| // SPDX-License-Identifier: GPL-2.0-or-later |
| /* |
| * Copyright (C) 2011 Samsung Electronics Co.Ltd |
| * Authors: |
| * Seung-Woo Kim <sw0312.kim@samsung.com> |
| * Inki Dae <inki.dae@samsung.com> |
| * Joonyoung Shim <jy0922.shim@samsung.com> |
| * |
| * Based on drivers/media/video/s5p-tv/hdmi_drv.c |
| */ |
| |
| #include <drm/exynos_drm.h> |
| #include <linux/clk.h> |
| #include <linux/component.h> |
| #include <linux/delay.h> |
| #include <linux/gpio/consumer.h> |
| #include <linux/hdmi.h> |
| #include <linux/i2c.h> |
| #include <linux/interrupt.h> |
| #include <linux/io.h> |
| #include <linux/irq.h> |
| #include <linux/kernel.h> |
| #include <linux/mfd/syscon.h> |
| #include <linux/of.h> |
| #include <linux/of_address.h> |
| #include <linux/of_graph.h> |
| #include <linux/platform_device.h> |
| #include <linux/pm_runtime.h> |
| #include <linux/regmap.h> |
| #include <linux/regulator/consumer.h> |
| #include <linux/wait.h> |
| |
| #include <sound/hdmi-codec.h> |
| #include <media/cec-notifier.h> |
| |
| #include <drm/drm_atomic_helper.h> |
| #include <drm/drm_bridge.h> |
| #include <drm/drm_edid.h> |
| #include <drm/drm_print.h> |
| #include <drm/drm_probe_helper.h> |
| #include <drm/drm_simple_kms_helper.h> |
| |
| #include "exynos_drm_crtc.h" |
| #include "regs-hdmi.h" |
| |
| #define HOTPLUG_DEBOUNCE_MS 1100 |
| |
| enum hdmi_type { |
| HDMI_TYPE13, |
| HDMI_TYPE14, |
| HDMI_TYPE_COUNT |
| }; |
| |
| #define HDMI_MAPPED_BASE 0xffff0000 |
| |
| enum hdmi_mapped_regs { |
| HDMI_PHY_STATUS = HDMI_MAPPED_BASE, |
| HDMI_PHY_RSTOUT, |
| HDMI_ACR_CON, |
| HDMI_ACR_MCTS0, |
| HDMI_ACR_CTS0, |
| HDMI_ACR_N0 |
| }; |
| |
| static const u32 hdmi_reg_map[][HDMI_TYPE_COUNT] = { |
| { HDMI_V13_PHY_STATUS, HDMI_PHY_STATUS_0 }, |
| { HDMI_V13_PHY_RSTOUT, HDMI_V14_PHY_RSTOUT }, |
| { HDMI_V13_ACR_CON, HDMI_V14_ACR_CON }, |
| { HDMI_V13_ACR_MCTS0, HDMI_V14_ACR_MCTS0 }, |
| { HDMI_V13_ACR_CTS0, HDMI_V14_ACR_CTS0 }, |
| { HDMI_V13_ACR_N0, HDMI_V14_ACR_N0 }, |
| }; |
| |
| static const char * const supply[] = { |
| "vdd", |
| "vdd_osc", |
| "vdd_pll", |
| }; |
| |
| struct hdmiphy_config { |
| int pixel_clock; |
| u8 conf[32]; |
| }; |
| |
| struct hdmiphy_configs { |
| int count; |
| const struct hdmiphy_config *data; |
| }; |
| |
| struct string_array_spec { |
| int count; |
| const char * const *data; |
| }; |
| |
| #define INIT_ARRAY_SPEC(a) { .count = ARRAY_SIZE(a), .data = a } |
| |
| struct hdmi_driver_data { |
| unsigned int type; |
| unsigned int is_apb_phy:1; |
| unsigned int has_sysreg:1; |
| struct hdmiphy_configs phy_confs; |
| struct string_array_spec clk_gates; |
| /* |
| * Array of triplets (p_off, p_on, clock), where p_off and p_on are |
| * required parents of clock when HDMI-PHY is respectively off or on. |
| */ |
| struct string_array_spec clk_muxes; |
| }; |
| |
| struct hdmi_audio { |
| struct platform_device *pdev; |
| struct hdmi_audio_infoframe infoframe; |
| struct hdmi_codec_params params; |
| bool mute; |
| }; |
| |
| struct hdmi_context { |
| struct drm_encoder encoder; |
| struct device *dev; |
| struct drm_device *drm_dev; |
| struct drm_connector connector; |
| bool dvi_mode; |
| struct delayed_work hotplug_work; |
| struct cec_notifier *notifier; |
| const struct hdmi_driver_data *drv_data; |
| |
| void __iomem *regs; |
| void __iomem *regs_hdmiphy; |
| struct i2c_client *hdmiphy_port; |
| struct i2c_adapter *ddc_adpt; |
| struct gpio_desc *hpd_gpio; |
| int irq; |
| struct regmap *pmureg; |
| struct regmap *sysreg; |
| struct clk **clk_gates; |
| struct clk **clk_muxes; |
| struct regulator_bulk_data regul_bulk[ARRAY_SIZE(supply)]; |
| struct regulator *reg_hdmi_en; |
| struct exynos_drm_clk phy_clk; |
| struct drm_bridge *bridge; |
| |
| /* mutex protecting subsequent fields below */ |
| struct mutex mutex; |
| struct hdmi_audio audio; |
| bool powered; |
| }; |
| |
| static inline struct hdmi_context *encoder_to_hdmi(struct drm_encoder *e) |
| { |
| return container_of(e, struct hdmi_context, encoder); |
| } |
| |
| static inline struct hdmi_context *connector_to_hdmi(struct drm_connector *c) |
| { |
| return container_of(c, struct hdmi_context, connector); |
| } |
| |
| static const struct hdmiphy_config hdmiphy_v13_configs[] = { |
| { |
| .pixel_clock = 27000000, |
| .conf = { |
| 0x01, 0x05, 0x00, 0xD8, 0x10, 0x1C, 0x30, 0x40, |
| 0x6B, 0x10, 0x02, 0x51, 0xDF, 0xF2, 0x54, 0x87, |
| 0x84, 0x00, 0x30, 0x38, 0x00, 0x08, 0x10, 0xE0, |
| 0x22, 0x40, 0xE3, 0x26, 0x00, 0x00, 0x00, 0x80, |
| }, |
| }, |
| { |
| .pixel_clock = 27027000, |
| .conf = { |
| 0x01, 0x05, 0x00, 0xD4, 0x10, 0x9C, 0x09, 0x64, |
| 0x6B, 0x10, 0x02, 0x51, 0xDF, 0xF2, 0x54, 0x87, |
| 0x84, 0x00, 0x30, 0x38, 0x00, 0x08, 0x10, 0xE0, |
| 0x22, 0x40, 0xE3, 0x26, 0x00, 0x00, 0x00, 0x80, |
| }, |
| }, |
| { |
| .pixel_clock = 74176000, |
| .conf = { |
| 0x01, 0x05, 0x00, 0xD8, 0x10, 0x9C, 0xef, 0x5B, |
| 0x6D, 0x10, 0x01, 0x51, 0xef, 0xF3, 0x54, 0xb9, |
| 0x84, 0x00, 0x30, 0x38, 0x00, 0x08, 0x10, 0xE0, |
| 0x22, 0x40, 0xa5, 0x26, 0x01, 0x00, 0x00, 0x80, |
| }, |
| }, |
| { |
| .pixel_clock = 74250000, |
| .conf = { |
| 0x01, 0x05, 0x00, 0xd8, 0x10, 0x9c, 0xf8, 0x40, |
| 0x6a, 0x10, 0x01, 0x51, 0xff, 0xf1, 0x54, 0xba, |
| 0x84, 0x00, 0x10, 0x38, 0x00, 0x08, 0x10, 0xe0, |
| 0x22, 0x40, 0xa4, 0x26, 0x01, 0x00, 0x00, 0x80, |
| }, |
| }, |
| { |
| .pixel_clock = 148500000, |
| .conf = { |
| 0x01, 0x05, 0x00, 0xD8, 0x10, 0x9C, 0xf8, 0x40, |
| 0x6A, 0x18, 0x00, 0x51, 0xff, 0xF1, 0x54, 0xba, |
| 0x84, 0x00, 0x10, 0x38, 0x00, 0x08, 0x10, 0xE0, |
