drivers/media/pci/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/interrupt.h>
  30 #include <linux/kernel.h>
  31 #include <linux/module.h>
  32 #include <linux/pci.h>
  33 #include <linux/dma-mapping.h>
  34 #include <linux/slab.h>
  35
  36 #include "demux.h"
  37 #include "dmxdev.h"
  38 #include "dvb_demux.h"
  39 #include "dvb_frontend.h"
  40 #include "dvb_net.h"
  41 #include "dvbdev.h"
  42 #include "tda1004x.h"
  43
  44 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
  45
  46 #define DRIVER_NAME             "pluto2"
  47
  48 #define REG_PIDn(n)             ((n) << 2)      /* PID n pattern registers */
  49 #define REG_PCAR                0x0020          /* PC address register */
  50 #define REG_TSCR                0x0024          /* TS ctrl & status */
  51 #define REG_MISC                0x0028          /* miscellaneous */
  52 #define REG_MMAC                0x002c          /* MSB MAC address */
  53 #define REG_IMAC                0x0030          /* ISB MAC address */
  54 #define REG_LMAC                0x0034          /* LSB MAC address */
  55 #define REG_SPID                0x0038          /* SPI data */
  56 #define REG_SLCS                0x003c          /* serial links ctrl/status */
  57
  58 #define PID0_NOFIL              (0x0001 << 16)
  59 #define PIDn_ENP                (0x0001 << 15)
  60 #define PID0_END                (0x0001 << 14)
  61 #define PID0_AFIL               (0x0001 << 13)
  62 #define PIDn_PID                (0x1fff <<  0)
  63
  64 #define TSCR_NBPACKETS          (0x00ff << 24)
  65 #define TSCR_DEM                (0x0001 << 17)
  66 #define TSCR_DE                 (0x0001 << 16)
  67 #define TSCR_RSTN               (0x0001 << 15)
  68 #define TSCR_MSKO               (0x0001 << 14)
  69 #define TSCR_MSKA               (0x0001 << 13)
  70 #define TSCR_MSKL               (0x0001 << 12)
  71 #define TSCR_OVR                (0x0001 << 11)
  72 #define TSCR_AFUL               (0x0001 << 10)
  73 #define TSCR_LOCK               (0x0001 <<  9)
  74 #define TSCR_IACK               (0x0001 <<  8)
  75 #define TSCR_ADEF               (0x007f <<  0)
  76
  77 #define MISC_DVR                (0x0fff <<  4)
  78 #define MISC_ALED               (0x0001 <<  3)
  79 #define MISC_FRST               (0x0001 <<  2)
  80 #define MISC_LED1               (0x0001 <<  1)
  81 #define MISC_LED0               (0x0001 <<  0)
  82
  83 #define SPID_SPIDR              (0x00ff <<  0)
  84
  85 #define SLCS_SCL                (0x0001 <<  7)
  86 #define SLCS_SDA                (0x0001 <<  6)
  87 #define SLCS_CSN                (0x0001 <<  2)
  88 #define SLCS_OVR                (0x0001 <<  1)
  89 #define SLCS_SWC                (0x0001 <<  0)
  90
  91 #define TS_DMA_PACKETS          (8)
  92 #define TS_DMA_BYTES            (188 * TS_DMA_PACKETS)
  93
  94 #define I2C_ADDR_TDA10046       0x10
  95 #define I2C_ADDR_TUA6034        0xc2
  96 #define NHWFILTERS              8
  97
  98 struct pluto {
  99         /* pci */
 100         struct pci_dev *pdev;
 101         u8 __iomem *io_mem;
 102
 103         /* dvb */
 104         struct dmx_frontend hw_frontend;
 105         struct dmx_frontend mem_frontend;
 106         struct dmxdev dmxdev;
