Commit | Line | Data |
---|---|---|
6cb45879 MCC |
1 | /* tuner-xc2028 |
2 | * | |
3 | * Copyright (c) 2007 Mauro Carvalho Chehab (mchehab@infradead.org) | |
701672eb ML |
4 | * Copyright (c) 2007 Michel Ludwig (michel.ludwig@gmail.com) |
5 | * - frontend interface | |
6cb45879 MCC |
6 | * This code is placed under the terms of the GNU General Public License v2 |
7 | */ | |
8 | ||
9 | #include <linux/i2c.h> | |
10 | #include <asm/div64.h> | |
11 | #include <linux/firmware.h> | |
12 | #include <linux/videodev.h> | |
13 | #include <linux/delay.h> | |
701672eb | 14 | #include <media/tuner.h> |
3b20532c | 15 | #include <linux/mutex.h> |
215b95ba | 16 | #include "tuner-i2c.h" |
6cb45879 MCC |
17 | #include "tuner-xc2028.h" |
18 | ||
701672eb ML |
19 | #include <linux/dvb/frontend.h> |
20 | #include "dvb_frontend.h" | |
21 | ||
215b95ba MCC |
22 | #define PREFIX "xc2028 " |
23 | ||
24 | static LIST_HEAD(xc2028_list); | |
701672eb | 25 | |
6cb45879 | 26 | /* Firmwares used on tm5600/tm6000 + xc2028/xc3028 */ |
2e4160ca MCC |
27 | |
28 | /* Generic firmwares */ | |
29 | static const char *firmware_INIT0 = "tm_xc3028_MTS_init0.fw"; | |
30 | static const char *firmware_8MHZ_INIT0 = "tm_xc3028_8M_MTS_init0.fw"; | |
31 | static const char *firmware_INIT1 = "tm_xc3028_68M_MTS_init1.fw"; | |
32 | ||
33 | /* Standard-specific firmwares */ | |
34 | static const char *firmware_6M = "tm_xc3028_DTV_6M.fw"; | |
ff7326d4 ML |
35 | static const char *firmware_7M = "tm_xc3028_DTV_7M.fw"; |
36 | static const char *firmware_8M = "tm_xc3028_DTV_8M.fw"; | |
2e4160ca MCC |
37 | static const char *firmware_B = "tm_xc3028_B_PAL.fw"; |
38 | static const char *firmware_DK = "tm_xc3028_DK_PAL_MTS.fw"; | |
39 | static const char *firmware_MN = "tm_xc3028_MN_BTSC.fw"; | |
6cb45879 MCC |
40 | |
41 | struct xc2028_data { | |
215b95ba MCC |
42 | struct list_head xc2028_list; |
43 | struct tuner_i2c_props i2c_props; | |
44 | int (*tuner_callback) (void *dev, | |
45 | int command, int arg); | |
46 | struct device *dev; | |
47 | void *video_dev; | |
48 | int count; | |
49 | u32 frequency; | |
50 | ||
701672eb ML |
51 | v4l2_std_id firm_type; /* video stds supported |
52 | by current firmware */ | |
53 | fe_bandwidth_t bandwidth; /* Firmware bandwidth: | |
54 | 6M, 7M or 8M */ | |
55 | int need_load_generic; /* The generic firmware | |
56 | were loaded? */ | |
57 | enum tuner_mode mode; | |
58 | struct i2c_client *i2c_client; | |
215b95ba MCC |
59 | |
60 | struct mutex lock; | |
6cb45879 MCC |
61 | }; |
62 | ||
215b95ba MCC |
63 | #define i2c_send(rc, priv, buf, size) \ |
64 | if (size != (rc = tuner_i2c_xfer_send(&priv->i2c_props, buf, size))) \ | |
65 | tuner_info("i2c output error: rc = %d (should be %d)\n", \ | |
6cb45879 MCC |
66 | rc, (int)size); |
67 | ||
215b95ba MCC |
68 | #define i2c_rcv(rc, priv, buf, size) \ |
69 | if (size != (rc = tuner_i2c_xfer_recv(&priv->i2c_props, buf, size))) \ | |
70 | tuner_info("i2c input error: rc = %d (should be %d)\n", \ | |
6cb45879 MCC |
71 | rc, (int)size); |
72 | ||
215b95ba | 73 | #define send_seq(priv, data...) \ |
6cb45879 | 74 | { int rc; \ |
