From patchwork Wed Jan 20 13:43:39 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Robert Foss X-Patchwork-Id: 367985 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 AD0BAC282C2 for ; Wed, 20 Jan 2021 21:09:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6CDEE235F7 for ; Wed, 20 Jan 2021 21:09:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729840AbhATUz2 (ORCPT ); Wed, 20 Jan 2021 15:55:28 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43588 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731364AbhATNqT (ORCPT ); Wed, 20 Jan 2021 08:46:19 -0500 Received: from mail-wr1-x429.google.com (mail-wr1-x429.google.com [IPv6:2a00:1450:4864:20::429]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 51B48C06179C for ; Wed, 20 Jan 2021 05:44:31 -0800 (PST) Received: by mail-wr1-x429.google.com with SMTP id a12so23128458wrv.8 for ; Wed, 20 Jan 2021 05:44:31 -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=yp8CaT35SeeZ+N2XKZ9UuUSpVHTq1yCMsxKgPDJ9oTY=; b=vNP2zm2yoKqEBWnd8iHAsJKhwdT7BRnWzGntw/tQDOan2mhYpRSD4hjuU0M/qTCvIo 6GE4/dclq+xsR2hoPH37HsHr4wUsHp7Nkdk68PYa3B/GN4ssdfWjFPOaP0EIloqtGQxY LVS2W/Oa3fXm+zn/AP2CNKmC59qs6SdnrYiU94PP3t5Tku3LDhZDjVLDXKJ5cW9kByaC vJmADUuGuyhSIFWIaaRgxsfCve2A5YHrR3d86842pr4lCBtQMdzD/fw1BORDGC68on5G M5ko++9QL9vMQWOHZtHqHTonU6E9vttDeDzKxfWeY9RawJ5vYX10BlBDFOWNTadSt+7W vJqA== 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=yp8CaT35SeeZ+N2XKZ9UuUSpVHTq1yCMsxKgPDJ9oTY=; b=XixUFRe2i1ubjfkqamVCtcOk7Rx2lZAdpKHS0jqbLSPO5Gao0lLO0pxY5c8ex9YBNp L6zr+KOW9pHZify2nVGIlk8A+b35d+28whw41mI7jUlgS85x6xvtLNtQeClCB7LSh5gb gynYiCSt9f7ti7RfOVcDknHSW84SvRqomydFJcawRPwDsnNYVNCXiL5BAakX9jbHASnd n51WPB+ASvwAcqvcGypMoZk9lLbKexvanjRde/cV0GSuZXaXB4vlWnquuuv3nD6RZVW6 G65Z+GPuk4UTCi1S4S8oG8Vm1ylVZoR1eISGyrkgmoQmW5ybFW+HUj6v4r7qb+9/F0eO oqZA== X-Gm-Message-State: AOAM5318UA+AIw3XW7GbIwgFE0KaSt+fgvSHBJwekHcYl4bJksJLN4nm KhpNID3f0LuN609HHf0gXR7v/w== X-Google-Smtp-Source: ABdhPJxeGmPMI7OIWNmenXjYFq7xYz9dT9j/mBeg/Y48fFvEtc5lABO8O6BSyhlfbkM7Fo/hL7cFlg== X-Received: by 2002:adf:dc8d:: with SMTP id r13mr9359851wrj.325.1611150269974; Wed, 20 Jan 2021 05:44:29 -0800 (PST) Received: from localhost.localdomain ([2a02:2450:102f:d6a:93b3:1f80:ae7b:a5c6]) by smtp.gmail.com with ESMTPSA id t67sm4224075wmt.28.2021.01.20.05.44.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 20 Jan 2021 05:44:29 -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, catalin.marinas@arm.com, will@kernel.org, shawnguo@kernel.org, leoyang.li@nxp.com, geert+renesas@glider.be, vkoul@kernel.org, Anson.Huang@nxp.com, michael@walle.cc, agx@sigxcpu.org, max.oss.09@gmail.com, linux-arm-msm@vger.kernel.org, linux-media@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, AngeloGioacchino Del Regno , Andrey Konovalov , Laurent Pinchart Cc: Tomasz Figa , Azam Sadiq Pasha Kapatrala Syed , Sarvesh Sridutt , Jonathan Marek Subject: [PATCH v2 04/22] media: camss: Make ISPIF subdevice optional Date: Wed, 20 Jan 2021 14:43:39 +0100 Message-Id: <20210120134357.1522254-4-robert.foss@linaro.org> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20210120134357.1522254-1-robert.foss@linaro.org> References: <20210120134357.1522254-1-robert.foss@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@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 --- 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 .../media/platform/qcom/camss/camss-ispif.c | 114 ++++++++++-------- .../media/platform/qcom/camss/camss-ispif.h | 3 +- drivers/media/platform/qcom/camss/camss.c | 111 +++++++++++------ drivers/media/platform/qcom/camss/camss.h | 2 +- 4 files changed, 142 insertions(+), 88 deletions(-) diff --git a/drivers/media/platform/qcom/camss/camss-ispif.c b/drivers/media/platform/qcom/camss/camss-ispif.c index adeb92808998..c36570042082 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 +1094,29 @@ 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; + 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 +1124,12 @@ 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 +1166,16 @@ 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 +1341,13 @@ 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 = ispif->camss; int ret; int i; + if (!ispif) + return 0; + 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 +1361,7 @@ 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 +1373,15 @@ 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 +1408,9 @@ 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 8fefce57bc49..b966de344b5b 100644 --- a/drivers/media/platform/qcom/camss/camss.c +++ b/drivers/media/platform/qcom/camss/camss.c @@ -748,11 +748,13 @@ static int camss_init_subdevices(struct camss *camss) } } - ret = msm_ispif_subdev_init(&camss->ispif, ispif_res); - if (ret < 0) { - dev_err(camss->dev, "Failed to init ispif sub-device: %d\n", + if (camss->ispif) { + ret = msm_ispif_subdev_init(camss, ispif_res); + if (ret < 0) { + dev_err(camss->dev, "Failed to init ispif sub-device: %d\n", ret); - return ret; + return ret; + } } for (i = 0; i < camss->vfe_num; i++) { @@ -801,11 +803,14 @@ static int camss_register_entities(struct camss *camss) } } - ret = msm_ispif_register_entities(&camss->ispif, &camss->v4l2_dev); - if (ret < 0) { - dev_err(camss->dev, "Failed to register ispif entities: %d\n", + if (camss->ispif) { + 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); - goto err_reg_ispif; + goto err_reg_ispif; + } } for (i = 0; i < camss->vfe_num; i++) { @@ -838,43 +843,64 @@ 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; @@ -884,8 +910,8 @@ 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: @@ -916,7 +942,7 @@ 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]); @@ -1047,6 +1073,15 @@ 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 46e986452824..b7ad8e9f68a8 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;