linux/drivers/media/pci/ngene/ngene-core.c
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   1/*
   2 * ngene.c: nGene PCIe bridge driver
   3 *
   4 * Copyright (C) 2005-2007 Micronas
   5 *
   6 * Copyright (C) 2008-2009 Ralph Metzler <rjkm@metzlerbros.de>
   7 *                         Modifications for new nGene firmware,
   8 *                         support for EEPROM-copying,
   9 *                         support for new dual DVB-S2 card prototype
  10 *
  11 *
  12 * This program is free software; you can redistribute it and/or
  13 * modify it under the terms of the GNU General Public License
  14 * version 2 only, as published by the Free Software Foundation.
  15 *
  16 *
  17 * This program is distributed in the hope that it will be useful,
  18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20 * GNU General Public License for more details.
  21 *
  22 * To obtain the license, point your browser to
  23 * http://www.gnu.org/copyleft/gpl.html
  24 */
  25
  26#include <linux/module.h>
  27#include <linux/init.h>
  28#include <linux/delay.h>
  29#include <linux/poll.h>
  30#include <linux/io.h>
  31#include <asm/div64.h>
  32#include <linux/pci.h>
  33#include <linux/timer.h>
  34#include <linux/byteorder/generic.h>
  35#include <linux/firmware.h>
  36#include <linux/vmalloc.h>
  37
  38#include "ngene.h"
  39
  40static int one_adapter;
  41module_param(one_adapter, int, 0444);
  42MODULE_PARM_DESC(one_adapter, "Use only one adapter.");
  43
  44static int shutdown_workaround;
  45module_param(shutdown_workaround, int, 0644);
  46MODULE_PARM_DESC(shutdown_workaround, "Activate workaround for shutdown problem with some chipsets.");
  47
  48static int debug;
  49module_param(debug, int, 0444);
  50MODULE_PARM_DESC(debug, "Print debugging information.");
  51
  52DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
  53
  54#define dprintk if (debug) printk
  55
  56#define ngwriteb(dat, adr)         writeb((dat), dev->iomem + (adr))
  57#define ngwritel(dat, adr)         writel((dat), dev->iomem + (adr))
  58#define ngwriteb(dat, adr)         writeb((dat), dev->iomem + (adr))
  59#define ngreadl(adr)               readl(dev->iomem + (adr))
  60#define ngreadb(adr)               readb(dev->iomem + (adr))
  61#define ngcpyto(adr, src, count)   memcpy_toio(dev->iomem + (adr), (src), (count))
  62#define ngcpyfrom(dst, adr, count) memcpy_fromio((dst), dev->iomem + (adr), (count))
  63
  64/****************************************************************************/
  65/* nGene interrupt handler **************************************************/
  66/****************************************************************************/
  67
  68static void event_tasklet(unsigned long data)
  69{
  70        struct ngene *dev = (struct ngene *)data;
  71
  72        while (dev->EventQueueReadIndex != dev->EventQueueWriteIndex) {
  73                struct EVENT_BUFFER Event =
  74                        dev->EventQueue[dev->EventQueueReadIndex];
  75                dev->EventQueueReadIndex =
  76                        (dev->EventQueueReadIndex + 1) & (EVENT_QUEUE_SIZE - 1);
  77
  78                if ((Event.UARTStatus & 0x01) && (dev->TxEventNotify))
  79                        dev->TxEventNotify(dev, Event.TimeStamp);
  80                if ((Event.UARTStatus & 0x02) && (dev->RxEventNotify))
  81                        dev->RxEventNotify(dev, Event.TimeStamp,
  82                                           Event.RXCharacter);
  83        }
  84}
  85
  86static void demux_tasklet(unsigned long data)
  87{
  88        struct ngene_channel *chan = (struct ngene_channel *)data;
  89        struct SBufferHeader *Cur = chan->nextBuffer;
  90
  91        spin_lock_irq(&chan->state_lock);
  92
  93        while (Cur->ngeneBuffer.SR.Flags & 0x80) {
  94                if (chan->mode & NGENE_IO_TSOUT) {
  95                        u32 Flags = chan->DataFormatFlags;
  96                        if (Cur->ngeneBuffer.SR.Flags & 0x20)
  97                                Flags |= BEF_OVERFLOW;
  98                        if (chan->pBufferExchange) {
  99                                if (!chan->pBufferExchange(chan,
 100                                                           Cur->Buffer1,
 101                                                           chan->Capture1Length,
 102                                                           Cur->ngeneBuffer.SR.
 103                                                           Clock, Flags)) {
 104                                        /*
 105                                           We didn't get data
 106                                           Clear in service flag to make sure we
 107                                           get called on next interrupt again.
 108                                           leave fill/empty (0x80) flag alone
 109                                           to avoid hardware running out of
 110                                           buffers during startup, we hold only
 111                                           in run state ( the source may be late
 112                                           delivering data )
 113                                        */
 114
 115                                        if (chan->HWState == HWSTATE_RUN) {
 116                                                Cur->ngeneBuffer.SR.Flags &=
 117                                                        ~0x40;
 118                                                break;
 119                                                /* Stop processing stream */
 120                                        }
 121                                } else {
 122                                        /* We got a valid buffer,
 123                                           so switch to run state */
 124                                        chan->HWState = HWSTATE_RUN;
 125                                }
 126                        } else {
 127                                printk(KERN_ERR DEVICE_NAME ": OOPS\n");
 128                                if (chan->HWState == HWSTATE_RUN) {
 129                                        Cur->ngeneBuffer.SR.Flags &= ~0x40;
 130                                        break;  /* Stop processing stream */
 131                                }
 132                        }
 133                        if (chan->AudioDTOUpdated) {
 134                                printk(KERN_INFO DEVICE_NAME
 135                                       ": Update AudioDTO = %d\n",
 136                                       chan->AudioDTOValue);
 137                                Cur->ngeneBuffer.SR.DTOUpdate =
 138                                        chan->AudioDTOValue;
 139                                chan->AudioDTOUpdated = 0;
 140                        }
 141                } else {
 142                        if (chan->HWState == HWSTATE_RUN) {
 143                                u32 Flags = chan->DataFormatFlags;
 144                                IBufferExchange *exch1 = chan->pBufferExchange;
 145                                IBufferExchange *exch2 = chan->pBufferExchange2;
 146                                if (Cur->ngeneBuffer.SR.Flags & 0x01)
 147                                        Flags |= BEF_EVEN_FIELD;
 148                                if (Cur->ngeneBuffer.SR.Flags & 0x20)
 149                                        Flags |= BEF_OVERFLOW;
 150                                spin_unlock_irq(&chan->state_lock);
 151                                if (exch1)
 152                                        exch1(chan, Cur->Buffer1,
 153                                                chan->Capture1Length,
 154                                                Cur->ngeneBuffer.SR.Clock,
 155                                                Flags);
 156                                if (exch2)
 157                                        exch2(chan, Cur->Buffer2,
 158                                                chan->Capture2Length,
 159                                                Cur->ngeneBuffer.SR.Clock,
 160                                                Flags);
 161                                spin_lock_irq(&chan->state_lock);
 162                        } else if (chan->HWState != HWSTATE_STOP)
 163                                chan->HWState = HWSTATE_RUN;
 164                }
 165                Cur->ngeneBuffer.SR.Flags = 0x00;
 166                Cur = Cur->Next;
 167        }
 168        chan->nextBuffer = Cur;
 169
 170        spin_unlock_irq(&chan->state_lock);
 171}
 172
 173static irqreturn_t irq_handler(int irq, void *dev_id)
 174{
 175        struct ngene *dev = (struct ngene *)dev_id;
 176        u32 icounts = 0;
 177        irqreturn_t rc = IRQ_NONE;
 178        u32 i = MAX_STREAM;
 179        u8 *tmpCmdDoneByte;
 180
 181        if (dev->BootFirmware) {
