From patchwork Thu Oct 5 09:29:48 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Manikandan Muralidharan X-Patchwork-Id: 13409899 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 2E42EE82CAC for ; Thu, 5 Oct 2023 09:30:55 +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=TnqpJnci/NxhxVFP6QHOqmJzk+OarQ+YE8DZEE8Ees8=; b=0lTXOk1L5Woosp uG3ykrl4kXBMSTYxMv2ZpK6KTp9FS6eVaa66FwU4HrcT6Rq+qk5WY84fHB8zznBvCJL2PQYOP4fb0 ZmHxKIZg9OzaarjgBT5OG+O5fUWCQha9xtrn4eoB19B4wfUT8chfILfnFT5Vp8SE7HkWbmeMHrdfT eKsz37qPtKgsW2DX/jSUi77vBUHFPSdBr8dN3oR24lXyXd4DT8oRcOvaqjTFC3jmlzLLMvQ/+WDSH tF0T2xZTCJmhFhqxBtTBxlFgBJYpts7wBiQnHB9Rv0OLeWSt8vbkXlZIURD8z2xYpPGy6f7A1EoAC xyvcqN24NzDVDncSP11Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qoKgb-001lEK-0U; Thu, 05 Oct 2023 09:30:25 +0000 Received: from esa.microchip.iphmx.com ([68.232.153.233]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qoKgX-001lAn-0g for linux-arm-kernel@lists.infradead.org; Thu, 05 Oct 2023 09:30:23 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1696498221; x=1728034221; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=tJbtQ1MlE1W9rRSJGxdgP3sxAM2uACs3ZmeI+EII/UM=; b=olM7QrRk7D37kibfAYNh1pvNVl9n5ylVsKNm/kFv7B53CFUsrp+n56Jb xLLaLHscWgiZX2yNfNOCIlx6YaImmcQrcNW5fJkN2mtrC+MYIrHnRPRAA XzTzem8Ek0tNT6ymRsjKvbBbGlvRQbBWNMymXGe7/bYsobKcrmf2eP8hw iDYUNmvKjT2kdD7Kq4XkOTGiktFilBnDZJhi0/L2DlFGIrfQO6J2s8L6F g9Ul/0a6MhfEV83BmAU0c08luRoiPM+neQ5PWzw/Z4F9DsVgU0WNxqNfe FtKBUaraYRoorMl2NmilCEdGitd2Zim2bM86eK63c2xo3duSMOnadb0Yc A==; X-CSE-ConnectionGUID: pNqRUMmsQ46P00UoeOunFg== X-CSE-MsgGUID: z1nv3CqUSoywBv3Qj0wD/Q== X-ThreatScanner-Verdict: Negative X-IronPort-AV: E=Sophos;i="6.03,202,1694761200"; d="scan'208";a="8182740" X-Amp-Result: SKIPPED(no attachment in message) Received: from unknown (HELO email.microchip.com) ([170.129.1.10]) by esa3.microchip.iphmx.com with ESMTP/TLS/ECDHE-RSA-AES128-GCM-SHA256; 05 Oct 2023 02:30:21 -0700 Received: from chn-vm-ex03.mchp-main.com (10.10.85.151) by chn-vm-ex04.mchp-main.com (10.10.85.152) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.21; Thu, 5 Oct 2023 02:30:12 -0700 Received: from che-lt-i67131.microchip.com (10.10.85.11) by chn-vm-ex03.mchp-main.com (10.10.85.151) with Microsoft SMTP Server id 15.1.2507.21 via Frontend Transport; Thu, 5 Oct 2023 02:30:05 -0700 From: Manikandan Muralidharan To: , , , , , , , , , CC: , , , , , , , Manikandan Muralidharan Subject: [PATCH v7 1/7] drm: atmel-hlcdc: add flag and driver ops to differentiate XLCDC and HLCDC IP Date: Thu, 5 Oct 2023 14:59:48 +0530 Message-ID: <20231005092954.881059-2-manikandan.m@microchip.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20231005092954.881059-1-manikandan.m@microchip.com> References: <20231005092954.881059-1-manikandan.m@microchip.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231005_023021_252291_3C920BE6 X-CRM114-Status: UNSURE ( 9.33 ) X-CRM114-Notice: Please train this message. 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 Add is_xlcdc flag and LCD IP specific ops in driver data to differentiate XLCDC and HLCDC code within the atmel-hlcdc driver files. Signed-off-by: Manikandan Muralidharan --- drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.h | 37 ++++++++++++++++++++ 1 file changed, 37 insertions(+) diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.h b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.h index 5b5c774e0edf..d5e01ff8c7f9 100644 --- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.h +++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.h @@ -177,6 +177,9 @@ struct atmel_hlcdc_layer_cfg_layout { int csc; }; +struct atmel_hlcdc_plane_state; +struct atmel_hlcdc_dc; + /** * Atmel HLCDC DMA descriptor structure * @@ -288,6 +291,36 @@ atmel_hlcdc_layer_to_plane(struct atmel_hlcdc_layer *layer) return container_of(layer, struct atmel_hlcdc_plane, layer); } +/** + * struct atmel_lcdc_dc_ops - describes atmel_lcdc ops group + * to differentiate HLCDC and XLCDC IP code support. + * @plane_setup_scaler: update the vertical and horizontal scaling factors + * @update_lcdc_buffers: update the each LCDC layers DMA registers. + * @lcdc_atomic_disable: disable LCDC interrupts and layers + * @lcdc_update_general_settings: update each LCDC layers general + * confiugration register. + * @lcdc_atomic_update: enable the LCDC layers and interrupts. + * @lcdc_csc_init: update the color space conversion co-efficient of + * High-end overlay register. + * @lcdc_irq_dbg: to raise alert incase of interrupt overrun in any LCDC layer. + */ +struct atmel_lcdc_dc_ops { + void (*plane_setup_scaler)(struct atmel_hlcdc_plane *plane, + struct atmel_hlcdc_plane_state *state); + void (*update_lcdc_buffers)(struct atmel_hlcdc_plane *plane, + struct atmel_hlcdc_plane_state *state, + u32 sr, int i); + void (*lcdc_atomic_disable)(struct atmel_hlcdc_plane *plane); + void (*lcdc_update_general_settings)(struct atmel_hlcdc_plane *plane, + struct atmel_hlcdc_plane_state *state); + void (*lcdc_atomic_update)(struct atmel_hlcdc_plane *plane, + struct atmel_hlcdc_dc *dc); + void (*lcdc_csc_init)(struct atmel_hlcdc_plane *plane, + const struct atmel_hlcdc_layer_desc *desc); + void (*lcdc_irq_dbg)(struct atmel_hlcdc_plane *plane, + const struct atmel_hlcdc_layer_desc *desc); +}; + /** * Atmel HLCDC Display Controller description structure. * @@ -304,8 +337,10 @@ atmel_hlcdc_layer_to_plane(struct atmel_hlcdc_layer *layer) * @conflicting_output_formats: true if RGBXXX output formats conflict with * each other. * @fixed_clksrc: true if clock source is fixed + * @is_xlcdc: true if XLCDC IP is supported * @layers: a layer description table describing available layers * @nlayers: layer description table size + * @ops: atmel lcdc dc ops */ struct atmel_hlcdc_dc_desc { int min_width; @@ -317,8 +352,10 @@ struct atmel_hlcdc_dc_desc { int max_hpw; bool conflicting_output_formats; bool fixed_clksrc; + bool is_xlcdc; const struct atmel_hlcdc_layer_desc *layers; int nlayers; + const struct atmel_lcdc_dc_ops *ops; }; /**