root / hw / usb-bt.c @ f6dc18df
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/*
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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; */ |
118 |
|
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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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|
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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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|
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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) */ |
153 |
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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) */ |
207 |
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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) */ |
215 |
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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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|
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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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|
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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) */ |
242 |
|
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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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|
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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) */ |
261 |
|
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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) */ |
269 |
|
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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; */ |
274 |
0x05, /* u8 if_bAlternateSetting; */ |
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0x02, /* u8 if_bNumEndpoints; */ |
276 |
0xe0, /* u8 if_bInterfaceClass; Wireless */ |
277 |
0x01, /* u8 if_bInterfaceSubClass; Radio Frequency */ |
278 |
0x01, /* u8 if_bInterfaceProtocol; Bluetooth */ |
279 |
0x00, /* u8 if_iInterface; */ |
280 |
|
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/* endpoint one */
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0x07, /* u8 ep_bLength; */ |
283 |
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 */ |
286 |
0x31, 0x00, /* u16 ep_wMaxPacketSize; */ |
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0x01, /* u8 ep_bInterval; (255ms -- usb 2.0 spec) */ |
288 |
|
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/* endpoint two */
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0x07, /* u8 ep_bLength; */ |
291 |
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; */ |
295 |
0x01, /* u8 ep_bInterval; (255ms -- usb 2.0 spec) */ |
296 |
|
297 |
/* If implemented, the DFU interface descriptor goes here with no
|
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* endpoints or alternative settings. */
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}; |
300 |
|
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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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} |
309 |
|
310 |
static void usb_bt_fifo_enqueue(struct usb_hci_in_fifo_s *fifo, |
311 |
const uint8_t *data, int len) |
312 |
{ |
313 |
int off = fifo->dstart + fifo->dlen;
|
