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         case FBDC_ARGB_888:
 152         case FBDC_ABGR_888:
 153         case FBDC_RGBX_888:
 154                 pixel_width = 4 * 8;
 155                 break;
 156         case RGB888:
 157                 pixel_width = 3 * 8;
 158                 break;
 159         case RGB565:
 160         case FBDC_RGB_565:
 161                 pixel_width = 2 * 8;
 162                 break;
 163         case YUV422:
 164         case YUV420:
 165         case YUV420_NV21:
 166         case YUV444:
 167                 pixel_width = 1 * 8;
 168                 break;
 169         case YUV422_A:
 170         case YUV420_A:
 171         case YUV444_A:
 172                 pixel_width = 8;
 173                 break;
 174         default:
 175                 printk(KERN_WARNING "%s:un supported format:0x%x\n",
 176                        __func__, data_format);
 177                 return -EINVAL;
 178         }
 179         return pixel_width;
 180 }
 181
 182 static int rk_fb_data_fmt(int data_format, int bits_per_pixel)
 183 {
 184         int fb_data_fmt;
 185         if (data_format) {
 186                 switch (data_format) {
 187                 case HAL_PIXEL_FORMAT_RGBX_8888:
 188                         fb_data_fmt = XBGR888;
 189                         break;
 190                 case HAL_PIXEL_FORMAT_RGBA_8888:
 191                         fb_data_fmt = ABGR888;
 192                         break;
 193                 case HAL_PIXEL_FORMAT_BGRA_8888:
 194                         fb_data_fmt = ARGB888;
 195                         break;
 196                 case HAL_PIXEL_FORMAT_RGB_888:
 197                         fb_data_fmt = RGB888;
 198                         break;
 199                 case HAL_PIXEL_FORMAT_RGB_565:
 200                         fb_data_fmt = RGB565;
 201                         break;
 202                 case HAL_PIXEL_FORMAT_YCbCr_422_SP:     /* yuv422 */
 203                         fb_data_fmt = YUV422;
 204                         break;
 205                 case HAL_PIXEL_FORMAT_YCrCb_420_SP:     /* YUV420---vuvuvu */
 206                         fb_data_fmt = YUV420_NV21;
 207                         break;
 208                 case HAL_PIXEL_FORMAT_YCrCb_NV12:       /* YUV420---uvuvuv */
 209                         fb_data_fmt = YUV420;
 210                         break;
 211                 case HAL_PIXEL_FORMAT_YCrCb_444:        /* yuv444 */
 212                         fb_data_fmt = YUV444;
 213                         break;
 214                 case HAL_PIXEL_FORMAT_YCrCb_NV12_10:    /* yuv444 */
 215                         fb_data_fmt = YUV420_A;
 216                         break;
 217                 case HAL_PIXEL_FORMAT_YCbCr_422_SP_10:  /* yuv444 */
 218                         fb_data_fmt = YUV422_A;
 219                         break;
 220                 case HAL_PIXEL_FORMAT_YCrCb_420_SP_10:  /* yuv444 */
 221                         fb_data_fmt = YUV444_A;
 222                         break;
 223                 case HAL_PIXEL_FORMAT_FBDC_RGB565:      /* fbdc rgb565*/
 224                         fb_data_fmt = FBDC_RGB_565;
 225                         break;
 226                 case HAL_PIXEL_FORMAT_FBDC_U8U8U8U8:    /* fbdc argb888 */
 227                         fb_data_fmt = FBDC_ARGB_888;
 228                         break;
 229                 case HAL_PIXEL_FORMAT_FBDC_RGBA888:     /* fbdc abgr888 */
 230                         fb_data_fmt = FBDC_ABGR_888;
 231                         break;
 232                 case HAL_PIXEL_FORMAT_FBDC_U8U8U8:      /* fbdc rgb888 */
 233                         fb_data_fmt = FBDC_RGBX_888;
 234                         break;
 235                 default:
 236                         printk(KERN_WARNING "%s:un supported format:0x%x\n",
 237                                __func__, data_format);
 238                         return -EINVAL;
 239                 }
 240         } else {
 241                 switch (bits_per_pixel) {
 242                 case 32:
 243                         fb_data_fmt = ARGB888;
 244                         break;
 245                 case 24:
 246                         fb_data_fmt = RGB888;
 247                         break;
 248                 case 16:
 249                         fb_data_fmt = RGB565;
 250                         break;
 251                 default:
 252                         printk(KERN_WARNING
 253                                "%s:un supported bits_per_pixel:%d\n", __func__,
 254                                bits_per_pixel);
 255                         break;
 256                 }
 257         }
 258         return fb_data_fmt;
 259 }
 260
 261 /*
 262  * rk display power control parse from dts
 263  */
 264 int rk_disp_pwr_ctr_parse_dt(struct rk_lcdc_driver *dev_drv)
 265 {
 266         struct device_node *root = of_get_child_by_name(dev_drv->dev->of_node,
 267                                                         "power_ctr");
 268         struct device_node *child;
 269         struct rk_disp_pwr_ctr_list *pwr_ctr;
 270         struct list_head *pos;
 271         enum of_gpio_flags flags;
 272         u32 val = 0;
 273         u32 debug = 0;
 274         int ret;
 275
 276         INIT_LIST_HEAD(&dev_drv->pwrlist_head);
 277         if (!root) {
 278                 dev_err(dev_drv->dev, "can't find power_ctr node for lcdc%d\n",
 279                         dev_drv->id);
 280                 return -ENODEV;
 281         }
 282
 283         for_each_child_of_node(root, child) {
 284                 pwr_ctr = kmalloc(sizeof(struct rk_disp_pwr_ctr_list),
 285                                   GFP_KERNEL);
 286                 strcpy(pwr_ctr->pwr_ctr.name, child->name);
 287                 if (!of_property_read_u32(child, "rockchip,power_type", &val)) {
 288                         if (val == GPIO) {
 289                                 pwr_ctr->pwr_ctr.type = GPIO;
 290                                 pwr_ctr->pwr_ctr.gpio = of_get_gpio_flags(child, 0, &flags);
 291                                 if (!gpio_is_valid(pwr_ctr->pwr_ctr.gpio)) {
 292                                         dev_err(dev_drv->dev, "%s ivalid gpio\n",
 293                                                 child->name);
 294                                         return -EINVAL;
 295                                 }
 296                                 pwr_ctr->pwr_ctr.atv_val = !(flags & OF_GPIO_ACTIVE_LOW);
 297                                 ret = gpio_request(pwr_ctr->pwr_ctr.gpio,
 298                                                    child->name);
 299                                 if (ret) {
 300                                         dev_err(dev_drv->dev,
 301                                                 "request %s gpio fail:%d\n",
 302                                                 child->name, ret);
 303                                 }
 304
 305                         } else {
 306                                 pwr_ctr->pwr_ctr.type = REGULATOR;
 307                                 pwr_ctr->pwr_ctr.rgl_name = NULL;
 308                                 ret = of_property_read_string(child, "rockchip,regulator_name",
 309                                                              &(pwr_ctr->pwr_ctr.rgl_name));
 310                                 if (ret || IS_ERR_OR_NULL(pwr_ctr->pwr_ctr.rgl_name))
 311                                         dev_err(dev_drv->dev, "get regulator name failed!\n");
 312                                 if (!of_property_read_u32(child, "rockchip,regulator_voltage", &val))
 313                                         pwr_ctr->pwr_ctr.volt = val;
 314                                 else
 315                                         pwr_ctr->pwr_ctr.volt = 0;
 316                         }
 317                 };
 318
 319                 if (!of_property_read_u32(child, "rockchip,delay", &val))
 320                         pwr_ctr->pwr_ctr.delay = val;
 321                 else
 322                         pwr_ctr->pwr_ctr.delay = 0;
 323                 list_add_tail(&pwr_ctr->list, &dev_drv->pwrlist_head);
 324         }
 325
 326         of_property_read_u32(root, "rockchip,debug", &debug);
 327
 328         if (debug) {
 329                 list_for_each(pos, &dev_drv->pwrlist_head) {
 330                         pwr_ctr = list_entry(pos, struct rk_disp_pwr_ctr_list,
 331                                              list);
 332                         printk(KERN_INFO "pwr_ctr_name:%s\n"
 333                                "pwr_type:%s\n"
 334                                "gpio:%d\n"
 335                                "atv_val:%d\n"
 336                                "delay:%d\n\n",
 337                                pwr_ctr->pwr_ctr.name,
 338                                (pwr_ctr->pwr_ctr.type == GPIO) ? "gpio" : "regulator",
 339                                pwr_ctr->pwr_ctr.gpio,
 340                                pwr_ctr->pwr_ctr.atv_val,
 341                                pwr_ctr->pwr_ctr.delay);
 342                 }
 343         }
 344
 345         return 0;
 346
 347 }
 348
 349 int rk_disp_pwr_enable(struct rk_lcdc_driver *dev_drv)
 350 {
 351         struct list_head *pos;
 352         struct rk_disp_pwr_ctr_list *pwr_ctr_list;
 353         struct pwr_ctr *pwr_ctr;
 354         struct regulator *regulator_lcd = NULL;
 355         int count = 10;
 356
 357         if (list_empty(&dev_drv->pwrlist_head))
 358                 return 0;
 359         list_for_each(pos, &dev_drv->pwrlist_head) {
 360                 pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list,
 361                                           list);
 362                 pwr_ctr = &pwr_ctr_list->pwr_ctr;
 363                 if (pwr_ctr->type == GPIO) {
 364                         gpio_direction_output(pwr_ctr->gpio, pwr_ctr->atv_val);
 365                         mdelay(pwr_ctr->delay);
 366                 } else if (pwr_ctr->type == REGULATOR) {
 367                         if (pwr_ctr->rgl_name)
 368                                 regulator_lcd = regulator_get(NULL, pwr_ctr->rgl_name);
 369                         if (regulator_lcd == NULL) {
 370                                 dev_err(dev_drv->dev,
 371                                         "%s: regulator get failed,regulator name:%s\n",
 372                                         __func__, pwr_ctr->rgl_name);
 373                                 continue;
 374                         }
 375                         regulator_set_voltage(regulator_lcd, pwr_ctr->volt, pwr_ctr->volt);
 376                         while (!regulator_is_enabled(regulator_lcd)) {
 377                                 if (regulator_enable(regulator_lcd) == 0 || count == 0)
 378                                         break;
 379                                 else
 380                                         dev_err(dev_drv->dev,
 381                                                 "regulator_enable failed,count=%d\n",
 382                                                 count);
 383                                 count--;
 384                         }
 385                         regulator_put(regulator_lcd);
 386                         msleep(pwr_ctr->delay);
 387                 }
 388         }
 389
 390         return 0;
 391 }
 392
 393 int rk_disp_pwr_disable(struct rk_lcdc_driver *dev_drv)
 394 {
 395         struct list_head *pos;
 396         struct rk_disp_pwr_ctr_list *pwr_ctr_list;
 397         struct pwr_ctr *pwr_ctr;
 398         struct regulator *regulator_lcd = NULL;
 399         int count = 10;
 400
 401         if (list_empty(&dev_drv->pwrlist_head))
 402                 return 0;
 403         list_for_each(pos, &dev_drv->pwrlist_head) {
 404                 pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list,
 405                                           list);
 406                 pwr_ctr = &pwr_ctr_list->pwr_ctr;
 407                 if (pwr_ctr->type == GPIO) {
 408                         gpio_set_value(pwr_ctr->gpio, !pwr_ctr->atv_val);
 409                 } else if (pwr_ctr->type == REGULATOR) {
 410                         if (pwr_ctr->rgl_name)
 411                                 regulator_lcd = regulator_get(NULL, pwr_ctr->rgl_name);
 412                         if (regulator_lcd == NULL) {
 413                                 dev_err(dev_drv->dev,
 414                                         "%s: regulator get failed,regulator name:%s\n",
 415                                         __func__, pwr_ctr->rgl_name);
 416                                 continue;
 417                         }
 418                         while (regulator_is_enabled(regulator_lcd) > 0) {
 419                                 if (regulator_disable(regulator_lcd) == 0 || count == 0)
 420                                         break;
 421                                 else
 422                                         dev_err(dev_drv->dev,
 423                                                 "regulator_disable failed,count=%d\n",
 424                                                 count);
 425                                 count--;
 426                         }
 427                         regulator_put(regulator_lcd);
 428                 }
 429         }
 430         return 0;
 431 }
 432
 433 int rk_fb_video_mode_from_timing(const struct display_timing *dt,
 434                                  struct rk_screen *screen)
 435 {
 436         screen->mode.pixclock = dt->pixelclock.typ;
 437         screen->mode.left_margin = dt->hback_porch.typ;
 438         screen->mode.right_margin = dt->hfront_porch.typ;
 439         screen->mode.xres = dt->hactive.typ;
 440         screen->mode.hsync_len = dt->hsync_len.typ;
 441         screen->mode.upper_margin = dt->vback_porch.typ;
 442         screen->mode.lower_margin = dt->vfront_porch.typ;
 443         screen->mode.yres = dt->vactive.typ;
 444         screen->mode.vsync_len = dt->vsync_len.typ;
 445         screen->type = dt->screen_type;
 446         screen->lvds_format = dt->lvds_format;
 447         screen->face = dt->face;
 448         screen->color_mode = dt->color_mode;
 449         screen->dsp_lut = dt->dsp_lut;
 450         screen->cabc_lut = dt->cabc_lut;
 451
 452         if (dt->flags & DISPLAY_FLAGS_PIXDATA_POSEDGE)
 453                 screen->pin_dclk = 1;
 454         else
 455                 screen->pin_dclk = 0;
 456         if (dt->flags & DISPLAY_FLAGS_HSYNC_HIGH)
 457                 screen->pin_hsync = 1;
 458         else
 459                 screen->pin_hsync = 0;
 460         if (dt->flags & DISPLAY_FLAGS_VSYNC_HIGH)
 461                 screen->pin_vsync = 1;
 462         else
 463                 screen->pin_vsync = 0;
 464         if (dt->flags & DISPLAY_FLAGS_DE_HIGH)
 465                 screen->pin_den = 1;
 466         else
 467                 screen->pin_den = 0;
 468
 469         return 0;
 470
 471 }
 472
 473 int rk_fb_prase_timing_dt(struct device_node *np, struct rk_screen *screen)
 474 {
 475         struct display_timings *disp_timing;
 476         struct display_timing *dt;
 477         disp_timing = of_get_display_timings(np);
 478         if (!disp_timing) {
 479                 pr_err("parse display timing err\n");
 480                 return -EINVAL;
 481         }
 482         dt = display_timings_get(disp_timing, disp_timing->native_mode);
 483         rk_fb_video_mode_from_timing(dt, screen);
 484         return 0;
 485
 486 }
 487
 488 int rk_fb_calc_fps(struct rk_screen *screen, u32 pixclock)
 489 {
 490         int x, y;
 491         unsigned long long hz;
 492         if (!screen) {
 493                 printk(KERN_ERR "%s:null screen!\n", __func__);
 494                 return 0;
 495         }
 496         x = screen->mode.xres + screen->mode.left_margin +
 497             screen->mode.right_margin + screen->mode.hsync_len;
 498         y = screen->mode.yres + screen->mode.upper_margin +
 499             screen->mode.lower_margin + screen->mode.vsync_len;
 500
 501         hz = 1000000000000ULL;  /* 1e12 picoseconds per second */
 502
 503         hz += (x * y) / 2;
 504         do_div(hz, x * y);      /* divide by x * y with rounding */
 505
 506         hz += pixclock / 2;
 507         do_div(hz, pixclock);   /* divide by pixclock with rounding */
 508
 509         return hz;
 510 }
 511
 512 char *get_format_string(enum data_format format, char *fmt)
 513 {
 514         if (!fmt)
 515                 return NULL;
 516         switch (format) {
 517         case ARGB888:
 518                 strcpy(fmt, "ARGB888");
 519                 break;
 520         case RGB888:
 521                 strcpy(fmt, "RGB888");
 522                 break;
 523         case RGB565:
 524                 strcpy(fmt, "RGB565");
 525                 break;
 526         case YUV420:
 527         case YUV420_NV21:
 528                 strcpy(fmt, "YUV420");
 529                 break;
 530         case YUV422:
 531                 strcpy(fmt, "YUV422");
 532                 break;
 533         case YUV444:
 534                 strcpy(fmt, "YUV444");
 535                 break;
 536         case YUV420_A:
 537                 strcpy(fmt, "YUV420_A");
 538                 break;
 539         case YUV422_A:
 540                 strcpy(fmt, "YUV422_A");
 541                 break;
 542         case YUV444_A:
 543                 strcpy(fmt, "YUV444_A");
 544                 break;
 545         case XRGB888:
 546                 strcpy(fmt, "XRGB888");
 547                 break;
 548         case XBGR888:
 549                 strcpy(fmt, "XBGR888");
 550                 break;
 551         case ABGR888:
 552                 strcpy(fmt, "ABGR888");
 553                 break;
 554         case FBDC_RGB_565:
 555                 strcpy(fmt, "FBDC_RGB_565");
 556                 break;
 557         case FBDC_ARGB_888:
 558         case FBDC_ABGR_888:
 559                 strcpy(fmt, "FBDC_ARGB_888");
 560                 break;
 561         case FBDC_RGBX_888:
 562                 strcpy(fmt, "FBDC_RGBX_888");
 563                 break;
 564         default:
 565                 strcpy(fmt, "invalid");
 566                 break;
 567         }
 568
 569         return fmt;
 570
 571 }
 572
 573 /*
 574  * this is for hdmi
 575  * name: lcdc device name ,lcdc0 , lcdc1
 576  */
 577 struct rk_lcdc_driver *rk_get_lcdc_drv(char *name)
 578 {
 579         struct rk_fb *inf = NULL;
 580         struct rk_lcdc_driver *dev_drv = NULL;
 581         int i = 0;
 582
 583         if (likely(fb_pdev))
 584                 inf = platform_get_drvdata(fb_pdev);
 585         else
 586                 return NULL;
 587
 588         for (i = 0; i < inf->num_lcdc; i++) {
 589                 if (!strcmp(inf->lcdc_dev_drv[i]->name, name)) {
 590                         dev_drv = inf->lcdc_dev_drv[i];
 591                         break;
 592                 }
 593         }
 594
 595         return dev_drv;
 596 }
 597
 598 static struct rk_lcdc_driver *rk_get_prmry_lcdc_drv(void)
 599 {
 600         struct rk_fb *inf = NULL;
 601         struct rk_lcdc_driver *dev_drv = NULL;
 602         int i = 0;
 603
 604         if (likely(fb_pdev))
 605                 inf = platform_get_drvdata(fb_pdev);
 606         else
 607                 return NULL;
 608
 609         for (i = 0; i < inf->num_lcdc; i++) {
 610                 if (inf->lcdc_dev_drv[i]->prop == PRMRY) {
 611                         dev_drv = inf->lcdc_dev_drv[i];
 612                         break;
 613                 }
 614         }
 615
 616         return dev_drv;
 617 }
 618
 619 static __maybe_unused struct rk_lcdc_driver *rk_get_extend_lcdc_drv(void)
 620 {
 621         struct rk_fb *inf = NULL;
 622         struct rk_lcdc_driver *dev_drv = NULL;
 623         int i = 0;
 624
 625         if (likely(fb_pdev))
 626                 inf = platform_get_drvdata(fb_pdev);
 627         else
 628                 return NULL;
 629
 630         for (i = 0; i < inf->num_lcdc; i++) {
 631                 if (inf->lcdc_dev_drv[i]->prop == EXTEND) {
 632                         dev_drv = inf->lcdc_dev_drv[i];
 633                         break;
 634                 }
 635         }
 636
 637         return dev_drv;
 638 }
 639
 640 /*
 641  * get one frame time of the prmry screen, unit: us
 642  */
 643 u32 rk_fb_get_prmry_screen_ft(void)
 644 {
 645         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 646         uint32_t htotal, vtotal, pixclock_ps;
 647         u64 pix_total, ft_us;
 648
 649         if (unlikely(!dev_drv))
 650                 return 0;
 651
 652         pixclock_ps = dev_drv->pixclock;
 653
 654         vtotal = (dev_drv->cur_screen->mode.upper_margin +
 655                  dev_drv->cur_screen->mode.lower_margin +