215b95ba | 75 | static u8 _val[] = data; \ |
6cb45879 | 76 | if (sizeof(_val) != \ |
215b95ba MCC |
77 | (rc = tuner_i2c_xfer_send (&priv->i2c_props, \ |
78 | _val, sizeof(_val)))) { \ | |
79 | tuner_info("Error on line %d: %d\n",__LINE__,rc); \ | |
80 | return -EINVAL; \ | |
6cb45879 MCC |
81 | } \ |
82 | msleep (10); \ | |
83 | } | |
84 | ||
215b95ba | 85 | static int xc2028_get_reg(struct xc2028_data *priv, u16 reg) |
6cb45879 MCC |
86 | { |
87 | int rc; | |
88 | unsigned char buf[1]; | |
215b95ba MCC |
89 | |
90 | tuner_info("%s called\n", __FUNCTION__); | |
6cb45879 MCC |
91 | |
92 | buf[0]= reg; | |
93 | ||
215b95ba | 94 | i2c_send(rc, priv, buf, sizeof(buf)); |
6cb45879 MCC |
95 | if (rc<0) |
96 | return rc; | |
97 | ||
215b95ba | 98 | i2c_rcv(rc, priv, buf, 2); |
6cb45879 MCC |
99 | if (rc<0) |
100 | return rc; | |
101 | ||
102 | return (buf[1])|(buf[0]<<8); | |
103 | } | |
104 | ||
215b95ba | 105 | static int load_firmware (struct dvb_frontend *fe, const char *name) |
6cb45879 | 106 | { |
215b95ba | 107 | struct xc2028_data *priv = fe->tuner_priv; |
6cb45879 | 108 | const struct firmware *fw=NULL; |
6cb45879 MCC |
109 | unsigned char *p, *endp; |
110 | int len=0, rc=0; | |
111 | static const char firmware_ver[] = "tm6000/xcv v1"; | |
112 | ||
215b95ba MCC |
113 | tuner_info("%s called\n", __FUNCTION__); |
114 | ||
115 | tuner_info("Loading firmware %s\n", name); | |
116 | rc = request_firmware(&fw, name, priv->dev); | |
6cb45879 | 117 | if (rc < 0) { |
2e4160ca MCC |
118 | if (rc==-ENOENT) |
119 | tuner_info("Error: firmware %s not found.\n", name); | |
120 | else | |
121 | tuner_info("Error %d while requesting firmware %s \n", rc, name); | |
122 | ||
6cb45879 MCC |
123 | return rc; |
124 | } | |
125 | p=fw->data; | |
126 | endp=p+fw->size; | |
127 | ||
128 | if(fw->size==0) { | |
129 | tuner_info("Error: firmware size is zero!\n"); | |
130 | rc=-EINVAL; | |
131 | goto err; | |
132 | } | |
133 | if (fw->size<sizeof(firmware_ver)-1) { | |
134 | /* Firmware is incorrect */ | |
135 | tuner_info("Error: firmware size is less than header (%d<%d)!\n", | |
136 | (int)fw->size,(int)sizeof(firmware_ver)-1); | |
137 | rc=-EINVAL; | |
138 | goto err; | |
139 | } | |
140 | ||
141 | if (memcmp(p,firmware_ver,sizeof(firmware_ver)-1)) { | |
142 | /* Firmware is incorrect */ | |
143 | tuner_info("Error: firmware is not for tm5600/6000 + Xcv2028/3028!\n"); | |
144 | rc=-EINVAL; | |
145 | goto err; | |
146 | } | |
147 | p+=sizeof(firmware_ver)-1; | |
148 | ||
149 | while(p<endp) { | |
150 | if ((*p) & 0x80) { | |
151 | /* Special callback command received */ | |
215b95ba | 152 | rc = priv->tuner_callback(priv->video_dev, |
6cb45879 MCC |
153 | XC2028_TUNER_RESET, (*p)&0x7f); |
154 | if (rc<0) { | |
155 | tuner_info("Error at RESET code %d\n", | |
156 | (*p)&0x7f); | |
157 | goto err; | |
158 | } | |
159 | p++; | |
160 | continue; | |
161 | } | |
162 | len=*p; | |
163 | p++; | |
164 | if (p+len+1>endp) { | |
165 | /* Firmware is incorrect */ | |
166 | tuner_info("Error: firmware is truncated!\n"); | |
167 | rc=-EINVAL; | |
168 | goto err; | |
169 | } | |
170 | if (len<=0) { | |
