[qemu.git] / hw / usb-serial.c

/*
 * FTDI FT232BM Device emulation
 *
 * Copyright (c) 2006 CodeSourcery.
 * Copyright (c) 2008 Samuel Thibault <[email protected]>
 * Written by Paul Brook, reused for FTDI by Samuel Thibault
 *
 * This code is licenced under the LGPL.
 */

#include "qemu-common.h"
#include "qemu-error.h"
#include "usb.h"
#include "qemu-char.h"

//#define DEBUG_Serial

#ifdef DEBUG_Serial
#define DPRINTF(fmt, ...) \
do { printf("usb-serial: " fmt , ## __VA_ARGS__); } while (0)
#else
#define DPRINTF(fmt, ...) do {} while(0)
#endif

#define RECV_BUF 384

/* Commands */
#define FTDI_RESET		0
#define FTDI_SET_MDM_CTRL	1
#define FTDI_SET_FLOW_CTRL	2
#define FTDI_SET_BAUD		3
#define FTDI_SET_DATA		4
#define FTDI_GET_MDM_ST		5
#define FTDI_SET_EVENT_CHR	6
#define FTDI_SET_ERROR_CHR	7
#define FTDI_SET_LATENCY	9
#define FTDI_GET_LATENCY	10

#define DeviceOutVendor	((USB_DIR_OUT|USB_TYPE_VENDOR|USB_RECIP_DEVICE)<<8)
#define DeviceInVendor	((USB_DIR_IN |USB_TYPE_VENDOR|USB_RECIP_DEVICE)<<8)

/* RESET */

#define FTDI_RESET_SIO	0
#define FTDI_RESET_RX	1
#define FTDI_RESET_TX	2

/* SET_MDM_CTRL */

#define FTDI_DTR	1
#define FTDI_SET_DTR	(FTDI_DTR << 8)
#define FTDI_RTS	2
#define FTDI_SET_RTS	(FTDI_RTS << 8)

/* SET_FLOW_CTRL */

#define FTDI_RTS_CTS_HS		1
#define FTDI_DTR_DSR_HS		2
#define FTDI_XON_XOFF_HS	4

/* SET_DATA */

#define FTDI_PARITY	(0x7 << 8)
#define FTDI_ODD	(0x1 << 8)
#define FTDI_EVEN	(0x2 << 8)
#define FTDI_MARK	(0x3 << 8)
#define FTDI_SPACE	(0x4 << 8)

#define FTDI_STOP	(0x3 << 11)
#define FTDI_STOP1	(0x0 << 11)
#define FTDI_STOP15	(0x1 << 11)
#define FTDI_STOP2	(0x2 << 11)

/* GET_MDM_ST */
/* TODO: should be sent every 40ms */
#define FTDI_CTS  (1<<4)        // CTS line status
#define FTDI_DSR  (1<<5)        // DSR line status
#define FTDI_RI   (1<<6)        // RI line status
#define FTDI_RLSD (1<<7)        // Receive Line Signal Detect

/* Status */

#define FTDI_DR   (1<<0)        // Data Ready
#define FTDI_OE   (1<<1)        // Overrun Err
#define FTDI_PE   (1<<2)        // Parity Err
#define FTDI_FE   (1<<3)        // Framing Err
#define FTDI_BI   (1<<4)        // Break Interrupt
#define FTDI_THRE (1<<5)        // Transmitter Holding Register
#define FTDI_TEMT (1<<6)        // Transmitter Empty
#define FTDI_FIFO (1<<7)        // Error in FIFO

typedef struct {
    USBDevice dev;
    uint32_t vendorid;
    uint32_t productid;
    uint8_t recv_buf[RECV_BUF];
    uint16_t recv_ptr;
    uint16_t recv_used;
    uint8_t event_chr;
    uint8_t error_chr;
    uint8_t event_trigger;
    QEMUSerialSetParams params;
    int latency;        /* ms */
    CharDriverState *cs;
} USBSerialState;

static const uint8_t qemu_serial_dev_descriptor[] = {
        0x12,       /*  u8 bLength; */
        0x01,       /*  u8 bDescriptorType; Device */
        0x00, 0x02, /*  u16 bcdUSB; v2.0 */

        0x00,       /*  u8  bDeviceClass; */
        0x00,       /*  u8  bDeviceSubClass; */
        0x00,       /*  u8  bDeviceProtocol; [ low/full speeds only ] */
        0x08,       /*  u8  bMaxPacketSize0; 8 Bytes */

        /* Vendor and product id are arbitrary.  */
        0x03, 0x04, /*  u16 idVendor; */
        0x00, 0xFF, /*  u16 idProduct; */
        0x00, 0x04, /*  u16 bcdDevice */

        0x01,       /*  u8  iManufacturer; */
        0x02,       /*  u8  iProduct; */
        0x03,       /*  u8  iSerialNumber; */
        0x01        /*  u8  bNumConfigurations; */
};

static const uint8_t qemu_serial_config_descriptor[] = {

        /* one configuration */
        0x09,       /*  u8  bLength; */
        0x02,       /*  u8  bDescriptorType; Configuration */
        0x20, 0x00, /*  u16 wTotalLength; */
        0x01,       /*  u8  bNumInterfaces; (1) */
        0x01,       /*  u8  bConfigurationValue; */
        0x00,       /*  u8  iConfiguration; */
        0x80,       /*  u8  bmAttributes;
                                 Bit 7: must be set,
                                     6: Self-powered,
                                     5: Remote wakeup,
                                     4..0: resvd */
        100/2,       /*  u8  MaxPower; */

        /* one interface */
        0x09,       /*  u8  if_bLength; */
        0x04,       /*  u8  if_bDescriptorType; Interface */
        0x00,       /*  u8  if_bInterfaceNumber; */
        0x00,       /*  u8  if_bAlternateSetting; */
        0x02,       /*  u8  if_bNumEndpoints; */
        0xff,       /*  u8  if_bInterfaceClass; Vendor Specific */
        0xff,       /*  u8  if_bInterfaceSubClass; Vendor Specific */
        0xff,       /*  u8  if_bInterfaceProtocol; Vendor Specific */
        0x02,       /*  u8  if_iInterface; */

        /* Bulk-In endpoint */
        0x07,       /*  u8  ep_bLength; */
        0x05,       /*  u8  ep_bDescriptorType; Endpoint */
        0x81,       /*  u8  ep_bEndpointAddress; IN Endpoint 1 */
        0x02,       /*  u8  ep_bmAttributes; Bulk */
        0x40, 0x00, /*  u16 ep_wMaxPacketSize; */
        0x00,       /*  u8  ep_bInterval; */

