ALSA: hdspm - Fix uninitialized compile warnings

[mv-sheeva.git] / sound / pci / rme9652 / hdspm.c

diff --git a/sound/pci/rme9652/hdspm.c b/sound/pci/rme9652/hdspm.c
index c8e402fc378247ac3cf5dcc1cd2838fb40172e85..493e3946756f9e30cecbb700d96cc48bea3df94e 100644 (file)
--- a/sound/pci/rme9652/hdspm.c
+++ b/sound/pci/rme9652/hdspm.c
@@ -521,6 +521,7 @@ MODULE_SUPPORTED_DEVICE("{{RME HDSPM-MADI}}");
 #define HDSPM_DMA_AREA_KILOBYTES (HDSPM_DMA_AREA_BYTES/1024)
 
 /* revisions >= 230 indicate AES32 card */
+#define HDSPM_MADI_ANCIENT_REV 204
 #define HDSPM_MADI_OLD_REV     207
 #define HDSPM_MADI_REV         210
 #define HDSPM_RAYDAT_REV       211
@@ -1217,6 +1218,22 @@ static int hdspm_external_sample_rate(struct hdspm *hdspm)
                                rate = 0;
                                break;
                        }
+
+                       /* QS and DS rates normally can not be detected
+                        * automatically by the card. Only exception is MADI
+                        * in 96k frame mode.
+                        *
+                        * So if we read SS values (32 .. 48k), check for
+                        * user-provided DS/QS bits in the control register
+                        * and multiply the base frequency accordingly.
+                        */
+                       if (rate <= 48000) {
+                               if (hdspm->control_register & HDSPM_QuadSpeed)
+                                       rate *= 4;
+                               else if (hdspm->control_register &
+                                               HDSPM_DoubleSpeed)
+                                       rate *= 2;
+                       }
                }
                break;
        }
@@ -1322,6 +1339,10 @@ static u64 hdspm_calc_dds_value(struct hdspm *hdspm, u64 period)
                break;
        case MADIface:
                freq_const = 131072000000000ULL;
+               break;
+       default:
+               snd_BUG();
+               return 0;
        }
 
        return div_u64(freq_const, period);
@@ -1339,16 +1360,19 @@ static void hdspm_set_dds_value(struct hdspm *hdspm, int rate)
 
        switch (hdspm->io_type) {
        case MADIface:
-         n = 131072000000000ULL;  /* 125 MHz */
-         break;
+               n = 131072000000000ULL;  /* 125 MHz */
+               break;
        case MADI:
        case AES32:
-         n = 110069313433624ULL;  /* 105 MHz */
-         break;
+               n = 110069313433624ULL;  /* 105 MHz */
+               break;
        case RayDAT:
        case AIO:
-         n = 104857600000000ULL;  /* 100 MHz */
-         break;
+               n = 104857600000000ULL;  /* 100 MHz */
+               break;
+       default:
+               snd_BUG();
+               return;
        }
 
        n = div_u64(n, rate);
@@ -3415,6 +3439,91 @@ static int snd_hdspm_put_qs_wire(struct snd_kcontrol *kcontrol,
        return change;
 }
 
