646 lines
20 KiB
C
646 lines
20 KiB
C
/*
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* QEMU Bluetooth HCI USB Transport Layer v1.0
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*
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* Copyright (C) 2007 OpenMoko, Inc.
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* Copyright (C) 2008 Andrzej Zaborowski <balrog@zabor.org>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 or
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* (at your option) version 3 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#include "qemu-common.h"
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#include "usb.h"
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#include "net.h"
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#include "bt.h"
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struct USBBtState {
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USBDevice dev;
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struct HCIInfo *hci;
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int altsetting;
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int config;
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#define CFIFO_LEN_MASK 255
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#define DFIFO_LEN_MASK 4095
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struct usb_hci_in_fifo_s {
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uint8_t data[(DFIFO_LEN_MASK + 1) * 2];
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struct {
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uint8_t *data;
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int len;
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} fifo[CFIFO_LEN_MASK + 1];
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int dstart, dlen, dsize, start, len;
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} evt, acl, sco;
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struct usb_hci_out_fifo_s {
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uint8_t data[4096];
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int len;
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} outcmd, outacl, outsco;
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};
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#define USB_EVT_EP 1
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#define USB_ACL_EP 2
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#define USB_SCO_EP 3
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static const uint8_t qemu_bt_dev_descriptor[] = {
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0x12, /* u8 bLength; */
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USB_DT_DEVICE, /* u8 bDescriptorType; Device */
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0x10, 0x01, /* u16 bcdUSB; v1.10 */
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0xe0, /* u8 bDeviceClass; Wireless */
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0x01, /* u8 bDeviceSubClass; Radio Frequency */
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0x01, /* u8 bDeviceProtocol; Bluetooth */
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0x40, /* u8 bMaxPacketSize0; 64 Bytes */
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0x12, 0x0a, /* u16 idVendor; */
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0x01, 0x00, /* u16 idProduct; Bluetooth Dongle (HCI mode) */
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0x58, 0x19, /* u16 bcdDevice; (some devices have 0x48, 0x02) */
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0x00, /* u8 iManufacturer; */
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0x00, /* u8 iProduct; */
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0x00, /* u8 iSerialNumber; */
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0x01, /* u8 bNumConfigurations; */
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};
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static const uint8_t qemu_bt_config_descriptor[] = {
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/* one configuration */
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0x09, /* u8 bLength; */
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USB_DT_CONFIG, /* u8 bDescriptorType; */
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0xb1, 0x00, /* u16 wTotalLength; */
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0x02, /* u8 bNumInterfaces; (2) */
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0x01, /* u8 bConfigurationValue; */
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0x00, /* u8 iConfiguration; */
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0xc0, /* u8 bmAttributes;
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Bit 7: must be set,
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6: Self-powered,
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5: Remote wakeup,
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4..0: resvd */
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0x00, /* u8 MaxPower; */
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/* USB 1.1:
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* USB 2.0, single TT organization (mandatory):
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* one interface, protocol 0
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*
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* USB 2.0, multiple TT organization (optional):
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* two interfaces, protocols 1 (like single TT)
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* and 2 (multiple TT mode) ... config is
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* sometimes settable
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* NOT IMPLEMENTED
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*/
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/* interface one */
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0x09, /* u8 if_bLength; */
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USB_DT_INTERFACE, /* u8 if_bDescriptorType; */
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0x00, /* u8 if_bInterfaceNumber; */
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0x00, /* u8 if_bAlternateSetting; */
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0x03, /* u8 if_bNumEndpoints; */
