drivers/video/rockchip/rk_fb.c

   1 /*
   2  * drivers/video/rockchip/rk_fb.c
   3  *
   4  * Copyright (C) ROCKCHIP, Inc.
   5  * Author:yxj<yxj@rock-chips.com>
   6  * This software is licensed under the terms of the GNU General Public
   7  * License version 2, as published by the Free Software Foundation, and
   8  * may be copied, distributed, and modified under those terms.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  */
  15
  16 #include <linux/module.h>
  17 #include <linux/kernel.h>
  18 #include <linux/errno.h>
  19 #include <linux/string.h>
  20 #include <linux/mm.h>
  21 #include <linux/slab.h>
  22 #include <linux/delay.h>
  23 #include <linux/device.h>
  24 #include <linux/kthread.h>
  25 #include <linux/fb.h>
  26 #include <linux/init.h>
  27 #include <linux/vmalloc.h>
  28 #include <asm/div64.h>
  29 #include <linux/uaccess.h>
  30 #include <linux/rk_fb.h>
  31 #include <linux/linux_logo.h>
  32 #include <linux/dma-mapping.h>
  33 #include <linux/regulator/consumer.h>
  34
  35 #include "bmp_helper.h"
  36
  37 #if defined(CONFIG_RK_HDMI)
  38 #include "hdmi/rockchip-hdmi.h"
  39 #endif
  40
  41 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
  42 #include "rga/rga.h"
  43 #endif
  44
  45 #ifdef CONFIG_OF
  46 #include <linux/of.h>
  47 #include <linux/of_platform.h>
  48 #include <linux/of_gpio.h>
  49 #include <video/of_display_timing.h>
  50 #include <video/display_timing.h>
  51 #include <dt-bindings/rkfb/rk_fb.h>
  52 #endif
  53
  54 #if defined(CONFIG_ION_ROCKCHIP)
  55 #include <linux/rockchip_ion.h>
  56 #include <linux/rockchip-iovmm.h>
  57 #include <linux/dma-buf.h>
  58 #include <linux/highmem.h>
  59 #endif
  60
  61 #define H_USE_FENCE 1
  62 /* #define FB_ROATE_BY_KERNEL 1 */
  63
  64 static int hdmi_switch_complete;
  65 static struct platform_device *fb_pdev;
  66
  67 #if defined(CONFIG_FB_MIRRORING)
  68 int (*video_data_to_mirroring) (struct fb_info *info, u32 yuv_phy[2]);
  69 EXPORT_SYMBOL(video_data_to_mirroring);
  70 #endif
  71
  72 extern phys_addr_t uboot_logo_base;
  73 extern phys_addr_t uboot_logo_size;
  74 extern phys_addr_t uboot_logo_offset;
  75 static struct rk_fb_trsm_ops *trsm_lvds_ops;
  76 static struct rk_fb_trsm_ops *trsm_edp_ops;
  77 static struct rk_fb_trsm_ops *trsm_mipi_ops;
  78 static int uboot_logo_on;
  79 int support_uboot_display(void)
  80 {
  81         return uboot_logo_on;
  82 }
  83
  84 int rk_fb_get_display_policy(void)
  85 {
  86         struct rk_fb *rk_fb;
  87
  88         if (fb_pdev) {
  89                 rk_fb = platform_get_drvdata(fb_pdev);
  90                 return rk_fb->disp_policy;
  91         } else {
  92                 return DISPLAY_POLICY_SDK;
  93         }
  94 }
  95
  96 int rk_fb_trsm_ops_register(struct rk_fb_trsm_ops *ops, int type)
  97 {
  98         switch (type) {
  99         case SCREEN_RGB:
 100         case SCREEN_LVDS:
 101         case SCREEN_DUAL_LVDS:
 102                 trsm_lvds_ops = ops;
 103                 break;
 104         case SCREEN_EDP:
 105                 trsm_edp_ops = ops;
 106                 break;
 107         case SCREEN_MIPI:
 108         case SCREEN_DUAL_MIPI:
 109                 trsm_mipi_ops = ops;
 110                 break;
 111         default:
 112                 printk(KERN_WARNING "%s:un supported transmitter:%d!\n",
 113                        __func__, type);
 114                 break;
 115         }
 116         return 0;
 117 }
 118
 119 struct rk_fb_trsm_ops *rk_fb_trsm_ops_get(int type)
 120 {
 121         struct rk_fb_trsm_ops *ops;
 122         switch (type) {
 123         case SCREEN_RGB:
 124         case SCREEN_LVDS:
 125         case SCREEN_DUAL_LVDS:
 126                 ops = trsm_lvds_ops;
 127                 break;
 128         case SCREEN_EDP:
 129                 ops = trsm_edp_ops;
 130                 break;
 131         case SCREEN_MIPI:
 132         case SCREEN_DUAL_MIPI:
 133                 ops = trsm_mipi_ops;
 134                 break;
 135         default:
 136                 ops = NULL;
 137                 printk(KERN_WARNING "%s:un supported transmitter:%d!\n",
 138                        __func__, type);
 139                 break;
 140         }
 141         return ops;
 142 }
 143
 144 int rk_fb_pixel_width(int data_format)
 145 {
 146         int pixel_width;
 147         switch (data_format) {
 148         case XBGR888:
 149         case ABGR888:
 150         case ARGB888:
 151                 pixel_width = 4 * 8;
 152                 break;
 153         case RGB888:
 154                 pixel_width = 3 * 8;
 155                 break;
 156         case RGB565:
 157                 pixel_width = 2 * 8;
 158                 break;
 159         case YUV422:
 160         case YUV420:
 161         case YUV444:
 162                 pixel_width = 1 * 8;
 163                 break;
 164         case YUV422_A:
 165         case YUV420_A:
 166         case YUV444_A:
 167                 pixel_width = 8;
 168                 break;
 169         default:
 170                 printk(KERN_WARNING "%s:un supported format:0x%x\n",
 171                        __func__, data_format);
 172                 return -EINVAL;
 173         }
 174         return pixel_width;
 175 }
 176
 177 static int rk_fb_data_fmt(int data_format, int bits_per_pixel)
 178 {
 179         int fb_data_fmt;
 180         if (data_format) {
 181                 switch (data_format) {
 182                 case HAL_PIXEL_FORMAT_RGBX_8888:
 183                         fb_data_fmt = XBGR888;
 184                         break;
 185                 case HAL_PIXEL_FORMAT_RGBA_8888:
 186                         fb_data_fmt = ABGR888;
 187                         break;
 188                 case HAL_PIXEL_FORMAT_BGRA_8888:
 189                         fb_data_fmt = ARGB888;
 190                         break;
 191                 case HAL_PIXEL_FORMAT_RGB_888:
 192                         fb_data_fmt = RGB888;
 193                         break;
 194                 case HAL_PIXEL_FORMAT_RGB_565:
 195                         fb_data_fmt = RGB565;
 196                         break;
 197                 case HAL_PIXEL_FORMAT_YCbCr_422_SP:     /* yuv422 */
 198                         fb_data_fmt = YUV422;
 199                         break;
 200                 case HAL_PIXEL_FORMAT_YCrCb_NV12:       /* YUV420---uvuvuv */
 201                         fb_data_fmt = YUV420;
 202                         break;
 203                 case HAL_PIXEL_FORMAT_YCrCb_444:        /* yuv444 */
 204                         fb_data_fmt = YUV444;
 205                         break;
 206                 case HAL_PIXEL_FORMAT_YCrCb_NV12_10:    /* yuv444 */
 207                         fb_data_fmt = YUV420_A;
 208                         break;
 209                 case HAL_PIXEL_FORMAT_YCbCr_422_SP_10:  /* yuv444 */
 210                         fb_data_fmt = YUV422_A;
 211                         break;
 212                 case HAL_PIXEL_FORMAT_YCrCb_420_SP_10:  /* yuv444 */
 213                         fb_data_fmt = YUV444_A;
 214                         break;
 215                 default:
 216                         printk(KERN_WARNING "%s:un supported format:0x%x\n",
 217                                __func__, data_format);
 218                         return -EINVAL;
 219                 }
 220         } else {
 221                 switch (bits_per_pixel) {
 222                 case 32:
 223                         fb_data_fmt = ARGB888;
 224                         break;
 225                 case 24:
 226                         fb_data_fmt = RGB888;
 227                         break;
 228                 case 16:
 229                         fb_data_fmt = RGB565;
 230                         break;
 231                 default:
 232                         printk(KERN_WARNING
 233                                "%s:un supported bits_per_pixel:%d\n", __func__,
 234                                bits_per_pixel);
 235                         break;
 236                 }
 237         }
 238         return fb_data_fmt;
 239 }
 240
 241 /*
 242  * rk display power control parse from dts
 243  */
 244 int rk_disp_pwr_ctr_parse_dt(struct rk_lcdc_driver *dev_drv)
 245 {
 246         struct device_node *root = of_get_child_by_name(dev_drv->dev->of_node,
 247                                                         "power_ctr");
 248         struct device_node *child;
 249         struct rk_disp_pwr_ctr_list *pwr_ctr;
 250         struct list_head *pos;
 251         enum of_gpio_flags flags;
 252         u32 val = 0;
 253         u32 debug = 0;
 254         int ret;
 255
 256         INIT_LIST_HEAD(&dev_drv->pwrlist_head);
 257         if (!root) {
 258                 dev_err(dev_drv->dev, "can't find power_ctr node for lcdc%d\n",
 259                         dev_drv->id);
 260                 return -ENODEV;
 261         }
 262
 263         for_each_child_of_node(root, child) {
 264                 pwr_ctr = kmalloc(sizeof(struct rk_disp_pwr_ctr_list),
 265                                   GFP_KERNEL);
 266                 strcpy(pwr_ctr->pwr_ctr.name, child->name);
 267                 if (!of_property_read_u32(child, "rockchip,power_type", &val)) {
 268                         if (val == GPIO) {
 269                                 pwr_ctr->pwr_ctr.type = GPIO;
 270                                 pwr_ctr->pwr_ctr.gpio = of_get_gpio_flags(child, 0, &flags);
 271                                 if (!gpio_is_valid(pwr_ctr->pwr_ctr.gpio)) {
 272                                         dev_err(dev_drv->dev, "%s ivalid gpio\n",
 273                                                 child->name);
 274                                         return -EINVAL;
 275                                 }
 276                                 pwr_ctr->pwr_ctr.atv_val = !(flags & OF_GPIO_ACTIVE_LOW);
 277                                 ret = gpio_request(pwr_ctr->pwr_ctr.gpio,
 278                                                    child->name);
 279                                 if (ret) {
 280                                         dev_err(dev_drv->dev,
 281                                                 "request %s gpio fail:%d\n",
 282                                                 child->name, ret);
 283                                 }
 284
 285                         } else {
 286                                 pwr_ctr->pwr_ctr.type = REGULATOR;
 287                                 pwr_ctr->pwr_ctr.rgl_name = NULL;
 288                                 ret = of_property_read_string(child, "rockchip,regulator_name",
 289                                                              &(pwr_ctr->pwr_ctr.rgl_name));
 290                                 if (ret || IS_ERR_OR_NULL(pwr_ctr->pwr_ctr.rgl_name))
 291                                         dev_err(dev_drv->dev, "get regulator name failed!\n");
 292                                 if (!of_property_read_u32(child, "rockchip,regulator_voltage", &val))
 293                                         pwr_ctr->pwr_ctr.volt = val;
 294                                 else
 295                                         pwr_ctr->pwr_ctr.volt = 0;
 296                         }
 297                 };
 298
 299                 if (!of_property_read_u32(child, "rockchip,delay", &val))
 300                         pwr_ctr->pwr_ctr.delay = val;
 301                 else
 302                         pwr_ctr->pwr_ctr.delay = 0;
 303                 list_add_tail(&pwr_ctr->list, &dev_drv->pwrlist_head);
 304         }
 305
 306         of_property_read_u32(root, "rockchip,debug", &debug);
 307
 308         if (debug) {
 309                 list_for_each(pos, &dev_drv->pwrlist_head) {
 310                         pwr_ctr = list_entry(pos, struct rk_disp_pwr_ctr_list,
 311                                              list);
 312                         printk(KERN_INFO "pwr_ctr_name:%s\n"
 313                                "pwr_type:%s\n"
 314                                "gpio:%d\n"
 315                                "atv_val:%d\n"
 316                                "delay:%d\n\n",
 317                                pwr_ctr->pwr_ctr.name,
 318                                (pwr_ctr->pwr_ctr.type == GPIO) ? "gpio" : "regulator",
 319                                pwr_ctr->pwr_ctr.gpio,
 320                                pwr_ctr->pwr_ctr.atv_val,
 321                                pwr_ctr->pwr_ctr.delay);
 322                 }
 323         }
 324
 325         return 0;
 326
 327 }
 328
 329 int rk_disp_pwr_enable(struct rk_lcdc_driver *dev_drv)
 330 {
 331         struct list_head *pos;
 332         struct rk_disp_pwr_ctr_list *pwr_ctr_list;
 333         struct pwr_ctr *pwr_ctr;
 334         struct regulator *regulator_lcd = NULL;
 335         int count = 10;
 336
 337         if (list_empty(&dev_drv->pwrlist_head))
 338                 return 0;
 339         list_for_each(pos, &dev_drv->pwrlist_head) {
 340                 pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list,
 341                                           list);
 342                 pwr_ctr = &pwr_ctr_list->pwr_ctr;
 343                 if (pwr_ctr->type == GPIO) {
 344                         gpio_direction_output(pwr_ctr->gpio, pwr_ctr->atv_val);
 345                         mdelay(pwr_ctr->delay);
 346                 } else if (pwr_ctr->type == REGULATOR) {
 347                         if (pwr_ctr->rgl_name)
 348                                 regulator_lcd = regulator_get(NULL, pwr_ctr->rgl_name);
 349                         if (regulator_lcd == NULL) {
 350                                 dev_err(dev_drv->dev,
 351                                         "%s: regulator get failed,regulator name:%s\n",
 352                                         __func__, pwr_ctr->rgl_name);
 353                                 continue;
 354                         }
 355                         regulator_set_voltage(regulator_lcd, pwr_ctr->volt, pwr_ctr->volt);
 356                         while (!regulator_is_enabled(regulator_lcd)) {
 357                                 if (regulator_enable(regulator_lcd) == 0 || count == 0)
 358                                         break;
 359                                 else
 360                                         dev_err(dev_drv->dev,
 361                                                 "regulator_enable failed,count=%d\n",
 362                                                 count);
 363                                 count--;
 364                         }
 365                         regulator_put(regulator_lcd);
 366                         msleep(pwr_ctr->delay);
 367                 }
 368         }
 369
 370         return 0;
 371 }
 372
 373 int rk_disp_pwr_disable(struct rk_lcdc_driver *dev_drv)
 374 {
 375         struct list_head *pos;
 376         struct rk_disp_pwr_ctr_list *pwr_ctr_list;
 377         struct pwr_ctr *pwr_ctr;
 378         struct regulator *regulator_lcd = NULL;
 379         int count = 10;
 380
 381         if (list_empty(&dev_drv->pwrlist_head))
 382                 return 0;
 383         list_for_each(pos, &dev_drv->pwrlist_head) {
 384                 pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list,
 385                                           list);
 386                 pwr_ctr = &pwr_ctr_list->pwr_ctr;
 387                 if (pwr_ctr->type == GPIO) {
 388                         gpio_set_value(pwr_ctr->gpio, !pwr_ctr->atv_val);
 389                 } else if (pwr_ctr->type == REGULATOR) {
 390                         if (pwr_ctr->rgl_name)
 391                                 regulator_lcd = regulator_get(NULL, pwr_ctr->rgl_name);
 392                         if (regulator_lcd == NULL) {
 393                                 dev_err(dev_drv->dev,
 394                                         "%s: regulator get failed,regulator name:%s\n",
 395                                         __func__, pwr_ctr->rgl_name);
 396                                 continue;
 397                         }
 398                         while (regulator_is_enabled(regulator_lcd) > 0) {
 399                                 if (regulator_disable(regulator_lcd) == 0 || count == 0)
 400                                         break;
 401                                 else
 402                                         dev_err(dev_drv->dev,
 403                                                 "regulator_disable failed,count=%d\n",
 404                                                 count);
 405                                 count--;
 406                         }
 407                         regulator_put(regulator_lcd);
 408                 }
 409         }
 410         return 0;
 411 }
 412
 413 int rk_fb_video_mode_from_timing(const struct display_timing *dt,
 414                                  struct rk_screen *screen)
 415 {
 416         screen->mode.pixclock = dt->pixelclock.typ;
 417         screen->mode.left_margin = dt->hback_porch.typ;
 418         screen->mode.right_margin = dt->hfront_porch.typ;
 419         screen->mode.xres = dt->hactive.typ;
 420         screen->mode.hsync_len = dt->hsync_len.typ;
 421         screen->mode.upper_margin = dt->vback_porch.typ;
 422         screen->mode.lower_margin = dt->vfront_porch.typ;
 423         screen->mode.yres = dt->vactive.typ;
 424         screen->mode.vsync_len = dt->vsync_len.typ;
 425         screen->type = dt->screen_type;
 426         screen->lvds_format = dt->lvds_format;
 427         screen->face = dt->face;
 428         screen->color_mode = dt->color_mode;
 429         screen->dsp_lut = dt->dsp_lut;
 430
 431         if (dt->flags & DISPLAY_FLAGS_PIXDATA_POSEDGE)
 432                 screen->pin_dclk = 1;
 433         else
 434                 screen->pin_dclk = 0;
 435         if (dt->flags & DISPLAY_FLAGS_HSYNC_HIGH)
 436                 screen->pin_hsync = 1;
 437         else
 438                 screen->pin_hsync = 0;
 439         if (dt->flags & DISPLAY_FLAGS_VSYNC_HIGH)
 440                 screen->pin_vsync = 1;
 441         else
 442                 screen->pin_vsync = 0;
 443         if (dt->flags & DISPLAY_FLAGS_DE_HIGH)
 444                 screen->pin_den = 1;
 445         else
 446                 screen->pin_den = 0;
 447
 448         return 0;
 449
 450 }
 451
 452 int rk_fb_prase_timing_dt(struct device_node *np, struct rk_screen *screen)
 453 {
 454         struct display_timings *disp_timing;
 455         struct display_timing *dt;
 456         disp_timing = of_get_display_timings(np);
 457         if (!disp_timing) {
 458                 pr_err("parse display timing err\n");
 459                 return -EINVAL;
 460         }
 461         dt = display_timings_get(disp_timing, disp_timing->native_mode);
 462         rk_fb_video_mode_from_timing(dt, screen);
 463         return 0;
 464
 465 }
 466
 467 int rk_fb_calc_fps(struct rk_screen *screen, u32 pixclock)
 468 {
 469         int x, y;
 470         unsigned long long hz;
 471         if (!screen) {
 472                 printk(KERN_ERR "%s:null screen!\n", __func__);
 473                 return 0;
 474         }
 475         x = screen->mode.xres + screen->mode.left_margin +
 476             screen->mode.right_margin + screen->mode.hsync_len;
 477         y = screen->mode.yres + screen->mode.upper_margin +
 478             screen->mode.lower_margin + screen->mode.vsync_len;
 479
 480         hz = 1000000000000ULL;  /* 1e12 picoseconds per second */
 481
 482         hz += (x * y) / 2;
 483         do_div(hz, x * y);      /* divide by x * y with rounding */
 484
 485         hz += pixclock / 2;
 486         do_div(hz, pixclock);   /* divide by pixclock with rounding */
 487
 488         return hz;
 489 }
 490
 491 char *get_format_string(enum data_format format, char *fmt)
 492 {
 493         if (!fmt)
 494                 return NULL;
 495         switch (format) {
 496         case ARGB888:
 497                 strcpy(fmt, "ARGB888");
 498                 break;
 499         case RGB888:
 500                 strcpy(fmt, "RGB888");
 501                 break;
 502         case RGB565:
 503                 strcpy(fmt, "RGB565");
 504                 break;
 505         case YUV420:
 506                 strcpy(fmt, "YUV420");
 507                 break;
 508         case YUV422:
 509                 strcpy(fmt, "YUV422");
 510                 break;
 511         case YUV444:
 512                 strcpy(fmt, "YUV444");
 513                 break;
 514         case YUV420_A:
 515                 strcpy(fmt, "YUV420_A");
 516                 break;
 517         case YUV422_A:
 518                 strcpy(fmt, "YUV422_A");
 519                 break;
 520         case YUV444_A:
 521                 strcpy(fmt, "YUV444_A");
 522                 break;
 523         case XRGB888:
 524                 strcpy(fmt, "XRGB888");
 525                 break;
 526         case XBGR888:
 527                 strcpy(fmt, "XBGR888");
