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  */
  21
  22 #include <linux/i2c.h>
  23 #include <linux/i2c-algo-bit.h>
  24 #include <linux/init.h>
  25 #include <linux/interrupt.h>
  26 #include <linux/kernel.h>
  27 #include <linux/module.h>
  28 #include <linux/pci.h>
  29 #include <linux/dma-mapping.h>
  30 #include <linux/slab.h>
  31
  32 #include "demux.h"
  33 #include "dmxdev.h"
  34 #include "dvb_demux.h"
  35 #include "dvb_frontend.h"
  36 #include "dvb_net.h"
  37 #include "dvbdev.h"
  38 #include "tda1004x.h"
  39
  40 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
  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         unsigned int dead;
 118
 119         /* dma */
 120         dma_addr_t dma_addr;
 121         u8 dma_buf[TS_DMA_BYTES];
 122         u8 dummy[4096];
 123 };
 124
 125 static inline struct pluto *feed_to_pluto(struct dvb_demux_feed *feed)
 126 {
 127         return container_of(feed->demux, struct pluto, demux);
 128 }
 129
 130 static inline struct pluto *frontend_to_pluto(struct dvb_frontend *fe)
 131 {
 132         return container_of(fe->dvb, struct pluto, dvb_adapter);
 133 }
 134
 135 static inline u32 pluto_readreg(struct pluto *pluto, u32 reg)
 136 {
 137         return readl(&pluto->io_mem[reg]);
 138 }
 139
 140 static inline void pluto_writereg(struct pluto *pluto, u32 reg, u32 val)
 141 {
 142         writel(val, &pluto->io_mem[reg]);
 143 }
 144
 145 static inline void pluto_rw(struct pluto *pluto, u32 reg, u32 mask, u32 bits)
 146 {
 147         u32 val = readl(&pluto->io_mem[reg]);
 148         val &= ~mask;
 149         val |= bits;
 150         writel(val, &pluto->io_mem[reg]);
 151 }
 152
 153 static void pluto_write_tscr(struct pluto *pluto, u32 val)
 154 {
 155         /* set the number of packets */
 156         val &= ~TSCR_ADEF;
 157         val |= TS_DMA_PACKETS / 2;
 158
 159         pluto_writereg(pluto, REG_TSCR, val);
 160 }
 161
 162 static void pluto_setsda(void *data, int state)
 163 {
 164         struct pluto *pluto = data;
 165
 166         if (state)
 167                 pluto_rw(pluto, REG_SLCS, SLCS_SDA, SLCS_SDA);
 168         else
 169                 pluto_rw(pluto, REG_SLCS, SLCS_SDA, 0);
 170 }
 171
 172 static void pluto_setscl(void *data, int state)
 173 {
 174         struct pluto *pluto = data;
 175
 176         if (state)
 177                 pluto_rw(pluto, REG_SLCS, SLCS_SCL, SLCS_SCL);
 178         else
 179                 pluto_rw(pluto, REG_SLCS, SLCS_SCL, 0);
 180
 181         /* try to detect i2c_inb() to workaround hardware bug:
 182          * reset SDA to high after SCL has been set to low */
 183         if ((state) && (pluto->i2cbug == 0)) {
 184                 pluto->i2cbug = 1;
 185         } else {
 186                 if ((!state) && (pluto->i2cbug == 1))
 187                         pluto_setsda(pluto, 1);
 188                 pluto->i2cbug = 0;
 189         }
 190 }
 191
 192 static int pluto_getsda(void *data)
 193 {
 194         struct pluto *pluto = data;
 195
 196         return pluto_readreg(pluto, REG_SLCS) & SLCS_SDA;
 197 }
 198
 199 static int pluto_getscl(void *data)
 200 {
 201         struct pluto *pluto = data;
 202
 203         return pluto_readreg(pluto, REG_SLCS) & SLCS_SCL;
 204 }
 205
 206 static void pluto_reset_frontend(struct pluto *pluto, int reenable)
