| 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
| 2 | /**************************************************************** |
| 3 | |
| 4 | Siano Mobile Silicon, Inc. |
| 5 | MDTV receiver kernel modules. |
| 6 | Copyright (C) 2005-2009, Uri Shkolnik, Anatoly Greenblat |
| 7 | |
| 8 | |
| 9 | ****************************************************************/ |
| 10 | |
| 11 | #include "smscoreapi.h" |
| 12 | |
| 13 | #include <linux/kernel.h> |
| 14 | #include <linux/init.h> |
| 15 | #include <linux/usb.h> |
| 16 | #include <linux/firmware.h> |
| 17 | #include <linux/slab.h> |
| 18 | #include <linux/module.h> |
| 19 | #include <media/media-device.h> |
| 20 | |
| 21 | #include "sms-cards.h" |
| 22 | #include "smsendian.h" |
| 23 | |
| 24 | #define USB1_BUFFER_SIZE 0x1000 |
| 25 | #define USB2_BUFFER_SIZE 0x2000 |
| 26 | |
| 27 | #define MAX_BUFFERS 50 |
| 28 | #define MAX_URBS 10 |
| 29 | |
| 30 | struct smsusb_device_t; |
| 31 | |
| 32 | enum smsusb_state { |
| 33 | SMSUSB_DISCONNECTED, |
| 34 | SMSUSB_SUSPENDED, |
| 35 | SMSUSB_ACTIVE |
| 36 | }; |
| 37 | |
| 38 | struct smsusb_urb_t { |
| 39 | struct list_head entry; |
| 40 | struct smscore_buffer_t *cb; |
| 41 | struct smsusb_device_t *dev; |
| 42 | |
| 43 | struct urb *urb; |
| 44 | |
| 45 | /* For the bottom half */ |
| 46 | struct work_struct wq; |
| 47 | }; |
| 48 | |
| 49 | struct smsusb_device_t { |
| 50 | struct usb_device *udev; |
| 51 | struct smscore_device_t *coredev; |
| 52 | |
| 53 | struct smsusb_urb_t surbs[MAX_URBS]; |
| 54 | |
| 55 | int response_alignment; |
| 56 | int buffer_size; |
| 57 | |
| 58 | unsigned char in_ep; |
| 59 | unsigned char out_ep; |
| 60 | enum smsusb_state state; |
| 61 | }; |
| 62 | |
| 63 | static int smsusb_submit_urb(struct smsusb_device_t *dev, |
| 64 | struct smsusb_urb_t *surb); |
| 65 | |
| 66 | /* |
| 67 | * Completing URB's callback handler - bottom half (process context) |
| 68 | * submits the URB prepared on smsusb_onresponse() |
| 69 | */ |
| 70 | static void do_submit_urb(struct work_struct *work) |
| 71 | { |
| 72 | struct smsusb_urb_t *surb = container_of(work, struct smsusb_urb_t, wq); |
| 73 | struct smsusb_device_t *dev = surb->dev; |
| 74 | |
| 75 | smsusb_submit_urb(dev, surb); |
| 76 | } |
| 77 | |
| 78 | /* |
| 79 | * Completing URB's callback handler - top half (interrupt context) |
| 80 | * adds completing sms urb to the global surbs list and activtes the worker |
| 81 | * thread the surb |
| 82 | * IMPORTANT - blocking functions must not be called from here !!! |
| 83 | |
| 84 | * @param urb pointer to a completing urb object |
| 85 | */ |
| 86 | static void smsusb_onresponse(struct urb *urb) |
| 87 | { |
| 88 | struct smsusb_urb_t *surb = (struct smsusb_urb_t *) urb->context; |
| 89 | struct smsusb_device_t *dev = surb->dev; |
| 90 | |
| 91 | if (urb->status == -ESHUTDOWN) { |
| 92 | pr_err("error, urb status %d (-ESHUTDOWN), %d bytes\n", |
| 93 | urb->status, urb->actual_length); |
| 94 | return; |
| 95 | } |
| 96 | |
| 97 | if ((urb->actual_length > 0) && (urb->status == 0)) { |
| 98 | struct sms_msg_hdr *phdr = (struct sms_msg_hdr *)surb->cb->p; |
| 99 | |
| 100 | smsendian_handle_message_header(phdr); |
| 101 | if (urb->actual_length >= phdr->msg_length) { |