| 0x22, 0x40, 0xa4, 0x26, 0x02, 0x00, 0x00, 0x80, |
| }, |
| }, |
| }; |
| |
| static const struct hdmiphy_config hdmiphy_v14_configs[] = { |
| { |
| .pixel_clock = 25200000, |
| .conf = { |
| 0x01, 0x51, 0x2A, 0x75, 0x40, 0x01, 0x00, 0x08, |
| 0x82, 0x80, 0xfc, 0xd8, 0x45, 0xa0, 0xac, 0x80, |
| 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86, |
| 0x54, 0xf4, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80, |
| }, |
| }, |
| { |
| .pixel_clock = 27000000, |
| .conf = { |
| 0x01, 0xd1, 0x22, 0x51, 0x40, 0x08, 0xfc, 0x20, |
| 0x98, 0xa0, 0xcb, 0xd8, 0x45, 0xa0, 0xac, 0x80, |
| 0x06, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86, |
| 0x54, 0xe4, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80, |
| }, |
| }, |
| { |
| .pixel_clock = 27027000, |
| .conf = { |
| 0x01, 0xd1, 0x2d, 0x72, 0x40, 0x64, 0x12, 0x08, |
| 0x43, 0xa0, 0x0e, 0xd9, 0x45, 0xa0, 0xac, 0x80, |
| 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86, |
| 0x54, 0xe3, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80, |
| }, |
| }, |
| { |
| .pixel_clock = 36000000, |
| .conf = { |
| 0x01, 0x51, 0x2d, 0x55, 0x40, 0x01, 0x00, 0x08, |
| 0x82, 0x80, 0x0e, 0xd9, 0x45, 0xa0, 0xac, 0x80, |
| 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86, |
| 0x54, 0xab, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80, |
| }, |
| }, |
| { |
| .pixel_clock = 40000000, |
| .conf = { |
| 0x01, 0x51, 0x32, 0x55, 0x40, 0x01, 0x00, 0x08, |
| 0x82, 0x80, 0x2c, 0xd9, 0x45, 0xa0, 0xac, 0x80, |
| 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86, |
| 0x54, 0x9a, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80, |
| }, |
| }, |
| { |
| .pixel_clock = 65000000, |
| .conf = { |
| 0x01, 0xd1, 0x36, 0x34, 0x40, 0x1e, 0x0a, 0x08, |
| 0x82, 0xa0, 0x45, 0xd9, 0x45, 0xa0, 0xac, 0x80, |
| 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86, |
| 0x54, 0xbd, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80, |
| }, |
| }, |
| { |
| .pixel_clock = 71000000, |
| .conf = { |
| 0x01, 0xd1, 0x3b, 0x35, 0x40, 0x0c, 0x04, 0x08, |
| 0x85, 0xa0, 0x63, 0xd9, 0x45, 0xa0, 0xac, 0x80, |
| 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86, |
| 0x54, 0xad, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80, |
| }, |
| }, |
| { |
| .pixel_clock = 73250000, |
| .conf = { |
| 0x01, 0xd1, 0x3d, 0x35, 0x40, 0x18, 0x02, 0x08, |
| 0x83, 0xa0, 0x6e, 0xd9, 0x45, 0xa0, 0xac, 0x80, |
| 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86, |
| 0x54, 0xa8, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80, |
| }, |
| }, |
| { |
| .pixel_clock = 74176000, |
| .conf = { |
| 0x01, 0xd1, 0x3e, 0x35, 0x40, 0x5b, 0xde, 0x08, |
| 0x82, 0xa0, 0x73, 0xd9, 0x45, 0xa0, 0xac, 0x80, |
| 0x56, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86, |
| 0x54, 0xa6, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80, |
| }, |
| }, |
| { |
| .pixel_clock = 74250000, |
| .conf = { |
| 0x01, 0xd1, 0x1f, 0x10, 0x40, 0x40, 0xf8, 0x08, |
| 0x81, 0xa0, 0xba, 0xd8, 0x45, 0xa0, 0xac, 0x80, |
| 0x3c, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86, |
| 0x54, 0xa5, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80, |
| }, |
| }, |
| { |
| .pixel_clock = 83500000, |
| .conf = { |
| 0x01, 0xd1, 0x23, 0x11, 0x40, 0x0c, 0xfb, 0x08, |
| 0x85, 0xa0, 0xd1, 0xd8, 0x45, 0xa0, 0xac, 0x80, |
| 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86, |
| 0x54, 0x93, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80, |
| }, |
| }, |
| { |
| .pixel_clock = 85500000, |
| .conf = { |
| 0x01, 0xd1, 0x24, 0x11, 0x40, 0x40, 0xd0, 0x08, |
| 0x84, 0xa0, 0xd6, 0xd8, 0x45, 0xa0, 0xac, 0x80, |
| 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86, |
| 0x54, 0x90, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80, |
| }, |
| }, |
| { |
| .pixel_clock = 106500000, |
| .conf = { |
| 0x01, 0xd1, 0x2c, 0x12, 0x40, 0x0c, 0x09, 0x08, |
| 0x84, 0xa0, 0x0a, 0xd9, 0x45, 0xa0, 0xac, 0x80, |
| 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86, |
| 0x54, 0x73, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80, |
| }, |
| }, |
| { |
| .pixel_clock = 108000000, |
| .conf = { |
| 0x01, 0x51, 0x2d, 0x15, 0x40, 0x01, 0x00, 0x08, |
| 0x82, 0x80, 0x0e, 0xd9, 0x45, 0xa0, 0xac, 0x80, |
| 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86, |
| 0x54, 0xc7, 0x25, 0x03, 0x00, 0x00, 0x01, 0x80, |
| }, |
| }, |
| { |
| .pixel_clock = 115500000, |
| .conf = { |
| 0x01, 0xd1, 0x30, 0x12, 0x40, 0x40, 0x10, 0x08, |
| 0x80, 0x80, 0x21, 0xd9, 0x45, 0xa0, 0xac, 0x80, |
| 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86, |
| 0x54, 0xaa, 0x25, 0x03, 0x00, 0x00, 0x01, 0x80, |
| }, |
| }, |
| { |
| .pixel_clock = 119000000, |
| .conf = { |
| 0x01, 0xd1, 0x32, 0x1a, 0x40, 0x30, 0xd8, 0x08, |
| 0x04, 0xa0, 0x2a, 0xd9, 0x45, 0xa0, 0xac, 0x80, |
| 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86, |
| 0x54, 0x9d, 0x25, 0x03, 0x00, 0x00, 0x01, 0x80, |
| }, |
| }, |
| { |
| .pixel_clock = 146250000, |
| .conf = { |
| 0x01, 0xd1, 0x3d, 0x15, 0x40, 0x18, 0xfd, 0x08, |
| 0x83, 0xa0, 0x6e, 0xd9, 0x45, 0xa0, 0xac, 0x80, |
| 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86, |
| 0x54, 0x50, 0x25, 0x03, 0x00, 0x00, 0x01, 0x80, |
| }, |
| }, |
| { |
| .pixel_clock = 148500000, |
| .conf = { |
| 0x01, 0xd1, 0x1f, 0x00, 0x40, 0x40, 0xf8, 0x08, |
| 0x81, 0xa0, 0xba, 0xd8, 0x45, 0xa0, 0xac, 0x80, |
| 0x3c, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86, |
| 0x54, 0x4b, 0x25, 0x03, 0x00, 0x00, 0x01, 0x80, |
| }, |
| }, |
| }; |
| |
