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uhci: stick irq routing info into UHCIInfo too.

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Kills the ugly "switch (device_id) { ... }" struct and makes it easier
to figure what the differences between the uhci variants are.

Need our own DeviceClass struct for that so we can allocate some space
to store UHCIInfo.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Gerd Hoffmann 2012-10-26 14:56:19 +02:00
parent 2c2e852509
commit 8f3f90b0c7
1 changed files with 18 additions and 14 deletions
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32
hw/usb/hcd-uhci.c
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@ -89,16 +89,23 @@ typedef struct UHCIState UHCIState;
typedef struct UHCIAsync UHCIAsync;
typedef struct UHCIQueue UHCIQueue;
typedef struct UHCIInfo UHCIInfo;
typedef struct UHCIPCIDeviceClass UHCIPCIDeviceClass;
struct UHCIInfo {
const char *name;
uint16_t vendor_id;
uint16_t device_id;
uint8_t revision;
uint8_t irq_pin;
int (*initfn)(PCIDevice *dev);
bool unplug;
};
struct UHCIPCIDeviceClass {
PCIDeviceClass parent_class;
UHCIInfo info;
};
/*
* Pending async transaction.
* 'packet' must be the first field because completion
@ -1218,6 +1225,7 @@ static USBBusOps uhci_bus_ops = {
static int usb_uhci_common_initfn(PCIDevice *dev)
{
PCIDeviceClass *pc = PCI_DEVICE_GET_CLASS(dev);
UHCIPCIDeviceClass *u = container_of(pc, UHCIPCIDeviceClass, parent_class);
UHCIState *s = DO_UPCAST(UHCIState, dev, dev);
uint8_t *pci_conf = s->dev.config;
int i;
@ -1226,20 +1234,7 @@ static int usb_uhci_common_initfn(PCIDevice *dev)
/* TODO: reset value should be 0. */
pci_conf[USB_SBRN] = USB_RELEASE_1; // release number
switch (pc->device_id) {
case PCI_DEVICE_ID_INTEL_82801I_UHCI1:
s->irq_pin = 0; /* A */
break;
case PCI_DEVICE_ID_INTEL_82801I_UHCI2:
s->irq_pin = 1; /* B */
break;
case PCI_DEVICE_ID_INTEL_82801I_UHCI3:
s->irq_pin = 2; /* C */
break;
default:
s->irq_pin = 3; /* D */
break;
}
s->irq_pin = u->info.irq_pin;
pci_config_set_interrupt_pin(pci_conf, s->irq_pin + 1);
if (s->masterbus) {
@ -1307,6 +1302,7 @@ static void uhci_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
UHCIPCIDeviceClass *u = container_of(k, UHCIPCIDeviceClass, parent_class);
UHCIInfo *info = data;
k->init = info->initfn ? info->initfn : usb_uhci_common_initfn;
@ -1317,6 +1313,7 @@ static void uhci_class_init(ObjectClass *klass, void *data)
k->class_id = PCI_CLASS_SERIAL_USB;
dc->vmsd = &vmstate_uhci;
dc->props = uhci_properties;
u->info = *info;
}
static UHCIInfo uhci_info[] = {
@ -1325,18 +1322,21 @@ static UHCIInfo uhci_info[] = {
.vendor_id = PCI_VENDOR_ID_INTEL,
.device_id = PCI_DEVICE_ID_INTEL_82371SB_2,
.revision = 0x01,
.irq_pin = 3,
.unplug = true,
},{
.name = "piix4-usb-uhci",
.vendor_id = PCI_VENDOR_ID_INTEL,
.device_id = PCI_DEVICE_ID_INTEL_82371AB_2,
.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,
.initfn = usb_uhci_vt82c686b_initfn,
.unplug = true,
},{
@ -1344,18 +1344,21 @@ static UHCIInfo uhci_info[] = {
.vendor_id = PCI_VENDOR_ID_INTEL,
.device_id = PCI_DEVICE_ID_INTEL_82801I_UHCI1,
.revision = 0x03,
.irq_pin = 0,
.unplug = false,
},{
.name = "ich9-usb-uhci2",
.vendor_id = PCI_VENDOR_ID_INTEL,
.device_id = PCI_DEVICE_ID_INTEL_82801I_UHCI2,
.revision = 0x03,
.irq_pin = 1,
.unplug = false,
},{
.name = "ich9-usb-uhci3",
.vendor_id = PCI_VENDOR_ID_INTEL,
.device_id = PCI_DEVICE_ID_INTEL_82801I_UHCI3,
.revision = 0x03,
.irq_pin = 2,
.unplug = false,
}
};
@ -1365,6 +1368,7 @@ static void uhci_register_types(void)
TypeInfo uhci_type_info = {
.parent = TYPE_PCI_DEVICE,
.instance_size = sizeof(UHCIState),
.class_size = sizeof(UHCIPCIDeviceClass),
.class_init = uhci_class_init,
};
int i;