LXR qemu/hw/usb/hcd-ohci.h

   1/*
   2 * QEMU USB OHCI Emulation
   3 * Copyright (c) 2004 Gianni Tedesco
   4 * Copyright (c) 2006 CodeSourcery
   5 * Copyright (c) 2006 Openedhand Ltd.
   6 *
   7 * This library is free software; you can redistribute it and/or
   8 * modify it under the terms of the GNU Lesser General Public
   9 * License as published by the Free Software Foundation; either
  10 * version 2.1 of the License, or (at your option) any later version.
  11 *
  12 * This library is distributed in the hope that it will be useful,
  13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15 * Lesser General Public License for more details.
  16 *
  17 * You should have received a copy of the GNU Lesser General Public
  18 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  19 */
  20
  21#ifndef HCD_OHCI_H
  22#define HCD_OHCI_H
  23
  24#include "sysemu/dma.h"
  25
  26/* Number of Downstream Ports on the root hub: */
  27#define OHCI_MAX_PORTS 15
  28
  29typedef struct OHCIPort {
  30    USBPort port;
  31    uint32_t ctrl;
  32} OHCIPort;
  33
  34typedef struct OHCIState {
  35    USBBus bus;
  36    qemu_irq irq;
  37    MemoryRegion mem;
  38    AddressSpace *as;
  39    uint32_t num_ports;
  40    const char *name;
  41
  42    QEMUTimer *eof_timer;
  43    int64_t sof_time;
  44
  45    /* OHCI state */
  46    /* Control partition */
  47    uint32_t ctl, status;
  48    uint32_t intr_status;
  49    uint32_t intr;
  50
  51    /* memory pointer partition */
  52    uint32_t hcca;
  53    uint32_t ctrl_head, ctrl_cur;
  54    uint32_t bulk_head, bulk_cur;
  55    uint32_t per_cur;
  56    uint32_t done;
  57    int32_t done_count;
  58
  59    /* Frame counter partition */
  60    uint16_t fsmps;
  61    uint8_t fit;
  62    uint16_t fi;
  63    uint8_t frt;
  64    uint16_t frame_number;
  65    uint16_t padding;
  66    uint32_t pstart;
  67    uint32_t lst;
  68
  69    /* Root Hub partition */
  70    uint32_t rhdesc_a, rhdesc_b;
  71    uint32_t rhstatus;
  72    OHCIPort rhport[OHCI_MAX_PORTS];
  73
  74    /* PXA27x Non-OHCI events */
  75    uint32_t hstatus;
  76    uint32_t hmask;
  77    uint32_t hreset;
  78    uint32_t htest;
  79
  80    /* SM501 local memory offset */
  81    dma_addr_t localmem_base;
  82
  83    /* Active packets.  */
  84    uint32_t old_ctl;
  85    USBPacket usb_packet;
  86    uint8_t usb_buf[8192];
  87    uint32_t async_td;
  88    bool async_complete;
  89
  90    void (*ohci_die)(struct OHCIState *ohci);
  91} OHCIState;
  92
  93extern const VMStateDescription vmstate_ohci_state;
  94
  95void usb_ohci_init(OHCIState *ohci, DeviceState *dev, uint32_t num_ports,
  96                   dma_addr_t localmem_base, char *masterbus,
  97                   uint32_t firstport, AddressSpace *as,
  98                   void (*ohci_die_fn)(struct OHCIState *), Error **errp);
  99void ohci_bus_stop(OHCIState *ohci);
 100void ohci_stop_endpoints(OHCIState *ohci);
 101void ohci_hard_reset(OHCIState *ohci);
 102void ohci_sysbus_die(struct OHCIState *ohci);
 103
 104#endif
 105