Version:  2.0.40 2.2.26 2.4.37 3.8 3.9 3.10 3.11 3.12 3.13 3.14 3.15 3.16 3.17 3.18 3.19 4.0 4.1 4.2 4.3 4.4 4.5

Linux/drivers/media/usb/dvb-usb/az6027.c

  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 static 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,
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 static struct stb6100_config az6027_stb6100_config = {
295         .tuner_address  = 0xc0,
296         .refclock       = 27000000,
297 };
298 
299 
300 /* check for mutex FIXME */
301 static int az6027_usb_in_op(struct dvb_usb_device *d, u8 req,
302                             u16 value, u16 index, u8 *b, int blen)
303 {
304         int ret = -1;
305         if (mutex_lock_interruptible(&d->usb_mutex))
306                 return -EAGAIN;
307 
308         ret = usb_control_msg(d->udev,
309                               usb_rcvctrlpipe(d->udev, 0),
310                               req,
311                               USB_TYPE_VENDOR | USB_DIR_IN,
312                               value,
313                               index,
314                               b,
315                               blen,
316                               2000);
317 
318         if (ret < 0) {
319                 warn("usb in operation failed. (%d)", ret);
320                 ret = -EIO;
321         } else
322                 ret = 0;
323 
324         deb_xfer("in: req. %02x, val: %04x, ind: %04x, buffer: ", req, value, index);
325         debug_dump(b, blen, deb_xfer);
326 
327         mutex_unlock(&d->usb_mutex);
328         return ret;
329 }
330 
331 static int az6027_usb_out_op(struct dvb_usb_device *d,
332                              u8 req,
333                              u16 value,
334                              u16 index,
335                              u8 *b,
336                              int blen)
337 {
338         int ret;
339 
340         deb_xfer("out: req. %02x, val: %04x, ind: %04x, buffer: ", req, value, index);
341         debug_dump(b, blen, deb_xfer);
342 
343         if (mutex_lock_interruptible(&d->usb_mutex))
344                 return -EAGAIN;
345 
346         ret = usb_control_msg(d->udev,
347                               usb_sndctrlpipe(d->udev, 0),
348                               req,
349                               USB_TYPE_VENDOR | USB_DIR_OUT,
350                               value,
351                               index,
352                               b,
353                               blen,
354                               2000);
355 
356         if (ret != blen) {
357                 warn("usb out operation failed. (%d)", ret);
358                 mutex_unlock(&d->usb_mutex);
359                 return -EIO;
360         } else{
361                 mutex_unlock(&d->usb_mutex);
362                 return 0;
363         }
364 }
365 
366 static int az6027_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff)
367 {
368         int ret;
369         u8 req;
370         u16 value;
371         u16 index;
372         int blen;
373 
374         deb_info("%s %d", __func__, onoff);
375 
376         req = 0xBC;
377         value = onoff;
378         index = 0;
379         blen = 0;
380 
381         ret = az6027_usb_out_op(adap->dev, req, value, index, NULL, blen);
382         if (ret != 0)
383                 warn("usb out operation failed. (%d)", ret);
384 
385         return ret;
386 }
387 
388 /* keys for the enclosed remote control */
389 static struct rc_map_table rc_map_az6027_table[] = {
390         { 0x01, KEY_1 },
391         { 0x02, KEY_2 },
392 };
393 
394 /* remote control stuff (does not work with my box) */
395 static int az6027_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
396 {
397         return 0;
398 }
399 
400 /*
401 int az6027_power_ctrl(struct dvb_usb_device *d, int onoff)
402 {
403         u8 v = onoff;
404         return az6027_usb_out_op(d,0xBC,v,3,NULL,1);
405 }
406 */
407 
408 static int az6027_ci_read_attribute_mem(struct dvb_ca_en50221 *ca,
409                                         int slot,
410                                         int address)
411 {
412         struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
413         struct az6027_device_state *state = (struct az6027_device_state *)d->priv;
414 
415         int ret;
416         u8 req;