+#define HDSPM_MADI_SPEEDMODE(xname, xindex) \
+{      .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
+       .name = xname, \
+       .index = xindex, \
+       .info = snd_hdspm_info_madi_speedmode, \
+       .get = snd_hdspm_get_madi_speedmode, \
+       .put = snd_hdspm_put_madi_speedmode \
+}
+
+static int hdspm_madi_speedmode(struct hdspm *hdspm)
+{
+       if (hdspm->control_register & HDSPM_QuadSpeed)
+               return 2;
+       if (hdspm->control_register & HDSPM_DoubleSpeed)
+               return 1;
+       return 0;
+}
+
+static int hdspm_set_madi_speedmode(struct hdspm *hdspm, int mode)
+{
+       hdspm->control_register &= ~(HDSPM_DoubleSpeed | HDSPM_QuadSpeed);
+       switch (mode) {
+       case 0:
+               break;
+       case 1:
+               hdspm->control_register |= HDSPM_DoubleSpeed;
+               break;
+       case 2:
+               hdspm->control_register |= HDSPM_QuadSpeed;
+               break;
+       }
+       hdspm_write(hdspm, HDSPM_controlRegister, hdspm->control_register);
+
+       return 0;
+}
+
+static int snd_hdspm_info_madi_speedmode(struct snd_kcontrol *kcontrol,
+                                      struct snd_ctl_elem_info *uinfo)
+{
+       static char *texts[] = { "Single", "Double", "Quad" };
+
+       uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
+       uinfo->count = 1;
+       uinfo->value.enumerated.items = 3;
+
+       if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
+               uinfo->value.enumerated.item =
+                   uinfo->value.enumerated.items - 1;
+       strcpy(uinfo->value.enumerated.name,
+              texts[uinfo->value.enumerated.item]);
+
+       return 0;
+}
+
+static int snd_hdspm_get_madi_speedmode(struct snd_kcontrol *kcontrol,
+                                     struct snd_ctl_elem_value *ucontrol)
+{
+       struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
+
+       spin_lock_irq(&hdspm->lock);
+       ucontrol->value.enumerated.item[0] = hdspm_madi_speedmode(hdspm);
+       spin_unlock_irq(&hdspm->lock);
+       return 0;
+}
+
+static int snd_hdspm_put_madi_speedmode(struct snd_kcontrol *kcontrol,
+                                     struct snd_ctl_elem_value *ucontrol)
+{
+       struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
+       int change;
+       int val;
+
+       if (!snd_hdspm_use_is_exclusive(hdspm))
+               return -EBUSY;
+       val = ucontrol->value.integer.value[0];
+       if (val < 0)
+               val = 0;
+       if (val > 2)
+               val = 2;
+       spin_lock_irq(&hdspm->lock);
+       change = val != hdspm_madi_speedmode(hdspm);
+       hdspm_set_madi_speedmode(hdspm, val);
+       spin_unlock_irq(&hdspm->lock);
+       return change;
+}
 
 #define HDSPM_MIXER(xname, xindex) \
 { .iface = SNDRV_CTL_ELEM_IFACE_HWDEP, \
@@ -4289,7 +4398,8 @@ static struct snd_kcontrol_new snd_hdspm_controls_madi[] = {
        HDSPM_TX_64("TX 64 channels mode", 0),
        HDSPM_C_TMS("Clear Track Marker", 0),
        HDSPM_SAFE_MODE("Safe Mode", 0),
-       HDSPM_INPUT_SELECT("Input Select", 0)
+       HDSPM_INPUT_SELECT("Input Select", 0),
+       HDSPM_MADI_SPEEDMODE("MADI Speed Mode", 0)
 };
 
 
@@ -4302,7 +4412,8 @@ static struct snd_kcontrol_new snd_hdspm_controls_madiface[] = {
        HDSPM_SYNC_CHECK("MADI SyncCheck", 0),
        HDSPM_TX_64("TX 64 channels mode", 0),
        HDSPM_C_TMS("Clear Track Marker", 0),
-       HDSPM_SAFE_MODE("Safe Mode", 0)
+       HDSPM_SAFE_MODE("Safe Mode", 0),
+       HDSPM_MADI_SPEEDMODE("MADI Speed Mode", 0)
 };
 
 static struct snd_kcontrol_new snd_hdspm_controls_aio[] = {
@@ -6381,6 +6492,7 @@ static int __devinit snd_hdspm_create(struct snd_card *card,
        switch (hdspm->firmware_rev) {
        case HDSPM_MADI_REV:
        case HDSPM_MADI_OLD_REV:
+       case HDSPM_MADI_ANCIENT_REV:
                hdspm->io_type = MADI;
                hdspm->card_name = "RME MADI";
                hdspm->midiPorts = 3;
@@ -6441,7 +6553,7 @@ static int __devinit snd_hdspm_create(struct snd_card *card,
                        hdspm->port + io_extent - 1);
 
        if (request_irq(pci->irq, snd_hdspm_interrupt,
-                               IRQF_SHARED, "hdspm", hdspm)) {
+                       IRQF_SHARED, KBUILD_MODNAME, hdspm)) {
                snd_printk(KERN_ERR "HDSPM: unable to use IRQ %d\n", pci->irq);
                return -EBUSY;
        }
@@ -6779,7 +6891,7 @@ static void __devexit snd_hdspm_remove(struct pci_dev *pci)
 }
 
 static struct pci_driver driver = {
-       .name = "RME Hammerfall DSP MADI",
+       .name = KBUILD_MODNAME,
        .id_table = snd_hdspm_ids,
        .probe = snd_hdspm_probe,
        .remove = __devexit_p(snd_hdspm_remove),