| /* |
| * 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 |
| * |
| * This program is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License as published by the |
| * Free Software Foundation; either version 2 of the License, or (at your |
| * option) any later version. |
| * |
| */ |
| |
| #include <drm/drmP.h> |
| #include <drm/drm_edid.h> |
| #include <drm/drm_crtc_helper.h> |
| |
| #include "regs-hdmi.h" |
| |
| #include <linux/kernel.h> |
| #include <linux/spinlock.h> |
| #include <linux/wait.h> |
| #include <linux/i2c.h> |
| #include <linux/platform_device.h> |
| #include <linux/interrupt.h> |
| #include <linux/irq.h> |
| #include <linux/delay.h> |
| #include <linux/pm_runtime.h> |
| #include <linux/clk.h> |
| #include <linux/regulator/consumer.h> |
| #include <linux/io.h> |
| #include <linux/of.h> |
| #include <linux/of_gpio.h> |
| #include <linux/hdmi.h> |
| |
| #include <drm/exynos_drm.h> |
| |
| #include "exynos_drm_drv.h" |
| #include "exynos_drm_hdmi.h" |
| |
| #include "exynos_hdmi.h" |
| |
| #include <linux/gpio.h> |
| #include <media/s5p_hdmi.h> |
| |
| #define MAX_WIDTH 1920 |
| #define MAX_HEIGHT 1080 |
| #define get_hdmi_context(dev) platform_get_drvdata(to_platform_device(dev)) |
| |
| /* AVI header and aspect ratio */ |
| #define HDMI_AVI_VERSION 0x02 |
| #define HDMI_AVI_LENGTH 0x0D |
| |
| /* AUI header info */ |
| #define HDMI_AUI_VERSION 0x01 |
| #define HDMI_AUI_LENGTH 0x0A |
| #define AVI_SAME_AS_PIC_ASPECT_RATIO 0x8 |
| #define AVI_4_3_CENTER_RATIO 0x9 |
| #define AVI_16_9_CENTER_RATIO 0xa |
| |
| enum hdmi_type { |
| HDMI_TYPE13, |
| HDMI_TYPE14, |
| }; |
| |
| struct hdmi_resources { |
| struct clk *hdmi; |
| struct clk *sclk_hdmi; |
| struct clk *sclk_pixel; |
| struct clk *sclk_hdmiphy; |
| struct clk *hdmiphy; |
| struct clk *mout_hdmi; |
| struct regulator_bulk_data *regul_bulk; |
| int regul_count; |
| }; |
| |
| struct hdmi_tg_regs { |
| u8 cmd[1]; |
| u8 h_fsz[2]; |
| u8 hact_st[2]; |
| u8 hact_sz[2]; |
| u8 v_fsz[2]; |
| u8 vsync[2]; |
| u8 vsync2[2]; |
| u8 vact_st[2]; |
| u8 vact_sz[2]; |
| u8 field_chg[2]; |
| u8 vact_st2[2]; |
| u8 vact_st3[2]; |
| u8 vact_st4[2]; |
| u8 vsync_top_hdmi[2]; |
| u8 vsync_bot_hdmi[2]; |
| u8 field_top_hdmi[2]; |
| u8 field_bot_hdmi[2]; |
| u8 tg_3d[1]; |
| }; |
| |
| struct hdmi_v13_core_regs { |
| u8 h_blank[2]; |
| u8 v_blank[3]; |
| u8 h_v_line[3]; |
| u8 vsync_pol[1]; |
| u8 int_pro_mode[1]; |
| u8 v_blank_f[3]; |
| u8 h_sync_gen[3]; |
| u8 v_sync_gen1[3]; |
| u8 v_sync_gen2[3]; |
| u8 v_sync_gen3[3]; |
| }; |
| |
| struct hdmi_v14_core_regs { |
| u8 h_blank[2]; |
| u8 v2_blank[2]; |
| u8 v1_blank[2]; |
| u8 v_line[2]; |
| u8 h_line[2]; |
| u8 hsync_pol[1]; |
| u8 vsync_pol[1]; |
| u8 int_pro_mode[1]; |
| u8 v_blank_f0[2]; |
| u8 v_blank_f1[2]; |
| u8 h_sync_start[2]; |
| u8 h_sync_end[2]; |
| u8 v_sync_line_bef_2[2]; |
| u8 v_sync_line_bef_1[2]; |
| u8 v_sync_line_aft_2[2]; |
| u8 v_sync_line_aft_1[2]; |
| u8 v_sync_line_aft_pxl_2[2]; |
| u8 v_sync_line_aft_pxl_1[2]; |
| u8 v_blank_f2[2]; /* for 3D mode */ |
| u8 v_blank_f3[2]; /* for 3D mode */ |
| u8 v_blank_f4[2]; /* for 3D mode */ |
| u8 v_blank_f5[2]; /* for 3D mode */ |
| u8 v_sync_line_aft_3[2]; |
| u8 v_sync_line_aft_4[2]; |
| u8 v_sync_line_aft_5[2]; |
| u8 v_sync_line_aft_6[2]; |
| u8 v_sync_line_aft_pxl_3[2]; |
| u8 v_sync_line_aft_pxl_4[2]; |
| u8 v_sync_line_aft_pxl_5[2]; |
| u8 v_sync_line_aft_pxl_6[2]; |
| u8 vact_space_1[2]; |
| u8 vact_space_2[2]; |
| u8 vact_space_3[2]; |
| u8 vact_space_4[2]; |
| u8 vact_space_5[2]; |
| u8 vact_space_6[2]; |
| }; |
| |
| struct hdmi_v13_conf { |
| struct hdmi_v13_core_regs core; |
| struct hdmi_tg_regs tg; |
| }; |
| |
| struct hdmi_v14_conf { |
| struct hdmi_v14_core_regs core; |
| struct hdmi_tg_regs tg; |
| }; |
| |
| struct hdmi_conf_regs { |
| int pixel_clock; |
| int cea_video_id; |
| enum hdmi_picture_aspect aspect_ratio; |
| union { |
| struct hdmi_v13_conf v13_conf; |
| struct hdmi_v14_conf v14_conf; |
| } conf; |
| }; |
| |
| struct hdmi_context { |
| struct device *dev; |
| struct drm_device *drm_dev; |
| bool hpd; |
| bool powered; |
| bool dvi_mode; |
| struct mutex hdmi_mutex; |
| |
| void __iomem *regs; |
| void *parent_ctx; |
| int irq; |
| |
| struct i2c_client *ddc_port; |
| struct i2c_client *hdmiphy_port; |
| |
| /* current hdmiphy conf regs */ |
| struct hdmi_conf_regs mode_conf; |
| |
| struct hdmi_resources res; |
| |
| int hpd_gpio; |
| |
| enum hdmi_type type; |
| }; |
| |
| struct hdmiphy_config { |
| int pixel_clock; |
| u8 conf[32]; |
| }; |
| |
| /* list of phy config settings */ |
| 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, 0x00, |
| }, |
| }, |
| { |
| .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, 0x00, |
| }, |
| }, |
| { |
| .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, 0x00, |
| }, |
| }, |
| { |
| .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, 0x00, |
| }, |
| }, |
| { |
| .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, 0x00, |
| }, |
| }, |
| }; |
| |
| 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, 0x00, |
| }, |
| }, |
| { |
| .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, 0x91, 0x1e, 0x15, 0x40, 0x3c, 0xce, 0x08, |
| 0x04, 0x20, 0xb2, 0xd8, 0x45, 0xa0, 0xac, 0x80, |
| 0x06, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86, |
| 0x54, 0xad, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80, |
| }, |
| }, |
| { |
| .pixel_clock = 73250000, |
| .conf = { |
| 0x01, 0xd1, 0x1f, 0x15, 0x40, 0x18, 0xe9, 0x08, |
| 0x02, 0xa0, 0xb7, 0xd8, 0x45, 0xa0, 0xac, 0x80, |
| 0x06, 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, 0x00, |
| }, |
| }, |
| { |
| .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 = 88750000, |
| .conf = { |
| 0x01, 0x91, 0x25, 0x17, 0x40, 0x30, 0xfe, 0x08, |
| 0x06, 0x20, 0xde, 0xd8, 0x45, 0xa0, 0xac, 0x80, |
| 0x06, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86, |
| 0x54, 0x8a, 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, 0x1a, 0x40, 0x40, 0x10, 0x04, |
| 0x04, 0xa0, 0x21, 0xd9, 0x45, 0xa0, 0xac, 0x80, |
| 0x06, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86, |
| 0x54, 0xaa, 0x25, 0x03, 0x00, 0x00, 0x01, 0x80, |
| }, |
| }, |
| { |
| .pixel_clock = 119000000, |
| .conf = { |
| 0x01, 0x91, 0x32, 0x14, 0x40, 0x60, 0xd8, 0x08, |
| 0x06, 0x20, 0x2a, 0xd9, 0x45, 0xa0, 0xac, 0x80, |
| 0x06, 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, 0x00, |
| }, |
| }, |
| }; |
| |
| static inline u32 hdmi_reg_read(struct hdmi_context *hdata, u32 reg_id) |
| { |
| return readl(hdata->regs + reg_id); |
| } |
| |
| static inline void hdmi_reg_writeb(struct hdmi_context *hdata, |
| u32 reg_id, u8 value) |
| { |
| writeb(value, hdata->regs + reg_id); |
| } |
| |
| static inline void hdmi_reg_writemask(struct hdmi_context *hdata, |
| u32 reg_id, u32 value, u32 mask) |
| { |
| u32 old = readl(hdata->regs + reg_id); |
| value = (value & mask) | (old & ~mask); |
| writel(value, hdata->regs + reg_id); |
| } |
| |
| static void hdmi_v13_regs_dump(struct hdmi_context *hdata, char *prefix) |
| { |
| #define DUMPREG(reg_id) \ |
| DRM_DEBUG_KMS("%s:" #reg_id " = %08x\n", prefix, \ |
| readl(hdata->regs + reg_id)) |
| DRM_DEBUG_KMS("%s: ---- CONTROL REGISTERS ----\n", prefix); |
| DUMPREG(HDMI_INTC_FLAG); |
| DUMPREG(HDMI_INTC_CON); |
| DUMPREG(HDMI_HPD_STATUS); |
| DUMPREG(HDMI_V13_PHY_RSTOUT); |
| DUMPREG(HDMI_V13_PHY_VPLL); |
| DUMPREG(HDMI_V13_PHY_CMU); |
| DUMPREG(HDMI_V13_CORE_RSTOUT); |
| |
| DRM_DEBUG_KMS("%s: ---- CORE REGISTERS ----\n", prefix); |
| DUMPREG(HDMI_CON_0); |
| DUMPREG(HDMI_CON_1); |
| DUMPREG(HDMI_CON_2); |
| DUMPREG(HDMI_SYS_STATUS); |
| DUMPREG(HDMI_V13_PHY_STATUS); |
| DUMPREG(HDMI_STATUS_EN); |
| DUMPREG(HDMI_HPD); |
| DUMPREG(HDMI_MODE_SEL); |
| DUMPREG(HDMI_V13_HPD_GEN); |
| DUMPREG(HDMI_V13_DC_CONTROL); |
| DUMPREG(HDMI_V13_VIDEO_PATTERN_GEN); |
| |
| DRM_DEBUG_KMS("%s: ---- CORE SYNC REGISTERS ----\n", prefix); |
| DUMPREG(HDMI_H_BLANK_0); |
| DUMPREG(HDMI_H_BLANK_1); |
| DUMPREG(HDMI_V13_V_BLANK_0); |
| DUMPREG(HDMI_V13_V_BLANK_1); |
| DUMPREG(HDMI_V13_V_BLANK_2); |
