[qemu.git] / hw / input / milkymist-softusb.c

/*
 *  QEMU model of the Milkymist SoftUSB block.
 *
 *  Copyright (c) 2010 Michael Walle <[email protected]>
 *
 * 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 Lesser General Public
 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
 *
 *
 * Specification available at:
 *   not available yet
 */

#include "qemu/osdep.h"
#include "qapi/error.h"
#include "hw/hw.h"
#include "hw/sysbus.h"
#include "trace.h"
#include "ui/console.h"
#include "hw/input/hid.h"
#include "qemu/error-report.h"

enum {
    R_CTRL = 0,
    R_MAX
};

enum {
    CTRL_RESET = (1<<0),
};

#define COMLOC_DEBUG_PRODUCE 0x1000
#define COMLOC_DEBUG_BASE    0x1001
#define COMLOC_MEVT_PRODUCE  0x1101
#define COMLOC_MEVT_BASE     0x1102
#define COMLOC_KEVT_PRODUCE  0x1142
#define COMLOC_KEVT_BASE     0x1143

#define TYPE_MILKYMIST_SOFTUSB "milkymist-softusb"
#define MILKYMIST_SOFTUSB(obj) \
    OBJECT_CHECK(MilkymistSoftUsbState, (obj), TYPE_MILKYMIST_SOFTUSB)

struct MilkymistSoftUsbState {
    SysBusDevice parent_obj;

    HIDState hid_kbd;
    HIDState hid_mouse;

    MemoryRegion regs_region;
    MemoryRegion pmem;
    MemoryRegion dmem;
    qemu_irq irq;

    void *pmem_ptr;
    void *dmem_ptr;

    /* device properties */
    uint32_t pmem_size;
    uint32_t dmem_size;

    /* device registers */
    uint32_t regs[R_MAX];

    /* mouse state */
    uint8_t mouse_hid_buffer[4];

    /* keyboard state */
    uint8_t kbd_hid_buffer[8];
};
typedef struct MilkymistSoftUsbState MilkymistSoftUsbState;

static uint64_t softusb_read(void *opaque, hwaddr addr,
                             unsigned size)
{
    MilkymistSoftUsbState *s = opaque;
    uint32_t r = 0;

    addr >>= 2;
    switch (addr) {
    case R_CTRL:
        r = s->regs[addr];
        break;

    default:
        error_report("milkymist_softusb: read access to unknown register 0x"
                TARGET_FMT_plx, addr << 2);
        break;
    }

    trace_milkymist_softusb_memory_read(addr << 2, r);

    return r;
}

static void
softusb_write(void *opaque, hwaddr addr, uint64_t value,
              unsigned size)
{
    MilkymistSoftUsbState *s = opaque;

    trace_milkymist_softusb_memory_write(addr, value);

    addr >>= 2;
    switch (addr) {
    case R_CTRL:
        s->regs[addr] = value;
        break;

    default:
        error_report("milkymist_softusb: write access to unknown register 0x"
                TARGET_FMT_plx, addr << 2);
        break;
    }
}

static const MemoryRegionOps softusb_mmio_ops = {
    .read = softusb_read,
    .write = softusb_write,
    .endianness = DEVICE_NATIVE_ENDIAN,
    .valid = {
        .min_access_size = 4,
        .max_access_size = 4,
    },
};

static inline void softusb_read_dmem(MilkymistSoftUsbState *s,
        uint32_t offset, uint8_t *buf, uint32_t len)
{
    if (offset + len >= s->dmem_size) {
        error_report("milkymist_softusb: read dmem out of bounds "
                "at offset 0x%x, len %d", offset, len);
        memset(buf, 0, len);
        return;
    }

    memcpy(buf, s->dmem_ptr + offset, len);
}

static inline void softusb_write_dmem(MilkymistSoftUsbState *s,
        uint32_t offset, uint8_t *buf, uint32_t len)
{
    if (offset + len >= s->dmem_size) {
        error_report("milkymist_softusb: write dmem out of bounds "
                "at offset 0x%x, len %d", offset, len);
        return;
    }

    memcpy(s->dmem_ptr + offset, buf, len);
}

static void softusb_mouse_changed(MilkymistSoftUsbState *s)
{
    uint8_t m;

