drivers/media/dvb/pluto2/pluto2.c

   1 /*
   2  * pluto2.c - Satelco Easywatch Mobile Terrestrial Receiver [DVB-T]
   3  *
   4  * Copyright (C) 2005 Andreas Oberritter <obi@linuxtv.org>
   5  *
   6  * based on pluto2.c 1.10 - http://instinct-wp8.no-ip.org/pluto/
   7  *      by Dany Salman <salmandany@yahoo.fr>
   8  *      Copyright (c) 2004 TDF
   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
  26 #include <linux/i2c.h>
  27 #include <linux/i2c-algo-bit.h>
  28 #include <linux/init.h>
  29 #include <linux/kernel.h>
  30 #include <linux/module.h>
  31 #include <linux/pci.h>
  32 #include <linux/dma-mapping.h>
  33 #include <linux/slab.h>
  34
  35 #include "demux.h"
  36 #include "dmxdev.h"
  37 #include "dvb_demux.h"
  38 #include "dvb_frontend.h"
  39 #include "dvb_net.h"
  40 #include "dvbdev.h"
  41 #include "tda1004x.h"
  42
  43 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
  44
  45 #define DRIVER_NAME             "pluto2"
  46
  47 #define REG_PIDn(n)             ((n) << 2)      /* PID n pattern registers */
  48 #define REG_PCAR                0x0020          /* PC address register */
  49 #define REG_TSCR                0x0024          /* TS ctrl & status */
  50 #define REG_MISC                0x0028          /* miscellaneous */
  51 #define REG_MMAC                0x002c          /* MSB MAC address */
  52 #define REG_IMAC                0x0030          /* ISB MAC address */
  53 #define REG_LMAC                0x0034          /* LSB MAC address */
  54 #define REG_SPID                0x0038          /* SPI data */
  55 #define REG_SLCS                0x003c          /* serial links ctrl/status */
  56
  57 #define PID0_NOFIL              (0x0001 << 16)
  58 #define PIDn_ENP                (0x0001 << 15)
  59 #define PID0_END                (0x0001 << 14)
  60 #define PID0_AFIL               (0x0001 << 13)
  61 #define PIDn_PID                (0x1fff <<  0)
  62
  63 #define TSCR_NBPACKETS          (0x00ff << 24)
  64 #define TSCR_DEM                (0x0001 << 17)
  65 #define TSCR_DE                 (0x0001 << 16)
  66 #define TSCR_RSTN               (0x0001 << 15)
  67 #define TSCR_MSKO               (0x0001 << 14)
  68 #define TSCR_MSKA               (0x0001 << 13)
  69 #define TSCR_MSKL               (0x0001 << 12)
  70 #define TSCR_OVR                (0x0001 << 11)
  71 #define TSCR_AFUL               (0x0001 << 10)
  72 #define TSCR_LOCK               (0x0001 <<  9)
  73 #define TSCR_IACK               (0x0001 <<  8)
  74 #define TSCR_ADEF               (0x007f <<  0)
  75
  76 #define MISC_DVR                (0x0fff <<  4)
  77 #define MISC_ALED               (0x0001 <<  3)
  78 #define MISC_FRST               (0x0001 <<  2)
  79 #define MISC_LED1               (0x0001 <<  1)
  80 #define MISC_LED0               (0x0001 <<  0)
  81
  82 #define SPID_SPIDR              (0x00ff <<  0)
  83
  84 #define SLCS_SCL                (0x0001 <<  7)
  85 #define SLCS_SDA                (0x0001 <<  6)
  86 #define SLCS_CSN                (0x0001 <<  2)
  87 #define SLCS_OVR                (0x0001 <<  1)
  88 #define SLCS_SWC                (0x0001 <<  0)
  89
  90 #define TS_DMA_PACKETS          (8)
  91 #define TS_DMA_BYTES            (188 * TS_DMA_PACKETS)
  92
  93 #define I2C_ADDR_TDA10046       0x10
  94 #define I2C_ADDR_TUA6034        0xc2
  95 #define NHWFILTERS              8
