From patchwork Thu Sep 19 15:19:39 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kaustabh Chakraborty X-Patchwork-Id: 13808162 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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 58D77CF58E0 for ; Fri, 20 Sep 2024 07:22:58 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id C425610E7C2; Fri, 20 Sep 2024 07:22:51 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; secure) header.d=disroot.org header.i=@disroot.org header.b="A55hCsmd"; dkim-atps=neutral Received: from layka.disroot.org (layka.disroot.org [178.21.23.139]) by gabe.freedesktop.org (Postfix) with ESMTPS id CE9B610E040 for ; Thu, 19 Sep 2024 15:20:15 +0000 (UTC) Received: from mail01.disroot.lan (localhost [127.0.0.1]) by disroot.org (Postfix) with ESMTP id A959620454; Thu, 19 Sep 2024 17:20:14 +0200 (CEST) X-Virus-Scanned: SPAM Filter at disroot.org Received: from layka.disroot.org ([127.0.0.1]) by localhost (disroot.org [127.0.0.1]) (amavis, port 10024) with ESMTP id Qo0bG5SzFI2j; Thu, 19 Sep 2024 17:20:13 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=disroot.org; s=mail; t=1726759213; bh=OGLUCgDWH562twCZsYpJURmvO0GqslL15kZSjFqgcgY=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=A55hCsmdEO8Gznbzp2FRJwmJjccXj+GTJF6zPvzNisXBEsznw9wdjCwIQI166AcPo kIlEko3sMTln1yqa2b1Za3GTR5vGdGxbmnuJg2f8en3Nup9x+isUhs/IRV5pTH0Ynt u+2pdEmp5NHsOrDKIJlx8SYiCnhmyyby3o3E2P6gZZdtT1uhtvtzd1GKFHgsy3XmnK AEK+8+nzGAf8l5C+MbfkqSlMMMr1xiFqB3xB+dVL1uInlA13sT8rKg2ZzZyFnX5kfm +baHz/b17dQj2fwTqdKwNKPDHAL7wxLx7RLOAIEXi6XAeLjxeeTjhwnwa2RVxeIf0x rHvLk+VwG0r4Q== From: Kaustabh Chakraborty To: kauschluss@disroot.org Cc: airlied@gmail.com, alim.akhtar@samsung.com, conor@kernel.org, devicetree@vger.kernel.org, dri-devel@lists.freedesktop.org, inki.dae@samsung.com, krzk@kernel.org, kyungmin.park@samsung.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-samsung-soc@vger.kernel.org, maarten.lankhorst@linux.intel.com, mripard@kernel.org, robh@kernel.org, simona@ffwll.ch, sw0312.kim@samsung.com, tzimmermann@suse.de Subject: [PATCH 5/6] drm/exynos: exynos7_drm_decon: add driver data and support for Exynos7870 Date: Thu, 19 Sep 2024 20:49:39 +0530 Message-ID: <20240919-exynosdrm-decon-v1-5-8c3e3ccffad5@disroot.org> In-Reply-To: <20240919-exynosdrm-decon-v1-0-6c5861c1cb04@disroot.org> References: <20240919-exynosdrm-decon-v1-0-6c5861c1cb04@disroot.org> MIME-Version: 1.0 X-Mailman-Approved-At: Fri, 20 Sep 2024 07:22:50 +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: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Add support for Exynos 7870 DECON in the Exynos 7 DECON driver. Some Exynos 7 series SoCs (Exynos 7580 onwards) have different register values. In order to address such changes, include a driver data struct (named decon_data) so that correct base addresses and shift values can be provided. Signed-off-by: Kaustabh Chakraborty --- drivers/gpu/drm/exynos/exynos7_drm_decon.c | 58 ++++++++++++++++++++++-------- drivers/gpu/drm/exynos/regs-decon7.h | 15 ++++---- 2 files changed, 51 insertions(+), 22 deletions(-) diff --git a/drivers/gpu/drm/exynos/exynos7_drm_decon.c