171 | tuner_info("Error: firmware file is corrupted!\n"); | |
172 | rc=-EINVAL; | |
173 | goto err; | |
174 | } | |
175 | ||
215b95ba | 176 | i2c_send(rc, priv, p, len); |
6cb45879 MCC |
177 | if (rc<0) |
178 | goto err; | |
179 | p+=len; | |
180 | ||
181 | if (*p) | |
182 | msleep(*p); | |
183 | p++; | |
184 | } | |
185 | ||
186 | ||
187 | err: | |
188 | release_firmware(fw); | |
189 | ||
190 | return rc; | |
191 | } | |
192 | ||
215b95ba MCC |
193 | static int check_firmware(struct dvb_frontend *fe, enum tuner_mode new_mode, |
194 | v4l2_std_id std, | |
701672eb | 195 | fe_bandwidth_t bandwidth) |
6cb45879 | 196 | { |
215b95ba | 197 | struct xc2028_data *priv = fe->tuner_priv; |
6cb45879 | 198 | int rc, version; |
6cb45879 | 199 | const char *name; |
701672eb | 200 | int change_digital_bandwidth; |
6cb45879 | 201 | |
215b95ba | 202 | tuner_info("%s called\n", __FUNCTION__); |
6cb45879 | 203 | |
215b95ba MCC |
204 | tuner_info( "I am in mode %u and I should switch to mode %i\n", |
205 | priv->mode, new_mode); | |
701672eb ML |
206 | |
207 | /* first of all, determine whether we have switched the mode */ | |
215b95ba MCC |
208 | if(new_mode != priv->mode) { |
209 | priv->mode = new_mode; | |
210 | priv->need_load_generic = 1; | |
701672eb ML |
211 | } |
212 | ||
215b95ba MCC |
213 | change_digital_bandwidth = (priv->mode == T_DIGITAL_TV |
214 | && bandwidth != priv->bandwidth) ? 1 : 0; | |
215 | tuner_info("old bandwidth %u, new bandwidth %u\n", priv->bandwidth, | |
701672eb ML |
216 | bandwidth); |
217 | ||
215b95ba MCC |
218 | if (priv->need_load_generic) { |
219 | if (priv->bandwidth==8) | |
701672eb | 220 | name = firmware_8MHZ_INIT0; |
2e4160ca MCC |
221 | else |
222 | name = firmware_INIT0; | |
223 | ||
6cb45879 | 224 | /* Reset is needed before loading firmware */ |
215b95ba MCC |
225 | rc = priv->tuner_callback(priv->video_dev, |
226 | XC2028_TUNER_RESET, 0); | |
6cb45879 MCC |
227 | if (rc<0) |
228 | return rc; | |
229 | ||
215b95ba | 230 | rc = load_firmware(fe,name); |
6cb45879 MCC |
231 | if (rc<0) |
232 | return rc; | |
233 | ||
215b95ba MCC |
234 | priv->need_load_generic=0; |
235 | priv->firm_type=0; | |
236 | if(priv->mode == T_DIGITAL_TV) { | |
701672eb ML |
237 | change_digital_bandwidth=1; |
238 | } | |
239 | } | |
240 | ||
215b95ba | 241 | tuner_info("I should change bandwidth %u\n", |
701672eb ML |
242 | change_digital_bandwidth); |
243 | ||
215b95ba | 244 | /* FIXME: t->std makes no sense here */ |
701672eb ML |
245 | if (change_digital_bandwidth) { |
246 | switch(bandwidth) { | |
247 | case BANDWIDTH_8_MHZ: | |
215b95ba | 248 | std = V4L2_STD_DTV_8MHZ; |
701672eb ML |
249 | break; |
250 | ||
251 | case BANDWIDTH_7_MHZ: | |
215b95ba | 252 | std = V4L2_STD_DTV_7MHZ; |
701672eb ML |
253 | break; |
254 | ||
255 | case BANDWIDTH_6_MHZ: | |
215b95ba | 256 | std = V4L2_STD_DTV_6MHZ; |
701672eb ML |
257 | break; |
258 | ||
259 | default: | |
260 | tuner_info("error: bandwidth not supported.\n"); | |
261 | }; | |
215b95ba | 262 | priv->bandwidth = bandwidth; |
6cb45879 MCC |
263 | } |
264 | ||
215b95ba | 265 | if (priv->firm_type & std) { |
