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 #define CONFIG_DVB_MT352 1
  34 #define CONFIG_DVB_CX22702 1
  35 #define CONFIG_DVB_OR51132 1
  36 #define CONFIG_DVB_LGDT3302 1
  37
  38 #include "cx88.h"
  39 #include "dvb-pll.h"
  40
  41 #if CONFIG_DVB_MT352
  42 # include "mt352.h"
  43 # include "mt352_priv.h"
  44 #endif
  45 #if CONFIG_DVB_CX22702
  46 # include "cx22702.h"
  47 #endif
  48 #if CONFIG_DVB_OR51132
  49 # include "or51132.h"
  50 #endif
  51 #if CONFIG_DVB_LGDT3302
  52 # include "lgdt3302.h"
  53 #endif
  54
  55 MODULE_DESCRIPTION("driver for cx2388x based DVB cards");
  56 MODULE_AUTHOR("Chris Pascoe <c.pascoe@itee.uq.edu.au>");
  57 MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
  58 MODULE_LICENSE("GPL");
  59
  60 static unsigned int debug = 0;
  61 module_param(debug, int, 0644);
  62 MODULE_PARM_DESC(debug,"enable debug messages [dvb]");
  63
  64 #define dprintk(level,fmt, arg...)      if (debug >= level) \
  65         printk(KERN_DEBUG "%s/2-dvb: " fmt, dev->core->name , ## arg)
  66
  67 /* ------------------------------------------------------------------ */
  68
  69 static int dvb_buf_setup(struct videobuf_queue *q,
  70                          unsigned int *count, unsigned int *size)
  71 {
  72         struct cx8802_dev *dev = q->priv_data;
  73
  74         dev->ts_packet_size  = 188 * 4;
  75         dev->ts_packet_count = 32;
  76
  77         *size  = dev->ts_packet_size * dev->ts_packet_count;
  78         *count = 32;
  79         return 0;
  80 }
  81
  82 static int dvb_buf_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
  83                            enum v4l2_field field)
  84 {
  85         struct cx8802_dev *dev = q->priv_data;
  86         return cx8802_buf_prepare(dev, (struct cx88_buffer*)vb);
  87 }
  88
  89 static void dvb_buf_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
  90 {
  91         struct cx8802_dev *dev = q->priv_data;
  92         cx8802_buf_queue(dev, (struct cx88_buffer*)vb);
  93 }
  94
  95 static void dvb_buf_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
  96 {
  97         struct cx8802_dev *dev = q->priv_data;
  98         cx88_free_buffer(dev->pci, (struct cx88_buffer*)vb);
  99 }
 100
 101 static struct videobuf_queue_ops dvb_qops = {
 102         .buf_setup    = dvb_buf_setup,
 103         .buf_prepare  = dvb_buf_prepare,
 104         .buf_queue    = dvb_buf_queue,
 105         .buf_release  = dvb_buf_release,
 106 };
 107
 108 /* ------------------------------------------------------------------ */
 109
 110 #if CONFIG_DVB_MT352
 111 static int dvico_fusionhdtv_demod_init(struct dvb_frontend* fe)
 112 {
 113         static u8 clock_config []  = { CLOCK_CTL,  0x38, 0x39 };
 114         static u8 reset []         = { RESET,      0x80 };
 115         static u8 adc_ctl_1_cfg [] = { ADC_CTL_1,  0x40 };
 116         static u8 agc_cfg []       = { AGC_TARGET, 0x24, 0x20 };
 117         static u8 gpp_ctl_cfg []   = { GPP_CTL,    0x33 };
 118         static u8 capt_range_cfg[] = { CAPT_RANGE, 0x32 };
 119
 120         mt352_write(fe, clock_config,   sizeof(clock_config));
 121         udelay(200);
 122         mt352_write(fe, reset,          sizeof(reset));
 123         mt352_write(fe, adc_ctl_1_cfg,  sizeof(adc_ctl_1_cfg));
 124
 125         mt352_write(fe, agc_cfg,        sizeof(agc_cfg));
 126         mt352_write(fe, gpp_ctl_cfg,    sizeof(gpp_ctl_cfg));
 127         mt352_write(fe, capt_range_cfg, sizeof(capt_range_cfg));
 128         return 0;
 129 }
 130
 131 static int dntv_live_dvbt_demod_init(struct dvb_frontend* fe)
 132 {
 133         static u8 clock_config []  = { 0x89, 0x38, 0x39 };
 134         static u8 reset []         = { 0x50, 0x80 };
 135         static u8 adc_ctl_1_cfg [] = { 0x8E, 0x40 };
 136         static u8 agc_cfg []       = { 0x67, 0x10, 0x23, 0x00, 0xFF, 0xFF,
