hw/usb/hcd-ehci-sysbus.c - third_party/qemu - Git at Google

 /*
  * QEMU USB EHCI Emulation
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public License
  * along with this program; if not, see <http://www.gnu.org/licenses/>.
  */

 #include "qemu/osdep.h"
 #include "hw/qdev-properties.h"
 #include "hw/usb/hcd-ehci.h"
 #include "migration/vmstate.h"
 #include "qemu/module.h"

 static const VMStateDescription vmstate_ehci_sysbus = {
     .name        = "ehci-sysbus",
     .version_id  = 2,
     .minimum_version_id  = 1,
     .fields = (VMStateField[]) {
         VMSTATE_STRUCT(ehci, EHCISysBusState, 2, vmstate_ehci, EHCIState),
         VMSTATE_END_OF_LIST()
     }
 };

 static Property ehci_sysbus_properties[] = {
     DEFINE_PROP_UINT32("maxframes", EHCISysBusState, ehci.maxframes, 128),
     DEFINE_PROP_BOOL("companion-enable", EHCISysBusState, ehci.companion_enable,
                      false),
     DEFINE_PROP_END_OF_LIST(),
 };

 static void usb_ehci_sysbus_realize(DeviceState *dev, Error **errp)
 {
     SysBusDevice *d = SYS_BUS_DEVICE(dev);
     EHCISysBusState *i = SYS_BUS_EHCI(dev);
     EHCIState *s = &i->ehci;

     usb_ehci_realize(s, dev, errp);
     sysbus_init_irq(d, &s->irq);
 }

 static void usb_ehci_sysbus_reset(DeviceState *dev)
 {
     SysBusDevice *d = SYS_BUS_DEVICE(dev);
     EHCISysBusState *i = SYS_BUS_EHCI(d);
     EHCIState *s = &i->ehci;

     ehci_reset(s);
 }

 static void ehci_sysbus_init(Object *obj)
 {
     SysBusDevice *d = SYS_BUS_DEVICE(obj);
     EHCISysBusState *i = SYS_BUS_EHCI(obj);
     SysBusEHCIClass *sec = SYS_BUS_EHCI_GET_CLASS(obj);
     EHCIState *s = &i->ehci;

     s->capsbase = sec->capsbase;
     s->opregbase = sec->opregbase;
     s->portscbase = sec->portscbase;
     s->portnr = sec->portnr;
     s->as = &address_space_memory;

     usb_ehci_init(s, DEVICE(obj));
     sysbus_init_mmio(d, &s->mem);
 }

 static void ehci_sysbus_class_init(ObjectClass *klass, void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
     SysBusEHCIClass *sec = SYS_BUS_EHCI_CLASS(klass);

     sec->portscbase = 0x44;
     sec->portnr = NB_PORTS;

     dc->realize = usb_ehci_sysbus_realize;
     dc->vmsd = &vmstate_ehci_sysbus;
     device_class_set_props(dc, ehci_sysbus_properties);
     dc->reset = usb_ehci_sysbus_reset;
     set_bit(DEVICE_CATEGORY_USB, dc->categories);
 }

 static const TypeInfo ehci_type_info = {
     .name          = TYPE_SYS_BUS_EHCI,
     .parent        = TYPE_SYS_BUS_DEVICE,
     .instance_size = sizeof(EHCISysBusState),
     .instance_init = ehci_sysbus_init,
     .abstract      = true,
     .class_init    = ehci_sysbus_class_init,
     .class_size    = sizeof(SysBusEHCIClass),
 };

 static void ehci_platform_class_init(ObjectClass *oc, void *data)
 {
     SysBusEHCIClass *sec = SYS_BUS_EHCI_CLASS(oc);
     DeviceClass *dc = DEVICE_CLASS(oc);

     sec->capsbase = 0x0;
     sec->opregbase = 0x20;
     set_bit(DEVICE_CATEGORY_USB, dc->categories);
 }

 static const TypeInfo ehci_platform_type_info = {
     .name          = TYPE_PLATFORM_EHCI,
     .parent        = TYPE_SYS_BUS_EHCI,
     .class_init    = ehci_platform_class_init,
 };

