diff options
Diffstat (limited to 'sound/pci/rme9652/hdsp.c')
| -rw-r--r-- | sound/pci/rme9652/hdsp.c | 54 |
1 files changed, 36 insertions, 18 deletions
diff --git a/sound/pci/rme9652/hdsp.c b/sound/pci/rme9652/hdsp.c index 1be84f2..4d6fbb3 100644 --- a/sound/pci/rme9652/hdsp.c +++ b/sound/pci/rme9652/hdsp.c @@ -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) @@ -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) @@ -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; @@ -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)); |
