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3ae24362e0
HDMI driver called directly function from MIXER driver to invalidate modes not supported by MIXER. The patch replaces the hack with proper .atomic_check callback. Signed-off-by: Andrzej Hajda <a.hajda@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
1990 lines
55 KiB
C
1990 lines
55 KiB
C
/*
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* Copyright (C) 2011 Samsung Electronics Co.Ltd
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* Authors:
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* Seung-Woo Kim <sw0312.kim@samsung.com>
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* Inki Dae <inki.dae@samsung.com>
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* Joonyoung Shim <jy0922.shim@samsung.com>
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*
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* Based on drivers/media/video/s5p-tv/hdmi_drv.c
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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*/
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#include <drm/drmP.h>
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#include <drm/drm_edid.h>
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#include <drm/drm_crtc_helper.h>
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#include <drm/drm_atomic_helper.h>
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#include "regs-hdmi.h"
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#include <linux/kernel.h>
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#include <linux/wait.h>
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#include <linux/i2c.h>
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#include <linux/platform_device.h>
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#include <linux/interrupt.h>
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#include <linux/irq.h>
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#include <linux/delay.h>
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#include <linux/pm_runtime.h>
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#include <linux/clk.h>
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#include <linux/gpio/consumer.h>
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#include <linux/regulator/consumer.h>
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#include <linux/io.h>
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#include <linux/of_address.h>
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#include <linux/of_device.h>
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#include <linux/hdmi.h>
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#include <linux/component.h>
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#include <linux/mfd/syscon.h>
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#include <linux/regmap.h>
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#include <drm/exynos_drm.h>
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#include "exynos_drm_drv.h"
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#include "exynos_drm_crtc.h"
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#define HOTPLUG_DEBOUNCE_MS 1100
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/* AVI header and aspect ratio */
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#define HDMI_AVI_VERSION 0x02
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#define HDMI_AVI_LENGTH 0x0D
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/* AUI header info */
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#define HDMI_AUI_VERSION 0x01
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#define HDMI_AUI_LENGTH 0x0A
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#define AVI_SAME_AS_PIC_ASPECT_RATIO 0x8
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#define AVI_4_3_CENTER_RATIO 0x9
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#define AVI_16_9_CENTER_RATIO 0xa
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enum hdmi_type {
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HDMI_TYPE13,
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HDMI_TYPE14,
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HDMI_TYPE_COUNT
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};
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#define HDMI_MAPPED_BASE 0xffff0000
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enum hdmi_mapped_regs {
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HDMI_PHY_STATUS = HDMI_MAPPED_BASE,
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HDMI_PHY_RSTOUT,
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HDMI_ACR_CON,
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HDMI_ACR_MCTS0,
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HDMI_ACR_CTS0,
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HDMI_ACR_N0
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};
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static const u32 hdmi_reg_map[][HDMI_TYPE_COUNT] = {
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{ HDMI_V13_PHY_STATUS, HDMI_PHY_STATUS_0 },
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{ HDMI_V13_PHY_RSTOUT, HDMI_V14_PHY_RSTOUT },
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{ HDMI_V13_ACR_CON, HDMI_V14_ACR_CON },
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{ HDMI_V13_ACR_MCTS0, HDMI_V14_ACR_MCTS0 },
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{ HDMI_V13_ACR_CTS0, HDMI_V14_ACR_CTS0 },
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{ HDMI_V13_ACR_N0, HDMI_V14_ACR_N0 },
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};
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static const char * const supply[] = {
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"vdd",
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"vdd_osc",
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"vdd_pll",
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};
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struct hdmi_driver_data {
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unsigned int type;
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const struct hdmiphy_config *phy_confs;
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unsigned int phy_conf_count;
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unsigned int is_apb_phy:1;
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};
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struct hdmi_context {
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struct drm_encoder encoder;
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struct device *dev;
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struct drm_device *drm_dev;
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struct drm_connector connector;
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bool powered;
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bool dvi_mode;
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struct delayed_work hotplug_work;
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struct drm_display_mode current_mode;
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u8 cea_video_id;
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const struct hdmi_driver_data *drv_data;
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void __iomem *regs;
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void __iomem *regs_hdmiphy;
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struct i2c_client *hdmiphy_port;
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struct i2c_adapter *ddc_adpt;
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struct gpio_desc *hpd_gpio;
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int irq;
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struct regmap *pmureg;
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struct clk *hdmi;
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struct clk *sclk_hdmi;
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struct clk *sclk_pixel;
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struct clk *sclk_hdmiphy;
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struct clk *mout_hdmi;
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struct regulator_bulk_data regul_bulk[ARRAY_SIZE(supply)];
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struct regulator *reg_hdmi_en;
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};
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static inline struct hdmi_context *encoder_to_hdmi(struct drm_encoder *e)
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{
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return container_of(e, struct hdmi_context, encoder);
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}
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static inline struct hdmi_context *connector_to_hdmi(struct drm_connector *c)
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{
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return container_of(c, struct hdmi_context, connector);
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}
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struct hdmiphy_config {
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int pixel_clock;
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u8 conf[32];
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};
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/* list of phy config settings */
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static const struct hdmiphy_config hdmiphy_v13_configs[] = {
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{
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.pixel_clock = 27000000,
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.conf = {
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0x01, 0x05, 0x00, 0xD8, 0x10, 0x1C, 0x30, 0x40,
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0x6B, 0x10, 0x02, 0x51, 0xDF, 0xF2, 0x54, 0x87,
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0x84, 0x00, 0x30, 0x38, 0x00, 0x08, 0x10, 0xE0,
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0x22, 0x40, 0xE3, 0x26, 0x00, 0x00, 0x00, 0x80,
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},
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},
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{
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.pixel_clock = 27027000,
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.conf = {
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0x01, 0x05, 0x00, 0xD4, 0x10, 0x9C, 0x09, 0x64,
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0x6B, 0x10, 0x02, 0x51, 0xDF, 0xF2, 0x54, 0x87,
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0x84, 0x00, 0x30, 0x38, 0x00, 0x08, 0x10, 0xE0,
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0x22, 0x40, 0xE3, 0x26, 0x00, 0x00, 0x00, 0x80,
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},
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},
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{
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.pixel_clock = 74176000,
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.conf = {
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0x01, 0x05, 0x00, 0xD8, 0x10, 0x9C, 0xef, 0x5B,
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0x6D, 0x10, 0x01, 0x51, 0xef, 0xF3, 0x54, 0xb9,
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0x84, 0x00, 0x30, 0x38, 0x00, 0x08, 0x10, 0xE0,
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0x22, 0x40, 0xa5, 0x26, 0x01, 0x00, 0x00, 0x80,
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},
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},
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{
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.pixel_clock = 74250000,
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.conf = {
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0x01, 0x05, 0x00, 0xd8, 0x10, 0x9c, 0xf8, 0x40,
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0x6a, 0x10, 0x01, 0x51, 0xff, 0xf1, 0x54, 0xba,
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0x84, 0x00, 0x10, 0x38, 0x00, 0x08, 0x10, 0xe0,
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0x22, 0x40, 0xa4, 0x26, 0x01, 0x00, 0x00, 0x80,
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},
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},
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{
