hw/usb/hcd-ehci-sysbus.c

   1 /*
   2  * QEMU USB EHCI Emulation
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2 of the License, or(at your option) any later version.
   8  *
   9  * This library 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.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, see <http://www.gnu.org/licenses/>.
  16  */
  17
  18 #include "hw/usb/hcd-ehci.h"
  19
  20 static const VMStateDescription vmstate_ehci_sysbus = {
  21     .name        = "ehci-sysbus",
  22     .version_id  = 2,
  23     .minimum_version_id  = 1,
  24     .fields      = (VMStateField[]) {
  25         VMSTATE_STRUCT(ehci, EHCISysBusState, 2, vmstate_ehci, EHCIState),
  26         VMSTATE_END_OF_LIST()
  27     }
  28 };
  29
  30 static Property ehci_sysbus_properties[] = {
  31     DEFINE_PROP_UINT32("maxframes", EHCISysBusState, ehci.maxframes, 128),
  32     DEFINE_PROP_END_OF_LIST(),
  33 };
  34
  35 static void usb_ehci_sysbus_realize(DeviceState *dev, Error **errp)
  36 {
  37     SysBusDevice *d = SYS_BUS_DEVICE(dev);
  38     EHCISysBusState *i = SYS_BUS_EHCI(dev);
  39     EHCIState *s = &i->ehci;
  40
  41     usb_ehci_realize(s, dev, errp);
  42     sysbus_init_irq(d, &s->irq);
  43 }
  44
  45 static void ehci_sysbus_init(Object *obj)
  46 {
  47     SysBusDevice *d = SYS_BUS_DEVICE(obj);
  48     EHCISysBusState *i = SYS_BUS_EHCI(obj);
  49     SysBusEHCIClass *sec = SYS_BUS_EHCI_GET_CLASS(obj);
  50     EHCIState *s = &i->ehci;
  51
  52     s->capsbase = sec->capsbase;
  53     s->opregbase = sec->opregbase;
  54     s->portscbase = sec->portscbase;
  55     s->portnr = sec->portnr;
  56     s->as = &address_space_memory;
  57
  58     usb_ehci_init(s, DEVICE(obj));
  59     sysbus_init_mmio(d, &s->mem);
  60 }
  61
  62 static void ehci_sysbus_class_init(ObjectClass *klass, void *data)
  63 {
  64     DeviceClass *dc = DEVICE_CLASS(klass);
  65     SysBusEHCIClass *sec = SYS_BUS_EHCI_CLASS(klass);
  66
  67     sec->portscbase = 0x44;
  68     sec->portnr = NB_PORTS;
  69
  70     dc->realize = usb_ehci_sysbus_realize;
  71     dc->vmsd = &vmstate_ehci_sysbus;
  72     dc->props = ehci_sysbus_properties;
  73     set_bit(DEVICE_CATEGORY_USB, dc->categories);
  74 }
  75
  76 static const TypeInfo ehci_type_info = {
  77     .name          = TYPE_SYS_BUS_EHCI,
  78     .parent        = TYPE_SYS_BUS_DEVICE,
  79     .instance_size = sizeof(EHCISysBusState),
  80     .instance_init = ehci_sysbus_init,
  81     .abstract      = true,
  82     .class_init    = ehci_sysbus_class_init,
  83     .class_size    = sizeof(SysBusEHCIClass),
  84 };
  85
  86 static void ehci_xlnx_class_init(ObjectClass *oc, void *data)
  87 {
  88     SysBusEHCIClass *sec = SYS_BUS_EHCI_CLASS(oc);
  89     DeviceClass *dc = DEVICE_CLASS(oc);
  90
  91     set_bit(DEVICE_CATEGORY_USB, dc->categories);
  92     sec->capsbase = 0x100;
  93     sec->opregbase = 0x140;
  94 }
  95
  96 static const TypeInfo ehci_xlnx_type_info = {
  97     .name          = "xlnx,ps7-usb",
  98     .parent        = TYPE_SYS_BUS_EHCI,
  99     .class_init    = ehci_xlnx_class_init,
 100 };
 101
 102 static void ehci_exynos4210_class_init(ObjectClass *oc, void *data)
 103 {
 104     SysBusEHCIClass *sec = SYS_BUS_EHCI_CLASS(oc);
 105     DeviceClass *dc = DEVICE_CLASS(oc);
 106
 107     sec->capsbase = 0x0;
 108     sec->opregbase = 0x10;
 109     set_bit(DEVICE_CATEGORY_USB, dc->categories);
 110 }
 111
 112 static const TypeInfo ehci_exynos4210_type_info = {
