689 lines
18 KiB
C
689 lines
18 KiB
C
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// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Copyright (c) 2014, Fuzhou Rockchip Electronics Co., Ltd
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*/
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#include <linux/clk.h>
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#include <linux/mfd/syscon.h>
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#include <linux/module.h>
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#include <linux/platform_device.h>
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#include <linux/phy/phy.h>
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#include <linux/regmap.h>
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#include <linux/regulator/consumer.h>
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#include <drm/bridge/dw_hdmi.h>
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#include <drm/drm_edid.h>
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#include <drm/drm_of.h>
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#include <drm/drm_probe_helper.h>
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#include <drm/drm_simple_kms_helper.h>
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#include "rockchip_drm_drv.h"
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#include "rockchip_drm_vop.h"
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#define RK3228_GRF_SOC_CON2 0x0408
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#define RK3228_HDMI_SDAIN_MSK BIT(14)
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#define RK3228_HDMI_SCLIN_MSK BIT(13)
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#define RK3228_GRF_SOC_CON6 0x0418
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#define RK3228_HDMI_HPD_VSEL BIT(6)
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#define RK3228_HDMI_SDA_VSEL BIT(5)
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#define RK3228_HDMI_SCL_VSEL BIT(4)
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#define RK3288_GRF_SOC_CON6 0x025C
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#define RK3288_HDMI_LCDC_SEL BIT(4)
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#define RK3328_GRF_SOC_CON2 0x0408
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#define RK3328_HDMI_SDAIN_MSK BIT(11)
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#define RK3328_HDMI_SCLIN_MSK BIT(10)
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#define RK3328_HDMI_HPD_IOE BIT(2)
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#define RK3328_GRF_SOC_CON3 0x040c
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/* need to be unset if hdmi or i2c should control voltage */
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#define RK3328_HDMI_SDA5V_GRF BIT(15)
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#define RK3328_HDMI_SCL5V_GRF BIT(14)
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#define RK3328_HDMI_HPD5V_GRF BIT(13)
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#define RK3328_HDMI_CEC5V_GRF BIT(12)
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#define RK3328_GRF_SOC_CON4 0x0410
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#define RK3328_HDMI_HPD_SARADC BIT(13)
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#define RK3328_HDMI_CEC_5V BIT(11)
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#define RK3328_HDMI_SDA_5V BIT(10)
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#define RK3328_HDMI_SCL_5V BIT(9)
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#define RK3328_HDMI_HPD_5V BIT(8)
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#define RK3399_GRF_SOC_CON20 0x6250
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#define RK3399_HDMI_LCDC_SEL BIT(6)
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#define RK3568_GRF_VO_CON1 0x0364
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#define RK3568_HDMI_SDAIN_MSK BIT(15)
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#define RK3568_HDMI_SCLIN_MSK BIT(14)
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#define HIWORD_UPDATE(val, mask) (val | (mask) << 16)
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/**
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* struct rockchip_hdmi_chip_data - splite the grf setting of kind of chips
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* @lcdsel_grf_reg: grf register offset of lcdc select
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* @lcdsel_big: reg value of selecting vop big for HDMI
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* @lcdsel_lit: reg value of selecting vop little for HDMI
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*/
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struct rockchip_hdmi_chip_data {