| DUMPREG(HDMI_V13_H_V_LINE_0); |
| DUMPREG(HDMI_V13_H_V_LINE_1); |
| DUMPREG(HDMI_V13_H_V_LINE_2); |
| DUMPREG(HDMI_VSYNC_POL); |
| DUMPREG(HDMI_INT_PRO_MODE); |
| DUMPREG(HDMI_V13_V_BLANK_F_0); |
| DUMPREG(HDMI_V13_V_BLANK_F_1); |
| DUMPREG(HDMI_V13_V_BLANK_F_2); |
| DUMPREG(HDMI_V13_H_SYNC_GEN_0); |
| DUMPREG(HDMI_V13_H_SYNC_GEN_1); |
| DUMPREG(HDMI_V13_H_SYNC_GEN_2); |
| DUMPREG(HDMI_V13_V_SYNC_GEN_1_0); |
| DUMPREG(HDMI_V13_V_SYNC_GEN_1_1); |
| DUMPREG(HDMI_V13_V_SYNC_GEN_1_2); |
| DUMPREG(HDMI_V13_V_SYNC_GEN_2_0); |
| DUMPREG(HDMI_V13_V_SYNC_GEN_2_1); |
| DUMPREG(HDMI_V13_V_SYNC_GEN_2_2); |
| DUMPREG(HDMI_V13_V_SYNC_GEN_3_0); |
| DUMPREG(HDMI_V13_V_SYNC_GEN_3_1); |
| DUMPREG(HDMI_V13_V_SYNC_GEN_3_2); |
| |
| DRM_DEBUG_KMS("%s: ---- TG REGISTERS ----\n", prefix); |
| DUMPREG(HDMI_TG_CMD); |
| DUMPREG(HDMI_TG_H_FSZ_L); |
| DUMPREG(HDMI_TG_H_FSZ_H); |
| DUMPREG(HDMI_TG_HACT_ST_L); |
| DUMPREG(HDMI_TG_HACT_ST_H); |
| DUMPREG(HDMI_TG_HACT_SZ_L); |
| DUMPREG(HDMI_TG_HACT_SZ_H); |
| DUMPREG(HDMI_TG_V_FSZ_L); |
| DUMPREG(HDMI_TG_V_FSZ_H); |
| DUMPREG(HDMI_TG_VSYNC_L); |
| DUMPREG(HDMI_TG_VSYNC_H); |
| DUMPREG(HDMI_TG_VSYNC2_L); |
| DUMPREG(HDMI_TG_VSYNC2_H); |
| DUMPREG(HDMI_TG_VACT_ST_L); |
| DUMPREG(HDMI_TG_VACT_ST_H); |
| DUMPREG(HDMI_TG_VACT_SZ_L); |
| DUMPREG(HDMI_TG_VACT_SZ_H); |
| DUMPREG(HDMI_TG_FIELD_CHG_L); |
| DUMPREG(HDMI_TG_FIELD_CHG_H); |
| DUMPREG(HDMI_TG_VACT_ST2_L); |
| DUMPREG(HDMI_TG_VACT_ST2_H); |
| DUMPREG(HDMI_TG_VSYNC_TOP_HDMI_L); |
| DUMPREG(HDMI_TG_VSYNC_TOP_HDMI_H); |
| DUMPREG(HDMI_TG_VSYNC_BOT_HDMI_L); |
| DUMPREG(HDMI_TG_VSYNC_BOT_HDMI_H); |
| DUMPREG(HDMI_TG_FIELD_TOP_HDMI_L); |
| DUMPREG(HDMI_TG_FIELD_TOP_HDMI_H); |
| DUMPREG(HDMI_TG_FIELD_BOT_HDMI_L); |
| DUMPREG(HDMI_TG_FIELD_BOT_HDMI_H); |
| #undef DUMPREG |
| } |
| |
| static void hdmi_v14_regs_dump(struct hdmi_context *hdata, char *prefix) |
| { |
| int i; |
| |
| #define DUMPREG(reg_id) \ |
| DRM_DEBUG_KMS("%s:" #reg_id " = %08x\n", prefix, \ |
| readl(hdata->regs + reg_id)) |
| |
| DRM_DEBUG_KMS("%s: ---- CONTROL REGISTERS ----\n", prefix); |
| DUMPREG(HDMI_INTC_CON); |
| DUMPREG(HDMI_INTC_FLAG); |
| DUMPREG(HDMI_HPD_STATUS); |
| DUMPREG(HDMI_INTC_CON_1); |
| DUMPREG(HDMI_INTC_FLAG_1); |
| DUMPREG(HDMI_PHY_STATUS_0); |
| DUMPREG(HDMI_PHY_STATUS_PLL); |
| DUMPREG(HDMI_PHY_CON_0); |
| DUMPREG(HDMI_PHY_RSTOUT); |
| DUMPREG(HDMI_PHY_VPLL); |
| DUMPREG(HDMI_PHY_CMU); |
| DUMPREG(HDMI_CORE_RSTOUT); |
| |
| DRM_DEBUG_KMS("%s: ---- CORE REGISTERS ----\n", prefix); |
| DUMPREG(HDMI_CON_0); |
| DUMPREG(HDMI_CON_1); |
| DUMPREG(HDMI_CON_2); |
| DUMPREG(HDMI_SYS_STATUS); |
| DUMPREG(HDMI_PHY_STATUS_0); |
| DUMPREG(HDMI_STATUS_EN); |
| DUMPREG(HDMI_HPD); |
| DUMPREG(HDMI_MODE_SEL); |
| DUMPREG(HDMI_ENC_EN); |
| DUMPREG(HDMI_DC_CONTROL); |
| DUMPREG(HDMI_VIDEO_PATTERN_GEN); |
| |
| DRM_DEBUG_KMS("%s: ---- CORE SYNC REGISTERS ----\n", prefix); |
| DUMPREG(HDMI_H_BLANK_0); |
| DUMPREG(HDMI_H_BLANK_1); |
| DUMPREG(HDMI_V2_BLANK_0); |
| DUMPREG(HDMI_V2_BLANK_1); |
| DUMPREG(HDMI_V1_BLANK_0); |
| DUMPREG(HDMI_V1_BLANK_1); |
| DUMPREG(HDMI_V_LINE_0); |
| DUMPREG(HDMI_V_LINE_1); |
| DUMPREG(HDMI_H_LINE_0); |
| DUMPREG(HDMI_H_LINE_1); |
| DUMPREG(HDMI_HSYNC_POL); |
| |
| DUMPREG(HDMI_VSYNC_POL); |
| DUMPREG(HDMI_INT_PRO_MODE); |
| DUMPREG(HDMI_V_BLANK_F0_0); |
| DUMPREG(HDMI_V_BLANK_F0_1); |
| DUMPREG(HDMI_V_BLANK_F1_0); |
| DUMPREG(HDMI_V_BLANK_F1_1); |
| |
| DUMPREG(HDMI_H_SYNC_START_0); |
| DUMPREG(HDMI_H_SYNC_START_1); |
| DUMPREG(HDMI_H_SYNC_END_0); |
| DUMPREG(HDMI_H_SYNC_END_1); |
| |
| DUMPREG(HDMI_V_SYNC_LINE_BEF_2_0); |
| DUMPREG(HDMI_V_SYNC_LINE_BEF_2_1); |
| DUMPREG(HDMI_V_SYNC_LINE_BEF_1_0); |
| DUMPREG(HDMI_V_SYNC_LINE_BEF_1_1); |
| |
| DUMPREG(HDMI_V_SYNC_LINE_AFT_2_0); |
| DUMPREG(HDMI_V_SYNC_LINE_AFT_2_1); |
| DUMPREG(HDMI_V_SYNC_LINE_AFT_1_0); |
| DUMPREG(HDMI_V_SYNC_LINE_AFT_1_1); |
| |
| DUMPREG(HDMI_V_SYNC_LINE_AFT_PXL_2_0); |
| DUMPREG(HDMI_V_SYNC_LINE_AFT_PXL_2_1); |
| DUMPREG(HDMI_V_SYNC_LINE_AFT_PXL_1_0); |
| DUMPREG(HDMI_V_SYNC_LINE_AFT_PXL_1_1); |
| |
| DUMPREG(HDMI_V_BLANK_F2_0); |
| DUMPREG(HDMI_V_BLANK_F2_1); |
| DUMPREG(HDMI_V_BLANK_F3_0); |
| DUMPREG(HDMI_V_BLANK_F3_1); |
| DUMPREG(HDMI_V_BLANK_F4_0); |
| DUMPREG(HDMI_V_BLANK_F4_1); |
| DUMPREG(HDMI_V_BLANK_F5_0); |
| DUMPREG(HDMI_V_BLANK_F5_1); |
| |
| DUMPREG(HDMI_V_SYNC_LINE_AFT_3_0); |
| DUMPREG(HDMI_V_SYNC_LINE_AFT_3_1); |
| DUMPREG(HDMI_V_SYNC_LINE_AFT_4_0); |
| DUMPREG(HDMI_V_SYNC_LINE_AFT_4_1); |
| DUMPREG(HDMI_V_SYNC_LINE_AFT_5_0); |
| DUMPREG(HDMI_V_SYNC_LINE_AFT_5_1); |
| DUMPREG(HDMI_V_SYNC_LINE_AFT_6_0); |
| DUMPREG(HDMI_V_SYNC_LINE_AFT_6_1); |
| |
| DUMPREG(HDMI_V_SYNC_LINE_AFT_PXL_3_0); |
| DUMPREG(HDMI_V_SYNC_LINE_AFT_PXL_3_1); |
| DUMPREG(HDMI_V_SYNC_LINE_AFT_PXL_4_0); |
| DUMPREG(HDMI_V_SYNC_LINE_AFT_PXL_4_1); |
| DUMPREG(HDMI_V_SYNC_LINE_AFT_PXL_5_0); |
| DUMPREG(HDMI_V_SYNC_LINE_AFT_PXL_5_1); |
| DUMPREG(HDMI_V_SYNC_LINE_AFT_PXL_6_0); |
| DUMPREG(HDMI_V_SYNC_LINE_AFT_PXL_6_1); |
| |
| DUMPREG(HDMI_VACT_SPACE_1_0); |
| DUMPREG(HDMI_VACT_SPACE_1_1); |
| DUMPREG(HDMI_VACT_SPACE_2_0); |
| DUMPREG(HDMI_VACT_SPACE_2_1); |
| DUMPREG(HDMI_VACT_SPACE_3_0); |
| DUMPREG(HDMI_VACT_SPACE_3_1); |
| DUMPREG(HDMI_VACT_SPACE_4_0); |
| DUMPREG(HDMI_VACT_SPACE_4_1); |
| DUMPREG(HDMI_VACT_SPACE_5_0); |
| DUMPREG(HDMI_VACT_SPACE_5_1); |
| DUMPREG(HDMI_VACT_SPACE_6_0); |
| DUMPREG(HDMI_VACT_SPACE_6_1); |
| |
| DRM_DEBUG_KMS("%s: ---- TG REGISTERS ----\n", prefix); |
| DUMPREG(HDMI_TG_CMD); |
| DUMPREG(HDMI_TG_H_FSZ_L); |
| DUMPREG(HDMI_TG_H_FSZ_H); |
| DUMPREG(HDMI_TG_HACT_ST_L); |
| DUMPREG(HDMI_TG_HACT_ST_H); |
| DUMPREG(HDMI_TG_HACT_SZ_L); |
| DUMPREG(HDMI_TG_HACT_SZ_H); |
| DUMPREG(HDMI_TG_V_FSZ_L); |
| DUMPREG(HDMI_TG_V_FSZ_H); |
| DUMPREG(HDMI_TG_VSYNC_L); |
| DUMPREG(HDMI_TG_VSYNC_H); |
| DUMPREG(HDMI_TG_VSYNC2_L); |
| DUMPREG(HDMI_TG_VSYNC2_H); |
| DUMPREG(HDMI_TG_VACT_ST_L); |
| DUMPREG(HDMI_TG_VACT_ST_H); |
| DUMPREG(HDMI_TG_VACT_SZ_L); |
| DUMPREG(HDMI_TG_VACT_SZ_H); |
| DUMPREG(HDMI_TG_FIELD_CHG_L); |
| DUMPREG(HDMI_TG_FIELD_CHG_H); |
| DUMPREG(HDMI_TG_VACT_ST2_L); |
| DUMPREG(HDMI_TG_VACT_ST2_H); |
| DUMPREG(HDMI_TG_VACT_ST3_L); |
| DUMPREG(HDMI_TG_VACT_ST3_H); |
| DUMPREG(HDMI_TG_VACT_ST4_L); |
| DUMPREG(HDMI_TG_VACT_ST4_H); |
| DUMPREG(HDMI_TG_VSYNC_TOP_HDMI_L); |
| DUMPREG(HDMI_TG_VSYNC_TOP_HDMI_H); |
| DUMPREG(HDMI_TG_VSYNC_BOT_HDMI_L); |
| DUMPREG(HDMI_TG_VSYNC_BOT_HDMI_H); |
| DUMPREG(HDMI_TG_FIELD_TOP_HDMI_L); |
| DUMPREG(HDMI_TG_FIELD_TOP_HDMI_H); |
| DUMPREG(HDMI_TG_FIELD_BOT_HDMI_L); |
| DUMPREG(HDMI_TG_FIELD_BOT_HDMI_H); |
| DUMPREG(HDMI_TG_3D); |
| |
| DRM_DEBUG_KMS("%s: ---- PACKET REGISTERS ----\n", prefix); |
| DUMPREG(HDMI_AVI_CON); |
| DUMPREG(HDMI_AVI_HEADER0); |
| DUMPREG(HDMI_AVI_HEADER1); |
| DUMPREG(HDMI_AVI_HEADER2); |
| DUMPREG(HDMI_AVI_CHECK_SUM); |
| DUMPREG(HDMI_VSI_CON); |
| DUMPREG(HDMI_VSI_HEADER0); |
| DUMPREG(HDMI_VSI_HEADER1); |
| DUMPREG(HDMI_VSI_HEADER2); |
| for (i = 0; i < 7; ++i) |
| DUMPREG(HDMI_VSI_DATA(i)); |
| |
| #undef DUMPREG |
| } |
| |
| static void hdmi_regs_dump(struct hdmi_context *hdata, char *prefix) |
| { |
| if (hdata->type == HDMI_TYPE13) |
| hdmi_v13_regs_dump(hdata, prefix); |
| else |
| hdmi_v14_regs_dump(hdata, prefix); |
| } |
| |
| static u8 hdmi_chksum(struct hdmi_context *hdata, |
| u32 start, u8 len, u32 hdr_sum) |
| { |
| int i; |
| |
| /* hdr_sum : header0 + header1 + header2 |
| * start : start address of packet byte1 |
| * len : packet bytes - 1 */ |
| for (i = 0; i < len; ++i) |
| hdr_sum += 0xff & hdmi_reg_read(hdata, start + i * 4); |
| |
| /* return 2's complement of 8 bit hdr_sum */ |
| return (u8)(~(hdr_sum & 0xff) + 1); |
| } |
| |
| static void hdmi_reg_infoframe(struct hdmi_context *hdata, |
| union hdmi_infoframe *infoframe) |
| { |
| u32 hdr_sum; |
| u8 chksum; |
| u32 mod; |
| u32 vic; |
| |
| mod = hdmi_reg_read(hdata, HDMI_MODE_SEL); |
| if (hdata->dvi_mode) { |
| hdmi_reg_writeb(hdata, HDMI_VSI_CON, |
| HDMI_VSI_CON_DO_NOT_TRANSMIT); |
| hdmi_reg_writeb(hdata, HDMI_AVI_CON, |
| HDMI_AVI_CON_DO_NOT_TRANSMIT); |
| hdmi_reg_writeb(hdata, HDMI_AUI_CON, HDMI_AUI_CON_NO_TRAN); |
