12 int ipc_protocol_tq_msg_send(struct iosm_protocol *ipc_protocol,  in ipc_protocol_tq_msg_send()  argument
17 	int index = ipc_protocol_msg_prep(ipc_protocol->imem, msg_type,  in ipc_protocol_tq_msg_send()
24 		ipc_protocol->rsp_ring[index] = response;  in ipc_protocol_tq_msg_send()
25 		ipc_protocol_msg_hp_update(ipc_protocol->imem);  in ipc_protocol_tq_msg_send()
36 	struct iosm_protocol *ipc_protocol = ipc_imem->ipc_protocol;  in ipc_protocol_tq_msg_send_cb()  local
38 	return ipc_protocol_tq_msg_send(ipc_protocol, send_args->msg_type,  in ipc_protocol_tq_msg_send_cb()
49 	struct iosm_protocol *ipc_protocol = ipc_imem->ipc_protocol;  in ipc_protocol_tq_msg_remove()  local
51 	ipc_protocol->rsp_ring[arg] = NULL;  in ipc_protocol_tq_msg_remove()
55 int ipc_protocol_msg_send(struct iosm_protocol *ipc_protocol,  in ipc_protocol_msg_send()  argument
64 	exec_timeout = (ipc_protocol_get_ap_exec_stage(ipc_protocol) ==  in ipc_protocol_msg_send()
83 	index = ipc_task_queue_send_task(ipc_protocol->imem,  in ipc_protocol_msg_send()
88 		dev_err(ipc_protocol->dev, "msg %d failed", prep);  in ipc_protocol_msg_send()
100 		ipc_task_queue_send_task(ipc_protocol->imem,  in ipc_protocol_msg_send()
103 		dev_err(ipc_protocol->dev, "msg timeout");  in ipc_protocol_msg_send()
104 		ipc_uevent_send(ipc_protocol->pcie->dev, UEVENT_MDM_TIMEOUT);  in ipc_protocol_msg_send()
109 			dev_err(ipc_protocol->dev,  in ipc_protocol_msg_send()
119 static int ipc_protocol_msg_send_host_sleep(struct iosm_protocol *ipc_protocol,  in ipc_protocol_msg_send_host_sleep()  argument
127 	return ipc_protocol_msg_send(ipc_protocol, IPC_MSG_PREP_SLEEP,  in ipc_protocol_msg_send_host_sleep()
131 void ipc_protocol_doorbell_trigger(struct iosm_protocol *ipc_protocol,  in ipc_protocol_doorbell_trigger()  argument
134 	ipc_pm_signal_hpda_doorbell(&ipc_protocol->pm, identifier, true);  in ipc_protocol_doorbell_trigger()
137 bool ipc_protocol_pm_dev_sleep_handle(struct iosm_protocol *ipc_protocol)  in ipc_protocol_pm_dev_sleep_handle()  argument
139 	u32 ipc_status = ipc_protocol_get_ipc_status(ipc_protocol);  in ipc_protocol_pm_dev_sleep_handle()
143 		dev_err(ipc_protocol->dev,  in ipc_protocol_pm_dev_sleep_handle()
154 	requested = ipc_protocol_pm_dev_get_sleep_notification(ipc_protocol);  in ipc_protocol_pm_dev_sleep_handle()
156 	return ipc_pm_dev_slp_notification(&ipc_protocol->pm, requested);  in ipc_protocol_pm_dev_sleep_handle()
162 	struct iosm_pm *ipc_pm = &ipc_imem->ipc_protocol->pm;  in ipc_protocol_tq_wakeup_dev_slp()
172 void ipc_protocol_s2idle_sleep(struct iosm_protocol *ipc_protocol, bool sleep)  in ipc_protocol_s2idle_sleep()  argument
174 	ipc_pm_set_s2idle_sleep(&ipc_protocol->pm, sleep);  in ipc_protocol_s2idle_sleep()
177 bool ipc_protocol_suspend(struct iosm_protocol *ipc_protocol)  in ipc_protocol_suspend()  argument
179 	if (!ipc_pm_prepare_host_sleep(&ipc_protocol->pm))  in ipc_protocol_suspend()
182 	ipc_task_queue_send_task(ipc_protocol->imem,  in ipc_protocol_suspend()
186 	if (!ipc_pm_wait_for_device_active(&ipc_protocol->pm)) {  in ipc_protocol_suspend()
187 		ipc_uevent_send(ipc_protocol->pcie->dev, UEVENT_MDM_TIMEOUT);  in ipc_protocol_suspend()
192 	dev_dbg(ipc_protocol->dev, "send TARGET_HOST, ENTER_SLEEP");  in ipc_protocol_suspend()
193 	if (ipc_protocol_msg_send_host_sleep(ipc_protocol,  in ipc_protocol_suspend()
196 		ipc_protocol->pm.host_pm_state = IPC_MEM_HOST_PM_ACTIVE;  in ipc_protocol_suspend()
200 	ipc_protocol->pm.host_pm_state = IPC_MEM_HOST_PM_SLEEP;  in ipc_protocol_suspend()
206 bool ipc_protocol_resume(struct iosm_protocol *ipc_protocol)  in ipc_protocol_resume()  argument
208 	if (!ipc_pm_prepare_host_active(&ipc_protocol->pm))  in ipc_protocol_resume()
211 	dev_dbg(ipc_protocol->dev, "send TARGET_HOST, EXIT_SLEEP");  in ipc_protocol_resume()
212 	if (ipc_protocol_msg_send_host_sleep(ipc_protocol,  in ipc_protocol_resume()
214 		ipc_protocol->pm.host_pm_state = IPC_MEM_HOST_PM_SLEEP;  in ipc_protocol_resume()
218 	ipc_protocol->pm.host_pm_state = IPC_MEM_HOST_PM_ACTIVE;  in ipc_protocol_resume()
225 	struct iosm_protocol *ipc_protocol =  in ipc_protocol_init()  local
226 		kzalloc(sizeof(*ipc_protocol), GFP_KERNEL);  in ipc_protocol_init()
230 	if (!ipc_protocol)  in ipc_protocol_init()
233 	ipc_protocol->dev = ipc_imem->dev;  in ipc_protocol_init()
234 	ipc_protocol->pcie = ipc_imem->pcie;  in ipc_protocol_init()
235 	ipc_protocol->imem = ipc_imem;  in ipc_protocol_init()
236 	ipc_protocol->p_ap_shm = NULL;  in ipc_protocol_init()
237 	ipc_protocol->phy_ap_shm = 0;  in ipc_protocol_init()
239 	ipc_protocol->old_msg_tail = 0;  in ipc_protocol_init()
241 	ipc_protocol->p_ap_shm =  in ipc_protocol_init()
242 		dma_alloc_coherent(&ipc_protocol->pcie->pci->dev,  in ipc_protocol_init()
243 				   sizeof(*ipc_protocol->p_ap_shm),  in ipc_protocol_init()
244 				   &ipc_protocol->phy_ap_shm, GFP_KERNEL);  in ipc_protocol_init()
246 	if (!ipc_protocol->p_ap_shm) {  in ipc_protocol_init()
247 		dev_err(ipc_protocol->dev, "pci shm alloc error");  in ipc_protocol_init()
248 		kfree(ipc_protocol);  in ipc_protocol_init()
253 	addr = ipc_protocol->phy_ap_shm;  in ipc_protocol_init()
254 	p_ci = &ipc_protocol->p_ap_shm->ci;  in ipc_protocol_init()
271 	ipc_pm_init(ipc_protocol);  in ipc_protocol_init()
273 	return ipc_protocol;  in ipc_protocol_init()