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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; | |
5d0f2df4 MCC |
63 | |
64 | u8 buf[64]; | |
739ff04f PB |
65 | }; |
66 | ||
67 | /* debug print helpers */ | |
68 | #define deb_info(args...) dprintk(debug, 0x01, args) | |
69 | #define deb_eeprom(args...) dprintk(debug, 0x02, args) | |
70 | #define deb_i2c(args...) dprintk(debug, 0x04, args) | |
71 | #define deb_rc(args...) dprintk(debug, 0x08, args) | |
72 | ||
73 | /* vendor requests */ | |
74 | #define SET_IFCLK_TO_EXTERNAL_TSCLK_VENDOR_REQUEST 0xB3 | |
75 | #define SET_FRONT_END_RESET_VENDOR_REQUEST 0xB4 | |
76 | #define GET_VERSION_INFO_VENDOR_REQUEST 0xB5 | |
77 | #define SET_GREEN_LED_VENDOR_REQUEST 0xB6 | |
78 | #define SET_RED_LED_VENDOR_REQUEST 0xB7 | |
79 | #define GET_IR_DATA_VENDOR_REQUEST 0xB8 | |
80 | #define SET_LED_TIMER_DIVIDER_VENDOR_REQUEST 0xB9 | |
81 | #define SET_USB_REENUMERATION 0xBA | |
82 | ||
83 | /* i2c-access methods */ | |
84 | #define I2C_SPEED_100KHZ_BIT 0x40 | |
85 | ||
86 | #define I2C_STATUS_NAK 7 | |
87 | #define I2C_STATUS_OK 8 | |
88 | ||
89 | static int technisat_usb2_i2c_access(struct usb_device *udev, | |
90 | u8 device_addr, u8 *tx, u8 txlen, u8 *rx, u8 rxlen) | |
91 | { | |
92 | u8 b[64]; | |
93 | int ret, actual_length; | |
94 | ||
95 | deb_i2c("i2c-access: %02x, tx: ", device_addr); | |
96 | debug_dump(tx, txlen, deb_i2c); | |
97 | deb_i2c(" "); | |
98 | ||
99 | if (txlen > 62) { | |
100 | err("i2c TX buffer can't exceed 62 bytes (dev 0x%02x)", | |
101 | device_addr); | |
102 | txlen = 62; | |
103 | } | |
104 | if (rxlen > 62) { | |
105 | err("i2c RX buffer can't exceed 62 bytes (dev 0x%02x)", | |
106 | device_addr); | |
648ad154 | 107 | rxlen = 62; |
739ff04f PB |
108 | } |
109 | ||
110 | b[0] = I2C_SPEED_100KHZ_BIT; | |
111 | b[1] = device_addr << 1; | |
112 | ||
113 | if (rx != NULL) { | |
114 | b[0] |= rxlen; | |
115 | b[1] |= 1; | |
116 | } | |
117 | ||
118 | memcpy(&b[2], tx, txlen); | |
119 | ret = usb_bulk_msg(udev, | |
120 | usb_sndbulkpipe(udev, 0x01), | |
121 | b, 2 + txlen, | |
122 | NULL, 1000); | |
123 | ||
124 | if (ret < 0) { | |
125 | err("i2c-error: out failed %02x = %d", device_addr, ret); | |
126 | return -ENODEV; | |
127 | } | |
128 | ||
129 | ret = usb_bulk_msg(udev, | |
130 | usb_rcvbulkpipe(udev, 0x01), | |
131 | b, 64, &actual_length, 1000); | |
132 | if (ret < 0) { | |
133 | err("i2c-error: in failed %02x = %d", device_addr, ret); | |
134 | return -ENODEV; | |
135 | } | |
136 | ||
137 | if (b[0] != I2C_STATUS_OK) { | |
138 | err("i2c-error: %02x = %d", device_addr, b[0]); | |
139 | /* handle tuner-i2c-nak */ | |
140 | if (!(b[0] == I2C_STATUS_NAK && | |
141 | device_addr == 0x60 | |
142 | /* && device_is_technisat_usb2 */)) | |
143 | return -ENODEV; | |
144 | } | |
145 | ||
146 | deb_i2c("status: %d, ", b[0]); | |
147 | ||
148 | if (rx != NULL) { | |
149 | memcpy(rx, &b[2], rxlen); | |
150 | ||
151 | deb_i2c("rx (%d): ", rxlen); | |
152 | debug_dump(rx, rxlen, deb_i2c); | |
153 | } | |
154 | ||
155 | deb_i2c("\n"); | |
156 | ||
157 | return 0; | |
158 | } | |
159 | ||
160 | static int technisat_usb2_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg *msg, | |
161 | int num) | |
162 | { | |
163 | int ret = 0, i; | |
164 | struct dvb_usb_device *d = i2c_get_adapdata(adap); | |
165 | ||
166 | /* Ensure nobody else hits the i2c bus while we're sending our | |
167 | sequence of messages, (such as the remote control thread) */ | |
168 | if (mutex_lock_interruptible(&d->i2c_mutex) < 0) | |
169 | return -EAGAIN; | |
170 | ||
171 | for (i = 0; i < num; i++) { | |
172 | if (i+1 < num && msg[i+1].flags & I2C_M_RD) { | |
173 | ret = technisat_usb2_i2c_access(d->udev, msg[i+1].addr, | |
174 | msg[i].buf, msg[i].len, | |
175 | msg[i+1].buf, msg[i+1].len); | |
176 | if (ret != 0) | |
177 | break; | |
178 | i++; | |
179 | } else { | |
180 | ret = technisat_usb2_i2c_access(d->udev, msg[i].addr, | |
181 | msg[i].buf, msg[i].len, | |
182 | NULL, 0); | |
183 | if (ret != 0) | |
184 | break; | |
185 | } | |
186 | } | |
187 | ||
188 | if (ret == 0) | |
189 | ret = i; | |
190 | ||
191 | mutex_unlock(&d->i2c_mutex); | |
192 | ||
193 | return ret; | |
194 | } | |
195 | ||
196 | static u32 technisat_usb2_i2c_func(struct i2c_adapter *adapter) | |
197 | { | |
198 | return I2C_FUNC_I2C; | |
199 | } | |
200 | ||
201 | static struct i2c_algorithm technisat_usb2_i2c_algo = { | |
202 | .master_xfer = technisat_usb2_i2c_xfer, | |
203 | .functionality = technisat_usb2_i2c_func, | |
204 | }; | |
205 | ||
206 | #if 0 | |
207 | static void technisat_usb2_frontend_reset(struct usb_device *udev) | |
208 | { | |
209 | usb_control_msg(udev, usb_sndctrlpipe(udev, 0), | |
210 | SET_FRONT_END_RESET_VENDOR_REQUEST, | |
211 | USB_TYPE_VENDOR | USB_DIR_OUT, | |
212 | 10, 0, | |
213 | NULL, 0, 500); | |
214 | } | |
215 | #endif | |
216 | ||
217 | /* LED control */ | |
218 | enum technisat_usb2_led_state { | |
fff287bb LR |
219 | TECH_LED_OFF, |
220 | TECH_LED_BLINK, | |
221 | TECH_LED_ON, | |
222 | TECH_LED_UNDEFINED | |
739ff04f PB |
223 | }; |
224 | ||
5d0f2df4 MCC |
225 | static int technisat_usb2_set_led(struct dvb_usb_device *d, int red, |
226 | enum technisat_usb2_led_state st) | |
739ff04f | 227 | { |
5d0f2df4 MCC |
228 | struct technisat_usb2_state *state = d->priv; |
229 | u8 *led = state->buf; | |
739ff04f PB |
230 | int ret; |
231 | ||
5d0f2df4 | 232 | led[0] = red ? SET_RED_LED_VENDOR_REQUEST : SET_GREEN_LED_VENDOR_REQUEST; |
739ff04f | 233 | |
5d0f2df4 | 234 | if (disable_led_control && st != TECH_LED_OFF) |
739ff04f PB |
235 | return 0; |
236 | ||
5d0f2df4 | 237 | switch (st) { |
fff287bb | 238 | case TECH_LED_ON: |
739ff04f PB |
239 | led[1] = 0x82; |
240 | break; | |
fff287bb | 241 | case TECH_LED_BLINK: |
739ff04f PB |
242 | led[1] = 0x82; |
243 | if (red) { | |
244 | led[2] = 0x02; | |
245 | led[3] = 10; | |
246 | led[4] = 10; | |
247 | } else { | |
248 | led[2] = 0xff; | |
249 | led[3] = 50; | |
250 | led[4] = 50; | |
251 | } | |
252 | led[5] = 1; | |
253 | break; | |
254 | ||
255 | default: | |
fff287bb | 256 | case TECH_LED_OFF: |
739ff04f PB |
257 | led[1] = 0x80; |
258 | break; | |
259 | } | |
260 | ||
261 | if (mutex_lock_interruptible(&d->i2c_mutex) < 0) | |
