1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * Copyright (C) 2011 Samsung Electronics Co.Ltd 4 * Authors: 5 * Seung-Woo Kim <sw0312.kim@samsung.com> 6 * Inki Dae <inki.dae@samsung.com> 7 * Joonyoung Shim <jy0922.shim@samsung.com> 8 * 9 * Based on drivers/media/video/s5p-tv/hdmi_drv.c 10 */ 11 12 #include <drm/exynos_drm.h> 13 #include <linux/clk.h> 14 #include <linux/component.h> 15 #include <linux/delay.h> 16 #include <linux/gpio/consumer.h> 17 #include <linux/hdmi.h> 18 #include <linux/i2c.h> 19 #include <linux/interrupt.h> 20 #include <linux/io.h> 21 #include <linux/irq.h> 22 #include <linux/kernel.h> 23 #include <linux/mfd/syscon.h> 24 #include <linux/of.h> 25 #include <linux/of_address.h> 26 #include <linux/of_graph.h> 27 #include <linux/platform_device.h> 28 #include <linux/pm_runtime.h> 29 #include <linux/regmap.h> 30 #include <linux/regulator/consumer.h> 31 #include <linux/wait.h> 32 33 #include <sound/hdmi-codec.h> 34 #include <media/cec-notifier.h> 35 36 #include <drm/drm_atomic_helper.h> 37 #include <drm/drm_bridge.h> 38 #include <drm/drm_edid.h> 39 #include <drm/drm_print.h> 40 #include <drm/drm_probe_helper.h> 41 #include <drm/drm_simple_kms_helper.h> 42 43 #include "exynos_drm_crtc.h" 44 #include "regs-hdmi.h" 45 46 #define HOTPLUG_DEBOUNCE_MS 1100 47 48 enum hdmi_type { 49 HDMI_TYPE13, 50 HDMI_TYPE14, 51 HDMI_TYPE_COUNT 52 }; 53 54 #define HDMI_MAPPED_BASE 0xffff0000 55 56 enum hdmi_mapped_regs { 57 HDMI_PHY_STATUS = HDMI_MAPPED_BASE, 58 HDMI_PHY_RSTOUT, 59 HDMI_ACR_CON, 60 HDMI_ACR_MCTS0, 61 HDMI_ACR_CTS0, 62 HDMI_ACR_N0 63 }; 64 65 static const u32 hdmi_reg_map[][HDMI_TYPE_COUNT] = { 66 { HDMI_V13_PHY_STATUS, HDMI_PHY_STATUS_0 }, 67 { HDMI_V13_PHY_RSTOUT, HDMI_V14_PHY_RSTOUT }, 68 { HDMI_V13_ACR_CON, HDMI_V14_ACR_CON }, 69 { HDMI_V13_ACR_MCTS0, HDMI_V14_ACR_MCTS0 }, 70 { HDMI_V13_ACR_CTS0, HDMI_V14_ACR_CTS0 }, 71 { HDMI_V13_ACR_N0, HDMI_V14_ACR_N0 }, 72 }; 73 74 static const char * const supply[] = { 75 "vdd", 76 "vdd_osc", 77 "vdd_pll", 78 }; 79 80 struct hdmiphy_config { 81 int pixel_clock; 82 u8 conf[32]; 83 }; 84 85 struct hdmiphy_configs { 86 int count; 87 const struct hdmiphy_config *data; 88 }; 89 90 struct string_array_spec { 91 int count; 92 const char * const *data; 93 }; 94 95 #define INIT_ARRAY_SPEC(a) { .count = ARRAY_SIZE(a), .data = a } 96 97 struct hdmi_driver_data { 98 unsigned int type; 99 unsigned int is_apb_phy:1; 100 unsigned int has_sysreg:1; 101 struct hdmiphy_configs phy_confs; 102 struct string_array_spec clk_gates; 103 /* 104 * Array of triplets (p_off, p_on, clock), where p_off and p_on are 105 * required parents of clock when HDMI-PHY is respectively off or on. 106 */ 107 struct string_array_spec clk_muxes; 108 }; 109 110 struct hdmi_audio { 111 struct platform_device *pdev; 112 struct hdmi_audio_infoframe infoframe; 113 struct hdmi_codec_params params; 114 bool mute; 115 }; 116 117 struct hdmi_context { 118 struct drm_encoder encoder; 119 struct device *dev; 120 struct drm_device *drm_dev; 121 struct drm_connector connector; 122 bool dvi_mode; 123 struct delayed_work hotplug_work; 124 struct cec_notifier *notifier; 125 const struct hdmi_driver_data *drv_data; 126 127 void __iomem *regs; 128 void __iomem *regs_hdmiphy; 129 struct i2c_client *hdmiphy_port; 130 struct i2c_adapter *ddc_adpt; 131 struct gpio_desc *hpd_gpio; 132 int irq; 133 struct regmap *pmureg; 134 struct regmap *sysreg; 135 struct clk **clk_gates; 136 struct clk **clk_muxes; 137 struct regulator_bulk_data regul_bulk[ARRAY_SIZE(supply)]; 138 struct regulator *reg_hdmi_en; 139 struct exynos_drm_clk phy_clk; 140 struct drm_bridge *bridge; 141 142 /* mutex protecting subsequent fields below */ 143 struct mutex mutex; 144 struct hdmi_audio audio; 145 bool powered; 146 }; 147 148 static inline struct hdmi_context *encoder_to_hdmi(struct drm_encoder *e) 149 { 150 return container_of(e, struct hdmi_context, encoder); 151 } 152 153 static inline struct hdmi_context *connector_to_hdmi(struct drm_connector *c) 154 { 155 return container_of(c, struct hdmi_context, connector); 156 } 157 158 static const struct hdmiphy_config hdmiphy_v13_configs[] = { 159 { 160 .pixel_clock = 27000000, 161 .conf = { 162 0x01, 0x05, 0x00, 0xD8, 0x10, 0x1C, 0x30, 0x40, 163 0x6B, 0x10, 0x02, 0x51, 0xDF, 0xF2, 0x54, 0x87, 164 0x84, 0x00, 0x30, 0x38, 0x00, 0x08, 0x10, 0xE0, 165 0x22, 0x40, 0xE3, 0x26, 0x00, 0x00, 0x00, 0x80, 166 }, 167 }, 168 { 169 .pixel_clock = 27027000, 170 .conf = { 171 0x01, 0x05, 0x00, 0xD4, 0x10, 0x9C, 0x09, 0x64, 172 0x6B, 0x10, 0x02, 0x51, 0xDF, 0xF2, 0x54, 0x87, 173 0x84, 0x00, 0x30, 0x38, 0x00, 0x08, 0x10, 0xE0, 174 0x22, 0x40, 0xE3, 0x26, 0x00, 0x00, 0x00, 0x80, 175 }, 176 }, 177 { 178 .pixel_clock = 74176000, 179 .conf = { 180 0x01, 0x05, 0x00, 0xD8, 0x10, 0x9C, 0xef, 0x5B, 181 0x6D, 0x10, 0x01, 0x51, 0xef, 0xF3, 0x54, 0xb9, 182 0x84, 0x00, 0x30, 0x38, 0x00, 0x08, 0x10, 0xE0, 183 0x22, 0x40, 0xa5, 0x26, 0x01, 0x00, 0x00, 0x80, 184 }, 185 }, 186 { 187 .pixel_clock = 74250000, 188 .conf = { 189 0x01, 0x05, 0x00, 0xd8, 0x10, 0x9c, 0xf8, 0x40, 190 0x6a, 0x10, 0x01, 0x51, 0xff, 0xf1, 0x54, 0xba, 191 0x84, 0x00, 0x10, 0x38, 0x00, 0x08, 0x10, 0xe0, 192 0x22, 0x40, 0xa4, 0x26, 0x01, 0x00, 0x00, 0x80, 193 }, 194 }, 195 { 196 .pixel_clock = 148500000, 197 .conf = { 198 0x01, 0x05, 0x00, 0xD8, 0x10, 0x9C, 0xf8, 0x40, 199 0x6A, 0x18, 0x00, 0x51, 0xff, 0xF1, 0x54, 0xba, 200 0x84, 0x00, 0x10, 0x38, 0x00, 0x08, 0x10, 0xE0, 201 0x22, 0x40, 0xa4, 0x26, 0x02, 0x00, 0x00, 0x80, 202 }, 203 }, 204 }; 205 206 static const struct hdmiphy_config hdmiphy_v14_configs[] = { 207 { 208 .pixel_clock = 25200000, 209 .conf = { 210 0x01, 0x51, 0x2A, 0x75, 0x40, 0x01, 0x00, 0x08, 211 0x82, 0x80, 0xfc, 0xd8, 0x45, 0xa0, 0xac, 0x80, 212 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86, 213 0x54, 0xf4, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80, 214 }, 215 }, 216 { 217 .pixel_clock = 27000000, 218 .conf = { 219 0x01, 0xd1, 0x22, 0x51, 0x40, 0x08, 0xfc, 0x20, 220 0x98, 0xa0, 0xcb, 0xd8, 0x45, 0xa0, 0xac, 0x80, 221 0x06, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86, 222 0x54, 0xe4, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80, 223 }, 224 }, 225 { 226 .pixel_clock = 27027000, 227 .conf = { 228 0x01, 0xd1, 0x2d, 0x72, 0x40, 0x64, 0x12, 0x08, 229 0x43, 0xa0, 0x0e, 0xd9, 0x45, 0xa0, 0xac, 0x80, 230 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86, 231 0x54, 0xe3, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80, 232 }, 233 }, 234 { 235 .pixel_clock = 36000000, 236 .conf = { 237 0x01, 0x51, 0x2d, 0x55, 0x40, 0x01, 0x00, 0x08, 238 0x82, 0x80, 0x0e, 0xd9, 0x45, 0xa0, 0xac, 0x80, 239 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86, 240 0x54, 0xab, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80, 241 }, 242 }, 243 { 244 .pixel_clock = 40000000, 245 .conf = { 246 0x01, 0x51, 0x32, 0x55, 0x40, 0x01, 0x00, 0x08, 247 0x82, 0x80, 0x2c, 0xd9, 0x45, 0xa0, 0xac, 0x80, 248 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86, 249 0x54, 0x9a, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80, 250 }, 251 }, 252 { 253 .pixel_clock = 65000000, 254 .conf = { 255 0x01, 0xd1, 0x36, 0x34, 0x40, 0x1e, 0x0a, 0x08, 256 0x82, 0xa0, 0x45, 0xd9, 0x45, 0xa0, 0xac, 0x80, 257 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86, 258 0x54, 0xbd, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80, 259 }, 260 }, 261 { 262 .pixel_clock = 71000000, 263 .conf = { 264 0x01, 0xd1, 0x3b, 0x35, 0x40, 0x0c, 0x04, 0x08, 265 0x85, 0xa0, 0x63, 0xd9, 0x45, 0xa0, 0xac, 0x80, 266 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86, 267 0x54, 0xad, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80, 268 }, 269 }, 270 { 271 .pixel_clock = 73250000, 272 .conf = { 273 0x01, 0xd1, 0x3d, 0x35, 0x40, 0x18, 0x02, 0x08, 274 0x83, 0xa0, 0x6e, 0xd9, 0x45, 0xa0, 0xac, 0x80, 275 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86, 276 0x54, 0xa8, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80, 277 }, 278 }, 279 { 280 .pixel_clock = 74176000, 281 .conf = { 282 0x01, 0xd1, 0x3e, 0x35, 0x40, 0x5b, 0xde, 0x08, 283 0x82, 0xa0, 0x73, 0xd9, 