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PM / sleep: Asynchronous threads for suspend_noirq
[linux/fpc-iii.git] / drivers / media / pci / ngene / ngene-core.c
blob970e83308525b3a0ec74cbcb5d694516d3d2d444
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 *
23 * You should have received a copy of the GNU General Public License
24 * along with this program; if not, write to the Free Software
25 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
26 * 02110-1301, USA
27 * Or, point your browser to http://www.gnu.org/copyleft/gpl.html
28 */
29
30 #include <linux/module.h>
31 #include <linux/init.h>
32 #include <linux/delay.h>
33 #include <linux/poll.h>
34 #include <linux/io.h>
35 #include <asm/div64.h>
36 #include <linux/pci.h>
37 #include <linux/timer.h>
38 #include <linux/byteorder/generic.h>
39 #include <linux/firmware.h>
40 #include <linux/vmalloc.h>
41
42 #include "ngene.h"
43
44 static int one_adapter;
45 module_param(one_adapter, int, 0444);
46 MODULE_PARM_DESC(one_adapter, "Use only one adapter.");
47
48 static int shutdown_workaround;
49 module_param(shutdown_workaround, int, 0644);
50 MODULE_PARM_DESC(shutdown_workaround, "Activate workaround for shutdown problem with some chipsets.");
51
52 static int debug;
53 module_param(debug, int, 0444);
54 MODULE_PARM_DESC(debug, "Print debugging information.");
55
56 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
57
58 #define dprintk if (debug) printk
59
60 #define ngwriteb(dat, adr) writeb((dat), (char *)(dev->iomem + (adr)))
61 #define ngwritel(dat, adr) writel((dat), (char *)(dev->iomem + (adr)))
62 #define ngwriteb(dat, adr) writeb((dat), (char *)(dev->iomem + (adr)))
63 #define ngreadl(adr) readl(dev->iomem + (adr))
64 #define ngreadb(adr) readb(dev->iomem + (adr))
65 #define ngcpyto(adr, src, count) memcpy_toio((char *) \
66 (dev->iomem + (adr)), (src), (count))
67 #define ngcpyfrom(dst, adr, count) memcpy_fromio((dst), (char *) \
68 (dev->iomem + (adr)), (count))
69
70 /****************************************************************************/
71 /* nGene interrupt handler **************************************************/
72 /****************************************************************************/
73
74 static void event_tasklet(unsigned long data)
75 {
76 struct ngene *dev = (struct ngene *)data;
77
78 while (dev->EventQueueReadIndex != dev->EventQueueWriteIndex) {
79 struct EVENT_BUFFER Event =
80 dev->EventQueue[dev->EventQueueReadIndex];
81 dev->EventQueueReadIndex =
82 (dev->EventQueueReadIndex + 1) & (EVENT_QUEUE_SIZE - 1);
83
84 if ((Event.UARTStatus & 0x01) && (dev->TxEventNotify))
85 dev->TxEventNotify(dev, Event.TimeStamp);
86 if ((Event.UARTStatus & 0x02) && (dev->RxEventNotify))
87 dev->RxEventNotify(dev, Event.TimeStamp,
88 Event.RXCharacter);
89 }
90 }
91
92 static void demux_tasklet(unsigned long data)
93 {
94 struct ngene_channel *chan = (struct ngene_channel *)data;
95 struct SBufferHeader *Cur = chan->nextBuffer;
96
97 spin_lock_irq(&chan->state_lock);
98
99 while (Cur->ngeneBuffer.SR.Flags & 0x80) {
100 if (chan->mode & NGENE_IO_TSOUT) {
101 u32 Flags = chan->DataFormatFlags;
102 if (Cur->ngeneBuffer.SR.Flags & 0x20)
103 Flags |= BEF_OVERFLOW;
104 if (chan->pBufferExchange) {
105 if (!chan->pBufferExchange(chan,
106 Cur->Buffer1,
107 chan->Capture1Length,
108 Cur->ngeneBuffer.SR.
109 Clock, Flags)) {
110 /*
111 We didn't get data
112 Clear in service flag to make sure we
113 get called on next interrupt again.
114 leave fill/empty (0x80) flag alone
115 to avoid hardware running out of
116 buffers during startup, we hold only
117 in run state ( the source may be late
118 delivering data )
119 */
120
121 if (chan->HWState == HWSTATE_RUN) {
122 Cur->ngeneBuffer.SR.Flags &=
123 ~0x40;
124 break;
125 /* Stop processing stream */
126 }
127 } else {
128 /* We got a valid buffer,
129 so switch to run state */
130 chan->HWState = HWSTATE_RUN;
131 }
132 } else {
133 printk(KERN_ERR DEVICE_NAME ": OOPS\n");
134 if (chan->HWState == HWSTATE_RUN) {
135 Cur->ngeneBuffer.SR.Flags &= ~0x40;
136 break; /* Stop processing stream */
137 }
138 }
139 if (chan->AudioDTOUpdated) {
140 printk(KERN_INFO DEVICE_NAME
141 ": Update AudioDTO = %d\n",
142 chan->AudioDTOValue);
143 Cur->ngeneBuffer.SR.DTOUpdate =
144 chan->AudioDTOValue;
145 chan->AudioDTOUpdated = 0;
146 }
147 } else {
148 if (chan->HWState == HWSTATE_RUN) {
149 u32 Flags = chan->DataFormatFlags;
150 IBufferExchange *exch1 = chan->pBufferExchange;
151 IBufferExchange *exch2 = chan->pBufferExchange2;
152 if (Cur->ngeneBuffer.SR.Flags & 0x01)
153 Flags |= BEF_EVEN_FIELD;
154 if (Cur->ngeneBuffer.SR.Flags & 0x20)
155 Flags |= BEF_OVERFLOW;
156 spin_unlock_irq(&chan->state_lock);
157 if (exch1)
158 exch1(chan, Cur->Buffer1,
159 chan->Capture1Length,
160 Cur->ngeneBuffer.SR.Clock,
161 Flags);
162 if (exch2)
163 exch2(chan, Cur->Buffer2,
164 chan->Capture2Length,
165 Cur->ngeneBuffer.SR.Clock,
166 Flags);
167 spin_lock_irq(&chan->state_lock);
168 } else if (chan->HWState != HWSTATE_STOP)
169 chan->HWState = HWSTATE_RUN;
170 }
171 Cur->ngeneBuffer.SR.Flags = 0x00;
172 Cur = Cur->Next;
173 }
174 chan->nextBuffer = Cur;
175
176 spin_unlock_irq(&chan->state_lock);
177 }
178
179 static irqreturn_t irq_handler(int irq, void *dev_id)
180 {
181 struct ngene *dev = (struct ngene *)dev_id;
182 u32 icounts = 0;
183 irqreturn_t rc = IRQ_NONE;
184 u32 i = MAX_STREAM;
185 u8 *tmpCmdDoneByte;
186
187 if (dev->BootFirmware) {
188 icounts = ngreadl(NGENE_INT_COUNTS);
189 if (icounts != dev->icounts) {
190 ngwritel(0, FORCE_NMI);
191 dev->cmd_done = 1;
192 wake_up(&dev->cmd_wq);
193 dev->icounts = icounts;
194 rc = IRQ_HANDLED;
195 }
196 return rc;
197 }
198
199 ngwritel(0, FORCE_NMI);
200
201 spin_lock(&dev->cmd_lock);
202 tmpCmdDoneByte = dev->CmdDoneByte;
203 if (tmpCmdDoneByte &&
204 (*tmpCmdDoneByte ||
205 (dev->ngenetohost[0] == 1 && dev->ngenetohost[1] != 0))) {
206 dev->CmdDoneByte = NULL;
207 dev->cmd_done = 1;
208 wake_up(&dev->cmd_wq);
209 rc = IRQ_HANDLED;
210 }
211 spin_unlock(&dev->cmd_lock);
212
213 if (dev->EventBuffer->EventStatus & 0x80) {
