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776338e1 JS |
1 | /* DVB USB compliant linux driver for Nebula Electronics uDigiTV DVB-T USB2.0 |
2 | * receiver | |
3 | * | |
78c6e73f | 4 | * Copyright (C) 2005 Patrick Boettcher (patrick.boettcher@desy.de) |
776338e1 | 5 | * |
78c6e73f | 6 | * partly based on the SDK published by Nebula Electronics |
776338e1 JS |
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 */ | |
53133afb | 20 | static int dvb_usb_digitv_debug; |
776338e1 JS |
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); | |
78e92006 JG |
23 | |
24 | DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); | |
25 | ||
53133afb | 26 | #define deb_rc(args...) dprintk(dvb_usb_digitv_debug,0x01,args) |
776338e1 JS |
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 | ||
4302c15e | 39 | if (wo) { |
776338e1 JS |
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); | |
97432808 | 44 | memcpy(rbuf,&rcvbuf[3],rlen); |
776338e1 JS |
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 | ||
3593cab5 | 55 | if (mutex_lock_interruptible(&d->i2c_mutex) < 0) |
776338e1 JS |
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 | ||
3593cab5 | 74 | mutex_unlock(&d->i2c_mutex); |
776338e1 JS |
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 = { | |
776338e1 JS |
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 | |
4d43e13f | 90 | dvb_usb_device_properties *props, struct dvb_usb_device_description **desc, |
776338e1 JS |
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 | { | |
78c6e73f PB |
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; | |
776338e1 | 105 | |
78c6e73f PB |
106 | for (i = 0; i < ARRAY_SIZE(reset_buf); i += 2) |
107 | mt352_write(fe, &reset_buf[i], 2); | |
776338e1 | 108 | |
776338e1 | 109 | msleep(1); |
776338e1 | 110 | |
78c6e73f PB |
111 | for (i = 0; i < ARRAY_SIZE(init_buf); i += 2) |
112 | mt352_write(fe, &init_buf[i], 2); | |
776338e1 JS |
113 | |
114 | return 0; | |
115 | } | |
116 | ||
117 | static struct mt352_config digitv_mt352_config = { | |
776338e1 | 118 | .demod_init = digitv_mt352_demod_init, |
776338e1 JS |
119 | }; |
120 | ||
aac9ee95 | 121 | static int digitv_nxt6000_tuner_set_params(struct dvb_frontend *fe, struct dvb_frontend_parameters *fep) |
115eea4e | 122 | { |
4d43e13f | 123 | struct dvb_usb_adapter *adap = fe->dvb->priv; |
115eea4e | 124 | u8 b[5]; |
4ce15678 | 125 | |
249fa0b0 | 126 | fe->ops.tuner_ops.calc_regs(fe, b, sizeof(b)); |
2fe22dcd MK |
127 | if (fe->ops.i2c_gate_ctrl) |
128 | fe->ops.i2c_gate_ctrl(fe, 1); | |
4d43e13f | 129 | return digitv_ctrl_msg(adap->dev, USB_WRITE_TUNER, 0, &b[1], 4, NULL, 0); |
115eea4e | 130 | } |
776338e1 | 131 | |
115eea4e SO |
132 | static struct nxt6000_config digitv_nxt6000_config = { |
133 | .clock_inversion = 1, | |
776338e1 JS |
134 | }; |
135 | ||