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int lcdsel_grf_reg;
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u32 lcdsel_big;
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u32 lcdsel_lit;
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};
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struct rockchip_hdmi {
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struct device *dev;
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struct regmap *regmap;
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struct rockchip_encoder encoder;
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const struct rockchip_hdmi_chip_data *chip_data;
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struct clk *ref_clk;
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struct clk *grf_clk;
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struct dw_hdmi *hdmi;
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struct regulator *avdd_0v9;
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struct regulator *avdd_1v8;
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struct phy *phy;
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};
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static struct rockchip_hdmi *to_rockchip_hdmi(struct drm_encoder *encoder)
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{
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struct rockchip_encoder *rkencoder = to_rockchip_encoder(encoder);
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return container_of(rkencoder, struct rockchip_hdmi, encoder);
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}
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static const struct dw_hdmi_mpll_config rockchip_mpll_cfg[] = {
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{
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27000000, {
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{ 0x00b3, 0x0000},
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{ 0x2153, 0x0000},
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{ 0x40f3, 0x0000}
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},
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}, {
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36000000, {
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{ 0x00b3, 0x0000},
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{ 0x2153, 0x0000},
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{ 0x40f3, 0x0000}
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},
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}, {
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40000000, {
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{ 0x00b3, 0x0000},
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{ 0x2153, 0x0000},
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{ 0x40f3, 0x0000}
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},
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}, {
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54000000, {
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{ 0x0072, 0x0001},
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{ 0x2142, 0x0001},
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{ 0x40a2, 0x0001},
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},
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}, {
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65000000, {
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{ 0x0072, 0x0001},
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{ 0x2142, 0x0001},
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{ 0x40a2, 0x0001},
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},
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}, {
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66000000, {
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{ 0x013e, 0x0003},
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{ 0x217e, 0x0002},
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{ 0x4061, 0x0002}
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},
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}, {
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74250000, {
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{ 0x0072, 0x0001},
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{ 0x2145, 0x0002},
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{ 0x4061, 0x0002}
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},
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}, {
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83500000, {
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{ 0x0072, 0x0001},
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},
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}, {