214 u8 nextWriteIndex =
215 (dev->EventQueueWriteIndex + 1) &
216 (EVENT_QUEUE_SIZE - 1);
217 if (nextWriteIndex != dev->EventQueueReadIndex) {
218 dev->EventQueue[dev->EventQueueWriteIndex] =
219 *(dev->EventBuffer);
220 dev->EventQueueWriteIndex = nextWriteIndex;
221 } else {
222 printk(KERN_ERR DEVICE_NAME ": event overflow\n");
223 dev->EventQueueOverflowCount += 1;
224 dev->EventQueueOverflowFlag = 1;
225 }
226 dev->EventBuffer->EventStatus &= ~0x80;
227 tasklet_schedule(&dev->event_tasklet);
228 rc = IRQ_HANDLED;
229 }
230
231 while (i > 0) {
232 i--;
233 spin_lock(&dev->channel[i].state_lock);
234 /* if (dev->channel[i].State>=KSSTATE_RUN) { */
235 if (dev->channel[i].nextBuffer) {
236 if ((dev->channel[i].nextBuffer->
237 ngeneBuffer.SR.Flags & 0xC0) == 0x80) {
238 dev->channel[i].nextBuffer->
239 ngeneBuffer.SR.Flags |= 0x40;
240 tasklet_schedule(
241 &dev->channel[i].demux_tasklet);
242 rc = IRQ_HANDLED;
243 }
244 }
245 spin_unlock(&dev->channel[i].state_lock);
246 }
247
248 /* Request might have been processed by a previous call. */
249 return IRQ_HANDLED;
250 }
251
252 /****************************************************************************/
253 /* nGene command interface **************************************************/
254 /****************************************************************************/
255
256 static void dump_command_io(struct ngene *dev)
257 {
258 u8 buf[8], *b;
259
260 ngcpyfrom(buf, HOST_TO_NGENE, 8);
261 printk(KERN_ERR "host_to_ngene (%04x): %*ph\n", HOST_TO_NGENE, 8, buf);
262
263 ngcpyfrom(buf, NGENE_TO_HOST, 8);
264 printk(KERN_ERR "ngene_to_host (%04x): %*ph\n", NGENE_TO_HOST, 8, buf);
265
266 b = dev->hosttongene;
267 printk(KERN_ERR "dev->hosttongene (%p): %*ph\n", b, 8, b);
268
269 b = dev->ngenetohost;
270 printk(KERN_ERR "dev->ngenetohost (%p): %*ph\n", b, 8, b);
271 }
272
273 static int ngene_command_mutex(struct ngene *dev, struct ngene_command *com)
274 {
275 int ret;
276 u8 *tmpCmdDoneByte;
277
278 dev->cmd_done = 0;
279
280 if (com->cmd.hdr.Opcode == CMD_FWLOAD_PREPARE) {
281 dev->BootFirmware = 1;
282 dev->icounts = ngreadl(NGENE_INT_COUNTS);
283 ngwritel(0, NGENE_COMMAND);
284 ngwritel(0, NGENE_COMMAND_HI);
285 ngwritel(0, NGENE_STATUS);
286 ngwritel(0, NGENE_STATUS_HI);
287 ngwritel(0, NGENE_EVENT);
288 ngwritel(0, NGENE_EVENT_HI);
289 } else if (com->cmd.hdr.Opcode == CMD_FWLOAD_FINISH) {
290 u64 fwio = dev->PAFWInterfaceBuffer;
291
292 ngwritel(fwio & 0xffffffff, NGENE_COMMAND);
293 ngwritel(fwio >> 32, NGENE_COMMAND_HI);
294 ngwritel((fwio + 256) & 0xffffffff, NGENE_STATUS);
295 ngwritel((fwio + 256) >> 32, NGENE_STATUS_HI);
296 ngwritel((fwio + 512) & 0xffffffff, NGENE_EVENT);
297 ngwritel((fwio + 512) >> 32, NGENE_EVENT_HI);
298 }
299
300 memcpy(dev->FWInterfaceBuffer, com->cmd.raw8, com->in_len + 2);
301
302 if (dev->BootFirmware)
303 ngcpyto(HOST_TO_NGENE, com->cmd.raw8, com->in_len + 2);
304
305 spin_lock_irq(&dev->cmd_lock);
306 tmpCmdDoneByte = dev->ngenetohost + com->out_len;
307 if (!com->out_len)
308 tmpCmdDoneByte++;
309 *tmpCmdDoneByte = 0;
310 dev->ngenetohost[0] = 0;
311 dev->ngenetohost[1] = 0;
312 dev->CmdDoneByte = tmpCmdDoneByte;
313 spin_unlock_irq(&dev->cmd_lock);
314
315 /* Notify 8051. */
316 ngwritel(1, FORCE_INT);
317
318 ret = wait_event_timeout(dev->cmd_wq, dev->cmd_done == 1, 2 * HZ);
319 if (!ret) {
320 /*ngwritel(0, FORCE_NMI);*/
321
322 printk(KERN_ERR DEVICE_NAME
323 ": Command timeout cmd=%02x prev=%02x\n",
324 com->cmd.hdr.Opcode, dev->prev_cmd);
325 dump_command_io(dev);
326 return -1;
327 }
328 if (com->cmd.hdr.Opcode == CMD_FWLOAD_FINISH)
329 dev->BootFirmware = 0;
330
331 dev->prev_cmd = com->cmd.hdr.Opcode;
332
333 if (!com->out_len)
334 return 0;
335
336 memcpy(com->cmd.raw8, dev->ngenetohost, com->out_len);
337
338 return 0;
339 }
340
341 int ngene_command(struct ngene *dev, struct ngene_command *com)
342 {
343 int result;
344
345 down(&dev->cmd_mutex);
346 result = ngene_command_mutex(dev, com);
347 up(&dev->cmd_mutex);
348 return result;
349 }
350
351
352 static int ngene_command_load_firmware(struct ngene *dev,
353 u8 *ngene_fw, u32 size)
354 {
355 #define FIRSTCHUNK (1024)
356 u32 cleft;
357 struct ngene_command com;
358
359 com.cmd.hdr.Opcode = CMD_FWLOAD_PREPARE;
360 com.cmd.hdr.Length = 0;
361 com.in_len = 0;
362 com.out_len = 0;
363
364 ngene_command(dev, &com);
365
366 cleft = (size + 3) & ~3;
367 if (cleft > FIRSTCHUNK) {
368 ngcpyto(PROGRAM_SRAM + FIRSTCHUNK, ngene_fw + FIRSTCHUNK,
369 cleft - FIRSTCHUNK);
370 cleft = FIRSTCHUNK;
371 }
372 ngcpyto(DATA_FIFO_AREA, ngene_fw, cleft);
373
374 memset(&com, 0, sizeof(struct ngene_command));
375 com.cmd.hdr.Opcode = CMD_FWLOAD_FINISH;
376 com.cmd.hdr.Length = 4;
377 com.cmd.FWLoadFinish.Address = DATA_FIFO_AREA;
378 com.cmd.FWLoadFinish.Length = (unsigned short)cleft;
379 com.in_len = 4;
380 com.out_len = 0;
381
382 return ngene_command(dev, &com);
383 }
384
385
386 static int ngene_command_config_buf(struct ngene *dev, u8 config)
387 {
388 struct ngene_command com;
389
390 com.cmd.hdr.Opcode = CMD_CONFIGURE_BUFFER;
391 com.cmd.hdr.Length = 1;
392 com.cmd.ConfigureBuffers.config = config;
393 com.in_len = 1;
394 com.out_len = 0;
395
396 if (ngene_command(dev, &com) < 0)
397 return -EIO;
398 return 0;
399 }
400
401 static int ngene_command_config_free_buf(struct ngene *dev, u8 *config)
402 {
403 struct ngene_command com;
404
405 com.cmd.hdr.Opcode = CMD_CONFIGURE_FREE_BUFFER;
406 com.cmd.hdr.Length = 6;
407 memcpy(&com.cmd.ConfigureBuffers.config, config, 6);
408 com.in_len = 6;
409 com.out_len = 0;
410
411 if (ngene_command(dev, &com) < 0)
412 return -EIO;
413
414 return 0;
415 }
416
417 int ngene_command_gpio_set(struct ngene *dev, u8 select, u8 level)
418 {
419 struct ngene_command com;
420
421 com.cmd.hdr.Opcode = CMD_SET_GPIO_PIN;
422 com.cmd.hdr.Length = 1;
423 com.cmd.SetGpioPin.select = select | (level << 7);
424 com.in_len = 1;
425 com.out_len = 0;
426
427 return ngene_command(dev, &com);
428 }
429
430
431 /*
432 02000640 is sample on rising edge.
433 02000740 is sample on falling edge.
