Annotation of margi2/margi.c, revision 1.13
1.1 cvs 1: /*
2: margi.c
3:
4: Copyright (C) Marcus Metzler for convergence integrated media.
5:
6: This program is free software; you can redistribute it and/or modify
7: it under the terms of the GNU General Public License as published by
8: the Free Software Foundation; either version 2 of the License, or
9: (at your option) any later version.
10:
11: This program is distributed in the hope that it will be useful,
12: but WITHOUT ANY WARRANTY; without even the implied warranty of
13: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14: GNU General Public License for more details.
15:
16: You should have received a copy of the GNU General Public License
17: along with this program; if not, write to the Free Software
18: Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19: */
20:
21: #include "margi.h"
22:
23: #include <pcmcia/version.h>
24: #include <pcmcia/cs_types.h>
25: #include <pcmcia/cs.h>
26: #include <pcmcia/cistpl.h>
27: #include <pcmcia/cisreg.h>
28: #include <pcmcia/bus_ops.h>
29: #include <pcmcia/ds.h>
30:
31:
32:
33: #include "l64014.h"
34: #include "l64021.h"
35: #include "i2c.h"
36: #include "decoder.h"
37: #include "dram.h"
38: #include "video.h"
39: #include "cvdv.h"
40:
1.13 ! mocm 41:
! 42: static char *version = "margi_cs.c 0.5 11/1/2000 (Marcus Metzler)";
! 43:
1.1 cvs 44: //#define USE_BH 1
45: #ifdef USE_BH
46: #define MARGI_BH 31
47: // shouldn't be a number, but then MARGI_BH must be entered into interrupt.h
48: #endif
49:
50: MODULE_AUTHOR(AUTHOR);
51: MODULE_DESCRIPTION(MEDDEVNAME " Driver V." DVERSION);
52:
53: #define MAX_DEV 4
54: #define DEVICE_NR(minor) ((minor)>>4)
55:
56: /*====================================================================*/
57:
58: /* Parameters that can be set with 'insmod' */
59:
60: /* Release IO ports after configuration? */
61: static int free_ports = 0;
62:
63: /* The old way: bit map of interrupts to choose from */
64: /* This means pick from 15, 14, 12, 11, 10, 9, 7, 5, 4, and 3 */
65: static u_int irq_mask = 0xdeb8;
66: /* Newer, simpler way of listing specific interrupts */
67: static int irq_list[4] = { -1 };
68:
69: MODULE_PARM(free_ports, "i");
70: MODULE_PARM(irq_mask, "i");
71: MODULE_PARM(irq_list, "1-4i");
72:
73: extern unsigned int major_device_number;
74: extern struct file_operations cvdv_fileops;
75:
76: typedef struct margi_info_t {
77: dev_link_t link;
78: dev_node_t node;
79: struct cvdv_cards card;
80: int stop;
81: } margi_info_t;
82:
83:
84:
85: /*
86: The event() function is this driver's Card Services event handler.
87: It will be called by Card Services when an appropriate card status
88: event is received. The config() and release() entry points are
89: used to configure or release a socket, in response to card
90: insertion and ejection events. They are invoked from the margi
91: event handler.
92: */
93:
94: static void margi_config(dev_link_t * link);
95: static void margi_release(u_long arg);
96: static int margi_event(event_t event, int priority,
97: event_callback_args_t * args);
98: /*
99: The attach() and detach() entry points are used to create and destroy
100: "instances" of the driver, where each instance represents everything
101: needed to manage one actual PCMCIA card.
102: */
103:
104: static dev_link_t *margi_attach(void);
105: static void margi_detach(dev_link_t *);
106: static u_char read_lsi_status(struct cvdv_cards *card);
107:
108: /*
109: You'll also need to prototype all the functions that will actually
110: be used to talk to your device. See 'memory_cs' for a good example
111: of a fully self-sufficient driver; the other drivers rely more or
112: less on other parts of the kernel.
113: */
114:
115: /*
116: The dev_info variable is the "key" that is used to match up this
117: device driver with appropriate cards, through the card configuration
118: database.
119: */
120:
121: static dev_link_t *dev_table[MAX_DEV] = { NULL, /* ... */ };
122:
123: static dev_info_t dev_info = "margi_cs";
124:
125: /*
126: A linked list of "instances" of the margi device. Each actual
127: PCMCIA card corresponds to one device instance, and is described
128: by one dev_link_t structure (defined in ds.h).
129:
130: You may not want to use a linked list for this -- for example, the
131: memory card driver uses an array of dev_link_t pointers, where minor
132: device numbers are used to derive the corresponding array index.
133: */
134:
135: static dev_link_t *dev_list = NULL;
136:
137: /*
138: A dev_link_t structure has fields for most things that are needed
139: to keep track of a socket, but there will usually be some device
140: specific information that also needs to be kept track of. The
141: 'priv' pointer in a dev_link_t structure can be used to point to
142: a device-specific private data structure, like this.
143:
144: To simplify the data structure handling, we actually include the
145: dev_link_t structure in the device's private data structure.
146:
147: A driver needs to provide a dev_node_t structure for each device
148: on a card. In some cases, there is only one device per card (for
149: example, ethernet cards, modems). In other cases, there may be
150: many actual or logical devices (SCSI adapters, memory cards with
151: multiple partitions). The dev_node_t structures need to be kept
152: in a linked list starting at the 'dev' field of a dev_link_t
153: structure. We allocate them in the card's private data structure,
154: because they generally shouldn't be allocated dynamically.
155:
156: In this case, we also provide a flag to indicate if a device is
157: "stopped" due to a power management event, or card ejection. The
158: device IO routines can use a flag like this to throttle IO to a
159: card that is not ready to accept it.
160:
161: The bus_operations pointer is used on platforms for which we need
162: to use special socket-specific versions of normal IO primitives
163: (inb, outb, readb, writeb, etc) for card IO.