| return; |
| } |
| |
| switch (infoframe->any.type) { |
| case HDMI_INFOFRAME_TYPE_AVI: |
| hdmi_reg_writeb(hdata, HDMI_AVI_CON, HDMI_AVI_CON_EVERY_VSYNC); |
| hdmi_reg_writeb(hdata, HDMI_AVI_HEADER0, infoframe->any.type); |
| hdmi_reg_writeb(hdata, HDMI_AVI_HEADER1, |
| infoframe->any.version); |
| hdmi_reg_writeb(hdata, HDMI_AVI_HEADER2, infoframe->any.length); |
| hdr_sum = infoframe->any.type + infoframe->any.version + |
| infoframe->any.length; |
| |
| /* Output format zero hardcoded ,RGB YBCR selection */ |
| hdmi_reg_writeb(hdata, HDMI_AVI_BYTE(1), 0 << 5 | |
| AVI_ACTIVE_FORMAT_VALID | |
| AVI_UNDERSCANNED_DISPLAY_VALID); |
| |
| /* |
| * Set the aspect ratio as per the mode, mentioned in |
| * Table 9 AVI InfoFrame Data Byte 2 of CEA-861-D Standard |
| */ |
| switch (hdata->mode_conf.aspect_ratio) { |
| case HDMI_PICTURE_ASPECT_4_3: |
| hdmi_reg_writeb(hdata, HDMI_AVI_BYTE(2), |
| hdata->mode_conf.aspect_ratio | |
| AVI_4_3_CENTER_RATIO); |
| break; |
| case HDMI_PICTURE_ASPECT_16_9: |
| hdmi_reg_writeb(hdata, HDMI_AVI_BYTE(2), |
| hdata->mode_conf.aspect_ratio | |
| AVI_16_9_CENTER_RATIO); |
| break; |
| case HDMI_PICTURE_ASPECT_NONE: |
| default: |
| hdmi_reg_writeb(hdata, HDMI_AVI_BYTE(2), |
| hdata->mode_conf.aspect_ratio | |
| AVI_SAME_AS_PIC_ASPECT_RATIO); |
| break; |
| } |
| |
| vic = hdata->mode_conf.cea_video_id; |
| hdmi_reg_writeb(hdata, HDMI_AVI_BYTE(4), vic); |
| |
| chksum = hdmi_chksum(hdata, HDMI_AVI_BYTE(1), |
| infoframe->any.length, hdr_sum); |
| DRM_DEBUG_KMS("AVI checksum = 0x%x\n", chksum); |
| hdmi_reg_writeb(hdata, HDMI_AVI_CHECK_SUM, chksum); |
| break; |
| case HDMI_INFOFRAME_TYPE_AUDIO: |
| hdmi_reg_writeb(hdata, HDMI_AUI_CON, 0x02); |
| hdmi_reg_writeb(hdata, HDMI_AUI_HEADER0, infoframe->any.type); |
| hdmi_reg_writeb(hdata, HDMI_AUI_HEADER1, |
| infoframe->any.version); |
| hdmi_reg_writeb(hdata, HDMI_AUI_HEADER2, infoframe->any.length); |
| hdr_sum = infoframe->any.type + infoframe->any.version + |
| infoframe->any.length; |
| chksum = hdmi_chksum(hdata, HDMI_AUI_BYTE(1), |
| infoframe->any.length, hdr_sum); |
| DRM_DEBUG_KMS("AUI checksum = 0x%x\n", chksum); |
| hdmi_reg_writeb(hdata, HDMI_AUI_CHECK_SUM, chksum); |
| break; |
| default: |
| break; |
| } |
| } |
| |
| static int hdmi_initialize(void *ctx, struct drm_device *drm_dev) |
| { |
| struct hdmi_context *hdata = ctx; |
| |
| hdata->drm_dev = drm_dev; |
| |
| return 0; |
| } |
| |
| static bool hdmi_is_connected(void *ctx) |
| { |
| struct hdmi_context *hdata = ctx; |
| |
| return hdata->hpd; |
| } |
| |
| static struct edid *hdmi_get_edid(void *ctx, struct drm_connector *connector) |
| { |
| struct edid *raw_edid; |
| struct hdmi_context *hdata = ctx; |
| |
| if (!hdata->ddc_port) |
| return ERR_PTR(-ENODEV); |
| |
| raw_edid = drm_get_edid(connector, hdata->ddc_port->adapter); |
| if (!raw_edid) |
| return ERR_PTR(-ENODEV); |
| |
| hdata->dvi_mode = !drm_detect_hdmi_monitor(raw_edid); |
| DRM_DEBUG_KMS("%s : width[%d] x height[%d]\n", |
| (hdata->dvi_mode ? "dvi monitor" : "hdmi monitor"), |
| raw_edid->width_cm, raw_edid->height_cm); |
| |
| return raw_edid; |
| } |
| |
| static int hdmi_find_phy_conf(struct hdmi_context *hdata, u32 pixel_clock) |
| { |
| const struct hdmiphy_config *confs; |
| int count, i; |
| |
| if (hdata->type == HDMI_TYPE13) { |
| confs = hdmiphy_v13_configs; |
| count = ARRAY_SIZE(hdmiphy_v13_configs); |
| } else if (hdata->type == HDMI_TYPE14) { |
| confs = hdmiphy_v14_configs; |
| count = ARRAY_SIZE(hdmiphy_v14_configs); |
| } else |
| return -EINVAL; |
| |
| for (i = 0; i < count; i++) |
| if (confs[i].pixel_clock == pixel_clock) |
| return i; |
| |
| DRM_DEBUG_KMS("Could not find phy config for %d\n", pixel_clock); |
| return -EINVAL; |
| } |
| |
| static int hdmi_check_mode(void *ctx, struct drm_display_mode *mode) |
| { |
| struct hdmi_context *hdata = ctx; |
| int ret; |
| |
| DRM_DEBUG_KMS("xres=%d, yres=%d, refresh=%d, intl=%d clock=%d\n", |
| mode->hdisplay, mode->vdisplay, mode->vrefresh, |
| (mode->flags & DRM_MODE_FLAG_INTERLACE) ? true : |
| false, mode->clock * 1000); |
| |
| ret = hdmi_find_phy_conf(hdata, mode->clock * 1000); |
| if (ret < 0) |
| return ret; |
| return 0; |
| } |
| |
| static void hdmi_set_acr(u32 freq, u8 *acr) |
| { |
| u32 n, cts; |
| |
| switch (freq) { |
| case 32000: |
| n = 4096; |
| cts = 27000; |
| break; |
| case 44100: |
| n = 6272; |
| cts = 30000; |
| break; |
| case 88200: |
| n = 12544; |
| cts = 30000; |
| break; |
| case 176400: |
| n = 25088; |
| cts = 30000; |
| break; |
| case 48000: |
| n = 6144; |
| cts = 27000; |
| break; |
| case 96000: |
| n = 12288; |
| cts = 27000; |
| break; |
| case 192000: |
| n = 24576; |
| cts = 27000; |
| break; |
| default: |
| n = 0; |
| cts = 0; |
| break; |
| } |
| |
| acr[1] = cts >> 16; |
| acr[2] = cts >> 8 & 0xff; |
| acr[3] = cts & 0xff; |
| |
| acr[4] = n >> 16; |
| acr[5] = n >> 8 & 0xff; |
| acr[6] = n & 0xff; |
| } |
| |
| static void hdmi_reg_acr(struct hdmi_context *hdata, u8 *acr) |
| { |
| hdmi_reg_writeb(hdata, HDMI_ACR_N0, acr[6]); |
| hdmi_reg_writeb(hdata, HDMI_ACR_N1, acr[5]); |
| hdmi_reg_writeb(hdata, HDMI_ACR_N2, acr[4]); |
| hdmi_reg_writeb(hdata, HDMI_ACR_MCTS0, acr[3]); |
| hdmi_reg_writeb(hdata, HDMI_ACR_MCTS1, acr[2]); |
| hdmi_reg_writeb(hdata, HDMI_ACR_MCTS2, acr[1]); |
| hdmi_reg_writeb(hdata, HDMI_ACR_CTS0, acr[3]); |
| hdmi_reg_writeb(hdata, HDMI_ACR_CTS1, acr[2]); |
| hdmi_reg_writeb(hdata, HDMI_ACR_CTS2, acr[1]); |
| |
| if (hdata->type == HDMI_TYPE13) |
| hdmi_reg_writeb(hdata, HDMI_V13_ACR_CON, 4); |
| else |
| hdmi_reg_writeb(hdata, HDMI_ACR_CON, 4); |
| } |
| |
| static void hdmi_audio_init(struct hdmi_context *hdata) |
| { |
| u32 sample_rate, bits_per_sample, frame_size_code; |
| u32 data_num, bit_ch, sample_frq; |
| u32 val; |
| u8 acr[7]; |
| |
| sample_rate = 44100; |
| bits_per_sample = 16; |
| frame_size_code = 0; |
| |
| switch (bits_per_sample) { |
| case 20: |
| data_num = 2; |
| bit_ch = 1; |
| break; |
| case 24: |
| data_num = 3; |
| bit_ch = 1; |
| break; |
| default: |
| data_num = 1; |
| bit_ch = 0; |
| break; |
| } |
| |
| hdmi_set_acr(sample_rate, acr); |
| hdmi_reg_acr(hdata, acr); |
| |
| hdmi_reg_writeb(hdata, HDMI_I2S_MUX_CON, HDMI_I2S_IN_DISABLE |
| | HDMI_I2S_AUD_I2S | HDMI_I2S_CUV_I2S_ENABLE |
| | HDMI_I2S_MUX_ENABLE); |
| |
| hdmi_reg_writeb(hdata, HDMI_I2S_MUX_CH, HDMI_I2S_CH0_EN |
| | HDMI_I2S_CH1_EN | HDMI_I2S_CH2_EN); |
| |
| hdmi_reg_writeb(hdata, HDMI_I2S_MUX_CUV, HDMI_I2S_CUV_RL_EN); |
| |
| sample_frq = (sample_rate == 44100) ? 0 : |
| (sample_rate == 48000) ? 2 : |
| (sample_rate == 32000) ? 3 : |
| (sample_rate == 96000) ? 0xa : 0x0; |
| |
| hdmi_reg_writeb(hdata, HDMI_I2S_CLK_CON, HDMI_I2S_CLK_DIS); |
| hdmi_reg_writeb(hdata, HDMI_I2S_CLK_CON, HDMI_I2S_CLK_EN); |
| |
| val = hdmi_reg_read(hdata, HDMI_I2S_DSD_CON) | 0x01; |
| hdmi_reg_writeb(hdata, HDMI_I2S_DSD_CON, val); |
| |
| /* Configuration I2S input ports. Configure I2S_PIN_SEL_0~4 */ |
| hdmi_reg_writeb(hdata, HDMI_I2S_PIN_SEL_0, HDMI_I2S_SEL_SCLK(5) |
| | HDMI_I2S_SEL_LRCK(6)); |
| hdmi_reg_writeb(hdata, HDMI_I2S_PIN_SEL_1, HDMI_I2S_SEL_SDATA1(1) |
| | HDMI_I2S_SEL_SDATA2(4)); |
| hdmi_reg_writeb(hdata, HDMI_I2S_PIN_SEL_2, HDMI_I2S_SEL_SDATA3(1) |
| | HDMI_I2S_SEL_SDATA2(2)); |
| hdmi_reg_writeb(hdata, HDMI_I2S_PIN_SEL_3, HDMI_I2S_SEL_DSD(0)); |
| |
| /* I2S_CON_1 & 2 */ |
| hdmi_reg_writeb(hdata, HDMI_I2S_CON_1, HDMI_I2S_SCLK_FALLING_EDGE |
| | HDMI_I2S_L_CH_LOW_POL); |
| hdmi_reg_writeb(hdata, HDMI_I2S_CON_2, HDMI_I2S_MSB_FIRST_MODE |
| | HDMI_I2S_SET_BIT_CH(bit_ch) |
| | HDMI_I2S_SET_SDATA_BIT(data_num) |
| | HDMI_I2S_BASIC_FORMAT); |
| |
| /* Configure register related to CUV information */ |
| hdmi_reg_writeb(hdata, HDMI_I2S_CH_ST_0, HDMI_I2S_CH_STATUS_MODE_0 |
| | HDMI_I2S_2AUD_CH_WITHOUT_PREEMPH |
| | HDMI_I2S_COPYRIGHT |
| | HDMI_I2S_LINEAR_PCM |
| | HDMI_I2S_CONSUMER_FORMAT); |
| hdmi_reg_writeb(hdata, HDMI_I2S_CH_ST_1, HDMI_I2S_CD_PLAYER); |
| hdmi_reg_writeb(hdata, HDMI_I2S_CH_ST_2, HDMI_I2S_SET_SOURCE_NUM(0)); |
