-/* -*- linux-c -*-
- *
+/*
* ALSA driver for RME Hammerfall DSP MADI audio interface(s)
*
* Copyright (c) 2003 Winfried Ritsch (IEM)
"Enable Analog Out on Channel 63/64 by default.");
MODULE_AUTHOR
- ("Winfried Ritsch <ritsch_AT_iem.at>, Paul Davis <paul@linuxaudiosystems.com>, "
+ ("Winfried Ritsch <ritsch_AT_iem.at>, "
+ "Paul Davis <paul@linuxaudiosystems.com>, "
"Marcus Andersson, Thomas Charbonnel <thomas@undata.org>, "
"Remy Bruno <remy.bruno@trinnov.com>");
MODULE_DESCRIPTION("RME HDSPM");
0=off, 1=on */ /* MADI ONLY */
#define HDSPM_Dolby (1<<11) /* Dolby = "NonAudio" ?? */ /* AES32 ONLY */
-#define HDSPM_InputSelect0 (1<<14) /* Input select 0= optical, 1=coax */ /* MADI ONLY*/
+#define HDSPM_InputSelect0 (1<<14) /* Input select 0= optical, 1=coax
+ * -- MADI ONLY
+ */
#define HDSPM_InputSelect1 (1<<15) /* should be 0 */
#define HDSPM_SyncRef0 (1<<16) /* 0=WOrd, 1=MADI */
/* --- bit helper defines */
#define HDSPM_LatencyMask (HDSPM_Latency0|HDSPM_Latency1|HDSPM_Latency2)
-#define HDSPM_FrequencyMask (HDSPM_Frequency0|HDSPM_Frequency1|HDSPM_DoubleSpeed|HDSPM_QuadSpeed)
+#define HDSPM_FrequencyMask (HDSPM_Frequency0|HDSPM_Frequency1|\
+ HDSPM_DoubleSpeed|HDSPM_QuadSpeed)
#define HDSPM_InputMask (HDSPM_InputSelect0|HDSPM_InputSelect1)
#define HDSPM_InputOptical 0
#define HDSPM_InputCoaxial (HDSPM_InputSelect0)
-#define HDSPM_SyncRefMask (HDSPM_SyncRef0|HDSPM_SyncRef1|HDSPM_SyncRef2|HDSPM_SyncRef3)
+#define HDSPM_SyncRefMask (HDSPM_SyncRef0|HDSPM_SyncRef1|\
+ HDSPM_SyncRef2|HDSPM_SyncRef3)
#define HDSPM_SyncRef_Word 0
#define HDSPM_SyncRef_MADI (HDSPM_SyncRef0)
#define HDSPM_Frequency48KHz (HDSPM_Frequency1|HDSPM_Frequency0)
#define HDSPM_Frequency64KHz (HDSPM_DoubleSpeed|HDSPM_Frequency0)
#define HDSPM_Frequency88_2KHz (HDSPM_DoubleSpeed|HDSPM_Frequency1)
-#define HDSPM_Frequency96KHz (HDSPM_DoubleSpeed|HDSPM_Frequency1|HDSPM_Frequency0)
+#define HDSPM_Frequency96KHz (HDSPM_DoubleSpeed|HDSPM_Frequency1|\
+ HDSPM_Frequency0)
#define HDSPM_Frequency128KHz (HDSPM_QuadSpeed|HDSPM_Frequency0)
#define HDSPM_Frequency176_4KHz (HDSPM_QuadSpeed|HDSPM_Frequency1)
-#define HDSPM_Frequency192KHz (HDSPM_QuadSpeed|HDSPM_Frequency1|HDSPM_Frequency0)
+#define HDSPM_Frequency192KHz (HDSPM_QuadSpeed|HDSPM_Frequency1|\
+ HDSPM_Frequency0)
/* --- for internal discrimination */
#define HDSPM_CLOCK_SOURCE_AUTOSYNC 0 /* Sample Clock Sources */
#define HDSPM_RD_MULTIPLE (1<<10)
/* --- Status Register bits --- */ /* MADI ONLY */ /* Bits defined here and
- that do not conflict with specific bits for AES32 seem to be valid also for the AES32 */
+ that do not conflict with specific bits for AES32 seem to be valid also
+ for the AES32
+ */
#define HDSPM_audioIRQPending (1<<0) /* IRQ is high and pending */
-#define HDSPM_RX_64ch (1<<1) /* Input 64chan. MODE=1, 56chn. MODE=0 */
-#define HDSPM_AB_int (1<<2) /* InputChannel Opt=0, Coax=1 (like inp0) */
+#define HDSPM_RX_64ch (1<<1) /* Input 64chan. MODE=1, 56chn MODE=0 */
+#define HDSPM_AB_int (1<<2) /* InputChannel Opt=0, Coax=1
+ * (like inp0)
+ */
#define HDSPM_madiLock (1<<3) /* MADI Locked =1, no=0 */
#define HDSPM_BufferPositionMask 0x000FFC0 /* Bit 6..15 : h/w buffer pointer */
#define HDSPM_madiFreq2 (1<<24) /* 4=64, 5=88.2 6=96 */
#define HDSPM_madiFreq3 (1<<25) /* 7=128, 8=176.4 9=192 */
-#define HDSPM_BufferID (1<<26) /* (Double)Buffer ID toggles with Interrupt */
+#define HDSPM_BufferID (1<<26) /* (Double)Buffer ID toggles with
+ * Interrupt
+ */
#define HDSPM_midi0IRQPending (1<<30) /* MIDI IRQ is pending */
#define HDSPM_midi1IRQPending (1<<31) /* and aktiv */
/* --- status bit helpers */
-#define HDSPM_madiFreqMask (HDSPM_madiFreq0|HDSPM_madiFreq1|HDSPM_madiFreq2|HDSPM_madiFreq3)
+#define HDSPM_madiFreqMask (HDSPM_madiFreq0|HDSPM_madiFreq1|\
+ HDSPM_madiFreq2|HDSPM_madiFreq3)
#define HDSPM_madiFreq32 (HDSPM_madiFreq0)
#define HDSPM_madiFreq44_1 (HDSPM_madiFreq1)
#define HDSPM_madiFreq48 (HDSPM_madiFreq0|HDSPM_madiFreq1)
#define HDSPM_wcFreq96 (HDSPM_wc_freq1|HDSPM_wc_freq2)
-#define HDSPM_SelSyncRefMask (HDSPM_SelSyncRef0|HDSPM_SelSyncRef1|HDSPM_SelSyncRef2)
+#define HDSPM_SelSyncRefMask (HDSPM_SelSyncRef0|HDSPM_SelSyncRef1|\
+ HDSPM_SelSyncRef2)
#define HDSPM_SelSyncRef_WORD 0
#define HDSPM_SelSyncRef_MADI (HDSPM_SelSyncRef0)
-#define HDSPM_SelSyncRef_NVALID (HDSPM_SelSyncRef0|HDSPM_SelSyncRef1|HDSPM_SelSyncRef2)
+#define HDSPM_SelSyncRef_NVALID (HDSPM_SelSyncRef0|HDSPM_SelSyncRef1|\
