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/drivers/media/dvb/dvb-usb/ttusb2.c

https://bitbucket.org/wisechild/galaxy-nexus
C | 453 lines | 336 code | 81 blank | 36 comment | 40 complexity | 5f4317a309c17bfbcc4bbb3611f4dce5 MD5 | raw file
Possible License(s): GPL-2.0, LGPL-2.0, AGPL-1.0
  1/* DVB USB compliant linux driver for Technotrend DVB USB boxes and clones
  2 * (e.g. Pinnacle 400e DVB-S USB2.0).
  3 *
  4 * The Pinnacle 400e uses the same protocol as the Technotrend USB1.1 boxes.
  5 *
  6 * TDA8263 + TDA10086
  7 *
  8 * I2C addresses:
  9 * 0x08 - LNBP21PD   - LNB power supply
 10 * 0x0e - TDA10086   - Demodulator
 11 * 0x50 - FX2 eeprom
 12 * 0x60 - TDA8263    - Tuner
 13 * 0x78 ???
 14 *
 15 * Copyright (c) 2002 Holger Waechtler <holger@convergence.de>
 16 * Copyright (c) 2003 Felix Domke <tmbinc@elitedvb.net>
 17 * Copyright (C) 2005-6 Patrick Boettcher <pb@linuxtv.org>
 18 *
 19 *	This program is free software; you can redistribute it and/or modify it
 20 *	under the terms of the GNU General Public License as published by the Free
 21 *	Software Foundation, version 2.
 22 *
 23 * see Documentation/dvb/README.dvb-usb for more information
 24 */
 25#define DVB_USB_LOG_PREFIX "ttusb2"
 26#include "dvb-usb.h"
 27
 28#include "ttusb2.h"
 29
 30#include "tda826x.h"
 31#include "tda10086.h"
 32#include "tda1002x.h"
 33#include "tda827x.h"
 34#include "lnbp21.h"
 35
 36/* debug */
 37static int dvb_usb_ttusb2_debug;
 38#define deb_info(args...)   dprintk(dvb_usb_ttusb2_debug,0x01,args)
 39module_param_named(debug,dvb_usb_ttusb2_debug, int, 0644);
 40MODULE_PARM_DESC(debug, "set debugging level (1=info (or-able))." DVB_USB_DEBUG_STATUS);
 41
 42DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
 43
 44struct ttusb2_state {
 45	u8 id;
 46	u16 last_rc_key;
 47};
 48
 49static int ttusb2_msg(struct dvb_usb_device *d, u8 cmd,
 50		u8 *wbuf, int wlen, u8 *rbuf, int rlen)
 51{
 52	struct ttusb2_state *st = d->priv;
 53	u8 s[wlen+4],r[64] = { 0 };
 54	int ret = 0;
 55
 56	memset(s,0,wlen+4);
 57
 58	s[0] = 0xaa;
 59	s[1] = ++st->id;
 60	s[2] = cmd;
 61	s[3] = wlen;
 62	memcpy(&s[4],wbuf,wlen);
 63
 64	ret = dvb_usb_generic_rw(d, s, wlen+4, r, 64, 0);
 65
 66	if (ret  != 0 ||
 67		r[0] != 0x55 ||
 68		r[1] != s[1] ||
 69		r[2] != cmd ||
 70		(rlen > 0 && r[3] != rlen)) {
 71		warn("there might have been an error during control message transfer. (rlen = %d, was %d)",rlen,r[3]);
 72		return -EIO;
 73	}
 74
 75	if (rlen > 0)
 76		memcpy(rbuf, &r[4], rlen);
 77
 78	return 0;
 79}
 80
 81static int ttusb2_i2c_xfer(struct i2c_adapter *adap,struct i2c_msg msg[],int num)
 82{
 83	struct dvb_usb_device *d = i2c_get_adapdata(adap);
 84	static u8 obuf[60], ibuf[60];
 85	int i,read;
 86
 87	if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
 88		return -EAGAIN;
 89
 90	if (num > 2)
 91		warn("more than 2 i2c messages at a time is not handled yet. TODO.");
 92
 93	for (i = 0; i < num; i++) {
 94		read = i+1 < num && (msg[i+1].flags & I2C_M_RD);
 95
 96		obuf[0] = (msg[i].addr << 1) | read;
 97		obuf[1] = msg[i].len;