  96
  97 struct pluto {
  98         /* pci */
  99         struct pci_dev *pdev;
 100         u8 __iomem *io_mem;
 101
 102         /* dvb */
 103         struct dmx_frontend hw_frontend;
 104         struct dmx_frontend mem_frontend;
 105         struct dmxdev dmxdev;
 106         struct dvb_adapter dvb_adapter;
 107         struct dvb_demux demux;
 108         struct dvb_frontend *fe;
 109         struct dvb_net dvbnet;
 110         unsigned int full_ts_users;
 111         unsigned int users;
 112
 113         /* i2c */
 114         struct i2c_algo_bit_data i2c_bit;
 115         struct i2c_adapter i2c_adap;
 116         unsigned int i2cbug;
 117
 118         /* irq */
 119         unsigned int overflow;
 120         unsigned int dead;
 121
 122         /* dma */
 123         dma_addr_t dma_addr;
 124         u8 dma_buf[TS_DMA_BYTES];
 125         u8 dummy[4096];
 126 };
 127
 128 static inline struct pluto *feed_to_pluto(struct dvb_demux_feed *feed)
 129 {
 130         return container_of(feed->demux, struct pluto, demux);
 131 }
 132
 133 static inline struct pluto *frontend_to_pluto(struct dvb_frontend *fe)
 134 {
 135         return container_of(fe->dvb, struct pluto, dvb_adapter);
 136 }
 137
 138 static inline u32 pluto_readreg(struct pluto *pluto, u32 reg)
 139 {
 140         return readl(&pluto->io_mem[reg]);
 141 }
 142
 143 static inline void pluto_writereg(struct pluto *pluto, u32 reg, u32 val)
 144 {
 145         writel(val, &pluto->io_mem[reg]);
 146 }
 147
 148 static inline void pluto_rw(struct pluto *pluto, u32 reg, u32 mask, u32 bits)
 149 {
 150         u32 val = readl(&pluto->io_mem[reg]);
 151         val &= ~mask;
 152         val |= bits;
 153         writel(val, &pluto->io_mem[reg]);
 154 }
 155
 156 static void pluto_write_tscr(struct pluto *pluto, u32 val)
 157 {
 158         /* set the number of packets */
 159         val &= ~TSCR_ADEF;
 160         val |= TS_DMA_PACKETS / 2;
 161
 162         pluto_writereg(pluto, REG_TSCR, val);
 163 }
 164
 165 static void pluto_setsda(void *data, int state)
 166 {
 167         struct pluto *pluto = data;
 168
 169         if (state)
 170                 pluto_rw(pluto, REG_SLCS, SLCS_SDA, SLCS_SDA);
 171         else
 172                 pluto_rw(pluto, REG_SLCS, SLCS_SDA, 0);
 173 }
 174
 175 static void pluto_setscl(void *data, int state)
 176 {
 177         struct pluto *pluto = data;
 178
 179         if (state)
 180                 pluto_rw(pluto, REG_SLCS, SLCS_SCL, SLCS_SCL);
 181         else
 182                 pluto_rw(pluto, REG_SLCS, SLCS_SCL, 0);
 183
 184         /* try to detect i2c_inb() to workaround hardware bug:
 185          * reset SDA to high after SCL has been set to low */
 186         if ((state) && (pluto->i2cbug == 0)) {
 187                 pluto->i2cbug = 1;
 188         } else {
 189                 if ((!state) && (pluto->i2cbug == 1))
 190                         pluto_setsda(pluto, 1);
 191                 pluto->i2cbug = 0;
 192         }
 193 }
 194
 195 static int pluto_getsda(void *data)
 196 {
 197         struct pluto *pluto = data;
 198
 199         return pluto_readreg(pluto, REG_SLCS) & SLCS_SDA;
 200 }
 201
 202 static int pluto_getscl(void *data)
 203 {
 204         struct pluto *pluto = data;
 205
 206         return pluto_readreg(pluto, REG_SLCS) & SLCS_SCL;
 207 }
 208
