From patchwork Wed Dec 25 10:37:31 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Yan X-Patchwork-Id: 13920735 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 71712E7718D for ; Wed, 25 Dec 2024 10:40:53 +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:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=nitpI2XkyiXf9ViKSbOIjXBi1Guv5aRBeTFgtmmd5a4=; b=bxmO3SslrmA+uMnFl7EYxqlNlc uOTmitTJaWuP+j0AX5KbNScVIzbRU1IyQENGBked5pOnVSTOaxYaWxvS8+3KgxhVv32zWC/1tege2 xxCq8+LU+aTXbsZoRjB/UANR7NKZXo1/U638GdxpNhtB0Vuz1d/3xJDwBRQHaUlUNi1HITR1P6rb7 m1zXqY7gG/A+6laavyU4vSVruTT3srhw9lGd26Ll97xadFWG6n8gRxzIdY5ns4hoyiEIp5p/FawTK FR6wSkxNPl9bFWrT6vcIp9fMlo1UzWSnIh4aANGRop58V1t37GWrUKbjFl1uU0JiAAl2QBT+ARVng PwO+GHyQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tQOol-0000000DeTM-2gpZ; Wed, 25 Dec 2024 10:40:43 +0000 Received: from m16.mail.163.com ([117.135.210.2]) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tQOmP-0000000De8q-3eDX; Wed, 25 Dec 2024 10:38:19 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com; s=s110527; h=From:Subject:Date:Message-ID:MIME-Version; bh=nitpI 2XkyiXf9ViKSbOIjXBi1Guv5aRBeTFgtmmd5a4=; b=P4dmf13JGSy4DqiU9JAhj PamWG+Lq/xc3K0odxRpSF15GaUkSRgQyGPMViEPKOcxeA6T3Uk6nxEcmvj7lAZDQ k+gm2gCFevEX9jqMz4FshXR6QbFxGJjHsbxON4Mo9YQ3xdO6eKa1/1bXyHyxrzQb D6BSRAJyiRVKXFQ/fVFLcs= Received: from ProDesk.. (unknown []) by gzsmtp4 (Coremail) with SMTP id PygvCgCnfIF24GtnkqkWCg--.3201S5; Wed, 25 Dec 2024 18:37:48 +0800 (CST) From: Andy Yan To: heiko@sntech.de Cc: cristian.ciocaltea@collabora.com, krzk+dt@kernel.org, mripard@kernel.org, hjc@rock-chips.com, devicetree@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-rockchip@lists.infradead.org, Andy Yan , Detlev Casanova Subject: [PATCH 3/3] drm/rockchip: Add basic RK3576 HDMI output support Date: Wed, 25 Dec 2024 18:37:31 +0800 Message-ID: <20241225103741.364597-4-andyshrk@163.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20241225103741.364597-1-andyshrk@163.com> References: <20241225103741.364597-1-andyshrk@163.com> MIME-Version: 1.0 X-CM-TRANSID: PygvCgCnfIF24GtnkqkWCg--.3201S5 X-Coremail-Antispam: 1Uf129KBjvJXoW3XF1DCF1Uur48urWDJr1kZrb_yoWxtr13pw 42y345tFykJF47Jw1IyFn3X3y2kwnrt3yrWasrWayayFyFgr1fKF95WF45JFyDuFykZFy2 ka1kZay5XFnrtrUanT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDUYxBIdaVFxhVjvjDU0xZFpf9x07j6sjUUUUUU= X-Originating-IP: [58.22.7.114] X-CM-SenderInfo: 5dqg52xkunqiywtou0bp/1tbiMwnAXmdr4AILBQAAsE X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241225_023818_312149_14FDA6CE X-CRM114-Status: GOOD ( 14.90 ) 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 From: Andy Yan The HDMI on RK3576 shares the same IP block (PHY and Controller) with rk3588. However, there are some control bits scattered in different GRF. Signed-off-by: Andy Yan Signed-off-by: Detlev Casanova Tested-by: Detlev Casanova --- .../gpu/drm/rockchip/dw_hdmi_qp-rockchip.c | 143 +++++++++++++++++- 1 file changed, 141 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/rockchip/dw_hdmi_qp-rockchip.c