 107         struct dvb_adapter dvb_adapter;
 108         struct dvb_demux demux;
 109         struct dvb_frontend *fe;
 110         struct dvb_net dvbnet;
 111         unsigned int full_ts_users;
 112         unsigned int users;
 113
 114         /* i2c */
 115         struct i2c_algo_bit_data i2c_bit;
 116         struct i2c_adapter i2c_adap;
 117         unsigned int i2cbug;
 118
 119         /* irq */
 120         unsigned int overflow;
 121         unsigned int dead;
 122
 123         /* dma */
 124         dma_addr_t dma_addr;
 125         u8 dma_buf[TS_DMA_BYTES];
 126         u8 dummy[4096];
 127 };
 128
 129 static inline struct pluto *feed_to_pluto(struct dvb_demux_feed *feed)
 130 {
 131         return container_of(feed->demux, struct pluto, demux);
 132 }
 133
 134 static inline struct pluto *frontend_to_pluto(struct dvb_frontend *fe)
 135 {
 136         return container_of(fe->dvb, struct pluto, dvb_adapter);
 137 }
 138
 139 static inline u32 pluto_readreg(struct pluto *pluto, u32 reg)
 140 {
 141         return readl(&pluto->io_mem[reg]);
 142 }
 143
 144 static inline void pluto_writereg(struct pluto *pluto, u32 reg, u32 val)
 145 {
 146         writel(val, &pluto->io_mem[reg]);
 147 }
 148
 149 static inline void pluto_rw(struct pluto *pluto, u32 reg, u32 mask, u32 bits)
 150 {
 151         u32 val = readl(&pluto->io_mem[reg]);
 152         val &= ~mask;
 153         val |= bits;
 154         writel(val, &pluto->io_mem[reg]);
 155 }
 156
 157 static void pluto_write_tscr(struct pluto *pluto, u32 val)
 158 {
 159         /* set the number of packets */
 160         val &= ~TSCR_ADEF;
 161         val |= TS_DMA_PACKETS / 2;
 162
 163         pluto_writereg(pluto, REG_TSCR, val);
 164 }
 165
 166 static void pluto_setsda(void *data, int state)
 167 {
 168         struct pluto *pluto = data;
 169
 170         if (state)
 171                 pluto_rw(pluto, REG_SLCS, SLCS_SDA, SLCS_SDA);
 172         else
 173                 pluto_rw(pluto, REG_SLCS, SLCS_SDA, 0);
 174 }
 175
 176 static void pluto_setscl(void *data, int state)
 177 {
 178         struct pluto *pluto = data;
 179
 180         if (state)
 181                 pluto_rw(pluto, REG_SLCS, SLCS_SCL, SLCS_SCL);
 182         else
 183                 pluto_rw(pluto, REG_SLCS, SLCS_SCL, 0);
 184
 185         /* try to detect i2c_inb() to workaround hardware bug:
 186          * reset SDA to high after SCL has been set to low */
 187         if ((state) && (pluto->i2cbug == 0)) {
 188                 pluto->i2cbug = 1;
 189         } else {
 190                 if ((!state) && (pluto->i2cbug == 1))
 191                         pluto_setsda(pluto, 1);
 192                 pluto->i2cbug = 0;
 193         }
 194 }
 195
 196 static int pluto_getsda(void *data)
 197 {
 198         struct pluto *pluto = data;
 199
 200         return pluto_readreg(pluto, REG_SLCS) & SLCS_SDA;
 201 }
 202
 203 static int pluto_getscl(void *data)
 204 {
 205         struct pluto *pluto = data;
 206
 207         return pluto_readreg(pluto, REG_SLCS) & SLCS_SCL;
 208 }
 209
 210 static void pluto_reset_frontend(struct pluto *pluto, int reenable)
 211 {
 212         u32 val = pluto_readreg(pluto, REG_MISC);