| static const struct hdmiphy_config hdmiphy_5420_configs[] = { |
| { |
| .pixel_clock = 25200000, |
| .conf = { |
| 0x01, 0x52, 0x3F, 0x55, 0x40, 0x01, 0x00, 0xC8, |
| 0x82, 0xC8, 0xBD, 0xD8, 0x45, 0xA0, 0xAC, 0x80, |
| 0x06, 0x80, 0x01, 0x84, 0x05, 0x02, 0x24, 0x66, |
| 0x54, 0xF4, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80, |
| }, |
| }, |
| { |
| .pixel_clock = 27000000, |
| .conf = { |
| 0x01, 0xD1, 0x22, 0x51, 0x40, 0x08, 0xFC, 0xE0, |
| 0x98, 0xE8, 0xCB, 0xD8, 0x45, 0xA0, 0xAC, 0x80, |
| 0x06, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66, |
| 0x54, 0xE4, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80, |
| }, |
| }, |
| { |
| .pixel_clock = 27027000, |
| .conf = { |
| 0x01, 0xD1, 0x2D, 0x72, 0x40, 0x64, 0x12, 0xC8, |
| 0x43, 0xE8, 0x0E, 0xD9, 0x45, 0xA0, 0xAC, 0x80, |
| 0x26, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66, |
| 0x54, 0xE3, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80, |
| }, |
| }, |
| { |
| .pixel_clock = 36000000, |
| .conf = { |
| 0x01, 0x51, 0x2D, 0x55, 0x40, 0x40, 0x00, 0xC8, |
| 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, |
| }, |
| }, |
| { |
| .pixel_clock = 154000000, |
| .conf = { |
| 0x01, 0xD1, 0x20, 0x01, 0x40, 0x30, 0x08, 0xCC, |
| 0x8C, 0xE8, 0xC1, 0xD8, 0x45, 0xA0, 0xAC, 0x80, |
| 0x08, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x86, |
| 0x54, 0x3F, 0x25, 0x03, 0x00, 0x00, 0x01, 0x80, |
| }, |
| }, |
| }; |
| |
| static const struct hdmiphy_config hdmiphy_5433_configs[] = { |
| { |
| .pixel_clock = 27000000, |
| .conf = { |
| 0x01, 0x51, 0x2d, 0x75, 0x01, 0x00, 0x88, 0x02, |
| 0x72, 0x50, 0x44, 0x8c, 0x27, 0x00, 0x7c, 0xac, |
| 0xd6, 0x2b, 0x67, 0x00, 0x00, 0x04, 0x00, 0x30, |
| 0x08, 0x10, 0x01, 0x01, 0x48, 0x40, 0x00, 0x40, |
| }, |
| }, |
| { |
| .pixel_clock = 27027000, |
| .conf = { |
| 0x01, 0x51, 0x2d, 0x72, 0x64, 0x09, 0x88, 0xc3, |
| 0x71, 0x50, 0x44, 0x8c, 0x27, 0x00, 0x7c, 0xac, |
| 0xd6, 0x2b, 0x67, 0x00, 0x00, 0x04, 0x00, 0x30, |
| 0x08, 0x10, 0x01, 0x01, 0x48, 0x40, 0x00, 0x40, |
| }, |
| }, |
| { |
| .pixel_clock = 40000000, |
| .conf = { |
| 0x01, 0x51, 0x32, 0x55, 0x01, 0x00, 0x88, 0x02, |
| 0x4d, 0x50, 0x44, 0x8C, 0x27, 0x00, 0x7C, 0xAC, |
| 0xD6, 0x2B, 0x67, 0x00, 0x00, 0x04, 0x00, 0x30, |
| 0x08, 0x10, 0x01, 0x01, 0x48, 0x40, 0x00, 0x40, |
| }, |
| }, |
| { |
| .pixel_clock = 50000000, |
| .conf = { |
| 0x01, 0x51, 0x34, 0x40, 0x64, 0x09, 0x88, 0xc3, |
| 0x3d, 0x50, 0x44, 0x8C, 0x27, 0x00, 0x7C, 0xAC, |
| 0xD6, 0x2B, 0x67, 0x00, 0x00, 0x04, 0x00, 0x30, |
| 0x08, 0x10, 0x01, 0x01, 0x48, 0x40, 0x00, 0x40, |
| }, |
| }, |
| { |
| .pixel_clock = 65000000, |
| .conf = { |
| 0x01, 0x51, 0x36, 0x31, 0x40, 0x10, 0x04, 0xc6, |
| 0x2e, 0xe8, 0x44, 0x8C, 0x27, 0x00, 0x7C, 0xAC, |
| 0xD6, 0x2B, 0x67, 0x00, 0x00, 0x04, 0x00, 0x30, |
| 0x08, 0x10, 0x01, 0x01, 0x48, 0x40, 0x00, 0x40, |
| }, |
| }, |
| { |
| .pixel_clock = 74176000, |
| .conf = { |
| 0x01, 0x51, 0x3E, 0x35, 0x5B, 0xDE, 0x88, 0x42, |
| 0x53, 0x51, 0x44, 0x8C, 0x27, 0x00, 0x7C, 0xAC, |
| 0xD6, 0x2B, 0x67, 0x00, 0x00, 0x04, 0x00, 0x30, |
| 0x08, 0x10, 0x01, 0x01, 0x48, 0x40, 0x00, 0x40, |
| }, |
| }, |
| { |
| .pixel_clock = 74250000, |
| .conf = { |
| 0x01, 0x51, 0x3E, 0x35, 0x40, 0xF0, 0x88, 0xC2, |
| 0x52, 0x51, 0x44, 0x8C, 0x27, 0x00, 0x7C, 0xAC, |
| 0xD6, 0x2B, 0x67, 0x00, 0x00, 0x04, 0x00, 0x30, |
| 0x08, 0x10, 0x01, 0x01, 0x48, 0x40, 0x00, 0x40, |
| }, |
| }, |
| { |
| .pixel_clock = 108000000, |
| .conf = { |
| 0x01, 0x51, 0x2d, 0x15, 0x01, 0x00, 0x88, 0x02, |
| 0x72, 0x52, 0x44, 0x8C, 0x27, 0x00, 0x7C, 0xAC, |
| 0xD6, 0x2B, 0x67, 0x00, 0x00, 0x04, 0x00, 0x30, |
| 0x08, 0x10, 0x01, 0x01, 0x48, 0x40, 0x00, 0x40, |
| }, |
| }, |
| { |
| .pixel_clock = 148500000, |
| .conf = { |
| 0x01, 0x51, 0x1f, 0x00, 0x40, 0xf8, 0x88, 0xc1, |
| 0x52, 0x52, 0x24, 0x0c, 0x24, 0x0f, 0x7c, 0xa5, |
| 0xd4, 0x2b, 0x87, 0x00, 0x00, 0x04, 0x00, 0x30, |
| 0x08, 0x10, 0x01, 0x01, 0x48, 0x4a, 0x00, 0x40, |
| }, |
| }, |
| { |
| .pixel_clock = 297000000, |
| .conf = { |
| 0x01, 0x51, 0x3E, 0x05, 0x40, 0xF0, 0x88, 0xC2, |
| 0x52, 0x53, 0x44, 0x8C, 0x27, 0x00, 0x7C, 0xAC, |
| 0xD6, 0x2B, 0x67, 0x00, 0x00, 0x04, 0x00, 0x30, |
| 0x08, 0x10, 0x01, 0x01, 0x48, 0x40, 0x00, 0x40, |
| }, |
| }, |
| }; |
| |
| static const char * const hdmi_clk_gates4[] = { |
| "hdmi", "sclk_hdmi" |
| }; |
| |
| static const char * const hdmi_clk_muxes4[] = { |
| "sclk_pixel", "sclk_hdmiphy", "mout_hdmi" |
| }; |
| |
| static const char * const hdmi_clk_gates5433[] = { |
| "hdmi_pclk", "hdmi_i_pclk", "i_tmds_clk", "i_pixel_clk", "i_spdif_clk" |
| }; |
| |
| static const char * const hdmi_clk_muxes5433[] = { |
| "oscclk", "tmds_clko", "tmds_clko_user", |
| "oscclk", "pixel_clko", "pixel_clko_user" |
| }; |
| |
| static const struct hdmi_driver_data exynos4210_hdmi_driver_data = { |
| .type = HDMI_TYPE13, |
| .phy_confs = INIT_ARRAY_SPEC(hdmiphy_v13_configs), |
| .clk_gates = INIT_ARRAY_SPEC(hdmi_clk_gates4), |
| .clk_muxes = INIT_ARRAY_SPEC(hdmi_clk_muxes4), |
| }; |
| |
| static const struct hdmi_driver_data exynos4212_hdmi_driver_data = { |
| .type = HDMI_TYPE14, |
| .phy_confs = INIT_ARRAY_SPEC(hdmiphy_v14_configs), |
| .clk_gates = INIT_ARRAY_SPEC(hdmi_clk_gates4), |
| .clk_muxes = INIT_ARRAY_SPEC(hdmi_clk_muxes4), |
| }; |
| |
| static const struct hdmi_driver_data exynos5420_hdmi_driver_data = { |
| .type = HDMI_TYPE14, |
| .is_apb_phy = 1, |
| .phy_confs = INIT_ARRAY_SPEC(hdmiphy_5420_configs), |
| .clk_gates = INIT_ARRAY_SPEC(hdmi_clk_gates4), |
| .clk_muxes = INIT_ARRAY_SPEC(hdmi_clk_muxes4), |
| }; |
| |