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0xe0, /* u8 if_bInterfaceClass; Wireless */
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0x01, /* u8 if_bInterfaceSubClass; Radio Frequency */
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0x01, /* u8 if_bInterfaceProtocol; Bluetooth */
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0x00, /* u8 if_iInterface; */
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/* endpoint one */
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0x07, /* u8 ep_bLength; */
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USB_DT_ENDPOINT, /* u8 ep_bDescriptorType; */
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USB_DIR_IN | USB_EVT_EP, /* u8 ep_bEndpointAddress; */
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0x03, /* u8 ep_bmAttributes; Interrupt */
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0x10, 0x00, /* u16 ep_wMaxPacketSize; */
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0x02, /* u8 ep_bInterval; */
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/* endpoint two */
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0x07, /* u8 ep_bLength; */
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USB_DT_ENDPOINT, /* u8 ep_bDescriptorType; */
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USB_DIR_OUT | USB_ACL_EP, /* u8 ep_bEndpointAddress; */
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0x02, /* u8 ep_bmAttributes; Bulk */
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0x40, 0x00, /* u16 ep_wMaxPacketSize; */
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0x0a, /* u8 ep_bInterval; (255ms -- usb 2.0 spec) */
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/* endpoint three */
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0x07, /* u8 ep_bLength; */
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USB_DT_ENDPOINT, /* u8 ep_bDescriptorType; */
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USB_DIR_IN | USB_ACL_EP, /* u8 ep_bEndpointAddress; */
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0x02, /* u8 ep_bmAttributes; Bulk */
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0x40, 0x00, /* u16 ep_wMaxPacketSize; */
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0x0a, /* u8 ep_bInterval; (255ms -- usb 2.0 spec) */
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/* interface two setting one */
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0x09, /* u8 if_bLength; */
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USB_DT_INTERFACE, /* u8 if_bDescriptorType; */
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0x01, /* u8 if_bInterfaceNumber; */
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0x00, /* u8 if_bAlternateSetting; */
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0x02, /* u8 if_bNumEndpoints; */
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0xe0, /* u8 if_bInterfaceClass; Wireless */
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0x01, /* u8 if_bInterfaceSubClass; Radio Frequency */
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0x01, /* u8 if_bInterfaceProtocol; Bluetooth */
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0x00, /* u8 if_iInterface; */
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/* endpoint one */
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0x07, /* u8 ep_bLength; */
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USB_DT_ENDPOINT, /* u8 ep_bDescriptorType; */
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USB_DIR_OUT | USB_SCO_EP, /* u8 ep_bEndpointAddress; */
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0x01, /* u8 ep_bmAttributes; Isochronous */
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0x00, 0x00, /* u16 ep_wMaxPacketSize; */
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0x01, /* u8 ep_bInterval; (255ms -- usb 2.0 spec) */
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/* endpoint two */
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0x07, /* u8 ep_bLength; */
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USB_DT_ENDPOINT, /* u8 ep_bDescriptorType; */
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USB_DIR_IN | USB_SCO_EP, /* u8 ep_bEndpointAddress; */
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0x01, /* u8 ep_bmAttributes; Isochronous */
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0x00, 0x00, /* u16 ep_wMaxPacketSize; */
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0x01, /* u8 ep_bInterval; (255ms -- usb 2.0 spec) */
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/* interface two setting two */
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0x09, /* u8 if_bLength; */
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USB_DT_INTERFACE, /* u8 if_bDescriptorType; */
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0x01, /* u8 if_bInterfaceNumber; */
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0x01, /* u8 if_bAlternateSetting; */
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0x02, /* u8 if_bNumEndpoints; */
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0xe0, /* u8 if_bInterfaceClass; Wireless */
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0x01, /* u8 if_bInterfaceSubClass; Radio Frequency */
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0x01, /* u8 if_bInterfaceProtocol; Bluetooth */
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0x00, /* u8 if_iInterface; */
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/* endpoint one */
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0x07, /* u8 ep_bLength; */
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USB_DT_ENDPOINT, /* u8 ep_bDescriptorType; */
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USB_DIR_OUT | USB_SCO_EP, /* u8 ep_bEndpointAddress; */
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0x01, /* u8 ep_bmAttributes; Isochronous */
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0x09, 0x00, /* u16 ep_wMaxPacketSize; */
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0x01, /* u8 ep_bInterval; (255ms -- usb 2.0 spec) */
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/* endpoint two */
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0x07, /* u8 ep_bLength; */
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USB_DT_ENDPOINT, /* u8 ep_bDescriptorType; */