 182                icounts = ngreadl(NGENE_INT_COUNTS);
 183                if (icounts != dev->icounts) {
 184                        ngwritel(0, FORCE_NMI);
 185                        dev->cmd_done = 1;
 186                        wake_up(&dev->cmd_wq);
 187                        dev->icounts = icounts;
 188                        rc = IRQ_HANDLED;
 189                }
 190                return rc;
 191        }
 192
 193        ngwritel(0, FORCE_NMI);
 194
 195        spin_lock(&dev->cmd_lock);
 196        tmpCmdDoneByte = dev->CmdDoneByte;
 197        if (tmpCmdDoneByte &&
 198            (*tmpCmdDoneByte ||
 199            (dev->ngenetohost[0] == 1 && dev->ngenetohost[1] != 0))) {
 200                dev->CmdDoneByte = NULL;
 201                dev->cmd_done = 1;
 202                wake_up(&dev->cmd_wq);
 203                rc = IRQ_HANDLED;
 204        }
 205        spin_unlock(&dev->cmd_lock);
 206
 207        if (dev->EventBuffer->EventStatus & 0x80) {
 208                u8 nextWriteIndex =
 209                        (dev->EventQueueWriteIndex + 1) &
 210                        (EVENT_QUEUE_SIZE - 1);
 211                if (nextWriteIndex != dev->EventQueueReadIndex) {
 212                        dev->EventQueue[dev->EventQueueWriteIndex] =
 213                                *(dev->EventBuffer);
 214                        dev->EventQueueWriteIndex = nextWriteIndex;
 215                } else {
 216                        printk(KERN_ERR DEVICE_NAME ": event overflow\n");
 217                        dev->EventQueueOverflowCount += 1;
 218                        dev->EventQueueOverflowFlag = 1;
 219                }
 220                dev->EventBuffer->EventStatus &= ~0x80;
 221                tasklet_schedule(&dev->event_tasklet);
 222                rc = IRQ_HANDLED;
 223        }
 224
 225        while (i > 0) {
 226                i--;
 227                spin_lock(&dev->channel[i].state_lock);
 228                /* if (dev->channel[i].State>=KSSTATE_RUN) { */
 229                if (dev->channel[i].nextBuffer) {
 230                        if ((dev->channel[i].nextBuffer->
 231                             ngeneBuffer.SR.Flags & 0xC0) == 0x80) {
 232                                dev->channel[i].nextBuffer->
 233                                        ngeneBuffer.SR.Flags |= 0x40;
 234                                tasklet_schedule(
 235                                        &dev->channel[i].demux_tasklet);
 236                                rc = IRQ_HANDLED;
 237                        }
 238                }
 239                spin_unlock(&dev->channel[i].state_lock);
 240        }
 241
 242        /* Request might have been processed by a previous call. */
 243        return IRQ_HANDLED;
 244}
 245
 246/****************************************************************************/
 247/* nGene command interface **************************************************/
 248/****************************************************************************/
 249
 250static void dump_command_io(struct ngene *dev)
 251{
 252        u8 buf[8], *b;
 253
 254        ngcpyfrom(buf, HOST_TO_NGENE, 8);
 255        printk(KERN_ERR "host_to_ngene (%04x): %*ph\n", HOST_TO_NGENE, 8, buf);
 256
 257        ngcpyfrom(buf, NGENE_TO_HOST, 8);
 258        printk(KERN_ERR "ngene_to_host (%04x): %*ph\n", NGENE_TO_HOST, 8, buf);
 259
 260        b = dev->hosttongene;
 261        printk(KERN_ERR "dev->hosttongene (%p): %*ph\n", b, 8, b);
 262
 263        b = dev->ngenetohost;
 264        printk(KERN_ERR "dev->ngenetohost (%p): %*ph\n", b, 8, b);
 265}
 266
 267static int ngene_command_mutex(struct ngene *dev, struct ngene_command *com)
 268{
 269        int ret;
 270        u8 *tmpCmdDoneByte;
 271
 272        dev->cmd_done = 0;
 273
 274        if (com->cmd.hdr.Opcode == CMD_FWLOAD_PREPARE) {
 275                dev->BootFirmware = 1;
 276                dev->icounts = ngreadl(NGENE_INT_COUNTS);
 277                ngwritel(0, NGENE_COMMAND);
 278                ngwritel(0, NGENE_COMMAND_HI);
 279                ngwritel(0, NGENE_STATUS);
 280                ngwritel(0, NGENE_STATUS_HI);
 281                ngwritel(0, NGENE_EVENT);
 282                ngwritel(0, NGENE_EVENT_HI);
 283        } else if (com->cmd.hdr.Opcode == CMD_FWLOAD_FINISH) {
 284                u64 fwio = dev->PAFWInterfaceBuffer;
 285
 286                ngwritel(fwio & 0xffffffff, NGENE_COMMAND);
 287                ngwritel(fwio >> 32, NGENE_COMMAND_HI);
 288                ngwritel((fwio + 256) & 0xffffffff, NGENE_STATUS);
 289                ngwritel((fwio + 256) >> 32, NGENE_STATUS_HI);
 290                ngwritel((fwio + 512) & 0xffffffff, NGENE_EVENT);
 291                ngwritel((fwio + 512) >> 32, NGENE_EVENT_HI);
 292        }
 293
 294        memcpy(dev->FWInterfaceBuffer, com->cmd.raw8, com->in_len + 2);
 295
 296        if (dev->BootFirmware)
 297                ngcpyto(HOST_TO_NGENE, com->cmd.raw8, com->in_len + 2);
 298
 299        spin_lock_irq(&dev->cmd_lock);
 300        tmpCmdDoneByte = dev->ngenetohost + com->out_len;
 301        if (!com->out_len)
 302                tmpCmdDoneByte++;
 303        *tmpCmdDoneByte = 0;
 304        dev->ngenetohost[0] = 0;
 305        dev->ngenetohost[1] = 0;
 306        dev->CmdDoneByte = tmpCmdDoneByte;
 307        spin_unlock_irq(&dev->cmd_lock);
 308
 309        /* Notify 8051. */
 310        ngwritel(1, FORCE_INT);
 311
 312        ret = wait_event_timeout(dev->cmd_wq, dev->cmd_done == 1, 2 * HZ);
 313        if (!ret) {
 314                /*ngwritel(0, FORCE_NMI);*/
 315
 316                printk(KERN_ERR DEVICE_NAME
 317                       ": Command timeout cmd=%02x prev=%02x\n",
 318                       com->cmd.hdr.Opcode, dev->prev_cmd);
 319                dump_command_io(dev);
 320                return -1;
 321        }
 322        if (com->cmd.hdr.Opcode == CMD_FWLOAD_FINISH)
 323                dev->BootFirmware = 0;
 324
 325        dev->prev_cmd = com->cmd.hdr.Opcode;
 326
 327        if (!com->out_len)
 328                return 0;
 329
 330        memcpy(com->cmd.raw8, dev->ngenetohost, com->out_len);
 331
 332        return 0;
 333}
 334
 335int ngene_command(struct ngene *dev, struct ngene_command *com)
 336{
 337        int result;
 338
 339        mutex_lock(&dev->cmd_mutex);
 340        result = ngene_command_mutex(dev, com);
 341        mutex_unlock(&dev->cmd_mutex);
 342        return result;
 343}
 344
 345
 346static int ngene_command_load_firmware(struct ngene *dev,
 347                                       u8 *ngene_fw, u32 size)
 348{
 349#define FIRSTCHUNK (1024)
 350        u32 cleft;
 351        struct ngene_command com;
 352
 353        com.cmd.hdr.Opcode = CMD_FWLOAD_PREPARE;
 354        com.cmd.hdr.Length = 0;
 355        com.in_len = 0;
 356        com.out_len = 0;
 357
 358        ngene_command(dev, &com);
 359
 360        cleft = (size + 3) & ~3;
 361        if (cleft > FIRSTCHUNK) {
 362                ngcpyto(PROGRAM_SRAM + FIRSTCHUNK, ngene_fw + FIRSTCHUNK,
 363                        cleft - FIRSTCHUNK);
 364                cleft = FIRSTCHUNK;
 365        }
 366        ngcpyto(DATA_FIFO_AREA, ngene_fw, cleft);
 367
 368        memset(&com, 0, sizeof(struct ngene_command));
 369        com.cmd.hdr.Opcode = CMD_FWLOAD_FINISH;
 370        com.cmd.hdr.Length = 4;
 371        com.cmd.FWLoadFinish.Address = DATA_FIFO_AREA;
 372        com.cmd.FWLoadFinish.Length = (unsigned short)cleft;
 373        com.in_len = 4;
 374        com.out_len = 0;
 375
 376        return ngene_command(dev, &com);
 377}
 378
 379
 380static int ngene_command_config_buf(struct ngene *dev, u8 config)
 381{
 382        struct ngene_command com;
 383
 384        com.cmd.hdr.Opcode = CMD_CONFIGURE_BUFFER;
 385        com.cmd.hdr.Length = 1;
 386        com.cmd.ConfigureBuffers.config = config;
 387        com.in_len = 1;
 388        com.out_len = 0;
 389
 390        if (ngene_command(dev, &com) < 0)
 391                return -EIO;
 392        return 0;
 393}
 394
 395static int ngene_command_config_free_buf(struct ngene *dev, u8 *config)
 396{
 397        struct ngene_command com;
 398
 399        com.cmd.hdr.Opcode = CMD_CONFIGURE_FREE_BUFFER;
 400        com.cmd.hdr.Length = 6;
 401        memcpy(&com.cmd.ConfigureBuffers.config, config, 6);
 402        com.in_len = 6;
 403        com.out_len = 0;
 404
 405        if (ngene_command(dev, &com) < 0)
 406                return -EIO;
 407
 408        return 0;
 409}
 410
 411int ngene_command_gpio_set(struct ngene *dev, u8 select, u8 level)
 412{
 413        struct ngene_command com;
 414
 415        com.cmd.hdr.Opcode = CMD_SET_GPIO_PIN;
 416        com.cmd.hdr.Length = 1;
 417        com.cmd.SetGpioPin.select = select | (level << 7);
 418        com.in_len = 1;
 419        com.out_len = 0;
 420
 421        return ngene_command(dev, &com);
 422}
 423
 424
 425/*
 426 02000640 is sample on rising edge.
