[qemu.git] / hw / usb / hcd-ehci-pci.c

/*
 * 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 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 General Public License
 * along with this program; if not, see <http://www.gnu.org/licenses/>.
 */

#include "hw/usb/hcd-ehci.h"
#include "qemu/range.h"

typedef struct EHCIPCIInfo {
    const char *name;
    uint16_t vendor_id;
    uint16_t device_id;
    uint8_t  revision;
} EHCIPCIInfo;

static int usb_ehci_pci_initfn(PCIDevice *dev)
{
    EHCIPCIState *i = PCI_EHCI(dev);
    EHCIState *s = &i->ehci;
    uint8_t *pci_conf = dev->config;

    pci_set_byte(&pci_conf[PCI_CLASS_PROG], 0x20);

    /* capabilities pointer */
    pci_set_byte(&pci_conf[PCI_CAPABILITY_LIST], 0x00);
    /* pci_set_byte(&pci_conf[PCI_CAPABILITY_LIST], 0x50); */

    pci_set_byte(&pci_conf[PCI_INTERRUPT_PIN], 4); /* interrupt pin D */
    pci_set_byte(&pci_conf[PCI_MIN_GNT], 0);
    pci_set_byte(&pci_conf[PCI_MAX_LAT], 0);

    /* pci_conf[0x50] = 0x01; *//* power management caps */

    pci_set_byte(&pci_conf[USB_SBRN], USB_RELEASE_2); /* release # (2.1.4) */
    pci_set_byte(&pci_conf[0x61], 0x20);  /* frame length adjustment (2.1.5) */
    pci_set_word(&pci_conf[0x62], 0x00);  /* port wake up capability (2.1.6) */

    pci_conf[0x64] = 0x00;
    pci_conf[0x65] = 0x00;
    pci_conf[0x66] = 0x00;
    pci_conf[0x67] = 0x00;
    pci_conf[0x68] = 0x01;
    pci_conf[0x69] = 0x00;
    pci_conf[0x6a] = 0x00;
    pci_conf[0x6b] = 0x00;  /* USBLEGSUP */
    pci_conf[0x6c] = 0x00;
    pci_conf[0x6d] = 0x00;
    pci_conf[0x6e] = 0x00;
    pci_conf[0x6f] = 0xc0;  /* USBLEFCTLSTS */

    s->irq = pci_allocate_irq(dev);
    s->as = pci_get_address_space(dev);

    usb_ehci_realize(s, DEVICE(dev), NULL);
    pci_register_bar(dev, 0, PCI_BASE_ADDRESS_SPACE_MEMORY, &s->mem);

    return 0;
}

static void usb_ehci_pci_init(Object *obj)
{
    EHCIPCIState *i = PCI_EHCI(obj);
    EHCIState *s = &i->ehci;

    s->caps[0x09] = 0x68;        /* EECP */

    s->capsbase = 0x00;
    s->opregbase = 0x20;
    s->portscbase = 0x44;
    s->portnr = NB_PORTS;

    usb_ehci_init(s, DEVICE(obj));
}

static void usb_ehci_pci_write_config(PCIDevice *dev, uint32_t addr,
                                      uint32_t val, int l)
{
    EHCIPCIState *i = PCI_EHCI(dev);
    bool busmaster;

    pci_default_write_config(dev, addr, val, l);

    if (!range_covers_byte(addr, l, PCI_COMMAND)) {
        return;
    }
    busmaster = pci_get_word(dev->config + PCI_COMMAND) & PCI_COMMAND_MASTER;
    i->ehci.as = busmaster ? pci_get_address_space(dev) : &address_space_memory;
}

static Property ehci_pci_properties[] = {
    DEFINE_PROP_UINT32("maxframes", EHCIPCIState, ehci.maxframes, 128),
    DEFINE_PROP_END_OF_LIST(),
};

