Lines Matching refs:ctrl
136 struct qcom_slim_ngd_ctrl *ctrl;
151 struct slim_controller ctrl;
348 static int qcom_slim_qmi_send_select_inst_req(struct qcom_slim_ngd_ctrl *ctrl,
355 rc = qmi_txn_init(ctrl->qmi.handle, &txn,
358 dev_err(ctrl->dev, "QMI TXN init fail: %d\n", rc);
362 rc = qmi_send_request(ctrl->qmi.handle, NULL, &txn,
367 dev_err(ctrl->dev, "QMI send req fail %d\n", rc);
374 dev_err(ctrl->dev, "QMI TXN wait fail: %d\n", rc);
379 dev_err(ctrl->dev, "QMI request failed 0x%x\n",
401 static int qcom_slim_qmi_send_power_request(struct qcom_slim_ngd_ctrl *ctrl,
408 rc = qmi_txn_init(ctrl->qmi.handle, &txn,
411 rc = qmi_send_request(ctrl->qmi.handle, NULL, &txn,
416 dev_err(ctrl->dev, "QMI send req fail %d\n", rc);
423 dev_err(ctrl->dev, "QMI TXN wait fail: %d\n", rc);
429 dev_err(ctrl->dev, "QMI request failed 0x%x\n",
448 static int qcom_slim_qmi_init(struct qcom_slim_ngd_ctrl *ctrl,
455 handle = devm_kzalloc(ctrl->dev, sizeof(*handle), GFP_KERNEL);
462 dev_err(ctrl->dev, "QMI client init failed: %d\n", rc);
467 (struct sockaddr *)&ctrl->qmi.svc_info,
468 sizeof(ctrl->qmi.svc_info), 0);
470 dev_err(ctrl->dev, "Remote Service connect failed: %d\n", rc);
475 req.instance = (ctrl->ngd->id >> 1);
484 ctrl->qmi.handle = handle;
486 rc = qcom_slim_qmi_send_select_inst_req(ctrl, &req);
488 dev_err(ctrl->dev, "failed to select h/w instance\n");
495 ctrl->qmi.handle = NULL;
499 devm_kfree(ctrl->dev, handle);
503 static void qcom_slim_qmi_exit(struct qcom_slim_ngd_ctrl *ctrl)
505 if (!ctrl->qmi.handle)
508 qmi_handle_release(ctrl->qmi.handle);
509 devm_kfree(ctrl->dev, ctrl->qmi.handle);
510 ctrl->qmi.handle = NULL;
513 static int qcom_slim_qmi_power_request(struct qcom_slim_ngd_ctrl *ctrl,
525 return qcom_slim_qmi_send_power_request(ctrl, &req);
528 static u32 *qcom_slim_ngd_tx_msg_get(struct qcom_slim_ngd_ctrl *ctrl, int len,
534 spin_lock_irqsave(&ctrl->tx_buf_lock, flags);
536 if ((ctrl->tx_tail + 1) % QCOM_SLIM_NGD_DESC_NUM == ctrl->tx_head) {
537 spin_unlock_irqrestore(&ctrl->tx_buf_lock, flags);
540 desc = &ctrl->txdesc[ctrl->tx_tail];
541 desc->base = ctrl->tx_base + ctrl->tx_tail * SLIM_MSGQ_BUF_LEN;
543 ctrl->tx_tail = (ctrl->tx_tail + 1) % QCOM_SLIM_NGD_DESC_NUM;
545 spin_unlock_irqrestore(&ctrl->tx_buf_lock, flags);
553 struct qcom_slim_ngd_ctrl *ctrl = desc->ctrl;
556 spin_lock_irqsave(&ctrl->tx_buf_lock, flags);
563 ctrl->tx_head = (ctrl->tx_head + 1) % QCOM_SLIM_NGD_DESC_NUM;
564 spin_unlock_irqrestore(&ctrl->tx_buf_lock, flags);
567 static int qcom_slim_ngd_tx_msg_post(struct qcom_slim_ngd_ctrl *ctrl,