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.pixel_clock = 148500000,
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.conf = {
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0x01, 0x05, 0x00, 0xD8, 0x10, 0x9C, 0xf8, 0x40,
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0x6A, 0x18, 0x00, 0x51, 0xff, 0xF1, 0x54, 0xba,
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0x84, 0x00, 0x10, 0x38, 0x00, 0x08, 0x10, 0xE0,
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0x22, 0x40, 0xa4, 0x26, 0x02, 0x00, 0x00, 0x80,
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},
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},
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};
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static const struct hdmiphy_config hdmiphy_v14_configs[] = {
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{
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.pixel_clock = 25200000,
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.conf = {
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0x01, 0x51, 0x2A, 0x75, 0x40, 0x01, 0x00, 0x08,
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0x82, 0x80, 0xfc, 0xd8, 0x45, 0xa0, 0xac, 0x80,
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0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
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0x54, 0xf4, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
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},
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},
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{
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.pixel_clock = 27000000,
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.conf = {
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0x01, 0xd1, 0x22, 0x51, 0x40, 0x08, 0xfc, 0x20,
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0x98, 0xa0, 0xcb, 0xd8, 0x45, 0xa0, 0xac, 0x80,
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0x06, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
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0x54, 0xe4, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
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},
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},
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{
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.pixel_clock = 27027000,
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.conf = {
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0x01, 0xd1, 0x2d, 0x72, 0x40, 0x64, 0x12, 0x08,
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0x43, 0xa0, 0x0e, 0xd9, 0x45, 0xa0, 0xac, 0x80,
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0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
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0x54, 0xe3, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
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},
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},
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{
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.pixel_clock = 36000000,
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.conf = {
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0x01, 0x51, 0x2d, 0x55, 0x40, 0x01, 0x00, 0x08,
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0x82, 0x80, 0x0e, 0xd9, 0x45, 0xa0, 0xac, 0x80,
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0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
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0x54, 0xab, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
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},
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},
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{
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.pixel_clock = 40000000,
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.conf = {
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0x01, 0x51, 0x32, 0x55, 0x40, 0x01, 0x00, 0x08,
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0x82, 0x80, 0x2c, 0xd9, 0x45, 0xa0, 0xac, 0x80,
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0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
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0x54, 0x9a, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
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},
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},
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{
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.pixel_clock = 65000000,
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.conf = {
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0x01, 0xd1, 0x36, 0x34, 0x40, 0x1e, 0x0a, 0x08,
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0x82, 0xa0, 0x45, 0xd9, 0x45, 0xa0, 0xac, 0x80,
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0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
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0x54, 0xbd, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
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},
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},
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{
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.pixel_clock = 71000000,
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.conf = {
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0x01, 0xd1, 0x3b, 0x35, 0x40, 0x0c, 0x04, 0x08,
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0x85, 0xa0, 0x63, 0xd9, 0x45, 0xa0, 0xac, 0x80,
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0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
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0x54, 0xad, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
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},
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},
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{
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.pixel_clock = 73250000,
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.conf = {
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0x01, 0xd1, 0x3d, 0x35, 0x40, 0x18, 0x02, 0x08,
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0x83, 0xa0, 0x6e, 0xd9, 0x45, 0xa0, 0xac, 0x80,
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0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
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0x54, 0xa8, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
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},
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},
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{
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.pixel_clock = 74176000,
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.conf = {
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0x01, 0xd1, 0x3e, 0x35, 0x40, 0x5b, 0xde, 0x08,
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0x82, 0xa0, 0x73, 0xd9, 0x45, 0xa0, 0xac, 0x80,
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0x56, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
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0x54, 0xa6, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
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},
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},
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{
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.pixel_clock = 74250000,
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.conf = {
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0x01, 0xd1, 0x1f, 0x10, 0x40, 0x40, 0xf8, 0x08,
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0x81, 0xa0, 0xba, 0xd8, 0x45, 0xa0, 0xac, 0x80,
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0x3c, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
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0x54, 0xa5, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
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},
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},
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{
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.pixel_clock = 83500000,
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.conf = {
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0x01, 0xd1, 0x23, 0x11, 0x40, 0x0c, 0xfb, 0x08,
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0x85, 0xa0, 0xd1, 0xd8, 0x45, 0xa0, 0xac, 0x80,
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0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
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0x54, 0x93, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
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},
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},
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{
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.pixel_clock = 106500000,
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.conf = {
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0x01, 0xd1, 0x2c, 0x12, 0x40, 0x0c, 0x09, 0x08,
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0x84, 0xa0, 0x0a, 0xd9, 0x45, 0xa0, 0xac, 0x80,
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0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
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0x54, 0x73, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
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},
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},
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{
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.pixel_clock = 108000000,
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.conf = {
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0x01, 0x51, 0x2d, 0x15, 0x40, 0x01, 0x00, 0x08,
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0x82, 0x80, 0x0e, 0xd9, 0x45, 0xa0, 0xac, 0x80,
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0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
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0x54, 0xc7, 0x25, 0x03, 0x00, 0x00, 0x01, 0x80,
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},
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},
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{
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.pixel_clock = 115500000,
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.conf = {
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0x01, 0xd1, 0x30, 0x12, 0x40, 0x40, 0x10, 0x08,
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0x80, 0x80, 0x21, 0xd9, 0x45, 0xa0, 0xac, 0x80,
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0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
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0x54, 0xaa, 0x25, 0x03, 0x00, 0x00, 0x01, 0x80,
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},
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},
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{
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.pixel_clock = 119000000,
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.conf = {
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0x01, 0xd1, 0x32, 0x1a, 0x40, 0x30, 0xd8, 0x08,
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0x04, 0xa0, 0x2a, 0xd9, 0x45, 0xa0, 0xac, 0x80,
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0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
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0x54, 0x9d, 0x25, 0x03, 0x00, 0x00, 0x01, 0x80,
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},
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},
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{
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.pixel_clock = 146250000,
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.conf = {
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0x01, 0xd1, 0x3d, 0x15, 0x40, 0x18, 0xfd, 0x08,
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0x83, 0xa0, 0x6e, 0xd9, 0x45, 0xa0, 0xac, 0x80,
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0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
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0x54, 0x50, 0x25, 0x03, 0x00, 0x00, 0x01, 0x80,
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},
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},
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{
