1 /* 2 * Copyright (C) 2016 Texas Instruments 3 * Author: Tomi Valkeinen <tomi.valkeinen@ti.com> 4 * 5 * This program is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 as published by 7 * the Free Software Foundation. 8 * 9 * This program is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 12 * more details. 13 * 14 * You should have received a copy of the GNU General Public License along with 15 * this program. If not, see <http://www.gnu.org/licenses/>. 16 */ 17 18 #ifndef __OMAP_DRM_DSS_H 19 #define __OMAP_DRM_DSS_H 20 21 #include <linux/list.h> 22 #include <linux/kobject.h> 23 #include <linux/device.h> 24 #include <linux/interrupt.h> 25 #include <video/videomode.h> 26 #include <linux/platform_data/omapdss.h> 27 #include <uapi/drm/drm_mode.h> 28 #include <drm/drm_crtc.h> 29 30 #define DISPC_IRQ_FRAMEDONE (1 << 0) 31 #define DISPC_IRQ_VSYNC (1 << 1) 32 #define DISPC_IRQ_EVSYNC_EVEN (1 << 2) 33 #define DISPC_IRQ_EVSYNC_ODD (1 << 3) 34 #define DISPC_IRQ_ACBIAS_COUNT_STAT (1 << 4) 35 #define DISPC_IRQ_PROG_LINE_NUM (1 << 5) 36 #define DISPC_IRQ_GFX_FIFO_UNDERFLOW (1 << 6) 37 #define DISPC_IRQ_GFX_END_WIN (1 << 7) 38 #define DISPC_IRQ_PAL_GAMMA_MASK (1 << 8) 39 #define DISPC_IRQ_OCP_ERR (1 << 9) 40 #define DISPC_IRQ_VID1_FIFO_UNDERFLOW (1 << 10) 41 #define DISPC_IRQ_VID1_END_WIN (1 << 11) 42 #define DISPC_IRQ_VID2_FIFO_UNDERFLOW (1 << 12) 43 #define DISPC_IRQ_VID2_END_WIN (1 << 13) 44 #define DISPC_IRQ_SYNC_LOST (1 << 14) 45 #define DISPC_IRQ_SYNC_LOST_DIGIT (1 << 15) 46 #define DISPC_IRQ_WAKEUP (1 << 16) 47 #define DISPC_IRQ_SYNC_LOST2 (1 << 17) 48 #define DISPC_IRQ_VSYNC2 (1 << 18) 49 #define DISPC_IRQ_VID3_END_WIN (1 << 19) 50 #define DISPC_IRQ_VID3_FIFO_UNDERFLOW (1 << 20) 51 #define DISPC_IRQ_ACBIAS_COUNT_STAT2 (1 << 21) 52 #define DISPC_IRQ_FRAMEDONE2 (1 << 22) 53 #define DISPC_IRQ_FRAMEDONEWB (1 << 23) 54 #define DISPC_IRQ_FRAMEDONETV (1 << 24) 55 #define DISPC_IRQ_WBBUFFEROVERFLOW (1 << 25) 56 #define DISPC_IRQ_WBUNCOMPLETEERROR (1 << 26) 57 #define DISPC_IRQ_SYNC_LOST3 (1 << 27) 58 #define DISPC_IRQ_VSYNC3 (1 << 28) 59 #define DISPC_IRQ_ACBIAS_COUNT_STAT3 (1 << 29) 60 #define DISPC_IRQ_FRAMEDONE3 (1 << 30) 61 62 struct omap_dss_device; 63 struct dss_lcd_mgr_config; 64 struct snd_aes_iec958; 65 struct snd_cea_861_aud_if; 66 struct hdmi_avi_infoframe; 67 68 enum omap_display_type { 69 OMAP_DISPLAY_TYPE_NONE = 0, 70 OMAP_DISPLAY_TYPE_DPI = 1 << 0, 71 OMAP_DISPLAY_TYPE_DBI = 1 << 1, 72 OMAP_DISPLAY_TYPE_SDI = 1 << 2, 73 OMAP_DISPLAY_TYPE_DSI = 1 << 3, 74 OMAP_DISPLAY_TYPE_VENC = 1 << 4, 75 OMAP_DISPLAY_TYPE_HDMI = 1 << 5, 76 OMAP_DISPLAY_TYPE_DVI = 1 << 6, 77 }; 78 79 enum omap_plane_id { 80 OMAP_DSS_GFX = 0, 81 OMAP_DSS_VIDEO1 = 1, 82 OMAP_DSS_VIDEO2 = 2, 83 OMAP_DSS_VIDEO3 = 3, 84 OMAP_DSS_WB = 4, 85 }; 86 87 enum omap_channel { 88 OMAP_DSS_CHANNEL_LCD = 0, 89 OMAP_DSS_CHANNEL_DIGIT = 1, 90 OMAP_DSS_CHANNEL_LCD2 = 2, 91 OMAP_DSS_CHANNEL_LCD3 = 3, 92 