164: */
165:
166: void DACSetFrequency(struct cvdv_cards *card, int khz, int multiple) {
1.11 mocm 167: uint8_t b = read_indexed_register(card, IIO_OSC_AUD);
1.1 cvs 168:
169: b &= 0xf8;
170:
171: switch (khz){
1.2 rjkm 172: case 32:
173: b |= 0x04;
174: break;
1.1 cvs 175: case 48:
176: b |= 0x00;
177: break;
178: case 44:
179: b |= 0x01;
180: break;
181: case 96:
182: b |= 0x02;
183: break;
184: default:
185: b |= 0x00;
186: break;
187: }
188: write_indexed_register(card, IIO_OSC_AUD, b);
189:
190: }
191:
192: int MargiFreeBuffers(struct cvdv_cards *card)
193: {
1.13 ! mocm 194: MDEBUG(1, ": -- MargiFreeBuffers\n");
1.1 cvs 195:
1.13 ! mocm 196: ring_destroy(&(card->rbufA));
! 197: card->use_ringA = 0;
! 198: ring_destroy(&(card->rbufB));
! 199: card->use_ringB = 0;
1.1 cvs 200: return 0;
201: }
202:
203:
1.13 ! mocm 204: int MargiSetABuffers(struct cvdv_cards *card, uint32_t size)
1.1 cvs 205: {
206: MargiFreeBuffers(card);
1.13 ! mocm 207: MDEBUG(1, ": -- MargiSetABuffers(%d)\n",
1.1 cvs 208: size);
209:
1.13 ! mocm 210: ring_init(&(card->rbufA),size);
! 211: card->use_ringA = 1;
1.1 cvs 212: return 0;
1.13 ! mocm 213: }
1.1 cvs 214:
1.13 ! mocm 215: int MargiSetBBuffers(struct cvdv_cards *card, uint32_t size)
! 216: {
! 217: MargiFreeBuffers(card);
! 218: MDEBUG(1, ": -- MargiSetBBuffers(%d)\n",
! 219: size);
! 220:
! 221: ring_init(&(card->rbufB),size);
! 222: card->use_ringB = 1;
! 223: return 0;
1.1 cvs 224: }
225:
226: int MargiFlush (struct cvdv_cards *card)
227: {
228: int co = 0;
229: int i;
1.13 ! mocm 230: for (i=0;i<100;i++){
! 231: MargiPushA(card, 32, FlushPacket);
! 232: MargiPushB(card, 32, FlushPacket);
! 233: }
! 234: while ( (ring_write_rest(&(card->rbufA))|| ring_write_rest(&(card->rbufB))) && co<100)
! 235: co++;
1.1 cvs 236: VideoSetBackground(card, 1, 0, 0, 0); // black
237:
1.13 ! mocm 238: if (card->use_ringA) ring_flush(&(card->rbufA));
! 239: if (card->use_ringB) ring_flush(&(card->rbufB));
1.1 cvs 240: card->DMAABusy = 0;
1.13 ! mocm 241: card->DMABBusy = 0;
1.1 cvs 242:
243:
244: DecoderStopChannel(card);
245: DecoderStreamReset(card);
246: DecoderSetupReset(card);
247: card->channelrun = 0;
248:
1.13 ! mocm 249: MDEBUG(1, ": Margi Flush \n");
1.1 cvs 250: return 0;
251: }
252:
253:
1.13 ! mocm 254: int MargiPushA(struct cvdv_cards *card, int count, const char *data)
1.1 cvs 255: {
1.11 mocm 256: int fill;
257:
1.13 ! mocm 258: fill = ring_read_rest(&(card->rbufA));
1.11 mocm 259:
1.13 ! mocm 260: if (!card->use_ringA)
1.1 cvs 261: return 0;
262:
1.13 ! mocm 263: if (fill > 3*card->rbufA.size/4 && !card->channelrun){
1.1 cvs 264: DecoderStartChannel(card);
1.11 mocm 265: card->DMAABusy = 1;
1.1 cvs 266: }
267:
1.13 ! mocm 268: count = ring_write(&(card->rbufA),data,count);
! 269:
! 270: return count;
! 271: }
! 272:
! 273: int MargiPushB(struct cvdv_cards *card, int count, const char *data)
! 274: {
! 275: int fill;
! 276:
! 277: fill = ring_read_rest(&(card->rbufB));
! 278:
! 279: if (!card->use_ringB)
! 280: return 0;
! 281:
! 282: if (fill > 3*card->rbufB.size/4 && !card->channelrun){
! 283: DecoderStartChannel(card);
! 284: card->DMABBusy = 1;
! 285: }
! 286:
! 287: count = ring_write(&(card->rbufB),data,count);
1.11 mocm 288:
1.1 cvs 289: return count;
290: }
291:
292: int DecoderStartChannel(struct cvdv_cards *card)
293: {
294: DecoderMaskByte(card, 0x007, 0xC3, 0xC3); // channel start
1.11 mocm 295:
1.1 cvs 296: #ifdef BYPASS
297: DecoderMaskByte(card,0x005,0x0F,0x08);
298: #else
299: DecoderMaskByte(card,0x005,0x0F,0x01);
300: #endif
301: card->channelrun = 1;
302: return 0;
303: }
304:
305: int DecoderStopChannel(struct cvdv_cards *card)
306: {
307: DecoderMaskByte(card, 0x007, 0xC3, 0xC2); // channel reset
308: DecoderSetByte(card, 0x005, 0x04); // channel pause
309: card->channelrun = 0;
310: return 0;
311: }
312:
1.11 mocm 313: uint32_t DecoderGetAudioBufferSpace(struct cvdv_cards *card)
1.1 cvs 314: {
315:
1.11 mocm 316: uint32_t MaxSize, Size;
1.1 cvs 317:
318: MaxSize = card->AudioESSize;
319: Size = DecoderGetAudioESLevel(card);
320:
321: if (Size>MaxSize)
322: return 0;
323: return (MaxSize - Size);
324:
325: }
326:
1.11 mocm 327: uint32_t DecoderGetVideoBufferSpace(struct cvdv_cards *card)
1.1 cvs 328: {
329:
1.11 mocm 330: uint32_t MaxSize, Size;
1.1 cvs 331:
332: MaxSize = card->VideoESSize;
333: Size = DecoderGetVideoESLevel(card);
334:
335: if (Size>MaxSize)
336: return 0;
337: return (MaxSize - Size);
338:
339: }
340:
1.11 mocm 341: uint32_t DecoderGetBufferSpace(struct cvdv_cards *card)
1.1 cvs 342: {
1.11 mocm 343: uint32_t audio,video;
1.1 cvs 344:
345: audio = DecoderGetAudioBufferSpace(card);
346: video = DecoderGetVideoBufferSpace(card);
347:
1.10 mocm 348: if (audio > 2048) audio -= 2048;
1.11 mocm 349: if (video > 2048) video -= 2048;
1.1 cvs 350:
351: if (audio < video) return audio;
352: return video;
353: }
354:
1.13 ! mocm 355:
! 356: static int ringDMA_PES (struct cvdv_cards *card){
! 357:
1.11 mocm 358: uint32_t size = 0;
1.7 mocm 359: u_char stat;
360: dev_link_t *link = &(((margi_info_t *) card->margi)->link);
1.13 ! mocm 361: uint32_t count=0;
1.11 mocm 362: uint8_t data;
1.7 mocm 363:
1.13 ! mocm 364: return 0;
! 365: }
1.7 mocm 366:
367:
368:
1.1 cvs 369: static int ringDMA (struct cvdv_cards *card){
370:
1.11 mocm 371: uint32_t size = 0;
1.1 cvs 372: u_char stat;