 427 02000740 is sample on falling edge.
 428 02000040 is ignore "valid" signal
 429
 430 0: FD_CTL1 Bit 7,6 must be 0,1
 431    7   disable(fw controlled)
 432    6   0-AUX,1-TS
 433    5   0-par,1-ser
 434    4   0-lsb/1-msb
 435    3,2 reserved
 436    1,0 0-no sync, 1-use ext. start, 2-use 0x47, 3-both
 437 1: FD_CTL2 has 3-valid must be hi, 2-use valid, 1-edge
 438 2: FD_STA is read-only. 0-sync
 439 3: FD_INSYNC is number of 47s to trigger "in sync".
 440 4: FD_OUTSYNC is number of 47s to trigger "out of sync".
 441 5: FD_MAXBYTE1 is low-order of bytes per packet.
 442 6: FD_MAXBYTE2 is high-order of bytes per packet.
 443 7: Top byte is unused.
 444*/
 445
 446/****************************************************************************/
 447
 448static u8 TSFeatureDecoderSetup[8 * 5] = {
 449        0x42, 0x00, 0x00, 0x02, 0x02, 0xbc, 0x00, 0x00,
 450        0x40, 0x06, 0x00, 0x02, 0x02, 0xbc, 0x00, 0x00, /* DRXH */
 451        0x71, 0x07, 0x00, 0x02, 0x02, 0xbc, 0x00, 0x00, /* DRXHser */
 452        0x72, 0x00, 0x00, 0x02, 0x02, 0xbc, 0x00, 0x00, /* S2ser */
 453        0x40, 0x07, 0x00, 0x02, 0x02, 0xbc, 0x00, 0x00, /* LGDT3303 */
 454};
 455
 456/* Set NGENE I2S Config to 16 bit packed */
 457static u8 I2SConfiguration[] = {
 458        0x00, 0x10, 0x00, 0x00,
 459        0x80, 0x10, 0x00, 0x00,
 460};
 461
 462static u8 SPDIFConfiguration[10] = {
 463        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
 464};
 465
 466/* Set NGENE I2S Config to transport stream compatible mode */
 467
 468static u8 TS_I2SConfiguration[4] = { 0x3E, 0x18, 0x00, 0x00 };
 469
 470static u8 TS_I2SOutConfiguration[4] = { 0x80, 0x04, 0x00, 0x00 };
 471
 472static u8 ITUDecoderSetup[4][16] = {
 473        {0x1c, 0x13, 0x01, 0x68, 0x3d, 0x90, 0x14, 0x20,  /* SDTV */
 474         0x00, 0x00, 0x01, 0xb0, 0x9c, 0x00, 0x00, 0x00},
 475        {0x9c, 0x03, 0x23, 0xC0, 0x60, 0x0E, 0x13, 0x00,
 476         0x00, 0x00, 0x00, 0x01, 0xB0, 0x00, 0x00, 0x00},
 477        {0x9f, 0x00, 0x23, 0xC0, 0x60, 0x0F, 0x13, 0x00,  /* HDTV 1080i50 */
 478         0x00, 0x00, 0x00, 0x01, 0xB0, 0x00, 0x00, 0x00},
 479        {0x9c, 0x01, 0x23, 0xC0, 0x60, 0x0E, 0x13, 0x00,  /* HDTV 1080i60 */
 480         0x00, 0x00, 0x00, 0x01, 0xB0, 0x00, 0x00, 0x00},
 481};
 482
 483/*
 484 * 50 48 60 gleich
 485 * 27p50 9f 00 22 80 42 69 18 ...
 486 * 27p60 93 00 22 80 82 69 1c ...
 487 */
 488
 489/* Maxbyte to 1144 (for raw data) */
 490static u8 ITUFeatureDecoderSetup[8] = {
 491        0x00, 0x00, 0x00, 0x00, 0x00, 0x78, 0x04, 0x00
 492};
 493
 494void FillTSBuffer(void *Buffer, int Length, u32 Flags)
 495{
 496        u32 *ptr = Buffer;
 497
 498        memset(Buffer, TS_FILLER, Length);
 499        while (Length > 0) {
 500                if (Flags & DF_SWAP32)
 501                        *ptr = 0x471FFF10;
 502                else
 503                        *ptr = 0x10FF1F47;
 504                ptr += (188 / 4);
 505                Length -= 188;
 506        }
 507}
 508
 509
 510static void flush_buffers(struct ngene_channel *chan)
 511{
 512        u8 val;
 513
 514        do {
 515                msleep(1);
 516                spin_lock_irq(&chan->state_lock);
 517                val = chan->nextBuffer->ngeneBuffer.SR.Flags & 0x80;
 518                spin_unlock_irq(&chan->state_lock);
 519        } while (val);
 520}
 521
 522static void clear_buffers(struct ngene_channel *chan)
 523{
 524        struct SBufferHeader *Cur = chan->nextBuffer;
 525
 526        do {
 527                memset(&Cur->ngeneBuffer.SR, 0, sizeof(Cur->ngeneBuffer.SR));
 528                if (chan->mode & NGENE_IO_TSOUT)
 529                        FillTSBuffer(Cur->Buffer1,
 530                                     chan->Capture1Length,
 531                                     chan->DataFormatFlags);
 532                Cur = Cur->Next;
 533        } while (Cur != chan->nextBuffer);
 534
 535        if (chan->mode & NGENE_IO_TSOUT) {
 536                chan->nextBuffer->ngeneBuffer.SR.DTOUpdate =
 537                        chan->AudioDTOValue;
 538                chan->AudioDTOUpdated = 0;
 539
 540                Cur = chan->TSIdleBuffer.Head;
 541
 542                do {
 543                        memset(&Cur->ngeneBuffer.SR, 0,
 544                               sizeof(Cur->ngeneBuffer.SR));
 545                        FillTSBuffer(Cur->Buffer1,
 546                                     chan->Capture1Length,
 547                                     chan->DataFormatFlags);
 548                        Cur = Cur->Next;
 549                } while (Cur != chan->TSIdleBuffer.Head);
 550        }
 551}
 552
 553static int ngene_command_stream_control(struct ngene *dev, u8 stream,
 554                                        u8 control, u8 mode, u8 flags)
 555{
 556        struct ngene_channel *chan = &dev->channel[stream];
 557        struct ngene_command com;
 558        u16 BsUVI = ((stream & 1) ? 0x9400 : 0x9300);
 559        u16 BsSDI = ((stream & 1) ? 0x9600 : 0x9500);
 560        u16 BsSPI = ((stream & 1) ? 0x9800 : 0x9700);
 561        u16 BsSDO = 0x9B00;
 562
 563        memset(&com, 0, sizeof(com));
 564        com.cmd.hdr.Opcode = CMD_CONTROL;
 565        com.cmd.hdr.Length = sizeof(struct FW_STREAM_CONTROL) - 2;
 566        com.cmd.StreamControl.Stream = stream | (control ? 8 : 0);
 567        if (chan->mode & NGENE_IO_TSOUT)
 568                com.cmd.StreamControl.Stream |= 0x07;
 569        com.cmd.StreamControl.Control = control |
 570                (flags & SFLAG_ORDER_LUMA_CHROMA);
 571        com.cmd.StreamControl.Mode = mode;
 572        com.in_len = sizeof(struct FW_STREAM_CONTROL);
 573        com.out_len = 0;
 574
 575        dprintk(KERN_INFO DEVICE_NAME
 576                ": Stream=%02x, Control=%02x, Mode=%02x\n",
 577                com.cmd.StreamControl.Stream, com.cmd.StreamControl.Control,
 578                com.cmd.StreamControl.Mode);
 579
 580        chan->Mode = mode;
 581
 582        if (!(control & 0x80)) {
 583                spin_lock_irq(&chan->state_lock);
 584                if (chan->State == KSSTATE_RUN) {
 585                        chan->State = KSSTATE_ACQUIRE;
 586                        chan->HWState = HWSTATE_STOP;
 587                        spin_unlock_irq(&chan->state_lock);
 588                        if (ngene_command(dev, &com) < 0)
 589                                return -1;
 590                        /* clear_buffers(chan); */
 591                        flush_buffers(chan);
 592                        return 0;
 593                }
 594                spin_unlock_irq(&chan->state_lock);
 595                return 0;
 596        }
 597
 598        if (mode & SMODE_AUDIO_CAPTURE) {
 599                com.cmd.StreamControl.CaptureBlockCount =
 600                        chan->Capture1Length / AUDIO_BLOCK_SIZE;
 601                com.cmd.StreamControl.Buffer_Address = chan->RingBuffer.PAHead;
 602        } else if (mode & SMODE_TRANSPORT_STREAM) {
 603                com.cmd.StreamControl.CaptureBlockCount =
 604                        chan->Capture1Length / TS_BLOCK_SIZE;
 605                com.cmd.StreamControl.MaxLinesPerField =
 606                        chan->Capture1Length / TS_BLOCK_SIZE;
 607                com.cmd.StreamControl.Buffer_Address =
 608                        chan->TSRingBuffer.PAHead;
 609                if (chan->mode & NGENE_IO_TSOUT) {
 610                        com.cmd.StreamControl.BytesPerVBILine =
 611                                chan->Capture1Length / TS_BLOCK_SIZE;
 612                        com.cmd.StreamControl.Stream |= 0x07;
 613                }
 614        } else {
 615                com.cmd.StreamControl.BytesPerVideoLine = chan->nBytesPerLine;
 616                com.cmd.StreamControl.MaxLinesPerField = chan->nLines;
 617                com.cmd.StreamControl.MinLinesPerField = 100;
 618                com.cmd.StreamControl.Buffer_Address = chan->RingBuffer.PAHead;
 619
 620                if (mode & SMODE_VBI_CAPTURE) {
 621                        com.cmd.StreamControl.MaxVBILinesPerField =
 622                                chan->nVBILines;
 623                        com.cmd.StreamControl.MinVBILinesPerField = 0;
 624                        com.cmd.StreamControl.BytesPerVBILine =
