1 /* 2 * Copyright (C) 2011 Samsung Electronics Co.Ltd 3 * Authors: 4 * Seung-Woo Kim <sw0312.kim@samsung.com> 5 * Inki Dae <inki.dae@samsung.com> 6 * Joonyoung Shim <jy0922.shim@samsung.com> 7 * 8 * Based on drivers/media/video/s5p-tv/hdmi_drv.c 9 * 10 * This program is free software; you can redistribute it and/or modify it 11 * under the terms of the GNU General Public License as published by the 12 * Free Software Foundation; either version 2 of the License, or (at your 13 * option) any later version. 14 * 15 */ 16 17 #include <drm/drmP.h> 18 #include <drm/drm_edid.h> 19 #include <drm/drm_crtc_helper.h> 20 21 #include "regs-hdmi.h" 22 23 #include <linux/kernel.h> 24 #include <linux/spinlock.h> 25 #include <linux/wait.h> 26 #include <linux/i2c.h> 27 #include <linux/platform_device.h> 28 #include <linux/interrupt.h> 29 #include <linux/irq.h> 30 #include <linux/delay.h> 31 #include <linux/pm_runtime.h> 32 #include <linux/clk.h> 33 #include <linux/regulator/consumer.h> 34 #include <linux/io.h> 35 #include <linux/of.h> 36 #include <linux/i2c.h> 37 #include <linux/of_gpio.h> 38 #include <linux/hdmi.h> 39 40 #include <drm/exynos_drm.h> 41 42 #include "exynos_drm_drv.h" 43 #include "exynos_mixer.h" 44 45 #include <linux/gpio.h> 46 #include <media/s5p_hdmi.h> 47 48 #define get_hdmi_display(dev) platform_get_drvdata(to_platform_device(dev)) 49 #define ctx_from_connector(c) container_of(c, struct hdmi_context, connector) 50 51 /* AVI header and aspect ratio */ 52 #define HDMI_AVI_VERSION 0x02 53 #define HDMI_AVI_LENGTH 0x0D 54 55 /* AUI header info */ 56 #define HDMI_AUI_VERSION 0x01 57 #define HDMI_AUI_LENGTH 0x0A 58 #define AVI_SAME_AS_PIC_ASPECT_RATIO 0x8 59 #define AVI_4_3_CENTER_RATIO 0x9 60 #define AVI_16_9_CENTER_RATIO 0xa 61 62 enum hdmi_type { 63 HDMI_TYPE13, 64 HDMI_TYPE14, 65 }; 66 67 struct hdmi_driver_data { 68 unsigned int type; 69 unsigned int is_apb_phy:1; 70 }; 71 72 struct hdmi_resources { 73 struct clk *hdmi; 74 struct clk *sclk_hdmi; 75 struct clk *sclk_pixel; 76 struct clk *sclk_hdmiphy; 77 struct clk *hdmiphy; 78 struct clk *mout_hdmi; 79 struct regulator_bulk_data *regul_bulk; 80 int regul_count; 81 }; 82 83 struct hdmi_tg_regs { 84 u8 cmd[1]; 85 u8 h_fsz[2]; 86 u8 hact_st[2]; 87 u8 hact_sz[2]; 88 u8 v_fsz[2]; 89 u8 vsync[2]; 90 u8 vsync2[2]; 91 u8 vact_st[2]; 92 u8 vact_sz[2]; 93 u8 field_chg[2]; 94 u8 vact_st2[2]; 95 u8 vact_st3[2]; 96 u8 vact_st4[2]; 97 u8 vsync_top_hdmi[2]; 98 u8 vsync_bot_hdmi[2]; 99 u8 field_top_hdmi[2]; 100 u8 field_bot_hdmi[2]; 101 u8 tg_3d[1]; 102 }; 103 104 struct hdmi_v13_core_regs { 105 u8 h_blank[2]; 106 u8 v_blank[3]; 107 u8 h_v_line[3]; 108 u8 vsync_pol[1]; 109 u8 int_pro_mode[1]; 110 u8 v_blank_f[3]; 111 u8 h_sync_gen[3]; 112 u8 v_sync_gen1[3]; 113 u8 v_sync_gen2[3]; 114 u8 v_sync_gen3[3]; 115 }; 116 117 struct hdmi_v14_core_regs { 118 u8 h_blank[2]; 119 u8 v2_blank[2]; 120 u8 v1_blank[2]; 121 u8 v_line[2]; 122 u8 h_line[2]; 123 u8 hsync_pol[1]; 124 u8 vsync_pol[1]; 125 u8 int_pro_mode[1]; 126 u8 v_blank_f0[2]; 127 u8 v_blank_f1[2]; 128 u8 h_sync_start[2]; 129 u8 h_sync_end[2]; 130 u8 v_sync_line_bef_2[2]; 131 u8 v_sync_line_bef_1[2]; 132 u8 v_sync_line_aft_2[2]; 133 u8 v_sync_line_aft_1[2]; 134 u8 v_sync_line_aft_pxl_2[2]; 135 u8 v_sync_line_aft_pxl_1[2]; 136 u8 v_blank_f2[2]; /* for 3D mode */ 137 u8 v_blank_f3[2]; /* for 3D mode */ 138 u8 v_blank_f4[2]; /* for 3D mode */ 139 u8 v_blank_f5[2]; /* for 3D mode */ 140 u8 v_sync_line_aft_3[2]; 141 u8 v_sync_line_aft_4[2]; 142 u8 v_sync_line_aft_5[2]; 143 u8 v_sync_line_aft_6[2]; 144 u8 v_sync_line_aft_pxl_3[2]; 145 u8 v_sync_line_aft_pxl_4[2]; 146 u8 v_sync_line_aft_pxl_5[2]; 147 u8 v_sync_line_aft_pxl_6[2]; 148 u8 vact_space_1[2]; 149 u8 vact_space_2[2]; 150 u8 vact_space_3[2]; 151 u8 vact_space_4[2]; 152 u8 vact_space_5[2]; 153 u8 vact_space_6[2]; 154 }; 155 156 struct hdmi_v13_conf { 157 struct hdmi_v13_core_regs core; 158 struct hdmi_tg_regs tg; 159 }; 160 161 struct hdmi_v14_conf { 162 struct hdmi_v14_core_regs core; 163 struct hdmi_tg_regs tg; 164 }; 165 166 struct hdmi_conf_regs { 167 int pixel_clock; 168 int cea_video_id; 169 enum hdmi_picture_aspect aspect_ratio; 170 union { 171 struct hdmi_v13_conf v13_conf; 172 struct hdmi_v14_conf v14_conf; 173 } conf; 174 }; 175 176 struct hdmi_context { 177 struct device *dev; 178 struct drm_device *drm_dev; 179 struct drm_connector connector; 180 struct drm_encoder *encoder; 181 bool hpd; 182 bool powered; 183 bool dvi_mode; 184 struct mutex hdmi_mutex; 185 186 void __iomem *regs; 187 int irq; 188 189 struct i2c_adapter *ddc_adpt; 190 struct i2c_client *hdmiphy_port; 191 192 /* current hdmiphy conf regs */ 193 struct hdmi_conf_regs mode_conf; 194 195 struct hdmi_resources res; 196 197 int hpd_gpio; 198 199 enum hdmi_type type; 200 }; 201 202 struct hdmiphy_config { 203 int pixel_clock; 204 u8 conf[32]; 205 }; 206 207 struct hdmi_driver_data exynos4212_hdmi_driver_data = { 208 .type = HDMI_TYPE14, 209 }; 210 211 struct hdmi_driver_data exynos5_hdmi_driver_data = { 212 .type = HDMI_TYPE14, 213 }; 214 215 /* list of phy config settings */ 216 static const struct hdmiphy_config hdmiphy_v13_configs[] = { 217 { 218 .pixel_clock = 27000000, 219 .conf = { 220 0x01, 0x05, 0x00, 0xD8, 0x10, 0x1C, 0x30, 0x40, 221 0x6B, 0x10, 0x02, 0x51, 0xDF, 0xF2, 0x54, 0x87, 222 0x84, 0x00, 0x30, 0x38, 0x00, 0x08, 0x10, 0xE0, 223 0x22, 0x40, 0xE3, 0x26, 0x00, 0x00, 0x00, 0x00, 224 }, 225 }, 226 { 227 .pixel_clock = 27027000, 228 .conf = { 229 0x01, 0x05, 0x00, 0xD4, 0x10, 0x9C, 0x09, 0x64, 230 0x6B, 0x10, 0x02, 0x51, 0xDF, 0xF2, 0x54, 0x87, 231 0x84, 0x00, 0x30, 0x38, 0x00, 0x08, 0x10, 0xE0, 232 0x22, 0x40, 0xE3, 0x26, 0x00, 0x00, 0x00, 0x00, 233 }, 234 }, 235 { 236 .pixel_clock = 74176000, 237 .conf = { 238 0x01, 0x05, 0x00, 0xD8, 0x10, 0x9C, 0xef, 0x5B, 239 0x6D, 0x10, 0x01, 0x51, 0xef, 0xF3, 0x54, 0xb9, 240 0x84, 0x00, 0x30, 0x38, 0x00, 0x08, 0x10, 0xE0, 241 0x22, 0x40, 0xa5, 0x26, 0x01, 0x00, 0x00, 0x00, 242 }, 243 }, 244 { 245 .pixel_clock = 74250000, 246 .conf = { 247 0x01, 0x05, 0x00, 0xd8, 0x10, 0x9c, 0xf8, 0x40, 248 0x6a, 0x10, 0x01, 0x51, 0xff, 0xf1, 0x54, 0xba, 249 0x84, 0x00, 0x10, 0x38, 0x00, 0x08, 0x10, 0xe0, 250 0x22, 0x40, 0xa4, 0x26, 0x01, 0x00, 0x00, 0x00, 251 }, 252 }, 253 { 254 .pixel_clock = 148500000, 255 .conf = { 256 0x01, 0x05, 0x00, 0xD8, 0x10, 0x9C, 0xf8, 0x40, 257 0x6A, 0x18, 0x00, 0x51, 0xff, 0xF1, 0x54, 0xba, 258 0x84, 0x00, 0x10, 0x38, 0x00, 0x08, 0x10, 0xE0, 259 0x22, 0x40, 0xa4, 0x26, 0x02, 0x00, 0x00, 0x00, 260 }, 261 }, 262 }; 263 264 static const struct hdmiphy_config hdmiphy_v14_configs[] = { 265 { 266 .pixel_clock = 25200000, 267 .conf = { 268 0x01, 0x51, 0x2A, 0x75, 0x40, 0x01, 0x00, 0x08, 269 0x82, 0x80, 0xfc, 0xd8, 0x45, 0xa0, 0xac, 0x80, 270 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86, 271 0x54, 0xf4, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80, 272 }, 273 }, 274 { 275 .pixel_clock = 27000000, 276 .conf = { 277 0x01, 0xd1, 0x22, 0x51, 0x40, 0x08, 0xfc, 0x20, 278 0x98, 0xa0, 0xcb, 0xd8, 0x45, 0xa0, 0xac, 0x80, 279 0x06, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86, 280 0x54, 0xe4, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80, 281 }, 282 }, 283 { 284 .pixel_clock = 27027000, 285 .conf = { 286 0x01, 0xd1, 0x2d, 0x72, 0x40, 0x64, 0x12, 0x08, 287 0x43, 0xa0, 0x0e, 0xd9, 0x45, 0xa0, 0xac, 0x80, 288 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86, 289 0x54, 0xe3, 0x24, 0x00, 0x00, 0x00, 0x01, 0x00, 290 }, 291 }, 292 { 293 .pixel_clock = 36000000, 294 .conf = { 295 0x01, 0x51, 0x2d, 0x55, 0x40, 0x01, 0x00, 0x08, 296 0x82, 0x80, 0x0e, 0xd9, 0x45, 0xa0, 0xac, 0x80, 297 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86, 298 0x54, 0xab, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80, 299 }, 300 }, 301 { 302 .pixel_clock = 40000000, 303 .conf = { 304 0x01, 0x51, 0x32, 0x55, 0x40, 0x01, 0x00, 0x08, 305 0x82, 0x80, 0x2c, 0xd9, 0x45, 0xa0, 0xac, 0x80, 306 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86, 307 0x54, 0x9a, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80, 308 }, 309 }, 310 { 311 .pixel_clock = 65000000, 312 .conf = { 313 0x01, 0xd1, 0x36, 0x34, 0x40, 0x1e, 0x0a, 0x08, 314 0x82, 0xa0, 0x45, 0xd9, 0x45, 0xa0, 0xac, 0x80, 315 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86, 316 0x54, 0xbd, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80, 317 }, 318 }, 319 { 320 .pixel_clock = 71000000, 321 .conf = { 322 0x01, 0x91, 0x1e, 0x15, 0x40, 0x3c, 0xce, 0x08, 323 0x04, 0x20, 0xb2, 0xd8, 0x45, 0xa0, 0xac, 0x80, 324 0x06, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86, 325 0x54, 0xad, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80, 326 }, 327 }, 328 { 329 .pixel_clock = 73250000, 330 .conf = { 331 0x01, 0xd1, 0x1f, 0x15, 0x40, 0x18, 0xe9, 0x08, 332 0x02, 0xa0, 0xb7, 0xd8, 0x45, 0xa0, 0xac, 0x80, 333 0x06, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86, 334 0x54, 0xa8, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80, 335 }, 336 }, 337 { 338 .pixel_clock = 74176000, 339 .conf = { 340 0x01, 0xd1, 0x3e, 0x35, 0x40, 0x5b, 0xde, 0x08, 341 