mirror of
https://github.com/Ysurac/openmptcprouter.git
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641 lines
17 KiB
Diff
641 lines
17 KiB
Diff
From 186643bd86d33f0a773139deb5af6e12354b5907 Mon Sep 17 00:00:00 2001
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From: chunhui dai <chunhui.dai@mediatek.com>
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Date: Wed, 3 Oct 2018 11:41:47 +0800
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Subject: [PATCH 33/77] drm/mediatek: separate hdmi phy to different file
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Different IC has different phy setting of HDMI.
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This patch separates the phy hardware relate part for mt8173.
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Signed-off-by: chunhui dai <chunhui.dai@mediatek.com>
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Reviewed-by: CK Hu <ck.hu@mediatek.com>
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---
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drivers/gpu/drm/mediatek/Makefile | 6 +-
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drivers/gpu/drm/mediatek/mtk_hdmi.c | 1 +
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drivers/gpu/drm/mediatek/mtk_hdmi.h | 2 +-
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drivers/gpu/drm/mediatek/mtk_hdmi_phy.c | 232 ++++++++++++++++++
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drivers/gpu/drm/mediatek/mtk_hdmi_phy.h | 58 +++++
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.../gpu/drm/mediatek/mtk_mt8173_hdmi_phy.c | 226 +----------------
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6 files changed, 302 insertions(+), 223 deletions(-)
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create mode 100644 drivers/gpu/drm/mediatek/mtk_hdmi_phy.c
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create mode 100644 drivers/gpu/drm/mediatek/mtk_hdmi_phy.h
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diff --git a/drivers/gpu/drm/mediatek/Makefile b/drivers/gpu/drm/mediatek/Makefile
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index ce83c396a742..61cf0d2ab28a 100644
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--- a/drivers/gpu/drm/mediatek/Makefile
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+++ b/drivers/gpu/drm/mediatek/Makefile
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@@ -1,4 +1,5 @@
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# SPDX-License-Identifier: GPL-2.0
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+
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mediatek-drm-y := mtk_disp_color.o \
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mtk_disp_ovl.o \
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mtk_disp_rdma.o \
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@@ -18,6 +19,7 @@ obj-$(CONFIG_DRM_MEDIATEK) += mediatek-drm.o
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mediatek-drm-hdmi-objs := mtk_cec.o \
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mtk_hdmi.o \
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mtk_hdmi_ddc.o \
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- mtk_mt8173_hdmi_phy.o
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+ mtk_mt8173_hdmi_phy.o \
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+ mtk_hdmi_phy.o
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-obj-$(CONFIG_DRM_MEDIATEK_HDMI) += mediatek-drm-hdmi.o
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+obj-$(CONFIG_DRM_MEDIATEK_HDMI) += mediatek-drm-hdmi.o
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\ No newline at end of file
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diff --git a/drivers/gpu/drm/mediatek/mtk_hdmi.c b/drivers/gpu/drm/mediatek/mtk_hdmi.c
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index 643f5edd68fe..29bd2a144b19 100644
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--- a/drivers/gpu/drm/mediatek/mtk_hdmi.c
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+++ b/drivers/gpu/drm/mediatek/mtk_hdmi.c
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@@ -233,6 +233,7 @@ static void mtk_hdmi_hw_vid_black(struct mtk_hdmi *hdmi, bool black)
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static void mtk_hdmi_hw_make_reg_writable(struct mtk_hdmi *hdmi, bool enable)
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{
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struct arm_smccc_res res;
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+ struct mtk_hdmi_phy *hdmi_phy = phy_get_drvdata(hdmi->phy);
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/*
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* MT8173 HDMI hardware has an output control bit to enable/disable HDMI
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diff --git a/drivers/gpu/drm/mediatek/mtk_hdmi.h b/drivers/gpu/drm/mediatek/mtk_hdmi.h
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index 6371b3de1ff6..3e9fb8d19802 100644
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--- a/drivers/gpu/drm/mediatek/mtk_hdmi.h
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+++ b/drivers/gpu/drm/mediatek/mtk_hdmi.h
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@@ -13,11 +13,11 @@
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*/
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#ifndef _MTK_HDMI_CTRL_H
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#define _MTK_HDMI_CTRL_H
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+#include "mtk_hdmi_phy.h"
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struct platform_driver;
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extern struct platform_driver mtk_cec_driver;
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extern struct platform_driver mtk_hdmi_ddc_driver;
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-extern struct platform_driver mtk_hdmi_phy_driver;
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#endif /* _MTK_HDMI_CTRL_H */
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diff --git a/drivers/gpu/drm/mediatek/mtk_hdmi_phy.c b/drivers/gpu/drm/mediatek/mtk_hdmi_phy.c
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new file mode 100644
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index 000000000000..514f3e9a8767
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--- /dev/null
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+++ b/drivers/gpu/drm/mediatek/mtk_hdmi_phy.c
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@@ -0,0 +1,232 @@
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+// SPDX-License-Identifier: GPL-2.0
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+/*
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+ * Copyright (c) 2018 MediaTek Inc.
