Lines Matching +full:dev +full:- +full:ctrl
1 // SPDX-License-Identifier: GPL-2.0
2 // Copyright (c) 2011-2017, The Linux Foundation. All rights reserved.
11 #include <linux/dma-mapping.h>
22 /* NGD (Non-ported Generic Device) registers */
100 #define to_ngd(d) container_of(d, struct qcom_slim_ngd, dev)
132 struct qcom_slim_ngd_ctrl *ctrl; member
147 struct slim_controller ctrl; member
150 struct device *dev; member
337 static int qcom_slim_qmi_send_select_inst_req(struct qcom_slim_ngd_ctrl *ctrl, in qcom_slim_qmi_send_select_inst_req() argument
344 rc = qmi_txn_init(ctrl->qmi.handle, &txn, in qcom_slim_qmi_send_select_inst_req()
347 dev_err(ctrl->dev, "QMI TXN init fail: %d\n", rc); in qcom_slim_qmi_send_select_inst_req()
351 rc = qmi_send_request(ctrl->qmi.handle, NULL, &txn, in qcom_slim_qmi_send_select_inst_req()
356 dev_err(ctrl->dev, "QMI send req fail %d\n", rc); in qcom_slim_qmi_send_select_inst_req()
363 dev_err(ctrl->dev, "QMI TXN wait fail: %d\n", rc); in qcom_slim_qmi_send_select_inst_req()
368 dev_err(ctrl->dev, "QMI request failed 0x%x\n", in qcom_slim_qmi_send_select_inst_req()
370 return -EREMOTEIO; in qcom_slim_qmi_send_select_inst_req()
383 if (resp->resp.result != QMI_RESULT_SUCCESS_V01) in qcom_slim_qmi_power_resp_cb()
385 resp->resp.result); in qcom_slim_qmi_power_resp_cb()
387 complete(&txn->completion); in qcom_slim_qmi_power_resp_cb()
390 static int qcom_slim_qmi_send_power_request(struct qcom_slim_ngd_ctrl *ctrl, in qcom_slim_qmi_send_power_request() argument
397 rc = qmi_txn_init(ctrl->qmi.handle, &txn, in qcom_slim_qmi_send_power_request()
400 rc = qmi_send_request(ctrl->qmi.handle, NULL, &txn, in qcom_slim_qmi_send_power_request()
405 dev_err(ctrl->dev, "QMI send req fail %d\n", rc); in qcom_slim_qmi_send_power_request()
412 dev_err(ctrl->dev, "QMI TXN wait fail: %d\n", rc); in qcom_slim_qmi_send_power_request()
418 dev_err(ctrl->dev, "QMI request failed 0x%x\n", in qcom_slim_qmi_send_power_request()
420 return -EREMOTEIO; in qcom_slim_qmi_send_power_request()
437 static int qcom_slim_qmi_init(struct qcom_slim_ngd_ctrl *ctrl, in qcom_slim_qmi_init() argument
444 handle = devm_kzalloc(ctrl->dev, sizeof(*handle), GFP_KERNEL); in qcom_slim_qmi_init()
446 return -ENOMEM; in qcom_slim_qmi_init()
451 dev_err(ctrl->dev, "QMI client init failed: %d\n", rc); in qcom_slim_qmi_init()
455 rc = kernel_connect(handle->sock, in qcom_slim_qmi_init()
456 (struct sockaddr *)&ctrl->qmi.svc_info, in qcom_slim_qmi_init()
457 sizeof(ctrl->qmi.svc_info), 0); in qcom_slim_qmi_init()
459 dev_err(ctrl->dev, "Remote Service connect failed: %d\n", rc); in qcom_slim_qmi_init()
464 req.instance = (ctrl->ngd->id >> 1); in qcom_slim_qmi_init()
473 ctrl->qmi.handle = handle; in qcom_slim_qmi_init()
475 rc = qcom_slim_qmi_send_select_inst_req(ctrl, &req); in qcom_slim_qmi_init()
477 dev_err(ctrl->dev, "failed to select h/w instance\n"); in qcom_slim_qmi_init()
484 ctrl->qmi.handle = NULL; in qcom_slim_qmi_init()
488 devm_kfree(ctrl->dev, handle); in qcom_slim_qmi_init()
492 static void qcom_slim_qmi_exit(struct qcom_slim_ngd_ctrl *ctrl) in qcom_slim_qmi_exit() argument
494 if (!ctrl->qmi.handle) in qcom_slim_qmi_exit()
497 qmi_handle_release(ctrl->qmi.handle); in qcom_slim_qmi_exit()
498 devm_kfree(ctrl->dev, ctrl->qmi.handle); in qcom_slim_qmi_exit()
499 ctrl->qmi.handle = NULL; in qcom_slim_qmi_exit()
502 static int qcom_slim_qmi_power_request(struct qcom_slim_ngd_ctrl *ctrl, in qcom_slim_qmi_power_request() argument
514 return qcom_slim_qmi_send_power_request(ctrl, &req); in qcom_slim_qmi_power_request()
517 static u32 *qcom_slim_ngd_tx_msg_get(struct qcom_slim_ngd_ctrl *ctrl, int len, in qcom_slim_ngd_tx_msg_get() argument
523 spin_lock_irqsave(&ctrl->tx_buf_lock, flags); in qcom_slim_ngd_tx_msg_get()
525 if ((ctrl->tx_tail + 1) % QCOM_SLIM_NGD_DESC_NUM == ctrl->tx_head) { in qcom_slim_ngd_tx_msg_get()
526 spin_unlock_irqrestore(&ctrl->tx_buf_lock, flags); in qcom_slim_ngd_tx_msg_get()
529 desc = &ctrl->txdesc[ctrl->tx_tail]; in qcom_slim_ngd_tx_msg_get()
530 desc->base = ctrl->tx_base + ctrl->tx_tail * SLIM_MSGQ_BUF_LEN; in qcom_slim_ngd_tx_msg_get()
