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

   1 /*
   2  * $Id: cx88-dvb.c,v 1.39 2005/07/02 20:00:46 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
  33 /* these three frontends need merging via linuxtv cvs ... */
  34 #define HAVE_CX22702 1
  35 #define HAVE_OR51132 1
  36 #define HAVE_LGDT3302 1
  37
  38 #include "cx88.h"
  39 #include "dvb-pll.h"
  40 #include "mt352.h"
  41 #include "mt352_priv.h"
  42 #if HAVE_CX22702
  43 # include "cx22702.h"
  44 #endif
  45 #if HAVE_OR51132
  46 # include "or51132.h"
  47 #endif
  48 #if HAVE_LGDT3302
  49 # include "lgdt3302.h"
  50 #endif
  51
  52 MODULE_DESCRIPTION("driver for cx2388x based DVB cards");
  53 MODULE_AUTHOR("Chris Pascoe <c.pascoe@itee.uq.edu.au>");
  54 MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
  55 MODULE_LICENSE("GPL");
  56
  57 static unsigned int debug = 0;
  58 module_param(debug, int, 0644);
  59 MODULE_PARM_DESC(debug,"enable debug messages [dvb]");
  60
  61 #define dprintk(level,fmt, arg...)      if (debug >= level) \
  62         printk(KERN_DEBUG "%s/2-dvb: " fmt, dev->core->name , ## arg)
  63
  64 /* ------------------------------------------------------------------ */
  65
  66 static int dvb_buf_setup(struct videobuf_queue *q,
  67                          unsigned int *count, unsigned int *size)
  68 {
  69         struct cx8802_dev *dev = q->priv_data;
  70
  71         dev->ts_packet_size  = 188 * 4;
  72         dev->ts_packet_count = 32;
  73
  74         *size  = dev->ts_packet_size * dev->ts_packet_count;
  75         *count = 32;
  76         return 0;
  77 }
  78
  79 static int dvb_buf_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
  80                            enum v4l2_field field)
  81 {
  82         struct cx8802_dev *dev = q->priv_data;
  83         return cx8802_buf_prepare(dev, (struct cx88_buffer*)vb);
  84 }
  85
  86 static void dvb_buf_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
  87 {
  88         struct cx8802_dev *dev = q->priv_data;
  89         cx8802_buf_queue(dev, (struct cx88_buffer*)vb);
  90 }
  91
  92 static void dvb_buf_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
  93 {
  94         struct cx8802_dev *dev = q->priv_data;
  95         cx88_free_buffer(dev->pci, (struct cx88_buffer*)vb);
  96 }
  97
  98 static struct videobuf_queue_ops dvb_qops = {
  99         .buf_setup    = dvb_buf_setup,
 100         .buf_prepare  = dvb_buf_prepare,
 101         .buf_queue    = dvb_buf_queue,
 102         .buf_release  = dvb_buf_release,
 103 };
 104
 105 /* ------------------------------------------------------------------ */
 106
 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
 175 #if HAVE_CX22702
 176 static struct cx22702_config connexant_refboard_config = {
 177         .demod_address = 0x43,
 178         .pll_address   = 0x60,
 179         .pll_desc      = &dvb_pll_thomson_dtt7579,
 180 };
 181
 182 static struct cx22702_config hauppauge_novat_config = {
 183         .demod_address = 0x43,
 184         .pll_address   = 0x61,
 185         .pll_desc      = &dvb_pll_thomson_dtt759x,
 186 };
 187 #endif
 188
 189 #if HAVE_OR51132
 190 static int or51132_set_ts_param(struct dvb_frontend* fe,
 191                                 int is_punctured)
 192 {
 193         struct cx8802_dev *dev= fe->dvb->priv;
 194         dev->ts_gen_cntrl = is_punctured ? 0x04 : 0x00;
 195         return 0;
 196 }
 197
 198 static struct or51132_config pchdtv_hd3000 = {
 199         .demod_address    = 0x15,
 200         .pll_address      = 0x61,
 201         .pll_desc         = &dvb_pll_thomson_dtt7610,
 202         .set_ts_params    = or51132_set_ts_param,
 203 };
 204 #endif
 205
 206 #if HAVE_LGDT3302
 207 static int lgdt3302_set_ts_param(struct dvb_frontend* fe, int is_punctured)
 208 {
 209         struct cx8802_dev *dev= fe->dvb->priv;
 210         if (is_punctured)
 211                 dev->ts_gen_cntrl |= 0x04;
 212         else
 213                 dev->ts_gen_cntrl &= ~0x04;
 214         return 0;
 215 }
 216
 217 static struct lgdt3302_config fusionhdtv_3_gold_q = {
 218         .demod_address    = 0x0e,
 219         .pll_address      = 0x61,
 220         .pll_desc         = &dvb_pll_microtune_4042,