 528                 break;
 529         case ABGR888:
 530                 strcpy(fmt, "ABGR888");
 531                 break;
 532         default:
 533                 strcpy(fmt, "invalid");
 534                 break;
 535         }
 536
 537         return fmt;
 538
 539 }
 540
 541 /*
 542  * this is for hdmi
 543  * name: lcdc device name ,lcdc0 , lcdc1
 544  */
 545 struct rk_lcdc_driver *rk_get_lcdc_drv(char *name)
 546 {
 547         struct rk_fb *inf = NULL;
 548         struct rk_lcdc_driver *dev_drv = NULL;
 549         int i = 0;
 550
 551         if (likely(fb_pdev))
 552                 inf = platform_get_drvdata(fb_pdev);
 553         else
 554                 return NULL;
 555
 556         for (i = 0; i < inf->num_lcdc; i++) {
 557                 if (!strcmp(inf->lcdc_dev_drv[i]->name, name)) {
 558                         dev_drv = inf->lcdc_dev_drv[i];
 559                         break;
 560                 }
 561         }
 562
 563         return dev_drv;
 564 }
 565
 566 static struct rk_lcdc_driver *rk_get_prmry_lcdc_drv(void)
 567 {
 568         struct rk_fb *inf = NULL;
 569         struct rk_lcdc_driver *dev_drv = NULL;
 570         int i = 0;
 571
 572         if (likely(fb_pdev))
 573                 inf = platform_get_drvdata(fb_pdev);
 574         else
 575                 return NULL;
 576
 577         for (i = 0; i < inf->num_lcdc; i++) {
 578                 if (inf->lcdc_dev_drv[i]->prop == PRMRY) {
 579                         dev_drv = inf->lcdc_dev_drv[i];
 580                         break;
 581                 }
 582         }
 583
 584         return dev_drv;
 585 }
 586
 587 static __maybe_unused struct rk_lcdc_driver *rk_get_extend_lcdc_drv(void)
 588 {
 589         struct rk_fb *inf = NULL;
 590         struct rk_lcdc_driver *dev_drv = NULL;
 591         int i = 0;
 592
 593         if (likely(fb_pdev))
 594                 inf = platform_get_drvdata(fb_pdev);
 595         else
 596                 return NULL;
 597
 598         for (i = 0; i < inf->num_lcdc; i++) {
 599                 if (inf->lcdc_dev_drv[i]->prop == EXTEND) {
 600                         dev_drv = inf->lcdc_dev_drv[i];
 601                         break;
 602                 }
 603         }
 604
 605         return dev_drv;
 606 }
 607
 608 /*
 609  * get one frame time of the prmry screen, unit: us
 610  */
 611 u32 rk_fb_get_prmry_screen_ft(void)
 612 {
 613         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 614         uint32_t htotal, vtotal, pixclock_ps;
 615         u64 pix_total, ft_us;
 616
 617         if (unlikely(!dev_drv))
 618                 return 0;
 619
 620         pixclock_ps = dev_drv->pixclock;
 621
 622         vtotal = (dev_drv->cur_screen->mode.upper_margin +
 623                  dev_drv->cur_screen->mode.lower_margin +
 624                  dev_drv->cur_screen->mode.yres +
 625                  dev_drv->cur_screen->mode.vsync_len);
 626         htotal = (dev_drv->cur_screen->mode.left_margin +
 627                  dev_drv->cur_screen->mode.right_margin +
 628                  dev_drv->cur_screen->mode.xres +
 629                  dev_drv->cur_screen->mode.hsync_len);
 630         pix_total = htotal * vtotal;
 631         ft_us = pix_total * pixclock_ps;
 632         do_div(ft_us, 1000000);
 633         if (dev_drv->frame_time.ft == 0)
 634                 dev_drv->frame_time.ft = ft_us;
 635
 636         ft_us = dev_drv->frame_time.framedone_t - dev_drv->frame_time.last_framedone_t;
 637         do_div(ft_us, 1000);
 638         ft_us = min(dev_drv->frame_time.ft, (u32)ft_us);
 639         if (ft_us != 0)
 640                 dev_drv->frame_time.ft = ft_us;
 641
 642         return dev_drv->frame_time.ft;
 643 }
 644
 645 /*
 646  * get the vblanking time of the prmry screen, unit: us
 647  */
 648 u32 rk_fb_get_prmry_screen_vbt(void)
 649 {
 650         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 651         uint32_t htotal, vblank, pixclock_ps;
 652         u64 pix_blank, vbt_us;
 653
 654         if (unlikely(!dev_drv))
 655                 return 0;
 656
 657         pixclock_ps = dev_drv->pixclock;
 658
 659         htotal = (dev_drv->cur_screen->mode.left_margin +
 660                  dev_drv->cur_screen->mode.right_margin +
 661                  dev_drv->cur_screen->mode.xres +
 662                  dev_drv->cur_screen->mode.hsync_len);
 663         vblank = (dev_drv->cur_screen->mode.upper_margin +
 664                  dev_drv->cur_screen->mode.lower_margin +
 665                  dev_drv->cur_screen->mode.vsync_len);
 666         pix_blank = htotal * vblank;
 667         vbt_us = pix_blank * pixclock_ps;
 668         do_div(vbt_us, 1000000);
 669         return (u32)vbt_us;
 670 }
 671
 672 /*
 673  * get the frame done time of the prmry screen, unit: us
 674  */
 675 u64 rk_fb_get_prmry_screen_framedone_t(void)
 676 {
 677         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 678
 679         if (unlikely(!dev_drv))
 680                 return 0;
 681         else
 682                 return dev_drv->frame_time.framedone_t;
 683 }
 684
 685 /*
 686  * set prmry screen status
 687  */
 688 int rk_fb_set_prmry_screen_status(int status)
 689 {
 690         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 691         struct rk_screen *screen;
 692
 693         if (unlikely(!dev_drv))
 694                 return 0;
 695
 696         screen = dev_drv->cur_screen;
 697         switch (status) {
 698         case SCREEN_PREPARE_DDR_CHANGE:
 699                 if (screen->type == SCREEN_MIPI
 700                         || screen->type == SCREEN_DUAL_MIPI) {
 701                         if (dev_drv->trsm_ops->dsp_pwr_off)
 702                                 dev_drv->trsm_ops->dsp_pwr_off();
 703                 }
 704                 break;
 705         case SCREEN_UNPREPARE_DDR_CHANGE:
 706                 if (screen->type == SCREEN_MIPI
 707                         || screen->type == SCREEN_DUAL_MIPI) {
 708                         if (dev_drv->trsm_ops->dsp_pwr_on)
 709                                 dev_drv->trsm_ops->dsp_pwr_on();
 710                 }
 711                 break;
 712         default:
 713                 break;
 714         }
 715
 716         return 0;
 717 }
 718
 719 u32 rk_fb_get_prmry_screen_pixclock(void)
 720 {
 721         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 722
 723         if (unlikely(!dev_drv))
 724                 return 0;
 725         else
 726                 return dev_drv->pixclock;
 727 }
 728
 729 int rk_fb_poll_prmry_screen_vblank(void)
 730 {
 731         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 732
 733         if (likely(dev_drv)) {
 734                 if (dev_drv->ops->poll_vblank)
 735                         return dev_drv->ops->poll_vblank(dev_drv);
 736                 else
 737                         return RK_LF_STATUS_NC;
 738         } else {
 739                 return RK_LF_STATUS_NC;
 740         }
 741 }
 742
 743 bool rk_fb_poll_wait_frame_complete(void)
 744 {
 745         uint32_t timeout = RK_LF_MAX_TIMEOUT;
 746         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 747
 748         if (likely(dev_drv)) {
 749                 if (dev_drv->ops->set_irq_to_cpu)
 750                         dev_drv->ops->set_irq_to_cpu(dev_drv, 0);
 751         }
 752
 753         if (rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_NC) {
 754                 if (likely(dev_drv)) {
 755                         if (dev_drv->ops->set_irq_to_cpu)
 756                                 dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
 757                 }
 758                 return false;
 759         }
 760         while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FR) && --timeout)
 761                 ;
 762         while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FC) && --timeout)
 763                 ;
 764         if (likely(dev_drv)) {
 765                 if (dev_drv->ops->set_irq_to_cpu)
 766                         dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
 767         }
 768
 769         return true;
 770 }
 771
 772
 773 /* rk_fb_get_sysmmu_device_by_compatible()
 774  * @compt: dts device compatible name
 775  * return value: success: pointer to the device inside of platform device
 776  *               fail: NULL
 777  */
 778 struct device *rk_fb_get_sysmmu_device_by_compatible(const char *compt)
 779 {
 780         struct device_node *dn = NULL;
 781         struct platform_device *pd = NULL;
 782         struct device *ret = NULL ;
 783
 784         dn = of_find_compatible_node(NULL, NULL, compt);
 785         if (!dn) {
 786                 printk("can't find device node %s \r\n", compt);
 787                 return NULL;
 788         }
 789
 790         pd = of_find_device_by_node(dn);
 791         if (!pd) {
 792                 printk("can't find platform device in device node %s \r\n", compt);
 793                 return  NULL;
 794         }
 795         ret = &pd->dev;
 796
 797         return ret;
 798 }
 799
 800 #ifdef CONFIG_IOMMU_API
 801 void rk_fb_platform_set_sysmmu(struct device *sysmmu, struct device *dev)
 802 {
 803         dev->archdata.iommu = sysmmu;
 804 }
 805 #else
 806 void rk_fb_platform_set_sysmmu(struct device *sysmmu, struct device *dev)
 807 {
 808
 809 }
 810 #endif
 811
 812 static int rk_fb_open(struct fb_info *info, int user)
 813 {
 814         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
 815         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
 816         int win_id;
 817
 818         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
 819         fb_par->state++;
 820         /* if this win aready opened ,no need to reopen */
 821         if (dev_drv->win[win_id]->state)
 822                 return 0;
 823         else
 824                 dev_drv->ops->open(dev_drv, win_id, 1);
 825         return 0;
 826 }
 827
 828 static int rk_fb_close(struct fb_info *info, int user)
 829 {
 830         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
 831         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
 832         struct rk_lcdc_win *win = NULL;
 833         int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
 834
 835         if (win_id >= 0) {
 836                 win = dev_drv->win[win_id];
 837                 fb_par->state--;
 838                 if (!fb_par->state) {
 839                         if (fb_par->fb_phy_base > 0)
 840                                 info->fix.smem_start = fb_par->fb_phy_base;
 841                         info->var.xres = dev_drv->screen0->mode.xres;
 842                         info->var.yres = dev_drv->screen0->mode.yres;
 843                         /*
 844                         info->var.grayscale |=
 845                             (info->var.xres << 8) + (info->var.yres << 20);
 846                         */
 847                         info->var.xres_virtual = info->var.xres;
 848                         info->var.yres_virtual = info->var.yres;
 849 #if defined(CONFIG_LOGO_LINUX_BMP)
 850                         info->var.bits_per_pixel = 32;
 851 #else
 852                         info->var.bits_per_pixel = 16;
 853 #endif
 854                         info->fix.line_length =
 855                             (info->var.xres_virtual) * (info->var.bits_per_pixel >> 3);
 856                         info->var.width = dev_drv->screen0->width;
 857                         info->var.height = dev_drv->screen0->height;
 858                         info->var.pixclock = dev_drv->pixclock;
 859                         info->var.left_margin = dev_drv->screen0->mode.left_margin;
 860                         info->var.right_margin = dev_drv->screen0->mode.right_margin;
 861                         info->var.upper_margin = dev_drv->screen0->mode.upper_margin;
 862                         info->var.lower_margin = dev_drv->screen0->mode.lower_margin;
 863                         info->var.vsync_len = dev_drv->screen0->mode.vsync_len;
 864                         info->var.hsync_len = dev_drv->screen0->mode.hsync_len;
 865                 }
 866         }
 867
 868         return 0;
 869 }
 870
 871 #if defined(FB_ROATE_BY_KERNEL)
 872
 873 #if defined(CONFIG_RK29_IPP)
 874 static int get_ipp_format(int fmt)
 875 {
 876         int ipp_fmt = IPP_XRGB_8888;
 877         switch (fmt) {
 878         case HAL_PIXEL_FORMAT_RGBX_8888:
 879         case HAL_PIXEL_FORMAT_RGBA_8888:
 880         case HAL_PIXEL_FORMAT_BGRA_8888:
 881         case HAL_PIXEL_FORMAT_RGB_888:
 882                 ipp_fmt = IPP_XRGB_8888;
 883                 break;
 884         case HAL_PIXEL_FORMAT_RGB_565:
 885                 ipp_fmt = IPP_RGB_565;
 886                 break;
 887         case HAL_PIXEL_FORMAT_YCbCr_422_SP:
 888                 ipp_fmt = IPP_Y_CBCR_H2V1;
 889                 break;
 890         case HAL_PIXEL_FORMAT_YCrCb_NV12:
 891                 ipp_fmt = IPP_Y_CBCR_H2V2;
 892                 break;
 893         case HAL_PIXEL_FORMAT_YCrCb_444:
 894                 ipp_fmt = IPP_Y_CBCR_H1V1;
 895                 break;
 896         default:
 897                 ipp_fmt = IPP_IMGTYPE_LIMIT;
 898                 break;
 899         }
 900
 901         return ipp_fmt;
 902 }
 903
 904 static void ipp_win_check(int *dst_w, int *dst_h, int *dst_vir_w,
 905                           int rotation, int fmt)
 906 {
 907         int align16 = 2;
 908         int align64 = 8;
 909
 910         if (fmt == IPP_XRGB_8888) {
 911                 align16 = 1;
 912                 align64 = 2;
 913         } else if (fmt == IPP_RGB_565) {
 914                 align16 = 1;
 915                 align64 = 4;
 916         } else {
 917                 align16 = 2;
 918                 align64 = 8;
 919         }
 920         align16 -= 1;           /*for YUV, 1 */
 921         align64 -= 1;           /*for YUV, 7 */
 922
 923         if (rotation == IPP_ROT_0) {
 924                 if (fmt > IPP_RGB_565) {
 925                         if ((*dst_w & 1) != 0)
 926                                 *dst_w = *dst_w + 1;
 927                         if ((*dst_h & 1) != 0)
 928                                 *dst_h = *dst_h + 1;
 929                         if (*dst_vir_w < *dst_w)
 930                                 *dst_vir_w = *dst_w;
 931                 }
 932         } else {
 933                 if ((*dst_w & align64) != 0)
 934                         *dst_w = (*dst_w + align64) & (~align64);
 935                 if ((fmt > IPP_RGB_565) && ((*dst_h & 1) == 1))
 936                         *dst_h = *dst_h + 1;
 937                 if (*dst_vir_w < *dst_w)
 938                         *dst_vir_w = *dst_w;
 939         }
 940 }
 941
 942 static void fb_copy_by_ipp(struct fb_info *dst_info,
 943                                 struct fb_info *src_info)
 944 {
 945         struct rk29_ipp_req ipp_req;
 946         uint32_t rotation = 0;
 947         int dst_w, dst_h, dst_vir_w;
 948         int ipp_fmt;
 949         u8 data_format = (dst_info->var.nonstd) & 0xff;
 950         struct rk_fb_par *fb_par = (struct rk_fb_par *)dst_info->par;
 951         struct rk_lcdc_driver *ext_dev_drv = fb_par->lcdc_drv;
 952         u16 orientation = ext_dev_drv->rotate_mode;
 953
 954         memset(&ipp_req, 0, sizeof(struct rk29_ipp_req));
 955
 956         switch (orientation) {
 957         case 0:
 958                 rotation = IPP_ROT_0;
 959                 break;
 960         case ROTATE_90:
 961                 rotation = IPP_ROT_90;
 962                 break;
 963         case ROTATE_180:
 964                 rotation = IPP_ROT_180;
 965                 break;
 966         case ROTATE_270:
 967                 rotation = IPP_ROT_270;
 968                 break;
 969         default:
 970                 rotation = IPP_ROT_270;
 971                 break;
 972         }
 973
 974         dst_w = dst_info->var.xres;
 975         dst_h = dst_info->var.yres;
 976         dst_vir_w = dst_info->var.xres_virtual;
 977         ipp_fmt = get_ipp_format(data_format);
 978         ipp_win_check(&dst_w, &dst_h, &dst_vir_w, rotation, ipp_fmt);
 979         ipp_req.src0.YrgbMst = src_info->fix.smem_start + offset;
 980         ipp_req.src0.w = src_info->var.xres;
 981         ipp_req.src0.h = src_info->var.yres;
 982         ipp_req.src_vir_w = src_info->var.xres_virtual;
 983         ipp_req.src0.fmt = ipp_fmt;
 984
 985         ipp_req.dst0.YrgbMst = dst_info->fix.smem_start + offset;
 986         ipp_req.dst0.w = dst_w;
 987         ipp_req.dst0.h = dst_h;
 988         ipp_req.dst_vir_w = dst_vir_w;
 989         ipp_req.dst0.fmt = ipp_fmt;
 990
 991         ipp_req.timeout = 100;
 992         ipp_req.flag = rotation;
 993         ipp_blit_sync(&ipp_req);
 994 }
 995
 996 #endif
 997
 998 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
 999 static int get_rga_format(int fmt)
1000 {
1001         int rga_fmt = 0;
1002
1003         switch (fmt) {
1004         case XBGR888:
1005                 rga_fmt = RK_FORMAT_RGBX_8888;
1006                 break;
1007         case ABGR888:
1008                 rga_fmt = RK_FORMAT_RGBA_8888;
1009                 break;
1010         case ARGB888:
1011                 rga_fmt = RK_FORMAT_BGRA_8888;
1012                 break;
1013         case RGB888:
1014                 rga_fmt = RK_FORMAT_RGB_888;
1015                 break;
1016         case RGB565:
1017                 rga_fmt = RK_FORMAT_RGB_565;
1018                 break;
1019         case YUV422:
1020                 rga_fmt = RK_FORMAT_YCbCr_422_SP;
1021                 break;
1022         case YUV420:
1023                 rga_fmt = RK_FORMAT_YCbCr_420_SP;
1024                 break;
1025         default:
1026                 rga_fmt = RK_FORMAT_RGBA_8888;
1027                 break;
1028         }
1029
1030         return rga_fmt;
1031 }
1032
1033 static void rga_win_check(struct rk_lcdc_win *dst_win,
1034                           struct rk_lcdc_win *src_win)
1035 {
1036         int format = 0;
1037
1038         format = get_rga_format(src_win->area[0].format);
1039         /* width and height must be even number */
1040         if (format >= RK_FORMAT_YCbCr_422_SP &&
1041             format <= RK_FORMAT_YCrCb_420_P) {
1042                 if ((src_win->area[0].xact % 2) != 0)
1043                         src_win->area[0].xact += 1;
1044                 if ((src_win->area[0].yact % 2) != 0)
1045                         src_win->area[0].yact += 1;
1046         }
1047         if (src_win->area[0].xvir < src_win->area[0].xact)
1048                 src_win->area[0].xvir = src_win->area[0].xact;
1049         if (src_win->area[0].yvir < src_win->area[0].yact)
1050                 src_win->area[0].yvir = src_win->area[0].yact;
1051
1052         format = get_rga_format(dst_win->area[0].format);
1053         if (format >= RK_FORMAT_YCbCr_422_SP &&
1054             format <= RK_FORMAT_YCrCb_420_P) {
1055                 if ((dst_win->area[0].xact % 2) != 0)
1056                         dst_win->area[0].xact += 1;
1057                 if ((dst_win->area[0].yact % 2) != 0)
1058                         dst_win->area[0].yact += 1;
1059         }
1060         if (dst_win->area[0].xvir < dst_win->area[0].xact)
1061                 dst_win->area[0].xvir = dst_win->area[0].xact;
1062         if (dst_win->area[0].yvir < dst_win->area[0].yact)
1063                 dst_win->area[0].yvir = dst_win->area[0].yact;
1064 }
1065
1066 static void win_copy_by_rga(struct rk_lcdc_win *dst_win,
1067                             struct rk_lcdc_win *src_win,
1068                             u16 orientation, int iommu_en)
1069 {
1070         struct rga_req Rga_Request;
1071         long ret = 0;
1072         /* int fd = 0; */
1073
1074         memset(&Rga_Request, 0, sizeof(Rga_Request));
1075         rga_win_check(dst_win, src_win);
1076
1077         switch (orientation) {
1078         case ROTATE_90:
1079                 Rga_Request.rotate_mode = 1;
1080                 Rga_Request.sina = 65536;
1081                 Rga_Request.cosa = 0;
1082                 Rga_Request.dst.act_w = dst_win->area[0].yact;
1083                 Rga_Request.dst.act_h = dst_win->area[0].xact;
1084                 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1085                 Rga_Request.dst.y_offset = 0;
1086                 break;
1087         case ROTATE_180:
1088                 Rga_Request.rotate_mode = 1;
1089                 Rga_Request.sina = 0;
1090                 Rga_Request.cosa = -65536;
1091                 Rga_Request.dst.act_w = dst_win->area[0].xact;
1092                 Rga_Request.dst.act_h = dst_win->area[0].yact;
1093                 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1094                 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1095                 break;
1096         case ROTATE_270:
1097                 Rga_Request.rotate_mode = 1;
1098                 Rga_Request.sina = -65536;
