From patchwork Tue Dec 10 23:06:14 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Cristian Ciocaltea X-Patchwork-Id: 13902438 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 1949EE7717F for ; Tue, 10 Dec 2024 23:09:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Cc:To:In-Reply-To:References :Message-Id:Content-Transfer-Encoding:Content-Type:MIME-Version:Subject:Date: From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=JaR6+Brs3pd0NtlNSJag2L3oiPiZIrfNCRJi3mRhwPg=; b=Ck5vOfOtc4yTGlOeWzvY5BhIt2 SAH4+Yz8RN4KKJRv3wt870qToYRB+njNUA2rsVGMZpwCqLjEPpszqawiGiuC/LZrbJmepDa6XXo+o UHWWAIy/A/Ia8z/5GBIEydlXz8VE/lK+NeMDTgGkRgbx7nqMEeVT12iPX+7DT5rBVUe0malJMUUUu k/g6JUu7Js4a+5f2hMXXzT5jzxJWAAtETM5T8aBbVH9DK9wGWIxljk995fszkrx+5fcnYzrX1ITNZ 0i8pyQnBYBVyGGN0GGXt05PA1qrYJevG8Ljfbes8K9YfhFceQN9NYMYh+DvfjqgM87MC+9weQEpKA hqm9WW6A==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tL9M5-0000000D75R-0yVk; Tue, 10 Dec 2024 23:09:25 +0000 Received: from bali.collaboradmins.com ([148.251.105.195]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tL9Jy-0000000D6O5-37p9; Tue, 10 Dec 2024 23:07:16 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1733872032; bh=3vdTlN4cRw+aqmcuxQVAud96wTtNxo35Ghla9Zs1JVY=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=k6EP2wqFuIePq1CgVzZjzljdItbbIVt2T75SCJrmSfRb5OHjlNt2ziM9hVVJZyk0Y 61MHOKsuZtETCbNvqY2H0BkKjksZRyznF8GadHzU7lfzFdEQvkAczd+xG9/E7C86nY VSJdJ4F3cCe2J0Hn/hj8PsiZhbJuAWYFjIsm9eule88ABzU3Lc/gHD5/2TaFa9AcGV DmZxnVFiraxP3PZ8HSRLC6fmRVP//rrFx9w5yTFfmzS0Fp4l6QwPBBbX0gL6wkLGoz Y06F1Wm5V2cvgIDqR/10W3FFYRPAnDQwNZQ4mDDQbS4gj3oLCNJyJ3kah4NndE92T7 KHrN1cFirIgNA== Received: from localhost (unknown [188.27.48.199]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (prime256v1) server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: cristicc) by bali.collaboradmins.com (Postfix) with ESMTPSA id 3BDB017E09B8; Wed, 11 Dec 2024 00:07:12 +0100 (CET) From: Cristian Ciocaltea Date: Wed, 11 Dec 2024 01:06:14 +0200 Subject: [PATCH v2 1/4] drm/rockchip: dw_hdmi_qp: Add support for RK3588 HDMI1 output MIME-Version: 1.0 Message-Id: <20241211-rk3588-hdmi1-v2-1-02cdca22ff68@collabora.com> References: <20241211-rk3588-hdmi1-v2-0-02cdca22ff68@collabora.com> In-Reply-To: <20241211-rk3588-hdmi1-v2-0-02cdca22ff68@collabora.com> To: Sandy Huang , =?utf-8?q?Heiko_St=C3=BCbner?