123 	struct wcnss_ctrl *wcnss = dev_get_drvdata(&rpdev->dev);  in wcnss_ctrl_smd_callback()  local
131 			dev_err(wcnss->dev,  in wcnss_ctrl_smd_callback()
137 		dev_info(wcnss->dev, "WCNSS Version %d.%d %d.%d\n",  in wcnss_ctrl_smd_callback()
141 		complete(&wcnss->ack);  in wcnss_ctrl_smd_callback()
145 			dev_err(wcnss->dev,  in wcnss_ctrl_smd_callback()
151 		wcnss->ack_status = nvresp->status;  in wcnss_ctrl_smd_callback()
152 		complete(&wcnss->ack);  in wcnss_ctrl_smd_callback()
155 		dev_dbg(wcnss->dev, "cold boot complete\n");  in wcnss_ctrl_smd_callback()
156 		complete(&wcnss->cbc);  in wcnss_ctrl_smd_callback()
159 		dev_info(wcnss->dev, "unknown message type %d\n", hdr->type);  in wcnss_ctrl_smd_callback()
167  * wcnss_request_version() - send a version request to WCNSS
168  * @wcnss:	wcnss ctrl driver context
170 static int wcnss_request_version(struct wcnss_ctrl *wcnss)  in wcnss_request_version()  argument
177 	ret = rpmsg_send(wcnss->channel, &msg, sizeof(msg));  in wcnss_request_version()
181 	ret = wait_for_completion_timeout(&wcnss->ack, WCNSS_CBC_TIMEOUT);  in wcnss_request_version()
183 		dev_err(wcnss->dev, "timeout waiting for version response\n");  in wcnss_request_version()
191  * wcnss_download_nv() - send nv binary to WCNSS
192  * @wcnss:	wcnss_ctrl state handle
197 static int wcnss_download_nv(struct wcnss_ctrl *wcnss, bool *expect_cbc)  in wcnss_download_nv()  argument
209 	ret = request_firmware(&fw, NVBIN_FILE, wcnss->dev);  in wcnss_download_nv()
211 		dev_err(wcnss->dev, "Failed to load nv file %s: %d\n",  in wcnss_download_nv()
235 		ret = rpmsg_send(wcnss->channel, req, req->hdr.len);  in wcnss_download_nv()
237 			dev_err(wcnss->dev, "failed to send smd packet\n");  in wcnss_download_nv()
248 	ret = wait_for_completion_timeout(&wcnss->ack, WCNSS_REQUEST_TIMEOUT);  in wcnss_download_nv()
250 		dev_err(wcnss->dev, "timeout waiting for nv upload ack\n");  in wcnss_download_nv()
253 		*expect_cbc = wcnss->ack_status == WCNSS_ACK_COLD_BOOTING;  in wcnss_download_nv()
266  * qcom_wcnss_open_channel() - open additional SMD channel to WCNSS
267  * @wcnss:	wcnss handle, retrieved from drvdata
271 struct rpmsg_endpoint *qcom_wcnss_open_channel(void *wcnss, const char *name, rpmsg_rx_cb_t cb, voi…  in qcom_wcnss_open_channel()  argument
274 	struct wcnss_ctrl *_wcnss = wcnss;  in qcom_wcnss_open_channel()
286 	struct wcnss_ctrl *wcnss = container_of(work, struct wcnss_ctrl, probe_work);  in wcnss_async_probe()  local
290 	ret = wcnss_request_version(wcnss);  in wcnss_async_probe()
294 	ret = wcnss_download_nv(wcnss, &expect_cbc);  in wcnss_async_probe()
300 		ret = wait_for_completion_timeout(&wcnss->cbc, WCNSS_REQUEST_TIMEOUT);  in wcnss_async_probe()
302 			dev_err(wcnss->dev, "expected cold boot completion\n");  in wcnss_async_probe()
305 	of_platform_populate(wcnss->dev->of_node, NULL, NULL, wcnss->dev);  in wcnss_async_probe()
310 	struct wcnss_ctrl *wcnss;  in wcnss_ctrl_probe()  local
312 	wcnss = devm_kzalloc(&rpdev->dev, sizeof(*wcnss), GFP_KERNEL);  in wcnss_ctrl_probe()
313 	if (!wcnss)  in wcnss_ctrl_probe()
316 	wcnss->dev = &rpdev->dev;  in wcnss_ctrl_probe()
317 	wcnss->channel = rpdev->ept;  in wcnss_ctrl_probe()
319 	init_completion(&wcnss->ack);  in wcnss_ctrl_probe()
320 	init_completion(&wcnss->cbc);  in wcnss_ctrl_probe()
321 	INIT_WORK(&wcnss->probe_work, wcnss_async_probe);  in wcnss_ctrl_probe()
323 	dev_set_drvdata(&rpdev->dev, wcnss);  in wcnss_ctrl_probe()
325 	schedule_work(&wcnss->probe_work);  in wcnss_ctrl_probe()
332 	struct wcnss_ctrl *wcnss = dev_get_drvdata(&rpdev->dev);  in wcnss_ctrl_remove()  local
334 	cancel_work_sync(&wcnss->probe_work);  in wcnss_ctrl_remove()
339 	{ .compatible = "qcom,wcnss", },
357 MODULE_DESCRIPTION("Qualcomm WCNSS control driver");