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 = (const 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_finalize(Object *obj)
  78 {
  79     EHCISysBusState *i = SYS_BUS_EHCI(obj);
  80     EHCIState *s = &i->ehci;
  81
  82     usb_ehci_finalize(s);
  83 }
  84
  85 static void ehci_sysbus_class_init(ObjectClass *klass, void *data)
  86 {
  87     DeviceClass *dc = DEVICE_CLASS(klass);
  88     SysBusEHCIClass *sec = SYS_BUS_EHCI_CLASS(klass);
  89
  90     sec->portscbase = 0x44;
  91     sec->portnr = EHCI_PORTS;
  92
  93     dc->realize = usb_ehci_sysbus_realize;
  94     dc->vmsd = &vmstate_ehci_sysbus;
  95     device_class_set_props(dc, ehci_sysbus_properties);
  96     dc->reset = usb_ehci_sysbus_reset;
  97     set_bit(DEVICE_CATEGORY_USB, dc->categories);
  98 }
  99
 100 static const TypeInfo ehci_type_info = {
 101     .name          = TYPE_SYS_BUS_EHCI,
 102     .parent        = TYPE_SYS_BUS_DEVICE,
 103     .instance_size = sizeof(EHCISysBusState),
 104     .instance_init = ehci_sysbus_init,
 105     .instance_finalize = ehci_sysbus_finalize,
 106     .abstract      = true,
 107     .class_init    = ehci_sysbus_class_init,
 108     .class_size    = sizeof(SysBusEHCIClass),
 109 };
 110
 111 static void ehci_platform_class_init(ObjectClass *oc, void *data)
 112 {
 113     SysBusEHCIClass *sec = SYS_BUS_EHCI_CLASS(oc);
 114     DeviceClass *dc = DEVICE_CLASS(oc);
 115
 116     sec->capsbase = 0x0;
 117     sec->opregbase = 0x20;
 118     set_bit(DEVICE_CATEGORY_USB, dc->categories);
 119 }
 120
 121 static const TypeInfo ehci_platform_type_info = {
 122     .name          = TYPE_PLATFORM_EHCI,
 123     .parent        = TYPE_SYS_BUS_EHCI,
 124     .class_init    = ehci_platform_class_init,
 125 };
 126
 127 static void ehci_exynos4210_class_init(ObjectClass *oc, void *data)
 128 {
 129     SysBusEHCIClass *sec = SYS_BUS_EHCI_CLASS(oc);
 130     DeviceClass *dc = DEVICE_CLASS(oc);
 131
 132     sec->capsbase = 0x0;
 133     sec->opregbase = 0x10;
 134     set_bit(DEVICE_CATEGORY_USB, dc->categories);
 135 }
 136
 137 static const TypeInfo ehci_exynos4210_type_info = {
 138     .name          = TYPE_EXYNOS4210_EHCI,
 139     .parent        = TYPE_SYS_BUS_EHCI,
 140     .class_init    = ehci_exynos4210_class_init,
 141 };
 142
 143 static void ehci_aw_h3_class_init(ObjectClass *oc, void *data)
 144 {
 145     SysBusEHCIClass *sec = SYS_BUS_EHCI_CLASS(oc);
 146     DeviceClass *dc = DEVICE_CLASS(oc);
 147
 148     sec->capsbase = 0x0;
 149     sec->opregbase = 0x10;
 150     set_bit(DEVICE_CATEGORY_USB, dc->categories);
 151 }
 152
 153 static const TypeInfo ehci_aw_h3_type_info = {
 154     .name          = TYPE_AW_H3_EHCI,
 155     .parent        = TYPE_SYS_BUS_EHCI,
 156     .class_init    = ehci_aw_h3_class_init,
 157 };
 158
 159 static void ehci_npcm7xx_class_init(ObjectClass *oc, void *data)
 160 {
 161     SysBusEHCIClass *sec = SYS_BUS_EHCI_CLASS(oc);
 162     DeviceClass *dc = DEVICE_CLASS(oc);
 163
 164     sec->capsbase = 0x0;
 165     sec->opregbase = 0x10;
 166     sec->portscbase = 0x44;
 167     sec->portnr = 1;
 168     set_bit(DEVICE_CATEGORY_USB, dc->categories);
 169 }
 170
 171 static const TypeInfo ehci_npcm7xx_type_info = {
 172     .name          = TYPE_NPCM7XX_EHCI,
 173     .parent        = TYPE_SYS_BUS_EHCI,
 174     .class_init    = ehci_npcm7xx_class_init,
 175 };
 176
 177 static void ehci_tegra2_class_init(ObjectClass *oc, void *data)
 178 {
 179     SysBusEHCIClass *sec = SYS_BUS_EHCI_CLASS(oc);
 180     DeviceClass *dc = DEVICE_CLASS(oc);
 181
 182     sec->capsbase = 0x100;
 183     sec->opregbase = 0x140;
 184     set_bit(DEVICE_CATEGORY_USB, dc->categories);
 185 }
 186
 187 static const TypeInfo ehci_tegra2_type_info = {
 188     .name          = TYPE_TEGRA2_EHCI,
 189     .parent        = TYPE_SYS_BUS_EHCI,
