qdev: don't access name through info
[qemu.git] / hw / dec_pci.c
1 /*
2 * QEMU DEC 21154 PCI bridge
3 *
4 * Copyright (c) 2006-2007 Fabrice Bellard
5 * Copyright (c) 2007 Jocelyn Mayer
6 *
7 * Permission is hereby granted, free of charge, to any person obtaining a copy
8 * of this software and associated documentation files (the "Software"), to deal
9 * in the Software without restriction, including without limitation the rights
10 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
11 * copies of the Software, and to permit persons to whom the Software is
12 * furnished to do so, subject to the following conditions:
13 *
14 * The above copyright notice and this permission notice shall be included in
15 * all copies or substantial portions of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
23 * THE SOFTWARE.
24 */
25
26 #include "dec_pci.h"
27 #include "sysbus.h"
28 #include "pci.h"
29 #include "pci_host.h"
30 #include "pci_bridge.h"
31 #include "pci_internals.h"
32
33 /* debug DEC */
34 //#define DEBUG_DEC
35
36 #ifdef DEBUG_DEC
37 #define DEC_DPRINTF(fmt, ...) \
38 do { printf("DEC: " fmt , ## __VA_ARGS__); } while (0)
39 #else
40 #define DEC_DPRINTF(fmt, ...)
41 #endif
42
43 typedef struct DECState {
44 SysBusDevice busdev;
45 PCIHostState host_state;
46 } DECState;
47
48 static int dec_map_irq(PCIDevice *pci_dev, int irq_num)
49 {
50 return irq_num;
51 }
52
53 static PCIDeviceInfo dec_21154_pci_bridge_info = {
54 .qdev.name = "dec-21154-p2p-bridge",
55 .qdev.desc = "DEC 21154 PCI-PCI bridge",
56 .qdev.size = sizeof(PCIBridge),
57 .qdev.vmsd = &vmstate_pci_device,
58 .qdev.reset = pci_bridge_reset,
59 .init = pci_bridge_initfn,
60 .exit = pci_bridge_exitfn,
61 .vendor_id = PCI_VENDOR_ID_DEC,
62 .device_id = PCI_DEVICE_ID_DEC_21154,
63 .config_write = pci_bridge_write_config,
64 .is_bridge = 1,
65 };
66
67 PCIBus *pci_dec_21154_init(PCIBus *parent_bus, int devfn)
68 {
69 PCIDevice *dev;
70 PCIBridge *br;
71
72 dev = pci_create_multifunction(parent_bus, devfn, false,
73 "dec-21154-p2p-bridge");
74 br = DO_UPCAST(PCIBridge, dev, dev);
75 pci_bridge_map_irq(br, "DEC 21154 PCI-PCI bridge", dec_map_irq);
76 qdev_init_nofail(&dev->qdev);
77 return pci_bridge_get_sec_bus(br);
78 }
79
80 static int pci_dec_21154_init_device(SysBusDevice *dev)
81 {
82 DECState *s;
83
84 s = FROM_SYSBUS(DECState, dev);
85
86 memory_region_init_io(&s->host_state.conf_mem, &pci_host_conf_le_ops,
87 &s->host_state, "pci-conf-idx", 0x1000);
88 memory_region_init_io(&s->host_state.data_mem, &pci_host_data_le_ops,
89 &s->host_state, "pci-data-idx", 0x1000);
90 sysbus_init_mmio(dev, &s->host_state.conf_mem);
91 sysbus_init_mmio(dev, &s->host_state.data_mem);
92 return 0;
93 }
94
95 static int dec_21154_pci_host_init(PCIDevice *d)
96 {
97 /* PCI2PCI bridge same values as PearPC - check this */
98 return 0;
99 }
100
101 static PCIDeviceInfo dec_21154_pci_host_info = {
102 .qdev.name = "dec-21154",
103 .qdev.size = sizeof(PCIDevice),
104 .init = dec_21154_pci_host_init,
105 .vendor_id = PCI_VENDOR_ID_DEC,
106 .device_id = PCI_DEVICE_ID_DEC_21154,
107 .revision = 0x02,
108 .class_id = PCI_CLASS_BRIDGE_PCI,
109 .is_bridge = 1,
110 };
111
112 static void dec_register_devices(void)
113 {
114 sysbus_register_dev("dec-21154", sizeof(DECState),
115 pci_dec_21154_init_device);
116 pci_qdev_register(&dec_21154_pci_host_info);
117 pci_qdev_register(&dec_21154_pci_bridge_info);
118 }
119
120 device_init(dec_register_devices)