balrog | e6a6d5a | 2008-09-29 00:40:44 +0000 | [diff] [blame] | 1 | /* |
| 2 | * QEMU Bluetooth HCI USB Transport Layer v1.0 |
| 3 | * |
| 4 | * Copyright (C) 2007 OpenMoko, Inc. |
| 5 | * Copyright (C) 2008 Andrzej Zaborowski <balrog@zabor.org> |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or |
| 8 | * modify it under the terms of the GNU General Public License as |
| 9 | * published by the Free Software Foundation; either version 2 or |
| 10 | * (at your option) version 3 of the License. |
| 11 | * |
| 12 | * This program is distributed in the hope that it will be useful, |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | * GNU General Public License for more details. |
| 16 | * |
aurel32 | fad6cb1 | 2009-01-04 22:05:52 +0000 | [diff] [blame] | 17 | * You should have received a copy of the GNU General Public License along |
| 18 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 19 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
balrog | e6a6d5a | 2008-09-29 00:40:44 +0000 | [diff] [blame] | 20 | */ |
| 21 | |
| 22 | #include "qemu-common.h" |
| 23 | #include "usb.h" |
| 24 | #include "net.h" |
| 25 | #include "bt.h" |
| 26 | |
| 27 | struct USBBtState { |
| 28 | USBDevice dev; |
| 29 | struct HCIInfo *hci; |
| 30 | |
| 31 | int altsetting; |
| 32 | int config; |
| 33 | |
| 34 | #define CFIFO_LEN_MASK 255 |
| 35 | #define DFIFO_LEN_MASK 4095 |
| 36 | struct usb_hci_in_fifo_s { |
| 37 | uint8_t data[(DFIFO_LEN_MASK + 1) * 2]; |
| 38 | struct { |
| 39 | uint8_t *data; |
| 40 | int len; |
| 41 | } fifo[CFIFO_LEN_MASK + 1]; |
| 42 | int dstart, dlen, dsize, start, len; |
| 43 | } evt, acl, sco; |
| 44 | |
| 45 | struct usb_hci_out_fifo_s { |
| 46 | uint8_t data[4096]; |
| 47 | int len; |
| 48 | } outcmd, outacl, outsco; |
| 49 | }; |
| 50 | |
| 51 | #define USB_EVT_EP 1 |
| 52 | #define USB_ACL_EP 2 |
| 53 | #define USB_SCO_EP 3 |
| 54 | |
| 55 | static const uint8_t qemu_bt_dev_descriptor[] = { |
| 56 | 0x12, /* u8 bLength; */ |
| 57 | USB_DT_DEVICE, /* u8 bDescriptorType; Device */ |
| 58 | 0x10, 0x01, /* u16 bcdUSB; v1.10 */ |
| 59 | |
| 60 | 0xe0, /* u8 bDeviceClass; Wireless */ |
| 61 | 0x01, /* u8 bDeviceSubClass; Radio Frequency */ |
| 62 | 0x01, /* u8 bDeviceProtocol; Bluetooth */ |
| 63 | 0x40, /* u8 bMaxPacketSize0; 64 Bytes */ |
| 64 | |
| 65 | 0x12, 0x0a, /* u16 idVendor; */ |
| 66 | 0x01, 0x00, /* u16 idProduct; Bluetooth Dongle (HCI mode) */ |
| 67 | 0x58, 0x19, /* u16 bcdDevice; (some devices have 0x48, 0x02) */ |
| 68 | |
| 69 | 0x00, /* u8 iManufacturer; */ |
| 70 | 0x00, /* u8 iProduct; */ |
| 71 | 0x00, /* u8 iSerialNumber; */ |
| 72 | 0x01, /* u8 bNumConfigurations; */ |
| 73 | }; |
| 74 | |
| 75 | static const uint8_t qemu_bt_config_descriptor[] = { |
| 76 | /* one configuration */ |
| 77 | 0x09, /* u8 bLength; */ |
| 78 | USB_DT_CONFIG, /* u8 bDescriptorType; */ |
| 79 | 0xb1, 0x00, /* u16 wTotalLength; */ |
| 80 | 0x02, /* u8 bNumInterfaces; (2) */ |
| 81 | 0x01, /* u8 bConfigurationValue; */ |
| 82 | 0x00, /* u8 iConfiguration; */ |
| 83 | 0xc0, /* u8 bmAttributes; |
| 84 | Bit 7: must be set, |
