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Commit 5747e540 authored by Clemens Ladisch's avatar Clemens Ladisch Committed by Jaroslav Kysela
Browse files

[ALSA] cmipci: use FM/MIDI ports in PCI port space 



Modules: CMIPCI driver

If possible, use ports in the card's PCI port address range instead of
the legacy ports.

Signed-off-by: default avatarClemens Ladisch <clemens@ladisch.de>
parent da3fca21

sound/pci/cmipci.c

+68 −50
Original line number Diff line number Diff line
@@ -446,9 +446,6 @@ struct snd_stru_cmipci { 
	snd_kcontrol_t *mixer_res_ctl[CM_SAVED_MIXERS];

	int mixer_res_status[CM_SAVED_MIXERS];



	opl3_t *opl3;

	snd_hwdep_t *opl3hwdep;



	cmipci_pcm_t channel[2];	/* ch0 - DAC, ch1 - ADC or 2nd DAC */



	/* external MIDI */
@@ -2753,6 +2750,51 @@ static int snd_cmipci_dev_free(snd_device_t *device) 
	return snd_cmipci_free(cm);

}



static int __devinit snd_cmipci_create_fm(cmipci_t *cm, long fm_port)

{

	long iosynth;

	unsigned int val;

	opl3_t *opl3;

	int err;



	/* first try FM regs in PCI port range */

	iosynth = cm->iobase + CM_REG_FM_PCI;

	err = snd_opl3_create(cm->card, iosynth, iosynth + 2,

			      OPL3_HW_OPL3, 1, &opl3);

	if (err < 0) {

		/* then try legacy ports */

		val = snd_cmipci_read(cm, CM_REG_LEGACY_CTRL) & ~CM_FMSEL_MASK;

		iosynth = fm_port;

		switch (iosynth) {

		case 0x3E8: val |= CM_FMSEL_3E8; break;

		case 0x3E0: val |= CM_FMSEL_3E0; break;

		case 0x3C8: val |= CM_FMSEL_3C8; break;

		case 0x388: val |= CM_FMSEL_388; break;

		default:

			    return 0;

		}

		snd_cmipci_write(cm, CM_REG_LEGACY_CTRL, val);

		/* enable FM */

		snd_cmipci_set_bit(cm, CM_REG_MISC_CTRL, CM_FM_EN);



		if (snd_opl3_create(cm->card, iosynth, iosynth + 2,

				    OPL3_HW_OPL3, 0, &opl3) < 0) {

			printk(KERN_ERR "cmipci: no OPL device at %#lx, "

			       "skipping...\n", iosynth);

			/* disable FM */

			snd_cmipci_write(cm, CM_REG_LEGACY_CTRL,

					 val & ~CM_FMSEL_MASK);

			snd_cmipci_clear_bit(cm, CM_REG_MISC_CTRL, CM_FM_EN);

			return 0;

		}

	}

	if ((err = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0) {

		printk(KERN_ERR "cmipci: cannot create OPL3 hwdep\n");

		return err;

	}

	return 0;

}



static int __devinit snd_cmipci_create(snd_card_t *card, struct pci_dev *pci,

				       int dev, cmipci_t **rcmipci)

{
@@ -2762,8 +2804,8 @@ static int __devinit snd_cmipci_create(snd_card_t *card, struct pci_dev *pci, 
		.dev_free =	snd_cmipci_dev_free,

	};

	unsigned int val = 0;

	long iomidi = mpu_port[dev];

	long iosynth = fm_port[dev];

	long iomidi;

	int integrated_midi;

	int pcm_index, pcm_spdif_index;

	static struct pci_device_id intel_82437vx[] = {

		{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82437VX) },
@@ -2867,7 +2909,11 @@ static int __devinit snd_cmipci_create(snd_card_t *card, struct pci_dev *pci, 
		return err;

	}



	/* set MPU address */

	integrated_midi = snd_cmipci_read_b(cm, CM_REG_MPU_PCI) != 0xff;

	if (integrated_midi)

		iomidi = cm->iobase + CM_REG_MPU_PCI;

	else {

		iomidi = mpu_port[dev];

		switch (iomidi) {

		case 0x320: val = CM_VMPU_320; break;

		case 0x310: val = CM_VMPU_310; break;
@@ -2881,38 +2927,10 @@ static int __devinit snd_cmipci_create(snd_card_t *card, struct pci_dev *pci, 
			/* enable UART */

			snd_cmipci_set_bit(cm, CM_REG_FUNCTRL1, CM_UART_EN);

		}



	/* set FM address */

	val = snd_cmipci_read(cm, CM_REG_LEGACY_CTRL) & ~CM_FMSEL_MASK;

	switch (iosynth) {

	case 0x3E8: val |= CM_FMSEL_3E8; break;

	case 0x3E0: val |= CM_FMSEL_3E0; break;

	case 0x3C8: val |= CM_FMSEL_3C8; break;

	case 0x388: val |= CM_FMSEL_388; break;

	default:

		iosynth = 0; break;

	}

	if (iosynth > 0) {

		snd_cmipci_write(cm, CM_REG_LEGACY_CTRL, val);

		/* enable FM */

		snd_cmipci_set_bit(cm, CM_REG_MISC_CTRL, CM_FM_EN);



		if (snd_opl3_create(card, iosynth, iosynth + 2,

				    OPL3_HW_OPL3, 0, &cm->opl3) < 0) {

			printk(KERN_ERR "cmipci: no OPL device at 0x%lx, skipping...\n", iosynth);

			iosynth = 0;

		} else {

			if ((err = snd_opl3_hwdep_new(cm->opl3, 0, 1, &cm->opl3hwdep)) < 0) {

				printk(KERN_ERR "cmipci: cannot create OPL3 hwdep\n");

	if ((err = snd_cmipci_create_fm(cm, fm_port[dev])) < 0)

		return err;

			}

		}

	}

	if (! iosynth) {

		/* disable FM */

		snd_cmipci_write(cm, CM_REG_LEGACY_CTRL, val & ~CM_FMSEL_MASK);

		snd_cmipci_clear_bit(cm, CM_REG_MISC_CTRL, CM_FM_EN);

	}



	/* reset mixer */

	snd_cmipci_mixer_write(cm, 0, 0);
@@ -2941,7 +2959,7 @@ static int __devinit snd_cmipci_create(snd_card_t *card, struct pci_dev *pci, 


	if (iomidi > 0) {

		if ((err = snd_mpu401_uart_new(card, 0, MPU401_HW_CMIPCI,

					       iomidi, 0,

					       iomidi, integrated_midi,

					       cm->irq, 0, &cm->rmidi)) < 0) {

			printk(KERN_ERR "cmipci: no UART401 device at 0x%lx\n", iomidi);

		}