+ HDSPM_SelSyncRef2)
/*
For AES32, bits for status, status2 and timecode are different
struct hdspm {
spinlock_t lock;
- struct snd_pcm_substream *capture_substream; /* only one playback */
- struct snd_pcm_substream *playback_substream; /* and/or capture stream */
+ /* only one playback and/or capture stream */
+ struct snd_pcm_substream *capture_substream;
+ struct snd_pcm_substream *playback_substream;
char *card_name; /* for procinfo */
unsigned short firmware_rev; /* dont know if relevant (yes if AES32)*/
struct pci_dev *pci; /* and an pci info */
/* Mixer vars */
- struct snd_kcontrol *playback_mixer_ctls[HDSPM_MAX_CHANNELS]; /* fast alsa mixer */
- struct snd_kcontrol *input_mixer_ctls[HDSPM_MAX_CHANNELS]; /* but input to much, so not used */
- struct hdspm_mixer *mixer; /* full mixer accessable over mixer ioctl or hwdep-device */
+ /* fast alsa mixer */
+ struct snd_kcontrol *playback_mixer_ctls[HDSPM_MAX_CHANNELS];
+ /* but input to much, so not used */
+ struct snd_kcontrol *input_mixer_ctls[HDSPM_MAX_CHANNELS];
+ /* full mixer accessable over mixer ioctl or hwdep-device */
+ struct hdspm_mixer *mixer;
};
if (hdspm->is_aes32) {
unsigned int status2 = hdspm_read(hdspm, HDSPM_statusRegister2);
unsigned int status = hdspm_read(hdspm, HDSPM_statusRegister);
- unsigned int timecode = hdspm_read(hdspm, HDSPM_timecodeRegister);
+ unsigned int timecode =
+ hdspm_read(hdspm, HDSPM_timecodeRegister);
int syncref = hdspm_autosync_ref(hdspm);
if (syncref == HDSPM_AES32_AUTOSYNC_FROM_WORD &&
status & HDSPM_AES32_wcLock)
- return HDSPM_bit2freq((status >> HDSPM_AES32_wcFreq_bit) & 0xF);
+ return HDSPM_bit2freq((status >> HDSPM_AES32_wcFreq_bit)
+ & 0xF);
if (syncref >= HDSPM_AES32_AUTOSYNC_FROM_AES1 &&
syncref <= HDSPM_AES32_AUTOSYNC_FROM_AES8 &&
status2 & (HDSPM_LockAES >>
}
}
- /* if rate detected and Syncref is Word than have it, word has priority to MADI */
+ /* if rate detected and Syncref is Word than have it,
+ * word has priority to MADI
+ */
if (rate != 0 &&
(status2 & HDSPM_SelSyncRefMask) == HDSPM_SelSyncRef_WORD)
return rate;
position = hdspm_read(hdspm, HDSPM_statusRegister);
- if (!hdspm->precise_ptr) {
- return (position & HDSPM_BufferID) ? (hdspm->period_bytes /
- 4) : 0;
- }
+ if (!hdspm->precise_ptr)
+ return (position & HDSPM_BufferID) ?
+ (hdspm->period_bytes / 4) : 0;
- /* hwpointer comes in bytes and is 64Bytes accurate (by docu since PCI Burst)
+ /* hwpointer comes in bytes and is 64Bytes accurate (by docu since
+ PCI Burst)
i have experimented that it is at most 64 Byte to much for playing
so substraction of 64 byte should be ok for ALSA, but use it only
for application where you know what you do since if you come to
rate /= 2;
/* RME says n = 104857600000000, but in the windows MADI driver, I see:
-// return 104857600000000 / rate; // 100 MHz
+ return 104857600000000 / rate; // 100 MHz
return 110100480000000 / rate; // 105 MHz
*/
- //n = 104857600000000ULL; /* = 2^20 * 10^8 */
+ /* n = 104857600000000ULL; */ /* = 2^20 * 10^8 */
n = 110100480000000ULL; /* Value checked for AES32 and MADI */
div64_32(&n, rate, &r);
/* n should be less than 2^32 for being written to FREQ register */
just make a warning an remember setting
for future master mode switching */
- snd_printk
- (KERN_WARNING "HDSPM: Warning: device is not running as a clock master.\n");
+ snd_printk(KERN_WARNING "HDSPM: "
+ "Warning: device is not running "
+ "as a clock master.\n");
not_set = 1;
} else {
int external_freq =
hdspm_external_sample_rate(hdspm);
- if ((hdspm_autosync_ref(hdspm) ==
- HDSPM_AUTOSYNC_FROM_NONE)) {
+ if (hdspm_autosync_ref(hdspm) ==
+ HDSPM_AUTOSYNC_FROM_NONE) {
- snd_printk(KERN_WARNING "HDSPM: Detected no Externel Sync \n");
+ snd_printk(KERN_WARNING "HDSPM: "
+ "Detected no Externel Sync \n");
not_set = 1;
} else if (rate != external_freq) {
- snd_printk
- (KERN_WARNING "HDSPM: Warning: No AutoSync source for requested rate\n");
+ snd_printk(KERN_WARNING "HDSPM: "
+ "Warning: No AutoSync source for "
+ "requested rate\n");
not_set = 1;
}
}
if (reject_if_open
&& (hdspm->capture_pid >= 0 || hdspm->playback_pid >= 0)) {
snd_printk
- (KERN_ERR "HDSPM: cannot change between single- and double-speed mode (capture PID = %d, playback PID = %d)\n",
+ (KERN_ERR "HDSPM: "
+ "cannot change between single- and double-speed mode "
+ "(capture PID = %d, playback PID = %d)\n",
hdspm->capture_pid, hdspm->playback_pid);
return -EBUSY;
}