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.pixel_clock = 148500000,
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.conf = {
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0x01, 0xd1, 0x1f, 0x00, 0x40, 0x40, 0xf8, 0x08,
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0x81, 0xa0, 0xba, 0xd8, 0x45, 0xa0, 0xac, 0x80,
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0x3c, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
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0x54, 0x4b, 0x25, 0x03, 0x00, 0x00, 0x01, 0x80,
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},
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},
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};
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static const struct hdmiphy_config hdmiphy_5420_configs[] = {
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{
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.pixel_clock = 25200000,
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.conf = {
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0x01, 0x52, 0x3F, 0x55, 0x40, 0x01, 0x00, 0xC8,
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0x82, 0xC8, 0xBD, 0xD8, 0x45, 0xA0, 0xAC, 0x80,
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0x06, 0x80, 0x01, 0x84, 0x05, 0x02, 0x24, 0x66,
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0x54, 0xF4, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
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},
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},
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{
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.pixel_clock = 27000000,
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.conf = {
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0x01, 0xD1, 0x22, 0x51, 0x40, 0x08, 0xFC, 0xE0,
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0x98, 0xE8, 0xCB, 0xD8, 0x45, 0xA0, 0xAC, 0x80,
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0x06, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
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0x54, 0xE4, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
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},
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},
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{
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.pixel_clock = 27027000,
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.conf = {
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0x01, 0xD1, 0x2D, 0x72, 0x40, 0x64, 0x12, 0xC8,
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0x43, 0xE8, 0x0E, 0xD9, 0x45, 0xA0, 0xAC, 0x80,
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0x26, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
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0x54, 0xE3, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
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},
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},
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{
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.pixel_clock = 36000000,
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.conf = {
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0x01, 0x51, 0x2D, 0x55, 0x40, 0x40, 0x00, 0xC8,
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0x02, 0xC8, 0x0E, 0xD9, 0x45, 0xA0, 0xAC, 0x80,
|
|
0x08, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
|
|
0x54, 0xAB, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
|
|
},
|
|
},
|
|
{
|
|
.pixel_clock = 40000000,
|
|
.conf = {
|
|
0x01, 0xD1, 0x21, 0x31, 0x40, 0x3C, 0x28, 0xC8,
|
|
0x87, 0xE8, 0xC8, 0xD8, 0x45, 0xA0, 0xAC, 0x80,
|
|
0x08, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
|
|
0x54, 0x9A, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
|
|
},
|
|
},
|
|
{
|
|
.pixel_clock = 65000000,
|
|
.conf = {
|
|
0x01, 0xD1, 0x36, 0x34, 0x40, 0x0C, 0x04, 0xC8,
|
|
0x82, 0xE8, 0x45, 0xD9, 0x45, 0xA0, 0xAC, 0x80,
|
|
0x08, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
|
|
0x54, 0xBD, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
|
|
},
|
|
},
|
|
{
|
|
.pixel_clock = 71000000,
|
|
.conf = {
|
|
0x01, 0xD1, 0x3B, 0x35, 0x40, 0x0C, 0x04, 0xC8,
|
|
0x85, 0xE8, 0x63, 0xD9, 0x45, 0xA0, 0xAC, 0x80,
|
|
0x08, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
|
|
0x54, 0x57, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
|
|
},
|
|
},
|
|
{
|
|
.pixel_clock = 73250000,
|
|
.conf = {
|
|
0x01, 0xD1, 0x1F, 0x10, 0x40, 0x78, 0x8D, 0xC8,
|
|
0x81, 0xE8, 0xB7, 0xD8, 0x45, 0xA0, 0xAC, 0x80,
|
|
0x56, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
|
|
0x54, 0xA8, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
|
|
},
|
|
},
|
|
{
|
|
.pixel_clock = 74176000,
|
|
.conf = {
|
|
0x01, 0xD1, 0x1F, 0x10, 0x40, 0x5B, 0xEF, 0xC8,
|
|
0x81, 0xE8, 0xB9, 0xD8, 0x45, 0xA0, 0xAC, 0x80,
|
|
0x56, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
|
|
0x54, 0xA6, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
|
|
},
|
|
},
|
|
{
|
|
.pixel_clock = 74250000,
|
|
.conf = {
|
|
0x01, 0xD1, 0x1F, 0x10, 0x40, 0x40, 0xF8, 0x08,
|
|
0x81, 0xE8, 0xBA, 0xD8, 0x45, 0xA0, 0xAC, 0x80,
|
|
0x26, 0x80, 0x09, 0x84, 0x05, 0x22, 0x24, 0x66,
|
|
0x54, 0xA5, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
|
|
},
|
|
},
|
|
{
|
|
.pixel_clock = 83500000,
|
|
.conf = {
|
|
0x01, 0xD1, 0x23, 0x11, 0x40, 0x0C, 0xFB, 0xC8,
|
|
0x85, 0xE8, 0xD1, 0xD8, 0x45, 0xA0, 0xAC, 0x80,
|
|
0x08, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
|
|
0x54, 0x4A, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
|
|
},
|
|
},
|
|
{
|
|
.pixel_clock = 88750000,
|
|
.conf = {
|
|
0x01, 0xD1, 0x25, 0x11, 0x40, 0x18, 0xFF, 0xC8,
|
|
0x83, 0xE8, 0xDE, 0xD8, 0x45, 0xA0, 0xAC, 0x80,
|
|
0x08, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
|
|
0x54, 0x45, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
|
|
},
|
|
},
|
|
{
|
|
.pixel_clock = 106500000,
|
|
.conf = {
|
|
0x01, 0xD1, 0x2C, 0x12, 0x40, 0x0C, 0x09, 0xC8,
|
|
0x84, 0xE8, 0x0A, 0xD9, 0x45, 0xA0, 0xAC, 0x80,
|
|
0x08, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
|
|
0x54, 0x73, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
|
|
},
|
|
},
|
|
{
|
|
.pixel_clock = 108000000,
|
|
.conf = {
|
|
0x01, 0x51, 0x2D, 0x15, 0x40, 0x01, 0x00, 0xC8,
|
|
0x82, 0xC8, 0x0E, 0xD9, 0x45, 0xA0, 0xAC, 0x80,
|
|
0x08, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
|
|
0x54, 0xC7, 0x25, 0x03, 0x00, 0x00, 0x01, 0x80,
|
|
},
|
|
},
|
|
{
|
|
.pixel_clock = 115500000,
|
|
.conf = {
|
|
0x01, 0xD1, 0x30, 0x14, 0x40, 0x0C, 0x03, 0xC8,
|
|
0x88, 0xE8, 0x21, 0xD9, 0x45, 0xA0, 0xAC, 0x80,
|
|
0x08, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
|
|
0x54, 0x6A, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
|
|
},
|
|
},
|
|
{
|
|
.pixel_clock = 146250000,
|
|
.conf = {
|
|
0x01, 0xD1, 0x3D, 0x15, 0x40, 0x18, 0xFD, 0xC8,
|
|
0x83, 0xE8, 0x6E, 0xD9, 0x45, 0xA0, 0xAC, 0x80,
|
|
0x08, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
|
|
0x54, 0x54, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
|
|
},
|
|
},
|
|
{
|
|
.pixel_clock = 148500000,
|
|
.conf = {
|
|
0x01, 0xD1, 0x1F, 0x00, 0x40, 0x40, 0xF8, 0x08,
|
|
0x81, 0xE8, 0xBA, 0xD8, 0x45, 0xA0, 0xAC, 0x80,
|
|
0x26, 0x80, 0x09, 0x84, 0x05, 0x22, 0x24, 0x66,
|
|
0x54, 0x4B, 0x25, 0x03, 0x00, 0x80, 0x01, 0x80,
|
|
},
|
|
},
|
|
};
|
|
|
|
static struct hdmi_driver_data exynos5420_hdmi_driver_data = {
|
|
.type = HDMI_TYPE14,
|
|
.phy_confs = hdmiphy_5420_configs,
|
|
.phy_conf_count = ARRAY_SIZE(hdmiphy_5420_configs),
|
|
.is_apb_phy = 1,
|
|
};
|
|
|
|
static struct hdmi_driver_data exynos4212_hdmi_driver_data = {
|
|
.type = HDMI_TYPE14,
|
|
.phy_confs = hdmiphy_v14_configs,
|
|
.phy_conf_count = ARRAY_SIZE(hdmiphy_v14_configs),
|
|
.is_apb_phy = 0,
|
|
};
|
|
|
|
static struct hdmi_driver_data exynos4210_hdmi_driver_data = {
|
|
.type = HDMI_TYPE13,
|
|
.phy_confs = hdmiphy_v13_configs,
|
|
.phy_conf_count = ARRAY_SIZE(hdmiphy_v13_configs),
|
|
.is_apb_phy = 0,
|
|
};
|
|
|
|
static inline u32 hdmi_map_reg(struct hdmi_context *hdata, u32 reg_id)
|
|
{
|
|
if ((reg_id & 0xffff0000) == HDMI_MAPPED_BASE)
|
|
return hdmi_reg_map[reg_id & 0xffff][hdata->drv_data->type];
|
|
return reg_id;
|
|
}
|
|
|
|
static inline u32 hdmi_reg_read(struct hdmi_context *hdata, u32 reg_id)
|
|
{
|
|
return readl(hdata->regs + hdmi_map_reg(hdata, reg_id));
|
|
}
|
|
|
|
static inline void hdmi_reg_writeb(struct hdmi_context *hdata,
|
|
u32 reg_id, u8 value)
|
|
{
|
|
writel(value, hdata->regs + hdmi_map_reg(hdata, reg_id));
|
|
}
|
|
|
|
static inline void hdmi_reg_writev(struct hdmi_context *hdata, u32 reg_id,
|
|
int bytes, u32 val)
|
|
{
|
|
reg_id = hdmi_map_reg(hdata, reg_id);
|
|
|
|
while (--bytes >= 0) {
|
|
writel(val & 0xff, hdata->regs + reg_id);
|
|
val >>= 8;
|
|
reg_id += 4;
|
|
}
|
|
}
|
|
|
|
static inline void hdmi_reg_writemask(struct hdmi_context *hdata,
|
|
u32 reg_id, u32 value, u32 mask)
|
|
{
|
|
u32 old;
|
|
|
|
reg_id = hdmi_map_reg(hdata, reg_id);
|
|
old = readl(hdata->regs + reg_id);
|
|
value = (value & mask) | (old & ~mask);
|
|
writel(value, hdata->regs + reg_id);
|
|
}
|
|
|
|
static int hdmiphy_reg_write_buf(struct hdmi_context *hdata,
|
|
u32 reg_offset, const u8 *buf, u32 len)
|
|
{
|
|
if ((reg_offset + len) > 32)
|
|
return -EINVAL;
|
|
|
|
if (hdata->hdmiphy_port) {
|
|
int ret;
|
|
|
|
ret = i2c_master_send(hdata->hdmiphy_port, buf, len);
|
|
if (ret == len)
|
|
return 0;
|
|
return ret;
|
|
} else {
|
|
int i;
|
|
for (i = 0; i < len; i++)
|
|
writel(buf[i], hdata->regs_hdmiphy +
|
|
((reg_offset + i)<<2));
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
static void hdmi_v13_regs_dump(struct hdmi_context *hdata, char *prefix)
|
|
{
|
|
#define DUMPREG(reg_id) \
|
|
DRM_DEBUG_KMS("%s:" #reg_id " = %08x\n", prefix, \
|
|
readl(hdata->regs + reg_id))
|
|
DRM_DEBUG_KMS("%s: ---- CONTROL REGISTERS ----\n", prefix);
|
|
DUMPREG(HDMI_INTC_FLAG);
|
|
DUMPREG(HDMI_INTC_CON);
|
|
DUMPREG(HDMI_HPD_STATUS);
|
|
DUMPREG(HDMI_V13_PHY_RSTOUT);
|
|
DUMPREG(HDMI_V13_PHY_VPLL);
|
|
DUMPREG(HDMI_V13_PHY_CMU);
|
|
DUMPREG(HDMI_V13_CORE_RSTOUT);
|
|
|
|
DRM_DEBUG_KMS("%s: ---- CORE REGISTERS ----\n", prefix);
|
|
DUMPREG(HDMI_CON_0);
|
|
DUMPREG(HDMI_CON_1);
|
|
DUMPREG(HDMI_CON_2);
|
|
DUMPREG(HDMI_SYS_STATUS);
|
|
DUMPREG(HDMI_V13_PHY_STATUS);
|
|
DUMPREG(HDMI_STATUS_EN);
|
|
DUMPREG(HDMI_HPD);
|
|
DUMPREG(HDMI_MODE_SEL);
|
|
DUMPREG(HDMI_V13_HPD_GEN);
|
|
DUMPREG(HDMI_V13_DC_CONTROL);
|
|
DUMPREG(HDMI_V13_VIDEO_PATTERN_GEN);
|
|
|
|
DRM_DEBUG_KMS("%s: ---- CORE SYNC REGISTERS ----\n", prefix);
|
|
DUMPREG(HDMI_H_BLANK_0);
|
|
DUMPREG(HDMI_H_BLANK_1);
|
|
DUMPREG(HDMI_V13_V_BLANK_0);
|
|
DUMPREG(HDMI_V13_V_BLANK_1);
|
|
DUMPREG(HDMI_V13_V_BLANK_2);
|
|
DUMPREG(HDMI_V13_H_V_LINE_0);
|
|
DUMPREG(HDMI_V13_H_V_LINE_1);
|
|
DUMPREG(HDMI_V13_H_V_LINE_2);
|
|
DUMPREG(HDMI_VSYNC_POL);
|
|
DUMPREG(HDMI_INT_PRO_MODE);
|
|
DUMPREG(HDMI_V13_V_BLANK_F_0);
|
|
DUMPREG(HDMI_V13_V_BLANK_F_1);
|
|
DUMPREG(HDMI_V13_V_BLANK_F_2);
|
|
DUMPREG(HDMI_V13_H_SYNC_GEN_0);
|
|
DUMPREG(HDMI_V13_H_SYNC_GEN_1);
|
|
DUMPREG(HDMI_V13_H_SYNC_GEN_2);
|
|
DUMPREG(HDMI_V13_V_SYNC_GEN_1_0);
|
|
DUMPREG(HDMI_V13_V_SYNC_GEN_1_1);
|
|
DUMPREG(HDMI_V13_V_SYNC_GEN_1_2);
|
|
DUMPREG(HDMI_V13_V_SYNC_GEN_2_0);
|
|
DUMPREG(HDMI_V13_V_SYNC_GEN_2_1);
|
|
DUMPREG(HDMI_V13_V_SYNC_GEN_2_2);
|
|
DUMPREG(HDMI_V13_V_SYNC_GEN_3_0);
|
|
DUMPREG(HDMI_V13_V_SYNC_GEN_3_1);
|
|
DUMPREG(HDMI_V13_V_SYNC_GEN_3_2);
|
|
|
|
DRM_DEBUG_KMS("%s: ---- TG REGISTERS ----\n", prefix);
|
|
DUMPREG(HDMI_TG_CMD);
|
|
DUMPREG(HDMI_TG_H_FSZ_L);
|
|
DUMPREG(HDMI_TG_H_FSZ_H);
|
|
DUMPREG(HDMI_TG_HACT_ST_L);
|
|
DUMPREG(HDMI_TG_HACT_ST_H);
|
|
DUMPREG(HDMI_TG_HACT_SZ_L);
|
|
DUMPREG(HDMI_TG_HACT_SZ_H);
|
|
DUMPREG(HDMI_TG_V_FSZ_L);
|
|
DUMPREG(HDMI_TG_V_FSZ_H);
|
|
DUMPREG(HDMI_TG_VSYNC_L);
|
|
DUMPREG(HDMI_TG_VSYNC_H);
|
|
DUMPREG(HDMI_TG_VSYNC2_L);
|
|
DUMPREG(HDMI_TG_VSYNC2_H);
|
|
DUMPREG(HDMI_TG_VACT_ST_L);
|
|
DUMPREG(HDMI_TG_VACT_ST_H);
|
|
DUMPREG(HDMI_TG_VACT_SZ_L);
|
|
DUMPREG(HDMI_TG_VACT_SZ_H);
|
|
DUMPREG(HDMI_TG_FIELD_CHG_L);
|
|
DUMPREG(HDMI_TG_FIELD_CHG_H);
|
|
DUMPREG(HDMI_TG_VACT_ST2_L);
|
|
DUMPREG(HDMI_TG_VACT_ST2_H);
|
|
DUMPREG(HDMI_TG_VSYNC_TOP_HDMI_L);
|
|
DUMPREG(HDMI_TG_VSYNC_TOP_HDMI_H);
|
|
DUMPREG(HDMI_TG_VSYNC_BOT_HDMI_L);
|
|
DUMPREG(HDMI_TG_VSYNC_BOT_HDMI_H);
|
|
DUMPREG(HDMI_TG_FIELD_TOP_HDMI_L);
|
|
DUMPREG(HDMI_TG_FIELD_TOP_HDMI_H);
|
|
DUMPREG(HDMI_TG_FIELD_BOT_HDMI_L);
|
|
DUMPREG(HDMI_TG_FIELD_BOT_HDMI_H);
|
|
#undef DUMPREG
|
|
}
|
|
|
|
static void hdmi_v14_regs_dump(struct hdmi_context *hdata, char *prefix)
|
|
{
|
|
int i;
|
|
|
|
#define DUMPREG(reg_id) \
|
|
DRM_DEBUG_KMS("%s:" #reg_id " = %08x\n", prefix, \
|
|
readl(hdata->regs + reg_id))
|
|
|
|
DRM_DEBUG_KMS("%s: ---- CONTROL REGISTERS ----\n", prefix);
|
|
DUMPREG(HDMI_INTC_CON);
|
|
DUMPREG(HDMI_INTC_FLAG);
|
|
DUMPREG(HDMI_HPD_STATUS);
|
|
DUMPREG(HDMI_INTC_CON_1);
|
|
DUMPREG(HDMI_INTC_FLAG_1);
|
|
DUMPREG(HDMI_PHY_STATUS_0);
|
|
DUMPREG(HDMI_PHY_STATUS_PLL);
|
|
DUMPREG(HDMI_PHY_CON_0);
|
|
DUMPREG(HDMI_V14_PHY_RSTOUT);
|
|
DUMPREG(HDMI_PHY_VPLL);
|
|
DUMPREG(HDMI_PHY_CMU);
|
|
DUMPREG(HDMI_CORE_RSTOUT);
|
|
|
|
DRM_DEBUG_KMS("%s: ---- CORE REGISTERS ----\n", prefix);
|
|
DUMPREG(HDMI_CON_0);
|
|
DUMPREG(HDMI_CON_1);
|
|
DUMPREG(HDMI_CON_2);
|
|
DUMPREG(HDMI_SYS_STATUS);
|
|
DUMPREG(HDMI_PHY_STATUS_0);
|
|
DUMPREG(HDMI_STATUS_EN);
|
|
DUMPREG(HDMI_HPD);
|
|
DUMPREG(HDMI_MODE_SEL);
|
|
DUMPREG(HDMI_ENC_EN);
|
|
DUMPREG(HDMI_DC_CONTROL);
|
|
DUMPREG(HDMI_VIDEO_PATTERN_GEN);
|
|
|
|
DRM_DEBUG_KMS("%s: ---- CORE SYNC REGISTERS ----\n", prefix);
|
|
DUMPREG(HDMI_H_BLANK_0);
|
|
DUMPREG(HDMI_H_BLANK_1);
|
|
DUMPREG(HDMI_V2_BLANK_0);
|
|
DUMPREG(HDMI_V2_BLANK_1);
|
|
DUMPREG(HDMI_V1_BLANK_0);
|
|
DUMPREG(HDMI_V1_BLANK_1);
|
|
DUMPREG(HDMI_V_LINE_0);
|
|
DUMPREG(HDMI_V_LINE_1);
|
|
DUMPREG(HDMI_H_LINE_0);
|
|
DUMPREG(HDMI_H_LINE_1);
|
|
DUMPREG(HDMI_HSYNC_POL);
|
|
|
|
DUMPREG(HDMI_VSYNC_POL);
|
|
DUMPREG(HDMI_INT_PRO_MODE);
|
|
DUMPREG(HDMI_V_BLANK_F0_0);
|
|
DUMPREG(HDMI_V_BLANK_F0_1);
|
|
DUMPREG(HDMI_V_BLANK_F1_0);
|
|
DUMPREG(HDMI_V_BLANK_F1_1);
|
|
|
|
DUMPREG(HDMI_H_SYNC_START_0);
|
|
DUMPREG(HDMI_H_SYNC_START_1);
|
|
DUMPREG(HDMI_H_SYNC_END_0);
|
|
DUMPREG(HDMI_H_SYNC_END_1);
|
|
|
|
DUMPREG(HDMI_V_SYNC_LINE_BEF_2_0);
|
|
DUMPREG(HDMI_V_SYNC_LINE_BEF_2_1);
|
|
DUMPREG(HDMI_V_SYNC_LINE_BEF_1_0);
|
|
DUMPREG(HDMI_V_SYNC_LINE_BEF_1_1);
|
|
|
|
DUMPREG(HDMI_V_SYNC_LINE_AFT_2_0);
|
|
DUMPREG(HDMI_V_SYNC_LINE_AFT_2_1);
|
|
DUMPREG(HDMI_V_SYNC_LINE_AFT_1_0);
|
|
DUMPREG(HDMI_V_SYNC_LINE_AFT_1_1);
|
|
|
|
DUMPREG(HDMI_V_SYNC_LINE_AFT_PXL_2_0);
|
|
DUMPREG(HDMI_V_SYNC_LINE_AFT_PXL_2_1);
|
|
DUMPREG(HDMI_V_SYNC_LINE_AFT_PXL_1_0);
|
|
DUMPREG(HDMI_V_SYNC_LINE_AFT_PXL_1_1);
|
|
|
|
DUMPREG(HDMI_V_BLANK_F2_0);
|
|
DUMPREG(HDMI_V_BLANK_F2_1);
|
|
DUMPREG(HDMI_V_BLANK_F3_0);
|
|
DUMPREG(HDMI_V_BLANK_F3_1);
|
|
DUMPREG(HDMI_V_BLANK_F4_0);
|
|
DUMPREG(HDMI_V_BLANK_F4_1);
|
|
DUMPREG(HDMI_V_BLANK_F5_0);
|
|
DUMPREG(HDMI_V_BLANK_F5_1);
|
|
|
|
DUMPREG(HDMI_V_SYNC_LINE_AFT_3_0);
|
|
DUMPREG(HDMI_V_SYNC_LINE_AFT_3_1);
|
|
DUMPREG(HDMI_V_SYNC_LINE_AFT_4_0);
|
|
DUMPREG(HDMI_V_SYNC_LINE_AFT_4_1);
|
|
DUMPREG(HDMI_V_SYNC_LINE_AFT_5_0);
|
|
DUMPREG(HDMI_V_SYNC_LINE_AFT_5_1);
|
|
DUMPREG(HDMI_V_SYNC_LINE_AFT_6_0);
|
|
DUMPREG(HDMI_V_SYNC_LINE_AFT_6_1);
|
|
|
|
DUMPREG(HDMI_V_SYNC_LINE_AFT_PXL_3_0);
|
|
DUMPREG(HDMI_V_SYNC_LINE_AFT_PXL_3_1);
|
|
DUMPREG(HDMI_V_SYNC_LINE_AFT_PXL_4_0);
|
|
DUMPREG(HDMI_V_SYNC_LINE_AFT_PXL_4_1);
|
|
DUMPREG(HDMI_V_SYNC_LINE_AFT_PXL_5_0);
|
|
DUMPREG(HDMI_V_SYNC_LINE_AFT_PXL_5_1);
|
|
DUMPREG(HDMI_V_SYNC_LINE_AFT_PXL_6_0);
|
|
DUMPREG(HDMI_V_SYNC_LINE_AFT_PXL_6_1);
|
|
|
|
DUMPREG(HDMI_VACT_SPACE_1_0);
|
|
DUMPREG(HDMI_VACT_SPACE_1_1);
|
|
DUMPREG(HDMI_VACT_SPACE_2_0);
|
|
DUMPREG(HDMI_VACT_SPACE_2_1);
|
|
DUMPREG(HDMI_VACT_SPACE_3_0);
|
|
DUMPREG(HDMI_VACT_SPACE_3_1);
|
|
DUMPREG(HDMI_VACT_SPACE_4_0);
|
|
DUMPREG(HDMI_VACT_SPACE_4_1);
|
|
DUMPREG(HDMI_VACT_SPACE_5_0);
|
|
DUMPREG(HDMI_VACT_SPACE_5_1);
|
|
DUMPREG(HDMI_VACT_SPACE_6_0);
|
|
DUMPREG(HDMI_VACT_SPACE_6_1);
|
|
|
|
DRM_DEBUG_KMS("%s: ---- TG REGISTERS ----\n", prefix);
|
|
DUMPREG(HDMI_TG_CMD);
|
|
DUMPREG(HDMI_TG_H_FSZ_L);
|
|
DUMPREG(HDMI_TG_H_FSZ_H);
|
|
DUMPREG(HDMI_TG_HACT_ST_L);
|
|
DUMPREG(HDMI_TG_HACT_ST_H);
|
|
DUMPREG(HDMI_TG_HACT_SZ_L);
|
|
DUMPREG(HDMI_TG_HACT_SZ_H);
|
|
DUMPREG(HDMI_TG_V_FSZ_L);
|
|
DUMPREG(HDMI_TG_V_FSZ_H);
|
|
DUMPREG(HDMI_TG_VSYNC_L);
|
|
DUMPREG(HDMI_TG_VSYNC_H);
|
|
DUMPREG(HDMI_TG_VSYNC2_L);
|
|
DUMPREG(HDMI_TG_VSYNC2_H);
|
|
DUMPREG(HDMI_TG_VACT_ST_L);
|
|
DUMPREG(HDMI_TG_VACT_ST_H);
|
|
DUMPREG(HDMI_TG_VACT_SZ_L);
|
|
DUMPREG(HDMI_TG_VACT_SZ_H);
|
|
DUMPREG(HDMI_TG_FIELD_CHG_L);
|
|
DUMPREG(HDMI_TG_FIELD_CHG_H);
|
|
DUMPREG(HDMI_TG_VACT_ST2_L);
|
|
DUMPREG(HDMI_TG_VACT_ST2_H);
|
|
DUMPREG(HDMI_TG_VACT_ST3_L);
|
|
DUMPREG(HDMI_TG_VACT_ST3_H);
|
|
DUMPREG(HDMI_TG_VACT_ST4_L);
|
|
DUMPREG(HDMI_TG_VACT_ST4_H);
|
|
DUMPREG(HDMI_TG_VSYNC_TOP_HDMI_L);
|
|
DUMPREG(HDMI_TG_VSYNC_TOP_HDMI_H);
|
|
DUMPREG(HDMI_TG_VSYNC_BOT_HDMI_L);
|
|
DUMPREG(HDMI_TG_VSYNC_BOT_HDMI_H);
|
|
DUMPREG(HDMI_TG_FIELD_TOP_HDMI_L);
|
|
DUMPREG(HDMI_TG_FIELD_TOP_HDMI_H);
|
|
DUMPREG(HDMI_TG_FIELD_BOT_HDMI_L);
|
|
DUMPREG(HDMI_TG_FIELD_BOT_HDMI_H);
|
|
DUMPREG(HDMI_TG_3D);
|
|
|
|
DRM_DEBUG_KMS("%s: ---- PACKET REGISTERS ----\n", prefix);
|
|
DUMPREG(HDMI_AVI_CON);
|
|
DUMPREG(HDMI_AVI_HEADER0);
|
|
DUMPREG(HDMI_AVI_HEADER1);
|
|
DUMPREG(HDMI_AVI_HEADER2);
|
|
DUMPREG(HDMI_AVI_CHECK_SUM);
|
|
DUMPREG(HDMI_VSI_CON);
|
|
DUMPREG(HDMI_VSI_HEADER0);
|
|
DUMPREG(HDMI_VSI_HEADER1);
|
|
DUMPREG(HDMI_VSI_HEADER2);
|
|
for (i = 0; i < 7; ++i)
|
|
DUMPREG(HDMI_VSI_DATA(i));
|
|
|
|
#undef DUMPREG
|
|
}
|
|
|
|
static void hdmi_regs_dump(struct hdmi_context *hdata, char *prefix)
|
|
{
|
|
if (hdata->drv_data->type == HDMI_TYPE13)
|
|
hdmi_v13_regs_dump(hdata, prefix);
|
|
else
|
|
hdmi_v14_regs_dump(hdata, prefix);
|
|
}
|
|
|
|
static u8 hdmi_chksum(struct hdmi_context *hdata,
|
|
u32 start, u8 len, u32 hdr_sum)
|
|
{
|
|
int i;
|
|
|
|
/* hdr_sum : header0 + header1 + header2
|
|
* start : start address of packet byte1
|
|
* len : packet bytes - 1 */
|
|
for (i = 0; i < len; ++i)
|
|
hdr_sum += 0xff & hdmi_reg_read(hdata, start + i * 4);
|
|
|
|
/* return 2's complement of 8 bit hdr_sum */
|
|
return (u8)(~(hdr_sum & 0xff) + 1);
|
|
}
|
|
|
|
static void hdmi_reg_infoframe(struct hdmi_context *hdata,
|
|
union hdmi_infoframe *infoframe)
|
|
{
|
|
u32 hdr_sum;
|
|
u8 chksum;
|
|
u32 mod;
|
|
u8 ar;
|
|
|
|
mod = hdmi_reg_read(hdata, HDMI_MODE_SEL);
|
|
if (hdata->dvi_mode) {
|
|
hdmi_reg_writeb(hdata, HDMI_VSI_CON,
|
|
HDMI_VSI_CON_DO_NOT_TRANSMIT);
|
|
hdmi_reg_writeb(hdata, HDMI_AVI_CON,
|
|
HDMI_AVI_CON_DO_NOT_TRANSMIT);
|
|
hdmi_reg_writeb(hdata, HDMI_AUI_CON, HDMI_AUI_CON_NO_TRAN);
|
|
return;
|
|
}
|
|
|
|
switch (infoframe->any.type) {
|
|
case HDMI_INFOFRAME_TYPE_AVI:
|
|
hdmi_reg_writeb(hdata, HDMI_AVI_CON, HDMI_AVI_CON_EVERY_VSYNC);
|
|
hdmi_reg_writeb(hdata, HDMI_AVI_HEADER0, infoframe->any.type);
|
|
hdmi_reg_writeb(hdata, HDMI_AVI_HEADER1,
|
|
infoframe->any.version);
|
|
hdmi_reg_writeb(hdata, HDMI_AVI_HEADER2, infoframe->any.length);
|
|
hdr_sum = infoframe->any.type + infoframe->any.version +
|
|
infoframe->any.length;
|
|
|
|
/* Output format zero hardcoded ,RGB YBCR selection */
|
|
hdmi_reg_writeb(hdata, HDMI_AVI_BYTE(1), 0 << 5 |
|
|
AVI_ACTIVE_FORMAT_VALID |
|
|
AVI_UNDERSCANNED_DISPLAY_VALID);
|
|
|
|
/*
|
|
* Set the aspect ratio as per the mode, mentioned in
|
|
* Table 9 AVI InfoFrame Data Byte 2 of CEA-861-D Standard
|
|
*/
|
|
ar = hdata->current_mode.picture_aspect_ratio;
|
|
switch (ar) {
|
|
case HDMI_PICTURE_ASPECT_4_3:
|
|
ar |= AVI_4_3_CENTER_RATIO;
|
|
break;
|
|
case HDMI_PICTURE_ASPECT_16_9:
|
|
ar |= AVI_16_9_CENTER_RATIO;
|
|
break;
|
|
case HDMI_PICTURE_ASPECT_NONE:
|
|
default:
|
|
ar |= AVI_SAME_AS_PIC_ASPECT_RATIO;
|
|
break;
|
|
}
|
|
hdmi_reg_writeb(hdata, HDMI_AVI_BYTE(2), ar);
|
|
|
|
hdmi_reg_writeb(hdata, HDMI_AVI_BYTE(4), hdata->cea_video_id);
|
|
|
|
chksum = hdmi_chksum(hdata, HDMI_AVI_BYTE(1),
|
|
infoframe->any.length, hdr_sum);
|
|
DRM_DEBUG_KMS("AVI checksum = 0x%x\n", chksum);
|
|
hdmi_reg_writeb(hdata, HDMI_AVI_CHECK_SUM, chksum);
|
|
break;
|
|
case HDMI_INFOFRAME_TYPE_AUDIO:
|
|
hdmi_reg_writeb(hdata, HDMI_AUI_CON, 0x02);
|
|
hdmi_reg_writeb(hdata, HDMI_AUI_HEADER0, infoframe->any.type);
|
|
hdmi_reg_writeb(hdata, HDMI_AUI_HEADER1,
|
|
infoframe->any.version);
|
|
hdmi_reg_writeb(hdata, HDMI_AUI_HEADER2, infoframe->any.length);
|
|
hdr_sum = infoframe->any.type + infoframe->any.version +
|
|
infoframe->any.length;
|
|
chksum = hdmi_chksum(hdata, HDMI_AUI_BYTE(1),
|
|
infoframe->any.length, hdr_sum);
|
|
DRM_DEBUG_KMS("AUI checksum = 0x%x\n", chksum);
|
|
hdmi_reg_writeb(hdata, HDMI_AUI_CHECK_SUM, chksum);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
static enum drm_connector_status hdmi_detect(struct drm_connector *connector,
|
|
bool force)
|
|
{
|
|
struct hdmi_context *hdata = connector_to_hdmi(connector);
|
|
|
|
if (gpiod_get_value(hdata->hpd_gpio))
|
|
return connector_status_connected;
|
|
|
|
return connector_status_disconnected;
|
|
}
|
|
|
|
static void hdmi_connector_destroy(struct drm_connector *connector)
|
|
{
|
|
drm_connector_unregister(connector);
|
|
drm_connector_cleanup(connector);
|
|
}
|
|
|
|
static struct drm_connector_funcs hdmi_connector_funcs = {
|
|
.dpms = drm_atomic_helper_connector_dpms,
|
|
.fill_modes = drm_helper_probe_single_connector_modes,
|
|
.detect = hdmi_detect,
|
|
.destroy = hdmi_connector_destroy,
|
|
.reset = drm_atomic_helper_connector_reset,
|
|
.atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
|
|
.atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
|
|
};
|
|
|
|
static int hdmi_get_modes(struct drm_connector *connector)
|
|
{
|
|
struct hdmi_context *hdata = connector_to_hdmi(connector);
|
|
struct edid *edid;
|
|
int ret;
|
|
|
|
if (!hdata->ddc_adpt)
|
|
return -ENODEV;
|
|
|
|
edid = drm_get_edid(connector, hdata->ddc_adpt);
|
|
if (!edid)
|
|
return -ENODEV;
|
|
|
|
hdata->dvi_mode = !drm_detect_hdmi_monitor(edid);
|
|
DRM_DEBUG_KMS("%s : width[%d] x height[%d]\n",
|
|
(hdata->dvi_mode ? "dvi monitor" : "hdmi monitor"),
|
|
edid->width_cm, edid->height_cm);
|
|
|
|
drm_mode_connector_update_edid_property(connector, edid);
|
|
|
|
ret = drm_add_edid_modes(connector, edid);
|
|
|
|
kfree(edid);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int hdmi_find_phy_conf(struct hdmi_context *hdata, u32 pixel_clock)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < hdata->drv_data->phy_conf_count; i++)
|
|
if (hdata->drv_data->phy_confs[i].pixel_clock == pixel_clock)
|
|
return i;
|
|
|
|
DRM_DEBUG_KMS("Could not find phy config for %d\n", pixel_clock);
|
|
return -EINVAL;
|
|
}
|
|
|
|
static int hdmi_mode_valid(struct drm_connector *connector,
|
|
struct drm_display_mode *mode)
|
|
{
|
|
struct hdmi_context *hdata = connector_to_hdmi(connector);
|
|
int ret;
|
|
|
|
DRM_DEBUG_KMS("xres=%d, yres=%d, refresh=%d, intl=%d clock=%d\n",
|
|
mode->hdisplay, mode->vdisplay, mode->vrefresh,
|
|
(mode->flags & DRM_MODE_FLAG_INTERLACE) ? true :
|
|
false, mode->clock * 1000);
|
|
|
|
ret = hdmi_find_phy_conf(hdata, mode->clock * 1000);
|
|
if (ret < 0)
|
|
return MODE_BAD;
|
|
|
|
return MODE_OK;
|
|
}
|
|
|
|
static struct drm_encoder *hdmi_best_encoder(struct drm_connector *connector)
|
|
{
|
|
struct hdmi_context *hdata = connector_to_hdmi(connector);
|
|
|
|
return &hdata->encoder;
|
|
}
|
|
|
|
static struct drm_connector_helper_funcs hdmi_connector_helper_funcs = {
|
|
.get_modes = hdmi_get_modes,
|
|
.mode_valid = hdmi_mode_valid,
|
|
.best_encoder = hdmi_best_encoder,
|
|
};
|
|
|
|
static int hdmi_create_connector(struct drm_encoder *encoder)
|
|
{
|
|
struct hdmi_context *hdata = encoder_to_hdmi(encoder);
|
|
struct drm_connector *connector = &hdata->connector;
|
|
int ret;
|
|
|
|
connector->interlace_allowed = true;
|
|
connector->polled = DRM_CONNECTOR_POLL_HPD;
|
|
|
|
ret = drm_connector_init(hdata->drm_dev, connector,
|
|
&hdmi_connector_funcs, DRM_MODE_CONNECTOR_HDMIA);
|
|
if (ret) {
|
|
DRM_ERROR("Failed to initialize connector with drm\n");
|
|
return ret;
|
|
}
|
|
|
|
drm_connector_helper_add(connector, &hdmi_connector_helper_funcs);
|
|
drm_connector_register(connector);
|
|
drm_mode_connector_attach_encoder(connector, encoder);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static bool hdmi_mode_fixup(struct drm_encoder *encoder,
|
|
const struct drm_display_mode *mode,
|
|
struct drm_display_mode *adjusted_mode)
|
|
{
|
|
struct drm_device *dev = encoder->dev;
|
|
struct drm_connector *connector;
|
|
struct drm_display_mode *m;
|
|
int mode_ok;
|
|
|
|
drm_mode_set_crtcinfo(adjusted_mode, 0);
|
|
|
|
list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
|
|
if (connector->encoder == encoder)
|
|
break;
|
|
}
|
|
|
|
if (connector->encoder != encoder)
|
|
return true;
|
|
|
|
mode_ok = hdmi_mode_valid(connector, adjusted_mode);
|
|
|
|
/* just return if user desired mode exists. */
|
|
if (mode_ok == MODE_OK)
|
|
return true;
|
|
|
|
/*
|
|
* otherwise, find the most suitable mode among modes and change it
|
|
* to adjusted_mode.