    softusb_read_dmem(s, COMLOC_MEVT_PRODUCE, &m, 1);
    trace_milkymist_softusb_mevt(m);
    softusb_write_dmem(s, COMLOC_MEVT_BASE + 4 * m, s->mouse_hid_buffer, 4);
    m = (m + 1) & 0xf;
    softusb_write_dmem(s, COMLOC_MEVT_PRODUCE, &m, 1);

    trace_milkymist_softusb_pulse_irq();
    qemu_irq_pulse(s->irq);
}

static void softusb_kbd_changed(MilkymistSoftUsbState *s)
{
    uint8_t m;

    softusb_read_dmem(s, COMLOC_KEVT_PRODUCE, &m, 1);
    trace_milkymist_softusb_kevt(m);
    softusb_write_dmem(s, COMLOC_KEVT_BASE + 8 * m, s->kbd_hid_buffer, 8);
    m = (m + 1) & 0x7;
    softusb_write_dmem(s, COMLOC_KEVT_PRODUCE, &m, 1);

    trace_milkymist_softusb_pulse_irq();
    qemu_irq_pulse(s->irq);
}

static void softusb_kbd_hid_datain(HIDState *hs)
{
    MilkymistSoftUsbState *s = container_of(hs, MilkymistSoftUsbState, hid_kbd);
    int len;

    /* if device is in reset, do nothing */
    if (s->regs[R_CTRL] & CTRL_RESET) {
        return;
    }

    while (hid_has_events(hs)) {
        len = hid_keyboard_poll(hs, s->kbd_hid_buffer,
                sizeof(s->kbd_hid_buffer));

        if (len == 8) {
            softusb_kbd_changed(s);
        }
    }
}

static void softusb_mouse_hid_datain(HIDState *hs)
{
    MilkymistSoftUsbState *s =
            container_of(hs, MilkymistSoftUsbState, hid_mouse);
    int len;

    /* if device is in reset, do nothing */
    if (s->regs[R_CTRL] & CTRL_RESET) {
        return;
    }

    while (hid_has_events(hs)) {
        len = hid_pointer_poll(hs, s->mouse_hid_buffer,
                sizeof(s->mouse_hid_buffer));

        if (len == 4) {
            softusb_mouse_changed(s);
        }
    }
}

static void milkymist_softusb_reset(DeviceState *d)
{
    MilkymistSoftUsbState *s = MILKYMIST_SOFTUSB(d);
    int i;

    for (i = 0; i < R_MAX; i++) {
        s->regs[i] = 0;
    }
    memset(s->kbd_hid_buffer, 0, sizeof(s->kbd_hid_buffer));
    memset(s->mouse_hid_buffer, 0, sizeof(s->mouse_hid_buffer));

    hid_reset(&s->hid_kbd);
    hid_reset(&s->hid_mouse);

    /* defaults */
    s->regs[R_CTRL] = CTRL_RESET;
}

static int milkymist_softusb_init(SysBusDevice *dev)
{
    MilkymistSoftUsbState *s = MILKYMIST_SOFTUSB(dev);

    sysbus_init_irq(dev, &s->irq);

    memory_region_init_io(&s->regs_region, OBJECT(s), &softusb_mmio_ops, s,
                          "milkymist-softusb", R_MAX * 4);
    sysbus_init_mmio(dev, &s->regs_region);

    /* register pmem and dmem */
    memory_region_init_ram_nomigrate(&s->pmem, OBJECT(s), "milkymist-softusb.pmem",
                           s->pmem_size, &error_fatal);
    vmstate_register_ram_global(&s->pmem);
    s->pmem_ptr = memory_region_get_ram_ptr(&s->pmem);
    sysbus_init_mmio(dev, &s->pmem);
    memory_region_init_ram_nomigrate(&s->dmem, OBJECT(s), "milkymist-softusb.dmem",
                           s->dmem_size, &error_fatal);
    vmstate_register_ram_global(&s->dmem);
    s->dmem_ptr = memory_region_get_ram_ptr(&s->dmem);
    sysbus_init_mmio(dev, &s->dmem);

    hid_init(&s->hid_kbd, HID_KEYBOARD, softusb_kbd_hid_datain);
    hid_init(&s->hid_mouse, HID_MOUSE, softusb_mouse_hid_datain);