373: dev_link_t *link = &(((margi_info_t *) card->margi)->link);
1.11 mocm 374: uint32_t count=0;
375: uint8_t data;
1.10 mocm 376:
1.13 ! mocm 377: count = ring_read_rest(&(card->rbufA));
1.4 rjkm 378: if (count < 2048) {
1.1 cvs 379: wake_up_interruptible(&(card->wqA));
380: return 0;
1.4 rjkm 381: }
1.10 mocm 382:
1.1 cvs 383: stat = read_lsi_status(card);
1.10 mocm 384:
1.13 ! mocm 385: MDEBUG( 3, ": -- stat: %d readpos: %d writepos: %d \n",
! 386: stat,(int) card->rbufA.read_pos,(int) card->rbufA.write_pos);
1.1 cvs 387: if (stat & LSI_ARQ) {
388: stat = read_lsi_status(card);
389: }
390:
391: if (stat & LSI_READY){
392: data = read_indexed_register(card, IIO_LSI_CONTROL);
393: data |= RR;
394: write_indexed_register(card, IIO_LSI_CONTROL, data);
395: return 0;
396: }
397:
398: if ((stat & LSI_ARQ) == 0) {
399: size = DecoderGetBufferSpace(card);
400: if (count > size) count = size & 0xfffffffc;
401: if (count>=2048) count &=0xfffff800;
402: count &=0xfffffffc;
1.5 mocm 403:
1.4 rjkm 404: if (!size &&
1.5 mocm 405: !card->DecoderOpen ){
1.11 mocm 406: printk(KERN_ERR LOGNAME
1.4 rjkm 407: ": -- PREPARE IT ALREADY\n");
408: Prepare(card);
1.5 mocm 409: card->startingV = 1;
410: card->startingA = 1;
1.4 rjkm 411: }
1.11 mocm 412:
1.5 mocm 413: if (count > size) count = size & 0xfffffffc;
1.13 ! mocm 414: MDEBUG(3,": -- stat: %d length: %d size: %d startV: %d startA: %d\n",
1.4 rjkm 415: stat,count,size, card->startingV, card->startingA);
1.11 mocm 416:
1.1 cvs 417: if (count) {
1.13 ! mocm 418: ring_read_direct(&(card->rbufA),
1.1 cvs 419: link->io.BasePort1+DIO_LSI_STATUS,
420: count);
421: }
422: } else {
423: count = 0;
424: }
425:
426: return count;
427: }
428:
429:
430: u_char read_indexed_register(struct cvdv_cards * card, int addr)
431: {
432: dev_link_t *link = &(((margi_info_t *) card->margi)->link);
1.10 mocm 433: u_char data;
434: #ifdef NOINT
435: spin_lock(&card->timelock);
436: #endif
1.1 cvs 437: outb(addr, link->io.BasePort1 + DIO_CONTROL_INDEX);
1.10 mocm 438: data = (inb(link->io.BasePort1 + DIO_CONTROL_DATA));
439: #ifdef NOINT
440: spin_unlock(&card->timelock);
441: #endif
442: return data;
1.1 cvs 443: }
444:
445:
446: void write_indexed_register(struct cvdv_cards *card, int addr, u_char data)
447: {
448: dev_link_t *link = &(((margi_info_t *) card->margi)->link);
1.10 mocm 449: #ifdef NOINT
450: spin_lock(&card->timelock);
451: #endif
1.1 cvs 452: outb(addr, link->io.BasePort1 + DIO_CONTROL_INDEX);
453: outb(data, link->io.BasePort1 + DIO_CONTROL_DATA);
1.10 mocm 454:
455: #ifdef NOINT
456: spin_unlock(&card->timelock);
457: #endif
1.1 cvs 458: }
459:
460: void WriteByte(struct cvdv_cards *card, int addr, u_char data)
461: {
462: dev_link_t *link = &(((margi_info_t *) card->margi)->link);
463:
1.10 mocm 464: #ifdef NOINT
465: spin_lock(&card->timelock);
466: #endif
1.1 cvs 467: outb((u_char) (addr & 255),
468: link->io.BasePort1 + DIO_LSI_INDEX_LOW);
469: outb(((addr & 256) ? 1 : 0),
470: link->io.BasePort1 + DIO_LSI_INDEX_HIGH);
471: outb(data, link->io.BasePort1 + DIO_LSI_DATA);
1.10 mocm 472: #ifdef NOINT
473: spin_unlock(&card->timelock);
474: #endif
1.1 cvs 475: }
476:
477: u_char ReadByte(struct cvdv_cards *card, int addr)
478: {
479: dev_link_t *link = &(((margi_info_t *) card->margi)->link);
1.10 mocm 480: u_char data;
1.1 cvs 481:
1.10 mocm 482: #ifdef NOINT
483: spin_lock(&card->timelock);
484: #endif
1.1 cvs 485: outb((u_char) (addr & 255),
486: link->io.BasePort1 + DIO_LSI_INDEX_LOW);
487: outb(((addr & 256) ? 1 : 0),
488: link->io.BasePort1 + DIO_LSI_INDEX_HIGH);
1.10 mocm 489: data = inb(link->io.BasePort1 + DIO_LSI_DATA);
490: #ifdef NOINT
491: spin_unlock(&card->timelock);
492: #endif
493: return data;
1.1 cvs 494: }
495:
496: void MaskByte(struct cvdv_cards *card, int addr, u_char mask, u_char bits)
497: {
498: WriteByte(card, addr, (ReadByte(card, addr) & ~(mask)) | (bits));
499: }
500:
501:
502:
1.11 mocm 503: #define MAXWRITE CHANNELBUFFERSIZE
504: #define MAX_COUNT 10
1.1 cvs 505:
506: #ifdef USE_BH
507: struct cvdv_cards *bh_card;
508:
509: static void do_margi_bh(void)
510: {
511: struct cvdv_cards *card = bh_card;
512: #else
513:
514: static void do_margi(struct cvdv_cards *card)
515: {
516:
517: #endif
518: int countA, countB;
519: int try;
1.13 ! mocm 520: int stype = card->setup.streamtype;
1.1 cvs 521:
522: countA = 0;
523: countB = 0;
524:
525: card->currentType = 0;
526: for ( try = 0; try < MAX_COUNT ;try++)
527: if (countA < MAXWRITE){
528: int count = 0;
1.13 ! mocm 529: switch (stype){
! 530: case stream_PES:
! 531: case stream_ES:
! 532: // count = ringDMA_PES(card);
! 533: count = ringDMA(card);
! 534: countA += count;
! 535: if (!count)
! 536: try=MAX_COUNT;
! 537: break;
! 538: case stream_PS:
! 539: case stream_DVD:
! 540: count = ringDMA(card);
! 541: countA += count;
! 542: if (!count)
! 543: try=MAX_COUNT;
! 544: break;
! 545: }
1.1 cvs 546: } else break;
547:
548: }
549:
1.7 mocm 550:
551:
552:
553: void L64014Intr_function(struct cvdv_cards *card)
1.1 cvs 554: {
1.11 mocm 555: uint8_t control,mask,stat;
1.1 cvs 556: int try;
557:
1.13 ! mocm 558:
1.1 cvs 559: control= read_indexed_register(card, IIO_IRQ_CONTROL);
560: if (control & IRQ_EN){
561: mask = 0;
562: if ( control & DEC_EN ) mask |= DEC_INT;
563: if ( control & VSYNC_EN ) mask |= VSYNC_INT;
