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ngene-core.c
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linux-6.19.14/drivers/media/pci/ngene/ngene-core.c
1// SPDX-License-Identifier: GPL-2.0-only 2/* 3 * ngene.c: nGene PCIe bridge driver 4 * 5 * Copyright (C) 2005-2007 Micronas 6 * 7 * Copyright (C) 2008-2009 Ralph Metzler <rjkm@metzlerbros.de> 8 * Modifications for new nGene firmware, 9 * support for EEPROM-copying, 10 * support for new dual DVB-S2 card prototype 11 */ 12 13#include <linux/module.h> 14#include <linux/init.h> 15#include <linux/delay.h> 16#include <linux/poll.h> 17#include <linux/io.h> 18#include <asm/div64.h> 19#include <linux/pci.h> 20#include <linux/timer.h> 21#include <linux/byteorder/generic.h> 22#include <linux/firmware.h> 23#include <linux/vmalloc.h> 24 25#include "ngene.h" 26 27static int one_adapter; 28module_param(one_adapter, int, 0444); 29MODULE_PARM_DESC(one_adapter, "Use only one adapter."); 30 31static int shutdown_workaround; 32module_param(shutdown_workaround, int, 0644); 33MODULE_PARM_DESC(shutdown_workaround, "Activate workaround for shutdown problem with some chipsets."); 34 35static int debug; 36module_param(debug, int, 0444); 37MODULE_PARM_DESC(debug, "Print debugging information."); 38 39DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); 40 41#define ngwriteb(dat, adr) writeb((dat), dev->iomem + (adr)) 42#define ngwritel(dat, adr) writel((dat), dev->iomem + (adr)) 43#define ngwriteb(dat, adr) writeb((dat), dev->iomem + (adr)) 44#define ngreadl(adr) readl(dev->iomem + (adr)) 45#define ngreadb(adr) readb(dev->iomem + (adr)) 46#define ngcpyto(adr, src, count) memcpy_toio(dev->iomem + (adr), (src), (count)) 47#define ngcpyfrom(dst, adr, count) memcpy_fromio((dst), dev->iomem + (adr), (count)) 48 49/****************************************************************************/ 50/* nGene interrupt handler **************************************************/ 51/****************************************************************************/ 52 53static void event_bh_work(struct work_struct *t) 54{ 55 struct ngene *dev = from_work(dev, t, event_bh_work); 56 57 while (dev->EventQueueReadIndex != dev->EventQueueWriteIndex) { 58 struct EVENT_BUFFER Event = 59 dev->EventQueue[dev->EventQueueReadIndex]; 60 dev->EventQueueReadIndex = 61 (dev->EventQueueReadIndex + 1) & (EVENT_QUEUE_SIZE - 1); 62 63 if ((Event.UARTStatus & 0x01) && (dev->TxEventNotify)) 64 dev->TxEventNotify(dev, Event.TimeStamp); 65 if ((Event.UARTStatus & 0x02) && (dev->RxEventNotify)) 66 dev->RxEventNotify(dev, Event.TimeStamp, 67 Event.RXCharacter); 68 } 69} 70 71static void demux_bh_work(struct work_struct *t) 72{ 73 struct ngene_channel *chan = from_work(chan, t, demux_bh_work); 74 struct device *pdev = &chan->dev->pci_dev->dev; 75 struct SBufferHeader *Cur = chan->nextBuffer; 76 77 spin_lock_irq(&chan->state_lock); 78 79 while (Cur->ngeneBuffer.SR.Flags & 0x80) { 80 if (chan->mode & NGENE_IO_TSOUT) { 81 u32 Flags = chan->DataFormatFlags; 82 if (Cur->ngeneBuffer.SR.Flags & 0x20) 83 Flags |= BEF_OVERFLOW; 84 if (chan->pBufferExchange) { 85 if (!chan->pBufferExchange(chan, 86 Cur->Buffer1, 87 chan->Capture1Length, 88 Cur->ngeneBuffer.SR. 89 Clock, Flags)) { 90 /* 91 We didn't get data 92 Clear in service flag to make sure we 93 get called on next interrupt again. 94 leave fill/empty (0x80) flag alone 95 to avoid hardware running out of 96 buffers during startup, we hold only 97 in run state ( the source may be late 98 delivering data ) 99 */ 100 101 if (chan->HWState == HWSTATE_RUN) { 102 Cur->ngeneBuffer.SR.Flags &= 103 ~0x40; 104 break; 105 /* Stop processing stream */ 106 } 107 } else { 108 /* We got a valid buffer, 109 so switch to run state */ 110 chan->HWState = HWSTATE_RUN; 111 } 112 } else { 113 dev_err(pdev, "OOPS\n"); 114 if (chan->HWState == HWSTATE_RUN) { 115 Cur->ngeneBuffer.SR.Flags &= ~0x40; 116 break; /* Stop processing stream */ 117 } 118 } 119 if (chan->AudioDTOUpdated) { 120 dev_info(pdev, "Update AudioDTO = %d\n", 121 chan->AudioDTOValue); 122 Cur->ngeneBuffer.SR.DTOUpdate = 123 chan->AudioDTOValue; 124 chan->AudioDTOUpdated = 0; 125 } 126 } else { 127 if (chan->HWState == HWSTATE_RUN) { 128 u32 Flags = chan->DataFormatFlags; 129 IBufferExchange *exch1 = chan->pBufferExchange; 130 IBufferExchange *exch2 = chan->pBufferExchange2; 131 if (Cur->ngeneBuffer.SR.Flags & 0x01) 132 Flags |= BEF_EVEN_FIELD; 133 if (Cur->ngeneBuffer.SR.Flags & 0x20) 134 Flags |= BEF_OVERFLOW; 135 spin_unlock_irq(&chan->state_lock); 136 if (exch1) 137 exch1(chan, Cur->Buffer1, 138 chan->Capture1Length, 139 Cur->ngeneBuffer.SR.Clock, 140 Flags); 141 if (exch2) 142 exch2(chan, Cur->Buffer2, 143 chan->Capture2Length, 144 Cur->ngeneBuffer.SR.Clock, 145 Flags); 146 spin_lock_irq(&chan->state_lock); 147 } else if (chan->HWState != HWSTATE_STOP) 148 chan->HWState = HWSTATE_RUN; 149 } 150 Cur->ngeneBuffer.SR.Flags = 0x00; 151 Cur = Cur->Next; 152 } 153 chan->nextBuffer = Cur; 154 155 spin_unlock_irq(&chan->state_lock); 156} 157 158static irqreturn_t irq_handler(int irq, void *dev_id) 159{ 160 struct ngene *dev = (struct ngene *)dev_id; 161 struct device *pdev = &dev->pci_dev->dev; 162 u32 icounts = 0; 163 irqreturn_t rc = IRQ_NONE; 164 u32 i = MAX_STREAM; 165 u8 *tmpCmdDoneByte; 166 167 if (dev->BootFirmware) { 168 icounts = ngreadl(NGENE_INT_COUNTS); 169 if (icounts != dev->icounts) { 170 ngwritel(0, FORCE_NMI); 171 dev->cmd_done = 1; 172 wake_up(&dev->cmd_wq); 173 dev->icounts = icounts; 174 rc = IRQ_HANDLED; 175 } 176 return rc; 177 } 178 179 ngwritel(0, FORCE_NMI); 180 181 spin_lock(&dev->cmd_lock); 182 tmpCmdDoneByte = dev->CmdDoneByte; 183 if (tmpCmdDoneByte && 184 (*tmpCmdDoneByte || 185 (dev->ngenetohost[0] == 1 && dev->ngenetohost[1] != 0))) { 186 dev->CmdDoneByte = NULL; 187 dev->cmd_done = 1; 188 wake_up(&dev->cmd_wq); 189 rc = IRQ_HANDLED; 190 } 191 spin_unlock(&dev->cmd_lock); 192 193 if (dev->EventBuffer->EventStatus & 0x80) { 194 u8 nextWriteIndex = 195 (dev->EventQueueWriteIndex + 1) & 196 (EVENT_QUEUE_SIZE - 1); 197 if (nextWriteIndex != dev->EventQueueReadIndex) { 198 dev->EventQueue[dev->EventQueueWriteIndex] = 199 *(dev->EventBuffer); 200 dev->EventQueueWriteIndex = nextWriteIndex; 201 } else { 202 dev_err(pdev, "event overflow\n"); 203 dev->EventQueueOverflowCount += 1; 204 dev->EventQueueOverflowFlag = 1; 205 } 206 dev->EventBuffer->EventStatus &= ~0x80; 207 queue_work(system_bh_wq, &dev->event_bh_work); 208 rc = IRQ_HANDLED; 209 } 210 211 while (i > 0) { 212 i--; 213 spin_lock(&dev->channel[i].state_lock); 214 /* if (dev->channel[i].State>=KSSTATE_RUN) { */ 215 if (dev->channel[i].nextBuffer) { 216 if ((dev->channel[i].nextBuffer-> 217 ngeneBuffer.SR.Flags & 0xC0) == 0x80) { 218 dev->channel[i].nextBuffer-> 219 ngeneBuffer.SR.Flags |= 0x40; 220 queue_work(system_bh_wq, 221 &dev->channel[i].demux_bh_work); 222 rc = IRQ_HANDLED; 223 } 224 } 225 spin_unlock(&dev->channel[i].state_lock); 226 } 227 228 /* Request might have been processed by a previous call. */ 229 return IRQ_HANDLED; 230} 231 232/****************************************************************************/ 233/* nGene command interface **************************************************/ 234/****************************************************************************/ 235 236static void dump_command_io(struct ngene *dev) 237{ 238 struct device *pdev = &dev->pci_dev->dev; 239 u8 buf[8], *b; 240 241 ngcpyfrom(buf, HOST_TO_NGENE, 8); 242 dev_err(pdev, "host_to_ngene (%04x): %*ph\n", HOST_TO_NGENE, 8, buf); 243 244 ngcpyfrom(buf, NGENE_TO_HOST, 8); 245 dev_err(pdev, "ngene_to_host (%04x): %*ph\n", NGENE_TO_HOST, 8, buf); 246 247 b = dev->hosttongene; 248 dev_err(pdev, "dev->hosttongene (%p): %*ph\n", b, 8, b); 249 250 b = dev->ngenetohost; 251 dev_err(pdev, "dev->ngenetohost (%p): %*ph\n", b, 8, b); 252} 253 254static int ngene_command_mutex(struct ngene *dev, struct ngene_command *com) 255{ 256 struct device *pdev = &dev->pci_dev->dev; 257 int ret; 258 u8 *tmpCmdDoneByte; 259 260 dev->cmd_done = 0; 261 262 if (com->cmd.hdr.Opcode == CMD_FWLOAD_PREPARE) { 263 dev->BootFirmware = 1; 264 dev->icounts = ngreadl(NGENE_INT_COUNTS); 265 ngwritel(0, NGENE_COMMAND); 266 ngwritel(0, NGENE_COMMAND_HI); 267 ngwritel(0, NGENE_STATUS); 268 ngwritel(0, NGENE_STATUS_HI); 269 ngwritel(0, NGENE_EVENT); 270 ngwritel(0, NGENE_EVENT_HI); 271 } else if (com->cmd.hdr.Opcode == CMD_FWLOAD_FINISH) { 272 u64 fwio = dev->PAFWInterfaceBuffer; 273 274 ngwritel(fwio & 0xffffffff, NGENE_COMMAND); 275 ngwritel(fwio >> 32, NGENE_COMMAND_HI); 276 ngwritel((fwio + 256) & 0xffffffff, NGENE_STATUS); 277 ngwritel((fwio + 256) >> 32, NGENE_STATUS_HI); 278 ngwritel((fwio + 512) & 0xffffffff, NGENE_EVENT); 279 ngwritel((fwio + 512) >> 32, NGENE_EVENT_HI); 280 } 281 282 memcpy(dev->FWInterfaceBuffer, com->cmd.raw8, com->in_len + 2); 283 284 if (dev->BootFirmware) 285 ngcpyto(HOST_TO_NGENE, com->cmd.raw8, com->in_len + 2); 286 287 spin_lock_irq(&dev->cmd_lock); 288 tmpCmdDoneByte = dev->ngenetohost + com->out_len; 289 if (!com->out_len) 290 tmpCmdDoneByte++; 291 *tmpCmdDoneByte = 0; 292 dev->ngenetohost[0] = 0; 293 dev->ngenetohost[1] = 0; 294 dev->CmdDoneByte = tmpCmdDoneByte; 295 spin_unlock_irq(&dev->cmd_lock); 296 297 /* Notify 8051. */ 298 ngwritel(1, FORCE_INT); 299 300 ret = wait_event_timeout(dev->cmd_wq, dev->cmd_done == 1, 2 * HZ); 301 if (!ret) { 302 /*ngwritel(0, FORCE_NMI);*/ 303 304 dev_err(pdev, "Command timeout cmd=%02x prev=%02x\n", 305 com->cmd.hdr.Opcode, dev->prev_cmd); 306 dump_command_io(dev); 307 return -1; 308 } 309 if (com->cmd.hdr.Opcode == CMD_FWLOAD_FINISH) 310 dev->BootFirmware = 0; 311 312 dev->prev_cmd = com->cmd.hdr.Opcode; 313 314 if (!com->out_len) 315 return 0; 316 317 memcpy(com->cmd.raw8, dev->ngenetohost, com->out_len); 318 319 return 0; 320} 321 322int ngene_command(struct ngene *dev, struct ngene_command *com) 323{ 324 int result; 325 326 mutex_lock(&dev->cmd_mutex); 327 result = ngene_command_mutex(dev, com); 328 mutex_unlock(&dev->cmd_mutex); 329 return result; 330} 331 332 333static int ngene_command_load_firmware(struct ngene *dev, 334 u8 *ngene_fw, u32 size) 335{ 336#define FIRSTCHUNK (1024) 337 u32 cleft; 338 struct ngene_command com; 339 340 com.cmd.hdr.Opcode = CMD_FWLOAD_PREPARE; 341 com.cmd.hdr.Length = 0; 342 com.in_len = 0; 343 com.out_len = 0; 344 345 ngene_command(dev, &com); 346 347 cleft = (size + 3) & ~3; 348 if (cleft > FIRSTCHUNK) { 349 ngcpyto(PROGRAM_SRAM + FIRSTCHUNK, ngene_fw + FIRSTCHUNK, 350 cleft - FIRSTCHUNK); 351 cleft = FIRSTCHUNK; 352 } 353 ngcpyto(DATA_FIFO_AREA, ngene_fw, cleft); 354 355 memset(&com, 0, sizeof(struct ngene_command)); 356 com.cmd.hdr.Opcode = CMD_FWLOAD_FINISH; 357 com.cmd.hdr.Length = 4; 358 com.cmd.FWLoadFinish.Address = DATA_FIFO_AREA; 359 com.cmd.FWLoadFinish.Length = (unsigned short)cleft; 360 com.in_len = 4; 361 com.out_len = 0; 362 363 return ngene_command(dev, &com); 364} 365 366 367static int ngene_command_config_buf(struct ngene *dev, u8 config) 368{ 369 struct ngene_command com; 370 371 com.cmd.hdr.Opcode = CMD_CONFIGURE_BUFFER; 372 com.cmd.hdr.Length = 1; 373 com.cmd.ConfigureBuffers.config = config; 374 com.in_len = 1; 375 com.out_len = 0; 376 377 if (ngene_command(dev, &com) < 0) 378 return -EIO; 379 return 0; 380} 381 382static int ngene_command_config_free_buf(struct ngene *dev, u8 *config) 383{ 384 struct ngene_command com; 385 386 com.cmd.hdr.Opcode = CMD_CONFIGURE_FREE_BUFFER; 387 com.cmd.hdr.Length = 6; 388 memcpy(&com.cmd.ConfigureFreeBuffers.config, config, 6); 389 com.in_len = 6; 390 com.out_len = 0; 391 392 if (ngene_command(dev, &com) < 0) 393 return -EIO; 394 395 return 0; 396} 397 398int ngene_command_gpio_set(struct ngene *dev, u8 select, u8 level) 399{ 400 struct ngene_command com; 401 402 com.cmd.hdr.Opcode = CMD_SET_GPIO_PIN; 403 com.cmd.hdr.Length = 1; 404 com.cmd.SetGpioPin.select = select | (level << 7); 405 com.in_len = 1; 406 com.out_len = 0; 407 408 return ngene_command(dev, &com); 409} 410 411 412/* 413 02000640 is sample on rising edge. 414 02000740 is sample on falling edge. 415 02000040 is ignore "valid" signal 416 417 0: FD_CTL1 Bit 7,6 must be 0,1 418 7 disable(fw controlled) 419 6 0-AUX,1-TS 420 5 0-par,1-ser 421 4 0-lsb/1-msb 422 3,2 reserved 423 1,0 0-no sync, 1-use ext. start, 2-use 0x47, 3-both 424 1: FD_CTL2 has 3-valid must be hi, 2-use valid, 1-edge 425 2: FD_STA is read-only. 0-sync 426 3: FD_INSYNC is number of 47s to trigger "in sync". 