| 102 | surb->cb->size = phdr->msg_length; |
| 103 | |
| 104 | if (dev->response_alignment && |
| 105 | (phdr->msg_flags & MSG_HDR_FLAG_SPLIT_MSG)) { |
| 106 | |
| 107 | surb->cb->offset = |
| 108 | dev->response_alignment + |
| 109 | ((phdr->msg_flags >> 8) & 3); |
| 110 | |
| 111 | /* sanity check */ |
| 112 | if (((int) phdr->msg_length + |
| 113 | surb->cb->offset) > urb->actual_length) { |
| 114 | pr_err("invalid response msglen %d offset %d size %d\n", |
| 115 | phdr->msg_length, |
| 116 | surb->cb->offset, |
| 117 | urb->actual_length); |
| 118 | goto exit_and_resubmit; |
| 119 | } |
| 120 | |
| 121 | /* move buffer pointer and |
| 122 | * copy header to its new location */ |
| 123 | memcpy((char *) phdr + surb->cb->offset, |
| 124 | phdr, sizeof(struct sms_msg_hdr)); |
| 125 | } else |
| 126 | surb->cb->offset = 0; |
| 127 | |
| 128 | pr_debug("received %s(%d) size: %d\n", |
| 129 | smscore_translate_msg(phdr->msg_type), |
| 130 | phdr->msg_type, phdr->msg_length); |
| 131 | |
| 132 | smsendian_handle_rx_message((struct sms_msg_data *) phdr); |
| 133 | |
| 134 | smscore_onresponse(dev->coredev, surb->cb); |
| 135 | surb->cb = NULL; |
| 136 | } else { |
| 137 | pr_err("invalid response msglen %d actual %d\n", |
| 138 | phdr->msg_length, urb->actual_length); |
| 139 | } |
| 140 | } else |
| 141 | pr_err("error, urb status %d, %d bytes\n", |
| 142 | urb->status, urb->actual_length); |
| 143 | |
| 144 | |
| 145 | exit_and_resubmit: |
| 146 | INIT_WORK(&surb->wq, do_submit_urb); |
| 147 | schedule_work(&surb->wq); |
| 148 | } |
| 149 | |
| 150 | static int smsusb_submit_urb(struct smsusb_device_t *dev, |
| 151 | struct smsusb_urb_t *surb) |
| 152 | { |
| 153 | if (!surb->cb) { |
| 154 | /* This function can sleep */ |
| 155 | surb->cb = smscore_getbuffer(dev->coredev); |
| 156 | if (!surb->cb) { |
| 157 | pr_err("smscore_getbuffer(...) returned NULL\n"); |
| 158 | return -ENOMEM; |
| 159 | } |
| 160 | } |
| 161 | |
| 162 | usb_fill_bulk_urb( |
| 163 | surb->urb, |
| 164 | dev->udev, |
| 165 | usb_rcvbulkpipe(dev->udev, dev->in_ep), |
| 166 | surb->cb->p, |
| 167 | dev->buffer_size, |
| 168 | smsusb_onresponse, |
| 169 | surb |
| 170 | ); |
| 171 | surb->urb->transfer_flags |= URB_FREE_BUFFER; |
| 172 | |
| 173 | return usb_submit_urb(surb->urb, GFP_ATOMIC); |
| 174 | } |
| 175 | |
| 176 | static void smsusb_stop_streaming(struct smsusb_device_t *dev) |
| 177 | { |
| 178 | int i; |
| 179 | |
| 180 | for (i = 0; i < MAX_URBS; i++) { |
| 181 | usb_kill_urb(dev->surbs[i].urb); |
| 182 | if (dev->surbs[i].wq.func) |
| 183 | cancel_work_sync(&dev->surbs[i].wq); |
| 184 | |
| 185 | if (dev->surbs[i].cb) { |
| 186 | smscore_putbuffer(dev->coredev, dev->surbs[i].cb); |
| 187 | dev->surbs[i].cb = NULL; |
| 188 | } |
| 189 | } |
| 190 | } |
| 191 | |
| 192 | static int smsusb_start_streaming(struct smsusb_device_t *dev) |
| 193 | { |
| 194 | int i, rc; |
| 195 | |
| 196 | for (i = 0; i < MAX_URBS; i++) { |
| 197 | rc = smsusb_submit_urb(dev, &dev->surbs[i]); |
| 198 | if (rc < 0) { |
| 199 | pr_err("smsusb_submit_urb(...) failed\n"); |
| 200 | smsusb_stop_streaming(dev); |
| 201 | break; |
| 202 | } |
| 203 | } |
| 204 | |
| 205 | return rc; |
| 206 | } |
| 207 | |
| 208 | static int smsusb_sendrequest(void *context, void *buffer, size_t size) |
