linux/drivers/media/pci/dm1105/dm1105.c
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   1/*
   2 * dm1105.c - driver for DVB cards based on SDMC DM1105 PCI chip
   3 *
   4 * Copyright (C) 2008 Igor M. Liplianin <liplianin@me.by>
   5 *
   6 * This program is free software; you can redistribute it and/or modify
   7 * it under the terms of the GNU General Public License as published by
   8 * the Free Software Foundation; either version 2 of the License, or
   9 * (at your option) any later version.
  10 *
  11 * This program is distributed in the hope that it will be useful,
  12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 * GNU General Public License for more details.
  15 *
  16 * You should have received a copy of the GNU General Public License
  17 * along with this program; if not, write to the Free Software
  18 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  19 *
  20 */
  21
  22#include <linux/i2c.h>
  23#include <linux/i2c-algo-bit.h>
  24#include <linux/init.h>
  25#include <linux/interrupt.h>
  26#include <linux/kernel.h>
  27#include <linux/module.h>
  28#include <linux/proc_fs.h>
  29#include <linux/pci.h>
  30#include <linux/dma-mapping.h>
  31#include <linux/slab.h>
  32#include <media/rc-core.h>
  33
  34#include "demux.h"
  35#include "dmxdev.h"
  36#include "dvb_demux.h"
  37#include "dvb_frontend.h"
  38#include "dvb_net.h"
  39#include "dvbdev.h"
  40#include "dvb-pll.h"
  41
  42#include "stv0299.h"
  43#include "stv0288.h"
  44#include "stb6000.h"
  45#include "si21xx.h"
  46#include "cx24116.h"
  47#include "z0194a.h"
  48#include "ts2020.h"
  49#include "ds3000.h"
  50
  51#define MODULE_NAME "dm1105"
  52
  53#define UNSET (-1U)
  54
  55#define DM1105_BOARD_NOAUTO                     UNSET
  56#define DM1105_BOARD_UNKNOWN                    0
  57#define DM1105_BOARD_DVBWORLD_2002              1
  58#define DM1105_BOARD_DVBWORLD_2004              2
  59#define DM1105_BOARD_AXESS_DM05                 3
  60#define DM1105_BOARD_UNBRANDED_I2C_ON_GPIO      4
  61
  62/* ----------------------------------------------- */
  63/*
  64 * PCI ID's
  65 */
  66#ifndef PCI_VENDOR_ID_TRIGEM
  67#define PCI_VENDOR_ID_TRIGEM    0x109f
  68#endif
  69#ifndef PCI_VENDOR_ID_AXESS
  70#define PCI_VENDOR_ID_AXESS     0x195d
  71#endif
  72#ifndef PCI_DEVICE_ID_DM1105
  73#define PCI_DEVICE_ID_DM1105    0x036f
  74#endif
  75#ifndef PCI_DEVICE_ID_DW2002
  76#define PCI_DEVICE_ID_DW2002    0x2002
  77#endif
  78#ifndef PCI_DEVICE_ID_DW2004
  79#define PCI_DEVICE_ID_DW2004    0x2004
  80#endif
  81#ifndef PCI_DEVICE_ID_DM05
  82#define PCI_DEVICE_ID_DM05      0x1105
  83#endif
  84/* ----------------------------------------------- */
  85/* sdmc dm1105 registers */
  86
  87/* TS Control */
  88#define DM1105_TSCTR                            0x00
  89#define DM1105_DTALENTH                         0x04
  90
  91/* GPIO Interface */
  92#define DM1105_GPIOVAL                          0x08
  93#define DM1105_GPIOCTR                          0x0c
  94
  95/* PID serial number */
  96#define DM1105_PIDN                             0x10
  97
  98/* Odd-even secret key select */
  99#define DM1105_CWSEL                            0x14
 100
 101/* Host Command Interface */
 102#define DM1105_HOST_CTR                         0x18
 103#define DM1105_HOST_AD                          0x1c
 104
 105/* PCI Interface */
 106#define DM1105_CR                               0x30
 107#define DM1105_RST                              0x34
 108#define DM1105_STADR                            0x38
 109#define DM1105_RLEN                             0x3c
 110#define DM1105_WRP                              0x40
 111#define DM1105_INTCNT                           0x44
 112#define DM1105_INTMAK                           0x48
 113#define DM1105_INTSTS                           0x4c
 114
 115/* CW Value */
 116#define DM1105_ODD                              0x50
 117#define DM1105_EVEN                             0x58
 118
 119/* PID Value */
 120#define DM1105_PID                              0x60
 121
 122/* IR Control */
 123#define DM1105_IRCTR                            0x64
 124#define DM1105_IRMODE                           0x68
 125#define DM1105_SYSTEMCODE                       0x6c
 126#define DM1105_IRCODE                           0x70
 127
 128/* Unknown Values */
 129#define DM1105_ENCRYPT                          0x74
 130#define DM1105_VER                              0x7c
 131
 132/* I2C Interface */
 133#define DM1105_I2CCTR                           0x80
 134#define DM1105_I2CSTS                           0x81
 135#define DM1105_I2CDAT                           0x82
 136#define DM1105_I2C_RA                           0x83
 137/* ----------------------------------------------- */
 138/* Interrupt Mask Bits */
 139
 140#define INTMAK_TSIRQM                           0x01
 141#define INTMAK_HIRQM                            0x04
 142#define INTMAK_IRM                              0x08
 143#define INTMAK_ALLMASK                          (INTMAK_TSIRQM | \
 144                                                INTMAK_HIRQM | \
 145                                                INTMAK_IRM)
 146#define INTMAK_NONEMASK                         0x00
 147
 148/* Interrupt Status Bits */
 149#define INTSTS_TSIRQ                            0x01
 150#define INTSTS_HIRQ                             0x04
 151#define INTSTS_IR                               0x08
 152
 153/* IR Control Bits */
 154#define DM1105_IR_EN                            0x01
 155#define DM1105_SYS_CHK                          0x02
 156#define DM1105_REP_FLG                          0x08
 157
 158/* EEPROM addr */
