xref: /linux/drivers/media/usb/dvb-usb/dibusb-common.c (revision ca55b2fef3a9373fcfc30f82fd26bc7fccbda732)
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 */
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 
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 
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 
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 
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 
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 
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  */
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 
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 
180 int dibusb_read_eeprom_byte(struct dvb_usb_device *d, u8 offs, u8 *val)
181 {
182 	u8 wbuf[1] = { offs };
183 	return dibusb_i2c_msg(d, 0x50, wbuf, 1, val, 1);
184 }
185 EXPORT_SYMBOL(dibusb_read_eeprom_byte);
186 
187 /* 3000MC/P stuff */
188 // Config Adjacent channels  Perf -cal22
189 static struct dibx000_agc_config dib3000p_mt2060_agc_config = {
190 	.band_caps = BAND_VHF | BAND_UHF,
191 	.setup     = (1 << 8) | (5 << 5) | (1 << 4) | (1 << 3) | (0 << 2) | (2 << 0),
192 
193 	.agc1_max = 48497,
194 	.agc1_min = 23593,
195 	.agc2_max = 46531,
196 	.agc2_min = 24904,
197 
198 	.agc1_pt1 = 0x65,
199 	.agc1_pt2 = 0x69,
200 
201 	.agc1_slope1 = 0x51,
202 	.agc1_slope2 = 0x27,
203 
204 	.agc2_pt1 = 0,
205 	.agc2_pt2 = 0x33,
206 
207 	.agc2_slope1 = 0x35,
208 	.agc2_slope2 = 0x37,
209 };
210 
211 static struct dib3000mc_config stk3000p_dib3000p_config = {
212 	&dib3000p_mt2060_agc_config,
213 
214 	.max_time     = 0x196,
215 	.ln_adc_level = 0x1cc7,
216 
217 	.output_mpeg2_in_188_bytes = 1,
218 
219 	.agc_command1 = 1,
220 	.agc_command2 = 1,
221 };
222 
223 static struct dibx000_agc_config dib3000p_panasonic_agc_config = {
224 	.band_caps = BAND_VHF | BAND_UHF,
225 	.setup     = (1 << 8) | (5 << 5) | (1 << 4) | (1 << 3) | (0 << 2) | (2 << 0),
226 
227 	.agc1_max = 56361,
228 	.agc1_min = 22282,
229 	.agc2_max = 47841,
230 	.agc2_min = 36045,
231 
232 	.agc1_pt1 = 0x3b,
233 	.agc1_pt2 = 0x6b,
234 
235 	.agc1_slope1 = 0x55,
236 	.agc1_slope2 = 0x1d,
237 
238 	.agc2_pt1 = 0,
239 	.agc2_pt2 = 0x0a,
240 
241 	.agc2_slope1 = 0x95,
242 	.agc2_slope2 = 0x1e,
243 };
244 
245 #if IS_ENABLED(CONFIG_DVB_DIB3000MC)
246 
247 static struct dib3000mc_config mod3000p_dib3000p_config = {
248 	&dib3000p_panasonic_agc_config,
249 
250 	.max_time     = 0x51,
251 	.ln_adc_level = 0x1cc7,
252 
253 	.output_mpeg2_in_188_bytes = 1,
254 
255 	.agc_command1 = 1,
256 	.agc_command2 = 1,
257 };
258 
259 int dibusb_dib3000mc_frontend_attach(struct dvb_usb_adapter *adap)
260 {
261 	if (le16_to_cpu(adap->dev->udev->descriptor.idVendor) == USB_VID_LITEON &&
262 	    le16_to_cpu(adap->dev->udev->descriptor.idProduct) ==
263 			USB_PID_LITEON_DVB_T_WARM) {
264 		msleep(1000);
265 	}
266 
267 	adap->fe_adap[0].fe = dvb_attach(dib3000mc_attach,
268 					 &adap->dev->i2c_adap,
269 					 DEFAULT_DIB3000P_I2C_ADDRESS,
270 					 &mod3000p_dib3000p_config);
271 	if ((adap->fe_adap[0].fe) == NULL)
272 		adap->fe_adap[0].fe = dvb_attach(dib3000mc_attach,
273 						 &adap->dev->i2c_adap,
274 						 DEFAULT_DIB3000MC_I2C_ADDRESS,