static const VMStateDescription vmstate_ehci_pci = {
    .name        = "ehci",
    .version_id  = 2,
    .minimum_version_id  = 1,
    .fields      = (VMStateField[]) {
        VMSTATE_PCI_DEVICE(pcidev, EHCIPCIState),
        VMSTATE_STRUCT(ehci, EHCIPCIState, 2, vmstate_ehci, EHCIState),
        VMSTATE_END_OF_LIST()
    }
};

static void ehci_class_init(ObjectClass *klass, void *data)
{
    DeviceClass *dc = DEVICE_CLASS(klass);
    PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);

    k->init = usb_ehci_pci_initfn;
    k->class_id = PCI_CLASS_SERIAL_USB;
    k->config_write = usb_ehci_pci_write_config;
    k->no_hotplug = 1;
    dc->vmsd = &vmstate_ehci_pci;
    dc->props = ehci_pci_properties;
}

static const TypeInfo ehci_pci_type_info = {
    .name = TYPE_PCI_EHCI,
    .parent = TYPE_PCI_DEVICE,
    .instance_size = sizeof(EHCIPCIState),
    .instance_init = usb_ehci_pci_init,
    .abstract = true,
    .class_init = ehci_class_init,
};

static void ehci_data_class_init(ObjectClass *klass, void *data)
{
    PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
    DeviceClass *dc = DEVICE_CLASS(klass);
    EHCIPCIInfo *i = data;

    k->vendor_id = i->vendor_id;
    k->device_id = i->device_id;
    k->revision = i->revision;
    set_bit(DEVICE_CATEGORY_USB, dc->categories);
}

static struct EHCIPCIInfo ehci_pci_info[] = {
    {
        .name      = "usb-ehci",
        .vendor_id = PCI_VENDOR_ID_INTEL,
        .device_id = PCI_DEVICE_ID_INTEL_82801D, /* ich4 */
        .revision  = 0x10,
    },{
        .name      = "ich9-usb-ehci1", /* 00:1d.7 */
        .vendor_id = PCI_VENDOR_ID_INTEL,
        .device_id = PCI_DEVICE_ID_INTEL_82801I_EHCI1,
        .revision  = 0x03,
    },{
        .name      = "ich9-usb-ehci2", /* 00:1a.7 */
        .vendor_id = PCI_VENDOR_ID_INTEL,
        .device_id = PCI_DEVICE_ID_INTEL_82801I_EHCI2,
        .revision  = 0x03,
    }
};

static void ehci_pci_register_types(void)
{
    TypeInfo ehci_type_info = {
        .parent        = TYPE_PCI_EHCI,
        .class_init    = ehci_data_class_init,
    };
    int i;

    type_register_static(&ehci_pci_type_info);

    for (i = 0; i < ARRAY_SIZE(ehci_pci_info); i++) {
        ehci_type_info.name = ehci_pci_info[i].name;
        ehci_type_info.class_data = ehci_pci_info + i;
        type_register(&ehci_type_info);
    }
}

type_init(ehci_pci_register_types)

struct ehci_companions {
    const char *name;
    int func;
    int port;
};

static const struct ehci_companions ich9_1d[] = {
    { .name = "ich9-usb-uhci1", .func = 0, .port = 0 },
    { .name = "ich9-usb-uhci2", .func = 1, .port = 2 },
    { .name = "ich9-usb-uhci3", .func = 2, .port = 4 },
};

static const struct ehci_companions ich9_1a[] = {
    { .name = "ich9-usb-uhci4", .func = 0, .port = 0 },
    { .name = "ich9-usb-uhci5", .func = 1, .port = 2 },
    { .name = "ich9-usb-uhci6", .func = 2, .port = 4 },
};

int ehci_create_ich9_with_companions(PCIBus *bus, int slot)
{
    const struct ehci_companions *comp;
    PCIDevice *ehci, *uhci;
    BusState *usbbus;
    const char *name;
    int i;

