]> git.sur5r.net Git - groeck-nct6775/blobdiff - nct6775.c
Add missing NCT6793D string
[groeck-nct6775] / nct6775.c
index 0e8105087f537d9a76864cad5547125e663e9ef0..f16766cbd1a02d9775c28dd2ba21f33b38ffe30e 100644 (file)
--- a/nct6775.c
+++ b/nct6775.c
@@ -39,6 +39,7 @@
  * nct6779d    15      5       5       2+6    0xc560 0xc1    0x5ca3
  * nct6791d    15      6       6       2+6    0xc800 0xc1    0x5ca3
  * nct6792d    15      6       6       2+6    0xc911 0xc1    0x5ca3
+ * nct6793d    15      6       6       2+6    0xd120 0xc1    0x5ca3
  *
  * #temp lists the number of monitored temperature sources (first value) plus
  * the number of directly connectable temperature sensors (second value).
 #include <linux/err.h>
 #include <linux/mutex.h>
 #include <linux/acpi.h>
+#include <linux/dmi.h>
 #include <linux/io.h>
 #include "lm75.h"
 #include "compat.h"
 
 #define USE_ALTERNATE
 
-enum kinds { nct6106, nct6775, nct6776, nct6779, nct6791, nct6792 };
+enum kinds { nct6106, nct6775, nct6776, nct6779, nct6791, nct6792, nct6793 };
 
 /* used to set data->name = nct6775_device_names[data->sio_kind] */
 static const char * const nct6775_device_names[] = {
@@ -73,6 +75,7 @@ static const char * const nct6775_device_names[] = {
        "nct6779",
        "nct6791",
        "nct6792",
+       "nct6793",
 };
 
 static unsigned short force_id;
@@ -104,6 +107,7 @@ MODULE_PARM_DESC(fan_debounce, "Enable debouncing for fan RPM signal");
 #define SIO_NCT6779_ID         0xc560
 #define SIO_NCT6791_ID         0xc800
 #define SIO_NCT6792_ID         0xc910
+#define SIO_NCT6793_ID         0xd120
 #define SIO_ID_MASK            0xFFF0
 
 enum pwm_enable { off, manual, thermal_cruise, speed_cruise, sf3, sf4 };
@@ -252,6 +256,7 @@ static const u16 NCT6775_REG_TARGET[] = {
        0x101, 0x201, 0x301, 0x801, 0x901, 0xa01 };
 static const u16 NCT6775_REG_FAN_MODE[] = {
        0x102, 0x202, 0x302, 0x802, 0x902, 0xa02 };
+/* STEP_DOWN_TIME and STEP_UP_TIME regs are swapped for all chips but NCT6775 */
 static const u16 NCT6775_REG_FAN_STEP_DOWN_TIME[] = {
        0x103, 0x203, 0x303, 0x803, 0x903, 0xa03 };
 static const u16 NCT6775_REG_FAN_STEP_UP_TIME[] = {
@@ -498,16 +503,24 @@ static const char *const nct6779_temp_label[] = {
        "PCH_DIM1_TEMP",
        "PCH_DIM2_TEMP",
        "PCH_DIM3_TEMP",
-       "BYTE_TEMP"
+       "BYTE_TEMP",
+       "",
+       "",
+       "",
+       "",
+       "Virtual_TEMP"
 };
 
-static const u16 NCT6779_REG_TEMP_ALTERNATE[ARRAY_SIZE(nct6779_temp_label) - 1]
+#define NCT6779_NUM_LABELS     (ARRAY_SIZE(nct6779_temp_label) - 5)
+#define NCT6791_NUM_LABELS     ARRAY_SIZE(nct6779_temp_label)
+
+static const u16 NCT6779_REG_TEMP_ALTERNATE[NCT6791_NUM_LABELS - 1]
        = { 0x490, 0x491, 0x492, 0x493, 0x494, 0x495, 0, 0,
            0, 0, 0, 0, 0, 0, 0, 0,
            0, 0x400, 0x401, 0x402, 0x404, 0x405, 0x406, 0x407,
            0x408, 0 };
 
-static const u16 NCT6779_REG_TEMP_CRIT[ARRAY_SIZE(nct6779_temp_label) - 1]
+static const u16 NCT6779_REG_TEMP_CRIT[NCT6791_NUM_LABELS - 1]
        = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x709, 0x70a };
 
 /* NCT6791 specific data */
@@ -533,7 +546,7 @@ static const s8 NCT6791_ALARM_BITS[] = {
        4, 5, 13, -1, -1, -1,           /* temp1..temp6 */
        12, 9 };                        /* intrusion0, intrusion1 */
 
