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