hwmon: (w83627ehf) Only expose in6 or temp3 on the W83667HG
[pandora-kernel.git] / drivers / hwmon / w83627ehf.c
index feae743..e64b420 100644 (file)
@@ -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 <linux/module.h>
 #include <asm/io.h>
 #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];
@@ -298,6 +303,9 @@ struct w83627ehf_data {
 
        u8 vid;
        u8 vrm;
+
+       u8 temp3_disable;
+       u8 in6_skip;
 };
 
 struct w83627ehf_sio_data {
@@ -866,25 +874,37 @@ show_temp_type(struct device *dev, struct device_attribute *attr, char *buf)
        return sprintf(buf, "%d\n", (int)data->temp_type[nr]);
 }
 
-static struct sensor_device_attribute sda_temp[] = {
+static struct sensor_device_attribute sda_temp_input[] = {
        SENSOR_ATTR(temp1_input, S_IRUGO, show_temp1, NULL, 0),
        SENSOR_ATTR(temp2_input, S_IRUGO, show_temp, NULL, 0),
        SENSOR_ATTR(temp3_input, S_IRUGO, show_temp, NULL, 1),
+};
+
+static struct sensor_device_attribute sda_temp_max[] = {
        SENSOR_ATTR(temp1_max, S_IRUGO | S_IWUSR, show_temp1_max,
                    store_temp1_max, 0),
        SENSOR_ATTR(temp2_max, S_IRUGO | S_IWUSR, show_temp_max,
                    store_temp_max, 0),
        SENSOR_ATTR(temp3_max, S_IRUGO | S_IWUSR, show_temp_max,
                    store_temp_max, 1),
+};
+
+static struct sensor_device_attribute sda_temp_max_hyst[] = {
        SENSOR_ATTR(temp1_max_hyst, S_IRUGO | S_IWUSR, show_temp1_max_hyst,
                    store_temp1_max_hyst, 0),
        SENSOR_ATTR(temp2_max_hyst, S_IRUGO | S_IWUSR, show_temp_max_hyst,
                    store_temp_max_hyst, 0),
        SENSOR_ATTR(temp3_max_hyst, S_IRUGO | S_IWUSR, show_temp_max_hyst,
                    store_temp_max_hyst, 1),
+};
+
+static struct sensor_device_attribute sda_temp_alarm[] = {
        SENSOR_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 4),
        SENSOR_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 5),
        SENSOR_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 13),
+};
+
+static struct sensor_device_attribute sda_temp_type[] = {
        SENSOR_ATTR(temp1_type, S_IRUGO, show_temp_type, NULL, 0),
        SENSOR_ATTR(temp2_type, S_IRUGO, show_temp_type, NULL, 1),
        SENSOR_ATTR(temp3_type, S_IRUGO, show_temp_type, NULL, 2),
@@ -1181,6 +1201,8 @@ static void w83627ehf_device_remove_files(struct device *dev)
        for (i = 0; i < ARRAY_SIZE(sda_sf3_arrays_fan4); i++)
                device_remove_file(dev, &sda_sf3_arrays_fan4[i].dev_attr);
        for (i = 0; i < data->in_num; i++) {
+               if ((i == 6) && data->in6_skip)
+                       continue;
                device_remove_file(dev, &sda_in_input[i].dev_attr);
                device_remove_file(dev, &sda_in_alarm[i].dev_attr);
                device_remove_file(dev, &sda_in_min[i].dev_attr);
@@ -1192,15 +1214,22 @@ 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);
                device_remove_file(dev, &sda_target_temp[i].dev_attr);
                device_remove_file(dev, &sda_tolerance[i].dev_attr);
        }
-       for (i = 0; i < ARRAY_SIZE(sda_temp); i++)
-               device_remove_file(dev, &sda_temp[i].dev_attr);
+       for (i = 0; i < 3; i++) {
+               if ((i == 2) && data->temp3_disable)
+                       continue;
+               device_remove_file(dev, &sda_temp_input[i].dev_attr);
+               device_remove_file(dev, &sda_temp_max[i].dev_attr);
+               device_remove_file(dev, &sda_temp_max_hyst[i].dev_attr);
+               device_remove_file(dev, &sda_temp_alarm[i].dev_attr);
+               device_remove_file(dev, &sda_temp_type[i].dev_attr);
+       }
 
