hw/sd/sdhci-pci.c

   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     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
  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
  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_info = {
  72     .name = TYPE_PCI_SDHCI,
  73     .parent = TYPE_PCI_DEVICE,
  74     .instance_size = sizeof(SDHCIState),
  75     .class_init = sdhci_pci_class_init,
  76     .interfaces = (InterfaceInfo[]) {
  77         { INTERFACE_CONVENTIONAL_PCI_DEVICE },
  78         { },
  79     },
  80 };
  81
  82 static void sdhci_pci_register_type(void)
  83 {
  84     type_register_static(&sdhci_pci_info);
  85 }
  86
  87 type_init(sdhci_pci_register_type)