        /* Bulk-Out endpoint */
        0x07,       /*  u8  ep_bLength; */
        0x05,       /*  u8  ep_bDescriptorType; Endpoint */
        0x02,       /*  u8  ep_bEndpointAddress; OUT Endpoint 2 */
        0x02,       /*  u8  ep_bmAttributes; Bulk */
        0x40, 0x00, /*  u16 ep_wMaxPacketSize; */
        0x00        /*  u8  ep_bInterval; */
};

static void usb_serial_reset(USBSerialState *s)
{
    /* TODO: Set flow control to none */
    s->event_chr = 0x0d;
    s->event_trigger = 0;
    s->recv_ptr = 0;
    s->recv_used = 0;
    /* TODO: purge in char driver */
}

static void usb_serial_handle_reset(USBDevice *dev)
{
    USBSerialState *s = (USBSerialState *)dev;

    DPRINTF("Reset\n");

    usb_serial_reset(s);
    /* TODO: Reset char device, send BREAK? */
}

static uint8_t usb_get_modem_lines(USBSerialState *s)
{
    int flags;
    uint8_t ret;

    if (qemu_chr_ioctl(s->cs, CHR_IOCTL_SERIAL_GET_TIOCM, &flags) == -ENOTSUP)
        return FTDI_CTS|FTDI_DSR|FTDI_RLSD;

    ret = 0;
    if (flags & CHR_TIOCM_CTS)
        ret |= FTDI_CTS;
    if (flags & CHR_TIOCM_DSR)
        ret |= FTDI_DSR;
    if (flags & CHR_TIOCM_RI)
        ret |= FTDI_RI;
    if (flags & CHR_TIOCM_CAR)
        ret |= FTDI_RLSD;

    return ret;
}

static int usb_serial_handle_control(USBDevice *dev, int request, int value,
                                  int index, int length, uint8_t *data)
{
    USBSerialState *s = (USBSerialState *)dev;
    int ret = 0;

    //DPRINTF("got control %x, value %x\n",request, value);
    switch (request) {
    case DeviceRequest | USB_REQ_GET_STATUS:
        data[0] = (0 << USB_DEVICE_SELF_POWERED) |
            (dev->remote_wakeup << USB_DEVICE_REMOTE_WAKEUP);
        data[1] = 0x00;
        ret = 2;
        break;
    case DeviceOutRequest | USB_REQ_CLEAR_FEATURE:
        if (value == USB_DEVICE_REMOTE_WAKEUP) {
            dev->remote_wakeup = 0;
        } else {
            goto fail;
        }
        ret = 0;
        break;
    case DeviceOutRequest | USB_REQ_SET_FEATURE:
        if (value == USB_DEVICE_REMOTE_WAKEUP) {
            dev->remote_wakeup = 1;
        } else {
            goto fail;
        }
        ret = 0;
        break;
    case DeviceOutRequest | USB_REQ_SET_ADDRESS:
        dev->addr = value;
        ret = 0;
        break;
    case DeviceRequest | USB_REQ_GET_DESCRIPTOR:
        switch(value >> 8) {
        case USB_DT_DEVICE:
            memcpy(data, qemu_serial_dev_descriptor,
                   sizeof(qemu_serial_dev_descriptor));
            data[8] = s->vendorid & 0xff;
            data[9] = ((s->vendorid) >> 8) & 0xff;
            data[10] = s->productid & 0xff;
            data[11] = ((s->productid) >> 8) & 0xff;
            ret = sizeof(qemu_serial_dev_descriptor);
            break;
        case USB_DT_CONFIG:
            memcpy(data, qemu_serial_config_descriptor,
                   sizeof(qemu_serial_config_descriptor));
            ret = sizeof(qemu_serial_config_descriptor);
            break;
        case USB_DT_STRING:
            switch(value & 0xff) {
            case 0:
                /* language ids */
                data[0] = 4;
                data[1] = 3;
                data[2] = 0x09;
                data[3] = 0x04;
                ret = 4;
                break;
            case 1:
                /* vendor description */
                ret = set_usb_string(data, "QEMU " QEMU_VERSION);
                break;
            case 2:
                /* product description */
                ret = set_usb_string(data, "QEMU USB SERIAL");
                break;
            case 3:
                /* serial number */
                ret = set_usb_string(data, "1");
                break;
            default:
                goto fail;
            }
            break;
        default:
            goto fail;
        }
        break;
    case DeviceRequest | USB_REQ_GET_CONFIGURATION:
        data[0] = 1;
        ret = 1;
        break;
    case DeviceOutRequest | USB_REQ_SET_CONFIGURATION:
        ret = 0;
        break;
    case DeviceRequest | USB_REQ_GET_INTERFACE:
        data[0] = 0;
        ret = 1;
        break;
    case InterfaceOutRequest | USB_REQ_SET_INTERFACE:
        ret = 0;
        break;
    case EndpointOutRequest | USB_REQ_CLEAR_FEATURE:
        ret = 0;
        break;

        /* Class specific requests.  */
    case DeviceOutVendor | FTDI_RESET:
        switch (value) {
        case FTDI_RESET_SIO:
            usb_serial_reset(s);
            break;
        case FTDI_RESET_RX:
            s->recv_ptr = 0;
            s->recv_used = 0;
            /* TODO: purge from char device */
            break;
        case FTDI_RESET_TX:
            /* TODO: purge from char device */
            break;
        }
        break;
    case DeviceOutVendor | FTDI_SET_MDM_CTRL:
    {
        static int flags;
        qemu_chr_ioctl(s->cs,CHR_IOCTL_SERIAL_GET_TIOCM, &flags);
        if (value & FTDI_SET_RTS) {
            if (value & FTDI_RTS)
                flags |= CHR_TIOCM_RTS;
            else
                flags &= ~CHR_TIOCM_RTS;
        }
        if (value & FTDI_SET_DTR) {
            if (value & FTDI_DTR)
                flags |= CHR_TIOCM_DTR;
            else
                flags &= ~CHR_TIOCM_DTR;
        }
        qemu_chr_ioctl(s->cs,CHR_IOCTL_SERIAL_SET_TIOCM, &flags);
        break;
    }
    case DeviceOutVendor | FTDI_SET_FLOW_CTRL:
        /* TODO: ioctl */
        break;
    case DeviceOutVendor | FTDI_SET_BAUD: {
        static const int subdivisors8[8] = { 0, 4, 2, 1, 3, 5, 6, 7 };
        int subdivisor8 = subdivisors8[((value & 0xc000) >> 14)
                                     | ((index & 1) << 2)];
        int divisor = value & 0x3fff;