0x82, 0xa0, 0x73, 0xd9, 0x45, 0xa0, 0xac, 0x80, 342 0x56, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86, 343 0x54, 0xa6, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80, 344 }, 345 }, 346 { 347 .pixel_clock = 74250000, 348 .conf = { 349 0x01, 0xd1, 0x1f, 0x10, 0x40, 0x40, 0xf8, 0x08, 350 0x81, 0xa0, 0xba, 0xd8, 0x45, 0xa0, 0xac, 0x80, 351 0x3c, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86, 352 0x54, 0xa5, 0x24, 0x01, 0x00, 0x00, 0x01, 0x00, 353 }, 354 }, 355 { 356 .pixel_clock = 83500000, 357 .conf = { 358 0x01, 0xd1, 0x23, 0x11, 0x40, 0x0c, 0xfb, 0x08, 359 0x85, 0xa0, 0xd1, 0xd8, 0x45, 0xa0, 0xac, 0x80, 360 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86, 361 0x54, 0x93, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80, 362 }, 363 }, 364 { 365 .pixel_clock = 88750000, 366 .conf = { 367 0x01, 0x91, 0x25, 0x17, 0x40, 0x30, 0xfe, 0x08, 368 0x06, 0x20, 0xde, 0xd8, 0x45, 0xa0, 0xac, 0x80, 369 0x06, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86, 370 0x54, 0x8a, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80, 371 }, 372 }, 373 { 374 .pixel_clock = 106500000, 375 .conf = { 376 0x01, 0xd1, 0x2c, 0x12, 0x40, 0x0c, 0x09, 0x08, 377 0x84, 0xa0, 0x0a, 0xd9, 0x45, 0xa0, 0xac, 0x80, 378 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86, 379 0x54, 0x73, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80, 380 }, 381 }, 382 { 383 .pixel_clock = 108000000, 384 .conf = { 385 0x01, 0x51, 0x2d, 0x15, 0x40, 0x01, 0x00, 0x08, 386 0x82, 0x80, 0x0e, 0xd9, 0x45, 0xa0, 0xac, 0x80, 387 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86, 388 0x54, 0xc7, 0x25, 0x03, 0x00, 0x00, 0x01, 0x80, 389 }, 390 }, 391 { 392 .pixel_clock = 115500000, 393 .conf = { 394 0x01, 0xd1, 0x30, 0x1a, 0x40, 0x40, 0x10, 0x04, 395 0x04, 0xa0, 0x21, 0xd9, 0x45, 0xa0, 0xac, 0x80, 396 0x06, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86, 397 0x54, 0xaa, 0x25, 0x03, 0x00, 0x00, 0x01, 0x80, 398 }, 399 }, 400 { 401 .pixel_clock = 119000000, 402 .conf = { 403 0x01, 0x91, 0x32, 0x14, 0x40, 0x60, 0xd8, 0x08, 404 0x06, 0x20, 0x2a, 0xd9, 0x45, 0xa0, 0xac, 0x80, 405 0x06, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86, 406 0x54, 0x9d, 0x25, 0x03, 0x00, 0x00, 0x01, 0x80, 407 }, 408 }, 409 { 410 .pixel_clock = 146250000, 411 .conf = { 412 0x01, 0xd1, 0x3d, 0x15, 0x40, 0x18, 0xfd, 0x08, 413 0x83, 0xa0, 0x6e, 0xd9, 0x45, 0xa0, 0xac, 0x80, 414 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86, 415 0x54, 0x50, 0x25, 0x03, 0x00, 0x00, 0x01, 0x80, 416 }, 417 }, 418 { 419 .pixel_clock = 148500000, 420 .conf = { 421 0x01, 0xd1, 0x1f, 0x00, 0x40, 0x40, 0xf8, 0x08, 422 0x81, 0xa0, 0xba, 0xd8, 0x45, 0xa0, 0xac, 0x80, 423 0x3c, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86, 424 0x54, 0x4b, 0x25, 0x03, 0x00, 0x00, 0x01, 0x00, 425 }, 426 }, 427 }; 428 429 static inline u32 hdmi_reg_read(struct hdmi_context *hdata, u32 reg_id) 430 { 431 return readl(hdata->regs + reg_id); 432 } 433 434 static inline void hdmi_reg_writeb(struct hdmi_context *hdata, 435 u32 reg_id, u8 value) 436 { 437 writeb(value, hdata->regs + reg_id); 438 } 439 440 static inline void hdmi_reg_writemask(struct hdmi_context *hdata, 441 u32 reg_id, u32 value, u32 mask) 442 { 443 u32 old = readl(hdata->regs + reg_id); 444 value = (value & mask) | (old & ~mask); 445 writel(value, hdata->regs + reg_id); 446 } 447 448 static void hdmi_v13_regs_dump(struct hdmi_context *hdata, char *prefix) 449 { 450 #define DUMPREG(reg_id) \ 451 DRM_DEBUG_KMS("%s:" #reg_id " = %08x\n", prefix, \ 452 readl(hdata->regs + reg_id)) 453 DRM_DEBUG_KMS("%s: ---- CONTROL REGISTERS ----\n", prefix); 454 DUMPREG(HDMI_INTC_FLAG); 455 DUMPREG(HDMI_INTC_CON); 456 DUMPREG(HDMI_HPD_STATUS); 457 DUMPREG(HDMI_V13_PHY_RSTOUT); 458 DUMPREG(HDMI_V13_PHY_VPLL); 459 DUMPREG(HDMI_V13_PHY_CMU); 460 DUMPREG(HDMI_V13_CORE_RSTOUT); 461 462 DRM_DEBUG_KMS("%s: ---- CORE REGISTERS ----\n", prefix); 463 DUMPREG(HDMI_CON_0); 464 DUMPREG(HDMI_CON_1); 465 DUMPREG(HDMI_CON_2); 466 DUMPREG(HDMI_SYS_STATUS); 467 DUMPREG(HDMI_V13_PHY_STATUS); 468 DUMPREG(HDMI_STATUS_EN); 469 DUMPREG(HDMI_HPD); 470 DUMPREG(HDMI_MODE_SEL); 471 DUMPREG(HDMI_V13_HPD_GEN); 472 DUMPREG(HDMI_V13_DC_CONTROL); 473 DUMPREG(HDMI_V13_VIDEO_PATTERN_GEN); 474 475 DRM_DEBUG_KMS("%s: ---- CORE SYNC REGISTERS ----\n", prefix); 476 DUMPREG(HDMI_H_BLANK_0); 477 DUMPREG(HDMI_H_BLANK_1); 478 DUMPREG(HDMI_V13_V_BLANK_0); 479 DUMPREG(HDMI_V13_V_BLANK_1); 480 DUMPREG(HDMI_V13_V_BLANK_2); 481 DUMPREG(HDMI_V13_H_V_LINE_0); 482 DUMPREG(HDMI_V13_H_V_LINE_1); 483 DUMPREG(HDMI_V13_H_V_LINE_2); 484 DUMPREG(HDMI_VSYNC_POL); 485 DUMPREG(HDMI_INT_PRO_MODE); 486 DUMPREG(HDMI_V13_V_BLANK_F_0); 487 DUMPREG(HDMI_V13_V_BLANK_F_1); 488 DUMPREG(HDMI_V13_V_BLANK_F_2); 489 DUMPREG(HDMI_V13_H_SYNC_GEN_0); 490 DUMPREG(HDMI_V13_H_SYNC_GEN_1); 491 DUMPREG(HDMI_V13_H_SYNC_GEN_2); 492 DUMPREG(HDMI_V13_V_SYNC_GEN_1_0); 493 DUMPREG(HDMI_V13_V_SYNC_GEN_1_1); 494 DUMPREG(HDMI_V13_V_SYNC_GEN_1_2); 495 DUMPREG(HDMI_V13_V_SYNC_GEN_2_0); 496 DUMPREG(HDMI_V13_V_SYNC_GEN_2_1); 497 DUMPREG(HDMI_V13_V_SYNC_GEN_2_2); 498 DUMPREG(HDMI_V13_V_SYNC_GEN_3_0); 499 DUMPREG(HDMI_V13_V_SYNC_GEN_3_1); 500 DUMPREG(HDMI_V13_V_SYNC_GEN_3_2); 501 502 DRM_DEBUG_KMS("%s: ---- TG REGISTERS ----\n", prefix); 503 DUMPREG(HDMI_TG_CMD); 504 DUMPREG(HDMI_TG_H_FSZ_L); 505 DUMPREG(HDMI_TG_H_FSZ_H); 506 DUMPREG(HDMI_TG_HACT_ST_L); 507 DUMPREG(HDMI_TG_HACT_ST_H); 508 DUMPREG(HDMI_TG_HACT_SZ_L); 509 DUMPREG(HDMI_TG_HACT_SZ_H); 510 DUMPREG(HDMI_TG_V_FSZ_L); 511 DUMPREG(HDMI_TG_V_FSZ_H); 512 DUMPREG(HDMI_TG_VSYNC_L); 513 DUMPREG(HDMI_TG_VSYNC_H); 514 DUMPREG(HDMI_TG_VSYNC2_L); 515 DUMPREG(HDMI_TG_VSYNC2_H); 516 DUMPREG(HDMI_TG_VACT_ST_L); 517 DUMPREG(HDMI_TG_VACT_ST_H); 518 DUMPREG(HDMI_TG_VACT_SZ_L); 519 DUMPREG(HDMI_TG_VACT_SZ_H); 520 DUMPREG(HDMI_TG_FIELD_CHG_L); 521 DUMPREG(HDMI_TG_FIELD_CHG_H); 522 DUMPREG(HDMI_TG_VACT_ST2_L); 523 DUMPREG(HDMI_TG_VACT_ST2_H); 524 DUMPREG(HDMI_TG_VSYNC_TOP_HDMI_L); 525 DUMPREG(HDMI_TG_VSYNC_TOP_HDMI_H); 526 DUMPREG(HDMI_TG_VSYNC_BOT_HDMI_L); 527 DUMPREG(HDMI_TG_VSYNC_BOT_HDMI_H); 528 DUMPREG(HDMI_TG_FIELD_TOP_HDMI_L); 529 DUMPREG(HDMI_TG_FIELD_TOP_HDMI_H); 530 DUMPREG(HDMI_TG_FIELD_BOT_HDMI_L); 531 DUMPREG(HDMI_TG_FIELD_BOT_HDMI_H); 532 #undef DUMPREG 533 } 534 535 static void hdmi_v14_regs_dump(struct hdmi_context *hdata, char *prefix) 536 { 537 int i; 538 539 #define DUMPREG(reg_id) \ 540 DRM_DEBUG_KMS("%s:" #reg_id " = %08x\n", prefix, \ 541 readl(hdata->regs + reg_id)) 542 543 DRM_DEBUG_KMS("%s: ---- CONTROL REGISTERS ----\n", prefix); 544 DUMPREG(HDMI_INTC_CON); 545 DUMPREG(HDMI_INTC_FLAG); 546 DUMPREG(HDMI_HPD_STATUS); 547 DUMPREG(HDMI_INTC_CON_1); 548 DUMPREG(HDMI_INTC_FLAG_1); 549 DUMPREG(HDMI_PHY_STATUS_0); 550 DUMPREG(HDMI_PHY_STATUS_PLL); 551 DUMPREG(HDMI_PHY_CON_0); 552 DUMPREG(HDMI_PHY_RSTOUT); 553 DUMPREG(HDMI_PHY_VPLL); 554 DUMPREG(HDMI_PHY_CMU); 555 DUMPREG(HDMI_CORE_RSTOUT); 556 557 DRM_DEBUG_KMS("%s: ---- CORE REGISTERS ----\n", prefix); 558 DUMPREG(HDMI_CON_0); 559 DUMPREG(HDMI_CON_1); 560 DUMPREG(HDMI_CON_2); 561 DUMPREG(HDMI_SYS_STATUS); 562 DUMPREG(HDMI_PHY_STATUS_0); 563 DUMPREG(HDMI_STATUS_EN); 564 DUMPREG(HDMI_HPD); 565 DUMPREG(HDMI_MODE_SEL); 566 DUMPREG(HDMI_ENC_EN); 567 DUMPREG(HDMI_DC_CONTROL); 568 DUMPREG(HDMI_VIDEO_PATTERN_GEN); 569 570 DRM_DEBUG_KMS("%s: ---- CORE SYNC REGISTERS ----\n", prefix); 571 DUMPREG(HDMI_H_BLANK_0); 572 DUMPREG(HDMI_H_BLANK_1); 573 DUMPREG(HDMI_V2_BLANK_0); 574 DUMPREG(HDMI_V2_BLANK_1); 575 DUMPREG(HDMI_V1_BLANK_0); 576 DUMPREG(HDMI_V1_BLANK_1); 577 DUMPREG(HDMI_V_LINE_0); 578 DUMPREG(HDMI_V_LINE_1); 579 DUMPREG(HDMI_H_LINE_0); 580 DUMPREG(HDMI_H_LINE_1); 581 DUMPREG(HDMI_HSYNC_POL); 582 583 DUMPREG(HDMI_VSYNC_POL); 584 DUMPREG(HDMI_INT_PRO_MODE); 585 DUMPREG(HDMI_V_BLANK_F0_0); 586 DUMPREG(HDMI_V_BLANK_F0_1); 587 DUMPREG(HDMI_V_BLANK_F1_0); 588 DUMPREG(HDMI_V_BLANK_F1_1); 589 590 DUMPREG(HDMI_H_SYNC_START_0); 591 DUMPREG(HDMI_H_SYNC_START_1); 592 DUMPREG(HDMI_H_SYNC_END_0); 593 DUMPREG(HDMI_H_SYNC_END_1); 594 595 DUMPREG(HDMI_V_SYNC_LINE_BEF_2_0); 596 DUMPREG(HDMI_V_SYNC_LINE_BEF_2_1); 597 DUMPREG(HDMI_V_SYNC_LINE_BEF_1_0); 598 DUMPREG(HDMI_V_SYNC_LINE_BEF_1_1); 599 600 DUMPREG(HDMI_V_SYNC_LINE_AFT_2_0); 601 DUMPREG(HDMI_V_SYNC_LINE_AFT_2_1); 602 DUMPREG(HDMI_V_SYNC_LINE_AFT_1_0); 603 DUMPREG(HDMI_V_SYNC_LINE_AFT_1_1); 604 605 DUMPREG(HDMI_V_SYNC_LINE_AFT_PXL_2_0); 606 DUMPREG(HDMI_V_SYNC_LINE_AFT_PXL_2_1); 607 DUMPREG(HDMI_V_SYNC_LINE_AFT_PXL_1_0); 608 DUMPREG(HDMI_V_SYNC_LINE_AFT_PXL_1_1); 609 610 DUMPREG(HDMI_V_BLANK_F2_0); 611 DUMPREG(HDMI_V_BLANK_F2_1); 612 DUMPREG(HDMI_V_BLANK_F3_0); 613 DUMPREG(HDMI_V_BLANK_F3_1); 614 DUMPREG(HDMI_V_BLANK_F4_0); 615 DUMPREG(HDMI_V_BLANK_F4_1); 616 DUMPREG(HDMI_V_BLANK_F5_0); 617 DUMPREG(HDMI_V_BLANK_F5_1); 618 619 DUMPREG(HDMI_V_SYNC_LINE_AFT_3_0); 620 DUMPREG(HDMI_V_SYNC_LINE_AFT_3_1); 621 DUMPREG(HDMI_V_SYNC_LINE_AFT_4_0); 622 DUMPREG(HDMI_V_SYNC_LINE_AFT_4_1); 623 DUMPREG(HDMI_V_SYNC_LINE_AFT_5_0); 624 DUMPREG(HDMI_V_SYNC_LINE_AFT_5_1); 625 DUMPREG(HDMI_V_SYNC_LINE_AFT_6_0); 626 DUMPREG(HDMI_V_SYNC_LINE_AFT_6_1); 627 628 DUMPREG(HDMI_V_SYNC_LINE_AFT_PXL_3_0); 