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739ff04f PB |
1 | /* |
2 | * Linux driver for Technisat DVB-S/S2 USB 2.0 device | |
3 | * | |
4 | * Copyright (C) 2010 Patrick Boettcher, | |
5 | * Kernel Labs Inc. PO Box 745, St James, NY 11780 | |
6 | * | |
7 | * Development was sponsored by Technisat Digital UK Limited, whose | |
8 | * registered office is Witan Gate House 500 - 600 Witan Gate West, | |
9 | * Milton Keynes, MK9 1SH | |
10 | * | |
11 | * This program is free software; you can redistribute it and/or | |
12 | * modify it under the terms of the GNU General Public License as | |
13 | * published by the Free Software Foundation; either version 2 of the | |
14 | * License, or (at your option) any later version. | |
15 | * | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program; if not, write to the Free Software | |
19 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
20 | * | |
21 | * THIS PROGRAM IS PROVIDED "AS IS" AND BOTH THE COPYRIGHT HOLDER AND | |
22 | * TECHNISAT DIGITAL UK LTD DISCLAIM ALL WARRANTIES WITH REGARD TO | |
23 | * THIS PROGRAM INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY OR | |
24 | * FITNESS FOR A PARTICULAR PURPOSE. NEITHER THE COPYRIGHT HOLDER | |
25 | * NOR TECHNISAT DIGITAL UK LIMITED SHALL BE LIABLE FOR ANY SPECIAL, | |
26 | * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER | |
27 | * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION | |
28 | * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR | |
29 | * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS PROGRAM. See the | |
30 | * GNU General Public License for more details. | |
31 | */ | |
32 | ||
33 | #define DVB_USB_LOG_PREFIX "technisat-usb2" | |
34 | #include "dvb-usb.h" | |
35 | ||
36 | #include "stv6110x.h" | |
37 | #include "stv090x.h" | |
38 | ||
39 | /* module parameters */ | |
40 | DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); | |
41 | ||
42 | static int debug; | |
43 | module_param(debug, int, 0644); | |
44 | MODULE_PARM_DESC(debug, | |
45 | "set debugging level (bit-mask: 1=info,2=eeprom,4=i2c,8=rc)." \ | |
46 | DVB_USB_DEBUG_STATUS); | |
47 | ||
48 | /* disables all LED control command and | |
49 | * also does not start the signal polling thread */ | |
50 | static int disable_led_control; | |
51 | module_param(disable_led_control, int, 0444); | |
52 | MODULE_PARM_DESC(disable_led_control, | |
53 | "disable LED control of the device " | |
54 | "(default: 0 - LED control is active)."); | |
55 | ||
56 | /* device private data */ | |
57 | struct technisat_usb2_state { | |
58 | struct dvb_usb_device *dev; | |
59 | struct delayed_work green_led_work; | |
60 | u8 power_state; | |
61 | ||
62 | u16 last_scan_code; | |
63 | }; | |
64 | ||
65 | /* debug print helpers */ | |
66 | #define deb_info(args...) dprintk(debug, 0x01, args) | |
67 | #define deb_eeprom(args...) dprintk(debug, 0x02, args) | |
68 | #define deb_i2c(args...) dprintk(debug, 0x04, args) | |
69 | #define deb_rc(args...) dprintk(debug, 0x08, args) | |
70 | ||
71 | /* vendor requests */ | |
72 | #define SET_IFCLK_TO_EXTERNAL_TSCLK_VENDOR_REQUEST 0xB3 | |
73 | #define SET_FRONT_END_RESET_VENDOR_REQUEST 0xB4 | |
74 | #define GET_VERSION_INFO_VENDOR_REQUEST 0xB5 | |
75 | #define SET_GREEN_LED_VENDOR_REQUEST 0xB6 | |
76 | #define SET_RED_LED_VENDOR_REQUEST 0xB7 | |
