806b602482
* Add USBBus. * Add USBDeviceInfo, move device callbacks here. * Add usb-qdev helper functions. * Switch drivers to qdev. TODO: * make the rest of qemu aware of usb busses and kill the FIXMEs added by this patch. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
664 lines
21 KiB
C
664 lines
21 KiB
C
/*
|
|
* QEMU Bluetooth HCI USB Transport Layer v1.0
|
|
*
|
|
* Copyright (C) 2007 OpenMoko, Inc.
|
|
* Copyright (C) 2008 Andrzej Zaborowski <balrog@zabor.org>
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License as
|
|
* published by the Free Software Foundation; either version 2 or
|
|
* (at your option) version 3 of the License.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along
|
|
* with this program; if not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include "qemu-common.h"
|
|
#include "usb.h"
|
|
#include "net.h"
|
|
#include "bt.h"
|
|
|
|
struct USBBtState {
|
|
USBDevice dev;
|
|
struct HCIInfo *hci;
|
|
|
|
int altsetting;
|
|
int config;
|
|
|
|
#define CFIFO_LEN_MASK 255
|
|
#define DFIFO_LEN_MASK 4095
|
|
struct usb_hci_in_fifo_s {
|
|
uint8_t data[(DFIFO_LEN_MASK + 1) * 2];
|
|
struct {
|
|
uint8_t *data;
|
|
int len;
|
|
} fifo[CFIFO_LEN_MASK + 1];
|
|
int dstart, dlen, dsize, start, len;
|
|
} evt, acl, sco;
|
|
|
|
struct usb_hci_out_fifo_s {
|
|
uint8_t data[4096];
|
|
int len;
|
|
} outcmd, outacl, outsco;
|
|
};
|
|
|
|
#define USB_EVT_EP 1
|
|
#define USB_ACL_EP 2
|
|
#define USB_SCO_EP 3
|
|
|
|
static const uint8_t qemu_bt_dev_descriptor[] = {
|
|
0x12, /* u8 bLength; */
|
|
USB_DT_DEVICE, /* u8 bDescriptorType; Device */
|
|
0x10, 0x01, /* u16 bcdUSB; v1.10 */
|
|
|
|
0xe0, /* u8 bDeviceClass; Wireless */
|
|
0x01, /* u8 bDeviceSubClass; Radio Frequency */
|
|
0x01, /* u8 bDeviceProtocol; Bluetooth */
|
|
0x40, /* u8 bMaxPacketSize0; 64 Bytes */
|
|
|
|
0x12, 0x0a, /* u16 idVendor; */
|
|
0x01, 0x00, /* u16 idProduct; Bluetooth Dongle (HCI mode) */
|
|
0x58, 0x19, /* u16 bcdDevice; (some devices have 0x48, 0x02) */
|
|
|
|
0x00, /* u8 iManufacturer; */
|
|
0x00, /* u8 iProduct; */
|
|
0x00, /* u8 iSerialNumber; */
|
|
0x01, /* u8 bNumConfigurations; */
|
|
};
|
|
|
|
static const uint8_t qemu_bt_config_descriptor[] = {
|
|
/* one configuration */
|
|
0x09, /* u8 bLength; */
|
|
USB_DT_CONFIG, /* u8 bDescriptorType; */
|
|
0xb1, 0x00, /* u16 wTotalLength; */
|
|
0x02, /* u8 bNumInterfaces; (2) */
|
|
0x01, /* u8 bConfigurationValue; */
|
|
0x00, /* u8 iConfiguration; */
|
|
0xc0, /* u8 bmAttributes;