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uint8_t *buf; |
315 |
|
316 |
fifo->dlen += len; |
317 |
if (off <= DFIFO_LEN_MASK) {
|
318 |
if (off + len > DFIFO_LEN_MASK + 1 && |
319 |
(fifo->dsize = off + len) > (DFIFO_LEN_MASK + 1) * 2) { |
320 |
fprintf(stderr, "%s: can't alloc %i bytes\n", __FUNCTION__, len);
|
321 |
exit(-1);
|
322 |
} |
323 |
buf = fifo->data + off; |
324 |
} else {
|
325 |
if (fifo->dlen > fifo->dsize) {
|
326 |
fprintf(stderr, "%s: can't alloc %i bytes\n", __FUNCTION__, len);
|
327 |
exit(-1);
|
328 |
} |
329 |
buf = fifo->data + off - fifo->dsize; |
330 |
} |
331 |
|
332 |
off = (fifo->start + fifo->len ++) & CFIFO_LEN_MASK; |
333 |
fifo->fifo[off].data = memcpy(buf, data, len); |
334 |
fifo->fifo[off].len = len; |
335 |
} |
336 |
|
337 |
static inline int usb_bt_fifo_dequeue(struct usb_hci_in_fifo_s *fifo, |
338 |
USBPacket *p) |
339 |
{ |
340 |
int len;
|
341 |
|
342 |
if (likely(!fifo->len))
|
343 |
return USB_RET_STALL;
|
344 |
|
345 |
len = MIN(p->len, fifo->fifo[fifo->start].len); |
346 |
memcpy(p->data, fifo->fifo[fifo->start].data, len); |
347 |
if (len == p->len) {
|
348 |
fifo->fifo[fifo->start].len -= len; |
349 |
fifo->fifo[fifo->start].data += len; |
350 |
} else {
|
351 |
fifo->start ++; |
352 |
fifo->start &= CFIFO_LEN_MASK; |
353 |
fifo->len --; |
354 |
} |
355 |
|
356 |
fifo->dstart += len; |
357 |
fifo->dlen -= len; |
358 |
if (fifo->dstart >= fifo->dsize) {
|
359 |
fifo->dstart = 0;
|
360 |
fifo->dsize = DFIFO_LEN_MASK + 1;
|
361 |
} |
362 |
|
363 |
return len;
|
364 |
} |
365 |
|
366 |
static inline void usb_bt_fifo_out_enqueue(struct USBBtState *s, |
367 |
struct usb_hci_out_fifo_s *fifo,
|
368 |
void (*send)(struct HCIInfo *, const uint8_t *, int), |
369 |
int (*complete)(const uint8_t *, int), |
370 |
const uint8_t *data, int len) |
371 |
{ |
372 |
if (fifo->len) {
|
373 |
memcpy(fifo->data + fifo->len, data, len); |
374 |
fifo->len += len; |
375 |
if (complete(fifo->data, fifo->len)) {
|
376 |
send(s->hci, fifo->data, fifo->len); |
377 |
fifo->len = 0;
|
378 |
} |
379 |
} else if (complete(data, len)) |
380 |
send(s->hci, data, len); |
381 |
else {
|
382 |
memcpy(fifo->data, data, len); |
383 |
fifo->len = len; |
384 |
} |
385 |
|
386 |
/* TODO: do we need to loop? */
|
387 |
} |
388 |
|
389 |
static int usb_bt_hci_cmd_complete(const uint8_t *data, int len) |
390 |
{ |
391 |
len -= HCI_COMMAND_HDR_SIZE; |
392 |
return len >= 0 && |
393 |
len >= ((struct hci_command_hdr *) data)->plen;
|
394 |
} |
395 |
|
396 |
static int usb_bt_hci_acl_complete(const uint8_t *data, int len) |
397 |
{ |
398 |
len -= HCI_ACL_HDR_SIZE; |
399 |
return len >= 0 && |
400 |
len >= le16_to_cpu(((struct hci_acl_hdr *) data)->dlen);
|
401 |
} |
402 |
|
403 |
static int usb_bt_hci_sco_complete(const uint8_t *data, int len) |
404 |
{ |
405 |
len -= HCI_SCO_HDR_SIZE; |
406 |
return len >= 0 && |
407 |
len >= ((struct hci_sco_hdr *) data)->dlen;
|
408 |
} |
409 |
|
410 |
static void usb_bt_handle_reset(USBDevice *dev) |
411 |
{ |
412 |
struct USBBtState *s = (struct USBBtState *) dev->opaque; |
413 |
|
414 |
usb_bt_fifo_reset(&s->evt); |
415 |
usb_bt_fifo_reset(&s->acl); |
416 |
usb_bt_fifo_reset(&s->sco); |
417 |
s->outcmd.len = 0;
|
418 |
s->outacl.len = 0;
|
419 |
s->outsco.len = 0;
|
420 |
s->altsetting = 0;
|
421 |
} |
422 |
|
423 |
static int usb_bt_handle_control(USBDevice *dev, int request, int value, |
424 |
int index, int length, uint8_t *data) |