574 spin_lock_irqsave(&ctrl->tx_buf_lock, flags);
575 offset = buf - ctrl->tx_base;
578 desc = &ctrl->txdesc[index];
579 desc->phys = ctrl->tx_phys_base + offset;
580 desc->base = ctrl->tx_base + offset;
581 desc->ctrl = ctrl;
584 desc->desc = dmaengine_prep_slave_single(ctrl->dma_tx_channel,
589 dev_err(ctrl->dev, "unable to prepare channel\n");
590 spin_unlock_irqrestore(&ctrl->tx_buf_lock, flags);
597 dma_async_issue_pending(ctrl->dma_tx_channel);
598 spin_unlock_irqrestore(&ctrl->tx_buf_lock, flags);
603 static void qcom_slim_ngd_rx(struct qcom_slim_ngd_ctrl *ctrl, u8 *buf)
613 queue_work(ctrl->mwq, &ctrl->m_work);
620 slim_msg_response(&ctrl->ctrl, &buf[4], buf[3], len - 4);
621 pm_runtime_mark_last_busy(ctrl->ctrl.dev);
628 struct qcom_slim_ngd_ctrl *ctrl = desc->ctrl;
630 qcom_slim_ngd_rx(ctrl, (u8 *)desc->base);
632 desc->desc = dmaengine_prep_slave_single(ctrl->dma_rx_channel,
637 dev_err(ctrl->dev, "Unable to prepare rx channel\n");
644 dma_async_issue_pending(ctrl->dma_rx_channel);
647 static int qcom_slim_ngd_post_rx_msgq(struct qcom_slim_ngd_ctrl *ctrl)
653 desc = &ctrl->rx_desc[i];
654 desc->phys = ctrl->rx_phys_base + i * SLIM_MSGQ_BUF_LEN;
655 desc->ctrl = ctrl;
656 desc->base = ctrl->rx_base + i * SLIM_MSGQ_BUF_LEN;
657 desc->desc = dmaengine_prep_slave_single(ctrl->dma_rx_channel,
662 dev_err(ctrl->dev, "Unable to prepare rx channel\n");
670 dma_async_issue_pending(ctrl->dma_rx_channel);
675 static int qcom_slim_ngd_init_rx_msgq(struct qcom_slim_ngd_ctrl *ctrl)
677 struct device *dev = ctrl->dev;
680 ctrl->dma_rx_channel = dma_request_chan(dev, "rx");
681 if (IS_ERR(ctrl->dma_rx_channel)) {
683 ret = PTR_ERR(ctrl->dma_rx_channel);
684 ctrl->dma_rx_channel = NULL;
689 ctrl->rx_base = dma_alloc_coherent(dev, size, &ctrl->rx_phys_base,
691 if (!ctrl->rx_base) {
696 ret = qcom_slim_ngd_post_rx_msgq(ctrl);
705 dma_free_coherent(dev, size, ctrl->rx_base, ctrl->rx_phys_base);
707 dma_release_channel(ctrl->dma_rx_channel);
711 static int qcom_slim_ngd_init_tx_msgq(struct qcom_slim_ngd_ctrl *ctrl)
713 struct device *dev = ctrl->dev;
718 ctrl->dma_tx_channel = dma_request_chan(dev, "tx");
719 if (IS_ERR(ctrl->dma_tx_channel)) {
721 ret = PTR_ERR(ctrl->dma_tx_channel);
722 ctrl->dma_tx_channel = NULL;
727 ctrl->tx_base = dma_alloc_coherent(dev, size, &ctrl->tx_phys_base,
729 if (!ctrl->tx_base) {
734 spin_lock_irqsave(&ctrl->tx_buf_lock, flags);
735 ctrl->tx_tail = 0;
736 ctrl->tx_head = 0;
737 spin_unlock_irqrestore(&ctrl->tx_buf_lock, flags);
