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=-15.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED 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 47789C4361B for ; Thu, 17 Dec 2020 06:05:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id F08EC23715 for ; Thu, 17 Dec 2020 06:05:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725988AbgLQGFa (ORCPT ); Thu, 17 Dec 2020 01:05:30 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43462 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725882AbgLQGFa (ORCPT ); Thu, 17 Dec 2020 01:05:30 -0500 Received: from mail-io1-xd2a.google.com (mail-io1-xd2a.google.com [IPv6:2607:f8b0:4864:20::d2a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A0517C0617B0 for ; Wed, 16 Dec 2020 22:04:49 -0800 (PST) Received: by mail-io1-xd2a.google.com with SMTP id m23so11609887ioy.2 for ; Wed, 16 Dec 2020 22:04:49 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=sz/q5sU2UlSdBZVdyxY21mS5LrjFoGwhXbSOhpWJI38=; b=ei2kI36YGkeqG2ERnE2j/LRRuAOQxBfbxmCuG0aHINtF+JzNqxsklLzjp02lv2slLP MiMDmlocjK59NwYmyuj46g2hwtt5TKW+5AuIhLl7vB5eMqeZTjOGU4X5siUrm0f8tNpR s2PAj4FKM61oNussZcLknwa8IyKoCVHpRqKQQ= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=sz/q5sU2UlSdBZVdyxY21mS5LrjFoGwhXbSOhpWJI38=; b=fyplnmt8yayil6XigOzLXXQFacYa29vcshKIcyyExxH2Se0LKLGo33PTNVwassap6O 3wcBmJOuALfnE0ZIerX1voJ+30BSdKIjk9eT+Uql2VkytbDv0kgoljs+C2oAFTdbzWpu OrAeplMX9SmFf5QW2t7PZN8Q6cea9UaQOtWgETyex8Tms+CSAQP/0oF3iCNJvCfvcRLl gNv8FRZzjOmEqN4juPJj9WWWWI0CodN7miXF6BHENzFO6vep+F0lFJgAT8x8H6sI/hsr 0qR4sDPD4GalaUZgs5mKrW2XpfmU7I9aii9PvEsbsqd+bMCkQr/5adOOGv+EO/fUcgM+ dHaA== X-Gm-Message-State: AOAM531e7IiZSPp5NJSqbk10faEH6ucYojsx5ugQwbcffv0QHVfmVQDE GNWsVgT1qbijR3HtQ9D1u+D8gGQCdIBcFF32cE3Y7g== X-Google-Smtp-Source: ABdhPJw61dvNOM1DZsFkUV9yQr5gWJWVPqwgDtC1TQskRbHT3pnmNxYJp2XvJFceQGSlg5sq4Al8lFPdgpuDSrBYj/0= X-Received: by 2002:a6b:6810:: with SMTP id d16mr45012004ioc.100.1608185088813; Wed, 16 Dec 2020 22:04:48 -0800 (PST) MIME-Version: 1.0 References: <1607506379-10998-1-git-send-email-yongqiang.niu@mediatek.com> <1607506379-10998-3-git-send-email-yongqiang.niu@mediatek.com> In-Reply-To: <1607506379-10998-3-git-send-email-yongqiang.niu@mediatek.com> From: Hsin-Yi Wang Date: Thu, 17 Dec 2020 14:04:22 +0800 Message-ID: Subject: Re: [PATCH v2, 2/2] soc: mediatek: mmsys: Use function call for setting the routing registers To: Yongqiang Niu Cc: CK Hu , Philipp Zabel , Rob Herring , Matthias Brugger , Mark Rutland , Devicetree List , David Airlie , lkml , dri-devel , "moderated list:ARM/Mediatek SoC support" , Daniel Vetter , "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org On Wed, Dec 9, 2020 at 9:32 AM Yongqiang Niu wrote: > > Actually, setting the registers for routing, use multiple 'if-else' for different > routes, but this code would be more and more complicated while we > support more and more SoCs. Change that and use a function call per SoC so the > code will be more portable and clear. > > Signed-off-by: Yongqiang Niu > --- > drivers/soc/mediatek/mmsys/Makefile | 3 +- > drivers/soc/mediatek/mmsys/mt2701-mmsys.c | 233 +++++++++++++++++++++++++++++ > drivers/soc/mediatek/mmsys/mtk-mmsys.c | 241 +++--------------------------- > include/linux/soc/mediatek/mtk-mmsys.h | 14 ++ > 4 files changed, 268 insertions(+), 223 deletions(-) > create mode 100644 drivers/soc/mediatek/mmsys/mt2701-mmsys.c > > diff --git a/drivers/soc/mediatek/mmsys/Makefile b/drivers/soc/mediatek/mmsys/Makefile > index 5d976d7..ac03025 100644 > --- a/drivers/soc/mediatek/mmsys/Makefile > +++ b/drivers/soc/mediatek/mmsys/Makefile > @@ -1,2 +1,3 @@ > # SPDX-License-Identifier: GPL-2.0-only > -obj-$(CONFIG_MTK_MMSYS) += mtk-mmsys.o > \ No newline at end of file > +obj-$(CONFIG_MTK_MMSYS) += mt2701-mmsys.o > +obj-$(CONFIG_MTK_MMSYS) += mtk-mmsys.o > diff --git a/drivers/soc/mediatek/mmsys/mt2701-mmsys.c b/drivers/soc/mediatek/mmsys/mt2701-mmsys.c > new file mode 100644 > index 0000000..40576d3 > --- /dev/null > +++ b/drivers/soc/mediatek/mmsys/mt2701-mmsys.c > @@ -0,0 +1,233 @@ > +// SPDX-License-Identifier: GPL-2.0-only > +/* > + * Copyright (c) 2020 MediaTek Inc. > + */ > + > +#include > +#include > +#include > +#include > +#include > + > +#define DISP_REG_CONFIG_DISP_OVL0_MOUT_EN 0x040 > +#define DISP_REG_CONFIG_DISP_OVL1_MOUT_EN 0x044 > +#define DISP_REG_CONFIG_DISP_OD_MOUT_EN 0x048 > +#define DISP_REG_CONFIG_DISP_GAMMA_MOUT_EN 0x04c > +#define DISP_REG_CONFIG_DISP_UFOE_MOUT_EN 0x050 > +#define DISP_REG_CONFIG_DISP_COLOR0_SEL_IN 0x084 > +#define DISP_REG_CONFIG_DISP_COLOR1_SEL_IN 0x088 > +#define DISP_REG_CONFIG_DSIE_SEL_IN 0x0a4 > +#define DISP_REG_CONFIG_DSIO_SEL_IN 0x0a8 > +#define DISP_REG_CONFIG_DPI_SEL_IN 0x0ac > +#define DISP_REG_CONFIG_DISP_RDMA2_SOUT 0x0b8 > +#define DISP_REG_CONFIG_DISP_RDMA0_SOUT_EN 0x0c4 > +#define DISP_REG_CONFIG_DISP_RDMA1_SOUT_EN 0x0c8 > +#define DISP_REG_CONFIG_MMSYS_CG_CON0 0x100 > + > +#define DISP_REG_CONFIG_DISP_OVL_MOUT_EN 0x030 > +#define DISP_REG_CONFIG_OUT_SEL 0x04c > +#define DISP_REG_CONFIG_DSI_SEL 0x050 > +#define DISP_REG_CONFIG_DPI_SEL 0x064 > + > +#define OVL0_MOUT_EN_COLOR0 0x1 > +#define OD_MOUT_EN_RDMA0 0x1 > +#define OD1_MOUT_EN_RDMA1 BIT(16) > +#define UFOE_MOUT_EN_DSI0 0x1 > +#define COLOR0_SEL_IN_OVL0 0x1 > +#define OVL1_MOUT_EN_COLOR1 0x1 > +#define GAMMA_MOUT_EN_RDMA1 0x1 > +#define RDMA0_SOUT_DPI0 0x2 > +#define RDMA0_SOUT_DPI1 0x3 > +#define RDMA0_SOUT_DSI1 0x1 > +#define RDMA0_SOUT_DSI2 0x4 > +#define RDMA0_SOUT_DSI3 0x5 > +#define RDMA1_SOUT_DPI0 0x2 > +#define RDMA1_SOUT_DPI1 0x3 > +#define RDMA1_SOUT_DSI1 0x1 > +#define RDMA1_SOUT_DSI2 0x4 > +#define RDMA1_SOUT_DSI3 0x5 > +#define RDMA2_SOUT_DPI0 0x2 > +#define RDMA2_SOUT_DPI1 0x3 > +#define RDMA2_SOUT_DSI1 0x1 > +#define RDMA2_SOUT_DSI2 0x4 > +#define RDMA2_SOUT_DSI3 0x5 > +#define DPI0_SEL_IN_RDMA1 0x1 > +#define DPI0_SEL_IN_RDMA2 0x3 > +#define DPI1_SEL_IN_RDMA1 (0x1 << 8) > +#define DPI1_SEL_IN_RDMA2 (0x3 << 8) > +#define DSI0_SEL_IN_RDMA1 0x1 > +#define DSI0_SEL_IN_RDMA2 0x4 > +#define DSI1_SEL_IN_RDMA1 0x1 > +#define DSI1_SEL_IN_RDMA2 0x4 > +#define DSI2_SEL_IN_RDMA1 (0x1 << 16) > +#define DSI2_SEL_IN_RDMA2 (0x4 << 16) > +#define DSI3_SEL_IN_RDMA1 (0x1 << 16) > +#define DSI3_SEL_IN_RDMA2 (0x4 << 16) > +#define COLOR1_SEL_IN_OVL1 0x1 > + > +#define OVL_MOUT_EN_RDMA 0x1 > +#define BLS_TO_DSI_RDMA1_TO_DPI1 0x8 > +#define BLS_TO_DPI_RDMA1_TO_DSI 0x2 > +#define DSI_SEL_IN_BLS 0x0 > +#define