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

    s->irq = dev->irq[3];
    s->as = pci_get_address_space(dev);

    s->capsbase = 0x00;
    s->opregbase = 0x20;

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

    return 0;
}

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),
    .abstract = true,
    .class_init = ehci_class_init,
};

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

    k->vendor_id = i->vendor_id;
    k->device_id = i->device_id;
    k->revision = i->revision;
}

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
	63	s->caps[0x09] = 0x68; /* EECP */
	64
	65	s->irq = dev->irq[3];
df32fd1c	66	s->as = pci_get_address_space(dev);
0bf96f94 GH	67
	68	s->capsbase = 0x00;
	69	s->opregbase = 0x20;
	70
	71	usb_ehci_initfn(s, DEVICE(dev));
	72	pci_register_bar(dev, 0, PCI_BASE_ADDRESS_SPACE_MEMORY, &s->mem);
	73
	74	return 0;
	75	}
	76
55903f1d GH	77	static void usb_ehci_pci_write_config(PCIDevice *dev, uint32_t addr,
	78	uint32_t val, int l)
	79	{
5aa3ca9f	80	EHCIPCIState *i = PCI_EHCI(dev);
55903f1d GH	81	bool busmaster;
	82
	83	pci_default_write_config(dev, addr, val, l);
	84
	85	if (!range_covers_byte(addr, l, PCI_COMMAND)) {
	86	return;
	87	}
	88	busmaster = pci_get_word(dev->config + PCI_COMMAND) & PCI_COMMAND_MASTER;
df32fd1c	89	i->ehci.as = busmaster ? pci_get_address_space(dev) : &address_space_memory;
55903f1d GH	90	}
55903f1d GH	91
0bf96f94 GH	92	static Property ehci_pci_properties[] = {
	93	DEFINE_PROP_UINT32("maxframes", EHCIPCIState, ehci.maxframes, 128),
	94	DEFINE_PROP_END_OF_LIST(),
	95	};
	96
	97	static const VMStateDescription vmstate_ehci_pci = {
	98	.name = "ehci",
	99	.version_id = 2,
	100	.minimum_version_id = 1,
	101	.fields = (VMStateField[]) {
	102	VMSTATE_PCI_DEVICE(pcidev, EHCIPCIState),
	103	VMSTATE_STRUCT(ehci, EHCIPCIState, 2, vmstate_ehci, EHCIState),
9d153047	104	VMSTATE_END_OF_LIST()
0bf96f94 GH	105	}
	106	};
	107
	108	static void ehci_class_init(ObjectClass klass, void data)
	109	{
	110	DeviceClass *dc = DEVICE_CLASS(klass);
	111	PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
	112
	113	k->init = usb_ehci_pci_initfn;
0bf96f94	114	k->class_id = PCI_CLASS_SERIAL_USB;
55903f1d	115	k->config_write = usb_ehci_pci_write_config;
6c2d1c32	116	k->no_hotplug = 1;
9d153047	117	dc->vmsd = &vmstate_ehci_pci;
0bf96f94 GH	118	dc->props = ehci_pci_properties;
	119	}
	120
5aa3ca9f AF	121	static const TypeInfo ehci_pci_type_info = {
	122	.name = TYPE_PCI_EHCI,
	123	.parent = TYPE_PCI_DEVICE,
	124	.instance_size = sizeof(EHCIPCIState),
	125	.abstract = true,
	126	.class_init = ehci_class_init,
	127	};
	128
	129	static void ehci_data_class_init(ObjectClass klass, void data)
	130	{
	131	PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
	132	EHCIPCIInfo *i = data;
	133