417         u16 value;
418         u16 index;
419         int blen;
420         u8 *b;
421 
422         if (slot != 0)
423                 return -EINVAL;
424 
425         b = kmalloc(12, GFP_KERNEL);
426         if (!b)
427                 return -ENOMEM;
428 
429         mutex_lock(&state->ca_mutex);
430 
431         req = 0xC1;
432         value = address;
433         index = 0;
434         blen = 1;
435 
436         ret = az6027_usb_in_op(d, req, value, index, b, blen);
437         if (ret < 0) {
438                 warn("usb in operation failed. (%d)", ret);
439                 ret = -EINVAL;
440         } else {
441                 ret = b[0];
442         }
443 
444         mutex_unlock(&state->ca_mutex);
445         kfree(b);
446         return ret;
447 }
448 
449 static int az6027_ci_write_attribute_mem(struct dvb_ca_en50221 *ca,
450                                          int slot,
451                                          int address,
452                                          u8 value)
453 {
454         struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
455         struct az6027_device_state *state = (struct az6027_device_state *)d->priv;
456 
457         int ret;
458         u8 req;
459         u16 value1;
460         u16 index;
461         int blen;
462 
463         deb_info("%s %d", __func__, slot);
464         if (slot != 0)
465                 return -EINVAL;
466 
467         mutex_lock(&state->ca_mutex);
468         req = 0xC2;
469         value1 = address;
470         index = value;
471         blen = 0;
472 
473         ret = az6027_usb_out_op(d, req, value1, index, NULL, blen);
474         if (ret != 0)
475                 warn("usb out operation failed. (%d)", ret);
476 
477         mutex_unlock(&state->ca_mutex);
478         return ret;
479 }
480 
481 static int az6027_ci_read_cam_control(struct dvb_ca_en50221 *ca,
482                                       int slot,
483                                       u8 address)
484 {
485         struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
486         struct az6027_device_state *state = (struct az6027_device_state *)d->priv;
487 
488         int ret;
489         u8 req;
490         u16 value;
491         u16 index;
492         int blen;
493         u8 *b;
494 
495         if (slot != 0)
496                 return -EINVAL;
497 
498         b = kmalloc(12, GFP_KERNEL);
499         if (!b)
500                 return -ENOMEM;
501 
502         mutex_lock(&state->ca_mutex);
503 
504         req = 0xC3;
505         value = address;
506         index = 0;
507         blen = 2;
508 
509         ret = az6027_usb_in_op(d, req, value, index, b, blen);
510         if (ret < 0) {
511                 warn("usb in operation failed. (%d)", ret);
512                 ret = -EINVAL;
513         } else {
514                 if (b[0] == 0)
515                         warn("Read CI IO error");
516 
517                 ret = b[1];
518                 deb_info("read cam data = %x from 0x%x", b[1], value);
519         }
520 
521         mutex_unlock(&state->ca_mutex);
522         kfree(b);
523         return ret;
524 }
525 
526 static int az6027_ci_write_cam_control(struct dvb_ca_en50221 *ca,
527                                        int slot,
528                                        u8 address,
529                                        u8 value)
530 {
531         struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
532         struct az6027_device_state *state = (struct az6027_device_state *)d->priv;
533 
534         int ret;
535         u8 req;
536         u16 value1;
537         u16 index;
538         int blen;
539 
540         if (slot != 0)
541                 return -EINVAL;
542 
543         mutex_lock(&state->ca_mutex);
544         req = 0xC4;
545         value1 = address;
546         index = value;
547         blen = 0;
548 
549         ret = az6027_usb_out_op(d, req, value1, index, NULL, blen);
550         if (ret != 0) {
551                 warn("usb out operation failed. (%d)", ret);
552                 goto failed;
553         }
554 
555 failed:
556         mutex_unlock(&state->ca_mutex);
557         return ret;
558 }
559 
560 static int CI_CamReady(struct dvb_ca_en50221 *ca, int slot)
561 {
562         struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