        /* chip special cases */
        if (divisor == 1 && subdivisor8 == 0)
            subdivisor8 = 4;
        if (divisor == 0 && subdivisor8 == 0)
            divisor = 1;

        s->params.speed = (48000000 / 2) / (8 * divisor + subdivisor8);
        qemu_chr_ioctl(s->cs, CHR_IOCTL_SERIAL_SET_PARAMS, &s->params);
        break;
    }
    case DeviceOutVendor | FTDI_SET_DATA:
        switch (value & FTDI_PARITY) {
            case 0:
                s->params.parity = 'N';
                break;
            case FTDI_ODD:
                s->params.parity = 'O';
                break;
            case FTDI_EVEN:
                s->params.parity = 'E';
                break;
            default:
                DPRINTF("unsupported parity %d\n", value & FTDI_PARITY);
                goto fail;
        }
        switch (value & FTDI_STOP) {
            case FTDI_STOP1:
                s->params.stop_bits = 1;
                break;
            case FTDI_STOP2:
                s->params.stop_bits = 2;
                break;
            default:
                DPRINTF("unsupported stop bits %d\n", value & FTDI_STOP);
                goto fail;
        }
        qemu_chr_ioctl(s->cs, CHR_IOCTL_SERIAL_SET_PARAMS, &s->params);
        /* TODO: TX ON/OFF */
        break;
    case DeviceInVendor | FTDI_GET_MDM_ST:
        data[0] = usb_get_modem_lines(s) | 1;
        data[1] = 0;
        ret = 2;
        break;
    case DeviceOutVendor | FTDI_SET_EVENT_CHR:
        /* TODO: handle it */
        s->event_chr = value;
        break;
    case DeviceOutVendor | FTDI_SET_ERROR_CHR:
        /* TODO: handle it */
        s->error_chr = value;
        break;
    case DeviceOutVendor | FTDI_SET_LATENCY:
        s->latency = value;
        break;
    case DeviceInVendor | FTDI_GET_LATENCY:
        data[0] = s->latency;
        ret = 1;
        break;
    default:
    fail:
        DPRINTF("got unsupported/bogus control %x, value %x\n", request, value);
        ret = USB_RET_STALL;
        break;
    }
    return ret;
}

static int usb_serial_handle_data(USBDevice *dev, USBPacket *p)
{
    USBSerialState *s = (USBSerialState *)dev;
    int ret = 0;
    uint8_t devep = p->devep;
    uint8_t *data = p->data;
    int len = p->len;
    int first_len;

    switch (p->pid) {
    case USB_TOKEN_OUT:
        if (devep != 2)
            goto fail;
        qemu_chr_write(s->cs, data, len);
        break;

    case USB_TOKEN_IN:
        if (devep != 1)
            goto fail;
        first_len = RECV_BUF - s->recv_ptr;
        if (len <= 2) {
            ret = USB_RET_NAK;
            break;
        }
        *data++ = usb_get_modem_lines(s) | 1;
        /* We do not have the uart details */
        /* handle serial break */
        if (s->event_trigger && s->event_trigger & FTDI_BI) {
            s->event_trigger &= ~FTDI_BI;
            *data = FTDI_BI;
            ret = 2;
            break;
        } else {
            *data++ = 0;
        }
        len -= 2;
        if (len > s->recv_used)
            len = s->recv_used;
        if (!len) {
            ret = USB_RET_NAK;
            break;
        }
        if (first_len > len)
            first_len = len;
        memcpy(data, s->recv_buf + s->recv_ptr, first_len);
        if (len > first_len)
            memcpy(data + first_len, s->recv_buf, len - first_len);
        s->recv_used -= len;
        s->recv_ptr = (s->recv_ptr + len) % RECV_BUF;
        ret = len + 2;
        break;

    default:
        DPRINTF("Bad token\n");
    fail:
        ret = USB_RET_STALL;
        break;
    }

    return ret;
}

static void usb_serial_handle_destroy(USBDevice *dev)
{
    USBSerialState *s = (USBSerialState *)dev;

    qemu_chr_close(s->cs);
}

static int usb_serial_can_read(void *opaque)
{
    USBSerialState *s = opaque;
    return RECV_BUF - s->recv_used;
}

static void usb_serial_read(void *opaque, const uint8_t *buf, int size)
{
    USBSerialState *s = opaque;
    int first_size, start;

    /* room in the buffer? */
    if (size > (RECV_BUF - s->recv_used))
        size = RECV_BUF - s->recv_used;

    start = s->recv_ptr + s->recv_used;
    if (start < RECV_BUF) {
        /* copy data to end of buffer */
        first_size = RECV_BUF - start;
        if (first_size > size)
            first_size = size;

        memcpy(s->recv_buf + start, buf, first_size);

        /* wrap around to front if needed */
        if (size > first_size)
            memcpy(s->recv_buf, buf + first_size, size - first_size);
    } else {
        start -= RECV_BUF;
        memcpy(s->recv_buf + start, buf, size);
    }
    s->recv_used += size;
}

static void usb_serial_event(void *opaque, int event)
{
    USBSerialState *s = opaque;

    switch (event) {
        case CHR_EVENT_BREAK:
            s->event_trigger |= FTDI_BI;
            break;
        case CHR_EVENT_FOCUS:
            break;
        case CHR_EVENT_OPENED:
            usb_serial_reset(s);
            /* TODO: Reset USB port */
            break;
    }
}

static int usb_serial_initfn(USBDevice *dev)
{
    USBSerialState *s = DO_UPCAST(USBSerialState, dev, dev);
    s->dev.speed = USB_SPEED_FULL;

    if (!s->cs) {
        error_report("Property chardev is required");
        return -1;
    }

    qemu_chr_add_handlers(s->cs, usb_serial_can_read, usb_serial_read,
                          usb_serial_event, s);
    usb_serial_handle_reset(dev);
    return 0;
}

static USBDevice *usb_serial_init(const char *filename)
{
    USBDevice *dev;
    CharDriverState *cdrv;
    uint32_t vendorid = 0, productid = 0;
    char label[32];
    static int index;