|
|
Bit 7: must be set,
|
|
6: Self-powered,
|
|
5: Remote wakeup,
|
|
4..0: resvd */
|
|
0x00, /* u8 MaxPower; */
|
|
|
|
/* USB 1.1:
|
|
* USB 2.0, single TT organization (mandatory):
|
|
* one interface, protocol 0
|
|
*
|
|
* USB 2.0, multiple TT organization (optional):
|
|
* two interfaces, protocols 1 (like single TT)
|
|
* and 2 (multiple TT mode) ... config is
|
|
* sometimes settable
|
|
* NOT IMPLEMENTED
|
|
*/
|
|
|
|
/* interface one */
|
|
0x09, /* u8 if_bLength; */
|
|
USB_DT_INTERFACE, /* u8 if_bDescriptorType; */
|
|
0x00, /* u8 if_bInterfaceNumber; */
|
|
0x00, /* u8 if_bAlternateSetting; */
|
|
0x03, /* u8 if_bNumEndpoints; */
|
|
0xe0, /* u8 if_bInterfaceClass; Wireless */
|
|
0x01, /* u8 if_bInterfaceSubClass; Radio Frequency */
|
|
0x01, /* u8 if_bInterfaceProtocol; Bluetooth */
|
|
0x00, /* u8 if_iInterface; */
|
|
|
|
/* endpoint one */
|
|
0x07, /* u8 ep_bLength; */
|
|
USB_DT_ENDPOINT, /* u8 ep_bDescriptorType; */
|
|
USB_DIR_IN | USB_EVT_EP, /* u8 ep_bEndpointAddress; */
|
|
0x03, /* u8 ep_bmAttributes; Interrupt */
|
|
0x10, 0x00, /* u16 ep_wMaxPacketSize; */
|
|
0x02, /* u8 ep_bInterval; */
|
|
|
|
/* endpoint two */
|
|
0x07, /* u8 ep_bLength; */
|
|
USB_DT_ENDPOINT, /* u8 ep_bDescriptorType; */
|
|
USB_DIR_OUT | USB_ACL_EP, /* u8 ep_bEndpointAddress; */
|
|
0x02, /* u8 ep_bmAttributes; Bulk */
|
|
0x40, 0x00, /* u16 ep_wMaxPacketSize; */
|
|
0x0a, /* u8 ep_bInterval; (255ms -- usb 2.0 spec) */
|
|
|
|
/* endpoint three */
|
|
0x07, /* u8 ep_bLength; */
|
|
USB_DT_ENDPOINT, /* u8 ep_bDescriptorType; */
|
|
USB_DIR_IN | USB_ACL_EP, /* u8 ep_bEndpointAddress; */
|
|
0x02, /* u8 ep_bmAttributes; Bulk */
|
|
0x40, 0x00, /* u16 ep_wMaxPacketSize; */
|
|
0x0a, /* u8 ep_bInterval; (255ms -- usb 2.0 spec) */
|
|
|
|
/* interface two setting one */
|
|
0x09, /* u8 if_bLength; */
|
|
USB_DT_INTERFACE, /* u8 if_bDescriptorType; */
|
|
0x01, /* u8 if_bInterfaceNumber; */
|
|
0x00, /* u8 if_bAlternateSetting; */
|
|
0x02, /* u8 if_bNumEndpoints; */
|
|
0xe0, /* u8 if_bInterfaceClass; Wireless */
|
|
0x01, /* u8 if_bInterfaceSubClass; Radio Frequency */
|
|
0x01, /* u8 if_bInterfaceProtocol; Bluetooth */
|
|
0x00, /* u8 if_iInterface; */
|
|
|
|
/* endpoint one */
|
|
0x07, /* u8 ep_bLength; */
|
|
USB_DT_ENDPOINT, /* u8 ep_bDescriptorType; */
|
|
USB_DIR_OUT | USB_SCO_EP, /* u8 ep_bEndpointAddress; */
|
|
0x01, /* u8 ep_bmAttributes; Isochronous */
|
|
0x00, 0x00, /* u16 ep_wMaxPacketSize; */
|
|
