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Avoid beyond bounds copy while caching ACL
[zen-stable.git] / drivers / media / dvb / dvb-usb / az6027.c
blob5e45ae6054275139da2299adf7925440ed14eb73
1 /* DVB USB compliant Linux driver for the AZUREWAVE DVB-S/S2 USB2.0 (AZ6027)
2 * receiver.
3 *
4 * Copyright (C) 2009 Adams.Xu <adams.xu@azwave.com.cn>
5 *
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License as published by the Free
8 * Software Foundation, version 2.
9 *
10 * see Documentation/dvb/README.dvb-usb for more information
11 */
12 #include "az6027.h"
13
14 #include "stb0899_drv.h"
15 #include "stb0899_reg.h"
16 #include "stb0899_cfg.h"
17
18 #include "stb6100.h"
19 #include "stb6100_cfg.h"
20 #include "dvb_ca_en50221.h"
21
22 int dvb_usb_az6027_debug;
23 module_param_named(debug, dvb_usb_az6027_debug, int, 0644);
24 MODULE_PARM_DESC(debug, "set debugging level (1=info,xfer=2,rc=4 (or-able))." DVB_USB_DEBUG_STATUS);
25
26 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
27
28 struct az6027_device_state {
29 struct dvb_ca_en50221 ca;
30 struct mutex ca_mutex;
31 u8 power_state;
32 };
33
34 static const struct stb0899_s1_reg az6027_stb0899_s1_init_1[] = {
35
36 /* 0x0000000b, SYSREG */
37 { STB0899_DEV_ID , 0x30 },
38 { STB0899_DISCNTRL1 , 0x32 },
39 { STB0899_DISCNTRL2 , 0x80 },
40 { STB0899_DISRX_ST0 , 0x04 },
41 { STB0899_DISRX_ST1 , 0x00 },
42 { STB0899_DISPARITY , 0x00 },
43 { STB0899_DISSTATUS , 0x20 },
44 { STB0899_DISF22 , 0x99 },
45 { STB0899_DISF22RX , 0xa8 },
46 /* SYSREG ? */
47 { STB0899_ACRPRESC , 0x11 },
48 { STB0899_ACRDIV1 , 0x0a },
49 { STB0899_ACRDIV2 , 0x05 },
50 { STB0899_DACR1 , 0x00 },
51 { STB0899_DACR2 , 0x00 },
52 { STB0899_OUTCFG , 0x00 },
53 { STB0899_MODECFG , 0x00 },
54 { STB0899_IRQSTATUS_3 , 0xfe },
55 { STB0899_IRQSTATUS_2 , 0x03 },
56 { STB0899_IRQSTATUS_1 , 0x7c },
57 { STB0899_IRQSTATUS_0 , 0xf4 },
58 { STB0899_IRQMSK_3 , 0xf3 },
59 { STB0899_IRQMSK_2 , 0xfc },
60 { STB0899_IRQMSK_1 , 0xff },
61 { STB0899_IRQMSK_0 , 0xff },
62 { STB0899_IRQCFG , 0x00 },
63 { STB0899_I2CCFG , 0x88 },
64 { STB0899_I2CRPT , 0x58 },
65 { STB0899_IOPVALUE5 , 0x00 },
66 { STB0899_IOPVALUE4 , 0x33 },
67 { STB0899_IOPVALUE3 , 0x6d },
68 { STB0899_IOPVALUE2 , 0x90 },
69 { STB0899_IOPVALUE1 , 0x60 },
70 { STB0899_IOPVALUE0 , 0x00 },
71 { STB0899_GPIO00CFG , 0x82 },
72 { STB0899_GPIO01CFG , 0x82 },
73 { STB0899_GPIO02CFG , 0x82 },
74 { STB0899_GPIO03CFG , 0x82 },
75 { STB0899_GPIO04CFG , 0x82 },
76 { STB0899_GPIO05CFG , 0x82 },
77 { STB0899_GPIO06CFG , 0x82 },
78 { STB0899_GPIO07CFG , 0x82 },
79 { STB0899_GPIO08CFG , 0x82 },
80 { STB0899_GPIO09CFG , 0x82 },
81 { STB0899_GPIO10CFG , 0x82 },
82 { STB0899_GPIO11CFG , 0x82 },
83 { STB0899_GPIO12CFG , 0x82 },
84 { STB0899_GPIO13CFG , 0x82 },
85 { STB0899_GPIO14CFG , 0x82 },
86 { STB0899_GPIO15CFG , 0x82 },
87 { STB0899_GPIO16CFG , 0x82 },
88 { STB0899_GPIO17CFG , 0x82 },
89 { STB0899_GPIO18CFG , 0x82 },
90 { STB0899_GPIO19CFG , 0x82 },
91 { STB0899_GPIO20CFG , 0x82 },
92 { STB0899_SDATCFG , 0xb8 },
93 { STB0899_SCLTCFG , 0xba },
94 { STB0899_AGCRFCFG , 0x1c }, /* 0x11 */
95 { STB0899_GPIO22 , 0x82 }, /* AGCBB2CFG */
96 { STB0899_GPIO21 , 0x91 }, /* AGCBB1CFG */
97 { STB0899_DIRCLKCFG , 0x82 },
98 { STB0899_CLKOUT27CFG , 0x7e },
99 { STB0899_STDBYCFG , 0x82 },
100 { STB0899_CS0CFG , 0x82 },
101 { STB0899_CS1CFG , 0x82 },
102 { STB0899_DISEQCOCFG , 0x20 },
103 { STB0899_GPIO32CFG , 0x82 },
104 { STB0899_GPIO33CFG , 0x82 },
105 { STB0899_GPIO34CFG , 0x82 },
106 { STB0899_GPIO35CFG , 0x82 },
107 { STB0899_GPIO36CFG , 0x82 },
108 { STB0899_GPIO37CFG , 0x82 },
109 { STB0899_GPIO38CFG , 0x82 },
110 { STB0899_GPIO39CFG , 0x82 },
111 { STB0899_NCOARSE , 0x17 }, /* 0x15 = 27 Mhz Clock, F/3 = 198MHz, F/6 = 99MHz */