| 209 | { |
| 210 | struct smsusb_device_t *dev = (struct smsusb_device_t *) context; |
| 211 | struct sms_msg_hdr *phdr; |
| 212 | int dummy, ret; |
| 213 | |
| 214 | if (dev->state != SMSUSB_ACTIVE) { |
| 215 | pr_debug("Device not active yet\n"); |
| 216 | return -ENOENT; |
| 217 | } |
| 218 | |
| 219 | phdr = kmemdup(buffer, size, GFP_KERNEL); |
| 220 | if (!phdr) |
| 221 | return -ENOMEM; |
| 222 | |
| 223 | pr_debug("sending %s(%d) size: %d\n", |
| 224 | smscore_translate_msg(phdr->msg_type), phdr->msg_type, |
| 225 | phdr->msg_length); |
| 226 | |
| 227 | smsendian_handle_tx_message((struct sms_msg_data *) phdr); |
| 228 | smsendian_handle_message_header((struct sms_msg_hdr *)phdr); |
| 229 | ret = usb_bulk_msg(dev->udev, usb_sndbulkpipe(dev->udev, 2), |
| 230 | phdr, size, &dummy, 1000); |
| 231 | |
| 232 | kfree(phdr); |
| 233 | return ret; |
| 234 | } |
| 235 | |
| 236 | static char *smsusb1_fw_lkup[] = { |
| 237 | "dvbt_stellar_usb.inp", |
| 238 | "dvbh_stellar_usb.inp", |
| 239 | "tdmb_stellar_usb.inp", |
| 240 | "none", |
| 241 | "dvbt_bda_stellar_usb.inp", |
| 242 | }; |
| 243 | |
| 244 | static inline char *sms_get_fw_name(int mode, int board_id) |
| 245 | { |
| 246 | char **fw = sms_get_board(board_id)->fw; |
| 247 | return (fw && fw[mode]) ? fw[mode] : smsusb1_fw_lkup[mode]; |
| 248 | } |
| 249 | |
| 250 | static int smsusb1_load_firmware(struct usb_device *udev, int id, int board_id) |
| 251 | { |
| 252 | const struct firmware *fw; |
| 253 | u8 *fw_buffer; |
| 254 | int rc, dummy; |
| 255 | char *fw_filename; |
| 256 | |
| 257 | if (id < 0) |
| 258 | id = sms_get_board(board_id)->default_mode; |
| 259 | |
| 260 | if (id < DEVICE_MODE_DVBT || id > DEVICE_MODE_DVBT_BDA) { |
| 261 | pr_err("invalid firmware id specified %d\n", id); |
| 262 | return -EINVAL; |
| 263 | } |
| 264 | |
| 265 | fw_filename = sms_get_fw_name(id, board_id); |
| 266 | |
| 267 | rc = request_firmware(&fw, fw_filename, &udev->dev); |
| 268 | if (rc < 0) { |
| 269 | pr_warn("failed to open '%s' mode %d, trying again with default firmware\n", |
| 270 | fw_filename, id); |
| 271 | |
| 272 | fw_filename = smsusb1_fw_lkup[id]; |
| 273 | rc = request_firmware(&fw, fw_filename, &udev->dev); |
| 274 | if (rc < 0) { |
| 275 | pr_warn("failed to open '%s' mode %d\n", |
| 276 | fw_filename, id); |
| 277 | |
| 278 | return rc; |
| 279 | } |
| 280 | } |
| 281 | |
| 282 | fw_buffer = kmemdup(fw->data, fw->size, GFP_KERNEL); |
| 283 | if (fw_buffer) { |
| 284 | rc = usb_bulk_msg(udev, usb_sndbulkpipe(udev, 2), |
| 285 | fw_buffer, fw->size, &dummy, 1000); |
| 286 | |
| 287 | pr_debug("sent %zu(%d) bytes, rc %d\n", fw->size, dummy, rc); |
| 288 | |
| 289 | kfree(fw_buffer); |
| 290 | } else { |
| 291 | pr_err("failed to allocate firmware buffer\n"); |
| 292 | rc = -ENOMEM; |
| 293 | } |
| 294 | pr_debug("read FW %s, size=%zu\n", fw_filename, fw->size); |
| 295 | |
| 296 | release_firmware(fw); |
| 297 | |
| 298 | return rc; |
| 299 | } |
| 300 | |
| 301 | static void smsusb1_detectmode(void *context, int *mode) |
| 302 | { |
| 303 | char *product_string = |
| 304 | ((struct smsusb_device_t *) context)->udev->product; |
| 305 | |
| 306 | *mode = DEVICE_MODE_NONE; |
| 307 | |
| 308 | if (!product_string) { |
| 309 | product_string = "none"; |
| 310 | pr_err("product string not found\n"); |
| 311 | } else if (strstr(product_string, "DVBH")) |
| 312 | *mode = 1; |
| 313 | else if (strstr(product_string, "BDA")) |
| 314 | *mode = 4; |
| 315 | else if (strstr(product_string, "DVBT")) |
| 316 | *mode = 0; |
| 317 | else if (strstr(product_string, "TDMB")) |
| 318 | *mode = 2; |
| 319 | |
| 320 | pr_debug("%d \"%s\"\n", *mode, product_string); |
| 321 | } |
| 322 | |
| 323 | static int smsusb1_setmode(void *context, int mode) |
| 324 | { |
| 325 | struct sms_msg_hdr msg = { MSG_SW_RELOAD_REQ, 0, HIF_TASK, |
| 326 | sizeof(struct sms_msg_hdr), 0 }; |
| 327 | |
| 328 | if (mode < DEVICE_MODE_DVBT || mode > DEVICE_MODE_DVBT_BDA) { |
| 329 | pr_err("invalid firmware id specified %d\n", mode); |
| 330 | return -EINVAL; |
| 331 | } |
| 332 | |
| 333 | return smsusb_sendrequest(context, &msg, sizeof(msg)); |
| 334 | } |
| 335 | |
| 336 | static void smsusb_term_device(struct usb_interface *intf) |
| 337 | { |
| 338 | struct smsusb_device_t *dev = usb_get_intfdata(intf); |
| 339 | |
| 340 | if (dev) { |
| 341 | int i; |
| 342 | |
| 343 | dev->state = SMSUSB_DISCONNECTED; |
| 344 | |
| 345 | smsusb_stop_streaming(dev); |
| 346 | |
| 347 | /* unregister from smscore */ |
| 348 | if (dev->coredev) |
| 349 | smscore_unregister_device(dev->coredev); |
| 350 | |
| 351 | for (i = 0; i < MAX_URBS; i++) |
| 352 | usb_free_urb(dev->surbs[i].urb); |
| 353 | |
| 354 | pr_debug("device 0x%p destroyed\n", dev); |
| 355 | kfree(dev); |
| 356 | } |
| 357 | |
| 358 | usb_set_intfdata(intf, NULL); |
| 359 | } |
| 360 | |
| 361 | static void *siano_media_device_register(struct smsusb_device_t *dev, |
| 362 | int board_id) |
| 363 | { |
| 364 | #ifdef CONFIG_MEDIA_CONTROLLER_DVB |
| 365 | struct media_device *mdev; |
| 366 | struct usb_device *udev = dev->udev; |
| 367 | struct sms_board *board = sms_get_board(board_id); |
| 368 | int ret; |
| 369 | |
| 370 | mdev = kzalloc(sizeof(*mdev), GFP_KERNEL); |
| 371 | if (!mdev) |
| 372 | return NULL; |
| 373 | |
| 374 | media_device_usb_init(mdev, udev, board->name); |
| 375 | |
| 376 | ret = media_device_register(mdev); |
| 377 | if (ret) { |
| 378 | media_device_cleanup(mdev); |
| 379 | kfree(mdev); |
| 380 | return NULL; |
| 381 | } |
| 382 | |
| 383 | pr_info("media controller created\n"); |
| 384 | |
| 385 | return mdev; |
| 386 | #else |
| 387 | return NULL; |
| 388 | #endif |
| 389 | } |
| 390 | |
| 391 | static int smsusb_init_device(struct usb_interface *intf, int board_id) |
| 392 | { |
| 393 | struct smsdevice_params_t params; |
| 394 | struct smsusb_device_t *dev; |
| 395 | void *mdev; |
| 396 | int i, rc; |
| 397 | int align = 0; |
| 398 | |
| 399 | /* create device object */ |
| 400 | dev = kzalloc(sizeof(struct smsusb_device_t), GFP_KERNEL); |
| 401 | if (!dev) |
| 402 | return -ENOMEM; |
| 403 | |
| 404 | memset(¶ms, 0, sizeof(params)); |
| 405 | usb_set_intfdata(intf, dev); |
| 406 | dev->udev = interface_to_usbdev(intf); |
| 407 | dev->state = SMSUSB_DISCONNECTED; |
| 408 | |
| 409 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { |
| 410 | struct usb_endpoint_descriptor *desc = |
| 411 | &intf->cur_altsetting->endpoint[i].desc; |
| 412 | |
| 413 | if (desc->bEndpointAddress & USB_DIR_IN) { |