629 DUMPREG(HDMI_V_SYNC_LINE_AFT_PXL_3_1); 630 DUMPREG(HDMI_V_SYNC_LINE_AFT_PXL_4_0); 631 DUMPREG(HDMI_V_SYNC_LINE_AFT_PXL_4_1); 632 DUMPREG(HDMI_V_SYNC_LINE_AFT_PXL_5_0); 633 DUMPREG(HDMI_V_SYNC_LINE_AFT_PXL_5_1); 634 DUMPREG(HDMI_V_SYNC_LINE_AFT_PXL_6_0); 635 DUMPREG(HDMI_V_SYNC_LINE_AFT_PXL_6_1); 636 637 DUMPREG(HDMI_VACT_SPACE_1_0); 638 DUMPREG(HDMI_VACT_SPACE_1_1); 639 DUMPREG(HDMI_VACT_SPACE_2_0); 640 DUMPREG(HDMI_VACT_SPACE_2_1); 641 DUMPREG(HDMI_VACT_SPACE_3_0); 642 DUMPREG(HDMI_VACT_SPACE_3_1); 643 DUMPREG(HDMI_VACT_SPACE_4_0); 644 DUMPREG(HDMI_VACT_SPACE_4_1); 645 DUMPREG(HDMI_VACT_SPACE_5_0); 646 DUMPREG(HDMI_VACT_SPACE_5_1); 647 DUMPREG(HDMI_VACT_SPACE_6_0); 648 DUMPREG(HDMI_VACT_SPACE_6_1); 649 650 DRM_DEBUG_KMS("%s: ---- TG REGISTERS ----\n", prefix); 651 DUMPREG(HDMI_TG_CMD); 652 DUMPREG(HDMI_TG_H_FSZ_L); 653 DUMPREG(HDMI_TG_H_FSZ_H); 654 DUMPREG(HDMI_TG_HACT_ST_L); 655 DUMPREG(HDMI_TG_HACT_ST_H); 656 DUMPREG(HDMI_TG_HACT_SZ_L); 657 DUMPREG(HDMI_TG_HACT_SZ_H); 658 DUMPREG(HDMI_TG_V_FSZ_L); 659 DUMPREG(HDMI_TG_V_FSZ_H); 660 DUMPREG(HDMI_TG_VSYNC_L); 661 DUMPREG(HDMI_TG_VSYNC_H); 662 DUMPREG(HDMI_TG_VSYNC2_L); 663 DUMPREG(HDMI_TG_VSYNC2_H); 664 DUMPREG(HDMI_TG_VACT_ST_L); 665 DUMPREG(HDMI_TG_VACT_ST_H); 666 DUMPREG(HDMI_TG_VACT_SZ_L); 667 DUMPREG(HDMI_TG_VACT_SZ_H); 668 DUMPREG(HDMI_TG_FIELD_CHG_L); 669 DUMPREG(HDMI_TG_FIELD_CHG_H); 670 DUMPREG(HDMI_TG_VACT_ST2_L); 671 DUMPREG(HDMI_TG_VACT_ST2_H); 672 DUMPREG(HDMI_TG_VACT_ST3_L); 673 DUMPREG(HDMI_TG_VACT_ST3_H); 674 DUMPREG(HDMI_TG_VACT_ST4_L); 675 DUMPREG(HDMI_TG_VACT_ST4_H); 676 DUMPREG(HDMI_TG_VSYNC_TOP_HDMI_L); 677 DUMPREG(HDMI_TG_VSYNC_TOP_HDMI_H); 678 DUMPREG(HDMI_TG_VSYNC_BOT_HDMI_L); 679 DUMPREG(HDMI_TG_VSYNC_BOT_HDMI_H); 680 DUMPREG(HDMI_TG_FIELD_TOP_HDMI_L); 681 DUMPREG(HDMI_TG_FIELD_TOP_HDMI_H); 682 DUMPREG(HDMI_TG_FIELD_BOT_HDMI_L); 683 DUMPREG(HDMI_TG_FIELD_BOT_HDMI_H); 684 DUMPREG(HDMI_TG_3D); 685 686 DRM_DEBUG_KMS("%s: ---- PACKET REGISTERS ----\n", prefix); 687 DUMPREG(HDMI_AVI_CON); 688 DUMPREG(HDMI_AVI_HEADER0); 689 DUMPREG(HDMI_AVI_HEADER1); 690 DUMPREG(HDMI_AVI_HEADER2); 691 DUMPREG(HDMI_AVI_CHECK_SUM); 692 DUMPREG(HDMI_VSI_CON); 693 DUMPREG(HDMI_VSI_HEADER0); 694 DUMPREG(HDMI_VSI_HEADER1); 695 DUMPREG(HDMI_VSI_HEADER2); 696 for (i = 0; i < 7; ++i) 697 DUMPREG(HDMI_VSI_DATA(i)); 698 699 #undef DUMPREG 700 } 701 702 static void hdmi_regs_dump(struct hdmi_context *hdata, char *prefix) 703 { 704 if (hdata->type == HDMI_TYPE13) 705 hdmi_v13_regs_dump(hdata, prefix); 706 else 707 hdmi_v14_regs_dump(hdata, prefix); 708 } 709 710 static u8 hdmi_chksum(struct hdmi_context *hdata, 711 u32 start, u8 len, u32 hdr_sum) 712 { 713 int i; 714 715 /* hdr_sum : header0 + header1 + header2 716 * start : start address of packet byte1 717 * len : packet bytes - 1 */ 718 for (i = 0; i < len; ++i) 719 hdr_sum += 0xff & hdmi_reg_read(hdata, start + i * 4); 720 721 /* return 2's complement of 8 bit hdr_sum */ 722 return (u8)(~(hdr_sum & 0xff) + 1); 723 } 724 725 static void hdmi_reg_infoframe(struct hdmi_context *hdata, 726 union hdmi_infoframe *infoframe) 727 { 728 u32 hdr_sum; 729 u8 chksum; 730 u32 mod; 731 u32 vic; 732 733 mod = hdmi_reg_read(hdata, HDMI_MODE_SEL); 734 if (hdata->dvi_mode) { 735 hdmi_reg_writeb(hdata, HDMI_VSI_CON, 736 HDMI_VSI_CON_DO_NOT_TRANSMIT); 737 hdmi_reg_writeb(hdata, HDMI_AVI_CON, 738 HDMI_AVI_CON_DO_NOT_TRANSMIT); 739 hdmi_reg_writeb(hdata, HDMI_AUI_CON, HDMI_AUI_CON_NO_TRAN); 740 return; 741 } 742 743 switch (infoframe->any.type) { 744 case HDMI_INFOFRAME_TYPE_AVI: 745 hdmi_reg_writeb(hdata, HDMI_AVI_CON, HDMI_AVI_CON_EVERY_VSYNC); 746 hdmi_reg_writeb(hdata, HDMI_AVI_HEADER0, infoframe->any.type); 747 hdmi_reg_writeb(hdata, HDMI_AVI_HEADER1, 748 infoframe->any.version); 749 hdmi_reg_writeb(hdata, HDMI_AVI_HEADER2, infoframe->any.length); 750 hdr_sum = infoframe->any.type + infoframe->any.version + 751 infoframe->any.length; 752 753 /* Output format zero hardcoded ,RGB YBCR selection */ 754 hdmi_reg_writeb(hdata, HDMI_AVI_BYTE(1), 0 << 5 | 755 AVI_ACTIVE_FORMAT_VALID | 756 AVI_UNDERSCANNED_DISPLAY_VALID); 757 758 /* 759 * Set the aspect ratio as per the mode, mentioned in 760 * Table 9 AVI InfoFrame Data Byte 2 of CEA-861-D Standard 761 */ 762 switch (hdata->mode_conf.aspect_ratio) { 763 case HDMI_PICTURE_ASPECT_4_3: 764 hdmi_reg_writeb(hdata, HDMI_AVI_BYTE(2), 765 hdata->mode_conf.aspect_ratio | 766 AVI_4_3_CENTER_RATIO); 767 break; 768 case HDMI_PICTURE_ASPECT_16_9: 769 hdmi_reg_writeb(hdata, HDMI_AVI_BYTE(2), 770 hdata->mode_conf.aspect_ratio | 771 AVI_16_9_CENTER_RATIO); 772 break; 773 case HDMI_PICTURE_ASPECT_NONE: 774 default: 775 hdmi_reg_writeb(hdata, HDMI_AVI_BYTE(2), 776 hdata->mode_conf.aspect_ratio | 777 AVI_SAME_AS_PIC_ASPECT_RATIO); 778 break; 779 } 780 781 vic = hdata->mode_conf.cea_video_id; 782 hdmi_reg_writeb(hdata, HDMI_AVI_BYTE(4), vic); 783 784 chksum = hdmi_chksum(hdata, HDMI_AVI_BYTE(1), 785 infoframe->any.length, hdr_sum); 786 DRM_DEBUG_KMS("AVI checksum = 0x%x\n", chksum); 787 hdmi_reg_writeb(hdata, HDMI_AVI_CHECK_SUM, chksum); 788 break; 789 case HDMI_INFOFRAME_TYPE_AUDIO: 790 hdmi_reg_writeb(hdata, HDMI_AUI_CON, 0x02); 791 hdmi_reg_writeb(hdata, HDMI_AUI_HEADER0, infoframe->any.type); 792 hdmi_reg_writeb(hdata, HDMI_AUI_HEADER1, 793 infoframe->any.version); 794 hdmi_reg_writeb(hdata, HDMI_AUI_HEADER2, infoframe->any.length); 795 hdr_sum = infoframe->any.type + infoframe->any.version + 796 infoframe->any.length; 797 chksum = hdmi_chksum(hdata, HDMI_AUI_BYTE(1), 798 infoframe->any.length, hdr_sum); 799 DRM_DEBUG_KMS("AUI checksum = 0x%x\n", chksum); 800 hdmi_reg_writeb(hdata, HDMI_AUI_CHECK_SUM, chksum); 801 break; 802 default: 803 break; 804 } 805 } 806 807 static enum drm_connector_status hdmi_detect(struct drm_connector *connector, 808 bool force) 809 { 810 struct hdmi_context *hdata = ctx_from_connector(connector); 811 812 return hdata->hpd ? connector_status_connected : 813 connector_status_disconnected; 814 } 815 816 static void hdmi_connector_destroy(struct drm_connector *connector) 817 { 818 } 819 820 static struct drm_connector_funcs hdmi_connector_funcs = { 821 .dpms = drm_helper_connector_dpms, 822 .fill_modes = drm_helper_probe_single_connector_modes, 823 .detect = hdmi_detect, 824 .destroy = hdmi_connector_destroy, 825 }; 826 827 static int hdmi_get_modes(struct drm_connector *connector) 828 { 829 struct hdmi_context *hdata = ctx_from_connector(connector); 830 struct edid *edid; 831 832 if (!hdata->ddc_adpt) 833 return -ENODEV; 834 835 edid = drm_get_edid(connector, hdata->ddc_adpt); 836 if (!edid) 837 return -ENODEV; 838 839 hdata->dvi_mode = !drm_detect_hdmi_monitor(edid); 840 DRM_DEBUG_KMS("%s : width[%d] x height[%d]\n", 841 (hdata->dvi_mode ? "dvi monitor" : "hdmi monitor"), 842 edid->width_cm, edid->height_cm); 843 844 drm_mode_connector_update_edid_property(connector, edid); 845 846 return drm_add_edid_modes(connector, edid); 847 } 848 849 static int hdmi_find_phy_conf(struct hdmi_context *hdata, u32 pixel_clock) 850 { 851 const struct hdmiphy_config *confs; 852 int count, i; 853 854 if (hdata->type == HDMI_TYPE13) { 855 confs = hdmiphy_v13_configs; 856 count = ARRAY_SIZE(hdmiphy_v13_configs); 857 } else if (hdata->type == HDMI_TYPE14) { 858 confs = hdmiphy_v14_configs; 859 count = ARRAY_SIZE(hdmiphy_v14_configs); 860 } else 861 return -EINVAL; 862 863 for (i = 0; i < count; i++) 864 if (confs[i].pixel_clock == pixel_clock) 865 return i; 866 867 DRM_DEBUG_KMS("Could not find phy config for %d\n", pixel_clock); 868 return -EINVAL; 869 } 870 871 static int hdmi_mode_valid(struct drm_connector *connector, 872 struct drm_display_mode *mode) 873 { 874 struct hdmi_context *hdata = ctx_from_connector(connector); 875 int ret; 876 877 DRM_DEBUG_KMS("xres=%d, yres=%d, refresh=%d, intl=%d clock=%d\n", 878 mode->hdisplay, mode->vdisplay, mode->vrefresh, 879 (mode->flags & DRM_MODE_FLAG_INTERLACE) ? true : 880 false, mode->clock * 1000); 881 882 ret = mixer_check_mode(mode); 883 if (ret) 884 return MODE_BAD; 885 886 ret = hdmi_find_phy_conf(hdata, mode->clock * 1000); 887 if (ret < 0) 888 return MODE_BAD; 889 890 return MODE_OK; 891 } 892 893 static struct drm_encoder *hdmi_best_encoder(struct drm_connector *connector) 894 { 895 struct hdmi_context *hdata = ctx_from_connector(connector); 896 897 return hdata->encoder; 898 } 899 900 static struct drm_connector_helper_funcs hdmi_connector_helper_funcs = { 901 .get_modes = hdmi_get_modes, 902 .mode_valid = hdmi_mode_valid, 903 .best_encoder = hdmi_best_encoder, 904 }; 905 906 static int hdmi_create_connector(struct exynos_drm_display *display, 907 struct drm_encoder *encoder) 908 { 909 struct hdmi_context *hdata = display->ctx; 910 struct drm_connector *connector = &hdata->connector; 911 int ret; 912 913 hdata->encoder = encoder; 914 connector->interlace_allowed = true; 915 connector->polled = DRM_CONNECTOR_POLL_HPD; 916 917 ret = drm_connector_init(hdata->drm_dev, connector, 918 &hdmi_connector_funcs, DRM_MODE_CONNECTOR_HDMIA); 919 if (ret) { 920 DRM_ERROR("Failed to initialize connector with drm\n"); 921 return ret; 922 } 923 924 drm_connector_helper_add(connector, &hdmi_connector_helper_funcs); 925 drm_sysfs_connector_add(connector); 926 drm_mode_connector_attach_encoder(connector, encoder); 927 928 return 0; 929 } 930 931 static int hdmi_initialize(struct exynos_drm_display *display, 932 struct drm_device *drm_dev) 933 { 934 struct hdmi_context *hdata = display->ctx; 935 936 hdata->drm_dev = drm_dev; 937 938 return 0; 939 } 940 941 static void hdmi_mode_fixup(struct exynos_drm_display *display, 942 struct drm_connector *connector, 943 const struct drm_display_mode *mode, 944 struct drm_display_mode *adjusted_mode) 945 { 946 struct drm_display_mode *m; 947 int mode_ok; 948 949 DRM_DEBUG_KMS("%s\n", __FILE__); 950 951 drm_mode_set_crtcinfo(adjusted_mode, 0); 952 953 mode_ok = hdmi_mode_valid(connector, adjusted_mode); 954 955 /* just return if user desired mode exists. */ 956 if (mode_ok == MODE_OK) 957 return; 958 959 /* 960 * otherwise, find the most suitable mode among modes and change it 961 * to adjusted_mode. 962 */ 963 list_for_each_entry(m, &connector->modes, head) { 964 mode_ok = hdmi_mode_valid(connector, m); 965 966 if (mode_ok == MODE_OK) { 967 DRM_INFO("desired mode doesn't exist so\n"); 968 DRM_INFO("use the most suitable mode among modes.