427 4: FD_OUTSYNC is number of 47s to trigger "out of sync". 428 5: FD_MAXBYTE1 is low-order of bytes per packet. 429 6: FD_MAXBYTE2 is high-order of bytes per packet. 430 7: Top byte is unused. 431*/ 432 433/****************************************************************************/ 434 435static u8 TSFeatureDecoderSetup[8 * 5] = { 436 0x42, 0x00, 0x00, 0x02, 0x02, 0xbc, 0x00, 0x00, 437 0x40, 0x06, 0x00, 0x02, 0x02, 0xbc, 0x00, 0x00, /* DRXH */ 438 0x71, 0x07, 0x00, 0x02, 0x02, 0xbc, 0x00, 0x00, /* DRXHser */ 439 0x72, 0x00, 0x00, 0x02, 0x02, 0xbc, 0x00, 0x00, /* S2ser */ 440 0x40, 0x07, 0x00, 0x02, 0x02, 0xbc, 0x00, 0x00, /* LGDT3303 */ 441}; 442 443/* Set NGENE I2S Config to 16 bit packed */ 444static u8 I2SConfiguration[] = { 445 0x00, 0x10, 0x00, 0x00, 446 0x80, 0x10, 0x00, 0x00, 447}; 448 449static u8 SPDIFConfiguration[10] = { 450 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 451}; 452 453/* Set NGENE I2S Config to transport stream compatible mode */ 454 455static u8 TS_I2SConfiguration[4] = { 0x3E, 0x18, 0x00, 0x00 }; 456 457static u8 TS_I2SOutConfiguration[4] = { 0x80, 0x04, 0x00, 0x00 }; 458 459static u8 ITUDecoderSetup[4][16] = { 460 {0x1c, 0x13, 0x01, 0x68, 0x3d, 0x90, 0x14, 0x20, /* SDTV */ 461 0x00, 0x00, 0x01, 0xb0, 0x9c, 0x00, 0x00, 0x00}, 462 {0x9c, 0x03, 0x23, 0xC0, 0x60, 0x0E, 0x13, 0x00, 463 0x00, 0x00, 0x00, 0x01, 0xB0, 0x00, 0x00, 0x00}, 464 {0x9f, 0x00, 0x23, 0xC0, 0x60, 0x0F, 0x13, 0x00, /* HDTV 1080i50 */ 465 0x00, 0x00, 0x00, 0x01, 0xB0, 0x00, 0x00, 0x00}, 466 {0x9c, 0x01, 0x23, 0xC0, 0x60, 0x0E, 0x13, 0x00, /* HDTV 1080i60 */ 467 0x00, 0x00, 0x00, 0x01, 0xB0, 0x00, 0x00, 0x00}, 468}; 469 470/* 471 * 50 48 60 gleich 472 * 27p50 9f 00 22 80 42 69 18 ... 473 * 27p60 93 00 22 80 82 69 1c ... 474 */ 475 476/* Maxbyte to 1144 (for raw data) */ 477static u8 ITUFeatureDecoderSetup[8] = { 478 0x00, 0x00, 0x00, 0x00, 0x00, 0x78, 0x04, 0x00 479}; 480 481void FillTSBuffer(void *Buffer, int Length, u32 Flags) 482{ 483 u32 *ptr = Buffer; 484 485 memset(Buffer, TS_FILLER, Length); 486 while (Length > 0) { 487 if (Flags & DF_SWAP32) 488 *ptr = 0x471FFF10; 489 else 490 *ptr = 0x10FF1F47; 491 ptr += (188 / 4); 492 Length -= 188; 493 } 494} 495 496 497static void flush_buffers(struct ngene_channel *chan) 498{ 499 u8 val; 500 501 do { 502 msleep(1); 503 spin_lock_irq(&chan->state_lock); 504 val = chan->nextBuffer->ngeneBuffer.SR.Flags & 0x80; 505 spin_unlock_irq(&chan->state_lock); 506 } while (val); 507} 508 509static void clear_buffers(struct ngene_channel *chan) 510{ 511 struct SBufferHeader *Cur = chan->nextBuffer; 512 513 do { 514 memset(&Cur->ngeneBuffer.SR, 0, sizeof(Cur->ngeneBuffer.SR)); 515 if (chan->mode & NGENE_IO_TSOUT) 516 FillTSBuffer(Cur->Buffer1, 517 chan->Capture1Length, 518 chan->DataFormatFlags); 519 Cur = Cur->Next; 520 } while (Cur != chan->nextBuffer); 521 522 if (chan->mode & NGENE_IO_TSOUT) { 523 chan->nextBuffer->ngeneBuffer.SR.DTOUpdate = 524 chan->AudioDTOValue; 525 chan->AudioDTOUpdated = 0; 526 527 Cur = chan->TSIdleBuffer.Head; 528 529 do { 530 memset(&Cur->ngeneBuffer.SR, 0, 531 sizeof(Cur->ngeneBuffer.SR)); 532 FillTSBuffer(Cur->Buffer1, 533 chan->Capture1Length, 534 chan->DataFormatFlags); 535 Cur = Cur->Next; 536 } while (Cur != chan->TSIdleBuffer.Head); 537 } 538} 539 540static int ngene_command_stream_control(struct ngene *dev, u8 stream, 541 u8 control, u8 mode, u8 flags) 542{ 543 struct device *pdev = &dev->pci_dev->dev; 544 struct ngene_channel *chan = &dev->channel[stream]; 545 struct ngene_command com; 546 u16 BsUVI = ((stream & 1) ? 0x9400 : 0x9300); 547 u16 BsSDI = ((stream & 1) ? 0x9600 : 0x9500); 548 u16 BsSPI = ((stream & 1) ? 0x9800 : 0x9700); 549 u16 BsSDO = 0x9B00; 550 551 memset(&com, 0, sizeof(com)); 552 com.cmd.hdr.Opcode = CMD_CONTROL; 553 com.cmd.hdr.Length = sizeof(struct FW_STREAM_CONTROL) - 2; 554 com.cmd.StreamControl.Stream = stream | (control ? 8 : 0); 555 if (chan->mode & NGENE_IO_TSOUT) 556 com.cmd.StreamControl.Stream |= 0x07; 557 com.cmd.StreamControl.Control = control | 558 (flags & SFLAG_ORDER_LUMA_CHROMA); 559 com.cmd.StreamControl.Mode = mode; 560 com.in_len = sizeof(struct FW_STREAM_CONTROL); 561 com.out_len = 0; 562 563 dev_dbg(pdev, "Stream=%02x, Control=%02x, Mode=%02x\n", 564 com.cmd.StreamControl.Stream, com.cmd.StreamControl.Control, 565 com.cmd.StreamControl.Mode); 566 567 chan->Mode = mode; 568 569 if (!(control & 0x80)) { 570 spin_lock_irq(&chan->state_lock); 571 if (chan->State == KSSTATE_RUN) { 572 chan->State = KSSTATE_ACQUIRE; 573 chan->HWState = HWSTATE_STOP; 574 spin_unlock_irq(&chan->state_lock); 575 if (ngene_command(dev, &com) < 0) 576 return -1; 577 /* clear_buffers(chan); */ 578 flush_buffers(chan); 579 return 0; 580 } 581 spin_unlock_irq(&chan->state_lock); 582 return 0; 583 } 584 585 if (mode & SMODE_AUDIO_CAPTURE) { 586 com.cmd.StreamControl.CaptureBlockCount = 587 chan->Capture1Length / AUDIO_BLOCK_SIZE; 588 com.cmd.StreamControl.Buffer_Address = chan->RingBuffer.PAHead; 589 } else if (mode & SMODE_TRANSPORT_STREAM) { 590 com.cmd.StreamControl.CaptureBlockCount = 591 chan->Capture1Length / TS_BLOCK_SIZE; 592 com.cmd.StreamControl.MaxLinesPerField = 593 chan->Capture1Length / TS_BLOCK_SIZE; 594 com.cmd.StreamControl.Buffer_Address = 595 chan->TSRingBuffer.PAHead; 596 if (chan->mode & NGENE_IO_TSOUT) { 597 com.cmd.StreamControl.BytesPerVBILine = 598 chan->Capture1Length / TS_BLOCK_SIZE; 599 com.cmd.StreamControl.Stream |= 0x07; 600 } 601 } else { 602 com.cmd.StreamControl.BytesPerVideoLine = chan->nBytesPerLine; 603 com.cmd.StreamControl.MaxLinesPerField = chan->nLines; 604 com.cmd.StreamControl.MinLinesPerField = 100; 605 com.cmd.StreamControl.Buffer_Address = chan->RingBuffer.PAHead; 606 607 if (mode & SMODE_VBI_CAPTURE) { 608 com.cmd.StreamControl.MaxVBILinesPerField = 609 chan->nVBILines; 610 com.cmd.StreamControl.MinVBILinesPerField = 0; 611 com.cmd.StreamControl.BytesPerVBILine = 612 chan->nBytesPerVBILine; 613 } 614 if (flags & SFLAG_COLORBAR) 615 com.cmd.StreamControl.Stream |= 0x04; 616 } 617 618 spin_lock_irq(&chan->state_lock); 619 if (mode & SMODE_AUDIO_CAPTURE) { 620 chan->nextBuffer = chan->RingBuffer.Head; 621 if (mode & SMODE_AUDIO_SPDIF) { 622 com.cmd.StreamControl.SetupDataLen = 623 sizeof(SPDIFConfiguration); 624 com.cmd.StreamControl.SetupDataAddr = BsSPI; 625 memcpy(com.cmd.StreamControl.SetupData, 626 SPDIFConfiguration, sizeof(SPDIFConfiguration)); 627 } else { 628 com.cmd.StreamControl.SetupDataLen = 4; 629 com.cmd.StreamControl.SetupDataAddr = BsSDI; 630 memcpy(com.cmd.StreamControl.SetupData, 631 I2SConfiguration + 632 4 * dev->card_info->i2s[stream], 4); 633 } 634 } else if (mode & SMODE_TRANSPORT_STREAM) { 635 chan->nextBuffer = chan->TSRingBuffer.Head; 636 if (stream >= STREAM_AUDIOIN1) { 637 if (chan->mode & NGENE_IO_TSOUT) { 638 com.cmd.StreamControl.SetupDataLen = 639 sizeof(TS_I2SOutConfiguration); 640 com.cmd.StreamControl.SetupDataAddr = BsSDO; 641 memcpy(com.cmd.StreamControl.SetupData, 642 TS_I2SOutConfiguration, 643 sizeof(TS_I2SOutConfiguration)); 644 } else { 645 com.cmd.StreamControl.SetupDataLen = 646 sizeof(TS_I2SConfiguration); 647 com.cmd.StreamControl.SetupDataAddr = BsSDI; 648 memcpy(com.cmd.StreamControl.SetupData, 649 TS_I2SConfiguration, 650 sizeof(TS_I2SConfiguration)); 651 } 652 } else { 653 com.cmd.StreamControl.SetupDataLen = 8; 654 com.cmd.StreamControl.SetupDataAddr = BsUVI + 0x10; 655 memcpy(com.cmd.StreamControl.SetupData, 656 TSFeatureDecoderSetup + 657 8 * dev->card_info->tsf[stream], 8); 658 } 659 } else { 660 chan->nextBuffer = chan->RingBuffer.Head; 661 com.cmd.StreamControl.SetupDataLen = 662 16 + sizeof(ITUFeatureDecoderSetup); 663 com.cmd.StreamControl.SetupDataAddr = BsUVI; 664 memcpy(com.cmd.StreamControl.SetupData, 665 ITUDecoderSetup[chan->itumode], 16); 666 memcpy(com.cmd.StreamControl.SetupData + 16, 667 ITUFeatureDecoderSetup, sizeof(ITUFeatureDecoderSetup)); 668 } 669 clear_buffers(chan); 670 chan->State = KSSTATE_RUN; 671 if (mode & SMODE_TRANSPORT_STREAM) 672 chan->HWState = HWSTATE_RUN; 673 else 674 chan->HWState = HWSTATE_STARTUP; 675 spin_unlock_irq(&chan->state_lock); 676 677 if (ngene_command(dev, &com) < 0) 678 return -1; 679 680 return 0; 681} 682 683void set_transfer(struct ngene_channel *chan, int state) 684{ 685 struct device *pdev = &chan->dev->pci_dev->dev; 686 u8 control = 0, mode = 0, flags = 0; 687 struct ngene *dev = chan->dev; 688 int ret; 689 690 /* 691 dev_info(pdev, "st %d\n", state); 692 msleep(100); 693 */ 694 695 if (state) { 696 if (chan->running) { 697 dev_info(pdev, "already running\n"); 698 return; 699 } 700 } else { 701 if (!chan->running) { 702 dev_info(pdev, "already stopped\n"); 703 return; 704 } 705 } 706 707 if (dev->card_info->switch_ctrl) 708 dev->card_info->switch_ctrl(chan, 1, state ^ 1); 709 710 if (state) { 711 spin_lock_irq(&chan->state_lock); 712 713 /* dev_info(pdev, "lock=%08x\n", 714 ngreadl(0x9310)); */ 715 dvb_ringbuffer_flush(&dev->tsout_rbuf); 716 control = 0x80; 717 if (chan->mode & (NGENE_IO_TSIN | NGENE_IO_TSOUT)) { 718 chan->Capture1Length = 512 * 188; 719 mode = SMODE_TRANSPORT_STREAM; 720 } 721 if (chan->mode & NGENE_IO_TSOUT) { 722 chan->pBufferExchange = tsout_exchange; 723 /* 0x66666666 = 50MHz *2^33 /250MHz */ 724 chan->AudioDTOValue = 0x80000000; 725 chan->AudioDTOUpdated = 1; 726 } 727 if (chan->mode & NGENE_IO_TSIN) 728 chan->pBufferExchange = tsin_exchange; 729 spin_unlock_irq(&chan->state_lock); 730 } 731 /* else dev_info(pdev, "lock=%08x\n", 732 ngreadl(0x9310)); */ 733 734 mutex_lock(&dev->stream_mutex); 735 ret = ngene_command_stream_control(dev, chan->number, 736 control, mode, flags); 737 mutex_unlock(&dev->stream_mutex); 738 739 if (!ret) 740 chan->running = state; 741 else 742 dev_err(pdev, "%s %d failed\n", __func__, state); 743 if (!state) { 744 spin_lock_irq(&chan->state_lock); 745 chan->pBufferExchange = NULL; 746 dvb_ringbuffer_flush(&dev->tsout_rbuf); 747 spin_unlock_irq(&chan->state_lock); 748 } 749} 750 751 752/****************************************************************************/ 753/* nGene hardware init and release functions ********************************/ 754/****************************************************************************/ 755 756static void free_ringbuffer(struct ngene *dev, struct SRingBufferDescriptor *rb) 757{ 758 struct SBufferHeader *Cur = rb->Head; 759 u32 j; 760 761 if (!Cur) 762 return; 763 764 for (j = 0; j < rb->NumBuffers; j++, Cur = Cur->Next) { 765 if (Cur->Buffer1) 766 dma_free_coherent(&dev->pci_dev->dev, 767 rb->Buffer1Length, Cur->Buffer1, 768 Cur->scList1->Address); 769 770 if (Cur->Buffer2) 771 dma_free_coherent(&dev->pci_dev->dev, 772 rb->Buffer2Length, Cur->Buffer2, 773 Cur->scList2->Address); 774 } 775 776 if (rb->SCListMem) 777 dma_free_coherent(&dev->pci_dev->dev, rb->SCListMemSize, 778 rb->SCListMem, rb->PASCListMem); 779 780 dma_free_coherent(&dev->pci_dev->dev, rb->MemSize, rb->Head, 781 rb->PAHead); 782} 783 784static void free_idlebuffer(struct ngene *dev, 785 struct SRingBufferDescriptor *rb, 786 struct SRingBufferDescriptor *tb) 787{ 788 int j; 789 struct SBufferHeader *Cur = tb->Head; 790 791 if (!rb->Head) 792 return; 793 free_ringbuffer(dev, rb); 794 for (j = 0; j < tb->NumBuffers; j++, Cur = Cur->Next) { 795 Cur->Buffer2 = NULL; 796 Cur->scList2 = NULL; 797 Cur->ngeneBuffer.Address_of_first_entry_2 = 0; 798 Cur->ngeneBuffer.Number_of_entries_2 = 0; 799 } 800} 801 802static void free_common_buffers(struct ngene *dev) 803{ 804 u32 i; 805 struct ngene_channel *chan; 806 807 for (i = STREAM_VIDEOIN1; i < MAX_STREAM; i++) { 808 chan = &dev->channel[i]; 809 free_idlebuffer(dev, &chan->TSIdleBuffer, &chan->TSRingBuffer); 