12 static u64 get_subaddr(struct snd_dice *dice, enum snd_dice_addr_type type,  in get_subaddr()  argument
17 		offset += dice->tx_offset;  in get_subaddr()
20 		offset += dice->rx_offset;  in get_subaddr()
23 		offset += dice->sync_offset;  in get_subaddr()
26 		offset += dice->rsrv_offset;  in get_subaddr()
30 		offset += dice->global_offset;  in get_subaddr()
37 int snd_dice_transaction_write(struct snd_dice *dice,  in snd_dice_transaction_write()  argument
41 	return snd_fw_transaction(dice->unit,  in snd_dice_transaction_write()
44 				  get_subaddr(dice, type, offset), buf, len, 0);  in snd_dice_transaction_write()
47 int snd_dice_transaction_read(struct snd_dice *dice,  in snd_dice_transaction_read()  argument
51 	return snd_fw_transaction(dice->unit,  in snd_dice_transaction_read()
54 				  get_subaddr(dice, type, offset), buf, len, 0);  in snd_dice_transaction_read()
57 static unsigned int get_clock_info(struct snd_dice *dice, __be32 *info)  in get_clock_info()  argument
59 	return snd_dice_transaction_read_global(dice, GLOBAL_CLOCK_SELECT,  in get_clock_info()
63 int snd_dice_transaction_get_clock_source(struct snd_dice *dice,  in snd_dice_transaction_get_clock_source()  argument
69 	err = get_clock_info(dice, &info);  in snd_dice_transaction_get_clock_source()
76 int snd_dice_transaction_get_rate(struct snd_dice *dice, unsigned int *rate)  in snd_dice_transaction_get_rate()  argument
82 	err = get_clock_info(dice, &info);  in snd_dice_transaction_get_rate()
97 int snd_dice_transaction_set_enable(struct snd_dice *dice)  in snd_dice_transaction_set_enable()  argument
102 	if (dice->global_enabled)  in snd_dice_transaction_set_enable()
106 	err = snd_fw_transaction(dice->unit, TCODE_WRITE_QUADLET_REQUEST,  in snd_dice_transaction_set_enable()
107 				 get_subaddr(dice, SND_DICE_ADDR_TYPE_GLOBAL,  in snd_dice_transaction_set_enable()
110 				 FW_FIXED_GENERATION | dice->owner_generation);  in snd_dice_transaction_set_enable()
114 	dice->global_enabled = true;  in snd_dice_transaction_set_enable()
119 void snd_dice_transaction_clear_enable(struct snd_dice *dice)  in snd_dice_transaction_clear_enable()  argument
124 	snd_fw_transaction(dice->unit, TCODE_WRITE_QUADLET_REQUEST,  in snd_dice_transaction_clear_enable()
125 			   get_subaddr(dice, SND_DICE_ADDR_TYPE_GLOBAL,  in snd_dice_transaction_clear_enable()
128 			   FW_FIXED_GENERATION | dice->owner_generation);  in snd_dice_transaction_clear_enable()
130 	dice->global_enabled = false;  in snd_dice_transaction_clear_enable()
138 	struct snd_dice *dice = callback_data;  in dice_notification()  local
153 	spin_lock_irqsave(&dice->lock, flags);  in dice_notification()
154 	dice->notification_bits |= bits;  in dice_notification()
155 	spin_unlock_irqrestore(&dice->lock, flags);  in dice_notification()
160 		complete(&dice->clock_accepted);  in dice_notification()
161 	wake_up(&dice->hwdep_wait);  in dice_notification()
164 static int register_notification_address(struct snd_dice *dice, bool retry)  in register_notification_address()  argument
166 	struct fw_device *device = fw_parent_device(dice->unit);  in register_notification_address()
181 			dice->notification_handler.offset);  in register_notification_address()
183 		dice->owner_generation = device->generation;  in register_notification_address()
185 		err = snd_fw_transaction(dice->unit, TCODE_LOCK_COMPARE_SWAP,  in register_notification_address()
186 					 get_subaddr(dice,  in register_notification_address()
191 							dice->owner_generation);  in register_notification_address()
200 			dev_err(&dice->unit->device,  in register_notification_address()
213 		dice->owner_generation = -1;  in register_notification_address()
218 static void unregister_notification_address(struct snd_dice *dice)  in unregister_notification_address()  argument
220 	struct fw_device *device = fw_parent_device(dice->unit);  in unregister_notification_address()
229 		dice->notification_handler.offset);  in unregister_notification_address()
231 	snd_fw_transaction(dice->unit, TCODE_LOCK_COMPARE_SWAP,  in unregister_notification_address()
232 			   get_subaddr(dice, SND_DICE_ADDR_TYPE_GLOBAL,  in unregister_notification_address()
235 			   FW_FIXED_GENERATION | dice->owner_generation);  in unregister_notification_address()
239 	dice->owner_generation = -1;  in unregister_notification_address()
242 void snd_dice_transaction_destroy(struct snd_dice *dice)  in snd_dice_transaction_destroy()  argument
244 	struct fw_address_handler *handler = &dice->notification_handler;  in snd_dice_transaction_destroy()
249 	unregister_notification_address(dice);  in snd_dice_transaction_destroy()
255 int snd_dice_transaction_reinit(struct snd_dice *dice)  in snd_dice_transaction_reinit()  argument
257 	struct fw_address_handler *handler = &dice->notification_handler;  in snd_dice_transaction_reinit()
262 	return register_notification_address(dice, false);  in snd_dice_transaction_reinit()
265 static int get_subaddrs(struct snd_dice *dice)  in get_subaddrs()  argument
290 	err = snd_fw_transaction(dice->unit, TCODE_READ_BLOCK_REQUEST,  in get_subaddrs()
309 		err = snd_fw_transaction(dice->unit, TCODE_READ_QUADLET_REQUEST,  in get_subaddrs()
318 			dev_err(&dice->unit->device,  in get_subaddrs()
326 		dice->clock_caps = 1;  in get_subaddrs()
329 	dice->global_offset = be32_to_cpu(pointers[0]) * 4;  in get_subaddrs()
330 	dice->tx_offset = be32_to_cpu(pointers[2]) * 4;  in get_subaddrs()
331 	dice->rx_offset = be32_to_cpu(pointers[4]) * 4;  in get_subaddrs()
335 		dice->sync_offset = be32_to_cpu(pointers[6]) * 4;  in get_subaddrs()
337 		dice->rsrv_offset = be32_to_cpu(pointers[8]) * 4;  in get_subaddrs()
343 int snd_dice_transaction_init(struct snd_dice *dice)  in snd_dice_transaction_init()  argument
345 	struct fw_address_handler *handler = &dice->notification_handler;  in snd_dice_transaction_init()
348 	err = get_subaddrs(dice);  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()