|
|
*/
|
|
list_for_each_entry(m, &connector->modes, head) {
|
|
mode_ok = hdmi_mode_valid(connector, m);
|
|
|
|
if (mode_ok == MODE_OK) {
|
|
DRM_INFO("desired mode doesn't exist so\n");
|
|
DRM_INFO("use the most suitable mode among modes.\n");
|
|
|
|
DRM_DEBUG_KMS("Adjusted Mode: [%d]x[%d] [%d]Hz\n",
|
|
m->hdisplay, m->vdisplay, m->vrefresh);
|
|
|
|
drm_mode_copy(adjusted_mode, m);
|
|
break;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
static void hdmi_reg_acr(struct hdmi_context *hdata, u32 freq)
|
|
{
|
|
u32 n, cts;
|
|
|
|
cts = (freq % 9) ? 27000 : 30000;
|
|
n = 128 * freq / (27000000 / cts);
|
|
|
|
hdmi_reg_writev(hdata, HDMI_ACR_N0, 3, n);
|
|
hdmi_reg_writev(hdata, HDMI_ACR_MCTS0, 3, cts);
|
|
hdmi_reg_writev(hdata, HDMI_ACR_CTS0, 3, cts);
|
|
hdmi_reg_writeb(hdata, HDMI_ACR_CON, 4);
|
|
}
|
|
|
|
static void hdmi_audio_init(struct hdmi_context *hdata)
|
|
{
|
|
u32 sample_rate, bits_per_sample;
|
|
u32 data_num, bit_ch, sample_frq;
|
|
u32 val;
|
|
|
|
sample_rate = 44100;
|
|
bits_per_sample = 16;
|
|
|
|
switch (bits_per_sample) {
|
|
case 20:
|
|
data_num = 2;
|
|
bit_ch = 1;
|
|
break;
|
|
case 24:
|
|
data_num = 3;
|
|
bit_ch = 1;
|
|
break;
|
|
default:
|
|
data_num = 1;
|
|
bit_ch = 0;
|
|
break;
|
|
}
|
|
|
|
hdmi_reg_acr(hdata, sample_rate);
|
|
|
|
hdmi_reg_writeb(hdata, HDMI_I2S_MUX_CON, HDMI_I2S_IN_DISABLE
|
|
| HDMI_I2S_AUD_I2S | HDMI_I2S_CUV_I2S_ENABLE
|
|
| HDMI_I2S_MUX_ENABLE);
|
|
|
|
hdmi_reg_writeb(hdata, HDMI_I2S_MUX_CH, HDMI_I2S_CH0_EN
|
|
| HDMI_I2S_CH1_EN | HDMI_I2S_CH2_EN);
|
|
|
|
hdmi_reg_writeb(hdata, HDMI_I2S_MUX_CUV, HDMI_I2S_CUV_RL_EN);
|
|
|
|
sample_frq = (sample_rate == 44100) ? 0 :
|
|
(sample_rate == 48000) ? 2 :
|
|
(sample_rate == 32000) ? 3 :
|
|
(sample_rate == 96000) ? 0xa : 0x0;
|
|
|
|
hdmi_reg_writeb(hdata, HDMI_I2S_CLK_CON, HDMI_I2S_CLK_DIS);
|
|
hdmi_reg_writeb(hdata, HDMI_I2S_CLK_CON, HDMI_I2S_CLK_EN);
|
|
|
|
val = hdmi_reg_read(hdata, HDMI_I2S_DSD_CON) | 0x01;
|
|
hdmi_reg_writeb(hdata, HDMI_I2S_DSD_CON, val);
|
|
|
|
/* Configuration I2S input ports. Configure I2S_PIN_SEL_0~4 */
|
|
hdmi_reg_writeb(hdata, HDMI_I2S_PIN_SEL_0, HDMI_I2S_SEL_SCLK(5)
|
|
| HDMI_I2S_SEL_LRCK(6));
|
|
hdmi_reg_writeb(hdata, HDMI_I2S_PIN_SEL_1, HDMI_I2S_SEL_SDATA1(1)
|
|
| HDMI_I2S_SEL_SDATA2(4));
|
|
hdmi_reg_writeb(hdata, HDMI_I2S_PIN_SEL_2, HDMI_I2S_SEL_SDATA3(1)
|
|
| HDMI_I2S_SEL_SDATA2(2));
|
|
hdmi_reg_writeb(hdata, HDMI_I2S_PIN_SEL_3, HDMI_I2S_SEL_DSD(0));
|
|
|
|
/* I2S_CON_1 & 2 */
|
|
hdmi_reg_writeb(hdata, HDMI_I2S_CON_1, HDMI_I2S_SCLK_FALLING_EDGE
|
|
| HDMI_I2S_L_CH_LOW_POL);
|
|
hdmi_reg_writeb(hdata, HDMI_I2S_CON_2, HDMI_I2S_MSB_FIRST_MODE
|
|
| HDMI_I2S_SET_BIT_CH(bit_ch)
|
|
| HDMI_I2S_SET_SDATA_BIT(data_num)
|
|
| HDMI_I2S_BASIC_FORMAT);
|
|
|
|
/* Configure register related to CUV information */
|
|
hdmi_reg_writeb(hdata, HDMI_I2S_CH_ST_0, HDMI_I2S_CH_STATUS_MODE_0
|
|
| HDMI_I2S_2AUD_CH_WITHOUT_PREEMPH
|
|
| HDMI_I2S_COPYRIGHT
|
|
| HDMI_I2S_LINEAR_PCM
|
|
| HDMI_I2S_CONSUMER_FORMAT);
|
|
hdmi_reg_writeb(hdata, HDMI_I2S_CH_ST_1, HDMI_I2S_CD_PLAYER);
|
|
hdmi_reg_writeb(hdata, HDMI_I2S_CH_ST_2, HDMI_I2S_SET_SOURCE_NUM(0));
|
|
hdmi_reg_writeb(hdata, HDMI_I2S_CH_ST_3, HDMI_I2S_CLK_ACCUR_LEVEL_2
|
|
| HDMI_I2S_SET_SMP_FREQ(sample_frq));
|
|
hdmi_reg_writeb(hdata, HDMI_I2S_CH_ST_4,
|
|
HDMI_I2S_ORG_SMP_FREQ_44_1
|
|
| HDMI_I2S_WORD_LEN_MAX24_24BITS
|
|
| HDMI_I2S_WORD_LEN_MAX_24BITS);
|
|
|
|
hdmi_reg_writeb(hdata, HDMI_I2S_CH_ST_CON, HDMI_I2S_CH_STATUS_RELOAD);
|
|
}
|
|
|
|
static void hdmi_audio_control(struct hdmi_context *hdata, bool onoff)
|
|
{
|
|
if (hdata->dvi_mode)
|
|
return;
|
|
|
|
hdmi_reg_writeb(hdata, HDMI_AUI_CON, onoff ? 2 : 0);
|
|
hdmi_reg_writemask(hdata, HDMI_CON_0, onoff ?