 159#define IIC_24C01_addr                          0xa0
 160/* Max board count */
 161#define DM1105_MAX                              0x04
 162
 163#define DRIVER_NAME                             "dm1105"
 164#define DM1105_I2C_GPIO_NAME                    "dm1105-gpio"
 165
 166#define DM1105_DMA_PACKETS                      47
 167#define DM1105_DMA_PACKET_LENGTH                (128*4)
 168#define DM1105_DMA_BYTES                        (128 * 4 * DM1105_DMA_PACKETS)
 169
 170/*  */
 171#define GPIO08                                  (1 << 8)
 172#define GPIO13                                  (1 << 13)
 173#define GPIO14                                  (1 << 14)
 174#define GPIO15                                  (1 << 15)
 175#define GPIO16                                  (1 << 16)
 176#define GPIO17                                  (1 << 17)
 177#define GPIO_ALL                                0x03ffff
 178
 179/* GPIO's for LNB power control */
 180#define DM1105_LNB_MASK                         (GPIO_ALL & ~(GPIO14 | GPIO13))
 181#define DM1105_LNB_OFF                          GPIO17
 182#define DM1105_LNB_13V                          (GPIO16 | GPIO08)
 183#define DM1105_LNB_18V                          GPIO08
 184
 185/* GPIO's for LNB power control for Axess DM05 */
 186#define DM05_LNB_MASK                           (GPIO_ALL & ~(GPIO14 | GPIO13))
 187#define DM05_LNB_OFF                            GPIO17/* actually 13v */
 188#define DM05_LNB_13V                            GPIO17
 189#define DM05_LNB_18V                            (GPIO17 | GPIO16)
 190
 191/* GPIO's for LNB power control for unbranded with I2C on GPIO */
 192#define UNBR_LNB_MASK                           (GPIO17 | GPIO16)
 193#define UNBR_LNB_OFF                            0
 194#define UNBR_LNB_13V                            GPIO17
 195#define UNBR_LNB_18V                            (GPIO17 | GPIO16)
 196
 197static unsigned int card[]  = {[0 ... 3] = UNSET };
 198module_param_array(card,  int, NULL, 0444);
 199MODULE_PARM_DESC(card, "card type");
 200
 201static int ir_debug;
 202module_param(ir_debug, int, 0644);
 203MODULE_PARM_DESC(ir_debug, "enable debugging information for IR decoding");
 204
 205static unsigned int dm1105_devcount;
 206
 207DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
 208
 209struct dm1105_board {
 210        char    *name;
 211        struct  {
 212                u32     mask, off, v13, v18;
 213        } lnb;
 214        u32     gpio_scl, gpio_sda;
 215};
 216
 217struct dm1105_subid {
 218        u16     subvendor;
 219        u16     subdevice;
 220        u32     card;
 221};
 222
 223static const struct dm1105_board dm1105_boards[] = {
 224        [DM1105_BOARD_UNKNOWN] = {
 225                .name           = "UNKNOWN/GENERIC",
 226                .lnb = {
 227                        .mask = DM1105_LNB_MASK,
 228                        .off = DM1105_LNB_OFF,
 229                        .v13 = DM1105_LNB_13V,
 230                        .v18 = DM1105_LNB_18V,
 231                },
 232        },
 233        [DM1105_BOARD_DVBWORLD_2002] = {
 234                .name           = "DVBWorld PCI 2002",
 235                .lnb = {
 236                        .mask = DM1105_LNB_MASK,
 237                        .off = DM1105_LNB_OFF,
 238                        .v13 = DM1105_LNB_13V,
 239                        .v18 = DM1105_LNB_18V,
 240                },
 241        },
 242        [DM1105_BOARD_DVBWORLD_2004] = {
 243                .name           = "DVBWorld PCI 2004",
 244                .lnb = {
 245                        .mask = DM1105_LNB_MASK,
 246                        .off = DM1105_LNB_OFF,
 247                        .v13 = DM1105_LNB_13V,
 248                        .v18 = DM1105_LNB_18V,
 249                },
 250        },
 251        [DM1105_BOARD_AXESS_DM05] = {
 252                .name           = "Axess/EasyTv DM05",
 253                .lnb = {
 254                        .mask = DM05_LNB_MASK,
 255                        .off = DM05_LNB_OFF,
 256                        .v13 = DM05_LNB_13V,
 257                        .v18 = DM05_LNB_18V,
 258                },
 259        },
 260        [DM1105_BOARD_UNBRANDED_I2C_ON_GPIO] = {
 261                .name           = "Unbranded DM1105 with i2c on GPIOs",
 262                .lnb = {
 263                        .mask = UNBR_LNB_MASK,
 264                        .off = UNBR_LNB_OFF,
 265                        .v13 = UNBR_LNB_13V,
 266                        .v18 = UNBR_LNB_18V,
 267                },
 268                .gpio_scl       = GPIO14,
 269                .gpio_sda       = GPIO13,
 270        },
 271};
 272
 273static const struct dm1105_subid dm1105_subids[] = {
 274        {
 275                .subvendor = 0x0000,
 276                .subdevice = 0x2002,
 277                .card      = DM1105_BOARD_DVBWORLD_2002,
 278        }, {
 279                .subvendor = 0x0001,
 280                .subdevice = 0x2002,
 281                .card      = DM1105_BOARD_DVBWORLD_2002,
 282        }, {
 283                .subvendor = 0x0000,
 284                .subdevice = 0x2004,
 285                .card      = DM1105_BOARD_DVBWORLD_2004,
 286        }, {
 287                .subvendor = 0x0001,
 288                .subdevice = 0x2004,
 289                .card      = DM1105_BOARD_DVBWORLD_2004,
 290        }, {
 291                .subvendor = 0x195d,
 292                .subdevice = 0x1105,
 293                .card      = DM1105_BOARD_AXESS_DM05,
 294        },
 295};
 296
 297static void dm1105_card_list(struct pci_dev *pci)
 298{
 299        int i;
 300
 301        if (0 == pci->subsystem_vendor &&
 302                        0 == pci->subsystem_device) {
