V4L/DVB (4643): Multi-input patch for DVB-USB device
[linux-2.6.git] / 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 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 static int digitv_ctrl_msg(struct dvb_usb_device *d,
25                 u8 cmd, u8 vv, u8 *wbuf, int wlen, u8 *rbuf, int rlen)
26 {
27         int wo = (rbuf == NULL || rlen == 0); /* write-only */
28         u8 sndbuf[7],rcvbuf[7];
29         memset(sndbuf,0,7); memset(rcvbuf,0,7);
30
31         sndbuf[0] = cmd;
32         sndbuf[1] = vv;
33         sndbuf[2] = wo ? wlen : rlen;
34
35         if (wo) {
36                 memcpy(&sndbuf[3],wbuf,wlen);
37                 dvb_usb_generic_write(d,sndbuf,7);
38         } else {
39                 dvb_usb_generic_rw(d,sndbuf,7,rcvbuf,7,10);
40                 memcpy(rbuf,&rcvbuf[3],rlen);
41         }
42         return 0;
43 }
44
45 /* I2C */
46 static int digitv_i2c_xfer(struct i2c_adapter *adap,struct i2c_msg msg[],int num)
47 {
48         struct dvb_usb_device *d = i2c_get_adapdata(adap);
49         int i;
50
51         if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
52                 return -EAGAIN;
53
54         if (num > 2)
55                 warn("more than 2 i2c messages at a time is not handled yet. TODO.");
56
57         for (i = 0; i < num; i++) {
58                 /* write/read request */
59                 if (i+1 < num && (msg[i+1].flags & I2C_M_RD)) {
60                         if (digitv_ctrl_msg(d, USB_READ_COFDM, msg[i].buf[0], NULL, 0,
61                                                 msg[i+1].buf,msg[i+1].len) < 0)
62                                 break;
63                         i++;
64                 } else
65                         if (digitv_ctrl_msg(d,USB_WRITE_COFDM, msg[i].buf[0],
66                                                 &msg[i].buf[1],msg[i].len-1,NULL,0) < 0)
67                                 break;
68         }
69
70         mutex_unlock(&d->i2c_mutex);
71         return i;
72 }
73
74 static u32 digitv_i2c_func(struct i2c_adapter *adapter)
75 {
76         return I2C_FUNC_I2C;
77 }
78
79 static struct i2c_algorithm digitv_i2c_algo = {
80         .master_xfer   = digitv_i2c_xfer,
81         .functionality = digitv_i2c_func,
82 };
83
84 /* Callbacks for DVB USB */
85 static int digitv_identify_state (struct usb_device *udev, struct
86                 dvb_usb_device_properties *props, struct dvb_usb_device_description **desc,
87                 int *cold)
88 {
89         *cold = udev->descriptor.iManufacturer == 0 && udev->descriptor.iProduct == 0;
90         return 0;
91 }
92
93 static int digitv_mt352_demod_init(struct dvb_frontend *fe)
94 {
95         static u8 reset_buf[] = { 0x89, 0x38,  0x8a, 0x2d, 0x50, 0x80 };
96         static u8 init_buf[] = { 0x68, 0xa0,  0x8e, 0x40,  0x53, 0x50,
97                         0x67, 0x20,  0x7d, 0x01,  0x7c, 0x00,  0x7a, 0x00,
98                         0x79, 0x20,  0x57, 0x05,  0x56, 0x31,  0x88, 0x0f,
99                         0x75, 0x32 };
100         int i;
101
102         for (i = 0; i < ARRAY_SIZE(reset_buf); i += 2)
103                 mt352_write(fe, &reset_buf[i], 2);
104
105         msleep(1);
106
107         for (i = 0; i < ARRAY_SIZE(init_buf); i += 2)
108                 mt352_write(fe, &init_buf[i], 2);
109
110         return 0;
111 }
112
113 static struct mt352_config digitv_mt352_config = {
114         .demod_init = digitv_mt352_demod_init,
115 };
116
117 static int digitv_nxt6000_tuner_set_params(struct dvb_frontend *fe, struct dvb_frontend_parameters *fep)
118 {
119         struct dvb_usb_adapter *adap = fe->dvb->priv;
120         u8 b[5];
121         dvb_usb_tuner_calc_regs(fe,fep,b, 5);
122         return digitv_ctrl_msg(adap->dev, USB_WRITE_TUNER, 0, &b[1], 4, NULL, 0);
123 }
124
125 static struct nxt6000_config digitv_nxt6000_config = {
126         .clock_inversion = 1,
127 };
128
129 static int digitv_frontend_attach(struct dvb_usb_adapter *adap)