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108000000, {
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{ 0x0051, 0x0002},
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{ 0x2145, 0x0002},
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{ 0x4061, 0x0002}
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},
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}, {
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106500000, {
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{ 0x0051, 0x0002},
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{ 0x2145, 0x0002},
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{ 0x4061, 0x0002}
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},
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}, {
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146250000, {
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{ 0x0051, 0x0002},
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{ 0x2145, 0x0002},
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{ 0x4061, 0x0002}
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},
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}, {
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148500000, {
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{ 0x0051, 0x0003},
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{ 0x214c, 0x0003},
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{ 0x4064, 0x0003}
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},
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}, {
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~0UL, {
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{ 0x00a0, 0x000a },
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{ 0x2001, 0x000f },
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{ 0x4002, 0x000f },
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},
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}
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};
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static const struct dw_hdmi_curr_ctrl rockchip_cur_ctr[] = {
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/* pixelclk bpp8 bpp10 bpp12 */
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{
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40000000, { 0x0018, 0x0018, 0x0018 },
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}, {
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65000000, { 0x0028, 0x0028, 0x0028 },
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}, {
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66000000, { 0x0038, 0x0038, 0x0038 },
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}, {
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74250000, { 0x0028, 0x0038, 0x0038 },
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}, {
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83500000, { 0x0028, 0x0038, 0x0038 },
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}, {
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146250000, { 0x0038, 0x0038, 0x0038 },
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}, {
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148500000, { 0x0000, 0x0038, 0x0038 },
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}, {
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~0UL, { 0x0000, 0x0000, 0x0000},
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}
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};
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static const struct dw_hdmi_phy_config rockchip_phy_config[] = {
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/*pixelclk symbol term vlev*/
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{ 74250000, 0x8009, 0x0004, 0x0272},
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{ 148500000, 0x802b, 0x0004, 0x028d},
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{ 297000000, 0x8039, 0x0005, 0x028d},
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{ ~0UL, 0x0000, 0x0000, 0x0000}
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};
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static int rockchip_hdmi_parse_dt(struct rockchip_hdmi *hdmi)
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{
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struct device_node *np = hdmi->dev->of_node;
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hdmi->regmap = syscon_regmap_lookup_by_phandle(np, "rockchip,grf");
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if (IS_ERR(hdmi->regmap)) {
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DRM_DEV_ERROR(hdmi->dev, "Unable to get rockchip,grf\n");
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return PTR_ERR(hdmi->regmap);
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}
