diff options
| author | Guenter Roeck <linux@roeck-us.net> | 2015-02-13 20:13:20 -0800 |
|---|---|---|
| committer | Guenter Roeck <linux@roeck-us.net> | 2015-04-05 06:01:00 -0700 |
| commit | 3ba9d977a9b8a90c586f46444448d977bdbdcc3b (patch) | |
| tree | 529dd8b075d05611b6a7a304a1cf54576eaf8166 /drivers/hwmon/it87.c | |
| parent | 4ee07157d690b1b824328a473816a371130de6f2 (diff) | |
| download | linux-next-3ba9d977a9b8a90c586f46444448d977bdbdcc3b.tar.gz | |
hwmon: (it87) Add support for IT8620E
IT8620E is mostly compatible to IT7828F. Add generic support for it.
IT8620E supports up to 6 fan tachometers and 6 pwm controls.
Support for the 6th tachometer and for the additional pwm controls
are addded in separate patches.
Reviewed-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'drivers/hwmon/it87.c')
| -rw-r--r-- | drivers/hwmon/it87.c | 43 |
1 files changed, 42 insertions, 1 deletions
diff --git a/drivers/hwmon/it87.c b/drivers/hwmon/it87.c index 80580cdf9a15..4e4db72d38e8 100644 --- a/drivers/hwmon/it87.c +++ b/drivers/hwmon/it87.c @@ -11,6 +11,7 @@ * similar parts. The other devices are supported by different drivers. * * 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 * IT8705F Super I/O chip w/LPC interface * IT8712F Super I/O chip w/LPC interface @@ -69,7 +70,7 @@ #define DRVNAME "it87" enum chips { it87, it8712, it8716, it8718, it8720, it8721, it8728, it8771, - it8772, it8781, it8782, it8783, it8786, it8790, it8603 }; + it8772, it8781, it8782, it8783, it8786, it8790, it8603, it8620 }; static unsigned short force_id; module_param(force_id, ushort, 0); @@ -155,12 +156,14 @@ static inline void superio_exit(void) #define IT8786E_DEVID 0x8786 #define IT8790E_DEVID 0x8790 #define IT8603E_DEVID 0x8603 +#define IT8620E_DEVID 0x8620 #define IT8623E_DEVID 0x8623 #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_GPIO2_REG 0x26 #define IT87_SIO_GPIO3_REG 0x27 #define IT87_SIO_GPIO5_REG 0x29 #define IT87_SIO_PINX1_REG 0x2a /* Pin selection */ @@ -375,6 +378,14 @@ static const struct it87_devices it87_devices[] = { | FEAT_TEMP_OFFSET | FEAT_TEMP_PECI | FEAT_IN7_INTERNAL, .peci_mask = 0x07, }, + [it8620] = { + .name = "it8620", + .suffix = "E", + .features = FEAT_NEWER_AUTOPWM | FEAT_12MV_ADC | FEAT_16BIT_FANS + | FEAT_TEMP_OFFSET | FEAT_TEMP_PECI | FEAT_FIVE_FANS + | FEAT_IN7_INTERNAL, + .peci_mask = 0x07, + }, }; #define has_16bit_fans(data) ((data)->features & FEAT_16BIT_FANS) @@ -1850,6 +1861,9 @@ static int __init it87_find(unsigned short *address, case IT8623E_DEVID: sio_data->type = it8603; break; + case IT8620E_DEVID: + sio_data->type = it8620; + break; case 0xffff: /* No device at all */ goto exit; default: @@ -1985,6 +1999,33 @@ static int __init it87_find(unsigned short *address, 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) { + int reg; + + superio_select(GPIO); + + /* 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); + + /* 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); + + /* 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); + + sio_data->beep_pin = superio_inb(IT87_SIO_BEEP_PIN_REG) & 0x3f; } else { int reg; bool uart6; |