| static const struct hdmi_driver_data exynos5433_hdmi_driver_data = { |
| .type = HDMI_TYPE14, |
| .is_apb_phy = 1, |
| .has_sysreg = 1, |
| .phy_confs = INIT_ARRAY_SPEC(hdmiphy_5433_configs), |
| .clk_gates = INIT_ARRAY_SPEC(hdmi_clk_gates5433), |
| .clk_muxes = INIT_ARRAY_SPEC(hdmi_clk_muxes5433), |
| }; |
| |
| 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_write_buf(struct hdmi_context *hdata, u32 reg_id, |
| u8 *buf, int size) |
| { |
| for (reg_id = hdmi_map_reg(hdata, reg_id); size; --size, reg_id += 4) |
| writel(*buf++, hdata->regs + reg_id); |
| } |
| |
| 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 int hdmi_clk_enable_gates(struct hdmi_context *hdata) |
| { |
| int i, ret; |
| |
| for (i = 0; i < hdata->drv_data->clk_gates.count; ++i) { |
| ret = clk_prepare_enable(hdata->clk_gates[i]); |
| if (!ret) |
| continue; |
| |
| dev_err(hdata->dev, "Cannot enable clock '%s', %d\n", |
| hdata->drv_data->clk_gates.data[i], ret); |
| while (i--) |
| clk_disable_unprepare(hdata->clk_gates[i]); |
| return ret; |
| } |
| |
| return 0; |
| } |
| |
| static void hdmi_clk_disable_gates(struct hdmi_context *hdata) |
| { |
| int i = hdata->drv_data->clk_gates.count; |
| |
| while (i--) |
| clk_disable_unprepare(hdata->clk_gates[i]); |
| } |
| |
| static int hdmi_clk_set_parents(struct hdmi_context *hdata, bool to_phy) |
| { |
| struct device *dev = hdata->dev; |
| int ret = 0; |
| int i; |
| |
| for (i = 0; i < hdata->drv_data->clk_muxes.count; i += 3) { |
| struct clk **c = &hdata->clk_muxes[i]; |
| |
| ret = clk_set_parent(c[2], c[to_phy]); |
| if (!ret) |
| continue; |
| |
| dev_err(dev, "Cannot set clock parent of '%s' to '%s', %d\n", |
| hdata->drv_data->clk_muxes.data[i + 2], |
| hdata->drv_data->clk_muxes.data[i + to_phy], ret); |
| } |
| |
| return ret; |
| } |
| |
| static int hdmi_audio_infoframe_apply(struct hdmi_context *hdata) |
| { |
| struct hdmi_audio_infoframe *infoframe = &hdata->audio.infoframe; |
| u8 buf[HDMI_INFOFRAME_SIZE(AUDIO)]; |
| int len; |
| |
| len = hdmi_audio_infoframe_pack(infoframe, buf, sizeof(buf)); |
| if (len < 0) |
| return len; |
| |
| hdmi_reg_writeb(hdata, HDMI_AUI_CON, HDMI_AUI_CON_EVERY_VSYNC); |
| hdmi_reg_write_buf(hdata, HDMI_AUI_HEADER0, buf, len); |
| |
| return 0; |
| } |
| |
| static void hdmi_reg_infoframes(struct hdmi_context *hdata) |
| { |
| struct drm_display_mode *m = &hdata->encoder.crtc->state->mode; |
| union hdmi_infoframe frm; |
| u8 buf[25]; |
| int ret; |
| |
| if (hdata->dvi_mode) { |
| hdmi_reg_writeb(hdata, HDMI_AVI_CON, |
| HDMI_AVI_CON_DO_NOT_TRANSMIT); |
| hdmi_reg_writeb(hdata, HDMI_VSI_CON, |
| HDMI_VSI_CON_DO_NOT_TRANSMIT); |
| hdmi_reg_writeb(hdata, HDMI_AUI_CON, HDMI_AUI_CON_NO_TRAN); |
| return; |
| } |
| |
| ret = drm_hdmi_avi_infoframe_from_display_mode(&frm.avi, |
| &hdata->connector, m); |
| if (!ret) |
| ret = hdmi_avi_infoframe_pack(&frm.avi, buf, sizeof(buf)); |
| if (ret > 0) { |
| hdmi_reg_writeb(hdata, HDMI_AVI_CON, HDMI_AVI_CON_EVERY_VSYNC); |
| hdmi_reg_write_buf(hdata, HDMI_AVI_HEADER0, buf, ret); |
| } else { |
| DRM_INFO("%s: invalid AVI infoframe (%d)\n", __func__, ret); |
| } |
| |
| ret = drm_hdmi_vendor_infoframe_from_display_mode(&frm.vendor.hdmi, |
| &hdata->connector, m); |
| if (!ret) |
| ret = hdmi_vendor_infoframe_pack(&frm.vendor.hdmi, buf, |
| sizeof(buf)); |
| if (ret > 0) { |
| hdmi_reg_writeb(hdata, HDMI_VSI_CON, HDMI_VSI_CON_EVERY_VSYNC); |
| hdmi_reg_write_buf(hdata, HDMI_VSI_HEADER0, buf, 3); |
| hdmi_reg_write_buf(hdata, HDMI_VSI_DATA(0), buf + 3, ret - 3); |
| } |
| |
| hdmi_audio_infoframe_apply(hdata); |
| } |
| |
| 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; |
| |
| cec_notifier_set_phys_addr(hdata->notifier, CEC_PHYS_ADDR_INVALID); |
| return connector_status_disconnected; |
| } |
| |
| static void hdmi_connector_destroy(struct drm_connector *connector) |
| { |
| struct hdmi_context *hdata = connector_to_hdmi(connector); |
| |
| cec_notifier_conn_unregister(hdata->notifier); |
| |
| drm_connector_unregister(connector); |
| drm_connector_cleanup(connector); |
| } |
| |
| static const struct drm_connector_funcs hdmi_connector_funcs = { |
| .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) |
| goto no_edid; |
| |
| edid = drm_get_edid(connector, hdata->ddc_adpt); |
| if (!edid) |
| goto no_edid; |
| |
| hdata->dvi_mode = !connector->display_info.is_hdmi; |
| DRM_DEV_DEBUG_KMS(hdata->dev, "%s : width[%d] x height[%d]\n", |
| (hdata->dvi_mode ? "dvi monitor" : "hdmi monitor"), |
| edid->width_cm, edid->height_cm); |
| |
| drm_connector_update_edid_property(connector, edid); |
| cec_notifier_set_phys_addr_from_edid(hdata->notifier, edid); |
| |
| ret = drm_add_edid_modes(connector, edid); |
| |
| kfree(edid); |
| |
| return ret; |
| |
| no_edid: |
| return drm_add_modes_noedid(connector, 640, 480); |
| } |
| |
| static int hdmi_find_phy_conf(struct hdmi_context *hdata, u32 pixel_clock) |
| { |
| const struct hdmiphy_configs *confs = &hdata->drv_data->phy_confs; |
| int i; |
| |
| for (i = 0; i < confs->count; i++) |
| if (confs->data[i].pixel_clock == pixel_clock) |
| return i; |
| |
| DRM_DEV_DEBUG_KMS(hdata->dev, "Could not find phy config for %d\n", |
| pixel_clock); |
| return -EINVAL; |
| } |
| |
| static enum drm_mode_status hdmi_mode_valid(struct drm_connector *connector, |
| struct drm_display_mode *mode) |
| { |
| struct hdmi_context *hdata = connector_to_hdmi(connector); |
| int ret; |
| |
| DRM_DEV_DEBUG_KMS(hdata->dev, |
| "xres=%d, yres=%d, refresh=%d, intl=%d clock=%d\n", |