 625                                chan->nBytesPerVBILine;
 626                }
 627                if (flags & SFLAG_COLORBAR)
 628                        com.cmd.StreamControl.Stream |= 0x04;
 629        }
 630
 631        spin_lock_irq(&chan->state_lock);
 632        if (mode & SMODE_AUDIO_CAPTURE) {
 633                chan->nextBuffer = chan->RingBuffer.Head;
 634                if (mode & SMODE_AUDIO_SPDIF) {
 635                        com.cmd.StreamControl.SetupDataLen =
 636                                sizeof(SPDIFConfiguration);
 637                        com.cmd.StreamControl.SetupDataAddr = BsSPI;
 638                        memcpy(com.cmd.StreamControl.SetupData,
 639                               SPDIFConfiguration, sizeof(SPDIFConfiguration));
 640                } else {
 641                        com.cmd.StreamControl.SetupDataLen = 4;
 642                        com.cmd.StreamControl.SetupDataAddr = BsSDI;
 643                        memcpy(com.cmd.StreamControl.SetupData,
 644                               I2SConfiguration +
 645                               4 * dev->card_info->i2s[stream], 4);
 646                }
 647        } else if (mode & SMODE_TRANSPORT_STREAM) {
 648                chan->nextBuffer = chan->TSRingBuffer.Head;
 649                if (stream >= STREAM_AUDIOIN1) {
 650                        if (chan->mode & NGENE_IO_TSOUT) {
 651                                com.cmd.StreamControl.SetupDataLen =
 652                                        sizeof(TS_I2SOutConfiguration);
 653                                com.cmd.StreamControl.SetupDataAddr = BsSDO;
 654                                memcpy(com.cmd.StreamControl.SetupData,
 655                                       TS_I2SOutConfiguration,
 656                                       sizeof(TS_I2SOutConfiguration));
 657                        } else {
 658                                com.cmd.StreamControl.SetupDataLen =
 659                                        sizeof(TS_I2SConfiguration);
 660                                com.cmd.StreamControl.SetupDataAddr = BsSDI;
 661                                memcpy(com.cmd.StreamControl.SetupData,
 662                                       TS_I2SConfiguration,
 663                                       sizeof(TS_I2SConfiguration));
 664                        }
 665                } else {
 666                        com.cmd.StreamControl.SetupDataLen = 8;
 667                        com.cmd.StreamControl.SetupDataAddr = BsUVI + 0x10;
 668                        memcpy(com.cmd.StreamControl.SetupData,
 669                               TSFeatureDecoderSetup +
 670                               8 * dev->card_info->tsf[stream], 8);
 671                }
 672        } else {
 673                chan->nextBuffer = chan->RingBuffer.Head;
 674                com.cmd.StreamControl.SetupDataLen =
 675                        16 + sizeof(ITUFeatureDecoderSetup);
 676                com.cmd.StreamControl.SetupDataAddr = BsUVI;
 677                memcpy(com.cmd.StreamControl.SetupData,
 678                       ITUDecoderSetup[chan->itumode], 16);
 679                memcpy(com.cmd.StreamControl.SetupData + 16,
 680                       ITUFeatureDecoderSetup, sizeof(ITUFeatureDecoderSetup));
 681        }
 682        clear_buffers(chan);
 683        chan->State = KSSTATE_RUN;
 684        if (mode & SMODE_TRANSPORT_STREAM)
 685                chan->HWState = HWSTATE_RUN;
 686        else
 687                chan->HWState = HWSTATE_STARTUP;
 688        spin_unlock_irq(&chan->state_lock);
 689
 690        if (ngene_command(dev, &com) < 0)
 691                return -1;
 692
 693        return 0;
 694}
 695
 696void set_transfer(struct ngene_channel *chan, int state)
 697{
 698        u8 control = 0, mode = 0, flags = 0;
 699        struct ngene *dev = chan->dev;
 700        int ret;
 701
 702        /*
 703        printk(KERN_INFO DEVICE_NAME ": st %d\n", state);
 704        msleep(100);
 705        */
 706
 707        if (state) {
 708                if (chan->running) {
 709                        printk(KERN_INFO DEVICE_NAME ": already running\n");
 710                        return;
 711                }
 712        } else {
 713                if (!chan->running) {
 714                        printk(KERN_INFO DEVICE_NAME ": already stopped\n");
 715                        return;
 716                }
 717        }
 718
 719        if (dev->card_info->switch_ctrl)
 720                dev->card_info->switch_ctrl(chan, 1, state ^ 1);
 721
 722        if (state) {
 723                spin_lock_irq(&chan->state_lock);
 724
 725                /* printk(KERN_INFO DEVICE_NAME ": lock=%08x\n",
 726                          ngreadl(0x9310)); */
 727                dvb_ringbuffer_flush(&dev->tsout_rbuf);
 728                control = 0x80;
 729                if (chan->mode & (NGENE_IO_TSIN | NGENE_IO_TSOUT)) {
 730                        chan->Capture1Length = 512 * 188;
 731                        mode = SMODE_TRANSPORT_STREAM;
 732                }
 733                if (chan->mode & NGENE_IO_TSOUT) {
 734                        chan->pBufferExchange = tsout_exchange;
 735                        /* 0x66666666 = 50MHz *2^33 /250MHz */
 736                        chan->AudioDTOValue = 0x80000000;
 737                        chan->AudioDTOUpdated = 1;
 738                }
 739                if (chan->mode & NGENE_IO_TSIN)
 740                        chan->pBufferExchange = tsin_exchange;
 741                spin_unlock_irq(&chan->state_lock);
 742        }
 743                /* else printk(KERN_INFO DEVICE_NAME ": lock=%08x\n",
 744                           ngreadl(0x9310)); */
 745
 746        mutex_lock(&dev->stream_mutex);
 747        ret = ngene_command_stream_control(dev, chan->number,
 748                                           control, mode, flags);
 749        mutex_unlock(&dev->stream_mutex);
 750
 751        if (!ret)
 752                chan->running = state;
 753        else
 754                printk(KERN_ERR DEVICE_NAME ": set_transfer %d failed\n",
 755                       state);
 756        if (!state) {
 757                spin_lock_irq(&chan->state_lock);
 758                chan->pBufferExchange = NULL;
 759                dvb_ringbuffer_flush(&dev->tsout_rbuf);
 760                spin_unlock_irq(&chan->state_lock);
 761        }
 762}
 763
 764
 765/****************************************************************************/
 766/* nGene hardware init and release functions ********************************/
 767/****************************************************************************/
 768
 769static void free_ringbuffer(struct ngene *dev, struct SRingBufferDescriptor *rb)
 770{
 771        struct SBufferHeader *Cur = rb->Head;
 772        u32 j;
 773
 774        if (!Cur)
 775                return;
 776
 777        for (j = 0; j < rb->NumBuffers; j++, Cur = Cur->Next) {
 778                if (Cur->Buffer1)
 779                        pci_free_consistent(dev->pci_dev,
 780                                            rb->Buffer1Length,
 781                                            Cur->Buffer1,
 782                                            Cur->scList1->Address);
 783
 784                if (Cur->Buffer2)
 785                        pci_free_consistent(dev->pci_dev,
 786                                            rb->Buffer2Length,
 787                                            Cur->Buffer2,
 788                                            Cur->scList2->Address);
 789        }
 790
 791        if (rb->SCListMem)
 792                pci_free_consistent(dev->pci_dev, rb->SCListMemSize,
 793                                    rb->SCListMem, rb->PASCListMem);
 794
 795        pci_free_consistent(dev->pci_dev, rb->MemSize, rb->Head, rb->PAHead);
 796}
 797
 798static void free_idlebuffer(struct ngene *dev,
 799                     struct SRingBufferDescriptor *rb,
 800                     struct SRingBufferDescriptor *tb)
 801{
 802        int j;
 803        struct SBufferHeader *Cur = tb->Head;
 804
 805        if (!rb->Head)
 806                return;
 807        free_ringbuffer(dev, rb);
 808        for (j = 0; j < tb->NumBuffers; j++, Cur = Cur->Next) {