 207 {
 208         u32 val = pluto_readreg(pluto, REG_MISC);
 209
 210         if (val & MISC_FRST) {
 211                 val &= ~MISC_FRST;
 212                 pluto_writereg(pluto, REG_MISC, val);
 213         }
 214         if (reenable) {
 215                 val |= MISC_FRST;
 216                 pluto_writereg(pluto, REG_MISC, val);
 217         }
 218 }
 219
 220 static void pluto_reset_ts(struct pluto *pluto, int reenable)
 221 {
 222         u32 val = pluto_readreg(pluto, REG_TSCR);
 223
 224         if (val & TSCR_RSTN) {
 225                 val &= ~TSCR_RSTN;
 226                 pluto_write_tscr(pluto, val);
 227         }
 228         if (reenable) {
 229                 val |= TSCR_RSTN;
 230                 pluto_write_tscr(pluto, val);
 231         }
 232 }
 233
 234 static void pluto_set_dma_addr(struct pluto *pluto)
 235 {
 236         pluto_writereg(pluto, REG_PCAR, pluto->dma_addr);
 237 }
 238
 239 static int pluto_dma_map(struct pluto *pluto)
 240 {
 241         pluto->dma_addr = pci_map_single(pluto->pdev, pluto->dma_buf,
 242                         TS_DMA_BYTES, PCI_DMA_FROMDEVICE);
 243
 244         return pci_dma_mapping_error(pluto->pdev, pluto->dma_addr);
 245 }
 246
 247 static void pluto_dma_unmap(struct pluto *pluto)
 248 {
 249         pci_unmap_single(pluto->pdev, pluto->dma_addr,
 250                         TS_DMA_BYTES, PCI_DMA_FROMDEVICE);
 251 }
 252
 253 static int pluto_start_feed(struct dvb_demux_feed *f)
 254 {
 255         struct pluto *pluto = feed_to_pluto(f);
 256
 257         /* enable PID filtering */
 258         if (pluto->users++ == 0)
 259                 pluto_rw(pluto, REG_PIDn(0), PID0_AFIL | PID0_NOFIL, 0);
 260
 261         if ((f->pid < 0x2000) && (f->index < NHWFILTERS))
 262                 pluto_rw(pluto, REG_PIDn(f->index), PIDn_ENP | PIDn_PID, PIDn_ENP | f->pid);
 263         else if (pluto->full_ts_users++ == 0)
 264                 pluto_rw(pluto, REG_PIDn(0), PID0_NOFIL, PID0_NOFIL);
 265
 266         return 0;
 267 }
 268
 269 static int pluto_stop_feed(struct dvb_demux_feed *f)
 270 {
 271         struct pluto *pluto = feed_to_pluto(f);
 272
 273         /* disable PID filtering */
 274         if (--pluto->users == 0)
 275                 pluto_rw(pluto, REG_PIDn(0), PID0_AFIL, PID0_AFIL);
 276
 277         if ((f->pid < 0x2000) && (f->index < NHWFILTERS))
 278                 pluto_rw(pluto, REG_PIDn(f->index), PIDn_ENP | PIDn_PID, 0x1fff);
 279         else if (--pluto->full_ts_users == 0)
 280                 pluto_rw(pluto, REG_PIDn(0), PID0_NOFIL, 0);
 281
 282         return 0;
 283 }
 284
 285 static void pluto_dma_end(struct pluto *pluto, unsigned int nbpackets)
 286 {
 287         /* synchronize the DMA transfer with the CPU
 288          * first so that we see updated contents. */
 289         pci_dma_sync_single_for_cpu(pluto->pdev, pluto->dma_addr,
 290                         TS_DMA_BYTES, PCI_DMA_FROMDEVICE);
 291
 292         /* Workaround for broken hardware:
 293          * [1] On startup NBPACKETS seems to contain an uninitialized value,
 294          *     but no packets have been transferred.
 295          * [2] Sometimes (actually very often) NBPACKETS stays at zero
 296          *     although one packet has been transferred.