 static void ehci_exynos4210_class_init(ObjectClass *oc, void *data)
 {
     SysBusEHCIClass *sec = SYS_BUS_EHCI_CLASS(oc);
     DeviceClass *dc = DEVICE_CLASS(oc);

     sec->capsbase = 0x0;
     sec->opregbase = 0x10;
     set_bit(DEVICE_CATEGORY_USB, dc->categories);
 }

 static const TypeInfo ehci_exynos4210_type_info = {
     .name          = TYPE_EXYNOS4210_EHCI,
     .parent        = TYPE_SYS_BUS_EHCI,
     .class_init    = ehci_exynos4210_class_init,
 };

 static void ehci_aw_h3_class_init(ObjectClass *oc, void *data)
 {
     SysBusEHCIClass *sec = SYS_BUS_EHCI_CLASS(oc);
     DeviceClass *dc = DEVICE_CLASS(oc);

     sec->capsbase = 0x0;
     sec->opregbase = 0x10;
     set_bit(DEVICE_CATEGORY_USB, dc->categories);
 }

 static const TypeInfo ehci_aw_h3_type_info = {
     .name          = TYPE_AW_H3_EHCI,
     .parent        = TYPE_SYS_BUS_EHCI,
     .class_init    = ehci_aw_h3_class_init,
 };

 static void ehci_tegra2_class_init(ObjectClass *oc, void *data)
 {
     SysBusEHCIClass *sec = SYS_BUS_EHCI_CLASS(oc);
     DeviceClass *dc = DEVICE_CLASS(oc);

     sec->capsbase = 0x100;
     sec->opregbase = 0x140;
     set_bit(DEVICE_CATEGORY_USB, dc->categories);
 }

 static const TypeInfo ehci_tegra2_type_info = {
     .name          = TYPE_TEGRA2_EHCI,
     .parent        = TYPE_SYS_BUS_EHCI,
     .class_init    = ehci_tegra2_class_init,
 };

 static void ehci_ppc4xx_init(Object *o)
 {
     EHCISysBusState *s = SYS_BUS_EHCI(o);

     s->ehci.companion_enable = true;
 }

 static void ehci_ppc4xx_class_init(ObjectClass *oc, void *data)
 {
     SysBusEHCIClass *sec = SYS_BUS_EHCI_CLASS(oc);
     DeviceClass *dc = DEVICE_CLASS(oc);

     sec->capsbase = 0x0;
     sec->opregbase = 0x10;
     set_bit(DEVICE_CATEGORY_USB, dc->categories);
 }

 static const TypeInfo ehci_ppc4xx_type_info = {
     .name          = TYPE_PPC4xx_EHCI,
     .parent        = TYPE_SYS_BUS_EHCI,
     .class_init    = ehci_ppc4xx_class_init,
     .instance_init = ehci_ppc4xx_init,
 };

 /*
  * Faraday FUSBH200 USB 2.0 EHCI
  */

 /**
  * FUSBH200EHCIRegs:
  * @FUSBH200_REG_EOF_ASTR: EOF/Async. Sleep Timer Register
  * @FUSBH200_REG_BMCSR: Bus Monitor Control/Status Register
  */
 enum FUSBH200EHCIRegs {
     FUSBH200_REG_EOF_ASTR = 0x34,
     FUSBH200_REG_BMCSR    = 0x40,
 };

 static uint64_t fusbh200_ehci_read(void *opaque, hwaddr addr, unsigned size)
 {
     EHCIState *s = opaque;
     hwaddr off = s->opregbase + s->portscbase + 4 * s->portnr + addr;

     switch (off) {
     case FUSBH200_REG_EOF_ASTR:
         return 0x00000041;
     case FUSBH200_REG_BMCSR:
         /* High-Speed, VBUS valid, interrupt level-high active */
         return (2 << 9) | (1 << 8) | (1 << 3);
     }

     return 0;
 }

 static void fusbh200_ehci_write(void *opaque, hwaddr addr, uint64_t val,
                                 unsigned size)
 {
 }

 static const MemoryRegionOps fusbh200_ehci_mmio_ops = {
     .read = fusbh200_ehci_read,
     .write = fusbh200_ehci_write,
     .valid.min_access_size = 4,
     .valid.max_access_size = 4,
     .endianness = DEVICE_LITTLE_ENDIAN,
 };

