1 // SPDX-License-Identifier: GPL-2.0-only
4  *	HCI-LL module responsible for TI proprietary HCI_LL protocol
5  *  Copyright (C) 2009-2010 Texas Instruments
33 	if (st_data->ll_state != ST_LL_AWAKE)  in ll_device_want_to_sleep()
35 			  "in state %ld", st_data->ll_state);  in ll_device_want_to_sleep()
39 	st_data->ll_state = ST_LL_ASLEEP;  in ll_device_want_to_sleep()
42 	kim_data = st_data->kim_data;  in ll_device_want_to_sleep()
43 	pdata = kim_data->kim_pdev->dev.platform_data;  in ll_device_want_to_sleep()
44 	if (pdata->chip_asleep)  in ll_device_want_to_sleep()
45 		pdata->chip_asleep(NULL);  in ll_device_want_to_sleep()
54 	switch (st_data->ll_state) {  in ll_device_want_to_wakeup()
60 		pr_err("duplicate wake_ind while waiting for Wake ack");  in ll_device_want_to_wakeup()
72 	st_data->ll_state = ST_LL_AWAKE;  in ll_device_want_to_wakeup()
75 	kim_data = st_data->kim_data;  in ll_device_want_to_wakeup()
76 	pdata = kim_data->kim_pdev->dev.platform_data;  in ll_device_want_to_wakeup()
77 	if (pdata->chip_awake)  in ll_device_want_to_wakeup()
78 		pdata->chip_awake(NULL);  in ll_device_want_to_wakeup()
88 	ll->ll_state = ST_LL_AWAKE;  in st_ll_enable()
95 	ll->ll_state = ST_LL_INVALID;  in st_ll_disable()
101 	if (likely(ll->ll_state != ST_LL_AWAKE)) {  in st_ll_wakeup()
103 		ll->ll_state = ST_LL_ASLEEP_TO_AWAKE;  in st_ll_wakeup()
113 	pr_debug(" returning state %ld", ll->ll_state);  in st_ll_getstate()
114 	return ll->ll_state;  in st_ll_getstate()
127 		pr_err("sleep ack rcvd: host shouldn't");  in st_ll_sleep_state()
129 	case LL_WAKE_UP_IND:	/* wake ind */  in st_ll_sleep_state()
130 		pr_debug("wake indication recvd");  in st_ll_sleep_state()
133 	case LL_WAKE_UP_ACK:	/* wake ack */  in st_ll_sleep_state()
134 		pr_debug("wake ack rcvd");  in st_ll_sleep_state()
135 		st_data->ll_state = ST_LL_AWAKE;  in st_ll_sleep_state()
139 		return -EINVAL;  in st_ll_sleep_state()
148 	ll->ll_state = ST_LL_INVALID;  in st_ll_init()
152 /* Called from ST CORE to de-initialize ST LL */