root / hw / usb-bt.c @ fad6cb1a
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| 1 |
/*
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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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| 10 |
* (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, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "qemu-common.h" |
| 23 |
#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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|
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int altsetting;
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int config;
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|
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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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|
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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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|
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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 |
| 54 |
|
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static const uint8_t qemu_bt_dev_descriptor[] = { |
| 56 |
0x12, /* u8 bLength; */ |
| 57 |
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 */ |
| 63 |
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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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; */ |
| 195 |
0x02, /* u8 if_bNumEndpoints; */ |
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0xe0, /* u8 if_bInterfaceClass; Wireless */ |
| 197 |
0x01, /* u8 if_bInterfaceSubClass; Radio Frequency */ |
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0x01, /* u8 if_bInterfaceProtocol; Bluetooth */ |
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0x00, /* u8 if_iInterface; */ |
| 200 |
|
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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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|
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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) */ |
| 216 |
|
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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; */ |
| 222 |
0x02, /* u8 if_bNumEndpoints; */ |
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0xe0, /* u8 if_bInterfaceClass; Wireless */ |
| 224 |
0x01, /* u8 if_bInterfaceSubClass; Radio Frequency */ |
| 225 |
0x01, /* u8 if_bInterfaceProtocol; Bluetooth */ |
| 226 |
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) */ |
| 235 |
|
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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 */ |
| 241 |
0x19, 0x00, /* u16 ep_wMaxPacketSize; */ |
| 242 |
0x01, /* u8 ep_bInterval; (255ms -- usb 2.0 spec) */ |
| 243 |
|
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/* interface two setting five */
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0x09, /* u8 if_bLength; */ |
| 246 |
USB_DT_INTERFACE, /* u8 if_bDescriptorType; */
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0x01, /* u8 if_bInterfaceNumber; */ |
| 248 |
0x04, /* u8 if_bAlternateSetting; */ |
| 249 |
0x02, /* u8 if_bNumEndpoints; */ |
| 250 |
0xe0, /* u8 if_bInterfaceClass; Wireless */ |
| 251 |