| 414 | dev->in_ep = desc->bEndpointAddress; |
| 415 | align = usb_endpoint_maxp(desc) - sizeof(struct sms_msg_hdr); |
| 416 | } else { |
| 417 | dev->out_ep = desc->bEndpointAddress; |
| 418 | } |
| 419 | } |
| 420 | |
| 421 | pr_debug("in_ep = %02x, out_ep = %02x\n", dev->in_ep, dev->out_ep); |
| 422 | if (!dev->in_ep || !dev->out_ep || align < 0) { /* Missing endpoints? */ |
| 423 | smsusb_term_device(intf); |
| 424 | return -ENODEV; |
| 425 | } |
| 426 | |
| 427 | params.device_type = sms_get_board(board_id)->type; |
| 428 | |
| 429 | switch (params.device_type) { |
| 430 | case SMS_STELLAR: |
| 431 | dev->buffer_size = USB1_BUFFER_SIZE; |
| 432 | |
| 433 | params.setmode_handler = smsusb1_setmode; |
| 434 | params.detectmode_handler = smsusb1_detectmode; |
| 435 | break; |
| 436 | case SMS_UNKNOWN_TYPE: |
| 437 | pr_err("Unspecified sms device type!\n"); |
| 438 | fallthrough; |
| 439 | default: |
| 440 | dev->buffer_size = USB2_BUFFER_SIZE; |
| 441 | dev->response_alignment = align; |
| 442 | |
| 443 | params.flags |= SMS_DEVICE_FAMILY2; |
| 444 | break; |
| 445 | } |
| 446 | |
| 447 | params.device = &dev->udev->dev; |
| 448 | params.usb_device = dev->udev; |
| 449 | params.buffer_size = dev->buffer_size; |
| 450 | params.num_buffers = MAX_BUFFERS; |
| 451 | params.sendrequest_handler = smsusb_sendrequest; |
| 452 | params.context = dev; |
| 453 | usb_make_path(dev->udev, params.devpath, sizeof(params.devpath)); |
| 454 | |
| 455 | mdev = siano_media_device_register(dev, board_id); |
| 456 | |
| 457 | /* register in smscore */ |
| 458 | rc = smscore_register_device(¶ms, &dev->coredev, 0, mdev); |
| 459 | if (rc < 0) { |
| 460 | pr_err("smscore_register_device(...) failed, rc %d\n", rc); |
| 461 | goto err_unregister_device; |
| 462 | } |
| 463 | |
| 464 | smscore_set_board_id(dev->coredev, board_id); |
| 465 | |
| 466 | dev->coredev->is_usb_device = true; |
| 467 | |
| 468 | /* initialize urbs */ |
| 469 | for (i = 0; i < MAX_URBS; i++) { |
| 470 | dev->surbs[i].dev = dev; |
| 471 | dev->surbs[i].urb = usb_alloc_urb(0, GFP_KERNEL); |
| 472 | if (!dev->surbs[i].urb) |
| 473 | goto err_unregister_device; |
| 474 | } |
| 475 | |
| 476 | pr_debug("smsusb_start_streaming(...).\n"); |
| 477 | rc = smsusb_start_streaming(dev); |
| 478 | if (rc < 0) { |
| 479 | pr_err("smsusb_start_streaming(...) failed\n"); |
| 480 | goto err_unregister_device; |
| 481 | } |
| 482 | |
| 483 | dev->state = SMSUSB_ACTIVE; |
| 484 | |
| 485 | rc = smscore_start_device(dev->coredev); |
| 486 | if (rc < 0) { |
| 487 | pr_err("smscore_start_device(...) failed\n"); |
| 488 | goto err_unregister_device; |
| 489 | } |
| 490 | |
| 491 | pr_debug("device 0x%p created\n", dev); |
| 492 | |
| 493 | return rc; |
| 494 | |
| 495 | err_unregister_device: |
| 496 | /* smsusb_term_device() frees any allocated urb. */ |
| 497 | smsusb_term_device(intf); |
| 498 | #ifdef CONFIG_MEDIA_CONTROLLER_DVB |
| 499 | media_device_unregister(mdev); |
| 500 | #endif |
| 501 | kfree(mdev); |
| 502 | return rc; |
| 503 | } |
| 504 | |
| 505 | static int smsusb_probe(struct usb_interface *intf, |
| 506 | const struct usb_device_id *id) |
| 507 | { |
| 508 | struct usb_device *udev = interface_to_usbdev(intf); |
| 509 | char devpath[32]; |