b/drivers/gpu/drm/rockchip/dw_hdmi_qp-rockchip.c index b21e868e7c16..bd9216e45e74 100644 --- a/drivers/gpu/drm/rockchip/dw_hdmi_qp-rockchip.c +++ b/drivers/gpu/drm/rockchip/dw_hdmi_qp-rockchip.c @@ -25,6 +25,41 @@ #include "rockchip_drm_drv.h" +#define RK3576_IOC_MISC_CON0 0xa400 +#define RK3576_HDMI_HPD_INT_MSK BIT(2) +#define RK3576_HDMI_HPD_INT_CLR BIT(1) + +#define RK3576_IOC_HDMI_HPD_STATUS 0xa440 +#define RK3576_HDMI_LEVEL_INT BIT(3) + +#define RK3576_VO0_GRF_SOC_CON1 0x0004 +#define RK3576_HDMI_FRL_MOD BIT(0) +#define RK3576_HDMI_HDCP14_MEM_EN BIT(15) + +#define RK3576_VO0_GRF_SOC_CON8 0x0020 +#define RK3576_COLOR_FORMAT_MASK (0xf << 4) +#define RK3576_COLOR_DEPTH_MASK (0xf << 8) +#define RK3576_RGB (0 << 4) +#define RK3576_YUV422 (0x1 << 4) +#define RK3576_YUV444 (0x2 << 4) +#define RK3576_YUV420 (0x3 << 4) +#define RK3576_8BPC (0x0 << 8) +#define RK3576_10BPC (0x6 << 8) +#define RK3576_CECIN_MASK BIT(3) + +#define RK3576_VO0_GRF_SOC_CON12 0x0030 +#define RK3576_GRF_OSDA_DLYN (0xf << 12) +#define RK3576_GRF_OSDA_DIV (0x7f << 1) +#define RK3576_GRF_OSDA_DLY_EN BIT(0) + +#define RK3576_VO0_GRF_SOC_CON14 0x0038 +#define RK3576_I2S_SEL_MASK BIT(0) +#define RK3576_SPDIF_SEL_MASK BIT(1) +#define HDCP0_P1_GPIO_IN BIT(2) +#define RK3576_SCLIN_MASK BIT(4) +#define RK3576_SDAIN_MASK BIT(5) +#define RK3576_HDMI_GRANT_SEL BIT(6) + #define RK3588_GRF_SOC_CON2 0x0308 #define RK3588_HDMI0_HPD_INT_MSK BIT(13) #define RK3588_HDMI0_HPD_INT_CLR BIT(12) @@ -167,6 +202,37 @@ static const struct dw_hdmi_qp_phy_ops rk3588_hdmi_phy_ops = { .setup_hpd = dw_hdmi_qp_rk3588_setup_hpd, }; +static enum drm_connector_status +dw_hdmi_qp_rk3576_read_hpd(struct dw_hdmi_qp *dw_hdmi, void *data) +{ + struct rockchip_hdmi_qp *hdmi = (struct rockchip_hdmi_qp *)data; + u32 val; + + regmap_read(hdmi->regmap, RK3576_IOC_HDMI_HPD_STATUS, &val); + + return val & RK3576_HDMI_LEVEL_INT ? + connector_status_connected : connector_status_disconnected; +} + +static void dw_hdmi_qp_rk3576_setup_hpd(struct dw_hdmi_qp *dw_hdmi, void *data) +{ + struct rockchip_hdmi_qp *hdmi = (struct rockchip_hdmi_qp *)data; + u32 val; + + val = HIWORD_UPDATE(RK3576_HDMI_HPD_INT_CLR, + RK3576_HDMI_HPD_INT_CLR | RK3576_HDMI_HPD_INT_MSK); + + regmap_write(hdmi->regmap, RK3576_IOC_MISC_CON0, val); + regmap_write(hdmi->regmap, 0xa404, 0xffff0102); +} + +static const struct dw_hdmi_qp_phy_ops rk3576_hdmi_phy_ops = { + .init = dw_hdmi_qp_rk3588_phy_init, + .disable = dw_hdmi_qp_rk3588_phy_disable, + .read_hpd = dw_hdmi_qp_rk3576_read_hpd, + .setup_hpd = dw_hdmi_qp_rk3576_setup_hpd, +}; + static void dw_hdmi_qp_rk3588_hpd_work(struct work_struct *work) { struct rockchip_hdmi_qp *hdmi = container_of(work, @@ -182,6 +248,45 @@ static void dw_hdmi_qp_rk3588_hpd_work(struct work_struct *work) } } +static irqreturn_t dw_hdmi_qp_rk3576_hardirq(int irq, void *dev_id) +{ + struct rockchip_hdmi_qp *hdmi = dev_id; + u32 intr_stat, val; + + regmap_read(hdmi->regmap, RK3576_IOC_HDMI_HPD_STATUS, &intr_stat); + if (intr_stat) { + val = HIWORD_UPDATE(RK3576_HDMI_HPD_INT_MSK, + RK3576_HDMI_HPD_INT_MSK); + + regmap_write(hdmi->regmap, RK3576_IOC_MISC_CON0, val); + return IRQ_WAKE_THREAD; + } + + return IRQ_NONE; +} + +static irqreturn_t dw_hdmi_qp_rk3576_irq(int irq, void *dev_id) +{ + struct rockchip_hdmi_qp *hdmi = dev_id; + u32 intr_stat, val; + + regmap_read(hdmi->regmap, RK3576_IOC_HDMI_HPD_STATUS, &intr_stat); + + if (!intr_stat) + return IRQ_NONE; + + val = HIWORD_UPDATE(RK3576_HDMI_HPD_INT_CLR, + RK3576_HDMI_HPD_INT_CLR); + regmap_write(hdmi->regmap, RK3576_IOC_MISC_CON0, val); + mod_delayed_work(system_wq, &hdmi->hpd_work, + msecs_to_jiffies(HOTPLUG_DEBOUNCE_MS)); + + val = HIWORD_UPDATE(0, RK3576_HDMI_HPD_INT_MSK); + regmap_write(hdmi->regmap, RK3576_IOC_MISC_CON0, val); + + return IRQ_HANDLED; +} + static irqreturn_t dw_hdmi_qp_rk3588_hardirq(int irq, void *dev_id) { struct rockchip_hdmi_qp *hdmi = dev_id; @@ -232,6 +337,21 @@ static irqreturn_t dw_hdmi_qp_rk3588_irq(int irq, void *dev_id) return IRQ_HANDLED; } +static void dw_hdmi_qp_rk3576_io_init(struct rockchip_hdmi_qp *hdmi) +{ + u32 val; + + val = HIWORD_UPDATE(RK3576_SCLIN_MASK, RK3576_SCLIN_MASK) | + HIWORD_UPDATE(RK3576_SDAIN_MASK, RK3576_SDAIN_MASK) | + HIWORD_UPDATE(RK3576_HDMI_GRANT_SEL, RK3576_HDMI_GRANT_SEL) | + HIWORD_UPDATE(RK3576_I2S_SEL_MASK, RK3576_I2S_SEL_MASK); + + regmap_write(hdmi->vo_regmap, RK3576_VO0_GRF_SOC_CON14, val); + + val = HIWORD_UPDATE(0, RK3576_HDMI_HPD_INT_MSK); + regmap_write(hdmi->regmap, RK3576_IOC_MISC_CON0, val); +} + static void dw_hdmi_qp_rk3588_io_init(struct rockchip_hdmi_qp *hdmi) { u32 val; @@ -263,6 +383,12 @@ static void dw_hdmi_qp_rk3588_io_init(struct rockchip_hdmi_qp *hdmi) regmap_write(hdmi->regmap, RK3588_GRF_SOC_CON2, val); } +static const struct rockchip_hdmi_qp_ctrl_ops rk3576_hdmi_ctrl_ops = { + .io_init = dw_hdmi_qp_rk3576_io_init, + .irq_callback = dw_hdmi_qp_rk3576_irq, + .hardirq_callback = dw_hdmi_qp_rk3576_hardirq, +}; + static const struct rockchip_hdmi_qp_ctrl_ops rk3588_hdmi_ctrl_ops = { .io_init = dw_hdmi_qp_rk3588_io_init, .irq_callback = dw_hdmi_qp_rk3588_irq, @@ -276,6 +402,15 @@ struct rockchip_hdmi_qp_cfg { const struct dw_hdmi_qp_phy_ops *phy_ops; }; +static const struct rockchip_hdmi_qp_cfg rk3576_hdmi_cfg = { + .num_ports = 1, + .port_ids = { + 0x27da0000, + }, + .ctrl_ops = &rk3576_hdmi_ctrl_ops, + .phy_ops = &rk3576_hdmi_phy_ops, +}; + static const struct rockchip_hdmi_qp_cfg rk3588_hdmi_cfg = { .num_ports = 2, .port_ids = { @@ -287,8 +422,12 @@ static const struct rockchip_hdmi_qp_cfg rk3588_hdmi_cfg = { }; static const struct of_device_id dw_hdmi_qp_rockchip_dt_ids[] = { - { .compatible = "rockchip,rk3588-dw-hdmi-qp", - .data = &rk3588_hdmi_cfg }, + { .compatible = "rockchip,rk3576-dw-hdmi-qp", + .data = &rk3576_hdmi_cfg + }, { + .compatible = "rockchip,rk3588-dw-hdmi-qp", + .data = &rk3588_hdmi_cfg + }, {}, }; MODULE_DEVICE_TABLE(of, dw_hdmi_qp_rockchip_dt_ids);