| hdmi_reg_writeb(hdata, HDMI_I2S_CH_ST_3, HDMI_I2S_CLK_ACCUR_LEVEL_2 |
| | HDMI_I2S_SET_SMP_FREQ(sample_frq)); |
| hdmi_reg_writeb(hdata, HDMI_I2S_CH_ST_4, |
| HDMI_I2S_ORG_SMP_FREQ_44_1 |
| | HDMI_I2S_WORD_LEN_MAX24_24BITS |
| | HDMI_I2S_WORD_LEN_MAX_24BITS); |
| |
| hdmi_reg_writeb(hdata, HDMI_I2S_CH_ST_CON, HDMI_I2S_CH_STATUS_RELOAD); |
| } |
| |
| static void hdmi_audio_control(struct hdmi_context *hdata, bool onoff) |
| { |
| if (hdata->dvi_mode) |
| return; |
| |
| hdmi_reg_writeb(hdata, HDMI_AUI_CON, onoff ? 2 : 0); |
| hdmi_reg_writemask(hdata, HDMI_CON_0, onoff ? |
| HDMI_ASP_EN : HDMI_ASP_DIS, HDMI_ASP_MASK); |
| } |
| |
| static void hdmi_conf_reset(struct hdmi_context *hdata) |
| { |
| u32 reg; |
| |
| if (hdata->type == HDMI_TYPE13) |
| reg = HDMI_V13_CORE_RSTOUT; |
| else |
| reg = HDMI_CORE_RSTOUT; |
| |
| /* resetting HDMI core */ |
| hdmi_reg_writemask(hdata, reg, 0, HDMI_CORE_SW_RSTOUT); |
| usleep_range(10000, 12000); |
| hdmi_reg_writemask(hdata, reg, ~0, HDMI_CORE_SW_RSTOUT); |
| usleep_range(10000, 12000); |
| } |
| |
| static void hdmi_conf_init(struct hdmi_context *hdata) |
| { |
| union hdmi_infoframe infoframe; |
| |
| /* disable HPD interrupts from HDMI IP block, use GPIO instead */ |
| hdmi_reg_writemask(hdata, HDMI_INTC_CON, 0, HDMI_INTC_EN_GLOBAL | |
| HDMI_INTC_EN_HPD_PLUG | HDMI_INTC_EN_HPD_UNPLUG); |
| |
| /* choose HDMI mode */ |
| hdmi_reg_writemask(hdata, HDMI_MODE_SEL, |
| HDMI_MODE_HDMI_EN, HDMI_MODE_MASK); |
| /* disable bluescreen */ |
| hdmi_reg_writemask(hdata, HDMI_CON_0, 0, HDMI_BLUE_SCR_EN); |
| |
| if (hdata->dvi_mode) { |
| /* choose DVI mode */ |
| hdmi_reg_writemask(hdata, HDMI_MODE_SEL, |
| HDMI_MODE_DVI_EN, HDMI_MODE_MASK); |
| hdmi_reg_writeb(hdata, HDMI_CON_2, |
| HDMI_VID_PREAMBLE_DIS | HDMI_GUARD_BAND_DIS); |
| } |
| |
| if (hdata->type == HDMI_TYPE13) { |
| /* choose bluescreen (fecal) color */ |
| hdmi_reg_writeb(hdata, HDMI_V13_BLUE_SCREEN_0, 0x12); |
| hdmi_reg_writeb(hdata, HDMI_V13_BLUE_SCREEN_1, 0x34); |
| hdmi_reg_writeb(hdata, HDMI_V13_BLUE_SCREEN_2, 0x56); |
| |
| /* enable AVI packet every vsync, fixes purple line problem */ |
| hdmi_reg_writeb(hdata, HDMI_V13_AVI_CON, 0x02); |
| /* force RGB, look to CEA-861-D, table 7 for more detail */ |
| hdmi_reg_writeb(hdata, HDMI_V13_AVI_BYTE(0), 0 << 5); |
| hdmi_reg_writemask(hdata, HDMI_CON_1, 0x10 << 5, 0x11 << 5); |
| |
| hdmi_reg_writeb(hdata, HDMI_V13_SPD_CON, 0x02); |
| hdmi_reg_writeb(hdata, HDMI_V13_AUI_CON, 0x02); |
| hdmi_reg_writeb(hdata, HDMI_V13_ACR_CON, 0x04); |
| } else { |
| infoframe.any.type = HDMI_INFOFRAME_TYPE_AVI; |
| infoframe.any.version = HDMI_AVI_VERSION; |
| infoframe.any.length = HDMI_AVI_LENGTH; |
| hdmi_reg_infoframe(hdata, &infoframe); |
| |
| infoframe.any.type = HDMI_INFOFRAME_TYPE_AUDIO; |
| infoframe.any.version = HDMI_AUI_VERSION; |
| infoframe.any.length = HDMI_AUI_LENGTH; |
| hdmi_reg_infoframe(hdata, &infoframe); |
| |
| /* enable AVI packet every vsync, fixes purple line problem */ |
| hdmi_reg_writemask(hdata, HDMI_CON_1, 2, 3 << 5); |
| } |
| } |
| |
| static void hdmi_v13_mode_apply(struct hdmi_context *hdata) |
| { |
| const struct hdmi_tg_regs *tg = &hdata->mode_conf.conf.v13_conf.tg; |
| const struct hdmi_v13_core_regs *core = |
| &hdata->mode_conf.conf.v13_conf.core; |
| int tries; |
| |
| /* setting core registers */ |
| hdmi_reg_writeb(hdata, HDMI_H_BLANK_0, core->h_blank[0]); |
| hdmi_reg_writeb(hdata, HDMI_H_BLANK_1, core->h_blank[1]); |
| hdmi_reg_writeb(hdata, HDMI_V13_V_BLANK_0, core->v_blank[0]); |
| hdmi_reg_writeb(hdata, HDMI_V13_V_BLANK_1, core->v_blank[1]); |
| hdmi_reg_writeb(hdata, HDMI_V13_V_BLANK_2, core->v_blank[2]); |
| hdmi_reg_writeb(hdata, HDMI_V13_H_V_LINE_0, core->h_v_line[0]); |
| hdmi_reg_writeb(hdata, HDMI_V13_H_V_LINE_1, core->h_v_line[1]); |
| hdmi_reg_writeb(hdata, HDMI_V13_H_V_LINE_2, core->h_v_line[2]); |
| hdmi_reg_writeb(hdata, HDMI_VSYNC_POL, core->vsync_pol[0]); |
| hdmi_reg_writeb(hdata, HDMI_INT_PRO_MODE, core->int_pro_mode[0]); |
| hdmi_reg_writeb(hdata, HDMI_V13_V_BLANK_F_0, core->v_blank_f[0]); |
| hdmi_reg_writeb(hdata, HDMI_V13_V_BLANK_F_1, core->v_blank_f[1]); |
| hdmi_reg_writeb(hdata, HDMI_V13_V_BLANK_F_2, core->v_blank_f[2]); |
| hdmi_reg_writeb(hdata, HDMI_V13_H_SYNC_GEN_0, core->h_sync_gen[0]); |
| hdmi_reg_writeb(hdata, HDMI_V13_H_SYNC_GEN_1, core->h_sync_gen[1]); |
| hdmi_reg_writeb(hdata, HDMI_V13_H_SYNC_GEN_2, core->h_sync_gen[2]); |
| hdmi_reg_writeb(hdata, HDMI_V13_V_SYNC_GEN_1_0, core->v_sync_gen1[0]); |
| hdmi_reg_writeb(hdata, HDMI_V13_V_SYNC_GEN_1_1, core->v_sync_gen1[1]); |
| hdmi_reg_writeb(hdata, HDMI_V13_V_SYNC_GEN_1_2, core->v_sync_gen1[2]); |
| hdmi_reg_writeb(hdata, HDMI_V13_V_SYNC_GEN_2_0, core->v_sync_gen2[0]); |
| hdmi_reg_writeb(hdata, HDMI_V13_V_SYNC_GEN_2_1, core->v_sync_gen2[1]); |
| hdmi_reg_writeb(hdata, HDMI_V13_V_SYNC_GEN_2_2, core->v_sync_gen2[2]); |
| hdmi_reg_writeb(hdata, HDMI_V13_V_SYNC_GEN_3_0, core->v_sync_gen3[0]); |
| hdmi_reg_writeb(hdata, HDMI_V13_V_SYNC_GEN_3_1, core->v_sync_gen3[1]); |
| hdmi_reg_writeb(hdata, HDMI_V13_V_SYNC_GEN_3_2, core->v_sync_gen3[2]); |
| /* Timing generator registers */ |
| hdmi_reg_writeb(hdata, HDMI_TG_H_FSZ_L, tg->h_fsz[0]); |
| hdmi_reg_writeb(hdata, HDMI_TG_H_FSZ_H, tg->h_fsz[1]); |
| hdmi_reg_writeb(hdata, HDMI_TG_HACT_ST_L, tg->hact_st[0]); |
| hdmi_reg_writeb(hdata, HDMI_TG_HACT_ST_H, tg->hact_st[1]); |
| hdmi_reg_writeb(hdata, HDMI_TG_HACT_SZ_L, tg->hact_sz[0]); |
| hdmi_reg_writeb(hdata, HDMI_TG_HACT_SZ_H, tg->hact_sz[1]); |
| hdmi_reg_writeb(hdata, HDMI_TG_V_FSZ_L, tg->v_fsz[0]); |
| hdmi_reg_writeb(hdata, HDMI_TG_V_FSZ_H, tg->v_fsz[1]); |
| hdmi_reg_writeb(hdata, HDMI_TG_VSYNC_L, tg->vsync[0]); |
| hdmi_reg_writeb(hdata, HDMI_TG_VSYNC_H, tg->vsync[1]); |
| hdmi_reg_writeb(hdata, HDMI_TG_VSYNC2_L, tg->vsync2[0]); |
| hdmi_reg_writeb(hdata, HDMI_TG_VSYNC2_H, tg->vsync2[1]); |
| hdmi_reg_writeb(hdata, HDMI_TG_VACT_ST_L, tg->vact_st[0]); |
| hdmi_reg_writeb(hdata, HDMI_TG_VACT_ST_H, tg->vact_st[1]); |
| hdmi_reg_writeb(hdata, HDMI_TG_VACT_SZ_L, tg->vact_sz[0]); |
| hdmi_reg_writeb(hdata, HDMI_TG_VACT_SZ_H, tg->vact_sz[1]); |
| hdmi_reg_writeb(hdata, HDMI_TG_FIELD_CHG_L, tg->field_chg[0]); |
| hdmi_reg_writeb(hdata, HDMI_TG_FIELD_CHG_H, tg->field_chg[1]); |
| hdmi_reg_writeb(hdata, HDMI_TG_VACT_ST2_L, tg->vact_st2[0]); |
| hdmi_reg_writeb(hdata, HDMI_TG_VACT_ST2_H, tg->vact_st2[1]); |
| hdmi_reg_writeb(hdata, HDMI_TG_VSYNC_TOP_HDMI_L, tg->vsync_top_hdmi[0]); |
| hdmi_reg_writeb(hdata, HDMI_TG_VSYNC_TOP_HDMI_H, tg->vsync_top_hdmi[1]); |
| hdmi_reg_writeb(hdata, HDMI_TG_VSYNC_BOT_HDMI_L, tg->vsync_bot_hdmi[0]); |
| hdmi_reg_writeb(hdata, HDMI_TG_VSYNC_BOT_HDMI_H, tg->vsync_bot_hdmi[1]); |
| hdmi_reg_writeb(hdata, HDMI_TG_FIELD_TOP_HDMI_L, tg->field_top_hdmi[0]); |
| hdmi_reg_writeb(hdata, HDMI_TG_FIELD_TOP_HDMI_H, tg->field_top_hdmi[1]); |
| hdmi_reg_writeb(hdata, HDMI_TG_FIELD_BOT_HDMI_L, tg->field_bot_hdmi[0]); |
| hdmi_reg_writeb(hdata, HDMI_TG_FIELD_BOT_HDMI_H, tg->field_bot_hdmi[1]); |
| |
| /* waiting for HDMIPHY's PLL to get to steady state */ |
| for (tries = 100; tries; --tries) { |
| u32 val = hdmi_reg_read(hdata, HDMI_V13_PHY_STATUS); |
| if (val & HDMI_PHY_STATUS_READY) |
| break; |
| usleep_range(1000, 2000); |
| } |
| /* steady state not achieved */ |
| if (tries == 0) { |
| DRM_ERROR("hdmiphy's pll could not reach steady state.\n"); |
| hdmi_regs_dump(hdata, "timing apply"); |
| } |
| |
| clk_disable_unprepare(hdata->res.sclk_hdmi); |
| clk_set_parent(hdata->res.mout_hdmi, hdata->res.sclk_hdmiphy); |
| clk_prepare_enable(hdata->res.sclk_hdmi); |
| |
| /* enable HDMI and timing generator */ |
| hdmi_reg_writemask(hdata, HDMI_CON_0, ~0, HDMI_EN); |
| if (core->int_pro_mode[0]) |
| hdmi_reg_writemask(hdata, HDMI_TG_CMD, ~0, HDMI_TG_EN | |
| HDMI_FIELD_EN); |
| else |
| hdmi_reg_writemask(hdata, HDMI_TG_CMD, ~0, HDMI_TG_EN); |
| } |
| |
| static void hdmi_v14_mode_apply(struct hdmi_context *hdata) |
| { |
| const struct hdmi_tg_regs *tg = &hdata->mode_conf.conf.v14_conf.tg; |
| const struct hdmi_v14_core_regs *core = |
| &hdata->mode_conf.conf.v14_conf.core; |