| 510 | int i, rc; |
| 511 | |
| 512 | pr_info("board id=%lu, interface number %d\n", |
| 513 | id->driver_info, |
| 514 | intf->cur_altsetting->desc.bInterfaceNumber); |
| 515 | |
| 516 | if (sms_get_board(id->driver_info)->intf_num != |
| 517 | intf->cur_altsetting->desc.bInterfaceNumber) { |
| 518 | pr_debug("interface %d won't be used. Expecting interface %d to popup\n", |
| 519 | intf->cur_altsetting->desc.bInterfaceNumber, |
| 520 | sms_get_board(id->driver_info)->intf_num); |
| 521 | return -ENODEV; |
| 522 | } |
| 523 | |
| 524 | if (intf->num_altsetting > 1) { |
| 525 | rc = usb_set_interface(udev, |
| 526 | intf->cur_altsetting->desc.bInterfaceNumber, |
| 527 | 0); |
| 528 | if (rc < 0) { |
| 529 | pr_err("usb_set_interface failed, rc %d\n", rc); |
| 530 | return rc; |
| 531 | } |
| 532 | } |
| 533 | |
| 534 | pr_debug("smsusb_probe %d\n", |
| 535 | intf->cur_altsetting->desc.bInterfaceNumber); |
| 536 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { |
| 537 | pr_debug("endpoint %d %02x %02x %d\n", i, |
| 538 | intf->cur_altsetting->endpoint[i].desc.bEndpointAddress, |
| 539 | intf->cur_altsetting->endpoint[i].desc.bmAttributes, |
| 540 | intf->cur_altsetting->endpoint[i].desc.wMaxPacketSize); |
| 541 | if (intf->cur_altsetting->endpoint[i].desc.bEndpointAddress & |
| 542 | USB_DIR_IN) |
| 543 | rc = usb_clear_halt(udev, usb_rcvbulkpipe(udev, |
| 544 | intf->cur_altsetting->endpoint[i].desc.bEndpointAddress)); |
| 545 | else |
| 546 | rc = usb_clear_halt(udev, usb_sndbulkpipe(udev, |
| 547 | intf->cur_altsetting->endpoint[i].desc.bEndpointAddress)); |
| 548 | } |
| 549 | if ((udev->actconfig->desc.bNumInterfaces == 2) && |
| 550 | (intf->cur_altsetting->desc.bInterfaceNumber == 0)) { |
| 551 | pr_debug("rom interface 0 is not used\n"); |
| 552 | return -ENODEV; |
| 553 | } |
| 554 | |
| 555 | if (id->driver_info == SMS1XXX_BOARD_SIANO_STELLAR_ROM) { |
| 556 | /* Detected a Siano Stellar uninitialized */ |
| 557 | |
| 558 | snprintf(devpath, sizeof(devpath), "usb\\%d-%s", |
| 559 | udev->bus->busnum, udev->devpath); |
| 560 | pr_info("stellar device in cold state was found at %s.\n", |
| 561 | devpath); |
| 562 | rc = smsusb1_load_firmware( |
| 563 | udev, smscore_registry_getmode(devpath), |
| 564 | id->driver_info); |
| 565 | |
| 566 | /* This device will reset and gain another USB ID */ |
| 567 | if (!rc) |
| 568 | pr_info("stellar device now in warm state\n"); |
| 569 | else |
| 570 | pr_err("Failed to put stellar in warm state. Error: %d\n", |
| 571 | rc); |
| 572 | |
| 573 | return rc; |
| 574 | } else { |
| 575 | rc = smsusb_init_device(intf, id->driver_info); |
| 576 | } |
| 577 | |
| 578 | pr_info("Device initialized with return code %d\n", rc); |
| 579 | sms_board_load_modules(id->driver_info); |
| 580 | return rc; |
| 581 | } |
| 582 | |
| 583 | static void smsusb_disconnect(struct usb_interface *intf) |
| 584 | { |
| 585 | smsusb_term_device(intf); |
| 586 | } |
| 587 | |
| 588 | static int smsusb_suspend(struct usb_interface *intf, pm_message_t msg) |
| 589 | { |
| 590 | struct smsusb_device_t *dev = usb_get_intfdata(intf); |
| 591 | printk(KERN_INFO "%s Entering status %d.\n", __func__, msg.event); |
| 592 | dev->state = SMSUSB_SUSPENDED; |
