aboutsummaryrefslogtreecommitdiff
path: root/drivers/media/dvb/dvb-usb/ttusb2.c
blob: 0eb33378254b3bfbf7cb56ee7add099b1d02b75c (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
/* DVB USB compliant linux driver for Technotrend DVB USB boxes and clones
 * (e.g. Pinnacle 400e DVB-S USB2.0).
 *
 * The Pinnacle 400e uses the same protocol as the Technotrend USB1.1 boxes.
 *
 * TDA8263 + TDA10086
 *
 * I2C addresses:
 * 0x08 - LNBP21PD   - LNB power supply
 * 0x0e - TDA10086   - Demodulator
 * 0x50 - FX2 eeprom
 * 0x60 - TDA8263    - Tuner
 * 0x78 ???
 *
 * Copyright (c) 2002 Holger Waechtler <holger@convergence.de>
 * Copyright (c) 2003 Felix Domke <tmbinc@elitedvb.net>
 * Copyright (C) 2005-6 Patrick Boettcher <pb@linuxtv.org>
 *
 *	This program is free software; you can redistribute it and/or modify it
 *	under the terms of the GNU General Public License as published by the Free
 *	Software Foundation, version 2.
 *
 * see Documentation/dvb/README.dvb-usb for more information
 */
#define DVB_USB_LOG_PREFIX "ttusb2"
#include "dvb-usb.h"

#include "ttusb2.h"

#include "tda826x.h"
#include "tda10086.h"
#include "lnbp21.h"

/* debug */
static int dvb_usb_ttusb2_debug;
#define deb_info(args...)   dprintk(dvb_usb_ttusb2_debug,0x01,args)
module_param_named(debug,dvb_usb_ttusb2_debug, int, 0644);
MODULE_PARM_DESC(debug, "set debugging level (1=info (or-able))." DVB_USB_DEBUG_STATUS);

struct ttusb2_state {
	u8 id;
};

static int ttusb2_msg(struct dvb_usb_device *d, u8 cmd,
		u8 *wbuf, int wlen, u8 *rbuf, int rlen)
{
	struct ttusb2_state *st = d->priv;
	u8 s[wlen+4],r[64] = { 0 };
	int ret = 0;

	memset(s,0,wlen+4);

	s[0] = 0xaa;
	s[1] = ++st->id;
	s[2] = cmd;
	s[3] = wlen;
	memcpy(&s[4],wbuf,wlen);

	ret = dvb_usb_generic_rw(d, s, wlen+4, r, 64, 0);

	if (ret  != 0 ||
		r[0] != 0x55 ||
		r[1] != s[1] ||
		r[2] != cmd ||
		(rlen > 0 && r[3] != rlen)) {
		warn("there might have been an error during control message transfer. (rlen = %d, was %d)",rlen,r[3]);
		return -EIO;
	}

	if (rlen > 0)
		memcpy(rbuf, &r[4], rlen);

	return 0;
}

static int ttusb2_i2c_xfer(struct i2c_adapter *adap,struct i2c_msg msg[],int num)
{
	struct dvb_usb_device *d = i2c_get_adapdata(adap);
	static u8 obuf[60], ibuf[60];
	int i,read;

	if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
		return -EAGAIN;

	if (num > 2)
		warn("more than 2 i2c messages at a time is not handled yet. TODO.");

	for (i = 0; i < num; i++) {
		read = i+1 < num && (msg[i+1].flags & I2C_M_RD);

		obuf[0] = (msg[i].addr << 1) | read;
		obuf[1] = msg[i].len;

		/* read request */
		if (read)
			obuf[2] = msg[i+1].len;
		else
			obuf[2] = 0;

		memcpy(&obuf[3],msg[i].buf,msg[i].len);

		if (ttusb2_msg(d, CMD_I2C_XFER, obuf, msg[i].len+3, ibuf, obuf[2] + 3) < 0) {
			err("i2c transfer failed.");
			break;
		}

		if (read) {
			memcpy(msg[i+1].buf,&ibuf[3],msg[i+1].len);
			i++;
		}
	}

	mutex_unlock(&d->i2c_mutex);
	return i;
}

static u32 ttusb2_i2c_func(struct i2c_adapter *adapter)
{
	return I2C_FUNC_I2C;
}

static struct i2c_algorithm ttusb2_i2c_algo = {
	.master_xfer   = ttusb2_i2c_xfer,
	.functionality = ttusb2_i2c_func,
};

/* Callbacks for DVB USB */
static int ttusb2_identify_state (struct usb_device *udev, struct
		dvb_usb_device_properties *props, struct dvb_usb_device_description **desc,
		int *cold)
{
	*cold = udev->descriptor.iManufacturer == 0 && udev->descriptor.iProduct == 0;
	return 0;
}

static int ttusb2_power_ctrl(struct dvb_usb_device *d, int onoff)
{
	u8 b = onoff;
	ttusb2_msg(d, CMD_POWER, &b, 0, NULL, 0);
	return ttusb2_msg(d, CMD_POWER, &b, 1, NULL, 0);
}


static struct tda10086_config tda10086_config = {
	.demod_address = 0x0e,
	.invert = 0,
	.diseqc_tone = 1,
};

static int ttusb2_frontend_attach(struct dvb_usb_adapter *adap)
{
	if (usb_set_interface(adap->dev->udev,0,3) < 0)
		err("set interface to alts=3 failed");

	if ((adap->fe = dvb_attach(tda10086_attach, &tda10086_config, &adap->dev->i2c_adap)) == NULL) {
		deb_info("TDA10086 attach failed\n");
		return -ENODEV;
	}

	return 0;
}

static int ttusb2_tuner_attach(struct dvb_usb_adapter *adap)
{
	if (dvb_attach(tda826x_attach, adap->fe, 0x60, &adap->dev->i2c_adap, 0) == NULL) {
		deb_info("TDA8263 attach failed\n");
		return -ENODEV;
	}

	if (dvb_attach(lnbp21_attach, adap->fe, &adap->dev->i2c_adap, 0, 0) == NULL) {
		deb_info("LNBP21 attach failed\n");
		return -ENODEV;
	}
	return 0;
}