564: stat = read_indexed_register(card, IIO_IRQ_STATUS);
565: try = 0;
566: while ( (try++ < 100) && (stat & mask) ){
1.11 mocm 567:
568: if (stat & VSYNC_INT) {
569:
1.1 cvs 570: write_indexed_register(card,IIO_IRQ_CONTROL,
571: control & (~VSYNC_EN));
572: write_indexed_register(card,IIO_IRQ_CONTROL,
573: control);
1.10 mocm 574:
575:
1.13 ! mocm 576: if (card->DMAABusy || card->DMABBusy){
1.1 cvs 577:
578: #ifdef USE_BH
579: bh_card = card;
580: mark_bh(MARGI_BH);
581: #else
582: do_margi(card);
583: #endif
1.13 ! mocm 584: if(card->use_ringA || card->use_ringB){
1.11 mocm 585: L64021Intr(card);
586: }
1.13 ! mocm 587: } else {
! 588: wake_up_interruptible(&(card->wqA));
! 589: wake_up_interruptible(&(card->wqB));
1.11 mocm 590: }
591: }
592:
593: if (stat & DEC_INT) {
594: write_indexed_register(card,IIO_IRQ_CONTROL,
595: control & (~DEC_EN));
596: write_indexed_register(card,IIO_IRQ_CONTROL,
597: control);
598:
1.13 ! mocm 599: if(card->use_ringA || card->use_ringB){
1.11 mocm 600: L64021Intr(card);
601: }
1.1 cvs 602: }
603:
604: stat = read_indexed_register(card, IIO_IRQ_STATUS);
605: }
606: }
607:
1.7 mocm 608: }
609:
610:
611: #ifdef NOINT
612: void Timerfunction(unsigned long data)
613: {
614: struct cvdv_cards *card = (struct cvdv_cards *) data;
615:
1.10 mocm 616:
1.7 mocm 617: L64014Intr_function(card);
618:
619: card->timer.function = Timerfunction;
620: card->timer.data=(unsigned long) card;
621: card->timer.expires=jiffies+1;
1.13 ! mocm 622: if ( card->open)
1.10 mocm 623: add_timer(&card->timer);
1.7 mocm 624:
625: }
626: #endif
627:
628:
629: void L64014Intr(int irq, void *dev_id, struct pt_regs *regs)
630: {
631: margi_info_t *margi = dev_id;
632: struct cvdv_cards *card = &(margi->card);
633: u_char dio_index, lsi_index_low, lsi_index_high;
634:
1.10 mocm 635: #ifdef NOINT
636: spin_lock(&card->timelock);
637: #endif
1.7 mocm 638: //save registers
639: dio_index = inb(margi->link.io.BasePort1 + DIO_CONTROL_INDEX);
640: lsi_index_low = inb(margi->link.io.BasePort1 + DIO_LSI_INDEX_LOW);
1.10 mocm 641: lsi_index_high = inb(margi->link.io.BasePort1 + DIO_LSI_INDEX_HIGH);
1.7 mocm 642:
643:
644: L64014Intr_function(card);
645:
1.1 cvs 646: //load registers
647: outb(dio_index, margi->link.io.BasePort1 + DIO_CONTROL_INDEX);
648: outb(lsi_index_low, margi->link.io.BasePort1 + DIO_LSI_INDEX_LOW);
649: outb(lsi_index_high,margi->link.io.BasePort1 + DIO_LSI_INDEX_HIGH);
1.10 mocm 650: #ifdef NOINT
651: spin_unlock(&card->timelock);
652: #endif
1.1 cvs 653: }
654:
655: int L64014RemoveIntr(struct cvdv_cards *card)
656: {
1.13 ! mocm 657: MDEBUG(1, ": -- L64014RemoveIntr\n");
1.1 cvs 658: // Disable the IRQ's
659: write_indexed_register(card, IIO_IRQ_CONTROL, 0x00);
660: if (!card->IntInstalled)
661: return 1;
662: L64021RemoveIntr(card);
663: return 0;
664: }
665:
666: void l64020Reset(struct cvdv_cards *card){
1.11 mocm 667: uint8_t data;
1.1 cvs 668:
669:
670: data = read_indexed_register(card, IIO_LSI_CONTROL);
671: data &= ~(RR | DR);
672: write_indexed_register(card, IIO_LSI_CONTROL, data);
673: mdelay(100);
674: data = read_indexed_register(card, IIO_LSI_CONTROL);
675: data |= DR;
676: write_indexed_register(card, IIO_LSI_CONTROL, data);
677:
678: data = read_indexed_register(card,IIO_GPIO_PINS);
679: data &= ~0x01;
680: write_indexed_register(card,IIO_GPIO_PINS,data);
681: data |= 0x01;
682: write_indexed_register(card,IIO_GPIO_PINS,data);
683:
684: //write_indexed_register(card, IIO_LSI_CONTROL, DR);
685: }
686:
1.7 mocm 687: void ZV_init(struct cvdv_cards *card)
688: {
1.11 mocm 689: uint32_t delay, activel;
690: uint8_t reg;
1.7 mocm 691: delay = 235;
692: activel = delay + 1448;
693:
694: // init delay and active lines
695: write_indexed_register(card, IIO_VIDEO_HOR_DELAY,
1.11 mocm 696: (uint8_t)(delay & 0x00FF));
1.7 mocm 697: write_indexed_register(card, IIO_VIDEO_HOR_ACTIVE,
1.11 mocm 698: (uint8_t)(activel & 0x00FF));
699: reg = ((uint8_t)((activel >> 4) & 0x0070))|((uint8_t)((delay >> 8) & 0x0007));
1.7 mocm 700: write_indexed_register(card, IIO_VIDEO_HOR_HIGH, reg);
701:
702: //init video
703: reg = read_indexed_register(card, IIO_VIDEO_CONTROL0);
704: reg |= (ZVCLK13 | ZV16BIT | ZVCLKINV);
705: write_indexed_register(card, IIO_VIDEO_CONTROL0, reg);
706: reg = read_indexed_register(card, IIO_VIDEO_CONTROL1);
707: reg |= (ZV_OVERRIDE | ZV_ENABLE);
708: write_indexed_register(card, IIO_VIDEO_CONTROL1, reg);
709: }
710:
1.1 cvs 711: int L64014Init(struct cvdv_cards *card)
712: {
1.11 mocm 713: uint16_t testram[16];
1.1 cvs 714: int i, err;
715:
1.13 ! mocm 716: MDEBUG(1, ": -- L64014Init\n");
1.1 cvs 717: card->videomode = VIDEO_MODE;
718:
719: /* Reset 64020 */
720: write_indexed_register(card, IIO_GPIO_CONTROL, 0x01);
721: l64020Reset(card);
722: /* init GPIO */
723: write_indexed_register(card, IIO_GPIO_CONTROL, 0x01);
724: write_indexed_register(card, IIO_GPIO_PINS, 0xff);
725:
726: /* Set to PAL */
727: write_indexed_register(card, IIO_VIDEO_CONTROL0, 0);
728: write_indexed_register(card, IIO_VIDEO_CONTROL1, VMS_PAL);
729:
730: /* Set Audio freq */
731: write_indexed_register(card, IIO_OSC_AUD, 0x12);
732:
733: write_indexed_register(card, CSS_COMMAND, 0x01);
734:
735:
1.13 ! mocm 736: MDEBUG(0, "CSID: %02x\n", I2CRead(card, 0, 0x3d));
1.1 cvs 737: card->i2c_addr = I2CRead(card, 0, 0x0f);
1.13 ! mocm 738: MDEBUG(0, "I2CADDR: %02x\n", card->i2c_addr);
