| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Andrzej Hajda | 5385 | 44.41% | 37 | 27.82% |
| Rahul Sharma | 2088 | 17.22% | 14 | 10.53% |
| Seung-Woo Kim | 1062 | 8.76% | 7 | 5.26% |
| Sylwester Nawrocki | 797 | 6.57% | 2 | 1.50% |
| Sean Paul | 578 | 4.77% | 9 | 6.77% |
| Joonyoung Shim | 555 | 4.58% | 7 | 5.26% |
| Inki Dae | 344 | 2.84% | 8 | 6.02% |
| Shirish S | 309 | 2.55% | 3 | 2.26% |
| Gustavo Padovan | 253 | 2.09% | 6 | 4.51% |
| Kim (Woogyom) Milo | 221 | 1.82% | 2 | 1.50% |
| Marek Szyprowski | 115 | 0.95% | 5 | 3.76% |
| Daniel Drake | 82 | 0.68% | 1 | 0.75% |
| Darek Marcinkiewicz | 77 | 0.64% | 1 | 0.75% |
| Maciej Purski | 40 | 0.33% | 1 | 0.75% |
| Daniel Kurtz | 39 | 0.32% | 1 | 0.75% |
| Hans Verkuil | 31 | 0.26% | 1 | 0.75% |
| Sam Ravnborg | 28 | 0.23% | 1 | 0.75% |
| Arvind Yadav | 27 | 0.22% | 2 | 1.50% |
| Ville Syrjälä | 16 | 0.13% | 4 | 3.01% |
| Javier Martinez Canillas | 14 | 0.12% | 1 | 0.75% |
| Sachin Kamat | 13 | 0.11% | 5 | 3.76% |
| Thierry Reding | 8 | 0.07% | 1 | 0.75% |
| Sjoerd Simons | 7 | 0.06% | 1 | 0.75% |
| Paul Taysom | 6 | 0.05% | 1 | 0.75% |
| Andrzej Pietrasiewicz | 5 | 0.04% | 1 | 0.75% |
| Shawn Guo | 5 | 0.04% | 1 | 0.75% |
| Tomasz Stanislawski | 4 | 0.03% | 1 | 0.75% |
| Boris Brezillon | 3 | 0.02% | 1 | 0.75% |
| Kees Cook | 3 | 0.02% | 1 | 0.75% |
| Thomas Gleixner | 2 | 0.02% | 1 | 0.75% |
| Arnd Bergmann | 2 | 0.02% | 1 | 0.75% |
| Laurent Pinchart | 2 | 0.02% | 1 | 0.75% |
| Daniel Vetter | 2 | 0.02% | 2 | 1.50% |
| Shashank Sharma | 1 | 0.01% | 1 | 0.75% |
| Peter Chen | 1 | 0.01% | 1 | 0.75% |
| Total | 12125 | 133 |
// 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_address.h> #include <linux/of_device.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 "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, }, }, }; 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) return -ENODEV; edid = drm_get_edid(connector, hdata->ddc_adpt); if (!edid) return -ENODEV; hdata->dvi_mode = !drm_detect_hdmi_monitor(edid); 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; } 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 int 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, 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 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); if (ret) DRM_DEV_ERROR(hdata->dev, "Failed to attach bridge\n"); } 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, m->vrefresh); 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) { if (hdata->powered) return; pm_runtime_get_sync(hdata->dev); 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 const struct drm_encoder_funcs exynos_hdmi_encoder_funcs = { .destroy = drm_encoder_cleanup, }; 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_master || daifmt->frame_clk_master) { dev_err(dev, "%s: Bad flags %d %d %d %d\n", __func__, daifmt->bit_clk_inv, daifmt->frame_clk_inv, daifmt->bit_clk_master, daifmt->frame_clk_master); 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_digital_mute(struct device *dev, void *data, bool mute) { 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, .digital_mute = hdmi_audio_digital_mute, .get_eld = hdmi_audio_get_eld, }; 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) { if (ret != -EPROBE_DEFER) DRM_DEV_ERROR(dev, "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) 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_encoder_init(drm_dev, encoder, &exynos_hdmi_encoder_funcs, DRM_MODE_ENCODER_TMDS, NULL); 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); 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; int ret = 0; np = 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"); ret = -ENOMEM; goto out; } } 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"); ret = -EPROBE_DEFER; goto out; } } out: of_node_put(np); return ret; } static int hdmi_probe(struct platform_device *pdev) { struct hdmi_audio_infoframe *audio_infoframe; 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; 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; } 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; } 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 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); 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); return 0; } 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 = hdmi_remove, .driver = { .name = "exynos-hdmi", .owner = THIS_MODULE, .pm = &exynos_hdmi_pm_ops, .of_match_table = hdmi_match_types, }, };
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