Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris...
[linux-2.6] / drivers / media / dvb / dvb-usb / ttusb2.c
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 "lnbp21.h"
33
34 /* debug */
35 static int dvb_usb_ttusb2_debug;
36 #define deb_info(args...)   dprintk(dvb_usb_ttusb2_debug,0x01,args)
37 module_param_named(debug,dvb_usb_ttusb2_debug, int, 0644);
38 MODULE_PARM_DESC(debug, "set debugging level (1=info (or-able))." DVB_USB_DEBUG_STATUS);
39
40 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
41
42 struct ttusb2_state {
43         u8 id;
44 };
45
46 static int ttusb2_msg(struct dvb_usb_device *d, u8 cmd,
47                 u8 *wbuf, int wlen, u8 *rbuf, int rlen)
48 {
49         struct ttusb2_state *st = d->priv;
50         u8 s[wlen+4],r[64] = { 0 };
51         int ret = 0;
52
53         memset(s,0,wlen+4);
54
55         s[0] = 0xaa;
56         s[1] = ++st->id;
57         s[2] = cmd;
58         s[3] = wlen;
59         memcpy(&s[4],wbuf,wlen);
60
61         ret = dvb_usb_generic_rw(d, s, wlen+4, r, 64, 0);
62
63         if (ret  != 0 ||
64                 r[0] != 0x55 ||
65                 r[1] != s[1] ||
66                 r[2] != cmd ||
67                 (rlen > 0 && r[3] != rlen)) {
68                 warn("there might have been an error during control message transfer. (rlen = %d, was %d)",rlen,r[3]);
69                 return -EIO;
70         }
71
72         if (rlen > 0)
73                 memcpy(rbuf, &r[4], rlen);
74
75         return 0;
76 }
77
78 static int ttusb2_i2c_xfer(struct i2c_adapter *adap,struct i2c_msg msg[],int num)
79 {
80         struct dvb_usb_device *d = i2c_get_adapdata(adap);
81         static u8 obuf[60], ibuf[60];
82         int i,read;
83
84         if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
85                 return -EAGAIN;
86
87         if (num > 2)
88                 warn("more than 2 i2c messages at a time is not handled yet. TODO.");
89
90         for (i = 0; i < num; i++) {
91                 read = i+1 < num && (msg[i+1].flags & I2C_M_RD);
92
93                 obuf[0] = (msg[i].addr << 1) | read;
94                 obuf[1] = msg[i].len;
95
96                 /* read request */
97                 if (read)
98                         obuf[2] = msg[i+1].len;
99                 else
100                         obuf[2] = 0;
101
102                 memcpy(&obuf[3],msg[i].buf,msg[i].len);
103
104                 if (ttusb2_msg(d, CMD_I2C_XFER, obuf, msg[i].len+3, ibuf, obuf[2] + 3) < 0) {
105                         err("i2c transfer failed.");
106                         break;
107                 }
108
109                 if (read) {
110                         memcpy(msg[i+1].buf,&ibuf[3],msg[i+1].len);
111                         i++;
112                 }
113         }
114
115         mutex_unlock(&d->i2c_mutex);
116         return i;
117 }
118
119 static u32 ttusb2_i2c_func(struct i2c_adapter *adapter)
120 {
121         return I2C_FUNC_I2C;
122 }
123
124 static struct i2c_algorithm ttusb2_i2c_algo = {
125         .master_xfer   = ttusb2_i2c_xfer,
126         .functionality = ttusb2_i2c_func,
127 };
128
129 /* Callbacks for DVB USB */
130 static int ttusb2_identify_state (struct usb_device *udev, struct
131                 dvb_usb_device_properties *props, struct dvb_usb_device_description **desc,
132                 int *cold)
133 {
134         *cold = udev->descriptor.iManufacturer == 0 && udev->descriptor.iProduct == 0;
135         return 0;
136 }
137
138 static int ttusb2_power_ctrl(struct dvb_usb_device *d, int onoff)
139 {
140         u8 b = onoff;
141         ttusb2_msg(d, CMD_POWER, &b, 0, NULL, 0);
142         return ttusb2_msg(d, CMD_POWER, &b, 1, NULL, 0);
143 }
144
145
146 static struct tda10086_config tda10086_config = {
147         .demod_address = 0x0e,
148         .invert = 0,
149         .diseqc_tone = 1,
150         .xtal_freq = TDA10086_XTAL_16M,
151 };
152
153 static int ttusb2_frontend_attach(struct dvb_usb_adapter *adap)
154 {
155         if (usb_set_interface(adap->dev->udev,0,3) < 0)
156                 err("set interface to alts=3 failed");
157
158         if ((adap->fe = dvb_attach(tda10086_attach, &tda10086_config, &adap->dev->i2c_adap)) == NULL) {
159                 deb_info("TDA10086 attach failed\n");
160                 return -ENODEV;
161         }
162
163         return 0;
164 }
165
166 static int ttusb2_tuner_attach(struct dvb_usb_adapter *adap)
167 {
168         if (dvb_attach(tda826x_attach, adap->fe, 0x60, &adap->dev->i2c_adap, 0) == NULL) {
169                 deb_info("TDA8263 attach failed\n");
170                 return -ENODEV;
171         }
172
173         if (dvb_attach(lnbp21_attach, adap->fe, &adap->dev->i2c_adap, 0, 0) == NULL) {
174                 deb_info("LNBP21 attach failed\n");
175                 return -ENODEV;
176         }
177         return 0;
178 }
179
180 /* DVB USB Driver stuff */
181 static struct dvb_usb_device_properties ttusb2_properties;
182 static struct dvb_usb_device_properties ttusb2_properties_s2400;
183
184 static int ttusb2_probe(struct usb_interface *intf,
185                 const struct usb_device_id *id)
186 {
187         if (0 == dvb_usb_device_init(intf, &ttusb2_properties,
188                                      THIS_MODULE, NULL, adapter_nr) ||