0x45, 0xa0, 0xac, 0x80, 284 0x56, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86, 285 0x54, 0xa6, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80, 286 }, 287 }, 288 { 289 .pixel_clock = 74250000, 290 .conf = { 291 0x01, 0xd1, 0x1f, 0x10, 0x40, 0x40, 0xf8, 0x08, 292 0x81, 0xa0, 0xba, 0xd8, 0x45, 0xa0, 0xac, 0x80, 293 0x3c, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86, 294 0x54, 0xa5, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80, 295 }, 296 }, 297 { 298 .pixel_clock = 83500000, 299 .conf = { 300 0x01, 0xd1, 0x23, 0x11, 0x40, 0x0c, 0xfb, 0x08, 301 0x85, 0xa0, 0xd1, 0xd8, 0x45, 0xa0, 0xac, 0x80, 302 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86, 303 0x54, 0x93, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80, 304 }, 305 }, 306 { 307 .pixel_clock = 85500000, 308 .conf = { 309 0x01, 0xd1, 0x24, 0x11, 0x40, 0x40, 0xd0, 0x08, 310 0x84, 0xa0, 0xd6, 0xd8, 0x45, 0xa0, 0xac, 0x80, 311 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86, 312 0x54, 0x90, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80, 313 }, 314 }, 315 { 316 .pixel_clock = 106500000, 317 .conf = { 318 0x01, 0xd1, 0x2c, 0x12, 0x40, 0x0c, 0x09, 0x08, 319 0x84, 0xa0, 0x0a, 0xd9, 0x45, 0xa0, 0xac, 0x80, 320 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86, 321 0x54, 0x73, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80, 322 }, 323 }, 324 { 325 .pixel_clock = 108000000, 326 .conf = { 327 0x01, 0x51, 0x2d, 0x15, 0x40, 0x01, 0x00, 0x08, 328 0x82, 0x80, 0x0e, 0xd9, 0x45, 0xa0, 0xac, 0x80, 329 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86, 330 0x54, 0xc7, 0x25, 0x03, 0x00, 0x00, 0x01, 0x80, 331 }, 332 }, 333 { 334 .pixel_clock = 115500000, 335 .conf = { 336 0x01, 0xd1, 0x30, 0x12, 0x40, 0x40, 0x10, 0x08, 337 0x80, 0x80, 0x21, 0xd9, 0x45, 0xa0, 0xac, 0x80, 338 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86, 339 0x54, 0xaa, 0x25, 0x03, 0x00, 0x00, 0x01, 0x80, 340 }, 341 }, 342 { 343 .pixel_clock = 119000000, 344 .conf = { 345 0x01, 0xd1, 0x32, 0x1a, 0x40, 0x30, 0xd8, 0x08, 346 0x04, 0xa0, 0x2a, 0xd9, 0x45, 0xa0, 0xac, 0x80, 347 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86, 348 0x54, 0x9d, 0x25, 0x03, 0x00, 0x00, 0x01, 0x80, 349 }, 350 }, 351 { 352 .pixel_clock = 146250000, 353 .conf = { 354 0x01, 0xd1, 0x3d, 0x15, 0x40, 0x18, 0xfd, 0x08, 355 0x83, 0xa0, 0x6e, 0xd9, 0x45, 0xa0, 0xac, 0x80, 356 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86, 357 0x54, 0x50, 0x25, 0x03, 0x00, 0x00, 0x01, 0x80, 358 }, 359 }, 360 { 361 .pixel_clock = 148500000, 362 .conf = { 363 0x01, 0xd1, 0x1f, 0x00, 0x40, 0x40, 0xf8, 0x08, 364 0x81, 0xa0, 0xba, 0xd8, 0x45, 0xa0, 0xac, 0x80, 365 0x3c, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86, 366 0x54, 0x4b, 0x25, 0x03, 0x00, 0x00, 0x01, 0x80, 367 }, 368 }, 369 }; 370 371 static const struct hdmiphy_config hdmiphy_5420_configs[] = { 372 { 373 .pixel_clock = 25200000, 374 .conf = { 375 0x01, 0x52, 0x3F, 0x55, 0x40, 0x01, 0x00, 0xC8, 376 0x82, 0xC8, 0xBD, 0xD8, 0x45, 0xA0, 0xAC, 0x80, 377 0x06, 0x80, 0x01, 0x84, 0x05, 0x02, 0x24, 0x66, 378 0x54, 0xF4, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80, 379 }, 380 }, 381 { 382 .pixel_clock = 27000000, 383 .conf = { 384 0x01, 0xD1, 0x22, 0x51, 0x40, 0x08, 0xFC, 0xE0, 385 0x98, 0xE8, 0xCB, 0xD8, 0x45, 0xA0, 0xAC, 0x80, 386 0x06, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66, 387 0x54, 0xE4, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80, 388 }, 389 }, 390 { 391 .pixel_clock = 27027000, 392 .conf = { 393 0x01, 0xD1, 0x2D, 0x72, 0x40, 0x64, 0x12, 0xC8, 394 0x43, 0xE8, 0x0E, 0xD9, 0x45, 0xA0, 0xAC, 0x80, 395 0x26, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66, 396 0x54, 0xE3, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80, 397 }, 398 }, 399 { 400 .pixel_clock = 36000000, 401 .conf = { 402 0x01, 0x51, 0x2D, 0x55, 0x40, 0x40, 0x00, 0xC8, 403 0x02, 0xC8, 0x0E, 0xD9, 0x45, 0xA0, 0xAC, 0x80, 404 0x08, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66, 405 0x54, 0xAB, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80, 406 }, 407 }, 408 { 409 .pixel_clock = 40000000, 410 .conf = { 411 0x01, 0xD1, 0x21, 0x31, 0x40, 0x3C, 0x28, 0xC8, 412 0x87, 0xE8, 0xC8, 0xD8, 0x45, 0xA0, 0xAC, 0x80, 413 0x08, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66, 414 0x54, 0x9A, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80, 415 }, 416 }, 417 { 418 .pixel_clock = 65000000, 419 .conf = { 420 0x01, 0xD1, 0x36, 0x34, 0x40, 0x0C, 0x04, 0xC8, 421 0x82, 0xE8, 0x45, 0xD9, 0x45, 0xA0, 0xAC, 0x80, 422 0x08, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66, 423 0x54, 0xBD, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80, 424 }, 425 }, 426 { 427 .pixel_clock = 71000000, 428 .conf = { 429 0x01, 0xD1, 0x3B, 0x35, 0x40, 0x0C, 0x04, 0xC8, 430 0x85, 0xE8, 0x63, 0xD9, 0x45, 0xA0, 0xAC, 0x80, 431 0x08, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66, 432 0x54, 0x57, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80, 433 }, 434 }, 435 { 436 .pixel_clock = 73250000, 437 .conf = { 438 0x01, 0xD1, 0x1F, 0x10, 0x40, 0x78, 0x8D, 0xC8, 439 0x81, 0xE8, 0xB7, 0xD8, 0x45, 0xA0, 0xAC, 0x80, 440 0x56, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66, 441 0x54, 0xA8, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80, 442 }, 443 }, 444 { 445 .pixel_clock = 74176000, 446 .conf = { 447 0x01, 0xD1, 0x1F, 0x10, 0x40, 0x5B, 0xEF, 0xC8, 448 0x81, 0xE8, 0xB9, 0xD8, 0x45, 0xA0, 0xAC, 0x80, 449 0x56, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66, 450 0x54, 0xA6, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80, 451 }, 452 }, 453 { 454 .pixel_clock = 74250000, 455 .conf = { 456 0x01, 0xD1, 0x1F, 0x10, 0x40, 0x40, 0xF8, 0x08, 457 0x81, 0xE8, 0xBA, 0xD8, 0x45, 0xA0, 0xAC, 0x80, 458 0x26, 0x80, 0x09, 0x84, 0x05, 0x22, 0x24, 0x66, 459 0x54, 0xA5, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80, 460 }, 461 }, 462 { 463 .pixel_clock = 83500000, 464 .conf = { 465 0x01, 0xD1, 0x23, 0x11, 0x40, 0x0C, 0xFB, 0xC8, 466 0x85, 0xE8, 0xD1, 0xD8, 0x45, 0xA0, 0xAC, 0x80, 467 0x08, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66, 468 0x54, 0x4A, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80, 469 }, 470 }, 471 { 472 .pixel_clock = 88750000, 473 .conf = { 474 0x01, 0xD1, 0x25, 0x11, 0x40, 0x18, 0xFF, 0xC8, 475 0x83, 0xE8, 0xDE, 0xD8, 0x45, 0xA0, 0xAC, 0x80, 476 0x08, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66, 477 0x54, 0x45, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80, 478 }, 479 }, 480 { 481 .pixel_clock = 106500000, 482 .conf = { 483 0x01, 0xD1, 0x2C, 0x12, 0x40, 0x0C, 0x09, 0xC8, 484 0x84, 0xE8, 0x0A, 0xD9, 0x45, 0xA0, 0xAC, 0x80, 485 0x08, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66, 486 0x54, 0x73, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80, 487 }, 488 }, 489 { 490 .pixel_clock = 108000000, 491 .conf = { 492 0x01, 0x51, 0x2D, 0x15, 0x40, 0x01, 0x00, 0xC8, 493 0x82, 0xC8, 0x0E, 0xD9, 0x45, 0xA0, 0xAC, 0x80, 494 0x08, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66, 495 0x54, 0xC7, 0x25, 0x03, 0x00, 0x00, 0x01, 0x80, 496 }, 497 }, 498 { 499 .pixel_clock = 115500000, 500 .conf = { 501 0x01, 0xD1, 0x30, 0x14, 0x40, 0x0C, 0x03, 0xC8, 502 0x88, 0xE8, 0x21, 0xD9, 0x45, 0xA0, 0xAC, 0x80, 503 0x08, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66, 504 0x54, 0x6A, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80, 505 }, 506 }, 507 { 508 .pixel_clock = 146250000, 509 .conf = { 510 0x01, 0xD1, 0x3D, 0x15, 0x40, 0x18, 0xFD, 0xC8, 511 0x83, 0xE8, 0x6E, 0xD9, 0x45, 0xA0, 0xAC, 0x80, 512 0x08, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66, 513 0x54, 0x54, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80, 514 }, 515 }, 516 { 517 .pixel_clock = 148500000, 518 .conf = { 519 0x01, 0xD1, 0x1F, 0x00, 0x40, 0x40, 0xF8, 0x08, 520 0x81, 0xE8, 0xBA, 0xD8, 0x45, 0xA0, 0xAC, 0x80, 521 0x26, 0x80, 0x09, 0x84, 0x05, 0x22, 0x24, 0x66, 522 0x54, 0x4B, 0x25, 0x03, 0x00, 0x80, 0x01, 0x80, 523 }, 524 }, 525 { 526 .pixel_clock = 154000000, 527 .conf = { 528 0x01, 0xD1, 0x20, 0x01, 0x40, 0x30, 0x08, 0xCC, 529 0x8C, 0xE8, 0xC1, 