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