1.1 cvs 739:
740: I2CWrite(card, card->i2c_addr, CS_CONTROL0, 0x4a);
741: I2CWrite(card, card->i2c_addr, CS_CONTROL1, 0x04);
742: I2CWrite(card, card->i2c_addr, CS_SC_AMP, 0x15);
743: I2CWrite(card, card->i2c_addr, CS_SC_SYNTH0, 0x96);
744: I2CWrite(card, card->i2c_addr, CS_SC_SYNTH1, 0x15);
745: I2CWrite(card, card->i2c_addr, CS_SC_SYNTH2, 0x13);
746: I2CWrite(card, card->i2c_addr, CS_SC_SYNTH3, 0x54);
747:
748: I2CWrite(card, card->i2c_addr, CS_DAC, 0x87);
749: I2CWrite(card, card->i2c_addr, CS_BKG_COL, 0x03);
750:
1.13 ! mocm 751: MDEBUG(0,"Decoder Status: %d\n", read_lsi_status(card));
! 752: MDEBUG(0,"lsi stat %d\n", DecoderReadByte(card, 0x005));
1.1 cvs 753:
1.7 mocm 754: #ifdef USE_ZV
755: ZV_init(card);
756: #endif
1.1 cvs 757: L64021Init(card);
758:
759: // Find out how much DRAM we have
1.5 mocm 760: card->DRAMSize = 0x00100000; // maximum size
1.1 cvs 761: do {
1.13 ! mocm 762: MDEBUG(0,
1.1 cvs 763: ": Probing DRAM Size: 0x%08X (%d kByte) ... ",
764: card->DRAMSize, card->DRAMSize / 512);
765: for (i = 0; i < 8; i++)
766: testram[i] = rnd(0x100) | (rnd(0x100) << 8);
767: if (DRAMWriteWord(card, 0, 4, &testram[0], 0))
1.13 ! mocm 768: MDEBUG(0, ": DRAM Write error.\n");
1.1 cvs 769: if (DRAMWriteWord
770: (card, card->DRAMSize - 4, 4, &testram[4],
1.13 ! mocm 771: 0)) MDEBUG(0,
1.1 cvs 772: ": DRAM Write error.\n");
773: if (DRAMReadWord(card, 0, 4, &testram[8], 0))
1.13 ! mocm 774: MDEBUG(0, ": DRAM Read error.\n");
1.1 cvs 775: if (DRAMReadWord
776: (card, card->DRAMSize - 4, 4, &testram[12],
1.13 ! mocm 777: 0)) MDEBUG(0, ": DRAM Read error.\n");
1.1 cvs 778: err = 0;
779: for (i = 0; (!err) && (i < 8); i++)
780: if (testram[i] != testram[i + 8])
781: err = i + 1;
1.13 ! mocm 782: if (err) {
! 783: MDEBUG(0," failed\n");
! 784: } else {
! 785: MDEBUG(0," ok\n");
! 786: }
1.1 cvs 787: if (err)
1.13 ! mocm 788: MDEBUG(2,": DRAM compare error at cell %d: 0x%04X %04X %04X %04X->0x%04X %04X %04X %04X / 0x%04X %04X %04X %04X->0x%04X %04X %04X %04X\n",
1.1 cvs 789: err, testram[0], testram[1], testram[2],
790: testram[3], testram[8], testram[9],
791: testram[10], testram[11], testram[4],
792: testram[5], testram[6], testram[7],
793: testram[12], testram[13], testram[14],
794: testram[15]);
795: if (err)
796: card->DRAMSize >>= 1;
797: } while (err && (card->DRAMSize >= 0x00100000));
798: printk(KERN_INFO LOGNAME ": DRAM Size: 0x%08X (%d kByte)\n",
799: card->DRAMSize, card->DRAMSize / 512);
800: if (card->DRAMSize < 0x00100000) { // minimum size
801: printk(KERN_INFO LOGNAME
802: ": DRAM ERROR: Not enough memory on card!\n");
803: return 1;
804: }
805: return 0;
806: }
807:
808:
809: void CardDeInit(struct cvdv_cards *card)
810: {
811: CloseCard(card);
812: MargiFlush(card);
813: MargiFreeBuffers(card);
1.7 mocm 814:
1.1 cvs 815: L64014RemoveIntr(card);
1.4 rjkm 816: card_init(card, 0);
1.1 cvs 817: }
818:
819:
820: static u_char read_lsi_status(struct cvdv_cards *card)
821: {
822: margi_info_t *margi = (margi_info_t *) card->margi;
823: return (inb(margi->link.io.BasePort1 + DIO_LSI_STATUS) & 15);
824:
825: }
826:
827: /*====================================================================*/
828:
829: static void cs_error(client_handle_t handle, int func, int ret)
830: {
831: error_info_t err = { func, ret };
832: CardServices(ReportError, handle, &err);
833: }
834:
835: /*======================================================================
836:
837: margi_attach() creates an "instance" of the driver, allocating
838: local data structures for one device. The device is registered
839: with Card Services.
840:
841: The dev_link structure is initialized, but we don't actually
842: configure the card at this point -- we wait until we receive a
843: card insertion event.
844:
845: ======================================================================*/
846:
847: static dev_link_t *margi_attach(void)
848: {
849: margi_info_t *local;
850: dev_link_t *link;
851: client_reg_t client_reg;
852: int ret, i;
853:
1.13 ! mocm 854: MDEBUG(0, "margi_attach()\n");
1.1 cvs 855:
856: for (i = 0; i < MAX_DEV; i++)
857: if (dev_table[i] == NULL)
858: break;
859: if (i == MAX_DEV) {
860: printk(KERN_NOTICE "margi_cs: no devices available\n");
861: return NULL;
862: }
863:
864: /* Allocate space for private device-specific data */
865: local = kmalloc(sizeof(margi_info_t), GFP_KERNEL);
866: if (!local)
867: return NULL;
868: memset(local, 0, sizeof(margi_info_t));
869: link = &local->link;
870: link->priv = local;
871: local->card.margi = (void *) local;
872: dev_table[i] = link;
873:
874: /* Initialize the dev_link_t structure */
875: link->release.function = &margi_release;
876: link->release.data = (u_long) link;
877:
878: /* Interrupt setup */
879: link->irq.Attributes = IRQ_TYPE_EXCLUSIVE;
880: link->irq.IRQInfo1 = IRQ_INFO2_VALID | IRQ_LEVEL_ID;
881: if (irq_list[0] == -1)
882: link->irq.IRQInfo2 = irq_mask;
883: else
884: for (i = 0; i < 4; i++)
885: link->irq.IRQInfo2 |= 1 << irq_list[i];
886: link->irq.Handler = NULL;
887:
888: /*
889: General socket configuration defaults can go here. In this
890: client, we assume very little, and rely on the CIS for almost
891: everything. In most clients, many details (i.e., number, sizes,
892: and attributes of IO windows) are fixed by the nature of the
893: device, and can be hard-wired here.
