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 #include "dibusb.h"
12 
13 static int debug;
14 module_param(debug, int, 0644);
15 MODULE_PARM_DESC(debug, "set debugging level (1=info (|-able))." DVB_USB_DEBUG_STATUS);
16 MODULE_LICENSE("GPL");
17 
18 #define deb_info(args...) dprintk(debug,0x01,args)
19 
20 /* common stuff used by the different dibusb modules */
21 int dibusb_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff)
22 {
23 	if (adap->priv != NULL) {
24 		struct dibusb_state *st = adap->priv;
25 		if (st->ops.fifo_ctrl != NULL)
26 			if (st->ops.fifo_ctrl(adap->fe_adap[0].fe, onoff)) {
27 				err("error while controlling the fifo of the demod.");
28 				return -ENODEV;
29 			}
30 	}
31 	return 0;
32 }
33 EXPORT_SYMBOL(dibusb_streaming_ctrl);
34 
35 int dibusb_pid_filter(struct dvb_usb_adapter *adap, int index, u16 pid, int onoff)
36 {
37 	if (adap->priv != NULL) {
38 		struct dibusb_state *st = adap->priv;
39 		if (st->ops.pid_ctrl != NULL)
40 			st->ops.pid_ctrl(adap->fe_adap[0].fe,
41 					 index, pid, onoff);
42 	}
43 	return 0;
44 }
45 EXPORT_SYMBOL(dibusb_pid_filter);
46 
47 int dibusb_pid_filter_ctrl(struct dvb_usb_adapter *adap, int onoff)
48 {
49 	if (adap->priv != NULL) {
50 		struct dibusb_state *st = adap->priv;
51 		if (st->ops.pid_parse != NULL)
52 			if (st->ops.pid_parse(adap->fe_adap[0].fe, onoff) < 0)
53 				err("could not handle pid_parser");
54 	}
55 	return 0;
56 }
57 EXPORT_SYMBOL(dibusb_pid_filter_ctrl);
58 
59 int dibusb_power_ctrl(struct dvb_usb_device *d, int onoff)
60 {
61 	u8 b[3];
62 	int ret;
63 	b[0] = DIBUSB_REQ_SET_IOCTL;
64 	b[1] = DIBUSB_IOCTL_CMD_POWER_MODE;
65 	b[2] = onoff ? DIBUSB_IOCTL_POWER_WAKEUP : DIBUSB_IOCTL_POWER_SLEEP;
66 	ret = dvb_usb_generic_write(d,b,3);
67 	msleep(10);
68 	return ret;
69 }
70 EXPORT_SYMBOL(dibusb_power_ctrl);
71 
72 int dibusb2_0_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff)
73 {
74 	u8 b[3] = { 0 };
75 	int ret;
76 
77 	if ((ret = dibusb_streaming_ctrl(adap,onoff)) < 0)
78 		return ret;
79 
80 	if (onoff) {
81 		b[0] = DIBUSB_REQ_SET_STREAMING_MODE;
82 		b[1] = 0x00;
83 		if ((ret = dvb_usb_generic_write(adap->dev,b,2)) < 0)
84 			return ret;
85 	}
86 
87 	b[0] = DIBUSB_REQ_SET_IOCTL;
88 	b[1] = onoff ? DIBUSB_IOCTL_CMD_ENABLE_STREAM : DIBUSB_IOCTL_CMD_DISABLE_STREAM;
89 	return dvb_usb_generic_write(adap->dev,b,3);
90 }
91 EXPORT_SYMBOL(dibusb2_0_streaming_ctrl);
92 
93 int dibusb2_0_power_ctrl(struct dvb_usb_device *d, int onoff)
94 {
95 	if (onoff) {
96 		u8 b[3] = { DIBUSB_REQ_SET_IOCTL, DIBUSB_IOCTL_CMD_POWER_MODE, DIBUSB_IOCTL_POWER_WAKEUP };
97 		return dvb_usb_generic_write(d,b,3);
98 	} else
99 		return 0;
100 }
101 EXPORT_SYMBOL(dibusb2_0_power_ctrl);
102 
103 static int dibusb_i2c_msg(struct dvb_usb_device *d, u8 addr,
