u132-hcd.c

host usb 主设备程序 支持sd卡 mouse keyboard 的最单单的驱动程序 gcc编译

                                ring->number, endp, urb, address,
                                endp->usb_endp, 0x3,
                                u132_hcd_configure_empty_sent);
                        if (retval == 0) {
                        } else
                                u132_hcd_giveback_urb(u132, endp, urb, retval);
                        return;
                } else if (condition_code == TD_CC_STALL) {
                        up(&u132->scheduler_lock);
                        dev_warn(&u132->platform_dev->dev, "giving back SETUP I"
                                "NPUT STALL urb %p\n", urb);
                        u132_hcd_giveback_urb(u132, endp, urb,
                                cc_to_error[condition_code]);
                        return;
                } else {
                        up(&u132->scheduler_lock);
                        dev_err(&u132->platform_dev->dev, "giving back SETUP IN"
                                "PUT %s urb %p\n", cc_to_text[condition_code],
                                urb);
                        u132_hcd_giveback_urb(u132, endp, urb,
                                cc_to_error[condition_code]);
                        return;
                }
        } else {
                dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p statu"
                        "s=%d\n", urb, urb->status);
                up(&u132->scheduler_lock);
                u132_hcd_giveback_urb(u132, endp, urb, urb->status);
                return;
        }
}

static void u132_hcd_configure_empty_recv(void *data, struct urb *urb, u8 *buf,
        int len, int toggle_bits, int error_count, int condition_code,
        int repeat_number, int halted, int skipped, int actual, int non_null)
{
        struct u132_endp *endp = data;
        struct u132 *u132 = endp->u132;
        down(&u132->scheduler_lock);
        if (u132->going > 1) {
                dev_err(&u132->platform_dev->dev, "device has been removed %d\n"
                        , u132->going);
                up(&u132->scheduler_lock);
                u132_hcd_forget_urb(u132, endp, urb, -ENODEV);
                return;
        } else if (endp->dequeueing) {
                endp->dequeueing = 0;
                up(&u132->scheduler_lock);
                u132_hcd_giveback_urb(u132, endp, urb, -EINTR);
                return;
        } else if (u132->going > 0) {
                dev_err(&u132->platform_dev->dev, "device is being removed urb="
                        "%p status=%d\n", urb, urb->status);
                up(&u132->scheduler_lock);
                u132_hcd_giveback_urb(u132, endp, urb, -ENODEV);
                return;
        } else if (urb->status == -EINPROGRESS) {
                up(&u132->scheduler_lock);
                u132_hcd_giveback_urb(u132, endp, urb, 0);
                return;
        } else {
                dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p statu"
                        "s=%d\n", urb, urb->status);
                up(&u132->scheduler_lock);
                u132_hcd_giveback_urb(u132, endp, urb, urb->status);
                return;
        }
}

static void u132_hcd_configure_setup_sent(void *data, struct urb *urb, u8 *buf,
        int len, int toggle_bits, int error_count, int condition_code,
        int repeat_number, int halted, int skipped, int actual, int non_null)
{
        struct u132_endp *endp = data;
        struct u132 *u132 = endp->u132;
        u8 address = u132->addr[endp->usb_addr].address;
        down(&u132->scheduler_lock);
        if (u132->going > 1) {
                dev_err(&u132->platform_dev->dev, "device has been removed %d\n"
                        , u132->going);
                up(&u132->scheduler_lock);
                u132_hcd_forget_urb(u132, endp, urb, -ENODEV);
                return;
        } else if (endp->dequeueing) {
                endp->dequeueing = 0;
                up(&u132->scheduler_lock);
                u132_hcd_giveback_urb(u132, endp, urb, -EINTR);
                return;
        } else if (u132->going > 0) {
                dev_err(&u132->platform_dev->dev, "device is being removed urb="
                        "%p status=%d\n", urb, urb->status);
                up(&u132->scheduler_lock);
                u132_hcd_giveback_urb(u132, endp, urb, -ENODEV);
                return;
        } else if (urb->status == -EINPROGRESS) {
                if (usb_pipein(urb->pipe)) {
                        int retval;
                        struct u132_ring *ring = endp->ring;
                        up(&u132->scheduler_lock);
                        retval = usb_ftdi_elan_edset_input(u132->platform_dev,
                                ring->number, endp, urb, address,
                                endp->usb_endp, 0,
                                u132_hcd_configure_input_recv);
                        if (retval == 0) {
                        } else
                                u132_hcd_giveback_urb(u132, endp, urb, retval);
                        return;
                } else {
                        int retval;
                        struct u132_ring *ring = endp->ring;
                        up(&u132->scheduler_lock);
                        retval = usb_ftdi_elan_edset_input(u132->platform_dev,
                                ring->number, endp, urb, address,
                                endp->usb_endp, 0,
                                u132_hcd_configure_empty_recv);
                        if (retval == 0) {
                        } else
                                u132_hcd_giveback_urb(u132, endp, urb, retval);
                        return;
                }
        } else {
                dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p statu"
                        "s=%d\n", urb, urb->status);
                up(&u132->scheduler_lock);
                u132_hcd_giveback_urb(u132, endp, urb, urb->status);
                return;
        }
}

