drivers/media/pci/pluto2/pluto2.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  * pluto2.c - Satelco Easywatch Mobile Terrestrial Receiver [DVB-T]
   4  *
   5  * Copyright (C) 2005 Andreas Oberritter <obi@linuxtv.org>
   6  *
   7  * based on pluto2.c 1.10 - http://instinct-wp8.no-ip.org/pluto/
   8  *      by Dany Salman <salmandany@yahoo.fr>
   9  *      Copyright (c) 2004 TDF
  10  */
  11
  12 #include <linux/i2c.h>
  13 #include <linux/i2c-algo-bit.h>
  14 #include <linux/init.h>
  15 #include <linux/interrupt.h>
  16 #include <linux/kernel.h>
  17 #include <linux/module.h>
  18 #include <linux/pci.h>
  19 #include <linux/dma-mapping.h>
  20 #include <linux/slab.h>
  21
  22 #include <media/demux.h>
  23 #include <media/dmxdev.h>
  24 #include <media/dvb_demux.h>
  25 #include <media/dvb_frontend.h>
  26 #include <media/dvb_net.h>
  27 #include <media/dvbdev.h>
  28 #include "tda1004x.h"
  29
  30 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
  31
  32 #define DRIVER_NAME             "pluto2"
  33
  34 #define REG_PIDn(n)             ((n) << 2)      /* PID n pattern registers */
  35 #define REG_PCAR                0x0020          /* PC address register */
  36 #define REG_TSCR                0x0024          /* TS ctrl & status */
  37 #define REG_MISC                0x0028          /* miscellaneous */
  38 #define REG_MMAC                0x002c          /* MSB MAC address */
  39 #define REG_IMAC                0x0030          /* ISB MAC address */
  40 #define REG_LMAC                0x0034          /* LSB MAC address */
  41 #define REG_SPID                0x0038          /* SPI data */
  42 #define REG_SLCS                0x003c          /* serial links ctrl/status */
  43
  44 #define PID0_NOFIL              (0x0001 << 16)
  45 #define PIDn_ENP                (0x0001 << 15)
  46 #define PID0_END                (0x0001 << 14)
  47 #define PID0_AFIL               (0x0001 << 13)
  48 #define PIDn_PID                (0x1fff <<  0)
  49
  50 #define TSCR_NBPACKETS          (0x00ff << 24)
  51 #define TSCR_DEM                (0x0001 << 17)
  52 #define TSCR_DE                 (0x0001 << 16)
  53 #define TSCR_RSTN               (0x0001 << 15)
  54 #define TSCR_MSKO               (0x0001 << 14)
  55 #define TSCR_MSKA               (0x0001 << 13)
  56 #define TSCR_MSKL               (0x0001 << 12)
  57 #define TSCR_OVR                (0x0001 << 11)
  58 #define TSCR_AFUL               (0x0001 << 10)
  59 #define TSCR_LOCK               (0x0001 <<  9)
  60 #define TSCR_IACK               (0x0001 <<  8)
  61 #define TSCR_ADEF               (0x007f <<  0)
  62
  63 #define MISC_DVR                (0x0fff <<  4)
  64 #define MISC_ALED               (0x0001 <<  3)
  65 #define MISC_FRST               (0x0001 <<  2)
  66 #define MISC_LED1               (0x0001 <<  1)
  67 #define MISC_LED0               (0x0001 <<  0)
  68
  69 #define SPID_SPIDR              (0x00ff <<  0)
  70
  71 #define SLCS_SCL                (0x0001 <<  7)
  72 #define SLCS_SDA                (0x0001 <<  6)
  73 #define SLCS_CSN                (0x0001 <<  2)
  74 #define SLCS_OVR                (0x0001 <<  1)
  75 #define SLCS_SWC                (0x0001 <<  0)
  76
  77 #define TS_DMA_PACKETS          (8)
  78 #define TS_DMA_BYTES            (188 * TS_DMA_PACKETS)
  79
  80 #define I2C_ADDR_TDA10046       0x10
  81 #define I2C_ADDR_TUA6034        0xc2