OMAP_DSS_CHANNEL_WB = 4, 93 }; 94 95 enum omap_color_mode { 96 _UNUSED_, 97 }; 98 99 enum omap_dss_load_mode { 100 OMAP_DSS_LOAD_CLUT_AND_FRAME = 0, 101 OMAP_DSS_LOAD_CLUT_ONLY = 1, 102 OMAP_DSS_LOAD_FRAME_ONLY = 2, 103 OMAP_DSS_LOAD_CLUT_ONCE_FRAME = 3, 104 }; 105 106 enum omap_dss_trans_key_type { 107 OMAP_DSS_COLOR_KEY_GFX_DST = 0, 108 OMAP_DSS_COLOR_KEY_VID_SRC = 1, 109 }; 110 111 enum omap_dss_signal_level { 112 OMAPDSS_SIG_ACTIVE_LOW, 113 OMAPDSS_SIG_ACTIVE_HIGH, 114 }; 115 116 enum omap_dss_signal_edge { 117 OMAPDSS_DRIVE_SIG_FALLING_EDGE, 118 OMAPDSS_DRIVE_SIG_RISING_EDGE, 119 }; 120 121 enum omap_dss_venc_type { 122 OMAP_DSS_VENC_TYPE_COMPOSITE, 123 OMAP_DSS_VENC_TYPE_SVIDEO, 124 }; 125 126 enum omap_dss_dsi_pixel_format { 127 OMAP_DSS_DSI_FMT_RGB888, 128 OMAP_DSS_DSI_FMT_RGB666, 129 OMAP_DSS_DSI_FMT_RGB666_PACKED, 130 OMAP_DSS_DSI_FMT_RGB565, 131 }; 132 133 enum omap_dss_dsi_mode { 134 OMAP_DSS_DSI_CMD_MODE = 0, 135 OMAP_DSS_DSI_VIDEO_MODE, 136 }; 137 138 enum omap_display_caps { 139 OMAP_DSS_DISPLAY_CAP_MANUAL_UPDATE = 1 << 0, 140 OMAP_DSS_DISPLAY_CAP_TEAR_ELIM = 1 << 1, 141 }; 142 143 enum omap_dss_display_state { 144 OMAP_DSS_DISPLAY_DISABLED = 0, 145 OMAP_DSS_DISPLAY_ACTIVE, 146 }; 147 148 enum omap_dss_rotation_type { 149 OMAP_DSS_ROT_NONE = 0, 150 OMAP_DSS_ROT_TILER = 1 << 0, 151 }; 152 153 enum omap_overlay_caps { 154 OMAP_DSS_OVL_CAP_SCALE = 1 << 0, 155 OMAP_DSS_OVL_CAP_GLOBAL_ALPHA = 1 << 1, 156 OMAP_DSS_OVL_CAP_PRE_MULT_ALPHA = 1 << 2, 157 OMAP_DSS_OVL_CAP_ZORDER = 1 << 3, 158 OMAP_DSS_OVL_CAP_POS = 1 << 4, 159 OMAP_DSS_OVL_CAP_REPLICATION = 1 << 5, 160 }; 161 162 enum omap_dss_clk_source { 163 OMAP_DSS_CLK_SRC_FCK = 0, /* OMAP2/3: DSS1_ALWON_FCLK 164 * OMAP4: DSS_FCLK */ 165 OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DISPC, /* OMAP3: DSI1_PLL_FCLK 166 * OMAP4: PLL1_CLK1 */ 167 OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DSI, /* OMAP3: DSI2_PLL_FCLK 168 * OMAP4: PLL1_CLK2 */ 169 OMAP_DSS_CLK_SRC_DSI2_PLL_HSDIV_DISPC, /* OMAP4: PLL2_CLK1 */ 170 OMAP_DSS_CLK_SRC_DSI2_PLL_HSDIV_DSI, /* OMAP4: PLL2_CLK2 */ 171 }; 172 173 enum omap_hdmi_flags { 174 OMAP_HDMI_SDA_SCL_EXTERNAL_PULLUP = 1 << 0, 175 }; 176 177 enum omap_dss_output_id { 178 OMAP_DSS_OUTPUT_DPI = 1 << 0, 179 OMAP_DSS_OUTPUT_DBI = 1 << 1, 180 OMAP_DSS_OUTPUT_SDI = 1 << 2, 181 OMAP_DSS_OUTPUT_DSI1 = 1 << 3, 182 OMAP_DSS_OUTPUT_DSI2 = 1 << 4, 183 OMAP_DSS_OUTPUT_VENC = 1 << 5, 184 OMAP_DSS_OUTPUT_HDMI = 1 << 6, 185 }; 186 187 /* DSI */ 188 189 enum omap_dss_dsi_trans_mode { 190 /* Sync Pulses: both sync start and end packets sent */ 191 OMAP_DSS_DSI_PULSE_MODE, 192 /* Sync Events: only sync start packets sent */ 193 OMAP_DSS_DSI_EVENT_MODE, 194 /* Burst: only sync start packets sent, pixels are time compressed */ 195 OMAP_DSS_DSI_BURST_MODE, 196 }; 197 198 struct omap_dss_dsi_videomode_timings { 199 unsigned long hsclk; 200 201 unsigned ndl; 202 unsigned bitspp; 203 204 /* pixels */ 205 u16 hact; 206 /* lines */ 207 u16 vact; 208 209 /* DSI video mode blanking data */ 210 /* Unit: byte clock cycles */ 211 u16 hss; 212 u16 hsa; 213 u16 hse; 214 u16 hfp; 215 u16 hbp; 216 /* Unit: line clocks */ 217 u16 vsa; 218 u16 vfp; 219 u16 vbp; 220 221 /* DSI blanking modes */ 222 int blanking_mode; 223 int hsa_blanking_mode; 224 int hbp_blanking_mode; 225 int hfp_blanking_mode; 226 227 enum omap_dss_dsi_trans_mode trans_mode; 228 229 bool ddr_clk_always_on; 230 int window_sync; 231 }; 232 233 struct omap_dss_dsi_config { 234 enum omap_dss_dsi_mode mode; 235 enum omap_dss_dsi_pixel_format pixel_format; 236 const struct videomode *vm; 237 238 unsigned long hs_clk_min, hs_clk_max; 239 unsigned long lp_clk_min, lp_clk_max; 240 241 bool ddr_clk_always_on; 242 enum omap_dss_dsi_trans_mode trans_mode; 243 }; 244 245 struct omap_dss_cpr_coefs { 246 s16 rr, rg, rb; 247 s16 gr, gg, gb; 248 s16 br, bg, bb; 249 }; 250 251 struct omap_overlay_info { 252 dma_addr_t paddr; 253 dma_addr_t p_uv_addr; /* for NV12 format */ 254 u16 screen_width; 255 u16 width; 256 u16 height; 257 u32 fourcc; 258 u8 rotation; 259 enum omap_dss_rotation_type rotation_type; 260 261 u16 pos_x; 262 u16 pos_y; 263 u16 out_width; /* if 0, out_width == width */ 264 u16 out_height; /* if 0, out_height == height */ 265 u8 global_alpha; 266 u8 pre_mult_alpha; 267 u8 zorder; 268 }; 269 270 struct omap_overlay_manager_info { 271 u32 default_color; 272 273 enum omap_dss_trans_key_type trans_key_type; 274 u32 trans_key; 275 bool trans_enabled; 276 277 bool partial_alpha_enabled; 278 279 bool cpr_enable; 280 struct omap_dss_cpr_coefs cpr_coefs; 281 }; 282 283 /* 22 pins means 1 clk lane and 10 data lanes */ 284 #define OMAP_DSS_MAX_DSI_PINS 22 285 286 struct omap_dsi_pin_config { 287 int num_pins; 288 /* 289 * pin numbers in the following order: 290 * clk+, clk- 291 * data1+, data1- 292 * data2+, data2- 293 * ... 294 */ 295 int pins[OMAP_DSS_MAX_DSI_PINS]; 296 }; 297 298 struct omap_dss_writeback_info { 299 u32 paddr; 300 u32 p_uv_addr; 301 u16 buf_width; 302 u16 width; 303 u16 height; 304 u32 fourcc; 305 u8 rotation; 306 enum omap_dss_rotation_type rotation_type; 307 u8 pre_mult_alpha; 308 }; 309 310 struct omapdss_dpi_ops { 311 int (*connect)(struct omap_dss_device *dssdev, 312 struct omap_dss_device *dst); 313 void (*disconnect)(struct omap_dss_device *dssdev, 314 struct omap_dss_device *dst); 315 316 int (*enable)(struct omap_dss_device *dssdev); 317 void (*disable)(struct omap_dss_device *dssdev); 318 319 int (*check_timings)(struct omap_dss_device *dssdev, 320 struct videomode *vm); 321 void (*set_timings)(struct omap_dss_device *dssdev, 322 struct videomode *vm); 323 void (*get_timings)(struct omap_dss_device *dssdev, 324 struct videomode *vm); 325 }; 326 327 struct omapdss_sdi_ops { 328 int (*connect)(struct omap_dss_device *dssdev, 329 struct omap_dss_device *dst); 330 void (*disconnect)(struct