DPI_SEL_IN_BLS 0x0 > +#define DSI_SEL_IN_RDMA 0x1 > + > +static unsigned int mtk_mmsys_ddp_mout_en(enum mtk_ddp_comp_id cur, > + enum mtk_ddp_comp_id next, > + unsigned int *addr) > +{ > + unsigned int value; > + > + if (cur == DDP_COMPONENT_OVL0 && next == DDP_COMPONENT_COLOR0) { > + *addr = DISP_REG_CONFIG_DISP_OVL0_MOUT_EN; > + value = OVL0_MOUT_EN_COLOR0; > + } else if (cur == DDP_COMPONENT_OVL0 && next == DDP_COMPONENT_RDMA0) { > + *addr = DISP_REG_CONFIG_DISP_OVL_MOUT_EN; > + value = OVL_MOUT_EN_RDMA; > + } else if (cur == DDP_COMPONENT_OD0 && next == DDP_COMPONENT_RDMA0) { > + *addr = DISP_REG_CONFIG_DISP_OD_MOUT_EN; > + value = OD_MOUT_EN_RDMA0; > + } else if (cur == DDP_COMPONENT_UFOE && next == DDP_COMPONENT_DSI0) { > + *addr = DISP_REG_CONFIG_DISP_UFOE_MOUT_EN; > + value = UFOE_MOUT_EN_DSI0; > + } else if (cur == DDP_COMPONENT_OVL1 && next == DDP_COMPONENT_COLOR1) { > + *addr = DISP_REG_CONFIG_DISP_OVL1_MOUT_EN; > + value = OVL1_MOUT_EN_COLOR1; > + } else if (cur == DDP_COMPONENT_GAMMA && next == DDP_COMPONENT_RDMA1) { > + *addr = DISP_REG_CONFIG_DISP_GAMMA_MOUT_EN; > + value = GAMMA_MOUT_EN_RDMA1; > + } else if (cur == DDP_COMPONENT_OD1 && next == DDP_COMPONENT_RDMA1) { > + *addr = DISP_REG_CONFIG_DISP_OD_MOUT_EN; > + value = OD1_MOUT_EN_RDMA1; > + } else if (cur == DDP_COMPONENT_RDMA0 && next == DDP_COMPONENT_DPI0) { > + *addr = DISP_REG_CONFIG_DISP_RDMA0_SOUT_EN; > + value = RDMA0_SOUT_DPI0; > + } else if (cur == DDP_COMPONENT_RDMA0 && next == DDP_COMPONENT_DPI1) { > + *addr = DISP_REG_CONFIG_DISP_RDMA0_SOUT_EN; > + value = RDMA0_SOUT_DPI1; > + } else if (cur == DDP_COMPONENT_RDMA0 && next == DDP_COMPONENT_DSI1) { > + *addr = DISP_REG_CONFIG_DISP_RDMA0_SOUT_EN; > + value = RDMA0_SOUT_DSI1; > + } else if (cur == DDP_COMPONENT_RDMA0 && next == DDP_COMPONENT_DSI2) { > + *addr = DISP_REG_CONFIG_DISP_RDMA0_SOUT_EN; > + value = RDMA0_SOUT_DSI2; > + } else if (cur == DDP_COMPONENT_RDMA0 && next == DDP_COMPONENT_DSI3) { > + *addr = DISP_REG_CONFIG_DISP_RDMA0_SOUT_EN; > + value = RDMA0_SOUT_DSI3; > + } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DSI1) { > + *addr = DISP_REG_CONFIG_DISP_RDMA1_SOUT_EN; > + value = RDMA1_SOUT_DSI1; > + } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DSI2) { > + *addr = DISP_REG_CONFIG_DISP_RDMA1_SOUT_EN; > + value = RDMA1_SOUT_DSI2; > + } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DSI3) { > + *addr = DISP_REG_CONFIG_DISP_RDMA1_SOUT_EN; > + value = RDMA1_SOUT_DSI3; > + } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DPI0) { > + *addr = DISP_REG_CONFIG_DISP_RDMA1_SOUT_EN; > + value = RDMA1_SOUT_DPI0; > + } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DPI1) { > + *addr = DISP_REG_CONFIG_DISP_RDMA1_SOUT_EN; > + value = RDMA1_SOUT_DPI1; > + } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DPI0) { > + *addr = DISP_REG_CONFIG_DISP_RDMA2_SOUT; > + value = RDMA2_SOUT_DPI0; > + } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DPI1) { > + *addr = DISP_REG_CONFIG_DISP_RDMA2_SOUT; > + value = RDMA2_SOUT_DPI1; > + } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DSI1) { > + *addr = DISP_REG_CONFIG_DISP_RDMA2_SOUT; > + value = RDMA2_SOUT_DSI1; > + } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DSI2) { > + *addr = DISP_REG_CONFIG_DISP_RDMA2_SOUT; > + value = RDMA2_SOUT_DSI2; > + } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DSI3) { > + *addr = DISP_REG_CONFIG_DISP_RDMA2_SOUT; > + value = RDMA2_SOUT_DSI3; > + } else { > + value = 0; > + } > + > + return value; > +} > + > +static unsigned int mtk_mmsys_ddp_sel_in(enum mtk_ddp_comp_id cur, > + enum mtk_ddp_comp_id next, > + unsigned int *addr) > +{ > + unsigned int value; > + > + if (cur == DDP_COMPONENT_OVL0 && next == DDP_COMPONENT_COLOR0) { > + *addr = DISP_REG_CONFIG_DISP_COLOR0_SEL_IN; > + value = COLOR0_SEL_IN_OVL0; > + } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DPI0) { > + *addr = DISP_REG_CONFIG_DPI_SEL_IN; > + value = DPI0_SEL_IN_RDMA1; > + } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DPI1) { > + *addr = DISP_REG_CONFIG_DPI_SEL_IN; > + value = DPI1_SEL_IN_RDMA1; > + } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DSI0) { > + *addr = DISP_REG_CONFIG_DSIE_SEL_IN; > + value = DSI0_SEL_IN_RDMA1; > + } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DSI1) { > + *addr = DISP_REG_CONFIG_DSIO_SEL_IN; > + value = DSI1_SEL_IN_RDMA1; > + } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DSI2) { > + *addr = DISP_REG_CONFIG_DSIE_SEL_IN; > + value = DSI2_SEL_IN_RDMA1; > + } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DSI3) { > + *addr = DISP_REG_CONFIG_DSIO_SEL_IN; > + value = DSI3_SEL_IN_RDMA1; > + } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DPI0) { > + *addr = DISP_REG_CONFIG_DPI_SEL_IN; > + value = DPI0_SEL_IN_RDMA2; > + } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DPI1) { > + *addr = DISP_REG_CONFIG_DPI_SEL_IN; > + value = DPI1_SEL_IN_RDMA2; > + } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DSI0) { > + *addr = DISP_REG_CONFIG_DSIE_SEL_IN; > + value = DSI0_SEL_IN_RDMA2; > + } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DSI1) { > + *addr = DISP_REG_CONFIG_DSIO_SEL_IN; > + value = DSI1_SEL_IN_RDMA2; > + } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DSI2) { > + *addr = DISP_REG_CONFIG_DSIE_SEL_IN; > + value = DSI2_SEL_IN_RDMA2; > + } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DSI3) { > + *addr = DISP_REG_CONFIG_DSIE_SEL_IN; > + value = DSI3_SEL_IN_RDMA2; > + } else if (cur == DDP_COMPONENT_OVL1 && next == DDP_COMPONENT_COLOR1) { > + *addr = DISP_REG_CONFIG_DISP_COLOR1_SEL_IN; > + value = COLOR1_SEL_IN_OVL1; > + } else if (cur == DDP_COMPONENT_BLS && next == DDP_COMPONENT_DSI0) { > + *addr = DISP_REG_CONFIG_DSI_SEL; > + value = DSI_SEL_IN_BLS; > + } else { > + value = 0; > + } > + > + return value; > +} > + > +static void mtk_mmsys_ddp_sout_sel(void __iomem *config_regs, > + enum mtk_ddp_comp_id cur, > + enum mtk_ddp_comp_id next) > +{ > + if (cur == DDP_COMPONENT_BLS && next == DDP_COMPONENT_DSI0) { > + writel_relaxed(BLS_TO_DSI_RDMA1_TO_DPI1, > + config_regs + DISP_REG_CONFIG_OUT_SEL); > + } else if (cur == DDP_COMPONENT_BLS && next == DDP_COMPONENT_DPI0) { > + writel_relaxed(BLS_TO_DPI_RDMA1_TO_DSI, > + config_regs + DISP_REG_CONFIG_OUT_SEL); > + writel_relaxed(DSI_SEL_IN_RDMA, > + config_regs + DISP_REG_CONFIG_DSI_SEL); > + writel_relaxed(DPI_SEL_IN_BLS, > + config_regs + DISP_REG_CONFIG_DPI_SEL); > + } > +} > + > +struct mtk_mmsys_conn_funcs mt2701_mmsys_funcs = { > + .mout_en = mtk_mmsys_ddp_mout_en, > + .sel_in = mtk_mmsys_ddp_sel_in, > + .sout_sel = mtk_mmsys_ddp_sout_sel, > +}; > diff --git a/drivers/soc/mediatek/mmsys/mtk-mmsys.c b/drivers/soc/mediatek/mmsys/mtk-mmsys.c > index da2de8f..9d6a3e9 100644 > --- a/drivers/soc/mediatek/mmsys/mtk-mmsys.c > +++ b/drivers/soc/mediatek/mmsys/mtk-mmsys.c > @@ -10,91 +10,34 @@ > #include > #include > > -#define DISP_REG_CONFIG_DISP_OVL0_MOUT_EN 0x040 > -#define DISP_REG_CONFIG_DISP_OVL1_MOUT_EN 0x044 > -#define DISP_REG_CONFIG_DISP_OD_MOUT_EN 0x048 > -#define DISP_REG_CONFIG_DISP_GAMMA_MOUT_EN 0x04c > -#define DISP_REG_CONFIG_DISP_UFOE_MOUT_EN 0x050 > -#define DISP_REG_CONFIG_DISP_COLOR0_SEL_IN 0x084 > -#define DISP_REG_CONFIG_DISP_COLOR1_SEL_IN 0x088 > -#define DISP_REG_CONFIG_DSIE_SEL_IN 0x0a4 > -#define DISP_REG_CONFIG_DSIO_SEL_IN 0x0a8 > -#define DISP_REG_CONFIG_DPI_SEL_IN 0x0ac > -#define DISP_REG_CONFIG_DISP_RDMA2_SOUT 0x0b8 > -#define DISP_REG_CONFIG_DISP_RDMA0_SOUT_EN 0x0c4 > -#define DISP_REG_CONFIG_DISP_RDMA1_SOUT_EN 0x0c8 > -#define DISP_REG_CONFIG_MMSYS_CG_CON0 0x100 > - > -#define DISP_REG_CONFIG_DISP_OVL_MOUT_EN 0x030 > -#define DISP_REG_CONFIG_OUT_SEL 0x04c > -#define DISP_REG_CONFIG_DSI_SEL 0x050 > -#define DISP_REG_CONFIG_DPI_SEL 0x064 > - > -#define OVL0_MOUT_EN_COLOR0 0x1 > -#define OD_MOUT_EN_RDMA0 0x1 > -#define OD1_MOUT_EN_RDMA1 BIT(16) > -#define UFOE_MOUT_EN_DSI0 0x1 > -#define COLOR0_SEL_IN_OVL0 0x1 > -#define OVL1_MOUT_EN_COLOR1 0x1 > -#define GAMMA_MOUT_EN_RDMA1 0x1 > -#define RDMA0_SOUT_DPI0 0x2 > -#define RDMA0_SOUT_DPI1 0x3 > -#define RDMA0_SOUT_DSI1 0x1 > -#define RDMA0_SOUT_DSI2 0x4 > -#define RDMA0_SOUT_DSI3 0x5 > -#define RDMA1_SOUT_DPI0 0x2 > -#define RDMA1_SOUT_DPI1 0x3 > -#define RDMA1_SOUT_DSI1 0x1 > -#define RDMA1_SOUT_DSI2 0x4 > -#define RDMA1_SOUT_DSI3 0x5 > -#define RDMA2_SOUT_DPI0 0x2 > -#define RDMA2_SOUT_DPI1 0x3 > -#define RDMA2_SOUT_DSI1 0x1 > -#define RDMA2_SOUT_DSI2 0x4 > -#define RDMA2_SOUT_DSI3 0x5 > -#define DPI0_SEL_IN_RDMA1 0x1 > -#define DPI0_SEL_IN_RDMA2 0x3 > -#define DPI1_SEL_IN_RDMA1 (0x1 << 8) > -#define DPI1_SEL_IN_RDMA2 (0x3 << 8) > -#define DSI0_SEL_IN_RDMA1 0x1 > -#define DSI0_SEL_IN_RDMA2 0x4 > -#define DSI1_SEL_IN_RDMA1 0x1 > -#define DSI1_SEL_IN_RDMA2 0x4 > -#define DSI2_SEL_IN_RDMA1 (0x1 << 16) > -#define DSI2_SEL_IN_RDMA2 (0x4 << 16) > -#define DSI3_SEL_IN_RDMA1 (0x1 << 16) > -#define DSI3_SEL_IN_RDMA2 (0x4 << 16) > -#define COLOR1_SEL_IN_OVL1 0x1 > - > -#define OVL_MOUT_EN_RDMA 0x1 > -#define BLS_TO_DSI_RDMA1_TO_DPI1 0x8 > -#define BLS_TO_DPI_RDMA1_TO_DSI 0x2 > -#define DSI_SEL_IN_BLS 0x0 > -#define DPI_SEL_IN_BLS 0x0 > -#define DSI_SEL_IN_RDMA 0x1 > - > struct mtk_mmsys_driver_data { > const char *clk_driver; > + const struct mtk_mmsys_conn_funcs *funcs; > }; > > static const struct mtk_mmsys_driver_data mt2701_mmsys_driver_data = { > .clk_driver = "clk-mt2701-mm", > + .funcs = &mt2701_mmsys_funcs, > }; > > static const struct mtk_mmsys_driver_data mt2712_mmsys_driver_data = { > .clk_driver = "clk-mt2712-mm", > + .funcs = &mt2701_mmsys_funcs, > }; > > static const struct mtk_mmsys_driver_data