 303                printk(KERN_ERR
 304                        "dm1105: Your board has no valid PCI Subsystem ID\n"
 305                        "dm1105: and thus can't be autodetected\n"
 306                        "dm1105: Please pass card=<n> insmod option to\n"
 307                        "dm1105: workaround that.  Redirect complaints to\n"
 308                        "dm1105: the vendor of the TV card.  Best regards,\n"
 309                        "dm1105: -- tux\n");
 310        } else {
 311                printk(KERN_ERR
 312                        "dm1105: Your board isn't known (yet) to the driver.\n"
 313                        "dm1105: You can try to pick one of the existing\n"
 314                        "dm1105: card configs via card=<n> insmod option.\n"
 315                        "dm1105: Updating to the latest version might help\n"
 316                        "dm1105: as well.\n");
 317        }
 318        printk(KERN_ERR "Here is a list of valid choices for the card=<n> "
 319                   "insmod option:\n");
 320        for (i = 0; i < ARRAY_SIZE(dm1105_boards); i++)
 321                printk(KERN_ERR "dm1105:    card=%d -> %s\n",
 322                                i, dm1105_boards[i].name);
 323}
 324
 325/* infrared remote control */
 326struct infrared {
 327        struct rc_dev           *dev;
 328        char                    input_phys[32];
 329        struct work_struct      work;
 330        u32                     ir_command;
 331};
 332
 333struct dm1105_dev {
 334        /* pci */
 335        struct pci_dev *pdev;
 336        u8 __iomem *io_mem;
 337
 338        /* ir */
 339        struct infrared ir;
 340
 341        /* dvb */
 342        struct dmx_frontend hw_frontend;
 343        struct dmx_frontend mem_frontend;
 344        struct dmxdev dmxdev;
 345        struct dvb_adapter dvb_adapter;
 346        struct dvb_demux demux;
 347        struct dvb_frontend *fe;
 348        struct dvb_net dvbnet;
 349        unsigned int full_ts_users;
 350        unsigned int boardnr;
 351        int nr;
 352
 353        /* i2c */
 354        struct i2c_adapter i2c_adap;
 355        struct i2c_adapter i2c_bb_adap;
 356        struct i2c_algo_bit_data i2c_bit;
 357
 358        /* irq */
 359        struct work_struct work;
 360        struct workqueue_struct *wq;
 361        char wqn[16];
 362
 363        /* dma */
 364        dma_addr_t dma_addr;
 365        unsigned char *ts_buf;
 366        u32 wrp;
 367        u32 nextwrp;
 368        u32 buffer_size;
 369        unsigned int    PacketErrorCount;
 370        unsigned int dmarst;
 371        spinlock_t lock;
 372};
 373
 374#define dm_io_mem(reg)  ((unsigned long)(&dev->io_mem[reg]))
 375
 376#define dm_readb(reg)           inb(dm_io_mem(reg))
 377#define dm_writeb(reg, value)   outb((value), (dm_io_mem(reg)))
 378
 379#define dm_readw(reg)           inw(dm_io_mem(reg))
 380#define dm_writew(reg, value)   outw((value), (dm_io_mem(reg)))
 381
 382#define dm_readl(reg)           inl(dm_io_mem(reg))
 383#define dm_writel(reg, value)   outl((value), (dm_io_mem(reg)))
 384
 385#define dm_andorl(reg, mask, value) \
 386        outl((inl(dm_io_mem(reg)) & ~(mask)) |\
 387                ((value) & (mask)), (dm_io_mem(reg)))
 388
 389#define dm_setl(reg, bit)       dm_andorl((reg), (bit), (bit))
 390#define dm_clearl(reg, bit)     dm_andorl((reg), (bit), 0)
 391
 392/* The chip has 18 GPIOs. In HOST mode GPIO's used as 15 bit address lines,
 393 so we can use only 3 GPIO's from GPIO15 to GPIO17.
 394 Here I don't check whether HOST is enebled as it is not implemented yet.
 395 */
 396static void dm1105_gpio_set(struct dm1105_dev *dev, u32 mask)
 397{
 398        if (mask & 0xfffc0000)
 399                printk(KERN_ERR "%s: Only 18 GPIO's are allowed\n", __func__);
 400
 401        if (mask & 0x0003ffff)
 402                dm_setl(DM1105_GPIOVAL, mask & 0x0003ffff);
 403
 404}
 405
 406static void dm1105_gpio_clear(struct dm1105_dev *dev, u32 mask)
 407{
 408        if (mask & 0xfffc0000)
 409                printk(KERN_ERR "%s: Only 18 GPIO's are allowed\n", __func__);
 410
 411        if (mask & 0x0003ffff)
 412                dm_clearl(DM1105_GPIOVAL, mask & 0x0003ffff);
 413
 414}
 415
 416static void dm1105_gpio_andor(struct dm1105_dev *dev, u32 mask, u32 val)
 417{
 418        if (mask & 0xfffc0000)
 419                printk(KERN_ERR "%s: Only 18 GPIO's are allowed\n", __func__);
 420
 421        if (mask & 0x0003ffff)
 422                dm_andorl(DM1105_GPIOVAL, mask & 0x0003ffff, val);
 423
 424}
 425
 426static u32 dm1105_gpio_get(struct dm1105_dev *dev, u32 mask)
 427{
 428        if (mask & 0xfffc0000)
 429                printk(KERN_ERR "%s: Only 18 GPIO's are allowed\n", __func__);
 430
 431        if (mask & 0x0003ffff)
 432                return dm_readl(DM1105_GPIOVAL) & mask & 0x0003ffff;
 433
 434        return 0;
 435}
 436
 437static void dm1105_gpio_enable(struct dm1105_dev *dev, u32 mask, int asoutput)
 438{
 439        if (mask & 0xfffc0000)
 440                printk(KERN_ERR "%s: Only 18 GPIO's are allowed\n", __func__);
 441
 442        if ((mask & 0x0003ffff) && asoutput)
 443                dm_clearl(DM1105_GPIOCTR, mask & 0x0003ffff);
 444        else if ((mask & 0x0003ffff) && !asoutput)
 445                dm_setl(DM1105_GPIOCTR, mask & 0x0003ffff);
 446
 447}
 448
 449static void dm1105_setline(struct dm1105_dev *dev, u32 line, int state)
 450{
 451        if (state)
 452                dm1105_gpio_enable(dev, line, 0);
 453        else {
 454                dm1105_gpio_enable(dev, line, 1);
 455                dm1105_gpio_clear(dev, line);
 456        }
 457}
 458
