From patchwork Mon Apr 11 08:55:37 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xinliang Liu X-Patchwork-Id: 8800941 Return-Path: X-Original-To: patchwork-dri-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 0C556C0554 for ; Mon, 11 Apr 2016 13:13:18 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 4AAC1201F5 for ; Mon, 11 Apr 2016 13:13:16 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id 0390F20320 for ; Mon, 11 Apr 2016 13:13:14 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id E9ABD6E55A; Mon, 11 Apr 2016 13:13:04 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mail-pa0-x233.google.com (mail-pa0-x233.google.com [IPv6:2607:f8b0:400e:c03::233]) by gabe.freedesktop.org (Postfix) with ESMTPS id 5215B6E2C1 for ; Mon, 11 Apr 2016 08:58:29 +0000 (UTC) Received: by mail-pa0-x233.google.com with SMTP id zm5so117956425pac.0 for ; Mon, 11 Apr 2016 01:58:29 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=w1O2cYBGS65ywL30uqT7YewKZXjGaMn/j2e7eEqQ83U=; b=MftIp2g+VOhBaPFF1+tCF5I4Oyet7v8BnF8kFIXpmsE+6MQVfur2/K67eQWywvvx/9 yjYFuosDbJVcy2gM5DfsP7JBUg84CK9RVDPB41qQAnMGNAErgErx3Uw5ITS8DcKxcoxg FbZ+Jf3MA6zlYvNLUhuiut5mq/F2ArluqavvI= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=w1O2cYBGS65ywL30uqT7YewKZXjGaMn/j2e7eEqQ83U=; b=b+n4W6diXFqQk77Hr+oN6D4sjmmgdDvhJbhIFpZIWKU1Q91UVuXtIIW2wHT7xgjYhZ ILgk/XYjXOqZXm77UT0xW1o1C5tic8w478OjOZAT/zdHp/zIEw5uXEgbNW0UMxn1H/AZ Ii6w677jbfAnSg6k69e5OTFI8rchha24dHFd5rkkB10SIQjtQPF6FmVSFRjdQydKPoCd CvhoTJmqVhmh7KFzIuW1a+rN8Nib2zPAfGzHDGNoRLiS2os2KifjWrTMMPtjEmxbr743 gPKEru6nOvsVNtPmbqJ95lmzresHDeW8lie6kIHGNmw8GdZOaUIguv/0BrYvz4oFGhlg 2Xcw== X-Gm-Message-State: AD7BkJKUuj0E98m/5djsL/u/G00cvxS1Y2pvAk7zL7FaeSbx+JZfFQQIr6AhzxRCa5/miGK6 X-Received: by 10.66.66.46 with SMTP id c14mr31326456pat.79.1460365108787; Mon, 11 Apr 2016 01:58:28 -0700 (PDT) Received: from localhost.localdomain ([14.154.190.52]) by smtp.gmail.com with ESMTPSA id v9sm34360332pfi.50.2016.04.11.01.58.22 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Mon, 11 Apr 2016 01:58:27 -0700 (PDT) From: Xinliang Liu To: dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, daniel@ffwll.ch, robh@kernel.org, daniel@fooishbar.org, architt@codeaurora.org, airlied@linux.ie, corbet@lwn.net, catalin.marinas@arm.com, will.deacon@arm.com, emil.l.velikov@gmail.com, mark.rutland@arm.com Subject: [PATCH v8 04/10] drm/hisilicon: Add plane driver for ADE Date: Mon, 11 Apr 2016 16:55:37 +0800 Message-Id: <1460364943-76135-5-git-send-email-xinliang.liu@linaro.org> X-Mailer: git-send-email 2.8.0 In-Reply-To: <1460364943-76135-1-git-send-email-xinliang.liu@linaro.org> References: <1460364943-76135-1-git-send-email-xinliang.liu@linaro.org> X-Mailman-Approved-At: Mon, 11 Apr 2016 13:13:03 +0000 Cc: andy.green@linaro.org, xuyiping@hisilicon.com, guodong.xu@linaro.org, linux-doc@vger.kernel.org, w.f@huawei.com, zourongrong@huawei.com, linuxarm@huawei.com, xuwei5@hisilicon.com, bintian.wang@huawei.com, haojian.zhuang@linaro.org, benjamin.gaignard@linaro.org, puck.chen@hisilicon.com, liguozhu@hisilicon.com, linux-arm-kernel@lists.infradead.org X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Spam-Status: No, score=-5.