| int tries; |
| |
| /* setting core registers */ |
| hdmi_reg_writeb(hdata, HDMI_H_BLANK_0, core->h_blank[0]); |
| hdmi_reg_writeb(hdata, HDMI_H_BLANK_1, core->h_blank[1]); |
| hdmi_reg_writeb(hdata, HDMI_V2_BLANK_0, core->v2_blank[0]); |
| hdmi_reg_writeb(hdata, HDMI_V2_BLANK_1, core->v2_blank[1]); |
| hdmi_reg_writeb(hdata, HDMI_V1_BLANK_0, core->v1_blank[0]); |
| hdmi_reg_writeb(hdata, HDMI_V1_BLANK_1, core->v1_blank[1]); |
| hdmi_reg_writeb(hdata, HDMI_V_LINE_0, core->v_line[0]); |
| hdmi_reg_writeb(hdata, HDMI_V_LINE_1, core->v_line[1]); |
| hdmi_reg_writeb(hdata, HDMI_H_LINE_0, core->h_line[0]); |
| hdmi_reg_writeb(hdata, HDMI_H_LINE_1, core->h_line[1]); |
| hdmi_reg_writeb(hdata, HDMI_HSYNC_POL, core->hsync_pol[0]); |
| hdmi_reg_writeb(hdata, HDMI_VSYNC_POL, core->vsync_pol[0]); |
| hdmi_reg_writeb(hdata, HDMI_INT_PRO_MODE, core->int_pro_mode[0]); |
| hdmi_reg_writeb(hdata, HDMI_V_BLANK_F0_0, core->v_blank_f0[0]); |
| hdmi_reg_writeb(hdata, HDMI_V_BLANK_F0_1, core->v_blank_f0[1]); |
| hdmi_reg_writeb(hdata, HDMI_V_BLANK_F1_0, core->v_blank_f1[0]); |
| hdmi_reg_writeb(hdata, HDMI_V_BLANK_F1_1, core->v_blank_f1[1]); |
| hdmi_reg_writeb(hdata, HDMI_H_SYNC_START_0, core->h_sync_start[0]); |
| hdmi_reg_writeb(hdata, HDMI_H_SYNC_START_1, core->h_sync_start[1]); |
| hdmi_reg_writeb(hdata, HDMI_H_SYNC_END_0, core->h_sync_end[0]); |
| hdmi_reg_writeb(hdata, HDMI_H_SYNC_END_1, core->h_sync_end[1]); |
| hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_BEF_2_0, |
| core->v_sync_line_bef_2[0]); |
| hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_BEF_2_1, |
| core->v_sync_line_bef_2[1]); |
| hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_BEF_1_0, |
| core->v_sync_line_bef_1[0]); |
| hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_BEF_1_1, |
| core->v_sync_line_bef_1[1]); |
| hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_2_0, |
| core->v_sync_line_aft_2[0]); |
| hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_2_1, |
| core->v_sync_line_aft_2[1]); |
| hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_1_0, |
| core->v_sync_line_aft_1[0]); |
| hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_1_1, |
| core->v_sync_line_aft_1[1]); |
| hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_PXL_2_0, |
| core->v_sync_line_aft_pxl_2[0]); |
| hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_PXL_2_1, |
| core->v_sync_line_aft_pxl_2[1]); |
| hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_PXL_1_0, |
| core->v_sync_line_aft_pxl_1[0]); |
| hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_PXL_1_1, |
| core->v_sync_line_aft_pxl_1[1]); |
| hdmi_reg_writeb(hdata, HDMI_V_BLANK_F2_0, core->v_blank_f2[0]); |
| hdmi_reg_writeb(hdata, HDMI_V_BLANK_F2_1, core->v_blank_f2[1]); |
| hdmi_reg_writeb(hdata, HDMI_V_BLANK_F3_0, core->v_blank_f3[0]); |
| hdmi_reg_writeb(hdata, HDMI_V_BLANK_F3_1, core->v_blank_f3[1]); |
| hdmi_reg_writeb(hdata, HDMI_V_BLANK_F4_0, core->v_blank_f4[0]); |
| hdmi_reg_writeb(hdata, HDMI_V_BLANK_F4_1, core->v_blank_f4[1]); |
| hdmi_reg_writeb(hdata, HDMI_V_BLANK_F5_0, core->v_blank_f5[0]); |
| hdmi_reg_writeb(hdata, HDMI_V_BLANK_F5_1, core->v_blank_f5[1]); |
| hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_3_0, |
| core->v_sync_line_aft_3[0]); |
| hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_3_1, |
| core->v_sync_line_aft_3[1]); |
| hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_4_0, |
| core->v_sync_line_aft_4[0]); |
| hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_4_1, |
| core->v_sync_line_aft_4[1]); |
| hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_5_0, |
| core->v_sync_line_aft_5[0]); |
| hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_5_1, |
| core->v_sync_line_aft_5[1]); |
| hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_6_0, |
| core->v_sync_line_aft_6[0]); |
| hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_6_1, |
| core->v_sync_line_aft_6[1]); |
| hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_PXL_3_0, |
| core->v_sync_line_aft_pxl_3[0]); |
| hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_PXL_3_1, |
| core->v_sync_line_aft_pxl_3[1]); |
| hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_PXL_4_0, |
| core->v_sync_line_aft_pxl_4[0]); |
| hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_PXL_4_1, |
| core->v_sync_line_aft_pxl_4[1]); |
| hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_PXL_5_0, |
| core->v_sync_line_aft_pxl_5[0]); |
| hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_PXL_5_1, |
| core->v_sync_line_aft_pxl_5[1]); |
| hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_PXL_6_0, |
| core->v_sync_line_aft_pxl_6[0]); |
| hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_PXL_6_1, |
| core->v_sync_line_aft_pxl_6[1]); |
| hdmi_reg_writeb(hdata, HDMI_VACT_SPACE_1_0, core->vact_space_1[0]); |
| hdmi_reg_writeb(hdata, HDMI_VACT_SPACE_1_1, core->vact_space_1[1]); |
| hdmi_reg_writeb(hdata, HDMI_VACT_SPACE_2_0, core->vact_space_2[0]); |
| hdmi_reg_writeb(hdata, HDMI_VACT_SPACE_2_1, core->vact_space_2[1]); |
| hdmi_reg_writeb(hdata, HDMI_VACT_SPACE_3_0, core->vact_space_3[0]); |
| hdmi_reg_writeb(hdata, HDMI_VACT_SPACE_3_1, core->vact_space_3[1]); |
| hdmi_reg_writeb(hdata, HDMI_VACT_SPACE_4_0, core->vact_space_4[0]); |
| hdmi_reg_writeb(hdata, HDMI_VACT_SPACE_4_1, core->vact_space_4[1]); |
| hdmi_reg_writeb(hdata, HDMI_VACT_SPACE_5_0, core->vact_space_5[0]); |
| hdmi_reg_writeb(hdata, HDMI_VACT_SPACE_5_1, core->vact_space_5[1]); |
| hdmi_reg_writeb(hdata, HDMI_VACT_SPACE_6_0, core->vact_space_6[0]); |
| hdmi_reg_writeb(hdata, HDMI_VACT_SPACE_6_1, core->vact_space_6[1]); |
| |
| /* Timing generator registers */ |
| hdmi_reg_writeb(hdata, HDMI_TG_H_FSZ_L, tg->h_fsz[0]); |
| hdmi_reg_writeb(hdata, HDMI_TG_H_FSZ_H, tg->h_fsz[1]); |
| hdmi_reg_writeb(hdata, HDMI_TG_HACT_ST_L, tg->hact_st[0]); |
| hdmi_reg_writeb(hdata, HDMI_TG_HACT_ST_H, tg->hact_st[1]); |
| hdmi_reg_writeb(hdata, HDMI_TG_HACT_SZ_L, tg->hact_sz[0]); |
| hdmi_reg_writeb(hdata, HDMI_TG_HACT_SZ_H, tg->hact_sz[1]); |
| hdmi_reg_writeb(hdata, HDMI_TG_V_FSZ_L, tg->v_fsz[0]); |
| hdmi_reg_writeb(hdata, HDMI_TG_V_FSZ_H, tg->v_fsz[1]); |
| hdmi_reg_writeb(hdata, HDMI_TG_VSYNC_L, tg->vsync[0]); |
| hdmi_reg_writeb(hdata, HDMI_TG_VSYNC_H, tg->vsync[1]); |
| hdmi_reg_writeb(hdata, HDMI_TG_VSYNC2_L, tg->vsync2[0]); |
| hdmi_reg_writeb(hdata, HDMI_TG_VSYNC2_H, tg->vsync2[1]); |
| hdmi_reg_writeb(hdata, HDMI_TG_VACT_ST_L, tg->vact_st[0]); |
| hdmi_reg_writeb(hdata, HDMI_TG_VACT_ST_H, tg->vact_st[1]); |
| hdmi_reg_writeb(hdata, HDMI_TG_VACT_SZ_L, tg->vact_sz[0]); |
| hdmi_reg_writeb(hdata, HDMI_TG_VACT_SZ_H, tg->vact_sz[1]); |
| hdmi_reg_writeb(hdata, HDMI_TG_FIELD_CHG_L, tg->field_chg[0]); |
| hdmi_reg_writeb(hdata, HDMI_TG_FIELD_CHG_H, tg->field_chg[1]); |
| hdmi_reg_writeb(hdata, HDMI_TG_VACT_ST2_L, tg->vact_st2[0]); |
| hdmi_reg_writeb(hdata, HDMI_TG_VACT_ST2_H, tg->vact_st2[1]); |
| hdmi_reg_writeb(hdata, HDMI_TG_VACT_ST3_L, tg->vact_st3[0]); |
| hdmi_reg_writeb(hdata, HDMI_TG_VACT_ST3_H, tg->vact_st3[1]); |
| hdmi_reg_writeb(hdata, HDMI_TG_VACT_ST4_L, tg->vact_st4[0]); |
| hdmi_reg_writeb(hdata, HDMI_TG_VACT_ST4_H, tg->vact_st4[1]); |
| hdmi_reg_writeb(hdata, HDMI_TG_VSYNC_TOP_HDMI_L, tg->vsync_top_hdmi[0]); |
| hdmi_reg_writeb(hdata, HDMI_TG_VSYNC_TOP_HDMI_H, tg->vsync_top_hdmi[1]); |
| hdmi_reg_writeb(hdata, HDMI_TG_VSYNC_BOT_HDMI_L, tg->vsync_bot_hdmi[0]); |
| hdmi_reg_writeb(hdata, HDMI_TG_VSYNC_BOT_HDMI_H, tg->vsync_bot_hdmi[1]); |
| hdmi_reg_writeb(hdata, HDMI_TG_FIELD_TOP_HDMI_L, tg->field_top_hdmi[0]); |
| hdmi_reg_writeb(hdata, HDMI_TG_FIELD_TOP_HDMI_H, tg->field_top_hdmi[1]); |
| hdmi_reg_writeb(hdata, HDMI_TG_FIELD_BOT_HDMI_L, tg->field_bot_hdmi[0]); |
| hdmi_reg_writeb(hdata, HDMI_TG_FIELD_BOT_HDMI_H, tg->field_bot_hdmi[1]); |
| hdmi_reg_writeb(hdata, HDMI_TG_3D, tg->tg_3d[0]); |
| |
| /* waiting for HDMIPHY's PLL to get to steady state */ |
| for (tries = 100; tries; --tries) { |
| u32 val = hdmi_reg_read(hdata, HDMI_PHY_STATUS_0); |
| if (val & HDMI_PHY_STATUS_READY) |
