2  * skl-sst-ipc.c - Intel skl IPC Support
21 #include "skl-sst-ipc.h"
185 /* Set D0ix IPC extension register */
302 static void skl_ipc_tx_msg(struct sst_generic_ipc *ipc, struct ipc_message *msg)  in skl_ipc_tx_msg()  argument
307 		sst_dsp_outbox_write(ipc->dsp, msg->tx_data, msg->tx_size);  in skl_ipc_tx_msg()
308 	sst_dsp_shim_write_unlocked(ipc->dsp, SKL_ADSP_REG_HIPCIE,  in skl_ipc_tx_msg()
310 	sst_dsp_shim_write_unlocked(ipc->dsp, SKL_ADSP_REG_HIPCI,  in skl_ipc_tx_msg()
331 static struct ipc_message *skl_ipc_reply_get_msg(struct sst_generic_ipc *ipc,  in skl_ipc_reply_get_msg()  argument
337 	if (list_empty(&ipc->rx_list)) {  in skl_ipc_reply_get_msg()
338 		dev_err(ipc->dev, "ipc: rx list is empty but received 0x%x\n",  in skl_ipc_reply_get_msg()
343 	msg = list_first_entry(&ipc->rx_list, struct ipc_message, list);  in skl_ipc_reply_get_msg()
350 int skl_ipc_process_notification(struct sst_generic_ipc *ipc,  in skl_ipc_process_notification()  argument
353 	struct skl_sst *skl = container_of(ipc, struct skl_sst, ipc);  in skl_ipc_process_notification()
359 			dev_err(ipc->dev, "FW Underrun %x\n", header.primary);  in skl_ipc_process_notification()
363 			dev_err(ipc->dev, "MCPS Budget Violation: %x\n",  in skl_ipc_process_notification()
373 			dev_dbg(ipc->dev, "***** Phrase Detected **********\n");  in skl_ipc_process_notification()
381 			skl->enable_miscbdcge(ipc->dev, false);  in skl_ipc_process_notification()
386 			dev_err(ipc->dev, "ipc: Unhandled error msg=%x\n",  in skl_ipc_process_notification()
409 void skl_ipc_process_reply(struct sst_generic_ipc *ipc,  in skl_ipc_process_reply()  argument
415 	struct skl_sst *skl = container_of(ipc, struct skl_sst, ipc);  in skl_ipc_process_reply()
418 	spin_lock_irqsave(&ipc->dsp->spinlock, flags);  in skl_ipc_process_reply()
419 	msg = skl_ipc_reply_get_msg(ipc, *ipc_header);  in skl_ipc_process_reply()
420 	spin_unlock_irqrestore(&ipc->dsp->spinlock, flags);  in skl_ipc_process_reply()
422 		dev_dbg(ipc->dev, "ipc: rx list is empty\n");  in skl_ipc_process_reply()
428 		dev_dbg(ipc->dev, "ipc FW reply %x: success\n", header.primary);  in skl_ipc_process_reply()
430 		sst_dsp_inbox_read(ipc->dsp, msg->rx_data, msg->rx_size);  in skl_ipc_process_reply()
445 		dev_err(ipc->dev, "ipc FW reply: reply=%d\n", reply);  in skl_ipc_process_reply()
446 		dev_err(ipc->dev, "FW Error Code: %u\n",  in skl_ipc_process_reply()
447 			ipc->dsp->fw_ops.get_fw_errcode(ipc->dsp));  in skl_ipc_process_reply()
462 	spin_lock_irqsave(&ipc->dsp->spinlock, flags);  in skl_ipc_process_reply()
464 	sst_ipc_tx_msg_reply_complete(ipc, msg);  in skl_ipc_process_reply()
465 	spin_unlock_irqrestore(&ipc->dsp->spinlock, flags);  in skl_ipc_process_reply()
472 	struct sst_generic_ipc *ipc = &skl->ipc;  in skl_dsp_irq_thread_handler()  local
480 	/* Here we handle IPC interrupts only */  in skl_dsp_irq_thread_handler()
508 		dev_dbg(dsp->dev, "IPC irq: Firmware respond primary:%x\n",  in skl_dsp_irq_thread_handler()
510 		dev_dbg(dsp->dev, "IPC irq: Firmware respond extension:%x\n",  in skl_dsp_irq_thread_handler()
515 			skl_ipc_process_reply(ipc, header);  in skl_dsp_irq_thread_handler()
517 			dev_dbg(dsp->dev, "IPC irq: Notification from firmware\n");  in skl_dsp_irq_thread_handler()
518 			skl_ipc_process_notification(ipc, header);  in skl_dsp_irq_thread_handler()
532 	schedule_work(&ipc->kwork);  in skl_dsp_irq_thread_handler()
