diff --git a/Documentation/hwmon/w83627ehf b/Documentation/hwmon/w83627ehf index d6e1ae30fa6e61f3da3e523befa708dcfbedb627..b6eb59384bb39c1b67d0c99a1ade601269a64d05 100644 --- a/Documentation/hwmon/w83627ehf +++ b/Documentation/hwmon/w83627ehf @@ -2,30 +2,40 @@ Kernel driver w83627ehf ======================= Supported chips: - * Winbond W83627EHF/EHG/DHG (ISA access ONLY) + * Winbond W83627EHF/EHG (ISA access ONLY) Prefix: 'w83627ehf' Addresses scanned: ISA address retrieved from Super I/O registers Datasheet: - http://www.winbond-usa.com/products/winbond_products/pdfs/PCIC/W83627EHF_%20W83627EHGb.pdf - DHG datasheet confidential. + http://www.nuvoton.com.tw/NR/rdonlyres/A6A258F0-F0C9-4F97-81C0-C4D29E7E943E/0/W83627EHF.pdf + * Winbond W83627DHG + Prefix: 'w83627dhg' + Addresses scanned: ISA address retrieved from Super I/O registers + Datasheet: + http://www.nuvoton.com.tw/NR/rdonlyres/7885623D-A487-4CF9-A47F-30C5F73D6FE6/0/W83627DHG.pdf + * Winbond W83667HG + Prefix: 'w83667hg' + Addresses scanned: ISA address retrieved from Super I/O registers + Datasheet: not available Authors: Jean Delvare Yuan Mu (Winbond) Rudolf Marek David Hubbard + Gong Jun Description ----------- -This driver implements support for the Winbond W83627EHF, W83627EHG, and -W83627DHG super I/O chips. We will refer to them collectively as Winbond chips. +This driver implements support for the Winbond W83627EHF, W83627EHG, +W83627DHG and W83667HG super I/O chips. We will refer to them collectively +as Winbond chips. The chips implement three temperature sensors, five fan rotation speed sensors, ten analog voltage sensors (only nine for the 627DHG), one -VID (6 pins for the 627EHF/EHG, 8 pins for the 627DHG), alarms with beep -warnings (control unimplemented), and some automatic fan regulation -strategies (plus manual fan control mode). +VID (6 pins for the 627EHF/EHG, 8 pins for the 627DHG and 667HG), alarms +with beep warnings (control unimplemented), and some automatic fan +regulation strategies (plus manual fan control mode). Temperatures are measured in degrees Celsius and measurement resolution is 1 degC for temp1 and 0.5 degC for temp2 and temp3. An alarm is triggered when @@ -54,7 +64,8 @@ follows: temp1 -> pwm1 temp2 -> pwm2 temp3 -> pwm3 -prog -> pwm4 (the programmable setting is not supported by the driver) +prog -> pwm4 (not on 667HG; the programmable setting is not supported by + the driver) /sys files ---------- diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig index b4eea0292c1a240cc8d7c71cfd6772baaa51537b..0eb4170cc4af56bb1523fc3971c487ef70a64d61 100644 --- a/drivers/hwmon/Kconfig +++ b/drivers/hwmon/Kconfig @@ -827,7 +827,7 @@ config SENSORS_W83627HF will be called w83627hf. config SENSORS_W83627EHF - tristate "Winbond W83627EHF/DHG" + tristate "Winbond W83627EHF/EHG/DHG, W83667HG" select HWMON_VID help If you say yes here you get support for the hardware @@ -838,6 +838,8 @@ config SENSORS_W83627EHF chip suited for specific Intel processors that use PECI such as the Core 2 Duo. + This driver also supports the W83667HG chip. + This driver can also be built as a module. If so, the module will be called w83627ehf. diff --git a/drivers/hwmon/w83627ehf.c b/drivers/hwmon/w83627ehf.c index 18432e34dc7aa9ccbd7568cb53d70a57e44e8d3b..20a9332959bb2643981cbe3989cea9c065caffc7 100644 --- a/drivers/hwmon/w83627ehf.c +++ b/drivers/hwmon/w83627ehf.c @@ -36,6 +36,7 @@ w83627ehf 10 5 4 3 0x8850 0x88 