 656                  dev_drv->cur_screen->mode.yres +
 657                  dev_drv->cur_screen->mode.vsync_len);
 658         htotal = (dev_drv->cur_screen->mode.left_margin +
 659                  dev_drv->cur_screen->mode.right_margin +
 660                  dev_drv->cur_screen->mode.xres +
 661                  dev_drv->cur_screen->mode.hsync_len);
 662         pix_total = htotal * vtotal;
 663         ft_us = pix_total * pixclock_ps;
 664         do_div(ft_us, 1000000);
 665         if (dev_drv->frame_time.ft == 0)
 666                 dev_drv->frame_time.ft = ft_us;
 667
 668         ft_us = dev_drv->frame_time.framedone_t - dev_drv->frame_time.last_framedone_t;
 669         do_div(ft_us, 1000);
 670         ft_us = min(dev_drv->frame_time.ft, (u32)ft_us);
 671         if (ft_us != 0)
 672                 dev_drv->frame_time.ft = ft_us;
 673
 674         return dev_drv->frame_time.ft;
 675 }
 676
 677 /*
 678  * get the vblanking time of the prmry screen, unit: us
 679  */
 680 u32 rk_fb_get_prmry_screen_vbt(void)
 681 {
 682         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 683         uint32_t htotal, vblank, pixclock_ps;
 684         u64 pix_blank, vbt_us;
 685
 686         if (unlikely(!dev_drv))
 687                 return 0;
 688
 689         pixclock_ps = dev_drv->pixclock;
 690
 691         htotal = (dev_drv->cur_screen->mode.left_margin +
 692                  dev_drv->cur_screen->mode.right_margin +
 693                  dev_drv->cur_screen->mode.xres +
 694                  dev_drv->cur_screen->mode.hsync_len);
 695         vblank = (dev_drv->cur_screen->mode.upper_margin +
 696                  dev_drv->cur_screen->mode.lower_margin +
 697                  dev_drv->cur_screen->mode.vsync_len);
 698         pix_blank = htotal * vblank;
 699         vbt_us = pix_blank * pixclock_ps;
 700         do_div(vbt_us, 1000000);
 701         return (u32)vbt_us;
 702 }
 703
 704 /*
 705  * get the frame done time of the prmry screen, unit: us
 706  */
 707 u64 rk_fb_get_prmry_screen_framedone_t(void)
 708 {
 709         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 710
 711         if (unlikely(!dev_drv))
 712                 return 0;
 713         else
 714                 return dev_drv->frame_time.framedone_t;
 715 }
 716
 717 /*
 718  * set prmry screen status
 719  */
 720 int rk_fb_set_prmry_screen_status(int status)
 721 {
 722         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 723         struct rk_screen *screen;
 724
 725         if (unlikely(!dev_drv))
 726                 return 0;
 727
 728         screen = dev_drv->cur_screen;
 729         switch (status) {
 730         case SCREEN_PREPARE_DDR_CHANGE:
 731                 if (screen->type == SCREEN_MIPI
 732                         || screen->type == SCREEN_DUAL_MIPI) {
 733                         if (dev_drv->trsm_ops->dsp_pwr_off)
 734                                 dev_drv->trsm_ops->dsp_pwr_off();
 735                 }
 736                 break;
 737         case SCREEN_UNPREPARE_DDR_CHANGE:
 738                 if (screen->type == SCREEN_MIPI
 739                         || screen->type == SCREEN_DUAL_MIPI) {
 740                         if (dev_drv->trsm_ops->dsp_pwr_on)
 741                                 dev_drv->trsm_ops->dsp_pwr_on();
 742                 }
 743                 break;
 744         default:
 745                 break;
 746         }
 747
 748         return 0;
 749 }
 750
 751 u32 rk_fb_get_prmry_screen_pixclock(void)
 752 {
 753         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 754
 755         if (unlikely(!dev_drv))
 756                 return 0;
 757         else
 758                 return dev_drv->pixclock;
 759 }
 760
 761 int rk_fb_poll_prmry_screen_vblank(void)
 762 {
 763         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 764
 765         if (likely(dev_drv)) {
 766                 if (dev_drv->ops->poll_vblank)
 767                         return dev_drv->ops->poll_vblank(dev_drv);
 768                 else
 769                         return RK_LF_STATUS_NC;
 770         } else {
 771                 return RK_LF_STATUS_NC;
 772         }
 773 }
 774
 775 bool rk_fb_poll_wait_frame_complete(void)
 776 {
 777         uint32_t timeout = RK_LF_MAX_TIMEOUT;
 778         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 779
 780         if (likely(dev_drv)) {
 781                 if (dev_drv->ops->set_irq_to_cpu)
 782                         dev_drv->ops->set_irq_to_cpu(dev_drv, 0);
 783         }
 784
 785         if (rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_NC) {
 786                 if (likely(dev_drv)) {
 787                         if (dev_drv->ops->set_irq_to_cpu)
 788                                 dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
 789                 }
 790                 return false;
 791         }
 792         while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FR) && --timeout)
 793                 ;
 794         while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FC) && --timeout)
 795                 ;
 796         if (likely(dev_drv)) {
 797                 if (dev_drv->ops->set_irq_to_cpu)
 798                         dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
 799         }
 800
 801         return true;
 802 }
 803
 804
 805 /* rk_fb_get_sysmmu_device_by_compatible()
 806  * @compt: dts device compatible name
 807  * return value: success: pointer to the device inside of platform device
 808  *               fail: NULL
 809  */
 810 struct device *rk_fb_get_sysmmu_device_by_compatible(const char *compt)
 811 {
 812         struct device_node *dn = NULL;
 813         struct platform_device *pd = NULL;
 814         struct device *ret = NULL ;
 815
 816         dn = of_find_compatible_node(NULL, NULL, compt);
 817         if (!dn) {
 818                 printk("can't find device node %s \r\n", compt);
 819                 return NULL;
 820         }
 821
 822         pd = of_find_device_by_node(dn);
 823         if (!pd) {
 824                 printk("can't find platform device in device node %s \r\n", compt);
 825                 return  NULL;
 826         }
 827         ret = &pd->dev;
 828
 829         return ret;
 830 }
 831
 832 #ifdef CONFIG_IOMMU_API
 833 void rk_fb_platform_set_sysmmu(struct device *sysmmu, struct device *dev)
 834 {
 835         dev->archdata.iommu = sysmmu;
 836 }
 837 #else
 838 void rk_fb_platform_set_sysmmu(struct device *sysmmu, struct device *dev)
 839 {
 840
 841 }
 842 #endif
 843
 844 static int rk_fb_open(struct fb_info *info, int user)
 845 {
 846         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
 847         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
 848         int win_id;
 849
 850         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
 851         fb_par->state++;
 852         /* if this win aready opened ,no need to reopen */
 853         if (dev_drv->win[win_id]->state)
 854                 return 0;
 855         else
 856                 dev_drv->ops->open(dev_drv, win_id, 1);
 857         return 0;
 858 }
 859
 860 static int rk_fb_close(struct fb_info *info, int user)
 861 {
 862         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
 863         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
 864         struct rk_lcdc_win *win = NULL;
 865         int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
 866
 867         if (win_id >= 0) {
 868                 win = dev_drv->win[win_id];
 869                 fb_par->state--;
 870                 if (!fb_par->state) {
 871                         if (fb_par->fb_phy_base > 0)
 872                                 info->fix.smem_start = fb_par->fb_phy_base;
 873                         info->var.xres = dev_drv->screen0->mode.xres;
 874                         info->var.yres = dev_drv->screen0->mode.yres;
 875                         /*
 876                         info->var.grayscale |=
 877                             (info->var.xres << 8) + (info->var.yres << 20);
 878                         */
 879                         info->var.xres_virtual = info->var.xres;
 880                         info->var.yres_virtual = info->var.yres;
 881 #if defined(CONFIG_LOGO_LINUX_BMP)
 882                         info->var.bits_per_pixel = 32;
 883 #else
 884                         info->var.bits_per_pixel = 16;
 885 #endif
 886                         info->fix.line_length =
 887                             (info->var.xres_virtual) * (info->var.bits_per_pixel >> 3);
 888                         info->var.width = dev_drv->screen0->width;
 889                         info->var.height = dev_drv->screen0->height;
 890                         info->var.pixclock = dev_drv->pixclock;
 891                         info->var.left_margin = dev_drv->screen0->mode.left_margin;
 892                         info->var.right_margin = dev_drv->screen0->mode.right_margin;
 893                         info->var.upper_margin = dev_drv->screen0->mode.upper_margin;
 894                         info->var.lower_margin = dev_drv->screen0->mode.lower_margin;
 895                         info->var.vsync_len = dev_drv->screen0->mode.vsync_len;
 896                         info->var.hsync_len = dev_drv->screen0->mode.hsync_len;
 897                 }
 898         }
 899
 900         return 0;
 901 }
 902
 903 #if defined(FB_ROATE_BY_KERNEL)
 904
 905 #if defined(CONFIG_RK29_IPP)
 906 static int get_ipp_format(int fmt)
 907 {
 908         int ipp_fmt = IPP_XRGB_8888;
 909         switch (fmt) {
 910         case HAL_PIXEL_FORMAT_RGBX_8888:
 911         case HAL_PIXEL_FORMAT_RGBA_8888:
 912         case HAL_PIXEL_FORMAT_BGRA_8888:
 913         case HAL_PIXEL_FORMAT_RGB_888:
 914                 ipp_fmt = IPP_XRGB_8888;
 915                 break;
 916         case HAL_PIXEL_FORMAT_RGB_565:
 917                 ipp_fmt = IPP_RGB_565;
 918                 break;
 919         case HAL_PIXEL_FORMAT_YCbCr_422_SP:
 920                 ipp_fmt = IPP_Y_CBCR_H2V1;
 921                 break;
 922         case HAL_PIXEL_FORMAT_YCrCb_NV12:
 923                 ipp_fmt = IPP_Y_CBCR_H2V2;
 924                 break;
 925         case HAL_PIXEL_FORMAT_YCrCb_444:
 926                 ipp_fmt = IPP_Y_CBCR_H1V1;
 927                 break;
 928         default:
 929                 ipp_fmt = IPP_IMGTYPE_LIMIT;
 930                 break;
 931         }
 932
 933         return ipp_fmt;
 934 }
 935
 936 static void ipp_win_check(int *dst_w, int *dst_h, int *dst_vir_w,
 937                           int rotation, int fmt)
 938 {
 939         int align16 = 2;
 940         int align64 = 8;
 941
 942         if (fmt == IPP_XRGB_8888) {
 943                 align16 = 1;
 944                 align64 = 2;
 945         } else if (fmt == IPP_RGB_565) {
 946                 align16 = 1;
 947                 align64 = 4;
 948         } else {
 949                 align16 = 2;
 950                 align64 = 8;
 951         }
 952         align16 -= 1;           /*for YUV, 1 */
 953         align64 -= 1;           /*for YUV, 7 */
 954
 955         if (rotation == IPP_ROT_0) {
 956                 if (fmt > IPP_RGB_565) {
 957                         if ((*dst_w & 1) != 0)
 958                                 *dst_w = *dst_w + 1;
 959                         if ((*dst_h & 1) != 0)
 960                                 *dst_h = *dst_h + 1;
 961                         if (*dst_vir_w < *dst_w)
 962                                 *dst_vir_w = *dst_w;
 963                 }
 964         } else {
 965                 if ((*dst_w & align64) != 0)
 966                         *dst_w = (*dst_w + align64) & (~align64);
 967                 if ((fmt > IPP_RGB_565) && ((*dst_h & 1) == 1))
 968                         *dst_h = *dst_h + 1;
 969                 if (*dst_vir_w < *dst_w)
 970                         *dst_vir_w = *dst_w;
 971         }
 972 }
 973
 974 static void fb_copy_by_ipp(struct fb_info *dst_info,
 975                                 struct fb_info *src_info)
 976 {
 977         struct rk29_ipp_req ipp_req;
 978         uint32_t rotation = 0;
 979         int dst_w, dst_h, dst_vir_w;
 980         int ipp_fmt;
 981         u8 data_format = (dst_info->var.nonstd) & 0xff;
 982         struct rk_fb_par *fb_par = (struct rk_fb_par *)dst_info->par;
 983         struct rk_lcdc_driver *ext_dev_drv = fb_par->lcdc_drv;
 984         u16 orientation = ext_dev_drv->rotate_mode;
 985
 986         memset(&ipp_req, 0, sizeof(struct rk29_ipp_req));
 987
 988         switch (orientation) {
 989         case 0:
 990                 rotation = IPP_ROT_0;
 991                 break;
 992         case ROTATE_90:
 993                 rotation = IPP_ROT_90;
 994                 break;
 995         case ROTATE_180:
 996                 rotation = IPP_ROT_180;
 997                 break;
 998         case ROTATE_270:
 999                 rotation = IPP_ROT_270;
1000                 break;
1001         default:
1002                 rotation = IPP_ROT_270;
1003                 break;
1004         }
1005
1006         dst_w = dst_info->var.xres;
1007         dst_h = dst_info->var.yres;
1008         dst_vir_w = dst_info->var.xres_virtual;
1009         ipp_fmt = get_ipp_format(data_format);
1010         ipp_win_check(&dst_w, &dst_h, &dst_vir_w, rotation, ipp_fmt);
1011         ipp_req.src0.YrgbMst = src_info->fix.smem_start + offset;
1012         ipp_req.src0.w = src_info->var.xres;
1013         ipp_req.src0.h = src_info->var.yres;
1014         ipp_req.src_vir_w = src_info->var.xres_virtual;
1015         ipp_req.src0.fmt = ipp_fmt;
1016
1017         ipp_req.dst0.YrgbMst = dst_info->fix.smem_start + offset;
1018         ipp_req.dst0.w = dst_w;
1019         ipp_req.dst0.h = dst_h;
1020         ipp_req.dst_vir_w = dst_vir_w;
1021         ipp_req.dst0.fmt = ipp_fmt;
1022
1023         ipp_req.timeout = 100;
1024         ipp_req.flag = rotation;
1025         ipp_blit_sync(&ipp_req);
1026 }
1027
1028 #endif
1029
1030 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1031 static int get_rga_format(int fmt)
1032 {
1033         int rga_fmt = 0;
1034
1035         switch (fmt) {
1036         case XBGR888:
1037                 rga_fmt = RK_FORMAT_RGBX_8888;
1038                 break;
1039         case ABGR888:
1040                 rga_fmt = RK_FORMAT_RGBA_8888;
1041                 break;
1042         case ARGB888:
1043                 rga_fmt = RK_FORMAT_BGRA_8888;
1044                 break;
1045         case RGB888:
1046                 rga_fmt = RK_FORMAT_RGB_888;
1047                 break;
1048         case RGB565:
1049                 rga_fmt = RK_FORMAT_RGB_565;
1050                 break;
1051         case YUV422:
1052                 rga_fmt = RK_FORMAT_YCbCr_422_SP;
1053                 break;
1054         case YUV420:
1055                 rga_fmt = RK_FORMAT_YCbCr_420_SP;
1056                 break;
1057         default:
1058                 rga_fmt = RK_FORMAT_RGBA_8888;
1059                 break;
1060         }
1061
1062         return rga_fmt;
1063 }
1064
1065 static void rga_win_check(struct rk_lcdc_win *dst_win,
1066                           struct rk_lcdc_win *src_win)
1067 {
1068         int format = 0;
1069
1070         format = get_rga_format(src_win->area[0].format);
1071         /* width and height must be even number */
1072         if (format >= RK_FORMAT_YCbCr_422_SP &&
1073             format <= RK_FORMAT_YCrCb_420_P) {
1074                 if ((src_win->area[0].xact % 2) != 0)
1075                         src_win->area[0].xact += 1;
1076                 if ((src_win->area[0].yact % 2) != 0)
1077                         src_win->area[0].yact += 1;
1078         }
1079         if (src_win->area[0].xvir < src_win->area[0].xact)
1080                 src_win->area[0].xvir = src_win->area[0].xact;
1081         if (src_win->area[0].yvir < src_win->area[0].yact)
1082                 src_win->area[0].yvir = src_win->area[0].yact;
1083
1084         format = get_rga_format(dst_win->area[0].format);
1085         if (format >= RK_FORMAT_YCbCr_422_SP &&
1086             format <= RK_FORMAT_YCrCb_420_P) {
1087                 if ((dst_win->area[0].xact % 2) != 0)
1088                         dst_win->area[0].xact += 1;
1089                 if ((dst_win->area[0].yact % 2) != 0)
1090                         dst_win->area[0].yact += 1;
1091         }
1092         if (dst_win->area[0].xvir < dst_win->area[0].xact)
1093                 dst_win->area[0].xvir = dst_win->area[0].xact;
1094         if (dst_win->area[0].yvir < dst_win->area[0].yact)
1095                 dst_win->area[0].yvir = dst_win->area[0].yact;
1096 }
1097
1098 static void win_copy_by_rga(struct rk_lcdc_win *dst_win,
1099                             struct rk_lcdc_win *src_win,
1100                             u16 orientation, int iommu_en)
1101 {
1102         struct rga_req Rga_Request;
1103         long ret = 0;
1104         /* int fd = 0; */
1105
1106         memset(&Rga_Request, 0, sizeof(Rga_Request));
1107         rga_win_check(dst_win, src_win);
1108
1109         switch (orientation) {
1110         case ROTATE_90:
1111                 Rga_Request.rotate_mode = 1;
1112                 Rga_Request.sina = 65536;
1113                 Rga_Request.cosa = 0;
1114                 Rga_Request.dst.act_w = dst_win->area[0].yact;
1115                 Rga_Request.dst.act_h = dst_win->area[0].xact;
1116                 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1117                 Rga_Request.dst.y_offset = 0;
1118                 break;
1119         case ROTATE_180:
1120                 Rga_Request.rotate_mode = 1;
1121                 Rga_Request.sina = 0;
1122                 Rga_Request.cosa = -65536;
1123                 Rga_Request.dst.act_w = dst_win->area[0].xact;
1124                 Rga_Request.dst.act_h = dst_win->area[0].yact;
1125                 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1126                 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1127                 break;
1128         case ROTATE_270:
1129                 Rga_Request.rotate_mode = 1;
1130                 Rga_Request.sina = -65536;
1131                 Rga_Request.cosa = 0;
1132                 Rga_Request.dst.act_w = dst_win->area[0].yact;
1133                 Rga_Request.dst.act_h = dst_win->area[0].xact;
1134                 Rga_Request.dst.x_offset = 0;
1135                 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1136                 break;
1137         default:
1138                 Rga_Request.rotate_mode = 0;
1139                 Rga_Request.dst.act_w = dst_win->area[0].xact;
1140                 Rga_Request.dst.act_h = dst_win->area[0].yact;
1141                 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1142                 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1143                 break;
1144         }
1145
1146 /*
1147         fd = ion_share_dma_buf_fd(rk_fb->ion_client, src_win->area[0].ion_hdl);
1148         Rga_Request.src.yrgb_addr = fd;
1149         fd = ion_share_dma_buf_fd(rk_fb->ion_client, dst_win->area[0].ion_hdl);
1150         Rga_Request.dst.yrgb_addr = fd;
1151 */
1152         Rga_Request.src.yrgb_addr = 0;
1153         Rga_Request.src.uv_addr =
1154             src_win->area[0].smem_start + src_win->area[0].y_offset;
1155         Rga_Request.src.v_addr = 0;
1156
1157         Rga_Request.dst.yrgb_addr = 0;
1158         Rga_Request.dst.uv_addr =
1159             dst_win->area[0].smem_start + dst_win->area[0].y_offset;
1160         Rga_Request.dst.v_addr = 0;
1161
1162         Rga_Request.src.vir_w = src_win->area[0].xvir;
1163         Rga_Request.src.vir_h = src_win->area[0].yvir;
1164         Rga_Request.src.format = get_rga_format(src_win->area[0].format);
1165         Rga_Request.src.act_w = src_win->area[0].xact;
1166         Rga_Request.src.act_h = src_win->area[0].yact;
1167         Rga_Request.src.x_offset = 0;
1168         Rga_Request.src.y_offset = 0;
1169
1170         Rga_Request.dst.vir_w = dst_win->area[0].xvir;
1171         Rga_Request.dst.vir_h = dst_win->area[0].yvir;
1172         Rga_Request.dst.format = get_rga_format(dst_win->area[0].format);
1173
1174         Rga_Request.clip.xmin = 0;
1175         Rga_Request.clip.xmax = dst_win->area[0].xact - 1;
1176         Rga_Request.clip.ymin = 0;
1177         Rga_Request.clip.ymax = dst_win->area[0].yact - 1;
1178         Rga_Request.scale_mode = 0;
1179 #if defined(CONFIG_ROCKCHIP_IOMMU)
1180         if (iommu_en) {
1181                 Rga_Request.mmu_info.mmu_en = 1;
1182                 Rga_Request.mmu_info.mmu_flag = 1;
1183         } else {
1184                 Rga_Request.mmu_info.mmu_en = 0;
1185                 Rga_Request.mmu_info.mmu_flag = 0;
1186         }
1187 #else
1188         Rga_Request.mmu_info.mmu_en = 0;
1189         Rga_Request.mmu_info.mmu_flag = 0;
1190 #endif
1191