 297          * [3] Sometimes (actually rarely), the card gets into an erroneous
 298          *     mode where it continuously generates interrupts, claiming it
 299          *     has received nbpackets>TS_DMA_PACKETS packets, but no packet
 300          *     has been transferred. Only a reset seems to solve this
 301          */
 302         if ((nbpackets == 0) || (nbpackets > TS_DMA_PACKETS)) {
 303                 unsigned int i = 0;
 304                 while (pluto->dma_buf[i] == 0x47)
 305                         i += 188;
 306                 nbpackets = i / 188;
 307                 if (i == 0) {
 308                         pluto_reset_ts(pluto, 1);
 309                         dev_printk(KERN_DEBUG, &pluto->pdev->dev, "resetting TS because of invalid packet counter\n");
 310                 }
 311         }
 312
 313         dvb_dmx_swfilter_packets(&pluto->demux, pluto->dma_buf, nbpackets);
 314
 315         /* clear the dma buffer. this is needed to be able to identify
 316          * new valid ts packets above */
 317         memset(pluto->dma_buf, 0, nbpackets * 188);
 318
 319         /* reset the dma address */
 320         pluto_set_dma_addr(pluto);
 321
 322         /* sync the buffer and give it back to the card */
 323         pci_dma_sync_single_for_device(pluto->pdev, pluto->dma_addr,
 324                         TS_DMA_BYTES, PCI_DMA_FROMDEVICE);
 325 }
 326
 327 static irqreturn_t pluto_irq(int irq, void *dev_id)
 328 {
 329         struct pluto *pluto = dev_id;
 330         u32 tscr;
 331
 332         /* check whether an interrupt occurred on this device */
 333         tscr = pluto_readreg(pluto, REG_TSCR);
 334         if (!(tscr & (TSCR_DE | TSCR_OVR)))
 335                 return IRQ_NONE;
 336
 337         if (tscr == 0xffffffff) {
 338                 if (pluto->dead == 0)
 339                         dev_err(&pluto->pdev->dev, "card has hung or been ejected.\n");
 340                 /* It's dead Jim */
 341                 pluto->dead = 1;
 342                 return IRQ_HANDLED;
 343         }
 344
 345         /* dma end interrupt */
 346         if (tscr & TSCR_DE) {
 347                 pluto_dma_end(pluto, (tscr & TSCR_NBPACKETS) >> 24);
 348                 /* overflow interrupt */
 349                 if (tscr & TSCR_OVR)
 350                         pluto->overflow++;
 351                 if (pluto->overflow) {
 352                         dev_err(&pluto->pdev->dev, "overflow irq (%d)\n",
 353                                         pluto->overflow);
 354                         pluto_reset_ts(pluto, 1);
 355                         pluto->overflow = 0;
 356                 }
 357         } else if (tscr & TSCR_OVR) {
 358                 pluto->overflow++;
 359         }
 360
 361         /* ACK the interrupt */
 362         pluto_write_tscr(pluto, tscr | TSCR_IACK);
 363
 364         return IRQ_HANDLED;
 365 }
 366
 367 static void pluto_enable_irqs(struct pluto *pluto)
 368 {
 369         u32 val = pluto_readreg(pluto, REG_TSCR);
 370
 371         /* disable AFUL and LOCK interrupts */
 372         val |= (TSCR_MSKA | TSCR_MSKL);
 373         /* enable DMA and OVERFLOW interrupts */
 374         val &= ~(TSCR_DEM | TSCR_MSKO);
 375         /* clear pending interrupts */
 376         val |= TSCR_IACK;
 377
 378         pluto_write_tscr(pluto, val);
 379 }
 380
 381 static void pluto_disable_irqs(struct pluto *pluto)
 382 {
 383         u32 val = pluto_readreg(pluto, REG_TSCR);
