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