From patchwork Thu Jun 17 16:27:39 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Heiko Stuebner X-Patchwork-Id: 12328829 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=-16.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,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 CC4FDC49EBB for ; Thu, 17 Jun 2021 16:28:09 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 5FF51613BA for ; Thu, 17 Jun 2021 16:28:09 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5FF51613BA Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=sntech.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=PfTThFClgmZF2Y+0yAXKk0vm5x3721IBmBzvlfKuIAs=; b=CwoT8NfNa8vyLF np3BP0VdZwxADJp56bLuTdfU/stFbgfAW2qSxO/yrGZKrCnth2HxXFDzwwxU4vchXodeknejFhQkb xelpnN+8p3YwdP+TbNDv0FFmD2Iata6ww2JW+YXBod/9doaOe6TAnb+NkL6jrEbtmHIXeLrGMlckS nUxP4xQKVmKMyzDuqo1xR3s49wv69MRF+tZBCjxcCY9nKdzLJdU0l6eV8eEx2OYyDZhnhPTMzFt05 IGbbsWQVzi7UsagKgX8lJvL0Ov6Jgw1yVRNgymezgurZyvAwcP1lduau3zDXwEsukqQ3zNkP1wnoU F40hZFnAwuH55qWolM0Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1ltusA-00B6B8-Bl; Thu, 17 Jun 2021 16:28:06 +0000 Received: from gloria.sntech.de ([185.11.138.130]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1ltus0-00B629-7x for linux-rockchip@lists.infradead.org; Thu, 17 Jun 2021 16:27:59 +0000 Received: from ip5f5aa64a.dynamic.kabel-deutschland.de ([95.90.166.74] helo=phil.lan) by gloria.sntech.de with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1ltury-00057p-C0; Thu, 17 Jun 2021 18:27:54 +0200 From: Heiko Stuebner To: mchehab@kernel.org, hverkuil-cisco@xs4all.nl Cc: ezequiel@collabora.com, dafna.hirschfeld@collabora.com, helen.koike@collabora.com, Laurent.pinchart@ideasonboard.com, linux-rockchip@lists.infradead.org, linux-media@vger.kernel.org, heiko@sntech.de, robh+dt@kernel.org, devicetree@vger.kernel.org, Heiko Stuebner Subject: [PATCH v5 04/10] media: rockchip: rkisp1: allow separate interrupts Date: Thu, 17 Jun 2021 18:27:39 +0200 Message-Id: <20210617162745.4080975-5-heiko@sntech.de> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210617162745.4080975-1-heiko@sntech.de> References: <20210617162745.4080975-1-heiko@sntech.de> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210617_092756_478662_B3601F6B X-CRM114-Status: GOOD ( 21.21 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org From: Heiko Stuebner Depending on the per-soc implementation there can be one interrupt for isp, mipi and capture events or separate per-event interrupts. So simply check for the presence of a named "mi" interrupt to differentiate between the two cases. Signed-off-by: Heiko Stuebner Reviewed-by: Dafna Hirschfeld --- .../platform/rockchip/rkisp1/rkisp1-capture.c | 9 +++- .../platform/rockchip/rkisp1/rkisp1-common.h | 7 +-- .../platform/rockchip/rkisp1/rkisp1-dev.c | 44 ++++++++++++------- .../platform/rockchip/rkisp1/rkisp1-isp.c | 16 +++++-- 4 files changed, 53 insertions(+), 23 deletions(-) diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-capture.c b/drivers/media/platform/rockchip/rkisp1/rkisp1-capture.c index 5f6c9d1623e4..f70c66c2a1d7 100644 --- a/drivers/media/platform/rockchip/rkisp1/rkisp1-capture.c +++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-capture.c @@ -685,12 +685,17 @@ static void rkisp1_handle_buffer(struct rkisp1_capture *cap) spin_unlock(&cap->buf.lock); } -void rkisp1_capture_isr(struct rkisp1_device *rkisp1) +irqreturn_t rkisp1_capture_isr(int irq, void *ctx) { + struct device *dev = ctx; + struct rkisp1_device *rkisp1 = dev_get_drvdata(dev); unsigned int i; u32 status; status = rkisp1_read(rkisp1, RKISP1_CIF_MI_MIS); + if (!status) + return IRQ_NONE; + rkisp1_write(rkisp1, status, RKISP1_CIF_MI_ICR); for (i = 0; i < ARRAY_SIZE(rkisp1->capture_devs); ++i) { @@ -718,6 +723,8 @@ void rkisp1_capture_isr(struct rkisp1_device *rkisp1) cap->is_streaming = false; wake_up(&cap->done); } + + return IRQ_HANDLED; } /* ---------------------------------------------------------------------------- diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-common.h b/drivers/media/platform/rockchip/rkisp1/rkisp1-common.h index be8a350c7527..25dd5c93620e 100644 --- a/drivers/media/platform/rockchip/rkisp1/rkisp1-common.h +++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-common.h @@ -12,6 +12,7 @@ #define _RKISP1_COMMON_H #include +#include #include #include #include @@ -459,9 +460,9 @@ void rkisp1_params_configure(struct rkisp1_params *params, void