\n"); 969 970 DRM_DEBUG_KMS("Adjusted Mode: [%d]x[%d] [%d]Hz\n", 971 m->hdisplay, m->vdisplay, m->vrefresh); 972 973 drm_mode_copy(adjusted_mode, m); 974 break; 975 } 976 } 977 } 978 979 static void hdmi_set_acr(u32 freq, u8 *acr) 980 { 981 u32 n, cts; 982 983 switch (freq) { 984 case 32000: 985 n = 4096; 986 cts = 27000; 987 break; 988 case 44100: 989 n = 6272; 990 cts = 30000; 991 break; 992 case 88200: 993 n = 12544; 994 cts = 30000; 995 break; 996 case 176400: 997 n = 25088; 998 cts = 30000; 999 break; 1000 case 48000: 1001 n = 6144; 1002 cts = 27000; 1003 break; 1004 case 96000: 1005 n = 12288; 1006 cts = 27000; 1007 break; 1008 case 192000: 1009 n = 24576; 1010 cts = 27000; 1011 break; 1012 default: 1013 n = 0; 1014 cts = 0; 1015 break; 1016 } 1017 1018 acr[1] = cts >> 16; 1019 acr[2] = cts >> 8 & 0xff; 1020 acr[3] = cts & 0xff; 1021 1022 acr[4] = n >> 16; 1023 acr[5] = n >> 8 & 0xff; 1024 acr[6] = n & 0xff; 1025 } 1026 1027 static void hdmi_reg_acr(struct hdmi_context *hdata, u8 *acr) 1028 { 1029 hdmi_reg_writeb(hdata, HDMI_ACR_N0, acr[6]); 1030 hdmi_reg_writeb(hdata, HDMI_ACR_N1, acr[5]); 1031 hdmi_reg_writeb(hdata, HDMI_ACR_N2, acr[4]); 1032 hdmi_reg_writeb(hdata, HDMI_ACR_MCTS0, acr[3]); 1033 hdmi_reg_writeb(hdata, HDMI_ACR_MCTS1, acr[2]); 1034 hdmi_reg_writeb(hdata, HDMI_ACR_MCTS2, acr[1]); 1035 hdmi_reg_writeb(hdata, HDMI_ACR_CTS0, acr[3]); 1036 hdmi_reg_writeb(hdata, HDMI_ACR_CTS1, acr[2]); 1037 hdmi_reg_writeb(hdata, HDMI_ACR_CTS2, acr[1]); 1038 1039 if (hdata->type == HDMI_TYPE13) 1040 hdmi_reg_writeb(hdata, HDMI_V13_ACR_CON, 4); 1041 else 1042 hdmi_reg_writeb(hdata, HDMI_ACR_CON, 4); 1043 } 1044 1045 static void hdmi_audio_init(struct hdmi_context *hdata) 1046 { 1047 u32 sample_rate, bits_per_sample, frame_size_code; 1048 u32 data_num, bit_ch, sample_frq; 1049 u32 val; 1050 u8 acr[7]; 1051 1052 sample_rate = 44100; 1053 bits_per_sample = 16; 1054 frame_size_code = 0; 1055 1056 switch (bits_per_sample) { 1057 case 20: 1058 data_num = 2; 1059 bit_ch = 1; 1060 break; 1061 case 24: 1062 data_num = 3; 1063 bit_ch = 1; 1064 break; 1065 default: 1066 data_num = 1; 1067 bit_ch = 0; 1068 break; 1069 } 1070 1071 hdmi_set_acr(sample_rate, acr); 1072 hdmi_reg_acr(hdata, acr); 1073 1074 hdmi_reg_writeb(hdata, HDMI_I2S_MUX_CON, HDMI_I2S_IN_DISABLE 1075 | HDMI_I2S_AUD_I2S | HDMI_I2S_CUV_I2S_ENABLE 1076 | HDMI_I2S_MUX_ENABLE); 1077 1078 hdmi_reg_writeb(hdata, HDMI_I2S_MUX_CH, HDMI_I2S_CH0_EN 1079 | HDMI_I2S_CH1_EN | HDMI_I2S_CH2_EN); 1080 1081 hdmi_reg_writeb(hdata, HDMI_I2S_MUX_CUV, HDMI_I2S_CUV_RL_EN); 1082 1083 sample_frq = (sample_rate == 44100) ? 0 : 1084 (sample_rate == 48000) ? 2 : 1085 (sample_rate == 32000) ? 3 : 1086 (sample_rate == 96000) ? 0xa : 0x0; 1087 1088 hdmi_reg_writeb(hdata, HDMI_I2S_CLK_CON, HDMI_I2S_CLK_DIS); 1089 hdmi_reg_writeb(hdata, HDMI_I2S_CLK_CON, HDMI_I2S_CLK_EN); 1090 1091 val = hdmi_reg_read(hdata, HDMI_I2S_DSD_CON) | 0x01; 1092 hdmi_reg_writeb(hdata, HDMI_I2S_DSD_CON, val); 1093 1094 /* Configuration I2S input ports. Configure I2S_PIN_SEL_0~4 */ 1095 hdmi_reg_writeb(hdata, HDMI_I2S_PIN_SEL_0, HDMI_I2S_SEL_SCLK(5) 1096 | HDMI_I2S_SEL_LRCK(6)); 1097 hdmi_reg_writeb(hdata, HDMI_I2S_PIN_SEL_1, HDMI_I2S_SEL_SDATA1(1) 1098 | HDMI_I2S_SEL_SDATA2(4)); 1099 hdmi_reg_writeb(hdata, HDMI_I2S_PIN_SEL_2, HDMI_I2S_SEL_SDATA3(1) 1100 | HDMI_I2S_SEL_SDATA2(2)); 1101 hdmi_reg_writeb(hdata, HDMI_I2S_PIN_SEL_3, HDMI_I2S_SEL_DSD(0)); 1102 1103 /* I2S_CON_1 & 2 */ 1104 hdmi_reg_writeb(hdata, HDMI_I2S_CON_1, HDMI_I2S_SCLK_FALLING_EDGE 1105 | HDMI_I2S_L_CH_LOW_POL); 1106 hdmi_reg_writeb(hdata, HDMI_I2S_CON_2, HDMI_I2S_MSB_FIRST_MODE 1107 | HDMI_I2S_SET_BIT_CH(bit_ch) 1108 | HDMI_I2S_SET_SDATA_BIT(data_num) 1109 | HDMI_I2S_BASIC_FORMAT); 1110 1111 /* Configure register related to CUV information */ 1112 hdmi_reg_writeb(hdata, HDMI_I2S_CH_ST_0, HDMI_I2S_CH_STATUS_MODE_0 1113 | HDMI_I2S_2AUD_CH_WITHOUT_PREEMPH 1114 | HDMI_I2S_COPYRIGHT 1115 | HDMI_I2S_LINEAR_PCM 1116 | HDMI_I2S_CONSUMER_FORMAT); 1117 hdmi_reg_writeb(hdata, HDMI_I2S_CH_ST_1, HDMI_I2S_CD_PLAYER); 1118 hdmi_reg_writeb(hdata, HDMI_I2S_CH_ST_2, HDMI_I2S_SET_SOURCE_NUM(0)); 1119 hdmi_reg_writeb(hdata, HDMI_I2S_CH_ST_3, HDMI_I2S_CLK_ACCUR_LEVEL_2 1120 | HDMI_I2S_SET_SMP_FREQ(sample_frq)); 1121 hdmi_reg_writeb(hdata, HDMI_I2S_CH_ST_4, 1122 HDMI_I2S_ORG_SMP_FREQ_44_1 1123 | HDMI_I2S_WORD_LEN_MAX24_24BITS 1124 | HDMI_I2S_WORD_LEN_MAX_24BITS); 1125 1126 hdmi_reg_writeb(hdata, HDMI_I2S_CH_ST_CON, HDMI_I2S_CH_STATUS_RELOAD); 1127 } 1128 1129 static void hdmi_audio_control(struct hdmi_context *hdata, bool onoff) 1130 { 1131 if (hdata->dvi_mode) 1132 return; 1133 1134 hdmi_reg_writeb(hdata, HDMI_AUI_CON, onoff ? 2 : 0); 1135 hdmi_reg_writemask(hdata, HDMI_CON_0, onoff ? 1136 HDMI_ASP_EN : HDMI_ASP_DIS, HDMI_ASP_MASK); 1137 } 1138 1139 static void hdmi_conf_reset(struct hdmi_context *hdata) 1140 { 1141 u32 reg; 1142 1143 if (hdata->type == HDMI_TYPE13) 1144 reg = HDMI_V13_CORE_RSTOUT; 1145 else 1146 reg = HDMI_CORE_RSTOUT; 1147 1148 /* resetting HDMI core */ 1149 hdmi_reg_writemask(hdata, reg, 0, HDMI_CORE_SW_RSTOUT); 1150 usleep_range(10000, 12000); 1151 hdmi_reg_writemask(hdata, reg, ~0, HDMI_CORE_SW_RSTOUT); 1152 usleep_range(10000, 12000); 1153 } 1154 1155 static void hdmi_conf_init(struct hdmi_context *hdata) 1156 { 1157 union hdmi_infoframe infoframe; 1158 1159 /* disable HPD interrupts from HDMI IP block, use GPIO instead */ 1160 hdmi_reg_writemask(hdata, HDMI_INTC_CON, 0, HDMI_INTC_EN_GLOBAL | 1161 HDMI_INTC_EN_HPD_PLUG | HDMI_INTC_EN_HPD_UNPLUG); 1162 1163 /* choose HDMI mode */ 1164 hdmi_reg_writemask(hdata, HDMI_MODE_SEL, 1165 HDMI_MODE_HDMI_EN, HDMI_MODE_MASK); 1166 /* disable bluescreen */ 1167 hdmi_reg_writemask(hdata, HDMI_CON_0, 0, HDMI_BLUE_SCR_EN); 1168 1169 if (hdata->dvi_mode) { 1170 /* choose DVI mode */ 1171 hdmi_reg_writemask(hdata, HDMI_MODE_SEL, 1172 HDMI_MODE_DVI_EN, HDMI_MODE_MASK); 1173 hdmi_reg_writeb(hdata, HDMI_CON_2, 1174 HDMI_VID_PREAMBLE_DIS | HDMI_GUARD_BAND_DIS); 1175 } 1176 1177 if (hdata->type == HDMI_TYPE13) { 1178 /* choose bluescreen (fecal) color */ 1179 hdmi_reg_writeb(hdata, HDMI_V13_BLUE_SCREEN_0, 0x12); 1180 hdmi_reg_writeb(hdata, HDMI_V13_BLUE_SCREEN_1, 0x34); 1181 hdmi_reg_writeb(hdata, HDMI_V13_BLUE_SCREEN_2, 0x56); 1182 1183 /* enable AVI packet every vsync, fixes purple line problem */ 1184 hdmi_reg_writeb(hdata, HDMI_V13_AVI_CON, 0x02); 1185 /* force RGB, look to CEA-861-D, table 7 for more detail */ 1186 hdmi_reg_writeb(hdata, HDMI_V13_AVI_BYTE(0), 0 << 5); 1187 hdmi_reg_writemask(hdata, HDMI_CON_1, 0x10 << 5, 0x11 << 5); 1188 1189 hdmi_reg_writeb(hdata, HDMI_V13_SPD_CON, 0x02); 1190 hdmi_reg_writeb(hdata, HDMI_V13_AUI_CON, 0x02); 1191 hdmi_reg_writeb(hdata, HDMI_V13_ACR_CON, 0x04); 1192 } else { 1193 infoframe.any.type = HDMI_INFOFRAME_TYPE_AVI; 1194 infoframe.any.version = HDMI_AVI_VERSION; 1195 infoframe.any.length = HDMI_AVI_LENGTH; 1196 hdmi_reg_infoframe(hdata, &infoframe); 1197 1198 infoframe.any.type = HDMI_INFOFRAME_TYPE_AUDIO; 1199 infoframe.any.version = HDMI_AUI_VERSION; 1200 infoframe.any.length = HDMI_AUI_LENGTH; 1201 hdmi_reg_infoframe(hdata, &infoframe); 1202 1203 /* enable AVI packet every vsync, fixes purple line problem */ 1204 hdmi_reg_writemask(hdata, HDMI_CON_1, 2, 3 << 5); 1205 } 1206 } 1207 1208 static void hdmi_v13_mode_apply(struct hdmi_context *hdata) 1209 { 1210 const struct hdmi_tg_regs *tg = &hdata->mode_conf.conf.v13_conf.tg; 1211 const struct hdmi_v13_core_regs *core = 1212 &hdata->mode_conf.conf.v13_conf.core; 1213 int tries; 1214 1215 /* setting core registers */ 1216 hdmi_reg_writeb(hdata, HDMI_H_BLANK_0, core->h_blank[0]); 1217 hdmi_reg_writeb(hdata, HDMI_H_BLANK_1, core->h_blank[1]); 1218 hdmi_reg_writeb(hdata, HDMI_V13_V_BLANK_0, core->v_blank[0]); 1219 hdmi_reg_writeb(hdata, HDMI_V13_V_BLANK_1, core->v_blank[1]); 