static void all_in_all_mixer(struct hdspm * hdspm, int sgain)
{
int i, j;
- unsigned int gain =
- (sgain > UNITY_GAIN) ? UNITY_GAIN : (sgain < 0) ? 0 : sgain;
+ unsigned int gain;
+
+ if (sgain > UNITY_GAIN)
+ gain = UNITY_GAIN;
+ else if (sgain < 0)
+ gain = 0;
+ else
+ gain = sgain;
for (i = 0; i < HDSPM_MIXER_CHANNELS; i++)
for (j = 0; j < HDSPM_MIXER_CHANNELS; j++) {
MIDI
----------------------------------------------------------------------------*/
-static inline unsigned char snd_hdspm_midi_read_byte (struct hdspm *hdspm, int id)
+static inline unsigned char snd_hdspm_midi_read_byte (struct hdspm *hdspm,
+ int id)
{
/* the hardware already does the relevant bit-mask with 0xff */
if (id)
return hdspm_read(hdspm, HDSPM_midiDataIn0);
}
-static inline void snd_hdspm_midi_write_byte (struct hdspm *hdspm, int id, int val)
+static inline void snd_hdspm_midi_write_byte (struct hdspm *hdspm, int id,
+ int val)
{
/* the hardware already does the relevant bit-mask with 0xff */
if (id)
int fifo_bytes_used;
if (id)
- fifo_bytes_used = hdspm_read(hdspm, HDSPM_midiStatusOut1) & 0xff;
+ fifo_bytes_used = hdspm_read(hdspm, HDSPM_midiStatusOut1);
else
- fifo_bytes_used = hdspm_read(hdspm, HDSPM_midiStatusOut0) & 0xff;
+ fifo_bytes_used = hdspm_read(hdspm, HDSPM_midiStatusOut0);
+ fifo_bytes_used &= 0xff;
if (fifo_bytes_used < 128)
return 128 - fifo_bytes_used;
/* Output is not interrupt driven */
spin_lock_irqsave (&hmidi->lock, flags);
- if (hmidi->output) {
- if (!snd_rawmidi_transmit_empty (hmidi->output)) {
- if ((n_pending = snd_hdspm_midi_output_possible (hmidi->hdspm, hmidi->id)) > 0) {
- if (n_pending > (int)sizeof (buf))
- n_pending = sizeof (buf);
-
- if ((to_write = snd_rawmidi_transmit (hmidi->output, buf, n_pending)) > 0) {
- for (i = 0; i < to_write; ++i)
- snd_hdspm_midi_write_byte (hmidi->hdspm, hmidi->id, buf[i]);
- }
+ if (hmidi->output &&
+ !snd_rawmidi_transmit_empty (hmidi->output)) {
+ n_pending = snd_hdspm_midi_output_possible (hmidi->hdspm,
+ hmidi->id);
+ if (n_pending > 0) {
+ if (n_pending > (int)sizeof (buf))
+ n_pending = sizeof (buf);
+
+ to_write = snd_rawmidi_transmit (hmidi->output, buf,
+ n_pending);
+ if (to_write > 0) {
+ for (i = 0; i < to_write; ++i)
+ snd_hdspm_midi_write_byte (hmidi->hdspm,
+ hmidi->id,
+ buf[i]);
}
}
}
static int snd_hdspm_midi_input_read (struct hdspm_midi *hmidi)
{
- unsigned char buf[128]; /* this buffer is designed to match the MIDI input FIFO size */
+ unsigned char buf[128]; /* this buffer is designed to match the MIDI
+ * input FIFO size
+ */
unsigned long flags;
int n_pending;
int i;
spin_lock_irqsave (&hmidi->lock, flags);
- if ((n_pending = snd_hdspm_midi_input_available (hmidi->hdspm, hmidi->id)) > 0) {
+ n_pending = snd_hdspm_midi_input_available (hmidi->hdspm, hmidi->id);
+ if (n_pending > 0) {
if (hmidi->input) {
- if (n_pending > (int)sizeof (buf)) {
+ if (n_pending > (int)sizeof (buf))
n_pending = sizeof (buf);
- }
- for (i = 0; i < n_pending; ++i) {
- buf[i] = snd_hdspm_midi_read_byte (hmidi->hdspm, hmidi->id);
- }
- if (n_pending) {
- snd_rawmidi_receive (hmidi->input, buf, n_pending);
- }
+ for (i = 0; i < n_pending; ++i)
+ buf[i] = snd_hdspm_midi_read_byte (hmidi->hdspm,
+ hmidi->id);
+ if (n_pending)
+ snd_rawmidi_receive (hmidi->input, buf,
+ n_pending);
} else {
/* flush the MIDI input FIFO */
- while (n_pending--) {
- snd_hdspm_midi_read_byte (hmidi->hdspm, hmidi->id);
- }
+ while (n_pending--)
+ snd_hdspm_midi_read_byte (hmidi->hdspm,
+ hmidi->id);
}
}
hmidi->pending = 0;
- if (hmidi->id) {
+ if (hmidi->id)
hmidi->hdspm->control_register |= HDSPM_Midi1InterruptEnable;
- } else {
+ else
hmidi->hdspm->control_register |= HDSPM_Midi0InterruptEnable;
- }
- hdspm_write(hmidi->hdspm, HDSPM_controlRegister, hmidi->hdspm->control_register);
+ hdspm_write(hmidi->hdspm, HDSPM_controlRegister,
+ hmidi->hdspm->control_register);
spin_unlock_irqrestore (&hmidi->lock, flags);
return snd_hdspm_midi_output_write (hmidi);
}
-static void snd_hdspm_midi_input_trigger(struct snd_rawmidi_substream *substream, int up)
+static void
+snd_hdspm_midi_input_trigger(struct snd_rawmidi_substream *substream, int up)
{
struct hdspm *hdspm;
struct hdspm_midi *hmidi;
unsigned long flags;
u32 ie;
- hmidi = (struct hdspm_midi *) substream->rmidi->private_data;
+ hmidi = substream->rmidi->private_data;
hdspm = hmidi->hdspm;
- ie = hmidi->id ? HDSPM_Midi1InterruptEnable : HDSPM_Midi0InterruptEnable;
+ ie = hmidi->id ?
