1 /* Common methods for dibusb-based-receivers.
2 *
3 * Copyright (C) 2004-5 Patrick Boettcher (patrick.boettcher@desy.de)
4 *
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License as published by the Free
7 * Software Foundation, version 2.
8 *
9 * see Documentation/dvb/README.dvb-usb for more information
10 */
11
12 #include <linux/kconfig.h>
13 #include "dibusb.h"
14
15 /* Max transfer size done by I2C transfer functions */
16 #define MAX_XFER_SIZE 64
17
18 static int debug;
19 module_param(debug, int, 0644);
20 MODULE_PARM_DESC(debug, "set debugging level (1=info (|-able))." DVB_USB_DEBUG_STATUS);
21 MODULE_LICENSE("GPL");
22
23 #define deb_info(args...) dprintk(debug,0x01,args)
24
25 /* common stuff used by the different dibusb modules */
dibusb_streaming_ctrl(struct dvb_usb_adapter * adap,int onoff)26 int dibusb_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff)
27 {
28 if (adap->priv != NULL) {
29 struct dibusb_state *st = adap->priv;
30 if (st->ops.fifo_ctrl != NULL)
31 if (st->ops.fifo_ctrl(adap->fe_adap[0].fe, onoff)) {
32 err("error while controlling the fifo of the demod.");
33 return -ENODEV;
34 }
35 }
36 return 0;
37 }
38 EXPORT_SYMBOL(dibusb_streaming_ctrl);
39
dibusb_pid_filter(struct dvb_usb_adapter * adap,int index,u16 pid,int onoff)40 int dibusb_pid_filter(struct dvb_usb_adapter *adap, int index, u16 pid, int onoff)
41 {
42 if (adap->priv != NULL) {
43 struct dibusb_state *st = adap->priv;
44 if (st->ops.pid_ctrl != NULL)
45 st->ops.pid_ctrl(adap->fe_adap[0].fe,
46 index, pid, onoff);
47 }
48 return 0;
49 }
50 EXPORT_SYMBOL(dibusb_pid_filter);
51
dibusb_pid_filter_ctrl(struct dvb_usb_adapter * adap,int onoff)52 int dibusb_pid_filter_ctrl(struct dvb_usb_adapter *adap, int onoff)
53 {
54 if (adap->priv != NULL) {
55 struct dibusb_state *st = adap->priv;
56 if (st->ops.pid_parse != NULL)
57 if (st->ops.pid_parse(adap->fe_adap[0].fe, onoff) < 0)
58 err("could not handle pid_parser");
59 }
60 return 0;
61 }
62 EXPORT_SYMBOL(dibusb_pid_filter_ctrl);
63
dibusb_power_ctrl(struct dvb_usb_device * d,int onoff)64 int dibusb_power_ctrl(struct dvb_usb_device *d, int onoff)
65 {
66 u8 b[3];
67 int ret;
68 b[0] = DIBUSB_REQ_SET_IOCTL;
69 b[1] = DIBUSB_IOCTL_CMD_POWER_MODE;
70 b[2] = onoff ? DIBUSB_IOCTL_POWER_WAKEUP : DIBUSB_IOCTL_POWER_SLEEP;
71 ret = dvb_usb_generic_write(d,b,3);
72 msleep(10);
73 return ret;
74 }
75 EXPORT_SYMBOL(dibusb_power_ctrl);
76
dibusb2_0_streaming_ctrl(struct dvb_usb_adapter * adap,int onoff)77 int dibusb2_0_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff)
78 {
79 u8 b[3] = { 0 };
80 int ret;
81
82 if ((ret = dibusb_streaming_ctrl(adap,onoff)) < 0)
83 return ret;
84
85 if (onoff) {
86 b[0] = DIBUSB_REQ_SET_STREAMING_MODE;
87 b[1] = 0x00;
88 if ((ret = dvb_usb_generic_write(adap->dev,b,2)) < 0)
89 return ret;
90 }
91
92 b[0] = DIBUSB_REQ_SET_IOCTL;
93 b[1] = onoff ? DIBUSB_IOCTL_CMD_ENABLE_STREAM : DIBUSB_IOCTL_CMD_DISABLE_STREAM;