77 | #define GET_IR_DATA_VENDOR_REQUEST 0xB8 | |
78 | #define SET_LED_TIMER_DIVIDER_VENDOR_REQUEST 0xB9 | |
79 | #define SET_USB_REENUMERATION 0xBA | |
80 | ||
81 | /* i2c-access methods */ | |
82 | #define I2C_SPEED_100KHZ_BIT 0x40 | |
83 | ||
84 | #define I2C_STATUS_NAK 7 | |
85 | #define I2C_STATUS_OK 8 | |
86 | ||
87 | static int technisat_usb2_i2c_access(struct usb_device *udev, | |
88 | u8 device_addr, u8 *tx, u8 txlen, u8 *rx, u8 rxlen) | |
89 | { | |
90 | u8 b[64]; | |
91 | int ret, actual_length; | |
92 | ||
93 | deb_i2c("i2c-access: %02x, tx: ", device_addr); | |
94 | debug_dump(tx, txlen, deb_i2c); | |
95 | deb_i2c(" "); | |
96 | ||
97 | if (txlen > 62) { | |
98 | err("i2c TX buffer can't exceed 62 bytes (dev 0x%02x)", | |
99 | device_addr); | |
100 | txlen = 62; | |
101 | } | |
102 | if (rxlen > 62) { | |
103 | err("i2c RX buffer can't exceed 62 bytes (dev 0x%02x)", | |
104 | device_addr); | |
648ad154 | 105 | rxlen = 62; |
739ff04f PB |
106 | } |
107 | ||
108 | b[0] = I2C_SPEED_100KHZ_BIT; | |
109 | b[1] = device_addr << 1; | |
110 | ||
111 | if (rx != NULL) { | |
112 | b[0] |= rxlen; | |
113 | b[1] |= 1; | |
114 | } | |
115 | ||
116 | memcpy(&b[2], tx, txlen); | |
117 | ret = usb_bulk_msg(udev, | |
118 | usb_sndbulkpipe(udev, 0x01), | |
119 | b, 2 + txlen, | |
120 | NULL, 1000); | |
121 | ||
122 | if (ret < 0) { | |
123 | err("i2c-error: out failed %02x = %d", device_addr, ret); | |
124 | return -ENODEV; | |
125 | } | |
126 | ||
127 | ret = usb_bulk_msg(udev, | |
128 | usb_rcvbulkpipe(udev, 0x01), | |
129 | b, 64, &actual_length, 1000); | |
130 | if (ret < 0) { | |
131 | err("i2c-error: in failed %02x = %d", device_addr, ret); | |
132 | return -ENODEV; | |
133 | } | |
134 | ||
135 | if (b[0] != I2C_STATUS_OK) { | |
136 | err("i2c-error: %02x = %d", device_addr, b[0]); | |
137 | /* handle tuner-i2c-nak */ | |
138 | if (!(b[0] == I2C_STATUS_NAK && | |
139 | device_addr == 0x60 | |
140 | /* && device_is_technisat_usb2 */)) | |
141 | return -ENODEV; | |
142 | } | |
143 | ||
144 | deb_i2c("status: %d, ", b[0]); | |
145 | ||
146 | if (rx != NULL) { | |
147 | memcpy(rx, &b[2], rxlen); | |
148 | ||
149 | deb_i2c("rx (%d): ", rxlen); | |
150 | debug_dump(rx, rxlen, deb_i2c); | |
151 | } | |
152 | ||
153 | deb_i2c("\n"); | |
154 | ||
155 | return 0; | |
156 | } | |
157 | ||
158 | static int technisat_usb2_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg *msg, | |
159 | int num) | |
160 | { | |
161 | int ret = 0, i; | |
162 | struct dvb_usb_device *d = i2c_get_adapdata(adap); | |
163 | ||
164 | /* Ensure nobody else hits the i2c bus while we're sending our | |
165 | sequence of messages, (such as the remote control thread) */ | |
166 | if (mutex_lock_interruptible(&d->i2c_mutex) < 0) | |
167 | return -EAGAIN; | |
168 | ||
169 | for (i = 0; i < num; i++) { | |
170 | if (i+1 < num && msg[i+1].flags & I2C_M_RD) { | |
171 | ret = technisat_usb2_i2c_access(d->udev, msg[i+1].addr, | |
172 | msg[i].buf, msg[i].len, | |
173 | msg[i+1].buf, msg[i+1].len); | |
174 | if (ret != 0) | |
175 | break; | |
176 | i++; | |
177 | } else { | |
178 | ret = technisat_usb2_i2c_access(d->udev, msg[i].addr, | |
179 | msg[i].buf, msg[i].len, | |
180 | NULL, 0); | |
181 | if (ret != 0) | |
182 | break; | |
183 | } | |
184 | } | |
185 | ||
186 | if (ret == 0) | |
187 | ret = i; | |
188 | ||
189 | mutex_unlock(&d->i2c_mutex); | |
190 | ||
