typedef struct {
USBBus bus;
qemu_irq irq;
- int mem;
+ MemoryRegion mem;
int num_ports;
const char *name;
};
static void ohci_bus_stop(OHCIState *ohci);
+static void ohci_async_cancel_device(OHCIState *ohci, USBDevice *dev);
/* Bitfields for the first word of an Endpoint Desciptor. */
#define OHCI_ED_FA_SHIFT 0
#define OHCI_TD_DI_SHIFT 21
#define OHCI_TD_DI_MASK (7<<OHCI_TD_DI_SHIFT)
#define OHCI_TD_T0 (1<<24)
-#define OHCI_TD_T1 (1<<24)
+#define OHCI_TD_T1 (1<<25)
#define OHCI_TD_EC_SHIFT 26
#define OHCI_TD_EC_MASK (3<<OHCI_TD_EC_SHIFT)
#define OHCI_TD_CC_SHIFT 28
{
OHCIState *s = port1->opaque;
OHCIPort *port = &s->rhport[port1->index];
+ uint32_t old_state = port->ctrl;
/* set connect status */
port->ctrl |= OHCI_PORT_CCS | OHCI_PORT_CSC;
}
DPRINTF("usb-ohci: Attached port %d\n", port1->index);
+
+ if (old_state != port->ctrl) {
+ ohci_set_interrupt(s, OHCI_INTR_RHSC);
+ }
}
static void ohci_detach(USBPort *port1)
OHCIPort *port = &s->rhport[port1->index];
uint32_t old_state = port->ctrl;
+ ohci_async_cancel_device(s, port1->dev);
+
/* set connect status */
if (port->ctrl & OHCI_PORT_CCS) {
port->ctrl &= ~OHCI_PORT_CCS;
}
DPRINTF("usb-ohci: Detached port %d\n", port1->index);
- if (old_state != port->ctrl)
+ if (old_state != port->ctrl) {
ohci_set_interrupt(s, OHCI_INTR_RHSC);
+ }
+}
+
+static void ohci_wakeup(USBPort *port1)
+{
+ OHCIState *s = port1->opaque;
+ OHCIPort *port = &s->rhport[port1->index];
+ uint32_t intr = 0;
+ if (port->ctrl & OHCI_PORT_PSS) {
+ DPRINTF("usb-ohci: port %d: wakeup\n", port1->index);
+ port->ctrl |= OHCI_PORT_PSSC;
+ port->ctrl &= ~OHCI_PORT_PSS;
+ intr = OHCI_INTR_RHSC;
+ }
+ /* Note that the controller can be suspended even if this port is not */
+ if ((s->ctl & OHCI_CTL_HCFS) == OHCI_USB_SUSPEND) {
+ DPRINTF("usb-ohci: remote-wakeup: SUSPEND->RESUME\n");
+ /* This is the one state transition the controller can do by itself */
+ s->ctl &= ~OHCI_CTL_HCFS;
+ s->ctl |= OHCI_USB_RESUME;
+ /* In suspend mode only ResumeDetected is possible, not RHSC:
+ * see the OHCI spec 5.1.2.3.