0x01, /* u8 if_bInterfaceSubClass; Radio Frequency */ |
| 252 |
0x01, /* u8 if_bInterfaceProtocol; Bluetooth */ |
| 253 |
0x00, /* u8 if_iInterface; */ |
| 254 |
|
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/* endpoint one */
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0x07, /* u8 ep_bLength; */ |
| 257 |
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 */ |
| 260 |
0x21, 0x00, /* u16 ep_wMaxPacketSize; */ |
| 261 |
0x01, /* u8 ep_bInterval; (255ms -- usb 2.0 spec) */ |
| 262 |
|
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/* endpoint two */
|
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0x07, /* u8 ep_bLength; */ |
| 265 |
USB_DT_ENDPOINT, /* u8 ep_bDescriptorType; */
|
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USB_DIR_IN | USB_SCO_EP, /* u8 ep_bEndpointAddress; */
|
| 267 |
0x01, /* u8 ep_bmAttributes; Isochronous */ |
| 268 |
0x21, 0x00, /* u16 ep_wMaxPacketSize; */ |
| 269 |
0x01, /* u8 ep_bInterval; (255ms -- usb 2.0 spec) */ |
| 270 |
|
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/* interface two setting six */
|
| 272 |
0x09, /* u8 if_bLength; */ |
| 273 |
USB_DT_INTERFACE, /* u8 if_bDescriptorType; */
|
| 274 |
0x01, /* u8 if_bInterfaceNumber; */ |
| 275 |
0x05, /* u8 if_bAlternateSetting; */ |
| 276 |
0x02, /* u8 if_bNumEndpoints; */ |
| 277 |
0xe0, /* u8 if_bInterfaceClass; Wireless */ |
| 278 |
0x01, /* u8 if_bInterfaceSubClass; Radio Frequency */ |
| 279 |
0x01, /* u8 if_bInterfaceProtocol; Bluetooth */ |
| 280 |
0x00, /* u8 if_iInterface; */ |
| 281 |
|
| 282 |
/* endpoint one */
|
| 283 |
0x07, /* u8 ep_bLength; */ |
| 284 |
USB_DT_ENDPOINT, /* u8 ep_bDescriptorType; */
|
| 285 |
USB_DIR_OUT | USB_SCO_EP, /* u8 ep_bEndpointAddress; */
|
| 286 |
0x01, /* u8 ep_bmAttributes; Isochronous */ |
| 287 |
0x31, 0x00, /* u16 ep_wMaxPacketSize; */ |
| 288 |
0x01, /* u8 ep_bInterval; (255ms -- usb 2.0 spec) */ |
| 289 |
|
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/* endpoint two */
|
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0x07, /* u8 ep_bLength; */ |
| 292 |
USB_DT_ENDPOINT, /* u8 ep_bDescriptorType; */
|
| 293 |
USB_DIR_IN | USB_SCO_EP, /* u8 ep_bEndpointAddress; */
|
| 294 |
0x01, /* u8 ep_bmAttributes; Isochronous */ |
| 295 |
0x31, 0x00, /* u16 ep_wMaxPacketSize; */ |
| 296 |
0x01, /* u8 ep_bInterval; (255ms -- usb 2.0 spec) */ |
| 297 |
|
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/* If implemented, the DFU interface descriptor goes here with no
|
| 299 |
* endpoints or alternative settings. */
|
| 300 |
}; |
| 301 |
|
| 302 |
static void usb_bt_fifo_reset(struct usb_hci_in_fifo_s *fifo) |
| 303 |
{
|
| 304 |
fifo->dstart = 0;
|
| 305 |
fifo->dlen = 0;
|
| 306 |
fifo->dsize = DFIFO_LEN_MASK + 1;
|
| 307 |
fifo->start = 0;
|
| 308 |
fifo->len = 0;
|
| 309 |
} |
| 310 |
|
| 311 |
static void usb_bt_fifo_enqueue(struct usb_hci_in_fifo_s *fifo, |
| 312 |
const uint8_t *data, int len) |
| 313 |
{
|
| 314 |
int off = fifo->dstart + fifo->dlen;
|
| 315 |
uint8_t *buf; |
| 316 |
|
| 317 |
fifo->dlen += len; |
| 318 |
if (off <= DFIFO_LEN_MASK) {
|
| 319 |
if (off + len > DFIFO_LEN_MASK + 1 && |
| 320 |
(fifo->dsize = off + len) > (DFIFO_LEN_MASK + 1) * 2) { |
| 321 |
fprintf(stderr, "%s: can't alloc %i bytes\n", __FUNCTION__, len);
|
| 322 |
exit(-1);
|
| 323 |
} |
| 324 |
buf = fifo->data + off; |
| 325 |
} else {
|