551 	/* enable IPC DONE interrupt */  in skl_ipc_op_int_enable()
555 	/* Enable IPC BUSY interrupt */  in skl_ipc_op_int_enable()
562 	/* disable IPC DONE interrupt */  in skl_ipc_op_int_disable()
566 	/* Disable IPC BUSY interrupt */  in skl_ipc_op_int_disable()
580 	struct sst_generic_ipc *ipc;  in skl_ipc_init()  local
583 	ipc = &skl->ipc;  in skl_ipc_init()
584 	ipc->dsp = skl->dsp;  in skl_ipc_init()
585 	ipc->dev = dev;  in skl_ipc_init()
587 	ipc->tx_data_max_size = SKL_ADSP_W1_SZ;  in skl_ipc_init()
588 	ipc->rx_data_max_size = SKL_ADSP_W0_UP_SZ;  in skl_ipc_init()
590 	err = sst_ipc_init(ipc);  in skl_ipc_init()
594 	ipc->ops.tx_msg = skl_ipc_tx_msg;  in skl_ipc_init()
595 	ipc->ops.tx_data_copy = skl_ipc_tx_data_copy;  in skl_ipc_init()
596 	ipc->ops.is_dsp_busy = skl_ipc_is_dsp_busy;  in skl_ipc_init()
601 void skl_ipc_free(struct sst_generic_ipc *ipc)  in skl_ipc_free()  argument
603 	/* Disable IPC DONE interrupt */  in skl_ipc_free()
604 	sst_dsp_shim_update_bits(ipc->dsp, SKL_ADSP_REG_HIPCCTL,  in skl_ipc_free()
607 	/* Disable IPC BUSY interrupt */  in skl_ipc_free()
608 	sst_dsp_shim_update_bits(ipc->dsp, SKL_ADSP_REG_HIPCCTL,  in skl_ipc_free()
611 	sst_ipc_fini(ipc);  in skl_ipc_free()
614 int skl_ipc_create_pipeline(struct sst_generic_ipc *ipc,  in skl_ipc_create_pipeline()  argument
630 	dev_dbg(ipc->dev, "In %s header=%d\n", __func__, header.primary);  in skl_ipc_create_pipeline()
631 	ret = sst_ipc_tx_message_wait(ipc, *ipc_header, NULL, 0, NULL, 0);  in skl_ipc_create_pipeline()
633 		dev_err(ipc->dev, "ipc: create pipeline fail, err: %d\n", ret);  in skl_ipc_create_pipeline()
641 int skl_ipc_delete_pipeline(struct sst_generic_ipc *ipc, u8 instance_id)  in skl_ipc_delete_pipeline()  argument
652 	dev_dbg(ipc->dev, "In %s header=%d\n", __func__, header.primary);  in skl_ipc_delete_pipeline()
653 	ret = sst_ipc_tx_message_wait(ipc, *ipc_header, NULL, 0, NULL, 0);  in skl_ipc_delete_pipeline()
655 		dev_err(ipc->dev, "ipc: delete pipeline failed, err %d\n", ret);  in skl_ipc_delete_pipeline()
663 int skl_ipc_set_pipeline_state(struct sst_generic_ipc *ipc,  in skl_ipc_set_pipeline_state()  argument
676 	dev_dbg(ipc->dev, "In %s header=%d\n", __func__, header.primary);  in skl_ipc_set_pipeline_state()
677 	ret = sst_ipc_tx_message_wait(ipc, *ipc_header, NULL, 0, NULL, 0);  in skl_ipc_set_pipeline_state()
679 		dev_err(ipc->dev, "ipc: set pipeline state failed, err: %d\n", ret);  in skl_ipc_set_pipeline_state()
687 skl_ipc_save_pipeline(struct sst_generic_ipc *ipc, u8 instance_id, int dma_id)  in skl_ipc_save_pipeline()  argument
699 	dev_dbg(ipc->dev, "In %s header=%d\n", __func__, header.primary);  in skl_ipc_save_pipeline()
700 	ret = sst_ipc_tx_message_wait(ipc, *ipc_header, NULL, 0, NULL, 0);  in skl_ipc_save_pipeline()
702 		dev_err(ipc->dev, "ipc: save pipeline failed, err: %d\n", ret);  in skl_ipc_save_pipeline()
710 int skl_ipc_restore_pipeline(struct sst_generic_ipc *ipc, u8 instance_id)  in skl_ipc_restore_pipeline()  argument
721 	dev_dbg(ipc->dev, "In %s header=%d\n", __func__, header.primary);  in skl_ipc_restore_pipeline()
722 	ret = sst_ipc_tx_message_wait(ipc, *ipc_header, NULL, 0, NULL, 0);  in skl_ipc_restore_pipeline()
724 		dev_err(ipc->dev, "ipc: restore  pipeline failed, err: %d\n", ret);  in skl_ipc_restore_pipeline()
732 int skl_ipc_set_dx(struct sst_generic_ipc *ipc, u8 instance_id,  in skl_ipc_set_dx()  argument
