This source file includes following definitions.
- digitv_ctrl_msg
- digitv_i2c_xfer
- digitv_i2c_func
- digitv_identify_state
- digitv_mt352_demod_init
- digitv_nxt6000_tuner_set_params
- digitv_frontend_attach
- digitv_tuner_attach
- digitv_rc_query
- digitv_probe
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11 #include "digitv.h"
12
13 #include "mt352.h"
14 #include "nxt6000.h"
15
16
17 static int dvb_usb_digitv_debug;
18 module_param_named(debug,dvb_usb_digitv_debug, int, 0644);
19 MODULE_PARM_DESC(debug, "set debugging level (1=rc (or-able))." DVB_USB_DEBUG_STATUS);
20
21 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
22
23 #define deb_rc(args...) dprintk(dvb_usb_digitv_debug,0x01,args)
24
25 static int digitv_ctrl_msg(struct dvb_usb_device *d,
26 u8 cmd, u8 vv, u8 *wbuf, int wlen, u8 *rbuf, int rlen)
27 {
28 struct digitv_state *st = d->priv;
29 int ret, wo;
30
31 wo = (rbuf == NULL || rlen == 0);
32
33 if (wlen > 4 || rlen > 4)
34 return -EIO;
35
36 memset(st->sndbuf, 0, 7);
37 memset(st->rcvbuf, 0, 7);
38
39 st->sndbuf[0] = cmd;
40 st->sndbuf[1] = vv;
41 st->sndbuf[2] = wo ? wlen : rlen;
42
43 if (wo) {
44 memcpy(&st->sndbuf[3], wbuf, wlen);
45 ret = dvb_usb_generic_write(d, st->sndbuf, 7);
46 } else {
47 ret = dvb_usb_generic_rw(d, st->sndbuf, 7, st->rcvbuf, 7, 10);
48 memcpy(rbuf, &st->rcvbuf[3], rlen);
49 }
50 return ret;
51 }
52
53
54 static int digitv_i2c_xfer(struct i2c_adapter *adap,struct i2c_msg msg[],int num)
55 {
56 struct dvb_usb_device *d = i2c_get_adapdata(adap);
57 int i;
58
59 if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
60 return -EAGAIN;
61
62 if (num > 2)
63 warn("more than 2 i2c messages at a time is not handled yet. TODO.");
64
65 for (i = 0; i < num; i++) {
66
67 if (i+1 < num && (msg[i+1].flags & I2C_M_RD)) {
68 if (digitv_ctrl_msg(d, USB_READ_COFDM, msg[i].buf[0], NULL, 0,
69 msg[i+1].buf,msg[i+1].len) < 0)
70 break;
71 i++;
72 } else
73 if (digitv_ctrl_msg(d,USB_WRITE_COFDM, msg[i].buf[0],
74 &msg[i].buf[1],msg[i].len-1,NULL,0) < 0)
75 break;
76 }
77
78 mutex_unlock(&d->i2c_mutex);
79 return i;
80 }
81
82 static u32 digitv_i2c_func(struct i2c_adapter *adapter)
83 {
84 return I2C_FUNC_I2C;
85 }
86
87 static struct i2c_algorithm digitv_i2c_algo = {
88 .master_xfer = digitv_i2c_xfer,
89 .functionality = digitv_i2c_func,
90 };
91
92
93 static int digitv_identify_state (struct usb_device *udev, struct
94 dvb_usb_device_properties *props, struct dvb_usb_device_description **desc,
95 int *cold)
96 {
97 *cold = udev->descriptor.iManufacturer == 0 && udev->descriptor.iProduct == 0;
98 return 0;
99 }
100
101 static int digitv_mt352_demod_init(struct dvb_frontend *fe)
102 {
103 static u8 reset_buf[] = { 0x89, 0x38, 0x8a, 0x2d, 0x50, 0x80 };
104 static u8 init_buf[] = { 0x68, 0xa0, 0x8e, 0x40, 0x53, 0x50,
105 0x67, 0x20, 0x7d, 0x01, 0x7c, 0x00, 0x7a, 0x00,
106 0x79, 0x20, 0x57, 0x05, 0x56, 0x31, 0x88, 0x0f,
107 0x75, 0x32 };
108 int i;
109
110 for (i = 0; i < ARRAY_SIZE(reset_buf); i += 2)
111 mt352_write(fe, &reset_buf[i], 2);
112
113 msleep(1);
114
