1 /* DVB USB compliant Linux driver for the TwinhanDTV StarBox USB2.0 DVB-S 2 * receiver. 3 * 4 * Copyright (C) 2005 Ralph Metzler <rjkm@metzlerbros.de> 5 * Metzler Brothers Systementwicklung GbR 6 * 7 * Copyright (C) 2005 Patrick Boettcher <patrick.boettcher@posteo.de> 8 * 9 * Thanks to Twinhan who kindly provided hardware and information. 10 * 11 * This program is free software; you can redistribute it and/or modify it 12 * under the terms of the GNU General Public License as published by the Free 13 * Software Foundation, version 2. 14 * 15 * see Documentation/media/dvb-drivers/dvb-usb.rst for more information 16 */ 17 #include "vp702x.h" 18 #include <linux/mutex.h> 19 20 /* debug */ 21 int dvb_usb_vp702x_debug; 22 module_param_named(debug,dvb_usb_vp702x_debug, int, 0644); 23 MODULE_PARM_DESC(debug, "set debugging level (1=info,xfer=2,rc=4 (or-able))." DVB_USB_DEBUG_STATUS); 24 25 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); 26 27 struct vp702x_adapter_state { 28 int pid_filter_count; 29 int pid_filter_can_bypass; 30 u8 pid_filter_state; 31 }; 32 33 static int vp702x_usb_in_op_unlocked(struct dvb_usb_device *d, u8 req, 34 u16 value, u16 index, u8 *b, int blen) 35 { 36 int ret; 37 38 ret = usb_control_msg(d->udev, 39 usb_rcvctrlpipe(d->udev, 0), 40 req, 41 USB_TYPE_VENDOR | USB_DIR_IN, 42 value, index, b, blen, 43 2000); 44 45 if (ret < 0) { 46 warn("usb in operation failed. (%d)", ret); 47 ret = -EIO; 48 } else 49 ret = 0; 50 51 52 deb_xfer("in: req. %02x, val: %04x, ind: %04x, buffer: ",req,value,index); 53 debug_dump(b,blen,deb_xfer); 54 55 return ret; 56 } 57 58 int vp702x_usb_in_op(struct dvb_usb_device *d, u8 req, u16 value, 59 u16 index, u8 *b, int blen) 60 { 61 int ret; 62 63 mutex_lock(&d->usb_mutex); 64 ret = vp702x_usb_in_op_unlocked(d, req, value, index, b, blen); 65 mutex_unlock(&d->usb_mutex); 66 67 return ret; 68 } 69 70 static int vp702x_usb_out_op_unlocked(struct dvb_usb_device *d, u8 req, 71 u16 value, u16 index, u8 *b, int blen) 72 { 73 int ret; 74 deb_xfer("out: req. %02x, val: %04x, ind: %04x, buffer: ",req,value,index); 75 debug_dump(b,blen,deb_xfer); 76 77 if ((ret = usb_control_msg(d->udev, 78 usb_sndctrlpipe(d->udev,0), 79 req, 80 USB_TYPE_VENDOR | USB_DIR_OUT, 81 value,index,b,blen, 82 2000)) != blen) { 83 warn("usb out operation failed. (%d)",ret); 84 return -EIO; 85 } else 86 return 0; 87 } 88 89 static int vp702x_usb_out_op(struct dvb_usb_device *d, u8 req, u16 value, 90 u16 index, u8 *b, int blen) 91 { 92 int ret; 93 94 mutex_lock(&d->usb_mutex); 95 ret = vp702x_usb_out_op_unlocked(d, req, value, index, b, blen); 96 mutex_unlock(&d->usb_mutex); 97 98 return ret; 99 } 100 101 int vp702x_usb_inout_op(struct dvb_usb_device *d, u8 *o, int olen, u8 *i, int ilen, int msec) 102 { 103 int ret; 104 105 if ((ret = mutex_lock_interruptible(&d->usb_mutex))) 106 return ret; 107 108 ret = vp702x_usb_out_op_unlocked(d, REQUEST_OUT, 0, 0, o, olen); 109 msleep(msec); 110 ret = vp702x_usb_in_op_unlocked(d, REQUEST_IN, 0, 0, i, ilen); 111 112 mutex_unlock(&d->usb_mutex); 113 return ret; 114 } 115 116 static int vp702x_usb_inout_cmd(struct dvb_usb_device *d, u8 cmd, u8 *o, 117 int olen, u8 *i, int ilen, int msec) 118 { 119 struct vp702x_device_state *st = d->priv; 120 int ret = 0; 121 u8 *buf; 122 int buflen = max(olen + 2, ilen + 1); 123 124 ret = mutex_lock_interruptible(&st->buf_mutex); 125 if (ret < 0) 126 return ret; 127 128 if (buflen > st->buf_len) { 129 buf = kmalloc(buflen, GFP_KERNEL); 130 if (!buf) { 131 mutex_unlock(&st->buf_mutex); 132 return -ENOMEM; 133 } 134 info("successfully reallocated a bigger buffer"); 135 kfree(st->buf); 136 st->buf = buf; 137 st->buf_len = buflen; 138 } else { 139 buf = st->buf; 140 } 141 142 buf[0] = 0x00; 143 buf[1] = cmd; 144 memcpy(&buf[2], o, olen); 145 146 ret = vp702x_usb_inout_op(d, buf, olen+2, buf, ilen+1, msec); 147 148 if (ret == 0) 149 memcpy(i, &buf[1], ilen); 150 mutex_unlock(&st->buf_mutex); 151 152 return ret; 153 } 154 155 static int vp702x_set_pld_mode(struct dvb_usb_adapter *adap, u8 bypass) 156 { 157 int ret; 158 struct vp702x_device_state *st = adap->dev->priv; 159 u8 *buf; 160 161 mutex_lock(&st->buf_mutex); 162 163 buf = st->buf; 164 memset(buf, 0, 16); 165 166 ret = vp702x_usb_in_op(adap->dev, 0xe0, (bypass << 8) | 0x0e, 167 0, buf, 16); 168 mutex_unlock(&st->buf_mutex); 169 return ret; 170 } 171 172 static int vp702x_set_pld_state(struct dvb_usb_adapter *adap, u8 state) 173 { 174 int ret; 175 struct vp702x_device_state *st = adap->dev->priv; 176 u8 *buf; 177 178 mutex_lock(&st->buf_mutex); 179 180 buf = st->buf; 181 memset(buf, 0, 16); 182 ret = vp702x_usb_in_op(adap->dev, 0xe0, (state << 8) | 0x0f, 183 0, buf, 16); 184 185 mutex_unlock(&st->buf_mutex); 186 187 return ret; 188 } 189 190 static int vp702x_set_pid(struct dvb_usb_adapter *adap, u16 pid, u8 id, int onoff) 191 { 192 struct vp702x_adapter_state *st = adap->priv; 193 struct vp702x_device_state *dst = adap->dev->priv; 194 u8 *buf; 195 196 if (onoff) 197 st->pid_filter_state |= (1 << id); 198 else { 199 st->pid_filter_state &= ~(1 << id); 200 pid = 0xffff; 201 } 202 203 id = 0x10 + id*2; 204 205 vp702x_set_pld_state(adap, st->pid_filter_state); 206 207 mutex_lock(&dst->buf_mutex); 208 209 buf = dst->buf; 210 memset(buf, 0, 16); 211 vp702x_usb_in_op(adap->dev, 0xe0, (((pid >> 8) & 0xff) << 8) | (id), 0, buf, 16); 212 vp702x_usb_in_op(adap->dev, 0xe0, (((pid ) & 0xff) << 8) | (id+1), 0, buf, 16); 213 214 mutex_unlock(&dst->buf_mutex); 215 216 return 0; 217 } 218 219 220 static int vp702x_init_pid_filter(struct dvb_usb_adapter *adap) 221 { 222 struct vp702x_adapter_state *st = adap->priv; 223 struct vp702x_device_state *dst = adap->dev->priv; 224 int i; 225 u8 *b; 226 227 st->pid_filter_count = 8; 228 st->pid_filter_can_bypass = 1; 229 st->pid_filter_state = 0x00; 230 231 vp702x_set_pld_mode(adap, 1); /* bypass */ 232 233 for (i = 0; i < st->pid_filter_count; i++) 234 vp702x_set_pid(adap, 0xffff, i, 1); 235 236 mutex_lock(&dst->buf_mutex); 237 b = dst->buf; 238 memset(b, 0, 10); 239 vp702x_usb_in_op(adap->dev, 0xb5, 3, 0, b, 10); 240 vp702x_usb_in_op(adap->dev, 0xb5, 0, 0, b, 10); 241 vp702x_usb_in_op(adap->dev, 0xb5, 1, 0, b, 10); 242 mutex_unlock(&dst->buf_mutex); 243 /*vp702x_set_pld_mode(d, 0); // filter */ 244 245 return 0; 246 } 247 248 static int vp702x_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff) 249 { 250 return 0; 251 } 252 253 /* keys for the enclosed remote control */ 254 static struct rc_map_table rc_map_vp702x_table[] = { 255 { 0x0001, KEY_1 }, 256 { 0x0002, KEY_2 }, 257 }; 258 259 /* remote control stuff (does not work with my box) */ 260 static int vp702x_rc_query(struct dvb_usb_device *d, u32 *event, int *state) 261 { 262 /* remove the following return to enabled remote querying */ 263 #if 0 264 u8 *key; 265 int i; 266 267 key = kmalloc(10, GFP_KERNEL); 268 if (!key) 269 return -ENOMEM; 270 271 vp702x_usb_in_op(d,READ_REMOTE_REQ,0,0,key,10); 272 273 deb_rc("remote query key: %x %d\n",key[1],key[1]); 274 275 if (key[1] == 0x44) { 276 *state = REMOTE_NO_KEY_PRESSED; 277 kfree(key); 278 return 0; 279 } 280 281 for (i = 0; i < ARRAY_SIZE(rc_map_vp702x_table); i++) 282 if (rc5_custom(&rc_map_vp702x_table[i]) == key[1]) { 283 *state = REMOTE_KEY_PRESSED; 284 *event = rc_map_vp702x_table[i].keycode; 285 break; 286 } 287 kfree(key); 288 #endif 289 290 return 0; 291 } 292 293 294 static int vp702x_read_mac_addr(struct dvb_usb_device *d,u8 mac[6]) 295 { 296 u8 i, *buf; 297 struct vp702x_device_state *st = d->priv; 298 299 mutex_lock(&st->buf_mutex); 300 buf = st->buf; 301 for (i = 6; i < 12; i++) 302 vp702x_usb_in_op(d, READ_EEPROM_REQ, i, 1, &buf[i - 6], 1); 303 304 memcpy(mac, buf, 6); 305 mutex_unlock(&st->buf_mutex); 306 return 0; 307 } 308 309 static int vp702x_frontend_attach(struct dvb_usb_adapter *adap) 310 { 311 u8 buf[10] = { 0 }; 312 313 vp702x_usb_out_op(adap->dev, SET_TUNER_POWER_REQ, 0, 7, NULL, 0); 314 315 if (vp702x_usb_inout_cmd(adap->dev, GET_SYSTEM_STRING, NULL, 0, 316 buf, 10, 10)) 317 return -EIO; 318 319 buf[9] = '\0'; 320 info("system string: %s",&buf[1]); 321 322 vp702x_init_pid_filter(adap); 323 324 adap->fe_adap[0].fe = vp702x_fe_attach(adap->dev); 325 vp702x_usb_out_op(adap->dev, SET_TUNER_POWER_REQ, 1, 7, NULL, 0); 326 327 return 0; 328 } 329 330 static struct dvb_usb_device_properties vp702x_properties; 331 332 static int vp702x_usb_probe(struct usb_interface *intf, 333 const struct usb_device_id *id) 334 { 335 struct dvb_usb_device *d; 336 struct vp702x_device_state *st; 337 int ret; 338 339 ret = dvb_usb_device_init(intf, &vp702x_properties, 340 