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-rw-r--r--hw/i2c/pmbus_device.c176
-rw-r--r--include/hw/i2c/pmbus_device.h1
2 files changed, 177 insertions, 0 deletions
diff --git a/hw/i2c/pmbus_device.c b/hw/i2c/pmbus_device.c
index ea15490720..c1d8c93056 100644
--- a/hw/i2c/pmbus_device.c
+++ b/hw/i2c/pmbus_device.c
@@ -500,6 +500,54 @@ static uint8_t pmbus_receive_byte(SMBusDevice *smd)
         }
         break;
 
+    case PMBUS_FAN_CONFIG_1_2:            /* R/W byte */
+        if (pmdev->pages[index].page_flags & PB_HAS_FAN) {
+            pmbus_send8(pmdev, pmdev->pages[index].fan_config_1_2);
+        } else {
+            goto passthough;
+        }
+        break;
+
+    case PMBUS_FAN_COMMAND_1:             /* R/W word */
+        if (pmdev->pages[index].page_flags & PB_HAS_FAN) {
+            pmbus_send16(pmdev, pmdev->pages[index].fan_command_1);
+        } else {
+            goto passthough;
+        }
+        break;
+
+    case PMBUS_FAN_COMMAND_2:             /* R/W word */
+        if (pmdev->pages[index].page_flags & PB_HAS_FAN) {
+            pmbus_send16(pmdev, pmdev->pages[index].fan_command_2);
+        } else {
+            goto passthough;
+        }
+        break;
+
+    case PMBUS_FAN_CONFIG_3_4:            /* R/W byte */
+        if (pmdev->pages[index].page_flags & PB_HAS_FAN) {
+            pmbus_send8(pmdev, pmdev->pages[index].fan_config_3_4);
+        } else {
+            goto passthough;
+        }
+        break;
+
+    case PMBUS_FAN_COMMAND_3:             /* R/W word */
+        if (pmdev->pages[index].page_flags & PB_HAS_FAN) {
+            pmbus_send16(pmdev, pmdev->pages[index].fan_command_3);
+        } else {
+            goto passthough;
+        }
+        break;
+
+    case PMBUS_FAN_COMMAND_4:             /* R/W word */
+        if (pmdev->pages[index].page_flags & PB_HAS_FAN) {
+            pmbus_send16(pmdev, pmdev->pages[index].fan_command_4);
+        } else {
+            goto passthough;
+        }
+        break;
+
     case PMBUS_VOUT_OV_FAULT_LIMIT:       /* R/W word */
         if (pmdev->pages[index].page_flags & PB_HAS_VOUT) {
             pmbus_send16(pmdev, pmdev->pages[index].vout_ov_fault_limit);
@@ -810,6 +858,22 @@ static uint8_t pmbus_receive_byte(SMBusDevice *smd)
         pmbus_send8(pmdev, pmdev->pages[index].status_mfr_specific);
         break;
 
+    case PMBUS_STATUS_FANS_1_2:           /* R/W byte */
+        if (pmdev->pages[index].page_flags & PB_HAS_FAN) {
+            pmbus_send8(pmdev, pmdev->pages[index].status_fans_1_2);
+        } else {
+            goto passthough;
+        }
+        break;
+
+    case PMBUS_STATUS_FANS_3_4:           /* R/W byte */
+        if (pmdev->pages[index].page_flags & PB_HAS_FAN) {
+            pmbus_send8(pmdev, pmdev->pages[index].status_fans_3_4);
+        } else {
+            goto passthough;
+        }
+        break;
+
     case PMBUS_READ_EIN:                  /* Read-Only block 5 bytes */
         if (pmdev->pages[index].page_flags & PB_HAS_EIN) {
             pmbus_send(pmdev, pmdev->pages[index].read_ein, 5);
@@ -882,6 +946,54 @@ static uint8_t pmbus_receive_byte(SMBusDevice *smd)
         }
         break;
 
+    case PMBUS_READ_FAN_SPEED_1:          /* Read-Only word */
+        if (pmdev->pages[index].page_flags & PB_HAS_FAN) {
+            pmbus_send16(pmdev, pmdev->pages[index].read_fan_speed_1);
+        } else {
+            goto passthough;
+        }
+        break;
+
+    case PMBUS_READ_FAN_SPEED_2:          /* Read-Only word */
+        if (pmdev->pages[index].page_flags & PB_HAS_FAN) {
+            pmbus_send16(pmdev, pmdev->pages[index].read_fan_speed_2);
+        } else {
+            goto passthough;
+        }
+        break;
+
+    case PMBUS_READ_FAN_SPEED_3:          /* Read-Only word */
+        if (pmdev->pages[index].page_flags & PB_HAS_FAN) {
+            pmbus_send16(pmdev, pmdev->pages[index].read_fan_speed_3);
+        } else {
+            goto passthough;
+        }
+        break;
+
+    case PMBUS_READ_FAN_SPEED_4:          /* Read-Only word */
+        if (pmdev->pages[index].page_flags & PB_HAS_FAN) {
+            pmbus_send16(pmdev, pmdev->pages[index].read_fan_speed_4);
+        } else {
+            goto passthough;
+        }
+        break;
+
+    case PMBUS_READ_DUTY_CYCLE:           /* Read-Only word */
+        if (pmdev->pages[index].page_flags & PB_HAS_FAN) {
+            pmbus_send16(pmdev, pmdev->pages[index].read_duty_cycle);
+        } else {
+            goto passthough;
+        }
+        break;
+
+    case PMBUS_READ_FREQUENCY:            /* Read-Only word */
+        if (pmdev->pages[index].page_flags & PB_HAS_FAN) {
+            pmbus_send16(pmdev, pmdev->pages[index].read_frequency);
+        } else {
+            goto passthough;
+        }
+        break;
+
     case PMBUS_READ_POUT:                 /* Read-Only word */
         if (pmdev->pages[index].page_flags & PB_HAS_POUT) {
             pmbus_send16(pmdev, pmdev->pages[index].read_pout);
@@ -1305,6 +1417,54 @@ static int pmbus_write_data(SMBusDevice *smd, uint8_t *buf, uint8_t len)
         }
         break;
 