94 return dvb_usb_generic_write(adap->dev,b,3);
95 }
96 EXPORT_SYMBOL(dibusb2_0_streaming_ctrl);
97
dibusb2_0_power_ctrl(struct dvb_usb_device * d,int onoff)98 int dibusb2_0_power_ctrl(struct dvb_usb_device *d, int onoff)
99 {
100 if (onoff) {
101 u8 b[3] = { DIBUSB_REQ_SET_IOCTL, DIBUSB_IOCTL_CMD_POWER_MODE, DIBUSB_IOCTL_POWER_WAKEUP };
102 return dvb_usb_generic_write(d,b,3);
103 } else
104 return 0;
105 }
106 EXPORT_SYMBOL(dibusb2_0_power_ctrl);
107
dibusb_i2c_msg(struct dvb_usb_device * d,u8 addr,u8 * wbuf,u16 wlen,u8 * rbuf,u16 rlen)108 static int dibusb_i2c_msg(struct dvb_usb_device *d, u8 addr,
109 u8 *wbuf, u16 wlen, u8 *rbuf, u16 rlen)
110 {
111 u8 sndbuf[MAX_XFER_SIZE]; /* lead(1) devaddr,direction(1) addr(2) data(wlen) (len(2) (when reading)) */
112 /* write only ? */
113 int wo = (rbuf == NULL || rlen == 0),
114 len = 2 + wlen + (wo ? 0 : 2);
115
116 if (4 + wlen > sizeof(sndbuf)) {
117 warn("i2c wr: len=%d is too big!\n", wlen);
118 return -EOPNOTSUPP;
119 }
120
121 sndbuf[0] = wo ? DIBUSB_REQ_I2C_WRITE : DIBUSB_REQ_I2C_READ;
122 sndbuf[1] = (addr << 1) | (wo ? 0 : 1);
123
124 memcpy(&sndbuf[2],wbuf,wlen);
125
126 if (!wo) {
127 sndbuf[wlen+2] = (rlen >> 8) & 0xff;
128 sndbuf[wlen+3] = rlen & 0xff;
129 }
130
131 return dvb_usb_generic_rw(d,sndbuf,len,rbuf,rlen,0);
132 }
133
134 /*
135 * I2C master xfer function
136 */
dibusb_i2c_xfer(struct i2c_adapter * adap,struct i2c_msg msg[],int num)137 static int dibusb_i2c_xfer(struct i2c_adapter *adap,struct i2c_msg msg[],int num)
138 {
139 struct dvb_usb_device *d = i2c_get_adapdata(adap);
140 int i;
141
142 if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
143 return -EAGAIN;
144
145 for (i = 0; i < num; i++) {
146 /* write/read request */
147 if (i+1 < num && (msg[i].flags & I2C_M_RD) == 0
148 && (msg[i+1].flags & I2C_M_RD)) {
149 if (dibusb_i2c_msg(d, msg[i].addr, msg[i].buf,msg[i].len,
150 msg[i+1].buf,msg[i+1].len) < 0)
151 break;
152 i++;
153 } else if ((msg[i].flags & I2C_M_RD) == 0) {
154 if (dibusb_i2c_msg(d, msg[i].addr, msg[i].buf,msg[i].len,NULL,0) < 0)
155 break;
156 } else if (msg[i].addr != 0x50) {
157 /* 0x50 is the address of the eeprom - we need to protect it
158 * from dibusb's bad i2c implementation: reads without
159 * writing the offset before are forbidden */
160 if (dibusb_i2c_msg(d, msg[i].addr, NULL, 0, msg[i].buf, msg[i].len) < 0)
161 break;
162 }
163 }
164
165 mutex_unlock(&d->i2c_mutex);
166 return i;
167 }
168
dibusb_i2c_func(struct i2c_adapter * adapter)169 static u32 dibusb_i2c_func(struct i2c_adapter *adapter)
170 {
171 return I2C_FUNC_I2C;
172 }
173
174 struct i2c_algorithm dibusb_i2c_algo = {
175 .master_xfer = dibusb_i2c_xfer,
176 .functionality = dibusb_i2c_func,
177 };
178 EXPORT_SYMBOL(dibusb_i2c_algo);
179
dibusb_read_eeprom_byte(struct dvb_usb_device * d,u8 offs,u8 * val)180 int dibusb_read_eeprom_byte(struct dvb_usb_device *d, u8 offs, u8 *val)
181 {
182 u8 *buf;
183 int rc;