112 { STB0899_SYNTCTRL , 0x02 }, /* 0x00 = CLK from CLKI, 0x02 = CLK from XTALI */
113 { STB0899_FILTCTRL , 0x00 },
114 { STB0899_SYSCTRL , 0x01 },
115 { STB0899_STOPCLK1 , 0x20 },
116 { STB0899_STOPCLK2 , 0x00 },
117 { STB0899_INTBUFSTATUS , 0x00 },
118 { STB0899_INTBUFCTRL , 0x0a },
119 { 0xffff , 0xff },
120 };
121
122 static const struct stb0899_s1_reg az6027_stb0899_s1_init_3[] = {
123 { STB0899_DEMOD , 0x00 },
124 { STB0899_RCOMPC , 0xc9 },
125 { STB0899_AGC1CN , 0x01 },
126 { STB0899_AGC1REF , 0x10 },
127 { STB0899_RTC , 0x23 },
128 { STB0899_TMGCFG , 0x4e },
129 { STB0899_AGC2REF , 0x34 },
130 { STB0899_TLSR , 0x84 },
131 { STB0899_CFD , 0xf7 },
132 { STB0899_ACLC , 0x87 },
133 { STB0899_BCLC , 0x94 },
134 { STB0899_EQON , 0x41 },
135 { STB0899_LDT , 0xf1 },
136 { STB0899_LDT2 , 0xe3 },
137 { STB0899_EQUALREF , 0xb4 },
138 { STB0899_TMGRAMP , 0x10 },
139 { STB0899_TMGTHD , 0x30 },
140 { STB0899_IDCCOMP , 0xfd },
141 { STB0899_QDCCOMP , 0xff },
142 { STB0899_POWERI , 0x0c },
143 { STB0899_POWERQ , 0x0f },
144 { STB0899_RCOMP , 0x6c },
145 { STB0899_AGCIQIN , 0x80 },
146 { STB0899_AGC2I1 , 0x06 },
147 { STB0899_AGC2I2 , 0x00 },
148 { STB0899_TLIR , 0x30 },
149 { STB0899_RTF , 0x7f },
150 { STB0899_DSTATUS , 0x00 },
151 { STB0899_LDI , 0xbc },
152 { STB0899_CFRM , 0xea },
153 { STB0899_CFRL , 0x31 },
154 { STB0899_NIRM , 0x2b },
155 { STB0899_NIRL , 0x80 },
156 { STB0899_ISYMB , 0x1d },
157 { STB0899_QSYMB , 0xa6 },
158 { STB0899_SFRH , 0x2f },
159 { STB0899_SFRM , 0x68 },
160 { STB0899_SFRL , 0x40 },
161 { STB0899_SFRUPH , 0x2f },
162 { STB0899_SFRUPM , 0x68 },
163 { STB0899_SFRUPL , 0x40 },
164 { STB0899_EQUAI1 , 0x02 },
165 { STB0899_EQUAQ1 , 0xff },
166 { STB0899_EQUAI2 , 0x04 },
167 { STB0899_EQUAQ2 , 0x05 },
168 { STB0899_EQUAI3 , 0x02 },
169 { STB0899_EQUAQ3 , 0xfd },
170 { STB0899_EQUAI4 , 0x03 },
171 { STB0899_EQUAQ4 , 0x07 },
172 { STB0899_EQUAI5 , 0x08 },
173 { STB0899_EQUAQ5 , 0xf5 },
174 { STB0899_DSTATUS2 , 0x00 },
175 { STB0899_VSTATUS , 0x00 },
176 { STB0899_VERROR , 0x86 },
177 { STB0899_IQSWAP , 0x2a },
178 { STB0899_ECNT1M , 0x00 },
179 { STB0899_ECNT1L , 0x00 },
180 { STB0899_ECNT2M , 0x00 },
181 { STB0899_ECNT2L , 0x00 },
182 { STB0899_ECNT3M , 0x0a },
183 { STB0899_ECNT3L , 0xad },
184 { STB0899_FECAUTO1 , 0x06 },
185 { STB0899_FECM , 0x01 },
186 { STB0899_VTH12 , 0xb0 },
187 { STB0899_VTH23 , 0x7a },
188 { STB0899_VTH34 , 0x58 },
189 { STB0899_VTH56 , 0x38 },
190 { STB0899_VTH67 , 0x34 },
191 { STB0899_VTH78 , 0x24 },
192 { STB0899_PRVIT , 0xff },
193 { STB0899_VITSYNC , 0x19 },
194 { STB0899_RSULC , 0xb1 }, /* DVB = 0xb1, DSS = 0xa1 */
195 { STB0899_TSULC , 0x42 },
196 { STB0899_RSLLC , 0x41 },
197 { STB0899_TSLPL , 0x12 },
198 { STB0899_TSCFGH , 0x0c },
199 { STB0899_TSCFGM , 0x00 },
200 { STB0899_TSCFGL , 0x00 },
201 { STB0899_TSOUT , 0x69 }, /* 0x0d for CAM */
202 { STB0899_RSSYNCDEL , 0x00 },
203 { STB0899_TSINHDELH , 0x02 },
204 { STB0899_TSINHDELM , 0x00 },
205 { STB0899_TSINHDELL , 0x00 },
206 { STB0899_TSLLSTKM , 0x1b },
207 { STB0899_TSLLSTKL , 0xb3 },
208 { STB0899_TSULSTKM , 0x00 },
209 { STB0899_TSULSTKL , 0x00 },
210 { STB0899_PCKLENUL , 0xbc },
211 { STB0899_PCKLENLL , 0xcc },
212 { STB0899_RSPCKLEN , 0xbd },
213 { STB0899_TSSTATUS , 0x90 },
214 { STB0899_ERRCTRL1 , 0xb6 },
215 { STB0899_ERRCTRL2 , 0x95 },
216 { STB0899_ERRCTRL3 , 0x8d },
217 { STB0899_DMONMSK1 , 0x27 },
218 { STB0899_DMONMSK0 , 0x03 },
219 { STB0899_DEMAPVIT , 0x5c },
220 { STB0899_PLPARM , 0x19 },
221 { STB0899_PDELCTRL , 0x48 },
222 { STB0899_PDELCTRL2 , 0x00 },
223 { STB0899_BBHCTRL1 , 0x00 },
224 { STB0899_BBHCTRL2 , 0x00 },
225 { STB0899_HYSTTHRESH , 0x77 },
226 { STB0899_MATCSTM , 0x00 },
227 { STB0899_MATCSTL , 0x00 },
228 { STB0899_UPLCSTM , 0x00 },