0xD8, 0x45, 0xA0, 0xAC, 0x80, 530 0x08, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x86, 531 0x54, 0x3F, 0x25, 0x03, 0x00, 0x00, 0x01, 0x80, 532 }, 533 }, 534 }; 535 536 static const struct hdmiphy_config hdmiphy_5433_configs[] = { 537 { 538 .pixel_clock = 27000000, 539 .conf = { 540 0x01, 0x51, 0x2d, 0x75, 0x01, 0x00, 0x88, 0x02, 541 0x72, 0x50, 0x44, 0x8c, 0x27, 0x00, 0x7c, 0xac, 542 0xd6, 0x2b, 0x67, 0x00, 0x00, 0x04, 0x00, 0x30, 543 0x08, 0x10, 0x01, 0x01, 0x48, 0x40, 0x00, 0x40, 544 }, 545 }, 546 { 547 .pixel_clock = 27027000, 548 .conf = { 549 0x01, 0x51, 0x2d, 0x72, 0x64, 0x09, 0x88, 0xc3, 550 0x71, 0x50, 0x44, 0x8c, 0x27, 0x00, 0x7c, 0xac, 551 0xd6, 0x2b, 0x67, 0x00, 0x00, 0x04, 0x00, 0x30, 552 0x08, 0x10, 0x01, 0x01, 0x48, 0x40, 0x00, 0x40, 553 }, 554 }, 555 { 556 .pixel_clock = 40000000, 557 .conf = { 558 0x01, 0x51, 0x32, 0x55, 0x01, 0x00, 0x88, 0x02, 559 0x4d, 0x50, 0x44, 0x8C, 0x27, 0x00, 0x7C, 0xAC, 560 0xD6, 0x2B, 0x67, 0x00, 0x00, 0x04, 0x00, 0x30, 561 0x08, 0x10, 0x01, 0x01, 0x48, 0x40, 0x00, 0x40, 562 }, 563 }, 564 { 565 .pixel_clock = 50000000, 566 .conf = { 567 0x01, 0x51, 0x34, 0x40, 0x64, 0x09, 0x88, 0xc3, 568 0x3d, 0x50, 0x44, 0x8C, 0x27, 0x00, 0x7C, 0xAC, 569 0xD6, 0x2B, 0x67, 0x00, 0x00, 0x04, 0x00, 0x30, 570 0x08, 0x10, 0x01, 0x01, 0x48, 0x40, 0x00, 0x40, 571 }, 572 }, 573 { 574 .pixel_clock = 65000000, 575 .conf = { 576 0x01, 0x51, 0x36, 0x31, 0x40, 0x10, 0x04, 0xc6, 577 0x2e, 0xe8, 0x44, 0x8C, 0x27, 0x00, 0x7C, 0xAC, 578 0xD6, 0x2B, 0x67, 0x00, 0x00, 0x04, 0x00, 0x30, 579 0x08, 0x10, 0x01, 0x01, 0x48, 0x40, 0x00, 0x40, 580 }, 581 }, 582 { 583 .pixel_clock = 74176000, 584 .conf = { 585 0x01, 0x51, 0x3E, 0x35, 0x5B, 0xDE, 0x88, 0x42, 586 0x53, 0x51, 0x44, 0x8C, 0x27, 0x00, 0x7C, 0xAC, 587 0xD6, 0x2B, 0x67, 0x00, 0x00, 0x04, 0x00, 0x30, 588 0x08, 0x10, 0x01, 0x01, 0x48, 0x40, 0x00, 0x40, 589 }, 590 }, 591 { 592 .pixel_clock = 74250000, 593 .conf = { 594 0x01, 0x51, 0x3E, 0x35, 0x40, 0xF0, 0x88, 0xC2, 595 0x52, 0x51, 0x44, 0x8C, 0x27, 0x00, 0x7C, 0xAC, 596 0xD6, 0x2B, 0x67, 0x00, 0x00, 0x04, 0x00, 0x30, 597 0x08, 0x10, 0x01, 0x01, 0x48, 0x40, 0x00, 0x40, 598 }, 599 }, 600 { 601 .pixel_clock = 108000000, 602 .conf = { 603 0x01, 0x51, 0x2d, 0x15, 0x01, 0x00, 0x88, 0x02, 604 0x72, 0x52, 0x44, 0x8C, 0x27, 0x00, 0x7C, 0xAC, 605 0xD6, 0x2B, 0x67, 0x00, 0x00, 0x04, 0x00, 0x30, 606 0x08, 0x10, 0x01, 0x01, 0x48, 0x40, 0x00, 0x40, 607 }, 608 }, 609 { 610 .pixel_clock = 148500000, 611 .conf = { 612 0x01, 0x51, 0x1f, 0x00, 0x40, 0xf8, 0x88, 0xc1, 613 0x52, 0x52, 0x24, 0x0c, 0x24, 0x0f, 0x7c, 0xa5, 614 0xd4, 0x2b, 0x87, 0x00, 0x00, 0x04, 0x00, 0x30, 615 0x08, 0x10, 0x01, 0x01, 0x48, 0x4a, 0x00, 0x40, 616 }, 617 }, 618 { 619 .pixel_clock = 297000000, 620 .conf = { 621 0x01, 0x51, 0x3E, 0x05, 0x40, 0xF0, 0x88, 0xC2, 622 0x52, 0x53, 0x44, 0x8C, 0x27, 0x00, 0x7C, 0xAC, 623 0xD6, 0x2B, 0x67, 0x00, 0x00, 0x04, 0x00, 0x30, 624 0x08, 0x10, 0x01, 0x01, 0x48, 0x40, 0x00, 0x40, 625 }, 626 }, 627 }; 628 629 static const char * const hdmi_clk_gates4[] = { 630 "hdmi", "sclk_hdmi" 631 }; 632 633 static const char * const hdmi_clk_muxes4[] = { 634 "sclk_pixel", "sclk_hdmiphy", "mout_hdmi" 635 }; 636 637 static const char * const hdmi_clk_gates5433[] = { 638 "hdmi_pclk", "hdmi_i_pclk", "i_tmds_clk", "i_pixel_clk", "i_spdif_clk" 639 }; 640 641 static const char * const hdmi_clk_muxes5433[] = { 642 "oscclk", "tmds_clko", "tmds_clko_user", 643 "oscclk", "pixel_clko", "pixel_clko_user" 644 }; 645 646 static const struct hdmi_driver_data exynos4210_hdmi_driver_data = { 647 .type = HDMI_TYPE13, 648 .phy_confs = INIT_ARRAY_SPEC(hdmiphy_v13_configs), 649 .clk_gates = INIT_ARRAY_SPEC(hdmi_clk_gates4), 650 .clk_muxes = INIT_ARRAY_SPEC(hdmi_clk_muxes4), 651 }; 652 653 static const struct hdmi_driver_data exynos4212_hdmi_driver_data = { 654 .type = HDMI_TYPE14, 655 .phy_confs = INIT_ARRAY_SPEC(hdmiphy_v14_configs), 656 .clk_gates = INIT_ARRAY_SPEC(hdmi_clk_gates4), 657 .clk_muxes = INIT_ARRAY_SPEC(hdmi_clk_muxes4), 658 }; 659 660 static const struct hdmi_driver_data exynos5420_hdmi_driver_data = { 661 .type = HDMI_TYPE14, 662 .is_apb_phy = 1, 663 .phy_confs = INIT_ARRAY_SPEC(hdmiphy_5420_configs), 664 .clk_gates = INIT_ARRAY_SPEC(hdmi_clk_gates4), 665 .clk_muxes = INIT_ARRAY_SPEC(hdmi_clk_muxes4), 666 }; 667 668 static const struct hdmi_driver_data exynos5433_hdmi_driver_data = { 669 .type = HDMI_TYPE14, 670 .is_apb_phy = 1, 671 .has_sysreg = 1, 672 .phy_confs = INIT_ARRAY_SPEC(hdmiphy_5433_configs), 673 .clk_gates = INIT_ARRAY_SPEC(hdmi_clk_gates5433), 674 .clk_muxes = INIT_ARRAY_SPEC(hdmi_clk_muxes5433), 675 }; 676 677 static inline u32 hdmi_map_reg(struct hdmi_context *hdata, u32 reg_id) 678 { 679 if ((reg_id & 0xffff0000) == HDMI_MAPPED_BASE) 680 return hdmi_reg_map[reg_id & 0xffff][hdata->drv_data->type]; 681 return reg_id; 682 } 683 684 static inline u32 hdmi_reg_read(struct hdmi_context *hdata, u32 reg_id) 685 { 686 return readl(hdata->regs + hdmi_map_reg(hdata, reg_id)); 687 } 688 689 static inline void hdmi_reg_writeb(struct hdmi_context *hdata, 690 u32 reg_id, u8 value) 691 { 692 writel(value, hdata->regs + hdmi_map_reg(hdata, reg_id)); 693 } 694 695 static inline void hdmi_reg_writev(struct hdmi_context *hdata, u32 reg_id, 696 int bytes, u32 val) 697 { 698 reg_id = hdmi_map_reg(hdata, reg_id); 699 700 while (--bytes >= 0) { 701 writel(val & 0xff, hdata->regs + reg_id); 702 val >>= 8; 703 reg_id += 4; 704 } 705 } 706 707 static inline void hdmi_reg_write_buf(struct hdmi_context *hdata, u32 reg_id, 708 u8 *buf, int size) 709 { 710 for (reg_id = hdmi_map_reg(hdata, reg_id); size; --size, reg_id += 4) 711 writel(*buf++, hdata->regs + reg_id); 712 } 713 714 static inline void hdmi_reg_writemask(struct hdmi_context *hdata, 715 u32 reg_id, u32 value, u32 mask) 716 { 717 u32 old; 718 719 reg_id = hdmi_map_reg(hdata, reg_id); 720 old = readl(hdata->regs + reg_id); 721 value = (value & mask) | (old & ~mask); 722 writel(value, hdata->regs + reg_id); 723 } 724 725 static int hdmiphy_reg_write_buf(struct hdmi_context *hdata, 726 u32 reg_offset, const u8 *buf, u32 len) 727 { 728 if ((reg_offset + len) > 32) 729 return -EINVAL; 730 731 if (hdata->hdmiphy_port) { 732 int ret; 733 734 ret = i2c_master_send(hdata->hdmiphy_port, buf, len); 735 if (ret == len) 736 return 0; 737 return ret; 738 } else { 739 int i; 740 for (i = 0; i < len; i++) 741 writel(buf[i], hdata->regs_hdmiphy + 742 ((reg_offset + i)<<2)); 743 return 0; 744 } 745 } 746 747 static int hdmi_clk_enable_gates(struct hdmi_context *hdata) 748 { 749 int i, ret; 750 751 for (i = 0; i < hdata->drv_data->clk_gates.count; ++i) { 752 ret = clk_prepare_enable(hdata->clk_gates[i]); 753 if (!ret) 754 continue; 755 756 dev_err(hdata->dev, "Cannot enable clock '%s', %d\n", 757 hdata->drv_data->clk_gates.data[i], ret); 758 while (i--) 759 clk_disable_unprepare(hdata->clk_gates[i]); 760 return ret; 761 } 762 763 return 0; 764 } 765 766 static void hdmi_clk_disable_gates(struct hdmi_context *hdata) 767 { 768 int i = hdata->drv_data->clk_gates.count; 769 770 while (i--) 771 clk_disable_unprepare(hdata->clk_gates[i]); 772 } 773 774 static int hdmi_clk_set_parents(struct hdmi_context *hdata, bool to_phy) 775 { 776 struct device *dev = hdata->dev; 777 int ret = 0; 778 int i; 779 780 for (i = 0; i < hdata->drv_data->clk_muxes.count; i += 3) { 781 struct clk **c = &hdata->clk_muxes[i]; 782 783 ret = clk_set_parent(c[2], c[to_phy]); 784 if (!ret) 785 continue; 786 787 dev_err(dev, "Cannot set clock parent of '%s' to '%s', %d\n", 788 hdata->drv_data->clk_muxes.data[i + 2], 789 hdata->drv_data->clk_muxes.data[i + to_phy], ret); 790 } 791 792 return ret; 793 } 794 795 static int hdmi_audio_infoframe_apply(struct hdmi_context *hdata) 796 { 797 struct hdmi_audio_infoframe *infoframe = &hdata->audio.infoframe; 798 u8 buf[HDMI_INFOFRAME_SIZE(AUDIO)]; 799 int len; 800 801 len = hdmi_audio_infoframe_pack(infoframe, buf, sizeof(buf)); 802 if (len < 0) 803 return len; 804 805 hdmi_reg_writeb(hdata, HDMI_AUI_CON, HDMI_AUI_CON_EVERY_VSYNC); 806 hdmi_reg_write_buf(hdata, HDMI_AUI_HEADER0, buf, len); 807 808 return 0; 809 } 810 811 