drivers/media/dvb/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_DISFIFO               , 0x00 },
  44         { STB0899_DISSTATUS             , 0x20 },
  45         { STB0899_DISF22                , 0x99 },
  46         { STB0899_DISF22RX              , 0xa8 },
  47         /* SYSREG ? */
  48         { STB0899_ACRPRESC              , 0x11 },
  49         { STB0899_ACRDIV1               , 0x0a },
  50         { STB0899_ACRDIV2               , 0x05 },
  51         { STB0899_DACR1                 , 0x00 },
  52         { STB0899_DACR2                 , 0x00 },
  53         { STB0899_OUTCFG                , 0x00 },
  54         { STB0899_MODECFG               , 0x00 },
  55         { STB0899_IRQSTATUS_3           , 0xfe },
  56         { STB0899_IRQSTATUS_2           , 0x03 },
  57         { STB0899_IRQSTATUS_1           , 0x7c },
  58         { STB0899_IRQSTATUS_0           , 0xf4 },
  59         { STB0899_IRQMSK_3              , 0xf3 },
  60         { STB0899_IRQMSK_2              , 0xfc },
  61         { STB0899_IRQMSK_1              , 0xff },
  62         { STB0899_IRQMSK_0              , 0xff },
  63         { STB0899_IRQCFG                , 0x00 },
  64         { STB0899_I2CCFG                , 0x88 },
  65         { STB0899_I2CRPT                , 0x58 },
  66         { STB0899_IOPVALUE5             , 0x00 },
  67         { STB0899_IOPVALUE4             , 0x33 },
  68         { STB0899_IOPVALUE3             , 0x6d },
  69         { STB0899_IOPVALUE2             , 0x90 },
  70         { STB0899_IOPVALUE1             , 0x60 },
  71         { STB0899_IOPVALUE0             , 0x00 },
  72         { STB0899_GPIO00CFG             , 0x82 },
  73         { STB0899_GPIO01CFG             , 0x82 },
  74         { STB0899_GPIO02CFG             , 0x82 },
  75         { STB0899_GPIO03CFG             , 0x82 },
  76         { STB0899_GPIO04CFG             , 0x82 },
  77         { STB0899_GPIO05CFG             , 0x82 },
  78         { STB0899_GPIO06CFG             , 0x82 },
  79         { STB0899_GPIO07CFG             , 0x82 },
  80         { STB0899_GPIO08CFG             , 0x82 },
  81         { STB0899_GPIO09CFG             , 0x82 },
  82         { STB0899_GPIO10CFG             , 0x82 },
  83         { STB0899_GPIO11CFG             , 0x82 },
  84         { STB0899_GPIO12CFG             , 0x82 },
  85         { STB0899_GPIO13CFG             , 0x82 },
  86         { STB0899_GPIO14CFG             , 0x82 },
  87         { STB0899_GPIO15CFG             , 0x82 },
  88         { STB0899_GPIO16CFG             , 0x82 },
  89         { STB0899_GPIO17CFG             , 0x82 },
  90         { STB0899_GPIO18CFG             , 0x82 },
  91         { STB0899_GPIO19CFG             , 0x82 },
  92         { STB0899_GPIO20CFG             , 0x82 },
  93         { STB0899_SDATCFG               , 0xb8 },
  94         { STB0899_SCLTCFG               , 0xba },
  95         { STB0899_AGCRFCFG              , 0x1c }, /* 0x11 */
  96         { STB0899_GPIO22                , 0x82 }, /* AGCBB2CFG */
  97         { STB0899_GPIO21                , 0x91 }, /* AGCBB1CFG */
  98         { STB0899_DIRCLKCFG             , 0x82 },
  99         { STB0899_CLKOUT27CFG           , 0x7e },
 100         { STB0899_STDBYCFG              , 0x82 },
 101         { STB0899_CS0CFG                , 0x82 },
 102         { STB0899_CS1CFG                , 0x82 },
 103         { STB0899_DISEQCOCFG            , 0x20 },
 104         { STB0899_GPIO32CFG             , 0x82 },
 105         { STB0899_GPIO33CFG             , 0x82 },
 106         { STB0899_GPIO34CFG             , 0x82 },
 107         { STB0899_GPIO35CFG             , 0x82 },
 108         { STB0899_GPIO36CFG             , 0x82 },
 109         { STB0899_GPIO37CFG             , 0x82 },
 110         { STB0899_GPIO38CFG             , 0x82 },
 111         { STB0899_GPIO39CFG             , 0x82 },
 112         { STB0899_NCOARSE               , 0x17 }, /* 0x15 = 27 Mhz Clock, F/3 = 198MHz, F/6 = 99MHz */