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USB_DIR_IN | USB_SCO_EP, /* u8 ep_bEndpointAddress; */
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0x01, /* u8 ep_bmAttributes; Isochronous */
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0x09, 0x00, /* u16 ep_wMaxPacketSize; */
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0x01, /* u8 ep_bInterval; (255ms -- usb 2.0 spec) */
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/* interface two setting three */
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0x09, /* u8 if_bLength; */
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USB_DT_INTERFACE, /* u8 if_bDescriptorType; */
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0x01, /* u8 if_bInterfaceNumber; */
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0x02, /* u8 if_bAlternateSetting; */
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0x02, /* u8 if_bNumEndpoints; */
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0xe0, /* u8 if_bInterfaceClass; Wireless */
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0x01, /* u8 if_bInterfaceSubClass; Radio Frequency */
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0x01, /* u8 if_bInterfaceProtocol; Bluetooth */
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0x00, /* u8 if_iInterface; */
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/* endpoint one */
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0x07, /* u8 ep_bLength; */
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USB_DT_ENDPOINT, /* u8 ep_bDescriptorType; */
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USB_DIR_OUT | USB_SCO_EP, /* u8 ep_bEndpointAddress; */
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0x01, /* u8 ep_bmAttributes; Isochronous */
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0x11, 0x00, /* u16 ep_wMaxPacketSize; */
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0x01, /* u8 ep_bInterval; (255ms -- usb 2.0 spec) */
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/* endpoint two */
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0x07, /* u8 ep_bLength; */
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USB_DT_ENDPOINT, /* u8 ep_bDescriptorType; */
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USB_DIR_IN | USB_SCO_EP, /* u8 ep_bEndpointAddress; */
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0x01, /* u8 ep_bmAttributes; Isochronous */
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0x11, 0x00, /* u16 ep_wMaxPacketSize; */
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0x01, /* u8 ep_bInterval; (255ms -- usb 2.0 spec) */
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/* interface two setting four */
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0x09, /* u8 if_bLength; */
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USB_DT_INTERFACE, /* u8 if_bDescriptorType; */
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0x01, /* u8 if_bInterfaceNumber; */
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0x03, /* u8 if_bAlternateSetting; */
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0x02, /* u8 if_bNumEndpoints; */
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0xe0, /* u8 if_bInterfaceClass; Wireless */
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0x01, /* u8 if_bInterfaceSubClass; Radio Frequency */
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0x01, /* u8 if_bInterfaceProtocol; Bluetooth */
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0x00, /* u8 if_iInterface; */
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/* endpoint one */
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0x07, /* u8 ep_bLength; */
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USB_DT_ENDPOINT, /* u8 ep_bDescriptorType; */
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USB_DIR_OUT | USB_SCO_EP, /* u8 ep_bEndpointAddress; */
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0x01, /* u8 ep_bmAttributes; Isochronous */
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0x19, 0x00, /* u16 ep_wMaxPacketSize; */
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0x01, /* u8 ep_bInterval; (255ms -- usb 2.0 spec) */
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/* endpoint two */
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0x07, /* u8 ep_bLength; */
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USB_DT_ENDPOINT, /* u8 ep_bDescriptorType; */
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USB_DIR_IN | USB_SCO_EP, /* u8 ep_bEndpointAddress; */
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0x01, /* u8 ep_bmAttributes; Isochronous */
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0x19, 0x00, /* u16 ep_wMaxPacketSize; */
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0x01, /* u8 ep_bInterval; (255ms -- usb 2.0 spec) */
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/* interface two setting five */
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0x09, /* u8 if_bLength; */
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USB_DT_INTERFACE, /* u8 if_bDescriptorType; */
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0x01, /* u8 if_bInterfaceNumber; */
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0x04, /* u8 if_bAlternateSetting; */
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0x02, /* u8 if_bNumEndpoints; */
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0xe0, /* u8 if_bInterfaceClass; Wireless */
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0x01, /* u8 if_bInterfaceSubClass; Radio Frequency */
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0x01, /* u8 if_bInterfaceProtocol; Bluetooth */
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0x00, /* u8 if_iInterface; */
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/* endpoint one */
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0x07, /* u8 ep_bLength; */
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USB_DT_ENDPOINT, /* u8 ep_bDescriptorType; */
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USB_DIR_OUT | USB_SCO_EP, /* u8 ep_bEndpointAddress; */
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0x01, /* u8 ep_bmAttributes; Isochronous */
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0x21, 0x00, /* u16 ep_wMaxPacketSize; */
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0x01, /* u8 ep_bInterval; (255ms -- usb 2.0 spec) */
