From patchwork Thu Jul 5 13:32:53 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Todor Tomov X-Patchwork-Id: 141167 Delivered-To: patch@linaro.org Received: by 2002:a2e:9754:0:0:0:0:0 with SMTP id f20-v6csp1953514ljj; Thu, 5 Jul 2018 06:38:45 -0700 (PDT) X-Google-Smtp-Source: AAOMgpcvBDNefT32nY4TeNOf5Xg9MGW9nJToxzQH7F8zvFB02z9kpakPjWFRE0NLbUn7VOfD6neQ X-Received: by 2002:a63:f18:: with SMTP id e24-v6mr5746064pgl.320.1530797925488; Thu, 05 Jul 2018 06:38:45 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1530797925; cv=none; d=google.com; s=arc-20160816; b=GqJeEkYNaTPwGZZ1ryery9gO1cfIN0R6imsbqFasd3ZFvkf1VKflKAUYEh2hVisaoK rkEtGQqXm8VEN7EDsAdA4Iic+ARNEkwD/7fRkbckBiFVJCS71fOx8Z8xL0jHXusJWPxm FZDv3aj7di0+GpMM0KHMxPIeaiCZMol64f1khRD9IN+dPNO/w4BQBOVANAgSTe9yg/7E s83niDxVETgy3wr4U6nBWc1qBVCwajlCZ7pM3kiUpk7FOG6ALla7rwcp6Di9FQC540O/ GmgDMZIZnSyhljLXWlO3ZCmBZg6zmdzhxPexdBIi6NM9O/g6JDrIS9L2+IEZrDJAkU55 lhpQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:references:in-reply-to:message-id:date :subject:cc:to:from:arc-authentication-results; bh=7G64XLcZtswUXajUSPXj84YTAsMIXIKfvoN2yhhVg1Q=; b=PcWcdw/4MDEEuHJ4sQOvBqgC+fqa1C8OFxQsM1B9hJLrKTPwABvLPRfwimyE73vYJ1 c8pm5ja5ASfatDI2Kwzo2i63Cacx+ZdTWaYeGKL3Gdc2MGeJecLIXvtLzliND0a/GzJQ mAbIm46BQkzCi1GHDf0qFxSpL7YAUYIwwBtFIpEeDNOnJj9FPgQPJd19ZlgoIo7sgP5U BlCtkkdUK7/mcEdhRfX0md6C/ZsHJUq/hb7g5dasYICUtMsQYQvoeB7JZ3ENOIl5B8Ut X4Xmc4aEVJ3ZF4Akivi4+D6eAZCwuewm4QWGnJ1kHrLPbd7jx0+K3ePc5A50D1FRG0qo h0lw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=linaro.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id l127-v6si5603415pgl.403.2018.07.05.06.38.45; Thu, 05 Jul 2018 06:38:45 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754298AbeGENhs (ORCPT + 31 others); Thu, 5 Jul 2018 09:37:48 -0400 Received: from ns.mm-sol.com ([37.157.136.199]:41290 "EHLO extserv.mm-sol.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753782AbeGENdW (ORCPT ); Thu, 5 Jul 2018 09:33:22 -0400 Received: from mms-0439.qualcomm.mm-sol.com (unknown [37.157.136.206]) by extserv.mm-sol.com (Postfix) with ESMTPSA id A583ACD5E; Thu, 5 Jul 2018 16:33:17 +0300 (EEST) From: Todor Tomov To: mchehab@kernel.org, sakari.ailus@linux.intel.com, hans.verkuil@cisco.com, laurent.pinchart+renesas@ideasonboard.com, linux-media@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Todor Tomov Subject: [PATCH v2 22/34] media: camss: ispif: Add support for 8x96 Date: Thu, 5 Jul 2018 16:32:53 +0300 Message-Id: <1530797585-8555-23-git-send-email-todor.tomov@linaro.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1530797585-8555-1-git-send-email-todor.tomov@linaro.org> References: <1530797585-8555-1-git-send-email-todor.tomov@linaro.org> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org ISPIF hardware modules on 8x16 and 8x96 are similar. However on 8x96 the ISPIF routes data to two VFE hardware modules. Add separate interrupt handler for 8x96 to handle the additional interrupts. Signed-off-by: Todor Tomov --- drivers/media/platform/qcom/camss/camss-ispif.c | 76 ++++++++++++++++++++++++- 1 file changed, 73 insertions(+), 