aboutsummaryrefslogtreecommitdiff
path: root/drivers/media/usb/dvb-usb/cinergyT2-core.c
blob: 0a98548ecd172448bed6c60b0cf9a5ee182c6ca8 (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
/*
 * TerraTec Cinergy T2/qanu USB2 DVB-T adapter.
 *
 * Copyright (C) 2007 Tomi Orava (tomimo@ncircle.nullnet.fi)
 *
 * Based on the dvb-usb-framework code and the
 * original Terratec Cinergy T2 driver by:
 *
 * Copyright (C) 2004 Daniel Mack <daniel@qanu.de> and
 *		    Holger Waechtler <holger@qanu.de>
 *
 *  Protocol Spec published on http://qanu.de/specs/terratec_cinergyT2.pdf
 *
 * 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; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 */

#include "cinergyT2.h"


/* debug */
int dvb_usb_cinergyt2_debug;

module_param_named(debug, dvb_usb_cinergyt2_debug, int, 0644);
MODULE_PARM_DESC(debug, "set debugging level (1=info, xfer=2, rc=4 "
		"(or-able)).");

DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);

struct cinergyt2_state {
	u8 rc_counter;
};

/* We are missing a release hook with usb_device data */
static struct dvb_usb_device *cinergyt2_usb_device;

static struct dvb_usb_device_properties cinergyt2_properties;

static int cinergyt2_streaming_ctrl(struct dvb_usb_adapter *adap, int enable)
{
	char buf[] = { CINERGYT2_EP1_CONTROL_STREAM_TRANSFER, enable ? 1 : 0 };
	char result[64];
	return dvb_usb_generic_rw(adap->dev, buf, sizeof(buf), result,
				sizeof(result), 0);
}

static int cinergyt2_power_ctrl(struct dvb_usb_device *d, int enable)
{
	char buf[] = { CINERGYT2_EP1_SLEEP_MODE, enable ? 0 : 1 };
	char state[3];
	return dvb_usb_generic_rw(d, buf, sizeof(buf), state, sizeof(state), 0);
}

static int cinergyt2_frontend_attach(struct dvb_usb_adapter *adap)
{
	char query[] = { CINERGYT2_EP1_GET_FIRMWARE_VERSION };
	char state[3];
	int ret;

	adap->fe_adap[0].fe = cinergyt2_fe_attach(adap->dev);

	ret = dvb_usb_generic_rw(adap->dev, query, sizeof(query), state,
				sizeof(state), 0);
	if (ret < 0) {
		deb_rc("cinergyt2_power_ctrl() Failed to retrieve sleep "
			"state info\n");
	}

	/* Copy this pointer as we are gonna need it in the release phase */
	cinergyt2_usb_device = adap->dev;

	return 0;
}

static struct rc_map_table rc_map_cinergyt2_table[] = {
	{ 0x0401, KEY_POWER },
	{ 0x0402, KEY_1 },
	{ 0x0403, KEY_2 },
	{ 0x0404, KEY_3 },
	{ 0x0405, KEY_4 },
	{ 0x0406, KEY_5 },
	{ 0x0407, KEY_6 },
	{ 0x0408, KEY_7 },
	{ 0x0409, KEY_8 },
	{ 0x040a, KEY_9 },
	{ 0x040c, KEY_0 },
	{ 0x040b, KEY_VIDEO },
	{ 0x040d, KEY_REFRESH },
	{ 0x040e, KEY_SELECT },
	{ 0x040f, KEY_EPG },
	{ 0x0410, KEY_UP },
	{ 0x0414, KEY_DOWN },
	{ 0x0411, KEY_LEFT },
	{ 0x0413, KEY_RIGHT },
	{ 0x0412, KEY_OK },
	{ 0x0415, KEY_TEXT },
	{ 0x0416, KEY_INFO },
	{ 0x0417, KEY_RED },
	{ 0x0418, KEY_GREEN },
	{ 0x0419, KEY_YELLOW },
	{ 0x041a, KEY_BLUE },
	{ 0x041c, KEY_VOLUMEUP },
	{ 0x041e, KEY_VOLUMEDOWN },
	{ 0x041d, KEY_MUTE },
	{ 0x041b, KEY_CHANNELUP },
	{ 0x041f, KEY_CHANNELDOWN },
	{ 0x0440, KEY_PAUSE },
	{ 0x044c, KEY_PLAY },
	{ 0x0458, KEY_RECORD },
	{ 0x0454, KEY_PREVIOUS },
	{ 0x0448, KEY_STOP },
	{ 0x045c, KEY_NEXT }
};