0x5ca3 0x8860 0xa1 w83627dhg 9 5 4 3 0xa020 0xc1 0x5ca3 + w83667hg 9 5 3 3 0xa510 0xc1 0x5ca3 */ #include @@ -52,12 +53,13 @@ #include #include "lm75.h" -enum kinds { w83627ehf, w83627dhg }; +enum kinds { w83627ehf, w83627dhg, w83667hg }; /* used to set data->name = w83627ehf_device_names[data->sio_kind] */ static const char * w83627ehf_device_names[] = { "w83627ehf", "w83627dhg", + "w83667hg", }; static unsigned short force_id; @@ -71,6 +73,7 @@ MODULE_PARM_DESC(force_id, "Override the detected device ID"); */ #define W83627EHF_LD_HWM 0x0b +#define W83667HG_LD_VID 0x0d #define SIO_REG_LDSEL 0x07 /* Logical device select */ #define SIO_REG_DEVID 0x20 /* Device ID (2 bytes) */ @@ -83,6 +86,7 @@ MODULE_PARM_DESC(force_id, "Override the detected device ID"); #define SIO_W83627EHF_ID 0x8850 #define SIO_W83627EHG_ID 0x8860 #define SIO_W83627DHG_ID 0xa020 +#define SIO_W83667HG_ID 0xa510 #define SIO_ID_MASK 0xFFF0 static inline void @@ -289,6 +293,7 @@ struct w83627ehf_data { u8 pwm_mode[4]; /* 0->DC variable voltage, 1->PWM variable duty cycle */ u8 pwm_enable[4]; /* 1->manual 2->thermal cruise (also called SmartFan I) */ + u8 pwm_num; /* number of pwm */ u8 pwm[4]; u8 target_temp[4]; u8 tolerance[4]; @@ -1192,7 +1197,7 @@ static void w83627ehf_device_remove_files(struct device *dev) device_remove_file(dev, &sda_fan_div[i].dev_attr); device_remove_file(dev, &sda_fan_min[i].dev_attr); } - for (i = 0; i < 4; i++) { + for (i = 0; i < data->pwm_num; i++) { device_remove_file(dev, &sda_pwm[i].dev_attr); device_remove_file(dev, &sda_pwm_mode[i].dev_attr); device_remove_file(dev, &sda_pwm_enable[i].dev_attr); @@ -1272,8 +1277,10 @@ static int __devinit w83627ehf_probe(struct platform_device *pdev) data->name = w83627ehf_device_names[sio_data->kind]; platform_set_drvdata(pdev, data); - /* 627EHG and 627EHF have 10 voltage inputs; DHG has 9 */ - data->in_num = (sio_data->kind == w83627dhg) ? 9 : 10; + /* 627EHG and 627EHF have 10 voltage inputs; 627DHG and 667HG have 9 */ + data->in_num = (sio_data->kind == w83627ehf) ? 10 : 9; + /* 667HG has 3 pwms */ + data->pwm_num = (sio_data->kind == w83667hg) ? 3 : 4; /* Initialize the chip */ w83627ehf_init_device(data); @@ -1281,44 +1288,64 @@ static int __devinit w83627ehf_probe(struct platform_device *pdev) data->vrm = vid_which_vrm(); superio_enter(sio_data->sioreg); /* Read VID value */ - superio_select(sio_data->sioreg, W83627EHF_LD_HWM); - if (superio_inb(sio_data->sioreg, SIO_REG_VID_CTRL) & 0x80) { - /* Set VID input sensibility if needed. In theory the BIOS - should have set it, but in practice it's not always the - case. We only do it for the W83627EHF/EHG because the - W83627DHG is more complex in this respect. */ - if (sio_data->kind == w83627ehf) { - en_vrm10 = superio_inb(sio_data->sioreg, - SIO_REG_EN_VRM10); - if ((en_vrm10 & 0x08) && data->vrm == 90) { - dev_warn(dev, "Setting VID input voltage to " - "TTL\n"); - superio_outb(sio_data->sioreg, SIO_REG_EN_VRM10, - en_vrm10 & ~0x08); - } else if (!