release/src-rt-6.x/linux/linux-2.6/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
  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 "tda1004x.h"
  41
  42 #define DRIVER_NAME             "pluto2"
  43
  44 #define REG_PIDn(n)             ((n) << 2)      /* PID n pattern registers */
  45 #define REG_PCAR                0x0020          /* PC address register */
  46 #define REG_TSCR                0x0024          /* TS ctrl & status */
  47 #define REG_MISC                0x0028          /* miscellaneous */
  48 #define REG_MMAC                0x002c          /* MSB MAC address */
  49 #define REG_IMAC                0x0030          /* ISB MAC address */
  50 #define REG_LMAC                0x0034          /* LSB MAC address */
  51 #define REG_SPID                0x0038          /* SPI data */
  52 #define REG_SLCS                0x003c          /* serial links ctrl/status */
  53
  54 #define PID0_NOFIL              (0x0001 << 16)
  55 #define PIDn_ENP                (0x0001 << 15)
  56 #define PID0_END                (0x0001 << 14)
  57 #define PID0_AFIL               (0x0001 << 13)
  58 #define PIDn_PID                (0x1fff <<  0)
  59
  60 #define TSCR_NBPACKETS          (0x00ff << 24)
  61 #define TSCR_DEM                (0x0001 << 17)
  62 #define TSCR_DE                 (0x0001 << 16)
  63 #define TSCR_RSTN               (0x0001 << 15)
  64 #define TSCR_MSKO               (0x0001 << 14)
  65 #define TSCR_MSKA               (0x0001 << 13)
  66 #define TSCR_MSKL               (0x0001 << 12)
  67 #define TSCR_OVR                (0x0001 << 11)
  68 #define TSCR_AFUL               (0x0001 << 10)
  69 #define TSCR_LOCK               (0x0001 <<  9)
  70 #define TSCR_IACK               (0x0001 <<  8)
  71 #define TSCR_ADEF               (0x007f <<  0)
  72
  73 #define MISC_DVR                (0x0fff <<  4)
  74 #define MISC_ALED               (0x0001 <<  3)
  75 #define MISC_FRST               (0x0001 <<  2)
  76 #define MISC_LED1               (0x0001 <<  1)
  77 #define MISC_LED0               (0x0001 <<  0)
  78
  79 #define SPID_SPIDR              (0x00ff <<  0)
  80
  81 #define SLCS_SCL                (0x0001 <<  7)
  82 #define SLCS_SDA                (0x0001 <<  6)
  83 #define SLCS_CSN                (0x0001 <<  2)
  84 #define SLCS_OVR                (0x0001 <<  1)
  85 #define SLCS_SWC                (0x0001 <<  0)
  86
  87 #define TS_DMA_PACKETS          (8)
  88 #define TS_DMA_BYTES            (188 * TS_DMA_PACKETS)
  89
  90 #define I2C_ADDR_TDA10046       0x10
  91 #define I2C_ADDR_TUA6034        0xc2
  92 #define NHWFILTERS              8
  93
  94 struct pluto {
  95         /* pci */
  96         struct pci_dev *pdev;
  97         u8 __iomem *io_mem;
  98
  99         /* dvb */
 100         struct dmx_frontend hw_frontend;
 101         struct dmx_frontend mem_frontend;
 102         struct dmxdev dmxdev;
 103         struct dvb_adapter dvb_adapter;
 104         struct dvb_demux demux;
 105         struct dvb_frontend *fe;
 106         struct dvb_net dvbnet;
 107         unsigned int full_ts_users;