    return 0;
}

static const VMStateDescription vmstate_milkymist_softusb = {
    .name = "milkymist-softusb",
    .version_id = 1,
    .minimum_version_id = 1,
    .fields = (VMStateField[]) {
        VMSTATE_UINT32_ARRAY(regs, MilkymistSoftUsbState, R_MAX),
        VMSTATE_HID_KEYBOARD_DEVICE(hid_kbd, MilkymistSoftUsbState),
        VMSTATE_HID_POINTER_DEVICE(hid_mouse, MilkymistSoftUsbState),
        VMSTATE_BUFFER(kbd_hid_buffer, MilkymistSoftUsbState),
        VMSTATE_BUFFER(mouse_hid_buffer, MilkymistSoftUsbState),
        VMSTATE_END_OF_LIST()
    }
};

static Property milkymist_softusb_properties[] = {
    DEFINE_PROP_UINT32("pmem_size", MilkymistSoftUsbState, pmem_size, 0x00001000),
    DEFINE_PROP_UINT32("dmem_size", MilkymistSoftUsbState, dmem_size, 0x00002000),
    DEFINE_PROP_END_OF_LIST(),
};

static void milkymist_softusb_class_init(ObjectClass *klass, void *data)
{
    DeviceClass *dc = DEVICE_CLASS(klass);
    SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);

    k->init = milkymist_softusb_init;
    dc->reset = milkymist_softusb_reset;
    dc->vmsd = &vmstate_milkymist_softusb;
    dc->props = milkymist_softusb_properties;
}

static const TypeInfo milkymist_softusb_info = {
    .name          = TYPE_MILKYMIST_SOFTUSB,
    .parent        = TYPE_SYS_BUS_DEVICE,
    .instance_size = sizeof(MilkymistSoftUsbState),
    .class_init    = milkymist_softusb_class_init,
};

static void milkymist_softusb_register_types(void)
{
    type_register_static(&milkymist_softusb_info);
}