1099                 Rga_Request.cosa = 0;
1100                 Rga_Request.dst.act_w = dst_win->area[0].yact;
1101                 Rga_Request.dst.act_h = dst_win->area[0].xact;
1102                 Rga_Request.dst.x_offset = 0;
1103                 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1104                 break;
1105         default:
1106                 Rga_Request.rotate_mode = 0;
1107                 Rga_Request.dst.act_w = dst_win->area[0].xact;
1108                 Rga_Request.dst.act_h = dst_win->area[0].yact;
1109                 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1110                 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1111                 break;
1112         }
1113
1114 /*
1115         fd = ion_share_dma_buf_fd(rk_fb->ion_client, src_win->area[0].ion_hdl);
1116         Rga_Request.src.yrgb_addr = fd;
1117         fd = ion_share_dma_buf_fd(rk_fb->ion_client, dst_win->area[0].ion_hdl);
1118         Rga_Request.dst.yrgb_addr = fd;
1119 */
1120         Rga_Request.src.yrgb_addr = 0;
1121         Rga_Request.src.uv_addr =
1122             src_win->area[0].smem_start + src_win->area[0].y_offset;
1123         Rga_Request.src.v_addr = 0;
1124
1125         Rga_Request.dst.yrgb_addr = 0;
1126         Rga_Request.dst.uv_addr =
1127             dst_win->area[0].smem_start + dst_win->area[0].y_offset;
1128         Rga_Request.dst.v_addr = 0;
1129
1130         Rga_Request.src.vir_w = src_win->area[0].xvir;
1131         Rga_Request.src.vir_h = src_win->area[0].yvir;
1132         Rga_Request.src.format = get_rga_format(src_win->area[0].format);
1133         Rga_Request.src.act_w = src_win->area[0].xact;
1134         Rga_Request.src.act_h = src_win->area[0].yact;
1135         Rga_Request.src.x_offset = 0;
1136         Rga_Request.src.y_offset = 0;
1137
1138         Rga_Request.dst.vir_w = dst_win->area[0].xvir;
1139         Rga_Request.dst.vir_h = dst_win->area[0].yvir;
1140         Rga_Request.dst.format = get_rga_format(dst_win->area[0].format);
1141
1142         Rga_Request.clip.xmin = 0;
1143         Rga_Request.clip.xmax = dst_win->area[0].xact - 1;
1144         Rga_Request.clip.ymin = 0;
1145         Rga_Request.clip.ymax = dst_win->area[0].yact - 1;
1146         Rga_Request.scale_mode = 0;
1147 #if defined(CONFIG_ROCKCHIP_IOMMU)
1148         if (iommu_en) {
1149                 Rga_Request.mmu_info.mmu_en = 1;
1150                 Rga_Request.mmu_info.mmu_flag = 1;
1151         } else {
1152                 Rga_Request.mmu_info.mmu_en = 0;
1153                 Rga_Request.mmu_info.mmu_flag = 0;
1154         }
1155 #else
1156         Rga_Request.mmu_info.mmu_en = 0;
1157         Rga_Request.mmu_info.mmu_flag = 0;
1158 #endif
1159
1160         ret = rga_ioctl_kernel(&Rga_Request);
1161 }
1162
1163 /*
1164  * This function is used for copying fb by RGA Module
1165  * RGA only support copy RGB to RGB
1166  * RGA2 support copy RGB to RGB and YUV to YUV
1167  */
1168 static void fb_copy_by_rga(struct fb_info *dst_info,
1169                                 struct fb_info *src_info)
1170 {
1171         struct rk_fb_par *src_fb_par = (struct rk_fb_par *)src_info->par;
1172         struct rk_fb_par *dst_fb_par = (struct rk_fb_par *)dst_info->par;
1173         struct rk_lcdc_driver *dev_drv = src_fb_par->lcdc_drv;
1174         struct rk_lcdc_driver *ext_dev_drv = dst_fb_par->lcdc_drv;
1175         int win_id = 0, ext_win_id;
1176         struct rk_lcdc_win *src_win, *dst_win;
1177
1178         win_id = dev_drv->ops->fb_get_win_id(dev_drv, src_info->fix.id);
1179         src_win = dev_drv->win[win_id];
1180
1181         ext_win_id =
1182             ext_dev_drv->ops->fb_get_win_id(ext_dev_drv, dst_info->fix.id);
1183         dst_win = ext_dev_drv->win[ext_win_id];
1184
1185         win_copy_by_rga(dst_win, src_win, ext_dev_drv->rotate_mode,
1186                         ext_dev_drv->iommu_enabled);
1187 }
1188 #endif
1189
1190 static int rk_fb_rotate(struct fb_info *dst_info,
1191                           struct fb_info *src_info)
1192 {
1193
1194 #if defined(CONFIG_RK29_IPP)
1195         fb_copy_by_ipp(dst_info, src_info);
1196 #elif defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1197         fb_copy_by_rga(dst_info, src_info);
1198 #else
1199         return -1;
1200 #endif
1201         return 0;
1202 }
1203
1204 static int __maybe_unused rk_fb_win_rotate(struct rk_lcdc_win *dst_win,
1205                                             struct rk_lcdc_win *src_win,
1206                                             u16 rotate, int iommu_en)
1207 {
1208 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1209         win_copy_by_rga(dst_win, src_win, rotate, iommu_en);
1210 #else
1211         return -1;
1212 #endif
1213         return 0;
1214 }
1215
1216 #endif
1217
1218 static int rk_fb_pan_display(struct fb_var_screeninfo *var,
1219                              struct fb_info *info)
1220 {
1221         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1222         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1223         struct fb_fix_screeninfo *fix = &info->fix;
1224         int win_id = 0;
1225         struct rk_lcdc_win *win = NULL;
1226         struct rk_screen *screen = dev_drv->cur_screen;
1227         u32 xoffset = var->xoffset;
1228         u32 yoffset = var->yoffset;
1229         u32 xvir = var->xres_virtual;
1230         u8 pixel_width;
1231         u32 vir_width_bit;
1232         u32 stride, uv_stride;
1233         u32 stride_32bit_1;
1234         u32 stride_32bit_2;
1235         u16 uv_x_off, uv_y_off, uv_y_act;
1236         u8 is_pic_yuv = 0;
1237
1238         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1239         if (win_id < 0)
1240                 return -ENODEV;
1241         else
1242                 win = dev_drv->win[win_id];
1243
1244         pixel_width = rk_fb_pixel_width(win->area[0].format);
1245         vir_width_bit = pixel_width * xvir;
1246         stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
1247         stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
1248
1249         switch (win->area[0].format) {
1250         case YUV422:
1251         case YUV422_A:
1252                 is_pic_yuv = 1;
1253                 stride = stride_32bit_1;
1254                 uv_stride = stride_32bit_1 >> 1;
1255                 uv_x_off = xoffset >> 1;
1256                 uv_y_off = yoffset;
1257                 fix->line_length = stride;
1258                 uv_y_act = win->area[0].yact >> 1;
1259                 break;
1260         case YUV420:            /* 420sp */
1261         case YUV420_A:
1262                 is_pic_yuv = 1;
1263                 stride = stride_32bit_1;
1264                 uv_stride = stride_32bit_1;
1265                 uv_x_off = xoffset;
1266                 uv_y_off = yoffset >> 1;
1267                 fix->line_length = stride;
1268                 uv_y_act = win->area[0].yact >> 1;
1269                 break;
1270         case YUV444:
1271         case YUV444_A:
1272                 is_pic_yuv = 1;
1273                 stride = stride_32bit_1;
1274                 uv_stride = stride_32bit_2;
1275                 uv_x_off = xoffset * 2;
1276                 uv_y_off = yoffset;
1277                 fix->line_length = stride << 2;
1278                 uv_y_act = win->area[0].yact;
1279                 break;
1280         default:
1281                 stride = stride_32bit_1;        /* default rgb */
1282                 fix->line_length = stride;
1283                 break;
1284         }
1285
1286         /* x y mirror ,jump line */
1287         if (screen->y_mirror == 1) {
1288                 if (screen->interlace == 1) {
1289                         win->area[0].y_offset = yoffset * stride * 2 +
1290                             ((win->area[0].yact - 1) * 2 + 1) * stride +
1291                             xoffset * pixel_width / 8;
1292                 } else {
1293                         win->area[0].y_offset = yoffset * stride +
1294                             (win->area[0].yact - 1) * stride +
1295                             xoffset * pixel_width / 8;
1296                 }
1297         } else {
1298                 if (screen->interlace == 1) {
1299                         win->area[0].y_offset =
1300                             yoffset * stride * 2 + xoffset * pixel_width / 8;
1301                 } else {
1302                         win->area[0].y_offset =
1303                             yoffset * stride + xoffset * pixel_width / 8;
1304                 }
1305         }
1306         if (is_pic_yuv == 1) {
1307                 if (screen->y_mirror == 1) {
1308                         if (screen->interlace == 1) {
1309                                 win->area[0].c_offset =
1310                                     uv_y_off * uv_stride * 2 +
1311                                     ((uv_y_act - 1) * 2 + 1) * uv_stride +
1312                                     uv_x_off * pixel_width / 8;
1313                         } else {
1314                                 win->area[0].c_offset = uv_y_off * uv_stride +
1315                                     (uv_y_act - 1) * uv_stride +
1316                                     uv_x_off * pixel_width / 8;
1317                         }
1318                 } else {
1319                         if (screen->interlace == 1) {
1320                                 win->area[0].c_offset =
1321                                     uv_y_off * uv_stride * 2 +
1322                                     uv_x_off * pixel_width / 8;
1323                         } else {
1324                                 win->area[0].c_offset =
1325                                     uv_y_off * uv_stride +
1326                                     uv_x_off * pixel_width / 8;
1327                         }
1328                 }
1329         }
1330
1331         win->area[0].smem_start = fix->smem_start;
1332         win->area[0].cbr_start = fix->mmio_start;
1333         win->area[0].state = 1;
1334         win->area_num = 1;
1335
1336         dev_drv->ops->pan_display(dev_drv, win_id);
1337
1338 #ifdef  CONFIG_FB_MIRRORING
1339         if (video_data_to_mirroring)
1340                 video_data_to_mirroring(info, NULL);
1341 #endif
1342         dev_drv->ops->cfg_done(dev_drv);
1343
1344         return 0;
1345 }
1346
1347 static int rk_fb_get_list_stat(struct rk_lcdc_driver *dev_drv)
1348 {
1349         int i, j;
1350
1351         i = list_empty(&dev_drv->update_regs_list);
1352         j = list_empty(&dev_drv->saved_list);
1353         return i == j ? 0 : 1;
1354 }
1355
1356 void rk_fd_fence_wait(struct rk_lcdc_driver *dev_drv, struct sync_fence *fence)
1357 {
1358         int err = sync_fence_wait(fence, 1000);
1359
1360         if (err >= 0)
1361                 return;
1362
1363         if (err == -ETIME)
1364                 err = sync_fence_wait(fence, 10 * MSEC_PER_SEC);
1365
1366         if (err < 0)
1367                 printk("error waiting on fence\n");
1368 }
1369 #if 0
1370 static int rk_fb_copy_from_loader(struct fb_info *info)
1371 {
1372         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1373         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1374         void *dst = info->screen_base;
1375         u32 dsp_addr[4];
1376         u32 src;
1377         u32 i,size;
1378         int win_id;
1379         struct rk_lcdc_win *win;
1380
1381         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1382         win = dev_drv->win[win_id];
1383         size = (win->area[0].xact) * (win->area[0].yact) << 2;
1384         dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1385         src = dsp_addr[win_id];
1386         dev_info(info->dev, "copy fb data %d x %d  from  dst_addr:%08x\n",
1387                  win->area[0].xact, win->area[0].yact, src);
1388         for (i = 0; i < size; i += PAGE_SIZE) {
1389                 void *page = phys_to_page(i + src);
1390                 void *from_virt = kmap(page);
1391                 void *to_virt = dst + i;
1392                 memcpy(to_virt, from_virt, PAGE_SIZE);
1393         }
1394         dev_drv->ops->direct_set_addr(dev_drv, win_id,
1395                                       info->fix.smem_start);
1396         return 0;
1397 }
1398 #endif
1399 #ifdef CONFIG_ROCKCHIP_IOMMU
1400 static int g_last_addr[4];
1401 int g_last_timeout;
1402 u32 freed_addr[10];
1403 u32 freed_index;
1404
1405 #define DUMP_CHUNK 256
1406 char buf[PAGE_SIZE];
1407
1408 int rk_fb_sysmmu_fault_handler(struct device *dev,
1409                                enum rk_iommu_inttype itype,
1410                                unsigned long pgtable_base,
1411                                unsigned long fault_addr, unsigned int status)
1412 {
1413         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
1414         int i = 0;
1415         static int page_fault_cnt;
1416         if ((page_fault_cnt++) >= 10)
1417                 return 0;
1418         pr_err
1419             ("PAGE FAULT occurred at 0x%lx (Page table base: 0x%lx),status=%d\n",
1420              fault_addr, pgtable_base, status);
1421         printk("last config addr:\n" "win0:0x%08x\n" "win1:0x%08x\n"
1422                "win2:0x%08x\n" "win3:0x%08x\n", g_last_addr[0], g_last_addr[1],
1423                g_last_addr[2], g_last_addr[3]);
1424         printk("last freed buffer:\n");
1425         for (i = 0; (freed_addr[i] != 0xfefefefe) && freed_addr[i]; i++)
1426                 printk("%d:0x%08x\n", i, freed_addr[i]);
1427         printk("last timeout:%d\n", g_last_timeout);
1428         dev_drv->ops->get_disp_info(dev_drv, buf, 0);
1429         for (i = 0; i < PAGE_SIZE; i += DUMP_CHUNK) {
1430                 if ((PAGE_SIZE - i) > DUMP_CHUNK) {
1431                         char c = buf[i + DUMP_CHUNK];
1432                         buf[i + DUMP_CHUNK] = 0;
1433                         pr_cont("%s", buf + i);
1434                         buf[i + DUMP_CHUNK] = c;
1435                 } else {
1436                         buf[PAGE_SIZE - 1] = 0;
1437                         pr_cont("%s", buf + i);
1438                 }
1439         }
1440
1441         return 0;
1442 }
1443 #endif
1444
1445 void rk_fb_free_dma_buf(struct rk_lcdc_driver *dev_drv,
1446                         struct rk_fb_reg_win_data *reg_win_data)
1447 {
1448         int i, index_buf;
1449         struct rk_fb_reg_area_data *area_data;
1450         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1451
1452         for (i = 0; i < reg_win_data->area_num; i++) {
1453                 area_data = &reg_win_data->reg_area_data[i];
1454                 index_buf = area_data->index_buf;
1455 #if defined(CONFIG_ROCKCHIP_IOMMU)
1456                 if (dev_drv->iommu_enabled) {
1457                         if (rk_fb->disp_policy != DISPLAY_POLICY_BOX)
1458                                 ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client,
1459                                                 area_data->ion_handle);
1460                         freed_addr[freed_index++] = area_data->smem_start;
1461                 }
1462 #endif
1463                 if (area_data->ion_handle != NULL)
1464                         ion_free(rk_fb->ion_client, area_data->ion_handle);
1465
1466                 if (area_data->acq_fence)
1467                         sync_fence_put(area_data->acq_fence);
1468         }
1469         memset(reg_win_data, 0, sizeof(struct rk_fb_reg_win_data));
1470 }
1471
1472 static void rk_fb_update_win(struct rk_lcdc_driver *dev_drv,
1473                                 struct rk_lcdc_win *win,
1474                                 struct rk_fb_reg_win_data *reg_win_data)
1475 {
1476         int i = 0;
1477         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
1478         struct rk_screen *cur_screen;
1479         struct rk_screen primary_screen;
1480
1481         if (unlikely(!inf) || unlikely(!dev_drv) ||
1482             unlikely(!win) || unlikely(!reg_win_data))
1483                 return;
1484
1485         cur_screen = dev_drv->cur_screen;
1486         rk_fb_get_prmry_screen(&primary_screen);
1487
1488         win->area_num = reg_win_data->area_num;
1489         win->id = reg_win_data->win_id;
1490         win->z_order = reg_win_data->z_order;
1491
1492         if (reg_win_data->reg_area_data[0].smem_start > 0) {
1493                 win->state = 1;
1494                 win->area_num = reg_win_data->area_num;
1495                 win->id = reg_win_data->win_id;
1496                 win->z_order = reg_win_data->z_order;
1497                 win->area[0].uv_vir_stride =
1498                     reg_win_data->reg_area_data[0].uv_vir_stride;
1499                 win->area[0].cbr_start =
1500                     reg_win_data->reg_area_data[0].cbr_start;
1501                 win->area[0].c_offset = reg_win_data->reg_area_data[0].c_offset;
1502                 win->alpha_en = reg_win_data->alpha_en;
1503                 win->alpha_mode = reg_win_data->alpha_mode;
1504                 win->g_alpha_val = reg_win_data->g_alpha_val;
1505                 win->mirror_en = reg_win_data->mirror_en;
1506                 win->area[0].fbdc_en =
1507                         reg_win_data->reg_area_data[0].fbdc_en;
1508                 win->area[0].fbdc_cor_en =
1509                         reg_win_data->reg_area_data[0].fbdc_cor_en;
1510                 win->area[0].fbdc_data_format =
1511                         reg_win_data->reg_area_data[0].fbdc_data_format;
1512                 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
1513                         if (reg_win_data->reg_area_data[i].smem_start > 0) {
1514                                 win->area[i].format =
1515                                         reg_win_data->reg_area_data[i].data_format;
1516                                 if (inf->disp_policy != DISPLAY_POLICY_BOX)
1517                                         win->area[i].ion_hdl =
1518                                         reg_win_data->reg_area_data[i].ion_handle;
1519                                 win->area[i].smem_start =
1520                                         reg_win_data->reg_area_data[i].smem_start;
1521                                 if (inf->disp_mode == DUAL ||
1522                                     inf->disp_policy == DISPLAY_POLICY_BOX) {
1523                                         win->area[i].xpos =
1524                                                 reg_win_data->reg_area_data[i].xpos;
1525                                         win->area[i].ypos =
1526                                                 reg_win_data->reg_area_data[i].ypos;
1527                                         win->area[i].xsize =
1528                                                 reg_win_data->reg_area_data[i].xsize;
1529                                         win->area[i].ysize =
1530                                                 reg_win_data->reg_area_data[i].ysize;
1531                                 } else {
1532                                         win->area[i].xpos =
1533                                                 reg_win_data->reg_area_data[i].xpos *
1534                                                 cur_screen->mode.xres /
1535                                                 primary_screen.mode.xres;
1536                                         win->area[i].ypos =
1537                                                 reg_win_data->reg_area_data[i].ypos *
1538                                                 cur_screen->mode.yres /
1539                                                 primary_screen.mode.yres;
1540                                         win->area[i].xsize =
1541                                                 reg_win_data->reg_area_data[i].xsize *
1542                                                 cur_screen->mode.xres /
1543                                                 primary_screen.mode.xres;
1544                                         win->area[i].ysize =
1545                                                 reg_win_data->reg_area_data[i].ysize *
1546                                                 cur_screen->mode.yres /
1547                                                 primary_screen.mode.yres;
1548
1549                                         /* recalc display size if set hdmi scaler when at ONE_DUAL mode */
1550                                         if (inf->disp_mode == ONE_DUAL && hdmi_switch_complete) {
1551                                                 if (cur_screen->xsize > 0 &&
1552                                                     cur_screen->xsize <= cur_screen->mode.xres) {
1553                                                         win->area[i].xpos =
1554                                                                 ((cur_screen->mode.xres - cur_screen->xsize) >> 1) +
1555                                                                 cur_screen->xsize * win->area[i].xpos / cur_screen->mode.xres;
1556                                                         win->area[i].xsize =