 809                Cur->Buffer2 = NULL;
 810                Cur->scList2 = NULL;
 811                Cur->ngeneBuffer.Address_of_first_entry_2 = 0;
 812                Cur->ngeneBuffer.Number_of_entries_2 = 0;
 813        }
 814}
 815
 816static void free_common_buffers(struct ngene *dev)
 817{
 818        u32 i;
 819        struct ngene_channel *chan;
 820
 821        for (i = STREAM_VIDEOIN1; i < MAX_STREAM; i++) {
 822                chan = &dev->channel[i];
 823                free_idlebuffer(dev, &chan->TSIdleBuffer, &chan->TSRingBuffer);
 824                free_ringbuffer(dev, &chan->RingBuffer);
 825                free_ringbuffer(dev, &chan->TSRingBuffer);
 826        }
 827
 828        if (dev->OverflowBuffer)
 829                pci_free_consistent(dev->pci_dev,
 830                                    OVERFLOW_BUFFER_SIZE,
 831                                    dev->OverflowBuffer, dev->PAOverflowBuffer);
 832
 833        if (dev->FWInterfaceBuffer)
 834                pci_free_consistent(dev->pci_dev,
 835                                    4096,
 836                                    dev->FWInterfaceBuffer,
 837                                    dev->PAFWInterfaceBuffer);
 838}
 839
 840/****************************************************************************/
 841/* Ring buffer handling *****************************************************/
 842/****************************************************************************/
 843
 844static int create_ring_buffer(struct pci_dev *pci_dev,
 845                       struct SRingBufferDescriptor *descr, u32 NumBuffers)
 846{
 847        dma_addr_t tmp;
 848        struct SBufferHeader *Head;
 849        u32 i;
 850        u32 MemSize = SIZEOF_SBufferHeader * NumBuffers;
 851        u64 PARingBufferHead;
 852        u64 PARingBufferCur;
 853        u64 PARingBufferNext;
 854        struct SBufferHeader *Cur, *Next;
 855
 856        descr->Head = NULL;
 857        descr->MemSize = 0;
 858        descr->PAHead = 0;
 859        descr->NumBuffers = 0;
 860
 861        if (MemSize < 4096)
 862                MemSize = 4096;
 863
 864        Head = pci_alloc_consistent(pci_dev, MemSize, &tmp);
 865        PARingBufferHead = tmp;
 866
 867        if (!Head)
 868                return -ENOMEM;
 869
 870        memset(Head, 0, MemSize);
 871
 872        PARingBufferCur = PARingBufferHead;
 873        Cur = Head;
 874
 875        for (i = 0; i < NumBuffers - 1; i++) {
 876                Next = (struct SBufferHeader *)
 877                        (((u8 *) Cur) + SIZEOF_SBufferHeader);
 878                PARingBufferNext = PARingBufferCur + SIZEOF_SBufferHeader;
 879                Cur->Next = Next;
 880                Cur->ngeneBuffer.Next = PARingBufferNext;
 881                Cur = Next;
 882                PARingBufferCur = PARingBufferNext;
 883        }
 884        /* Last Buffer points back to first one */
 885        Cur->Next = Head;
 886        Cur->ngeneBuffer.Next = PARingBufferHead;
 887
 888        descr->Head       = Head;
 889        descr->MemSize    = MemSize;
 890        descr->PAHead     = PARingBufferHead;
 891        descr->NumBuffers = NumBuffers;
 892
 893        return 0;
 894}
 895
 896static int AllocateRingBuffers(struct pci_dev *pci_dev,
 897                               dma_addr_t of,
 898                               struct SRingBufferDescriptor *pRingBuffer,
 899                               u32 Buffer1Length, u32 Buffer2Length)
 900{
 901        dma_addr_t tmp;
 902        u32 i, j;
 903        u32 SCListMemSize = pRingBuffer->NumBuffers
 904                * ((Buffer2Length != 0) ? (NUM_SCATTER_GATHER_ENTRIES * 2) :
 905                    NUM_SCATTER_GATHER_ENTRIES)
 906                * sizeof(struct HW_SCATTER_GATHER_ELEMENT);
 907
 908        u64 PASCListMem;
 909        struct HW_SCATTER_GATHER_ELEMENT *SCListEntry;
 910        u64 PASCListEntry;
 911        struct SBufferHeader *Cur;
 912        void *SCListMem;
 913
 914        if (SCListMemSize < 4096)
 915                SCListMemSize = 4096;
 916
 917        SCListMem = pci_alloc_consistent(pci_dev, SCListMemSize, &tmp);
 918
 919        PASCListMem = tmp;
 920        if (SCListMem == NULL)
 921                return -ENOMEM;
 922
 923        memset(SCListMem, 0, SCListMemSize);
 924
 925        pRingBuffer->SCListMem = SCListMem;
 926        pRingBuffer->PASCListMem = PASCListMem;
 927        pRingBuffer->SCListMemSize = SCListMemSize;
 928        pRingBuffer->Buffer1Length = Buffer1Length;
 929        pRingBuffer->Buffer2Length = Buffer2Length;
 930
 931        SCListEntry = SCListMem;
 932        PASCListEntry = PASCListMem;
 933        Cur = pRingBuffer->Head;
 934
 935        for (i = 0; i < pRingBuffer->NumBuffers; i += 1, Cur = Cur->Next) {
 936                u64 PABuffer;
 937
 938                void *Buffer = pci_alloc_consistent(pci_dev, Buffer1Length,
 939                                                    &tmp);
 940                PABuffer = tmp;
 941
 942                if (Buffer == NULL)
 943                        return -ENOMEM;
 944
 945                Cur->Buffer1 = Buffer;
 946
 947                SCListEntry->Address = PABuffer;
 948                SCListEntry->Length  = Buffer1Length;
 949
 950                Cur->scList1 = SCListEntry;
 951                Cur->ngeneBuffer.Address_of_first_entry_1 = PASCListEntry;
 952                Cur->ngeneBuffer.Number_of_entries_1 =
 953                        NUM_SCATTER_GATHER_ENTRIES;
 954
 955                SCListEntry += 1;
 956                PASCListEntry += sizeof(struct HW_SCATTER_GATHER_ELEMENT);
 957
 958#if NUM_SCATTER_GATHER_ENTRIES > 1
 959                for (j = 0; j < NUM_SCATTER_GATHER_ENTRIES - 1; j += 1) {
 960                        SCListEntry->Address = of;
 961                        SCListEntry->Length = OVERFLOW_BUFFER_SIZE;
 962                        SCListEntry += 1;
 963                        PASCListEntry +=
 964                                sizeof(struct HW_SCATTER_GATHER_ELEMENT);
 965                }
 966#endif
 967
 968                if (!Buffer2Length)
 969                        continue;
 970
 971                Buffer = pci_alloc_consistent(pci_dev, Buffer2Length, &tmp);
 972                PABuffer = tmp;
 973
 974                if (Buffer == NULL)
 975                        return -ENOMEM;
 976
 977                Cur->Buffer2 = Buffer;
 978
 979                SCListEntry->Address = PABuffer;
 980                SCListEntry->Length  = Buffer2Length;
 981
 982                Cur->scList2 = SCListEntry;
 983                Cur->ngeneBuffer.Address_of_first_entry_2 = PASCListEntry;
 984                Cur->ngeneBuffer.Number_of_entries_2 =
 985                        NUM_SCATTER_GATHER_ENTRIES;
 986
 987                SCListEntry   += 1;
 988                PASCListEntry += sizeof(struct HW_SCATTER_GATHER_ELEMENT);
 989
 990#if NUM_SCATTER_GATHER_ENTRIES > 1
 991                for (j = 0; j < NUM_SCATTER_GATHER_ENTRIES - 1; j++) {
 992                        SCListEntry->Address = of;
 993                        SCListEntry->Length = OVERFLOW_BUFFER_SIZE;
 994                        SCListEntry += 1;
 995                        PASCListEntry +=
 996                                sizeof(struct HW_SCATTER_GATHER_ELEMENT);
 997                }
 998#endif
 999
1000        }
1001
1002        return 0;
1003}
1004
1005static int FillTSIdleBuffer(struct SRingBufferDescriptor *pIdleBuffer,
1006                            struct SRingBufferDescriptor *pRingBuffer)
1007{
1008        /* Copy pointer to scatter gather list in TSRingbuffer
1009           structure for buffer 2
1010           Load number of buffer
1011        */
1012        u32 n = pRingBuffer->NumBuffers;
1013
1014        /* Point to first buffer entry */
1015        struct SBufferHeader *Cur = pRingBuffer->Head;
1016        int i;
1017        /* Loop thru all buffer and set Buffer 2 pointers to TSIdlebuffer */
1018        for (i = 0; i < n; i++) {
1019                Cur->Buffer2 = pIdleBuffer->Head->Buffer1;
1020                Cur->scList2 = pIdleBuffer->Head->scList1;
1021                Cur->ngeneBuffer.Address_of_first_entry_2 =
1022                        pIdleBuffer->Head->ngeneBuffer.
