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

   1 /*
   2  * $Id: cx88-dvb.c,v 1.31 2005/03/07 15:58:05 kraxel 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 /* those two frontends need merging via linuxtv cvs ... */
  34 #define HAVE_CX22702 0
  35 #define HAVE_OR51132 1
  36
  37 #include "cx88.h"
  38 #include "dvb-pll.h"
  39 #include "mt352.h"
  40 #include "mt352_priv.h"
  41 #if HAVE_CX22702
  42 # include "cx22702.h"
  43 #endif
  44 #if HAVE_OR51132
  45 # include "or51132.h"
  46 #endif
  47
  48 MODULE_DESCRIPTION("driver for cx2388x based DVB cards");
  49 MODULE_AUTHOR("Chris Pascoe <c.pascoe@itee.uq.edu.au>");
  50 MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
  51 MODULE_LICENSE("GPL");
  52
  53 static unsigned int debug = 0;
  54 module_param(debug, int, 0644);
  55 MODULE_PARM_DESC(debug,"enable debug messages [dvb]");
  56
  57 #define dprintk(level,fmt, arg...)      if (debug >= level) \
  58         printk(KERN_DEBUG "%s/2-dvb: " fmt, dev->core->name , ## arg)
  59
  60 /* ------------------------------------------------------------------ */
  61
  62 static int dvb_buf_setup(struct videobuf_queue *q,
  63                          unsigned int *count, unsigned int *size)
  64 {
  65         struct cx8802_dev *dev = q->priv_data;
  66
  67         dev->ts_packet_size  = 188 * 4;
  68         dev->ts_packet_count = 32;
  69
  70         *size  = dev->ts_packet_size * dev->ts_packet_count;
  71         *count = 32;
  72         return 0;
  73 }
  74
  75 static int dvb_buf_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
  76                            enum v4l2_field field)
  77 {
  78         struct cx8802_dev *dev = q->priv_data;
  79         return cx8802_buf_prepare(dev, (struct cx88_buffer*)vb);
  80 }
  81
  82 static void dvb_buf_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
  83 {
  84         struct cx8802_dev *dev = q->priv_data;
  85         cx8802_buf_queue(dev, (struct cx88_buffer*)vb);
  86 }
  87
  88 static void dvb_buf_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
  89 {
  90         struct cx8802_dev *dev = q->priv_data;
  91         cx88_free_buffer(dev->pci, (struct cx88_buffer*)vb);
  92 }
  93
  94 struct videobuf_queue_ops dvb_qops = {
  95         .buf_setup    = dvb_buf_setup,
  96         .buf_prepare  = dvb_buf_prepare,
  97         .buf_queue    = dvb_buf_queue,
  98         .buf_release  = dvb_buf_release,
  99 };
 100
 101 /* ------------------------------------------------------------------ */
 102
 103 static int dvico_fusionhdtv_demod_init(struct dvb_frontend* fe)
 104 {
 105         static u8 clock_config []  = { CLOCK_CTL,  0x38, 0x39 };
 106         static u8 reset []         = { RESET,      0x80 };
 107         static u8 adc_ctl_1_cfg [] = { ADC_CTL_1,  0x40 };
 108         static u8 agc_cfg []       = { AGC_TARGET, 0x24, 0x20 };
 109         static u8 gpp_ctl_cfg []   = { GPP_CTL,    0x33 };
 110         static u8 capt_range_cfg[] = { CAPT_RANGE, 0x32 };
 111
 112         mt352_write(fe, clock_config,   sizeof(clock_config));
 113         udelay(200);
 114         mt352_write(fe, reset,          sizeof(reset));
 115         mt352_write(fe, adc_ctl_1_cfg,  sizeof(adc_ctl_1_cfg));
 116
 117         mt352_write(fe, agc_cfg,        sizeof(agc_cfg));
 118         mt352_write(fe, gpp_ctl_cfg,    sizeof(gpp_ctl_cfg));
 119         mt352_write(fe, capt_range_cfg, sizeof(capt_range_cfg));
 120         return 0;
 121 }
 122
 123 static int dntv_live_dvbt_demod_init(struct dvb_frontend* fe)
 124 {
 125         static u8 clock_config []  = { 0x89, 0x38, 0x39 };
 126         static u8 reset []         = { 0x50, 0x80 };
 127         static u8 adc_ctl_1_cfg [] = { 0x8E, 0x40 };
 128         static u8 agc_cfg []       = { 0x67, 0x10, 0x23, 0x00, 0xFF, 0xFF,
 129                                        0x00, 0xFF, 0x00, 0x40, 0x40 };
 130         static u8 dntv_extra[]     = { 0xB5, 0x7A };
 131         static u8 capt_range_cfg[] = { 0x75, 0x32 };
 132
 133         mt352_write(fe, clock_config,   sizeof(clock_config));
 134         udelay(2000);
 135         mt352_write(fe, reset,          sizeof(reset));
 136         mt352_write(fe, adc_ctl_1_cfg,  sizeof(adc_ctl_1_cfg));
 137
 138         mt352_write(fe, agc_cfg,        sizeof(agc_cfg));
 139         udelay(2000);
 140         mt352_write(fe, dntv_extra,     sizeof(dntv_extra));