b/drivers/gpu/drm/exynos/exynos7_drm_decon.c index 7f0985eb216e..4d93d2d7959f 100644 --- a/drivers/gpu/drm/exynos/exynos7_drm_decon.c +++ b/drivers/gpu/drm/exynos/exynos7_drm_decon.c @@ -37,6 +37,24 @@ #define WINDOWS_NR 2 +struct decon_data { + unsigned int vidw_buf_start_base; + unsigned int shadowcon_win_protect_shift; + unsigned int wincon_burstlen_shift; +}; + +static struct decon_data exynos7_decon_data = { + .vidw_buf_start_base = 0x80, + .shadowcon_win_protect_shift = 10, + .wincon_burstlen_shift = 11, +}; + +static struct decon_data exynos7870_decon_data = { + .vidw_buf_start_base = 0x880, + .shadowcon_win_protect_shift = 8, + .wincon_burstlen_shift = 10, +}; + struct decon_context { struct device *dev; struct drm_device *drm_dev; @@ -55,11 +73,19 @@ struct decon_context { wait_queue_head_t wait_vsync_queue; atomic_t wait_vsync_event; + const struct decon_data *data; struct drm_encoder *encoder; }; static const struct of_device_id decon_driver_dt_match[] = { - {.compatible = "samsung,exynos7-decon"}, + { + .compatible = "samsung,exynos7-decon", + .data = &exynos7_decon_data, + }, + { + .compatible = "samsung,exynos7870-decon", + .data = &exynos7870_decon_data, + }, {}, }; MODULE_DEVICE_TABLE(of, decon_driver_dt_match); @@ -92,8 +118,9 @@ static void decon_shadow_protect_win(struct decon_context *ctx, unsigned int win, bool protect) { u32 bits, val; + unsigned int shift = ctx->data->shadowcon_win_protect_shift; - bits = SHADOWCON_WINx_PROTECT(win); + bits = SHADOWCON_WINx_PROTECT(shift, win); val = readl(ctx->regs + SHADOWCON); if (protect) @@ -291,6 +318,7 @@ static void decon_win_set_pixfmt(struct decon_context *ctx, unsigned int win, { unsigned long val; int padding; + unsigned int shift = ctx->data->wincon_burstlen_shift; val = readl(ctx->regs + WINCON(win)); val &= ~WINCONx_BPPMODE_MASK; @@ -298,44 +326,44 @@ static void decon_win_set_pixfmt(struct decon_context *ctx, unsigned int win, switch (fb->format->format) { case DRM_FORMAT_RGB565: val |= WINCONx_BPPMODE_16BPP_565; - val |= WINCONx_BURSTLEN_16WORD; + val |= WINCONx_BURSTLEN_16WORD(shift); break; case DRM_FORMAT_XRGB8888: val |= WINCONx_BPPMODE_24BPP_xRGB; - val |= WINCONx_BURSTLEN_16WORD; + val |= WINCONx_BURSTLEN_16WORD(shift); break; case DRM_FORMAT_XBGR8888: val |= WINCONx_BPPMODE_24BPP_xBGR; - val |= WINCONx_BURSTLEN_16WORD; + val |= WINCONx_BURSTLEN_16WORD(shift); break; case DRM_FORMAT_RGBX8888: val |= WINCONx_BPPMODE_24BPP_RGBx; - val |= WINCONx_BURSTLEN_16WORD; + val |= WINCONx_BURSTLEN_16WORD(shift); break; case DRM_FORMAT_BGRX8888: val |= WINCONx_BPPMODE_24BPP_BGRx; - val |= WINCONx_BURSTLEN_16WORD; + val |= WINCONx_BURSTLEN_16WORD(shift); break; case DRM_FORMAT_ARGB8888: val |= WINCONx_BPPMODE_32BPP_ARGB | WINCONx_BLD_PIX | WINCONx_ALPHA_SEL; - val |= WINCONx_BURSTLEN_16WORD; + val |= WINCONx_BURSTLEN_16WORD(shift); break; case DRM_FORMAT_ABGR8888: val |= WINCONx_BPPMODE_32BPP_ABGR | WINCONx_BLD_PIX | WINCONx_ALPHA_SEL; - val |= WINCONx_BURSTLEN_16WORD; + val |= WINCONx_BURSTLEN_16WORD(shift); break; case DRM_FORMAT_RGBA8888: val |= WINCONx_BPPMODE_32BPP_RGBA | WINCONx_BLD_PIX | WINCONx_ALPHA_SEL; - val |= WINCONx_BURSTLEN_16WORD; + val |= WINCONx_BURSTLEN_16WORD(shift); break; case DRM_FORMAT_BGRA8888: default: val |= WINCONx_BPPMODE_32BPP_BGRA | WINCONx_BLD_PIX | WINCONx_ALPHA_SEL; - val |= WINCONx_BURSTLEN_16WORD; + val |= WINCONx_BURSTLEN_16WORD(shift); break; } @@ -351,8 +379,8 @@ static void decon_win_set_pixfmt(struct decon_context *ctx, unsigned int win, padding = (fb->pitches[0] / fb->format->cpp[0]) - fb->width; if (fb->width + padding < MIN_FB_WIDTH_FOR_16WORD_BURST) { - val &= ~WINCONx_BURSTLEN_MASK; - val |= WINCONx_BURSTLEN_8WORD; + val &= ~WINCONx_BURSTLEN_MASK(shift); + val |= WINCONx_BURSTLEN_8WORD(shift); } writel(val, ctx->regs + WINCON(win)); @@ -397,6 +425,7 @@ static void decon_update_plane(struct exynos_drm_crtc *crtc, unsigned int win = plane->index; unsigned int cpp = fb->format->cpp[0]; unsigned int pitch = fb->pitches[0]; + unsigned int vidw_addr0_base = ctx->data->vidw_buf_start_base; if (ctx->suspended) return; @@ -413,7 +442,7 @@ static void decon_update_plane(struct exynos_drm_crtc *crtc, /* buffer start address */ val = (unsigned long)exynos_drm_fb_dma_addr(fb, 0); - writel(val, ctx->regs + VIDW_BUF_START(win)); + writel(val, ctx->regs + VIDW_BUF_START(vidw_addr0_base, win)); padding = (pitch / cpp) - fb->width; @@ -695,6 +724,7 @@ static int decon_probe(struct platform_device *pdev) ctx->dev = dev; ctx->suspended = true; + ctx->data = of_device_get_match_data(dev); i80_if_timings = of_get_child_by_name(dev->of_node, "i80-if-timings"); if (i80_if_timings) diff --git a/drivers/gpu/drm/exynos/regs-decon7.h b/drivers/gpu/drm/exynos/regs-decon7.h index 5bc5f1db5196..216c106dac8f 100644 --- a/drivers/gpu/drm/exynos/regs-decon7.h +++ b/drivers/gpu/drm/exynos/regs-decon7.h @@ -48,7 +48,7 @@ /* SHADOWCON */ #define SHADOWCON 0x30 -#define SHADOWCON_WINx_PROTECT(_win) (1 << (10 + (_win))) +#define SHADOWCON_WINx_PROTECT(_shf, _win) (1 << ((_shf) + (_win))) /* WINCONx */ #define WINCON(_win) (0x50 + ((_win) * 4)) @@ -58,10 +58,9 @@ #define WINCONx_BUFSEL_SHIFT 28 #define WINCONx_TRIPLE_BUF_MODE (0x1 << 18) #define WINCONx_DOUBLE_BUF_MODE (0x0 << 18) -#define WINCONx_BURSTLEN_16WORD (0x0 << 11) -#define WINCONx_BURSTLEN_8WORD (0x1 << 11) -#define WINCONx_BURSTLEN_MASK (0x1 << 11) -#define WINCONx_BURSTLEN_SHIFT 11 +#define WINCONx_BURSTLEN_16WORD(_shf) (0x0 << (_shf)) +#define WINCONx_BURSTLEN_8WORD(_shf) (0x1 << (_shf)) +#define WINCONx_BURSTLEN_MASK(_shf) (0x1 << (_shf)) #define WINCONx_BLD_PLANE (0 << 8) #define WINCONx_BLD_PIX (1 << 8) #define WINCONx_ALPHA_MUL (1 << 7) @@ -89,9 +88,9 @@ #define VIDOSD_H(_x) (0x80 + ((_x) * 4)) /* Frame buffer start addresses: VIDWxxADD0n */ -#define VIDW_BUF_START(_win) (0x80 + ((_win) * 0x10)) -#define VIDW_BUF_START1(_win) (0x84 + ((_win) * 0x10)) -#define VIDW_BUF_START2(_win) (0x88 + ((_win) * 0x10)) +#define VIDW_BUF_START(_base, _win) ((_base) + ((_win) * 0x10)) +#define VIDW_BUF_START1(_base, _win) ((_base) + ((_win) * 0x10)) +#define VIDW_BUF_START2(_base, _win) ((_base) + ((_win) * 0x10)) #define VIDW_WHOLE_X(_win) (0x0130 + ((_win) * 8)) #define VIDW_WHOLE_Y(_win) (0x0134 + ((_win) * 8))