229 { STB0899_UPLCSTL , 0x00 },
230 { STB0899_DFLCSTM , 0x00 },
231 { STB0899_DFLCSTL , 0x00 },
232 { STB0899_SYNCCST , 0x00 },
233 { STB0899_SYNCDCSTM , 0x00 },
234 { STB0899_SYNCDCSTL , 0x00 },
235 { STB0899_ISI_ENTRY , 0x00 },
236 { STB0899_ISI_BIT_EN , 0x00 },
237 { STB0899_MATSTRM , 0xf0 },
238 { STB0899_MATSTRL , 0x02 },
239 { STB0899_UPLSTRM , 0x45 },
240 { STB0899_UPLSTRL , 0x60 },
241 { STB0899_DFLSTRM , 0xe3 },
242 { STB0899_DFLSTRL , 0x00 },
243 { STB0899_SYNCSTR , 0x47 },
244 { STB0899_SYNCDSTRM , 0x05 },
245 { STB0899_SYNCDSTRL , 0x18 },
246 { STB0899_CFGPDELSTATUS1 , 0x19 },
247 { STB0899_CFGPDELSTATUS2 , 0x2b },
248 { STB0899_BBFERRORM , 0x00 },
249 { STB0899_BBFERRORL , 0x01 },
250 { STB0899_UPKTERRORM , 0x00 },
251 { STB0899_UPKTERRORL , 0x00 },
252 { 0xffff , 0xff },
253 };
254
255
256
257 struct stb0899_config az6027_stb0899_config = {
258 .init_dev = az6027_stb0899_s1_init_1,
259 .init_s2_demod = stb0899_s2_init_2,
260 .init_s1_demod = az6027_stb0899_s1_init_3,
261 .init_s2_fec = stb0899_s2_init_4,
262 .init_tst = stb0899_s1_init_5,
263
264 .demod_address = 0xd0, /* 0x68, 0xd0 >> 1 */
265
266 .xtal_freq = 27000000,
267 .inversion = IQ_SWAP_ON, /* 1 */
268
269 .lo_clk = 76500000,
270 .hi_clk = 99000000,
271
272 .esno_ave = STB0899_DVBS2_ESNO_AVE,
273 .esno_quant = STB0899_DVBS2_ESNO_QUANT,
274 .avframes_coarse = STB0899_DVBS2_AVFRAMES_COARSE,
275 .avframes_fine = STB0899_DVBS2_AVFRAMES_FINE,
276 .miss_threshold = STB0899_DVBS2_MISS_THRESHOLD,
277 .uwp_threshold_acq = STB0899_DVBS2_UWP_THRESHOLD_ACQ,
278 .uwp_threshold_track = STB0899_DVBS2_UWP_THRESHOLD_TRACK,
279 .uwp_threshold_sof = STB0899_DVBS2_UWP_THRESHOLD_SOF,
280 .sof_search_timeout = STB0899_DVBS2_SOF_SEARCH_TIMEOUT,
281
282 .btr_nco_bits = STB0899_DVBS2_BTR_NCO_BITS,
283 .btr_gain_shift_offset = STB0899_DVBS2_BTR_GAIN_SHIFT_OFFSET,
284 .crl_nco_bits = STB0899_DVBS2_CRL_NCO_BITS,
285 .ldpc_max_iter = STB0899_DVBS2_LDPC_MAX_ITER,
286
287 .tuner_get_frequency = stb6100_get_frequency,
288 .tuner_set_frequency = stb6100_set_frequency,
289 .tuner_set_bandwidth = stb6100_set_bandwidth,
290 .tuner_get_bandwidth = stb6100_get_bandwidth,
291 .tuner_set_rfsiggain = NULL,
292 };
293
294 struct stb6100_config az6027_stb6100_config = {
295 .tuner_address = 0xc0,
296 .refclock = 27000000,
297 };
298
299
300 /* check for mutex FIXME */
301 int az6027_usb_in_op(struct dvb_usb_device *d, u8 req, u16 value, u16 index, u8 *b, int blen)
302 {
303 int ret = -1;
304 if (mutex_lock_interruptible(&d->usb_mutex))
305 return -EAGAIN;
306
307 ret = usb_control_msg(d->udev,
308 usb_rcvctrlpipe(d->udev, 0),
309 req,
310 USB_TYPE_VENDOR | USB_DIR_IN,
311 value,
312 index,
313 b,
314 blen,
315 2000);
316
317 if (ret < 0) {
318 warn("usb in operation failed. (%d)", ret);
319 ret = -EIO;
320 } else
321 ret = 0;
322
323 deb_xfer("in: req. %02x, val: %04x, ind: %04x, buffer: ", req, value, index);
324 debug_dump(b, blen, deb_xfer);
325
326 mutex_unlock(&d->usb_mutex);
327 return ret;
328 }
329
330 static int az6027_usb_out_op(struct dvb_usb_device *d,
331 u8 req,
332 u16 value,
333 u16 index,
334 u8 *b,
335 int blen)
336 {
337 int ret;
338
339 deb_xfer("out: req. %02x, val: %04x, ind: %04x, buffer: ", req, value, index);
340 debug_dump(b, blen, deb_xfer);
341
342 if (mutex_lock_interruptible(&d->usb_mutex))
343 return -EAGAIN;
344
345 ret = usb_control_msg(d->udev,
346 usb_sndctrlpipe(d->udev, 0),
347 req,
348 USB_TYPE_VENDOR | USB_DIR_OUT,
349 value,
350 index,
351 b,
352 blen,
353 2000);
354
355 if (ret != blen) {
356 warn("usb out operation failed. (%d)", ret);
357 mutex_unlock(&d->usb_mutex);
358 return -EIO;
359 } else{
360 mutex_unlock(&d->usb_mutex);
361 return 0;
362 }
363 }
364
365 static int az6027_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff)