 137                                        0x00, 0xFF, 0x00, 0x40, 0x40 };
 138         static u8 dntv_extra[]     = { 0xB5, 0x7A };
 139         static u8 capt_range_cfg[] = { 0x75, 0x32 };
 140
 141         mt352_write(fe, clock_config,   sizeof(clock_config));
 142         udelay(2000);
 143         mt352_write(fe, reset,          sizeof(reset));
 144         mt352_write(fe, adc_ctl_1_cfg,  sizeof(adc_ctl_1_cfg));
 145
 146         mt352_write(fe, agc_cfg,        sizeof(agc_cfg));
 147         udelay(2000);
 148         mt352_write(fe, dntv_extra,     sizeof(dntv_extra));
 149         mt352_write(fe, capt_range_cfg, sizeof(capt_range_cfg));
 150
 151         return 0;
 152 }
 153
 154 static int mt352_pll_set(struct dvb_frontend* fe,
 155                          struct dvb_frontend_parameters* params,
 156                          u8* pllbuf)
 157 {
 158         struct cx8802_dev *dev= fe->dvb->priv;
 159
 160         pllbuf[0] = dev->core->pll_addr << 1;
 161         dvb_pll_configure(dev->core->pll_desc, pllbuf+1,
 162                           params->frequency,
 163                           params->u.ofdm.bandwidth);
 164         return 0;
 165 }
 166
 167 static struct mt352_config dvico_fusionhdtv = {
 168         .demod_address = 0x0F,
 169         .demod_init    = dvico_fusionhdtv_demod_init,
 170         .pll_set       = mt352_pll_set,
 171 };
 172
 173 static struct mt352_config dntv_live_dvbt_config = {
 174         .demod_address = 0x0f,
 175         .demod_init    = dntv_live_dvbt_demod_init,
 176         .pll_set       = mt352_pll_set,
 177 };
 178 #endif
 179
 180 #if CONFIG_DVB_CX22702
 181 static struct cx22702_config connexant_refboard_config = {
 182         .demod_address = 0x43,
 183         .pll_address   = 0x60,
 184         .pll_desc      = &dvb_pll_thomson_dtt7579,
 185 };
 186
 187 static struct cx22702_config hauppauge_novat_config = {
 188         .demod_address = 0x43,
 189         .pll_address   = 0x61,
 190         .pll_desc      = &dvb_pll_thomson_dtt759x,
 191 };
 192 #endif
 193
 194 #if CONFIG_DVB_OR51132
 195 static int or51132_set_ts_param(struct dvb_frontend* fe,
 196                                 int is_punctured)
 197 {
 198         struct cx8802_dev *dev= fe->dvb->priv;
 199         dev->ts_gen_cntrl = is_punctured ? 0x04 : 0x00;
 200         return 0;
 201 }
 202
 203 static struct or51132_config pchdtv_hd3000 = {
 204         .demod_address    = 0x15,
 205         .pll_address      = 0x61,
 206         .pll_desc         = &dvb_pll_thomson_dtt7610,
 207         .set_ts_params    = or51132_set_ts_param,
 208 };
 209 #endif
 210
 211 #if CONFIG_DVB_LGDT3302
 212 static int lgdt3302_set_ts_param(struct dvb_frontend* fe, int is_punctured)
 213 {
 214         struct cx8802_dev *dev= fe->dvb->priv;
 215         if (is_punctured)
 216                 dev->ts_gen_cntrl |= 0x04;
 217         else
 218                 dev->ts_gen_cntrl &= ~0x04;
 219         return 0;
 220 }
 221
 222 static struct lgdt3302_config fusionhdtv_3_gold_q = {
 223         .demod_address    = 0x0e,
 224         .pll_address      = 0x61,
 225         .pll_desc         = &dvb_pll_microtune_4042,
 226         .set_ts_params    = lgdt3302_set_ts_param,
 227 };
 228
 229 static struct lgdt3302_config fusionhdtv_3_gold_t = {
 230         .demod_address    = 0x0e,
 231         .pll_address      = 0x61,
 232         .pll_desc         = &dvb_pll_thomson_dtt7611,
 233         .set_ts_params    = lgdt3302_set_ts_param,
 234 };
 235 #endif
 236
 237 static int dvb_register(struct cx8802_dev *dev)
 238 {
 239         /* init struct videobuf_dvb */
 240         dev->dvb.name = dev->core->name;
 241         dev->ts_gen_cntrl = 0x0c;
 242
 243         /* init frontend */
 244         switch (dev->core->board) {
 245 #if CONFIG_DVB_CX22702
 246         case CX88_BOARD_HAUPPAUGE_DVB_T1:
 247                 dev->dvb.frontend = cx22702_attach(&hauppauge_novat_config,
