outb(int ioreg, int reg, int val)
{
- outb(reg, REG);
- outb(val, VAL);
+ outb(reg, ioreg);
+ outb(val, ioreg + 1);
}
-static int superio_inw(int reg)
+static int superio_inw(int ioreg, int reg)
{
int val;
- outb(reg++, REG);
- val = inb(VAL) << 8;
- outb(reg, REG);
- val |= inb(VAL);
+
+ outb(reg++, ioreg);
+ val = inb(ioreg + 1) << 8;
+ outb(reg, ioreg);
+ val |= inb(ioreg + 1);
return val;
}
-static inline void superio_select(int ldn)
+static inline void superio_select(int ioreg, int ldn)
{
- outb(DEV, REG);
- outb(ldn, VAL);
+ outb(DEV, ioreg);
+ outb(ldn, ioreg + 1);
}
-static inline int superio_enter(void)
+static inline int superio_enter(int ioreg)
{
/*
- * Try to reserve REG and REG + 1 for exclusive access.
+ * Try to reserve ioreg and ioreg + 1 for exclusive access.
*/
- if (!request_muxed_region(REG, 2, DRVNAME))
+ if (!request_muxed_region(ioreg, 2, DRVNAME))
return -EBUSY;
- outb(0x87, REG);
- outb(0x01, REG);
- outb(0x55, REG);
- outb(0x55, REG);
+ outb(0x87, ioreg);
+ outb(0x01, ioreg);
+ outb(0x55, ioreg);
+ outb(ioreg == REG_4E ? 0xaa : 0x55, ioreg);
return 0;
}
-static inline void superio_exit(void)
+static inline void superio_exit(int ioreg)
{
- outb(0x02, REG);
- outb(0x02, VAL);
- release_region(REG, 2);
+ outb(0x02, ioreg);
+ outb(0x02, ioreg + 1);
+ release_region(ioreg, 2);
}
/* Logical device 4 registers */
@@ -161,6 +161,7 @@ static inline void superio_exit(void)
#define IT8603E_DEVID 0x8603
#define IT8620E_DEVID 0x8620
#define IT8623E_DEVID 0x8623
+#define IT8628E_DEVID 0x8628
#define IT87_ACT_REG 0x30
#define IT87_BASE_REG 0x60
@@ -168,6 +169,7 @@ static inline void superio_exit(void)
#define IT87_SIO_GPIO1_REG 0x25
#define IT87_SIO_GPIO2_REG 0x26
#define IT87_SIO_GPIO3_REG 0x27
+#define IT87_SIO_GPIO4_REG 0x28
#define IT87_SIO_GPIO5_REG 0x29
#define IT87_SIO_PINX1_REG 0x2a /* Pin selection */
#define IT87_SIO_PINX2_REG 0x2c /* Pin selection */
@@ -217,7 +219,12 @@ static bool fix_pwm_polarity;
#define IT87_REG_FAN_DIV 0x0b
#define IT87_REG_FAN_16BIT 0x0c
-/* Monitors: 9 voltage (0 to 7, battery), 3 temp (1 to 3), 3 fan (1 to 3) */
+/*
+ * Monitors:
+ * - up to 13 voltage (0 to 7, battery, avcc, 10 to 12)
+ * - up to 6 temp (1 to 6)
+ * - up to 6 fan (1 to 6)
+ */
static const u8 IT87_REG_FAN[] = { 0x0d, 0x0e, 0x0f, 0x80, 0x82, 0x4c };
static const u8 IT87_REG_FAN_MIN[] = { 0x10, 0x11, 0x12, 0x84, 0x86, 0x4e };
@@ -227,10 +234,12 @@ static const u8 IT87_REG_TEMP_OFFSET[] = { 0x56, 0x57, 0x59 };
#define IT87_REG_FAN_MAIN_CTRL 0x13
#define IT87_REG_FAN_CTL 0x14
-#define IT87_REG_PWM(nr) (0x15 + (nr))
-#define IT87_REG_PWM_DUTY(nr) (0x63 + (nr) * 8)
+static const u8 IT87_REG_PWM[] = { 0x15, 0x16, 0x17, 0x7f, 0xa7, 0xaf };
+static const u8 IT87_REG_PWM_DUTY[] = { 0x63, 0x6b, 0x73, 0x7b, 0xa3, 0xab };
+
+static const u8 IT87_REG_VIN[] = { 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26,
+ 0x27, 0x28, 0x2f, 0x2c, 0x2d, 0x2e };
-#define IT87_REG_VIN(nr) (0x20 + (nr))
#define IT87_REG_TEMP(nr) (0x29 + (nr))
#define IT87_REG_VIN_MAX(nr) (0x30 + (nr) * 2)
@@ -245,30 +254,48 @@ static const u8 IT87_REG_TEMP_OFFSET[] = { 0x56, 0x57, 0x59 };
#define IT87_REG_CHIPID 0x58
-#define IT87_REG_AUTO_TEMP(nr, i) (0x60 + (nr) * 8 + (i))
-#define IT87_REG_AUTO_PWM(nr, i) (0x65 + (nr) * 8 + (i))
+static const u8 IT87_REG_AUTO_BASE[] = { 0x60, 0x68, 0x70, 0x78, 0xa0, 0xa8 };
+
+#define IT87_REG_AUTO_TEMP(nr, i) (IT87_REG_AUTO_BASE[nr] + (i))
+#define IT87_REG_AUTO_PWM(nr, i) (IT87_REG_AUTO_BASE[nr] + 5 + (i))
+
+#define IT87_REG_TEMP456_ENABLE 0x77
+
+#define NUM_VIN ARRAY_SIZE(IT87_REG_VIN)
+#define NUM_VIN_LIMIT 8
+#define NUM_TEMP 6
+#define NUM_TEMP_OFFSET ARRAY_SIZE(IT87_REG_TEMP_OFFSET)
+#define NUM_TEMP_LIMIT 3
+#define NUM_FAN ARRAY_SIZE(IT87_REG_FAN)
+#define NUM_FAN_DIV 3
+#define NUM_PWM ARRAY_SIZE(IT87_REG_PWM)
+#define NUM_AUTO_PWM ARRAY_SIZE(IT87_REG_PWM)
struct it87_devices {
const char *name;
const char * const suffix;
- u16 features;
+ u32 features;
u8 peci_mask;
u8 old_peci_mask;
};
-#define FEAT_12MV_ADC (1 << 0)
-#define FEAT_NEWER_AUTOPWM (1 << 1)
-#define FEAT_OLD_AUTOPWM (1 << 2)
-#define FEAT_16BIT_FANS (1 << 3)
-#define FEAT_TEMP_OFFSET (1 << 4)
-#define FEAT_TEMP_PECI (1 << 5)
-#define FEAT_TEMP_OLD_PECI (1 << 6)
-#define FEAT_FAN16_CONFIG (1 << 7) /* Need to enable 16-bit fans */
-#define FEAT_FIVE_FANS (1 << 8) /* Supports five fans */
-#define FEAT_VID (1 << 9) /* Set if chip supports VID */
-#define FEAT_IN7_INTERNAL (1 << 10) /* Set if in7 is internal */
-#define FEAT_SIX_FANS (1 << 11) /* Supports six fans */
-#define FEAT_10_9MV_ADC (1 << 12)
+#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_FIVE_FANS BIT(8) /* Supports five fans */
+#define FEAT_VID BIT(9) /* Set if chip supports VID */
+#define FEAT_IN7_INTERNAL BIT(10) /* Set if in7 is internal */
+#define FEAT_SIX_FANS BIT(11) /* Supports six fans */
+#define FEAT_10_9MV_ADC BIT(12)
+#define FEAT_AVCC3 BIT(13) /* Chip supports in9/AVCC3 */
+#define FEAT_SIX_PWM BIT(14) /* Chip supports 6 pwm chn */
+#define FEAT_PWM_FREQ2 BIT(15) /* Separate pwm freq 2 */
+#define FEAT_SIX_TEMP BIT(16) /* Up to 6 temp sensors */
static const struct it87_devices it87_devices[] = {
[it87] = {
@@ -286,20 +313,22 @@ static const struct it87_devices it87_devices[] = {
.name = "it8716",
.suffix = "F",
.features = FEAT_16BIT_FANS | FEAT_TEMP_OFFSET | FEAT_VID
- | FEAT_FAN16_CONFIG | FEAT_FIVE_FANS,
+ | FEAT_FAN16_CONFIG | FEAT_FIVE_FANS | FEAT_PWM_FREQ2,
},
[it8718] = {
.name = "it8718",
.suffix = "F",
.features = FEAT_16BIT_FANS | FEAT_TEMP_OFFSET | FEAT_VID
- | FEAT_TEMP_OLD_PECI | FEAT_FAN16_CONFIG | FEAT_FIVE_FANS,
+ | FEAT_TEMP_OLD_PECI | FEAT_FAN16_CONFIG | FEAT_FIVE_FANS
+ | FEAT_PWM_FREQ2,
.old_peci_mask = 0x4,
},
[it8720] = {
.name = "it8720",
.suffix = "F",
.features = FEAT_16BIT_FANS | FEAT_TEMP_OFFSET | FEAT_VID
- | FEAT_TEMP_OLD_PECI | FEAT_FAN16_CONFIG | FEAT_FIVE_FANS,
+ | FEAT_TEMP_OLD_PECI | FEAT_FAN16_CONFIG | FEAT_FIVE_FANS
+ | FEAT_PWM_FREQ2,
.old_peci_mask = 0x4,
},
[it8721] = {
@@ -307,7 +336,8 @@ static const struct it87_devices it87_devices[] = {
.suffix = "F",
.features = FEAT_NEWER_AUTOPWM | FEAT_12MV_ADC | FEAT_16BIT_FANS
| FEAT_TEMP_OFFSET | FEAT_TEMP_OLD_PECI | FEAT_TEMP_PECI
- | FEAT_FAN16_CONFIG | FEAT_FIVE_FANS | FEAT_IN7_INTERNAL,
+ | FEAT_FAN16_CONFIG | FEAT_FIVE_FANS | FEAT_IN7_INTERNAL
+ | FEAT_PWM_FREQ2,
.peci_mask = 0x05,
.old_peci_mask = 0x02, /* Actually reports PCH */
},
@@ -316,7 +346,7 @@ static const struct it87_devices it87_devices[] = {
.suffix = "F",
.features = FEAT_NEWER_AUTOPWM | FEAT_12MV_ADC | FEAT_16BIT_FANS
| FEAT_TEMP_OFFSET | FEAT_TEMP_PECI | FEAT_FIVE_FANS
- | FEAT_IN7_INTERNAL,
+ | FEAT_IN7_INTERNAL | FEAT_PWM_FREQ2,
.peci_mask = 0x07,
},
[it8732] = {
@@ -332,7 +362,8 @@ static const struct it87_devices it87_devices[] = {
.name = "it8771",
.suffix = "E",
.features = FEAT_NEWER_AUTOPWM | FEAT_12MV_ADC | FEAT_16BIT_FANS
- | FEAT_TEMP_OFFSET | FEAT_TEMP_PECI | FEAT_IN7_INTERNAL,
+ | FEAT_TEMP_OFFSET | FEAT_TEMP_PECI | FEAT_IN7_INTERNAL
+ | FEAT_PWM_FREQ2,
/* PECI: guesswork */
/* 12mV ADC (OHM) */
/* 16 bit fans (OHM) */
@@ -343,7 +374,8 @@ static const struct it87_devices it87_devices[] = {
.name = "it8772",
.suffix = "E",
.features = FEAT_NEWER_AUTOPWM | FEAT_12MV_ADC | FEAT_16BIT_FANS
- | FEAT_TEMP_OFFSET | FEAT_TEMP_PECI | FEAT_IN7_INTERNAL,
+ | FEAT_TEMP_OFFSET | FEAT_TEMP_PECI | FEAT_IN7_INTERNAL
+ | FEAT_PWM_FREQ2,
/* PECI (coreboot) */
/* 12mV ADC (HWSensors4, OHM) */
/* 16 bit fans (HWSensors4, OHM) */
@@ -354,42 +386,45 @@ static const struct it87_devices it87_devices[] = {
.name = "it8781",
.suffix = "F",
.features = FEAT_16BIT_FANS | FEAT_TEMP_OFFSET
- | FEAT_TEMP_OLD_PECI | FEAT_FAN16_CONFIG,
+ | FEAT_TEMP_OLD_PECI | FEAT_FAN16_CONFIG | FEAT_PWM_FREQ2,
.old_peci_mask = 0x4,
},
[it8782] = {
.name = "it8782",
.suffix = "F",
.features = FEAT_16BIT_FANS | FEAT_TEMP_OFFSET
- | FEAT_TEMP_OLD_PECI | FEAT_FAN16_CONFIG,
+ | FEAT_TEMP_OLD_PECI | FEAT_FAN16_CONFIG | FEAT_PWM_FREQ2,
.old_peci_mask = 0x4,
},
[it8783] = {
.name = "it8783",
.suffix = "E/F",
.features = FEAT_16BIT_FANS | FEAT_TEMP_OFFSET
- | FEAT_TEMP_OLD_PECI | FEAT_FAN16_CONFIG,
+ | FEAT_TEMP_OLD_PECI | FEAT_FAN16_CONFIG | FEAT_PWM_FREQ2,
.old_peci_mask = 0x4,
},
[it8786] = {
.name = "it8786",
.suffix = "E",
.features = FEAT_NEWER_AUTOPWM | FEAT_12MV_ADC | FEAT_16BIT_FANS
- | FEAT_TEMP_OFFSET | FEAT_TEMP_PECI | FEAT_IN7_INTERNAL,
+ | FEAT_TEMP_OFFSET | FEAT_TEMP_PECI | FEAT_IN7_INTERNAL
+ | FEAT_PWM_FREQ2,
.peci_mask = 0x07,
},
[it8790] = {
.name = "it8790",
.suffix = "E",
.features = FEAT_NEWER_AUTOPWM | FEAT_12MV_ADC | FEAT_16BIT_FANS
- | FEAT_TEMP_OFFSET | FEAT_TEMP_PECI | FEAT_IN7_INTERNAL,
+ | FEAT_TEMP_OFFSET | FEAT_TEMP_PECI | FEAT_IN7_INTERNAL
+ | FEAT_PWM_FREQ2,
.peci_mask = 0x07,
},
[it8603] = {
.name = "it8603",
.suffix = "E",
.features = FEAT_NEWER_AUTOPWM | FEAT_12MV_ADC | FEAT_16BIT_FANS
- | FEAT_TEMP_OFFSET | FEAT_TEMP_PECI | FEAT_IN7_INTERNAL,
+ | FEAT_TEMP_OFFSET | FEAT_TEMP_PECI | FEAT_IN7_INTERNAL
+ | FEAT_AVCC3 | FEAT_PWM_FREQ2,
.peci_mask = 0x07,
},
[it8620] = {
@@ -397,7 +432,17 @@ static const struct it87_devices it87_devices[] = {
.suffix = "E",
.features = FEAT_NEWER_AUTOPWM | FEAT_12MV_ADC | FEAT_16BIT_FANS
| FEAT_TEMP_OFFSET | FEAT_TEMP_PECI | FEAT_SIX_FANS
- | FEAT_IN7_INTERNAL,
+ | FEAT_IN7_INTERNAL | FEAT_SIX_PWM | FEAT_PWM_FREQ2
+ | FEAT_SIX_TEMP,
+ .peci_mask = 0x07,
+ },
+ [it8628] = {
+ .name = "it8628",
+ .suffix = "E",
+ .features = FEAT_NEWER_AUTOPWM | FEAT_12MV_ADC | FEAT_16BIT_FANS
+ | FEAT_TEMP_OFFSET | FEAT_TEMP_PECI | FEAT_SIX_FANS
+ | FEAT_IN7_INTERNAL | FEAT_SIX_PWM | FEAT_PWM_FREQ2
+ | FEAT_SIX_TEMP,
.peci_mask = 0x07,
},
};
@@ -409,16 +454,20 @@ static const struct it87_devices it87_devices[] = {
#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 & (1 << nr)))
+ ((data)->peci_mask & BIT(nr)))
#define has_temp_old_peci(data, nr) \
(((data)->features & FEAT_TEMP_OLD_PECI) && \
- ((data)->old_peci_mask & (1 << nr)))
+ ((data)->old_peci_mask & BIT(nr)))
#define has_fan16_config(data) ((data)->features & FEAT_FAN16_CONFIG)
#define has_five_fans(data) ((data)->features & (FEAT_FIVE_FANS | \
FEAT_SIX_FANS))
#define has_vid(data) ((data)->features & FEAT_VID)
#define has_in7_internal(data) ((data)->features & FEAT_IN7_INTERNAL)
#define has_six_fans(data) ((data)->features & FEAT_SIX_FANS)
+#define has_avcc3(data) ((data)->features & FEAT_AVCC3)
+#define has_six_pwm(data) ((data)->features & FEAT_SIX_PWM)
+#define has_pwm_freq2(data) ((data)->features & FEAT_PWM_FREQ2)
+#define has_six_temp(data) ((data)->features & FEAT_SIX_TEMP)
struct it87_sio_data {
enum chips type;
@@ -440,7 +489,7 @@ struct it87_sio_data {
* The structure is dynamically allocated.