 384
 385         /* disable all interrupts */
 386         val |= (TSCR_DEM | TSCR_MSKO | TSCR_MSKA | TSCR_MSKL);
 387         /* clear pending interrupts */
 388         val |= TSCR_IACK;
 389
 390         pluto_write_tscr(pluto, val);
 391 }
 392
 393 static int pluto_hw_init(struct pluto *pluto)
 394 {
 395         pluto_reset_frontend(pluto, 1);
 396
 397         /* set automatic LED control by FPGA */
 398         pluto_rw(pluto, REG_MISC, MISC_ALED, MISC_ALED);
 399
 400         /* set data endianness */
 401 #ifdef __LITTLE_ENDIAN
 402         pluto_rw(pluto, REG_PIDn(0), PID0_END, PID0_END);
 403 #else
 404         pluto_rw(pluto, REG_PIDn(0), PID0_END, 0);
 405 #endif
 406         /* map DMA and set address */
 407         pluto_dma_map(pluto);
 408         pluto_set_dma_addr(pluto);
 409
 410         /* enable interrupts */
 411         pluto_enable_irqs(pluto);
 412
 413         /* reset TS logic */
 414         pluto_reset_ts(pluto, 1);
 415
 416         return 0;
 417 }
 418
 419 static void pluto_hw_exit(struct pluto *pluto)
 420 {
 421         /* disable interrupts */
 422         pluto_disable_irqs(pluto);
 423
 424         pluto_reset_ts(pluto, 0);
 425
 426         /* LED: disable automatic control, enable yellow, disable green */
 427         pluto_rw(pluto, REG_MISC, MISC_ALED | MISC_LED1 | MISC_LED0, MISC_LED1);
 428
 429         /* unmap DMA */
 430         pluto_dma_unmap(pluto);
 431
 432         pluto_reset_frontend(pluto, 0);
 433 }
 434
 435 static inline u32 divide(u32 numerator, u32 denominator)
 436 {
 437         if (denominator == 0)
 438                 return ~0;
 439
 440         return DIV_ROUND_CLOSEST(numerator, denominator);
 441 }
 442
 443 /* LG Innotek TDTE-E001P (Infineon TUA6034) */
 444 static int lg_tdtpe001p_tuner_set_params(struct dvb_frontend *fe)
 445 {
 446         struct dtv_frontend_properties *p = &fe->dtv_property_cache;
 447         struct pluto *pluto = frontend_to_pluto(fe);
 448         struct i2c_msg msg;
 449         int ret;
 450         u8 buf[4];
 451         u32 div;
 452
 453         // Fref = 166.667 Hz
 454         // Fref * 3 = 500.000 Hz
 455         // IF = 36166667
 456         // IF / Fref = 217
 457         //div = divide(p->frequency + 36166667, 166667);
 458         div = divide(p->frequency * 3, 500000) + 217;
 459         buf[0] = (div >> 8) & 0x7f;
 460         buf[1] = (div >> 0) & 0xff;
 461
 462         if (p->frequency < 611000000)
 463                 buf[2] = 0xb4;
 464         else if (p->frequency < 811000000)
 465                 buf[2] = 0xbc;
 466         else
 467                 buf[2] = 0xf4;
 468
 469         // VHF: 174-230 MHz
 470         // center: 350 MHz
 471         // UHF: 470-862 MHz
 472         if (p->frequency < 350000000)
 473                 buf[3] = 0x02;
 474         else
 475                 buf[3] = 0x04;
 476
 477         if (p->bandwidth_hz == 8000000)
 478                 buf[3] |= 0x08;
 479
 480         msg.addr = I2C_ADDR_TUA6034 >> 1;
 481         msg.flags = 0;
 482         msg.buf = buf;
 483         msg.len = sizeof(buf);
 484
 485         if (fe->ops.i2c_gate_ctrl)
 486                 fe->ops.i2c_gate_ctrl(fe, 1);
 487         ret = i2c_transfer(&pluto->i2c_adap, &msg, 1);
 488         if (ret < 0)
 489                 return ret;
 490         else if (ret == 0)
 491                 return -EREMOTEIO;
 492
 493         return 0;
 494 }
 495