366 {
367 int ret;
368 u8 req;
369 u16 value;
370 u16 index;
371 int blen;
372
373 deb_info("%s %d", __func__, onoff);
374
375 req = 0xBC;
376 value = onoff;
377 index = 0;
378 blen = 0;
379
380 ret = az6027_usb_out_op(adap->dev, req, value, index, NULL, blen);
381 if (ret != 0)
382 warn("usb out operation failed. (%d)", ret);
383
384 return ret;
385 }
386
387 /* keys for the enclosed remote control */
388 static struct rc_map_table rc_map_az6027_table[] = {
389 { 0x01, KEY_1 },
390 { 0x02, KEY_2 },
391 };
392
393 /* remote control stuff (does not work with my box) */
394 static int az6027_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
395 {
396 return 0;
397 }
398
399 /*
400 int az6027_power_ctrl(struct dvb_usb_device *d, int onoff)
401 {
402 u8 v = onoff;
403 return az6027_usb_out_op(d,0xBC,v,3,NULL,1);
404 }
405 */
406
407 static int az6027_ci_read_attribute_mem(struct dvb_ca_en50221 *ca,
408 int slot,
409 int address)
410 {
411 struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
412 struct az6027_device_state *state = (struct az6027_device_state *)d->priv;
413
414 int ret;
415 u8 req;
416 u16 value;
417 u16 index;
418 int blen;
419 u8 *b;
420
421 if (slot != 0)
422 return -EINVAL;
423
424 b = kmalloc(12, GFP_KERNEL);
425 if (!b)
426 return -ENOMEM;
427
428 mutex_lock(&state->ca_mutex);
429
430 req = 0xC1;
431 value = address;
432 index = 0;
433 blen = 1;
434
435 ret = az6027_usb_in_op(d, req, value, index, b, blen);
436 if (ret < 0) {
437 warn("usb in operation failed. (%d)", ret);
438 ret = -EINVAL;
439 } else {
440 ret = b[0];
441 }
442
443 mutex_unlock(&state->ca_mutex);
444 kfree(b);
445 return ret;
446 }
447
448 static int az6027_ci_write_attribute_mem(struct dvb_ca_en50221 *ca,
449 int slot,
450 int address,
451 u8 value)
452 {
453 struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
454 struct az6027_device_state *state = (struct az6027_device_state *)d->priv;
455
456 int ret;
457 u8 req;
458 u16 value1;
459 u16 index;
460 int blen;
461
462 deb_info("%s %d", __func__, slot);
463 if (slot != 0)
464 return -EINVAL;
465
466 mutex_lock(&state->ca_mutex);
467 req = 0xC2;
468 value1 = address;
469 index = value;
470 blen = 0;
471
472 ret = az6027_usb_out_op(d, req, value1, index, NULL, blen);
473 if (ret != 0)
474 warn("usb out operation failed. (%d)", ret);
475
476 mutex_unlock(&state->ca_mutex);
477 return ret;
478 }
479
480 static int az6027_ci_read_cam_control(struct dvb_ca_en50221 *ca,
481 int slot,
482 u8 address)
483 {
484 struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
485 struct az6027_device_state *state = (struct az6027_device_state *)d->priv;
486
487 int ret;
488 u8 req;
489 u16 value;
490 u16 index;
491 int blen;
492 u8 *b;
493
494 if (slot != 0)
495 return -EINVAL;
496
497 b = kmalloc(12, GFP_KERNEL);
498 if (!b)
499 return -ENOMEM;
500
501 mutex_lock(&state->ca_mutex);
502
503 req = 0xC3;
504 value = address;
505 index = 0;
506 blen = 2;
507
508 ret = az6027_usb_in_op(d, req, value, index, b, blen);
509 if (ret < 0) {
510 warn("usb in operation failed. (%d)", ret);
511 ret = -EINVAL;
512 } else {
513 if (b[0] == 0)
514 warn("Read CI IO error");
515
516 ret = b[1];
517 deb_info("read cam data = %x from 0x%x", b[1], value);
518 }
519
520 mutex_unlock(&state->ca_mutex);
521 kfree(b);
522 return ret;
523 }
524
525 static int az6027_ci_write_cam_control(struct dvb_ca_en50221 *ca,
526 int slot,
527 u8 address,
528 u8 value)
529 {
530 struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
531 struct az6027_device_state *state = (struct az6027_device_state *)d->priv;
532
533 int ret;
534 u8 req;
535 u16 value1;
536 u16 index;
537 int blen;
538
539 if (slot != 0)
540 return -EINVAL;
541
542 mutex_lock(&state->ca_mutex);
