Lines Matching refs:apr
13 #include <linux/soc/qcom/apr.h>
43 * apr_send_pkt() - Send a apr message from apr device
45 * @adev: Pointer to previously registered apr device.
46 * @pkt: Pointer to apr packet to send
52 struct packet_router *apr = dev_get_drvdata(adev->dev.parent);
65 ret = rpmsg_trysend(apr->ch, pkt, hdr->pkt_size);
82 struct packet_router *apr = dev_get_drvdata(&rpdev->dev);
87 dev_err(apr->dev, "APR: Improper apr pkt received:%p %d\n",
99 spin_lock_irqsave(&apr->rx_lock, flags);
100 list_add_tail(&abuf->node, &apr->rx_list);
101 spin_unlock_irqrestore(&apr->rx_lock, flags);
103 queue_work(apr->rxwq, &apr->rx_work);
108 static int apr_do_rx_callback(struct packet_router *apr, struct apr_rx_buf *abuf)
127 dev_err(apr->dev, "APR: Wrong hdr size:%d\n", hdr_size);
132 dev_err(apr->dev, "APR: Wrong packet size\n");
138 dev_err(apr->dev, "APR: Wrong message type: %d\n", msg_type);
146 dev_err(apr->dev, "APR: Wrong APR header\n");
151 spin_lock_irqsave(&apr->svcs_lock, flags);
152 svc = idr_find(&apr->svcs_idr, svc_id);
157 spin_unlock_irqrestore(&apr->svcs_lock, flags);
160 dev_err(apr->dev, "APR: service is not registered (%d)\n",
182 struct packet_router *apr = container_of(work, struct packet_router, rx_work);
186 if (!list_empty(&apr->rx_list)) {
187 list_for_each_entry_safe(abuf, b, &apr->rx_list, node) {
188 switch (apr->type) {
190 apr_do_rx_callback(apr, abuf);
195 spin_lock_irqsave(&apr->rx_lock, flags);
197 spin_unlock_irqrestore(&apr->rx_lock, flags);
238 struct packet_router *apr = dev_get_drvdata(adev->dev.parent);
244 spin_lock(&apr->svcs_lock);
245 idr_remove(&apr->svcs_idr, adev->svc.id);
246 spin_unlock(&apr->svcs_lock);
261 return add_uevent_var(env, "MODALIAS=apr:%s", adev->name);
276 struct packet_router *apr = dev_get_drvdata(dev);
289 svc->pr = apr;
299 switch (apr->type) {
314 spin_lock(&apr->svcs_lock);
315 ret = idr_alloc(&apr->svcs_idr, svc, svc_id, svc_id + 1, GFP_ATOMIC);
316 spin_unlock(&apr->svcs_lock);
345 struct packet_router *apr = dev_get_drvdata(dev);
364 pds = pdr_add_lookup(apr->pdr, service_name, service_path);
377 struct packet_router *apr = dev_get_drvdata(dev);
388 * apr_probe(), in which case we register any apr devices
394 * this case we register any apr devices with a matching
417 domain_id = apr->dest_domain_id;
420 dev_err(dev, "Failed to add apr %d svc\n", svc_id);
440 struct packet_router *apr = (struct packet_router *)priv;
444 of_register_apr_devices(apr->dev, svc_path);
447 device_for_each_child(apr->dev, svc_path, apr_remove_device);
455 struct packet_router *apr;
458 apr = devm_kzalloc(dev, sizeof(*apr), GFP_KERNEL);
459 if (!apr)
462 ret = of_property_read_u32(dev->of_node, "qcom,domain", &apr->dest_domain_id);
463 if (ret) /* try deprecated apr-domain property */
464 ret = of_property_read_u32(dev->of_node, "qcom,apr-domain",
465 &apr->dest_domain_id);
466 apr->type = PR_TYPE_APR;
472 dev_set_drvdata(dev, apr);
473 apr->ch = rpdev->ept;
474 apr->dev = dev;
475 apr->rxwq = create_singlethread_workqueue("qcom_apr_rx");
476 if (!apr->rxwq) {
477 dev_err(apr->dev, "Failed to start Rx WQ\n");
480 INIT_WORK(&apr->rx_work, apr_rxwq);
482 apr->pdr = pdr_handle_alloc(apr_pd_status, apr);
483 if (IS_ERR(apr->pdr)) {
485 ret = PTR_ERR(apr->pdr);
489 INIT_LIST_HEAD(&apr->rx_list);
490 spin_lock_init(&apr->rx_lock);
491 spin_lock_init(&apr->svcs_lock);
492 idr_init(&apr->svcs_idr);
503 pdr_handle_release(apr->pdr);
505 destroy_workqueue(apr->rxwq);
511 struct packet_router *apr = dev_get_drvdata(&rpdev->dev);
513 pdr_handle_release(apr->pdr);
515 flush_workqueue(apr->rxwq);
516 destroy_workqueue(apr->rxwq);
549 { .compatible = "qcom,apr"},
550 { .compatible = "qcom,apr-v2"},
560 .name = "qcom,apr",