531 desc->comp = comp; in qcom_slim_ngd_tx_msg_get()
532 ctrl->tx_tail = (ctrl->tx_tail + 1) % QCOM_SLIM_NGD_DESC_NUM; in qcom_slim_ngd_tx_msg_get()
534 spin_unlock_irqrestore(&ctrl->tx_buf_lock, flags); in qcom_slim_ngd_tx_msg_get()
536 return desc->base; in qcom_slim_ngd_tx_msg_get()
542 struct qcom_slim_ngd_ctrl *ctrl = desc->ctrl; in qcom_slim_ngd_tx_msg_dma_cb() local
545 spin_lock_irqsave(&ctrl->tx_buf_lock, flags); in qcom_slim_ngd_tx_msg_dma_cb()
547 if (desc->comp) { in qcom_slim_ngd_tx_msg_dma_cb()
548 complete(desc->comp); in qcom_slim_ngd_tx_msg_dma_cb()
549 desc->comp = NULL; in qcom_slim_ngd_tx_msg_dma_cb()
552 ctrl->tx_head = (ctrl->tx_head + 1) % QCOM_SLIM_NGD_DESC_NUM; in qcom_slim_ngd_tx_msg_dma_cb()
553 spin_unlock_irqrestore(&ctrl->tx_buf_lock, flags); in qcom_slim_ngd_tx_msg_dma_cb()
556 static int qcom_slim_ngd_tx_msg_post(struct qcom_slim_ngd_ctrl *ctrl, in qcom_slim_ngd_tx_msg_post() argument
563 spin_lock_irqsave(&ctrl->tx_buf_lock, flags); in qcom_slim_ngd_tx_msg_post()
564 offset = buf - ctrl->tx_base; in qcom_slim_ngd_tx_msg_post()
567 desc = &ctrl->txdesc[index]; in qcom_slim_ngd_tx_msg_post()
568 desc->phys = ctrl->tx_phys_base + offset; in qcom_slim_ngd_tx_msg_post()
569 desc->base = ctrl->tx_base + offset; in qcom_slim_ngd_tx_msg_post()
570 desc->ctrl = ctrl; in qcom_slim_ngd_tx_msg_post()
573 desc->desc = dmaengine_prep_slave_single(ctrl->dma_tx_channel, in qcom_slim_ngd_tx_msg_post()
574 desc->phys, len, in qcom_slim_ngd_tx_msg_post()
577 if (!desc->desc) { in qcom_slim_ngd_tx_msg_post()
578 dev_err(ctrl->dev, "unable to prepare channel\n"); in qcom_slim_ngd_tx_msg_post()
579 spin_unlock_irqrestore(&ctrl->tx_buf_lock, flags); in qcom_slim_ngd_tx_msg_post()
580 return -EINVAL; in qcom_slim_ngd_tx_msg_post()
583 desc->desc->callback = qcom_slim_ngd_tx_msg_dma_cb; in qcom_slim_ngd_tx_msg_post()
584 desc->desc->callback_param = desc; in qcom_slim_ngd_tx_msg_post()
585 desc->desc->cookie = dmaengine_submit(desc->desc); in qcom_slim_ngd_tx_msg_post()
586 dma_async_issue_pending(ctrl->dma_tx_channel); in qcom_slim_ngd_tx_msg_post()
587 spin_unlock_irqrestore(&ctrl->tx_buf_lock, flags); in qcom_slim_ngd_tx_msg_post()
592 static void qcom_slim_ngd_rx(struct qcom_slim_ngd_ctrl *ctrl, u8 *buf) in qcom_slim_ngd_rx() argument
602 queue_work(ctrl->mwq, &ctrl->m_work); in qcom_slim_ngd_rx()
609 slim_msg_response(&ctrl->ctrl, &buf[4], buf[3], len - 4); in qcom_slim_ngd_rx()
610 pm_runtime_mark_last_busy(ctrl->dev); in qcom_slim_ngd_rx()
617 struct qcom_slim_ngd_ctrl *ctrl = desc->ctrl; in qcom_slim_ngd_rx_msgq_cb() local
619 qcom_slim_ngd_rx(ctrl, (u8 *)desc->base); in qcom_slim_ngd_rx_msgq_cb()
621 desc->desc = dmaengine_prep_slave_single(ctrl->dma_rx_channel, in qcom_slim_ngd_rx_msgq_cb()
622 desc->phys, SLIM_MSGQ_BUF_LEN, in qcom_slim_ngd_rx_msgq_cb()
625 if (!desc->desc) { in qcom_slim_ngd_rx_msgq_cb()
626 dev_err(ctrl->dev, "Unable to prepare rx channel\n"); in qcom_slim_ngd_rx_msgq_cb()
630 desc->desc->callback = qcom_slim_ngd_rx_msgq_cb; in qcom_slim_ngd_rx_msgq_cb()
631 desc->desc->callback_param = desc; in qcom_slim_ngd_rx_msgq_cb()
632 desc->desc->cookie = dmaengine_submit(desc->desc); in qcom_slim_ngd_rx_msgq_cb()
633 dma_async_issue_pending(ctrl->dma_rx_channel); in qcom_slim_ngd_rx_msgq_cb()
636 static int qcom_slim_ngd_post_rx_msgq(struct qcom_slim_ngd_ctrl *ctrl) in qcom_slim_ngd_post_rx_msgq() argument
642 desc = &ctrl->rx_desc[i]; in qcom_slim_ngd_post_rx_msgq()
643 desc->phys = ctrl->rx_phys_base + i * SLIM_MSGQ_BUF_LEN; in qcom_slim_ngd_post_rx_msgq()
644 desc->ctrl = ctrl; in qcom_slim_ngd_post_rx_msgq()
645 desc->base = ctrl->rx_base + i * SLIM_MSGQ_BUF_LEN; in qcom_slim_ngd_post_rx_msgq()
646 desc->desc = dmaengine_prep_slave_single(ctrl->dma_rx_channel, in qcom_slim_ngd_post_rx_msgq()
647 desc->phys, SLIM_MSGQ_BUF_LEN, in qcom_slim_ngd_post_rx_msgq()
650 if (!desc->desc) { in qcom_slim_ngd_post_rx_msgq()
651 dev_err(ctrl->dev, "Unable to prepare rx channel\n"); in qcom_slim_ngd_post_rx_msgq()
652 return -EINVAL; in qcom_slim_ngd_post_rx_msgq()
655 desc->desc->callback = qcom_slim_ngd_rx_msgq_cb; in qcom_slim_ngd_post_rx_msgq()