275 						 &mod3000p_dib3000p_config);
276 	if ((adap->fe_adap[0].fe) != NULL) {
277 		if (adap->priv != NULL) {
278 			struct dibusb_state *st = adap->priv;
279 			st->ops.pid_parse = dib3000mc_pid_parse;
280 			st->ops.pid_ctrl  = dib3000mc_pid_control;
281 		}
282 		return 0;
283 	}
284 	return -ENODEV;
285 }
286 EXPORT_SYMBOL(dibusb_dib3000mc_frontend_attach);
287 
288 static struct mt2060_config stk3000p_mt2060_config = {
289 	0x60
290 };
291 
292 int dibusb_dib3000mc_tuner_attach(struct dvb_usb_adapter *adap)
293 {
294 	struct dibusb_state *st = adap->priv;
295 	u8 a,b;
296 	u16 if1 = 1220;
297 	struct i2c_adapter *tun_i2c;
298 
299 	// First IF calibration for Liteon Sticks
300 	if (le16_to_cpu(adap->dev->udev->descriptor.idVendor) == USB_VID_LITEON &&
301 	    le16_to_cpu(adap->dev->udev->descriptor.idProduct) == USB_PID_LITEON_DVB_T_WARM) {
302 
303 		dibusb_read_eeprom_byte(adap->dev,0x7E,&a);
304 		dibusb_read_eeprom_byte(adap->dev,0x7F,&b);
305 
306 		if (a == 0x00)
307 			if1 += b;
308 		else if (a == 0x80)
309 			if1 -= b;
310 		else
311 			warn("LITE-ON DVB-T: Strange IF1 calibration :%2X %2X\n", a, b);
312 
313 	} else if (le16_to_cpu(adap->dev->udev->descriptor.idVendor) == USB_VID_DIBCOM &&
314 		   le16_to_cpu(adap->dev->udev->descriptor.idProduct) == USB_PID_DIBCOM_MOD3001_WARM) {
315 		u8 desc;
316 		dibusb_read_eeprom_byte(adap->dev, 7, &desc);
317 		if (desc == 2) {
318 			a = 127;
319 			do {
320 				dibusb_read_eeprom_byte(adap->dev, a, &desc);
321 				a--;
322 			} while (a > 7 && (desc == 0xff || desc == 0x00));
323 			if (desc & 0x80)
324 				if1 -= (0xff - desc);
325 			else
326 				if1 += desc;
327 		}
328 	}
329 
330 	tun_i2c = dib3000mc_get_tuner_i2c_master(adap->fe_adap[0].fe, 1);
331 	if (dvb_attach(mt2060_attach, adap->fe_adap[0].fe, tun_i2c, &stk3000p_mt2060_config, if1) == NULL) {
332 		/* not found - use panasonic pll parameters */
333 		if (dvb_attach(dvb_pll_attach, adap->fe_adap[0].fe, 0x60, tun_i2c, DVB_PLL_ENV57H1XD5) == NULL)
334 			return -ENOMEM;
335 	} else {
336 		st->mt2060_present = 1;
337 		/* set the correct parameters for the dib3000p */
338 		dib3000mc_set_config(adap->fe_adap[0].fe, &stk3000p_dib3000p_config);
339 	}
340 	return 0;
341 }
342 EXPORT_SYMBOL(dibusb_dib3000mc_tuner_attach);
343 #endif
344 
345 /*
346  * common remote control stuff
347  */
348 struct rc_map_table rc_map_dibusb_table[] = {
349 	/* Key codes for the little Artec T1/Twinhan/HAMA/ remote. */
350 	{ 0x0016, KEY_POWER },
351 	{ 0x0010, KEY_MUTE },
352 	{ 0x0003, KEY_1 },
353 	{ 0x0001, KEY_2 },
354 	{ 0x0006, KEY_3 },
355 	{ 0x0009, KEY_4 },
356 	{ 0x001d, KEY_5 },
357 	{ 0x001f, KEY_6 },
358 	{ 0x000d, KEY_7 },
359 	{ 0x0019, KEY_8 },
360 	{ 0x001b, KEY_9 },
361 	{ 0x0015, KEY_0 },
362 	{ 0x0005, KEY_CHANNELUP },
363 	{ 0x0002, KEY_CHANNELDOWN },
364 	{ 0x001e, KEY_VOLUMEUP },
365 	{ 0x000a, KEY_VOLUMEDOWN },
366 	{ 0x0011, KEY_RECORD },
367 	{ 0x0017, KEY_FAVORITES }, /* Heart symbol - Channel list. */
368 	{ 0x0014, KEY_PLAY },
369 	{ 0x001a, KEY_STOP },
370 	{ 0x0040, KEY_REWIND },
371 	{ 0x0012, KEY_FASTFORWARD },
372 	{ 0x000e, KEY_PREVIOUS }, /* Recall - Previous channel. */
373 	{ 0x004c, KEY_PAUSE },
374 	{ 0x004d, KEY_SCREEN }, /* Full screen mode. */