 190     .class_init    = ehci_tegra2_class_init,
 191 };
 192
 193 static void ehci_ppc4xx_init(Object *o)
 194 {
 195     EHCISysBusState *s = SYS_BUS_EHCI(o);
 196
 197     s->ehci.companion_enable = true;
 198 }
 199
 200 static void ehci_ppc4xx_class_init(ObjectClass *oc, void *data)
 201 {
 202     SysBusEHCIClass *sec = SYS_BUS_EHCI_CLASS(oc);
 203     DeviceClass *dc = DEVICE_CLASS(oc);
 204
 205     sec->capsbase = 0x0;
 206     sec->opregbase = 0x10;
 207     set_bit(DEVICE_CATEGORY_USB, dc->categories);
 208 }
 209
 210 static const TypeInfo ehci_ppc4xx_type_info = {
 211     .name          = TYPE_PPC4xx_EHCI,
 212     .parent        = TYPE_SYS_BUS_EHCI,
 213     .class_init    = ehci_ppc4xx_class_init,
 214     .instance_init = ehci_ppc4xx_init,
 215 };
 216
 217 /*
 218  * Faraday FUSBH200 USB 2.0 EHCI
 219  */
 220
 221 /**
 222  * FUSBH200EHCIRegs:
 223  * @FUSBH200_REG_EOF_ASTR: EOF/Async. Sleep Timer Register
 224  * @FUSBH200_REG_BMCSR: Bus Monitor Control/Status Register
 225  */
 226 enum FUSBH200EHCIRegs {
 227     FUSBH200_REG_EOF_ASTR = 0x34,
 228     FUSBH200_REG_BMCSR    = 0x40,
 229 };
 230
 231 static uint64_t fusbh200_ehci_read(void *opaque, hwaddr addr, unsigned size)
 232 {
 233     EHCIState *s = opaque;
 234     hwaddr off = s->opregbase + s->portscbase + 4 * s->portnr + addr;
 235
 236     switch (off) {
 237     case FUSBH200_REG_EOF_ASTR:
 238         return 0x00000041;
 239     case FUSBH200_REG_BMCSR:
 240         /* High-Speed, VBUS valid, interrupt level-high active */
 241         return (2 << 9) | (1 << 8) | (1 << 3);
 242     }
 243
 244     return 0;
 245 }
 246
 247 static void fusbh200_ehci_write(void *opaque, hwaddr addr, uint64_t val,
 248                                 unsigned size)
 249 {
 250 }
 251
 252 static const MemoryRegionOps fusbh200_ehci_mmio_ops = {
 253     .read = fusbh200_ehci_read,
 254     .write = fusbh200_ehci_write,
 255     .valid.min_access_size = 4,
 256     .valid.max_access_size = 4,
 257     .endianness = DEVICE_LITTLE_ENDIAN,
 258 };
 259
 260 static void fusbh200_ehci_init(Object *obj)
 261 {
 262     EHCISysBusState *i = SYS_BUS_EHCI(obj);
 263     FUSBH200EHCIState *f = FUSBH200_EHCI(obj);
 264     EHCIState *s = &i->ehci;
 265
 266     memory_region_init_io(&f->mem_vendor, OBJECT(f), &fusbh200_ehci_mmio_ops, s,
 267                           "fusbh200", 0x4c);
 268     memory_region_add_subregion(&s->mem,
 269                                 s->opregbase + s->portscbase + 4 * s->portnr,
 270                                 &f->mem_vendor);
 271 }
 272
 273 static void fusbh200_ehci_class_init(ObjectClass *oc, void *data)
 274 {
 275     SysBusEHCIClass *sec = SYS_BUS_EHCI_CLASS(oc);
 276     DeviceClass *dc = DEVICE_CLASS(oc);
 277
 278     sec->capsbase = 0x0;
 279     sec->opregbase = 0x10;
 280     sec->portscbase = 0x20;
 281     sec->portnr = 1;
 282     set_bit(DEVICE_CATEGORY_USB, dc->categories);
 283 }
 284
 285 static const TypeInfo ehci_fusbh200_type_info = {
 286     .name          = TYPE_FUSBH200_EHCI,
 287     .parent        = TYPE_SYS_BUS_EHCI,
 288     .instance_size = sizeof(FUSBH200EHCIState),
 289     .instance_init = fusbh200_ehci_init,
 290     .class_init    = fusbh200_ehci_class_init,
 291 };
 292
 293 static void ehci_sysbus_register_types(void)
 294 {
 295     type_register_static(&ehci_type_info);
 296     type_register_static(&ehci_platform_type_info);
 297     type_register_static(&ehci_exynos4210_type_info);
 298     type_register_static(&ehci_aw_h3_type_info);
 299     type_register_static(&ehci_npcm7xx_type_info);
 300     type_register_static(&ehci_tegra2_type_info);
 301     type_register_static(&ehci_ppc4xx_type_info);
 302     type_register_static(&ehci_fusbh200_type_info);
 303 }
 304
 305 type_init(ehci_sysbus_register_types)