| break; |
| usleep_range(1000, 2000); |
| } |
| /* steady state not achieved */ |
| if (tries == 0) { |
| DRM_ERROR("hdmiphy's pll could not reach steady state.\n"); |
| hdmi_regs_dump(hdata, "timing apply"); |
| } |
| |
| clk_disable_unprepare(hdata->res.sclk_hdmi); |
| clk_set_parent(hdata->res.mout_hdmi, hdata->res.sclk_hdmiphy); |
| clk_prepare_enable(hdata->res.sclk_hdmi); |
| |
| /* enable HDMI and timing generator */ |
| hdmi_reg_writemask(hdata, HDMI_CON_0, ~0, HDMI_EN); |
| if (core->int_pro_mode[0]) |
| hdmi_reg_writemask(hdata, HDMI_TG_CMD, ~0, HDMI_TG_EN | |
| HDMI_FIELD_EN); |
| else |
| hdmi_reg_writemask(hdata, HDMI_TG_CMD, ~0, HDMI_TG_EN); |
| } |
| |
| static void hdmi_mode_apply(struct hdmi_context *hdata) |
| { |
| if (hdata->type == HDMI_TYPE13) |
| hdmi_v13_mode_apply(hdata); |
| else |
| hdmi_v14_mode_apply(hdata); |
| } |
| |
| static void hdmiphy_conf_reset(struct hdmi_context *hdata) |
| { |
| u8 buffer[2]; |
| u32 reg; |
| |
| clk_disable_unprepare(hdata->res.sclk_hdmi); |
| clk_set_parent(hdata->res.mout_hdmi, hdata->res.sclk_pixel); |
| clk_prepare_enable(hdata->res.sclk_hdmi); |
| |
| /* operation mode */ |
| buffer[0] = 0x1f; |
| buffer[1] = 0x00; |
| |
| if (hdata->hdmiphy_port) |
| i2c_master_send(hdata->hdmiphy_port, buffer, 2); |
| |
| if (hdata->type == HDMI_TYPE13) |
| reg = HDMI_V13_PHY_RSTOUT; |
| else |
| reg = HDMI_PHY_RSTOUT; |
| |
| /* reset hdmiphy */ |
| hdmi_reg_writemask(hdata, reg, ~0, HDMI_PHY_SW_RSTOUT); |
| usleep_range(10000, 12000); |
| hdmi_reg_writemask(hdata, reg, 0, HDMI_PHY_SW_RSTOUT); |
| usleep_range(10000, 12000); |
| } |
| |
| static void hdmiphy_poweron(struct hdmi_context *hdata) |
| { |
| if (hdata->type == HDMI_TYPE14) |
| hdmi_reg_writemask(hdata, HDMI_PHY_CON_0, 0, |
| HDMI_PHY_POWER_OFF_EN); |
| } |
| |
| static void hdmiphy_poweroff(struct hdmi_context *hdata) |
| { |
| if (hdata->type == HDMI_TYPE14) |
| hdmi_reg_writemask(hdata, HDMI_PHY_CON_0, ~0, |
| HDMI_PHY_POWER_OFF_EN); |
| } |
| |
| static void hdmiphy_conf_apply(struct hdmi_context *hdata) |
| { |
| const u8 *hdmiphy_data; |
| u8 buffer[32]; |
| u8 operation[2]; |
| u8 read_buffer[32] = {0, }; |
| int ret; |
| int i; |
| |
| if (!hdata->hdmiphy_port) { |
| DRM_ERROR("hdmiphy is not attached\n"); |
| return; |
| } |
| |
| /* pixel clock */ |
| i = hdmi_find_phy_conf(hdata, hdata->mode_conf.pixel_clock); |
| if (i < 0) { |
| DRM_ERROR("failed to find hdmiphy conf\n"); |
| return; |
| } |
| |
| if (hdata->type == HDMI_TYPE13) |
| hdmiphy_data = hdmiphy_v13_configs[i].conf; |
| else |
| hdmiphy_data = hdmiphy_v14_configs[i].conf; |
| |
| memcpy(buffer, hdmiphy_data, 32); |
| ret = i2c_master_send(hdata->hdmiphy_port, buffer, 32); |
| if (ret != 32) { |
| DRM_ERROR("failed to configure HDMIPHY via I2C\n"); |
| return; |
| } |
| |
| usleep_range(10000, 12000); |
| |
| /* operation mode */ |
| operation[0] = 0x1f; |
| operation[1] = 0x80; |
| |
| ret = i2c_master_send(hdata->hdmiphy_port, operation, 2); |
| if (ret != 2) { |
| DRM_ERROR("failed to enable hdmiphy\n"); |
| return; |
| } |
| |
| ret = i2c_master_recv(hdata->hdmiphy_port, read_buffer, 32); |
| if (ret < 0) { |
| DRM_ERROR("failed to read hdmiphy config\n"); |
| return; |
| } |
| |
| for (i = 0; i < ret; i++) |
| DRM_DEBUG_KMS("hdmiphy[0x%02x] write[0x%02x] - " |
| "recv [0x%02x]\n", i, buffer[i], read_buffer[i]); |
| } |
| |
| static void hdmi_conf_apply(struct hdmi_context *hdata) |
| { |
| hdmiphy_conf_reset(hdata); |
| hdmiphy_conf_apply(hdata); |
| |
| mutex_lock(&hdata->hdmi_mutex); |
| hdmi_conf_reset(hdata); |
| hdmi_conf_init(hdata); |
| mutex_unlock(&hdata->hdmi_mutex); |
| |
| hdmi_audio_init(hdata); |
| |
| /* setting core registers */ |
| hdmi_mode_apply(hdata); |
| hdmi_audio_control(hdata, true); |
| |
| hdmi_regs_dump(hdata, "start"); |
| } |
| |
| static void hdmi_set_reg(u8 *reg_pair, int num_bytes, u32 value) |
| { |
| int i; |
| BUG_ON(num_bytes > 4); |
| for (i = 0; i < num_bytes; i++) |
| reg_pair[i] = (value >> (8 * i)) & 0xff; |
| } |
| |
| static void hdmi_v13_mode_set(struct hdmi_context *hdata, |
| struct drm_display_mode *m) |
| { |
| struct hdmi_v13_core_regs *core = &hdata->mode_conf.conf.v13_conf.core; |
| struct hdmi_tg_regs *tg = &hdata->mode_conf.conf.v13_conf.tg; |
| unsigned int val; |
| |
| hdata->mode_conf.cea_video_id = |
| drm_match_cea_mode((struct drm_display_mode *)m); |
| hdata->mode_conf.pixel_clock = m->clock * 1000; |
| hdata->mode_conf.aspect_ratio = m->picture_aspect_ratio; |
| |
| hdmi_set_reg(core->h_blank, 2, m->htotal - m->hdisplay); |
| hdmi_set_reg(core->h_v_line, 3, (m->htotal << 12) | m->vtotal); |
| |
| val = (m->flags & DRM_MODE_FLAG_NVSYNC) ? 1 : 0; |
| hdmi_set_reg(core->vsync_pol, 1, val); |
| |
| val = (m->flags & DRM_MODE_FLAG_INTERLACE) ? 1 : 0; |
| hdmi_set_reg(core->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_set_reg(core->h_sync_gen, 3, val); |
| |
| /* |
| * Quirk requirement for exynos HDMI IP design, |
| * 2 pixels less than the actual calculation for hsync_start |
| * and end. |
| */ |
| |
| /* Following values & calculations differ for different type of modes */ |
| if (m->flags & DRM_MODE_FLAG_INTERLACE) { |
| /* Interlaced Mode */ |
| val = ((m->vsync_end - m->vdisplay) / 2); |
| val |= ((m->vsync_start - m->vdisplay) / 2) << 12; |
| hdmi_set_reg(core->v_sync_gen1, 3, val); |
| |
| val = m->vtotal / 2; |
| val |= ((m->vtotal - m->vdisplay) / 2) << 11; |
| hdmi_set_reg(core->v_blank, 3, val); |
| |
| val = (m->vtotal + |
| ((m->vsync_end - m->vsync_start) * 4) + 5) / 2; |
| val |= m->vtotal << 11; |
| hdmi_set_reg(core->v_blank_f, 3, val); |
| |
| val = ((m->vtotal / 2) + 7); |
| val |= ((m->vtotal / 2) + 2) << 12; |
| hdmi_set_reg(core->v_sync_gen2, 3, val); |
| |
| val = ((m->htotal / 2) + (m->hsync_start - m->hdisplay)); |
| val |= ((m->htotal / 2) + |
| (m->hsync_start - m->hdisplay)) << 12; |
| hdmi_set_reg(core->v_sync_gen3, 3, val); |
| |
| hdmi_set_reg(tg->vact_st, 2, (m->vtotal - m->vdisplay) / 2); |
| hdmi_set_reg(tg->vact_sz, 2, m->vdisplay / 2); |
| |
| hdmi_set_reg(tg->vact_st2, 2, 0x249);/* Reset value + 1*/ |
| } else { |
| /* Progressive Mode */ |
| |
| val = m->vtotal; |
| val |= (m->vtotal - m->vdisplay) << 11; |
| hdmi_set_reg(core->v_blank, 3, val); |
| |
| hdmi_set_reg(core->v_blank_f, 3, 0); |
| |
| val = (m->vsync_end - m->vdisplay); |
| val |= ((m->vsync_start - m->vdisplay) << 12); |
| hdmi_set_reg(core->v_sync_gen1, 3, val); |
| |
| hdmi_set_reg(core->v_sync_gen2, 3, 0x1001);/* Reset value */ |
| hdmi_set_reg(core->v_sync_gen3, 3, 0x1001);/* Reset value */ |
| hdmi_set_reg(tg->vact_st, 2, m->vtotal - m->vdisplay); |
| hdmi_set_reg(tg->vact_sz, 2, m->vdisplay); |
| hdmi_set_reg(tg->vact_st2, 2, 0x248); /* Reset value */ |
| } |
| |
| /* Timing generator registers */ |
| hdmi_set_reg(tg->cmd, 1, 0x0); |
| hdmi_set_reg(tg->h_fsz, 2, m->htotal); |
| hdmi_set_reg(tg->hact_st, 2, m->htotal - m->hdisplay); |
| hdmi_set_reg(tg->hact_sz, 2, m->hdisplay); |
| hdmi_set_reg(tg->v_fsz, 2, m->vtotal); |
| hdmi_set_reg(tg->vsync, 2, 0x1); |
| hdmi_set_reg(tg->vsync2, 2, 0x233); /* Reset value */ |
| hdmi_set_reg(tg->field_chg, 2, 0x233); /* Reset value */ |
| hdmi_set_reg(tg->vsync_top_hdmi, 2, 0x1); /* Reset value */ |
| hdmi_set_reg(tg->vsync_bot_hdmi, 2, 0x233); /* Reset value */ |
| hdmi_set_reg(tg->field_top_hdmi, 2, 0x1); /* Reset value */ |
| hdmi_set_reg(tg->field_bot_hdmi, 2, 0x233); /* Reset value */ |
| hdmi_set_reg(tg->tg_3d, 1, 0x0); /* Not used */ |
| } |
| |
| static void hdmi_v14_mode_set(struct hdmi_context *hdata, |
| struct drm_display_mode *m) |
| { |
| struct hdmi_tg_regs *tg = &hdata->mode_conf.conf.v14_conf.tg; |
| struct hdmi_v14_core_regs *core = |
| &hdata->mode_conf.conf.v14_conf.core; |
| |
| hdata->mode_conf.cea_video_id = |
| drm_match_cea_mode((struct drm_display_mode *)m); |
| hdata->mode_conf.pixel_clock = m->clock * 1000; |
| hdata->mode_conf.aspect_ratio = m->picture_aspect_ratio; |
| |
| hdmi_set_reg(core->h_blank, 2, m->htotal - m->hdisplay); |
| hdmi_set_reg(core->v_line, 2, m->vtotal); |
