xref: /openbmc/qemu/hw/sd/sdhci-pci.c (revision 88d2198c)
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 
sdhci_pci_realize(PCIDevice * dev,Error ** errp)30 static void sdhci_pci_realize(PCIDevice *dev, Error **errp)
31 {
32     ERRP_GUARD();
33     SDHCIState *s = PCI_SDHCI(dev);
34 
35     sdhci_initfn(s);
36     sdhci_common_realize(s, errp);
37     if (*errp) {
38         return;
39     }
40 
41     dev->config[PCI_CLASS_PROG] = 0x01; /* Standard Host supported DMA */
42     dev->config[PCI_INTERRUPT_PIN] = 0x01; /* interrupt pin A */
43     s->irq = pci_allocate_irq(dev);
44     s->dma_as = pci_get_address_space(dev);
45     pci_register_bar(dev, 0, PCI_BASE_ADDRESS_SPACE_MEMORY, &s->iomem);
46 }
47 
sdhci_pci_exit(PCIDevice * dev)48 static void sdhci_pci_exit(PCIDevice *dev)
49 {
50     SDHCIState *s = PCI_SDHCI(dev);
51 
52     sdhci_common_unrealize(s);
53     sdhci_uninitfn(s);
54 }
55 
sdhci_pci_class_init(ObjectClass * klass,void * data)56 static void sdhci_pci_class_init(ObjectClass *klass, void *data)
57 {
58     DeviceClass *dc = DEVICE_CLASS(klass);
59     PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
60 
61     k->realize = sdhci_pci_realize;
62     k->exit = sdhci_pci_exit;
63     k->vendor_id = PCI_VENDOR_ID_REDHAT;
64     k->device_id = PCI_DEVICE_ID_REDHAT_SDHCI;
65     k->class_id = PCI_CLASS_SYSTEM_SDHCI;
66     device_class_set_props(dc, sdhci_pci_properties);
67 
68     sdhci_common_class_init(klass, data);
69 }
70 
71 static const TypeInfo sdhci_pci_types[] = {
72     {
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 
84 DEFINE_TYPES(sdhci_pci_types)
85