*/
struct it87_data {
- struct device *hwmon_dev;
+ const struct attribute_group *groups[7];
enum chips type;
u16 features;
u8 peci_mask;
@@ -453,17 +502,21 @@ struct it87_data {
unsigned long last_updated; /* In jiffies */
u16 in_scaled; /* Internal voltage sensors are scaled */
- u8 in[10][3]; /* [nr][0]=in, [1]=min, [2]=max */
+ u16 in_internal; /* Bitfield, internal sensors (for labels) */
+ u16 has_in; /* Bitfield, voltage sensors enabled */
+ u8 in[NUM_VIN][3]; /* [nr][0]=in, [1]=min, [2]=max */
u8 has_fan; /* Bitfield, fans enabled */
- u16 fan[6][2]; /* Register values, [nr][0]=fan, [1]=min */
+ u16 fan[NUM_FAN][2]; /* Register values, [nr][0]=fan, [1]=min */
u8 has_temp; /* Bitfield, temp sensors enabled */
- s8 temp[3][4]; /* [nr][0]=temp, [1]=min, [2]=max, [3]=offset */
+ s8 temp[NUM_TEMP][4]; /* [nr][0]=temp, [1]=min, [2]=max, [3]=offset */
u8 sensor; /* Register value (IT87_REG_TEMP_ENABLE) */
u8 extra; /* Register value (IT87_REG_TEMP_EXTRA) */
- u8 fan_div[3]; /* Register encoding, shifted right */
+ u8 fan_div[NUM_FAN_DIV];/* Register encoding, shifted right */
+ bool has_vid; /* True if VID supported */
u8 vid; /* Register encoding, combined */
u8 vrm;
u32 alarms; /* Register encoding, combined */
+ bool has_beep; /* true if beep supported */
u8 beeps; /* Register encoding */
u8 fan_main_ctrl; /* Register value */
u8 fan_ctl; /* Register value */
@@ -478,13 +531,14 @@ struct it87_data {
* is no longer needed, but it is still done to keep the driver
* simple.
*/
- u8 pwm_ctrl[3]; /* Register value */
- u8 pwm_duty[3]; /* Manual PWM value set by user */
- u8 pwm_temp_map[3]; /* PWM to temp. chan. mapping (bits 1-0) */
+ u8 has_pwm; /* Bitfield, pwm control enabled */
+ u8 pwm_ctrl[NUM_PWM]; /* Register value */
+ u8 pwm_duty[NUM_PWM]; /* Manual PWM value set by user */
+ u8 pwm_temp_map[NUM_PWM];/* PWM to temp. chan. mapping (bits 1-0) */
/* Automatic fan speed control registers */
- u8 auto_pwm[3][4]; /* [nr][3] is hard-coded */
- s8 auto_temp[3][5]; /* [nr][0] is point1_temp_hyst */
+ u8 auto_pwm[NUM_AUTO_PWM][4]; /* [nr][3] is hard-coded */
+ s8 auto_temp[NUM_AUTO_PWM][5]; /* [nr][0] is point1_temp_hyst */
};
static int adc_lsb(const struct it87_data *data, int nr)
@@ -497,7 +551,7 @@ static int adc_lsb(const struct it87_data *data, int nr)
lsb = 109;
else
lsb = 160;
- if (data->in_scaled & (1 << nr))
+ if (data->in_scaled & BIT(nr))
lsb <<= 1;
return lsb;
}
@@ -554,15 +608,16 @@ static int pwm_from_reg(const struct it87_data *data, u8 reg)
return (reg & 0x7f) << 1;
}
-
static int DIV_TO_REG(int val)
{
int answer = 0;
+
while (answer < 7 && (val >>= 1))
answer++;
return answer;
}
-#define DIV_FROM_REG(val) (1 << (val))
+
+#define DIV_FROM_REG(val) BIT(val)
/*
* PWM base frequencies. The frequency has to be divided by either 128 or 256,
@@ -585,32 +640,204 @@ static const unsigned int pwm_freq[8] = {
750000,
};
-static int it87_probe(struct platform_device *pdev);
-static int it87_remove(struct platform_device *pdev);
+/*
+ * Must be called with data->update_lock held, except during initialization.
+ * We ignore the IT87 BUSY flag at this moment - it could lead to deadlocks,
+ * would slow down the IT87 access and should not be necessary.
+ */
+static int it87_read_value(struct it87_data *data, u8 reg)
+{
+ outb_p(reg, data->addr + IT87_ADDR_REG_OFFSET);
+ return inb_p(data->addr + IT87_DATA_REG_OFFSET);
+}
-static int it87_read_value(struct it87_data *data, u8 reg);
-static void it87_write_value(struct it87_data *data, u8 reg, u8 value);
-static struct it87_data *it87_update_device(struct device *dev);
-static int it87_check_pwm(struct device *dev);
-static void it87_init_device(struct platform_device *pdev);
+/*
+ * Must be called with data->update_lock held, except during initialization.
+ * We ignore the IT87 BUSY flag at this moment - it could lead to deadlocks,
+ * would slow down the IT87 access and should not be necessary.
+ */
+static void it87_write_value(struct it87_data *data, u8 reg, u8 value)
+{
+ outb_p(reg, data->addr + IT87_ADDR_REG_OFFSET);
+ outb_p(value, data->addr + IT87_DATA_REG_OFFSET);
+}
+static void it87_update_pwm_ctrl(struct it87_data *data, int nr)
+{
+ data->pwm_ctrl[nr] = it87_read_value(data, IT87_REG_PWM[nr]);
+ if (has_newer_autopwm(data)) {
+ data->pwm_temp_map[nr] = data->pwm_ctrl[nr] & 0x03;
+ data->pwm_duty[nr] = it87_read_value(data,
+ IT87_REG_PWM_DUTY[nr]);
+ } else {
+ if (data->pwm_ctrl[nr] & 0x80) /* Automatic mode */
+ data->pwm_temp_map[nr] = data->pwm_ctrl[nr] & 0x03;
+ else /* Manual mode */
+ data->pwm_duty[nr] = data->pwm_ctrl[nr] & 0x7f;
+ }
-static struct platform_driver it87_driver = {
- .driver = {
- .name = DRVNAME,
- },
- .probe = it87_probe,
- .remove = it87_remove,
-};
+ if (has_old_autopwm(data)) {
+ int i;
+
+ for (i = 0; i < 5 ; i++)
+ data->auto_temp[nr][i] = it87_read_value(data,
+ IT87_REG_AUTO_TEMP(nr, i));
+ for (i = 0; i < 3 ; i++)
+ data->auto_pwm[nr][i] = it87_read_value(data,
+ IT87_REG_AUTO_PWM(nr, i));
+ } else if (has_newer_autopwm(data)) {
+ int i;
+
+ /*
+ * 0: temperature hysteresis (base + 5)
+ * 1: fan off temperature (base + 0)
+ * 2: fan start temperature (base + 1)
+ * 3: fan max temperature (base + 2)
+ */
+ data->auto_temp[nr][0] =
+ it87_read_value(data, IT87_REG_AUTO_TEMP(nr, 5));
+
+ for (i = 0; i < 3 ; i++)
+ data->auto_temp[nr][i + 1] =
+ it87_read_value(data,
+ IT87_REG_AUTO_TEMP(nr, i));
+ /*
+ * 0: start pwm value (base + 3)
+ * 1: pwm slope (base + 4, 1/8th pwm)
+ */
+ data->auto_pwm[nr][0] =
+ it87_read_value(data, IT87_REG_AUTO_TEMP(nr, 3));
+ data->auto_pwm[nr][1] =
+ it87_read_value(data, IT87_REG_AUTO_TEMP(nr, 4));
+ }
+}
+
+static struct it87_data *it87_update_device(struct device *dev)
+{
+ struct it87_data *data = dev_get_drvdata(dev);
+ int i;
+
+ mutex_lock(&data->update_lock);
+
+ if (time_after(jiffies, data->last_updated + HZ + HZ / 2) ||
+ !data->valid) {
+ if (update_vbat) {
+ /*
+ * Cleared after each update, so reenable. Value
+ * returned by this read will be previous value
+ */
+ it87_write_value(data, IT87_REG_CONFIG,
+ it87_read_value(data, IT87_REG_CONFIG) | 0x40);
+ }
+ for (i = 0; i < NUM_VIN; i++) {
+ if (!(data->has_in & BIT(i)))
+ continue;
+
+ data->in[i][0] =
+ it87_read_value(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));
+ }
+
+ for (i = 0; i < NUM_FAN; i++) {
+ /* Skip disabled fans */
+ if (!(data->has_fan & BIT(i)))
+ continue;
+
+ data->fan[i][1] =
+ it87_read_value(data, IT87_REG_FAN_MIN[i]);
+ data->fan[i][0] = it87_read_value(data,
+ IT87_REG_FAN[i]);
+ /* Add high byte if in 16-bit mode */
+ if (has_16bit_fans(data)) {
+ data->fan[i][0] |= it87_read_value(data,
+ IT87_REG_FANX[i]) << 8;
+ data->fan[i][1] |= it87_read_value(data,
+ IT87_REG_FANX_MIN[i]) << 8;
+ }
+ }
+ for (i = 0; i < NUM_TEMP; i++) {
+ if (!(data->has_temp & BIT(i)))
+ continue;
+ data->temp[i][0] =
+ it87_read_value(data, IT87_REG_TEMP(i));
+
+ if (has_temp_offset(data) && i < NUM_TEMP_OFFSET)
+ data->temp[i][3] =
+ it87_read_value(data,
+ IT87_REG_TEMP_OFFSET[i]);
+
+ if (i >= NUM_TEMP_LIMIT)
+ continue;
+
+ data->temp[i][1] =
+ it87_read_value(data, IT87_REG_TEMP_LOW(i));
+ data->temp[i][2] =
+ it87_read_value(data, IT87_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);
+ data->fan_div[0] = i & 0x07;
+ data->fan_div[1] = (i >> 3) & 0x07;
+ data->fan_div[2] = (i & 0x40) ? 3 : 1;
+ }
+
+ data->alarms =
+ it87_read_value(data, IT87_REG_ALARM1) |
+ (it87_read_value(data, IT87_REG_ALARM2) << 8) |
+ (it87_read_value(data, IT87_REG_ALARM3) << 16);
+ data->beeps = it87_read_value(data, IT87_REG_BEEP_ENABLE);
+
+ data->fan_main_ctrl = it87_read_value(data,
+ IT87_REG_FAN_MAIN_CTRL);
+ data->fan_ctl = it87_read_value(data, IT87_REG_FAN_CTL);
+ for (i = 0; i < NUM_PWM; i++) {
+ if (!(data->has_pwm & BIT(i)))
+ continue;
+ it87_update_pwm_ctrl(data, i);
+ }
+
+ data->sensor = it87_read_value(data, IT87_REG_TEMP_ENABLE);
+ data->extra = it87_read_value(data, IT87_REG_TEMP_EXTRA);
+ /*
+ * The IT8705F does not have VID capability.
+ * The IT8718F and later don't use IT87_REG_VID for the
+ * same purpose.
+ */
+ if (data->type == it8712 || data->type == it8716) {
+ data->vid = it87_read_value(data, IT87_REG_VID);
+ /*
+ * The older IT8712F revisions had only 5 VID pins,
+ * but we assume it is always safe to read 6 bits.
+ */
+ data->vid &= 0x3f;
+ }
+ data->last_updated = jiffies;
+ data->valid = 1;
+ }
+
+ mutex_unlock(&data->update_lock);
+
+ return data;
+}
static ssize_t show_in(struct device *dev, struct device_attribute *attr,
char *buf)
{
struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr);
- int nr = sattr->nr;
+ struct it87_data *data = it87_update_device(dev);
int index = sattr->index;
+ int nr = sattr->nr;
- struct it87_data *data = it87_update_device(dev);
return sprintf(buf, "%d\n", in_from_reg(data, nr, data->in[nr][index]));
}
@@ -618,10 +845,9 @@ static ssize_t set_in(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr);
- int nr = sattr->nr;
- int index = sattr->index;
-
struct it87_data *data = dev_get_drvdata(dev);
+ int index = sattr->index;
+ int nr = sattr->nr;
unsigned long val;
if (kstrtoul(buf, 10, &val) < 0)
@@ -687,8 +913,11 @@ static SENSOR_DEVICE_ATTR_2(in7_max, S_IRUGO | S_IWUSR, show_in, set_in,
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);
-/* 3 temperatures */
+/* Up to 6 temperatures */
static ssize_t show_temp(struct device *dev, struct device_attribute *attr,
char *buf)
{
@@ -761,6 +990,9 @@ 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(temp5_input, S_IRUGO, show_temp, NULL, 4, 0);
+static SENSOR_DEVICE_ATTR_2(temp6_input, S_IRUGO, show_temp, NULL, 5, 0);
static ssize_t show_temp_type(struct device *dev, struct device_attribute *attr,
char *buf)
@@ -771,8 +1003,8 @@ static ssize_t show_temp_type(struct device *dev, struct device_attribute *attr,
u8 reg = data->sensor; /* In case value is updated while used */
u8 extra = data->extra;
- if ((has_temp_peci(data, nr) && (reg >> 6 == nr + 1))
- || (has_temp_old_peci(data, nr) && (extra & 0x80)))
+ if ((has_temp_peci(data, nr) && (reg >> 6 == nr + 1)) ||
+ (has_temp_old_peci(data, nr) && (extra & 0x80)))
return sprintf(buf, "6\n"); /* Intel PECI */
if (reg & (1 << nr))
return sprintf(buf, "3\n"); /* thermal diode */
@@ -837,18 +1069,19 @@ static SENSOR_DEVICE_ATTR(temp2_type, S_IRUGO | S_IWUSR, show_temp_type,
static SENSOR_DEVICE_ATTR(temp3_type, S_IRUGO | S_IWUSR, show_temp_type,
set_temp_type, 2);
-/* 3 Fans */
+/* 6 Fans */
static int pwm_mode(const struct it87_data *data, int nr)
{
- int ctrl = data->fan_main_ctrl & (1 << nr);
-
- if (ctrl == 0 && data->type != it8603) /* Full speed */
- return 0;
- if (data->pwm_ctrl[nr] & 0x80) /* Automatic mode */
- return 2;
- else /* Manual mode */
- return 1;
+ if (data->type != it8603 && nr < 3 && !(data->fan_main_ctrl & BIT(nr)))
+ return 0; /* Full speed */
+ if (data->pwm_ctrl[nr] & 0x80)
+ return 2; /* Automatic mode */
+ if ((data->type == it8603 || nr >= 3) &&
+ data->pwm_duty[nr] == pwm_to_reg(data, 0xff))
+ return 0; /* Full speed */
+
+ return 1; /* Manual mode */
}
static ssize_t show_fan(struct device *dev, struct device_attribute *attr,
@@ -868,39 +1101,49 @@ static ssize_t show_fan(struct device *dev, struct device_attribute *attr,
}
static ssize_t show_fan_div(struct device *dev, struct device_attribute *attr,
- char *buf)
+ char *buf)
{
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
+ struct it87_data *data = it87_update_device(dev);
int nr = sensor_attr->index;
- struct it87_data *data = it87_update_device(dev);
- return sprintf(buf, "%d\n", DIV_FROM_REG(data->fan_div[nr]));
+ return sprintf(buf, "%lu\n", DIV_FROM_REG(data->fan_div[nr]));
}
+
static ssize_t show_pwm_enable(struct device *dev,
- struct device_attribute *attr, char *buf)
+ struct device_attribute *attr, char *buf)
{
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
+ struct it87_data *data = it87_update_device(dev);
int nr = sensor_attr->index;
- struct it87_data *data = it87_update_device(dev);
return sprintf(buf, "%d\n", pwm_mode(data, nr));
}
+
static ssize_t show_pwm(struct device *dev, struct device_attribute *attr,
- char *buf)
+ char *buf)
{
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
+ struct it87_data *data = it87_update_device(dev);
int nr = sensor_attr->index;
- struct it87_data *data = it87_update_device(dev);
return sprintf(buf, "%d\n",
pwm_from_reg(data, data->pwm_duty[nr]));
}
+
static ssize_t show_pwm_freq(struct device *dev, struct device_attribute *attr,
- char *buf)
+ char *buf)
{
+ struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
struct it87_data *data = it87_update_device(dev);
- int index = (data->fan_ctl >> 4) & 0x07;
+ int nr = sensor_attr->index;
unsigned int freq;
+ int index;
+
+ if (has_pwm_freq2(data) && nr == 1)
+ index = (data->extra >> 4) & 0x07;
+ else
+ index = (data->fan_ctl >> 4) & 0x07;
freq = pwm_freq[index] / (has_newer_autopwm(data) ? 256 : 128);
@@ -953,12 +1196,11 @@ static ssize_t set_fan(struct device *dev, struct device_attribute *attr,
}
static ssize_t set_fan_div(struct device *dev, struct device_attribute *attr,
- const char *buf, size_t count)
+ const char *buf, size_t count)
{
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
- int nr = sensor_attr->index;
-
struct it87_data *data = dev_get_drvdata(dev);
+ int nr = sensor_attr->index;
unsigned long val;
int min;
u8 old;
@@ -1013,6 +1255,11 @@ static int check_trip_points(struct device *dev, int nr)
if (data->auto_pwm[nr][i] > data->auto_pwm[nr][i + 1])
err = -EINVAL;
}
+ } else if (has_newer_autopwm(data)) {
+ for (i = 1; i < 3; i++) {
+ if (data->auto_temp[nr][i] > data->auto_temp[nr][i + 1])
+ err = -EINVAL;
+ }
}
if (err) {
@@ -1023,13 +1270,12 @@ static int check_trip_points(struct device *dev, int nr)
return err;
}
-static ssize_t set_pwm_enable(struct device *dev,
- struct device_attribute *attr, const char *buf, size_t count)
+static ssize_t set_pwm_enable(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
{
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
- int nr = sensor_attr->index;
-
struct it87_data *data = dev_get_drvdata(dev);
+ int nr = sensor_attr->index;
long val;
if (kstrtol(buf, 10, &val) < 0 || val < 0 || val > 2)
@@ -1041,21 +1287,30 @@ static ssize_t set_pwm_enable(struct device *dev,
return -EINVAL;
}
- /* IT8603E does not have on/off mode */
- if (val == 0 && data->type == it8603)
- return -EINVAL;
-
mutex_lock(&data->update_lock);
if (val == 0) {
- int tmp;
- /* make sure the fan is on when in on/off mode */
- tmp = it87_read_value(data, IT87_REG_FAN_CTL);
- it87_write_value(data, IT87_REG_FAN_CTL, tmp | (1 << nr));
- /* set on/off mode */
- data->fan_main_ctrl &= ~(1 << nr);
- it87_write_value(data, IT87_REG_FAN_MAIN_CTRL,
- data->fan_main_ctrl);
+ if (nr < 3 && data->type != it8603) {
+ int tmp;
+ /* make sure the fan is on when in on/off mode */
+ tmp = it87_read_value(data, IT87_REG_FAN_CTL);
+ it87_write_value(data, IT87_REG_FAN_CTL, tmp | BIT(nr));
+ /* set on/off mode */
+ data->fan_main_ctrl &= ~BIT(nr);
+ it87_write_value(data, IT87_REG_FAN_MAIN_CTRL,
+ data->fan_main_ctrl);
+ } else {
+ /* No on/off mode, set maximum pwm value */
+ data->pwm_duty[nr] = pwm_to_reg(data, 0xff);
+ it87_write_value(data, IT87_REG_PWM_DUTY[nr],
+ data->pwm_duty[nr]);
+ /* and set manual mode */
+ data->pwm_ctrl[nr] = has_newer_autopwm(data) ?