543 req = 0xC4;
544 value1 = address;
545 index = value;
546 blen = 0;
547
548 ret = az6027_usb_out_op(d, req, value1, index, NULL, blen);
549 if (ret != 0) {
550 warn("usb out operation failed. (%d)", ret);
551 goto failed;
552 }
553
554 failed:
555 mutex_unlock(&state->ca_mutex);
556 return ret;
557 }
558
559 static int CI_CamReady(struct dvb_ca_en50221 *ca, int slot)
560 {
561 struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
562
563 int ret;
564 u8 req;
565 u16 value;
566 u16 index;
567 int blen;
568 u8 *b;
569
570 b = kmalloc(12, GFP_KERNEL);
571 if (!b)
572 return -ENOMEM;
573
574 req = 0xC8;
575 value = 0;
576 index = 0;
577 blen = 1;
578
579 ret = az6027_usb_in_op(d, req, value, index, b, blen);
580 if (ret < 0) {
581 warn("usb in operation failed. (%d)", ret);
582 ret = -EIO;
583 } else{
584 ret = b[0];
585 }
586 kfree(b);
587 return ret;
588 }
589
590 static int az6027_ci_slot_reset(struct dvb_ca_en50221 *ca, int slot)
591 {
592 struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
593 struct az6027_device_state *state = (struct az6027_device_state *)d->priv;
594
595 int ret, i;
596 u8 req;
597 u16 value;
598 u16 index;
599 int blen;
600
601 mutex_lock(&state->ca_mutex);
602
603 req = 0xC6;
604 value = 1;
605 index = 0;
606 blen = 0;
607
608 ret = az6027_usb_out_op(d, req, value, index, NULL, blen);
609 if (ret != 0) {
610 warn("usb out operation failed. (%d)", ret);
611 goto failed;
612 }
613
614 msleep(500);
615 req = 0xC6;
616 value = 0;
617 index = 0;
618 blen = 0;
619
620 ret = az6027_usb_out_op(d, req, value, index, NULL, blen);
621 if (ret != 0) {
622 warn("usb out operation failed. (%d)", ret);
623 goto failed;
624 }
625
626 for (i = 0; i < 15; i++) {
627 msleep(100);
628
629 if (CI_CamReady(ca, slot)) {
630 deb_info("CAM Ready");
631 break;
632 }
633 }
634 msleep(5000);
635
636 failed:
637 mutex_unlock(&state->ca_mutex);
638 return ret;
639 }
640
641 static int az6027_ci_slot_shutdown(struct dvb_ca_en50221 *ca, int slot)
642 {
643 return 0;
644 }
645
646 static int az6027_ci_slot_ts_enable(struct dvb_ca_en50221 *ca, int slot)
647 {
648 struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
649 struct az6027_device_state *state = (struct az6027_device_state *)d->priv;
650
651 int ret;
652 u8 req;
653 u16 value;
654 u16 index;
655 int blen;
656
657 deb_info("%s", __func__);
658 mutex_lock(&state->ca_mutex);
659 req = 0xC7;
660 value = 1;
661 index = 0;
662 blen = 0;
663
664 ret = az6027_usb_out_op(d, req, value, index, NULL, blen);
665 if (ret != 0) {
666 warn("usb out operation failed. (%d)", ret);
667 goto failed;
668 }
669
670 failed:
671 mutex_unlock(&state->ca_mutex);
672 return ret;
673 }
674
675 static int az6027_ci_poll_slot_status(struct dvb_ca_en50221 *ca, int slot, int open)
676 {
677 struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
678 struct az6027_device_state *state = (struct az6027_device_state *)d->priv;
679 int ret;
680 u8 req;
681 u16 value;
682 u16 index;
683 int blen;
684 u8 *b;
685
686 b = kmalloc(12, GFP_KERNEL);
687 if (!b)
688 return -ENOMEM;
689 mutex_lock(&state->ca_mutex);
690
691 req = 0xC5;
692 value = 0;
693 index = 0;
694 blen = 1;
695
696 ret = az6027_usb_in_op(d, req, value, index, b, blen);
697 if (ret < 0) {
698 warn("usb in operation failed. (%d)", ret);
699 ret = -EIO;
700 } else
701 ret = 0;
702
703 if (!ret && b[0] == 1) {
704 ret = DVB_CA_EN50221_POLL_CAM_PRESENT |
705 DVB_CA_EN50221_POLL_CAM_READY;
706 }
707
708 mutex_unlock(&state->ca_mutex);
709 kfree(b);
710 return ret;
711 }
712
713
714 static void az6027_ci_uninit(struct dvb_usb_device *d)
715 {
716 struct az6027_device_state *state;
717
718 deb_info("%s", __func__);
719
720 if (NULL == d)
721 return;
722
723 state = (struct az6027_device_state *)d->priv;