189             0 == dvb_usb_device_init(intf, &ttusb2_properties_s2400,
190                                      THIS_MODULE, NULL, adapter_nr))
191                 return 0;
192         return -ENODEV;
193 }
194
195 static struct usb_device_id ttusb2_table [] = {
196         { USB_DEVICE(USB_VID_PINNACLE, USB_PID_PCTV_400E) },
197         { USB_DEVICE(USB_VID_PINNACLE, USB_PID_PCTV_450E) },
198         { USB_DEVICE(USB_VID_TECHNOTREND,
199                 USB_PID_TECHNOTREND_CONNECT_S2400) },
200         {}              /* Terminating entry */
201 };
202 MODULE_DEVICE_TABLE (usb, ttusb2_table);
203
204 static struct dvb_usb_device_properties ttusb2_properties = {
205         .caps = DVB_USB_IS_AN_I2C_ADAPTER,
206
207         .usb_ctrl = CYPRESS_FX2,
208         .firmware = "dvb-usb-pctv-400e-01.fw",
209
210         .size_of_priv = sizeof(struct ttusb2_state),
211
212         .num_adapters = 1,
213         .adapter = {
214                 {
215                         .streaming_ctrl   = NULL, // ttusb2_streaming_ctrl,
216
217                         .frontend_attach  = ttusb2_frontend_attach,
218                         .tuner_attach     = ttusb2_tuner_attach,
219
220                         /* parameter for the MPEG2-data transfer */
221                         .stream = {
222                                 .type = USB_ISOC,
223                                 .count = 5,
224                                 .endpoint = 0x02,
225                                 .u = {
226                                         .isoc = {
227                                                 .framesperurb = 4,
228                                                 .framesize = 940,
229                                                 .interval = 1,
230                                         }
231                                 }
232                         }
233                 }
234         },
235
236         .power_ctrl       = ttusb2_power_ctrl,
237         .identify_state   = ttusb2_identify_state,
238
239         .i2c_algo         = &ttusb2_i2c_algo,
240
241         .generic_bulk_ctrl_endpoint = 0x01,
242
243         .num_device_descs = 2,
244         .devices = {
245                 {   "Pinnacle 400e DVB-S USB2.0",
246                         { &ttusb2_table[0], NULL },
247                         { NULL },
248                 },
249                 {   "Pinnacle 450e DVB-S USB2.0",
250                         { &ttusb2_table[1], NULL },
251                         { NULL },
252                 },
253         }
254 };
255
256 static struct dvb_usb_device_properties ttusb2_properties_s2400 = {
257         .caps = DVB_USB_IS_AN_I2C_ADAPTER,
258
259         .usb_ctrl = CYPRESS_FX2,
260         .firmware = "dvb-usb-tt-s2400-01.fw",
261
262         .size_of_priv = sizeof(struct ttusb2_state),
263
264         .num_adapters = 1,
265         .adapter = {
266                 {
267                         .streaming_ctrl   = NULL,
268
269                         .frontend_attach  = ttusb2_frontend_attach,
270                         .tuner_attach     = ttusb2_tuner_attach,
271
272                         /* parameter for the MPEG2-data transfer */
273                         .stream = {
274                                 .type = USB_ISOC,
275                                 .count = 5,
276                                 .endpoint = 0x02,
277                                 .u = {
278                                         .isoc = {
279                                                 .framesperurb = 4,
280                                                 .framesize = 940,
281                                                 .interval = 1,
282                                         }
283                                 }
284                         }
285                 }
286         },
287
288         .power_ctrl       = ttusb2_power_ctrl,
289         .identify_state   = ttusb2_identify_state,
290
291         .i2c_algo         = &ttusb2_i2c_algo,
292
293         .generic_bulk_ctrl_endpoint = 0x01,
294
295         .num_device_descs = 1,
296         .devices = {
297                 {   "Technotrend TT-connect S-2400",
298                         { &ttusb2_table[2], NULL },
299                         { NULL },
300                 },
301         }
302 };
303
304 static struct usb_driver ttusb2_driver = {
305         .name           = "dvb_usb_ttusb2",
306         .probe          = ttusb2_probe,
307         .disconnect = dvb_usb_device_exit,
308         .id_table       = ttusb2_table,
309 };
310
311 /* module stuff */
312 static int __init ttusb2_module_init(void)
313 {
314         int result;
315         if ((result = usb_register(&ttusb2_driver))) {
316                 err("usb_register failed. Error number %d",result);
317                 return result;
318         }
319
320         return 0;
321 }
322
323 static void __exit ttusb2_module_exit(void)
324 {
325         /* deregister this driver from the USB subsystem */
326         usb_deregister(&ttusb2_driver);
327 }
328
329 module_init (ttusb2_module_init);
330 module_exit (ttusb2_module_exit);
331
332 MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@desy.de>");
333 MODULE_DESCRIPTION("Driver for Pinnacle PCTV 400e DVB-S USB2.0");
334 MODULE_VERSION("1.0");
335 MODULE_LICENSE("GPL");