/* * Copyright (C) 2011 Samsung Electronics Co.Ltd * Authors: * Seung-Woo Kim * Inki Dae * Joonyoung Shim * * 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 #include #include #include "regs-hdmi.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "exynos_drm_drv.h" #include "exynos_drm_hdmi.h" #include "exynos_hdmi.h" #include #include #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 #define AVI_PIC_ASPECT_RATIO_16_9 (2 << 4) #define AVI_SAME_AS_PIC_ASPECT_RATIO 8 /* AUI header info */ #define HDMI_AUI_VERSION 0x01 #define HDMI_AUI_LENGTH 0x0A /* HDMI infoframe to configure HDMI out packet header, AUI and AVI */ enum HDMI_PACKET_TYPE { /* refer to Table 5-8 Packet Type in HDMI specification v1.4a */ /* InfoFrame packet type */ HDMI_PACKET_TYPE_INFOFRAME = 0x80, /* Vendor-Specific InfoFrame */ HDMI_PACKET_TYPE_VSI = HDMI_PACKET_TYPE_INFOFRAME + 1, /* Auxiliary Video information InfoFrame */ HDMI_PACKET_TYPE_AVI = HDMI_PACKET_TYPE_INFOFRAME + 2, /* Audio information InfoFrame */ HDMI_PACKET_TYPE_AUI = HDMI_PACKET_TYPE_INFOFRAME + 4 }; 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 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; 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 = 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 = 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 = 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, }, }, }; struct hdmi_infoframe { enum HDMI_PACKET_TYPE type; u8 ver; u8 len; }; 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, struct hdmi_infoframe *infoframe) { u32 hdr_sum; u8 chksum; u32 aspect_ratio; u32 mod; u32 vic; DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__); 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->type) { case HDMI_PACKET_TYPE_AVI: hdmi_reg_writeb(hdata, HDMI_AVI_CON, HDMI_AVI_CON_EVERY_VSYNC); hdmi_reg_writeb(hdata, HDMI_AVI_HEADER0, infoframe->type); hdmi_reg_writeb(hdata, HDMI_AVI_HEADER1, infoframe->ver); hdmi_reg_writeb(hdata, HDMI_AVI_HEADER2, infoframe->len); hdr_sum = infoframe->type + infoframe->ver + infoframe->len; /* 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); aspect_ratio = AVI_PIC_ASPECT_RATIO_16_9; hdmi_reg_writeb(hdata, HDMI_AVI_BYTE(2), aspect_ratio | AVI_SAME_AS_PIC_ASPECT_RATIO); 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->len, hdr_sum); DRM_DEBUG_KMS("AVI checksum = 0x%x\n", chksum); hdmi_reg_writeb(hdata, HDMI_AVI_CHECK_SUM, chksum); break; case HDMI_PACKET_TYPE_AUI: hdmi_reg_writeb(hdata, HDMI_AUI_CON, 0x02); hdmi_reg_writeb(hdata, HDMI_AUI_HEADER0, infoframe->type); hdmi_reg_writeb(hdata, HDMI_AUI_HEADER1, infoframe->ver); hdmi_reg_writeb(hdata, HDMI_AUI_HEADER2, infoframe->len); hdr_sum = infoframe->type + infoframe->ver + infoframe->len; chksum = hdmi_chksum(hdata, HDMI_AUI_BYTE(1), infoframe->len, hdr_sum); DRM_DEBUG_KMS("AUI checksum = 0x%x\n", chksum); hdmi_reg_writeb(hdata, HDMI_AUI_CHECK_SUM, chksum); break; default: break; } } 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; DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__); 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; DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__); 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) { struct 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.type = HDMI_PACKET_TYPE_AVI; infoframe.ver = HDMI_AVI_VERSION; infoframe.len = HDMI_AVI_LENGTH; hdmi_reg_infoframe(hdata, &infoframe); infoframe.type = HDMI_PACKET_TYPE_AUI; infoframe.ver = HDMI_AUI_VERSION; infoframe.len = 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(hdata->res.sclk_hdmi); clk_set_parent(hdata->res.sclk_hdmi, hdata->res.sclk_hdmiphy); clk_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(hdata->res.sclk_hdmi); clk_set_parent(hdata->res.sclk_hdmi, hdata->res.sclk_hdmiphy); clk_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(hdata->res.sclk_hdmi); clk_set_parent(hdata->res.sclk_hdmi, hdata->res.sclk_pixel); clk_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) { DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__); 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) { DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__); 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) { DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__); 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; 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; 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->vsync_end - m->vsync_start) * 4) + 5) / 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, 0x249);/* Reset value + 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 */ } /* 