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

   1 /*
   2  * $Id: cx88-dvb.c,v 1.41 2005/07/04 19:35:05 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 #include "cx88.h"
  34 #include "dvb-pll.h"
  35
  36 #if CONFIG_DVB_MT352
  37 # include "mt352.h"
  38 # include "mt352_priv.h"
  39 #endif
  40 #if CONFIG_DVB_CX22702
  41 # include "cx22702.h"
  42 #endif
  43 #if CONFIG_DVB_OR51132
  44 # include "or51132.h"
  45 #endif
  46 #if CONFIG_DVB_LGDT3302
  47 # include "lgdt3302.h"
  48 #endif
  49
  50 MODULE_DESCRIPTION("driver for cx2388x based DVB cards");
  51 MODULE_AUTHOR("Chris Pascoe <c.pascoe@itee.uq.edu.au>");
  52 MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
  53 MODULE_LICENSE("GPL");
  54
  55 static unsigned int debug = 0;
  56 module_param(debug, int, 0644);
  57 MODULE_PARM_DESC(debug,"enable debug messages [dvb]");
  58
  59 #define dprintk(level,fmt, arg...)      if (debug >= level) \
  60         printk(KERN_DEBUG "%s/2-dvb: " fmt, dev->core->name , ## arg)
  61
  62 /* ------------------------------------------------------------------ */
  63
  64 static int dvb_buf_setup(struct videobuf_queue *q,
  65                          unsigned int *count, unsigned int *size)
  66 {
  67         struct cx8802_dev *dev = q->priv_data;
  68
  69         dev->ts_packet_size  = 188 * 4;
  70         dev->ts_packet_count = 32;
  71
  72         *size  = dev->ts_packet_size * dev->ts_packet_count;
  73         *count = 32;
  74         return 0;
  75 }
  76
  77 static int dvb_buf_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
  78                            enum v4l2_field field)
  79 {
  80         struct cx8802_dev *dev = q->priv_data;
  81         return cx8802_buf_prepare(dev, (struct cx88_buffer*)vb);
  82 }
  83
  84 static void dvb_buf_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
  85 {
  86         struct cx8802_dev *dev = q->priv_data;
  87         cx8802_buf_queue(dev, (struct cx88_buffer*)vb);
  88 }
  89
  90 static void dvb_buf_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
  91 {
  92         struct cx8802_dev *dev = q->priv_data;
  93         cx88_free_buffer(dev->pci, (struct cx88_buffer*)vb);
  94 }
  95
  96 static struct videobuf_queue_ops dvb_qops = {
  97         .buf_setup    = dvb_buf_setup,
  98         .buf_prepare  = dvb_buf_prepare,
  99         .buf_queue    = dvb_buf_queue,
 100         .buf_release  = dvb_buf_release,
 101 };
 102
 103 /* ------------------------------------------------------------------ */
 104
 105 #if CONFIG_DVB_MT352
 106 static int dvico_fusionhdtv_demod_init(struct dvb_frontend* fe)
 107 {
 108         static u8 clock_config []  = { CLOCK_CTL,  0x38, 0x39 };
 109         static u8 reset []         = { RESET,      0x80 };
 110         static u8 adc_ctl_1_cfg [] = { ADC_CTL_1,  0x40 };
 111         static u8 agc_cfg []       = { AGC_TARGET, 0x24, 0x20 };
 112         static u8 gpp_ctl_cfg []   = { GPP_CTL,    0x33 };
 113         static u8 capt_range_cfg[] = { CAPT_RANGE, 0x32 };
 114
 115         mt352_write(fe, clock_config,   sizeof(clock_config));
 116         udelay(200);
 117         mt352_write(fe, reset,          sizeof(reset));
 118         mt352_write(fe, adc_ctl_1_cfg,  sizeof(adc_ctl_1_cfg));
 119
 120         mt352_write(fe, agc_cfg,        sizeof(agc_cfg));
 121         mt352_write(fe, gpp_ctl_cfg,    sizeof(gpp_ctl_cfg));
 122         mt352_write(fe, capt_range_cfg, sizeof(capt_range_cfg));
 123         return 0;
 124 }
 125
 126 static int dntv_live_dvbt_demod_init(struct dvb_frontend* fe)
 127 {
 128         static u8 clock_config []  = { 0x89, 0x38, 0x39 };
 129         static u8 reset []         = { 0x50, 0x80 };
 130         static u8 adc_ctl_1_cfg [] = { 0x8E, 0x40 };
 131         static u8 agc_cfg []       = { 0x67, 0x10, 0x23, 0x00, 0xFF, 0xFF,
 132                                        0x00, 0xFF, 0x00, 0x40, 0x40 };
 133         static u8 dntv_extra[]     = { 0xB5, 0x7A };
 134         static u8 capt_range_cfg[] = { 0x75, 0x32 };
 135
 136         mt352_write(fe, clock_config,   sizeof(clock_config));
 137         udelay(2000);
 138         mt352_write(fe, reset,          sizeof(reset));
 139         mt352_write(fe, adc_ctl_1_cfg,  sizeof(adc_ctl_1_cfg));
 140
 141         mt352_write(fe, agc_cfg,        sizeof(agc_cfg));
 142         udelay(2000);