656 desc->desc->callback_param = desc; in qcom_slim_ngd_post_rx_msgq()
657 desc->desc->cookie = dmaengine_submit(desc->desc); in qcom_slim_ngd_post_rx_msgq()
659 dma_async_issue_pending(ctrl->dma_rx_channel); in qcom_slim_ngd_post_rx_msgq()
664 static int qcom_slim_ngd_init_rx_msgq(struct qcom_slim_ngd_ctrl *ctrl) in qcom_slim_ngd_init_rx_msgq() argument
666 struct device *dev = ctrl->dev; in qcom_slim_ngd_init_rx_msgq() local
669 ctrl->dma_rx_channel = dma_request_chan(dev, "rx"); in qcom_slim_ngd_init_rx_msgq()
670 if (IS_ERR(ctrl->dma_rx_channel)) { in qcom_slim_ngd_init_rx_msgq()
671 dev_err(dev, "Failed to request RX dma channel"); in qcom_slim_ngd_init_rx_msgq()
672 ret = PTR_ERR(ctrl->dma_rx_channel); in qcom_slim_ngd_init_rx_msgq()
673 ctrl->dma_rx_channel = NULL; in qcom_slim_ngd_init_rx_msgq()
678 ctrl->rx_base = dma_alloc_coherent(dev, size, &ctrl->rx_phys_base, in qcom_slim_ngd_init_rx_msgq()
680 if (!ctrl->rx_base) { in qcom_slim_ngd_init_rx_msgq()
681 dev_err(dev, "dma_alloc_coherent failed\n"); in qcom_slim_ngd_init_rx_msgq()
682 ret = -ENOMEM; in qcom_slim_ngd_init_rx_msgq()
686 ret = qcom_slim_ngd_post_rx_msgq(ctrl); in qcom_slim_ngd_init_rx_msgq()
688 dev_err(dev, "post_rx_msgq() failed 0x%x\n", ret); in qcom_slim_ngd_init_rx_msgq()
695 dma_free_coherent(dev, size, ctrl->rx_base, ctrl->rx_phys_base); in qcom_slim_ngd_init_rx_msgq()
697 dma_release_channel(ctrl->dma_rx_channel); in qcom_slim_ngd_init_rx_msgq()
701 static int qcom_slim_ngd_init_tx_msgq(struct qcom_slim_ngd_ctrl *ctrl) in qcom_slim_ngd_init_tx_msgq() argument
703 struct device *dev = ctrl->dev; in qcom_slim_ngd_init_tx_msgq() local
708 ctrl->dma_tx_channel = dma_request_chan(dev, "tx"); in qcom_slim_ngd_init_tx_msgq()
709 if (IS_ERR(ctrl->dma_tx_channel)) { in qcom_slim_ngd_init_tx_msgq()
710 dev_err(dev, "Failed to request TX dma channel"); in qcom_slim_ngd_init_tx_msgq()
711 ret = PTR_ERR(ctrl->dma_tx_channel); in qcom_slim_ngd_init_tx_msgq()
712 ctrl->dma_tx_channel = NULL; in qcom_slim_ngd_init_tx_msgq()
717 ctrl->tx_base = dma_alloc_coherent(dev, size, &ctrl->tx_phys_base, in qcom_slim_ngd_init_tx_msgq()
719 if (!ctrl->tx_base) { in qcom_slim_ngd_init_tx_msgq()
720 dev_err(dev, "dma_alloc_coherent failed\n"); in qcom_slim_ngd_init_tx_msgq()
721 ret = -EINVAL; in qcom_slim_ngd_init_tx_msgq()
725 spin_lock_irqsave(&ctrl->tx_buf_lock, flags); in qcom_slim_ngd_init_tx_msgq()
726 ctrl->tx_tail = 0; in qcom_slim_ngd_init_tx_msgq()
727 ctrl->tx_head = 0; in qcom_slim_ngd_init_tx_msgq()
728 spin_unlock_irqrestore(&ctrl->tx_buf_lock, flags); in qcom_slim_ngd_init_tx_msgq()
732 dma_release_channel(ctrl->dma_tx_channel); in qcom_slim_ngd_init_tx_msgq()
736 static int qcom_slim_ngd_init_dma(struct qcom_slim_ngd_ctrl *ctrl) in qcom_slim_ngd_init_dma() argument
740 ret = qcom_slim_ngd_init_rx_msgq(ctrl); in qcom_slim_ngd_init_dma()
742 dev_err(ctrl->dev, "rx dma init failed\n"); in qcom_slim_ngd_init_dma()
746 ret = qcom_slim_ngd_init_tx_msgq(ctrl); in qcom_slim_ngd_init_dma()
748 dev_err(ctrl->dev, "tx dma init failed\n"); in qcom_slim_ngd_init_dma()
755 struct qcom_slim_ngd_ctrl *ctrl = d; in qcom_slim_ngd_interrupt() local
756 void __iomem *base = ctrl->ngd->base; in qcom_slim_ngd_interrupt()
762 dev_err(ctrl->dev, "Error Interrupt received 0x%x\n", stat); in qcom_slim_ngd_interrupt()
773 struct qcom_slim_ngd_ctrl *ctrl = dev_get_drvdata(sctrl->dev); in qcom_slim_ngd_xfer_msg() local
781 u8 la = txn->la; in qcom_slim_ngd_xfer_msg()
784 if (txn->mt == SLIM_MSG_MT_CORE && in qcom_slim_ngd_xfer_msg()
785 (txn->mc >= SLIM_MSG_MC_BEGIN_RECONFIGURATION && in qcom_slim_ngd_xfer_msg()
786 txn->mc <= SLIM_MSG_MC_RECONFIGURE_NOW)) in qcom_slim_ngd_xfer_msg()
789 if (txn->dt == SLIM_MSG_DEST_ENUMADDR) in qcom_slim_ngd_xfer_msg()
790 return -EPROTONOSUPPORT; in qcom_slim_ngd_xfer_msg()
792 if (txn->msg->num_bytes > SLIM_MSGQ_BUF_LEN || in qcom_slim_ngd_xfer_msg()
793 txn->rl > SLIM_MSGQ_BUF_LEN) { in qcom_slim_ngd_xfer_msg()
794 dev_err(ctrl->dev, "msg exceeds HW limit\n"); in qcom_slim_ngd_xfer_msg()
795 return -EINVAL; in qcom_slim_ngd_xfer_msg()
798 pbuf = qcom_slim_ngd_tx_msg_get(ctrl, txn->rl, &tx_sent); in qcom_slim_ngd_xfer_msg()
800 dev_err(ctrl->dev, "Message buffer unavailable\n"); in qcom_slim_ngd_xfer_msg()
801 return -ENOMEM; in qcom_slim_ngd_xfer_msg()
804 if (txn->mt == SLIM_MSG_MT_CORE && in qcom_slim_ngd_xfer_msg()
805 (txn->mc == SLIM_MSG_MC_CONNECT_SOURCE || in qcom_slim_ngd_xfer_msg()
806 txn->mc == SLIM_MSG_MC_CONNECT_SINK || in qcom_slim_ngd_xfer_msg()
807 txn->mc == SLIM_MSG_MC_DISCONNECT_PORT)) { in qcom_slim_ngd_xfer_msg()
808 txn->mt = SLIM_MSG_MT_DEST_REFERRED_USER; in qcom_slim_ngd_xfer_msg()
809 switch (txn->mc) { in qcom_slim_ngd_xfer_msg()
811 txn->mc = SLIM_USR_MC_CONNECT_SRC; in qcom_slim_ngd_xfer_msg()
814 txn->mc = SLIM_USR_MC_CONNECT_SINK; in qcom_slim_ngd_xfer_msg()
817 txn->mc = SLIM_USR_MC_DISCONNECT_PORT; in qcom_slim_ngd_xfer_msg()
820 return -EINVAL; in qcom_slim_ngd_xfer_msg()
825 wbuf[i++] = txn->la; in qcom_slim_ngd_xfer_msg()
827 wbuf[i++] = txn->msg->wbuf[0]; in qcom_slim_ngd_xfer_msg()
828 if (txn->mc != SLIM_USR_MC_DISCONNECT_PORT) in qcom_slim_ngd_xfer_msg()
829 wbuf[i++] = txn->msg->wbuf[1]; in qcom_slim_ngd_xfer_msg()
831 txn->comp = &done; in qcom_slim_ngd_xfer_msg()
834 dev_err(ctrl->dev, "Unable to allocate TID\n"); in qcom_slim_ngd_xfer_msg()
838 wbuf[i++] = txn->tid; in qcom_slim_ngd_xfer_msg()
840 txn->msg->num_bytes = i; in qcom_slim_ngd_xfer_msg()
841 txn->msg->wbuf = wbuf; in qcom_slim_ngd_xfer_msg()
842 txn->msg->rbuf = rbuf; in qcom_slim_ngd_xfer_msg()
843 txn->rl = txn->msg->num_bytes + 4; in qcom_slim_ngd_xfer_msg()
847 txn->rl--; in qcom_slim_ngd_xfer_msg()
850 if (txn->dt == SLIM_MSG_DEST_LOGICALADDR) { in qcom_slim_ngd_xfer_msg()
851 *pbuf = SLIM_MSG_ASM_FIRST_WORD(txn->rl, txn->mt, txn->mc, 0, in qcom_slim_ngd_xfer_msg()
855 *pbuf = SLIM_MSG_ASM_FIRST_WORD(txn->rl, txn->mt, txn->mc, 1, in qcom_slim_ngd_xfer_msg()
860 if (slim_tid_txn(txn->mt, txn->mc)) in qcom_slim_ngd_xfer_msg()
861 *(puc++) = txn->tid; in qcom_slim_ngd_xfer_msg()
863 if (slim_ec_txn(txn->mt, txn->mc)) { in qcom_slim_ngd_xfer_msg()
864 *(puc++) = (txn->ec & 0xFF); in qcom_slim_ngd_xfer_msg()
865 *(puc++) = (txn->ec >> 8) & 0xFF; in qcom_slim_ngd_xfer_msg()
868 if (txn->msg && txn->msg->wbuf) in qcom_slim_ngd_xfer_msg()
869 memcpy(puc, txn->msg->wbuf, txn->msg->num_bytes); in qcom_slim_ngd_xfer_msg()
871 ret = qcom_slim_ngd_tx_msg_post(ctrl, pbuf, txn->rl); in qcom_slim_ngd_xfer_msg()
877 dev_err(sctrl->dev, "TX timed out:MC:0x%x,mt:0x%x", txn->mc, in qcom_slim_ngd_xfer_msg()
878 txn->mt); in qcom_slim_ngd_xfer_msg()
879 return -ETIMEDOUT; in qcom_slim_ngd_xfer_msg()
885 dev_err(sctrl->dev, "TX timed out:MC:0x%x,mt:0x%x", in qcom_slim_ngd_xfer_msg()
886 txn->mc, txn->mt); in qcom_slim_ngd_xfer_msg()
887 return -ETIMEDOUT; in qcom_slim_ngd_xfer_msg()
894 static int qcom_slim_ngd_xfer_msg_sync(struct slim_controller *ctrl, in qcom_slim_ngd_xfer_msg_sync() argument
900 pm_runtime_get_sync(ctrl->dev); in qcom_slim_ngd_xfer_msg_sync()
902 txn->comp = &done; in qcom_slim_ngd_xfer_msg_sync()
904 ret = qcom_slim_ngd_xfer_msg(ctrl, txn); in qcom_slim_ngd_xfer_msg_sync()
910 dev_err(ctrl->dev, "TX timed out:MC:0x%x,mt:0x%x", txn->mc, in qcom_slim_ngd_xfer_msg_sync()
911 txn->mt); in qcom_slim_ngd_xfer_msg_sync()
912 return -ETIMEDOUT; in qcom_slim_ngd_xfer_msg_sync()
919 struct slim_device *sdev = rt->dev; in qcom_slim_ngd_enable_stream()
920 struct slim_controller *ctrl = sdev->ctrl; in qcom_slim_ngd_enable_stream() local
932 txn.msg->num_bytes = 0; in qcom_slim_ngd_enable_stream()
933 txn.msg->wbuf = wbuf; in qcom_slim_ngd_enable_stream()
934 txn.msg->rbuf = rbuf; in qcom_slim_ngd_enable_stream()
936 for (i = 0; i < rt->num_ports; i++) { in qcom_slim_ngd_enable_stream()
937 struct slim_port *port = &rt->ports[i]; in qcom_slim_ngd_enable_stream()
939 if (txn.msg->num_bytes == 0) { in qcom_slim_ngd_enable_stream()
940 int seg_interval = SLIM_SLOTS_PER_SUPERFRAME/rt->ratem; in qcom_slim_ngd_enable_stream()
943 wbuf[txn.msg->num_bytes++] = sdev->laddr; in qcom_slim_ngd_enable_stream()
944 wbuf[txn.msg->num_bytes] = rt->bps >> 2 | in qcom_slim_ngd_enable_stream()
945 (port->ch.aux_fmt << 6); in qcom_slim_ngd_enable_stream()
950 wbuf[txn.msg->num_bytes] |= BIT(5); in qcom_slim_ngd_enable_stream()