0x01, /* u8 ep_bInterval; (255ms -- usb 2.0 spec) */
|
|
|
|
/* endpoint two */
|
|
0x07, /* u8 ep_bLength; */
|
|
USB_DT_ENDPOINT, /* u8 ep_bDescriptorType; */
|
|
USB_DIR_IN | USB_SCO_EP, /* u8 ep_bEndpointAddress; */
|
|
0x01, /* u8 ep_bmAttributes; Isochronous */
|
|
0x00, 0x00, /* u16 ep_wMaxPacketSize; */
|
|
0x01, /* u8 ep_bInterval; (255ms -- usb 2.0 spec) */
|
|
|
|
/* interface two setting two */
|
|
0x09, /* u8 if_bLength; */
|
|
USB_DT_INTERFACE, /* u8 if_bDescriptorType; */
|
|
0x01, /* u8 if_bInterfaceNumber; */
|
|
0x01, /* u8 if_bAlternateSetting; */
|
|
0x02, /* u8 if_bNumEndpoints; */
|
|
0xe0, /* u8 if_bInterfaceClass; Wireless */
|
|
0x01, /* u8 if_bInterfaceSubClass; Radio Frequency */
|
|
0x01, /* u8 if_bInterfaceProtocol; Bluetooth */
|
|
0x00, /* u8 if_iInterface; */
|
|
|
|
/* endpoint one */
|
|
0x07, /* u8 ep_bLength; */
|
|
USB_DT_ENDPOINT, /* u8 ep_bDescriptorType; */
|
|
USB_DIR_OUT | USB_SCO_EP, /* u8 ep_bEndpointAddress; */
|
|
0x01, /* u8 ep_bmAttributes; Isochronous */
|
|
0x09, 0x00, /* u16 ep_wMaxPacketSize; */
|
|
0x01, /* u8 ep_bInterval; (255ms -- usb 2.0 spec) */
|
|
|
|
/* endpoint two */
|
|
0x07, /* u8 ep_bLength; */
|
|
USB_DT_ENDPOINT, /* u8 ep_bDescriptorType; */
|
|
USB_DIR_IN | USB_SCO_EP, /* u8 ep_bEndpointAddress; */
|
|
0x01, /* u8 ep_bmAttributes; Isochronous */
|
|
0x09, 0x00, /* u16 ep_wMaxPacketSize; */
|
|
0x01, /* u8 ep_bInterval; (255ms -- usb 2.0 spec) */
|
|
|
|
/* interface two setting three */
|
|
0x09, /* u8 if_bLength; */
|
|
USB_DT_INTERFACE, /* u8 if_bDescriptorType; */
|
|
0x01, /* u8 if_bInterfaceNumber; */
|
|
0x02, /* u8 if_bAlternateSetting; */
|
|
0x02, /* u8 if_bNumEndpoints; */
|
|
0xe0, /* u8 if_bInterfaceClass; Wireless */
|
|
0x01, /* u8 if_bInterfaceSubClass; Radio Frequency */
|
|
0x01, /* u8 if_bInterfaceProtocol; Bluetooth */
|
|
0x00, /* u8 if_iInterface; */
|
|
|
|
/* endpoint one */
|
|
0x07, /* u8 ep_bLength; */
|
|
USB_DT_ENDPOINT, /* u8 ep_bDescriptorType; */
|
|
USB_DIR_OUT | USB_SCO_EP, /* u8 ep_bEndpointAddress; */
|
|
0x01, /* u8 ep_bmAttributes; Isochronous */
|
|
0x11, 0x00, /* u16 ep_wMaxPacketSize; */
|
|
0x01, /* u8 ep_bInterval; (255ms -- usb 2.0 spec) */
|
|
|
|
/* endpoint two */
|
|
0x07, /* u8 ep_bLength; */
|
|
USB_DT_ENDPOINT, /* u8 ep_bDescriptorType; */
|
|
USB_DIR_IN | USB_SCO_EP, /* u8 ep_bEndpointAddress; */
|
|
0x01, /* u8 ep_bmAttributes; Isochronous */
|
|
0x11, 0x00, /* u16 ep_wMaxPacketSize; */
|
|
0x01, /* u8 ep_bInterval; (255ms -- usb 2.0 spec) */
|