 213
 214         if (val & MISC_FRST) {
 215                 val &= ~MISC_FRST;
 216                 pluto_writereg(pluto, REG_MISC, val);
 217         }
 218         if (reenable) {
 219                 val |= MISC_FRST;
 220                 pluto_writereg(pluto, REG_MISC, val);
 221         }
 222 }
 223
 224 static void pluto_reset_ts(struct pluto *pluto, int reenable)
 225 {
 226         u32 val = pluto_readreg(pluto, REG_TSCR);
 227
 228         if (val & TSCR_RSTN) {
 229                 val &= ~TSCR_RSTN;
 230                 pluto_write_tscr(pluto, val);
 231         }
 232         if (reenable) {
 233                 val |= TSCR_RSTN;
 234                 pluto_write_tscr(pluto, val);
 235         }
 236 }
 237
 238 static void pluto_set_dma_addr(struct pluto *pluto)
 239 {
 240         pluto_writereg(pluto, REG_PCAR, pluto->dma_addr);
 241 }
 242
 243 static int pluto_dma_map(struct pluto *pluto)
 244 {
 245         pluto->dma_addr = pci_map_single(pluto->pdev, pluto->dma_buf,
 246                         TS_DMA_BYTES, PCI_DMA_FROMDEVICE);
 247
 248         return pci_dma_mapping_error(pluto->pdev, pluto->dma_addr);
 249 }
 250
 251 static void pluto_dma_unmap(struct pluto *pluto)
 252 {
 253         pci_unmap_single(pluto->pdev, pluto->dma_addr,
 254                         TS_DMA_BYTES, PCI_DMA_FROMDEVICE);
 255 }
 256
 257 static int pluto_start_feed(struct dvb_demux_feed *f)
 258 {
 259         struct pluto *pluto = feed_to_pluto(f);
 260
 261         /* enable PID filtering */
 262         if (pluto->users++ == 0)
 263                 pluto_rw(pluto, REG_PIDn(0), PID0_AFIL | PID0_NOFIL, 0);
 264
 265         if ((f->pid < 0x2000) && (f->index < NHWFILTERS))
 266                 pluto_rw(pluto, REG_PIDn(f->index), PIDn_ENP | PIDn_PID, PIDn_ENP | f->pid);
 267         else if (pluto->full_ts_users++ == 0)
 268                 pluto_rw(pluto, REG_PIDn(0), PID0_NOFIL, PID0_NOFIL);
 269
 270         return 0;
 271 }
 272
 273 static int pluto_stop_feed(struct dvb_demux_feed *f)
 274 {
 275         struct pluto *pluto = feed_to_pluto(f);
 276
 277         /* disable PID filtering */
 278         if (--pluto->users == 0)
 279                 pluto_rw(pluto, REG_PIDn(0), PID0_AFIL, PID0_AFIL);
 280
 281         if ((f->pid < 0x2000) && (f->index < NHWFILTERS))
 282                 pluto_rw(pluto, REG_PIDn(f->index), PIDn_ENP | PIDn_PID, 0x1fff);
 283         else if (--pluto->full_ts_users == 0)
 284                 pluto_rw(pluto, REG_PIDn(0), PID0_NOFIL, 0);
 285
 286         return 0;
 287 }
 288
 289 static void pluto_dma_end(struct pluto *pluto, unsigned int nbpackets)
 290 {
 291         /* synchronize the DMA transfer with the CPU
 292          * first so that we see updated contents. */
 293         pci_dma_sync_single_for_cpu(pluto->pdev, pluto->dma_addr,
 294                         TS_DMA_BYTES, PCI_DMA_FROMDEVICE);
 295
 296         /* Workaround for broken hardware:
 297          * [1] On startup NBPACKETS seems to contain an uninitialized value,
 298          *     but no packets have been transferred.
 299          * [2] Sometimes (actually very often) NBPACKETS stays at zero
 300          *     although one packet has been transferred.