262 | return -EAGAIN; | |
263 | ||
264 | ret = usb_control_msg(d->udev, usb_sndctrlpipe(d->udev, 0), | |
265 | red ? SET_RED_LED_VENDOR_REQUEST : SET_GREEN_LED_VENDOR_REQUEST, | |
266 | USB_TYPE_VENDOR | USB_DIR_OUT, | |
267 | 0, 0, | |
5d0f2df4 | 268 | led, 8, 500); |
739ff04f PB |
269 | |
270 | mutex_unlock(&d->i2c_mutex); | |
271 | return ret; | |
272 | } | |
273 | ||
274 | static int technisat_usb2_set_led_timer(struct dvb_usb_device *d, u8 red, u8 green) | |
275 | { | |
5d0f2df4 MCC |
276 | struct technisat_usb2_state *state = d->priv; |
277 | u8 *b = state->buf; | |
739ff04f | 278 | int ret; |
5d0f2df4 MCC |
279 | |
280 | b[0] = 0; | |
739ff04f PB |
281 | |
282 | if (mutex_lock_interruptible(&d->i2c_mutex) < 0) | |
283 | return -EAGAIN; | |
284 | ||
285 | ret = usb_control_msg(d->udev, usb_sndctrlpipe(d->udev, 0), | |
286 | SET_LED_TIMER_DIVIDER_VENDOR_REQUEST, | |
287 | USB_TYPE_VENDOR | USB_DIR_OUT, | |
288 | (red << 8) | green, 0, | |
5d0f2df4 | 289 | b, 1, 500); |
739ff04f PB |
290 | |
291 | mutex_unlock(&d->i2c_mutex); | |
292 | ||
293 | return ret; | |
294 | } | |
295 | ||
296 | static void technisat_usb2_green_led_control(struct work_struct *work) | |
297 | { | |
298 | struct technisat_usb2_state *state = | |
299 | container_of(work, struct technisat_usb2_state, green_led_work.work); | |
77eed219 | 300 | struct dvb_frontend *fe = state->dev->adapter[0].fe_adap[0].fe; |
739ff04f PB |
301 | |
302 | if (state->power_state == 0) | |
303 | goto schedule; | |
304 | ||
305 | if (fe != NULL) { | |
306 | enum fe_status status; | |
307 | ||
308 | if (fe->ops.read_status(fe, &status) != 0) | |
309 | goto schedule; | |
310 | ||
311 | if (status & FE_HAS_LOCK) { | |
312 | u32 ber; | |
313 | ||
314 | if (fe->ops.read_ber(fe, &ber) != 0) | |
315 | goto schedule; | |
316 | ||
317 | if (ber > 1000) | |
fff287bb | 318 | technisat_usb2_set_led(state->dev, 0, TECH_LED_BLINK); |
739ff04f | 319 | else |
fff287bb | 320 | technisat_usb2_set_led(state->dev, 0, TECH_LED_ON); |
739ff04f | 321 | } else |
fff287bb | 322 | technisat_usb2_set_led(state->dev, 0, TECH_LED_OFF); |
739ff04f PB |
323 | } |
324 | ||
325 | schedule: | |
326 | schedule_delayed_work(&state->green_led_work, | |
327 | msecs_to_jiffies(500)); | |
328 | } | |
329 | ||
330 | /* method to find out whether the firmware has to be downloaded or not */ | |
331 | static int technisat_usb2_identify_state(struct usb_device *udev, | |
332 | struct dvb_usb_device_properties *props, | |
333 | struct dvb_usb_device_description **desc, int *cold) | |
334 | { | |
335 | int ret; | |
5d0f2df4 MCC |
336 | u8 *version; |
337 | ||
338 | version = kmalloc(3, GFP_KERNEL); | |
339 | if (!version) | |
340 | return -ENOMEM; | |
739ff04f PB |
341 | |
342 | /* first select the interface */ | |
1f075d1f | 343 | if (usb_set_interface(udev, 0, 1) != 0) |
739ff04f | 344 | err("could not set alternate setting to 0"); |
1f075d1f | 345 | else |
739ff04f | 346 | info("set alternate setting"); |
739ff04f PB |
347 | |
348 | *cold = 0; /* by default do not download a firmware - just in case something is wrong */ | |
349 | ||