(en_vrm10 & 0x08) && data->vrm == 100) { - dev_warn(dev, "Setting VID input voltage to " - "VRM10\n"); - superio_outb(sio_data->sioreg, SIO_REG_EN_VRM10, - en_vrm10 | 0x08); - } - } - - data->vid = superio_inb(sio_data->sioreg, SIO_REG_VID_DATA); - if (sio_data->kind == w83627ehf) /* 6 VID pins only */ - data->vid &= 0x3f; - + if (sio_data->kind == w83667hg) { + /* W83667HG has different pins for VID input and output, so + we can get the VID input values directly at logical device D + 0xe3. */ + superio_select(sio_data->sioreg, W83667HG_LD_VID); + data->vid = superio_inb(sio_data->sioreg, 0xe3); err = device_create_file(dev, &dev_attr_cpu0_vid); if (err) goto exit_release; } else { - dev_info(dev, "VID pins in output mode, CPU VID not " - "available\n"); + superio_select(sio_data->sioreg, W83627EHF_LD_HWM); + if (superio_inb(sio_data->sioreg, SIO_REG_VID_CTRL) & 0x80) { + /* Set VID input sensibility if needed. In theory the + BIOS should have set it, but in practice it's not + always the case. We only do it for the W83627EHF/EHG + because the W83627DHG is more complex in this + respect. */ + if (sio_data->kind == w83627ehf) { + en_vrm10 = superio_inb(sio_data->sioreg, + SIO_REG_EN_VRM10); + if ((en_vrm10 & 0x08) && data->vrm == 90) { + dev_warn(dev, "Setting VID input " + "voltage to TTL\n"); + superio_outb(sio_data->sioreg, + SIO_REG_EN_VRM10, + en_vrm10 & ~0x08); + } else if (!(en_vrm10 & 0x08) + && data->vrm == 100) { + dev_warn(dev, "Setting VID input " + "voltage to VRM10\n"); + superio_outb(sio_data->sioreg, + SIO_REG_EN_VRM10, + en_vrm10 | 0x08); + } + } + + data->vid = superio_inb(sio_data->sioreg, + SIO_REG_VID_DATA); + if (sio_data->kind == w83627ehf) /* 6 VID pins only */ + data->vid &= 0x3f; + + err = device_create_file(dev, &dev_attr_cpu0_vid); + if (err) + goto exit_release; + } else { + dev_info(dev, "VID pins in output mode, CPU VID not " + "available\n"); + } } /* fan4 and fan5 share some pins with the GPIO and serial flash */ - - fan5pin = !(superio_inb(sio_data->sioreg, 0x24) & 0x2); - fan4pin = !(superio_inb(sio_data->sioreg, 0x29) & 0x6); + if (sio_data->kind == w83667hg) { + fan5pin = superio_inb(sio_data->sioreg, 0x27) & 0x20; + fan4pin = superio_inb(sio_data->sioreg, 0x27) & 0x40; + } else { + fan5pin = !(superio_inb(sio_data->sioreg, 0x24) & 0x02); + fan4pin = !(superio_inb(sio_data->sioreg, 0x29) & 0x06); + } superio_exit(sio_data->sioreg); /* It looks like fan4 and fan5 pins can be alternatively used @@ -1344,7 +1371,7 @@ static int __devinit w83627ehf_probe(struct platform_device *pdev) goto exit_remove; /* if fan4 is enabled create the sf3 files for it */ - if (data->has_fan & (1 << 3)) + if ((data->has_fan & (1 << 3)) && data->pwm_num >= 4) for (i = 0; i < ARRAY_SIZE(sda_sf3_arrays_fan4); i++) { if ((err = device_create_file(dev, &sda_sf3_arrays_fan4[i].dev_attr))) @@ -1372,7 +1399,7 @@ static int __devinit w83627ehf_probe(struct platform_device *pdev) || (err = device_create_file(dev, &sda_fan_min[i].dev_attr))) goto exit_remove; - if (i < 4 && /* w83627ehf only has 4 pwm */ + if (i < data->pwm_num && ((err = device_create_file(dev, &sda_pwm[i].dev_attr)) || (err = device_create_file(dev, @@ -1442,6 +1469,7 @@ static int __init w83627ehf_find(int sioaddr, unsigned short *addr, static const char __initdata sio_name_W83627EHF[] = "W83627EHF"; static const char __initdata sio_name_W83627EHG[] = "W83627EHG"; static const char __initdata sio_name_W83627DHG[] = "W83627DHG"; + static const char __initdata sio_name_W83667HG[] = "W83667HG"; u16 val; const char *sio_name; @@ -1466,6 +1494,10 @@ static int __init w83627ehf_find(int sioaddr, unsigned short *addr, sio_data->kind = w83627dhg; sio_name = sio_name_W83627DHG; break; + case SIO_W83667HG_ID: + sio_data->kind = w83667hg; + sio_name = sio_name_W83667HG; + break; default: if (val != 0xffff) pr_debug(DRVNAME ": unsupported chip ID: 0x%04x\n",