 496 static int pluto2_request_firmware(struct dvb_frontend *fe,
 497                                    const struct firmware **fw, char *name)
 498 {
 499         struct pluto *pluto = frontend_to_pluto(fe);
 500
 501         return request_firmware(fw, name, &pluto->pdev->dev);
 502 }
 503
 504 static struct tda1004x_config pluto2_fe_config = {
 505         .demod_address = I2C_ADDR_TDA10046 >> 1,
 506         .invert = 1,
 507         .invert_oclk = 0,
 508         .xtal_freq = TDA10046_XTAL_16M,
 509         .agc_config = TDA10046_AGC_DEFAULT,
 510         .if_freq = TDA10046_FREQ_3617,
 511         .request_firmware = pluto2_request_firmware,
 512 };
 513
 514 static int frontend_init(struct pluto *pluto)
 515 {
 516         int ret;
 517
 518         pluto->fe = tda10046_attach(&pluto2_fe_config, &pluto->i2c_adap);
 519         if (!pluto->fe) {
 520                 dev_err(&pluto->pdev->dev, "could not attach frontend\n");
 521                 return -ENODEV;
 522         }
 523         pluto->fe->ops.tuner_ops.set_params = lg_tdtpe001p_tuner_set_params;
 524
 525         ret = dvb_register_frontend(&pluto->dvb_adapter, pluto->fe);
 526         if (ret < 0) {
 527                 if (pluto->fe->ops.release)
 528                         pluto->fe->ops.release(pluto->fe);
 529                 return ret;
 530         }
 531
 532         return 0;
 533 }
 534
 535 static void pluto_read_rev(struct pluto *pluto)
 536 {
 537         u32 val = pluto_readreg(pluto, REG_MISC) & MISC_DVR;
 538         dev_info(&pluto->pdev->dev, "board revision %d.%d\n",
 539                         (val >> 12) & 0x0f, (val >> 4) & 0xff);
 540 }
 541
 542 static void pluto_read_mac(struct pluto *pluto, u8 *mac)
 543 {
 544         u32 val = pluto_readreg(pluto, REG_MMAC);
 545         mac[0] = (val >> 8) & 0xff;
 546         mac[1] = (val >> 0) & 0xff;
 547
 548         val = pluto_readreg(pluto, REG_IMAC);
 549         mac[2] = (val >> 8) & 0xff;
 550         mac[3] = (val >> 0) & 0xff;
 551
 552         val = pluto_readreg(pluto, REG_LMAC);
 553         mac[4] = (val >> 8) & 0xff;
 554         mac[5] = (val >> 0) & 0xff;
 555
 556         dev_info(&pluto->pdev->dev, "MAC %pM\n", mac);
 557 }
 558
 559 static int pluto_read_serial(struct pluto *pluto)
 560 {
 561         struct pci_dev *pdev = pluto->pdev;
 562         unsigned int i, j;
 563         u8 __iomem *cis;
 564
 565         cis = pci_iomap(pdev, 1, 0);
 566         if (!cis)
 567                 return -EIO;
 568
 569         dev_info(&pdev->dev, "S/N ");
 570
 571         for (i = 0xe0; i < 0x100; i += 4) {
 572                 u32 val = readl(&cis[i]);
 573                 for (j = 0; j < 32; j += 8) {
 574                         if ((val & 0xff) == 0xff)
 575                                 goto out;
 576                         printk(KERN_CONT "%c", val & 0xff);
 577                         val >>= 8;
 578                 }
 579         }
 580 out:
 581         printk(KERN_CONT "\n");
 582         pci_iounmap(pdev, cis);
 583
 584         return 0;
 585 }
 586
 587 static int pluto2_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 588 {
 589         struct pluto *pluto;
 590         struct dvb_adapter *dvb_adapter;
 591         struct dvb_demux *dvbdemux;
 592         struct dmx_demux *dmx;
 593         int ret = -ENOMEM;
 594
 595         pluto = kzalloc(sizeof(struct pluto), GFP_KERNEL);
 596         if (!pluto)
 597                 goto out;
 598
 599         pluto->pdev = pdev;