434 02000040 is ignore "valid" signal
435
436 0: FD_CTL1 Bit 7,6 must be 0,1
437 7 disable(fw controlled)
438 6 0-AUX,1-TS
439 5 0-par,1-ser
440 4 0-lsb/1-msb
441 3,2 reserved
442 1,0 0-no sync, 1-use ext. start, 2-use 0x47, 3-both
443 1: FD_CTL2 has 3-valid must be hi, 2-use valid, 1-edge
444 2: FD_STA is read-only. 0-sync
445 3: FD_INSYNC is number of 47s to trigger "in sync".
446 4: FD_OUTSYNC is number of 47s to trigger "out of sync".
447 5: FD_MAXBYTE1 is low-order of bytes per packet.
448 6: FD_MAXBYTE2 is high-order of bytes per packet.
449 7: Top byte is unused.
450 */
451
452 /****************************************************************************/
453
454 static u8 TSFeatureDecoderSetup[8 * 5] = {
455 0x42, 0x00, 0x00, 0x02, 0x02, 0xbc, 0x00, 0x00,
456 0x40, 0x06, 0x00, 0x02, 0x02, 0xbc, 0x00, 0x00, /* DRXH */
457 0x71, 0x07, 0x00, 0x02, 0x02, 0xbc, 0x00, 0x00, /* DRXHser */
458 0x72, 0x00, 0x00, 0x02, 0x02, 0xbc, 0x00, 0x00, /* S2ser */
459 0x40, 0x07, 0x00, 0x02, 0x02, 0xbc, 0x00, 0x00, /* LGDT3303 */
460 };
461
462 /* Set NGENE I2S Config to 16 bit packed */
463 static u8 I2SConfiguration[] = {
464 0x00, 0x10, 0x00, 0x00,
465 0x80, 0x10, 0x00, 0x00,
466 };
467
468 static u8 SPDIFConfiguration[10] = {
469 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
470 };
471
472 /* Set NGENE I2S Config to transport stream compatible mode */
473
474 static u8 TS_I2SConfiguration[4] = { 0x3E, 0x18, 0x00, 0x00 };
475
476 static u8 TS_I2SOutConfiguration[4] = { 0x80, 0x04, 0x00, 0x00 };
477
478 static u8 ITUDecoderSetup[4][16] = {
479 {0x1c, 0x13, 0x01, 0x68, 0x3d, 0x90, 0x14, 0x20, /* SDTV */
480 0x00, 0x00, 0x01, 0xb0, 0x9c, 0x00, 0x00, 0x00},
481 {0x9c, 0x03, 0x23, 0xC0, 0x60, 0x0E, 0x13, 0x00,
482 0x00, 0x00, 0x00, 0x01, 0xB0, 0x00, 0x00, 0x00},
483 {0x9f, 0x00, 0x23, 0xC0, 0x60, 0x0F, 0x13, 0x00, /* HDTV 1080i50 */
484 0x00, 0x00, 0x00, 0x01, 0xB0, 0x00, 0x00, 0x00},
485 {0x9c, 0x01, 0x23, 0xC0, 0x60, 0x0E, 0x13, 0x00, /* HDTV 1080i60 */
486 0x00, 0x00, 0x00, 0x01, 0xB0, 0x00, 0x00, 0x00},
487 };
488
489 /*
490 * 50 48 60 gleich
491 * 27p50 9f 00 22 80 42 69 18 ...
492 * 27p60 93 00 22 80 82 69 1c ...
493 */
494
495 /* Maxbyte to 1144 (for raw data) */
496 static u8 ITUFeatureDecoderSetup[8] = {
497 0x00, 0x00, 0x00, 0x00, 0x00, 0x78, 0x04, 0x00
498 };
499
500 void FillTSBuffer(void *Buffer, int Length, u32 Flags)
501 {
502 u32 *ptr = Buffer;
503
504 memset(Buffer, TS_FILLER, Length);
505 while (Length > 0) {
506 if (Flags & DF_SWAP32)
507 *ptr = 0x471FFF10;
508 else
509 *ptr = 0x10FF1F47;
510 ptr += (188 / 4);
511 Length -= 188;
512 }
513 }
514
515
516 static void flush_buffers(struct ngene_channel *chan)
517 {
518 u8 val;
519
520 do {
521 msleep(1);
522 spin_lock_irq(&chan->state_lock);
523 val = chan->nextBuffer->ngeneBuffer.SR.Flags & 0x80;
524 spin_unlock_irq(&chan->state_lock);
525 } while (val);
526 }
527
528 static void clear_buffers(struct ngene_channel *chan)
529 {
530 struct SBufferHeader *Cur = chan->nextBuffer;
531
532 do {
533 memset(&Cur->ngeneBuffer.SR, 0, sizeof(Cur->ngeneBuffer.SR));
534 if (chan->mode & NGENE_IO_TSOUT)
535 FillTSBuffer(Cur->Buffer1,
536 chan->Capture1Length,
537 chan->DataFormatFlags);
538 Cur = Cur->Next;
539 } while (Cur != chan->nextBuffer);
540
541 if (chan->mode & NGENE_IO_TSOUT) {
542 chan->nextBuffer->ngeneBuffer.SR.DTOUpdate =
543 chan->AudioDTOValue;
544 chan->AudioDTOUpdated = 0;
545
546 Cur = chan->TSIdleBuffer.Head;
547
548 do {
549 memset(&Cur->ngeneBuffer.SR, 0,
550 sizeof(Cur->ngeneBuffer.SR));
551 FillTSBuffer(Cur->Buffer1,
552 chan->Capture1Length,
553 chan->DataFormatFlags);
554 Cur = Cur->Next;
555 } while (Cur != chan->TSIdleBuffer.Head);
556 }
557 }
558
559 static int ngene_command_stream_control(struct ngene *dev, u8 stream,
560 u8 control, u8 mode, u8 flags)
561 {
562 struct ngene_channel *chan = &dev->channel[stream];
563 struct ngene_command com;
564 u16 BsUVI = ((stream & 1) ? 0x9400 : 0x9300);
565 u16 BsSDI = ((stream & 1) ? 0x9600 : 0x9500);
566 u16 BsSPI = ((stream & 1) ? 0x9800 : 0x9700);
567 u16 BsSDO = 0x9B00;
568
569 down(&dev->stream_mutex);
570 memset(&com, 0, sizeof(com));
571 com.cmd.hdr.Opcode = CMD_CONTROL;
572 com.cmd.hdr.Length = sizeof(struct FW_STREAM_CONTROL) - 2;
573 com.cmd.StreamControl.Stream = stream | (control ? 8 : 0);
574 if (chan->mode & NGENE_IO_TSOUT)
575 com.cmd.StreamControl.Stream |= 0x07;
576 com.cmd.StreamControl.Control = control |
577 (flags & SFLAG_ORDER_LUMA_CHROMA);
578 com.cmd.StreamControl.Mode = mode;
579 com.in_len = sizeof(struct FW_STREAM_CONTROL);
580 com.out_len = 0;
581
582 dprintk(KERN_INFO DEVICE_NAME
583 ": Stream=%02x, Control=%02x, Mode=%02x\n",
584 com.cmd.StreamControl.Stream, com.cmd.StreamControl.Control,
585 com.cmd.StreamControl.Mode);
586
587 chan->Mode = mode;
588
589 if (!(control & 0x80)) {
590 spin_lock_irq(&chan->state_lock);
591 if (chan->State == KSSTATE_RUN) {
592 chan->State = KSSTATE_ACQUIRE;
593 chan->HWState = HWSTATE_STOP;
594 spin_unlock_irq(&chan->state_lock);
595 if (ngene_command(dev, &com) < 0) {
596 up(&dev->stream_mutex);
597 return -1;
598 }
599 /* clear_buffers(chan); */
600 flush_buffers(chan);
601 up(&dev->stream_mutex);
602 return 0;
603 }
604 spin_unlock_irq(&chan->state_lock);
605 up(&dev->stream_mutex);
606 return 0;
607 }
608
609 if (mode & SMODE_AUDIO_CAPTURE) {
610 com.cmd.StreamControl.CaptureBlockCount =
611 chan->Capture1Length / AUDIO_BLOCK_SIZE;
612 com.cmd.StreamControl.Buffer_Address = chan->RingBuffer.PAHead;
613 } else if (mode & SMODE_TRANSPORT_STREAM) {
614 com.cmd.StreamControl.CaptureBlockCount =
615 chan->Capture1Length / TS_BLOCK_SIZE;
616 com.cmd.StreamControl.MaxLinesPerField =
617 chan->Capture1Length / TS_BLOCK_SIZE;
618 com.cmd.StreamControl.Buffer_Address =
619 chan->TSRingBuffer.PAHead;
620 if (chan->mode & NGENE_IO_TSOUT) {
621 com.cmd.StreamControl.BytesPerVBILine =
622 chan->Capture1Length / TS_BLOCK_SIZE;
623 com.cmd.StreamControl.Stream |= 0x07;
