From patchwork Wed Nov 27 07:51:50 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Damon Ding X-Patchwork-Id: 13886668 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 32CB7D609AD for ; Wed, 27 Nov 2024 07:55:59 +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=SEhDg9rHmTYp0/G3RBMQ6MQQVl5OmaS1wTcP0S+qTHU=; b=bRZqxknVFMhAl6 OhFKbksiV9EFbXGHdc7khgTIxVD7VOw4ioBdwQHFt8qKOzb9rm458432nL7pBvINiFT8+Dy9QCuUQ lXgL8/09KdQ8zPZRUbiHvzs9hF+ZbsStKSTh2BVTxgYKyhCkd4WkAvGGTUBU6/5HTcHezTlZMu18i bu+lTPj1AHhcqbCpFXsGATv1MAS2ZwpfvTZInS9Ol1uAn51NSvYym7q1Pixy53+lGwJhM7gCvGEnU C2+3t/o7NohlPMCIgV8447eLXrPWljIEIVd3Tjk297mT0Tq6aitS0fbkN9onVL9fntO0bhcK0cTvM CcUfnPFl80u3/tU4Faqw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tGCty-0000000CUyZ-3pM4; Wed, 27 Nov 2024 07:55:58 +0000 Received: from mail-m12752.qiye.163.com ([115.236.127.52]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tGCrA-0000000CUSZ-2X2D; Wed, 27 Nov 2024 07:53:05 +0000 Received: from zyb-HP-ProDesk-680-G2-MT.. (unknown [58.22.7.114]) by smtp.qiye.163.com (Hmail) with ESMTP id 3f86cd8e; Wed, 27 Nov 2024 15:52:59 +0800 (GMT+08:00) From: Damon Ding To: heiko@sntech.de Cc: robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, rfoss@kernel.org, vkoul@kernel.org, sebastian.reichel@collabora.com, cristian.ciocaltea@collabora.com, l.stach@pengutronix.de, andy.yan@rock-chips.com, hjc@rock-chips.com, algea.cao@rock-chips.com, kever.yang@rock-chips.com, dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, linux-phy@lists.infradead.org, Damon Ding Subject: [PATCH v1 03/10] drm/rockchip: analogix_dp: Add support for RK3588 Date: Wed, 27 Nov 2024 15:51:50 +0800 Message-Id: <20241127075157.856029-4-damon.ding@rock-chips.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241127075157.856029-1-damon.ding@rock-chips.com> References: <20241127075157.856029-1-damon.ding@rock-chips.com> MIME-Version: 1.0 X-HM-Spam-Status: e1kfGhgUHx5ZQUpXWQgPGg8OCBgUHx5ZQUlOS1dZFg8aDwILHllBWSg2Ly tZV1koWUFDSUNOT01LS0k3V1ktWUFJV1kPCRoVCBIfWUFZGkoeSVZLSRhLHUgfShpKGExWFRQJFh oXVRMBExYaEhckFA4PWVdZGBILWUFZTkNVSUlVTFVKSk9ZV1kWGg8SFR0UWUFZT0tIVUpLSUhCSE NVSktLVUpCS0tZBg++ X-HM-Tid: 0a936c9bf11003a3kunm3f86cd8e X-HM-MType: 1 X-HM-Sender-Digest: e1kMHhlZQR0aFwgeV1kSHx4VD1lBWUc6Py46Hyo4EDIvIy8hAQxCTRM1 CQkaChJVSlVKTEhJTUJIQkNKSENPVTMWGhIXVR8aFhQVVR8SFRw7CRQYEFYYExILCFUYFBZFWVdZ EgtZQVlOQ1VJSVVMVUpKT1lXWQgBWUFPTUpJNwY+ DKIM-Signature: a=rsa-sha256; b=fJ3zPtqZmoqzg6peZMgvxdKvjnwiDibrzpe/EIPL/D2xNq7cqkO86dU6K1ci/50pawJq2oE/f4+ZL49JAqRMquYwFZybCfvdgzWIpryB9WkkNNHuh7GqfiLO7gGtrU7dc3A6c5iRfj2m1N3eTqPBFvl+hMrvlEQvuo3NeAZ1AMA=; c=relaxed/relaxed; s=default; d=rock-chips.com; v=1; bh=WLNiq88ANBJPy615q4N0GWBZC6nUNXYDktxPXr3xPC8=; h=date:mime-version:subject:message-id:from; X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241126_235304_868164_91D228EB X-CRM114-Status: GOOD ( 14.47 ) X-BeenThere: linux-phy@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux Phy Mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-phy" Errors-To: linux-phy-bounces+linux-phy=archiver.kernel.org@lists.infradead.org RK3588 integrates the analogix eDP 1.3 TX controller IP and the HDMI/eDP TX Combo PHY based on a Samsung IP block. Add just the basic support for now, i.e. RGB output up to 4K@60Hz, without the tests of audio, PSR and other eDP 1.3 specific features. Signed-off-by: Damon Ding --- .../gpu/drm/rockchip/analogix_dp-rockchip.c | 41 +++++++++++++++++-- include/drm/bridge/analogix_dp.h | 3 +- 2 files changed, 40 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c b/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c index edb08a816c3f..e5792deb7885 100644 --- a/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c +++ b/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c @@ -51,10 +51,12 @@ struct rockchip_grf_reg_field { /** * struct rockchip_dp_chip_data - splite the grf setting of kind of chips * @lcdc_sel: grf register field of lcdc_sel + * @edp_mode: grf register field of edp_mode * @chip_type: specific chip type */ struct rockchip_dp_chip_data { const struct rockchip_grf_reg_field lcdc_sel; + const struct rockchip_grf_reg_field edp_mode; u32 chip_type; }; @@ -134,12 +136,21 @@ static int rockchip_dp_poweron(struct analogix_dp_plat_data *plat_data) return ret; } + ret = rockchip_grf_field_write(dp->grf, &dp->data->edp_mode, 1); + if (ret != 0) + DRM_DEV_ERROR(dp->dev, "failed to set edp mode %d\n", ret); + return ret; } static int rockchip_dp_powerdown(struct analogix_dp_plat_data *plat_data) { struct rockchip_dp_device *dp = pdata_encoder_to_dp(plat_data); + int ret; + + ret = rockchip_grf_field_write(dp->grf, &dp->data->edp_mode, 0); + if (ret != 0) + DRM_DEV_ERROR(dp->dev, "failed to set edp mode %d\n", ret); clk_disable_unprepare(dp->pclk); @@ -203,6 +214,10 @@ static void rockchip_dp_drm_encoder_enable(struct drm_encoder *encoder, struct rockchip_dp_device *dp = encoder_to_dp(encoder); struct drm_crtc *crtc; struct drm_crtc_state *old_crtc_state; + struct of_endpoint endpoint; + struct device_node *remote_port, *remote_port_parent; + char name[32]; + u32 port_id; int ret; crtc = rockchip_dp_drm_get_new_crtc(encoder, state); @@ -220,13 +235,27 @@ static void rockchip_dp_drm_encoder_enable(struct drm_encoder *encoder, return; } - ret = drm_of_encoder_active_endpoint_id(dp->dev->of_node, encoder); + ret = drm_of_encoder_active_endpoint(dp->dev->of_node, encoder, &endpoint); if (ret < 0) return; - DRM_DEV_DEBUG(dp->dev, "vop %s output to dp\n", (ret) ? "LIT" : "BIG"); + remote_port_parent = of_graph_get_remote_port_parent(endpoint.local_node); + if (remote_port_parent) { + if (of_get_child_by_name(remote_port_parent, "ports")) { + remote_port = of_graph_get_remote_port(endpoint.local_node); + of_property_read_u32(remote_port, "reg", &port_id); + of_node_put(remote_port); + sprintf(name, "%s vp%d", remote_port_parent->full_name, port_id); + } else { + sprintf(name, "%s %s", + remote_port_parent->full_name, endpoint.id ? "vopl" : "vopb"); + } + of_node_put(remote_port_parent); + + DRM_DEV_DEBUG(dp->dev, "%s output to edp\n", name); + } - ret = rockchip_grf_field_write(dp->grf, &dp->data->lcdc_sel, ret); + ret = rockchip_grf_field_write(dp->grf, &dp->data->lcdc_sel, endpoint.id); if (ret != 0) DRM_DEV_ERROR(dp->dev, "Could not write to GRF: %d\n", ret); @@ -474,9 +503,15 @@ static const struct rockchip_dp_chip_data rk3288_dp = { .lcdc_sel = GRF_REG_FIELD(0x025c, 5, 5), }; +static const struct rockchip_dp_chip_data rk3588_edp = { + .edp_mode = GRF_REG_FIELD(0x0000, 0, 0), + .chip_type = RK3588_EDP, +}; + static const struct of_device_id rockchip_dp_dt_ids[] = { {.compatible = "rockchip,rk3288-dp", .data = &rk3288_dp }, {.compatible = "rockchip,rk3399-edp", .data = &rk3399_edp }, + {.compatible = "rockchip,rk3588-edp", .data = &rk3588_edp }, {} }; MODULE_DEVICE_TABLE(of, rockchip_dp_dt_ids); diff --git a/include/drm/bridge/analogix_dp.h b/include/drm/bridge/analogix_dp.h index 6002c5666031..54086cb2d97d 100644 --- a/include/drm/bridge/analogix_dp.h +++ b/include/drm/bridge/analogix_dp.h @@ -15,11 +15,12 @@ enum analogix_dp_devtype { EXYNOS_DP, RK3288_DP, RK3399_EDP, + RK3588_EDP, }; static inline bool is_rockchip(enum analogix_dp_devtype type) { - return type == RK3288_DP || type == RK3399_EDP; + return type == RK3288_DP || type == RK3399_EDP || type == RK3588_EDP; } struct analogix_dp_plat_data {