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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 | { | |
88ca3619 | 92 | u8 *b; |
739ff04f PB |
93 | int ret, actual_length; |
94 | ||
88ca3619 MCC |
95 | b = kmalloc(64, GFP_KERNEL); |
96 | if (!b) | |
97 | return -ENOMEM; | |
98 | ||
739ff04f PB |
99 | deb_i2c("i2c-access: %02x, tx: ", device_addr); |
100 | debug_dump(tx, txlen, deb_i2c); | |
101 | deb_i2c(" "); | |
102 | ||
103 | if (txlen > 62) { | |
104 | err("i2c TX buffer can't exceed 62 bytes (dev 0x%02x)", | |
105 | device_addr); | |
106 | txlen = 62; | |
107 | } | |
108 | if (rxlen > 62) { | |
109 | err("i2c RX buffer can't exceed 62 bytes (dev 0x%02x)", | |
110 | device_addr); | |
648ad154 | 111 | rxlen = 62; |
739ff04f PB |
112 | } |
113 | ||
114 | b[0] = I2C_SPEED_100KHZ_BIT; | |
115 | b[1] = device_addr << 1; | |
116 | ||
117 | if (rx != NULL) { | |
118 | b[0] |= rxlen; | |
119 | b[1] |= 1; | |
120 | } | |
121 | ||
122 | memcpy(&b[2], tx, txlen); | |
123 | ret = usb_bulk_msg(udev, | |
124 | usb_sndbulkpipe(udev, 0x01), | |
125 | b, 2 + txlen, | |
126 | NULL, 1000); | |
127 | ||
128 | if (ret < 0) { | |
129 | err("i2c-error: out failed %02x = %d", device_addr, ret); | |
88ca3619 | 130 | goto err; |
739ff04f PB |
131 | } |
132 | ||
133 | ret = usb_bulk_msg(udev, | |
134 | usb_rcvbulkpipe(udev, 0x01), | |
135 | b, 64, &actual_length, 1000); | |
136 | if (ret < 0) { | |
137 | err("i2c-error: in failed %02x = %d", device_addr, ret); | |
88ca3619 | 138 | goto err; |
739ff04f PB |
139 | } |
140 | ||
141 | if (b[0] != I2C_STATUS_OK) { | |
142 | err("i2c-error: %02x = %d", device_addr, b[0]); | |
143 | /* handle tuner-i2c-nak */ | |
144 | if (!(b[0] == I2C_STATUS_NAK && | |
145 | device_addr == 0x60 | |
146 | /* && device_is_technisat_usb2 */)) | |
88ca3619 | 147 | goto err; |
739ff04f PB |
148 | } |
149 | ||
150 | deb_i2c("status: %d, ", b[0]); | |
151 | ||
152 | if (rx != NULL) { | |
153 | memcpy(rx, &b[2], rxlen); | |
154 | ||
155 | deb_i2c("rx (%d): ", rxlen); | |
156 | debug_dump(rx, rxlen, deb_i2c); | |
157 | } | |
158 | ||
159 | deb_i2c("\n"); | |
160 | ||
88ca3619 MCC |
161 | err: |
162 | kfree(b); | |
163 | return ret; | |
739ff04f PB |
164 | } |
165 | ||
166 | static int technisat_usb2_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg *msg, | |
167 | int num) | |
168 | { | |
169 | int ret = 0, i; | |
170 | struct dvb_usb_device *d = i2c_get_adapdata(adap); | |
171 | ||
172 | /* Ensure nobody else hits the i2c bus while we're sending our | |
173 | sequence of messages, (such as the remote control thread) */ | |
174 | if (mutex_lock_interruptible(&d->i2c_mutex) < 0) | |
175 | return -EAGAIN; | |
176 | ||
177 | for (i = 0; i < num; i++) { | |
178 | if (i+1 < num && msg[i+1].flags & I2C_M_RD) { | |
179 | ret = technisat_usb2_i2c_access(d->udev, msg[i+1].addr, | |
180 | msg[i].buf, msg[i].len, | |
181 | msg[i+1].buf, msg[i+1].len); | |
182 | if (ret != 0) | |
183 | break; | |
184 | i++; | |
185 | } else { | |