624 }
625 } else {
626 com.cmd.StreamControl.BytesPerVideoLine = chan->nBytesPerLine;
627 com.cmd.StreamControl.MaxLinesPerField = chan->nLines;
628 com.cmd.StreamControl.MinLinesPerField = 100;
629 com.cmd.StreamControl.Buffer_Address = chan->RingBuffer.PAHead;
630
631 if (mode & SMODE_VBI_CAPTURE) {
632 com.cmd.StreamControl.MaxVBILinesPerField =
633 chan->nVBILines;
634 com.cmd.StreamControl.MinVBILinesPerField = 0;
635 com.cmd.StreamControl.BytesPerVBILine =
636 chan->nBytesPerVBILine;
637 }
638 if (flags & SFLAG_COLORBAR)
639 com.cmd.StreamControl.Stream |= 0x04;
640 }
641
642 spin_lock_irq(&chan->state_lock);
643 if (mode & SMODE_AUDIO_CAPTURE) {
644 chan->nextBuffer = chan->RingBuffer.Head;
645 if (mode & SMODE_AUDIO_SPDIF) {
646 com.cmd.StreamControl.SetupDataLen =
647 sizeof(SPDIFConfiguration);
648 com.cmd.StreamControl.SetupDataAddr = BsSPI;
649 memcpy(com.cmd.StreamControl.SetupData,
650 SPDIFConfiguration, sizeof(SPDIFConfiguration));
651 } else {
652 com.cmd.StreamControl.SetupDataLen = 4;
653 com.cmd.StreamControl.SetupDataAddr = BsSDI;
654 memcpy(com.cmd.StreamControl.SetupData,
655 I2SConfiguration +
656 4 * dev->card_info->i2s[stream], 4);
657 }
658 } else if (mode & SMODE_TRANSPORT_STREAM) {
659 chan->nextBuffer = chan->TSRingBuffer.Head;
660 if (stream >= STREAM_AUDIOIN1) {
661 if (chan->mode & NGENE_IO_TSOUT) {
662 com.cmd.StreamControl.SetupDataLen =
663 sizeof(TS_I2SOutConfiguration);
664 com.cmd.StreamControl.SetupDataAddr = BsSDO;
665 memcpy(com.cmd.StreamControl.SetupData,
666 TS_I2SOutConfiguration,
667 sizeof(TS_I2SOutConfiguration));
668 } else {
669 com.cmd.StreamControl.SetupDataLen =
670 sizeof(TS_I2SConfiguration);
671 com.cmd.StreamControl.SetupDataAddr = BsSDI;
672 memcpy(com.cmd.StreamControl.SetupData,
673 TS_I2SConfiguration,
674 sizeof(TS_I2SConfiguration));
675 }
676 } else {
677 com.cmd.StreamControl.SetupDataLen = 8;
678 com.cmd.StreamControl.SetupDataAddr = BsUVI + 0x10;
679 memcpy(com.cmd.StreamControl.SetupData,
680 TSFeatureDecoderSetup +
681 8 * dev->card_info->tsf[stream], 8);
682 }
683 } else {
684 chan->nextBuffer = chan->RingBuffer.Head;
685 com.cmd.StreamControl.SetupDataLen =
686 16 + sizeof(ITUFeatureDecoderSetup);
687 com.cmd.StreamControl.SetupDataAddr = BsUVI;
688 memcpy(com.cmd.StreamControl.SetupData,
689 ITUDecoderSetup[chan->itumode], 16);
690 memcpy(com.cmd.StreamControl.SetupData + 16,
691 ITUFeatureDecoderSetup, sizeof(ITUFeatureDecoderSetup));
692 }
693 clear_buffers(chan);
694 chan->State = KSSTATE_RUN;
695 if (mode & SMODE_TRANSPORT_STREAM)
696 chan->HWState = HWSTATE_RUN;
697 else
698 chan->HWState = HWSTATE_STARTUP;
699 spin_unlock_irq(&chan->state_lock);
700
701 if (ngene_command(dev, &com) < 0) {
702 up(&dev->stream_mutex);
703 return -1;
704 }
705 up(&dev->stream_mutex);
706 return 0;
707 }
708
709 void set_transfer(struct ngene_channel *chan, int state)
710 {
711 u8 control = 0, mode = 0, flags = 0;
712 struct ngene *dev = chan->dev;
713 int ret;
714
715 /*
716 printk(KERN_INFO DEVICE_NAME ": st %d\n", state);
717 msleep(100);
718 */
719
720 if (state) {
721 if (chan->running) {
722 printk(KERN_INFO DEVICE_NAME ": already running\n");
723 return;
724 }
725 } else {
726 if (!chan->running) {
727 printk(KERN_INFO DEVICE_NAME ": already stopped\n");
728 return;
729 }
730 }
731
732 if (dev->card_info->switch_ctrl)
733 dev->card_info->switch_ctrl(chan, 1, state ^ 1);
734
735 if (state) {
736 spin_lock_irq(&chan->state_lock);
737
738 /* printk(KERN_INFO DEVICE_NAME ": lock=%08x\n",
739 ngreadl(0x9310)); */
740 dvb_ringbuffer_flush(&dev->tsout_rbuf);
741 control = 0x80;
742 if (chan->mode & (NGENE_IO_TSIN | NGENE_IO_TSOUT)) {
743 chan->Capture1Length = 512 * 188;
744 mode = SMODE_TRANSPORT_STREAM;
745 }
746 if (chan->mode & NGENE_IO_TSOUT) {
747 chan->pBufferExchange = tsout_exchange;
748 /* 0x66666666 = 50MHz *2^33 /250MHz */
749 chan->AudioDTOValue = 0x80000000;
750 chan->AudioDTOUpdated = 1;
751 }
752 if (chan->mode & NGENE_IO_TSIN)
753 chan->pBufferExchange = tsin_exchange;
754 spin_unlock_irq(&chan->state_lock);
755 }
756 /* else printk(KERN_INFO DEVICE_NAME ": lock=%08x\n",
757 ngreadl(0x9310)); */
758
759 ret = ngene_command_stream_control(dev, chan->number,
760 control, mode, flags);
761 if (!ret)
762 chan->running = state;
763 else
764 printk(KERN_ERR DEVICE_NAME ": set_transfer %d failed\n",
765 state);
766 if (!state) {
767 spin_lock_irq(&chan->state_lock);
768 chan->pBufferExchange = NULL;
769 dvb_ringbuffer_flush(&dev->tsout_rbuf);
770 spin_unlock_irq(&chan->state_lock);
771 }
772 }
773
774
775 /****************************************************************************/
776 /* nGene hardware init and release functions ********************************/
777 /****************************************************************************/
778
779 static void free_ringbuffer(struct ngene *dev, struct SRingBufferDescriptor *rb)
780 {
781 struct SBufferHeader *Cur = rb->Head;
782 u32 j;
783
784 if (!Cur)
785 return;
786
787 for (j = 0; j < rb->NumBuffers; j++, Cur = Cur->Next) {
788 if (Cur->Buffer1)
789 pci_free_consistent(dev->pci_dev,
790 rb->Buffer1Length,
791 Cur->Buffer1,
792 Cur->scList1->Address);
793
794 if (Cur->Buffer2)
795 pci_free_consistent(dev->pci_dev,
796 rb->Buffer2Length,
797 Cur->Buffer2,
798 Cur->scList2->Address);
799 }
800
801 if (rb->SCListMem)
802 pci_free_consistent(dev->pci_dev, rb->SCListMemSize,
803 rb->SCListMem, rb->PASCListMem);
804
805 pci_free_consistent(dev->pci_dev, rb->MemSize, rb->Head, rb->PAHead);
806 }
807
808 static void free_idlebuffer(struct ngene *dev,
809 struct SRingBufferDescriptor *rb,
810 struct SRingBufferDescriptor *tb)
811 {
812 int j;
813 struct SBufferHeader *Cur = tb->Head;
814
815 if (!rb->Head)
816 return;
817 free_ringbuffer(dev, rb);
818 for (j = 0; j < tb->NumBuffers; j++, Cur = Cur->Next) {
819 Cur->Buffer2 = NULL;
820 Cur->scList2 = NULL;
821 Cur->ngeneBuffer.Address_of_first_entry_2 = 0;