+ data->pwm_temp_map[nr] :
+ data->pwm_duty[nr];
+ it87_write_value(data, IT87_REG_PWM[nr],
+ data->pwm_ctrl[nr]);
+ }
} else {
if (val == 1) /* Manual mode */
data->pwm_ctrl[nr] = has_newer_autopwm(data) ?
@@ -1063,11 +1318,11 @@ static ssize_t set_pwm_enable(struct device *dev,
data->pwm_duty[nr];
else /* Automatic mode */
data->pwm_ctrl[nr] = 0x80 | data->pwm_temp_map[nr];
- it87_write_value(data, IT87_REG_PWM(nr), data->pwm_ctrl[nr]);
+ it87_write_value(data, IT87_REG_PWM[nr], data->pwm_ctrl[nr]);
- if (data->type != it8603) {
+ if (data->type != it8603 && nr < 3) {
/* set SmartGuardian mode */
- data->fan_main_ctrl |= (1 << nr);
+ data->fan_main_ctrl |= BIT(nr);
it87_write_value(data, IT87_REG_FAN_MAIN_CTRL,
data->fan_main_ctrl);
}
@@ -1076,13 +1331,13 @@ static ssize_t set_pwm_enable(struct device *dev,
mutex_unlock(&data->update_lock);
return count;
}
+
static ssize_t set_pwm(struct device *dev, struct device_attribute *attr,
- const char *buf, size_t count)
+ const char *buf, size_t count)
{
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
- int nr = sensor_attr->index;
-
struct it87_data *data = dev_get_drvdata(dev);
+ int nr = sensor_attr->index;
long val;
if (kstrtol(buf, 10, &val) < 0 || val < 0 || val > 255)
@@ -1099,7 +1354,7 @@ static ssize_t set_pwm(struct device *dev, struct device_attribute *attr,
return -EBUSY;
}
data->pwm_duty[nr] = pwm_to_reg(data, val);
- it87_write_value(data, IT87_REG_PWM_DUTY(nr),
+ it87_write_value(data, IT87_REG_PWM_DUTY[nr],
data->pwm_duty[nr]);
} else {
data->pwm_duty[nr] = pwm_to_reg(data, val);
@@ -1109,17 +1364,20 @@ static ssize_t set_pwm(struct device *dev, struct device_attribute *attr,
*/
if (!(data->pwm_ctrl[nr] & 0x80)) {
data->pwm_ctrl[nr] = data->pwm_duty[nr];
- it87_write_value(data, IT87_REG_PWM(nr),
+ it87_write_value(data, IT87_REG_PWM[nr],
data->pwm_ctrl[nr]);
}
}
mutex_unlock(&data->update_lock);
return count;
}
-static ssize_t set_pwm_freq(struct device *dev,
- struct device_attribute *attr, const char *buf, size_t count)
+
+static ssize_t set_pwm_freq(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
{
+ struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
struct it87_data *data = dev_get_drvdata(dev);
+ int nr = sensor_attr->index;
unsigned long val;
int i;
@@ -1131,63 +1389,66 @@ static ssize_t set_pwm_freq(struct device *dev,
/* Search for the nearest available frequency */
for (i = 0; i < 7; i++) {
- if (val > (pwm_freq[i] + pwm_freq[i+1]) / 2)
+ if (val > (pwm_freq[i] + pwm_freq[i + 1]) / 2)
break;
}
mutex_lock(&data->update_lock);
- data->fan_ctl = it87_read_value(data, IT87_REG_FAN_CTL) & 0x8f;
- data->fan_ctl |= i << 4;
- it87_write_value(data, IT87_REG_FAN_CTL, data->fan_ctl);
+ if (nr == 0) {
+ data->fan_ctl = it87_read_value(data, IT87_REG_FAN_CTL) & 0x8f;
+ data->fan_ctl |= i << 4;
+ it87_write_value(data, IT87_REG_FAN_CTL, data->fan_ctl);
+ } else {
+ data->extra = it87_read_value(data, IT87_REG_TEMP_EXTRA) & 0x8f;
+ data->extra |= i << 4;
+ it87_write_value(data, IT87_REG_TEMP_EXTRA, data->extra);
+ }
mutex_unlock(&data->update_lock);
return count;
}
+
static ssize_t show_pwm_temp_map(struct device *dev,
- struct device_attribute *attr, char *buf)
+ struct device_attribute *attr, char *buf)
{
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
- int nr = sensor_attr->index;
-
struct it87_data *data = it87_update_device(dev);
+ int nr = sensor_attr->index;
int map;
- if (data->pwm_temp_map[nr] < 3)
- map = 1 << data->pwm_temp_map[nr];
- else
- map = 0; /* Should never happen */
- return sprintf(buf, "%d\n", map);
+ map = data->pwm_temp_map[nr];
+ if (map >= 3)
+ map = 0; /* Should never happen */
+ if (nr >= 3) /* pwm channels 3..6 map to temp4..6 */
+ map += 3;
+
+ return sprintf(buf, "%d\n", (int)BIT(map));
}
+
static ssize_t set_pwm_temp_map(struct device *dev,
- struct device_attribute *attr, const char *buf, size_t count)
+ struct device_attribute *attr, const char *buf,
+ size_t count)
{
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
- int nr = sensor_attr->index;
-
struct it87_data *data = dev_get_drvdata(dev);
+ int nr = sensor_attr->index;
long val;
u8 reg;
- /*
- * This check can go away if we ever support automatic fan speed
- * control on newer chips.
- */
- if (!has_old_autopwm(data)) {
- dev_notice(dev, "Mapping change disabled for safety reasons\n");
- return -EINVAL;
- }
-
if (kstrtol(buf, 10, &val) < 0)
return -EINVAL;
+ if (nr >= 3)
+ val -= 3;
+
switch (val) {
- case (1 << 0):
+ case BIT(0):
reg = 0x00;
break;
- case (1 << 1):
+ case BIT(1):
reg = 0x01;
break;
- case (1 << 2):
+ case BIT(2):
reg = 0x02;
break;
default:
@@ -1202,14 +1463,14 @@ static ssize_t set_pwm_temp_map(struct device *dev,
*/
if (data->pwm_ctrl[nr] & 0x80) {
data->pwm_ctrl[nr] = 0x80 | data->pwm_temp_map[nr];
- it87_write_value(data, IT87_REG_PWM(nr), data->pwm_ctrl[nr]);
+ it87_write_value(data, IT87_REG_PWM[nr], data->pwm_ctrl[nr]);
}
mutex_unlock(&data->update_lock);
return count;
}
-static ssize_t show_auto_pwm(struct device *dev,
- struct device_attribute *attr, char *buf)
+static ssize_t show_auto_pwm(struct device *dev, struct device_attribute *attr,
+ char *buf)
{
struct it87_data *data = it87_update_device(dev);
struct sensor_device_attribute_2 *sensor_attr =
@@ -1221,14 +1482,15 @@ static ssize_t show_auto_pwm(struct device *dev,
pwm_from_reg(data, data->auto_pwm[nr][point]));
}
-static ssize_t set_auto_pwm(struct device *dev,
- struct device_attribute *attr, const char *buf, size_t count)
+static ssize_t set_auto_pwm(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
{
struct it87_data *data = dev_get_drvdata(dev);
struct sensor_device_attribute_2 *sensor_attr =
to_sensor_dev_attr_2(attr);
int nr = sensor_attr->nr;
int point = sensor_attr->index;
+ int regaddr;
long val;
if (kstrtol(buf, 10, &val) < 0 || val < 0 || val > 255)
@@ -1236,26 +1498,65 @@ static ssize_t set_auto_pwm(struct device *dev,
mutex_lock(&data->update_lock);
data->auto_pwm[nr][point] = pwm_to_reg(data, val);
- it87_write_value(data, IT87_REG_AUTO_PWM(nr, point),
- data->auto_pwm[nr][point]);
+ if (has_newer_autopwm(data))
+ regaddr = IT87_REG_AUTO_TEMP(nr, 3);
+ else
+ regaddr = IT87_REG_AUTO_PWM(nr, point);
+ it87_write_value(data, regaddr, data->auto_pwm[nr][point]);
mutex_unlock(&data->update_lock);
return count;
}
-static ssize_t show_auto_temp(struct device *dev,
- struct device_attribute *attr, char *buf)
+static ssize_t show_auto_pwm_slope(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct it87_data *data = it87_update_device(dev);
+ struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
+ int nr = sensor_attr->index;
+
+ return sprintf(buf, "%d\n", data->auto_pwm[nr][1] & 0x7f);
+}
+
+static ssize_t set_auto_pwm_slope(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct it87_data *data = dev_get_drvdata(dev);
+ struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
+ int nr = sensor_attr->index;
+ unsigned long val;
+
+ if (kstrtoul(buf, 10, &val) < 0 || val > 127)
+ return -EINVAL;
+
+ mutex_lock(&data->update_lock);
+ data->auto_pwm[nr][1] = (data->auto_pwm[nr][1] & 0x80) | val;
+ it87_write_value(data, IT87_REG_AUTO_TEMP(nr, 4),
+ data->auto_pwm[nr][1]);
+ mutex_unlock(&data->update_lock);
+ return count;
+}
+
+static ssize_t show_auto_temp(struct device *dev, struct device_attribute *attr,
+ char *buf)
{
struct it87_data *data = it87_update_device(dev);
struct sensor_device_attribute_2 *sensor_attr =
to_sensor_dev_attr_2(attr);
int nr = sensor_attr->nr;
int point = sensor_attr->index;
+ int reg;
+
+ if (has_old_autopwm(data) || point)
+ reg = data->auto_temp[nr][point];
+ else
+ reg = data->auto_temp[nr][1] - (data->auto_temp[nr][0] & 0x1f);
- return sprintf(buf, "%d\n", TEMP_FROM_REG(data->auto_temp[nr][point]));
+ return sprintf(buf, "%d\n", TEMP_FROM_REG(reg));
}
-static ssize_t set_auto_temp(struct device *dev,
- struct device_attribute *attr, const char *buf, size_t count)
+static ssize_t set_auto_temp(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
{
struct it87_data *data = dev_get_drvdata(dev);
struct sensor_device_attribute_2 *sensor_attr =
@@ -1263,14 +1564,24 @@ static ssize_t set_auto_temp(struct device *dev,
int nr = sensor_attr->nr;
int point = sensor_attr->index;
long val;
+ int reg;
if (kstrtol(buf, 10, &val) < 0 || val < -128000 || val > 127000)
return -EINVAL;
mutex_lock(&data->update_lock);
- data->auto_temp[nr][point] = TEMP_TO_REG(val);
- it87_write_value(data, IT87_REG_AUTO_TEMP(nr, point),
- data->auto_temp[nr][point]);
+ if (has_newer_autopwm(data) && !point) {
+ reg = data->auto_temp[nr][1] - TEMP_TO_REG(val);
+ reg = clamp_val(reg, 0, 0x1f) | (data->auto_temp[nr][0] & 0xe0);
+ data->auto_temp[nr][0] = reg;
+ it87_write_value(data, IT87_REG_AUTO_TEMP(nr, 5), reg);
+ } else {
+ reg = TEMP_TO_REG(val);
+ data->auto_temp[nr][point] = reg;
+ if (has_newer_autopwm(data))
+ point--;
+ it87_write_value(data, IT87_REG_AUTO_TEMP(nr, point), reg);
+ }
mutex_unlock(&data->update_lock);
return count;
}
@@ -1308,8 +1619,9 @@ static SENSOR_DEVICE_ATTR_2(fan6_min, S_IRUGO | S_IWUSR, show_fan, set_fan,
static SENSOR_DEVICE_ATTR(pwm1_enable, S_IRUGO | S_IWUSR,
show_pwm_enable, set_pwm_enable, 0);
static SENSOR_DEVICE_ATTR(pwm1, S_IRUGO | S_IWUSR, show_pwm, set_pwm, 0);
-static DEVICE_ATTR(pwm1_freq, S_IRUGO | S_IWUSR, show_pwm_freq, set_pwm_freq);
-static SENSOR_DEVICE_ATTR(pwm1_auto_channels_temp, S_IRUGO | S_IWUSR,
+static SENSOR_DEVICE_ATTR(pwm1_freq, S_IRUGO | S_IWUSR, show_pwm_freq,
+ set_pwm_freq, 0);
+static SENSOR_DEVICE_ATTR(pwm1_auto_channels_temp, S_IRUGO,
show_pwm_temp_map, set_pwm_temp_map, 0);
static SENSOR_DEVICE_ATTR_2(pwm1_auto_point1_pwm, S_IRUGO | S_IWUSR,
show_auto_pwm, set_auto_pwm, 0, 0);
@@ -1329,12 +1641,16 @@ static SENSOR_DEVICE_ATTR_2(pwm1_auto_point3_temp, S_IRUGO | S_IWUSR,
show_auto_temp, set_auto_temp, 0, 3);
static SENSOR_DEVICE_ATTR_2(pwm1_auto_point4_temp, S_IRUGO | S_IWUSR,
show_auto_temp, set_auto_temp, 0, 4);
+static SENSOR_DEVICE_ATTR_2(pwm1_auto_start, S_IRUGO | S_IWUSR,
+ show_auto_pwm, set_auto_pwm, 0, 0);
+static SENSOR_DEVICE_ATTR(pwm1_auto_slope, S_IRUGO | S_IWUSR,
+ show_auto_pwm_slope, set_auto_pwm_slope, 0);
static SENSOR_DEVICE_ATTR(pwm2_enable, S_IRUGO | S_IWUSR,
show_pwm_enable, set_pwm_enable, 1);
static SENSOR_DEVICE_ATTR(pwm2, S_IRUGO | S_IWUSR, show_pwm, set_pwm, 1);
-static DEVICE_ATTR(pwm2_freq, S_IRUGO, show_pwm_freq, NULL);
-static SENSOR_DEVICE_ATTR(pwm2_auto_channels_temp, S_IRUGO | S_IWUSR,
+static SENSOR_DEVICE_ATTR(pwm2_freq, S_IRUGO, show_pwm_freq, set_pwm_freq, 1);
+static SENSOR_DEVICE_ATTR(pwm2_auto_channels_temp, S_IRUGO,
show_pwm_temp_map, set_pwm_temp_map, 1);
static SENSOR_DEVICE_ATTR_2(pwm2_auto_point1_pwm, S_IRUGO | S_IWUSR,
show_auto_pwm, set_auto_pwm, 1, 0);
@@ -1354,12 +1670,16 @@ static SENSOR_DEVICE_ATTR_2(pwm2_auto_point3_temp, S_IRUGO | S_IWUSR,
show_auto_temp, set_auto_temp, 1, 3);
static SENSOR_DEVICE_ATTR_2(pwm2_auto_point4_temp, S_IRUGO | S_IWUSR,
show_auto_temp, set_auto_temp, 1, 4);
+static SENSOR_DEVICE_ATTR_2(pwm2_auto_start, S_IRUGO | S_IWUSR,
+ show_auto_pwm, set_auto_pwm, 1, 0);
+static SENSOR_DEVICE_ATTR(pwm2_auto_slope, S_IRUGO | S_IWUSR,
+ show_auto_pwm_slope, set_auto_pwm_slope, 1);
static SENSOR_DEVICE_ATTR(pwm3_enable, S_IRUGO | S_IWUSR,
show_pwm_enable, set_pwm_enable, 2);
static SENSOR_DEVICE_ATTR(pwm3, S_IRUGO | S_IWUSR, show_pwm, set_pwm, 2);
-static DEVICE_ATTR(pwm3_freq, S_IRUGO, show_pwm_freq, NULL);
-static SENSOR_DEVICE_ATTR(pwm3_auto_channels_temp, S_IRUGO | S_IWUSR,
+static SENSOR_DEVICE_ATTR(pwm3_freq, S_IRUGO, show_pwm_freq, NULL, 2);
+static SENSOR_DEVICE_ATTR(pwm3_auto_channels_temp, S_IRUGO,
show_pwm_temp_map, set_pwm_temp_map, 2);
static SENSOR_DEVICE_ATTR_2(pwm3_auto_point1_pwm, S_IRUGO | S_IWUSR,
show_auto_pwm, set_auto_pwm, 2, 0);