186 | ret = technisat_usb2_i2c_access(d->udev, msg[i].addr, | |
187 | msg[i].buf, msg[i].len, | |
188 | NULL, 0); | |
189 | if (ret != 0) | |
190 | break; | |
191 | } | |
192 | } | |
193 | ||
194 | if (ret == 0) | |
195 | ret = i; | |
196 | ||
197 | mutex_unlock(&d->i2c_mutex); | |
198 | ||
199 | return ret; | |
200 | } | |
201 | ||
202 | static u32 technisat_usb2_i2c_func(struct i2c_adapter *adapter) | |
203 | { | |
204 | return I2C_FUNC_I2C; | |
205 | } | |
206 | ||
207 | static struct i2c_algorithm technisat_usb2_i2c_algo = { | |
208 | .master_xfer = technisat_usb2_i2c_xfer, | |
209 | .functionality = technisat_usb2_i2c_func, | |
210 | }; | |
211 | ||
212 | #if 0 | |
213 | static void technisat_usb2_frontend_reset(struct usb_device *udev) | |
214 | { | |
215 | usb_control_msg(udev, usb_sndctrlpipe(udev, 0), | |
216 | SET_FRONT_END_RESET_VENDOR_REQUEST, | |
217 | USB_TYPE_VENDOR | USB_DIR_OUT, | |
218 | 10, 0, | |
219 | NULL, 0, 500); | |
220 | } | |
221 | #endif | |
222 | ||
223 | /* LED control */ | |
224 | enum technisat_usb2_led_state { | |
fff287bb LR |
225 | TECH_LED_OFF, |
226 | TECH_LED_BLINK, | |
227 | TECH_LED_ON, | |
228 | TECH_LED_UNDEFINED | |
739ff04f PB |
229 | }; |
230 | ||
5d0f2df4 MCC |
231 | static int technisat_usb2_set_led(struct dvb_usb_device *d, int red, |
232 | enum technisat_usb2_led_state st) | |
739ff04f | 233 | { |
5d0f2df4 MCC |
234 | struct technisat_usb2_state *state = d->priv; |
235 | u8 *led = state->buf; | |
739ff04f PB |
236 | int ret; |
237 | ||
5d0f2df4 | 238 | led[0] = red ? SET_RED_LED_VENDOR_REQUEST : SET_GREEN_LED_VENDOR_REQUEST; |
739ff04f | 239 | |
5d0f2df4 | 240 | if (disable_led_control && st != TECH_LED_OFF) |
739ff04f PB |
241 | return 0; |
242 | ||
5d0f2df4 | 243 | switch (st) { |
fff287bb | 244 | case TECH_LED_ON: |
739ff04f PB |
245 | led[1] = 0x82; |
246 | break; | |
fff287bb | 247 | case TECH_LED_BLINK: |
739ff04f PB |
248 | led[1] = 0x82; |
249 | if (red) { | |
250 | led[2] = 0x02; | |
251 | led[3] = 10; | |
252 | led[4] = 10; | |
253 | } else { | |
254 | led[2] = 0xff; | |
255 | led[3] = 50; | |
256 | led[4] = 50; | |
257 | } | |
258 | led[5] = 1; | |
259 | break; | |
260 | ||
261 | default: | |
fff287bb | 262 | case TECH_LED_OFF: |
739ff04f PB |
263 | led[1] = 0x80; |
264 | break; | |
265 | } | |
266 | ||
267 | if (mutex_lock_interruptible(&d->i2c_mutex) < 0) | |
268 | return -EAGAIN; | |
269 | ||
270 | ret = usb_control_msg(d->udev, usb_sndctrlpipe(d->udev, 0), | |
271 | red ? SET_RED_LED_VENDOR_REQUEST : SET_GREEN_LED_VENDOR_REQUEST, | |
272 | USB_TYPE_VENDOR | USB_DIR_OUT, | |
273 | 0, 0, | |
5d0f2df4 | 274 | led, 8, 500); |
739ff04f PB |
275 | |
276 | mutex_unlock(&d->i2c_mutex); | |
277 | return ret; | |
278 | } | |
279 | ||
280 | static int technisat_usb2_set_led_timer(struct dvb_usb_device *d, u8 red, u8 green) | |
281 | { | |
5d0f2df4 MCC |
282 | struct technisat_usb2_state *state = d->priv; |
283 | u8 *b = state->buf; | |
739ff04f | 284 | int ret; |
5d0f2df4 MCC |
285 | |
286 | b[0] = 0; | |
739ff04f PB |
287 | |