2e4160ca | 266 | tuner_info("xc3028: no need to load a std-specific firmware.\n"); |
6cb45879 | 267 | return 0; |
2e4160ca | 268 | } |
6cb45879 | 269 | |
215b95ba | 270 | rc = load_firmware(fe,firmware_INIT1); |
c2622e5f | 271 | |
215b95ba | 272 | if (std & V4L2_STD_MN) |
6cb45879 | 273 | name=firmware_MN; |
215b95ba | 274 | else if (std & V4L2_STD_DTV_6MHZ) |
701672eb | 275 | name=firmware_6M; |
215b95ba | 276 | else if (std & V4L2_STD_DTV_7MHZ) |
701672eb | 277 | name=firmware_7M; |
215b95ba | 278 | else if (std & V4L2_STD_DTV_8MHZ) |
701672eb | 279 | name=firmware_8M; |
215b95ba | 280 | else if (std & V4L2_STD_PAL_B) |
701672eb | 281 | name=firmware_B; |
6cb45879 MCC |
282 | else |
283 | name=firmware_DK; | |
284 | ||
215b95ba MCC |
285 | tuner_info("loading firmware named %s.\n", name); |
286 | rc = load_firmware(fe, name); | |
6cb45879 MCC |
287 | if (rc<0) |
288 | return rc; | |
289 | ||
215b95ba | 290 | version = xc2028_get_reg(priv, 0x4); |
6cb45879 MCC |
291 | tuner_info("Firmware version is %d.%d\n", |
292 | (version>>4)&0x0f,(version)&0x0f); | |
293 | ||
215b95ba | 294 | priv->firm_type=std; |
6cb45879 MCC |
295 | |
296 | return 0; | |
297 | } | |
298 | ||
215b95ba | 299 | static int xc2028_signal(struct dvb_frontend *fe, u16 *strength) |
6cb45879 | 300 | { |
215b95ba | 301 | struct xc2028_data *priv = fe->tuner_priv; |
3b20532c MCC |
302 | int frq_lock, signal=0; |
303 | ||
215b95ba | 304 | tuner_info("%s called\n", __FUNCTION__); |
6cb45879 | 305 | |
215b95ba | 306 | mutex_lock(&priv->lock); |
6cb45879 | 307 | |
215b95ba MCC |
308 | *strength = 0; |
309 | ||
310 | frq_lock = xc2028_get_reg(priv, 0x2); | |
3b20532c MCC |
311 | if (frq_lock<=0) |
312 | goto ret; | |
6cb45879 MCC |
313 | |
314 | /* Frequency is locked. Return signal quality */ | |
315 | ||
215b95ba | 316 | signal = xc2028_get_reg(priv, 0x40); |
6cb45879 | 317 | |
3b20532c MCC |
318 | if(signal<=0) { |
319 | signal=frq_lock; | |
320 | } | |
321 | ||
322 | ret: | |
215b95ba MCC |
323 | mutex_unlock(&priv->lock); |
324 | ||
325 | *strength = signal; | |
6cb45879 | 326 | |
215b95ba | 327 | return 0; |
6cb45879 MCC |
328 | } |
329 | ||
330 | #define DIV 15625 | |
331 | ||
215b95ba MCC |
332 | static int generic_set_tv_freq(struct dvb_frontend *fe, u32 freq /* in Hz */, |
333 | enum tuner_mode new_mode, | |
334 | v4l2_std_id std, | |
335 | fe_bandwidth_t bandwidth) | |
6cb45879 | 336 | { |
215b95ba MCC |
337 | struct xc2028_data *priv = fe->tuner_priv; |
338 | int rc=-EINVAL; | |
6cb45879 | 339 | unsigned char buf[5]; |
701672eb | 340 | u32 div, offset = 0; |
6cb45879 | 341 | |
215b95ba MCC |
342 | tuner_info("%s called\n", __FUNCTION__); |
343 | ||
d4e76681 MCC |
344 | /* HACK: It seems that specific firmware need to be reloaded |
345 | when freq is changed */ | |
701672eb | 346 | |
215b95ba | 347 | mutex_lock(&priv->lock); |
3b20532c | 348 | |
215b95ba | 349 | priv->firm_type=0; |
701672eb | 350 | |
6cb45879 | 351 | /* Reset GPIO 1 */ |
215b95ba MCC |
352 | rc = priv->tuner_callback(priv->video_dev, XC2028_TUNER_RESET, 0); |
353 | if (rc<0) | |
354 | goto ret; | |
355 | ||
6cb45879 | 356 | msleep(10); |