1192         ret = rga_ioctl_kernel(&Rga_Request);
1193 }
1194
1195 /*
1196  * This function is used for copying fb by RGA Module
1197  * RGA only support copy RGB to RGB
1198  * RGA2 support copy RGB to RGB and YUV to YUV
1199  */
1200 static void fb_copy_by_rga(struct fb_info *dst_info,
1201                                 struct fb_info *src_info)
1202 {
1203         struct rk_fb_par *src_fb_par = (struct rk_fb_par *)src_info->par;
1204         struct rk_fb_par *dst_fb_par = (struct rk_fb_par *)dst_info->par;
1205         struct rk_lcdc_driver *dev_drv = src_fb_par->lcdc_drv;
1206         struct rk_lcdc_driver *ext_dev_drv = dst_fb_par->lcdc_drv;
1207         int win_id = 0, ext_win_id;
1208         struct rk_lcdc_win *src_win, *dst_win;
1209
1210         win_id = dev_drv->ops->fb_get_win_id(dev_drv, src_info->fix.id);
1211         src_win = dev_drv->win[win_id];
1212
1213         ext_win_id =
1214             ext_dev_drv->ops->fb_get_win_id(ext_dev_drv, dst_info->fix.id);
1215         dst_win = ext_dev_drv->win[ext_win_id];
1216
1217         win_copy_by_rga(dst_win, src_win, ext_dev_drv->rotate_mode,
1218                         ext_dev_drv->iommu_enabled);
1219 }
1220 #endif
1221
1222 static int rk_fb_rotate(struct fb_info *dst_info,
1223                           struct fb_info *src_info)
1224 {
1225
1226 #if defined(CONFIG_RK29_IPP)
1227         fb_copy_by_ipp(dst_info, src_info);
1228 #elif defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1229         fb_copy_by_rga(dst_info, src_info);
1230 #else
1231         return -1;
1232 #endif
1233         return 0;
1234 }
1235
1236 static int __maybe_unused rk_fb_win_rotate(struct rk_lcdc_win *dst_win,
1237                                             struct rk_lcdc_win *src_win,
1238                                             u16 rotate, int iommu_en)
1239 {
1240 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1241         win_copy_by_rga(dst_win, src_win, rotate, iommu_en);
1242 #else
1243         return -1;
1244 #endif
1245         return 0;
1246 }
1247
1248 #endif
1249
1250 static int rk_fb_pan_display(struct fb_var_screeninfo *var,
1251                              struct fb_info *info)
1252 {
1253         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1254         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1255         struct fb_fix_screeninfo *fix = &info->fix;
1256         int win_id = 0;
1257         struct rk_lcdc_win *win = NULL;
1258         struct rk_screen *screen = dev_drv->cur_screen;
1259         u32 xoffset = var->xoffset;
1260         u32 yoffset = var->yoffset;
1261         u32 xvir = var->xres_virtual;
1262         u8 pixel_width;
1263         u32 vir_width_bit;
1264         u32 stride, uv_stride;
1265         u32 stride_32bit_1;
1266         u32 stride_32bit_2;
1267         u16 uv_x_off, uv_y_off, uv_y_act;
1268         u8 is_pic_yuv = 0;
1269
1270         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1271         if (win_id < 0)
1272                 return -ENODEV;
1273         else
1274                 win = dev_drv->win[win_id];
1275
1276         pixel_width = rk_fb_pixel_width(win->area[0].format);
1277         vir_width_bit = pixel_width * xvir;
1278         stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
1279         stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
1280
1281         switch (win->area[0].format) {
1282         case YUV422:
1283         case YUV422_A:
1284                 is_pic_yuv = 1;
1285                 stride = stride_32bit_1;
1286                 uv_stride = stride_32bit_1 >> 1;
1287                 uv_x_off = xoffset >> 1;
1288                 uv_y_off = yoffset;
1289                 fix->line_length = stride;
1290                 uv_y_act = win->area[0].yact >> 1;
1291                 break;
1292         case YUV420:            /* nv12 */
1293         case YUV420_NV21:       /* nv21 */
1294         case YUV420_A:
1295                 is_pic_yuv = 1;
1296                 stride = stride_32bit_1;
1297                 uv_stride = stride_32bit_1;
1298                 uv_x_off = xoffset;
1299                 uv_y_off = yoffset >> 1;
1300                 fix->line_length = stride;
1301                 uv_y_act = win->area[0].yact >> 1;
1302                 break;
1303         case YUV444:
1304         case YUV444_A:
1305                 is_pic_yuv = 1;
1306                 stride = stride_32bit_1;
1307                 uv_stride = stride_32bit_2;
1308                 uv_x_off = xoffset * 2;
1309                 uv_y_off = yoffset;
1310                 fix->line_length = stride << 2;
1311                 uv_y_act = win->area[0].yact;
1312                 break;
1313         default:
1314                 stride = stride_32bit_1;        /* default rgb */
1315                 fix->line_length = stride;
1316                 break;
1317         }
1318
1319         /* x y mirror ,jump line */
1320         if ((screen->y_mirror == 1) ||
1321             (win->mirror_en == 1)) {
1322                 if (screen->interlace == 1) {
1323                         win->area[0].y_offset = yoffset * stride * 2 +
1324                             ((win->area[0].yact - 1) * 2 + 1) * stride +
1325                             xoffset * pixel_width / 8;
1326                 } else {
1327                         win->area[0].y_offset = yoffset * stride +
1328                             (win->area[0].yact - 1) * stride +
1329                             xoffset * pixel_width / 8;
1330                 }
1331         } else {
1332                 if (screen->interlace == 1) {
1333                         win->area[0].y_offset =
1334                             yoffset * stride * 2 + xoffset * pixel_width / 8;
1335                 } else {
1336                         win->area[0].y_offset =
1337                             yoffset * stride + xoffset * pixel_width / 8;
1338                 }
1339         }
1340         if (is_pic_yuv == 1) {
1341                 if ((screen->y_mirror == 1) ||
1342                     (win->mirror_en == 1)) {
1343                         if (screen->interlace == 1) {
1344                                 win->area[0].c_offset =
1345                                     uv_y_off * uv_stride * 2 +
1346                                     ((uv_y_act - 1) * 2 + 1) * uv_stride +
1347                                     uv_x_off * pixel_width / 8;
1348                         } else {
1349                                 win->area[0].c_offset = uv_y_off * uv_stride +
1350                                     (uv_y_act - 1) * uv_stride +
1351                                     uv_x_off * pixel_width / 8;
1352                         }
1353                 } else {
1354                         if (screen->interlace == 1) {
1355                                 win->area[0].c_offset =
1356                                     uv_y_off * uv_stride * 2 +
1357                                     uv_x_off * pixel_width / 8;
1358                         } else {
1359                                 win->area[0].c_offset =
1360                                     uv_y_off * uv_stride +
1361                                     uv_x_off * pixel_width / 8;
1362                         }
1363                 }
1364         }
1365
1366         win->area[0].smem_start = fix->smem_start;
1367         win->area[0].cbr_start = fix->mmio_start;
1368         win->area[0].state = 1;
1369         win->area_num = 1;
1370
1371         dev_drv->ops->pan_display(dev_drv, win_id);
1372
1373 #ifdef  CONFIG_FB_MIRRORING
1374         if (video_data_to_mirroring)
1375                 video_data_to_mirroring(info, NULL);
1376 #endif
1377         dev_drv->ops->cfg_done(dev_drv);
1378
1379         return 0;
1380 }
1381
1382 static int rk_fb_get_list_stat(struct rk_lcdc_driver *dev_drv)
1383 {
1384         int i, j;
1385
1386         i = list_empty(&dev_drv->update_regs_list);
1387         j = list_empty(&dev_drv->saved_list);
1388         return i == j ? 0 : 1;
1389 }
1390
1391 void rk_fd_fence_wait(struct rk_lcdc_driver *dev_drv, struct sync_fence *fence)
1392 {
1393         int err = sync_fence_wait(fence, 1000);
1394
1395         if (err >= 0)
1396                 return;
1397
1398         if (err == -ETIME)
1399                 err = sync_fence_wait(fence, 10 * MSEC_PER_SEC);
1400
1401         if (err < 0)
1402                 printk("error waiting on fence\n");
1403 }
1404 #if 0
1405 static int rk_fb_copy_from_loader(struct fb_info *info)
1406 {
1407         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1408         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1409         void *dst = info->screen_base;
1410         u32 dsp_addr[4];
1411         u32 src;
1412         u32 i,size;
1413         int win_id;
1414         struct rk_lcdc_win *win;
1415
1416         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1417         win = dev_drv->win[win_id];
1418         size = (win->area[0].xact) * (win->area[0].yact) << 2;
1419         dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1420         src = dsp_addr[win_id];
1421         dev_info(info->dev, "copy fb data %d x %d  from  dst_addr:%08x\n",
1422                  win->area[0].xact, win->area[0].yact, src);
1423         for (i = 0; i < size; i += PAGE_SIZE) {
1424                 void *page = phys_to_page(i + src);
1425                 void *from_virt = kmap(page);
1426                 void *to_virt = dst + i;
1427                 memcpy(to_virt, from_virt, PAGE_SIZE);
1428         }
1429         dev_drv->ops->direct_set_addr(dev_drv, win_id,
1430                                       info->fix.smem_start);
1431         return 0;
1432 }
1433 #endif
1434 #ifdef CONFIG_ROCKCHIP_IOMMU
1435 static int g_last_addr[4];
1436 int g_last_timeout;
1437 u32 freed_addr[10];
1438 u32 freed_index;
1439
1440 #define DUMP_CHUNK 256
1441 char buf[PAGE_SIZE];
1442
1443 int rk_fb_sysmmu_fault_handler(struct device *dev,
1444                                enum rk_iommu_inttype itype,
1445                                unsigned long pgtable_base,
1446                                unsigned long fault_addr, unsigned int status)
1447 {
1448         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
1449         int i = 0;
1450         static int page_fault_cnt;
1451         if ((page_fault_cnt++) >= 10)
1452                 return 0;
1453         pr_err
1454             ("PAGE FAULT occurred at 0x%lx (Page table base: 0x%lx),status=%d\n",
1455              fault_addr, pgtable_base, status);
1456         printk("last config addr:\n" "win0:0x%08x\n" "win1:0x%08x\n"
1457                "win2:0x%08x\n" "win3:0x%08x\n", g_last_addr[0], g_last_addr[1],
1458                g_last_addr[2], g_last_addr[3]);
1459         printk("last freed buffer:\n");
1460         for (i = 0; (freed_addr[i] != 0xfefefefe) && freed_addr[i]; i++)
1461                 printk("%d:0x%08x\n", i, freed_addr[i]);
1462         printk("last timeout:%d\n", g_last_timeout);
1463         dev_drv->ops->get_disp_info(dev_drv, buf, 0);
1464         for (i = 0; i < PAGE_SIZE; i += DUMP_CHUNK) {
1465                 if ((PAGE_SIZE - i) > DUMP_CHUNK) {
1466                         char c = buf[i + DUMP_CHUNK];
1467                         buf[i + DUMP_CHUNK] = 0;
1468                         pr_cont("%s", buf + i);
1469                         buf[i + DUMP_CHUNK] = c;
1470                 } else {
1471                         buf[PAGE_SIZE - 1] = 0;
1472                         pr_cont("%s", buf + i);
1473                 }
1474         }
1475
1476         return 0;
1477 }
1478 #endif
1479
1480 void rk_fb_free_dma_buf(struct rk_lcdc_driver *dev_drv,
1481                         struct rk_fb_reg_win_data *reg_win_data)
1482 {
1483         int i, index_buf;
1484         struct rk_fb_reg_area_data *area_data;
1485         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1486
1487         for (i = 0; i < reg_win_data->area_num; i++) {
1488                 area_data = &reg_win_data->reg_area_data[i];
1489                 index_buf = area_data->index_buf;
1490 #if defined(CONFIG_ROCKCHIP_IOMMU)
1491                 if (dev_drv->iommu_enabled) {
1492                         if (rk_fb->disp_policy != DISPLAY_POLICY_BOX)
1493                                 ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client,
1494                                                 area_data->ion_handle);
1495                         freed_addr[freed_index++] = area_data->smem_start;
1496                 }
1497 #endif
1498                 if (area_data->ion_handle != NULL)
1499                         ion_free(rk_fb->ion_client, area_data->ion_handle);
1500
1501                 if (area_data->acq_fence)
1502                         sync_fence_put(area_data->acq_fence);
1503         }
1504         memset(reg_win_data, 0, sizeof(struct rk_fb_reg_win_data));
1505 }
1506
1507 static void rk_fb_update_win(struct rk_lcdc_driver *dev_drv,
1508                                 struct rk_lcdc_win *win,
1509                                 struct rk_fb_reg_win_data *reg_win_data)
1510 {
1511         int i = 0;
1512         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
1513         struct rk_screen *cur_screen;
1514         struct rk_screen primary_screen;
1515
1516         if (unlikely(!inf) || unlikely(!dev_drv) ||
1517             unlikely(!win) || unlikely(!reg_win_data))
1518                 return;
1519
1520         cur_screen = dev_drv->cur_screen;
1521         rk_fb_get_prmry_screen(&primary_screen);
1522
1523         win->area_num = reg_win_data->area_num;
1524         win->id = reg_win_data->win_id;
1525         win->z_order = reg_win_data->z_order;
1526
1527         if (reg_win_data->reg_area_data[0].smem_start > 0) {
1528                 win->state = 1;
1529                 win->area_num = reg_win_data->area_num;
1530                 win->id = reg_win_data->win_id;
1531                 win->z_order = reg_win_data->z_order;
1532                 win->area[0].uv_vir_stride =
1533                     reg_win_data->reg_area_data[0].uv_vir_stride;
1534                 win->area[0].cbr_start =
1535                     reg_win_data->reg_area_data[0].cbr_start;
1536                 win->area[0].c_offset = reg_win_data->reg_area_data[0].c_offset;
1537                 win->alpha_en = reg_win_data->alpha_en;
1538                 win->alpha_mode = reg_win_data->alpha_mode;
1539                 win->g_alpha_val = reg_win_data->g_alpha_val;
1540                 win->mirror_en = reg_win_data->mirror_en;
1541                 win->area[0].fbdc_en =
1542                         reg_win_data->reg_area_data[0].fbdc_en;
1543                 win->area[0].fbdc_cor_en =
1544                         reg_win_data->reg_area_data[0].fbdc_cor_en;
1545                 win->area[0].fbdc_data_format =
1546                         reg_win_data->reg_area_data[0].fbdc_data_format;
1547                 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
1548                         if (reg_win_data->reg_area_data[i].smem_start > 0) {
1549                                 win->area[i].format =
1550                                         reg_win_data->reg_area_data[i].data_format;
1551                                 if (inf->disp_policy != DISPLAY_POLICY_BOX)
1552                                         win->area[i].ion_hdl =
1553                                         reg_win_data->reg_area_data[i].ion_handle;
1554                                 win->area[i].smem_start =
1555                                         reg_win_data->reg_area_data[i].smem_start;
1556                                 if (inf->disp_mode == DUAL ||
1557                                     inf->disp_mode == NO_DUAL ||
1558                                     inf->disp_policy == DISPLAY_POLICY_BOX) {
1559                                         win->area[i].xpos =
1560                                                 reg_win_data->reg_area_data[i].xpos;
1561                                         win->area[i].ypos =
1562                                                 reg_win_data->reg_area_data[i].ypos;
1563                                         win->area[i].xsize =
1564                                                 reg_win_data->reg_area_data[i].xsize;
1565                                         win->area[i].ysize =
1566                                                 reg_win_data->reg_area_data[i].ysize;
1567                                 } else {
1568                                         win->area[i].xpos =
1569                                                 reg_win_data->reg_area_data[i].xpos *
1570                                                 cur_screen->mode.xres /
1571                                                 primary_screen.mode.xres;
1572                                         win->area[i].ypos =
1573                                                 reg_win_data->reg_area_data[i].ypos *
1574                                                 cur_screen->mode.yres /
1575                                                 primary_screen.mode.yres;
1576                                         win->area[i].xsize =
1577                                                 reg_win_data->reg_area_data[i].xsize *
1578                                                 cur_screen->mode.xres /
1579                                                 primary_screen.mode.xres;
1580                                         win->area[i].ysize =
1581                                                 reg_win_data->reg_area_data[i].ysize *
1582                                                 cur_screen->mode.yres /
1583                                                 primary_screen.mode.yres;
1584
1585                                         /* recalc display size if set hdmi scaler when at ONE_DUAL mode */
1586                                         if (inf->disp_mode == ONE_DUAL && hdmi_switch_complete) {
1587                                                 if (cur_screen->xsize > 0 &&
1588                                                     cur_screen->xsize <= cur_screen->mode.xres) {
1589                                                         win->area[i].xpos =
1590                                                                 ((cur_screen->mode.xres - cur_screen->xsize) >> 1) +
1591                                                                 cur_screen->xsize * win->area[i].xpos / cur_screen->mode.xres;
1592                                                         win->area[i].xsize =
1593                                                                 win->area[i].xsize * cur_screen->xsize / cur_screen->mode.xres;
1594                                                 }
1595                                                 if (cur_screen->ysize > 0 && cur_screen->ysize <= cur_screen->mode.yres) {
1596                                                         win->area[i].ypos =
1597                                                                 ((cur_screen->mode.yres - cur_screen->ysize) >> 1) +
1598                                                                 cur_screen->ysize * win->area[i].ypos / cur_screen->mode.yres;
1599                                                         win->area[i].ysize =
1600                                                                 win->area[i].ysize * cur_screen->ysize / cur_screen->mode.yres;
1601                                                 }
1602                                         }
1603                                 }
1604                                 win->area[i].xact =
1605                                     reg_win_data->reg_area_data[i].xact;
1606                                 win->area[i].yact =
1607                                     reg_win_data->reg_area_data[i].yact;
1608                                 win->area[i].xvir =
1609                                     reg_win_data->reg_area_data[i].xvir;
1610                                 win->area[i].yvir =
1611                                     reg_win_data->reg_area_data[i].yvir;
1612                                 win->area[i].xoff =
1613                                     reg_win_data->reg_area_data[i].xoff;
1614                                 win->area[i].yoff =
1615                                     reg_win_data->reg_area_data[i].yoff;
1616                                 win->area[i].y_offset =
1617                                     reg_win_data->reg_area_data[i].y_offset;
1618                                 win->area[i].y_vir_stride =
1619                                     reg_win_data->reg_area_data[i].y_vir_stride;
1620                                 win->area[i].state = 1;
1621                         } else {
1622                                 win->area[i].state = 0;
1623                         }
1624                 }
1625         } else {
1626         /*
1627                 win->state = 0;