 221         .set_ts_params    = lgdt3302_set_ts_param,
 222 };
 223
 224 static struct lgdt3302_config fusionhdtv_3_gold_t = {
 225         .demod_address    = 0x0e,
 226         .pll_address      = 0x61,
 227         .pll_desc         = &dvb_pll_thomson_dtt7611,
 228         .set_ts_params    = lgdt3302_set_ts_param,
 229 };
 230 #endif
 231
 232 static int dvb_register(struct cx8802_dev *dev)
 233 {
 234         /* init struct videobuf_dvb */
 235         dev->dvb.name = dev->core->name;
 236         dev->ts_gen_cntrl = 0x0c;
 237
 238         /* init frontend */
 239         switch (dev->core->board) {
 240 #if HAVE_CX22702
 241         case CX88_BOARD_HAUPPAUGE_DVB_T1:
 242                 dev->dvb.frontend = cx22702_attach(&hauppauge_novat_config,
 243                                                    &dev->core->i2c_adap);
 244                 break;
 245         case CX88_BOARD_TERRATEC_CINERGY_1400_DVB_T1:
 246         case CX88_BOARD_CONEXANT_DVB_T1:
 247                 dev->dvb.frontend = cx22702_attach(&connexant_refboard_config,
 248                                                    &dev->core->i2c_adap);
 249                 break;
 250 #endif
 251         case CX88_BOARD_DVICO_FUSIONHDTV_DVB_T1:
 252                 dev->core->pll_addr = 0x61;
 253                 dev->core->pll_desc = &dvb_pll_lg_z201;
 254                 dev->dvb.frontend = mt352_attach(&dvico_fusionhdtv,
 255                                                  &dev->core->i2c_adap);
 256                 break;
 257         case CX88_BOARD_DVICO_FUSIONHDTV_DVB_T_PLUS:
 258                 dev->core->pll_addr = 0x60;
 259                 dev->core->pll_desc = &dvb_pll_thomson_dtt7579;
 260                 dev->dvb.frontend = mt352_attach(&dvico_fusionhdtv,
 261                                                  &dev->core->i2c_adap);
 262                 break;
 263         case CX88_BOARD_KWORLD_DVB_T:
 264         case CX88_BOARD_DNTV_LIVE_DVB_T:
 265         case CX88_BOARD_ADSTECH_DVB_T_PCI:
 266                 dev->core->pll_addr = 0x61;
 267                 dev->core->pll_desc = &dvb_pll_unknown_1;
 268                 dev->dvb.frontend = mt352_attach(&dntv_live_dvbt_config,
 269                                                  &dev->core->i2c_adap);
 270                 break;
 271 #if HAVE_OR51132
 272         case CX88_BOARD_PCHDTV_HD3000:
 273                 dev->dvb.frontend = or51132_attach(&pchdtv_hd3000,
 274                                                  &dev->core->i2c_adap);
 275                 break;
 276 #endif
 277 #if HAVE_LGDT3302
 278         case CX88_BOARD_DVICO_FUSIONHDTV_3_GOLD_Q:
 279                 dev->ts_gen_cntrl = 0x08;
 280                 {
 281                 /* Do a hardware reset of chip before using it. */
 282                 struct cx88_core *core = dev->core;
 283
 284                 cx_clear(MO_GP0_IO, 1);
 285                 mdelay(100);
 286                 cx_set(MO_GP0_IO, 9); // ANT connector too FIXME
 287                 mdelay(200);
 288                 dev->dvb.frontend = lgdt3302_attach(&fusionhdtv_3_gold_q,
 289                                                     &dev->core->i2c_adap);
 290                 }
 291                 break;
 292         case CX88_BOARD_DVICO_FUSIONHDTV_3_GOLD_T:
 293                 dev->ts_gen_cntrl = 0x08;
 294                 {
 295                 /* Do a hardware reset of chip before using it. */
 296                 struct cx88_core *core = dev->core;
 297
 298                 cx_clear(MO_GP0_IO, 1);
 299                 mdelay(100);
 300                 cx_set(MO_GP0_IO, 9); /* ANT connector too FIXME */
 301                 mdelay(200);
 302                 dev->dvb.frontend = lgdt3302_attach(&fusionhdtv_3_gold_t,
 303                                                     &dev->core->i2c_adap);
 304                 }
 305                 break;
 306 #endif
 307         default:
 308                 printk("%s: The frontend of your DVB/ATSC card isn't supported yet\n",
 309                        dev->core->name);
 310                 break;
 311         }
 312         if (NULL == dev->dvb.frontend) {
 313                 printk("%s: frontend initialization failed\n",dev->core->name);
