Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6
[linux-2.6] / drivers / media / dvb / dvb-usb / digitv.c
1 /* DVB USB compliant linux driver for Nebula Electronics uDigiTV DVB-T USB2.0
2  * receiver
3  *
4  * Copyright (C) 2005 Patrick Boettcher (patrick.boettcher@desy.de)
5  *
6  * partly based on the SDK published by Nebula Electronics
7  *
8  *      This program is free software; you can redistribute it and/or modify it
9  *      under the terms of the GNU General Public License as published by the Free
10  *      Software Foundation, version 2.
11  *
12  * see Documentation/dvb/README.dvb-usb for more information
13  */
14 #include "digitv.h"
15
16 #include "mt352.h"
17 #include "nxt6000.h"
18
19 /* debug */
20 static int dvb_usb_digitv_debug;
21 module_param_named(debug,dvb_usb_digitv_debug, int, 0644);
22 MODULE_PARM_DESC(debug, "set debugging level (1=rc (or-able))." DVB_USB_DEBUG_STATUS);
23
24 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
25
26 #define deb_rc(args...)   dprintk(dvb_usb_digitv_debug,0x01,args)
27
28 static int digitv_ctrl_msg(struct dvb_usb_device *d,
29                 u8 cmd, u8 vv, u8 *wbuf, int wlen, u8 *rbuf, int rlen)
30 {
31         int wo = (rbuf == NULL || rlen == 0); /* write-only */
32         u8 sndbuf[7],rcvbuf[7];
33         memset(sndbuf,0,7); memset(rcvbuf,0,7);
34
35         sndbuf[0] = cmd;
36         sndbuf[1] = vv;
37         sndbuf[2] = wo ? wlen : rlen;
38
39         if (wo) {
40                 memcpy(&sndbuf[3],wbuf,wlen);
41                 dvb_usb_generic_write(d,sndbuf,7);
42         } else {
43                 dvb_usb_generic_rw(d,sndbuf,7,rcvbuf,7,10);
44                 memcpy(rbuf,&rcvbuf[3],rlen);
45         }
46         return 0;
47 }
48
49 /* I2C */
50 static int digitv_i2c_xfer(struct i2c_adapter *adap,struct i2c_msg msg[],int num)
51 {
52         struct dvb_usb_device *d = i2c_get_adapdata(adap);
53         int i;
54
55         if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
56                 return -EAGAIN;
57
58         if (num > 2)
59                 warn("more than 2 i2c messages at a time is not handled yet. TODO.");
60
61         for (i = 0; i < num; i++) {
62                 /* write/read request */
63                 if (i+1 < num && (msg[i+1].flags & I2C_M_RD)) {
64                         if (digitv_ctrl_msg(d, USB_READ_COFDM, msg[i].buf[0], NULL, 0,
65                                                 msg[i+1].buf,msg[i+1].len) < 0)
66                                 break;
67                         i++;
68                 } else
69                         if (digitv_ctrl_msg(d,USB_WRITE_COFDM, msg[i].buf[0],
70                                                 &msg[i].buf[1],msg[i].len-1,NULL,0) < 0)
71                                 break;
72         }
73
74         mutex_unlock(&d->i2c_mutex);
75         return i;
76 }
77
78 static u32 digitv_i2c_func(struct i2c_adapter *adapter)
79 {
80         return I2C_FUNC_I2C;
81 }
82
83 static struct i2c_algorithm digitv_i2c_algo = {
84         .master_xfer   = digitv_i2c_xfer,
85         .functionality = digitv_i2c_func,
86 };
87
88 /* Callbacks for DVB USB */
89 static int digitv_identify_state (struct usb_device *udev, struct
90                 dvb_usb_device_properties *props, struct dvb_usb_device_description **desc,
91                 int *cold)
92 {
93         *cold = udev->descriptor.iManufacturer == 0 && udev->descriptor.iProduct == 0;
94         return 0;
95 }
96
97 static int digitv_mt352_demod_init(struct dvb_frontend *fe)
98 {
99         static u8 reset_buf[] = { 0x89, 0x38,  0x8a, 0x2d, 0x50, 0x80 };
100         static u8 init_buf[] = { 0x68, 0xa0,  0x8e, 0x40,  0x53, 0x50,
101                         0x67, 0x20,  0x7d, 0x01,  0x7c, 0x00,  0x7a, 0x00,
102                         0x79, 0x20,  0x57, 0x05,  0x56, 0x31,  0x88, 0x0f,
103                         0x75, 0x32 };
104         int i;
105
106         for (i = 0; i < ARRAY_SIZE(reset_buf); i += 2)
107                 mt352_write(fe, &reset_buf[i], 2);
108
109         msleep(1);
110
111         for (i = 0; i < ARRAY_SIZE(init_buf); i += 2)
112                 mt352_write(fe, &init_buf[i], 2);
113
114         return 0;
115 }
116
117 static struct mt352_config digitv_mt352_config = {
118         .demod_init = digitv_mt352_demod_init,
119 };
120
121 static int digitv_nxt6000_tuner_set_params(struct dvb_frontend *fe, struct dvb_frontend_parameters *fep)
122 {
123         struct dvb_usb_adapter *adap = fe->dvb->priv;
124         u8 b[5];
125
126         fe->ops.tuner_ops.calc_regs(fe, fep, b, sizeof(b));
127         if (fe->ops.i2c_gate_ctrl)
128                 fe->ops.i2c_gate_ctrl(fe, 1);
129         return digitv_ctrl_msg(adap->dev, USB_WRITE_TUNER, 0, &b[1], 4, NULL, 0);
130 }
131
132 static struct nxt6000_config digitv_nxt6000_config = {
133         .clock_inversion = 1,
134 };
135
136 static int digitv_frontend_attach(struct dvb_usb_adapter *adap)
137 {
138         struct digitv_state *st = adap->dev->priv;
139
140         if ((adap->fe = dvb_attach(mt352_attach, &digitv_mt352_config, &adap->dev->i2c_adap)) != NULL) {
141                 st->is_nxt6000 = 0;
142                 return 0;
143         }
144         if ((adap->fe = dvb_attach(nxt6000_attach, &digitv_nxt6000_config, &adap->dev->i2c_adap)) != NULL) {
145                 st->is_nxt6000 = 1;
146                 return 0;
147         }
148         return -EIO;
149 }
150
151 static int digitv_tuner_attach(struct dvb_usb_adapter *adap)
152 {
153         struct digitv_state *st = adap->dev->priv;
154
155         if (!dvb_attach(dvb_pll_attach, adap->fe, 0x60, NULL, DVB_PLL_TDED4))
156                 return -ENODEV;
157
158         if (st->is_nxt6000)
159                 adap->fe->ops.tuner_ops.set_params = digitv_nxt6000_tuner_set_params;
160
161         return 0;
162 }
163
164 static struct dvb_usb_rc_key digitv_rc_keys[] = {
165         { 0x5f, 0x55, KEY_0 },
166         { 0x6f, 0x55, KEY_1 },
167         { 0x9f, 0x55, KEY_2 },
168         { 0xaf, 0x55, KEY_3 },
169         { 0x5f, 0x56, KEY_4 },
170         { 0x6f, 0x56, KEY_5 },
171         { 0x9f, 0x56, KEY_6 },
172         { 0xaf, 0x56, KEY_7 },
173         { 0x5f, 0x59, KEY_8 },
174         { 0x6f, 0x59, KEY_9 },
175         { 0x9f, 0x59, KEY_TV },
176         { 0xaf, 0x59, KEY_AUX },
177         { 0x5f, 0x5a, KEY_DVD },
178         { 0x6f, 0x5a, KEY_POWER },
179         { 0x9f, 0x5a, KEY_MHP },     /* labelled 'Picture' */
180         { 0xaf, 0x5a, KEY_AUDIO },
181         { 0x5f, 0x65, KEY_INFO },
182         { 0x6f, 0x65, KEY_F13 },     /* 16:9 */
183         { 0x9f, 0x65, KEY_F14 },     /* 14:9 */
184         { 0xaf, 0x65, KEY_EPG },
185         { 0x5f, 0x66, KEY_EXIT },
186         { 0x6f, 0x66, KEY_MENU },
187         { 0x9f, 0x66, KEY_UP },
188         { 0xaf, 0x66, KEY_DOWN },
189         { 0x5f, 0x69, KEY_LEFT },
190         { 0x6f, 0x69, KEY_RIGHT },
191         { 0x9f, 0x69, KEY_ENTER },
192         { 0xaf, 0x69, KEY_CHANNELUP },
193         { 0x5f, 0x6a, KEY_CHANNELDOWN },
194         { 0x6f, 0x6a, KEY_VOLUMEUP },
195         { 0x9f, 0x6a, KEY_VOLUMEDOWN },
196         { 0xaf, 0x6a, KEY_RED },
197         { 0x5f, 0x95, KEY_GREEN },
198         { 0x6f, 0x95, KEY_YELLOW },
199         { 0x9f, 0x95, KEY_BLUE },
200         { 0xaf, 0x95, KEY_SUBTITLE },
201         { 0x5f, 0x96, KEY_F15 },     /* AD */
202         { 0x6f, 0x96, KEY_TEXT },
203         { 0x9f, 0x96, KEY_MUTE },
204         { 0xaf, 0x96, KEY_REWIND },
205         { 0x5f, 0x99, KEY_STOP },
206         { 0x6f, 0x99, KEY_PLAY },
207         { 0x9f, 0x99, KEY_FASTFORWARD },
208         { 0xaf, 0x99, KEY_F16 },     /* chapter */
209         { 0x5f, 0x9a, KEY_PAUSE },
210         { 0x6f, 0x9a, KEY_PLAY },
211         { 0x9f, 0x9a, KEY_RECORD },
212         { 0xaf, 0x9a, KEY_F17 },     /* picture in picture */
213         { 0x5f, 0xa5, KEY_KPPLUS },  /* zoom in */
214         { 0x6f, 0xa5, KEY_KPMINUS }, /* zoom out */
215         { 0x9f, 0xa5, KEY_F18 },     /* capture */
216         { 0xaf, 0xa5, KEY_F19 },     /* web */
217         { 0x5f, 0xa6, KEY_EMAIL },
218         { 0x6f, 0xa6, KEY_PHONE },
219         { 0x9f, 0xa6, KEY_PC },
220 };
221
222 static int digitv_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
223 {
224         int i;
225         u8 key[5];
226         u8 b[4] = { 0 };
227
228         *event = 0;
229         *state = REMOTE_NO_KEY_PRESSED;
230
231         digitv_ctrl_msg(d,USB_READ_REMOTE,0,NULL,0,&key[1],4);
232
233         /* Tell the device we've read the remote. Not sure how necessary
234            this is, but the Nebula SDK does it. */
235         digitv_ctrl_msg(d,USB_WRITE_REMOTE,0,b,4,NULL,0);
236
237         /* if something is inside the buffer, simulate key press */
238         if (key[1] != 0)
239         {
240                   for (i = 0; i < d->props.rc_key_map_size; i++) {
241                         if (d->props.rc_key_map[i].custom == key[1] &&
242                             d->props.rc_key_map[i].data == key[2]) {
243                                 *event = d->props.rc_key_map[i].event;
244                                 *state = REMOTE_KEY_PRESSED;
245                                 return 0;
246                         }
247                 }
248         }
249
250         if (key[0] != 0)
251                 deb_rc("key: %x %x %x %x %x\n",key[0],key[1],key[2],key[3],key[4]);
252         return 0;
253 }
254
255 /* DVB USB Driver stuff */
256 static struct dvb_usb_device_properties digitv_properties;
257
258 static int digitv_probe(struct usb_interface *intf,
259                 const struct usb_device_id *id)
260 {
261         struct dvb_usb_device *d;
262         int ret = dvb_usb_device_init(intf, &digitv_properties, THIS_MODULE, &d,
263                                       adapter_nr);
264         if (ret == 0) {
265                 u8 b[4] = { 0 };
266
267                 if (d != NULL) { /* do that only when the firmware is loaded */