  82 #define NHWFILTERS              8
  83
  84 struct pluto {
  85         /* pci */
  86         struct pci_dev *pdev;
  87         u8 __iomem *io_mem;
  88
  89         /* dvb */
  90         struct dmx_frontend hw_frontend;
  91         struct dmx_frontend mem_frontend;
  92         struct dmxdev dmxdev;
  93         struct dvb_adapter dvb_adapter;
  94         struct dvb_demux demux;
  95         struct dvb_frontend *fe;
  96         struct dvb_net dvbnet;
  97         unsigned int full_ts_users;
  98         unsigned int users;
  99
 100         /* i2c */
 101         struct i2c_algo_bit_data i2c_bit;
 102         struct i2c_adapter i2c_adap;
 103         unsigned int i2cbug;
 104
 105         /* irq */
 106         unsigned int overflow;
 107         unsigned int dead;
 108
 109         /* dma */
 110         dma_addr_t dma_addr;
 111         u8 dma_buf[TS_DMA_BYTES];
 112         u8 dummy[4096];
 113 };
 114
 115 static inline struct pluto *feed_to_pluto(struct dvb_demux_feed *feed)
 116 {
 117         return container_of(feed->demux, struct pluto, demux);
 118 }
 119
 120 static inline struct pluto *frontend_to_pluto(struct dvb_frontend *fe)
 121 {
 122         return container_of(fe->dvb, struct pluto, dvb_adapter);
 123 }
 124
 125 static inline u32 pluto_readreg(struct pluto *pluto, u32 reg)
 126 {
 127         return readl(&pluto->io_mem[reg]);
 128 }
 129
 130 static inline void pluto_writereg(struct pluto *pluto, u32 reg, u32 val)
 131 {
 132         writel(val, &pluto->io_mem[reg]);
 133 }
 134
 135 static inline void pluto_rw(struct pluto *pluto, u32 reg, u32 mask, u32 bits)
 136 {
 137         u32 val = readl(&pluto->io_mem[reg]);
 138         val &= ~mask;
 139         val |= bits;
 140         writel(val, &pluto->io_mem[reg]);
 141 }
 142
 143 static void pluto_write_tscr(struct pluto *pluto, u32 val)
 144 {
 145         /* set the number of packets */
 146         val &= ~TSCR_ADEF;
 147         val |= TS_DMA_PACKETS / 2;
 148
 149         pluto_writereg(pluto, REG_TSCR, val);
 150 }
 151
 152 static void pluto_setsda(void *data, int state)
 153 {
 154         struct pluto *pluto = data;
 155
 156         if (state)
 157                 pluto_rw(pluto, REG_SLCS, SLCS_SDA, SLCS_SDA);
 158         else
 159                 pluto_rw(pluto, REG_SLCS, SLCS_SDA, 0);
 160 }
 161
 162 static void pluto_setscl(void *data, int state)
 163 {
 164         struct pluto *pluto = data;
 165
 166         if (state)
 167                 pluto_rw(pluto, REG_SLCS, SLCS_SCL, SLCS_SCL);
 168         else
 169                 pluto_rw(pluto, REG_SLCS, SLCS_SCL, 0);
 170
 171         /* try to detect i2c_inb() to workaround hardware bug:
 172          * reset SDA to high after SCL has been set to low */
 173         if ((state) && (pluto->i2cbug == 0)) {
 174                 pluto->i2cbug = 1;
 175         } else {
 176                 if ((!state) && (pluto->i2cbug == 1))
 177                         pluto_setsda(pluto, 1);
 178                 pluto->i2cbug = 0;
 179         }
 180 }
 181
 182 static int pluto_getsda(void *data)
 183 {
 184         struct pluto *pluto = data;
 185
 186         return pluto_readreg(pluto, REG_SLCS) & SLCS_SDA;
 187 }
 188
 189 static int pluto_getscl(void *data)
 190 {
 191         struct pluto *pluto = data;
 192
 193         return pluto_readreg(pluto, REG_SLCS) & SLCS_SCL;