type_init(milkymist_softusb_register_types)
Commit	Line	Data
87a381ec MW	1	/*
	2	* QEMU model of the Milkymist SoftUSB block.
	3	*
	4	* Copyright (c) 2010 Michael Walle <[email protected]>
	5	*
	6	* This library is free software; you can redistribute it and/or
	7	* modify it under the terms of the GNU Lesser General Public
	8	* License as published by the Free Software Foundation; either
	9	* version 2 of the License, or (at your option) any later version.
	10	*
	11	* This library is distributed in the hope that it will be useful,
	12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	14	* Lesser General Public License for more details.
	15	*
	16	* You should have received a copy of the GNU Lesser General Public
	17	* License along with this library; if not, see <http://www.gnu.org/licenses/>.
	18	*
	19	*
	20	* Specification available at:
	21	* not available yet
	22	*/
	23
ea99dde1	24	#include "qemu/osdep.h"
da34e65c	25	#include "qapi/error.h"
83c9f4ca PB	26	#include "hw/hw.h"
83c9f4ca PB	27	#include "hw/sysbus.h"
87a381ec	28	#include "trace.h"
28ecbaee	29	#include "ui/console.h"
0d09e41a	30	#include "hw/input/hid.h"
1de7afc9	31	#include "qemu/error-report.h"
87a381ec MW	32
	33	enum {
	34	R_CTRL = 0,
	35	R_MAX
	36	};
	37
	38	enum {
	39	CTRL_RESET = (1<<0),
	40	};
	41
	42	#define COMLOC_DEBUG_PRODUCE 0x1000
	43	#define COMLOC_DEBUG_BASE 0x1001
	44	#define COMLOC_MEVT_PRODUCE 0x1101
	45	#define COMLOC_MEVT_BASE 0x1102
	46	#define COMLOC_KEVT_PRODUCE 0x1142
	47	#define COMLOC_KEVT_BASE 0x1143
	48
2a052f6b AF	49	#define TYPE_MILKYMIST_SOFTUSB "milkymist-softusb"
	50	#define MILKYMIST_SOFTUSB(obj) \
	51	OBJECT_CHECK(MilkymistSoftUsbState, (obj), TYPE_MILKYMIST_SOFTUSB)
	52
87a381ec	53	struct MilkymistSoftUsbState {
2a052f6b AF	54	SysBusDevice parent_obj;
2a052f6b AF	55
4c15ba9c MW	56	HIDState hid_kbd;
4c15ba9c MW	57	HIDState hid_mouse;
87a381ec	58
5105ed3b AK	59	MemoryRegion regs_region;
	60	MemoryRegion pmem;
	61	MemoryRegion dmem;
87a381ec MW	62	qemu_irq irq;
87a381ec MW	63
c34e1205 PM	64	void *pmem_ptr;
	65	void *dmem_ptr;
	66
87a381ec	67	/* device properties */
87a381ec	68	uint32_t pmem_size;
87a381ec MW	69	uint32_t dmem_size;
	70
	71	/* device registers */
	72	uint32_t regs[R_MAX];
	73
	74	/* mouse state */
4c15ba9c	75	uint8_t mouse_hid_buffer[4];
87a381ec MW	76
87a381ec MW	77	/* keyboard state */
4c15ba9c	78	uint8_t kbd_hid_buffer[8];
87a381ec MW	79	};
	80	typedef struct MilkymistSoftUsbState MilkymistSoftUsbState;
	81
a8170e5e	82	static uint64_t softusb_read(void *opaque, hwaddr addr,
5105ed3b	83	unsigned size)
87a381ec MW	84	{
	85	MilkymistSoftUsbState *s = opaque;
	86	uint32_t r = 0;
	87
	88	addr >>= 2;
	89	switch (addr) {
	90	case R_CTRL:
	91	r = s->regs[addr];
	92	break;
	93
	94	default:
	95	error_report("milkymist_softusb: read access to unknown register 0x"
	96	TARGET_FMT_plx, addr << 2);
	97	break;
	98	}
	99
	100	trace_milkymist_softusb_memory_read(addr << 2, r);
	101
	102	return r;
	103	}
	104
	105	static void
a8170e5e	106	softusb_write(void *opaque, hwaddr addr, uint64_t value,
5105ed3b	107	unsigned size)
87a381ec MW	108	{
	109	MilkymistSoftUsbState *s = opaque;
	110
	111	trace_milkymist_softusb_memory_write(addr, value);
	112
	113	addr >>= 2;
	114	switch (addr) {
	115	case R_CTRL:
	116	s->regs[addr] = value;
	117	break;
	118
	119	default:
	120	error_report("milkymist_softusb: write access to unknown register 0x"
	121	TARGET_FMT_plx, addr << 2);