    while (*filename && *filename != ':') {
        const char *p;
        char *e;
        if (strstart(filename, "vendorid=", &p)) {
            vendorid = strtol(p, &e, 16);
            if (e == p || (*e && *e != ',' && *e != ':')) {
                error_report("bogus vendor ID %s", p);
                return NULL;
            }
            filename = e;
        } else if (strstart(filename, "productid=", &p)) {
            productid = strtol(p, &e, 16);
            if (e == p || (*e && *e != ',' && *e != ':')) {
                error_report("bogus product ID %s", p);
                return NULL;
            }
            filename = e;
        } else {
            error_report("unrecognized serial USB option %s", filename);
            return NULL;
        }
        while(*filename == ',')
            filename++;
    }
    if (!*filename) {
        error_report("character device specification needed");
        return NULL;
    }
    filename++;

    snprintf(label, sizeof(label), "usbserial%d", index++);
    cdrv = qemu_chr_open(label, filename, NULL);
    if (!cdrv)
        return NULL;

    dev = usb_create(NULL /* FIXME */, "usb-serial");
    if (!dev) {
        return NULL;
    }
    qdev_prop_set_chr(&dev->qdev, "chardev", cdrv);
    if (vendorid)
        qdev_prop_set_uint16(&dev->qdev, "vendorid", vendorid);
    if (productid)
        qdev_prop_set_uint16(&dev->qdev, "productid", productid);
    qdev_init_nofail(&dev->qdev);

    return dev;
}

static USBDevice *usb_braille_init(const char *unused)
{
    USBDevice *dev;
    CharDriverState *cdrv;

    cdrv = qemu_chr_open("braille", "braille", NULL);
    if (!cdrv)
        return NULL;

    dev = usb_create(NULL /* FIXME */, "usb-braille");
    qdev_prop_set_chr(&dev->qdev, "chardev", cdrv);
    qdev_init_nofail(&dev->qdev);

    return dev;
}

static struct USBDeviceInfo serial_info = {
    .product_desc   = "QEMU USB Serial",
    .qdev.name      = "usb-serial",
    .qdev.size      = sizeof(USBSerialState),
    .init           = usb_serial_initfn,
    .handle_packet  = usb_generic_handle_packet,
    .handle_reset   = usb_serial_handle_reset,
    .handle_control = usb_serial_handle_control,
    .handle_data    = usb_serial_handle_data,
    .handle_destroy = usb_serial_handle_destroy,
    .usbdevice_name = "serial",
    .usbdevice_init = usb_serial_init,
    .qdev.props     = (Property[]) {
        DEFINE_PROP_CHR("chardev",     USBSerialState, cs),
        DEFINE_PROP_HEX32("vendorid",  USBSerialState, vendorid,  0x0403),
        DEFINE_PROP_HEX32("productid", USBSerialState, productid, 0x6001),
        DEFINE_PROP_END_OF_LIST(),
    },
};

static struct USBDeviceInfo braille_info = {
    .product_desc   = "QEMU USB Braille",
    .qdev.name      = "usb-braille",
    .qdev.size      = sizeof(USBSerialState),
    .init           = usb_serial_initfn,
    .handle_packet  = usb_generic_handle_packet,
    .handle_reset   = usb_serial_handle_reset,
    .handle_control = usb_serial_handle_control,
    .handle_data    = usb_serial_handle_data,
    .handle_destroy = usb_serial_handle_destroy,
    .usbdevice_name = "braille",
    .usbdevice_init = usb_braille_init,
    .qdev.props     = (Property[]) {
        DEFINE_PROP_CHR("chardev",     USBSerialState, cs),
        DEFINE_PROP_HEX32("vendorid",  USBSerialState, vendorid,  0x0403),
        DEFINE_PROP_HEX32("productid", USBSerialState, productid, 0xfe72),
        DEFINE_PROP_END_OF_LIST(),
    },
};