THIS_MODULE, &d, adapter_nr); 341 if (ret) 342 goto out; 343 344 st = d->priv; 345 st->buf_len = 16; 346 st->buf = kmalloc(st->buf_len, GFP_KERNEL); 347 if (!st->buf) { 348 ret = -ENOMEM; 349 dvb_usb_device_exit(intf); 350 goto out; 351 } 352 mutex_init(&st->buf_mutex); 353 354 out: 355 return ret; 356 357 } 358 359 static void vp702x_usb_disconnect(struct usb_interface *intf) 360 { 361 struct dvb_usb_device *d = usb_get_intfdata(intf); 362 struct vp702x_device_state *st = d->priv; 363 mutex_lock(&st->buf_mutex); 364 kfree(st->buf); 365 mutex_unlock(&st->buf_mutex); 366 dvb_usb_device_exit(intf); 367 } 368 369 static struct usb_device_id vp702x_usb_table [] = { 370 { USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_TWINHAN_VP7021_COLD) }, 371 // { USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_TWINHAN_VP7020_COLD) }, 372 // { USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_TWINHAN_VP7020_WARM) }, 373 { 0 }, 374 }; 375 MODULE_DEVICE_TABLE(usb, vp702x_usb_table); 376 377 static struct dvb_usb_device_properties vp702x_properties = { 378 .usb_ctrl = CYPRESS_FX2, 379 .firmware = "dvb-usb-vp702x-02.fw", 380 .no_reconnect = 1, 381 382 .size_of_priv = sizeof(struct vp702x_device_state), 383 384 .num_adapters = 1, 385 .adapter = { 386 { 387 .num_frontends = 1, 388 .fe = {{ 389 .caps = DVB_USB_ADAP_RECEIVES_204_BYTE_TS, 390 391 .streaming_ctrl = vp702x_streaming_ctrl, 392 .frontend_attach = vp702x_frontend_attach, 393 394 /* parameter for the MPEG2-data transfer */ 395 .stream = { 396 .type = USB_BULK, 397 .count = 10, 398 .endpoint = 0x02, 399 .u = { 400 .bulk = { 401 .buffersize = 4096, 402 } 403 } 404 }, 405 }}, 406 .size_of_priv = sizeof(struct vp702x_adapter_state), 407 } 408 }, 409 .read_mac_address = vp702x_read_mac_addr, 410 411 .rc.legacy = { 412 .rc_map_table = rc_map_vp702x_table, 413 .rc_map_size = ARRAY_SIZE(rc_map_vp702x_table), 414 .rc_interval = 400, 415 .rc_query = vp702x_rc_query, 416 }, 417 418 .num_device_descs = 1, 419 .devices = { 420 { .name = "TwinhanDTV StarBox DVB-S USB2.0 (VP7021)", 421 .cold_ids = { &vp702x_usb_table[0], NULL }, 422 .warm_ids = { NULL }, 423 }, 424 /* { .name = "TwinhanDTV StarBox DVB-S USB2.0 (VP7020)", 425 .cold_ids = { &vp702x_usb_table[2], NULL }, 426 .warm_ids = { &vp702x_usb_table[3], NULL }, 427 }, 428 */ { NULL }, 429 } 430 }; 431 432 /* usb specific object needed to register this driver with the usb subsystem */ 433 static struct usb_driver vp702x_usb_driver = { 434 .name = "dvb_usb_vp702x", 435 .probe = vp702x_usb_probe, 436 .disconnect = vp702x_usb_disconnect, 437 .id_table = vp702x_usb_table, 438 }; 439 440 module_usb_driver(vp702x_usb_driver); 441 442 MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@posteo.de>"); 443 MODULE_DESCRIPTION("Driver for Twinhan StarBox DVB-S USB2.0 and clones"); 444 MODULE_VERSION("1.0"); 445 MODULE_LICENSE("GPL"); 446