104 			  u8 *wbuf, u16 wlen, u8 *rbuf, u16 rlen)
105 {
106 	u8 sndbuf[wlen+4]; /* lead(1) devaddr,direction(1) addr(2) data(wlen) (len(2) (when reading)) */
107 	/* write only ? */
108 	int wo = (rbuf == NULL || rlen == 0),
109 		len = 2 + wlen + (wo ? 0 : 2);
110 
111 	sndbuf[0] = wo ? DIBUSB_REQ_I2C_WRITE : DIBUSB_REQ_I2C_READ;
112 	sndbuf[1] = (addr << 1) | (wo ? 0 : 1);
113 
114 	memcpy(&sndbuf[2],wbuf,wlen);
115 
116 	if (!wo) {
117 		sndbuf[wlen+2] = (rlen >> 8) & 0xff;
118 		sndbuf[wlen+3] = rlen & 0xff;
119 	}
120 
121 	return dvb_usb_generic_rw(d,sndbuf,len,rbuf,rlen,0);
122 }
123 
124 /*
125  * I2C master xfer function
126  */
127 static int dibusb_i2c_xfer(struct i2c_adapter *adap,struct i2c_msg msg[],int num)
128 {
129 	struct dvb_usb_device *d = i2c_get_adapdata(adap);
130 	int i;
131 
132 	if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
133 		return -EAGAIN;
134 
135 	for (i = 0; i < num; i++) {
136 		/* write/read request */
137 		if (i+1 < num && (msg[i].flags & I2C_M_RD) == 0
138 					  && (msg[i+1].flags & I2C_M_RD)) {
139 			if (dibusb_i2c_msg(d, msg[i].addr, msg[i].buf,msg[i].len,
140 						msg[i+1].buf,msg[i+1].len) < 0)
141 				break;
142 			i++;
143 		} else if ((msg[i].flags & I2C_M_RD) == 0) {
144 			if (dibusb_i2c_msg(d, msg[i].addr, msg[i].buf,msg[i].len,NULL,0) < 0)
145 				break;
146 		} else if (msg[i].addr != 0x50) {
147 			/* 0x50 is the address of the eeprom - we need to protect it
148 			 * from dibusb's bad i2c implementation: reads without
149 			 * writing the offset before are forbidden */
150 			if (dibusb_i2c_msg(d, msg[i].addr, NULL, 0, msg[i].buf, msg[i].len) < 0)
151 				break;
152 		}
153 	}
154 
155 	mutex_unlock(&d->i2c_mutex);
156 	return i;
157 }
158 
159 static u32 dibusb_i2c_func(struct i2c_adapter *adapter)
160 {
161 	return I2C_FUNC_I2C;
162 }
163 
164 struct i2c_algorithm dibusb_i2c_algo = {
165 	.master_xfer   = dibusb_i2c_xfer,
166 	.functionality = dibusb_i2c_func,
167 };
168 EXPORT_SYMBOL(dibusb_i2c_algo);
169 
170 int dibusb_read_eeprom_byte(struct dvb_usb_device *d, u8 offs, u8 *val)
171 {
172 	u8 wbuf[1] = { offs };
173 	return dibusb_i2c_msg(d, 0x50, wbuf, 1, val, 1);
174 }
175 EXPORT_SYMBOL(dibusb_read_eeprom_byte);
176 
177 /* 3000MC/P stuff */
178 // Config Adjacent channels  Perf -cal22
179 static struct dibx000_agc_config dib3000p_mt2060_agc_config = {
180 	.band_caps = BAND_VHF | BAND_UHF,
181 	.setup     = (1 << 8) | (5 << 5) | (1 << 4) | (1 << 3) | (0 << 2) | (2 << 0),
182 
183 	.agc1_max = 48497,
184 	.agc1_min = 23593,
185 	.agc2_max = 46531,
186 	.agc2_min = 24904,
187 
188 	.agc1_pt1 = 0x65,
189 	.agc1_pt2 = 0x69,
190 
191 	.agc1_slope1 = 0x51,
192 	.agc1_slope2 = 0x27,
193 
194 	.agc2_pt1 = 0,