static void hdmi_reg_infoframes(struct hdmi_context *hdata) 812 { 813 struct drm_display_mode *m = &hdata->encoder.crtc->state->mode; 814 union hdmi_infoframe frm; 815 u8 buf[25]; 816 int ret; 817 818 if (hdata->dvi_mode) { 819 hdmi_reg_writeb(hdata, HDMI_AVI_CON, 820 HDMI_AVI_CON_DO_NOT_TRANSMIT); 821 hdmi_reg_writeb(hdata, HDMI_VSI_CON, 822 HDMI_VSI_CON_DO_NOT_TRANSMIT); 823 hdmi_reg_writeb(hdata, HDMI_AUI_CON, HDMI_AUI_CON_NO_TRAN); 824 return; 825 } 826 827 ret = drm_hdmi_avi_infoframe_from_display_mode(&frm.avi, 828 &hdata->connector, m); 829 if (!ret) 830 ret = hdmi_avi_infoframe_pack(&frm.avi, buf, sizeof(buf)); 831 if (ret > 0) { 832 hdmi_reg_writeb(hdata, HDMI_AVI_CON, HDMI_AVI_CON_EVERY_VSYNC); 833 hdmi_reg_write_buf(hdata, HDMI_AVI_HEADER0, buf, ret); 834 } else { 835 DRM_INFO("%s: invalid AVI infoframe (%d)\n", __func__, ret); 836 } 837 838 ret = drm_hdmi_vendor_infoframe_from_display_mode(&frm.vendor.hdmi, 839 &hdata->connector, m); 840 if (!ret) 841 ret = hdmi_vendor_infoframe_pack(&frm.vendor.hdmi, buf, 842 sizeof(buf)); 843 if (ret > 0) { 844 hdmi_reg_writeb(hdata, HDMI_VSI_CON, HDMI_VSI_CON_EVERY_VSYNC); 845 hdmi_reg_write_buf(hdata, HDMI_VSI_HEADER0, buf, 3); 846 hdmi_reg_write_buf(hdata, HDMI_VSI_DATA(0), buf + 3, ret - 3); 847 } 848 849 hdmi_audio_infoframe_apply(hdata); 850 } 851 852 static enum drm_connector_status hdmi_detect(struct drm_connector *connector, 853 bool force) 854 { 855 struct hdmi_context *hdata = connector_to_hdmi(connector); 856 857 if (gpiod_get_value(hdata->hpd_gpio)) 858 return connector_status_connected; 859 860 cec_notifier_set_phys_addr(hdata->notifier, CEC_PHYS_ADDR_INVALID); 861 return connector_status_disconnected; 862 } 863 864 static void hdmi_connector_destroy(struct drm_connector *connector) 865 { 866 struct hdmi_context *hdata = connector_to_hdmi(connector); 867 868 cec_notifier_conn_unregister(hdata->notifier); 869 870 drm_connector_unregister(connector); 871 drm_connector_cleanup(connector); 872 } 873 874 static const struct drm_connector_funcs hdmi_connector_funcs = { 875 .fill_modes = drm_helper_probe_single_connector_modes, 876 .detect = hdmi_detect, 877 .destroy = hdmi_connector_destroy, 878 .reset = drm_atomic_helper_connector_reset, 879 .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, 880 .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, 881 }; 882 883 static int hdmi_get_modes(struct drm_connector *connector) 884 { 885 struct hdmi_context *hdata = connector_to_hdmi(connector); 886 struct edid *edid; 887 int ret; 888 889 if (!hdata->ddc_adpt) 890 return 0; 891 892 edid = drm_get_edid(connector, hdata->ddc_adpt); 893 if (!edid) 894 return 0; 895 896 hdata->dvi_mode = !connector->display_info.is_hdmi; 897 DRM_DEV_DEBUG_KMS(hdata->dev, "%s : width[%d] x height[%d]\n", 898 (hdata->dvi_mode ? "dvi monitor" : "hdmi monitor"), 899 edid->width_cm, edid->height_cm); 900 901 drm_connector_update_edid_property(connector, edid); 902 cec_notifier_set_phys_addr_from_edid(hdata->notifier, edid); 903 904 ret = drm_add_edid_modes(connector, edid); 905 906 kfree(edid); 907 908 return ret; 909 } 910 911 static int hdmi_find_phy_conf(struct hdmi_context *hdata, u32 pixel_clock) 912 { 913 const struct hdmiphy_configs *confs = &hdata->drv_data->phy_confs; 914 int i; 915 916 for (i = 0; i < confs->count; i++) 917 if (confs->data[i].pixel_clock == pixel_clock) 918 return i; 919 920 DRM_DEV_DEBUG_KMS(hdata->dev, "Could not find phy config for %d\n", 921 pixel_clock); 922 return -EINVAL; 923 } 924 925 static enum drm_mode_status hdmi_mode_valid(struct drm_connector *connector, 926 struct drm_display_mode *mode) 927 { 928 struct hdmi_context *hdata = connector_to_hdmi(connector); 929 int ret; 930 931 DRM_DEV_DEBUG_KMS(hdata->dev, 932 "xres=%d, yres=%d, refresh=%d, intl=%d clock=%d\n", 933 mode->hdisplay, mode->vdisplay, 934 drm_mode_vrefresh(mode), 935 (mode->flags & DRM_MODE_FLAG_INTERLACE) ? true : 936 false, mode->clock * 1000); 937 938 ret = hdmi_find_phy_conf(hdata, mode->clock * 1000); 939 if (ret < 0) 940 return MODE_BAD; 941 942 return MODE_OK; 943 } 944 945 static const struct drm_connector_helper_funcs hdmi_connector_helper_funcs = { 946 .get_modes = hdmi_get_modes, 947 .mode_valid = hdmi_mode_valid, 948 }; 949 950 static int hdmi_create_connector(struct drm_encoder *encoder) 951 { 952 struct hdmi_context *hdata = encoder_to_hdmi(encoder); 953 struct drm_connector *connector = &hdata->connector; 954 struct cec_connector_info conn_info; 955 int ret; 956 957 connector->interlace_allowed = true; 958 connector->polled = DRM_CONNECTOR_POLL_HPD; 959 960 ret = drm_connector_init_with_ddc(hdata->drm_dev, connector, 961 &hdmi_connector_funcs, 962 DRM_MODE_CONNECTOR_HDMIA, 963 hdata->ddc_adpt); 964 if (ret) { 965 DRM_DEV_ERROR(hdata->dev, 966 "Failed to initialize connector with drm\n"); 967 return ret; 968 } 969 970 drm_connector_helper_add(connector, &hdmi_connector_helper_funcs); 971 drm_connector_attach_encoder(connector, encoder); 972 973 if (hdata->bridge) 974 ret = drm_bridge_attach(encoder, hdata->bridge, NULL, 0); 975 976 cec_fill_conn_info_from_drm(&conn_info, connector); 977 978 hdata->notifier = cec_notifier_conn_register(hdata->dev, NULL, 979 &conn_info); 980 if (!hdata->notifier) { 981 ret = -ENOMEM; 982 DRM_DEV_ERROR(hdata->dev, "Failed to allocate CEC notifier\n"); 983 } 984 985 return ret; 986 } 987 988 static bool hdmi_mode_fixup(struct drm_encoder *encoder, 989 const struct drm_display_mode *mode, 990 struct drm_display_mode *adjusted_mode) 991 { 992 struct drm_device *dev = encoder->dev; 993 struct drm_connector *connector; 994 struct drm_display_mode *m; 995 struct drm_connector_list_iter conn_iter; 996 int mode_ok; 997 998 drm_mode_set_crtcinfo(adjusted_mode, 0); 999 1000 drm_connector_list_iter_begin(dev, &conn_iter); 1001 drm_for_each_connector_iter(connector, &conn_iter) { 1002 if (connector->encoder == encoder) 1003 break; 1004 } 1005 if (connector) 1006 drm_connector_get(connector); 1007 drm_connector_list_iter_end(&conn_iter); 1008 1009 if (!connector) 1010 return true; 1011 1012 mode_ok = hdmi_mode_valid(connector, adjusted_mode); 1013 1014 if (mode_ok == MODE_OK) 1015 goto cleanup; 1016 1017 /* 1018 * Find the most suitable mode and copy it to adjusted_mode. 1019 */ 1020 list_for_each_entry(m, &connector->modes, head) { 1021 mode_ok = hdmi_mode_valid(connector, m); 1022 1023 if (mode_ok == MODE_OK) { 1024 DRM_INFO("desired mode doesn't exist so\n"); 1025 DRM_INFO("use the most suitable mode among modes.\n"); 1026 1027 DRM_DEV_DEBUG_KMS(dev->dev, 1028 "Adjusted Mode: [%d]x[%d] [%d]Hz\n", 1029 m->hdisplay, m->vdisplay, 1030 drm_mode_vrefresh(m)); 1031 1032 drm_mode_copy(adjusted_mode, m); 1033 break; 1034 } 1035 } 1036 1037 cleanup: 1038 drm_connector_put(connector); 1039 1040 return true; 1041 } 1042 1043 static void hdmi_reg_acr(struct hdmi_context *hdata, u32 freq) 1044 { 1045 u32 n, cts; 1046 1047 cts = (freq % 9) ? 27000 : 30000; 1048 n = 128 * freq / (27000000 / cts); 1049 1050 hdmi_reg_writev(hdata, HDMI_ACR_N0, 3, n); 1051 hdmi_reg_writev(hdata, HDMI_ACR_MCTS0, 3, cts); 1052 hdmi_reg_writev(hdata, HDMI_ACR_CTS0, 3, cts); 1053 hdmi_reg_writeb(hdata, HDMI_ACR_CON, 4); 1054 } 1055 1056 static void hdmi_audio_config(struct hdmi_context *hdata) 1057 { 1058 u32 bit_ch = 1; 1059 u32 data_num, val; 1060 int i; 1061 1062 switch (hdata->audio.params.sample_width) { 1063 case 20: 1064 data_num = 2; 1065 break; 1066 case 24: 1067 data_num = 3; 1068 break; 1069 default: 1070 data_num = 1; 1071 bit_ch = 0; 1072 break; 1073 } 1074 1075 hdmi_reg_acr(hdata, hdata->audio.params.sample_rate); 1076 1077 hdmi_reg_writeb(hdata, HDMI_I2S_MUX_CON, HDMI_I2S_IN_DISABLE 1078 | HDMI_I2S_AUD_I2S | HDMI_I2S_CUV_I2S_ENABLE 1079 | HDMI_I2S_MUX_ENABLE); 1080 1081 hdmi_reg_writeb(hdata, HDMI_I2S_MUX_CH, HDMI_I2S_CH0_EN 1082 | HDMI_I2S_CH1_EN | HDMI_I2S_CH2_EN); 1083 1084 hdmi_reg_writeb(hdata, HDMI_I2S_MUX_CUV, HDMI_I2S_CUV_RL_EN); 1085 hdmi_reg_writeb(hdata, HDMI_I2S_CLK_CON, HDMI_I2S_CLK_DIS); 1086 hdmi_reg_writeb(hdata, HDMI_I2S_CLK_CON, HDMI_I2S_CLK_EN); 1087 1088 val = hdmi_reg_read(hdata, HDMI_I2S_DSD_CON) | 0x01; 1089 hdmi_reg_writeb(hdata, HDMI_I2S_DSD_CON, val); 1090 1091 /* Configuration I2S input ports. Configure I2S_PIN_SEL_0~4 */ 1092 hdmi_reg_writeb(hdata, HDMI_I2S_PIN_SEL_0, HDMI_I2S_SEL_SCLK(5) 1093 | HDMI_I2S_SEL_LRCK(6)); 1094 1095 hdmi_reg_writeb(hdata, HDMI_I2S_PIN_SEL_1, HDMI_I2S_SEL_SDATA1(3) 1096 | HDMI_I2S_SEL_SDATA0(4)); 1097 1098 hdmi_reg_writeb(hdata, HDMI_I2S_PIN_SEL_2, HDMI_I2S_SEL_SDATA3(1) 1099 | HDMI_I2S_SEL_SDATA2(2)); 1100 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 /* Configuration of the audio channel status registers */ 1112 for (i = 0; i < HDMI_I2S_CH_ST_MAXNUM; i++) 1113 hdmi_reg_writeb(hdata, HDMI_I2S_CH_ST(i), 1114 hdata->audio.params.iec.status[i]); 1115 1116 hdmi_reg_writeb(hdata, HDMI_I2S_CH_ST_CON, HDMI_I2S_CH_STATUS_RELOAD); 1117 } 1118 1119 static void hdmi_audio_control(struct hdmi_context *hdata) 1120 { 1121 bool enable = !hdata->audio.mute; 1122 1123 if (hdata->dvi_mode) 1124 return; 1125 1126 hdmi_reg_writeb(hdata, HDMI_AUI_CON, enable ? 