 600
 601         ret = pci_enable_device(pdev);
 602         if (ret < 0)
 603                 goto err_kfree;
 604
 605         /* enable interrupts */
 606         pci_write_config_dword(pdev, 0x6c, 0x8000);
 607
 608         ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
 609         if (ret < 0)
 610                 goto err_pci_disable_device;
 611
 612         pci_set_master(pdev);
 613
 614         ret = pci_request_regions(pdev, DRIVER_NAME);
 615         if (ret < 0)
 616                 goto err_pci_disable_device;
 617
 618         pluto->io_mem = pci_iomap(pdev, 0, 0x40);
 619         if (!pluto->io_mem) {
 620                 ret = -EIO;
 621                 goto err_pci_release_regions;
 622         }
 623
 624         pci_set_drvdata(pdev, pluto);
 625
 626         ret = request_irq(pdev->irq, pluto_irq, IRQF_SHARED, DRIVER_NAME, pluto);
 627         if (ret < 0)
 628                 goto err_pci_iounmap;
 629
 630         ret = pluto_hw_init(pluto);
 631         if (ret < 0)
 632                 goto err_free_irq;
 633
 634         /* i2c */
 635         i2c_set_adapdata(&pluto->i2c_adap, pluto);
 636         strcpy(pluto->i2c_adap.name, DRIVER_NAME);
 637         pluto->i2c_adap.owner = THIS_MODULE;
 638         pluto->i2c_adap.dev.parent = &pdev->dev;
 639         pluto->i2c_adap.algo_data = &pluto->i2c_bit;
 640         pluto->i2c_bit.data = pluto;
 641         pluto->i2c_bit.setsda = pluto_setsda;
 642         pluto->i2c_bit.setscl = pluto_setscl;
 643         pluto->i2c_bit.getsda = pluto_getsda;
 644         pluto->i2c_bit.getscl = pluto_getscl;
 645         pluto->i2c_bit.udelay = 10;
 646         pluto->i2c_bit.timeout = 10;
 647
 648         /* Raise SCL and SDA */
 649         pluto_setsda(pluto, 1);
 650         pluto_setscl(pluto, 1);
 651
 652         ret = i2c_bit_add_bus(&pluto->i2c_adap);
 653         if (ret < 0)
 654                 goto err_pluto_hw_exit;
 655
 656         /* dvb */
 657         ret = dvb_register_adapter(&pluto->dvb_adapter, DRIVER_NAME,
 658                                    THIS_MODULE, &pdev->dev, adapter_nr);
 659         if (ret < 0)
 660                 goto err_i2c_del_adapter;
 661
 662         dvb_adapter = &pluto->dvb_adapter;
 663
 664         pluto_read_rev(pluto);
 665         pluto_read_serial(pluto);
 666         pluto_read_mac(pluto, dvb_adapter->proposed_mac);
 667
 668         dvbdemux = &pluto->demux;
 669         dvbdemux->filternum = 256;
 670         dvbdemux->feednum = 256;
 671         dvbdemux->start_feed = pluto_start_feed;
 672         dvbdemux->stop_feed = pluto_stop_feed;
 673         dvbdemux->dmx.capabilities = (DMX_TS_FILTERING |
 674                         DMX_SECTION_FILTERING | DMX_MEMORY_BASED_FILTERING);
 675         ret = dvb_dmx_init(dvbdemux);
 676         if (ret < 0)
 677                 goto err_dvb_unregister_adapter;
 678
 679         dmx = &dvbdemux->dmx;
 680
 681         pluto->hw_frontend.source = DMX_FRONTEND_0;
 682         pluto->mem_frontend.source = DMX_MEMORY_FE;
 683         pluto->dmxdev.filternum = NHWFILTERS;
 684         pluto->dmxdev.demux = dmx;
 685
 686         ret = dvb_dmxdev_init(&pluto->dmxdev, dvb_adapter);
 687         if (ret < 0)
 688                 goto err_dvb_dmx_release;
 689
 690         ret = dmx->add_frontend(dmx, &pluto->hw_frontend);
 691         if (ret < 0)
 692                 goto err_dvb_dmxdev_release;
 693
 694         ret = dmx->add_frontend(dmx, &pluto->mem_frontend);