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_MED,RP_MATCHES_RCVD,T_DKIM_INVALID,UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Add plane funcs and helper funcs for ADE. v8: None. v7: None. v6: None. v5: None. v4: None. v3: - A few cleanup. v2: - Remove abtraction layer. Signed-off-by: Xinliang Liu Signed-off-by: Xinwei Kong --- drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c | 535 +++++++++++++++++++++++- 1 file changed, 534 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c index cfbea957297b..8a7cb5e04bf4 100644 --- a/drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c +++ b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c @@ -27,13 +27,23 @@ #include #include #include +#include +#include +#include #include "kirin_drm_drv.h" #include "kirin_ade_reg.h" +#define PRIMARY_CH ADE_CH1 /* primary plane */ +#define OUT_OVLY ADE_OVLY2 /* output overlay compositor */ +#define ADE_DEBUG 1 + #define to_ade_crtc(crtc) \ container_of(crtc, struct ade_crtc, base) +#define to_ade_plane(plane) \ + container_of(plane, struct ade_plane, base) + struct ade_hw_ctx { void __iomem *base; struct regmap *noc_regmap; @@ -52,11 +62,76 @@ struct ade_crtc { u32 out_format; }; +struct ade_plane { + struct drm_plane base; + void *ctx; + u8 ch; /* channel */ +}; + struct ade_data { struct ade_crtc acrtc; + struct ade_plane aplane[ADE_CH_NUM]; struct ade_hw_ctx ctx; }; +/* ade-format info: */ +struct ade_format { + u32 pixel_format; + enum ade_fb_format ade_format; +}; + +static const struct ade_format ade_formats[] = { + /* 16bpp RGB: */ + { DRM_FORMAT_RGB565, ADE_RGB_565 }, + { DRM_FORMAT_BGR565, ADE_BGR_565 }, + /* 24bpp RGB: */ + { DRM_FORMAT_RGB888, ADE_RGB_888 }, + { DRM_FORMAT_BGR888, ADE_BGR_888 }, + /* 32bpp [A]RGB: */ + { DRM_FORMAT_XRGB8888, ADE_XRGB_8888 }, + { DRM_FORMAT_XBGR8888, ADE_XBGR_8888 }, + { DRM_FORMAT_RGBA8888, ADE_RGBA_8888 }, + { DRM_FORMAT_BGRA8888, ADE_BGRA_8888 }, + { DRM_FORMAT_ARGB8888, ADE_ARGB_8888 }, + { DRM_FORMAT_ABGR8888, ADE_ABGR_8888 }, +}; + +static const u32 channel_formats1[] = { + /* channel 1,2,3,4 */ + DRM_FORMAT_RGB565, DRM_FORMAT_BGR565, DRM_FORMAT_RGB888, + DRM_FORMAT_BGR888, DRM_FORMAT_XRGB8888, DRM_FORMAT_XBGR8888, + DRM_FORMAT_RGBA8888, DRM_FORMAT_BGRA8888, DRM_FORMAT_ARGB8888, + DRM_FORMAT_ABGR8888 +}; + +u32 ade_get_channel_formats(u8 ch, const u32 **formats) +{ + switch (ch) { + case ADE_CH1: + *formats = channel_formats1; + return ARRAY_SIZE(channel_formats1); + default: + DRM_ERROR("no this channel %d\n", ch); + *formats = NULL; + return 0; + } +} + +/* convert from fourcc format to ade format */ +static u32 ade_get_format(u32 pixel_format) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(ade_formats); i++) + if (ade_formats[i].pixel_format == pixel_format) + return ade_formats[i].ade_format; + + /* not