Lines Matching defs:motu
3 * motu-transaction.c - a part of driver for MOTU FireWire series
9 #include "motu.h"
15 int snd_motu_transaction_read(struct snd_motu *motu, u32 offset, __be32 *reg,
27 return snd_fw_transaction(motu->unit, tcode,
31 int snd_motu_transaction_write(struct snd_motu *motu, u32 offset, __be32 *reg,
43 return snd_fw_transaction(motu->unit, tcode,
52 struct snd_motu *motu = callback_data;
61 if (offset != motu->async_handler.offset || length != 4) {
66 spin_lock_irqsave(&motu->lock, flags);
67 motu->msg = be32_to_cpu(*buf);
68 spin_unlock_irqrestore(&motu->lock, flags);
72 wake_up(&motu->hwdep_wait);
75 int snd_motu_transaction_reregister(struct snd_motu *motu)
77 struct fw_device *device = fw_parent_device(motu->unit);
81 if (motu->async_handler.callback_data == NULL)
86 (motu->async_handler.offset >> 32));
87 err = snd_motu_transaction_write(motu, ASYNC_ADDR_HI, &data,
92 data = cpu_to_be32(motu->async_handler.offset);
93 return snd_motu_transaction_write(motu, ASYNC_ADDR_LO, &data,
97 int snd_motu_transaction_register(struct snd_motu *motu)
106 motu->async_handler.length = 4;
107 motu->async_handler.address_callback = handle_message;
108 motu->async_handler.callback_data = motu;
110 err = fw_core_add_address_handler(&motu->async_handler,
115 err = snd_motu_transaction_reregister(motu);
117 fw_core_remove_address_handler(&motu->async_handler);
118 motu->async_handler.address_callback = NULL;
124 void snd_motu_transaction_unregister(struct snd_motu *motu)
128 if (motu->async_handler.address_callback != NULL)
129 fw_core_remove_address_handler(&motu->async_handler);
130 motu->async_handler.address_callback = NULL;
134 snd_motu_transaction_write(motu, ASYNC_ADDR_HI, &data, sizeof(data));
135 snd_motu_transaction_write(motu, ASYNC_ADDR_LO, &data, sizeof(data));