From patchwork Thu Sep 22 07:29:22 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?WGlubGVpIExlZSAo5p2O5piV56OKKQ==?= X-Patchwork-Id: 12984666 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 C7DE4C6FA8B for ; Thu, 22 Sep 2022 07:31:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=iOdk3hpxmvhVurUAlV7OLGUJ7xM0EQURIpTcmMLt4jU=; b=4aiinybPw2GZWe ucPrRzD+LKbpctmAp92bVpwIbJClDDDQozwode4NPyFJ9kf5fWNsL8thXpJT+LBg8RNETGuWxltsN MMx0M1YdLhCVX5nplIGKXLJEapr4iAa1pdDrfCTomI/KDw9v05ky5OUuStz5E3cM46dYmLUP+LUfQ IQMsYE4Beief/YEIq9J6bfb+eUTUpWKwXgWPaUOrhSE03VGsWF7SWSby3FRFYaf5PGXO69CarTDML FGohcYgbQSCUBTKEp2SvZEdLKizw3IeZ3Lv7K69gqiqvdiKbuxN4PhNZ7WEuc0/mxx7wnc3/ebA6k GsSt1X/h7U+OP2pm3g4Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1obGfD-00Dqrj-SM; Thu, 22 Sep 2022 07:30:28 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1obGev-00DqkC-AL; Thu, 22 Sep 2022 07:30:11 +0000 X-UUID: e1c9cddea5cf4d218c5a975bc6ccdf1b-20220922 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=TkJRIDcEgfyqlqBAXy4O2qBob2FyY4hJGpkDrUrwH3g=; b=ShJPFIoNCOGVq/2kVEtFx8F2TD7/02fIFrUTIq2NIZ8PAwePeDZLYH00BjkIEoAf2tAnNAsfWf1QhuYrR7kyfA2nMEarMDSrf8zKoQNXmTGkw/X4AJjQIvQhWwN/vNO9+G5OiH7o2QOIpO7lE8Eb+3YZ6rggbIU69Qhe+tVYVXM=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.11,REQID:0def567c-bce2-446e-9fa5-203c27447719,IP:0,U RL:0,TC:0,Content:-25,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTIO N:release,TS:-25 X-CID-META: VersionHash:39a5ff1,CLOUDID:4aa9a706-1cee-4c38-b21b-a45f9682fdc0,B ulkID:nil,BulkQuantity:0,Recheck:0,SF:nil,TC:nil,Content:0,EDM:-3,IP:nil,U RL:0,File:nil,Bulk:nil,QS:nil,BEC:nil,COL:0 X-UUID: e1c9cddea5cf4d218c5a975bc6ccdf1b-20220922 Received: from mtkmbs11n1.mediatek.inc [(172.21.101.185)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 1186146250; Thu, 22 Sep 2022 00:30:02 -0700 Received: from mtkcas10.mediatek.inc (172.21.101.39) by mtkmbs10n1.mediatek.inc (172.21.101.34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.2.792.15; Thu, 22 Sep 2022 15:29:31 +0800 Received: from mszsdaap41.gcn.mediatek.inc (10.16.6.141) by mtkcas10.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Thu, 22 Sep 2022 15:29:31 +0800 From: To: , , , , , , , CC: , , , , , , Xinlei Lee Subject: [PATCH v7,1/3] soc: mediatek: Add mmsys func to adapt to dpi output for MT8186 Date: Thu, 22 Sep 2022 15:29:22 +0800 Message-ID: <1663831764-18169-2-git-send-email-xinlei.lee@mediatek.com> X-Mailer: git-send-email 2.6.4 In-Reply-To: <1663831764-18169-1-git-send-email-xinlei.lee@mediatek.com> References: <1663831764-18169-1-git-send-email-xinlei.lee@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220922_003009_389589_C6E05114 X-CRM114-Status: GOOD ( 12.08 ) 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: Xinlei Lee The difference between MT8186 and other ICs is that when modifying the output format, we need to modify the mmsys_base+0x400 register to take effect. So when setting the dpi output format, we need to call mmsys_func to set it to MT8186 synchronously. Co-developed-by: Jitao