1557                                                                 win->area[i].xsize * cur_screen->xsize / cur_screen->mode.xres;
1558                                                 }
1559                                                 if (cur_screen->ysize > 0 && cur_screen->ysize <= cur_screen->mode.yres) {
1560                                                         win->area[i].ypos =
1561                                                                 ((cur_screen->mode.yres - cur_screen->ysize) >> 1) +
1562                                                                 cur_screen->ysize * win->area[i].ypos / cur_screen->mode.yres;
1563                                                         win->area[i].ysize =
1564                                                                 win->area[i].ysize * cur_screen->ysize / cur_screen->mode.yres;
1565                                                 }
1566                                         }
1567                                 }
1568                                 win->area[i].xact =
1569                                     reg_win_data->reg_area_data[i].xact;
1570                                 win->area[i].yact =
1571                                     reg_win_data->reg_area_data[i].yact;
1572                                 win->area[i].xvir =
1573                                     reg_win_data->reg_area_data[i].xvir;
1574                                 win->area[i].yvir =
1575                                     reg_win_data->reg_area_data[i].yvir;
1576                                 win->area[i].xoff =
1577                                     reg_win_data->reg_area_data[i].xoff;
1578                                 win->area[i].yoff =
1579                                     reg_win_data->reg_area_data[i].yoff;
1580                                 win->area[i].y_offset =
1581                                     reg_win_data->reg_area_data[i].y_offset;
1582                                 win->area[i].y_vir_stride =
1583                                     reg_win_data->reg_area_data[i].y_vir_stride;
1584                                 win->area[i].state = 1;
1585                         } else {
1586                                 win->area[i].state = 0;
1587                         }
1588                 }
1589         } else {
1590         /*
1591                 win->state = 0;
1592                 win->z_order = -1;
1593         */
1594         }
1595 }
1596
1597 static struct rk_fb_reg_win_data *rk_fb_get_win_data(struct rk_fb_reg_data
1598                                                      *regs, int win_id)
1599 {
1600         int i;
1601         struct rk_fb_reg_win_data *win_data = NULL;
1602         for (i = 0; i < regs->win_num; i++) {
1603                 if (regs->reg_win_data[i].win_id == win_id) {
1604                         win_data = &(regs->reg_win_data[i]);
1605                         break;
1606                 }
1607         }
1608
1609         return win_data;
1610 }
1611
1612 static void rk_fb_update_reg(struct rk_lcdc_driver *dev_drv,
1613                              struct rk_fb_reg_data *regs)
1614 {
1615         int i, j;
1616         struct rk_lcdc_win *win;
1617         ktime_t timestamp = dev_drv->vsync_info.timestamp;
1618         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1619         struct rk_fb_reg_win_data *win_data;
1620         bool wait_for_vsync;
1621         int count = 100;
1622         unsigned int dsp_addr[4];
1623         long timeout;
1624
1625         /* acq_fence wait */
1626         for (i = 0; i < regs->win_num; i++) {
1627                 win_data = &regs->reg_win_data[i];
1628                 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1629                         if (win_data->reg_area_data[j].acq_fence) {
1630                                 /* printk("acq_fence wait!!!!!\n"); */
1631                                 rk_fd_fence_wait(dev_drv, win_data->reg_area_data[j].acq_fence);
1632                         }
1633                 }
1634         }
1635
1636         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1637                 win = dev_drv->win[i];
1638                 win_data = rk_fb_get_win_data(regs, i);
1639                 if (win_data) {
1640                         if (rk_fb->disp_policy == DISPLAY_POLICY_BOX &&
1641                             (win_data->reg_area_data[0].data_format == YUV420 ||
1642                              win_data->reg_area_data[0].data_format == YUV420_A))
1643                                 continue;
1644                         mutex_lock(&dev_drv->win_config);
1645                         rk_fb_update_win(dev_drv, win, win_data);
1646                         win->state = 1;
1647                         dev_drv->ops->set_par(dev_drv, i);
1648                         dev_drv->ops->pan_display(dev_drv, i);
1649                         mutex_unlock(&dev_drv->win_config);
1650 #if defined(CONFIG_ROCKCHIP_IOMMU)
1651                         if (dev_drv->iommu_enabled) {
1652                                 g_last_addr[i] = win_data->reg_area_data[0].smem_start +
1653                                         win_data->reg_area_data[0].y_offset;
1654                         }
1655 #endif
1656                 } else {
1657                         win->z_order = -1;
1658                         win->state = 0;
1659                 }
1660         }
1661         dev_drv->ops->ovl_mgr(dev_drv, 0, 1);
1662         dev_drv->ops->cfg_done(dev_drv);
1663
1664         do {
1665                 timestamp = dev_drv->vsync_info.timestamp;
1666                 timeout = wait_event_interruptible_timeout(dev_drv->vsync_info.wait,
1667                                 ktime_compare(dev_drv->vsync_info.timestamp, timestamp) > 0,
1668                                 msecs_to_jiffies(25));
1669
1670                 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1671                 wait_for_vsync = false;
1672                 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1673                         if (dev_drv->win[i]->state == 1) {
1674                                 if (rk_fb->disp_policy == DISPLAY_POLICY_BOX &&
1675                                     (!strcmp(dev_drv->win[i]->name, "hwc"))) {
1676                                         continue;
1677                                 } else {
1678                                         u32 new_start =
1679                                             dev_drv->win[i]->area[0].smem_start +
1680                                             dev_drv->win[i]->area[0].y_offset;
1681                                         u32 reg_start = dsp_addr[i];
1682
1683                                         if ((rk_fb->disp_policy ==
1684                                              DISPLAY_POLICY_BOX) &&
1685                                             (dev_drv->suspend_flag))
1686                                                 continue;
1687                                         if (unlikely(new_start != reg_start)) {
1688                                                 wait_for_vsync = true;
1689                                                 dev_info(dev_drv->dev,
1690                                                        "win%d:new_addr:0x%08x cur_addr:0x%08x--%d\n",
1691                                                        i, new_start, reg_start, 101 - count);
1692                                                 break;
1693                                         }
1694                                 }
1695                         }
1696                 }
1697         } while (wait_for_vsync && count--);
1698 #ifdef H_USE_FENCE
1699         sw_sync_timeline_inc(dev_drv->timeline, 1);
1700 #endif
1701         if (dev_drv->front_regs) {
1702 #if defined(CONFIG_ROCKCHIP_IOMMU)
1703                 if (dev_drv->iommu_enabled) {
1704                         if (dev_drv->ops->mmu_en)
1705                                 dev_drv->ops->mmu_en(dev_drv);
1706                         freed_index = 0;
1707                         g_last_timeout = timeout;
1708                 }
1709 #endif
1710
1711                 mutex_lock(&dev_drv->front_lock);
1712
1713                 for (i = 0; i < dev_drv->front_regs->win_num; i++) {
1714                         win_data = &dev_drv->front_regs->reg_win_data[i];
1715                         rk_fb_free_dma_buf(dev_drv, win_data);
1716                 }
1717                 kfree(dev_drv->front_regs);
1718
1719                 mutex_unlock(&dev_drv->front_lock);
1720
1721 #if defined(CONFIG_ROCKCHIP_IOMMU)
1722                 if (dev_drv->iommu_enabled)
1723                         freed_addr[freed_index] = 0xfefefefe;
1724 #endif
1725         }
1726
1727         mutex_lock(&dev_drv->front_lock);
1728
1729         dev_drv->front_regs = regs;
1730
1731         mutex_unlock(&dev_drv->front_lock);
1732 }
1733
1734 static void rk_fb_update_regs_handler(struct kthread_work *work)
1735 {
1736         struct rk_lcdc_driver *dev_drv =
1737             container_of(work, struct rk_lcdc_driver, update_regs_work);
1738         struct rk_fb_reg_data *data, *next;
1739
1740         mutex_lock(&dev_drv->update_regs_list_lock);
1741         dev_drv->saved_list = dev_drv->update_regs_list;
1742         list_replace_init(&dev_drv->update_regs_list, &dev_drv->saved_list);
1743         mutex_unlock(&dev_drv->update_regs_list_lock);
1744
1745         list_for_each_entry_safe(data, next, &dev_drv->saved_list, list) {
1746                 rk_fb_update_reg(dev_drv, data);
1747                 list_del(&data->list);
1748         }
1749
1750         if (dev_drv->wait_fs && list_empty(&dev_drv->update_regs_list))
1751                 wake_up(&dev_drv->update_regs_wait);
1752 }
1753
1754 static int rk_fb_check_config_var(struct rk_fb_area_par *area_par,
1755                                   struct rk_screen *screen)
1756 {
1757         if ((area_par->x_offset + area_par->xact > area_par->xvir) ||
1758             (area_par->xact <= 0) || (area_par->yact <= 0) ||
1759             (area_par->xvir <= 0) || (area_par->yvir <= 0)) {
1760                 pr_err("check config var fail 0:\n"
1761                        "x_offset=%d,xact=%d,xvir=%d\n",
1762                        area_par->x_offset, area_par->xact, area_par->xvir);
1763                 return -EINVAL;
1764         }
1765
1766         if ((area_par->xpos + area_par->xsize > screen->mode.xres) ||
1767             (area_par->ypos + area_par->ysize > screen->mode.yres) ||
1768             (area_par->xsize <= 0) || (area_par->ysize <= 0)) {
1769                 pr_warn("check config var fail 1:\n"
1770                        "xpos=%d,xsize=%d,xres=%d\n"
1771                        "ypos=%d,ysize=%d,yres=%d\n",
1772                        area_par->xpos, area_par->xsize, screen->mode.xres,
1773                        area_par->ypos, area_par->ysize, screen->mode.yres);
1774                 return -EINVAL;
1775         }
1776         return 0;
1777 }
1778
1779 static int rk_fb_set_win_buffer(struct fb_info *info,
1780                                 struct rk_fb_win_par *win_par,
1781                                 struct rk_fb_reg_win_data *reg_win_data)
1782 {
1783         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
1784         struct fb_fix_screeninfo *fix = &info->fix;
1785         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1786         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1787         struct rk_screen *screen = dev_drv->cur_screen;
1788         struct fb_info *fbi;
1789         int i, ion_fd, acq_fence_fd;
1790         u32 xvir, yvir;
1791         u32 xoffset, yoffset;
1792
1793         struct ion_handle *hdl;
1794         size_t len;
1795         int index_buf;
1796         u8 fb_data_fmt;
1797         u8 pixel_width;
1798         u32 vir_width_bit;
1799         u32 stride, uv_stride;
1800         u32 stride_32bit_1;
1801         u32 stride_32bit_2;
1802         u16 uv_x_off, uv_y_off, uv_y_act;
1803         u8 is_pic_yuv = 0;
1804         u8 ppixel_a = 0, global_a = 0;
1805         ion_phys_addr_t phy_addr;
1806         int ret = 0;
1807
1808         reg_win_data->reg_area_data[0].smem_start = -1;
1809         reg_win_data->area_num = 0;
1810         fbi = rk_fb->fb[reg_win_data->win_id];
1811         if (win_par->area_par[0].phy_addr == 0) {
1812                 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
1813                         ion_fd = win_par->area_par[i].ion_fd;
1814                         if (ion_fd > 0) {
1815                                 hdl =
1816                                     ion_import_dma_buf(rk_fb->ion_client,
1817                                                        ion_fd);
1818                                 if (IS_ERR(hdl)) {
1819                                         pr_info("%s: Could not import handle:"
1820                                                 " %ld\n", __func__, (long)hdl);
1821                                         /*return -EINVAL; */
1822                                         break;
1823                                 }
1824                                 reg_win_data->area_num++;
1825                                 reg_win_data->reg_area_data[i].ion_handle = hdl;
1826 #ifndef CONFIG_ROCKCHIP_IOMMU
1827                                 ret = ion_phys(rk_fb->ion_client, hdl, &phy_addr,
1828                                                 &len);
1829 #else
1830                                 if (dev_drv->iommu_enabled)
1831                                         ret = ion_map_iommu(dev_drv->dev,
1832                                                                 rk_fb->ion_client,
1833                                                                 hdl,
1834                                                                 (unsigned long *)&phy_addr,
1835                                                                 (unsigned long *)&len);
1836                                 else
1837                                         ret = ion_phys(rk_fb->ion_client, hdl,
1838                                                         &phy_addr, &len);
1839 #endif
1840                                 if (ret < 0) {
1841                                         dev_err(fbi->dev, "ion map to get phy addr failed\n");
1842                                         ion_free(rk_fb->ion_client, hdl);
1843                                         return -ENOMEM;
1844                                 }
1845                                 reg_win_data->reg_area_data[i].smem_start = phy_addr;
1846                                 reg_win_data->area_buf_num++;
1847                                 reg_win_data->reg_area_data[i].index_buf = 1;
1848                         }
1849                 }
1850         } else {
1851                 reg_win_data->reg_area_data[0].smem_start =
1852                     win_par->area_par[0].phy_addr;
1853                 reg_win_data->area_num = 1;
1854                 fbi->screen_base = phys_to_virt(win_par->area_par[0].phy_addr);
1855         }
1856
1857         if (reg_win_data->area_num == 0)
1858                 return 0;
1859
1860         for (i = 0; i < reg_win_data->area_num; i++) {
1861                 acq_fence_fd = win_par->area_par[i].acq_fence_fd;
1862                 index_buf = reg_win_data->reg_area_data[i].index_buf;
1863                 if ((acq_fence_fd > 0) && (index_buf == 1)) {
1864                         reg_win_data->reg_area_data[i].acq_fence =
1865                             sync_fence_fdget(win_par->area_par[i].acq_fence_fd);
1866                 }
1867         }
1868         if (reg_win_data->reg_area_data[0].smem_start > 0) {
1869                 reg_win_data->z_order = win_par->z_order;
1870                 reg_win_data->win_id = win_par->win_id;
1871         } else {
1872                 reg_win_data->z_order = -1;
1873                 reg_win_data->win_id = -1;
1874         }
1875
1876         reg_win_data->mirror_en = win_par->mirror_en;
1877         reg_win_data->reg_area_data[0].fbdc_en = win_par->area_par[0].fbdc_en;
1878         reg_win_data->reg_area_data[0].fbdc_cor_en =
1879                 win_par->area_par[0].fbdc_cor_en;
1880         reg_win_data->reg_area_data[0].fbdc_data_format =
1881                 win_par->area_par[0].fbdc_data_format;
1882         for (i = 0; i < reg_win_data->area_num; i++) {
1883                 rk_fb_check_config_var(&win_par->area_par[i], screen);
1884
1885                 fb_data_fmt = rk_fb_data_fmt(win_par->area_par[i].data_format, 0);
1886                 reg_win_data->reg_area_data[i].data_format = fb_data_fmt;
1887                 pixel_width = rk_fb_pixel_width(fb_data_fmt);
1888
1889                 ppixel_a |= ((fb_data_fmt == ARGB888) ||
1890                              (fb_data_fmt == ABGR888)) ? 1 : 0;
1891                 /* visiable pos in panel */
1892                 reg_win_data->reg_area_data[i].xpos = win_par->area_par[i].xpos;
1893                 reg_win_data->reg_area_data[i].ypos = win_par->area_par[i].ypos;
1894
1895                 /* realy size in panel */
1896                 reg_win_data->reg_area_data[i].xsize = win_par->area_par[i].xsize;
1897                 reg_win_data->reg_area_data[i].ysize = win_par->area_par[i].ysize;
1898
1899                 /* realy size in panel */
1900                 reg_win_data->reg_area_data[i].xact = win_par->area_par[i].xact;
1901                 reg_win_data->reg_area_data[i].yact = win_par->area_par[i].yact;
1902
1903                 xoffset = win_par->area_par[i].x_offset;        /* buf offset */
1904                 yoffset = win_par->area_par[i].y_offset;
1905                 reg_win_data->reg_area_data[i].xoff = xoffset;
1906                 reg_win_data->reg_area_data[i].yoff = yoffset;
1907
1908                 xvir = win_par->area_par[i].xvir;
1909                 reg_win_data->reg_area_data[i].xvir = xvir;
1910                 yvir = win_par->area_par[i].yvir;
1911                 reg_win_data->reg_area_data[i].yvir = yvir;
1912
1913                 vir_width_bit = pixel_width * xvir;
1914                 /* pixel_width = byte_num*8 */
1915                 stride_32bit_1 = ((vir_width_bit + 31) & (~31)) / 8;
1916                 stride_32bit_2 = ((vir_width_bit * 2 + 31) & (~31)) / 8;
1917
1918                 stride = stride_32bit_1;        /* default rgb */
1919                 fix->line_length = stride;
1920                 reg_win_data->reg_area_data[i].y_vir_stride = stride >> 2;
1921
1922                 /* x y mirror ,jump line
1923                  * reg_win_data->reg_area_data[i].y_offset =
1924                  *              yoffset*stride+xoffset*pixel_width/8;
1925                  */
1926                 if ((screen->y_mirror == 1) || (reg_win_data->mirror_en)) {
1927                         if (screen->interlace == 1) {
1928                                 reg_win_data->reg_area_data[i].y_offset =
1929                                     yoffset * stride * 2 +
1930                                     ((reg_win_data->reg_area_data[i].yact - 1) * 2 + 1) * stride +
1931                                     xoffset * pixel_width / 8;
1932                         } else {
1933                                 reg_win_data->reg_area_data[i].y_offset =
1934                                     yoffset * stride +
1935                                     (reg_win_data->reg_area_data[i].yact - 1) * stride +
1936                                     xoffset * pixel_width / 8;
1937                         }
1938                 } else {
1939                         if (screen->interlace == 1) {
1940                                 reg_win_data->reg_area_data[i].y_offset =
1941                                     yoffset * stride * 2 +
1942                                     xoffset * pixel_width / 8;
1943                         } else {
1944                                 reg_win_data->reg_area_data[i].y_offset =
1945                                     yoffset * stride +
1946                                     xoffset * pixel_width / 8;
1947                         }
1948                 }
1949         }
1950
1951         global_a = (win_par->g_alpha_val == 0) ? 0 : 1;
1952         reg_win_data->alpha_en = ppixel_a | global_a;
1953         reg_win_data->g_alpha_val = win_par->g_alpha_val;
1954         reg_win_data->alpha_mode = win_par->alpha_mode;
1955
1956         switch (fb_data_fmt) {
1957         case YUV422:
1958         case YUV422_A:
1959                 is_pic_yuv = 1;
1960                 stride = stride_32bit_1;
1961                 uv_stride = stride_32bit_1 >> 1;
1962                 uv_x_off = xoffset >> 1;
1963                 uv_y_off = yoffset;
1964                 fix->line_length = stride;
1965                 uv_y_act = win_par->area_par[0].yact >> 1;
1966                 break;
1967         case YUV420:            /* 420sp */
1968         case YUV420_A:
1969                 is_pic_yuv = 1;