425 |
{ |
426 |
struct USBBtState *s = (struct USBBtState *) dev->opaque; |
427 |
int ret = 0; |
428 |
|
429 |
switch (request) {
|
430 |
case DeviceRequest | USB_REQ_GET_STATUS:
|
431 |
case InterfaceRequest | USB_REQ_GET_STATUS:
|
432 |
case EndpointRequest | USB_REQ_GET_STATUS:
|
433 |
data[0] = (1 << USB_DEVICE_SELF_POWERED) | |
434 |
(dev->remote_wakeup << USB_DEVICE_REMOTE_WAKEUP); |
435 |
data[1] = 0x00; |
436 |
ret = 2;
|
437 |
break;
|
438 |
case DeviceOutRequest | USB_REQ_CLEAR_FEATURE:
|
439 |
case InterfaceOutRequest | USB_REQ_CLEAR_FEATURE:
|
440 |
case EndpointOutRequest | USB_REQ_CLEAR_FEATURE:
|
441 |
if (value == USB_DEVICE_REMOTE_WAKEUP) {
|
442 |
dev->remote_wakeup = 0;
|
443 |
} else {
|
444 |
goto fail;
|
445 |
} |
446 |
ret = 0;
|
447 |
break;
|
448 |
case DeviceOutRequest | USB_REQ_SET_FEATURE:
|
449 |
case InterfaceOutRequest | USB_REQ_SET_FEATURE:
|
450 |
case EndpointOutRequest | USB_REQ_SET_FEATURE:
|
451 |
if (value == USB_DEVICE_REMOTE_WAKEUP) {
|
452 |
dev->remote_wakeup = 1;
|
453 |
} else {
|
454 |
goto fail;
|
455 |
} |
456 |
ret = 0;
|
457 |
break;
|
458 |
case DeviceOutRequest | USB_REQ_SET_ADDRESS:
|
459 |
dev->addr = value; |
460 |
ret = 0;
|
461 |
break;
|
462 |
case DeviceRequest | USB_REQ_GET_DESCRIPTOR:
|
463 |
switch (value >> 8) { |
464 |
case USB_DT_DEVICE:
|
465 |
ret = sizeof(qemu_bt_dev_descriptor);
|
466 |
memcpy(data, qemu_bt_dev_descriptor, ret); |
467 |
break;
|
468 |
case USB_DT_CONFIG:
|
469 |
ret = sizeof(qemu_bt_config_descriptor);
|
470 |
memcpy(data, qemu_bt_config_descriptor, ret); |
471 |
break;
|
472 |
case USB_DT_STRING:
|
473 |
switch(value & 0xff) { |
474 |
case 0: |
475 |
/* language ids */
|
476 |
data[0] = 4; |
477 |
data[1] = 3; |
478 |
data[2] = 0x09; |
479 |
data[3] = 0x04; |
480 |
ret = 4;
|
481 |
break;
|
482 |
default:
|
483 |
goto fail;
|
484 |
} |
485 |
break;
|
486 |
default:
|
487 |
goto fail;
|
488 |
} |
489 |
break;
|
490 |
case DeviceRequest | USB_REQ_GET_CONFIGURATION:
|
491 |
data[0] = qemu_bt_config_descriptor[0x5]; |
492 |
ret = 1;
|
493 |
s->config = 0;
|
494 |
break;
|
495 |
case DeviceOutRequest | USB_REQ_SET_CONFIGURATION:
|
496 |
ret = 0;
|
497 |
if (value != qemu_bt_config_descriptor[0x5] && value != 0) { |
498 |
printf("%s: Wrong SET_CONFIGURATION request (%i)\n",
|
499 |
__FUNCTION__, value); |
500 |
goto fail;
|
501 |
} |
502 |
s->config = 1;
|
503 |
usb_bt_fifo_reset(&s->evt); |
504 |
usb_bt_fifo_reset(&s->acl); |
505 |
usb_bt_fifo_reset(&s->sco); |
506 |
break;
|
507 |
case InterfaceRequest | USB_REQ_GET_INTERFACE:
|
508 |
if (value != 0 || (index & ~1) || length != 1) |
509 |
goto fail;
|
510 |
if (index == 1) |
511 |
data[0] = s->altsetting;
|
512 |
else
|
513 |
data[0] = 0; |
514 |
ret = 1;
|
515 |
break;
|
516 |
case InterfaceOutRequest | USB_REQ_SET_INTERFACE:
|
517 |
if ((index & ~1) || length != 0 || |
518 |
(index == 1 && (value < 0 || value > 4)) || |
519 |
(index == 0 && value != 0)) { |
520 |
printf("%s: Wrong SET_INTERFACE request (%i, %i)\n",
|
521 |
__FUNCTION__, index, value); |
522 |
goto fail;
|
523 |
} |
524 |
s->altsetting = value; |
525 |
ret = 0;
|
526 |
break;
|
527 |
case ((USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_DEVICE) << 8): |
528 |
if (s->config)
|
529 |
usb_bt_fifo_out_enqueue(s, &s->outcmd, s->hci->cmd_send, |
530 |
usb_bt_hci_cmd_complete, data, length); |
531 |
break;
|
532 |
default:
|
533 |
fail:
|
534 |
ret = USB_RET_STALL; |
535 |