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hdmi->ref_clk = devm_clk_get_optional(hdmi->dev, "ref");
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if (!hdmi->ref_clk)
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hdmi->ref_clk = devm_clk_get_optional(hdmi->dev, "vpll");
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if (PTR_ERR(hdmi->ref_clk) == -EPROBE_DEFER) {
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return -EPROBE_DEFER;
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} else if (IS_ERR(hdmi->ref_clk)) {
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DRM_DEV_ERROR(hdmi->dev, "failed to get reference clock\n");
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return PTR_ERR(hdmi->ref_clk);
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}
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hdmi->grf_clk = devm_clk_get(hdmi->dev, "grf");
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if (PTR_ERR(hdmi->grf_clk) == -ENOENT) {
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hdmi->grf_clk = NULL;
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} else if (PTR_ERR(hdmi->grf_clk) == -EPROBE_DEFER) {
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return -EPROBE_DEFER;
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} else if (IS_ERR(hdmi->grf_clk)) {
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DRM_DEV_ERROR(hdmi->dev, "failed to get grf clock\n");
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return PTR_ERR(hdmi->grf_clk);
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}
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hdmi->avdd_0v9 = devm_regulator_get(hdmi->dev, "avdd-0v9");
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if (IS_ERR(hdmi->avdd_0v9))
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return PTR_ERR(hdmi->avdd_0v9);
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hdmi->avdd_1v8 = devm_regulator_get(hdmi->dev, "avdd-1v8");
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if (IS_ERR(hdmi->avdd_1v8))
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return PTR_ERR(hdmi->avdd_1v8);
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return 0;
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}
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static enum drm_mode_status
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dw_hdmi_rockchip_mode_valid(struct dw_hdmi *hdmi, void *data,
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const struct drm_display_info *info,
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const struct drm_display_mode *mode)
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{
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const struct dw_hdmi_mpll_config *mpll_cfg = rockchip_mpll_cfg;
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int pclk = mode->clock * 1000;
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bool valid = false;
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int i;
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for (i = 0; mpll_cfg[i].mpixelclock != (~0UL); i++) {
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if (pclk == mpll_cfg[i].mpixelclock) {
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valid = true;
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break;
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}
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}
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return (valid) ? MODE_OK : MODE_BAD;
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}
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static void dw_hdmi_rockchip_encoder_disable(struct drm_encoder *encoder)
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{
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}
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static bool
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dw_hdmi_rockchip_encoder_mode_fixup(struct drm_encoder *encoder,
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const struct drm_display_mode *mode,
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struct drm_display_mode *adj_mode)
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{
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return true;
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}
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static void dw_hdmi_rockchip_encoder_mode_set(struct drm_encoder *encoder,
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struct drm_display_mode *mode,
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struct drm_display_mode *adj_mode)
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{
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struct rockchip_hdmi *hdmi = to_rockchip_hdmi(encoder);
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clk_set_rate(hdmi->ref_clk, adj_mode->clock * 1000);