| mode->hdisplay, mode->vdisplay, |
| drm_mode_vrefresh(mode), |
| (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 const struct drm_connector_helper_funcs hdmi_connector_helper_funcs = { |
| .get_modes = hdmi_get_modes, |
| .mode_valid = hdmi_mode_valid, |
| }; |
| |
| static int hdmi_create_connector(struct drm_encoder *encoder) |
| { |
| struct hdmi_context *hdata = encoder_to_hdmi(encoder); |
| struct drm_connector *connector = &hdata->connector; |
| struct cec_connector_info conn_info; |
| int ret; |
| |
| connector->interlace_allowed = true; |
| connector->polled = DRM_CONNECTOR_POLL_HPD; |
| |
| ret = drm_connector_init_with_ddc(hdata->drm_dev, connector, |
| &hdmi_connector_funcs, |
| DRM_MODE_CONNECTOR_HDMIA, |
| hdata->ddc_adpt); |
| if (ret) { |
| DRM_DEV_ERROR(hdata->dev, |
| "Failed to initialize connector with drm\n"); |
| return ret; |
| } |
| |
| drm_connector_helper_add(connector, &hdmi_connector_helper_funcs); |
| drm_connector_attach_encoder(connector, encoder); |
| |
| if (hdata->bridge) |
| ret = drm_bridge_attach(encoder, hdata->bridge, NULL, 0); |
| |
| cec_fill_conn_info_from_drm(&conn_info, connector); |
| |
| hdata->notifier = cec_notifier_conn_register(hdata->dev, NULL, |
| &conn_info); |
| if (!hdata->notifier) { |
| ret = -ENOMEM; |
| DRM_DEV_ERROR(hdata->dev, "Failed to allocate CEC notifier\n"); |
| } |
| |
| return ret; |
| } |
| |
| 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; |
| struct drm_connector_list_iter conn_iter; |
| int mode_ok; |
| |
| drm_mode_set_crtcinfo(adjusted_mode, 0); |
| |
| drm_connector_list_iter_begin(dev, &conn_iter); |
| drm_for_each_connector_iter(connector, &conn_iter) { |
| if (connector->encoder == encoder) |
| break; |
| } |
| if (connector) |
| drm_connector_get(connector); |
| drm_connector_list_iter_end(&conn_iter); |
| |
| if (!connector) |
| return true; |
| |
| mode_ok = hdmi_mode_valid(connector, adjusted_mode); |
| |
| if (mode_ok == MODE_OK) |
| goto cleanup; |
| |
| /* |
| * Find the most suitable mode and copy 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_DEV_DEBUG_KMS(dev->dev, |
| "Adjusted Mode: [%d]x[%d] [%d]Hz\n", |
| m->hdisplay, m->vdisplay, |
| drm_mode_vrefresh(m)); |
| |
| drm_mode_copy(adjusted_mode, m); |
| break; |
| } |
| } |
| |
| cleanup: |
| drm_connector_put(connector); |
| |
| 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_config(struct hdmi_context *hdata) |
| { |
| u32 bit_ch = 1; |
| u32 data_num, val; |
| int i; |
| |
| switch (hdata->audio.params.sample_width) { |
| case 20: |
| data_num = 2; |
| break; |
| case 24: |
| data_num = 3; |
| break; |
| default: |
| data_num = 1; |
| bit_ch = 0; |
| break; |
| } |
| |
| hdmi_reg_acr(hdata, hdata->audio.params.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); |
| 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(3) |
| | HDMI_I2S_SEL_SDATA0(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); |
| |
| /* Configuration of the audio channel status registers */ |
| for (i = 0; i < HDMI_I2S_CH_ST_MAXNUM; i++) |
| hdmi_reg_writeb(hdata, HDMI_I2S_CH_ST(i), |
| hdata->audio.params.iec.status[i]); |
| |
| hdmi_reg_writeb(hdata, HDMI_I2S_CH_ST_CON, HDMI_I2S_CH_STATUS_RELOAD); |
| } |
| |
| static void hdmi_audio_control(struct hdmi_context *hdata) |
| { |
| bool enable = !hdata->audio.mute; |
| |
| if (hdata->dvi_mode) |
| return; |
| |
| hdmi_reg_writeb(hdata, HDMI_AUI_CON, enable ? |
| HDMI_AVI_CON_EVERY_VSYNC : HDMI_AUI_CON_NO_TRAN); |
| hdmi_reg_writemask(hdata, HDMI_CON_0, enable ? |
| HDMI_ASP_EN : HDMI_ASP_DIS, HDMI_ASP_MASK); |
| } |
| |
| static void hdmi_start(struct hdmi_context *hdata, bool start) |
| { |
| struct drm_display_mode *m = &hdata->encoder.crtc->state->mode; |
| u32 val = start ? HDMI_TG_EN : 0; |
| |
| if (m->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) |
| { |
| /* 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 pre-amble 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) { |
| 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 { |
| hdmi_reg_infoframes(hdata); |
| |
| /* 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_DEV_DEBUG_KMS(hdata->dev, |
| "PLL stabilized after %d tries\n", |
| tries); |
| return; |
| } |
| usleep_range(10, 20); |
| } |
| |
| DRM_DEV_ERROR(hdata->dev, "PLL could not reach steady state\n"); |
| } |
| |
| static void hdmi_v13_mode_apply(struct hdmi_context *hdata) |
| { |
| struct drm_display_mode *m = &hdata->encoder.crtc->state->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) { |
| 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 { |
| 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_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); |
| } |
| |
| static void hdmi_v14_mode_apply(struct hdmi_context *hdata) |
| { |
| struct drm_display_mode *m = &hdata->encoder.crtc->state->mode; |
| struct drm_display_mode *am = |
| &hdata->encoder.crtc->state->adjusted_mode; |
| int hquirk = 0; |
| |
| /* |
| * In case video mode coming from CRTC differs from requested one HDMI |
| * sometimes is able to almost properly perform conversion - only |
| * first line is distorted. |
| */ |
| if ((m->vdisplay != am->vdisplay) && |
| (m->hdisplay == 1280 || m->hdisplay == 1024 || m->hdisplay == 1366)) |
| hquirk = 258; |
| |
| 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) { |
| 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 { |
| 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_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); |
| |