found */ + DRM_ERROR("Not found pixel format!!fourcc_format= %d\n", + pixel_format); + return ADE_FORMAT_UNSUPPORT; +} + static void ade_update_reload_bit(void __iomem *base, u32 bit_num, u32 val) { u32 bit_ofst, reg_num; @@ -89,7 +164,7 @@ static void ade_init(struct ade_hw_ctx *ctx) /* clear overlay */ writel(0, base + ADE_OVLY1_TRANS_CFG); writel(0, base + ADE_OVLY_CTL); - writel(0, base + ADE_OVLYX_CTL(ADE_OVLY2)); + writel(0, base + ADE_OVLYX_CTL(OUT_OVLY)); /* clear reset and reload regs */ writel(MASK(32), base + ADE_SOFT_RST_SEL(0)); writel(MASK(32), base + ADE_SOFT_RST_SEL(1)); @@ -155,6 +230,10 @@ static void ade_ldi_set_mode(struct ade_crtc *acrtc, base + LDI_DSP_SIZE); writel(plr_flags, base + LDI_PLR_CTRL); + /* set overlay compositor output size */ + writel(((width - 1) << OUTPUT_XSIZE_OFST) | (height - 1), + base + ADE_OVLY_OUTPUT_SIZE(OUT_OVLY)); + /* ctran6 setting */ writel(CTRAN_BYPASS_ON, base + ADE_CTRAN_DIS(ADE_CTRAN6)); /* the configured value is actual value - 1 */ @@ -229,6 +308,10 @@ static void ade_display_enable(struct ade_crtc *acrtc) void __iomem *base = ctx->base; u32 out_fmt = acrtc->out_format; + /* enable output overlay compositor */ + writel(ADE_ENABLE, base + ADE_OVLYX_CTL(OUT_OVLY)); + ade_update_reload_bit(base, OVLY_OFST + OUT_OVLY, 0); + /* display source setting */ writel(DISP_SRC_OVLY2, base + ADE_DISP_SRC_CFG); @@ -242,6 +325,97 @@ static void ade_display_enable(struct ade_crtc *acrtc) writel(DSI_PCLK_ON, base + LDI_HDMI_DSI_GT); } +#if ADE_DEBUG +static void ade_rdma_dump_regs(void __iomem *base, u32 ch) +{ + u32 reg_ctrl, reg_addr, reg_size, reg_stride, reg_space, reg_en; + u32 val; + + reg_ctrl = RD_CH_CTRL(ch); + reg_addr = RD_CH_ADDR(ch); + reg_size = RD_CH_SIZE(ch); + reg_stride = RD_CH_STRIDE(ch); + reg_space = RD_CH_SPACE(ch); + reg_en = RD_CH_EN(ch); + + val = ade_read_reload_bit(base, RDMA_OFST + ch); + DRM_DEBUG_DRIVER("[rdma%d]: reload(%d)\n", ch + 1, val); + val = readl(base + reg_ctrl); + DRM_DEBUG_DRIVER("[rdma%d]: reg_ctrl(0x%08x)\n", ch + 1, val); + val = readl(base + reg_addr); + DRM_DEBUG_DRIVER("[rdma%d]: reg_addr(0x%08x)\n", ch + 1, val); + val = readl(base + reg_size); + DRM_DEBUG_DRIVER("[rdma%d]: reg_size(0x%08x)\n", ch + 1, val); + val = readl(base + reg_stride); + DRM_DEBUG_DRIVER("[rdma%d]: reg_stride(0x%08x)\n", ch + 1, val); + val = readl(base + reg_space); + DRM_DEBUG_DRIVER("[rdma%d]: reg_space(0x%08x)\n", ch + 1, val); + val = readl(base + reg_en); + DRM_DEBUG_DRIVER("[rdma%d]: reg_en(0x%08x)\n", ch + 1, val); +} + +static void ade_clip_dump_regs(void __iomem *base, u32 ch) +{ + u32 val; + + val = ade_read_reload_bit(base, CLIP_OFST + ch); + DRM_DEBUG_DRIVER("[clip%d]: reload(%d)\n", ch + 1, val); + val = readl(base + ADE_CLIP_DISABLE(ch)); + DRM_DEBUG_DRIVER("[clip%d]: reg_clip_disable(0x%08x)\n", ch + 1, val); + val = readl(base + ADE_CLIP_SIZE0(ch)); + DRM_DEBUG_DRIVER("[clip%d]: reg_clip_size0(0x%08x)\n", ch + 1, val); + val = readl(base + ADE_CLIP_SIZE1(ch)); + DRM_DEBUG_DRIVER("[clip%d]: reg_clip_size1(0x%08x)\n", ch + 1, val); +} + +static void ade_compositor_routing_dump_regs(void __iomem *base, u32 ch) +{ + u8 ovly_ch = 0; /* TODO: Only primary plane now */ + u32 val; + + val = readl(base + ADE_OVLY_CH_XY0(ovly_ch)); + DRM_DEBUG_DRIVER("[overlay ch%d]: reg_ch_xy0(0x%08x)\n", ovly_ch, val); + val = readl(base + ADE_OVLY_CH_XY1(ovly_ch)); + DRM_DEBUG_DRIVER("[overlay ch%d]: reg_ch_xy1(0x%08x)\n", ovly_ch, val); + val = readl(base + ADE_OVLY_CH_CTL(ovly_ch)); + DRM_DEBUG_DRIVER("[overlay ch%d]: reg_ch_ctl(0x%08x)\n", ovly_ch, val); +} + +static void ade_dump_overlay_compositor_regs(void __iomem *base, u32 comp) +{ + u32 val; + + val = ade_read_reload_bit(base, OVLY_OFST + comp); + DRM_DEBUG_DRIVER("[overlay%d]: reload(%d)\n", comp + 1, val); + writel(ADE_ENABLE, base + ADE_OVLYX_CTL(comp)); + DRM_DEBUG_DRIVER("[overlay%d]: reg_ctl(0x%08x)\n", comp + 1, val); + val = readl(base + ADE_OVLY_CTL); + DRM_DEBUG_DRIVER("ovly_ctl(0x%08x)\n", val); +} + +static void ade_dump_regs(void __iomem *base) +{ + u32 i; + + /* dump channel regs */ + for (i = 0; i < ADE_CH_NUM; i++) { + /* dump rdma regs */ + ade_rdma_dump_regs(base, i); + + /* dump clip regs */ + ade_clip_dump_regs(base, i); + + /* dump compositor routing regs */ + ade_compositor_routing_dump_regs(base, i); + } + + /* dump overlay compositor regs */ + ade_dump_overlay_compositor_regs(base, OUT_OVLY); +} +#else +static void ade_dump_regs(void __iomem *base) { } +#endif + static void ade_crtc_enable(struct drm_crtc *crtc) { struct ade_crtc *acrtc = to_ade_crtc(crtc); @@ -259,6 +433,7 @@ static void ade_crtc_enable(struct drm_crtc *crtc) ade_set_medianoc_qos(acrtc); ade_display_enable(acrtc); + ade_dump_regs(ctx->base); acrtc->enable = true; } @@ -313,6 +488,7 @@ static void ade_crtc_atomic_flush(struct drm_crtc *crtc, /* only crtc is enabled regs take effect */ if (acrtc->enable) { + ade_dump_regs(base); /* flush ade registers */ writel(ADE_ENABLE, base + ADE_EN); } @@ -369,6 +545,338 @@ static int ade_crtc_init(struct drm_device *dev, struct drm_crtc *crtc, return 0; } +static void ade_rdma_set(void __iomem *base, struct drm_framebuffer *fb, + u32 ch, u32 y, u32 in_h, u32 fmt) +{ + struct drm_gem_cma_object *obj = drm_fb_cma_get_gem_obj(fb, 0); + u32 reg_ctrl, reg_addr, reg_size, reg_stride, reg_space, reg_en; + u32 stride = fb->pitches[0]; + u32 addr = (u32)obj->paddr + y * stride; + + DRM_DEBUG_DRIVER("rdma%d: (y=%d, height=%d), stride=%d, paddr=0x%x\n", + ch + 1, y, in_h, stride, (u32)obj->paddr); + DRM_DEBUG_DRIVER("addr=0x%x, fb:%dx%d, pixel_format=%d(%s)\n", + addr, fb->width, fb->height, fmt, + drm_get_format_name(fb->pixel_format)); + + /* get reg offset */ + reg_ctrl = RD_CH_CTRL(ch); + reg_addr = RD_CH_ADDR(ch); + reg_size = RD_CH_SIZE(ch); + reg_stride = RD_CH_STRIDE(ch); + reg_space = RD_CH_SPACE(ch); + reg_en = RD_CH_EN(ch); + + /* + * TODO: set rotation + */ + writel((fmt << 16) & 0x1f0000, base + reg_ctrl); + writel(addr, base + reg_addr); + writel((in_h << 16) | stride, base + reg_size); + writel(stride, base + reg_stride); + writel(in_h * stride, base + reg_space); + writel(ADE_ENABLE, base + reg_en); + ade_update_reload_bit(base, RDMA_OFST + ch, 0); +} + +static void ade_rdma_disable(void __iomem *base, u32 ch) +{ + u32 reg_en; + + /* get reg offset */ + reg_en = RD_CH_EN(ch); + writel(0, base + reg_en); + ade_update_reload_bit(base, RDMA_OFST + ch, 1); +} + +static void ade_clip_set(void __iomem *base, u32 ch, u32 fb_w, u32 x, + u32 in_w, u32 in_h) +{ + u32 disable_val; + u32 clip_left; + u32 clip_right; + + /* + * clip width, no need to clip height + */ + if (fb_w == in_w) { /* bypass */ + disable_val = 1; + clip_left = 0; + clip_right = 0; + } else { + disable_val = 0; + clip_left = x; + clip_right = fb_w - (x + in_w) - 1; + } + + DRM_DEBUG_DRIVER("clip%d: clip_left=%d, clip_right=%d\n", + ch + 1, clip_left, clip_right); + + writel(disable_val, base + ADE_CLIP_DISABLE(ch)); + writel((fb_w - 1) << 16 | (in_h - 1), base + ADE_CLIP_SIZE0(ch)); + writel(clip_left << 16 | clip_right, base + ADE_CLIP_SIZE1(ch)); + ade_update_reload_bit(base, CLIP_OFST + ch, 0); +} + +static void ade_clip_disable(void __iomem *base, u32 ch) +{ + writel(1, base + ADE_CLIP_DISABLE(ch)); + ade_update_reload_bit(base, CLIP_OFST + ch, 1); +} + +static bool has_Alpha_channel(int format) +{ + switch (format) { + case ADE_ARGB_8888: + case ADE_ABGR_8888: + case ADE_RGBA_8888: + case ADE_BGRA_8888: + return true; + default: + return false; + } +} + +static void ade_get_blending_params(u32 fmt, u8 glb_alpha, u8 *alp_mode, + u8 *alp_sel, u8 *under_alp_sel) +{ + bool has_alpha = has_Alpha_channel(fmt); + + /* + * get alp_mode + */ + if (has_alpha && glb_alpha < 255) + *alp_mode = ADE_ALP_PIXEL_AND_GLB; + else if (has_alpha) + *alp_mode = ADE_ALP_PIXEL; + else + *alp_mode = ADE_ALP_GLOBAL; + + /* + * get alp sel + */ + *alp_sel = ADE_ALP_MUL_COEFF_3; /* 1 */ + *under_alp_sel = ADE_ALP_MUL_COEFF_2; /* 0 */ +} + +static void ade_compositor_routing_set(void __iomem *base, u8 ch, + u32 x0, u32 y0, + u32 in_w, u32 in_h, u32 fmt) +{ + u8 ovly_ch = 0; /* TODO: This is the zpos, only one plane now */ + u8 glb_alpha = 255; + u32 x1 = x0 + in_w - 1; + u32 y1 = y0 + in_h - 1; + u32 val; + u8 alp_sel; + u8 under_alp_sel; + u8 alp_mode; + + ade_get_blending_params(fmt, glb_alpha, &alp_mode, &alp_sel, + &under_alp_sel); + + /* overlay routing setting + */ + writel(x0 << 16 | y0, base + ADE_OVLY_CH_XY0(ovly_ch)); + writel(x1 << 16 | y1, base + ADE_OVLY_CH_XY1(ovly_ch)); + val = (ch + 1) << CH_SEL_OFST | BIT(CH_EN_OFST) | + alp_sel << CH_ALP_SEL_OFST | + under_alp_sel << CH_UNDER_ALP_SEL_OFST | + glb_alpha << CH_ALP_GBL_OFST | + alp_mode << CH_ALP_MODE_OFST; + writel(val, base + ADE_OVLY_CH_CTL(ovly_ch)); + /* connect this plane/channel to overlay2 compositor */ + ade_update_bits(base + ADE_OVLY_CTL, CH_OVLY_SEL_OFST(ovly_ch), + CH_OVLY_SEL_MASK, CH_OVLY_SEL_VAL(OUT_OVLY)); +} + +static void ade_compositor_routing_disable(void __iomem *base, u32 ch) +{ + u8 ovly_ch = 0; /* TODO: Only primary plane now */ + + /* disable this plane/channel */ + ade_update_bits(base + ADE_OVLY_CH_CTL(ovly_ch), CH_EN_OFST, + MASK(1), 0); + /* dis-connect this plane/channel of overlay2 compositor */ + ade_update_bits(base + ADE_OVLY_CTL, CH_OVLY_SEL_OFST(ovly_ch), + CH_OVLY_SEL_MASK, 0); +} + +/* + * Typicaly, a channel looks like: DMA-->clip-->scale-->ctrans-->compositor + */ +static void ade_update_channel(struct ade_plane *aplane, + struct drm_framebuffer *fb, int crtc_x, + int crtc_y, unsigned int crtc_w, + unsigned int crtc_h, u32 src_x, + u32 src_y, u32 src_w, u32 src_h) +{ + struct ade_hw_ctx *ctx = aplane->ctx; + void __iomem *base = ctx->base; + u32 fmt = ade_get_format(fb->pixel_format); + u32 ch = aplane->ch; + u32 in_w; + u32 in_h; + + DRM_DEBUG_DRIVER("channel%d: src:(%d, %d)-%dx%d, crtc:(%d, %d)-%dx%d", + ch + 1, src_x, src_y, src_w, src_h, + crtc_x, crtc_y, crtc_w, crtc_h); + + /* 1) DMA setting */ + in_w = src_w; + in_h = src_h; + ade_rdma_set(base, fb, ch, src_y, in_h, fmt); + + /* 2) clip setting */ + ade_clip_set(base, ch, fb->width, src_x, in_w, in_h); + + /* 3) TODO: scale setting for overlay planes */ + + /* 4) TODO: ctran/csc setting for overlay planes */ + + /* 5) compositor routing setting */ + ade_compositor_routing_set(base, ch, crtc_x, crtc_y, in_w, in_h, fmt); +} + +static void ade_disable_channel(struct ade_plane *aplane) +{ + struct ade_hw_ctx *ctx = aplane->ctx; + void __iomem *base = ctx->base; + u32 ch = aplane->ch; + + DRM_DEBUG_DRIVER("disable channel%d\n", ch + 1); + + /* disable read DMA */ + ade_rdma_disable(base, ch); + + /* disable clip */ + ade_clip_disable(base, ch); + + /* disable compositor routing */ + ade_compositor_routing_disable(base, ch); +} + +static int ade_plane_prepare_fb(struct drm_plane *plane, + const struct drm_plane_state *new_state) +{ + /* do nothing */ + return 0; +} + +static void ade_plane_cleanup_fb(struct drm_plane *plane, + const struct drm_plane_state *old_state) +{ + /* do nothing */ +} + +static int ade_plane_atomic_check(struct drm_plane *plane, + struct drm_plane_state *state) +{ + struct drm_framebuffer *fb = state->fb; + struct drm_crtc *crtc = state->crtc; + struct drm_crtc_state *crtc_state; + u32 src_x = state->src_x >> 16; + u32 src_y = state->src_y >> 16; + u32 src_w = state->src_w >> 16; + u32 src_h = state->src_h >> 16; + int crtc_x = state->crtc_x; + int crtc_y = state->crtc_y; + u32 crtc_w = state->crtc_w; + u32 crtc_h = state->crtc_h; + u32 fmt; + + if (!crtc || !fb) + return 0; + + fmt = ade_get_format(fb->pixel_format); + if (fmt == ADE_FORMAT_UNSUPPORT) + return -EINVAL; + + crtc_state = drm_atomic_get_crtc_state(state->state, crtc); + if (IS_ERR(crtc_state)) + return PTR_ERR(crtc_state); + + if (src_w != crtc_w || src_h != crtc_h) { + DRM_ERROR("Scale not support!!!