 98
 99		/* read request */
100		if (read)
101			obuf[2] = msg[i+1].len;
102		else
103			obuf[2] = 0;
104
105		memcpy(&obuf[3],msg[i].buf,msg[i].len);
106
107		if (ttusb2_msg(d, CMD_I2C_XFER, obuf, msg[i].len+3, ibuf, obuf[2] + 3) < 0) {
108			err("i2c transfer failed.");
109			break;
110		}
111
112		if (read) {
113			memcpy(msg[i+1].buf,&ibuf[3],msg[i+1].len);
114			i++;
115		}
116	}
117
118	mutex_unlock(&d->i2c_mutex);
119	return i;
120}
121
122static u32 ttusb2_i2c_func(struct i2c_adapter *adapter)
123{
124	return I2C_FUNC_I2C;
125}
126
127static struct i2c_algorithm ttusb2_i2c_algo = {
128	.master_xfer   = ttusb2_i2c_xfer,
129	.functionality = ttusb2_i2c_func,
130};
131
132/* command to poll IR receiver (copied from pctv452e.c) */
133#define CMD_GET_IR_CODE     0x1b
134
135/* IR */
136static int tt3650_rc_query(struct dvb_usb_device *d)
137{
138	int ret;
139	u8 rx[9]; /* A CMD_GET_IR_CODE reply is 9 bytes long */
140	struct ttusb2_state *st = d->priv;
141	ret = ttusb2_msg(d, CMD_GET_IR_CODE, NULL, 0, rx, sizeof(rx));
142	if (ret != 0)
143		return ret;
144
145	if (rx[8] & 0x01) {
146		/* got a "press" event */
147		st->last_rc_key = (rx[3] << 8) | rx[2];
148		deb_info("%s: cmd=0x%02x sys=0x%02x\n", __func__, rx[2], rx[3]);
149		rc_keydown(d->rc_dev, st->last_rc_key, 0);
150	} else if (st->last_rc_key) {
151		rc_keyup(d->rc_dev);
152		st->last_rc_key = 0;
153	}
154
155	return 0;
156}
157
158
159/* Callbacks for DVB USB */
160static int ttusb2_identify_state (struct usb_device *udev, struct
161		dvb_usb_device_properties *props, struct dvb_usb_device_description **desc,
162		int *cold)
163{
164	*cold = udev->descriptor.iManufacturer == 0 && udev->descriptor.iProduct == 0;
165	return 0;
166}
167
168static int ttusb2_power_ctrl(struct dvb_usb_device *d, int onoff)
169{
170	u8 b = onoff;
171	ttusb2_msg(d, CMD_POWER, &b, 0, NULL, 0);
172	return ttusb2_msg(d, CMD_POWER, &b, 1, NULL, 0);
173}
174
175
176static struct tda10086_config tda10086_config = {
177	.demod_address = 0x0e,
178	.invert = 0,
179	.diseqc_tone = 1,
180	.xtal_freq = TDA10086_XTAL_16M,
181};
182
183static struct tda10023_config tda10023_config = {
184	.demod_address = 0x0c,
185	.invert = 0,
186	.xtal = 16000000,
187	.pll_m = 11,
188	.pll_p = 3,
189	.pll_n = 1,
190	.deltaf = 0xa511,
191};
192
193static int ttusb2_frontend_tda10086_attach(struct dvb_usb_adapter *adap)
194{
195	if (usb_set_interface(adap->dev->udev,0,3) < 0)
196		err("set interface to alts=3 failed");
197
198	if ((adap->fe = dvb_attach(tda10086_attach, &tda10086_config, &adap->dev->i2c_adap)) == NULL) {
199		deb_info("TDA10086 attach failed\n");
200		return -ENODEV;
201	}
202
203	return 0;
204}
205
206static int ttusb2_frontend_tda10023_attach(struct dvb_usb_adapter *adap)
207{
208	if (usb_set_interface(adap->dev->udev, 0, 3) < 0)
209		err("set interface to alts=3 failed");
210	if ((adap->fe = dvb_attach(tda10023_attach, &tda10023_config, &adap->dev->i2c_adap, 0x48)) == NULL) {
211		deb_info("TDA10023 attach failed\n");
212		return -ENODEV;
213	}
214	return 0;
215}
216
