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it87: Add experimental support for IT8771E, IT8772E

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Open Hardware Monitor considers IT8771E, IT8772E to be compatible with IT8721F.
Let's see if that is correct. Use at your own risk.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Guenter Roeck
2012-03-03 08:55:22 -08:00
parent 416e8aab2c
commit da930500fb
2 changed files with 36 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
README
View File

@@ -30,6 +30,14 @@ Supported chips:
Prefix: 'it8728'
Addresses scanned: from Super I/O config space (8 I/O ports)
Datasheet: Not publicly available
* IT8771E
Prefix: 'it8771'
Addresses scanned: from Super I/O config space (8 I/O ports)
Datasheet: Not publicly available
* IT8772E
Prefix: 'it8772'
Addresses scanned: from Super I/O config space (8 I/O ports)
Datasheet: Not publicly available
* IT8783E/F
Prefix: 'it8783'
Addresses scanned: from Super I/O config space (8 I/O ports)

34
it87.c
View File

@@ -19,6 +19,8 @@
* IT8726F Super I/O chip w/LPC interface
* IT8728F Super I/O chip w/LPC interface
* IT8758E Super I/O chip w/LPC interface
* IT8771E Super I/O chip w/LPC interface
* IT8772E Super I/O chip w/LPC interface
* IT8783E/F Super I/O chip w/LPC interface
* Sis950 A clone of the IT8705F
*
@@ -67,7 +69,8 @@
#define DRVNAME "it87"
enum chips { it87, it8712, it8716, it8718, it8720, it8721, it8728, it8783 };
enum chips { it87, it8712, it8716, it8718, it8720, it8721, it8728, it8771,
it8772, it8783 };
static unsigned short force_id;
module_param(force_id, ushort, 0);
@@ -149,6 +152,8 @@ static inline void superio_exit(void)
#define IT8721F_DEVID 0x8721
#define IT8726F_DEVID 0x8726
#define IT8728F_DEVID 0x8728
#define IT8771E_DEVID 0x8771
#define IT8772E_DEVID 0x8772
#define IT8783E_DEVID 0x8783
#define IT87_ACT_REG 0x30
#define IT87_BASE_REG 0x60
@@ -307,7 +312,9 @@ static inline int has_12mv_adc(const struct it87_data *data)
* on selected inputs.
*/
return data->type == it8721
|| data->type == it8728;
|| data->type == it8728
|| data->type == it8771
|| data->type == it8772;
}
static inline int has_newer_autopwm(const struct it87_data *data)
@@ -315,9 +322,12 @@ static inline int has_newer_autopwm(const struct it87_data *data)
/*
* IT8721F and later have separate registers for the temperature
* mapping and the manual duty cycle.
* [ Assume that also applies to IT8771 / IT8772 ]
*/
return data->type == it8721
|| data->type == it8728;
|| data->type == it8728
|| data->type == it8771
|| data->type == it8772;
}
static u8 in_to_reg(const struct it87_data *data, int nr, long val)
@@ -432,6 +442,8 @@ static inline int has_16bit_fans(const struct it87_data *data)
|| data->type == it8720
|| data->type == it8721
|| data->type == it8728
|| data->type == it8771
|| data->type == it8772
|| data->type == it8783;
}
@@ -1676,6 +1688,12 @@ static int __init it87_find(unsigned short *address,
case IT8728F_DEVID:
sio_data->type = it8728;
break;
case IT8771E_DEVID:
sio_data->type = it8771;
break;
case IT8772E_DEVID:
sio_data->type = it8772;
break;
case IT8783E_DEVID:
sio_data->type = it8783;
break;
@@ -1774,10 +1792,11 @@ static int __init it87_find(unsigned short *address,
superio_select(GPIO);
reg = superio_inb(IT87_SIO_GPIO3_REG);
if (sio_data->type == it8721 || sio_data->type == it8728) {
if (sio_data->type == it8721 || sio_data->type == it8728
|| sio_data->type == it8771 || sio_data->type == it8772) {
/*
* The IT8721F/IT8758E don't have VID pins at all,
* not sure about the IT8728F.
* not sure about the IT8728F, IT8771E, IT8772E.
*/
sio_data->skip_vid = 1;
} else {
@@ -1824,7 +1843,8 @@ static int __init it87_find(unsigned short *address,
if (reg & (1 << 0))
sio_data->internal |= (1 << 0);
if ((reg & (1 << 1)) || sio_data->type == it8721 ||
sio_data->type == it8728)
sio_data->type == it8728 || sio_data->type == it8771 ||
sio_data->type == it8772 )
sio_data->internal |= (1 << 1);
sio_data->beep_pin = superio_inb(IT87_SIO_BEEP_PIN_REG) & 0x3f;
@@ -1905,6 +1925,8 @@ static int __devinit it87_probe(struct platform_device *pdev)
"it8720",
"it8721",
"it8728",
"it8771",
"it8772",
"it8783",
};