drivers/media/video/cx88/cx88-dvb.c

   1 /*
   2  * $Id: cx88-dvb.c,v 1.58 2005/08/07 09:24:08 mkrufky Exp $
   3  *
   4  * device driver for Conexant 2388x based TV cards
   5  * MPEG Transport Stream (DVB) routines
   6  *
   7  * (c) 2004 Chris Pascoe <c.pascoe@itee.uq.edu.au>
   8  * (c) 2004 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
   9  *
  10  *  This program is free software; you can redistribute it and/or modify
  11  *  it under the terms of the GNU General Public License as published by
  12  *  the Free Software Foundation; either version 2 of the License, or
  13  *  (at your option) any later version.
  14  *
  15  *  This program is distributed in the hope that it will be useful,
  16  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  *  GNU General Public License for more details.
  19  *
  20  *  You should have received a copy of the GNU General Public License
  21  *  along with this program; if not, write to the Free Software
  22  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  23  */
  24
  25 #include <linux/module.h>
  26 #include <linux/init.h>
  27 #include <linux/device.h>
  28 #include <linux/fs.h>
  29 #include <linux/kthread.h>
  30 #include <linux/file.h>
  31 #include <linux/suspend.h>
  32 #include <linux/config.h>
  33
  34 #include "cx88.h"
  35 #include "dvb-pll.h"
  36
  37 #ifdef HAVE_MT352
  38 # include "mt352.h"
  39 # include "mt352_priv.h"
  40 #endif
  41 #ifdef HAVE_CX22702
  42 # include "cx22702.h"
  43 #endif
  44 #ifdef HAVE_OR51132
  45 # include "or51132.h"
  46 #endif
  47 #ifdef HAVE_LGDT330X
  48 # include "lgdt330x.h"
  49 #endif
  50
  51 MODULE_DESCRIPTION("driver for cx2388x based DVB cards");
  52 MODULE_AUTHOR("Chris Pascoe <c.pascoe@itee.uq.edu.au>");
  53 MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
  54 MODULE_LICENSE("GPL");
  55
  56 static unsigned int debug = 0;
  57 module_param(debug, int, 0644);
  58 MODULE_PARM_DESC(debug,"enable debug messages [dvb]");
  59
  60 #define dprintk(level,fmt, arg...)      if (debug >= level) \
  61         printk(KERN_DEBUG "%s/2-dvb: " fmt, dev->core->name , ## arg)
  62
  63 /* ------------------------------------------------------------------ */
  64
  65 static int dvb_buf_setup(struct videobuf_queue *q,
  66                          unsigned int *count, unsigned int *size)
  67 {
  68         struct cx8802_dev *dev = q->priv_data;
  69
  70         dev->ts_packet_size  = 188 * 4;
  71         dev->ts_packet_count = 32;
  72
  73         *size  = dev->ts_packet_size * dev->ts_packet_count;
  74         *count = 32;
  75         return 0;
  76 }
  77
  78 static int dvb_buf_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
  79                            enum v4l2_field field)
  80 {
  81         struct cx8802_dev *dev = q->priv_data;
  82         return cx8802_buf_prepare(dev, (struct cx88_buffer*)vb);
  83 }
  84
  85 static void dvb_buf_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
  86 {
  87         struct cx8802_dev *dev = q->priv_data;
  88         cx8802_buf_queue(dev, (struct cx88_buffer*)vb);
  89 }
  90
  91 static void dvb_buf_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
  92 {
  93         struct cx8802_dev *dev = q->priv_data;
  94         cx88_free_buffer(dev->pci, (struct cx88_buffer*)vb);
  95 }
  96
  97 static struct videobuf_queue_ops dvb_qops = {
  98         .buf_setup    = dvb_buf_setup,
  99         .buf_prepare  = dvb_buf_prepare,
 100         .buf_queue    = dvb_buf_queue,
 101         .buf_release  = dvb_buf_release,
 102 };
 103
 104 /* ------------------------------------------------------------------ */
 105
 106 #ifdef HAVE_MT352