1970                 stride = stride_32bit_1;
1971                 uv_stride = stride_32bit_1;
1972                 uv_x_off = xoffset;
1973                 uv_y_off = yoffset >> 1;
1974                 fix->line_length = stride;
1975                 uv_y_act = win_par->area_par[0].yact >> 1;
1976                 break;
1977         case YUV444:
1978         case YUV444_A:
1979                 is_pic_yuv = 1;
1980                 stride = stride_32bit_1;
1981                 uv_stride = stride_32bit_2;
1982                 uv_x_off = xoffset * 2;
1983                 uv_y_off = yoffset;
1984                 fix->line_length = stride << 2;
1985                 uv_y_act = win_par->area_par[0].yact;
1986                 break;
1987         default:
1988                 break;
1989         }
1990         if (is_pic_yuv == 1) {
1991                 reg_win_data->reg_area_data[0].cbr_start =
1992                     reg_win_data->reg_area_data[0].smem_start + xvir * yvir;
1993                 reg_win_data->reg_area_data[0].uv_vir_stride = uv_stride >> 2;
1994                 if ((screen->y_mirror == 1) || (reg_win_data->mirror_en)) {
1995                         if (screen->interlace == 1) {
1996                                 reg_win_data->reg_area_data[0].c_offset =
1997                                     uv_y_off * uv_stride * 2 +
1998                                     ((uv_y_act - 1) * 2 + 1) * uv_stride +
1999                                     uv_x_off * pixel_width / 8;
2000                         } else {
2001                                 reg_win_data->reg_area_data[0].c_offset =
2002                                     uv_y_off * uv_stride +
2003                                     (uv_y_act - 1) * uv_stride +
2004                                     uv_x_off * pixel_width / 8;
2005                         }
2006                 } else {
2007                         if (screen->interlace == 1) {
2008                                 reg_win_data->reg_area_data[0].c_offset =
2009                                     uv_y_off * uv_stride * 2 +
2010                                     uv_x_off * pixel_width / 8;
2011                         } else {
2012                                 reg_win_data->reg_area_data[0].c_offset =
2013                                     uv_y_off * uv_stride +
2014                                     uv_x_off * pixel_width / 8;
2015                         }
2016                 }
2017         }
2018
2019         /* record buffer information for rk_fb_disp_scale to prevent fence timeout
2020          * because rk_fb_disp_scale will call function info->fbops->fb_set_par(info);
2021          */
2022         info->var.yoffset = yoffset;
2023         info->var.xoffset = xoffset;
2024         return 0;
2025 }
2026
2027 static int rk_fb_set_win_config(struct fb_info *info,
2028                                 struct rk_fb_win_cfg_data *win_data)
2029 {
2030         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2031         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2032         struct rk_fb_reg_data *regs;
2033 #ifdef H_USE_FENCE
2034         struct sync_fence *release_fence[RK_MAX_BUF_NUM];
2035         struct sync_fence *retire_fence;
2036         struct sync_pt *release_sync_pt[RK_MAX_BUF_NUM];
2037         struct sync_pt *retire_sync_pt;
2038         char fence_name[20];
2039 #endif
2040         int ret = 0, i, j = 0;
2041         int list_is_empty = 0;
2042
2043         if (dev_drv->suspend_flag) {
2044                 dev_drv->timeline_max++;
2045                 sw_sync_timeline_inc(dev_drv->timeline, 1);
2046                 return 0;
2047         }
2048
2049         regs = kzalloc(sizeof(struct rk_fb_reg_data), GFP_KERNEL);
2050         if (!regs) {
2051                 printk(KERN_INFO "could not allocate rk_fb_reg_data\n");
2052                 ret = -ENOMEM;
2053                 return ret;
2054         }
2055
2056 /*
2057         regs->post_cfg.xpos = win_data->post_cfg.xpos;
2058         regs->post_cfg.ypos = win_data->post_cfg.ypos;
2059         regs->post_cfg.xsize = win_data->post_cfg.xsize;
2060         regs->post_cfg.ysize = win_data->post_cfg.xsize;
2061 */
2062
2063         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
2064                 if (win_data->win_par[i].win_id < dev_drv->lcdc_win_num) {
2065                         if (rk_fb_set_win_buffer(info, &win_data->win_par[i],
2066                                                         &regs->reg_win_data[j]))
2067                                 return -ENOMEM;
2068                         if (regs->reg_win_data[j].area_num > 0) {
2069                                 regs->win_num++;
2070                                 regs->buf_num +=
2071                                     regs->reg_win_data[j].area_buf_num;
2072                         }
2073                         j++;
2074                 } else {
2075                         printk(KERN_INFO "error:win_id bigger than lcdc_win_num\n");
2076                         printk(KERN_INFO "i=%d,win_id=%d\n", i,
2077                                win_data->win_par[i].win_id);
2078                 }
2079         }
2080
2081         mutex_lock(&dev_drv->output_lock);
2082
2083         dev_drv->timeline_max++;
2084 #ifdef H_USE_FENCE
2085         for (i = 0; i < RK_MAX_BUF_NUM; i++) {
2086                 if (i < regs->buf_num) {
2087                         sprintf(fence_name, "fence%d", i);
2088                         win_data->rel_fence_fd[i] = get_unused_fd();
2089                         if (win_data->rel_fence_fd[i] < 0) {
2090                                 printk(KERN_INFO "rel_fence_fd=%d\n",
2091                                        win_data->rel_fence_fd[i]);
2092                                 ret = -EFAULT;
2093                                 goto err;
2094                         }
2095                         release_sync_pt[i] =
2096                             sw_sync_pt_create(dev_drv->timeline,
2097                                               dev_drv->timeline_max);
2098                         release_fence[i] =
2099                             sync_fence_create(fence_name, release_sync_pt[i]);
2100                         sync_fence_install(release_fence[i],
2101                                            win_data->rel_fence_fd[i]);
2102                 } else {
2103                         win_data->rel_fence_fd[i] = -1;
2104                 }
2105         }
2106
2107         win_data->ret_fence_fd = get_unused_fd();
2108         if (win_data->ret_fence_fd < 0) {
2109                 printk("ret_fence_fd=%d\n", win_data->ret_fence_fd);
2110                 win_data->ret_fence_fd = -1;
2111                 ret = -EFAULT;
2112                 goto err;
2113         }
2114         retire_sync_pt =
2115             sw_sync_pt_create(dev_drv->timeline, dev_drv->timeline_max);
2116         retire_fence = sync_fence_create("ret_fence", retire_sync_pt);
2117         sync_fence_install(retire_fence, win_data->ret_fence_fd);
2118 #else
2119         for (i = 0; i < RK_MAX_BUF_NUM; i++)
2120                 win_data->rel_fence_fd[i] = -1;
2121
2122         win_data->ret_fence_fd = -1;
2123 #endif
2124         if (dev_drv->wait_fs == 0) {
2125                 mutex_lock(&dev_drv->update_regs_list_lock);
2126                 list_add_tail(&regs->list, &dev_drv->update_regs_list);
2127                 mutex_unlock(&dev_drv->update_regs_list_lock);
2128                 queue_kthread_work(&dev_drv->update_regs_worker,
2129                                    &dev_drv->update_regs_work);
2130         } else {
2131                 mutex_lock(&dev_drv->update_regs_list_lock);
2132                 list_is_empty = list_empty(&dev_drv->update_regs_list) &&
2133                                         list_empty(&dev_drv->saved_list);
2134                 mutex_unlock(&dev_drv->update_regs_list_lock);
2135                 if (!list_is_empty) {
2136                         ret = wait_event_timeout(dev_drv->update_regs_wait,
2137                                 list_empty(&dev_drv->update_regs_list) && list_empty(&dev_drv->saved_list),
2138                                 msecs_to_jiffies(60));
2139                         if (ret > 0)
2140                                 rk_fb_update_reg(dev_drv, regs);
2141                         else
2142                                 printk("%s: wait update_regs_wait timeout\n", __func__);
2143                 } else if (ret == 0) {
2144                         rk_fb_update_reg(dev_drv, regs);
2145                 }
2146         }
2147
2148 err:
2149         mutex_unlock(&dev_drv->output_lock);
2150         return ret;
2151 }
2152
2153 #if 1
2154 static int cfgdone_distlist[10] = { 0 };
2155
2156 static int cfgdone_index;
2157 static int cfgdone_lasttime;
2158
2159 int rk_get_real_fps(int before)
2160 {
2161         struct timespec now;
2162         int dist_curr;
2163         int dist_total = 0;
2164         int dist_count = 0;
2165         int dist_first = 0;
2166
2167         int index = cfgdone_index;
2168         int i = 0, fps = 0;
2169         int total;
2170
2171         if (before > 100)
2172                 before = 100;
2173         if (before < 0)
2174                 before = 0;
2175
2176         getnstimeofday(&now);
2177         dist_curr = (now.tv_sec * 1000000 + now.tv_nsec / 1000) -
2178                         cfgdone_lasttime;
2179         total = dist_curr;
2180         /*
2181            printk("fps: ");
2182          */
2183         for (i = 0; i < 10; i++) {
2184                 if (--index < 0)
2185                         index = 9;
2186                 total += cfgdone_distlist[index];
2187                 if (i == 0)
2188                         dist_first = cfgdone_distlist[index];
2189                 if (total < (before * 1000)) {
2190                         /*
2191                            printk("[%d:%d] ", dist_count, cfgdone_distlist[index]);
2192                          */
2193                         dist_total += cfgdone_distlist[index];
2194                         dist_count++;
2195                 } else {
2196                         break;
2197                 }
2198         }
2199
2200         /*
2201            printk("total %d, count %d, curr %d, ", dist_total, dist_count, dist_curr);
2202          */
2203         dist_curr = (dist_curr > dist_first) ? dist_curr : dist_first;
2204         dist_total += dist_curr;
2205         dist_count++;
2206
2207         if (dist_total > 0)
2208                 fps = (1000000 * dist_count) / dist_total;
2209         else
2210                 fps = 60;
2211
2212         /*
2213            printk("curr2 %d, fps=%d\n", dist_curr, fps);
2214          */
2215         return fps;
2216 }
2217 EXPORT_SYMBOL(rk_get_real_fps);
2218
2219 #endif
2220 #ifdef CONFIG_ROCKCHIP_IOMMU
2221 #define ION_MAX 10
2222 static struct ion_handle *ion_hanle[ION_MAX];
2223 static struct ion_handle *ion_hwc[1];
2224 #endif
2225 static int rk_fb_ioctl(struct fb_info *info, unsigned int cmd,
2226                        unsigned long arg)
2227 {
2228         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2229         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2230         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2231         struct fb_fix_screeninfo *fix = &info->fix;
2232         struct rk_lcdc_win *win;
2233         int enable;     /* enable fb:1 enable;0 disable */
2234         int ovl;        /* overlay:0 win1 on the top of win0;1,win0 on the top of win1 */
2235         int num_buf;    /* buffer_number */
2236         int ret;
2237         struct rk_fb_win_cfg_data win_data;
2238         unsigned int dsp_addr[4];
2239         int list_stat;
2240
2241         int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2242
2243         void __user *argp = (void __user *)arg;
2244         win = dev_drv->win[win_id];
2245
2246         switch (cmd) {
2247         case RK_FBIOSET_HWC_ADDR:
2248         {
2249                 u32 hwc_phy[1];
2250                 if (copy_from_user(hwc_phy, argp, 4))
2251                         return -EFAULT;
2252 #ifdef CONFIG_ROCKCHIP_IOMMU
2253                 if (!dev_drv->iommu_enabled) {
2254 #endif
2255                         fix->smem_start = hwc_phy[0];
2256 #ifdef CONFIG_ROCKCHIP_IOMMU
2257                 } else {
2258                         int usr_fd;
2259                         struct ion_handle *hdl;
2260                         ion_phys_addr_t phy_addr;
2261                         size_t len;
2262
2263                         usr_fd = hwc_phy[0];
2264                         if (!usr_fd) {
2265                                 fix->smem_start = 0;
2266                                 fix->mmio_start = 0;
2267                                 dev_drv->ops->open(dev_drv, win_id, 0);
2268                                 break;
2269                         }
2270
2271                         if (ion_hwc[0] != 0) {
2272                                 ion_free(rk_fb->ion_client, ion_hwc[0]);
2273                                 ion_hwc[0] = 0;
2274                         }
2275
2276                         hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2277                         if (IS_ERR(hdl)) {
2278                                 dev_err(info->dev, "failed to get hwc ion handle:%ld\n",
2279                                         PTR_ERR(hdl));
2280                                 return -EFAULT;
2281                         }
2282
2283                         ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2284                                                 (unsigned long *)&phy_addr,
2285                                                 (unsigned long *)&len);
2286                         if (ret < 0) {
2287                                 dev_err(info->dev, "ion map to get hwc phy addr failed");
2288                                 ion_free(rk_fb->ion_client, hdl);
2289                                 return -ENOMEM;
2290                         }
2291                         fix->smem_start = phy_addr;
2292                         ion_hwc[0] = hdl;
2293                 }
2294 #endif
2295                 break;
2296         }
2297         case RK_FBIOSET_YUV_ADDR:
2298                 {
2299                         u32 yuv_phy[2];
2300
2301                         if (copy_from_user(yuv_phy, argp, 8))
2302                                 return -EFAULT;
2303                         #ifdef CONFIG_ROCKCHIP_IOMMU
2304                         if (!dev_drv->iommu_enabled || !strcmp(info->fix.id, "fb0")) {
2305                         #endif
2306                                 fix->smem_start = yuv_phy[0];
2307                                 fix->mmio_start = yuv_phy[1];
2308                         #ifdef CONFIG_ROCKCHIP_IOMMU
2309                         } else {
2310                                 int usr_fd, offset, tmp;
2311                                 struct ion_handle *hdl;
2312                                 ion_phys_addr_t phy_addr;
2313                                 size_t len;
2314
2315                                 usr_fd = yuv_phy[0];
2316                                 offset = yuv_phy[1] - yuv_phy[0];
2317                                 if (!usr_fd) {
2318                                         fix->smem_start = 0;
2319                                         fix->mmio_start = 0;
2320                                         break;
2321                                 }
2322
2323                                 if (ion_hanle[ION_MAX - 1] != 0) {
2324                                         /*ion_unmap_kernel(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);*/
2325                                         /*ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client, ion_hanle[ION_MAX - 1]);*/
2326                                         ion_free(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);
2327                                         ion_hanle[ION_MAX - 1] = 0;
2328                                 }
2329
2330                                 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2331                                 if (IS_ERR(hdl)) {
2332                                         dev_err(info->dev, "failed to get ion handle:%ld\n",
2333                                                 PTR_ERR(hdl));
2334                                         return -EFAULT;
2335                                 }
2336
2337                                 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2338                                                         (unsigned long *)&phy_addr,
2339                                                         (unsigned long *)&len);
2340                                 if (ret < 0) {
2341                                         dev_err(info->dev, "ion map to get phy addr failed");
2342                                         ion_free(rk_fb->ion_client, hdl);
2343                                         return -ENOMEM;
2344                                 }
2345                                 fix->smem_start = phy_addr;
2346                                 fix->mmio_start = phy_addr + offset;
2347                                 fix->smem_len = len;
2348                                 /*info->screen_base = ion_map_kernel(rk_fb->ion_client, hdl);*/
2349
2350                                 ion_hanle[0] = hdl;
2351                                 for (tmp = ION_MAX - 1; tmp > 0; tmp--)
2352                                         ion_hanle[tmp] = ion_hanle[tmp - 1];
2353                                 ion_hanle[0] = 0;
2354                         }
2355                         #endif
2356                         break;
2357                 }
2358         case RK_FBIOSET_ENABLE:
2359                 if (copy_from_user(&enable, argp, sizeof(enable)))
2360                         return -EFAULT;
2361                                 if (enable)
2362                                         fb_par->state++;
2363                                 else
2364                                         fb_par->state--;
2365                 dev_drv->ops->open(dev_drv, win_id, enable);
2366                 break;
2367         case RK_FBIOGET_ENABLE:
2368                 enable = dev_drv->ops->get_win_state(dev_drv, win_id);
2369                 if (copy_to_user(argp, &enable, sizeof(enable)))
2370                         return -EFAULT;
2371                 break;
2372         case RK_FBIOSET_OVERLAY_STA:
2373                 if (copy_from_user(&ovl, argp, sizeof(ovl)))
2374                         return -EFAULT;
2375                 dev_drv->ops->ovl_mgr(dev_drv, ovl, 1);
2376                 break;
2377         case RK_FBIOGET_OVERLAY_STA:
2378                 ovl = dev_drv->ops->ovl_mgr(dev_drv, 0, 0);
2379                 if (copy_to_user(argp, &ovl, sizeof(ovl)))
2380                         return -EFAULT;
2381                 break;
2382         case RK_FBIOPUT_NUM_BUFFERS:
2383                 if (copy_from_user(&num_buf, argp, sizeof(num_buf)))
2384                         return -EFAULT;
2385                 dev_drv->num_buf = num_buf;
2386                 break;
2387         case RK_FBIOSET_VSYNC_ENABLE:
2388                 if (copy_from_user(&enable, argp, sizeof(enable)))
2389                         return -EFAULT;
2390                 dev_drv->vsync_info.active = enable;
2391                 break;
2392
2393         case RK_FBIOGET_DSP_ADDR:
2394                 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
2395                 if (copy_to_user(argp, &dsp_addr, sizeof(dsp_addr)))
2396                         return -EFAULT;
2397                 break;
2398         case RK_FBIOGET_LIST_STA:
2399                 list_stat = rk_fb_get_list_stat(dev_drv);
2400                 if (copy_to_user(argp, &list_stat, sizeof(list_stat)))
2401                         return -EFAULT;
2402
2403                 break;
2404         case RK_FBIOGET_IOMMU_STA:
2405                 if (copy_to_user(argp, &dev_drv->iommu_enabled,
2406                                  sizeof(dev_drv->iommu_enabled)))
2407                         return -EFAULT;
2408                 break;
2409 #if defined(CONFIG_ION_ROCKCHIP)
2410         case RK_FBIOSET_DMABUF_FD:
2411                 {
2412                         int usr_fd;
2413                         struct ion_handle *hdl;
2414                         ion_phys_addr_t phy_addr;
2415                         size_t len;
2416                         if (copy_from_user(&usr_fd, argp, sizeof(usr_fd)))
2417                                 return -EFAULT;
2418                         hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2419                         ion_phys(rk_fb->ion_client, hdl, &phy_addr, &len);
2420                         fix->smem_start = phy_addr;
2421                         break;
2422                 }
2423         case RK_FBIOGET_DMABUF_FD:
2424                 {