 459static void dm1105_setsda(void *data, int state)
 460{
 461        struct dm1105_dev *dev = data;
 462
 463        dm1105_setline(dev, dm1105_boards[dev->boardnr].gpio_sda, state);
 464}
 465
 466static void dm1105_setscl(void *data, int state)
 467{
 468        struct dm1105_dev *dev = data;
 469
 470        dm1105_setline(dev, dm1105_boards[dev->boardnr].gpio_scl, state);
 471}
 472
 473static int dm1105_getsda(void *data)
 474{
 475        struct dm1105_dev *dev = data;
 476
 477        return dm1105_gpio_get(dev, dm1105_boards[dev->boardnr].gpio_sda)
 478                                                                        ? 1 : 0;
 479}
 480
 481static int dm1105_getscl(void *data)
 482{
 483        struct dm1105_dev *dev = data;
 484
 485        return dm1105_gpio_get(dev, dm1105_boards[dev->boardnr].gpio_scl)
 486                                                                        ? 1 : 0;
 487}
 488
 489static int dm1105_i2c_xfer(struct i2c_adapter *i2c_adap,
 490                            struct i2c_msg *msgs, int num)
 491{
 492        struct dm1105_dev *dev ;
 493
 494        int addr, rc, i, j, k, len, byte, data;
 495        u8 status;
 496
 497        dev = i2c_adap->algo_data;
 498        for (i = 0; i < num; i++) {
 499                dm_writeb(DM1105_I2CCTR, 0x00);
 500                if (msgs[i].flags & I2C_M_RD) {
 501                        /* read bytes */
 502                        addr  = msgs[i].addr << 1;
 503                        addr |= 1;
 504                        dm_writeb(DM1105_I2CDAT, addr);
 505                        for (byte = 0; byte < msgs[i].len; byte++)
 506                                dm_writeb(DM1105_I2CDAT + byte + 1, 0);
 507
 508                        dm_writeb(DM1105_I2CCTR, 0x81 + msgs[i].len);
 509                        for (j = 0; j < 55; j++) {
 510                                mdelay(10);
 511                                status = dm_readb(DM1105_I2CSTS);
 512                                if ((status & 0xc0) == 0x40)
 513                                        break;
 514                        }
 515                        if (j >= 55)
 516                                return -1;
 517
 518                        for (byte = 0; byte < msgs[i].len; byte++) {
 519                                rc = dm_readb(DM1105_I2CDAT + byte + 1);
 520                                if (rc < 0)
 521                                        goto err;
 522                                msgs[i].buf[byte] = rc;
 523                        }
 524                } else if ((msgs[i].buf[0] == 0xf7) && (msgs[i].addr == 0x55)) {
 525                        /* prepaired for cx24116 firmware */
 526                        /* Write in small blocks */
 527                        len = msgs[i].len - 1;
 528                        k = 1;
 529                        do {
 530                                dm_writeb(DM1105_I2CDAT, msgs[i].addr << 1);
 531                                dm_writeb(DM1105_I2CDAT + 1, 0xf7);
 532                                for (byte = 0; byte < (len > 48 ? 48 : len); byte++) {
 533                                        data = msgs[i].buf[k + byte];
 534                                        dm_writeb(DM1105_I2CDAT + byte + 2, data);
 535                                }
 536                                dm_writeb(DM1105_I2CCTR, 0x82 + (len > 48 ? 48 : len));
 537                                for (j = 0; j < 25; j++) {
 538                                        mdelay(10);
 539                                        status = dm_readb(DM1105_I2CSTS);
 540                                        if ((status & 0xc0) == 0x40)
 541                                                break;
 542                                }
 543
 544                                if (j >= 25)
 545                                        return -1;
 546
 547                                k += 48;
 548                                len -= 48;
 549                        } while (len > 0);
 550                } else {
 551                        /* write bytes */
 552                        dm_writeb(DM1105_I2CDAT, msgs[i].addr << 1);
 553                        for (byte = 0; byte < msgs[i].len; byte++) {
 554                                data = msgs[i].buf[byte];
 555                                dm_writeb(DM1105_I2CDAT + byte + 1, data);
 556                        }
 557                        dm_writeb(DM1105_I2CCTR, 0x81 + msgs[i].len);
 558                        for (j = 0; j < 25; j++) {
 559                                mdelay(10);
 560                                status = dm_readb(DM1105_I2CSTS);
 561                                if ((status & 0xc0) == 0x40)
 562                                        break;
 563                        }
 564
 565                        if (j >= 25)
 566                                return -1;
 567                }
 568        }
 569        return num;
 570 err:
 571        return rc;
 572}
 573
 574static u32 functionality(struct i2c_adapter *adap)
 575{
 576        return I2C_FUNC_I2C;
 577}
 578
 579static struct i2c_algorithm dm1105_algo = {
 580        .master_xfer   = dm1105_i2c_xfer,
 581        .functionality = functionality,
 582};
 583
 584static inline struct dm1105_dev *feed_to_dm1105_dev(struct dvb_demux_feed *feed)
 585{
 586        return container_of(feed->demux, struct dm1105_dev, demux);
 587}
 588
 589static inline struct dm1105_dev *frontend_to_dm1105_dev(struct dvb_frontend *fe)
 590{
 591        return container_of(fe->dvb, struct dm1105_dev, dvb_adapter);
 592}
 593
 594static int dm1105_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage)
 595{
 596        struct dm1105_dev *dev = frontend_to_dm1105_dev(fe);