563 
564         int ret;
565         u8 req;
566         u16 value;
567         u16 index;
568         int blen;
569         u8 *b;
570 
571         b = kmalloc(12, GFP_KERNEL);
572         if (!b)
573                 return -ENOMEM;
574 
575         req = 0xC8;
576         value = 0;
577         index = 0;
578         blen = 1;
579 
580         ret = az6027_usb_in_op(d, req, value, index, b, blen);
581         if (ret < 0) {
582                 warn("usb in operation failed. (%d)", ret);
583                 ret = -EIO;
584         } else{
585                 ret = b[0];
586         }
587         kfree(b);
588         return ret;
589 }
590 
591 static int az6027_ci_slot_reset(struct dvb_ca_en50221 *ca, int slot)
592 {
593         struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
594         struct az6027_device_state *state = (struct az6027_device_state *)d->priv;
595 
596         int ret, i;
597         u8 req;
598         u16 value;
599         u16 index;
600         int blen;
601 
602         mutex_lock(&state->ca_mutex);
603 
604         req = 0xC6;
605         value = 1;
606         index = 0;
607         blen = 0;
608 
609         ret = az6027_usb_out_op(d, req, value, index, NULL, blen);
610         if (ret != 0) {
611                 warn("usb out operation failed. (%d)", ret);
612                 goto failed;
613         }
614 
615         msleep(500);
616         req = 0xC6;
617         value = 0;
618         index = 0;
619         blen = 0;
620 
621         ret = az6027_usb_out_op(d, req, value, index, NULL, blen);
622         if (ret != 0) {
623                 warn("usb out operation failed. (%d)", ret);
624                 goto failed;
625         }
626 
627         for (i = 0; i < 15; i++) {
628                 msleep(100);
629 
630                 if (CI_CamReady(ca, slot)) {
631                         deb_info("CAM Ready");
632                         break;
633                 }
634         }
635         msleep(5000);
636 
637 failed:
638         mutex_unlock(&state->ca_mutex);
639         return ret;
640 }
641 
642 static int az6027_ci_slot_shutdown(struct dvb_ca_en50221 *ca, int slot)
643 {
644         return 0;
645 }
646 
647 static int az6027_ci_slot_ts_enable(struct dvb_ca_en50221 *ca, int slot)
648 {
649         struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
650         struct az6027_device_state *state = (struct az6027_device_state *)d->priv;
651 
652         int ret;
653         u8 req;
654         u16 value;
655         u16 index;
656         int blen;
657 
658         deb_info("%s", __func__);
659         mutex_lock(&state->ca_mutex);
660         req = 0xC7;
661         value = 1;
662         index = 0;
663         blen = 0;
664 
665         ret = az6027_usb_out_op(d, req, value, index, NULL, blen);
666         if (ret != 0) {
667                 warn("usb out operation failed. (%d)", ret);
668                 goto failed;
669         }
670 
671 failed:
672         mutex_unlock(&state->ca_mutex);
673         return ret;
674 }
675 
676 static int az6027_ci_poll_slot_status(struct dvb_ca_en50221 *ca, int slot, int open)
677 {
678         struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
679         struct az6027_device_state *state = (struct az6027_device_state *)d->priv;
680         int ret;
681         u8 req;
682         u16 value;
683         u16 index;
684         int blen;
685         u8 *b;
686 
687         b = kmalloc(12, GFP_KERNEL);
688         if (!b)
689                 return -ENOMEM;
690         mutex_lock(&state->ca_mutex);
691 
692         req = 0xC5;
693         value = 0;
694         index = 0;
695         blen = 1;
696 
697         ret = az6027_usb_in_op(d, req, value, index, b, blen);
698         if (ret < 0) {
699                 warn("usb in operation failed. (%d)", ret);
700                 ret = -EIO;
701         } else
702                 ret = 0;
703 
704         if (!ret && b[0] == 1) {
705                 ret = DVB_CA_EN50221_POLL_CAM_PRESENT |
706                       DVB_CA_EN50221_POLL_CAM_READY;
707         }
708 
709         mutex_unlock(&state->ca_mutex);
710         kfree(b);
711         return ret;
712 }
713 
714 
715 static void az6027_ci_uninit(struct dvb_usb_device *d)
716 {
717         struct az6027_device_state *state;
718 
