From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.3 required=3.0 tests=DKIM_ADSP_CUSTOM_MED, DKIM_INVALID,DKIM_SIGNED,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8F81FC3B18F for ; Fri, 14 Feb 2020 08:08:32 +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 66835217F4 for ; Fri, 14 Feb 2020 08:08:32 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="Vyc3sRQ1" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 66835217F4 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.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 9A1986E52D; Fri, 14 Feb 2020 08:08:09 +0000 (UTC) Received: from mail-lj1-x243.google.com (mail-lj1-x243.google.com [IPv6:2a00:1450:4864:20::243]) by gabe.freedesktop.org (Postfix) with ESMTPS id 5887B6E3EB for ; Thu, 13 Feb 2020 20:19:34 +0000 (UTC) Received: by mail-lj1-x243.google.com with SMTP id e18so8060896ljn.12 for ; Thu, 13 Feb 2020 12:19:34 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=DwVZSFEq0W28DM18hDTvCj9e8HcEAgSZLjRA5gyrBFU=; b=Vyc3sRQ1QOwrox+evcccNRQBSMXSNzw3PVk3EXZdtOms1u9chLhvINkI9cUllcwCFT DPYjFaEUwuJajVUA0tq5EIDfLt97XP36OrNkXGsrbdqJqvIGkoxYifu40N8EXJT7qWrO 64bRzYRBYqxe1FECL+BOJrtNLARWyDIaVTLt+OH53m3TMMVXiTIY9rNvY8DdyabgUnQW dsqIy8TFk0OLSt38yhjIz5KISZQsdbW3tb7XxanhUnc0asTbpI+G5YiMoSr9rZMH8d34 vDab9/gn11rrz26yB5mw+myU2xNaKBgioPgvXrwdomzxEJ/2cqpdWhmFiTZQOZG6D9Wr xPYg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=DwVZSFEq0W28DM18hDTvCj9e8HcEAgSZLjRA5gyrBFU=; b=uUY7pOaoAoi6NEsEvLAX1jTEhF/HtxwXM+BpG9RHCqy4w9y6VULzcuTL/kFtq2TVry i206qGBZ3q7F5n769X6yd8DiJWi8TE2zkEage2m45p304XMOtKxh/4n6YjlH8AhuZlsl tjMPvlHPO+WdbzibbAwYBli2/dKKU2tVBQMPZazYjtmmjgkoibzUJ92FPOHl93Y3PjXO 4TGqPPkh1iiiu5ysQyWlaznoKUxJoAnXboyHeDFcJtefrUr5Tmg9QY3SkBewH4DZ+X2X B+VCrHUYb7TSQMIZxpBdIImiDLXGJ0zSfopWxev4mqbBD5GVk8kGziJZRF6DyARZShtJ Hozw== X-Gm-Message-State: APjAAAViPTEaQP7SFPs3ugHYTqJ+vD5tSf829CQBYFkN1NAOGfdP07yn i2nYo9+t5FquXoqdz2LN0vk= X-Google-Smtp-Source: APXvYqx038IS+Ijfeh1//hkEoQpHVSqFBNIuH5C+1O568EPNKOQjnbiPQh7Uf1VmGHESUeIqO/HpLg== X-Received: by 2002:a2e:9a51:: with SMTP id k17mr11552111ljj.206.1581625172663; Thu, 13 Feb 2020 12:19:32 -0800 (PST) Received: from localhost.localdomain ([5.20.204.163]) by smtp.gmail.com with ESMTPSA id s22sm2209470ljm.41.2020.02.13.12.19.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 13 Feb 2020 12:19:32 -0800 (PST) From: Andrey Lebedev To: mripard@kernel.org, wens@csie.org, airlied@linux.ie, daniel@ffwll.ch, dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v3 1/3] drm/sun4i: tcon: Introduce LVDS setup routine setting Date: Thu, 13 Feb 2020 22:18:53 +0200 Message-Id: <20200213201854.810-1-andrey.lebedev@gmail.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200210195633.GA21832@kedthinkpad> References: <20200210195633.GA21832@kedthinkpad> MIME-Version: 1.0 X-Mailman-Approved-At: Fri, 14 Feb 2020 08:07:58 +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: Andrey Lebedev , linux-sunxi@googlegroups.com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" From: Andrey Lebedev Different sunxi flavors require slightly different sequence for enabling LVDS output. This allows to differentiate between them. Signed-off-by: Andrey Lebedev --- drivers/gpu/drm/sun4i/sun4i_tcon.c | 68 ++++++++++++++++-------------- drivers/gpu/drm/sun4i/sun4i_tcon.h | 3 ++ 2 files changed, 39 insertions(+), 32 deletions(-) diff --git