 static void fusbh200_ehci_init(Object *obj)
 {
     EHCISysBusState *i = SYS_BUS_EHCI(obj);
     FUSBH200EHCIState *f = FUSBH200_EHCI(obj);
     EHCIState *s = &i->ehci;

     memory_region_init_io(&f->mem_vendor, OBJECT(f), &fusbh200_ehci_mmio_ops, s,
                           "fusbh200", 0x4c);
     memory_region_add_subregion(&s->mem,
                                 s->opregbase + s->portscbase + 4 * s->portnr,
                                 &f->mem_vendor);
 }

 static void fusbh200_ehci_class_init(ObjectClass *oc, void *data)
 {
     SysBusEHCIClass *sec = SYS_BUS_EHCI_CLASS(oc);
     DeviceClass *dc = DEVICE_CLASS(oc);

     sec->capsbase = 0x0;
     sec->opregbase = 0x10;
     sec->portscbase = 0x20;
     sec->portnr = 1;
     set_bit(DEVICE_CATEGORY_USB, dc->categories);
 }

 static const TypeInfo ehci_fusbh200_type_info = {
     .name          = TYPE_FUSBH200_EHCI,
     .parent        = TYPE_SYS_BUS_EHCI,
     .instance_size = sizeof(FUSBH200EHCIState),
     .instance_init = fusbh200_ehci_init,
     .class_init    = fusbh200_ehci_class_init,
 };

 static void ehci_sysbus_register_types(void)
 {
     type_register_static(&ehci_type_info);
     type_register_static(&ehci_platform_type_info);
     type_register_static(&ehci_exynos4210_type_info);
     type_register_static(&ehci_aw_h3_type_info);
     type_register_static(&ehci_tegra2_type_info);
     type_register_static(&ehci_ppc4xx_type_info);
     type_register_static(&ehci_fusbh200_type_info);
 }

 type_init(ehci_sysbus_register_types)
	/*
	* QEMU USB EHCI Emulation
	*
	* This library is free software; you can redistribute it and/or
	* modify it under the terms of the GNU Lesser General Public
	* License as published by the Free Software Foundation; either
	* version 2.1 of the License, or (at your option) any later version.
	*
	* This library is distributed in the hope that it will be useful,
	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	* Lesser General Public License for more details.
	*
	* You should have received a copy of the GNU Lesser General Public License
	* along with this program; if not, see <http://www.gnu.org/licenses/>.
	*/

	#include "qemu/osdep.h"
	#include "hw/qdev-properties.h"
	#include "hw/usb/hcd-ehci.h"
	#include "migration/vmstate.h"
	#include "qemu/module.h"

	static const VMStateDescription vmstate_ehci_sysbus = {
	.name = "ehci-sysbus",
	.version_id = 2,
	.minimum_version_id = 1,
	.fields = (VMStateField[]) {
	VMSTATE_STRUCT(ehci, EHCISysBusState, 2, vmstate_ehci, EHCIState),
	VMSTATE_END_OF_LIST()
	}
	};

	static Property ehci_sysbus_properties[] = {
	DEFINE_PROP_UINT32("maxframes", EHCISysBusState, ehci.maxframes, 128),
	DEFINE_PROP_BOOL("companion-enable", EHCISysBusState, ehci.companion_enable,
	false),
	DEFINE_PROP_END_OF_LIST(),
	};

	static void usb_ehci_sysbus_realize(DeviceState dev, Error *errp)
	{
	SysBusDevice *d = SYS_BUS_DEVICE(dev);
	EHCISysBusState *i = SYS_BUS_EHCI(dev);
	EHCIState *s = &i->ehci;

	usb_ehci_realize(s, dev, errp);
	sysbus_init_irq(d, &s->irq);
	}

	static void usb_ehci_sysbus_reset(DeviceState *dev)
	{
	SysBusDevice *d = SYS_BUS_DEVICE(dev);
	EHCISysBusState *i = SYS_BUS_EHCI(d);
	EHCIState *s = &i->ehci;