1628                 win->z_order = -1;
1629         */
1630         }
1631 }
1632
1633 static struct rk_fb_reg_win_data *rk_fb_get_win_data(struct rk_fb_reg_data
1634                                                      *regs, int win_id)
1635 {
1636         int i;
1637         struct rk_fb_reg_win_data *win_data = NULL;
1638         for (i = 0; i < regs->win_num; i++) {
1639                 if (regs->reg_win_data[i].win_id == win_id) {
1640                         win_data = &(regs->reg_win_data[i]);
1641                         break;
1642                 }
1643         }
1644
1645         return win_data;
1646 }
1647
1648 static void rk_fb_update_reg(struct rk_lcdc_driver *dev_drv,
1649                              struct rk_fb_reg_data *regs)
1650 {
1651         int i, j;
1652         struct rk_lcdc_win *win;
1653         ktime_t timestamp = dev_drv->vsync_info.timestamp;
1654         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1655         struct rk_fb_reg_win_data *win_data;
1656         bool wait_for_vsync;
1657         int count = 100;
1658         unsigned int dsp_addr[4];
1659         long timeout;
1660         int win_status = 0;
1661
1662         /* acq_fence wait */
1663         for (i = 0; i < regs->win_num; i++) {
1664                 win_data = &regs->reg_win_data[i];
1665                 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1666                         if (win_data->reg_area_data[j].acq_fence) {
1667                                 /* printk("acq_fence wait!!!!!\n"); */
1668                                 rk_fd_fence_wait(dev_drv, win_data->reg_area_data[j].acq_fence);
1669                         }
1670                 }
1671         }
1672
1673         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1674                 win = dev_drv->win[i];
1675                 win_data = rk_fb_get_win_data(regs, i);
1676                 if (win_data) {
1677                         if (rk_fb->disp_policy == DISPLAY_POLICY_BOX &&
1678                             (win_data->reg_area_data[0].data_format == YUV420 ||
1679                              win_data->reg_area_data[0].data_format == YUV420_NV21 ||
1680                              win_data->reg_area_data[0].data_format == YUV420_A))
1681                                 continue;
1682                         mutex_lock(&dev_drv->win_config);
1683                         rk_fb_update_win(dev_drv, win, win_data);
1684                         win->state = 1;
1685                         dev_drv->ops->set_par(dev_drv, i);
1686                         dev_drv->ops->pan_display(dev_drv, i);
1687                         mutex_unlock(&dev_drv->win_config);
1688 #if defined(CONFIG_ROCKCHIP_IOMMU)
1689                         if (dev_drv->iommu_enabled) {
1690                                 g_last_addr[i] = win_data->reg_area_data[0].smem_start +
1691                                         win_data->reg_area_data[0].y_offset;
1692                         }
1693 #endif
1694                 } else {
1695                         win->z_order = -1;
1696                         win->state = 0;
1697                 }
1698         }
1699         dev_drv->ops->ovl_mgr(dev_drv, 0, 1);
1700         dev_drv->ops->cfg_done(dev_drv);
1701
1702         do {
1703                 timestamp = dev_drv->vsync_info.timestamp;
1704                 timeout = wait_event_interruptible_timeout(dev_drv->vsync_info.wait,
1705                                 ktime_compare(dev_drv->vsync_info.timestamp, timestamp) > 0,
1706                                 msecs_to_jiffies(25));
1707
1708                 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1709                 wait_for_vsync = false;
1710                 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1711                         if (rk_fb->disp_policy == DISPLAY_POLICY_BOX &&
1712                             (!strcmp(dev_drv->win[i]->name, "hwc")))
1713                                 continue;
1714                         if (dev_drv->win[i]->state == 1) {
1715                                 u32 new_start =
1716                                     dev_drv->win[i]->area[0].smem_start +
1717                                     dev_drv->win[i]->area[0].y_offset;
1718                                 u32 reg_start = dsp_addr[i];
1719
1720                                 if ((rk_fb->disp_policy ==
1721                                      DISPLAY_POLICY_BOX) &&
1722                                     (dev_drv->suspend_flag))
1723                                         continue;
1724                                 if (unlikely(new_start != reg_start)) {
1725                                         wait_for_vsync = true;
1726                                         dev_info(dev_drv->dev,
1727                                                "win%d:new_addr:0x%08x cur_addr:0x%08x--%d\n",
1728                                                i, new_start, reg_start, 101 - count);
1729                                         break;
1730                                 }
1731                         } else if (dev_drv->win[i]->state == 0) {
1732                                 if (dev_drv->ops->get_win_state) {
1733                                         win_status =
1734                                         dev_drv->ops->get_win_state(dev_drv, i);
1735                                         if (win_status)
1736                                                wait_for_vsync = true;
1737                                 }
1738                         } else {
1739                                 pr_err("!!!win[%d]state:%d,error!!!\n",
1740                                         i, dev_drv->win[i]->state);
1741                         }
1742                 }
1743         } while (wait_for_vsync && count--);
1744 #ifdef H_USE_FENCE
1745         sw_sync_timeline_inc(dev_drv->timeline, 1);
1746 #endif
1747         if (dev_drv->front_regs) {
1748 #if defined(CONFIG_ROCKCHIP_IOMMU)
1749                 if (dev_drv->iommu_enabled) {
1750                         if (dev_drv->ops->mmu_en)
1751                                 dev_drv->ops->mmu_en(dev_drv);
1752                         freed_index = 0;
1753                         g_last_timeout = timeout;
1754                 }
1755 #endif
1756
1757                 mutex_lock(&dev_drv->front_lock);
1758
1759                 for (i = 0; i < dev_drv->front_regs->win_num; i++) {
1760                         win_data = &dev_drv->front_regs->reg_win_data[i];
1761                         rk_fb_free_dma_buf(dev_drv, win_data);
1762                 }
1763                 kfree(dev_drv->front_regs);
1764
1765                 mutex_unlock(&dev_drv->front_lock);
1766
1767 #if defined(CONFIG_ROCKCHIP_IOMMU)
1768                 if (dev_drv->iommu_enabled)
1769                         freed_addr[freed_index] = 0xfefefefe;
1770 #endif
1771         }
1772
1773         mutex_lock(&dev_drv->front_lock);
1774
1775         dev_drv->front_regs = regs;
1776
1777         mutex_unlock(&dev_drv->front_lock);
1778 }
1779
1780 static void rk_fb_update_regs_handler(struct kthread_work *work)
1781 {
1782         struct rk_lcdc_driver *dev_drv =
1783             container_of(work, struct rk_lcdc_driver, update_regs_work);
1784         struct rk_fb_reg_data *data, *next;
1785
1786         mutex_lock(&dev_drv->update_regs_list_lock);
1787         dev_drv->saved_list = dev_drv->update_regs_list;
1788         list_replace_init(&dev_drv->update_regs_list, &dev_drv->saved_list);
1789         mutex_unlock(&dev_drv->update_regs_list_lock);
1790
1791         list_for_each_entry_safe(data, next, &dev_drv->saved_list, list) {
1792                 rk_fb_update_reg(dev_drv, data);
1793                 list_del(&data->list);
1794         }
1795
1796         if (dev_drv->wait_fs && list_empty(&dev_drv->update_regs_list))
1797                 wake_up(&dev_drv->update_regs_wait);
1798 }
1799
1800 static int rk_fb_check_config_var(struct rk_fb_area_par *area_par,
1801                                   struct rk_screen *screen)
1802 {
1803         if ((area_par->x_offset + area_par->xact > area_par->xvir) ||
1804             (area_par->xact <= 0) || (area_par->yact <= 0) ||
1805             (area_par->xvir <= 0) || (area_par->yvir <= 0)) {
1806                 pr_err("check config var fail 0:\n"
1807                        "x_offset=%d,xact=%d,xvir=%d\n",
1808                        area_par->x_offset, area_par->xact, area_par->xvir);
1809                 return -EINVAL;
1810         }
1811
1812         if ((area_par->xpos + area_par->xsize > screen->mode.xres) ||
1813             (area_par->ypos + area_par->ysize > screen->mode.yres) ||
1814             (area_par->xsize <= 0) || (area_par->ysize <= 0)) {
1815                 pr_warn("check config var fail 1:\n"
1816                        "xpos=%d,xsize=%d,xres=%d\n"
1817                        "ypos=%d,ysize=%d,yres=%d\n",
1818                        area_par->xpos, area_par->xsize, screen->mode.xres,
1819                        area_par->ypos, area_par->ysize, screen->mode.yres);
1820                 return -EINVAL;
1821         }
1822         return 0;
1823 }
1824
1825 static int rk_fb_set_win_buffer(struct fb_info *info,
1826                                 struct rk_fb_win_par *win_par,
1827                                 struct rk_fb_reg_win_data *reg_win_data)
1828 {
1829         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
1830         struct fb_fix_screeninfo *fix = &info->fix;
1831         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1832         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1833         /*if hdmi size move to hwc,screen should point to cur_screen*/
1834         struct rk_screen *screen = dev_drv->screen0;/*cur_screen;*/
1835         struct fb_info *fbi;
1836         int i, ion_fd, acq_fence_fd;
1837         u32 xvir, yvir;
1838         u32 xoffset, yoffset;
1839
1840         struct ion_handle *hdl;
1841         size_t len;
1842         int index_buf;
1843         u8 fb_data_fmt;
1844         u8 pixel_width;
1845         u32 vir_width_bit;
1846         u32 stride, uv_stride;
1847         u32 stride_32bit_1;
1848         u32 stride_32bit_2;
1849         u16 uv_x_off, uv_y_off, uv_y_act;
1850         u8 is_pic_yuv = 0;
1851         u8 ppixel_a = 0, global_a = 0;
1852         ion_phys_addr_t phy_addr;
1853         int ret = 0;
1854         int buff_len;
1855
1856         reg_win_data->reg_area_data[0].smem_start = -1;
1857         reg_win_data->area_num = 0;
1858         fbi = rk_fb->fb[reg_win_data->win_id];
1859         if (win_par->area_par[0].phy_addr == 0) {
1860                 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
1861                         ion_fd = win_par->area_par[i].ion_fd;
1862                         if (ion_fd > 0) {
1863                                 hdl =
1864                                     ion_import_dma_buf(rk_fb->ion_client,
1865                                                        ion_fd);
1866                                 if (IS_ERR(hdl)) {
1867                                         pr_info("%s: Could not import handle:"
1868                                                 " %ld\n", __func__, (long)hdl);
1869                                         /*return -EINVAL; */
1870                                         break;
1871                                 }
1872                                 reg_win_data->area_num++;
1873                                 reg_win_data->reg_area_data[i].ion_handle = hdl;
1874 #ifndef CONFIG_ROCKCHIP_IOMMU
1875                                 ret = ion_phys(rk_fb->ion_client, hdl, &phy_addr,
1876                                                 &len);
1877 #else
1878                                 if (dev_drv->iommu_enabled)
1879                                         ret = ion_map_iommu(dev_drv->dev,
1880                                                                 rk_fb->ion_client,
1881                                                                 hdl,
1882                                                                 (unsigned long *)&phy_addr,
1883                                                                 (unsigned long *)&len);
1884                                 else
1885                                         ret = ion_phys(rk_fb->ion_client, hdl,
1886                                                         &phy_addr, &len);
1887 #endif
1888                                 if (ret < 0) {
1889                                         dev_err(fbi->dev, "ion map to get phy addr failed\n");
1890                                         ion_free(rk_fb->ion_client, hdl);
1891                                         return -ENOMEM;
1892                                 }
1893                                 reg_win_data->reg_area_data[i].smem_start = phy_addr;
1894                                 reg_win_data->area_buf_num++;
1895                                 reg_win_data->reg_area_data[i].index_buf = 1;
1896                                 reg_win_data->reg_area_data[i].buff_len = len;
1897                         }
1898                 }
1899         } else {
1900                 reg_win_data->reg_area_data[0].smem_start =
1901                     win_par->area_par[0].phy_addr;
1902                 reg_win_data->area_num = 1;
1903                 fbi->screen_base = phys_to_virt(win_par->area_par[0].phy_addr);
1904         }
1905
1906         if (reg_win_data->area_num == 0)
1907                 return 0;
1908
1909         for (i = 0; i < reg_win_data->area_num; i++) {
1910                 acq_fence_fd = win_par->area_par[i].acq_fence_fd;
1911                 index_buf = reg_win_data->reg_area_data[i].index_buf;
1912                 if ((acq_fence_fd > 0) && (index_buf == 1)) {
1913                         reg_win_data->reg_area_data[i].acq_fence =
1914                             sync_fence_fdget(win_par->area_par[i].acq_fence_fd);
1915                 }
1916         }
1917         if (reg_win_data->reg_area_data[0].smem_start > 0) {
1918                 reg_win_data->z_order = win_par->z_order;
1919                 reg_win_data->win_id = win_par->win_id;
1920         } else {
1921                 reg_win_data->z_order = -1;
1922                 reg_win_data->win_id = -1;
1923         }
1924
1925         reg_win_data->mirror_en = win_par->mirror_en;
1926         for (i = 0; i < reg_win_data->area_num; i++) {
1927                 rk_fb_check_config_var(&win_par->area_par[i], screen);
1928
1929                 fb_data_fmt = rk_fb_data_fmt(win_par->area_par[i].data_format, 0);
1930                 reg_win_data->reg_area_data[i].data_format = fb_data_fmt;
1931                 if (fb_data_fmt >= FBDC_RGB_565) {
1932                         reg_win_data->reg_area_data[i].fbdc_en = 1;
1933                         reg_win_data->reg_area_data[i].fbdc_cor_en = 1;
1934                 } else {
1935                         reg_win_data->reg_area_data[i].fbdc_en = 0;
1936                         reg_win_data->reg_area_data[i].fbdc_cor_en = 0;
1937                 }
1938                 pixel_width = rk_fb_pixel_width(fb_data_fmt);
1939
1940                 ppixel_a |= ((fb_data_fmt == ARGB888) ||
1941                              (fb_data_fmt == FBDC_ARGB_888) ||
1942                              (fb_data_fmt == FBDC_ABGR_888) ||
1943                              (fb_data_fmt == ABGR888)) ? 1 : 0;
1944                 /* visiable pos in panel */
1945                 reg_win_data->reg_area_data[i].xpos = win_par->area_par[i].xpos;
1946                 reg_win_data->reg_area_data[i].ypos = win_par->area_par[i].ypos;
1947
1948                 /* realy size in panel */
1949                 reg_win_data->reg_area_data[i].xsize = win_par->area_par[i].xsize;
1950                 reg_win_data->reg_area_data[i].ysize = win_par->area_par[i].ysize;
1951
1952                 /* realy size in panel */
1953                 reg_win_data->reg_area_data[i].xact = win_par->area_par[i].xact;
1954                 reg_win_data->reg_area_data[i].yact = win_par->area_par[i].yact;
1955
1956                 xoffset = win_par->area_par[i].x_offset;        /* buf offset */
1957                 yoffset = win_par->area_par[i].y_offset;
1958                 reg_win_data->reg_area_data[i].xoff = xoffset;
1959                 reg_win_data->reg_area_data[i].yoff = yoffset;
1960
1961                 xvir = win_par->area_par[i].xvir;
1962                 reg_win_data->reg_area_data[i].xvir = xvir;
1963                 yvir = win_par->area_par[i].yvir;
1964                 reg_win_data->reg_area_data[i].yvir = yvir;
1965
1966                 vir_width_bit = pixel_width * xvir;
1967                 /* pixel_width = byte_num*8 */
1968                 stride_32bit_1 = ((vir_width_bit + 31) & (~31)) / 8;
1969                 stride_32bit_2 = ((vir_width_bit * 2 + 31) & (~31)) / 8;
1970
1971                 stride = stride_32bit_1;        /* default rgb */
1972                 fix->line_length = stride;
1973                 reg_win_data->reg_area_data[i].y_vir_stride = stride >> 2;
1974
1975                 /* x y mirror ,jump line
1976                  * reg_win_data->reg_area_data[i].y_offset =
1977                  *              yoffset*stride+xoffset*pixel_width/8;
1978                  */
1979                 if ((screen->y_mirror == 1) || (reg_win_data->mirror_en)) {
1980                         if (screen->interlace == 1) {
1981                                 reg_win_data->reg_area_data[i].y_offset =
1982                                     yoffset * stride * 2 +
1983                                     ((reg_win_data->reg_area_data[i].yact - 1) * 2 + 1) * stride +
1984                                     xoffset * pixel_width / 8;
1985                         } else {
1986                                 reg_win_data->reg_area_data[i].y_offset =
1987                                     yoffset * stride +
1988                                     (reg_win_data->reg_area_data[i].yact - 1) * stride +
1989                                     xoffset * pixel_width / 8;
1990                         }
1991                 } else {
1992                         if (screen->interlace == 1) {
1993                                 reg_win_data->reg_area_data[i].y_offset =
1994                                     yoffset * stride * 2 +
1995                                     xoffset * pixel_width / 8;
1996                         } else {
1997                                 reg_win_data->reg_area_data[i].y_offset =
1998                                     yoffset * stride +
1999                                     xoffset * pixel_width / 8;
2000                         }
2001                 }
2002                 if ((fb_data_fmt != YUV420) &&
2003                     (fb_data_fmt != YUV420_NV21) &&
2004                     (fb_data_fmt != YUV422) &&
2005                     (fb_data_fmt != YUV444)) {
2006                         buff_len = reg_win_data->reg_area_data[i].y_offset +
2007                                 reg_win_data->reg_area_data[i].xvir *
2008                                 reg_win_data->reg_area_data[i].yact *
2009                                 pixel_width / 8 -
2010                                 reg_win_data->reg_area_data[i].xoff*
2011                                 pixel_width / 8;
2012                         if (buff_len > reg_win_data->reg_area_data[i].buff_len)
2013                                 pr_err("\n!!!!!!error: fmt=%d,xvir[%d]*"
2014                                        "yact[%d]*bpp[%d]"
2015                                        "=buff_len[0x%x]>>mmu len=0x%x\n",
2016                                        fb_data_fmt,
2017                                        reg_win_data->reg_area_data[i].xvir,
2018                                        reg_win_data->reg_area_data[i].yact,
2019                                        pixel_width, buff_len,
2020                                        reg_win_data->reg_area_data[i].buff_len);
2021                 }
2022         }
2023
2024         global_a = (win_par->g_alpha_val == 0) ? 0 : 1;
2025         reg_win_data->alpha_en = ppixel_a | global_a;
2026         reg_win_data->g_alpha_val = win_par->g_alpha_val;
2027         reg_win_data->alpha_mode = win_par->alpha_mode;
2028
2029         switch (fb_data_fmt) {
2030         case YUV422:
2031         case YUV422_A:
2032                 is_pic_yuv = 1;
2033                 stride = stride_32bit_1;
2034                 uv_stride = stride_32bit_1 >> 1;
2035                 uv_x_off = xoffset >> 1;
2036                 uv_y_off = yoffset;
2037                 fix->line_length = stride;
2038                 uv_y_act = win_par->area_par[0].yact >> 1;
2039                 break;
2040         case YUV420:            /* nv12 */
2041         case YUV420_NV21:       /* nv21 */
2042         case YUV420_A:
2043                 is_pic_yuv = 1;
2044                 stride = stride_32bit_1;
2045                 uv_stride = stride_32bit_1;
2046                 uv_x_off = xoffset;
2047                 uv_y_off = yoffset >> 1;
2048                 fix->line_length = stride;
2049                 uv_y_act = win_par->area_par[0].yact >> 1;
2050                 break;
2051         case YUV444:
2052         case YUV444_A:
2053                 is_pic_yuv = 1;
2054                 stride = stride_32bit_1;
2055                 uv_stride = stride_32bit_2;
2056                 uv_x_off = xoffset * 2;
2057                 uv_y_off = yoffset;
2058                 fix->line_length = stride << 2;
2059                 uv_y_act = win_par->area_par[0].yact;
2060                 break;
2061         default:
2062                 break;
2063         }
2064         if (is_pic_yuv == 1) {
2065                 reg_win_data->reg_area_data[0].cbr_start =
2066                     reg_win_data->reg_area_data[0].smem_start + xvir * yvir;
2067                 reg_win_data->reg_area_data[0].uv_vir_stride = uv_stride >> 2;
2068                 if ((screen->y_mirror == 1) || (reg_win_data->mirror_en)) {
2069                         if (screen->interlace == 1) {
2070                                 reg_win_data->reg_area_data[0].c_offset =
2071                                     uv_y_off * uv_stride * 2 +
2072                                     ((uv_y_act - 1) * 2 + 1) * uv_stride +
2073                                     uv_x_off * pixel_width / 8;
2074                         } else {
2075                                 reg_win_data->reg_area_data[0].c_offset =
2076                                     uv_y_off * uv_stride +
2077                                     (uv_y_act - 1) * uv_stride +
2078                                     uv_x_off * pixel_width / 8;
2079                         }
2080                 } else {
2081                         if (screen->interlace == 1) {
2082                                 reg_win_data->reg_area_data[0].c_offset =
2083                                     uv_y_off * uv_stride * 2 +
2084                                     uv_x_off * pixel_width / 8;
2085                         } else {
2086                                 reg_win_data->reg_area_data[0].c_offset =
2087                                     uv_y_off * uv_stride +
2088                                     uv_x_off * pixel_width / 8;
2089                         }
2090                 }
2091                 buff_len = reg_win_data->reg_area_data[0].cbr_start +
2092                         reg_win_data->reg_area_data[0].c_offset +
2093                         reg_win_data->reg_area_data[0].xvir *
2094                         reg_win_data->reg_area_data[0].yact *
2095                         pixel_width / 16 -
2096                         reg_win_data->reg_area_data[0].smem_start -
2097                         reg_win_data->reg_area_data[0].xoff*
2098                         pixel_width / 16 ;
2099                 if (buff_len > reg_win_data->reg_area_data[0].buff_len)
2100                         pr_err("\n!!!!!!error: fmt=%d,xvir[%d]*"
2101                                "yact[%d]*bpp[%d]"
2102                                "=buff_len[0x%x]>>mmu len=0x%x\n",
2103                                fb_data_fmt,
2104                                reg_win_data->reg_area_data[0].xvir,
2105                                reg_win_data->reg_area_data[0].yact,
2106                                pixel_width, buff_len,
2107                                reg_win_data->reg_area_data[0].buff_len);
2108         }
2109
2110         /* record buffer information for rk_fb_disp_scale to prevent fence timeout
2111          * because rk_fb_disp_scale will call function info->fbops->fb_set_par(info);
2112          */
2113         info->var.yoffset = yoffset;
2114         info->var.xoffset = xoffset;
2115         return 0;
2116 }
2117
2118 static int rk_fb_set_win_config(struct fb_info *info,
2119                                 struct rk_fb_win_cfg_data *win_data)
2120 {
2121         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2122         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2123         struct rk_fb_reg_data *regs;
2124 #ifdef H_USE_FENCE
2125         struct sync_fence *release_fence[RK_MAX_BUF_NUM];
2126         struct sync_fence *retire_fence;
2127         struct sync_pt *release_sync_pt[RK_MAX_BUF_NUM];
2128         struct sync_pt *retire_sync_pt;
2129         char fence_name[20];
2130 #endif
2131         int ret = 0, i, j = 0;
2132         int list_is_empty = 0;
2133
2134         if (dev_drv->suspend_flag) {
2135                 dev_drv->timeline_max++;
2136                 sw_sync_timeline_inc(dev_drv->timeline, 1);
2137                 return 0;
2138         }
2139
2140         regs = kzalloc(sizeof(struct rk_fb_reg_data), GFP_KERNEL);
2141         if (!regs) {
2142                 printk(KERN_INFO "could not allocate rk_fb_reg_data\n");
2143                 ret = -ENOMEM;
2144                 return ret;
2145         }
2146
2147 /*
2148         regs->post_cfg.xpos = win_data->post_cfg.xpos;
2149         regs->post_cfg.ypos = win_data->post_cfg.ypos;
2150         regs->post_cfg.xsize = win_data->post_cfg.xsize;
2151         regs->post_cfg.ysize = win_data->post_cfg.xsize;
2152 */
2153
2154         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
2155                 if (win_data->win_par[i].win_id < dev_drv->lcdc_win_num) {
2156                         if (rk_fb_set_win_buffer(info, &win_data->win_par[i],
2157                                                         &regs->reg_win_data[j]))
2158                                 return -ENOMEM;
2159                         if (regs->reg_win_data[j].area_num > 0) {
2160                                 regs->win_num++;
2161                                 regs->buf_num +=
2162                                     regs->reg_win_data[j].area_buf_num;
2163                         }
2164                         j++;
2165                 } else {
2166                         printk(KERN_INFO "error:win_id bigger than lcdc_win_num\n");
2167                         printk(KERN_INFO "i=%d,win_id=%d\n", i,
2168                                win_data->win_par[i].win_id);
2169                 }
2170         }
2171
2172         mutex_lock(&dev_drv->output_lock);
2173
2174         dev_drv->timeline_max++;
2175 #ifdef H_USE_FENCE
2176         for (i = 0; i < RK_MAX_BUF_NUM; i++) {
2177                 if (i < regs->buf_num) {
2178                         sprintf(fence_name, "fence%d", i);
2179                         win_data->rel_fence_fd[i] = get_unused_fd();
2180                         if (win_data->rel_fence_fd[i] < 0) {
2181                                 printk(KERN_INFO "rel_fence_fd=%d\n",
2182                                        win_data->rel_fence_fd[i]);
2183                                 ret = -EFAULT;
2184                                 goto err;
2185                         }
2186                         release_sync_pt[i] =
2187                             sw_sync_pt_create(dev_drv->timeline,
2188                                               dev_drv->timeline_max);
2189                         release_fence[i] =
2190                             sync_fence_create(fence_name, release_sync_pt[i]);
2191                         sync_fence_install(release_fence[i],
2192                                            win_data->rel_fence_fd[i]);
2193                 } else {
2194                         win_data->rel_fence_fd[i] = -1;
2195                 }
2196         }
2197
2198         win_data->ret_fence_fd = get_unused_fd();
2199         if (win_data->ret_fence_fd < 0) {
2200                 printk("ret_fence_fd=%d\n", win_data->ret_fence_fd);
2201                 win_data->ret_fence_fd = -1;
2202                 ret = -EFAULT;
2203                 goto err;
2204         }
2205         retire_sync_pt =
2206             sw_sync_pt_create(dev_drv->timeline, dev_drv->timeline_max);
2207         retire_fence = sync_fence_create("ret_fence", retire_sync_pt);
2208         sync_fence_install(retire_fence, win_data->ret_fence_fd);
2209 #else
2210         for (i = 0; i < RK_MAX_BUF_NUM; i++)
2211                 win_data->rel_fence_fd[i] = -1;
2212
2213         win_data->ret_fence_fd = -1;
2214 #endif
2215         if (dev_drv->wait_fs == 0) {
2216                 mutex_lock(&dev_drv->update_regs_list_lock);
2217                 list_add_tail(&regs->list, &dev_drv->update_regs_list);
2218                 mutex_unlock(&dev_drv->update_regs_list_lock);
2219                 queue_kthread_work(&dev_drv->update_regs_worker,
2220                                    &dev_drv->update_regs_work);
2221         } else {
2222                 mutex_lock(&dev_drv->update_regs_list_lock);
2223                 list_is_empty = list_empty(&dev_drv->update_regs_list) &&
2224                                         list_empty(&dev_drv->saved_list);
2225                 mutex_unlock(&dev_drv->update_regs_list_lock);
2226                 if (!list_is_empty) {
2227                         ret = wait_event_timeout(dev_drv->update_regs_wait,
2228                                 list_empty(&dev_drv->update_regs_list) && list_empty(&dev_drv->saved_list),
2229                                 msecs_to_jiffies(60));
2230                         if (ret > 0)
2231                                 rk_fb_update_reg(dev_drv, regs);
2232                         else
2233                                 printk("%s: wait update_regs_wait timeout\n", __func__);
2234                 } else if (ret == 0) {
2235                         rk_fb_update_reg(dev_drv, regs);
2236                 }
2237         }
2238
2239 err:
2240         mutex_unlock(&dev_drv->output_lock);
2241         return ret;
2242 }
2243
2244 #if 1
2245 static int cfgdone_distlist[10] = { 0 };
2246
2247 static int cfgdone_index;
2248 static int cfgdone_lasttime;
2249
2250 int rk_get_real_fps(int before)
2251 {
2252         struct timespec now;
2253         int dist_curr;
2254         int dist_total = 0;
2255         int dist_count = 0;
2256         int dist_first = 0;
2257
2258         int index = cfgdone_index;
2259         int i = 0, fps = 0;
2260         int total;
2261
2262         if (before > 100)
2263                 before = 100;
2264         if (before < 0)
2265                 before = 0;
2266
2267         getnstimeofday(&now);
2268         dist_curr = (now.tv_sec * 1000000 + now.tv_nsec / 1000) -
2269                         cfgdone_lasttime;
2270         total = dist_curr;
2271         /*
2272            printk("fps: ");
2273          */
2274         for (i = 0; i < 10; i++) {
2275                 if (--index < 0)
2276                         index = 9;
2277                 total += cfgdone_distlist[index];
2278                 if (i == 0)
2279                         dist_first = cfgdone_distlist[index];
2280                 if (total < (before * 1000)) {
2281                         /*
2282                            printk("[%d:%d] ", dist_count, cfgdone_distlist[index]);
2283                          */
2284                         dist_total += cfgdone_distlist[index];
2285                         dist_count++;
2286                 } else {
2287                         break;
2288                 }
2289         }
2290
2291         /*
2292            printk("total %d, count %d, curr %d, ", dist_total, dist_count, dist_curr);
2293          */
2294         dist_curr = (dist_curr > dist_first) ? dist_curr : dist_first;
2295         dist_total += dist_curr;
2296         dist_count++;
2297
2298         if (dist_total > 0)
2299                 fps = (1000000 * dist_count) / dist_total;
2300         else
2301                 fps = 60;
2302
2303         /*
2304            printk("curr2 %d, fps=%d\n", dist_curr, fps);
2305          */
2306         return fps;
2307 }
2308 EXPORT_SYMBOL(rk_get_real_fps);
2309
2310 #endif
2311 #ifdef CONFIG_ROCKCHIP_IOMMU
2312 #define ION_MAX 10
2313 static struct ion_handle *ion_hanle[ION_MAX];
2314 static struct ion_handle *ion_hwc[1];
2315 #endif
2316 static int rk_fb_ioctl(struct fb_info *info, unsigned int cmd,
2317                        unsigned long arg)
2318 {
2319         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2320         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2321         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2322         struct fb_fix_screeninfo *fix = &info->fix;
2323         struct rk_lcdc_win *win;
2324         int enable;     /* enable fb:1 enable;0 disable */
2325         int ovl;        /* overlay:0 win1 on the top of win0;1,win0 on the top of win1 */
2326         int num_buf;    /* buffer_number */
2327         int ret;
2328         struct rk_fb_win_cfg_data win_data;
2329         unsigned int dsp_addr[4];
2330         int list_stat;
2331
2332         int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2333
2334         void __user *argp = (void __user *)arg;
2335         win = dev_drv->win[win_id];
2336
2337         switch (cmd) {
2338         case RK_FBIOSET_HWC_ADDR:
2339         {
2340                 u32 hwc_phy[1];
2341                 if (copy_from_user(hwc_phy, argp, 4))
2342                         return -EFAULT;
2343 #ifdef CONFIG_ROCKCHIP_IOMMU
2344                 if (!dev_drv->iommu_enabled) {
2345 #endif
2346                         fix->smem_start = hwc_phy[0];
2347 #ifdef CONFIG_ROCKCHIP_IOMMU
2348                 } else {
2349                         int usr_fd;
2350                         struct ion_handle *hdl;
2351                         ion_phys_addr_t phy_addr;
2352                         size_t len;
2353
2354                         usr_fd = hwc_phy[0];
2355                         if (!usr_fd) {
2356                                 fix->smem_start = 0;
2357                                 fix->mmio_start = 0;
2358                                 dev_drv->ops->open(dev_drv, win_id, 0);
2359                                 break;
2360                         }
2361
2362                         if (ion_hwc[0] != 0) {
2363                                 ion_free(rk_fb->ion_client, ion_hwc[0]);
2364                                 ion_hwc[0] = 0;
2365                         }
2366
2367                         hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2368                         if (IS_ERR(hdl)) {
2369                                 dev_err(info->dev, "failed to get hwc ion handle:%ld\n",
2370                                         PTR_ERR(hdl));
2371                                 return -EFAULT;
2372                         }
2373
2374                         ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2375                                                 (unsigned long *)&phy_addr,
2376                                                 (unsigned long *)&len);
2377                         if (ret < 0) {
2378                                 dev_err(info->dev, "ion map to get hwc phy addr failed");
2379                                 ion_free(rk_fb->ion_client, hdl);
2380                                 return -ENOMEM;
2381                         }
2382                         fix->smem_start = phy_addr;
2383                         ion_hwc[0] = hdl;
2384                 }
2385 #endif
2386                 break;
2387         }
2388         case RK_FBIOSET_YUV_ADDR:
2389                 {
2390                         u32 yuv_phy[2];
2391
2392                         if (copy_from_user(yuv_phy, argp, 8))
2393                                 return -EFAULT;
2394                         #ifdef CONFIG_ROCKCHIP_IOMMU
2395                         if (!dev_drv->iommu_enabled || !strcmp(info->fix.id, "fb0")) {
2396                         #endif
2397                                 fix->smem_start = yuv_phy[0];
2398                                 fix->mmio_start = yuv_phy[1];
2399                         #ifdef CONFIG_ROCKCHIP_IOMMU
2400                         } else {
2401                                 int usr_fd, offset, tmp;
2402                                 struct ion_handle *hdl;
2403                                 ion_phys_addr_t phy_addr;
2404                                 size_t len;
2405
2406                                 usr_fd = yuv_phy[0];
2407                                 offset = yuv_phy[1] - yuv_phy[0];
2408                                 if (!usr_fd) {
2409                                         fix->smem_start = 0;
2410                                         fix->mmio_start = 0;
2411                                         break;
2412                                 }
2413
2414                                 if (ion_hanle[ION_MAX - 1] != 0) {
2415                                         /*ion_unmap_kernel(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);*/
2416                                         /*ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client, ion_hanle[ION_MAX - 1]);*/
2417                                         ion_free(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);
2418                                         ion_hanle[ION_MAX - 1] = 0;
2419                                 }
2420
2421                                 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2422                                 if (IS_ERR(hdl)) {
2423                                         dev_err(info->dev, "failed to get ion handle:%ld\n",
2424                                                 PTR_ERR(hdl));
2425                                         return -EFAULT;
2426                                 }
2427
2428                                 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2429                                                         (unsigned long *)&phy_addr,
2430                                                         (unsigned long *)&len);
2431                                 if (ret < 0) {
2432                                         dev_err(info->dev, "ion map to get phy addr failed");
2433                                         ion_free(rk_fb->ion_client, hdl);
2434                                         return -ENOMEM;
2435                                 }
2436                                 fix->smem_start = phy_addr;
2437                                 fix->mmio_start = phy_addr + offset;
2438                                 fix->smem_len = len;
2439                                 /*info->screen_base = ion_map_kernel(rk_fb->ion_client, hdl);*/
2440
2441                                 ion_hanle[0] = hdl;
2442                                 for (tmp = ION_MAX - 1; tmp > 0; tmp--)
2443                                         ion_hanle[tmp] = ion_hanle[tmp - 1];
2444                                 ion_hanle[0] = 0;
2445                         }
2446                         #endif
2447                         break;
2448                 }
2449         case RK_FBIOSET_ENABLE:
2450                 if (copy_from_user(&enable, argp, sizeof(enable)))
2451                         return -EFAULT;
2452                                 if (enable)
2453                                         fb_par->state++;
2454                                 else
2455                                         fb_par->state--;
2456                 dev_drv->ops->open(dev_drv, win_id, enable);
2457                 break;
2458         case RK_FBIOGET_ENABLE:
2459                 enable = dev_drv->ops->get_win_state(dev_drv, win_id);
2460                 if (copy_to_user(argp, &enable, sizeof(enable)))
2461                         return -EFAULT;
2462                 break;
2463         case RK_FBIOSET_OVERLAY_STA:
2464                 if (copy_from_user(&ovl, argp, sizeof(ovl)))
2465                         return -EFAULT;
2466                 dev_drv->ops->ovl_mgr(dev_drv, ovl, 1);
2467                 break;
2468         case RK_FBIOGET_OVERLAY_STA:
2469                 ovl = dev_drv->ops->ovl_mgr(dev_drv, 0, 0);
2470                 if (copy_to_user(argp, &ovl, sizeof(ovl)))
2471                         return -EFAULT;
2472                 break;
2473         case RK_FBIOPUT_NUM_BUFFERS:
2474                 if (copy_from_user(&num_buf, argp, sizeof(num_buf)))
2475                         return -EFAULT;
2476                 dev_drv->num_buf = num_buf;
2477                 break;
2478         case RK_FBIOSET_VSYNC_ENABLE:
2479                 if (copy_from_user(&enable, argp, sizeof(enable)))
2480                         return -EFAULT;
2481                 dev_drv->vsync_info.active = enable;
2482                 break;
2483
2484         case RK_FBIOGET_DSP_ADDR:
2485                 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
2486                 if (copy_to_user(argp, &dsp_addr, sizeof(dsp_addr)))
2487                         return -EFAULT;
2488                 break;
2489         case RK_FBIOGET_LIST_STA:
2490                 list_stat = rk_fb_get_list_stat(dev_drv);
2491                 if (copy_to_user(argp, &list_stat, sizeof(list_stat)))
2492                         return -EFAULT;
2493
2494                 break;
2495         case RK_FBIOGET_IOMMU_STA:
2496                 if (copy_to_user(argp, &dev_drv->iommu_enabled,
2497                                  sizeof(dev_drv->iommu_enabled)))
2498                         return -EFAULT;
2499                 break;
2500 #if defined(CONFIG_ION_ROCKCHIP)
2501         case RK_FBIOSET_DMABUF_FD:
2502                 {
2503                         int usr_fd;
2504                         struct ion_handle *hdl;
2505                         ion_phys_addr_t phy_addr;
2506                         size_t len;
2507                         if (copy_from_user(&usr_fd, argp, sizeof(usr_fd)))
2508                                 return -EFAULT;
2509                         hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2510                         ion_phys(rk_fb->ion_client, hdl, &phy_addr, &len);
2511                         fix->smem_start = phy_addr;
2512                         break;
2513                 }
2514         case RK_FBIOGET_DMABUF_FD:
2515                 {
2516                         int fd = -1;
2517
2518                         if (IS_ERR_OR_NULL(fb_par->ion_hdl)) {
2519                                 dev_err(info->dev,
2520                                         "get dma_buf fd failed,ion handle is err\n");
2521                                 return PTR_ERR(fb_par->ion_hdl);
2522                         }
2523                         fd = ion_share_dma_buf_fd(rk_fb->ion_client,
2524                                                   fb_par->ion_hdl);
2525                         if (fd < 0) {
2526                                 dev_err(info->dev,
2527                                         "ion_share_dma_buf_fd failed\n");
2528                                 return fd;
2529                         }
2530                         if (copy_to_user(argp, &fd, sizeof(fd)))
2531                                 return -EFAULT;
2532                         break;
2533                 }
2534 #endif
2535         case RK_FBIOSET_CLEAR_FB:
2536                 memset(fb_par->fb_virt_base, 0, fb_par->fb_size);
2537                 break;
2538         case RK_FBIOSET_CONFIG_DONE:
2539                 {
2540                         int curr = 0;
2541                         struct timespec now;
2542
2543                         getnstimeofday(&now);
2544                         curr = now.tv_sec * 1000000 + now.tv_nsec / 1000;
2545                         cfgdone_distlist[cfgdone_index++] =
2546                             curr - cfgdone_lasttime;
2547                         /*
2548                            printk("%d ", curr - cfgdone_lasttime);
2549                          */
2550                         cfgdone_lasttime = curr;
2551                         if (cfgdone_index >= 10)
2552                                 cfgdone_index = 0;
2553                 }
2554                 if (copy_from_user(&win_data,
2555                                    (struct rk_fb_win_cfg_data __user *)argp,
2556                                    sizeof(win_data))) {
2557                         ret = -EFAULT;
2558                         break;
2559                 };
2560
2561                 dev_drv->wait_fs = win_data.wait_fs;
2562                 rk_fb_set_win_config(info, &win_data);
2563
2564                 if (copy_to_user((struct rk_fb_win_cfg_data __user *)arg,
2565                                  &win_data, sizeof(win_data))) {
2566                         ret = -EFAULT;
2567                         break;
2568                 }
2569                 memset(&win_data, 0, sizeof(struct rk_fb_win_cfg_data));
2570                 break;
2571         default:
2572                 dev_drv->ops->ioctl(dev_drv, cmd, arg, win_id);
2573                 break;
2574         }
2575
2576         return 0;
2577 }
2578
2579 static int rk_fb_blank(int blank_mode, struct fb_info *info)
2580 {
2581         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2582         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2583         struct fb_fix_screeninfo *fix = &info->fix;
2584         int win_id;
2585 #if defined(CONFIG_RK_HDMI)
2586         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2587 #endif
2588
2589         win_id = dev_drv->ops->fb_get_win_id(dev_drv, fix->id);
2590         if (win_id < 0)
2591                 return -ENODEV;
2592 #if defined(CONFIG_RK_HDMI)
2593         if ((rk_fb->disp_mode == ONE_DUAL) &&
2594             (hdmi_get_hotplug() == HDMI_HPD_ACTIVED)) {
2595                 printk(KERN_INFO "hdmi is connect , not blank lcdc\n");
2596         } else
2597 #endif
2598         {
2599                 dev_drv->ops->blank(dev_drv, win_id, blank_mode);
2600         }
2601         return 0;
2602 }
2603
2604 static int rk_fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
2605 {
2606         if ((0 == var->xres_virtual) || (0 == var->yres_virtual) ||
2607             (0 == var->xres) || (0 == var->yres) || (var->xres < 16) ||
2608             ((16 != var->bits_per_pixel) &&
2609             (32 != var->bits_per_pixel) &&
2610             (24 != var->bits_per_pixel))) {
2611                 dev_err(info->dev, "%s check var fail 1:\n"
2612                         "xres_vir:%d>>yres_vir:%d\n"
2613                         "xres:%d>>yres:%d\n"
2614                         "bits_per_pixel:%d\n",
2615                         info->fix.id,
2616                         var->xres_virtual,
2617                         var->yres_virtual,
2618                         var->xres, var->yres, var->bits_per_pixel);
2619                 return -EINVAL;
2620         }
2621
2622         if (((var->xoffset + var->xres) > var->xres_virtual) ||
2623             ((var->yoffset + var->yres) > (var->yres_virtual))) {
2624                 dev_err(info->dev, "%s check_var fail 2:\n"
2625                         "xoffset:%d>>xres:%d>>xres_vir:%d\n"
2626                         "yoffset:%d>>yres:%d>>yres_vir:%d\n",
2627                         info->fix.id,
2628                         var->xoffset,
2629                         var->xres,
2630                         var->xres_virtual,
2631                         var->yoffset, var->yres, var->yres_virtual);
2632                 return -EINVAL;
2633         }
2634
2635         return 0;
2636 }
2637
2638 static ssize_t rk_fb_read(struct fb_info *info, char __user *buf,
2639                           size_t count, loff_t *ppos)
2640 {
2641         unsigned long p = *ppos;
2642         u8 *buffer, *dst;
2643         u8 __iomem *src;
2644         int c, cnt = 0, err = 0;
2645         unsigned long total_size;
2646         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2647         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2648         struct rk_lcdc_win *win = NULL;
2649         int win_id = 0;
2650
2651         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2652         if (win_id < 0)
2653                 return -ENODEV;
2654         else
2655                 win = dev_drv->win[win_id];
2656
2657         /* only read the current frame buffer */
2658         if (win->area[0].format == RGB565) {
2659                 total_size = win->area[0].y_vir_stride * win->area[0].yact << 1;
2660         } else if ((win->area[0].format == YUV420) ||
2661                    (win->area[0].format == YUV420_NV21)) {
2662                 total_size =
2663                     (win->area[0].y_vir_stride * win->area[0].yact * 6);
2664         } else {
2665                 total_size = win->area[0].y_vir_stride * win->area[0].yact << 2;
2666         }
2667         if (p >= total_size)
2668                 return 0;
2669
2670         if (count >= total_size)
2671                 count = total_size;
2672
2673         if (count + p > total_size)
2674                 count = total_size - p;
2675
2676         buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
2677         if (!buffer)
2678                 return -ENOMEM;
2679
2680         src = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
2681
2682         while (count) {
2683                 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
2684                 dst = buffer;
2685                 fb_memcpy_fromfb(dst, src, c);
2686                 dst += c;
2687                 src += c;
2688
2689                 if (copy_to_user(buf, buffer, c)) {
2690                         err = -EFAULT;
2691                         break;
2692                 }
2693                 *ppos += c;
2694                 buf += c;
2695                 cnt += c;
2696                 count -= c;
2697         }
2698
2699         kfree(buffer);
2700
2701         return (err) ? err : cnt;
2702 }
2703
2704 static ssize_t rk_fb_write(struct fb_info *info, const char __user *buf,
2705                            size_t count, loff_t *ppos)
2706 {
2707         unsigned long p = *ppos;
2708         u8 *buffer, *src;
2709         u8 __iomem *dst;
2710         int c, cnt = 0, err = 0;
2711         unsigned long total_size;
2712         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2713         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2714         struct rk_lcdc_win *win = NULL;
2715         int win_id = 0;
2716
2717         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2718         if (win_id < 0)
2719                 return -ENODEV;
2720         else
2721                 win = dev_drv->win[win_id];
2722
2723         /* write the current frame buffer */
2724         if (win->area[0].format == RGB565)
2725                 total_size = win->area[0].xact * win->area[0].yact << 1;
2726         else
2727                 total_size = win->area[0].xact * win->area[0].yact << 2;
2728
2729         if (p > total_size)
2730                 return -EFBIG;
2731
2732         if (count > total_size) {
2733                 err = -EFBIG;
2734                 count = total_size;
2735         }
2736
2737         if (count + p > total_size) {
2738                 if (!err)
2739                         err = -ENOSPC;
2740
2741                 count = total_size - p;
2742         }
2743
2744         buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
2745         if (!buffer)
2746                 return -ENOMEM;
2747
2748         dst = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
2749
2750         while (count) {
2751                 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
2752                 src = buffer;
2753
2754                 if (copy_from_user(src, buf, c)) {
2755                         err = -EFAULT;
2756                         break;
2757                 }
2758
2759                 fb_memcpy_tofb(dst, src, c);
2760                 dst += c;
2761                 src += c;
2762                 *ppos += c;
2763                 buf += c;
2764                 cnt += c;
2765                 count -= c;
2766         }
2767
2768         kfree(buffer);
2769
2770         return (cnt) ? cnt : err;
2771 }
2772
2773 static int rk_fb_set_par(struct fb_info *info)
2774 {
2775         struct fb_var_screeninfo *var = &info->var;
2776         struct fb_fix_screeninfo *fix = &info->fix;
2777         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2778         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2779         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2780         struct rk_lcdc_win *win = NULL;
2781         struct rk_screen *screen = dev_drv->cur_screen;
2782         int win_id = 0;
2783         u32 cblen = 0, crlen = 0;
2784         u16 xsize = 0, ysize = 0;       /* winx display window height/width --->LCDC_WINx_DSP_INFO */
2785         u32 xoffset = var->xoffset;     /* offset from virtual to visible */
2786         u32 yoffset = var->yoffset;
2787         u16 xpos = (var->nonstd >> 8) & 0xfff;  /*visiable pos in panel */
2788         u16 ypos = (var->nonstd >> 20) & 0xfff;
2789         u32 xvir = var->xres_virtual;
2790         u32 yvir = var->yres_virtual;
2791         u8 data_format = var->nonstd & 0xff;
2792         u8 fb_data_fmt;
2793         u8 pixel_width;
2794         u32 vir_width_bit;
2795         u32 stride, uv_stride;
2796         u32 stride_32bit_1;
2797         u32 stride_32bit_2;
2798         u16 uv_x_off, uv_y_off, uv_y_act;
2799         u8 is_pic_yuv = 0;
2800
2801         var->pixclock = dev_drv->pixclock;
2802         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2803         if (win_id < 0)
2804                 return -ENODEV;
2805         else
2806                 win = dev_drv->win[win_id];
2807
2808         /* if the application has specific the horizontal and vertical display size */
2809         if (var->grayscale >> 8) {
2810                 xsize = (var->grayscale >> 8) & 0xfff;
2811                 ysize = (var->grayscale >> 20) & 0xfff;
2812                 if (xsize > screen->mode.xres)
2813                         xsize = screen->mode.xres;
2814                 if (ysize > screen->mode.yres)
2815                         ysize = screen->mode.yres;
2816         } else {                /*ohterwise  full  screen display */
2817                 xsize = screen->mode.xres;
2818                 ysize = screen->mode.yres;
2819         }
2820
2821         fb_data_fmt = rk_fb_data_fmt(data_format, var->bits_per_pixel);
2822         if (fb_data_fmt >= FBDC_RGB_565) {
2823                 win->area[0].fbdc_en = 1;
2824                 win->area[0].fbdc_cor_en = 1;
2825         } else {
2826                 win->area[0].fbdc_en = 0;
2827                 win->area[0].fbdc_cor_en = 0;
2828         }
2829         pixel_width = rk_fb_pixel_width(fb_data_fmt);
2830         vir_width_bit = pixel_width * xvir;
2831         /* pixel_width = byte_num * 8 */
2832         stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
2833         stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
2834
2835         switch (fb_data_fmt) {
2836         case YUV422:
2837         case YUV422_A:
2838                 is_pic_yuv = 1;
2839                 stride = stride_32bit_1;
2840                 uv_stride = stride_32bit_1 >> 1;
2841                 uv_x_off = xoffset >> 1;
2842                 uv_y_off = yoffset;
2843                 fix->line_length = stride;
2844                 cblen = crlen = (xvir * yvir) >> 1;
2845                 uv_y_act = win->area[0].yact >> 1;
2846                 break;
2847         case YUV420:            /* nv12 */
2848         case YUV420_NV21:       /* nv21 */
2849         case YUV420_A:
2850                 is_pic_yuv = 1;
2851                 stride = stride_32bit_1;
2852                 uv_stride = stride_32bit_1;
2853                 uv_x_off = xoffset;
2854                 uv_y_off = yoffset >> 1;
2855                 fix->line_length = stride;
2856                 cblen = crlen = (xvir * yvir) >> 2;
2857                 uv_y_act = win->area[0].yact >> 1;
2858                 break;
2859         case YUV444:
2860         case YUV444_A:
2861                 is_pic_yuv = 1;
2862                 stride = stride_32bit_1;
2863                 uv_stride = stride_32bit_2;
2864                 uv_x_off = xoffset * 2;
2865                 uv_y_off = yoffset;
2866                 fix->line_length = stride << 2;
2867                 cblen = crlen = (xvir * yvir);
2868                 uv_y_act = win->area[0].yact;
2869                 break;
2870         default:
2871                 stride = stride_32bit_1;        /* default rgb */
2872                 fix->line_length = stride;
2873                 break;
2874         }
2875
2876         win->area[0].format = fb_data_fmt;
2877         win->area[0].y_vir_stride = stride >> 2;
2878         win->area[0].uv_vir_stride = uv_stride >> 2;
2879         win->area[0].xpos = xpos;
2880         win->area[0].ypos = ypos;
2881         win->area[0].xsize = xsize;
2882         win->area[0].ysize = ysize;
2883         win->area[0].xact = var->xres;  /* winx active window height,is a wint of vir */
2884         win->area[0].yact = var->yres;
2885         win->area[0].xvir = var->xres_virtual;  /* virtual resolution  stride --->LCDC_WINx_VIR */
2886         win->area[0].yvir = var->yres_virtual;
2887         win->area[0].xoff = xoffset;
2888         win->area[0].yoff = yoffset;
2889
2890         win->area_num = 1;
2891         win->alpha_mode = 4;    /* AB_SRC_OVER; */
2892         win->alpha_en = ((win->area[0].format == ARGB888) ||
2893                          (win->area[0].format == FBDC_ARGB_888) ||
2894                          (win->area[0].format == FBDC_ABGR_888) ||
2895                          (win->area[0].format == ABGR888)) ? 1 : 0;
2896         win->g_alpha_val = 0;
2897
2898         if (rk_fb->disp_policy == DISPLAY_POLICY_BOX &&
2899             (win->area[0].format == YUV420 ||
2900              win->area[0].format == YUV420_NV21 ||
2901              win->area[0].format == YUV420_A))
2902                 win->state = 1;
2903
2904         dev_drv->ops->set_par(dev_drv, win_id);
2905
2906         return 0;
2907 }
2908
2909 static inline unsigned int chan_to_field(unsigned int chan,
2910                                          struct fb_bitfield *bf)
2911 {
2912         chan &= 0xffff;
2913         chan >>= 16 - bf->length;
2914         return chan << bf->offset;
2915 }
2916
2917 static int fb_setcolreg(unsigned regno,
2918                         unsigned red, unsigned green, unsigned blue,
2919                         unsigned transp, struct fb_info *info)
2920 {
2921         unsigned int val;
2922
2923         switch (info->fix.visual) {
2924         case FB_VISUAL_TRUECOLOR:
2925                 /* true-colour, use pseudo-palette */
2926                 if (regno < 16) {
2927                         u32 *pal = info->pseudo_palette;
2928                         val = chan_to_field(red, &info->var.red);
2929                         val |= chan_to_field(green, &info->var.green);
2930                         val |= chan_to_field(blue, &info->var.blue);
2931                         pal[regno] = val;
2932                 }
2933                 break;
2934         default:
2935                 return -1;      /* unknown type */
2936         }
2937
2938         return 0;
2939 }
2940
2941 static int rk_fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
2942 {
2943         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
2944         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2945         struct ion_handle *handle = fb_par->ion_hdl;
2946         struct dma_buf *dma_buf = NULL;
2947
2948         if (IS_ERR_OR_NULL(handle)) {
2949                 dev_err(info->dev, "failed to get ion handle:%ld\n",
2950                         PTR_ERR(handle));
2951                 return -ENOMEM;
2952         }
2953         dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
2954         if (IS_ERR_OR_NULL(dma_buf)) {
2955                 printk("get ion share dma buf failed\n");
2956                 return -ENOMEM;
2957         }
2958
2959         vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
2960
2961         return dma_buf_mmap(dma_buf, vma, 0);
2962 }
2963
2964 static struct fb_ops fb_ops = {
2965         .owner = THIS_MODULE,
2966         .fb_open = rk_fb_open,
2967         .fb_release = rk_fb_close,
2968         .fb_check_var = rk_fb_check_var,
2969         .fb_set_par = rk_fb_set_par,
2970         .fb_blank = rk_fb_blank,
2971         .fb_ioctl = rk_fb_ioctl,
2972         .fb_compat_ioctl = rk_fb_ioctl,
2973         .fb_pan_display = rk_fb_pan_display,
2974         .fb_read = rk_fb_read,
2975         .fb_write = rk_fb_write,
2976         .fb_setcolreg = fb_setcolreg,
2977         .fb_fillrect = cfb_fillrect,
2978         .fb_copyarea = cfb_copyarea,
2979         .fb_imageblit = cfb_imageblit,
2980 };
2981
2982 static struct fb_var_screeninfo def_var = {
2983 #if defined(CONFIG_LOGO_LINUX_BMP)
2984         .red = {16, 8, 0},
2985         .green = {8, 8, 0},
2986         .blue = {0, 8, 0},
2987         .transp = {0, 0, 0},
2988         .nonstd = HAL_PIXEL_FORMAT_BGRA_8888,
2989 #else
2990         .red = {11, 5, 0},
2991         .green = {5, 6, 0},
2992         .blue = {0, 5, 0},
2993         .transp = {0, 0, 0},
2994         .nonstd = HAL_PIXEL_FORMAT_RGB_565,     /* (ypos<<20+xpos<<8+format) format */
2995 #endif
2996         .grayscale = 0,         /* (ysize<<20+xsize<<8) */
2997         .activate = FB_ACTIVATE_NOW,
2998         .accel_flags = 0,
2999         .vmode = FB_VMODE_NONINTERLACED,
3000 };
3001
3002 static struct fb_fix_screeninfo def_fix = {
3003         .type = FB_TYPE_PACKED_PIXELS,
3004         .type_aux = 0,
3005         .xpanstep = 1,
3006         .ypanstep = 1,
3007         .ywrapstep = 0,
3008         .accel = FB_ACCEL_NONE,