@@ -1379,30 +1699,94 @@ static SENSOR_DEVICE_ATTR_2(pwm3_auto_point3_temp, S_IRUGO | S_IWUSR,
show_auto_temp, set_auto_temp, 2, 3);
static SENSOR_DEVICE_ATTR_2(pwm3_auto_point4_temp, S_IRUGO | S_IWUSR,
show_auto_temp, set_auto_temp, 2, 4);
+static SENSOR_DEVICE_ATTR_2(pwm3_auto_start, S_IRUGO | S_IWUSR,
+ show_auto_pwm, set_auto_pwm, 2, 0);
+static SENSOR_DEVICE_ATTR(pwm3_auto_slope, S_IRUGO | S_IWUSR,
+ show_auto_pwm_slope, set_auto_pwm_slope, 2);
+
+static SENSOR_DEVICE_ATTR(pwm4_enable, S_IRUGO | S_IWUSR,
+ show_pwm_enable, set_pwm_enable, 3);
+static SENSOR_DEVICE_ATTR(pwm4, S_IRUGO | S_IWUSR, show_pwm, set_pwm, 3);
+static SENSOR_DEVICE_ATTR(pwm4_freq, S_IRUGO, show_pwm_freq, NULL, 3);
+static SENSOR_DEVICE_ATTR(pwm4_auto_channels_temp, S_IRUGO,
+ show_pwm_temp_map, set_pwm_temp_map, 3);
+static SENSOR_DEVICE_ATTR_2(pwm4_auto_point1_temp, S_IRUGO | S_IWUSR,
+ show_auto_temp, set_auto_temp, 2, 1);
+static SENSOR_DEVICE_ATTR_2(pwm4_auto_point1_temp_hyst, S_IRUGO | S_IWUSR,
+ show_auto_temp, set_auto_temp, 2, 0);
+static SENSOR_DEVICE_ATTR_2(pwm4_auto_point2_temp, S_IRUGO | S_IWUSR,
+ show_auto_temp, set_auto_temp, 2, 2);
+static SENSOR_DEVICE_ATTR_2(pwm4_auto_point3_temp, S_IRUGO | S_IWUSR,
+ show_auto_temp, set_auto_temp, 2, 3);
+static SENSOR_DEVICE_ATTR_2(pwm4_auto_start, S_IRUGO | S_IWUSR,
+ show_auto_pwm, set_auto_pwm, 3, 0);
+static SENSOR_DEVICE_ATTR(pwm4_auto_slope, S_IRUGO | S_IWUSR,
+ show_auto_pwm_slope, set_auto_pwm_slope, 3);
+
+static SENSOR_DEVICE_ATTR(pwm5_enable, S_IRUGO | S_IWUSR,
+ show_pwm_enable, set_pwm_enable, 4);
+static SENSOR_DEVICE_ATTR(pwm5, S_IRUGO | S_IWUSR, show_pwm, set_pwm, 4);
+static SENSOR_DEVICE_ATTR(pwm5_freq, S_IRUGO, show_pwm_freq, NULL, 4);
+static SENSOR_DEVICE_ATTR(pwm5_auto_channels_temp, S_IRUGO,
+ show_pwm_temp_map, set_pwm_temp_map, 4);
+static SENSOR_DEVICE_ATTR_2(pwm5_auto_point1_temp, S_IRUGO | S_IWUSR,
+ show_auto_temp, set_auto_temp, 2, 1);
+static SENSOR_DEVICE_ATTR_2(pwm5_auto_point1_temp_hyst, S_IRUGO | S_IWUSR,
+ show_auto_temp, set_auto_temp, 2, 0);
+static SENSOR_DEVICE_ATTR_2(pwm5_auto_point2_temp, S_IRUGO | S_IWUSR,
+ show_auto_temp, set_auto_temp, 2, 2);
+static SENSOR_DEVICE_ATTR_2(pwm5_auto_point3_temp, S_IRUGO | S_IWUSR,
+ show_auto_temp, set_auto_temp, 2, 3);
+static SENSOR_DEVICE_ATTR_2(pwm5_auto_start, S_IRUGO | S_IWUSR,
+ show_auto_pwm, set_auto_pwm, 4, 0);
+static SENSOR_DEVICE_ATTR(pwm5_auto_slope, S_IRUGO | S_IWUSR,
+ show_auto_pwm_slope, set_auto_pwm_slope, 4);
+
+static SENSOR_DEVICE_ATTR(pwm6_enable, S_IRUGO | S_IWUSR,
+ show_pwm_enable, set_pwm_enable, 5);
+static SENSOR_DEVICE_ATTR(pwm6, S_IRUGO | S_IWUSR, show_pwm, set_pwm, 5);
+static SENSOR_DEVICE_ATTR(pwm6_freq, S_IRUGO, show_pwm_freq, NULL, 5);
+static SENSOR_DEVICE_ATTR(pwm6_auto_channels_temp, S_IRUGO,
+ show_pwm_temp_map, set_pwm_temp_map, 5);
+static SENSOR_DEVICE_ATTR_2(pwm6_auto_point1_temp, S_IRUGO | S_IWUSR,
+ show_auto_temp, set_auto_temp, 2, 1);
+static SENSOR_DEVICE_ATTR_2(pwm6_auto_point1_temp_hyst, S_IRUGO | S_IWUSR,
+ show_auto_temp, set_auto_temp, 2, 0);
+static SENSOR_DEVICE_ATTR_2(pwm6_auto_point2_temp, S_IRUGO | S_IWUSR,
+ show_auto_temp, set_auto_temp, 2, 2);
+static SENSOR_DEVICE_ATTR_2(pwm6_auto_point3_temp, S_IRUGO | S_IWUSR,
+ show_auto_temp, set_auto_temp, 2, 3);
+static SENSOR_DEVICE_ATTR_2(pwm6_auto_start, S_IRUGO | S_IWUSR,
+ show_auto_pwm, set_auto_pwm, 5, 0);
+static SENSOR_DEVICE_ATTR(pwm6_auto_slope, S_IRUGO | S_IWUSR,
+ show_auto_pwm_slope, set_auto_pwm_slope, 5);
/* Alarms */
static ssize_t show_alarms(struct device *dev, struct device_attribute *attr,
- char *buf)
+ char *buf)
{
struct it87_data *data = it87_update_device(dev);
+
return sprintf(buf, "%u\n", data->alarms);
}
static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL);
static ssize_t show_alarm(struct device *dev, struct device_attribute *attr,
- char *buf)
+ char *buf)
{
- int bitnr = to_sensor_dev_attr(attr)->index;
struct it87_data *data = it87_update_device(dev);
+ int bitnr = to_sensor_dev_attr(attr)->index;
+
return sprintf(buf, "%u\n", (data->alarms >> bitnr) & 1);
}
-static ssize_t clear_intrusion(struct device *dev, struct device_attribute
- *attr, const char *buf, size_t count)
+static ssize_t clear_intrusion(struct device *dev,
+ struct device_attribute *attr, const char *buf,
+ size_t count)
{
struct it87_data *data = dev_get_drvdata(dev);
- long val;
int config;
+ long val;
if (kstrtol(buf, 10, &val) < 0 || val != 0)
return -EINVAL;
@@ -1412,7 +1796,7 @@ static ssize_t clear_intrusion(struct device *dev, struct device_attribute
if (config < 0) {
count = config;
} else {
- config |= 1 << 5;
+ config |= BIT(5);
it87_write_value(data, IT87_REG_CONFIG, config);
/* Invalidate cache to force re-read */
data->valid = 0;
@@ -1443,29 +1827,30 @@ static SENSOR_DEVICE_ATTR(intrusion0_alarm, S_IRUGO | S_IWUSR,
show_alarm, clear_intrusion, 4);
static ssize_t show_beep(struct device *dev, struct device_attribute *attr,
- char *buf)
+ char *buf)
{
- int bitnr = to_sensor_dev_attr(attr)->index;
struct it87_data *data = it87_update_device(dev);
+ int bitnr = to_sensor_dev_attr(attr)->index;
+
return sprintf(buf, "%u\n", (data->beeps >> bitnr) & 1);
}
+
static ssize_t set_beep(struct device *dev, struct device_attribute *attr,
- const char *buf, size_t count)
+ const char *buf, size_t count)
{
int bitnr = to_sensor_dev_attr(attr)->index;
struct it87_data *data = dev_get_drvdata(dev);
long val;
- if (kstrtol(buf, 10, &val) < 0
- || (val != 0 && val != 1))
+ if (kstrtol(buf, 10, &val) < 0 || (val != 0 && val != 1))
return -EINVAL;
mutex_lock(&data->update_lock);
data->beeps = it87_read_value(data, IT87_REG_BEEP_ENABLE);
if (val)
- data->beeps |= (1 << bitnr);
+ data->beeps |= BIT(bitnr);
else
- data->beeps &= ~(1 << bitnr);
+ data->beeps &= ~BIT(bitnr);
it87_write_value(data, IT87_REG_BEEP_ENABLE, data->beeps);
mutex_unlock(&data->update_lock);
return count;
@@ -1493,13 +1878,15 @@ 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 ssize_t show_vrm_reg(struct device *dev, struct device_attribute *attr,
- char *buf)
+ char *buf)
{
struct it87_data *data = dev_get_drvdata(dev);
+
return sprintf(buf, "%u\n", data->vrm);
}
+
static ssize_t store_vrm_reg(struct device *dev, struct device_attribute *attr,
- const char *buf, size_t count)
+ const char *buf, size_t count)
{
struct it87_data *data = dev_get_drvdata(dev);
unsigned long val;
@@ -1514,15 +1901,16 @@ static ssize_t store_vrm_reg(struct device *dev, struct device_attribute *attr,
static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm_reg, store_vrm_reg);
static ssize_t show_vid_reg(struct device *dev, struct device_attribute *attr,
- char *buf)
+ char *buf)
{
struct it87_data *data = it87_update_device(dev);
- return sprintf(buf, "%ld\n", (long) vid_from_reg(data->vid, data->vrm));
+
+ return sprintf(buf, "%ld\n", (long)vid_from_reg(data->vid, data->vrm));
}
static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid_reg, NULL);
static ssize_t show_label(struct device *dev, struct device_attribute *attr,
- char *buf)
+ char *buf)
{
static const char * const labels[] = {
"+5V",
@@ -1548,227 +1936,348 @@ static ssize_t show_label(struct device *dev, struct device_attribute *attr,
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);
-/* special AVCC3 IT8603E in9 */
+/* AVCC3 */
static SENSOR_DEVICE_ATTR(in9_label, S_IRUGO, show_label, NULL, 0);
-static ssize_t show_name(struct device *dev, struct device_attribute
- *devattr, char *buf)
+static umode_t it87_in_is_visible(struct kobject *kobj,
+ struct attribute *attr, int index)
{
+ struct device *dev = container_of(kobj, struct device, kobj);
struct it87_data *data = dev_get_drvdata(dev);
- return sprintf(buf, "%s\n", data->name);
+ int i = index / 5; /* voltage index */
+ int a = index % 5; /* attribute index */
+
+ if (index >= 40) { /* in8 and higher only have input attributes */
+ i = index - 40 + 8;
+ a = 0;
+ }
+
+ if (!(data->has_in & BIT(i)))
+ return 0;
+
+ if (a == 4 && !data->has_beep)
+ return 0;
+
+ return attr->mode;
}
-static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
-static struct attribute *it87_attributes_in[10][5] = {
-{
+static struct attribute *it87_attributes_in[] = {
&sensor_dev_attr_in0_input.dev_attr.attr,
&sensor_dev_attr_in0_min.dev_attr.attr,
&sensor_dev_attr_in0_max.dev_attr.attr,
&sensor_dev_attr_in0_alarm.dev_attr.attr,
- NULL
-}, {
+ &sensor_dev_attr_in0_beep.dev_attr.attr, /* 4 */
+
&sensor_dev_attr_in1_input.dev_attr.attr,
&sensor_dev_attr_in1_min.dev_attr.attr,
&sensor_dev_attr_in1_max.dev_attr.attr,
&sensor_dev_attr_in1_alarm.dev_attr.attr,
- NULL
-}, {
+ &sensor_dev_attr_in1_beep.dev_attr.attr, /* 9 */
+
&sensor_dev_attr_in2_input.dev_attr.attr,
&sensor_dev_attr_in2_min.dev_attr.attr,
&sensor_dev_attr_in2_max.dev_attr.attr,
&sensor_dev_attr_in2_alarm.dev_attr.attr,
- NULL
-}, {
+ &sensor_dev_attr_in2_beep.dev_attr.attr, /* 14 */
+
&sensor_dev_attr_in3_input.dev_attr.attr,
&sensor_dev_attr_in3_min.dev_attr.attr,
&sensor_dev_attr_in3_max.dev_attr.attr,
&sensor_dev_attr_in3_alarm.dev_attr.attr,
- NULL
-}, {
+ &sensor_dev_attr_in3_beep.dev_attr.attr, /* 19 */
+
&sensor_dev_attr_in4_input.dev_attr.attr,
&sensor_dev_attr_in4_min.dev_attr.attr,
&sensor_dev_attr_in4_max.dev_attr.attr,
&sensor_dev_attr_in4_alarm.dev_attr.attr,
- NULL
-}, {
+ &sensor_dev_attr_in4_beep.dev_attr.attr, /* 24 */
+
&sensor_dev_attr_in5_input.dev_attr.attr,
&sensor_dev_attr_in5_min.dev_attr.attr,
&sensor_dev_attr_in5_max.dev_attr.attr,
&sensor_dev_attr_in5_alarm.dev_attr.attr,
- NULL
-}, {
+ &sensor_dev_attr_in5_beep.dev_attr.attr, /* 29 */
+
&sensor_dev_attr_in6_input.dev_attr.attr,
&sensor_dev_attr_in6_min.dev_attr.attr,
&sensor_dev_attr_in6_max.dev_attr.attr,
&sensor_dev_attr_in6_alarm.dev_attr.attr,
- NULL
-}, {
+ &sensor_dev_attr_in6_beep.dev_attr.attr, /* 34 */
+
&sensor_dev_attr_in7_input.dev_attr.attr,
&sensor_dev_attr_in7_min.dev_attr.attr,
&sensor_dev_attr_in7_max.dev_attr.attr,
&sensor_dev_attr_in7_alarm.dev_attr.attr,
- NULL
-}, {
- &sensor_dev_attr_in8_input.dev_attr.attr,
- NULL
-}, {
- &sensor_dev_attr_in9_input.dev_attr.attr,
- NULL
-} };
-
-static const struct attribute_group it87_group_in[10] = {
- { .attrs = it87_attributes_in[0] },
- { .attrs = it87_attributes_in[1] },
- { .attrs = it87_attributes_in[2] },
- { .attrs = it87_attributes_in[3] },
- { .attrs = it87_attributes_in[4] },
- { .attrs = it87_attributes_in[5] },
- { .attrs = it87_attributes_in[6] },
- { .attrs = it87_attributes_in[7] },
- { .attrs = it87_attributes_in[8] },
- { .attrs = it87_attributes_in[9] },
+ &sensor_dev_attr_in7_beep.dev_attr.attr, /* 39 */
+
+ &sensor_dev_attr_in8_input.dev_attr.attr, /* 40 */
+ &sensor_dev_attr_in9_input.dev_attr.attr, /* 41 */
+ &sensor_dev_attr_in10_input.dev_attr.attr, /* 41 */
+ &sensor_dev_attr_in11_input.dev_attr.attr, /* 41 */
+ &sensor_dev_attr_in12_input.dev_attr.attr, /* 41 */
};
-static struct attribute *it87_attributes_temp[3][6] = {
+static const struct attribute_group it87_group_in = {
+ .attrs = it87_attributes_in,
+ .is_visible = it87_in_is_visible,
+};
+
+static umode_t it87_temp_is_visible(struct kobject *kobj,
+ struct attribute *attr, int index)
{
+ struct device *dev = container_of(kobj, struct device, kobj);
+ struct it87_data *data = dev_get_drvdata(dev);
+ int i = index / 7; /* temperature index */
+ int a = index % 7; /* attribute index */
+
+ if (index >= 21) {
+ i = index - 21 + 3;
+ a = 0;
+ }
+
+ if (!(data->has_temp & BIT(i)))
+ return 0;
+
+ if (a == 5 && !has_temp_offset(data))
+ return 0;
+
+ if (a == 6 && !data->has_beep)
+ return 0;
+
+ return attr->mode;
+}
+
+static struct attribute *it87_attributes_temp[] = {
&sensor_dev_attr_temp1_input.dev_attr.attr,
&sensor_dev_attr_temp1_max.dev_attr.attr,
&sensor_dev_attr_temp1_min.dev_attr.attr,
&sensor_dev_attr_temp1_type.dev_attr.attr,
