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
18static int debug;
19module_param(debug, int, 0644);
20MODULE_PARM_DESC(debug, "set debugging level (1=info (|-able))." DVB_USB_DEBUG_STATUS);
21MODULE_LICENSE("GPL");
22
23#define deb_info(args...) dprintk(debug,0x01,args)
24
25/* common stuff used by the different dibusb modules */
26int 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}
38EXPORT_SYMBOL(dibusb_streaming_ctrl);
39
40int 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}
50EXPORT_SYMBOL(dibusb_pid_filter);
51
52int 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}
62EXPORT_SYMBOL(dibusb_pid_filter_ctrl);
63
64int 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}
75EXPORT_SYMBOL(dibusb_power_ctrl);
76
77int 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}
96EXPORT_SYMBOL(dibusb2_0_streaming_ctrl);
97
98int 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}
106EXPORT_SYMBOL(dibusb2_0_power_ctrl);
107
108static 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 */
137static 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
169static u32 dibusb_i2c_func(struct i2c_adapter *adapter)
170{
171	return I2C_FUNC_I2C;
172}
173
174struct i2c_algorithm dibusb_i2c_algo = {
175	.master_xfer   = dibusb_i2c_xfer,
176	.functionality = dibusb_i2c_func,
177};
178EXPORT_SYMBOL(dibusb_i2c_algo);
179
180int 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}
185EXPORT_SYMBOL(dibusb_read_eeprom_byte);
186
187/* 3000MC/P stuff */
188// Config Adjacent channels  Perf -cal22
189static 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
211static 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
223static 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
247static 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
259int 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}
286EXPORT_SYMBOL(dibusb_dib3000mc_frontend_attach);
287
288static struct mt2060_config stk3000p_mt2060_config = {
289	0x60
290};
291
292int 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}
342EXPORT_SYMBOL(dibusb_dib3000mc_tuner_attach);
343#endif
344
345/*
346 * common remote control stuff
347 */
348struct 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};
477EXPORT_SYMBOL(rc_map_dibusb_table);
478
479int 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}
488EXPORT_SYMBOL(dibusb_rc_query);
489