1023                        Address_of_first_entry_1;
1024                Cur->ngeneBuffer.Number_of_entries_2 =
1025                        pIdleBuffer->Head->ngeneBuffer.Number_of_entries_1;
1026                Cur = Cur->Next;
1027        }
1028        return 0;
1029}
1030
1031static u32 RingBufferSizes[MAX_STREAM] = {
1032        RING_SIZE_VIDEO,
1033        RING_SIZE_VIDEO,
1034        RING_SIZE_AUDIO,
1035        RING_SIZE_AUDIO,
1036        RING_SIZE_AUDIO,
1037};
1038
1039static u32 Buffer1Sizes[MAX_STREAM] = {
1040        MAX_VIDEO_BUFFER_SIZE,
1041        MAX_VIDEO_BUFFER_SIZE,
1042        MAX_AUDIO_BUFFER_SIZE,
1043        MAX_AUDIO_BUFFER_SIZE,
1044        MAX_AUDIO_BUFFER_SIZE
1045};
1046
1047static u32 Buffer2Sizes[MAX_STREAM] = {
1048        MAX_VBI_BUFFER_SIZE,
1049        MAX_VBI_BUFFER_SIZE,
1050        0,
1051        0,
1052        0
1053};
1054
1055
1056static int AllocCommonBuffers(struct ngene *dev)
1057{
1058        int status = 0, i;
1059
1060        dev->FWInterfaceBuffer = pci_alloc_consistent(dev->pci_dev, 4096,
1061                                                     &dev->PAFWInterfaceBuffer);
1062        if (!dev->FWInterfaceBuffer)
1063                return -ENOMEM;
1064        dev->hosttongene = dev->FWInterfaceBuffer;
1065        dev->ngenetohost = dev->FWInterfaceBuffer + 256;
1066        dev->EventBuffer = dev->FWInterfaceBuffer + 512;
1067
1068        dev->OverflowBuffer = pci_zalloc_consistent(dev->pci_dev,
1069                                                    OVERFLOW_BUFFER_SIZE,
1070                                                    &dev->PAOverflowBuffer);
1071        if (!dev->OverflowBuffer)
1072                return -ENOMEM;
1073
1074        for (i = STREAM_VIDEOIN1; i < MAX_STREAM; i++) {
1075                int type = dev->card_info->io_type[i];
1076
1077                dev->channel[i].State = KSSTATE_STOP;
1078
1079                if (type & (NGENE_IO_TV | NGENE_IO_HDTV | NGENE_IO_AIN)) {
1080                        status = create_ring_buffer(dev->pci_dev,
1081                                                    &dev->channel[i].RingBuffer,
1082                                                    RingBufferSizes[i]);
1083                        if (status < 0)
1084                                break;
1085
1086                        if (type & (NGENE_IO_TV | NGENE_IO_AIN)) {
1087                                status = AllocateRingBuffers(dev->pci_dev,
1088                                                             dev->
1089                                                             PAOverflowBuffer,
1090                                                             &dev->channel[i].
1091                                                             RingBuffer,
1092                                                             Buffer1Sizes[i],
1093                                                             Buffer2Sizes[i]);
1094                                if (status < 0)
1095                                        break;
1096                        } else if (type & NGENE_IO_HDTV) {
1097                                status = AllocateRingBuffers(dev->pci_dev,
1098                                                             dev->
1099                                                             PAOverflowBuffer,
1100                                                             &dev->channel[i].
1101                                                             RingBuffer,
1102                                                           MAX_HDTV_BUFFER_SIZE,
1103                                                             0);
1104                                if (status < 0)
1105                                        break;
1106                        }
1107                }
1108
1109                if (type & (NGENE_IO_TSIN | NGENE_IO_TSOUT)) {
1110
1111                        status = create_ring_buffer(dev->pci_dev,
1112                                                    &dev->channel[i].
1113                                                    TSRingBuffer, RING_SIZE_TS);
1114                        if (status < 0)
1115                                break;
1116
1117                        status = AllocateRingBuffers(dev->pci_dev,
1118                                                     dev->PAOverflowBuffer,
1119                                                     &dev->channel[i].
1120                                                     TSRingBuffer,
1121                                                     MAX_TS_BUFFER_SIZE, 0);
1122                        if (status)
1123                                break;
1124                }
1125
1126                if (type & NGENE_IO_TSOUT) {
1127                        status = create_ring_buffer(dev->pci_dev,
1128                                                    &dev->channel[i].
1129                                                    TSIdleBuffer, 1);
1130                        if (status < 0)
1131                                break;
1132                        status = AllocateRingBuffers(dev->pci_dev,
1133                                                     dev->PAOverflowBuffer,
1134                                                     &dev->channel[i].
1135                                                     TSIdleBuffer,
1136                                                     MAX_TS_BUFFER_SIZE, 0);
1137                        if (status)
1138                                break;
1139                        FillTSIdleBuffer(&dev->channel[i].TSIdleBuffer,
1140                                         &dev->channel[i].TSRingBuffer);
1141                }
1142        }
1143        return status;
1144}
1145
1146static void ngene_release_buffers(struct ngene *dev)
1147{
1148        if (dev->iomem)
1149                iounmap(dev->iomem);
1150        free_common_buffers(dev);
1151        vfree(dev->tsout_buf);
1152        vfree(dev->tsin_buf);
1153        vfree(dev->ain_buf);
1154        vfree(dev->vin_buf);
1155        vfree(dev);
1156}
1157
1158static int ngene_get_buffers(struct ngene *dev)
1159{
1160        if (AllocCommonBuffers(dev))
1161                return -ENOMEM;
1162        if (dev->card_info->io_type[4] & NGENE_IO_TSOUT) {
1163                dev->tsout_buf = vmalloc(TSOUT_BUF_SIZE);
1164                if (!dev->tsout_buf)
1165                        return -ENOMEM;
1166                dvb_ringbuffer_init(&dev->tsout_rbuf,
1167                                    dev->tsout_buf, TSOUT_BUF_SIZE);
1168        }
1169        if (dev->card_info->io_type[2]&NGENE_IO_TSIN) {
1170                dev->tsin_buf = vmalloc(TSIN_BUF_SIZE);
1171                if (!dev->tsin_buf)
1172                        return -ENOMEM;
1173                dvb_ringbuffer_init(&dev->tsin_rbuf,
1174                                    dev->tsin_buf, TSIN_BUF_SIZE);
1175        }
1176        if (dev->card_info->io_type[2] & NGENE_IO_AIN) {
1177                dev->ain_buf = vmalloc(AIN_BUF_SIZE);
1178                if (!dev->ain_buf)
1179                        return -ENOMEM;
1180                dvb_ringbuffer_init(&dev->ain_rbuf, dev->ain_buf, AIN_BUF_SIZE);
1181        }
1182        if (dev->card_info->io_type[0] & NGENE_IO_HDTV) {
1183                dev->vin_buf = vmalloc(VIN_BUF_SIZE);
1184                if (!dev->vin_buf)
1185                        return -ENOMEM;
1186                dvb_ringbuffer_init(&dev->vin_rbuf, dev->vin_buf, VIN_BUF_SIZE);
1187        }
1188        dev->iomem = ioremap(pci_resource_start(dev->pci_dev, 0),
1189                             pci_resource_len(dev->pci_dev, 0));
1190        if (!dev->iomem)
1191                return -ENOMEM;
1192
1193        return 0;
1194}
1195
1196static void ngene_init(struct ngene *dev)
1197{
1198        int i;
1199
1200        tasklet_init(&dev->event_tasklet, event_tasklet, (unsigned long)dev);
1201
1202        memset_io(dev->iomem + 0xc000, 0x00, 0x220);
1203        memset_io(dev->iomem + 0xc400, 0x00, 0x100);
1204
1205        for (i = 0; i < MAX_STREAM; i++) {
1206                dev->channel[i].dev = dev;
1207                dev->channel[i].number = i;
1208        }
1209
1210        dev->fw_interface_version = 0;
1211
1212        ngwritel(0, NGENE_INT_ENABLE);
1213
1214        dev->icounts = ngreadl(NGENE_INT_COUNTS);
1215
1216        dev->device_version = ngreadl(DEV_VER) & 0x0f;