3 deletions(-) -- 2.7.4 diff --git a/drivers/media/platform/qcom/camss/camss-ispif.c b/drivers/media/platform/qcom/camss/camss-ispif.c index 8b04f8a..b124cd3 100644 --- a/drivers/media/platform/qcom/camss/camss-ispif.c +++ b/drivers/media/platform/qcom/camss/camss-ispif.c @@ -116,13 +116,77 @@ static const u32 ispif_formats[] = { }; /* - * ispif_isr - ISPIF module interrupt handler + * ispif_isr_8x96 - ISPIF module interrupt handler for 8x96 * @irq: Interrupt line * @dev: ISPIF device * * Return IRQ_HANDLED on success */ -static irqreturn_t ispif_isr(int irq, void *dev) +static irqreturn_t ispif_isr_8x96(int irq, void *dev) +{ + struct ispif_device *ispif = dev; + u32 value0, value1, value2, value3, value4, value5; + + value0 = readl_relaxed(ispif->base + ISPIF_VFE_m_IRQ_STATUS_0(0)); + value1 = readl_relaxed(ispif->base + ISPIF_VFE_m_IRQ_STATUS_1(0)); + value2 = readl_relaxed(ispif->base + ISPIF_VFE_m_IRQ_STATUS_2(0)); + value3 = readl_relaxed(ispif->base + ISPIF_VFE_m_IRQ_STATUS_0(1)); + value4 = readl_relaxed(ispif->base + ISPIF_VFE_m_IRQ_STATUS_1(1)); + value5 = readl_relaxed(ispif->base + ISPIF_VFE_m_IRQ_STATUS_2(1)); + + writel_relaxed(value0, ispif->base + ISPIF_VFE_m_IRQ_CLEAR_0(0)); + writel_relaxed(value1, ispif->base + ISPIF_VFE_m_IRQ_CLEAR_1(0)); + writel_relaxed(value2, ispif->base + ISPIF_VFE_m_IRQ_CLEAR_2(0)); + writel_relaxed(value3, ispif->base + ISPIF_VFE_m_IRQ_CLEAR_0(1)); + writel_relaxed(value4, ispif->base + ISPIF_VFE_m_IRQ_CLEAR_1(1)); + writel_relaxed(value5, ispif->base + ISPIF_VFE_m_IRQ_CLEAR_2(1)); + + writel(0x1, ispif->base + ISPIF_IRQ_GLOBAL_CLEAR_CMD); + + if ((value0 >> 27) & 0x1) + complete(&ispif->reset_complete); + + if (unlikely(value0 & ISPIF_VFE_m_IRQ_STATUS_0_PIX0_OVERFLOW)) + dev_err_ratelimited(to_device(ispif), "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"); + + if (unlikely(value1 & ISPIF_VFE_m_IRQ_STATUS_1_PIX1_OVERFLOW)) + dev_err_ratelimited(to_device(ispif), "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"); + + if (unlikely(value2 & ISPIF_VFE_m_IRQ_STATUS_2_RDI2_OVERFLOW)) + dev_err_ratelimited(to_device(ispif), "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"); + + if (unlikely(value3 & ISPIF_VFE_m_IRQ_STATUS_0_RDI0_OVERFLOW)) + dev_err_ratelimited(to_device(ispif), "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"); + + if (unlikely(value4 & ISPIF_VFE_m_IRQ_STATUS_1_RDI1_OVERFLOW)) + dev_err_ratelimited(to_device(ispif), "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"); + + return IRQ_HANDLED; +} + +/* + * ispif_isr_8x16 - ISPIF module interrupt handler for 8x16 + * @irq: Interrupt line + * @dev: ISPIF device + * + * Return IRQ_HANDLED on success + */ +static irqreturn_t ispif_isr_8x16(int irq, void *dev) { struct ispif_device *ispif = dev; u32 value0, value1, value2; @@ -954,8 +1018,14 @@ 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); - ret = devm_request_irq(dev, ispif->irq, ispif_isr, + if (to_camss(ispif)->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) + 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;