719         deb_info("%s", __func__);
720 
721         if (NULL == d)
722                 return;
723 
724         state = (struct az6027_device_state *)d->priv;
725         if (NULL == state)
726                 return;
727 
728         if (NULL == state->ca.data)
729                 return;
730 
731         dvb_ca_en50221_release(&state->ca);
732 
733         memset(&state->ca, 0, sizeof(state->ca));
734 }
735 
736 
737 static int az6027_ci_init(struct dvb_usb_adapter *a)
738 {
739         struct dvb_usb_device *d = a->dev;
740         struct az6027_device_state *state = (struct az6027_device_state *)d->priv;
741         int ret;
742 
743         deb_info("%s", __func__);
744 
745         mutex_init(&state->ca_mutex);
746 
747         state->ca.owner                 = THIS_MODULE;
748         state->ca.read_attribute_mem    = az6027_ci_read_attribute_mem;
749         state->ca.write_attribute_mem   = az6027_ci_write_attribute_mem;
750         state->ca.read_cam_control      = az6027_ci_read_cam_control;
751         state->ca.write_cam_control     = az6027_ci_write_cam_control;
752         state->ca.slot_reset            = az6027_ci_slot_reset;
753         state->ca.slot_shutdown         = az6027_ci_slot_shutdown;
754         state->ca.slot_ts_enable        = az6027_ci_slot_ts_enable;
755         state->ca.poll_slot_status      = az6027_ci_poll_slot_status;
756         state->ca.data                  = d;
757 
758         ret = dvb_ca_en50221_init(&a->dvb_adap,
759                                   &state->ca,
760                                   0, /* flags */
761                                   1);/* n_slots */
762         if (ret != 0) {
763                 err("Cannot initialize CI: Error %d.", ret);
764                 memset(&state->ca, 0, sizeof(state->ca));
765                 return ret;
766         }
767 
768         deb_info("CI initialized.");
769 
770         return 0;
771 }
772 
773 /*
774 static int az6027_read_mac_addr(struct dvb_usb_device *d, u8 mac[6])
775 {
776         az6027_usb_in_op(d, 0xb7, 6, 0, &mac[0], 6);
777         return 0;
778 }
779 */
780 
781 static int az6027_set_voltage(struct dvb_frontend *fe,
782                               enum fe_sec_voltage voltage)
783 {
784 
785         u8 buf;
786         struct dvb_usb_adapter *adap = fe->dvb->priv;
787 
788         struct i2c_msg i2c_msg = {
789                 .addr   = 0x99,
790                 .flags  = 0,
791                 .buf    = &buf,
792                 .len    = 1
793         };
794 
795         /*
796          * 2   --18v
797          * 1   --13v
798          * 0   --off
799          */
800         switch (voltage) {
801         case SEC_VOLTAGE_13:
802                 buf = 1;
803                 i2c_transfer(&adap->dev->i2c_adap, &i2c_msg, 1);
804                 break;
805 
806         case SEC_VOLTAGE_18:
807                 buf = 2;
808                 i2c_transfer(&adap->dev->i2c_adap, &i2c_msg, 1);
809                 break;
810 
811         case SEC_VOLTAGE_OFF:
812                 buf = 0;
813                 i2c_transfer(&adap->dev->i2c_adap, &i2c_msg, 1);
814                 break;
815 
816         default:
817                 return -EINVAL;
818         }
819         return 0;
820 }
821 
822 
823 static int az6027_frontend_poweron(struct dvb_usb_adapter *adap)
824 {
825         int ret;
826         u8 req;
827         u16 value;
828         u16 index;
829         int blen;
830 
831         req = 0xBC;
832         value = 1; /* power on */
833         index = 3;
834         blen = 0;
835 
836         ret = az6027_usb_out_op(adap->dev, req, value, index, NULL, blen);
837         if (ret != 0)
838                 return -EIO;
839 
840         return 0;
841 }
842 static int az6027_frontend_reset(struct dvb_usb_adapter *adap)
843 {
844         int ret;
845         u8 req;
846         u16 value;
847         u16 index;
848         int blen;
849 
850         /* reset demodulator */
851         req = 0xC0;
852         value = 1; /* high */
853         index = 3;
854         blen = 0;
855 
856         ret = az6027_usb_out_op(adap->dev, req, value, index, NULL, blen);
857         if (ret != 0)
858                 return -EIO;
859 
860         req = 0xC0;
861         value = 0; /* low */
862         index = 3;
863         blen = 0;