a/drivers/gpu/drm/sun4i/sun4i_tcon.c b/drivers/gpu/drm/sun4i/sun4i_tcon.c index c81cdce6ed55..cc6b05ca2c69 100644 --- a/drivers/gpu/drm/sun4i/sun4i_tcon.c +++ b/drivers/gpu/drm/sun4i/sun4i_tcon.c @@ -114,46 +114,48 @@ static void sun4i_tcon_channel_set_status(struct sun4i_tcon *tcon, int channel, } } +static void sun6i_tcon_setup_lvds_phy(struct sun4i_tcon *tcon, + const struct drm_encoder *encoder) +{ + u8 val; + + regmap_write(tcon->regs, SUN4I_TCON0_LVDS_ANA0_REG, + SUN6I_TCON0_LVDS_ANA0_C(2) | + SUN6I_TCON0_LVDS_ANA0_V(3) | + SUN6I_TCON0_LVDS_ANA0_PD(2) | + SUN6I_TCON0_LVDS_ANA0_EN_LDO); + udelay(2); + + regmap_update_bits(tcon->regs, SUN4I_TCON0_LVDS_ANA0_REG, + SUN6I_TCON0_LVDS_ANA0_EN_MB, + SUN6I_TCON0_LVDS_ANA0_EN_MB); + udelay(2); + + regmap_update_bits(tcon->regs, SUN4I_TCON0_LVDS_ANA0_REG, + SUN6I_TCON0_LVDS_ANA0_EN_DRVC, + SUN6I_TCON0_LVDS_ANA0_EN_DRVC); + + if (sun4i_tcon_get_pixel_depth(encoder) == 18) + val = 7; + else + val = 0xf; + + regmap_write_bits(tcon->regs, SUN4I_TCON0_LVDS_ANA0_REG, + SUN6I_TCON0_LVDS_ANA0_EN_DRVD(0xf), + SUN6I_TCON0_LVDS_ANA0_EN_DRVD(val)); + +} + static void sun4i_tcon_lvds_set_status(struct sun4i_tcon *tcon, const struct drm_encoder *encoder, bool enabled) { if (enabled) { - u8 val; - regmap_update_bits(tcon->regs, SUN4I_TCON0_LVDS_IF_REG, SUN4I_TCON0_LVDS_IF_EN, SUN4I_TCON0_LVDS_IF_EN); - - /* - * As their name suggest, these values only apply to the A31 - * and later SoCs. We'll have to rework this when merging - * support for the older SoCs. - */ - regmap_write(tcon->regs, SUN4I_TCON0_LVDS_ANA0_REG, - SUN6I_TCON0_LVDS_ANA0_C(2) | - SUN6I_TCON0_LVDS_ANA0_V(3) | - SUN6I_TCON0_LVDS_ANA0_PD(2) | - SUN6I_TCON0_LVDS_ANA0_EN_LDO); - udelay(2); - - regmap_update_bits(tcon->regs, SUN4I_TCON0_LVDS_ANA0_REG, - SUN6I_TCON0_LVDS_ANA0_EN_MB, - SUN6I_TCON0_LVDS_ANA0_EN_MB); - udelay(2); - - regmap_update_bits(tcon->regs, SUN4I_TCON0_LVDS_ANA0_REG, - SUN6I_TCON0_LVDS_ANA0_EN_DRVC, - SUN6I_TCON0_LVDS_ANA0_EN_DRVC); - - if (sun4i_tcon_get_pixel_depth(encoder) == 18) - val = 7; - else - val = 0xf; - - regmap_write_bits(tcon->regs, SUN4I_TCON0_LVDS_ANA0_REG, - SUN6I_TCON0_LVDS_ANA0_EN_DRVD(0xf), - SUN6I_TCON0_LVDS_ANA0_EN_DRVD(val)); + if (tcon->quirks->setup_lvds_phy) + tcon->quirks->setup_lvds_phy(tcon, encoder); } else { regmap_update_bits(tcon->regs, SUN4I_TCON0_LVDS_IF_REG, SUN4I_TCON0_LVDS_IF_EN, 0); @@ -1465,12 +1467,14 @@ static const struct sun4i_tcon_quirks sun8i_a33_quirks = { .has_channel_0 = true, .has_lvds_alt = true, .dclk_min_div = 1, + .setup_lvds_phy = sun6i_tcon_setup_lvds_phy, }; static const struct sun4i_tcon_quirks sun8i_a83t_lcd_quirks = { .supports_lvds = true, .has_channel_0 = true, .dclk_min_div = 1, + .setup_lvds_phy = sun6i_tcon_setup_lvds_phy, }; static const struct sun4i_tcon_quirks sun8i_a83t_tv_quirks = { diff --git a/drivers/gpu/drm/sun4i/sun4i_tcon.h b/drivers/gpu/drm/sun4i/sun4i_tcon.h index a62ec826ae71..2974e59ef9f2 100644 --- a/drivers/gpu/drm/sun4i/sun4i_tcon.h +++ b/drivers/gpu/drm/sun4i/sun4i_tcon.h @@ -228,6 +228,9 @@ struct sun4i_tcon_quirks { /* callback to handle tcon muxing options */ int (*set_mux)(struct sun4i_tcon *, const struct drm_encoder *); + /* handler for LVDS setup routine */ + void (*setup_lvds_phy)(struct sun4i_tcon *tcon, + const struct drm_encoder *encoder); }; struct sun4i_tcon { -- 2.20.1 _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel