From patchwork Wed Sep 1 23:49:07 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kieran Bingham X-Patchwork-Id: 12470551 X-Patchwork-Delegate: kieran@bingham.xyz 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=-18.8 required=3.0 tests=BAYES_00,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, USER_AGENT_GIT autolearn=ham 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 E0420C432BE for ; Wed, 1 Sep 2021 23:49:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CAE876023E for ; Wed, 1 Sep 2021 23:49:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239077AbhIAXuO (ORCPT ); Wed, 1 Sep 2021 19:50:14 -0400 Received: from perceval.ideasonboard.com ([213.167.242.64]:53766 "EHLO perceval.ideasonboard.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235391AbhIAXuN (ORCPT ); Wed, 1 Sep 2021 19:50:13 -0400 Received: from Monstersaurus.local (cpc89244-aztw30-2-0-cust3082.18-1.cable.virginm.net [86.31.172.11]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id C4EDF1909; Thu, 2 Sep 2021 01:49:13 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1630540154; bh=KR+5ekX2d7jbFxpRvg5s+HRzyRMzZ198XHNPIp2ghgg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=OxpYBnfqPpr3kLhTcfrGIHXxISWsGQrRVUXPdf2fTkLEIlh/g4zSeCYDQaABBqzrx TCnMJMALK3epIW7VS+BC7lve8DikMiMS1tu7mLLGvUEBaUKYwR3tEpAAQ7u709KXd3 khBme0lOeUXzrespriNV+YKTbNp/gTa72mKuD350= From: Kieran Bingham To: linux-renesas-soc@vger.kernel.org, Laurent Pinchart Cc: Kieran Bingham , David Airlie , Daniel Vetter , dri-devel@lists.freedesktop.org (open list:DRM DRIVERS FOR RENESAS), linux-kernel@vger.kernel.org (open list) Subject: [PATCH v2 5/5] drm: rcar-du: Add r8a779a0 device support Date: Thu, 2 Sep 2021 00:49:07 +0100 Message-Id: <20210901234907.1608896-6-kieran.bingham@ideasonboard.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210901234907.1608896-1-kieran.bingham@ideasonboard.com> References: <20210901234907.1608896-1-kieran.bingham@ideasonboard.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org From: Kieran Bingham Extend the rcar_du_device_info structure and rcar_du_output enum to support DSI outputs and utilise these additions to provide support for the R8A779A0 V3U platform. While the DIDSR register field is now named "DSI/CSI-2-TX-IF0 Dot Clock Select" the existing define LVDS0 is used, and is directly compatible from other DU variants. Signed-off-by: Kieran Bingham --- I can add a macro named DIDSR_LDCS_DSI0 duplicating DIDSR_LDCS_LVDS0 if it's deemed better. v2: - No longer requires a direct interface with the DSI encoder - Use correct field naming (LDCS) - Remove per-crtc clock feature. drivers/gpu/drm/rcar-du/rcar_du_crtc.h | 2 ++ drivers/gpu/drm/rcar-du/rcar_du_drv.c | 20 ++++++++++++++++++++ drivers/gpu/drm/rcar-du/rcar_du_drv.h | 2 ++ drivers/gpu/drm/rcar-du/rcar_du_group.c | 2 ++ 4 files changed, 26 insertions(+) diff --git a/drivers/gpu/drm/rcar-du/rcar_du_crtc.h b/drivers/gpu/drm/rcar-du/rcar_du_crtc.h index 440e6b4fbb58..26e79b74898c 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_crtc.h +++ b/drivers/gpu/drm/rcar-du/rcar_du_crtc.h @@ -96,6 +96,8 @@ struct rcar_du_crtc_state { enum rcar_du_output { RCAR_DU_OUTPUT_DPAD0, RCAR_DU_OUTPUT_DPAD1, + RCAR_DU_OUTPUT_DSI0, + RCAR_DU_OUTPUT_DSI1, RCAR_DU_OUTPUT_HDMI0, RCAR_DU_OUTPUT_HDMI1, RCAR_DU_OUTPUT_LVDS0, diff --git a/drivers/gpu/drm/rcar-du/rcar_du_drv.c b/drivers/gpu/drm/rcar-du/rcar_du_drv.c index 8a094d5b9c77..8b4c8851b6bc 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_drv.