195 	.agc2_pt2 = 0x33,
196 
197 	.agc2_slope1 = 0x35,
198 	.agc2_slope2 = 0x37,
199 };
200 
201 static struct dib3000mc_config stk3000p_dib3000p_config = {
202 	&dib3000p_mt2060_agc_config,
203 
204 	.max_time     = 0x196,
205 	.ln_adc_level = 0x1cc7,
206 
207 	.output_mpeg2_in_188_bytes = 1,
208 
209 	.agc_command1 = 1,
210 	.agc_command2 = 1,
211 };
212 
213 static struct dibx000_agc_config dib3000p_panasonic_agc_config = {
214 	.band_caps = BAND_VHF | BAND_UHF,
215 	.setup     = (1 << 8) | (5 << 5) | (1 << 4) | (1 << 3) | (0 << 2) | (2 << 0),
216 
217 	.agc1_max = 56361,
218 	.agc1_min = 22282,
219 	.agc2_max = 47841,
220 	.agc2_min = 36045,
221 
222 	.agc1_pt1 = 0x3b,
223 	.agc1_pt2 = 0x6b,
224 
225 	.agc1_slope1 = 0x55,
226 	.agc1_slope2 = 0x1d,
227 
228 	.agc2_pt1 = 0,
229 	.agc2_pt2 = 0x0a,
230 
231 	.agc2_slope1 = 0x95,
232 	.agc2_slope2 = 0x1e,
233 };
234 
235 #if defined(CONFIG_DVB_DIB3000MC) || 					\
236 	(defined(CONFIG_DVB_DIB3000MC_MODULE) && defined(MODULE))
237 
238 static struct dib3000mc_config mod3000p_dib3000p_config = {
239 	&dib3000p_panasonic_agc_config,
240 
241 	.max_time     = 0x51,
242 	.ln_adc_level = 0x1cc7,
243 
244 	.output_mpeg2_in_188_bytes = 1,
245 
246 	.agc_command1 = 1,
247 	.agc_command2 = 1,
248 };
249 
250 int dibusb_dib3000mc_frontend_attach(struct dvb_usb_adapter *adap)
251 {
252 	if (adap->dev->udev->descriptor.idVendor  == USB_VID_LITEON &&
253 			adap->dev->udev->descriptor.idProduct ==
254 			USB_PID_LITEON_DVB_T_WARM) {
255 		msleep(1000);
256 	}
257 
258 	adap->fe_adap[0].fe = dvb_attach(dib3000mc_attach,
259 					 &adap->dev->i2c_adap,
260 					 DEFAULT_DIB3000P_I2C_ADDRESS,
261 					 &mod3000p_dib3000p_config);
262 	if ((adap->fe_adap[0].fe) == NULL)
263 		adap->fe_adap[0].fe = dvb_attach(dib3000mc_attach,
264 						 &adap->dev->i2c_adap,
265 						 DEFAULT_DIB3000MC_I2C_ADDRESS,
266 						 &mod3000p_dib3000p_config);
267 	if ((adap->fe_adap[0].fe) != NULL) {
268 		if (adap->priv != NULL) {
269 			struct dibusb_state *st = adap->priv;
270 			st->ops.pid_parse = dib3000mc_pid_parse;
271 			st->ops.pid_ctrl  = dib3000mc_pid_control;
272 		}
273 		return 0;
274 	}
275 	return -ENODEV;
276 }
277 EXPORT_SYMBOL(dibusb_dib3000mc_frontend_attach);
278 
279 static struct mt2060_config stk3000p_mt2060_config = {
280 	0x60
281 };
282 
283 int dibusb_dib3000mc_tuner_attach(struct dvb_usb_adapter *adap)
284 {
285 	struct dibusb_state *st = adap->priv;
286 	u8 a,b;
287 	u16 if1 = 1220;
288 	struct i2c_adapter *tun_i2c;
289 
290 	// First IF calibration for Liteon Sticks
291 	if (adap->dev->udev->descriptor.idVendor  == USB_VID_LITEON &&
292 		adap->dev->udev->descriptor.idProduct == USB_PID_LITEON_DVB_T_WARM) {
293 
294 		dibusb_read_eeprom_byte(adap->dev,0x7E,&a);