894: */
895: link->conf.Attributes = 0;
896: link->conf.Vcc = 50;
1.7 mocm 897:
898: #ifndef USE_ZV
1.1 cvs 899: link->conf.IntType = INT_MEMORY_AND_IO;
1.7 mocm 900: #else
901: link->conf.IntType = INT_ZOOMED_VIDEO;
902: #endif
1.1 cvs 903:
904: /* Register with Card Services */
905: link->next = dev_list;
906: dev_list = link;
907: client_reg.dev_info = &dev_info;
908: client_reg.Attributes = INFO_IO_CLIENT | INFO_CARD_SHARE;
909: client_reg.EventMask =
910: CS_EVENT_CARD_INSERTION | CS_EVENT_CARD_REMOVAL |
911: CS_EVENT_RESET_PHYSICAL | CS_EVENT_CARD_RESET |
912: CS_EVENT_PM_SUSPEND | CS_EVENT_PM_RESUME;
913: client_reg.event_handler = &margi_event;
914: client_reg.Version = 0x0210;
915: client_reg.event_callback_args.client_data = link;
916: ret = CardServices(RegisterClient, &link->handle, &client_reg);
917: if (ret != CS_SUCCESS) {
918: cs_error(link->handle, RegisterClient, ret);
919: margi_detach(link);
920: return NULL;
921: }
922:
923: return link;
924: } /* margi_attach */
925:
926: /*======================================================================
927:
928: This deletes a driver "instance". The device is de-registered
929: with Card Services. If it has been released, all local data
930: structures are freed. Otherwise, the structures will be freed
931: when the device is released.
932:
933: ======================================================================*/
934:
935: static void margi_detach(dev_link_t * link)
936: {
937: dev_link_t **linkp;
938:
939: int nd;
940:
1.13 ! mocm 941: MDEBUG(0, "margi_detach(0x%p)\n", link);
1.1 cvs 942:
943: for (nd = 0; nd < MAX_DEV; nd++)
944: if (dev_table[nd] == link)
945: break;
946: if (nd == MAX_DEV)
947: return;
948:
949: /* Locate device structure */
950: for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next)
951: if (*linkp == link)
952: break;
953: if (*linkp == NULL)
954: return;
955:
956: /*
957: If the device is currently configured and active, we won't
958: actually delete it yet. Instead, it is marked so that when
959: the release() function is called, that will trigger a proper
960: detach().
961: */
962: if (link->state & DEV_CONFIG) {
1.13 ! mocm 963: MDEBUG(2, "margi_cs: detach postponed, '%s' "
1.1 cvs 964: "still locked\n", link->dev->dev_name);
965: link->state |= DEV_STALE_LINK;
966: return;
967: }
968:
969: /* Break the link with Card Services */
970: if (link->handle)
971: CardServices(DeregisterClient, link->handle);
972:
973: /* Unlink device structure, and free it */
974: *linkp = link->next;
975: /* This points to the parent struct cvdv_cards struct */
976: dev_table[nd] = NULL;
977:
978: kfree(link->priv);
979:
980: } /* margi_detach */
981:
982: /*======================================================================
983:
984: margi_config() is scheduled to run after a CARD_INSERTION event
985: is received, to configure the PCMCIA socket, and to make the
986: device available to the system.
987:
988: ======================================================================*/
989:
990: #define CS_CHECK(fn, args...) \
991: while ((last_ret=CardServices(last_fn=(fn),args))!=0) goto cs_failed
992:
993: #define CFG_CHECK(fn, args...) \
994: if (CardServices(fn, args) != 0) goto next_entry
995:
996: static void margi_config(dev_link_t * link)
997: {
998: client_handle_t handle = link->handle;
999: margi_info_t *dev = link->priv;
1000: struct cvdv_cards *card = &(dev->card);
1001: tuple_t tuple;
1002: cisparse_t parse;
1003: int last_fn, last_ret, i;
1004: u_char buf[64];
1005: config_info_t conf;
1006: win_req_t req;
1007: memreq_t map;
1008: int minor = 0;
1009:
1.13 ! mocm 1010: MDEBUG(0, "margi_config(0x%p)\n", link);
1.1 cvs 1011:
1012: /*
1013: This reads the card's CONFIG tuple to find its configuration
1014: registers.
1015: */
1016: tuple.DesiredTuple = CISTPL_CONFIG;
1017: tuple.Attributes = 0;
1018: tuple.TupleData = buf;
1019: tuple.TupleDataMax = sizeof(buf);
1020: tuple.TupleOffset = 0;
1021: CS_CHECK(GetFirstTuple, handle, &tuple);
1022: CS_CHECK(GetTupleData, handle, &tuple);
1023: CS_CHECK(ParseTuple, handle, &tuple, &parse);
1024: link->conf.ConfigBase = parse.config.base;
1025: link->conf.Present = parse.config.rmask[0];
1026:
1027: /* Configure card */
1028: link->state |= DEV_CONFIG;
1029:
1030: /* Look up the current Vcc */
1031: CS_CHECK(GetConfigurationInfo, handle, &conf);
1032: link->conf.Vcc = conf.Vcc;
1033:
1034: /*
1035: In this loop, we scan the CIS for configuration table entries,
1036: each of which describes a valid card configuration, including
1037: voltage, IO window, memory window, and interrupt settings.
1038:
1039: We make no assumptions about the card to be configured: we use
1040: just the information available in the CIS. In an ideal world,
1041: this would work for any PCMCIA card, but it requires a complete
1042: and accurate CIS. In practice, a driver usually "knows" most of
1043: these things without consulting the CIS, and most client drivers
1044: will only use the CIS to fill in implementation-defined details.
1045: */
1046: tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
1047: CS_CHECK(GetFirstTuple, handle, &tuple);
1048: while (1) {
1049: cistpl_cftable_entry_t dflt = { 0 };
1050: cistpl_cftable_entry_t *cfg = &(parse.cftable_entry);
1051: CFG_CHECK(GetTupleData, handle, &tuple);
1052: CFG_CHECK(ParseTuple, handle, &tuple, &parse);
1053:
1054: if (cfg->flags & CISTPL_CFTABLE_DEFAULT)
1055: dflt = *cfg;
1056: if (cfg->index == 0)
1057: goto next_entry;
1058: link->conf.ConfigIndex = cfg->index;
1059:
1060: /* Does this card need audio output? */
1061: if (cfg->flags & CISTPL_CFTABLE_AUDIO) {
1062: link->conf.Attributes |= CONF_ENABLE_SPKR;
1063: link->conf.Status = CCSR_AUDIO_ENA;
1064: }
1065:
1066: /* Use power settings for Vcc and Vpp if present */
1067: /* Note that the CIS values need to be rescaled */
1068: if (cfg->vcc.present & (1 << CISTPL_POWER_VNOM)) {
1069: if (conf.Vcc !=
1070: cfg->vcc.param[CISTPL_POWER_VNOM] /
1071: 10000) goto next_entry;
1072: } else if (dflt.vcc.present & (1 << CISTPL_POWER_VNOM)) {
1073: if (conf.Vcc !=
1074: dflt.vcc.param[CISTPL_POWER_VNOM] /
1075: 10000) goto next_entry;
1076: }
1077:
1078: if (cfg->vpp1.present & (1 << CISTPL_POWER_VNOM))
1079: link->conf.Vpp1 = link->conf.Vpp2 =
1080: cfg->vpp1.param[CISTPL_POWER_VNOM] / 10000;
1081: else if (dflt.vpp1.present & (1 << CISTPL_POWER_VNOM))
1082: link->conf.Vpp1 = link->conf.Vpp2 =
1083: dflt.vpp1.param[CISTPL_POWER_VNOM] / 10000;
1084:
1085: /*
1086: Allocate an interrupt line. Note that this does not assign a
1087: handler to the interrupt, unless the 'Handler' member of the
1088: irq structure is initialized.
