linux/drivers/media/pci/pluto2/pluto2.c
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   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
  44DVB_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
  98struct 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
 129static inline struct pluto *feed_to_pluto(struct dvb_demux_feed *feed)
 130{
 131        return container_of(feed->demux, struct pluto, demux);
 132}
 133
 134static inline struct pluto *frontend_to_pluto(struct dvb_frontend *fe)
 135{
 136        return container_of(fe->dvb, struct pluto, dvb_adapter);
 137}
 138
 139static inline u32 pluto_readreg(struct pluto *pluto, u32 reg)
 140{
 141        return readl(&pluto->io_mem[reg]);
 142}
 143
 144static inline void pluto_writereg(struct pluto *pluto, u32 reg, u32 val)
 145{
 146        writel(val, &pluto->io_mem[reg]);
 147}
 148
 149static 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
 157static 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
 166static 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
 176static 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
 196static int pluto_getsda(void *data)
 197{
 198        struct pluto *pluto = data;
 199
 200        return pluto_readreg(pluto, REG_SLCS) & SLCS_SDA;
 201}
 202
 203static int pluto_getscl(void *data)
 204{
 205        struct pluto *pluto = data;
 206
 207        return pluto_readreg(pluto, REG_SLCS) & SLCS_SCL;
 208}
 209
 210static 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
 224static 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
 238static void pluto_set_dma_addr(struct pluto *pluto)
 239{
 240        pluto_writereg(pluto, REG_PCAR, pluto->dma_addr);
 241}
 242
 243static 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
 251static 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
 257static 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
 273static 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
 289static 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
 331static 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
 371static 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
 385static 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
 397static 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
 423static 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
 439static 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) */
 448static 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
 500static 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
 508static 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
 518static 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
 539static 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
 546static 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
 563static 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        }
 584out:
 585        printk("\n");
 586        pci_iounmap(pdev, cis);
 587
 588        return 0;
 589}
 590
 591static 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);
 711out:
 712        return ret;
 713
 714err_disconnect_frontend:
 715        dmx->disconnect_frontend(dmx);
 716err_remove_mem_frontend:
 717        dmx->remove_frontend(dmx, &pluto->mem_frontend);
 718err_remove_hw_frontend:
 719        dmx->remove_frontend(dmx, &pluto->hw_frontend);
 720err_dvb_dmxdev_release:
 721        dvb_dmxdev_release(&pluto->dmxdev);
 722err_dvb_dmx_release:
 723        dvb_dmx_release(dvbdemux);
 724err_dvb_unregister_adapter:
 725        dvb_unregister_adapter(dvb_adapter);
 726err_i2c_del_adapter:
 727        i2c_del_adapter(&pluto->i2c_adap);
 728err_pluto_hw_exit:
 729        pluto_hw_exit(pluto);
 730err_free_irq:
 731        free_irq(pdev->irq, pluto);
 732err_pci_iounmap:
 733        pci_iounmap(pdev, pluto->io_mem);
 734err_pci_release_regions:
 735        pci_release_regions(pdev);
 736err_pci_disable_device:
 737        pci_disable_device(pdev);
 738err_kfree:
 739        kfree(pluto);
 740        goto out;
 741}
 742
 743static 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
 777static 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
 788MODULE_DEVICE_TABLE(pci, pluto2_id_table);
 789
 790static 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
 797module_pci_driver(pluto2_driver);
 798
 799MODULE_AUTHOR("Andreas Oberritter <obi@linuxtv.org>");
 800MODULE_DESCRIPTION("Pluto2 driver");
 801MODULE_LICENSE("GPL");
 802