 209 static void pluto_reset_frontend(struct pluto *pluto, int reenable)
 210 {
 211         u32 val = pluto_readreg(pluto, REG_MISC);
 212
 213         if (val & MISC_FRST) {
 214                 val &= ~MISC_FRST;
 215                 pluto_writereg(pluto, REG_MISC, val);
 216         }
 217         if (reenable) {
 218                 val |= MISC_FRST;
 219                 pluto_writereg(pluto, REG_MISC, val);
 220         }
 221 }
 222
 223 static void pluto_reset_ts(struct pluto *pluto, int reenable)
 224 {
 225         u32 val = pluto_readreg(pluto, REG_TSCR);
 226
 227         if (val & TSCR_RSTN) {
 228                 val &= ~TSCR_RSTN;
 229                 pluto_write_tscr(pluto, val);
 230         }
 231         if (reenable) {
 232                 val |= TSCR_RSTN;
 233                 pluto_write_tscr(pluto, val);
 234         }
 235 }
 236
 237 static void pluto_set_dma_addr(struct pluto *pluto)
 238 {
 239         pluto_writereg(pluto, REG_PCAR, pluto->dma_addr);
 240 }
 241
 242 static int __devinit pluto_dma_map(struct pluto *pluto)
 243 {
 244         pluto->dma_addr = pci_map_single(pluto->pdev, pluto->dma_buf,
 245                         TS_DMA_BYTES, PCI_DMA_FROMDEVICE);
 246
 247         return pci_dma_mapping_error(pluto->pdev, pluto->dma_addr);
 248 }
 249
 250 static void pluto_dma_unmap(struct pluto *pluto)
 251 {
 252         pci_unmap_single(pluto->pdev, pluto->dma_addr,
 253                         TS_DMA_BYTES, PCI_DMA_FROMDEVICE);
 254 }
 255
 256 static int pluto_start_feed(struct dvb_demux_feed *f)
 257 {
 258         struct pluto *pluto = feed_to_pluto(f);
 259
 260         /* enable PID filtering */
 261         if (pluto->users++ == 0)
 262                 pluto_rw(pluto, REG_PIDn(0), PID0_AFIL | PID0_NOFIL, 0);
 263
 264         if ((f->pid < 0x2000) && (f->index < NHWFILTERS))
 265                 pluto_rw(pluto, REG_PIDn(f->index), PIDn_ENP | PIDn_PID, PIDn_ENP | f->pid);
 266         else if (pluto->full_ts_users++ == 0)
 267                 pluto_rw(pluto, REG_PIDn(0), PID0_NOFIL, PID0_NOFIL);
 268
 269         return 0;
 270 }
 271
 272 static int pluto_stop_feed(struct dvb_demux_feed *f)
 273 {
 274         struct pluto *pluto = feed_to_pluto(f);
 275
 276         /* disable PID filtering */
 277         if (--pluto->users == 0)
 278                 pluto_rw(pluto, REG_PIDn(0), PID0_AFIL, PID0_AFIL);
 279
 280         if ((f->pid < 0x2000) && (f->index < NHWFILTERS))
 281                 pluto_rw(pluto, REG_PIDn(f->index), PIDn_ENP | PIDn_PID, 0x1fff);
 282         else if (--pluto->full_ts_users == 0)
 283                 pluto_rw(pluto, REG_PIDn(0), PID0_NOFIL, 0);
 284
 285         return 0;
 286 }
 287
 288 static void pluto_dma_end(struct pluto *pluto, unsigned int nbpackets)
 289 {
 290         /* synchronize the DMA transfer with the CPU
 291          * first so that we see updated contents. */
 292         pci_dma_sync_single_for_cpu(pluto->pdev, pluto->dma_addr,
 293                         TS_DMA_BYTES, PCI_DMA_FROMDEVICE);
 294
 295         /* Workaround for broken hardware:
 296          * [1] On startup NBPACKETS seems to contain an uninitialized value,
 297          *     but no packets have been transfered.
 298          * [2] Sometimes (actually very often) NBPACKETS stays at zero
 299          *     although one packet has been transfered.