\n"); + return -EINVAL; + } + + if (src_x + src_w > fb->width || + src_y + src_h > fb->height) + return -EINVAL; + + if (crtc_x < 0 || crtc_y < 0) + return -EINVAL; + + if (crtc_x + crtc_w > crtc_state->adjusted_mode.hdisplay || + crtc_y + crtc_h > crtc_state->adjusted_mode.vdisplay) + return -EINVAL; + + return 0; +} + +static void ade_plane_atomic_update(struct drm_plane *plane, + struct drm_plane_state *old_state) +{ + struct drm_plane_state *state = plane->state; + struct ade_plane *aplane = to_ade_plane(plane); + + ade_update_channel(aplane, state->fb, state->crtc_x, state->crtc_y, + state->crtc_w, state->crtc_h, + state->src_x >> 16, state->src_y >> 16, + state->src_w >> 16, state->src_h >> 16); +} + +static void ade_plane_atomic_disable(struct drm_plane *plane, + struct drm_plane_state *old_state) +{ + struct ade_plane *aplane = to_ade_plane(plane); + + ade_disable_channel(aplane); +} + +static const struct drm_plane_helper_funcs ade_plane_helper_funcs = { + .prepare_fb = ade_plane_prepare_fb, + .cleanup_fb = ade_plane_cleanup_fb, + .atomic_check = ade_plane_atomic_check, + .atomic_update = ade_plane_atomic_update, + .atomic_disable = ade_plane_atomic_disable, +}; + +static struct drm_plane_funcs ade_plane_funcs = { + .update_plane = drm_atomic_helper_update_plane, + .disable_plane = drm_atomic_helper_disable_plane, + .set_property = drm_atomic_helper_plane_set_property, + .destroy = drm_plane_cleanup, + .reset = drm_atomic_helper_plane_reset, + .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state, + .atomic_destroy_state = drm_atomic_helper_plane_destroy_state, +}; + +static int ade_plane_init(struct drm_device *dev, struct ade_plane *aplane, + enum drm_plane_type type) +{ + const u32 *fmts; + u32 fmts_cnt; + int ret = 0; + + /* get properties */ + fmts_cnt = ade_get_channel_formats(aplane->ch, &fmts); + if (ret) + return ret; + + ret = drm_universal_plane_init(dev, &aplane->base, 1, &ade_plane_funcs, + fmts, fmts_cnt, type, NULL); + if (ret) { + DRM_ERROR("fail to init plane, ch=%d\n", aplane->ch); + return ret; + } + + drm_plane_helper_add(&aplane->base, &ade_plane_helper_funcs); + + return 0; +} + static int ade_dts_parse(struct platform_device *pdev, struct ade_hw_ctx *ctx) { struct resource *res; @@ -426,7 +934,10 @@ static int ade_drm_init(struct drm_device *dev) struct ade_data *ade; struct ade_hw_ctx *ctx; struct ade_crtc *acrtc; + struct ade_plane *aplane; + enum drm_plane_type type; int ret; + int i; ade = devm_kzalloc(dev->dev, sizeof(*ade), GFP_KERNEL); if (!ade) { @@ -444,6 +955,28 @@ static int ade_drm_init(struct drm_device *dev) if (ret) return ret; + /* + * plane init + * TODO: Now only support primary plane, overlay planes + * need to do. + */ + for (i = 0; i < ADE_CH_NUM; i++) { + aplane = &ade->aplane[i]; + aplane->ch = i; + aplane->ctx = ctx; + type = i == PRIMARY_CH ? DRM_PLANE_TYPE_PRIMARY : + DRM_PLANE_TYPE_OVERLAY; + + ret = ade_plane_init(dev, aplane, type); + if (ret) + return ret; + } + + /* crtc init */ + ret = ade_crtc_init(dev, &acrtc->base, &ade->aplane[PRIMARY_CH].base); + if (ret) + return ret; + return 0; }