&sensor_dev_attr_temp1_alarm.dev_attr.attr,
- NULL
-} , {
- &sensor_dev_attr_temp2_input.dev_attr.attr,
+ &sensor_dev_attr_temp1_offset.dev_attr.attr, /* 5 */
+ &sensor_dev_attr_temp1_beep.dev_attr.attr, /* 6 */
+
+ &sensor_dev_attr_temp2_input.dev_attr.attr, /* 7 */
&sensor_dev_attr_temp2_max.dev_attr.attr,
&sensor_dev_attr_temp2_min.dev_attr.attr,
&sensor_dev_attr_temp2_type.dev_attr.attr,
&sensor_dev_attr_temp2_alarm.dev_attr.attr,
- NULL
-} , {
- &sensor_dev_attr_temp3_input.dev_attr.attr,
+ &sensor_dev_attr_temp2_offset.dev_attr.attr,
+ &sensor_dev_attr_temp2_beep.dev_attr.attr,
+
+ &sensor_dev_attr_temp3_input.dev_attr.attr, /* 14 */
&sensor_dev_attr_temp3_max.dev_attr.attr,
&sensor_dev_attr_temp3_min.dev_attr.attr,
&sensor_dev_attr_temp3_type.dev_attr.attr,
&sensor_dev_attr_temp3_alarm.dev_attr.attr,
- NULL
-} };
+ &sensor_dev_attr_temp3_offset.dev_attr.attr,
+ &sensor_dev_attr_temp3_beep.dev_attr.attr,
-static const struct attribute_group it87_group_temp[3] = {
- { .attrs = it87_attributes_temp[0] },
- { .attrs = it87_attributes_temp[1] },
- { .attrs = it87_attributes_temp[2] },
+ &sensor_dev_attr_temp4_input.dev_attr.attr, /* 21 */
+ &sensor_dev_attr_temp5_input.dev_attr.attr,
+ &sensor_dev_attr_temp6_input.dev_attr.attr,
+ NULL
};
-static struct attribute *it87_attributes_temp_offset[] = {
- &sensor_dev_attr_temp1_offset.dev_attr.attr,
- &sensor_dev_attr_temp2_offset.dev_attr.attr,
- &sensor_dev_attr_temp3_offset.dev_attr.attr,
+static const struct attribute_group it87_group_temp = {
+ .attrs = it87_attributes_temp,
+ .is_visible = it87_temp_is_visible,
};
+static umode_t it87_is_visible(struct kobject *kobj,
+ struct attribute *attr, int index)
+{
+ struct device *dev = container_of(kobj, struct device, kobj);
+ struct it87_data *data = dev_get_drvdata(dev);
+
+ if ((index == 2 || index == 3) && !data->has_vid)
+ return 0;
+
+ if (index > 3 && !(data->in_internal & BIT(index - 4)))
+ return 0;
+
+ return attr->mode;
+}
+
static struct attribute *it87_attributes[] = {
&dev_attr_alarms.attr,
&sensor_dev_attr_intrusion0_alarm.dev_attr.attr,
- &dev_attr_name.attr,
+ &dev_attr_vrm.attr, /* 2 */
+ &dev_attr_cpu0_vid.attr, /* 3 */
+ &sensor_dev_attr_in3_label.dev_attr.attr, /* 4 .. 7 */
+ &sensor_dev_attr_in7_label.dev_attr.attr,
+ &sensor_dev_attr_in8_label.dev_attr.attr,
+ &sensor_dev_attr_in9_label.dev_attr.attr,
NULL
};
static const struct attribute_group it87_group = {
.attrs = it87_attributes,
+ .is_visible = it87_is_visible,
};
-static struct attribute *it87_attributes_in_beep[] = {
- &sensor_dev_attr_in0_beep.dev_attr.attr,
- &sensor_dev_attr_in1_beep.dev_attr.attr,
- &sensor_dev_attr_in2_beep.dev_attr.attr,
- &sensor_dev_attr_in3_beep.dev_attr.attr,
- &sensor_dev_attr_in4_beep.dev_attr.attr,
- &sensor_dev_attr_in5_beep.dev_attr.attr,
- &sensor_dev_attr_in6_beep.dev_attr.attr,
- &sensor_dev_attr_in7_beep.dev_attr.attr,
- NULL,
- NULL,
-};
+static umode_t it87_fan_is_visible(struct kobject *kobj,
+ struct attribute *attr, int index)
+{
+ struct device *dev = container_of(kobj, struct device, kobj);
+ struct it87_data *data = dev_get_drvdata(dev);
+ int i = index / 5; /* fan index */
+ int a = index % 5; /* attribute index */
-static struct attribute *it87_attributes_temp_beep[] = {
- &sensor_dev_attr_temp1_beep.dev_attr.attr,
- &sensor_dev_attr_temp2_beep.dev_attr.attr,
- &sensor_dev_attr_temp3_beep.dev_attr.attr,
-};
+ if (index >= 15) { /* fan 4..6 don't have divisor attributes */
+ i = (index - 15) / 4 + 3;
+ a = (index - 15) % 4;
+ }
-static struct attribute *it87_attributes_fan[6][3+1] = { {
+ if (!(data->has_fan & BIT(i)))
+ return 0;
+
+ if (a == 3) { /* beep */
+ if (!data->has_beep)
+ return 0;
+ /* first fan beep attribute is writable */
+ if (i == __ffs(data->has_fan))
+ return attr->mode | S_IWUSR;
+ }
+
+ if (a == 4 && has_16bit_fans(data)) /* divisor */
+ return 0;
+
+ return attr->mode;
+}
+
+static struct attribute *it87_attributes_fan[] = {
&sensor_dev_attr_fan1_input.dev_attr.attr,
&sensor_dev_attr_fan1_min.dev_attr.attr,
&sensor_dev_attr_fan1_alarm.dev_attr.attr,
- NULL
-}, {
+ &sensor_dev_attr_fan1_beep.dev_attr.attr, /* 3 */
+ &sensor_dev_attr_fan1_div.dev_attr.attr, /* 4 */
+
&sensor_dev_attr_fan2_input.dev_attr.attr,
&sensor_dev_attr_fan2_min.dev_attr.attr,
&sensor_dev_attr_fan2_alarm.dev_attr.attr,
- NULL
-}, {
+ &sensor_dev_attr_fan2_beep.dev_attr.attr,
+ &sensor_dev_attr_fan2_div.dev_attr.attr, /* 9 */
+
&sensor_dev_attr_fan3_input.dev_attr.attr,
&sensor_dev_attr_fan3_min.dev_attr.attr,
&sensor_dev_attr_fan3_alarm.dev_attr.attr,
- NULL
-}, {
- &sensor_dev_attr_fan4_input.dev_attr.attr,
+ &sensor_dev_attr_fan3_beep.dev_attr.attr,
+ &sensor_dev_attr_fan3_div.dev_attr.attr, /* 14 */
+
+ &sensor_dev_attr_fan4_input.dev_attr.attr, /* 15 */
&sensor_dev_attr_fan4_min.dev_attr.attr,
&sensor_dev_attr_fan4_alarm.dev_attr.attr,
- NULL
-}, {
- &sensor_dev_attr_fan5_input.dev_attr.attr,
+ &sensor_dev_attr_fan4_beep.dev_attr.attr,
+
+ &sensor_dev_attr_fan5_input.dev_attr.attr, /* 19 */
&sensor_dev_attr_fan5_min.dev_attr.attr,
&sensor_dev_attr_fan5_alarm.dev_attr.attr,
- NULL
-}, {
- &sensor_dev_attr_fan6_input.dev_attr.attr,
+ &sensor_dev_attr_fan5_beep.dev_attr.attr,
+
+ &sensor_dev_attr_fan6_input.dev_attr.attr, /* 23 */
&sensor_dev_attr_fan6_min.dev_attr.attr,
&sensor_dev_attr_fan6_alarm.dev_attr.attr,
+ &sensor_dev_attr_fan6_beep.dev_attr.attr,
NULL
-} };
-
-static const struct attribute_group it87_group_fan[6] = {
- { .attrs = it87_attributes_fan[0] },
- { .attrs = it87_attributes_fan[1] },
- { .attrs = it87_attributes_fan[2] },
- { .attrs = it87_attributes_fan[3] },
- { .attrs = it87_attributes_fan[4] },
- { .attrs = it87_attributes_fan[5] },
};
-static const struct attribute *it87_attributes_fan_div[] = {
- &sensor_dev_attr_fan1_div.dev_attr.attr,
- &sensor_dev_attr_fan2_div.dev_attr.attr,
- &sensor_dev_attr_fan3_div.dev_attr.attr,
+static const struct attribute_group it87_group_fan = {
+ .attrs = it87_attributes_fan,
+ .is_visible = it87_fan_is_visible,
};
-static struct attribute *it87_attributes_pwm[3][4+1] = { {
+static umode_t it87_pwm_is_visible(struct kobject *kobj,
+ struct attribute *attr, int index)
+{
+ struct device *dev = container_of(kobj, struct device, kobj);
+ struct it87_data *data = dev_get_drvdata(dev);
+ int i = index / 4; /* pwm index */
+ int a = index % 4; /* attribute index */
+
+ if (!(data->has_pwm & BIT(i)))
+ return 0;
+
+ /* pwmX_auto_channels_temp is only writable if auto pwm is supported */
+ if (a == 3 && (has_old_autopwm(data) || has_newer_autopwm(data)))
+ return attr->mode | S_IWUSR;
+
+ /* pwm2_freq is writable if there are two pwm frequency selects */
+ if (has_pwm_freq2(data) && i == 1 && a == 2)
+ return attr->mode | S_IWUSR;
+
+ return attr->mode;
+}
+
+static struct attribute *it87_attributes_pwm[] = {
&sensor_dev_attr_pwm1_enable.dev_attr.attr,
&sensor_dev_attr_pwm1.dev_attr.attr,
- &dev_attr_pwm1_freq.attr,
+ &sensor_dev_attr_pwm1_freq.dev_attr.attr,
&sensor_dev_attr_pwm1_auto_channels_temp.dev_attr.attr,
- NULL
-}, {
+
&sensor_dev_attr_pwm2_enable.dev_attr.attr,
&sensor_dev_attr_pwm2.dev_attr.attr,
- &dev_attr_pwm2_freq.attr,
+ &sensor_dev_attr_pwm2_freq.dev_attr.attr,
&sensor_dev_attr_pwm2_auto_channels_temp.dev_attr.attr,
- NULL
-}, {
+
&sensor_dev_attr_pwm3_enable.dev_attr.attr,
&sensor_dev_attr_pwm3.dev_attr.attr,
- &dev_attr_pwm3_freq.attr,
+ &sensor_dev_attr_pwm3_freq.dev_attr.attr,
&sensor_dev_attr_pwm3_auto_channels_temp.dev_attr.attr,
+
+ &sensor_dev_attr_pwm4_enable.dev_attr.attr,
+ &sensor_dev_attr_pwm4.dev_attr.attr,
+ &sensor_dev_attr_pwm4_freq.dev_attr.attr,
+ &sensor_dev_attr_pwm4_auto_channels_temp.dev_attr.attr,
+
+ &sensor_dev_attr_pwm5_enable.dev_attr.attr,
+ &sensor_dev_attr_pwm5.dev_attr.attr,
+ &sensor_dev_attr_pwm5_freq.dev_attr.attr,
+ &sensor_dev_attr_pwm5_auto_channels_temp.dev_attr.attr,
+
+ &sensor_dev_attr_pwm6_enable.dev_attr.attr,
+ &sensor_dev_attr_pwm6.dev_attr.attr,
+ &sensor_dev_attr_pwm6_freq.dev_attr.attr,
+ &sensor_dev_attr_pwm6_auto_channels_temp.dev_attr.attr,
+
NULL
-} };
+};
-static const struct attribute_group it87_group_pwm[3] = {
- { .attrs = it87_attributes_pwm[0] },
- { .attrs = it87_attributes_pwm[1] },
- { .attrs = it87_attributes_pwm[2] },
+static const struct attribute_group it87_group_pwm = {
+ .attrs = it87_attributes_pwm,
+ .is_visible = it87_pwm_is_visible,
};
-static struct attribute *it87_attributes_autopwm[3][9+1] = { {
+static umode_t it87_auto_pwm_is_visible(struct kobject *kobj,
+ struct attribute *attr, int index)
+{
+ struct device *dev = container_of(kobj, struct device, kobj);
+ struct it87_data *data = dev_get_drvdata(dev);
+ int i = index / 11; /* pwm index */
+ int a = index % 11; /* attribute index */
+
+ if (index >= 33) { /* pwm 4..6 */
+ i = (index - 33) / 6 + 3;
+ a = (index - 33) % 6 + 4;
+ }
+
+ if (!(data->has_pwm & BIT(i)))
+ return 0;
+
+ if (has_newer_autopwm(data)) {
+ if (a < 4) /* no auto point pwm */
+ return 0;
+ if (a == 8) /* no auto_point4 */
+ return 0;
+ }
+ if (has_old_autopwm(data)) {
+ if (a >= 9) /* no pwm_auto_start, pwm_auto_slope */
+ return 0;
+ }
+
+ return attr->mode;
+}
+
+static struct attribute *it87_attributes_auto_pwm[] = {
&sensor_dev_attr_pwm1_auto_point1_pwm.dev_attr.attr,
&sensor_dev_attr_pwm1_auto_point2_pwm.dev_attr.attr,
&sensor_dev_attr_pwm1_auto_point3_pwm.dev_attr.attr,
@@ -1778,9 +2287,10 @@ static struct attribute *it87_attributes_autopwm[3][9+1] = { {
&sensor_dev_attr_pwm1_auto_point2_temp.dev_attr.attr,
&sensor_dev_attr_pwm1_auto_point3_temp.dev_attr.attr,
&sensor_dev_attr_pwm1_auto_point4_temp.dev_attr.attr,
- NULL
-}, {
- &sensor_dev_attr_pwm2_auto_point1_pwm.dev_attr.attr,
+ &sensor_dev_attr_pwm1_auto_start.dev_attr.attr,
+ &sensor_dev_attr_pwm1_auto_slope.dev_attr.attr,
+
+ &sensor_dev_attr_pwm2_auto_point1_pwm.dev_attr.attr, /* 11 */
&sensor_dev_attr_pwm2_auto_point2_pwm.dev_attr.attr,
&sensor_dev_attr_pwm2_auto_point3_pwm.dev_attr.attr,
&sensor_dev_attr_pwm2_auto_point4_pwm.dev_attr.attr,
@@ -1789,9 +2299,10 @@ static struct attribute *it87_attributes_autopwm[3][9+1] = { {
&sensor_dev_attr_pwm2_auto_point2_temp.dev_attr.attr,
&sensor_dev_attr_pwm2_auto_point3_temp.dev_attr.attr,
&sensor_dev_attr_pwm2_auto_point4_temp.dev_attr.attr,
- NULL
-}, {
- &sensor_dev_attr_pwm3_auto_point1_pwm.dev_attr.attr,
+ &sensor_dev_attr_pwm2_auto_start.dev_attr.attr,
+ &sensor_dev_attr_pwm2_auto_slope.dev_attr.attr,
+
+ &sensor_dev_attr_pwm3_auto_point1_pwm.dev_attr.attr, /* 22 */
&sensor_dev_attr_pwm3_auto_point2_pwm.dev_attr.attr,
&sensor_dev_attr_pwm3_auto_point3_pwm.dev_attr.attr,
&sensor_dev_attr_pwm3_auto_point4_pwm.dev_attr.attr,
@@ -1800,61 +2311,53 @@ static struct attribute *it87_attributes_autopwm[3][9+1] = { {
&sensor_dev_attr_pwm3_auto_point2_temp.dev_attr.attr,
&sensor_dev_attr_pwm3_auto_point3_temp.dev_attr.attr,
&sensor_dev_attr_pwm3_auto_point4_temp.dev_attr.attr,
- NULL
-} };
-
-static const struct attribute_group it87_group_autopwm[3] = {
- { .attrs = it87_attributes_autopwm[0] },
- { .attrs = it87_attributes_autopwm[1] },
- { .attrs = it87_attributes_autopwm[2] },
-};
+ &sensor_dev_attr_pwm3_auto_start.dev_attr.attr,
+ &sensor_dev_attr_pwm3_auto_slope.dev_attr.attr,
+
+ &sensor_dev_attr_pwm4_auto_point1_temp.dev_attr.attr, /* 33 */
+ &sensor_dev_attr_pwm4_auto_point1_temp_hyst.dev_attr.attr,
+ &sensor_dev_attr_pwm4_auto_point2_temp.dev_attr.attr,
+ &sensor_dev_attr_pwm4_auto_point3_temp.dev_attr.attr,
+ &sensor_dev_attr_pwm4_auto_start.dev_attr.attr,
+ &sensor_dev_attr_pwm4_auto_slope.dev_attr.attr,
+
+ &sensor_dev_attr_pwm5_auto_point1_temp.dev_attr.attr,
+ &sensor_dev_attr_pwm5_auto_point1_temp_hyst.dev_attr.attr,
+ &sensor_dev_attr_pwm5_auto_point2_temp.dev_attr.attr,
+ &sensor_dev_attr_pwm5_auto_point3_temp.dev_attr.attr,
+ &sensor_dev_attr_pwm5_auto_start.dev_attr.attr,
