hw/isa/vt82c686: Instantiate PM function in host device

The PM controller has activity bits which monitor activity of other built-in devices in the host device. Signed-off-by: Bernhard Beschow <shentey@gmail.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Acked-by: Daniel Henrique Barboza <danielhb413@gmail.com> Message-Id: <20220901114127.53914-10-shentey@gmail.com> Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
qemu · Oct 31, 2022 · d105377 · d105377
1 parent 1a99ddb
commit d105377
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Showing 4 changed files with 15 additions and 5 deletions.
diff --git a/hw/isa/vt82c686.c b/hw/isa/vt82c686.c
@@ -250,6 +250,8 @@ static const ViaPMInitInfo vt82c686b_pm_init_info = {
     .device_id = PCI_DEVICE_ID_VIA_82C686B_PM,
 };
 
+#define TYPE_VT82C686B_PM "vt82c686b-pm"
+
 static const TypeInfo vt82c686b_pm_info = {
     .name          = TYPE_VT82C686B_PM,
     .parent        = TYPE_VIA_PM,
@@ -261,6 +263,8 @@ static const ViaPMInitInfo vt8231_pm_init_info = {
     .device_id = PCI_DEVICE_ID_VIA_8231_PM,
 };
 
+#define TYPE_VT8231_PM "vt8231-pm"
+
 static const TypeInfo vt8231_pm_info = {
     .name          = TYPE_VT8231_PM,
     .parent        = TYPE_VIA_PM,
@@ -548,6 +552,7 @@ struct ViaISAState {
     ViaSuperIOState via_sio;
     PCIIDEState ide;
     UHCIState uhci[2];
+    ViaPMState pm;
 };
 
 static const VMStateDescription vmstate_via = {
@@ -641,6 +646,12 @@ static void via_isa_realize(PCIDevice *d, Error **errp)
             return;
         }
     }
+
+    /* Function 4: Power Management */
+    qdev_prop_set_int32(DEVICE(&s->pm), "addr", d->devfn + 4);
+    if (!qdev_realize(DEVICE(&s->pm), BUS(pci_bus), errp)) {
+        return;
+    }
 }
 
 /* TYPE_VT82C686B_ISA */
@@ -683,6 +694,7 @@ static void vt82c686b_init(Object *obj)
     ViaISAState *s = VIA_ISA(obj);
 
     object_initialize_child(obj, "sio", &s->via_sio, TYPE_VT82C686B_SUPERIO);
+    object_initialize_child(obj, "pm", &s->pm, TYPE_VT82C686B_PM);
 }
 
 static void vt82c686b_class_init(ObjectClass *klass, void *data)
@@ -746,6 +758,7 @@ static void vt8231_init(Object *obj)
     ViaISAState *s = VIA_ISA(obj);
 
     object_initialize_child(obj, "sio", &s->via_sio, TYPE_VT8231_SUPERIO);
+    object_initialize_child(obj, "pm", &s->pm, TYPE_VT8231_PM);
 }
 
 static void vt8231_class_init(ObjectClass *klass, void *data)

diff --git a/hw/mips/fuloong2e.c b/hw/mips/fuloong2e.c
@@ -208,7 +208,7 @@ static void vt82c686b_southbridge_init(PCIBus *pci_bus, int slot, qemu_irq intc,
     dev = PCI_DEVICE(object_resolve_path_component(OBJECT(via), "ide"));
     pci_ide_create_devs(dev);
 
-    dev = pci_create_simple(pci_bus, PCI_DEVFN(slot, 4), TYPE_VT82C686B_PM);
+    dev = PCI_DEVICE(object_resolve_path_component(OBJECT(via), "pm"));
     *i2c_bus = I2C_BUS(qdev_get_child_bus(DEVICE(dev), "i2c"));
 
     /* Audio support */

diff --git a/hw/ppc/pegasos2.c b/hw/ppc/pegasos2.c
@@ -168,8 +168,7 @@ static void pegasos2_init(MachineState *machine)
     dev = PCI_DEVICE(object_resolve_path_component(OBJECT(via), "ide"));
     pci_ide_create_devs(dev);
 
-    /* VT8231 function 4: Power Management Controller */
-    dev = pci_create_simple(pci_bus, PCI_DEVFN(12, 4), TYPE_VT8231_PM);
+    dev = PCI_DEVICE(object_resolve_path_component(OBJECT(via), "pm"));
     i2c_bus = I2C_BUS(qdev_get_child_bus(DEVICE(dev), "i2c"));
     spd_data = spd_data_generate(DDR, machine->ram_size);
     smbus_eeprom_init_one(i2c_bus, 0x57, spd_data);

diff --git a/include/hw/isa/vt82c686.h b/include/hw/isa/vt82c686.h
@@ -4,10 +4,8 @@
 #include "hw/pci/pci.h"
 
 #define TYPE_VT82C686B_ISA "vt82c686b-isa"
-#define TYPE_VT82C686B_PM "vt82c686b-pm"
 #define TYPE_VT82C686B_USB_UHCI "vt82c686b-usb-uhci"
 #define TYPE_VT8231_ISA "vt8231-isa"
-#define TYPE_VT8231_PM "vt8231-pm"
 #define TYPE_VIA_AC97 "via-ac97"
 #define TYPE_VIA_IDE "via-ide"
 #define TYPE_VIA_MC97 "via-mc97"