215b95ba | 357 | tuner_info("should set frequency %d kHz)\n", freq / 1000); |
6cb45879 | 358 | |
215b95ba | 359 | if (check_firmware(fe, new_mode, std, bandwidth)<0) |
3b20532c | 360 | goto ret; |
2e4160ca | 361 | |
d4e76681 MCC |
362 | if(new_mode == T_DIGITAL_TV) |
363 | offset = 2750000; | |
2e4160ca | 364 | |
d4e76681 | 365 | div = (freq - offset + DIV/2)/DIV; |
2e4160ca | 366 | |
6cb45879 | 367 | /* CMD= Set frequency */ |
215b95ba MCC |
368 | send_seq(priv, {0x00, 0x02, 0x00, 0x00}); |
369 | rc = priv->tuner_callback(priv->video_dev, XC2028_RESET_CLK, 1); | |
370 | if (rc<0) | |
371 | goto ret; | |
6cb45879 MCC |
372 | |
373 | msleep(10); | |
701672eb | 374 | |
6cb45879 MCC |
375 | buf[0]= 0xff & (div>>24); |
376 | buf[1]= 0xff & (div>>16); | |
377 | buf[2]= 0xff & (div>>8); | |
378 | buf[3]= 0xff & (div); | |
379 | buf[4]= 0; | |
380 | ||
215b95ba | 381 | i2c_send(rc, priv, buf, sizeof(buf)); |
6cb45879 | 382 | if (rc<0) |
3b20532c | 383 | goto ret; |
6cb45879 MCC |
384 | msleep(100); |
385 | ||
215b95ba MCC |
386 | priv->frequency=freq; |
387 | ||
6cb45879 MCC |
388 | printk("divider= %02x %02x %02x %02x (freq=%d.%02d)\n", |
389 | buf[1],buf[2],buf[3],buf[4], | |
215b95ba | 390 | freq / 1000000, (freq%1000000)/10000); |
3b20532c | 391 | |
215b95ba | 392 | rc=0; |
6cb45879 | 393 | |
215b95ba MCC |
394 | ret: |
395 | mutex_unlock(&priv->lock); | |
6cb45879 | 396 | |
215b95ba | 397 | return rc; |
701672eb ML |
398 | } |
399 | ||
215b95ba MCC |
400 | static int xc2028_set_tv_freq(struct dvb_frontend *fe, |
401 | struct analog_parameters *p) | |
6cb45879 | 402 | { |
215b95ba | 403 | struct xc2028_data *priv = fe->tuner_priv; |
6cb45879 | 404 | |
215b95ba | 405 | tuner_info("%s called\n", __FUNCTION__); |
6cb45879 | 406 | |
215b95ba MCC |
407 | return generic_set_tv_freq(fe, 62500l*p->frequency, T_ANALOG_TV, |
408 | p->std, | |
409 | BANDWIDTH_8_MHZ /* NOT USED */); | |
410 | } | |
6cb45879 | 411 | |
215b95ba MCC |
412 | static int xc2028_set_params(struct dvb_frontend *fe, |
413 | struct dvb_frontend_parameters *p) | |
6cb45879 | 414 | { |
215b95ba | 415 | struct xc2028_data *priv = fe->tuner_priv; |
6cb45879 | 416 | |
215b95ba | 417 | tuner_info("%s called\n", __FUNCTION__); |
701672eb | 418 | |
215b95ba MCC |
419 | /* FIXME: Only OFDM implemented */ |
420 | if (fe->ops.info.type != FE_OFDM) { | |
421 | tuner_info ("DTV type not implemented.\n"); | |
422 | return -EINVAL; | |
6cb45879 | 423 | } |
6cb45879 | 424 | |
215b95ba MCC |
425 | return generic_set_tv_freq(fe, p->frequency, T_DIGITAL_TV, |
426 | 0, /* NOT USED */ | |
427 | p->u.ofdm.bandwidth); | |
6cb45879 | 428 | |
6cb45879 | 429 | } |
701672eb | 430 | |
215b95ba | 431 | static int xc2028_dvb_release(struct dvb_frontend *fe) |
701672eb | 432 | { |
215b95ba MCC |
433 | struct xc2028_data *priv = fe->tuner_priv; |
434 | ||
435 | tuner_info("%s called\n", __FUNCTION__); | |
701672eb | 436 | |
215b95ba | 437 | priv->count--; |
701672eb | 438 | |
215b95ba MCC |
439 | if (!priv->count) |
440 | kfree (priv); | |
701672eb ML |
441 | |
442 | return 0; | |
443 | } | |
444 | ||
215b95ba | 445 | static int xc2028_get_frequency(struct dvb_frontend *fe, u32 *frequency) |