 108         unsigned int users;
 109
 110         /* i2c */
 111         struct i2c_algo_bit_data i2c_bit;
 112         struct i2c_adapter i2c_adap;
 113         unsigned int i2cbug;
 114
 115         /* irq */
 116         unsigned int overflow;
 117
 118         /* dma */
 119         dma_addr_t dma_addr;
 120         u8 dma_buf[TS_DMA_BYTES];
 121         u8 dummy[4096];
 122 };
 123
 124 static inline struct pluto *feed_to_pluto(struct dvb_demux_feed *feed)
 125 {
 126         return container_of(feed->demux, struct pluto, demux);
 127 }
 128
 129 static inline struct pluto *frontend_to_pluto(struct dvb_frontend *fe)
 130 {
 131         return container_of(fe->dvb, struct pluto, dvb_adapter);
 132 }
 133
 134 static inline u32 pluto_readreg(struct pluto *pluto, u32 reg)
 135 {
 136         return readl(&pluto->io_mem[reg]);
 137 }
 138
 139 static inline void pluto_writereg(struct pluto *pluto, u32 reg, u32 val)
 140 {
 141         writel(val, &pluto->io_mem[reg]);
 142 }
 143
 144 static inline void pluto_rw(struct pluto *pluto, u32 reg, u32 mask, u32 bits)
 145 {
 146         u32 val = readl(&pluto->io_mem[reg]);
 147         val &= ~mask;
 148         val |= bits;
 149         writel(val, &pluto->io_mem[reg]);
 150 }
 151
 152 static void pluto_write_tscr(struct pluto *pluto, u32 val)
 153 {
 154         /* set the number of packets */
 155         val &= ~TSCR_ADEF;
 156         val |= TS_DMA_PACKETS / 2;
 157
 158         pluto_writereg(pluto, REG_TSCR, val);
 159 }
 160
 161 static void pluto_setsda(void *data, int state)
 162 {
 163         struct pluto *pluto = data;
 164
 165         if (state)
 166                 pluto_rw(pluto, REG_SLCS, SLCS_SDA, SLCS_SDA);
 167         else
 168                 pluto_rw(pluto, REG_SLCS, SLCS_SDA, 0);
 169 }
 170
 171 static void pluto_setscl(void *data, int state)
 172 {
 173         struct pluto *pluto = data;
 174
 175         if (state)
 176                 pluto_rw(pluto, REG_SLCS, SLCS_SCL, SLCS_SCL);
 177         else
 178                 pluto_rw(pluto, REG_SLCS, SLCS_SCL, 0);
 179
 180         /* try to detect i2c_inb() to workaround hardware bug:
 181          * reset SDA to high after SCL has been set to low */
 182         if ((state) && (pluto->i2cbug == 0)) {
 183                 pluto->i2cbug = 1;
 184         } else {
 185                 if ((!state) && (pluto->i2cbug == 1))
 186                         pluto_setsda(pluto, 1);
 187                 pluto->i2cbug = 0;
 188         }
 189 }
 190
 191 static int pluto_getsda(void *data)
 192 {
 193         struct pluto *pluto = data;
 194
 195         return pluto_readreg(pluto, REG_SLCS) & SLCS_SDA;
 196 }
 197
 198 static int pluto_getscl(void *data)
 199 {
 200         struct pluto *pluto = data;
 201
 202         return pluto_readreg(pluto, REG_SLCS) & SLCS_SCL;
 203 }
 204
 205 static void pluto_reset_frontend(struct pluto *pluto, int reenable)
 206 {
 207         u32 val = pluto_readreg(pluto, REG_MISC);
 208
 209         if (val & MISC_FRST) {
 210                 val &= ~MISC_FRST;
 211                 pluto_writereg(pluto, REG_MISC, val);
 212         }
 213         if (reenable) {
 214                 val |= MISC_FRST;
 215                 pluto_writereg(pluto, REG_MISC, val);
 216         }
 217 }
 218
 219 static void pluto_reset_ts(struct pluto *pluto, int reenable)
 220 {
 221         u32 val = pluto_readreg(pluto, REG_TSCR);
 222
 223         if (val & TSCR_RSTN) {
 224                 val &= ~TSCR_RSTN;
 225                 pluto_write_tscr(pluto, val);
 226         }
 227         if (reenable) {
 228                 val |= TSCR_RSTN;
 229                 pluto_write_tscr(pluto, val);
 230         }
 231 }
 232
 233 static void pluto_set_dma_addr(struct pluto *pluto)
 234 {
 235         pluto_writereg(pluto, REG_PCAR, cpu_to_le32(pluto->dma_addr));
 236 }
 237
 238 static int __devinit pluto_dma_map(struct pluto *pluto)
 239 {
 240         pluto->dma_addr = pci_map_single(pluto->pdev, pluto->dma_buf,
 241                         TS_DMA_BYTES, PCI_DMA_FROMDEVICE);
 242
 243         return pci_dma_mapping_error(pluto->dma_addr);
 244 }
 245
 246 static void pluto_dma_unmap(struct pluto *pluto)
 247 {
 248         pci_unmap_single(pluto->pdev, pluto->dma_addr,
 249                         TS_DMA_BYTES, PCI_DMA_FROMDEVICE);
 250 }
 251
 252 static int pluto_start_feed(struct dvb_demux_feed *f)
 253 {
 254         struct pluto *pluto = feed_to_pluto(f);
 255
 256         /* enable PID filtering */
 257         if (pluto->users++ == 0)
 258                 pluto_rw(pluto, REG_PIDn(0), PID0_AFIL | PID0_NOFIL, 0);
 259
 260         if ((f->pid < 0x2000) && (f->index < NHWFILTERS))
 261                 pluto_rw(pluto, REG_PIDn(f->index), PIDn_ENP | PIDn_PID, PIDn_ENP | f->pid);
 262         else if (pluto->full_ts_users++ == 0)
 263                 pluto_rw(pluto, REG_PIDn(0), PID0_NOFIL, PID0_NOFIL);
 264
 265         return 0;
 266 }
 267
 268 static int pluto_stop_feed(struct dvb_demux_feed *f)
 269 {
 270         struct pluto *pluto = feed_to_pluto(f);
 271
 272         /* disable PID filtering */
 273         if (--pluto->users == 0)
 274                 pluto_rw(pluto, REG_PIDn(0), PID0_AFIL, PID0_AFIL);
 275
 276         if ((f->pid < 0x2000) && (f->index < NHWFILTERS))
 277                 pluto_rw(pluto, REG_PIDn(f->index), PIDn_ENP | PIDn_PID, 0x1fff);
 278         else if (--pluto->full_ts_users == 0)
 279                 pluto_rw(pluto, REG_PIDn(0), PID0_NOFIL, 0);
 280
 281         return 0;
 282 }
 283
 284 static void pluto_dma_end(struct pluto *pluto, unsigned int nbpackets)
 285 {
 286         /* synchronize the DMA transfer with the CPU
 287          * first so that we see updated contents. */
 288         pci_dma_sync_single_for_cpu(pluto->pdev, pluto->dma_addr,
 289                         TS_DMA_BYTES, PCI_DMA_FROMDEVICE);
 290
 291         /* Workaround for broken hardware:
 292          * [1] On startup NBPACKETS seems to contain an uninitialized value,
 293          *     but no packets have been transfered.
 294          * [2] Sometimes (actually very often) NBPACKETS stays at zero
 295          *     although one packet has been transfered.