2425                         int fd = -1;
2426
2427                         if (IS_ERR_OR_NULL(fb_par->ion_hdl)) {
2428                                 dev_err(info->dev,
2429                                         "get dma_buf fd failed,ion handle is err\n");
2430                                 return PTR_ERR(fb_par->ion_hdl);
2431                         }
2432                         fd = ion_share_dma_buf_fd(rk_fb->ion_client,
2433                                                   fb_par->ion_hdl);
2434                         if (fd < 0) {
2435                                 dev_err(info->dev,
2436                                         "ion_share_dma_buf_fd failed\n");
2437                                 return fd;
2438                         }
2439                         if (copy_to_user(argp, &fd, sizeof(fd)))
2440                                 return -EFAULT;
2441                         break;
2442                 }
2443 #endif
2444         case RK_FBIOSET_CLEAR_FB:
2445                 memset(fb_par->fb_virt_base, 0, fb_par->fb_size);
2446                 break;
2447         case RK_FBIOSET_CONFIG_DONE:
2448                 {
2449                         int curr = 0;
2450                         struct timespec now;
2451
2452                         getnstimeofday(&now);
2453                         curr = now.tv_sec * 1000000 + now.tv_nsec / 1000;
2454                         cfgdone_distlist[cfgdone_index++] =
2455                             curr - cfgdone_lasttime;
2456                         /*
2457                            printk("%d ", curr - cfgdone_lasttime);
2458                          */
2459                         cfgdone_lasttime = curr;
2460                         if (cfgdone_index >= 10)
2461                                 cfgdone_index = 0;
2462                 }
2463                 if (copy_from_user(&win_data,
2464                                    (struct rk_fb_win_cfg_data __user *)argp,
2465                                    sizeof(win_data))) {
2466                         ret = -EFAULT;
2467                         break;
2468                 };
2469
2470                 dev_drv->wait_fs = win_data.wait_fs;
2471                 rk_fb_set_win_config(info, &win_data);
2472
2473                 if (copy_to_user((struct rk_fb_win_cfg_data __user *)arg,
2474                                  &win_data, sizeof(win_data))) {
2475                         ret = -EFAULT;
2476                         break;
2477                 }
2478                 memset(&win_data, 0, sizeof(struct rk_fb_win_cfg_data));
2479                 break;
2480         default:
2481                 dev_drv->ops->ioctl(dev_drv, cmd, arg, win_id);
2482                 break;
2483         }
2484
2485         return 0;
2486 }
2487
2488 static int rk_fb_blank(int blank_mode, struct fb_info *info)
2489 {
2490         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2491         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2492         struct fb_fix_screeninfo *fix = &info->fix;
2493         int win_id;
2494 #if defined(CONFIG_RK_HDMI)
2495         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2496 #endif
2497
2498         win_id = dev_drv->ops->fb_get_win_id(dev_drv, fix->id);
2499         if (win_id < 0)
2500                 return -ENODEV;
2501 #if defined(CONFIG_RK_HDMI)
2502         if ((rk_fb->disp_mode == ONE_DUAL) &&
2503             (hdmi_get_hotplug() == HDMI_HPD_ACTIVED)) {
2504                 printk(KERN_INFO "hdmi is connect , not blank lcdc\n");
2505         } else
2506 #endif
2507         {
2508                 dev_drv->ops->blank(dev_drv, win_id, blank_mode);
2509         }
2510         return 0;
2511 }
2512
2513 static int rk_fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
2514 {
2515         if ((0 == var->xres_virtual) || (0 == var->yres_virtual) ||
2516             (0 == var->xres) || (0 == var->yres) || (var->xres < 16) ||
2517             ((16 != var->bits_per_pixel) &&
2518             (32 != var->bits_per_pixel) &&
2519             (24 != var->bits_per_pixel))) {
2520                 dev_err(info->dev, "%s check var fail 1:\n"
2521                         "xres_vir:%d>>yres_vir:%d\n"
2522                         "xres:%d>>yres:%d\n"
2523                         "bits_per_pixel:%d\n",
2524                         info->fix.id,
2525                         var->xres_virtual,
2526                         var->yres_virtual,
2527                         var->xres, var->yres, var->bits_per_pixel);
2528                 return -EINVAL;
2529         }
2530
2531         if (((var->xoffset + var->xres) > var->xres_virtual) ||
2532             ((var->yoffset + var->yres) > (var->yres_virtual))) {
2533                 dev_err(info->dev, "%s check_var fail 2:\n"
2534                         "xoffset:%d>>xres:%d>>xres_vir:%d\n"
2535                         "yoffset:%d>>yres:%d>>yres_vir:%d\n",
2536                         info->fix.id,
2537                         var->xoffset,
2538                         var->xres,
2539                         var->xres_virtual,
2540                         var->yoffset, var->yres, var->yres_virtual);
2541                 return -EINVAL;
2542         }
2543
2544         return 0;
2545 }
2546
2547 static ssize_t rk_fb_read(struct fb_info *info, char __user *buf,
2548                           size_t count, loff_t *ppos)
2549 {
2550         unsigned long p = *ppos;
2551         u8 *buffer, *dst;
2552         u8 __iomem *src;
2553         int c, cnt = 0, err = 0;
2554         unsigned long total_size;
2555         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2556         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2557         struct rk_lcdc_win *win = NULL;
2558         int win_id = 0;
2559
2560         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2561         if (win_id < 0)
2562                 return -ENODEV;
2563         else
2564                 win = dev_drv->win[win_id];
2565
2566         /* only read the current frame buffer */
2567         if (win->area[0].format == RGB565) {
2568                 total_size = win->area[0].y_vir_stride * win->area[0].yact << 1;
2569         } else if (win->area[0].format == YUV420) {
2570                 total_size =
2571                     (win->area[0].y_vir_stride * win->area[0].yact * 6);
2572         } else {
2573                 total_size = win->area[0].y_vir_stride * win->area[0].yact << 2;
2574         }
2575         if (p >= total_size)
2576                 return 0;
2577
2578         if (count >= total_size)
2579                 count = total_size;
2580
2581         if (count + p > total_size)
2582                 count = total_size - p;
2583
2584         buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
2585         if (!buffer)
2586                 return -ENOMEM;
2587
2588         src = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
2589
2590         while (count) {
2591                 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
2592                 dst = buffer;
2593                 fb_memcpy_fromfb(dst, src, c);
2594                 dst += c;
2595                 src += c;
2596
2597                 if (copy_to_user(buf, buffer, c)) {
2598                         err = -EFAULT;
2599                         break;
2600                 }
2601                 *ppos += c;
2602                 buf += c;
2603                 cnt += c;
2604                 count -= c;
2605         }
2606
2607         kfree(buffer);
2608
2609         return (err) ? err : cnt;
2610 }
2611
2612 static ssize_t rk_fb_write(struct fb_info *info, const char __user *buf,
2613                            size_t count, loff_t *ppos)
2614 {
2615         unsigned long p = *ppos;
2616         u8 *buffer, *src;
2617         u8 __iomem *dst;
2618         int c, cnt = 0, err = 0;
2619         unsigned long total_size;
2620         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2621         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2622         struct rk_lcdc_win *win = NULL;
2623         int win_id = 0;
2624
2625         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2626         if (win_id < 0)
2627                 return -ENODEV;
2628         else
2629                 win = dev_drv->win[win_id];
2630
2631         /* write the current frame buffer */
2632         if (win->area[0].format == RGB565)
2633                 total_size = win->area[0].xact * win->area[0].yact << 1;
2634         else
2635                 total_size = win->area[0].xact * win->area[0].yact << 2;
2636
2637         if (p > total_size)
2638                 return -EFBIG;
2639
2640         if (count > total_size) {
2641                 err = -EFBIG;
2642                 count = total_size;
2643         }
2644
2645         if (count + p > total_size) {
2646                 if (!err)
2647                         err = -ENOSPC;
2648
2649                 count = total_size - p;
2650         }
2651
2652         buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
2653         if (!buffer)
2654                 return -ENOMEM;
2655
2656         dst = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
2657
2658         while (count) {
2659                 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
2660                 src = buffer;
2661
2662                 if (copy_from_user(src, buf, c)) {
2663                         err = -EFAULT;
2664                         break;
2665                 }
2666
2667                 fb_memcpy_tofb(dst, src, c);
2668                 dst += c;
2669                 src += c;
2670                 *ppos += c;
2671                 buf += c;
2672                 cnt += c;
2673                 count -= c;
2674         }
2675
2676         kfree(buffer);
2677
2678         return (cnt) ? cnt : err;
2679 }
2680
2681 static int rk_fb_set_par(struct fb_info *info)
2682 {
2683         struct fb_var_screeninfo *var = &info->var;
2684         struct fb_fix_screeninfo *fix = &info->fix;
2685         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2686         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2687         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2688         struct rk_lcdc_win *win = NULL;
2689         struct rk_screen *screen = dev_drv->cur_screen;
2690         int win_id = 0;
2691         u32 cblen = 0, crlen = 0;
2692         u16 xsize = 0, ysize = 0;       /* winx display window height/width --->LCDC_WINx_DSP_INFO */
2693         u32 xoffset = var->xoffset;     /* offset from virtual to visible */
2694         u32 yoffset = var->yoffset;
2695         u16 xpos = (var->nonstd >> 8) & 0xfff;  /*visiable pos in panel */
2696         u16 ypos = (var->nonstd >> 20) & 0xfff;
2697         u32 xvir = var->xres_virtual;
2698         u32 yvir = var->yres_virtual;
2699         u8 data_format = var->nonstd & 0xff;
2700         u8 fb_data_fmt;
2701         u8 pixel_width;
2702         u32 vir_width_bit;
2703         u32 stride, uv_stride;
2704         u32 stride_32bit_1;
2705         u32 stride_32bit_2;
2706         u16 uv_x_off, uv_y_off, uv_y_act;
2707         u8 is_pic_yuv = 0;
2708
2709         var->pixclock = dev_drv->pixclock;
2710         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2711         if (win_id < 0)
2712                 return -ENODEV;
2713         else
2714                 win = dev_drv->win[win_id];
2715
2716         /* if the application has specific the horizontal and vertical display size */
2717         if (var->grayscale >> 8) {
2718                 xsize = (var->grayscale >> 8) & 0xfff;
2719                 ysize = (var->grayscale >> 20) & 0xfff;
2720                 if (xsize > screen->mode.xres)
2721                         xsize = screen->mode.xres;
2722                 if (ysize > screen->mode.yres)
2723                         ysize = screen->mode.yres;
2724         } else {                /*ohterwise  full  screen display */
2725                 xsize = screen->mode.xres;
2726                 ysize = screen->mode.yres;
2727         }
2728
2729         fb_data_fmt = rk_fb_data_fmt(data_format, var->bits_per_pixel);
2730         pixel_width = rk_fb_pixel_width(fb_data_fmt);
2731         vir_width_bit = pixel_width * xvir;
2732         /* pixel_width = byte_num * 8 */
2733         stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
2734         stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
2735
2736         switch (fb_data_fmt) {
2737         case YUV422:
2738         case YUV422_A:
2739                 is_pic_yuv = 1;
2740                 stride = stride_32bit_1;
2741                 uv_stride = stride_32bit_1 >> 1;
2742                 uv_x_off = xoffset >> 1;
2743                 uv_y_off = yoffset;
2744                 fix->line_length = stride;
2745                 cblen = crlen = (xvir * yvir) >> 1;
2746                 uv_y_act = win->area[0].yact >> 1;
2747                 break;
2748         case YUV420:            /* 420sp */
2749         case YUV420_A:
2750                 is_pic_yuv = 1;
2751                 stride = stride_32bit_1;
2752                 uv_stride = stride_32bit_1;
2753                 uv_x_off = xoffset;
2754                 uv_y_off = yoffset >> 1;
2755                 fix->line_length = stride;
2756                 cblen = crlen = (xvir * yvir) >> 2;
2757                 uv_y_act = win->area[0].yact >> 1;
2758                 break;
2759         case YUV444:
2760         case YUV444_A:
2761                 is_pic_yuv = 1;
2762                 stride = stride_32bit_1;
2763                 uv_stride = stride_32bit_2;
2764                 uv_x_off = xoffset * 2;
2765                 uv_y_off = yoffset;
2766                 fix->line_length = stride << 2;
2767                 cblen = crlen = (xvir * yvir);
2768                 uv_y_act = win->area[0].yact;
2769                 break;
2770         default:
2771                 stride = stride_32bit_1;        /* default rgb */
2772                 fix->line_length = stride;
2773                 break;
2774         }
2775
2776         /* x y mirror ,jump line */
2777         if (screen->y_mirror == 1) {
2778                 if (screen->interlace == 1) {
2779                         win->area[0].y_offset = yoffset * stride * 2 +
2780                             ((win->area[0].yact - 1) * 2 + 1) * stride +
2781                             xoffset * pixel_width / 8;
2782                 } else {
2783                         win->area[0].y_offset = yoffset * stride +
2784                             (win->area[0].yact - 1) * stride +
2785                             xoffset * pixel_width / 8;
2786                 }
2787         } else {
2788                 if (screen->interlace == 1) {
2789                         win->area[0].y_offset =
2790                             yoffset * stride * 2 + xoffset * pixel_width / 8;
2791                 } else {
2792                         win->area[0].y_offset =
2793                             yoffset * stride + xoffset * pixel_width / 8;
2794                 }
2795         }
2796         if (is_pic_yuv == 1) {
2797                 if (screen->y_mirror == 1) {
2798                         if (screen->interlace == 1) {
2799                                 win->area[0].c_offset =
2800                                     uv_y_off * uv_stride * 2 +
2801                                     ((uv_y_act - 1) * 2 + 1) * uv_stride +
2802                                     uv_x_off * pixel_width / 8;
2803                         } else {
2804                                 win->area[0].c_offset = uv_y_off * uv_stride +
2805                                     (uv_y_act - 1) * uv_stride +
2806                                     uv_x_off * pixel_width / 8;
2807                         }
2808                 } else {
2809                         if (screen->interlace == 1) {
2810                                 win->area[0].c_offset =
2811                                     uv_y_off * uv_stride * 2 +
2812                                     uv_x_off * pixel_width / 8;
2813                         } else {
2814                                 win->area[0].c_offset =
2815                                     uv_y_off * uv_stride +
2816                                     uv_x_off * pixel_width / 8;
2817                         }
2818                 }
2819         }
2820
2821         win->area[0].format = fb_data_fmt;
2822         win->area[0].y_vir_stride = stride >> 2;
2823         win->area[0].uv_vir_stride = uv_stride >> 2;
2824         win->area[0].xpos = xpos;
2825         win->area[0].ypos = ypos;
2826         win->area[0].xsize = xsize;
2827         win->area[0].ysize = ysize;
2828         win->area[0].xact = var->xres;  /* winx active window height,is a wint of vir */
2829         win->area[0].yact = var->yres;
2830         win->area[0].xvir = var->xres_virtual;  /* virtual resolution  stride --->LCDC_WINx_VIR */
2831         win->area[0].yvir = var->yres_virtual;
2832         win->area[0].xoff = xoffset;
2833         win->area[0].yoff = yoffset;
2834
2835         win->area_num = 1;
2836         win->alpha_mode = 4;    /* AB_SRC_OVER; */
2837         win->alpha_en = ((win->area[0].format == ARGB888) ||
2838                          (win->area[0].format == ABGR888)) ? 1 : 0;
2839         win->g_alpha_val = 0;
2840
2841         if (rk_fb->disp_policy == DISPLAY_POLICY_BOX &&
2842             (win->area[0].format == YUV420 || win->area[0].format == YUV420_A))
2843             win->state = 1;
2844
2845         dev_drv->ops->set_par(dev_drv, win_id);
2846
2847         return 0;
2848 }
2849
2850 static inline unsigned int chan_to_field(unsigned int chan,
2851                                          struct fb_bitfield *bf)
2852 {
2853         chan &= 0xffff;
2854         chan >>= 16 - bf->length;
2855         return chan << bf->offset;
2856 }
2857
2858 static int fb_setcolreg(unsigned regno,
2859                         unsigned red, unsigned green, unsigned blue,
2860                         unsigned transp, struct fb_info *info)
2861 {
2862         unsigned int val;
2863
2864         switch (info->fix.visual) {
2865         case FB_VISUAL_TRUECOLOR:
2866                 /* true-colour, use pseudo-palette */
2867                 if (regno < 16) {
2868                         u32 *pal = info->pseudo_palette;
2869                         val = chan_to_field(red, &info->var.red);
2870                         val |= chan_to_field(green, &info->var.green);
2871                         val |= chan_to_field(blue, &info->var.blue);
2872                         pal[regno] = val;
2873                 }
2874                 break;
2875         default:
2876                 return -1;      /* unknown type */
2877         }
2878
2879         return 0;
2880 }
2881
2882 static int rk_fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
2883 {
2884         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
2885         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2886         struct ion_handle *handle = fb_par->ion_hdl;
2887         struct dma_buf *dma_buf = NULL;
2888
2889         if (IS_ERR_OR_NULL(handle)) {
2890                 dev_err(info->dev, "failed to get ion handle:%ld\n",
2891                         PTR_ERR(handle));
2892                 return -ENOMEM;
2893         }
2894         dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
2895         if (IS_ERR_OR_NULL(dma_buf)) {
2896                 printk("get ion share dma buf failed\n");
2897                 return -ENOMEM;
2898         }
2899
2900         vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
2901
2902         return dma_buf_mmap(dma_buf, vma, 0);
2903 }
2904
2905 static struct fb_ops fb_ops = {
2906         .owner = THIS_MODULE,
2907         .fb_open = rk_fb_open,
2908         .fb_release = rk_fb_close,
2909         .fb_check_var = rk_fb_check_var,
2910         .fb_set_par = rk_fb_set_par,
2911         .fb_blank = rk_fb_blank,
2912         .fb_ioctl = rk_fb_ioctl,
2913         .fb_pan_display = rk_fb_pan_display,
2914         .fb_read = rk_fb_read,
2915         .fb_write = rk_fb_write,
2916         .fb_setcolreg = fb_setcolreg,
2917         .fb_fillrect = cfb_fillrect,
2918         .fb_copyarea = cfb_copyarea,
2919         .fb_imageblit = cfb_imageblit,
2920 };
2921
2922 static struct fb_var_screeninfo def_var = {
2923 #if defined(CONFIG_LOGO_LINUX_BMP)
2924         .red = {16, 8, 0},
2925         .green = {8, 8, 0},
2926         .blue = {0, 8, 0},
2927         .transp = {0, 0, 0},
2928         .nonstd = HAL_PIXEL_FORMAT_BGRA_8888,
2929 #else
2930         .red = {11, 5, 0},
2931         .green = {5, 6, 0},
2932         .blue = {0, 5, 0},
2933         .transp = {0, 0, 0},
2934         .nonstd = HAL_PIXEL_FORMAT_RGB_565,     /* (ypos<<20+xpos<<8+format) format */
2935 #endif
2936         .grayscale = 0,         /* (ysize<<20+xsize<<8) */
2937         .activate = FB_ACTIVATE_NOW,
2938         .accel_flags = 0,
2939         .vmode = FB_VMODE_NONINTERLACED,
2940 };
2941