1089: */
1.7 mocm 1090: #ifndef NOINT
1.1 cvs 1091: link->irq.Attributes =
1092: IRQ_TYPE_EXCLUSIVE | IRQ_HANDLE_PRESENT;
1093: link->irq.Handler = &L64014Intr;
1094: link->irq.Instance = link;
1.7 mocm 1095: link->conf.Attributes |= CONF_ENABLE_IRQ;
1.1 cvs 1096: #ifdef USE_BH
1097: init_bh(MARGI_BH, do_margi_bh);
1098: #endif
1099: if (link->conf.Attributes & CONF_ENABLE_IRQ)
1100: CS_CHECK(RequestIRQ, link->handle, &link->irq);
1.7 mocm 1101: #endif
1.1 cvs 1102:
1103: /* IO window settings */
1104: link->io.NumPorts1 = link->io.NumPorts2 = 0;
1105: if ((cfg->io.nwin > 0) || (dflt.io.nwin > 0)) {
1106: cistpl_io_t *io =
1107: (cfg->io.nwin) ? &cfg->io : &dflt.io;
1108: link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
1109: if (!(io->flags & CISTPL_IO_8BIT))
1110: link->io.Attributes1 =
1111: IO_DATA_PATH_WIDTH_16;
1112: if (!(io->flags & CISTPL_IO_16BIT))
1113: link->io.Attributes1 =
1114: IO_DATA_PATH_WIDTH_8;
1115: link->io.IOAddrLines =
1116: io->flags & CISTPL_IO_LINES_MASK;
1117: link->io.BasePort1 = io->win[0].base;
1118: link->io.NumPorts1 = io->win[0].len;
1119: if (io->nwin > 1) {
1120: link->io.Attributes2 =
1121: link->io.Attributes1;
1122: link->io.BasePort2 = io->win[1].base;
1123: link->io.NumPorts2 = io->win[1].len;
1124: }
1125: }
1126:
1127: /* This reserves IO space but doesn't actually enable it */
1128: CFG_CHECK(RequestIO, link->handle, &link->io);
1129:
1130: /*
1131: Now set up a common memory window, if needed. There is room
1132: in the dev_link_t structure for one memory window handle,
1133: but if the base addresses need to be saved, or if multiple
1134: windows are needed, the info should go in the private data
1135: structure for this device.
1136:
1137: Note that the memory window base is a physical address, and
1138: needs to be mapped to virtual space with ioremap() before it
1139: is used.
1140: */
1141: if ((cfg->mem.nwin > 0) || (dflt.mem.nwin > 0)) {
1142: cistpl_mem_t *mem =
1143: (cfg->mem.nwin) ? &cfg->mem : &dflt.mem;
1144: req.Attributes =
1145: WIN_DATA_WIDTH_16 | WIN_MEMORY_TYPE_CM;
1146: req.Attributes |= WIN_ENABLE;
1147: req.Base = mem->win[0].host_addr;
1148: req.Size = mem->win[0].len;
1149: req.AccessSpeed = 0;
1150: link->win = (window_handle_t) link->handle;
1151: CFG_CHECK(RequestWindow, &link->win, &req);
1152: map.Page = 0;
1153: map.CardOffset = mem->win[0].card_addr;
1154: CFG_CHECK(MapMemPage, link->win, &map);
1155: }
1156: /* If we got this far, we're cool! */
1157: break;
1158:
1159: next_entry:
1160: CS_CHECK(GetNextTuple, handle, &tuple);
1161: }
1162:
1163: /*
1164: This actually configures the PCMCIA socket -- setting up
1165: the I/O windows and the interrupt mapping, and putting the
1166: card and host interface into "Memory and IO" mode.
1167: */
1168: CS_CHECK(RequestConfiguration, link->handle, &link->conf);
1169:
1170: /*
1171: We can release the IO port allocations here, if some other
1172: driver for the card is going to loaded, and will expect the
1173: ports to be available.
1174: */
1175: if (free_ports) {
1176: if (link->io.BasePort1)
1177: release_region(link->io.BasePort1,
1178: link->io.NumPorts1);
1179: if (link->io.BasePort2)
1180: release_region(link->io.BasePort2,
1181: link->io.NumPorts2);
1182: }
1183:
1184: /*
1185: At this point, the dev_node_t structure(s) need to be
1186: initialized and arranged in a linked list at link->dev.
1187: */
1188:
1189: first_card = card;
1190: minor=0;
1191: card->next = NULL;
1192: card_init(card, minor);
1193: if ((i = register_chrdev(CVDV_MAJOR, CVDV_PROCNAME, &cvdv_fileops))
1194: >= 0) {
1195: major_device_number = ((i) ? i : CVDV_MAJOR);
1196: printk(KERN_INFO LOGNAME
1197: ": Char-device with major number %d installed\n",
1198: major_device_number);
1199: } else {
1200: printk(KERN_ERR LOGNAME
1201: ": ERROR: Failed to install Char-device %d, error %d\n",
1202: CVDV_MAJOR, i);
1203: }
1.7 mocm 1204:
1205:
1.1 cvs 1206: sprintf(dev->node.dev_name, "margi");
1207: dev->node.major = major_device_number;
1208: dev->node.minor = minor;
1209: link->dev = &dev->node;
1.7 mocm 1210: #ifdef DVB
1211: dvb_register(card);
1212: #endif
1.1 cvs 1213: /* Finally, report what we've done */
1214: printk(KERN_INFO "%s: index 0x%02x: Vcc %d.%d",
1215: dev->node.dev_name, link->conf.ConfigIndex,
1216: link->conf.Vcc / 10, link->conf.Vcc % 10);
1217: if (link->conf.Vpp1)
1218: printk(", Vpp %d.%d", link->conf.Vpp1 / 10,
1219: link->conf.Vpp1 % 10);
1220: if (link->conf.Attributes & CONF_ENABLE_IRQ)
1221: printk(", irq %d", link->irq.AssignedIRQ);
1222: if (link->io.NumPorts1)
1223: printk(", io 0x%04x-0x%04x", link->io.BasePort1,
1224: link->io.BasePort1 + link->io.NumPorts1 - 1);
1225: if (link->io.NumPorts2)
1226: printk(" & 0x%04x-0x%04x", link->io.BasePort2,
1227: link->io.BasePort2 + link->io.NumPorts2 - 1);
1228: if (link->win)
1229: printk(", mem 0x%06lx-0x%06lx", req.Base,
1230: req.Base + req.Size - 1);
1231: printk("\n");
1232:
1233: link->state &= ~DEV_CONFIG_PENDING;
1234: if (0xdd == read_indexed_register(card, IIO_ID)) {
1235: printk("L64014 Version %d in mode %d detected\n",
1236: (read_indexed_register(card, IIO_MODE) & 248) >> 3,
1237: read_indexed_register(card, IIO_MODE) & 7);
1238: write_indexed_register(card, IIO_GPIO_CONTROL, 0x07);
1239:
1240: L64014Init(card);
1.7 mocm 1241:
1.1 cvs 1242: // default: color bars
1243: VideoSetBackground(card, 1, 0, 0, 0); // black
1244: SetVideoSystem(card);
1245: minorlist[minor] = card; // fast access for the char driver
1246:
1247:
1248: /*enable L64014 IRQ */
1249: write_indexed_register(card, IIO_IRQ_CONTROL,
1250: IRQ_POL | IRQ_EN | VSYNC_EN);
1251: // write_indexed_register(card, IIO_IRQ_CONTROL, 0x24);
1.7 mocm 1252:
1.6 mocm 1253: OSDOpen(card, 50, 50, 150, 150, 2, 1);
1254: OSDTest(card);
1.1 cvs 1255: }
1256: return;
1257:
1258: cs_failed:
1259: cs_error(link->handle, last_fn, last_ret);
1260: margi_release((u_long) link);
1261:
1262: } /* margi_config */
1263:
1264: /*======================================================================
1265:
1266: After a card is removed, margi_release() will unregister the
1267: device, and release the PCMCIA configuration. If the device is
1268: still open, this will be postponed until it is closed.
