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Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
[cris-mirror.git] / drivers / media / pci / ngene / ngene-core.c
blob8c92cb7f7e72f7af8ca6411ec60db81c8b95bbaa
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
40 static int one_adapter;
41 module_param(one_adapter, int, 0444);
42 MODULE_PARM_DESC(one_adapter, "Use only one adapter.");
43
44 static int shutdown_workaround;
45 module_param(shutdown_workaround, int, 0644);
46 MODULE_PARM_DESC(shutdown_workaround, "Activate workaround for shutdown problem with some chipsets.");
47
48 static int debug;
49 module_param(debug, int, 0444);
50 MODULE_PARM_DESC(debug, "Print debugging information.");
51
52 DVB_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
68 static 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
86 static 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
173 static 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
250 static 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
267 static 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
335 int 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
346 static 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
380 static 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
395 static 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
411 int 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
448 static 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 */
457 static u8 I2SConfiguration[] = {
458 0x00, 0x10, 0x00, 0x00,
459 0x80, 0x10, 0x00, 0x00,
460 };
461
462 static 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
468 static u8 TS_I2SConfiguration[4] = { 0x3E, 0x18, 0x00, 0x00 };
469
470 static u8 TS_I2SOutConfiguration[4] = { 0x80, 0x04, 0x00, 0x00 };
471
472 static 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) */
490 static u8 ITUFeatureDecoderSetup[8] = {
491 0x00, 0x00, 0x00, 0x00, 0x00, 0x78, 0x04, 0x00
492 };
493
494 void 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
510 static 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
522 static 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
553 static 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
696 void 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
769 static 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
798 static 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
816 static 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
844 static 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
896 static 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
1005 static 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
1031 static 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
1039 static 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
1047 static u32 Buffer2Sizes[MAX_STREAM] = {
1048 MAX_VBI_BUFFER_SIZE,
1049 MAX_VBI_BUFFER_SIZE,
1050 0,
1051 0,
1052 0
1053 };
1054
1055
1056 static 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
1146 static 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
1158 static 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
1196 static 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
1221 static 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
1280 static 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
1299 static 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
1328 static 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
1394 fail:
1395 ngwritel(0, NGENE_INT_ENABLE);
1396 free_irq(dev->pci_dev->irq, dev);
1397 #ifdef CONFIG_PCI_MSI
1398 fail2:
1399 if (dev->msi_enabled)
1400 pci_disable_msi(dev->pci_dev);
1401 #endif
1402 return stat;
1403 }
1404
1405 /****************************************************************************/
1406 /****************************************************************************/
1407 /****************************************************************************/
1408
1409 static 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
1451 static 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
1541 err:
1542 if (chan->fe) {
1543 dvb_frontend_detach(chan->fe);
1544 chan->fe = NULL;
1545 }
1546 release_channel(chan);
1547 return 0;
1548 }
1549
1550 static 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
1565 static struct cxd2099_cfg cxd_cfg = {
1566 .bitrate = 62000,
1567 .adr = 0x40,
1568 .polarity = 0,
1569 .clock_mode = 0,
1570 };
1571
1572 static 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
1581 static 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
1594 static 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
1611 void 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
1627 void 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
1642 int 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
1686 fail2:
1687 ngene_stop(dev);
1688 fail1:
1689 ngene_release_buffers(dev);
1690 fail0:
1691 pci_disable_device(pci_dev);
1692 return stat;
1693 }
CRIS linux kernel tree