 141         mt352_write(fe, capt_range_cfg, sizeof(capt_range_cfg));
 142
 143         return 0;
 144 }
 145
 146 static int mt352_pll_set(struct dvb_frontend* fe,
 147                          struct dvb_frontend_parameters* params,
 148                          u8* pllbuf)
 149 {
 150         struct cx8802_dev *dev= fe->dvb->priv;
 151
 152         pllbuf[0] = dev->core->pll_addr << 1;
 153         dvb_pll_configure(dev->core->pll_desc, pllbuf+1,
 154                           params->frequency,
 155                           params->u.ofdm.bandwidth);
 156         return 0;
 157 }
 158
 159 static struct mt352_config dvico_fusionhdtv = {
 160         .demod_address = 0x0F,
 161         .demod_init    = dvico_fusionhdtv_demod_init,
 162         .pll_set       = mt352_pll_set,
 163 };
 164
 165 static struct mt352_config dntv_live_dvbt_config = {
 166         .demod_address = 0x0f,
 167         .demod_init    = dntv_live_dvbt_demod_init,
 168         .pll_set       = mt352_pll_set,
 169 };
 170
 171 #if HAVE_CX22702
 172 static struct cx22702_config connexant_refboard_config = {
 173         .demod_address = 0x43,
 174         .pll_address   = 0x60,
 175         .pll_desc      = &dvb_pll_thomson_dtt7579,
 176 };
 177
 178 static struct cx22702_config hauppauge_novat_config = {
 179         .demod_address = 0x43,
 180         .pll_address   = 0x61,
 181         .pll_desc      = &dvb_pll_thomson_dtt759x,
 182 };
 183 #endif
 184
 185 #if HAVE_OR51132
 186 static int or51132_set_ts_param(struct dvb_frontend* fe,
 187                                 int is_punctured)
 188 {
 189         struct cx8802_dev *dev= fe->dvb->priv;
 190         dev->ts_gen_cntrl = is_punctured ? 0x04 : 0x00;
 191         return 0;
 192 }
 193
 194 struct or51132_config pchdtv_hd3000 = {
 195         .demod_address    = 0x15,
 196         .pll_address      = 0x61,
 197         .pll_desc         = &dvb_pll_thomson_dtt7610,
 198         .set_ts_params    = or51132_set_ts_param,
 199 };
 200 #endif
 201
 202 static int dvb_register(struct cx8802_dev *dev)
 203 {
 204         /* init struct videobuf_dvb */
 205         dev->dvb.name = dev->core->name;
 206         dev->ts_gen_cntrl = 0x0c;
 207
 208         /* init frontend */
 209         switch (dev->core->board) {
 210 #if HAVE_CX22702
 211         case CX88_BOARD_HAUPPAUGE_DVB_T1:
 212                 dev->dvb.frontend = cx22702_attach(&hauppauge_novat_config,
 213                                                    &dev->core->i2c_adap);
 214                 break;
 215         case CX88_BOARD_CONEXANT_DVB_T1:
 216                 dev->dvb.frontend = cx22702_attach(&connexant_refboard_config,
 217                                                    &dev->core->i2c_adap);
 218                 break;
 219 #endif
 220         case CX88_BOARD_DVICO_FUSIONHDTV_DVB_T1:
 221                 dev->core->pll_addr = 0x61;
 222                 dev->core->pll_desc = &dvb_pll_lg_z201;
 223                 dev->dvb.frontend = mt352_attach(&dvico_fusionhdtv,
 224                                                  &dev->core->i2c_adap);
 225                 break;
 226         case CX88_BOARD_DVICO_FUSIONHDTV_DVB_T_PLUS:
 227                 dev->core->pll_addr = 0x60;
 228                 dev->core->pll_desc = &dvb_pll_thomson_dtt7579;
 229                 dev->dvb.frontend = mt352_attach(&dvico_fusionhdtv,
 230                                                  &dev->core->i2c_adap);
 231                 break;
 232         case CX88_BOARD_KWORLD_DVB_T:
 233         case CX88_BOARD_DNTV_LIVE_DVB_T:
 234                 dev->core->pll_addr = 0x61;
 235                 dev->core->pll_desc = &dvb_pll_unknown_1;
 236                 dev->dvb.frontend = mt352_attach(&dntv_live_dvbt_config,
 237                                                  &dev->core->i2c_adap);
 238                 break;
 239 #if HAVE_OR51132
 240         case CX88_BOARD_PCHDTV_HD3000:
 241                 dev->dvb.frontend = or51132_attach(&pchdtv_hd3000,
 242                                                  &dev->core->i2c_adap);
 243                 break;
 244 #endif
 245         default:
 246                 printk("%s: The frontend of your DVB/ATSC card isn't supported yet\n"
 247                        "%s: you might want to look out for patches here:\n"
 248                        "%s:     http://dl.bytesex.org/patches/\n",
 249                        dev->core->name, dev->core->name, dev->core->name);
