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 | |
29 | typedef struct OHCIPort { |
30 | USBPort port; |
31 | uint32_t ctrl; |
32 | } OHCIPort; |
33 | |
34 | typedef 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 | |
93 | extern const VMStateDescription vmstate_ohci_state; |
94 | |
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); |
103 | |
104 | #endif |
105 | |