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yaml
---
r: 92070
b: refs/heads/master
c: 47ba97f
h: refs/heads/master
v: v3
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Remy Bruno authored and Takashi Iwai committed Apr 24, 2008
1 parent 6a33ab5 commit e374a63
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Showing 2 changed files with 37 additions and 19 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: ae0afd81b34ce287ffda7dd4e33b5144de2ad39d
refs/heads/master: 47ba97f8fa01bb5b48e73b4b1271fbf1436a2d4b
54 changes: 36 additions & 18 deletions trunk/sound/pci/rme9652/hdsp.c
Original file line number Diff line number Diff line change
Expand Up @@ -318,6 +318,10 @@ MODULE_FIRMWARE("digiface_firmware_rev11.bin");
#define HDSP_midi1IRQPending (1<<31)

#define HDSP_spdifFrequencyMask (HDSP_spdifFrequency0|HDSP_spdifFrequency1|HDSP_spdifFrequency2)
#define HDSP_spdifFrequencyMask_9632 (HDSP_spdifFrequency0|\
HDSP_spdifFrequency1|\
HDSP_spdifFrequency2|\
HDSP_spdifFrequency3)

#define HDSP_spdifFrequency32KHz (HDSP_spdifFrequency0)
#define HDSP_spdifFrequency44_1KHz (HDSP_spdifFrequency1)
Expand All @@ -328,7 +332,9 @@ MODULE_FIRMWARE("digiface_firmware_rev11.bin");
#define HDSP_spdifFrequency96KHz (HDSP_spdifFrequency2|HDSP_spdifFrequency1)

/* This is for H9632 cards */
#define HDSP_spdifFrequency128KHz HDSP_spdifFrequencyMask
#define HDSP_spdifFrequency128KHz (HDSP_spdifFrequency0|\
HDSP_spdifFrequency1|\
HDSP_spdifFrequency2)
#define HDSP_spdifFrequency176_4KHz HDSP_spdifFrequency3
#define HDSP_spdifFrequency192KHz (HDSP_spdifFrequency3|HDSP_spdifFrequency0)

Expand Down Expand Up @@ -885,28 +891,15 @@ static int snd_hdsp_use_is_exclusive(struct hdsp *hdsp)
return ret;
}

static int hdsp_external_sample_rate (struct hdsp *hdsp)
{
unsigned int status2 = hdsp_read(hdsp, HDSP_status2Register);
unsigned int rate_bits = status2 & HDSP_systemFrequencyMask;

switch (rate_bits) {
case HDSP_systemFrequency32: return 32000;
case HDSP_systemFrequency44_1: return 44100;
case HDSP_systemFrequency48: return 48000;
case HDSP_systemFrequency64: return 64000;
case HDSP_systemFrequency88_2: return 88200;
case HDSP_systemFrequency96: return 96000;
default:
return 0;
}
}

static int hdsp_spdif_sample_rate(struct hdsp *hdsp)
{
unsigned int status = hdsp_read(hdsp, HDSP_statusRegister);
unsigned int rate_bits = (status & HDSP_spdifFrequencyMask);

/* For the 9632, the mask is different */
if (hdsp->io_type == H9632)
rate_bits = (status & HDSP_spdifFrequencyMask_9632);

if (status & HDSP_SPDIFErrorFlag)
return 0;

Expand All @@ -933,6 +926,31 @@ static int hdsp_spdif_sample_rate(struct hdsp *hdsp)
return 0;
}

static int hdsp_external_sample_rate(struct hdsp *hdsp)
{
unsigned int status2 = hdsp_read(hdsp, HDSP_status2Register);
unsigned int rate_bits = status2 & HDSP_systemFrequencyMask;

/* For the 9632 card, there seems to be no bit for indicating external
* sample rate greater than 96kHz. The card reports the corresponding
* single speed. So the best means seems to get spdif rate when
* autosync reference is spdif */
if (hdsp->io_type == H9632 &&
hdsp_autosync_ref(hdsp) == HDSP_AUTOSYNC_FROM_SPDIF)
return hdsp_spdif_sample_rate(hdsp);

switch (rate_bits) {
case HDSP_systemFrequency32: return 32000;
case HDSP_systemFrequency44_1: return 44100;
case HDSP_systemFrequency48: return 48000;
case HDSP_systemFrequency64: return 64000;
case HDSP_systemFrequency88_2: return 88200;
case HDSP_systemFrequency96: return 96000;
default:
return 0;
}
}

static void hdsp_compute_period_size(struct hdsp *hdsp)
{
hdsp->period_bytes = 1 << ((hdsp_decode_latency(hdsp->control_register) + 8));
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