 296          * [3] Sometimes (actually rarely), the card gets into an erroneous
 297          *     mode where it continuously generates interrupts, claiming it
 298          *     has recieved nbpackets>TS_DMA_PACKETS packets, but no packet
 299          *     has been transfered. Only a reset seems to solve this
 300          */
 301         if ((nbpackets == 0) || (nbpackets > TS_DMA_PACKETS)) {
 302                 unsigned int i = 0;
 303                 while (pluto->dma_buf[i] == 0x47)
 304                         i += 188;
 305                 nbpackets = i / 188;
 306                 if (i == 0) {
 307                         pluto_reset_ts(pluto, 1);
 308                         dev_printk(KERN_DEBUG, &pluto->pdev->dev, "resetting TS because of invalid packet counter\n");
 309                 }
 310         }
 311
 312         dvb_dmx_swfilter_packets(&pluto->demux, pluto->dma_buf, nbpackets);
 313
 314         /* clear the dma buffer. this is needed to be able to identify
 315          * new valid ts packets above */
 316         memset(pluto->dma_buf, 0, nbpackets * 188);
 317
 318         /* reset the dma address */
 319         pluto_set_dma_addr(pluto);
 320
 321         /* sync the buffer and give it back to the card */
 322         pci_dma_sync_single_for_device(pluto->pdev, pluto->dma_addr,
 323                         TS_DMA_BYTES, PCI_DMA_FROMDEVICE);
 324 }
 325
 326 static irqreturn_t pluto_irq(int irq, void *dev_id)
 327 {
 328         struct pluto *pluto = dev_id;
 329         u32 tscr;
 330
 331         /* check whether an interrupt occured on this device */
 332         tscr = pluto_readreg(pluto, REG_TSCR);
 333         if (!(tscr & (TSCR_DE | TSCR_OVR)))
 334                 return IRQ_NONE;
 335
 336         if (tscr == 0xffffffff) {
 337                 // FIXME: maybe recover somehow
 338                 dev_err(&pluto->pdev->dev, "card hung up :(\n");
 339                 return IRQ_HANDLED;
 340         }
 341
 342         /* dma end interrupt */
 343         if (tscr & TSCR_DE) {
 344                 pluto_dma_end(pluto, (tscr & TSCR_NBPACKETS) >> 24);
 345                 /* overflow interrupt */
 346                 if (tscr & TSCR_OVR)
 347                         pluto->overflow++;
 348                 if (pluto->overflow) {
 349                         dev_err(&pluto->pdev->dev, "overflow irq (%d)\n",
 350                                         pluto->overflow);
 351                         pluto_reset_ts(pluto, 1);
 352                         pluto->overflow = 0;
 353                 }
 354         } else if (tscr & TSCR_OVR) {
 355                 pluto->overflow++;
 356         }
 357
 358         /* ACK the interrupt */
 359         pluto_write_tscr(pluto, tscr | TSCR_IACK);
 360
 361         return IRQ_HANDLED;
 362 }
 363
 364 static void __devinit pluto_enable_irqs(struct pluto *pluto)
 365 {
 366         u32 val = pluto_readreg(pluto, REG_TSCR);
 367
 368         /* disable AFUL and LOCK interrupts */
 369         val |= (TSCR_MSKA | TSCR_MSKL);
 370         /* enable DMA and OVERFLOW interrupts */
 371         val &= ~(TSCR_DEM | TSCR_MSKO);
 372         /* clear pending interrupts */
 373         val |= TSCR_IACK;
 374
 375         pluto_write_tscr(pluto, val);
 376 }
 377
 378 static void pluto_disable_irqs(struct pluto *pluto)
 379 {
 380         u32 val = pluto_readreg(pluto, REG_TSCR);
 381
 382         /* disable all interrupts */
 383         val |= (TSCR_DEM | TSCR_MSKO | TSCR_MSKA | TSCR_MSKL);
 384         /* clear pending interrupts */
 385         val |= TSCR_IACK;
 386