741 dma_release_channel(ctrl->dma_tx_channel);
745 static int qcom_slim_ngd_init_dma(struct qcom_slim_ngd_ctrl *ctrl)
749 ret = qcom_slim_ngd_init_rx_msgq(ctrl);
751 dev_err(ctrl->dev, "rx dma init failed\n");
755 ret = qcom_slim_ngd_init_tx_msgq(ctrl);
757 dev_err(ctrl->dev, "tx dma init failed\n");
764 struct qcom_slim_ngd_ctrl *ctrl = d;
765 void __iomem *base = ctrl->ngd->base;
768 if (pm_runtime_suspended(ctrl->ctrl.dev)) {
769 dev_warn_once(ctrl->dev, "Interrupt received while suspended\n");
778 dev_err(ctrl->dev, "Error Interrupt received 0x%x\n", stat);
789 struct qcom_slim_ngd_ctrl *ctrl = dev_get_drvdata(sctrl->dev);
810 dev_err(ctrl->dev, "msg exceeds HW limit\n");
814 pbuf = qcom_slim_ngd_tx_msg_get(ctrl, txn->rl, &tx_sent);
816 dev_err(ctrl->dev, "Message buffer unavailable\n");
850 dev_err(ctrl->dev, "Unable to allocate TID\n");
887 mutex_lock(&ctrl->tx_lock);
888 ret = qcom_slim_ngd_tx_msg_post(ctrl, pbuf, txn->rl);
890 mutex_unlock(&ctrl->tx_lock);
898 mutex_unlock(&ctrl->tx_lock);
907 mutex_unlock(&ctrl->tx_lock);
912 mutex_unlock(&ctrl->tx_lock);
916 static int qcom_slim_ngd_xfer_msg_sync(struct slim_controller *ctrl,
922 ret = pm_runtime_get_sync(ctrl->dev);
928 ret = qcom_slim_ngd_xfer_msg(ctrl, txn);
934 dev_err(ctrl->dev, "TX timed out:MC:0x%x,mt:0x%x", txn->mc,
942 pm_runtime_put(ctrl->dev);
949 struct slim_controller *ctrl = rt->dev->ctrl;
952 if (rt->ratem * ctrl->a_framer->superfreq < rt->rate)
998 struct slim_controller *ctrl = sdev->ctrl;
1046 ret = slim_alloc_txn_tid(ctrl, &txn);
1058 ret = qcom_slim_ngd_xfer_msg_sync(ctrl, &txn);
1060 slim_free_txn_tid(ctrl, &txn);
1071 ret = slim_alloc_txn_tid(ctrl, &txn);
1073 dev_err(ctrl->dev, "Fail to allocate TID\n");
1078 ret = qcom_slim_ngd_xfer_msg_sync(ctrl, &txn);
1080 slim_free_txn_tid(ctrl, &txn);
1088 static int qcom_slim_ngd_get_laddr(struct slim_controller *ctrl,
1110 ret = slim_alloc_txn_tid(ctrl, &txn);
1117 ret = qcom_slim_ngd_xfer_msg_sync(ctrl, &txn);
1119 slim_free_txn_tid(ctrl, &txn);
1131 static int qcom_slim_ngd_exit_dma(struct qcom_slim_ngd_ctrl *ctrl)
1133 if (ctrl->dma_rx_channel) {
1134 dmaengine_terminate_sync(ctrl->dma_rx_channel);
1135 dma_release_channel(ctrl->dma_rx_channel);
1138 if (ctrl->dma_tx_channel) {
1139 dmaengine_terminate_sync(ctrl->dma_tx_channel);
1140 dma_release_channel(ctrl->dma_tx_channel);
1143 ctrl->dma_tx_channel = ctrl->dma_rx_channel = NULL;
1148 static void qcom_slim_ngd_setup(struct qcom_slim_ngd_ctrl *ctrl)
1150 u32 cfg = readl_relaxed(ctrl->ngd->base);
1152 if (ctrl->state == QCOM_SLIM_NGD_CTRL_DOWN ||