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+ * Author: Jie Qiu <jie.qiu@mediatek.com>
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+ */
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+
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+#include "mtk_hdmi_phy.h"
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+
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+static int mtk_hdmi_phy_power_on(struct phy *phy);
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+static int mtk_hdmi_phy_power_off(struct phy *phy);
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+
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+static const struct phy_ops mtk_hdmi_phy_dev_ops = {
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+ .power_on = mtk_hdmi_phy_power_on,
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+ .power_off = mtk_hdmi_phy_power_off,
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+ .owner = THIS_MODULE,
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+};
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+
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+long mtk_hdmi_pll_round_rate(struct clk_hw *hw, unsigned long rate,
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+ unsigned long *parent_rate)
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+{
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+ struct mtk_hdmi_phy *hdmi_phy = to_mtk_hdmi_phy(hw);
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+
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+ hdmi_phy->pll_rate = rate;
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+ if (rate <= 74250000)
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+ *parent_rate = rate;
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+ else
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+ *parent_rate = rate / 2;
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+
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+ return rate;
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+}
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+
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+unsigned long mtk_hdmi_pll_recalc_rate(struct clk_hw *hw,
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+ unsigned long parent_rate)
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+{
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+ struct mtk_hdmi_phy *hdmi_phy = to_mtk_hdmi_phy(hw);
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+
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+ return hdmi_phy->pll_rate;
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+}
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+
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+void mtk_hdmi_phy_clear_bits(struct mtk_hdmi_phy *hdmi_phy, u32 offset,
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+ u32 bits)
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+{
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+ void __iomem *reg = hdmi_phy->regs + offset;
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+ u32 tmp;
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+
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+ tmp = readl(reg);
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+ tmp &= ~bits;
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+ writel(tmp, reg);
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+}
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+
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+void mtk_hdmi_phy_set_bits(struct mtk_hdmi_phy *hdmi_phy, u32 offset,
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+ u32 bits)
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+{
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+ void __iomem *reg = hdmi_phy->regs + offset;
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+ u32 tmp;
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+
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+ tmp = readl(reg);
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+ tmp |= bits;
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+ writel(tmp, reg);
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+}
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+
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+void mtk_hdmi_phy_mask(struct mtk_hdmi_phy *hdmi_phy, u32 offset,
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+ u32 val, u32 mask)
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+{
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+ void __iomem *reg = hdmi_phy->regs + offset;
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+ u32 tmp;
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+
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+ tmp = readl(reg);
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+ tmp = (tmp & ~mask) | (val & mask);
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+ writel(tmp, reg);
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+}
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+
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+inline struct mtk_hdmi_phy *to_mtk_hdmi_phy(struct clk_hw *hw)
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+{
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+ return container_of(hw, struct mtk_hdmi_phy, pll_hw);
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+}
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+
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+static int mtk_hdmi_phy_power_on(struct phy *phy)
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+{
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+ struct mtk_hdmi_phy *hdmi_phy = phy_get_drvdata(phy);
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+ int ret;
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+
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+ ret = clk_prepare_enable(hdmi_phy->pll);
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+ if (ret < 0)
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+ return ret;
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+
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+ hdmi_phy->conf->hdmi_phy_enable_tmds(hdmi_phy);
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+ return 0;
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+}
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+
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+static int mtk_hdmi_phy_power_off(struct phy *phy)
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+{
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+ struct mtk_hdmi_phy *hdmi_phy = phy_get_drvdata(phy);
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+
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+ hdmi_phy->conf->hdmi_phy_disable_tmds(hdmi_phy);
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+ clk_disable_unprepare(hdmi_phy->pll);
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+
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+ return 0;
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+}
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+
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+static const struct phy_ops *
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+mtk_hdmi_phy_dev_get_ops(const struct mtk_hdmi_phy *hdmi_phy)
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+{
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+ if (hdmi_phy && hdmi_phy->conf &&
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+ hdmi_phy->conf->hdmi_phy_enable_tmds &&
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+ hdmi_phy->conf->hdmi_phy_disable_tmds)
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+ return &mtk_hdmi_phy_dev_ops;
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+