130 {
131         if ((adap->fe = dvb_attach(mt352_attach, &digitv_mt352_config, &adap->dev->i2c_adap)) != NULL) {
132                 adap->fe->ops.tuner_ops.calc_regs = dvb_usb_tuner_calc_regs;
133                 return 0;
134         }
135         if ((adap->fe = dvb_attach(nxt6000_attach, &digitv_nxt6000_config, &adap->dev->i2c_adap)) != NULL) {
136                 adap->fe->ops.tuner_ops.set_params = digitv_nxt6000_tuner_set_params;
137                 return 0;
138         }
139         return -EIO;
140 }
141
142 static int digitv_tuner_attach(struct dvb_usb_adapter *adap)
143 {
144         adap->pll_addr = 0x60;
145         adap->pll_desc = &dvb_pll_tded4;
146         return 0;
147 }
148
149 static struct dvb_usb_rc_key digitv_rc_keys[] = {
150         { 0x5f, 0x55, KEY_0 },
151         { 0x6f, 0x55, KEY_1 },
152         { 0x9f, 0x55, KEY_2 },
153         { 0xaf, 0x55, KEY_3 },
154         { 0x5f, 0x56, KEY_4 },
155         { 0x6f, 0x56, KEY_5 },
156         { 0x9f, 0x56, KEY_6 },
157         { 0xaf, 0x56, KEY_7 },
158         { 0x5f, 0x59, KEY_8 },
159         { 0x6f, 0x59, KEY_9 },
160         { 0x9f, 0x59, KEY_TV },
161         { 0xaf, 0x59, KEY_AUX },
162         { 0x5f, 0x5a, KEY_DVD },
163         { 0x6f, 0x5a, KEY_POWER },
164         { 0x9f, 0x5a, KEY_MHP },     /* labelled 'Picture' */
165         { 0xaf, 0x5a, KEY_AUDIO },
166         { 0x5f, 0x65, KEY_INFO },
167         { 0x6f, 0x65, KEY_F13 },     /* 16:9 */
168         { 0x9f, 0x65, KEY_F14 },     /* 14:9 */
169         { 0xaf, 0x65, KEY_EPG },
170         { 0x5f, 0x66, KEY_EXIT },
171         { 0x6f, 0x66, KEY_MENU },
172         { 0x9f, 0x66, KEY_UP },
173         { 0xaf, 0x66, KEY_DOWN },
174         { 0x5f, 0x69, KEY_LEFT },
175         { 0x6f, 0x69, KEY_RIGHT },
176         { 0x9f, 0x69, KEY_ENTER },
177         { 0xaf, 0x69, KEY_CHANNELUP },
178         { 0x5f, 0x6a, KEY_CHANNELDOWN },
179         { 0x6f, 0x6a, KEY_VOLUMEUP },
180         { 0x9f, 0x6a, KEY_VOLUMEDOWN },
181         { 0xaf, 0x6a, KEY_RED },
182         { 0x5f, 0x95, KEY_GREEN },
183         { 0x6f, 0x95, KEY_YELLOW },
184         { 0x9f, 0x95, KEY_BLUE },
185         { 0xaf, 0x95, KEY_SUBTITLE },
186         { 0x5f, 0x96, KEY_F15 },     /* AD */
187         { 0x6f, 0x96, KEY_TEXT },
188         { 0x9f, 0x96, KEY_MUTE },
189         { 0xaf, 0x96, KEY_REWIND },
190         { 0x5f, 0x99, KEY_STOP },
191         { 0x6f, 0x99, KEY_PLAY },
192         { 0x9f, 0x99, KEY_FASTFORWARD },
193         { 0xaf, 0x99, KEY_F16 },     /* chapter */
194         { 0x5f, 0x9a, KEY_PAUSE },
195         { 0x6f, 0x9a, KEY_PLAY },
196         { 0x9f, 0x9a, KEY_RECORD },
197         { 0xaf, 0x9a, KEY_F17 },     /* picture in picture */
198         { 0x5f, 0xa5, KEY_KPPLUS },  /* zoom in */
199         { 0x6f, 0xa5, KEY_KPMINUS }, /* zoom out */
200         { 0x9f, 0xa5, KEY_F18 },     /* capture */
201         { 0xaf, 0xa5, KEY_F19 },     /* web */
202         { 0x5f, 0xa6, KEY_EMAIL },
203         { 0x6f, 0xa6, KEY_PHONE },
204         { 0x9f, 0xa6, KEY_PC },
205 };
206
207 static int digitv_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
208 {
209         int i;
210         u8 key[5];
211         u8 b[4] = { 0 };
212
213         *event = 0;
214         *state = REMOTE_NO_KEY_PRESSED;
215
216         digitv_ctrl_msg(d,USB_READ_REMOTE,0,NULL,0,&key[1],4);
217
218         /* Tell the device we've read the remote. Not sure how necessary
219            this is, but the Nebula SDK does it. */
220         digitv_ctrl_msg(d,USB_WRITE_REMOTE,0,b,4,NULL,0);
221
222         /* if something is inside the buffer, simulate key press */
223         if (key[1] != 0)
224         {
225                   for (i = 0; i < d->props.rc_key_map_size; i++) {
226                         if (d->props.rc_key_map[i].custom == key[1] &&
227                             d->props.rc_key_map[i].data == key[2]) {