 300          * [3] Sometimes (actually rarely), the card gets into an erroneous
 301          *     mode where it continuously generates interrupts, claiming it
 302          *     has recieved nbpackets>TS_DMA_PACKETS packets, but no packet
 303          *     has been transfered. Only a reset seems to solve this
 304          */
 305         if ((nbpackets == 0) || (nbpackets > TS_DMA_PACKETS)) {
 306                 unsigned int i = 0;
 307                 while (pluto->dma_buf[i] == 0x47)
 308                         i += 188;
 309                 nbpackets = i / 188;
 310                 if (i == 0) {
 311                         pluto_reset_ts(pluto, 1);
 312                         dev_printk(KERN_DEBUG, &pluto->pdev->dev, "resetting TS because of invalid packet counter\n");
 313                 }
 314         }
 315
 316         dvb_dmx_swfilter_packets(&pluto->demux, pluto->dma_buf, nbpackets);
 317
 318         /* clear the dma buffer. this is needed to be able to identify
 319          * new valid ts packets above */
 320         memset(pluto->dma_buf, 0, nbpackets * 188);
 321
 322         /* reset the dma address */
 323         pluto_set_dma_addr(pluto);
 324
 325         /* sync the buffer and give it back to the card */
 326         pci_dma_sync_single_for_device(pluto->pdev, pluto->dma_addr,
 327                         TS_DMA_BYTES, PCI_DMA_FROMDEVICE);
 328 }
 329
 330 static irqreturn_t pluto_irq(int irq, void *dev_id)
 331 {
 332         struct pluto *pluto = dev_id;
 333         u32 tscr;
 334
 335         /* check whether an interrupt occured on this device */
 336         tscr = pluto_readreg(pluto, REG_TSCR);
 337         if (!(tscr & (TSCR_DE | TSCR_OVR)))
 338                 return IRQ_NONE;
 339
 340         if (tscr == 0xffffffff) {
 341                 if (pluto->dead == 0)
 342                         dev_err(&pluto->pdev->dev, "card has hung or been ejected.\n");
 343                 /* It's dead Jim */
 344                 pluto->dead = 1;
 345                 return IRQ_HANDLED;
 346         }
 347
 348         /* dma end interrupt */
 349         if (tscr & TSCR_DE) {
 350                 pluto_dma_end(pluto, (tscr & TSCR_NBPACKETS) >> 24);
 351                 /* overflow interrupt */
 352                 if (tscr & TSCR_OVR)
 353                         pluto->overflow++;
 354                 if (pluto->overflow) {
 355                         dev_err(&pluto->pdev->dev, "overflow irq (%d)\n",
 356                                         pluto->overflow);
 357                         pluto_reset_ts(pluto, 1);
 358                         pluto->overflow = 0;
 359                 }
 360         } else if (tscr & TSCR_OVR) {
 361                 pluto->overflow++;
 362         }
 363
 364         /* ACK the interrupt */
 365         pluto_write_tscr(pluto, tscr | TSCR_IACK);
 366
 367         return IRQ_HANDLED;
 368 }
 369
 370 static void __devinit pluto_enable_irqs(struct pluto *pluto)
 371 {
 372         u32 val = pluto_readreg(pluto, REG_TSCR);
 373
 374         /* disable AFUL and LOCK interrupts */
 375         val |= (TSCR_MSKA | TSCR_MSKL);
 376         /* enable DMA and OVERFLOW interrupts */
 377         val &= ~(TSCR_DEM | TSCR_MSKO);
 378         /* clear pending interrupts */
 379         val |= TSCR_IACK;
 380
 381         pluto_write_tscr(pluto, val);
 382 }
 383
 384 static void pluto_disable_irqs(struct pluto *pluto)
 385 {
 386         u32 val = pluto_readreg(pluto, REG_TSCR);
 387
 388         /* disable all interrupts */
 389         val |= (TSCR_DEM | TSCR_MSKO | TSCR_MSKA | TSCR_MSKL);