 143         mt352_write(fe, dntv_extra,     sizeof(dntv_extra));
 144         mt352_write(fe, capt_range_cfg, sizeof(capt_range_cfg));
 145
 146         return 0;
 147 }
 148
 149 static int mt352_pll_set(struct dvb_frontend* fe,
 150                          struct dvb_frontend_parameters* params,
 151                          u8* pllbuf)
 152 {
 153         struct cx8802_dev *dev= fe->dvb->priv;
 154
 155         pllbuf[0] = dev->core->pll_addr << 1;
 156         dvb_pll_configure(dev->core->pll_desc, pllbuf+1,
 157                           params->frequency,
 158                           params->u.ofdm.bandwidth);
 159         return 0;
 160 }
 161
 162 static struct mt352_config dvico_fusionhdtv = {
 163         .demod_address = 0x0F,
 164         .demod_init    = dvico_fusionhdtv_demod_init,
 165         .pll_set       = mt352_pll_set,
 166 };
 167
 168 static struct mt352_config dntv_live_dvbt_config = {
 169         .demod_address = 0x0f,
 170         .demod_init    = dntv_live_dvbt_demod_init,
 171         .pll_set       = mt352_pll_set,
 172 };
 173 #endif
 174
 175 #if CONFIG_DVB_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 CONFIG_DVB_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 CONFIG_DVB_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 CONFIG_DVB_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 #if CONFIG_DVB_MT352
 252         case CX88_BOARD_DVICO_FUSIONHDTV_DVB_T1:
 253                 dev->core->pll_addr = 0x61;
 254                 dev->core->pll_desc = &dvb_pll_lg_z201;
 255                 dev->dvb.frontend = mt352_attach(&dvico_fusionhdtv,
 256                                                  &dev->core->i2c_adap);
 257                 break;
 258         case CX88_BOARD_DVICO_FUSIONHDTV_DVB_T_PLUS:
 259                 dev->core->pll_addr = 0x60;
 260                 dev->core->pll_desc = &dvb_pll_thomson_dtt7579;
 261                 dev->dvb.frontend = mt352_attach(&dvico_fusionhdtv,
 262                                                  &dev->core->i2c_adap);
 263                 break;
 264         case CX88_BOARD_KWORLD_DVB_T:
 265         case CX88_BOARD_DNTV_LIVE_DVB_T:
 266         case CX88_BOARD_ADSTECH_DVB_T_PCI:
 267                 dev->core->pll_addr = 0x61;
 268                 dev->core->pll_desc = &dvb_pll_unknown_1;
 269                 dev->dvb.frontend = mt352_attach(&dntv_live_dvbt_config,
 270                                                  &dev->core->i2c_adap);
 271                 break;
 272 #endif
 273 #if CONFIG_DVB_OR51132
 274         case CX88_BOARD_PCHDTV_HD3000:
 275                 dev->dvb.frontend = or51132_attach(&pchdtv_hd3000,
 276                                                  &dev->core->i2c_adap);
 277                 break;
 278 #endif
 279 #if CONFIG_DVB_LGDT3302
 280         case CX88_BOARD_DVICO_FUSIONHDTV_3_GOLD_Q:
 281                 dev->ts_gen_cntrl = 0x08;
 282                 {
 283                 /* Do a hardware reset of chip before using it. */
 284                 struct cx88_core *core = dev->core;
 285
 286                 cx_clear(MO_GP0_IO, 1);
 287                 mdelay(100);
 288                 cx_set(MO_GP0_IO, 9); // ANT connector too FIXME
 289                 mdelay(200);
 290                 dev->dvb.frontend = lgdt3302_attach(&fusionhdtv_3_gold_q,
 291                                                     &dev->core->i2c_adap);
 292                 }
 293                 break;
 294         case CX88_BOARD_DVICO_FUSIONHDTV_3_GOLD_T:
 295                 dev->ts_gen_cntrl = 0x08;
 296                 {
 297                 /* Do a hardware reset of chip before using it. */
 298                 struct cx88_core *core = dev->core;
 299
 300                 cx_clear(MO_GP0_IO, 1);
 301                 mdelay(100);
 302                 cx_set(MO_GP0_IO, 9); /* ANT connector too FIXME */
 303                 mdelay(200);
 304                 dev->dvb.frontend = lgdt3302_attach(&fusionhdtv_3_gold_t,
 305                                                     &dev->core->i2c_adap);
 306                 }
 307                 break;
 308 #endif
 309         default:
 310                 printk("%s: The frontend of your DVB/ATSC card isn't supported yet\n",
 311                        dev->core->name);
 312                 break;
 313         }
 314         if (NULL == dev->dvb.frontend) {