822 Cur->ngeneBuffer.Number_of_entries_2 = 0;
823 }
824 }
825
826 static void free_common_buffers(struct ngene *dev)
827 {
828 u32 i;
829 struct ngene_channel *chan;
830
831 for (i = STREAM_VIDEOIN1; i < MAX_STREAM; i++) {
832 chan = &dev->channel[i];
833 free_idlebuffer(dev, &chan->TSIdleBuffer, &chan->TSRingBuffer);
834 free_ringbuffer(dev, &chan->RingBuffer);
835 free_ringbuffer(dev, &chan->TSRingBuffer);
836 }
837
838 if (dev->OverflowBuffer)
839 pci_free_consistent(dev->pci_dev,
840 OVERFLOW_BUFFER_SIZE,
841 dev->OverflowBuffer, dev->PAOverflowBuffer);
842
843 if (dev->FWInterfaceBuffer)
844 pci_free_consistent(dev->pci_dev,
845 4096,
846 dev->FWInterfaceBuffer,
847 dev->PAFWInterfaceBuffer);
848 }
849
850 /****************************************************************************/
851 /* Ring buffer handling *****************************************************/
852 /****************************************************************************/
853
854 static int create_ring_buffer(struct pci_dev *pci_dev,
855 struct SRingBufferDescriptor *descr, u32 NumBuffers)
856 {
857 dma_addr_t tmp;
858 struct SBufferHeader *Head;
859 u32 i;
860 u32 MemSize = SIZEOF_SBufferHeader * NumBuffers;
861 u64 PARingBufferHead;
862 u64 PARingBufferCur;
863 u64 PARingBufferNext;
864 struct SBufferHeader *Cur, *Next;
865
866 descr->Head = NULL;
867 descr->MemSize = 0;
868 descr->PAHead = 0;
869 descr->NumBuffers = 0;
870
871 if (MemSize < 4096)
872 MemSize = 4096;
873
874 Head = pci_alloc_consistent(pci_dev, MemSize, &tmp);
875 PARingBufferHead = tmp;
876
877 if (!Head)
878 return -ENOMEM;
879
880 memset(Head, 0, MemSize);
881
882 PARingBufferCur = PARingBufferHead;
883 Cur = Head;
884
885 for (i = 0; i < NumBuffers - 1; i++) {
886 Next = (struct SBufferHeader *)
887 (((u8 *) Cur) + SIZEOF_SBufferHeader);
888 PARingBufferNext = PARingBufferCur + SIZEOF_SBufferHeader;
889 Cur->Next = Next;
890 Cur->ngeneBuffer.Next = PARingBufferNext;
891 Cur = Next;
892 PARingBufferCur = PARingBufferNext;
893 }
894 /* Last Buffer points back to first one */
895 Cur->Next = Head;
896 Cur->ngeneBuffer.Next = PARingBufferHead;
897
898 descr->Head = Head;
899 descr->MemSize = MemSize;
900 descr->PAHead = PARingBufferHead;
901 descr->NumBuffers = NumBuffers;
902
903 return 0;
904 }
905
906 static int AllocateRingBuffers(struct pci_dev *pci_dev,
907 dma_addr_t of,
908 struct SRingBufferDescriptor *pRingBuffer,
909 u32 Buffer1Length, u32 Buffer2Length)
910 {
911 dma_addr_t tmp;
912 u32 i, j;
913 int status = 0;
914 u32 SCListMemSize = pRingBuffer->NumBuffers
915 * ((Buffer2Length != 0) ? (NUM_SCATTER_GATHER_ENTRIES * 2) :
916 NUM_SCATTER_GATHER_ENTRIES)
917 * sizeof(struct HW_SCATTER_GATHER_ELEMENT);
918
919 u64 PASCListMem;
920 struct HW_SCATTER_GATHER_ELEMENT *SCListEntry;
921 u64 PASCListEntry;
922 struct SBufferHeader *Cur;
923 void *SCListMem;
924
925 if (SCListMemSize < 4096)
926 SCListMemSize = 4096;
927
928 SCListMem = pci_alloc_consistent(pci_dev, SCListMemSize, &tmp);
929
930 PASCListMem = tmp;
931 if (SCListMem == NULL)
932 return -ENOMEM;
933
934 memset(SCListMem, 0, SCListMemSize);
935
936 pRingBuffer->SCListMem = SCListMem;
937 pRingBuffer->PASCListMem = PASCListMem;
938 pRingBuffer->SCListMemSize = SCListMemSize;
939 pRingBuffer->Buffer1Length = Buffer1Length;
940 pRingBuffer->Buffer2Length = Buffer2Length;
941
942 SCListEntry = SCListMem;
943 PASCListEntry = PASCListMem;
944 Cur = pRingBuffer->Head;
945
946 for (i = 0; i < pRingBuffer->NumBuffers; i += 1, Cur = Cur->Next) {
947 u64 PABuffer;
948
949 void *Buffer = pci_alloc_consistent(pci_dev, Buffer1Length,
950 &tmp);
951 PABuffer = tmp;
952
953 if (Buffer == NULL)
954 return -ENOMEM;
955
956 Cur->Buffer1 = Buffer;
957
958 SCListEntry->Address = PABuffer;
959 SCListEntry->Length = Buffer1Length;
960
961 Cur->scList1 = SCListEntry;
962 Cur->ngeneBuffer.Address_of_first_entry_1 = PASCListEntry;
963 Cur->ngeneBuffer.Number_of_entries_1 =
964 NUM_SCATTER_GATHER_ENTRIES;
965
966 SCListEntry += 1;
967 PASCListEntry += sizeof(struct HW_SCATTER_GATHER_ELEMENT);
968
969 #if NUM_SCATTER_GATHER_ENTRIES > 1
970 for (j = 0; j < NUM_SCATTER_GATHER_ENTRIES - 1; j += 1) {
971 SCListEntry->Address = of;
972 SCListEntry->Length = OVERFLOW_BUFFER_SIZE;
973 SCListEntry += 1;
974 PASCListEntry +=
975 sizeof(struct HW_SCATTER_GATHER_ELEMENT);
976 }
977 #endif
978
979 if (!Buffer2Length)
980 continue;
981
982 Buffer = pci_alloc_consistent(pci_dev, Buffer2Length, &tmp);
983 PABuffer = tmp;
984
985 if (Buffer == NULL)
986 return -ENOMEM;
987
988 Cur->Buffer2 = Buffer;
989
990 SCListEntry->Address = PABuffer;
991 SCListEntry->Length = Buffer2Length;
992
993 Cur->scList2 = SCListEntry;
994 Cur->ngeneBuffer.Address_of_first_entry_2 = PASCListEntry;
995 Cur->ngeneBuffer.Number_of_entries_2 =
996 NUM_SCATTER_GATHER_ENTRIES;
997
998 SCListEntry += 1;
999 PASCListEntry += sizeof(struct HW_SCATTER_GATHER_ELEMENT);
1000
1001 #if NUM_SCATTER_GATHER_ENTRIES > 1
1002 for (j = 0; j < NUM_SCATTER_GATHER_ENTRIES - 1; j++) {
1003 SCListEntry->Address = of;
1004 SCListEntry->Length = OVERFLOW_BUFFER_SIZE;
1005 SCListEntry += 1;
1006 PASCListEntry +=
1007 sizeof(struct HW_SCATTER_GATHER_ELEMENT);
1008 }
1009 #endif
1010
1011 }
1012
1013 return status;
1014 }
1015
1016 static int FillTSIdleBuffer(struct SRingBufferDescriptor *pIdleBuffer,
1017 struct SRingBufferDescriptor *pRingBuffer)
1018 {
1019 int status = 0;
1020
1021 /* Copy pointer to scatter gather list in TSRingbuffer
1022 structure for buffer 2
1023 Load number of buffer
1024 */
1025 u32 n = pRingBuffer->NumBuffers;
1026
1027 /* Point to first buffer entry */
1028 struct SBufferHeader *Cur = pRingBuffer->Head;
1029 int i;
1030 /* Loop thru all buffer and set Buffer 2 pointers to TSIdlebuffer */
1031 for (i = 0; i < n; i++) {
1032 Cur->Buffer2 = pIdleBuffer->Head->Buffer1;
1033 Cur->scList2 = pIdleBuffer->Head->scList1;
1034 Cur->ngeneBuffer.Address_of_first_entry_2 =
1035 pIdleBuffer->Head->ngeneBuffer.
