From patchwork Thu Mar 11 18:09:31 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Robert Foss X-Patchwork-Id: 397955 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CE761C43619 for ; Thu, 11 Mar 2021 18:11:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8A88065031 for ; Thu, 11 Mar 2021 18:11:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230454AbhCKSKf (ORCPT ); Thu, 11 Mar 2021 13:10:35 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50772 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230266AbhCKSKJ (ORCPT ); Thu, 11 Mar 2021 13:10:09 -0500 Received: from mail-ej1-x631.google.com (mail-ej1-x631.google.com [IPv6:2a00:1450:4864:20::631]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 94EC6C061762 for ; Thu, 11 Mar 2021 10:10:08 -0800 (PST) Received: by mail-ej1-x631.google.com with SMTP id lr13so48201811ejb.8 for ; Thu, 11 Mar 2021 10:10:08 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=oI5L2jod65aUY+FcrIuvwk99iIBoy2Yj0U+LOKNeS8g=; b=UKlcRzrCOXLiUBRrrTut6iOZ/aLEN9NVLmCeU5ZcJOG3WwW+aI3k0HK1YHHl17Gdqv P8oXbFGolYfEbvTfhhWbrddCEDuquO35t/3/7O6a1HRxQ8tDhgxW1IUUBZf76Bn159EO 2CqJ/wjjzRvzCe82sfzIGdARrDsrs4/do/l5JYpBI1AakWMuh40iardZB1zf3fDhk7RA 47UT8xbSltiq2QGA3JSqy/bHq0FgnxG9SFqb6bgoNTkBUQJb4NTNeJb+ESAFG9Cu0bKw ZG7zSKMi17D3eS6t+GgrtqktKMPUD4fhuwWtHQc7yf7pQMHCpv3iXoBY05zv/h8OaqPW IXqw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=oI5L2jod65aUY+FcrIuvwk99iIBoy2Yj0U+LOKNeS8g=; b=jSyRBp5m7nKLVJ5D4yVSPZvweNIxmKHpVUAs5x150K4pfrldaFrev+K7gG9w2EfuT7 QMD5l7zCwxvVI3c1Sfc0p4bv9MeVMqKArClT2Zd2k81+Xy6FfH3wkzHJBXsJVPSoQbBT JK1y1LIPIMRv42Vx4fKQFvzMxVc6vDyK2/OczUw02lKO8WnvPxAKfKXRA2ZlE9sq/Nrr pzKJ1olTJygGw+yPrtyTtDc4OCBf18PgkfZbSIGIv14ZTxWkHx+p418k9EIjnc6R7j+e NRRI/kuXtd75QJ7AXDfxLwuHlcLTBs6U3mNLFRfG8v2tAYwdetoHyrCaMEEMroTpnFnw RMiQ== X-Gm-Message-State: AOAM533yB0C7uZ49eTFwCvDzGY84gnvbsTvh5KXYT1868yR1cUbpFPER /NvANxGUucx+w9IlbzC7JjNvdA== X-Google-Smtp-Source: ABdhPJwgvYew5tsT7Y2hCz+ZCEEkjTd/Ze1IvcFByHtIIzcDtth0v3W3nkjcZY0/+kxAJ4aBHJPckA== X-Received: by 2002:a17:907:216a:: with SMTP id rl10mr4298674ejb.365.1615486207157; Thu, 11 Mar 2021 10:10:07 -0800 (PST) Received: from localhost.localdomain ([2a02:2454:3e3:5f00:8e01:34c:da50:eb7e]) by smtp.gmail.com with ESMTPSA id a22sm1741290ejr.89.2021.03.11.10.10.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 11 Mar 2021 10:10:06 -0800 (PST) From: Robert Foss To: agross@kernel.org, bjorn.andersson@linaro.org, robert.foss@linaro.org, todor.too@gmail.com, mchehab@kernel.org, robh+dt@kernel.org, angelogioacchino.delregno@somainline.org, linux-arm-msm@vger.kernel.org, linux-media@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, AngeloGioacchino Del Regno , Sakari Ailus , Andrey Konovalov , Hans Verkuil Cc: Rob Herring , Tomasz Figa , Azam Sadiq Pasha Kapatrala Syed , Sarvesh Sridutt , Laurent Pinchart , Jonathan Marek Subject: [PATCH v7 05/22] media: camss: Make ISPIF subdevice optional Date: Thu, 11 Mar 2021 19:09:31 +0100 Message-Id: <20210311180948.268343-6-robert.foss@linaro.org> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20210311180948.268343-1-robert.foss@linaro.org> References: <20210311180948.268343-1-robert.foss@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org This driver supports multiple architecture versions of the Qualcomm ISP. The CAMSS architecure which this driver is name after, and with the introduction of this series, the Titan architecture. The ISPIF is an IP-block that is only present in the CAMSS generation of the architecture. In order to support the Titan generation, make the ISPIF an optional subdevice. Signed-off-by: Robert Foss Reviewed-by: Andrey Konovalov --- Changes since v1: - Björn: Improved commit message - Björn: Use local 'dev' ptr instead of 'camss->dev' - Björn: Remove res/ispif NULL checks - Björn: Remove ispif NULL checks before calling msm_ispif_unregister_entities() - Andrey: Fixed incorrect allocation size Changes since v4: - Andrey: Remove !camss->ispif conditional from camss.c - Andrey: Fix !camss->ispif in camss-ispif.c - Move !camss->ispif check to msm_ispif_subdev_init() Changes since v5: - Andrey: Added r-b .../media/platform/qcom/camss/camss-ispif.c | 119 +++++++++++------- .../media/platform/qcom/camss/camss-ispif.h | 3 +- drivers/media/platform/qcom/camss/camss.c | 99 ++++++++++----- drivers/media/platform/qcom/camss/camss.h | 2 +- 4 files changed, 139 insertions(+), 84 deletions(-) diff --git a/drivers/media/platform/qcom/camss/camss-ispif.c b/drivers/media/platform/qcom/camss/camss-ispif.c index adeb92808998..fc121da4ab0c 100644 --- a/drivers/media/platform/qcom/camss/camss-ispif.c +++ b/drivers/media/platform/qcom/camss/camss-ispif.c @@ -161,6 +161,7 @@ static const u32 ispif_formats_8x96[] = { static irqreturn_t ispif_isr_8x96(int irq, void *dev) { struct ispif_device *ispif = dev; + struct camss *camss = ispif->camss; u32 value0, value1, value2, value3, value4, value5; value0 = readl_relaxed(ispif->base + ISPIF_VFE_m_IRQ_STATUS_0(0)); @@ -186,34 +187,34 @@ static irqreturn_t ispif_isr_8x96(int irq, void *dev) complete(&ispif->reset_complete[1]); if (unlikely(value0 & ISPIF_VFE_m_IRQ_STATUS_0_PIX0_OVERFLOW)) - dev_err_ratelimited(to_device(ispif), "VFE0 pix0 overflow\n"); + dev_err_ratelimited(camss->dev, "VFE0 pix0 overflow\n"); if (unlikely(value0 & ISPIF_VFE_m_IRQ_STATUS_0_RDI0_OVERFLOW)) - dev_err_ratelimited(to_device(ispif), "VFE0 rdi0 overflow\n"); + dev_err_ratelimited(camss->dev, "VFE0 rdi0 overflow\n"); if (unlikely(value1 & ISPIF_VFE_m_IRQ_STATUS_1_PIX1_OVERFLOW)) - dev_err_ratelimited(to_device(ispif), "VFE0 pix1 overflow\n"); + dev_err_ratelimited(camss->dev, "VFE0 pix1 overflow\n"); if (unlikely(value1 & ISPIF_VFE_m_IRQ_STATUS_1_RDI1_OVERFLOW)) - dev_err_ratelimited(to_device(ispif), "VFE0 rdi1 overflow\n"); + dev_err_ratelimited(camss->dev, "VFE0 rdi1 overflow\n"); if (unlikely(value2 & ISPIF_VFE_m_IRQ_STATUS_2_RDI2_OVERFLOW)) - dev_err_ratelimited(to_device(ispif), "VFE0 rdi2 overflow\n"); + dev_err_ratelimited(camss->dev, "VFE0 rdi2 overflow\n"); if (unlikely(value3 & ISPIF_VFE_m_IRQ_STATUS_0_PIX0_OVERFLOW)) - dev_err_ratelimited(to_device(ispif), "VFE1 pix0 overflow\n"); + dev_err_ratelimited(camss->dev, "VFE1 pix0 overflow\n"); if (unlikely(value3 & ISPIF_VFE_m_IRQ_STATUS_0_RDI0_OVERFLOW)) - dev_err_ratelimited(to_device(ispif), "VFE1 rdi0 overflow\n"); + dev_err_ratelimited(camss->dev, "VFE1 rdi0 overflow\n"); if (unlikely(value4 & ISPIF_VFE_m_IRQ_STATUS_1_PIX1_OVERFLOW)) - dev_err_ratelimited(to_device(ispif), "VFE1 pix1 overflow\n"); + dev_err_ratelimited(camss->dev, "VFE1 pix1 overflow\n"); if (unlikely(value4 & ISPIF_VFE_m_IRQ_STATUS_1_RDI1_OVERFLOW)) - dev_err_ratelimited(to_device(ispif), "VFE1 rdi1 overflow\n"); + dev_err_ratelimited(camss->dev, "VFE1 rdi1 overflow\n"); if (unlikely(value5 & ISPIF_VFE_m_IRQ_STATUS_2_RDI2_OVERFLOW)) - dev_err_ratelimited(to_device(ispif), "VFE1 rdi2 overflow\n"); + dev_err_ratelimited(camss->dev, "VFE1 rdi2 overflow\n"); return IRQ_HANDLED; } @@ -228,6 +229,7 @@ static irqreturn_t ispif_isr_8x96(int irq, void *dev) static irqreturn_t ispif_isr_8x16(int irq, void *dev) { struct ispif_device *ispif = dev; + struct camss *camss = ispif->camss; u32 value0, value1, value2; value0 = readl_relaxed(ispif->base + ISPIF_VFE_m_IRQ_STATUS_0(0)); @@ -244,30 +246,32 @@ static irqreturn_t ispif_isr_8x16(int irq, void *dev) complete(&ispif->reset_complete[0]); if (unlikely(value0 & ISPIF_VFE_m_IRQ_STATUS_0_PIX0_OVERFLOW)) - dev_err_ratelimited(to_device(ispif), "VFE0 pix0 overflow\n"); + dev_err_ratelimited(camss->dev, "VFE0 pix0 overflow\n"); if (unlikely(value0 & ISPIF_VFE_m_IRQ_STATUS_0_RDI0_OVERFLOW)) - dev_err_ratelimited(to_device(ispif), "VFE0 rdi0 overflow\n"); + dev_err_ratelimited(camss->dev, "VFE0 rdi0 overflow\n"); if (unlikely(value1 & ISPIF_VFE_m_IRQ_STATUS_1_PIX1_OVERFLOW)) - dev_err_ratelimited(to_device(ispif), "VFE0 pix1 overflow\n"); + dev_err_ratelimited(camss->dev, "VFE0 pix1 overflow\n"); if (unlikely(value1 & ISPIF_VFE_m_IRQ_STATUS_1_RDI1_OVERFLOW)) - dev_err_ratelimited(to_device(ispif), "VFE0 rdi1 overflow\n"); + dev_err_ratelimited(camss->dev, "VFE0 rdi1 overflow\n"); if (unlikely(value2 & ISPIF_VFE_m_IRQ_STATUS_2_RDI2_OVERFLOW)) - dev_err_ratelimited(to_device(ispif), "VFE0 rdi2 overflow\n"); + dev_err_ratelimited(camss->dev, "VFE0 rdi2 overflow\n"); return IRQ_HANDLED; } static int ispif_vfe_reset(struct ispif_device *ispif, u8 vfe_id) { + struct camss *camss = ispif->camss; + unsigned long time; u32 val; - if (vfe_id > (to_camss(ispif)->vfe_num - 1)) { - dev_err(to_device(ispif), + if (vfe_id > (camss->vfe_num - 1)) { + dev_err(camss->dev, "Error: asked reset for invalid VFE%d\n", vfe_id); return -ENOENT; } @@ -300,7 +304,7 @@ static int ispif_vfe_reset(struct ispif_device *ispif, u8 vfe_id) time = wait_for_completion_timeout(&ispif->reset_complete[vfe_id], msecs_to_jiffies(ISPIF_RESET_TIMEOUT_MS)); if (!time) { - dev_err(to_device(ispif), + dev_err(camss->dev, "ISPIF for VFE%d reset timeout\n", vfe_id); return -EIO; } @@ -316,30 +320,31 @@ static int ispif_vfe_reset(struct ispif_device *ispif, u8 vfe_id) */ static int ispif_reset(struct