191 | return ret; | |
192 | } | |
193 | ||
194 | static u32 technisat_usb2_i2c_func(struct i2c_adapter *adapter) | |
195 | { | |
196 | return I2C_FUNC_I2C; | |
197 | } | |
198 | ||
199 | static struct i2c_algorithm technisat_usb2_i2c_algo = { | |
200 | .master_xfer = technisat_usb2_i2c_xfer, | |
201 | .functionality = technisat_usb2_i2c_func, | |
202 | }; | |
203 | ||
204 | #if 0 | |
205 | static void technisat_usb2_frontend_reset(struct usb_device *udev) | |
206 | { | |
207 | usb_control_msg(udev, usb_sndctrlpipe(udev, 0), | |
208 | SET_FRONT_END_RESET_VENDOR_REQUEST, | |
209 | USB_TYPE_VENDOR | USB_DIR_OUT, | |
210 | 10, 0, | |
211 | NULL, 0, 500); | |
212 | } | |
213 | #endif | |
214 | ||
215 | /* LED control */ | |
216 | enum technisat_usb2_led_state { | |
fff287bb LR |
217 | TECH_LED_OFF, |
218 | TECH_LED_BLINK, | |
219 | TECH_LED_ON, | |
220 | TECH_LED_UNDEFINED | |
739ff04f PB |
221 | }; |
222 | ||
223 | static int technisat_usb2_set_led(struct dvb_usb_device *d, int red, enum technisat_usb2_led_state state) | |
224 | { | |
225 | int ret; | |
226 | ||
227 | u8 led[8] = { | |
228 | red ? SET_RED_LED_VENDOR_REQUEST : SET_GREEN_LED_VENDOR_REQUEST, | |
229 | 0 | |
230 | }; | |
231 | ||
fff287bb | 232 | if (disable_led_control && state != TECH_LED_OFF) |
739ff04f PB |
233 | return 0; |
234 | ||
235 | switch (state) { | |
fff287bb | 236 | case TECH_LED_ON: |
739ff04f PB |
237 | led[1] = 0x82; |
238 | break; | |
fff287bb | 239 | case TECH_LED_BLINK: |
739ff04f PB |
240 | led[1] = 0x82; |
241 | if (red) { | |
242 | led[2] = 0x02; | |
243 | led[3] = 10; | |
244 | led[4] = 10; | |
245 | } else { | |
246 | led[2] = 0xff; | |
247 | led[3] = 50; | |
248 | led[4] = 50; | |
249 | } | |
250 | led[5] = 1; | |
251 | break; | |
252 | ||
253 | default: | |
fff287bb | 254 | case TECH_LED_OFF: |
739ff04f PB |
255 | led[1] = 0x80; |
256 | break; | |
257 | } | |
258 | ||
259 | if (mutex_lock_interruptible(&d->i2c_mutex) < 0) | |
260 | return -EAGAIN; | |
261 | ||
262 | ret = usb_control_msg(d->udev, usb_sndctrlpipe(d->udev, 0), | |
263 | red ? SET_RED_LED_VENDOR_REQUEST : SET_GREEN_LED_VENDOR_REQUEST, | |
264 | USB_TYPE_VENDOR | USB_DIR_OUT, | |
265 | 0, 0, | |
266 | led, sizeof(led), 500); | |
267 | ||
268 | mutex_unlock(&d->i2c_mutex); | |
269 | return ret; | |
270 | } | |
271 | ||
272 | static int technisat_usb2_set_led_timer(struct dvb_usb_device *d, u8 red, u8 green) | |
273 | { | |
274 | int ret; | |
275 | u8 b = 0; | |
276 | ||
277 | if (mutex_lock_interruptible(&d->i2c_mutex) < 0) | |
278 | return -EAGAIN; | |
279 | ||
280 | ret = usb_control_msg(d->udev, usb_sndctrlpipe(d->udev, 0), | |
281 | SET_LED_TIMER_DIVIDER_VENDOR_REQUEST, | |
282 | USB_TYPE_VENDOR | USB_DIR_OUT, | |
283 | (red << 8) | green, 0, | |
284 | &b, 1, 500); | |
285 | ||
286 | mutex_unlock(&d->i2c_mutex); | |
287 | ||
288 | return ret; | |
289 | } | |
290 | ||
291 | static void technisat_usb2_green_led_control(struct work_struct *work) | |
292 | { | |
293 | struct technisat_usb2_state *state = | |
294 | container_of(work, struct technisat_usb2_state, green_led_work.work); | |
77eed219 | 295 | struct dvb_frontend *fe = state->dev->adapter[0].fe_adap[0].fe; |
739ff04f PB |
296 | |
297 | if (state->power_state == 0) | |
298 | goto schedule; | |
299 | ||
300 | if (fe != NULL) { | |
301 | enum fe_status status; | |
302 | ||