 194 }
 195
 196 static void pluto_reset_frontend(struct pluto *pluto, int reenable)
 197 {
 198         u32 val = pluto_readreg(pluto, REG_MISC);
 199
 200         if (val & MISC_FRST) {
 201                 val &= ~MISC_FRST;
 202                 pluto_writereg(pluto, REG_MISC, val);
 203         }
 204         if (reenable) {
 205                 val |= MISC_FRST;
 206                 pluto_writereg(pluto, REG_MISC, val);
 207         }
 208 }
 209
 210 static void pluto_reset_ts(struct pluto *pluto, int reenable)
 211 {
 212         u32 val = pluto_readreg(pluto, REG_TSCR);
 213
 214         if (val & TSCR_RSTN) {
 215                 val &= ~TSCR_RSTN;
 216                 pluto_write_tscr(pluto, val);
 217         }
 218         if (reenable) {
 219                 val |= TSCR_RSTN;
 220                 pluto_write_tscr(pluto, val);
 221         }
 222 }
 223
 224 static void pluto_set_dma_addr(struct pluto *pluto)
 225 {
 226         pluto_writereg(pluto, REG_PCAR, pluto->dma_addr);
 227 }
 228
 229 static int pluto_dma_map(struct pluto *pluto)
 230 {
 231         pluto->dma_addr = pci_map_single(pluto->pdev, pluto->dma_buf,
 232                         TS_DMA_BYTES, PCI_DMA_FROMDEVICE);
 233
 234         return pci_dma_mapping_error(pluto->pdev, pluto->dma_addr);
 235 }
 236
 237 static void pluto_dma_unmap(struct pluto *pluto)
 238 {
 239         pci_unmap_single(pluto->pdev, pluto->dma_addr,
 240                         TS_DMA_BYTES, PCI_DMA_FROMDEVICE);
 241 }
 242
 243 static int pluto_start_feed(struct dvb_demux_feed *f)
 244 {
 245         struct pluto *pluto = feed_to_pluto(f);
 246
 247         /* enable PID filtering */
 248         if (pluto->users++ == 0)
 249                 pluto_rw(pluto, REG_PIDn(0), PID0_AFIL | PID0_NOFIL, 0);
 250
 251         if ((f->pid < 0x2000) && (f->index < NHWFILTERS))
 252                 pluto_rw(pluto, REG_PIDn(f->index), PIDn_ENP | PIDn_PID, PIDn_ENP | f->pid);
 253         else if (pluto->full_ts_users++ == 0)
 254                 pluto_rw(pluto, REG_PIDn(0), PID0_NOFIL, PID0_NOFIL);
 255
 256         return 0;
 257 }
 258
 259 static int pluto_stop_feed(struct dvb_demux_feed *f)
 260 {
 261         struct pluto *pluto = feed_to_pluto(f);
 262
 263         /* disable PID filtering */
 264         if (--pluto->users == 0)
 265                 pluto_rw(pluto, REG_PIDn(0), PID0_AFIL, PID0_AFIL);
 266
 267         if ((f->pid < 0x2000) && (f->index < NHWFILTERS))
 268                 pluto_rw(pluto, REG_PIDn(f->index), PIDn_ENP | PIDn_PID, 0x1fff);
 269         else if (--pluto->full_ts_users == 0)
 270                 pluto_rw(pluto, REG_PIDn(0), PID0_NOFIL, 0);
 271
 272         return 0;
 273 }
 274
 275 static void pluto_dma_end(struct pluto *pluto, unsigned int nbpackets)
 276 {
 277         /* synchronize the DMA transfer with the CPU
 278          * first so that we see updated contents. */
 279         pci_dma_sync_single_for_cpu(pluto->pdev, pluto->dma_addr,
 280                         TS_DMA_BYTES, PCI_DMA_FROMDEVICE);
 281
 282         /* Workaround for broken hardware:
 283          * [1] On startup NBPACKETS seems to contain an uninitialized value,
 284          *     but no packets have been transferred.
 285          * [2] Sometimes (actually very often) NBPACKETS stays at zero
 286          *     although one packet has been transferred.