omap_dss_device *dssdev, 331 struct omap_dss_device *dst); 332 333 int (*enable)(struct omap_dss_device *dssdev); 334 void (*disable)(struct omap_dss_device *dssdev); 335 336 int (*check_timings)(struct omap_dss_device *dssdev, 337 struct videomode *vm); 338 void (*set_timings)(struct omap_dss_device *dssdev, 339 struct videomode *vm); 340 void (*get_timings)(struct omap_dss_device *dssdev, 341 struct videomode *vm); 342 }; 343 344 struct omapdss_dvi_ops { 345 int (*connect)(struct omap_dss_device *dssdev, 346 struct omap_dss_device *dst); 347 void (*disconnect)(struct omap_dss_device *dssdev, 348 struct omap_dss_device *dst); 349 350 int (*enable)(struct omap_dss_device *dssdev); 351 void (*disable)(struct omap_dss_device *dssdev); 352 353 int (*check_timings)(struct omap_dss_device *dssdev, 354 struct videomode *vm); 355 void (*set_timings)(struct omap_dss_device *dssdev, 356 struct videomode *vm); 357 void (*get_timings)(struct omap_dss_device *dssdev, 358 struct videomode *vm); 359 }; 360 361 struct omapdss_atv_ops { 362 int (*connect)(struct omap_dss_device *dssdev, 363 struct omap_dss_device *dst); 364 void (*disconnect)(struct omap_dss_device *dssdev, 365 struct omap_dss_device *dst); 366 367 int (*enable)(struct omap_dss_device *dssdev); 368 void (*disable)(struct omap_dss_device *dssdev); 369 370 int (*check_timings)(struct omap_dss_device *dssdev, 371 struct videomode *vm); 372 void (*set_timings)(struct omap_dss_device *dssdev, 373 struct videomode *vm); 374 void (*get_timings)(struct omap_dss_device *dssdev, 375 struct videomode *vm); 376 377 int (*set_wss)(struct omap_dss_device *dssdev, u32 wss); 378 u32 (*get_wss)(struct omap_dss_device *dssdev); 379 }; 380 381 struct omapdss_hdmi_ops { 382 int (*connect)(struct omap_dss_device *dssdev, 383 struct omap_dss_device *dst); 384 void (*disconnect)(struct omap_dss_device *dssdev, 385 struct omap_dss_device *dst); 386 387 int (*enable)(struct omap_dss_device *dssdev); 388 void (*disable)(struct omap_dss_device *dssdev); 389 390 int (*check_timings)(struct omap_dss_device *dssdev, 391 struct videomode *vm); 392 void (*set_timings)(struct omap_dss_device *dssdev, 393 struct videomode *vm); 394 void (*get_timings)(struct omap_dss_device *dssdev, 395 struct videomode *vm); 396 397 int (*read_edid)(struct omap_dss_device *dssdev, u8 *buf, int len); 398 void (*lost_hotplug)(struct omap_dss_device *dssdev); 399 bool (*detect)(struct omap_dss_device *dssdev); 400 401 int (*register_hpd_cb)(struct omap_dss_device *dssdev, 402 void (*cb)(void *cb_data, 403 enum drm_connector_status status), 404 void *cb_data); 405 void (*unregister_hpd_cb)(struct omap_dss_device *dssdev); 406 void (*enable_hpd)(struct omap_dss_device *dssdev); 407 void (*disable_hpd)(struct omap_dss_device *dssdev); 408 409 int (*set_hdmi_mode)(struct omap_dss_device *dssdev, bool hdmi_mode); 410 int (*set_infoframe)(struct omap_dss_device *dssdev, 411 const struct hdmi_avi_infoframe *avi); 412 }; 413 414 struct omapdss_dsi_ops { 415 int (*connect)(struct omap_dss_device *dssdev, 416 struct omap_dss_device *dst); 417 void (*disconnect)(struct omap_dss_device *dssdev, 418 struct omap_dss_device *dst); 419 420 int (*enable)(struct omap_dss_device *dssdev); 421 void (*disable)(struct omap_dss_device *dssdev, bool disconnect_lanes, 422 bool enter_ulps); 423 424 /* bus configuration */ 425 int (*set_config)(struct omap_dss_device *dssdev, 426 const struct omap_dss_dsi_config *cfg); 427 int (*configure_pins)(struct omap_dss_device *dssdev, 428 const struct omap_dsi_pin_config *pin_cfg); 429 430 void (*enable_hs)(struct omap_dss_device *dssdev, int channel, 431 bool enable); 432 int (*enable_te)(struct omap_dss_device *dssdev, bool enable); 433 434 int (*update)(struct omap_dss_device *dssdev, int channel, 435 void (*callback)(int, void *), void *data); 436 437 void (*bus_lock)(struct omap_dss_device *dssdev); 438 void (*bus_unlock)(struct omap_dss_device *dssdev); 439 440 int (*enable_video_output)(struct omap_dss_device *dssdev, int channel); 441 void (*disable_video_output)(struct omap_dss_device *dssdev, 442 int channel); 443 444 int (*request_vc)(struct omap_dss_device *dssdev, int *channel); 445 int (*set_vc_id)(struct omap_dss_device *dssdev, int channel, 446 int vc_id); 447 void (*release_vc)(struct omap_dss_device *dssdev, int channel); 448 449 /* data transfer */ 450 int (*dcs_write)(struct omap_dss_device *dssdev, int channel, 451 u8 *data, int len); 452 int (*dcs_write_nosync)(struct omap_dss_device *dssdev, int channel, 453 u8 *data, int len); 454 int (*dcs_read)(struct omap_dss_device *dssdev, int channel, u8 dcs_cmd, 455 u8 *data, int len); 456 457 int (*gen_write)(struct omap_dss_device *dssdev, int channel, 458 u8 *data, int len); 459 int (*gen_write_nosync)(struct omap_dss_device *dssdev, int channel, 460 u8 *data, int len); 461 int (*gen_read)(struct omap_dss_device *dssdev, int channel, 462 u8 *reqdata, int reqlen, 463 u8 *data, int len); 464 465 int (*bta_sync)(struct omap_dss_device *dssdev, int channel); 466 467 int (*set_max_rx_packet_size)(struct omap_dss_device *dssdev, 468 int channel, u16 plen); 469 }; 470 471 struct omap_dss_device { 472 struct kobject kobj; 473 struct device *dev; 474 475 struct module *owner; 476 477 struct list_head panel_list; 478 479 /* alias in the form of "display%d" */ 480 char alias[16]; 481 482 enum omap_display_type type; 483 enum omap_display_type output_type; 484 485 struct { 486 struct videomode vm; 487 488 enum omap_dss_dsi_pixel_format dsi_pix_fmt; 489 enum omap_dss_dsi_mode dsi_mode; 490 } panel; 491 492 const char *name; 493 494 struct omap_dss_driver *driver; 495 496 union { 497 const struct omapdss_dpi_ops *dpi; 498 const struct omapdss_sdi_ops *sdi; 499 const struct omapdss_dvi_ops *dvi; 500 const struct omapdss_hdmi_ops *hdmi; 501 const struct