4d43e13f | 136 | static int digitv_frontend_attach(struct dvb_usb_adapter *adap) |
776338e1 | 137 | { |
4ce15678 TP |
138 | struct digitv_state *st = adap->dev->priv; |
139 | ||
331423c4 MK |
140 | adap->fe_adap[0].fe = dvb_attach(mt352_attach, &digitv_mt352_config, |
141 | &adap->dev->i2c_adap); | |
142 | if ((adap->fe_adap[0].fe) != NULL) { | |
4ce15678 | 143 | st->is_nxt6000 = 0; |
776338e1 | 144 | return 0; |
aac9ee95 | 145 | } |
331423c4 MK |
146 | adap->fe_adap[0].fe = dvb_attach(nxt6000_attach, |
147 | &digitv_nxt6000_config, | |
148 | &adap->dev->i2c_adap); | |
149 | if ((adap->fe_adap[0].fe) != NULL) { | |
4ce15678 | 150 | st->is_nxt6000 = 1; |
aac9ee95 AQ |
151 | return 0; |
152 | } | |
776338e1 JS |
153 | return -EIO; |
154 | } | |
155 | ||
4d43e13f | 156 | static int digitv_tuner_attach(struct dvb_usb_adapter *adap) |
78c6e73f | 157 | { |
4ce15678 TP |
158 | struct digitv_state *st = adap->dev->priv; |
159 | ||
77eed219 | 160 | if (!dvb_attach(dvb_pll_attach, adap->fe_adap[0].fe, 0x60, NULL, DVB_PLL_TDED4)) |
4ce15678 TP |
161 | return -ENODEV; |
162 | ||
163 | if (st->is_nxt6000) | |
77eed219 | 164 | adap->fe_adap[0].fe->ops.tuner_ops.set_params = digitv_nxt6000_tuner_set_params; |
4ce15678 | 165 | |
78c6e73f PB |
166 | return 0; |
167 | } | |
168 | ||
2f4f58d6 | 169 | static struct rc_map_table rc_map_digitv_table[] = { |
2e365883 MCC |
170 | { 0x5f55, KEY_0 }, |
171 | { 0x6f55, KEY_1 }, | |
172 | { 0x9f55, KEY_2 }, | |
173 | { 0xaf55, KEY_3 }, | |
174 | { 0x5f56, KEY_4 }, | |
175 | { 0x6f56, KEY_5 }, | |
176 | { 0x9f56, KEY_6 }, | |
177 | { 0xaf56, KEY_7 }, | |
178 | { 0x5f59, KEY_8 }, | |
179 | { 0x6f59, KEY_9 }, | |
180 | { 0x9f59, KEY_TV }, | |
181 | { 0xaf59, KEY_AUX }, | |
182 | { 0x5f5a, KEY_DVD }, | |
183 | { 0x6f5a, KEY_POWER }, | |
444cc20b | 184 | { 0x9f5a, KEY_CAMERA }, /* labelled 'Picture' */ |
2e365883 MCC |
185 | { 0xaf5a, KEY_AUDIO }, |
186 | { 0x5f65, KEY_INFO }, | |
187 | { 0x6f65, KEY_F13 }, /* 16:9 */ | |
188 | { 0x9f65, KEY_F14 }, /* 14:9 */ | |
189 | { 0xaf65, KEY_EPG }, | |
190 | { 0x5f66, KEY_EXIT }, | |
191 | { 0x6f66, KEY_MENU }, | |
192 | { 0x9f66, KEY_UP }, | |
193 | { 0xaf66, KEY_DOWN }, | |
194 | { 0x5f69, KEY_LEFT }, | |
195 | { 0x6f69, KEY_RIGHT }, | |
196 | { 0x9f69, KEY_ENTER }, | |
197 | { 0xaf69, KEY_CHANNELUP }, | |
198 | { 0x5f6a, KEY_CHANNELDOWN }, | |
199 | { 0x6f6a, KEY_VOLUMEUP }, | |
200 | { 0x9f6a, KEY_VOLUMEDOWN }, | |
201 | { 0xaf6a, KEY_RED }, | |
202 | { 0x5f95, KEY_GREEN }, | |
203 | { 0x6f95, KEY_YELLOW }, | |
204 | { 0x9f95, KEY_BLUE }, | |
205 | { 0xaf95, KEY_SUBTITLE }, | |
206 | { 0x5f96, KEY_F15 }, /* AD */ | |
207 | { 0x6f96, KEY_TEXT }, | |
208 | { 0x9f96, KEY_MUTE }, | |
209 | { 0xaf96, KEY_REWIND }, | |
210 | { 0x5f99, KEY_STOP }, | |
211 | { 0x6f99, KEY_PLAY }, | |
212 | { 0x9f99, KEY_FASTFORWARD }, | |