 387         pluto_write_tscr(pluto, val);
 388 }
 389
 390 static int __devinit pluto_hw_init(struct pluto *pluto)
 391 {
 392         pluto_reset_frontend(pluto, 1);
 393
 394         /* set automatic LED control by FPGA */
 395         pluto_rw(pluto, REG_MISC, MISC_ALED, MISC_ALED);
 396
 397         /* set data endianess */
 398 #ifdef __LITTLE_ENDIAN
 399         pluto_rw(pluto, REG_PIDn(0), PID0_END, PID0_END);
 400 #else
 401         pluto_rw(pluto, REG_PIDn(0), PID0_END, 0);
 402 #endif
 403         /* map DMA and set address */
 404         pluto_dma_map(pluto);
 405         pluto_set_dma_addr(pluto);
 406
 407         /* enable interrupts */
 408         pluto_enable_irqs(pluto);
 409
 410         /* reset TS logic */
 411         pluto_reset_ts(pluto, 1);
 412
 413         return 0;
 414 }
 415
 416 static void pluto_hw_exit(struct pluto *pluto)
 417 {
 418         /* disable interrupts */
 419         pluto_disable_irqs(pluto);
 420
 421         pluto_reset_ts(pluto, 0);
 422
 423         /* LED: disable automatic control, enable yellow, disable green */
 424         pluto_rw(pluto, REG_MISC, MISC_ALED | MISC_LED1 | MISC_LED0, MISC_LED1);
 425
 426         /* unmap DMA */
 427         pluto_dma_unmap(pluto);
 428
 429         pluto_reset_frontend(pluto, 0);
 430 }
 431
 432 static inline u32 divide(u32 numerator, u32 denominator)
 433 {
 434         if (denominator == 0)
 435                 return ~0;
 436
 437         return (numerator + denominator / 2) / denominator;
 438 }
 439
 440 /* LG Innotek TDTE-E001P (Infineon TUA6034) */
 441 static int lg_tdtpe001p_tuner_set_params(struct dvb_frontend *fe,
 442                                          struct dvb_frontend_parameters *p)
 443 {
 444         struct pluto *pluto = frontend_to_pluto(fe);
 445         struct i2c_msg msg;
 446         int ret;
 447         u8 buf[4];
 448         u32 div;
 449
 450         // Fref = 166.667 Hz
 451         // Fref * 3 = 500.000 Hz
 452         // IF = 36166667
 453         // IF / Fref = 217
 454         //div = divide(p->frequency + 36166667, 166667);
 455         div = divide(p->frequency * 3, 500000) + 217;
 456         buf[0] = (div >> 8) & 0x7f;
 457         buf[1] = (div >> 0) & 0xff;
 458
 459         if (p->frequency < 611000000)
 460                 buf[2] = 0xb4;
 461         else if (p->frequency < 811000000)
 462                 buf[2] = 0xbc;
 463         else
 464                 buf[2] = 0xf4;
 465
 466         // VHF: 174-230 MHz
 467         // center: 350 MHz
 468         // UHF: 470-862 MHz
 469         if (p->frequency < 350000000)
 470                 buf[3] = 0x02;
 471         else
 472                 buf[3] = 0x04;
 473
 474         if (p->u.ofdm.bandwidth == BANDWIDTH_8_MHZ)
 475                 buf[3] |= 0x08;
 476
 477         if (sizeof(buf) == 6) {
 478                 buf[4] = buf[2];
 479                 buf[4] &= ~0x1c;
 480                 buf[4] |=  0x18;
 481
 482                 buf[5] = (0 << 7) | (2 << 4);
 483         }
 484
 485         msg.addr = I2C_ADDR_TUA6034 >> 1;
 486         msg.flags = 0;
 487         msg.buf = buf;
 488         msg.len = sizeof(buf);
 489
 490         if (fe->ops.i2c_gate_ctrl)
 491                 fe->ops.i2c_gate_ctrl(fe, 1);
 492         ret = i2c_transfer(&pluto->i2c_adap, &msg, 1);
 493         if (ret < 0)
 494                 return ret;
 495         else if (ret == 0)
 496                 return -EREMOTEIO;
 497
 498         return 0;
 499 }
 500
 501 static int pluto2_request_firmware(struct dvb_frontend *fe,
 502                                    const struct firmware **fw, char *name)
 503 {