 113         { STB0899_SYNTCTRL              , 0x02 }, /* 0x00 = CLK from CLKI, 0x02 = CLK from XTALI */
 114         { STB0899_FILTCTRL              , 0x00 },
 115         { STB0899_SYSCTRL               , 0x01 },
 116         { STB0899_STOPCLK1              , 0x20 },
 117         { STB0899_STOPCLK2              , 0x00 },
 118         { STB0899_INTBUFSTATUS          , 0x00 },
 119         { STB0899_INTBUFCTRL            , 0x0a },
 120         { 0xffff                        , 0xff },
 121 };
 122
 123 static const struct stb0899_s1_reg az6027_stb0899_s1_init_3[] = {
 124         { STB0899_DEMOD                 , 0x00 },
 125         { STB0899_RCOMPC                , 0xc9 },
 126         { STB0899_AGC1CN                , 0x01 },
 127         { STB0899_AGC1REF               , 0x10 },
 128         { STB0899_RTC                   , 0x23 },
 129         { STB0899_TMGCFG                , 0x4e },
 130         { STB0899_AGC2REF               , 0x34 },
 131         { STB0899_TLSR                  , 0x84 },
 132         { STB0899_CFD                   , 0xf7 },
 133         { STB0899_ACLC                  , 0x87 },
 134         { STB0899_BCLC                  , 0x94 },
 135         { STB0899_EQON                  , 0x41 },
 136         { STB0899_LDT                   , 0xf1 },
 137         { STB0899_LDT2                  , 0xe3 },
 138         { STB0899_EQUALREF              , 0xb4 },
 139         { STB0899_TMGRAMP               , 0x10 },
 140         { STB0899_TMGTHD                , 0x30 },
 141         { STB0899_IDCCOMP               , 0xfd },
 142         { STB0899_QDCCOMP               , 0xff },
 143         { STB0899_POWERI                , 0x0c },
 144         { STB0899_POWERQ                , 0x0f },
 145         { STB0899_RCOMP                 , 0x6c },
 146         { STB0899_AGCIQIN               , 0x80 },
 147         { STB0899_AGC2I1                , 0x06 },
 148         { STB0899_AGC2I2                , 0x00 },
 149         { STB0899_TLIR                  , 0x30 },
 150         { STB0899_RTF                   , 0x7f },
 151         { STB0899_DSTATUS               , 0x00 },
 152         { STB0899_LDI                   , 0xbc },
 153         { STB0899_CFRM                  , 0xea },
 154         { STB0899_CFRL                  , 0x31 },
 155         { STB0899_NIRM                  , 0x2b },
 156         { STB0899_NIRL                  , 0x80 },
 157         { STB0899_ISYMB                 , 0x1d },
 158         { STB0899_QSYMB                 , 0xa6 },
 159         { STB0899_SFRH                  , 0x2f },
 160         { STB0899_SFRM                  , 0x68 },
 161         { STB0899_SFRL                  , 0x40 },
 162         { STB0899_SFRUPH                , 0x2f },
 163         { STB0899_SFRUPM                , 0x68 },
 164         { STB0899_SFRUPL                , 0x40 },
 165         { STB0899_EQUAI1                , 0x02 },
 166         { STB0899_EQUAQ1                , 0xff },
 167         { STB0899_EQUAI2                , 0x04 },
 168         { STB0899_EQUAQ2                , 0x05 },
 169         { STB0899_EQUAI3                , 0x02 },
 170         { STB0899_EQUAQ3                , 0xfd },
 171         { STB0899_EQUAI4                , 0x03 },
 172         { STB0899_EQUAQ4                , 0x07 },
 173         { STB0899_EQUAI5                , 0x08 },
 174         { STB0899_EQUAQ5                , 0xf5 },
 175         { STB0899_DSTATUS2              , 0x00 },
 176         { STB0899_VSTATUS               , 0x00 },
 177         { STB0899_VERROR                , 0x86 },
 178         { STB0899_IQSWAP                , 0x2a },
 179         { STB0899_ECNT1M                , 0x00 },
 180         { STB0899_ECNT1L                , 0x00 },
 181         { STB0899_ECNT2M                , 0x00 },
 182         { STB0899_ECNT2L                , 0x00 },
 183         { STB0899_ECNT3M                , 0x0a },
 184         { STB0899_ECNT3L                , 0xad },
 185         { STB0899_FECAUTO1              , 0x06 },
 186         { STB0899_FECM                  , 0x01 },