	ehci_reset(s);
	}

	static void ehci_sysbus_init(Object *obj)
	{
	SysBusDevice *d = SYS_BUS_DEVICE(obj);
	EHCISysBusState *i = SYS_BUS_EHCI(obj);
	SysBusEHCIClass *sec = SYS_BUS_EHCI_GET_CLASS(obj);
	EHCIState *s = &i->ehci;

	s->capsbase = sec->capsbase;
	s->opregbase = sec->opregbase;
	s->portscbase = sec->portscbase;
	s->portnr = sec->portnr;
	s->as = &address_space_memory;

	usb_ehci_init(s, DEVICE(obj));
	sysbus_init_mmio(d, &s->mem);
	}

	static void ehci_sysbus_class_init(ObjectClass klass, void data)
	{
	DeviceClass *dc = DEVICE_CLASS(klass);
	SysBusEHCIClass *sec = SYS_BUS_EHCI_CLASS(klass);

	sec->portscbase = 0x44;
	sec->portnr = NB_PORTS;

	dc->realize = usb_ehci_sysbus_realize;
	dc->vmsd = &vmstate_ehci_sysbus;
	device_class_set_props(dc, ehci_sysbus_properties);
	dc->reset = usb_ehci_sysbus_reset;
	set_bit(DEVICE_CATEGORY_USB, dc->categories);
	}

	static const TypeInfo ehci_type_info = {
	.name = TYPE_SYS_BUS_EHCI,
	.parent = TYPE_SYS_BUS_DEVICE,
	.instance_size = sizeof(EHCISysBusState),
	.instance_init = ehci_sysbus_init,
	.abstract = true,
	.class_init = ehci_sysbus_class_init,
	.class_size = sizeof(SysBusEHCIClass),
	};

	static void ehci_platform_class_init(ObjectClass oc, void data)
	{
	SysBusEHCIClass *sec = SYS_BUS_EHCI_CLASS(oc);
	DeviceClass *dc = DEVICE_CLASS(oc);

	sec->capsbase = 0x0;
	sec->opregbase = 0x20;
	set_bit(DEVICE_CATEGORY_USB, dc->categories);
	}

	static const TypeInfo ehci_platform_type_info = {
	.name = TYPE_PLATFORM_EHCI,
	.parent = TYPE_SYS_BUS_EHCI,
	.class_init = ehci_platform_class_init,
	};

	static void ehci_exynos4210_class_init(ObjectClass oc, void data)
	{
	SysBusEHCIClass *sec = SYS_BUS_EHCI_CLASS(oc);
	DeviceClass *dc = DEVICE_CLASS(oc);

	sec->capsbase = 0x0;
	sec->opregbase = 0x10;
	set_bit(DEVICE_CATEGORY_USB, dc->categories);
	}

	static const TypeInfo ehci_exynos4210_type_info = {
	.name = TYPE_EXYNOS4210_EHCI,
	.parent = TYPE_SYS_BUS_EHCI,
	.class_init = ehci_exynos4210_class_init,
	};

	static void ehci_aw_h3_class_init(ObjectClass oc, void data)
	{
	SysBusEHCIClass *sec = SYS_BUS_EHCI_CLASS(oc);
	DeviceClass *dc = DEVICE_CLASS(oc);

	sec->capsbase = 0x0;
	sec->opregbase = 0x10;
	set_bit(DEVICE_CATEGORY_USB, dc->categories);
	}

	static const TypeInfo ehci_aw_h3_type_info = {
	.name = TYPE_AW_H3_EHCI,
	.parent = TYPE_SYS_BUS_EHCI,
	.class_init = ehci_aw_h3_class_init,
	};

	static void ehci_tegra2_class_init(ObjectClass oc, void data)
	{
	SysBusEHCIClass *sec = SYS_BUS_EHCI_CLASS(oc);
	DeviceClass *dc = DEVICE_CLASS(oc);

	sec->capsbase = 0x100;
	sec->opregbase = 0x140;
	set_bit(DEVICE_CATEGORY_USB, dc->categories);
	}

	static const TypeInfo ehci_tegra2_type_info = {
	.name = TYPE_TEGRA2_EHCI,
	.parent = TYPE_SYS_BUS_EHCI,
	.class_init = ehci_tegra2_class_init,
	};