 301          * [3] Sometimes (actually rarely), the card gets into an erroneous
 302          *     mode where it continuously generates interrupts, claiming it
 303          *     has received nbpackets>TS_DMA_PACKETS packets, but no packet
 304          *     has been transferred. Only a reset seems to solve this
 305          */
 306         if ((nbpackets == 0) || (nbpackets > TS_DMA_PACKETS)) {
 307                 unsigned int i = 0;
 308                 while (pluto->dma_buf[i] == 0x47)
 309                         i += 188;
 310                 nbpackets = i / 188;
 311                 if (i == 0) {
 312                         pluto_reset_ts(pluto, 1);
 313                         dev_printk(KERN_DEBUG, &pluto->pdev->dev, "resetting TS because of invalid packet counter\n");
 314                 }
 315         }
 316
 317         dvb_dmx_swfilter_packets(&pluto->demux, pluto->dma_buf, nbpackets);
 318
 319         /* clear the dma buffer. this is needed to be able to identify
 320          * new valid ts packets above */
 321         memset(pluto->dma_buf, 0, nbpackets * 188);
 322
 323         /* reset the dma address */
 324         pluto_set_dma_addr(pluto);
 325
 326         /* sync the buffer and give it back to the card */
 327         pci_dma_sync_single_for_device(pluto->pdev, pluto->dma_addr,
 328                         TS_DMA_BYTES, PCI_DMA_FROMDEVICE);
 329 }
 330
 331 static irqreturn_t pluto_irq(int irq, void *dev_id)
 332 {
 333         struct pluto *pluto = dev_id;
 334         u32 tscr;
 335
 336         /* check whether an interrupt occurred on this device */
 337         tscr = pluto_readreg(pluto, REG_TSCR);
 338         if (!(tscr & (TSCR_DE | TSCR_OVR)))
 339                 return IRQ_NONE;
 340
 341         if (tscr == 0xffffffff) {
 342                 if (pluto->dead == 0)
 343                         dev_err(&pluto->pdev->dev, "card has hung or been ejected.\n");
 344                 /* It's dead Jim */
 345                 pluto->dead = 1;
 346                 return IRQ_HANDLED;
 347         }
 348
 349         /* dma end interrupt */
 350         if (tscr & TSCR_DE) {
 351                 pluto_dma_end(pluto, (tscr & TSCR_NBPACKETS) >> 24);
 352                 /* overflow interrupt */
 353                 if (tscr & TSCR_OVR)
 354                         pluto->overflow++;
 355                 if (pluto->overflow) {
 356                         dev_err(&pluto->pdev->dev, "overflow irq (%d)\n",
 357                                         pluto->overflow);
 358                         pluto_reset_ts(pluto, 1);
 359                         pluto->overflow = 0;
 360                 }
 361         } else if (tscr & TSCR_OVR) {
 362                 pluto->overflow++;
 363         }
 364
 365         /* ACK the interrupt */
 366         pluto_write_tscr(pluto, tscr | TSCR_IACK);
 367
 368         return IRQ_HANDLED;
 369 }
 370
 371 static void pluto_enable_irqs(struct pluto *pluto)
 372 {
 373         u32 val = pluto_readreg(pluto, REG_TSCR);
 374
 375         /* disable AFUL and LOCK interrupts */
 376         val |= (TSCR_MSKA | TSCR_MSKL);
 377         /* enable DMA and OVERFLOW interrupts */
 378         val &= ~(TSCR_DEM | TSCR_MSKO);
 379         /* clear pending interrupts */
 380         val |= TSCR_IACK;
 381
 382         pluto_write_tscr(pluto, val);
 383 }
 384
 385 static void pluto_disable_irqs(struct pluto *pluto)
 386 {
 387         u32 val = pluto_readreg(pluto, REG_TSCR);