2942 static struct fb_fix_screeninfo def_fix = {
2943         .type = FB_TYPE_PACKED_PIXELS,
2944         .type_aux = 0,
2945         .xpanstep = 1,
2946         .ypanstep = 1,
2947         .ywrapstep = 0,
2948         .accel = FB_ACCEL_NONE,
2949         .visual = FB_VISUAL_TRUECOLOR,
2950
2951 };
2952
2953 static int rk_fb_wait_for_vsync_thread(void *data)
2954 {
2955         struct rk_lcdc_driver *dev_drv = data;
2956         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
2957         struct fb_info *fbi = rk_fb->fb[0];
2958
2959         while (!kthread_should_stop()) {
2960                 ktime_t timestamp = dev_drv->vsync_info.timestamp;
2961                 int ret = wait_event_interruptible(dev_drv->vsync_info.wait,
2962                                 !ktime_equal(timestamp, dev_drv->vsync_info.timestamp) &&
2963                                 (dev_drv->vsync_info.active || dev_drv->vsync_info.irq_stop));
2964
2965                 if (!ret)
2966                         sysfs_notify(&fbi->dev->kobj, NULL, "vsync");
2967         }
2968
2969         return 0;
2970 }
2971
2972 static ssize_t rk_fb_vsync_show(struct device *dev,
2973                                 struct device_attribute *attr, char *buf)
2974 {
2975         struct fb_info *fbi = dev_get_drvdata(dev);
2976         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
2977         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2978         return scnprintf(buf, PAGE_SIZE, "%llu\n",
2979                          ktime_to_ns(dev_drv->vsync_info.timestamp));
2980 }
2981
2982 static DEVICE_ATTR(vsync, S_IRUGO, rk_fb_vsync_show, NULL);
2983
2984 /*
2985  * this two function is for other module that in the kernel which
2986  * need show image directly through fb
2987  * fb_id:we have 4 fb here,default we use fb0 for ui display
2988  */
2989 struct fb_info *rk_get_fb(int fb_id)
2990 {
2991         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
2992         struct fb_info *fb = inf->fb[fb_id];
2993         return fb;
2994 }
2995 EXPORT_SYMBOL(rk_get_fb);
2996
2997 void rk_direct_fb_show(struct fb_info *fbi)
2998 {
2999         rk_fb_set_par(fbi);
3000         rk_fb_pan_display(&fbi->var, fbi);
3001 }
3002 EXPORT_SYMBOL(rk_direct_fb_show);
3003
3004 int rk_fb_dpi_open(bool open)
3005 {
3006         struct rk_lcdc_driver *dev_drv = NULL;
3007         dev_drv = rk_get_prmry_lcdc_drv();
3008
3009         if (dev_drv->ops->dpi_open)
3010                 dev_drv->ops->dpi_open(dev_drv, open);
3011         return 0;
3012 }
3013
3014 int rk_fb_dpi_win_sel(int win_id)
3015 {
3016         struct rk_lcdc_driver *dev_drv = NULL;
3017         dev_drv = rk_get_prmry_lcdc_drv();
3018
3019         if (dev_drv->ops->dpi_win_sel)
3020                 dev_drv->ops->dpi_win_sel(dev_drv, win_id);
3021         return 0;
3022 }
3023
3024 int rk_fb_dpi_status(void)
3025 {
3026         int ret = 0;
3027         struct rk_lcdc_driver *dev_drv = NULL;
3028
3029         dev_drv = rk_get_prmry_lcdc_drv();
3030         if (dev_drv->ops->dpi_status)
3031                 ret = dev_drv->ops->dpi_status(dev_drv);
3032
3033         return ret;
3034 }
3035
3036 /*
3037  * function: this function will be called by display device, enable/disable lcdc
3038  * @screen: screen timing to be set to lcdc
3039  * @enable: 0 disable lcdc; 1 enable change lcdc timing; 2 just enable dclk
3040  * @lcdc_id: the lcdc id the display device attached ,0 or 1
3041  */
3042 int rk_fb_switch_screen(struct rk_screen *screen, int enable, int lcdc_id)
3043 {
3044         struct rk_fb *rk_fb =  platform_get_drvdata(fb_pdev);
3045         struct fb_info *info = NULL;
3046         struct rk_fb_par *fb_par = NULL;
3047         struct rk_lcdc_driver *dev_drv = NULL;
3048         char name[6] = {0};
3049         int i, win_id, load_screen = 0;
3050
3051         if (unlikely(!rk_fb) || unlikely(!screen))
3052                 return -ENODEV;
3053
3054         hdmi_switch_complete = 0;
3055         /* get lcdc driver */
3056         sprintf(name, "lcdc%d", lcdc_id);
3057         if (rk_fb->disp_mode != DUAL)
3058                 dev_drv = rk_fb->lcdc_dev_drv[0];
3059         else
3060                 dev_drv = rk_get_lcdc_drv(name);
3061
3062         if (dev_drv == NULL) {
3063                 printk(KERN_ERR "%s driver not found!", name);
3064                 return -ENODEV;
3065         }
3066         if (screen->type == SCREEN_HDMI)
3067                 printk("hdmi %s lcdc%d\n", enable ? "connect to" : "remove from",
3068                         dev_drv->id);
3069         else if (screen->type == SCREEN_TVOUT ||
3070                      screen->type == SCREEN_TVOUT_TEST )
3071                 printk("cvbs %s lcdc%d\n", enable ? "connect to" : "remove from",
3072                         dev_drv->id);
3073         if (enable == 2 /*&& dev_drv->enable*/)
3074                 return 0;
3075
3076         if (rk_fb->disp_mode == ONE_DUAL) {
3077                 if (dev_drv->ops->dsp_black)
3078                         dev_drv->ops->dsp_black(dev_drv, 1);
3079                 if (dev_drv->ops->set_screen_scaler)
3080                         dev_drv->ops->set_screen_scaler(dev_drv, dev_drv->screen0, 0);
3081         }
3082         if (dev_drv->uboot_logo && (screen->type != dev_drv->cur_screen->type))
3083                dev_drv->uboot_logo = 0;
3084         if (!enable) {
3085                 /* if screen type is different, we do not disable lcdc. */
3086                 if (dev_drv->cur_screen->type != screen->type)
3087                         return 0;
3088
3089                 /* if used one lcdc to dual disp, no need to close win */
3090                 if (rk_fb->disp_mode == ONE_DUAL) {
3091                         dev_drv->cur_screen = dev_drv->screen0;
3092                         dev_drv->ops->load_screen(dev_drv, 1);
3093
3094                         /* force modify dsp size */
3095                         info = rk_fb->fb[dev_drv->fb_index_base];
3096                         info->var.grayscale &= 0xff;
3097                         info->var.grayscale |=
3098                                 (dev_drv->cur_screen->mode.xres << 8) +
3099                                 (dev_drv->cur_screen->mode.yres << 20);
3100                         mutex_lock(&dev_drv->win_config);
3101                         info->fbops->fb_set_par(info);
3102                         info->fbops->fb_pan_display(&info->var, info);
3103                         mutex_unlock(&dev_drv->win_config);
3104
3105                         if (dev_drv->ops->dsp_black)
3106                                 dev_drv->ops->dsp_black(dev_drv, 0);
3107                 } else if (rk_fb->num_lcdc > 1) {
3108                         /* If there is more than one lcdc device, we disable
3109                            the layer which attached to this device */
3110                         dev_drv->suspend_flag = 1;
3111                         flush_kthread_worker(&dev_drv->update_regs_worker);
3112                         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3113                                 if (dev_drv->win[i] && dev_drv->win[i]->state)
3114                                         dev_drv->ops->open(dev_drv, i, 0);
3115                         }
3116                 }
3117
3118                 hdmi_switch_complete = 0;
3119                 return 0;
3120         } else {
3121                 if (dev_drv->screen1)
3122                         dev_drv->cur_screen = dev_drv->screen1;
3123                 memcpy(dev_drv->cur_screen, screen, sizeof(struct rk_screen));
3124                 dev_drv->cur_screen->xsize = dev_drv->cur_screen->mode.xres;
3125                 dev_drv->cur_screen->ysize = dev_drv->cur_screen->mode.yres;
3126                 dev_drv->cur_screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3127                 dev_drv->cur_screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3128         }
3129         if ((!dev_drv->uboot_logo) ||
3130             (rk_fb->disp_policy != DISPLAY_POLICY_BOX)) {
3131                 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3132                         info = rk_fb->fb[dev_drv->fb_index_base + i];
3133                         fb_par = (struct rk_fb_par *)info->par;
3134                         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3135                         if (dev_drv->win[win_id]) {
3136                                 if (fb_par->state) {
3137                                         if (!dev_drv->win[win_id]->state) {
3138                                                 dev_drv->ops->open(dev_drv, win_id, 1);
3139                                                 dev_drv->suspend_flag = 0;
3140                                         }
3141                                         if (!load_screen) {
3142                                                 dev_drv->ops->load_screen(dev_drv, 1);
3143                                                 load_screen = 1;
3144                                         }
3145                                         info->var.activate |= FB_ACTIVATE_FORCE;
3146                                         if (rk_fb->disp_mode == ONE_DUAL) {
3147                                                 info->var.grayscale &= 0xff;
3148                                                 info->var.grayscale |=
3149                                                         (dev_drv->cur_screen->xsize << 8) +
3150                                                         (dev_drv->cur_screen->ysize << 20);
3151                                         }
3152
3153                                         mutex_lock(&dev_drv->win_config);
3154                                         info->fbops->fb_set_par(info);
3155                                         info->fbops->fb_pan_display(&info->var, info);
3156                                         mutex_unlock(&dev_drv->win_config);
3157                                 }
3158                         }
3159                 }
3160         }else {
3161                 dev_drv->uboot_logo = 0;
3162         }
3163         hdmi_switch_complete = 1;
3164         if (rk_fb->disp_mode == ONE_DUAL) {
3165                 if (dev_drv->ops->set_screen_scaler)
3166                         dev_drv->ops->set_screen_scaler(dev_drv, dev_drv->screen0, 1);
3167                 if (dev_drv->ops->dsp_black)
3168                         dev_drv->ops->dsp_black(dev_drv, 0);
3169         }
3170         return 0;
3171 }
3172
3173 /*
3174  * function:this function current only called by hdmi for
3175  *      scale the display
3176  * scale_x: scale rate of x resolution
3177  * scale_y: scale rate of y resolution
3178  * lcdc_id: the lcdc id the hdmi attached ,0 or 1
3179  */
3180 int rk_fb_disp_scale(u8 scale_x, u8 scale_y, u8 lcdc_id)
3181 {
3182         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3183         struct fb_info *info = NULL;
3184         struct fb_info *pmy_info = NULL;
3185         struct fb_var_screeninfo *var = NULL;
3186         struct rk_lcdc_driver *dev_drv = NULL;
3187         u16 screen_x, screen_y;
3188         u16 xpos, ypos;
3189         char name[6];
3190         struct rk_screen primary_screen;
3191         rk_fb_get_prmry_screen(&primary_screen);
3192         if (primary_screen.type == SCREEN_HDMI) {
3193                 return 0;
3194         }
3195
3196         sprintf(name, "lcdc%d", lcdc_id);
3197
3198         if (inf->disp_mode == DUAL) {
3199                 dev_drv = rk_get_lcdc_drv(name);
3200                 if (dev_drv == NULL) {
3201                         printk(KERN_ERR "%s driver not found!", name);
3202                         return -ENODEV;
3203                 }
3204         } else {
3205                 dev_drv = inf->lcdc_dev_drv[0];
3206         }
3207
3208         if (inf->num_lcdc == 1) {
3209                 info = inf->fb[0];
3210         } else if (inf->num_lcdc == 2) {
3211                 info = inf->fb[dev_drv->lcdc_win_num];
3212                 pmy_info = inf->fb[0];
3213         }
3214
3215         var = &info->var;
3216         screen_x = dev_drv->cur_screen->mode.xres;
3217         screen_y = dev_drv->cur_screen->mode.yres;
3218
3219         if (inf->disp_mode != DUAL && dev_drv->screen1) {
3220                 dev_drv->cur_screen->xpos =
3221                     (screen_x - screen_x * scale_x / 100) >> 1;
3222                 dev_drv->cur_screen->ypos =
3223                     (screen_y - screen_y * scale_y / 100) >> 1;
3224                 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3225                 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3226         } else {
3227                 xpos = (screen_x - screen_x * scale_x / 100) >> 1;
3228                 ypos = (screen_y - screen_y * scale_y / 100) >> 1;
3229                 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3230                 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3231                 if (inf->disp_mode == ONE_DUAL) {
3232                         var->nonstd &= 0xff;
3233                         var->nonstd |= (xpos << 8) + (ypos << 20);
3234                         var->grayscale &= 0xff;
3235                         var->grayscale |=
3236                                 (dev_drv->cur_screen->xsize << 8) +
3237                                 (dev_drv->cur_screen->ysize << 20);
3238                 }
3239         }
3240
3241         mutex_lock(&dev_drv->win_config);
3242         info->fbops->fb_set_par(info);
3243         dev_drv->ops->cfg_done(dev_drv);
3244         mutex_unlock(&dev_drv->win_config);
3245
3246         return 0;
3247 }
3248
3249 #if defined(CONFIG_ION_ROCKCHIP)
3250 static int rk_fb_alloc_buffer_by_ion(struct fb_info *fbi,
3251                                      struct rk_lcdc_win *win,
3252                                      unsigned long fb_mem_size)
3253 {
3254         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3255         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3256         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3257         struct ion_handle *handle;
3258         ion_phys_addr_t phy_addr;
3259         size_t len;
3260         int ret = 0;
3261
3262         if (dev_drv->iommu_enabled)
3263                 handle = ion_alloc(rk_fb->ion_client, (size_t) fb_mem_size, 0,
3264                                    ION_HEAP(ION_VMALLOC_HEAP_ID), 0);
3265         else
3266                 handle = ion_alloc(rk_fb->ion_client, (size_t) fb_mem_size, 0,
3267                                    ION_HEAP(ION_CMA_HEAP_ID), 0);
3268         if (IS_ERR(handle)) {
3269                 dev_err(fbi->device, "failed to ion_alloc:%ld\n",
3270                         PTR_ERR(handle));
3271                 return -ENOMEM;
3272         }
3273
3274         fb_par->ion_hdl = handle;
3275         win->area[0].dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3276         if (IS_ERR_OR_NULL(win->area[0].dma_buf)) {
3277                 printk("ion_share_dma_buf() failed\n");
3278                 goto err_share_dma_buf;
3279         }
3280         win->area[0].ion_hdl = handle;
3281         if (dev_drv->prop == PRMRY)
3282                 fbi->screen_base = ion_map_kernel(rk_fb->ion_client, handle);
3283 #ifdef CONFIG_ROCKCHIP_IOMMU
3284         if (dev_drv->iommu_enabled && dev_drv->mmu_dev)
3285                 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, handle,
3286                                         (unsigned long *)&phy_addr,
3287                                         (unsigned long *)&len);
3288         else
3289                 ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3290 #else
3291         ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3292 #endif
3293         if (ret < 0) {
3294                 dev_err(fbi->dev, "ion map to get phy addr failed\n");
3295                 goto err_share_dma_buf;
3296         }
3297         fbi->fix.smem_start = phy_addr;
3298         fbi->fix.smem_len = len;
3299         printk(KERN_INFO "alloc_buffer:ion_phy_addr=0x%lx\n", phy_addr);
3300         return 0;
3301
3302 err_share_dma_buf:
3303         ion_free(rk_fb->ion_client, handle);
3304         return -ENOMEM;
3305 }
3306 #endif
3307
3308 static int rk_fb_alloc_buffer(struct fb_info *fbi)
3309 {
3310         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3311         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3312         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3313         struct rk_lcdc_win *win = NULL;
3314         int win_id;
3315         int ret = 0;
3316         unsigned long fb_mem_size;
3317 #if !defined(CONFIG_ION_ROCKCHIP)
3318         dma_addr_t fb_mem_phys;
3319         void *fb_mem_virt;
3320 #endif
3321
3322         win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
3323         if (win_id < 0)
3324                 return -ENODEV;
3325         else
3326                 win = dev_drv->win[win_id];
3327
3328         if (!strcmp(fbi->fix.id, "fb0")) {
3329                 fb_mem_size = get_fb_size();
3330 #if defined(CONFIG_ION_ROCKCHIP)
3331                 if (rk_fb_alloc_buffer_by_ion(fbi, win, fb_mem_size) < 0)
3332                         return -ENOMEM;
3333 #else
3334                 fb_mem_virt = dma_alloc_writecombine(fbi->dev, fb_mem_size,
3335                                                      &fb_mem_phys, GFP_KERNEL);
3336                 if (!fb_mem_virt) {
3337                         pr_err("%s: Failed to allocate framebuffer\n",
3338                                __func__);
3339                         return -ENOMEM;
3340                 }
3341                 fbi->fix.smem_len = fb_mem_size;
3342                 fbi->fix.smem_start = fb_mem_phys;
3343                 fbi->screen_base = fb_mem_virt;
3344 #endif
3345                 memset(fbi->screen_base, 0, fbi->fix.smem_len);
3346         } else {
3347                 fbi->fix.smem_start = rk_fb->fb[0]->fix.smem_start;
3348                 fbi->fix.smem_len = rk_fb->fb[0]->fix.smem_len;
3349                 fbi->screen_base = rk_fb->fb[0]->screen_base;
3350         }
3351
3352         fbi->screen_size = fbi->fix.smem_len;
3353         fb_par->fb_phy_base = fbi->fix.smem_start;
3354         fb_par->fb_virt_base = fbi->screen_base;
3355         fb_par->fb_size = fbi->fix.smem_len;
3356
3357         pr_info("%s:phy:%lx>>vir:%p>>len:0x%x\n", fbi->fix.id,
3358                        fbi->fix.smem_start, fbi->screen_base,
3359                        fbi->fix.smem_len);
3360         return ret;
3361 }
3362
3363 #if 0
3364 static int rk_release_fb_buffer(struct fb_info *fbi)
3365 {
3366         /* buffer for fb1 and fb3 are alloc by android */
3367         if (!strcmp(fbi->fix.id, "fb1") || !strcmp(fbi->fix.id, "fb3"))
3368                 return 0;
3369         iounmap(fbi->screen_base);
3370         release_mem_region(fbi->fix.smem_start, fbi->fix.smem_len);
3371         return 0;
3372 }
3373 #endif
3374
3375 static int init_lcdc_win(struct rk_lcdc_driver *dev_drv,
3376                          struct rk_lcdc_win *def_win)
3377 {
3378         int i;
3379         int lcdc_win_num = dev_drv->lcdc_win_num;
3380
3381         for (i = 0; i < lcdc_win_num; i++) {
3382                 struct rk_lcdc_win *win = NULL;
3383                 win = kzalloc(sizeof(struct rk_lcdc_win), GFP_KERNEL);
3384                 if (!win) {
3385                         dev_err(dev_drv->dev, "kzmalloc for win fail!");
3386                         return -ENOMEM;
3387                 }
3388
3389                 strcpy(win->name, def_win[i].name);
3390                 win->id = def_win[i].id;
3391                 win->support_3d = def_win[i].support_3d;
3392                 dev_drv->win[i] = win;
3393         }
3394
3395         return 0;
3396 }
3397
3398 static int init_lcdc_device_driver(struct rk_fb *rk_fb,
3399                                    struct rk_lcdc_win *def_win, int index)
3400 {
3401         struct rk_lcdc_driver *dev_drv = rk_fb->lcdc_dev_drv[index];
3402         struct rk_screen *screen = devm_kzalloc(dev_drv->dev,
3403                                                 sizeof(struct rk_screen),
3404                                                 GFP_KERNEL);
3405
3406         if (!screen) {
3407                 dev_err(dev_drv->dev, "malloc screen for lcdc%d fail!",
3408                         dev_drv->id);
3409                 return -ENOMEM;
3410         }
3411
3412         screen->screen_id = 0;
3413         screen->lcdc_id = dev_drv->id;
3414         screen->overscan.left = 100;
3415         screen->overscan.top = 100;
3416         screen->overscan.right = 100;
3417         screen->overscan.bottom = 100;
3418
3419         screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3420         screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3421
3422         dev_drv->screen0 = screen;
3423         dev_drv->cur_screen = screen;
3424         /* devie use one lcdc + rk61x scaler for dual display */