| 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 - hquirk); |
| hdmi_reg_writev(hdata, HDMI_TG_HACT_SZ_L, 2, m->hdisplay + hquirk); |
| hdmi_reg_writev(hdata, HDMI_TG_V_FSZ_L, 2, m->vtotal); |
| if (hdata->drv_data == &exynos5433_hdmi_driver_data) |
| hdmi_reg_writeb(hdata, HDMI_TG_DECON_EN, 1); |
| } |
| |
| 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); |
| |
| hdmi_start(hdata, true); |
| } |
| |
| static void hdmiphy_conf_reset(struct hdmi_context *hdata) |
| { |
| hdmi_reg_writemask(hdata, HDMI_CORE_RSTOUT, 0, 1); |
| usleep_range(10000, 12000); |
| hdmi_reg_writemask(hdata, HDMI_CORE_RSTOUT, ~0, 1); |
| usleep_range(10000, 12000); |
| 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_enable_mode_set(struct hdmi_context *hdata, bool enable) |
| { |
| u8 v = enable ? HDMI_PHY_ENABLE_MODE_SET : HDMI_PHY_DISABLE_MODE_SET; |
| |
| if (hdata->drv_data == &exynos5433_hdmi_driver_data) |
| writel(v, hdata->regs_hdmiphy + HDMIPHY5433_MODE_SET_DONE); |
| } |
| |
| static void hdmiphy_conf_apply(struct hdmi_context *hdata) |
| { |
| struct drm_display_mode *m = &hdata->encoder.crtc->state->mode; |
| int ret; |
| const u8 *phy_conf; |
| |
| ret = hdmi_find_phy_conf(hdata, m->clock * 1000); |
| if (ret < 0) { |
| DRM_DEV_ERROR(hdata->dev, "failed to find hdmiphy conf\n"); |
| return; |
| } |
| phy_conf = hdata->drv_data->phy_confs.data[ret].conf; |
| |
| hdmi_clk_set_parents(hdata, false); |
| |
| hdmiphy_conf_reset(hdata); |
| |
| hdmiphy_enable_mode_set(hdata, true); |
| ret = hdmiphy_reg_write_buf(hdata, 0, phy_conf, 32); |
| if (ret) { |
| DRM_DEV_ERROR(hdata->dev, "failed to configure hdmiphy\n"); |
| return; |
| } |
| hdmiphy_enable_mode_set(hdata, false); |
| hdmi_clk_set_parents(hdata, true); |
| usleep_range(10000, 12000); |
| hdmiphy_wait_for_pll(hdata); |
| } |
| |
| /* Should be called with hdata->mutex mutex held */ |
| static void hdmi_conf_apply(struct hdmi_context *hdata) |
| { |
| hdmi_start(hdata, false); |
| hdmi_conf_init(hdata); |
| hdmi_audio_config(hdata); |
| hdmi_mode_apply(hdata); |
| hdmi_audio_control(hdata); |
| } |
| |
| static void hdmi_set_refclk(struct hdmi_context *hdata, bool on) |
| { |
| if (!hdata->sysreg) |
| return; |
| |
| regmap_update_bits(hdata->sysreg, EXYNOS5433_SYSREG_DISP_HDMI_PHY, |
| SYSREG_HDMI_REFCLK_INT_CLK, on ? ~0 : 0); |
| } |
| |
| /* Should be called with hdata->mutex mutex held. */ |
| static void hdmiphy_enable(struct hdmi_context *hdata) |
| { |
| int ret; |
| |
| if (hdata->powered) |
| return; |
| |
| ret = pm_runtime_resume_and_get(hdata->dev); |
| if (ret < 0) { |
| dev_err(hdata->dev, "failed to enable HDMIPHY device.\n"); |
| return; |
| } |
| |
| if (regulator_bulk_enable(ARRAY_SIZE(supply), hdata->regul_bulk)) |
| DRM_DEV_DEBUG_KMS(hdata->dev, |
| "failed to enable regulator bulk\n"); |
| |
| regmap_update_bits(hdata->pmureg, PMU_HDMI_PHY_CONTROL, |
| PMU_HDMI_PHY_ENABLE_BIT, 1); |
| |
| hdmi_set_refclk(hdata, true); |
| |
| hdmi_reg_writemask(hdata, HDMI_PHY_CON_0, 0, HDMI_PHY_POWER_OFF_EN); |
| |
| hdmiphy_conf_apply(hdata); |
| |
| hdata->powered = true; |
| } |
| |
| /* Should be called with hdata->mutex mutex held. */ |
| static void hdmiphy_disable(struct hdmi_context *hdata) |
| { |
| if (!hdata->powered) |
| return; |
| |
| hdmi_reg_writemask(hdata, HDMI_CON_0, 0, HDMI_EN); |
| |
| hdmi_reg_writemask(hdata, HDMI_PHY_CON_0, ~0, HDMI_PHY_POWER_OFF_EN); |
| |
| hdmi_set_refclk(hdata, false); |
| |
| 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 void hdmi_enable(struct drm_encoder *encoder) |
| { |
| struct hdmi_context *hdata = encoder_to_hdmi(encoder); |
| |
| mutex_lock(&hdata->mutex); |
| |
| hdmiphy_enable(hdata); |
| hdmi_conf_apply(hdata); |
| |
| mutex_unlock(&hdata->mutex); |
| } |
| |
| static void hdmi_disable(struct drm_encoder *encoder) |
| { |
| struct hdmi_context *hdata = encoder_to_hdmi(encoder); |
| |
| mutex_lock(&hdata->mutex); |
| |
| if (hdata->powered) { |
| /* |
| * 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 |
| * |
| * To achieve such sequence HDMI is disabled together with |
| * HDMI PHY, via pipe clock callback. |
| */ |
| mutex_unlock(&hdata->mutex); |
| cancel_delayed_work(&hdata->hotplug_work); |
| if (hdata->notifier) |
| cec_notifier_phys_addr_invalidate(hdata->notifier); |
| return; |
| } |
| |
| mutex_unlock(&hdata->mutex); |
| } |
| |
| static const struct drm_encoder_helper_funcs exynos_hdmi_encoder_helper_funcs = { |
| .mode_fixup = hdmi_mode_fixup, |
| .enable = hdmi_enable, |
| .disable = hdmi_disable, |
| }; |
| |
| static void hdmi_audio_shutdown(struct device *dev, void *data) |
| { |
| struct hdmi_context *hdata = dev_get_drvdata(dev); |
| |
| mutex_lock(&hdata->mutex); |
| |
| hdata->audio.mute = true; |
| |
| if (hdata->powered) |
| hdmi_audio_control(hdata); |
| |
| mutex_unlock(&hdata->mutex); |
| } |
| |
| static int hdmi_audio_hw_params(struct device *dev, void *data, |
| struct hdmi_codec_daifmt *daifmt, |
| struct hdmi_codec_params *params) |
| { |
| struct hdmi_context *hdata = dev_get_drvdata(dev); |
| |
| if (daifmt->fmt != HDMI_I2S || daifmt->bit_clk_inv || |
| daifmt->frame_clk_inv || daifmt->bit_clk_provider || |
| daifmt->frame_clk_provider) { |
| dev_err(dev, "%s: Bad flags %d %d %d %d\n", __func__, |
| daifmt->bit_clk_inv, daifmt->frame_clk_inv, |
| daifmt->bit_clk_provider, |
| daifmt->frame_clk_provider); |
| return -EINVAL; |
| } |
| |
| mutex_lock(&hdata->mutex); |
| |
| hdata->audio.params = *params; |
| |
| if (hdata->powered) { |
| hdmi_audio_config(hdata); |