217static int ttusb2_tuner_tda827x_attach(struct dvb_usb_adapter *adap)
218{
219	if (dvb_attach(tda827x_attach, adap->fe, 0x61, &adap->dev->i2c_adap, NULL) == NULL) {
220		printk(KERN_ERR "%s: No tda827x found!\n", __func__);
221		return -ENODEV;
222	}
223	return 0;
224}
225
226static int ttusb2_tuner_tda826x_attach(struct dvb_usb_adapter *adap)
227{
228	if (dvb_attach(tda826x_attach, adap->fe, 0x60, &adap->dev->i2c_adap, 0) == NULL) {
229		deb_info("TDA8263 attach failed\n");
230		return -ENODEV;
231	}
232
233	if (dvb_attach(lnbp21_attach, adap->fe, &adap->dev->i2c_adap, 0, 0) == NULL) {
234		deb_info("LNBP21 attach failed\n");
235		return -ENODEV;
236	}
237	return 0;
238}
239
240/* DVB USB Driver stuff */
241static struct dvb_usb_device_properties ttusb2_properties;
242static struct dvb_usb_device_properties ttusb2_properties_s2400;
243static struct dvb_usb_device_properties ttusb2_properties_ct3650;
244
245static int ttusb2_probe(struct usb_interface *intf,
246		const struct usb_device_id *id)
247{
248	if (0 == dvb_usb_device_init(intf, &ttusb2_properties,
249				     THIS_MODULE, NULL, adapter_nr) ||
250	    0 == dvb_usb_device_init(intf, &ttusb2_properties_s2400,
251				     THIS_MODULE, NULL, adapter_nr) ||
252	    0 == dvb_usb_device_init(intf, &ttusb2_properties_ct3650,
253				     THIS_MODULE, NULL, adapter_nr))
254		return 0;
255	return -ENODEV;
256}
257
258static struct usb_device_id ttusb2_table [] = {
259	{ USB_DEVICE(USB_VID_PINNACLE, USB_PID_PCTV_400E) },
260	{ USB_DEVICE(USB_VID_PINNACLE, USB_PID_PCTV_450E) },
261	{ USB_DEVICE(USB_VID_TECHNOTREND,
262		USB_PID_TECHNOTREND_CONNECT_S2400) },
263	{ USB_DEVICE(USB_VID_TECHNOTREND,
264		USB_PID_TECHNOTREND_CONNECT_CT3650) },
265	{}		/* Terminating entry */
266};
267MODULE_DEVICE_TABLE (usb, ttusb2_table);
268
269static struct dvb_usb_device_properties ttusb2_properties = {
270	.caps = DVB_USB_IS_AN_I2C_ADAPTER,
271
272	.usb_ctrl = CYPRESS_FX2,
273	.firmware = "dvb-usb-pctv-400e-01.fw",
274
275	.size_of_priv = sizeof(struct ttusb2_state),
276
277	.num_adapters = 1,
278	.adapter = {
279		{
280			.streaming_ctrl   = NULL, // ttusb2_streaming_ctrl,
281
282			.frontend_attach  = ttusb2_frontend_tda10086_attach,
283			.tuner_attach     = ttusb2_tuner_tda826x_attach,
284
285			/* parameter for the MPEG2-data transfer */
286			.stream = {
287				.type = USB_ISOC,
288				.count = 5,
289				.endpoint = 0x02,
290				.u = {
291					.isoc = {
292						.framesperurb = 4,
293						.framesize = 940,
294						.interval = 1,
295					}
296				}
297			}
298		}
299	},
300
301	.power_ctrl       = ttusb2_power_ctrl,
302	.identify_state   = ttusb2_identify_state,
303
304	.i2c_algo         = &ttusb2_i2c_algo,
305
306	.generic_bulk_ctrl_endpoint = 0x01,
307
308	.num_device_descs = 2,
309	.devices = {
310		{   "Pinnacle 400e DVB-S USB2.0",
311			{ &ttusb2_table[0], NULL },
312			{ NULL },
313		},
314		{   "Pinnacle 450e DVB-S USB2.0",
315			{ &ttusb2_table[1], NULL },
316			{ NULL },
317		},
318	}
319};
320
321static struct dvb_usb_device_properties ttusb2_properties_s2400 = {
322	.caps = DVB_USB_IS_AN_I2C_ADAPTER,
