From patchwork Wed Nov 29 09:27:51 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paul Elder X-Patchwork-Id: 13472531 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id AD2AFC4167B for ; Wed, 29 Nov 2023 09:29:11 +0000 (UTC) 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=xi+hxYXLMP7n39GcFZ3sk4UjyrrinScI96hPRylmjuA=; b=HAqFSnGfMrMnx0 Zmhh9Lu+9KKJJB0RV2e64wNAsmYDFhEmmy2pvvU8qyfAtuMCNHAL3RzwT/hV3sECmmcyM9h1rzfnP DyV5Q45RmMWS42/wxGDAmbBkaikYuMic+yQxLBWxtQbTBf/j4YblUZr1fpA8Hw8k9A2h8SK7qf+ZX TusLUKX6GcU/y7VX5V/MNfNRYdaRvpknD816zGAuCfHlrHH0k7vQBBeTr2w1DsWXFAZC3bw2XrsXD H03I60QTmus6sz/FiHCQaYZrLUpyO/jKBZ6NVs5B4i0tNsJyBlkWCdilmR/rWmZH8CdAgf07GVD9N smr1ObWAxwJG99LOkhgA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1r8Gs8-007e3Q-03; Wed, 29 Nov 2023 09:28:44 +0000 Received: from perceval.ideasonboard.com ([213.167.242.64]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1r8Grw-007drR-20; Wed, 29 Nov 2023 09:28:38 +0000 Received: from pyrite.hamster-moth.ts.net (h175-177-049-135.catv02.itscom.jp [175.177.49.135]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 16C1E2B6; Wed, 29 Nov 2023 10:27:50 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1701250075; bh=oa4m5DpOMCaBY/QaAYwsvf9sXsgsTIVlShtAgwCgyAg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=m0eEr3AZG6XIPYIMBYzgyeYnqNTZ9ix3rOpc3CnpqmLv3UBkfEPcSsF0YBAslwgEX bZgAIPcfocr8lVT//O9CE4MBoscwQ3Z/+tblYXPoGnHIAd5lD02zFVyf6fMQaQrpUH NJjXULzd87U9iFiDA7V9dk3XvdlF54O4SQQ7eaNI= From: Paul Elder To: linux-media@vger.kernel.org, linux-rockchip@lists.infradead.org, devicetree@vger.kernel.org Cc: kieran.bingham@ideasonboard.com, tomi.valkeinen@ideasonboard.com, umang.jain@ideasonboard.com, aford173@gmail.com, Paul Elder , Laurent Pinchart , Dafna Hirschfeld , Mauro Carvalho Chehab , Heiko Stuebner , linux-arm-kernel@lists.infradead.org (moderated list:ARM/Rockchip SoC support), linux-kernel@vger.kernel.org (open list) Subject: [PATCH v4 03/11] media: rkisp1: Support devices lacking self path Date: Wed, 29 Nov 2023 18:27:51 +0900 Message-Id: <20231129092759.242641-4-paul.elder@ideasonboard.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231129092759.242641-1-paul.elder@ideasonboard.com> References: <20231129092759.242641-1-paul.elder@ideasonboard.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231129_012832_837208_BB361292 X-CRM114-Status: GOOD ( 24.45 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Some versions of the ISP supported by the rkisp1 driver, such as the ISP in the i.MX8MP, lack the self path. Support those ISP versions by adding a self path feature flag, and massage the rest of the driver to support the lack of a self path. Signed-off-by: Paul Elder Reviewed-by: Laurent Pinchart Signed-off-by: Laurent Pinchart --- Changes since v3: - Document the feature bit - Reorder commit Changes since v2: - Simplify rkisp1_path_count() - Use the rkisp1_has_feature() macro .../platform/rockchip/rkisp1/rkisp1-capture.c | 9 ++++++--- .../platform/rockchip/rkisp1/rkisp1-common.h | 15 +++++++++++++++ .../media/platform/rockchip/rkisp1/rkisp1-dev.c | 9 ++++++--- .../platform/rockchip/rkisp1/rkisp1-resizer.c | 6 ++++-- 4 files changed, 31 insertions(+), 