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it87: Add experimental support for IT8781F and IT8782F

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Assume that IT8781F and IT8782F are compatible with IT8783E/F.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Guenter Roeck
2012-03-03 09:36:01 -08:00
parent 3a7f32d3b1
commit cc3bd8d163
2 changed files with 29 additions and 4 deletions
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8
README
View File

@@ -38,6 +38,14 @@ Supported chips:
Prefix: 'it8772'
Addresses scanned: from Super I/O config space (8 I/O ports)
Datasheet: Not publicly available
* IT8781F
Prefix: 'it8781'
Addresses scanned: from Super I/O config space (8 I/O ports)
Datasheet: Not publicly available
* IT8782F
Prefix: 'it8782'
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)

25
it87.c
View File

@@ -21,6 +21,8 @@
* IT8758E Super I/O chip w/LPC interface
* IT8771E Super I/O chip w/LPC interface
* IT8772E Super I/O chip w/LPC interface
* IT8781F Super I/O chip w/LPC interface
* IT8782F Super I/O chip w/LPC interface
* IT8783E/F Super I/O chip w/LPC interface
* Sis950 A clone of the IT8705F
*
@@ -70,7 +72,7 @@
#define DRVNAME "it87"
enum chips { it87, it8712, it8716, it8718, it8720, it8721, it8728, it8771,
it8772, it8783 };
it8772, it8781, it8782, it8783 };
static unsigned short force_id;
module_param(force_id, ushort, 0);
@@ -154,6 +156,8 @@ static inline void superio_exit(void)
#define IT8728F_DEVID 0x8728
#define IT8771E_DEVID 0x8771
#define IT8772E_DEVID 0x8772
#define IT8781F_DEVID 0x8781
#define IT8782F_DEVID 0x8782
#define IT8783E_DEVID 0x8783
#define IT87_ACT_REG 0x30
#define IT87_BASE_REG 0x60
@@ -444,6 +448,8 @@ static inline int has_16bit_fans(const struct it87_data *data)
|| data->type == it8728
|| data->type == it8771
|| data->type == it8772
|| data->type == it8781
|| data->type == it8782
|| data->type == it8783;
}
@@ -1694,6 +1700,12 @@ static int __init it87_find(unsigned short *address,
case IT8772E_DEVID:
sio_data->type = it8772;
break;
case IT8781F_DEVID:
sio_data->type = it8781;
break;
case IT8782F_DEVID:
sio_data->type = it8782;
break;
case IT8783E_DEVID:
sio_data->type = it8783;
break;
@@ -1732,7 +1744,8 @@ 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) {
} else if (sio_data->type == it8781 || sio_data->type == it8782 ||
sio_data->type == it8783) {
int reg25, reg27, reg2A, reg2C, regEF;
sio_data->skip_vid = 1; /* No VID */
@@ -1927,6 +1940,8 @@ static int __devinit it87_probe(struct platform_device *pdev)
"it8728",
"it8771",
"it8772",
"it8781",
"it8782",
"it8783",
};
@@ -1972,7 +1987,8 @@ 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) {
} 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))
@@ -2254,7 +2270,8 @@ static void __devinit it87_init_device(struct platform_device *pdev)
tmp | 0x07);
}
/* IT8705F and IT8783E/F only support three fans. */
if (data->type != it87 && data->type != it8783) {
if (data->type != it87 && data->type != it8781
&& data->type != it8782 && data->type != it8783) {
if (tmp & (1 << 4))
data->has_fan |= (1 << 3); /* fan4 enabled */
if (tmp & (1 << 5))