omapdss_atv_ops *atv; 502 const struct omapdss_dsi_ops *dsi; 503 } ops; 504 505 /* helper variable for driver suspend/resume */ 506 bool activate_after_resume; 507 508 enum omap_display_caps caps; 509 510 struct omap_dss_device *src; 511 512 enum omap_dss_display_state state; 513 514 /* OMAP DSS output specific fields */ 515 516 struct list_head list; 517 518 /* DISPC channel for this output */ 519 enum omap_channel dispc_channel; 520 bool dispc_channel_connected; 521 522 /* output instance */ 523 enum omap_dss_output_id id; 524 525 /* the port number in the DT node */ 526 int port_num; 527 528 /* dynamic fields */ 529 struct omap_dss_device *dst; 530 }; 531 532 struct omap_dss_driver { 533 int (*probe)(struct omap_dss_device *); 534 void (*remove)(struct omap_dss_device *); 535 536 int (*connect)(struct omap_dss_device *dssdev); 537 void (*disconnect)(struct omap_dss_device *dssdev); 538 539 int (*enable)(struct omap_dss_device *display); 540 void (*disable)(struct omap_dss_device *display); 541 int (*run_test)(struct omap_dss_device *display, int test); 542 543 int (*update)(struct omap_dss_device *dssdev, 544 u16 x, u16 y, u16 w, u16 h); 545 int (*sync)(struct omap_dss_device *dssdev); 546 547 int (*enable_te)(struct omap_dss_device *dssdev, bool enable); 548 int (*get_te)(struct omap_dss_device *dssdev); 549 550 u8 (*get_rotate)(struct omap_dss_device *dssdev); 551 int (*set_rotate)(struct omap_dss_device *dssdev, u8 rotate); 552 553 bool (*get_mirror)(struct omap_dss_device *dssdev); 554 int (*set_mirror)(struct omap_dss_device *dssdev, bool enable); 555 556 int (*memory_read)(struct omap_dss_device *dssdev, 557 void *buf, size_t size, 558 u16 x, u16 y, u16 w, u16 h); 559 560 int (*check_timings)(struct omap_dss_device *dssdev, 561 struct videomode *vm); 562 void (*set_timings)(struct omap_dss_device *dssdev, 563 struct videomode *vm); 564 void (*get_timings)(struct omap_dss_device *dssdev, 565 struct videomode *vm); 566 567 int (*set_wss)(struct omap_dss_device *dssdev, u32 wss); 568 u32 (*get_wss)(struct omap_dss_device *dssdev); 569 570 int (*read_edid)(struct omap_dss_device *dssdev, u8 *buf, int len); 571 bool (*detect)(struct omap_dss_device *dssdev); 572 573 int (*register_hpd_cb)(struct omap_dss_device *dssdev, 574 void (*cb)(void *cb_data, 575 enum drm_connector_status status), 576 void *cb_data); 577 void (*unregister_hpd_cb)(struct omap_dss_device *dssdev); 578 void (*enable_hpd)(struct omap_dss_device *dssdev); 579 void (*disable_hpd)(struct omap_dss_device *dssdev); 580 581 int (*set_hdmi_mode)(struct omap_dss_device *dssdev, bool hdmi_mode); 582 int (*set_hdmi_infoframe)(struct omap_dss_device *dssdev, 583 const struct hdmi_avi_infoframe *avi); 584 }; 585 586 bool omapdss_is_initialized(void); 587 588 int omap_dss_register_driver(struct omap_dss_driver *); 589 void omap_dss_unregister_driver(struct omap_dss_driver *); 590 591 int