| hdmi_set_reg(core->h_line, 2, m->htotal); |
| hdmi_set_reg(core->hsync_pol, 1, |
| (m->flags & DRM_MODE_FLAG_NHSYNC) ? 1 : 0); |
| hdmi_set_reg(core->vsync_pol, 1, |
| (m->flags & DRM_MODE_FLAG_NVSYNC) ? 1 : 0); |
| hdmi_set_reg(core->int_pro_mode, 1, |
| (m->flags & DRM_MODE_FLAG_INTERLACE) ? 1 : 0); |
| |
| /* |
| * Quirk requirement for exynos 5 HDMI IP design, |
| * 2 pixels less than the actual calculation for hsync_start |
| * and end. |
| */ |
| |
| /* Following values & calculations differ for different type of modes */ |
| if (m->flags & DRM_MODE_FLAG_INTERLACE) { |
| /* Interlaced Mode */ |
| hdmi_set_reg(core->v_sync_line_bef_2, 2, |
| (m->vsync_end - m->vdisplay) / 2); |
| hdmi_set_reg(core->v_sync_line_bef_1, 2, |
| (m->vsync_start - m->vdisplay) / 2); |
| hdmi_set_reg(core->v2_blank, 2, m->vtotal / 2); |
| hdmi_set_reg(core->v1_blank, 2, (m->vtotal - m->vdisplay) / 2); |
| hdmi_set_reg(core->v_blank_f0, 2, m->vtotal - m->vdisplay / 2); |
| hdmi_set_reg(core->v_blank_f1, 2, m->vtotal); |
| hdmi_set_reg(core->v_sync_line_aft_2, 2, (m->vtotal / 2) + 7); |
| hdmi_set_reg(core->v_sync_line_aft_1, 2, (m->vtotal / 2) + 2); |
| hdmi_set_reg(core->v_sync_line_aft_pxl_2, 2, |
| (m->htotal / 2) + (m->hsync_start - m->hdisplay)); |
| hdmi_set_reg(core->v_sync_line_aft_pxl_1, 2, |
| (m->htotal / 2) + (m->hsync_start - m->hdisplay)); |
| hdmi_set_reg(tg->vact_st, 2, (m->vtotal - m->vdisplay) / 2); |
| hdmi_set_reg(tg->vact_sz, 2, m->vdisplay / 2); |
| hdmi_set_reg(tg->vact_st2, 2, m->vtotal - m->vdisplay / 2); |
| hdmi_set_reg(tg->vsync2, 2, (m->vtotal / 2) + 1); |
| hdmi_set_reg(tg->vsync_bot_hdmi, 2, (m->vtotal / 2) + 1); |
| hdmi_set_reg(tg->field_bot_hdmi, 2, (m->vtotal / 2) + 1); |
| hdmi_set_reg(tg->vact_st3, 2, 0x0); |
| hdmi_set_reg(tg->vact_st4, 2, 0x0); |
| } else { |
| /* Progressive Mode */ |
| hdmi_set_reg(core->v_sync_line_bef_2, 2, |
| m->vsync_end - m->vdisplay); |
| hdmi_set_reg(core->v_sync_line_bef_1, 2, |
| m->vsync_start - m->vdisplay); |
| hdmi_set_reg(core->v2_blank, 2, m->vtotal); |
| hdmi_set_reg(core->v1_blank, 2, m->vtotal - m->vdisplay); |
| hdmi_set_reg(core->v_blank_f0, 2, 0xffff); |
| hdmi_set_reg(core->v_blank_f1, 2, 0xffff); |
| hdmi_set_reg(core->v_sync_line_aft_2, 2, 0xffff); |
| hdmi_set_reg(core->v_sync_line_aft_1, 2, 0xffff); |
| hdmi_set_reg(core->v_sync_line_aft_pxl_2, 2, 0xffff); |
| hdmi_set_reg(core->v_sync_line_aft_pxl_1, 2, 0xffff); |
| hdmi_set_reg(tg->vact_st, 2, m->vtotal - m->vdisplay); |
| hdmi_set_reg(tg->vact_sz, 2, m->vdisplay); |
| hdmi_set_reg(tg->vact_st2, 2, 0x248); /* Reset value */ |
| hdmi_set_reg(tg->vact_st3, 2, 0x47b); /* Reset value */ |
| hdmi_set_reg(tg->vact_st4, 2, 0x6ae); /* Reset value */ |
| hdmi_set_reg(tg->vsync2, 2, 0x233); /* Reset value */ |
| hdmi_set_reg(tg->vsync_bot_hdmi, 2, 0x233); /* Reset value */ |
| hdmi_set_reg(tg->field_bot_hdmi, 2, 0x233); /* Reset value */ |
| } |
| |
| /* Following values & calculations are same irrespective of mode type */ |
| hdmi_set_reg(core->h_sync_start, 2, m->hsync_start - m->hdisplay - 2); |
| hdmi_set_reg(core->h_sync_end, 2, m->hsync_end - m->hdisplay - 2); |
| hdmi_set_reg(core->vact_space_1, 2, 0xffff); |
| hdmi_set_reg(core->vact_space_2, 2, 0xffff); |
| hdmi_set_reg(core->vact_space_3, 2, 0xffff); |
| hdmi_set_reg(core->vact_space_4, 2, 0xffff); |
| hdmi_set_reg(core->vact_space_5, 2, 0xffff); |
| hdmi_set_reg(core->vact_space_6, 2, 0xffff); |
| hdmi_set_reg(core->v_blank_f2, 2, 0xffff); |
| hdmi_set_reg(core->v_blank_f3, 2, 0xffff); |
| hdmi_set_reg(core->v_blank_f4, 2, 0xffff); |
| hdmi_set_reg(core->v_blank_f5, 2, 0xffff); |
| hdmi_set_reg(core->v_sync_line_aft_3, 2, 0xffff); |
| hdmi_set_reg(core->v_sync_line_aft_4, 2, 0xffff); |
| hdmi_set_reg(core->v_sync_line_aft_5, 2, 0xffff); |
| hdmi_set_reg(core->v_sync_line_aft_6, 2, 0xffff); |
| hdmi_set_reg(core->v_sync_line_aft_pxl_3, 2, 0xffff); |
| hdmi_set_reg(core->v_sync_line_aft_pxl_4, 2, 0xffff); |
| hdmi_set_reg(core->v_sync_line_aft_pxl_5, 2, 0xffff); |
| hdmi_set_reg(core->v_sync_line_aft_pxl_6, 2, 0xffff); |
| |
| /* Timing generator registers */ |
| hdmi_set_reg(tg->cmd, 1, 0x0); |
| hdmi_set_reg(tg->h_fsz, 2, m->htotal); |
| hdmi_set_reg(tg->hact_st, 2, m->htotal - m->hdisplay); |
| hdmi_set_reg(tg->hact_sz, 2, m->hdisplay); |
| hdmi_set_reg(tg->v_fsz, 2, m->vtotal); |
| hdmi_set_reg(tg->vsync, 2, 0x1); |
| hdmi_set_reg(tg->field_chg, 2, 0x233); /* Reset value */ |
| hdmi_set_reg(tg->vsync_top_hdmi, 2, 0x1); /* Reset value */ |
| hdmi_set_reg(tg->field_top_hdmi, 2, 0x1); /* Reset value */ |
| hdmi_set_reg(tg->tg_3d, 1, 0x0); |
| } |
| |
| static void hdmi_mode_set(void *ctx, struct drm_display_mode *mode) |
| { |
| struct hdmi_context *hdata = ctx; |
| struct drm_display_mode *m = mode; |
| |
| DRM_DEBUG_KMS("xres=%d, yres=%d, refresh=%d, intl=%s\n", |
| m->hdisplay, m->vdisplay, |
| m->vrefresh, (m->flags & DRM_MODE_FLAG_INTERLACE) ? |
| "INTERLACED" : "PROGERESSIVE"); |
| |
| if (hdata->type == HDMI_TYPE13) |
| hdmi_v13_mode_set(hdata, mode); |
| else |
| hdmi_v14_mode_set(hdata, mode); |
| } |
| |
| static void hdmi_get_max_resol(void *ctx, unsigned int *width, |
| unsigned int *height) |
| { |
| *width = MAX_WIDTH; |
| *height = MAX_HEIGHT; |
| } |
| |
| static void hdmi_commit(void *ctx) |
| { |
| struct hdmi_context *hdata = ctx; |
| |
| mutex_lock(&hdata->hdmi_mutex); |
| if (!hdata->powered) { |
| mutex_unlock(&hdata->hdmi_mutex); |
| return; |
| } |
| mutex_unlock(&hdata->hdmi_mutex); |
| |
| hdmi_conf_apply(hdata); |
| } |
| |
| static void hdmi_poweron(struct hdmi_context *hdata) |
| { |
| struct hdmi_resources *res = &hdata->res; |
| |
| mutex_lock(&hdata->hdmi_mutex); |
| if (hdata->powered) { |
| mutex_unlock(&hdata->hdmi_mutex); |
| return; |
| } |
| |
| hdata->powered = true; |
| |
| mutex_unlock(&hdata->hdmi_mutex); |
| |
| if (regulator_bulk_enable(res->regul_count, res->regul_bulk)) |
| DRM_DEBUG_KMS("failed to enable regulator bulk\n"); |
| |
| clk_prepare_enable(res->hdmiphy); |
| clk_prepare_enable(res->hdmi); |
| clk_prepare_enable(res->sclk_hdmi); |
| |
| hdmiphy_poweron(hdata); |
| } |
| |
| static void hdmi_poweroff(struct hdmi_context *hdata) |
| { |
| struct hdmi_resources *res = &hdata->res; |
| |
| mutex_lock(&hdata->hdmi_mutex); |
| if (!hdata->powered) |
| goto out; |
| mutex_unlock(&hdata->hdmi_mutex); |
| |
| /* |
| * The TV power domain needs any condition of hdmiphy to turn off and |
| * its reset state seems to meet the condition. |
| */ |
| hdmiphy_conf_reset(hdata); |
| hdmiphy_poweroff(hdata); |
| |
| clk_disable_unprepare(res->sclk_hdmi); |
| clk_disable_unprepare(res->hdmi); |
| clk_disable_unprepare(res->hdmiphy); |
| regulator_bulk_disable(res->regul_count, res->regul_bulk); |
| |
| mutex_lock(&hdata->hdmi_mutex); |
| |
| hdata->powered = false; |
| |
| out: |
| mutex_unlock(&hdata->hdmi_mutex); |
| } |
| |
| static void hdmi_dpms(void *ctx, int mode) |
| { |
| struct hdmi_context *hdata = ctx; |
| |
| DRM_DEBUG_KMS("mode %d\n", mode); |
| |
| switch (mode) { |
| case DRM_MODE_DPMS_ON: |
| if (pm_runtime_suspended(hdata->dev)) |
| pm_runtime_get_sync(hdata->dev); |
| break; |
| case DRM_MODE_DPMS_STANDBY: |
| case DRM_MODE_DPMS_SUSPEND: |
| case DRM_MODE_DPMS_OFF: |
| if (!pm_runtime_suspended(hdata->dev)) |
| pm_runtime_put_sync(hdata->dev); |
| break; |
| default: |
| DRM_DEBUG_KMS("unknown dpms mode: %d\n", mode); |
| break; |
| } |
| } |
| |
| static struct exynos_hdmi_ops hdmi_ops = { |
| /* display */ |
| .initialize = hdmi_initialize, |
| .is_connected = hdmi_is_connected, |
| .get_edid = hdmi_get_edid, |
| .check_mode = hdmi_check_mode, |
| |
| /* manager */ |
| .mode_set = hdmi_mode_set, |
| .get_max_resol = hdmi_get_max_resol, |
| .commit = hdmi_commit, |
| .dpms = hdmi_dpms, |
| }; |
| |
| static irqreturn_t hdmi_irq_thread(int irq, void *arg) |
| { |
| struct exynos_drm_hdmi_context *ctx = arg; |
| struct hdmi_context *hdata = ctx->ctx; |
| |
| mutex_lock(&hdata->hdmi_mutex); |
| hdata->hpd = gpio_get_value(hdata->hpd_gpio); |
| mutex_unlock(&hdata->hdmi_mutex); |
| |
