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 2.1 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 Lesser General Public License
  15  * along with this program; if not, see <http://www.gnu.org/licenses/>.
  16  */
  17
  18 #include "qemu/osdep.h"
  19 #include "hw/qdev-properties.h"
  20 #include "hw/usb/hcd-ehci.h"
  21 #include "migration/vmstate.h"
  22 #include "qemu/module.h"
  23
  24 static const VMStateDescription vmstate_ehci_sysbus = {
  25     .name        = "ehci-sysbus",
  26     .version_id  = 2,
  27     .minimum_version_id  = 1,
  28     .fields = (VMStateField[]) {
  29         VMSTATE_STRUCT(ehci, EHCISysBusState, 2, vmstate_ehci, EHCIState),
  30         VMSTATE_END_OF_LIST()
  31     }
  32 };
  33
  34 static Property ehci_sysbus_properties[] = {
  35     DEFINE_PROP_UINT32("maxframes", EHCISysBusState, ehci.maxframes, 128),
  36     DEFINE_PROP_BOOL("companion-enable", EHCISysBusState, ehci.companion_enable,
  37                      false),
  38     DEFINE_PROP_END_OF_LIST(),
  39 };
  40
  41 static void usb_ehci_sysbus_realize(DeviceState *dev, Error **errp)
  42 {
  43     SysBusDevice *d = SYS_BUS_DEVICE(dev);
  44     EHCISysBusState *i = SYS_BUS_EHCI(dev);
  45     EHCIState *s = &i->ehci;
  46
  47     usb_ehci_realize(s, dev, errp);
  48     sysbus_init_irq(d, &s->irq);
  49 }
  50
  51 static void usb_ehci_sysbus_reset(DeviceState *dev)
  52 {
  53     SysBusDevice *d = SYS_BUS_DEVICE(dev);
  54     EHCISysBusState *i = SYS_BUS_EHCI(d);
  55     EHCIState *s = &i->ehci;
  56
  57     ehci_reset(s);
  58 }
  59
  60 static void ehci_sysbus_init(Object *obj)
  61 {
  62     SysBusDevice *d = SYS_BUS_DEVICE(obj);
  63     EHCISysBusState *i = SYS_BUS_EHCI(obj);
  64     SysBusEHCIClass *sec = SYS_BUS_EHCI_GET_CLASS(obj);
  65     EHCIState *s = &i->ehci;
  66
  67     s->capsbase = sec->capsbase;
  68     s->opregbase = sec->opregbase;
  69     s->portscbase = sec->portscbase;
  70     s->portnr = sec->portnr;
  71     s->as = &address_space_memory;
  72
  73     usb_ehci_init(s, DEVICE(obj));
  74     sysbus_init_mmio(d, &s->mem);
  75 }
  76
  77 static void ehci_sysbus_class_init(ObjectClass *klass, void *data)
  78 {
  79     DeviceClass *dc = DEVICE_CLASS(klass);
  80     SysBusEHCIClass *sec = SYS_BUS_EHCI_CLASS(klass);
  81
  82     sec->portscbase = 0x44;
  83     sec->portnr = NB_PORTS;
  84
  85     dc->realize = usb_ehci_sysbus_realize;
  86     dc->vmsd = &vmstate_ehci_sysbus;
  87     device_class_set_props(dc, ehci_sysbus_properties);
  88     dc->reset = usb_ehci_sysbus_reset;
  89     set_bit(DEVICE_CATEGORY_USB, dc->categories);
  90 }
  91
  92 static const TypeInfo ehci_type_info = {
  93     .name          = TYPE_SYS_BUS_EHCI,
  94     .parent        = TYPE_SYS_BUS_DEVICE,
  95     .instance_size = sizeof(EHCISysBusState),
  96     .instance_init = ehci_sysbus_init,
  97     .abstract      = true,
  98     .class_init    = ehci_sysbus_class_init,
  99     .class_size    = sizeof(SysBusEHCIClass),
 100 };
 101
 102 static void ehci_platform_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 = 0x20;
 109     set_bit(DEVICE_CATEGORY_USB, dc->categories);
 110 }
 111
 112 static const TypeInfo ehci_platform_type_info = {
 113     .name          = TYPE_PLATFORM_EHCI,
 114     .parent        = TYPE_SYS_BUS_EHCI,
 115     .class_init    = ehci_platform_class_init,
 116 };
 117
 118 static void ehci_exynos4210_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 = 0x0;
 124     sec->opregbase = 0x10;
 125     set_bit(DEVICE_CATEGORY_USB, dc->categories);
 126 }
 127
 128 static const TypeInfo ehci_exynos4210_type_info = {
 129     .name          = TYPE_EXYNOS4210_EHCI,
 130     .parent        = TYPE_SYS_BUS_EHCI,
 131     .class_init    = ehci_exynos4210_class_init,
 132 };
 133
 134 static void ehci_tegra2_class_init(ObjectClass *oc, void *data)
 135 {
 136     SysBusEHCIClass *sec = SYS_BUS_EHCI_CLASS(oc);
 137     DeviceClass *dc = DEVICE_CLASS(oc);