 504         struct pluto *pluto = frontend_to_pluto(fe);
 505
 506         return request_firmware(fw, name, &pluto->pdev->dev);
 507 }
 508
 509 static struct tda1004x_config pluto2_fe_config __devinitdata = {
 510         .demod_address = I2C_ADDR_TDA10046 >> 1,
 511         .invert = 1,
 512         .invert_oclk = 0,
 513         .xtal_freq = TDA10046_XTAL_16M,
 514         .agc_config = TDA10046_AGC_DEFAULT,
 515         .if_freq = TDA10046_FREQ_3617,
 516         .request_firmware = pluto2_request_firmware,
 517 };
 518
 519 static int __devinit frontend_init(struct pluto *pluto)
 520 {
 521         int ret;
 522
 523         pluto->fe = tda10046_attach(&pluto2_fe_config, &pluto->i2c_adap);
 524         if (!pluto->fe) {
 525                 dev_err(&pluto->pdev->dev, "could not attach frontend\n");
 526                 return -ENODEV;
 527         }
 528         pluto->fe->ops.tuner_ops.set_params = lg_tdtpe001p_tuner_set_params;
 529
 530         ret = dvb_register_frontend(&pluto->dvb_adapter, pluto->fe);
 531         if (ret < 0) {
 532                 if (pluto->fe->ops.release)
 533                         pluto->fe->ops.release(pluto->fe);
 534                 return ret;
 535         }
 536
 537         return 0;
 538 }
 539
 540 static void __devinit pluto_read_rev(struct pluto *pluto)
 541 {
 542         u32 val = pluto_readreg(pluto, REG_MISC) & MISC_DVR;
 543         dev_info(&pluto->pdev->dev, "board revision %d.%d\n",
 544                         (val >> 12) & 0x0f, (val >> 4) & 0xff);
 545 }
 546
 547 static void __devinit pluto_read_mac(struct pluto *pluto, u8 *mac)
 548 {
 549         u32 val = pluto_readreg(pluto, REG_MMAC);
 550         mac[0] = (val >> 8) & 0xff;
 551         mac[1] = (val >> 0) & 0xff;
 552
 553         val = pluto_readreg(pluto, REG_IMAC);
 554         mac[2] = (val >> 8) & 0xff;
 555         mac[3] = (val >> 0) & 0xff;
 556
 557         val = pluto_readreg(pluto, REG_LMAC);
 558         mac[4] = (val >> 8) & 0xff;
 559         mac[5] = (val >> 0) & 0xff;
 560
 561         dev_info(&pluto->pdev->dev, "MAC %02x:%02x:%02x:%02x:%02x:%02x\n",
 562                         mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
 563 }
 564
 565 static int __devinit pluto_read_serial(struct pluto *pluto)
 566 {
 567         struct pci_dev *pdev = pluto->pdev;
 568         unsigned int i, j;
 569         u8 __iomem *cis;
 570
 571         cis = pci_iomap(pdev, 1, 0);
 572         if (!cis)
 573                 return -EIO;
 574
 575         dev_info(&pdev->dev, "S/N ");
 576
 577         for (i = 0xe0; i < 0x100; i += 4) {
 578                 u32 val = readl(&cis[i]);
 579                 for (j = 0; j < 32; j += 8) {
 580                         if ((val & 0xff) == 0xff)
 581                                 goto out;
 582                         printk("%c", val & 0xff);
 583                         val >>= 8;
 584                 }
 585         }
 586 out:
 587         printk("\n");
 588         pci_iounmap(pdev, cis);
 589
 590         return 0;
 591 }
 592
 593 static int __devinit pluto2_probe(struct pci_dev *pdev,
 594                                   const struct pci_device_id *ent)
 595 {
 596         struct pluto *pluto;
 597         struct dvb_adapter *dvb_adapter;
 598         struct dvb_demux *dvbdemux;
 599         struct dmx_demux *dmx;
 600         int ret = -ENOMEM;
 601
 602         pluto = kzalloc(sizeof(struct pluto), GFP_KERNEL);
 603         if (!pluto)
 604                 goto out;
 605
 606         pluto->pdev = pdev;
 607
 608         ret = pci_enable_device(pdev);
 609         if (ret < 0)