 695         if (ret < 0)
 696                 goto err_remove_hw_frontend;
 697
 698         ret = dmx->connect_frontend(dmx, &pluto->hw_frontend);
 699         if (ret < 0)
 700                 goto err_remove_mem_frontend;
 701
 702         ret = frontend_init(pluto);
 703         if (ret < 0)
 704                 goto err_disconnect_frontend;
 705
 706         dvb_net_init(dvb_adapter, &pluto->dvbnet, dmx);
 707 out:
 708         return ret;
 709
 710 err_disconnect_frontend:
 711         dmx->disconnect_frontend(dmx);
 712 err_remove_mem_frontend:
 713         dmx->remove_frontend(dmx, &pluto->mem_frontend);
 714 err_remove_hw_frontend:
 715         dmx->remove_frontend(dmx, &pluto->hw_frontend);
 716 err_dvb_dmxdev_release:
 717         dvb_dmxdev_release(&pluto->dmxdev);
 718 err_dvb_dmx_release:
 719         dvb_dmx_release(dvbdemux);
 720 err_dvb_unregister_adapter:
 721         dvb_unregister_adapter(dvb_adapter);
 722 err_i2c_del_adapter:
 723         i2c_del_adapter(&pluto->i2c_adap);
 724 err_pluto_hw_exit:
 725         pluto_hw_exit(pluto);
 726 err_free_irq:
 727         free_irq(pdev->irq, pluto);
 728 err_pci_iounmap:
 729         pci_iounmap(pdev, pluto->io_mem);
 730 err_pci_release_regions:
 731         pci_release_regions(pdev);
 732 err_pci_disable_device:
 733         pci_disable_device(pdev);
 734 err_kfree:
 735         kfree(pluto);
 736         goto out;
 737 }
 738
 739 static void pluto2_remove(struct pci_dev *pdev)
 740 {
 741         struct pluto *pluto = pci_get_drvdata(pdev);
 742         struct dvb_adapter *dvb_adapter = &pluto->dvb_adapter;
 743         struct dvb_demux *dvbdemux = &pluto->demux;
 744         struct dmx_demux *dmx = &dvbdemux->dmx;
 745
 746         dmx->close(dmx);
 747         dvb_net_release(&pluto->dvbnet);
 748         if (pluto->fe)
 749                 dvb_unregister_frontend(pluto->fe);
 750
 751         dmx->disconnect_frontend(dmx);
 752         dmx->remove_frontend(dmx, &pluto->mem_frontend);
 753         dmx->remove_frontend(dmx, &pluto->hw_frontend);
 754         dvb_dmxdev_release(&pluto->dmxdev);
 755         dvb_dmx_release(dvbdemux);
 756         dvb_unregister_adapter(dvb_adapter);
 757         i2c_del_adapter(&pluto->i2c_adap);
 758         pluto_hw_exit(pluto);
 759         free_irq(pdev->irq, pluto);
 760         pci_iounmap(pdev, pluto->io_mem);
 761         pci_release_regions(pdev);
 762         pci_disable_device(pdev);
 763         kfree(pluto);
 764 }
 765
 766 #ifndef PCI_VENDOR_ID_SCM
 767 #define PCI_VENDOR_ID_SCM       0x0432
 768 #endif
 769 #ifndef PCI_DEVICE_ID_PLUTO2
 770 #define PCI_DEVICE_ID_PLUTO2    0x0001
 771 #endif
 772
 773 static struct pci_device_id pluto2_id_table[] = {
 774         {
 775                 .vendor = PCI_VENDOR_ID_SCM,
 776                 .device = PCI_DEVICE_ID_PLUTO2,
 777                 .subvendor = PCI_ANY_ID,
 778                 .subdevice = PCI_ANY_ID,
 779         }, {
 780                 /* empty */
 781         },
 782 };
 783
 784 MODULE_DEVICE_TABLE(pci, pluto2_id_table);
 785
 786 static struct pci_driver pluto2_driver = {
 787         .name = DRIVER_NAME,
 788         .id_table = pluto2_id_table,
 789         .probe = pluto2_probe,
 790         .remove = pluto2_remove,
 791 };
 792
 793 module_pci_driver(pluto2_driver);
 794
 795 MODULE_AUTHOR("Andreas Oberritter <obi@linuxtv.org>");
 796 MODULE_DESCRIPTION("Pluto2 driver");
 797 MODULE_LICENSE("GPL");