-/* NCT6792 specific data */
+/* NCT6792/NCT6793 specific data */
 
 static const u16 NCT6792_REG_TEMP_MON[] = {
        0x73, 0x75, 0x77, 0x79, 0x7b, 0x7d };
@@ -885,13 +898,12 @@ struct nct6775_data {
        u16 have_temp;
        u16 have_temp_fixed;
        u16 have_in;
-#ifdef CONFIG_PM
+
        /* Remember extra register values over suspend/resume */
        u8 vbat;
        u8 fandiv1;
        u8 fandiv2;
-       u8 sio_enable;
-#endif
+       u8 sio_reg_enable;
 };
 
 struct nct6775_sio_data {
@@ -1059,6 +1071,7 @@ static bool is_word_sized(struct nct6775_data *data, u16 reg)
        case nct6779:
        case nct6791:
        case nct6792:
+       case nct6793:
                return reg == 0x150 || reg == 0x153 || reg == 0x155 ||
                  ((reg & 0xfff0) == 0x4b0 && (reg & 0x000f) < 0x0b) ||
                  reg == 0x402 ||
@@ -1410,6 +1423,7 @@ static void nct6775_update_pwm_limits(struct device *dev)
                case nct6779:
                case nct6791:
                case nct6792:
+               case nct6793:
                        reg = nct6775_read_value(data,
                                        data->REG_CRITICAL_PWM_ENABLE[i]);
                        if (reg & data->CRITICAL_PWM_ENABLE_MASK)
@@ -2837,6 +2851,7 @@ store_auto_pwm(struct device *dev, struct device_attribute *attr,
                case nct6779:
                case nct6791:
                case nct6792:
+               case nct6793:
                        nct6775_write_value(data, data->REG_CRITICAL_PWM[nr],
                                            val);
                        reg = nct6775_read_value(data,
@@ -3198,6 +3213,10 @@ nct6775_check_fan_inputs(struct nct6775_data *data)
        int sioreg = data->sioreg;
        int regval;
 
+       /* Store SIO_REG_ENABLE for use during resume */
+       superio_select(sioreg, NCT6775_LD_HWM);
+       data->sio_reg_enable = superio_inb(sioreg, SIO_REG_ENABLE);
+
        /* fan4 and fan5 share some pins with the GPIO and serial flash */
        if (data->kind == nct6775) {
                regval = superio_inb(sioreg, 0x2c);
@@ -3215,23 +3234,38 @@ nct6775_check_fan_inputs(struct nct6775_data *data)
                pwm6pin = false;
        } else if (data->kind == nct6776) {
                bool gpok = superio_inb(sioreg, 0x27) & 0x80;
+               const char *board_vendor, *board_name;
 
-               superio_select(sioreg, NCT6775_LD_HWM);
-               regval = superio_inb(sioreg, SIO_REG_ENABLE);
+               board_vendor = dmi_get_system_info(DMI_BOARD_VENDOR);
+               board_name = dmi_get_system_info(DMI_BOARD_NAME);
 
-               data->sio_enable = regval;
+               if (board_name && board_vendor &&
+                   !strcmp(board_vendor, "ASRock")) {
+                       /*
+                        * Auxiliary fan monitoring is not enabled on ASRock
+                        * Z77 Pro4-M if booted in UEFI Ultra-FastBoot mode.
+                        * Observed with BIOS version 2.00.
+                        */
+                       if (!strcmp(board_name, "Z77 Pro4-M")) {
+                               if ((data->sio_reg_enable & 0xe0) != 0xe0) {
+                                       data->sio_reg_enable |= 0xe0;
+                                       superio_outb(sioreg, SIO_REG_ENABLE,
+                                                    data->sio_reg_enable);
+                               }
+                       }
+               }
 
-               if (regval & 0x80)
+               if (data->sio_reg_enable & 0x80)
                        fan3pin = gpok;
                else
                        fan3pin = !(superio_inb(sioreg, 0x24) & 0x40);
 
-               if (regval & 0x40)
+               if (data->sio_reg_enable & 0x40)
                        fan4pin = gpok;
                else
                        fan4pin = superio_inb(sioreg, 0x1C) & 0x01;
 
-               if (regval & 0x20)
+               if (data->sio_reg_enable & 0x20)
                        fan5pin = gpok;
                else
                        fan5pin = superio_inb(sioreg, 0x1C) & 0x02;
@@ -3254,7 +3288,7 @@ nct6775_check_fan_inputs(struct nct6775_data *data)
                pwm4pin = false;
                pwm5pin = false;
                pwm6pin = false;
-       } else {        /* NCT6779D, NCT6791D, or NCT6792D */
+       } else {        /* NCT6779D, NCT6791D, NCT6792D, or NCT6793D */
                regval = superio_inb(sioreg, 0x1c);
 
                fan3pin = !(regval & (1 << 5));
@@ -3267,7 +3301,8 @@ nct6775_check_fan_inputs(struct nct6775_data *data)
 
                fan4min = fan4pin;
 