	122	break;
	123	}
	124	}
	125
5105ed3b AK	126	static const MemoryRegionOps softusb_mmio_ops = {
	127	.read = softusb_read,
	128	.write = softusb_write,
	129	.endianness = DEVICE_NATIVE_ENDIAN,
	130	.valid = {
	131	.min_access_size = 4,
	132	.max_access_size = 4,
	133	},
87a381ec MW	134	};
	135
	136	static inline void softusb_read_dmem(MilkymistSoftUsbState *s,
	137	uint32_t offset, uint8_t *buf, uint32_t len)
	138	{
	139	if (offset + len >= s->dmem_size) {
	140	error_report("milkymist_softusb: read dmem out of bounds "
6daf194d	141	"at offset 0x%x, len %d", offset, len);
c31bc98e	142	memset(buf, 0, len);
87a381ec MW	143	return;
	144	}
	145
c34e1205	146	memcpy(buf, s->dmem_ptr + offset, len);
87a381ec MW	147	}
	148
	149	static inline void softusb_write_dmem(MilkymistSoftUsbState *s,
	150	uint32_t offset, uint8_t *buf, uint32_t len)
	151	{
	152	if (offset + len >= s->dmem_size) {
	153	error_report("milkymist_softusb: write dmem out of bounds "
6daf194d	154	"at offset 0x%x, len %d", offset, len);
87a381ec MW	155	return;
	156	}
	157
c34e1205	158	memcpy(s->dmem_ptr + offset, buf, len);
87a381ec MW	159	}
87a381ec MW	160
87a381ec MW	161	static void softusb_mouse_changed(MilkymistSoftUsbState *s)
	162	{
	163	uint8_t m;
87a381ec MW	164
	165	softusb_read_dmem(s, COMLOC_MEVT_PRODUCE, &m, 1);
	166	trace_milkymist_softusb_mevt(m);
4c15ba9c	167	softusb_write_dmem(s, COMLOC_MEVT_BASE + 4 * m, s->mouse_hid_buffer, 4);
87a381ec MW	168	m = (m + 1) & 0xf;
	169	softusb_write_dmem(s, COMLOC_MEVT_PRODUCE, &m, 1);
	170
	171	trace_milkymist_softusb_pulse_irq();
	172	qemu_irq_pulse(s->irq);
	173	}
	174
	175	static void softusb_kbd_changed(MilkymistSoftUsbState *s)
	176	{
	177	uint8_t m;
	178
	179	softusb_read_dmem(s, COMLOC_KEVT_PRODUCE, &m, 1);
	180	trace_milkymist_softusb_kevt(m);
4c15ba9c	181	softusb_write_dmem(s, COMLOC_KEVT_BASE + 8 * m, s->kbd_hid_buffer, 8);
87a381ec MW	182	m = (m + 1) & 0x7;
	183	softusb_write_dmem(s, COMLOC_KEVT_PRODUCE, &m, 1);
	184
	185	trace_milkymist_softusb_pulse_irq();
	186	qemu_irq_pulse(s->irq);
	187	}
	188
4c15ba9c	189	static void softusb_kbd_hid_datain(HIDState *hs)
87a381ec	190	{
4c15ba9c MW	191	MilkymistSoftUsbState *s = container_of(hs, MilkymistSoftUsbState, hid_kbd);
4c15ba9c MW	192	int len;
87a381ec MW	193
	194	/* if device is in reset, do nothing */
	195	if (s->regs[R_CTRL] & CTRL_RESET) {
	196	return;
	197	}
	198
857cccac MW	199	while (hid_has_events(hs)) {
	200	len = hid_keyboard_poll(hs, s->kbd_hid_buffer,
	201	sizeof(s->kbd_hid_buffer));
87a381ec	202
857cccac MW	203	if (len == 8) {
	204	softusb_kbd_changed(s);
	205	}
4c15ba9c	206	}
87a381ec MW	207	}
87a381ec MW	208
4c15ba9c	209	static void softusb_mouse_hid_datain(HIDState *hs)
87a381ec	210	{
4c15ba9c MW	211	MilkymistSoftUsbState *s =
	212	container_of(hs, MilkymistSoftUsbState, hid_mouse);
	213	int len;
87a381ec	214
4c15ba9c MW	215	/* if device is in reset, do nothing */
	216	if (s->regs[R_CTRL] & CTRL_RESET) {
	217	return;
	218	}
87a381ec	219
857cccac MW	220	while (hid_has_events(hs)) {
	221	len = hid_pointer_poll(hs, s->mouse_hid_buffer,
	222	sizeof(s->mouse_hid_buffer));
4706ab6c	223
857cccac MW	224	if (len == 4) {
	225	softusb_mouse_changed(s);
	226	}
4c15ba9c	227	}
07771f6f GH	228	}
07771f6f GH	229
87a381ec MW	230	static void milkymist_softusb_reset(DeviceState *d)
87a381ec MW	231	{
2a052f6b	232	MilkymistSoftUsbState *s = MILKYMIST_SOFTUSB(d);
87a381ec MW	233	int i;
	234