810 free_ringbuffer(dev, &chan->RingBuffer); 811 free_ringbuffer(dev, &chan->TSRingBuffer); 812 } 813 814 if (dev->OverflowBuffer) 815 dma_free_coherent(&dev->pci_dev->dev, OVERFLOW_BUFFER_SIZE, 816 dev->OverflowBuffer, dev->PAOverflowBuffer); 817 818 if (dev->FWInterfaceBuffer) 819 dma_free_coherent(&dev->pci_dev->dev, 4096, 820 dev->FWInterfaceBuffer, 821 dev->PAFWInterfaceBuffer); 822} 823 824/****************************************************************************/ 825/* Ring buffer handling *****************************************************/ 826/****************************************************************************/ 827 828static int create_ring_buffer(struct pci_dev *pci_dev, 829 struct SRingBufferDescriptor *descr, u32 NumBuffers) 830{ 831 dma_addr_t tmp; 832 struct SBufferHeader *Head; 833 u32 i; 834 u32 MemSize = SIZEOF_SBufferHeader * NumBuffers; 835 u64 PARingBufferHead; 836 u64 PARingBufferCur; 837 u64 PARingBufferNext; 838 struct SBufferHeader *Cur, *Next; 839 840 descr->Head = NULL; 841 descr->MemSize = 0; 842 descr->PAHead = 0; 843 descr->NumBuffers = 0; 844 845 if (MemSize < 4096) 846 MemSize = 4096; 847 848 Head = dma_alloc_coherent(&pci_dev->dev, MemSize, &tmp, GFP_KERNEL); 849 PARingBufferHead = tmp; 850 851 if (!Head) 852 return -ENOMEM; 853 854 PARingBufferCur = PARingBufferHead; 855 Cur = Head; 856 857 for (i = 0; i < NumBuffers - 1; i++) { 858 Next = (struct SBufferHeader *) 859 (((u8 *) Cur) + SIZEOF_SBufferHeader); 860 PARingBufferNext = PARingBufferCur + SIZEOF_SBufferHeader; 861 Cur->Next = Next; 862 Cur->ngeneBuffer.Next = PARingBufferNext; 863 Cur = Next; 864 PARingBufferCur = PARingBufferNext; 865 } 866 /* Last Buffer points back to first one */ 867 Cur->Next = Head; 868 Cur->ngeneBuffer.Next = PARingBufferHead; 869 870 descr->Head = Head; 871 descr->MemSize = MemSize; 872 descr->PAHead = PARingBufferHead; 873 descr->NumBuffers = NumBuffers; 874 875 return 0; 876} 877 878static int AllocateRingBuffers(struct pci_dev *pci_dev, 879 dma_addr_t of, 880 struct SRingBufferDescriptor *pRingBuffer, 881 u32 Buffer1Length, u32 Buffer2Length) 882{ 883 dma_addr_t tmp; 884 u32 i, j; 885 u32 SCListMemSize = pRingBuffer->NumBuffers 886 * ((Buffer2Length != 0) ? (NUM_SCATTER_GATHER_ENTRIES * 2) : 887 NUM_SCATTER_GATHER_ENTRIES) 888 * sizeof(struct HW_SCATTER_GATHER_ELEMENT); 889 890 u64 PASCListMem; 891 struct HW_SCATTER_GATHER_ELEMENT *SCListEntry; 892 u64 PASCListEntry; 893 struct SBufferHeader *Cur; 894 void *SCListMem; 895 896 if (SCListMemSize < 4096) 897 SCListMemSize = 4096; 898 899 SCListMem = dma_alloc_coherent(&pci_dev->dev, SCListMemSize, &tmp, 900 GFP_KERNEL); 901 902 PASCListMem = tmp; 903 if (SCListMem == NULL) 904 return -ENOMEM; 905 906 pRingBuffer->SCListMem = SCListMem; 907 pRingBuffer->PASCListMem = PASCListMem; 908 pRingBuffer->SCListMemSize = SCListMemSize; 909 pRingBuffer->Buffer1Length = Buffer1Length; 910 pRingBuffer->Buffer2Length = Buffer2Length; 911 912 SCListEntry = SCListMem; 913 PASCListEntry = PASCListMem; 914 Cur = pRingBuffer->Head; 915 916 for (i = 0; i < pRingBuffer->NumBuffers; i += 1, Cur = Cur->Next) { 917 u64 PABuffer; 918 919 void *Buffer = dma_alloc_coherent(&pci_dev->dev, 920 Buffer1Length, &tmp, GFP_KERNEL); 921 PABuffer = tmp; 922 923 if (Buffer == NULL) 924 return -ENOMEM; 925 926 Cur->Buffer1 = Buffer; 927 928 SCListEntry->Address = PABuffer; 929 SCListEntry->Length = Buffer1Length; 930 931 Cur->scList1 = SCListEntry; 932 Cur->ngeneBuffer.Address_of_first_entry_1 = PASCListEntry; 933 Cur->ngeneBuffer.Number_of_entries_1 = 934 NUM_SCATTER_GATHER_ENTRIES; 935 936 SCListEntry += 1; 937 PASCListEntry += sizeof(struct HW_SCATTER_GATHER_ELEMENT); 938 939#if NUM_SCATTER_GATHER_ENTRIES > 1 940 for (j = 0; j < NUM_SCATTER_GATHER_ENTRIES - 1; j += 1) { 941 SCListEntry->Address = of; 942 SCListEntry->Length = OVERFLOW_BUFFER_SIZE; 943 SCListEntry += 1; 944 PASCListEntry += 945 sizeof(struct HW_SCATTER_GATHER_ELEMENT); 946 } 947#endif 948 949 if (!Buffer2Length) 950 continue; 951 952 Buffer = dma_alloc_coherent(&pci_dev->dev, Buffer2Length, 953 &tmp, GFP_KERNEL); 954 PABuffer = tmp; 955 956 if (Buffer == NULL) 957 return -ENOMEM; 958 959 Cur->Buffer2 = Buffer; 960 961 SCListEntry->Address = PABuffer; 962 SCListEntry->Length = Buffer2Length; 963 964 Cur->scList2 = SCListEntry; 965 Cur->ngeneBuffer.Address_of_first_entry_2 = PASCListEntry; 966 Cur->ngeneBuffer.Number_of_entries_2 = 967 NUM_SCATTER_GATHER_ENTRIES; 968 969 SCListEntry += 1; 970 PASCListEntry += sizeof(struct HW_SCATTER_GATHER_ELEMENT); 971 972#if NUM_SCATTER_GATHER_ENTRIES > 1 973 for (j = 0; j < NUM_SCATTER_GATHER_ENTRIES - 1; j++) { 974 SCListEntry->Address = of; 975 SCListEntry->Length = OVERFLOW_BUFFER_SIZE; 976 SCListEntry += 1; 977 PASCListEntry += 978 sizeof(struct HW_SCATTER_GATHER_ELEMENT); 979 } 980#endif 981 982 } 983 984 return 0; 985} 986 987static int FillTSIdleBuffer(struct SRingBufferDescriptor *pIdleBuffer, 988 struct SRingBufferDescriptor *pRingBuffer) 989{ 990 /* Copy pointer to scatter gather list in TSRingbuffer 991 structure for buffer 2 992 Load number of buffer 993 */ 994 u32 n = pRingBuffer->NumBuffers; 995 996 /* Point to first buffer entry */ 997 struct SBufferHeader *Cur = pRingBuffer->Head; 998 int i; 999 /* Loop through all buffer and set Buffer 2 pointers to TSIdlebuffer */ 1000 for (i = 0; i < n; i++) { 1001 Cur->Buffer2 = pIdleBuffer->Head->Buffer1; 1002 Cur->scList2 = pIdleBuffer->Head->scList1; 1003 Cur->ngeneBuffer.Address_of_first_entry_2 = 1004 pIdleBuffer->Head->ngeneBuffer. 