350 | ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), | |
351 | GET_VERSION_INFO_VENDOR_REQUEST, | |
352 | USB_TYPE_VENDOR | USB_DIR_IN, | |
353 | 0, 0, | |
5d0f2df4 | 354 | version, 3, 500); |
739ff04f PB |
355 | |
356 | if (ret < 0) | |
357 | *cold = 1; | |
358 | else { | |
359 | info("firmware version: %d.%d", version[1], version[2]); | |
360 | *cold = 0; | |
361 | } | |
362 | ||
5d0f2df4 MCC |
363 | kfree(version); |
364 | ||
739ff04f PB |
365 | return 0; |
366 | } | |
367 | ||
368 | /* power control */ | |
369 | static int technisat_usb2_power_ctrl(struct dvb_usb_device *d, int level) | |
370 | { | |
371 | struct technisat_usb2_state *state = d->priv; | |
372 | ||
373 | state->power_state = level; | |
374 | ||
375 | if (disable_led_control) | |
376 | return 0; | |
377 | ||
378 | /* green led is turned off in any case - will be turned on when tuning */ | |
fff287bb | 379 | technisat_usb2_set_led(d, 0, TECH_LED_OFF); |
739ff04f | 380 | /* red led is turned on all the time */ |
fff287bb | 381 | technisat_usb2_set_led(d, 1, TECH_LED_ON); |
739ff04f PB |
382 | return 0; |
383 | } | |
384 | ||
385 | /* mac address reading - from the eeprom */ | |
386 | #if 0 | |
387 | static void technisat_usb2_eeprom_dump(struct dvb_usb_device *d) | |
388 | { | |
389 | u8 reg; | |
390 | u8 b[16]; | |
1f075d1f | 391 | int i, j; |
739ff04f PB |
392 | |
393 | /* full EEPROM dump */ | |
394 | for (j = 0; j < 256 * 4; j += 16) { | |
395 | reg = j; | |
396 | if (technisat_usb2_i2c_access(d->udev, 0x50 + j / 256, ®, 1, b, 16) != 0) | |
397 | break; | |
398 | ||
399 | deb_eeprom("EEPROM: %01x%02x: ", j / 256, reg); | |
400 | for (i = 0; i < 16; i++) | |
401 | deb_eeprom("%02x ", b[i]); | |
402 | deb_eeprom("\n"); | |
403 | } | |
404 | } | |
405 | #endif | |
406 | ||
407 | static u8 technisat_usb2_calc_lrc(const u8 *b, u16 length) | |
408 | { | |
409 | u8 lrc = 0; | |
410 | while (--length) | |
411 | lrc ^= *b++; | |
412 | return lrc; | |
413 | } | |
414 | ||
415 | static int technisat_usb2_eeprom_lrc_read(struct dvb_usb_device *d, | |
416 | u16 offset, u8 *b, u16 length, u8 tries) | |
417 | { | |
418 | u8 bo = offset & 0xff; | |
419 | struct i2c_msg msg[] = { | |
420 | { | |
421 | .addr = 0x50 | ((offset >> 8) & 0x3), | |
422 | .buf = &bo, | |
423 | .len = 1 | |
424 | }, { | |
425 | .addr = 0x50 | ((offset >> 8) & 0x3), | |
426 | .flags = I2C_M_RD, | |
427 | .buf = b, | |
428 | .len = length | |
429 | } | |
430 | }; | |
431 | ||
432 | while (tries--) { | |
433 | int status; | |
434 | ||
435 | if (i2c_transfer(&d->i2c_adap, msg, 2) != 2) | |
436 | break; | |
437 | ||
438 | status = | |
439 | technisat_usb2_calc_lrc(b, length - 1) == b[length - 1]; | |
440 | ||
441 | if (status) | |
442 | return 0; | |
443 | } | |
444 | ||
445 | return -EREMOTEIO; | |
446 | } | |
447 | ||
448 | #define EEPROM_MAC_START 0x3f8 | |
449 | #define EEPROM_MAC_TOTAL 8 | |
450 | static int technisat_usb2_read_mac_address(struct dvb_usb_device *d, | |
451 | u8 mac[]) | |
452 | { | |
453 | u8 buf[EEPROM_MAC_TOTAL]; | |
454 | ||
455 | if (technisat_usb2_eeprom_lrc_read(d, EEPROM_MAC_START, | |
456 | buf, EEPROM_MAC_TOTAL, 4) != 0) | |