323
324	.usb_ctrl = CYPRESS_FX2,
325	.firmware = "dvb-usb-tt-s2400-01.fw",
326
327	.size_of_priv = sizeof(struct ttusb2_state),
328
329	.num_adapters = 1,
330	.adapter = {
331		{
332			.streaming_ctrl   = NULL,
333
334			.frontend_attach  = ttusb2_frontend_tda10086_attach,
335			.tuner_attach     = ttusb2_tuner_tda826x_attach,
336
337			/* parameter for the MPEG2-data transfer */
338			.stream = {
339				.type = USB_ISOC,
340				.count = 5,
341				.endpoint = 0x02,
342				.u = {
343					.isoc = {
344						.framesperurb = 4,
345						.framesize = 940,
346						.interval = 1,
347					}
348				}
349			}
350		}
351	},
352
353	.power_ctrl       = ttusb2_power_ctrl,
354	.identify_state   = ttusb2_identify_state,
355
356	.i2c_algo         = &ttusb2_i2c_algo,
357
358	.generic_bulk_ctrl_endpoint = 0x01,
359
360	.num_device_descs = 1,
361	.devices = {
362		{   "Technotrend TT-connect S-2400",
363			{ &ttusb2_table[2], NULL },
364			{ NULL },
365		},
366	}
367};
368
369static struct dvb_usb_device_properties ttusb2_properties_ct3650 = {
370	.caps = DVB_USB_IS_AN_I2C_ADAPTER,
371
372	.usb_ctrl = CYPRESS_FX2,
373
374	.size_of_priv = sizeof(struct ttusb2_state),
375
376	.rc.core = {
377		.rc_interval      = 150, /* Less than IR_KEYPRESS_TIMEOUT */
378		.rc_codes         = RC_MAP_TT_1500,
379		.rc_query         = tt3650_rc_query,
380		.allowed_protos   = RC_TYPE_UNKNOWN,
381	},
382
383	.num_adapters = 1,
384	.adapter = {
385		{
386			.streaming_ctrl   = NULL,
387
388			.frontend_attach  = ttusb2_frontend_tda10023_attach,
389			.tuner_attach = ttusb2_tuner_tda827x_attach,
390
391			/* parameter for the MPEG2-data transfer */
392			.stream = {
393				.type = USB_ISOC,
394				.count = 5,
395				.endpoint = 0x02,
396				.u = {
397					.isoc = {
398						.framesperurb = 4,
399						.framesize = 940,
400						.interval = 1,
401					}
402				}
403			}
404		},
405	},
406
407	.power_ctrl       = ttusb2_power_ctrl,
408	.identify_state   = ttusb2_identify_state,
409
410	.i2c_algo         = &ttusb2_i2c_algo,
411
412	.generic_bulk_ctrl_endpoint = 0x01,
413
414	.num_device_descs = 1,
415	.devices = {
416		{   "Technotrend TT-connect CT-3650",
417			.warm_ids = { &ttusb2_table[3], NULL },
418		},
419	}
420};
421
422static struct usb_driver ttusb2_driver = {
423	.name		= "dvb_usb_ttusb2",
424	.probe		= ttusb2_probe,
425	.disconnect = dvb_usb_device_exit,
426	.id_table	= ttusb2_table,
427};
428
429/* module stuff */
430static int __init ttusb2_module_init(void)
431{
432	int result;
433	if ((result = usb_register(&ttusb2_driver))) {
434		err("usb_register failed. Error number %d",result);
435		return result;
436	}
437
438	return 0;
439}
440
441static void __exit ttusb2_module_exit(void)
442{
443	/* deregister this driver from the USB subsystem */
444	usb_deregister(&ttusb2_driver);
445}
446
447module_init (ttusb2_module_init);
448module_exit (ttusb2_module_exit);
449
450MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@desy.de>");
451MODULE_DESCRIPTION("Driver for Pinnacle PCTV 400e DVB-S USB2.0");
452MODULE_VERSION("1.0");
453MODULE_LICENSE("GPL");