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