288 | if (mutex_lock_interruptible(&d->i2c_mutex) < 0) | |
289 | return -EAGAIN; | |
290 | ||
291 | ret = usb_control_msg(d->udev, usb_sndctrlpipe(d->udev, 0), | |
292 | SET_LED_TIMER_DIVIDER_VENDOR_REQUEST, | |
293 | USB_TYPE_VENDOR | USB_DIR_OUT, | |
294 | (red << 8) | green, 0, | |
5d0f2df4 | 295 | b, 1, 500); |
739ff04f PB |
296 | |
297 | mutex_unlock(&d->i2c_mutex); | |
298 | ||
299 | return ret; | |
300 | } | |
301 | ||
302 | static void technisat_usb2_green_led_control(struct work_struct *work) | |
303 | { | |
304 | struct technisat_usb2_state *state = | |
305 | container_of(work, struct technisat_usb2_state, green_led_work.work); | |
77eed219 | 306 | struct dvb_frontend *fe = state->dev->adapter[0].fe_adap[0].fe; |
739ff04f PB |
307 | |
308 | if (state->power_state == 0) | |
309 | goto schedule; | |
310 | ||
311 | if (fe != NULL) { | |
312 | enum fe_status status; | |
313 | ||
314 | if (fe->ops.read_status(fe, &status) != 0) | |
315 | goto schedule; | |
316 | ||
317 | if (status & FE_HAS_LOCK) { | |
318 | u32 ber; | |
319 | ||
320 | if (fe->ops.read_ber(fe, &ber) != 0) | |
321 | goto schedule; | |
322 | ||
323 | if (ber > 1000) | |
fff287bb | 324 | technisat_usb2_set_led(state->dev, 0, TECH_LED_BLINK); |
739ff04f | 325 | else |
fff287bb | 326 | technisat_usb2_set_led(state->dev, 0, TECH_LED_ON); |
739ff04f | 327 | } else |
fff287bb | 328 | technisat_usb2_set_led(state->dev, 0, TECH_LED_OFF); |
739ff04f PB |
329 | } |
330 | ||
331 | schedule: | |
332 | schedule_delayed_work(&state->green_led_work, | |
333 | msecs_to_jiffies(500)); | |
334 | } | |
335 | ||
336 | /* method to find out whether the firmware has to be downloaded or not */ | |
337 | static int technisat_usb2_identify_state(struct usb_device *udev, | |
338 | struct dvb_usb_device_properties *props, | |
339 | struct dvb_usb_device_description **desc, int *cold) | |
340 | { | |
341 | int ret; | |
5d0f2df4 MCC |
342 | u8 *version; |
343 | ||
344 | version = kmalloc(3, GFP_KERNEL); | |
345 | if (!version) | |
346 | return -ENOMEM; | |
739ff04f PB |
347 | |
348 | /* first select the interface */ | |
1f075d1f | 349 | if (usb_set_interface(udev, 0, 1) != 0) |
739ff04f | 350 | err("could not set alternate setting to 0"); |
1f075d1f | 351 | else |
739ff04f | 352 | info("set alternate setting"); |
739ff04f PB |
353 | |
354 | *cold = 0; /* by default do not download a firmware - just in case something is wrong */ | |
355 | ||
356 | ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), | |
357 | GET_VERSION_INFO_VENDOR_REQUEST, | |
358 | USB_TYPE_VENDOR | USB_DIR_IN, | |
359 | 0, 0, | |
5d0f2df4 | 360 | version, 3, 500); |
739ff04f PB |
361 | |
362 | if (ret < 0) | |
363 | *cold = 1; | |
364 | else { | |
365 | info("firmware version: %d.%d", version[1], version[2]); | |
366 | *cold = 0; | |
367 | } | |
368 | ||
5d0f2df4 MCC |
369 | kfree(version); |
370 | ||
739ff04f PB |
371 | return 0; |
372 | } | |
373 | ||
374 | /* power control */ | |
375 | static int technisat_usb2_power_ctrl(struct dvb_usb_device *d, int level) | |