+ &sensor_dev_attr_pwm5_auto_slope.dev_attr.attr,
+
+ &sensor_dev_attr_pwm6_auto_point1_temp.dev_attr.attr,
+ &sensor_dev_attr_pwm6_auto_point1_temp_hyst.dev_attr.attr,
+ &sensor_dev_attr_pwm6_auto_point2_temp.dev_attr.attr,
+ &sensor_dev_attr_pwm6_auto_point3_temp.dev_attr.attr,
+ &sensor_dev_attr_pwm6_auto_start.dev_attr.attr,
+ &sensor_dev_attr_pwm6_auto_slope.dev_attr.attr,
-static struct attribute *it87_attributes_fan_beep[] = {
- &sensor_dev_attr_fan1_beep.dev_attr.attr,
- &sensor_dev_attr_fan2_beep.dev_attr.attr,
- &sensor_dev_attr_fan3_beep.dev_attr.attr,
- &sensor_dev_attr_fan4_beep.dev_attr.attr,
- &sensor_dev_attr_fan5_beep.dev_attr.attr,
- &sensor_dev_attr_fan6_beep.dev_attr.attr,
-};
-
-static struct attribute *it87_attributes_vid[] = {
- &dev_attr_vrm.attr,
- &dev_attr_cpu0_vid.attr,
- NULL
-};
-
-static const struct attribute_group it87_group_vid = {
- .attrs = it87_attributes_vid,
-};
-
-static struct attribute *it87_attributes_label[] = {
- &sensor_dev_attr_in3_label.dev_attr.attr,
- &sensor_dev_attr_in7_label.dev_attr.attr,
- &sensor_dev_attr_in8_label.dev_attr.attr,
- &sensor_dev_attr_in9_label.dev_attr.attr,
- NULL
+ NULL,
};
-static const struct attribute_group it87_group_label = {
- .attrs = it87_attributes_label,
+static const struct attribute_group it87_group_auto_pwm = {
+ .attrs = it87_attributes_auto_pwm,
+ .is_visible = it87_auto_pwm_is_visible,
};
/* SuperIO detection - will change isa_address if a chip is found */
-static int __init it87_find(unsigned short *address,
- struct it87_sio_data *sio_data)
+static int __init it87_find(int sioaddr, unsigned short *address,
+ struct it87_sio_data *sio_data)
{
int err;
u16 chip_type;
const char *board_vendor, *board_name;
const struct it87_devices *config;
- err = superio_enter();
+ err = superio_enter(sioaddr);
if (err)
return err;
err = -ENODEV;
- chip_type = force_id ? force_id : superio_inw(DEVID);
+ chip_type = force_id ? force_id : superio_inw(sioaddr, DEVID);
switch (chip_type) {
case IT8705F_DEVID:
@@ -1910,6 +2413,9 @@ static int __init it87_find(unsigned short *address,
case IT8620E_DEVID:
sio_data->type = it8620;
break;
+ case IT8628E_DEVID:
+ sio_data->type = it8628;
+ break;
case 0xffff: /* No device at all */
goto exit;
default:
@@ -1917,20 +2423,20 @@ static int __init it87_find(unsigned short *address,
goto exit;
}
- superio_select(PME);
- if (!(superio_inb(IT87_ACT_REG) & 0x01)) {
+ superio_select(sioaddr, PME);
+ if (!(superio_inb(sioaddr, IT87_ACT_REG) & 0x01)) {
pr_info("Device not activated, skipping\n");
goto exit;
}
- *address = superio_inw(IT87_BASE_REG) & ~(IT87_EXTENT - 1);
+ *address = superio_inw(sioaddr, IT87_BASE_REG) & ~(IT87_EXTENT - 1);
if (*address == 0) {
pr_info("Base address not set, skipping\n");
goto exit;
}
err = 0;
- sio_data->revision = superio_inb(DEVREV) & 0x0f;
+ 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);
@@ -1939,14 +2445,19 @@ static int __init it87_find(unsigned short *address,
/* in7 (VSB or VCCH5V) is always internal on some chips */
if (has_in7_internal(config))
- sio_data->internal |= (1 << 1);
+ sio_data->internal |= BIT(1);
/* in8 (Vbat) is always internal */
- sio_data->internal |= (1 << 2);
+ sio_data->internal |= BIT(2);
- /* Only the IT8603E has in9 */
- if (sio_data->type != it8603)
- sio_data->skip_in |= (1 << 9);
+ /* in9 (AVCC3), always internal if supported */
+ if (has_avcc3(config))
+ sio_data->internal |= BIT(3); /* in9 is AVCC */
+ else
+ sio_data->skip_in |= BIT(9);
+
+ if (!has_six_pwm(config))
+ sio_data->skip_pwm |= BIT(3) | BIT(4) | BIT(5);
if (!has_vid(config))
sio_data->skip_vid = 1;
@@ -1954,45 +2465,46 @@ static int __init it87_find(unsigned short *address,
/* Read GPIO config and VID value from LDN 7 (GPIO) */
if (sio_data->type == it87) {
/* The IT8705F has a different LD number for GPIO */
- superio_select(5);
- sio_data->beep_pin = superio_inb(IT87_SIO_BEEP_PIN_REG) & 0x3f;
+ superio_select(sioaddr, 5);
+ sio_data->beep_pin = superio_inb(sioaddr,
+ IT87_SIO_BEEP_PIN_REG) & 0x3f;
} else if (sio_data->type == it8783) {
int reg25, reg27, reg2a, reg2c, regef;
- superio_select(GPIO);
+ superio_select(sioaddr, GPIO);
- reg25 = superio_inb(IT87_SIO_GPIO1_REG);
- reg27 = superio_inb(IT87_SIO_GPIO3_REG);
- reg2a = superio_inb(IT87_SIO_PINX1_REG);
- reg2c = superio_inb(IT87_SIO_PINX2_REG);
- regef = superio_inb(IT87_SIO_SPI_REG);
+ reg25 = superio_inb(sioaddr, IT87_SIO_GPIO1_REG);
+ reg27 = superio_inb(sioaddr, IT87_SIO_GPIO3_REG);
+ reg2a = superio_inb(sioaddr, IT87_SIO_PINX1_REG);
+ reg2c = superio_inb(sioaddr, IT87_SIO_PINX2_REG);
+ regef = superio_inb(sioaddr, IT87_SIO_SPI_REG);
/* Check if fan3 is there or not */
- if ((reg27 & (1 << 0)) || !(reg2c & (1 << 2)))
- sio_data->skip_fan |= (1 << 2);
- if ((reg25 & (1 << 4))
- || (!(reg2a & (1 << 1)) && (regef & (1 << 0))))
- sio_data->skip_pwm |= (1 << 2);
+ if ((reg27 & BIT(0)) || !(reg2c & BIT(2)))
+ sio_data->skip_fan |= BIT(2);
+ if ((reg25 & BIT(4)) ||
+ (!(reg2a & BIT(1)) && (regef & BIT(0))))
+ sio_data->skip_pwm |= BIT(2);
/* Check if fan2 is there or not */
- if (reg27 & (1 << 7))
- sio_data->skip_fan |= (1 << 1);
- if (reg27 & (1 << 3))
- sio_data->skip_pwm |= (1 << 1);
+ if (reg27 & BIT(7))
+ sio_data->skip_fan |= BIT(1);
+ if (reg27 & BIT(3))
+ sio_data->skip_pwm |= BIT(1);
/* VIN5 */
- if ((reg27 & (1 << 0)) || (reg2c & (1 << 2)))
- sio_data->skip_in |= (1 << 5); /* No VIN5 */
+ if ((reg27 & BIT(0)) || (reg2c & BIT(2)))
+ sio_data->skip_in |= BIT(5); /* No VIN5 */
/* VIN6 */
- if (reg27 & (1 << 1))
- sio_data->skip_in |= (1 << 6); /* No VIN6 */
+ if (reg27 & BIT(1))
+ sio_data->skip_in |= BIT(6); /* No VIN6 */
/*
* VIN7
* Does not depend on bit 2 of Reg2C, contrary to datasheet.
*/
- if (reg27 & (1 << 2)) {
+ if (reg27 & BIT(2)) {
/*
* The data sheet is a bit unclear regarding the
* internal voltage divider for VCCH5V. It says
@@ -2006,81 +2518,121 @@ static int __init it87_find(unsigned short *address,
* not the case, and ask the user to report if the
* resulting voltage is sane.
*/
- if (!(reg2c & (1 << 1))) {
- reg2c |= (1 << 1);
- superio_outb(IT87_SIO_PINX2_REG, reg2c);
+ if (!(reg2c & BIT(1))) {
+ reg2c |= BIT(1);
+ superio_outb(sioaddr, IT87_SIO_PINX2_REG,
+ reg2c);
pr_notice("Routing internal VCCH5V to in7.\n");
}
pr_notice("in7 routed to internal voltage divider, with external pin disabled.\n");
pr_notice("Please report if it displays a reasonable voltage.\n");
}
- if (reg2c & (1 << 0))
- sio_data->internal |= (1 << 0);
- if (reg2c & (1 << 1))
- sio_data->internal |= (1 << 1);
+ if (reg2c & BIT(0))
+ sio_data->internal |= BIT(0);
+ if (reg2c & BIT(1))
+ sio_data->internal |= BIT(1);
- sio_data->beep_pin = superio_inb(IT87_SIO_BEEP_PIN_REG) & 0x3f;
+ sio_data->beep_pin = superio_inb(sioaddr,
+ IT87_SIO_BEEP_PIN_REG) & 0x3f;
} else if (sio_data->type == it8603) {
int reg27, reg29;
- superio_select(GPIO);
+ superio_select(sioaddr, GPIO);
- reg27 = superio_inb(IT87_SIO_GPIO3_REG);
+ reg27 = superio_inb(sioaddr, IT87_SIO_GPIO3_REG);
/* Check if fan3 is there or not */
- if (reg27 & (1 << 6))
- sio_data->skip_pwm |= (1 << 2);
- if (reg27 & (1 << 7))
- sio_data->skip_fan |= (1 << 2);
+ if (reg27 & BIT(6))
+ sio_data->skip_pwm |= BIT(2);
+ if (reg27 & BIT(7))
+ sio_data->skip_fan |= BIT(2);
/* Check if fan2 is there or not */
- reg29 = superio_inb(IT87_SIO_GPIO5_REG);
- if (reg29 & (1 << 1))
- sio_data->skip_pwm |= (1 << 1);
- if (reg29 & (1 << 2))
- sio_data->skip_fan |= (1 << 1);
-
- sio_data->skip_in |= (1 << 5); /* No VIN5 */
- sio_data->skip_in |= (1 << 6); /* No VIN6 */
-
- sio_data->internal |= (1 << 3); /* in9 is AVCC */
-
- sio_data->beep_pin = superio_inb(IT87_SIO_BEEP_PIN_REG) & 0x3f;
- } else if (sio_data->type == it8620) {
+ reg29 = superio_inb(sioaddr, IT87_SIO_GPIO5_REG);
+ if (reg29 & BIT(1))
+ sio_data->skip_pwm |= BIT(1);
+ if (reg29 & BIT(2))
+ sio_data->skip_fan |= BIT(1);
+
+ sio_data->skip_in |= BIT(5); /* No VIN5 */
+ sio_data->skip_in |= BIT(6); /* No VIN6 */
+
+ sio_data->beep_pin = superio_inb(sioaddr,
+ IT87_SIO_BEEP_PIN_REG) & 0x3f;
+ } else if (sio_data->type == it8620 || sio_data->type == it8628) {
int reg;
- superio_select(GPIO);
+ superio_select(sioaddr, GPIO);
+
+ /* Check for pwm5 */
+ reg = superio_inb(sioaddr, IT87_SIO_GPIO1_REG);
+ if (reg & BIT(6))
+ sio_data->skip_pwm |= BIT(4);
/* Check for fan4, fan5 */
- reg = superio_inb(IT87_SIO_GPIO2_REG);
- if (!(reg & (1 << 5)))
- sio_data->skip_fan |= (1 << 3);
- if (!(reg & (1 << 4)))
- sio_data->skip_fan |= (1 << 4);
+ reg = superio_inb(sioaddr, IT87_SIO_GPIO2_REG);
+ if (!(reg & BIT(5)))
+ sio_data->skip_fan |= BIT(3);
+ if (!(reg & BIT(4)))
+ sio_data->skip_fan |= BIT(4);
/* Check for pwm3, fan3 */
- reg = superio_inb(IT87_SIO_GPIO3_REG);
- if (reg & (1 << 6))
- sio_data->skip_pwm |= (1 << 2);
- if (reg & (1 << 7))
- sio_data->skip_fan |= (1 << 2);
+ reg = superio_inb(sioaddr, IT87_SIO_GPIO3_REG);
+ if (reg & BIT(6))
+ sio_data->skip_pwm |= BIT(2);
+ if (reg & BIT(7))
+ sio_data->skip_fan |= BIT(2);
+
+ /* Check for pwm4 */
+ reg = superio_inb(sioaddr, IT87_SIO_GPIO4_REG);
+ if (!(reg & BIT(2)))
+ sio_data->skip_pwm |= BIT(3);
/* Check for pwm2, fan2 */
- reg = superio_inb(IT87_SIO_GPIO5_REG);
- if (reg & (1 << 1))
- sio_data->skip_pwm |= (1 << 1);
- if (reg & (1 << 2))
- sio_data->skip_fan |= (1 << 1);
+ reg = superio_inb(sioaddr, IT87_SIO_GPIO5_REG);
+ if (reg & BIT(1))
+ sio_data->skip_pwm |= BIT(1);
+ if (reg & BIT(2))
+ sio_data->skip_fan |= BIT(1);
+ /* Check for pwm6, fan6 */
+ if (!(reg & BIT(7))) {
+ sio_data->skip_pwm |= BIT(5);
+ sio_data->skip_fan |= BIT(5);
+ }
- sio_data->beep_pin = superio_inb(IT87_SIO_BEEP_PIN_REG) & 0x3f;
+ sio_data->beep_pin = superio_inb(sioaddr,
+ IT87_SIO_BEEP_PIN_REG) & 0x3f;
} else {
int reg;
bool uart6;
- superio_select(GPIO);
+ superio_select(sioaddr, GPIO);
+
+ /* Check for fan4, fan5 */
+ if (has_five_fans(config)) {
+ reg = superio_inb(sioaddr, IT87_SIO_GPIO2_REG);
+ switch (sio_data->type) {
+ case it8718:
+ if (reg & BIT(5))
+ sio_data->skip_fan |= BIT(3);
+ if (reg & BIT(4))
+ sio_data->skip_fan |= BIT(4);
+ break;
+ case it8720:
+ case it8721:
+ case it8728:
+ if (!(reg & BIT(5)))
+ sio_data->skip_fan |= BIT(3);
+ if (!(reg & BIT(4)))
+ sio_data->skip_fan |= BIT(4);
+ break;
+ default:
+ break;
+ }
+ }
- reg = superio_inb(IT87_SIO_GPIO3_REG);
+ reg = superio_inb(sioaddr, IT87_SIO_GPIO3_REG);
if (!sio_data->skip_vid) {
/* We need at least 4 VID pins */
if (reg & 0x0f) {
@@ -2090,25 +2642,26 @@ static int __init it87_find(unsigned short *address,
}
/* Check if fan3 is there or not */
- if (reg & (1 << 6))
- sio_data->skip_pwm |= (1 << 2);
- if (reg & (1 << 7))
- sio_data->skip_fan |= (1 << 2);
+ if (reg & BIT(6))
+ sio_data->skip_pwm |= BIT(2);
+ if (reg & BIT(7))
+ sio_data->skip_fan |= BIT(2);
/* Check if fan2 is there or not */
- reg = superio_inb(IT87_SIO_GPIO5_REG);
- if (reg & (1 << 1))
- sio_data->skip_pwm |= (1 << 1);
- if (reg & (1 << 2))
- sio_data->skip_fan |= (1 << 1);
+ reg = superio_inb(sioaddr, IT87_SIO_GPIO5_REG);
+ if (reg & BIT(1))
+ sio_data->skip_pwm |= BIT(1);
+ if (reg & BIT(2))
+ sio_data->skip_fan |= BIT(1);
- if ((sio_data->type == it8718 || sio_data->type == it8720)
- && !(sio_data->skip_vid))
- sio_data->vid_value = superio_inb(IT87_SIO_VID_REG);
+ if ((sio_data->type == it8718 || sio_data->type == it8720) &&
+ !(sio_data->skip_vid))
+ sio_data->vid_value = superio_inb(sioaddr,
+ IT87_SIO_VID_REG);
- reg = superio_inb(IT87_SIO_PINX2_REG);
+ reg = superio_inb(sioaddr, IT87_SIO_PINX2_REG);
- uart6 = sio_data->type == it8782 && (reg & (1 << 2));
+ uart6 = sio_data->type == it8782 && (reg & BIT(2));
/*
* The IT8720F has no VIN7 pin, so VCCH should always be
@@ -2124,15 +2677,15 @@ static int __init it87_find(unsigned short *address,
* If UART6 is enabled, re-route VIN7 to the internal divider
* if that is not already the case.