|
|
|
/* interface two setting four */
|
|
0x09, /* u8 if_bLength; */
|
|
USB_DT_INTERFACE, /* u8 if_bDescriptorType; */
|
|
0x01, /* u8 if_bInterfaceNumber; */
|
|
0x03, /* u8 if_bAlternateSetting; */
|
|
0x02, /* u8 if_bNumEndpoints; */
|
|
0xe0, /* u8 if_bInterfaceClass; Wireless */
|
|
0x01, /* u8 if_bInterfaceSubClass; Radio Frequency */
|
|
0x01, /* u8 if_bInterfaceProtocol; Bluetooth */
|
|
0x00, /* u8 if_iInterface; */
|
|
|
|
/* endpoint one */
|
|
0x07, /* u8 ep_bLength; */
|
|
USB_DT_ENDPOINT, /* u8 ep_bDescriptorType; */
|
|
USB_DIR_OUT | USB_SCO_EP, /* u8 ep_bEndpointAddress; */
|
|
0x01, /* u8 ep_bmAttributes; Isochronous */
|
|
0x19, 0x00, /* u16 ep_wMaxPacketSize; */
|
|
0x01, /* u8 ep_bInterval; (255ms -- usb 2.0 spec) */
|
|
|
|
/* endpoint two */
|
|
0x07, /* u8 ep_bLength; */
|
|
USB_DT_ENDPOINT, /* u8 ep_bDescriptorType; */
|
|
USB_DIR_IN | USB_SCO_EP, /* u8 ep_bEndpointAddress; */
|
|
0x01, /* u8 ep_bmAttributes; Isochronous */
|
|
0x19, 0x00, /* u16 ep_wMaxPacketSize; */
|
|
0x01, /* u8 ep_bInterval; (255ms -- usb 2.0 spec) */
|
|
|
|
/* interface two setting five */
|
|
0x09, /* u8 if_bLength; */
|
|
USB_DT_INTERFACE, /* u8 if_bDescriptorType; */
|
|
0x01, /* u8 if_bInterfaceNumber; */
|
|
0x04, /* u8 if_bAlternateSetting; */
|
|
0x02, /* u8 if_bNumEndpoints; */
|
|
0xe0, /* u8 if_bInterfaceClass; Wireless */
|
|
0x01, /* u8 if_bInterfaceSubClass; Radio Frequency */
|
|
0x01, /* u8 if_bInterfaceProtocol; Bluetooth */
|
|
0x00, /* u8 if_iInterface; */
|
|
|
|
/* endpoint one */
|
|
0x07, /* u8 ep_bLength; */
|
|
USB_DT_ENDPOINT, /* u8 ep_bDescriptorType; */
|
|
USB_DIR_OUT | USB_SCO_EP, /* u8 ep_bEndpointAddress; */
|
|
0x01, /* u8 ep_bmAttributes; Isochronous */
|
|
0x21, 0x00, /* u16 ep_wMaxPacketSize; */
|
|
0x01, /* u8 ep_bInterval; (255ms -- usb 2.0 spec) */
|
|
|
|
/* endpoint two */
|
|
0x07, /* u8 ep_bLength; */
|
|
USB_DT_ENDPOINT, /* u8 ep_bDescriptorType; */
|
|
USB_DIR_IN | USB_SCO_EP, /* u8 ep_bEndpointAddress; */
|
|
0x01, /* u8 ep_bmAttributes; Isochronous */
|
|
0x21, 0x00, /* u16 ep_wMaxPacketSize; */
|
|
0x01, /* u8 ep_bInterval; (255ms -- usb 2.0 spec) */
|
|
|
|
/* interface two setting six */
|
|
0x09, /* u8 if_bLength; */
|
|
USB_DT_INTERFACE, /* u8 if_bDescriptorType; */
|
|
0x01, /* u8 if_bInterfaceNumber; */
|
|
0x05, /* u8 if_bAlternateSetting; */
|
|
0x02, /* u8 if_bNumEndpoints; */
|
|
0xe0, /* u8 if_bInterfaceClass; Wireless */
|
|
0x01, /* u8 if_bInterfaceSubClass; Radio Frequency */
|
|