1036 Address_of_first_entry_1;
1037 Cur->ngeneBuffer.Number_of_entries_2 =
1038 pIdleBuffer->Head->ngeneBuffer.Number_of_entries_1;
1039 Cur = Cur->Next;
1040 }
1041 return status;
1042 }
1043
1044 static u32 RingBufferSizes[MAX_STREAM] = {
1045 RING_SIZE_VIDEO,
1046 RING_SIZE_VIDEO,
1047 RING_SIZE_AUDIO,
1048 RING_SIZE_AUDIO,
1049 RING_SIZE_AUDIO,
1050 };
1051
1052 static u32 Buffer1Sizes[MAX_STREAM] = {
1053 MAX_VIDEO_BUFFER_SIZE,
1054 MAX_VIDEO_BUFFER_SIZE,
1055 MAX_AUDIO_BUFFER_SIZE,
1056 MAX_AUDIO_BUFFER_SIZE,
1057 MAX_AUDIO_BUFFER_SIZE
1058 };
1059
1060 static u32 Buffer2Sizes[MAX_STREAM] = {
1061 MAX_VBI_BUFFER_SIZE,
1062 MAX_VBI_BUFFER_SIZE,
1063 0,
1064 0,
1065 0
1066 };
1067
1068
1069 static int AllocCommonBuffers(struct ngene *dev)
1070 {
1071 int status = 0, i;
1072
1073 dev->FWInterfaceBuffer = pci_alloc_consistent(dev->pci_dev, 4096,
1074 &dev->PAFWInterfaceBuffer);
1075 if (!dev->FWInterfaceBuffer)
1076 return -ENOMEM;
1077 dev->hosttongene = dev->FWInterfaceBuffer;
1078 dev->ngenetohost = dev->FWInterfaceBuffer + 256;
1079 dev->EventBuffer = dev->FWInterfaceBuffer + 512;
1080
1081 dev->OverflowBuffer = pci_alloc_consistent(dev->pci_dev,
1082 OVERFLOW_BUFFER_SIZE,
1083 &dev->PAOverflowBuffer);
1084 if (!dev->OverflowBuffer)
1085 return -ENOMEM;
1086 memset(dev->OverflowBuffer, 0, OVERFLOW_BUFFER_SIZE);
1087
1088 for (i = STREAM_VIDEOIN1; i < MAX_STREAM; i++) {
1089 int type = dev->card_info->io_type[i];
1090
1091 dev->channel[i].State = KSSTATE_STOP;
1092
1093 if (type & (NGENE_IO_TV | NGENE_IO_HDTV | NGENE_IO_AIN)) {
1094 status = create_ring_buffer(dev->pci_dev,
1095 &dev->channel[i].RingBuffer,
1096 RingBufferSizes[i]);
1097 if (status < 0)
1098 break;
1099
1100 if (type & (NGENE_IO_TV | NGENE_IO_AIN)) {
1101 status = AllocateRingBuffers(dev->pci_dev,
1102 dev->
1103 PAOverflowBuffer,
1104 &dev->channel[i].
1105 RingBuffer,
1106 Buffer1Sizes[i],
1107 Buffer2Sizes[i]);
1108 if (status < 0)
1109 break;
1110 } else if (type & NGENE_IO_HDTV) {
1111 status = AllocateRingBuffers(dev->pci_dev,
1112 dev->
1113 PAOverflowBuffer,
1114 &dev->channel[i].
1115 RingBuffer,
1116 MAX_HDTV_BUFFER_SIZE,
1117 0);
1118 if (status < 0)
1119 break;
1120 }
1121 }
1122
1123 if (type & (NGENE_IO_TSIN | NGENE_IO_TSOUT)) {
1124
1125 status = create_ring_buffer(dev->pci_dev,
1126 &dev->channel[i].
1127 TSRingBuffer, RING_SIZE_TS);
1128 if (status < 0)
1129 break;
1130
1131 status = AllocateRingBuffers(dev->pci_dev,
1132 dev->PAOverflowBuffer,
1133 &dev->channel[i].
1134 TSRingBuffer,
1135 MAX_TS_BUFFER_SIZE, 0);
1136 if (status)
1137 break;
1138 }
1139
1140 if (type & NGENE_IO_TSOUT) {
1141 status = create_ring_buffer(dev->pci_dev,
1142 &dev->channel[i].
1143 TSIdleBuffer, 1);
1144 if (status < 0)
1145 break;
1146 status = AllocateRingBuffers(dev->pci_dev,
1147 dev->PAOverflowBuffer,
1148 &dev->channel[i].
1149 TSIdleBuffer,
1150 MAX_TS_BUFFER_SIZE, 0);
1151 if (status)
1152 break;
1153 FillTSIdleBuffer(&dev->channel[i].TSIdleBuffer,
1154 &dev->channel[i].TSRingBuffer);
1155 }
1156 }
1157 return status;
1158 }
1159
1160 static void ngene_release_buffers(struct ngene *dev)
1161 {
1162 if (dev->iomem)
1163 iounmap(dev->iomem);
1164 free_common_buffers(dev);
1165 vfree(dev->tsout_buf);
1166 vfree(dev->tsin_buf);
1167 vfree(dev->ain_buf);
1168 vfree(dev->vin_buf);
1169 vfree(dev);
1170 }
1171
1172 static int ngene_get_buffers(struct ngene *dev)
1173 {
1174 if (AllocCommonBuffers(dev))
1175 return -ENOMEM;
1176 if (dev->card_info->io_type[4] & NGENE_IO_TSOUT) {
1177 dev->tsout_buf = vmalloc(TSOUT_BUF_SIZE);
1178 if (!dev->tsout_buf)
1179 return -ENOMEM;
1180 dvb_ringbuffer_init(&dev->tsout_rbuf,
1181 dev->tsout_buf, TSOUT_BUF_SIZE);
1182 }
1183 if (dev->card_info->io_type[2]&NGENE_IO_TSIN) {
1184 dev->tsin_buf = vmalloc(TSIN_BUF_SIZE);
1185 if (!dev->tsin_buf)
1186 return -ENOMEM;
1187 dvb_ringbuffer_init(&dev->tsin_rbuf,
1188 dev->tsin_buf, TSIN_BUF_SIZE);
1189 }
1190 if (dev->card_info->io_type[2] & NGENE_IO_AIN) {
1191 dev->ain_buf = vmalloc(AIN_BUF_SIZE);
1192 if (!dev->ain_buf)
1193 return -ENOMEM;
1194 dvb_ringbuffer_init(&dev->ain_rbuf, dev->ain_buf, AIN_BUF_SIZE);
1195 }
1196 if (dev->card_info->io_type[0] & NGENE_IO_HDTV) {
1197 dev->vin_buf = vmalloc(VIN_BUF_SIZE);
1198 if (!dev->vin_buf)
1199 return -ENOMEM;
1200 dvb_ringbuffer_init(&dev->vin_rbuf, dev->vin_buf, VIN_BUF_SIZE);
1201 }
1202 dev->iomem = ioremap(pci_resource_start(dev->pci_dev, 0),
1203 pci_resource_len(dev->pci_dev, 0));
1204 if (!dev->iomem)
1205 return -ENOMEM;
1206
1207 return 0;
1208 }
1209
1210 static void ngene_init(struct ngene *dev)
1211 {
1212 int i;
1213
1214 tasklet_init(&dev->event_tasklet, event_tasklet, (unsigned long)dev);
1215
1216 memset_io(dev->iomem + 0xc000, 0x00, 0x220);
1217 memset_io(dev->iomem + 0xc400, 0x00, 0x100);
1218
1219 for (i = 0; i < MAX_STREAM; i++) {
1220 dev->channel[i].dev = dev;
1221 dev->channel[i].number = i;
1222 }
1223
1224 dev->fw_interface_version = 0;
1225
1226 ngwritel(0, NGENE_INT_ENABLE);
1227
1228 dev->icounts = ngreadl(NGENE_INT_COUNTS);
1229
1230 dev->device_version = ngreadl(DEV_VER) & 0x0f;
1231 printk(KERN_INFO DEVICE_NAME ": Device version %d\n",
1232 dev->device_version);
1233 }
1234
1235 static int ngene_load_firm(struct ngene *dev)
1236 {
1237 u32 size;
1238 const struct firmware *fw = NULL;
1239 u8 *ngene_fw;
1240 char *fw_name;
1241 int err, version;
1242
1243 version = dev->card_info->fw_version;
1244
1245 switch (version) {
1246 default:
1247 case 15:
1248 version = 15;
1249 size = 23466;
1250 fw_name = "ngene_15.fw";
1251 dev->cmd_timeout_workaround = true;
1252 break;
1253 case 16:
1254 size = 23498;
1255 fw_name = "ngene_16.fw";
1256 dev->cmd_timeout_workaround = true;
1257 break;
1258 case 17:
1259 size = 24446;
1260 fw_name = "ngene_17.fw";
1261 dev->cmd_timeout_workaround = true;
1262 break;
1263 case 18:
1264 size = 0;