1153 ctrl->state == QCOM_SLIM_NGD_CTRL_ASLEEP)
1154 qcom_slim_ngd_init_dma(ctrl);
1164 writel_relaxed(cfg, ctrl->ngd->base);
1167 static int qcom_slim_ngd_power_up(struct qcom_slim_ngd_ctrl *ctrl)
1169 enum qcom_slim_ngd_state cur_state = ctrl->state;
1170 struct qcom_slim_ngd *ngd = ctrl->ngd;
1174 if (ctrl->state == QCOM_SLIM_NGD_CTRL_DOWN) {
1175 timeout = wait_for_completion_timeout(&ctrl->qmi.qmi_comp, HZ);
1180 if (ctrl->state == QCOM_SLIM_NGD_CTRL_ASLEEP ||
1181 ctrl->state == QCOM_SLIM_NGD_CTRL_DOWN) {
1182 ret = qcom_slim_qmi_power_request(ctrl, true);
1184 dev_err(ctrl->dev, "SLIM QMI power request failed:%d\n",
1190 ctrl->ver = readl_relaxed(ctrl->base);
1192 ctrl->ver >>= 16;
1201 dev_info(ctrl->dev, "Subsys restart: ADSP active framer\n");
1204 qcom_slim_ngd_setup(ctrl);
1212 reinit_completion(&ctrl->reconf);
1219 qcom_slim_ngd_setup(ctrl);
1221 timeout = wait_for_completion_timeout(&ctrl->reconf, HZ);
1223 dev_err(ctrl->dev, "capability exchange timed-out\n");
1230 static void qcom_slim_ngd_notify_slaves(struct qcom_slim_ngd_ctrl *ctrl)
1235 for_each_child_of_node(ctrl->ngd->pdev->dev.of_node, node) {
1236 sbdev = of_slim_get_device(&ctrl->ctrl, node);
1241 dev_err(ctrl->dev, "Failed to get logical address\n");
1247 struct qcom_slim_ngd_ctrl *ctrl;
1254 ctrl = container_of(work, struct qcom_slim_ngd_ctrl, m_work);
1269 dev_info(ctrl->dev, "SLIM SAT: Rcvd master capability\n");
1272 ret = qcom_slim_ngd_xfer_msg(&ctrl->ctrl, &txn);
1274 if (ctrl->state >= QCOM_SLIM_NGD_CTRL_ASLEEP)
1275 complete(&ctrl->reconf);
1277 dev_err(ctrl->dev, "unexpected state:%d\n",
1278 ctrl->state);
1280 if (ctrl->state == QCOM_SLIM_NGD_CTRL_DOWN)
1281 qcom_slim_ngd_notify_slaves(ctrl);
1284 dev_err(ctrl->dev, "capability message NACKed, retrying\n");
1291 dev_err(ctrl->dev, "SLIM: capability TX failed:%d\n", ret);
1304 struct qcom_slim_ngd_ctrl *ctrl = dev_get_drvdata(dev);
1307 if (!ctrl->qmi.handle)
1310 if (ctrl->state >= QCOM_SLIM_NGD_CTRL_ASLEEP)
1311 ret = qcom_slim_ngd_power_up(ctrl);
1314 if (ctrl->state != QCOM_SLIM_NGD_CTRL_DOWN)
1315 ctrl->state = QCOM_SLIM_NGD_CTRL_ASLEEP;
1317 dev_err(ctrl->dev, "HW wakeup attempt during SSR\n");
1319 ctrl->state = QCOM_SLIM_NGD_CTRL_AWAKE;
1325 static int qcom_slim_ngd_enable(struct qcom_slim_ngd_ctrl *ctrl, bool enable)
1328 int ret = qcom_slim_qmi_init(ctrl, false);
1331 dev_err(ctrl->dev, "qmi init fail, ret:%d, state:%d\n",
1332 ret, ctrl->state);
1336 complete(&ctrl->qmi.qmi_comp);
1337 if (!pm_runtime_enabled(ctrl->ctrl.dev) ||
