[PULL 08/13] hw/usb: Extract VT82C686 UHCI PCI function into a new unit

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From: Philippe Mathieu-Daudé <f4bug@xxxxxxxxx>

Extract the VT82C686 PCI UHCI function into a new unit so
it is only build when the VT82C686 south bridge is selected.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@xxxxxxxxx>
Message-Id: <20210309190802.830969-4-f4bug@xxxxxxxxx>
Signed-off-by: Gerd Hoffmann <kraxel@xxxxxxxxxx>
---
 hw/usb/hcd-uhci.c          | 23 --------------------
 hw/usb/vt82c686-uhci-pci.c | 43 ++++++++++++++++++++++++++++++++++++++
 MAINTAINERS                |  1 +
 hw/usb/meson.build         |  1 +
 4 files changed, 45 insertions(+), 23 deletions(-)
 create mode 100644 hw/usb/vt82c686-uhci-pci.c

diff --git a/hw/usb/hcd-uhci.c b/hw/usb/hcd-uhci.c
index d6338c33d863..0cb02a643214 100644
--- a/hw/usb/hcd-uhci.c
+++ b/hw/usb/hcd-uhci.c
@@ -1207,21 +1207,6 @@ void usb_uhci_common_realize(PCIDevice *dev, Error **errp)
     pci_register_bar(&s->dev, 4, PCI_BASE_ADDRESS_SPACE_IO, &s->io_bar);
 }
 
-static void usb_uhci_vt82c686b_realize(PCIDevice *dev, Error **errp)
-{
-    UHCIState *s = UHCI(dev);
-    uint8_t *pci_conf = s->dev.config;
-
-    /* USB misc control 1/2 */
-    pci_set_long(pci_conf + 0x40,0x00001000);
-    /* PM capability */
-    pci_set_long(pci_conf + 0x80,0x00020001);
-    /* USB legacy support  */
-    pci_set_long(pci_conf + 0xc0,0x00002000);
-
-    usb_uhci_common_realize(dev, errp);
-}
-
 static void usb_uhci_exit(PCIDevice *dev)
 {
     UHCIState *s = UHCI(dev);
@@ -1318,14 +1303,6 @@ static UHCIInfo uhci_info[] = {
         .revision  = 0x01,
         .irq_pin   = 3,
         .unplug    = true,
-    },{
-        .name      = "vt82c686b-usb-uhci",
-        .vendor_id = PCI_VENDOR_ID_VIA,
-        .device_id = PCI_DEVICE_ID_VIA_UHCI,
-        .revision  = 0x01,
-        .irq_pin   = 3,
-        .realize   = usb_uhci_vt82c686b_realize,
-        .unplug    = true,
     },{
         .name      = "ich9-usb-uhci1", /* 00:1d.0 */
         .vendor_id = PCI_VENDOR_ID_INTEL,
diff --git a/hw/usb/vt82c686-uhci-pci.c b/hw/usb/vt82c686-uhci-pci.c
new file mode 100644
index 000000000000..b109c2160335
--- /dev/null
+++ b/hw/usb/vt82c686-uhci-pci.c
@@ -0,0 +1,43 @@
+#include "qemu/osdep.h"
+#include "hcd-uhci.h"
+
+static void usb_uhci_vt82c686b_realize(PCIDevice *dev, Error **errp)
+{
+    UHCIState *s = UHCI(dev);
+    uint8_t *pci_conf = s->dev.config;
+
+    /* USB misc control 1/2 */
+    pci_set_long(pci_conf + 0x40, 0x00001000);
+    /* PM capability */
+    pci_set_long(pci_conf + 0x80, 0x00020001);
+    /* USB legacy support  */
+    pci_set_long(pci_conf + 0xc0, 0x00002000);
+
+    usb_uhci_common_realize(dev, errp);
+}
+
+static UHCIInfo uhci_info[] = {
+    {
+        .name      = "vt82c686b-usb-uhci",
+        .vendor_id = PCI_VENDOR_ID_VIA,
+        .device_id = PCI_DEVICE_ID_VIA_UHCI,
+        .revision  = 0x01,
+        .irq_pin   = 3,
+        .realize   = usb_uhci_vt82c686b_realize,
+        .unplug    = true,
+    }
+};
+
+static const TypeInfo vt82c686b_usb_uhci_type_info = {
+    .parent         = TYPE_UHCI,
+    .name           = "vt82c686b-usb-uhci",
+    .class_init     = uhci_data_class_init,
+    .class_data     = uhci_info,
+};
+
+static void vt82c686b_usb_uhci_register_types(void)
+{
+    type_register_static(&vt82c686b_usb_uhci_type_info);
+}
+
+type_init(vt82c686b_usb_uhci_register_types)
diff --git a/MAINTAINERS b/MAINTAINERS
index 5ca3c9f851f9..b6ab3d25a751 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1180,6 +1180,7 @@ S: Odd Fixes
 F: hw/mips/fuloong2e.c
 F: hw/isa/vt82c686.c
 F: hw/pci-host/bonito.c
+F: hw/usb/vt82c686-uhci-pci.c
 F: include/hw/isa/vt82c686.h
 
 Loongson-3 virtual platforms
diff --git a/hw/usb/meson.build b/hw/usb/meson.build
index 653192cff6fa..6e3159798e93 100644
--- a/hw/usb/meson.build
+++ b/hw/usb/meson.build
@@ -32,6 +32,7 @@ softmmu_ss.add(when: 'CONFIG_USB_DWC3', if_true: files('hcd-dwc3.c'))
 softmmu_ss.add(when: 'CONFIG_TUSB6010', if_true: files('tusb6010.c'))
 softmmu_ss.add(when: 'CONFIG_IMX', if_true: files('chipidea.c'))
 softmmu_ss.add(when: 'CONFIG_IMX_USBPHY', if_true: files('imx-usb-phy.c'))
+softmmu_ss.add(when: 'CONFIG_VT82C686', if_true: files('vt82c686-uhci-pci.c'))
 specific_ss.add(when: 'CONFIG_XLNX_VERSAL', if_true: files('xlnx-versal-usb2-ctrl-regs.c'))
 specific_ss.add(when: 'CONFIG_XLNX_USB_SUBSYS', if_true: files('xlnx-usb-subsystem.c'))
 
-- 
2.29.2




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