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/* endpoint two */
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0x07, /* u8 ep_bLength; */
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USB_DT_ENDPOINT, /* u8 ep_bDescriptorType; */
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USB_DIR_IN | USB_SCO_EP, /* u8 ep_bEndpointAddress; */
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0x01, /* u8 ep_bmAttributes; Isochronous */
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0x21, 0x00, /* u16 ep_wMaxPacketSize; */
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0x01, /* u8 ep_bInterval; (255ms -- usb 2.0 spec) */
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/* interface two setting six */
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0x09, /* u8 if_bLength; */
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USB_DT_INTERFACE, /* u8 if_bDescriptorType; */
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0x01, /* u8 if_bInterfaceNumber; */
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0x05, /* u8 if_bAlternateSetting; */
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0x02, /* u8 if_bNumEndpoints; */
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0xe0, /* u8 if_bInterfaceClass; Wireless */
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0x01, /* u8 if_bInterfaceSubClass; Radio Frequency */
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0x01, /* u8 if_bInterfaceProtocol; Bluetooth */
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0x00, /* u8 if_iInterface; */
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/* endpoint one */
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0x07, /* u8 ep_bLength; */
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USB_DT_ENDPOINT, /* u8 ep_bDescriptorType; */
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USB_DIR_OUT | USB_SCO_EP, /* u8 ep_bEndpointAddress; */
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0x01, /* u8 ep_bmAttributes; Isochronous */
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0x31, 0x00, /* u16 ep_wMaxPacketSize; */
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0x01, /* u8 ep_bInterval; (255ms -- usb 2.0 spec) */
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/* endpoint two */
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0x07, /* u8 ep_bLength; */
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USB_DT_ENDPOINT, /* u8 ep_bDescriptorType; */
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USB_DIR_IN | USB_SCO_EP, /* u8 ep_bEndpointAddress; */
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0x01, /* u8 ep_bmAttributes; Isochronous */
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0x31, 0x00, /* u16 ep_wMaxPacketSize; */
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0x01, /* u8 ep_bInterval; (255ms -- usb 2.0 spec) */
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/* If implemented, the DFU interface descriptor goes here with no
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* endpoints or alternative settings. */
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};
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static void usb_bt_fifo_reset(struct usb_hci_in_fifo_s *fifo)
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{
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fifo->dstart = 0;
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fifo->dlen = 0;
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fifo->dsize = DFIFO_LEN_MASK + 1;
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fifo->start = 0;
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fifo->len = 0;
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}
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static void usb_bt_fifo_enqueue(struct usb_hci_in_fifo_s *fifo,
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const uint8_t *data, int len)
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{
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int off = fifo->dstart + fifo->dlen;
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uint8_t *buf;
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fifo->dlen += len;
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if (off <= DFIFO_LEN_MASK) {
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if (off + len > DFIFO_LEN_MASK + 1 &&
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(fifo->dsize = off + len) > (DFIFO_LEN_MASK + 1) * 2) {
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fprintf(stderr, "%s: can't alloc %i bytes\n", __FUNCTION__, len);
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exit(-1);
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}
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buf = fifo->data + off;
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} else {
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if (fifo->dlen > fifo->dsize) {
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fprintf(stderr, "%s: can't alloc %i bytes\n", __FUNCTION__, len);
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exit(-1);
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}
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buf = fifo->data + off - fifo->dsize;
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}
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off = (fifo->start + fifo->len ++) & CFIFO_LEN_MASK;
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fifo->fifo[off].data = memcpy(buf, data, len);
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fifo->fifo[off].len = len;
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}
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static inline int usb_bt_fifo_dequeue(struct usb_hci_in_fifo_s *fifo,
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USBPacket *p)
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{
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int len;
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if (likely(!fifo->len))
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return USB_RET_STALL;
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len = MIN(p->len, fifo->fifo[fifo->start].len);
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memcpy(p->data, fifo->fifo[fifo->start].data, len);