|
|
HDMI_ASP_EN : HDMI_ASP_DIS, HDMI_ASP_MASK);
|
|
}
|
|
|
|
static void hdmi_start(struct hdmi_context *hdata, bool start)
|
|
{
|
|
u32 val = start ? HDMI_TG_EN : 0;
|
|
|
|
if (hdata->current_mode.flags & DRM_MODE_FLAG_INTERLACE)
|
|
val |= HDMI_FIELD_EN;
|
|
|
|
hdmi_reg_writemask(hdata, HDMI_CON_0, val, HDMI_EN);
|
|
hdmi_reg_writemask(hdata, HDMI_TG_CMD, val, HDMI_TG_EN | HDMI_FIELD_EN);
|
|
}
|
|
|
|
static void hdmi_conf_init(struct hdmi_context *hdata)
|
|
{
|
|
union hdmi_infoframe infoframe;
|
|
|
|
/* disable HPD interrupts from HDMI IP block, use GPIO instead */
|
|
hdmi_reg_writemask(hdata, HDMI_INTC_CON, 0, HDMI_INTC_EN_GLOBAL |
|
|
HDMI_INTC_EN_HPD_PLUG | HDMI_INTC_EN_HPD_UNPLUG);
|
|
|
|
/* choose HDMI mode */
|
|
hdmi_reg_writemask(hdata, HDMI_MODE_SEL,
|
|
HDMI_MODE_HDMI_EN, HDMI_MODE_MASK);
|
|
/* Apply Video preable and Guard band in HDMI mode only */
|
|
hdmi_reg_writeb(hdata, HDMI_CON_2, 0);
|
|
/* disable bluescreen */
|
|
hdmi_reg_writemask(hdata, HDMI_CON_0, 0, HDMI_BLUE_SCR_EN);
|
|
|
|
if (hdata->dvi_mode) {
|
|
/* choose DVI mode */
|
|
hdmi_reg_writemask(hdata, HDMI_MODE_SEL,
|
|
HDMI_MODE_DVI_EN, HDMI_MODE_MASK);
|
|
hdmi_reg_writeb(hdata, HDMI_CON_2,
|
|
HDMI_VID_PREAMBLE_DIS | HDMI_GUARD_BAND_DIS);
|
|
}
|
|
|
|
if (hdata->drv_data->type == HDMI_TYPE13) {
|
|
/* choose bluescreen (fecal) color */
|
|
hdmi_reg_writeb(hdata, HDMI_V13_BLUE_SCREEN_0, 0x12);
|
|
hdmi_reg_writeb(hdata, HDMI_V13_BLUE_SCREEN_1, 0x34);
|
|
hdmi_reg_writeb(hdata, HDMI_V13_BLUE_SCREEN_2, 0x56);
|
|
|
|
/* enable AVI packet every vsync, fixes purple line problem */
|
|
hdmi_reg_writeb(hdata, HDMI_V13_AVI_CON, 0x02);
|
|
/* force RGB, look to CEA-861-D, table 7 for more detail */
|
|
hdmi_reg_writeb(hdata, HDMI_V13_AVI_BYTE(0), 0 << 5);
|
|
hdmi_reg_writemask(hdata, HDMI_CON_1, 0x10 << 5, 0x11 << 5);
|
|
|
|
hdmi_reg_writeb(hdata, HDMI_V13_SPD_CON, 0x02);
|
|
hdmi_reg_writeb(hdata, HDMI_V13_AUI_CON, 0x02);
|
|
hdmi_reg_writeb(hdata, HDMI_V13_ACR_CON, 0x04);
|
|
} else {
|
|
infoframe.any.type = HDMI_INFOFRAME_TYPE_AVI;
|
|
infoframe.any.version = HDMI_AVI_VERSION;
|
|
infoframe.any.length = HDMI_AVI_LENGTH;
|
|
hdmi_reg_infoframe(hdata, &infoframe);
|
|
|
|
infoframe.any.type = HDMI_INFOFRAME_TYPE_AUDIO;
|
|
infoframe.any.version = HDMI_AUI_VERSION;
|
|
infoframe.any.length = HDMI_AUI_LENGTH;
|
|
hdmi_reg_infoframe(hdata, &infoframe);
|
|
|
|
/* enable AVI packet every vsync, fixes purple line problem */
|
|
hdmi_reg_writemask(hdata, HDMI_CON_1, 2, 3 << 5);
|
|
}
|
|
}
|
|
|
|
static void hdmiphy_wait_for_pll(struct hdmi_context *hdata)
|
|
{
|
|
int tries;
|
|
|
|
for (tries = 0; tries < 10; ++tries) {
|
|
u32 val = hdmi_reg_read(hdata, HDMI_PHY_STATUS);
|
|
|
|
if (val & HDMI_PHY_STATUS_READY) {
|
|
DRM_DEBUG_KMS("PLL stabilized after %d tries\n", tries);
|
|
return;
|
|
}
|
|
usleep_range(10, 20);
|
|
}
|
|
|
|
DRM_ERROR("PLL could not reach steady state\n");
|
|
}
|
|
|
|
static void hdmi_v13_mode_apply(struct hdmi_context *hdata)
|
|
{
|
|
struct drm_display_mode *m = &hdata->current_mode;
|
|
unsigned int val;
|
|
|
|
hdmi_reg_writev(hdata, HDMI_H_BLANK_0, 2, m->htotal - m->hdisplay);
|
|
hdmi_reg_writev(hdata, HDMI_V13_H_V_LINE_0, 3,
|
|
(m->htotal << 12) | m->vtotal);
|
|
|
|
val = (m->flags & DRM_MODE_FLAG_NVSYNC) ? 1 : 0;
|
|
hdmi_reg_writev(hdata, HDMI_VSYNC_POL, 1, val);
|
|
|
|
val = (m->flags & DRM_MODE_FLAG_INTERLACE) ? 1 : 0;
|
|
hdmi_reg_writev(hdata, HDMI_INT_PRO_MODE, 1, val);
|
|
|
|
val = (m->hsync_start - m->hdisplay - 2);
|
|
val |= ((m->hsync_end - m->hdisplay - 2) << 10);
|
|
val |= ((m->flags & DRM_MODE_FLAG_NHSYNC) ? 1 : 0)<<20;
|
|
hdmi_reg_writev(hdata, HDMI_V13_H_SYNC_GEN_0, 3, val);
|
|
|
|
/*
|
|
* Quirk requirement for exynos HDMI IP design,
|
|
* 2 pixels less than the actual calculation for hsync_start
|
|
* and end.
|
|
*/
|
|
|
|
/* Following values & calculations differ for different type of modes */
|
|
if (m->flags & DRM_MODE_FLAG_INTERLACE) {
|
|
/* Interlaced Mode */
|
|
val = ((m->vsync_end - m->vdisplay) / 2);
|
|
val |= ((m->vsync_start - m->vdisplay) / 2) << 12;
|
|
hdmi_reg_writev(hdata, HDMI_V13_V_SYNC_GEN_1_0, 3, val);
|
|
|
|
val = m->vtotal / 2;
|
|
val |= ((m->vtotal - m->vdisplay) / 2) << 11;
|
|
hdmi_reg_writev(hdata, HDMI_V13_V_BLANK_0, 3, val);
|
|
|
|
val = (m->vtotal +
|
|
((m->vsync_end - m->vsync_start) * 4) + 5) / 2;
|
|
val |= m->vtotal << 11;
|
|
hdmi_reg_writev(hdata, HDMI_V13_V_BLANK_F_0, 3, val);
|
|
|
|
val = ((m->vtotal / 2) + 7);
|
|
val |= ((m->vtotal / 2) + 2) << 12;
|
|
hdmi_reg_writev(hdata, HDMI_V13_V_SYNC_GEN_2_0, 3, val);
|
|
|
|
val = ((m->htotal / 2) + (m->hsync_start - m->hdisplay));
|
|
val |= ((m->htotal / 2) +
|
|
(m->hsync_start - m->hdisplay)) << 12;
|
|
hdmi_reg_writev(hdata, HDMI_V13_V_SYNC_GEN_3_0, 3, val);
|
|
|
|
hdmi_reg_writev(hdata, HDMI_TG_VACT_ST_L, 2,
|
|
(m->vtotal - m->vdisplay) / 2);
|
|
hdmi_reg_writev(hdata, HDMI_TG_VACT_SZ_L, 2, m->vdisplay / 2);
|
|
|
|
hdmi_reg_writev(hdata, HDMI_TG_VACT_ST2_L, 2, 0x249);
|
|
} else {
|
|
/* Progressive Mode */
|
|
|
|
val = m->vtotal;
|
|
val |= (m->vtotal - m->vdisplay) << 11;
|
|
hdmi_reg_writev(hdata, HDMI_V13_V_BLANK_0, 3, val);
|
|
|
|
hdmi_reg_writev(hdata, HDMI_V13_V_BLANK_F_0, 3, 0);
|
|
|
|
val = (m->vsync_end - m->vdisplay);
|
|
val |= ((m->vsync_start - m->vdisplay) << 12);
|
|
hdmi_reg_writev(hdata, HDMI_V13_V_SYNC_GEN_1_0, 3, val);
|
|
|
|
hdmi_reg_writev(hdata, HDMI_V13_V_SYNC_GEN_2_0, 3, 0x1001);
|
|
hdmi_reg_writev(hdata, HDMI_V13_V_SYNC_GEN_3_0, 3, 0x1001);
|
|
hdmi_reg_writev(hdata, HDMI_TG_VACT_ST_L, 2,
|
|
m->vtotal - m->vdisplay);
|
|
hdmi_reg_writev(hdata, HDMI_TG_VACT_SZ_L, 2, m->vdisplay);
|
|
hdmi_reg_writev(hdata, HDMI_TG_VACT_ST2_L, 2, 0x248);
|
|
}
|
|
|
|
/* Timing generator registers */
|
|
hdmi_reg_writev(hdata, HDMI_TG_H_FSZ_L, 2, m->htotal);
|
|
hdmi_reg_writev(hdata, HDMI_TG_HACT_ST_L, 2, m->htotal - m->hdisplay);
|
|
hdmi_reg_writev(hdata, HDMI_TG_HACT_SZ_L, 2, m->hdisplay);
|
|
hdmi_reg_writev(hdata, HDMI_TG_V_FSZ_L, 2, m->vtotal);
|
|
hdmi_reg_writev(hdata, HDMI_TG_VSYNC_L, 2, 0x1);
|
|
hdmi_reg_writev(hdata, HDMI_TG_VSYNC2_L, 2, 0x233);
|
|
hdmi_reg_writev(hdata, HDMI_TG_FIELD_CHG_L, 2, 0x233);
|
|
hdmi_reg_writev(hdata, HDMI_TG_VSYNC_TOP_HDMI_L, 2, 0x1);
|
|
hdmi_reg_writev(hdata, HDMI_TG_VSYNC_BOT_HDMI_L, 2, 0x233);
|
|
hdmi_reg_writev(hdata, HDMI_TG_FIELD_TOP_HDMI_L, 2, 0x1);
|
|
hdmi_reg_writev(hdata, HDMI_TG_FIELD_BOT_HDMI_L, 2, 0x233);
|
|
}
|
|
|
|
static void hdmi_v14_mode_apply(struct hdmi_context *hdata)
|
|
{
|
|
struct drm_display_mode *m = &hdata->current_mode;
|
|
|
|
hdmi_reg_writev(hdata, HDMI_H_BLANK_0, 2, m->htotal - m->hdisplay);
|
|
hdmi_reg_writev(hdata, HDMI_V_LINE_0, 2, m->vtotal);
|
|
hdmi_reg_writev(hdata, HDMI_H_LINE_0, 2, m->htotal);
|
|
hdmi_reg_writev(hdata, HDMI_HSYNC_POL, 1,
|
|
(m->flags & DRM_MODE_FLAG_NHSYNC) ? 1 : 0);
|
|
hdmi_reg_writev(hdata, HDMI_VSYNC_POL, 1,
|
|
(m->flags & DRM_MODE_FLAG_NVSYNC) ? 1 : 0);
|
|
hdmi_reg_writev(hdata, HDMI_INT_PRO_MODE, 1,
|
|
(m->flags & DRM_MODE_FLAG_INTERLACE) ? 1 : 0);
|
|
|
|
/*
|
|
* Quirk requirement for exynos 5 HDMI IP design,
|
|
* 2 pixels less than the actual calculation for hsync_start
|
|
* and end.