 287          * [3] Sometimes (actually rarely), the card gets into an erroneous
 288          *     mode where it continuously generates interrupts, claiming it
 289          *     has received nbpackets>TS_DMA_PACKETS packets, but no packet
 290          *     has been transferred. Only a reset seems to solve this
 291          */
 292         if ((nbpackets == 0) || (nbpackets > TS_DMA_PACKETS)) {
 293                 unsigned int i = 0;
 294                 while (pluto->dma_buf[i] == 0x47)
 295                         i += 188;
 296                 nbpackets = i / 188;
 297                 if (i == 0) {
 298                         pluto_reset_ts(pluto, 1);
 299                         dev_printk(KERN_DEBUG, &pluto->pdev->dev, "resetting TS because of invalid packet counter\n");
 300                 }
 301         }
 302
 303         dvb_dmx_swfilter_packets(&pluto->demux, pluto->dma_buf, nbpackets);
 304
 305         /* clear the dma buffer. this is needed to be able to identify
 306          * new valid ts packets above */
 307         memset(pluto->dma_buf, 0, nbpackets * 188);
 308
 309         /* reset the dma address */
 310         pluto_set_dma_addr(pluto);
 311
 312         /* sync the buffer and give it back to the card */
 313         pci_dma_sync_single_for_device(pluto->pdev, pluto->dma_addr,
 314                         TS_DMA_BYTES, PCI_DMA_FROMDEVICE);
 315 }
 316
 317 static irqreturn_t pluto_irq(int irq, void *dev_id)
 318 {
 319         struct pluto *pluto = dev_id;
 320         u32 tscr;
 321
 322         /* check whether an interrupt occurred on this device */
 323         tscr = pluto_readreg(pluto, REG_TSCR);
 324         if (!(tscr & (TSCR_DE | TSCR_OVR)))
 325                 return IRQ_NONE;
 326
 327         if (tscr == 0xffffffff) {
 328                 if (pluto->dead == 0)
 329                         dev_err(&pluto->pdev->dev, "card has hung or been ejected.\n");
 330                 /* It's dead Jim */
 331                 pluto->dead = 1;
 332                 return IRQ_HANDLED;
 333         }
 334
 335         /* dma end interrupt */
 336         if (tscr & TSCR_DE) {
 337                 pluto_dma_end(pluto, (tscr & TSCR_NBPACKETS) >> 24);
 338                 /* overflow interrupt */
 339                 if (tscr & TSCR_OVR)
 340                         pluto->overflow++;
 341                 if (pluto->overflow) {
 342                         dev_err(&pluto->pdev->dev, "overflow irq (%d)\n",
 343                                         pluto->overflow);
 344                         pluto_reset_ts(pluto, 1);
 345                         pluto->overflow = 0;
 346                 }
 347         } else if (tscr & TSCR_OVR) {
 348                 pluto->overflow++;
 349         }
 350
 351         /* ACK the interrupt */
 352         pluto_write_tscr(pluto, tscr | TSCR_IACK);
 353
 354         return IRQ_HANDLED;
 355 }
 356
 357 static void pluto_enable_irqs(struct pluto *pluto)
 358 {
 359         u32 val = pluto_readreg(pluto, REG_TSCR);
 360
 361         /* disable AFUL and LOCK interrupts */
 362         val |= (TSCR_MSKA | TSCR_MSKL);
 363         /* enable DMA and OVERFLOW interrupts */
 364         val &= ~(TSCR_DEM | TSCR_MSKO);
 365         /* clear pending interrupts */
 366         val |= TSCR_IACK;
 367
 368         pluto_write_tscr(pluto, val);
 369 }
 370
 371 static void pluto_disable_irqs(struct pluto *pluto)
 372 {
 373         u32 val = pluto_readreg(pluto, REG_TSCR);
