From patchwork Tue Sep 18 23:43:08 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vikash Garodia X-Patchwork-Id: 10605039 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 41A6114DA for ; Tue, 18 Sep 2018 23:43:43 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3306A2BD35 for ; Tue, 18 Sep 2018 23:43:43 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 271D32BD2A; Tue, 18 Sep 2018 23:43:43 +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 A1F6D2BD27 for ; Tue, 18 Sep 2018 23:43:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730604AbeISFSf (ORCPT ); Wed, 19 Sep 2018 01:18:35 -0400 Received: from smtp.codeaurora.org ([198.145.29.96]:41780 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725779AbeISFSf (ORCPT ); Wed, 19 Sep 2018 01:18:35 -0400 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id 3C1D260C5F; Tue, 18 Sep 2018 23:43:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1537314216; bh=EN/HS5n71IEZrVOdBzodMX/wY1QnGhfJFH8yqxxNnTk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=YoE3puzqtncsAq2weoibuum3uBS1bjiUWSGzSEdJpjwSEhd1NmAJYgd1dhnQpAP53 rMB1F8RfrSa2Q2nuGlXUW6bRHQ3MtCjhNnk04pbn7/U4tsRchUA/9tYCh99mQ0c2QV ih9wvmtYM4uw+dCU47GHKDxjnFcgnw2xtWEgLhqQ= 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 2C1BA60BF7; Tue, 18 Sep 2018 23:43:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1537314214; bh=EN/HS5n71IEZrVOdBzodMX/wY1QnGhfJFH8yqxxNnTk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=nrGEOHhXZ5Sy6rmR5nkxzcalSZS764PlNiDmmf7UEmoQjowfi50AYB1bRsoQBGer1 d0IUicpbD1LNfr60sW3Pa8BYHCs0TwidoNUKIDZZEsv3LvwfybPgMio1UEF/4K3RiI +Wse3Upn+vY5ZcpLg7QZqHs6k31m9SbgTfn4JU7g= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 2C1BA60BF7 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: stanimir.varbanov@linaro.org, hverkuil@xs4all.nl, mchehab@kernel.org, robh@kernel.org, mark.rutland@arm.com, andy.gross@linaro.org, arnd@arndb.de, bjorn.andersson@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, acourbot@chromium.org, vgarodia@codeaurora.org Subject: [PATCH v9 1/5] venus: firmware: add routine to reset ARM9 Date: Wed, 19 Sep 2018 05:13:08 +0530 Message-Id: <1537314192-26892-2-git-send-email-vgarodia@codeaurora.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1537314192-26892-1-git-send-email-vgarodia@codeaurora.org> References: <1537314192-26892-1-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 Add routine to reset the ARM9 and brings it out of reset. Also abstract the Venus CPU state handling with a new function. This is in preparation to add PIL functionality in venus driver. Signed-off-by: Vikash Garodia --- drivers/media/platform/qcom/venus/core.h | 2 ++ drivers/media/platform/qcom/venus/firmware.c | 33 ++++++++++++++++++++++++ drivers/media/platform/qcom/venus/firmware.h | 11 ++++++++ drivers/media/platform/qcom/venus/hfi_venus.c | 13 +++------- drivers/media/platform/qcom/venus/hfi_venus_io.h | 7 +++++ 5 files changed, 57 insertions(+), 9 deletions(-) diff --git a/drivers/media/platform/qcom/venus/core.h b/drivers/media/platform/qcom/venus/core.h index 2f02365..dfd5c10 100644 --- a/drivers/media/platform/qcom/venus/core.h +++ b/drivers/media/platform/qcom/venus/core.h @@ -98,6 +98,7 @@ struct venus_caps { * @dev: convenience struct device pointer * @dev_dec: convenience struct device pointer for decoder device * @dev_enc: convenience struct device pointer for encoder device + * @no_tz: a flag that suggests presence of trustzone * @lock: a lock for this strucure * @instances: a list_head of all instances * @insts_count: num of instances @@ -129,6 +130,7 @@ struct venus_core { struct device *dev; struct device *dev_dec; struct device *dev_enc; + bool no_tz; struct mutex lock; struct list_head instances; atomic_t insts_count; diff --git a/drivers/media/platform/qcom/venus/firmware.c b/drivers/media/platform/qcom/venus/firmware.c index c4a5778..f2ae2f0 100644 --- a/drivers/media/platform/qcom/venus/firmware.c +++ b/drivers/media/platform/qcom/venus/firmware.c @@ -22,10 +22,43 @@ #include #include +#include "core.h" #include "firmware.h" +#include "hfi_venus_io.h" #define VENUS_PAS_ID 9 #define VENUS_FW_MEM_SIZE (6 * SZ_1M) +#define VENUS_FW_START_ADDR 0x0 + +static void venus_reset_cpu(struct venus_core *core) +{ + void __iomem *base = core->base; + + writel(0, base + WRAPPER_FW_START_ADDR); + writel(VENUS_FW_MEM_SIZE, base + WRAPPER_FW_END_ADDR); + writel(0, base + WRAPPER_CPA_START_ADDR); + writel(VENUS_FW_MEM_SIZE, base + WRAPPER_CPA_END_ADDR); + writel(VENUS_FW_MEM_SIZE, base + WRAPPER_NONPIX_START_ADDR); + writel(VENUS_FW_MEM_SIZE, base + WRAPPER_NONPIX_END_ADDR); + writel(0x0, base + WRAPPER_CPU_CGC_DIS); + writel(0x0, base + WRAPPER_CPU_CLOCK_CONFIG); + + /* Bring ARM9 out of reset */ + writel(0, base + WRAPPER_A9SS_SW_RESET); +} + +int venus_set_hw_state(struct venus_core *core, bool resume) +{ + if (!core->no_tz) + return qcom_scm_set_remote_state(resume, 0); + + if (resume) + venus_reset_cpu(core); + else + writel(1, core->base + WRAPPER_A9SS_SW_RESET); + + return 0; +} int venus_boot(struct device *dev, const char *fwname) { diff --git a/drivers/media/platform/qcom/venus/firmware.h b/drivers/media/platform/qcom/venus/firmware.h index 428efb5..397570c 100644 --- a/drivers/media/platform/qcom/venus/firmware.h +++ b/drivers/media/platform/qcom/venus/firmware.h @@ -18,5 +18,16 @@ int venus_boot(struct device *dev, const char *fwname); int venus_shutdown(struct device *dev); +int venus_set_hw_state(struct venus_core *core, bool suspend); + +static inline int venus_set_hw_state_suspend(struct venus_core *core) +{ + return venus_set_hw_state(core, false); +} + +static inline int venus_set_hw_state_resume(struct venus_core *core) +{ + return venus_set_hw_state(core, true); +} #endif diff --git a/drivers/media/platform/qcom/venus/hfi_venus.c b/drivers/media/platform/qcom/venus/hfi_venus.c index 1240855..074837e 100644 --- a/drivers/media/platform/qcom/venus/hfi_venus.c +++ b/drivers/media/platform/qcom/venus/hfi_venus.c @@ -19,7 +19,6 @@ #include #include #include -#include #include #include "core.h" @@ -27,6 +26,7 @@ #include "hfi_msgs.h" #include "hfi_venus.h" #include "hfi_venus_io.h" +#include "firmware.h" #define HFI_MASK_QHDR_TX_TYPE 0xff000000 #define HFI_MASK_QHDR_RX_TYPE 0x00ff0000 @@ -55,11 +55,6 @@ #define IFACEQ_VAR_LARGE_PKT_SIZE 512 #define IFACEQ_VAR_HUGE_PKT_SIZE (1024 * 12) -enum tzbsp_video_state { - TZBSP_VIDEO_STATE_SUSPEND = 0, - TZBSP_VIDEO_STATE_RESUME -}; - struct hfi_queue_table_header { u32 version; u32 size; @@ -575,7 +570,7 @@ static int venus_power_off(struct venus_hfi_device *hdev) if (!hdev->power_enabled) return 0; - ret = qcom_scm_set_remote_state(TZBSP_VIDEO_STATE_SUSPEND, 0); + ret = venus_set_hw_state_suspend(hdev->core); if (ret) return ret; @@ -595,7 +590,7 @@ static int venus_power_on(struct venus_hfi_device *hdev) if (hdev->power_enabled) return 0; - ret = qcom_scm_set_remote_state(TZBSP_VIDEO_STATE_RESUME, 0); + ret = venus_set_hw_state_resume(hdev->core); if (ret) goto err; @@ -608,7 +603,7 @@ static int venus_power_on(struct venus_hfi_device *hdev) return 0; err_suspend: - qcom_scm_set_remote_state(TZBSP_VIDEO_STATE_SUSPEND, 0); + venus_set_hw_state_suspend(hdev->core); err: hdev->power_enabled = false; return ret; diff --git a/drivers/media/platform/qcom/venus/hfi_venus_io.h b/drivers/media/platform/qcom/venus/hfi_venus_io.h index def0926..d69f51b 100644 --- a/drivers/media/platform/qcom/venus/hfi_venus_io.h +++ b/drivers/media/platform/qcom/venus/hfi_venus_io.h @@ -112,6 +112,13 @@ #define WRAPPER_CPU_STATUS (WRAPPER_BASE + 0x2014) #define WRAPPER_CPU_STATUS_WFI BIT(0) #define WRAPPER_SW_RESET (WRAPPER_BASE + 0x3000) +#define WRAPPER_CPA_START_ADDR (WRAPPER_BASE + 0x1020) +#define WRAPPER_CPA_END_ADDR (WRAPPER_BASE + 0x1024) +#define WRAPPER_FW_START_ADDR (WRAPPER_BASE + 0x1028) +#define WRAPPER_FW_END_ADDR (WRAPPER_BASE + 0x102C) +#define WRAPPER_NONPIX_START_ADDR (WRAPPER_BASE + 0x1030) +#define WRAPPER_NONPIX_END_ADDR (WRAPPER_BASE + 0x1034) +#define WRAPPER_A9SS_SW_RESET (WRAPPER_BASE + 0x3000) /* Venus 4xx */ #define WRAPPER_VCODEC0_MMCC_POWER_STATUS (WRAPPER_BASE + 0x90) From patchwork Tue Sep 18 23:43:09 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vikash Garodia X-Patchwork-Id: 10605043 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id DE38E157B for ; Tue, 18 Sep 2018 23:43:48 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id CDCF42BD23 for ; Tue, 18 Sep 2018 23:43:48 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id C19BD2BD2A; Tue, 18 Sep 2018 23:43:48 +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 5C9242BD23 for ; Tue, 18 Sep 2018 23:43:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730680AbeISFSl (ORCPT ); Wed, 19 Sep 2018 01:18:41 -0400 Received: from smtp.codeaurora.org ([198.145.29.96]:41958 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725779AbeISFSl (ORCPT ); Wed, 19 Sep 2018 01:18:41 -0400 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id 8B6DC60BF5; Tue, 18 Sep 2018 23:43:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1537314221; bh=N17bFduPeE6LJPwEvLgeHEtWHAq/ziZm3vRsJ0GmqLM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=WceKbMVPqqjFboqoAdJowJf2CwZAn+FydmPu5vosEgDN4Ux5Oqf87w84CfvFAvFb0 7ftWp2+k3BjaoL9x3Sp0f5mcKTTiX+LnV0rn7UroyhZaawAzVTOs24xaG69a8aep9k GJQ7W/BD4NYRAIlN59Ilk/CVz+DFWEELPiekK7WE= 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 539BD60B73; Tue, 18 Sep 2018 23:43:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1537314221; bh=N17bFduPeE6LJPwEvLgeHEtWHAq/ziZm3vRsJ0GmqLM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=WceKbMVPqqjFboqoAdJowJf2CwZAn+FydmPu5vosEgDN4Ux5Oqf87w84CfvFAvFb0 7ftWp2+k3BjaoL9x3Sp0f5mcKTTiX+LnV0rn7UroyhZaawAzVTOs24xaG69a8aep9k GJQ7W/BD4NYRAIlN59Ilk/CVz+DFWEELPiekK7WE= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 539BD60B73 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: stanimir.varbanov@linaro.org, hverkuil@xs4all.nl, mchehab@kernel.org, robh@kernel.org, mark.rutland@arm.com, andy.gross@linaro.org, arnd@arndb.de, bjorn.andersson@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, acourbot@chromium.org, vgarodia@codeaurora.org Subject: [PATCH v9 2/5] venus: firmware: move load firmware in a separate function Date: Wed, 19 Sep 2018 05:13:09 +0530 Message-Id: <1537314192-26892-3-git-send-email-vgarodia@codeaurora.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1537314192-26892-1-git-send-email-vgarodia@codeaurora.org> References: <1537314192-26892-1-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 Separate firmware loading part into a new function. Signed-off-by: Vikash Garodia --- drivers/media/platform/qcom/venus/core.c | 4 +- drivers/media/platform/qcom/venus/firmware.c | 55 ++++++++++++++++++---------- drivers/media/platform/qcom/venus/firmware.h | 2 +- 3 files changed, 38 insertions(+), 23 deletions(-) diff --git a/drivers/media/platform/qcom/venus/core.c b/drivers/media/platform/qcom/venus/core.c index bb6add9..75b9785 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); @@ -284,7 +284,7 @@ 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 f2ae2f0..16faba6 100644 --- a/drivers/media/platform/qcom/venus/firmware.c +++ b/drivers/media/platform/qcom/venus/firmware.c @@ -60,20 +60,18 @@ int venus_set_hw_state(struct venus_core *core, bool resume) return 0; } -int venus_boot(struct device *dev, const char *fwname) +static int venus_load_fw(struct venus_core *core, 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 device *dev; 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; - + dev = core->dev; node = of_parse_phandle(dev->of_node, "memory-region", 0); if (!node) { dev_err(dev, "no memory-region specified\n"); @@ -84,16 +82,16 @@ int venus_boot(struct device *dev, const char *fwname) 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; } @@ -108,23 +106,40 @@ int venus_boot(struct device *dev, const char *fwname) goto err_unmap; } - ret = qcom_mdt_load(dev, mdt, fwname, VENUS_PAS_ID, mem_va, mem_phys, - mem_size, NULL); + if (core->no_tz) + ret = qcom_mdt_load_no_init(dev, mdt, fwname, VENUS_PAS_ID, + mem_va, *mem_phys, *mem_size, NULL); + else + ret = qcom_mdt_load(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) +{ + struct device *dev = core->dev; + phys_addr_t mem_phys; + size_t mem_size; + int ret; + + if (!IS_ENABLED(CONFIG_QCOM_MDT_LOADER) || + (!core->no_tz && !qcom_scm_is_available())) + return -EPROBE_DEFER; + + ret = venus_load_fw(core, core->res->fwname, &mem_phys, &mem_size); + if (ret) { + dev_err(dev, "fail to load video firmware\n"); + return -EINVAL; + } + + return qcom_scm_pas_auth_and_reset(VENUS_PAS_ID); +} + int venus_shutdown(struct device *dev) { return qcom_scm_pas_shutdown(VENUS_PAS_ID); diff --git a/drivers/media/platform/qcom/venus/firmware.h b/drivers/media/platform/qcom/venus/firmware.h index 397570c..1343747 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(struct venus_core *core, bool suspend); From patchwork Tue Sep 18 23:43:10 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vikash Garodia X-Patchwork-Id: 10605047 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 3DC2715E8 for ; Tue, 18 Sep 2018 23:44:13 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 2EDF42BD23 for ; Tue, 18 Sep 2018 23:44:13 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 22B8F2BD2A; Tue, 18 Sep 2018 23:44:13 +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 ADE832BD23 for ; Tue, 18 Sep 2018 23:44:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730745AbeISFTK (ORCPT ); Wed, 19 Sep 2018 01:19:10 -0400 Received: from smtp.codeaurora.org ([198.145.29.96]:42470 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725779AbeISFTJ (ORCPT ); Wed, 19 Sep 2018 01:19:09 -0400 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id AEA08607F7; Tue, 18 Sep 2018 23:44:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1537314250; bh=pSZpMzMr5I7pi0On9KSG+KPUGroICyUez7YN8E3HBuI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=kmLB5DMWit8dneyUIoWp46vt9GNWvxq7JnxBrFiBmcmtnmJL93pZK67gStstSTHEU JqbMHM4UqvsLDvZ7PIadViXcSC2hhMuOc8ZMGYKMD4OOqWnNlUS/TXNiEWejvXKUvy lb3jFe8EBj6l+DWTyglKMiJzOs7A9LQLF8MO34zs= 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 BA5BF60C4E; Tue, 18 Sep 2018 23:43:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1537314227; bh=pSZpMzMr5I7pi0On9KSG+KPUGroICyUez7YN8E3HBuI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=FsHAYYOD47kqpVM9cpu+SSAl4m/6vJUTjkp65hXhruYH4ZwGticEOgJUT0zQlnwNA LtmRq3km/coUxKrHLNcq9IkejNyZg/SSdvi6auYsKVImXFArCdfkaO5RGiUTh67kA7 5++dq/uzIwWVjd1DXsFVV8WV5tguZ8hNtXeAQo7Y= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org BA5BF60C4E 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: stanimir.varbanov@linaro.org, hverkuil@xs4all.nl, mchehab@kernel.org, robh@kernel.org, mark.rutland@arm.com, andy.gross@linaro.org, arnd@arndb.de, bjorn.andersson@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, acourbot@chromium.org, vgarodia@codeaurora.org Subject: [PATCH v9 3/5] venus: firmware: register separate platform_device for firmware loader Date: Wed, 19 Sep 2018 05:13:10 +0530 Message-Id: <1537314192-26892-4-git-send-email-vgarodia@codeaurora.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1537314192-26892-1-git-send-email-vgarodia@codeaurora.org> References: <1537314192-26892-1-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 From: Stanimir Varbanov This registers a firmware platform_device and associate it with video-firmware DT subnode. Then calls dma configure to initialize dma and iommu. Signed-off-by: Stanimir Varbanov --- drivers/media/platform/qcom/venus/core.c | 14 +++++--- drivers/media/platform/qcom/venus/core.h | 3 ++ drivers/media/platform/qcom/venus/firmware.c | 54 ++++++++++++++++++++++++++++ drivers/media/platform/qcom/venus/firmware.h | 2 ++ 4 files changed, 69 insertions(+), 4 deletions(-) diff --git a/drivers/media/platform/qcom/venus/core.c b/drivers/media/platform/qcom/venus/core.c index 75b9785..440f25f 100644 --- a/drivers/media/platform/qcom/venus/core.c +++ b/drivers/media/platform/qcom/venus/core.c @@ -284,6 +284,14 @@ static int