Shi Signed-off-by: Jitao Shi Signed-off-by: Xinlei Lee --- drivers/soc/mediatek/mt8186-mmsys.h | 8 +++++++ drivers/soc/mediatek/mtk-mmsys.c | 32 ++++++++++++++++++++++++++ include/linux/soc/mediatek/mtk-mmsys.h | 9 ++++++++ 3 files changed, 49 insertions(+) diff --git a/drivers/soc/mediatek/mt8186-mmsys.h b/drivers/soc/mediatek/mt8186-mmsys.h index eb1ad9c37a9c..536005d1cc55 100644 --- a/drivers/soc/mediatek/mt8186-mmsys.h +++ b/drivers/soc/mediatek/mt8186-mmsys.h @@ -3,6 +3,14 @@ #ifndef __SOC_MEDIATEK_MT8186_MMSYS_H #define __SOC_MEDIATEK_MT8186_MMSYS_H +/* Values for DPI configuration in MMSYS address space */ +#define MT8186_MMSYS_DPI_OUTPUT_FORMAT 0x400 +#define DPI_FORMAT_MASK 0x3 +#define DPI_RGB888_SDR_CON 0 +#define DPI_RGB888_DDR_CON 1 +#define DPI_RGB565_SDR_CON 2 +#define DPI_RGB565_DDR_CON 3 + #define MT8186_MMSYS_OVL_CON 0xF04 #define MT8186_MMSYS_OVL0_CON_MASK 0x3 #define MT8186_MMSYS_OVL0_2L_CON_MASK 0xC diff --git a/drivers/soc/mediatek/mtk-mmsys.c b/drivers/soc/mediatek/mtk-mmsys.c index 06d8e83a2cb5..0857806206dc 100644 --- a/drivers/soc/mediatek/mtk-mmsys.c +++ b/drivers/soc/mediatek/mtk-mmsys.c @@ -227,6 +227,38 @@ void mtk_mmsys_ddp_disconnect(struct device *dev, } EXPORT_SYMBOL_GPL(mtk_mmsys_ddp_disconnect); +static void mtk_mmsys_update_bits(struct mtk_mmsys *mmsys, u32 offset, u32 mask, u32 val) +{ + u32 tmp; + + tmp = readl_relaxed(mmsys->regs + offset); + tmp = (tmp & ~mask) | val; + writel_relaxed(tmp, mmsys->regs + offset); +} + +void mtk_mmsys_ddp_dpi_fmt_config(struct device *dev, u32 val) +{ + switch (val) { + case MTK_DPI_RGB888_DDR_CON: + mtk_mmsys_update_bits(dev_get_drvdata(dev), MT8186_MMSYS_DPI_OUTPUT_FORMAT, + DPI_FORMAT_MASK, DPI_RGB888_DDR_CON); + break; + case MTK_DPI_RGB565_SDR_CON: + mtk_mmsys_update_bits(dev_get_drvdata(dev), MT8186_MMSYS_DPI_OUTPUT_FORMAT, + DPI_FORMAT_MASK, DPI_RGB565_SDR_CON); + break; + case MTK_DPI_RGB565_DDR_CON: + mtk_mmsys_update_bits(dev_get_drvdata(dev), MT8186_MMSYS_DPI_OUTPUT_FORMAT, + DPI_FORMAT_MASK, DPI_RGB565_DDR_CON); + break; + default: + mtk_mmsys_update_bits(dev_get_drvdata(dev), MT8186_MMSYS_DPI_OUTPUT_FORMAT, + DPI_FORMAT_MASK, DPI_RGB888_DDR_CON); + break; + } +} +EXPORT_SYMBOL_GPL(mtk_mmsys_ddp_dpi_fmt_config); + static int mtk_mmsys_reset_update(struct reset_controller_dev *rcdev, unsigned long id, bool assert) { diff --git a/include/linux/soc/mediatek/mtk-mmsys.h b/include/linux/soc/mediatek/mtk-mmsys.h index 59117d970daf..b85f66db33e1 100644 --- a/include/linux/soc/mediatek/mtk-mmsys.h +++ b/include/linux/soc/mediatek/mtk-mmsys.h @@ -9,6 +9,13 @@ enum mtk_ddp_comp_id; struct device; +enum mtk_dpi_out_format_con { + MTK_DPI_RGB888_SDR_CON, + MTK_DPI_RGB888_DDR_CON, + MTK_DPI_RGB565_SDR_CON, + MTK_DPI_RGB565_DDR_CON +}; + enum mtk_ddp_comp_id { DDP_COMPONENT_AAL0, DDP_COMPONENT_AAL1, @@ -65,4 +72,6 @@ void mtk_mmsys_ddp_disconnect(struct device *dev, enum mtk_ddp_comp_id cur, enum mtk_ddp_comp_id next); +void mtk_mmsys_ddp_dpi_fmt_config(struct device *dev, u32 val); + #endif /* __MTK_MMSYS_H */