213 | { 0xaf99, KEY_F16 }, /* chapter */ | |
214 | { 0x5f9a, KEY_PAUSE }, | |
215 | { 0x6f9a, KEY_PLAY }, | |
216 | { 0x9f9a, KEY_RECORD }, | |
217 | { 0xaf9a, KEY_F17 }, /* picture in picture */ | |
218 | { 0x5fa5, KEY_KPPLUS }, /* zoom in */ | |
219 | { 0x6fa5, KEY_KPMINUS }, /* zoom out */ | |
220 | { 0x9fa5, KEY_F18 }, /* capture */ | |
221 | { 0xafa5, KEY_F19 }, /* web */ | |
222 | { 0x5fa6, KEY_EMAIL }, | |
223 | { 0x6fa6, KEY_PHONE }, | |
224 | { 0x9fa6, KEY_PC }, | |
776338e1 JS |
225 | }; |
226 | ||
15ac8e66 | 227 | static int digitv_rc_query(struct dvb_usb_device *d, u32 *event, int *state) |
776338e1 | 228 | { |
774c0de4 | 229 | int i; |
776338e1 | 230 | u8 key[5]; |
774c0de4 AT |
231 | u8 b[4] = { 0 }; |
232 | ||
233 | *event = 0; | |
234 | *state = REMOTE_NO_KEY_PRESSED; | |
776338e1 JS |
235 | |
236 | digitv_ctrl_msg(d,USB_READ_REMOTE,0,NULL,0,&key[1],4); | |
774c0de4 AT |
237 | |
238 | /* Tell the device we've read the remote. Not sure how necessary | |
239 | this is, but the Nebula SDK does it. */ | |
240 | digitv_ctrl_msg(d,USB_WRITE_REMOTE,0,b,4,NULL,0); | |
241 | ||
242 | /* if something is inside the buffer, simulate key press */ | |
776338e1 | 243 | if (key[1] != 0) |
774c0de4 | 244 | { |
2f4f58d6 MCC |
245 | for (i = 0; i < d->props.rc.legacy.rc_map_size; i++) { |
246 | if (rc5_custom(&d->props.rc.legacy.rc_map_table[i]) == key[1] && | |
247 | rc5_data(&d->props.rc.legacy.rc_map_table[i]) == key[2]) { | |
248 | *event = d->props.rc.legacy.rc_map_table[i].keycode; | |
774c0de4 AT |
249 | *state = REMOTE_KEY_PRESSED; |
250 | return 0; | |
251 | } | |
252 | } | |
253 | } | |
776338e1 | 254 | |
776338e1 JS |
255 | if (key[0] != 0) |
256 | deb_rc("key: %x %x %x %x %x\n",key[0],key[1],key[2],key[3],key[4]); | |
257 | return 0; | |
258 | } | |
259 | ||
776338e1 | 260 | /* DVB USB Driver stuff */ |
4d43e13f | 261 | static struct dvb_usb_device_properties digitv_properties; |
776338e1 JS |
262 | |
263 | static int digitv_probe(struct usb_interface *intf, | |
264 | const struct usb_device_id *id) | |
265 | { | |
115eea4e | 266 | struct dvb_usb_device *d; |
78e92006 JG |
267 | int ret = dvb_usb_device_init(intf, &digitv_properties, THIS_MODULE, &d, |
268 | adapter_nr); | |
269 | if (ret == 0) { | |
115eea4e SO |
270 | u8 b[4] = { 0 }; |
271 | ||
21d06544 PB |
272 | if (d != NULL) { /* do that only when the firmware is loaded */ |
273 | b[0] = 1; | |
274 | digitv_ctrl_msg(d,USB_WRITE_REMOTE_TYPE,0,b,4,NULL,0); | |
115eea4e | 275 | |
21d06544 PB |
276 | b[0] = 0; |
277 | digitv_ctrl_msg(d,USB_WRITE_REMOTE,0,b,4,NULL,0); | |
278 | } | |
115eea4e SO |
279 | } |
280 | return ret; | |
776338e1 JS |
281 | } |
282 | ||
283 | static struct usb_device_id digitv_table [] = { | |
284 | { USB_DEVICE(USB_VID_ANCHOR, USB_PID_NEBULA_DIGITV) }, | |
285 | { } /* Terminating entry */ | |