 610                 goto err_kfree;
 611
 612         /* enable interrupts */
 613         pci_write_config_dword(pdev, 0x6c, 0x8000);
 614
 615         ret = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
 616         if (ret < 0)
 617                 goto err_pci_disable_device;
 618
 619         pci_set_master(pdev);
 620
 621         ret = pci_request_regions(pdev, DRIVER_NAME);
 622         if (ret < 0)
 623                 goto err_pci_disable_device;
 624
 625         pluto->io_mem = pci_iomap(pdev, 0, 0x40);
 626         if (!pluto->io_mem) {
 627                 ret = -EIO;
 628                 goto err_pci_release_regions;
 629         }
 630
 631         pci_set_drvdata(pdev, pluto);
 632
 633         ret = request_irq(pdev->irq, pluto_irq, IRQF_SHARED, DRIVER_NAME, pluto);
 634         if (ret < 0)
 635                 goto err_pci_iounmap;
 636
 637         ret = pluto_hw_init(pluto);
 638         if (ret < 0)
 639                 goto err_free_irq;
 640
 641         /* i2c */
 642         i2c_set_adapdata(&pluto->i2c_adap, pluto);
 643         strcpy(pluto->i2c_adap.name, DRIVER_NAME);
 644         pluto->i2c_adap.owner = THIS_MODULE;
 645         pluto->i2c_adap.class = I2C_CLASS_TV_DIGITAL;
 646         pluto->i2c_adap.dev.parent = &pdev->dev;
 647         pluto->i2c_adap.algo_data = &pluto->i2c_bit;
 648         pluto->i2c_bit.data = pluto;
 649         pluto->i2c_bit.setsda = pluto_setsda;
 650         pluto->i2c_bit.setscl = pluto_setscl;
 651         pluto->i2c_bit.getsda = pluto_getsda;
 652         pluto->i2c_bit.getscl = pluto_getscl;
 653         pluto->i2c_bit.udelay = 10;
 654         pluto->i2c_bit.timeout = 10;
 655
 656         /* Raise SCL and SDA */
 657         pluto_setsda(pluto, 1);
 658         pluto_setscl(pluto, 1);
 659
 660         ret = i2c_bit_add_bus(&pluto->i2c_adap);
 661         if (ret < 0)
 662                 goto err_pluto_hw_exit;
 663
 664         /* dvb */
 665         ret = dvb_register_adapter(&pluto->dvb_adapter, DRIVER_NAME, THIS_MODULE, &pdev->dev);
 666         if (ret < 0)
 667                 goto err_i2c_del_adapter;
 668
 669         dvb_adapter = &pluto->dvb_adapter;
 670
 671         pluto_read_rev(pluto);
 672         pluto_read_serial(pluto);
 673         pluto_read_mac(pluto, dvb_adapter->proposed_mac);
 674
 675         dvbdemux = &pluto->demux;
 676         dvbdemux->filternum = 256;
 677         dvbdemux->feednum = 256;
 678         dvbdemux->start_feed = pluto_start_feed;
 679         dvbdemux->stop_feed = pluto_stop_feed;
 680         dvbdemux->dmx.capabilities = (DMX_TS_FILTERING |
 681                         DMX_SECTION_FILTERING | DMX_MEMORY_BASED_FILTERING);
 682         ret = dvb_dmx_init(dvbdemux);
 683         if (ret < 0)
 684                 goto err_dvb_unregister_adapter;
 685
 686         dmx = &dvbdemux->dmx;
 687
 688         pluto->hw_frontend.source = DMX_FRONTEND_0;
 689         pluto->mem_frontend.source = DMX_MEMORY_FE;
 690         pluto->dmxdev.filternum = NHWFILTERS;
 691         pluto->dmxdev.demux = dmx;
 692
 693         ret = dvb_dmxdev_init(&pluto->dmxdev, dvb_adapter);
 694         if (ret < 0)
 695                 goto err_dvb_dmx_release;
 696
 697         ret = dmx->add_frontend(dmx, &pluto->hw_frontend);
 698         if (ret < 0)
 699                 goto err_dvb_dmxdev_release;
 700
 701         ret = dmx->add_frontend(dmx, &pluto->mem_frontend);
 702         if (ret < 0)
 703                 goto err_remove_hw_frontend;
 704
 705         ret = dmx->connect_frontend(dmx, &pluto->hw_frontend);
 706         if (ret < 0)