static void u132_hcd_enumeration_empty_recv(void *data, struct urb *urb,
        u8 *buf, int len, int toggle_bits, int error_count, int condition_code,
        int repeat_number, int halted, int skipped, int actual, int non_null)
{
        struct u132_endp *endp = data;
        struct u132 *u132 = endp->u132;
        u8 address = u132->addr[endp->usb_addr].address;
        struct u132_udev *udev = &u132->udev[address];
        down(&u132->scheduler_lock);
        if (u132->going > 1) {
                dev_err(&u132->platform_dev->dev, "device has been removed %d\n"
                        , u132->going);
                up(&u132->scheduler_lock);
                u132_hcd_forget_urb(u132, endp, urb, -ENODEV);
                return;
        } else if (endp->dequeueing) {
                endp->dequeueing = 0;
                up(&u132->scheduler_lock);
                u132_hcd_giveback_urb(u132, endp, urb, -EINTR);
                return;
        } else if (u132->going > 0) {
                dev_err(&u132->platform_dev->dev, "device is being removed urb="
                        "%p status=%d\n", urb, urb->status);
                up(&u132->scheduler_lock);
                u132_hcd_giveback_urb(u132, endp, urb, -ENODEV);
                return;
        } else if (urb->status == -EINPROGRESS) {
                u132->addr[0].address = 0;
                endp->usb_addr = udev->usb_addr;
                up(&u132->scheduler_lock);
                u132_hcd_giveback_urb(u132, endp, urb, 0);
                return;
        } else {
                dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p statu"
                        "s=%d\n", urb, urb->status);
                up(&u132->scheduler_lock);
                u132_hcd_giveback_urb(u132, endp, urb, urb->status);
                return;
        }
}

static void u132_hcd_enumeration_address_sent(void *data, struct urb *urb,
        u8 *buf, int len, int toggle_bits, int error_count, int condition_code,
        int repeat_number, int halted, int skipped, int actual, int non_null)
{
        struct u132_endp *endp = data;
        struct u132 *u132 = endp->u132;
        down(&u132->scheduler_lock);
        if (u132->going > 1) {
                dev_err(&u132->platform_dev->dev, "device has been removed %d\n"
                        , u132->going);
                up(&u132->scheduler_lock);
                u132_hcd_forget_urb(u132, endp, urb, -ENODEV);
                return;
        } else if (endp->dequeueing) {
                endp->dequeueing = 0;
                up(&u132->scheduler_lock);
                u132_hcd_giveback_urb(u132, endp, urb, -EINTR);
                return;
        } else if (u132->going > 0) {
                dev_err(&u132->platform_dev->dev, "device is being removed urb="
                        "%p status=%d\n", urb, urb->status);
                up(&u132->scheduler_lock);
                u132_hcd_giveback_urb(u132, endp, urb, -ENODEV);
                return;
        } else if (urb->status == -EINPROGRESS) {
                int retval;
                struct u132_ring *ring = endp->ring;
                up(&u132->scheduler_lock);
                retval = usb_ftdi_elan_edset_input(u132->platform_dev,
                        ring->number, endp, urb, 0, endp->usb_endp, 0,
                        u132_hcd_enumeration_empty_recv);
                if (retval == 0) {
                } else
                        u132_hcd_giveback_urb(u132, endp, urb, retval);
                return;
        } else {
                dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p statu"
                        "s=%d\n", urb, urb->status);
                up(&u132->scheduler_lock);
                u132_hcd_giveback_urb(u132, endp, urb, urb->status);
                return;
        }
}