952 txn.msg->num_bytes++; in qcom_slim_ngd_enable_stream()
953 wbuf[txn.msg->num_bytes++] = exp << 4 | rt->prot; in qcom_slim_ngd_enable_stream()
955 if (rt->prot == SLIM_PROTO_ISO) in qcom_slim_ngd_enable_stream()
956 wbuf[txn.msg->num_bytes++] = in qcom_slim_ngd_enable_stream()
957 port->ch.prrate | in qcom_slim_ngd_enable_stream()
960 wbuf[txn.msg->num_bytes++] = port->ch.prrate; in qcom_slim_ngd_enable_stream()
962 ret = slim_alloc_txn_tid(ctrl, &txn); in qcom_slim_ngd_enable_stream()
964 dev_err(&sdev->dev, "Fail to allocate TID\n"); in qcom_slim_ngd_enable_stream()
965 return -ENXIO; in qcom_slim_ngd_enable_stream()
967 wbuf[txn.msg->num_bytes++] = txn.tid; in qcom_slim_ngd_enable_stream()
969 wbuf[txn.msg->num_bytes++] = port->ch.id; in qcom_slim_ngd_enable_stream()
973 txn.rl = txn.msg->num_bytes + 4; in qcom_slim_ngd_enable_stream()
974 ret = qcom_slim_ngd_xfer_msg_sync(ctrl, &txn); in qcom_slim_ngd_enable_stream()
976 slim_free_txn_tid(ctrl, &txn); in qcom_slim_ngd_enable_stream()
977 dev_err(&sdev->dev, "TX timed out:MC:0x%x,mt:0x%x", txn.mc, in qcom_slim_ngd_enable_stream()
983 txn.msg->num_bytes = 2; in qcom_slim_ngd_enable_stream()
984 wbuf[1] = sdev->laddr; in qcom_slim_ngd_enable_stream()
985 txn.rl = txn.msg->num_bytes + 4; in qcom_slim_ngd_enable_stream()
987 ret = slim_alloc_txn_tid(ctrl, &txn); in qcom_slim_ngd_enable_stream()
989 dev_err(ctrl->dev, "Fail to allocate TID\n"); in qcom_slim_ngd_enable_stream()
994 ret = qcom_slim_ngd_xfer_msg_sync(ctrl, &txn); in qcom_slim_ngd_enable_stream()
996 slim_free_txn_tid(ctrl, &txn); in qcom_slim_ngd_enable_stream()
997 dev_err(&sdev->dev, "TX timed out:MC:0x%x,mt:0x%x", txn.mc, in qcom_slim_ngd_enable_stream()
1004 static int qcom_slim_ngd_get_laddr(struct slim_controller *ctrl, in qcom_slim_ngd_get_laddr() argument
1022 txn.msg->num_bytes = 7; in qcom_slim_ngd_get_laddr()
1023 txn.msg->wbuf = wbuf; in qcom_slim_ngd_get_laddr()
1024 txn.msg->rbuf = rbuf; in qcom_slim_ngd_get_laddr()
1026 ret = slim_alloc_txn_tid(ctrl, &txn); in qcom_slim_ngd_get_laddr()
1033 ret = qcom_slim_ngd_xfer_msg_sync(ctrl, &txn); in qcom_slim_ngd_get_laddr()
1035 slim_free_txn_tid(ctrl, &txn); in qcom_slim_ngd_get_laddr()
1040 return -ENXIO; in qcom_slim_ngd_get_laddr()
1047 static int qcom_slim_ngd_exit_dma(struct qcom_slim_ngd_ctrl *ctrl) in qcom_slim_ngd_exit_dma() argument
1049 if (ctrl->dma_rx_channel) { in qcom_slim_ngd_exit_dma()
1050 dmaengine_terminate_sync(ctrl->dma_rx_channel); in qcom_slim_ngd_exit_dma()
1051 dma_release_channel(ctrl->dma_rx_channel); in qcom_slim_ngd_exit_dma()
1054 if (ctrl->dma_tx_channel) { in qcom_slim_ngd_exit_dma()
1055 dmaengine_terminate_sync(ctrl->dma_tx_channel); in qcom_slim_ngd_exit_dma()
1056 dma_release_channel(ctrl->dma_tx_channel); in qcom_slim_ngd_exit_dma()
1059 ctrl->dma_tx_channel = ctrl->dma_rx_channel = NULL; in qcom_slim_ngd_exit_dma()
1064 static void qcom_slim_ngd_setup(struct qcom_slim_ngd_ctrl *ctrl) in qcom_slim_ngd_setup() argument
1066 u32 cfg = readl_relaxed(ctrl->ngd->base); in qcom_slim_ngd_setup()
1068 if (ctrl->state == QCOM_SLIM_NGD_CTRL_DOWN || in qcom_slim_ngd_setup()
1069 ctrl->state == QCOM_SLIM_NGD_CTRL_ASLEEP) in qcom_slim_ngd_setup()
1070 qcom_slim_ngd_init_dma(ctrl); in qcom_slim_ngd_setup()
1080 writel_relaxed(cfg, ctrl->ngd->base); in qcom_slim_ngd_setup()
1083 static int qcom_slim_ngd_power_up(struct qcom_slim_ngd_ctrl *ctrl) in qcom_slim_ngd_power_up() argument
1085 enum qcom_slim_ngd_state cur_state = ctrl->state; in qcom_slim_ngd_power_up()
1086 struct qcom_slim_ngd *ngd = ctrl->ngd; in qcom_slim_ngd_power_up()
1090 if (ctrl->state == QCOM_SLIM_NGD_CTRL_DOWN) { in qcom_slim_ngd_power_up()
1091 timeout = wait_for_completion_timeout(&ctrl->qmi.qmi_comp, HZ); in qcom_slim_ngd_power_up()
1093 return -EREMOTEIO; in qcom_slim_ngd_power_up()
1096 if (ctrl->state == QCOM_SLIM_NGD_CTRL_ASLEEP || in qcom_slim_ngd_power_up()
1097 ctrl->state == QCOM_SLIM_NGD_CTRL_DOWN) { in qcom_slim_ngd_power_up()
1098 ret = qcom_slim_qmi_power_request(ctrl, true); in qcom_slim_ngd_power_up()
1100 dev_err(ctrl->dev, "SLIM QMI power request failed:%d\n", in qcom_slim_ngd_power_up()