    switch (slot) {
    case 0x1d:
        name = "ich9-usb-ehci1";
        comp = ich9_1d;
        break;
    case 0x1a:
        name = "ich9-usb-ehci2";
        comp = ich9_1a;
        break;
    default:
        return -1;
    }

    ehci = pci_create_multifunction(bus, PCI_DEVFN(slot, 7), true, name);
    qdev_init_nofail(&ehci->qdev);
    usbbus = QLIST_FIRST(&ehci->qdev.child_bus);

    for (i = 0; i < 3; i++) {
        uhci = pci_create_multifunction(bus, PCI_DEVFN(slot, comp[i].func),
                                        true, comp[i].name);
        qdev_prop_set_string(&uhci->qdev, "masterbus", usbbus->name);
        qdev_prop_set_uint32(&uhci->qdev, "firstport", comp[i].port);
        qdev_init_nofail(&uhci->qdev);
    }
    return 0;
}
Commit	Line	Data
0bf96f94 GH	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"
1de7afc9	19	#include "qemu/range.h"
0bf96f94	20
df013187 GH	21	typedef struct EHCIPCIInfo {
	22	const char *name;
	23	uint16_t vendor_id;
	24	uint16_t device_id;
	25	uint8_t revision;
	26	} EHCIPCIInfo;
	27
0bf96f94 GH	28	static int usb_ehci_pci_initfn(PCIDevice *dev)
0bf96f94 GH	29	{
5aa3ca9f	30	EHCIPCIState *i = PCI_EHCI(dev);
0bf96f94 GH	31	EHCIState *s = &i->ehci;
	32	uint8_t *pci_conf = dev->config;
	33
	34	pci_set_byte(&pci_conf[PCI_CLASS_PROG], 0x20);
	35
	36	/* capabilities pointer */
	37	pci_set_byte(&pci_conf[PCI_CAPABILITY_LIST], 0x00);
	38	/* pci_set_byte(&pci_conf[PCI_CAPABILITY_LIST], 0x50); */
	39
	40	pci_set_byte(&pci_conf[PCI_INTERRUPT_PIN], 4); /* interrupt pin D */
	41	pci_set_byte(&pci_conf[PCI_MIN_GNT], 0);
	42	pci_set_byte(&pci_conf[PCI_MAX_LAT], 0);
	43
	44	/* pci_conf[0x50] = 0x01; // power management caps */
	45
	46	pci_set_byte(&pci_conf[USB_SBRN], USB_RELEASE_2); /* release # (2.1.4) */
	47	pci_set_byte(&pci_conf[0x61], 0x20); /* frame length adjustment (2.1.5) */
	48	pci_set_word(&pci_conf[0x62], 0x00); /* port wake up capability (2.1.6) */
	49
	50	pci_conf[0x64] = 0x00;
	51	pci_conf[0x65] = 0x00;
	52	pci_conf[0x66] = 0x00;
	53	pci_conf[0x67] = 0x00;
	54	pci_conf[0x68] = 0x01;
	55	pci_conf[0x69] = 0x00;
	56	pci_conf[0x6a] = 0x00;
	57	pci_conf[0x6b] = 0x00; /* USBLEGSUP */
	58	pci_conf[0x6c] = 0x00;
	59	pci_conf[0x6d] = 0x00;
	60	pci_conf[0x6e] = 0x00;
	61	pci_conf[0x6f] = 0xc0; /* USBLEFCTLSTS */
	62
9e64f8a3	63	s->irq = pci_allocate_irq(dev);
df32fd1c	64	s->as = pci_get_address_space(dev);
0bf96f94	65
08f4c90b	66	usb_ehci_realize(s, DEVICE(dev), NULL);
0bf96f94 GH	67	pci_register_bar(dev, 0, PCI_BASE_ADDRESS_SPACE_MEMORY, &s->mem);
	68
	69	return 0;
	70	}
	71
d4614cc3 AF	72	static void usb_ehci_pci_init(Object *obj)