/* Number of keypresses to ignore before detect repeating */
#define RC_REPEAT_DELAY 3

static int repeatable_keys[] = {
	KEY_UP,
	KEY_DOWN,
	KEY_LEFT,
	KEY_RIGHT,
	KEY_VOLUMEUP,
	KEY_VOLUMEDOWN,
	KEY_CHANNELUP,
	KEY_CHANNELDOWN
};

static int cinergyt2_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
{
	struct cinergyt2_state *st = d->priv;
	u8 key[5] = {0, 0, 0, 0, 0}, cmd = CINERGYT2_EP1_GET_RC_EVENTS;
	int i;

	*state = REMOTE_NO_KEY_PRESSED;

	dvb_usb_generic_rw(d, &cmd, 1, key, sizeof(key), 0);
	if (key[4] == 0xff) {
		/* key repeat */
		st->rc_counter++;
		if (st->rc_counter > RC_REPEAT_DELAY) {
			for (i = 0; i < ARRAY_SIZE(repeatable_keys); i++) {
				if (d->last_event == repeatable_keys[i]) {
					*state = REMOTE_KEY_REPEAT;
					*event = d->last_event;
					deb_rc("repeat key, event %x\n",
						   *event);
					return 0;
				}
			}
			deb_rc("repeated key (non repeatable)\n");
		}
		return 0;
	}

	/* hack to pass checksum on the custom field */
	key[2] = ~key[1];
	dvb_usb_nec_rc_key_to_event(d, key, event, state);
	if (key[0] != 0) {
		if (*event != d->last_event)
			st->rc_counter = 0;

		deb_rc("key: %x %x %x %x %x\n",
		       key[0], key[1], key[2], key[3], key[4]);
	}
	return 0;
}

static int cinergyt2_usb_probe(struct usb_interface *intf,
				const struct usb_device_id *id)
{
	return dvb_usb_device_init(intf, &cinergyt2_properties,
					THIS_MODULE, NULL, adapter_nr);
}


static struct usb_device_id cinergyt2_usb_table[] = {
	{ USB_DEVICE(USB_VID_TERRATEC, 0x0038) },
	{ 0 }
};

MODULE_DEVICE_TABLE(usb, cinergyt2_usb_table);

static struct dvb_usb_device_properties cinergyt2_properties = {
	.size_of_priv = sizeof(struct cinergyt2_state),
	.num_adapters = 1,
	.adapter = {
		{
		.num_frontends = 1,
		.fe = {{
			.streaming_ctrl   = cinergyt2_streaming_ctrl,
			.frontend_attach  = cinergyt2_frontend_attach,

			/* parameter for the MPEG2-data transfer */
			.stream = {
				.type = USB_BULK,
				.count = 5,
				.endpoint = 0x02,
				.u = {
					.bulk = {
						.buffersize = 512,
					}
				}
			},
		}},
		}
	},

	.power_ctrl       = cinergyt2_power_ctrl,

	.rc.legacy = {
		.rc_interval      = 50,
		.rc_map_table     = rc_map_cinergyt2_table,
		.rc_map_size      = ARRAY_SIZE(rc_map_cinergyt2_table),
		.rc_query         = cinergyt2_rc_query,
	},

	.generic_bulk_ctrl_endpoint = 1,

	.num_device_descs = 1,
	.devices = {
		{ .name = "TerraTec/qanu USB2.0 Highspeed DVB-T Receiver",
		  .cold_ids = {NULL},
		  .warm_ids = { &cinergyt2_usb_table[0], NULL },
		},
		{ NULL },
	}
};


static struct usb_driver cinergyt2_driver = {
	.name		= "cinergyT2",
	.probe		= cinergyt2_usb_probe,
	.disconnect	= dvb_usb_device_exit,
	.id_table	= cinergyt2_usb_table
};

module_usb_driver(cinergyt2_driver);

MODULE_DESCRIPTION("Terratec Cinergy T2 DVB-T driver");
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Tomi Orava");