| 326 |
if (fifo->dlen > fifo->dsize) {
|
| 327 |
fprintf(stderr, "%s: can't alloc %i bytes\n", __FUNCTION__, len);
|
| 328 |
exit(-1);
|
| 329 |
} |
| 330 |
buf = fifo->data + off - fifo->dsize; |
| 331 |
} |
| 332 |
|
| 333 |
off = (fifo->start + fifo->len ++) & CFIFO_LEN_MASK; |
| 334 |
fifo->fifo[off].data = memcpy(buf, data, len); |
| 335 |
fifo->fifo[off].len = len; |
| 336 |
} |
| 337 |
|
| 338 |
static inline int usb_bt_fifo_dequeue(struct usb_hci_in_fifo_s *fifo, |
| 339 |
USBPacket *p) |
| 340 |
{
|
| 341 |
int len;
|
| 342 |
|
| 343 |
if (likely(!fifo->len))
|
| 344 |
return USB_RET_STALL;
|
| 345 |
|
| 346 |
len = MIN(p->len, fifo->fifo[fifo->start].len); |
| 347 |
memcpy(p->data, fifo->fifo[fifo->start].data, len); |
| 348 |
if (len == p->len) {
|
| 349 |
fifo->fifo[fifo->start].len -= len; |
| 350 |
fifo->fifo[fifo->start].data += len; |
| 351 |
} else {
|
| 352 |
fifo->start ++; |
| 353 |
fifo->start &= CFIFO_LEN_MASK; |
| 354 |
fifo->len --; |
| 355 |
} |
| 356 |
|
| 357 |
fifo->dstart += len; |
| 358 |
fifo->dlen -= len; |
| 359 |
if (fifo->dstart >= fifo->dsize) {
|
| 360 |
fifo->dstart = 0;
|
| 361 |
fifo->dsize = DFIFO_LEN_MASK + 1;
|
| 362 |
} |
| 363 |
|
| 364 |
return len;
|
| 365 |
} |
| 366 |
|
| 367 |
static void inline usb_bt_fifo_out_enqueue(struct USBBtState *s, |
| 368 |
struct usb_hci_out_fifo_s *fifo,
|
| 369 |
void (*send)(struct HCIInfo *, const uint8_t *, int), |
| 370 |
int (*complete)(const uint8_t *, int), |
| 371 |
const uint8_t *data, int len) |
| 372 |
{
|
| 373 |
if (fifo->len) {
|
| 374 |
memcpy(fifo->data + fifo->len, data, len); |
| 375 |
fifo->len += len; |
| 376 |
if (complete(fifo->data, fifo->len)) {
|
| 377 |
send(s->hci, fifo->data, fifo->len); |
| 378 |
fifo->len = 0;
|
| 379 |
} |
| 380 |
} else if (complete(data, len)) |
| 381 |
send(s->hci, data, len); |
| 382 |
else {
|
| 383 |
memcpy(fifo->data, data, len); |
| 384 |
fifo->len = len; |
| 385 |
} |
| 386 |
|
| 387 |
/* TODO: do we need to loop? */
|
| 388 |
} |
| 389 |
|
| 390 |
static int usb_bt_hci_cmd_complete(const uint8_t *data, int len) |
| 391 |
{
|
| 392 |
len -= HCI_COMMAND_HDR_SIZE; |
| 393 |
return len >= 0 && |
| 394 |
len >= ((struct hci_command_hdr *) data)->plen;
|
| 395 |
} |
| 396 |
|
| 397 |
static int usb_bt_hci_acl_complete(const uint8_t *data, int len) |
| 398 |
{
|
| 399 |
len -= HCI_ACL_HDR_SIZE; |
| 400 |
return len >= 0 && |
| 401 |
len >= le16_to_cpu(((struct hci_acl_hdr *) data)->dlen);
|
| 402 |
} |
| 403 |
|
| 404 |
static int usb_bt_hci_sco_complete(const uint8_t *data, int len) |
| 405 |
{
|
| 406 |
len -= HCI_SCO_HDR_SIZE; |
| 407 |
return len >= 0 && |
| 408 |
len >= ((struct hci_sco_hdr *) data)->dlen;
|
| 409 |
} |
| 410 |
|
| 411 |
static void usb_bt_handle_reset(USBDevice *dev) |
| 412 |
{
|
| 413 |
struct USBBtState *s = (struct USBBtState *) dev->opaque; |
| 414 |
|
| 415 |
usb_bt_fifo_reset(&s->evt); |
| 416 |
usb_bt_fifo_reset(&s->acl); |
| 417 |
usb_bt_fifo_reset(&s->sco); |
| 418 |
s->outcmd.len = 0;
|
| 419 |
s->outacl.len = 0;
|
| 420 |
s->outsco.len = 0;
|
| 421 |
s->altsetting = 0;
|
| 422 |
} |
| 423 |
|
| 424 |
static int usb_bt_handle_control(USBDevice *dev, int request, int value, |
| 425 |
int index, int length, uint8_t *data) |
| 426 |
{
|
| 427 |
struct USBBtState *s = (struct USBBtState *) dev->opaque; |
| 428 |
int ret = 0; |
| 429 |
|
| 430 |