184
185 buf = kzalloc(2, GFP_KERNEL);
186 if (!buf)
187 return -ENOMEM;
188
189 buf[0] = offs;
190
191 rc = dibusb_i2c_msg(d, 0x50, &buf[0], 1, &buf[1], 1);
192 *val = buf[1];
193 kfree(buf);
194
195 return rc;
196 }
197 EXPORT_SYMBOL(dibusb_read_eeprom_byte);
198
199 /* 3000MC/P stuff */
200 // Config Adjacent channels Perf -cal22
201 static struct dibx000_agc_config dib3000p_mt2060_agc_config = {
202 .band_caps = BAND_VHF | BAND_UHF,
203 .setup = (1 << 8) | (5 << 5) | (1 << 4) | (1 << 3) | (0 << 2) | (2 << 0),
204
205 .agc1_max = 48497,
206 .agc1_min = 23593,
207 .agc2_max = 46531,
208 .agc2_min = 24904,
209
210 .agc1_pt1 = 0x65,
211 .agc1_pt2 = 0x69,
212
213 .agc1_slope1 = 0x51,
214 .agc1_slope2 = 0x27,
215
216 .agc2_pt1 = 0,
217 .agc2_pt2 = 0x33,
218
219 .agc2_slope1 = 0x35,
220 .agc2_slope2 = 0x37,
221 };
222
223 static struct dib3000mc_config stk3000p_dib3000p_config = {
224 &dib3000p_mt2060_agc_config,
225
226 .max_time = 0x196,
227 .ln_adc_level = 0x1cc7,
228
229 .output_mpeg2_in_188_bytes = 1,
230
231 .agc_command1 = 1,
232 .agc_command2 = 1,
233 };
234
235 static struct dibx000_agc_config dib3000p_panasonic_agc_config = {
236 .band_caps = BAND_VHF | BAND_UHF,
237 .setup = (1 << 8) | (5 << 5) | (1 << 4) | (1 << 3) | (0 << 2) | (2 << 0),
238
239 .agc1_max = 56361,
240 .agc1_min = 22282,
241 .agc2_max = 47841,
242 .agc2_min = 36045,
243
244 .agc1_pt1 = 0x3b,
245 .agc1_pt2 = 0x6b,
246
247 .agc1_slope1 = 0x55,
248 .agc1_slope2 = 0x1d,
249
250 .agc2_pt1 = 0,
251 .agc2_pt2 = 0x0a,
252
253 .agc2_slope1 = 0x95,
254 .agc2_slope2 = 0x1e,
255 };
256
257 #if IS_ENABLED(CONFIG_DVB_DIB3000MC)
258
259 static struct dib3000mc_config mod3000p_dib3000p_config = {
260 &dib3000p_panasonic_agc_config,
261
262 .max_time = 0x51,
263 .ln_adc_level = 0x1cc7,
264
265 .output_mpeg2_in_188_bytes = 1,
266
267 .agc_command1 = 1,
268 .agc_command2 = 1,
269 };
270
dibusb_dib3000mc_frontend_attach(struct dvb_usb_adapter * adap)271 int dibusb_dib3000mc_frontend_attach(struct dvb_usb_adapter *adap)
272 {
273 if (le16_to_cpu(adap->dev->udev->descriptor.idVendor) == USB_VID_LITEON &&
274 le16_to_cpu(adap->dev->udev->descriptor.idProduct) ==
275 USB_PID_LITEON_DVB_T_WARM) {
276 msleep(1000);
277 }
278
279 adap->fe_adap[0].fe = dvb_attach(dib3000mc_attach,
280 &adap->dev->i2c_adap,
281 DEFAULT_DIB3000P_I2C_ADDRESS,
282 &mod3000p_dib3000p_config);
283 if ((adap->fe_adap[0].fe) == NULL)
284 adap->fe_adap[0].fe = dvb_attach(dib3000mc_attach,
285 &adap->dev->i2c_adap,
286 DEFAULT_DIB3000MC_I2C_ADDRESS,
287 &mod3000p_dib3000p_config);
288 if ((adap->fe_adap[0].fe) != NULL) {
289 if (adap->priv != NULL) {
290 struct dibusb_state *st = adap->priv;
291 st->ops.pid_parse = dib3000mc_pid_parse;
292 st->ops.pid_ctrl = dib3000mc_pid_control;
293 }
294 return 0;
295 }
296 return -ENODEV;
297 }
298 EXPORT_SYMBOL(dibusb_dib3000mc_frontend_attach);
299
300 static struct mt2060_config stk3000p_mt2060_config = {
301 0x60
302 };