376 | { | |
377 | struct technisat_usb2_state *state = d->priv; | |
378 | ||
379 | state->power_state = level; | |
380 | ||
381 | if (disable_led_control) | |
382 | return 0; | |
383 | ||
384 | /* green led is turned off in any case - will be turned on when tuning */ | |
fff287bb | 385 | technisat_usb2_set_led(d, 0, TECH_LED_OFF); |
739ff04f | 386 | /* red led is turned on all the time */ |
fff287bb | 387 | technisat_usb2_set_led(d, 1, TECH_LED_ON); |
739ff04f PB |
388 | return 0; |
389 | } | |
390 | ||
391 | /* mac address reading - from the eeprom */ | |
392 | #if 0 | |
393 | static void technisat_usb2_eeprom_dump(struct dvb_usb_device *d) | |
394 | { | |
395 | u8 reg; | |
396 | u8 b[16]; | |
1f075d1f | 397 | int i, j; |
739ff04f PB |
398 | |
399 | /* full EEPROM dump */ | |
400 | for (j = 0; j < 256 * 4; j += 16) { | |
401 | reg = j; | |
402 | if (technisat_usb2_i2c_access(d->udev, 0x50 + j / 256, ®, 1, b, 16) != 0) | |
403 | break; | |
404 | ||
405 | deb_eeprom("EEPROM: %01x%02x: ", j / 256, reg); | |
406 | for (i = 0; i < 16; i++) | |
407 | deb_eeprom("%02x ", b[i]); | |
408 | deb_eeprom("\n"); | |
409 | } | |
410 | } | |
411 | #endif | |
412 | ||
413 | static u8 technisat_usb2_calc_lrc(const u8 *b, u16 length) | |
414 | { | |
415 | u8 lrc = 0; | |
416 | while (--length) | |
417 | lrc ^= *b++; | |
418 | return lrc; | |
419 | } | |
420 | ||
421 | static int technisat_usb2_eeprom_lrc_read(struct dvb_usb_device *d, | |
422 | u16 offset, u8 *b, u16 length, u8 tries) | |
423 | { | |
424 | u8 bo = offset & 0xff; | |
425 | struct i2c_msg msg[] = { | |
426 | { | |
427 | .addr = 0x50 | ((offset >> 8) & 0x3), | |
428 | .buf = &bo, | |
429 | .len = 1 | |
430 | }, { | |
431 | .addr = 0x50 | ((offset >> 8) & 0x3), | |
432 | .flags = I2C_M_RD, | |
433 | .buf = b, | |
434 | .len = length | |
435 | } | |
436 | }; | |
437 | ||
438 | while (tries--) { | |
439 | int status; | |
440 | ||
441 | if (i2c_transfer(&d->i2c_adap, msg, 2) != 2) | |
442 | break; | |
443 | ||
444 | status = | |
445 | technisat_usb2_calc_lrc(b, length - 1) == b[length - 1]; | |
446 | ||
447 | if (status) | |
448 | return 0; | |
449 | } | |
450 | ||
451 | return -EREMOTEIO; | |
452 | } | |
453 | ||
454 | #define EEPROM_MAC_START 0x3f8 | |
455 | #define EEPROM_MAC_TOTAL 8 | |
456 | static int technisat_usb2_read_mac_address(struct dvb_usb_device *d, | |
457 | u8 mac[]) | |
458 | { | |
459 | u8 buf[EEPROM_MAC_TOTAL]; | |
460 | ||
461 | if (technisat_usb2_eeprom_lrc_read(d, EEPROM_MAC_START, | |
462 | buf, EEPROM_MAC_TOTAL, 4) != 0) | |
463 | return -ENODEV; | |
464 | ||
465 | memcpy(mac, buf, 6); | |
466 | return 0; | |
467 | } | |
468 | ||
a2ea5561 MCC |
469 | static struct stv090x_config technisat_usb2_stv090x_config; |
470 | ||
739ff04f PB |
471 | /* frontend attach */ |
472 | static int technisat_usb2_set_voltage(struct dvb_frontend *fe, | |
0df289a2 | 473 | enum fe_sec_voltage voltage) |
739ff04f PB |
474 | { |
475 | int i; | |
476 | u8 gpio[3] = { 0 }; /* 0 = 2, 1 = 3, 2 = 4 */ | |