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->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); } 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("[%s]: xres=%d, yres=%d, refresh=%d, intl=%s\n", __func__, 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) { DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__); *width = MAX_WIDTH; *height = MAX_HEIGHT; } static void hdmi_commit(void *ctx) { struct hdmi_context *hdata = ctx; DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__); 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; DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__); 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_enable(res->hdmiphy); clk_enable(res->hdmi); clk_enable(res->sclk_hdmi); hdmiphy_poweron(hdata); } static void hdmi_poweroff(struct hdmi_context *hdata) { struct hdmi_resources *res = &hdata->res; DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__); 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(res->sclk_hdmi); clk_disable(res->hdmi); clk_disable(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("[%d] %s mode %d\n", __LINE__, __func__, 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 */ .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 (ctx->drm_dev) drm_helper_hpd_irq_event(ctx->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; } clk_set_parent(res->sclk_hdmi, res->sclk_pixel); res->regul_bulk = devm_kzalloc(dev, ARRAY_SIZE(supply) * sizeof(res->regul_bulk[0]), GFP_KERNEL); if (!res->regul_bulk) { DRM_ERROR("failed to get memory for regulators\n"); 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; } #ifdef CONFIG_OF 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; enum of_gpio_flags flags; u32 value; pd = devm_kzalloc(dev, sizeof(*pd), GFP_KERNEL); if (!pd) { DRM_ERROR("memory allocation for pdata failed\n"); 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_flags(np, "hpd-gpio", 0, &flags); return pd; err_data: return NULL; } #else static struct s5p_hdmi_platform_data *drm_hdmi_dt_parse_pdata (struct device *dev) { return NULL; } #endif static struct platform_device_id hdmi_driver_types[] = { { .name = "s5pv210-hdmi", .driver_data = HDMI_TYPE13, }, { .name = "exynos4-hdmi", .driver_data = HDMI_TYPE13, }, { .name = "exynos4-hdmi14", .driver_data = HDMI_TYPE14, }, { .name = "exynos5-hdmi", .driver_data = HDMI_TYPE14, }, { /* end node */ } }; #ifdef CONFIG_OF static struct of_device_id hdmi_match_types[] = { { .compatible = "samsung,exynos5-hdmi", .data = (void *)HDMI_TYPE14, }, { /* end node */ } }; #endif 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; int ret; DRM_DEBUG_KMS("[%d]\n", __LINE__); if (dev->of_node) { pdata = drm_hdmi_dt_parse_pdata(dev); if (IS_ERR(pdata)) { DRM_ERROR("failed to parse dt\n"); return PTR_ERR(pdata); } } else { pdata = dev->platform_data; } if (!pdata) { DRM_ERROR("no platform data specified\n"); return -EINVAL; } drm_hdmi_ctx = devm_kzalloc(dev, sizeof(*drm_hdmi_ctx), GFP_KERNEL); if (!drm_hdmi_ctx) { DRM_ERROR("failed to allocate common hdmi context.\n"); return -ENOMEM; } hdata = devm_kzalloc(dev, sizeof(struct hdmi_context), GFP_KERNEL); if (!hdata) { DRM_ERROR("out of memory\n"); 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); if (dev->of_node) { const struct of_device_id *match; match = of_match_node(of_match_ptr(hdmi_match_types), dev->of_node); if (match == NULL) return -ENODEV; hdata->type = (enum hdmi_type)match->data; } else { hdata->type = (enum hdmi_type)platform_get_device_id (pdev)->driver_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; DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__); 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; DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__); disable_irq(hdata->irq); hdata->hpd = false; if (ctx->drm_dev) drm_helper_hpd_irq_event(ctx->drm_dev); if (pm_runtime_suspended(dev)) { DRM_DEBUG_KMS("%s : Already suspended\n", __func__); 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; DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__); hdata->hpd = gpio_get_value(hdata->hpd_gpio); enable_irq(hdata->irq); if (!pm_runtime_suspended(dev)) { DRM_DEBUG_KMS("%s : Already resumed\n", __func__); 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; DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__); 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; DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__); 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, .id_table = hdmi_driver_types, .driver = { .name = "exynos-hdmi", .owner = THIS_MODULE, .pm = &hdmi_pm_ops, .of_match_table = of_match_ptr(hdmi_match_types), }, };