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+ dev_err(hdmi_phy->dev, "Failed to get dev ops of phy\n");
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+ return NULL;
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+}
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+
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+static void mtk_hdmi_phy_clk_get_ops(struct mtk_hdmi_phy *hdmi_phy,
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+ const struct clk_ops **ops)
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+{
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+ if (hdmi_phy && hdmi_phy->conf && hdmi_phy->conf->hdmi_phy_clk_ops)
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+ *ops = hdmi_phy->conf->hdmi_phy_clk_ops;
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+ else
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+ dev_err(hdmi_phy->dev, "Failed to get clk ops of phy\n");
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+}
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+
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+static int mtk_hdmi_phy_probe(struct platform_device *pdev)
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+{
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+ struct device *dev = &pdev->dev;
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+ struct mtk_hdmi_phy *hdmi_phy;
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+ struct resource *mem;
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+ struct clk *ref_clk;
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+ const char *ref_clk_name;
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+ struct clk_init_data clk_init = {
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+ .num_parents = 1,
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+ .parent_names = (const char * const *)&ref_clk_name,
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+ .flags = CLK_SET_RATE_PARENT | CLK_SET_RATE_GATE,
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+ };
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+
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+ struct phy *phy;
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+ struct phy_provider *phy_provider;
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+ int ret;
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+
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+ hdmi_phy = devm_kzalloc(dev, sizeof(*hdmi_phy), GFP_KERNEL);
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+ if (!hdmi_phy)
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+ return -ENOMEM;
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+
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+ mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
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+ hdmi_phy->regs = devm_ioremap_resource(dev, mem);
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+ if (IS_ERR(hdmi_phy->regs)) {
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+ ret = PTR_ERR(hdmi_phy->regs);
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+ dev_err(dev, "Failed to get memory resource: %d\n", ret);
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+ return ret;
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+ }
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+
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+ ref_clk = devm_clk_get(dev, "pll_ref");
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+ if (IS_ERR(ref_clk)) {
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+ ret = PTR_ERR(ref_clk);
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+ dev_err(&pdev->dev, "Failed to get PLL reference clock: %d\n",
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+ ret);
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+ return ret;
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+ }
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+ ref_clk_name = __clk_get_name(ref_clk);
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+
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+ ret = of_property_read_string(dev->of_node, "clock-output-names",
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+ &clk_init.name);
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+ if (ret < 0) {
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+ dev_err(dev, "Failed to read clock-output-names: %d\n", ret);
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+ return ret;
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+ }
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+
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+ hdmi_phy->dev = dev;
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+ hdmi_phy->conf =
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+ (struct mtk_hdmi_phy_conf *)of_device_get_match_data(dev);
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+ mtk_hdmi_phy_clk_get_ops(hdmi_phy, &clk_init.ops);
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+ hdmi_phy->pll_hw.init = &clk_init;
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+ hdmi_phy->pll = devm_clk_register(dev, &hdmi_phy->pll_hw);
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+ if (IS_ERR(hdmi_phy->pll)) {
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+ ret = PTR_ERR(hdmi_phy->pll);
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+ dev_err(dev, "Failed to register PLL: %d\n", ret);
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+ return ret;
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+ }
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+
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+ ret = of_property_read_u32(dev->of_node, "mediatek,ibias",
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+ &hdmi_phy->ibias);
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+ if (ret < 0) {
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+ dev_err(&pdev->dev, "Failed to get ibias: %d\n", ret);
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+ return ret;
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+ }
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+
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+ ret = of_property_read_u32(dev->of_node, "mediatek,ibias_up",
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+ &hdmi_phy->ibias_up);
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+ if (ret < 0) {
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+ dev_err(&pdev->dev, "Failed to get ibias up: %d\n", ret);
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+ return ret;
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+ }
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+
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+ dev_info(dev, "Using default TX DRV impedance: 4.2k/36\n");
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+ hdmi_phy->drv_imp_clk = 0x30;
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+ hdmi_phy->drv_imp_d2 = 0x30;
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+ hdmi_phy->drv_imp_d1 = 0x30;
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+ hdmi_phy->drv_imp_d0 = 0x30;
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+
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+ phy = devm_phy_create(dev, NULL, mtk_hdmi_phy_dev_get_ops(hdmi_phy));
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+ if (IS_ERR(phy)) {
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+ dev_err(dev, "Failed to create HDMI PHY\n");
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+ return PTR_ERR(phy);
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+ }
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+ phy_set_drvdata(phy, hdmi_phy);
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+
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+ phy_provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate);