 107 static int dvico_fusionhdtv_demod_init(struct dvb_frontend* fe)
 108 {
 109         static u8 clock_config []  = { CLOCK_CTL,  0x38, 0x39 };
 110         static u8 reset []         = { RESET,      0x80 };
 111         static u8 adc_ctl_1_cfg [] = { ADC_CTL_1,  0x40 };
 112         static u8 agc_cfg []       = { AGC_TARGET, 0x24, 0x20 };
 113         static u8 gpp_ctl_cfg []   = { GPP_CTL,    0x33 };
 114         static u8 capt_range_cfg[] = { CAPT_RANGE, 0x32 };
 115
 116         mt352_write(fe, clock_config,   sizeof(clock_config));
 117         udelay(200);
 118         mt352_write(fe, reset,          sizeof(reset));
 119         mt352_write(fe, adc_ctl_1_cfg,  sizeof(adc_ctl_1_cfg));
 120
 121         mt352_write(fe, agc_cfg,        sizeof(agc_cfg));
 122         mt352_write(fe, gpp_ctl_cfg,    sizeof(gpp_ctl_cfg));
 123         mt352_write(fe, capt_range_cfg, sizeof(capt_range_cfg));
 124         return 0;
 125 }
 126
 127 static int dntv_live_dvbt_demod_init(struct dvb_frontend* fe)
 128 {
 129         static u8 clock_config []  = { 0x89, 0x38, 0x39 };
 130         static u8 reset []         = { 0x50, 0x80 };
 131         static u8 adc_ctl_1_cfg [] = { 0x8E, 0x40 };
 132         static u8 agc_cfg []       = { 0x67, 0x10, 0x23, 0x00, 0xFF, 0xFF,
 133                                        0x00, 0xFF, 0x00, 0x40, 0x40 };
 134         static u8 dntv_extra[]     = { 0xB5, 0x7A };
 135         static u8 capt_range_cfg[] = { 0x75, 0x32 };
 136
 137         mt352_write(fe, clock_config,   sizeof(clock_config));
 138         udelay(2000);
 139         mt352_write(fe, reset,          sizeof(reset));
 140         mt352_write(fe, adc_ctl_1_cfg,  sizeof(adc_ctl_1_cfg));
 141
 142         mt352_write(fe, agc_cfg,        sizeof(agc_cfg));
 143         udelay(2000);
 144         mt352_write(fe, dntv_extra,     sizeof(dntv_extra));
 145         mt352_write(fe, capt_range_cfg, sizeof(capt_range_cfg));
 146
 147         return 0;
 148 }
 149
 150 static int mt352_pll_set(struct dvb_frontend* fe,
 151                          struct dvb_frontend_parameters* params,
 152                          u8* pllbuf)
 153 {
 154         struct cx8802_dev *dev= fe->dvb->priv;
 155
 156         pllbuf[0] = dev->core->pll_addr << 1;
 157         dvb_pll_configure(dev->core->pll_desc, pllbuf+1,
 158                           params->frequency,
 159                           params->u.ofdm.bandwidth);
 160         return 0;
 161 }
 162
 163 static struct mt352_config dvico_fusionhdtv = {
 164         .demod_address = 0x0F,
 165         .demod_init    = dvico_fusionhdtv_demod_init,
 166         .pll_set       = mt352_pll_set,
 167 };
 168
 169 static struct mt352_config dntv_live_dvbt_config = {
 170         .demod_address = 0x0f,
 171         .demod_init    = dntv_live_dvbt_demod_init,
 172         .pll_set       = mt352_pll_set,
 173 };
 174 #endif
 175
 176 #ifdef HAVE_CX22702
 177 static struct cx22702_config connexant_refboard_config = {
 178         .demod_address = 0x43,
 179         .output_mode   = CX22702_SERIAL_OUTPUT,
 180         .pll_address   = 0x60,
 181         .pll_desc      = &dvb_pll_thomson_dtt7579,
 182 };
 183
 184 static struct cx22702_config hauppauge_novat_config = {
 185         .demod_address = 0x43,
 186         .output_mode   = CX22702_SERIAL_OUTPUT,
 187         .pll_address   = 0x61,
 188         .pll_desc      = &dvb_pll_thomson_dtt759x,
 189 };
 190 #endif
 191
 192 #ifdef HAVE_OR51132
 193 static int or51132_set_ts_param(struct dvb_frontend* fe,
 194                                 int is_punctured)
 195 {
 196         struct cx8802_dev *dev= fe->dvb->priv;
 197         dev->ts_gen_cntrl = is_punctured ? 0x04 : 0x00;
