[RFC,v1,1/3] drm/msm/hdmi: add msm8974 PLL support

Message ID	20230507202841.2339127-2-dmitry.baryshkov@linaro.org
State	New
Headers	show Return-Path: <linux-arm-msm-owner@vger.kernel.org> From: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> To: Andy Gross <agross@kernel.org>, Bjorn Andersson <andersson@kernel.org>, Konrad Dybcio <konrad.dybcio@linaro.org>, Rob Clark <robdclark@gmail.com>, Sean Paul <sean@poorly.run>, Abhinav Kumar <quic_abhinavk@quicinc.com>, Rob Herring <robh+dt@kernel.org>, Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org> Cc: Stephen Boyd <swboyd@chromium.org>, David Airlie <airlied@gmail.com>, Daniel Vetter <daniel@ffwll.ch>, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, Brian Masney <masneyb@onstation.org> Subject: [RFC PATCH v1 1/3] drm/msm/hdmi: add msm8974 PLL support Date: Sun, 7 May 2023 23:28:39 +0300 Message-Id: <20230507202841.2339127-2-dmitry.baryshkov@linaro.org> In-Reply-To: <20230507202841.2339127-1-dmitry.baryshkov@linaro.org> References: <20230507202841.2339127-1-dmitry.baryshkov@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk
Series	[RFC,v1,1/3] drm/msm/hdmi: add msm8974 PLL support \| expand [RFC,v1,1/3] drm/msm/hdmi: add msm8974 PLL support [RFC,v1,3/3] ARM: dts: qcom: apq8074-dragonboard: enable HDMI output

diff --git a/drivers/gpu/drm/msm/Makefile b/drivers/gpu/drm/msm/Makefile index 7274c41228ed..5032794ce4a5 100644 --- a/drivers/gpu/drm/msm/Makefile +++ b/drivers/gpu/drm/msm/Makefile @@ -29,6 +29,7 @@ msm-$(CONFIG_DRM_MSM_HDMI) += \ hdmi/hdmi_phy_8x60.o \ hdmi/hdmi_phy_8x74.o \ hdmi/hdmi_pll_8960.o \ + hdmi/hdmi_pll_8974.o \ msm-$(CONFIG_DRM_MSM_MDP4) += \ disp/mdp4/mdp4_crtc.o \ diff --git a/drivers/gpu/drm/msm/hdmi/hdmi.h b/drivers/gpu/drm/msm/hdmi/hdmi.h index e8dbee50637f..1b4937c6fe94 100644 --- a/drivers/gpu/drm/msm/hdmi/hdmi.h +++ b/drivers/gpu/drm/msm/hdmi/hdmi.h @@ -183,6 +183,7 @@ void __exit msm_hdmi_phy_driver_unregister(void); #ifdef CONFIG_COMMON_CLK int msm_hdmi_pll_8960_init(struct platform_device *pdev); +int msm_hdmi_pll_8974_init(struct platform_device *pdev); int msm_hdmi_pll_8996_init(struct platform_device *pdev); #else static inline int msm_hdmi_pll_8960_init(struct platform_device *pdev) @@ -190,6 +191,11 @@ static inline int msm_hdmi_pll_8960_init(struct platform_device *pdev) return -ENODEV; } +static inline int msm_hdmi_pll_8974_init(struct platform_device *pdev) +{ + return -ENODEV; +} + static inline int msm_hdmi_pll_8996_init(struct platform_device *pdev) { return -ENODEV; diff --git a/drivers/gpu/drm/msm/hdmi/hdmi_phy.c b/drivers/gpu/drm/msm/hdmi/hdmi_phy.c index 9780107e1cc9..92c24d40e84c 100644 --- a/drivers/gpu/drm/msm/hdmi/hdmi_phy.c +++ b/drivers/gpu/drm/msm/hdmi/hdmi_phy.c @@ -114,6 +114,9 @@ static int msm_hdmi_phy_pll_init(struct platform_device *pdev, case MSM_HDMI_PHY_8960: ret = msm_hdmi_pll_8960_init(pdev); break; + case MSM_HDMI_PHY_8x74: + ret = msm_hdmi_pll_8974_init(pdev); + break; case MSM_HDMI_PHY_8996: ret = msm_hdmi_pll_8996_init(pdev); break; @@ -121,7 +124,6 @@ static int msm_hdmi_phy_pll_init(struct platform_device *pdev, * we don't have PLL support for these, don't report an error for now */ case MSM_HDMI_PHY_8x60: - case MSM_HDMI_PHY_8x74: default: ret = 0; break; diff --git a/drivers/gpu/drm/msm/hdmi/hdmi_pll_8974.c b/drivers/gpu/drm/msm/hdmi/hdmi_pll_8974.c new file mode 100644 index 000000000000..4556dbf5ca77 --- /dev/null +++ b/drivers/gpu/drm/msm/hdmi/hdmi_pll_8974.c @@ -0,0 +1,689 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) 2019 Brian Masney <masneyb@onstation.org> + * + * Based on clock-mdss-8974.c in downstream MSM sources. + * Copyright (c) 2012-2013 The Linux Foundation. All rights reserved. + * + * Based on hdmi_pll_8960.c + * Copyright (C) 2013 Red Hat + * Copyright (c) 2016 The Linux Foundation. All rights reserved. + */ + +#include <linux/clk-provider.h> +#include <linux/delay.h> + +#include "hdmi.h" + +/* hdmi phy registers */ +#define HDMI_PHY_ANA_CFG0 0x0000 +#define HDMI_PHY_ANA_CFG1 0x0004 +#define HDMI_PHY_ANA_CFG2 0x0008 +#define HDMI_PHY_ANA_CFG3 0x000c +#define HDMI_PHY_PD_CTRL0 0x0010 +#define HDMI_PHY_PD_CTRL1 0x0014 +#define HDMI_PHY_GLB_CFG 0x0018 +#define HDMI_PHY_DCC_CFG0 0x001c +#define HDMI_PHY_DCC_CFG1 0x0020 +#define HDMI_PHY_TXCAL_CFG0 0x0024 +#define HDMI_PHY_TXCAL_CFG1 0x0028 +#define HDMI_PHY_TXCAL_CFG2 0x002c +#define HDMI_PHY_TXCAL_CFG3 0x0030 +#define HDMI_PHY_BIST_CFG0 0x0034 +#define HDMI_PHY_BIST_CFG1 0x0038 +#define HDMI_PHY_BIST_PATN0 0x003c +#define HDMI_PHY_BIST_PATN1 0x0040 +#define HDMI_PHY_BIST_PATN2 0x0044 +#define HDMI_PHY_BIST_PATN3 0x0048 +#define HDMI_PHY_STATUS 0x005c + +/* hdmi phy unified pll registers */ +#define HDMI_UNI_PLL_REFCLK_CFG 0x0000 +#define HDMI_UNI_PLL_POSTDIV1_CFG 0x0004 +#define HDMI_UNI_PLL_CHFPUMP_CFG 0x0008 +#define HDMI_UNI_PLL_VCOLPF_CFG 0x000c +#define HDMI_UNI_PLL_VREG_CFG 0x0010 +#define HDMI_UNI_PLL_PWRGEN_CFG 0x0014 +#define HDMI_UNI_PLL_GLB_CFG 0x0020 +#define HDMI_UNI_PLL_POSTDIV2_CFG 0x0024 +#define HDMI_UNI_PLL_POSTDIV3_CFG 0x0028 +#define HDMI_UNI_PLL_LPFR_CFG 0x002c +#define HDMI_UNI_PLL_LPFC1_CFG 0x0030 +#define HDMI_UNI_PLL_LPFC2_CFG 0x0034 +#define HDMI_UNI_PLL_SDM_CFG0 0x0038 +#define HDMI_UNI_PLL_SDM_CFG1 0x003c +#define HDMI_UNI_PLL_SDM_CFG2 0x0040 +#define HDMI_UNI_PLL_SDM_CFG3 0x0044 +#define HDMI_UNI_PLL_SDM_CFG4 0x0048 +#define HDMI_UNI_PLL_SSC_CFG0 0x004c +#define HDMI_UNI_PLL_SSC_CFG1 0x0050 +#define HDMI_UNI_PLL_SSC_CFG2 0x0054 +#define HDMI_UNI_PLL_SSC_CFG3 0x0058 +#define HDMI_UNI_PLL_LKDET_CFG0 0x005c +#define HDMI_UNI_PLL_LKDET_CFG1 0x0060 +#define HDMI_UNI_PLL_LKDET_CFG2 0x0064 +#define HDMI_UNI_PLL_CAL_CFG0 0x006c +#define HDMI_UNI_PLL_CAL_CFG1 0x0070 +#define HDMI_UNI_PLL_CAL_CFG2 0x0074 +#define HDMI_UNI_PLL_CAL_CFG3 0x0078 +#define HDMI_UNI_PLL_CAL_CFG4 0x007c +#define HDMI_UNI_PLL_CAL_CFG5 0x0080 +#define HDMI_UNI_PLL_CAL_CFG6 0x0084 +#define HDMI_UNI_PLL_CAL_CFG7 0x0088 +#define HDMI_UNI_PLL_CAL_CFG8 0x008c +#define HDMI_UNI_PLL_CAL_CFG9 0x0090 +#define HDMI_UNI_PLL_CAL_CFG10 0x0094 +#define HDMI_UNI_PLL_CAL_CFG11 0x0098 +#define HDMI_UNI_PLL_STATUS 0x00c0 + +struct msm8974_hdmi { + struct platform_device *pdev; + struct clk_hw clk_hw; + void __iomem *mmio; + unsigned long pixclk; +}; + +#define hw_clk_to_msm8974_hdmi(x) container_of(x, struct msm8974_hdmi, clk_hw) + +struct msm8974_hdmi_reg { + void (*write)(struct msm8974_hdmi *hdmi, u32 reg, u32 data); + u32 val; + u32 reg; +}; + +#define MSM8974_HDMI_NUM_REGS 38 + +struct msm8974_hdmi_rate { + unsigned long rate; + struct msm8974_hdmi_reg regs[MSM8974_HDMI_NUM_REGS]; +}; + +static u32 msm8974_hdmi_pll_read(struct msm8974_hdmi *hdmi, u32 reg) +{ + return msm_readl(hdmi->mmio + reg); +} + +static void msm8974_hdmi_pll_write(struct msm8974_hdmi *hdmi, u32 reg, u32 data) +{ + msm_writel(data, hdmi->mmio + reg); +} + +static u32 msm8974_hdmi_phy_read(struct msm8974_hdmi *hdmi, u32 reg) +{ + struct hdmi_phy *phy = platform_get_drvdata(hdmi->pdev); + + return hdmi_phy_read(phy, reg); +} + +static void msm8974_hdmi_phy_write(struct msm8974_hdmi *hdmi, u32 reg, u32 data) +{ + struct hdmi_phy *phy = platform_get_drvdata(hdmi->pdev); + + hdmi_phy_write(phy, reg, data); +} + +/* NOTE: keep sorted highest to lowest frequencies */ +static const struct msm8974_hdmi_rate msm8974_hdmi_freqtbl[] = { + { 297000000, { + { msm8974_hdmi_phy_write, 0x81, HDMI_PHY_GLB_CFG }, + { msm8974_hdmi_pll_write, 0x01, HDMI_UNI_PLL_GLB_CFG }, + { msm8974_hdmi_pll_write, 0x01, HDMI_UNI_PLL_REFCLK_CFG }, + { msm8974_hdmi_pll_write, 0x19, HDMI_UNI_PLL_VCOLPF_CFG }, + { msm8974_hdmi_pll_write, 0x0e, HDMI_UNI_PLL_LPFR_CFG }, + { msm8974_hdmi_pll_write, 0x20, HDMI_UNI_PLL_LPFC1_CFG }, + { msm8974_hdmi_pll_write, 0x0d, HDMI_UNI_PLL_LPFC2_CFG }, + { msm8974_hdmi_pll_write, 0x00, HDMI_UNI_PLL_SDM_CFG0 }, + { msm8974_hdmi_pll_write, 0x65, HDMI_UNI_PLL_SDM_CFG1 }, + { msm8974_hdmi_pll_write, 0x00, HDMI_UNI_PLL_SDM_CFG2 }, + { msm8974_hdmi_pll_write, 0xac, HDMI_UNI_PLL_SDM_CFG3 }, + { msm8974_hdmi_pll_write, 0x00, HDMI_UNI_PLL_SDM_CFG4 }, + { msm8974_hdmi_pll_write, 0x10, HDMI_UNI_PLL_LKDET_CFG0 }, + { msm8974_hdmi_pll_write, 0x1a, HDMI_UNI_PLL_LKDET_CFG1 }, + { msm8974_hdmi_pll_write, 0x05, HDMI_UNI_PLL_LKDET_CFG2 }, + { msm8974_hdmi_pll_write, 0x00, HDMI_UNI_PLL_POSTDIV1_CFG }, + { msm8974_hdmi_pll_write, 0x00, HDMI_UNI_PLL_POSTDIV2_CFG }, + { msm8974_hdmi_pll_write, 0x00, HDMI_UNI_PLL_POSTDIV3_CFG }, + { msm8974_hdmi_pll_write, 0x01, HDMI_UNI_PLL_CAL_CFG2 }, + { msm8974_hdmi_pll_write, 0x60, HDMI_UNI_PLL_CAL_CFG8 }, + { msm8974_hdmi_pll_write, 0x00, HDMI_UNI_PLL_CAL_CFG9 }, + { msm8974_hdmi_pll_write, 0xcd, HDMI_UNI_PLL_CAL_CFG10 }, + { msm8974_hdmi_pll_write, 0x05, HDMI_UNI_PLL_CAL_CFG11 }, + { msm8974_hdmi_phy_write, 0x1f, HDMI_PHY_PD_CTRL0 }, + { msm8974_hdmi_pll_write, 0x0f, HDMI_UNI_PLL_GLB_CFG }, + { msm8974_hdmi_phy_write, 0x00, HDMI_PHY_PD_CTRL1 }, + { msm8974_hdmi_phy_write, 0x10, HDMI_PHY_ANA_CFG2 }, + { msm8974_hdmi_phy_write, 0xdb, HDMI_PHY_ANA_CFG0 }, + { msm8974_hdmi_phy_write, 0x43, HDMI_PHY_ANA_CFG1 }, + { msm8974_hdmi_phy_write, 0x06, HDMI_PHY_ANA_CFG2 }, + { msm8974_hdmi_phy_write, 0x03, HDMI_PHY_ANA_CFG3 }, + { msm8974_hdmi_pll_write, 0x04, HDMI_UNI_PLL_VREG_CFG }, + { msm8974_hdmi_phy_write, 0xd0, HDMI_PHY_DCC_CFG0 }, + { msm8974_hdmi_phy_write, 0x1a, HDMI_PHY_DCC_CFG1 }, + { msm8974_hdmi_phy_write, 0x00, HDMI_PHY_TXCAL_CFG0 }, + { msm8974_hdmi_phy_write, 0x00, HDMI_PHY_TXCAL_CFG1 }, + { msm8974_hdmi_phy_write, 0x02, HDMI_PHY_TXCAL_CFG2 }, + { msm8974_hdmi_phy_write, 0x05, HDMI_PHY_TXCAL_CFG3 } + } + }, + + { 268500000, { + { msm8974_hdmi_phy_write, 0x81, HDMI_PHY_GLB_CFG }, + { msm8974_hdmi_pll_write, 0x01, HDMI_UNI_PLL_GLB_CFG }, + { msm8974_hdmi_pll_write, 0x01, HDMI_UNI_PLL_REFCLK_CFG }, + { msm8974_hdmi_pll_write, 0x19, HDMI_UNI_PLL_VCOLPF_CFG }, + { msm8974_hdmi_pll_write, 0x0e, HDMI_UNI_PLL_LPFR_CFG }, + { msm8974_hdmi_pll_write, 0x20, HDMI_UNI_PLL_LPFC1_CFG }, + { msm8974_hdmi_pll_write, 0x0d, HDMI_UNI_PLL_LPFC2_CFG }, + { msm8974_hdmi_pll_write, 0x36, HDMI_UNI_PLL_SDM_CFG0 }, + { msm8974_hdmi_pll_write, 0x61, HDMI_UNI_PLL_SDM_CFG1 }, + { msm8974_hdmi_pll_write, 0x01, HDMI_UNI_PLL_SDM_CFG2 }, + { msm8974_hdmi_pll_write, 0xf6, HDMI_UNI_PLL_SDM_CFG3 }, + { msm8974_hdmi_pll_write, 0x00, HDMI_UNI_PLL_SDM_CFG4 }, + { msm8974_hdmi_pll_write, 0x10, HDMI_UNI_PLL_LKDET_CFG0 }, + { msm8974_hdmi_pll_write, 0x1a, HDMI_UNI_PLL_LKDET_CFG1 }, + { msm8974_hdmi_pll_write, 0x05, HDMI_UNI_PLL_LKDET_CFG2 }, + { msm8974_hdmi_pll_write, 0x00, HDMI_UNI_PLL_POSTDIV1_CFG }, + { msm8974_hdmi_pll_write, 0x00, HDMI_UNI_PLL_POSTDIV2_CFG }, + { msm8974_hdmi_pll_write, 0x00, HDMI_UNI_PLL_POSTDIV3_CFG }, + { msm8974_hdmi_pll_write, 0x01, HDMI_UNI_PLL_CAL_CFG2 }, + { msm8974_hdmi_pll_write, 0x60, HDMI_UNI_PLL_CAL_CFG8 }, + { msm8974_hdmi_pll_write, 0x00, HDMI_UNI_PLL_CAL_CFG9 }, + { msm8974_hdmi_pll_write, 0x3e, HDMI_UNI_PLL_CAL_CFG10 }, + { msm8974_hdmi_pll_write, 0x05, HDMI_UNI_PLL_CAL_CFG11 }, + { msm8974_hdmi_phy_write, 0x1f, HDMI_PHY_PD_CTRL0 }, + { msm8974_hdmi_pll_write, 0x0f, HDMI_UNI_PLL_GLB_CFG }, + { msm8974_hdmi_phy_write, 0x00, HDMI_PHY_PD_CTRL1 }, + { msm8974_hdmi_phy_write, 0x10, HDMI_PHY_ANA_CFG2 }, + { msm8974_hdmi_phy_write, 0xdb, HDMI_PHY_ANA_CFG0 }, + { msm8974_hdmi_phy_write, 0x43, HDMI_PHY_ANA_CFG1 }, + { msm8974_hdmi_phy_write, 0x05, HDMI_PHY_ANA_CFG2 }, + { msm8974_hdmi_phy_write, 0x00, HDMI_PHY_ANA_CFG3 }, + { msm8974_hdmi_pll_write, 0x04, HDMI_UNI_PLL_VREG_CFG }, + { msm8974_hdmi_phy_write, 0xd0, HDMI_PHY_DCC_CFG0 }, + { msm8974_hdmi_phy_write, 0x1a, HDMI_PHY_DCC_CFG1 }, + { msm8974_hdmi_phy_write, 0x00, HDMI_PHY_TXCAL_CFG0 }, + { msm8974_hdmi_phy_write, 0x00, HDMI_PHY_TXCAL_CFG1 }, + { msm8974_hdmi_phy_write, 0x11, HDMI_PHY_TXCAL_CFG2 }, + { msm8974_hdmi_phy_write, 0x05, HDMI_PHY_TXCAL_CFG3 } + } + }, + + { 148500000, { + { msm8974_hdmi_phy_write, 0x81, HDMI_PHY_GLB_CFG }, + { msm8974_hdmi_pll_write, 0x01, HDMI_UNI_PLL_GLB_CFG }, + { msm8974_hdmi_pll_write, 