 390         /* clear pending interrupts */
 391         val |= TSCR_IACK;
 392
 393         pluto_write_tscr(pluto, val);
 394 }
 395
 396 static int __devinit pluto_hw_init(struct pluto *pluto)
 397 {
 398         pluto_reset_frontend(pluto, 1);
 399
 400         /* set automatic LED control by FPGA */
 401         pluto_rw(pluto, REG_MISC, MISC_ALED, MISC_ALED);
 402
 403         /* set data endianess */
 404 #ifdef __LITTLE_ENDIAN
 405         pluto_rw(pluto, REG_PIDn(0), PID0_END, PID0_END);
 406 #else
 407         pluto_rw(pluto, REG_PIDn(0), PID0_END, 0);
 408 #endif
 409         /* map DMA and set address */
 410         pluto_dma_map(pluto);
 411         pluto_set_dma_addr(pluto);
 412
 413         /* enable interrupts */
 414         pluto_enable_irqs(pluto);
 415
 416         /* reset TS logic */
 417         pluto_reset_ts(pluto, 1);
 418
 419         return 0;
 420 }
 421
 422 static void pluto_hw_exit(struct pluto *pluto)
 423 {
 424         /* disable interrupts */
 425         pluto_disable_irqs(pluto);
 426
 427         pluto_reset_ts(pluto, 0);
 428
 429         /* LED: disable automatic control, enable yellow, disable green */
 430         pluto_rw(pluto, REG_MISC, MISC_ALED | MISC_LED1 | MISC_LED0, MISC_LED1);
 431
 432         /* unmap DMA */
 433         pluto_dma_unmap(pluto);
 434
 435         pluto_reset_frontend(pluto, 0);
 436 }
 437
 438 static inline u32 divide(u32 numerator, u32 denominator)
 439 {
 440         if (denominator == 0)
 441                 return ~0;
 442
 443         return DIV_ROUND_CLOSEST(numerator, denominator);
 444 }
 445
 446 /* LG Innotek TDTE-E001P (Infineon TUA6034) */
 447 static int lg_tdtpe001p_tuner_set_params(struct dvb_frontend *fe,
 448                                          struct dvb_frontend_parameters *p)
 449 {
 450         struct pluto *pluto = frontend_to_pluto(fe);
 451         struct i2c_msg msg;
 452         int ret;
 453         u8 buf[4];
 454         u32 div;
 455
 456         // Fref = 166.667 Hz
 457         // Fref * 3 = 500.000 Hz
 458         // IF = 36166667
 459         // IF / Fref = 217
 460         //div = divide(p->frequency + 36166667, 166667);
 461         div = divide(p->frequency * 3, 500000) + 217;
 462         buf[0] = (div >> 8) & 0x7f;
 463         buf[1] = (div >> 0) & 0xff;
 464
 465         if (p->frequency < 611000000)
 466                 buf[2] = 0xb4;
 467         else if (p->frequency < 811000000)
 468                 buf[2] = 0xbc;
 469         else
 470                 buf[2] = 0xf4;
 471
 472         // VHF: 174-230 MHz
 473         // center: 350 MHz
 474         // UHF: 470-862 MHz
 475         if (p->frequency < 350000000)
 476                 buf[3] = 0x02;
 477         else
 478                 buf[3] = 0x04;
 479
 480         if (p->u.ofdm.bandwidth == BANDWIDTH_8_MHZ)
 481                 buf[3] |= 0x08;
 482
 483         if (sizeof(buf) == 6) {
 484                 buf[4] = buf[2];
 485                 buf[4] &= ~0x1c;
 486                 buf[4] |=  0x18;
 487
 488                 buf[5] = (0 << 7) | (2 << 4);
 489         }
 490
 491         msg.addr = I2C_ADDR_TUA6034 >> 1;
 492         msg.flags = 0;
 493         msg.buf = buf;
 494         msg.len = sizeof(buf);
 495
 496         if (fe->ops.i2c_gate_ctrl)
 497                 fe->ops.i2c_gate_ctrl(fe, 1);
 498         ret = i2c_transfer(&pluto->i2c_adap, &msg, 1);
 499         if (ret < 0)
 500                 return ret;
 501         else if (ret == 0)
 502                 return -EREMOTEIO;
 503
 504         return 0;
 505 }
 506
 507 static int pluto2_request_firmware(struct dvb_frontend *fe,