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+ if (IS_ERR(phy_provider)) {
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+ dev_err(dev, "Failed to register HDMI PHY\n");
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+ return PTR_ERR(phy_provider);
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+ }
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+
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+ return of_clk_add_provider(dev->of_node, of_clk_src_simple_get,
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+ hdmi_phy->pll);
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+}
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+
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+static const struct of_device_id mtk_hdmi_phy_match[] = {
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+ { .compatible = "mediatek,mt8173-hdmi-phy",
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+ .data = &mtk_hdmi_phy_8173_conf,
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+ },
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+ {},
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+};
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+
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+struct platform_driver mtk_hdmi_phy_driver = {
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+ .probe = mtk_hdmi_phy_probe,
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+ .driver = {
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+ .name = "mediatek-hdmi-phy",
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+ .of_match_table = mtk_hdmi_phy_match,
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+ },
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+};
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+
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+MODULE_DESCRIPTION("MediaTek HDMI PHY Driver");
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+MODULE_LICENSE("GPL v2");
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diff --git a/drivers/gpu/drm/mediatek/mtk_hdmi_phy.h b/drivers/gpu/drm/mediatek/mtk_hdmi_phy.h
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new file mode 100644
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index 000000000000..09b8f525e6b8
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--- /dev/null
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+++ b/drivers/gpu/drm/mediatek/mtk_hdmi_phy.h
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@@ -0,0 +1,58 @@
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+/* SPDX-License-Identifier: GPL-2.0 */
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+/*
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+ * Copyright (c) 2018 MediaTek Inc.
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+ * Author: Chunhui Dai <chunhui.dai@mediatek.com>
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+ */
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+
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+#ifndef _MTK_HDMI_PHY_H
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+#define _MTK_HDMI_PHY_H
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+#include <linux/clk.h>
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+#include <linux/clk-provider.h>
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+#include <linux/delay.h>
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+#include <linux/io.h>
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+#include <linux/mfd/syscon.h>
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+#include <linux/module.h>
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+#include <linux/of_device.h>
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+#include <linux/phy/phy.h>
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+#include <linux/platform_device.h>
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+#include <linux/types.h>
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+
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+struct mtk_hdmi_phy;
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+
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+struct mtk_hdmi_phy_conf {
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+ const struct clk_ops *hdmi_phy_clk_ops;
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+ void (*hdmi_phy_enable_tmds)(struct mtk_hdmi_phy *hdmi_phy);
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+ void (*hdmi_phy_disable_tmds)(struct mtk_hdmi_phy *hdmi_phy);
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+};
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+
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+struct mtk_hdmi_phy {
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+ void __iomem *regs;
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+ struct device *dev;
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+ struct mtk_hdmi_phy_conf *conf;
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+ struct clk *pll;
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+ struct clk_hw pll_hw;
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+ unsigned long pll_rate;
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+ unsigned char drv_imp_clk;
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+ unsigned char drv_imp_d2;
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+ unsigned char drv_imp_d1;
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+ unsigned char drv_imp_d0;
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+ unsigned int ibias;
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+ unsigned int ibias_up;
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+};
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+
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+void mtk_hdmi_phy_clear_bits(struct mtk_hdmi_phy *hdmi_phy, u32 offset,
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+ u32 bits);
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+void mtk_hdmi_phy_set_bits(struct mtk_hdmi_phy *hdmi_phy, u32 offset,
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+ u32 bits);
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+void mtk_hdmi_phy_mask(struct mtk_hdmi_phy *hdmi_phy, u32 offset,
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+ u32 val, u32 mask);
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+struct mtk_hdmi_phy *to_mtk_hdmi_phy(struct clk_hw *hw);
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+long mtk_hdmi_pll_round_rate(struct clk_hw *hw, unsigned long rate,
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+ unsigned long *parent_rate);
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+unsigned long mtk_hdmi_pll_recalc_rate(struct clk_hw *hw,
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+ unsigned long parent_rate);
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+
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+extern struct platform_driver mtk_hdmi_phy_driver;
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+extern struct mtk_hdmi_phy_conf mtk_hdmi_phy_8173_conf;
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+
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+#endif /* _MTK_HDMI_PHY_H */
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diff --git a/drivers/gpu/drm/mediatek/mtk_mt8173_hdmi_phy.c b/drivers/gpu/drm/mediatek/mtk_mt8173_hdmi_phy.c
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index 51cb9cfb6646..ed5916b27658 100644
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--- a/drivers/gpu/drm/mediatek/mtk_mt8173_hdmi_phy.c
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+++ b/drivers/gpu/drm/mediatek/mtk_mt8173_hdmi_phy.c
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@@ -12,15 +12,7 @@
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* GNU General Public License for more details.