 374
 375         /* disable all interrupts */
 376         val |= (TSCR_DEM | TSCR_MSKO | TSCR_MSKA | TSCR_MSKL);
 377         /* clear pending interrupts */
 378         val |= TSCR_IACK;
 379
 380         pluto_write_tscr(pluto, val);
 381 }
 382
 383 static int pluto_hw_init(struct pluto *pluto)
 384 {
 385         pluto_reset_frontend(pluto, 1);
 386
 387         /* set automatic LED control by FPGA */
 388         pluto_rw(pluto, REG_MISC, MISC_ALED, MISC_ALED);
 389
 390         /* set data endianness */
 391 #ifdef __LITTLE_ENDIAN
 392         pluto_rw(pluto, REG_PIDn(0), PID0_END, PID0_END);
 393 #else
 394         pluto_rw(pluto, REG_PIDn(0), PID0_END, 0);
 395 #endif
 396         /* map DMA and set address */
 397         pluto_dma_map(pluto);
 398         pluto_set_dma_addr(pluto);
 399
 400         /* enable interrupts */
 401         pluto_enable_irqs(pluto);
 402
 403         /* reset TS logic */
 404         pluto_reset_ts(pluto, 1);
 405
 406         return 0;
 407 }
 408
 409 static void pluto_hw_exit(struct pluto *pluto)
 410 {
 411         /* disable interrupts */
 412         pluto_disable_irqs(pluto);
 413
 414         pluto_reset_ts(pluto, 0);
 415
 416         /* LED: disable automatic control, enable yellow, disable green */
 417         pluto_rw(pluto, REG_MISC, MISC_ALED | MISC_LED1 | MISC_LED0, MISC_LED1);
 418
 419         /* unmap DMA */
 420         pluto_dma_unmap(pluto);
 421
 422         pluto_reset_frontend(pluto, 0);
 423 }
 424
 425 static inline u32 divide(u32 numerator, u32 denominator)
 426 {
 427         if (denominator == 0)
 428                 return ~0;
 429
 430         return DIV_ROUND_CLOSEST(numerator, denominator);
 431 }
 432
 433 /* LG Innotek TDTE-E001P (Infineon TUA6034) */
 434 static int lg_tdtpe001p_tuner_set_params(struct dvb_frontend *fe)
 435 {
 436         struct dtv_frontend_properties *p = &fe->dtv_property_cache;
 437         struct pluto *pluto = frontend_to_pluto(fe);
 438         struct i2c_msg msg;
 439         int ret;
 440         u8 buf[4];
 441         u32 div;
 442
 443         // Fref = 166.667 Hz
 444         // Fref * 3 = 500.000 Hz
 445         // IF = 36166667
 446         // IF / Fref = 217
 447         //div = divide(p->frequency + 36166667, 166667);
 448         div = divide(p->frequency * 3, 500000) + 217;
 449         buf[0] = (div >> 8) & 0x7f;
 450         buf[1] = (div >> 0) & 0xff;
 451
 452         if (p->frequency < 611000000)
 453                 buf[2] = 0xb4;
 454         else if (p->frequency < 811000000)
 455                 buf[2] = 0xbc;
 456         else
 457                 buf[2] = 0xf4;
 458
 459         // VHF: 174-230 MHz
 460         // center: 350 MHz
 461         // UHF: 470-862 MHz
 462         if (p->frequency < 350000000)
 463                 buf[3] = 0x02;
 464         else
 465                 buf[3] = 0x04;
 466
 467         if (p->bandwidth_hz == 8000000)
 468                 buf[3] |= 0x08;
 469
 470         msg.addr = I2C_ADDR_TUA6034 >> 1;
 471         msg.flags = 0;
 472         msg.buf = buf;
 473         msg.len = sizeof(buf);
 474
 475         if (fe->ops.i2c_gate_ctrl)
 476                 fe->ops.i2c_gate_ctrl(fe, 1);
 477         ret = i2c_transfer(&pluto->i2c_adap, &msg, 1);
 478         if (ret < 0)
 479                 return ret;
 480         else if (ret == 0)
 481                 return -EREMOTEIO;
 482
 483         return 0;
 484 }
 485
 486 static int pluto2_request_firmware(struct dvb_frontend *fe,