457 | return -ENODEV; | |
458 | ||
459 | memcpy(mac, buf, 6); | |
460 | return 0; | |
461 | } | |
462 | ||
a2ea5561 MCC |
463 | static struct stv090x_config technisat_usb2_stv090x_config; |
464 | ||
739ff04f PB |
465 | /* frontend attach */ |
466 | static int technisat_usb2_set_voltage(struct dvb_frontend *fe, | |
0df289a2 | 467 | enum fe_sec_voltage voltage) |
739ff04f PB |
468 | { |
469 | int i; | |
470 | u8 gpio[3] = { 0 }; /* 0 = 2, 1 = 3, 2 = 4 */ | |
471 | ||
472 | gpio[2] = 1; /* high - voltage ? */ | |
473 | ||
474 | switch (voltage) { | |
475 | case SEC_VOLTAGE_13: | |
476 | gpio[0] = 1; | |
477 | break; | |
478 | case SEC_VOLTAGE_18: | |
479 | gpio[0] = 1; | |
480 | gpio[1] = 1; | |
481 | break; | |
482 | default: | |
483 | case SEC_VOLTAGE_OFF: | |
484 | break; | |
485 | } | |
486 | ||
487 | for (i = 0; i < 3; i++) | |
a2ea5561 MCC |
488 | if (technisat_usb2_stv090x_config.set_gpio(fe, i+2, 0, |
489 | gpio[i], 0) != 0) | |
739ff04f PB |
490 | return -EREMOTEIO; |
491 | return 0; | |
492 | } | |
493 | ||
494 | static struct stv090x_config technisat_usb2_stv090x_config = { | |
495 | .device = STV0903, | |
496 | .demod_mode = STV090x_SINGLE, | |
497 | .clk_mode = STV090x_CLK_EXT, | |
498 | ||
499 | .xtal = 8000000, | |
500 | .address = 0x68, | |
501 | ||
502 | .ts1_mode = STV090x_TSMODE_DVBCI, | |
503 | .ts1_clk = 13400000, | |
504 | .ts1_tei = 1, | |
505 | ||
506 | .repeater_level = STV090x_RPTLEVEL_64, | |
507 | ||
508 | .tuner_bbgain = 6, | |
509 | }; | |
510 | ||
511 | static struct stv6110x_config technisat_usb2_stv6110x_config = { | |
1f075d1f MCC |
512 | .addr = 0x60, |
513 | .refclk = 16000000, | |
514 | .clk_div = 2, | |
739ff04f PB |
515 | }; |
516 | ||
517 | static int technisat_usb2_frontend_attach(struct dvb_usb_adapter *a) | |
518 | { | |
519 | struct usb_device *udev = a->dev->udev; | |
520 | int ret; | |
521 | ||
77eed219 | 522 | a->fe_adap[0].fe = dvb_attach(stv090x_attach, &technisat_usb2_stv090x_config, |
739ff04f PB |
523 | &a->dev->i2c_adap, STV090x_DEMODULATOR_0); |
524 | ||
77eed219 | 525 | if (a->fe_adap[0].fe) { |
242c5033 | 526 | const struct stv6110x_devctl *ctl; |
739ff04f PB |
527 | |
528 | ctl = dvb_attach(stv6110x_attach, | |
77eed219 | 529 | a->fe_adap[0].fe, |
739ff04f PB |
530 | &technisat_usb2_stv6110x_config, |
531 | &a->dev->i2c_adap); | |
532 | ||
533 | if (ctl) { | |
534 | technisat_usb2_stv090x_config.tuner_init = ctl->tuner_init; | |
535 | technisat_usb2_stv090x_config.tuner_sleep = ctl->tuner_sleep; | |
536 | technisat_usb2_stv090x_config.tuner_set_mode = ctl->tuner_set_mode; | |
537 | technisat_usb2_stv090x_config.tuner_set_frequency = ctl->tuner_set_frequency; | |
538 | technisat_usb2_stv090x_config.tuner_get_frequency = ctl->tuner_get_frequency; | |
539 | technisat_usb2_stv090x_config.tuner_set_bandwidth = ctl->tuner_set_bandwidth; | |
540 | technisat_usb2_stv090x_config.tuner_get_bandwidth = ctl->tuner_get_bandwidth; | |
541 | technisat_usb2_stv090x_config.tuner_set_bbgain = ctl->tuner_set_bbgain; | |
542 | technisat_usb2_stv090x_config.tuner_get_bbgain = ctl->tuner_get_bbgain; | |