/* DVB USB Driver stuff */
static struct dvb_usb_device_properties ttusb2_properties;
static struct dvb_usb_device_properties ttusb2_properties_s2400;

static int ttusb2_probe(struct usb_interface *intf,
		const struct usb_device_id *id)
{
	if (dvb_usb_device_init(intf, &ttusb2_properties, THIS_MODULE, NULL) == 0 ||
		dvb_usb_device_init(intf, &ttusb2_properties_s2400, THIS_MODULE, NULL) == 0)
		return 0;
	return -ENODEV;
}

static struct usb_device_id ttusb2_table [] = {
	{ USB_DEVICE(USB_VID_PINNACLE, USB_PID_PCTV_400E) },
	{ USB_DEVICE(USB_VID_PINNACLE, USB_PID_PCTV_450E) },
	{ USB_DEVICE(USB_VID_TECHNOTREND,
		USB_PID_TECHNOTREND_CONNECT_S2400) },
	{}		/* Terminating entry */
};
MODULE_DEVICE_TABLE (usb, ttusb2_table);

static struct dvb_usb_device_properties ttusb2_properties = {
	.caps = DVB_USB_IS_AN_I2C_ADAPTER,

	.usb_ctrl = CYPRESS_FX2,
	.firmware = "dvb-usb-pctv-400e-01.fw",

	.size_of_priv = sizeof(struct ttusb2_state),

	.num_adapters = 1,
	.adapter = {
		{
			.streaming_ctrl   = NULL, // ttusb2_streaming_ctrl,

			.frontend_attach  = ttusb2_frontend_attach,
			.tuner_attach     = ttusb2_tuner_attach,

			/* parameter for the MPEG2-data transfer */
			.stream = {
				.type = USB_ISOC,
				.count = 5,
				.endpoint = 0x02,
				.u = {
					.isoc = {
						.framesperurb = 4,
						.framesize = 940,
						.interval = 1,
					}
				}
			}
		}
	},

	.power_ctrl       = ttusb2_power_ctrl,
	.identify_state   = ttusb2_identify_state,

	.i2c_algo         = &ttusb2_i2c_algo,

	.generic_bulk_ctrl_endpoint = 0x01,

	.num_device_descs = 2,
	.devices = {
		{   "Pinnacle 400e DVB-S USB2.0",
			{ &ttusb2_table[0], NULL },
			{ NULL },
		},
		{   "Pinnacle 450e DVB-S USB2.0",
			{ &ttusb2_table[1], NULL },
			{ NULL },
		},
	}
};

static struct dvb_usb_device_properties ttusb2_properties_s2400 = {
	.caps = DVB_USB_IS_AN_I2C_ADAPTER,

	.usb_ctrl = CYPRESS_FX2,
	.firmware = "dvb-usb-tt-s2400-01.fw",

	.size_of_priv = sizeof(struct ttusb2_state),

	.num_adapters = 1,
	.adapter = {
		{
			.streaming_ctrl   = NULL,

			.frontend_attach  = ttusb2_frontend_attach,
			.tuner_attach     = ttusb2_tuner_attach,

			/* parameter for the MPEG2-data transfer */
			.stream = {
				.type = USB_ISOC,
				.count = 5,
				.endpoint = 0x02,
				.u = {
					.isoc = {
						.framesperurb = 4,
						.framesize = 940,
						.interval = 1,
					}
				}
			}
		}
	},

	.power_ctrl       = ttusb2_power_ctrl,
	.identify_state   = ttusb2_identify_state,

	.i2c_algo         = &ttusb2_i2c_algo,

	.generic_bulk_ctrl_endpoint = 0x01,

	.num_device_descs = 1,
	.devices = {
		{   "Technotrend TT-connect S-2400",
			{ &ttusb2_table[2], NULL },
			{ NULL },
		},
	}
};

static struct usb_driver ttusb2_driver = {
	.name		= "dvb_usb_ttusb2",
	.probe		= ttusb2_probe,
	.disconnect = dvb_usb_device_exit,
	.id_table	= ttusb2_table,
};

/* module stuff */
static int __init ttusb2_module_init(void)
{
	int result;
	if ((result = usb_register(&ttusb2_driver))) {
		err("usb_register failed. Error number %d",result);
		return result;
	}

	return 0;
}

static void __exit ttusb2_module_exit(void)
{
	/* deregister this driver from the USB subsystem */
	usb_deregister(&ttusb2_driver);
}

module_init (ttusb2_module_init);
module_exit (ttusb2_module_exit);

MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@desy.de>");
MODULE_DESCRIPTION("Driver for Pinnacle PCTV 400e DVB-S USB2.0");
MODULE_VERSION("1.0");
MODULE_LICENSE("GPL");