1127 HDMI_AVI_CON_EVERY_VSYNC : HDMI_AUI_CON_NO_TRAN); 1128 hdmi_reg_writemask(hdata, HDMI_CON_0, enable ? 1129 HDMI_ASP_EN : HDMI_ASP_DIS, HDMI_ASP_MASK); 1130 } 1131 1132 static void hdmi_start(struct hdmi_context *hdata, bool start) 1133 { 1134 struct drm_display_mode *m = &hdata->encoder.crtc->state->mode; 1135 u32 val = start ? HDMI_TG_EN : 0; 1136 1137 if (m->flags & DRM_MODE_FLAG_INTERLACE) 1138 val |= HDMI_FIELD_EN; 1139 1140 hdmi_reg_writemask(hdata, HDMI_CON_0, val, HDMI_EN); 1141 hdmi_reg_writemask(hdata, HDMI_TG_CMD, val, HDMI_TG_EN | HDMI_FIELD_EN); 1142 } 1143 1144 static void hdmi_conf_init(struct hdmi_context *hdata) 1145 { 1146 /* disable HPD interrupts from HDMI IP block, use GPIO instead */ 1147 hdmi_reg_writemask(hdata, HDMI_INTC_CON, 0, HDMI_INTC_EN_GLOBAL | 1148 HDMI_INTC_EN_HPD_PLUG | HDMI_INTC_EN_HPD_UNPLUG); 1149 1150 /* choose HDMI mode */ 1151 hdmi_reg_writemask(hdata, HDMI_MODE_SEL, 1152 HDMI_MODE_HDMI_EN, HDMI_MODE_MASK); 1153 /* apply video pre-amble and guard band in HDMI mode only */ 1154 hdmi_reg_writeb(hdata, HDMI_CON_2, 0); 1155 /* disable bluescreen */ 1156 hdmi_reg_writemask(hdata, HDMI_CON_0, 0, HDMI_BLUE_SCR_EN); 1157 1158 if (hdata->dvi_mode) { 1159 hdmi_reg_writemask(hdata, HDMI_MODE_SEL, 1160 HDMI_MODE_DVI_EN, HDMI_MODE_MASK); 1161 hdmi_reg_writeb(hdata, HDMI_CON_2, 1162 HDMI_VID_PREAMBLE_DIS | HDMI_GUARD_BAND_DIS); 1163 } 1164 1165 if (hdata->drv_data->type == HDMI_TYPE13) { 1166 /* choose bluescreen (fecal) color */ 1167 hdmi_reg_writeb(hdata, HDMI_V13_BLUE_SCREEN_0, 0x12); 1168 hdmi_reg_writeb(hdata, HDMI_V13_BLUE_SCREEN_1, 0x34); 1169 hdmi_reg_writeb(hdata, HDMI_V13_BLUE_SCREEN_2, 0x56); 1170 1171 /* enable AVI packet every vsync, fixes purple line problem */ 1172 hdmi_reg_writeb(hdata, HDMI_V13_AVI_CON, 0x02); 1173 /* force RGB, look to CEA-861-D, table 7 for more detail */ 1174 hdmi_reg_writeb(hdata, HDMI_V13_AVI_BYTE(0), 0 << 5); 1175 hdmi_reg_writemask(hdata, HDMI_CON_1, 0x10 << 5, 0x11 << 5); 1176 1177 hdmi_reg_writeb(hdata, HDMI_V13_SPD_CON, 0x02); 1178 hdmi_reg_writeb(hdata, HDMI_V13_AUI_CON, 0x02); 1179 hdmi_reg_writeb(hdata, HDMI_V13_ACR_CON, 0x04); 1180 } else { 1181 hdmi_reg_infoframes(hdata); 1182 1183 /* enable AVI packet every vsync, fixes purple line problem */ 1184 hdmi_reg_writemask(hdata, HDMI_CON_1, 2, 3 << 5); 1185 } 1186 } 1187 1188 static void hdmiphy_wait_for_pll(struct hdmi_context *hdata) 1189 { 1190 int tries; 1191 1192 for (tries = 0; tries < 10; ++tries) { 1193 u32 val = hdmi_reg_read(hdata, HDMI_PHY_STATUS); 1194 1195 if (val & HDMI_PHY_STATUS_READY) { 1196 DRM_DEV_DEBUG_KMS(hdata->dev, 1197 "PLL stabilized after %d tries\n", 1198 tries); 1199 return; 1200 } 1201 usleep_range(10, 20); 1202 } 1203 1204 DRM_DEV_ERROR(hdata->dev, "PLL could not reach steady state\n"); 1205 } 1206 1207 static void hdmi_v13_mode_apply(struct hdmi_context *hdata) 1208 { 1209 struct drm_display_mode *m = &hdata->encoder.crtc->state->mode; 1210 unsigned int val; 1211 1212 hdmi_reg_writev(hdata, HDMI_H_BLANK_0, 2, m->htotal - m->hdisplay); 1213 hdmi_reg_writev(hdata, HDMI_V13_H_V_LINE_0, 3, 1214 (m->htotal << 12) | m->vtotal); 1215 1216 val = (m->flags & DRM_MODE_FLAG_NVSYNC) ? 1 : 0; 1217 hdmi_reg_writev(hdata, HDMI_VSYNC_POL, 1, val); 1218 1219 val = (m->flags & DRM_MODE_FLAG_INTERLACE) ? 1 : 0; 1220 hdmi_reg_writev(hdata, HDMI_INT_PRO_MODE, 1, val); 1221 1222 val = (m->hsync_start - m->hdisplay - 2); 1223 val |= ((m->hsync_end - m->hdisplay - 2) << 10); 1224 val |= ((m->flags & DRM_MODE_FLAG_NHSYNC) ? 1 : 0)<<20; 1225 hdmi_reg_writev(hdata, HDMI_V13_H_SYNC_GEN_0, 3, val); 1226 1227 /* 1228 * Quirk requirement for exynos HDMI IP design, 1229 * 2 pixels less than the actual calculation for hsync_start 1230 * and end. 1231 */ 1232 1233 /* Following values & calculations differ for different type of modes */ 1234 if (m->flags & DRM_MODE_FLAG_INTERLACE) { 1235 val = ((m->vsync_end - m->vdisplay) / 2); 1236 val |= ((m->vsync_start - m->vdisplay) / 2) << 12; 1237 hdmi_reg_writev(hdata, HDMI_V13_V_SYNC_GEN_1_0, 3, val); 1238 1239 val = m->vtotal / 2; 1240 val |= ((m->vtotal - m->vdisplay) / 2) << 11; 1241 hdmi_reg_writev(hdata, HDMI_V13_V_BLANK_0, 3, val); 1242 1243 val = (m->vtotal + 1244 ((m->vsync_end - m->vsync_start) * 4) + 5) / 2; 1245 val |= m->vtotal << 11; 1246 hdmi_reg_writev(hdata, HDMI_V13_V_BLANK_F_0, 3, val); 1247 1248 val = ((m->vtotal / 2) + 7); 1249 val |= ((m->vtotal / 2) + 2) << 12; 1250 hdmi_reg_writev(hdata, HDMI_V13_V_SYNC_GEN_2_0, 3, val); 1251 1252 val = ((m->htotal / 2) + (m->hsync_start - m->hdisplay)); 1253 val |= ((m->htotal / 2) + 1254 (m->hsync_start - m->hdisplay)) << 12; 1255 hdmi_reg_writev(hdata, HDMI_V13_V_SYNC_GEN_3_0, 3, val); 1256 1257 hdmi_reg_writev(hdata, HDMI_TG_VACT_ST_L, 2, 1258 (m->vtotal - m->vdisplay) / 2); 1259 hdmi_reg_writev(hdata, HDMI_TG_VACT_SZ_L, 2, m->vdisplay / 2); 1260 1261 hdmi_reg_writev(hdata, HDMI_TG_VACT_ST2_L, 2, 0x249); 1262 } else { 1263 val = m->vtotal; 1264 val |= (m->vtotal - m->vdisplay) << 11; 1265 hdmi_reg_writev(hdata, HDMI_V13_V_BLANK_0, 3, val); 1266 1267 hdmi_reg_writev(hdata, HDMI_V13_V_BLANK_F_0, 3, 0); 1268 1269 val = (m->vsync_end - m->vdisplay); 1270 val |= ((m->vsync_start - m->vdisplay) << 12); 1271 hdmi_reg_writev(hdata, HDMI_V13_V_SYNC_GEN_1_0, 3, val); 1272 1273 hdmi_reg_writev(hdata, HDMI_V13_V_SYNC_GEN_2_0, 3, 0x1001); 1274 hdmi_reg_writev(hdata, HDMI_V13_V_SYNC_GEN_3_0, 3, 0x1001); 1275 hdmi_reg_writev(hdata, HDMI_TG_VACT_ST_L, 2, 1276 m->vtotal - m->vdisplay); 1277 hdmi_reg_writev(hdata, HDMI_TG_VACT_SZ_L, 2, m->vdisplay); 1278 } 1279 1280 hdmi_reg_writev(hdata, HDMI_TG_H_FSZ_L, 2, m->htotal); 1281 hdmi_reg_writev(hdata, HDMI_TG_HACT_ST_L, 2, m->htotal - m->hdisplay); 1282 hdmi_reg_writev(hdata, HDMI_TG_HACT_SZ_L, 2, m->hdisplay); 1283 hdmi_reg_writev(hdata, HDMI_TG_V_FSZ_L, 2, m->vtotal); 1284 } 1285 1286 static void hdmi_v14_mode_apply(struct hdmi_context *hdata) 1287 { 1288 struct drm_display_mode *m = &hdata->encoder.crtc->state->mode; 1289 struct drm_display_mode *am = 1290 &hdata->encoder.crtc->state->adjusted_mode; 1291 int hquirk = 0; 1292 1293 /* 1294 * In case video mode coming from CRTC differs from requested one HDMI 1295 * sometimes is able to almost properly perform conversion - only 1296 * first line is distorted. 1297 */ 1298 if ((m->vdisplay != am->vdisplay) && 1299 (m->hdisplay == 1280 || m->hdisplay == 1024 || m->hdisplay == 1366)) 1300 hquirk = 258; 1301 1302 hdmi_reg_writev(hdata, HDMI_H_BLANK_0, 2, m->htotal - m->hdisplay); 1303 hdmi_reg_writev(hdata, HDMI_V_LINE_0, 2, m->vtotal); 1304 hdmi_reg_writev(hdata, HDMI_H_LINE_0, 2, m->htotal); 1305 hdmi_reg_writev(hdata, HDMI_HSYNC_POL, 1, 1306 (m->flags & DRM_MODE_FLAG_NHSYNC) ? 1 : 0); 1307 hdmi_reg_writev(hdata, HDMI_VSYNC_POL, 1, 1308 (m->flags & DRM_MODE_FLAG_NVSYNC) ? 1 : 0); 1309 hdmi_reg_writev(hdata, HDMI_INT_PRO_MODE, 1, 1310 (m->flags & DRM_MODE_FLAG_INTERLACE) ? 