1106 ctrl->ver = readl_relaxed(ctrl->base); in qcom_slim_ngd_power_up()
1108 ctrl->ver >>= 16; in qcom_slim_ngd_power_up()
1110 laddr = readl_relaxed(ngd->base + NGD_STATUS); in qcom_slim_ngd_power_up()
1117 dev_info(ctrl->dev, "Subsys restart: ADSP active framer\n"); in qcom_slim_ngd_power_up()
1120 qcom_slim_ngd_setup(ctrl); in qcom_slim_ngd_power_up()
1124 writel_relaxed(DEF_NGD_INT_MASK, ngd->base + NGD_INT_EN); in qcom_slim_ngd_power_up()
1125 rx_msgq = readl_relaxed(ngd->base + NGD_RX_MSGQ_CFG); in qcom_slim_ngd_power_up()
1128 ngd->base + NGD_RX_MSGQ_CFG); in qcom_slim_ngd_power_up()
1129 qcom_slim_ngd_setup(ctrl); in qcom_slim_ngd_power_up()
1131 timeout = wait_for_completion_timeout(&ctrl->reconf, HZ); in qcom_slim_ngd_power_up()
1133 dev_err(ctrl->dev, "capability exchange timed-out\n"); in qcom_slim_ngd_power_up()
1134 return -ETIMEDOUT; in qcom_slim_ngd_power_up()
1140 static void qcom_slim_ngd_notify_slaves(struct qcom_slim_ngd_ctrl *ctrl) in qcom_slim_ngd_notify_slaves() argument
1145 for_each_child_of_node(ctrl->ngd->pdev->dev.of_node, node) { in qcom_slim_ngd_notify_slaves()
1146 sbdev = of_slim_get_device(&ctrl->ctrl, node); in qcom_slim_ngd_notify_slaves()
1151 dev_err(ctrl->dev, "Failed to get logical address\n"); in qcom_slim_ngd_notify_slaves()
1157 struct qcom_slim_ngd_ctrl *ctrl; in qcom_slim_ngd_master_worker() local
1164 ctrl = container_of(work, struct qcom_slim_ngd_ctrl, m_work); in qcom_slim_ngd_master_worker()
1175 txn.msg->wbuf = wbuf; in qcom_slim_ngd_master_worker()
1176 txn.msg->num_bytes = 4; in qcom_slim_ngd_master_worker()
1179 dev_info(ctrl->dev, "SLIM SAT: Rcvd master capability\n"); in qcom_slim_ngd_master_worker()
1182 ret = qcom_slim_ngd_xfer_msg(&ctrl->ctrl, &txn); in qcom_slim_ngd_master_worker()
1184 if (ctrl->state >= QCOM_SLIM_NGD_CTRL_ASLEEP) in qcom_slim_ngd_master_worker()
1185 complete(&ctrl->reconf); in qcom_slim_ngd_master_worker()
1187 dev_err(ctrl->dev, "unexpected state:%d\n", in qcom_slim_ngd_master_worker()
1188 ctrl->state); in qcom_slim_ngd_master_worker()
1190 if (ctrl->state == QCOM_SLIM_NGD_CTRL_DOWN) in qcom_slim_ngd_master_worker()
1191 qcom_slim_ngd_notify_slaves(ctrl); in qcom_slim_ngd_master_worker()
1193 } else if (ret == -EIO) { in qcom_slim_ngd_master_worker()
1194 dev_err(ctrl->dev, "capability message NACKed, retrying\n"); in qcom_slim_ngd_master_worker()
1201 dev_err(ctrl->dev, "SLIM: capability TX failed:%d\n", ret); in qcom_slim_ngd_master_worker()
1205 static int qcom_slim_ngd_runtime_resume(struct device *dev) in qcom_slim_ngd_runtime_resume() argument
1207 struct qcom_slim_ngd_ctrl *ctrl = dev_get_drvdata(dev); in qcom_slim_ngd_runtime_resume() local
1210 if (!ctrl->qmi.handle) in qcom_slim_ngd_runtime_resume()
1213 if (ctrl->state >= QCOM_SLIM_NGD_CTRL_ASLEEP) in qcom_slim_ngd_runtime_resume()
1214 ret = qcom_slim_ngd_power_up(ctrl); in qcom_slim_ngd_runtime_resume()
1217 if (ctrl->state != QCOM_SLIM_NGD_CTRL_DOWN) in qcom_slim_ngd_runtime_resume()
1218 ctrl->state = QCOM_SLIM_NGD_CTRL_ASLEEP; in qcom_slim_ngd_runtime_resume()
1220 dev_err(ctrl->dev, "HW wakeup attempt during SSR\n"); in qcom_slim_ngd_runtime_resume()
1222 ctrl->state = QCOM_SLIM_NGD_CTRL_AWAKE; in qcom_slim_ngd_runtime_resume()
1228 static int qcom_slim_ngd_enable(struct qcom_slim_ngd_ctrl *ctrl, bool enable) in qcom_slim_ngd_enable() argument
1231 int ret = qcom_slim_qmi_init(ctrl, false); in qcom_slim_ngd_enable()
1234 dev_err(ctrl->dev, "qmi init fail, ret:%d, state:%d\n", in qcom_slim_ngd_enable()
1235 ret, ctrl->state); in qcom_slim_ngd_enable()
1239 complete(&ctrl->qmi.qmi_comp); in qcom_slim_ngd_enable()
1240 if (!pm_runtime_enabled(ctrl->dev) || in qcom_slim_ngd_enable()
1241 !pm_runtime_suspended(ctrl->dev)) in qcom_slim_ngd_enable()
1242 qcom_slim_ngd_runtime_resume(ctrl->dev); in qcom_slim_ngd_enable()
1244 pm_runtime_resume(ctrl->dev); in qcom_slim_ngd_enable()
1245 pm_runtime_mark_last_busy(ctrl->dev); in qcom_slim_ngd_enable()
1246 pm_runtime_put(ctrl->dev); in qcom_slim_ngd_enable()
1248 ret = slim_register_controller(&ctrl->ctrl); in qcom_slim_ngd_enable()
1250 dev_err(ctrl->dev, "error adding slim controller\n"); in qcom_slim_ngd_enable()