228                                 *event = d->props.rc_key_map[i].event;
229                                 *state = REMOTE_KEY_PRESSED;
230                                 return 0;
231                         }
232                 }
233         }
234
235         if (key[0] != 0)
236                 deb_rc("key: %x %x %x %x %x\n",key[0],key[1],key[2],key[3],key[4]);
237         return 0;
238 }
239
240 /* DVB USB Driver stuff */
241 static struct dvb_usb_device_properties digitv_properties;
242
243 static int digitv_probe(struct usb_interface *intf,
244                 const struct usb_device_id *id)
245 {
246         struct dvb_usb_device *d;
247         int ret;
248         if ((ret = dvb_usb_device_init(intf,&digitv_properties,THIS_MODULE,&d)) == 0) {
249                 u8 b[4] = { 0 };
250
251                 if (d != NULL) { /* do that only when the firmware is loaded */
252                         b[0] = 1;
253                         digitv_ctrl_msg(d,USB_WRITE_REMOTE_TYPE,0,b,4,NULL,0);
254
255                         b[0] = 0;
256                         digitv_ctrl_msg(d,USB_WRITE_REMOTE,0,b,4,NULL,0);
257                 }
258         }
259         return ret;
260 }
261
262 static struct usb_device_id digitv_table [] = {
263                 { USB_DEVICE(USB_VID_ANCHOR, USB_PID_NEBULA_DIGITV) },
264                 { }             /* Terminating entry */
265 };
266 MODULE_DEVICE_TABLE (usb, digitv_table);
267
268 static struct dvb_usb_device_properties digitv_properties = {
269         .caps = DVB_USB_IS_AN_I2C_ADAPTER,
270
271         .usb_ctrl = CYPRESS_FX2,
272         .firmware = "dvb-usb-digitv-02.fw",
273
274         .num_adapters = 1,
275         .adapter = {
276                 {
277         .frontend_attach  = digitv_frontend_attach,
278         .tuner_attach     = digitv_tuner_attach,
279
280         /* parameter for the MPEG2-data transfer */
281                         .stream = {
282                                 .type = USB_BULK,
283                 .count = 7,
284                 .endpoint = 0x02,
285                 .u = {
286                         .bulk = {
287                                 .buffersize = 4096,
288                         }
289                 }
290         },
291                 }
292         },
293         .identify_state   = digitv_identify_state,
294
295         .rc_interval      = 1000,
296         .rc_key_map       = digitv_rc_keys,
297         .rc_key_map_size  = ARRAY_SIZE(digitv_rc_keys),
298         .rc_query         = digitv_rc_query,
299
300         .i2c_algo         = &digitv_i2c_algo,
301
302         .generic_bulk_ctrl_endpoint = 0x01,
303
304         .num_device_descs = 1,
305         .devices = {
306                 {   "Nebula Electronics uDigiTV DVB-T USB2.0)",
307                         { &digitv_table[0], NULL },
308                         { NULL },
309                 },
310                 { NULL },
311         }
312 };
313
314 static struct usb_driver digitv_driver = {
315         .name           = "dvb_usb_digitv",
316         .probe          = digitv_probe,
317         .disconnect = dvb_usb_device_exit,
318         .id_table       = digitv_table,
319 };
320
321 /* module stuff */
322 static int __init digitv_module_init(void)
323 {
324         int result;
325         if ((result = usb_register(&digitv_driver))) {
326                 err("usb_register failed. Error number %d",result);
327                 return result;
328         }
329
330         return 0;
331 }
332
333 static void __exit digitv_module_exit(void)
334 {
335         /* deregister this driver from the USB subsystem */
336         usb_deregister(&digitv_driver);
337 }
338
339 module_init (digitv_module_init);
340 module_exit (digitv_module_exit);
341
342 MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@desy.de>");
343 MODULE_DESCRIPTION("Driver for Nebula Electronics uDigiTV DVB-T USB2.0");
344 MODULE_VERSION("1.0-alpha");
345 MODULE_LICENSE("GPL");