	134	k->vendor_id = i->vendor_id;
	135	k->device_id = i->device_id;
	136	k->revision = i->revision;
	137	}
	138
df013187 GH	139	static struct EHCIPCIInfo ehci_pci_info[] = {
	140	{
	141	.name = "usb-ehci",
	142	.vendor_id = PCI_VENDOR_ID_INTEL,
	143	.device_id = PCI_DEVICE_ID_INTEL_82801D, /* ich4 */
	144	.revision = 0x10,
	145	},{
ba07630c	146	.name = "ich9-usb-ehci1", /* 00:1d.7 */
df013187 GH	147	.vendor_id = PCI_VENDOR_ID_INTEL,
	148	.device_id = PCI_DEVICE_ID_INTEL_82801I_EHCI1,
	149	.revision = 0x03,
ba07630c GH	150	},{
	151	.name = "ich9-usb-ehci2", /* 00:1a.7 */
	152	.vendor_id = PCI_VENDOR_ID_INTEL,
	153	.device_id = PCI_DEVICE_ID_INTEL_82801I_EHCI2,
	154	.revision = 0x03,
df013187	155	}
0bf96f94 GH	156	};
	157
	158	static void ehci_pci_register_types(void)
	159	{
df013187	160	TypeInfo ehci_type_info = {
5aa3ca9f AF	161	.parent = TYPE_PCI_EHCI,
5aa3ca9f AF	162	.class_init = ehci_data_class_init,
df013187 GH	163	};
	164	int i;
	165
5aa3ca9f AF	166	type_register_static(&ehci_pci_type_info);
5aa3ca9f AF	167
df013187 GH	168	for (i = 0; i < ARRAY_SIZE(ehci_pci_info); i++) {
	169	ehci_type_info.name = ehci_pci_info[i].name;
	170	ehci_type_info.class_data = ehci_pci_info + i;
	171	type_register(&ehci_type_info);
	172	}
0bf96f94 GH	173	}
	174
	175	type_init(ehci_pci_register_types)
bb4d2b2f GH	176
	177	struct ehci_companions {
	178	const char *name;
	179	int func;
	180	int port;
	181	};
	182
	183	static const struct ehci_companions ich9_1d[] = {
	184	{ .name = "ich9-usb-uhci1", .func = 0, .port = 0 },
	185	{ .name = "ich9-usb-uhci2", .func = 1, .port = 2 },
	186	{ .name = "ich9-usb-uhci3", .func = 2, .port = 4 },
	187	};
	188
	189	static const struct ehci_companions ich9_1a[] = {
	190	{ .name = "ich9-usb-uhci4", .func = 0, .port = 0 },
	191	{ .name = "ich9-usb-uhci5", .func = 1, .port = 2 },
	192	{ .name = "ich9-usb-uhci6", .func = 2, .port = 4 },
	193	};
	194
	195	int ehci_create_ich9_with_companions(PCIBus *bus, int slot)
	196	{
	197	const struct ehci_companions *comp;
	198	PCIDevice ehci, uhci;
	199	BusState *usbbus;
	200	const char *name;
	201	int i;
	202
	203	switch (slot) {
	204	case 0x1d:
	205	name = "ich9-usb-ehci1";
	206	comp = ich9_1d;
	207	break;
	208	case 0x1a:
	209	name = "ich9-usb-ehci2";
	210	comp = ich9_1a;
	211	break;
	212	default:
	213	return -1;
	214	}
	215
	216	ehci = pci_create_multifunction(bus, PCI_DEVFN(slot, 7), true, name);
	217	qdev_init_nofail(&ehci->qdev);
	218	usbbus = QLIST_FIRST(&ehci->qdev.child_bus);
	219
	220	for (i = 0; i < 3; i++) {
	221	uhci = pci_create_multifunction(bus, PCI_DEVFN(slot, comp[i].func),
	222	true, comp[i].name);
	223	qdev_prop_set_string(&uhci->qdev, "masterbus", usbbus->name);
	224	qdev_prop_set_uint32(&uhci->qdev, "firstport", comp[i].port);
	225	qdev_init_nofail(&uhci->qdev);
	226	}
	227	return 0;
	228	}