venus_probe(struct platform_device *pdev) if (ret < 0) goto err_runtime_disable; + ret = of_platform_populate(dev->of_node, NULL, NULL, dev); + if (ret) + goto err_runtime_disable; + + ret = venus_firmware_init(core); + if (ret) + goto err_runtime_disable; + ret = venus_boot(core); if (ret) goto err_runtime_disable; @@ -308,10 +316,6 @@ static int venus_probe(struct platform_device *pdev) if (ret) goto err_core_deinit; - ret = of_platform_populate(dev->of_node, NULL, NULL, dev); - if (ret) - goto err_dev_unregister; - ret = pm_runtime_put_sync(dev); if (ret) goto err_dev_unregister; @@ -347,6 +351,8 @@ static int venus_remove(struct platform_device *pdev) venus_shutdown(dev); of_platform_depopulate(dev); + venus_firmware_deinit(core); + pm_runtime_put_sync(dev); pm_runtime_disable(dev); diff --git a/drivers/media/platform/qcom/venus/core.h b/drivers/media/platform/qcom/venus/core.h index dfd5c10..6f2c82d 100644 --- a/drivers/media/platform/qcom/venus/core.h +++ b/drivers/media/platform/qcom/venus/core.h @@ -130,6 +130,9 @@ struct venus_core { struct device *dev; struct device *dev_dec; struct device *dev_enc; + struct video_firmware { + struct device *dev; + } fw; bool no_tz; struct mutex lock; struct list_head instances; diff --git a/drivers/media/platform/qcom/venus/firmware.c b/drivers/media/platform/qcom/venus/firmware.c index 16faba6..f4d2b4b 100644 --- a/drivers/media/platform/qcom/venus/firmware.c +++ b/drivers/media/platform/qcom/venus/firmware.c @@ -18,6 +18,8 @@ #include #include #include +#include +#include #include #include #include @@ -144,3 +146,55 @@ int venus_shutdown(struct device *dev) { return qcom_scm_pas_shutdown(VENUS_PAS_ID); } + +int venus_firmware_init(struct venus_core *core) +{ + struct platform_device_info info; + struct platform_device *pdev; + struct device_node *np; + int ret; + + np = of_get_child_by_name(core->dev->of_node, "video-firmware"); + if (!np) + return 0; + + memset(&info, 0, sizeof(info)); + info.fwnode = &np->fwnode; + info.parent = core->dev; + info.name = np->name; + info.dma_mask = DMA_BIT_MASK(32); + + pdev = platform_device_register_full(&info); + if (IS_ERR(pdev)) { + of_node_put(np); + return PTR_ERR(pdev); + } + + pdev->dev.of_node = np; + + ret = of_dma_configure(&pdev->dev, np, true); + if (ret) { + dev_err(core->dev, "dma configure fail\n"); + goto err_unregister; + } + + core->fw.dev = &pdev->dev; + core->no_tz = true; + + of_node_put(np); + + return 0; + +err_unregister: + platform_device_unregister(pdev); + of_node_put(np); + return ret; +} + +void venus_firmware_deinit(struct venus_core *core) +{ + if (!core->fw.dev) + return; + + platform_device_unregister(to_platform_device(core->fw.dev)); +} diff --git a/drivers/media/platform/qcom/venus/firmware.h b/drivers/media/platform/qcom/venus/firmware.h index 1343747..fd7edf0 100644 --- a/drivers/media/platform/qcom/venus/firmware.h +++ b/drivers/media/platform/qcom/venus/firmware.h @@ -16,6 +16,8 @@ struct device; +int venus_firmware_init(struct venus_core *core); +void venus_firmware_deinit(struct venus_core *core); int venus_boot(struct venus_core *core); int venus_shutdown(struct device *dev); int venus_set_hw_state(struct venus_core *core, bool suspend); From patchwork Tue Sep 18 23:43:11 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vikash Garodia X-Patchwork-Id: 10605051 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id BA546157B for ; Tue, 18 Sep 2018 23:44:20 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id AA2062BD23 for ; Tue, 18 Sep 2018 23:44:20 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 9C45B2BD2A; Tue, 18 Sep 2018 23:44:20 +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=ham 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 01DCC2BD23 for ; Tue, 18 Sep 2018 23:44:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730779AbeISFTL (ORCPT ); Wed, 19 Sep 2018 01:19:11 -0400 Received: from smtp.codeaurora.org ([198.145.29.96]:42526 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727326AbeISFTK (ORCPT ); Wed, 19 