1220 hdmi_reg_writeb(hdata, HDMI_V13_V_BLANK_2, core->v_blank[2]); 1221 hdmi_reg_writeb(hdata, HDMI_V13_H_V_LINE_0, core->h_v_line[0]); 1222 hdmi_reg_writeb(hdata, HDMI_V13_H_V_LINE_1, core->h_v_line[1]); 1223 hdmi_reg_writeb(hdata, HDMI_V13_H_V_LINE_2, core->h_v_line[2]); 1224 hdmi_reg_writeb(hdata, HDMI_VSYNC_POL, core->vsync_pol[0]); 1225 hdmi_reg_writeb(hdata, HDMI_INT_PRO_MODE, core->int_pro_mode[0]); 1226 hdmi_reg_writeb(hdata, HDMI_V13_V_BLANK_F_0, core->v_blank_f[0]); 1227 hdmi_reg_writeb(hdata, HDMI_V13_V_BLANK_F_1, core->v_blank_f[1]); 1228 hdmi_reg_writeb(hdata, HDMI_V13_V_BLANK_F_2, core->v_blank_f[2]); 1229 hdmi_reg_writeb(hdata, HDMI_V13_H_SYNC_GEN_0, core->h_sync_gen[0]); 1230 hdmi_reg_writeb(hdata, HDMI_V13_H_SYNC_GEN_1, core->h_sync_gen[1]); 1231 hdmi_reg_writeb(hdata, HDMI_V13_H_SYNC_GEN_2, core->h_sync_gen[2]); 1232 hdmi_reg_writeb(hdata, HDMI_V13_V_SYNC_GEN_1_0, core->v_sync_gen1[0]); 1233 hdmi_reg_writeb(hdata, HDMI_V13_V_SYNC_GEN_1_1, core->v_sync_gen1[1]); 1234 hdmi_reg_writeb(hdata, HDMI_V13_V_SYNC_GEN_1_2, core->v_sync_gen1[2]); 1235 hdmi_reg_writeb(hdata, HDMI_V13_V_SYNC_GEN_2_0, core->v_sync_gen2[0]); 1236 hdmi_reg_writeb(hdata, HDMI_V13_V_SYNC_GEN_2_1, core->v_sync_gen2[1]); 1237 hdmi_reg_writeb(hdata, HDMI_V13_V_SYNC_GEN_2_2, core->v_sync_gen2[2]); 1238 hdmi_reg_writeb(hdata, HDMI_V13_V_SYNC_GEN_3_0, core->v_sync_gen3[0]); 1239 hdmi_reg_writeb(hdata, HDMI_V13_V_SYNC_GEN_3_1, core->v_sync_gen3[1]); 1240 hdmi_reg_writeb(hdata, HDMI_V13_V_SYNC_GEN_3_2, core->v_sync_gen3[2]); 1241 /* Timing generator registers */ 1242 hdmi_reg_writeb(hdata, HDMI_TG_H_FSZ_L, tg->h_fsz[0]); 1243 hdmi_reg_writeb(hdata, HDMI_TG_H_FSZ_H, tg->h_fsz[1]); 1244 hdmi_reg_writeb(hdata, HDMI_TG_HACT_ST_L, tg->hact_st[0]); 1245 hdmi_reg_writeb(hdata, HDMI_TG_HACT_ST_H, tg->hact_st[1]); 1246 hdmi_reg_writeb(hdata, HDMI_TG_HACT_SZ_L, tg->hact_sz[0]); 1247 hdmi_reg_writeb(hdata, HDMI_TG_HACT_SZ_H, tg->hact_sz[1]); 1248 hdmi_reg_writeb(hdata, HDMI_TG_V_FSZ_L, tg->v_fsz[0]); 1249 hdmi_reg_writeb(hdata, HDMI_TG_V_FSZ_H, tg->v_fsz[1]); 1250 hdmi_reg_writeb(hdata, HDMI_TG_VSYNC_L, tg->vsync[0]); 1251 hdmi_reg_writeb(hdata, HDMI_TG_VSYNC_H, tg->vsync[1]); 1252 hdmi_reg_writeb(hdata, HDMI_TG_VSYNC2_L, tg->vsync2[0]); 1253 hdmi_reg_writeb(hdata, HDMI_TG_VSYNC2_H, tg->vsync2[1]); 1254 hdmi_reg_writeb(hdata, HDMI_TG_VACT_ST_L, tg->vact_st[0]); 1255 hdmi_reg_writeb(hdata, HDMI_TG_VACT_ST_H, tg->vact_st[1]); 1256 hdmi_reg_writeb(hdata, HDMI_TG_VACT_SZ_L, tg->vact_sz[0]); 1257 hdmi_reg_writeb(hdata, HDMI_TG_VACT_SZ_H, tg->vact_sz[1]); 1258 hdmi_reg_writeb(hdata, HDMI_TG_FIELD_CHG_L, tg->field_chg[0]); 1259 hdmi_reg_writeb(hdata, HDMI_TG_FIELD_CHG_H, tg->field_chg[1]); 1260 hdmi_reg_writeb(hdata, HDMI_TG_VACT_ST2_L, tg->vact_st2[0]); 1261 hdmi_reg_writeb(hdata, HDMI_TG_VACT_ST2_H, tg->vact_st2[1]); 1262 hdmi_reg_writeb(hdata, HDMI_TG_VSYNC_TOP_HDMI_L, tg->vsync_top_hdmi[0]); 1263 hdmi_reg_writeb(hdata, HDMI_TG_VSYNC_TOP_HDMI_H, tg->vsync_top_hdmi[1]); 1264 hdmi_reg_writeb(hdata, HDMI_TG_VSYNC_BOT_HDMI_L, tg->vsync_bot_hdmi[0]); 1265 hdmi_reg_writeb(hdata, HDMI_TG_VSYNC_BOT_HDMI_H, tg->vsync_bot_hdmi[1]); 1266 hdmi_reg_writeb(hdata, HDMI_TG_FIELD_TOP_HDMI_L, tg->field_top_hdmi[0]); 1267 hdmi_reg_writeb(hdata, HDMI_TG_FIELD_TOP_HDMI_H, tg->field_top_hdmi[1]); 1268 hdmi_reg_writeb(hdata, HDMI_TG_FIELD_BOT_HDMI_L, tg->field_bot_hdmi[0]); 1269 hdmi_reg_writeb(hdata, HDMI_TG_FIELD_BOT_HDMI_H, tg->field_bot_hdmi[1]); 1270 1271 /* waiting for HDMIPHY's PLL to get to steady state */ 1272 for (tries = 100; tries; --tries) { 1273 u32 val = hdmi_reg_read(hdata, HDMI_V13_PHY_STATUS); 1274 if (val & HDMI_PHY_STATUS_READY) 1275 break; 1276 usleep_range(1000, 2000); 1277 } 1278 /* steady state not achieved */ 1279 if (tries == 0) { 1280 DRM_ERROR("hdmiphy's pll could not reach steady state.\n"); 1281 hdmi_regs_dump(hdata, "timing apply"); 1282 } 1283 1284 clk_disable_unprepare(hdata->res.sclk_hdmi); 1285 clk_set_parent(hdata->res.mout_hdmi, hdata->res.sclk_hdmiphy); 1286 clk_prepare_enable(hdata->res.sclk_hdmi); 1287 1288 /* enable HDMI and timing generator */ 1289 hdmi_reg_writemask(hdata, HDMI_CON_0, ~0, HDMI_EN); 1290 if (core->int_pro_mode[0]) 1291 hdmi_reg_writemask(hdata, HDMI_TG_CMD, ~0, HDMI_TG_EN | 1292 HDMI_FIELD_EN); 1293 else 1294 hdmi_reg_writemask(hdata, HDMI_TG_CMD, ~0, HDMI_TG_EN); 1295 } 1296 1297 static void hdmi_v14_mode_apply(struct hdmi_context *hdata) 1298 { 1299 const struct hdmi_tg_regs *tg = &hdata->mode_conf.conf.v14_conf.tg; 1300 const struct hdmi_v14_core_regs *core = 1301 &hdata->mode_conf.conf.v14_conf.core; 1302 int tries; 1303 1304 /* setting core registers */ 1305 hdmi_reg_writeb(hdata, HDMI_H_BLANK_0, core->h_blank[0]); 1306 hdmi_reg_writeb(hdata, HDMI_H_BLANK_1, core->h_blank[1]); 1307 hdmi_reg_writeb(hdata, HDMI_V2_BLANK_0, core->v2_blank[0]); 1308 hdmi_reg_writeb(hdata, HDMI_V2_BLANK_1, core->v2_blank[1]); 1309 hdmi_reg_writeb(hdata, HDMI_V1_BLANK_0, core->v1_blank[0]); 1310 hdmi_reg_writeb(hdata, HDMI_V1_BLANK_1, core->v1_blank[1]); 1311 hdmi_reg_writeb(hdata, HDMI_V_LINE_0, core->v_line[0]); 1312 hdmi_reg_writeb(hdata, HDMI_V_LINE_1, core->v_line[1]); 1313 hdmi_reg_writeb(hdata, HDMI_H_LINE_0, core->h_line[0]); 1314 hdmi_reg_writeb(hdata, HDMI_H_LINE_1, core->h_line[1]); 1315 hdmi_reg_writeb(hdata, HDMI_HSYNC_POL, core->hsync_pol[0]); 1316 hdmi_reg_writeb(hdata, HDMI_VSYNC_POL, core->vsync_pol[0]); 1317 hdmi_reg_writeb(hdata, HDMI_INT_PRO_MODE, core->int_pro_mode[0]); 1318 hdmi_reg_writeb(hdata, HDMI_V_BLANK_F0_0, core->v_blank_f0[0]); 1319 hdmi_reg_writeb(hdata, HDMI_V_BLANK_F0_1, core->v_blank_f0[1]); 1320 hdmi_reg_writeb(hdata, HDMI_V_BLANK_F1_0, core->v_blank_f1[0]); 1321 hdmi_reg_writeb(hdata, HDMI_V_BLANK_F1_1, core->v_blank_f1[1]); 1322 hdmi_reg_writeb(hdata, HDMI_H_SYNC_START_0, core->h_sync_start[0]); 1323 hdmi_reg_writeb(hdata, HDMI_H_SYNC_START_1, core->h_sync_start[1]); 1324 hdmi_reg_writeb(hdata, HDMI_H_SYNC_END_0, core->h_sync_end[0]); 1325 hdmi_reg_writeb(hdata, HDMI_H_SYNC_END_1, core->h_sync_end[1]); 1326 hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_BEF_2_0, 1327 core->v_sync_line_bef_2[0]); 1328 hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_BEF_2_1, 1329 core->v_sync_line_bef_2[1]); 1330 hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_BEF_1_0, 1331 core->v_sync_line_bef_1[0]); 1332 hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_BEF_1_1, 1333 core->v_sync_line_bef_1[1]); 1334 hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_2_0, 1335 core->v_sync_line_aft_2[0]); 1336 hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_2_1, 1337 core->v_sync_line_aft_2[1]); 1338 hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_1_0, 1339 core->v_sync_line_aft_1[0]); 1340 hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_1_1, 1341 core->v_sync_line_aft_1[1]); 1342 hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_PXL_2_0, 1343 core->v_sync_line_aft_pxl_2[0]); 1344 hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_PXL_2_1, 1345 core->v_sync_line_aft_pxl_2[1]); 1346 hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_PXL_1_0, 1347 core->v_sync_line_aft_pxl_1[0]); 1348 hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_PXL_1_1, 1349 core->v_sync_line_aft_pxl_1[1]); 1350 hdmi_reg_writeb(hdata, HDMI_V_BLANK_F2_0, core->v_blank_f2[0]); 1351 hdmi_reg_writeb(hdata, HDMI_V_BLANK_F2_1, core->v_blank_f2[1]); 1352 hdmi_reg_writeb(hdata, HDMI_V_BLANK_F3_0, core->v_blank_f3[0]); 1353 hdmi_reg_writeb(hdata, HDMI_V_BLANK_F3_1, core->v_blank_f3[1]); 1354 hdmi_reg_writeb(hdata, HDMI_V_BLANK_F4_0, core->v_blank_f4[0]); 1355 hdmi_reg_writeb(hdata, HDMI_V_BLANK_F4_1, core->v_blank_f4[1]); 1356 hdmi_reg_writeb(hdata, HDMI_V_BLANK_F5_0, core->v_blank_f5[0]); 1357 hdmi_reg_writeb(hdata, HDMI_V_BLANK_F5_1, core->v_blank_f5[1]); 1358 hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_3_0, 1359 core->v_sync_line_aft_3[0]); 1360 hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_3_1, 1361 core->v_sync_line_aft_3[1]); 1362 hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_4_0, 1363 core->v_sync_line_aft_4[0]); 1364 hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_4_1, 1365 core->v_sync_line_aft_4[1]); 1366 hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_5_0, 1367 core->v_sync_line_aft_5[0]); 1368 hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_5_1, 1369 core->v_sync_line_aft_5[1]); 1370 hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_6_0, 1371 core->v_sync_line_aft_6[0]); 1372 hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_6_1, 1373 core->v_sync_line_aft_6[1]); 1374 hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_PXL_3_0, 1375 core->v_sync_line_aft_pxl_3[0]); 1376 hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_PXL_3_1, 1377 core->v_sync_line_aft_pxl_3[1]); 1378 hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_PXL_4_0, 1379 core->v_sync_line_aft_pxl_4[0]); 1380 hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_PXL_4_1, 1381 core->v_sync_line_aft_pxl_4[1]); 1382 hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_PXL_5_0, 1383 core->v_sync_line_aft_pxl_5[0]); 1384 hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_PXL_5_1, 1385 core->v_sync_line_aft_pxl_5[1]); 1386 hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_PXL_6_0, 1387 core->v_sync_line_aft_pxl_6[0]); 1388 hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_PXL_6_1, 1389 core->v_sync_line_aft_pxl_6[1]); 1390 hdmi_reg_writeb(hdata, HDMI_VACT_SPACE_1_0, core->vact_space_1[0]); 1391 hdmi_reg_writeb(hdata, HDMI_VACT_SPACE_1_1, core->vact_space_1[1]); 1392 hdmi_reg_writeb(hdata, HDMI_VACT_SPACE_2_0, core->vact_space_2[0]); 1393 hdmi_reg_writeb(hdata, HDMI_VACT_SPACE_2_1, core->vact_space_2[1]); 1394 hdmi_reg_writeb(hdata, HDMI_VACT_SPACE_3_0, core->vact_space_3[0]); 1395 hdmi_reg_writeb(hdata, HDMI_VACT_SPACE_3_1, core->vact_space_3[1]); 1396 hdmi_reg_writeb(hdata, HDMI_VACT_SPACE_4_0, core->vact_space_4[0]); 1397 hdmi_reg_writeb(hdata, HDMI_VACT_SPACE_4_1, core->vact_space_4[1]); 1398 hdmi_reg_writeb(hdata, HDMI_VACT_SPACE_5_0, core->vact_space_5[0]); 1399 hdmi_reg_writeb(hdata, HDMI_VACT_SPACE_5_1, core->vact_space_5[1]); 1400 hdmi_reg_writeb(hdata, HDMI_VACT_SPACE_6_0, core->vact_space_6[0]); 1401 hdmi_reg_writeb(hdata, HDMI_VACT_SPACE_6_1, core->vact_space_6[1]); 1402 1403 /* Timing generator registers */ 1404 hdmi_reg_writeb(hdata, HDMI_TG_H_FSZ_L, tg->h_fsz[0]); 1405 hdmi_reg_writeb(hdata, HDMI_TG_H_FSZ_H, tg->h_fsz[1]); 1406 hdmi_reg_writeb(hdata, HDMI_TG_HACT_ST_L, tg->hact_st[0]); 1407 hdmi_reg_writeb(hdata, HDMI_TG_HACT_ST_H, tg->hact_st[1]); 1408 hdmi_reg_writeb(hdata, HDMI_TG_HACT_SZ_L, tg->hact_sz[0]); 1409 hdmi_reg_writeb(hdata, HDMI_TG_HACT_SZ_H, tg->hact_sz[1]); 1410 hdmi_reg_writeb(hdata, HDMI_TG_V_FSZ_L, tg->v_fsz[0]); 1411 hdmi_reg_writeb(hdata, HDMI_TG_V_FSZ_H, tg->v_fsz[1]); 1412 hdmi_reg_writeb(hdata, HDMI_TG_VSYNC_L, tg->vsync[0]); 1413 hdmi_reg_writeb(hdata, HDMI_TG_VSYNC_H, tg->vsync[1]); 1414 hdmi_reg_writeb(hdata, HDMI_TG_VSYNC2_L, tg->vsync2[0]); 1415 hdmi_reg_writeb(hdata, HDMI_TG_VSYNC2_H, tg->vsync2[1]); 1416 hdmi_reg_writeb(hdata, HDMI_TG_VACT_ST_L, tg->vact_st[0]); 1417 hdmi_reg_writeb(hdata, HDMI_TG_VACT_ST_H, tg->vact_st[1]); 1418 hdmi_reg_writeb(hdata, HDMI_TG_VACT_SZ_L, tg->vact_sz[0]); 1419 hdmi_reg_writeb(hdata, HDMI_TG_VACT_SZ_H, tg->vact_sz[1]); 1420 hdmi_reg_writeb(hdata, HDMI_TG_FIELD_CHG_L, tg->field_chg[0]); 1421 hdmi_reg_writeb(hdata, HDMI_TG_FIELD_CHG_H, tg->field_chg[1]); 1422 hdmi_reg_writeb(hdata, HDMI_TG_VACT_ST2_L, tg->vact_st2[0]); 1423 hdmi_reg_writeb(hdata, HDMI_TG_VACT_ST2_H, tg->vact_st2[1]); 1424 hdmi_reg_writeb(hdata, HDMI_TG_VACT_ST3_L, tg->vact_st3[0]); 1425 hdmi_reg_writeb(hdata, HDMI_TG_VACT_ST3_H, tg->vact_st3[1]); 1426 hdmi_reg_writeb(hdata, HDMI_TG_VACT_ST4_L, tg->vact_st4[0]); 1427 hdmi_reg_writeb(hdata, HDMI_TG_VACT_ST4_H, tg->vact_st4[1]); 1428 hdmi_reg_writeb(hdata, HDMI_TG_VSYNC_TOP_HDMI_L, tg->vsync_top_hdmi[0]); 1429 hdmi_reg_writeb(hdata, HDMI_TG_VSYNC_TOP_HDMI_H, tg->vsync_top_hdmi[1]); 1430 hdmi_reg_writeb(hdata, HDMI_TG_VSYNC_BOT_HDMI_L, tg->vsync_bot_hdmi[0]); 1431 hdmi_reg_writeb(hdata, HDMI_TG_VSYNC_BOT_HDMI_H, tg->vsync_bot_hdmi[1]); 1432 hdmi_reg_writeb(hdata, HDMI_TG_FIELD_TOP_HDMI_L, tg->field_top_hdmi[0]); 1433 hdmi_reg_writeb(hdata, HDMI_TG_FIELD_TOP_HDMI_H, tg->field_top_hdmi[1]); 1434 hdmi_reg_writeb(hdata, HDMI_TG_FIELD_BOT_HDMI_L, tg->field_bot_hdmi[0]); 1435 hdmi_reg_writeb(hdata, HDMI_TG_FIELD_BOT_HDMI_H, tg->field_bot_hdmi[1]); 1436 hdmi_reg_writeb(hdata, HDMI_TG_3D, tg->tg_3d[0]); 1437 1438 /* waiting for HDMIPHY's PLL to get to steady state */ 1439 for (tries = 100; tries; --tries) { 1440 u32 val = hdmi_reg_read(hdata, HDMI_PHY_STATUS_0); 1441 if (val & HDMI_PHY_STATUS_READY) 1442 break; 1443 usleep_range(1000, 2000); 1444 } 1445 /* steady state not achieved */ 1446 if (tries == 0) { 1447 DRM_ERROR("hdmiphy's pll could not reach steady state.\n"); 1448 hdmi_regs_dump(hdata, "timing apply"); 1449 } 1450 1451 clk_disable_unprepare(hdata->res.sclk_hdmi); 1452 clk_set_parent(hdata->res.mout_hdmi, hdata->res.sclk_hdmiphy); 1453 clk_prepare_enable(hdata->res.sclk_hdmi); 1454 1455 /* enable HDMI and timing generator */ 1456 hdmi_reg_writemask(hdata, HDMI_CON_0, ~0, HDMI_EN); 1457 if (core->int_pro_mode[0]) 1458 hdmi_reg_writemask(hdata, HDMI_TG_CMD, ~0, HDMI_TG_EN | 1459 HDMI_FIELD_EN); 1460 else 1461 hdmi_reg_writemask(hdata, HDMI_TG_CMD, ~0, HDMI_TG_EN); 1462 } 1463 1464 static void hdmi_mode_apply(struct hdmi_context *hdata) 1465 { 1466 if (hdata->type == HDMI_TYPE13) 1467 hdmi_v13_mode_apply(hdata); 1468 else 1469 hdmi_v14_mode_apply(hdata); 1470 } 1471 1472 static void hdmiphy_conf_reset(struct hdmi_context *hdata) 1473 { 1474 u8 buffer[2]; 1475 u32 reg; 1476 1477 clk_disable_unprepare(hdata->res.sclk_hdmi); 1478 clk_set_parent(hdata->res.mout_hdmi, hdata->res.sclk_pixel); 1479 clk_prepare_enable(hdata->res.sclk_hdmi); 1480 1481 /* operation mode */ 1482 buffer[0] = 0x1f; 1483 buffer[1] = 0x00; 1484 1485 if (hdata->hdmiphy_port) 1486 i2c_master_send(hdata->hdmiphy_port, buffer, 2); 1487 1488 if (hdata->type == HDMI_TYPE13) 1489 reg = HDMI_V13_PHY_RSTOUT; 1490 else 1491 reg = HDMI_PHY_RSTOUT; 1492 1493 /* reset hdmiphy */ 1494 hdmi_reg_writemask(hdata, reg, ~0, HDMI_PHY_SW_RSTOUT); 1495 usleep_range(10000, 12000); 1496 hdmi_reg_writemask(hdata, reg, 0, HDMI_PHY_SW_RSTOUT); 1497 usleep_range(10000, 12000); 1498 } 1499 1500 static void hdmiphy_poweron(struct hdmi_context *hdata) 1501 { 1502 if (hdata->type == HDMI_TYPE14) 1503 hdmi_reg_writemask(hdata, HDMI_PHY_CON_0, 0, 1504 HDMI_PHY_POWER_OFF_EN); 1505 } 1506 1507 static void hdmiphy_poweroff(struct hdmi_context *hdata) 1508 { 1509 if (hdata->type == HDMI_TYPE14) 1510 hdmi_reg_writemask(hdata, HDMI_PHY_CON_0, ~0, 1511 HDMI_PHY_POWER_OFF_EN); 1512 } 1513 1514 static void hdmiphy_conf_apply(struct hdmi_context *hdata) 1515 { 1516 const u8 *hdmiphy_data; 1517 u8 buffer[32]; 1518 u8 operation[2]; 1519 u8 read_buffer[32] = {0, }; 1520 int ret; 1521 int i; 1522 1523 if (!hdata->hdmiphy_port) { 1524 DRM_ERROR("hdmiphy is not attached\n"); 1525 return; 1526 } 1527 1528 /* pixel clock */ 1529 i = hdmi_find_phy_conf(hdata, hdata->mode_conf.pixel_clock); 1530 if (i < 0) { 1531 DRM_ERROR("failed to find hdmiphy conf\n"); 1532 return; 1533 } 1534 1535 if (hdata->type == HDMI_TYPE13) 1536 hdmiphy_data = hdmiphy_v13_configs[i].conf; 1537 else 1538 hdmiphy_data = hdmiphy_v14_configs[i].conf; 1539 1540 memcpy(buffer, hdmiphy_data, 32); 1541 ret = i2c_master_send(hdata->hdmiphy_port, buffer, 32); 1542 if (ret != 32) { 1543 DRM_ERROR("failed to configure HDMIPHY via I2C\n"); 1544 return; 1545 } 1546 1547 usleep_range(10000, 12000); 1548 1549 /* operation mode */ 1550 operation[0] = 0x1f; 1551 operation[1] = 0x80; 1552 1553 ret = i2c_master_send(hdata->hdmiphy_port, operation, 2); 1554 if (ret != 2) { 1555 DRM_ERROR("failed to enable hdmiphy\n"); 1556 return; 1557 } 1558 1559 ret = i2c_master_recv(hdata->hdmiphy_port, read_buffer, 32); 1560 if (ret < 0) { 1561 DRM_ERROR("failed to read hdmiphy config\n"); 1562 return; 1563 } 1564 1565 for (i = 0; i < ret; i++) 1566 DRM_DEBUG_KMS("hdmiphy[0x%02x] write[0x%02x] - " 1567 "recv [0x%02x]\n", i, buffer[i], read_buffer[i]); 1568 } 1569 1570 static void hdmi_conf_apply(struct hdmi_context *hdata) 1571 { 1572 hdmiphy_conf_reset(hdata); 1573 hdmiphy_conf_apply(hdata); 1574 1575 mutex_lock(&hdata->hdmi_mutex); 1576 hdmi_conf_reset(hdata); 1577 hdmi_conf_init(hdata); 1578 mutex_unlock(&hdata->hdmi_mutex); 1579 1580 hdmi_audio_init(hdata); 1581 1582 /* setting core registers */ 1583 hdmi_mode_apply(hdata); 1584 hdmi_audio_control(hdata, true); 1585 1586 hdmi_regs_dump(hdata, "start"); 1587 } 1588 1589 static void hdmi_set_reg(u8 *reg_pair, int num_bytes, u32 value) 1590 { 1591 int i; 1592 BUG_ON(num_bytes > 4); 1593 for (i = 0; i < num_bytes; i++) 1594 reg_pair[i] = (value >> (8 * i)) & 0xff; 1595 } 1596 1597 static void hdmi_v13_mode_set(struct hdmi_context *hdata, 1598 struct drm_display_mode *m) 1599 { 1600 struct hdmi_v13_core_regs *core = &hdata->mode_conf.conf.v13_conf.core; 1601 struct hdmi_tg_regs *tg = &hdata->mode_conf.conf.v13_conf.tg; 1602 unsigned int val; 1603 1604 hdata->mode_conf.cea_video_id = 1605 drm_match_cea_mode((struct drm_display_mode *)m); 1606 hdata->mode_conf.pixel_clock = m->clock * 1000; 1607 hdata->mode_conf.aspect_ratio = m->picture_aspect_ratio; 1608 1609 hdmi_set_reg(core->h_blank, 2, m->htotal - m->hdisplay); 1610 hdmi_set_reg(core->h_v_line, 3, (m->htotal << 12) | m->vtotal); 1611 1612 val = (m->flags & DRM_MODE_FLAG_NVSYNC) ? 1 : 0; 1613 hdmi_set_reg(core->vsync_pol, 1, val); 1614 1615 val = (m->flags & DRM_MODE_FLAG_INTERLACE) ? 1 : 0; 1616 hdmi_set_reg(core->int_pro_mode, 1, val); 1617 1618 val = (m->hsync_start - m->hdisplay - 2); 1619 val |= ((m->hsync_end - m->hdisplay - 2) << 10); 1620 val |= ((m->flags & DRM_MODE_FLAG_NHSYNC) ? 