Assume all three are compatible and have the same functionality.
Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx>
---
This patch depends on the other pending changes for the it87 driver in my
hwmon-next tree.
Documentation/hwmon/it87 | 24 +++++++----
drivers/hwmon/it87.c | 93 ++++++++++++++++++++++++++++++++++++++++++----
2 files changed, 100 insertions(+), 17 deletions(-)
diff --git a/Documentation/hwmon/it87 b/Documentation/hwmon/it87
index 23b7def..b0c1dcd 100644
--- a/Documentation/hwmon/it87
+++ b/Documentation/hwmon/it87
@@ -30,6 +30,10 @@ Supported chips:
Prefix: 'it8728'
Addresses scanned: from Super I/O config space (8 I/O ports)
Datasheet: Not publicly available
+ * IT8781F/IT8782F/IT8783E/F
+ Prefix: 'it8783'
+ Addresses scanned: from Super I/O config space (8 I/O ports)
+ Datasheet: Not publicly available
* SiS950 [clone of IT8705F]
Prefix: 'it87'
Addresses scanned: from Super I/O config space (8 I/O ports)
@@ -75,7 +79,8 @@ Description
-----------
This driver implements support for the IT8705F, IT8712F, IT8716F,
-IT8718F, IT8720F, IT8721F, IT8726F, IT8728F, IT8758E and SiS950 chips.
+IT8718F, IT8720F, IT8721F, IT8726F, IT8728F, IT8758E, IT8781F, IT8782F,
+IT8783E/F, and SiS950 chips.
These chips are 'Super I/O chips', supporting floppy disks, infrared ports,
joysticks and other miscellaneous stuff. For hardware monitoring, they
@@ -99,11 +104,11 @@ The IT8716F, IT8718F, IT8720F, IT8721F/IT8758E and later IT8712F revisions
have support for 2 additional fans. The additional fans are supported by the
driver.
-The IT8716F, IT8718F, IT8720F and IT8721F/IT8758E, and late IT8712F and
-IT8705F also have optional 16-bit tachometer counters for fans 1 to 3. This
-is better (no more fan clock divider mess) but not compatible with the older
-chips and revisions. The 16-bit tachometer mode is enabled by the driver when
-one of the above chips is detected.
+The IT8716F, IT8718F, IT8720F and IT8721F/IT8758E, IT8781F, IT8782F, IT8783E/F,
+and late IT8712F and IT8705F also have optional 16-bit tachometer counters for
+fans 1 to 3. This is better (no more fan clock divider mess) but not compatible
+with the older chips and revisions. The 16-bit tachometer mode is enabled by the
+driver when one of the above chips is detected.
The IT8726F is just bit enhanced IT8716F with additional hardware
for AMD power sequencing. Therefore the chip will appear as IT8716F
@@ -131,9 +136,10 @@ inputs can measure voltages between 0 and 4.08 volts, with a resolution of
0.016 volt (except IT8721F/IT8758E and IT8728F: 0.012 volt.) The battery
voltage in8 does not have limit registers.
-On the IT8721F/IT8758E, some voltage inputs are internal and scaled inside
-the chip (in7, in8 and optionally in3). The driver handles this transparently
-so user-space doesn't have to care.
+On the IT8721F/IT8758E/IT8781F/IT8782F/IT8783E/F, some voltage inputs are
+internal and scaled inside the chip (in7 (optional for IT8781/2/3), in8 and
+optionally in3). The driver handles this transparently so user-space doesn't
+have to care.
The VID lines (IT8712F/IT8716F/IT8718F/IT8720F) encode the core voltage value:
the voltage level your processor should work with. This is hardcoded by
diff --git a/drivers/hwmon/it87.c b/drivers/hwmon/it87.c
index 0b204e4..afaf19b 100644
--- a/drivers/hwmon/it87.c
+++ b/drivers/hwmon/it87.c
@@ -19,6 +19,9 @@
* IT8726F Super I/O chip w/LPC interface
* IT8728F Super I/O chip w/LPC interface
* IT8758E Super I/O chip w/LPC interface
+ * IT8781F Super I/O chip w/LPC interface
+ * IT8782F Super I/O chip w/LPC interface
+ * IT8783E/F Super I/O chip w/LPC interface
* Sis950 A clone of the IT8705F
*
* Copyright (C) 2001 Chris Gauthron
@@ -59,7 +62,7 @@
#define DRVNAME "it87"
-enum chips { it87, it8712, it8716, it8718, it8720, it8721, it8728 };
+enum chips { it87, it8712, it8716, it8718, it8720, it8721, it8728, it8783 };
static unsigned short force_id;
module_param(force_id, ushort, 0);
@@ -137,13 +140,19 @@ static inline void superio_exit(void)