 314                 return -1;
 315         }
 316
 317         if (dev->core->pll_desc) {
 318                 dev->dvb.frontend->ops->info.frequency_min = dev->core->pll_desc->min;
 319                 dev->dvb.frontend->ops->info.frequency_max = dev->core->pll_desc->max;
 320         }
 321
 322         /* Copy the board name into the DVB structure */
 323         strlcpy(dev->dvb.frontend->ops->info.name,
 324                 cx88_boards[dev->core->board].name,
 325                 sizeof(dev->dvb.frontend->ops->info.name));
 326
 327         /* register everything */
 328         return videobuf_dvb_register(&dev->dvb, THIS_MODULE, dev);
 329 }
 330
 331 /* ----------------------------------------------------------- */
 332
 333 static int __devinit dvb_probe(struct pci_dev *pci_dev,
 334                                const struct pci_device_id *pci_id)
 335 {
 336         struct cx8802_dev *dev;
 337         struct cx88_core  *core;
 338         int err;
 339
 340         /* general setup */
 341         core = cx88_core_get(pci_dev);
 342         if (NULL == core)
 343                 return -EINVAL;
 344
 345         err = -ENODEV;
 346         if (!cx88_boards[core->board].dvb)
 347                 goto fail_core;
 348
 349         err = -ENOMEM;
 350         dev = kmalloc(sizeof(*dev),GFP_KERNEL);
 351         if (NULL == dev)
 352                 goto fail_core;
 353         memset(dev,0,sizeof(*dev));
 354         dev->pci = pci_dev;
 355         dev->core = core;
 356
 357         err = cx8802_init_common(dev);
 358         if (0 != err)
 359                 goto fail_free;
 360
 361         /* dvb stuff */
 362         printk("%s/2: cx2388x based dvb card\n", core->name);
 363         videobuf_queue_init(&dev->dvb.dvbq, &dvb_qops,
 364                             dev->pci, &dev->slock,
 365                             V4L2_BUF_TYPE_VIDEO_CAPTURE,
 366                             V4L2_FIELD_TOP,
 367                             sizeof(struct cx88_buffer),
 368                             dev);
 369         err = dvb_register(dev);
 370         if (0 != err)
 371                 goto fail_fini;
 372         return 0;
 373
 374  fail_fini:
 375         cx8802_fini_common(dev);
 376  fail_free:
 377         kfree(dev);
 378  fail_core:
 379         cx88_core_put(core,pci_dev);
 380         return err;
 381 }
 382
 383 static void __devexit dvb_remove(struct pci_dev *pci_dev)
 384 {
 385         struct cx8802_dev *dev = pci_get_drvdata(pci_dev);
 386
 387         /* dvb */
 388         videobuf_dvb_unregister(&dev->dvb);
 389
 390         /* common */
 391         cx8802_fini_common(dev);
 392         cx88_core_put(dev->core,dev->pci);
 393         kfree(dev);
 394 }
 395
 396 static struct pci_device_id cx8802_pci_tbl[] = {
 397         {
 398                 .vendor       = 0x14f1,
 399                 .device       = 0x8802,
 400                 .subvendor    = PCI_ANY_ID,
 401                 .subdevice    = PCI_ANY_ID,
 402         },{
 403                 /* --- end of list --- */
 404         }
 405 };
 406 MODULE_DEVICE_TABLE(pci, cx8802_pci_tbl);
 407
 408 static struct pci_driver dvb_pci_driver = {
 409         .name     = "cx88-dvb",
 410         .id_table = cx8802_pci_tbl,
 411         .probe    = dvb_probe,
 412         .remove   = __devexit_p(dvb_remove),
 413         .suspend  = cx8802_suspend_common,
 414         .resume   = cx8802_resume_common,
 415 };
 416
 417 static int dvb_init(void)
 418 {
 419         printk(KERN_INFO "cx2388x dvb driver version %d.%d.%d loaded\n",
 420                (CX88_VERSION_CODE >> 16) & 0xff,
 421                (CX88_VERSION_CODE >>  8) & 0xff,
 422                CX88_VERSION_CODE & 0xff);
 423 #ifdef SNAPSHOT
 424         printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n",
 425                SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
 426 #endif
 427         return pci_register_driver(&dvb_pci_driver);
 428 }
 429
 430 static void dvb_fini(void)
 431 {
 432         pci_unregister_driver(&dvb_pci_driver);
 433 }
 434
 435 module_init(dvb_init);
 436 module_exit(dvb_fini);
 437
 438 /*
 439  * Local variables:
 440  * c-basic-offset: 8
 441  * compile-command: "make DVB=1"
 442  * End:
 443  */