701672eb | 446 | { |
215b95ba | 447 | struct xc2028_data *priv = fe->tuner_priv; |
701672eb | 448 | |
215b95ba | 449 | tuner_info("%s called\n", __FUNCTION__); |
701672eb | 450 | |
215b95ba | 451 | *frequency = priv->frequency; |
701672eb ML |
452 | |
453 | return 0; | |
454 | } | |
455 | ||
215b95ba | 456 | static const struct dvb_tuner_ops xc2028_dvb_tuner_ops = { |
701672eb ML |
457 | .info = { |
458 | .name = "Xceive XC3028", | |
459 | .frequency_min = 42000000, | |
460 | .frequency_max = 864000000, | |
461 | .frequency_step = 50000, | |
462 | }, | |
463 | ||
215b95ba MCC |
464 | .set_analog_params = xc2028_set_tv_freq, |
465 | .release = xc2028_dvb_release, | |
466 | .get_frequency = xc2028_get_frequency, | |
467 | .get_rf_strength = xc2028_signal, | |
468 | .set_params = xc2028_set_params, | |
701672eb ML |
469 | |
470 | // int (*sleep)(struct dvb_frontend *fe); | |
701672eb | 471 | // int (*get_bandwidth)(struct dvb_frontend *fe, u32 *bandwidth); |
701672eb ML |
472 | // int (*get_status)(struct dvb_frontend *fe, u32 *status); |
473 | }; | |
474 | ||
215b95ba MCC |
475 | int xc2028_attach(struct dvb_frontend *fe, struct i2c_adapter* i2c_adap, |
476 | u8 i2c_addr, struct device *dev, void *video_dev, | |
477 | int (*tuner_callback) (void *dev, int command,int arg)) | |
701672eb | 478 | { |
215b95ba | 479 | struct xc2028_data *priv; |
701672eb | 480 | |
215b95ba | 481 | printk( KERN_INFO PREFIX "Xcv2028/3028 init called!\n"); |
701672eb | 482 | |
215b95ba MCC |
483 | if (NULL == dev) |
484 | return -ENODEV; | |
485 | ||
486 | if (NULL == video_dev) | |
487 | return -ENODEV; | |
488 | ||
489 | if (!tuner_callback) { | |
490 | printk( KERN_ERR PREFIX "No tuner callback!\n"); | |
491 | return -EINVAL; | |
492 | } | |
493 | ||
494 | list_for_each_entry(priv, &xc2028_list, xc2028_list) { | |
495 | if (priv->dev == dev) { | |
496 | dev = NULL; | |
497 | priv->count++; | |
498 | } | |
499 | } | |
500 | ||
501 | if (dev) { | |
502 | priv = kzalloc(sizeof(*priv), GFP_KERNEL); | |
503 | if (priv == NULL) | |
504 | return -ENOMEM; | |
701672eb | 505 | |
215b95ba | 506 | fe->tuner_priv = priv; |
3b20532c | 507 | |
215b95ba MCC |
508 | priv->bandwidth=BANDWIDTH_6_MHZ; |
509 | priv->need_load_generic=1; | |
510 | priv->mode = T_UNINITIALIZED; | |
511 | priv->i2c_props.addr = i2c_addr; | |
512 | priv->i2c_props.adap = i2c_adap; | |
513 | priv->dev = dev; | |
514 | priv->video_dev = video_dev; | |
515 | priv->tuner_callback = tuner_callback; | |
516 | ||
517 | mutex_init(&priv->lock); | |
518 | ||
519 | list_add_tail(&priv->xc2028_list,&xc2028_list); | |
520 | } | |
521 | ||
522 | memcpy(&fe->ops.tuner_ops, &xc2028_dvb_tuner_ops, | |
523 | sizeof(xc2028_dvb_tuner_ops)); | |
524 | ||
525 | tuner_info("type set to %s\n", "XCeive xc2028/xc3028 tuner"); | |
526 | ||
527 | return 0; | |
528 | } | |
3b20532c | 529 | |
701672eb ML |
530 | EXPORT_SYMBOL(xc2028_attach); |
531 | ||
215b95ba MCC |
532 | MODULE_DESCRIPTION("Xceive xc2028/xc3028 tuner driver"); |
533 | MODULE_AUTHOR("Mauro Carvalho Chehab <mchehab@infradead.org>"); | |
534 | MODULE_LICENSE("GPL"); |