omapdss_register_display(struct omap_dss_device *dssdev); 592 void omapdss_unregister_display(struct omap_dss_device *dssdev); 593 594 struct omap_dss_device *omap_dss_get_device(struct omap_dss_device *dssdev); 595 void omap_dss_put_device(struct omap_dss_device *dssdev); 596 #define for_each_dss_dev(d) while ((d = omap_dss_get_next_device(d)) != NULL) 597 struct omap_dss_device *omap_dss_get_next_device(struct omap_dss_device *from); 598 struct omap_dss_device *omap_dss_find_device(void *data, 599 int (*match)(struct omap_dss_device *dssdev, void *data)); 600 601 602 int omap_dss_get_num_overlay_managers(void); 603 604 int omap_dss_get_num_overlays(void); 605 606 int omapdss_register_output(struct omap_dss_device *output); 607 void omapdss_unregister_output(struct omap_dss_device *output); 608 struct omap_dss_device *omap_dss_get_output(enum omap_dss_output_id id); 609 struct omap_dss_device *omap_dss_find_output_by_port_node(struct device_node *port); 610 int omapdss_output_set_device(struct omap_dss_device *out, 611 struct omap_dss_device *dssdev); 612 int omapdss_output_unset_device(struct omap_dss_device *out); 613 614 struct omap_dss_device *omapdss_find_output_from_display(struct omap_dss_device *dssdev); 615 616 void omapdss_default_get_timings(struct omap_dss_device *dssdev, 617 struct videomode *vm); 618 619 typedef void (*omap_dispc_isr_t) (void *arg, u32 mask); 620 int omap_dispc_register_isr(omap_dispc_isr_t isr, void *arg, u32 mask); 621 int omap_dispc_unregister_isr(omap_dispc_isr_t isr, void *arg, u32 mask); 622 623 int omapdss_compat_init(void); 624 void omapdss_compat_uninit(void); 625 626 static inline bool omapdss_device_is_connected(struct omap_dss_device *dssdev) 627 { 628 return dssdev->src; 629 } 630 631 static inline bool omapdss_device_is_enabled(struct omap_dss_device *dssdev) 632 { 633 return dssdev->state == OMAP_DSS_DISPLAY_ACTIVE; 634 } 635 636 struct omap_dss_device * 637 omapdss_of_find_source_for_first_ep(struct device_node *node); 638 639 void omapdss_set_is_initialized(bool set); 640 641 struct device_node *dss_of_port_get_parent_device(struct device_node *port); 642 u32 dss_of_port_get_port_number(struct device_node *port); 643 644 struct dss_mgr_ops { 645 int (*connect)(enum omap_channel channel, 646 struct omap_dss_device *dst); 647 void (*disconnect)(enum omap_channel channel, 648 struct omap_dss_device *dst); 649 650 void (*start_update)(enum omap_channel channel); 651 int (*enable)(enum omap_channel channel); 652 void (*disable)(enum omap_channel channel); 653 void (*set_timings)(enum omap_channel channel, 654 const struct videomode *vm); 655 void (*set_lcd_config)(enum omap_channel channel, 656 const struct dss_lcd_mgr_config *config); 657 int (*register_framedone_handler)(enum omap_channel channel, 658 void (*handler)(void *), void *data); 659 void (*unregister_framedone_handler)(enum omap_channel channel, 660 void (*handler)(void *), void *data); 661 }; 662 663 int dss_install_mgr_ops(const struct dss_mgr_ops *mgr_ops); 664 void dss_uninstall_mgr_ops(void); 665 666 int dss_mgr_connect(enum omap_channel channel, 667 struct omap_dss_device *dst); 668 void dss_mgr_disconnect(enum omap_channel channel, 669 struct omap_dss_device *dst); 670 void dss_mgr_set_timings(enum omap_channel channel, 671 const struct videomode *vm); 672 void dss_mgr_set_lcd_config(enum omap_channel channel, 673 const struct dss_lcd_mgr_config *config); 674 int dss_mgr_enable(enum omap_channel channel); 675 void dss_mgr_disable(enum omap_channel channel); 676 void dss_mgr_start_update(enum omap_channel channel); 677 int dss_mgr_register_framedone_handler(enum omap_channel channel, 678 void (*handler)(void *), void *data); 679 void dss_mgr_unregister_framedone_handler(enum omap_channel channel, 680 void (*handler)(void *), void *data); 681 682 /* dispc ops */ 683 684 struct dispc_ops { 685 u32 (*read_irqstatus)(void); 686 void (*clear_irqstatus)(u32 mask); 687 void (*write_irqenable)(u32 mask); 688 689 int (*request_irq)(irq_handler_t handler, void *dev_id); 690 void (*free_irq)(void *dev_id); 691 692 int (*runtime_get)(void); 693 void (*runtime_put)(void); 694 695 int (*get_num_ovls)(void); 696 int (*get_num_mgrs)(void); 697 698 void (*mgr_enable)(enum omap_channel channel, bool enable); 699 bool (*mgr_is_enabled)(enum omap_channel channel); 700 u32 (*mgr_get_vsync_irq)(enum omap_channel channel); 701 u32 (*mgr_get_framedone_irq)(enum omap_channel channel); 702 u32 (*mgr_get_sync_lost_irq)(enum omap_channel channel); 703 bool (*mgr_go_busy)(enum omap_channel channel); 704 void (*mgr_go)(enum omap_channel channel); 705 void (*mgr_set_lcd_config)(enum omap_channel channel, 706 const struct dss_lcd_mgr_config *config); 707 void (*mgr_set_timings)(enum omap_channel channel, 708 const struct videomode *vm); 709 void (*mgr_setup)(enum omap_channel channel, 710 const struct omap_overlay_manager_info *info); 711 enum omap_dss_output_id (*mgr_get_supported_outputs)(enum omap_channel channel); 712 u32 (*mgr_gamma_size)(enum omap_channel channel); 713 void (*mgr_set_gamma)(enum omap_channel channel, 714 const struct drm_color_lut *lut, 715 unsigned int length); 716 717 int (*ovl_enable)(enum omap_plane_id plane, bool enable); 718 int (*ovl_setup)(enum omap_plane_id plane, 719 const struct omap_overlay_info *oi, 720 const struct videomode *vm, bool mem_to_mem, 721 enum omap_channel channel); 722 723 const u32 *(*ovl_get_color_modes)(enum omap_plane_id plane); 724 }; 725 726 void dispc_set_ops(const struct dispc_ops *o); 727 const struct dispc_ops *dispc_get_ops(void); 728 729 bool omapdss_component_is_display(struct device_node *node); 730 bool omapdss_component_is_output(struct device_node *node); 731 732 bool omapdss_stack_is_ready(void); 733 void omapdss_gather_components(struct device *dev); 734 735 #endif /* __OMAP_DRM_DSS_H */ 736