3009         .visual = FB_VISUAL_TRUECOLOR,
3010
3011 };
3012
3013 static int rk_fb_wait_for_vsync_thread(void *data)
3014 {
3015         struct rk_lcdc_driver *dev_drv = data;
3016         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3017         struct fb_info *fbi = rk_fb->fb[0];
3018
3019         while (!kthread_should_stop()) {
3020                 ktime_t timestamp = dev_drv->vsync_info.timestamp;
3021                 int ret = wait_event_interruptible(dev_drv->vsync_info.wait,
3022                                 !ktime_equal(timestamp, dev_drv->vsync_info.timestamp) &&
3023                                 (dev_drv->vsync_info.active || dev_drv->vsync_info.irq_stop));
3024
3025                 if (!ret)
3026                         sysfs_notify(&fbi->dev->kobj, NULL, "vsync");
3027         }
3028
3029         return 0;
3030 }
3031
3032 static ssize_t rk_fb_vsync_show(struct device *dev,
3033                                 struct device_attribute *attr, char *buf)
3034 {
3035         struct fb_info *fbi = dev_get_drvdata(dev);
3036         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3037         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3038         return scnprintf(buf, PAGE_SIZE, "%llu\n",
3039                          ktime_to_ns(dev_drv->vsync_info.timestamp));
3040 }
3041
3042 static DEVICE_ATTR(vsync, S_IRUGO, rk_fb_vsync_show, NULL);
3043
3044 /*
3045  * this two function is for other module that in the kernel which
3046  * need show image directly through fb
3047  * fb_id:we have 4 fb here,default we use fb0 for ui display
3048  */
3049 struct fb_info *rk_get_fb(int fb_id)
3050 {
3051         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3052         struct fb_info *fb = inf->fb[fb_id];
3053         return fb;
3054 }
3055 EXPORT_SYMBOL(rk_get_fb);
3056
3057 void rk_direct_fb_show(struct fb_info *fbi)
3058 {
3059         rk_fb_set_par(fbi);
3060         rk_fb_pan_display(&fbi->var, fbi);
3061 }
3062 EXPORT_SYMBOL(rk_direct_fb_show);
3063
3064 int rk_fb_dpi_open(bool open)
3065 {
3066         struct rk_lcdc_driver *dev_drv = NULL;
3067         dev_drv = rk_get_prmry_lcdc_drv();
3068
3069         if (dev_drv->ops->dpi_open)
3070                 dev_drv->ops->dpi_open(dev_drv, open);
3071         return 0;
3072 }
3073
3074 int rk_fb_dpi_win_sel(int win_id)
3075 {
3076         struct rk_lcdc_driver *dev_drv = NULL;
3077         dev_drv = rk_get_prmry_lcdc_drv();
3078
3079         if (dev_drv->ops->dpi_win_sel)
3080                 dev_drv->ops->dpi_win_sel(dev_drv, win_id);
3081         return 0;
3082 }
3083
3084 int rk_fb_dpi_status(void)
3085 {
3086         int ret = 0;
3087         struct rk_lcdc_driver *dev_drv = NULL;
3088
3089         dev_drv = rk_get_prmry_lcdc_drv();
3090         if (dev_drv->ops->dpi_status)
3091                 ret = dev_drv->ops->dpi_status(dev_drv);
3092
3093         return ret;
3094 }
3095
3096 /*
3097  * function: this function will be called by display device, enable/disable lcdc
3098  * @screen: screen timing to be set to lcdc
3099  * @enable: 0 disable lcdc; 1 enable change lcdc timing; 2 just enable dclk
3100  * @lcdc_id: the lcdc id the display device attached ,0 or 1
3101  */
3102 int rk_fb_switch_screen(struct rk_screen *screen, int enable, int lcdc_id)
3103 {
3104         struct rk_fb *rk_fb =  platform_get_drvdata(fb_pdev);
3105         struct fb_info *info = NULL;
3106         struct rk_fb_par *fb_par = NULL;
3107         struct rk_lcdc_driver *dev_drv = NULL;
3108         char name[6] = {0};
3109         int i, win_id, load_screen = 0;
3110
3111         if (unlikely(!rk_fb) || unlikely(!screen))
3112                 return -ENODEV;
3113
3114         hdmi_switch_complete = 0;
3115         /* get lcdc driver */
3116         sprintf(name, "lcdc%d", lcdc_id);
3117         if (rk_fb->disp_mode != DUAL)
3118                 dev_drv = rk_fb->lcdc_dev_drv[0];
3119         else
3120                 dev_drv = rk_get_lcdc_drv(name);
3121
3122         if (dev_drv == NULL) {
3123                 printk(KERN_ERR "%s driver not found!", name);
3124                 return -ENODEV;
3125         }
3126         if (screen->type == SCREEN_HDMI)
3127                 printk("hdmi %s lcdc%d\n", enable ? "connect to" : "remove from",
3128                         dev_drv->id);
3129         else if (screen->type == SCREEN_TVOUT ||
3130                      screen->type == SCREEN_TVOUT_TEST )
3131                 printk("cvbs %s lcdc%d\n", enable ? "connect to" : "remove from",
3132                         dev_drv->id);
3133         if (enable == 2 /*&& dev_drv->enable*/)
3134                 return 0;
3135
3136         if ((rk_fb->disp_mode == ONE_DUAL) ||
3137             (rk_fb->disp_mode == NO_DUAL)) {
3138                 if ((dev_drv->ops->backlight_close) &&
3139                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX))
3140                         dev_drv->ops->backlight_close(dev_drv, 1);
3141                 if (dev_drv->ops->dsp_black)
3142                         dev_drv->ops->dsp_black(dev_drv, 1);
3143                 if ((dev_drv->ops->set_screen_scaler) &&
3144                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX))
3145                         dev_drv->ops->set_screen_scaler(dev_drv,
3146                                                         dev_drv->screen0, 0);
3147         }
3148         if (dev_drv->uboot_logo && (screen->type != dev_drv->cur_screen->type))
3149                dev_drv->uboot_logo = 0;
3150         if (!enable) {
3151                 /* if screen type is different, we do not disable lcdc. */
3152                 if (dev_drv->cur_screen->type != screen->type)
3153                         return 0;
3154
3155                 /* if used one lcdc to dual disp, no need to close win */
3156                 if ((rk_fb->disp_mode == ONE_DUAL) ||
3157                     (rk_fb->disp_mode == NO_DUAL)) {
3158                         dev_drv->cur_screen = dev_drv->screen0;
3159                         dev_drv->ops->load_screen(dev_drv, 1);
3160
3161                         /* force modify dsp size */
3162                         info = rk_fb->fb[dev_drv->fb_index_base];
3163                         info->var.grayscale &= 0xff;
3164                         info->var.grayscale |=
3165                                 (dev_drv->cur_screen->mode.xres << 8) +
3166                                 (dev_drv->cur_screen->mode.yres << 20);
3167                         mutex_lock(&dev_drv->win_config);
3168                         info->fbops->fb_set_par(info);
3169                         info->fbops->fb_pan_display(&info->var, info);
3170                         mutex_unlock(&dev_drv->win_config);
3171
3172                         if (dev_drv->ops->dsp_black)
3173                                 dev_drv->ops->dsp_black(dev_drv, 0);
3174                         if ((dev_drv->ops->backlight_close) &&
3175                             (rk_fb->disp_policy != DISPLAY_POLICY_BOX))
3176                                 dev_drv->ops->backlight_close(dev_drv, 0);
3177                 } else if (rk_fb->num_lcdc > 1) {
3178                         /* If there is more than one lcdc device, we disable
3179                            the layer which attached to this device */
3180                         dev_drv->suspend_flag = 1;
3181                         flush_kthread_worker(&dev_drv->update_regs_worker);
3182                         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3183                                 if (dev_drv->win[i] && dev_drv->win[i]->state)
3184                                         dev_drv->ops->open(dev_drv, i, 0);
3185                         }
3186                 }
3187
3188                 hdmi_switch_complete = 0;
3189                 return 0;
3190         } else {
3191                 if (dev_drv->screen1)
3192                         dev_drv->cur_screen = dev_drv->screen1;
3193
3194                 memcpy(dev_drv->cur_screen, screen, sizeof(struct rk_screen));
3195                 dev_drv->cur_screen->xsize = dev_drv->cur_screen->mode.xres;
3196                 dev_drv->cur_screen->ysize = dev_drv->cur_screen->mode.yres;
3197                 dev_drv->cur_screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3198                 dev_drv->cur_screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3199         }
3200         if ((!dev_drv->uboot_logo) ||
3201             (rk_fb->disp_policy != DISPLAY_POLICY_BOX)) {
3202                 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3203                         info = rk_fb->fb[dev_drv->fb_index_base + i];
3204                         fb_par = (struct rk_fb_par *)info->par;
3205                         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3206                         if (dev_drv->win[win_id]) {
3207                                 if (fb_par->state) {
3208                                         if (!dev_drv->win[win_id]->state) {
3209                                                 dev_drv->ops->open(dev_drv, win_id, 1);
3210                                                 dev_drv->suspend_flag = 0;
3211                                         }
3212                                         if (!load_screen) {
3213                                                 dev_drv->ops->load_screen(dev_drv, 1);
3214                                                 load_screen = 1;
3215                                         }
3216                                         info->var.activate |= FB_ACTIVATE_FORCE;
3217                                         if (rk_fb->disp_mode == ONE_DUAL) {
3218                                                 info->var.grayscale &= 0xff;
3219                                                 info->var.grayscale |=
3220                                                         (dev_drv->cur_screen->xsize << 8) +
3221                                                         (dev_drv->cur_screen->ysize << 20);
3222                                         }
3223
3224                                         mutex_lock(&dev_drv->win_config);
3225                                         info->fbops->fb_set_par(info);
3226                                         info->fbops->fb_pan_display(&info->var, info);
3227                                         mutex_unlock(&dev_drv->win_config);
3228                                 }
3229                         }
3230                 }
3231         }else {
3232                 dev_drv->uboot_logo = 0;
3233         }
3234         hdmi_switch_complete = 1;
3235         if ((rk_fb->disp_mode == ONE_DUAL) || (rk_fb->disp_mode == NO_DUAL)) {
3236                 if ((dev_drv->ops->set_screen_scaler) &&
3237                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX))
3238                         dev_drv->ops->set_screen_scaler(dev_drv, dev_drv->screen0, 1);
3239                 if (dev_drv->ops->dsp_black)
3240                         dev_drv->ops->dsp_black(dev_drv, 0);
3241                 if ((dev_drv->ops->backlight_close) &&
3242                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
3243                     (rk_fb->disp_mode == ONE_DUAL))
3244                         dev_drv->ops->backlight_close(dev_drv, 0);
3245         }
3246         return 0;
3247 }
3248
3249 /*
3250  * function:this function current only called by hdmi for
3251  *      scale the display
3252  * scale_x: scale rate of x resolution
3253  * scale_y: scale rate of y resolution
3254  * lcdc_id: the lcdc id the hdmi attached ,0 or 1
3255  */
3256 int rk_fb_disp_scale(u8 scale_x, u8 scale_y, u8 lcdc_id)
3257 {
3258         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3259         struct fb_info *info = NULL;
3260         struct fb_info *pmy_info = NULL;
3261         struct fb_var_screeninfo *var = NULL;
3262         struct rk_lcdc_driver *dev_drv = NULL;
3263         u16 screen_x, screen_y;
3264         u16 xpos, ypos;
3265         char name[6];
3266         struct rk_screen primary_screen;
3267         rk_fb_get_prmry_screen(&primary_screen);
3268         if (primary_screen.type == SCREEN_HDMI) {
3269                 return 0;
3270         }
3271
3272         sprintf(name, "lcdc%d", lcdc_id);
3273
3274         if (inf->disp_mode == DUAL) {
3275                 dev_drv = rk_get_lcdc_drv(name);
3276                 if (dev_drv == NULL) {
3277                         printk(KERN_ERR "%s driver not found!", name);
3278                         return -ENODEV;
3279                 }
3280         } else {
3281                 dev_drv = inf->lcdc_dev_drv[0];
3282         }
3283
3284         if (inf->num_lcdc == 1) {
3285                 info = inf->fb[0];
3286         } else if (inf->num_lcdc == 2) {
3287                 info = inf->fb[dev_drv->lcdc_win_num];
3288                 pmy_info = inf->fb[0];
3289         }
3290
3291         var = &info->var;
3292         screen_x = dev_drv->cur_screen->mode.xres;
3293         screen_y = dev_drv->cur_screen->mode.yres;
3294
3295         if (inf->disp_mode != DUAL && dev_drv->screen1) {
3296                 dev_drv->cur_screen->xpos =
3297                     (screen_x - screen_x * scale_x / 100) >> 1;
3298                 dev_drv->cur_screen->ypos =
3299                     (screen_y - screen_y * scale_y / 100) >> 1;
3300                 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3301                 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3302         } else {
3303                 xpos = (screen_x - screen_x * scale_x / 100) >> 1;
3304                 ypos = (screen_y - screen_y * scale_y / 100) >> 1;
3305                 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3306                 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3307                 if (inf->disp_mode == ONE_DUAL) {
3308                         var->nonstd &= 0xff;
3309                         var->nonstd |= (xpos << 8) + (ypos << 20);
3310                         var->grayscale &= 0xff;
3311                         var->grayscale |=
3312                                 (dev_drv->cur_screen->xsize << 8) +
3313                                 (dev_drv->cur_screen->ysize << 20);
3314                 }
3315         }
3316
3317         mutex_lock(&dev_drv->win_config);
3318         info->fbops->fb_set_par(info);
3319         dev_drv->ops->cfg_done(dev_drv);
3320         mutex_unlock(&dev_drv->win_config);
3321
3322         return 0;
3323 }
3324
3325 #if defined(CONFIG_ION_ROCKCHIP)
3326 static int rk_fb_alloc_buffer_by_ion(struct fb_info *fbi,
3327                                      struct rk_lcdc_win *win,
3328                                      unsigned long fb_mem_size)
3329 {
3330         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3331         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3332         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3333         struct ion_handle *handle;
3334         ion_phys_addr_t phy_addr;
3335         size_t len;
3336         int ret = 0;
3337
3338         if (dev_drv->iommu_enabled)
3339                 handle = ion_alloc(rk_fb->ion_client, (size_t) fb_mem_size, 0,
3340                                    ION_HEAP(ION_VMALLOC_HEAP_ID), 0);
3341         else
3342                 handle = ion_alloc(rk_fb->ion_client, (size_t) fb_mem_size, 0,
3343                                    ION_HEAP(ION_CMA_HEAP_ID), 0);
3344         if (IS_ERR(handle)) {
3345                 dev_err(fbi->device, "failed to ion_alloc:%ld\n",
3346                         PTR_ERR(handle));
3347                 return -ENOMEM;
3348         }
3349
3350         fb_par->ion_hdl = handle;
3351         win->area[0].dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3352         if (IS_ERR_OR_NULL(win->area[0].dma_buf)) {
3353                 printk("ion_share_dma_buf() failed\n");
3354                 goto err_share_dma_buf;
3355         }
3356         win->area[0].ion_hdl = handle;
3357         if (dev_drv->prop == PRMRY)
3358                 fbi->screen_base = ion_map_kernel(rk_fb->ion_client, handle);
3359 #ifdef CONFIG_ROCKCHIP_IOMMU
3360         if (dev_drv->iommu_enabled && dev_drv->mmu_dev)
3361                 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, handle,
3362                                         (unsigned long *)&phy_addr,
3363                                         (unsigned long *)&len);
3364         else
3365                 ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3366 #else
3367         ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3368 #endif
3369         if (ret < 0) {
3370                 dev_err(fbi->dev, "ion map to get phy addr failed\n");
3371                 goto err_share_dma_buf;
3372         }
3373         fbi->fix.smem_start = phy_addr;
3374         fbi->fix.smem_len = len;
3375         printk(KERN_INFO "alloc_buffer:ion_phy_addr=0x%lx\n", phy_addr);
3376         return 0;
3377
3378 err_share_dma_buf:
3379         ion_free(rk_fb->ion_client, handle);
3380         return -ENOMEM;
3381 }
3382 #endif
3383
3384 static int rk_fb_alloc_buffer(struct fb_info *fbi)
3385 {
3386         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3387         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3388         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3389         struct rk_lcdc_win *win = NULL;
3390         int win_id;
3391         int ret = 0;
3392         unsigned long fb_mem_size;
3393 #if !defined(CONFIG_ION_ROCKCHIP)
3394         dma_addr_t fb_mem_phys;
3395         void *fb_mem_virt;
3396 #endif
3397
3398         win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
3399         if (win_id < 0)
3400                 return -ENODEV;
3401         else
3402                 win = dev_drv->win[win_id];
3403
3404         if (!strcmp(fbi->fix.id, "fb0")) {
3405                 fb_mem_size = get_fb_size();
3406 #if defined(CONFIG_ION_ROCKCHIP)
3407                 if (rk_fb_alloc_buffer_by_ion(fbi, win, fb_mem_size) < 0)
3408                         return -ENOMEM;
3409 #else
3410                 fb_mem_virt = dma_alloc_writecombine(fbi->dev, fb_mem_size,
3411                                                      &fb_mem_phys, GFP_KERNEL);
3412                 if (!fb_mem_virt) {
3413                         pr_err("%s: Failed to allocate framebuffer\n",
3414                                __func__);
3415                         return -ENOMEM;
3416                 }
3417                 fbi->fix.smem_len = fb_mem_size;
3418                 fbi->fix.smem_start = fb_mem_phys;
3419                 fbi->screen_base = fb_mem_virt;
3420 #endif
3421                 memset(fbi->screen_base, 0, fbi->fix.smem_len);
3422         } else {
3423                 fbi->fix.smem_start = rk_fb->fb[0]->fix.smem_start;
3424                 fbi->fix.smem_len = rk_fb->fb[0]->fix.smem_len;
3425                 fbi->screen_base = rk_fb->fb[0]->screen_base;
3426         }
3427
3428         fbi->screen_size = fbi->fix.smem_len;
3429         fb_par->fb_phy_base = fbi->fix.smem_start;
3430         fb_par->fb_virt_base = fbi->screen_base;
3431         fb_par->fb_size = fbi->fix.smem_len;
3432
3433         pr_info("%s:phy:%lx>>vir:%p>>len:0x%x\n", fbi->fix.id,
3434                        fbi->fix.smem_start, fbi->screen_base,
3435                        fbi->fix.smem_len);
3436         return ret;
3437 }
3438
3439 #if 0
3440 static int rk_release_fb_buffer(struct fb_info *fbi)
3441 {
3442         /* buffer for fb1 and fb3 are alloc by android */
3443         if (!strcmp(fbi->fix.id, "fb1") || !strcmp(fbi->fix.id, "fb3"))
3444                 return 0;
3445         iounmap(fbi->screen_base);
3446         release_mem_region(fbi->fix.smem_start, fbi->fix.smem_len);
3447         return 0;
3448 }
3449 #endif
3450
3451 static int init_lcdc_win(struct rk_lcdc_driver *dev_drv,
3452                          struct rk_lcdc_win *def_win)
3453 {
3454         int i;
3455         int lcdc_win_num = dev_drv->lcdc_win_num;
3456
3457         for (i = 0; i < lcdc_win_num; i++) {
3458                 struct rk_lcdc_win *win = NULL;
3459                 win = kzalloc(sizeof(struct rk_lcdc_win), GFP_KERNEL);
3460                 if (!win) {
3461                         dev_err(dev_drv->dev, "kzmalloc for win fail!");
3462                         return -ENOMEM;
3463                 }
3464
3465                 strcpy(win->name, def_win[i].name);
3466                 win->id = def_win[i].id;
3467                 win->support_3d = def_win[i].support_3d;
3468                 dev_drv->win[i] = win;
3469         }
3470
3471         return 0;
3472 }
3473
3474 static int init_lcdc_device_driver(struct rk_fb *rk_fb,
3475                                    struct rk_lcdc_win *def_win, int index)
3476 {
3477         struct rk_lcdc_driver *dev_drv = rk_fb->lcdc_dev_drv[index];
3478         struct rk_screen *screen = devm_kzalloc(dev_drv->dev,