+ HDSPM_Midi1InterruptEnable : HDSPM_Midi0InterruptEnable;
spin_lock_irqsave (&hdspm->lock, flags);
if (up) {
if (!(hdspm->control_register & ie)) {
spin_unlock_irqrestore (&hmidi->lock, flags);
}
-static void snd_hdspm_midi_output_trigger(struct snd_rawmidi_substream *substream, int up)
+static void
+snd_hdspm_midi_output_trigger(struct snd_rawmidi_substream *substream, int up)
{
struct hdspm_midi *hmidi;
unsigned long flags;
- hmidi = (struct hdspm_midi *) substream->rmidi->private_data;
+ hmidi = substream->rmidi->private_data;
spin_lock_irqsave (&hmidi->lock, flags);
if (up) {
if (!hmidi->istimer) {
hmidi->istimer++;
}
} else {
- if (hmidi->istimer && --hmidi->istimer <= 0) {
+ if (hmidi->istimer && --hmidi->istimer <= 0)
del_timer (&hmidi->timer);
- }
}
spin_unlock_irqrestore (&hmidi->lock, flags);
if (up)
{
struct hdspm_midi *hmidi;
- hmidi = (struct hdspm_midi *) substream->rmidi->private_data;
+ hmidi = substream->rmidi->private_data;
spin_lock_irq (&hmidi->lock);
snd_hdspm_flush_midi_input (hmidi->hdspm, hmidi->id);
hmidi->input = substream;
{
struct hdspm_midi *hmidi;
- hmidi = (struct hdspm_midi *) substream->rmidi->private_data;
+ hmidi = substream->rmidi->private_data;
spin_lock_irq (&hmidi->lock);
hmidi->output = substream;
spin_unlock_irq (&hmidi->lock);
snd_hdspm_midi_input_trigger (substream, 0);
- hmidi = (struct hdspm_midi *) substream->rmidi->private_data;
+ hmidi = substream->rmidi->private_data;
spin_lock_irq (&hmidi->lock);
hmidi->input = NULL;
spin_unlock_irq (&hmidi->lock);
snd_hdspm_midi_output_trigger (substream, 0);
- hmidi = (struct hdspm_midi *) substream->rmidi->private_data;
+ hmidi = substream->rmidi->private_data;
spin_lock_irq (&hmidi->lock);
hmidi->output = NULL;
spin_unlock_irq (&hmidi->lock);
.trigger = snd_hdspm_midi_input_trigger,
};
-static int __devinit snd_hdspm_create_midi (struct snd_card *card, struct hdspm *hdspm, int id)
+static int __devinit snd_hdspm_create_midi (struct snd_card *card,
+ struct hdspm *hdspm, int id)
{
int err;
char buf[32];
hdspm->midi[id].id = id;
- hdspm->midi[id].rmidi = NULL;
- hdspm->midi[id].input = NULL;
- hdspm->midi[id].output = NULL;
hdspm->midi[id].hdspm = hdspm;
- hdspm->midi[id].istimer = 0;
- hdspm->midi[id].pending = 0;
spin_lock_init (&hdspm->midi[id].lock);
sprintf (buf, "%s MIDI %d", card->shortname, id+1);
- if ((err = snd_rawmidi_new (card, buf, id, 1, 1, &hdspm->midi[id].rmidi)) < 0)
+ err = snd_rawmidi_new (card, buf, id, 1, 1, &hdspm->midi[id].rmidi);
+ if (err < 0)
return err;
sprintf (hdspm->midi[id].rmidi->name, "%s MIDI %d", card->id, id+1);
hdspm->midi[id].rmidi->private_data = &hdspm->midi[id];
- snd_rawmidi_set_ops (hdspm->midi[id].rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT, &snd_hdspm_midi_output);
- snd_rawmidi_set_ops (hdspm->midi[id].rmidi, SNDRV_RAWMIDI_STREAM_INPUT, &snd_hdspm_midi_input);
+ snd_rawmidi_set_ops(hdspm->midi[id].rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT,
+ &snd_hdspm_midi_output);
+ snd_rawmidi_set_ops(hdspm->midi[id].rmidi, SNDRV_RAWMIDI_STREAM_INPUT,
+ &snd_hdspm_midi_input);
hdspm->midi[id].rmidi->info_flags |= SNDRV_RAWMIDI_INFO_OUTPUT |
SNDRV_RAWMIDI_INFO_INPUT |
hdspm->control_register |= HDSPM_SyncRef2+HDSPM_SyncRef1;
break;
case 7:
- hdspm->control_register |= HDSPM_SyncRef2+HDSPM_SyncRef1+HDSPM_SyncRef0;
+ hdspm->control_register |=
+ HDSPM_SyncRef2+HDSPM_SyncRef1+HDSPM_SyncRef0;
break;
case 8:
hdspm->control_register |= HDSPM_SyncRef3;
uinfo->value.enumerated.items = 9;
- if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
+ if (uinfo->value.enumerated.item >=
+ uinfo->value.enumerated.items)
uinfo->value.enumerated.item =
uinfo->value.enumerated.items - 1;
strcpy(uinfo->value.enumerated.name,
uinfo->value.enumerated.items = 2;
- if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
+ if (uinfo->value.enumerated.item >=
+ uinfo->value.enumerated.items)
uinfo->value.enumerated.item =
uinfo->value.enumerated.items - 1;
strcpy(uinfo->value.enumerated.name,
{
if (hdspm->is_aes32) {
unsigned int status = hdspm_read(hdspm, HDSPM_statusRegister);
- unsigned int syncref = (status >> HDSPM_AES32_syncref_bit) & 0xF;
+ unsigned int syncref = (status >> HDSPM_AES32_syncref_bit) &
+ 0xF;
if (syncref == 0)
return HDSPM_AES32_AUTOSYNC_FROM_WORD;
if (syncref <= 8)
uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
uinfo->count = 1;
uinfo->value.enumerated.items = 10;
- if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
+ 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]);
- }
- else
- {
+ } else {
static char *texts[] = { "WordClock", "MADI", "None" };
uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
uinfo->count = 1;
uinfo->value.enumerated.items = 3;
- if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
+ if (uinfo->value.enumerated.item >=
+ uinfo->value.enumerated.items)
uinfo->value.enumerated.item =
uinfo->value.enumerated.items - 1;
strcpy(uinfo->value.enumerated.name,
if (val > 2)
val = 2;
spin_lock_irq(&hdspm->lock);
- change = (int) val != hdspm_qs_wire(hdspm);
+ change = val != hdspm_qs_wire(hdspm);
hdspm_set_qs_wire(hdspm, val);
spin_unlock_irq(&hdspm->lock);
return change;
source -
HDSPM_MAX_CHANNELS);
else
- change =
- gain != hdspm_read_in_gain(hdspm, destination, source);
+ change = gain != hdspm_read_in_gain(hdspm, destination,
+ source);
if (change) {
if (source >= HDSPM_MAX_CHANNELS)
snd_assert(channel >= 0
|| channel < HDSPM_MAX_CHANNELS, return -EINVAL);
- if ((mapped_channel = hdspm->channel_map[channel]) < 0)
+ mapped_channel = hdspm->channel_map[channel];
+ if (mapped_channel < 0)
return -EINVAL;
spin_lock_irq(&hdspm->lock);
hdspm_read_pb_gain(hdspm, mapped_channel, mapped_channel);
spin_unlock_irq(&hdspm->lock);
- /* snd_printdd("get pb mixer index %d, channel %d, mapped_channel %d, value %d\n",
- ucontrol->id.index, channel, mapped_channel, ucontrol->value.integer.value[0]);
- */
-
+ /*
+ snd_printdd("get pb mixer index %d, channel %d, mapped_channel %d, "
+ "value %d\n",
+ ucontrol->id.index, channel, mapped_channel,
+ ucontrol->value.integer.value[0]);
+ */
return 0;
}
snd_assert(channel >= 0
|| channel < HDSPM_MAX_CHANNELS, return -EINVAL);
- if ((mapped_channel = hdspm->channel_map[channel]) < 0)
+ mapped_channel = hdspm->channel_map[channel];
+ if (mapped_channel < 0)
return -EINVAL;
gain = ucontrol->value.integer.value[0];
}
/* Channel playback mixer as default control
-Note: the whole matrix would be 128*HDSPM_MIXER_CHANNELS Faders, thats too big for any alsamixer
-they are accesible via special IOCTL on hwdep
-and the mixer 2dimensional mixer control */
+ Note: the whole matrix would be 128*HDSPM_MIXER_CHANNELS Faders,
+ thats too * big for any alsamixer they are accesible via special
+ IOCTL on hwdep and the mixer 2dimensional mixer control
+ */
snd_hdspm_playback_mixer.name = "Chn";
limit = HDSPM_MAX_CHANNELS;
- /* The index values are one greater than the channel ID so that alsamixer
- will display them correctly. We want to use the index for fast lookup
- of the relevant channel, but if we use it at all, most ALSA software
- does the wrong thing with it ...