268                         b[0] = 1;
269                         digitv_ctrl_msg(d,USB_WRITE_REMOTE_TYPE,0,b,4,NULL,0);
270
271                         b[0] = 0;
272                         digitv_ctrl_msg(d,USB_WRITE_REMOTE,0,b,4,NULL,0);
273                 }
274         }
275         return ret;
276 }
277
278 static struct usb_device_id digitv_table [] = {
279                 { USB_DEVICE(USB_VID_ANCHOR, USB_PID_NEBULA_DIGITV) },
280                 { }             /* Terminating entry */
281 };
282 MODULE_DEVICE_TABLE (usb, digitv_table);
283
284 static struct dvb_usb_device_properties digitv_properties = {
285         .caps = DVB_USB_IS_AN_I2C_ADAPTER,
286
287         .usb_ctrl = CYPRESS_FX2,
288         .firmware = "dvb-usb-digitv-02.fw",
289
290         .size_of_priv = sizeof(struct digitv_state),
291
292         .num_adapters = 1,
293         .adapter = {
294                 {
295                         .frontend_attach  = digitv_frontend_attach,
296                         .tuner_attach     = digitv_tuner_attach,
297
298                         /* parameter for the MPEG2-data transfer */
299                         .stream = {
300                                 .type = USB_BULK,
301                                 .count = 7,
302                                 .endpoint = 0x02,
303                                 .u = {
304                                         .bulk = {
305                                                 .buffersize = 4096,
306                                         }
307                                 }
308                         },
309                 }
310         },
311         .identify_state   = digitv_identify_state,
312
313         .rc_interval      = 1000,
314         .rc_key_map       = digitv_rc_keys,
315         .rc_key_map_size  = ARRAY_SIZE(digitv_rc_keys),
316         .rc_query         = digitv_rc_query,
317
318         .i2c_algo         = &digitv_i2c_algo,
319
320         .generic_bulk_ctrl_endpoint = 0x01,
321
322         .num_device_descs = 1,
323         .devices = {
324                 {   "Nebula Electronics uDigiTV DVB-T USB2.0)",
325                         { &digitv_table[0], NULL },
326                         { NULL },
327                 },
328                 { NULL },
329         }
330 };
331
332 static struct usb_driver digitv_driver = {
333         .name           = "dvb_usb_digitv",
334         .probe          = digitv_probe,
335         .disconnect = dvb_usb_device_exit,
336         .id_table       = digitv_table,
337 };
338
339 /* module stuff */
340 static int __init digitv_module_init(void)
341 {
342         int result;
343         if ((result = usb_register(&digitv_driver))) {
344                 err("usb_register failed. Error number %d",result);
345                 return result;
346         }
347
348         return 0;
349 }
350
351 static void __exit digitv_module_exit(void)
352 {
353         /* deregister this driver from the USB subsystem */
354         usb_deregister(&digitv_driver);
355 }
356
357 module_init (digitv_module_init);
358 module_exit (digitv_module_exit);
359
360 MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@desy.de>");
361 MODULE_DESCRIPTION("Driver for Nebula Electronics uDigiTV DVB-T USB2.0");
362 MODULE_VERSION("1.0-alpha");
363 MODULE_LICENSE("GPL");