#define IT8721F_DEVID 0x8721
#define IT8726F_DEVID 0x8726
#define IT8728F_DEVID 0x8728
+#define IT8781F_DEVID 0x8781
+#define IT8782F_DEVID 0x8782
+#define IT8783E_DEVID 0x8783
#define IT87_ACT_REG 0x30
#define IT87_BASE_REG 0x60
/* Logical device 7 registers (IT8712F and later) */
+#define IT87_SIO_GPIO1_REG 0x25
#define IT87_SIO_GPIO3_REG 0x27
#define IT87_SIO_GPIO5_REG 0x29
+#define IT87_SIO_PINX1_REG 0x2a /* Pin selection */
#define IT87_SIO_PINX2_REG 0x2c /* Pin selection */
+#define IT87_SIO_SPI_REG 0xef /* SPI function pin select */
#define IT87_SIO_VID_REG 0xfc /* VID value */
#define IT87_SIO_BEEP_PIN_REG 0xf6 /* Beep pin mapping */
@@ -313,8 +322,12 @@ static u8 in_to_reg(const struct it87_data *data, int nr, long val)
lsb = 24;
else
lsb = 12;
- } else
- lsb = 16;
+ } else {
+ if (data->in_scaled & (1 << nr))
+ lsb = 32;
+ else
+ lsb = 16;
+ }
val = DIV_ROUND_CLOSEST(val, lsb);
return SENSORS_LIMIT(val, 0, 255);
@@ -327,8 +340,12 @@ static int in_from_reg(const struct it87_data *data, int nr, int val)
return val * 24;
else
return val * 12;
- } else
- return val * 16;
+ } else {
+ if (data->in_scaled & (1 << nr))
+ return val * 32;
+ else
+ return val * 16;
+ }
}
static inline u8 FAN_TO_REG(long rpm, int div)
@@ -407,7 +424,8 @@ static inline int has_16bit_fans(const struct it87_data *data)
|| data->type == it8718
|| data->type == it8720
|| data->type == it8721
- || data->type == it8728;
+ || data->type == it8728
+ || data->type == it8783;
}
static inline int has_old_autopwm(const struct it87_data *data)
@@ -1651,6 +1669,11 @@ static int __init it87_find(unsigned short *address,
case IT8728F_DEVID:
sio_data->type = it8728;
break;
+ case IT8781F_DEVID:
+ case IT8782F_DEVID:
+ case IT8783E_DEVID:
+ sio_data->type = it8783;
+ break;
case 0xffff: /* No device at all */
goto exit;
default:
@@ -1686,6 +1709,54 @@ static int __init it87_find(unsigned short *address,
/* The IT8705F has a different LD number for GPIO */
superio_select(5);
sio_data->beep_pin = superio_inb(IT87_SIO_BEEP_PIN_REG) & 0x3f;
+ } else if (sio_data->type == it8783) {
+ int reg25, reg27, reg2A, reg2C, regEF;
+
+ sio_data->skip_vid = 1; /* No VID */
+
+ superio_select(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);
+
+ /* 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);
+
+ /* 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);
+
+ /* VIN5 */
+ if ((reg27 & (1 << 0)) || (reg2C & (1 << 2)))
+ ; /* No VIN5 */
+
+ /* VIN6 */
+ if ((reg27 & (1 << 1)) || (reg2C & (1 << 2)))
+ ; /* No VIN6 */
+
+ /*
+ * VIN7
+ * Does not depend on bit 2 of Reg2C, contrary to datasheet.
+ */
+ if (reg27 & (1 << 2))
+ ; /* No VIN7 */
+
+ if (reg2C & (1 << 0))
+ sio_data->internal |= (1 << 0);
+ if (reg2C & (1 << 1))
+ sio_data->internal |= (1 << 1);
+
+ sio_data->beep_pin = superio_inb(IT87_SIO_BEEP_PIN_REG) & 0x3f;
+
} else {
int reg;
@@ -1823,6 +1894,7 @@ static int __devinit it87_probe(struct platform_device *pdev)
"it8720",
"it8721",
"it8728",
+ "it8783",
};
res = platform_get_resource(pdev, IORESOURCE_IO, 0);
@@ -1867,6 +1939,11 @@ static int __devinit it87_probe(struct platform_device *pdev)
data->in_scaled |= (1 << 7); /* in7 is VSB */
if (sio_data->internal & (1 << 2))
data->in_scaled |= (1 << 8); /* in8 is Vbat */
+ } else if (sio_data->type == it8783) {
+ if (sio_data->internal & (1 << 0))
+ data->in_scaled |= (1 << 3); /* in3 is VCC5V */
+ if (sio_data->internal & (1 << 1))
+ data->in_scaled |= (1 << 7); /* in7 is VCCH5V */
}
/* Initialize the IT87 chip */
@@ -2143,8 +2220,8 @@ static void __devinit it87_init_device(struct platform_device *pdev)
it87_write_value(data, IT87_REG_FAN_16BIT,
tmp | 0x07);
}
- /* IT8705F only supports three fans. */
- if (data->type != it87) {
+ /* IT8705F and IT8783E/F only support three fans. */
+ if (data->type != it87 && data->type != it8783) {
if (tmp & (1 << 4))
data->has_fan |= (1 << 3); /* fan4 enabled */
if (tmp & (1 << 5))
--
1.7.5.4
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