1005 Address_of_first_entry_1; 1006 Cur->ngeneBuffer.Number_of_entries_2 = 1007 pIdleBuffer->Head->ngeneBuffer.Number_of_entries_1; 1008 Cur = Cur->Next; 1009 } 1010 return 0; 1011} 1012 1013static u32 RingBufferSizes[MAX_STREAM] = { 1014 RING_SIZE_VIDEO, 1015 RING_SIZE_VIDEO, 1016 RING_SIZE_AUDIO, 1017 RING_SIZE_AUDIO, 1018 RING_SIZE_AUDIO, 1019}; 1020 1021static u32 Buffer1Sizes[MAX_STREAM] = { 1022 MAX_VIDEO_BUFFER_SIZE, 1023 MAX_VIDEO_BUFFER_SIZE, 1024 MAX_AUDIO_BUFFER_SIZE, 1025 MAX_AUDIO_BUFFER_SIZE, 1026 MAX_AUDIO_BUFFER_SIZE 1027}; 1028 1029static u32 Buffer2Sizes[MAX_STREAM] = { 1030 MAX_VBI_BUFFER_SIZE, 1031 MAX_VBI_BUFFER_SIZE, 1032 0, 1033 0, 1034 0 1035}; 1036 1037 1038static int AllocCommonBuffers(struct ngene *dev) 1039{ 1040 int status = 0, i; 1041 1042 dev->FWInterfaceBuffer = dma_alloc_coherent(&dev->pci_dev->dev, 4096, 1043 &dev->PAFWInterfaceBuffer, 1044 GFP_KERNEL); 1045 if (!dev->FWInterfaceBuffer) 1046 return -ENOMEM; 1047 dev->hosttongene = dev->FWInterfaceBuffer; 1048 dev->ngenetohost = dev->FWInterfaceBuffer + 256; 1049 dev->EventBuffer = dev->FWInterfaceBuffer + 512; 1050 1051 dev->OverflowBuffer = dma_alloc_coherent(&dev->pci_dev->dev, 1052 OVERFLOW_BUFFER_SIZE, 1053 &dev->PAOverflowBuffer, GFP_KERNEL); 1054 if (!dev->OverflowBuffer) 1055 return -ENOMEM; 1056 1057 for (i = STREAM_VIDEOIN1; i < MAX_STREAM; i++) { 1058 int type = dev->card_info->io_type[i]; 1059 1060 dev->channel[i].State = KSSTATE_STOP; 1061 1062 if (type & (NGENE_IO_TV | NGENE_IO_HDTV | NGENE_IO_AIN)) { 1063 status = create_ring_buffer(dev->pci_dev, 1064 &dev->channel[i].RingBuffer, 1065 RingBufferSizes[i]); 1066 if (status < 0) 1067 break; 1068 1069 if (type & (NGENE_IO_TV | NGENE_IO_AIN)) { 1070 status = AllocateRingBuffers(dev->pci_dev, 1071 dev-> 1072 PAOverflowBuffer, 1073 &dev->channel[i]. 1074 RingBuffer, 1075 Buffer1Sizes[i], 1076 Buffer2Sizes[i]); 1077 if (status < 0) 1078 break; 1079 } else if (type & NGENE_IO_HDTV) { 1080 status = AllocateRingBuffers(dev->pci_dev, 1081 dev-> 1082 PAOverflowBuffer, 1083 &dev->channel[i]. 1084 RingBuffer, 1085 MAX_HDTV_BUFFER_SIZE, 1086 0); 1087 if (status < 0) 1088 break; 1089 } 1090 } 1091 1092 if (type & (NGENE_IO_TSIN | NGENE_IO_TSOUT)) { 1093 1094 status = create_ring_buffer(dev->pci_dev, 1095 &dev->channel[i]. 1096 TSRingBuffer, RING_SIZE_TS); 1097 if (status < 0) 1098 break; 1099 1100 status = AllocateRingBuffers(dev->pci_dev, 1101 dev->PAOverflowBuffer, 1102 &dev->channel[i]. 1103 TSRingBuffer, 1104 MAX_TS_BUFFER_SIZE, 0); 1105 if (status) 1106 break; 1107 } 1108 1109 if (type & NGENE_IO_TSOUT) { 1110 status = create_ring_buffer(dev->pci_dev, 1111 &dev->channel[i]. 1112 TSIdleBuffer, 1); 1113 if (status < 0) 1114 break; 1115 status = AllocateRingBuffers(dev->pci_dev, 1116 dev->PAOverflowBuffer, 1117 &dev->channel[i]. 1118 TSIdleBuffer, 1119 MAX_TS_BUFFER_SIZE, 0); 1120 if (status) 1121 break; 1122 FillTSIdleBuffer(&dev->channel[i].TSIdleBuffer, 1123 &dev->channel[i].TSRingBuffer); 1124 } 1125 } 1126 return status; 1127} 1128 1129static void ngene_release_buffers(struct ngene *dev) 1130{ 1131 if (dev->iomem) 1132 iounmap(dev->iomem); 1133 free_common_buffers(dev); 1134 vfree(dev->tsout_buf); 1135 vfree(dev->tsin_buf); 1136 vfree(dev->ain_buf); 1137 vfree(dev->vin_buf); 1138 vfree(dev); 1139} 1140 1141static int ngene_get_buffers(struct ngene *dev) 1142{ 1143 if (AllocCommonBuffers(dev)) 1144 return -ENOMEM; 1145 if (dev->card_info->io_type[4] & NGENE_IO_TSOUT) { 1146 dev->tsout_buf = vmalloc(TSOUT_BUF_SIZE); 1147 if (!dev->tsout_buf) 1148 return -ENOMEM; 1149 dvb_ringbuffer_init(&dev->tsout_rbuf, 1150 dev->tsout_buf, TSOUT_BUF_SIZE); 1151 } 1152 if (dev->card_info->io_type[2]&NGENE_IO_TSIN) { 1153 dev->tsin_buf = vmalloc(TSIN_BUF_SIZE); 1154 if (!dev->tsin_buf) 1155 return -ENOMEM; 1156 dvb_ringbuffer_init(&dev->tsin_rbuf, 1157 dev->tsin_buf, TSIN_BUF_SIZE); 1158 } 1159 if (dev->card_info->io_type[2] & NGENE_IO_AIN) { 1160 dev->ain_buf = vmalloc(AIN_BUF_SIZE); 1161 if (!dev->ain_buf) 1162 return -ENOMEM; 1163 dvb_ringbuffer_init(&dev->ain_rbuf, dev->ain_buf, AIN_BUF_SIZE); 1164 } 1165 if (dev->card_info->io_type[0] & NGENE_IO_HDTV) { 1166 dev->vin_buf = vmalloc(VIN_BUF_SIZE); 1167 if (!dev->vin_buf) 1168 return -ENOMEM; 1169 dvb_ringbuffer_init(&dev->vin_rbuf, dev->vin_buf, VIN_BUF_SIZE); 1170 } 1171 dev->iomem = ioremap(pci_resource_start(dev->pci_dev, 0), 1172 pci_resource_len(dev->pci_dev, 0)); 1173 if (!dev->iomem) 1174 return -ENOMEM; 1175 1176 return 0; 1177} 1178 1179static void ngene_init(struct ngene *dev) 1180{ 1181 struct device *pdev = &dev->pci_dev->dev; 1182 int i; 1183 1184 INIT_WORK(&dev->event_bh_work, event_bh_work); 1185 1186 memset_io(dev->iomem + 0xc000, 0x00, 0x220); 1187 memset_io(dev->iomem + 0xc400, 0x00, 0x100); 1188 1189 for (i = 0; i < MAX_STREAM; i++) { 1190 dev->channel[i].dev = dev; 1191 dev->channel[i].number = i; 1192 } 1193 1194 dev->fw_interface_version = 0; 1195 1196 ngwritel(0, NGENE_INT_ENABLE); 1197 1198 dev->icounts = ngreadl(NGENE_INT_COUNTS); 1199 1200 dev->device_version = ngreadl(DEV_VER) & 0x0f; 1201 dev_info(pdev, "Device version %d\n", dev->device_version); 1202} 1203 1204static int ngene_load_firm(struct ngene *dev) 1205{ 1206 struct device *pdev = &dev->pci_dev->dev; 1207 u32 size; 1208 const struct firmware *fw = NULL; 1209 u8 *ngene_fw; 1210 char *fw_name; 1211 int err, version; 1212 1213 version = dev->card_info->fw_version; 1214 1215 switch (version) { 1216 default: 1217 case 15: 1218 version = 15; 1219 size = 23466; 1220 fw_name = "ngene_15.fw"; 1221 dev->cmd_timeout_workaround = true; 1222 break; 1223 case 16: 1224 size = 23498; 1225 fw_name = "ngene_16.fw"; 1226 dev->cmd_timeout_workaround = true; 1227 break; 1228 case 17: 1229 size = 24446; 1230 fw_name = "ngene_17.fw"; 1231 dev->cmd_timeout_workaround = true; 1232 break; 1233 case 18: 1234 size = 0; 1235 fw_name = "ngene_18.fw"; 1236 break; 1237 } 1238 1239 if (request_firmware(&fw, fw_name, &dev->pci_dev->dev) < 0) { 1240 dev_err(pdev, "Could not load firmware file %s.\n", fw_name); 1241 dev_info(pdev, "Copy %s to your hotplug directory!\n", 1242 fw_name); 1243 return -1; 1244 } 1245 if (size == 0) 1246 size = fw->size; 1247 if (size != fw->size) { 1248 dev_err(pdev, "Firmware %s has invalid size!", fw_name); 1249 err = -1; 1250 } else { 1251 dev_info(pdev, "Loading firmware file %s.