1 : 0); 1311 1312 /* 1313 * Quirk requirement for exynos 5 HDMI IP design, 1314 * 2 pixels less than the actual calculation for hsync_start 1315 * and end. 1316 */ 1317 1318 /* Following values & calculations differ for different type of modes */ 1319 if (m->flags & DRM_MODE_FLAG_INTERLACE) { 1320 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_BEF_2_0, 2, 1321 (m->vsync_end - m->vdisplay) / 2); 1322 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_BEF_1_0, 2, 1323 (m->vsync_start - m->vdisplay) / 2); 1324 hdmi_reg_writev(hdata, HDMI_V2_BLANK_0, 2, m->vtotal / 2); 1325 hdmi_reg_writev(hdata, HDMI_V1_BLANK_0, 2, 1326 (m->vtotal - m->vdisplay) / 2); 1327 hdmi_reg_writev(hdata, HDMI_V_BLANK_F0_0, 2, 1328 m->vtotal - m->vdisplay / 2); 1329 hdmi_reg_writev(hdata, HDMI_V_BLANK_F1_0, 2, m->vtotal); 1330 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_2_0, 2, 1331 (m->vtotal / 2) + 7); 1332 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_1_0, 2, 1333 (m->vtotal / 2) + 2); 1334 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_PXL_2_0, 2, 1335 (m->htotal / 2) + (m->hsync_start - m->hdisplay)); 1336 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_PXL_1_0, 2, 1337 (m->htotal / 2) + (m->hsync_start - m->hdisplay)); 1338 hdmi_reg_writev(hdata, HDMI_TG_VACT_ST_L, 2, 1339 (m->vtotal - m->vdisplay) / 2); 1340 hdmi_reg_writev(hdata, HDMI_TG_VACT_SZ_L, 2, m->vdisplay / 2); 1341 hdmi_reg_writev(hdata, HDMI_TG_VACT_ST2_L, 2, 1342 m->vtotal - m->vdisplay / 2); 1343 hdmi_reg_writev(hdata, HDMI_TG_VSYNC2_L, 2, 1344 (m->vtotal / 2) + 1); 1345 hdmi_reg_writev(hdata, HDMI_TG_VSYNC_BOT_HDMI_L, 2, 1346 (m->vtotal / 2) + 1); 1347 hdmi_reg_writev(hdata, HDMI_TG_FIELD_BOT_HDMI_L, 2, 1348 (m->vtotal / 2) + 1); 1349 hdmi_reg_writev(hdata, HDMI_TG_VACT_ST3_L, 2, 0x0); 1350 hdmi_reg_writev(hdata, HDMI_TG_VACT_ST4_L, 2, 0x0); 1351 } else { 1352 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_BEF_2_0, 2, 1353 m->vsync_end - m->vdisplay); 1354 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_BEF_1_0, 2, 1355 m->vsync_start - m->vdisplay); 1356 hdmi_reg_writev(hdata, HDMI_V2_BLANK_0, 2, m->vtotal); 1357 hdmi_reg_writev(hdata, HDMI_V1_BLANK_0, 2, 1358 m->vtotal - m->vdisplay); 1359 hdmi_reg_writev(hdata, HDMI_V_BLANK_F0_0, 2, 0xffff); 1360 hdmi_reg_writev(hdata, HDMI_V_BLANK_F1_0, 2, 0xffff); 1361 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_2_0, 2, 0xffff); 1362 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_1_0, 2, 0xffff); 1363 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_PXL_2_0, 2, 0xffff); 1364 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_PXL_1_0, 2, 0xffff); 1365 hdmi_reg_writev(hdata, HDMI_TG_VACT_ST_L, 2, 1366 m->vtotal - m->vdisplay); 1367 hdmi_reg_writev(hdata, HDMI_TG_VACT_SZ_L, 2, m->vdisplay); 1368 } 1369 1370 hdmi_reg_writev(hdata, HDMI_H_SYNC_START_0, 2, 1371 m->hsync_start - m->hdisplay - 2); 1372 hdmi_reg_writev(hdata, HDMI_H_SYNC_END_0, 2, 1373 m->hsync_end - m->hdisplay - 2); 1374 hdmi_reg_writev(hdata, HDMI_VACT_SPACE_1_0, 2, 0xffff); 1375 hdmi_reg_writev(hdata, HDMI_VACT_SPACE_2_0, 2, 0xffff); 1376 hdmi_reg_writev(hdata, HDMI_VACT_SPACE_3_0, 2, 0xffff); 1377 hdmi_reg_writev(hdata, HDMI_VACT_SPACE_4_0, 2, 0xffff); 1378 hdmi_reg_writev(hdata, HDMI_VACT_SPACE_5_0, 2, 0xffff); 1379 hdmi_reg_writev(hdata, HDMI_VACT_SPACE_6_0, 2, 0xffff); 1380 hdmi_reg_writev(hdata, HDMI_V_BLANK_F2_0, 2, 0xffff); 1381 hdmi_reg_writev(hdata, HDMI_V_BLANK_F3_0, 2, 0xffff); 1382 hdmi_reg_writev(hdata, HDMI_V_BLANK_F4_0, 2, 0xffff); 1383 hdmi_reg_writev(hdata, HDMI_V_BLANK_F5_0, 2, 0xffff); 1384 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_3_0, 2, 0xffff); 1385 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_4_0, 2, 0xffff); 1386 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_5_0, 2, 0xffff); 1387 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_6_0, 2, 0xffff); 1388 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_PXL_3_0, 2, 0xffff); 1389 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_PXL_4_0, 2, 0xffff); 1390 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_PXL_5_0, 2, 0xffff); 1391 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_PXL_6_0, 2, 0xffff); 1392 1393 hdmi_reg_writev(hdata, HDMI_TG_H_FSZ_L, 2, m->htotal); 1394 hdmi_reg_writev(hdata, HDMI_TG_HACT_ST_L, 2, 1395 m->htotal - m->hdisplay - hquirk); 1396 hdmi_reg_writev(hdata, HDMI_TG_HACT_SZ_L, 2, m->hdisplay + hquirk); 1397 hdmi_reg_writev(hdata, HDMI_TG_V_FSZ_L, 2, m->vtotal); 1398 if (hdata->drv_data == &exynos5433_hdmi_driver_data) 1399 hdmi_reg_writeb(hdata, HDMI_TG_DECON_EN, 1); 1400 } 1401 1402 static void hdmi_mode_apply(struct hdmi_context *hdata) 1403 { 1404 if (hdata->drv_data->type == HDMI_TYPE13) 1405 hdmi_v13_mode_apply(hdata); 1406 else 1407 hdmi_v14_mode_apply(hdata); 1408 1409 hdmi_start(hdata, true); 1410 } 1411 1412 static void hdmiphy_conf_reset(struct hdmi_context *hdata) 1413 { 1414 hdmi_reg_writemask(hdata, HDMI_CORE_RSTOUT, 0, 1); 1415 usleep_range(10000, 12000); 1416 hdmi_reg_writemask(hdata, HDMI_CORE_RSTOUT, ~0, 1); 1417 usleep_range(10000, 12000); 1418 hdmi_reg_writemask(hdata, HDMI_PHY_RSTOUT, ~0, HDMI_PHY_SW_RSTOUT); 1419 usleep_range(10000, 12000); 1420 hdmi_reg_writemask(hdata, HDMI_PHY_RSTOUT, 0, HDMI_PHY_SW_RSTOUT); 1421 usleep_range(10000, 12000); 1422 } 1423 1424 static void hdmiphy_enable_mode_set(struct hdmi_context *hdata, bool enable) 1425 { 1426 u8 v = enable ? HDMI_PHY_ENABLE_MODE_SET : HDMI_PHY_DISABLE_MODE_SET; 1427 1428 if (hdata->drv_data == &exynos5433_hdmi_driver_data) 1429 writel(v, hdata->regs_hdmiphy + HDMIPHY5433_MODE_SET_DONE); 1430 } 1431 1432 static void hdmiphy_conf_apply(struct hdmi_context *hdata) 1433 { 1434 struct drm_display_mode *m = &hdata->encoder.crtc->state->mode; 1435 int ret; 1436 const u8 *phy_conf; 1437 1438 ret = hdmi_find_phy_conf(hdata, m->clock * 1000); 1439 if (ret < 0) { 1440 DRM_DEV_ERROR(hdata->dev, "failed to find hdmiphy conf\n"); 1441 return; 1442 } 1443 phy_conf = hdata->drv_data->phy_confs.data[ret].conf; 1444 1445 hdmi_clk_set_parents(hdata, false); 1446 1447 hdmiphy_conf_reset(hdata); 1448 1449 hdmiphy_enable_mode_set(hdata, true); 1450 ret = hdmiphy_reg_write_buf(hdata, 0, phy_conf, 32); 1451 if (ret) { 1452 DRM_DEV_ERROR(hdata->dev, "failed to configure hdmiphy\n"); 1453 return; 1454 } 1455 hdmiphy_enable_mode_set(hdata, false); 1456 hdmi_clk_set_parents(hdata, true); 1457 usleep_range(10000, 12000); 1458 hdmiphy_wait_for_pll(hdata); 1459 } 1460 1461 /* Should be called with hdata->mutex mutex held */ 1462 static void hdmi_conf_apply(struct hdmi_context *hdata) 1463 { 1464 hdmi_start(hdata, false); 1465 hdmi_conf_init(hdata); 1466 hdmi_audio_config(hdata); 1467 hdmi_mode_apply(hdata); 1468 hdmi_audio_control(hdata); 1469 } 1470 1471 static void hdmi_set_refclk(struct hdmi_context *hdata, bool on) 1472 { 1473 if (!hdata->sysreg) 1474 return; 1475 1476 regmap_update_bits(hdata->sysreg, EXYNOS5433_SYSREG_DISP_HDMI_PHY, 1477 SYSREG_HDMI_REFCLK_INT_CLK, on ? ~0 : 0); 1478 } 1479 1480 /* Should be called with hdata->mutex mutex held. */ 1481 static void hdmiphy_enable(struct hdmi_context *hdata) 1482 { 1483 int ret; 1484 1485 if (hdata->powered) 1486 return; 1487 1488 ret = pm_runtime_resume_and_get(hdata->dev); 1489 if (ret < 0) { 1490 dev_err(hdata->dev, "failed to enable HDMIPHY device.