1265 fw_name = "ngene_18.fw";
1266 break;
1267 }
1268
1269 if (request_firmware(&fw, fw_name, &dev->pci_dev->dev) < 0) {
1270 printk(KERN_ERR DEVICE_NAME
1271 ": Could not load firmware file %s.\n", fw_name);
1272 printk(KERN_INFO DEVICE_NAME
1273 ": Copy %s to your hotplug directory!\n", fw_name);
1274 return -1;
1275 }
1276 if (size == 0)
1277 size = fw->size;
1278 if (size != fw->size) {
1279 printk(KERN_ERR DEVICE_NAME
1280 ": Firmware %s has invalid size!", fw_name);
1281 err = -1;
1282 } else {
1283 printk(KERN_INFO DEVICE_NAME
1284 ": Loading firmware file %s.\n", fw_name);
1285 ngene_fw = (u8 *) fw->data;
1286 err = ngene_command_load_firmware(dev, ngene_fw, size);
1287 }
1288
1289 release_firmware(fw);
1290
1291 return err;
1292 }
1293
1294 static void ngene_stop(struct ngene *dev)
1295 {
1296 down(&dev->cmd_mutex);
1297 i2c_del_adapter(&(dev->channel[0].i2c_adapter));
1298 i2c_del_adapter(&(dev->channel[1].i2c_adapter));
1299 ngwritel(0, NGENE_INT_ENABLE);
1300 ngwritel(0, NGENE_COMMAND);
1301 ngwritel(0, NGENE_COMMAND_HI);
1302 ngwritel(0, NGENE_STATUS);
1303 ngwritel(0, NGENE_STATUS_HI);
1304 ngwritel(0, NGENE_EVENT);
1305 ngwritel(0, NGENE_EVENT_HI);
1306 free_irq(dev->pci_dev->irq, dev);
1307 #ifdef CONFIG_PCI_MSI
1308 if (dev->msi_enabled)
1309 pci_disable_msi(dev->pci_dev);
1310 #endif
1311 }
1312
1313 static int ngene_buffer_config(struct ngene *dev)
1314 {
1315 int stat;
1316
1317 if (dev->card_info->fw_version >= 17) {
1318 u8 tsin12_config[6] = { 0x60, 0x60, 0x00, 0x00, 0x00, 0x00 };
1319 u8 tsin1234_config[6] = { 0x30, 0x30, 0x00, 0x30, 0x30, 0x00 };
1320 u8 tsio1235_config[6] = { 0x30, 0x30, 0x00, 0x28, 0x00, 0x38 };
1321 u8 *bconf = tsin12_config;
1322
1323 if (dev->card_info->io_type[2]&NGENE_IO_TSIN &&
1324 dev->card_info->io_type[3]&NGENE_IO_TSIN) {
1325 bconf = tsin1234_config;
1326 if (dev->card_info->io_type[4]&NGENE_IO_TSOUT &&
1327 dev->ci.en)
1328 bconf = tsio1235_config;
1329 }
1330 stat = ngene_command_config_free_buf(dev, bconf);
1331 } else {
1332 int bconf = BUFFER_CONFIG_4422;
1333
1334 if (dev->card_info->io_type[3] == NGENE_IO_TSIN)
1335 bconf = BUFFER_CONFIG_3333;
1336 stat = ngene_command_config_buf(dev, bconf);
1337 }
1338 return stat;
1339 }
1340
1341
1342 static int ngene_start(struct ngene *dev)
1343 {
1344 int stat;
1345 int i;
1346
1347 pci_set_master(dev->pci_dev);
1348 ngene_init(dev);
1349
1350 stat = request_irq(dev->pci_dev->irq, irq_handler,
1351 IRQF_SHARED, "nGene",
1352 (void *)dev);
1353 if (stat < 0)
1354 return stat;
1355
1356 init_waitqueue_head(&dev->cmd_wq);
1357 init_waitqueue_head(&dev->tx_wq);
1358 init_waitqueue_head(&dev->rx_wq);
1359 sema_init(&dev->cmd_mutex, 1);
1360 sema_init(&dev->stream_mutex, 1);
1361 sema_init(&dev->pll_mutex, 1);
1362 sema_init(&dev->i2c_switch_mutex, 1);
1363 spin_lock_init(&dev->cmd_lock);
1364 for (i = 0; i < MAX_STREAM; i++)
1365 spin_lock_init(&dev->channel[i].state_lock);
1366 ngwritel(1, TIMESTAMPS);
1367
1368 ngwritel(1, NGENE_INT_ENABLE);
1369
1370 stat = ngene_load_firm(dev);
1371 if (stat < 0)
1372 goto fail;
1373
1374 #ifdef CONFIG_PCI_MSI
1375 /* enable MSI if kernel and card support it */
1376 if (pci_msi_enabled() && dev->card_info->msi_supported) {
1377 unsigned long flags;
1378
1379 ngwritel(0, NGENE_INT_ENABLE);
1380 free_irq(dev->pci_dev->irq, dev);
1381 stat = pci_enable_msi(dev->pci_dev);
1382 if (stat) {
1383 printk(KERN_INFO DEVICE_NAME
1384 ": MSI not available\n");
1385 flags = IRQF_SHARED;
1386 } else {
1387 flags = 0;
1388 dev->msi_enabled = true;
1389 }
1390 stat = request_irq(dev->pci_dev->irq, irq_handler,
1391 flags, "nGene", dev);
1392 if (stat < 0)
1393 goto fail2;
1394 ngwritel(1, NGENE_INT_ENABLE);
1395 }
1396 #endif
1397
1398 stat = ngene_i2c_init(dev, 0);
1399 if (stat < 0)
1400 goto fail;
1401
1402 stat = ngene_i2c_init(dev, 1);
1403 if (stat < 0)
1404 goto fail;
1405
1406 return 0;
1407
1408 fail:
1409 ngwritel(0, NGENE_INT_ENABLE);
1410 free_irq(dev->pci_dev->irq, dev);
1411 #ifdef CONFIG_PCI_MSI
1412 fail2:
1413 if (dev->msi_enabled)
1414 pci_disable_msi(dev->pci_dev);
1415 #endif
1416 return stat;
1417 }
1418
1419 /****************************************************************************/
1420 /****************************************************************************/
1421 /****************************************************************************/
1422
1423 static void release_channel(struct ngene_channel *chan)
1424 {
1425 struct dvb_demux *dvbdemux = &chan->demux;
1426 struct ngene *dev = chan->dev;
1427
1428 if (chan->running)
1429 set_transfer(chan, 0);
1430
1431 tasklet_kill(&chan->demux_tasklet);
1432
1433 if (chan->ci_dev) {
1434 dvb_unregister_device(chan->ci_dev);
1435 chan->ci_dev = NULL;
1436 }
1437
1438 if (chan->fe2)
1439 dvb_unregister_frontend(chan->fe2);
1440
1441 if (chan->fe) {
1442 dvb_unregister_frontend(chan->fe);
1443 dvb_frontend_detach(chan->fe);
1444 chan->fe = NULL;
1445 }
1446
1447 if (chan->has_demux) {
1448 dvb_net_release(&chan->dvbnet);
1449 dvbdemux->dmx.close(&dvbdemux->dmx);
1450 dvbdemux->dmx.remove_frontend(&dvbdemux->dmx,
1451 &chan->hw_frontend);
1452 dvbdemux->dmx.remove_frontend(&dvbdemux->dmx,
1453 &chan->mem_frontend);
1454 dvb_dmxdev_release(&chan->dmxdev);
1455 dvb_dmx_release(&chan->demux);
1456 chan->has_demux = false;
1457 }
1458
1459 if (chan->has_adapter) {
1460 dvb_unregister_adapter(&dev->adapter[chan->number]);
1461 chan->has_adapter = false;
1462 }
1463 }
1464
1465 static int init_channel(struct ngene_channel *chan)
1466 {
1467 int ret = 0, nr = chan->number;
1468 struct dvb_adapter *adapter = NULL;
1469 struct dvb_demux *dvbdemux = &chan->demux;
1470 struct ngene *dev = chan->dev;
1471 struct ngene_info *ni = dev->card_info;
1472 int io = ni->io_type[nr];
1473
1474 tasklet_init(&chan->demux_tasklet, demux_tasklet, (unsigned long)chan);
1475 chan->users = 0;