 198         return 0;
 199 }
 200
 201 static struct or51132_config pchdtv_hd3000 = {
 202         .demod_address    = 0x15,
 203         .pll_address      = 0x61,
 204         .pll_desc         = &dvb_pll_thomson_dtt7610,
 205         .set_ts_params    = or51132_set_ts_param,
 206 };
 207 #endif
 208
 209 #ifdef HAVE_LGDT330X
 210 static int lgdt330x_pll_set(struct dvb_frontend* fe,
 211                             struct dvb_frontend_parameters* params)
 212 {
 213         struct cx8802_dev *dev= fe->dvb->priv;
 214         u8 buf[4];
 215         struct i2c_msg msg =
 216                 { .addr = dev->core->pll_addr, .flags = 0, .buf = buf, .len = 4 };
 217         int err;
 218
 219         dvb_pll_configure(dev->core->pll_desc, buf, params->frequency, 0);
 220         dprintk(1, "%s: tuner at 0x%02x bytes: 0x%02x 0x%02x 0x%02x 0x%02x\n",
 221                         __FUNCTION__, msg.addr, buf[0],buf[1],buf[2],buf[3]);
 222         if ((err = i2c_transfer(&dev->core->i2c_adap, &msg, 1)) != 1) {
 223                 printk(KERN_WARNING "cx88-dvb: %s error "
 224                            "(addr %02x <- %02x, err = %i)\n",
 225                            __FUNCTION__, buf[0], buf[1], err);
 226                 if (err < 0)
 227                         return err;
 228                 else
 229                         return -EREMOTEIO;
 230         }
 231         return 0;
 232 }
 233
 234 static int lgdt330x_pll_rf_set(struct dvb_frontend* fe, int index)
 235 {
 236         struct cx8802_dev *dev= fe->dvb->priv;
 237         struct cx88_core *core = dev->core;
 238
 239         dprintk(1, "%s: index = %d\n", __FUNCTION__, index);
 240         if (index == 0)
 241                 cx_clear(MO_GP0_IO, 8);
 242         else
 243                 cx_set(MO_GP0_IO, 8);
 244         return 0;
 245 }
 246
 247 static int lgdt330x_set_ts_param(struct dvb_frontend* fe, int is_punctured)
 248 {
 249         struct cx8802_dev *dev= fe->dvb->priv;
 250         if (is_punctured)
 251                 dev->ts_gen_cntrl |= 0x04;
 252         else
 253                 dev->ts_gen_cntrl &= ~0x04;
 254         return 0;
 255 }
 256
 257 static struct lgdt330x_config fusionhdtv_3_gold = {
 258         .demod_address    = 0x0e,
 259         .demod_chip       = LGDT3302,
 260         .serial_mpeg      = 0x04, /* TPSERIAL for 3302 in TOP_CONTROL */
 261         .pll_set          = lgdt330x_pll_set,
 262         .set_ts_params    = lgdt330x_set_ts_param,
 263 };
 264 #endif
 265
 266 static int dvb_register(struct cx8802_dev *dev)
 267 {
 268         /* init struct videobuf_dvb */
 269         dev->dvb.name = dev->core->name;
 270         dev->ts_gen_cntrl = 0x0c;
 271
 272         /* init frontend */
 273         switch (dev->core->board) {
 274 #ifdef HAVE_CX22702
 275         case CX88_BOARD_HAUPPAUGE_DVB_T1:
 276                 dev->dvb.frontend = cx22702_attach(&hauppauge_novat_config,
 277                                                    &dev->core->i2c_adap);
 278                 break;
 279         case CX88_BOARD_TERRATEC_CINERGY_1400_DVB_T1:
 280         case CX88_BOARD_CONEXANT_DVB_T1:
 281                 dev->dvb.frontend = cx22702_attach(&connexant_refboard_config,
 282                                                    &dev->core->i2c_adap);
 283                 break;
 284 #endif
 285 #ifdef HAVE_MT352
 286         case CX88_BOARD_DVICO_FUSIONHDTV_DVB_T1:
 287                 dev->core->pll_addr = 0x61;
 288                 dev->core->pll_desc = &dvb_pll_lg_z201;
 289                 dev->dvb.frontend = mt352_attach(&dvico_fusionhdtv,
 290                                                  &dev->core->i2c_adap);