	73	{
	74	EHCIPCIState *i = PCI_EHCI(obj);
	75	EHCIState *s = &i->ehci;
	76
	77	s->caps[0x09] = 0x68; /* EECP */
	78
	79	s->capsbase = 0x00;
	80	s->opregbase = 0x20;
cc8d6a84 KJS	81	s->portscbase = 0x44;
cc8d6a84 KJS	82	s->portnr = NB_PORTS;
d4614cc3 AF	83
	84	usb_ehci_init(s, DEVICE(obj));
	85	}
	86
55903f1d GH	87	static void usb_ehci_pci_write_config(PCIDevice *dev, uint32_t addr,
	88	uint32_t val, int l)
	89	{
5aa3ca9f	90	EHCIPCIState *i = PCI_EHCI(dev);
55903f1d GH	91	bool busmaster;
	92
	93	pci_default_write_config(dev, addr, val, l);
	94
	95	if (!range_covers_byte(addr, l, PCI_COMMAND)) {
	96	return;
	97	}
	98	busmaster = pci_get_word(dev->config + PCI_COMMAND) & PCI_COMMAND_MASTER;
df32fd1c	99	i->ehci.as = busmaster ? pci_get_address_space(dev) : &address_space_memory;
55903f1d GH	100	}
55903f1d GH	101
0bf96f94 GH	102	static Property ehci_pci_properties[] = {
	103	DEFINE_PROP_UINT32("maxframes", EHCIPCIState, ehci.maxframes, 128),
	104	DEFINE_PROP_END_OF_LIST(),
	105	};
	106
	107	static const VMStateDescription vmstate_ehci_pci = {
	108	.name = "ehci",
	109	.version_id = 2,
	110	.minimum_version_id = 1,
	111	.fields = (VMStateField[]) {
	112	VMSTATE_PCI_DEVICE(pcidev, EHCIPCIState),
	113	VMSTATE_STRUCT(ehci, EHCIPCIState, 2, vmstate_ehci, EHCIState),
9d153047	114	VMSTATE_END_OF_LIST()
0bf96f94 GH	115	}
	116	};
	117
	118	static void ehci_class_init(ObjectClass klass, void data)
	119	{
	120	DeviceClass *dc = DEVICE_CLASS(klass);
	121	PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
	122
	123	k->init = usb_ehci_pci_initfn;
0bf96f94	124	k->class_id = PCI_CLASS_SERIAL_USB;
55903f1d	125	k->config_write = usb_ehci_pci_write_config;
6c2d1c32	126	k->no_hotplug = 1;
9d153047	127	dc->vmsd = &vmstate_ehci_pci;
0bf96f94 GH	128	dc->props = ehci_pci_properties;
	129	}
	130
5aa3ca9f AF	131	static const TypeInfo ehci_pci_type_info = {
	132	.name = TYPE_PCI_EHCI,
	133	.parent = TYPE_PCI_DEVICE,
	134	.instance_size = sizeof(EHCIPCIState),
d4614cc3	135	.instance_init = usb_ehci_pci_init,
5aa3ca9f AF	136	.abstract = true,
	137	.class_init = ehci_class_init,
	138	};
	139
	140	static void ehci_data_class_init(ObjectClass klass, void data)
	141	{
	142	PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
125ee0ed	143	DeviceClass *dc = DEVICE_CLASS(klass);
5aa3ca9f AF	144	EHCIPCIInfo *i = data;
	145
	146	k->vendor_id = i->vendor_id;
	147	k->device_id = i->device_id;
	148	k->revision = i->revision;
125ee0ed	149	set_bit(DEVICE_CATEGORY_USB, dc->categories);
5aa3ca9f AF	150	}
5aa3ca9f AF	151
df013187 GH	152	static struct EHCIPCIInfo ehci_pci_info[] = {
	153	{
	154	.name = "usb-ehci",