1476 chan->type = io;
1477 chan->mode = chan->type; /* for now only one mode */
1478
1479 if (io & NGENE_IO_TSIN) {
1480 chan->fe = NULL;
1481 if (ni->demod_attach[nr]) {
1482 ret = ni->demod_attach[nr](chan);
1483 if (ret < 0)
1484 goto err;
1485 }
1486 if (chan->fe && ni->tuner_attach[nr]) {
1487 ret = ni->tuner_attach[nr](chan);
1488 if (ret < 0)
1489 goto err;
1490 }
1491 }
1492
1493 if (!dev->ci.en && (io & NGENE_IO_TSOUT))
1494 return 0;
1495
1496 if (io & (NGENE_IO_TSIN | NGENE_IO_TSOUT)) {
1497 if (nr >= STREAM_AUDIOIN1)
1498 chan->DataFormatFlags = DF_SWAP32;
1499
1500 if (nr == 0 || !one_adapter || dev->first_adapter == NULL) {
1501 adapter = &dev->adapter[nr];
1502 ret = dvb_register_adapter(adapter, "nGene",
1503 THIS_MODULE,
1504 &chan->dev->pci_dev->dev,
1505 adapter_nr);
1506 if (ret < 0)
1507 goto err;
1508 if (dev->first_adapter == NULL)
1509 dev->first_adapter = adapter;
1510 chan->has_adapter = true;
1511 } else
1512 adapter = dev->first_adapter;
1513 }
1514
1515 if (dev->ci.en && (io & NGENE_IO_TSOUT)) {
1516 dvb_ca_en50221_init(adapter, dev->ci.en, 0, 1);
1517 set_transfer(chan, 1);
1518 chan->dev->channel[2].DataFormatFlags = DF_SWAP32;
1519 set_transfer(&chan->dev->channel[2], 1);
1520 dvb_register_device(adapter, &chan->ci_dev,
1521 &ngene_dvbdev_ci, (void *) chan,
1522 DVB_DEVICE_SEC);
1523 if (!chan->ci_dev)
1524 goto err;
1525 }
1526
1527 if (chan->fe) {
1528 if (dvb_register_frontend(adapter, chan->fe) < 0)
1529 goto err;
1530 chan->has_demux = true;
1531 }
1532 if (chan->fe2) {
1533 if (dvb_register_frontend(adapter, chan->fe2) < 0)
1534 goto err;
1535 chan->fe2->tuner_priv = chan->fe->tuner_priv;
1536 memcpy(&chan->fe2->ops.tuner_ops,
1537 &chan->fe->ops.tuner_ops,
1538 sizeof(struct dvb_tuner_ops));
1539 }
1540
1541 if (chan->has_demux) {
1542 ret = my_dvb_dmx_ts_card_init(dvbdemux, "SW demux",
1543 ngene_start_feed,
1544 ngene_stop_feed, chan);
1545 ret = my_dvb_dmxdev_ts_card_init(&chan->dmxdev, &chan->demux,
1546 &chan->hw_frontend,
1547 &chan->mem_frontend, adapter);
1548 ret = dvb_net_init(adapter, &chan->dvbnet, &chan->demux.dmx);
1549 }
1550
1551 return ret;
1552
1553 err:
1554 if (chan->fe) {
1555 dvb_frontend_detach(chan->fe);
1556 chan->fe = NULL;
1557 }
1558 release_channel(chan);
1559 return 0;
1560 }
1561
1562 static int init_channels(struct ngene *dev)
1563 {
1564 int i, j;
1565
1566 for (i = 0; i < MAX_STREAM; i++) {
1567 dev->channel[i].number = i;
1568 if (init_channel(&dev->channel[i]) < 0) {
1569 for (j = i - 1; j >= 0; j--)
1570 release_channel(&dev->channel[j]);
1571 return -1;
1572 }
1573 }
1574 return 0;
1575 }
1576
1577 static struct cxd2099_cfg cxd_cfg = {
1578 .bitrate = 62000,
1579 .adr = 0x40,
1580 .polarity = 0,
1581 .clock_mode = 0,
1582 };
1583
1584 static void cxd_attach(struct ngene *dev)
1585 {
1586 struct ngene_ci *ci = &dev->ci;
1587
1588 ci->en = cxd2099_attach(&cxd_cfg, dev, &dev->channel[0].i2c_adapter);
1589 ci->dev = dev;
1590 return;
1591 }
1592
1593 static void cxd_detach(struct ngene *dev)
1594 {
1595 struct ngene_ci *ci = &dev->ci;
1596
1597 dvb_ca_en50221_release(ci->en);
1598 kfree(ci->en);
1599 ci->en = 0;
1600 }
1601
1602 /***********************************/
1603 /* workaround for shutdown failure */
1604 /***********************************/
1605
1606 static void ngene_unlink(struct ngene *dev)
1607 {
1608 struct ngene_command com;
1609
1610 com.cmd.hdr.Opcode = CMD_MEM_WRITE;
1611 com.cmd.hdr.Length = 3;
1612 com.cmd.MemoryWrite.address = 0x910c;
1613 com.cmd.MemoryWrite.data = 0xff;
1614 com.in_len = 3;
1615 com.out_len = 1;
1616
1617 down(&dev->cmd_mutex);
1618 ngwritel(0, NGENE_INT_ENABLE);
1619 ngene_command_mutex(dev, &com);
1620 up(&dev->cmd_mutex);
1621 }
1622
1623 void ngene_shutdown(struct pci_dev *pdev)
1624 {
1625 struct ngene *dev = pci_get_drvdata(pdev);
1626
1627 if (!dev || !shutdown_workaround)
1628 return;
1629
1630 printk(KERN_INFO DEVICE_NAME ": shutdown workaround...\n");
1631 ngene_unlink(dev);
1632 pci_disable_device(pdev);
1633 }
1634
1635 /****************************************************************************/
1636 /* device probe/remove calls ************************************************/
1637 /****************************************************************************/
1638
1639 void ngene_remove(struct pci_dev *pdev)
1640 {
1641 struct ngene *dev = pci_get_drvdata(pdev);
1642 int i;
1643
1644 tasklet_kill(&dev->event_tasklet);
1645 for (i = MAX_STREAM - 1; i >= 0; i--)
1646 release_channel(&dev->channel[i]);
1647 if (dev->ci.en)
1648 cxd_detach(dev);
1649 ngene_stop(dev);
1650 ngene_release_buffers(dev);
1651 pci_disable_device(pdev);
1652 }
1653
1654 int ngene_probe(struct pci_dev *pci_dev, const struct pci_device_id *id)
1655 {
1656 struct ngene *dev;
1657 int stat = 0;
1658
1659 if (pci_enable_device(pci_dev) < 0)
1660 return -ENODEV;
1661
1662 dev = vzalloc(sizeof(struct ngene));
1663 if (dev == NULL) {
1664 stat = -ENOMEM;
1665 goto fail0;
1666 }
1667
1668 dev->pci_dev = pci_dev;
1669 dev->card_info = (struct ngene_info *)id->driver_data;
1670 printk(KERN_INFO DEVICE_NAME ": Found %s\n", dev->card_info->name);
1671
1672 pci_set_drvdata(pci_dev, dev);
1673
1674 /* Alloc buffers and start nGene */
1675 stat = ngene_get_buffers(dev);
1676 if (stat < 0)
1677 goto fail1;
1678 stat = ngene_start(dev);
1679 if (stat < 0)
1680 goto fail1;
1681
1682 cxd_attach(dev);
1683
1684 stat = ngene_buffer_config(dev);
1685 if (stat < 0)
1686 goto fail1;
1687
1688
1689 dev->i2c_current_bus = -1;
1690
1691 /* Register DVB adapters and devices for both channels */
1692 stat = init_channels(dev);
1693 if (stat < 0)
1694 goto fail2;
1695
1696 return 0;
1697
1698 fail2:
1699 ngene_stop(dev);
1700 fail1:
1701 ngene_release_buffers(dev);
1702 fail0:
1703 pci_disable_device(pci_dev);
1704 return stat;
1705 }
Linux with added FPC-III support