 597
 598        dm1105_gpio_enable(dev, dm1105_boards[dev->boardnr].lnb.mask, 1);
 599        if (voltage == SEC_VOLTAGE_18)
 600                dm1105_gpio_andor(dev,
 601                                dm1105_boards[dev->boardnr].lnb.mask,
 602                                dm1105_boards[dev->boardnr].lnb.v18);
 603        else if (voltage == SEC_VOLTAGE_13)
 604                dm1105_gpio_andor(dev,
 605                                dm1105_boards[dev->boardnr].lnb.mask,
 606                                dm1105_boards[dev->boardnr].lnb.v13);
 607        else
 608                dm1105_gpio_andor(dev,
 609                                dm1105_boards[dev->boardnr].lnb.mask,
 610                                dm1105_boards[dev->boardnr].lnb.off);
 611
 612        return 0;
 613}
 614
 615static void dm1105_set_dma_addr(struct dm1105_dev *dev)
 616{
 617        dm_writel(DM1105_STADR, cpu_to_le32(dev->dma_addr));
 618}
 619
 620static int dm1105_dma_map(struct dm1105_dev *dev)
 621{
 622        dev->ts_buf = pci_alloc_consistent(dev->pdev,
 623                                        6 * DM1105_DMA_BYTES,
 624                                        &dev->dma_addr);
 625
 626        return !dev->ts_buf;
 627}
 628
 629static void dm1105_dma_unmap(struct dm1105_dev *dev)
 630{
 631        pci_free_consistent(dev->pdev,
 632                        6 * DM1105_DMA_BYTES,
 633                        dev->ts_buf,
 634                        dev->dma_addr);
 635}
 636
 637static void dm1105_enable_irqs(struct dm1105_dev *dev)
 638{
 639        dm_writeb(DM1105_INTMAK, INTMAK_ALLMASK);
 640        dm_writeb(DM1105_CR, 1);
 641}
 642
 643static void dm1105_disable_irqs(struct dm1105_dev *dev)
 644{
 645        dm_writeb(DM1105_INTMAK, INTMAK_IRM);
 646        dm_writeb(DM1105_CR, 0);
 647}
 648
 649static int dm1105_start_feed(struct dvb_demux_feed *f)
 650{
 651        struct dm1105_dev *dev = feed_to_dm1105_dev(f);
 652
 653        if (dev->full_ts_users++ == 0)
 654                dm1105_enable_irqs(dev);
 655
 656        return 0;
 657}
 658
 659static int dm1105_stop_feed(struct dvb_demux_feed *f)
 660{
 661        struct dm1105_dev *dev = feed_to_dm1105_dev(f);
 662
 663        if (--dev->full_ts_users == 0)
 664                dm1105_disable_irqs(dev);
 665
 666        return 0;
 667}
 668
 669/* ir work handler */
 670static void dm1105_emit_key(struct work_struct *work)
 671{
 672        struct infrared *ir = container_of(work, struct infrared, work);
 673        u32 ircom = ir->ir_command;
 674        u8 data;
 675
 676        if (ir_debug)
 677                printk(KERN_INFO "%s: received byte 0x%04x\n", __func__, ircom);
 678
 679        data = (ircom >> 8) & 0x7f;
 680
 681        rc_keydown(ir->dev, data, 0);
 682}
 683
 684/* work handler */
 685static void dm1105_dmx_buffer(struct work_struct *work)
 686{
 687        struct dm1105_dev *dev = container_of(work, struct dm1105_dev, work);
 688        unsigned int nbpackets;
 689        u32 oldwrp = dev->wrp;
 690        u32 nextwrp = dev->nextwrp;
 691
 692        if (!((dev->ts_buf[oldwrp] == 0x47) &&
 693                        (dev->ts_buf[oldwrp + 188] == 0x47) &&
 694                        (dev->ts_buf[oldwrp + 188 * 2] == 0x47))) {
 695                dev->PacketErrorCount++;
 696                /* bad packet found */
 697                if ((dev->PacketErrorCount >= 2) &&
 698                                (dev->dmarst == 0)) {
 699                        dm_writeb(DM1105_RST, 1);
 700                        dev->wrp = 0;
 701                        dev->PacketErrorCount = 0;
 702                        dev->dmarst = 0;
 703                        return;
 704                }
 705        }
 706
 707        if (nextwrp < oldwrp) {
 708                memcpy(dev->ts_buf + dev->buffer_size, dev->ts_buf, nextwrp);
 709                nbpackets = ((dev->buffer_size - oldwrp) + nextwrp) / 188;
 710        } else
 711                nbpackets = (nextwrp - oldwrp) / 188;
 712
 713        dev->wrp = nextwrp;
 714        dvb_dmx_swfilter_packets(&dev->demux, &dev->ts_buf[oldwrp], nbpackets);
 715}
 716
 717static irqreturn_t dm1105_irq(int irq, void *dev_id)
 718{
 719        struct dm1105_dev *dev = dev_id;
 720
 721        /* Read-Write INSTS Ack's Interrupt for DM1105 chip 16.03.2008 */
 722        unsigned int intsts = dm_readb(DM1105_INTSTS);
 723        dm_writeb(DM1105_INTSTS, intsts);
 724
 725        switch (intsts) {
 726        case INTSTS_TSIRQ:
 727        case (INTSTS_TSIRQ | INTSTS_IR):
 728                dev->nextwrp = dm_readl(DM1105_WRP) - dm_readl(DM1105_STADR);
 729                queue_work(dev->wq, &dev->work);
 730                break;
 731        case INTSTS_IR:
 732                dev->ir.ir_command = dm_readl(DM1105_IRCODE);
 733                schedule_work(&dev->ir.work);
 734                break;
 735        }
 736
 737        return IRQ_HANDLED;
 738}
 739
 740static int dm1105_ir_init(struct dm1105_dev *dm1105)
 741{
 742        struct rc_dev *dev;
 743        int err = -ENOMEM;
 744
 745        dev = rc_allocate_device();
 746        if (!dev)
 747                return -ENOMEM;
 748
 749        snprintf(dm1105->ir.input_phys, sizeof(dm1105->ir.input_phys),
 750                "pci-%s/ir0", pci_name(dm1105->pdev));
 751
 752        dev->driver_name = MODULE_NAME;
 753        dev->map_name = RC_MAP_DM1105_NEC;
 754        dev->driver_type = RC_DRIVER_SCANCODE;
 755        dev->input_name = "DVB on-card IR receiver";
 756        dev->input_phys = dm1105->ir.input_phys;
 757        dev->input_id.bustype = BUS_PCI;
 758        dev->input_id.version = 1;
 759        if (dm1105->pdev->subsystem_vendor) {