 187         { STB0899_VTH12                 , 0xb0 },
 188         { STB0899_VTH23                 , 0x7a },
 189         { STB0899_VTH34                 , 0x58 },
 190         { STB0899_VTH56                 , 0x38 },
 191         { STB0899_VTH67                 , 0x34 },
 192         { STB0899_VTH78                 , 0x24 },
 193         { STB0899_PRVIT                 , 0xff },
 194         { STB0899_VITSYNC               , 0x19 },
 195         { STB0899_RSULC                 , 0xb1 }, /* DVB = 0xb1, DSS = 0xa1 */
 196         { STB0899_TSULC                 , 0x42 },
 197         { STB0899_RSLLC                 , 0x41 },
 198         { STB0899_TSLPL                 , 0x12 },
 199         { STB0899_TSCFGH                , 0x0c },
 200         { STB0899_TSCFGM                , 0x00 },
 201         { STB0899_TSCFGL                , 0x00 },
 202         { STB0899_TSOUT                 , 0x69 }, /* 0x0d for CAM */
 203         { STB0899_RSSYNCDEL             , 0x00 },
 204         { STB0899_TSINHDELH             , 0x02 },
 205         { STB0899_TSINHDELM             , 0x00 },
 206         { STB0899_TSINHDELL             , 0x00 },
 207         { STB0899_TSLLSTKM              , 0x1b },
 208         { STB0899_TSLLSTKL              , 0xb3 },
 209         { STB0899_TSULSTKM              , 0x00 },
 210         { STB0899_TSULSTKL              , 0x00 },
 211         { STB0899_PCKLENUL              , 0xbc },
 212         { STB0899_PCKLENLL              , 0xcc },
 213         { STB0899_RSPCKLEN              , 0xbd },
 214         { STB0899_TSSTATUS              , 0x90 },
 215         { STB0899_ERRCTRL1              , 0xb6 },
 216         { STB0899_ERRCTRL2              , 0x95 },
 217         { STB0899_ERRCTRL3              , 0x8d },
 218         { STB0899_DMONMSK1              , 0x27 },
 219         { STB0899_DMONMSK0              , 0x03 },
 220         { STB0899_DEMAPVIT              , 0x5c },
 221         { STB0899_PLPARM                , 0x19 },
 222         { STB0899_PDELCTRL              , 0x48 },
 223         { STB0899_PDELCTRL2             , 0x00 },
 224         { STB0899_BBHCTRL1              , 0x00 },
 225         { STB0899_BBHCTRL2              , 0x00 },
 226         { STB0899_HYSTTHRESH            , 0x77 },
 227         { STB0899_MATCSTM               , 0x00 },
 228         { STB0899_MATCSTL               , 0x00 },
 229         { STB0899_UPLCSTM               , 0x00 },
 230         { STB0899_UPLCSTL               , 0x00 },
 231         { STB0899_DFLCSTM               , 0x00 },
 232         { STB0899_DFLCSTL               , 0x00 },
 233         { STB0899_SYNCCST               , 0x00 },
 234         { STB0899_SYNCDCSTM             , 0x00 },
 235         { STB0899_SYNCDCSTL             , 0x00 },
 236         { STB0899_ISI_ENTRY             , 0x00 },
 237         { STB0899_ISI_BIT_EN            , 0x00 },
 238         { STB0899_MATSTRM               , 0xf0 },
 239         { STB0899_MATSTRL               , 0x02 },
 240         { STB0899_UPLSTRM               , 0x45 },
 241         { STB0899_UPLSTRL               , 0x60 },
 242         { STB0899_DFLSTRM               , 0xe3 },
 243         { STB0899_DFLSTRL               , 0x00 },
 244         { STB0899_SYNCSTR               , 0x47 },
 245         { STB0899_SYNCDSTRM             , 0x05 },
 246         { STB0899_SYNCDSTRL             , 0x18 },
 247         { STB0899_CFGPDELSTATUS1        , 0x19 },
 248         { STB0899_CFGPDELSTATUS2        , 0x2b },
 249         { STB0899_BBFERRORM             , 0x00 },
 250         { STB0899_BBFERRORL             , 0x01 },
 251         { STB0899_UPKTERRORM            , 0x00 },
 252         { STB0899_UPKTERRORL            , 0x00 },
 253         { 0xffff                        , 0xff },
 254 };
 255
 256
 257
 258 struct stb0899_config az6027_stb0899_config = {
 259         .init_dev               = az6027_stb0899_s1_init_1,
 260         .init_s2_demod          = stb0899_s2_init_2,
 261         .init_s1_demod          = az6027_stb0899_s1_init_3,