 388
 389         /* disable all interrupts */
 390         val |= (TSCR_DEM | TSCR_MSKO | TSCR_MSKA | TSCR_MSKL);
 391         /* clear pending interrupts */
 392         val |= TSCR_IACK;
 393
 394         pluto_write_tscr(pluto, val);
 395 }
 396
 397 static int pluto_hw_init(struct pluto *pluto)
 398 {
 399         pluto_reset_frontend(pluto, 1);
 400
 401         /* set automatic LED control by FPGA */
 402         pluto_rw(pluto, REG_MISC, MISC_ALED, MISC_ALED);
 403
 404         /* set data endianness */
 405 #ifdef __LITTLE_ENDIAN
 406         pluto_rw(pluto, REG_PIDn(0), PID0_END, PID0_END);
 407 #else
 408         pluto_rw(pluto, REG_PIDn(0), PID0_END, 0);
 409 #endif
 410         /* map DMA and set address */
 411         pluto_dma_map(pluto);
 412         pluto_set_dma_addr(pluto);
 413
 414         /* enable interrupts */
 415         pluto_enable_irqs(pluto);
 416
 417         /* reset TS logic */
 418         pluto_reset_ts(pluto, 1);
 419
 420         return 0;
 421 }
 422
 423 static void pluto_hw_exit(struct pluto *pluto)
 424 {
 425         /* disable interrupts */
 426         pluto_disable_irqs(pluto);
 427
 428         pluto_reset_ts(pluto, 0);
 429
 430         /* LED: disable automatic control, enable yellow, disable green */
 431         pluto_rw(pluto, REG_MISC, MISC_ALED | MISC_LED1 | MISC_LED0, MISC_LED1);
 432
 433         /* unmap DMA */
 434         pluto_dma_unmap(pluto);
 435
 436         pluto_reset_frontend(pluto, 0);
 437 }
 438
 439 static inline u32 divide(u32 numerator, u32 denominator)
 440 {
 441         if (denominator == 0)
 442                 return ~0;
 443
 444         return DIV_ROUND_CLOSEST(numerator, denominator);
 445 }
 446
 447 /* LG Innotek TDTE-E001P (Infineon TUA6034) */
 448 static int lg_tdtpe001p_tuner_set_params(struct dvb_frontend *fe)
 449 {
 450         struct dtv_frontend_properties *p = &fe->dtv_property_cache;
 451         struct pluto *pluto = frontend_to_pluto(fe);
 452         struct i2c_msg msg;
 453         int ret;
 454         u8 buf[4];
 455         u32 div;
 456
 457         // Fref = 166.667 Hz
 458         // Fref * 3 = 500.000 Hz
 459         // IF = 36166667
 460         // IF / Fref = 217
 461         //div = divide(p->frequency + 36166667, 166667);
 462         div = divide(p->frequency * 3, 500000) + 217;
 463         buf[0] = (div >> 8) & 0x7f;
 464         buf[1] = (div >> 0) & 0xff;
 465
 466         if (p->frequency < 611000000)
 467                 buf[2] = 0xb4;
 468         else if (p->frequency < 811000000)
 469                 buf[2] = 0xbc;
 470         else
 471                 buf[2] = 0xf4;
 472
 473         // VHF: 174-230 MHz
 474         // center: 350 MHz
 475         // UHF: 470-862 MHz
 476         if (p->frequency < 350000000)
 477                 buf[3] = 0x02;
 478         else
 479                 buf[3] = 0x04;
 480
 481         if (p->bandwidth_hz == 8000000)
 482                 buf[3] |= 0x08;
 483
 484         msg.addr = I2C_ADDR_TUA6034 >> 1;
 485         msg.flags = 0;
 486         msg.buf = buf;
 487         msg.len = sizeof(buf);
 488
 489         if (fe->ops.i2c_gate_ctrl)
 490                 fe->ops.i2c_gate_ctrl(fe, 1);
 491         ret = i2c_transfer(&pluto->i2c_adap, &msg, 1);
 492         if (ret < 0)
 493                 return ret;
 494         else if (ret == 0)
 495                 return -EREMOTEIO;
 496
 497         return 0;
 498 }
 499