	static void ehci_ppc4xx_init(Object *o)
	{
	EHCISysBusState *s = SYS_BUS_EHCI(o);

	s->ehci.companion_enable = true;
	}

	static void ehci_ppc4xx_class_init(ObjectClass oc, void data)
	{
	SysBusEHCIClass *sec = SYS_BUS_EHCI_CLASS(oc);
	DeviceClass *dc = DEVICE_CLASS(oc);

	sec->capsbase = 0x0;
	sec->opregbase = 0x10;
	set_bit(DEVICE_CATEGORY_USB, dc->categories);
	}

	static const TypeInfo ehci_ppc4xx_type_info = {
	.name = TYPE_PPC4xx_EHCI,
	.parent = TYPE_SYS_BUS_EHCI,
	.class_init = ehci_ppc4xx_class_init,
	.instance_init = ehci_ppc4xx_init,
	};

	/*
	* Faraday FUSBH200 USB 2.0 EHCI
	*/

	/**
	* FUSBH200EHCIRegs:
	* @FUSBH200_REG_EOF_ASTR: EOF/Async. Sleep Timer Register
	* @FUSBH200_REG_BMCSR: Bus Monitor Control/Status Register
	*/
	enum FUSBH200EHCIRegs {
	FUSBH200_REG_EOF_ASTR = 0x34,
	FUSBH200_REG_BMCSR = 0x40,
	};

	static uint64_t fusbh200_ehci_read(void *opaque, hwaddr addr, unsigned size)
	{
	EHCIState *s = opaque;
	hwaddr off = s->opregbase + s->portscbase + 4 * s->portnr + addr;

	switch (off) {
	case FUSBH200_REG_EOF_ASTR:
	return 0x00000041;
	case FUSBH200_REG_BMCSR:
	/* High-Speed, VBUS valid, interrupt level-high active */
	return (2 << 9) \| (1 << 8) \| (1 << 3);
	}

	return 0;
	}

	static void fusbh200_ehci_write(void *opaque, hwaddr addr, uint64_t val,
	unsigned size)
	{
	}

	static const MemoryRegionOps fusbh200_ehci_mmio_ops = {
	.read = fusbh200_ehci_read,
	.write = fusbh200_ehci_write,
	.valid.min_access_size = 4,
	.valid.max_access_size = 4,
	.endianness = DEVICE_LITTLE_ENDIAN,
	};

	static void fusbh200_ehci_init(Object *obj)
	{
	EHCISysBusState *i = SYS_BUS_EHCI(obj);
	FUSBH200EHCIState *f = FUSBH200_EHCI(obj);
	EHCIState *s = &i->ehci;

	memory_region_init_io(&f->mem_vendor, OBJECT(f), &fusbh200_ehci_mmio_ops, s,
	"fusbh200", 0x4c);
	memory_region_add_subregion(&s->mem,
	s->opregbase + s->portscbase + 4 * s->portnr,
	&f->mem_vendor);
	}

	static void fusbh200_ehci_class_init(ObjectClass oc, void data)
	{
	SysBusEHCIClass *sec = SYS_BUS_EHCI_CLASS(oc);
	DeviceClass *dc = DEVICE_CLASS(oc);

	sec->capsbase = 0x0;
	sec->opregbase = 0x10;
	sec->portscbase = 0x20;
	sec->portnr = 1;
	set_bit(DEVICE_CATEGORY_USB, dc->categories);
	}

	static const TypeInfo ehci_fusbh200_type_info = {
	.name = TYPE_FUSBH200_EHCI,
	.parent = TYPE_SYS_BUS_EHCI,
	.instance_size = sizeof(FUSBH200EHCIState),
	.instance_init = fusbh200_ehci_init,
	.class_init = fusbh200_ehci_class_init,
	};

	static void ehci_sysbus_register_types(void)
	{
	type_register_static(&ehci_type_info);
	type_register_static(&ehci_platform_type_info);
	type_register_static(&ehci_exynos4210_type_info);
	type_register_static(&ehci_aw_h3_type_info);
	type_register_static(&ehci_tegra2_type_info);
	type_register_static(&ehci_ppc4xx_type_info);
	type_register_static(&ehci_fusbh200_type_info);
	}

	type_init(ehci_sysbus_register_types)