| hdmi_audio_infoframe_apply(hdata); |
| } |
| |
| mutex_unlock(&hdata->mutex); |
| |
| return 0; |
| } |
| |
| static int hdmi_audio_mute(struct device *dev, void *data, |
| bool mute, int direction) |
| { |
| struct hdmi_context *hdata = dev_get_drvdata(dev); |
| |
| mutex_lock(&hdata->mutex); |
| |
| hdata->audio.mute = mute; |
| |
| if (hdata->powered) |
| hdmi_audio_control(hdata); |
| |
| mutex_unlock(&hdata->mutex); |
| |
| return 0; |
| } |
| |
| static int hdmi_audio_get_eld(struct device *dev, void *data, uint8_t *buf, |
| size_t len) |
| { |
| struct hdmi_context *hdata = dev_get_drvdata(dev); |
| struct drm_connector *connector = &hdata->connector; |
| |
| memcpy(buf, connector->eld, min(sizeof(connector->eld), len)); |
| |
| return 0; |
| } |
| |
| static const struct hdmi_codec_ops audio_codec_ops = { |
| .hw_params = hdmi_audio_hw_params, |
| .audio_shutdown = hdmi_audio_shutdown, |
| .mute_stream = hdmi_audio_mute, |
| .get_eld = hdmi_audio_get_eld, |
| .no_capture_mute = 1, |
| }; |
| |
| static int hdmi_register_audio_device(struct hdmi_context *hdata) |
| { |
| struct hdmi_codec_pdata codec_data = { |
| .ops = &audio_codec_ops, |
| .max_i2s_channels = 6, |
| .i2s = 1, |
| }; |
| |
| hdata->audio.pdev = platform_device_register_data( |
| hdata->dev, HDMI_CODEC_DRV_NAME, PLATFORM_DEVID_AUTO, |
| &codec_data, sizeof(codec_data)); |
| |
| return PTR_ERR_OR_ZERO(hdata->audio.pdev); |
| } |
| |
| 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_clks_get(struct hdmi_context *hdata, |
| const struct string_array_spec *names, |
| struct clk **clks) |
| { |
| struct device *dev = hdata->dev; |
| int i; |
| |
| for (i = 0; i < names->count; ++i) { |
| struct clk *clk = devm_clk_get(dev, names->data[i]); |
| |
| if (IS_ERR(clk)) { |
| int ret = PTR_ERR(clk); |
| |
| dev_err(dev, "Cannot get clock %s, %d\n", |
| names->data[i], ret); |
| |
| return ret; |
| } |
| |
| clks[i] = clk; |
| } |
| |
| return 0; |
| } |
| |
| static int hdmi_clk_init(struct hdmi_context *hdata) |
| { |
| const struct hdmi_driver_data *drv_data = hdata->drv_data; |
| int count = drv_data->clk_gates.count + drv_data->clk_muxes.count; |
| struct device *dev = hdata->dev; |
| struct clk **clks; |
| int ret; |
| |
| if (!count) |
| return 0; |
| |
| clks = devm_kcalloc(dev, count, sizeof(*clks), GFP_KERNEL); |
| if (!clks) |
| return -ENOMEM; |
| |
| hdata->clk_gates = clks; |
| hdata->clk_muxes = clks + drv_data->clk_gates.count; |
| |
| ret = hdmi_clks_get(hdata, &drv_data->clk_gates, hdata->clk_gates); |
| if (ret) |
| return ret; |
| |
| return hdmi_clks_get(hdata, &drv_data->clk_muxes, hdata->clk_muxes); |
| } |
| |
| |
| static void hdmiphy_clk_enable(struct exynos_drm_clk *clk, bool enable) |
| { |
| struct hdmi_context *hdata = container_of(clk, struct hdmi_context, |
| phy_clk); |
| mutex_lock(&hdata->mutex); |
| |
| if (enable) |
| hdmiphy_enable(hdata); |
| else |
| hdmiphy_disable(hdata); |
| |
| mutex_unlock(&hdata->mutex); |
| } |
| |
| static int hdmi_bridge_init(struct hdmi_context *hdata) |
| { |
| struct device *dev = hdata->dev; |
| struct device_node *ep, *np; |
| |
| ep = of_graph_get_endpoint_by_regs(dev->of_node, 1, -1); |
| if (!ep) |
| return 0; |
| |
| np = of_graph_get_remote_port_parent(ep); |
| of_node_put(ep); |
| if (!np) { |
| DRM_DEV_ERROR(dev, "failed to get remote port parent"); |
| return -EINVAL; |
| } |
| |
| hdata->bridge = of_drm_find_bridge(np); |
| of_node_put(np); |
| |
| if (!hdata->bridge) |
| return -EPROBE_DEFER; |
| |
| return 0; |
| } |
| |
| static int hdmi_resources_init(struct hdmi_context *hdata) |
| { |
| struct device *dev = hdata->dev; |
| int i, ret; |
| |
| DRM_DEV_DEBUG_KMS(dev, "HDMI resource init\n"); |
| |
| hdata->hpd_gpio = devm_gpiod_get(dev, "hpd", GPIOD_IN); |
| if (IS_ERR(hdata->hpd_gpio)) { |
| DRM_DEV_ERROR(dev, "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_DEV_ERROR(dev, "failed to get GPIO irq\n"); |
| return hdata->irq; |
| } |
| |
| ret = hdmi_clk_init(hdata); |
| if (ret) |
| return ret; |
| |
| ret = hdmi_clk_set_parents(hdata, false); |
| if (ret) |
| return ret; |
| |
| for (i = 0; i < ARRAY_SIZE(supply); ++i) |
| hdata->regul_bulk[i].supply = supply[i]; |
| |
| ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(supply), hdata->regul_bulk); |
| if (ret) |
| return dev_err_probe(dev, ret, "failed to get regulators\n"); |
| |
| hdata->reg_hdmi_en = devm_regulator_get_optional(dev, "hdmi-en"); |
| |
| if (PTR_ERR(hdata->reg_hdmi_en) != -ENODEV) |
| if (IS_ERR(hdata->reg_hdmi_en)) |
| return PTR_ERR(hdata->reg_hdmi_en); |
| |
| return hdmi_bridge_init(hdata); |
| } |
| |
| static const 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, |
| }, { |
| .compatible = "samsung,exynos5433-hdmi", |
| .data = &exynos5433_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; |
| struct exynos_drm_crtc *crtc; |
| int ret; |
| |
| hdata->drm_dev = drm_dev; |
| |
| hdata->phy_clk.enable = hdmiphy_clk_enable; |
| |
| drm_simple_encoder_init(drm_dev, encoder, DRM_MODE_ENCODER_TMDS); |
| |
| drm_encoder_helper_add(encoder, &exynos_hdmi_encoder_helper_funcs); |
| |
| ret = exynos_drm_set_possible_crtcs(encoder, EXYNOS_DISPLAY_TYPE_HDMI); |
| if (ret < 0) |
| return ret; |
| |
| crtc = exynos_drm_crtc_get_by_type(drm_dev, EXYNOS_DISPLAY_TYPE_HDMI); |
| if (IS_ERR(crtc)) |
| return PTR_ERR(crtc); |
| crtc->pipe_clk = &hdata->phy_clk; |
| |
| ret = hdmi_create_connector(encoder); |
| if (ret) { |
| DRM_DEV_ERROR(dev, "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 int hdmi_get_ddc_adapter(struct hdmi_context *hdata) |