| 593 | /*smscore_set_power_mode(dev, SMS_POWER_MODE_SUSPENDED);*/ |
| 594 | smsusb_stop_streaming(dev); |
| 595 | return 0; |
| 596 | } |
| 597 | |
| 598 | static int smsusb_resume(struct usb_interface *intf) |
| 599 | { |
| 600 | int rc, i; |
| 601 | struct smsusb_device_t *dev = usb_get_intfdata(intf); |
| 602 | struct usb_device *udev = interface_to_usbdev(intf); |
| 603 | |
| 604 | printk(KERN_INFO "%s Entering.\n", __func__); |
| 605 | usb_clear_halt(udev, usb_rcvbulkpipe(udev, dev->in_ep)); |
| 606 | usb_clear_halt(udev, usb_sndbulkpipe(udev, dev->out_ep)); |
| 607 | |
| 608 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) |
| 609 | printk(KERN_INFO "endpoint %d %02x %02x %d\n", i, |
| 610 | intf->cur_altsetting->endpoint[i].desc.bEndpointAddress, |
| 611 | intf->cur_altsetting->endpoint[i].desc.bmAttributes, |
| 612 | intf->cur_altsetting->endpoint[i].desc.wMaxPacketSize); |
| 613 | |
| 614 | if (intf->num_altsetting > 0) { |
| 615 | rc = usb_set_interface(udev, |
| 616 | intf->cur_altsetting->desc. |
| 617 | bInterfaceNumber, 0); |
| 618 | if (rc < 0) { |
| 619 | printk(KERN_INFO "%s usb_set_interface failed, rc %d\n", |
| 620 | __func__, rc); |
| 621 | return rc; |
| 622 | } |
| 623 | } |
| 624 | |
| 625 | smsusb_start_streaming(dev); |
| 626 | return 0; |
| 627 | } |
| 628 | |
| 629 | static const struct usb_device_id smsusb_id_table[] = { |
| 630 | /* This device is only present before firmware load */ |
| 631 | { USB_DEVICE(0x187f, 0x0010), |
| 632 | .driver_info = SMS1XXX_BOARD_SIANO_STELLAR_ROM }, |
| 633 | /* This device pops up after firmware load */ |
| 634 | { USB_DEVICE(0x187f, 0x0100), |
| 635 | .driver_info = SMS1XXX_BOARD_SIANO_STELLAR }, |
| 636 | |
| 637 | { USB_DEVICE(0x187f, 0x0200), |
| 638 | .driver_info = SMS1XXX_BOARD_SIANO_NOVA_A }, |
| 639 | { USB_DEVICE(0x187f, 0x0201), |
| 640 | .driver_info = SMS1XXX_BOARD_SIANO_NOVA_B }, |
| 641 | { USB_DEVICE(0x187f, 0x0300), |
| 642 | .driver_info = SMS1XXX_BOARD_SIANO_VEGA }, |
| 643 | { USB_DEVICE(0x2040, 0x1700), |
| 644 | .driver_info = SMS1XXX_BOARD_HAUPPAUGE_CATAMOUNT }, |
| 645 | { USB_DEVICE(0x2040, 0x1800), |
| 646 | .driver_info = SMS1XXX_BOARD_HAUPPAUGE_OKEMO_A }, |
| 647 | { USB_DEVICE(0x2040, 0x1801), |
| 648 | .driver_info = SMS1XXX_BOARD_HAUPPAUGE_OKEMO_B }, |
| 649 | { USB_DEVICE(0x2040, 0x2000), |
| 650 | .driver_info = SMS1XXX_BOARD_HAUPPAUGE_TIGER_MINICARD }, |
| 651 | { USB_DEVICE(0x2040, 0x2009), |
| 652 | .driver_info = SMS1XXX_BOARD_HAUPPAUGE_TIGER_MINICARD_R2 }, |
| 653 | { USB_DEVICE(0x2040, 0x200a), |
| 654 | .driver_info = SMS1XXX_BOARD_HAUPPAUGE_TIGER_MINICARD }, |
| 655 | { USB_DEVICE(0x2040, 0x2010), |
| 656 | .driver_info = SMS1XXX_BOARD_HAUPPAUGE_TIGER_MINICARD }, |
| 657 | { USB_DEVICE(0x2040, 0x2011), |
| 658 | .driver_info = SMS1XXX_BOARD_HAUPPAUGE_TIGER_MINICARD }, |
| 659 | { USB_DEVICE(0x2040, 0x2019), |
| 660 | .driver_info = SMS1XXX_BOARD_HAUPPAUGE_TIGER_MINICARD }, |
| 661 | { USB_DEVICE(0x2040, 0x5500), |
| 662 | .driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM }, |
| 663 | { USB_DEVICE(0x2040, 0x5510), |
| 664 | .driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM }, |
| 665 | { USB_DEVICE(0x2040, 0x5520), |
| 666 | .driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM }, |