543 | technisat_usb2_stv090x_config.tuner_set_refclk = ctl->tuner_set_refclk; | |
544 | technisat_usb2_stv090x_config.tuner_get_status = ctl->tuner_get_status; | |
545 | ||
546 | /* call the init function once to initialize | |
547 | tuner's clock output divider and demod's | |
548 | master clock */ | |
77eed219 MK |
549 | if (a->fe_adap[0].fe->ops.init) |
550 | a->fe_adap[0].fe->ops.init(a->fe_adap[0].fe); | |
739ff04f PB |
551 | |
552 | if (mutex_lock_interruptible(&a->dev->i2c_mutex) < 0) | |
553 | return -EAGAIN; | |
554 | ||
555 | ret = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), | |
556 | SET_IFCLK_TO_EXTERNAL_TSCLK_VENDOR_REQUEST, | |
557 | USB_TYPE_VENDOR | USB_DIR_OUT, | |
558 | 0, 0, | |
559 | NULL, 0, 500); | |
560 | mutex_unlock(&a->dev->i2c_mutex); | |
561 | ||
562 | if (ret != 0) | |
563 | err("could not set IF_CLK to external"); | |
564 | ||
77eed219 | 565 | a->fe_adap[0].fe->ops.set_voltage = technisat_usb2_set_voltage; |
739ff04f PB |
566 | |
567 | /* if everything was successful assign a nice name to the frontend */ | |
77eed219 MK |
568 | strlcpy(a->fe_adap[0].fe->ops.info.name, a->dev->desc->name, |
569 | sizeof(a->fe_adap[0].fe->ops.info.name)); | |
739ff04f | 570 | } else { |
77eed219 MK |
571 | dvb_frontend_detach(a->fe_adap[0].fe); |
572 | a->fe_adap[0].fe = NULL; | |
739ff04f PB |
573 | } |
574 | } | |
575 | ||
576 | technisat_usb2_set_led_timer(a->dev, 1, 1); | |
577 | ||
77eed219 | 578 | return a->fe_adap[0].fe == NULL ? -ENODEV : 0; |
739ff04f PB |
579 | } |
580 | ||
581 | /* Remote control */ | |
582 | ||
583 | /* the device is giving providing raw IR-signals to the host mapping | |
584 | * it only to one remote control is just the default implementation | |
585 | */ | |
586 | #define NOMINAL_IR_BIT_TRANSITION_TIME_US 889 | |
587 | #define NOMINAL_IR_BIT_TIME_US (2 * NOMINAL_IR_BIT_TRANSITION_TIME_US) | |
588 | ||
589 | #define FIRMWARE_CLOCK_TICK 83333 | |
590 | #define FIRMWARE_CLOCK_DIVISOR 256 | |
591 | ||
592 | #define IR_PERCENT_TOLERANCE 15 | |
593 | ||
594 | #define NOMINAL_IR_BIT_TRANSITION_TICKS ((NOMINAL_IR_BIT_TRANSITION_TIME_US * 1000 * 1000) / FIRMWARE_CLOCK_TICK) | |
595 | #define NOMINAL_IR_BIT_TRANSITION_TICK_COUNT (NOMINAL_IR_BIT_TRANSITION_TICKS / FIRMWARE_CLOCK_DIVISOR) | |
596 | ||
597 | #define NOMINAL_IR_BIT_TIME_TICKS ((NOMINAL_IR_BIT_TIME_US * 1000 * 1000) / FIRMWARE_CLOCK_TICK) | |
598 | #define NOMINAL_IR_BIT_TIME_TICK_COUNT (NOMINAL_IR_BIT_TIME_TICKS / FIRMWARE_CLOCK_DIVISOR) | |
599 | ||
600 | #define MINIMUM_IR_BIT_TRANSITION_TICK_COUNT (NOMINAL_IR_BIT_TRANSITION_TICK_COUNT - ((NOMINAL_IR_BIT_TRANSITION_TICK_COUNT * IR_PERCENT_TOLERANCE) / 100)) | |
601 | #define MAXIMUM_IR_BIT_TRANSITION_TICK_COUNT (NOMINAL_IR_BIT_TRANSITION_TICK_COUNT + ((NOMINAL_IR_BIT_TRANSITION_TICK_COUNT * IR_PERCENT_TOLERANCE) / 100)) | |
602 | ||
603 | #define MINIMUM_IR_BIT_TIME_TICK_COUNT (NOMINAL_IR_BIT_TIME_TICK_COUNT - ((NOMINAL_IR_BIT_TIME_TICK_COUNT * IR_PERCENT_TOLERANCE) / 100)) | |
604 | #define MAXIMUM_IR_BIT_TIME_TICK_COUNT (NOMINAL_IR_BIT_TIME_TICK_COUNT + ((NOMINAL_IR_BIT_TIME_TICK_COUNT * IR_PERCENT_TOLERANCE) / 100)) | |
605 | ||
