xref: /openbmc/qemu/hw/sd/sdhci-pci.c (revision 979a8902)
1 /*
2  * SDHCI device on PCI
3  *
4  * This program is free software; you can redistribute it and/or modify it
5  * under the terms of the GNU General Public License as published by the
6  * Free Software Foundation; either version 2 of the License, or (at your
7  * option) any later version.
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
12  * See the GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License along
15  * with this program; if not, see <http://www.gnu.org/licenses/>.
16  */
17 
18 #include "qemu/osdep.h"
19 #include "qapi/error.h"
20 #include "qemu/module.h"
21 #include "hw/qdev-properties.h"
22 #include "hw/sd/sdhci.h"
23 #include "sdhci-internal.h"
24 
25 static Property sdhci_pci_properties[] = {
26     DEFINE_SDHCI_COMMON_PROPERTIES(SDHCIState),
27     DEFINE_PROP_END_OF_LIST(),
28 };
29 
30 static void sdhci_pci_realize(PCIDevice *dev, Error **errp)
31 {
32     SDHCIState *s = PCI_SDHCI(dev);
33     Error *local_err = NULL;
34 
35     sdhci_initfn(s);
36     sdhci_common_realize(s, &local_err);
37     if (local_err) {
38         error_propagate(errp, local_err);
39         return;
40     }
41 
42     dev->config[PCI_CLASS_PROG] = 0x01; /* Standard Host supported DMA */
43     dev->config[PCI_INTERRUPT_PIN] = 0x01; /* interrupt pin A */
44     s->irq = pci_allocate_irq(dev);
45     s->dma_as = pci_get_address_space(dev);
46     pci_register_bar(dev, 0, PCI_BASE_ADDRESS_SPACE_MEMORY, &s->iomem);
47 }
48 
49 static void sdhci_pci_exit(PCIDevice *dev)
50 {
51     SDHCIState *s = PCI_SDHCI(dev);
52 
53     sdhci_common_unrealize(s, &error_abort);
54     sdhci_uninitfn(s);
55 }
56 
57 static void sdhci_pci_class_init(ObjectClass *klass, void *data)
58 {
59     DeviceClass *dc = DEVICE_CLASS(klass);
60     PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
61 
62     k->realize = sdhci_pci_realize;
63     k->exit = sdhci_pci_exit;
64     k->vendor_id = PCI_VENDOR_ID_REDHAT;
65     k->device_id = PCI_DEVICE_ID_REDHAT_SDHCI;
66     k->class_id = PCI_CLASS_SYSTEM_SDHCI;
67     device_class_set_props(dc, sdhci_pci_properties);
68 
69     sdhci_common_class_init(klass, data);
70 }
71 
72 static const TypeInfo sdhci_pci_info = {
73     .name = TYPE_PCI_SDHCI,
74     .parent = TYPE_PCI_DEVICE,
75     .instance_size = sizeof(SDHCIState),
76     .class_init = sdhci_pci_class_init,
77     .interfaces = (InterfaceInfo[]) {
78         { INTERFACE_CONVENTIONAL_PCI_DEVICE },
79         { },
80     },
81 };
82 
83 static void sdhci_pci_register_type(void)
84 {
85     type_register_static(&sdhci_pci_info);
86 }
87 
88 type_init(sdhci_pci_register_type)
89