477 | ||
478 | gpio[2] = 1; /* high - voltage ? */ | |
479 | ||
480 | switch (voltage) { | |
481 | case SEC_VOLTAGE_13: | |
482 | gpio[0] = 1; | |
483 | break; | |
484 | case SEC_VOLTAGE_18: | |
485 | gpio[0] = 1; | |
486 | gpio[1] = 1; | |
487 | break; | |
488 | default: | |
489 | case SEC_VOLTAGE_OFF: | |
490 | break; | |
491 | } | |
492 | ||
493 | for (i = 0; i < 3; i++) | |
a2ea5561 MCC |
494 | if (technisat_usb2_stv090x_config.set_gpio(fe, i+2, 0, |
495 | gpio[i], 0) != 0) | |
739ff04f PB |
496 | return -EREMOTEIO; |
497 | return 0; | |
498 | } | |
499 | ||
500 | static struct stv090x_config technisat_usb2_stv090x_config = { | |
501 | .device = STV0903, | |
502 | .demod_mode = STV090x_SINGLE, | |
503 | .clk_mode = STV090x_CLK_EXT, | |
504 | ||
505 | .xtal = 8000000, | |
506 | .address = 0x68, | |
507 | ||
508 | .ts1_mode = STV090x_TSMODE_DVBCI, | |
509 | .ts1_clk = 13400000, | |
510 | .ts1_tei = 1, | |
511 | ||
512 | .repeater_level = STV090x_RPTLEVEL_64, | |
513 | ||
514 | .tuner_bbgain = 6, | |
515 | }; | |
516 | ||
517 | static struct stv6110x_config technisat_usb2_stv6110x_config = { | |
1f075d1f MCC |
518 | .addr = 0x60, |
519 | .refclk = 16000000, | |
520 | .clk_div = 2, | |
739ff04f PB |
521 | }; |
522 | ||
523 | static int technisat_usb2_frontend_attach(struct dvb_usb_adapter *a) | |
524 | { | |
525 | struct usb_device *udev = a->dev->udev; | |
526 | int ret; | |
527 | ||
77eed219 | 528 | a->fe_adap[0].fe = dvb_attach(stv090x_attach, &technisat_usb2_stv090x_config, |
739ff04f PB |
529 | &a->dev->i2c_adap, STV090x_DEMODULATOR_0); |
530 | ||
77eed219 | 531 | if (a->fe_adap[0].fe) { |
242c5033 | 532 | const struct stv6110x_devctl *ctl; |
739ff04f PB |
533 | |
534 | ctl = dvb_attach(stv6110x_attach, | |
77eed219 | 535 | a->fe_adap[0].fe, |
739ff04f PB |
536 | &technisat_usb2_stv6110x_config, |
537 | &a->dev->i2c_adap); | |
538 | ||
539 | if (ctl) { | |
540 | technisat_usb2_stv090x_config.tuner_init = ctl->tuner_init; | |
541 | technisat_usb2_stv090x_config.tuner_sleep = ctl->tuner_sleep; | |
542 | technisat_usb2_stv090x_config.tuner_set_mode = ctl->tuner_set_mode; | |
543 | technisat_usb2_stv090x_config.tuner_set_frequency = ctl->tuner_set_frequency; | |
544 | technisat_usb2_stv090x_config.tuner_get_frequency = ctl->tuner_get_frequency; | |
545 | technisat_usb2_stv090x_config.tuner_set_bandwidth = ctl->tuner_set_bandwidth; | |
546 | technisat_usb2_stv090x_config.tuner_get_bandwidth = ctl->tuner_get_bandwidth; | |
547 | technisat_usb2_stv090x_config.tuner_set_bbgain = ctl->tuner_set_bbgain; | |
548 | technisat_usb2_stv090x_config.tuner_get_bbgain = ctl->tuner_get_bbgain; | |
549 | technisat_usb2_stv090x_config.tuner_set_refclk = ctl->tuner_set_refclk; | |
550 | technisat_usb2_stv090x_config.tuner_get_status = ctl->tuner_get_status; | |
551 | ||
552 | /* call the init function once to initialize | |
553 | tuner's clock output divider and demod's | |
554 | master clock */ | |
77eed219 MK |
555 | if (a->fe_adap[0].fe->ops.init) |