-               if (data->kind == nct6791 || data->kind == nct6792) {
+               if (data->kind == nct6791 || data->kind == nct6792 ||
+                   data->kind == nct6793) {
                        regval = superio_inb(sioreg, 0x2d);
                        fan6pin = (regval & (1 << 1));
                        pwm6pin = (regval & (1 << 0));
@@ -3526,8 +3561,8 @@ static int nct6775_probe(struct platform_device *pdev)
                data->REG_FAN_PULSES = NCT6776_REG_FAN_PULSES;
                data->FAN_PULSE_SHIFT = NCT6775_FAN_PULSE_SHIFT;
                data->REG_FAN_TIME[0] = NCT6775_REG_FAN_STOP_TIME;
-               data->REG_FAN_TIME[1] = NCT6775_REG_FAN_STEP_UP_TIME;
-               data->REG_FAN_TIME[2] = NCT6775_REG_FAN_STEP_DOWN_TIME;
+               data->REG_FAN_TIME[1] = NCT6775_REG_FAN_STEP_DOWN_TIME;
+               data->REG_FAN_TIME[2] = NCT6775_REG_FAN_STEP_UP_TIME;
                data->REG_TOLERANCE_H = NCT6776_REG_TOLERANCE_H;
                data->REG_PWM[0] = NCT6775_REG_PWM;
                data->REG_PWM[1] = NCT6775_REG_FAN_START_OUTPUT;
@@ -3582,7 +3617,7 @@ static int nct6775_probe(struct platform_device *pdev)
                data->speed_tolerance_limit = 63;
 
                data->temp_label = nct6779_temp_label;
-               data->temp_label_num = ARRAY_SIZE(nct6779_temp_label);
+               data->temp_label_num = NCT6779_NUM_LABELS;
 
                data->REG_CONFIG = NCT6775_REG_CONFIG;
                data->REG_VBAT = NCT6775_REG_VBAT;
@@ -3598,8 +3633,8 @@ static int nct6775_probe(struct platform_device *pdev)
                data->REG_FAN_PULSES = NCT6779_REG_FAN_PULSES;
                data->FAN_PULSE_SHIFT = NCT6775_FAN_PULSE_SHIFT;
                data->REG_FAN_TIME[0] = NCT6775_REG_FAN_STOP_TIME;
-               data->REG_FAN_TIME[1] = NCT6775_REG_FAN_STEP_UP_TIME;
-               data->REG_FAN_TIME[2] = NCT6775_REG_FAN_STEP_DOWN_TIME;
+               data->REG_FAN_TIME[1] = NCT6775_REG_FAN_STEP_DOWN_TIME;
+               data->REG_FAN_TIME[2] = NCT6775_REG_FAN_STEP_UP_TIME;
                data->REG_TOLERANCE_H = NCT6776_REG_TOLERANCE_H;
                data->REG_PWM[0] = NCT6775_REG_PWM;
                data->REG_PWM[1] = NCT6775_REG_FAN_START_OUTPUT;
@@ -3641,6 +3676,7 @@ static int nct6775_probe(struct platform_device *pdev)
                break;
        case nct6791:
        case nct6792:
+       case nct6793:
                data->in_num = 15;
                data->pwm_num = 6;
                data->auto_pwm_num = 4;
@@ -3659,7 +3695,7 @@ static int nct6775_probe(struct platform_device *pdev)
                data->speed_tolerance_limit = 63;
 
                data->temp_label = nct6779_temp_label;
-               data->temp_label_num = ARRAY_SIZE(nct6779_temp_label);
+               data->temp_label_num = NCT6791_NUM_LABELS;
 
                data->REG_CONFIG = NCT6775_REG_CONFIG;
                data->REG_VBAT = NCT6775_REG_VBAT;
@@ -3675,8 +3711,8 @@ static int nct6775_probe(struct platform_device *pdev)
                data->REG_FAN_PULSES = NCT6779_REG_FAN_PULSES;
                data->FAN_PULSE_SHIFT = NCT6775_FAN_PULSE_SHIFT;
                data->REG_FAN_TIME[0] = NCT6775_REG_FAN_STOP_TIME;
-               data->REG_FAN_TIME[1] = NCT6775_REG_FAN_STEP_UP_TIME;
-               data->REG_FAN_TIME[2] = NCT6775_REG_FAN_STEP_DOWN_TIME;
+               data->REG_FAN_TIME[1] = NCT6775_REG_FAN_STEP_DOWN_TIME;
+               data->REG_FAN_TIME[2] = NCT6775_REG_FAN_STEP_UP_TIME;
                data->REG_TOLERANCE_H = NCT6776_REG_TOLERANCE_H;
                data->REG_PWM[0] = NCT6775_REG_PWM;
                data->REG_PWM[1] = NCT6775_REG_FAN_START_OUTPUT;
@@ -3916,6 +3952,7 @@ static int nct6775_probe(struct platform_device *pdev)
        case nct6779:
        case nct6791:
        case nct6792:
+       case nct6793:
                break;
        }
 