\n", fw_name); 1252 ngene_fw = (u8 *) fw->data; 1253 err = ngene_command_load_firmware(dev, ngene_fw, size); 1254 } 1255 1256 release_firmware(fw); 1257 1258 return err; 1259} 1260 1261static void ngene_stop(struct ngene *dev) 1262{ 1263 mutex_destroy(&dev->cmd_mutex); 1264 i2c_del_adapter(&(dev->channel[0].i2c_adapter)); 1265 i2c_del_adapter(&(dev->channel[1].i2c_adapter)); 1266 ngwritel(0, NGENE_INT_ENABLE); 1267 ngwritel(0, NGENE_COMMAND); 1268 ngwritel(0, NGENE_COMMAND_HI); 1269 ngwritel(0, NGENE_STATUS); 1270 ngwritel(0, NGENE_STATUS_HI); 1271 ngwritel(0, NGENE_EVENT); 1272 ngwritel(0, NGENE_EVENT_HI); 1273 free_irq(dev->pci_dev->irq, dev); 1274#ifdef CONFIG_PCI_MSI 1275 if (dev->msi_enabled) 1276 pci_disable_msi(dev->pci_dev); 1277#endif 1278} 1279 1280static int ngene_buffer_config(struct ngene *dev) 1281{ 1282 int stat; 1283 1284 if (dev->card_info->fw_version >= 17) { 1285 u8 tsin12_config[6] = { 0x60, 0x60, 0x00, 0x00, 0x00, 0x00 }; 1286 u8 tsin1234_config[6] = { 0x30, 0x30, 0x00, 0x30, 0x30, 0x00 }; 1287 u8 tsio1235_config[6] = { 0x30, 0x30, 0x00, 0x28, 0x00, 0x38 }; 1288 u8 *bconf = tsin12_config; 1289 1290 if (dev->card_info->io_type[2]&NGENE_IO_TSIN && 1291 dev->card_info->io_type[3]&NGENE_IO_TSIN) { 1292 bconf = tsin1234_config; 1293 if (dev->card_info->io_type[4]&NGENE_IO_TSOUT && 1294 dev->ci.en) 1295 bconf = tsio1235_config; 1296 } 1297 stat = ngene_command_config_free_buf(dev, bconf); 1298 } else { 1299 int bconf = BUFFER_CONFIG_4422; 1300 1301 if (dev->card_info->io_type[3] == NGENE_IO_TSIN) 1302 bconf = BUFFER_CONFIG_3333; 1303 stat = ngene_command_config_buf(dev, bconf); 1304 } 1305 return stat; 1306} 1307 1308 1309static int ngene_start(struct ngene *dev) 1310{ 1311 int stat; 1312 int i; 1313 1314 pci_set_master(dev->pci_dev); 1315 ngene_init(dev); 1316 1317 stat = request_irq(dev->pci_dev->irq, irq_handler, 1318 IRQF_SHARED, "nGene", 1319 (void *)dev); 1320 if (stat < 0) 1321 return stat; 1322 1323 init_waitqueue_head(&dev->cmd_wq); 1324 init_waitqueue_head(&dev->tx_wq); 1325 init_waitqueue_head(&dev->rx_wq); 1326 mutex_init(&dev->cmd_mutex); 1327 mutex_init(&dev->stream_mutex); 1328 sema_init(&dev->pll_mutex, 1); 1329 mutex_init(&dev->i2c_switch_mutex); 1330 spin_lock_init(&dev->cmd_lock); 1331 for (i = 0; i < MAX_STREAM; i++) 1332 spin_lock_init(&dev->channel[i].state_lock); 1333 ngwritel(1, TIMESTAMPS); 1334 1335 ngwritel(1, NGENE_INT_ENABLE); 1336 1337 stat = ngene_load_firm(dev); 1338 if (stat < 0) 1339 goto fail; 1340 1341#ifdef CONFIG_PCI_MSI 1342 /* enable MSI if kernel and card support it */ 1343 if (pci_msi_enabled() && dev->card_info->msi_supported) { 1344 struct device *pdev = &dev->pci_dev->dev; 1345 unsigned long flags; 1346 1347 ngwritel(0, NGENE_INT_ENABLE); 1348 free_irq(dev->pci_dev->irq, dev); 1349 stat = pci_enable_msi(dev->pci_dev); 1350 if (stat) { 1351 dev_info(pdev, "MSI not available\n"); 1352 flags = IRQF_SHARED; 1353 } else { 1354 flags = 0; 1355 dev->msi_enabled = true; 1356 } 1357 stat = request_irq(dev->pci_dev->irq, irq_handler, 1358 flags, "nGene", dev); 1359 if (stat < 0) 1360 goto fail2; 1361 ngwritel(1, NGENE_INT_ENABLE); 1362 } 1363#endif 1364 1365 stat = ngene_i2c_init(dev, 0); 1366 if (stat < 0) 1367 goto fail; 1368 1369 stat = ngene_i2c_init(dev, 1); 1370 if (stat < 0) 1371 goto fail; 1372 1373 return 0; 1374 1375fail: 1376 ngwritel(0, NGENE_INT_ENABLE); 1377 free_irq(dev->pci_dev->irq, dev); 1378#ifdef CONFIG_PCI_MSI 1379fail2: 1380 if (dev->msi_enabled) 1381 pci_disable_msi(dev->pci_dev); 1382#endif 1383 return stat; 1384} 1385 1386/****************************************************************************/ 1387/****************************************************************************/ 1388/****************************************************************************/ 1389 1390static void release_channel(struct ngene_channel *chan) 1391{ 1392 struct dvb_demux *dvbdemux = &chan->demux; 1393 struct ngene *dev = chan->dev; 1394 1395 if (chan->running) 1396 set_transfer(chan, 0); 1397 1398 cancel_work_sync(&chan->demux_bh_work); 1399 1400 if (chan->ci_dev) { 1401 dvb_unregister_device(chan->ci_dev); 1402 chan->ci_dev = NULL; 1403 } 1404 1405 if (chan->fe2) 1406 dvb_unregister_frontend(chan->fe2); 1407 1408 if (chan->fe) { 1409 dvb_unregister_frontend(chan->fe); 1410 1411 /* release I2C client (tuner) if needed */ 1412 if (chan->i2c_client_fe) { 1413 dvb_module_release(chan->i2c_client[0]); 1414 chan->i2c_client[0] = NULL; 1415 } 1416 1417 dvb_frontend_detach(chan->fe); 1418 chan->fe = NULL; 1419 } 1420 1421 if (chan->has_demux) { 1422 dvb_net_release(&chan->dvbnet); 1423 dvbdemux->dmx.close(&dvbdemux->dmx); 1424 dvbdemux->dmx.remove_frontend(&dvbdemux->dmx, 1425 &chan->hw_frontend); 1426 dvbdemux->dmx.remove_frontend(&dvbdemux->dmx, 1427 &chan->mem_frontend); 1428 dvb_dmxdev_release(&chan->dmxdev); 1429 dvb_dmx_release(&chan->demux); 1430 chan->has_demux = false; 1431 } 1432 1433 if (chan->has_adapter) { 1434 dvb_unregister_adapter(&dev->adapter[chan->number]); 1435 chan->has_adapter = false; 1436 } 1437} 1438 1439static int init_channel(struct ngene_channel *chan) 1440{ 1441 int ret = 0, nr = chan->number; 1442 struct dvb_adapter *adapter = NULL; 1443 struct dvb_demux *dvbdemux = &chan->demux; 1444 struct ngene *dev = chan->dev; 1445 struct ngene_info *ni = dev->card_info; 1446 int io = ni->io_type[nr]; 1447 1448 INIT_WORK(&chan->demux_bh_work, demux_bh_work); 1449 chan->users = 0; 1450 chan->type = io; 1451 chan->mode = chan->type; /* for now only one mode */ 1452 chan->i2c_client_fe = 0; /* be sure this is set to zero */ 1453 1454 if (io & NGENE_IO_TSIN) { 1455 chan->fe = NULL; 1456 if (ni->demod_attach[nr]) { 1457 ret = ni->demod_attach[nr](chan); 1458 if (ret < 0) 1459 goto err; 1460 } 1461 if (chan->fe && ni->tuner_attach[nr]) { 1462 ret = ni->tuner_attach[nr](chan); 1463 if (ret < 0) 1464 goto err; 1465 } 1466 } 1467 1468 if (!dev->ci.en && (io & NGENE_IO_TSOUT)) 1469 return 0; 1470 1471 if (io & (NGENE_IO_TSIN | NGENE_IO_TSOUT)) { 1472 if (nr >= STREAM_AUDIOIN1) 1473 chan->DataFormatFlags = DF_SWAP32; 1474 1475 if (nr == 0 || !one_adapter || dev->first_adapter == NULL) { 