 508                                    const struct firmware **fw, char *name)
 509 {
 510         struct pluto *pluto = frontend_to_pluto(fe);
 511
 512         return request_firmware(fw, name, &pluto->pdev->dev);
 513 }
 514
 515 static struct tda1004x_config pluto2_fe_config __devinitdata = {
 516         .demod_address = I2C_ADDR_TDA10046 >> 1,
 517         .invert = 1,
 518         .invert_oclk = 0,
 519         .xtal_freq = TDA10046_XTAL_16M,
 520         .agc_config = TDA10046_AGC_DEFAULT,
 521         .if_freq = TDA10046_FREQ_3617,
 522         .request_firmware = pluto2_request_firmware,
 523 };
 524
 525 static int __devinit frontend_init(struct pluto *pluto)
 526 {
 527         int ret;
 528
 529         pluto->fe = tda10046_attach(&pluto2_fe_config, &pluto->i2c_adap);
 530         if (!pluto->fe) {
 531                 dev_err(&pluto->pdev->dev, "could not attach frontend\n");
 532                 return -ENODEV;
 533         }
 534         pluto->fe->ops.tuner_ops.set_params = lg_tdtpe001p_tuner_set_params;
 535
 536         ret = dvb_register_frontend(&pluto->dvb_adapter, pluto->fe);
 537         if (ret < 0) {
 538                 if (pluto->fe->ops.release)
 539                         pluto->fe->ops.release(pluto->fe);
 540                 return ret;
 541         }
 542
 543         return 0;
 544 }
 545
 546 static void __devinit pluto_read_rev(struct pluto *pluto)
 547 {
 548         u32 val = pluto_readreg(pluto, REG_MISC) & MISC_DVR;
 549         dev_info(&pluto->pdev->dev, "board revision %d.%d\n",
 550                         (val >> 12) & 0x0f, (val >> 4) & 0xff);
 551 }
 552
 553 static void __devinit pluto_read_mac(struct pluto *pluto, u8 *mac)
 554 {
 555         u32 val = pluto_readreg(pluto, REG_MMAC);
 556         mac[0] = (val >> 8) & 0xff;
 557         mac[1] = (val >> 0) & 0xff;
 558
 559         val = pluto_readreg(pluto, REG_IMAC);
 560         mac[2] = (val >> 8) & 0xff;
 561         mac[3] = (val >> 0) & 0xff;
 562
 563         val = pluto_readreg(pluto, REG_LMAC);
 564         mac[4] = (val >> 8) & 0xff;
 565         mac[5] = (val >> 0) & 0xff;
 566
 567         dev_info(&pluto->pdev->dev, "MAC %pM\n", mac);
 568 }
 569
 570 static int __devinit pluto_read_serial(struct pluto *pluto)
 571 {
 572         struct pci_dev *pdev = pluto->pdev;
 573         unsigned int i, j;
 574         u8 __iomem *cis;
 575
 576         cis = pci_iomap(pdev, 1, 0);
 577         if (!cis)
 578                 return -EIO;
 579
 580         dev_info(&pdev->dev, "S/N ");
 581
 582         for (i = 0xe0; i < 0x100; i += 4) {
 583                 u32 val = readl(&cis[i]);
 584                 for (j = 0; j < 32; j += 8) {
 585                         if ((val & 0xff) == 0xff)
 586                                 goto out;
 587                         printk("%c", val & 0xff);
 588                         val >>= 8;
 589                 }
 590         }
 591 out:
 592         printk("\n");
 593         pci_iounmap(pdev, cis);
 594
 595         return 0;
 596 }
 597
 598 static int __devinit pluto2_probe(struct pci_dev *pdev,
 599                                   const struct pci_device_id *ent)
 600 {
 601         struct pluto *pluto;
 602         struct dvb_adapter *dvb_adapter;
 603         struct dvb_demux *dvbdemux;
 604         struct dmx_demux *dmx;
 605         int ret = -ENOMEM;
 606
 607         pluto = kzalloc(sizeof(struct pluto), GFP_KERNEL);
 608         if (!pluto)
 609                 goto out;
 610
 611         pluto->pdev = pdev;
 612
 613         ret = pci_enable_device(pdev);
 614         if (ret < 0)
 615                 goto err_kfree;