 250                 break;
 251         }
 252         if (NULL == dev->dvb.frontend) {
 253                 printk("%s: frontend initialization failed\n",dev->core->name);
 254                 return -1;
 255         }
 256
 257         if (dev->core->pll_desc) {
 258                 dev->dvb.frontend->ops->info.frequency_min = dev->core->pll_desc->min;
 259                 dev->dvb.frontend->ops->info.frequency_max = dev->core->pll_desc->max;
 260         }
 261
 262         /* Copy the board name into the DVB structure */
 263         strlcpy(dev->dvb.frontend->ops->info.name,
 264                 cx88_boards[dev->core->board].name,
 265                 sizeof(dev->dvb.frontend->ops->info.name));
 266
 267         /* register everything */
 268         return videobuf_dvb_register(&dev->dvb, THIS_MODULE, dev);
 269 }
 270
 271 /* ----------------------------------------------------------- */
 272
 273 static int __devinit dvb_probe(struct pci_dev *pci_dev,
 274                                const struct pci_device_id *pci_id)
 275 {
 276         struct cx8802_dev *dev;
 277         struct cx88_core  *core;
 278         int err;
 279
 280         /* general setup */
 281         core = cx88_core_get(pci_dev);
 282         if (NULL == core)
 283                 return -EINVAL;
 284
 285         err = -ENODEV;
 286         if (!cx88_boards[core->board].dvb)
 287                 goto fail_core;
 288
 289         err = -ENOMEM;
 290         dev = kmalloc(sizeof(*dev),GFP_KERNEL);
 291         if (NULL == dev)
 292                 goto fail_core;
 293         memset(dev,0,sizeof(*dev));
 294         dev->pci = pci_dev;
 295         dev->core = core;
 296
 297         err = cx8802_init_common(dev);
 298         if (0 != err)
 299                 goto fail_free;
 300
 301         /* dvb stuff */
 302         printk("%s/2: cx2388x based dvb card\n", core->name);
 303         videobuf_queue_init(&dev->dvb.dvbq, &dvb_qops,
 304                             dev->pci, &dev->slock,
 305                             V4L2_BUF_TYPE_VIDEO_CAPTURE,
 306                             V4L2_FIELD_TOP,
 307                             sizeof(struct cx88_buffer),
 308                             dev);
 309         err = dvb_register(dev);
 310         if (0 != err)
 311                 goto fail_free;
 312         return 0;
 313
 314  fail_free:
 315         kfree(dev);
 316  fail_core:
 317         cx88_core_put(core,pci_dev);
 318         return err;
 319 }
 320
 321 static void __devexit dvb_remove(struct pci_dev *pci_dev)
 322 {
 323         struct cx8802_dev *dev = pci_get_drvdata(pci_dev);
 324
 325         /* dvb */
 326         videobuf_dvb_unregister(&dev->dvb);
 327
 328         /* common */
 329         cx8802_fini_common(dev);
 330         cx88_core_put(dev->core,dev->pci);
 331         kfree(dev);
 332 }
 333
 334 static struct pci_device_id cx8802_pci_tbl[] = {
 335         {
 336                 .vendor       = 0x14f1,
 337                 .device       = 0x8802,
 338                 .subvendor    = PCI_ANY_ID,
 339                 .subdevice    = PCI_ANY_ID,
 340         },{
 341                 /* --- end of list --- */
 342         }
 343 };
 344 MODULE_DEVICE_TABLE(pci, cx8802_pci_tbl);
 345
 346 static struct pci_driver dvb_pci_driver = {
 347         .name     = "cx88-dvb",
 348         .id_table = cx8802_pci_tbl,
 349         .probe    = dvb_probe,
 350         .remove   = __devexit_p(dvb_remove),
 351         .suspend  = cx8802_suspend_common,
 352         .resume   = cx8802_resume_common,
 353 };
 354
 355 static int dvb_init(void)
 356 {
 357         printk(KERN_INFO "cx2388x dvb driver version %d.%d.%d loaded\n",
 358                (CX88_VERSION_CODE >> 16) & 0xff,
 359                (CX88_VERSION_CODE >>  8) & 0xff,
 360                CX88_VERSION_CODE & 0xff);
 361 #ifdef SNAPSHOT
 362         printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n",
 363                SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
 364 #endif
 365         return pci_register_driver(&dvb_pci_driver);
 366 }
 367
 368 static void dvb_fini(void)
 369 {
 370         pci_unregister_driver(&dvb_pci_driver);
 371 }
 372
 373 module_init(dvb_init);
 374 module_exit(dvb_fini);
 375
 376 /*
 377  * Local variables:
 378  * c-basic-offset: 8
 379  * compile-command: "make DVB=1"
 380  * End:
 381  */