724 if (NULL == state)
725 return;
726
727 if (NULL == state->ca.data)
728 return;
729
730 dvb_ca_en50221_release(&state->ca);
731
732 memset(&state->ca, 0, sizeof(state->ca));
733 }
734
735
736 static int az6027_ci_init(struct dvb_usb_adapter *a)
737 {
738 struct dvb_usb_device *d = a->dev;
739 struct az6027_device_state *state = (struct az6027_device_state *)d->priv;
740 int ret;
741
742 deb_info("%s", __func__);
743
744 mutex_init(&state->ca_mutex);
745
746 state->ca.owner = THIS_MODULE;
747 state->ca.read_attribute_mem = az6027_ci_read_attribute_mem;
748 state->ca.write_attribute_mem = az6027_ci_write_attribute_mem;
749 state->ca.read_cam_control = az6027_ci_read_cam_control;
750 state->ca.write_cam_control = az6027_ci_write_cam_control;
751 state->ca.slot_reset = az6027_ci_slot_reset;
752 state->ca.slot_shutdown = az6027_ci_slot_shutdown;
753 state->ca.slot_ts_enable = az6027_ci_slot_ts_enable;
754 state->ca.poll_slot_status = az6027_ci_poll_slot_status;
755 state->ca.data = d;
756
757 ret = dvb_ca_en50221_init(&a->dvb_adap,
758 &state->ca,
759 0, /* flags */
760 1);/* n_slots */
761 if (ret != 0) {
762 err("Cannot initialize CI: Error %d.", ret);
763 memset(&state->ca, 0, sizeof(state->ca));
764 return ret;
765 }
766
767 deb_info("CI initialized.");
768
769 return 0;
770 }
771
772 /*
773 static int az6027_read_mac_addr(struct dvb_usb_device *d, u8 mac[6])
774 {
775 az6027_usb_in_op(d, 0xb7, 6, 0, &mac[0], 6);
776 return 0;
777 }
778 */
779
780 static int az6027_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage)
781 {
782
783 u8 buf;
784 struct dvb_usb_adapter *adap = fe->dvb->priv;
785
786 struct i2c_msg i2c_msg = {
787 .addr = 0x99,
788 .flags = 0,
789 .buf = &buf,
790 .len = 1
791 };
792
793 /*
794 * 2 --18v
795 * 1 --13v
796 * 0 --off
797 */
798 switch (voltage) {
799 case SEC_VOLTAGE_13:
800 buf = 1;
801 i2c_transfer(&adap->dev->i2c_adap, &i2c_msg, 1);
802 break;
803
804 case SEC_VOLTAGE_18:
805 buf = 2;
806 i2c_transfer(&adap->dev->i2c_adap, &i2c_msg, 1);
807 break;
808
809 case SEC_VOLTAGE_OFF:
810 buf = 0;
811 i2c_transfer(&adap->dev->i2c_adap, &i2c_msg, 1);
812 break;
813
814 default:
815 return -EINVAL;
816 }
817 return 0;
818 }
819
820
821 static int az6027_frontend_poweron(struct dvb_usb_adapter *adap)
822 {
823 int ret;
824 u8 req;
825 u16 value;
826 u16 index;
827 int blen;
828
829 req = 0xBC;
830 value = 1; /* power on */
831 index = 3;
832 blen = 0;
833
834 ret = az6027_usb_out_op(adap->dev, req, value, index, NULL, blen);
835 if (ret != 0)
836 return -EIO;
837
838 return 0;
839 }
840 static int az6027_frontend_reset(struct dvb_usb_adapter *adap)
841 {
842 int ret;
843 u8 req;
844 u16 value;
845 u16 index;
846 int blen;
847
848 /* reset demodulator */
849 req = 0xC0;
850 value = 1; /* high */
851 index = 3;
852 blen = 0;
853
854 ret = az6027_usb_out_op(adap->dev, req, value, index, NULL, blen);
855 if (ret != 0)
856 return -EIO;
857
858 req = 0xC0;
859 value = 0; /* low */
860 index = 3;
861 blen = 0;
862 msleep_interruptible(200);
863
864 ret = az6027_usb_out_op(adap->dev, req, value, index, NULL, blen);
865 if (ret != 0)
866 return -EIO;
867
868 msleep_interruptible(200);
869
870 req = 0xC0;
871 value = 1; /*high */
872 index = 3;
873 blen = 0;
874
875 ret = az6027_usb_out_op(adap->dev, req, value, index, NULL, blen);
876 if (ret != 0)
877 return -EIO;
878
879 msleep_interruptible(200);
880 return 0;
881 }
882
883 static int az6027_frontend_tsbypass(struct dvb_usb_adapter *adap, int onoff)
884 {
885 int ret;
886 u8 req;
887 u16 value;
888 u16 index;
889 int blen;
890
891 /* TS passthrough */
892 req = 0xC7;
893 value = onoff;
894 index = 0;
895 blen = 0;
896
897 ret = az6027_usb_out_op(adap->dev, req, value, index, NULL, blen);
898 if (ret != 0)