286 | }; | |
287 | MODULE_DEVICE_TABLE (usb, digitv_table); | |
288 | ||
4d43e13f | 289 | static struct dvb_usb_device_properties digitv_properties = { |
776338e1 JS |
290 | .caps = DVB_USB_IS_AN_I2C_ADAPTER, |
291 | ||
292 | .usb_ctrl = CYPRESS_FX2, | |
21d06544 | 293 | .firmware = "dvb-usb-digitv-02.fw", |
776338e1 | 294 | |
4ce15678 TP |
295 | .size_of_priv = sizeof(struct digitv_state), |
296 | ||
4d43e13f PB |
297 | .num_adapters = 1, |
298 | .adapter = { | |
299 | { | |
77eed219 MK |
300 | .num_frontends = 1, |
301 | .fe = {{ | |
01451e72 PB |
302 | .frontend_attach = digitv_frontend_attach, |
303 | .tuner_attach = digitv_tuner_attach, | |
776338e1 | 304 | |
01451e72 | 305 | /* parameter for the MPEG2-data transfer */ |
4d43e13f PB |
306 | .stream = { |
307 | .type = USB_BULK, | |
01451e72 PB |
308 | .count = 7, |
309 | .endpoint = 0x02, | |
310 | .u = { | |
311 | .bulk = { | |
312 | .buffersize = 4096, | |
313 | } | |
314 | } | |
315 | }, | |
77eed219 | 316 | }}, |
4d43e13f PB |
317 | } |
318 | }, | |
319 | .identify_state = digitv_identify_state, | |
320 | ||
f72a27b8 MCC |
321 | .rc.legacy = { |
322 | .rc_interval = 1000, | |
2f4f58d6 MCC |
323 | .rc_map_table = rc_map_digitv_table, |
324 | .rc_map_size = ARRAY_SIZE(rc_map_digitv_table), | |
f72a27b8 MCC |
325 | .rc_query = digitv_rc_query, |
326 | }, | |
4d43e13f PB |
327 | |
328 | .i2c_algo = &digitv_i2c_algo, | |
329 | ||
330 | .generic_bulk_ctrl_endpoint = 0x01, | |
776338e1 | 331 | |
78c6e73f | 332 | .num_device_descs = 1, |
776338e1 JS |
333 | .devices = { |
334 | { "Nebula Electronics uDigiTV DVB-T USB2.0)", | |
335 | { &digitv_table[0], NULL }, | |
336 | { NULL }, | |
337 | }, | |
21d06544 | 338 | { NULL }, |
776338e1 JS |
339 | } |
340 | }; | |
341 | ||
342 | static struct usb_driver digitv_driver = { | |
63b5c1c4 | 343 | .name = "dvb_usb_digitv", |
776338e1 JS |
344 | .probe = digitv_probe, |
345 | .disconnect = dvb_usb_device_exit, | |
346 | .id_table = digitv_table, | |
347 | }; | |
348 | ||
349 | /* module stuff */ | |
350 | static int __init digitv_module_init(void) | |
351 | { | |
352 | int result; | |
353 | if ((result = usb_register(&digitv_driver))) { | |
354 | err("usb_register failed. Error number %d",result); | |
355 | return result; | |
356 | } | |
357 | ||
358 | return 0; | |
359 | } | |
360 | ||
361 | static void __exit digitv_module_exit(void) | |
362 | { | |
363 | /* deregister this driver from the USB subsystem */ | |
364 | usb_deregister(&digitv_driver); | |
365 | } | |
366 | ||
367 | module_init (digitv_module_init); | |
368 | module_exit (digitv_module_exit); | |
369 | ||
370 | MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@desy.de>"); | |
371 | MODULE_DESCRIPTION("Driver for Nebula Electronics uDigiTV DVB-T USB2.0"); | |
372 | MODULE_VERSION("1.0-alpha"); | |
373 | MODULE_LICENSE("GPL"); |