mt6779_mmsys_driver_data = { > .clk_driver = "clk-mt6779-mm", > + .funcs = &mt2701_mmsys_funcs, > }; > > static const struct mtk_mmsys_driver_data mt6797_mmsys_driver_data = { > .clk_driver = "clk-mt6797-mm", > + .funcs = &mt2701_mmsys_funcs, > }; > > static const struct mtk_mmsys_driver_data mt8173_mmsys_driver_data = { > .clk_driver = "clk-mt8173-mm", > + .funcs = &mt2701_mmsys_funcs, > }; > > static const struct mtk_mmsys_driver_data mt8183_mmsys_driver_data = { > @@ -106,176 +49,26 @@ struct mtk_mmsys { > const struct mtk_mmsys_driver_data *data; > }; > > -static unsigned int mtk_mmsys_ddp_mout_en(enum mtk_ddp_comp_id cur, > - enum mtk_ddp_comp_id next, > - unsigned int *addr) > -{ > - unsigned int value; > - > - if (cur == DDP_COMPONENT_OVL0 && next == DDP_COMPONENT_COLOR0) { > - *addr = DISP_REG_CONFIG_DISP_OVL0_MOUT_EN; > - value = OVL0_MOUT_EN_COLOR0; > - } else if (cur == DDP_COMPONENT_OVL0 && next == DDP_COMPONENT_RDMA0) { > - *addr = DISP_REG_CONFIG_DISP_OVL_MOUT_EN; > - value = OVL_MOUT_EN_RDMA; > - } else if (cur == DDP_COMPONENT_OD0 && next == DDP_COMPONENT_RDMA0) { > - *addr = DISP_REG_CONFIG_DISP_OD_MOUT_EN; > - value = OD_MOUT_EN_RDMA0; > - } else if (cur == DDP_COMPONENT_UFOE && next == DDP_COMPONENT_DSI0) { > - *addr = DISP_REG_CONFIG_DISP_UFOE_MOUT_EN; > - value = UFOE_MOUT_EN_DSI0; > - } else if (cur == DDP_COMPONENT_OVL1 && next == DDP_COMPONENT_COLOR1) { > - *addr = DISP_REG_CONFIG_DISP_OVL1_MOUT_EN; > - value = OVL1_MOUT_EN_COLOR1; > - } else if (cur == DDP_COMPONENT_GAMMA && next == DDP_COMPONENT_RDMA1) { > - *addr = DISP_REG_CONFIG_DISP_GAMMA_MOUT_EN; > - value = GAMMA_MOUT_EN_RDMA1; > - } else if (cur == DDP_COMPONENT_OD1 && next == DDP_COMPONENT_RDMA1) { > - *addr = DISP_REG_CONFIG_DISP_OD_MOUT_EN; > - value = OD1_MOUT_EN_RDMA1; > - } else if (cur == DDP_COMPONENT_RDMA0 && next == DDP_COMPONENT_DPI0) { > - *addr = DISP_REG_CONFIG_DISP_RDMA0_SOUT_EN; > - value = RDMA0_SOUT_DPI0; > - } else if (cur == DDP_COMPONENT_RDMA0 && next == DDP_COMPONENT_DPI1) { > - *addr = DISP_REG_CONFIG_DISP_RDMA0_SOUT_EN; > - value = RDMA0_SOUT_DPI1; > - } else if (cur == DDP_COMPONENT_RDMA0 && next == DDP_COMPONENT_DSI1) { > - *addr = DISP_REG_CONFIG_DISP_RDMA0_SOUT_EN; > - value = RDMA0_SOUT_DSI1; > - } else if (cur == DDP_COMPONENT_RDMA0 && next == DDP_COMPONENT_DSI2) { > - *addr = DISP_REG_CONFIG_DISP_RDMA0_SOUT_EN; > - value = RDMA0_SOUT_DSI2; > - } else if (cur == DDP_COMPONENT_RDMA0 && next == DDP_COMPONENT_DSI3) { > - *addr = DISP_REG_CONFIG_DISP_RDMA0_SOUT_EN; > - value = RDMA0_SOUT_DSI3; > - } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DSI1) { > - *addr = DISP_REG_CONFIG_DISP_RDMA1_SOUT_EN; > - value = RDMA1_SOUT_DSI1; > - } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DSI2) { > - *addr = DISP_REG_CONFIG_DISP_RDMA1_SOUT_EN; > - value = RDMA1_SOUT_DSI2; > - } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DSI3) { > - *addr = DISP_REG_CONFIG_DISP_RDMA1_SOUT_EN; > - value = RDMA1_SOUT_DSI3; > - } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DPI0) { > - *addr = DISP_REG_CONFIG_DISP_RDMA1_SOUT_EN; > - value = RDMA1_SOUT_DPI0; > - } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DPI1) { > - *addr = DISP_REG_CONFIG_DISP_RDMA1_SOUT_EN; > - value = RDMA1_SOUT_DPI1; > - } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DPI0) { > - *addr = DISP_REG_CONFIG_DISP_RDMA2_SOUT; > - value = RDMA2_SOUT_DPI0; > - } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DPI1) { > - *addr = DISP_REG_CONFIG_DISP_RDMA2_SOUT; > - value = RDMA2_SOUT_DPI1; > - } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DSI1) { > - *addr = DISP_REG_CONFIG_DISP_RDMA2_SOUT; > - value = RDMA2_SOUT_DSI1; > - } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DSI2) { > - *addr = DISP_REG_CONFIG_DISP_RDMA2_SOUT; > - value = RDMA2_SOUT_DSI2; > - } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DSI3) { > - *addr = DISP_REG_CONFIG_DISP_RDMA2_SOUT; > - value = RDMA2_SOUT_DSI3; > - } else { > - value = 0; > - } > - > - return value; > -} > - > -static unsigned int mtk_mmsys_ddp_sel_in(enum mtk_ddp_comp_id cur, > - enum mtk_ddp_comp_id next, > - unsigned int *addr) > -{ > - unsigned int value; > - > - if (cur == DDP_COMPONENT_OVL0 && next == DDP_COMPONENT_COLOR0) { > - *addr = DISP_REG_CONFIG_DISP_COLOR0_SEL_IN; > - value = COLOR0_SEL_IN_OVL0; > - } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DPI0) { > - *addr = DISP_REG_CONFIG_DPI_SEL_IN; > - value = DPI0_SEL_IN_RDMA1; > - } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DPI1) { > - *addr = DISP_REG_CONFIG_DPI_SEL_IN; > - value = DPI1_SEL_IN_RDMA1; > - } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DSI0) { > - *addr = DISP_REG_CONFIG_DSIE_SEL_IN; > - value = DSI0_SEL_IN_RDMA1; > - } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DSI1) { > - *addr = DISP_REG_CONFIG_DSIO_SEL_IN; > - value = DSI1_SEL_IN_RDMA1; > - } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DSI2) { > - *addr = DISP_REG_CONFIG_DSIE_SEL_IN; > - value = DSI2_SEL_IN_RDMA1; > - } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DSI3) { > - *addr = DISP_REG_CONFIG_DSIO_SEL_IN; > - value = DSI3_SEL_IN_RDMA1; > - } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DPI0) { > - *addr = DISP_REG_CONFIG_DPI_SEL_IN; > - value = DPI0_SEL_IN_RDMA2; > - } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DPI1) { > - *addr = DISP_REG_CONFIG_DPI_SEL_IN; > - value = DPI1_SEL_IN_RDMA2; > - } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DSI0) { > - *addr = DISP_REG_CONFIG_DSIE_SEL_IN; > - value = DSI0_SEL_IN_RDMA2; > - } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DSI1) { > - *addr = DISP_REG_CONFIG_DSIO_SEL_IN; > - value = DSI1_SEL_IN_RDMA2; > - } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DSI2) { > - *addr = DISP_REG_CONFIG_DSIE_SEL_IN; > - value = DSI2_SEL_IN_RDMA2; > - } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DSI3) { > - *addr = DISP_REG_CONFIG_DSIE_SEL_IN; > - value = DSI3_SEL_IN_RDMA2; > - } else if (cur == DDP_COMPONENT_OVL1 && next == DDP_COMPONENT_COLOR1) { > - *addr = DISP_REG_CONFIG_DISP_COLOR1_SEL_IN; > - value = COLOR1_SEL_IN_OVL1; > - } else if (cur == DDP_COMPONENT_BLS && next == DDP_COMPONENT_DSI0) { > - *addr = DISP_REG_CONFIG_DSI_SEL; > - value = DSI_SEL_IN_BLS; > - } else { > - value = 0; > - } > - > - return value; > -} > - > -static void mtk_mmsys_ddp_sout_sel(void __iomem *config_regs, > - enum mtk_ddp_comp_id cur, > - enum mtk_ddp_comp_id next) > -{ > - if (cur == DDP_COMPONENT_BLS && next == DDP_COMPONENT_DSI0) { > - writel_relaxed(BLS_TO_DSI_RDMA1_TO_DPI1, > - config_regs + DISP_REG_CONFIG_OUT_SEL); > - } else if (cur == DDP_COMPONENT_BLS && next == DDP_COMPONENT_DPI0) { > - writel_relaxed(BLS_TO_DPI_RDMA1_TO_DSI, > - config_regs + DISP_REG_CONFIG_OUT_SEL); > - writel_relaxed(DSI_SEL_IN_RDMA, > - config_regs + DISP_REG_CONFIG_DSI_SEL); > - writel_relaxed(DPI_SEL_IN_BLS, > - config_regs + DISP_REG_CONFIG_DPI_SEL); > - } > -} > - > void mtk_mmsys_ddp_connect(struct device *dev, > enum mtk_ddp_comp_id cur, > enum mtk_ddp_comp_id next) > { > struct mtk_mmsys *mmsys = dev_get_drvdata(dev); > unsigned int addr, value, reg; > + struct mtk_mmsys_conn_funcs *funcs = mmsys->data->funcs; Compiling error here: initializing 'struct mtk_mmsys_conn_funcs *' with an expression of type 'const struct mtk_mmsys_conn_funcs *const' discards qualifiers [-Werror,-Wincompatible-pointer-types-discards-qualifiers] struct mtk_mmsys_conn_funcs *funcs = mmsys->data->funcs; const struct mtk_mmsys_conn_funcs *funcs = mmsys->data->funcs; > > - value = mtk_mmsys_ddp_mout_en(cur, next, &addr); > + if (!funcs) > + return; > + > + value = funcs->mout_en(cur, next, &addr); > if (value) { > reg = readl_relaxed(mmsys->regs + addr) | value; > writel_relaxed(reg, mmsys->regs + addr); > } > > - mtk_mmsys_ddp_sout_sel(mmsys->regs, cur, next); > + funcs->sout_sel(mmsys->regs, cur, next); > > - value = mtk_mmsys_ddp_sel_in(cur, next, &addr); > + value = funcs->sel_in(cur, next, &addr); > if (value) { > reg = readl_relaxed(mmsys->regs + addr) | value; > writel_relaxed(reg, mmsys->regs + addr); > @@ -289,14 +82,18 @@ void mtk_mmsys_ddp_disconnect(struct device *dev, > { > struct mtk_mmsys *mmsys = dev_get_drvdata(dev); > unsigned int addr, value, reg; > + struct mtk_mmsys_conn_funcs *funcs = mmsys->data->funcs; > + > + if (!funcs) > + return; > > - value = mtk_mmsys_ddp_mout_en(cur, next, &addr); > + value = funcs->mout_en(cur, next, &addr); > if (value) { > reg = readl_relaxed(mmsys->regs + addr) & ~value; > writel_relaxed(reg, mmsys->regs + addr); > } > > - value = mtk_mmsys_ddp_sel_in(cur, next, &addr); > + value = funcs->sel_in(cur, next, &addr); > if (value) { > reg = readl_relaxed(mmsys->regs + addr) & ~value; > writel_relaxed(reg, mmsys->regs + addr); > diff --git a/include/linux/soc/mediatek/mtk-mmsys.h b/include/linux/soc/mediatek/mtk-mmsys.h > index 2228bf6..17e8b91 100644 > --- a/include/linux/soc/mediatek/mtk-mmsys.h > +++ b/include/linux/soc/mediatek/mtk-mmsys.h > @@ -42,6 +42,20 @@ enum mtk_ddp_comp_id { > DDP_COMPONENT_ID_MAX, > }; > > +struct mtk_mmsys_conn_funcs { > + u32 (*mout_en)(enum mtk_ddp_comp_id cur, > + enum mtk_ddp_comp_id next, > + unsigned int *addr); > + u32 (*sel_in)(enum mtk_ddp_comp_id cur, > + enum mtk_ddp_comp_id next, > + unsigned int *addr); > + void (*sout_sel)(void __iomem *config_regs, > + enum mtk_ddp_comp_id cur, > + enum mtk_ddp_comp_id next); > +}; > + > +extern struct mtk_mmsys_conn_funcs mt2701_mmsys_funcs; > + > void mtk_mmsys_ddp_connect(struct device *dev, > enum mtk_ddp_comp_id cur, > enum mtk_ddp_comp_id next);