1254 dev_info(ctrl->dev, "SLIM controller Registered\n"); in qcom_slim_ngd_enable()
1256 qcom_slim_qmi_exit(ctrl); in qcom_slim_ngd_enable()
1257 slim_unregister_controller(&ctrl->ctrl); in qcom_slim_ngd_enable()
1268 struct qcom_slim_ngd_ctrl *ctrl = in qcom_slim_ngd_qmi_new_server() local
1271 qmi->svc_info.sq_family = AF_QIPCRTR; in qcom_slim_ngd_qmi_new_server()
1272 qmi->svc_info.sq_node = service->node; in qcom_slim_ngd_qmi_new_server()
1273 qmi->svc_info.sq_port = service->port; in qcom_slim_ngd_qmi_new_server()
1275 qcom_slim_ngd_enable(ctrl, true); in qcom_slim_ngd_qmi_new_server()
1285 struct qcom_slim_ngd_ctrl *ctrl = in qcom_slim_ngd_qmi_del_server() local
1288 qmi->svc_info.sq_node = 0; in qcom_slim_ngd_qmi_del_server()
1289 qmi->svc_info.sq_port = 0; in qcom_slim_ngd_qmi_del_server()
1291 qcom_slim_ngd_enable(ctrl, false); in qcom_slim_ngd_qmi_del_server()
1299 static int qcom_slim_ngd_qmi_svc_event_init(struct qcom_slim_ngd_ctrl *ctrl) in qcom_slim_ngd_qmi_svc_event_init() argument
1301 struct qcom_slim_ngd_qmi *qmi = &ctrl->qmi; in qcom_slim_ngd_qmi_svc_event_init()
1304 ret = qmi_handle_init(&qmi->svc_event_hdl, 0, in qcom_slim_ngd_qmi_svc_event_init()
1307 dev_err(ctrl->dev, "qmi_handle_init failed: %d\n", ret); in qcom_slim_ngd_qmi_svc_event_init()
1311 ret = qmi_add_lookup(&qmi->svc_event_hdl, SLIMBUS_QMI_SVC_ID, in qcom_slim_ngd_qmi_svc_event_init()
1314 dev_err(ctrl->dev, "qmi_add_lookup failed: %d\n", ret); in qcom_slim_ngd_qmi_svc_event_init()
1315 qmi_handle_release(&qmi->svc_event_hdl); in qcom_slim_ngd_qmi_svc_event_init()
1322 qmi_handle_release(&qmi->svc_event_hdl); in qcom_slim_ngd_qmi_svc_event_deinit()
1326 #define QCOM_SLIM_NGD_DRV_NAME "qcom,slim-ngd"
1330 .compatible = "qcom,slim-ngd-v1.5.0",
1333 .compatible = "qcom,slim-ngd-v2.1.0",
1342 struct qcom_slim_ngd_ctrl *ctrl) in of_qcom_slim_ngd_register() argument
1350 match = of_match_node(qcom_slim_ngd_dt_match, parent->of_node); in of_qcom_slim_ngd_register()
1351 data = match->data; in of_qcom_slim_ngd_register()
1352 for_each_available_child_of_node(parent->of_node, node) { in of_qcom_slim_ngd_register()
1359 return -ENOMEM; in of_qcom_slim_ngd_register()
1362 ngd->pdev = platform_device_alloc(QCOM_SLIM_NGD_DRV_NAME, id); in of_qcom_slim_ngd_register()
1363 if (!ngd->pdev) { in of_qcom_slim_ngd_register()
1366 return -ENOMEM; in of_qcom_slim_ngd_register()
1368 ngd->id = id; in of_qcom_slim_ngd_register()
1369 ngd->pdev->dev.parent = parent; in of_qcom_slim_ngd_register()
1370 ngd->pdev->driver_override = QCOM_SLIM_NGD_DRV_NAME; in of_qcom_slim_ngd_register()
1371 ngd->pdev->dev.of_node = node; in of_qcom_slim_ngd_register()
1372 ctrl->ngd = ngd; in of_qcom_slim_ngd_register()
1374 platform_device_add(ngd->pdev); in of_qcom_slim_ngd_register()
1375 ngd->base = ctrl->base + ngd->id * data->offset + in of_qcom_slim_ngd_register()
1376 (ngd->id - 1) * data->size; in of_qcom_slim_ngd_register()
1381 return -ENODEV; in of_qcom_slim_ngd_register()
1386 struct device *dev = &pdev->dev; in qcom_slim_ngd_probe() local
1387 struct qcom_slim_ngd_ctrl *ctrl = dev_get_drvdata(dev->parent); in qcom_slim_ngd_probe() local
1390 ctrl->ctrl.dev = dev; in qcom_slim_ngd_probe()
1392 platform_set_drvdata(pdev, ctrl); in qcom_slim_ngd_probe()
1393 pm_runtime_use_autosuspend(dev); in qcom_slim_ngd_probe()
1394 pm_runtime_set_autosuspend_delay(dev, QCOM_SLIM_NGD_AUTOSUSPEND); in qcom_slim_ngd_probe()
1395 pm_runtime_set_suspended(dev); in qcom_slim_ngd_probe()
1396 pm_runtime_enable(dev); in qcom_slim_ngd_probe()
1397 pm_runtime_get_noresume(dev); in qcom_slim_ngd_probe()
1398 ret = qcom_slim_ngd_qmi_svc_event_init(ctrl); in qcom_slim_ngd_probe()
1400 dev_err(&pdev->dev, "QMI service registration failed:%d", ret); in qcom_slim_ngd_probe()
1404 INIT_WORK(&ctrl->m_work, qcom_slim_ngd_master_worker); in qcom_slim_ngd_probe()
1405 ctrl->mwq = create_singlethread_workqueue("ngd_master"); in qcom_slim_ngd_probe()
1406 if (!ctrl->mwq) { in qcom_slim_ngd_probe()
1407 dev_err(&pdev->dev, "Failed to start master worker\n"); in qcom_slim_ngd_probe()
1408 ret = -ENOMEM; in qcom_slim_ngd_probe()