303
dibusb_dib3000mc_tuner_attach(struct dvb_usb_adapter * adap)304 int dibusb_dib3000mc_tuner_attach(struct dvb_usb_adapter *adap)
305 {
306 struct dibusb_state *st = adap->priv;
307 u8 a,b;
308 u16 if1 = 1220;
309 struct i2c_adapter *tun_i2c;
310
311 // First IF calibration for Liteon Sticks
312 if (le16_to_cpu(adap->dev->udev->descriptor.idVendor) == USB_VID_LITEON &&
313 le16_to_cpu(adap->dev->udev->descriptor.idProduct) == USB_PID_LITEON_DVB_T_WARM) {
314
315 dibusb_read_eeprom_byte(adap->dev,0x7E,&a);
316 dibusb_read_eeprom_byte(adap->dev,0x7F,&b);
317
318 if (a == 0x00)
319 if1 += b;
320 else if (a == 0x80)
321 if1 -= b;
322 else
323 warn("LITE-ON DVB-T: Strange IF1 calibration :%2X %2X\n", a, b);
324
325 } else if (le16_to_cpu(adap->dev->udev->descriptor.idVendor) == USB_VID_DIBCOM &&
326 le16_to_cpu(adap->dev->udev->descriptor.idProduct) == USB_PID_DIBCOM_MOD3001_WARM) {
327 u8 desc;
328 dibusb_read_eeprom_byte(adap->dev, 7, &desc);
329 if (desc == 2) {
330 a = 127;
331 do {
332 dibusb_read_eeprom_byte(adap->dev, a, &desc);
333 a--;
334 } while (a > 7 && (desc == 0xff || desc == 0x00));
335 if (desc & 0x80)
336 if1 -= (0xff - desc);
337 else
338 if1 += desc;
339 }
340 }
341
342 tun_i2c = dib3000mc_get_tuner_i2c_master(adap->fe_adap[0].fe, 1);
343 if (dvb_attach(mt2060_attach, adap->fe_adap[0].fe, tun_i2c, &stk3000p_mt2060_config, if1) == NULL) {
344 /* not found - use panasonic pll parameters */
345 if (dvb_attach(dvb_pll_attach, adap->fe_adap[0].fe, 0x60, tun_i2c, DVB_PLL_ENV57H1XD5) == NULL)
346 return -ENOMEM;
347 } else {
348 st->mt2060_present = 1;
349 /* set the correct parameters for the dib3000p */
350 dib3000mc_set_config(adap->fe_adap[0].fe, &stk3000p_dib3000p_config);
351 }
352 return 0;
353 }
354 EXPORT_SYMBOL(dibusb_dib3000mc_tuner_attach);
355 #endif
356
357 /*
358 * common remote control stuff
359 */
360 struct rc_map_table rc_map_dibusb_table[] = {
361 /* Key codes for the little Artec T1/Twinhan/HAMA/ remote. */
362 { 0x0016, KEY_POWER },
363 { 0x0010, KEY_MUTE },
364 { 0x0003, KEY_1 },
365 { 0x0001, KEY_2 },
366 { 0x0006, KEY_3 },
367 { 0x0009, KEY_4 },
368 { 0x001d, KEY_5 },
369 { 0x001f, KEY_6 },
370 { 0x000d, KEY_7 },
371 { 0x0019, KEY_8 },
372 { 0x001b, KEY_9 },
373 { 0x0015, KEY_0 },
374 { 0x0005, KEY_CHANNELUP },
375 { 0x0002, KEY_CHANNELDOWN },
376 { 0x001e, KEY_VOLUMEUP },
377 { 0x000a, KEY_VOLUMEDOWN },
378 { 0x0011, KEY_RECORD },
379 { 0x0017, KEY_FAVORITES }, /* Heart symbol - Channel list. */
380 { 0x0014, KEY_PLAY },
381 { 0x001a, KEY_STOP },
382 { 0x0040, KEY_REWIND },
383 { 0x0012, KEY_FASTFORWARD },
384 { 0x000e, KEY_PREVIOUS }, /* Recall - Previous channel. */
385 { 0x004c, KEY_PAUSE },
386 { 0x004d, KEY_SCREEN }, /* Full screen mode. */
387 { 0x0054, KEY_AUDIO }, /* MTS - Switch to secondary audio. */
388 /* additional keys TwinHan VisionPlus, the Artec seemingly not have */
389 { 0x000c, KEY_CANCEL }, /* Cancel */
390 { 0x001c, KEY_EPG }, /* EPG */