static void usb_serial_register_devices(void)
{
    usb_qdev_register(&serial_info);
    usb_qdev_register(&braille_info);
}
device_init(usb_serial_register_devices)
Commit	Line	Data
a7954218 AZ	1	/*
	2	* FTDI FT232BM Device emulation
	3	*
	4	* Copyright (c) 2006 CodeSourcery.
	5	* Copyright (c) 2008 Samuel Thibault <[email protected]>
	6	* Written by Paul Brook, reused for FTDI by Samuel Thibault
	7	*
	8	* This code is licenced under the LGPL.
	9	*/
	10
	11	#include "qemu-common.h"
2f792016	12	#include "qemu-error.h"
a7954218 AZ	13	#include "usb.h"
	14	#include "qemu-char.h"
	15
	16	//#define DEBUG_Serial
	17
	18	#ifdef DEBUG_Serial
001faf32 BS	19	#define DPRINTF(fmt, ...) \
001faf32 BS	20	do { printf("usb-serial: " fmt , ## __VA_ARGS__); } while (0)
a7954218	21	#else
001faf32	22	#define DPRINTF(fmt, ...) do {} while(0)
a7954218 AZ	23	#endif
	24
	25	#define RECV_BUF 384
a7954218 AZ	26
	27	/* Commands */
	28	#define FTDI_RESET 0
	29	#define FTDI_SET_MDM_CTRL 1
	30	#define FTDI_SET_FLOW_CTRL 2
	31	#define FTDI_SET_BAUD 3
	32	#define FTDI_SET_DATA 4
	33	#define FTDI_GET_MDM_ST 5
	34	#define FTDI_SET_EVENT_CHR 6
	35	#define FTDI_SET_ERROR_CHR 7
	36	#define FTDI_SET_LATENCY 9
	37	#define FTDI_GET_LATENCY 10
	38
	39	#define DeviceOutVendor ((USB_DIR_OUT\|USB_TYPE_VENDOR\|USB_RECIP_DEVICE)<<8)
	40	#define DeviceInVendor ((USB_DIR_IN \|USB_TYPE_VENDOR\|USB_RECIP_DEVICE)<<8)
	41
	42	/* RESET */
	43
	44	#define FTDI_RESET_SIO 0
	45	#define FTDI_RESET_RX 1
	46	#define FTDI_RESET_TX 2
	47
	48	/* SET_MDM_CTRL */
	49
a7954218	50	#define FTDI_DTR 1
abb8a139	51	#define FTDI_SET_DTR (FTDI_DTR << 8)
a7954218	52	#define FTDI_RTS 2
abb8a139	53	#define FTDI_SET_RTS (FTDI_RTS << 8)
a7954218 AZ	54
	55	/* SET_FLOW_CTRL */
	56
	57	#define FTDI_RTS_CTS_HS 1
	58	#define FTDI_DTR_DSR_HS 2
	59	#define FTDI_XON_XOFF_HS 4
	60
	61	/* SET_DATA */
	62
	63	#define FTDI_PARITY (0x7 << 8)
	64	#define FTDI_ODD (0x1 << 8)
	65	#define FTDI_EVEN (0x2 << 8)
	66	#define FTDI_MARK (0x3 << 8)
	67	#define FTDI_SPACE (0x4 << 8)
	68
	69	#define FTDI_STOP (0x3 << 11)
	70	#define FTDI_STOP1 (0x0 << 11)
	71	#define FTDI_STOP15 (0x1 << 11)
	72	#define FTDI_STOP2 (0x2 << 11)
	73
	74	/* GET_MDM_ST */
	75	/* TODO: should be sent every 40ms */
	76	#define FTDI_CTS (1<<4) // CTS line status
	77	#define FTDI_DSR (1<<5) // DSR line status
	78	#define FTDI_RI (1<<6) // RI line status
	79	#define FTDI_RLSD (1<<7) // Receive Line Signal Detect
	80
	81	/* Status */
	82
	83	#define FTDI_DR (1<<0) // Data Ready
	84	#define FTDI_OE (1<<1) // Overrun Err
	85	#define FTDI_PE (1<<2) // Parity Err
	86	#define FTDI_FE (1<<3) // Framing Err
	87	#define FTDI_BI (1<<4) // Break Interrupt
	88	#define FTDI_THRE (1<<5) // Transmitter Holding Register
	89	#define FTDI_TEMT (1<<6) // Transmitter Empty
	90	#define FTDI_FIFO (1<<7) // Error in FIFO
	91
	92	typedef struct {
	93	USBDevice dev;
2b0efdc3 GH	94	uint32_t vendorid;
2b0efdc3 GH	95	uint32_t productid;
a7954218	96	uint8_t recv_buf[RECV_BUF];
8109b9b6 AJ	97	uint16_t recv_ptr;
8109b9b6 AJ	98	uint16_t recv_used;
a7954218 AZ	99	uint8_t event_chr;
	100	uint8_t error_chr;
	101	uint8_t event_trigger;
a7954218 AZ	102	QEMUSerialSetParams params;
	103	int latency; /* ms */
	104	CharDriverState *cs;
	105	} USBSerialState;
	106
	107	static const uint8_t qemu_serial_dev_descriptor[] = {
	108	0x12, /* u8 bLength; */
	109	0x01, /* u8 bDescriptorType; Device */
	110	0x00, 0x02, /* u16 bcdUSB; v2.0 */
	111
	112	0x00, /* u8 bDeviceClass; */
	113	0x00, /* u8 bDeviceSubClass; */
	114	0x00, /* u8 bDeviceProtocol; [ low/full speeds only ] */
	115	0x08, /* u8 bMaxPacketSize0; 8 Bytes */
	116
	117	/* Vendor and product id are arbitrary. */
	118	0x03, 0x04, /* u16 idVendor; */
	119	0x00, 0xFF, /* u16 idProduct; */
	120	0x00, 0x04, /* u16 bcdDevice */
	121
	122	0x01, /* u8 iManufacturer; */
	123	0x02, /* u8 iProduct; */
	124	0x03, /* u8 iSerialNumber; */
	125	0x01 /* u8 bNumConfigurations; */
	126	};
	127
	128	static const uint8_t qemu_serial_config_descriptor[] = {
	129
	130	/* one configuration */
	131	0x09, /* u8 bLength; */
	132	0x02, /* u8 bDescriptorType; Configuration */
	133	0x20, 0x00, /* u16 wTotalLength; */
	134	0x01, /* u8 bNumInterfaces; (1) */
	135	0x01, /* u8 bConfigurationValue; */
	136	0x00, /* u8 iConfiguration; */
	137	0x80, /* u8 bmAttributes;
	138	Bit 7: must be set,
	139	6: Self-powered,
	140	5: Remote wakeup,
	141	4..0: resvd */
	142	100/2, /* u8 MaxPower; */
	143
	144	/* one interface */
	145	0x09, /* u8 if_bLength; */
	146	0x04, /* u8 if_bDescriptorType; Interface */
	147	0x00, /* u8 if_bInterfaceNumber; */
	148	0x00, /* u8 if_bAlternateSetting; */
	149	0x02, /* u8 if_bNumEndpoints; */
	150	0xff, /* u8 if_bInterfaceClass; Vendor Specific */
	151	0xff, /* u8 if_bInterfaceSubClass; Vendor Specific */
	152	0xff, /* u8 if_bInterfaceProtocol; Vendor Specific */
	153	0x02, /* u8 if_iInterface; */
	154
	155	/* Bulk-In endpoint */
	156	0x07, /* u8 ep_bLength; */