556 | a->fe_adap[0].fe->ops.init(a->fe_adap[0].fe); | |
739ff04f PB |
557 | |
558 | if (mutex_lock_interruptible(&a->dev->i2c_mutex) < 0) | |
559 | return -EAGAIN; | |
560 | ||
561 | ret = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), | |
562 | SET_IFCLK_TO_EXTERNAL_TSCLK_VENDOR_REQUEST, | |
563 | USB_TYPE_VENDOR | USB_DIR_OUT, | |
564 | 0, 0, | |
565 | NULL, 0, 500); | |
566 | mutex_unlock(&a->dev->i2c_mutex); | |
567 | ||
568 | if (ret != 0) | |
569 | err("could not set IF_CLK to external"); | |
570 | ||
77eed219 | 571 | a->fe_adap[0].fe->ops.set_voltage = technisat_usb2_set_voltage; |
739ff04f PB |
572 | |
573 | /* if everything was successful assign a nice name to the frontend */ | |
77eed219 MK |
574 | strlcpy(a->fe_adap[0].fe->ops.info.name, a->dev->desc->name, |
575 | sizeof(a->fe_adap[0].fe->ops.info.name)); | |
739ff04f | 576 | } else { |
77eed219 MK |
577 | dvb_frontend_detach(a->fe_adap[0].fe); |
578 | a->fe_adap[0].fe = NULL; | |
739ff04f PB |
579 | } |
580 | } | |
581 | ||
582 | technisat_usb2_set_led_timer(a->dev, 1, 1); | |
583 | ||
77eed219 | 584 | return a->fe_adap[0].fe == NULL ? -ENODEV : 0; |
739ff04f PB |
585 | } |
586 | ||
587 | /* Remote control */ | |
588 | ||
589 | /* the device is giving providing raw IR-signals to the host mapping | |
590 | * it only to one remote control is just the default implementation | |
591 | */ | |
592 | #define NOMINAL_IR_BIT_TRANSITION_TIME_US 889 | |
593 | #define NOMINAL_IR_BIT_TIME_US (2 * NOMINAL_IR_BIT_TRANSITION_TIME_US) | |
594 | ||
595 | #define FIRMWARE_CLOCK_TICK 83333 | |
596 | #define FIRMWARE_CLOCK_DIVISOR 256 | |
597 | ||
598 | #define IR_PERCENT_TOLERANCE 15 | |
599 | ||
600 | #define NOMINAL_IR_BIT_TRANSITION_TICKS ((NOMINAL_IR_BIT_TRANSITION_TIME_US * 1000 * 1000) / FIRMWARE_CLOCK_TICK) | |
601 | #define NOMINAL_IR_BIT_TRANSITION_TICK_COUNT (NOMINAL_IR_BIT_TRANSITION_TICKS / FIRMWARE_CLOCK_DIVISOR) | |
602 | ||
603 | #define NOMINAL_IR_BIT_TIME_TICKS ((NOMINAL_IR_BIT_TIME_US * 1000 * 1000) / FIRMWARE_CLOCK_TICK) | |
604 | #define NOMINAL_IR_BIT_TIME_TICK_COUNT (NOMINAL_IR_BIT_TIME_TICKS / FIRMWARE_CLOCK_DIVISOR) | |
605 | ||
606 | #define MINIMUM_IR_BIT_TRANSITION_TICK_COUNT (NOMINAL_IR_BIT_TRANSITION_TICK_COUNT - ((NOMINAL_IR_BIT_TRANSITION_TICK_COUNT * IR_PERCENT_TOLERANCE) / 100)) | |
607 | #define MAXIMUM_IR_BIT_TRANSITION_TICK_COUNT (NOMINAL_IR_BIT_TRANSITION_TICK_COUNT + ((NOMINAL_IR_BIT_TRANSITION_TICK_COUNT * IR_PERCENT_TOLERANCE) / 100)) | |
608 | ||
609 | #define MINIMUM_IR_BIT_TIME_TICK_COUNT (NOMINAL_IR_BIT_TIME_TICK_COUNT - ((NOMINAL_IR_BIT_TIME_TICK_COUNT * IR_PERCENT_TOLERANCE) / 100)) | |
610 | #define MAXIMUM_IR_BIT_TIME_TICK_COUNT (NOMINAL_IR_BIT_TIME_TICK_COUNT + ((NOMINAL_IR_BIT_TIME_TICK_COUNT * IR_PERCENT_TOLERANCE) / 100)) | |
611 | ||
612 | static int technisat_usb2_get_ir(struct dvb_usb_device *d) | |
613 | { | |
5d0f2df4 MCC |
614 | struct technisat_usb2_state *state = d->priv; |
615 | u8 *buf = state->buf; | |
616 | u8 *b; | |
739ff04f PB |
617 | int ret; |