switch (request) {
|
| 431 |
case DeviceRequest | USB_REQ_GET_STATUS:
|
| 432 |
case InterfaceRequest | USB_REQ_GET_STATUS:
|
| 433 |
case EndpointRequest | USB_REQ_GET_STATUS:
|
| 434 |
data[0] = (1 << USB_DEVICE_SELF_POWERED) | |
| 435 |
(dev->remote_wakeup << USB_DEVICE_REMOTE_WAKEUP); |
| 436 |
data[1] = 0x00; |
| 437 |
ret = 2;
|
| 438 |
break;
|
| 439 |
case DeviceOutRequest | USB_REQ_CLEAR_FEATURE:
|
| 440 |
case InterfaceOutRequest | USB_REQ_CLEAR_FEATURE:
|
| 441 |
case EndpointOutRequest | USB_REQ_CLEAR_FEATURE:
|
| 442 |
if (value == USB_DEVICE_REMOTE_WAKEUP) {
|
| 443 |
dev->remote_wakeup = 0;
|
| 444 |
} else {
|
| 445 |
goto fail;
|
| 446 |
} |
| 447 |
ret = 0;
|
| 448 |
break;
|
| 449 |
case DeviceOutRequest | USB_REQ_SET_FEATURE:
|
| 450 |
case InterfaceOutRequest | USB_REQ_SET_FEATURE:
|
| 451 |
case EndpointOutRequest | USB_REQ_SET_FEATURE:
|
| 452 |
if (value == USB_DEVICE_REMOTE_WAKEUP) {
|
| 453 |
dev->remote_wakeup = 1;
|
| 454 |
} else {
|
| 455 |
goto fail;
|
| 456 |
} |
| 457 |
ret = 0;
|
| 458 |
break;
|
| 459 |
case DeviceOutRequest | USB_REQ_SET_ADDRESS:
|
| 460 |
dev->addr = value; |
| 461 |
ret = 0;
|
| 462 |
break;
|
| 463 |
case DeviceRequest | USB_REQ_GET_DESCRIPTOR:
|
| 464 |
switch (value >> 8) { |
| 465 |
case USB_DT_DEVICE:
|
| 466 |
ret = sizeof(qemu_bt_dev_descriptor);
|
| 467 |
memcpy(data, qemu_bt_dev_descriptor, ret); |
| 468 |
break;
|
| 469 |
case USB_DT_CONFIG:
|
| 470 |
ret = sizeof(qemu_bt_config_descriptor);
|
| 471 |
memcpy(data, qemu_bt_config_descriptor, ret); |
| 472 |
break;
|
| 473 |
case USB_DT_STRING:
|
| 474 |
switch(value & 0xff) { |
| 475 |
case 0: |
| 476 |
/* language ids */
|
| 477 |
data[0] = 4; |
| 478 |
data[1] = 3; |
| 479 |
data[2] = 0x09; |
| 480 |
data[3] = 0x04; |
| 481 |
ret = 4;
|
| 482 |
break;
|
| 483 |
default:
|
| 484 |
goto fail;
|
| 485 |
} |
| 486 |
break;
|
| 487 |
default:
|
| 488 |
goto fail;
|
| 489 |
} |
| 490 |
break;
|
| 491 |
case DeviceRequest | USB_REQ_GET_CONFIGURATION:
|
| 492 |
data[0] = qemu_bt_config_descriptor[0x5]; |
| 493 |
ret = 1;
|
| 494 |
s->config = 0;
|
| 495 |
break;
|
| 496 |
case DeviceOutRequest | USB_REQ_SET_CONFIGURATION:
|
| 497 |
ret = 0;
|
| 498 |
if (value != qemu_bt_config_descriptor[0x5] && value != 0) { |
| 499 |
printf("%s: Wrong SET_CONFIGURATION request (%i)\n",
|
| 500 |
__FUNCTION__, value); |
| 501 |
goto fail;
|
| 502 |
} |
| 503 |
s->config = 1;
|
| 504 |
usb_bt_fifo_reset(&s->evt); |
| 505 |
usb_bt_fifo_reset(&s->acl); |
| 506 |
usb_bt_fifo_reset(&s->sco); |
| 507 |
break;
|
| 508 |
case InterfaceRequest | USB_REQ_GET_INTERFACE:
|
| 509 |
if (value != 0 || (index & ~1) || length != 1) |
| 510 |
goto fail;
|
| 511 |
if (index == 1) |
| 512 |
data[0] = s->altsetting;
|
| 513 |
else
|
| 514 |
data[0] = 0; |
| 515 |
ret = 1;
|
| 516 |
break;
|
| 517 |
case InterfaceOutRequest | USB_REQ_SET_INTERFACE:
|
| 518 |
if ((index & ~1) || length != 0 || |
| 519 |
(index == 1 && (value < 0 || value > 4)) || |
| 520 |
(index == 0 && value != 0)) { |
| 521 |
printf("%s: Wrong SET_INTERFACE request (%i, %i)\n",
|
| 522 |
__FUNCTION__, index, value); |
| 523 |
goto fail;
|
| 524 |
} |
| 525 |
s->altsetting = value; |
| 526 |
ret = 0;
|
| 527 |
break;
|
| 528 |
case ((USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_DEVICE) << 8): |
| 529 |
if (s->config)
|
| 530 |