295 		dibusb_read_eeprom_byte(adap->dev,0x7F,&b);
296 
297 		if (a == 0x00)
298 			if1 += b;
299 		else if (a == 0x80)
300 			if1 -= b;
301 		else
302 			warn("LITE-ON DVB-T: Strange IF1 calibration :%2X %2X\n", a, b);
303 
304 	} else if (adap->dev->udev->descriptor.idVendor  == USB_VID_DIBCOM &&
305 		   adap->dev->udev->descriptor.idProduct == USB_PID_DIBCOM_MOD3001_WARM) {
306 		u8 desc;
307 		dibusb_read_eeprom_byte(adap->dev, 7, &desc);
308 		if (desc == 2) {
309 			a = 127;
310 			do {
311 				dibusb_read_eeprom_byte(adap->dev, a, &desc);
312 				a--;
313 			} while (a > 7 && (desc == 0xff || desc == 0x00));
314 			if (desc & 0x80)
315 				if1 -= (0xff - desc);
316 			else
317 				if1 += desc;
318 		}
319 	}
320 
321 	tun_i2c = dib3000mc_get_tuner_i2c_master(adap->fe_adap[0].fe, 1);
322 	if (dvb_attach(mt2060_attach, adap->fe_adap[0].fe, tun_i2c, &stk3000p_mt2060_config, if1) == NULL) {
323 		/* not found - use panasonic pll parameters */
324 		if (dvb_attach(dvb_pll_attach, adap->fe_adap[0].fe, 0x60, tun_i2c, DVB_PLL_ENV57H1XD5) == NULL)
325 			return -ENOMEM;
326 	} else {
327 		st->mt2060_present = 1;
328 		/* set the correct parameters for the dib3000p */
329 		dib3000mc_set_config(adap->fe_adap[0].fe, &stk3000p_dib3000p_config);
330 	}
331 	return 0;
332 }
333 EXPORT_SYMBOL(dibusb_dib3000mc_tuner_attach);
334 #endif
335 
336 /*
337  * common remote control stuff
338  */
339 struct rc_map_table rc_map_dibusb_table[] = {
340 	/* Key codes for the little Artec T1/Twinhan/HAMA/ remote. */
341 	{ 0x0016, KEY_POWER },
342 	{ 0x0010, KEY_MUTE },
343 	{ 0x0003, KEY_1 },
344 	{ 0x0001, KEY_2 },
345 	{ 0x0006, KEY_3 },
346 	{ 0x0009, KEY_4 },
347 	{ 0x001d, KEY_5 },
348 	{ 0x001f, KEY_6 },
349 	{ 0x000d, KEY_7 },
350 	{ 0x0019, KEY_8 },
351 	{ 0x001b, KEY_9 },
352 	{ 0x0015, KEY_0 },
353 	{ 0x0005, KEY_CHANNELUP },
354 	{ 0x0002, KEY_CHANNELDOWN },
355 	{ 0x001e, KEY_VOLUMEUP },
356 	{ 0x000a, KEY_VOLUMEDOWN },
357 	{ 0x0011, KEY_RECORD },
358 	{ 0x0017, KEY_FAVORITES }, /* Heart symbol - Channel list. */
359 	{ 0x0014, KEY_PLAY },
360 	{ 0x001a, KEY_STOP },
361 	{ 0x0040, KEY_REWIND },
362 	{ 0x0012, KEY_FASTFORWARD },
363 	{ 0x000e, KEY_PREVIOUS }, /* Recall - Previous channel. */
364 	{ 0x004c, KEY_PAUSE },
365 	{ 0x004d, KEY_SCREEN }, /* Full screen mode. */
366 	{ 0x0054, KEY_AUDIO }, /* MTS - Switch to secondary audio. */
367 	/* additional keys TwinHan VisionPlus, the Artec seemingly not have */
368 	{ 0x000c, KEY_CANCEL }, /* Cancel */
369 	{ 0x001c, KEY_EPG }, /* EPG */
370 	{ 0x0000, KEY_TAB }, /* Tab */
371 	{ 0x0048, KEY_INFO }, /* Preview */
372 	{ 0x0004, KEY_LIST }, /* RecordList */
373 	{ 0x000f, KEY_TEXT }, /* Teletext */
374 	/* Key codes for the KWorld/ADSTech/JetWay remote. */