0x01, /* u8 if_bInterfaceProtocol; Bluetooth */
|
|
0x00, /* u8 if_iInterface; */
|
|
|
|
/* endpoint one */
|
|
0x07, /* u8 ep_bLength; */
|
|
USB_DT_ENDPOINT, /* u8 ep_bDescriptorType; */
|
|
USB_DIR_OUT | USB_SCO_EP, /* u8 ep_bEndpointAddress; */
|
|
0x01, /* u8 ep_bmAttributes; Isochronous */
|
|
0x31, 0x00, /* u16 ep_wMaxPacketSize; */
|
|
0x01, /* u8 ep_bInterval; (255ms -- usb 2.0 spec) */
|
|
|
|
/* endpoint two */
|
|
0x07, /* u8 ep_bLength; */
|
|
USB_DT_ENDPOINT, /* u8 ep_bDescriptorType; */
|
|
USB_DIR_IN | USB_SCO_EP, /* u8 ep_bEndpointAddress; */
|
|
0x01, /* u8 ep_bmAttributes; Isochronous */
|
|
0x31, 0x00, /* u16 ep_wMaxPacketSize; */
|
|
0x01, /* u8 ep_bInterval; (255ms -- usb 2.0 spec) */
|
|
|
|
/* If implemented, the DFU interface descriptor goes here with no
|
|
* endpoints or alternative settings. */
|
|
};
|
|
|
|
static void usb_bt_fifo_reset(struct usb_hci_in_fifo_s *fifo)
|
|
{
|
|
fifo->dstart = 0;
|
|
fifo->dlen = 0;
|
|
fifo->dsize = DFIFO_LEN_MASK + 1;
|
|
fifo->start = 0;
|
|
fifo->len = 0;
|
|
}
|
|
|
|
static void usb_bt_fifo_enqueue(struct usb_hci_in_fifo_s *fifo,
|
|
const uint8_t *data, int len)
|
|
{
|
|
int off = fifo->dstart + fifo->dlen;
|
|
uint8_t *buf;
|
|
|
|
fifo->dlen += len;
|
|
if (off <= DFIFO_LEN_MASK) {
|
|
if (off + len > DFIFO_LEN_MASK + 1 &&
|
|
(fifo->dsize = off + len) > (DFIFO_LEN_MASK + 1) * 2) {
|
|
fprintf(stderr, "%s: can't alloc %i bytes\n", __FUNCTION__, len);
|
|
exit(-1);
|
|
}
|
|
buf = fifo->data + off;
|
|
} else {
|
|
if (fifo->dlen > fifo->dsize) {
|
|
fprintf(stderr, "%s: can't alloc %i bytes\n", __FUNCTION__, len);
|
|
exit(-1);
|
|
}
|
|
buf = fifo->data + off - fifo->dsize;
|
|
}
|
|
|
|
off = (fifo->start + fifo->len ++) & CFIFO_LEN_MASK;
|
|
fifo->fifo[off].data = memcpy(buf, data, len);
|
|
fifo->fifo[off].len = len;
|
|
}
|
|
|
|
static inline int usb_bt_fifo_dequeue(struct usb_hci_in_fifo_s *fifo,
|
|
USBPacket *p)
|
|
{
|
|
int len;
|
|
|
|
if (likely(!fifo->len))
|
|
return USB_RET_STALL;
|
|
|
|
len = MIN(p->len, fifo->fifo[fifo->start].len);
|
|
memcpy(p->data, fifo->fifo[fifo->start].data, len);
|
|
if (len == p->len) {
|
|
fifo->fifo[fifo->start].len -= len;
|
|
fifo->fifo[fifo->start].data += len;
|
|
} else {
|
|
fifo->start ++;
|
|
fifo->start &= CFIFO_LEN_MASK;
|
|
fifo->len --;
|
|
}
|
|
|
|
fifo->dstart += len;
|
|
fifo->dlen -= len;
|
|
if (fifo->dstart >= fifo->dsize) {
|
|
fifo->dstart = 0;
|
|
fifo->dsize = DFIFO_LEN_MASK + 1;
|
|
}
|
|
|
|
return len;
|
|