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if (len == p->len) {
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fifo->fifo[fifo->start].len -= len;
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fifo->fifo[fifo->start].data += len;
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} else {
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fifo->start ++;
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fifo->start &= CFIFO_LEN_MASK;
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fifo->len --;
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}
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fifo->dstart += len;
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fifo->dlen -= len;
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if (fifo->dstart >= fifo->dsize) {
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fifo->dstart = 0;
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fifo->dsize = DFIFO_LEN_MASK + 1;
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}
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return len;
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}
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static void inline usb_bt_fifo_out_enqueue(struct USBBtState *s,
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struct usb_hci_out_fifo_s *fifo,
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void (*send)(struct HCIInfo *, const uint8_t *, int),
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int (*complete)(const uint8_t *, int),
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const uint8_t *data, int len)
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{
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if (fifo->len) {
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memcpy(fifo->data + fifo->len, data, len);
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fifo->len += len;
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if (complete(fifo->data, fifo->len)) {
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send(s->hci, fifo->data, fifo->len);
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fifo->len = 0;
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}
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} else if (complete(data, len))
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send(s->hci, data, len);
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else {
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memcpy(fifo->data, data, len);
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fifo->len = len;
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}
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/* TODO: do we need to loop? */
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}
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static int usb_bt_hci_cmd_complete(const uint8_t *data, int len)
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{
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len -= HCI_COMMAND_HDR_SIZE;
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return len >= 0 &&
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len >= ((struct hci_command_hdr *) data)->plen;
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}
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static int usb_bt_hci_acl_complete(const uint8_t *data, int len)
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{
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len -= HCI_ACL_HDR_SIZE;
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return len >= 0 &&
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len >= le16_to_cpu(((struct hci_acl_hdr *) data)->dlen);
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}
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static int usb_bt_hci_sco_complete(const uint8_t *data, int len)
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{
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len -= HCI_SCO_HDR_SIZE;
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return len >= 0 &&
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len >= ((struct hci_sco_hdr *) data)->dlen;
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}
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static void usb_bt_handle_reset(USBDevice *dev)
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{
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struct USBBtState *s = (struct USBBtState *) dev->opaque;
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usb_bt_fifo_reset(&s->evt);
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usb_bt_fifo_reset(&s->acl);
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usb_bt_fifo_reset(&s->sco);
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s->outcmd.len = 0;
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s->outacl.len = 0;
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s->outsco.len = 0;
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s->altsetting = 0;
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}
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static int usb_bt_handle_control(USBDevice *dev, int request, int value,
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int index, int length, uint8_t *data)
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{
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struct USBBtState *s = (struct USBBtState *) dev->opaque;
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int ret = 0;
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switch (request) {
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case DeviceRequest | USB_REQ_GET_STATUS:
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case InterfaceRequest | USB_REQ_GET_STATUS:
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case EndpointRequest | USB_REQ_GET_STATUS:
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data[0] = (1 << USB_DEVICE_SELF_POWERED) |
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(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 = NULL;
|
|
s->hci->evt_recv = NULL;
|
|
s->hci->acl_recv = NULL;
|
|
qemu_free(s);
|
|
}
|
|
|
|
USBDevice *usb_bt_init(HCIInfo *hci)
|
|
{
|
|
struct USBBtState *s;
|
|
|
|
if (!hci)
|
|
return NULL;
|
|
s = qemu_mallocz(sizeof(struct USBBtState));
|
|
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;
|
|
}
|