303 | if (fe->ops.read_status(fe, &status) != 0) | |
304 | goto schedule; | |
305 | ||
306 | if (status & FE_HAS_LOCK) { | |
307 | u32 ber; | |
308 | ||
309 | if (fe->ops.read_ber(fe, &ber) != 0) | |
310 | goto schedule; | |
311 | ||
312 | if (ber > 1000) | |
fff287bb | 313 | technisat_usb2_set_led(state->dev, 0, TECH_LED_BLINK); |
739ff04f | 314 | else |
fff287bb | 315 | technisat_usb2_set_led(state->dev, 0, TECH_LED_ON); |
739ff04f | 316 | } else |
fff287bb | 317 | technisat_usb2_set_led(state->dev, 0, TECH_LED_OFF); |
739ff04f PB |
318 | } |
319 | ||
320 | schedule: | |
321 | schedule_delayed_work(&state->green_led_work, | |
322 | msecs_to_jiffies(500)); | |
323 | } | |
324 | ||
325 | /* method to find out whether the firmware has to be downloaded or not */ | |
326 | static int technisat_usb2_identify_state(struct usb_device *udev, | |
327 | struct dvb_usb_device_properties *props, | |
328 | struct dvb_usb_device_description **desc, int *cold) | |
329 | { | |
330 | int ret; | |
331 | u8 version[3]; | |
332 | ||
333 | /* first select the interface */ | |
1f075d1f | 334 | if (usb_set_interface(udev, 0, 1) != 0) |
739ff04f | 335 | err("could not set alternate setting to 0"); |
1f075d1f | 336 | else |
739ff04f | 337 | info("set alternate setting"); |
739ff04f PB |
338 | |
339 | *cold = 0; /* by default do not download a firmware - just in case something is wrong */ | |
340 | ||
341 | ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), | |
342 | GET_VERSION_INFO_VENDOR_REQUEST, | |
343 | USB_TYPE_VENDOR | USB_DIR_IN, | |
344 | 0, 0, | |
345 | version, sizeof(version), 500); | |
346 | ||
347 | if (ret < 0) | |
348 | *cold = 1; | |
349 | else { | |
350 | info("firmware version: %d.%d", version[1], version[2]); | |
351 | *cold = 0; | |
352 | } | |
353 | ||
354 | return 0; | |
355 | } | |
356 | ||
357 | /* power control */ | |
358 | static int technisat_usb2_power_ctrl(struct dvb_usb_device *d, int level) | |
359 | { | |
360 | struct technisat_usb2_state *state = d->priv; | |
361 | ||
362 | state->power_state = level; | |
363 | ||
364 | if (disable_led_control) | |
365 | return 0; | |
366 | ||
367 | /* green led is turned off in any case - will be turned on when tuning */ | |
fff287bb | 368 | technisat_usb2_set_led(d, 0, TECH_LED_OFF); |
739ff04f | 369 | /* red led is turned on all the time */ |
fff287bb | 370 | technisat_usb2_set_led(d, 1, TECH_LED_ON); |
739ff04f PB |
371 | return 0; |
372 | } | |
373 | ||
374 | /* mac address reading - from the eeprom */ | |
375 | #if 0 | |
376 | static void technisat_usb2_eeprom_dump(struct dvb_usb_device *d) | |
377 | { | |
378 | u8 reg; | |
379 | u8 b[16]; | |
1f075d1f | 380 | int i, j; |
739ff04f PB |
381 | |
382 | /* full EEPROM dump */ | |
383 | for (j = 0; j < 256 * 4; j += 16) { | |
384 | reg = j; | |
385 | if (technisat_usb2_i2c_access(d->udev, 0x50 + j / 256, ®, 1, b, 16) != 0) | |
386 | break; | |
387 | ||
388 | deb_eeprom("EEPROM: %01x%02x: ", j / 256, reg); | |
389 | for (i = 0; i < 16; i++) | |
390 | deb_eeprom("%02x ", b[i]); | |
391 | deb_eeprom("\n"); | |
392 | } | |
393 | } | |
394 | #endif | |
395 | ||
396 | static u8 technisat_usb2_calc_lrc(const u8 *b, u16 length) | |
397 | { | |
398 | u8 lrc = 0; | |
399 | while (--length) | |
400 | lrc ^= *b++; | |
401 | return lrc; | |
402 | } | |
403 | ||
404 | static int technisat_usb2_eeprom_lrc_read(struct dvb_usb_device *d, | |