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}
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static void dw_hdmi_rockchip_encoder_enable(struct drm_encoder *encoder)
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{
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struct rockchip_hdmi *hdmi = to_rockchip_hdmi(encoder);
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u32 val;
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int ret;
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if (hdmi->chip_data->lcdsel_grf_reg < 0)
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return;
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ret = drm_of_encoder_active_endpoint_id(hdmi->dev->of_node, encoder);
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if (ret)
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val = hdmi->chip_data->lcdsel_lit;
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else
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val = hdmi->chip_data->lcdsel_big;
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ret = clk_prepare_enable(hdmi->grf_clk);
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if (ret < 0) {
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DRM_DEV_ERROR(hdmi->dev, "failed to enable grfclk %d\n", ret);
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return;
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}
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ret = regmap_write(hdmi->regmap, hdmi->chip_data->lcdsel_grf_reg, val);
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if (ret != 0)
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DRM_DEV_ERROR(hdmi->dev, "Could not write to GRF: %d\n", ret);
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clk_disable_unprepare(hdmi->grf_clk);
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DRM_DEV_DEBUG(hdmi->dev, "vop %s output to hdmi\n",
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ret ? "LIT" : "BIG");
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}
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static int
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dw_hdmi_rockchip_encoder_atomic_check(struct drm_encoder *encoder,
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struct drm_crtc_state *crtc_state,
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struct drm_connector_state *conn_state)
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{
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struct rockchip_crtc_state *s = to_rockchip_crtc_state(crtc_state);
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s->output_mode = ROCKCHIP_OUT_MODE_AAAA;
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s->output_type = DRM_MODE_CONNECTOR_HDMIA;
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return 0;
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}
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static const struct drm_encoder_helper_funcs dw_hdmi_rockchip_encoder_helper_funcs = {
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.mode_fixup = dw_hdmi_rockchip_encoder_mode_fixup,
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.mode_set = dw_hdmi_rockchip_encoder_mode_set,
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.enable = dw_hdmi_rockchip_encoder_enable,
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.disable = dw_hdmi_rockchip_encoder_disable,
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.atomic_check = dw_hdmi_rockchip_encoder_atomic_check,
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};
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static int dw_hdmi_rockchip_genphy_init(struct dw_hdmi *dw_hdmi, void *data,
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const struct drm_display_info *display,
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const struct drm_display_mode *mode)
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{
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struct rockchip_hdmi *hdmi = (struct rockchip_hdmi *)data;
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return phy_power_on(hdmi->phy);
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}
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static void dw_hdmi_rockchip_genphy_disable(struct dw_hdmi *dw_hdmi, void *data)
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{
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struct rockchip_hdmi *hdmi = (struct rockchip_hdmi *)data;
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phy_power_off(hdmi->phy);
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||
|
|
}
|
||
|
|
|
||
|
|
static void dw_hdmi_rk3228_setup_hpd(struct dw_hdmi *dw_hdmi, void *data)
|
||
|
|
{
|
||
|
|
struct rockchip_hdmi *hdmi = (struct rockchip_hdmi *)data;