 760                dev->input_id.vendor = dm1105->pdev->subsystem_vendor;
 761                dev->input_id.product = dm1105->pdev->subsystem_device;
 762        } else {
 763                dev->input_id.vendor = dm1105->pdev->vendor;
 764                dev->input_id.product = dm1105->pdev->device;
 765        }
 766        dev->dev.parent = &dm1105->pdev->dev;
 767
 768        INIT_WORK(&dm1105->ir.work, dm1105_emit_key);
 769
 770        err = rc_register_device(dev);
 771        if (err < 0) {
 772                rc_free_device(dev);
 773                return err;
 774        }
 775
 776        dm1105->ir.dev = dev;
 777        return 0;
 778}
 779
 780static void dm1105_ir_exit(struct dm1105_dev *dm1105)
 781{
 782        rc_unregister_device(dm1105->ir.dev);
 783}
 784
 785static int dm1105_hw_init(struct dm1105_dev *dev)
 786{
 787        dm1105_disable_irqs(dev);
 788
 789        dm_writeb(DM1105_HOST_CTR, 0);
 790
 791        /*DATALEN 188,*/
 792        dm_writeb(DM1105_DTALENTH, 188);
 793        /*TS_STRT TS_VALP MSBFIRST TS_MODE ALPAS TSPES*/
 794        dm_writew(DM1105_TSCTR, 0xc10a);
 795
 796        /* map DMA and set address */
 797        dm1105_dma_map(dev);
 798        dm1105_set_dma_addr(dev);
 799        /* big buffer */
 800        dm_writel(DM1105_RLEN, 5 * DM1105_DMA_BYTES);
 801        dm_writeb(DM1105_INTCNT, 47);
 802
 803        /* IR NEC mode enable */
 804        dm_writeb(DM1105_IRCTR, (DM1105_IR_EN | DM1105_SYS_CHK));
 805        dm_writeb(DM1105_IRMODE, 0);
 806        dm_writew(DM1105_SYSTEMCODE, 0);
 807
 808        return 0;
 809}
 810
 811static void dm1105_hw_exit(struct dm1105_dev *dev)
 812{
 813        dm1105_disable_irqs(dev);
 814
 815        /* IR disable */
 816        dm_writeb(DM1105_IRCTR, 0);
 817        dm_writeb(DM1105_INTMAK, INTMAK_NONEMASK);
 818
 819        dm1105_dma_unmap(dev);
 820}
 821
 822static struct stv0299_config sharp_z0194a_config = {
 823        .demod_address = 0x68,
 824        .inittab = sharp_z0194a_inittab,
 825        .mclk = 88000000UL,
 826        .invert = 1,
 827        .skip_reinit = 0,
 828        .lock_output = STV0299_LOCKOUTPUT_1,
 829        .volt13_op0_op1 = STV0299_VOLT13_OP1,
 830        .min_delay_ms = 100,
 831        .set_symbol_rate = sharp_z0194a_set_symbol_rate,
 832};
 833
 834static struct stv0288_config earda_config = {
 835        .demod_address = 0x68,
 836        .min_delay_ms = 100,
 837};
 838
 839static struct si21xx_config serit_config = {
 840        .demod_address = 0x68,
 841        .min_delay_ms = 100,
 842
 843};
 844
 845static struct cx24116_config serit_sp2633_config = {
 846        .demod_address = 0x55,
 847};
 848
 849static struct ds3000_config dvbworld_ds3000_config = {
 850        .demod_address = 0x68,
 851};
 852
 853static struct ts2020_config dvbworld_ts2020_config  = {
 854        .tuner_address = 0x60,
 855        .clk_out_div = 1,
 856};
 857
 858static int frontend_init(struct dm1105_dev *dev)
 859{
 860        int ret;
 861
 862        switch (dev->boardnr) {
 863        case DM1105_BOARD_UNBRANDED_I2C_ON_GPIO:
 864                dm1105_gpio_enable(dev, GPIO15, 1);
 865                dm1105_gpio_clear(dev, GPIO15);
 866                msleep(100);
 867                dm1105_gpio_set(dev, GPIO15);
 868                msleep(200);
 869                dev->fe = dvb_attach(
 870                        stv0299_attach, &sharp_z0194a_config,
 871                        &dev->i2c_bb_adap);
 872                if (dev->fe) {
 873                        dev->fe->ops.set_voltage = dm1105_set_voltage;
 874                        dvb_attach(dvb_pll_attach, dev->fe, 0x60,
 875                                        &dev->i2c_bb_adap, DVB_PLL_OPERA1);
 876                        break;
 877                }
 878
 879                dev->fe = dvb_attach(
 880                        stv0288_attach, &earda_config,
 881                        &dev->i2c_bb_adap);
 882                if (dev->fe) {
 883                        dev->fe->ops.set_voltage = dm1105_set_voltage;
 884                        dvb_attach(stb6000_attach, dev->fe, 0x61,
 885                                        &dev->i2c_bb_adap);
 886                        break;
 887                }
 888
 889                dev->fe = dvb_attach(
 890                        si21xx_attach, &serit_config,
 891                        &dev->i2c_bb_adap);
 892                if (dev->fe)
 893                        dev->fe->ops.set_voltage = dm1105_set_voltage;
 894                break;
 895        case DM1105_BOARD_DVBWORLD_2004:
 896                dev->fe = dvb_attach(
 897                        cx24116_attach, &serit_sp2633_config,
 898                        &dev->i2c_adap);
 899                if (dev->fe) {
 900                        dev->fe->ops.set_voltage = dm1105_set_voltage;
 901                        break;
 902                }
 903
 904                dev->fe = dvb_attach(
 905                        ds3000_attach, &dvbworld_ds3000_config,
 906                        &dev->i2c_adap);
 907                if (dev->fe) {
 908                        dvb_attach(ts2020_attach, dev->fe,
 909                                &dvbworld_ts2020_config, &dev->i2c_adap);
 910                        dev->fe->ops.set_voltage = dm1105_set_voltage;
 911                }
 912
 913                break;
 914        case DM1105_BOARD_DVBWORLD_2002:
 915        case DM1105_BOARD_AXESS_DM05:
 916        default:
 917                dev->fe = dvb_attach(
 918                        stv0299_attach, &sharp_z0194a_config,
 919                        &dev->i2c_adap);
 920                if (dev->fe) {
 921                        dev->fe->ops.set_voltage = dm1105_set_voltage;