 248                                                    &dev->core->i2c_adap);
 249                 break;
 250         case CX88_BOARD_TERRATEC_CINERGY_1400_DVB_T1:
 251         case CX88_BOARD_CONEXANT_DVB_T1:
 252                 dev->dvb.frontend = cx22702_attach(&connexant_refboard_config,
 253                                                    &dev->core->i2c_adap);
 254                 break;
 255 #endif
 256 #if CONFIG_DVB_MT352
 257         case CX88_BOARD_DVICO_FUSIONHDTV_DVB_T1:
 258                 dev->core->pll_addr = 0x61;
 259                 dev->core->pll_desc = &dvb_pll_lg_z201;
 260                 dev->dvb.frontend = mt352_attach(&dvico_fusionhdtv,
 261                                                  &dev->core->i2c_adap);
 262                 break;
 263         case CX88_BOARD_DVICO_FUSIONHDTV_DVB_T_PLUS:
 264                 dev->core->pll_addr = 0x60;
 265                 dev->core->pll_desc = &dvb_pll_thomson_dtt7579;
 266                 dev->dvb.frontend = mt352_attach(&dvico_fusionhdtv,
 267                                                  &dev->core->i2c_adap);
 268                 break;
 269         case CX88_BOARD_KWORLD_DVB_T:
 270         case CX88_BOARD_DNTV_LIVE_DVB_T:
 271         case CX88_BOARD_ADSTECH_DVB_T_PCI:
 272                 dev->core->pll_addr = 0x61;
 273                 dev->core->pll_desc = &dvb_pll_unknown_1;
 274                 dev->dvb.frontend = mt352_attach(&dntv_live_dvbt_config,
 275                                                  &dev->core->i2c_adap);
 276                 break;
 277 #endif
 278 #if CONFIG_DVB_OR51132
 279         case CX88_BOARD_PCHDTV_HD3000:
 280                 dev->dvb.frontend = or51132_attach(&pchdtv_hd3000,
 281                                                  &dev->core->i2c_adap);
 282                 break;
 283 #endif
 284 #if CONFIG_DVB_LGDT3302
 285         case CX88_BOARD_DVICO_FUSIONHDTV_3_GOLD_Q:
 286                 dev->ts_gen_cntrl = 0x08;
 287                 {
 288                 /* Do a hardware reset of chip before using it. */
 289                 struct cx88_core *core = dev->core;
 290
 291                 cx_clear(MO_GP0_IO, 1);
 292                 mdelay(100);
 293                 cx_set(MO_GP0_IO, 9); // ANT connector too FIXME
 294                 mdelay(200);
 295                 dev->dvb.frontend = lgdt3302_attach(&fusionhdtv_3_gold_q,
 296                                                     &dev->core->i2c_adap);
 297                 }
 298                 break;
 299         case CX88_BOARD_DVICO_FUSIONHDTV_3_GOLD_T:
 300                 dev->ts_gen_cntrl = 0x08;
 301                 {
 302                 /* Do a hardware reset of chip before using it. */
 303                 struct cx88_core *core = dev->core;
 304
 305                 cx_clear(MO_GP0_IO, 1);
 306                 mdelay(100);
 307                 cx_set(MO_GP0_IO, 9); /* ANT connector too FIXME */
 308                 mdelay(200);
 309                 dev->dvb.frontend = lgdt3302_attach(&fusionhdtv_3_gold_t,
 310                                                     &dev->core->i2c_adap);
 311                 }
 312                 break;
 313 #endif
 314         default:
 315                 printk("%s: The frontend of your DVB/ATSC card isn't supported yet\n",
 316                        dev->core->name);
 317                 break;
 318         }
 319         if (NULL == dev->dvb.frontend) {
 320                 printk("%s: frontend initialization failed\n",dev->core->name);
 321                 return -1;
 322         }
 323
 324         if (dev->core->pll_desc) {
 325                 dev->dvb.frontend->ops->info.frequency_min = dev->core->pll_desc->min;
 326                 dev->dvb.frontend->ops->info.frequency_max = dev->core->pll_desc->max;
 327         }
 328
 329         /* Copy the board name into the DVB structure */
