mtpav.c (6bd0dd5f0ec67f654ebf95be8ef414afae1eecb7) mtpav.c (45203832df2fa9e94ca0a249ddb20d2b077e58cc)
1/*
2 * MOTU Midi Timepiece ALSA Main routines
3 * Copyright by Michael T. Mayers (c) Jan 09, 2000
4 * mail: michael@tweakoz.com
5 * Thanks to John Galbraith
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by

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298
299 // send port change command if necessary
300
301 if (portp->hwport != mtp_card->outmidihwport) {
302 mtp_card->outmidihwport = portp->hwport;
303
304 snd_mtpav_send_byte(mtp_card, 0xf5);
305 snd_mtpav_send_byte(mtp_card, portp->hwport);
1/*
2 * MOTU Midi Timepiece ALSA Main routines
3 * Copyright by Michael T. Mayers (c) Jan 09, 2000
4 * mail: michael@tweakoz.com
5 * Thanks to John Galbraith
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by

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298
299 // send port change command if necessary
300
301 if (portp->hwport != mtp_card->outmidihwport) {
302 mtp_card->outmidihwport = portp->hwport;
303
304 snd_mtpav_send_byte(mtp_card, 0xf5);
305 snd_mtpav_send_byte(mtp_card, portp->hwport);
306 //snd_printk("new outport: 0x%x\n", (unsigned int) portp->hwport);
307
306 /*
307 snd_printk(KERN_DEBUG "new outport: 0x%x\n",
308 (unsigned int) portp->hwport);
309 */
308 if (!(outbyte & 0x80) && portp->running_status)
309 snd_mtpav_send_byte(mtp_card, portp->running_status);
310 }
311
312 // send data
313
314 do {
315 if (outbyte & 0x80)

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535{
536 u8 clrread, setread;
537 u8 mtp_read_byte;
538 u8 sr, cbyt;
539 int i;
540
541 u8 sbyt = snd_mtpav_getreg(mcrd, SREG);
542
310 if (!(outbyte & 0x80) && portp->running_status)
311 snd_mtpav_send_byte(mtp_card, portp->running_status);
312 }
313
314 // send data
315
316 do {
317 if (outbyte & 0x80)

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537{
538 u8 clrread, setread;
539 u8 mtp_read_byte;
540 u8 sr, cbyt;
541 int i;
542
543 u8 sbyt = snd_mtpav_getreg(mcrd, SREG);
544
543 //printk("snd_mtpav_read_bytes() sbyt: 0x%x\n", sbyt);
545 /* printk(KERN_DEBUG "snd_mtpav_read_bytes() sbyt: 0x%x\n", sbyt); */
544
545 if (!(sbyt & SIGS_BYTE))
546 return;
547
548 cbyt = snd_mtpav_getreg(mcrd, CREG);
549 clrread = cbyt & (SIGC_READ ^ 0xff);
550 setread = cbyt | SIGC_READ;
551

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580}
581
582/*
583 * get ISA resources
584 */
585static int __devinit snd_mtpav_get_ISA(struct mtpav * mcard)
586{
587 if ((mcard->res_port = request_region(port, 3, "MotuMTPAV MIDI")) == NULL) {
546
547 if (!(sbyt & SIGS_BYTE))
548 return;
549
550 cbyt = snd_mtpav_getreg(mcrd, CREG);
551 clrread = cbyt & (SIGC_READ ^ 0xff);
552 setread = cbyt | SIGC_READ;
553

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582}
583
584/*
585 * get ISA resources
586 */
587static int __devinit snd_mtpav_get_ISA(struct mtpav * mcard)
588{
589 if ((mcard->res_port = request_region(port, 3, "MotuMTPAV MIDI")) == NULL) {
588 snd_printk("MTVAP port 0x%lx is busy\n", port);
590 snd_printk(KERN_ERR "MTVAP port 0x%lx is busy\n", port);
589 return -EBUSY;
590 }
591 mcard->port = port;
592 if (request_irq(irq, snd_mtpav_irqh, IRQF_DISABLED, "MOTU MTPAV", mcard)) {
591 return -EBUSY;
592 }
593 mcard->port = port;
594 if (request_irq(irq, snd_mtpav_irqh, IRQF_DISABLED, "MOTU MTPAV", mcard)) {
593 snd_printk("MTVAP IRQ %d busy\n", irq);
595 snd_printk(KERN_ERR "MTVAP IRQ %d busy\n", irq);
594 return -EBUSY;
595 }
596 mcard->irq = irq;
597 return 0;
598}
599
600
601/*

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691/*
692 */
693static int __devinit snd_mtpav_probe(struct platform_device *dev)
694{
695 struct snd_card *card;
696 int err;
697 struct mtpav *mtp_card;
698
596 return -EBUSY;
597 }
598 mcard->irq = irq;
599 return 0;
600}
601
602
603/*

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693/*
694 */
695static int __devinit snd_mtpav_probe(struct platform_device *dev)
696{
697 struct snd_card *card;
698 int err;
699 struct mtpav *mtp_card;
700
699 err = snd_card_create(index, id, THIS_MODULE, sizeof(*mtp_card), &card);
700 if (err < 0)
701 return err;
701 card = snd_card_new(index, id, THIS_MODULE, sizeof(*mtp_card));
702 if (! card)
703 return -ENOMEM;
702
703 mtp_card = card->private_data;
704 spin_lock_init(&mtp_card->spinlock);
705 init_timer(&mtp_card->timer);
706 mtp_card->card = card;
707 mtp_card->irq = -1;
708 mtp_card->share_irq = 0;
709 mtp_card->inmidiport = 0xffffffff;

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705 mtp_card = card->private_data;
706 spin_lock_init(&mtp_card->spinlock);
707 init_timer(&mtp_card->timer);
708 mtp_card->card = card;
709 mtp_card->irq = -1;
710 mtp_card->share_irq = 0;
711 mtp_card->inmidiport = 0xffffffff;

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