1476 adapter = &dev->adapter[nr]; 1477 ret = dvb_register_adapter(adapter, "nGene", 1478 THIS_MODULE, 1479 &chan->dev->pci_dev->dev, 1480 adapter_nr); 1481 if (ret < 0) 1482 goto err; 1483 if (dev->first_adapter == NULL) 1484 dev->first_adapter = adapter; 1485 chan->has_adapter = true; 1486 } else 1487 adapter = dev->first_adapter; 1488 } 1489 1490 if (dev->ci.en && (io & NGENE_IO_TSOUT)) { 1491 ret = dvb_ca_en50221_init(adapter, dev->ci.en, 0, 1); 1492 if (ret != 0) 1493 goto err; 1494 set_transfer(chan, 1); 1495 chan->dev->channel[2].DataFormatFlags = DF_SWAP32; 1496 set_transfer(&chan->dev->channel[2], 1); 1497 dvb_register_device(adapter, &chan->ci_dev, 1498 &ngene_dvbdev_ci, (void *) chan, 1499 DVB_DEVICE_SEC, 0); 1500 if (!chan->ci_dev) 1501 goto err; 1502 } 1503 1504 if (chan->fe) { 1505 if (dvb_register_frontend(adapter, chan->fe) < 0) 1506 goto err; 1507 chan->has_demux = true; 1508 } 1509 if (chan->fe2) { 1510 if (dvb_register_frontend(adapter, chan->fe2) < 0) 1511 goto err; 1512 if (chan->fe) { 1513 chan->fe2->tuner_priv = chan->fe->tuner_priv; 1514 memcpy(&chan->fe2->ops.tuner_ops, 1515 &chan->fe->ops.tuner_ops, 1516 sizeof(struct dvb_tuner_ops)); 1517 } 1518 } 1519 1520 if (chan->has_demux) { 1521 ret = my_dvb_dmx_ts_card_init(dvbdemux, "SW demux", 1522 ngene_start_feed, 1523 ngene_stop_feed, chan); 1524 ret = my_dvb_dmxdev_ts_card_init(&chan->dmxdev, &chan->demux, 1525 &chan->hw_frontend, 1526 &chan->mem_frontend, adapter); 1527 ret = dvb_net_init(adapter, &chan->dvbnet, &chan->demux.dmx); 1528 } 1529 1530 return ret; 1531 1532err: 1533 if (chan->fe) { 1534 dvb_frontend_detach(chan->fe); 1535 chan->fe = NULL; 1536 } 1537 release_channel(chan); 1538 return 0; 1539} 1540 1541static int init_channels(struct ngene *dev) 1542{ 1543 int i, j; 1544 1545 for (i = 0; i < MAX_STREAM; i++) { 1546 dev->channel[i].number = i; 1547 if (init_channel(&dev->channel[i]) < 0) { 1548 for (j = i - 1; j >= 0; j--) 1549 release_channel(&dev->channel[j]); 1550 return -1; 1551 } 1552 } 1553 return 0; 1554} 1555 1556static const struct cxd2099_cfg cxd_cfgtmpl = { 1557 .bitrate = 62000, 1558 .polarity = 0, 1559 .clock_mode = 0, 1560}; 1561 1562static void cxd_attach(struct ngene *dev) 1563{ 1564 struct device *pdev = &dev->pci_dev->dev; 1565 struct ngene_ci *ci = &dev->ci; 1566 struct cxd2099_cfg cxd_cfg = cxd_cfgtmpl; 1567 struct i2c_client *client; 1568 int ret; 1569 u8 type; 1570 1571 /* check for CXD2099AR presence before attaching */ 1572 ret = ngene_port_has_cxd2099(&dev->channel[0].i2c_adapter, &type); 1573 if (!ret) { 1574 dev_dbg(pdev, "No CXD2099AR found\n"); 1575 return; 1576 } 1577 1578 if (type != 1) { 1579 dev_warn(pdev, "CXD2099AR is uninitialized!\n"); 1580 return; 1581 } 1582 1583 cxd_cfg.en = &ci->en; 1584 client = dvb_module_probe("cxd2099", NULL, 1585 &dev->channel[0].i2c_adapter, 1586 0x40, &cxd_cfg); 1587 if (!client) 1588 goto err; 1589 1590 ci->dev = dev; 1591 dev->channel[0].i2c_client[0] = client; 1592 return; 1593 1594err: 1595 dev_err(pdev, "CXD2099AR attach failed\n"); 1596 return; 1597} 1598 1599static void cxd_detach(struct ngene *dev) 1600{ 1601 struct ngene_ci *ci = &dev->ci; 1602 1603 dvb_ca_en50221_release(ci->en); 1604 1605 dvb_module_release(dev->channel[0].i2c_client[0]); 1606 dev->channel[0].i2c_client[0] = NULL; 1607 ci->en = NULL; 1608} 1609 1610/***********************************/ 1611/* workaround for shutdown failure */ 1612/***********************************/ 1613 1614static void ngene_unlink(struct ngene *dev) 1615{ 1616 struct ngene_command com; 1617 1618 com.cmd.hdr.Opcode = CMD_MEM_WRITE; 1619 com.cmd.hdr.Length = 3; 1620 com.cmd.MemoryWrite.address = 0x910c; 1621 com.cmd.MemoryWrite.data = 0xff; 1622 com.in_len = 3; 1623 com.out_len = 1; 1624 1625 mutex_lock(&dev->cmd_mutex); 1626 ngwritel(0, NGENE_INT_ENABLE); 1627 ngene_command_mutex(dev, &com); 1628 mutex_unlock(&dev->cmd_mutex); 1629} 1630 1631void ngene_shutdown(struct pci_dev *pdev) 1632{ 1633 struct ngene *dev = pci_get_drvdata(pdev); 1634 1635 if (!dev || !shutdown_workaround) 1636 return; 1637 1638 dev_info(&pdev->dev, "shutdown workaround...\n"); 1639 ngene_unlink(dev); 1640 pci_disable_device(pdev); 1641} 1642 1643/****************************************************************************/ 1644/* device probe/remove calls ************************************************/ 1645/****************************************************************************/ 1646 1647void ngene_remove(struct pci_dev *pdev) 1648{ 1649 struct ngene *dev = pci_get_drvdata(pdev); 1650 int i; 1651 1652 cancel_work_sync(&dev->event_bh_work); 1653 for (i = MAX_STREAM - 1; i >= 0; i--) 1654 release_channel(&dev->channel[i]); 1655 if (dev->ci.en) 1656 cxd_detach(dev); 1657 ngene_stop(dev); 1658 ngene_release_buffers(dev); 1659 pci_disable_device(pdev); 1660} 1661 1662int ngene_probe(struct pci_dev *pci_dev, const struct pci_device_id *id) 1663{ 1664 struct ngene *dev; 1665 int stat = 0; 1666 1667 if (pci_enable_device(pci_dev) < 0) 1668 return -ENODEV; 1669 1670 dev = vzalloc(sizeof(struct ngene)); 1671 if (dev == NULL) { 1672 stat = -ENOMEM; 1673 goto fail0; 1674 } 1675 1676 dev->pci_dev = pci_dev; 1677 dev->card_info = (struct ngene_info *)id->driver_data; 1678 dev_info(&pci_dev->dev, "Found %s\n", dev->card_info->name); 1679 1680 pci_set_drvdata(pci_dev, dev); 1681 1682 /* Alloc buffers and start nGene */ 1683 stat = ngene_get_buffers(dev); 1684 if (stat < 0) 1685 goto fail1; 1686 stat = ngene_start(dev); 1687 if (stat < 0) 1688 goto fail1; 1689 1690 cxd_attach(dev); 1691 1692 stat = ngene_buffer_config(dev); 1693 if (stat < 0) 1694 goto fail1; 1695 1696 1697 dev->i2c_current_bus = -1; 1698 1699 /* Register DVB adapters and devices for both channels */ 1700 stat = init_channels(dev); 1701 if (stat < 0) 1702 goto fail2; 1703 1704 return 0; 1705 1706fail2: 1707 ngene_stop(dev); 1708fail1: 1709 ngene_release_buffers(dev); 1710fail0: 1711 pci_disable_device(pci_dev); 1712 return stat; 1713}
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