 616
 617         /* enable interrupts */
 618         pci_write_config_dword(pdev, 0x6c, 0x8000);
 619
 620         ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
 621         if (ret < 0)
 622                 goto err_pci_disable_device;
 623
 624         pci_set_master(pdev);
 625
 626         ret = pci_request_regions(pdev, DRIVER_NAME);
 627         if (ret < 0)
 628                 goto err_pci_disable_device;
 629
 630         pluto->io_mem = pci_iomap(pdev, 0, 0x40);
 631         if (!pluto->io_mem) {
 632                 ret = -EIO;
 633                 goto err_pci_release_regions;
 634         }
 635
 636         pci_set_drvdata(pdev, pluto);
 637
 638         ret = request_irq(pdev->irq, pluto_irq, IRQF_SHARED, DRIVER_NAME, pluto);
 639         if (ret < 0)
 640                 goto err_pci_iounmap;
 641
 642         ret = pluto_hw_init(pluto);
 643         if (ret < 0)
 644                 goto err_free_irq;
 645
 646         /* i2c */
 647         i2c_set_adapdata(&pluto->i2c_adap, pluto);
 648         strcpy(pluto->i2c_adap.name, DRIVER_NAME);
 649         pluto->i2c_adap.owner = THIS_MODULE;
 650         pluto->i2c_adap.class = I2C_CLASS_TV_DIGITAL;
 651         pluto->i2c_adap.dev.parent = &pdev->dev;
 652         pluto->i2c_adap.algo_data = &pluto->i2c_bit;
 653         pluto->i2c_bit.data = pluto;
 654         pluto->i2c_bit.setsda = pluto_setsda;
 655         pluto->i2c_bit.setscl = pluto_setscl;
 656         pluto->i2c_bit.getsda = pluto_getsda;
 657         pluto->i2c_bit.getscl = pluto_getscl;
 658         pluto->i2c_bit.udelay = 10;
 659         pluto->i2c_bit.timeout = 10;
 660
 661         /* Raise SCL and SDA */
 662         pluto_setsda(pluto, 1);
 663         pluto_setscl(pluto, 1);
 664
 665         ret = i2c_bit_add_bus(&pluto->i2c_adap);
 666         if (ret < 0)
 667                 goto err_pluto_hw_exit;
 668
 669         /* dvb */
 670         ret = dvb_register_adapter(&pluto->dvb_adapter, DRIVER_NAME,
 671                                    THIS_MODULE, &pdev->dev, adapter_nr);
 672         if (ret < 0)
 673                 goto err_i2c_del_adapter;
 674
 675         dvb_adapter = &pluto->dvb_adapter;
 676
 677         pluto_read_rev(pluto);
 678         pluto_read_serial(pluto);
 679         pluto_read_mac(pluto, dvb_adapter->proposed_mac);
 680
 681         dvbdemux = &pluto->demux;
 682         dvbdemux->filternum = 256;
 683         dvbdemux->feednum = 256;
 684         dvbdemux->start_feed = pluto_start_feed;
 685         dvbdemux->stop_feed = pluto_stop_feed;
 686         dvbdemux->dmx.capabilities = (DMX_TS_FILTERING |
 687                         DMX_SECTION_FILTERING | DMX_MEMORY_BASED_FILTERING);
 688         ret = dvb_dmx_init(dvbdemux);
 689         if (ret < 0)
 690                 goto err_dvb_unregister_adapter;
 691
 692         dmx = &dvbdemux->dmx;
 693
 694         pluto->hw_frontend.source = DMX_FRONTEND_0;
 695         pluto->mem_frontend.source = DMX_MEMORY_FE;
 696         pluto->dmxdev.filternum = NHWFILTERS;
 697         pluto->dmxdev.demux = dmx;
 698
 699         ret = dvb_dmxdev_init(&pluto->dmxdev, dvb_adapter);
 700         if (ret < 0)
 701                 goto err_dvb_dmx_release;
 702
 703         ret = dmx->add_frontend(dmx, &pluto->hw_frontend);
 704         if (ret < 0)
 705                 goto err_dvb_dmxdev_release;
 706
 707         ret = dmx->add_frontend(dmx, &pluto->mem_frontend);
 708         if (ret < 0)
 709                 goto err_remove_hw_frontend;
 710
 711         ret = dmx->connect_frontend(dmx, &pluto->hw_frontend);
 712         if (ret < 0)
