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

   1 /*
   2  * $Id: cx88-dvb.c,v 1.54 2005/07/25 05:13:50 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                             u8* pllbuf)
 213 {
 214         struct cx8802_dev *dev= fe->dvb->priv;
 215
 216         pllbuf[0] = dev->core->pll_addr;
 217         dvb_pll_configure(dev->core->pll_desc, &pllbuf[1],
 218                           params->frequency, 0);
 219         return 0;
 220 }
 221
 222 static int lgdt330x_pll_rf_set(struct dvb_frontend* fe, int index)
 223 {
 224         struct cx8802_dev *dev= fe->dvb->priv;
 225         struct cx88_core *core = dev->core;
 226
 227         dprintk(1, "%s: index = %d\n", __FUNCTION__, index);
 228         if (index == 0)
 229                 cx_clear(MO_GP0_IO, 8);
 230         else
 231                 cx_set(MO_GP0_IO, 8);
 232         return 0;
 233 }
 234
 235 static int lgdt330x_set_ts_param(struct dvb_frontend* fe, int is_punctured)
 236 {
 237         struct cx8802_dev *dev= fe->dvb->priv;
 238         if (is_punctured)
 239                 dev->ts_gen_cntrl |= 0x04;
 240         else
 241                 dev->ts_gen_cntrl &= ~0x04;
 242         return 0;
 243 }
 244
 245 static struct lgdt330x_config fusionhdtv_3_gold = {
 246         .demod_address    = 0x0e,
 247         .pll_set          = lgdt330x_pll_set,
 248         .set_ts_params    = lgdt330x_set_ts_param,
 249 };
 250 #endif
 251
 252 static int dvb_register(struct cx8802_dev *dev)
 253 {
 254         /* init struct videobuf_dvb */
 255         dev->dvb.name = dev->core->name;
 256         dev->ts_gen_cntrl = 0x0c;
 257
 258         /* init frontend */
 259         switch (dev->core->board) {
 260 #ifdef HAVE_CX22702
 261         case CX88_BOARD_HAUPPAUGE_DVB_T1:
 262                 dev->dvb.frontend = cx22702_attach(&hauppauge_novat_config,
 263                                                    &dev->core->i2c_adap);
 264                 break;
 265         case CX88_BOARD_TERRATEC_CINERGY_1400_DVB_T1:
 266         case CX88_BOARD_CONEXANT_DVB_T1:
 267                 dev->dvb.frontend = cx22702_attach(&connexant_refboard_config,
 268                                                    &dev->core->i2c_adap);
 269                 break;
 270 #endif
 271 #ifdef HAVE_MT352
 272         case CX88_BOARD_DVICO_FUSIONHDTV_DVB_T1:
 273                 dev->core->pll_addr = 0x61;
 274                 dev->core->pll_desc = &dvb_pll_lg_z201;
 275                 dev->dvb.frontend = mt352_attach(&dvico_fusionhdtv,
 276                                                  &dev->core->i2c_adap);
 277                 break;
 278         case CX88_BOARD_DVICO_FUSIONHDTV_DVB_T_PLUS:
 279                 dev->core->pll_addr = 0x60;
 280                 dev->core->pll_desc = &dvb_pll_thomson_dtt7579;
 281                 dev->dvb.frontend = mt352_attach(&dvico_fusionhdtv,
 282                                                  &dev->core->i2c_adap);
 283                 break;
 284         case CX88_BOARD_KWORLD_DVB_T:
 285         case CX88_BOARD_DNTV_LIVE_DVB_T:
 286         case CX88_BOARD_ADSTECH_DVB_T_PCI:
 287                 dev->core->pll_addr = 0x61;
 288                 dev->core->pll_desc = &dvb_pll_unknown_1;
 289                 dev->dvb.frontend = mt352_attach(&dntv_live_dvbt_config,
 290                                                  &dev->core->i2c_adap);
 291                 break;
 292 #endif
 293 #ifdef HAVE_OR51132
 294         case CX88_BOARD_PCHDTV_HD3000:
 295                 dev->dvb.frontend = or51132_attach(&pchdtv_hd3000,
 296                                                  &dev->core->i2c_adap);
 297                 break;
 298 #endif
 299 #ifdef HAVE_LGDT330X
 300         case CX88_BOARD_DVICO_FUSIONHDTV_3_GOLD_Q:
 301                 dev->ts_gen_cntrl = 0x08;
 302                 {
 303                 /* Do a hardware reset of chip before using it. */
 304                 struct cx88_core *core = dev->core;
 305
 306                 cx_clear(MO_GP0_IO, 1);
 307                 mdelay(100);
 308                 cx_set(MO_GP0_IO, 1);
 309                 mdelay(200);
 310
 311                 /* Select RF connector callback */
 312                 fusionhdtv_3_gold.pll_rf_set = lgdt330x_pll_rf_set;
 313                 dev->core->pll_addr = 0x61;
 314                 dev->core->pll_desc = &dvb_pll_microtune_4042;
 315                 dev->dvb.frontend = lgdt330x_attach(&fusionhdtv_3_gold,
 316                                                     &dev->core->i2c_adap);
 317                 }
 318                 break;
 319         case CX88_BOARD_DVICO_FUSIONHDTV_3_GOLD_T:
 320                 dev->ts_gen_cntrl = 0x08;
 321                 {
 322                 /* Do a hardware reset of chip before using it. */
 323                 struct cx88_core *core = dev->core;
 324
 325                 cx_clear(MO_GP0_IO, 1);
 326                 mdelay(100);
 327                 cx_set(MO_GP0_IO, 9);