	157	0x05, /* u8 ep_bDescriptorType; Endpoint */
	158	0x81, /* u8 ep_bEndpointAddress; IN Endpoint 1 */
	159	0x02, /* u8 ep_bmAttributes; Bulk */
	160	0x40, 0x00, /* u16 ep_wMaxPacketSize; */
	161	0x00, /* u8 ep_bInterval; */
	162
	163	/* Bulk-Out endpoint */
	164	0x07, /* u8 ep_bLength; */
	165	0x05, /* u8 ep_bDescriptorType; Endpoint */
166	0x02, /* u8 ep_bEndpointAddress; OUT Endpoint 2 */
167	0x02, /* u8 ep_bmAttributes; Bulk */
168	0x40, 0x00, /* u16 ep_wMaxPacketSize; */
169	0x00 /* u8 ep_bInterval; */
170	};
171
172	static void usb_serial_reset(USBSerialState *s)
173	{
174	/* TODO: Set flow control to none */
175	s->event_chr = 0x0d;
176	s->event_trigger = 0;
177	s->recv_ptr = 0;
178	s->recv_used = 0;
179	/* TODO: purge in char driver */
a7954218 AZ	180	}
	181
	182	static void usb_serial_handle_reset(USBDevice *dev)
	183	{
	184	USBSerialState s = (USBSerialState )dev;
	185
	186	DPRINTF("Reset\n");
	187
	188	usb_serial_reset(s);
	189	/* TODO: Reset char device, send BREAK? */
	190	}
	191
abb8a139 AJ	192	static uint8_t usb_get_modem_lines(USBSerialState *s)
	193	{
	194	int flags;
	195	uint8_t ret;
	196
	197	if (qemu_chr_ioctl(s->cs, CHR_IOCTL_SERIAL_GET_TIOCM, &flags) == -ENOTSUP)
	198	return FTDI_CTS\|FTDI_DSR\|FTDI_RLSD;
	199
	200	ret = 0;
	201	if (flags & CHR_TIOCM_CTS)
	202	ret \|= FTDI_CTS;
	203	if (flags & CHR_TIOCM_DSR)
	204	ret \|= FTDI_DSR;
	205	if (flags & CHR_TIOCM_RI)
	206	ret \|= FTDI_RI;
	207	if (flags & CHR_TIOCM_CAR)
	208	ret \|= FTDI_RLSD;
	209
	210	return ret;
	211	}
	212
a7954218 AZ	213	static int usb_serial_handle_control(USBDevice *dev, int request, int value,
	214	int index, int length, uint8_t *data)
	215	{
	216	USBSerialState s = (USBSerialState )dev;
	217	int ret = 0;
	218
	219	//DPRINTF("got control %x, value %x\n",request, value);
	220	switch (request) {
	221	case DeviceRequest \| USB_REQ_GET_STATUS:
	222	data[0] = (0 << USB_DEVICE_SELF_POWERED) \|
	223	(dev->remote_wakeup << USB_DEVICE_REMOTE_WAKEUP);
	224	data[1] = 0x00;
	225	ret = 2;
	226	break;
	227	case DeviceOutRequest \| USB_REQ_CLEAR_FEATURE:
	228	if (value == USB_DEVICE_REMOTE_WAKEUP) {
	229	dev->remote_wakeup = 0;
	230	} else {
	231	goto fail;
	232	}
	233	ret = 0;
	234	break;
	235	case DeviceOutRequest \| USB_REQ_SET_FEATURE:
	236	if (value == USB_DEVICE_REMOTE_WAKEUP) {
	237	dev->remote_wakeup = 1;
	238	} else {
	239	goto fail;
	240	}
	241	ret = 0;
	242	break;
	243	case DeviceOutRequest \| USB_REQ_SET_ADDRESS:
	244	dev->addr = value;
	245	ret = 0;
	246	break;
	247	case DeviceRequest \| USB_REQ_GET_DESCRIPTOR:
	248	switch(value >> 8) {
	249	case USB_DT_DEVICE:
	250	memcpy(data, qemu_serial_dev_descriptor,
	251	sizeof(qemu_serial_dev_descriptor));
	252	data[8] = s->vendorid & 0xff;
	253	data[9] = ((s->vendorid) >> 8) & 0xff;
	254	data[10] = s->productid & 0xff;
	255	data[11] = ((s->productid) >> 8) & 0xff;
	256	ret = sizeof(qemu_serial_dev_descriptor);
	257	break;
	258	case USB_DT_CONFIG:
	259	memcpy(data, qemu_serial_config_descriptor,
	260	sizeof(qemu_serial_config_descriptor));
	261	ret = sizeof(qemu_serial_config_descriptor);
	262	break;
	263	case USB_DT_STRING:
	264	switch(value & 0xff) {
	265	case 0:
	266	/* language ids */
	267	data[0] = 4;
	268	data[1] = 3;
	269	data[2] = 0x09;
	270	data[3] = 0x04;
	271	ret = 4;
	272	break;
	273	case 1:
	274	/* vendor description */
	275	ret = set_usb_string(data, "QEMU " QEMU_VERSION);
	276	break;
277	case 2:
278	/* product description */
279	ret = set_usb_string(data, "QEMU USB SERIAL");
280	break;
281	case 3:
282	/* serial number */
283	ret = set_usb_string(data, "1");
284	break;
285	default:
286	goto fail;
287	}
288	break;
289	default:
290	goto fail;
291	}
292	break;
293	case DeviceRequest \| USB_REQ_GET_CONFIGURATION:
294	data[0] = 1;
295	ret = 1;
296	break;
297	case DeviceOutRequest \| USB_REQ_SET_CONFIGURATION:
298	ret = 0;
299	break;
300	case DeviceRequest \| USB_REQ_GET_INTERFACE:
301	data[0] = 0;
302	ret = 1;
303	break;
304	case InterfaceOutRequest \| USB_REQ_SET_INTERFACE:
305	ret = 0;
306	break;
307	case EndpointOutRequest \| USB_REQ_CLEAR_FEATURE:
308	ret = 0;
309	break;
310
311	/* Class specific requests. */
312	case DeviceOutVendor \| FTDI_RESET:
313	switch (value) {
314	case FTDI_RESET_SIO:
315	usb_serial_reset(s);
316	break;
317	case FTDI_RESET_RX:
318	s->recv_ptr = 0;
319	s->recv_used = 0;
320	/* TODO: purge from char device */
321	break;
322	case FTDI_RESET_TX:
323	/* TODO: purge from char device */
324	break;
325	}
326	break;
327	case DeviceOutVendor \| FTDI_SET_MDM_CTRL:
abb8a139 AJ	328	{
	329	static int flags;
	330	qemu_chr_ioctl(s->cs,CHR_IOCTL_SERIAL_GET_TIOCM, &flags);
	331	if (value & FTDI_SET_RTS) {
	332	if (value & FTDI_RTS)
	333	flags \|= CHR_TIOCM_RTS;
	334	else
	335	flags &= ~CHR_TIOCM_RTS;
	336	}
	337	if (value & FTDI_SET_DTR) {
	338	if (value & FTDI_DTR)
	339	flags \|= CHR_TIOCM_DTR;
	340	else
	341	flags &= ~CHR_TIOCM_DTR;
	342	}
	343	qemu_chr_ioctl(s->cs,CHR_IOCTL_SERIAL_SET_TIOCM, &flags);