\n"); 1491 return; 1492 } 1493 1494 if (regulator_bulk_enable(ARRAY_SIZE(supply), hdata->regul_bulk)) 1495 DRM_DEV_DEBUG_KMS(hdata->dev, 1496 "failed to enable regulator bulk\n"); 1497 1498 regmap_update_bits(hdata->pmureg, PMU_HDMI_PHY_CONTROL, 1499 PMU_HDMI_PHY_ENABLE_BIT, 1); 1500 1501 hdmi_set_refclk(hdata, true); 1502 1503 hdmi_reg_writemask(hdata, HDMI_PHY_CON_0, 0, HDMI_PHY_POWER_OFF_EN); 1504 1505 hdmiphy_conf_apply(hdata); 1506 1507 hdata->powered = true; 1508 } 1509 1510 /* Should be called with hdata->mutex mutex held. */ 1511 static void hdmiphy_disable(struct hdmi_context *hdata) 1512 { 1513 if (!hdata->powered) 1514 return; 1515 1516 hdmi_reg_writemask(hdata, HDMI_CON_0, 0, HDMI_EN); 1517 1518 hdmi_reg_writemask(hdata, HDMI_PHY_CON_0, ~0, HDMI_PHY_POWER_OFF_EN); 1519 1520 hdmi_set_refclk(hdata, false); 1521 1522 regmap_update_bits(hdata->pmureg, PMU_HDMI_PHY_CONTROL, 1523 PMU_HDMI_PHY_ENABLE_BIT, 0); 1524 1525 regulator_bulk_disable(ARRAY_SIZE(supply), hdata->regul_bulk); 1526 1527 pm_runtime_put_sync(hdata->dev); 1528 1529 hdata->powered = false; 1530 } 1531 1532 static void hdmi_enable(struct drm_encoder *encoder) 1533 { 1534 struct hdmi_context *hdata = encoder_to_hdmi(encoder); 1535 1536 mutex_lock(&hdata->mutex); 1537 1538 hdmiphy_enable(hdata); 1539 hdmi_conf_apply(hdata); 1540 1541 mutex_unlock(&hdata->mutex); 1542 } 1543 1544 static void hdmi_disable(struct drm_encoder *encoder) 1545 { 1546 struct hdmi_context *hdata = encoder_to_hdmi(encoder); 1547 1548 mutex_lock(&hdata->mutex); 1549 1550 if (hdata->powered) { 1551 /* 1552 * The SFRs of VP and Mixer are updated by Vertical Sync of 1553 * Timing generator which is a part of HDMI so the sequence 1554 * to disable TV Subsystem should be as following, 1555 * VP -> Mixer -> HDMI 1556 * 1557 * To achieve such sequence HDMI is disabled together with 1558 * HDMI PHY, via pipe clock callback. 1559 */ 1560 mutex_unlock(&hdata->mutex); 1561 cancel_delayed_work(&hdata->hotplug_work); 1562 if (hdata->notifier) 1563 cec_notifier_phys_addr_invalidate(hdata->notifier); 1564 return; 1565 } 1566 1567 mutex_unlock(&hdata->mutex); 1568 } 1569 1570 static const struct drm_encoder_helper_funcs exynos_hdmi_encoder_helper_funcs = { 1571 .mode_fixup = hdmi_mode_fixup, 1572 .enable = hdmi_enable, 1573 .disable = hdmi_disable, 1574 }; 1575 1576 static void hdmi_audio_shutdown(struct device *dev, void *data) 1577 { 1578 struct hdmi_context *hdata = dev_get_drvdata(dev); 1579 1580 mutex_lock(&hdata->mutex); 1581 1582 hdata->audio.mute = true; 1583 1584 if (hdata->powered) 1585 hdmi_audio_control(hdata); 1586 1587 mutex_unlock(&hdata->mutex); 1588 } 1589 1590 static int hdmi_audio_hw_params(struct device *dev, void *data, 1591 struct hdmi_codec_daifmt *daifmt, 1592 struct hdmi_codec_params *params) 1593 { 1594 struct hdmi_context *hdata = dev_get_drvdata(dev); 1595 1596 if (daifmt->fmt != HDMI_I2S || daifmt->bit_clk_inv || 1597 daifmt->frame_clk_inv || daifmt->bit_clk_provider || 1598 daifmt->frame_clk_provider) { 1599 dev_err(dev, "%s: Bad flags %d %d %d %d\n", __func__, 1600 daifmt->bit_clk_inv, daifmt->frame_clk_inv, 1601 daifmt->bit_clk_provider, 1602 daifmt->frame_clk_provider); 1603 return -EINVAL; 1604 } 1605 1606 mutex_lock(&hdata->mutex); 1607 1608 hdata->audio.params = *params; 1609 1610 if (hdata->powered) { 1611 hdmi_audio_config(hdata); 1612 hdmi_audio_infoframe_apply(hdata); 1613 } 1614 1615 mutex_unlock(&hdata->mutex); 1616 1617 return 0; 1618 } 1619 1620 static int hdmi_audio_mute(struct device *dev, void *data, 1621 bool mute, int direction) 1622 { 1623 struct hdmi_context *hdata = dev_get_drvdata(dev); 1624 1625 mutex_lock(&hdata->mutex); 1626 1627 hdata->audio.mute = mute; 1628 1629 if (hdata->powered) 1630 hdmi_audio_control(hdata); 1631 1632 mutex_unlock(&hdata->mutex); 1633 1634 return 0; 1635 } 1636 1637 static int hdmi_audio_get_eld(struct device *dev, void *data, uint8_t *buf, 1638 size_t len) 1639 { 1640 struct hdmi_context *hdata = dev_get_drvdata(dev); 1641 struct drm_connector *connector = &hdata->connector; 1642 1643 memcpy(buf, connector->eld, min(sizeof(connector->eld), len)); 1644 1645 return 0; 1646 } 1647 1648 static const struct hdmi_codec_ops audio_codec_ops = { 1649 .hw_params = hdmi_audio_hw_params, 1650 .audio_shutdown = hdmi_audio_shutdown, 1651 .mute_stream = hdmi_audio_mute, 1652 .get_eld = hdmi_audio_get_eld, 1653 .no_capture_mute = 1, 1654 }; 1655 1656 static int hdmi_register_audio_device(struct hdmi_context *hdata) 1657 { 1658 struct hdmi_codec_pdata codec_data = { 1659 .ops = &audio_codec_ops, 1660 .max_i2s_channels = 6, 1661 .i2s = 1, 1662 }; 1663 1664 hdata->audio.pdev = platform_device_register_data( 1665 hdata->dev, HDMI_CODEC_DRV_NAME, PLATFORM_DEVID_AUTO, 1666 &codec_data, sizeof(codec_data)); 1667 1668 return PTR_ERR_OR_ZERO(hdata->audio.pdev); 1669 } 1670 1671 static void hdmi_hotplug_work_func(struct work_struct *work) 1672 { 1673 struct hdmi_context *hdata; 1674 1675 hdata = container_of(work, struct hdmi_context, hotplug_work.work); 1676 1677 if (hdata->drm_dev) 1678 drm_helper_hpd_irq_event(hdata->drm_dev); 1679 } 1680 1681 static irqreturn_t hdmi_irq_thread(int irq, void *arg) 1682 { 1683 struct hdmi_context *hdata = arg; 1684 1685 mod_delayed_work(system_wq, &hdata->hotplug_work, 1686 msecs_to_jiffies(HOTPLUG_DEBOUNCE_MS)); 1687 1688 return IRQ_HANDLED; 1689 } 1690 1691 static int hdmi_clks_get(struct hdmi_context *hdata, 1692 const struct string_array_spec *names, 1693 struct clk **clks) 1694 { 1695 struct device *dev = hdata->dev; 1696 int i; 1697 1698 for (i = 0; i < names->count; ++i) { 1699 struct clk *clk = devm_clk_get(dev, names->data[i]); 1700 1701 if (IS_ERR(clk)) { 1702 int ret = PTR_ERR(clk); 1703 1704 dev_err(dev, "Cannot get clock %s, %d\n", 1705 names->data[i], ret); 1706 1707 return ret; 1708 } 1709 1710 clks[i] = clk; 1711 } 1712 1713 return 0; 1714 } 1715 1716 static int hdmi_clk_init(struct hdmi_context *hdata) 1717 { 1718 const struct hdmi_driver_data *drv_data = hdata->drv_data; 1719 int count = drv_data->clk_gates.count + drv_data->clk_muxes.count; 1720 struct device *dev = hdata->dev; 1721 struct clk **clks; 1722 int ret; 1723 1724 if (!count) 1725 return 0; 1726 1727 clks = devm_kcalloc(dev, count, sizeof(*clks), GFP_KERNEL); 1728 if (!clks) 1729 return -ENOMEM; 1730 1731 hdata->clk_gates = clks; 1732 hdata->clk_muxes = clks + drv_data->clk_gates.count; 1733 1734 ret = hdmi_clks_get(hdata, &drv_data->clk_gates, hdata->clk_gates); 1735 if (ret) 1736 return ret; 1737 1738 return hdmi_clks_get(hdata, &drv_data->clk_muxes, hdata->clk_muxes); 1739 } 1740 1741 1742 static void hdmiphy_clk_enable(struct exynos_drm_clk *clk, bool enable) 1743 { 1744 struct hdmi_context *hdata = container_of(clk, struct hdmi_context, 1745 phy_clk); 1746 mutex_lock(&hdata->mutex); 1747 1748 if (enable) 1749 hdmiphy_enable(hdata); 1750 else 1751 hdmiphy_disable(hdata); 1752 1753 mutex_unlock(&hdata->mutex); 1754 } 1755 1756 static int hdmi_bridge_init(struct hdmi_context *hdata) 1757 { 1758 struct device *dev = hdata->dev; 1759 struct device_node *ep, *np; 1760 1761 ep = of_graph_get_endpoint_by_regs(dev->of_node, 1, -1); 1762 if (!ep) 1763 return 0; 1764 1765 np = of_graph_get_remote_port_parent(ep); 1766 of_node_put(ep); 1767 if (!np) { 1768 DRM_DEV_ERROR(dev, "failed to get remote port parent"); 1769 return -EINVAL; 1770 } 1771 1772 hdata->bridge = of_drm_find_bridge(np); 1773 of_node_put(np); 1774 1775 if (!hdata->bridge) 1776 return -EPROBE_DEFER; 1777 1778 return 0; 1779 } 1780 1781 static int hdmi_resources_init(struct hdmi_context *hdata) 1782 { 1783 struct device *dev = hdata->dev; 1784 int i, ret; 1785 1786 DRM_DEV_DEBUG_KMS(dev, "HDMI resource init\n"); 1787 1788 hdata->hpd_gpio = devm_gpiod_get(dev, "hpd", GPIOD_IN); 1789 if (IS_ERR(hdata->hpd_gpio)) { 1790 DRM_DEV_ERROR(dev, "cannot get hpd gpio property\n"); 1791 return PTR_ERR(hdata->hpd_gpio); 1792 } 1793 1794 hdata->irq = gpiod_to_irq(hdata->hpd_gpio); 1795 if (hdata->irq < 0) { 1796 DRM_DEV_ERROR(dev, "failed to get GPIO irq\n"); 1797 return hdata->irq; 1798 } 1799 1800 ret = hdmi_clk_init(hdata); 1801 if (ret) 1802 return ret; 1803 1804 ret = hdmi_clk_set_parents(hdata, false); 1805 if (ret) 1806 return ret; 1807 1808 for (i = 0; i < ARRAY_SIZE(supply); ++i) 1809 hdata->regul_bulk[i].supply = supply[i]; 1810 1811 ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(supply), hdata->regul_bulk); 1812 if (ret) 1813 return dev_err_probe(dev, ret, "failed to get regulators\n"); 1814 1815 hdata->reg_hdmi_en = devm_regulator_get_optional(dev, "hdmi-en"); 1816 1817 if (PTR_ERR(hdata->reg_hdmi_en) != -ENODEV) 1818 if (IS_ERR(hdata->reg_hdmi_en)) 1819 return PTR_ERR(hdata->reg_hdmi_en); 1820 1821 return hdmi_bridge_init(hdata); 1822 } 1823 1824 static const struct of_device_id hdmi_match_types[] = { 1825 { 1826 .compatible = "samsung,exynos4210-hdmi", 1827 .data = &exynos4210_hdmi_driver_data, 1828 }, { 1829 .compatible = "samsung,exynos4212-hdmi", 1830 .data = &exynos4212_hdmi_driver_data, 1831 }, { 