diff options
Diffstat (limited to 'hw/usb-bt.c')
| -rw-r--r-- | hw/usb-bt.c | 647 |
1 files changed, 647 insertions, 0 deletions
diff --git a/hw/usb-bt.c b/hw/usb-bt.c new file mode 100644 index 0000000000..b9b3463c05 --- /dev/null +++ b/hw/usb-bt.c @@ -0,0 +1,647 @@ +/* + * QEMU Bluetooth HCI USB Transport Layer v1.0 + * + * Copyright (C) 2007 OpenMoko, Inc. + * Copyright (C) 2008 Andrzej Zaborowski <balrog@zabor.org> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 or + * (at your option) version 3 of the License. + * + * This program 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include "qemu-common.h" +#include "usb.h" +#include "net.h" +#include "bt.h" + +struct USBBtState { + USBDevice dev; + struct HCIInfo *hci; + + int altsetting; + int config; + +#define CFIFO_LEN_MASK 255 +#define DFIFO_LEN_MASK 4095 + struct usb_hci_in_fifo_s { + uint8_t data[(DFIFO_LEN_MASK + 1) * 2]; + struct { + uint8_t *data; + int len; + } fifo[CFIFO_LEN_MASK + 1]; + int dstart, dlen, dsize, start, len; + } evt, acl, sco; + + struct usb_hci_out_fifo_s { + uint8_t data[4096]; + int len; + } outcmd, outacl, outsco; +}; + +#define USB_EVT_EP 1 +#define USB_ACL_EP 2 +#define USB_SCO_EP 3 + +static const uint8_t qemu_bt_dev_descriptor[] = { + 0x12, /* u8 bLength; */ + USB_DT_DEVICE, /* u8 bDescriptorType; Device */ + 0x10, 0x01, /* u16 bcdUSB; v1.10 */ + + 0xe0, /* u8 bDeviceClass; Wireless */ + 0x01, /* u8 bDeviceSubClass; Radio Frequency */ + 0x01, /* u8 bDeviceProtocol; Bluetooth */ + 0x40, /* u8 bMaxPacketSize0; 64 Bytes */ + + 0x12, 0x0a, /* u16 idVendor; */ + 0x01, 0x00, /* u16 idProduct; Bluetooth Dongle (HCI mode) */ + 0x58, 0x19, /* u16 bcdDevice; (some devices have 0x48, 0x02) */ + + 0x00, /* u8 iManufacturer; */ + 0x00, /* u8 iProduct; */ + 0x00, /* u8 iSerialNumber; */ + 0x01, /* u8 bNumConfigurations; */ +}; + +static const uint8_t qemu_bt_config_descriptor[] = { + /* one configuration */ + 0x09, /* u8 bLength; */ + USB_DT_CONFIG, /* u8 bDescriptorType; */ + 0xb1, 0x00, /* u16 wTotalLength; */ + 0x02, /* u8 bNumInterfaces; (2) */ + 0x01, /* u8 bConfigurationValue; */ + 0x00, /* u8 iConfiguration; */ + 0xc0, /* u8 bmAttributes; + Bit 7: must be set, + 6: Self-powered, + 5: Remote wakeup, + 4..0: resvd */ + 0x00, /* u8 MaxPower; */ + + /* USB 1.1: + * USB 2.0, single TT organization (mandatory): + * one interface, protocol 0 + * + * USB 2.0, multiple TT organization (optional): + * two interfaces, protocols 1 (like single TT) + * and 2 (multiple TT mode) ... config is + * sometimes settable + * NOT IMPLEMENTED + */ + + /* interface one */ + 0x09, /* u8 if_bLength; */ + USB_DT_INTERFACE, /* u8 if_bDescriptorType; */ + 0x00, /* u8 if_bInterfaceNumber; */ + 0x00, /* u8 if_bAlternateSetting; */ + 0x03, /* u8 if_bNumEndpoints; */ + 0xe0, /* u8 if_bInterfaceClass; Wireless */ + 0x01, /* u8 if_bInterfaceSubClass; Radio Frequency */ + 0x01, /* u8 if_bInterfaceProtocol; Bluetooth */ + 