606 | static int technisat_usb2_get_ir(struct dvb_usb_device *d) | |
607 | { | |
5d0f2df4 MCC |
608 | struct technisat_usb2_state *state = d->priv; |
609 | u8 *buf = state->buf; | |
610 | u8 *b; | |
739ff04f PB |
611 | int ret; |
612 | struct ir_raw_event ev; | |
613 | ||
614 | buf[0] = GET_IR_DATA_VENDOR_REQUEST; | |
615 | buf[1] = 0x08; | |
616 | buf[2] = 0x8f; | |
617 | buf[3] = MINIMUM_IR_BIT_TRANSITION_TICK_COUNT; | |
618 | buf[4] = MAXIMUM_IR_BIT_TIME_TICK_COUNT; | |
619 | ||
620 | if (mutex_lock_interruptible(&d->i2c_mutex) < 0) | |
621 | return -EAGAIN; | |
622 | ret = usb_control_msg(d->udev, usb_sndctrlpipe(d->udev, 0), | |
623 | GET_IR_DATA_VENDOR_REQUEST, | |
624 | USB_TYPE_VENDOR | USB_DIR_OUT, | |
625 | 0, 0, | |
626 | buf, 5, 500); | |
627 | if (ret < 0) | |
628 | goto unlock; | |
629 | ||
630 | buf[1] = 0; | |
631 | buf[2] = 0; | |
632 | ret = usb_control_msg(d->udev, usb_rcvctrlpipe(d->udev, 0), | |
633 | GET_IR_DATA_VENDOR_REQUEST, | |
634 | USB_TYPE_VENDOR | USB_DIR_IN, | |
635 | 0x8080, 0, | |
5d0f2df4 | 636 | buf, 62, 500); |
739ff04f PB |
637 | |
638 | unlock: | |
639 | mutex_unlock(&d->i2c_mutex); | |
640 | ||
641 | if (ret < 0) | |
642 | return ret; | |
643 | ||
644 | if (ret == 1) | |
645 | return 0; /* no key pressed */ | |
646 | ||
647 | /* decoding */ | |
648 | b = buf+1; | |
649 | ||
650 | #if 0 | |
651 | deb_rc("RC: %d ", ret); | |
652 | debug_dump(b, ret, deb_rc); | |
653 | #endif | |
654 | ||
655 | ev.pulse = 0; | |
656 | while (1) { | |
657 | ev.pulse = !ev.pulse; | |
658 | ev.duration = (*b * FIRMWARE_CLOCK_DIVISOR * FIRMWARE_CLOCK_TICK) / 1000; | |
659 | ir_raw_event_store(d->rc_dev, &ev); | |
660 | ||
661 | b++; | |
662 | if (*b == 0xff) { | |
663 | ev.pulse = 0; | |
664 | ev.duration = 888888*2; | |
665 | ir_raw_event_store(d->rc_dev, &ev); | |
666 | break; | |
667 | } | |
668 | } | |
669 | ||
670 | ir_raw_event_handle(d->rc_dev); | |
671 | ||
672 | return 1; | |
673 | } | |
674 | ||
675 | static int technisat_usb2_rc_query(struct dvb_usb_device *d) | |
676 | { | |
677 | int ret = technisat_usb2_get_ir(d); | |
678 | ||
679 | if (ret < 0) | |
680 | return ret; | |
681 | ||
682 | if (ret == 0) | |
683 | return 0; | |
684 | ||
685 | if (!disable_led_control) | |
fff287bb | 686 | technisat_usb2_set_led(d, 1, TECH_LED_BLINK); |
739ff04f PB |
687 | |
688 | return 0; | |
689 | } | |
690 | ||
691 | /* DVB-USB and USB stuff follows */ | |
692 | static struct usb_device_id technisat_usb2_id_table[] = { | |
693 | { USB_DEVICE(USB_VID_TECHNISAT, USB_PID_TECHNISAT_USB2_DVB_S2) }, | |
694 | { 0 } /* Terminating entry */ | |
695 | }; | |
1309b336 | 696 | MODULE_DEVICE_TABLE(usb, technisat_usb2_id_table); |
739ff04f PB |
697 | |
698 | /* device description */ | |
699 | static struct dvb_usb_device_properties technisat_usb2_devices = { | |
700 | .caps = DVB_USB_IS_AN_I2C_ADAPTER, | |
701 | ||
702 | .usb_ctrl = CYPRESS_FX2, | |
703 | ||
704 | .identify_state = technisat_usb2_identify_state, | |
705 | .firmware = "dvb-usb-SkyStar_USB_HD_FW_v17_63.HEX.fw", | |
706 | ||
707 | .size_of_priv = sizeof(struct technisat_usb2_state), | |
708 | ||