899 return -EIO;
900
901 return 0;
902 }
903
904 static int az6027_frontend_attach(struct dvb_usb_adapter *adap)
905 {
906
907 az6027_frontend_poweron(adap);
908 az6027_frontend_reset(adap);
909
910 deb_info("adap = %p, dev = %p\n", adap, adap->dev);
911 adap->fe_adap[0].fe = stb0899_attach(&az6027_stb0899_config, &adap->dev->i2c_adap);
912
913 if (adap->fe_adap[0].fe) {
914 deb_info("found STB0899 DVB-S/DVB-S2 frontend @0x%02x", az6027_stb0899_config.demod_address);
915 if (stb6100_attach(adap->fe_adap[0].fe, &az6027_stb6100_config, &adap->dev->i2c_adap)) {
916 deb_info("found STB6100 DVB-S/DVB-S2 frontend @0x%02x", az6027_stb6100_config.tuner_address);
917 adap->fe_adap[0].fe->ops.set_voltage = az6027_set_voltage;
918 az6027_ci_init(adap);
919 } else {
920 adap->fe_adap[0].fe = NULL;
921 }
922 } else
923 warn("no front-end attached\n");
924
925 az6027_frontend_tsbypass(adap, 0);
926
927 return 0;
928 }
929
930 static struct dvb_usb_device_properties az6027_properties;
931
932 static void az6027_usb_disconnect(struct usb_interface *intf)
933 {
934 struct dvb_usb_device *d = usb_get_intfdata(intf);
935 az6027_ci_uninit(d);
936 dvb_usb_device_exit(intf);
937 }
938
939
940 static int az6027_usb_probe(struct usb_interface *intf,
941 const struct usb_device_id *id)
942 {
943 return dvb_usb_device_init(intf,
944 &az6027_properties,
945 THIS_MODULE,
946 NULL,
947 adapter_nr);
948 }
949
950 /* I2C */
951 static int az6027_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[], int num)
952 {
953 struct dvb_usb_device *d = i2c_get_adapdata(adap);
954 int i = 0, j = 0, len = 0;
955 u16 index;
956 u16 value;
957 int length;
958 u8 req;
959 u8 *data;
960
961 data = kmalloc(256, GFP_KERNEL);
962 if (!data)
963 return -ENOMEM;
964
965 if (mutex_lock_interruptible(&d->i2c_mutex) < 0) {
966 kfree(data);
967 return -EAGAIN;
968 }
969
970 if (num > 2)
971 warn("more than 2 i2c messages at a time is not handled yet. TODO.");
972
973 for (i = 0; i < num; i++) {
974
975 if (msg[i].addr == 0x99) {
976 req = 0xBE;
977 index = 0;
978 value = msg[i].buf[0] & 0x00ff;
979 length = 1;
980 az6027_usb_out_op(d, req, value, index, data, length);
981 }
982
983 if (msg[i].addr == 0xd0) {
984 /* write/read request */
985 if (i + 1 < num && (msg[i + 1].flags & I2C_M_RD)) {
986 req = 0xB9;
987 index = (((msg[i].buf[0] << 8) & 0xff00) | (msg[i].buf[1] & 0x00ff));
988 value = msg[i].addr + (msg[i].len << 8);
989 length = msg[i + 1].len + 6;
990 az6027_usb_in_op(d, req, value, index, data, length);
991 len = msg[i + 1].len;
992 for (j = 0; j < len; j++)
993 msg[i + 1].buf[j] = data[j + 5];
994
995 i++;
996 } else {
997
998 /* demod 16bit addr */
999 req = 0xBD;
1000 index = (((msg[i].buf[0] << 8) & 0xff00) | (msg[i].buf[1] & 0x00ff));
1001 value = msg[i].addr + (2 << 8);
1002 length = msg[i].len - 2;
1003 len = msg[i].len - 2;
1004 for (j = 0; j < len; j++)
1005 data[j] = msg[i].buf[j + 2];
1006 az6027_usb_out_op(d, req, value, index, data, length);
1007 }
1008 }
1009
1010 if (msg[i].addr == 0xc0) {
1011 if (msg[i].flags & I2C_M_RD) {
1012
1013 req = 0xB9;
1014 index = 0x0;
1015 value = msg[i].addr;
1016 length = msg[i].len + 6;
1017 az6027_usb_in_op(d, req, value, index, data, length);
1018 len = msg[i].len;
1019 for (j = 0; j < len; j++)
1020 msg[i].buf[j] = data[j + 5];
1021
1022 } else {
1023
1024 req = 0xBD;
1025 index = msg[i].buf[0] & 0x00FF;
1026 value = msg[i].addr + (1 << 8);
1027 length = msg[i].len - 1;
1028 len = msg[i].len - 1;
1029
1030 for (j = 0; j < len; j++)
1031 data[j] = msg[i].buf[j + 1];
1032
1033 az6027_usb_out_op(d, req, value, index, data, length);
1034 }
1035 }
1036 }
1037 mutex_unlock(&d->i2c_mutex);
1038 kfree(data);
1039
1040 return i;
1041 }
1042
1043
1044 static u32 az6027_i2c_func(struct i2c_adapter *adapter)