| 85 | 6: Self-powered, |
| 86 | 5: Remote wakeup, |
| 87 | 4..0: resvd */ |
| 88 | 0x00, /* u8 MaxPower; */ |
| 89 | |
| 90 | /* USB 1.1: |
| 91 | * USB 2.0, single TT organization (mandatory): |
| 92 | * one interface, protocol 0 |
| 93 | * |
| 94 | * USB 2.0, multiple TT organization (optional): |
| 95 | * two interfaces, protocols 1 (like single TT) |
| 96 | * and 2 (multiple TT mode) ... config is |
| 97 | * sometimes settable |
| 98 | * NOT IMPLEMENTED |
| 99 | */ |
| 100 | |
| 101 | /* interface one */ |
| 102 | 0x09, /* u8 if_bLength; */ |
| 103 | USB_DT_INTERFACE, /* u8 if_bDescriptorType; */ |
| 104 | 0x00, /* u8 if_bInterfaceNumber; */ |
| 105 | 0x00, /* u8 if_bAlternateSetting; */ |
| 106 | 0x03, /* u8 if_bNumEndpoints; */ |
| 107 | 0xe0, /* u8 if_bInterfaceClass; Wireless */ |
| 108 | 0x01, /* u8 if_bInterfaceSubClass; Radio Frequency */ |
| 109 | 0x01, /* u8 if_bInterfaceProtocol; Bluetooth */ |
| 110 | 0x00, /* u8 if_iInterface; */ |
| 111 | |
| 112 | /* endpoint one */ |
| 113 | 0x07, /* u8 ep_bLength; */ |
| 114 | USB_DT_ENDPOINT, /* u8 ep_bDescriptorType; */ |
| 115 | USB_DIR_IN | USB_EVT_EP, /* u8 ep_bEndpointAddress; */ |
| 116 | 0x03, /* u8 ep_bmAttributes; Interrupt */ |
| 117 | 0x10, 0x00, /* u16 ep_wMaxPacketSize; */ |
| 118 | 0x02, /* u8 ep_bInterval; */ |
| 119 | |
| 120 | /* endpoint two */ |
| 121 | 0x07, /* u8 ep_bLength; */ |
| 122 | USB_DT_ENDPOINT, /* u8 ep_bDescriptorType; */ |
| 123 | USB_DIR_OUT | USB_ACL_EP, /* u8 ep_bEndpointAddress; */ |
| 124 | 0x02, /* u8 ep_bmAttributes; Bulk */ |
| 125 | 0x40, 0x00, /* u16 ep_wMaxPacketSize; */ |
| 126 | 0x0a, /* u8 ep_bInterval; (255ms -- usb 2.0 spec) */ |
| 127 | |
| 128 | /* endpoint three */ |
| 129 | 0x07, /* u8 ep_bLength; */ |
| 130 | USB_DT_ENDPOINT, /* u8 ep_bDescriptorType; */ |
| 131 | USB_DIR_IN | USB_ACL_EP, /* u8 ep_bEndpointAddress; */ |
| 132 | 0x02, /* u8 ep_bmAttributes; Bulk */ |
| 133 | 0x40, 0x00, /* u16 ep_wMaxPacketSize; */ |
| 134 | 0x0a, /* u8 ep_bInterval; (255ms -- usb 2.0 spec) */ |
| 135 | |
| 136 | /* interface two setting one */ |
| 137 | 0x09, /* u8 if_bLength; */ |
| 138 | USB_DT_INTERFACE, /* u8 if_bDescriptorType; */ |
| 139 | 0x01, /* u8 if_bInterfaceNumber; */ |
| 140 | 0x00, /* u8 if_bAlternateSetting; */ |
| 141 | 0x02, /* u8 if_bNumEndpoints; */ |
| 142 | 0xe0, /* u8 if_bInterfaceClass; Wireless */ |
| 143 | 0x01, /* u8 if_bInterfaceSubClass; Radio Frequency */ |
| 144 | 0x01, /* u8 if_bInterfaceProtocol; Bluetooth */ |
| 145 | 0x00, /* u8 if_iInterface; */ |
| 146 | |
| 147 | /* endpoint one */ |
| 148 | 0x07, /* u8 ep_bLength; */ |
| 149 | USB_DT_ENDPOINT, /* u8 ep_bDescriptorType; */ |
| 150 | USB_DIR_OUT | USB_SCO_EP, /* u8 ep_bEndpointAddress; */ |
| 151 | 0x01, /* u8 ep_bmAttributes; Isochronous */ |
| 152 | 0x00, 0x00, /* u16 ep_wMaxPacketSize; */ |
| 153 | 0x01, /* u8 ep_bInterval; (255ms -- usb 2.0 spec) */ |
| 154 | |
| 155 | /* endpoint two */ |
| 156 | 0x07, /* u8 ep_bLength; */ |
| 157 | USB_DT_ENDPOINT, /* u8 ep_bDescriptorType; */ |
| 158 | USB_DIR_IN | USB_SCO_EP, /* u8 ep_bEndpointAddress; */ |