1217        printk(KERN_INFO DEVICE_NAME ": Device version %d\n",
1218               dev->device_version);
1219}
1220
1221static int ngene_load_firm(struct ngene *dev)
1222{
1223        u32 size;
1224        const struct firmware *fw = NULL;
1225        u8 *ngene_fw;
1226        char *fw_name;
1227        int err, version;
1228
1229        version = dev->card_info->fw_version;
1230
1231        switch (version) {
1232        default:
1233        case 15:
1234                version = 15;
1235                size = 23466;
1236                fw_name = "ngene_15.fw";
1237                dev->cmd_timeout_workaround = true;
1238                break;
1239        case 16:
1240                size = 23498;
1241                fw_name = "ngene_16.fw";
1242                dev->cmd_timeout_workaround = true;
1243                break;
1244        case 17:
1245                size = 24446;
1246                fw_name = "ngene_17.fw";
1247                dev->cmd_timeout_workaround = true;
1248                break;
1249        case 18:
1250                size = 0;
1251                fw_name = "ngene_18.fw";
1252                break;
1253        }
1254
1255        if (request_firmware(&fw, fw_name, &dev->pci_dev->dev) < 0) {
1256                printk(KERN_ERR DEVICE_NAME
1257                        ": Could not load firmware file %s.\n", fw_name);
1258                printk(KERN_INFO DEVICE_NAME
1259                        ": Copy %s to your hotplug directory!\n", fw_name);
1260                return -1;
1261        }
1262        if (size == 0)
1263                size = fw->size;
1264        if (size != fw->size) {
1265                printk(KERN_ERR DEVICE_NAME
1266                        ": Firmware %s has invalid size!", fw_name);
1267                err = -1;
1268        } else {
1269                printk(KERN_INFO DEVICE_NAME
1270                        ": Loading firmware file %s.\n", fw_name);
1271                ngene_fw = (u8 *) fw->data;
1272                err = ngene_command_load_firmware(dev, ngene_fw, size);
1273        }
1274
1275        release_firmware(fw);
1276
1277        return err;
1278}
1279
1280static void ngene_stop(struct ngene *dev)
1281{
1282        mutex_destroy(&dev->cmd_mutex);
1283        i2c_del_adapter(&(dev->channel[0].i2c_adapter));
1284        i2c_del_adapter(&(dev->channel[1].i2c_adapter));
1285        ngwritel(0, NGENE_INT_ENABLE);
1286        ngwritel(0, NGENE_COMMAND);
1287        ngwritel(0, NGENE_COMMAND_HI);
1288        ngwritel(0, NGENE_STATUS);
1289        ngwritel(0, NGENE_STATUS_HI);
1290        ngwritel(0, NGENE_EVENT);
1291        ngwritel(0, NGENE_EVENT_HI);
1292        free_irq(dev->pci_dev->irq, dev);
1293#ifdef CONFIG_PCI_MSI
1294        if (dev->msi_enabled)
1295                pci_disable_msi(dev->pci_dev);
1296#endif
1297}
1298
1299static int ngene_buffer_config(struct ngene *dev)
1300{
1301        int stat;
1302
1303        if (dev->card_info->fw_version >= 17) {
1304                u8 tsin12_config[6]   = { 0x60, 0x60, 0x00, 0x00, 0x00, 0x00 };
1305                u8 tsin1234_config[6] = { 0x30, 0x30, 0x00, 0x30, 0x30, 0x00 };
1306                u8 tsio1235_config[6] = { 0x30, 0x30, 0x00, 0x28, 0x00, 0x38 };
1307                u8 *bconf = tsin12_config;
1308
1309                if (dev->card_info->io_type[2]&NGENE_IO_TSIN &&
1310                    dev->card_info->io_type[3]&NGENE_IO_TSIN) {
1311                        bconf = tsin1234_config;
1312                        if (dev->card_info->io_type[4]&NGENE_IO_TSOUT &&
1313                            dev->ci.en)
1314                                bconf = tsio1235_config;
1315                }
1316                stat = ngene_command_config_free_buf(dev, bconf);
1317        } else {
1318                int bconf = BUFFER_CONFIG_4422;
1319
1320                if (dev->card_info->io_type[3] == NGENE_IO_TSIN)
1321                        bconf = BUFFER_CONFIG_3333;
1322                stat = ngene_command_config_buf(dev, bconf);
1323        }
1324        return stat;
1325}
1326
1327
1328static int ngene_start(struct ngene *dev)
1329{
1330        int stat;
1331        int i;
1332
1333        pci_set_master(dev->pci_dev);
1334        ngene_init(dev);
1335
1336        stat = request_irq(dev->pci_dev->irq, irq_handler,
1337                           IRQF_SHARED, "nGene",
1338                           (void *)dev);
1339        if (stat < 0)
1340                return stat;
1341
1342        init_waitqueue_head(&dev->cmd_wq);
1343        init_waitqueue_head(&dev->tx_wq);
1344        init_waitqueue_head(&dev->rx_wq);
1345        mutex_init(&dev->cmd_mutex);
1346        mutex_init(&dev->stream_mutex);
1347        sema_init(&dev->pll_mutex, 1);
1348        mutex_init(&dev->i2c_switch_mutex);
1349        spin_lock_init(&dev->cmd_lock);
1350        for (i = 0; i < MAX_STREAM; i++)
1351                spin_lock_init(&dev->channel[i].state_lock);
1352        ngwritel(1, TIMESTAMPS);
1353
1354        ngwritel(1, NGENE_INT_ENABLE);
1355
1356        stat = ngene_load_firm(dev);
1357        if (stat < 0)
1358                goto fail;
1359
1360#ifdef CONFIG_PCI_MSI
1361        /* enable MSI if kernel and card support it */
1362        if (pci_msi_enabled() && dev->card_info->msi_supported) {
1363                unsigned long flags;
1364
1365                ngwritel(0, NGENE_INT_ENABLE);
1366                free_irq(dev->pci_dev->irq, dev);
1367                stat = pci_enable_msi(dev->pci_dev);
1368                if (stat) {
1369                        printk(KERN_INFO DEVICE_NAME
1370                                ": MSI not available\n");
1371                        flags = IRQF_SHARED;
1372                } else {
1373                        flags = 0;
1374                        dev->msi_enabled = true;
1375                }
1376                stat = request_irq(dev->pci_dev->irq, irq_handler,
1377                                        flags, "nGene", dev);
1378                if (stat < 0)
1379                        goto fail2;
1380                ngwritel(1, NGENE_INT_ENABLE);
1381        }
1382#endif
1383
1384        stat = ngene_i2c_init(dev, 0);
1385        if (stat < 0)
1386                goto fail;
1387
1388        stat = ngene_i2c_init(dev, 1);
1389        if (stat < 0)
1390                goto fail;
1391
1392        return 0;
1393
1394fail:
1395        ngwritel(0, NGENE_INT_ENABLE);
1396        free_irq(dev->pci_dev->irq, dev);
1397#ifdef CONFIG_PCI_MSI
1398fail2:
1399        if (dev->msi_enabled)
1400                pci_disable_msi(dev->pci_dev);
1401#endif
1402        return stat;
1403}
1404
1405/****************************************************************************/
1406/****************************************************************************/
1407/****************************************************************************/
1408
1409static void release_channel(struct ngene_channel *chan)
1410{
1411        struct dvb_demux *dvbdemux = &chan->demux;
1412        struct ngene *dev = chan->dev;
1413
1414        if (chan->running)
1415                set_transfer(chan, 0);
1416
1417        tasklet_kill(&chan->demux_tasklet);
1418
1419        if (chan->ci_dev) {
1420                dvb_unregister_device(chan->ci_dev);
1421                chan->ci_dev = NULL;
1422        }
1423
1424        if (chan->fe2)
1425                dvb_unregister_frontend(chan->fe2);
1426
1427        if (chan->fe) {
1428                dvb_unregister_frontend(chan->fe);
1429                dvb_frontend_detach(chan->fe);
1430                chan->fe = NULL;
1431        }
1432
1433        if (chan->has_demux) {
1434                dvb_net_release(&chan->dvbnet);
1435                dvbdemux->dmx.close(&dvbdemux->dmx);
1436                dvbdemux->dmx.remove_frontend(&dvbdemux->dmx,
1437                                              &chan->hw_frontend);
1438                dvbdemux->dmx.remove_frontend(&dvbdemux->dmx,
1439                                              &chan->mem_frontend);
1440                dvb_dmxdev_release(&chan->dmxdev);
1441                dvb_dmx_release(&chan->demux);
1442                chan->has_demux = false;
1443        }
1444
1445        if (chan->has_adapter) {
1446                dvb_unregister_adapter(&dev->adapter[chan->number]);
1447                chan->has_adapter = false;
1448        }
1449}
1450
1451static int init_channel(struct ngene_channel *chan)
1452{
1453        int ret = 0, nr = chan->number;