 291                 break;
 292         case CX88_BOARD_DVICO_FUSIONHDTV_DVB_T_PLUS:
 293                 dev->core->pll_addr = 0x60;
 294                 dev->core->pll_desc = &dvb_pll_thomson_dtt7579;
 295                 dev->dvb.frontend = mt352_attach(&dvico_fusionhdtv,
 296                                                  &dev->core->i2c_adap);
 297                 break;
 298         case CX88_BOARD_KWORLD_DVB_T:
 299         case CX88_BOARD_DNTV_LIVE_DVB_T:
 300         case CX88_BOARD_ADSTECH_DVB_T_PCI:
 301                 dev->core->pll_addr = 0x61;
 302                 dev->core->pll_desc = &dvb_pll_unknown_1;
 303                 dev->dvb.frontend = mt352_attach(&dntv_live_dvbt_config,
 304                                                  &dev->core->i2c_adap);
 305                 break;
 306 #endif
 307 #ifdef HAVE_OR51132
 308         case CX88_BOARD_PCHDTV_HD3000:
 309                 dev->dvb.frontend = or51132_attach(&pchdtv_hd3000,
 310                                                  &dev->core->i2c_adap);
 311                 break;
 312 #endif
 313 #ifdef HAVE_LGDT330X
 314         case CX88_BOARD_DVICO_FUSIONHDTV_3_GOLD_Q:
 315                 dev->ts_gen_cntrl = 0x08;
 316                 {
 317                 /* Do a hardware reset of chip before using it. */
 318                 struct cx88_core *core = dev->core;
 319
 320                 cx_clear(MO_GP0_IO, 1);
 321                 mdelay(100);
 322                 cx_set(MO_GP0_IO, 1);
 323                 mdelay(200);
 324
 325                 /* Select RF connector callback */
 326                 fusionhdtv_3_gold.pll_rf_set = lgdt330x_pll_rf_set;
 327                 dev->core->pll_addr = 0x61;
 328                 dev->core->pll_desc = &dvb_pll_microtune_4042;
 329                 dev->dvb.frontend = lgdt330x_attach(&fusionhdtv_3_gold,
 330                                                     &dev->core->i2c_adap);
 331                 }
 332                 break;
 333         case CX88_BOARD_DVICO_FUSIONHDTV_3_GOLD_T:
 334                 dev->ts_gen_cntrl = 0x08;
 335                 {
 336                 /* Do a hardware reset of chip before using it. */
 337                 struct cx88_core *core = dev->core;
 338
 339                 cx_clear(MO_GP0_IO, 1);
 340                 mdelay(100);
 341                 cx_set(MO_GP0_IO, 9);
 342                 mdelay(200);
 343                 dev->core->pll_addr = 0x61;
 344                 dev->core->pll_desc = &dvb_pll_thomson_dtt7611;
 345                 dev->dvb.frontend = lgdt330x_attach(&fusionhdtv_3_gold,
 346                                                     &dev->core->i2c_adap);
 347                 }
 348                 break;
 349 #endif
 350         default:
 351                 printk("%s: The frontend of your DVB/ATSC card isn't supported yet\n",
 352                        dev->core->name);
 353                 break;
 354         }
 355         if (NULL == dev->dvb.frontend) {
 356                 printk("%s: frontend initialization failed\n",dev->core->name);
 357                 return -1;
 358         }
 359
 360         if (dev->core->pll_desc) {
 361                 dev->dvb.frontend->ops->info.frequency_min = dev->core->pll_desc->min;
 362                 dev->dvb.frontend->ops->info.frequency_max = dev->core->pll_desc->max;
 363         }
 364
 365         /* Copy the board name into the DVB structure */
 366         strlcpy(dev->dvb.frontend->ops->info.name,
 367                 cx88_boards[dev->core->board].name,
 368                 sizeof(dev->dvb.frontend->ops->info.name));
 369
 370         /* register everything */