 487                                    const struct firmware **fw, char *name)
 488 {
 489         struct pluto *pluto = frontend_to_pluto(fe);
 490
 491         return request_firmware(fw, name, &pluto->pdev->dev);
 492 }
 493
 494 static struct tda1004x_config pluto2_fe_config = {
 495         .demod_address = I2C_ADDR_TDA10046 >> 1,
 496         .invert = 1,
 497         .invert_oclk = 0,
 498         .xtal_freq = TDA10046_XTAL_16M,
 499         .agc_config = TDA10046_AGC_DEFAULT,
 500         .if_freq = TDA10046_FREQ_3617,
 501         .request_firmware = pluto2_request_firmware,
 502 };
 503
 504 static int frontend_init(struct pluto *pluto)
 505 {
 506         int ret;
 507
 508         pluto->fe = tda10046_attach(&pluto2_fe_config, &pluto->i2c_adap);
 509         if (!pluto->fe) {
 510                 dev_err(&pluto->pdev->dev, "could not attach frontend\n");
 511                 return -ENODEV;
 512         }
 513         pluto->fe->ops.tuner_ops.set_params = lg_tdtpe001p_tuner_set_params;
 514
 515         ret = dvb_register_frontend(&pluto->dvb_adapter, pluto->fe);
 516         if (ret < 0) {
 517                 if (pluto->fe->ops.release)
 518                         pluto->fe->ops.release(pluto->fe);
 519                 return ret;
 520         }
 521
 522         return 0;
 523 }
 524
 525 static void pluto_read_rev(struct pluto *pluto)
 526 {
 527         u32 val = pluto_readreg(pluto, REG_MISC) & MISC_DVR;
 528         dev_info(&pluto->pdev->dev, "board revision %d.%d\n",
 529                         (val >> 12) & 0x0f, (val >> 4) & 0xff);
 530 }
 531
 532 static void pluto_read_mac(struct pluto *pluto, u8 *mac)
 533 {
 534         u32 val = pluto_readreg(pluto, REG_MMAC);
 535         mac[0] = (val >> 8) & 0xff;
 536         mac[1] = (val >> 0) & 0xff;
 537
 538         val = pluto_readreg(pluto, REG_IMAC);
 539         mac[2] = (val >> 8) & 0xff;
 540         mac[3] = (val >> 0) & 0xff;
 541
 542         val = pluto_readreg(pluto, REG_LMAC);
 543         mac[4] = (val >> 8) & 0xff;
 544         mac[5] = (val >> 0) & 0xff;
 545
 546         dev_info(&pluto->pdev->dev, "MAC %pM\n", mac);
 547 }
 548
 549 static int pluto_read_serial(struct pluto *pluto)
 550 {
 551         struct pci_dev *pdev = pluto->pdev;
 552         unsigned int i, j;
 553         u8 __iomem *cis;
 554
 555         cis = pci_iomap(pdev, 1, 0);
 556         if (!cis)
 557                 return -EIO;
 558
 559         dev_info(&pdev->dev, "S/N ");
 560
 561         for (i = 0xe0; i < 0x100; i += 4) {
 562                 u32 val = readl(&cis[i]);
 563                 for (j = 0; j < 32; j += 8) {
 564                         if ((val & 0xff) == 0xff)
 565                                 goto out;
 566                         printk(KERN_CONT "%c", val & 0xff);
 567                         val >>= 8;
 568                 }
 569         }
 570 out:
 571         printk(KERN_CONT "\n");
 572         pci_iounmap(pdev, cis);
 573
 574         return 0;
 575 }
 576
 577 static int pluto2_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 578 {
 579         struct pluto *pluto;
 580         struct dvb_adapter *dvb_adapter;
 581         struct dvb_demux *dvbdemux;
 582         struct dmx_demux *dmx;
 583         int ret = -ENOMEM;
 584
 585         pluto = kzalloc(sizeof(struct pluto), GFP_KERNEL);
 586         if (!pluto)
 587                 goto out;
 588
 589         pluto->pdev = pdev;
 590