}
|
|
|
|
static void inline usb_bt_fifo_out_enqueue(struct USBBtState *s,
|
|
struct usb_hci_out_fifo_s *fifo,
|
|
void (*send)(struct HCIInfo *, const uint8_t *, int),
|
|
int (*complete)(const uint8_t *, int),
|
|
const uint8_t *data, int len)
|
|
{
|
|
if (fifo->len) {
|
|
memcpy(fifo->data + fifo->len, data, len);
|
|
fifo->len += len;
|
|
if (complete(fifo->data, fifo->len)) {
|
|
send(s->hci, fifo->data, fifo->len);
|
|
fifo->len = 0;
|
|
}
|
|
} else if (complete(data, len))
|
|
send(s->hci, data, len);
|
|
else {
|
|
memcpy(fifo->data, data, len);
|
|
fifo->len = len;
|
|
}
|
|
|
|
/* TODO: do we need to loop? */
|
|
}
|
|
|
|
static int usb_bt_hci_cmd_complete(const uint8_t *data, int len)
|
|
{
|
|
len -= HCI_COMMAND_HDR_SIZE;
|
|
return len >= 0 &&
|
|
len >= ((struct hci_command_hdr *) data)->plen;
|
|
}
|
|
|
|
static int usb_bt_hci_acl_complete(const uint8_t *data, int len)
|
|
{
|
|
len -= HCI_ACL_HDR_SIZE;
|
|
return len >= 0 &&
|
|
len >= le16_to_cpu(((struct hci_acl_hdr *) data)->dlen);
|
|
}
|
|
|
|
static int usb_bt_hci_sco_complete(const uint8_t *data, int len)
|
|
{
|
|
len -= HCI_SCO_HDR_SIZE;
|
|
return len >= 0 &&
|
|
len >= ((struct hci_sco_hdr *) data)->dlen;
|
|
}
|
|
|
|
static void usb_bt_handle_reset(USBDevice *dev)
|
|
{
|
|
struct USBBtState *s = (struct USBBtState *) dev->opaque;
|
|
|
|
usb_bt_fifo_reset(&s->evt);
|
|
usb_bt_fifo_reset(&s->acl);
|
|
usb_bt_fifo_reset(&s->sco);
|
|
s->outcmd.len = 0;
|
|
s->outacl.len = 0;
|
|
s->outsco.len = 0;
|
|
s->altsetting = 0;
|
|
}
|
|
|
|
static int usb_bt_handle_control(USBDevice *dev, int request, int value,
|
|
int index, int length, uint8_t *data)
|
|
{
|
|
struct USBBtState *s = (struct USBBtState *) dev->opaque;
|
|
int ret = 0;
|
|
|
|
switch (request) {
|
|
case DeviceRequest | USB_REQ_GET_STATUS:
|
|
case InterfaceRequest | USB_REQ_GET_STATUS:
|
|
case EndpointRequest | USB_REQ_GET_STATUS:
|
|
data[0] = (1 << USB_DEVICE_SELF_POWERED) |
|
|
(dev->remote_wakeup << USB_DEVICE_REMOTE_WAKEUP);
|
|
data[1] = 0x00;
|
|
ret = 2;
|
|
break;
|
|
case DeviceOutRequest | USB_REQ_CLEAR_FEATURE:
|
|
case InterfaceOutRequest | USB_REQ_CLEAR_FEATURE:
|
|
case EndpointOutRequest | USB_REQ_CLEAR_FEATURE:
|
|
if (value == USB_DEVICE_REMOTE_WAKEUP) {
|
|
dev->remote_wakeup = 0;
|
|
} else {
|
|
goto fail;
|
|
}
|
|
ret = 0;
|
|
break;
|
|
case DeviceOutRequest | USB_REQ_SET_FEATURE:
|
|
case InterfaceOutRequest | USB_REQ_SET_FEATURE:
|
|
case EndpointOutRequest | USB_REQ_SET_FEATURE:
|
|
if (value == USB_DEVICE_REMOTE_WAKEUP) {
|
|
dev->remote_wakeup = 1;
|
|
} else {
|
|
goto fail;
|
|
}
|
|
ret = 0;
|
|
break;
|
|
case DeviceOutRequest | USB_REQ_SET_ADDRESS:
|
|
dev->addr = value;
|
|
ret = 0;
|
|
break;
|
|
case DeviceRequest | USB_REQ_GET_DESCRIPTOR:
|
|
switch (value >> 8) {
|
|
case USB_DT_DEVICE:
|
|
ret = sizeof(qemu_bt_dev_descriptor);
|
|
memcpy(data, qemu_bt_dev_descriptor, ret);
|
|
break;
|
|
case USB_DT_CONFIG:
|
|
ret = sizeof(qemu_bt_config_descriptor);
|
|
memcpy(data, qemu_bt_config_descriptor, ret);
|
|
break;
|
|
case USB_DT_STRING:
|
|
switch(value & 0xff) {
|
|
case 0:
|
|
/* language ids */
|
|
data[0] = 4;
|
|
data[1] = 3;
|
|
data[2] = 0x09;
|
|
data[3] = 0x04;
|
|
ret = 4;
|
|
break;
|
|
default:
|
|
goto fail;
|
|
}
|
|
break;
|
|
default:
|
|
goto fail;
|
|
}
|
|
break;
|
|
case DeviceRequest | USB_REQ_GET_CONFIGURATION:
|
|
data[0] = qemu_bt_config_descriptor[0x5];
|
|
ret = 1;
|
|
s->config = 0;
|
|
break;
|
|
case DeviceOutRequest | USB_REQ_SET_CONFIGURATION:
|
|
ret = 0;
|
|
if (value != qemu_bt_config_descriptor[0x5] && value != 0) {
|
|
printf("%s: Wrong SET_CONFIGURATION request (%i)\n",
|
|
__FUNCTION__, value);
|
|
goto fail;
|
|
}
|
|
s->config = 1;
|
|
usb_bt_fifo_reset(&s->evt);
|
|
usb_bt_fifo_reset(&s->acl);
|
|
usb_bt_fifo_reset(&s->sco);
|
|
break;
|
|
case InterfaceRequest | USB_REQ_GET_INTERFACE:
|
|
if (value != 0 || (index & ~1) || length != 1)
|
|
goto fail;
|
|
if (index == 1)
|
|
data[0] = s->altsetting;
|
|
else
|
|
data[0] = 0;
|
|
ret = 1;
|
|
break;
|
|
case InterfaceOutRequest | USB_REQ_SET_INTERFACE:
|
|
if ((index & ~1) || length != 0 ||
|
|
(index == 1 && (value < 0 || value > 4)) ||
|
|
(index == 0 && value != 0)) {
|
|
printf("%s: Wrong SET_INTERFACE request (%i, %i)\n",
|
|
__FUNCTION__, index, value);
|
|
goto fail;
|
|
}
|
|
s->altsetting = value;
|
|
ret = 0;
|
|
break;
|
|
case ((USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_DEVICE) << 8):
|
|
if (s->config)
|
|
usb_bt_fifo_out_enqueue(s, &s->outcmd, s->hci->cmd_send,
|
|
usb_bt_hci_cmd_complete, data, length);
|
|
break;
|
|
default:
|
|
fail:
|
|
ret = USB_RET_STALL;
|
|
break;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
static int usb_bt_handle_data(USBDevice *dev, USBPacket *p)
|
|
{
|
|
struct USBBtState *s = (struct USBBtState *) dev->opaque;
|
|
int ret = 0;
|
|
|
|
if (!s->config)
|
|
goto fail;
|
|
|
|
switch (p->pid) {
|
|
case USB_TOKEN_IN:
|
|
switch (p->devep & 0xf) {
|
|