|
|
*/
|
|
|
|
/* Following values & calculations differ for different type of modes */
|
|
if (m->flags & DRM_MODE_FLAG_INTERLACE) {
|
|
/* Interlaced Mode */
|
|
hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_BEF_2_0, 2,
|
|
(m->vsync_end - m->vdisplay) / 2);
|
|
hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_BEF_1_0, 2,
|
|
(m->vsync_start - m->vdisplay) / 2);
|
|
hdmi_reg_writev(hdata, HDMI_V2_BLANK_0, 2, m->vtotal / 2);
|
|
hdmi_reg_writev(hdata, HDMI_V1_BLANK_0, 2,
|
|
(m->vtotal - m->vdisplay) / 2);
|
|
hdmi_reg_writev(hdata, HDMI_V_BLANK_F0_0, 2,
|
|
m->vtotal - m->vdisplay / 2);
|
|
hdmi_reg_writev(hdata, HDMI_V_BLANK_F1_0, 2, m->vtotal);
|
|
hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_2_0, 2,
|
|
(m->vtotal / 2) + 7);
|
|
hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_1_0, 2,
|
|
(m->vtotal / 2) + 2);
|
|
hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_PXL_2_0, 2,
|
|
(m->htotal / 2) + (m->hsync_start - m->hdisplay));
|
|
hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_PXL_1_0, 2,
|
|
(m->htotal / 2) + (m->hsync_start - m->hdisplay));
|
|
hdmi_reg_writev(hdata, HDMI_TG_VACT_ST_L, 2,
|
|
(m->vtotal - m->vdisplay) / 2);
|
|
hdmi_reg_writev(hdata, HDMI_TG_VACT_SZ_L, 2, m->vdisplay / 2);
|
|
hdmi_reg_writev(hdata, HDMI_TG_VACT_ST2_L, 2,
|
|
m->vtotal - m->vdisplay / 2);
|
|
hdmi_reg_writev(hdata, HDMI_TG_VSYNC2_L, 2,
|
|
(m->vtotal / 2) + 1);
|
|
hdmi_reg_writev(hdata, HDMI_TG_VSYNC_BOT_HDMI_L, 2,
|
|
(m->vtotal / 2) + 1);
|
|
hdmi_reg_writev(hdata, HDMI_TG_FIELD_BOT_HDMI_L, 2,
|
|
(m->vtotal / 2) + 1);
|
|
hdmi_reg_writev(hdata, HDMI_TG_VACT_ST3_L, 2, 0x0);
|
|
hdmi_reg_writev(hdata, HDMI_TG_VACT_ST4_L, 2, 0x0);
|
|
} else {
|
|
/* Progressive Mode */
|
|
hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_BEF_2_0, 2,
|
|
m->vsync_end - m->vdisplay);
|
|
hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_BEF_1_0, 2,
|
|
m->vsync_start - m->vdisplay);
|
|
hdmi_reg_writev(hdata, HDMI_V2_BLANK_0, 2, m->vtotal);
|
|
hdmi_reg_writev(hdata, HDMI_V1_BLANK_0, 2,
|
|
m->vtotal - m->vdisplay);
|
|
hdmi_reg_writev(hdata, HDMI_V_BLANK_F0_0, 2, 0xffff);
|
|
hdmi_reg_writev(hdata, HDMI_V_BLANK_F1_0, 2, 0xffff);
|
|
hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_2_0, 2, 0xffff);
|
|
hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_1_0, 2, 0xffff);
|
|
hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_PXL_2_0, 2, 0xffff);
|
|
hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_PXL_1_0, 2, 0xffff);
|
|
hdmi_reg_writev(hdata, HDMI_TG_VACT_ST_L, 2,
|
|
m->vtotal - m->vdisplay);
|
|
hdmi_reg_writev(hdata, HDMI_TG_VACT_SZ_L, 2, m->vdisplay);
|
|
hdmi_reg_writev(hdata, HDMI_TG_VACT_ST2_L, 2, 0x248);
|
|
hdmi_reg_writev(hdata, HDMI_TG_VACT_ST3_L, 2, 0x47b);
|
|
hdmi_reg_writev(hdata, HDMI_TG_VACT_ST4_L, 2, 0x6ae);
|
|
hdmi_reg_writev(hdata, HDMI_TG_VSYNC2_L, 2, 0x233);
|
|
hdmi_reg_writev(hdata, HDMI_TG_VSYNC_BOT_HDMI_L, 2, 0x233);
|
|
hdmi_reg_writev(hdata, HDMI_TG_FIELD_BOT_HDMI_L, 2, 0x233);
|
|
}
|
|
|
|
/* Following values & calculations are same irrespective of mode type */
|
|
hdmi_reg_writev(hdata, HDMI_H_SYNC_START_0, 2,
|
|
m->hsync_start - m->hdisplay - 2);
|
|
hdmi_reg_writev(hdata, HDMI_H_SYNC_END_0, 2,
|
|
m->hsync_end - m->hdisplay - 2);
|
|
hdmi_reg_writev(hdata, HDMI_VACT_SPACE_1_0, 2, 0xffff);
|
|
hdmi_reg_writev(hdata, HDMI_VACT_SPACE_2_0, 2, 0xffff);
|
|
hdmi_reg_writev(hdata, HDMI_VACT_SPACE_3_0, 2, 0xffff);
|
|
hdmi_reg_writev(hdata, HDMI_VACT_SPACE_4_0, 2, 0xffff);
|
|
hdmi_reg_writev(hdata, HDMI_VACT_SPACE_5_0, 2, 0xffff);
|
|
hdmi_reg_writev(hdata, HDMI_VACT_SPACE_6_0, 2, 0xffff);
|
|
hdmi_reg_writev(hdata, HDMI_V_BLANK_F2_0, 2, 0xffff);
|
|
hdmi_reg_writev(hdata, HDMI_V_BLANK_F3_0, 2, 0xffff);
|
|
hdmi_reg_writev(hdata, HDMI_V_BLANK_F4_0, 2, 0xffff);
|
|
hdmi_reg_writev(hdata, HDMI_V_BLANK_F5_0, 2, 0xffff);
|
|
hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_3_0, 2, 0xffff);
|
|
hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_4_0, 2, 0xffff);
|
|
hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_5_0, 2, 0xffff);
|
|
hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_6_0, 2, 0xffff);
|
|
hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_PXL_3_0, 2, 0xffff);
|
|
hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_PXL_4_0, 2, 0xffff);
|
|
hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_PXL_5_0, 2, 0xffff);
|
|
hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_PXL_6_0, 2, 0xffff);
|
|
|
|
/* Timing generator registers */
|
|
hdmi_reg_writev(hdata, HDMI_TG_H_FSZ_L, 2, m->htotal);
|
|
hdmi_reg_writev(hdata, HDMI_TG_HACT_ST_L, 2, m->htotal - m->hdisplay);
|
|
hdmi_reg_writev(hdata, HDMI_TG_HACT_SZ_L, 2, m->hdisplay);
|
|
hdmi_reg_writev(hdata, HDMI_TG_V_FSZ_L, 2, m->vtotal);
|
|
hdmi_reg_writev(hdata, HDMI_TG_VSYNC_L, 2, 0x1);
|
|
hdmi_reg_writev(hdata, HDMI_TG_FIELD_CHG_L, 2, 0x233);
|
|
hdmi_reg_writev(hdata, HDMI_TG_VSYNC_TOP_HDMI_L, 2, 0x1);
|
|
hdmi_reg_writev(hdata, HDMI_TG_FIELD_TOP_HDMI_L, 2, 0x1);
|
|
hdmi_reg_writev(hdata, HDMI_TG_3D, 1, 0x0);
|
|
}
|
|
|
|
static void hdmi_mode_apply(struct hdmi_context *hdata)
|
|
{
|
|
if (hdata->drv_data->type == HDMI_TYPE13)
|
|
hdmi_v13_mode_apply(hdata);
|
|
else
|
|
hdmi_v14_mode_apply(hdata);
|
|
|
|
hdmiphy_wait_for_pll(hdata);
|
|
|
|
clk_set_parent(hdata->mout_hdmi, hdata->sclk_hdmiphy);
|
|
|
|
/* enable HDMI and timing generator */
|
|
hdmi_start(hdata, true);
|
|
}
|
|
|
|
static void hdmiphy_conf_reset(struct hdmi_context *hdata)
|
|
{
|
|
clk_set_parent(hdata->mout_hdmi, hdata->sclk_pixel);
|
|
|
|
/* reset hdmiphy */
|
|
hdmi_reg_writemask(hdata, HDMI_PHY_RSTOUT, ~0, HDMI_PHY_SW_RSTOUT);
|
|
usleep_range(10000, 12000);
|
|
hdmi_reg_writemask(hdata, HDMI_PHY_RSTOUT, 0, HDMI_PHY_SW_RSTOUT);
|
|
usleep_range(10000, 12000);
|
|
}
|
|
|
|
static void hdmiphy_conf_apply(struct hdmi_context *hdata)
|
|
{
|
|
int ret;
|
|
int i;
|
|
|
|
/* pixel clock */
|
|
i = hdmi_find_phy_conf(hdata, hdata->current_mode.clock * 1000);
|
|
if (i < 0) {
|
|
DRM_ERROR("failed to find hdmiphy conf\n");
|
|
return;
|
|
}
|
|
|
|
ret = hdmiphy_reg_write_buf(hdata, 0,
|
|
hdata->drv_data->phy_confs[i].conf, 32);
|
|
if (ret) {
|
|
DRM_ERROR("failed to configure hdmiphy\n");
|
|
return;
|
|
}
|
|
|
|
usleep_range(10000, 12000);
|
|
}
|
|
|
|
static void hdmi_conf_apply(struct hdmi_context *hdata)
|
|
{
|
|
hdmiphy_conf_reset(hdata);
|
|
hdmiphy_conf_apply(hdata);
|
|
|
|
hdmi_start(hdata, false);
|
|
hdmi_conf_init(hdata);
|
|
|
|
hdmi_audio_init(hdata);
|
|
|
|
/* setting core registers */
|
|
hdmi_mode_apply(hdata);
|
|
hdmi_audio_control(hdata, true);
|
|
|
|
hdmi_regs_dump(hdata, "start");
|
|
}
|
|
|
|
static void hdmi_mode_set(struct drm_encoder *encoder,
|
|
struct drm_display_mode *mode,
|
|
struct drm_display_mode *adjusted_mode)
|
|
{
|
|
struct hdmi_context *hdata = encoder_to_hdmi(encoder);
|
|
struct drm_display_mode *m = adjusted_mode;
|
|
|
|
DRM_DEBUG_KMS("xres=%d, yres=%d, refresh=%d, intl=%s\n",
|
|
m->hdisplay, m->vdisplay,
|
|
m->vrefresh, (m->flags & DRM_MODE_FLAG_INTERLACE) ?
|
|
"INTERLACED" : "PROGRESSIVE");
|
|
|
|
drm_mode_copy(&hdata->current_mode, m);
|
|
hdata->cea_video_id = drm_match_cea_mode(mode);
|
|
}
|
|
|
|
static void hdmi_enable(struct drm_encoder *encoder)
|
|
{
|
|
struct hdmi_context *hdata = encoder_to_hdmi(encoder);
|
|
|
|
if (hdata->powered)
|
|
return;
|
|
|
|
hdata->powered = true;
|
|
|
|
pm_runtime_get_sync(hdata->dev);
|
|
|
|
if (regulator_bulk_enable(ARRAY_SIZE(supply), hdata->regul_bulk))
|
|
DRM_DEBUG_KMS("failed to enable regulator bulk\n");
|
|
|
|
/* set pmu hdmiphy control bit to enable hdmiphy */
|
|
regmap_update_bits(hdata->pmureg, PMU_HDMI_PHY_CONTROL,
|
|
PMU_HDMI_PHY_ENABLE_BIT, 1);
|
|
|
|
clk_prepare_enable(hdata->hdmi);
|
|
clk_prepare_enable(hdata->sclk_hdmi);
|
|
|
|
hdmi_conf_apply(hdata);
|
|
}
|
|
|
|
static void hdmi_disable(struct drm_encoder *encoder)
|
|
{
|
|
struct hdmi_context *hdata = encoder_to_hdmi(encoder);
|
|
struct drm_crtc *crtc = encoder->crtc;
|
|
const struct drm_crtc_helper_funcs *funcs = NULL;
|
|
|
|
if (!hdata->powered)
|
|
return;
|
|
|
|
/*
|
|
* The SFRs of VP and Mixer are updated by Vertical Sync of
|
|
* Timing generator which is a part of HDMI so the sequence
|
|
* to disable TV Subsystem should be as following,
|
|
* VP -> Mixer -> HDMI
|
|
*
|
|
* Below codes will try to disable Mixer and VP(if used)
|
|
* prior to disabling HDMI.