Sep 2018 01:19:10 -0400 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id 23C506034E; Tue, 18 Sep 2018 23:44:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1537314251; bh=V/9K9Ehznn5V/tbp06rpQFLX6Y7zL9VljX2T6MdKG/E=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=EEpv82SUtHALPHdKOpvdWwvZyu9aJtayjYSPRpdpfIkJKyJsNeaTm9S4pIokFK5+4 K0ttLWYeB2qs2F9FRsI28sfVc3m4wcSXrRiD2DRHdtqkRFq5t3W/fz12Ipr84WMD4A HjydqIRFFjqhN1693iXtgHodvuzvUlOnY3dSL08c= 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 44C8A60866; Tue, 18 Sep 2018 23:43:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1537314233; bh=V/9K9Ehznn5V/tbp06rpQFLX6Y7zL9VljX2T6MdKG/E=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=h5r99c4He8JAk5WluDXBIupPNcdmaD4nS4tIIT1dozMXzhEvILjSRYmWg2AlKUoaP 80a9GKI43eu/0JPoCXuZFG2Dln9SfKGjKqWGUYc1hFhzbckLZosfDFLAAZGEW8iNiz dRgml5ZcQ/6e4zu7cpSFLm+meiohaw9a+NNwPJ9s= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 44C8A60866 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: stanimir.varbanov@linaro.org, hverkuil@xs4all.nl, mchehab@kernel.org, robh@kernel.org, mark.rutland@arm.com, andy.gross@linaro.org, arnd@arndb.de, bjorn.andersson@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, acourbot@chromium.org, vgarodia@codeaurora.org Subject: [PATCH v9 4/5] venus: firmware: add no TZ boot and shutdown routine Date: Wed, 19 Sep 2018 05:13:11 +0530 Message-Id: <1537314192-26892-5-git-send-email-vgarodia@codeaurora.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1537314192-26892-1-git-send-email-vgarodia@codeaurora.org> References: <1537314192-26892-1-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 Video hardware is mainly comprised of vcodec subsystem and video control subsystem. Video control has ARM9 which executes the video firmware instructions whereas vcodec does the video frame processing. This change adds support to load the video firmware and bring ARM9 out of reset for platforms which does not have trustzone. An iommu domain is associated and managed with the firmware device. Signed-off-by: Vikash Garodia --- drivers/media/platform/qcom/venus/core.c | 6 +- drivers/media/platform/qcom/venus/core.h | 1 + drivers/media/platform/qcom/venus/firmware.c | 94 +++++++++++++++++++++++- drivers/media/platform/qcom/venus/firmware.h | 2 +- drivers/media/platform/qcom/venus/hfi_venus_io.h | 1 + 5 files changed, 97 insertions(+), 7 deletions(-) diff --git a/drivers/media/platform/qcom/venus/core.c b/drivers/media/platform/qcom/venus/core.c index 440f25f..3bd3b8a 100644 --- a/drivers/media/platform/qcom/venus/core.c +++ b/drivers/media/platform/qcom/venus/core.c @@ -76,7 +76,7 @@ static void venus_sys_error_handler(struct work_struct *work) hfi_core_deinit(core, true); hfi_destroy(core); mutex_lock(&core->lock); - venus_shutdown(core->dev); + venus_shutdown(core); pm_runtime_put_sync(core->dev); @@ -327,7 +327,7 @@ static int venus_probe(struct platform_device *pdev) err_core_deinit: hfi_core_deinit(core, false); err_venus_shutdown: - venus_shutdown(dev); + venus_shutdown(core); err_runtime_disable: pm_runtime_set_suspended(dev); pm_runtime_disable(dev); @@ -348,7 +348,7 @@ static int venus_remove(struct platform_device *pdev) WARN_ON(ret); hfi_destroy(core); - venus_shutdown(dev); + venus_shutdown(core); of_platform_depopulate(dev); venus_firmware_deinit(core); diff --git a/drivers/media/platform/qcom/venus/core.h b/drivers/media/platform/qcom/venus/core.h index 6f2c82d..baaa1cc 100644 --- a/drivers/media/platform/qcom/venus/core.h +++ b/drivers/media/platform/qcom/venus/core.h @@ -132,6 +132,7 @@ struct venus_core { struct device *dev_enc; struct video_firmware { struct device *dev; + struct iommu_domain *iommu_domain; } fw; bool no_tz; struct mutex lock; diff --git a/drivers/media/platform/qcom/venus/firmware.c b/drivers/media/platform/qcom/venus/firmware.c index f4d2b4b..3cf9313 100644 --- a/drivers/media/platform/qcom/venus/firmware.c +++ b/drivers/media/platform/qcom/venus/firmware.c @@ -15,6 +15,7 @@ #include #include #include +#include #include #include #include @@ -122,6 +123,56 @@ static int venus_load_fw(struct venus_core *core, const char *fwname, return ret; } +static int venus_boot_no_tz(struct venus_core *core, phys_addr_t mem_phys, + size_t mem_size) +{ + struct iommu_domain *iommu; + struct device *dev; + int ret; + + dev = core->fw.dev; + if (!dev) + return -EPROBE_DEFER; + + iommu = core->fw.iommu_domain; + + ret = iommu_map(iommu, VENUS_FW_START_ADDR, mem_phys, mem_size, + IOMMU_READ | IOMMU_WRITE | IOMMU_PRIV); + if (ret) { + dev_err(dev, "could not map video firmware region\n"); + return ret; + } + + venus_reset_cpu(core); + + return 0; +} + +static int venus_shutdown_no_tz(struct venus_core *core) +{ + struct iommu_domain *iommu; + size_t unmapped; + u32 reg; + struct device *dev = core->fw.dev; + void __iomem *base = core->base; + + /* Assert the reset to ARM9 */ + reg = readl_relaxed(base + WRAPPER_A9SS_SW_RESET); + reg |= WRAPPER_A9SS_SW_RESET_BIT; + writel_relaxed(reg, base + WRAPPER_A9SS_SW_RESET); + + /* Make sure reset is asserted before the mapping is removed */ + mb(); + + iommu = core->fw.iommu_domain; + + unmapped = iommu_unmap(iommu, VENUS_FW_START_ADDR, VENUS_FW_MEM_SIZE); + if (unmapped != VENUS_FW_MEM_SIZE) + dev_err(dev, "failed to unmap firmware\n"); + + return 0; +} + int venus_boot(struct venus_core *core) { struct device *dev = core->dev; @@ -139,17 +190,30 @@ int venus_boot(struct venus_core *core) return -EINVAL; } - return qcom_scm_pas_auth_and_reset(VENUS_PAS_ID); + if (core->no_tz) + ret = venus_boot_no_tz(core, mem_phys, mem_size); + else + ret = qcom_scm_pas_auth_and_reset(VENUS_PAS_ID); + + return ret; } -int venus_shutdown(struct device *dev) +int venus_shutdown(struct venus_core *core) { - return qcom_scm_pas_shutdown(VENUS_PAS_ID); + int ret; + + if (core->no_tz) + ret = venus_shutdown_no_tz(core); + else + ret = qcom_scm_pas_shutdown(VENUS_PAS_ID); + + return ret; } int venus_firmware_init(struct venus_core *core) { struct platform_device_info info; + struct iommu_domain *iommu_dom; struct platform_device *pdev; struct device_node *np; int ret; @@ -179,12 +243,29 @@ int venus_firmware_init(struct venus_core *core) } core->fw.dev = &pdev->dev; + + iommu_dom = iommu_domain_alloc(&platform_bus_type); + if (!iommu_dom) { + dev_err(core->fw.dev, "Failed to allocate iommu domain\n"); + ret = -ENOMEM; + goto err_unregister; + } + + ret = iommu_attach_device(iommu_dom, core->fw.dev); + if (ret) { + dev_err(core->fw.dev, "could not attach device\n"); + goto err_iommu_free; + } + core->no_tz = true; + core->fw.iommu_domain = iommu_dom; of_node_put(np); return 0; +err_iommu_free: + iommu_domain_free(iommu_dom); err_unregister: platform_device_unregister(pdev); of_node_put(np); @@ -193,8 +274,15 @@ int venus_firmware_init(struct venus_core *core) void venus_firmware_deinit(struct venus_core *core) { + struct iommu_domain *iommu; + if (!core->fw.dev) return; + iommu = core->fw.iommu_domain; + + iommu_detach_device(iommu, core->fw.dev); + iommu_domain_free(iommu); + platform_device_unregister(to_platform_device(core->fw.dev)); } diff --git a/drivers/media/platform/qcom/venus/firmware.h b/drivers/media/platform/qcom/venus/firmware.h index fd7edf0..119a9a4 100644 --- a/drivers/media/platform/qcom/venus/firmware.h +++ b/drivers/media/platform/qcom/venus/firmware.h @@ -19,7 +19,7 @@ int venus_firmware_init(struct venus_core *core); void venus_firmware_deinit(struct venus_core *core); int venus_boot(struct venus_core *core); -int venus_shutdown(struct device *dev); +int venus_shutdown(struct venus_core *core); int venus_set_hw_state(struct venus_core *core, bool suspend); static inline int venus_set_hw_state_suspend(struct venus_core *core) diff --git a/drivers/media/platform/qcom/venus/hfi_venus_io.h b/drivers/media/platform/qcom/venus/hfi_venus_io.h index d69f51b..ef0c72a 100644 --- a/drivers/media/platform/qcom/venus/hfi_venus_io.h +++ b/drivers/media/platform/qcom/venus/hfi_venus_io.h @@ -119,6 +119,7 @@ #define WRAPPER_NONPIX_START_ADDR (WRAPPER_BASE + 0x1030) #define