break;
|
536 |
} |
537 |
return ret;
|
538 |
} |
539 |
|
540 |
static int usb_bt_handle_data(USBDevice *dev, USBPacket *p) |
541 |
{ |
542 |
struct USBBtState *s = (struct USBBtState *) dev->opaque; |
543 |
int ret = 0; |
544 |
|
545 |
if (!s->config)
|
546 |
goto fail;
|
547 |
|
548 |
switch (p->pid) {
|
549 |
case USB_TOKEN_IN:
|
550 |
switch (p->devep & 0xf) { |
551 |
case USB_EVT_EP:
|
552 |
ret = usb_bt_fifo_dequeue(&s->evt, p); |
553 |
break;
|
554 |
|
555 |
case USB_ACL_EP:
|
556 |
ret = usb_bt_fifo_dequeue(&s->acl, p); |
557 |
break;
|
558 |
|
559 |
case USB_SCO_EP:
|
560 |
ret = usb_bt_fifo_dequeue(&s->sco, p); |
561 |
break;
|
562 |
|
563 |
default:
|
564 |
goto fail;
|
565 |
} |
566 |
break;
|
567 |
|
568 |
case USB_TOKEN_OUT:
|
569 |
switch (p->devep & 0xf) { |
570 |
case USB_ACL_EP:
|
571 |
usb_bt_fifo_out_enqueue(s, &s->outacl, s->hci->acl_send, |
572 |
usb_bt_hci_acl_complete, p->data, p->len); |
573 |
break;
|
574 |
|
575 |
case USB_SCO_EP:
|
576 |
usb_bt_fifo_out_enqueue(s, &s->outsco, s->hci->sco_send, |
577 |
usb_bt_hci_sco_complete, p->data, p->len); |
578 |
break;
|
579 |
|
580 |
default:
|
581 |
goto fail;
|
582 |
} |
583 |
break;
|
584 |
|
585 |
default:
|
586 |
fail:
|
587 |
ret = USB_RET_STALL; |
588 |
break;
|
589 |
} |
590 |
|
591 |
return ret;
|
592 |
} |
593 |
|
594 |
static void usb_bt_out_hci_packet_event(void *opaque, |
595 |
const uint8_t *data, int len) |
596 |
{ |
597 |
struct USBBtState *s = (struct USBBtState *) opaque; |
598 |
|
599 |
usb_bt_fifo_enqueue(&s->evt, data, len); |
600 |
} |
601 |
|
602 |
static void usb_bt_out_hci_packet_acl(void *opaque, |
603 |
const uint8_t *data, int len) |
604 |
{ |
605 |
struct USBBtState *s = (struct USBBtState *) opaque; |
606 |
|
607 |
usb_bt_fifo_enqueue(&s->acl, data, len); |
608 |
} |
609 |
|
610 |
static void usb_bt_handle_destroy(USBDevice *dev) |
611 |
{ |
612 |
struct USBBtState *s = (struct USBBtState *) dev->opaque; |
613 |
|
614 |
s->hci->opaque = NULL;
|
615 |
s->hci->evt_recv = NULL;
|
616 |
s->hci->acl_recv = NULL;
|
617 |
} |
618 |
|
619 |
static int usb_bt_initfn(USBDevice *dev) |
620 |
{ |
621 |
struct USBBtState *s = DO_UPCAST(struct USBBtState, dev, dev); |
622 |
s->dev.speed = USB_SPEED_HIGH; |
623 |
return 0; |
624 |
} |
625 |
|
626 |
USBDevice *usb_bt_init(HCIInfo *hci) |
627 |
{ |
628 |
USBDevice *dev; |
629 |
struct USBBtState *s;
|
630 |
|
631 |
if (!hci)
|
632 |
return NULL; |
633 |
dev = usb_create_simple(NULL /* FIXME */, "usb-bt-dongle"); |
634 |
s = DO_UPCAST(struct USBBtState, dev, dev);
|
635 |
s->dev.opaque = s; |
636 |
|
637 |
s->hci = hci; |
638 |
s->hci->opaque = s; |
639 |
s->hci->evt_recv = usb_bt_out_hci_packet_event; |
640 |
s->hci->acl_recv = usb_bt_out_hci_packet_acl; |
641 |
|
642 |
usb_bt_handle_reset(&s->dev); |
643 |
|
644 |
return dev;
|
645 |
} |
646 |
|
647 |
static struct USBDeviceInfo bt_info = { |
648 |
.product_desc = "QEMU BT dongle",
|
649 |
.qdev.name = "usb-bt-dongle",
|
650 |
.qdev.size = sizeof(struct USBBtState), |
651 |
.init = usb_bt_initfn, |
652 |
.handle_packet = usb_generic_handle_packet, |
653 |
.handle_reset = usb_bt_handle_reset, |
654 |
.handle_control = usb_bt_handle_control, |
655 |
.handle_data = usb_bt_handle_data, |
656 |
.handle_destroy = usb_bt_handle_destroy, |
657 |
}; |
658 |
|
659 |
static void usb_bt_register_devices(void) |
660 |
{ |
661 |
usb_qdev_register(&bt_info); |
662 |
} |
663 |
device_init(usb_bt_register_devices) |