0x01, HDMI_UNI_PLL_REFCLK_CFG }, + { msm8974_hdmi_pll_write, 0x19, HDMI_UNI_PLL_VCOLPF_CFG }, + { msm8974_hdmi_pll_write, 0x0e, HDMI_UNI_PLL_LPFR_CFG }, + { msm8974_hdmi_pll_write, 0x20, HDMI_UNI_PLL_LPFC1_CFG }, + { msm8974_hdmi_pll_write, 0x0d, HDMI_UNI_PLL_LPFC2_CFG }, + { msm8974_hdmi_pll_write, 0x00, HDMI_UNI_PLL_SDM_CFG0 }, + { msm8974_hdmi_pll_write, 0x52, HDMI_UNI_PLL_SDM_CFG1 }, + { msm8974_hdmi_pll_write, 0x00, HDMI_UNI_PLL_SDM_CFG2 }, + { msm8974_hdmi_pll_write, 0x56, HDMI_UNI_PLL_SDM_CFG3 }, + { msm8974_hdmi_pll_write, 0x00, HDMI_UNI_PLL_SDM_CFG4 }, + { msm8974_hdmi_pll_write, 0x10, HDMI_UNI_PLL_LKDET_CFG0 }, + { msm8974_hdmi_pll_write, 0x1a, HDMI_UNI_PLL_LKDET_CFG1 }, + { msm8974_hdmi_pll_write, 0x05, HDMI_UNI_PLL_LKDET_CFG2 }, + { msm8974_hdmi_pll_write, 0x00, HDMI_UNI_PLL_POSTDIV1_CFG }, + { msm8974_hdmi_pll_write, 0x00, HDMI_UNI_PLL_POSTDIV2_CFG }, + { msm8974_hdmi_pll_write, 0x00, HDMI_UNI_PLL_POSTDIV3_CFG }, + { msm8974_hdmi_pll_write, 0x01, HDMI_UNI_PLL_CAL_CFG2 }, + { msm8974_hdmi_pll_write, 0x60, HDMI_UNI_PLL_CAL_CFG8 }, + { msm8974_hdmi_pll_write, 0x00, HDMI_UNI_PLL_CAL_CFG9 }, + { msm8974_hdmi_pll_write, 0xe6, HDMI_UNI_PLL_CAL_CFG10 }, + { msm8974_hdmi_pll_write, 0x02, HDMI_UNI_PLL_CAL_CFG11 }, + { msm8974_hdmi_phy_write, 0x1f, HDMI_PHY_PD_CTRL0 }, + { msm8974_hdmi_pll_write, 0x0f, HDMI_UNI_PLL_GLB_CFG }, + { msm8974_hdmi_phy_write, 0x00, HDMI_PHY_PD_CTRL1 }, + { msm8974_hdmi_phy_write, 0x10, HDMI_PHY_ANA_CFG2 }, + { msm8974_hdmi_phy_write, 0xdb, HDMI_PHY_ANA_CFG0 }, + { msm8974_hdmi_phy_write, 0x43, HDMI_PHY_ANA_CFG1 }, + { msm8974_hdmi_phy_write, 0x02, HDMI_PHY_ANA_CFG2 }, + { msm8974_hdmi_phy_write, 0x00, HDMI_PHY_ANA_CFG3 }, + { msm8974_hdmi_pll_write, 0x04, HDMI_UNI_PLL_VREG_CFG }, + { msm8974_hdmi_phy_write, 0xd0, HDMI_PHY_DCC_CFG0 }, + { msm8974_hdmi_phy_write, 0x1a, HDMI_PHY_DCC_CFG1 }, + { msm8974_hdmi_phy_write, 0x00, HDMI_PHY_TXCAL_CFG0 }, + { msm8974_hdmi_phy_write, 0x00, HDMI_PHY_TXCAL_CFG1 }, + { msm8974_hdmi_phy_write, 0x02, HDMI_PHY_TXCAL_CFG2 }, + { msm8974_hdmi_phy_write, 0x05, HDMI_PHY_TXCAL_CFG3 } + } + }, + + { 108000000, { + { msm8974_hdmi_phy_write, 0x81, HDMI_PHY_GLB_CFG }, + { msm8974_hdmi_pll_write, 0x01, HDMI_UNI_PLL_GLB_CFG }, + { msm8974_hdmi_pll_write, 0x01, HDMI_UNI_PLL_REFCLK_CFG }, + { msm8974_hdmi_pll_write, 0x19, HDMI_UNI_PLL_VCOLPF_CFG }, + { msm8974_hdmi_pll_write, 0x0e, HDMI_UNI_PLL_LPFR_CFG }, + { msm8974_hdmi_pll_write, 0x20, HDMI_UNI_PLL_LPFC1_CFG }, + { msm8974_hdmi_pll_write, 0x0d, HDMI_UNI_PLL_LPFC2_CFG }, + { msm8974_hdmi_pll_write, 0x00, HDMI_UNI_PLL_SDM_CFG0 }, + { msm8974_hdmi_pll_write, 0x5B, HDMI_UNI_PLL_SDM_CFG1 }, + { msm8974_hdmi_pll_write, 0x00, HDMI_UNI_PLL_SDM_CFG2 }, + { msm8974_hdmi_pll_write, 0x20, HDMI_UNI_PLL_SDM_CFG3 }, + { msm8974_hdmi_pll_write, 0x00, HDMI_UNI_PLL_SDM_CFG4 }, + { msm8974_hdmi_pll_write, 0x10, HDMI_UNI_PLL_LKDET_CFG0 }, + { msm8974_hdmi_pll_write, 0x1a, HDMI_UNI_PLL_LKDET_CFG1 }, + { msm8974_hdmi_pll_write, 0x05, HDMI_UNI_PLL_LKDET_CFG2 }, + { msm8974_hdmi_pll_write, 0x01, HDMI_UNI_PLL_POSTDIV1_CFG }, + { msm8974_hdmi_pll_write, 0x00, HDMI_UNI_PLL_POSTDIV2_CFG }, + { msm8974_hdmi_pll_write, 0x00, HDMI_UNI_PLL_POSTDIV3_CFG }, + { msm8974_hdmi_pll_write, 0x01, HDMI_UNI_PLL_CAL_CFG2 }, + { msm8974_hdmi_pll_write, 0x60, HDMI_UNI_PLL_CAL_CFG8 }, + { msm8974_hdmi_pll_write, 0x00, HDMI_UNI_PLL_CAL_CFG9 }, + { msm8974_hdmi_pll_write, 0x38, HDMI_UNI_PLL_CAL_CFG10 }, + { msm8974_hdmi_pll_write, 0x04, HDMI_UNI_PLL_CAL_CFG11 }, + { msm8974_hdmi_phy_write, 0x1f, HDMI_PHY_PD_CTRL0 }, + { msm8974_hdmi_pll_write, 0x0f, HDMI_UNI_PLL_GLB_CFG }, + { msm8974_hdmi_phy_write, 0x00, HDMI_PHY_PD_CTRL1 }, + { msm8974_hdmi_phy_write, 0x10, HDMI_PHY_ANA_CFG2 }, + { msm8974_hdmi_phy_write, 0xdb, HDMI_PHY_ANA_CFG0 }, + { msm8974_hdmi_phy_write, 0x43, HDMI_PHY_ANA_CFG1 }, + { msm8974_hdmi_phy_write, 0x02, HDMI_PHY_ANA_CFG2 }, + { msm8974_hdmi_phy_write, 0x00, HDMI_PHY_ANA_CFG3 }, + { msm8974_hdmi_pll_write, 0x04, HDMI_UNI_PLL_VREG_CFG }, + { msm8974_hdmi_phy_write, 0xd0, HDMI_PHY_DCC_CFG0 }, + { msm8974_hdmi_phy_write, 0x1a, HDMI_PHY_DCC_CFG1 }, + { msm8974_hdmi_phy_write, 0x00, HDMI_PHY_TXCAL_CFG0 }, + { msm8974_hdmi_phy_write, 0x00, HDMI_PHY_TXCAL_CFG1 }, + { msm8974_hdmi_phy_write, 0x02, HDMI_PHY_TXCAL_CFG2 }, + { msm8974_hdmi_phy_write, 0x05, HDMI_PHY_TXCAL_CFG3 } + } + }, + + /* 720p60/720p50/1080i60/1080i50, 1080p24/1080p30/1080p25 case */ + { 74250000, { + { msm8974_hdmi_phy_write, 0x81, HDMI_PHY_GLB_CFG }, + { msm8974_hdmi_pll_write, 0x01, HDMI_UNI_PLL_GLB_CFG }, + { msm8974_hdmi_pll_write, 0x01, HDMI_UNI_PLL_REFCLK_CFG }, + { msm8974_hdmi_pll_write, 0x19, HDMI_UNI_PLL_VCOLPF_CFG }, + { msm8974_hdmi_pll_write, 0x0e, HDMI_UNI_PLL_LPFR_CFG }, + { msm8974_hdmi_pll_write, 0x20, HDMI_UNI_PLL_LPFC1_CFG }, + { msm8974_hdmi_pll_write, 0x0d, HDMI_UNI_PLL_LPFC2_CFG }, + { msm8974_hdmi_pll_write, 0x00, HDMI_UNI_PLL_SDM_CFG0 }, + { msm8974_hdmi_pll_write, 0x52, HDMI_UNI_PLL_SDM_CFG1 }, + { msm8974_hdmi_pll_write, 0x00, HDMI_UNI_PLL_SDM_CFG2 }, + { msm8974_hdmi_pll_write, 0x56, HDMI_UNI_PLL_SDM_CFG3 }, + { msm8974_hdmi_pll_write, 0x00, HDMI_UNI_PLL_SDM_CFG4 }, + { msm8974_hdmi_pll_write, 0x10, HDMI_UNI_PLL_LKDET_CFG0 }, + { msm8974_hdmi_pll_write, 0x1a, HDMI_UNI_PLL_LKDET_CFG1 }, + { msm8974_hdmi_pll_write, 0x05, HDMI_UNI_PLL_LKDET_CFG2 }, + { msm8974_hdmi_pll_write, 0x01, HDMI_UNI_PLL_POSTDIV1_CFG }, + { msm8974_hdmi_pll_write, 0x00, HDMI_UNI_PLL_POSTDIV2_CFG }, + { msm8974_hdmi_pll_write, 0x00, HDMI_UNI_PLL_POSTDIV3_CFG }, + { msm8974_hdmi_pll_write, 0x01, HDMI_UNI_PLL_CAL_CFG2 }, + { msm8974_hdmi_pll_write, 0x60, HDMI_UNI_PLL_CAL_CFG8 }, + { msm8974_hdmi_pll_write, 0x00, HDMI_UNI_PLL_CAL_CFG9 }, + { msm8974_hdmi_pll_write, 0xe6, HDMI_UNI_PLL_CAL_CFG10 }, + { msm8974_hdmi_pll_write, 0x02, HDMI_UNI_PLL_CAL_CFG11 }, + { msm8974_hdmi_phy_write, 0x1f, HDMI_PHY_PD_CTRL0 }, + { msm8974_hdmi_pll_write, 0x0f, HDMI_UNI_PLL_GLB_CFG }, + { msm8974_hdmi_phy_write, 0x00, HDMI_PHY_PD_CTRL1 }, + { msm8974_hdmi_phy_write, 0x10, HDMI_PHY_ANA_CFG2 }, + { msm8974_hdmi_phy_write, 0xdb, HDMI_PHY_ANA_CFG0 }, + { msm8974_hdmi_phy_write, 0x43, HDMI_PHY_ANA_CFG1 }, + { msm8974_hdmi_phy_write, 0x02, HDMI_PHY_ANA_CFG2 }, + { msm8974_hdmi_phy_write, 0x00, HDMI_PHY_ANA_CFG3 }, + { msm8974_hdmi_pll_write, 0x04, HDMI_UNI_PLL_VREG_CFG }, + { msm8974_hdmi_phy_write, 0xd0, HDMI_PHY_DCC_CFG0 }, + { msm8974_hdmi_phy_write, 0x1a, HDMI_PHY_DCC_CFG1 }, + { msm8974_hdmi_phy_write, 0x00, HDMI_PHY_TXCAL_CFG0 }, + { msm8974_hdmi_phy_write, 0x00, HDMI_PHY_TXCAL_CFG1 }, + { msm8974_hdmi_phy_write, 0x02, HDMI_PHY_TXCAL_CFG2 }, + { msm8974_hdmi_phy_write, 0x05, HDMI_PHY_TXCAL_CFG3 } + } + }, + + { 65000000, { + { msm8974_hdmi_phy_write, 0x81, HDMI_PHY_GLB_CFG }, + { msm8974_hdmi_pll_write, 0x01, HDMI_UNI_PLL_GLB_CFG }, + { msm8974_hdmi_pll_write, 0x01, HDMI_UNI_PLL_REFCLK_CFG }, + { msm8974_hdmi_pll_write, 0x19, HDMI_UNI_PLL_VCOLPF_CFG }, + { msm8974_hdmi_pll_write, 0x0e, HDMI_UNI_PLL_LPFR_CFG }, + { msm8974_hdmi_pll_write, 0x20, HDMI_UNI_PLL_LPFC1_CFG }, + { msm8974_hdmi_pll_write, 0x0d, HDMI_UNI_PLL_LPFC2_CFG }, + { msm8974_hdmi_pll_write, 0x00, HDMI_UNI_PLL_SDM_CFG0 }, + { msm8974_hdmi_pll_write, 0x4f, HDMI_UNI_PLL_SDM_CFG1 }, + { msm8974_hdmi_pll_write, 0x55, HDMI_UNI_PLL_SDM_CFG2 }, + { msm8974_hdmi_pll_write, 0xed, HDMI_UNI_PLL_SDM_CFG3 }, + { msm8974_hdmi_pll_write, 0x00, HDMI_UNI_PLL_SDM_CFG4 }, + { msm8974_hdmi_pll_write, 0x10, HDMI_UNI_PLL_LKDET_CFG0 }, + { msm8974_hdmi_pll_write, 0x1a, HDMI_UNI_PLL_LKDET_CFG1 }, + { msm8974_hdmi_pll_write, 0x05, HDMI_UNI_PLL_LKDET_CFG2 }, + { msm8974_hdmi_pll_write, 0x01, HDMI_UNI_PLL_POSTDIV1_CFG }, + { msm8974_hdmi_pll_write, 0x00, HDMI_UNI_PLL_POSTDIV2_CFG }, + { msm8974_hdmi_pll_write, 0x00, HDMI_UNI_PLL_POSTDIV3_CFG }, + { msm8974_hdmi_pll_write, 0x01, HDMI_UNI_PLL_CAL_CFG2 }, + { msm8974_hdmi_pll_write, 0x60, HDMI_UNI_PLL_CAL_CFG8 }, + { msm8974_hdmi_pll_write, 0x00, HDMI_UNI_PLL_CAL_CFG9 }, + { msm8974_hdmi_pll_write, 0x8A, HDMI_UNI_PLL_CAL_CFG10 }, + { msm8974_hdmi_pll_write, 0x02, HDMI_UNI_PLL_CAL_CFG11 }, + { msm8974_hdmi_phy_write, 0x1f, HDMI_PHY_PD_CTRL0 }, + { msm8974_hdmi_pll_write, 0x0f, HDMI_UNI_PLL_GLB_CFG }, + { msm8974_hdmi_phy_write, 0x00, HDMI_PHY_PD_CTRL1 }, + { msm8974_hdmi_phy_write, 0x10, HDMI_PHY_ANA_CFG2 }, + { msm8974_hdmi_phy_write, 0xdb, HDMI_PHY_ANA_CFG0 }, + { msm8974_hdmi_phy_write, 0x43, HDMI_PHY_ANA_CFG1 }, + { msm8974_hdmi_phy_write, 0x02, HDMI_PHY_ANA_CFG2 }, + { msm8974_hdmi_phy_write, 0x00, HDMI_PHY_ANA_CFG3 }, + { msm8974_hdmi_pll_write, 0x04, HDMI_UNI_PLL_VREG_CFG }, + { msm8974_hdmi_phy_write, 0xd0, HDMI_PHY_DCC_CFG0 }, + { msm8974_hdmi_phy_write, 0x1a, HDMI_PHY_DCC_CFG1 }, + { msm8974_hdmi_phy_write, 0x00, HDMI_PHY_TXCAL_CFG0 }, + { msm8974_hdmi_phy_write, 0x00, HDMI_PHY_TXCAL_CFG1 }, + { msm8974_hdmi_phy_write, 0x02, HDMI_PHY_TXCAL_CFG2 }, + { msm8974_hdmi_phy_write, 0x05, HDMI_PHY_TXCAL_CFG3 } + } + }, + + /* 480p60/480i60 case */ + { 27030000, { + { msm8974_hdmi_phy_write, 0x81, HDMI_PHY_GLB_CFG }, + { msm8974_hdmi_pll_write, 0x01, HDMI_UNI_PLL_GLB_CFG }, + { msm8974_hdmi_pll_write, 0x01, HDMI_UNI_PLL_REFCLK_CFG }, + { msm8974_hdmi_pll_write, 0x19, HDMI_UNI_PLL_VCOLPF_CFG }, + { msm8974_hdmi_pll_write, 0x0e, HDMI_UNI_PLL_LPFR_CFG }, + { msm8974_hdmi_pll_write, 0x20, HDMI_UNI_PLL_LPFC1_CFG }, + { msm8974_hdmi_pll_write, 0x0d, HDMI_UNI_PLL_LPFC2_CFG }, + { msm8974_hdmi_pll_write, 0x00, HDMI_UNI_PLL_SDM_CFG0 }, + { msm8974_hdmi_pll_write, 0x54, HDMI_UNI_PLL_SDM_CFG1 }, + { msm8974_hdmi_pll_write, 0x66, HDMI_UNI_PLL_SDM_CFG2 }, + { msm8974_hdmi_pll_write, 0x1d, HDMI_UNI_PLL_SDM_CFG3 }, + { msm8974_hdmi_pll_write, 0x00, HDMI_UNI_PLL_SDM_CFG4 }, + { msm8974_hdmi_pll_write, 0x10, HDMI_UNI_PLL_LKDET_CFG0 }, + { msm8974_hdmi_pll_write, 0x1a, HDMI_UNI_PLL_LKDET_CFG1 }, + { msm8974_hdmi_pll_write, 0x05, HDMI_UNI_PLL_LKDET_CFG2 }, + { msm8974_hdmi_pll_write, 0x03, HDMI_UNI_PLL_POSTDIV1_CFG }, + { msm8974_hdmi_pll_write, 0x00, HDMI_UNI_PLL_POSTDIV2_CFG }, + { msm8974_hdmi_pll_write, 0x00, HDMI_UNI_PLL_POSTDIV3_CFG }, + { msm8974_hdmi_pll_write, 0x01, HDMI_UNI_PLL_CAL_CFG2 }, + { msm8974_hdmi_pll_write, 0x60, HDMI_UNI_PLL_CAL_CFG8 }, + { msm8974_hdmi_pll_write, 0x00, HDMI_UNI_PLL_CAL_CFG9 }, + { msm8974_hdmi_pll_write, 0x2a, HDMI_UNI_PLL_CAL_CFG10 }, + { msm8974_hdmi_pll_write, 0x03, HDMI_UNI_PLL_CAL_CFG11 }, + { msm8974_hdmi_phy_write, 0x1f, HDMI_PHY_PD_CTRL0 }, + { msm8974_hdmi_pll_write, 0x0f, HDMI_UNI_PLL_GLB_CFG }, + { msm8974_hdmi_phy_write, 0x00, HDMI_PHY_PD_CTRL1 }, + { msm8974_hdmi_phy_write, 0x10, HDMI_PHY_ANA_CFG2 }, + { msm8974_hdmi_phy_write, 0xdb, HDMI_PHY_ANA_CFG0 }, + { msm8974_hdmi_phy_write, 0x43, HDMI_PHY_ANA_CFG1 }, + { msm8974_hdmi_phy_write, 0x02, HDMI_PHY_ANA_CFG2 }, + { msm8974_hdmi_phy_write, 0x00, HDMI_PHY_ANA_CFG3 }, + { msm8974_hdmi_pll_write, 0x04, HDMI_UNI_PLL_VREG_CFG }, + { msm8974_hdmi_phy_write, 0xd0, HDMI_PHY_DCC_CFG0 }, + { msm8974_hdmi_phy_write, 0x1a, HDMI_PHY_DCC_CFG1 }, + { msm8974_hdmi_phy_write, 0x00, HDMI_PHY_TXCAL_CFG0 }, + { msm8974_hdmi_phy_write, 0x00, HDMI_PHY_TXCAL_CFG1 }, + { msm8974_hdmi_phy_write, 0x02, HDMI_PHY_TXCAL_CFG2 }, + { msm8974_hdmi_phy_write, 0x05, HDMI_PHY_TXCAL_CFG3 } + } + }, + + /* 576p50/576i50 case */ + { 27000000, { + { msm8974_hdmi_phy_write, 0x81, HDMI_PHY_GLB_CFG }, + { msm8974_hdmi_pll_write, 0x01, HDMI_UNI_PLL_GLB_CFG }, + { msm8974_hdmi_pll_write, 0x01, HDMI_UNI_PLL_REFCLK_CFG }, + { msm8974_hdmi_pll_write, 0x19, HDMI_UNI_PLL_VCOLPF_CFG }, + { msm8974_hdmi_pll_write, 0x0e, HDMI_UNI_PLL_LPFR_CFG }, + { msm8974_hdmi_pll_write, 0x20, HDMI_UNI_PLL_LPFC1_CFG }, + { msm8974_hdmi_pll_write, 0x0d, HDMI_UNI_PLL_LPFC2_CFG }, + { msm8974_hdmi_pll_write, 0x00, HDMI_UNI_PLL_SDM_CFG0 }, + { msm8974_hdmi_pll_write, 0x54, HDMI_UNI_PLL_SDM_CFG1 }, + { msm8974_hdmi_pll_write, 0x00, HDMI_UNI_PLL_SDM_CFG2 }, + { msm8974_hdmi_pll_write, 0x18, HDMI_UNI_PLL_SDM_CFG3 }, + { msm8974_hdmi_pll_write, 0x00, HDMI_UNI_PLL_SDM_CFG4 }, + { msm8974_hdmi_pll_write, 0x10, HDMI_UNI_PLL_LKDET_CFG0 }, + { msm8974_hdmi_pll_write, 0x1a, HDMI_UNI_PLL_LKDET_CFG1 }, + { msm8974_hdmi_pll_write, 0x05, HDMI_UNI_PLL_LKDET_CFG2 }, + { msm8974_hdmi_pll_write, 0x03, HDMI_UNI_PLL_POSTDIV1_CFG }, + { msm8974_hdmi_pll_write, 0x00, HDMI_UNI_PLL_POSTDIV2_CFG }, + { msm8974_hdmi_pll_write, 0x00, HDMI_UNI_PLL_POSTDIV3_CFG }, + { msm8974_hdmi_pll_write, 0x01, HDMI_UNI_PLL_CAL_CFG2 }, + { msm8974_hdmi_pll_write, 0x60, HDMI_UNI_PLL_CAL_CFG8 }, + { msm8974_hdmi_pll_write, 0x00, HDMI_UNI_PLL_CAL_CFG9 }, + { msm8974_hdmi_pll_write, 0x2a, HDMI_UNI_PLL_CAL_CFG10 }, + { msm8974_hdmi_pll_write, 0x03, HDMI_UNI_PLL_CAL_CFG11 }, + { msm8974_hdmi_phy_write, 0x1f, HDMI_PHY_PD_CTRL0 }, + { msm8974_hdmi_pll_write, 0x0f, HDMI_UNI_PLL_GLB_CFG }, + { msm8974_hdmi_phy_write, 0x00, HDMI_PHY_PD_CTRL1 }, + { msm8974_hdmi_phy_write, 0x10, HDMI_PHY_ANA_CFG2 }, + { msm8974_hdmi_phy_write, 0xdb, HDMI_PHY_ANA_CFG0 }, + { msm8974_hdmi_phy_write, 0x43, HDMI_PHY_ANA_CFG1 }, + { msm8974_hdmi_phy_write, 0x02, HDMI_PHY_ANA_CFG2 }, + { msm8974_hdmi_phy_write, 0x00, HDMI_PHY_ANA_CFG3 }, + { msm8974_hdmi_pll_write, 0x04, HDMI_UNI_PLL_VREG_CFG }, + { msm8974_hdmi_phy_write, 0xd0, HDMI_PHY_DCC_CFG0 }, + { msm8974_hdmi_phy_write, 0x1a, HDMI_PHY_DCC_CFG1 }, + { msm8974_hdmi_phy_write, 0x00, HDMI_PHY_TXCAL_CFG0 }, + { msm8974_hdmi_phy_write, 0x00, HDMI_PHY_TXCAL_CFG1 }, + { msm8974_hdmi_phy_write, 0x02, HDMI_PHY_TXCAL_CFG2 }, + { msm8974_hdmi_phy_write, 0x05, HDMI_PHY_TXCAL_CFG3 } + } + }, + + /* 640x480p60 */ + { 25200000, { + { msm8974_hdmi_phy_write, 0x81, HDMI_PHY_GLB_CFG }, + { msm8974_hdmi_pll_write, 0x01, HDMI_UNI_PLL_GLB_CFG }, + { msm8974_hdmi_pll_write, 0x01, HDMI_UNI_PLL_REFCLK_CFG }, + { msm8974_hdmi_pll_write, 0x19, HDMI_UNI_PLL_VCOLPF_CFG }, + { msm8974_hdmi_pll_write, 0x0e, HDMI_UNI_PLL_LPFR_CFG }, + { msm8974_hdmi_pll_write, 0x20, HDMI_UNI_PLL_LPFC1_CFG }, + { msm8974_hdmi_pll_write, 0x0d, HDMI_UNI_PLL_LPFC2_CFG }, + { msm8974_hdmi_pll_write, 0x00, HDMI_UNI_PLL_SDM_CFG0 }, + { msm8974_hdmi_pll_write, 0x52, HDMI_UNI_PLL_SDM_CFG1 }, + { msm8974_hdmi_pll_write, 0x00, HDMI_UNI_PLL_SDM_CFG2 }, + { msm8974_hdmi_pll_write, 0xb0, HDMI_UNI_PLL_SDM_CFG3 }, + { msm8974_hdmi_pll_write, 0x00, HDMI_UNI_PLL_SDM_CFG4 }, + { msm8974_hdmi_pll_write, 0x10, HDMI_UNI_PLL_LKDET_CFG0 }, + { msm8974_hdmi_pll_write, 0x1a, HDMI_UNI_PLL_LKDET_CFG1 }, + { msm8974_hdmi_pll_write, 0x05, HDMI_UNI_PLL_LKDET_CFG2 }, + { msm8974_hdmi_pll_write, 0x03, HDMI_UNI_PLL_POSTDIV1_CFG }, + { msm8974_hdmi_pll_write, 0x00, HDMI_UNI_PLL_POSTDIV2_CFG }, + { msm8974_hdmi_pll_write, 0x00, HDMI_UNI_PLL_POSTDIV3_CFG }, + { msm8974_hdmi_pll_write, 0x01, HDMI_UNI_PLL_CAL_CFG2 }, + { msm8974_hdmi_pll_write, 0x60, HDMI_UNI_PLL_CAL_CFG8 }, + { msm8974_hdmi_pll_write, 0x00, HDMI_UNI_PLL_CAL_CFG9 }, + { msm8974_hdmi_pll_write, 0xf4, HDMI_UNI_PLL_CAL_CFG10 }, + { msm8974_hdmi_pll_write, 0x02, HDMI_UNI_PLL_CAL_CFG11 }, + { msm8974_hdmi_phy_write, 0x1f, HDMI_PHY_PD_CTRL0 }, + { msm8974_hdmi_pll_write, 0x0f, HDMI_UNI_PLL_GLB_CFG }, + { msm8974_hdmi_phy_write, 0x00, HDMI_PHY_PD_CTRL1 }, + { msm8974_hdmi_phy_write, 0x10, HDMI_PHY_ANA_CFG2 }, + { msm8974_hdmi_phy_write, 0xdb, HDMI_PHY_ANA_CFG0 }, + { msm8974_hdmi_phy_write, 0x43, HDMI_PHY_ANA_CFG1 }, + { msm8974_hdmi_phy_write, 0x02, HDMI_PHY_ANA_CFG2 }, + { msm8974_hdmi_phy_write, 0x00, HDMI_PHY_ANA_CFG3 }, + { msm8974_hdmi_pll_write, 0x04, HDMI_UNI_PLL_VREG_CFG }, + { msm8974_hdmi_phy_write, 0xd0, HDMI_PHY_DCC_CFG0 }, + { msm8974_hdmi_phy_write, 0x1a, HDMI_PHY_DCC_CFG1 }, + { msm8974_hdmi_phy_write, 0x00, HDMI_PHY_TXCAL_CFG0 }, + { msm8974_hdmi_phy_write, 0x00, HDMI_PHY_TXCAL_CFG1 }, + { msm8974_hdmi_phy_write, 0x02, HDMI_PHY_TXCAL_CFG2 }, + { msm8974_hdmi_phy_write, 0x05, HDMI_PHY_TXCAL_CFG3 } + } + } +}; + +static void msm8974_hdmi_disable(struct clk_hw *hw) +{ + struct msm8974_hdmi *hdmi = hw_clk_to_msm8974_hdmi(hw); + + msm8974_hdmi_pll_write(hdmi, HDMI_UNI_PLL_GLB_CFG, 0); + udelay(5); + msm8974_hdmi_phy_write(hdmi, HDMI_PHY_GLB_CFG, 0); +} + +static int