| 159 | 0x01, /* u8 ep_bmAttributes; Isochronous */ |
| 160 | 0x00, 0x00, /* u16 ep_wMaxPacketSize; */ |
| 161 | 0x01, /* u8 ep_bInterval; (255ms -- usb 2.0 spec) */ |
| 162 | |
| 163 | /* interface two setting two */ |
| 164 | 0x09, /* u8 if_bLength; */ |
| 165 | USB_DT_INTERFACE, /* u8 if_bDescriptorType; */ |
| 166 | 0x01, /* u8 if_bInterfaceNumber; */ |
| 167 | 0x01, /* u8 if_bAlternateSetting; */ |
| 168 | 0x02, /* u8 if_bNumEndpoints; */ |
| 169 | 0xe0, /* u8 if_bInterfaceClass; Wireless */ |
| 170 | 0x01, /* u8 if_bInterfaceSubClass; Radio Frequency */ |
| 171 | 0x01, /* u8 if_bInterfaceProtocol; Bluetooth */ |
| 172 | 0x00, /* u8 if_iInterface; */ |
| 173 | |
| 174 | /* endpoint one */ |
| 175 | 0x07, /* u8 ep_bLength; */ |
| 176 | USB_DT_ENDPOINT, /* u8 ep_bDescriptorType; */ |
| 177 | USB_DIR_OUT | USB_SCO_EP, /* u8 ep_bEndpointAddress; */ |
| 178 | 0x01, /* u8 ep_bmAttributes; Isochronous */ |
| 179 | 0x09, 0x00, /* u16 ep_wMaxPacketSize; */ |
| 180 | 0x01, /* u8 ep_bInterval; (255ms -- usb 2.0 spec) */ |
| 181 | |
| 182 | /* endpoint two */ |
| 183 | 0x07, /* u8 ep_bLength; */ |
| 184 | USB_DT_ENDPOINT, /* u8 ep_bDescriptorType; */ |
| 185 | USB_DIR_IN | USB_SCO_EP, /* u8 ep_bEndpointAddress; */ |
| 186 | 0x01, /* u8 ep_bmAttributes; Isochronous */ |
| 187 | 0x09, 0x00, /* u16 ep_wMaxPacketSize; */ |
| 188 | 0x01, /* u8 ep_bInterval; (255ms -- usb 2.0 spec) */ |
| 189 | |
| 190 | /* interface two setting three */ |
| 191 | 0x09, /* u8 if_bLength; */ |
| 192 | USB_DT_INTERFACE, /* u8 if_bDescriptorType; */ |
| 193 | 0x01, /* u8 if_bInterfaceNumber; */ |
| 194 | 0x02, /* u8 if_bAlternateSetting; */ |
| 195 | 0x02, /* u8 if_bNumEndpoints; */ |
| 196 | 0xe0, /* u8 if_bInterfaceClass; Wireless */ |
| 197 | 0x01, /* u8 if_bInterfaceSubClass; Radio Frequency */ |
| 198 | 0x01, /* u8 if_bInterfaceProtocol; Bluetooth */ |
| 199 | 0x00, /* u8 if_iInterface; */ |
| 200 | |
| 201 | /* endpoint one */ |
| 202 | 0x07, /* u8 ep_bLength; */ |
| 203 | USB_DT_ENDPOINT, /* u8 ep_bDescriptorType; */ |
| 204 | USB_DIR_OUT | USB_SCO_EP, /* u8 ep_bEndpointAddress; */ |
| 205 | 0x01, /* u8 ep_bmAttributes; Isochronous */ |
| 206 | 0x11, 0x00, /* u16 ep_wMaxPacketSize; */ |
| 207 | 0x01, /* u8 ep_bInterval; (255ms -- usb 2.0 spec) */ |
| 208 | |
| 209 | /* endpoint two */ |
| 210 | 0x07, /* u8 ep_bLength; */ |
| 211 | USB_DT_ENDPOINT, /* u8 ep_bDescriptorType; */ |
| 212 | USB_DIR_IN | USB_SCO_EP, /* u8 ep_bEndpointAddress; */ |
| 213 | 0x01, /* u8 ep_bmAttributes; Isochronous */ |
| 214 | 0x11, 0x00, /* u16 ep_wMaxPacketSize; */ |
| 215 | 0x01, /* u8 ep_bInterval; (255ms -- usb 2.0 spec) */ |
| 216 | |
| 217 | /* interface two setting four */ |
| 218 | 0x09, /* u8 if_bLength; */ |
| 219 | USB_DT_INTERFACE, /* u8 if_bDescriptorType; */ |
| 220 | 0x01, /* u8 if_bInterfaceNumber; */ |
| 221 | 0x03, /* u8 if_bAlternateSetting; */ |
| 222 | 0x02, /* u8 if_bNumEndpoints; */ |
| 223 | 0xe0, /* u8 if_bInterfaceClass; Wireless */ |
| 224 | 0x01, /* u8 if_bInterfaceSubClass; Radio Frequency */ |
| 225 | 0x01, /* u8 if_bInterfaceProtocol; Bluetooth */ |
| 226 | 0x00, /* u8 if_iInterface; */ |