709 | .i2c_algo = &technisat_usb2_i2c_algo, | |
710 | ||
711 | .power_ctrl = technisat_usb2_power_ctrl, | |
712 | .read_mac_address = technisat_usb2_read_mac_address, | |
713 | ||
714 | .num_adapters = 1, | |
715 | .adapter = { | |
716 | { | |
77eed219 MK |
717 | .num_frontends = 1, |
718 | .fe = {{ | |
739ff04f PB |
719 | .frontend_attach = technisat_usb2_frontend_attach, |
720 | ||
721 | .stream = { | |
722 | .type = USB_ISOC, | |
3139f43f | 723 | .count = 4, |
739ff04f PB |
724 | .endpoint = 0x2, |
725 | .u = { | |
726 | .isoc = { | |
727 | .framesperurb = 32, | |
728 | .framesize = 2048, | |
b5b62058 | 729 | .interval = 1, |
739ff04f PB |
730 | } |
731 | } | |
732 | }, | |
77eed219 | 733 | }}, |
739ff04f PB |
734 | .size_of_priv = 0, |
735 | }, | |
736 | }, | |
737 | ||
738 | .num_device_descs = 1, | |
739 | .devices = { | |
740 | { "Technisat SkyStar USB HD (DVB-S/S2)", | |
741 | { &technisat_usb2_id_table[0], NULL }, | |
742 | { NULL }, | |
743 | }, | |
744 | }, | |
745 | ||
746 | .rc.core = { | |
747 | .rc_interval = 100, | |
748 | .rc_codes = RC_MAP_TECHNISAT_USB2, | |
749 | .module_name = "technisat-usb2", | |
750 | .rc_query = technisat_usb2_rc_query, | |
c003ab1b | 751 | .allowed_protos = RC_BIT_ALL, |
739ff04f PB |
752 | .driver_type = RC_DRIVER_IR_RAW, |
753 | } | |
754 | }; | |
755 | ||
756 | static int technisat_usb2_probe(struct usb_interface *intf, | |
757 | const struct usb_device_id *id) | |
758 | { | |
759 | struct dvb_usb_device *dev; | |
760 | ||
761 | if (dvb_usb_device_init(intf, &technisat_usb2_devices, THIS_MODULE, | |
762 | &dev, adapter_nr) != 0) | |
763 | return -ENODEV; | |
764 | ||
765 | if (dev) { | |
766 | struct technisat_usb2_state *state = dev->priv; | |
767 | state->dev = dev; | |
768 | ||
769 | if (!disable_led_control) { | |
770 | INIT_DELAYED_WORK(&state->green_led_work, | |
771 | technisat_usb2_green_led_control); | |
772 | schedule_delayed_work(&state->green_led_work, | |
773 | msecs_to_jiffies(500)); | |
774 | } | |
775 | } | |
776 | ||
777 | return 0; | |
778 | } | |
779 | ||
780 | static void technisat_usb2_disconnect(struct usb_interface *intf) | |
781 | { | |
782 | struct dvb_usb_device *dev = usb_get_intfdata(intf); | |
783 | ||
784 | /* work and stuff was only created when the device is is hot-state */ | |
785 | if (dev != NULL) { | |
786 | struct technisat_usb2_state *state = dev->priv; | |
fe45e255 | 787 | if (state != NULL) |
4ec02ea0 | 788 | cancel_delayed_work_sync(&state->green_led_work); |
739ff04f PB |
789 | } |
790 | ||
791 | dvb_usb_device_exit(intf); | |
792 | } | |
793 | ||
794 | static struct usb_driver technisat_usb2_driver = { | |
795 | .name = "dvb_usb_technisat_usb2", | |
796 | .probe = technisat_usb2_probe, | |
797 | .disconnect = technisat_usb2_disconnect, | |
798 | .id_table = technisat_usb2_id_table, | |
799 | }; | |
800 | ||
ecb3b2b3 | 801 | module_usb_driver(technisat_usb2_driver); |
739ff04f PB |
802 | |
803 | MODULE_AUTHOR("Patrick Boettcher <pboettcher@kernellabs.com>"); | |
804 | MODULE_DESCRIPTION("Driver for Technisat DVB-S/S2 USB 2.0 device"); | |
805 | MODULE_VERSION("1.0"); | |
806 | MODULE_LICENSE("GPL"); |