|
||
|
|
|
||
|
|
dw_hdmi_phy_setup_hpd(dw_hdmi, data);
|
||
|
|
|
||
|
|
regmap_write(hdmi->regmap,
|
||
|
|
RK3228_GRF_SOC_CON6,
|
||
|
|
HIWORD_UPDATE(RK3228_HDMI_HPD_VSEL | RK3228_HDMI_SDA_VSEL |
|
||
|
|
RK3228_HDMI_SCL_VSEL,
|
||
|
|
RK3228_HDMI_HPD_VSEL | RK3228_HDMI_SDA_VSEL |
|
||
|
|
RK3228_HDMI_SCL_VSEL));
|
||
|
|
|
||
|
|
regmap_write(hdmi->regmap,
|
||
|
|
RK3228_GRF_SOC_CON2,
|
||
|
|
HIWORD_UPDATE(RK3228_HDMI_SDAIN_MSK | RK3228_HDMI_SCLIN_MSK,
|
||
|
|
RK3228_HDMI_SDAIN_MSK | RK3228_HDMI_SCLIN_MSK));
|
||
|
|
}
|
||
|
|
|
||
|
|
static enum drm_connector_status
|
||
|
|
dw_hdmi_rk3328_read_hpd(struct dw_hdmi *dw_hdmi, void *data)
|
||
|
|
{
|
||
|
|
struct rockchip_hdmi *hdmi = (struct rockchip_hdmi *)data;
|
||
|
|
enum drm_connector_status status;
|
||
|
|
|
||
|
|
status = dw_hdmi_phy_read_hpd(dw_hdmi, data);
|
||
|
|
|
||
|
|
if (status == connector_status_connected)
|
||
|
|
regmap_write(hdmi->regmap,
|
||
|
|
RK3328_GRF_SOC_CON4,
|
||
|
|
HIWORD_UPDATE(RK3328_HDMI_SDA_5V | RK3328_HDMI_SCL_5V,
|
||
|
|
RK3328_HDMI_SDA_5V | RK3328_HDMI_SCL_5V));
|
||
|
|
else
|
||
|
|
regmap_write(hdmi->regmap,
|
||
|
|
RK3328_GRF_SOC_CON4,
|
||
|
|
HIWORD_UPDATE(0, RK3328_HDMI_SDA_5V |
|
||
|
|
RK3328_HDMI_SCL_5V));
|
||
|
|
return status;
|
||
|
|
}
|
||
|
|
|
||
|
|
static void dw_hdmi_rk3328_setup_hpd(struct dw_hdmi *dw_hdmi, void *data)
|
||
|
|
{
|
||
|
|
struct rockchip_hdmi *hdmi = (struct rockchip_hdmi *)data;
|
||
|
|
|
||
|
|
dw_hdmi_phy_setup_hpd(dw_hdmi, data);
|
||
|
|
|
||
|
|
/* Enable and map pins to 3V grf-controlled io-voltage */
|
||
|
|
regmap_write(hdmi->regmap,
|
||
|
|
RK3328_GRF_SOC_CON4,
|
||
|
|
HIWORD_UPDATE(0, RK3328_HDMI_HPD_SARADC | RK3328_HDMI_CEC_5V |
|
||
|
|
RK3328_HDMI_SDA_5V | RK3328_HDMI_SCL_5V |
|
||
|
|
RK3328_HDMI_HPD_5V));
|
||
|
|
regmap_write(hdmi->regmap,
|
||
|
|
RK3328_GRF_SOC_CON3,
|
||
|
|
HIWORD_UPDATE(0, RK3328_HDMI_SDA5V_GRF | RK3328_HDMI_SCL5V_GRF |
|
||
|
|
RK3328_HDMI_HPD5V_GRF |
|
||
|
|
RK3328_HDMI_CEC5V_GRF));
|
||
|
|
regmap_write(hdmi->regmap,
|
||
|
|
RK3328_GRF_SOC_CON2,
|
||
|
|
HIWORD_UPDATE(RK3328_HDMI_SDAIN_MSK | RK3328_HDMI_SCLIN_MSK,
|
||
|
|
RK3328_HDMI_SDAIN_MSK | RK3328_HDMI_SCLIN_MSK |
|
||
|
|
RK3328_HDMI_HPD_IOE));
|
||
|
|
}
|
||
|
|
|
||
|
|
static const struct dw_hdmi_phy_ops rk3228_hdmi_phy_ops = {
|
||
|
|
.init = dw_hdmi_rockchip_genphy_init,
|
||
|
|
.disable = dw_hdmi_rockchip_genphy_disable,
|
||
|
|
.read_hpd = dw_hdmi_phy_read_hpd,
|
||
|
|
.update_hpd = dw_hdmi_phy_update_hpd,
|
||
|
|
.setup_hpd = dw_hdmi_rk3228_setup_hpd,
|
||
|
|
};
|
||
|
|
|
||
|
|
static struct rockchip_hdmi_chip_data rk3228_chip_data = {
|
||
|
|
.lcdsel_grf_reg = -1,
|
||
|
|
};
|
||
|
|
|
||
|
|
static const struct dw_hdmi_plat_data rk3228_hdmi_drv_data = {
|
||
|
|
.mode_valid = dw_hdmi_rockchip_mode_valid,
|
||
|
|
.mpll_cfg = rockchip_mpll_cfg,
|
||
|
|
.cur_ctr = rockchip_cur_ctr,
|
||
|
|
.phy_config = rockchip_phy_config,
|
||
|
|
.phy_data = &rk3228_chip_data,
|
||
|
|
.phy_ops = &rk3228_hdmi_phy_ops,
|
||
|
|
.phy_name = "inno_dw_hdmi_phy2",
|
||
|
|
.phy_force_vendor = true,
|
||
|
|
};
|
||
|
|
|
||
|
|
static struct rockchip_hdmi_chip_data rk3288_chip_data = {
|
||
|
|
.lcdsel_grf_reg = RK3288_GRF_SOC_CON6,
|
||
|
|
.lcdsel_big = HIWORD_UPDATE(0, RK3288_HDMI_LCDC_SEL),
|
||
|
|
.lcdsel_lit = HIWORD_UPDATE(RK3288_HDMI_LCDC_SEL, RK3288_HDMI_LCDC_SEL),
|
||
|
|
};
|
||
|
|
|
||
|
|
static const struct dw_hdmi_plat_data rk3288_hdmi_drv_data = {
|
||
|
|
.mode_valid = dw_hdmi_rockchip_mode_valid,
|
||
|
|
.mpll_cfg = rockchip_mpll_cfg,
|
||
|
|
.cur_ctr = rockchip_cur_ctr,
|
||
|
|
.phy_config = rockchip_phy_config,
|
||
|
|
.phy_data = &rk3288_chip_data,
|
||
|
|
};
|
||
|
|
|
||
|
|
static const struct dw_hdmi_phy_ops rk3328_hdmi_phy_ops = {
|
||
|
|
.init = dw_hdmi_rockchip_genphy_init,
|
||
|
|
.disable = dw_hdmi_rockchip_genphy_disable,
|
||
|
|
.read_hpd = dw_hdmi_rk3328_read_hpd,
|
||
|
|
.update_hpd = dw_hdmi_phy_update_hpd,
|
||
|
|
.setup_hpd = dw_hdmi_rk3328_setup_hpd,
|
||
|
|
};
|
||
|
|
|
||
|
|
static struct rockchip_hdmi_chip_data rk3328_chip_data = {
|
||
|
|
.lcdsel_grf_reg = -1,
|
||
|
|
};
|
||
|
|
|
||
|
|
static const struct dw_hdmi_plat_data rk3328_hdmi_drv_data = {
|
||
|
|
.mode_valid = dw_hdmi_rockchip_mode_valid,
|
||
|
|
.mpll_cfg = rockchip_mpll_cfg,
|
||
|
|
.cur_ctr = rockchip_cur_ctr,
|
||
|
|
.phy_config = rockchip_phy_config,
|
||
|
|
.phy_data = &rk3328_chip_data,
|
||
|
|
.phy_ops = &rk3328_hdmi_phy_ops,
|
||
|
|
.phy_name = "inno_dw_hdmi_phy2",
|
||
|
|
.phy_force_vendor = true,
|
||
|
|
.use_drm_infoframe = true,
|
||
|
|
};
|
||
|
|
|
||
|
|
static struct rockchip_hdmi_chip_data rk3399_chip_data = {
|
||
|
|
.lcdsel_grf_reg = RK3399_GRF_SOC_CON20,
|
||
|
|
.lcdsel_big = HIWORD_UPDATE(0, RK3399_HDMI_LCDC_SEL),
|
||
|
|
.lcdsel_lit = HIWORD_UPDATE(RK3399_HDMI_LCDC_SEL, RK3399_HDMI_LCDC_SEL),