0x00, /* u8 if_iInterface; */ + + /* endpoint one */ + 0x07, /* u8 ep_bLength; */ + USB_DT_ENDPOINT, /* u8 ep_bDescriptorType; */ + USB_DIR_IN | USB_EVT_EP, /* u8 ep_bEndpointAddress; */ + 0x03, /* u8 ep_bmAttributes; Interrupt */ + 0x10, 0x00, /* u16 ep_wMaxPacketSize; */ + 0x02, /* u8 ep_bInterval; */ + + /* endpoint two */ + 0x07, /* u8 ep_bLength; */ + USB_DT_ENDPOINT, /* u8 ep_bDescriptorType; */ + USB_DIR_OUT | USB_ACL_EP, /* u8 ep_bEndpointAddress; */ + 0x02, /* u8 ep_bmAttributes; Bulk */ + 0x40, 0x00, /* u16 ep_wMaxPacketSize; */ + 0x0a, /* u8 ep_bInterval; (255ms -- usb 2.0 spec) */ + + /* endpoint three */ + 0x07, /* u8 ep_bLength; */ + USB_DT_ENDPOINT, /* u8 ep_bDescriptorType; */ + USB_DIR_IN | USB_ACL_EP, /* u8 ep_bEndpointAddress; */ + 0x02, /* u8 ep_bmAttributes; Bulk */ + 0x40, 0x00, /* u16 ep_wMaxPacketSize; */ + 0x0a, /* u8 ep_bInterval; (255ms -- usb 2.0 spec) */ + + /* interface two setting one */ + 0x09, /* u8 if_bLength; */ + USB_DT_INTERFACE, /* u8 if_bDescriptorType; */ + 0x01, /* u8 if_bInterfaceNumber; */ + 0x00, /* u8 if_bAlternateSetting; */ + 0x02, /* u8 if_bNumEndpoints; */ + 0xe0, /* u8 if_bInterfaceClass; Wireless */ + 0x01, /* u8 if_bInterfaceSubClass; Radio Frequency */ + 0x01, /* u8 if_bInterfaceProtocol; Bluetooth */ + 0x00, /* u8 if_iInterface; */ + + /* endpoint one */ + 0x07, /* u8 ep_bLength; */ + USB_DT_ENDPOINT, /* u8 ep_bDescriptorType; */ + USB_DIR_OUT | USB_SCO_EP, /* u8 ep_bEndpointAddress; */ + 0x01, /* u8 ep_bmAttributes; Isochronous */ + 0x00, 0x00, /* u16 ep_wMaxPacketSize; */ + 0x01, /* u8 ep_bInterval; (255ms -- usb 2.0 spec) */ + + /* endpoint two */ + 0x07, /* u8 ep_bLength; */ + USB_DT_ENDPOINT, /* u8 ep_bDescriptorType; */ + USB_DIR_IN | USB_SCO_EP, /* u8 ep_bEndpointAddress; */ + 0x01, /* u8 ep_bmAttributes; Isochronous */ + 0x00, 0x00, /* u16 ep_wMaxPacketSize; */ + 0x01, /* u8 ep_bInterval; (255ms -- usb 2.0 spec) */ + + /* interface two setting two */ + 0x09, /* u8 if_bLength; */ + USB_DT_INTERFACE, /* u8 if_bDescriptorType; */ + 0x01, /* u8 if_bInterfaceNumber; */ + 0x01, /* u8 if_bAlternateSetting; */ + 0x02, /* u8 if_bNumEndpoints; */ + 0xe0, /* u8 if_bInterfaceClass; Wireless */ + 0x01, /* u8 if_bInterfaceSubClass; Radio Frequency */ + 0x01, /* u8 if_bInterfaceProtocol; Bluetooth */ + 0x00, /* u8 if_iInterface; */ + + /* endpoint one */ + 0x07, /* u8 ep_bLength; */ + USB_DT_ENDPOINT, /* u8 ep_bDescriptorType; */ + USB_DIR_OUT | USB_SCO_EP, /* u8 ep_bEndpointAddress; */ + 0x01, /* u8 ep_bmAttributes; Isochronous */ + 0x09, 0x00, /* u16 ep_wMaxPacketSize; */ + 0x01, /* u8 ep_bInterval; (255ms -- usb 2.0 spec) */ + + /* endpoint two */ + 0x07, /* u8 ep_bLength; */ + USB_DT_ENDPOINT, /* u8 ep_bDescriptorType; */ + USB_DIR_IN | USB_SCO_EP, /* u8 ep_bEndpointAddress; */ + 0x01, /* u8 ep_bmAttributes; Isochronous */ + 0x09, 0x00, /* u16 ep_wMaxPacketSize; */ + 0x01, /* u8 ep_bInterval; (255ms -- usb 2.0 spec) */ + + /* interface two setting three */ + 0x09, /* u8 if_bLength; */ + USB_DT_INTERFACE, /* u8 if_bDescriptorType; */ + 0x01, /* u8 if_bInterfaceNumber; */ + 0x02, /* u8 if_bAlternateSetting; */ + 0x02, /* u8 if_bNumEndpoints; */ + 0xe0, /* u8 if_bInterfaceClass; Wireless */ + 0x01, /* u8 if_bInterfaceSubClass; Radio Frequency */ + 0x01, /* u8 if_bInterfaceProtocol; Bluetooth */ + 0x00, /* u8 if_iInterface; */ + + /* endpoint one */ + 0x07, /* u8 ep_bLength; */ + USB_DT_ENDPOINT, /* u8 ep_bDescriptorType; */ + USB_DIR_OUT | USB_SCO_EP, /* u8 ep_bEndpointAddress; */ + 0x01, /* u8 ep_bmAttributes; Isochronous */ + 0x11, 0x00, /* u16 ep_wMaxPacketSize; */ + 0x01, /* u8 ep_bInterval; (255ms -- usb 2.0 spec) */ + + /* endpoint two */ + 0x07, /* u8 ep_bLength; */ + USB_DT_ENDPOINT, /* u8 ep_bDescriptorType; */ + USB_DIR_IN | USB_SCO_EP, /* u8 ep_bEndpointAddress; */ + 0x01, /* u8 ep_bmAttributes; Isochronous */ + 0x11, 0x00, /* u16 ep_wMaxPacketSize; */ + 0x01, /* u8 ep_bInterval; (255ms -- usb 2.0 spec) */ + + /* interface two setting four */ + 0x09, /* u8 if_bLength; */ + USB_DT_INTERFACE, /* u8 if_bDescriptorType; */ + 0x01, /* u8 if_bInterfaceNumber; */ + 0x03, /* u8 if_bAlternateSetting; */ + 0x02, /* u8 if_bNumEndpoints; */ + 0xe0, /* u8 if_bInterfaceClass; Wireless */ + 0x01, /* u8 if_bInterfaceSubClass; Radio Frequency */ + 0x01, /* u8 if_bInterfaceProtocol; Bluetooth */ + 0x00, /* u8 if_iInterface; */ + + /* endpoint one */ + 0x07, /* u8 ep_bLength; */ + USB_DT_ENDPOINT, /* u8 ep_bDescriptorType; */ + USB_DIR_OUT | USB_SCO_EP, /* u8 ep_bEndpointAddress; */ + 0x01, /* u8 ep_bmAttributes; Isochronous */ + 0x19, 0x00, /* u16 ep_wMaxPacketSize; */ + 0x01, /* u8 ep_bInterval; (255ms -- usb 2.0 spec) */ + + /* endpoint two */ + 0x07, /* u8 ep_bLength; */ + USB_DT_ENDPOINT, /* u8 ep_bDescriptorType; */ + USB_DIR_IN | USB_SCO_EP, /* u8 ep_bEndpointAddress; */ + 0x01, /* u8 ep_bmAttributes; Isochronous */ + 0x19, 0x00, /* u16 ep_wMaxPacketSize; */ + 0x01, /* u8 ep_bInterval; (255ms -- usb 2.0 spec) */ + + /* interface two setting five */ + 0x09, /* u8 if_bLength; */ + USB_DT_INTERFACE, /* u8 if_bDescriptorType; */ + 0x01, /* u8 if_bInterfaceNumber; */ + 0x04, /* u8 if_bAlternateSetting; */ + 0x02, /* u8 if_bNumEndpoints; */ + 0xe0, /* u8 if_bInterfaceClass; Wireless */ + 0x01, /* u8 if_bInterfaceSubClass; Radio Frequency */ + 0x01, /* u8 if_bInterfaceProtocol; Bluetooth */ + 0x00, /* u8 if_iInterface; */ + + /* endpoint one */ + 0x07, /* u8 ep_bLength; */ + USB_DT_ENDPOINT, /* u8 ep_bDescriptorType; */ + USB_DIR_OUT | USB_SCO_EP, /* u8 ep_bEndpointAddress; */ + 0x01, /* u8 ep_bmAttributes; Isochronous */ + 0x21, 0x00, /* u16 ep_wMaxPacketSize; */ + 0x01, /* u8 ep_bInterval; (255ms -- usb 2.0 spec) */ + + /* endpoint two */ + 0x07, /* u8 ep_bLength; */ + USB_DT_ENDPOINT, /* u8 ep_bDescriptorType; */ + USB_DIR_IN | USB_SCO_EP, /* u8 ep_bEndpointAddress; */ + 0x01, /* u8 ep_bmAttributes; Isochronous */ + 0x21, 0x00, /* u16 ep_wMaxPacketSize; */ + 0x01, /* u8 ep_bInterval; (255ms -- usb 2.0 spec) */ + + /* interface two setting six */ + 0x09, /* u8 if_bLength; */ + USB_DT_INTERFACE, /* u8 if_bDescriptorType; */ + 0x01, /* u8 if_bInterfaceNumber; */ + 0x05, /* u8 if_bAlternateSetting; */ + 0x02, /* u8 if_bNumEndpoints; */ + 0xe0, /* u8 if_bInterfaceClass; Wireless */ + 0x01, /* u8 if_bInterfaceSubClass; Radio Frequency */ + 0x01, /* u8 if_bInterfaceProtocol; Bluetooth */ + 0x00, /* u8 if_iInterface; */ + + /* endpoint one */ + 0x07, /* u8 ep_bLength; */ + USB_DT_ENDPOINT, /* u8 ep_bDescriptorType; */ + USB_DIR_OUT | USB_SCO_EP, /* u8 ep_bEndpointAddress; */ + 0x01, /* u8 ep_bmAttributes; Isochronous */ + 0x31, 0x00, /* u16 ep_wMaxPacketSize; */ + 0x01, /* u8 ep_bInterval; (255ms -- usb 2.0 spec) */ + + /* endpoint two */ + 0x07, /* u8 ep_bLength; */ + USB_DT_ENDPOINT, /* u8 ep_bDescriptorType; */ + USB_DIR_IN | USB_SCO_EP, /* u8 ep_bEndpointAddress; */ + 0x01, /* u8 ep_bmAttributes; Isochronous */ + 0x31, 0x00, /* u16 ep_wMaxPacketSize; */ + 0x01, /* u8 ep_bInterval; (255ms -- usb 2.0 spec) */ + + /* If implemented, the DFU interface descriptor goes here with no + * endpoints or alternative settings. */ +}; + +static void usb_bt_fifo_reset(struct usb_hci_in_fifo_s *fifo) +{ + fifo->dstart = 0; + fifo->dlen = 0; + fifo->dsize = DFIFO_LEN_MASK + 1; + fifo->start = 0; + fifo->len = 0; +} + +static void usb_bt_fifo_enqueue(struct usb_hci_in_fifo_s *fifo, + const uint8_t *data, int len) +{ + int off = fifo->dstart + fifo->dlen; + uint8_t *buf; + + fifo->dlen += len; + if (off <= DFIFO_LEN_MASK) { + if (off + len > DFIFO_LEN_MASK + 1 && + (fifo->dsize = off + len) > (DFIFO_LEN_MASK + 1) * 2) { + fprintf(stderr, "%s: can't alloc %i bytes\n", __FUNCTION__, len); + exit(-1); + } + buf = fifo->data + off; + } else { + if (fifo->dlen > fifo->dsize) { + fprintf(stderr, "%s: can't alloc %i bytes\n", __FUNCTION__, len); + exit(-1); + } + buf = fifo->data + off - fifo->dsize; + } + + off = (fifo->start + fifo->len ++) & CFIFO_LEN_MASK; + fifo->fifo[off].data = memcpy(buf, data, len); + fifo->fifo[off].len = len; +} + +static inline int usb_bt_fifo_dequeue(struct usb_hci_in_fifo_s *fifo, + USBPacket *p) +{ + int len; + + if (likely(!fifo->len)) + return USB_RET_STALL; + + len = MIN(p->len, fifo->fifo[fifo->start].len); + memcpy(p->data, fifo->fifo[fifo->start].data, len); + if (len == p->len) { + fifo->fifo[fifo->start].len -= len; + fifo->fifo[fifo->start].data += len; + } else { + fifo->start ++; + fifo->start &= CFIFO_LEN_MASK; + fifo->len --; + } + + fifo->dstart += len; + fifo->dlen -= len; + if (fifo->dstart >= fifo->dsize) { + fifo->dstart = 0; + fifo->dsize = DFIFO_LEN_MASK + 1; + } + + return len; +} + +static void inline usb_bt_fifo_out_enqueue(struct USBBtState *s, + struct usb_hci_out_fifo_s *fifo, + void (*send)(struct HCIInfo *, const uint8_t *, int), + int (*complete)(const uint8_t *, int), + const uint8_t *data, int len) +{ + if (fifo->len) { + memcpy(fifo->data + fifo->len, data, len); + fifo->len += len; + if (complete(fifo->data, fifo->len)) { + send(s->hci, fifo->data, fifo->len); + fifo->len = 0; + } + } else if (complete(data, len)) + send(s->hci, data, len); + else { + memcpy(fifo->data, data, len); + fifo->len = len; + } + + /* TODO: do we need to loop? */ +} + +static int usb_bt_hci_cmd_complete(const uint8_t *data, int len) +{ + len -= HCI_COMMAND_HDR_SIZE; + return len >= 0 && + len >= ((struct hci_command_hdr *) data)->plen; +} + +static int usb_bt_hci_acl_complete(const uint8_t *data, int len) +{ + len -= HCI_ACL_HDR_SIZE; + return len >= 0 && + len >= le16_to_cpu(((struct hci_acl_hdr *) data)->dlen); +} + +static int usb_bt_hci_sco_complete(const uint8_t *data, int len) +{ + len -= HCI_SCO_HDR_SIZE; + return len >= 0 && + len >= ((struct hci_sco_hdr *) data)->dlen; +} + +static void usb_bt_handle_reset(USBDevice *dev) +{ + struct USBBtState *s = (struct USBBtState *) dev->opaque; + + usb_bt_fifo_reset(&s->evt); + usb_bt_fifo_reset(&s->acl); + usb_bt_fifo_reset(&s->sco); + s->outcmd.len = 0; + s->outacl.len = 0; + s->outsco.len = 0; + s->altsetting = 0; +} + +static int usb_bt_handle_control(USBDevice *dev, int request, int value, + int index, int length, uint8_t *data) +{ + struct USBBtState *s = (struct USBBtState *) dev->opaque; + int ret = 0; + + switch (request) { + case DeviceRequest | USB_REQ_GET_STATUS: + case InterfaceRequest | USB_REQ_GET_STATUS: + case EndpointRequest | USB_REQ_GET_STATUS: + data[0] = (1 << USB_DEVICE_SELF_POWERED) | + (dev->remote_wakeup << USB_DEVICE_REMOTE_WAKEUP); + data[1] = 0x00; + ret = 2; + break; + case DeviceOutRequest | USB_REQ_CLEAR_FEATURE: + case InterfaceOutRequest | USB_REQ_CLEAR_FEATURE: + case EndpointOutRequest | 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: + case InterfaceOutRequest | USB_REQ_SET_FEATURE: + case EndpointOutRequest | 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: + ret = sizeof(qemu_bt_dev_descriptor); + memcpy(data, qemu_bt_dev_descriptor, ret); + break; + case USB_DT_CONFIG: + ret = sizeof(qemu_bt_config_descriptor); + memcpy(data, qemu_bt_config_descriptor, ret); + 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; + default: + goto fail; + } + break; + default: + goto fail; + } + break; + case DeviceRequest | USB_REQ_GET_CONFIGURATION: + data[0] = qemu_bt_config_descriptor[0x5]; + ret = 1; + s->config = 0; + break; + case DeviceOutRequest | USB_REQ_SET_CONFIGURATION: + ret = 0; + if (value != qemu_bt_config_descriptor[0x5] && value != 0) { + printf("%s: Wrong SET_CONFIGURATION request (%i)\n", + __FUNCTION__, value); + goto fail; + } + s->config = 1; + usb_bt_fifo_reset(&s->evt); + usb_bt_fifo_reset(&s->acl); + usb_bt_fifo_reset(&s->sco); + break; + case InterfaceRequest | USB_REQ_GET_INTERFACE: + if (value != 0 || (index & ~1) || length != 1) + goto fail; + if (index == 1) + data[0] = s->altsetting; + else + data[0] = 0; + ret = 1; + break; + case InterfaceOutRequest | USB_REQ_SET_INTERFACE: + if ((index & ~1) || length != 0 || + (index == 1 && (value < 0 || value > 4)) || + (index == 0 && value != 0)) { + printf("%s: Wrong SET_INTERFACE request (%i, %i)\n", + __FUNCTION__, index, value); + goto fail; + } + s->altsetting = value; + ret = 0; + break; + case ((USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_DEVICE) << 8): + if (s->config) + usb_bt_fifo_out_enqueue(s, &s->outcmd, s->hci->cmd_send, + usb_bt_hci_cmd_complete, data, length); + break; + default: + fail: + ret = USB_RET_STALL; + break; + } + return ret; +} + +static int usb_bt_handle_data(USBDevice *dev, USBPacket *p) +{ + struct USBBtState *s = (struct USBBtState *) dev->opaque; + int ret = 0; + + if (!s->config) + goto fail; + + switch (p->pid) { + case USB_TOKEN_IN: + switch (p->devep & 0xf) { + case USB_EVT_EP: + ret = usb_bt_fifo_dequeue(&s->evt, p); + break; + + case USB_ACL_EP: + ret = usb_bt_fifo_dequeue(&s->acl, p); + break; + + case USB_SCO_EP: + ret = usb_bt_fifo_dequeue(&s->sco, p); + break; + + default: + goto fail; + } + break; + + case USB_TOKEN_OUT: + switch (p->devep & 0xf) { + case USB_ACL_EP: + usb_bt_fifo_out_enqueue(s, &s->outacl, s->hci->acl_send, + usb_bt_hci_acl_complete, p->data, p->len); + break; + + case USB_SCO_EP: + usb_bt_fifo_out_enqueue(s, &s->outsco, s->hci->sco_send, + usb_bt_hci_sco_complete, p->data, p->len); + break; + + default: + goto fail; + } + break; + + default: + fail: + ret = USB_RET_STALL; + break; + } + + return ret; +} + +static void usb_bt_out_hci_packet_event(void *opaque, + const uint8_t *data, int len) +{ + struct USBBtState *s = (struct USBBtState *) opaque; + + usb_bt_fifo_enqueue(&s->evt, data, len); +} + +static void usb_bt_out_hci_packet_acl(void *opaque, + const uint8_t *data, int len) +{ + struct USBBtState *s = (struct USBBtState *) opaque; + + usb_bt_fifo_enqueue(&s->acl, data, len); +} + +static void usb_bt_handle_destroy(USBDevice *dev) +{ + struct USBBtState *s = (struct USBBtState *) dev->opaque; + + s->hci->opaque = 0; + s->hci->evt_recv = 0; + s->hci->acl_recv = 0; + qemu_free(s); +} + +USBDevice *usb_bt_init(HCIInfo *hci) +{ + struct USBBtState *s; + + s = qemu_mallocz(sizeof(struct USBBtState)); + if (!s) + return NULL; + s->dev.opaque = s; + s->dev.speed = USB_SPEED_HIGH; + s->dev.handle_packet = usb_generic_handle_packet; + pstrcpy(s->dev.devname, sizeof(s->dev.devname), "QEMU BT dongle"); + + s->dev.handle_reset = usb_bt_handle_reset; + s->dev.handle_control = usb_bt_handle_control; + s->dev.handle_data = usb_bt_handle_data; + s->dev.handle_destroy = usb_bt_handle_destroy; + + s->hci = hci; + s->hci->opaque = s; + s->hci->evt_recv = usb_bt_out_hci_packet_event; + s->hci->acl_recv = usb_bt_out_hci_packet_acl; + + usb_bt_handle_reset(&s->dev); + + return &s->dev; +} |