864         msleep_interruptible(200);
865 
866         ret = az6027_usb_out_op(adap->dev, req, value, index, NULL, blen);
867         if (ret != 0)
868                 return -EIO;
869 
870         msleep_interruptible(200);
871 
872         req = 0xC0;
873         value = 1; /*high */
874         index = 3;
875         blen = 0;
876 
877         ret = az6027_usb_out_op(adap->dev, req, value, index, NULL, blen);
878         if (ret != 0)
879                 return -EIO;
880 
881         msleep_interruptible(200);
882         return 0;
883 }
884 
885 static int az6027_frontend_tsbypass(struct dvb_usb_adapter *adap, int onoff)
886 {
887         int ret;
888         u8 req;
889         u16 value;
890         u16 index;
891         int blen;
892 
893         /* TS passthrough */
894         req = 0xC7;
895         value = onoff;
896         index = 0;
897         blen = 0;
898 
899         ret = az6027_usb_out_op(adap->dev, req, value, index, NULL, blen);
900         if (ret != 0)
901                 return -EIO;
902 
903         return 0;
904 }
905 
906 static int az6027_frontend_attach(struct dvb_usb_adapter *adap)
907 {
908 
909         az6027_frontend_poweron(adap);
910         az6027_frontend_reset(adap);
911 
912         deb_info("adap = %p, dev = %p\n", adap, adap->dev);
913         adap->fe_adap[0].fe = stb0899_attach(&az6027_stb0899_config, &adap->dev->i2c_adap);
914 
915         if (adap->fe_adap[0].fe) {
916                 deb_info("found STB0899 DVB-S/DVB-S2 frontend @0x%02x", az6027_stb0899_config.demod_address);
917                 if (stb6100_attach(adap->fe_adap[0].fe, &az6027_stb6100_config, &adap->dev->i2c_adap)) {
918                         deb_info("found STB6100 DVB-S/DVB-S2 frontend @0x%02x", az6027_stb6100_config.tuner_address);
919                         adap->fe_adap[0].fe->ops.set_voltage = az6027_set_voltage;
920                         az6027_ci_init(adap);
921                 } else {
922                         adap->fe_adap[0].fe = NULL;
923                 }
924         } else
925                 warn("no front-end attached\n");
926 
927         az6027_frontend_tsbypass(adap, 0);
928 
929         return 0;
930 }
931 
932 static struct dvb_usb_device_properties az6027_properties;
933 
934 static void az6027_usb_disconnect(struct usb_interface *intf)
935 {
936         struct dvb_usb_device *d = usb_get_intfdata(intf);
937         az6027_ci_uninit(d);
938         dvb_usb_device_exit(intf);
939 }
940 
941 
942 static int az6027_usb_probe(struct usb_interface *intf,
943                             const struct usb_device_id *id)
944 {
945         return dvb_usb_device_init(intf,
946                                    &az6027_properties,
947                                    THIS_MODULE,
948                                    NULL,
949                                    adapter_nr);
950 }
951 
952 /* I2C */
953 static int az6027_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[], int num)
954 {
955         struct dvb_usb_device *d = i2c_get_adapdata(adap);
956         int i = 0, j = 0, len = 0;
957         u16 index;
958         u16 value;
959         int length;
960         u8 req;
961         u8 *data;
962 
963         data = kmalloc(256, GFP_KERNEL);
964         if (!data)
965                 return -ENOMEM;
966 
967         if (mutex_lock_interruptible(&d->i2c_mutex) < 0) {
968                 kfree(data);
969                 return -EAGAIN;
970         }
971 
972         if (num > 2)
973                 warn("more than 2 i2c messages at a time is not handled yet. TODO.");
974 
975         for (i = 0; i < num; i++) {
976 
977                 if (msg[i].addr == 0x99) {
978                         req = 0xBE;
979                         index = 0;
980                         value = msg[i].buf[0] & 0x00ff;
981                         length = 1;
982                         az6027_usb_out_op(d, req, value, index, data, length);
983                 }
984 
985                 if (msg[i].addr == 0xd0) {
986                         /* write/read request */
987                         if (i + 1 < num && (msg[i + 1].flags & I2C_M_RD)) {
988                                 req = 0xB9;
989                                 index = (((msg[i].buf[0] << 8) & 0xff00) | (msg[i].buf[1] & 0x00ff));