 922                        dvb_attach(dvb_pll_attach, dev->fe, 0x60,
 923                                        &dev->i2c_adap, DVB_PLL_OPERA1);
 924                        break;
 925                }
 926
 927                dev->fe = dvb_attach(
 928                        stv0288_attach, &earda_config,
 929                        &dev->i2c_adap);
 930                if (dev->fe) {
 931                        dev->fe->ops.set_voltage = dm1105_set_voltage;
 932                        dvb_attach(stb6000_attach, dev->fe, 0x61,
 933                                        &dev->i2c_adap);
 934                        break;
 935                }
 936
 937                dev->fe = dvb_attach(
 938                        si21xx_attach, &serit_config,
 939                        &dev->i2c_adap);
 940                if (dev->fe)
 941                        dev->fe->ops.set_voltage = dm1105_set_voltage;
 942
 943        }
 944
 945        if (!dev->fe) {
 946                dev_err(&dev->pdev->dev, "could not attach frontend\n");
 947                return -ENODEV;
 948        }
 949
 950        ret = dvb_register_frontend(&dev->dvb_adapter, dev->fe);
 951        if (ret < 0) {
 952                if (dev->fe->ops.release)
 953                        dev->fe->ops.release(dev->fe);
 954                dev->fe = NULL;
 955                return ret;
 956        }
 957
 958        return 0;
 959}
 960
 961static void dm1105_read_mac(struct dm1105_dev *dev, u8 *mac)
 962{
 963        static u8 command[1] = { 0x28 };
 964
 965        struct i2c_msg msg[] = {
 966                {
 967                        .addr = IIC_24C01_addr >> 1,
 968                        .flags = 0,
 969                        .buf = command,
 970                        .len = 1
 971                }, {
 972                        .addr = IIC_24C01_addr >> 1,
 973                        .flags = I2C_M_RD,
 974                        .buf = mac,
 975                        .len = 6
 976                },
 977        };
 978
 979        dm1105_i2c_xfer(&dev->i2c_adap, msg , 2);
 980        dev_info(&dev->pdev->dev, "MAC %pM\n", mac);
 981}
 982
 983static int dm1105_probe(struct pci_dev *pdev,
 984                                  const struct pci_device_id *ent)
 985{
 986        struct dm1105_dev *dev;
 987        struct dvb_adapter *dvb_adapter;
 988        struct dvb_demux *dvbdemux;
 989        struct dmx_demux *dmx;
 990        int ret = -ENOMEM;
 991        int i;
 992
 993        dev = kzalloc(sizeof(struct dm1105_dev), GFP_KERNEL);
 994        if (!dev)
 995                return -ENOMEM;
 996
 997        /* board config */
 998        dev->nr = dm1105_devcount;
 999        dev->boardnr = UNSET;
1000        if (card[dev->nr] < ARRAY_SIZE(dm1105_boards))
1001                dev->boardnr = card[dev->nr];
1002        for (i = 0; UNSET == dev->boardnr &&
1003                                i < ARRAY_SIZE(dm1105_subids); i++)
1004                if (pdev->subsystem_vendor ==
1005                        dm1105_subids[i].subvendor &&
1006                                pdev->subsystem_device ==
1007                                        dm1105_subids[i].subdevice)
1008                        dev->boardnr = dm1105_subids[i].card;
1009
1010        if (UNSET == dev->boardnr) {
1011                dev->boardnr = DM1105_BOARD_UNKNOWN;
1012                dm1105_card_list(pdev);
1013        }
1014
1015        dm1105_devcount++;
1016        dev->pdev = pdev;
1017        dev->buffer_size = 5 * DM1105_DMA_BYTES;
1018        dev->PacketErrorCount = 0;
1019        dev->dmarst = 0;
1020
1021        ret = pci_enable_device(pdev);
1022        if (ret < 0)
1023                goto err_kfree;
1024
1025        ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
1026        if (ret < 0)
1027                goto err_pci_disable_device;
1028
1029        pci_set_master(pdev);
1030
1031        ret = pci_request_regions(pdev, DRIVER_NAME);
1032        if (ret < 0)
1033                goto err_pci_disable_device;
1034
1035        dev->io_mem = pci_iomap(pdev, 0, pci_resource_len(pdev, 0));
1036        if (!dev->io_mem) {
1037                ret = -EIO;
1038                goto err_pci_release_regions;
1039        }
1040
1041        spin_lock_init(&dev->lock);
1042        pci_set_drvdata(pdev, dev);
1043
1044        ret = dm1105_hw_init(dev);
1045        if (ret < 0)
1046                goto err_pci_iounmap;
1047
1048        /* i2c */
1049        i2c_set_adapdata(&dev->i2c_adap, dev);
1050        strcpy(dev->i2c_adap.name, DRIVER_NAME);
1051        dev->i2c_adap.owner = THIS_MODULE;
1052        dev->i2c_adap.dev.parent = &pdev->dev;
1053        dev->i2c_adap.algo = &dm1105_algo;
1054        dev->i2c_adap.algo_data = dev;
1055        ret = i2c_add_adapter(&dev->i2c_adap);
1056
1057        if (ret < 0)
1058                goto err_dm1105_hw_exit;
1059
1060        i2c_set_adapdata(&dev->i2c_bb_adap, dev);
1061        strcpy(dev->i2c_bb_adap.name, DM1105_I2C_GPIO_NAME);
1062        dev->i2c_bb_adap.owner = THIS_MODULE;
1063        dev->i2c_bb_adap.dev.parent = &pdev->dev;
1064        dev->i2c_bb_adap.algo_data = &dev->i2c_bit;
1065        dev->i2c_bit.data = dev;
1066        dev->i2c_bit.setsda = dm1105_setsda;
1067        dev->i2c_bit.setscl = dm1105_setscl;
1068        dev->i2c_bit.getsda = dm1105_getsda;
1069        dev->i2c_bit.getscl = dm1105_getscl;
1070        dev->i2c_bit.udelay = 10;
1071        dev->i2c_bit.timeout = 10;
1072
1073        /* Raise SCL and SDA */
1074        dm1105_setsda(dev, 1);
1075        dm1105_setscl(dev, 1);
1076
1077        ret = i2c_bit_add_bus(&dev->i2c_bb_adap);
1078        if (ret < 0)
1079                goto err_i2c_del_adapter;