a7954218	344	break;
abb8a139	345	}
a7954218 AZ	346	case DeviceOutVendor \| FTDI_SET_FLOW_CTRL:
	347	/* TODO: ioctl */
	348	break;
	349	case DeviceOutVendor \| FTDI_SET_BAUD: {
	350	static const int subdivisors8[8] = { 0, 4, 2, 1, 3, 5, 6, 7 };
	351	int subdivisor8 = subdivisors8[((value & 0xc000) >> 14)
	352	\| ((index & 1) << 2)];
	353	int divisor = value & 0x3fff;
	354
	355	/* chip special cases */
	356	if (divisor == 1 && subdivisor8 == 0)
	357	subdivisor8 = 4;
	358	if (divisor == 0 && subdivisor8 == 0)
	359	divisor = 1;
	360
	361	s->params.speed = (48000000 / 2) / (8 * divisor + subdivisor8);
	362	qemu_chr_ioctl(s->cs, CHR_IOCTL_SERIAL_SET_PARAMS, &s->params);
	363	break;
	364	}
	365	case DeviceOutVendor \| FTDI_SET_DATA:
	366	switch (value & FTDI_PARITY) {
	367	case 0:
	368	s->params.parity = 'N';
	369	break;
	370	case FTDI_ODD:
	371	s->params.parity = 'O';
	372	break;
	373	case FTDI_EVEN:
	374	s->params.parity = 'E';
	375	break;
	376	default:
	377	DPRINTF("unsupported parity %d\n", value & FTDI_PARITY);
	378	goto fail;
	379	}
	380	switch (value & FTDI_STOP) {
	381	case FTDI_STOP1:
	382	s->params.stop_bits = 1;
	383	break;
	384	case FTDI_STOP2:
	385	s->params.stop_bits = 2;
	386	break;
	387	default:
	388	DPRINTF("unsupported stop bits %d\n", value & FTDI_STOP);
	389	goto fail;
	390	}
	391	qemu_chr_ioctl(s->cs, CHR_IOCTL_SERIAL_SET_PARAMS, &s->params);
	392	/* TODO: TX ON/OFF */
	393	break;
	394	case DeviceInVendor \| FTDI_GET_MDM_ST:
abb8a139 AJ	395	data[0] = usb_get_modem_lines(s) \| 1;
	396	data[1] = 0;
	397	ret = 2;
a7954218 AZ	398	break;
	399	case DeviceOutVendor \| FTDI_SET_EVENT_CHR:
	400	/* TODO: handle it */
	401	s->event_chr = value;
	402	break;
	403	case DeviceOutVendor \| FTDI_SET_ERROR_CHR:
	404	/* TODO: handle it */
	405	s->error_chr = value;
	406	break;
	407	case DeviceOutVendor \| FTDI_SET_LATENCY:
	408	s->latency = value;
	409	break;
	410	case DeviceInVendor \| FTDI_GET_LATENCY:
	411	data[0] = s->latency;
	412	ret = 1;
	413	break;
	414	default:
	415	fail:
	416	DPRINTF("got unsupported/bogus control %x, value %x\n", request, value);
	417	ret = USB_RET_STALL;
	418	break;
	419	}
	420	return ret;
	421	}
	422
	423	static int usb_serial_handle_data(USBDevice dev, USBPacket p)
	424	{
	425	USBSerialState s = (USBSerialState )dev;
	426	int ret = 0;
	427	uint8_t devep = p->devep;
	428	uint8_t *data = p->data;
	429	int len = p->len;
	430	int first_len;
	431
	432	switch (p->pid) {
	433	case USB_TOKEN_OUT:
	434	if (devep != 2)
	435	goto fail;
	436	qemu_chr_write(s->cs, data, len);
	437	break;
	438
	439	case USB_TOKEN_IN:
	440	if (devep != 1)
	441	goto fail;
	442	first_len = RECV_BUF - s->recv_ptr;
	443	if (len <= 2) {
	444	ret = USB_RET_NAK;
	445	break;
	446	}
abb8a139 AJ	447	*data++ = usb_get_modem_lines(s) \| 1;
abb8a139 AJ	448	/* We do not have the uart details */
7e57f049 JW	449	/* handle serial break */
	450	if (s->event_trigger && s->event_trigger & FTDI_BI) {
	451	s->event_trigger &= ~FTDI_BI;
d4c4e6fd	452	*data = FTDI_BI;
7e57f049 JW	453	ret = 2;
	454	break;
	455	} else {
	456	*data++ = 0;
	457	}
a7954218 AZ	458	len -= 2;
	459	if (len > s->recv_used)
	460	len = s->recv_used;
	461	if (!len) {
	462	ret = USB_RET_NAK;
	463	break;
	464	}
	465	if (first_len > len)
	466	first_len = len;
	467	memcpy(data, s->recv_buf + s->recv_ptr, first_len);
	468	if (len > first_len)
	469	memcpy(data + first_len, s->recv_buf, len - first_len);
	470	s->recv_used -= len;
	471	s->recv_ptr = (s->recv_ptr + len) % RECV_BUF;
	472	ret = len + 2;
	473	break;
	474
	475	default:
	476	DPRINTF("Bad token\n");
	477	fail:
	478	ret = USB_RET_STALL;
	479	break;
	480	}
	481
	482	return ret;
	483	}
	484
	485	static void usb_serial_handle_destroy(USBDevice *dev)
	486	{
	487	USBSerialState s = (USBSerialState )dev;
	488
	489	qemu_chr_close(s->cs);
a7954218 AZ	490	}
a7954218 AZ	491
8fcd3692	492	static int usb_serial_can_read(void *opaque)
a7954218 AZ	493	{
	494	USBSerialState *s = opaque;
	495	return RECV_BUF - s->recv_used;
	496	}
	497
8fcd3692	498	static void usb_serial_read(void opaque, const uint8_t buf, int size)
a7954218 AZ	499	{
a7954218 AZ	500	USBSerialState *s = opaque;
4ab4183d DA	501	int first_size, start;
	502
	503	/* room in the buffer? */
	504	if (size > (RECV_BUF - s->recv_used))
	505	size = RECV_BUF - s->recv_used;
	506
	507	start = s->recv_ptr + s->recv_used;
	508	if (start < RECV_BUF) {
	509	/* copy data to end of buffer */
	510	first_size = RECV_BUF - start;
	511	if (first_size > size)
	512	first_size = size;
	513
	514	memcpy(s->recv_buf + start, buf, first_size);
	515
	516	/* wrap around to front if needed */
	517	if (size > first_size)
	518	memcpy(s->recv_buf, buf + first_size, size - first_size);
	519	} else {
	520	start -= RECV_BUF;
	521	memcpy(s->recv_buf + start, buf, size);
	522	}
a7954218 AZ	523	s->recv_used += size;
	524	}
	525
8fcd3692	526	static void usb_serial_event(void *opaque, int event)
a7954218 AZ	527	{
	528	USBSerialState *s = opaque;