 591         ret = pci_enable_device(pdev);
 592         if (ret < 0)
 593                 goto err_kfree;
 594
 595         /* enable interrupts */
 596         pci_write_config_dword(pdev, 0x6c, 0x8000);
 597
 598         ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
 599         if (ret < 0)
 600                 goto err_pci_disable_device;
 601
 602         pci_set_master(pdev);
 603
 604         ret = pci_request_regions(pdev, DRIVER_NAME);
 605         if (ret < 0)
 606                 goto err_pci_disable_device;
 607
 608         pluto->io_mem = pci_iomap(pdev, 0, 0x40);
 609         if (!pluto->io_mem) {
 610                 ret = -EIO;
 611                 goto err_pci_release_regions;
 612         }
 613
 614         pci_set_drvdata(pdev, pluto);
 615
 616         ret = request_irq(pdev->irq, pluto_irq, IRQF_SHARED, DRIVER_NAME, pluto);
 617         if (ret < 0)
 618                 goto err_pci_iounmap;
 619
 620         ret = pluto_hw_init(pluto);
 621         if (ret < 0)
 622                 goto err_free_irq;
 623
 624         /* i2c */
 625         i2c_set_adapdata(&pluto->i2c_adap, pluto);
 626         strscpy(pluto->i2c_adap.name, DRIVER_NAME, sizeof(pluto->i2c_adap.name));
 627         pluto->i2c_adap.owner = THIS_MODULE;
 628         pluto->i2c_adap.dev.parent = &pdev->dev;
 629         pluto->i2c_adap.algo_data = &pluto->i2c_bit;
 630         pluto->i2c_bit.data = pluto;
 631         pluto->i2c_bit.setsda = pluto_setsda;
 632         pluto->i2c_bit.setscl = pluto_setscl;
 633         pluto->i2c_bit.getsda = pluto_getsda;
 634         pluto->i2c_bit.getscl = pluto_getscl;
 635         pluto->i2c_bit.udelay = 10;
 636         pluto->i2c_bit.timeout = 10;
 637
 638         /* Raise SCL and SDA */
 639         pluto_setsda(pluto, 1);
 640         pluto_setscl(pluto, 1);
 641
 642         ret = i2c_bit_add_bus(&pluto->i2c_adap);
 643         if (ret < 0)
 644                 goto err_pluto_hw_exit;
 645
 646         /* dvb */
 647         ret = dvb_register_adapter(&pluto->dvb_adapter, DRIVER_NAME,
 648                                    THIS_MODULE, &pdev->dev, adapter_nr);
 649         if (ret < 0)
 650                 goto err_i2c_del_adapter;
 651
 652         dvb_adapter = &pluto->dvb_adapter;
 653
 654         pluto_read_rev(pluto);
 655         pluto_read_serial(pluto);
 656         pluto_read_mac(pluto, dvb_adapter->proposed_mac);
 657
 658         dvbdemux = &pluto->demux;
 659         dvbdemux->filternum = 256;
 660         dvbdemux->feednum = 256;
 661         dvbdemux->start_feed = pluto_start_feed;
 662         dvbdemux->stop_feed = pluto_stop_feed;
 663         dvbdemux->dmx.capabilities = (DMX_TS_FILTERING |
 664                         DMX_SECTION_FILTERING | DMX_MEMORY_BASED_FILTERING);
 665         ret = dvb_dmx_init(dvbdemux);
 666         if (ret < 0)
 667                 goto err_dvb_unregister_adapter;
 668
 669         dmx = &dvbdemux->dmx;
 670
 671         pluto->hw_frontend.source = DMX_FRONTEND_0;
 672         pluto->mem_frontend.source = DMX_MEMORY_FE;
 673         pluto->dmxdev.filternum = NHWFILTERS;
 674         pluto->dmxdev.demux = dmx;
 675
 676         ret = dvb_dmxdev_init(&pluto->dmxdev, dvb_adapter);
 677         if (ret < 0)
 678                 goto err_dvb_dmx_release;
 679
 680         ret = dmx->add_frontend(dmx, &pluto->hw_frontend);
 681         if (ret < 0)
 682                 goto err_dvb_dmxdev_release;
 683
 684         ret = dmx->add_frontend(dmx, &pluto->mem_frontend);