 500 static int pluto2_request_firmware(struct dvb_frontend *fe,
 501                                    const struct firmware **fw, char *name)
 502 {
 503         struct pluto *pluto = frontend_to_pluto(fe);
 504
 505         return request_firmware(fw, name, &pluto->pdev->dev);
 506 }
 507
 508 static struct tda1004x_config pluto2_fe_config = {
 509         .demod_address = I2C_ADDR_TDA10046 >> 1,
 510         .invert = 1,
 511         .invert_oclk = 0,
 512         .xtal_freq = TDA10046_XTAL_16M,
 513         .agc_config = TDA10046_AGC_DEFAULT,
 514         .if_freq = TDA10046_FREQ_3617,
 515         .request_firmware = pluto2_request_firmware,
 516 };
 517
 518 static int frontend_init(struct pluto *pluto)
 519 {
 520         int ret;
 521
 522         pluto->fe = tda10046_attach(&pluto2_fe_config, &pluto->i2c_adap);
 523         if (!pluto->fe) {
 524                 dev_err(&pluto->pdev->dev, "could not attach frontend\n");
 525                 return -ENODEV;
 526         }
 527         pluto->fe->ops.tuner_ops.set_params = lg_tdtpe001p_tuner_set_params;
 528
 529         ret = dvb_register_frontend(&pluto->dvb_adapter, pluto->fe);
 530         if (ret < 0) {
 531                 if (pluto->fe->ops.release)
 532                         pluto->fe->ops.release(pluto->fe);
 533                 return ret;
 534         }
 535
 536         return 0;
 537 }
 538
 539 static void pluto_read_rev(struct pluto *pluto)
 540 {
 541         u32 val = pluto_readreg(pluto, REG_MISC) & MISC_DVR;
 542         dev_info(&pluto->pdev->dev, "board revision %d.%d\n",
 543                         (val >> 12) & 0x0f, (val >> 4) & 0xff);
 544 }
 545
 546 static void pluto_read_mac(struct pluto *pluto, u8 *mac)
 547 {
 548         u32 val = pluto_readreg(pluto, REG_MMAC);
 549         mac[0] = (val >> 8) & 0xff;
 550         mac[1] = (val >> 0) & 0xff;
 551
 552         val = pluto_readreg(pluto, REG_IMAC);
 553         mac[2] = (val >> 8) & 0xff;
 554         mac[3] = (val >> 0) & 0xff;
 555
 556         val = pluto_readreg(pluto, REG_LMAC);
 557         mac[4] = (val >> 8) & 0xff;
 558         mac[5] = (val >> 0) & 0xff;
 559
 560         dev_info(&pluto->pdev->dev, "MAC %pM\n", mac);
 561 }
 562
 563 static int pluto_read_serial(struct pluto *pluto)
 564 {
 565         struct pci_dev *pdev = pluto->pdev;
 566         unsigned int i, j;
 567         u8 __iomem *cis;
 568
 569         cis = pci_iomap(pdev, 1, 0);
 570         if (!cis)
 571                 return -EIO;
 572
 573         dev_info(&pdev->dev, "S/N ");
 574
 575         for (i = 0xe0; i < 0x100; i += 4) {
 576                 u32 val = readl(&cis[i]);
 577                 for (j = 0; j < 32; j += 8) {
 578                         if ((val & 0xff) == 0xff)
 579                                 goto out;
 580                         printk("%c", val & 0xff);
 581                         val >>= 8;
 582                 }
 583         }
 584 out:
 585         printk("\n");
 586         pci_iounmap(pdev, cis);
 587
 588         return 0;
 589 }
 590
 591 static int pluto2_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 592 {
 593         struct pluto *pluto;
 594         struct dvb_adapter *dvb_adapter;
 595         struct dvb_demux *dvbdemux;
 596         struct dmx_demux *dmx;
 597         int ret = -ENOMEM;
 598
 599         pluto = kzalloc(sizeof(struct pluto), GFP_KERNEL);
 600         if (!pluto)
 601                 goto out;
 602
 603         pluto->pdev = pdev;