| if (hdata->drm_dev) |
| drm_helper_hpd_irq_event(hdata->drm_dev); |
| |
| return IRQ_HANDLED; |
| } |
| |
| static int hdmi_resources_init(struct hdmi_context *hdata) |
| { |
| struct device *dev = hdata->dev; |
| struct hdmi_resources *res = &hdata->res; |
| static char *supply[] = { |
| "hdmi-en", |
| "vdd", |
| "vdd_osc", |
| "vdd_pll", |
| }; |
| int i, ret; |
| |
| DRM_DEBUG_KMS("HDMI resource init\n"); |
| |
| memset(res, 0, sizeof(*res)); |
| |
| /* get clocks, power */ |
| res->hdmi = devm_clk_get(dev, "hdmi"); |
| if (IS_ERR(res->hdmi)) { |
| DRM_ERROR("failed to get clock 'hdmi'\n"); |
| goto fail; |
| } |
| res->sclk_hdmi = devm_clk_get(dev, "sclk_hdmi"); |
| if (IS_ERR(res->sclk_hdmi)) { |
| DRM_ERROR("failed to get clock 'sclk_hdmi'\n"); |
| goto fail; |
| } |
| res->sclk_pixel = devm_clk_get(dev, "sclk_pixel"); |
| if (IS_ERR(res->sclk_pixel)) { |
| DRM_ERROR("failed to get clock 'sclk_pixel'\n"); |
| goto fail; |
| } |
| res->sclk_hdmiphy = devm_clk_get(dev, "sclk_hdmiphy"); |
| if (IS_ERR(res->sclk_hdmiphy)) { |
| DRM_ERROR("failed to get clock 'sclk_hdmiphy'\n"); |
| goto fail; |
| } |
| res->hdmiphy = devm_clk_get(dev, "hdmiphy"); |
| if (IS_ERR(res->hdmiphy)) { |
| DRM_ERROR("failed to get clock 'hdmiphy'\n"); |
| goto fail; |
| } |
| res->mout_hdmi = devm_clk_get(dev, "mout_hdmi"); |
| if (IS_ERR(res->mout_hdmi)) { |
| DRM_ERROR("failed to get clock 'mout_hdmi'\n"); |
| goto fail; |
| } |
| |
| clk_set_parent(res->mout_hdmi, res->sclk_pixel); |
| |
| res->regul_bulk = devm_kzalloc(dev, ARRAY_SIZE(supply) * |
| sizeof(res->regul_bulk[0]), GFP_KERNEL); |
| if (!res->regul_bulk) |
| goto fail; |
| for (i = 0; i < ARRAY_SIZE(supply); ++i) { |
| res->regul_bulk[i].supply = supply[i]; |
| res->regul_bulk[i].consumer = NULL; |
| } |
| ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(supply), res->regul_bulk); |
| if (ret) { |
| DRM_ERROR("failed to get regulators\n"); |
| goto fail; |
| } |
| res->regul_count = ARRAY_SIZE(supply); |
| |
| return 0; |
| fail: |
| DRM_ERROR("HDMI resource init - failed\n"); |
| return -ENODEV; |
| } |
| |
| static struct i2c_client *hdmi_ddc, *hdmi_hdmiphy; |
| |
| void hdmi_attach_ddc_client(struct i2c_client *ddc) |
| { |
| if (ddc) |
| hdmi_ddc = ddc; |
| } |
| |
| void hdmi_attach_hdmiphy_client(struct i2c_client *hdmiphy) |
| { |
| if (hdmiphy) |
| hdmi_hdmiphy = hdmiphy; |
| } |
| |
| static struct s5p_hdmi_platform_data *drm_hdmi_dt_parse_pdata |
| (struct device *dev) |
| { |
| struct device_node *np = dev->of_node; |
| struct s5p_hdmi_platform_data *pd; |
| u32 value; |
| |
| pd = devm_kzalloc(dev, sizeof(*pd), GFP_KERNEL); |
| if (!pd) |
| goto err_data; |
| |
| if (!of_find_property(np, "hpd-gpio", &value)) { |
| DRM_ERROR("no hpd gpio property found\n"); |
| goto err_data; |
| } |
| |
| pd->hpd_gpio = of_get_named_gpio(np, "hpd-gpio", 0); |
| |
| return pd; |
| |
| err_data: |
| return NULL; |
| } |
| |
| static struct of_device_id hdmi_match_types[] = { |
| { |
| .compatible = "samsung,exynos5-hdmi", |
| .data = (void *)HDMI_TYPE14, |
| }, { |
| .compatible = "samsung,exynos4212-hdmi", |
| .data = (void *)HDMI_TYPE14, |
| }, { |
| /* end node */ |
| } |
| }; |
| |
| static int hdmi_probe(struct platform_device *pdev) |
| { |
| struct device *dev = &pdev->dev; |
| struct exynos_drm_hdmi_context *drm_hdmi_ctx; |
| struct hdmi_context *hdata; |
| struct s5p_hdmi_platform_data *pdata; |
| struct resource *res; |
| const struct of_device_id *match; |
| int ret; |
| |
| if (!dev->of_node) |
| return -ENODEV; |
| |
| pdata = drm_hdmi_dt_parse_pdata(dev); |
| if (!pdata) |
| return -EINVAL; |
| |
| drm_hdmi_ctx = devm_kzalloc(dev, sizeof(*drm_hdmi_ctx), GFP_KERNEL); |
| if (!drm_hdmi_ctx) |
| return -ENOMEM; |
| |
| hdata = devm_kzalloc(dev, sizeof(struct hdmi_context), GFP_KERNEL); |
| if (!hdata) |
| return -ENOMEM; |
| |
| mutex_init(&hdata->hdmi_mutex); |
| |
| drm_hdmi_ctx->ctx = (void *)hdata; |
| hdata->parent_ctx = (void *)drm_hdmi_ctx; |
| |
| platform_set_drvdata(pdev, drm_hdmi_ctx); |
| |
| match = of_match_node(hdmi_match_types, dev->of_node); |
| if (!match) |
| return -ENODEV; |
| hdata->type = (enum hdmi_type)match->data; |
| |
| hdata->hpd_gpio = pdata->hpd_gpio; |
| hdata->dev = dev; |
| |
| ret = hdmi_resources_init(hdata); |
| if (ret) { |
| DRM_ERROR("hdmi_resources_init failed\n"); |
| return -EINVAL; |
| } |
| |
| res = platform_get_resource(pdev, IORESOURCE_MEM, 0); |
| hdata->regs = devm_ioremap_resource(dev, res); |
| if (IS_ERR(hdata->regs)) |
| return PTR_ERR(hdata->regs); |
| |
| ret = devm_gpio_request(dev, hdata->hpd_gpio, "HPD"); |
| if (ret) { |
| DRM_ERROR("failed to request HPD gpio\n"); |
| return ret; |
| } |
| |
| /* DDC i2c driver */ |
| if (i2c_add_driver(&ddc_driver)) { |
| DRM_ERROR("failed to register ddc i2c driver\n"); |
| return -ENOENT; |
| } |
| |
| hdata->ddc_port = hdmi_ddc; |
| |
| /* hdmiphy i2c driver */ |
| if (i2c_add_driver(&hdmiphy_driver)) { |
| DRM_ERROR("failed to register hdmiphy i2c driver\n"); |
| ret = -ENOENT; |
| goto err_ddc; |
| } |
| |
| hdata->hdmiphy_port = hdmi_hdmiphy; |
| |
| hdata->irq = gpio_to_irq(hdata->hpd_gpio); |
| if (hdata->irq < 0) { |
| DRM_ERROR("failed to get GPIO irq\n"); |
| ret = hdata->irq; |
| goto err_hdmiphy; |
| } |
| |
| hdata->hpd = gpio_get_value(hdata->hpd_gpio); |
| |
| ret = devm_request_threaded_irq(dev, hdata->irq, NULL, |
| hdmi_irq_thread, IRQF_TRIGGER_RISING | |
| IRQF_TRIGGER_FALLING | IRQF_ONESHOT, |
| "hdmi", drm_hdmi_ctx); |
| if (ret) { |
| DRM_ERROR("failed to register hdmi interrupt\n"); |
| goto err_hdmiphy; |
| } |
| |
| /* Attach HDMI Driver to common hdmi. */ |
| exynos_hdmi_drv_attach(drm_hdmi_ctx); |
| |
| /* register specific callbacks to common hdmi. */ |
| exynos_hdmi_ops_register(&hdmi_ops); |
| |
| pm_runtime_enable(dev); |
| |
| return 0; |
| |
| err_hdmiphy: |
| i2c_del_driver(&hdmiphy_driver); |
| err_ddc: |
| i2c_del_driver(&ddc_driver); |
| return ret; |
| } |
| |
| static int hdmi_remove(struct platform_device *pdev) |
| { |
| struct device *dev = &pdev->dev; |
| |
| pm_runtime_disable(dev); |
| |
| /* hdmiphy i2c driver */ |
| i2c_del_driver(&hdmiphy_driver); |
| /* DDC i2c driver */ |
| i2c_del_driver(&ddc_driver); |
| |
| return 0; |
| } |
| |
| #ifdef CONFIG_PM_SLEEP |
| static int hdmi_suspend(struct device *dev) |
| { |
| struct exynos_drm_hdmi_context *ctx = get_hdmi_context(dev); |
| struct hdmi_context *hdata = ctx->ctx; |
| |
| disable_irq(hdata->irq); |
| |
| hdata->hpd = false; |
| if (hdata->drm_dev) |
| drm_helper_hpd_irq_event(hdata->drm_dev); |
| |
| if (pm_runtime_suspended(dev)) { |
| DRM_DEBUG_KMS("Already suspended\n"); |
| return 0; |
| } |
| |
| hdmi_poweroff(hdata); |
| |
| return 0; |
| } |
| |
| static int hdmi_resume(struct device *dev) |
| { |
| struct exynos_drm_hdmi_context *ctx = get_hdmi_context(dev); |
| struct hdmi_context *hdata = ctx->ctx; |
| |
| hdata->hpd = gpio_get_value(hdata->hpd_gpio); |
| |
| enable_irq(hdata->irq); |
| |
| if (!pm_runtime_suspended(dev)) { |
| DRM_DEBUG_KMS("Already resumed\n"); |
| return 0; |
| } |
| |
| hdmi_poweron(hdata); |
| |
| return 0; |
| } |
| #endif |
| |
| #ifdef CONFIG_PM_RUNTIME |
| static int hdmi_runtime_suspend(struct device *dev) |
| { |
| struct exynos_drm_hdmi_context *ctx = get_hdmi_context(dev); |
| struct hdmi_context *hdata = ctx->ctx; |
| |
| hdmi_poweroff(hdata); |
| |
| return 0; |
| } |
| |
| static int hdmi_runtime_resume(struct device *dev) |
| { |
| struct exynos_drm_hdmi_context *ctx = get_hdmi_context(dev); |
| struct hdmi_context *hdata = ctx->ctx; |
| |
| hdmi_poweron(hdata); |
| |
| return 0; |
| } |
| #endif |
| |
| static const struct dev_pm_ops hdmi_pm_ops = { |
| SET_SYSTEM_SLEEP_PM_OPS(hdmi_suspend, hdmi_resume) |
| SET_RUNTIME_PM_OPS(hdmi_runtime_suspend, hdmi_runtime_resume, NULL) |
| }; |
| |
| struct platform_driver hdmi_driver = { |
| .probe = hdmi_probe, |
| .remove = hdmi_remove, |
| .driver = { |
| .name = "exynos-hdmi", |
| .owner = THIS_MODULE, |
| .pm = &hdmi_pm_ops, |
| .of_match_table = hdmi_match_types, |
| }, |
| }; |