 685         if (ret < 0)
 686                 goto err_remove_hw_frontend;
 687
 688         ret = dmx->connect_frontend(dmx, &pluto->hw_frontend);
 689         if (ret < 0)
 690                 goto err_remove_mem_frontend;
 691
 692         ret = frontend_init(pluto);
 693         if (ret < 0)
 694                 goto err_disconnect_frontend;
 695
 696         dvb_net_init(dvb_adapter, &pluto->dvbnet, dmx);
 697 out:
 698         return ret;
 699
 700 err_disconnect_frontend:
 701         dmx->disconnect_frontend(dmx);
 702 err_remove_mem_frontend:
 703         dmx->remove_frontend(dmx, &pluto->mem_frontend);
 704 err_remove_hw_frontend:
 705         dmx->remove_frontend(dmx, &pluto->hw_frontend);
 706 err_dvb_dmxdev_release:
 707         dvb_dmxdev_release(&pluto->dmxdev);
 708 err_dvb_dmx_release:
 709         dvb_dmx_release(dvbdemux);
 710 err_dvb_unregister_adapter:
 711         dvb_unregister_adapter(dvb_adapter);
 712 err_i2c_del_adapter:
 713         i2c_del_adapter(&pluto->i2c_adap);
 714 err_pluto_hw_exit:
 715         pluto_hw_exit(pluto);
 716 err_free_irq:
 717         free_irq(pdev->irq, pluto);
 718 err_pci_iounmap:
 719         pci_iounmap(pdev, pluto->io_mem);
 720 err_pci_release_regions:
 721         pci_release_regions(pdev);
 722 err_pci_disable_device:
 723         pci_disable_device(pdev);
 724 err_kfree:
 725         kfree(pluto);
 726         goto out;
 727 }
 728
 729 static void pluto2_remove(struct pci_dev *pdev)
 730 {
 731         struct pluto *pluto = pci_get_drvdata(pdev);
 732         struct dvb_adapter *dvb_adapter = &pluto->dvb_adapter;
 733         struct dvb_demux *dvbdemux = &pluto->demux;
 734         struct dmx_demux *dmx = &dvbdemux->dmx;
 735
 736         dmx->close(dmx);
 737         dvb_net_release(&pluto->dvbnet);
 738         if (pluto->fe)
 739                 dvb_unregister_frontend(pluto->fe);
 740
 741         dmx->disconnect_frontend(dmx);
 742         dmx->remove_frontend(dmx, &pluto->mem_frontend);
 743         dmx->remove_frontend(dmx, &pluto->hw_frontend);
 744         dvb_dmxdev_release(&pluto->dmxdev);
 745         dvb_dmx_release(dvbdemux);
 746         dvb_unregister_adapter(dvb_adapter);
 747         i2c_del_adapter(&pluto->i2c_adap);
 748         pluto_hw_exit(pluto);
 749         free_irq(pdev->irq, pluto);
 750         pci_iounmap(pdev, pluto->io_mem);
 751         pci_release_regions(pdev);
 752         pci_disable_device(pdev);
 753         kfree(pluto);
 754 }
 755
 756 #ifndef PCI_VENDOR_ID_SCM
 757 #define PCI_VENDOR_ID_SCM       0x0432
 758 #endif
 759 #ifndef PCI_DEVICE_ID_PLUTO2
 760 #define PCI_DEVICE_ID_PLUTO2    0x0001
 761 #endif
 762
 763 static const struct pci_device_id pluto2_id_table[] = {
 764         {
 765                 .vendor = PCI_VENDOR_ID_SCM,
 766                 .device = PCI_DEVICE_ID_PLUTO2,
 767                 .subvendor = PCI_ANY_ID,
 768                 .subdevice = PCI_ANY_ID,
 769         }, {
 770                 /* empty */
 771         },
 772 };
 773
 774 MODULE_DEVICE_TABLE(pci, pluto2_id_table);
 775
 776 static struct pci_driver pluto2_driver = {
 777         .name = DRIVER_NAME,
 778         .id_table = pluto2_id_table,
 779         .probe = pluto2_probe,
 780         .remove = pluto2_remove,
 781 };
 782
 783 module_pci_driver(pluto2_driver);
 784
 785 MODULE_AUTHOR("Andreas Oberritter <obi@linuxtv.org>");
 786 MODULE_DESCRIPTION("Pluto2 driver");
 787 MODULE_LICENSE("GPL");