| 227 | |
| 228 | /* endpoint one */ |
| 229 | 0x07, /* u8 ep_bLength; */ |
| 230 | USB_DT_ENDPOINT, /* u8 ep_bDescriptorType; */ |
| 231 | USB_DIR_OUT | USB_SCO_EP, /* u8 ep_bEndpointAddress; */ |
| 232 | 0x01, /* u8 ep_bmAttributes; Isochronous */ |
| 233 | 0x19, 0x00, /* u16 ep_wMaxPacketSize; */ |
| 234 | 0x01, /* u8 ep_bInterval; (255ms -- usb 2.0 spec) */ |
| 235 | |
| 236 | /* endpoint two */ |
| 237 | 0x07, /* u8 ep_bLength; */ |
| 238 | USB_DT_ENDPOINT, /* u8 ep_bDescriptorType; */ |
| 239 | USB_DIR_IN | USB_SCO_EP, /* u8 ep_bEndpointAddress; */ |
| 240 | 0x01, /* u8 ep_bmAttributes; Isochronous */ |
| 241 | 0x19, 0x00, /* u16 ep_wMaxPacketSize; */ |
| 242 | 0x01, /* u8 ep_bInterval; (255ms -- usb 2.0 spec) */ |
| 243 | |
| 244 | /* interface two setting five */ |
| 245 | 0x09, /* u8 if_bLength; */ |
| 246 | USB_DT_INTERFACE, /* u8 if_bDescriptorType; */ |
| 247 | 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 | |
| 255 | /* endpoint one */ |
| 256 | 0x07, /* u8 ep_bLength; */ |
| 257 | USB_DT_ENDPOINT, /* u8 ep_bDescriptorType; */ |
| 258 | USB_DIR_OUT | USB_SCO_EP, /* u8 ep_bEndpointAddress; */ |
| 259 | 0x01, /* u8 ep_bmAttributes; Isochronous */ |
| 260 | 0x21, 0x00, /* u16 ep_wMaxPacketSize; */ |
| 261 | 0x01, /* u8 ep_bInterval; (255ms -- usb 2.0 spec) */ |
| 262 | |
| 263 | /* endpoint two */ |
| 264 | 0x07, /* u8 ep_bLength; */ |
| 265 | USB_DT_ENDPOINT, /* u8 ep_bDescriptorType; */ |
| 266 | 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 | |
| 271 | /* 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 | |
| 290 | /* endpoint two */ |
| 291 | 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 | |
| 298 | /* 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 | |
blueswir1 | 511d2b1 | 2009-03-07 15:32:56 +0000 | [diff] [blame] | 615 | s->hci->opaque = NULL; |
| 616 | s->hci->evt_recv = NULL; |
| 617 | s->hci->acl_recv = NULL; |
balrog | e6a6d5a | 2008-09-29 00:40:44 +0000 | [diff] [blame] | 618 | qemu_free(s); |
| 619 | } |
| 620 | |
| 621 | USBDevice *usb_bt_init(HCIInfo *hci) |
| 622 | { |
| 623 | struct USBBtState *s; |
| 624 | |
balrog | 2d56469 | 2008-11-09 02:24:54 +0000 | [diff] [blame] | 625 | if (!hci) |
| 626 | return NULL; |
balrog | e6a6d5a | 2008-09-29 00:40:44 +0000 | [diff] [blame] | 627 | s = qemu_mallocz(sizeof(struct USBBtState)); |
balrog | e6a6d5a | 2008-09-29 00:40:44 +0000 | [diff] [blame] | 628 | s->dev.opaque = s; |
| 629 | s->dev.speed = USB_SPEED_HIGH; |
| 630 | s->dev.handle_packet = usb_generic_handle_packet; |
| 631 | pstrcpy(s->dev.devname, sizeof(s->dev.devname), "QEMU BT dongle"); |
| 632 | |
| 633 | s->dev.handle_reset = usb_bt_handle_reset; |
| 634 | s->dev.handle_control = usb_bt_handle_control; |
| 635 | s->dev.handle_data = usb_bt_handle_data; |
| 636 | s->dev.handle_destroy = usb_bt_handle_destroy; |
| 637 | |
| 638 | s->hci = hci; |
| 639 | s->hci->opaque = s; |
| 640 | s->hci->evt_recv = usb_bt_out_hci_packet_event; |
| 641 | s->hci->acl_recv = usb_bt_out_hci_packet_acl; |
| 642 | |
| 643 | usb_bt_handle_reset(&s->dev); |
| 644 | |
| 645 | return &s->dev; |
| 646 | } |