 328                 mdelay(200);
 329                 dev->core->pll_addr = 0x61;
 330                 dev->core->pll_desc = &dvb_pll_thomson_dtt7611;
 331                 dev->dvb.frontend = lgdt330x_attach(&fusionhdtv_3_gold,
 332                                                     &dev->core->i2c_adap);
 333                 }
 334                 break;
 335 #endif
 336         default:
 337                 printk("%s: The frontend of your DVB/ATSC card isn't supported yet\n",
 338                        dev->core->name);
 339                 break;
 340         }
 341         if (NULL == dev->dvb.frontend) {
 342                 printk("%s: frontend initialization failed\n",dev->core->name);
 343                 return -1;
 344         }
 345
 346         if (dev->core->pll_desc) {
 347                 dev->dvb.frontend->ops->info.frequency_min = dev->core->pll_desc->min;
 348                 dev->dvb.frontend->ops->info.frequency_max = dev->core->pll_desc->max;
 349         }
 350
 351         /* Copy the board name into the DVB structure */
 352         strlcpy(dev->dvb.frontend->ops->info.name,
 353                 cx88_boards[dev->core->board].name,
 354                 sizeof(dev->dvb.frontend->ops->info.name));
 355
 356         /* register everything */
 357         return videobuf_dvb_register(&dev->dvb, THIS_MODULE, dev);
 358 }
 359
 360 /* ----------------------------------------------------------- */
 361
 362 static int __devinit dvb_probe(struct pci_dev *pci_dev,
 363                                const struct pci_device_id *pci_id)
 364 {
 365         struct cx8802_dev *dev;
 366         struct cx88_core  *core;
 367         int err;
 368
 369         /* general setup */
 370         core = cx88_core_get(pci_dev);
 371         if (NULL == core)
 372                 return -EINVAL;
 373
 374         err = -ENODEV;
 375         if (!cx88_boards[core->board].dvb)
 376                 goto fail_core;
 377
 378         err = -ENOMEM;
 379         dev = kmalloc(sizeof(*dev),GFP_KERNEL);
 380         if (NULL == dev)
 381                 goto fail_core;
 382         memset(dev,0,sizeof(*dev));
 383         dev->pci = pci_dev;
 384         dev->core = core;
 385
 386         err = cx8802_init_common(dev);
 387         if (0 != err)
 388                 goto fail_free;
 389
 390         /* dvb stuff */
 391         printk("%s/2: cx2388x based dvb card\n", core->name);
 392         videobuf_queue_init(&dev->dvb.dvbq, &dvb_qops,
 393                             dev->pci, &dev->slock,
 394                             V4L2_BUF_TYPE_VIDEO_CAPTURE,
 395                             V4L2_FIELD_TOP,
 396                             sizeof(struct cx88_buffer),
 397                             dev);
 398         err = dvb_register(dev);
 399         if (0 != err)
 400                 goto fail_fini;
 401         return 0;
 402
 403  fail_fini:
 404         cx8802_fini_common(dev);
 405  fail_free:
 406         kfree(dev);
 407  fail_core:
 408         cx88_core_put(core,pci_dev);
 409         return err;
 410 }
 411
 412 static void __devexit dvb_remove(struct pci_dev *pci_dev)
 413 {
 414         struct cx8802_dev *dev = pci_get_drvdata(pci_dev);
 415
 416         /* dvb */
 417         videobuf_dvb_unregister(&dev->dvb);
 418
 419         /* common */
 420         cx8802_fini_common(dev);
 421         cx88_core_put(dev->core,dev->pci);
 422         kfree(dev);
 423 }
 424
 425 static struct pci_device_id cx8802_pci_tbl[] = {
 426         {
 427                 .vendor       = 0x14f1,
 428                 .device       = 0x8802,
 429                 .subvendor    = PCI_ANY_ID,
 430                 .subdevice    = PCI_ANY_ID,
 431         },{
 432                 /* --- end of list --- */
 433         }
 434 };
 435 MODULE_DEVICE_TABLE(pci, cx8802_pci_tbl);
 436
 437 static struct pci_driver dvb_pci_driver = {
 438         .name     = "cx88-dvb",
 439         .id_table = cx8802_pci_tbl,
 440         .probe    = dvb_probe,
 441         .remove   = __devexit_p(dvb_remove),
 442         .suspend  = cx8802_suspend_common,
 443         .resume   = cx8802_resume_common,
 444 };
 445
 446 static int dvb_init(void)
 447 {
 448         printk(KERN_INFO "cx2388x dvb driver version %d.%d.%d loaded\n",
 449                (CX88_VERSION_CODE >> 16) & 0xff,
 450                (CX88_VERSION_CODE >>  8) & 0xff,
 451                CX88_VERSION_CODE & 0xff);
 452 #ifdef SNAPSHOT
 453         printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n",
 454                SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
 455 #endif
 456         return pci_register_driver(&dvb_pci_driver);
 457 }
 458
 459 static void dvb_fini(void)
 460 {
 461         pci_unregister_driver(&dvb_pci_driver);
 462 }
 463
 464 module_init(dvb_init);
 465 module_exit(dvb_fini);
 466
 467 /*
 468  * Local variables:
 469  * c-basic-offset: 8
 470  * compile-command: "make DVB=1"
 471  * End:
 472  */