+ */
+ intr = OHCI_INTR_RD;
+ }
+ ohci_set_interrupt(s, intr);
+}
+
+static void ohci_child_detach(USBPort *port1, USBDevice *child)
+{
+ OHCIState *s = port1->opaque;
+
+ ohci_async_cancel_device(s, child);
}
/* Reset the controller */
{
port = &ohci->rhport[i];
port->ctrl = 0;
- if (port->port.dev) {
- usb_attach(&port->port, port->port.dev);
+ if (port->port.dev && port->port.dev->attached) {
+ usb_reset(&port->port);
}
}
if (ohci->async_td) {
static void ohci_process_lists(OHCIState *ohci, int completion);
-static void ohci_async_complete_packet(USBDevice *dev, USBPacket *packet)
+static void ohci_async_complete_packet(USBPort *port, USBPacket *packet)
{
OHCIState *ohci = container_of(packet, OHCIState, usb_packet);
#ifdef DEBUG_PACKET
}
if (completion) {
- ret = ohci->usb_packet.len;
+ ret = ohci->usb_packet.result;
} else {
ret = USB_RET_NODEV;
for (i = 0; i < ohci->num_ports; i++) {
dev = ohci->rhport[i].port.dev;
if ((ohci->rhport[i].ctrl & OHCI_PORT_PES) == 0)
continue;
- ohci->usb_packet.pid = pid;
- ohci->usb_packet.devaddr = OHCI_BM(ed->flags, ED_FA);
- ohci->usb_packet.devep = OHCI_BM(ed->flags, ED_EN);
- ohci->usb_packet.data = ohci->usb_buf;
- ohci->usb_packet.len = len;
+ usb_packet_setup(&ohci->usb_packet, pid,
+ OHCI_BM(ed->flags, ED_FA),
+ OHCI_BM(ed->flags, ED_EN));
+ usb_packet_addbuf(&ohci->usb_packet, ohci->usb_buf, len);
ret = usb_handle_packet(dev, &ohci->usb_packet);
if (ret != USB_RET_NODEV)
break;
static int ohci_service_td(OHCIState *ohci, struct ohci_ed *ed)
{
int dir;
- size_t len = 0;
+ size_t len = 0, pktlen = 0;
#ifdef DEBUG_PACKET
const char *str = NULL;
#endif
len = (td.be - td.cbp) + 1;
}
- if (len && dir != OHCI_TD_DIR_IN && !completion) {
- ohci_copy_td(ohci, &td, ohci->usb_buf, len, 0);
+ pktlen = len;
+ if (len && dir != OHCI_TD_DIR_IN) {
+ /* The endpoint may not allow us to transfer it all now */
+ pktlen = (ed->flags & OHCI_ED_MPS_MASK) >> OHCI_ED_MPS_SHIFT;
+ if (pktlen > len) {
+ pktlen = len;
+ }
+ if (!completion) {
+ ohci_copy_td(ohci, &td, ohci->usb_buf, pktlen, 0);
+ }
}
}
flag_r = (td.flags & OHCI_TD_R) != 0;
#ifdef DEBUG_PACKET
- DPRINTF(" TD @ 0x%.8x %" PRId64 " bytes %s r=%d cbp=0x%.8x be=0x%.8x\n",
- addr, (int64_t)len, str, flag_r, td.cbp, td.be);
+ DPRINTF(" TD @ 0x%.8x %" PRId64 " of %" PRId64
+ " bytes %s r=%d cbp=0x%.8x be=0x%.8x\n",
+ addr, (int64_t)pktlen, (int64_t)len, str, flag_r, td.cbp, td.be);
- if (len > 0 && dir != OHCI_TD_DIR_IN) {
+ if (pktlen > 0 && dir != OHCI_TD_DIR_IN) {
DPRINTF(" data:");
- for (i = 0; i < len; i++)
+ for (i = 0; i < pktlen; i++) {
printf(" %.2x", ohci->usb_buf[i]);
+ }
DPRINTF("\n");
}
#endif
if (completion) {
- ret = ohci->usb_packet.len;
+ ret = ohci->usb_packet.result;
ohci->async_td = 0;
ohci->async_complete = 0;
} else {
#endif
return 1;
}
- ohci->usb_packet.pid = pid;
- ohci->usb_packet.devaddr = OHCI_BM(ed->flags, ED_FA);
- ohci->usb_packet.devep = OHCI_BM(ed->flags, ED_EN);
- ohci->usb_packet.data = ohci->usb_buf;
- ohci->usb_packet.len = len;
+ usb_packet_setup(&ohci->usb_packet, pid,
+ OHCI_BM(ed->flags, ED_FA),
+ OHCI_BM(ed->flags, ED_EN));
+ usb_packet_addbuf(&ohci->usb_packet, ohci->usb_buf, pktlen);
ret = usb_handle_packet(dev, &ohci->usb_packet);
