diff options
| -rw-r--r-- | sound/firewire/fireface/ff-pcm.c | 2 | ||||
| -rw-r--r-- | sound/firewire/fireface/ff-protocol-ff400.c | 60 | ||||
| -rw-r--r-- | sound/firewire/fireface/ff-stream.c | 2 | ||||
| -rw-r--r-- | sound/firewire/fireface/ff-transaction.c | 59 | ||||
| -rw-r--r-- | sound/firewire/fireface/ff.h | 4 |
5 files changed, 63 insertions, 64 deletions
diff --git a/sound/firewire/fireface/ff-pcm.c b/sound/firewire/fireface/ff-pcm.c index bf47f9ec8703..63b0be6f05e8 100644 --- a/sound/firewire/fireface/ff-pcm.c +++ b/sound/firewire/fireface/ff-pcm.c @@ -141,7 +141,7 @@ static int pcm_open(struct snd_pcm_substream *substream) if (err < 0) goto release_lock; - err = ff->spec->protocol->get_clock(ff, &rate, &src); + err = snd_ff_transaction_get_clock(ff, &rate, &src); if (err < 0) goto release_lock; diff --git a/sound/firewire/fireface/ff-protocol-ff400.c b/sound/firewire/fireface/ff-protocol-ff400.c index 31c381dcb452..d2fbb0382223 100644 --- a/sound/firewire/fireface/ff-protocol-ff400.c +++ b/sound/firewire/fireface/ff-protocol-ff400.c @@ -19,65 +19,6 @@ #define FF400_MIDI_RX_PORT_0 0x000080180000ull #define FF400_MIDI_RX_PORT_1 0x000080190000ull -static int ff400_get_clock(struct snd_ff *ff, unsigned int *rate, - enum snd_ff_clock_src *src) -{ - __le32 reg; - u32 data; - int err; - - err = snd_fw_transaction(ff->unit, TCODE_READ_QUADLET_REQUEST, - SND_FF_REG_CLOCK_CONFIG, ®, sizeof(reg), 0); - if (err < 0) - return err; - data = le32_to_cpu(reg); - - /* Calculate sampling rate. */ - switch ((data >> 1) & 0x03) { - case 0x01: - *rate = 32000; - break; - case 0x00: - *rate = 44100; - break; - case 0x03: - *rate = 48000; - break; - case 0x02: - default: - return -EIO; - } - - if (data & 0x08) - *rate *= 2; - else if (data & 0x10) - *rate *= 4; - - /* Calculate source of clock. */ - if (data & 0x01) { - *src = SND_FF_CLOCK_SRC_INTERNAL; - } else { - /* TODO: 0x00, 0x01, 0x02, 0x06, 0x07? */ - switch ((data >> 10) & 0x07) { - case 0x03: - *src = SND_FF_CLOCK_SRC_SPDIF; - break; - case 0x04: - *src = SND_FF_CLOCK_SRC_WORD; - break; - case 0x05: - *src = SND_FF_CLOCK_SRC_LTC; - break; - case 0x00: - default: - *src = SND_FF_CLOCK_SRC_ADAT; - break; - } - } - - return 0; -} - static int ff400_begin_session(struct snd_ff *ff, unsigned int rate) { __le32 reg; @@ -169,7 +110,6 @@ static int ff400_switch_fetching_mode(struct snd_ff *ff, bool enable) } const struct snd_ff_protocol snd_ff_protocol_ff400 = { - .get_clock = ff400_get_clock, .begin_session = ff400_begin_session, .finish_session = ff400_finish_session, .switch_fetching_mode = ff400_switch_fetching_mode, diff --git a/sound/firewire/fireface/ff-stream.c b/sound/firewire/fireface/ff-stream.c index 78880922120e..59ca2e84d41c 100644 --- a/sound/firewire/fireface/ff-stream.c +++ b/sound/firewire/fireface/ff-stream.c @@ -149,7 +149,7 @@ int snd_ff_stream_start_duplex(struct snd_ff *ff, unsigned int rate) if (ff->substreams_counter == 0) return 0; - err = ff->spec->protocol->get_clock(ff, &curr_rate, &src); + err = snd_ff_transaction_get_clock(ff, &curr_rate, &src); if (err < 0) return err; if (curr_rate != rate || diff --git a/sound/firewire/fireface/ff-transaction.c b/sound/firewire/fireface/ff-transaction.c index 332b29f8ed75..1dad51da13e0 100644 --- a/sound/firewire/fireface/ff-transaction.c +++ b/sound/firewire/fireface/ff-transaction.c @@ -8,6 +8,65 @@ #include "ff.h" +int snd_ff_transaction_get_clock(struct snd_ff *ff, unsigned int *rate, + enum snd_ff_clock_src *src) +{ + __le32 reg; + u32 data; + int err; + + err = snd_fw_transaction(ff->unit, TCODE_READ_QUADLET_REQUEST, + SND_FF_REG_CLOCK_CONFIG, ®, sizeof(reg), 0); + if (err < 0) + return err; + data = le32_to_cpu(reg); + + /* Calculate sampling rate. */ + switch ((data >> 1) & 0x03) { + case 0x01: + *rate = 32000; + break; + case 0x00: + *rate = 44100; + break; + case 0x03: + *rate = 48000; + break; + case 0x02: + default: + return -EIO; + } + + if (data & 0x08) + *rate *= 2; + else if (data & 0x10) + *rate *= 4; + + /* Calculate source of clock. */ + if (data & 0x01) { + *src = SND_FF_CLOCK_SRC_INTERNAL; + } else { + /* TODO: 0x00, 0x01, 0x02, 0x06, 0x07? */ + switch ((data >> 10) & 0x07) { + case 0x03: + *src = SND_FF_CLOCK_SRC_SPDIF; + break; + case 0x04: + *src = SND_FF_CLOCK_SRC_WORD; + break; + case 0x05: + *src = SND_FF_CLOCK_SRC_LTC; + break; + case 0x00: + default: + *src = SND_FF_CLOCK_SRC_ADAT; + break; + } + } + + return 0; +} + static void finish_transmit_midi_msg(struct snd_ff *ff, unsigned int port, int rcode) { diff --git a/sound/firewire/fireface/ff.h b/sound/firewire/fireface/ff.h index 6dc36a2623b3..cdb1326f65b7 100644 --- a/sound/firewire/fireface/ff.h +++ b/sound/firewire/fireface/ff.h @@ -101,8 +101,6 @@ enum snd_ff_clock_src { }; struct snd_ff_protocol { - int (*get_clock)(struct snd_ff *ff, unsigned int *rate, - enum snd_ff_clock_src *src); int (*begin_session)(struct snd_ff *ff, unsigned int rate); void (*finish_session)(struct snd_ff *ff); int (*switch_fetching_mode)(struct snd_ff *ff, bool enable); @@ -114,6 +112,8 @@ struct snd_ff_protocol { extern const struct snd_ff_protocol snd_ff_protocol_ff400; +int snd_ff_transaction_get_clock(struct snd_ff *ff, unsigned int *rate, + enum snd_ff_clock_src *src); int snd_ff_transaction_register(struct snd_ff *ff); int snd_ff_transaction_reregister(struct snd_ff *ff); void snd_ff_transaction_unregister(struct snd_ff *ff); |