2  * Copyright (c) 2020-2023 Intel Corporation
4  * SPDX-License-Identifier: Apache-2.0
23 	struct ipm_sedi_context *ipm = dev->data;  in set_ipm_dev_busy()
24 	unsigned int key = irq_lock();  in set_ipm_dev_busy()  local
26 	atomic_set_bit(&ipm->status, is_write ? IPM_WRITE_BUSY_BIT : IPM_READ_BUSY_BIT);  in set_ipm_dev_busy()
28 	irq_unlock(key);  in set_ipm_dev_busy()
33 	struct ipm_sedi_context *ipm = dev->data;  in clear_ipm_dev_busy()
34 	unsigned int key = irq_lock();  in clear_ipm_dev_busy()  local
36 	atomic_clear_bit(&ipm->status, is_write ? IPM_WRITE_BUSY_BIT : IPM_READ_BUSY_BIT);  in clear_ipm_dev_busy()
37 	if ((!atomic_test_bit(&ipm->status, IPM_WRITE_BUSY_BIT))  in clear_ipm_dev_busy()
38 		&& (!atomic_test_bit(&ipm->status, IPM_READ_BUSY_BIT))) {  in clear_ipm_dev_busy()
41 	irq_unlock(key);  in clear_ipm_dev_busy()
47 	struct ipm_sedi_context *ipm = dev->data;  in ipm_event_dispose()
53 		if (ipm->rx_msg_notify_cb != NULL) {  in ipm_event_dispose()
57 			sedi_ipc_read_msg(device, ipm->incoming_data_buf, len);  in ipm_event_dispose()
58 			ipm->rx_msg_notify_cb(dev,  in ipm_event_dispose()
59 					      ipm->rx_msg_notify_cb_data,  in ipm_event_dispose()
60 					      drbl_in, ipm->incoming_data_buf);  in ipm_event_dispose()
66 		if (atomic_test_bit(&ipm->status, IPM_WRITE_IN_PROC_BIT)) {  in ipm_event_dispose()
67 			k_sem_give(&ipm->device_write_msg_sem);  in ipm_event_dispose()
80 	const struct ipm_sedi_config_t *info = dev->config;  in ipm_init()
81 	sedi_ipc_t device = info->ipc_device;  in ipm_init()
82 	struct ipm_sedi_context *ipm = dev->data;  in ipm_init()
84 	info->irq_config();  in ipm_init()
85 	k_sem_init(&ipm->device_write_msg_sem, 0, 1);  in ipm_init()
86 	k_mutex_init(&ipm->device_write_lock);  in ipm_init()
87 	ipm->status = 0;  in ipm_init()
90 	atomic_set_bit(&ipm->status, IPM_PEER_READY_BIT);  in ipm_init()
100 	const struct ipm_sedi_config_t *info = dev->config;  in ipm_send_isr()
101 	sedi_ipc_t device = info->ipc_device;  in ipm_send_isr()
120 	__ASSERT((dev != NULL), "bad params\n");  in ipm_sedi_send()
121 	const struct ipm_sedi_config_t *info = dev->config;  in ipm_sedi_send()
122 	struct ipm_sedi_context *ipm = dev->data;  in ipm_sedi_send()
123 	sedi_ipc_t device = info->ipc_device;  in ipm_sedi_send()
129 		LOG_ERR("bad params when sending ipm msg on device: %p", dev);  in ipm_sedi_send()
130 		return -EINVAL;  in ipm_sedi_send()
135 		return -ENOTSUP;  in ipm_sedi_send()
142 	k_mutex_lock(&ipm->device_write_lock, K_FOREVER);  in ipm_sedi_send()
145 	if (!atomic_test_bit(&ipm->status, IPM_PEER_READY_BIT)) {  in ipm_sedi_send()
147 		ret = -EBUSY;  in ipm_sedi_send()
157 			ret = -EBUSY;  in ipm_sedi_send()
162 	atomic_set_bit(&ipm->status, IPM_WRITE_IN_PROC_BIT);  in ipm_sedi_send()
168 		ret = -EBUSY;  in ipm_sedi_send()
172 	/* wait for busy-bit-consumed interrupt */  in ipm_sedi_send()
173 	ret = k_sem_take(&ipm->device_write_msg_sem, K_MSEC(IPM_TIMEOUT_MS));  in ipm_sedi_send()
180 	atomic_clear_bit(&ipm->status, IPM_WRITE_IN_PROC_BIT);  in ipm_sedi_send()
184 	k_mutex_unlock(&ipm->device_write_lock);  in ipm_sedi_send()
195 	__ASSERT((dev != NULL), "bad params\n");  in ipm_sedi_register_callback()
197 	struct ipm_sedi_context *ipm = dev->data;  in ipm_sedi_register_callback()
200 		LOG_ERR("bad params when add ipm callback on device: %p", dev);  in ipm_sedi_register_callback()
204 	if (ipm->rx_msg_notify_cb == NULL) {  in ipm_sedi_register_callback()
205 		ipm->rx_msg_notify_cb = cb;  in ipm_sedi_register_callback()
206 		ipm->rx_msg_notify_cb_data = user_data;  in ipm_sedi_register_callback()
216 	__ASSERT((dev != NULL), "bad params\n");  in ipm_sedi_complete()
218 	const struct ipm_sedi_config_t *info = dev->config;  in ipm_sedi_complete()
219 	sedi_ipc_t device = info->ipc_device;  in ipm_sedi_complete()
243 	__ASSERT((dev != NULL), "bad params\n");  in ipm_sedi_set_enable()
245 	const struct ipm_sedi_config_t *info = dev->config;  in ipm_sedi_set_enable()
248 		irq_enable(info->irq_num);  in ipm_sedi_set_enable()
250 		irq_disable(info->irq_num);  in ipm_sedi_set_enable()