+ /* The index values are one greater than the channel ID so that
+ * alsamixer will display them correctly. We want to use the index
+ * for fast lookup of the relevant channel, but if we use it at all,
+ * most ALSA software does the wrong thing with it ...
*/
for (idx = 0; idx < limit; ++idx) {
snd_hdspm_playback_mixer.index = idx + 1;
- if ((err = snd_ctl_add(card,
- kctl =
- snd_ctl_new1
- (&snd_hdspm_playback_mixer,
- hdspm)))) {
+ kctl = snd_ctl_new1(&snd_hdspm_playback_mixer, hdspm);
+ err = snd_ctl_add(card, kctl);
+ if (err < 0)
return err;
- }
hdspm->playback_mixer_ctls[idx] = kctl;
}
snd_hdspm_proc_read_madi(struct snd_info_entry * entry,
struct snd_info_buffer *buffer)
{
- struct hdspm *hdspm = (struct hdspm *) entry->private_data;
+ struct hdspm *hdspm = entry->private_data;
unsigned int status;
unsigned int status2;
char *pref_sync_ref;
(status & HDSPM_midi1IRQPending) ? 1 : 0,
hdspm->irq_count);
snd_iprintf(buffer,
- "HW pointer: id = %d, rawptr = %d (%d->%d) estimated= %ld (bytes)\n",
+ "HW pointer: id = %d, rawptr = %d (%d->%d) "
+ "estimated= %ld (bytes)\n",
((status & HDSPM_BufferID) ? 1 : 0),
(status & HDSPM_BufferPositionMask),
- (status & HDSPM_BufferPositionMask) % (2 *
- (int)hdspm->
- period_bytes),
- ((status & HDSPM_BufferPositionMask) -
- 64) % (2 * (int)hdspm->period_bytes),
+ (status & HDSPM_BufferPositionMask) %
+ (2 * (int)hdspm->period_bytes),
+ ((status & HDSPM_BufferPositionMask) - 64) %
+ (2 * (int)hdspm->period_bytes),
(long) hdspm_hw_pointer(hdspm) * 4);
snd_iprintf(buffer,
hdspm_read(hdspm, HDSPM_midiStatusIn0) & 0xFF,
hdspm_read(hdspm, HDSPM_midiStatusIn1) & 0xFF);
snd_iprintf(buffer,
- "Register: ctrl1=0x%x, ctrl2=0x%x, status1=0x%x, status2=0x%x\n",
+ "Register: ctrl1=0x%x, ctrl2=0x%x, status1=0x%x, "
+ "status2=0x%x\n",
hdspm->control_register, hdspm->control2_register,
status, status2);
snd_iprintf(buffer, "--- Settings ---\n");
- x = 1 << (6 +
- hdspm_decode_latency(hdspm->
- control_register &
- HDSPM_LatencyMask));
+ x = 1 << (6 + hdspm_decode_latency(hdspm->control_register &
+ HDSPM_LatencyMask));
snd_iprintf(buffer,
"Size (Latency): %d samples (2 periods of %lu bytes)\n",
x, (unsigned long) hdspm->period_bytes);
snd_iprintf(buffer, "Line out: %s, Precise Pointer: %s\n",
- (hdspm->
- control_register & HDSPM_LineOut) ? "on " : "off",
+ (hdspm->control_register & HDSPM_LineOut) ? "on " : "off",
(hdspm->precise_ptr) ? "on" : "off");
switch (hdspm->control_register & HDSPM_InputMask) {
syncref);
snd_iprintf(buffer,
- "ClearTrackMarker = %s, Transmit in %s Channel Mode, Auto Input %s\n",
+ "ClearTrackMarker = %s, Transmit in %s Channel Mode, "
+ "Auto Input %s\n",
(hdspm->
control_register & HDSPM_clr_tms) ? "on" : "off",
(hdspm->
snd_hdspm_proc_read_aes32(struct snd_info_entry * entry,
struct snd_info_buffer *buffer)
{
- struct hdspm *hdspm = (struct hdspm *) entry->private_data;
+ struct hdspm *hdspm = entry->private_data;
unsigned int status;
unsigned int status2;
unsigned int timecode;
(status & HDSPM_midi1IRQPending) ? 1 : 0,
hdspm->irq_count);
snd_iprintf(buffer,
- "HW pointer: id = %d, rawptr = %d (%d->%d) estimated= %ld (bytes)\n",
+ "HW pointer: id = %d, rawptr = %d (%d->%d) "
+ "estimated= %ld (bytes)\n",
((status & HDSPM_BufferID) ? 1 : 0),
(status & HDSPM_BufferPositionMask),
- (status & HDSPM_BufferPositionMask) % (2 *
- (int)hdspm->
- period_bytes),
- ((status & HDSPM_BufferPositionMask) -
- 64) % (2 * (int)hdspm->period_bytes),
+ (status & HDSPM_BufferPositionMask) %
+ (2 * (int)hdspm->period_bytes),
+ ((status & HDSPM_BufferPositionMask) - 64) %
+ (2 * (int)hdspm->period_bytes),
(long) hdspm_hw_pointer(hdspm) * 4);
snd_iprintf(buffer,
hdspm_read(hdspm, HDSPM_midiStatusIn0) & 0xFF,
hdspm_read(hdspm, HDSPM_midiStatusIn1) & 0xFF);
snd_iprintf(buffer,
- "Register: ctrl1=0x%x, status1=0x%x, status2=0x%x, timecode=0x%x\n",
+ "Register: ctrl1=0x%x, status1=0x%x, status2=0x%x, "
+ "timecode=0x%x\n",
hdspm->control_register,
status, status2, timecode);
snd_iprintf(buffer, "--- Settings ---\n");
- x = 1 << (6 +
- hdspm_decode_latency(hdspm->
- control_register &
- HDSPM_LatencyMask));
+ x = 1 << (6 + hdspm_decode_latency(hdspm->control_register &
+ HDSPM_LatencyMask));
snd_iprintf(buffer,
"Size (Latency): %d samples (2 periods of %lu bytes)\n",
snd_iprintf(buffer, "--- Status:\n");
snd_iprintf(buffer, "Word: %s Frequency: %d\n",
- (status & HDSPM_AES32_wcLock)? "Sync " : "No Lock",
- HDSPM_bit2freq((status >> HDSPM_AES32_wcFreq_bit) & 0xF));
+ (status & HDSPM_AES32_wcLock)? "Sync " : "No Lock",
+ HDSPM_bit2freq((status >> HDSPM_AES32_wcFreq_bit) & 0xF));
for (x = 0; x < 8; x++) {
snd_iprintf(buffer, "AES%d: %s Frequency: %d\n",
- x+1,
- (status2 & (HDSPM_LockAES >> x))? "Sync ": "No Lock",
- HDSPM_bit2freq((timecode >> (4*x)) & 0xF));
+ x+1,
+ (status2 & (HDSPM_LockAES >> x)) ?