ispif_device *ispif, u8 vfe_id) { + struct camss *camss = ispif->camss; int ret; - ret = camss_pm_domain_on(to_camss(ispif), PM_DOMAIN_VFE0); + ret = camss_pm_domain_on(camss, PM_DOMAIN_VFE0); if (ret < 0) return ret; - ret = camss_pm_domain_on(to_camss(ispif), PM_DOMAIN_VFE1); + ret = camss_pm_domain_on(camss, PM_DOMAIN_VFE1); if (ret < 0) return ret; ret = camss_enable_clocks(ispif->nclocks_for_reset, ispif->clock_for_reset, - to_device(ispif)); + camss->dev); if (ret < 0) return ret; ret = ispif_vfe_reset(ispif, vfe_id); if (ret) - dev_dbg(to_device(ispif), "ISPIF Reset failed\n"); + dev_dbg(camss->dev, "ISPIF Reset failed\n"); camss_disable_clocks(ispif->nclocks_for_reset, ispif->clock_for_reset); - camss_pm_domain_off(to_camss(ispif), PM_DOMAIN_VFE0); - camss_pm_domain_off(to_camss(ispif), PM_DOMAIN_VFE1); + camss_pm_domain_off(camss, PM_DOMAIN_VFE0); + camss_pm_domain_off(camss, PM_DOMAIN_VFE1); return ret; } @@ -355,7 +360,7 @@ static int ispif_set_power(struct v4l2_subdev *sd, int on) { struct ispif_line *line = v4l2_get_subdevdata(sd); struct ispif_device *ispif = line->ispif; - struct device *dev = to_device(ispif); + struct device *dev = ispif->camss->dev; int ret = 0; mutex_lock(&ispif->power_lock); @@ -505,7 +510,7 @@ static int ispif_validate_intf_status(struct ispif_device *ispif, } if ((val & 0xf) != 0xf) { - dev_err(to_device(ispif), "%s: ispif is busy: 0x%x\n", + dev_err(ispif->camss->dev, "%s: ispif is busy: 0x%x\n", __func__, val); ret = -EBUSY; } @@ -552,7 +557,7 @@ static int ispif_wait_for_stop(struct ispif_device *ispif, ISPIF_TIMEOUT_SLEEP_US, ISPIF_TIMEOUT_ALL_US); if (ret < 0) - dev_err(to_device(ispif), "%s: ispif stop timeout\n", + dev_err(ispif->camss->dev, "%s: ispif stop timeout\n", __func__); return ret; @@ -800,6 +805,7 @@ static int ispif_set_stream(struct v4l2_subdev *sd, int enable) { struct ispif_line *line = v4l2_get_subdevdata(sd); struct ispif_device *ispif = line->ispif; + struct camss *camss = ispif->camss; enum ispif_intf intf = line->interface; u8 csid = line->csid_id; u8 vfe = line->vfe_id; @@ -825,8 +831,8 @@ static int ispif_set_stream(struct v4l2_subdev *sd, int enable) ispif_select_csid(ispif, intf, csid, vfe, 1); ispif_select_cid(ispif, intf, cid, vfe, 1); ispif_config_irq(ispif, intf, vfe, 1); - if (to_camss(ispif)->version == CAMSS_8x96 || - to_camss(ispif)->version == CAMSS_660) + if (camss->version == CAMSS_8x96 || + camss->version == CAMSS_660) ispif_config_pack(ispif, line->fmt[MSM_ISPIF_PAD_SINK].code, intf, cid, vfe, 1); @@ -843,8 +849,8 @@ static int ispif_set_stream(struct v4l2_subdev *sd, int enable) return ret; mutex_lock(&ispif->config_lock); - if (to_camss(ispif)->version == CAMSS_8x96 || - to_camss(ispif)->version == CAMSS_660) + if (camss->version == CAMSS_8x96 || + camss->version == CAMSS_660) ispif_config_pack(ispif, line->fmt[MSM_ISPIF_PAD_SINK].code, intf, cid, vfe, 0); @@ -1088,26 +1094,32 @@ static int ispif_init_formats(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh) * * Return 0 on success or a