|
|
*/
|
|
if (crtc)
|
|
funcs = crtc->helper_private;
|
|
if (funcs && funcs->disable)
|
|
(*funcs->disable)(crtc);
|
|
|
|
/* HDMI System Disable */
|
|
hdmi_reg_writemask(hdata, HDMI_CON_0, 0, HDMI_EN);
|
|
|
|
cancel_delayed_work(&hdata->hotplug_work);
|
|
|
|
clk_disable_unprepare(hdata->sclk_hdmi);
|
|
clk_disable_unprepare(hdata->hdmi);
|
|
|
|
/* reset pmu hdmiphy control bit to disable hdmiphy */
|
|
regmap_update_bits(hdata->pmureg, PMU_HDMI_PHY_CONTROL,
|
|
PMU_HDMI_PHY_ENABLE_BIT, 0);
|
|
|
|
regulator_bulk_disable(ARRAY_SIZE(supply), hdata->regul_bulk);
|
|
|
|
pm_runtime_put_sync(hdata->dev);
|
|
|
|
hdata->powered = false;
|
|
}
|
|
|
|
static struct drm_encoder_helper_funcs exynos_hdmi_encoder_helper_funcs = {
|
|
.mode_fixup = hdmi_mode_fixup,
|
|
.mode_set = hdmi_mode_set,
|
|
.enable = hdmi_enable,
|
|
.disable = hdmi_disable,
|
|
};
|
|
|
|
static struct drm_encoder_funcs exynos_hdmi_encoder_funcs = {
|
|
.destroy = drm_encoder_cleanup,
|
|
};
|
|
|
|
static void hdmi_hotplug_work_func(struct work_struct *work)
|
|
{
|
|
struct hdmi_context *hdata;
|
|
|
|
hdata = container_of(work, struct hdmi_context, hotplug_work.work);
|
|
|
|
if (hdata->drm_dev)
|
|
drm_helper_hpd_irq_event(hdata->drm_dev);
|
|
}
|
|
|
|
static irqreturn_t hdmi_irq_thread(int irq, void *arg)
|
|
{
|
|
struct hdmi_context *hdata = arg;
|
|
|
|
mod_delayed_work(system_wq, &hdata->hotplug_work,
|
|
msecs_to_jiffies(HOTPLUG_DEBOUNCE_MS));
|
|
|
|
return IRQ_HANDLED;
|
|
}
|
|
|
|
static int hdmi_resources_init(struct hdmi_context *hdata)
|
|
{
|
|
struct device *dev = hdata->dev;
|
|
int i, ret;
|
|
|
|
DRM_DEBUG_KMS("HDMI resource init\n");
|
|
|
|
hdata->hpd_gpio = devm_gpiod_get(dev, "hpd", GPIOD_IN);
|
|
if (IS_ERR(hdata->hpd_gpio)) {
|
|
DRM_ERROR("cannot get hpd gpio property\n");
|
|
return PTR_ERR(hdata->hpd_gpio);
|
|
}
|
|
|
|
hdata->irq = gpiod_to_irq(hdata->hpd_gpio);
|
|
if (hdata->irq < 0) {
|
|
DRM_ERROR("failed to get GPIO irq\n");
|
|
return hdata->irq;
|
|
}
|
|
/* get clocks, power */
|
|
hdata->hdmi = devm_clk_get(dev, "hdmi");
|
|
if (IS_ERR(hdata->hdmi)) {
|
|
DRM_ERROR("failed to get clock 'hdmi'\n");
|
|
ret = PTR_ERR(hdata->hdmi);
|
|
goto fail;
|
|
}
|
|
hdata->sclk_hdmi = devm_clk_get(dev, "sclk_hdmi");
|
|
if (IS_ERR(hdata->sclk_hdmi)) {
|
|
DRM_ERROR("failed to get clock 'sclk_hdmi'\n");
|
|
ret = PTR_ERR(hdata->sclk_hdmi);
|
|
goto fail;
|
|
}
|
|
hdata->sclk_pixel = devm_clk_get(dev, "sclk_pixel");
|
|
if (IS_ERR(hdata->sclk_pixel)) {
|
|
DRM_ERROR("failed to get clock 'sclk_pixel'\n");
|
|
ret = PTR_ERR(hdata->sclk_pixel);
|
|
goto fail;
|
|
}
|
|
hdata->sclk_hdmiphy = devm_clk_get(dev, "sclk_hdmiphy");
|
|
if (IS_ERR(hdata->sclk_hdmiphy)) {
|
|
DRM_ERROR("failed to get clock 'sclk_hdmiphy'\n");
|
|
ret = PTR_ERR(hdata->sclk_hdmiphy);
|
|
goto fail;
|
|
}
|
|
hdata->mout_hdmi = devm_clk_get(dev, "mout_hdmi");
|
|
if (IS_ERR(hdata->mout_hdmi)) {
|
|
DRM_ERROR("failed to get clock 'mout_hdmi'\n");
|
|
ret = PTR_ERR(hdata->mout_hdmi);
|
|
goto fail;
|
|
}
|
|
|
|
clk_set_parent(hdata->mout_hdmi, hdata->sclk_pixel);
|
|
|
|
for (i = 0; i < ARRAY_SIZE(supply); ++i) {
|
|
hdata->regul_bulk[i].supply = supply[i];
|
|
hdata->regul_bulk[i].consumer = NULL;
|
|
}
|
|
ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(supply), hdata->regul_bulk);
|
|
if (ret) {
|
|
DRM_ERROR("failed to get regulators\n");
|
|
return ret;
|
|
}
|
|
|
|
hdata->reg_hdmi_en = devm_regulator_get_optional(dev, "hdmi-en");
|
|
|
|
if (PTR_ERR(hdata->reg_hdmi_en) == -ENODEV)
|
|
return 0;
|
|
|
|
if (IS_ERR(hdata->reg_hdmi_en))
|
|
return PTR_ERR(hdata->reg_hdmi_en);
|
|
|
|
ret = regulator_enable(hdata->reg_hdmi_en);
|
|
if (ret)
|
|
DRM_ERROR("failed to enable hdmi-en regulator\n");
|
|
|
|
return ret;
|
|
fail:
|
|
DRM_ERROR("HDMI resource init - failed\n");
|
|
return ret;
|
|
}
|
|
|
|
static struct of_device_id hdmi_match_types[] = {
|
|
{
|
|
.compatible = "samsung,exynos4210-hdmi",
|
|
.data = &exynos4210_hdmi_driver_data,
|
|
}, {
|
|
.compatible = "samsung,exynos4212-hdmi",
|
|
.data = &exynos4212_hdmi_driver_data,
|
|
}, {
|
|
.compatible = "samsung,exynos5420-hdmi",
|
|
.data = &exynos5420_hdmi_driver_data,
|
|
}, {
|
|
/* end node */
|
|
}
|
|
};
|
|
MODULE_DEVICE_TABLE (of, hdmi_match_types);
|
|
|
|
static int hdmi_bind(struct device *dev, struct device *master, void *data)
|
|
{
|
|
struct drm_device *drm_dev = data;
|
|
struct hdmi_context *hdata = dev_get_drvdata(dev);
|
|
struct drm_encoder *encoder = &hdata->encoder;
|
|
int ret, pipe;
|
|
|
|
hdata->drm_dev = drm_dev;
|
|
|
|
pipe = exynos_drm_crtc_get_pipe_from_type(drm_dev,
|
|
EXYNOS_DISPLAY_TYPE_HDMI);
|
|
if (pipe < 0)
|
|
return pipe;
|
|
|
|
encoder->possible_crtcs = 1 << pipe;
|
|
|
|
DRM_DEBUG_KMS("possible_crtcs = 0x%x\n", encoder->possible_crtcs);
|
|
|
|
drm_encoder_init(drm_dev, encoder, &exynos_hdmi_encoder_funcs,
|
|
DRM_MODE_ENCODER_TMDS);
|
|
|
|
drm_encoder_helper_add(encoder, &exynos_hdmi_encoder_helper_funcs);
|
|
|
|
ret = hdmi_create_connector(encoder);
|
|
if (ret) {
|
|
DRM_ERROR("failed to create connector ret = %d\n", ret);
|
|
drm_encoder_cleanup(encoder);
|
|
return ret;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void hdmi_unbind(struct device *dev, struct device *master, void *data)
|
|
{
|
|
}
|
|
|
|
static const struct component_ops hdmi_component_ops = {
|
|
.bind = hdmi_bind,
|
|
.unbind = hdmi_unbind,
|
|
};
|
|
|
|
static struct device_node *hdmi_legacy_ddc_dt_binding(struct device *dev)
|
|
{
|
|
const char *compatible_str = "samsung,exynos4210-hdmiddc";
|
|
struct device_node *np;
|
|
|
|
np = of_find_compatible_node(NULL, NULL, compatible_str);
|
|
if (np)
|
|
return of_get_next_parent(np);
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static struct device_node *hdmi_legacy_phy_dt_binding(struct device *dev)
|
|
{
|
|
const char *compatible_str = "samsung,exynos4212-hdmiphy";
|
|
|
|
return of_find_compatible_node(NULL, NULL, compatible_str);
|
|
}
|
|
|
|
static int hdmi_probe(struct platform_device *pdev)
|
|
{
|
|
struct device_node *ddc_node, *phy_node;
|
|
const struct of_device_id *match;
|
|
struct device *dev = &pdev->dev;
|
|
struct hdmi_context *hdata;
|
|
struct resource *res;
|
|
int ret;
|
|
|
|
hdata = devm_kzalloc(dev, sizeof(struct hdmi_context), GFP_KERNEL);
|
|
if (!hdata)
|
|
return -ENOMEM;
|
|
|
|
match = of_match_device(hdmi_match_types, dev);
|
|
if (!match)
|
|
return -ENODEV;
|
|
|
|
hdata->drv_data = match->data;
|
|
|
|
platform_set_drvdata(pdev, hdata);
|
|
|
|
hdata->dev = dev;
|
|
|
|
ret = hdmi_resources_init(hdata);
|
|
if (ret) {
|
|
DRM_ERROR("hdmi_resources_init failed\n");
|
|
return ret;
|
|
}
|
|
|
|
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
|
|
hdata->regs = devm_ioremap_resource(dev, res);
|
|
if (IS_ERR(hdata->regs)) {
|
|
ret = PTR_ERR(hdata->regs);
|
|
return ret;
|
|
}
|
|
|
|
ddc_node = hdmi_legacy_ddc_dt_binding(dev);
|
|
if (ddc_node)
|
|
goto out_get_ddc_adpt;
|
|
|
|
/* DDC i2c driver */
|
|
ddc_node = of_parse_phandle(dev->of_node, "ddc", 0);
|
|
if (!ddc_node) {
|
|
DRM_ERROR("Failed to find ddc node in device tree\n");
|
|
return -ENODEV;
|
|
}
|
|
|
|
out_get_ddc_adpt:
|
|
hdata->ddc_adpt = of_find_i2c_adapter_by_node(ddc_node);
|
|
if (!hdata->ddc_adpt) {
|
|
DRM_ERROR("Failed to get ddc i2c adapter by node\n");
|
|
return -EPROBE_DEFER;
|
|
}
|
|
|
|
phy_node = hdmi_legacy_phy_dt_binding(dev);
|
|
if (phy_node)
|
|
goto out_get_phy_port;
|
|
|
|
/* hdmiphy i2c driver */
|
|
phy_node = of_parse_phandle(dev->of_node, "phy", 0);
|
|
if (!phy_node) {
|
|
DRM_ERROR("Failed to find hdmiphy node in device tree\n");
|
|
ret = -ENODEV;
|
|
goto err_ddc;
|
|
}
|
|
|
|
out_get_phy_port:
|
|
if (hdata->drv_data->is_apb_phy) {
|
|
hdata->regs_hdmiphy = of_iomap(phy_node, 0);
|
|
if (!hdata->regs_hdmiphy) {
|
|
DRM_ERROR("failed to ioremap hdmi phy\n");
|
|
ret = -ENOMEM;
|
|
goto err_ddc;
|
|
}
|
|
} else {
|
|
hdata->hdmiphy_port = of_find_i2c_device_by_node(phy_node);
|
|
if (!hdata->hdmiphy_port) {
|
|
DRM_ERROR("Failed to get hdmi phy i2c client\n");
|
|
ret = -EPROBE_DEFER;
|
|
goto err_ddc;
|
|
}
|
|
}
|
|
|
|
INIT_DELAYED_WORK(&hdata->hotplug_work, hdmi_hotplug_work_func);
|
|
|
|
ret = devm_request_threaded_irq(dev, hdata->irq, NULL,
|
|
hdmi_irq_thread, IRQF_TRIGGER_RISING |
|
|
IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
|
|
"hdmi", hdata);
|
|
if (ret) {
|
|
DRM_ERROR("failed to register hdmi interrupt\n");
|
|
goto err_hdmiphy;
|
|
}
|
|
|
|
hdata->pmureg = syscon_regmap_lookup_by_phandle(dev->of_node,
|
|
"samsung,syscon-phandle");
|
|
if (IS_ERR(hdata->pmureg)) {
|
|
DRM_ERROR("syscon regmap lookup failed.\n");
|
|
ret = -EPROBE_DEFER;
|
|
goto err_hdmiphy;
|
|
}
|
|
|
|
pm_runtime_enable(dev);
|
|
|
|
ret = component_add(&pdev->dev, &hdmi_component_ops);
|
|
if (ret)
|
|
goto err_disable_pm_runtime;
|
|
|
|
return ret;
|
|
|
|
err_disable_pm_runtime:
|
|
pm_runtime_disable(dev);
|
|
|
|
err_hdmiphy:
|
|
if (hdata->hdmiphy_port)
|
|
put_device(&hdata->hdmiphy_port->dev);
|
|
err_ddc:
|
|
put_device(&hdata->ddc_adpt->dev);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int hdmi_remove(struct platform_device *pdev)
|
|
{
|
|
struct hdmi_context *hdata = platform_get_drvdata(pdev);
|
|
|
|
cancel_delayed_work_sync(&hdata->hotplug_work);
|
|
|
|
component_del(&pdev->dev, &hdmi_component_ops);
|
|
|
|
pm_runtime_disable(&pdev->dev);
|
|
|
|
if (!IS_ERR(hdata->reg_hdmi_en))
|
|
regulator_disable(hdata->reg_hdmi_en);
|
|
|
|
if (hdata->hdmiphy_port)
|
|
put_device(&hdata->hdmiphy_port->dev);
|
|
|
|
put_device(&hdata->ddc_adpt->dev);
|
|
|
|
return 0;
|
|
}
|
|
|
|
struct platform_driver hdmi_driver = {
|
|
.probe = hdmi_probe,
|
|
.remove = hdmi_remove,
|
|
.driver = {
|
|
.name = "exynos-hdmi",
|
|
.owner = THIS_MODULE,
|
|
.of_match_table = hdmi_match_types,
|
|
},
|
|
};
|