1 : 0)<<20; 1621 hdmi_set_reg(core->h_sync_gen, 3, val); 1622 1623 /* 1624 * Quirk requirement for exynos HDMI IP design, 1625 * 2 pixels less than the actual calculation for hsync_start 1626 * and end. 1627 */ 1628 1629 /* Following values & calculations differ for different type of modes */ 1630 if (m->flags & DRM_MODE_FLAG_INTERLACE) { 1631 /* Interlaced Mode */ 1632 val = ((m->vsync_end - m->vdisplay) / 2); 1633 val |= ((m->vsync_start - m->vdisplay) / 2) << 12; 1634 hdmi_set_reg(core->v_sync_gen1, 3, val); 1635 1636 val = m->vtotal / 2; 1637 val |= ((m->vtotal - m->vdisplay) / 2) << 11; 1638 hdmi_set_reg(core->v_blank, 3, val); 1639 1640 val = (m->vtotal + 1641 ((m->vsync_end - m->vsync_start) * 4) + 5) / 2; 1642 val |= m->vtotal << 11; 1643 hdmi_set_reg(core->v_blank_f, 3, val); 1644 1645 val = ((m->vtotal / 2) + 7); 1646 val |= ((m->vtotal / 2) + 2) << 12; 1647 hdmi_set_reg(core->v_sync_gen2, 3, val); 1648 1649 val = ((m->htotal / 2) + (m->hsync_start - m->hdisplay)); 1650 val |= ((m->htotal / 2) + 1651 (m->hsync_start - m->hdisplay)) << 12; 1652 hdmi_set_reg(core->v_sync_gen3, 3, val); 1653 1654 hdmi_set_reg(tg->vact_st, 2, (m->vtotal - m->vdisplay) / 2); 1655 hdmi_set_reg(tg->vact_sz, 2, m->vdisplay / 2); 1656 1657 hdmi_set_reg(tg->vact_st2, 2, 0x249);/* Reset value + 1*/ 1658 } else { 1659 /* Progressive Mode */ 1660 1661 val = m->vtotal; 1662 val |= (m->vtotal - m->vdisplay) << 11; 1663 hdmi_set_reg(core->v_blank, 3, val); 1664 1665 hdmi_set_reg(core->v_blank_f, 3, 0); 1666 1667 val = (m->vsync_end - m->vdisplay); 1668 val |= ((m->vsync_start - m->vdisplay) << 12); 1669 hdmi_set_reg(core->v_sync_gen1, 3, val); 1670 1671 hdmi_set_reg(core->v_sync_gen2, 3, 0x1001);/* Reset value */ 1672 hdmi_set_reg(core->v_sync_gen3, 3, 0x1001);/* Reset value */ 1673 hdmi_set_reg(tg->vact_st, 2, m->vtotal - m->vdisplay); 1674 hdmi_set_reg(tg->vact_sz, 2, m->vdisplay); 1675 hdmi_set_reg(tg->vact_st2, 2, 0x248); /* Reset value */ 1676 } 1677 1678 /* Timing generator registers */ 1679 hdmi_set_reg(tg->cmd, 1, 0x0); 1680 hdmi_set_reg(tg->h_fsz, 2, m->htotal); 1681 hdmi_set_reg(tg->hact_st, 2, m->htotal - m->hdisplay); 1682 hdmi_set_reg(tg->hact_sz, 2, m->hdisplay); 1683 hdmi_set_reg(tg->v_fsz, 2, m->vtotal); 1684 hdmi_set_reg(tg->vsync, 2, 0x1); 1685 hdmi_set_reg(tg->vsync2, 2, 0x233); /* Reset value */ 1686 hdmi_set_reg(tg->field_chg, 2, 0x233); /* Reset value */ 1687 hdmi_set_reg(tg->vsync_top_hdmi, 2, 0x1); /* Reset value */ 1688 hdmi_set_reg(tg->vsync_bot_hdmi, 2, 0x233); /* Reset value */ 1689 hdmi_set_reg(tg->field_top_hdmi, 2, 0x1); /* Reset value */ 1690 hdmi_set_reg(tg->field_bot_hdmi, 2, 0x233); /* Reset value */ 1691 hdmi_set_reg(tg->tg_3d, 1, 0x0); /* Not used */ 1692 } 1693 1694 static void hdmi_v14_mode_set(struct hdmi_context *hdata, 1695 struct drm_display_mode *m) 1696 { 1697 struct hdmi_tg_regs *tg = &hdata->mode_conf.conf.v14_conf.tg; 1698 struct hdmi_v14_core_regs *core = 1699 &hdata->mode_conf.conf.v14_conf.core; 1700 1701 hdata->mode_conf.cea_video_id = 1702 drm_match_cea_mode((struct drm_display_mode *)m); 1703 hdata->mode_conf.pixel_clock = m->clock * 1000; 1704 hdata->mode_conf.aspect_ratio = m->picture_aspect_ratio; 1705 1706 hdmi_set_reg(core->h_blank, 2, m->htotal - m->hdisplay); 1707 hdmi_set_reg(core->v_line, 2, m->vtotal); 1708 hdmi_set_reg(core->h_line, 2, m->htotal); 1709 hdmi_set_reg(core->hsync_pol, 1, 1710 (m->flags & DRM_MODE_FLAG_NHSYNC) ? 1 : 0); 1711 hdmi_set_reg(core->vsync_pol, 1, 1712 (m->flags & DRM_MODE_FLAG_NVSYNC) ? 1 : 0); 1713 hdmi_set_reg(core->int_pro_mode, 1, 1714 (m->flags & DRM_MODE_FLAG_INTERLACE) ? 1 : 0); 1715 1716 /* 1717 * Quirk requirement for exynos 5 HDMI IP design, 1718 * 2 pixels less than the actual calculation for hsync_start 1719 * and end. 1720 */ 1721 1722 /* Following values & calculations differ for different type of modes */ 1723 if (m->flags & DRM_MODE_FLAG_INTERLACE) { 1724 /* Interlaced Mode */ 1725 hdmi_set_reg(core->v_sync_line_bef_2, 2, 1726 (m->vsync_end - m->vdisplay) / 2); 1727 hdmi_set_reg(core->v_sync_line_bef_1, 2, 1728 (m->vsync_start - m->vdisplay) / 2); 1729 hdmi_set_reg(core->v2_blank, 2, m->vtotal / 2); 1730 hdmi_set_reg(core->v1_blank, 2, (m->vtotal - m->vdisplay) / 2); 1731 hdmi_set_reg(core->v_blank_f0, 2, m->vtotal - m->vdisplay / 2); 1732 hdmi_set_reg(core->v_blank_f1, 2, m->vtotal); 1733 hdmi_set_reg(core->v_sync_line_aft_2, 2, (m->vtotal / 2) + 7); 1734 hdmi_set_reg(core->v_sync_line_aft_1, 2, (m->vtotal / 2) + 2); 1735 hdmi_set_reg(core->v_sync_line_aft_pxl_2, 2, 1736 (m->htotal / 2) + (m->hsync_start - m->hdisplay)); 1737 hdmi_set_reg(core->v_sync_line_aft_pxl_1, 2, 1738 (m->htotal / 2) + (m->hsync_start - m->hdisplay)); 1739 hdmi_set_reg(tg->vact_st, 2, (m->vtotal - m->vdisplay) / 2); 1740 hdmi_set_reg(tg->vact_sz, 2, m->vdisplay / 2); 1741 hdmi_set_reg(tg->vact_st2, 2, m->vtotal - m->vdisplay / 2); 1742 hdmi_set_reg(tg->vsync2, 2, (m->vtotal / 2) + 1); 1743 hdmi_set_reg(tg->vsync_bot_hdmi, 2, (m->vtotal / 2) + 1); 1744 hdmi_set_reg(tg->field_bot_hdmi, 2, (m->vtotal / 2) + 1); 1745 hdmi_set_reg(tg->vact_st3, 2, 0x0); 1746 hdmi_set_reg(tg->vact_st4, 2, 0x0); 1747 } else { 1748 /* Progressive Mode */ 1749 hdmi_set_reg(core->v_sync_line_bef_2, 2, 1750 m->vsync_end - m->vdisplay); 1751 hdmi_set_reg(core->v_sync_line_bef_1, 2, 1752 m->vsync_start - m->vdisplay); 1753 hdmi_set_reg(core->v2_blank, 2, m->vtotal); 1754 hdmi_set_reg(core->v1_blank, 2, m->vtotal - m->vdisplay); 1755 hdmi_set_reg(core->v_blank_f0, 2, 0xffff); 1756 hdmi_set_reg(core->v_blank_f1, 2, 0xffff); 1757 hdmi_set_reg(core->v_sync_line_aft_2, 2, 0xffff); 1758 hdmi_set_reg(core->v_sync_line_aft_1, 2, 0xffff); 1759 hdmi_set_reg(core->v_sync_line_aft_pxl_2, 2, 0xffff); 1760 hdmi_set_reg(core->v_sync_line_aft_pxl_1, 2, 0xffff); 1761 hdmi_set_reg(tg->vact_st, 2, m->vtotal - m->vdisplay); 1762 hdmi_set_reg(tg->vact_sz, 2, m->vdisplay); 1763 hdmi_set_reg(tg->vact_st2, 2, 0x248); /* Reset value */ 1764 hdmi_set_reg(tg->vact_st3, 2, 0x47b); /* Reset value */ 1765 hdmi_set_reg(tg->vact_st4, 2, 0x6ae); /* Reset value */ 1766 hdmi_set_reg(tg->vsync2, 2, 0x233); /* Reset value */ 1767 hdmi_set_reg(tg->vsync_bot_hdmi, 2, 0x233); /* Reset value */ 1768 hdmi_set_reg(tg->field_bot_hdmi, 2, 0x233); /* Reset value */ 1769 } 1770 1771 /* Following values & calculations are same irrespective of mode type */ 1772 hdmi_set_reg(core->h_sync_start, 2, m->hsync_start - m->hdisplay - 2); 1773 hdmi_set_reg(core->h_sync_end, 2, m->hsync_end - m->hdisplay - 2); 1774 hdmi_set_reg(core->vact_space_1, 2, 0xffff); 1775 hdmi_set_reg(core->vact_space_2, 2, 0xffff); 1776 hdmi_set_reg(core->vact_space_3, 2, 0xffff); 1777 hdmi_set_reg(core->vact_space_4, 2, 0xffff); 1778 hdmi_set_reg(core->vact_space_5, 2, 0xffff); 1779 hdmi_set_reg(core->vact_space_6, 2, 0xffff); 1780 hdmi_set_reg(core->v_blank_f2, 2, 0xffff); 1781 hdmi_set_reg(core->v_blank_f3, 2, 0xffff); 1782 hdmi_set_reg(core->v_blank_f4, 2, 0xffff); 1783 hdmi_set_reg(core->v_blank_f5, 2, 0xffff); 1784 hdmi_set_reg(core->v_sync_line_aft_3, 2, 0xffff); 1785 hdmi_set_reg(core->v_sync_line_aft_4, 2, 0xffff); 1786 hdmi_set_reg(core->v_sync_line_aft_5, 2, 0xffff); 1787 hdmi_set_reg(core->v_sync_line_aft_6, 2, 0xffff); 1788 hdmi_set_reg(core->v_sync_line_aft_pxl_3, 2, 0xffff); 1789 hdmi_set_reg(core->v_sync_line_aft_pxl_4, 2, 0xffff); 1790 hdmi_set_reg(core->v_sync_line_aft_pxl_5, 2, 0xffff); 1791 hdmi_set_reg(core->v_sync_line_aft_pxl_6, 2, 0xffff); 1792 1793 /* Timing generator registers */ 1794 hdmi_set_reg(tg->cmd, 1, 0x0); 1795 hdmi_set_reg(tg->h_fsz, 2, m->htotal); 1796 hdmi_set_reg(tg->hact_st, 2, m->htotal - m->hdisplay); 1797 hdmi_set_reg(tg->hact_sz, 2, m->hdisplay); 1798 hdmi_set_reg(tg->v_fsz, 2, m->vtotal); 1799 hdmi_set_reg(tg->vsync, 2, 0x1); 1800 hdmi_set_reg(tg->field_chg, 2, 0x233); /* Reset value */ 1801 hdmi_set_reg(tg->vsync_top_hdmi, 2, 0x1); /* Reset value */ 1802 hdmi_set_reg(tg->field_top_hdmi, 2, 0x1); /* Reset value */ 1803 hdmi_set_reg(tg->tg_3d, 1, 0x0); 1804 } 1805 1806 static void hdmi_mode_set(struct exynos_drm_display *display, 1807 struct drm_display_mode *mode) 1808 { 1809 struct hdmi_context *hdata = display->ctx; 1810 struct drm_display_mode *m = mode; 1811 1812 DRM_DEBUG_KMS("xres=%d, yres=%d, refresh=%d, intl=%s\n", 1813 m->hdisplay, m->vdisplay, 1814 m->vrefresh, (m->flags & DRM_MODE_FLAG_INTERLACE) ? 1815 "INTERLACED" : "PROGERESSIVE"); 1816 1817 if (hdata->type == HDMI_TYPE13) 1818 hdmi_v13_mode_set(hdata, mode); 1819 else 1820 hdmi_v14_mode_set(hdata, mode); 1821 } 1822 1823 static void hdmi_commit(struct exynos_drm_display *display) 1824 { 1825 struct hdmi_context *hdata = display->ctx; 1826 1827 mutex_lock(&hdata->hdmi_mutex); 1828 if (!hdata->powered) { 1829 mutex_unlock(&hdata->hdmi_mutex); 1830 return; 1831 } 1832 mutex_unlock(&hdata->hdmi_mutex); 1833 1834 hdmi_conf_apply(hdata); 1835 } 1836 1837 static void hdmi_poweron(struct exynos_drm_display *display) 1838 { 1839 struct hdmi_context *hdata = display->ctx; 1840 struct hdmi_resources *res = &hdata->res; 1841 1842 mutex_lock(&hdata->hdmi_mutex); 1843 if (hdata->powered) { 1844 mutex_unlock(&hdata->hdmi_mutex); 1845 return; 1846 } 1847 1848 hdata->powered = true; 1849 1850 mutex_unlock(&hdata->hdmi_mutex); 1851 1852 pm_runtime_get_sync(hdata->dev); 1853 1854 if (regulator_bulk_enable(res->regul_count, res->regul_bulk)) 1855 DRM_DEBUG_KMS("failed to enable regulator bulk\n"); 1856 1857 clk_prepare_enable(res->hdmiphy); 1858 clk_prepare_enable(res->hdmi); 1859 clk_prepare_enable(res->sclk_hdmi); 1860 1861 hdmiphy_poweron(hdata); 1862 hdmi_commit(display); 1863 } 1864 1865 static void hdmi_poweroff(struct exynos_drm_display *display) 1866 { 1867 struct hdmi_context *hdata = display->ctx; 1868 struct hdmi_resources *res = &hdata->res; 1869 1870 mutex_lock(&hdata->hdmi_mutex); 1871 if (!hdata->powered) 1872 goto out; 1873 mutex_unlock(&hdata->hdmi_mutex); 1874 1875 /* 1876 * The TV power domain needs any condition of hdmiphy to turn off and 1877 * its reset state seems to meet the condition. 