375 	{ 0x0054, KEY_AUDIO }, /* MTS - Switch to secondary audio. */
376 	/* additional keys TwinHan VisionPlus, the Artec seemingly not have */
377 	{ 0x000c, KEY_CANCEL }, /* Cancel */
378 	{ 0x001c, KEY_EPG }, /* EPG */
379 	{ 0x0000, KEY_TAB }, /* Tab */
380 	{ 0x0048, KEY_INFO }, /* Preview */
381 	{ 0x0004, KEY_LIST }, /* RecordList */
382 	{ 0x000f, KEY_TEXT }, /* Teletext */
383 	/* Key codes for the KWorld/ADSTech/JetWay remote. */
384 	{ 0x8612, KEY_POWER },
385 	{ 0x860f, KEY_SELECT }, /* source */
386 	{ 0x860c, KEY_UNKNOWN }, /* scan */
387 	{ 0x860b, KEY_EPG },
388 	{ 0x8610, KEY_MUTE },
389 	{ 0x8601, KEY_1 },
390 	{ 0x8602, KEY_2 },
391 	{ 0x8603, KEY_3 },
392 	{ 0x8604, KEY_4 },
393 	{ 0x8605, KEY_5 },
394 	{ 0x8606, KEY_6 },
395 	{ 0x8607, KEY_7 },
396 	{ 0x8608, KEY_8 },
397 	{ 0x8609, KEY_9 },
398 	{ 0x860a, KEY_0 },
399 	{ 0x8618, KEY_ZOOM },
400 	{ 0x861c, KEY_UNKNOWN }, /* preview */
401 	{ 0x8613, KEY_UNKNOWN }, /* snap */
402 	{ 0x8600, KEY_UNDO },
403 	{ 0x861d, KEY_RECORD },
404 	{ 0x860d, KEY_STOP },
405 	{ 0x860e, KEY_PAUSE },
406 	{ 0x8616, KEY_PLAY },
407 	{ 0x8611, KEY_BACK },
408 	{ 0x8619, KEY_FORWARD },
409 	{ 0x8614, KEY_UNKNOWN }, /* pip */
410 	{ 0x8615, KEY_ESC },
411 	{ 0x861a, KEY_UP },
412 	{ 0x861e, KEY_DOWN },
413 	{ 0x861f, KEY_LEFT },
414 	{ 0x861b, KEY_RIGHT },
415 
416 	/* Key codes for the DiBcom MOD3000 remote. */
417 	{ 0x8000, KEY_MUTE },
418 	{ 0x8001, KEY_TEXT },
419 	{ 0x8002, KEY_HOME },
420 	{ 0x8003, KEY_POWER },
421 
422 	{ 0x8004, KEY_RED },
423 	{ 0x8005, KEY_GREEN },
424 	{ 0x8006, KEY_YELLOW },
425 	{ 0x8007, KEY_BLUE },
426 
427 	{ 0x8008, KEY_DVD },
428 	{ 0x8009, KEY_AUDIO },
429 	{ 0x800a, KEY_IMAGES },      /* Pictures */
430 	{ 0x800b, KEY_VIDEO },
431 
432 	{ 0x800c, KEY_BACK },
433 	{ 0x800d, KEY_UP },
434 	{ 0x800e, KEY_RADIO },
435 	{ 0x800f, KEY_EPG },
436 
437 	{ 0x8010, KEY_LEFT },
438 	{ 0x8011, KEY_OK },
439 	{ 0x8012, KEY_RIGHT },
440 	{ 0x8013, KEY_UNKNOWN },    /* SAP */
441 
442 	{ 0x8014, KEY_TV },
443 	{ 0x8015, KEY_DOWN },
444 	{ 0x8016, KEY_MENU },       /* DVD Menu */
445 	{ 0x8017, KEY_LAST },
446 
447 	{ 0x8018, KEY_RECORD },
448 	{ 0x8019, KEY_STOP },
449 	{ 0x801a, KEY_PAUSE },
450 	{ 0x801b, KEY_PLAY },
451 
452 	{ 0x801c, KEY_PREVIOUS },
453 	{ 0x801d, KEY_REWIND },
454 	{ 0x801e, KEY_FASTFORWARD },
455 	{ 0x801f, KEY_NEXT},
456 
457 	{ 0x8040, KEY_1 },
458 	{ 0x8041, KEY_2 },
459 	{ 0x8042, KEY_3 },
460 	{ 0x8043, KEY_CHANNELUP },
461 
462 	{ 0x8044, KEY_4 },
463 	{ 0x8045, KEY_5 },
464 	{ 0x8046, KEY_6 },
465 	{ 0x8047, KEY_CHANNELDOWN },
466 
467 	{ 0x8048, KEY_7 },
468 	{ 0x8049, KEY_8 },
469 	{ 0x804a, KEY_9 },
470 	{ 0x804b, KEY_VOLUMEUP },
471 
472 	{ 0x804c, KEY_CLEAR },
473 	{ 0x804d, KEY_0 },
474 	{ 0x804e, KEY_ENTER },
475 	{ 0x804f, KEY_VOLUMEDOWN },
476 };
477 EXPORT_SYMBOL(rc_map_dibusb_table);
478 
479 int dibusb_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
480 {
481 	u8 key[5],cmd = DIBUSB_REQ_POLL_REMOTE;
482 	dvb_usb_generic_rw(d,&cmd,1,key,5,0);
483 	dvb_usb_nec_rc_key_to_event(d,key,event,state);
484 	if (key[0] != 0)
485 		deb_info("key: %*ph\n", 5, key);
486 	return 0;
487 }
488 EXPORT_SYMBOL(dibusb_rc_query);
489