negative error code otherwise */ -int msm_ispif_subdev_init(struct ispif_device *ispif, +int msm_ispif_subdev_init(struct camss *camss, const struct resources_ispif *res) { - struct device *dev = to_device(ispif); + struct device *dev = camss->dev; + struct ispif_device *ispif = camss->ispif; struct platform_device *pdev = to_platform_device(dev); struct resource *r; int i; int ret; + if (!camss->ispif) + return 0; + + ispif->camss = camss; + /* Number of ISPIF lines - same as number of CSID hardware modules */ - if (to_camss(ispif)->version == CAMSS_8x16) + if (camss->version == CAMSS_8x16) ispif->line_num = 2; - else if (to_camss(ispif)->version == CAMSS_8x96 || - to_camss(ispif)->version == CAMSS_660) + else if (camss->version == CAMSS_8x96 || + camss->version == CAMSS_660) ispif->line_num = 4; else return -EINVAL; - ispif->line = devm_kcalloc(dev, ispif->line_num, sizeof(*ispif->line), - GFP_KERNEL); + ispif->line = devm_kcalloc(dev, ispif->line_num, + sizeof(*ispif->line), GFP_KERNEL); if (!ispif->line) return -ENOMEM; @@ -1115,12 +1127,12 @@ int msm_ispif_subdev_init(struct ispif_device *ispif, ispif->line[i].ispif = ispif; ispif->line[i].id = i; - if (to_camss(ispif)->version == CAMSS_8x16) { + if (camss->version == CAMSS_8x16) { ispif->line[i].formats = ispif_formats_8x16; ispif->line[i].nformats = ARRAY_SIZE(ispif_formats_8x16); - } else if (to_camss(ispif)->version == CAMSS_8x96 || - to_camss(ispif)->version == CAMSS_660) { + } else if (camss->version == CAMSS_8x96 || + camss->version == CAMSS_660) { ispif->line[i].formats = ispif_formats_8x96; ispif->line[i].nformats = ARRAY_SIZE(ispif_formats_8x96); @@ -1157,15 +1169,16 @@ int msm_ispif_subdev_init(struct ispif_device *ispif, ispif->irq = r->start; snprintf(ispif->irq_name, sizeof(ispif->irq_name), "%s_%s", dev_name(dev), MSM_ISPIF_NAME); - if (to_camss(ispif)->version == CAMSS_8x16) + if (camss->version == CAMSS_8x16) ret = devm_request_irq(dev, ispif->irq, ispif_isr_8x16, IRQF_TRIGGER_RISING, ispif->irq_name, ispif); - else if (to_camss(ispif)->version == CAMSS_8x96 || - to_camss(ispif)->version == CAMSS_660) + else if (camss->version == CAMSS_8x96 || + camss->version == CAMSS_660) ret = devm_request_irq(dev, ispif->irq, ispif_isr_8x96, IRQF_TRIGGER_RISING, ispif->irq_name, ispif); else ret = -EINVAL; + if (ret < 0) { dev_err(dev, "request_irq failed: %d\n", ret); return ret; @@ -1331,10 +1344,15 @@ static const struct media_entity_operations ispif_media_ops = { int msm_ispif_register_entities(struct ispif_device *ispif, struct v4l2_device *v4l2_dev) { - struct device *dev = to_device(ispif); + struct camss *camss; int ret; int i; + if (!ispif) + return 0; + + camss = ispif->camss; + for (i = 0; i < ispif->line_num; i++) { struct v4l2_subdev *sd = &ispif->line[i].subdev; struct media_pad *pads = ispif->line[i].pads; @@ -1348,7 +1366,7 @@ int msm_ispif_register_entities(struct ispif_device *ispif, ret = ispif_init_formats(sd, NULL); if (ret < 0) { - dev_err(dev, "Failed to init format: %d\n", ret); + dev_err(camss->dev, "Failed