 113     .name          = TYPE_EXYNOS4210_EHCI,
 114     .parent        = TYPE_SYS_BUS_EHCI,
 115     .class_init    = ehci_exynos4210_class_init,
 116 };
 117
 118 static void ehci_tegra2_class_init(ObjectClass *oc, void *data)
 119 {
 120     SysBusEHCIClass *sec = SYS_BUS_EHCI_CLASS(oc);
 121     DeviceClass *dc = DEVICE_CLASS(oc);
 122
 123     sec->capsbase = 0x100;
 124     sec->opregbase = 0x140;
 125     set_bit(DEVICE_CATEGORY_USB, dc->categories);
 126 }
 127
 128 static const TypeInfo ehci_tegra2_type_info = {
 129     .name          = TYPE_TEGRA2_EHCI,
 130     .parent        = TYPE_SYS_BUS_EHCI,
 131     .class_init    = ehci_tegra2_class_init,
 132 };
 133
 134 /*
 135  * Faraday FUSBH200 USB 2.0 EHCI
 136  */
 137
 138 /**
 139  * FUSBH200EHCIRegs:
 140  * @FUSBH200_REG_EOF_ASTR: EOF/Async. Sleep Timer Register
 141  * @FUSBH200_REG_BMCSR: Bus Monitor Control/Status Register
 142  */
 143 enum FUSBH200EHCIRegs {
 144     FUSBH200_REG_EOF_ASTR = 0x34,
 145     FUSBH200_REG_BMCSR    = 0x40,
 146 };
 147
 148 static uint64_t fusbh200_ehci_read(void *opaque, hwaddr addr, unsigned size)
 149 {
 150     EHCIState *s = opaque;
 151     hwaddr off = s->opregbase + s->portscbase + 4 * s->portnr + addr;
 152
 153     switch (off) {
 154     case FUSBH200_REG_EOF_ASTR:
 155         return 0x00000041;
 156     case FUSBH200_REG_BMCSR:
 157         /* High-Speed, VBUS valid, interrupt level-high active */
 158         return (2 << 9) | (1 << 8) | (1 << 3);
 159     }
 160
 161     return 0;
 162 }
 163
 164 static void fusbh200_ehci_write(void *opaque, hwaddr addr, uint64_t val,
 165                                 unsigned size)
 166 {
 167 }
 168
 169 static const MemoryRegionOps fusbh200_ehci_mmio_ops = {
 170     .read = fusbh200_ehci_read,
 171     .write = fusbh200_ehci_write,
 172     .valid.min_access_size = 4,
 173     .valid.max_access_size = 4,
 174     .endianness = DEVICE_LITTLE_ENDIAN,
 175 };
 176
 177 static void fusbh200_ehci_init(Object *obj)
 178 {
 179     EHCISysBusState *i = SYS_BUS_EHCI(obj);
 180     FUSBH200EHCIState *f = FUSBH200_EHCI(obj);
 181     EHCIState *s = &i->ehci;
 182
 183     memory_region_init_io(&f->mem_vendor, OBJECT(f), &fusbh200_ehci_mmio_ops, s,
 184                           "fusbh200", 0x4c);
 185     memory_region_add_subregion(&s->mem,
 186                                 s->opregbase + s->portscbase + 4 * s->portnr,
 187                                 &f->mem_vendor);
 188 }
 189
 190 static void fusbh200_ehci_class_init(ObjectClass *oc, void *data)
 191 {
 192     SysBusEHCIClass *sec = SYS_BUS_EHCI_CLASS(oc);
 193     DeviceClass *dc = DEVICE_CLASS(oc);
 194
 195     sec->capsbase = 0x0;
 196     sec->opregbase = 0x10;
 197     sec->portscbase = 0x20;
 198     sec->portnr = 1;
 199     set_bit(DEVICE_CATEGORY_USB, dc->categories);
 200 }
 201
 202 static const TypeInfo ehci_fusbh200_type_info = {
 203     .name          = TYPE_FUSBH200_EHCI,
 204     .parent        = TYPE_SYS_BUS_EHCI,
 205     .instance_size = sizeof(FUSBH200EHCIState),
 206     .instance_init = fusbh200_ehci_init,
 207     .class_init    = fusbh200_ehci_class_init,
 208 };
 209
 210 static void ehci_sysbus_register_types(void)
 211 {
 212     type_register_static(&ehci_type_info);
 213     type_register_static(&ehci_xlnx_type_info);
 214     type_register_static(&ehci_exynos4210_type_info);
 215     type_register_static(&ehci_tegra2_type_info);
 216     type_register_static(&ehci_fusbh200_type_info);
 217 }
 218
 219 type_init(ehci_sysbus_register_types)