*/
- if ((sio_data->type == it8720 || uart6) && !(reg & (1 << 1))) {
- reg |= (1 << 1);
- superio_outb(IT87_SIO_PINX2_REG, reg);
+ if ((sio_data->type == it8720 || uart6) && !(reg & BIT(1))) {
+ reg |= BIT(1);
+ superio_outb(sioaddr, IT87_SIO_PINX2_REG, reg);
pr_notice("Routing internal VCCH to in7\n");
}
- if (reg & (1 << 0))
- sio_data->internal |= (1 << 0);
- if (reg & (1 << 1))
- sio_data->internal |= (1 << 1);
+ if (reg & BIT(0))
+ sio_data->internal |= BIT(0);
+ if (reg & BIT(1))
+ sio_data->internal |= BIT(1);
/*
* On IT8782F, UART6 pins overlap with VIN5, VIN6, and VIN7.
@@ -2144,11 +2697,12 @@ static int __init it87_find(unsigned short *address,
* temperature source here, skip_temp is preliminary.
*/
if (uart6) {
- sio_data->skip_in |= (1 << 5) | (1 << 6);
- sio_data->skip_temp |= (1 << 2);
+ sio_data->skip_in |= BIT(5) | BIT(6);
+ sio_data->skip_temp |= BIT(2);
}
- sio_data->beep_pin = superio_inb(IT87_SIO_BEEP_PIN_REG) & 0x3f;
+ sio_data->beep_pin = superio_inb(sioaddr,
+ IT87_SIO_BEEP_PIN_REG) & 0x3f;
}
if (sio_data->beep_pin)
pr_info("Beeping is supported\n");
@@ -2157,8 +2711,8 @@ static int __init it87_find(unsigned short *address,
board_vendor = dmi_get_system_info(DMI_BOARD_VENDOR);
board_name = dmi_get_system_info(DMI_BOARD_NAME);
if (board_vendor && board_name) {
- if (strcmp(board_vendor, "nVIDIA") == 0
- && strcmp(board_name, "FN68PT") == 0) {
+ if (strcmp(board_vendor, "nVIDIA") == 0 &&
+ strcmp(board_name, "FN68PT") == 0) {
/*
* On the Shuttle SN68PT, FAN_CTL2 is apparently not
* connected to a fan, but to something else. One user
@@ -2168,373 +2722,15 @@ static int __init it87_find(unsigned short *address,
* the same board is ever used in other systems.
*/
pr_info("Disabling pwm2 due to hardware constraints\n");
- sio_data->skip_pwm = (1 << 1);
+ sio_data->skip_pwm = BIT(1);
}
}
exit:
- superio_exit();
+ superio_exit(sioaddr);
return err;
}
-static void it87_remove_files(struct device *dev)
-{
- struct it87_data *data = platform_get_drvdata(pdev);
- struct it87_sio_data *sio_data = dev_get_platdata(dev);
- int i;
-
- sysfs_remove_group(&dev->kobj, &it87_group);
- for (i = 0; i < 10; i++) {
- if (sio_data->skip_in & (1 << i))
- continue;
- sysfs_remove_group(&dev->kobj, &it87_group_in[i]);
- if (it87_attributes_in_beep[i])
- sysfs_remove_file(&dev->kobj,
- it87_attributes_in_beep[i]);
- }
- for (i = 0; i < 3; i++) {
- if (!(data->has_temp & (1 << i)))
- continue;
- sysfs_remove_group(&dev->kobj, &it87_group_temp[i]);
- if (has_temp_offset(data))
- sysfs_remove_file(&dev->kobj,
- it87_attributes_temp_offset[i]);
- if (sio_data->beep_pin)
- sysfs_remove_file(&dev->kobj,
- it87_attributes_temp_beep[i]);
- }
- for (i = 0; i < 6; i++) {
- if (!(data->has_fan & (1 << i)))
- continue;
- sysfs_remove_group(&dev->kobj, &it87_group_fan[i]);
- if (sio_data->beep_pin)
- sysfs_remove_file(&dev->kobj,
- it87_attributes_fan_beep[i]);
- if (i < 3 && !has_16bit_fans(data))
- sysfs_remove_file(&dev->kobj,
- it87_attributes_fan_div[i]);
- }
- for (i = 0; i < 3; i++) {
- if (sio_data->skip_pwm & (1 << i))
- continue;
- sysfs_remove_group(&dev->kobj, &it87_group_pwm[i]);
- if (has_old_autopwm(data))
- sysfs_remove_group(&dev->kobj,
- &it87_group_autopwm[i]);
- }
- if (!sio_data->skip_vid)
- sysfs_remove_group(&dev->kobj, &it87_group_vid);
- sysfs_remove_group(&dev->kobj, &it87_group_label);
-}
-
-static int it87_probe(struct platform_device *pdev)
-{
- struct it87_data *data;
- struct resource *res;
- struct device *dev = &pdev->dev;
- struct it87_sio_data *sio_data = dev_get_platdata(dev);
- int err = 0, i;
- int enable_pwm_interface;
- int fan_beep_need_rw;
-
- 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);
- if (!data)
- return -ENOMEM;
-
- data->addr = res->start;
- data->type = sio_data->type;
- data->features = it87_devices[sio_data->type].features;
- data->peci_mask = it87_devices[sio_data->type].peci_mask;
- data->old_peci_mask = it87_devices[sio_data->type].old_peci_mask;
- data->name = it87_devices[sio_data->type].name;
- /*
- * IT8705F Datasheet 0.4.1, 3h == Version G.
- * IT8712F Datasheet 0.9.1, section 8.3.5 indicates 8h == Version J.
- * These are the first revisions with 16-bit tachometer support.
- */
- switch (data->type) {
- case it87:
- if (sio_data->revision >= 0x03) {
- data->features &= ~FEAT_OLD_AUTOPWM;
- data->features |= FEAT_FAN16_CONFIG | FEAT_16BIT_FANS;
- }
- break;
- case it8712:
- if (sio_data->revision >= 0x08) {
- data->features &= ~FEAT_OLD_AUTOPWM;
- data->features |= FEAT_FAN16_CONFIG | FEAT_16BIT_FANS |
- FEAT_FIVE_FANS;
- }
- break;
- default:
- break;
- }
-
- /* 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);
-
- /* Check PWM configuration */
- enable_pwm_interface = it87_check_pwm(dev);
-
- /* Starting with IT8721F, we handle scaling of internal voltages */
- if (has_12mv_adc(data)) {
- if (sio_data->internal & (1 << 0))
- data->in_scaled |= (1 << 3); /* in3 is AVCC */
- if (sio_data->internal & (1 << 1))
- data->in_scaled |= (1 << 7); /* in7 is VSB */
- if (sio_data->internal & (1 << 2))
- data->in_scaled |= (1 << 8); /* in8 is Vbat */
- if (sio_data->internal & (1 << 3))
- data->in_scaled |= (1 << 9); /* in9 is AVCC */
- } else if (sio_data->type == it8781 || sio_data->type == it8782 ||
- sio_data->type == it8783) {
- if (sio_data->internal & (1 << 0))
- data->in_scaled |= (1 << 3); /* in3 is VCC5V */
- if (sio_data->internal & (1 << 1))
- data->in_scaled |= (1 << 7); /* in7 is VCCH5V */
- }
-
- data->has_temp = 0x07;
- if (sio_data->skip_temp & (1 << 2)) {
- if (sio_data->type == it8782
- && !(it87_read_value(data, IT87_REG_TEMP_EXTRA) & 0x80))
- data->has_temp &= ~(1 << 2);
- }
-
- /* Initialize the IT87 chip */
- it87_init_device(pdev);
-
- /* Register sysfs hooks */
- err = sysfs_create_group(&dev->kobj, &it87_group);
- if (err)
- return err;
-
- for (i = 0; i < 10; i++) {
- if (sio_data->skip_in & (1 << i))
- continue;
- err = sysfs_create_group(&dev->kobj, &it87_group_in[i]);
- if (err)
- goto error;
- if (sio_data->beep_pin && it87_attributes_in_beep[i]) {
- err = sysfs_create_file(&dev->kobj,
- it87_attributes_in_beep[i]);
- if (err)
- goto error;
- }
- }
-
- for (i = 0; i < 3; i++) {
- if (!(data->has_temp & (1 << i)))
- continue;
- err = sysfs_create_group(&dev->kobj, &it87_group_temp[i]);
- if (err)
- goto error;
- if (has_temp_offset(data)) {
- err = sysfs_create_file(&dev->kobj,
- it87_attributes_temp_offset[i]);
- if (err)
- goto error;
- }
- if (sio_data->beep_pin) {
- err = sysfs_create_file(&dev->kobj,
- it87_attributes_temp_beep[i]);
- if (err)
- goto error;
- }
- }
-
- /* Do not create fan files for disabled fans */
- fan_beep_need_rw = 1;
- for (i = 0; i < 6; i++) {
- if (!(data->has_fan & (1 << i)))
- continue;
- err = sysfs_create_group(&dev->kobj, &it87_group_fan[i]);
- if (err)
- goto error;
-
- if (i < 3 && !has_16bit_fans(data)) {
- err = sysfs_create_file(&dev->kobj,
- it87_attributes_fan_div[i]);
- if (err)
- goto error;
- }
-
- if (sio_data->beep_pin) {
- err = sysfs_create_file(&dev->kobj,
- it87_attributes_fan_beep[i]);
- if (err)
- goto error;
- if (!fan_beep_need_rw)
- continue;
-
- /*
- * As we have a single beep enable bit for all fans,
- * only the first enabled fan has a writable attribute
- * for it.
- */
- if (sysfs_chmod_file(&dev->kobj,
- it87_attributes_fan_beep[i],
- S_IRUGO | S_IWUSR))
- dev_dbg(dev, "chmod +w fan%d_beep failed\n",
- i + 1);
- fan_beep_need_rw = 0;
- }
- }
-
- if (enable_pwm_interface) {
- for (i = 0; i < 3; i++) {
- if (sio_data->skip_pwm & (1 << i))
- continue;
- err = sysfs_create_group(&dev->kobj,
- &it87_group_pwm[i]);
- if (err)
- goto error;
-
- if (!has_old_autopwm(data))
- continue;
- err = sysfs_create_group(&dev->kobj,
- &it87_group_autopwm[i]);
- if (err)
- goto error;
- }
- }
-
- if (!sio_data->skip_vid) {
- data->vrm = vid_which_vrm();
- /* VID reading from Super-I/O config space if available */
- data->vid = sio_data->vid_value;
- err = sysfs_create_group(&dev->kobj, &it87_group_vid);
- if (err)
- goto error;
- }
-
- /* Export labels for internal sensors */
- for (i = 0; i < 4; i++) {
- if (!(sio_data->internal & (1 << i)))
- continue;
- err = sysfs_create_file(&dev->kobj,
- it87_attributes_label[i]);
- if (err)
- goto error;
- }
-
- data->hwmon_dev = hwmon_device_register(dev);
- if (IS_ERR(data->hwmon_dev)) {
- err = PTR_ERR(data->hwmon_dev);
- goto error;
- }
-
- return 0;
-
-error:
- it87_remove_files(dev);
- return err;
-}
-
-static int it87_remove(struct platform_device *pdev)
-{
- struct it87_data *data = platform_get_drvdata(pdev);
-
- hwmon_device_unregister(data->hwmon_dev);
- it87_remove_files(&pdev->dev);
-
- return 0;
-}
-
-/*
- * Must be called with data->update_lock held, except during initialization.
- * We ignore the IT87 BUSY flag at this moment - it could lead to deadlocks,
- * would slow down the IT87 access and should not be necessary.
- */
-static int it87_read_value(struct it87_data *data, u8 reg)
-{
- outb_p(reg, data->addr + IT87_ADDR_REG_OFFSET);
- return inb_p(data->addr + IT87_DATA_REG_OFFSET);
-}
-
-/*
- * Must be called with data->update_lock held, except during initialization.
- * We ignore the IT87 BUSY flag at this moment - it could lead to deadlocks,
- * would slow down the IT87 access and should not be necessary.
- */
-static void it87_write_value(struct it87_data *data, u8 reg, u8 value)
-{
- outb_p(reg, data->addr + IT87_ADDR_REG_OFFSET);
- outb_p(value, data->addr + IT87_DATA_REG_OFFSET);
-}
-
-/* Return 1 if and only if the PWM interface is safe to use */
-static int it87_check_pwm(struct device *dev)
-{
- struct it87_data *data = dev_get_drvdata(dev);
- /*
- * Some BIOSes fail to correctly configure the IT87 fans. All fans off
- * and polarity set to active low is sign that this is the case so we
- * disable pwm control to protect the user.
- */
- int tmp = it87_read_value(data, IT87_REG_FAN_CTL);
- if ((tmp & 0x87) == 0) {
- if (fix_pwm_polarity) {
- /*
- * The user asks us to attempt a chip reconfiguration.
- * This means switching to active high polarity and
- * inverting all fan speed values.
- */
- int i;
- u8 pwm[3];
-
- for (i = 0; i < 3; i++)
- pwm[i] = it87_read_value(data,
- IT87_REG_PWM(i));
-
- /*
- * If any fan is in automatic pwm mode, the polarity
- * might be correct, as suspicious as it seems, so we
- * better don't change anything (but still disable the
- * PWM interface).
- */
- if (!((pwm[0] | pwm[1] | pwm[2]) & 0x80)) {
- dev_info(dev,
- "Reconfiguring PWM to active high polarity\n");
- it87_write_value(data, IT87_REG_FAN_CTL,
- tmp | 0x87);
- for (i = 0; i < 3; i++)
- it87_write_value(data,
- IT87_REG_PWM(i),
- 0x7f & ~pwm[i]);
- return 1;
- }
-
- dev_info(dev,
- "PWM configuration is too broken to be fixed\n");
- }
-
- dev_info(dev,
- "Detected broken BIOS defaults, disabling PWM interface\n");
- return 0;
- } else if (fix_pwm_polarity) {
- dev_info(dev,
- "PWM configuration looks sane, won't touch\n");
- }
-
- return 1;
-}
-
/* Called when we have found a new IT87. */
static void it87_init_device(struct platform_device *pdev)
{
@@ -2556,7 +2752,7 @@ static void it87_init_device(struct platform_device *pdev)
* these have separate registers for the temperature mapping and the
* manual duty cycle.
*/
- for (i = 0; i < 3; i++) {
+ for (i = 0; i < NUM_AUTO_PWM; i++) {
data->pwm_temp_map[i] = i;
data->pwm_duty[i] = 0x7f; /* Full speed */
data->auto_pwm[i][3] = 0x7f; /* Full speed, hard-coded */
@@ -2569,12 +2765,12 @@ static void it87_init_device(struct platform_device *pdev)
* means -1 degree C, which surprisingly doesn't trigger an alarm,
* but is still confusing, so change to 127 degrees C.