3425         if (rk_fb->disp_mode == ONE_DUAL) {
3426                 struct rk_screen *screen1 =
3427                                 devm_kzalloc(dev_drv->dev,
3428                                              sizeof(struct rk_screen),
3429                                              GFP_KERNEL);
3430                 if (!screen1) {
3431                         dev_err(dev_drv->dev, "malloc screen1 for lcdc%d fail!",
3432                                 dev_drv->id);
3433                         return -ENOMEM;
3434                 }
3435                 screen1->screen_id = 1;
3436                 screen1->lcdc_id = 1;
3437                 dev_drv->screen1 = screen1;
3438         }
3439         sprintf(dev_drv->name, "lcdc%d", dev_drv->id);
3440         init_lcdc_win(dev_drv, def_win);
3441         init_completion(&dev_drv->frame_done);
3442         spin_lock_init(&dev_drv->cpl_lock);
3443         mutex_init(&dev_drv->fb_win_id_mutex);
3444         mutex_init(&dev_drv->win_config);
3445         mutex_init(&dev_drv->front_lock);
3446         dev_drv->ops->fb_win_remap(dev_drv, dev_drv->fb_win_map);
3447         dev_drv->first_frame = 1;
3448         dev_drv->overscan.left = 100;
3449         dev_drv->overscan.top = 100;
3450         dev_drv->overscan.right = 100;
3451         dev_drv->overscan.bottom = 100;
3452         rk_disp_pwr_ctr_parse_dt(dev_drv);
3453         if (dev_drv->prop == PRMRY) {
3454                 if (dev_drv->ops->set_dsp_cabc)
3455                         dev_drv->ops->set_dsp_cabc(dev_drv, dev_drv->cabc_mode);
3456                 rk_fb_set_prmry_screen(screen);
3457                 rk_fb_get_prmry_screen(screen);
3458         }
3459         dev_drv->trsm_ops = rk_fb_trsm_ops_get(screen->type);
3460         if (dev_drv->prop != PRMRY)
3461                 rk_fb_get_prmry_screen(screen);
3462         dev_drv->output_color = screen->color_mode;
3463
3464         return 0;
3465 }
3466
3467 #ifdef CONFIG_LOGO_LINUX_BMP
3468 static struct linux_logo *bmp_logo;
3469 static int fb_prewine_bmp_logo(struct fb_info *info, int rotate)
3470 {
3471         bmp_logo = fb_find_logo(24);
3472         if (bmp_logo == NULL) {
3473                 printk(KERN_INFO "%s error\n", __func__);
3474                 return 0;
3475         }
3476         return 1;
3477 }
3478
3479 static void fb_show_bmp_logo(struct fb_info *info, int rotate)
3480 {
3481         unsigned char *src = bmp_logo->data;
3482         unsigned char *dst = info->screen_base;
3483         int i;
3484         unsigned int Needwidth = (*(src - 24) << 8) | (*(src - 23));
3485         unsigned int Needheight = (*(src - 22) << 8) | (*(src - 21));
3486
3487         for (i = 0; i < Needheight; i++)
3488                 memcpy(dst + info->var.xres * i * 4,
3489                        src + bmp_logo->width * i * 4, Needwidth * 4);
3490 }
3491 #endif
3492
3493 /*
3494  * check if the primary lcdc has registerd,
3495  * the primary lcdc mas register first
3496  */
3497 bool is_prmry_rk_lcdc_registered(void)
3498 {
3499         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3500
3501         if (rk_fb->lcdc_dev_drv[0])
3502                 return true;
3503         else
3504                 return false;
3505 }
3506
3507 int rk_fb_register(struct rk_lcdc_driver *dev_drv,
3508                    struct rk_lcdc_win *win, int id)
3509 {
3510         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3511         struct fb_info *fbi;
3512         struct rk_fb_par *fb_par = NULL;
3513         int i = 0, ret = 0, index = 0;
3514
3515         if (rk_fb->num_lcdc == RK30_MAX_LCDC_SUPPORT)
3516                 return -ENXIO;
3517
3518         for (i = 0; i < RK30_MAX_LCDC_SUPPORT; i++) {
3519                 if (!rk_fb->lcdc_dev_drv[i]) {
3520                         rk_fb->lcdc_dev_drv[i] = dev_drv;
3521                         rk_fb->lcdc_dev_drv[i]->id = id;
3522                         rk_fb->num_lcdc++;
3523                         break;
3524                 }
3525         }
3526
3527         index = i;
3528         init_lcdc_device_driver(rk_fb, win, index);
3529         dev_drv->fb_index_base = rk_fb->num_fb;
3530         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3531                 fbi = framebuffer_alloc(0, &fb_pdev->dev);
3532                 if (!fbi) {
3533                         dev_err(&fb_pdev->dev, "fb framebuffer_alloc fail!");
3534                         ret = -ENOMEM;
3535                 }
3536                 fb_par = devm_kzalloc(&fb_pdev->dev, sizeof(struct rk_fb_par),
3537                                       GFP_KERNEL);
3538                 if (!fb_par) {
3539                         dev_err(&fb_pdev->dev, "malloc fb_par for fb%d fail!",
3540                                 rk_fb->num_fb);
3541                         return -ENOMEM;
3542                 }
3543                 fb_par->id = rk_fb->num_fb;
3544                 fb_par->lcdc_drv = dev_drv;
3545                 fbi->par = (void *)fb_par;
3546                 fbi->var = def_var;
3547                 fbi->fix = def_fix;
3548                 sprintf(fbi->fix.id, "fb%d", rk_fb->num_fb);
3549                 fb_videomode_to_var(&fbi->var, &dev_drv->cur_screen->mode);
3550                 fbi->var.grayscale |=
3551                     (fbi->var.xres << 8) + (fbi->var.yres << 20);
3552 #if defined(CONFIG_LOGO_LINUX_BMP)
3553                 fbi->var.bits_per_pixel = 32;
3554 #else
3555                 fbi->var.bits_per_pixel = 16;
3556 #endif
3557                 fbi->fix.line_length =
3558                     (fbi->var.xres_virtual) * (fbi->var.bits_per_pixel >> 3);
3559                 fbi->var.width = dev_drv->cur_screen->width;
3560                 fbi->var.height = dev_drv->cur_screen->height;
3561                 fbi->var.pixclock = dev_drv->pixclock;
3562                 if (dev_drv->iommu_enabled)
3563                         fb_ops.fb_mmap = rk_fb_mmap;
3564                 fbi->fbops = &fb_ops;
3565                 fbi->flags = FBINFO_FLAG_DEFAULT;
3566                 fbi->pseudo_palette = dev_drv->win[i]->pseudo_pal;
3567                 ret = register_framebuffer(fbi);
3568                 if (ret < 0) {
3569                         dev_err(&fb_pdev->dev,
3570                                 "%s fb%d register_framebuffer fail!\n",
3571                                 __func__, rk_fb->num_fb);
3572                         return ret;
3573                 }
3574                 rkfb_create_sysfs(fbi);
3575                 rk_fb->fb[rk_fb->num_fb] = fbi;
3576                 dev_info(fbi->dev, "rockchip framebuffer registerd:%s\n",
3577                          fbi->fix.id);
3578                 rk_fb->num_fb++;
3579
3580                 if (i == 0) {
3581                         init_waitqueue_head(&dev_drv->vsync_info.wait);
3582                         init_waitqueue_head(&dev_drv->update_regs_wait);
3583                         ret = device_create_file(fbi->dev, &dev_attr_vsync);
3584                         if (ret)
3585                                 dev_err(fbi->dev,
3586                                         "failed to create vsync file\n");
3587                         dev_drv->vsync_info.thread =
3588                             kthread_run(rk_fb_wait_for_vsync_thread, dev_drv,
3589                                         "fb-vsync");
3590                         if (dev_drv->vsync_info.thread == ERR_PTR(-ENOMEM)) {
3591                                 dev_err(fbi->dev,
3592                                         "failed to run vsync thread\n");
3593                                 dev_drv->vsync_info.thread = NULL;
3594                         }
3595                         dev_drv->vsync_info.active = 1;
3596
3597                         mutex_init(&dev_drv->output_lock);
3598
3599                         INIT_LIST_HEAD(&dev_drv->update_regs_list);
3600                         mutex_init(&dev_drv->update_regs_list_lock);
3601                         init_kthread_worker(&dev_drv->update_regs_worker);
3602
3603                         dev_drv->update_regs_thread =
3604                             kthread_run(kthread_worker_fn,
3605                                         &dev_drv->update_regs_worker, "rk-fb");
3606                         if (IS_ERR(dev_drv->update_regs_thread)) {
3607                                 int err = PTR_ERR(dev_drv->update_regs_thread);
3608                                 dev_drv->update_regs_thread = NULL;
3609
3610                                 printk("failed to run update_regs thread\n");
3611                                 return err;
3612                         }
3613                         init_kthread_work(&dev_drv->update_regs_work,
3614                                           rk_fb_update_regs_handler);
3615
3616                         dev_drv->timeline =
3617                             sw_sync_timeline_create("fb-timeline");
3618                         dev_drv->timeline_max = 1;
3619                 }
3620         }
3621
3622         /* show logo for primary display device */
3623 #if !defined(CONFIG_FRAMEBUFFER_CONSOLE)
3624         if (dev_drv->prop == PRMRY) {
3625                 u16 xact, yact;
3626                 int format;
3627                 u32 dsp_addr;
3628                 struct fb_info *main_fbi = rk_fb->fb[0];
3629                 main_fbi->fbops->fb_open(main_fbi, 1);
3630
3631 #if defined(CONFIG_ROCKCHIP_IOMMU)
3632                 if (dev_drv->iommu_enabled) {
3633                         if (dev_drv->mmu_dev)
3634                                 rockchip_iovmm_set_fault_handler(dev_drv->dev,
3635                                                 rk_fb_sysmmu_fault_handler);
3636                 }
3637 #endif
3638
3639                 rk_fb_alloc_buffer(main_fbi);   /* only alloc memory for main fb */
3640                 dev_drv->uboot_logo = support_uboot_display();
3641
3642                 if (dev_drv->uboot_logo &&
3643                     uboot_logo_offset && uboot_logo_base) {
3644                         int width, height, bits;
3645                         phys_addr_t start = uboot_logo_base + uboot_logo_offset;
3646                         unsigned int size = uboot_logo_size - uboot_logo_offset;
3647                         unsigned int nr_pages;
3648                         struct page **pages;
3649                         char *vaddr;
3650                         int i = 0;
3651
3652                         if (dev_drv->ops->get_dspbuf_info)
3653                                 dev_drv->ops->get_dspbuf_info(dev_drv, &xact,
3654                                         &yact, &format, &dsp_addr);
3655                         nr_pages = size >> PAGE_SHIFT;
3656                         pages = kzalloc(sizeof(struct page) * nr_pages,
3657                                         GFP_KERNEL);
3658                         while (i < nr_pages) {
3659                                 pages[i] = phys_to_page(start);
3660                                 start += PAGE_SIZE;
3661                                 i++;
3662                         }
3663                         vaddr = vmap(pages, nr_pages, VM_MAP,
3664                                         pgprot_writecombine(PAGE_KERNEL));
3665                         if (!vaddr) {
3666                                 pr_err("failed to vmap phy addr %x\n",
3667                                         uboot_logo_base + uboot_logo_offset);
3668                                 return -1;
3669                         }
3670
3671                         if(bmpdecoder(vaddr, main_fbi->screen_base, &width,
3672                                       &height, &bits)) {
3673                                 kfree(pages);
3674                                 vunmap(vaddr);
3675                                 return 0;
3676                         }
3677                         kfree(pages);
3678                         vunmap(vaddr);
3679                         if (dev_drv->uboot_logo &&
3680                             (width != xact || height != yact)) {
3681                                 pr_err("can't support uboot kernel logo use different size [%dx%d] != [%dx%d]\n",
3682                                         xact, yact, width, height);
3683                                 return 0;
3684                         }
3685
3686                         if (dev_drv->ops->post_dspbuf) {
3687                                 dev_drv->ops->post_dspbuf(dev_drv,
3688                                         main_fbi->fix.smem_start,
3689                                         rk_fb_data_fmt(0, bits),
3690                                         width, height, width * bits >> 5);
3691                         }
3692                         if (dev_drv->iommu_enabled) {
3693                                 rk_fb_poll_wait_frame_complete();
3694                                 if (dev_drv->ops->mmu_en)
3695                                         dev_drv->ops->mmu_en(dev_drv);
3696                                 freed_index = 0;
3697                         }
3698
3699                         return 0;
3700                 } else if (dev_drv->uboot_logo && uboot_logo_base) {
3701                         phys_addr_t start = uboot_logo_base;
3702                         int logo_len, i=0;
3703                         unsigned int nr_pages;
3704                         struct page **pages;
3705                         char *vaddr;
3706
3707                         dev_drv->ops->get_dspbuf_info(dev_drv, &xact,
3708                                                       &yact, &format,
3709                                                       &start);
3710                         logo_len = rk_fb_pixel_width(format) * xact * yact >> 3;
3711                         if (logo_len > uboot_logo_size ||
3712                             logo_len > main_fbi->fix.smem_len) {
3713                                 pr_err("logo size > uboot reserve buffer size\n");
3714                                 return -1;
3715                         }
3716
3717                         nr_pages = uboot_logo_size >> PAGE_SHIFT;
3718                         pages = kzalloc(sizeof(struct page) * nr_pages,
3719                                         GFP_KERNEL);
3720                         while (i < nr_pages) {
3721                                 pages[i] = phys_to_page(start);
3722                                 start += PAGE_SIZE;
3723                                 i++;
3724                         }
3725                         vaddr = vmap(pages, nr_pages, VM_MAP,
3726                                         pgprot_writecombine(PAGE_KERNEL));
3727                         if (!vaddr) {
3728                                 pr_err("failed to vmap phy addr %x\n",
3729                                         uboot_logo_base);
3730                                 return -1;
3731                         }
3732
3733                         memcpy(main_fbi->screen_base, vaddr, logo_len);
3734
3735                         kfree(pages);
3736                         vunmap(vaddr);
3737
3738                         dev_drv->ops->post_dspbuf(dev_drv,
3739                                         main_fbi->fix.smem_start,
3740                                         format, xact, yact,
3741                                         xact * rk_fb_pixel_width(format) >> 5);
3742                         if (dev_drv->iommu_enabled) {
3743                                 rk_fb_poll_wait_frame_complete();
3744                                 if (dev_drv->ops->mmu_en)
3745                                         dev_drv->ops->mmu_en(dev_drv);
3746                                 freed_index = 0;
3747                         }
3748                         return 0;
3749                 }
3750 #if defined(CONFIG_LOGO)
3751                 main_fbi->fbops->fb_set_par(main_fbi);
3752 #if  defined(CONFIG_LOGO_LINUX_BMP)
3753                 if (fb_prewine_bmp_logo(main_fbi, FB_ROTATE_UR)) {
3754                         fb_set_cmap(&main_fbi->cmap, main_fbi);
3755                         fb_show_bmp_logo(main_fbi, FB_ROTATE_UR);
3756                 }
3757 #else
3758                 if (fb_prepare_logo(main_fbi, FB_ROTATE_UR)) {
3759                         fb_set_cmap(&main_fbi->cmap, main_fbi);
3760                         fb_show_logo(main_fbi, FB_ROTATE_UR);
3761                 }
3762 #endif
3763                 main_fbi->fbops->fb_pan_display(&main_fbi->var, main_fbi);
3764 #endif
3765         } else {
3766                 struct fb_info *extend_fbi = rk_fb->fb[rk_fb->num_fb >> 1];
3767
3768                 rk_fb_alloc_buffer(extend_fbi);
3769         }
3770 #endif
3771         return 0;
3772 }
3773
3774 int rk_fb_unregister(struct rk_lcdc_driver *dev_drv)
3775 {
3776         struct rk_fb *fb_inf = platform_get_drvdata(fb_pdev);
3777         struct fb_info *fbi;
3778         int fb_index_base = dev_drv->fb_index_base;
3779         int fb_num = dev_drv->lcdc_win_num;
3780         int i = 0;
3781
3782         if (fb_inf->lcdc_dev_drv[i]->vsync_info.thread) {
3783                 fb_inf->lcdc_dev_drv[i]->vsync_info.irq_stop = 1;
3784                 kthread_stop(fb_inf->lcdc_dev_drv[i]->vsync_info.thread);
3785         }
3786
3787         for (i = 0; i < fb_num; i++)
3788                 kfree(dev_drv->win[i]);
3789
3790         for (i = fb_index_base; i < (fb_index_base + fb_num); i++) {
3791                 fbi = fb_inf->fb[i];
3792                 unregister_framebuffer(fbi);
3793                 /* rk_release_fb_buffer(fbi); */
3794                 framebuffer_release(fbi);
3795         }
3796         fb_inf->lcdc_dev_drv[dev_drv->id] = NULL;
3797         fb_inf->num_lcdc--;
3798
3799         return 0;
3800 }
3801
3802 static int rk_fb_probe(struct platform_device *pdev)
3803 {
3804         struct rk_fb *rk_fb = NULL;
3805         struct device_node *np = pdev->dev.of_node;
3806         u32 mode;
3807
3808         if (!np) {
3809                 dev_err(&pdev->dev, "Missing device tree node.\n");
3810                 return -EINVAL;
3811         }
3812
3813         rk_fb = devm_kzalloc(&pdev->dev, sizeof(struct rk_fb), GFP_KERNEL);
3814         if (!rk_fb) {
3815                 dev_err(&pdev->dev, "kmalloc for rk fb fail!");
3816                 return -ENOMEM;
3817         }
3818         platform_set_drvdata(pdev, rk_fb);
3819
3820         if (!of_property_read_u32(np, "rockchip,disp-mode", &mode)) {
3821                 rk_fb->disp_mode = mode;
3822
3823         } else {
3824                 dev_err(&pdev->dev, "no disp-mode node found!");
3825                 return -ENODEV;
3826         }
3827
3828         if (!of_property_read_u32(np, "rockchip,disp-policy", &mode)) {
3829                 rk_fb->disp_policy = mode;
3830                 pr_info("fb disp policy is %s\n", rk_fb->disp_policy ? "box":"sdk");
3831         }
3832
3833         if (!of_property_read_u32(np, "rockchip,uboot-logo-on", &uboot_logo_on))
3834                 printk(KERN_DEBUG "uboot-logo-on:%d\n", uboot_logo_on);
3835
3836         dev_set_name(&pdev->dev, "rockchip-fb");
3837 #if defined(CONFIG_ION_ROCKCHIP)
3838         rk_fb->ion_client = rockchip_ion_client_create("rk_fb");
3839         if (IS_ERR(rk_fb->ion_client)) {
3840                 dev_err(&pdev->dev, "failed to create ion client for rk fb");
3841                 return PTR_ERR(rk_fb->ion_client);
3842         } else {
3843                 dev_info(&pdev->dev, "rk fb ion client create success!\n");
3844         }
3845 #endif
3846
3847         fb_pdev = pdev;
3848         dev_info(&pdev->dev, "rockchip framebuffer driver probe\n");
3849         return 0;
3850 }
3851
3852 static int rk_fb_remove(struct platform_device *pdev)
3853 {
3854         struct rk_fb *rk_fb = platform_get_drvdata(pdev);
3855
3856         kfree(rk_fb);
3857         platform_set_drvdata(pdev, NULL);
3858         return 0;
3859 }
3860
3861 static void rk_fb_shutdown(struct platform_device *pdev)
3862 {
3863         struct rk_fb *rk_fb = platform_get_drvdata(pdev);
3864         int i;
3865
3866         for (i = 0; i < rk_fb->num_lcdc; i++) {
3867                 if (!rk_fb->lcdc_dev_drv[i])
3868                         continue;
3869         }
3870 }
3871
3872 static const struct of_device_id rkfb_dt_ids[] = {
3873         {.compatible = "rockchip,rk-fb",},
3874         {}
3875 };
3876
3877 static struct platform_driver rk_fb_driver = {
3878         .probe = rk_fb_probe,
3879         .remove = rk_fb_remove,
3880         .driver = {
3881                    .name = "rk-fb",
3882                    .owner = THIS_MODULE,
3883                    .of_match_table = of_match_ptr(rkfb_dt_ids),
3884                    },
3885         .shutdown = rk_fb_shutdown,
3886 };
3887
3888 static int __init rk_fb_init(void)
3889 {
3890         return platform_driver_register(&rk_fb_driver);
3891 }
3892
3893 static void __exit rk_fb_exit(void)
3894 {
3895         platform_driver_unregister(&rk_fb_driver);
3896 }
3897
3898 fs_initcall(rk_fb_init);
3899 module_exit(rk_fb_exit);