618 | struct ir_raw_event ev; | |
619 | ||
620 | buf[0] = GET_IR_DATA_VENDOR_REQUEST; | |
621 | buf[1] = 0x08; | |
622 | buf[2] = 0x8f; | |
623 | buf[3] = MINIMUM_IR_BIT_TRANSITION_TICK_COUNT; | |
624 | buf[4] = MAXIMUM_IR_BIT_TIME_TICK_COUNT; | |
625 | ||
626 | if (mutex_lock_interruptible(&d->i2c_mutex) < 0) | |
627 | return -EAGAIN; | |
628 | ret = usb_control_msg(d->udev, usb_sndctrlpipe(d->udev, 0), | |
629 | GET_IR_DATA_VENDOR_REQUEST, | |
630 | USB_TYPE_VENDOR | USB_DIR_OUT, | |
631 | 0, 0, | |
632 | buf, 5, 500); | |
633 | if (ret < 0) | |
634 | goto unlock; | |
635 | ||
636 | buf[1] = 0; | |
637 | buf[2] = 0; | |
638 | ret = usb_control_msg(d->udev, usb_rcvctrlpipe(d->udev, 0), | |
639 | GET_IR_DATA_VENDOR_REQUEST, | |
640 | USB_TYPE_VENDOR | USB_DIR_IN, | |
641 | 0x8080, 0, | |
5d0f2df4 | 642 | buf, 62, 500); |
739ff04f PB |
643 | |
644 | unlock: | |
645 | mutex_unlock(&d->i2c_mutex); | |
646 | ||
647 | if (ret < 0) | |
648 | return ret; | |
649 | ||
650 | if (ret == 1) | |
651 | return 0; /* no key pressed */ | |
652 | ||
653 | /* decoding */ | |
654 | b = buf+1; | |
655 | ||
656 | #if 0 | |
657 | deb_rc("RC: %d ", ret); | |
658 | debug_dump(b, ret, deb_rc); | |
659 | #endif | |
660 | ||
661 | ev.pulse = 0; | |
662 | while (1) { | |
663 | ev.pulse = !ev.pulse; | |
664 | ev.duration = (*b * FIRMWARE_CLOCK_DIVISOR * FIRMWARE_CLOCK_TICK) / 1000; | |
665 | ir_raw_event_store(d->rc_dev, &ev); | |
666 | ||
667 | b++; | |
668 | if (*b == 0xff) { | |
669 | ev.pulse = 0; | |
670 | ev.duration = 888888*2; | |
671 | ir_raw_event_store(d->rc_dev, &ev); | |
672 | break; | |
673 | } | |
674 | } | |
675 | ||
676 | ir_raw_event_handle(d->rc_dev); | |
677 | ||
678 | return 1; | |
679 | } | |
680 | ||
681 | static int technisat_usb2_rc_query(struct dvb_usb_device *d) | |
682 | { | |
683 | int ret = technisat_usb2_get_ir(d); | |
684 | ||
685 | if (ret < 0) | |
686 | return ret; | |
687 | ||
688 | if (ret == 0) | |
689 | return 0; | |
690 | ||
691 | if (!disable_led_control) | |
fff287bb | 692 | technisat_usb2_set_led(d, 1, TECH_LED_BLINK); |
739ff04f PB |
693 | |
694 | return 0; | |
695 | } | |
696 | ||
697 | /* DVB-USB and USB stuff follows */ | |
698 | static struct usb_device_id technisat_usb2_id_table[] = { | |
699 | { USB_DEVICE(USB_VID_TECHNISAT, USB_PID_TECHNISAT_USB2_DVB_S2) }, | |
700 | { 0 } /* Terminating entry */ | |
701 | }; | |
1309b336 | 702 | MODULE_DEVICE_TABLE(usb, technisat_usb2_id_table); |
739ff04f PB |
703 | |
704 | /* device description */ | |
705 | static struct dvb_usb_device_properties technisat_usb2_devices = { | |
706 | .caps = DVB_USB_IS_AN_I2C_ADAPTER, | |
707 | ||
708 | .usb_ctrl = CYPRESS_FX2, | |
709 | ||
710 | .identify_state = technisat_usb2_identify_state, | |
711 | .firmware = "dvb-usb-SkyStar_USB_HD_FW_v17_63.HEX.fw", | |
712 | ||
713 | .size_of_priv = sizeof(struct technisat_usb2_state), | |
714 | ||
715 | .i2c_algo = &technisat_usb2_i2c_algo, | |
716 | ||
717 | .power_ctrl = technisat_usb2_power_ctrl, | |
