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Diffstat (limited to 'hw/usb/hcd-ohci.h')
-rw-r--r-- | hw/usb/hcd-ohci.h | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/hw/usb/hcd-ohci.h b/hw/usb/hcd-ohci.h new file mode 100644 index 000000000..11ac57058 --- /dev/null +++ b/hw/usb/hcd-ohci.h @@ -0,0 +1,121 @@ +/* + * QEMU USB OHCI Emulation + * Copyright (c) 2004 Gianni Tedesco + * Copyright (c) 2006 CodeSourcery + * Copyright (c) 2006 Openedhand Ltd. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, see <http://www.gnu.org/licenses/>. + */ + +#ifndef HCD_OHCI_H +#define HCD_OHCI_H + +#include "sysemu/dma.h" +#include "hw/usb.h" +#include "qom/object.h" + +/* Number of Downstream Ports on the root hub: */ +#define OHCI_MAX_PORTS 15 + +typedef struct OHCIPort { + USBPort port; + uint32_t ctrl; +} OHCIPort; + +typedef struct OHCIState { + USBBus bus; + qemu_irq irq; + MemoryRegion mem; + AddressSpace *as; + uint32_t num_ports; + const char *name; + + QEMUTimer *eof_timer; + int64_t sof_time; + + /* OHCI state */ + /* Control partition */ + uint32_t ctl, status; + uint32_t intr_status; + uint32_t intr; + + /* memory pointer partition */ + uint32_t hcca; + uint32_t ctrl_head, ctrl_cur; + uint32_t bulk_head, bulk_cur; + uint32_t per_cur; + uint32_t done; + int32_t done_count; + + /* Frame counter partition */ + uint16_t fsmps; + uint8_t fit; + uint16_t fi; + uint8_t frt; + uint16_t frame_number; + uint16_t padding; + uint32_t pstart; + uint32_t lst; + + /* Root Hub partition */ + uint32_t rhdesc_a, rhdesc_b; + uint32_t rhstatus; + OHCIPort rhport[OHCI_MAX_PORTS]; + + /* PXA27x Non-OHCI events */ + uint32_t hstatus; + uint32_t hmask; + uint32_t hreset; + uint32_t htest; + + /* SM501 local memory offset */ + dma_addr_t localmem_base; + + /* Active packets. */ + uint32_t old_ctl; + USBPacket usb_packet; + uint8_t usb_buf[8192]; + uint32_t async_td; + bool async_complete; + + void (*ohci_die)(struct OHCIState *ohci); +} OHCIState; + +#define TYPE_SYSBUS_OHCI "sysbus-ohci" +OBJECT_DECLARE_SIMPLE_TYPE(OHCISysBusState, SYSBUS_OHCI) + +struct OHCISysBusState { + /*< private >*/ + SysBusDevice parent_obj; + /*< public >*/ + + OHCIState ohci; + char *masterbus; + uint32_t num_ports; + uint32_t firstport; + dma_addr_t dma_offset; +}; + +extern const VMStateDescription vmstate_ohci_state; + +void usb_ohci_init(OHCIState *ohci, DeviceState *dev, uint32_t num_ports, + dma_addr_t localmem_base, char *masterbus, + uint32_t firstport, AddressSpace *as, + void (*ohci_die_fn)(struct OHCIState *), Error **errp); +void ohci_bus_stop(OHCIState *ohci); +void ohci_stop_endpoints(OHCIState *ohci); +void ohci_hard_reset(OHCIState *ohci); +void ohci_sysbus_die(struct OHCIState *ohci); + +#endif |