if (ret != USB_RET_NODEV)
break;
DPRINTF("\n");
#endif
} else {
- ret = len;
+ ret = pktlen;
}
}
/* Writeback */
- if (ret == len || (dir == OHCI_TD_DIR_IN && ret >= 0 && flag_r)) {
+ if (ret == pktlen || (dir == OHCI_TD_DIR_IN && ret >= 0 && flag_r)) {
/* Transmission succeeded. */
if (ret == len) {
td.cbp = 0;
OHCI_SET_BM(td.flags, TD_CC, OHCI_CC_NOERROR);
OHCI_SET_BM(td.flags, TD_EC, 0);
+ if ((dir != OHCI_TD_DIR_IN) && (ret != len)) {
+ /* Partial packet transfer: TD not ready to retire yet */
+ goto exit_no_retire;
+ }
+
+ /* Setting ED_C is part of the TD retirement process */
ed->head &= ~OHCI_ED_C;
if (td.flags & OHCI_TD_T0)
ed->head |= OHCI_ED_C;
i = OHCI_BM(td.flags, TD_DI);
if (i < ohci->done_count)
ohci->done_count = i;
+exit_no_retire:
ohci_put_td(ohci, addr, &td);
return OHCI_BM(td.flags, TD_CC) != OHCI_CC_NOERROR;
}
return;
}
-static uint32_t ohci_mem_read(void *ptr, target_phys_addr_t addr)
+static uint64_t ohci_mem_read(void *opaque,
+ target_phys_addr_t addr,
+ unsigned size)
{
- OHCIState *ohci = ptr;
+ OHCIState *ohci = opaque;
uint32_t retval;
- addr &= 0xff;
-
/* Only aligned reads are allowed on OHCI */
if (addr & 3) {
fprintf(stderr, "usb-ohci: Mis-aligned read\n");
return retval;
}
-static void ohci_mem_write(void *ptr, target_phys_addr_t addr, uint32_t val)
+static void ohci_mem_write(void *opaque,
+ target_phys_addr_t addr,
+ uint64_t val,
+ unsigned size)
{
- OHCIState *ohci = ptr;
-
- addr &= 0xff;
+ OHCIState *ohci = opaque;
/* Only aligned reads are allowed on OHCI */
if (addr & 3) {
ohci->hcca = val & OHCI_HCCA_MASK;
break;
+ case 7: /* HcPeriodCurrentED */
+ /* Ignore writes to this read-only register, Linux does them */
+ break;
+
case 8: /* HcControlHeadED */
ohci->ctrl_head = val & OHCI_EDPTR_MASK;
break;
}
}
-static void ohci_device_destroy(USBBus *bus, USBDevice *dev)
+static void ohci_async_cancel_device(OHCIState *ohci, USBDevice *dev)
{
- OHCIState *ohci = container_of(bus, OHCIState, bus);
-
if (ohci->async_td && ohci->usb_packet.owner == dev) {
usb_cancel_packet(&ohci->usb_packet);
ohci->async_td = 0;
}
}
-/* Only dword reads are defined on OHCI register space */
-static CPUReadMemoryFunc * const ohci_readfn[3]={
- ohci_mem_read,
- ohci_mem_read,
- ohci_mem_read
-};
-
-/* Only dword writes are defined on OHCI register space */
-static CPUWriteMemoryFunc * const ohci_writefn[3]={
- ohci_mem_write,
- ohci_mem_write,
- ohci_mem_write
+static const MemoryRegionOps ohci_mem_ops = {
+ .read = ohci_mem_read,
+ .write = ohci_mem_write,
+ .endianness = DEVICE_LITTLE_ENDIAN,
};
static USBPortOps ohci_port_ops = {
.attach = ohci_attach,
.detach = ohci_detach,
+ .child_detach = ohci_child_detach,
+ .wakeup = ohci_wakeup,
.complete = ohci_async_complete_packet,
};
static USBBusOps ohci_bus_ops = {
- .device_destroy = ohci_device_destroy,
};
-static void usb_ohci_init(OHCIState *ohci, DeviceState *dev,
- int num_ports, uint32_t localmem_base)
+static int usb_ohci_init(OHCIState *ohci, DeviceState *dev,
+ int num_ports, uint32_t localmem_base,
+ char *masterbus, uint32_t firstport)
{
int i;
usb_frame_time, usb_bit_time);
}
- ohci->mem = cpu_register_io_memory(ohci_readfn, ohci_writefn, ohci,