 138
 139     sec->capsbase = 0x100;
 140     sec->opregbase = 0x140;
 141     set_bit(DEVICE_CATEGORY_USB, dc->categories);
 142 }
 143
 144 static const TypeInfo ehci_tegra2_type_info = {
 145     .name          = TYPE_TEGRA2_EHCI,
 146     .parent        = TYPE_SYS_BUS_EHCI,
 147     .class_init    = ehci_tegra2_class_init,
 148 };
 149
 150 static void ehci_ppc4xx_init(Object *o)
 151 {
 152     EHCISysBusState *s = SYS_BUS_EHCI(o);
 153
 154     s->ehci.companion_enable = true;
 155 }
 156
 157 static void ehci_ppc4xx_class_init(ObjectClass *oc, void *data)
 158 {
 159     SysBusEHCIClass *sec = SYS_BUS_EHCI_CLASS(oc);
 160     DeviceClass *dc = DEVICE_CLASS(oc);
 161
 162     sec->capsbase = 0x0;
 163     sec->opregbase = 0x10;
 164     set_bit(DEVICE_CATEGORY_USB, dc->categories);
 165 }
 166
 167 static const TypeInfo ehci_ppc4xx_type_info = {
 168     .name          = TYPE_PPC4xx_EHCI,
 169     .parent        = TYPE_SYS_BUS_EHCI,
 170     .class_init    = ehci_ppc4xx_class_init,
 171     .instance_init = ehci_ppc4xx_init,
 172 };
 173
 174 /*
 175  * Faraday FUSBH200 USB 2.0 EHCI
 176  */
 177
 178 /**
 179  * FUSBH200EHCIRegs:
 180  * @FUSBH200_REG_EOF_ASTR: EOF/Async. Sleep Timer Register
 181  * @FUSBH200_REG_BMCSR: Bus Monitor Control/Status Register
 182  */
 183 enum FUSBH200EHCIRegs {
 184     FUSBH200_REG_EOF_ASTR = 0x34,
 185     FUSBH200_REG_BMCSR    = 0x40,
 186 };
 187
 188 static uint64_t fusbh200_ehci_read(void *opaque, hwaddr addr, unsigned size)
 189 {
 190     EHCIState *s = opaque;
 191     hwaddr off = s->opregbase + s->portscbase + 4 * s->portnr + addr;
 192
 193     switch (off) {
 194     case FUSBH200_REG_EOF_ASTR:
 195         return 0x00000041;
 196     case FUSBH200_REG_BMCSR:
 197         /* High-Speed, VBUS valid, interrupt level-high active */
 198         return (2 << 9) | (1 << 8) | (1 << 3);
 199     }
 200
 201     return 0;
 202 }
 203
 204 static void fusbh200_ehci_write(void *opaque, hwaddr addr, uint64_t val,
 205                                 unsigned size)
 206 {
 207 }
 208
 209 static const MemoryRegionOps fusbh200_ehci_mmio_ops = {
 210     .read = fusbh200_ehci_read,
 211     .write = fusbh200_ehci_write,
 212     .valid.min_access_size = 4,
 213     .valid.max_access_size = 4,
 214     .endianness = DEVICE_LITTLE_ENDIAN,
 215 };
 216
 217 static void fusbh200_ehci_init(Object *obj)
 218 {
 219     EHCISysBusState *i = SYS_BUS_EHCI(obj);
 220     FUSBH200EHCIState *f = FUSBH200_EHCI(obj);
 221     EHCIState *s = &i->ehci;
 222
 223     memory_region_init_io(&f->mem_vendor, OBJECT(f), &fusbh200_ehci_mmio_ops, s,
 224                           "fusbh200", 0x4c);
 225     memory_region_add_subregion(&s->mem,
 226                                 s->opregbase + s->portscbase + 4 * s->portnr,
 227                                 &f->mem_vendor);
 228 }
 229
 230 static void fusbh200_ehci_class_init(ObjectClass *oc, void *data)
 231 {
 232     SysBusEHCIClass *sec = SYS_BUS_EHCI_CLASS(oc);
 233     DeviceClass *dc = DEVICE_CLASS(oc);
 234
 235     sec->capsbase = 0x0;
 236     sec->opregbase = 0x10;
 237     sec->portscbase = 0x20;
 238     sec->portnr = 1;
 239     set_bit(DEVICE_CATEGORY_USB, dc->categories);
 240 }
 241
 242 static const TypeInfo ehci_fusbh200_type_info = {
 243     .name          = TYPE_FUSBH200_EHCI,
 244     .parent        = TYPE_SYS_BUS_EHCI,
 245     .instance_size = sizeof(FUSBH200EHCIState),
 246     .instance_init = fusbh200_ehci_init,
 247     .class_init    = fusbh200_ehci_class_init,
 248 };
 249
 250 static void ehci_sysbus_register_types(void)
 251 {
 252     type_register_static(&ehci_type_info);
 253     type_register_static(&ehci_platform_type_info);
 254     type_register_static(&ehci_exynos4210_type_info);
 255     type_register_static(&ehci_tegra2_type_info);
 256     type_register_static(&ehci_ppc4xx_type_info);
 257     type_register_static(&ehci_fusbh200_type_info);
 258 }
 259
 260 type_init(ehci_sysbus_register_types)