Add preliminary support for IT8736F and IT8738E

Signed-off-by: Guenter Roeck <linux@roeck-us.net>

diff --git a/it87.c b/it87.c
index 410321b0372b875ce1c6345d4da189f7b52165d8..f278d6e520c50f96e3bc03005ea3ead8bd1272ee 100644 (file)
--- a/it87.c
+++ b/it87.c
@@ -31,6 +31,8 @@
  *            IT8726F  Super I/O chip w/LPC interface
  *            IT8728F  Super I/O chip w/LPC interface
  *            IT8732F  Super I/O chip w/LPC interface
+ *            IT8736F  Super I/O chip w/LPC interface
+ *            IT8738E  Super I/O chip w/LPC interface
  *            IT8758E  Super I/O chip w/LPC interface
  *            IT8771E  Super I/O chip w/LPC interface
  *            IT8772E  Super I/O chip w/LPC interface
@@ -83,6 +85,7 @@
 #define DRVNAME "it87"
 
 enum chips { it87, it8712, it8716, it8718, it8720, it8721, it8728, it8732,
+            it8736, it8738,
             it8771, it8772, it8781, it8782, it8783, it8786, it8790,
             it8792, it8603, it8606, it8607, it8613, it8620, it8622, it8625,
             it8628, it8655, it8665, it8686 };
@@ -179,6 +182,8 @@ static inline void superio_exit(int ioreg, bool doexit)
 #define IT8726F_DEVID 0x8726
 #define IT8728F_DEVID 0x8728
 #define IT8732F_DEVID 0x8732
+#define IT8736F_DEVID 0x8736
+#define IT8738E_DEVID 0x8738
 #define IT8792E_DEVID 0x8733
 #define IT8771E_DEVID 0x8771
 #define IT8772E_DEVID 0x8772
@@ -473,6 +478,33 @@ static const struct it87_devices it87_devices[] = {
                .peci_mask = 0x07,
                .old_peci_mask = 0x02,  /* Actually reports PCH */
        },
+       [it8736] = {
+               .name = "it8736",
+               .model = "IT8736F",
+               .features = FEAT_NEWER_AUTOPWM | FEAT_16BIT_FANS
+                 | FEAT_TEMP_OLD_PECI | FEAT_TEMP_PECI
+                 | FEAT_10_9MV_ADC | FEAT_IN7_INTERNAL | FEAT_FOUR_FANS
+                 | FEAT_FOUR_PWM | FEAT_FANCTL_ONOFF | FEAT_SCALING,
+               .num_temp_limit = 3,
+               .num_temp_offset = 3,
+               .num_temp_map = 3,
+               .peci_mask = 0x07,
+               .old_peci_mask = 0x02,  /* Actually reports PCH */
+       },
+       [it8738] = {
+               .name = "it8738",
+               .model = "IT8738E",
+               .features = FEAT_NEWER_AUTOPWM | FEAT_16BIT_FANS
+                 | FEAT_TEMP_OLD_PECI | FEAT_TEMP_PECI
+                 | FEAT_10_9MV_ADC | FEAT_IN7_INTERNAL
+                 | FEAT_FANCTL_ONOFF | FEAT_SCALING
+                 | FEAT_AVCC3,
+               .num_temp_limit = 3,
+               .num_temp_offset = 3,
+               .num_temp_map = 3,
+               .peci_mask = 0x07,
+               .old_peci_mask = 0x02,
+       },
        [it8771] = {
                .name = "it8771",
                .model = "IT8771E",
@@ -3012,6 +3044,12 @@ static int __init it87_find(int sioaddr, unsigned short *address,
        case IT8732F_DEVID:
                sio_data->type = it8732;
                break;
+       case IT8736F_DEVID:
+               sio_data->type = it8736;
+               break;
+       case IT8738E_DEVID:
+               sio_data->type = it8738;
+               break;
        case IT8792E_DEVID:
                sio_data->type = it8792;
                /*
@@ -3383,7 +3421,8 @@ static int __init it87_find(int sioaddr, unsigned short *address,
 
                sio_data->beep_pin = superio_inb(sioaddr,
                                                 IT87_SIO_BEEP_PIN_REG) & 0x3f;
-       } else if (sio_data->type == it8732) {
+       } else if (sio_data->type == it8732 || sio_data->type == it8736 ||
+                  sio_data->type == it8738) {
                int reg;
 
                superio_select(sioaddr, GPIO);
@@ -3405,9 +3444,11 @@ static int __init it87_find(int sioaddr, unsigned short *address,
                        sio_data->skip_fan |= BIT(3);
 
                /* Check if AVCC is on VIN3 */
-               reg = superio_inb(sioaddr, IT87_SIO_PINX2_REG);
-               if (reg & BIT(0))
-                       sio_data->internal |= BIT(0);
+               if (sio_data->type != it8738) {
+                       reg = superio_inb(sioaddr, IT87_SIO_PINX2_REG);
+                       if (reg & BIT(0))
+                               sio_data->internal |= BIT(0);
+               }
 
                sio_data->beep_pin = superio_inb(sioaddr,
                                                 IT87_SIO_BEEP_PIN_REG) & 0x3f;