 330         strlcpy(dev->dvb.frontend->ops->info.name,
 331                 cx88_boards[dev->core->board].name,
 332                 sizeof(dev->dvb.frontend->ops->info.name));
 333
 334         /* register everything */
 335         return videobuf_dvb_register(&dev->dvb, THIS_MODULE, dev);
 336 }
 337
 338 /* ----------------------------------------------------------- */
 339
 340 static int __devinit dvb_probe(struct pci_dev *pci_dev,
 341                                const struct pci_device_id *pci_id)
 342 {
 343         struct cx8802_dev *dev;
 344         struct cx88_core  *core;
 345         int err;
 346
 347         /* general setup */
 348         core = cx88_core_get(pci_dev);
 349         if (NULL == core)
 350                 return -EINVAL;
 351
 352         err = -ENODEV;
 353         if (!cx88_boards[core->board].dvb)
 354                 goto fail_core;
 355
 356         err = -ENOMEM;
 357         dev = kmalloc(sizeof(*dev),GFP_KERNEL);
 358         if (NULL == dev)
 359                 goto fail_core;
 360         memset(dev,0,sizeof(*dev));
 361         dev->pci = pci_dev;
 362         dev->core = core;
 363
 364         err = cx8802_init_common(dev);
 365         if (0 != err)
 366                 goto fail_free;
 367
 368         /* dvb stuff */
 369         printk("%s/2: cx2388x based dvb card\n", core->name);
 370         videobuf_queue_init(&dev->dvb.dvbq, &dvb_qops,
 371                             dev->pci, &dev->slock,
 372                             V4L2_BUF_TYPE_VIDEO_CAPTURE,
 373                             V4L2_FIELD_TOP,
 374                             sizeof(struct cx88_buffer),
 375                             dev);
 376         err = dvb_register(dev);
 377         if (0 != err)
 378                 goto fail_fini;
 379         return 0;
 380
 381  fail_fini:
 382         cx8802_fini_common(dev);
 383  fail_free:
 384         kfree(dev);
 385  fail_core:
 386         cx88_core_put(core,pci_dev);
 387         return err;
 388 }
 389
 390 static void __devexit dvb_remove(struct pci_dev *pci_dev)
 391 {
 392         struct cx8802_dev *dev = pci_get_drvdata(pci_dev);
 393
 394         /* dvb */
 395         videobuf_dvb_unregister(&dev->dvb);
 396
 397         /* common */
 398         cx8802_fini_common(dev);
 399         cx88_core_put(dev->core,dev->pci);
 400         kfree(dev);
 401 }
 402
 403 static struct pci_device_id cx8802_pci_tbl[] = {
 404         {
 405                 .vendor       = 0x14f1,
 406                 .device       = 0x8802,
 407                 .subvendor    = PCI_ANY_ID,
 408                 .subdevice    = PCI_ANY_ID,
 409         },{
 410                 /* --- end of list --- */
 411         }
 412 };
 413 MODULE_DEVICE_TABLE(pci, cx8802_pci_tbl);
 414
 415 static struct pci_driver dvb_pci_driver = {
 416         .name     = "cx88-dvb",
 417         .id_table = cx8802_pci_tbl,
 418         .probe    = dvb_probe,
 419         .remove   = __devexit_p(dvb_remove),
 420         .suspend  = cx8802_suspend_common,
 421         .resume   = cx8802_resume_common,
 422 };
 423
 424 static int dvb_init(void)
 425 {
 426         printk(KERN_INFO "cx2388x dvb driver version %d.%d.%d loaded\n",
 427                (CX88_VERSION_CODE >> 16) & 0xff,
 428                (CX88_VERSION_CODE >>  8) & 0xff,
 429                CX88_VERSION_CODE & 0xff);
 430 #ifdef SNAPSHOT
 431         printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n",
 432                SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
 433 #endif
 434         return pci_register_driver(&dvb_pci_driver);
 435 }
 436
 437 static void dvb_fini(void)
 438 {
 439         pci_unregister_driver(&dvb_pci_driver);
 440 }
 441
 442 module_init(dvb_init);
 443 module_exit(dvb_fini);
 444
 445 /*
 446  * Local variables:
 447  * c-basic-offset: 8
 448  * compile-command: "make DVB=1"
 449  * End:
 450  */