- DEVICE_LITTLE_ENDIAN);
+ ohci->num_ports = num_ports;
+ if (masterbus) {
+ USBPort *ports[OHCI_MAX_PORTS];
+ for(i = 0; i < num_ports; i++) {
+ ports[i] = &ohci->rhport[i].port;
+ }
+ if (usb_register_companion(masterbus, ports, num_ports,
+ firstport, ohci, &ohci_port_ops,
+ USB_SPEED_MASK_LOW | USB_SPEED_MASK_FULL) != 0) {
+ return -1;
+ }
+ } else {
+ usb_bus_new(&ohci->bus, &ohci_bus_ops, dev);
+ for (i = 0; i < num_ports; i++) {
+ usb_register_port(&ohci->bus, &ohci->rhport[i].port,
+ ohci, i, &ohci_port_ops,
+ USB_SPEED_MASK_LOW | USB_SPEED_MASK_FULL);
+ }
+ }
+
+ memory_region_init_io(&ohci->mem, &ohci_mem_ops, ohci, "ohci", 256);
ohci->localmem_base = localmem_base;
ohci->name = dev->info->name;
-
- usb_bus_new(&ohci->bus, &ohci_bus_ops, dev);
- ohci->num_ports = num_ports;
- for (i = 0; i < num_ports; i++) {
- usb_register_port(&ohci->bus, &ohci->rhport[i].port, ohci, i, &ohci_port_ops,
- USB_SPEED_MASK_LOW | USB_SPEED_MASK_FULL);
- usb_port_location(&ohci->rhport[i].port, NULL, i+1);
- }
+ usb_packet_init(&ohci->usb_packet);
ohci->async_td = 0;
qemu_register_reset(ohci_reset, ohci);
+
+ return 0;
}
typedef struct {
PCIDevice pci_dev;
OHCIState state;
+ char *masterbus;
+ uint32_t num_ports;
+ uint32_t firstport;
} OHCIPCIState;
static int usb_ohci_initfn_pci(struct PCIDevice *dev)
{
OHCIPCIState *ohci = DO_UPCAST(OHCIPCIState, pci_dev, dev);
- int num_ports = 3;
- pci_config_set_vendor_id(ohci->pci_dev.config, PCI_VENDOR_ID_APPLE);
- pci_config_set_device_id(ohci->pci_dev.config,
- PCI_DEVICE_ID_APPLE_IPID_USB);
ohci->pci_dev.config[PCI_CLASS_PROG] = 0x10; /* OHCI */
- pci_config_set_class(ohci->pci_dev.config, PCI_CLASS_SERIAL_USB);
- /* TODO: RST# value should be 0. */
- ohci->pci_dev.config[PCI_INTERRUPT_PIN] = 0x01; /* interrupt pin 1 */
+ ohci->pci_dev.config[PCI_INTERRUPT_PIN] = 0x01; /* interrupt pin A */
- usb_ohci_init(&ohci->state, &dev->qdev, num_ports, 0);
+ if (usb_ohci_init(&ohci->state, &dev->qdev, ohci->num_ports, 0,
+ ohci->masterbus, ohci->firstport) != 0) {
+ return -1;
+ }
ohci->state.irq = ohci->pci_dev.irq[0];
/* TODO: avoid cast below by using dev */
- pci_register_bar_simple(&ohci->pci_dev, 0, 256, 0, ohci->state.mem);
+ pci_register_bar(&ohci->pci_dev, 0, 0, &ohci->state.mem);
return 0;
}
{
OHCISysBusState *s = FROM_SYSBUS(OHCISysBusState, dev);
- usb_ohci_init(&s->ohci, &dev->qdev, s->num_ports, s->dma_offset);
+ /* Cannot fail as we pass NULL for masterbus */
+ usb_ohci_init(&s->ohci, &dev->qdev, s->num_ports, s->dma_offset, NULL, 0);
sysbus_init_irq(dev, &s->ohci.irq);
- sysbus_init_mmio(dev, 0x1000, s->ohci.mem);
+ sysbus_init_mmio(dev, &s->ohci.mem);
return 0;
}
.qdev.desc = "Apple USB Controller",
.qdev.size = sizeof(OHCIPCIState),
.init = usb_ohci_initfn_pci,
+ .vendor_id = PCI_VENDOR_ID_APPLE,
+ .device_id = PCI_DEVICE_ID_APPLE_IPID_USB,
+ .class_id = PCI_CLASS_SERIAL_USB,
+ .qdev.props = (Property[]) {
+ DEFINE_PROP_STRING("masterbus", OHCIPCIState, masterbus),
+ DEFINE_PROP_UINT32("num-ports", OHCIPCIState, num_ports, 3),
+ DEFINE_PROP_UINT32("firstport", OHCIPCIState, firstport, 0),
+ DEFINE_PROP_END_OF_LIST(),
+ },
};
static SysBusDeviceInfo ohci_sysbus_info = {
projects / mirror_qemu.git / blobdiff