| 667 | { USB_DEVICE(0x2040, 0x5530), |
| 668 | .driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM }, |
| 669 | { USB_DEVICE(0x2040, 0x5580), |
| 670 | .driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM }, |
| 671 | { USB_DEVICE(0x2040, 0x5590), |
| 672 | .driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM }, |
| 673 | { USB_DEVICE(0x2040, 0xb900), |
| 674 | .driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM }, |
| 675 | { USB_DEVICE(0x2040, 0xb910), |
| 676 | .driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM }, |
| 677 | { USB_DEVICE(0x2040, 0xb980), |
| 678 | .driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM }, |
| 679 | { USB_DEVICE(0x2040, 0xb990), |
| 680 | .driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM }, |
| 681 | { USB_DEVICE(0x2040, 0xc000), |
| 682 | .driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM }, |
| 683 | { USB_DEVICE(0x2040, 0xc010), |
| 684 | .driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM }, |
| 685 | { USB_DEVICE(0x2040, 0xc080), |
| 686 | .driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM }, |
| 687 | { USB_DEVICE(0x2040, 0xc090), |
| 688 | .driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM }, |
| 689 | { USB_DEVICE(0x2040, 0xc0a0), |
| 690 | .driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM }, |
| 691 | { USB_DEVICE(0x2040, 0xf5a0), |
| 692 | .driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM }, |
| 693 | { USB_DEVICE(0x187f, 0x0202), |
| 694 | .driver_info = SMS1XXX_BOARD_SIANO_NICE }, |
| 695 | { USB_DEVICE(0x187f, 0x0301), |
| 696 | .driver_info = SMS1XXX_BOARD_SIANO_VENICE }, |
| 697 | { USB_DEVICE(0x187f, 0x0302), |
| 698 | .driver_info = SMS1XXX_BOARD_SIANO_VENICE }, |
| 699 | { USB_DEVICE(0x187f, 0x0310), |
| 700 | .driver_info = SMS1XXX_BOARD_SIANO_MING }, |
| 701 | { USB_DEVICE(0x187f, 0x0500), |
| 702 | .driver_info = SMS1XXX_BOARD_SIANO_PELE }, |
| 703 | { USB_DEVICE(0x187f, 0x0600), |
| 704 | .driver_info = SMS1XXX_BOARD_SIANO_RIO }, |
| 705 | { USB_DEVICE(0x187f, 0x0700), |
| 706 | .driver_info = SMS1XXX_BOARD_SIANO_DENVER_2160 }, |
| 707 | { USB_DEVICE(0x187f, 0x0800), |
| 708 | .driver_info = SMS1XXX_BOARD_SIANO_DENVER_1530 }, |
| 709 | { USB_DEVICE(0x19D2, 0x0086), |
| 710 | .driver_info = SMS1XXX_BOARD_ZTE_DVB_DATA_CARD }, |
| 711 | { USB_DEVICE(0x19D2, 0x0078), |
| 712 | .driver_info = SMS1XXX_BOARD_ONDA_MDTV_DATA_CARD }, |
| 713 | { USB_DEVICE(0x3275, 0x0080), |
| 714 | .driver_info = SMS1XXX_BOARD_SIANO_RIO }, |
| 715 | { USB_DEVICE(0x2013, 0x0257), |
| 716 | .driver_info = SMS1XXX_BOARD_PCTV_77E }, |
| 717 | { } /* Terminating entry */ |
| 718 | }; |
| 719 | |
| 720 | MODULE_DEVICE_TABLE(usb, smsusb_id_table); |
| 721 | |
| 722 | static struct usb_driver smsusb_driver = { |
| 723 | .name = "smsusb", |
| 724 | .probe = smsusb_probe, |
| 725 | .disconnect = smsusb_disconnect, |
| 726 | .id_table = smsusb_id_table, |
| 727 | |
| 728 | .suspend = smsusb_suspend, |
| 729 | .resume = smsusb_resume, |
| 730 | }; |
| 731 | |
| 732 | module_usb_driver(smsusb_driver); |
| 733 | |
| 734 | MODULE_DESCRIPTION("Driver for the Siano SMS1xxx USB dongle"); |
| 735 | MODULE_AUTHOR("Siano Mobile Silicon, Inc. <uris@siano-ms.com>"); |
| 736 | MODULE_LICENSE("GPL"); |