405 | u16 offset, u8 *b, u16 length, u8 tries) | |
406 | { | |
407 | u8 bo = offset & 0xff; | |
408 | struct i2c_msg msg[] = { | |
409 | { | |
410 | .addr = 0x50 | ((offset >> 8) & 0x3), | |
411 | .buf = &bo, | |
412 | .len = 1 | |
413 | }, { | |
414 | .addr = 0x50 | ((offset >> 8) & 0x3), | |
415 | .flags = I2C_M_RD, | |
416 | .buf = b, | |
417 | .len = length | |
418 | } | |
419 | }; | |
420 | ||
421 | while (tries--) { | |
422 | int status; | |
423 | ||
424 | if (i2c_transfer(&d->i2c_adap, msg, 2) != 2) | |
425 | break; | |
426 | ||
427 | status = | |
428 | technisat_usb2_calc_lrc(b, length - 1) == b[length - 1]; | |
429 | ||
430 | if (status) | |
431 | return 0; | |
432 | } | |
433 | ||
434 | return -EREMOTEIO; | |
435 | } | |
436 | ||
437 | #define EEPROM_MAC_START 0x3f8 | |
438 | #define EEPROM_MAC_TOTAL 8 | |
439 | static int technisat_usb2_read_mac_address(struct dvb_usb_device *d, | |
440 | u8 mac[]) | |
441 | { | |
442 | u8 buf[EEPROM_MAC_TOTAL]; | |
443 | ||
444 | if (technisat_usb2_eeprom_lrc_read(d, EEPROM_MAC_START, | |
445 | buf, EEPROM_MAC_TOTAL, 4) != 0) | |
446 | return -ENODEV; | |
447 | ||
448 | memcpy(mac, buf, 6); | |
449 | return 0; | |
450 | } | |
451 | ||
a2ea5561 MCC |
452 | static struct stv090x_config technisat_usb2_stv090x_config; |
453 | ||
739ff04f PB |
454 | /* frontend attach */ |
455 | static int technisat_usb2_set_voltage(struct dvb_frontend *fe, | |
456 | fe_sec_voltage_t voltage) | |
457 | { | |
458 | int i; | |
459 | u8 gpio[3] = { 0 }; /* 0 = 2, 1 = 3, 2 = 4 */ | |
460 | ||
461 | gpio[2] = 1; /* high - voltage ? */ | |
462 | ||
463 | switch (voltage) { | |
464 | case SEC_VOLTAGE_13: | |
465 | gpio[0] = 1; | |
466 | break; | |
467 | case SEC_VOLTAGE_18: | |
468 | gpio[0] = 1; | |
469 | gpio[1] = 1; | |
470 | break; | |
471 | default: | |
472 | case SEC_VOLTAGE_OFF: | |
473 | break; | |
474 | } | |
475 | ||
476 | for (i = 0; i < 3; i++) | |
a2ea5561 MCC |
477 | if (technisat_usb2_stv090x_config.set_gpio(fe, i+2, 0, |
478 | gpio[i], 0) != 0) | |
739ff04f PB |
479 | return -EREMOTEIO; |
480 | return 0; | |
481 | } | |
482 | ||
483 | static struct stv090x_config technisat_usb2_stv090x_config = { | |
484 | .device = STV0903, | |
485 | .demod_mode = STV090x_SINGLE, | |
486 | .clk_mode = STV090x_CLK_EXT, | |
487 | ||
488 | .xtal = 8000000, | |
489 | .address = 0x68, | |
490 | ||
491 | .ts1_mode = STV090x_TSMODE_DVBCI, | |
492 | .ts1_clk = 13400000, | |
493 | .ts1_tei = 1, | |
494 | ||
495 | .repeater_level = STV090x_RPTLEVEL_64, | |
496 | ||
497 | .tuner_bbgain = 6, | |
498 | }; | |
499 | ||
500 | static struct stv6110x_config technisat_usb2_stv6110x_config = { | |
1f075d1f MCC |
501 | .addr = 0x60, |
502 | .refclk = 16000000, | |
503 | .clk_div = 2, | |
739ff04f PB |
504 | }; |
505 | ||
506 | static int technisat_usb2_frontend_attach(struct dvb_usb_adapter *a) | |
507 | { | |
508 | struct usb_device *udev = a->dev->udev; | |
509 | int ret; | |
510 | ||
77eed219 | 511 | a->fe_adap[0].fe = dvb_attach(stv090x_attach, &technisat_usb2_stv090x_config, |
739ff04f PB |
512 | &a->dev->i2c_adap, STV090x_DEMODULATOR_0); |
513 | ||
77eed219 | 514 | if (a->fe_adap[0].fe) { |
739ff04f PB |
515 | struct stv6110x_devctl *ctl; |
516 | ||
517 | ctl = dvb_attach(stv6110x_attach, | |
77eed219 | 518 | a->fe_adap[0].fe, |
739ff04f PB |
519 | &technisat_usb2_stv6110x_config, |