static void u132_hcd_initial_empty_sent(void *data, struct urb *urb, u8 *buf,
        int len, int toggle_bits, int error_count, int condition_code,
        int repeat_number, int halted, int skipped, int actual, int non_null)
{
        struct u132_endp *endp = data;
        struct u132 *u132 = endp->u132;
        down(&u132->scheduler_lock);
        if (u132->going > 1) {
                dev_err(&u132->platform_dev->dev, "device has been removed %d\n"
                        , u132->going);
                up(&u132->scheduler_lock);
                u132_hcd_forget_urb(u132, endp, urb, -ENODEV);
                return;
        } else if (endp->dequeueing) {
                endp->dequeueing = 0;
                up(&u132->scheduler_lock);
                u132_hcd_giveback_urb(u132, endp, urb, -EINTR);
                return;
        } else if (u132->going > 0) {
                dev_err(&u132->platform_dev->dev, "device is being removed urb="
                        "%p status=%d\n", urb, urb->status);
                up(&u132->scheduler_lock);
                u132_hcd_giveback_urb(u132, endp, urb, -ENODEV);
                return;
        } else if (urb->status == -EINPROGRESS) {
                up(&u132->scheduler_lock);
                u132_hcd_giveback_urb(u132, endp, urb, 0);
                return;
        } else {
                dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p statu"
                        "s=%d\n", urb, urb->status);
                up(&u132->scheduler_lock);
                u132_hcd_giveback_urb(u132, endp, urb, urb->status);
                return;
        }
}

static void u132_hcd_initial_input_recv(void *data, struct urb *urb, u8 *buf,
        int len, int toggle_bits, int error_count, int condition_code,
        int repeat_number, int halted, int skipped, int actual, int non_null)
{
        struct u132_endp *endp = data;
        struct u132 *u132 = endp->u132;
        u8 address = u132->addr[endp->usb_addr].address;
        down(&u132->scheduler_lock);
        if (u132->going > 1) {
                dev_err(&u132->platform_dev->dev, "device has been removed %d\n"
                        , u132->going);
                up(&u132->scheduler_lock);
                u132_hcd_forget_urb(u132, endp, urb, -ENODEV);
                return;
        } else if (endp->dequeueing) {
                endp->dequeueing = 0;
                up(&u132->scheduler_lock);
                u132_hcd_giveback_urb(u132, endp, urb, -EINTR);
                return;
        } else if (u132->going > 0) {
                dev_err(&u132->platform_dev->dev, "device is being removed urb="
                        "%p status=%d\n", urb, urb->status);
                up(&u132->scheduler_lock);
                u132_hcd_giveback_urb(u132, endp, urb, -ENODEV);
                return;
        } else if (urb->status == -EINPROGRESS) {
                int retval;
                struct u132_ring *ring = endp->ring;
                u8 *u = urb->transfer_buffer;
                u8 *b = buf;
                int L = len;
                while (L-- > 0) {
                        *u++ = *b++;
                }
                urb->actual_length = len;
                up(&u132->scheduler_lock);
                retval = usb_ftdi_elan_edset_empty(u132->platform_dev,
                        ring->number, endp, urb, address, endp->usb_endp, 0x3,
                        u132_hcd_initial_empty_sent);
                if (retval == 0) {
                } else
                        u132_hcd_giveback_urb(u132, endp, urb, retval);
                return;
        } else {
                dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p statu"
                        "s=%d\n", urb, urb->status);
                up(&u132->scheduler_lock);
                u132_hcd_giveback_urb(u132, endp, urb, urb->status);
                return;
        }
}

static void u132_hcd_initial_setup_sent(void *data, struct urb *urb, u8 *buf,
        int len, int toggle_bits, int error_count, int condition_code,
        int repeat_number, int halted, int skipped, int actual, int non_null)
{
        struct u132_endp *endp = data;
        struct u132 *u132 = endp->u132;
        u8 address = u132->addr[endp->usb_addr].address;
        down(&u132->scheduler_lock);
        if (u132->going > 1) {
                dev_err(&u132->platform_dev->dev, "device has been removed %d\n"
                        , u132->going);
                up(&u132->scheduler_lock);
                u132_hcd_forget_urb(u132, endp, urb, -ENODEV);
                return;
        } else if (endp->dequeueing) {
                endp->dequeueing = 0;