1045 {
1046 return I2C_FUNC_I2C;
1047 }
1048
1049 static struct i2c_algorithm az6027_i2c_algo = {
1050 .master_xfer = az6027_i2c_xfer,
1051 .functionality = az6027_i2c_func,
1052 };
1053
1054 int az6027_identify_state(struct usb_device *udev,
1055 struct dvb_usb_device_properties *props,
1056 struct dvb_usb_device_description **desc,
1057 int *cold)
1058 {
1059 u8 *b;
1060 s16 ret;
1061
1062 b = kmalloc(16, GFP_KERNEL);
1063 if (!b)
1064 return -ENOMEM;
1065
1066 ret = usb_control_msg(udev,
1067 usb_rcvctrlpipe(udev, 0),
1068 0xb7,
1069 USB_TYPE_VENDOR | USB_DIR_IN,
1070 6,
1071 0,
1072 b,
1073 6,
1074 USB_CTRL_GET_TIMEOUT);
1075
1076 *cold = ret <= 0;
1077 kfree(b);
1078 deb_info("cold: %d\n", *cold);
1079 return 0;
1080 }
1081
1082
1083 static struct usb_device_id az6027_usb_table[] = {
1084 { USB_DEVICE(USB_VID_AZUREWAVE, USB_PID_AZUREWAVE_AZ6027) },
1085 { USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_DVBS2CI_V1) },
1086 { USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_DVBS2CI_V2) },
1087 { USB_DEVICE(USB_VID_TECHNISAT, USB_PID_TECHNISAT_USB2_HDCI_V1) },
1088 { USB_DEVICE(USB_VID_TECHNISAT, USB_PID_TECHNISAT_USB2_HDCI_V2) },
1089 { USB_DEVICE(USB_VID_ELGATO, USB_PID_ELGATO_EYETV_SAT) },
1090 { },
1091 };
1092
1093 MODULE_DEVICE_TABLE(usb, az6027_usb_table);
1094
1095 static struct dvb_usb_device_properties az6027_properties = {
1096 .caps = DVB_USB_IS_AN_I2C_ADAPTER,
1097 .usb_ctrl = CYPRESS_FX2,
1098 .firmware = "dvb-usb-az6027-03.fw",
1099 .no_reconnect = 1,
1100
1101 .size_of_priv = sizeof(struct az6027_device_state),
1102 .identify_state = az6027_identify_state,
1103 .num_adapters = 1,
1104 .adapter = {
1105 {
1106 .num_frontends = 1,
1107 .fe = {{
1108 .streaming_ctrl = az6027_streaming_ctrl,
1109 .frontend_attach = az6027_frontend_attach,
1110
1111 /* parameter for the MPEG2-data transfer */
1112 .stream = {
1113 .type = USB_BULK,
1114 .count = 10,
1115 .endpoint = 0x02,
1116 .u = {
1117 .bulk = {
1118 .buffersize = 4096,
1119 }
1120 }
1121 },
1122 }},
1123 }
1124 },
1125 /*
1126 .power_ctrl = az6027_power_ctrl,
1127 .read_mac_address = az6027_read_mac_addr,
1128 */
1129 .rc.legacy = {
1130 .rc_map_table = rc_map_az6027_table,
1131 .rc_map_size = ARRAY_SIZE(rc_map_az6027_table),
1132 .rc_interval = 400,
1133 .rc_query = az6027_rc_query,
1134 },
1135
1136 .i2c_algo = &az6027_i2c_algo,
1137
1138 .num_device_descs = 6,
1139 .devices = {
1140 {
1141 .name = "AZUREWAVE DVB-S/S2 USB2.0 (AZ6027)",
1142 .cold_ids = { &az6027_usb_table[0], NULL },
1143 .warm_ids = { NULL },
1144 }, {
1145 .name = "TERRATEC S7",
1146 .cold_ids = { &az6027_usb_table[1], NULL },
1147 .warm_ids = { NULL },
1148 }, {
1149 .name = "TERRATEC S7 MKII",
1150 .cold_ids = { &az6027_usb_table[2], NULL },
1151 .warm_ids = { NULL },
1152 }, {
1153 .name = "Technisat SkyStar USB 2 HD CI",
1154 .cold_ids = { &az6027_usb_table[3], NULL },
1155 .warm_ids = { NULL },
1156 }, {
1157 .name = "Technisat SkyStar USB 2 HD CI",
1158 .cold_ids = { &az6027_usb_table[4], NULL },
1159 .warm_ids = { NULL },
1160 }, {
1161 .name = "Elgato EyeTV Sat",
1162 .cold_ids = { &az6027_usb_table[5], NULL },
1163 .warm_ids = { NULL },
1164 },
1165 { NULL },
1166 }
1167 };
1168
1169 /* usb specific object needed to register this driver with the usb subsystem */
1170 static struct usb_driver az6027_usb_driver = {
1171 .name = "dvb_usb_az6027",
1172 .probe = az6027_usb_probe,
1173 .disconnect = az6027_usb_disconnect,
1174 .id_table = az6027_usb_table,
1175 };
1176
1177 module_usb_driver(az6027_usb_driver);
1178
1179 MODULE_AUTHOR("Adams Xu <Adams.xu@azwave.com.cn>");
1180 MODULE_DESCRIPTION("Driver for AZUREWAVE DVB-S/S2 USB2.0 (AZ6027)");
1181 MODULE_VERSION("1.0");
1182 MODULE_LICENSE("GPL");