 315                 printk("%s: frontend initialization failed\n",dev->core->name);
 316                 return -1;
 317         }
 318
 319         if (dev->core->pll_desc) {
 320                 dev->dvb.frontend->ops->info.frequency_min = dev->core->pll_desc->min;
 321                 dev->dvb.frontend->ops->info.frequency_max = dev->core->pll_desc->max;
 322         }
 323
 324         /* Copy the board name into the DVB structure */
 325         strlcpy(dev->dvb.frontend->ops->info.name,
 326                 cx88_boards[dev->core->board].name,
 327                 sizeof(dev->dvb.frontend->ops->info.name));
 328
 329         /* register everything */
 330         return videobuf_dvb_register(&dev->dvb, THIS_MODULE, dev);
 331 }
 332
 333 /* ----------------------------------------------------------- */
 334
 335 static int __devinit dvb_probe(struct pci_dev *pci_dev,
 336                                const struct pci_device_id *pci_id)
 337 {
 338         struct cx8802_dev *dev;
 339         struct cx88_core  *core;
 340         int err;
 341
 342         /* general setup */
 343         core = cx88_core_get(pci_dev);
 344         if (NULL == core)
 345                 return -EINVAL;
 346
 347         err = -ENODEV;
 348         if (!cx88_boards[core->board].dvb)
 349                 goto fail_core;
 350
 351         err = -ENOMEM;
 352         dev = kmalloc(sizeof(*dev),GFP_KERNEL);
 353         if (NULL == dev)
 354                 goto fail_core;
 355         memset(dev,0,sizeof(*dev));
 356         dev->pci = pci_dev;
 357         dev->core = core;
 358
 359         err = cx8802_init_common(dev);
 360         if (0 != err)
 361                 goto fail_free;
 362
 363         /* dvb stuff */
 364         printk("%s/2: cx2388x based dvb card\n", core->name);
 365         videobuf_queue_init(&dev->dvb.dvbq, &dvb_qops,
 366                             dev->pci, &dev->slock,
 367                             V4L2_BUF_TYPE_VIDEO_CAPTURE,
 368                             V4L2_FIELD_TOP,
 369                             sizeof(struct cx88_buffer),
 370                             dev);
 371         err = dvb_register(dev);
 372         if (0 != err)
 373                 goto fail_fini;
 374         return 0;
 375
 376  fail_fini:
 377         cx8802_fini_common(dev);
 378  fail_free:
 379         kfree(dev);
 380  fail_core:
 381         cx88_core_put(core,pci_dev);
 382         return err;
 383 }
 384
 385 static void __devexit dvb_remove(struct pci_dev *pci_dev)
 386 {
 387         struct cx8802_dev *dev = pci_get_drvdata(pci_dev);
 388
 389         /* dvb */
 390         videobuf_dvb_unregister(&dev->dvb);
 391
 392         /* common */
 393         cx8802_fini_common(dev);
 394         cx88_core_put(dev->core,dev->pci);
 395         kfree(dev);
 396 }
 397
 398 static struct pci_device_id cx8802_pci_tbl[] = {
 399         {
 400                 .vendor       = 0x14f1,
 401                 .device       = 0x8802,
 402                 .subvendor    = PCI_ANY_ID,
 403                 .subdevice    = PCI_ANY_ID,
 404         },{
 405                 /* --- end of list --- */
 406         }
 407 };
 408 MODULE_DEVICE_TABLE(pci, cx8802_pci_tbl);
 409
 410 static struct pci_driver dvb_pci_driver = {
 411         .name     = "cx88-dvb",
 412         .id_table = cx8802_pci_tbl,
 413         .probe    = dvb_probe,
 414         .remove   = __devexit_p(dvb_remove),
 415         .suspend  = cx8802_suspend_common,
 416         .resume   = cx8802_resume_common,
 417 };
 418
 419 static int dvb_init(void)
 420 {
 421         printk(KERN_INFO "cx2388x dvb driver version %d.%d.%d loaded\n",
 422                (CX88_VERSION_CODE >> 16) & 0xff,
 423                (CX88_VERSION_CODE >>  8) & 0xff,
 424                CX88_VERSION_CODE & 0xff);
 425 #ifdef SNAPSHOT
 426         printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n",
 427                SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
 428 #endif
 429         return pci_register_driver(&dvb_pci_driver);
 430 }
 431
 432 static void dvb_fini(void)
 433 {
 434         pci_unregister_driver(&dvb_pci_driver);
 435 }
 436
 437 module_init(dvb_init);
 438 module_exit(dvb_fini);
 439
 440 /*
 441  * Local variables:
 442  * c-basic-offset: 8
 443  * compile-command: "make DVB=1"
 444  * End:
 445  */