990                                 value = msg[i].addr + (msg[i].len << 8);
991                                 length = msg[i + 1].len + 6;
992                                 az6027_usb_in_op(d, req, value, index, data, length);
993                                 len = msg[i + 1].len;
994                                 for (j = 0; j < len; j++)
995                                         msg[i + 1].buf[j] = data[j + 5];
996 
997                                 i++;
998                         } else {
999 
1000                                 /* demod 16bit addr */
1001                                 req = 0xBD;
1002                                 index = (((msg[i].buf[0] << 8) & 0xff00) | (msg[i].buf[1] & 0x00ff));
1003                                 value = msg[i].addr + (2 << 8);
1004                                 length = msg[i].len - 2;
1005                                 len = msg[i].len - 2;
1006                                 for (j = 0; j < len; j++)
1007                                         data[j] = msg[i].buf[j + 2];
1008                                 az6027_usb_out_op(d, req, value, index, data, length);
1009                         }
1010                 }
1011 
1012                 if (msg[i].addr == 0xc0) {
1013                         if (msg[i].flags & I2C_M_RD) {
1014 
1015                                 req = 0xB9;
1016                                 index = 0x0;
1017                                 value = msg[i].addr;
1018                                 length = msg[i].len + 6;
1019                                 az6027_usb_in_op(d, req, value, index, data, length);
1020                                 len = msg[i].len;
1021                                 for (j = 0; j < len; j++)
1022                                         msg[i].buf[j] = data[j + 5];
1023 
1024                         } else {
1025 
1026                                 req = 0xBD;
1027                                 index = msg[i].buf[0] & 0x00FF;
1028                                 value = msg[i].addr + (1 << 8);
1029                                 length = msg[i].len - 1;
1030                                 len = msg[i].len - 1;
1031 
1032                                 for (j = 0; j < len; j++)
1033                                         data[j] = msg[i].buf[j + 1];
1034 
1035                                 az6027_usb_out_op(d, req, value, index, data, length);
1036                         }
1037                 }
1038         }
1039         mutex_unlock(&d->i2c_mutex);
1040         kfree(data);
1041 
1042         return i;
1043 }
1044 
1045 
1046 static u32 az6027_i2c_func(struct i2c_adapter *adapter)
1047 {
1048         return I2C_FUNC_I2C;
1049 }
1050 
1051 static struct i2c_algorithm az6027_i2c_algo = {
1052         .master_xfer   = az6027_i2c_xfer,
1053         .functionality = az6027_i2c_func,
1054 };
1055 
1056 static int az6027_identify_state(struct usb_device *udev,
1057                                  struct dvb_usb_device_properties *props,
1058                                  struct dvb_usb_device_description **desc,
1059                                  int *cold)
1060 {
1061         u8 *b;
1062         s16 ret;
1063 
1064         b = kmalloc(16, GFP_KERNEL);
1065         if (!b)
1066                 return -ENOMEM;
1067 
1068         ret = usb_control_msg(udev,
1069                                   usb_rcvctrlpipe(udev, 0),
1070                                   0xb7,
1071                                   USB_TYPE_VENDOR | USB_DIR_IN,
1072                                   6,
1073                                   0,
1074                                   b,
1075                                   6,
1076                                   USB_CTRL_GET_TIMEOUT);
1077 
1078         *cold = ret <= 0;
1079         kfree(b);
1080         deb_info("cold: %d\n", *cold);
1081         return 0;
1082 }
1083 
1084 
1085 static struct usb_device_id az6027_usb_table[] = {
1086         { USB_DEVICE(USB_VID_AZUREWAVE, USB_PID_AZUREWAVE_AZ6027) },
1087         { USB_DEVICE(USB_VID_TERRATEC,  USB_PID_TERRATEC_DVBS2CI_V1) },
1088         { USB_DEVICE(USB_VID_TERRATEC,  USB_PID_TERRATEC_DVBS2CI_V2) },
1089         { USB_DEVICE(USB_VID_TECHNISAT, USB_PID_TECHNISAT_USB2_HDCI_V1) },
1090         { USB_DEVICE(USB_VID_TECHNISAT, USB_PID_TECHNISAT_USB2_HDCI_V2) },