 707                 goto err_remove_mem_frontend;
 708
 709         ret = frontend_init(pluto);
 710         if (ret < 0)
 711                 goto err_disconnect_frontend;
 712
 713         dvb_net_init(dvb_adapter, &pluto->dvbnet, dmx);
 714 out:
 715         return ret;
 716
 717 err_disconnect_frontend:
 718         dmx->disconnect_frontend(dmx);
 719 err_remove_mem_frontend:
 720         dmx->remove_frontend(dmx, &pluto->mem_frontend);
 721 err_remove_hw_frontend:
 722         dmx->remove_frontend(dmx, &pluto->hw_frontend);
 723 err_dvb_dmxdev_release:
 724         dvb_dmxdev_release(&pluto->dmxdev);
 725 err_dvb_dmx_release:
 726         dvb_dmx_release(dvbdemux);
 727 err_dvb_unregister_adapter:
 728         dvb_unregister_adapter(dvb_adapter);
 729 err_i2c_del_adapter:
 730         i2c_del_adapter(&pluto->i2c_adap);
 731 err_pluto_hw_exit:
 732         pluto_hw_exit(pluto);
 733 err_free_irq:
 734         free_irq(pdev->irq, pluto);
 735 err_pci_iounmap:
 736         pci_iounmap(pdev, pluto->io_mem);
 737 err_pci_release_regions:
 738         pci_release_regions(pdev);
 739 err_pci_disable_device:
 740         pci_disable_device(pdev);
 741 err_kfree:
 742         pci_set_drvdata(pdev, NULL);
 743         kfree(pluto);
 744         goto out;
 745 }
 746
 747 static void __devexit pluto2_remove(struct pci_dev *pdev)
 748 {
 749         struct pluto *pluto = pci_get_drvdata(pdev);
 750         struct dvb_adapter *dvb_adapter = &pluto->dvb_adapter;
 751         struct dvb_demux *dvbdemux = &pluto->demux;
 752         struct dmx_demux *dmx = &dvbdemux->dmx;
 753
 754         dmx->close(dmx);
 755         dvb_net_release(&pluto->dvbnet);
 756         if (pluto->fe)
 757                 dvb_unregister_frontend(pluto->fe);
 758
 759         dmx->disconnect_frontend(dmx);
 760         dmx->remove_frontend(dmx, &pluto->mem_frontend);
 761         dmx->remove_frontend(dmx, &pluto->hw_frontend);
 762         dvb_dmxdev_release(&pluto->dmxdev);
 763         dvb_dmx_release(dvbdemux);
 764         dvb_unregister_adapter(dvb_adapter);
 765         i2c_del_adapter(&pluto->i2c_adap);
 766         pluto_hw_exit(pluto);
 767         free_irq(pdev->irq, pluto);
 768         pci_iounmap(pdev, pluto->io_mem);
 769         pci_release_regions(pdev);
 770         pci_disable_device(pdev);
 771         pci_set_drvdata(pdev, NULL);
 772         kfree(pluto);
 773 }
 774
 775 #ifndef PCI_VENDOR_ID_SCM
 776 #define PCI_VENDOR_ID_SCM       0x0432
 777 #endif
 778 #ifndef PCI_DEVICE_ID_PLUTO2
 779 #define PCI_DEVICE_ID_PLUTO2    0x0001
 780 #endif
 781
 782 static struct pci_device_id pluto2_id_table[] __devinitdata = {
 783         {
 784                 .vendor = PCI_VENDOR_ID_SCM,
 785                 .device = PCI_DEVICE_ID_PLUTO2,
 786                 .subvendor = PCI_ANY_ID,
 787                 .subdevice = PCI_ANY_ID,
 788         }, {
 789                 /* empty */
 790         },
 791 };
 792
 793 MODULE_DEVICE_TABLE(pci, pluto2_id_table);
 794
 795 static struct pci_driver pluto2_driver = {
 796         .name = DRIVER_NAME,
 797         .id_table = pluto2_id_table,
 798         .probe = pluto2_probe,
 799         .remove = __devexit_p(pluto2_remove),
 800 };
 801
 802 static int __init pluto2_init(void)
 803 {
 804         return pci_register_driver(&pluto2_driver);
 805 }
 806
 807 static void __exit pluto2_exit(void)
 808 {
 809         pci_unregister_driver(&pluto2_driver);
 810 }
 811
 812 module_init(pluto2_init);
 813 module_exit(pluto2_exit);
 814
 815 MODULE_AUTHOR("Andreas Oberritter <obi@linuxtv.org>");
 816 MODULE_DESCRIPTION("Pluto2 driver");
 817 MODULE_LICENSE("GPL");