示例#1
0
/*
 * snd_pdacf_attach - attach callback for cs
 */
static int snd_pdacf_probe(struct pcmcia_device *link)
{
	int i, err;
	struct snd_pdacf *pdacf;
	struct snd_card *card;
	static struct snd_device_ops ops = {
		.dev_free =	snd_pdacf_dev_free,
	};

	snd_printdd(KERN_DEBUG "pdacf_attach called\n");
	/* find an empty slot from the card list */
	for (i = 0; i < SNDRV_CARDS; i++) {
		if (! card_list[i])
			break;
	}
	if (i >= SNDRV_CARDS) {
		snd_printk(KERN_ERR "pdacf: too many cards found\n");
		return -EINVAL;
	}
	if (! enable[i])
		return -ENODEV; /* disabled explicitly */

	/* ok, create a card instance */
	err = snd_card_create(index[i], id[i], THIS_MODULE, 0, &card);
	if (err < 0) {
		snd_printk(KERN_ERR "pdacf: cannot create a card instance\n");
		return err;
	}

	pdacf = snd_pdacf_create(card);
	if (!pdacf) {
		snd_card_free(card);
		return -ENOMEM;
	}

	err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, pdacf, &ops);
	if (err < 0) {
		kfree(pdacf);
		snd_card_free(card);
		return err;
	}

	snd_card_set_dev(card, &link->dev);

	pdacf->index = i;
	card_list[i] = card;

	pdacf->p_dev = link;
	link->priv = pdacf;

	link->resource[0]->flags |= IO_DATA_PATH_WIDTH_AUTO;
	link->resource[0]->end = 16;

	link->conf.Attributes = CONF_ENABLE_IRQ | CONF_ENABLE_PULSE_IRQ;
	link->conf.IntType = INT_MEMORY_AND_IO;
	link->conf.ConfigIndex = 1;
	link->conf.Present = PRESENT_OPTION;

	return pdacf_config(link);
}
示例#2
0
/*
 * event callback
 */
static int pdacf_event(event_t event, int priority, event_callback_args_t *args)
{
	dev_link_t *link = args->client_data;
	pdacf_t *chip = link->priv;

	switch (event) {
	case CS_EVENT_CARD_REMOVAL:
		snd_printdd(KERN_DEBUG "CARD_REMOVAL..\n");
		link->state &= ~DEV_PRESENT;
		if (link->state & DEV_CONFIG) {
			chip->chip_status |= PDAUDIOCF_STAT_IS_STALE;
		}
		break;
	case CS_EVENT_CARD_INSERTION:
		snd_printdd(KERN_DEBUG "CARD_INSERTION..\n");
		link->state |= DEV_PRESENT;
		pdacf_config(link);
		break;
#ifdef CONFIG_PM
	case CS_EVENT_PM_SUSPEND:
		snd_printdd(KERN_DEBUG "SUSPEND\n");
		link->state |= DEV_SUSPEND;
		if (chip) {
			snd_printdd(KERN_DEBUG "snd_pdacf_suspend calling\n");
			snd_pdacf_suspend(chip->card, PMSG_SUSPEND);
		}
		/* Fall through... */
	case CS_EVENT_RESET_PHYSICAL:
		snd_printdd(KERN_DEBUG "RESET_PHYSICAL\n");
		if (link->state & DEV_CONFIG)
			pcmcia_release_configuration(link->handle);
		break;
	case CS_EVENT_PM_RESUME:
		snd_printdd(KERN_DEBUG "RESUME\n");
		link->state &= ~DEV_SUSPEND;
		/* Fall through... */
	case CS_EVENT_CARD_RESET:
		snd_printdd(KERN_DEBUG "CARD_RESET\n");
		if (DEV_OK(link)) {
			snd_printdd(KERN_DEBUG "requestconfig...\n");
			pcmcia_request_configuration(link->handle, &link->conf);
			if (chip) {
				snd_printdd(KERN_DEBUG "calling snd_pdacf_resume\n");
				snd_pdacf_resume(chip->card);
			}
		}
		snd_printdd(KERN_DEBUG "resume done!\n");
		break;
#endif
	}
	return 0;
}
示例#3
0
/*
 * snd_pdacf_attach - attach callback for cs
 */
static int snd_pdacf_probe(struct pcmcia_device *link)
{
	int i;
	struct snd_pdacf *pdacf;
	struct snd_card *card;
	static struct snd_device_ops ops = {
		.dev_free =	snd_pdacf_dev_free,
	};

	snd_printdd(KERN_DEBUG "pdacf_attach called\n");
	/* find an empty slot from the card list */
	for (i = 0; i < SNDRV_CARDS; i++) {
		if (! card_list[i])
			break;
	}
	if (i >= SNDRV_CARDS) {
		snd_printk(KERN_ERR "pdacf: too many cards found\n");
		return -EINVAL;
	}
	if (! enable[i])
		return -ENODEV; /* disabled explicitly */

	/* ok, create a card instance */
	card = snd_card_new(index[i], id[i], THIS_MODULE, 0);
	if (card == NULL) {
		snd_printk(KERN_ERR "pdacf: cannot create a card instance\n");
		return -ENOMEM;
	}

	pdacf = snd_pdacf_create(card);
	if (! pdacf)
		return -EIO;

	if (snd_device_new(card, SNDRV_DEV_LOWLEVEL, pdacf, &ops) < 0) {
		kfree(pdacf);
		snd_card_free(card);
		return -ENODEV;
	}

	pdacf->index = i;
	card_list[i] = card;

	pdacf->p_dev = link;
	link->priv = pdacf;

	link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
	link->io.NumPorts1 = 16;

	link->irq.Attributes = IRQ_TYPE_EXCLUSIVE | IRQ_HANDLE_PRESENT | IRQ_FORCED_PULSE;
	// link->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING|IRQ_FIRST_SHARED;

	link->irq.IRQInfo1 = 0 /* | IRQ_LEVEL_ID */;
	link->irq.Handler = pdacf_interrupt;
	link->irq.Instance = pdacf;
	link->conf.Attributes = CONF_ENABLE_IRQ;
	link->conf.IntType = INT_MEMORY_AND_IO;
	link->conf.ConfigIndex = 1;
	link->conf.Present = PRESENT_OPTION;

	return pdacf_config(link);
}