520 | &a->dev->i2c_adap); | |
521 | ||
522 | if (ctl) { | |
523 | technisat_usb2_stv090x_config.tuner_init = ctl->tuner_init; | |
524 | technisat_usb2_stv090x_config.tuner_sleep = ctl->tuner_sleep; | |
525 | technisat_usb2_stv090x_config.tuner_set_mode = ctl->tuner_set_mode; | |
526 | technisat_usb2_stv090x_config.tuner_set_frequency = ctl->tuner_set_frequency; | |
527 | technisat_usb2_stv090x_config.tuner_get_frequency = ctl->tuner_get_frequency; | |
528 | technisat_usb2_stv090x_config.tuner_set_bandwidth = ctl->tuner_set_bandwidth; | |
529 | technisat_usb2_stv090x_config.tuner_get_bandwidth = ctl->tuner_get_bandwidth; | |
530 | technisat_usb2_stv090x_config.tuner_set_bbgain = ctl->tuner_set_bbgain; | |
531 | technisat_usb2_stv090x_config.tuner_get_bbgain = ctl->tuner_get_bbgain; | |
532 | technisat_usb2_stv090x_config.tuner_set_refclk = ctl->tuner_set_refclk; | |
533 | technisat_usb2_stv090x_config.tuner_get_status = ctl->tuner_get_status; | |
534 | ||
535 | /* call the init function once to initialize | |
536 | tuner's clock output divider and demod's | |
537 | master clock */ | |
77eed219 MK |
538 | if (a->fe_adap[0].fe->ops.init) |
539 | a->fe_adap[0].fe->ops.init(a->fe_adap[0].fe); | |
739ff04f PB |
540 | |
541 | if (mutex_lock_interruptible(&a->dev->i2c_mutex) < 0) | |
542 | return -EAGAIN; | |
543 | ||
544 | ret = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), | |
545 | SET_IFCLK_TO_EXTERNAL_TSCLK_VENDOR_REQUEST, | |
546 | USB_TYPE_VENDOR | USB_DIR_OUT, | |
547 | 0, 0, | |
548 | NULL, 0, 500); | |
549 | mutex_unlock(&a->dev->i2c_mutex); | |
550 | ||
551 | if (ret != 0) | |
552 | err("could not set IF_CLK to external"); | |
553 | ||
77eed219 | 554 | a->fe_adap[0].fe->ops.set_voltage = technisat_usb2_set_voltage; |
739ff04f PB |
555 | |
556 | /* if everything was successful assign a nice name to the frontend */ | |
77eed219 MK |
557 | strlcpy(a->fe_adap[0].fe->ops.info.name, a->dev->desc->name, |
558 | sizeof(a->fe_adap[0].fe->ops.info.name)); | |
739ff04f | 559 | } else { |
77eed219 MK |
560 | dvb_frontend_detach(a->fe_adap[0].fe); |
561 | a->fe_adap[0].fe = NULL; | |
739ff04f PB |
562 | } |
563 | } | |
564 | ||
565 | technisat_usb2_set_led_timer(a->dev, 1, 1); | |
566 | ||
77eed219 | 567 | return a->fe_adap[0].fe == NULL ? -ENODEV : 0; |
739ff04f PB |
568 | } |
569 | ||
570 | /* Remote control */ | |
571 | ||
572 | /* the device is giving providing raw IR-signals to the host mapping | |
573 | * it only to one remote control is just the default implementation | |
574 | */ | |
575 | #define NOMINAL_IR_BIT_TRANSITION_TIME_US 889 | |
576 | #define NOMINAL_IR_BIT_TIME_US (2 * NOMINAL_IR_BIT_TRANSITION_TIME_US) | |
577 | ||
578 | #define FIRMWARE_CLOCK_TICK 83333 | |
579 | #define FIRMWARE_CLOCK_DIVISOR 256 | |
580 | ||
581 | #define IR_PERCENT_TOLERANCE 15 | |
582 | ||
583 | #define NOMINAL_IR_BIT_TRANSITION_TICKS ((NOMINAL_IR_BIT_TRANSITION_TIME_US * 1000 * 1000) / FIRMWARE_CLOCK_TICK) | |
584 | #define NOMINAL_IR_BIT_TRANSITION_TICK_COUNT (NOMINAL_IR_BIT_TRANSITION_TICKS / FIRMWARE_CLOCK_DIVISOR) | |
585 | ||
586 | #define NOMINAL_IR_BIT_TIME_TICKS ((NOMINAL_IR_BIT_TIME_US * 1000 * 1000) / FIRMWARE_CLOCK_TICK) | |
587 | #define NOMINAL_IR_BIT_TIME_TICK_COUNT (NOMINAL_IR_BIT_TIME_TICKS / FIRMWARE_CLOCK_DIVISOR) | |
588 | ||