        device_remove_file(dev, &dev_attr_name);
        device_remove_file(dev, &dev_attr_cpu0_vid);
@@ -1222,6 +1251,8 @@ static inline void __devinit w83627ehf_init_device(struct w83627ehf_data *data)
        for (i = 0; i < 2; i++) {
                tmp = w83627ehf_read_value(data,
                                           W83627EHF_REG_TEMP_CONFIG[i]);
+               if ((i == 1) && data->temp3_disable)
+                       continue;
                if (tmp & 0x01)
                        w83627ehf_write_value(data,
                                              W83627EHF_REG_TEMP_CONFIG[i],
@@ -1272,8 +1303,17 @@ 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;
+
+       /* Check temp3 configuration bit for 667HG */
+       if (sio_data->kind == w83667hg) {
+               data->temp3_disable = w83627ehf_read_value(data,
+                                       W83627EHF_REG_TEMP_CONFIG[1]) & 0x01;
+               data->in6_skip = !data->temp3_disable;
+       }
 
        /* Initialize the chip */
        w83627ehf_init_device(data);
@@ -1281,44 +1321,64 @@ 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
@@ -1329,9 +1389,9 @@ static int __devinit w83627ehf_probe(struct platform_device *pdev)
 
        data->has_fan = 0x07; /* fan1, fan2 and fan3 */
        i = w83627ehf_read_value(data, W83627EHF_REG_FANDIV1);
-       if ((i & (1 << 2)) && (!fan4pin))
+       if ((i & (1 << 2)) && fan4pin)
                data->has_fan |= (1 << 3);
-       if (!(i & (1 << 1)) && (!fan5pin))
+       if (!(i & (1 << 1)) && fan5pin)
                data->has_fan |= (1 << 4);
 
        /* Read fan clock dividers immediately */
@@ -1344,14 +1404,16 @@ 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)))
                                goto exit_remove;
                }
 
-       for (i = 0; i < data->in_num; i++)
+       for (i = 0; i < data->in_num; i++) {
+               if ((i == 6) && data->in6_skip)
+                       continue;
                if ((err = device_create_file(dev, &sda_in_input[i].dev_attr))
                        || (err = device_create_file(dev,
                                &sda_in_alarm[i].dev_attr))
@@ -1360,6 +1422,7 @@ static int __devinit w83627ehf_probe(struct platform_device *pdev)
                        || (err = device_create_file(dev,
                                &sda_in_max[i].dev_attr)))
                        goto exit_remove;
+       }
 
        for (i = 0; i < 5; i++) {
                if (data->has_fan & (1 << i)) {
@@ -1372,7 +1435,7 @@ 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,
@@ -1387,9 +1450,21 @@ static int __devinit w83627ehf_probe(struct platform_device *pdev)
                }
        }
 
-       for (i = 0; i < ARRAY_SIZE(sda_temp); i++)
-               if ((err = device_create_file(dev, &sda_temp[i].dev_attr)))
+       for (i = 0; i < 3; i++) {
+               if ((i == 2) && data->temp3_disable)
+                       continue;
+               if ((err = device_create_file(dev,
+                               &sda_temp_input[i].dev_attr))
+                       || (err = device_create_file(dev,
+                               &sda_temp_max[i].dev_attr))
+                       || (err = device_create_file(dev,
+                               &sda_temp_max_hyst[i].dev_attr))
+                       || (err = device_create_file(dev,
+                               &sda_temp_alarm[i].dev_attr))
+                       || (err = device_create_file(dev,
+                               &sda_temp_type[i].dev_attr)))
                        goto exit_remove;
+       }
 
        err = device_create_file(dev, &dev_attr_name);
        if (err)
@@ -1442,6 +1517,7 @@ 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 +1542,10 @@ 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",