[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: Clemens Ladisch <clemens@ladisch.de>

1 files changed, 68 insertions, 50 deletions

diff --git a/sound/pci/cmipci.c b/sound/pci/cmipci.c
index 1eb3315d136d..316afb78488d 100644
--- a/sound/pci/cmipci.c
+++ b/sound/pci/cmipci.c
@@ -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) },
@@ -2867,52 +2909,28 @@ static int __devinit snd_cmipci_create(snd_card_t *card, struct pci_dev *pci,
                 return err;
         }
 
-        /* set MPU address */
-        switch (iomidi) {
-        case 0x320: val = CM_VMPU_320; break;
-        case 0x310: val = CM_VMPU_310; break;
-        case 0x300: val = CM_VMPU_300; break;
-        case 0x330: val = CM_VMPU_330; break;
-        default:
-                iomidi = 0; break;
-        }
-        if (iomidi > 0) {
-                snd_cmipci_write(cm, CM_REG_LEGACY_CTRL, val);
-                /* 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");
-                                return err;
-                        }
+        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;
+                case 0x300: val = CM_VMPU_300; break;
+                case 0x330: val = CM_VMPU_330; break;
+                default:
+                            iomidi = 0; break;
+                }
+                if (iomidi > 0) {
+                        snd_cmipci_write(cm, CM_REG_LEGACY_CTRL, val);
+                        /* enable UART */
+                        snd_cmipci_set_bit(cm, CM_REG_FUNCTRL1, CM_UART_EN);
                 }
         }
-        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);
-        }
+
+        if ((err = snd_cmipci_create_fm(cm, fm_port[dev])) < 0)
+                return err;
 
         /* 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);
                 }