From patchwork Fri May 20 15:05:33 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: YT Shen X-Patchwork-Id: 9129799 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 104DC60772 for ; Fri, 20 May 2016 15:06:50 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 012F721BED for ; Fri, 20 May 2016 15:06:50 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id EA00727BE4; Fri, 20 May 2016 15:06:49 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 0E97122067 for ; Fri, 20 May 2016 15:06:49 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1b3m0m-0000m9-JA; Fri, 20 May 2016 15:06:48 +0000 Received: from [210.61.82.184] (helo=mailgw02.mediatek.com) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1b3m0J-0000PQ-EY; Fri, 20 May 2016 15:06:22 +0000 Received: from mtkhts09.mediatek.inc [(172.21.101.70)] by mailgw02.mediatek.com (envelope-from ) (mhqrelay.mediatek.com ESMTP with TLS) with ESMTP id 1903870522; Fri, 20 May 2016 23:06:01 +0800 Received: from mtkslt301.mediatek.inc (10.21.14.114) by mtkhts09.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 14.3.266.1; Fri, 20 May 2016 23:05:59 +0800 From: To: , Philipp Zabel Subject: [RFC v2 2/5] drm/mediatke: add support for Mediatek SoC MT2701 Date: Fri, 20 May 2016 23:05:33 +0800 Message-ID: <1463756736-46573-3-git-send-email-yt.shen@mediatek.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1463756736-46573-1-git-send-email-yt.shen@mediatek.com> References: <1463756736-46573-1-git-send-email-yt.shen@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-20160520_080620_075221_83C28B96 X-CRM114-Status: GOOD ( 19.68 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , devicetree@vger.kernel.org, Russell King , srv_heupstream@mediatek.com, Pawel Moll , Ian Campbell , David Airlie , emil.l.velikov@gmail.com, linux-kernel@vger.kernel.org, Mao Huang , YT Shen , CK Hu , Rob Herring , linux-mediatek@lists.infradead.org, Bibby Hsieh , Kumar Gala , Matthias Brugger , yingjoe.chen@mediatek.com, Sascha Hauer , linux-arm-kernel@lists.infradead.org Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP From: YT Shen This patch add support for the Mediatek MT2701 DISP subsystem. There is only one OVL engine in MT2701. Signed-off-by: YT Shen --- drivers/gpu/drm/mediatek/mtk_drm_ddp.c | 63 +++++++++++++++++++++--- drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 2 + drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h | 2 + drivers/gpu/drm/mediatek/mtk_drm_drv.c | 70 ++++++++++++++++++++++----- drivers/gpu/drm/mediatek/mtk_drm_drv.h | 8 +++ 5 files changed, 126 insertions(+), 19 deletions(-) diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp.c index d6aafd4..529569d 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp.c @@ -31,6 +31,10 @@ #define DISP_REG_CONFIG_DISP_RDMA1_MOUT_EN 0x0c8 #define DISP_REG_CONFIG_MMSYS_CG_CON0 0x100 +#define DISP_REG_CONFIG_DISP_OVL_MOUT_EN 0x030 +#define DISP_REG_CONFIG_OUT_SEL 0x04c +#define DISP_REG_CONFIG_DSI_SEL 0x050 + #define DISP_REG_MUTEX_EN(n) (0x20 + 0x20 * (n)) #define DISP_REG_MUTEX_RST(n) (0x28 + 0x20 * (n)) #define DISP_REG_MUTEX_MOD(n) (0x2c + 0x20 * (n)) @@ -52,6 +56,13 @@ #define MUTEX_MOD_DISP_PWM1_MT8173 BIT(24) #define MUTEX_MOD_DISP_OD_MT8173 BIT(25) +#define MUTEX_MOD_DISP_OVL_MT2701 BIT(3) +#define MUTEX_MOD_DISP_WDMA_MT2701 BIT(6) +#define MUTEX_MOD_DISP_COLOR_MT2701 BIT(7) +#define MUTEX_MOD_DISP_BLS_MT2701 BIT(9) +#define MUTEX_MOD_DISP_RDMA0_MT2701 BIT(10) +#define MUTEX_MOD_DISP_RDMA1_MT2701 BIT(12) + #define MUTEX_SOF_SINGLE_MODE 0 #define MUTEX_SOF_DSI0 1 #define MUTEX_SOF_DSI1 2 @@ -67,6 +78,10 @@ #define DPI0_SEL_IN_RDMA1 0x1 #define COLOR1_SEL_IN_OVL1 0x1 +#define OVL_MOUT_EN_RDMA 0x1 +#define BLS_TO_DSI_RDMA1_TO_DPI1 0x8 +#define DSI_SEL_IN_BLS 0x0 + struct mtk_disp_mutex { int id; bool claimed; @@ -77,6 +92,16 @@ struct mtk_ddp { struct clk *clk; void __iomem *regs; struct mtk_disp_mutex mutex[10]; + const unsigned int *mutex_mod; +}; + +static const unsigned int mutex_mod_mt2701[DDP_COMPONENT_ID_MAX] = { + [DDP_COMPONENT_BLS] = MUTEX_MOD_DISP_BLS_MT2701, + [DDP_COMPONENT_COLOR0] = MUTEX_MOD_DISP_COLOR_MT2701, + [DDP_COMPONENT_OVL0] = MUTEX_MOD_DISP_OVL_MT2701, + [DDP_COMPONENT_RDMA0] = MUTEX_MOD_DISP_RDMA0_MT2701, + [DDP_COMPONENT_RDMA1] = MUTEX_MOD_DISP_RDMA1_MT2701, + [DDP_COMPONENT_WDMA0] = MUTEX_MOD_DISP_WDMA_MT2701, }; static const unsigned int mutex_mod_mt8173[DDP_COMPONENT_ID_MAX] = { @@ -106,6 +131,9 @@ static unsigned int mtk_ddp_mout_en(enum mtk_ddp_comp_id cur, if (cur == DDP_COMPONENT_OVL0 && next == DDP_COMPONENT_COLOR0) { *addr = DISP_REG_CONFIG_DISP_OVL0_MOUT_EN; value = OVL0_MOUT_EN_COLOR0; + } else if (cur == DDP_COMPONENT_OVL0 && next == DDP_COMPONENT_RDMA0) { + *addr = DISP_REG_CONFIG_DISP_OVL_MOUT_EN; + value = OVL_MOUT_EN_RDMA; } else if (cur == DDP_COMPONENT_OD && next == DDP_COMPONENT_RDMA0) { *addr = DISP_REG_CONFIG_DISP_OD_MOUT_EN; value = OD_MOUT_EN_RDMA0; @@ -143,6 +171,9 @@ static unsigned int mtk_ddp_sel_in(enum mtk_ddp_comp_id cur, } else if (cur == DDP_COMPONENT_OVL1 && next == DDP_COMPONENT_COLOR1) { *addr = DISP_REG_CONFIG_DISP_COLOR1_SEL_IN; value = COLOR1_SEL_IN_OVL1; + } else if (cur == DDP_COMPONENT_BLS && next == DDP_COMPONENT_DSI0) { + *addr = DISP_REG_CONFIG_DSI_SEL; + value = DSI_SEL_IN_BLS; } else { value = 0; } @@ -150,6 +181,15 @@ static unsigned int mtk_ddp_sel_in(enum mtk_ddp_comp_id cur, return value; } +static void mtk_ddp_mux_sel(void __iomem *config_regs, + enum mtk_ddp_comp_id cur, enum mtk_ddp_comp_id next) +{ + if (cur == DDP_COMPONENT_BLS && next == DDP_COMPONENT_DSI0) { + writel_relaxed(BLS_TO_DSI_RDMA1_TO_DPI1, + config_regs + DISP_REG_CONFIG_OUT_SEL); + } +} + void mtk_ddp_add_comp_to_path(void __iomem *config_regs, enum mtk_ddp_comp_id cur, enum mtk_ddp_comp_id next) @@ -162,6 +202,8 @@ void mtk_ddp_add_comp_to_path(void __iomem *config_regs, writel_relaxed(reg, config_regs + addr); } + mtk_ddp_mux_sel(config_regs, cur, next); + value = mtk_ddp_sel_in(cur, next, &addr); if (value) { reg = readl_relaxed(config_regs + addr) | value; @@ -247,7 +289,7 @@ void mtk_disp_mutex_add_comp(struct mtk_disp_mutex *mutex, break; default: reg = readl_relaxed(ddp->regs + DISP_REG_MUTEX_MOD(mutex->id)); - reg |= mutex_mod[id]; + reg |= ddp->mutex_mod[id]; writel_relaxed(reg, ddp->regs + DISP_REG_MUTEX_MOD(mutex->id)); return; } @@ -273,7 +315,7 @@ void mtk_disp_mutex_remove_comp(struct mtk_disp_mutex *mutex, break; default: reg = readl_relaxed(ddp->regs + DISP_REG_MUTEX_MOD(mutex->id)); - reg &= ~mutex_mod[id]; + reg &= ~(ddp->mutex_mod[id]); writel_relaxed(reg, ddp->regs + DISP_REG_MUTEX_MOD(mutex->id)); break; } @@ -299,8 +341,16 @@ void mtk_disp_mutex_disable(struct mtk_disp_mutex *mutex) writel(0, ddp->regs + DISP_REG_MUTEX_EN(mutex->id)); } +static const struct of_device_id ddp_driver_dt_match[] = { + { .compatible = "mediatek,mt2701-disp-mutex", .data = mutex_mod_mt2701}, + { .compatible = "mediatek,mt8173-disp-mutex", .data = mutex_mod_mt8173}, + {}, +}; +MODULE_DEVICE_TABLE(of, ddp_driver_dt_match); + static int mtk_ddp_probe(struct platform_device *pdev) { + const struct of_device_id *of_id; struct device *dev = &pdev->dev; struct mtk_ddp *ddp; struct resource *regs; @@ -326,6 +376,9 @@ static int mtk_ddp_probe(struct platform_device *pdev) return PTR_ERR(ddp->regs); } + of_id = of_match_device(ddp_driver_dt_match, &pdev->dev); + ddp->mutex_mod = of_id->data; + platform_set_drvdata(pdev, ddp); return 0; @@ -336,12 +389,6 @@ static int mtk_ddp_remove(struct platform_device *pdev) return 0; } -static const struct of_device_id ddp_driver_dt_match[] = { - { .compatible = "mediatek,mt8173-disp-mutex" }, - {}, -}; -MODULE_DEVICE_TABLE(of, ddp_driver_dt_match); - struct platform_driver mtk_ddp_driver = { .probe = mtk_ddp_probe, .remove = mtk_ddp_remove, diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c index 3970fcf..0360fd6 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c @@ -103,6 +103,7 @@ static const char * const mtk_ddp_comp_stem[MTK_DDP_COMP_TYPE_MAX] = { [MTK_DISP_PWM] = "pwm", [MTK_DISP_MUTEX] = "mutex", [MTK_DISP_OD] = "od", + [MTK_DISP_BLS] = "bls", }; struct mtk_ddp_comp_match { @@ -113,6 +114,7 @@ struct mtk_ddp_comp_match { static const struct mtk_ddp_comp_match mtk_ddp_matches[DDP_COMPONENT_ID_MAX] = { [DDP_COMPONENT_AAL] = { MTK_DISP_AAL, 0, NULL }, + [DDP_COMPONENT_BLS] = { MTK_DISP_BLS, 0, NULL }, [DDP_COMPONENT_COLOR0] = { MTK_DISP_COLOR, 0, &ddp_color }, [DDP_COMPONENT_COLOR1] = { MTK_DISP_COLOR, 1, &ddp_color }, [DDP_COMPONENT_DPI0] = { MTK_DPI, 0, NULL }, diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h index 6b13ba9..1c344e4 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h @@ -35,6 +35,7 @@ enum mtk_ddp_comp_type { MTK_DISP_PWM, MTK_DISP_MUTEX, MTK_DISP_OD, + MTK_DISP_BLS, MTK_DDP_COMP_TYPE_MAX, }; @@ -57,6 +58,7 @@ enum mtk_ddp_comp_id { DDP_COMPONENT_UFOE, DDP_COMPONENT_WDMA0, DDP_COMPONENT_WDMA1, + DDP_COMPONENT_BLS, DDP_COMPONENT_ID_MAX, }; diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c index 2774cbd..8b562ab 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c @@ -109,7 +109,20 @@ static const struct drm_mode_config_funcs mtk_drm_mode_config_funcs = { .atomic_commit = mtk_atomic_commit, }; -static const enum mtk_ddp_comp_id mtk_ddp_main[] = { +static const enum mtk_ddp_comp_id mtk_ddp_main_2701[] = { + DDP_COMPONENT_OVL0, + DDP_COMPONENT_RDMA0, + DDP_COMPONENT_COLOR0, + DDP_COMPONENT_BLS, + DDP_COMPONENT_DSI0, +}; + +static const enum mtk_ddp_comp_id mtk_ddp_ext_2701[] = { + DDP_COMPONENT_OVL0, + DDP_COMPONENT_DSI0, +}; + +static const enum mtk_ddp_comp_id mtk_ddp_main_8173[] = { DDP_COMPONENT_OVL0, DDP_COMPONENT_COLOR0, DDP_COMPONENT_AAL, @@ -120,7 +133,7 @@ static const enum mtk_ddp_comp_id mtk_ddp_main[] = { DDP_COMPONENT_PWM0, }; -static const enum mtk_ddp_comp_id mtk_ddp_ext[] = { +static const enum mtk_ddp_comp_id mtk_ddp_ext_8173[] = { DDP_COMPONENT_OVL1, DDP_COMPONENT_COLOR1, DDP_COMPONENT_GAMMA, @@ -128,6 +141,20 @@ static const enum mtk_ddp_comp_id mtk_ddp_ext[] = { DDP_COMPONENT_DPI0, }; +static const struct mtk_mmsys_driver_data mt2701_mmsys_driver_data = { + .main_path = mtk_ddp_main_2701, + .main_len = ARRAY_SIZE(mtk_ddp_main_2701), + .ext_path = mtk_ddp_ext_2701, + .ext_len = ARRAY_SIZE(mtk_ddp_ext_2701), +}; + +static const struct mtk_mmsys_driver_data mt8173_mmsys_driver_data = { + .main_path = mtk_ddp_main_8173, + .main_len = ARRAY_SIZE(mtk_ddp_main_8173), + .ext_path = mtk_ddp_ext_8173, + .ext_len = ARRAY_SIZE(mtk_ddp_ext_8173), +}; + static int mtk_drm_kms_init(struct drm_device *drm) { struct mtk_drm_private *private = drm->dev_private; @@ -170,17 +197,19 @@ static int mtk_drm_kms_init(struct drm_device *drm) * and each statically assigned to a crtc: * OVL0 -> COLOR0 -> AAL -> OD -> RDMA0 -> UFOE -> DSI0 ... */ - ret = mtk_drm_crtc_create(drm, mtk_ddp_main, ARRAY_SIZE(mtk_ddp_main)); + ret = mtk_drm_crtc_create(drm, private->data->main_path, + private->data->main_len); if (ret < 0) goto err_component_unbind; /* ... and OVL1 -> COLOR1 -> GAMMA -> RDMA1 -> DPI0. */ - ret = mtk_drm_crtc_create(drm, mtk_ddp_ext, ARRAY_SIZE(mtk_ddp_ext)); + ret = mtk_drm_crtc_create(drm, private->data->ext_path, + private->data->ext_len); if (ret < 0) goto err_component_unbind; /* Use OVL device for all DMA memory allocations */ - np = private->comp_node[mtk_ddp_main[0]] ?: - private->comp_node[mtk_ddp_ext[0]]; + np = private->comp_node[private->data->main_path[0]] ?: + private->comp_node[private->data->ext_path[0]]; pdev = of_find_device_by_node(np); if (!pdev) { ret = -ENODEV; @@ -316,21 +345,44 @@ static const struct component_master_ops mtk_drm_ops = { }; static const struct of_device_id mtk_ddp_comp_dt_ids[] = { + { .compatible = "mediatek,mt2701-disp-ovl", .data = (void *)MTK_DISP_OVL }, { .compatible = "mediatek,mt8173-disp-ovl", .data = (void *)MTK_DISP_OVL }, + { .compatible = "mediatek,mt2701-disp-rdma", .data = (void *)MTK_DISP_RDMA }, { .compatible = "mediatek,mt8173-disp-rdma", .data = (void *)MTK_DISP_RDMA }, + { .compatible = "mediatek,mt2701-disp-wdma", .data = (void *)MTK_DISP_WDMA }, { .compatible = "mediatek,mt8173-disp-wdma", .data = (void *)MTK_DISP_WDMA }, + { .compatible = "mediatek,mt2701-disp-color", .data = (void *)MTK_DISP_COLOR }, { .compatible = "mediatek,mt8173-disp-color", .data = (void *)MTK_DISP_COLOR }, { .compatible = "mediatek,mt8173-disp-aal", .data = (void *)MTK_DISP_AAL}, { .compatible = "mediatek,mt8173-disp-gamma", .data = (void *)MTK_DISP_GAMMA, }, { .compatible = "mediatek,mt8173-disp-ufoe", .data = (void *)MTK_DISP_UFOE }, + { .compatible = "mediatek,mt2701-dsi", .data = (void *)MTK_DSI }, { .compatible = "mediatek,mt8173-dsi", .data = (void *)MTK_DSI }, + { .compatible = "mediatek,mt2701-dpi", .data = (void *)MTK_DPI }, { .compatible = "mediatek,mt8173-dpi", .data = (void *)MTK_DPI }, + { .compatible = "mediatek,mt2701-disp-mutex", .data = (void *)MTK_DISP_MUTEX }, { .compatible = "mediatek,mt8173-disp-mutex", .data = (void *)MTK_DISP_MUTEX }, { .compatible = "mediatek,mt8173-disp-pwm", .data = (void *)MTK_DISP_PWM }, { .compatible = "mediatek,mt8173-disp-od", .data = (void *)MTK_DISP_OD }, + { .compatible = "mediatek,mt2701-disp-bls", .data = (void *)MTK_DISP_BLS }, { } }; +static const struct of_device_id mtk_drm_of_ids[] = { + { .compatible = "mediatek,mt2701-mmsys", .data = &mt2701_mmsys_driver_data}, + { .compatible = "mediatek,mt8173-mmsys", .data = &mt8173_mmsys_driver_data}, + { } +}; + +static inline struct mtk_mmsys_driver_data *mtk_drm_get_driver_data( + struct platform_device *pdev) +{ + const struct of_device_id *of_id = + of_match_device(mtk_drm_of_ids, &pdev->dev); + + return (struct mtk_mmsys_driver_data *)of_id->data; +} + static int mtk_drm_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; @@ -347,6 +399,7 @@ static int mtk_drm_probe(struct platform_device *pdev) mutex_init(&private->commit.lock); INIT_WORK(&private->commit.work, mtk_atomic_work); + private->data = mtk_drm_get_driver_data(pdev); mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); private->config_regs = devm_ioremap_resource(dev, mem); @@ -497,11 +550,6 @@ static int mtk_drm_sys_resume(struct device *dev) static SIMPLE_DEV_PM_OPS(mtk_drm_pm_ops, mtk_drm_sys_suspend, mtk_drm_sys_resume); -static const struct of_device_id mtk_drm_of_ids[] = { - { .compatible = "mediatek,mt8173-mmsys", }, - { } -}; - static struct platform_driver mtk_drm_platform_driver = { .probe = mtk_drm_probe, .remove = mtk_drm_remove, diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.h b/drivers/gpu/drm/mediatek/mtk_drm_drv.h index aa93894..fa0b106 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.h +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.h @@ -28,6 +28,13 @@ struct drm_fb_helper; struct drm_property; struct regmap; +struct mtk_mmsys_driver_data { + const enum mtk_ddp_comp_id *main_path; + unsigned int main_len; + const enum mtk_ddp_comp_id *ext_path; + unsigned int ext_len; +}; + struct mtk_drm_private { struct drm_device *drm; struct device *dma_dev; @@ -40,6 +47,7 @@ struct mtk_drm_private { void __iomem *config_regs; struct device_node *comp_node[DDP_COMPONENT_ID_MAX]; struct mtk_ddp_comp *ddp_comp[DDP_COMPONENT_ID_MAX]; + const struct mtk_mmsys_driver_data *data; struct { struct drm_atomic_state *state;