8 deletions(-) diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-capture.c b/drivers/media/platform/rockchip/rkisp1/rkisp1-capture.c index f8ce0322dde0..ab369baf8d1b 100644 --- a/drivers/media/platform/rockchip/rkisp1/rkisp1-capture.c +++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-capture.c @@ -730,6 +730,7 @@ irqreturn_t rkisp1_capture_isr(int irq, void *ctx) { struct device *dev = ctx; struct rkisp1_device *rkisp1 = dev_get_drvdata(dev); + unsigned int dev_count = rkisp1_path_count(rkisp1); unsigned int i; u32 status; @@ -739,7 +740,7 @@ irqreturn_t rkisp1_capture_isr(int irq, void *ctx) rkisp1_write(rkisp1, RKISP1_CIF_MI_ICR, status); - for (i = 0; i < ARRAY_SIZE(rkisp1->capture_devs); ++i) { + for (i = 0; i < dev_count; ++i) { struct rkisp1_capture *cap = &rkisp1->capture_devs[i]; if (!(status & RKISP1_CIF_MI_FRAME(cap))) @@ -896,6 +897,7 @@ static void rkisp1_cap_stream_enable(struct rkisp1_capture *cap) { struct rkisp1_device *rkisp1 = cap->rkisp1; struct rkisp1_capture *other = &rkisp1->capture_devs[cap->id ^ 1]; + bool has_self_path = rkisp1_has_feature(rkisp1, SELF_PATH); cap->ops->set_data_path(cap); cap->ops->config(cap); @@ -913,7 +915,7 @@ static void rkisp1_cap_stream_enable(struct rkisp1_capture *cap) * This's also required because the second FE maybe corrupt * especially when run at 120fps. */ - if (!other->is_streaming) { + if (!has_self_path || !other->is_streaming) { /* force cfg update */ rkisp1_write(rkisp1, RKISP1_CIF_MI_INIT, RKISP1_CIF_MI_INIT_SOFT_UPD); @@ -1506,10 +1508,11 @@ rkisp1_capture_init(struct rkisp1_device *rkisp1, enum rkisp1_stream_id id) int rkisp1_capture_devs_register(struct rkisp1_device *rkisp1) { + unsigned int dev_count = rkisp1_path_count(rkisp1); unsigned int i; int ret; - for (i = 0; i < ARRAY_SIZE(rkisp1->capture_devs); i++) { + for (i = 0; i < dev_count; i++) { struct rkisp1_capture *cap = &rkisp1->capture_devs[i]; rkisp1_capture_init(rkisp1, i); diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-common.h b/drivers/media/platform/rockchip/rkisp1/rkisp1-common.h index 48e6e332f061..e54cf14b72b1 100644 --- a/drivers/media/platform/rockchip/rkisp1/rkisp1-common.h +++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-common.h @@ -103,6 +103,7 @@ enum rkisp1_isp_pad { * * @RKISP1_FEATURE_MIPI_CSI2: The ISP has an internal MIPI CSI-2 receiver * @RKISP1_FEATURE_MAIN_STRIDE: The ISP supports configurable stride on the main path + * @RKISP1_FEATURE_SELF_PATH: The ISP has a self path * * The ISP features are stored in a bitmask in &rkisp1_info.features and allow * the driver to implement support for features present in some ISP versions @@ -111,6 +112,7 @@ enum rkisp1_isp_pad { enum rkisp1_feature { RKISP1_FEATURE_MIPI_CSI2 = BIT(0), RKISP1_FEATURE_MAIN_STRIDE = BIT(1), + RKISP1_FEATURE_SELF_PATH = BIT(2), }; #define rkisp1_has_feature(rkisp1, feature) \ @@ -520,6 +522,19 @@ int rkisp1_cap_enum_mbus_codes(struct rkisp1_capture *cap, */ const struct rkisp1_mbus_info *rkisp1_mbus_info_get_by_index(unsigned int index); +/* + * rkisp1_path_count - Return the number of paths supported by the device + * + * Some devices only have a main path, while other device have both a main path + * and a self path. This function returns the number of paths that this device + * has, based on the feature flags. It should be used insted of checking + * ARRAY_SIZE of capture_devs/resizer_devs. + */ +static inline unsigned int rkisp1_path_count(struct rkisp1_device *rkisp1) +{ + return rkisp1_has_feature(rkisp1, SELF_PATH) ? 