	235	for (i = 0; i < R_MAX; i++) {
	236	s->regs[i] = 0;
	237	}
4c15ba9c MW	238	memset(s->kbd_hid_buffer, 0, sizeof(s->kbd_hid_buffer));
	239	memset(s->mouse_hid_buffer, 0, sizeof(s->mouse_hid_buffer));
	240
	241	hid_reset(&s->hid_kbd);
	242	hid_reset(&s->hid_mouse);
87a381ec MW	243
	244	/* defaults */
	245	s->regs[R_CTRL] = CTRL_RESET;
	246	}
	247
	248	static int milkymist_softusb_init(SysBusDevice *dev)
	249	{
2a052f6b	250	MilkymistSoftUsbState *s = MILKYMIST_SOFTUSB(dev);
87a381ec MW	251
	252	sysbus_init_irq(dev, &s->irq);
	253
1437c94b	254	memory_region_init_io(&s->regs_region, OBJECT(s), &softusb_mmio_ops, s,
5105ed3b	255	"milkymist-softusb", R_MAX * 4);
750ecd44	256	sysbus_init_mmio(dev, &s->regs_region);
87a381ec MW	257
87a381ec MW	258	/* register pmem and dmem */
1cfe48c1	259	memory_region_init_ram_nomigrate(&s->pmem, OBJECT(s), "milkymist-softusb.pmem",
f8ed85ac	260	s->pmem_size, &error_fatal);
c5705a77	261	vmstate_register_ram_global(&s->pmem);
c34e1205 PM	262	s->pmem_ptr = memory_region_get_ram_ptr(&s->pmem);
c34e1205 PM	263	sysbus_init_mmio(dev, &s->pmem);
1cfe48c1	264	memory_region_init_ram_nomigrate(&s->dmem, OBJECT(s), "milkymist-softusb.dmem",
f8ed85ac	265	s->dmem_size, &error_fatal);
c5705a77	266	vmstate_register_ram_global(&s->dmem);
c34e1205 PM	267	s->dmem_ptr = memory_region_get_ram_ptr(&s->dmem);
c34e1205 PM	268	sysbus_init_mmio(dev, &s->dmem);
87a381ec	269
4c15ba9c MW	270	hid_init(&s->hid_kbd, HID_KEYBOARD, softusb_kbd_hid_datain);
4c15ba9c MW	271	hid_init(&s->hid_mouse, HID_MOUSE, softusb_mouse_hid_datain);
87a381ec MW	272
	273	return 0;
	274	}
	275
	276	static const VMStateDescription vmstate_milkymist_softusb = {
	277	.name = "milkymist-softusb",
	278	.version_id = 1,
	279	.minimum_version_id = 1,
35d08458	280	.fields = (VMStateField[]) {
87a381ec	281	VMSTATE_UINT32_ARRAY(regs, MilkymistSoftUsbState, R_MAX),
4c15ba9c MW	282	VMSTATE_HID_KEYBOARD_DEVICE(hid_kbd, MilkymistSoftUsbState),
	283	VMSTATE_HID_POINTER_DEVICE(hid_mouse, MilkymistSoftUsbState),
	284	VMSTATE_BUFFER(kbd_hid_buffer, MilkymistSoftUsbState),
	285	VMSTATE_BUFFER(mouse_hid_buffer, MilkymistSoftUsbState),
87a381ec MW	286	VMSTATE_END_OF_LIST()
	287	}
	288	};
	289
999e12bb	290	static Property milkymist_softusb_properties[] = {
999e12bb	291	DEFINE_PROP_UINT32("pmem_size", MilkymistSoftUsbState, pmem_size, 0x00001000),
999e12bb AL	292	DEFINE_PROP_UINT32("dmem_size", MilkymistSoftUsbState, dmem_size, 0x00002000),
	293	DEFINE_PROP_END_OF_LIST(),
	294	};
	295
	296	static void milkymist_softusb_class_init(ObjectClass klass, void data)
	297	{
39bffca2	298	DeviceClass *dc = DEVICE_CLASS(klass);
999e12bb AL	299	SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
	300
	301	k->init = milkymist_softusb_init;
39bffca2 AL	302	dc->reset = milkymist_softusb_reset;
	303	dc->vmsd = &vmstate_milkymist_softusb;
	304	dc->props = milkymist_softusb_properties;
999e12bb AL	305	}
999e12bb AL	306
8c43a6f0	307	static const TypeInfo milkymist_softusb_info = {
2a052f6b	308	.name = TYPE_MILKYMIST_SOFTUSB,
39bffca2 AL	309	.parent = TYPE_SYS_BUS_DEVICE,
	310	.instance_size = sizeof(MilkymistSoftUsbState),
	311	.class_init = milkymist_softusb_class_init,
87a381ec MW	312	};
87a381ec MW	313
83f7d43a	314	static void milkymist_softusb_register_types(void)
87a381ec	315	{
39bffca2	316	type_register_static(&milkymist_softusb_info);
87a381ec MW	317	}
87a381ec MW	318
83f7d43a	319	type_init(milkymist_softusb_register_types)