718 | .read_mac_address = technisat_usb2_read_mac_address, | |
719 | ||
720 | .num_adapters = 1, | |
721 | .adapter = { | |
722 | { | |
77eed219 MK |
723 | .num_frontends = 1, |
724 | .fe = {{ | |
739ff04f PB |
725 | .frontend_attach = technisat_usb2_frontend_attach, |
726 | ||
727 | .stream = { | |
728 | .type = USB_ISOC, | |
3139f43f | 729 | .count = 4, |
739ff04f PB |
730 | .endpoint = 0x2, |
731 | .u = { | |
732 | .isoc = { | |
733 | .framesperurb = 32, | |
734 | .framesize = 2048, | |
b5b62058 | 735 | .interval = 1, |
739ff04f PB |
736 | } |
737 | } | |
738 | }, | |
77eed219 | 739 | }}, |
739ff04f PB |
740 | .size_of_priv = 0, |
741 | }, | |
742 | }, | |
743 | ||
744 | .num_device_descs = 1, | |
745 | .devices = { | |
746 | { "Technisat SkyStar USB HD (DVB-S/S2)", | |
747 | { &technisat_usb2_id_table[0], NULL }, | |
748 | { NULL }, | |
749 | }, | |
750 | }, | |
751 | ||
752 | .rc.core = { | |
753 | .rc_interval = 100, | |
754 | .rc_codes = RC_MAP_TECHNISAT_USB2, | |
755 | .module_name = "technisat-usb2", | |
756 | .rc_query = technisat_usb2_rc_query, | |
c003ab1b | 757 | .allowed_protos = RC_BIT_ALL, |
739ff04f PB |
758 | .driver_type = RC_DRIVER_IR_RAW, |
759 | } | |
760 | }; | |
761 | ||
762 | static int technisat_usb2_probe(struct usb_interface *intf, | |
763 | const struct usb_device_id *id) | |
764 | { | |
765 | struct dvb_usb_device *dev; | |
766 | ||
767 | if (dvb_usb_device_init(intf, &technisat_usb2_devices, THIS_MODULE, | |
768 | &dev, adapter_nr) != 0) | |
769 | return -ENODEV; | |
770 | ||
771 | if (dev) { | |
772 | struct technisat_usb2_state *state = dev->priv; | |
773 | state->dev = dev; | |
774 | ||
775 | if (!disable_led_control) { | |
776 | INIT_DELAYED_WORK(&state->green_led_work, | |
777 | technisat_usb2_green_led_control); | |
778 | schedule_delayed_work(&state->green_led_work, | |
779 | msecs_to_jiffies(500)); | |
780 | } | |
781 | } | |
782 | ||
783 | return 0; | |
784 | } | |
785 | ||
786 | static void technisat_usb2_disconnect(struct usb_interface *intf) | |
787 | { | |
788 | struct dvb_usb_device *dev = usb_get_intfdata(intf); | |
789 | ||
790 | /* work and stuff was only created when the device is is hot-state */ | |
791 | if (dev != NULL) { | |
792 | struct technisat_usb2_state *state = dev->priv; | |
fe45e255 | 793 | if (state != NULL) |
4ec02ea0 | 794 | cancel_delayed_work_sync(&state->green_led_work); |
739ff04f PB |
795 | } |
796 | ||
797 | dvb_usb_device_exit(intf); | |
798 | } | |
799 | ||
800 | static struct usb_driver technisat_usb2_driver = { | |
801 | .name = "dvb_usb_technisat_usb2", | |
802 | .probe = technisat_usb2_probe, | |
803 | .disconnect = technisat_usb2_disconnect, | |
804 | .id_table = technisat_usb2_id_table, | |
805 | }; | |
806 | ||
ecb3b2b3 | 807 | module_usb_driver(technisat_usb2_driver); |
739ff04f PB |
808 | |
809 | MODULE_AUTHOR("Patrick Boettcher <pboettcher@kernellabs.com>"); | |
810 | MODULE_DESCRIPTION("Driver for Technisat DVB-S/S2 USB 2.0 device"); | |
811 | MODULE_VERSION("1.0"); | |
812 | MODULE_LICENSE("GPL"); |