2 : 1; +} + /* * rkisp1_sd_adjust_crop_rect - adjust a rectangle to fit into another rectangle. * diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c b/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c index c1985243b42e..7f5e2c6d1d73 100644 --- a/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c +++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c @@ -335,6 +335,7 @@ static const struct dev_pm_ops rkisp1_pm_ops = { static int rkisp1_create_links(struct rkisp1_device *rkisp1) { + unsigned int dev_count = rkisp1_path_count(rkisp1); unsigned int i; int ret; @@ -350,7 +351,7 @@ static int rkisp1_create_links(struct rkisp1_device *rkisp1) } /* create ISP->RSZ->CAP links */ - for (i = 0; i < 2; i++) { + for (i = 0; i < dev_count; i++) { struct media_entity *resizer = &rkisp1->resizer_devs[i].sd.entity; struct media_entity *capture = @@ -474,7 +475,8 @@ static const struct rkisp1_info px30_isp_info = { .isrs = px30_isp_isrs, .isr_size = ARRAY_SIZE(px30_isp_isrs), .isp_ver = RKISP1_V12, - .features = RKISP1_FEATURE_MIPI_CSI2, + .features = RKISP1_FEATURE_MIPI_CSI2 + | RKISP1_FEATURE_SELF_PATH, }; static const char * const rk3399_isp_clks[] = { @@ -493,7 +495,8 @@ static const struct rkisp1_info rk3399_isp_info = { .isrs = rk3399_isp_isrs, .isr_size = ARRAY_SIZE(rk3399_isp_isrs), .isp_ver = RKISP1_V10, - .features = RKISP1_FEATURE_MIPI_CSI2, + .features = RKISP1_FEATURE_MIPI_CSI2 + | RKISP1_FEATURE_SELF_PATH, }; static const struct of_device_id rkisp1_of_match[] = { diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-resizer.c b/drivers/media/platform/rockchip/rkisp1/rkisp1-resizer.c index 28ecc7347d54..12e735a8970f 100644 --- a/drivers/media/platform/rockchip/rkisp1/rkisp1-resizer.c +++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-resizer.c @@ -637,6 +637,7 @@ static int rkisp1_rsz_s_stream(struct v4l2_subdev *sd, int enable) struct rkisp1_device *rkisp1 = rsz->rkisp1; struct rkisp1_capture *other = &rkisp1->capture_devs[rsz->id ^ 1]; enum rkisp1_shadow_regs_when when = RKISP1_SHADOW_REGS_SYNC; + bool has_self_path = rkisp1_has_feature(rkisp1, SELF_PATH); struct v4l2_subdev_state *sd_state; if (!enable) { @@ -645,7 +646,7 @@ static int rkisp1_rsz_s_stream(struct v4l2_subdev *sd, int enable) return 0; } - if (other->is_streaming) + if (has_self_path && other->is_streaming) when = RKISP1_SHADOW_REGS_ASYNC; sd_state = v4l2_subdev_lock_and_get_active_state(sd); @@ -732,10 +733,11 @@ static int rkisp1_rsz_register(struct rkisp1_resizer *rsz) int rkisp1_resizer_devs_register(struct rkisp1_device *rkisp1) { + unsigned int dev_count = rkisp1_path_count(rkisp1); unsigned int i; int ret; - for (i = 0; i < ARRAY_SIZE(rkisp1->resizer_devs); i++) { + for (i = 0; i < dev_count; i++) { struct rkisp1_resizer *rsz = &rkisp1->resizer_devs[i]; rsz->rkisp1 = rkisp1;