1080
1081        /* dvb */
1082        ret = dvb_register_adapter(&dev->dvb_adapter, DRIVER_NAME,
1083                                        THIS_MODULE, &pdev->dev, adapter_nr);
1084        if (ret < 0)
1085                goto err_i2c_del_adapters;
1086
1087        dvb_adapter = &dev->dvb_adapter;
1088
1089        dm1105_read_mac(dev, dvb_adapter->proposed_mac);
1090
1091        dvbdemux = &dev->demux;
1092        dvbdemux->filternum = 256;
1093        dvbdemux->feednum = 256;
1094        dvbdemux->start_feed = dm1105_start_feed;
1095        dvbdemux->stop_feed = dm1105_stop_feed;
1096        dvbdemux->dmx.capabilities = (DMX_TS_FILTERING |
1097                        DMX_SECTION_FILTERING | DMX_MEMORY_BASED_FILTERING);
1098        ret = dvb_dmx_init(dvbdemux);
1099        if (ret < 0)
1100                goto err_dvb_unregister_adapter;
1101
1102        dmx = &dvbdemux->dmx;
1103        dev->dmxdev.filternum = 256;
1104        dev->dmxdev.demux = dmx;
1105        dev->dmxdev.capabilities = 0;
1106
1107        ret = dvb_dmxdev_init(&dev->dmxdev, dvb_adapter);
1108        if (ret < 0)
1109                goto err_dvb_dmx_release;
1110
1111        dev->hw_frontend.source = DMX_FRONTEND_0;
1112
1113        ret = dmx->add_frontend(dmx, &dev->hw_frontend);
1114        if (ret < 0)
1115                goto err_dvb_dmxdev_release;
1116
1117        dev->mem_frontend.source = DMX_MEMORY_FE;
1118
1119        ret = dmx->add_frontend(dmx, &dev->mem_frontend);
1120        if (ret < 0)
1121                goto err_remove_hw_frontend;
1122
1123        ret = dmx->connect_frontend(dmx, &dev->hw_frontend);
1124        if (ret < 0)
1125                goto err_remove_mem_frontend;
1126
1127        ret = dvb_net_init(dvb_adapter, &dev->dvbnet, dmx);
1128        if (ret < 0)
1129                goto err_disconnect_frontend;
1130
1131        ret = frontend_init(dev);
1132        if (ret < 0)
1133                goto err_dvb_net;
1134
1135        dm1105_ir_init(dev);
1136
1137        INIT_WORK(&dev->work, dm1105_dmx_buffer);
1138        sprintf(dev->wqn, "%s/%d", dvb_adapter->name, dvb_adapter->num);
1139        dev->wq = create_singlethread_workqueue(dev->wqn);
1140        if (!dev->wq) {
1141                ret = -ENOMEM;
1142                goto err_dvb_net;
1143        }
1144
1145        ret = request_irq(pdev->irq, dm1105_irq, IRQF_SHARED,
1146                                                DRIVER_NAME, dev);
1147        if (ret < 0)
1148                goto err_workqueue;
1149
1150        return 0;
1151
1152err_workqueue:
1153        destroy_workqueue(dev->wq);
1154err_dvb_net:
1155        dvb_net_release(&dev->dvbnet);
1156err_disconnect_frontend:
1157        dmx->disconnect_frontend(dmx);
1158err_remove_mem_frontend:
1159        dmx->remove_frontend(dmx, &dev->mem_frontend);
1160err_remove_hw_frontend:
1161        dmx->remove_frontend(dmx, &dev->hw_frontend);
1162err_dvb_dmxdev_release:
1163        dvb_dmxdev_release(&dev->dmxdev);
1164err_dvb_dmx_release:
1165        dvb_dmx_release(dvbdemux);
1166err_dvb_unregister_adapter:
1167        dvb_unregister_adapter(dvb_adapter);
1168err_i2c_del_adapters:
1169        i2c_del_adapter(&dev->i2c_bb_adap);
1170err_i2c_del_adapter:
1171        i2c_del_adapter(&dev->i2c_adap);
1172err_dm1105_hw_exit:
1173        dm1105_hw_exit(dev);
1174err_pci_iounmap:
1175        pci_iounmap(pdev, dev->io_mem);
1176err_pci_release_regions:
1177        pci_release_regions(pdev);
1178err_pci_disable_device:
1179        pci_disable_device(pdev);
1180err_kfree:
1181        kfree(dev);
1182        return ret;
1183}
1184
1185static void dm1105_remove(struct pci_dev *pdev)
1186{
1187        struct dm1105_dev *dev = pci_get_drvdata(pdev);
1188        struct dvb_adapter *dvb_adapter = &dev->dvb_adapter;
1189        struct dvb_demux *dvbdemux = &dev->demux;
1190        struct dmx_demux *dmx = &dvbdemux->dmx;
1191
1192        dm1105_ir_exit(dev);
1193        dmx->close(dmx);
1194        dvb_net_release(&dev->dvbnet);
1195        if (dev->fe)
1196                dvb_unregister_frontend(dev->fe);
1197
1198        dmx->disconnect_frontend(dmx);
1199        dmx->remove_frontend(dmx, &dev->mem_frontend);
1200        dmx->remove_frontend(dmx, &dev->hw_frontend);
1201        dvb_dmxdev_release(&dev->dmxdev);
1202        dvb_dmx_release(dvbdemux);
1203        dvb_unregister_adapter(dvb_adapter);
1204        i2c_del_adapter(&dev->i2c_adap);
1205
1206        dm1105_hw_exit(dev);
1207        synchronize_irq(pdev->irq);
1208        free_irq(pdev->irq, dev);
1209        pci_iounmap(pdev, dev->io_mem);
1210        pci_release_regions(pdev);
1211        pci_disable_device(pdev);
1212        dm1105_devcount--;
1213        kfree(dev);
1214}
1215
1216static struct pci_device_id dm1105_id_table[] = {
1217        {
1218                .vendor = PCI_VENDOR_ID_TRIGEM,
1219                .device = PCI_DEVICE_ID_DM1105,
1220                .subvendor = PCI_ANY_ID,
1221                .subdevice = PCI_ANY_ID,
1222        }, {
1223                .vendor = PCI_VENDOR_ID_AXESS,
1224                .device = PCI_DEVICE_ID_DM05,
1225                .subvendor = PCI_ANY_ID,
1226                .subdevice = PCI_ANY_ID,
1227        }, {
1228                /* empty */
1229        },
1230};
1231
1232MODULE_DEVICE_TABLE(pci, dm1105_id_table);
1233
1234static struct pci_driver dm1105_driver = {
1235        .name = DRIVER_NAME,
1236        .id_table = dm1105_id_table,
1237        .probe = dm1105_probe,
1238        .remove = dm1105_remove,
1239};
1240
1241module_pci_driver(dm1105_driver);
1242
1243MODULE_AUTHOR("Igor M. Liplianin <liplianin@me.by>");
1244MODULE_DESCRIPTION("SDMC DM1105 DVB driver");
1245MODULE_LICENSE("GPL");
1246