1878 */ 1879 hdmiphy_conf_reset(hdata); 1880 hdmiphy_poweroff(hdata); 1881 1882 clk_disable_unprepare(res->sclk_hdmi); 1883 clk_disable_unprepare(res->hdmi); 1884 clk_disable_unprepare(res->hdmiphy); 1885 regulator_bulk_disable(res->regul_count, res->regul_bulk); 1886 1887 pm_runtime_put_sync(hdata->dev); 1888 1889 mutex_lock(&hdata->hdmi_mutex); 1890 hdata->powered = false; 1891 1892 out: 1893 mutex_unlock(&hdata->hdmi_mutex); 1894 } 1895 1896 static void hdmi_dpms(struct exynos_drm_display *display, int mode) 1897 { 1898 DRM_DEBUG_KMS("mode %d\n", mode); 1899 1900 switch (mode) { 1901 case DRM_MODE_DPMS_ON: 1902 hdmi_poweron(display); 1903 break; 1904 case DRM_MODE_DPMS_STANDBY: 1905 case DRM_MODE_DPMS_SUSPEND: 1906 case DRM_MODE_DPMS_OFF: 1907 hdmi_poweroff(display); 1908 break; 1909 default: 1910 DRM_DEBUG_KMS("unknown dpms mode: %d\n", mode); 1911 break; 1912 } 1913 } 1914 1915 static struct exynos_drm_display_ops hdmi_display_ops = { 1916 .initialize = hdmi_initialize, 1917 .create_connector = hdmi_create_connector, 1918 .mode_fixup = hdmi_mode_fixup, 1919 .mode_set = hdmi_mode_set, 1920 .dpms = hdmi_dpms, 1921 .commit = hdmi_commit, 1922 }; 1923 1924 static struct exynos_drm_display hdmi_display = { 1925 .type = EXYNOS_DISPLAY_TYPE_HDMI, 1926 .ops = &hdmi_display_ops, 1927 }; 1928 1929 static irqreturn_t hdmi_irq_thread(int irq, void *arg) 1930 { 1931 struct hdmi_context *hdata = arg; 1932 1933 mutex_lock(&hdata->hdmi_mutex); 1934 hdata->hpd = gpio_get_value(hdata->hpd_gpio); 1935 mutex_unlock(&hdata->hdmi_mutex); 1936 1937 if (hdata->drm_dev) 1938 drm_helper_hpd_irq_event(hdata->drm_dev); 1939 1940 return IRQ_HANDLED; 1941 } 1942 1943 static int hdmi_resources_init(struct hdmi_context *hdata) 1944 { 1945 struct device *dev = hdata->dev; 1946 struct hdmi_resources *res = &hdata->res; 1947 static char *supply[] = { 1948 "hdmi-en", 1949 "vdd", 1950 "vdd_osc", 1951 "vdd_pll", 1952 }; 1953 int i, ret; 1954 1955 DRM_DEBUG_KMS("HDMI resource init\n"); 1956 1957 memset(res, 0, sizeof(*res)); 1958 1959 /* get clocks, power */ 1960 res->hdmi = devm_clk_get(dev, "hdmi"); 1961 if (IS_ERR(res->hdmi)) { 1962 DRM_ERROR("failed to get clock 'hdmi'\n"); 1963 goto fail; 1964 } 1965 res->sclk_hdmi = devm_clk_get(dev, "sclk_hdmi"); 1966 if (IS_ERR(res->sclk_hdmi)) { 1967 DRM_ERROR("failed to get clock 'sclk_hdmi'\n"); 1968 goto fail; 1969 } 1970 res->sclk_pixel = devm_clk_get(dev, "sclk_pixel"); 1971 if (IS_ERR(res->sclk_pixel)) { 1972 DRM_ERROR("failed to get clock 'sclk_pixel'\n"); 1973 goto fail; 1974 } 1975 res->sclk_hdmiphy = devm_clk_get(dev, "sclk_hdmiphy"); 1976 if (IS_ERR(res->sclk_hdmiphy)) { 1977 DRM_ERROR("failed to get clock 'sclk_hdmiphy'\n"); 1978 goto fail; 1979 } 1980 res->hdmiphy = devm_clk_get(dev, "hdmiphy"); 1981 if (IS_ERR(res->hdmiphy)) { 1982 DRM_ERROR("failed to get clock 'hdmiphy'\n"); 1983 goto fail; 1984 } 1985 res->mout_hdmi = devm_clk_get(dev, "mout_hdmi"); 1986 if (IS_ERR(res->mout_hdmi)) { 1987 DRM_ERROR("failed to get clock 'mout_hdmi'\n"); 1988 goto fail; 1989 } 1990 1991 clk_set_parent(res->mout_hdmi, res->sclk_pixel); 1992 1993 res->regul_bulk = devm_kzalloc(dev, ARRAY_SIZE(supply) * 1994 sizeof(res->regul_bulk[0]), GFP_KERNEL); 1995 if (!res->regul_bulk) 1996 goto fail; 1997 for (i = 0; i < ARRAY_SIZE(supply); ++i) { 1998 res->regul_bulk[i].supply = supply[i]; 1999 res->regul_bulk[i].consumer = NULL; 2000 } 2001 ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(supply), res->regul_bulk); 2002 if (ret) { 2003 DRM_ERROR("failed to get regulators\n"); 2004 goto fail; 2005 } 2006 res->regul_count = ARRAY_SIZE(supply); 2007 2008 return 0; 2009 fail: 2010 DRM_ERROR("HDMI resource init - failed\n"); 2011 return -ENODEV; 2012 } 2013 2014 static struct s5p_hdmi_platform_data *drm_hdmi_dt_parse_pdata 2015 (struct device *dev) 2016 { 2017 struct device_node *np = dev->of_node; 2018 struct s5p_hdmi_platform_data *pd; 2019 u32 value; 2020 2021 pd = devm_kzalloc(dev, sizeof(*pd), GFP_KERNEL); 2022 if (!pd) 2023 goto err_data; 2024 2025 if (!of_find_property(np, "hpd-gpio", &value)) { 2026 DRM_ERROR("no hpd gpio property found\n"); 2027 goto err_data; 2028 } 2029 2030 pd->hpd_gpio = of_get_named_gpio(np, "hpd-gpio", 0); 2031 2032 return pd; 2033 2034 err_data: 2035 return NULL; 2036 } 2037 2038 static struct of_device_id hdmi_match_types[] = { 2039 { 2040 .compatible = "samsung,exynos5-hdmi", 2041 .data = &exynos5_hdmi_driver_data, 2042 }, { 2043 .compatible = "samsung,exynos4212-hdmi", 2044 .data = &exynos4212_hdmi_driver_data, 2045 }, { 2046 /* end node */ 2047 } 2048 }; 2049 2050 static int hdmi_probe(struct platform_device *pdev) 2051 { 2052 struct device *dev = &pdev->dev; 2053 struct hdmi_context *hdata; 2054 struct s5p_hdmi_platform_data *pdata; 2055 struct resource *res; 2056 const struct of_device_id *match; 2057 struct device_node *ddc_node, *phy_node; 2058 struct hdmi_driver_data *drv_data; 2059 int ret; 2060 2061 if (!dev->of_node) 2062 return -ENODEV; 2063 2064 pdata = drm_hdmi_dt_parse_pdata(dev); 2065 if (!pdata) 2066 return -EINVAL; 2067 2068 hdata = devm_kzalloc(dev, sizeof(struct hdmi_context), GFP_KERNEL); 2069 if (!hdata) 2070 return -ENOMEM; 2071 2072 mutex_init(&hdata->hdmi_mutex); 2073 2074 platform_set_drvdata(pdev, &hdmi_display); 2075 2076 match = of_match_node(hdmi_match_types, dev->of_node); 2077 if (!match) 2078 return -ENODEV; 2079 2080 drv_data = (struct hdmi_driver_data *)match->data; 2081 hdata->type = drv_data->type; 2082 2083 hdata->hpd_gpio = pdata->hpd_gpio; 2084 hdata->dev = dev; 2085 2086 ret = hdmi_resources_init(hdata); 2087 if (ret) { 2088 DRM_ERROR("hdmi_resources_init failed\n"); 2089 return -EINVAL; 2090 } 2091 2092 res = platform_get_resource(pdev, IORESOURCE_MEM, 0); 2093 hdata->regs = devm_ioremap_resource(dev, res); 2094 if (IS_ERR(hdata->regs)) 2095 return PTR_ERR(hdata->regs); 2096 2097 ret = devm_gpio_request(dev, hdata->hpd_gpio, "HPD"); 2098 if (ret) { 2099 DRM_ERROR("failed to request HPD gpio\n"); 2100 return ret; 2101 } 2102 2103 /* DDC i2c driver */ 2104 ddc_node = of_parse_phandle(dev->of_node, "ddc", 0); 2105 if (!ddc_node) { 2106 DRM_ERROR("Failed to find ddc node in device tree\n"); 2107 return -ENODEV; 2108 } 2109 hdata->ddc_adpt = of_find_i2c_adapter_by_node(ddc_node); 2110 if (!hdata->ddc_adpt) { 2111 DRM_ERROR("Failed to get ddc i2c adapter by node\n"); 2112 return -ENODEV; 2113 } 2114 2115 /* Not support APB PHY yet. */ 2116 if (drv_data->is_apb_phy) 2117 return -EPERM; 2118 2119 /* hdmiphy i2c driver */ 2120 phy_node = of_parse_phandle(dev->of_node, "phy", 0); 2121 if (!phy_node) { 2122 DRM_ERROR("Failed to find hdmiphy node in device tree\n"); 2123 ret = -ENODEV; 2124 goto err_ddc; 2125 } 2126 hdata->hdmiphy_port = of_find_i2c_device_by_node(phy_node); 2127 if (!hdata->hdmiphy_port) { 2128 DRM_ERROR("Failed to get hdmi phy i2c client from node\n"); 2129 ret = -ENODEV; 2130 goto err_ddc; 2131 } 2132 2133 hdata->irq = gpio_to_irq(hdata->hpd_gpio); 2134 if (hdata->irq < 0) { 2135 DRM_ERROR("failed to get GPIO irq\n"); 2136 ret = hdata->irq; 2137 goto err_hdmiphy; 2138 } 2139 2140 hdata->hpd = gpio_get_value(hdata->hpd_gpio); 2141 2142 ret = devm_request_threaded_irq(dev, hdata->irq, NULL, 2143 hdmi_irq_thread, IRQF_TRIGGER_RISING | 2144 IRQF_TRIGGER_FALLING | IRQF_ONESHOT, 2145 "hdmi", hdata); 2146 if (ret) { 2147 DRM_ERROR("failed to register hdmi interrupt\n"); 2148 goto err_hdmiphy; 2149 } 2150 2151 pm_runtime_enable(dev); 2152 2153 hdmi_display.ctx = hdata; 2154 exynos_drm_display_register(&hdmi_display); 2155 2156 return 0; 2157 2158 err_hdmiphy: 2159 put_device(&hdata->hdmiphy_port->dev); 2160 err_ddc: 2161 put_device(&hdata->ddc_adpt->dev); 2162 return ret; 2163 } 2164 2165 static int hdmi_remove(struct platform_device *pdev) 2166 { 2167 struct device *dev = &pdev->dev; 2168 struct exynos_drm_display *display = get_hdmi_display(dev); 2169 struct hdmi_context *hdata = display->ctx; 2170 2171 put_device(&hdata->hdmiphy_port->dev); 2172 put_device(&hdata->ddc_adpt->dev); 2173 pm_runtime_disable(&pdev->dev); 2174 2175 return 0; 2176 } 2177 2178 struct platform_driver hdmi_driver = { 2179 .probe = hdmi_probe, 2180 .remove = hdmi_remove, 2181 .driver = { 2182 .name = "exynos-hdmi", 2183 .owner = THIS_MODULE, 2184 .of_match_table = hdmi_match_types, 2185 }, 2186 }; 2187