 262         .init_s2_fec            = stb0899_s2_init_4,
 263         .init_tst               = stb0899_s1_init_5,
 264
 265         .demod_address          = 0xd0, /* 0x68, 0xd0 >> 1 */
 266
 267         .xtal_freq              = 27000000,
 268         .inversion              = IQ_SWAP_ON, /* 1 */
 269
 270         .lo_clk                 = 76500000,
 271         .hi_clk                 = 99000000,
 272
 273         .esno_ave               = STB0899_DVBS2_ESNO_AVE,
 274         .esno_quant             = STB0899_DVBS2_ESNO_QUANT,
 275         .avframes_coarse        = STB0899_DVBS2_AVFRAMES_COARSE,
 276         .avframes_fine          = STB0899_DVBS2_AVFRAMES_FINE,
 277         .miss_threshold         = STB0899_DVBS2_MISS_THRESHOLD,
 278         .uwp_threshold_acq      = STB0899_DVBS2_UWP_THRESHOLD_ACQ,
 279         .uwp_threshold_track    = STB0899_DVBS2_UWP_THRESHOLD_TRACK,
 280         .uwp_threshold_sof      = STB0899_DVBS2_UWP_THRESHOLD_SOF,
 281         .sof_search_timeout     = STB0899_DVBS2_SOF_SEARCH_TIMEOUT,
 282
 283         .btr_nco_bits           = STB0899_DVBS2_BTR_NCO_BITS,
 284         .btr_gain_shift_offset  = STB0899_DVBS2_BTR_GAIN_SHIFT_OFFSET,
 285         .crl_nco_bits           = STB0899_DVBS2_CRL_NCO_BITS,
 286         .ldpc_max_iter          = STB0899_DVBS2_LDPC_MAX_ITER,
 287
 288         .tuner_get_frequency    = stb6100_get_frequency,
 289         .tuner_set_frequency    = stb6100_set_frequency,
 290         .tuner_set_bandwidth    = stb6100_set_bandwidth,
 291         .tuner_get_bandwidth    = stb6100_get_bandwidth,
 292         .tuner_set_rfsiggain    = NULL,
 293 };
 294
 295 struct stb6100_config az6027_stb6100_config = {
 296         .tuner_address  = 0xc0,
 297         .refclock       = 27000000,
 298 };
 299
 300
 301 /* check for mutex FIXME */
 302 int az6027_usb_in_op(struct dvb_usb_device *d, u8 req, 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 dvb_usb_rc_key ir_codes_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, fe_sec_voltage_t voltage)
 782 {
 783
 784         u8 buf;
 785         int ret;
 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                 ret = i2c_transfer(&adap->dev->i2c_adap, &i2c_msg, 1);
 804                 break;
 805
 806         case SEC_VOLTAGE_18:
 807                 buf = 2;
 808                 ret = i2c_transfer(&adap->dev->i2c_adap, &i2c_msg, 1);
 809                 break;
 810
 811         case SEC_VOLTAGE_OFF:
 812                 buf = 0;
 813                 ret = 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 = stb0899_attach(&az6027_stb0899_config, &adap->dev->i2c_adap);
 914
 915         if (adap->fe) {
 916                 deb_info("found STB0899 DVB-S/DVB-S2 frontend @0x%02x", az6027_stb0899_config.demod_address);
 917                 if (stb6100_attach(adap->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->ops.set_voltage = az6027_set_voltage;
 920                         az6027_ci_init(adap);
 921                 } else {
 922                         adap->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         int ret;
 958         u16 index;
 959         u16 value;
 960         int length;
 961         u8 req;
 962         u8 *data;
 963
 964         data = kmalloc(256, GFP_KERNEL);
 965         if (!data)
 966                 return -ENOMEM;
 967
 968         if (mutex_lock_interruptible(&d->i2c_mutex) < 0) {
 969                 kfree(data);
 970                 return -EAGAIN;
 971         }
 972
 973         if (num > 2)
 974                 warn("more than 2 i2c messages at a time is not handled yet. TODO.");
 975
 976         for (i = 0; i < num; i++) {
 977
 978                 if (msg[i].addr == 0x99) {
 979                         req = 0xBE;
 980                         index = 0;
 981                         value = msg[i].buf[0] & 0x00ff;
 982                         length = 1;
 983                         az6027_usb_out_op(d, req, value, index, data, length);
 984                 }
 985
 986                 if (msg[i].addr == 0xd0) {
