From patchwork Mon Sep 12 12:01:05 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: YT Shen X-Patchwork-Id: 9326283 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 93F2D6077F for ; Mon, 12 Sep 2016 12:02:40 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 80DD328C5E for ; Mon, 12 Sep 2016 12:02:40 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 72D9D28C73; Mon, 12 Sep 2016 12:02:40 +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 7A05C28C5E for ; Mon, 12 Sep 2016 12:02:39 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.85_2 #1 (Red Hat Linux)) id 1bjPwc-0001Of-Nq; Mon, 12 Sep 2016 12:02:38 +0000 Received: from [210.61.82.184] (helo=mailgw02.mediatek.com) by bombadil.infradead.org with esmtp (Exim 4.85_2 #1 (Red Hat Linux)) id 1bjPwP-0001Ix-SC; Mon, 12 Sep 2016 12:02:31 +0000 Received: from mtkhts07.mediatek.inc [(172.21.101.69)] by mailgw02.mediatek.com (envelope-from ) (mhqrelay.mediatek.com ESMTP with TLS) with ESMTP id 100775701; Mon, 12 Sep 2016 20:02:07 +0800 Received: from mtkslt301.mediatek.inc (10.21.14.114) by mtkhts07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 14.3.266.1; Mon, 12 Sep 2016 20:02:06 +0800 From: YT Shen To: , Philipp Zabel Subject: [PATCH v8 2/9] drm/mediatek: add *driver_data for different hardware settings Date: Mon, 12 Sep 2016 20:01:05 +0800 Message-ID: <1473681672-47144-3-git-send-email-yt.shen@mediatek.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1473681672-47144-1-git-send-email-yt.shen@mediatek.com> References: <1473681672-47144-1-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-20160912_050226_510635_C8BA1919 X-CRM114-Status: GOOD ( 21.58 ) 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: David Airlie , Daniel Vetter , Chris Wilson , Thierry Reding , Boris Brezillon , Jie Qiu , Mao Huang , Bibby Hsieh , YT Shen , yingjoe.chen@mediatek.com, Dan Carpenter , Jitao Shi , CK Hu , linux-mediatek@lists.infradead.org, Matthias Brugger , shaoming chen , linux-arm-kernel@lists.infradead.org, srv_heupstream@mediatek.com, emil.l.velikov@gmail.com, linux-kernel@vger.kernel.org, Sascha Hauer , Maxime Ripard Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP There are some hardware settings changed, between MT8173 & MT2701: DISP_OVL address offset changed, color format definition changed. DISP_RDMA fifo size changed. DISP_COLOR offset changed. MIPI_TX pll setting changed. And add prefix for mtk_ddp_main & mtk_ddp_ext & mutex_mod. Signed-off-by: YT Shen --- drivers/gpu/drm/mediatek/mtk_disp_ovl.c | 27 ++++++++++++++++----------- drivers/gpu/drm/mediatek/mtk_disp_rdma.c | 11 +++++++++-- drivers/gpu/drm/mediatek/mtk_drm_ddp.c | 11 +++++++---- drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 27 +++++++++++++++++++++------ drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h | 13 +++++++++++++ drivers/gpu/drm/mediatek/mtk_drm_drv.c | 25 ++++++++++++++++++------- drivers/gpu/drm/mediatek/mtk_drm_drv.h | 8 ++++++++ drivers/gpu/drm/mediatek/mtk_mipi_tx.c | 24 +++++++++++++++++++++++- 8 files