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*/
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-#include <linux/clk.h>
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-#include <linux/clk-provider.h>
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-#include <linux/delay.h>
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-#include <linux/io.h>
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-#include <linux/mfd/syscon.h>
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-#include <linux/module.h>
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-#include <linux/phy/phy.h>
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-#include <linux/platform_device.h>
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-#include <linux/types.h>
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+#include "mtk_hdmi_phy.h"
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#define HDMI_CON0 0x00
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#define RG_HDMITX_PLL_EN BIT(31)
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@@ -123,20 +115,6 @@
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#define RGS_HDMITX_5T1_EDG (0xf << 4)
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#define RGS_HDMITX_PLUG_TST BIT(0)
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-struct mtk_hdmi_phy {
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- void __iomem *regs;
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- struct device *dev;
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- struct clk *pll;
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- struct clk_hw pll_hw;
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- unsigned long pll_rate;
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- u8 drv_imp_clk;
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- u8 drv_imp_d2;
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- u8 drv_imp_d1;
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- u8 drv_imp_d0;
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- u32 ibias;
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- u32 ibias_up;
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-};
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-
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static const u8 PREDIV[3][4] = {
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{0x0, 0x0, 0x0, 0x0}, /* 27Mhz */
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|
{0x1, 0x1, 0x1, 0x1}, /* 74Mhz */
|
|
@@ -185,44 +163,6 @@ static const u8 HTPLLBR[3][4] = {
|
|
{0x1, 0x2, 0x2, 0x1} /* 148Mhz */
|
|
};
|
|
|
|
-static void mtk_hdmi_phy_clear_bits(struct mtk_hdmi_phy *hdmi_phy, u32 offset,
|
|
- u32 bits)
|
|
-{
|
|
- void __iomem *reg = hdmi_phy->regs + offset;
|
|
- u32 tmp;
|
|
-
|
|
- tmp = readl(reg);
|
|
- tmp &= ~bits;
|
|
- writel(tmp, reg);
|
|
-}
|
|
-
|
|
-static void mtk_hdmi_phy_set_bits(struct mtk_hdmi_phy *hdmi_phy, u32 offset,
|
|
- u32 bits)
|
|
-{
|
|
- void __iomem *reg = hdmi_phy->regs + offset;