1454        struct dvb_adapter *adapter = NULL;
1455        struct dvb_demux *dvbdemux = &chan->demux;
1456        struct ngene *dev = chan->dev;
1457        struct ngene_info *ni = dev->card_info;
1458        int io = ni->io_type[nr];
1459
1460        tasklet_init(&chan->demux_tasklet, demux_tasklet, (unsigned long)chan);
1461        chan->users = 0;
1462        chan->type = io;
1463        chan->mode = chan->type;        /* for now only one mode */
1464
1465        if (io & NGENE_IO_TSIN) {
1466                chan->fe = NULL;
1467                if (ni->demod_attach[nr]) {
1468                        ret = ni->demod_attach[nr](chan);
1469                        if (ret < 0)
1470                                goto err;
1471                }
1472                if (chan->fe && ni->tuner_attach[nr]) {
1473                        ret = ni->tuner_attach[nr](chan);
1474                        if (ret < 0)
1475                                goto err;
1476                }
1477        }
1478
1479        if (!dev->ci.en && (io & NGENE_IO_TSOUT))
1480                return 0;
1481
1482        if (io & (NGENE_IO_TSIN | NGENE_IO_TSOUT)) {
1483                if (nr >= STREAM_AUDIOIN1)
1484                        chan->DataFormatFlags = DF_SWAP32;
1485
1486                if (nr == 0 || !one_adapter || dev->first_adapter == NULL) {
1487                        adapter = &dev->adapter[nr];
1488                        ret = dvb_register_adapter(adapter, "nGene",
1489                                                   THIS_MODULE,
1490                                                   &chan->dev->pci_dev->dev,
1491                                                   adapter_nr);
1492                        if (ret < 0)
1493                                goto err;
1494                        if (dev->first_adapter == NULL)
1495                                dev->first_adapter = adapter;
1496                        chan->has_adapter = true;
1497                } else
1498                        adapter = dev->first_adapter;
1499        }
1500
1501        if (dev->ci.en && (io & NGENE_IO_TSOUT)) {
1502                dvb_ca_en50221_init(adapter, dev->ci.en, 0, 1);
1503                set_transfer(chan, 1);
1504                chan->dev->channel[2].DataFormatFlags = DF_SWAP32;
1505                set_transfer(&chan->dev->channel[2], 1);
1506                dvb_register_device(adapter, &chan->ci_dev,
1507                                    &ngene_dvbdev_ci, (void *) chan,
1508                                    DVB_DEVICE_SEC, 0);
1509                if (!chan->ci_dev)
1510                        goto err;
1511        }
1512
1513        if (chan->fe) {
1514                if (dvb_register_frontend(adapter, chan->fe) < 0)
1515                        goto err;
1516                chan->has_demux = true;
1517        }
1518        if (chan->fe2) {
1519                if (dvb_register_frontend(adapter, chan->fe2) < 0)
1520                        goto err;
1521                if (chan->fe) {
1522                        chan->fe2->tuner_priv = chan->fe->tuner_priv;
1523                        memcpy(&chan->fe2->ops.tuner_ops,
1524                               &chan->fe->ops.tuner_ops,
1525                               sizeof(struct dvb_tuner_ops));
1526                }
1527        }
1528
1529        if (chan->has_demux) {
1530                ret = my_dvb_dmx_ts_card_init(dvbdemux, "SW demux",
1531                                              ngene_start_feed,
1532                                              ngene_stop_feed, chan);
1533                ret = my_dvb_dmxdev_ts_card_init(&chan->dmxdev, &chan->demux,
1534                                                 &chan->hw_frontend,
1535                                                 &chan->mem_frontend, adapter);
1536                ret = dvb_net_init(adapter, &chan->dvbnet, &chan->demux.dmx);
1537        }
1538
1539        return ret;
1540
1541err:
1542        if (chan->fe) {
1543                dvb_frontend_detach(chan->fe);
1544                chan->fe = NULL;
1545        }
1546        release_channel(chan);
1547        return 0;
1548}
1549
1550static int init_channels(struct ngene *dev)
1551{
1552        int i, j;
1553
1554        for (i = 0; i < MAX_STREAM; i++) {
1555                dev->channel[i].number = i;
1556                if (init_channel(&dev->channel[i]) < 0) {
1557                        for (j = i - 1; j >= 0; j--)
1558                                release_channel(&dev->channel[j]);
1559                        return -1;
1560                }
1561        }
1562        return 0;
1563}
1564
1565static struct cxd2099_cfg cxd_cfg = {
1566        .bitrate = 62000,
1567        .adr = 0x40,
1568        .polarity = 0,
1569        .clock_mode = 0,
1570};
1571
1572static void cxd_attach(struct ngene *dev)
1573{
1574        struct ngene_ci *ci = &dev->ci;
1575
1576        ci->en = cxd2099_attach(&cxd_cfg, dev, &dev->channel[0].i2c_adapter);
1577        ci->dev = dev;
1578        return;
1579}
1580
1581static void cxd_detach(struct ngene *dev)
1582{
1583        struct ngene_ci *ci = &dev->ci;
1584
1585        dvb_ca_en50221_release(ci->en);
1586        kfree(ci->en);
1587        ci->en = NULL;
1588}
1589
1590/***********************************/
1591/* workaround for shutdown failure */
1592/***********************************/
1593
1594static void ngene_unlink(struct ngene *dev)
1595{
1596        struct ngene_command com;
1597
1598        com.cmd.hdr.Opcode = CMD_MEM_WRITE;
1599        com.cmd.hdr.Length = 3;
1600        com.cmd.MemoryWrite.address = 0x910c;
1601        com.cmd.MemoryWrite.data = 0xff;
1602        com.in_len = 3;
1603        com.out_len = 1;
1604
1605        mutex_lock(&dev->cmd_mutex);
1606        ngwritel(0, NGENE_INT_ENABLE);
1607        ngene_command_mutex(dev, &com);
1608        mutex_unlock(&dev->cmd_mutex);
1609}
1610
1611void ngene_shutdown(struct pci_dev *pdev)
1612{
1613        struct ngene *dev = pci_get_drvdata(pdev);
1614
1615        if (!dev || !shutdown_workaround)
1616                return;
1617
1618        printk(KERN_INFO DEVICE_NAME ": shutdown workaround...\n");
1619        ngene_unlink(dev);
1620        pci_disable_device(pdev);
1621}
1622
1623/****************************************************************************/
1624/* device probe/remove calls ************************************************/
1625/****************************************************************************/
1626
1627void ngene_remove(struct pci_dev *pdev)
1628{
1629        struct ngene *dev = pci_get_drvdata(pdev);
1630        int i;
1631
1632        tasklet_kill(&dev->event_tasklet);
1633        for (i = MAX_STREAM - 1; i >= 0; i--)
1634                release_channel(&dev->channel[i]);
1635        if (dev->ci.en)
1636                cxd_detach(dev);
1637        ngene_stop(dev);
1638        ngene_release_buffers(dev);
1639        pci_disable_device(pdev);
1640}
1641
1642int ngene_probe(struct pci_dev *pci_dev, const struct pci_device_id *id)
1643{
1644        struct ngene *dev;
1645        int stat = 0;
1646
1647        if (pci_enable_device(pci_dev) < 0)
1648                return -ENODEV;
1649
1650        dev = vzalloc(sizeof(struct ngene));
1651        if (dev == NULL) {
1652                stat = -ENOMEM;
1653                goto fail0;
1654        }
1655
1656        dev->pci_dev = pci_dev;
1657        dev->card_info = (struct ngene_info *)id->driver_data;
1658        printk(KERN_INFO DEVICE_NAME ": Found %s\n", dev->card_info->name);
1659
1660        pci_set_drvdata(pci_dev, dev);
1661
1662        /* Alloc buffers and start nGene */
1663        stat = ngene_get_buffers(dev);
1664        if (stat < 0)
1665                goto fail1;
1666        stat = ngene_start(dev);
1667        if (stat < 0)
1668                goto fail1;
1669
1670        cxd_attach(dev);
1671
1672        stat = ngene_buffer_config(dev);
1673        if (stat < 0)
1674                goto fail1;
1675
1676
1677        dev->i2c_current_bus = -1;
1678
1679        /* Register DVB adapters and devices for both channels */
1680        stat = init_channels(dev);
1681        if (stat < 0)
1682                goto fail2;
1683
1684        return 0;
1685
1686fail2:
1687        ngene_stop(dev);
1688fail1:
1689        ngene_release_buffers(dev);
1690fail0:
1691        pci_disable_device(pci_dev);
1692        return stat;
1693}
1694