+ "Sync ": "No Lock",
+ HDSPM_bit2freq((timecode >> (4*x)) & 0xF));
}
switch (hdspm_autosync_ref(hdspm)) {
snd_hdspm_proc_read_debug(struct snd_info_entry * entry,
struct snd_info_buffer *buffer)
{
- struct hdspm *hdspm = (struct hdspm *)entry->private_data;
+ struct hdspm *hdspm = entry->private_data;
int j,i;
- for (i = 0; i < 256 /* 1024*64 */; i += j)
- {
+ for (i = 0; i < 256 /* 1024*64 */; i += j) {
snd_iprintf(buffer, "0x%08X: ", i);
for (j = 0; j < 16; j += 4)
snd_iprintf(buffer, "%08X ", hdspm_read(hdspm, i + j));
/* set defaults: */
if (hdspm->is_aes32)
- hdspm->control_register = HDSPM_ClockModeMaster | /* Master Cloack Mode on */
- hdspm_encode_latency(7) | /* latency maximum = 8192 samples */
+ hdspm->control_register =
+ HDSPM_ClockModeMaster | /* Master Cloack Mode on */
+ hdspm_encode_latency(7) | /* latency maximum =
+ * 8192 samples
+ */
HDSPM_SyncRef0 | /* AES1 is syncclock */
HDSPM_LineOut | /* Analog output in */
HDSPM_Professional; /* Professional mode */
else
- hdspm->control_register = HDSPM_ClockModeMaster | /* Master Cloack Mode on */
- hdspm_encode_latency(7) | /* latency maximum = 8192 samples */
+ hdspm->control_register =
+ HDSPM_ClockModeMaster | /* Master Cloack Mode on */
+ hdspm_encode_latency(7) | /* latency maximum =
+ * 8192 samples
+ */
HDSPM_InputCoaxial | /* Input Coax not Optical */
HDSPM_SyncRef_MADI | /* Madi is syncclock */
HDSPM_LineOut | /* Analog output in */
if (line_outs_monitor[hdspm->dev]) {
- snd_printk(KERN_INFO "HDSPM: sending all playback streams to line outs.\n");
+ snd_printk(KERN_INFO "HDSPM: "
+ "sending all playback streams to line outs.\n");
for (i = 0; i < HDSPM_MIXER_CHANNELS; i++) {
if (hdspm_write_pb_gain(hdspm, i, i, UNITY_GAIN))
if (audio) {
if (hdspm->capture_substream)
- snd_pcm_period_elapsed(hdspm->pcm->
- streams
- [SNDRV_PCM_STREAM_CAPTURE].
- substream);
+ snd_pcm_period_elapsed(hdspm->capture_substream);
if (hdspm->playback_substream)
- snd_pcm_period_elapsed(hdspm->pcm->
- streams
- [SNDRV_PCM_STREAM_PLAYBACK].
- substream);
+ snd_pcm_period_elapsed(hdspm->playback_substream);
}
if (midi0 && midi0status) {
- /* we disable interrupts for this input until processing is done */
+ /* we disable interrupts for this input until processing
+ * is done
+ */
hdspm->control_register &= ~HDSPM_Midi0InterruptEnable;
hdspm_write(hdspm, HDSPM_controlRegister,
hdspm->control_register);
schedule = 1;
}
if (midi1 && midi1status) {
- /* we disable interrupts for this input until processing is done */
+ /* we disable interrupts for this input until processing
+ * is done
+ */
hdspm->control_register &= ~HDSPM_Midi1InterruptEnable;
hdspm_write(hdspm, HDSPM_controlRegister,
hdspm->control_register);
snd_assert(channel >= 0
|| channel < HDSPM_MAX_CHANNELS, return NULL);
- if ((mapped_channel = hdspm->channel_map[channel]) < 0)
+ mapped_channel = hdspm->channel_map[channel];
+ if (mapped_channel < 0)
return NULL;
- if (stream == SNDRV_PCM_STREAM_CAPTURE) {
+ if (stream == SNDRV_PCM_STREAM_CAPTURE)
return hdspm->capture_buffer +
mapped_channel * HDSPM_CHANNEL_BUFFER_BYTES;
- } else {
+ else
return hdspm->playback_buffer +
mapped_channel * HDSPM_CHANNEL_BUFFER_BYTES;
- }
}
snd_assert(pos + count <= HDSPM_CHANNEL_BUFFER_BYTES / 4,
return -EINVAL);
- channel_buf = hdspm_channel_buffer_location(hdspm,
- substream->pstr->
- stream, channel);
+ channel_buf =
+ hdspm_channel_buffer_location(hdspm, substream->pstr->stream,
+ channel);
snd_assert(channel_buf != NULL, return -EIO);
snd_assert(pos + count <= HDSPM_CHANNEL_BUFFER_BYTES / 4,
return -EINVAL);
- channel_buf = hdspm_channel_buffer_location(hdspm,
- substream->pstr->
- stream, channel);
+ channel_buf =
+ hdspm_channel_buffer_location(hdspm, substream->pstr->stream,
+ channel);
snd_assert(channel_buf != NULL, return -EIO);
return copy_to_user(dst, channel_buf + pos * 4, count * 4);
}
char *channel_buf;
channel_buf =
- hdspm_channel_buffer_location(hdspm, substream->pstr->stream,
- channel);
+ hdspm_channel_buffer_location(hdspm, substream->pstr->stream,
+ channel);
snd_assert(channel_buf != NULL, return -EIO);
memset(channel_buf + pos * 4, 0, count * 4);
return 0;
other_pid = hdspm->playback_pid;
}
- if ((other_pid > 0) && (this_pid != other_pid)) {
+ if (other_pid > 0 && this_pid != other_pid) {
/* The other stream is open, and not by the same
task as this one. Make sure that the parameters
if (params_period_size(params) != hdspm->period_bytes / 4) {
spin_unlock_irq(&hdspm->lock);
_snd_pcm_hw_param_setempty(params,
- SNDRV_PCM_HW_PARAM_PERIOD_SIZE);
+ SNDRV_PCM_HW_PARAM_PERIOD_SIZE);
return -EBUSY;
}
/* how to make sure that the rate matches an externally-set one ? */
spin_lock_irq(&hdspm->lock);
- if ((err = hdspm_set_rate(hdspm, params_rate(params), 0)) < 0) {
+ err = hdspm_set_rate(hdspm, params_rate(params), 0);
+ if (err < 0) {
spin_unlock_irq(&hdspm->lock);
_snd_pcm_hw_param_setempty(params,
SNDRV_PCM_HW_PARAM_RATE);
}
spin_unlock_irq(&hdspm->lock);
- if ((err =
- hdspm_set_interrupt_interval(hdspm,
