14 static u64 get_subaddr(struct snd_dice *dice, enum snd_dice_addr_type type,  in get_subaddr()  argument
19 		offset += dice->tx_offset;  in get_subaddr()
22 		offset += dice->rx_offset;  in get_subaddr()
25 		offset += dice->sync_offset;  in get_subaddr()
28 		offset += dice->rsrv_offset;  in get_subaddr()
32 		offset += dice->global_offset;  in get_subaddr()
39 int snd_dice_transaction_write(struct snd_dice *dice,  in snd_dice_transaction_write()  argument
43 	return snd_fw_transaction(dice->unit,  in snd_dice_transaction_write()
46 				  get_subaddr(dice, type, offset), buf, len, 0);  in snd_dice_transaction_write()
49 int snd_dice_transaction_read(struct snd_dice *dice,  in snd_dice_transaction_read()  argument
53 	return snd_fw_transaction(dice->unit,  in snd_dice_transaction_read()
56 				  get_subaddr(dice, type, offset), buf, len, 0);  in snd_dice_transaction_read()
59 static unsigned int get_clock_info(struct snd_dice *dice, __be32 *info)  in get_clock_info()  argument
61 	return snd_dice_transaction_read_global(dice, GLOBAL_CLOCK_SELECT,  in get_clock_info()
65 static int set_clock_info(struct snd_dice *dice,  in set_clock_info()  argument
75 	err = get_clock_info(dice, &info);  in set_clock_info()
101 	if (completion_done(&dice->clock_accepted))  in set_clock_info()
102 		reinit_completion(&dice->clock_accepted);  in set_clock_info()
104 	err = snd_dice_transaction_write_global(dice, GLOBAL_CLOCK_SELECT,  in set_clock_info()
110 	if (wait_for_completion_timeout(&dice->clock_accepted,  in set_clock_info()
117 		err = snd_dice_transaction_reinit(dice);  in set_clock_info()
128 int snd_dice_transaction_get_clock_source(struct snd_dice *dice,  in snd_dice_transaction_get_clock_source()  argument
134 	err = get_clock_info(dice, &info);  in snd_dice_transaction_get_clock_source()
141 int snd_dice_transaction_get_rate(struct snd_dice *dice, unsigned int *rate)  in snd_dice_transaction_get_rate()  argument
147 	err = get_clock_info(dice, &info);  in snd_dice_transaction_get_rate()
161 int snd_dice_transaction_set_rate(struct snd_dice *dice, unsigned int rate)  in snd_dice_transaction_set_rate()  argument
163 	return set_clock_info(dice, rate, UINT_MAX);  in snd_dice_transaction_set_rate()
166 int snd_dice_transaction_set_enable(struct snd_dice *dice)  in snd_dice_transaction_set_enable()  argument
171 	if (dice->global_enabled)  in snd_dice_transaction_set_enable()
175 	err = snd_fw_transaction(dice->unit, TCODE_WRITE_QUADLET_REQUEST,  in snd_dice_transaction_set_enable()
176 				 get_subaddr(dice, SND_DICE_ADDR_TYPE_GLOBAL,  in snd_dice_transaction_set_enable()
179 				 FW_FIXED_GENERATION | dice->owner_generation);  in snd_dice_transaction_set_enable()
183 	dice->global_enabled = true;  in snd_dice_transaction_set_enable()
188 void snd_dice_transaction_clear_enable(struct snd_dice *dice)  in snd_dice_transaction_clear_enable()  argument
193 	snd_fw_transaction(dice->unit, TCODE_WRITE_QUADLET_REQUEST,  in snd_dice_transaction_clear_enable()
194 			   get_subaddr(dice, SND_DICE_ADDR_TYPE_GLOBAL,  in snd_dice_transaction_clear_enable()
197 			   FW_FIXED_GENERATION | dice->owner_generation);  in snd_dice_transaction_clear_enable()
199 	dice->global_enabled = false;  in snd_dice_transaction_clear_enable()
207 	struct snd_dice *dice = callback_data;  in dice_notification()  local
222 	spin_lock_irqsave(&dice->lock, flags);  in dice_notification()
223 	dice->notification_bits |= bits;  in dice_notification()
224 	spin_unlock_irqrestore(&dice->lock, flags);  in dice_notification()
229 		complete(&dice->clock_accepted);  in dice_notification()
230 	wake_up(&dice->hwdep_wait);  in dice_notification()
233 static int register_notification_address(struct snd_dice *dice, bool retry)  in register_notification_address()  argument
235 	struct fw_device *device = fw_parent_device(dice->unit);  in register_notification_address()
250 			dice->notification_handler.offset);  in register_notification_address()
252 		dice->owner_generation = device->generation;  in register_notification_address()
254 		err = snd_fw_transaction(dice->unit, TCODE_LOCK_COMPARE_SWAP,  in register_notification_address()
255 					 get_subaddr(dice,  in register_notification_address()
260 							dice->owner_generation);  in register_notification_address()
269 			dev_err(&dice->unit->device,  in register_notification_address()
282 		dice->owner_generation = -1;  in register_notification_address()
287 static void unregister_notification_address(struct snd_dice *dice)  in unregister_notification_address()  argument
289 	struct fw_device *device = fw_parent_device(dice->unit);  in unregister_notification_address()
298 		dice->notification_handler.offset);  in unregister_notification_address()
300 	snd_fw_transaction(dice->unit, TCODE_LOCK_COMPARE_SWAP,  in unregister_notification_address()
301 			   get_subaddr(dice, SND_DICE_ADDR_TYPE_GLOBAL,  in unregister_notification_address()
304 			   FW_FIXED_GENERATION | dice->owner_generation);  in unregister_notification_address()
308 	dice->owner_generation = -1;  in unregister_notification_address()
311 void snd_dice_transaction_destroy(struct snd_dice *dice)  in snd_dice_transaction_destroy()  argument
313 	struct fw_address_handler *handler = &dice->notification_handler;  in snd_dice_transaction_destroy()
318 	unregister_notification_address(dice);  in snd_dice_transaction_destroy()
324 int snd_dice_transaction_reinit(struct snd_dice *dice)  in snd_dice_transaction_reinit()  argument
326 	struct fw_address_handler *handler = &dice->notification_handler;  in snd_dice_transaction_reinit()
331 	return register_notification_address(dice, false);  in snd_dice_transaction_reinit()
334 int snd_dice_transaction_init(struct snd_dice *dice)  in snd_dice_transaction_init()  argument
336 	struct fw_address_handler *handler = &dice->notification_handler;  in snd_dice_transaction_init()
346 	err = snd_fw_transaction(dice->unit, TCODE_READ_BLOCK_REQUEST,  in snd_dice_transaction_init()
355 	handler->callback_data = dice;  in snd_dice_transaction_init()
363 	err = register_notification_address(dice, true);  in snd_dice_transaction_init()
370 	dice->global_offset = be32_to_cpu(pointers[0]) * 4;  in snd_dice_transaction_init()
371 	dice->tx_offset = be32_to_cpu(pointers[2]) * 4;  in snd_dice_transaction_init()
372 	dice->rx_offset = be32_to_cpu(pointers[4]) * 4;  in snd_dice_transaction_init()
373 	dice->sync_offset = be32_to_cpu(pointers[6]) * 4;  in snd_dice_transaction_init()
374 	dice->rsrv_offset = be32_to_cpu(pointers[8]) * 4;  in snd_dice_transaction_init()
378 		dice->clock_caps = 1;  in snd_dice_transaction_init()