1832 .compatible = "samsung,exynos5420-hdmi", 1833 .data = &exynos5420_hdmi_driver_data, 1834 }, { 1835 .compatible = "samsung,exynos5433-hdmi", 1836 .data = &exynos5433_hdmi_driver_data, 1837 }, { 1838 /* end node */ 1839 } 1840 }; 1841 MODULE_DEVICE_TABLE (of, hdmi_match_types); 1842 1843 static int hdmi_bind(struct device *dev, struct device *master, void *data) 1844 { 1845 struct drm_device *drm_dev = data; 1846 struct hdmi_context *hdata = dev_get_drvdata(dev); 1847 struct drm_encoder *encoder = &hdata->encoder; 1848 struct exynos_drm_crtc *crtc; 1849 int ret; 1850 1851 hdata->drm_dev = drm_dev; 1852 1853 hdata->phy_clk.enable = hdmiphy_clk_enable; 1854 1855 drm_simple_encoder_init(drm_dev, encoder, DRM_MODE_ENCODER_TMDS); 1856 1857 drm_encoder_helper_add(encoder, &exynos_hdmi_encoder_helper_funcs); 1858 1859 ret = exynos_drm_set_possible_crtcs(encoder, EXYNOS_DISPLAY_TYPE_HDMI); 1860 if (ret < 0) 1861 return ret; 1862 1863 crtc = exynos_drm_crtc_get_by_type(drm_dev, EXYNOS_DISPLAY_TYPE_HDMI); 1864 if (IS_ERR(crtc)) 1865 return PTR_ERR(crtc); 1866 crtc->pipe_clk = &hdata->phy_clk; 1867 1868 ret = hdmi_create_connector(encoder); 1869 if (ret) { 1870 DRM_DEV_ERROR(dev, "failed to create connector ret = %d\n", 1871 ret); 1872 drm_encoder_cleanup(encoder); 1873 return ret; 1874 } 1875 1876 return 0; 1877 } 1878 1879 static void hdmi_unbind(struct device *dev, struct device *master, void *data) 1880 { 1881 } 1882 1883 static const struct component_ops hdmi_component_ops = { 1884 .bind = hdmi_bind, 1885 .unbind = hdmi_unbind, 1886 }; 1887 1888 static int hdmi_get_ddc_adapter(struct hdmi_context *hdata) 1889 { 1890 const char *compatible_str = "samsung,exynos4210-hdmiddc"; 1891 struct device_node *np; 1892 struct i2c_adapter *adpt; 1893 1894 np = of_find_compatible_node(NULL, NULL, compatible_str); 1895 if (np) 1896 np = of_get_next_parent(np); 1897 else 1898 np = of_parse_phandle(hdata->dev->of_node, "ddc", 0); 1899 1900 if (!np) { 1901 DRM_DEV_ERROR(hdata->dev, 1902 "Failed to find ddc node in device tree\n"); 1903 return -ENODEV; 1904 } 1905 1906 adpt = of_find_i2c_adapter_by_node(np); 1907 of_node_put(np); 1908 1909 if (!adpt) { 1910 DRM_INFO("Failed to get ddc i2c adapter by node\n"); 1911 return -EPROBE_DEFER; 1912 } 1913 1914 hdata->ddc_adpt = adpt; 1915 1916 return 0; 1917 } 1918 1919 static int hdmi_get_phy_io(struct hdmi_context *hdata) 1920 { 1921 const char *compatible_str = "samsung,exynos4212-hdmiphy"; 1922 struct device_node *np; 1923 int ret = 0; 1924 1925 np = of_find_compatible_node(NULL, NULL, compatible_str); 1926 if (!np) { 1927 np = of_parse_phandle(hdata->dev->of_node, "phy", 0); 1928 if (!np) { 1929 DRM_DEV_ERROR(hdata->dev, 1930 "Failed to find hdmiphy node in device tree\n"); 1931 return -ENODEV; 1932 } 1933 } 1934 1935 if (hdata->drv_data->is_apb_phy) { 1936 hdata->regs_hdmiphy = of_iomap(np, 0); 1937 if (!hdata->regs_hdmiphy) { 1938 DRM_DEV_ERROR(hdata->dev, 1939 "failed to ioremap hdmi phy\n"); 1940 ret = -ENOMEM; 1941 goto out; 1942 } 1943 } else { 1944 hdata->hdmiphy_port = of_find_i2c_device_by_node(np); 1945 if (!hdata->hdmiphy_port) { 1946 DRM_INFO("Failed to get hdmi phy i2c client\n"); 1947 ret = -EPROBE_DEFER; 1948 goto out; 1949 } 1950 } 1951 1952 out: 1953 of_node_put(np); 1954 return ret; 1955 } 1956 1957 static int hdmi_probe(struct platform_device *pdev) 1958 { 1959 struct hdmi_audio_infoframe *audio_infoframe; 1960 struct device *dev = &pdev->dev; 1961 struct hdmi_context *hdata; 1962 int ret; 1963 1964 hdata = devm_kzalloc(dev, sizeof(struct hdmi_context), GFP_KERNEL); 1965 if (!hdata) 1966 return -ENOMEM; 1967 1968 hdata->drv_data = of_device_get_match_data(dev); 1969 1970 platform_set_drvdata(pdev, hdata); 1971 1972 hdata->dev = dev; 1973 1974 mutex_init(&hdata->mutex); 1975 1976 ret = hdmi_resources_init(hdata); 1977 if (ret) { 1978 if (ret != -EPROBE_DEFER) 1979 DRM_DEV_ERROR(dev, "hdmi_resources_init failed\n"); 1980 return ret; 1981 } 1982 1983 hdata->regs = devm_platform_ioremap_resource(pdev, 0); 1984 if (IS_ERR(hdata->regs)) { 1985 ret = PTR_ERR(hdata->regs); 1986 return ret; 1987 } 1988 1989 ret = hdmi_get_ddc_adapter(hdata); 1990 if (ret) 1991 return ret; 1992 1993 ret = hdmi_get_phy_io(hdata); 1994 if (ret) 1995 goto err_ddc; 1996 1997 INIT_DELAYED_WORK(&hdata->hotplug_work, hdmi_hotplug_work_func); 1998 1999 ret = devm_request_threaded_irq(dev, hdata->irq, NULL, 2000 hdmi_irq_thread, IRQF_TRIGGER_RISING | 2001 IRQF_TRIGGER_FALLING | IRQF_ONESHOT, 2002 "hdmi", hdata); 2003 if (ret) { 2004 DRM_DEV_ERROR(dev, "failed to register hdmi interrupt\n"); 2005 goto err_hdmiphy; 2006 } 2007 2008 hdata->pmureg = syscon_regmap_lookup_by_phandle(dev->of_node, 2009 "samsung,syscon-phandle"); 2010 if (IS_ERR(hdata->pmureg)) { 2011 DRM_DEV_ERROR(dev, "syscon regmap lookup failed.\n"); 2012 ret = -EPROBE_DEFER; 2013 goto err_hdmiphy; 2014 } 2015 2016 if (hdata->drv_data->has_sysreg) { 2017 hdata->sysreg = syscon_regmap_lookup_by_phandle(dev->of_node, 2018 "samsung,sysreg-phandle"); 2019 if (IS_ERR(hdata->sysreg)) { 2020 DRM_DEV_ERROR(dev, "sysreg regmap lookup failed.\n"); 2021 ret = -EPROBE_DEFER; 2022 goto err_hdmiphy; 2023 } 2024 } 2025 2026 if (!IS_ERR(hdata->reg_hdmi_en)) { 2027 ret = regulator_enable(hdata->reg_hdmi_en); 2028 if (ret) { 2029 DRM_DEV_ERROR(dev, 2030 "failed to enable hdmi-en regulator\n"); 2031 goto err_hdmiphy; 2032 } 2033 } 2034 2035 pm_runtime_enable(dev); 2036 2037 audio_infoframe = &hdata->audio.infoframe; 2038 hdmi_audio_infoframe_init(audio_infoframe); 2039 audio_infoframe->coding_type = HDMI_AUDIO_CODING_TYPE_STREAM; 2040 audio_infoframe->sample_size = HDMI_AUDIO_SAMPLE_SIZE_STREAM; 2041 audio_infoframe->sample_frequency = HDMI_AUDIO_SAMPLE_FREQUENCY_STREAM; 2042 audio_infoframe->channels = 2; 2043 2044 ret = hdmi_register_audio_device(hdata); 2045 if (ret) 2046 goto err_rpm_disable; 2047 2048 ret = component_add(&pdev->dev, &hdmi_component_ops); 2049 if (ret) 2050 goto err_unregister_audio; 2051 2052 return ret; 2053 2054 err_unregister_audio: 2055 platform_device_unregister(hdata->audio.pdev); 2056 2057 err_rpm_disable: 2058 pm_runtime_disable(dev); 2059 if (!IS_ERR(hdata->reg_hdmi_en)) 2060 regulator_disable(hdata->reg_hdmi_en); 2061 err_hdmiphy: 2062 if (hdata->hdmiphy_port) 2063 put_device(&hdata->hdmiphy_port->dev); 2064 if (hdata->regs_hdmiphy) 2065 iounmap(hdata->regs_hdmiphy); 2066 err_ddc: 2067 put_device(&hdata->ddc_adpt->dev); 2068 2069 return ret; 2070 } 2071 2072 static void hdmi_remove(struct platform_device *pdev) 2073 { 2074 struct hdmi_context *hdata = platform_get_drvdata(pdev); 2075 2076 cancel_delayed_work_sync(&hdata->hotplug_work); 2077 2078 component_del(&pdev->dev, &hdmi_component_ops); 2079 platform_device_unregister(hdata->audio.pdev); 2080 2081 pm_runtime_disable(&pdev->dev); 2082 2083 if (!IS_ERR(hdata->reg_hdmi_en)) 2084 regulator_disable(hdata->reg_hdmi_en); 2085 2086 if (hdata->hdmiphy_port) 2087 put_device(&hdata->hdmiphy_port->dev); 2088 2089 if (hdata->regs_hdmiphy) 2090 iounmap(hdata->regs_hdmiphy); 2091 2092 put_device(&hdata->ddc_adpt->dev); 2093 2094 mutex_destroy(&hdata->mutex); 2095 } 2096 2097 static int __maybe_unused exynos_hdmi_suspend(struct device *dev) 2098 { 2099 struct hdmi_context *hdata = dev_get_drvdata(dev); 2100 2101 hdmi_clk_disable_gates(hdata); 2102 2103 return 0; 2104 } 2105 2106 static int __maybe_unused exynos_hdmi_resume(struct device *dev) 2107 { 2108 struct hdmi_context *hdata = dev_get_drvdata(dev); 2109 int ret; 2110 2111 ret = hdmi_clk_enable_gates(hdata); 2112 if (ret < 0) 2113 return ret; 2114 2115 return 0; 2116 } 2117 2118 static const struct dev_pm_ops exynos_hdmi_pm_ops = { 2119 SET_RUNTIME_PM_OPS(exynos_hdmi_suspend, exynos_hdmi_resume, NULL) 2120 SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, 2121 pm_runtime_force_resume) 2122 }; 2123 2124 struct platform_driver hdmi_driver = { 2125 .probe = hdmi_probe, 2126 .remove_new = hdmi_remove, 2127 .driver = { 2128 .name = "exynos-hdmi", 2129 .owner = THIS_MODULE, 2130 .pm = &exynos_hdmi_pm_ops, 2131 .of_match_table = hdmi_match_types, 2132 }, 2133 }; 2134