 713                 goto err_remove_mem_frontend;
 714
 715         ret = frontend_init(pluto);
 716         if (ret < 0)
 717                 goto err_disconnect_frontend;
 718
 719         dvb_net_init(dvb_adapter, &pluto->dvbnet, dmx);
 720 out:
 721         return ret;
 722
 723 err_disconnect_frontend:
 724         dmx->disconnect_frontend(dmx);
 725 err_remove_mem_frontend:
 726         dmx->remove_frontend(dmx, &pluto->mem_frontend);
 727 err_remove_hw_frontend:
 728         dmx->remove_frontend(dmx, &pluto->hw_frontend);
 729 err_dvb_dmxdev_release:
 730         dvb_dmxdev_release(&pluto->dmxdev);
 731 err_dvb_dmx_release:
 732         dvb_dmx_release(dvbdemux);
 733 err_dvb_unregister_adapter:
 734         dvb_unregister_adapter(dvb_adapter);
 735 err_i2c_del_adapter:
 736         i2c_del_adapter(&pluto->i2c_adap);
 737 err_pluto_hw_exit:
 738         pluto_hw_exit(pluto);
 739 err_free_irq:
 740         free_irq(pdev->irq, pluto);
 741 err_pci_iounmap:
 742         pci_iounmap(pdev, pluto->io_mem);
 743 err_pci_release_regions:
 744         pci_release_regions(pdev);
 745 err_pci_disable_device:
 746         pci_disable_device(pdev);
 747 err_kfree:
 748         pci_set_drvdata(pdev, NULL);
 749         kfree(pluto);
 750         goto out;
 751 }
 752
 753 static void __devexit pluto2_remove(struct pci_dev *pdev)
 754 {
 755         struct pluto *pluto = pci_get_drvdata(pdev);
 756         struct dvb_adapter *dvb_adapter = &pluto->dvb_adapter;
 757         struct dvb_demux *dvbdemux = &pluto->demux;
 758         struct dmx_demux *dmx = &dvbdemux->dmx;
 759
 760         dmx->close(dmx);
 761         dvb_net_release(&pluto->dvbnet);
 762         if (pluto->fe)
 763                 dvb_unregister_frontend(pluto->fe);
 764
 765         dmx->disconnect_frontend(dmx);
 766         dmx->remove_frontend(dmx, &pluto->mem_frontend);
 767         dmx->remove_frontend(dmx, &pluto->hw_frontend);
 768         dvb_dmxdev_release(&pluto->dmxdev);
 769         dvb_dmx_release(dvbdemux);
 770         dvb_unregister_adapter(dvb_adapter);
 771         i2c_del_adapter(&pluto->i2c_adap);
 772         pluto_hw_exit(pluto);
 773         free_irq(pdev->irq, pluto);
 774         pci_iounmap(pdev, pluto->io_mem);
 775         pci_release_regions(pdev);
 776         pci_disable_device(pdev);
 777         pci_set_drvdata(pdev, NULL);
 778         kfree(pluto);
 779 }
 780
 781 #ifndef PCI_VENDOR_ID_SCM
 782 #define PCI_VENDOR_ID_SCM       0x0432
 783 #endif
 784 #ifndef PCI_DEVICE_ID_PLUTO2
 785 #define PCI_DEVICE_ID_PLUTO2    0x0001
 786 #endif
 787
 788 static struct pci_device_id pluto2_id_table[] __devinitdata = {
 789         {
 790                 .vendor = PCI_VENDOR_ID_SCM,
 791                 .device = PCI_DEVICE_ID_PLUTO2,
 792                 .subvendor = PCI_ANY_ID,
 793                 .subdevice = PCI_ANY_ID,
 794         }, {
 795                 /* empty */
 796         },
 797 };
 798
 799 MODULE_DEVICE_TABLE(pci, pluto2_id_table);
 800
 801 static struct pci_driver pluto2_driver = {
 802         .name = DRIVER_NAME,
 803         .id_table = pluto2_id_table,
 804         .probe = pluto2_probe,
 805         .remove = __devexit_p(pluto2_remove),
 806 };
 807
 808 static int __init pluto2_init(void)
 809 {
 810         return pci_register_driver(&pluto2_driver);
 811 }
 812
 813 static void __exit pluto2_exit(void)
 814 {
 815         pci_unregister_driver(&pluto2_driver);
 816 }
 817
 818 module_init(pluto2_init);
 819 module_exit(pluto2_exit);
 820
 821 MODULE_AUTHOR("Andreas Oberritter <obi@linuxtv.org>");
 822 MODULE_DESCRIPTION("Pluto2 driver");
 823 MODULE_LICENSE("GPL");