| { |
| const char *compatible_str = "samsung,exynos4210-hdmiddc"; |
| struct device_node *np; |
| struct i2c_adapter *adpt; |
| |
| np = of_find_compatible_node(NULL, NULL, compatible_str); |
| if (np) |
| np = of_get_next_parent(np); |
| else |
| np = of_parse_phandle(hdata->dev->of_node, "ddc", 0); |
| |
| if (!np) { |
| DRM_DEV_ERROR(hdata->dev, |
| "Failed to find ddc node in device tree\n"); |
| return -ENODEV; |
| } |
| |
| adpt = of_find_i2c_adapter_by_node(np); |
| of_node_put(np); |
| |
| if (!adpt) { |
| DRM_INFO("Failed to get ddc i2c adapter by node\n"); |
| return -EPROBE_DEFER; |
| } |
| |
| hdata->ddc_adpt = adpt; |
| |
| return 0; |
| } |
| |
| static int hdmi_get_phy_io(struct hdmi_context *hdata) |
| { |
| const char *compatible_str = "samsung,exynos4212-hdmiphy"; |
| struct device_node *np __free(device_node) = |
| of_find_compatible_node(NULL, NULL, compatible_str); |
| |
| if (!np) { |
| np = of_parse_phandle(hdata->dev->of_node, "phy", 0); |
| if (!np) { |
| DRM_DEV_ERROR(hdata->dev, |
| "Failed to find hdmiphy node in device tree\n"); |
| return -ENODEV; |
| } |
| } |
| |
| if (hdata->drv_data->is_apb_phy) { |
| hdata->regs_hdmiphy = of_iomap(np, 0); |
| if (!hdata->regs_hdmiphy) { |
| DRM_DEV_ERROR(hdata->dev, |
| "failed to ioremap hdmi phy\n"); |
| return -ENOMEM; |
| } |
| } else { |
| hdata->hdmiphy_port = of_find_i2c_device_by_node(np); |
| if (!hdata->hdmiphy_port) { |
| DRM_INFO("Failed to get hdmi phy i2c client\n"); |
| return -EPROBE_DEFER; |
| } |
| } |
| |
| return 0; |
| } |
| |
| static int hdmi_probe(struct platform_device *pdev) |
| { |
| struct hdmi_audio_infoframe *audio_infoframe; |
| struct device *dev = &pdev->dev; |
| struct hdmi_context *hdata; |
| int ret; |
| |
| hdata = devm_kzalloc(dev, sizeof(struct hdmi_context), GFP_KERNEL); |
| if (!hdata) |
| return -ENOMEM; |
| |
| hdata->drv_data = of_device_get_match_data(dev); |
| |
| platform_set_drvdata(pdev, hdata); |
| |
| hdata->dev = dev; |
| |
| mutex_init(&hdata->mutex); |
| |
| ret = hdmi_resources_init(hdata); |
| if (ret) { |
| if (ret != -EPROBE_DEFER) |
| DRM_DEV_ERROR(dev, "hdmi_resources_init failed\n"); |
| return ret; |
| } |
| |
| hdata->regs = devm_platform_ioremap_resource(pdev, 0); |
| if (IS_ERR(hdata->regs)) { |
| ret = PTR_ERR(hdata->regs); |
| return ret; |
| } |
| |
| ret = hdmi_get_ddc_adapter(hdata); |
| if (ret) |
| return ret; |
| |
| ret = hdmi_get_phy_io(hdata); |
| if (ret) |
| 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_DEV_ERROR(dev, "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_DEV_ERROR(dev, "syscon regmap lookup failed.\n"); |
| ret = -EPROBE_DEFER; |
| goto err_hdmiphy; |
| } |
| |
| if (hdata->drv_data->has_sysreg) { |
| hdata->sysreg = syscon_regmap_lookup_by_phandle(dev->of_node, |
| "samsung,sysreg-phandle"); |
| if (IS_ERR(hdata->sysreg)) { |
| DRM_DEV_ERROR(dev, "sysreg regmap lookup failed.\n"); |
| ret = -EPROBE_DEFER; |
| goto err_hdmiphy; |
| } |
| } |
| |
| if (!IS_ERR(hdata->reg_hdmi_en)) { |
| ret = regulator_enable(hdata->reg_hdmi_en); |
| if (ret) { |
| DRM_DEV_ERROR(dev, |
| "failed to enable hdmi-en regulator\n"); |
| goto err_hdmiphy; |
| } |
| } |
| |
| pm_runtime_enable(dev); |
| |
| audio_infoframe = &hdata->audio.infoframe; |
| hdmi_audio_infoframe_init(audio_infoframe); |
| audio_infoframe->coding_type = HDMI_AUDIO_CODING_TYPE_STREAM; |
| audio_infoframe->sample_size = HDMI_AUDIO_SAMPLE_SIZE_STREAM; |
| audio_infoframe->sample_frequency = HDMI_AUDIO_SAMPLE_FREQUENCY_STREAM; |
| audio_infoframe->channels = 2; |
| |
| ret = hdmi_register_audio_device(hdata); |
| if (ret) |
| goto err_rpm_disable; |
| |
| ret = component_add(&pdev->dev, &hdmi_component_ops); |
| if (ret) |
| goto err_unregister_audio; |
| |
| return ret; |
| |
| err_unregister_audio: |
| platform_device_unregister(hdata->audio.pdev); |
| |
| err_rpm_disable: |
| pm_runtime_disable(dev); |
| if (!IS_ERR(hdata->reg_hdmi_en)) |
| regulator_disable(hdata->reg_hdmi_en); |
| err_hdmiphy: |
| if (hdata->hdmiphy_port) |
| put_device(&hdata->hdmiphy_port->dev); |
| if (hdata->regs_hdmiphy) |
| iounmap(hdata->regs_hdmiphy); |
| err_ddc: |
| put_device(&hdata->ddc_adpt->dev); |
| |
| return ret; |
| } |
| |
| static void 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); |
| platform_device_unregister(hdata->audio.pdev); |
| |
| 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); |
| |
| if (hdata->regs_hdmiphy) |
| iounmap(hdata->regs_hdmiphy); |
| |
| put_device(&hdata->ddc_adpt->dev); |
| |
| mutex_destroy(&hdata->mutex); |
| } |
| |
| static int __maybe_unused exynos_hdmi_suspend(struct device *dev) |
| { |
| struct hdmi_context *hdata = dev_get_drvdata(dev); |
| |
| hdmi_clk_disable_gates(hdata); |
| |
| return 0; |
| } |
| |
| static int __maybe_unused exynos_hdmi_resume(struct device *dev) |
| { |
| struct hdmi_context *hdata = dev_get_drvdata(dev); |
| int ret; |
| |
| ret = hdmi_clk_enable_gates(hdata); |
| if (ret < 0) |
| return ret; |
| |
| return 0; |
| } |
| |
| static const struct dev_pm_ops exynos_hdmi_pm_ops = { |
| SET_RUNTIME_PM_OPS(exynos_hdmi_suspend, exynos_hdmi_resume, NULL) |
| SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, |
| pm_runtime_force_resume) |
| }; |
| |
| struct platform_driver hdmi_driver = { |
| .probe = hdmi_probe, |
| .remove_new = hdmi_remove, |
| .driver = { |
| .name = "exynos-hdmi", |
| .pm = &exynos_hdmi_pm_ops, |
| .of_match_table = hdmi_match_types, |
| }, |
| }; |
