| /* |
| * 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 inline void 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; |
| } |
| |
| 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) |