to init format: %d\n", ret); goto error; } @@ -1360,13 +1378,15 @@ int msm_ispif_register_entities(struct ispif_device *ispif, ret = media_entity_pads_init(&sd->entity, MSM_ISPIF_PADS_NUM, pads); if (ret < 0) { - dev_err(dev, "Failed to init media entity: %d\n", ret); + dev_err(camss->dev, "Failed to init media entity: %d\n", + ret); goto error; } ret = v4l2_device_register_subdev(v4l2_dev, sd); if (ret < 0) { - dev_err(dev, "Failed to register subdev: %d\n", ret); + dev_err(camss->dev, "Failed to register subdev: %d\n", + ret); media_entity_cleanup(&sd->entity); goto error; } @@ -1393,6 +1413,9 @@ void msm_ispif_unregister_entities(struct ispif_device *ispif) { int i; + if (!ispif) + return; + mutex_destroy(&ispif->power_lock); mutex_destroy(&ispif->config_lock); diff --git a/drivers/media/platform/qcom/camss/camss-ispif.h b/drivers/media/platform/qcom/camss/camss-ispif.h index 4132174f7ea1..fdf28e68cc7d 100644 --- a/drivers/media/platform/qcom/camss/camss-ispif.h +++ b/drivers/media/platform/qcom/camss/camss-ispif.h @@ -63,11 +63,12 @@ struct ispif_device { struct mutex config_lock; unsigned int line_num; struct ispif_line *line; + struct camss *camss; }; struct resources_ispif; -int msm_ispif_subdev_init(struct ispif_device *ispif, +int msm_ispif_subdev_init(struct camss *camss, const struct resources_ispif *res); int msm_ispif_register_entities(struct ispif_device *ispif, diff --git a/drivers/media/platform/qcom/camss/camss.c b/drivers/media/platform/qcom/camss/camss.c index d82bbc2213a6..c8d1735e9d80 100644 --- a/drivers/media/platform/qcom/camss/camss.c +++ b/drivers/media/platform/qcom/camss/camss.c @@ -768,10 +768,10 @@ static int camss_init_subdevices(struct camss *camss) } } - ret = msm_ispif_subdev_init(&camss->ispif, ispif_res); + ret = msm_ispif_subdev_init(camss, ispif_res); if (ret < 0) { dev_err(camss->dev, "Failed to init ispif sub-device: %d\n", - ret); + ret); return ret; } @@ -821,10 +821,11 @@ static int camss_register_entities(struct camss *camss) } } - ret = msm_ispif_register_entities(&camss->ispif, &camss->v4l2_dev); + ret = msm_ispif_register_entities(camss->ispif, + &camss->v4l2_dev); if (ret < 0) { dev_err(camss->dev, "Failed to register ispif entities: %d\n", - ret); + ret); goto err_reg_ispif; } @@ -858,43 +859,64 @@ static int camss_register_entities(struct camss *camss) } } - for (i = 0; i < camss->csid_num; i++) { - for (j = 0; j < camss->ispif.line_num; j++) { - ret = media_create_pad_link( - &camss->csid[i].subdev.entity, - MSM_CSID_PAD_SRC, - &camss->ispif.line[j].subdev.entity, - MSM_ISPIF_PAD_SINK, - 0); - if (ret < 0) { - dev_err(camss->dev, - "Failed to link %s->%s entities: %d\n", - camss->csid[i].subdev.entity.name, - camss->ispif.line[j].subdev.entity.name, - ret); - goto err_link; - } - } - } - - for (i = 0; i < camss->ispif.line_num; i++) - for (k = 0; k < camss->vfe_num; k++) - for (j = 0; j < ARRAY_SIZE(camss->vfe[k].line); j++) { + if (camss->ispif) { + for (i = 0; i < camss->csid_num; i++) { + for (j = 0; j < camss->ispif->line_num; j++) { ret = media_create_pad_link( - &camss->ispif.line[i].subdev.entity, - MSM_ISPIF_PAD_SRC, - &camss->vfe[k].line[j].subdev.entity, - MSM_VFE_PAD_SINK, + &camss->csid[i].subdev.entity, + MSM_CSID_PAD_SRC, + &camss->ispif->line[j].subdev.entity, + MSM_ISPIF_PAD_SINK, 0); if (ret < 0) { dev_err(camss->dev, "Failed to link %s->%s entities: %d\n", - camss->ispif.line[i].subdev.entity.name, - camss->vfe[k].line[j].subdev.entity.name, + camss->csid[i].subdev.entity.name, + camss->ispif->line[j].subdev.entity.name, ret); goto err_link; } } + } + + for (i = 0; i < camss->ispif->line_num; i++) + for (k = 0; k < camss->vfe_num; k++) + for (j = 0; j < ARRAY_SIZE(camss->vfe[k].line); j++) { + ret = media_create_pad_link( + &camss->ispif->line[i].subdev.entity, + MSM_ISPIF_PAD_SRC, + &camss->vfe[k].line[j].subdev.entity, + MSM_VFE_PAD_SINK, + 0); + if (ret < 0) { + dev_err(camss->dev, + "Failed to link %s->%s entities: %d\n", + camss->ispif->line[i].subdev.entity.name, + camss->vfe[k].line[j].subdev.entity.name, + ret); + goto err_link; + } + } + } else { + for (i = 0; i < camss->csid_num; i++) + for (k = 0; k < camss->vfe_num; k++) + for (j = 0; j < ARRAY_SIZE(camss->vfe[k].line); j++) { + ret = media_create_pad_link( + &camss->csid[i].subdev.entity, + MSM_CSID_PAD_SRC, + &camss->vfe[k].line[j].subdev.entity, + MSM_VFE_PAD_SINK, + 0); + if (ret < 0) { + dev_err(camss->dev, + "Failed to link %s->%s entities: %d\n", + camss->csid[i].subdev.entity.name, + camss->vfe[k].line[j].subdev.entity.name, + ret); + goto err_link; + } + } + } return 0; @@ -904,8 +926,8 @@ static int camss_register_entities(struct camss *camss) for (i--; i >= 0; i--) msm_vfe_unregister_entities(&camss->vfe[i]); - msm_ispif_unregister_entities(&camss->ispif); err_reg_ispif: + msm_ispif_unregister_entities(camss->ispif); i = camss->csid_num; err_reg_csid: @@ -936,7 +958,7 @@ static void camss_unregister_entities(struct camss *camss) for (i = 0; i < camss->csid_num; i++) msm_csid_unregister_entity(&camss->csid[i]); - msm_ispif_unregister_entities(&camss->ispif); + msm_ispif_unregister_entities(camss->ispif); for (i = 0; i < camss->vfe_num; i++) msm_vfe_unregister_entities(&camss->vfe[i]); @@ -1067,6 +1089,15 @@ static int camss_probe(struct platform_device *pdev) goto err_free; } + if (camss->version == CAMSS_8x16 || + camss->version == CAMSS_8x96) { + camss->ispif = devm_kcalloc(dev, 1, sizeof(*camss->ispif), GFP_KERNEL); + if (!camss->ispif) { + ret = -ENOMEM; + goto err_free; + } + } + camss->vfe = devm_kcalloc(dev, camss->vfe_num, sizeof(*camss->vfe), GFP_KERNEL); if (!camss->vfe) { diff --git a/drivers/media/platform/qcom/camss/camss.h b/drivers/media/platform/qcom/camss/camss.h index 63b35ea2ca36..0f8f77801001 100644 --- a/drivers/media/platform/qcom/camss/camss.h +++ b/drivers/media/platform/qcom/camss/camss.h @@ -79,7 +79,7 @@ struct camss { struct csiphy_device *csiphy; int csid_num; struct csid_device *csid; - struct ispif_device ispif; + struct ispif_device *ispif; int vfe_num; struct vfe_device *vfe; atomic_t ref_count;