|
|
- u32 tmp;
|
|
-
|
|
- tmp = readl(reg);
|
|
- tmp |= bits;
|
|
- writel(tmp, reg);
|
|
-}
|
|
-
|
|
-static void mtk_hdmi_phy_mask(struct mtk_hdmi_phy *hdmi_phy, u32 offset,
|
|
- u32 val, u32 mask)
|
|
-{
|
|
- void __iomem *reg = hdmi_phy->regs + offset;
|
|
- u32 tmp;
|
|
-
|
|
- tmp = readl(reg);
|
|
- tmp = (tmp & ~mask) | (val & mask);
|
|
- writel(tmp, reg);
|
|
-}
|
|
-
|
|
-static inline struct mtk_hdmi_phy *to_mtk_hdmi_phy(struct clk_hw *hw)
|
|
-{
|
|
- return container_of(hw, struct mtk_hdmi_phy, pll_hw);
|
|
-}
|
|
-
|
|
static int mtk_hdmi_pll_prepare(struct clk_hw *hw)
|
|
{
|
|
struct mtk_hdmi_phy *hdmi_phy = to_mtk_hdmi_phy(hw);
|
|
@@ -345,29 +285,7 @@ static int mtk_hdmi_pll_set_rate(struct clk_hw *hw, unsigned long rate,
|
|
return 0;
|
|
}
|
|
|
|
-static long mtk_hdmi_pll_round_rate(struct clk_hw *hw, unsigned long rate,
|
|
- unsigned long *parent_rate)
|
|
-{
|
|
- struct mtk_hdmi_phy *hdmi_phy = to_mtk_hdmi_phy(hw);
|
|
-
|
|
- hdmi_phy->pll_rate = rate;
|
|
- if (rate <= 74250000)
|
|
- *parent_rate = rate;
|
|
- else
|
|
- *parent_rate = rate / 2;
|
|
-
|
|
- return rate;
|
|
-}
|
|
-
|
|
-static unsigned long mtk_hdmi_pll_recalc_rate(struct clk_hw *hw,
|
|
- unsigned long parent_rate)
|
|
-{
|
|
- struct mtk_hdmi_phy *hdmi_phy = to_mtk_hdmi_phy(hw);
|
|
-
|
|
- return hdmi_phy->pll_rate;
|
|
-}
|
|
-
|
|
-static const struct clk_ops mtk_hdmi_pll_ops = {
|
|
+static const struct clk_ops mtk_hdmi_phy_pll_ops = {
|
|
.prepare = mtk_hdmi_pll_prepare,
|
|
.unprepare = mtk_hdmi_pll_unprepare,
|
|
.set_rate = mtk_hdmi_pll_set_rate,
|
|
@@ -390,142 +308,10 @@ static void mtk_hdmi_phy_disable_tmds(struct mtk_hdmi_phy *hdmi_phy)
|
|
RG_HDMITX_SER_EN);
|
|
}
|
|
|
|
-static int mtk_hdmi_phy_power_on(struct phy *phy)
|
|
-{
|
|
- struct mtk_hdmi_phy *hdmi_phy = phy_get_drvdata(phy);
|
|
- int ret;
|
|
-
|
|
- ret = clk_prepare_enable(hdmi_phy->pll);
|
|
- if (ret < 0)
|
|
- return ret;
|
|
-
|
|
- mtk_hdmi_phy_enable_tmds(hdmi_phy);
|
|
-
|
|
- return 0;
|
|
-}
|
|
-
|
|
-static int mtk_hdmi_phy_power_off(struct phy *phy)
|
|
-{
|
|
- struct mtk_hdmi_phy *hdmi_phy = phy_get_drvdata(phy);
|
|
-
|
|
- mtk_hdmi_phy_disable_tmds(hdmi_phy);
|
|
- clk_disable_unprepare(hdmi_phy->pll);
|
|
-
|
|
- return 0;
|
|
-}
|
|
-
|
|
-static const struct phy_ops mtk_hdmi_phy_ops = {
|
|
- .power_on = mtk_hdmi_phy_power_on,
|
|
- .power_off = mtk_hdmi_phy_power_off,
|
|
- .owner = THIS_MODULE,
|
|
-};
|
|
-
|
|
-static int mtk_hdmi_phy_probe(struct platform_device *pdev)
|
|
-{
|
|
- struct device *dev = &pdev->dev;
|
|
- struct mtk_hdmi_phy *hdmi_phy;
|
|
- struct resource *mem;
|
|
- struct clk *ref_clk;
|
|
- const char *ref_clk_name;
|
|
- struct clk_init_data clk_init = {
|
|
- .ops = &mtk_hdmi_pll_ops,
|
|
- .num_parents = 1,
|
|
- .parent_names = (const char * const *)&ref_clk_name,
|
|
- .flags = CLK_SET_RATE_PARENT | CLK_SET_RATE_GATE,
|
|
- };
|
|
- struct phy *phy;
|
|
- struct phy_provider *phy_provider;
|
|
- int ret;
|
|
-
|
|
