2 * QEMU USB OHCI Emulation
3 * Copyright (c) 2004 Gianni Tedesco
4 * Copyright (c) 2006 CodeSourcery
5 * Copyright (c) 2006 Openedhand Ltd.
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.
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.
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/>.
24 #include "sysemu/dma.h"
26 /* Number of Downstream Ports on the root hub: */
27 #define OHCI_MAX_PORTS 15
29 typedef struct OHCIPort {
34 typedef struct OHCIState {
46 /* Control partition */
51 /* memory pointer partition */
53 uint32_t ctrl_head, ctrl_cur;
54 uint32_t bulk_head, bulk_cur;
59 /* Frame counter partition */
64 uint16_t frame_number;
69 /* Root Hub partition */
70 uint32_t rhdesc_a, rhdesc_b;
72 OHCIPort rhport[OHCI_MAX_PORTS];
74 /* PXA27x Non-OHCI events */
80 /* SM501 local memory offset */
81 dma_addr_t localmem_base;
86 uint8_t usb_buf[8192];
90 void (*ohci_die)(struct OHCIState *ohci);
93 extern const VMStateDescription vmstate_ohci_state;
95 void 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);
99 void ohci_bus_stop(OHCIState *ohci);
100 void ohci_stop_endpoints(OHCIState *ohci);
101 void ohci_hard_reset(OHCIState *ohci);
102 void ohci_sysbus_die(struct OHCIState *ohci);