	529
	530	switch (event) {
	531	case CHR_EVENT_BREAK:
7e57f049	532	s->event_trigger \|= FTDI_BI;
a7954218 AZ	533	break;
	534	case CHR_EVENT_FOCUS:
	535	break;
b6b8df56	536	case CHR_EVENT_OPENED:
a7954218 AZ	537	usb_serial_reset(s);
	538	/* TODO: Reset USB port */
	539	break;
	540	}
	541	}
	542
806b6024 GH	543	static int usb_serial_initfn(USBDevice *dev)
	544	{
	545	USBSerialState *s = DO_UPCAST(USBSerialState, dev, dev);
	546	s->dev.speed = USB_SPEED_FULL;
2b0efdc3	547
81bf96d3 MA	548	if (!s->cs) {
	549	error_report("Property chardev is required");
	550	return -1;
	551	}
	552
2b0efdc3 GH	553	qemu_chr_add_handlers(s->cs, usb_serial_can_read, usb_serial_read,
	554	usb_serial_event, s);
	555	usb_serial_handle_reset(dev);
806b6024 GH	556	return 0;
	557	}
	558
2b0efdc3	559	static USBDevice usb_serial_init(const char filename)
a7954218	560	{
806b6024	561	USBDevice *dev;
a7954218	562	CharDriverState *cdrv;
2b0efdc3	563	uint32_t vendorid = 0, productid = 0;
5ccfae10 AL	564	char label[32];
5ccfae10 AL	565	static int index;
a7954218 AZ	566
	567	while (filename && filename != ':') {
	568	const char *p;
	569	char *e;
	570	if (strstart(filename, "vendorid=", &p)) {
	571	vendorid = strtol(p, &e, 16);
	572	if (e == p \|\| (e && e != ',' && *e != ':')) {
1ecda02b	573	error_report("bogus vendor ID %s", p);
a7954218 AZ	574	return NULL;
	575	}
	576	filename = e;
	577	} else if (strstart(filename, "productid=", &p)) {
	578	productid = strtol(p, &e, 16);
	579	if (e == p \|\| (e && e != ',' && *e != ':')) {
1ecda02b	580	error_report("bogus product ID %s", p);
a7954218 AZ	581	return NULL;
	582	}
	583	filename = e;
	584	} else {
1ecda02b	585	error_report("unrecognized serial USB option %s", filename);
a7954218 AZ	586	return NULL;
	587	}
	588	while(*filename == ',')
	589	filename++;
	590	}
	591	if (!*filename) {
1ecda02b	592	error_report("character device specification needed");
a7954218 AZ	593	return NULL;
	594	}
	595	filename++;
a7954218	596
5ccfae10	597	snprintf(label, sizeof(label), "usbserial%d", index++);
ceecf1d1	598	cdrv = qemu_chr_open(label, filename, NULL);
a7954218	599	if (!cdrv)
806b6024	600	return NULL;
a7954218	601
556cd098	602	dev = usb_create(NULL /* FIXME */, "usb-serial");
d44168ff PB	603	if (!dev) {
	604	return NULL;
	605	}
2b0efdc3 GH	606	qdev_prop_set_chr(&dev->qdev, "chardev", cdrv);
	607	if (vendorid)
	608	qdev_prop_set_uint16(&dev->qdev, "vendorid", vendorid);
	609	if (productid)
	610	qdev_prop_set_uint16(&dev->qdev, "productid", productid);
beb6f0de	611	qdev_init_nofail(&dev->qdev);
a7954218	612
2b0efdc3 GH	613	return dev;
	614	}
	615
	616	static USBDevice usb_braille_init(const char unused)
	617	{
	618	USBDevice *dev;
	619	CharDriverState *cdrv;
	620
	621	cdrv = qemu_chr_open("braille", "braille", NULL);
	622	if (!cdrv)
	623	return NULL;
806b6024	624
556cd098	625	dev = usb_create(NULL /* FIXME */, "usb-braille");
2b0efdc3	626	qdev_prop_set_chr(&dev->qdev, "chardev", cdrv);
beb6f0de	627	qdev_init_nofail(&dev->qdev);
2b0efdc3 GH	628
2b0efdc3 GH	629	return dev;
a7954218	630	}
806b6024 GH	631
806b6024 GH	632	static struct USBDeviceInfo serial_info = {
06384698	633	.product_desc = "QEMU USB Serial",
556cd098	634	.qdev.name = "usb-serial",
2b0efdc3 GH	635	.qdev.size = sizeof(USBSerialState),
	636	.init = usb_serial_initfn,
	637	.handle_packet = usb_generic_handle_packet,
	638	.handle_reset = usb_serial_handle_reset,
	639	.handle_control = usb_serial_handle_control,
	640	.handle_data = usb_serial_handle_data,
	641	.handle_destroy = usb_serial_handle_destroy,
	642	.usbdevice_name = "serial",
	643	.usbdevice_init = usb_serial_init,
	644	.qdev.props = (Property[]) {
	645	DEFINE_PROP_CHR("chardev", USBSerialState, cs),
	646	DEFINE_PROP_HEX32("vendorid", USBSerialState, vendorid, 0x0403),
	647	DEFINE_PROP_HEX32("productid", USBSerialState, productid, 0x6001),
	648	DEFINE_PROP_END_OF_LIST(),
	649	},
	650	};
	651
	652	static struct USBDeviceInfo braille_info = {
06384698	653	.product_desc = "QEMU USB Braille",
556cd098	654	.qdev.name = "usb-braille",
806b6024 GH	655	.qdev.size = sizeof(USBSerialState),
	656	.init = usb_serial_initfn,
	657	.handle_packet = usb_generic_handle_packet,
	658	.handle_reset = usb_serial_handle_reset,
	659	.handle_control = usb_serial_handle_control,
	660	.handle_data = usb_serial_handle_data,
	661	.handle_destroy = usb_serial_handle_destroy,
2b0efdc3 GH	662	.usbdevice_name = "braille",
	663	.usbdevice_init = usb_braille_init,
	664	.qdev.props = (Property[]) {
	665	DEFINE_PROP_CHR("chardev", USBSerialState, cs),
	666	DEFINE_PROP_HEX32("vendorid", USBSerialState, vendorid, 0x0403),
	667	DEFINE_PROP_HEX32("productid", USBSerialState, productid, 0xfe72),
	668	DEFINE_PROP_END_OF_LIST(),
	669	},
806b6024 GH	670	};
	671
	672	static void usb_serial_register_devices(void)
	673	{
	674	usb_qdev_register(&serial_info);
2b0efdc3	675	usb_qdev_register(&braille_info);
806b6024 GH	676	}
806b6024 GH	677	device_init(usb_serial_register_devices)