1091         { USB_DEVICE(USB_VID_ELGATO, USB_PID_ELGATO_EYETV_SAT) },
1092         { USB_DEVICE(USB_VID_ELGATO, USB_PID_ELGATO_EYETV_SAT_V2) },
1093         { },
1094 };
1095 
1096 MODULE_DEVICE_TABLE(usb, az6027_usb_table);
1097 
1098 static struct dvb_usb_device_properties az6027_properties = {
1099         .caps = DVB_USB_IS_AN_I2C_ADAPTER,
1100         .usb_ctrl = CYPRESS_FX2,
1101         .firmware            = "dvb-usb-az6027-03.fw",
1102         .no_reconnect        = 1,
1103 
1104         .size_of_priv     = sizeof(struct az6027_device_state),
1105         .identify_state         = az6027_identify_state,
1106         .num_adapters = 1,
1107         .adapter = {
1108                 {
1109                 .num_frontends = 1,
1110                 .fe = {{
1111                         .streaming_ctrl   = az6027_streaming_ctrl,
1112                         .frontend_attach  = az6027_frontend_attach,
1113 
1114                         /* parameter for the MPEG2-data transfer */
1115                         .stream = {
1116                                 .type = USB_BULK,
1117                                 .count = 10,
1118                                 .endpoint = 0x02,
1119                                 .u = {
1120                                         .bulk = {
1121                                                 .buffersize = 4096,
1122                                         }
1123                                 }
1124                         },
1125                 }},
1126                 }
1127         },
1128 /*
1129         .power_ctrl       = az6027_power_ctrl,
1130         .read_mac_address = az6027_read_mac_addr,
1131  */
1132         .rc.legacy = {
1133                 .rc_map_table     = rc_map_az6027_table,
1134                 .rc_map_size      = ARRAY_SIZE(rc_map_az6027_table),
1135                 .rc_interval      = 400,
1136                 .rc_query         = az6027_rc_query,
1137         },
1138 
1139         .i2c_algo         = &az6027_i2c_algo,
1140 
1141         .num_device_descs = 7,
1142         .devices = {
1143                 {
1144                         .name = "AZUREWAVE DVB-S/S2 USB2.0 (AZ6027)",
1145                         .cold_ids = { &az6027_usb_table[0], NULL },
1146                         .warm_ids = { NULL },
1147                 }, {
1148                         .name = "TERRATEC S7",
1149                         .cold_ids = { &az6027_usb_table[1], NULL },
1150                         .warm_ids = { NULL },
1151                 }, {
1152                         .name = "TERRATEC S7 MKII",
1153                         .cold_ids = { &az6027_usb_table[2], NULL },
1154                         .warm_ids = { NULL },
1155                 }, {
1156                         .name = "Technisat SkyStar USB 2 HD CI",
1157                         .cold_ids = { &az6027_usb_table[3], NULL },
1158                         .warm_ids = { NULL },
1159                 }, {
1160                         .name = "Technisat SkyStar USB 2 HD CI",
1161                         .cold_ids = { &az6027_usb_table[4], NULL },
1162                         .warm_ids = { NULL },
1163                 }, {
1164                         .name = "Elgato EyeTV Sat",
1165                         .cold_ids = { &az6027_usb_table[5], NULL },
1166                         .warm_ids = { NULL },
1167                 }, {
1168                         .name = "Elgato EyeTV Sat",
1169                         .cold_ids = { &az6027_usb_table[6], NULL },
1170                         .warm_ids = { NULL },
1171                 },
1172                 { NULL },
1173         }
1174 };
1175 
1176 /* usb specific object needed to register this driver with the usb subsystem */
1177 static struct usb_driver az6027_usb_driver = {
1178         .name           = "dvb_usb_az6027",
1179         .probe          = az6027_usb_probe,
1180         .disconnect     = az6027_usb_disconnect,
1181         .id_table       = az6027_usb_table,
1182 };
1183 
1184 module_usb_driver(az6027_usb_driver);
1185 
1186 MODULE_AUTHOR("Adams Xu <Adams.xu@azwave.com.cn>");
1187 MODULE_DESCRIPTION("Driver for AZUREWAVE DVB-S/S2 USB2.0 (AZ6027)");
1188 MODULE_VERSION("1.0");
1189 MODULE_LICENSE("GPL");
1190 

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