|
||
|
|
};
|
||
|
|
|
||
|
|
static const struct dw_hdmi_plat_data rk3399_hdmi_drv_data = {
|
||
|
|
.mode_valid = dw_hdmi_rockchip_mode_valid,
|
||
|
|
.mpll_cfg = rockchip_mpll_cfg,
|
||
|
|
.cur_ctr = rockchip_cur_ctr,
|
||
|
|
.phy_config = rockchip_phy_config,
|
||
|
|
.phy_data = &rk3399_chip_data,
|
||
|
|
.use_drm_infoframe = true,
|
||
|
|
};
|
||
|
|
|
||
|
|
static struct rockchip_hdmi_chip_data rk3568_chip_data = {
|
||
|
|
.lcdsel_grf_reg = -1,
|
||
|
|
};
|
||
|
|
|
||
|
|
static const struct dw_hdmi_plat_data rk3568_hdmi_drv_data = {
|
||
|
|
.mode_valid = dw_hdmi_rockchip_mode_valid,
|
||
|
|
.mpll_cfg = rockchip_mpll_cfg,
|
||
|
|
.cur_ctr = rockchip_cur_ctr,
|
||
|
|
.phy_config = rockchip_phy_config,
|
||
|
|
.phy_data = &rk3568_chip_data,
|
||
|
|
.use_drm_infoframe = true,
|
||
|
|
};
|
||
|
|
|
||
|
|
static const struct of_device_id dw_hdmi_rockchip_dt_ids[] = {
|
||
|
|
{ .compatible = "rockchip,rk3228-dw-hdmi",
|
||
|
|
.data = &rk3228_hdmi_drv_data
|
||
|
|
},
|
||
|
|
{ .compatible = "rockchip,rk3288-dw-hdmi",
|
||
|
|
.data = &rk3288_hdmi_drv_data
|
||
|
|
},
|
||
|
|
{ .compatible = "rockchip,rk3328-dw-hdmi",
|
||
|
|
.data = &rk3328_hdmi_drv_data
|
||
|
|
},
|
||
|
|
{ .compatible = "rockchip,rk3399-dw-hdmi",
|
||
|
|
.data = &rk3399_hdmi_drv_data
|
||
|
|
},
|
||
|
|
{ .compatible = "rockchip,rk3568-dw-hdmi",
|
||
|
|
.data = &rk3568_hdmi_drv_data
|
||
|
|
},
|
||
|
|
{},
|
||
|
|
};
|
||
|
|
MODULE_DEVICE_TABLE(of, dw_hdmi_rockchip_dt_ids);
|
||
|
|
|
||
|
|
static int dw_hdmi_rockchip_bind(struct device *dev, struct device *master,
|
||
|
|
void *data)
|
||
|
|
{
|
||
|
|
struct platform_device *pdev = to_platform_device(dev);
|
||
|
|
struct dw_hdmi_plat_data *plat_data;
|
||
|
|
const struct of_device_id *match;
|
||
|
|
struct drm_device *drm = data;
|
||
|
|
struct drm_encoder *encoder;
|
||
|
|
struct rockchip_hdmi *hdmi;
|
||
|
|
int ret;
|
||
|
|
|
||
|
|
if (!pdev->dev.of_node)
|
||
|
|
return -ENODEV;
|
||
|
|
|
||
|
|
hdmi = devm_kzalloc(&pdev->dev, sizeof(*hdmi), GFP_KERNEL);
|
||
|
|
if (!hdmi)
|
||
|
|
return -ENOMEM;
|
||
|
|
|
||
|
|
match = of_match_node(dw_hdmi_rockchip_dt_ids, pdev->dev.of_node);
|
||
|
|
plat_data = devm_kmemdup(&pdev->dev, match->data,
|
||
|
|
sizeof(*plat_data), GFP_KERNEL);
|
||
|
|
if (!plat_data)
|
||
|
|
return -ENOMEM;
|
||
|
|
|
||
|
|
hdmi->dev = &pdev->dev;
|
||
|
|
hdmi->chip_data = plat_data->phy_data;
|
||
|
|
plat_data->phy_data = hdmi;
|
||
|
|
encoder = &hdmi->encoder.encoder;
|
||
|
|
|
||
|
|
encoder->possible_crtcs = drm_of_find_possible_crtcs(drm, dev->of_node);
|
||
|
|
rockchip_drm_encoder_set_crtc_endpoint_id(&hdmi->encoder,
|
||
|
|
dev->of_node, 0, 0);
|
||
|
|
|
||
|
|
/*
|
||
|
|
* If we failed to find the CRTC(s) which this encoder is
|
||
|
|
* supposed to be connected to, it's because the CRTC has
|
||
|
|
* not been registered yet. Defer probing, and hope that
|
||
|
|
* the required CRTC is added later.
|
||
|
|
*/
|
||
|
|
if (encoder->possible_crtcs == 0)
|
||
|
|
return -EPROBE_DEFER;
|
||
|
|
|
||
|
|
ret = rockchip_hdmi_parse_dt(hdmi);
|
||
|
|
if (ret) {
|
||
|
|
if (ret != -EPROBE_DEFER)
|
||
|
|
DRM_DEV_ERROR(hdmi->dev, "Unable to parse OF data\n");
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
hdmi->phy = devm_phy_optional_get(dev, "hdmi");
|
||
|
|
if (IS_ERR(hdmi->phy)) {
|
||
|
|
ret = PTR_ERR(hdmi->phy);
|
||
|
|
if (ret != -EPROBE_DEFER)
|
||
|
|
DRM_DEV_ERROR(hdmi->dev, "failed to get phy\n");
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
ret = regulator_enable(hdmi->avdd_0v9);
|
||
|
|
if (ret) {
|
||
|
|
DRM_DEV_ERROR(hdmi->dev, "failed to enable avdd0v9: %d\n", ret);
|
||
|
|
goto err_avdd_0v9;
|
||
|
|
}
|
||
|
|
|
||
|
|
ret = regulator_enable(hdmi->avdd_1v8);
|
||
|
|
if (ret) {
|
||
|
|
DRM_DEV_ERROR(hdmi->dev, "failed to enable avdd1v8: %d\n", ret);
|
||
|
|
goto err_avdd_1v8;
|
||
|
|
}
|
||
|
|
|
||
|
|
ret = clk_prepare_enable(hdmi->ref_clk);
|
||
|
|
if (ret) {
|
||
|
|
DRM_DEV_ERROR(hdmi->dev, "Failed to enable HDMI reference clock: %d\n",
|
||
|
|
ret);
|
||
|
|
goto err_clk;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (hdmi->chip_data == &rk3568_chip_data) {
|
||
|
|
regmap_write(hdmi->regmap, RK3568_GRF_VO_CON1,
|
||
|
|
HIWORD_UPDATE(RK3568_HDMI_SDAIN_MSK |
|
||
|
|
RK3568_HDMI_SCLIN_MSK,
|
||
|
|
RK3568_HDMI_SDAIN_MSK |
|
||
|
|
RK3568_HDMI_SCLIN_MSK));
|
||
|
|
}
|
||
|
|
|
||
|
|
drm_encoder_helper_add(encoder, &dw_hdmi_rockchip_encoder_helper_funcs);
|
||
|
|
drm_simple_encoder_init(drm, encoder, DRM_MODE_ENCODER_TMDS);
|
||
|
|
|
||
|
|
platform_set_drvdata(pdev, hdmi);
|
||
|
|
|
||
|
|
hdmi->hdmi = dw_hdmi_bind(pdev, encoder, plat_data);
|
||
|
|
|
||
|
|
/*
|
||
|
|
* If dw_hdmi_bind() fails we'll never call dw_hdmi_unbind(),
|
||
|
|
* which would have called the encoder cleanup. Do it manually.