usb_bt_fifo_out_enqueue(s, &s->outcmd, s->hci->cmd_send, |
| 531 |
usb_bt_hci_cmd_complete, data, length); |
| 532 |
break;
|
| 533 |
default:
|
| 534 |
fail:
|
| 535 |
ret = USB_RET_STALL; |
| 536 |
break;
|
| 537 |
} |
| 538 |
return ret;
|
| 539 |
} |
| 540 |
|
| 541 |
static int usb_bt_handle_data(USBDevice *dev, USBPacket *p) |
| 542 |
{
|
| 543 |
struct USBBtState *s = (struct USBBtState *) dev->opaque; |
| 544 |
int ret = 0; |
| 545 |
|
| 546 |
if (!s->config)
|
| 547 |
goto fail;
|
| 548 |
|
| 549 |
switch (p->pid) {
|
| 550 |
case USB_TOKEN_IN:
|
| 551 |
switch (p->devep & 0xf) { |
| 552 |
case USB_EVT_EP:
|
| 553 |
ret = usb_bt_fifo_dequeue(&s->evt, p); |
| 554 |
break;
|
| 555 |
|
| 556 |
case USB_ACL_EP:
|
| 557 |
ret = usb_bt_fifo_dequeue(&s->acl, p); |
| 558 |
break;
|
| 559 |
|
| 560 |
case USB_SCO_EP:
|
| 561 |
ret = usb_bt_fifo_dequeue(&s->sco, p); |
| 562 |
break;
|
| 563 |
|
| 564 |
default:
|
| 565 |
goto fail;
|
| 566 |
} |
| 567 |
break;
|
| 568 |
|
| 569 |
case USB_TOKEN_OUT:
|
| 570 |
switch (p->devep & 0xf) { |
| 571 |
case USB_ACL_EP:
|
| 572 |
usb_bt_fifo_out_enqueue(s, &s->outacl, s->hci->acl_send, |
| 573 |
usb_bt_hci_acl_complete, p->data, p->len); |
| 574 |
break;
|
| 575 |
|
| 576 |
case USB_SCO_EP:
|
| 577 |
usb_bt_fifo_out_enqueue(s, &s->outsco, s->hci->sco_send, |
| 578 |
usb_bt_hci_sco_complete, p->data, p->len); |
| 579 |
break;
|
| 580 |
|
| 581 |
default:
|
| 582 |
goto fail;
|
| 583 |
} |
| 584 |
break;
|
| 585 |
|
| 586 |
default:
|
| 587 |
fail:
|
| 588 |
ret = USB_RET_STALL; |
| 589 |
break;
|
| 590 |
} |
| 591 |
|
| 592 |
return ret;
|
| 593 |
} |
| 594 |
|
| 595 |
static void usb_bt_out_hci_packet_event(void *opaque, |
| 596 |
const uint8_t *data, int len) |
| 597 |
{
|
| 598 |
struct USBBtState *s = (struct USBBtState *) opaque; |
| 599 |
|
| 600 |
usb_bt_fifo_enqueue(&s->evt, data, len); |
| 601 |
} |
| 602 |
|
| 603 |
static void usb_bt_out_hci_packet_acl(void *opaque, |
| 604 |
const uint8_t *data, int len) |
| 605 |
{
|
| 606 |
struct USBBtState *s = (struct USBBtState *) opaque; |
| 607 |
|
| 608 |
usb_bt_fifo_enqueue(&s->acl, data, len); |
| 609 |
} |
| 610 |
|
| 611 |
static void usb_bt_handle_destroy(USBDevice *dev) |
| 612 |
{
|
| 613 |
struct USBBtState *s = (struct USBBtState *) dev->opaque; |
| 614 |
|
| 615 |
s->hci->opaque = 0;
|
| 616 |
s->hci->evt_recv = 0;
|
| 617 |
s->hci->acl_recv = 0;
|
| 618 |
qemu_free(s); |
| 619 |
} |
| 620 |
|
| 621 |
USBDevice *usb_bt_init(HCIInfo *hci) |
| 622 |
{
|
| 623 |
struct USBBtState *s;
|
| 624 |
|
| 625 |
if (!hci)
|
| 626 |
return NULL; |
| 627 |
s = qemu_mallocz(sizeof(struct USBBtState)); |
| 628 |
if (!s)
|
| 629 |
return NULL; |
| 630 |
s->dev.opaque = s; |
| 631 |
s->dev.speed = USB_SPEED_HIGH; |
| 632 |
s->dev.handle_packet = usb_generic_handle_packet; |
| 633 |
pstrcpy(s->dev.devname, sizeof(s->dev.devname), "QEMU BT dongle"); |
| 634 |
|
| 635 |
s->dev.handle_reset = usb_bt_handle_reset; |
| 636 |
s->dev.handle_control = usb_bt_handle_control; |
| 637 |
s->dev.handle_data = usb_bt_handle_data; |
| 638 |
s->dev.handle_destroy = usb_bt_handle_destroy; |
| 639 |
|
| 640 |
s->hci = hci; |
| 641 |
s->hci->opaque = s; |
| 642 |
s->hci->evt_recv = usb_bt_out_hci_packet_event; |
| 643 |
s->hci->acl_recv = usb_bt_out_hci_packet_acl; |
| 644 |
|
| 645 |
usb_bt_handle_reset(&s->dev); |
| 646 |
|
| 647 |
return &s->dev;
|
| 648 |
} |