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ALSA: fireface: add model-dependent parameter for address range to receive async transaction
In Fireface series, drivers can register destination address for asynchronous transaction which transfers MIDI messages from device. In former models, all of the transactions arrive at the registered address without any offset. In latter models, each of the transaction arrives at the registered address with sequential offset within 0x00 to 0x7f. This seems to be for discontinuity detection. This commit adds model-dependent member for the address range. Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Signed-off-by: Takashi Iwai <tiwai@suse.de>
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parent
6c644e4e95
commit
900896771a
3 changed files with 4 additions and 1 deletions
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@ -156,7 +156,7 @@ static int allocate_own_address(struct snd_ff *ff, int i)
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struct fw_address_region midi_msg_region;
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int err;
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ff->async_handler.length = SND_FF_MAXIMIM_MIDI_QUADS * 4;
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ff->async_handler.length = ff->spec->midi_addr_range;
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ff->async_handler.address_callback = handle_midi_msg;
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ff->async_handler.callback_data = ff;
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@ -159,6 +159,7 @@ static const struct snd_ff_spec spec_ff800 = {
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.midi_out_ports = 1,
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.protocol = &snd_ff_protocol_ff800,
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.midi_high_addr = 0x000200000320ull,
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.midi_addr_range = 12,
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};
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static const struct snd_ff_spec spec_ff400 = {
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@ -169,6 +170,7 @@ static const struct snd_ff_spec spec_ff400 = {
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.midi_out_ports = 2,
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.protocol = &snd_ff_protocol_ff400,
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.midi_high_addr = 0x0000801003f4ull,
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.midi_addr_range = SND_FF_MAXIMIM_MIDI_QUADS * 4,
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};
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static const struct snd_ff_spec spec_ucx = {
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@ -54,6 +54,7 @@ struct snd_ff_spec {
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const struct snd_ff_protocol *protocol;
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u64 midi_high_addr;
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u8 midi_addr_range;
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};
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struct snd_ff {
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