1338 !pm_runtime_suspended(ctrl->ctrl.dev))
1339 qcom_slim_ngd_runtime_resume(ctrl->ctrl.dev);
1341 pm_runtime_resume(ctrl->ctrl.dev);
1343 pm_runtime_mark_last_busy(ctrl->ctrl.dev);
1344 pm_runtime_put(ctrl->ctrl.dev);
1346 ret = slim_register_controller(&ctrl->ctrl);
1348 dev_err(ctrl->dev, "error adding slim controller\n");
1352 dev_info(ctrl->dev, "SLIM controller Registered\n");
1354 qcom_slim_qmi_exit(ctrl);
1355 slim_unregister_controller(&ctrl->ctrl);
1366 struct qcom_slim_ngd_ctrl *ctrl =
1373 complete(&ctrl->qmi_up);
1383 struct qcom_slim_ngd_ctrl *ctrl =
1386 reinit_completion(&ctrl->qmi_up);
1396 static int qcom_slim_ngd_qmi_svc_event_init(struct qcom_slim_ngd_ctrl *ctrl)
1398 struct qcom_slim_ngd_qmi *qmi = &ctrl->qmi;
1404 dev_err(ctrl->dev, "qmi_handle_init failed: %d\n", ret);
1411 dev_err(ctrl->dev, "qmi_add_lookup failed: %d\n", ret);
1438 static void qcom_slim_ngd_down(struct qcom_slim_ngd_ctrl *ctrl)
1440 mutex_lock(&ctrl->ssr_lock);
1441 device_for_each_child(ctrl->ctrl.dev, NULL,
1443 qcom_slim_ngd_enable(ctrl, false);
1444 mutex_unlock(&ctrl->ssr_lock);
1449 struct qcom_slim_ngd_ctrl *ctrl;
1451 ctrl = container_of(work, struct qcom_slim_ngd_ctrl, ngd_up_work);
1454 wait_for_completion_interruptible(&ctrl->qmi_up);
1456 mutex_lock(&ctrl->ssr_lock);
1457 qcom_slim_ngd_enable(ctrl, true);
1458 mutex_unlock(&ctrl->ssr_lock);
1461 static int qcom_slim_ngd_ssr_pdr_notify(struct qcom_slim_ngd_ctrl *ctrl,
1468 mutex_lock(&ctrl->tx_lock);
1469 if (ctrl->state != QCOM_SLIM_NGD_CTRL_DOWN) {
1470 pm_runtime_get_noresume(ctrl->ctrl.dev);
1471 ctrl->state = QCOM_SLIM_NGD_CTRL_DOWN;
1472 qcom_slim_ngd_down(ctrl);
1473 qcom_slim_ngd_exit_dma(ctrl);
1475 mutex_unlock(&ctrl->tx_lock);
1479 schedule_work(&ctrl->ngd_up_work);
1492 struct qcom_slim_ngd_ctrl *ctrl = container_of(nb,
1495 return qcom_slim_ngd_ssr_pdr_notify(ctrl, action);
1500 struct qcom_slim_ngd_ctrl *ctrl = (struct qcom_slim_ngd_ctrl *)priv;
1502 qcom_slim_ngd_ssr_pdr_notify(ctrl, state);
1505 struct qcom_slim_ngd_ctrl *ctrl)
1546 ctrl->ngd = ngd;
1555 ngd->base = ctrl->base + ngd->id * data->offset +
1567 struct qcom_slim_ngd_ctrl *ctrl = dev_get_drvdata(dev->parent);
1570 ctrl->ctrl.dev = dev;
1572 platform_set_drvdata(pdev, ctrl);
1578 ret = qcom_slim_ngd_qmi_svc_event_init(ctrl);
1584 INIT_WORK(&ctrl->m_work, qcom_slim_ngd_master_worker);
1585 INIT_WORK(&ctrl->ngd_up_work, qcom_slim_ngd_up_worker);
1586 ctrl->mwq = create_singlethread_workqueue("ngd_master");
1587 if (!ctrl->mwq) {
1595 qcom_slim_ngd_qmi_svc_event_deinit(&ctrl->qmi);
