Return-path: Received: from smtp.codeaurora.org ([198.145.29.96]:42790 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750813AbeCZFj2 (ORCPT ); Mon, 26 Mar 2018 01:39:28 -0400 From: Govind Singh To: ath10k@lists.infradead.org, bjorn.andersson@linaro.org Cc: linux-wireless@vger.kernel.org, Govind Singh Subject: [PATCH 03/12] ath10k: Add ath10k QMI client driver Date: Mon, 26 Mar 2018 11:09:21 +0530 Message-Id: <1522042761-25716-1-git-send-email-govinds@codeaurora.org> (sfid-20180326_073931_902612_16D7F621) Sender: linux-wireless-owner@vger.kernel.org List-ID: Add QMI client driver for Q6 integrated WLAN connectivity subsystem. This module is responsible for communicating WLAN control messages to FW over QUALCOMM MSM Interface (QMI). Signed-off-by: Govind Singh --- drivers/net/wireless/ath/ath10k/Kconfig | 2 +- drivers/net/wireless/ath/ath10k/Makefile | 4 + drivers/net/wireless/ath/ath10k/qmi.c | 121 +++++++++++++++++++++++++++++++ drivers/net/wireless/ath/ath10k/qmi.h | 24 ++++++ 4 files changed, 150 insertions(+), 1 deletion(-) create mode 100644 drivers/net/wireless/ath/ath10k/qmi.c create mode 100644 drivers/net/wireless/ath/ath10k/qmi.h diff --git a/drivers/net/wireless/ath/ath10k/Kconfig b/drivers/net/wireless/ath/ath10k/Kconfig index 84f071a..9978ad5e 100644 --- a/drivers/net/wireless/ath/ath10k/Kconfig +++ b/drivers/net/wireless/ath/ath10k/Kconfig @@ -42,7 +42,7 @@ config ATH10K_USB config ATH10K_SNOC tristate "Qualcomm ath10k SNOC support (EXPERIMENTAL)" - depends on ATH10K && ARCH_QCOM + depends on ATH10K && ARCH_QCOM && QCOM_QMI_HELPERS ---help--- This module adds support for integrated WCN3990 chip connected to system NOC(SNOC). Currently work in progress and will not diff --git a/drivers/net/wireless/ath/ath10k/Makefile b/drivers/net/wireless/ath/ath10k/Makefile index 44d60a6..1730d1d 100644 --- a/drivers/net/wireless/ath/ath10k/Makefile +++ b/drivers/net/wireless/ath/ath10k/Makefile @@ -38,5 +38,9 @@ ath10k_usb-y += usb.o obj-$(CONFIG_ATH10K_SNOC) += ath10k_snoc.o ath10k_snoc-y += snoc.o +obj-$(CONFIG_ATH10K_SNOC) += ath10k_qmi.o +ath10k_qmi-y += qmi.o \ + qmi_svc_v01.o + # for tracing framework to find trace.h CFLAGS_trace.o := -I$(src) diff --git a/drivers/net/wireless/ath/ath10k/qmi.c b/drivers/net/wireless/ath/ath10k/qmi.c new file mode 100644 index 0000000..2235182 --- /dev/null +++ b/drivers/net/wireless/ath/ath10k/qmi.c @@ -0,0 +1,121 @@ +/* + * Copyright (c) 2018 The Linux Foundation. All rights reserved. + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "qmi.h" +#include "qmi_svc_v01.h" + +static struct ath10k_qmi *qmi; + +static int ath10k_qmi_new_server(struct qmi_handle *qmi_hdl, + struct qmi_service *service) +{ + return 0; +} + +static void ath10k_qmi_del_server(struct qmi_handle *qmi_hdl, + struct qmi_service *service) +{ +} + +static struct qmi_ops ath10k_qmi_ops = { + .new_server = ath10k_qmi_new_server, + .del_server = ath10k_qmi_del_server, +}; + +static int ath10k_qmi_probe(struct platform_device *pdev) +{ + int ret; + + qmi = devm_kzalloc(&pdev->dev, sizeof(*qmi), + GFP_KERNEL); + if (!qmi) + return -ENOMEM; + + qmi->pdev = pdev; + platform_set_drvdata(pdev, qmi); + ret = qmi_handle_init(&qmi->qmi_hdl, + WLFW_BDF_DOWNLOAD_REQ_MSG_V01_MAX_MSG_LEN, + &ath10k_qmi_ops, NULL); + if (ret < 0) + goto err; + + ret = qmi_add_lookup(&qmi->qmi_hdl, WLFW_SERVICE_ID_V01, + WLFW_SERVICE_VERS_V01, 0); + if (ret < 0) + goto err; + + pr_debug("qmi client driver probed successfully\n"); + + return 0; + +err: + return ret; +} + +static int ath10k_qmi_remove(struct platform_device *pdev) +{ + struct ath10k_qmi *qmi = platform_get_drvdata(pdev); + + qmi_handle_release(&qmi->qmi_hdl); + + return 0; +} + +static const struct of_device_id ath10k_qmi_dt_match[] = { + {.compatible = "qcom,ath10k-qmi"}, + {} +}; + +MODULE_DEVICE_TABLE(of, ath10k_qmi_dt_match); + +static struct platform_driver ath10k_qmi_clinet = { + .probe = ath10k_qmi_probe, + .remove = ath10k_qmi_remove, + .driver = { + .name = "ath10k QMI client", + .owner = THIS_MODULE, + .of_match_table = ath10k_qmi_dt_match, + }, +}; + +static int __init ath10k_qmi_init(void) +{ + return platform_driver_register(&ath10k_qmi_clinet); +} + +static void __exit ath10k_qmi_exit(void) +{ + platform_driver_unregister(&ath10k_qmi_clinet); +} + +module_init(ath10k_qmi_init); +module_exit(ath10k_qmi_exit); + +MODULE_AUTHOR("Qualcomm"); +MODULE_LICENSE("Dual BSD/GPL"); +MODULE_DESCRIPTION("ath10k QMI client driver"); diff --git a/drivers/net/wireless/ath/ath10k/qmi.h b/drivers/net/wireless/ath/ath10k/qmi.h new file mode 100644 index 0000000..ad256ef --- /dev/null +++ b/drivers/net/wireless/ath/ath10k/qmi.h @@ -0,0 +1,24 @@ +/* + * Copyright (c) 2018 The Linux Foundation. All rights reserved. + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ +#ifndef _QMI_H_ +#define _QMI_H_ + +struct ath10k_qmi { + struct platform_device *pdev; + struct qmi_handle qmi_hdl; + struct sockaddr_qrtr sq; +}; +#endif /* _QMI_H_ */ -- 1.9.1