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_drv.c @@ -489,6 +489,25 @@ static const struct rcar_du_device_info rcar_du_r8a7799x_info = { .lvds_clk_mask = BIT(1) | BIT(0), }; +static const struct rcar_du_device_info rcar_du_r8a779a0_info = { + .gen = 3, + .features = RCAR_DU_FEATURE_CRTC_IRQ + | RCAR_DU_FEATURE_VSP1_SOURCE, + .channels_mask = BIT(1) | BIT(0), + .routes = { + /* R8A779A0 has two MIPI DSI outputs. */ + [RCAR_DU_OUTPUT_DSI0] = { + .possible_crtcs = BIT(0), + .port = 0, + }, + [RCAR_DU_OUTPUT_DSI1] = { + .possible_crtcs = BIT(1), + .port = 1, + }, + }, + .dsi_clk_mask = BIT(1) | BIT(0), +}; + static const struct of_device_id rcar_du_of_table[] = { { .compatible = "renesas,du-r8a7742", .data = &rcar_du_r8a7790_info }, { .compatible = "renesas,du-r8a7743", .data = &rzg1_du_r8a7743_info }, @@ -513,6 +532,7 @@ static const struct of_device_id rcar_du_of_table[] = { { .compatible = "renesas,du-r8a77980", .data = &rcar_du_r8a77970_info }, { .compatible = "renesas,du-r8a77990", .data = &rcar_du_r8a7799x_info }, { .compatible = "renesas,du-r8a77995", .data = &rcar_du_r8a7799x_info }, + { .compatible = "renesas,du-r8a779a0", .data = &rcar_du_r8a779a0_info }, { } }; diff --git a/drivers/gpu/drm/rcar-du/rcar_du_drv.h b/drivers/gpu/drm/rcar-du/rcar_du_drv.h index 5fe9152454ff..cf98d43d72d0 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_drv.h +++ b/drivers/gpu/drm/rcar-du/rcar_du_drv.h @@ -57,6 +57,7 @@ struct rcar_du_output_routing { * @routes: array of CRTC to output routes, indexed by output (RCAR_DU_OUTPUT_*) * @num_lvds: number of internal LVDS encoders * @dpll_mask: bit mask of DU channels equipped with a DPLL + * @dsi_clk_mask: bitmask of channels that can use the DSI clock as dot clock * @lvds_clk_mask: bitmask of channels that can use the LVDS clock as dot clock */ struct rcar_du_device_info { @@ -67,6 +68,7 @@ struct rcar_du_device_info { struct rcar_du_output_routing routes[RCAR_DU_OUTPUT_MAX]; unsigned int num_lvds; unsigned int dpll_mask; + unsigned int dsi_clk_mask; unsigned int lvds_clk_mask; }; diff --git a/drivers/gpu/drm/rcar-du/rcar_du_group.c b/drivers/gpu/drm/rcar-du/rcar_du_group.c index a984eef265d2..27c912bab76e 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_group.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_group.c @@ -124,6 +124,8 @@ static void rcar_du_group_setup_didsr(struct rcar_du_group *rgrp) if (rcdu->info->lvds_clk_mask & BIT(rcrtc->index)) didsr |= DIDSR_LDCS_LVDS0(i) | DIDSR_PDCS_CLK(i, 0); + else if (rcdu->info->dsi_clk_mask & BIT(rcrtc->index)) + didsr |= DIDSR_LDCS_LVDS0(i); else didsr |= DIDSR_LDCS_DCLKIN(i) | DIDSR_PDCS_CLK(i, 0);