@@ -3948,6 +3985,7 @@ static int nct6775_probe(struct platform_device *pdev)
                        break;
                case nct6791:
                case nct6792:
+               case nct6793:
                        tmp |= 0x7e;
                        break;
                }
@@ -4034,8 +4072,7 @@ static void nct6791_enable_io_mapping(int sioaddr)
        }
 }
 
-#ifdef CONFIG_PM
-static int nct6775_suspend(struct device *dev)
+static int __maybe_unused nct6775_suspend(struct device *dev)
 {
        struct nct6775_data *data = nct6775_update_device(dev);
 
@@ -4050,7 +4087,7 @@ static int nct6775_suspend(struct device *dev)
        return 0;
 }
 
-static int nct6775_resume(struct device *dev)
+static int __maybe_unused nct6775_resume(struct device *dev)
 {
        struct nct6775_data *data = dev_get_drvdata(dev);
        int sioreg = data->sioreg;
@@ -4066,10 +4103,11 @@ static int nct6775_resume(struct device *dev)
 
        superio_select(sioreg, NCT6775_LD_HWM);
        reg = superio_inb(sioreg, SIO_REG_ENABLE);
-       if (reg != data->sio_enable)
-               superio_outb(sioreg, SIO_REG_ENABLE, data->sio_enable);
+       if (reg != data->sio_reg_enable)
+               superio_outb(sioreg, SIO_REG_ENABLE, data->sio_reg_enable);
 
-       if (data->kind == nct6791 || data->kind == nct6792)
+       if (data->kind == nct6791 || data->kind == nct6792 ||
+           data->kind == nct6793)
                nct6791_enable_io_mapping(sioreg);
 
        superio_exit(sioreg);
@@ -4118,23 +4156,13 @@ abort:
        return err;
 }
 
-static const struct dev_pm_ops nct6775_dev_pm_ops = {
-       .suspend = nct6775_suspend,
-       .resume = nct6775_resume,
-       .freeze = nct6775_suspend,
-       .restore = nct6775_resume,
-};
-
-#define NCT6775_DEV_PM_OPS     (&nct6775_dev_pm_ops)
-#else
-#define NCT6775_DEV_PM_OPS     NULL
-#endif /* CONFIG_PM */
+static SIMPLE_DEV_PM_OPS(nct6775_dev_pm_ops, nct6775_suspend, nct6775_resume);
 
 static struct platform_driver nct6775_driver = {
        .driver = {
                .owner  = THIS_MODULE,
                .name   = DRVNAME,
-               .pm     = NCT6775_DEV_PM_OPS,
+               .pm     = &nct6775_dev_pm_ops,
        },
        .probe          = nct6775_probe,
 #if LINUX_VERSION_CODE < KERNEL_VERSION(3, 13, 0)
@@ -4149,6 +4177,7 @@ static const char * const nct6775_sio_names[] __initconst = {
        "NCT6779D",
        "NCT6791D",
        "NCT6792D",
+       "NCT6793D",
 };
 
 /* nct6775_find() looks for a '627 in the Super-I/O config space */
@@ -4186,6 +4215,9 @@ static int __init nct6775_find(int sioaddr, struct nct6775_sio_data *sio_data)
        case SIO_NCT6792_ID:
                sio_data->kind = nct6792;
                break;
+       case SIO_NCT6793_ID:
+               sio_data->kind = nct6793;
+               break;
        default:
                if (val != 0xffff)
                        pr_debug("unsupported chip ID: 0x%04x\n", val);
@@ -4211,7 +4243,8 @@ static int __init nct6775_find(int sioaddr, struct nct6775_sio_data *sio_data)
                superio_outb(sioaddr, SIO_REG_ENABLE, val | 0x01);
        }
 
-       if (sio_data->kind == nct6791 || sio_data->kind == nct6792)
+       if (sio_data->kind == nct6791 || sio_data->kind == nct6792 ||
+           sio_data->kind == nct6793)
                nct6791_enable_io_mapping(sioaddr);
 
        superio_exit(sioaddr);
@@ -4321,7 +4354,7 @@ static void __exit sensors_nct6775_exit(void)
 }
 
 MODULE_AUTHOR("Guenter Roeck <linux@roeck-us.net>");
-MODULE_DESCRIPTION("NCT6106D/NCT6775F/NCT6776F/NCT6779D/NCT6791D/NCT6792D driver");
+MODULE_DESCRIPTION("Driver for NCT6775F and compatible chips");
 MODULE_LICENSE("GPL");
 
 module_init(sensors_nct6775_init);