745 	dev_dbg(ipc->dev, "In %s primary =%x ext=%x\n", __func__,  in skl_ipc_set_dx()
747 	ret = sst_ipc_tx_message_wait(ipc, *ipc_header,  in skl_ipc_set_dx()
750 		dev_err(ipc->dev, "ipc: set dx failed, err %d\n", ret);  in skl_ipc_set_dx()
758 int skl_ipc_init_instance(struct sst_generic_ipc *ipc,  in skl_ipc_init_instance()  argument
782 	dev_dbg(ipc->dev, "In %s primary =%x ext=%x\n", __func__,  in skl_ipc_init_instance()
784 	ret = sst_ipc_tx_message_wait(ipc, *ipc_header, param_data,  in skl_ipc_init_instance()
788 		dev_err(ipc->dev, "ipc: init instance failed\n");  in skl_ipc_init_instance()
796 int skl_ipc_bind_unbind(struct sst_generic_ipc *ipc,  in skl_ipc_bind_unbind()  argument
815 	dev_dbg(ipc->dev, "In %s hdr=%x ext=%x\n", __func__, header.primary,  in skl_ipc_bind_unbind()
817 	ret = sst_ipc_tx_message_wait(ipc, *ipc_header, NULL, 0, NULL, 0);  in skl_ipc_bind_unbind()
819 		dev_err(ipc->dev, "ipc: bind/unbind failed\n");  in skl_ipc_bind_unbind()
828  * In order to load a module we need to send IPC to initiate that. DMA will
830  * at single shot, so we can send IPC with N modules represented by
833 int skl_ipc_load_modules(struct sst_generic_ipc *ipc,  in skl_ipc_load_modules()  argument
845 	ret = sst_ipc_tx_message_nowait(ipc, *ipc_header, data,  in skl_ipc_load_modules()
848 		dev_err(ipc->dev, "ipc: load modules failed :%d\n", ret);  in skl_ipc_load_modules()
854 int skl_ipc_unload_modules(struct sst_generic_ipc *ipc, u8 module_cnt,  in skl_ipc_unload_modules()  argument
866 	ret = sst_ipc_tx_message_wait(ipc, *ipc_header, data,  in skl_ipc_unload_modules()
869 		dev_err(ipc->dev, "ipc: unload modules failed :%d\n", ret);  in skl_ipc_unload_modules()
875 int skl_ipc_set_large_config(struct sst_generic_ipc *ipc,  in skl_ipc_set_large_config()  argument
902 		dev_dbg(ipc->dev, "In %s primary=%#x ext=%#x\n", __func__,  in skl_ipc_set_large_config()
904 		dev_dbg(ipc->dev, "transmitting offset: %#x, size: %#x\n",  in skl_ipc_set_large_config()
906 		ret = sst_ipc_tx_message_wait(ipc, *ipc_header,  in skl_ipc_set_large_config()
910 			dev_err(ipc->dev,  in skl_ipc_set_large_config()
911 				"ipc: set large config fail, err: %d\n", ret);  in skl_ipc_set_large_config()
929 int skl_ipc_get_large_config(struct sst_generic_ipc *ipc,  in skl_ipc_get_large_config()  argument
957 		ret = sst_ipc_tx_message_wait(ipc, *ipc_header, NULL, 0,  in skl_ipc_get_large_config()
961 			dev_err(ipc->dev,  in skl_ipc_get_large_config()
962 				"ipc: get large config fail, err: %d\n", ret);  in skl_ipc_get_large_config()
980 int skl_sst_ipc_load_library(struct sst_generic_ipc *ipc,  in skl_sst_ipc_load_library()  argument
994 		ret = sst_ipc_tx_message_wait(ipc, *ipc_header,  in skl_sst_ipc_load_library()
997 		ret = sst_ipc_tx_message_nowait(ipc, *ipc_header, NULL, 0);  in skl_sst_ipc_load_library()
1000 		dev_err(ipc->dev, "ipc: load lib failed\n");  in skl_sst_ipc_load_library()
1006 int skl_ipc_set_d0ix(struct sst_generic_ipc *ipc, struct skl_ipc_d0ix_msg *msg)  in skl_ipc_set_d0ix()  argument
1021 	dev_dbg(ipc->dev, "In %s primary=%x ext=%x\n", __func__,  in skl_ipc_set_d0ix()
1025 	 * Use the nopm IPC here as we dont want it checking for D0iX  in skl_ipc_set_d0ix()
1027 	ret = sst_ipc_tx_message_nopm(ipc, *ipc_header, NULL, 0, NULL, 0);  in skl_ipc_set_d0ix()
1029 		dev_err(ipc->dev, "ipc: set d0ix failed, err %d\n", ret);  in skl_ipc_set_d0ix()