From patchwork Fri Jun 1 20:26:06 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vikash Garodia X-Patchwork-Id: 10444355 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 6D514601E9 for ; Fri, 1 Jun 2018 20:27:43 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 66965287A7 for ; Fri, 1 Jun 2018 20:27:43 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 5B65928C46; Fri, 1 Jun 2018 20:27:43 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.8 required=2.0 tests=BAYES_00,DKIM_SIGNED, MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI, T_DKIM_INVALID autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id E1BDA287A7 for ; Fri, 1 Jun 2018 20:27:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753627AbeFAU1C (ORCPT ); Fri, 1 Jun 2018 16:27:02 -0400 Received: from smtp.codeaurora.org ([198.145.29.96]:53674 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753601AbeFAU06 (ORCPT ); Fri, 1 Jun 2018 16:26:58 -0400 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id AD21F607E7; Fri, 1 Jun 2018 20:26:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1527884817; bh=VtFKRA/P67RpNssqXjB/iVZ4WUtnH14K/X75VvCoaMM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=JA5mWbIZOdsMVGW1kG2+ihIwfH4ldCDDEqZ/F8Hs2BUdr6SrlzpRKGip/7ayqRrSk 53N6mj+tD3RQB7kvpSLOvsplmCqFYYVPob9VU+xUYqPzkPe8jADWfS8Qey/gQikYyP KgPC7ROltmHS0FJVzxl8zfAqlSwyVx/4n5QOGYqo= Received: from vgarodia-linux.qualcomm.com (blr-c-bdr-fw-01_globalnat_allzones-outside.qualcomm.com [103.229.19.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: vgarodia@smtp.codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id 0463460646; Fri, 1 Jun 2018 20:26:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1527884816; bh=VtFKRA/P67RpNssqXjB/iVZ4WUtnH14K/X75VvCoaMM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Bl14fP064FLrRmPvajJ2lXbhs9JMQ94NK0TFQ5Bru7F10qvRAyXuF02HEH9bHmNnN 8e9sNAmEt5jU7/3VrHB13ZAMBGOA/t2bs9cFCBMqN8hr/siJ2b2lVhJuMrdR/g6/19 qunzvMl5dy5mzFJ+OuOqSVTudf9l8VVlHpRX3BAc= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 0463460646 Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=vgarodia@codeaurora.org From: Vikash Garodia To: hverkuil@xs4all.nl, mchehab@kernel.org, robh@kernel.org, mark.rutland@arm.com, andy.gross@linaro.org, bjorn.andersson@linaro.org, stanimir.varbanov@linaro.org Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-soc@vger.kernel.org, devicetree@vger.kernel.org, vgarodia@codeaurora.org, acourbot@chromium.org Subject: [PATCH v2 3/5] venus: add check to make scm calls Date: Sat, 2 Jun 2018 01:56:06 +0530 Message-Id: <1527884768-22392-4-git-send-email-vgarodia@codeaurora.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1527884768-22392-1-git-send-email-vgarodia@codeaurora.org> References: <1527884768-22392-1-git-send-email-vgarodia@codeaurora.org> Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Split the boot api into firmware load and hardware boot. Also add the checks to invoke scm calls only if the platform has the required support. Signed-off-by: Vikash Garodia --- drivers/media/platform/qcom/venus/core.c | 4 +- drivers/media/platform/qcom/venus/firmware.c | 65 ++++++++++++++++++---------- drivers/media/platform/qcom/venus/firmware.h | 2 +- 3 files changed, 45 insertions(+), 26 deletions(-) diff --git a/drivers/media/platform/qcom/venus/core.c b/drivers/media/platform/qcom/venus/core.c index 1308488..9a95f9a 100644 --- a/drivers/media/platform/qcom/venus/core.c +++ b/drivers/media/platform/qcom/venus/core.c @@ -84,7 +84,7 @@ static void venus_sys_error_handler(struct work_struct *work) pm_runtime_get_sync(core->dev); - ret |= venus_boot(core->dev, core->res->fwname); + ret |= venus_boot(core); ret |= hfi_core_resume(core, true); @@ -279,7 +279,7 @@ static int venus_probe(struct platform_device *pdev) if (ret < 0) goto err_runtime_disable; - ret = venus_boot(dev, core->res->fwname); + ret = venus_boot(core); if (ret) goto err_runtime_disable; diff --git a/drivers/media/platform/qcom/venus/firmware.c b/drivers/media/platform/qcom/venus/firmware.c index b4664ed..cb7f48ef 100644 --- a/drivers/media/platform/qcom/venus/firmware.c +++ b/drivers/media/platform/qcom/venus/firmware.c @@ -81,40 +81,35 @@ int venus_set_hw_state(enum tzbsp_video_state state, struct venus_core *core) } EXPORT_SYMBOL_GPL(venus_set_hw_state); -int venus_boot(struct device *dev, const char *fwname) +static int venus_load_fw(struct device *dev, const char *fwname, + phys_addr_t *mem_phys, size_t *mem_size) { const struct firmware *mdt; struct device_node *node; - phys_addr_t mem_phys; struct resource r; ssize_t fw_size; - size_t mem_size; void *mem_va; int ret; - if (!IS_ENABLED(CONFIG_QCOM_MDT_LOADER) || !qcom_scm_is_available()) - return -EPROBE_DEFER; - node = of_parse_phandle(dev->of_node, "memory-region", 0); if (!node) { dev_err(dev, "no memory-region specified\n"); return -EINVAL; } - ret = of_address_to_resource(node, 0, &r); if (ret) return ret; - mem_phys = r.start; - mem_size = resource_size(&r); + *mem_phys = r.start; + *mem_size = resource_size(&r); - if (mem_size < VENUS_FW_MEM_SIZE) + if (*mem_size < VENUS_FW_MEM_SIZE) return -EINVAL; - mem_va = memremap(r.start, mem_size, MEMREMAP_WC); + mem_va = memremap(r.start, *mem_size, MEMREMAP_WC); if (!mem_va) { dev_err(dev, "unable to map memory region: %pa+%zx\n", - &r.start, mem_size); + &r.start, *mem_size); return -ENOMEM; } @@ -128,25 +123,49 @@ int venus_boot(struct device *dev, const char *fwname) release_firmware(mdt); goto err_unmap; } - - ret = qcom_mdt_load(dev, mdt, fwname, VENUS_PAS_ID, mem_va, mem_phys, - mem_size); + if (qcom_scm_is_available()) + ret = qcom_mdt_load(dev, mdt, fwname, VENUS_PAS_ID, mem_va, + *mem_phys, *mem_size, NULL); + else + ret = qcom_mdt_load_no_init(dev, mdt, fwname, VENUS_PAS_ID, + mem_va, *mem_phys, *mem_size, NULL); release_firmware(mdt); - if (ret) - goto err_unmap; - - ret = qcom_scm_pas_auth_and_reset(VENUS_PAS_ID); - if (ret) - goto err_unmap; - err_unmap: memunmap(mem_va); return ret; } +int venus_boot(struct venus_core *core) +{ + phys_addr_t mem_phys; + size_t mem_size; + int ret; + struct device *dev; + + if (!IS_ENABLED(CONFIG_QCOM_MDT_LOADER)) + return -EPROBE_DEFER; + + dev = core->dev; + + ret = venus_load_fw(dev, core->res->fwname, &mem_phys, &mem_size); + if (ret) { + dev_err(dev, "fail to load video firmware\n"); + return -EINVAL; + } + + if (qcom_scm_is_available()) + ret = qcom_scm_pas_auth_and_reset(VENUS_PAS_ID); + + return ret; +} +EXPORT_SYMBOL_GPL(venus_boot); int venus_shutdown(struct device *dev) { - return qcom_scm_pas_shutdown(VENUS_PAS_ID); + int ret = 0; + + if (qcom_scm_is_available()) + ret = qcom_scm_pas_shutdown(VENUS_PAS_ID); + return ret; } diff --git a/drivers/media/platform/qcom/venus/firmware.h b/drivers/media/platform/qcom/venus/firmware.h index 1336729..0916826 100644 --- a/drivers/media/platform/qcom/venus/firmware.h +++ b/drivers/media/platform/qcom/venus/firmware.h @@ -16,7 +16,7 @@ struct device; -int venus_boot(struct device *dev, const char *fwname); +int venus_boot(struct venus_core *core); int venus_shutdown(struct device *dev); int venus_set_hw_state(enum tzbsp_video_state, struct venus_core *core);