*/
- for (i = 0; i < 8; i++) {
+ for (i = 0; i < NUM_VIN_LIMIT; i++) {
tmp = it87_read_value(data, IT87_REG_VIN_MIN(i));
if (tmp == 0xff)
it87_write_value(data, IT87_REG_VIN_MIN(i), 0);
}
- for (i = 0; i < 3; i++) {
+ for (i = 0; i < NUM_TEMP_LIMIT; i++) {
tmp = it87_read_value(data, IT87_REG_TEMP_HIGH(i));
if (tmp == 0xff)
it87_write_value(data, IT87_REG_TEMP_HIGH(i), 127);
@@ -2619,158 +2815,245 @@ static void it87_init_device(struct platform_device *pdev)
/* Check for additional fans */
if (has_five_fans(data)) {
- if (tmp & (1 << 4))
- data->has_fan |= (1 << 3); /* fan4 enabled */
- if (tmp & (1 << 5))
- data->has_fan |= (1 << 4); /* fan5 enabled */
- if (has_six_fans(data) && (tmp & (1 << 2)))
- data->has_fan |= (1 << 5); /* fan6 enabled */
+ if (tmp & BIT(4))
+ data->has_fan |= BIT(3); /* fan4 enabled */
+ if (tmp & BIT(5))
+ data->has_fan |= BIT(4); /* fan5 enabled */
+ if (has_six_fans(data) && (tmp & BIT(2)))
+ data->has_fan |= BIT(5); /* fan6 enabled */
}
/* Fan input pins may be used for alternative functions */
data->has_fan &= ~sio_data->skip_fan;
+ /* Check if pwm5, pwm6 are enabled */
+ if (has_six_pwm(data)) {
+ /* The following code may be IT8620E specific */
+ tmp = it87_read_value(data, IT87_REG_FAN_DIV);
+ if ((tmp & 0xc0) == 0xc0)
+ sio_data->skip_pwm |= BIT(4);
+ if (!(tmp & BIT(3)))
+ sio_data->skip_pwm |= BIT(5);
+ }
+
/* Start monitoring */
it87_write_value(data, IT87_REG_CONFIG,
(it87_read_value(data, IT87_REG_CONFIG) & 0x3e)
| (update_vbat ? 0x41 : 0x01));
}
-static void it87_update_pwm_ctrl(struct it87_data *data, int nr)
+/* Return 1 if and only if the PWM interface is safe to use */
+static int it87_check_pwm(struct device *dev)
{
- data->pwm_ctrl[nr] = it87_read_value(data, IT87_REG_PWM(nr));
- if (has_newer_autopwm(data)) {
- data->pwm_temp_map[nr] = data->pwm_ctrl[nr] & 0x03;
- data->pwm_duty[nr] = it87_read_value(data,
- IT87_REG_PWM_DUTY(nr));
- } else {
- if (data->pwm_ctrl[nr] & 0x80) /* Automatic mode */
- data->pwm_temp_map[nr] = data->pwm_ctrl[nr] & 0x03;
- else /* Manual mode */
- data->pwm_duty[nr] = data->pwm_ctrl[nr] & 0x7f;
- }
+ struct it87_data *data = dev_get_drvdata(dev);
+ /*
+ * Some BIOSes fail to correctly configure the IT87 fans. All fans off
+ * and polarity set to active low is sign that this is the case so we
+ * disable pwm control to protect the user.
+ */
+ int tmp = it87_read_value(data, IT87_REG_FAN_CTL);
- if (has_old_autopwm(data)) {
- int i;
+ if ((tmp & 0x87) == 0) {
+ if (fix_pwm_polarity) {
+ /*
+ * The user asks us to attempt a chip reconfiguration.
+ * This means switching to active high polarity and
+ * inverting all fan speed values.
+ */
+ int i;
+ u8 pwm[3];
- for (i = 0; i < 5 ; i++)
- data->auto_temp[nr][i] = it87_read_value(data,
- IT87_REG_AUTO_TEMP(nr, i));
- for (i = 0; i < 3 ; i++)
- data->auto_pwm[nr][i] = it87_read_value(data,
- IT87_REG_AUTO_PWM(nr, i));
+ for (i = 0; i < ARRAY_SIZE(pwm); i++)
+ pwm[i] = it87_read_value(data,
+ IT87_REG_PWM[i]);
+
+ /*
+ * If any fan is in automatic pwm mode, the polarity
+ * might be correct, as suspicious as it seems, so we
+ * better don't change anything (but still disable the
+ * PWM interface).
+ */
+ if (!((pwm[0] | pwm[1] | pwm[2]) & 0x80)) {
+ dev_info(dev,
+ "Reconfiguring PWM to active high polarity\n");
+ it87_write_value(data, IT87_REG_FAN_CTL,
+ tmp | 0x87);
+ for (i = 0; i < 3; i++)
+ it87_write_value(data,
+ IT87_REG_PWM[i],
+ 0x7f & ~pwm[i]);
+ return 1;
+ }
+
+ dev_info(dev,
+ "PWM configuration is too broken to be fixed\n");
+ }
+
+ dev_info(dev,
+ "Detected broken BIOS defaults, disabling PWM interface\n");
+ return 0;
+ } else if (fix_pwm_polarity) {
+ dev_info(dev,
+ "PWM configuration looks sane, won't touch\n");
}
+
+ return 1;
}
-static struct it87_data *it87_update_device(struct device *dev)
+static int it87_probe(struct platform_device *pdev)
{
- struct it87_data *data = dev_get_drvdata(dev);
- int i;
+ struct it87_data *data;
+ struct resource *res;
+ struct device *dev = &pdev->dev;
+ struct it87_sio_data *sio_data = dev_get_platdata(dev);
+ int enable_pwm_interface;
+ struct device *hwmon_dev;
- mutex_lock(&data->update_lock);
+ res = platform_get_resource(pdev, IORESOURCE_IO, 0);
+ if (!devm_request_region(&pdev->dev, res->start, IT87_EC_EXTENT,
+ DRVNAME)) {
+ dev_err(dev, "Failed to request region 0x%lx-0x%lx\n",
+ (unsigned long)res->start,
+ (unsigned long)(res->start + IT87_EC_EXTENT - 1));
+ return -EBUSY;
+ }
- if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
- || !data->valid) {
- if (update_vbat) {
- /*
- * Cleared after each update, so reenable. Value
- * returned by this read will be previous value
- */
- it87_write_value(data, IT87_REG_CONFIG,
- it87_read_value(data, IT87_REG_CONFIG) | 0x40);
+ data = devm_kzalloc(&pdev->dev, sizeof(struct it87_data), GFP_KERNEL);
+ if (!data)
+ return -ENOMEM;
+
+ data->addr = res->start;
+ data->type = sio_data->type;
+ data->features = it87_devices[sio_data->type].features;
+ data->peci_mask = it87_devices[sio_data->type].peci_mask;
+ data->old_peci_mask = it87_devices[sio_data->type].old_peci_mask;
+ /*
+ * IT8705F Datasheet 0.4.1, 3h == Version G.
+ * IT8712F Datasheet 0.9.1, section 8.3.5 indicates 8h == Version J.
+ * These are the first revisions with 16-bit tachometer support.
+ */
+ switch (data->type) {
+ case it87:
+ if (sio_data->revision >= 0x03) {
+ data->features &= ~FEAT_OLD_AUTOPWM;
+ data->features |= FEAT_FAN16_CONFIG | FEAT_16BIT_FANS;
}
- for (i = 0; i <= 7; i++) {
- data->in[i][0] =
- it87_read_value(data, IT87_REG_VIN(i));
- 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));
+ break;
+ case it8712:
+ if (sio_data->revision >= 0x08) {
+ data->features &= ~FEAT_OLD_AUTOPWM;
+ data->features |= FEAT_FAN16_CONFIG | FEAT_16BIT_FANS |
+ FEAT_FIVE_FANS;
}
- /* in8 (battery) has no limit registers */
- data->in[8][0] = it87_read_value(data, IT87_REG_VIN(8));
- if (data->type == it8603)
- data->in[9][0] = it87_read_value(data, 0x2f);
+ break;
+ default:
+ break;
+ }
- for (i = 0; i < 6; i++) {
- /* Skip disabled fans */
- if (!(data->has_fan & (1 << i)))
- continue;
+ /* Now, we do the remaining detection. */
+ if ((it87_read_value(data, IT87_REG_CONFIG) & 0x80) ||
+ it87_read_value(data, IT87_REG_CHIPID) != 0x90)
+ return -ENODEV;
- data->fan[i][1] =
- it87_read_value(data, IT87_REG_FAN_MIN[i]);
- data->fan[i][0] = it87_read_value(data,
- IT87_REG_FAN[i]);
- /* Add high byte if in 16-bit mode */
- if (has_16bit_fans(data)) {
- data->fan[i][0] |= it87_read_value(data,
- IT87_REG_FANX[i]) << 8;
- data->fan[i][1] |= it87_read_value(data,
- IT87_REG_FANX_MIN[i]) << 8;
- }
- }
- for (i = 0; i < 3; i++) {
- if (!(data->has_temp & (1 << i)))
- continue;
- data->temp[i][0] =
- it87_read_value(data, IT87_REG_TEMP(i));
- data->temp[i][1] =
- it87_read_value(data, IT87_REG_TEMP_LOW(i));
- data->temp[i][2] =
- it87_read_value(data, IT87_REG_TEMP_HIGH(i));
- if (has_temp_offset(data))
- data->temp[i][3] =
- it87_read_value(data,
- IT87_REG_TEMP_OFFSET[i]);
- }
+ platform_set_drvdata(pdev, data);
- /* Newer chips don't have clock dividers */
- if ((data->has_fan & 0x07) && !has_16bit_fans(data)) {
- i = it87_read_value(data, IT87_REG_FAN_DIV);
- data->fan_div[0] = i & 0x07;
- data->fan_div[1] = (i >> 3) & 0x07;
- data->fan_div[2] = (i & 0x40) ? 3 : 1;
- }
+ mutex_init(&data->update_lock);
- 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);
+ /* Check PWM configuration */
+ enable_pwm_interface = it87_check_pwm(dev);
- data->fan_main_ctrl = it87_read_value(data,
- IT87_REG_FAN_MAIN_CTRL);
- data->fan_ctl = it87_read_value(data, IT87_REG_FAN_CTL);
- for (i = 0; i < 3; i++)
- it87_update_pwm_ctrl(data, i);
+ /* Starting with IT8721F, we handle scaling of internal voltages */
+ if (has_12mv_adc(data)) {
+ if (sio_data->internal & BIT(0))
+ data->in_scaled |= BIT(3); /* in3 is AVCC */
+ if (sio_data->internal & BIT(1))
+ data->in_scaled |= BIT(7); /* in7 is VSB */
+ if (sio_data->internal & BIT(2))
+ data->in_scaled |= BIT(8); /* in8 is Vbat */
+ if (sio_data->internal & BIT(3))
+ data->in_scaled |= BIT(9); /* in9 is AVCC */
+ } else if (sio_data->type == it8781 || sio_data->type == it8782 ||
+ sio_data->type == it8783) {
+ if (sio_data->internal & BIT(0))
+ data->in_scaled |= BIT(3); /* in3 is VCC5V */
+ if (sio_data->internal & BIT(1))
+ data->in_scaled |= BIT(7); /* in7 is VCCH5V */
+ }
- data->sensor = it87_read_value(data, IT87_REG_TEMP_ENABLE);
- data->extra = it87_read_value(data, IT87_REG_TEMP_EXTRA);
- /*
- * The IT8705F does not have VID capability.
- * The IT8718F and later don't use IT87_REG_VID for the
- * same purpose.
- */
- if (data->type == it8712 || data->type == it8716) {
- data->vid = it87_read_value(data, IT87_REG_VID);
- /*
- * The older IT8712F revisions had only 5 VID pins,
- * but we assume it is always safe to read 6 bits.
- */
- data->vid &= 0x3f;
- }
- data->last_updated = jiffies;
- data->valid = 1;
+ data->has_temp = 0x07;
+ if (sio_data->skip_temp & BIT(2)) {
+ if (sio_data->type == it8782 &&
+ !(it87_read_value(data, IT87_REG_TEMP_EXTRA) & 0x80))
+ data->has_temp &= ~BIT(2);
}
- mutex_unlock(&data->update_lock);
+ data->in_internal = sio_data->internal;
+ data->has_in = 0x3ff & ~sio_data->skip_in;
+
+ if (has_six_temp(data)) {
+ u8 reg = it87_read_value(data, IT87_REG_TEMP456_ENABLE);
+
+ /* Check for additional temperature sensors */
+ if ((reg & 0x03) >= 0x02)
+ data->has_temp |= BIT(3);
+ if (((reg >> 2) & 0x03) >= 0x02)
+ data->has_temp |= BIT(4);
+ if (((reg >> 4) & 0x03) >= 0x02)
+ data->has_temp |= BIT(5);
+
+ /* Check for additional voltage sensors */
+ if ((reg & 0x03) == 0x01)
+ data->has_in |= BIT(10);
+ if (((reg >> 2) & 0x03) == 0x01)
+ data->has_in |= BIT(11);
+ if (((reg >> 4) & 0x03) == 0x01)
+ data->has_in |= BIT(12);
+ }
- return data;
+ data->has_beep = !!sio_data->beep_pin;
+
+ /* Initialize the IT87 chip */
+ it87_init_device(pdev);
+
+ if (!sio_data->skip_vid) {
+ data->has_vid = true;
+ data->vrm = vid_which_vrm();
+ /* VID reading from Super-I/O config space if available */
+ data->vid = sio_data->vid_value;
+ }
+
+ /* Prepare for sysfs hooks */
+ data->groups[0] = &it87_group;
+ data->groups[1] = &it87_group_in;
+ data->groups[2] = &it87_group_temp;
+ data->groups[3] = &it87_group_fan;
+
+ if (enable_pwm_interface) {
+ data->has_pwm = BIT(ARRAY_SIZE(IT87_REG_PWM)) - 1;
+ data->has_pwm &= ~sio_data->skip_pwm;
+
+ data->groups[4] = &it87_group_pwm;
+ if (has_old_autopwm(data) || has_newer_autopwm(data))
+ data->groups[5] = &it87_group_auto_pwm;
+ }
+
+ hwmon_dev = devm_hwmon_device_register_with_groups(dev,
+ it87_devices[sio_data->type].name,
+ data, data->groups);
+ return PTR_ERR_OR_ZERO(hwmon_dev);
}
-static int __init it87_device_add(unsigned short address,
+static struct platform_driver it87_driver = {
+ .driver = {
+ .name = DRVNAME,
+ },
+ .probe = it87_probe,
+};
+
+static int __init it87_device_add(int index, unsigned short address,
const struct it87_sio_data *sio_data)
{
+ struct platform_device *pdev;
struct resource res = {
.start = address + IT87_EC_OFFSET,
.end = address + IT87_EC_OFFSET + IT87_EC_EXTENT - 1,
@@ -2781,14 +3064,11 @@ static int __init it87_device_add(unsigned short address,
err = acpi_check_resource_conflict(&res);
if (err)
- goto exit;
+ return err;
pdev = platform_device_alloc(DRVNAME, address);
- if (!pdev) {
- err = -ENOMEM;
- pr_err("Device allocation failed\n");
- goto exit;
- }
+ if (!pdev)
+ return -ENOMEM;
err = platform_device_add_resources(pdev, &res, 1);
if (err) {
@@ -2809,44 +3089,61 @@ static int __init it87_device_add(unsigned short address,
goto exit_device_put;
}
+ it87_pdev[index] = pdev;
return 0;
exit_device_put:
platform_device_put(pdev);
-exit:
return err;
}
static int __init sm_it87_init(void)
{
- int err;
- unsigned short isa_address = 0;
+ int sioaddr[2] = { REG_2E, REG_4E };
struct it87_sio_data sio_data;
+ unsigned short isa_address;
+ bool found = false;
+ int i, err;
- memset(&sio_data, 0, sizeof(struct it87_sio_data));
- err = it87_find(&isa_address, &sio_data);
- if (err)
- return err;
err = platform_driver_register(&it87_driver);
if (err)
return err;
- err = it87_device_add(isa_address, &sio_data);
- if (err) {
- platform_driver_unregister(&it87_driver);
- return err;
+ for (i = 0; i < ARRAY_SIZE(sioaddr); i++) {
+ memset(&sio_data, 0, sizeof(struct it87_sio_data));
+ isa_address = 0;
+ err = it87_find(sioaddr[i], &isa_address, &sio_data);
+ if (err || isa_address == 0)
+ continue;
+
+ err = it87_device_add(i, isa_address, &sio_data);
+ if (err)
+ goto exit_dev_unregister;
+ found = true;
}
+ if (!found) {
+ err = -ENODEV;
+ goto exit_unregister;
+ }
return 0;
+
+exit_dev_unregister:
+ /* NULL check handled by platform_device_unregister */
+ platform_device_unregister(it87_pdev[0]);
+exit_unregister:
+ platform_driver_unregister(&it87_driver);
+ return err;
}
static void __exit sm_it87_exit(void)
{
- platform_device_unregister(pdev);
+ /* NULL check handled by platform_device_unregister */
+ platform_device_unregister(it87_pdev[1]);
+ platform_device_unregister(it87_pdev[0]);
platform_driver_unregister(&it87_driver);
}
-
MODULE_AUTHOR("Chris Gauthron, Jean Delvare <jdelvare@suse.de>");
MODULE_DESCRIPTION("IT8705F/IT871xF/IT872xF hardware monitoring driver");
module_param(update_vbat, bool, 0);