WRAPPER_NONPIX_END_ADDR (WRAPPER_BASE + 0x1034) #define WRAPPER_A9SS_SW_RESET (WRAPPER_BASE + 0x3000) +#define WRAPPER_A9SS_SW_RESET_BIT BIT(4) /* Venus 4xx */ #define WRAPPER_VCODEC0_MMCC_POWER_STATUS (WRAPPER_BASE + 0x90) From patchwork Tue Sep 18 23:43:12 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vikash Garodia X-Patchwork-Id: 10605049 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id D6CA1157B for ; Tue, 18 Sep 2018 23:44:19 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id C63F92BD23 for ; Tue, 18 Sep 2018 23:44:19 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id AEB902BD3E; Tue, 18 Sep 2018 23:44:19 +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=ham 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 596372BD27 for ; Tue, 18 Sep 2018 23:44:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730784AbeISFTL (ORCPT ); Wed, 19 Sep 2018 01:19:11 -0400 Received: from smtp.codeaurora.org ([198.145.29.96]:42516 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727099AbeISFTK (ORCPT ); Wed, 19 Sep 2018 01:19:10 -0400 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id 11CC960C4B; Tue, 18 Sep 2018 23:44:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1537314251; bh=Zj8nR7mc9VOQNq+J7BKyEKm79z8yGhTaVs3LLn79rK4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=lM4nekjiqfztx9WpY0BC2SEtnRtQMtFlvxetZ/pvLCLkmNtY66L/KSZ0gst94kz7h l1LG1V/1bgUvTCBnVhUhX3lD2he1p09paNoD5RzgIP7yG2GrM0Wp0uCXpSwiUxYWY+ dojDJDNS1pkglmKsRsnzi7wB0Zw7LAmnW2VO7JGc= 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 5AD2C60B73; Tue, 18 Sep 2018 23:43:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1537314240; bh=Zj8nR7mc9VOQNq+J7BKyEKm79z8yGhTaVs3LLn79rK4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=VJgXtT9QB+zfT9rlvWosO/V17mVc56njCJGK3ZqdYM6YA98RWLuDHJlOLIok1t9KR iqu/RlYxfzBp1Ux8mFdRAKiViR8JRcNAAhcPoQZvriMhYdo84tqdqM37im5UKQ72K7 w2GR/Fy5QjddkCjMISwKMHc70EUwPc2bYpmv4elY= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 5AD2C60B73 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: stanimir.varbanov@linaro.org, hverkuil@xs4all.nl, mchehab@kernel.org, robh@kernel.org, mark.rutland@arm.com, andy.gross@linaro.org, arnd@arndb.de, bjorn.andersson@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, acourbot@chromium.org, vgarodia@codeaurora.org Subject: [PATCH v9 5/5] dt-bindings: media: Document bindings for venus firmware device Date: Wed, 19 Sep 2018 05:13:12 +0530 Message-Id: <1537314192-26892-6-git-send-email-vgarodia@codeaurora.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1537314192-26892-1-git-send-email-vgarodia@codeaurora.org> References: <1537314192-26892-1-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 Add devicetree binding documentation for firmware loader for video hardware running on qualcomm chip. Signed-off-by: Vikash Garodia --- Documentation/devicetree/bindings/media/qcom,venus.txt | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/media/qcom,venus.txt b/Documentation/devicetree/bindings/media/qcom,venus.txt index 00d0d1b..7e04586 100644 --- a/Documentation/devicetree/bindings/media/qcom,venus.txt +++ b/Documentation/devicetree/bindings/media/qcom,venus.txt @@ -53,7 +53,7 @@ * Subnodes The Venus video-codec node must contain two subnodes representing -video-decoder and video-encoder. +video-decoder and video-encoder, and one optional firmware subnode. Every of video-encoder or video-decoder subnode should have: @@ -79,6 +79,13 @@ Every of video-encoder or video-decoder subnode should have: power domain which is responsible for collapsing and restoring power to the subcore. +The firmware subnode must have: + +- iommus: + Usage: required + Value type: + Definition: A list of phandle and IOMMU specifier pairs. + * An Example video-codec@1d00000 { compatible = "qcom,msm8916-venus"; @@ -105,4 +112,8 @@ Every of video-encoder or video-decoder subnode should have: clock-names = "core"; power-domains = <&mmcc VENUS_CORE1_GDSC>; }; + + video-firmware { + iommus = <&apps_iommu 0x10b2 0x0>; + }; };