 987                         /* write/read request */
 988                         if (i + 1 < num && (msg[i + 1].flags & I2C_M_RD)) {
 989                                 req = 0xB9;
 990                                 index = (((msg[i].buf[0] << 8) & 0xff00) | (msg[i].buf[1] & 0x00ff));
 991                                 value = msg[i].addr + (msg[i].len << 8);
 992                                 length = msg[i + 1].len + 6;
 993                                 ret = az6027_usb_in_op(d, req, value, index, data, length);
 994                                 len = msg[i + 1].len;
 995                                 for (j = 0; j < len; j++)
 996                                         msg[i + 1].buf[j] = data[j + 5];
 997
 998                                 i++;
 999                         } else {
1000
1001                                 /* demod 16bit addr */
1002                                 req = 0xBD;
1003                                 index = (((msg[i].buf[0] << 8) & 0xff00) | (msg[i].buf[1] & 0x00ff));
1004                                 value = msg[i].addr + (2 << 8);
1005                                 length = msg[i].len - 2;
1006                                 len = msg[i].len - 2;
1007                                 for (j = 0; j < len; j++)
1008                                         data[j] = msg[i].buf[j + 2];
1009                                 az6027_usb_out_op(d, req, value, index, data, length);
1010                         }
1011                 }
1012
1013                 if (msg[i].addr == 0xc0) {
1014                         if (msg[i].flags & I2C_M_RD) {
1015
1016                                 req = 0xB9;
1017                                 index = 0x0;
1018                                 value = msg[i].addr;
1019                                 length = msg[i].len + 6;
1020                                 ret = az6027_usb_in_op(d, req, value, index, data, length);
1021                                 len = msg[i].len;
1022                                 for (j = 0; j < len; j++)
1023                                         msg[i].buf[j] = data[j + 5];
1024
1025                         } else {
1026
1027                                 req = 0xBD;
1028                                 index = msg[i].buf[0] & 0x00FF;
1029                                 value = msg[i].addr + (1 << 8);
1030                                 length = msg[i].len - 1;
1031                                 len = msg[i].len - 1;
1032
1033                                 for (j = 0; j < len; j++)
1034                                         data[j] = msg[i].buf[j + 1];
1035
1036                                 az6027_usb_out_op(d, req, value, index, data, length);
1037                         }
1038                 }
1039         }
1040         mutex_unlock(&d->i2c_mutex);
1041         kfree(data);
1042
1043         return i;
1044 }
1045
1046
1047 static u32 az6027_i2c_func(struct i2c_adapter *adapter)
1048 {
1049         return I2C_FUNC_I2C;
1050 }
1051
1052 static struct i2c_algorithm az6027_i2c_algo = {
1053         .master_xfer   = az6027_i2c_xfer,
1054         .functionality = az6027_i2c_func,
1055 };
1056
1057 int az6027_identify_state(struct usb_device *udev,
1058                           struct dvb_usb_device_properties *props,
1059                           struct dvb_usb_device_description **desc,
1060                           int *cold)
1061 {
1062         u8 *b;
1063         s16 ret;
1064
1065         b = kmalloc(16, GFP_KERNEL);
1066         if (!b)
1067                 return -ENOMEM;
1068
1069         ret = usb_control_msg(udev,
1070                                   usb_rcvctrlpipe(udev, 0),
1071                                   0xb7,
1072                                   USB_TYPE_VENDOR | USB_DIR_IN,
1073                                   6,
1074                                   0,
1075                                   b,
1076                                   6,