- params_period_size(params))) <
- 0) {
+ err = hdspm_set_interrupt_interval(hdspm,
+ params_period_size(params));
+ if (err < 0) {
_snd_pcm_hw_param_setempty(params,
SNDRV_PCM_HW_PARAM_PERIOD_SIZE);
return err;
}
- /* Memory allocation, takashi's method, dont know if we should spinlock */
+ /* Memory allocation, takashi's method, dont know if we should
+ * spinlock
+ */
/* malloc all buffer even if not enabled to get sure */
/* Update for MADI rev 204: we need to allocate for all channels,
* otherwise it doesn't work at 96kHz */
snd_assert(info->channel < HDSPM_MAX_CHANNELS, return -EINVAL);
- if ((mapped_channel = hdspm->channel_map[info->channel]) < 0)
+ mapped_channel = hdspm->channel_map[info->channel];
+ if (mapped_channel < 0)
return -EINVAL;
info->offset = mapped_channel * HDSPM_CHANNEL_BUFFER_BYTES;
{
switch (cmd) {
case SNDRV_PCM_IOCTL1_RESET:
- {
- return snd_hdspm_reset(substream);
- }
+ return snd_hdspm_reset(substream);
case SNDRV_PCM_IOCTL1_CHANNEL_INFO:
- {
- struct snd_pcm_channel_info *info = arg;
- return snd_hdspm_channel_info(substream, info);
- }
+ {
+ struct snd_pcm_channel_info *info = arg;
+ return snd_hdspm_channel_info(substream, info);
+ }
default:
break;
}
}
-static unsigned int hdspm_aes32_sample_rates[] = { 32000, 44100, 48000, 64000, 88200, 96000, 128000, 176400, 192000 };
+static unsigned int hdspm_aes32_sample_rates[] = {
+ 32000, 44100, 48000, 64000, 88200, 96000, 128000, 176400, 192000
+};
-static struct snd_pcm_hw_constraint_list hdspm_hw_constraints_aes32_sample_rates = {
+static struct snd_pcm_hw_constraint_list
+hdspm_hw_constraints_aes32_sample_rates = {
.count = ARRAY_SIZE(hdspm_aes32_sample_rates),
.list = hdspm_aes32_sample_rates,
.mask = 0
static int snd_hdspm_hwdep_ioctl(struct snd_hwdep * hw, struct file *file,
unsigned int cmd, unsigned long arg)
{
- struct hdspm *hdspm = (struct hdspm *) hw->private_data;
+ struct hdspm *hdspm = hw->private_data;
struct hdspm_mixer_ioctl mixer;
struct hdspm_config_info info;
struct hdspm_version hdspm_version;
switch (cmd) {
-
case SNDRV_HDSPM_IOCTL_GET_PEAK_RMS:
if (copy_from_user(&rms, (void __user *)arg, sizeof(rms)))
return -EFAULT;
- /* maybe there is a chance to memorymap in future so dont touch just copy */
+ /* maybe there is a chance to memorymap in future
+ * so dont touch just copy
+ */
if(copy_to_user_fromio((void __user *)rms.peak,
hdspm->iobase+HDSPM_MADI_peakrmsbase,
sizeof(struct hdspm_peak_rms)) != 0 )
case SNDRV_HDSPM_IOCTL_GET_CONFIG_INFO:
spin_lock_irq(&hdspm->lock);
- info.pref_sync_ref =
- (unsigned char) hdspm_pref_sync_ref(hdspm);
- info.wordclock_sync_check =
- (unsigned char) hdspm_wc_sync_check(hdspm);
+ info.pref_sync_ref = hdspm_pref_sync_ref(hdspm);
+ info.wordclock_sync_check = hdspm_wc_sync_check(hdspm);
info.system_sample_rate = hdspm->system_sample_rate;
info.autosync_sample_rate =
hdspm_external_sample_rate(hdspm);
- info.system_clock_mode =
- (unsigned char) hdspm_system_clock_mode(hdspm);
- info.clock_source =
- (unsigned char) hdspm_clock_source(hdspm);
- info.autosync_ref =
- (unsigned char) hdspm_autosync_ref(hdspm);
- info.line_out = (unsigned char) hdspm_line_out(hdspm);
+ info.system_clock_mode = hdspm_system_clock_mode(hdspm);
+ info.clock_source = hdspm_clock_source(hdspm);
+ info.autosync_ref = hdspm_autosync_ref(hdspm);
+ info.line_out = hdspm_line_out(hdspm);
info.passthru = 0;
spin_unlock_irq(&hdspm->lock);
if (copy_to_user((void __user *) arg, &info, sizeof(info)))
case SNDRV_HDSPM_IOCTL_GET_MIXER:
if (copy_from_user(&mixer, (void __user *)arg, sizeof(mixer)))
return -EFAULT;
- if (copy_to_user
- ((void __user *)mixer.mixer, hdspm->mixer, sizeof(struct hdspm_mixer)))
+ if (copy_to_user((void __user *)mixer.mixer, hdspm->mixer,
+ sizeof(struct hdspm_mixer)))
return -EFAULT;
break;
struct snd_hwdep *hw;
int err;
- if ((err = snd_hwdep_new(card, "HDSPM hwdep", 0, &hw)) < 0)
+ err = snd_hwdep_new(card, "HDSPM hwdep", 0, &hw);
+ if (err < 0)
return err;
hdspm->hwdep = hw;
pcm = hdspm->pcm;
-/* wanted = HDSPM_DMA_AREA_BYTES + 4096;*/ /* dont know why, but it works */
wanted = HDSPM_DMA_AREA_BYTES;
- if ((err =
+ err =
snd_pcm_lib_preallocate_pages_for_all(pcm,
SNDRV_DMA_TYPE_DEV_SG,
snd_dma_pci_data(hdspm->pci),
wanted,
- wanted)) < 0) {
+ wanted);
+ if (err < 0) {
snd_printdd("Could not preallocate %zd Bytes\n", wanted);
return err;
int i;
for (i = 0; i < (channels * 16); i++)
hdspm_write(hdspm, reg + 4 * i,
- snd_pcm_sgbuf_get_addr(sgbuf,
- (size_t) 4096 * i));
+ snd_pcm_sgbuf_get_addr(sgbuf, (size_t) 4096 * i));
}
/* ------------- ALSA Devices ---------------------------- */
struct snd_pcm *pcm;
int err;
- if ((err = snd_pcm_new(card, hdspm->card_name, 0, 1, 1, &pcm)) < 0)
+ err = snd_pcm_new(card, hdspm->card_name, 0, 1, 1, &pcm);
+ if (err < 0)
return err;
hdspm->pcm = pcm;
pcm->info_flags = SNDRV_PCM_INFO_JOINT_DUPLEX;
- if ((err = snd_hdspm_preallocate_memory(hdspm)) < 0)
+ err = snd_hdspm_preallocate_memory(hdspm);
+ if (err < 0)
return err;
return 0;
int err;
snd_printdd("Create card...\n");