= , Andy Yan , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: Alexandre ARNOUD , kernel@collabora.com, dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org X-Mailer: b4 0.14.2 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241210_150715_097253_06A62550 X-CRM114-Status: GOOD ( 18.73 ) 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 Provide the basic support required to enable the second HDMI TX port found on RK3588 SoC. Signed-off-by: Cristian Ciocaltea Reviewed-by: Dmitry Baryshkov --- drivers/gpu/drm/rockchip/dw_hdmi_qp-rockchip.c | 119 ++++++++++++++++++++----- 1 file changed, 96 insertions(+), 23 deletions(-) diff --git a/drivers/gpu/drm/rockchip/dw_hdmi_qp-rockchip.c b/drivers/gpu/drm/rockchip/dw_hdmi_qp-rockchip.c index c8b362cc2b95fd490029a9c0552ad9fbc5631d17..c36fc130b73440c9e3f2098f408a5cdd2f58e8ef 100644 --- a/drivers/gpu/drm/rockchip/dw_hdmi_qp-rockchip.c +++ b/drivers/gpu/drm/rockchip/dw_hdmi_qp-rockchip.c @@ -28,20 +28,26 @@ #define RK3588_GRF_SOC_CON2 0x0308 #define RK3588_HDMI0_HPD_INT_MSK BIT(13) #define RK3588_HDMI0_HPD_INT_CLR BIT(12) +#define RK3588_HDMI1_HPD_INT_MSK BIT(15) +#define RK3588_HDMI1_HPD_INT_CLR BIT(14) #define RK3588_GRF_SOC_CON7 0x031c #define RK3588_SET_HPD_PATH_MASK GENMASK(13, 12) #define RK3588_GRF_SOC_STATUS1 0x0384 #define RK3588_HDMI0_LEVEL_INT BIT(16) +#define RK3588_HDMI1_LEVEL_INT BIT(24) #define RK3588_GRF_VO1_CON3 0x000c +#define RK3588_GRF_VO1_CON6 0x0018 #define RK3588_SCLIN_MASK BIT(9) #define RK3588_SDAIN_MASK BIT(10) #define RK3588_MODE_MASK BIT(11) #define RK3588_I2S_SEL_MASK BIT(13) #define RK3588_GRF_VO1_CON9 0x0024 #define RK3588_HDMI0_GRANT_SEL BIT(10) +#define RK3588_HDMI1_GRANT_SEL BIT(12) #define HIWORD_UPDATE(val, mask) ((val) | (mask) << 16) #define HOTPLUG_DEBOUNCE_MS 150 +#define MAX_HDMI_PORT_NUM 2 struct rockchip_hdmi_qp { struct device *dev; @@ -53,6 +59,7 @@ struct rockchip_hdmi_qp { struct phy *phy; struct gpio_desc *enable_gpio; struct delayed_work hpd_work; + int port_id; }; static struct rockchip_hdmi_qp *to_rockchip_hdmi_qp(struct drm_encoder *encoder) @@ -127,20 +134,24 @@ dw_hdmi_qp_rk3588_read_hpd(struct dw_hdmi_qp *dw_hdmi, void *data) u32 val; regmap_read(hdmi->regmap, RK3588_GRF_SOC_STATUS1, &val); + val &= hdmi->port_id ? RK3588_HDMI1_LEVEL_INT : RK3588_HDMI0_LEVEL_INT; - return val & RK3588_HDMI0_LEVEL_INT ? - connector_status_connected : connector_status_disconnected; + return val ? connector_status_connected : connector_status_disconnected; } static void dw_hdmi_qp_rk3588_setup_hpd(struct dw_hdmi_qp *dw_hdmi, void *data) { struct rockchip_hdmi_qp *hdmi = (struct rockchip_hdmi_qp *)data; + u32 val; + + if (hdmi->port_id) + val = HIWORD_UPDATE(RK3588_HDMI1_HPD_INT_CLR, + RK3588_HDMI1_HPD_INT_CLR | RK3588_HDMI1_HPD_INT_MSK); + else + val = HIWORD_UPDATE(RK3588_HDMI0_HPD_INT_CLR, + RK3588_HDMI0_HPD_INT_CLR | RK3588_HDMI0_HPD_INT_MSK); - regmap_write(hdmi->regmap, - RK3588_GRF_SOC_CON2, - HIWORD_UPDATE(RK3588_HDMI0_HPD_INT_CLR, - RK3588_HDMI0_HPD_INT_CLR | - RK3588_HDMI0_HPD_INT_MSK)); + regmap_write(hdmi->regmap, RK3588_GRF_SOC_CON2, val); } static