1077                                   USB_CTRL_GET_TIMEOUT);
1078
1079         *cold = ret <= 0;
1080         kfree(b);
1081         deb_info("cold: %d\n", *cold);
1082         return 0;
1083 }
1084
1085
1086 static struct usb_device_id az6027_usb_table[] = {
1087         { USB_DEVICE(USB_VID_AZUREWAVE, USB_PID_AZUREWAVE_AZ6027) },
1088         { USB_DEVICE(USB_VID_TERRATEC,  USB_PID_TERRATEC_DVBS2CI_V1) },
1089         { USB_DEVICE(USB_VID_TERRATEC,  USB_PID_TERRATEC_DVBS2CI_V2) },
1090         { USB_DEVICE(USB_VID_TECHNISAT, USB_PID_TECHNISAT_USB2_HDCI_V1) },
1091         { USB_DEVICE(USB_VID_TECHNISAT, USB_PID_TECHNISAT_USB2_HDCI_V2) },
1092         { },
1093 };
1094
1095 MODULE_DEVICE_TABLE(usb, az6027_usb_table);
1096
1097 static struct dvb_usb_device_properties az6027_properties = {
1098         .caps = DVB_USB_IS_AN_I2C_ADAPTER,
1099         .usb_ctrl = CYPRESS_FX2,
1100         .firmware            = "dvb-usb-az6027-03.fw",
1101         .no_reconnect        = 1,
1102
1103         .size_of_priv     = sizeof(struct az6027_device_state),
1104         .identify_state         = az6027_identify_state,
1105         .num_adapters = 1,
1106         .adapter = {
1107                 {
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         .power_ctrl       = az6027_power_ctrl,
1126         .read_mac_address = az6027_read_mac_addr,
1127  */
1128         .rc_key_map       = ir_codes_az6027_table,
1129         .rc_key_map_size  = ARRAY_SIZE(ir_codes_az6027_table),
1130         .rc_interval      = 400,
1131         .rc_query         = az6027_rc_query,
1132         .i2c_algo         = &az6027_i2c_algo,
1133
1134         .num_device_descs = 5,
1135         .devices = {
1136                 {
1137                         .name = "AZUREWAVE DVB-S/S2 USB2.0 (AZ6027)",
1138                         .cold_ids = { &az6027_usb_table[0], NULL },
1139                         .warm_ids = { NULL },
1140                 }, {
1141                         .name = "TERRATEC S7",
1142                         .cold_ids = { &az6027_usb_table[1], NULL },
1143                         .warm_ids = { NULL },
1144                 }, {
1145                         .name = "TERRATEC S7 MKII",
1146                         .cold_ids = { &az6027_usb_table[2], NULL },
1147                         .warm_ids = { NULL },
1148                 }, {
1149                         .name = "Technisat SkyStar USB 2 HD CI",
1150                         .cold_ids = { &az6027_usb_table[3], NULL },
1151                         .warm_ids = { NULL },
1152                 }, {
1153                         .name = "Technisat SkyStar USB 2 HD CI",
1154                         .cold_ids = { &az6027_usb_table[4], NULL },
1155                         .warm_ids = { NULL },
1156                 },
1157                 { NULL },
1158         }
1159 };
1160
1161 /* usb specific object needed to register this driver with the usb subsystem */
1162 static struct usb_driver az6027_usb_driver = {
1163         .name           = "dvb_usb_az6027",
1164         .probe          = az6027_usb_probe,
1165         .disconnect     = az6027_usb_disconnect,
1166         .id_table       = az6027_usb_table,
1167 };
1168
1169 /* module stuff */
1170 static int __init az6027_usb_module_init(void)
1171 {
1172         int result;
1173
1174         result = usb_register(&az6027_usb_driver);
1175         if (result) {
1176                 err("usb_register failed. (%d)", result);
1177                 return result;
1178         }
1179
1180         return 0;
1181 }
1182
1183 static void __exit az6027_usb_module_exit(void)
1184 {
1185         /* deregister this driver from the USB subsystem */
1186         usb_deregister(&az6027_usb_driver);
1187 }
1188
1189 module_init(az6027_usb_module_init);
1190 module_exit(az6027_usb_module_exit);
1191
1192 MODULE_AUTHOR("Adams Xu <Adams.xu@azwave.com.cn>");
1193 MODULE_DESCRIPTION("Driver for AZUREWAVE DVB-S/S2 USB2.0 (AZ6027)");
1194 MODULE_VERSION("1.0");
1195 MODULE_LICENSE("GPL");