 604
 605         ret = pci_enable_device(pdev);
 606         if (ret < 0)
 607                 goto err_kfree;
 608
 609         /* enable interrupts */
 610         pci_write_config_dword(pdev, 0x6c, 0x8000);
 611
 612         ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
 613         if (ret < 0)
 614                 goto err_pci_disable_device;
 615
 616         pci_set_master(pdev);
 617
 618         ret = pci_request_regions(pdev, DRIVER_NAME);
 619         if (ret < 0)
 620                 goto err_pci_disable_device;
 621
 622         pluto->io_mem = pci_iomap(pdev, 0, 0x40);
 623         if (!pluto->io_mem) {
 624                 ret = -EIO;
 625                 goto err_pci_release_regions;
 626         }
 627
 628         pci_set_drvdata(pdev, pluto);
 629
 630         ret = request_irq(pdev->irq, pluto_irq, IRQF_SHARED, DRIVER_NAME, pluto);
 631         if (ret < 0)
 632                 goto err_pci_iounmap;
 633
 634         ret = pluto_hw_init(pluto);
 635         if (ret < 0)
 636                 goto err_free_irq;
 637
 638         /* i2c */
 639         i2c_set_adapdata(&pluto->i2c_adap, pluto);
 640         strcpy(pluto->i2c_adap.name, DRIVER_NAME);
 641         pluto->i2c_adap.owner = THIS_MODULE;
 642         pluto->i2c_adap.dev.parent = &pdev->dev;
 643         pluto->i2c_adap.algo_data = &pluto->i2c_bit;
 644         pluto->i2c_bit.data = pluto;
 645         pluto->i2c_bit.setsda = pluto_setsda;
 646         pluto->i2c_bit.setscl = pluto_setscl;
 647         pluto->i2c_bit.getsda = pluto_getsda;
 648         pluto->i2c_bit.getscl = pluto_getscl;
 649         pluto->i2c_bit.udelay = 10;
 650         pluto->i2c_bit.timeout = 10;
 651
 652         /* Raise SCL and SDA */
 653         pluto_setsda(pluto, 1);
 654         pluto_setscl(pluto, 1);
 655
 656         ret = i2c_bit_add_bus(&pluto->i2c_adap);
 657         if (ret < 0)
 658                 goto err_pluto_hw_exit;
 659
 660         /* dvb */
 661         ret = dvb_register_adapter(&pluto->dvb_adapter, DRIVER_NAME,
 662                                    THIS_MODULE, &pdev->dev, adapter_nr);
 663         if (ret < 0)
 664                 goto err_i2c_del_adapter;
 665
 666         dvb_adapter = &pluto->dvb_adapter;
 667
 668         pluto_read_rev(pluto);
 669         pluto_read_serial(pluto);
 670         pluto_read_mac(pluto, dvb_adapter->proposed_mac);
 671
 672         dvbdemux = &pluto->demux;
 673         dvbdemux->filternum = 256;
 674         dvbdemux->feednum = 256;
 675         dvbdemux->start_feed = pluto_start_feed;
 676         dvbdemux->stop_feed = pluto_stop_feed;
 677         dvbdemux->dmx.capabilities = (DMX_TS_FILTERING |
 678                         DMX_SECTION_FILTERING | DMX_MEMORY_BASED_FILTERING);
 679         ret = dvb_dmx_init(dvbdemux);
 680         if (ret < 0)
 681                 goto err_dvb_unregister_adapter;
 682
 683         dmx = &dvbdemux->dmx;
 684
 685         pluto->hw_frontend.source = DMX_FRONTEND_0;
 686         pluto->mem_frontend.source = DMX_MEMORY_FE;
 687         pluto->dmxdev.filternum = NHWFILTERS;
 688         pluto->dmxdev.demux = dmx;
 689
 690         ret = dvb_dmxdev_init(&pluto->dmxdev, dvb_adapter);
 691         if (ret < 0)
 692                 goto err_dvb_dmx_release;
 693
 694         ret = dmx->add_frontend(dmx, &pluto->hw_frontend);
 695         if (ret < 0)
 696                 goto err_dvb_dmxdev_release;
 697
 698         ret = dmx->add_frontend(dmx, &pluto->mem_frontend);