|
||
|
|
*/
|
||
|
|
if (IS_ERR(hdmi->hdmi)) {
|
||
|
|
ret = PTR_ERR(hdmi->hdmi);
|
||
|
|
goto err_bind;
|
||
|
|
}
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
|
||
|
|
err_bind:
|
||
|
|
drm_encoder_cleanup(encoder);
|
||
|
|
clk_disable_unprepare(hdmi->ref_clk);
|
||
|
|
err_clk:
|
||
|
|
regulator_disable(hdmi->avdd_1v8);
|
||
|
|
err_avdd_1v8:
|
||
|
|
regulator_disable(hdmi->avdd_0v9);
|
||
|
|
err_avdd_0v9:
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
static void dw_hdmi_rockchip_unbind(struct device *dev, struct device *master,
|
||
|
|
void *data)
|
||
|
|
{
|
||
|
|
struct rockchip_hdmi *hdmi = dev_get_drvdata(dev);
|
||
|
|
|
||
|
|
dw_hdmi_unbind(hdmi->hdmi);
|
||
|
|
drm_encoder_cleanup(&hdmi->encoder.encoder);
|
||
|
|
clk_disable_unprepare(hdmi->ref_clk);
|
||
|
|
|
||
|
|
regulator_disable(hdmi->avdd_1v8);
|
||
|
|
regulator_disable(hdmi->avdd_0v9);
|
||
|
|
}
|
||
|
|
|
||
|
|
static const struct component_ops dw_hdmi_rockchip_ops = {
|
||
|
|
.bind = dw_hdmi_rockchip_bind,
|
||
|
|
.unbind = dw_hdmi_rockchip_unbind,
|
||
|
|
};
|
||
|
|
|
||
|
|
static int dw_hdmi_rockchip_probe(struct platform_device *pdev)
|
||
|
|
{
|
||
|
|
return component_add(&pdev->dev, &dw_hdmi_rockchip_ops);
|
||
|
|
}
|
||
|
|
|
||
|
|
static int dw_hdmi_rockchip_remove(struct platform_device *pdev)
|
||
|
|
{
|
||
|
|
component_del(&pdev->dev, &dw_hdmi_rockchip_ops);
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int __maybe_unused dw_hdmi_rockchip_resume(struct device *dev)
|
||
|
|
{
|
||
|
|
struct rockchip_hdmi *hdmi = dev_get_drvdata(dev);
|
||
|
|
|
||
|
|
dw_hdmi_resume(hdmi->hdmi);
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static const struct dev_pm_ops dw_hdmi_rockchip_pm = {
|
||
|
|
SET_SYSTEM_SLEEP_PM_OPS(NULL, dw_hdmi_rockchip_resume)
|
||
|
|
};
|
||
|
|
|
||
|
|
struct platform_driver dw_hdmi_rockchip_pltfm_driver = {
|
||
|
|
.probe = dw_hdmi_rockchip_probe,
|
||
|
|
.remove = dw_hdmi_rockchip_remove,
|
||
|
|
.driver = {
|
||
|
|
.name = "dwhdmi-rockchip",
|
||
|
|
.pm = &dw_hdmi_rockchip_pm,
|
||
|
|
.of_match_table = dw_hdmi_rockchip_dt_ids,
|
||
|
|
},
|
||
|
|
};
|