589 | #define MINIMUM_IR_BIT_TRANSITION_TICK_COUNT (NOMINAL_IR_BIT_TRANSITION_TICK_COUNT - ((NOMINAL_IR_BIT_TRANSITION_TICK_COUNT * IR_PERCENT_TOLERANCE) / 100)) | |
590 | #define MAXIMUM_IR_BIT_TRANSITION_TICK_COUNT (NOMINAL_IR_BIT_TRANSITION_TICK_COUNT + ((NOMINAL_IR_BIT_TRANSITION_TICK_COUNT * IR_PERCENT_TOLERANCE) / 100)) | |
591 | ||
592 | #define MINIMUM_IR_BIT_TIME_TICK_COUNT (NOMINAL_IR_BIT_TIME_TICK_COUNT - ((NOMINAL_IR_BIT_TIME_TICK_COUNT * IR_PERCENT_TOLERANCE) / 100)) | |
593 | #define MAXIMUM_IR_BIT_TIME_TICK_COUNT (NOMINAL_IR_BIT_TIME_TICK_COUNT + ((NOMINAL_IR_BIT_TIME_TICK_COUNT * IR_PERCENT_TOLERANCE) / 100)) | |
594 | ||
595 | static int technisat_usb2_get_ir(struct dvb_usb_device *d) | |
596 | { | |
597 | u8 buf[62], *b; | |
598 | int ret; | |
599 | struct ir_raw_event ev; | |
600 | ||
601 | buf[0] = GET_IR_DATA_VENDOR_REQUEST; | |
602 | buf[1] = 0x08; | |
603 | buf[2] = 0x8f; | |
604 | buf[3] = MINIMUM_IR_BIT_TRANSITION_TICK_COUNT; | |
605 | buf[4] = MAXIMUM_IR_BIT_TIME_TICK_COUNT; | |
606 | ||
607 | if (mutex_lock_interruptible(&d->i2c_mutex) < 0) | |
608 | return -EAGAIN; | |
609 | ret = usb_control_msg(d->udev, usb_sndctrlpipe(d->udev, 0), | |
610 | GET_IR_DATA_VENDOR_REQUEST, | |
611 | USB_TYPE_VENDOR | USB_DIR_OUT, | |
612 | 0, 0, | |
613 | buf, 5, 500); | |
614 | if (ret < 0) | |
615 | goto unlock; | |
616 | ||
617 | buf[1] = 0; | |
618 | buf[2] = 0; | |
619 | ret = usb_control_msg(d->udev, usb_rcvctrlpipe(d->udev, 0), | |
620 | GET_IR_DATA_VENDOR_REQUEST, | |
621 | USB_TYPE_VENDOR | USB_DIR_IN, | |
622 | 0x8080, 0, | |
623 | buf, sizeof(buf), 500); | |
624 | ||
625 | unlock: | |
626 | mutex_unlock(&d->i2c_mutex); | |
627 | ||
628 | if (ret < 0) | |
629 | return ret; | |
630 | ||
631 | if (ret == 1) | |
632 | return 0; /* no key pressed */ | |
633 | ||
634 | /* decoding */ | |
635 | b = buf+1; | |
636 | ||
637 | #if 0 | |
638 | deb_rc("RC: %d ", ret); | |
639 | debug_dump(b, ret, deb_rc); | |
640 | #endif | |
641 | ||
642 | ev.pulse = 0; | |
643 | while (1) { | |
644 | ev.pulse = !ev.pulse; | |
645 | ev.duration = (*b * FIRMWARE_CLOCK_DIVISOR * FIRMWARE_CLOCK_TICK) / 1000; | |
646 | ir_raw_event_store(d->rc_dev, &ev); | |
647 | ||
648 | b++; | |
649 | if (*b == 0xff) { | |
650 | ev.pulse = 0; | |
651 | ev.duration = 888888*2; | |
652 | ir_raw_event_store(d->rc_dev, &ev); | |
653 | break; | |
654 | } | |
655 | } | |
656 | ||
657 | ir_raw_event_handle(d->rc_dev); | |
658 | ||
659 | return 1; | |
660 | } | |
661 | ||
662 | static int technisat_usb2_rc_query(struct dvb_usb_device *d) | |
663 | { | |
664 | int ret = technisat_usb2_get_ir(d); | |
665 | ||
666 | if (ret < 0) | |
667 | return ret; | |
668 | ||
669 | if (ret == 0) | |
670 | return 0; | |
671 | ||
672 | if (!disable_led_control) | |
fff287bb | 673 | technisat_usb2_set_led(d, 1, TECH_LED_BLINK); |
739ff04f PB |
674 | |
675 | return 0; | |
676 | } | |
677 | ||
678 | /* DVB-USB and USB stuff follows */ | |
679 | static struct usb_device_id technisat_usb2_id_table[] = { | |
680 | { USB_DEVICE(USB_VID_TECHNISAT, USB_PID_TECHNISAT_USB2_DVB_S2) }, | |
681 | { 0 } /* Terminating entry */ | |
682 | }; | |
1309b336 | 683 | MODULE_DEVICE_TABLE(usb, technisat_usb2_id_table); |
739ff04f PB |
684 | |
685 | /* device description */ | |
686 | static struct dvb_usb_device_properties technisat_usb2_devices = { | |
687 | .caps = DVB_USB_IS_AN_I2C_ADAPTER, | |
688 | ||