const struct dw_hdmi_qp_phy_ops rk3588_hdmi_phy_ops = { @@ -173,8 +184,12 @@ static irqreturn_t dw_hdmi_qp_rk3588_hardirq(int irq, void *dev_id) regmap_read(hdmi->regmap, RK3588_GRF_SOC_STATUS1, &intr_stat); if (intr_stat) { - val = HIWORD_UPDATE(RK3588_HDMI0_HPD_INT_MSK, - RK3588_HDMI0_HPD_INT_MSK); + if (hdmi->port_id) + val = HIWORD_UPDATE(RK3588_HDMI1_HPD_INT_MSK, + RK3588_HDMI1_HPD_INT_MSK); + else + val = HIWORD_UPDATE(RK3588_HDMI0_HPD_INT_MSK, + RK3588_HDMI0_HPD_INT_MSK); regmap_write(hdmi->regmap, RK3588_GRF_SOC_CON2, val); return IRQ_WAKE_THREAD; } @@ -191,22 +206,44 @@ static irqreturn_t dw_hdmi_qp_rk3588_irq(int irq, void *dev_id) if (!intr_stat) return IRQ_NONE; - val = HIWORD_UPDATE(RK3588_HDMI0_HPD_INT_CLR, - RK3588_HDMI0_HPD_INT_CLR); + if (hdmi->port_id) + val = HIWORD_UPDATE(RK3588_HDMI1_HPD_INT_CLR, + RK3588_HDMI1_HPD_INT_CLR); + else + val = HIWORD_UPDATE(RK3588_HDMI0_HPD_INT_CLR, + RK3588_HDMI0_HPD_INT_CLR); regmap_write(hdmi->regmap, RK3588_GRF_SOC_CON2, val); mod_delayed_work(system_wq, &hdmi->hpd_work, msecs_to_jiffies(HOTPLUG_DEBOUNCE_MS)); - val |= HIWORD_UPDATE(0, RK3588_HDMI0_HPD_INT_MSK); + if (hdmi->port_id) + val |= HIWORD_UPDATE(0, RK3588_HDMI1_HPD_INT_MSK); + else + val |= HIWORD_UPDATE(0, RK3588_HDMI0_HPD_INT_MSK); regmap_write(hdmi->regmap, RK3588_GRF_SOC_CON2, val); return IRQ_HANDLED; } +struct rockchip_hdmi_qp_cfg { + unsigned int num_ports; + unsigned int port_ids[MAX_HDMI_PORT_NUM]; + const struct dw_hdmi_qp_phy_ops *phy_ops; +}; + +static const struct rockchip_hdmi_qp_cfg rk3588_hdmi_cfg = { + .num_ports = 2, + .port_ids = { + 0xfde80000, + 0xfdea0000, + }, + .phy_ops = &rk3588_hdmi_phy_ops, +}; + static const struct of_device_id dw_hdmi_qp_rockchip_dt_ids[] = { { .compatible = "rockchip,rk3588-dw-hdmi-qp", - .data = &rk3588_hdmi_phy_ops }, + .data = &rk3588_hdmi_cfg }, {}, }; MODULE_DEVICE_TABLE(of, dw_hdmi_qp_rockchip_dt_ids); @@ -219,11 +256,13 @@ static int dw_hdmi_qp_rockchip_bind(struct device *dev, struct device *master, "ref" /* keep "ref" last */ }; struct platform_device *pdev = to_platform_device(dev); + const struct rockchip_hdmi_qp_cfg *cfg; struct dw_hdmi_qp_plat_data plat_data; struct drm_device *drm = data; struct drm_connector *connector; struct drm_encoder *encoder; struct rockchip_hdmi_qp *hdmi; + struct resource *res; struct clk *clk; int ret, irq, i; u32 val; @@ -235,12 +274,31 @@ static int dw_hdmi_qp_rockchip_bind(struct device *dev, struct device *master, if (!hdmi) return -ENOMEM; - plat_data.phy_ops = of_device_get_match_data(dev); - if (!plat_data.phy_ops) + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!res) + return -ENODEV; + + cfg = of_device_get_match_data(dev); + if (!cfg) return -ENODEV; - plat_data.phy_data = hdmi; hdmi->dev = &pdev->dev; + hdmi->port_id = -ENODEV; + + /* Identify port ID by matching base IO address */ + for (i = 0; i < cfg->num_ports; i++) { + if (res->start == cfg->port_ids[i]) { + hdmi->port_id = i; + break; + } + } + if (hdmi->port_id < 0) { + drm_err(hdmi, "Failed to match HDMI port ID\n"); + return hdmi->port_id; + } + + plat_data.phy_ops = cfg->phy_ops; + plat_data.phy_data = hdmi; encoder = &hdmi->encoder.encoder; encoder->possible_crtcs = drm_of_find_possible_crtcs(drm, dev->of_node); @@ -303,17 +361,26 @@ static int dw_hdmi_qp_rockchip_bind(struct device *dev, struct device *master, HIWORD_UPDATE(RK3588_SDAIN_MASK, RK3588_SDAIN_MASK) | HIWORD_UPDATE(RK3588_MODE_MASK, RK3588_MODE_MASK) | HIWORD_UPDATE(RK3588_I2S_SEL_MASK, RK3588_I2S_SEL_MASK); - regmap_write(hdmi->vo_regmap, RK3588_GRF_VO1_CON3, val); + regmap_write(hdmi->vo_regmap, + hdmi->port_id ? RK3588_GRF_VO1_CON6 : RK3588_GRF_VO1_CON3, + val); val = HIWORD_UPDATE(RK3588_SET_HPD_PATH_MASK, RK3588_SET_HPD_PATH_MASK); regmap_write(hdmi->regmap, RK3588_GRF_SOC_CON7, val); - val = HIWORD_UPDATE(RK3588_HDMI0_GRANT_SEL, - RK3588_HDMI0_GRANT_SEL); + if (hdmi->port_id) + val = HIWORD_UPDATE(RK3588_HDMI1_GRANT_SEL, + RK3588_HDMI1_GRANT_SEL); + else + val = HIWORD_UPDATE(RK3588_HDMI0_GRANT_SEL, + RK3588_HDMI0_GRANT_SEL); regmap_write(hdmi->vo_regmap, RK3588_GRF_VO1_CON9, val); - val = HIWORD_UPDATE(RK3588_HDMI0_HPD_INT_MSK, RK3588_HDMI0_HPD_INT_MSK); + if (hdmi->port_id) + val = HIWORD_UPDATE(RK3588_HDMI1_HPD_INT_MSK, RK3588_HDMI1_HPD_INT_MSK); + else + val = HIWORD_UPDATE(RK3588_HDMI0_HPD_INT_MSK, RK3588_HDMI0_HPD_INT_MSK); regmap_write(hdmi->regmap, RK3588_GRF_SOC_CON2, val); INIT_DELAYED_WORK(&hdmi->hpd_work, dw_hdmi_qp_rk3588_hpd_work); @@ -391,14 +458,20 @@ static int __maybe_unused dw_hdmi_qp_rockchip_resume(struct device *dev) HIWORD_UPDATE(RK3588_SDAIN_MASK, RK3588_SDAIN_MASK) | HIWORD_UPDATE(RK3588_MODE_MASK, RK3588_MODE_MASK) | HIWORD_UPDATE(RK3588_I2S_SEL_MASK, RK3588_I2S_SEL_MASK); - regmap_write(hdmi->vo_regmap, RK3588_GRF_VO1_CON3, val); + regmap_write(hdmi->vo_regmap, + hdmi->port_id ? RK3588_GRF_VO1_CON6 : RK3588_GRF_VO1_CON3, + val); val = HIWORD_UPDATE(RK3588_SET_HPD_PATH_MASK, RK3588_SET_HPD_PATH_MASK); regmap_write(hdmi->regmap, RK3588_GRF_SOC_CON7, val); - val = HIWORD_UPDATE(RK3588_HDMI0_GRANT_SEL, - RK3588_HDMI0_GRANT_SEL); + if (hdmi->port_id) + val = HIWORD_UPDATE(RK3588_HDMI1_GRANT_SEL, + RK3588_HDMI1_GRANT_SEL); + else + val = HIWORD_UPDATE(RK3588_HDMI0_GRANT_SEL, + RK3588_HDMI0_GRANT_SEL); regmap_write(hdmi->vo_regmap, RK3588_GRF_VO1_CON9, val); dw_hdmi_qp_resume(dev, hdmi->hdmi);