C++ (Cpp) snd_gus_init_dma_irqの例

コード例 #1

ファイル: gus_main.c プロジェクト: FatSunHYS/OSCourseDesign

int snd_gus_initialize(struct snd_gus_card *gus)
{
	int err;

	if (!gus->interwave) {
		if ((err = snd_gus_check_version(gus)) < 0) {
			snd_printk(KERN_ERR "version check failed\n");
			return err;
		}
		if ((err = snd_gus_detect_memory(gus)) < 0)
			return err;
	}
	if ((err = snd_gus_init_dma_irq(gus, 1)) < 0)
		return err;
#if defined(CONFIG_SND_SEQUENCER) || (defined(MODULE) && defined(CONFIG_SND_SEQUENCER_MODULE))
	if (snd_seq_device_new(gus->card, 1, SNDRV_SEQ_DEV_ID_GUS,
			       sizeof(struct snd_gus_card *), &gus->seq_dev) >= 0) {
		strcpy(gus->seq_dev->name, "GUS");
		*(struct snd_gus_card **)SNDRV_SEQ_DEVICE_ARGPTR(gus->seq_dev) = gus;
		gus->seq_dev->private_data = gus;
		gus->seq_dev->private_free = snd_gus_seq_dev_free;
	}
#endif
	snd_gf1_start(gus);
	gus->initialized = 1;
	return 0;
}

コード例 #2

ファイル: gus_main.c プロジェクト: FatSunHYS/OSCourseDesign

static int snd_gus_free(struct snd_gus_card *gus)
{
	if (gus->gf1.res_port2 == NULL)
		goto __hw_end;
#if defined(CONFIG_SND_SEQUENCER) || (defined(MODULE) && defined(CONFIG_SND_SEQUENCER_MODULE))
	if (gus->seq_dev) {
		snd_device_free(gus->card, gus->seq_dev);
		gus->seq_dev = NULL;
	}
#endif
	snd_gf1_stop(gus);
	snd_gus_init_dma_irq(gus, 0);
      __hw_end:
	release_and_free_resource(gus->gf1.res_port1);
	release_and_free_resource(gus->gf1.res_port2);
	if (gus->gf1.irq >= 0)
		free_irq(gus->gf1.irq, (void *) gus);
	if (gus->gf1.dma1 >= 0) {
		disable_dma(gus->gf1.dma1);
		free_dma(gus->gf1.dma1);
	}
	if (!gus->equal_dma && gus->gf1.dma2 >= 0) {
		disable_dma(gus->gf1.dma2);
		free_dma(gus->gf1.dma2);
	}
	kfree(gus);
	return 0;
}

コード例 #3

ファイル: gus_main.c プロジェクト: adis1313/android_kernel_samsung_msm8974

int snd_gus_initialize(struct snd_gus_card *gus)
{
	int err;

	if (!gus->interwave) {
		if ((err = snd_gus_check_version(gus)) < 0) {
			snd_printk(KERN_ERR "version check failed\n");
			return err;
		}
		if ((err = snd_gus_detect_memory(gus)) < 0)
			return err;
	}
	if ((err = snd_gus_init_dma_irq(gus, 1)) < 0)
		return err;
	snd_gf1_start(gus);
	gus->initialized = 1;
	return 0;
}

コード例 #4

ファイル: gus_main.c プロジェクト: adis1313/android_kernel_samsung_msm8974

static int snd_gus_free(struct snd_gus_card *gus)
{
	if (gus->gf1.res_port2 == NULL)
		goto __hw_end;
	snd_gf1_stop(gus);
	snd_gus_init_dma_irq(gus, 0);
      __hw_end:
	release_and_free_resource(gus->gf1.res_port1);
	release_and_free_resource(gus->gf1.res_port2);
	if (gus->gf1.irq >= 0)
		free_irq(gus->gf1.irq, (void *) gus);
	if (gus->gf1.dma1 >= 0) {
		disable_dma(gus->gf1.dma1);
		free_dma(gus->gf1.dma1);
	}
	if (!gus->equal_dma && gus->gf1.dma2 >= 0) {
		disable_dma(gus->gf1.dma2);
		free_dma(gus->gf1.dma2);
	}
	kfree(gus);
	return 0;
}