case USB_EVT_EP:
|
|
ret = usb_bt_fifo_dequeue(&s->evt, p);
|
|
break;
|
|
|
|
case USB_ACL_EP:
|
|
ret = usb_bt_fifo_dequeue(&s->acl, p);
|
|
break;
|
|
|
|
case USB_SCO_EP:
|
|
ret = usb_bt_fifo_dequeue(&s->sco, p);
|
|
break;
|
|
|
|
default:
|
|
goto fail;
|
|
}
|
|
break;
|
|
|
|
case USB_TOKEN_OUT:
|
|
switch (p->devep & 0xf) {
|
|
case USB_ACL_EP:
|
|
usb_bt_fifo_out_enqueue(s, &s->outacl, s->hci->acl_send,
|
|
usb_bt_hci_acl_complete, p->data, p->len);
|
|
break;
|
|
|
|
case USB_SCO_EP:
|
|
usb_bt_fifo_out_enqueue(s, &s->outsco, s->hci->sco_send,
|
|
usb_bt_hci_sco_complete, p->data, p->len);
|
|
break;
|
|
|
|
default:
|
|
goto fail;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
fail:
|
|
ret = USB_RET_STALL;
|
|
break;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static void usb_bt_out_hci_packet_event(void *opaque,
|
|
const uint8_t *data, int len)
|
|
{
|
|
struct USBBtState *s = (struct USBBtState *) opaque;
|
|
|
|
usb_bt_fifo_enqueue(&s->evt, data, len);
|
|
}
|
|
|
|
static void usb_bt_out_hci_packet_acl(void *opaque,
|
|
const uint8_t *data, int len)
|
|
{
|
|
struct USBBtState *s = (struct USBBtState *) opaque;
|
|
|
|
usb_bt_fifo_enqueue(&s->acl, data, len);
|
|
}
|
|
|
|
static void usb_bt_handle_destroy(USBDevice *dev)
|
|
{
|
|
struct USBBtState *s = (struct USBBtState *) dev->opaque;
|
|
|
|
s->hci->opaque = NULL;
|
|
s->hci->evt_recv = NULL;
|
|
s->hci->acl_recv = NULL;
|
|
qemu_free(s);
|
|
}
|
|
|
|
static int usb_bt_initfn(USBDevice *dev)
|
|
{
|
|
struct USBBtState *s = DO_UPCAST(struct USBBtState, dev, dev);
|
|
s->dev.speed = USB_SPEED_HIGH;
|
|
return 0;
|
|
}
|
|
|
|
USBDevice *usb_bt_init(HCIInfo *hci)
|
|
{
|
|
USBDevice *dev;
|
|
struct USBBtState *s;
|
|
|
|
if (!hci)
|
|
return NULL;
|
|
dev = usb_create_simple(NULL /* FIXME */, "QEMU BT dongle");
|
|
s = DO_UPCAST(struct USBBtState, dev, dev);
|
|
s->dev.opaque = s;
|
|
|
|
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 dev;
|
|
}
|
|
|
|
static struct USBDeviceInfo bt_info = {
|
|
.qdev.name = "QEMU BT dongle",
|
|
.qdev.size = sizeof(struct USBBtState),
|
|
.init = usb_bt_initfn,
|
|
.handle_packet = usb_generic_handle_packet,
|
|
.handle_reset = usb_bt_handle_reset,
|
|
.handle_control = usb_bt_handle_control,
|
|
.handle_data = usb_bt_handle_data,
|
|
.handle_destroy = usb_bt_handle_destroy,
|
|
};
|
|
|
|
static void usb_bt_register_devices(void)
|
|
{
|
|
usb_qdev_register(&bt_info);
|
|
}
|
|
device_init(usb_bt_register_devices)
|