rkisp1_params_disable(struct rkisp1_params *params); /* irq handlers */ -void rkisp1_isp_isr(struct rkisp1_device *rkisp1); -void rkisp1_mipi_isr(struct rkisp1_device *rkisp1); -void rkisp1_capture_isr(struct rkisp1_device *rkisp1); +irqreturn_t rkisp1_isp_isr(int irq, void *ctx); +irqreturn_t rkisp1_mipi_isr(int irq, void *ctx); +irqreturn_t rkisp1_capture_isr(int irq, void *ctx); void rkisp1_stats_isr(struct rkisp1_stats *stats, u32 isp_ris); void rkisp1_params_isr(struct rkisp1_device *rkisp1); diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c b/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c index 7afa4c123834..a14a0bc39fb0 100644 --- a/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c +++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c @@ -101,9 +101,16 @@ * +-----------+ +-----------+ */ +struct rkisp1_isr_data { + const char *name; + irqreturn_t (*isr)(int irq, void *ctx); +}; + struct rkisp1_match_data { const char * const *clks; unsigned int size; + const struct rkisp1_isr_data *isrs; + unsigned int isr_size; enum rkisp1_cif_isp_version isp_ver; }; @@ -385,18 +392,15 @@ static int rkisp1_entities_register(struct rkisp1_device *rkisp1) static irqreturn_t rkisp1_isr(int irq, void *ctx) { - struct device *dev = ctx; - struct rkisp1_device *rkisp1 = dev_get_drvdata(dev); - /* * Call rkisp1_capture_isr() first to handle the frame that * potentially completed using the current frame_sequence number before * it is potentially incremented by rkisp1_isp_isr() in the vertical * sync. */ - rkisp1_capture_isr(rkisp1); - rkisp1_isp_isr(rkisp1); - rkisp1_mipi_isr(rkisp1); + rkisp1_capture_isr(irq, ctx); + rkisp1_isp_isr(irq, ctx); + rkisp1_mipi_isr(irq, ctx); return IRQ_HANDLED; } @@ -407,9 +411,15 @@ static const char * const rk3399_isp_clks[] = { "hclk", }; +static const struct rkisp1_isr_data rk3399_isp_isrs[] = { + { NULL, rkisp1_isr }, +}; + static const struct rkisp1_match_data rk3399_isp_match_data = { .clks = rk3399_isp_clks, .size = ARRAY_SIZE(rk3399_isp_clks), + .isrs = rk3399_isp_isrs, + .isr_size = ARRAY_SIZE(rk3399_isp_isrs), .isp_ver = RKISP1_V10, }; @@ -478,15 +488,19 @@ static int rkisp1_probe(struct platform_device *pdev) if (IS_ERR(rkisp1->base_addr)) return PTR_ERR(rkisp1->base_addr); - irq = platform_get_irq(pdev, 0); - if (irq < 0) - return irq; - - ret = devm_request_irq(dev, irq, rkisp1_isr, IRQF_SHARED, - dev_driver_string(dev), dev); - if (ret) { - dev_err(dev, "request irq failed: %d\n", ret); - return ret; + for (i = 0; i < match_data->isr_size; i++) { + irq = (match_data->isrs[i].name) ? + platform_get_irq_byname(pdev, match_data->isrs[i].name) : + platform_get_irq(pdev, i); + if (irq < 0) + return irq; + + ret = devm_request_irq(dev, irq, match_data->isrs[i].isr, IRQF_SHARED, + dev_driver_string(dev), dev); + if (ret) { + dev_err(dev, "request irq failed: %d\n", ret); + return ret; + } } for (i = 0; i < match_data->size; i++) diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-isp.c b/drivers/media/platform/rockchip/rkisp1/rkisp1-isp.c index 2e5b57e3aedc..1de98e688008 100644 --- a/drivers/media/platform/rockchip/rkisp1/rkisp1-isp.c +++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-isp.c @@ -1090,13 +1090,15 @@ void rkisp1_isp_unregister(struct rkisp1_device *rkisp1) * Interrupt handlers */ -void rkisp1_mipi_isr(struct rkisp1_device *rkisp1) +irqreturn_t rkisp1_mipi_isr(int irq, void *ctx) { + struct device *dev = ctx; + struct rkisp1_device *rkisp1 = dev_get_drvdata(dev); u32 val, status; status = rkisp1_read(rkisp1, RKISP1_CIF_MIPI_MIS); if (!status) - return; + return IRQ_NONE; rkisp1_write(rkisp1, status, RKISP1_CIF_MIPI_ICR); @@ -1131,6 +1133,8 @@ void rkisp1_mipi_isr(struct rkisp1_device *rkisp1) } else { rkisp1->debug.mipi_error++; } + + return IRQ_HANDLED; } static void rkisp1_isp_queue_event_sof(struct rkisp1_isp *isp) @@ -1143,13 +1147,15 @@ static void rkisp1_isp_queue_event_sof(struct rkisp1_isp *isp) v4l2_event_queue(isp->sd.devnode, &event); } -void rkisp1_isp_isr(struct rkisp1_device *rkisp1) +irqreturn_t rkisp1_isp_isr(int irq, void *ctx) { + struct device *dev = ctx; + struct rkisp1_device *rkisp1 = dev_get_drvdata(dev); u32 status, isp_err; status = rkisp1_read(rkisp1, RKISP1_CIF_ISP_MIS); if (!status) - return; + return IRQ_NONE; rkisp1_write(rkisp1, status, RKISP1_CIF_ISP_ICR); @@ -1191,4 +1197,6 @@ void rkisp1_isp_isr(struct rkisp1_device *rkisp1) */ rkisp1_params_isr(rkisp1); } + + return IRQ_HANDLED; }