msm8974_hdmi_wait_for_ready(struct msm8974_hdmi *hdmi, + u32 (*read)(struct msm8974_hdmi *hdmi, + u32 reg), + u32 reg) +{ + int retry; + u32 val; + + for (retry = 20; retry > 0; retry--) { + val = read(hdmi, reg); + if (val & BIT(0)) + return 0; + + udelay(100); + } + + return -EINVAL; +} + +static int msm8974_hdmi_enable(struct clk_hw *hw) +{ + struct msm8974_hdmi *hdmi = hw_clk_to_msm8974_hdmi(hw); + int ret; + + /* Global enable */ + msm8974_hdmi_phy_write(hdmi, HDMI_PHY_GLB_CFG, 0x81); + + /* Power up power gen */ + msm8974_hdmi_phy_write(hdmi, HDMI_PHY_PD_CTRL0, 0x00); + udelay(350); + + /* PLL power up */ + msm8974_hdmi_pll_write(hdmi, HDMI_UNI_PLL_GLB_CFG, 0x01); + udelay(5); + + /* Power up PLL LDO */ + msm8974_hdmi_pll_write(hdmi, HDMI_UNI_PLL_GLB_CFG, 0x03); + udelay(350); + + /* PLL power up */ + msm8974_hdmi_pll_write(hdmi, HDMI_UNI_PLL_GLB_CFG, 0x0f); + udelay(350); + + /* Poll for PLL ready status */ + ret = msm8974_hdmi_wait_for_ready(hdmi, msm8974_hdmi_pll_read, + HDMI_UNI_PLL_STATUS); + if (ret) + goto error; + + udelay(350); + + /* Poll for PHY ready status */ + ret = msm8974_hdmi_wait_for_ready(hdmi, msm8974_hdmi_phy_read, + HDMI_PHY_STATUS); + if (ret) + goto error; + + return 0; + +error: + msm8974_hdmi_disable(hw); + return ret; +} + +static const struct msm8974_hdmi_rate *msm8974_hdmi_find_rate(unsigned long rt) +{ + int i; + + for (i = 1; i < ARRAY_SIZE(msm8974_hdmi_freqtbl); i++) { + if (rt > msm8974_hdmi_freqtbl[i].rate) + return &msm8974_hdmi_freqtbl[i - 1]; + } + + return &msm8974_hdmi_freqtbl[i - 1]; +} + +static unsigned long msm8974_hdmi_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + return hw_clk_to_msm8974_hdmi(hw)->pixclk; +} + +static long msm8974_hdmi_round_rate(struct clk_hw *hw, unsigned long rate, + unsigned long *parent_rate) +{ + return msm8974_hdmi_find_rate(rate)->rate; +} + +static int msm8974_hdmi_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) +{ + struct msm8974_hdmi *hdmi = hw_clk_to_msm8974_hdmi(hw); + const struct msm8974_hdmi_rate *rateinfo = msm8974_hdmi_find_rate(rate); + int i; + + for (i = 0; i < MSM8974_HDMI_NUM_REGS; i++) { + struct msm8974_hdmi_reg reginfo = rateinfo->regs[i]; + + reginfo.write(hdmi, reginfo.reg, reginfo.val); + + if (reginfo.reg == HDMI_PHY_PD_CTRL0) + udelay(50); + else if (reginfo.reg == HDMI_PHY_TXCAL_CFG3) + udelay(200); + } + + hdmi->pixclk = rate; + + return 0; +} + +static const struct clk_ops msm8974_hdmi_ops = { + .enable = msm8974_hdmi_enable, + .disable = msm8974_hdmi_disable, + .recalc_rate = msm8974_hdmi_recalc_rate, + .round_rate = msm8974_hdmi_round_rate, + .set_rate = msm8974_hdmi_set_rate, +}; + +static const char * const msm8974_hdmi_pll_parents[] = { + "pxo", +}; + +static struct clk_init_data msm8974_hdmi_pll_init = { + .name = "hdmi_pll", + .ops = &msm8974_hdmi_ops, + .parent_names = msm8974_hdmi_pll_parents, + .num_parents = ARRAY_SIZE(msm8974_hdmi_pll_parents), + .flags = CLK_IGNORE_UNUSED, +}; + +int msm_hdmi_pll_8974_init(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct msm8974_hdmi *hdmi; + int i, ret; + + /* sanity check */ + for (i = 0; i < (ARRAY_SIZE(msm8974_hdmi_freqtbl) - 1); i++) { + if (WARN_ON(msm8974_hdmi_freqtbl[i].rate < + msm8974_hdmi_freqtbl[i + 1].rate)) + return -EINVAL; + } + + hdmi = devm_kzalloc(dev, sizeof(*hdmi), GFP_KERNEL); + if (!hdmi) + return -ENOMEM; + + hdmi->mmio = msm_ioremap(pdev, "hdmi_pll"); + if (IS_ERR(hdmi->mmio)) { + DRM_DEV_ERROR(dev, "failed to map pll base\n"); + return -ENOMEM; + } + + hdmi->pdev = pdev; + hdmi->clk_hw.init = &msm8974_hdmi_pll_init; + + ret = devm_clk_hw_register(dev, &hdmi->clk_hw); + if (ret < 0) { + DRM_DEV_ERROR(dev, "failed to register pll clock\n"); + return ret; + } + + ret = devm_of_clk_add_hw_provider(dev, of_clk_hw_simple_get, &hdmi->clk_hw); + if (ret) { + DRM_DEV_ERROR(dev, "%s: failed to register clk provider: %d\n", __func__, ret); + return ret; + } + + return 0; +}

[RFC,v1,1/3] drm/msm/hdmi: add msm8974 PLL support

Commit Message

Patch