From patchwork Tue Dec 24 14:38:54 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Miquel Raynal X-Patchwork-Id: 11310061 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 91D351395 for ; Wed, 25 Dec 2019 10:19:32 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (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 7A11B2075E for ; Wed, 25 Dec 2019 10:19:32 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7A11B2075E Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=bootlin.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id C757C89E1B; Wed, 25 Dec 2019 10:19:19 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from relay4-d.mail.gandi.net (relay4-d.mail.gandi.net [217.70.183.196]) by gabe.freedesktop.org (Postfix) with ESMTPS id 0CCE889CA8 for ; Tue, 24 Dec 2019 14:39:21 +0000 (UTC) X-Originating-IP: 91.224.148.103 Received: from localhost.localdomain (unknown [91.224.148.103]) (Authenticated sender: miquel.raynal@bootlin.com) by relay4-d.mail.gandi.net (Postfix) with ESMTPSA id F31BDE000C; Tue, 24 Dec 2019 14:39:18 +0000 (UTC) From: Miquel Raynal To: David Airlie , Daniel Vetter , Sandy Huang , Heiko Stuebner , Subject: [PATCH v2 05/11] drm/rockchip: lvds: Change platform data Date: Tue, 24 Dec 2019 15:38:54 +0100 Message-Id: <20191224143900.23567-6-miquel.raynal@bootlin.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191224143900.23567-1-miquel.raynal@bootlin.com> References: <20191224143900.23567-1-miquel.raynal@bootlin.com> MIME-Version: 1.0 X-Mailman-Approved-At: Wed, 25 Dec 2019 10:19:18 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Maxime Chevallier , Paul Kocialkowski , Rob Herring , Thomas Petazzoni , Miquel Raynal , linux-arm-kernel@lists.infradead.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Prepare the introduction of PX30 support by using drm_encoder_helper_funcs as platform data instead of multiple register names which are specific to rk3288 and not generic to all Rockchip IPs. This way adding support for a new flavor of a similar IP will be a matter of adding the relevant helper funcs. Signed-off-by: Miquel Raynal --- drivers/gpu/drm/rockchip/rockchip_lvds.c | 32 ++++++++---------------- drivers/gpu/drm/rockchip/rockchip_lvds.h | 3 +++ 2 files changed, 14 insertions(+), 21 deletions(-) diff --git a/drivers/gpu/drm/rockchip/rockchip_lvds.c b/drivers/gpu/drm/rockchip/rockchip_lvds.c index 3c08e50923ae..271e126476e1 100644 --- a/drivers/gpu/drm/rockchip/rockchip_lvds.c +++ b/drivers/gpu/drm/rockchip/rockchip_lvds.c @@ -38,16 +38,10 @@ /** * rockchip_lvds_soc_data - rockchip lvds Soc private data - * @ch1_offset: lvds channel 1 registe offset - * grf_soc_con6: general registe offset for LVDS contrl - * grf_soc_con7: general registe offset for LVDS contrl - * has_vop_sel: to indicate whether need to choose from different VOP. + * @helper_funcs: LVDS connector helper functions */ struct rockchip_lvds_soc_data { - u32 ch1_offset; - int grf_soc_con6; - int grf_soc_con7; - bool has_vop_sel; + const struct drm_encoder_helper_funcs *helper_funcs; }; struct rockchip_lvds { @@ -72,7 +66,7 @@ static inline void rk3288_writel(struct rockchip_lvds *lvds, u32 offset, writel_relaxed(val, lvds->regs + offset); if (lvds->output == DISPLAY_OUTPUT_LVDS) return; - writel_relaxed(val, lvds->regs + offset + lvds->soc_data->ch1_offset); + writel_relaxed(val, lvds->regs + offset + RK3288_LVDS_CH1_OFFSET); } static inline int rockchip_lvds_name_to_format(const char *s) @@ -187,7 +181,7 @@ static void rk3288_lvds_poweroff(struct rockchip_lvds *lvds) RK3288_LVDS_CFG_REGC_PLL_ENABLE); val = LVDS_DUAL | LVDS_TTL_EN | LVDS_CH0_EN | LVDS_CH1_EN | LVDS_PWRDN; val |= val << 16; - ret = regmap_write(lvds->grf, lvds->soc_data->grf_soc_con7, val); + ret = regmap_write(lvds->grf, RK3288_LVDS_GRF_SOC_CON7, val); if (ret != 0) DRM_DEV_ERROR(lvds->dev, "Could not write to GRF: %d\n", ret); @@ -241,7 +235,7 @@ static void rk3288_lvds_grf_config(struct drm_encoder *encoder, val |= (pin_dclk << 8) | (pin_hsync << 9); val |= (0xffff << 16); - ret = regmap_write(lvds->grf, lvds->soc_data->grf_soc_con7, val); + ret = regmap_write(lvds->grf, RK3288_LVDS_GRF_SOC_CON7, val); if (ret != 0) { DRM_DEV_ERROR(lvds->dev, "Could not write to GRF: %d\n", ret); return; @@ -254,9 +248,6 @@ static int rk3288_lvds_set_vop_source(struct rockchip_lvds *lvds, u32 val; int ret; - if (!lvds->soc_data->has_vop_sel) - return 0; - ret = drm_of_encoder_active_endpoint_id(lvds->dev->of_node, encoder); if (ret < 0) return ret; @@ -265,7 +256,7 @@ static int rk3288_lvds_set_vop_source(struct rockchip_lvds *lvds, if (ret) val |= RK3288_LVDS_SOC_CON6_SEL_VOP_LIT; - ret = regmap_write(lvds->grf, lvds->soc_data->grf_soc_con6, val); + ret = regmap_write(lvds->grf, RK3288_LVDS_GRF_SOC_CON6, val); if (ret < 0) return ret; @@ -323,10 +314,7 @@ static const struct drm_encoder_funcs rockchip_lvds_encoder_funcs = { }; static const struct rockchip_lvds_soc_data rk3288_lvds_data = { - .ch1_offset = 0x100, - .grf_soc_con6 = 0x025c, - .grf_soc_con7 = 0x0260, - .has_vop_sel = true, + .helper_funcs = &rk3288_lvds_encoder_helper_funcs, }; static const struct of_device_id rockchip_lvds_dt_ids[] = { @@ -417,7 +405,7 @@ static int rockchip_lvds_bind(struct device *dev, struct device *master, goto err_put_remote; } - drm_encoder_helper_add(encoder, &rk3288_lvds_encoder_helper_funcs); + drm_encoder_helper_add(encoder, lvds->soc_data->helper_funcs); if (lvds->panel) { connector = &lvds->connector; @@ -478,8 +466,10 @@ static void rockchip_lvds_unbind(struct device *dev, struct device *master, void *data) { struct rockchip_lvds *lvds = dev_get_drvdata(dev); + const struct drm_encoder_helper_funcs *encoder_funcs; - rk3288_lvds_encoder_disable(&lvds->encoder); + encoder_funcs = lvds->soc_data->helper_funcs; + encoder_funcs->disable(&lvds->encoder); if (lvds->panel) drm_panel_detach(lvds->panel); pm_runtime_disable(dev); diff --git a/drivers/gpu/drm/rockchip/rockchip_lvds.h b/drivers/gpu/drm/rockchip/rockchip_lvds.h index 1387bcbc4bc0..e41e9ab3c306 100644 --- a/drivers/gpu/drm/rockchip/rockchip_lvds.h +++ b/drivers/gpu/drm/rockchip/rockchip_lvds.h @@ -72,6 +72,9 @@ #define RK3288_LVDS_CFG_REG21_TX_DISABLE 0x00 #define RK3288_LVDS_CH1_OFFSET 0x100 +#define RK3288_LVDS_GRF_SOC_CON6 0x025C +#define RK3288_LVDS_GRF_SOC_CON7 0x0260 + /* fbdiv value is split over 2 registers, with bit8 in reg2 */ #define RK3288_LVDS_PLL_FBDIV_REG2(_fbd) \ (_fbd & BIT(8) ? RK3288_LVDS_CH0_REG2_PLL_FBDIV8 : 0)