689 | .usb_ctrl = CYPRESS_FX2, | |
690 | ||
691 | .identify_state = technisat_usb2_identify_state, | |
692 | .firmware = "dvb-usb-SkyStar_USB_HD_FW_v17_63.HEX.fw", | |
693 | ||
694 | .size_of_priv = sizeof(struct technisat_usb2_state), | |
695 | ||
696 | .i2c_algo = &technisat_usb2_i2c_algo, | |
697 | ||
698 | .power_ctrl = technisat_usb2_power_ctrl, | |
699 | .read_mac_address = technisat_usb2_read_mac_address, | |
700 | ||
701 | .num_adapters = 1, | |
702 | .adapter = { | |
703 | { | |
77eed219 MK |
704 | .num_frontends = 1, |
705 | .fe = {{ | |
739ff04f PB |
706 | .frontend_attach = technisat_usb2_frontend_attach, |
707 | ||
708 | .stream = { | |
709 | .type = USB_ISOC, | |
710 | .count = 8, | |
711 | .endpoint = 0x2, | |
712 | .u = { | |
713 | .isoc = { | |
714 | .framesperurb = 32, | |
715 | .framesize = 2048, | |
b5b62058 | 716 | .interval = 1, |
739ff04f PB |
717 | } |
718 | } | |
719 | }, | |
77eed219 | 720 | }}, |
739ff04f PB |
721 | .size_of_priv = 0, |
722 | }, | |
723 | }, | |
724 | ||
725 | .num_device_descs = 1, | |
726 | .devices = { | |
727 | { "Technisat SkyStar USB HD (DVB-S/S2)", | |
728 | { &technisat_usb2_id_table[0], NULL }, | |
729 | { NULL }, | |
730 | }, | |
731 | }, | |
732 | ||
733 | .rc.core = { | |
734 | .rc_interval = 100, | |
735 | .rc_codes = RC_MAP_TECHNISAT_USB2, | |
736 | .module_name = "technisat-usb2", | |
737 | .rc_query = technisat_usb2_rc_query, | |
c003ab1b | 738 | .allowed_protos = RC_BIT_ALL, |
739ff04f PB |
739 | .driver_type = RC_DRIVER_IR_RAW, |
740 | } | |
741 | }; | |
742 | ||
743 | static int technisat_usb2_probe(struct usb_interface *intf, | |
744 | const struct usb_device_id *id) | |
745 | { | |
746 | struct dvb_usb_device *dev; | |
747 | ||
748 | if (dvb_usb_device_init(intf, &technisat_usb2_devices, THIS_MODULE, | |
749 | &dev, adapter_nr) != 0) | |
750 | return -ENODEV; | |
751 | ||
752 | if (dev) { | |
753 | struct technisat_usb2_state *state = dev->priv; | |
754 | state->dev = dev; | |
755 | ||
756 | if (!disable_led_control) { | |
757 | INIT_DELAYED_WORK(&state->green_led_work, | |
758 | technisat_usb2_green_led_control); | |
759 | schedule_delayed_work(&state->green_led_work, | |
760 | msecs_to_jiffies(500)); | |
761 | } | |
762 | } | |
763 | ||
764 | return 0; | |
765 | } | |
766 | ||
767 | static void technisat_usb2_disconnect(struct usb_interface *intf) | |
768 | { | |
769 | struct dvb_usb_device *dev = usb_get_intfdata(intf); | |
770 | ||
771 | /* work and stuff was only created when the device is is hot-state */ | |
772 | if (dev != NULL) { | |
773 | struct technisat_usb2_state *state = dev->priv; | |
fe45e255 | 774 | if (state != NULL) |
4ec02ea0 | 775 | cancel_delayed_work_sync(&state->green_led_work); |
739ff04f PB |
776 | } |
777 | ||
778 | dvb_usb_device_exit(intf); | |
779 | } | |
780 | ||
781 | static struct usb_driver technisat_usb2_driver = { | |
782 | .name = "dvb_usb_technisat_usb2", | |
783 | .probe = technisat_usb2_probe, | |
784 | .disconnect = technisat_usb2_disconnect, | |
785 | .id_table = technisat_usb2_id_table, | |
786 | }; | |
787 | ||
ecb3b2b3 | 788 | module_usb_driver(technisat_usb2_driver); |
739ff04f PB |
789 | |
790 | MODULE_AUTHOR("Patrick Boettcher <pboettcher@kernellabs.com>"); | |
791 | MODULE_DESCRIPTION("Driver for Technisat DVB-S/S2 USB 2.0 device"); | |
792 | MODULE_VERSION("1.0"); | |
793 | MODULE_LICENSE("GPL"); |