 371         return videobuf_dvb_register(&dev->dvb, THIS_MODULE, dev);
 372 }
 373
 374 /* ----------------------------------------------------------- */
 375
 376 static int __devinit dvb_probe(struct pci_dev *pci_dev,
 377                                const struct pci_device_id *pci_id)
 378 {
 379         struct cx8802_dev *dev;
 380         struct cx88_core  *core;
 381         int err;
 382
 383         /* general setup */
 384         core = cx88_core_get(pci_dev);
 385         if (NULL == core)
 386                 return -EINVAL;
 387
 388         err = -ENODEV;
 389         if (!cx88_boards[core->board].dvb)
 390                 goto fail_core;
 391
 392         err = -ENOMEM;
 393         dev = kmalloc(sizeof(*dev),GFP_KERNEL);
 394         if (NULL == dev)
 395                 goto fail_core;
 396         memset(dev,0,sizeof(*dev));
 397         dev->pci = pci_dev;
 398         dev->core = core;
 399
 400         err = cx8802_init_common(dev);
 401         if (0 != err)
 402                 goto fail_free;
 403
 404         /* dvb stuff */
 405         printk("%s/2: cx2388x based dvb card\n", core->name);
 406         videobuf_queue_init(&dev->dvb.dvbq, &dvb_qops,
 407                             dev->pci, &dev->slock,
 408                             V4L2_BUF_TYPE_VIDEO_CAPTURE,
 409                             V4L2_FIELD_TOP,
 410                             sizeof(struct cx88_buffer),
 411                             dev);
 412         err = dvb_register(dev);
 413         if (0 != err)
 414                 goto fail_fini;
 415         return 0;
 416
 417  fail_fini:
 418         cx8802_fini_common(dev);
 419  fail_free:
 420         kfree(dev);
 421  fail_core:
 422         cx88_core_put(core,pci_dev);
 423         return err;
 424 }
 425
 426 static void __devexit dvb_remove(struct pci_dev *pci_dev)
 427 {
 428         struct cx8802_dev *dev = pci_get_drvdata(pci_dev);
 429
 430         /* dvb */
 431         videobuf_dvb_unregister(&dev->dvb);
 432
 433         /* common */
 434         cx8802_fini_common(dev);
 435         cx88_core_put(dev->core,dev->pci);
 436         kfree(dev);
 437 }
 438
 439 static struct pci_device_id cx8802_pci_tbl[] = {
 440         {
 441                 .vendor       = 0x14f1,
 442                 .device       = 0x8802,
 443                 .subvendor    = PCI_ANY_ID,
 444                 .subdevice    = PCI_ANY_ID,
 445         },{
 446                 /* --- end of list --- */
 447         }
 448 };
 449 MODULE_DEVICE_TABLE(pci, cx8802_pci_tbl);
 450
 451 static struct pci_driver dvb_pci_driver = {
 452         .name     = "cx88-dvb",
 453         .id_table = cx8802_pci_tbl,
 454         .probe    = dvb_probe,
 455         .remove   = __devexit_p(dvb_remove),
 456         .suspend  = cx8802_suspend_common,
 457         .resume   = cx8802_resume_common,
 458 };
 459
 460 static int dvb_init(void)
 461 {
 462         printk(KERN_INFO "cx2388x dvb driver version %d.%d.%d loaded\n",
 463                (CX88_VERSION_CODE >> 16) & 0xff,
 464                (CX88_VERSION_CODE >>  8) & 0xff,
 465                CX88_VERSION_CODE & 0xff);
 466 #ifdef SNAPSHOT
 467         printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n",
 468                SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
 469 #endif
 470         return pci_register_driver(&dvb_pci_driver);
 471 }
 472
 473 static void dvb_fini(void)
 474 {
 475         pci_unregister_driver(&dvb_pci_driver);
 476 }
 477
 478 module_init(dvb_init);
 479 module_exit(dvb_fini);
 480
 481 /*
 482  * Local variables:
 483  * c-basic-offset: 8
 484  * compile-command: "make DVB=1"
 485  * End:
 486  */