- hdmi_phy = devm_kzalloc(dev, sizeof(*hdmi_phy), GFP_KERNEL);
|
|
- if (!hdmi_phy)
|
|
- return -ENOMEM;
|
|
-
|
|
- mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
|
|
- hdmi_phy->regs = devm_ioremap_resource(dev, mem);
|
|
- if (IS_ERR(hdmi_phy->regs)) {
|
|
- ret = PTR_ERR(hdmi_phy->regs);
|
|
- dev_err(dev, "Failed to get memory resource: %d\n", ret);
|
|
- return ret;
|
|
- }
|
|
-
|
|
- ref_clk = devm_clk_get(dev, "pll_ref");
|
|
- if (IS_ERR(ref_clk)) {
|
|
- ret = PTR_ERR(ref_clk);
|
|
- dev_err(&pdev->dev, "Failed to get PLL reference clock: %d\n",
|
|
- ret);
|
|
- return ret;
|
|
- }
|
|
- ref_clk_name = __clk_get_name(ref_clk);
|
|
-
|
|
- ret = of_property_read_string(dev->of_node, "clock-output-names",
|
|
- &clk_init.name);
|
|
- if (ret < 0) {
|
|
- dev_err(dev, "Failed to read clock-output-names: %d\n", ret);
|
|
- return ret;
|
|
- }
|
|
-
|
|
- hdmi_phy->pll_hw.init = &clk_init;
|
|
- hdmi_phy->pll = devm_clk_register(dev, &hdmi_phy->pll_hw);
|
|
- if (IS_ERR(hdmi_phy->pll)) {
|
|
- ret = PTR_ERR(hdmi_phy->pll);
|
|
- dev_err(dev, "Failed to register PLL: %d\n", ret);
|
|
- return ret;
|
|
- }
|
|
-
|
|
- ret = of_property_read_u32(dev->of_node, "mediatek,ibias",
|
|
- &hdmi_phy->ibias);
|
|
- if (ret < 0) {
|
|
- dev_err(&pdev->dev, "Failed to get ibias: %d\n", ret);
|
|
- return ret;
|
|
- }
|
|
-
|
|
- ret = of_property_read_u32(dev->of_node, "mediatek,ibias_up",
|
|
- &hdmi_phy->ibias_up);
|
|
- if (ret < 0) {
|
|
- dev_err(&pdev->dev, "Failed to get ibias up: %d\n", ret);
|
|
- return ret;
|
|
- }
|
|
-
|
|
- dev_info(dev, "Using default TX DRV impedance: 4.2k/36\n");
|
|
- hdmi_phy->drv_imp_clk = 0x30;
|
|
- hdmi_phy->drv_imp_d2 = 0x30;
|
|
- hdmi_phy->drv_imp_d1 = 0x30;
|
|
- hdmi_phy->drv_imp_d0 = 0x30;
|
|
-
|
|
- phy = devm_phy_create(dev, NULL, &mtk_hdmi_phy_ops);
|
|
- if (IS_ERR(phy)) {
|
|
- dev_err(dev, "Failed to create HDMI PHY\n");
|
|
- return PTR_ERR(phy);
|
|
- }
|
|
- phy_set_drvdata(phy, hdmi_phy);
|
|
-
|
|
- phy_provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate);
|
|
- if (IS_ERR(phy_provider))
|
|
- return PTR_ERR(phy_provider);
|
|
-
|
|
- hdmi_phy->dev = dev;
|
|
- return of_clk_add_provider(dev->of_node, of_clk_src_simple_get,
|
|
- hdmi_phy->pll);
|
|
-}
|
|
-
|
|
-static int mtk_hdmi_phy_remove(struct platform_device *pdev)
|
|
-{
|
|
- return 0;
|
|
-}
|
|
-
|
|
-static const struct of_device_id mtk_hdmi_phy_match[] = {
|
|
- { .compatible = "mediatek,mt8173-hdmi-phy", },
|
|
- {},
|
|
-};
|
|
-
|
|
-struct platform_driver mtk_hdmi_phy_driver = {
|
|
- .probe = mtk_hdmi_phy_probe,
|
|
- .remove = mtk_hdmi_phy_remove,
|
|
- .driver = {
|
|
- .name = "mediatek-hdmi-phy",
|
|
- .of_match_table = mtk_hdmi_phy_match,
|
|
- },
|
|
+struct mtk_hdmi_phy_conf mtk_hdmi_phy_8173_conf = {
|
|
+ .hdmi_phy_clk_ops = &mtk_hdmi_phy_pll_ops,
|
|
+ .hdmi_phy_enable_tmds = mtk_hdmi_phy_enable_tmds,
|
|
+ .hdmi_phy_disable_tmds = mtk_hdmi_phy_disable_tmds,
|
|
};
|
|
|
|
MODULE_AUTHOR("Jie Qiu <jie.qiu@mediatek.com>");
|
|
--
|
|
2.19.1
|
|
|