	155	.vendor_id = PCI_VENDOR_ID_INTEL,
	156	.device_id = PCI_DEVICE_ID_INTEL_82801D, /* ich4 */
	157	.revision = 0x10,
	158	},{
ba07630c	159	.name = "ich9-usb-ehci1", /* 00:1d.7 */
df013187 GH	160	.vendor_id = PCI_VENDOR_ID_INTEL,
	161	.device_id = PCI_DEVICE_ID_INTEL_82801I_EHCI1,
	162	.revision = 0x03,
ba07630c GH	163	},{
	164	.name = "ich9-usb-ehci2", /* 00:1a.7 */
	165	.vendor_id = PCI_VENDOR_ID_INTEL,
	166	.device_id = PCI_DEVICE_ID_INTEL_82801I_EHCI2,
	167	.revision = 0x03,
df013187	168	}
0bf96f94 GH	169	};
	170
	171	static void ehci_pci_register_types(void)
	172	{
df013187	173	TypeInfo ehci_type_info = {
5aa3ca9f AF	174	.parent = TYPE_PCI_EHCI,
5aa3ca9f AF	175	.class_init = ehci_data_class_init,
df013187 GH	176	};
	177	int i;
	178
5aa3ca9f AF	179	type_register_static(&ehci_pci_type_info);
5aa3ca9f AF	180
df013187 GH	181	for (i = 0; i < ARRAY_SIZE(ehci_pci_info); i++) {
	182	ehci_type_info.name = ehci_pci_info[i].name;
	183	ehci_type_info.class_data = ehci_pci_info + i;
	184	type_register(&ehci_type_info);
	185	}
0bf96f94 GH	186	}
	187
	188	type_init(ehci_pci_register_types)
bb4d2b2f GH	189
	190	struct ehci_companions {
	191	const char *name;
	192	int func;
	193	int port;
	194	};
	195
	196	static const struct ehci_companions ich9_1d[] = {
	197	{ .name = "ich9-usb-uhci1", .func = 0, .port = 0 },
	198	{ .name = "ich9-usb-uhci2", .func = 1, .port = 2 },
	199	{ .name = "ich9-usb-uhci3", .func = 2, .port = 4 },
	200	};
	201
	202	static const struct ehci_companions ich9_1a[] = {
	203	{ .name = "ich9-usb-uhci4", .func = 0, .port = 0 },
	204	{ .name = "ich9-usb-uhci5", .func = 1, .port = 2 },
	205	{ .name = "ich9-usb-uhci6", .func = 2, .port = 4 },
	206	};
	207
	208	int ehci_create_ich9_with_companions(PCIBus *bus, int slot)
	209	{
	210	const struct ehci_companions *comp;
	211	PCIDevice ehci, uhci;
	212	BusState *usbbus;
	213	const char *name;
	214	int i;
	215
	216	switch (slot) {
	217	case 0x1d:
	218	name = "ich9-usb-ehci1";
	219	comp = ich9_1d;
	220	break;
	221	case 0x1a:
	222	name = "ich9-usb-ehci2";
	223	comp = ich9_1a;
	224	break;
	225	default:
	226	return -1;
	227	}
	228
	229	ehci = pci_create_multifunction(bus, PCI_DEVFN(slot, 7), true, name);
	230	qdev_init_nofail(&ehci->qdev);
	231	usbbus = QLIST_FIRST(&ehci->qdev.child_bus);
	232
	233	for (i = 0; i < 3; i++) {
	234	uhci = pci_create_multifunction(bus, PCI_DEVFN(slot, comp[i].func),
	235	true, comp[i].name);
	236	qdev_prop_set_string(&uhci->qdev, "masterbus", usbbus->name);
	237	qdev_prop_set_uint32(&uhci->qdev, "firstport", comp[i].port);
	238	qdev_init_nofail(&uhci->qdev);
	239	}
	240	return 0;
	241	}