115 for (i = 0; i < ARRAY_SIZE(init_buf); i += 2)
116 mt352_write(fe, &init_buf[i], 2);
117
118 return 0;
119 }
120
121 static struct mt352_config digitv_mt352_config = {
122 .demod_init = digitv_mt352_demod_init,
123 };
124
125 static int digitv_nxt6000_tuner_set_params(struct dvb_frontend *fe)
126 {
127 struct dvb_usb_adapter *adap = fe->dvb->priv;
128 u8 b[5];
129
130 fe->ops.tuner_ops.calc_regs(fe, b, sizeof(b));
131 if (fe->ops.i2c_gate_ctrl)
132 fe->ops.i2c_gate_ctrl(fe, 1);
133 return digitv_ctrl_msg(adap->dev, USB_WRITE_TUNER, 0, &b[1], 4, NULL, 0);
134 }
135
136 static struct nxt6000_config digitv_nxt6000_config = {
137 .clock_inversion = 1,
138 };
139
140 static int digitv_frontend_attach(struct dvb_usb_adapter *adap)
141 {
142 struct digitv_state *st = adap->dev->priv;
143
144 adap->fe_adap[0].fe = dvb_attach(mt352_attach, &digitv_mt352_config,
145 &adap->dev->i2c_adap);
146 if ((adap->fe_adap[0].fe) != NULL) {
147 st->is_nxt6000 = 0;
148 return 0;
149 }
150 adap->fe_adap[0].fe = dvb_attach(nxt6000_attach,
151 &digitv_nxt6000_config,
152 &adap->dev->i2c_adap);
153 if ((adap->fe_adap[0].fe) != NULL) {
154 st->is_nxt6000 = 1;
155 return 0;
156 }
157 return -EIO;
158 }
159
160 static int digitv_tuner_attach(struct dvb_usb_adapter *adap)
161 {
162 struct digitv_state *st = adap->dev->priv;
163
164 if (!dvb_attach(dvb_pll_attach, adap->fe_adap[0].fe, 0x60, NULL, DVB_PLL_TDED4))
165 return -ENODEV;
166
167 if (st->is_nxt6000)
168 adap->fe_adap[0].fe->ops.tuner_ops.set_params = digitv_nxt6000_tuner_set_params;
169
170 return 0;
171 }
172
173 static struct rc_map_table rc_map_digitv_table[] = {
174 { 0x5f55, KEY_0 },
175 { 0x6f55, KEY_1 },
176 { 0x9f55, KEY_2 },
177 { 0xaf55, KEY_3 },
178 { 0x5f56, KEY_4 },
179 { 0x6f56, KEY_5 },
180 { 0x9f56, KEY_6 },
181 { 0xaf56, KEY_7 },
182 { 0x5f59, KEY_8 },
183 { 0x6f59, KEY_9 },
184 { 0x9f59, KEY_TV },
185 { 0xaf59, KEY_AUX },
186 { 0x5f5a, KEY_DVD },
187 { 0x6f5a, KEY_POWER },
188 { 0x9f5a, KEY_CAMERA },
189 { 0xaf5a, KEY_AUDIO },
190 { 0x5f65, KEY_INFO },
191 { 0x6f65, KEY_F13 },
192 { 0x9f65, KEY_F14 },
193 { 0xaf65, KEY_EPG },
194 { 0x5f66, KEY_EXIT },
195 { 0x6f66, KEY_MENU },
196 { 0x9f66, KEY_UP },
197 { 0xaf66, KEY_DOWN },
198 { 0x5f69, KEY_LEFT },
199 { 0x6f69, KEY_RIGHT },
200 { 0x9f69, KEY_ENTER },
201 { 0xaf69, KEY_CHANNELUP },
202 { 0x5f6a, KEY_CHANNELDOWN },
203 { 0x6f6a, KEY_VOLUMEUP },
204 { 0x9f6a, KEY_VOLUMEDOWN },
205 { 0xaf6a, KEY_RED },
206 { 0x5f95, KEY_GREEN },
207 { 0x6f95, KEY_YELLOW },
208 { 0x9f95, KEY_BLUE },
209 { 0xaf95, KEY_SUBTITLE },
210 { 0x5f96, KEY_F15 },
211 { 0x6f96, KEY_TEXT },
212 { 0x9f96, KEY_MUTE },
213 { 0xaf96, KEY_REWIND },
214 { 0x5f99, KEY_STOP },
215 { 0x6f99, KEY_PLAY },
216 { 0x9f99, KEY_FASTFORWARD },
217 { 0xaf99, KEY_F16 },
218 { 0x5f9a, KEY_PAUSE },
219 { 0x6f9a, KEY_PLAY },
220 { 0x9f9a, KEY_RECORD },
221 { 0xaf9a, KEY_F17 },
222 { 0x5fa5, KEY_KPPLUS },
223 { 0x6fa5, KEY_KPMINUS },
224 { 0x9fa5, KEY_F18 },
225 { 0xafa5, KEY_F19 },
226 { 0x5fa6, KEY_EMAIL },
227 { 0x6fa6, KEY_PHONE },
228 { 0x9fa6, KEY_PC },
229 };