 699         if (ret < 0)
 700                 goto err_remove_hw_frontend;
 701
 702         ret = dmx->connect_frontend(dmx, &pluto->hw_frontend);
 703         if (ret < 0)
 704                 goto err_remove_mem_frontend;
 705
 706         ret = frontend_init(pluto);
 707         if (ret < 0)
 708                 goto err_disconnect_frontend;
 709
 710         dvb_net_init(dvb_adapter, &pluto->dvbnet, dmx);
 711 out:
 712         return ret;
 713
 714 err_disconnect_frontend:
 715         dmx->disconnect_frontend(dmx);
 716 err_remove_mem_frontend:
 717         dmx->remove_frontend(dmx, &pluto->mem_frontend);
 718 err_remove_hw_frontend:
 719         dmx->remove_frontend(dmx, &pluto->hw_frontend);
 720 err_dvb_dmxdev_release:
 721         dvb_dmxdev_release(&pluto->dmxdev);
 722 err_dvb_dmx_release:
 723         dvb_dmx_release(dvbdemux);
 724 err_dvb_unregister_adapter:
 725         dvb_unregister_adapter(dvb_adapter);
 726 err_i2c_del_adapter:
 727         i2c_del_adapter(&pluto->i2c_adap);
 728 err_pluto_hw_exit:
 729         pluto_hw_exit(pluto);
 730 err_free_irq:
 731         free_irq(pdev->irq, pluto);
 732 err_pci_iounmap:
 733         pci_iounmap(pdev, pluto->io_mem);
 734 err_pci_release_regions:
 735         pci_release_regions(pdev);
 736 err_pci_disable_device:
 737         pci_disable_device(pdev);
 738 err_kfree:
 739         kfree(pluto);
 740         goto out;
 741 }
 742
 743 static void pluto2_remove(struct pci_dev *pdev)
 744 {
 745         struct pluto *pluto = pci_get_drvdata(pdev);
 746         struct dvb_adapter *dvb_adapter = &pluto->dvb_adapter;
 747         struct dvb_demux *dvbdemux = &pluto->demux;
 748         struct dmx_demux *dmx = &dvbdemux->dmx;
 749
 750         dmx->close(dmx);
 751         dvb_net_release(&pluto->dvbnet);
 752         if (pluto->fe)
 753                 dvb_unregister_frontend(pluto->fe);
 754
 755         dmx->disconnect_frontend(dmx);
 756         dmx->remove_frontend(dmx, &pluto->mem_frontend);
 757         dmx->remove_frontend(dmx, &pluto->hw_frontend);
 758         dvb_dmxdev_release(&pluto->dmxdev);
 759         dvb_dmx_release(dvbdemux);
 760         dvb_unregister_adapter(dvb_adapter);
 761         i2c_del_adapter(&pluto->i2c_adap);
 762         pluto_hw_exit(pluto);
 763         free_irq(pdev->irq, pluto);
 764         pci_iounmap(pdev, pluto->io_mem);
 765         pci_release_regions(pdev);
 766         pci_disable_device(pdev);
 767         kfree(pluto);
 768 }
 769
 770 #ifndef PCI_VENDOR_ID_SCM
 771 #define PCI_VENDOR_ID_SCM       0x0432
 772 #endif
 773 #ifndef PCI_DEVICE_ID_PLUTO2
 774 #define PCI_DEVICE_ID_PLUTO2    0x0001
 775 #endif
 776
 777 static struct pci_device_id pluto2_id_table[] = {
 778         {
 779                 .vendor = PCI_VENDOR_ID_SCM,
 780                 .device = PCI_DEVICE_ID_PLUTO2,
 781                 .subvendor = PCI_ANY_ID,
 782                 .subdevice = PCI_ANY_ID,
 783         }, {
 784                 /* empty */
 785         },
 786 };
 787
 788 MODULE_DEVICE_TABLE(pci, pluto2_id_table);
 789
 790 static struct pci_driver pluto2_driver = {
 791         .name = DRIVER_NAME,
 792         .id_table = pluto2_id_table,
 793         .probe = pluto2_probe,
 794         .remove = pluto2_remove,
 795 };
 796
 797 module_pci_driver(pluto2_driver);
 798
 799 MODULE_AUTHOR("Andreas Oberritter <obi@linuxtv.org>");
 800 MODULE_DESCRIPTION("Pluto2 driver");
 801 MODULE_LICENSE("GPL");