1269:
1270: ======================================================================*/
1271:
1272: static void margi_release(u_long arg)
1273: {
1274: dev_link_t *link = (dev_link_t *) arg;
1275: margi_info_t *dev = link->priv;
1276: struct cvdv_cards *card = &(dev->card);
1277:
1.13 ! mocm 1278: MDEBUG(0, "margi_release(0x%p)\n", link);
1.1 cvs 1279: /*
1280: If the device is currently in use, we won't release until it
1281: is actually closed, because until then, we can't be sure that
1282: no one will try to access the device or its data structures.
1283: */
1284: if (link->open) {
1.13 ! mocm 1285: MDEBUG(1, "margi_cs: release postponed, '%s' still open\n",
1.1 cvs 1286: link->dev->dev_name);
1287: link->state |= DEV_STALE_CONFIG;
1288: return;
1289: }
1290:
1291: /* Unlink the device chain */
1292: link->dev = NULL;
1293:
1294: /*
1295: In a normal driver, additional code may be needed to release
1296: other kernel data structures associated with this device.
1297: */
1298:
1.13 ! mocm 1299: MDEBUG(1,": Unloading device driver\n");
1.1 cvs 1300: if (major_device_number)
1301: unregister_chrdev(major_device_number, CVDV_PROCNAME);
1302: CardDeInit(card);
1303:
1.7 mocm 1304: #ifndef NOINT
1.1 cvs 1305: #ifdef USE_BH
1306: remove_bh(MARGI_BH);
1307: #endif
1308: mdelay(100);
1.7 mocm 1309: #endif
1310: CloseCard(card);
1311: #ifdef DVB
1312: dvb_unregister(card);
1313: #endif
1.1 cvs 1314: /* Don't bother checking to see if these succeed or not */
1315: if (link->win)
1316: CardServices(ReleaseWindow, link->win);
1317: CardServices(ReleaseConfiguration, link->handle);
1318: if (link->io.NumPorts1)
1319: CardServices(ReleaseIO, link->handle, &link->io);
1.7 mocm 1320: #ifndef NOINT
1.1 cvs 1321: if (link->irq.AssignedIRQ)
1322: CardServices(ReleaseIRQ, link->handle, &link->irq);
1.7 mocm 1323: #endif
1.1 cvs 1324: link->state &= ~DEV_CONFIG;
1325:
1326: if (link->state & DEV_STALE_LINK)
1327: margi_detach(link);
1328:
1329: } /* margi_release */
1330:
1331: /*======================================================================
1332:
1333: The card status event handler. Mostly, this schedules other
1334: stuff to run after an event is received.
1335:
1336: When a CARD_REMOVAL event is received, we immediately set a
1337: private flag to block future accesses to this device. All the
1338: functions that actually access the device should check this flag
1339: to make sure the card is still present.
1340:
1341: ======================================================================*/
1342:
1343: static int margi_event(event_t event, int priority,
1344: event_callback_args_t * args)
1345: {
1346: dev_link_t *link = args->client_data;
1347: margi_info_t *dev = link->priv;
1348:
1.13 ! mocm 1349: MDEBUG(1, "margi_event(0x%06x)\n", event);
1.1 cvs 1350:
1351: switch (event) {
1352: case CS_EVENT_CARD_REMOVAL:
1353: link->state &= ~DEV_PRESENT;
1354: if (link->state & DEV_CONFIG) {
1355: ((margi_info_t *) link->priv)->stop = 1;
1356: link->release.expires = jiffies + HZ / 20;
1357: add_timer(&link->release);
1358: }
1359: break;
1360: case CS_EVENT_CARD_INSERTION:
1361: link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
1362: dev->card.bus = args->bus;
1363: margi_config(link);
1364: break;
1365: case CS_EVENT_PM_SUSPEND:
1366: link->state |= DEV_SUSPEND;
1367: /* Fall through... */
1368: case CS_EVENT_RESET_PHYSICAL:
1369: /* Mark the device as stopped, to block IO until later */
1370: dev->stop = 1;
1371: if (link->state & DEV_CONFIG)
1372: CardServices(ReleaseConfiguration, link->handle);
1373: break;
1374: case CS_EVENT_PM_RESUME:
1375: link->state &= ~DEV_SUSPEND;
1376: /* Fall through... */
1377: case CS_EVENT_CARD_RESET:
1378: if (link->state & DEV_CONFIG)
1379: CardServices(RequestConfiguration, link->handle,
1380: &link->conf);
1381: dev->stop = 0;
1382: /*
1383: In a normal driver, additional code may go here to restore
1384: the device state and restart IO.
1385: */
1386: break;
1387: }
1388: return 0;
1389: } /* margi_event */
1390:
1391: /*====================================================================*/
1392:
1393: static int __init init_margi_cs(void)
1394: {
1395: servinfo_t serv;
1.13 ! mocm 1396: MDEBUG(0, "%s\n", version);
1.1 cvs 1397: CardServices(GetCardServicesInfo, &serv);
1398: if (serv.Revision != CS_RELEASE_CODE) {
1399: printk(KERN_NOTICE "margi_cs: Card Services release "
1400: "does not match!\n");
1401: return -1;
1402: }
1403: register_pccard_driver(&dev_info, &margi_attach, &margi_detach);
1404: return 0;
1405: }
1406:
1407: static void __exit exit_margi_cs(void)
1408: {
1.13 ! mocm 1409: MDEBUG(0, "margi_cs: unloading\n");
1.1 cvs 1410: unregister_pccard_driver(&dev_info);
1411: while (dev_list != NULL) {
1412: if (dev_list->state & DEV_CONFIG)
1413: margi_release((u_long) dev_list);
1414: margi_detach(dev_list);
1415: }
1416: }
1417:
1418: module_init(init_margi_cs);
1419: module_exit(exit_margi_cs);
LinuxTV legacy CVS <linuxtv.org/cvs>
![[BACK]](/cvsweb/icons/back.gif){kind=icon}
Return to margi.c CVS log ![[TXT]](/cvsweb/icons/text.gif){kind=icon}
![[DIR]](/cvsweb/icons/dir.gif){kind=icon}
Up to [DVB] / margi2