+    case PMBUS_FAN_CONFIG_1_2:            /* R/W byte */
+        if (pmdev->pages[index].page_flags & PB_HAS_FAN) {
+            pmdev->pages[index].fan_config_1_2 = pmbus_receive8(pmdev);
+        } else {
+            goto passthrough;
+        }
+        break;
+
+    case PMBUS_FAN_COMMAND_1:             /* R/W word */
+        if (pmdev->pages[index].page_flags & PB_HAS_FAN) {
+            pmdev->pages[index].fan_command_1 = pmbus_receive16(pmdev);
+        } else {
+            goto passthrough;
+        }
+        break;
+
+    case PMBUS_FAN_COMMAND_2:             /* R/W word */
+        if (pmdev->pages[index].page_flags & PB_HAS_FAN) {
+            pmdev->pages[index].fan_command_2 = pmbus_receive16(pmdev);
+        } else {
+            goto passthrough;
+        }
+        break;
+
+    case PMBUS_FAN_CONFIG_3_4:            /* R/W byte */
+        if (pmdev->pages[index].page_flags & PB_HAS_FAN) {
+            pmdev->pages[index].fan_config_3_4 = pmbus_receive8(pmdev);
+        } else {
+            goto passthrough;
+        }
+        break;
+
+    case PMBUS_FAN_COMMAND_3:             /* R/W word */
+        if (pmdev->pages[index].page_flags & PB_HAS_FAN) {
+            pmdev->pages[index].fan_command_3 = pmbus_receive16(pmdev);
+        } else {
+            goto passthrough;
+        }
+        break;
+
+    case PMBUS_FAN_COMMAND_4:             /* R/W word */
+        if (pmdev->pages[index].page_flags & PB_HAS_FAN) {
+            pmdev->pages[index].fan_command_4 = pmbus_receive16(pmdev);
+        } else {
+            goto passthrough;
+        }
+        break;
+
     case PMBUS_VOUT_OV_FAULT_LIMIT:       /* R/W word */
         if (pmdev->pages[index].page_flags & PB_HAS_VOUT) {
             pmdev->pages[index].vout_ov_fault_limit = pmbus_receive16(pmdev);
@@ -1610,6 +1770,22 @@ static int pmbus_write_data(SMBusDevice *smd, uint8_t *buf, uint8_t len)
         pmdev->pages[index].status_mfr_specific = pmbus_receive8(pmdev);
         break;
 
+    case PMBUS_STATUS_FANS_1_2:           /* R/W byte */
+        if (pmdev->pages[index].page_flags & PB_HAS_FAN) {
+            pmbus_send8(pmdev, pmdev->pages[index].status_fans_1_2);
+        } else {
+            goto passthrough;
+        }
+        break;
+
+    case PMBUS_STATUS_FANS_3_4:           /* R/W byte */
+        if (pmdev->pages[index].page_flags & PB_HAS_FAN) {
+            pmbus_send8(pmdev, pmdev->pages[index].status_fans_3_4);
+        } else {
+            goto passthrough;
+        }
+        break;
+
     case PMBUS_PAGE_PLUS_READ:            /* Block Read-only */
     case PMBUS_CAPABILITY:                /* Read-Only byte */
     case PMBUS_COEFFICIENTS:              /* Read-only block 5 bytes */
diff --git a/include/hw/i2c/pmbus_device.h b/include/hw/i2c/pmbus_device.h
index 2e95164aa1..ad431bdc7c 100644
--- a/include/hw/i2c/pmbus_device.h
+++ b/include/hw/i2c/pmbus_device.h
@@ -258,6 +258,7 @@ OBJECT_DECLARE_TYPE(PMBusDevice, PMBusDeviceClass,
 #define PB_HAS_TEMP2               BIT_ULL(41)
 #define PB_HAS_TEMP3               BIT_ULL(42)
 #define PB_HAS_TEMP_RATING         BIT_ULL(43)
+#define PB_HAS_FAN                 BIT_ULL(44)
 #define PB_HAS_MFR_INFO            BIT_ULL(50)
 #define PB_HAS_STATUS_MFR_SPECIFIC BIT_ULL(51)