1414 qcom_slim_ngd_qmi_svc_event_deinit(&ctrl->qmi); in qcom_slim_ngd_probe()
1415 if (ctrl->mwq) in qcom_slim_ngd_probe()
1416 destroy_workqueue(ctrl->mwq); in qcom_slim_ngd_probe()
1423 struct device *dev = &pdev->dev; in qcom_slim_ngd_ctrl_probe() local
1424 struct qcom_slim_ngd_ctrl *ctrl; in qcom_slim_ngd_ctrl_probe() local
1428 ctrl = devm_kzalloc(dev, sizeof(*ctrl), GFP_KERNEL); in qcom_slim_ngd_ctrl_probe()
1429 if (!ctrl) in qcom_slim_ngd_ctrl_probe()
1430 return -ENOMEM; in qcom_slim_ngd_ctrl_probe()
1432 dev_set_drvdata(dev, ctrl); in qcom_slim_ngd_ctrl_probe()
1435 ctrl->base = devm_ioremap_resource(dev, res); in qcom_slim_ngd_ctrl_probe()
1436 if (IS_ERR(ctrl->base)) in qcom_slim_ngd_ctrl_probe()
1437 return PTR_ERR(ctrl->base); in qcom_slim_ngd_ctrl_probe()
1441 dev_err(&pdev->dev, "no slimbus IRQ resource\n"); in qcom_slim_ngd_ctrl_probe()
1442 return -ENODEV; in qcom_slim_ngd_ctrl_probe()
1445 ret = devm_request_irq(dev, res->start, qcom_slim_ngd_interrupt, in qcom_slim_ngd_ctrl_probe()
1446 IRQF_TRIGGER_HIGH, "slim-ngd", ctrl); in qcom_slim_ngd_ctrl_probe()
1448 dev_err(&pdev->dev, "request IRQ failed\n"); in qcom_slim_ngd_ctrl_probe()
1452 ctrl->dev = dev; in qcom_slim_ngd_ctrl_probe()
1453 ctrl->framer.rootfreq = SLIM_ROOT_FREQ >> 3; in qcom_slim_ngd_ctrl_probe()
1454 ctrl->framer.superfreq = in qcom_slim_ngd_ctrl_probe()
1455 ctrl->framer.rootfreq / SLIM_CL_PER_SUPERFRAME_DIV8; in qcom_slim_ngd_ctrl_probe()
1457 ctrl->ctrl.a_framer = &ctrl->framer; in qcom_slim_ngd_ctrl_probe()
1458 ctrl->ctrl.clkgear = SLIM_MAX_CLK_GEAR; in qcom_slim_ngd_ctrl_probe()
1459 ctrl->ctrl.get_laddr = qcom_slim_ngd_get_laddr; in qcom_slim_ngd_ctrl_probe()
1460 ctrl->ctrl.enable_stream = qcom_slim_ngd_enable_stream; in qcom_slim_ngd_ctrl_probe()
1461 ctrl->ctrl.xfer_msg = qcom_slim_ngd_xfer_msg; in qcom_slim_ngd_ctrl_probe()
1462 ctrl->ctrl.wakeup = NULL; in qcom_slim_ngd_ctrl_probe()
1463 ctrl->state = QCOM_SLIM_NGD_CTRL_DOWN; in qcom_slim_ngd_ctrl_probe()
1465 spin_lock_init(&ctrl->tx_buf_lock); in qcom_slim_ngd_ctrl_probe()
1466 init_completion(&ctrl->reconf); in qcom_slim_ngd_ctrl_probe()
1467 init_completion(&ctrl->qmi.qmi_comp); in qcom_slim_ngd_ctrl_probe()
1470 return of_qcom_slim_ngd_register(dev, ctrl); in qcom_slim_ngd_ctrl_probe()
1482 struct qcom_slim_ngd_ctrl *ctrl = platform_get_drvdata(pdev); in qcom_slim_ngd_remove() local
1484 pm_runtime_disable(&pdev->dev); in qcom_slim_ngd_remove()
1485 qcom_slim_ngd_enable(ctrl, false); in qcom_slim_ngd_remove()
1486 qcom_slim_ngd_exit_dma(ctrl); in qcom_slim_ngd_remove()
1487 qcom_slim_ngd_qmi_svc_event_deinit(&ctrl->qmi); in qcom_slim_ngd_remove()
1488 if (ctrl->mwq) in qcom_slim_ngd_remove()
1489 destroy_workqueue(ctrl->mwq); in qcom_slim_ngd_remove()
1491 kfree(ctrl->ngd); in qcom_slim_ngd_remove()
1492 ctrl->ngd = NULL; in qcom_slim_ngd_remove()
1496 static int __maybe_unused qcom_slim_ngd_runtime_idle(struct device *dev) in qcom_slim_ngd_runtime_idle() argument
1498 struct qcom_slim_ngd_ctrl *ctrl = dev_get_drvdata(dev); in qcom_slim_ngd_runtime_idle() local
1500 if (ctrl->state == QCOM_SLIM_NGD_CTRL_AWAKE) in qcom_slim_ngd_runtime_idle()
1501 ctrl->state = QCOM_SLIM_NGD_CTRL_IDLE; in qcom_slim_ngd_runtime_idle()
1502 pm_request_autosuspend(dev); in qcom_slim_ngd_runtime_idle()
1503 return -EAGAIN; in qcom_slim_ngd_runtime_idle()
1506 static int __maybe_unused qcom_slim_ngd_runtime_suspend(struct device *dev) in qcom_slim_ngd_runtime_suspend() argument
1508 struct qcom_slim_ngd_ctrl *ctrl = dev_get_drvdata(dev); in qcom_slim_ngd_runtime_suspend() local
1511 qcom_slim_ngd_exit_dma(ctrl); in qcom_slim_ngd_runtime_suspend()
1512 if (!ctrl->qmi.handle) in qcom_slim_ngd_runtime_suspend()
1515 ret = qcom_slim_qmi_power_request(ctrl, false); in qcom_slim_ngd_runtime_suspend()
1516 if (ret && ret != -EBUSY) in qcom_slim_ngd_runtime_suspend()
1517 dev_info(ctrl->dev, "slim resource not idle:%d\n", ret); in qcom_slim_ngd_runtime_suspend()
1518 if (!ret || ret == -ETIMEDOUT) in qcom_slim_ngd_runtime_suspend()
1519 ctrl->state = QCOM_SLIM_NGD_CTRL_ASLEEP; in qcom_slim_ngd_runtime_suspend()
1538 .name = "qcom,slim-ngd-ctrl",