15 int snd_motu_transaction_read(struct snd_motu *motu, u32 offset, __be32 *reg,  in snd_motu_transaction_read()  argument
27 	return snd_fw_transaction(motu->unit, tcode,  in snd_motu_transaction_read()
31 int snd_motu_transaction_write(struct snd_motu *motu, u32 offset, __be32 *reg,  in snd_motu_transaction_write()  argument
43 	return snd_fw_transaction(motu->unit, tcode,  in snd_motu_transaction_write()
52 	struct snd_motu *motu = callback_data;  in handle_message()  local
61 	if (offset != motu->async_handler.offset || length != 4) {  in handle_message()
66 	spin_lock_irqsave(&motu->lock, flags);  in handle_message()
67 	motu->msg = be32_to_cpu(*buf);  in handle_message()
68 	spin_unlock_irqrestore(&motu->lock, flags);  in handle_message()
72 	wake_up(&motu->hwdep_wait);  in handle_message()
75 int snd_motu_transaction_reregister(struct snd_motu *motu)  in snd_motu_transaction_reregister()  argument
77 	struct fw_device *device = fw_parent_device(motu->unit);  in snd_motu_transaction_reregister()
81 	if (motu->async_handler.callback_data == NULL)  in snd_motu_transaction_reregister()
86 			   (motu->async_handler.offset >> 32));  in snd_motu_transaction_reregister()
87 	err = snd_motu_transaction_write(motu, ASYNC_ADDR_HI, &data,  in snd_motu_transaction_reregister()
92 	data = cpu_to_be32(motu->async_handler.offset);  in snd_motu_transaction_reregister()
93 	return snd_motu_transaction_write(motu, ASYNC_ADDR_LO, &data,  in snd_motu_transaction_reregister()
97 int snd_motu_transaction_register(struct snd_motu *motu)  in snd_motu_transaction_register()  argument
106 	motu->async_handler.length = 4;  in snd_motu_transaction_register()
107 	motu->async_handler.address_callback = handle_message;  in snd_motu_transaction_register()
108 	motu->async_handler.callback_data = motu;  in snd_motu_transaction_register()
110 	err = fw_core_add_address_handler(&motu->async_handler,  in snd_motu_transaction_register()
115 	err = snd_motu_transaction_reregister(motu);  in snd_motu_transaction_register()
117 		fw_core_remove_address_handler(&motu->async_handler);  in snd_motu_transaction_register()
118 		motu->async_handler.address_callback = NULL;  in snd_motu_transaction_register()
124 void snd_motu_transaction_unregister(struct snd_motu *motu)  in snd_motu_transaction_unregister()  argument
128 	if (motu->async_handler.address_callback != NULL)  in snd_motu_transaction_unregister()
129 		fw_core_remove_address_handler(&motu->async_handler);  in snd_motu_transaction_unregister()
130 	motu->async_handler.address_callback = NULL;  in snd_motu_transaction_unregister()
134 	snd_motu_transaction_write(motu, ASYNC_ADDR_HI, &data, sizeof(data));  in snd_motu_transaction_unregister()
135 	snd_motu_transaction_write(motu, ASYNC_ADDR_LO, &data, sizeof(data));  in snd_motu_transaction_unregister()