391 { 0x0000, KEY_TAB }, /* Tab */
392 { 0x0048, KEY_INFO }, /* Preview */
393 { 0x0004, KEY_LIST }, /* RecordList */
394 { 0x000f, KEY_TEXT }, /* Teletext */
395 /* Key codes for the KWorld/ADSTech/JetWay remote. */
396 { 0x8612, KEY_POWER },
397 { 0x860f, KEY_SELECT }, /* source */
398 { 0x860c, KEY_UNKNOWN }, /* scan */
399 { 0x860b, KEY_EPG },
400 { 0x8610, KEY_MUTE },
401 { 0x8601, KEY_1 },
402 { 0x8602, KEY_2 },
403 { 0x8603, KEY_3 },
404 { 0x8604, KEY_4 },
405 { 0x8605, KEY_5 },
406 { 0x8606, KEY_6 },
407 { 0x8607, KEY_7 },
408 { 0x8608, KEY_8 },
409 { 0x8609, KEY_9 },
410 { 0x860a, KEY_0 },
411 { 0x8618, KEY_ZOOM },
412 { 0x861c, KEY_UNKNOWN }, /* preview */
413 { 0x8613, KEY_UNKNOWN }, /* snap */
414 { 0x8600, KEY_UNDO },
415 { 0x861d, KEY_RECORD },
416 { 0x860d, KEY_STOP },
417 { 0x860e, KEY_PAUSE },
418 { 0x8616, KEY_PLAY },
419 { 0x8611, KEY_BACK },
420 { 0x8619, KEY_FORWARD },
421 { 0x8614, KEY_UNKNOWN }, /* pip */
422 { 0x8615, KEY_ESC },
423 { 0x861a, KEY_UP },
424 { 0x861e, KEY_DOWN },
425 { 0x861f, KEY_LEFT },
426 { 0x861b, KEY_RIGHT },
427
428 /* Key codes for the DiBcom MOD3000 remote. */
429 { 0x8000, KEY_MUTE },
430 { 0x8001, KEY_TEXT },
431 { 0x8002, KEY_HOME },
432 { 0x8003, KEY_POWER },
433
434 { 0x8004, KEY_RED },
435 { 0x8005, KEY_GREEN },
436 { 0x8006, KEY_YELLOW },
437 { 0x8007, KEY_BLUE },
438
439 { 0x8008, KEY_DVD },
440 { 0x8009, KEY_AUDIO },
441 { 0x800a, KEY_IMAGES }, /* Pictures */
442 { 0x800b, KEY_VIDEO },
443
444 { 0x800c, KEY_BACK },
445 { 0x800d, KEY_UP },
446 { 0x800e, KEY_RADIO },
447 { 0x800f, KEY_EPG },
448
449 { 0x8010, KEY_LEFT },
450 { 0x8011, KEY_OK },
451 { 0x8012, KEY_RIGHT },
452 { 0x8013, KEY_UNKNOWN }, /* SAP */
453
454 { 0x8014, KEY_TV },
455 { 0x8015, KEY_DOWN },
456 { 0x8016, KEY_MENU }, /* DVD Menu */
457 { 0x8017, KEY_LAST },
458
459 { 0x8018, KEY_RECORD },
460 { 0x8019, KEY_STOP },
461 { 0x801a, KEY_PAUSE },
462 { 0x801b, KEY_PLAY },
463
464 { 0x801c, KEY_PREVIOUS },
465 { 0x801d, KEY_REWIND },
466 { 0x801e, KEY_FASTFORWARD },
467 { 0x801f, KEY_NEXT},
468
469 { 0x8040, KEY_1 },
470 { 0x8041, KEY_2 },
471 { 0x8042, KEY_3 },
472 { 0x8043, KEY_CHANNELUP },
473
474 { 0x8044, KEY_4 },
475 { 0x8045, KEY_5 },
476 { 0x8046, KEY_6 },
477 { 0x8047, KEY_CHANNELDOWN },
478
479 { 0x8048, KEY_7 },
480 { 0x8049, KEY_8 },
481 { 0x804a, KEY_9 },
482 { 0x804b, KEY_VOLUMEUP },
483
484 { 0x804c, KEY_CLEAR },
485 { 0x804d, KEY_0 },
486 { 0x804e, KEY_ENTER },
487 { 0x804f, KEY_VOLUMEDOWN },
488 };
489 EXPORT_SYMBOL(rc_map_dibusb_table);
490
dibusb_rc_query(struct dvb_usb_device * d,u32 * event,int * state)491 int dibusb_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
492 {
493 u8 key[5],cmd = DIBUSB_REQ_POLL_REMOTE;
494 dvb_usb_generic_rw(d,&cmd,1,key,5,0);
495 dvb_usb_nec_rc_key_to_event(d,key,event,state);
496 if (key[0] != 0)
497 deb_info("key: %*ph\n", 5, key);
498 return 0;
499 }
500 EXPORT_SYMBOL(dibusb_rc_query);
501