changed, 115 insertions(+), 31 deletions(-) diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c index 8f62671f..20c0b47 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c +++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c @@ -35,13 +35,10 @@ #define DISP_REG_OVL_PITCH(n) (0x0044 + 0x20 * (n)) #define DISP_REG_OVL_RDMA_CTRL(n) (0x00c0 + 0x20 * (n)) #define DISP_REG_OVL_RDMA_GMC(n) (0x00c8 + 0x20 * (n)) -#define DISP_REG_OVL_ADDR(n) (0x0f40 + 0x20 * (n)) #define OVL_RDMA_MEM_GMC 0x40402020 #define OVL_CON_BYTE_SWAP BIT(24) -#define OVL_CON_CLRFMT_RGB565 (0 << 12) -#define OVL_CON_CLRFMT_RGB888 (1 << 12) #define OVL_CON_CLRFMT_RGBA8888 (2 << 12) #define OVL_CON_CLRFMT_ARGB8888 (3 << 12) #define OVL_CON_AEN BIT(8) @@ -136,18 +133,18 @@ static void mtk_ovl_layer_off(struct mtk_ddp_comp *comp, unsigned int idx) writel(0x0, comp->regs + DISP_REG_OVL_RDMA_CTRL(idx)); } -static unsigned int ovl_fmt_convert(unsigned int fmt) +static unsigned int ovl_fmt_convert(struct mtk_ddp_comp *comp, unsigned int fmt) { switch (fmt) { default: case DRM_FORMAT_RGB565: - return OVL_CON_CLRFMT_RGB565; + return comp->data->ovl.fmt_rgb565; case DRM_FORMAT_BGR565: - return OVL_CON_CLRFMT_RGB565 | OVL_CON_BYTE_SWAP; + return comp->data->ovl.fmt_rgb565 | OVL_CON_BYTE_SWAP; case DRM_FORMAT_RGB888: - return OVL_CON_CLRFMT_RGB888; + return comp->data->ovl.fmt_rgb888; case DRM_FORMAT_BGR888: - return OVL_CON_CLRFMT_RGB888 | OVL_CON_BYTE_SWAP; + return comp->data->ovl.fmt_rgb888 | OVL_CON_BYTE_SWAP; case DRM_FORMAT_RGBX8888: case DRM_FORMAT_RGBA8888: return OVL_CON_CLRFMT_ARGB8888; @@ -177,7 +174,7 @@ static void mtk_ovl_layer_config(struct mtk_ddp_comp *comp, unsigned int idx, if (!pending->enable) mtk_ovl_layer_off(comp, idx); - con = ovl_fmt_convert(fmt); + con = ovl_fmt_convert(comp, fmt); if (idx != 0) con |= OVL_CON_AEN | OVL_CON_ALPHA; @@ -185,7 +182,8 @@ static void mtk_ovl_layer_config(struct mtk_ddp_comp *comp, unsigned int idx, writel_relaxed(pitch, comp->regs + DISP_REG_OVL_PITCH(idx)); writel_relaxed(src_size, comp->regs + DISP_REG_OVL_SRC_SIZE(idx)); writel_relaxed(offset, comp->regs + DISP_REG_OVL_OFFSET(idx)); - writel_relaxed(addr, comp->regs + DISP_REG_OVL_ADDR(idx)); + writel_relaxed(addr, comp->regs + comp->data->ovl.addr_offset + + idx * 0x20); if (pending->enable) mtk_ovl_layer_on(comp, idx); @@ -269,6 +267,8 @@ static int mtk_disp_ovl_probe(struct platform_device *pdev) return ret; } + priv->ddp_comp.data = of_device_get_match_data(dev); + platform_set_drvdata(pdev, priv); ret = component_add(dev, &mtk_disp_ovl_component_ops); @@ -285,8 +285,13 @@ static int mtk_disp_ovl_remove(struct platform_device *pdev) return 0; } +static const struct mtk_ddp_comp_driver_data mt8173_ovl_driver_data = { + .ovl = {0x0f40, 0, 1 << 12} +}; + static const struct of_device_id mtk_disp_ovl_driver_dt_match[] = { - { .compatible = "mediatek,mt8173-disp-ovl", }, + { .compatible = "mediatek,mt8173-disp-ovl", + .data = &mt8173_ovl_driver_data}, {}, }; MODULE_DEVICE_TABLE(of, mtk_disp_ovl_driver_dt_match); diff --git a/drivers/gpu/drm/mediatek/mtk_disp_rdma.c b/drivers/gpu/drm/mediatek/mtk_disp_rdma.c index 5fb80cb..fb0db50 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_rdma.c +++ b/drivers/gpu/drm/mediatek/mtk_disp_rdma.c @@ -122,7 +122,7 @@ static void mtk_rdma_config(struct mtk_ddp_comp *comp, unsigned int width, */ threshold = width * height * vrefresh * 4 * 7 / 1000000; reg = RDMA_FIFO_UNDERFLOW_EN | - RDMA_FIFO_PSEUDO_SIZE(SZ_8K) | + RDMA_FIFO_PSEUDO_SIZE(comp->data->rdma_fifo_pseudo_size) | RDMA_OUTPUT_VALID_FIFO_THRESHOLD(threshold); writel(reg, comp->regs + DISP_REG_RDMA_FIFO_CON); } @@ -207,6 +207,8 @@ static int mtk_disp_rdma_probe(struct platform_device *pdev) return ret; } + priv->ddp_comp.data = of_device_get_match_data(dev); + platform_set_drvdata(pdev, priv); ret = component_add(dev, &mtk_disp_rdma_component_ops); @@ -223,8 +225,13 @@ static int mtk_disp_rdma_remove(struct platform_device *pdev) return 0; } +static const struct mtk_ddp_comp_driver_data mt8173_rdma_driver_data = { + .rdma_fifo_pseudo_size = SZ_8K, +}; + static const struct of_device_id mtk_disp_rdma_driver_dt_match[] = { - { .compatible = "mediatek,mt8173-disp-rdma", }, + { .compatible = "mediatek,mt8173-disp-rdma", + .data = &mt8173_rdma_driver_data}, {}, }; MODULE_DEVICE_TABLE(of, mtk_disp_rdma_driver_dt_match); diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp.c index 2fc4321..8030769 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp.c @@ -77,9 +77,10 @@ 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[DDP_COMPONENT_ID_MAX] = { +static const unsigned int mt8173_mutex_mod[DDP_COMPONENT_ID_MAX] = { [DDP_COMPONENT_AAL] = MT8173_MUTEX_MOD_DISP_AAL, [DDP_COMPONENT_COLOR0] = MT8173_MUTEX_MOD_DISP_COLOR0, [DDP_COMPONENT_COLOR1] = MT8173_MUTEX_MOD_DISP_COLOR1, @@ -247,7 +248,7 @@ 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 +274,7 @@ 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; } @@ -326,6 +327,8 @@ static int mtk_ddp_probe(struct platform_device *pdev) return PTR_ERR(ddp->regs); } + ddp->mutex_mod = of_device_get_match_data(dev); + platform_set_drvdata(pdev, ddp); return 0; @@ -337,7 +340,7 @@ static int mtk_ddp_remove(struct platform_device *pdev) } static const struct of_device_id ddp_driver_dt_match[] = { - { .compatible = "mediatek,mt8173-disp-mutex" }, + { .compatible = "mediatek,mt8173-disp-mutex", .data = mt8173_mutex_mod}, {}, }; MODULE_DEVICE_TABLE(of, ddp_driver_dt_match); diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c index 3970fcf..4b4e449 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c @@ -34,9 +34,8 @@ #define DISP_REG_UFO_START 0x0000 #define DISP_COLOR_CFG_MAIN 0x0400 -#define DISP_COLOR_START 0x0c00 -#define DISP_COLOR_WIDTH 0x0c50 -#define DISP_COLOR_HEIGHT 0x0c54 +#define DISP_COLOR_WIDTH 0x50 +#define DISP_COLOR_HEIGHT 0x54 #define OD_RELAY_MODE BIT(0) @@ -48,15 +47,15 @@ static void mtk_color_config(struct mtk_ddp_comp *comp, unsigned int w, unsigned int h, unsigned int vrefresh) { - writel(w, comp->regs + DISP_COLOR_WIDTH); - writel(h, comp->regs + DISP_COLOR_HEIGHT); + writel(w, comp->regs + comp->data->color_offset + DISP_COLOR_WIDTH); + writel(h, comp->regs + comp->data->color_offset + DISP_COLOR_HEIGHT); } static void mtk_color_start(struct mtk_ddp_comp *comp) { writel(COLOR_BYPASS_ALL | COLOR_SEQ_SEL, comp->regs + DISP_COLOR_CFG_MAIN); - writel(0x1, comp->regs + DISP_COLOR_START); + writel(0x1, comp->regs + comp->data->color_offset); } static void mtk_od_config(struct mtk_ddp_comp *comp, unsigned int w, @@ -131,6 +130,16 @@ static const struct mtk_ddp_comp_match mtk_ddp_matches[DDP_COMPONENT_ID_MAX] = { [DDP_COMPONENT_WDMA1] = { MTK_DISP_WDMA, 1, NULL }, }; +static const struct mtk_ddp_comp_driver_data mt8173_color_driver_data = { + .color_offset = 0x0c00, +}; + +static const struct of_device_id mtk_disp_color_driver_dt_match[] = { + { .compatible = "mediatek,mt8173-disp-color", + .data = &mt8173_color_driver_data}, + {}, +}; + int mtk_ddp_comp_get_id(struct device_node *node, enum mtk_ddp_comp_type comp_type) { @@ -153,6 +162,7 @@ int mtk_ddp_comp_init(struct device *dev, struct device_node *node, enum mtk_ddp_comp_type type; struct device_node *larb_node; struct platform_device *larb_pdev; + const struct of_device_id *match; if (comp_id < 0 || comp_id >= DDP_COMPONENT_ID_MAX) return -EINVAL; @@ -177,6 +187,11 @@ int mtk_ddp_comp_init(struct device *dev, struct device_node *node, type = mtk_ddp_matches[comp_id].type; + if (type == MTK_DISP_COLOR) { + match = of_match_node(mtk_disp_color_driver_dt_match, node); + comp->data = match->data; + } + /* Only DMA capable components need the LARB property */ comp->larb_dev = NULL; if (type != MTK_DISP_OVL && diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h index 6b13ba9..53065c7 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h @@ -75,6 +75,18 @@ struct mtk_ddp_comp_funcs { struct mtk_plane_state *state); }; +struct mtk_ddp_comp_driver_data { + union { + struct ovl { + unsigned int addr_offset; + unsigned int fmt_rgb565; + unsigned int fmt_rgb888; + } ovl; + unsigned int rdma_fifo_pseudo_size; + unsigned int color_offset; + }; +}; + struct mtk_ddp_comp { struct clk *clk; void __iomem *regs; @@ -82,6 +94,7 @@ struct mtk_ddp_comp { struct device *larb_dev; enum mtk_ddp_comp_id id; const struct mtk_ddp_comp_funcs *funcs; + const struct mtk_ddp_comp_driver_data *data; }; static inline void mtk_ddp_comp_config(struct mtk_ddp_comp *comp, diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c index eebb7d8..6dbe963 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c @@ -109,7 +109,7 @@ 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 mt8173_mtk_ddp_main[] = { DDP_COMPONENT_OVL0, DDP_COMPONENT_COLOR0, DDP_COMPONENT_AAL, @@ -120,7 +120,7 @@ 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 mt8173_mtk_ddp_ext[] = { DDP_COMPONENT_OVL1, DDP_COMPONENT_COLOR1, DDP_COMPONENT_GAMMA, @@ -128,6 +128,13 @@ static const enum mtk_ddp_comp_id mtk_ddp_ext[] = { DDP_COMPONENT_DPI0, }; +static const struct mtk_mmsys_driver_data mt8173_mmsys_driver_data = { + .main_path = mt8173_mtk_ddp_main, + .main_len = ARRAY_SIZE(mt8173_mtk_ddp_main), + .ext_path = mt8173_mtk_ddp_ext, + .ext_len = ARRAY_SIZE(mt8173_mtk_ddp_ext), +}; + static int mtk_drm_kms_init(struct drm_device *drm) { struct mtk_drm_private *private = drm->dev_private; @@ -170,17 +177,19 @@ 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; @@ -345,6 +354,7 @@ static int mtk_drm_probe(struct platform_device *pdev) mutex_init(&private->commit.lock); INIT_WORK(&private->commit.work, mtk_atomic_work); + private->data = of_device_get_match_data(dev); mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); private->config_regs = devm_ioremap_resource(dev, mem); @@ -495,7 +505,8 @@ 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", }, + { .compatible = "mediatek,mt8173-mmsys", + .data = &mt8173_mmsys_driver_data}, { } }; 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; diff --git a/drivers/gpu/drm/mediatek/mtk_mipi_tx.c b/drivers/gpu/drm/mediatek/mtk_mipi_tx.c index 1c366f8..935a8ef 100644 --- a/drivers/gpu/drm/mediatek/mtk_mipi_tx.c +++ b/drivers/gpu/drm/mediatek/mtk_mipi_tx.c @@ -16,6 +16,7 @@ #include #include #include +#include #include #include @@ -87,6 +88,9 @@ #define MIPITX_DSI_PLL_CON2 0x58 +#define MIPITX_DSI_PLL_TOP 0x64 +#define RG_DSI_MPPLL_PRESERVE (0xff << 8) + #define MIPITX_DSI_PLL_PWR 0x68 #define RG_DSI_MPPLL_SDM_PWR_ON BIT(0) #define RG_DSI_MPPLL_SDM_ISO_EN BIT(1) @@ -123,10 +127,15 @@ #define SW_LNT2_HSTX_PRE_OE BIT(24) #define SW_LNT2_HSTX_OE BIT(25) +struct mtk_mipitx_data { + const u32 data; +}; + struct mtk_mipi_tx { struct device *dev; void __iomem *regs; unsigned int data_rate; + const struct mtk_mipitx_data *driver_data; struct clk_hw pll_hw; struct clk *pll; }; @@ -243,6 +252,10 @@ static int mtk_mipi_tx_pll_prepare(struct clk_hw *hw) mtk_mipi_tx_clear_bits(mipi_tx, MIPITX_DSI_PLL_CON1, RG_DSI_MPPLL_SDM_SSC_EN); + mtk_mipi_tx_update_bits(mipi_tx, MIPITX_DSI_PLL_TOP, + RG_DSI_MPPLL_PRESERVE, + mipi_tx->driver_data->data); + return 0; } @@ -255,6 +268,9 @@ static void mtk_mipi_tx_pll_unprepare(struct clk_hw *hw) mtk_mipi_tx_clear_bits(mipi_tx, MIPITX_DSI_PLL_CON0, RG_DSI_MPPLL_PLL_EN); + mtk_mipi_tx_update_bits(mipi_tx, MIPITX_DSI_PLL_TOP, + RG_DSI_MPPLL_PRESERVE, 0); + mtk_mipi_tx_update_bits(mipi_tx, MIPITX_DSI_PLL_PWR, RG_DSI_MPPLL_SDM_ISO_EN | RG_DSI_MPPLL_SDM_PWR_ON, @@ -391,6 +407,7 @@ static int mtk_mipi_tx_probe(struct platform_device *pdev) if (!mipi_tx) return -ENOMEM; + mipi_tx->driver_data = of_device_get_match_data(dev); mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); mipi_tx->regs = devm_ioremap_resource(dev, mem); if (IS_ERR(mipi_tx->regs)) { @@ -448,8 +465,13 @@ static int mtk_mipi_tx_remove(struct platform_device *pdev) return 0; } +static const struct mtk_mipitx_data mt8173_mipitx_data = { + .data = (0 << 8) +}; + static const struct of_device_id mtk_mipi_tx_match[] = { - { .compatible = "mediatek,mt8173-mipi-tx", }, + { .compatible = "mediatek,mt8173-mipi-tx", + .data = &mt8173_mipitx_data }, {}, };