- if ((err = snd_hdspm_create_pcm(card, hdspm)) < 0)
+ err = snd_hdspm_create_pcm(card, hdspm);
+ if (err < 0)
return err;
- if ((err = snd_hdspm_create_midi(card, hdspm, 0)) < 0)
+ err = snd_hdspm_create_midi(card, hdspm, 0);
+ if (err < 0)
return err;
- if ((err = snd_hdspm_create_midi(card, hdspm, 1)) < 0)
+ err = snd_hdspm_create_midi(card, hdspm, 1);
+ if (err < 0)
return err;
- if ((err = snd_hdspm_create_controls(card, hdspm)) < 0)
+ err = snd_hdspm_create_controls(card, hdspm);
+ if (err < 0)
return err;
- if ((err = snd_hdspm_create_hwdep(card, hdspm)) < 0)
+ err = snd_hdspm_create_hwdep(card, hdspm);
+ if (err < 0)
return err;
snd_printdd("proc init...\n");
hdspm->playback_substream = NULL;
snd_printdd("Set defaults...\n");
- if ((err = snd_hdspm_set_defaults(hdspm)) < 0)
+ err = snd_hdspm_set_defaults(hdspm);
+ if (err < 0)
return err;
snd_printdd("Update mixer controls...\n");
snd_printdd("Initializeing complete ???\n");
- if ((err = snd_card_register(card)) < 0) {
+ err = snd_card_register(card);
+ if (err < 0) {
snd_printk(KERN_ERR "HDSPM: error registering card\n");
return err;
}
return 0;
}
-static int __devinit snd_hdspm_create(struct snd_card *card, struct hdspm * hdspm,
+static int __devinit snd_hdspm_create(struct snd_card *card,
+ struct hdspm *hdspm,
int precise_ptr, int enable_monitor)
{
struct pci_dev *pci = hdspm->pci;
int err;
- int i;
-
unsigned long io_extent;
hdspm->irq = -1;
- hdspm->irq_count = 0;
-
- hdspm->midi[0].rmidi = NULL;
- hdspm->midi[1].rmidi = NULL;
- hdspm->midi[0].input = NULL;
- hdspm->midi[1].input = NULL;
- hdspm->midi[0].output = NULL;
- hdspm->midi[1].output = NULL;
+
spin_lock_init(&hdspm->midi[0].lock);
spin_lock_init(&hdspm->midi[1].lock);
- hdspm->iobase = NULL;
- hdspm->control_register = 0;
- hdspm->control2_register = 0;
-
- hdspm->playback_buffer = NULL;
- hdspm->capture_buffer = NULL;
-
- for (i = 0; i < HDSPM_MAX_CHANNELS; ++i)
- hdspm->playback_mixer_ctls[i] = NULL;
- hdspm->mixer = NULL;
hdspm->card = card;
hdspm->card_name = "RME HDSPM MADI";
}
- if ((err = pci_enable_device(pci)) < 0)
+ err = pci_enable_device(pci);
+ if (err < 0)
return err;
pci_set_master(hdspm->pci);
- if ((err = pci_request_regions(pci, "hdspm")) < 0)
+ err = pci_request_regions(pci, "hdspm");
+ if (err < 0)
return err;
hdspm->port = pci_resource_start(pci, 0);
hdspm->port, hdspm->port + io_extent - 1);
- if ((hdspm->iobase = ioremap_nocache(hdspm->port, io_extent)) == NULL) {
- snd_printk(KERN_ERR "HDSPM: unable to remap region 0x%lx-0x%lx\n",
+ hdspm->iobase = ioremap_nocache(hdspm->port, io_extent);
+ if (!hdspm->iobase) {
+ snd_printk(KERN_ERR "HDSPM: "
+ "unable to remap region 0x%lx-0x%lx\n",
hdspm->port, hdspm->port + io_extent - 1);
return -EBUSY;
}
snd_printdd("kmalloc Mixer memory of %zd Bytes\n",
sizeof(struct hdspm_mixer));
- if ((hdspm->mixer = kmalloc(sizeof(struct hdspm_mixer), GFP_KERNEL))
- == NULL) {
- snd_printk(KERN_ERR "HDSPM: unable to kmalloc Mixer memory of %d Bytes\n",
+ hdspm->mixer = kzalloc(sizeof(struct hdspm_mixer), GFP_KERNEL);
+ if (!hdspm->mixer) {
+ snd_printk(KERN_ERR "HDSPM: "
+ "unable to kmalloc Mixer memory of %d Bytes\n",
(int)sizeof(struct hdspm_mixer));
return err;
}
hdspm->qs_channels = MADI_QS_CHANNELS;
snd_printdd("create alsa devices.\n");
- if ((err = snd_hdspm_create_alsa_devices(card, hdspm)) < 0)
+ err = snd_hdspm_create_alsa_devices(card, hdspm);
+ if (err < 0)
return err;
snd_hdspm_initialize_midi_flush(hdspm);
/* stop th audio, and cancel all interrupts */
hdspm->control_register &=
- ~(HDSPM_Start | HDSPM_AudioInterruptEnable
- | HDSPM_Midi0InterruptEnable |
- HDSPM_Midi1InterruptEnable);
+ ~(HDSPM_Start | HDSPM_AudioInterruptEnable |
+ HDSPM_Midi0InterruptEnable | HDSPM_Midi1InterruptEnable);
hdspm_write(hdspm, HDSPM_controlRegister,
hdspm->control_register);
}
if (hdspm->irq >= 0)
free_irq(hdspm->irq, (void *) hdspm);
-
kfree(hdspm->mixer);
if (hdspm->iobase)
static void snd_hdspm_card_free(struct snd_card *card)
{
- struct hdspm *hdspm = (struct hdspm *) card->private_data;
+ struct hdspm *hdspm = card->private_data;
if (hdspm)
snd_hdspm_free(hdspm);
return -ENOENT;
}
- if (!(card = snd_card_new(index[dev], id[dev],
- THIS_MODULE, sizeof(struct hdspm))))
+ card = snd_card_new(index[dev], id[dev],
+ THIS_MODULE, sizeof(struct hdspm));
+ if (!card)
return -ENOMEM;
- hdspm = (struct hdspm *) card->private_data;
+ hdspm = card->private_data;
card->private_free = snd_hdspm_card_free;
hdspm->dev = dev;
hdspm->pci = pci;
snd_card_set_dev(card, &pci->dev);
- if ((err =
- snd_hdspm_create(card, hdspm, precise_ptr[dev],
- enable_monitor[dev])) < 0) {
+ err = snd_hdspm_create(card, hdspm, precise_ptr[dev],
+ enable_monitor[dev]);
+ if (err < 0) {
snd_card_free(card);
return err;
}
sprintf(card->longname, "%s at 0x%lx, irq %d", hdspm->card_name,
hdspm->port, hdspm->irq);
- if ((err = snd_card_register(card)) < 0) {
+ err = snd_card_register(card);
+ if (err < 0) {
snd_card_free(card);
return err;
}
projects / linux-2.6 / commitdiff