375 	{ 0x8612, KEY_POWER },
376 	{ 0x860f, KEY_SELECT }, /* source */
377 	{ 0x860c, KEY_UNKNOWN }, /* scan */
378 	{ 0x860b, KEY_EPG },
379 	{ 0x8610, KEY_MUTE },
380 	{ 0x8601, KEY_1 },
381 	{ 0x8602, KEY_2 },
382 	{ 0x8603, KEY_3 },
383 	{ 0x8604, KEY_4 },
384 	{ 0x8605, KEY_5 },
385 	{ 0x8606, KEY_6 },
386 	{ 0x8607, KEY_7 },
387 	{ 0x8608, KEY_8 },
388 	{ 0x8609, KEY_9 },
389 	{ 0x860a, KEY_0 },
390 	{ 0x8618, KEY_ZOOM },
391 	{ 0x861c, KEY_UNKNOWN }, /* preview */
392 	{ 0x8613, KEY_UNKNOWN }, /* snap */
393 	{ 0x8600, KEY_UNDO },
394 	{ 0x861d, KEY_RECORD },
395 	{ 0x860d, KEY_STOP },
396 	{ 0x860e, KEY_PAUSE },
397 	{ 0x8616, KEY_PLAY },
398 	{ 0x8611, KEY_BACK },
399 	{ 0x8619, KEY_FORWARD },
400 	{ 0x8614, KEY_UNKNOWN }, /* pip */
401 	{ 0x8615, KEY_ESC },
402 	{ 0x861a, KEY_UP },
403 	{ 0x861e, KEY_DOWN },
404 	{ 0x861f, KEY_LEFT },
405 	{ 0x861b, KEY_RIGHT },
406 
407 	/* Key codes for the DiBcom MOD3000 remote. */
408 	{ 0x8000, KEY_MUTE },
409 	{ 0x8001, KEY_TEXT },
410 	{ 0x8002, KEY_HOME },
411 	{ 0x8003, KEY_POWER },
412 
413 	{ 0x8004, KEY_RED },
414 	{ 0x8005, KEY_GREEN },
415 	{ 0x8006, KEY_YELLOW },
416 	{ 0x8007, KEY_BLUE },
417 
418 	{ 0x8008, KEY_DVD },
419 	{ 0x8009, KEY_AUDIO },
420 	{ 0x800a, KEY_IMAGES },      /* Pictures */
421 	{ 0x800b, KEY_VIDEO },
422 
423 	{ 0x800c, KEY_BACK },
424 	{ 0x800d, KEY_UP },
425 	{ 0x800e, KEY_RADIO },
426 	{ 0x800f, KEY_EPG },
427 
428 	{ 0x8010, KEY_LEFT },
429 	{ 0x8011, KEY_OK },
430 	{ 0x8012, KEY_RIGHT },
431 	{ 0x8013, KEY_UNKNOWN },    /* SAP */
432 
433 	{ 0x8014, KEY_TV },
434 	{ 0x8015, KEY_DOWN },
435 	{ 0x8016, KEY_MENU },       /* DVD Menu */
436 	{ 0x8017, KEY_LAST },
437 
438 	{ 0x8018, KEY_RECORD },
439 	{ 0x8019, KEY_STOP },
440 	{ 0x801a, KEY_PAUSE },
441 	{ 0x801b, KEY_PLAY },
442 
443 	{ 0x801c, KEY_PREVIOUS },
444 	{ 0x801d, KEY_REWIND },
445 	{ 0x801e, KEY_FASTFORWARD },
446 	{ 0x801f, KEY_NEXT},
447 
448 	{ 0x8040, KEY_1 },
449 	{ 0x8041, KEY_2 },
450 	{ 0x8042, KEY_3 },
451 	{ 0x8043, KEY_CHANNELUP },
452 
453 	{ 0x8044, KEY_4 },
454 	{ 0x8045, KEY_5 },
455 	{ 0x8046, KEY_6 },
456 	{ 0x8047, KEY_CHANNELDOWN },
457 
458 	{ 0x8048, KEY_7 },
459 	{ 0x8049, KEY_8 },
460 	{ 0x804a, KEY_9 },
461 	{ 0x804b, KEY_VOLUMEUP },
462 
463 	{ 0x804c, KEY_CLEAR },
464 	{ 0x804d, KEY_0 },
465 	{ 0x804e, KEY_ENTER },
466 	{ 0x804f, KEY_VOLUMEDOWN },
467 };
468 EXPORT_SYMBOL(rc_map_dibusb_table);
469 
470 int dibusb_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
471 {
472 	u8 key[5],cmd = DIBUSB_REQ_POLL_REMOTE;
473 	dvb_usb_generic_rw(d,&cmd,1,key,5,0);
474 	dvb_usb_nec_rc_key_to_event(d,key,event,state);
475 	if (key[0] != 0)
476 		deb_info("key: %*ph\n", 5, key);
477 	return 0;
478 }
479 EXPORT_SYMBOL(dibusb_rc_query);
480