230
231 static int digitv_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
232 {
233 int ret, i;
234 u8 key[5];
235 u8 b[4] = { 0 };
236
237 *event = 0;
238 *state = REMOTE_NO_KEY_PRESSED;
239
240 ret = digitv_ctrl_msg(d, USB_READ_REMOTE, 0, NULL, 0, &key[1], 4);
241 if (ret)
242 return ret;
243
244
245
246 ret = digitv_ctrl_msg(d, USB_WRITE_REMOTE, 0, b, 4, NULL, 0);
247 if (ret)
248 return ret;
249
250
251 if (key[1] != 0)
252 {
253 for (i = 0; i < d->props.rc.legacy.rc_map_size; i++) {
254 if (rc5_custom(&d->props.rc.legacy.rc_map_table[i]) == key[1] &&
255 rc5_data(&d->props.rc.legacy.rc_map_table[i]) == key[2]) {
256 *event = d->props.rc.legacy.rc_map_table[i].keycode;
257 *state = REMOTE_KEY_PRESSED;
258 return 0;
259 }
260 }
261 }
262
263 if (key[0] != 0)
264 deb_rc("key: %*ph\n", 5, key);
265 return 0;
266 }
267
268
269 static struct dvb_usb_device_properties digitv_properties;
270
271 static int digitv_probe(struct usb_interface *intf,
272 const struct usb_device_id *id)
273 {
274 struct dvb_usb_device *d;
275 int ret = dvb_usb_device_init(intf, &digitv_properties, THIS_MODULE, &d,
276 adapter_nr);
277 if (ret == 0) {
278 u8 b[4] = { 0 };
279
280 if (d != NULL) {
281 b[0] = 1;
282 digitv_ctrl_msg(d,USB_WRITE_REMOTE_TYPE,0,b,4,NULL,0);
283
284 b[0] = 0;
285 digitv_ctrl_msg(d,USB_WRITE_REMOTE,0,b,4,NULL,0);
286 }
287 }
288 return ret;
289 }
290
291 static struct usb_device_id digitv_table [] = {
292 { USB_DEVICE(USB_VID_ANCHOR, USB_PID_NEBULA_DIGITV) },
293 { }
294 };
295 MODULE_DEVICE_TABLE (usb, digitv_table);
296
297 static struct dvb_usb_device_properties digitv_properties = {
298 .caps = DVB_USB_IS_AN_I2C_ADAPTER,
299
300 .usb_ctrl = CYPRESS_FX2,
301 .firmware = "dvb-usb-digitv-02.fw",
302
303 .size_of_priv = sizeof(struct digitv_state),
304
305 .num_adapters = 1,
306 .adapter = {
307 {
308 .num_frontends = 1,
309 .fe = {{
310 .frontend_attach = digitv_frontend_attach,
311 .tuner_attach = digitv_tuner_attach,
312
313
314 .stream = {
315 .type = USB_BULK,
316 .count = 7,
317 .endpoint = 0x02,
318 .u = {
319 .bulk = {
320 .buffersize = 4096,
321 }
322 }
323 },
324 }},
325 }
326 },
327 .identify_state = digitv_identify_state,
328
329 .rc.legacy = {
330 .rc_interval = 1000,
331 .rc_map_table = rc_map_digitv_table,
332 .rc_map_size = ARRAY_SIZE(rc_map_digitv_table),
333 .rc_query = digitv_rc_query,
334 },
335
336 .i2c_algo = &digitv_i2c_algo,
337
338 .generic_bulk_ctrl_endpoint = 0x01,
339
340 .num_device_descs = 1,
341 .devices = {
342 { "Nebula Electronics uDigiTV DVB-T USB2.0)",
343 { &digitv_table[0], NULL },
344 { NULL },
345 },
346 { NULL },
347 }
348 };
349
350 static struct usb_driver digitv_driver = {
351 .name = "dvb_usb_digitv",
352 .probe = digitv_probe,
353 .disconnect = dvb_usb_device_exit,
354 .id_table = digitv_table,
355 };
356
357 module_usb_driver(digitv_driver);
358
359 MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@posteo.de>");
360 MODULE_DESCRIPTION("Driver for Nebula Electronics uDigiTV DVB-T USB2.0");
361 MODULE_VERSION("1.0-alpha");
362 MODULE_LICENSE("GPL");