1596 if (ctrl->mwq)
1597 destroy_workqueue(ctrl->mwq);
1605 struct qcom_slim_ngd_ctrl *ctrl;
1609 ctrl = devm_kzalloc(dev, sizeof(*ctrl), GFP_KERNEL);
1610 if (!ctrl)
1613 dev_set_drvdata(dev, ctrl);
1615 ctrl->base = devm_platform_get_and_ioremap_resource(pdev, 0, NULL);
1616 if (IS_ERR(ctrl->base))
1617 return PTR_ERR(ctrl->base);
1624 IRQF_TRIGGER_HIGH, "slim-ngd", ctrl);
1628 ctrl->nb.notifier_call = qcom_slim_ngd_ssr_notify;
1629 ctrl->notifier = qcom_register_ssr_notifier("lpass", &ctrl->nb);
1630 if (IS_ERR(ctrl->notifier))
1631 return PTR_ERR(ctrl->notifier);
1633 ctrl->dev = dev;
1634 ctrl->framer.rootfreq = SLIM_ROOT_FREQ >> 3;
1635 ctrl->framer.superfreq =
1636 ctrl->framer.rootfreq / SLIM_CL_PER_SUPERFRAME_DIV8;
1638 ctrl->ctrl.a_framer = &ctrl->framer;
1639 ctrl->ctrl.clkgear = SLIM_MAX_CLK_GEAR;
1640 ctrl->ctrl.get_laddr = qcom_slim_ngd_get_laddr;
1641 ctrl->ctrl.enable_stream = qcom_slim_ngd_enable_stream;
1642 ctrl->ctrl.xfer_msg = qcom_slim_ngd_xfer_msg;
1643 ctrl->ctrl.wakeup = NULL;
1644 ctrl->state = QCOM_SLIM_NGD_CTRL_DOWN;
1646 mutex_init(&ctrl->tx_lock);
1647 mutex_init(&ctrl->ssr_lock);
1648 spin_lock_init(&ctrl->tx_buf_lock);
1649 init_completion(&ctrl->reconf);
1650 init_completion(&ctrl->qmi.qmi_comp);
1651 init_completion(&ctrl->qmi_up);
1653 ctrl->pdr = pdr_handle_alloc(slim_pd_status, ctrl);
1654 if (IS_ERR(ctrl->pdr)) {
1655 ret = dev_err_probe(dev, PTR_ERR(ctrl->pdr),
1660 pds = pdr_add_lookup(ctrl->pdr, "avs/audio", "msm/adsp/audio_pd");
1667 return of_qcom_slim_ngd_register(dev, ctrl);
1670 qcom_unregister_ssr_notifier(ctrl->notifier, &ctrl->nb);
1673 pdr_handle_release(ctrl->pdr);
1687 struct qcom_slim_ngd_ctrl *ctrl = platform_get_drvdata(pdev);
1690 pdr_handle_release(ctrl->pdr);
1691 qcom_unregister_ssr_notifier(ctrl->notifier, &ctrl->nb);
1692 qcom_slim_ngd_enable(ctrl, false);
1693 qcom_slim_ngd_exit_dma(ctrl);
1694 qcom_slim_ngd_qmi_svc_event_deinit(&ctrl->qmi);
1695 if (ctrl->mwq)
1696 destroy_workqueue(ctrl->mwq);
1698 kfree(ctrl->ngd);
1699 ctrl->ngd = NULL;
1705 struct qcom_slim_ngd_ctrl *ctrl = dev_get_drvdata(dev);
1707 if (ctrl->state == QCOM_SLIM_NGD_CTRL_AWAKE)
1708 ctrl->state = QCOM_SLIM_NGD_CTRL_IDLE;
1715 struct qcom_slim_ngd_ctrl *ctrl = dev_get_drvdata(dev);
1718 qcom_slim_ngd_exit_dma(ctrl);
1719 if (!ctrl->qmi.handle)
1722 ret = qcom_slim_qmi_power_request(ctrl, false);
1724 dev_info(ctrl->dev, "slim resource not idle:%d\n", ret);
1726 ctrl->state = QCOM_SLIM_NGD_CTRL_ASLEEP;
1745 .name = "qcom,slim-ngd-ctrl",