3479                                                 sizeof(struct rk_screen),
3480                                                 GFP_KERNEL);
3481
3482         if (!screen) {
3483                 dev_err(dev_drv->dev, "malloc screen for lcdc%d fail!",
3484                         dev_drv->id);
3485                 return -ENOMEM;
3486         }
3487
3488         screen->screen_id = 0;
3489         screen->lcdc_id = dev_drv->id;
3490         screen->overscan.left = 100;
3491         screen->overscan.top = 100;
3492         screen->overscan.right = 100;
3493         screen->overscan.bottom = 100;
3494
3495         screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3496         screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3497
3498         dev_drv->screen0 = screen;
3499         dev_drv->cur_screen = screen;
3500         /* devie use one lcdc + rk61x scaler for dual display */
3501         if ((rk_fb->disp_mode == ONE_DUAL) || (rk_fb->disp_mode == NO_DUAL)) {
3502                 struct rk_screen *screen1 =
3503                                 devm_kzalloc(dev_drv->dev,
3504                                              sizeof(struct rk_screen),
3505                                              GFP_KERNEL);
3506                 if (!screen1) {
3507                         dev_err(dev_drv->dev, "malloc screen1 for lcdc%d fail!",
3508                                 dev_drv->id);
3509                         return -ENOMEM;
3510                 }
3511                 screen1->screen_id = 1;
3512                 screen1->lcdc_id = 1;
3513                 dev_drv->screen1 = screen1;
3514         }
3515         sprintf(dev_drv->name, "lcdc%d", dev_drv->id);
3516         init_lcdc_win(dev_drv, def_win);
3517         init_completion(&dev_drv->frame_done);
3518         spin_lock_init(&dev_drv->cpl_lock);
3519         mutex_init(&dev_drv->fb_win_id_mutex);
3520         mutex_init(&dev_drv->win_config);
3521         mutex_init(&dev_drv->front_lock);
3522         dev_drv->ops->fb_win_remap(dev_drv, dev_drv->fb_win_map);
3523         dev_drv->first_frame = 1;
3524         dev_drv->overscan.left = 100;
3525         dev_drv->overscan.top = 100;
3526         dev_drv->overscan.right = 100;
3527         dev_drv->overscan.bottom = 100;
3528         rk_disp_pwr_ctr_parse_dt(dev_drv);
3529         if (dev_drv->prop == PRMRY) {
3530                 if (dev_drv->ops->set_dsp_cabc)
3531                         dev_drv->ops->set_dsp_cabc(dev_drv, dev_drv->cabc_mode);
3532                 rk_fb_set_prmry_screen(screen);
3533                 rk_fb_get_prmry_screen(screen);
3534         }
3535         dev_drv->trsm_ops = rk_fb_trsm_ops_get(screen->type);
3536         if (dev_drv->prop != PRMRY)
3537                 rk_fb_get_prmry_screen(screen);
3538         dev_drv->output_color = screen->color_mode;
3539
3540         return 0;
3541 }
3542
3543 #ifdef CONFIG_LOGO_LINUX_BMP
3544 static struct linux_logo *bmp_logo;
3545 static int fb_prewine_bmp_logo(struct fb_info *info, int rotate)
3546 {
3547         bmp_logo = fb_find_logo(24);
3548         if (bmp_logo == NULL) {
3549                 printk(KERN_INFO "%s error\n", __func__);
3550                 return 0;
3551         }
3552         return 1;
3553 }
3554
3555 static void fb_show_bmp_logo(struct fb_info *info, int rotate)
3556 {
3557         unsigned char *src = bmp_logo->data;
3558         unsigned char *dst = info->screen_base;
3559         int i;
3560         unsigned int Needwidth = (*(src - 24) << 8) | (*(src - 23));
3561         unsigned int Needheight = (*(src - 22) << 8) | (*(src - 21));
3562
3563         for (i = 0; i < Needheight; i++)
3564                 memcpy(dst + info->var.xres * i * 4,
3565                        src + bmp_logo->width * i * 4, Needwidth * 4);
3566 }
3567 #endif
3568
3569 /*
3570  * check if the primary lcdc has registerd,
3571  * the primary lcdc mas register first
3572  */
3573 bool is_prmry_rk_lcdc_registered(void)
3574 {
3575         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3576
3577         if (rk_fb->lcdc_dev_drv[0])
3578                 return true;
3579         else
3580                 return false;
3581 }
3582
3583 int rk_fb_register(struct rk_lcdc_driver *dev_drv,
3584                    struct rk_lcdc_win *win, int id)
3585 {
3586         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3587         struct fb_info *fbi;
3588         struct rk_fb_par *fb_par = NULL;
3589         int i = 0, ret = 0, index = 0;
3590
3591         if (rk_fb->num_lcdc == RK30_MAX_LCDC_SUPPORT)
3592                 return -ENXIO;
3593
3594         for (i = 0; i < RK30_MAX_LCDC_SUPPORT; i++) {
3595                 if (!rk_fb->lcdc_dev_drv[i]) {
3596                         rk_fb->lcdc_dev_drv[i] = dev_drv;
3597                         rk_fb->lcdc_dev_drv[i]->id = id;
3598                         rk_fb->num_lcdc++;
3599                         break;
3600                 }
3601         }
3602
3603         index = i;
3604         init_lcdc_device_driver(rk_fb, win, index);
3605         dev_drv->fb_index_base = rk_fb->num_fb;
3606         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3607                 fbi = framebuffer_alloc(0, &fb_pdev->dev);
3608                 if (!fbi) {
3609                         dev_err(&fb_pdev->dev, "fb framebuffer_alloc fail!");
3610                         ret = -ENOMEM;
3611                 }
3612                 fb_par = devm_kzalloc(&fb_pdev->dev, sizeof(struct rk_fb_par),
3613                                       GFP_KERNEL);
3614                 if (!fb_par) {
3615                         dev_err(&fb_pdev->dev, "malloc fb_par for fb%d fail!",
3616                                 rk_fb->num_fb);
3617                         return -ENOMEM;
3618                 }
3619                 fb_par->id = rk_fb->num_fb;
3620                 fb_par->lcdc_drv = dev_drv;
3621                 fbi->par = (void *)fb_par;
3622                 fbi->var = def_var;
3623                 fbi->fix = def_fix;
3624                 sprintf(fbi->fix.id, "fb%d", rk_fb->num_fb);
3625                 fb_videomode_to_var(&fbi->var, &dev_drv->cur_screen->mode);
3626                 fbi->var.grayscale |=
3627                     (fbi->var.xres << 8) + (fbi->var.yres << 20);
3628 #if defined(CONFIG_LOGO_LINUX_BMP)
3629                 fbi->var.bits_per_pixel = 32;
3630 #else
3631                 fbi->var.bits_per_pixel = 16;
3632 #endif
3633                 fbi->fix.line_length =
3634                     (fbi->var.xres_virtual) * (fbi->var.bits_per_pixel >> 3);
3635                 fbi->var.width = dev_drv->cur_screen->width;
3636                 fbi->var.height = dev_drv->cur_screen->height;
3637                 fbi->var.pixclock = dev_drv->pixclock;
3638                 if (dev_drv->iommu_enabled)
3639                         fb_ops.fb_mmap = rk_fb_mmap;
3640                 fbi->fbops = &fb_ops;
3641                 fbi->flags = FBINFO_FLAG_DEFAULT;
3642                 fbi->pseudo_palette = dev_drv->win[i]->pseudo_pal;
3643                 ret = register_framebuffer(fbi);
3644                 if (ret < 0) {
3645                         dev_err(&fb_pdev->dev,
3646                                 "%s fb%d register_framebuffer fail!\n",
3647                                 __func__, rk_fb->num_fb);
3648                         return ret;
3649                 }
3650                 rkfb_create_sysfs(fbi);
3651                 rk_fb->fb[rk_fb->num_fb] = fbi;
3652                 dev_info(fbi->dev, "rockchip framebuffer registerd:%s\n",
3653                          fbi->fix.id);
3654                 rk_fb->num_fb++;
3655
3656                 if (i == 0) {
3657                         init_waitqueue_head(&dev_drv->vsync_info.wait);
3658                         init_waitqueue_head(&dev_drv->update_regs_wait);
3659                         ret = device_create_file(fbi->dev, &dev_attr_vsync);
3660                         if (ret)
3661                                 dev_err(fbi->dev,
3662                                         "failed to create vsync file\n");
3663                         dev_drv->vsync_info.thread =
3664                             kthread_run(rk_fb_wait_for_vsync_thread, dev_drv,
3665                                         "fb-vsync");
3666                         if (dev_drv->vsync_info.thread == ERR_PTR(-ENOMEM)) {
3667                                 dev_err(fbi->dev,
3668                                         "failed to run vsync thread\n");
3669                                 dev_drv->vsync_info.thread = NULL;
3670                         }
3671                         dev_drv->vsync_info.active = 1;
3672
3673                         mutex_init(&dev_drv->output_lock);
3674
3675                         INIT_LIST_HEAD(&dev_drv->update_regs_list);
3676                         mutex_init(&dev_drv->update_regs_list_lock);
3677                         init_kthread_worker(&dev_drv->update_regs_worker);
3678
3679                         dev_drv->update_regs_thread =
3680                             kthread_run(kthread_worker_fn,
3681                                         &dev_drv->update_regs_worker, "rk-fb");
3682                         if (IS_ERR(dev_drv->update_regs_thread)) {
3683                                 int err = PTR_ERR(dev_drv->update_regs_thread);
3684                                 dev_drv->update_regs_thread = NULL;
3685
3686                                 printk("failed to run update_regs thread\n");
3687                                 return err;
3688                         }
3689                         init_kthread_work(&dev_drv->update_regs_work,
3690                                           rk_fb_update_regs_handler);
3691
3692                         dev_drv->timeline =
3693                             sw_sync_timeline_create("fb-timeline");
3694                         dev_drv->timeline_max = 1;
3695                 }
3696         }
3697
3698         /* show logo for primary display device */
3699 #if !defined(CONFIG_FRAMEBUFFER_CONSOLE)
3700         if (dev_drv->prop == PRMRY) {
3701                 u16 xact, yact;
3702                 int format;
3703                 u32 dsp_addr;
3704                 struct fb_info *main_fbi = rk_fb->fb[0];
3705                 main_fbi->fbops->fb_open(main_fbi, 1);
3706
3707 #if defined(CONFIG_ROCKCHIP_IOMMU)
3708                 if (dev_drv->iommu_enabled) {
3709                         if (dev_drv->mmu_dev)
3710                                 rockchip_iovmm_set_fault_handler(dev_drv->dev,
3711                                                 rk_fb_sysmmu_fault_handler);
3712                 }
3713 #endif
3714
3715                 rk_fb_alloc_buffer(main_fbi);   /* only alloc memory for main fb */
3716                 dev_drv->uboot_logo = support_uboot_display();
3717
3718                 if (dev_drv->uboot_logo &&
3719                     uboot_logo_offset && uboot_logo_base) {
3720                         int width, height, bits;
3721                         phys_addr_t start = uboot_logo_base + uboot_logo_offset;
3722                         unsigned int size = uboot_logo_size - uboot_logo_offset;
3723                         unsigned int nr_pages;
3724                         struct page **pages;
3725                         char *vaddr;
3726                         int i = 0;
3727
3728                         if (dev_drv->ops->get_dspbuf_info)
3729                                 dev_drv->ops->get_dspbuf_info(dev_drv, &xact,
3730                                         &yact, &format, &dsp_addr);
3731                         nr_pages = size >> PAGE_SHIFT;
3732                         pages = kzalloc(sizeof(struct page) * nr_pages,
3733                                         GFP_KERNEL);
3734                         while (i < nr_pages) {
3735                                 pages[i] = phys_to_page(start);
3736                                 start += PAGE_SIZE;
3737                                 i++;
3738                         }
3739                         vaddr = vmap(pages, nr_pages, VM_MAP,
3740                                         pgprot_writecombine(PAGE_KERNEL));
3741                         if (!vaddr) {
3742                                 pr_err("failed to vmap phy addr 0x%lx\n",
3743                                        (long)(uboot_logo_base +
3744                                        uboot_logo_offset));
3745                                 return -1;
3746                         }
3747
3748                         if(bmpdecoder(vaddr, main_fbi->screen_base, &width,
3749                                       &height, &bits)) {
3750                                 kfree(pages);
3751                                 vunmap(vaddr);
3752                                 return 0;
3753                         }
3754                         kfree(pages);
3755                         vunmap(vaddr);
3756                         if (dev_drv->uboot_logo &&
3757                             (width != xact || height != yact)) {
3758                                 pr_err("can't support uboot kernel logo use different size [%dx%d] != [%dx%d]\n",
3759                                         xact, yact, width, height);
3760                                 return 0;
3761                         }
3762
3763                         if (dev_drv->ops->post_dspbuf) {
3764                                 dev_drv->ops->post_dspbuf(dev_drv,
3765                                         main_fbi->fix.smem_start,
3766                                         rk_fb_data_fmt(0, bits),
3767                                         width, height, width * bits >> 5);
3768                         }
3769                         if (dev_drv->iommu_enabled) {
3770                                 rk_fb_poll_wait_frame_complete();
3771                                 if (dev_drv->ops->mmu_en)
3772                                         dev_drv->ops->mmu_en(dev_drv);
3773                                 freed_index = 0;
3774                         }
3775
3776                         return 0;
3777                 } else if (dev_drv->uboot_logo && uboot_logo_base) {
3778                         u32 start = uboot_logo_base;
3779                         int logo_len, i=0;
3780                         unsigned int nr_pages;
3781                         struct page **pages;
3782                         char *vaddr;
3783
3784                         dev_drv->ops->get_dspbuf_info(dev_drv, &xact,
3785                                                       &yact, &format,
3786                                                       &start);
3787                         logo_len = rk_fb_pixel_width(format) * xact * yact >> 3;
3788                         if (logo_len > uboot_logo_size ||
3789                             logo_len > main_fbi->fix.smem_len) {
3790                                 pr_err("logo size > uboot reserve buffer size\n");
3791                                 return -1;
3792                         }
3793
3794                         nr_pages = uboot_logo_size >> PAGE_SHIFT;
3795                         pages = kzalloc(sizeof(struct page) * nr_pages,
3796                                         GFP_KERNEL);
3797                         while (i < nr_pages) {
3798                                 pages[i] = phys_to_page(start);
3799                                 start += PAGE_SIZE;
3800                                 i++;
3801                         }
3802                         vaddr = vmap(pages, nr_pages, VM_MAP,
3803                                         pgprot_writecombine(PAGE_KERNEL));
3804                         if (!vaddr) {
3805                                 pr_err("failed to vmap phy addr 0x%llx\n",
3806                                        uboot_logo_base);
3807                                 return -1;
3808                         }
3809
3810                         memcpy(main_fbi->screen_base, vaddr, logo_len);
3811
3812                         kfree(pages);
3813                         vunmap(vaddr);
3814
3815                         dev_drv->ops->post_dspbuf(dev_drv,
3816                                         main_fbi->fix.smem_start,
3817                                         format, xact, yact,
3818                                         xact * rk_fb_pixel_width(format) >> 5);
3819                         if (dev_drv->iommu_enabled) {
3820                                 rk_fb_poll_wait_frame_complete();
3821                                 if (dev_drv->ops->mmu_en)
3822                                         dev_drv->ops->mmu_en(dev_drv);
3823                                 freed_index = 0;
3824                         }
3825                         return 0;
3826                 } else {
3827                         if (dev_drv->iommu_enabled) {
3828                                 if (dev_drv->ops->mmu_en)
3829                                         dev_drv->ops->mmu_en(dev_drv);
3830                                 freed_index = 0;
3831                         }
3832                 }
3833 #if defined(CONFIG_LOGO)
3834                 main_fbi->fbops->fb_set_par(main_fbi);
3835 #if  defined(CONFIG_LOGO_LINUX_BMP)
3836                 if (fb_prewine_bmp_logo(main_fbi, FB_ROTATE_UR)) {
3837                         fb_set_cmap(&main_fbi->cmap, main_fbi);
3838                         fb_show_bmp_logo(main_fbi, FB_ROTATE_UR);
3839                 }
3840 #else
3841                 if (fb_prepare_logo(main_fbi, FB_ROTATE_UR)) {
3842                         fb_set_cmap(&main_fbi->cmap, main_fbi);
3843                         fb_show_logo(main_fbi, FB_ROTATE_UR);
3844                 }
3845 #endif
3846                 main_fbi->fbops->fb_pan_display(&main_fbi->var, main_fbi);
3847 #endif
3848         } else {
3849                 struct fb_info *extend_fbi = rk_fb->fb[rk_fb->num_fb >> 1];
3850
3851                 rk_fb_alloc_buffer(extend_fbi);
3852         }
3853 #endif
3854         return 0;
3855 }
3856
3857 int rk_fb_unregister(struct rk_lcdc_driver *dev_drv)
3858 {
3859         struct rk_fb *fb_inf = platform_get_drvdata(fb_pdev);
3860         struct fb_info *fbi;
3861         int fb_index_base = dev_drv->fb_index_base;
3862         int fb_num = dev_drv->lcdc_win_num;
3863         int i = 0;
3864
3865         if (fb_inf->lcdc_dev_drv[i]->vsync_info.thread) {
3866                 fb_inf->lcdc_dev_drv[i]->vsync_info.irq_stop = 1;
3867                 kthread_stop(fb_inf->lcdc_dev_drv[i]->vsync_info.thread);
3868         }
3869
3870         for (i = 0; i < fb_num; i++)
3871                 kfree(dev_drv->win[i]);
3872
3873         for (i = fb_index_base; i < (fb_index_base + fb_num); i++) {
3874                 fbi = fb_inf->fb[i];
3875                 unregister_framebuffer(fbi);
3876                 /* rk_release_fb_buffer(fbi); */
3877                 framebuffer_release(fbi);
3878         }
3879         fb_inf->lcdc_dev_drv[dev_drv->id] = NULL;
3880         fb_inf->num_lcdc--;
3881
3882         return 0;
3883 }
3884
3885 static int rk_fb_probe(struct platform_device *pdev)
3886 {
3887         struct rk_fb *rk_fb = NULL;
3888         struct device_node *np = pdev->dev.of_node;
3889         u32 mode;
3890
3891         if (!np) {
3892                 dev_err(&pdev->dev, "Missing device tree node.\n");
3893                 return -EINVAL;
3894         }
3895
3896         rk_fb = devm_kzalloc(&pdev->dev, sizeof(struct rk_fb), GFP_KERNEL);
3897         if (!rk_fb) {
3898                 dev_err(&pdev->dev, "kmalloc for rk fb fail!");
3899                 return -ENOMEM;
3900         }
3901         platform_set_drvdata(pdev, rk_fb);
3902
3903         if (!of_property_read_u32(np, "rockchip,disp-mode", &mode)) {
3904                 rk_fb->disp_mode = mode;
3905
3906         } else {
3907                 dev_err(&pdev->dev, "no disp-mode node found!");
3908                 return -ENODEV;
3909         }
3910
3911         if (!of_property_read_u32(np, "rockchip,disp-policy", &mode)) {
3912                 rk_fb->disp_policy = mode;
3913                 pr_info("fb disp policy is %s\n", rk_fb->disp_policy ? "box":"sdk");
3914         }
3915
3916         if (!of_property_read_u32(np, "rockchip,uboot-logo-on", &uboot_logo_on))
3917                 printk(KERN_DEBUG "uboot-logo-on:%d\n", uboot_logo_on);
3918
3919         dev_set_name(&pdev->dev, "rockchip-fb");
3920 #if defined(CONFIG_ION_ROCKCHIP)
3921         rk_fb->ion_client = rockchip_ion_client_create("rk_fb");
3922         if (IS_ERR(rk_fb->ion_client)) {
3923                 dev_err(&pdev->dev, "failed to create ion client for rk fb");
3924                 return PTR_ERR(rk_fb->ion_client);
3925         } else {
3926                 dev_info(&pdev->dev, "rk fb ion client create success!\n");
3927         }
3928 #endif
3929
3930         fb_pdev = pdev;
3931         dev_info(&pdev->dev, "rockchip framebuffer driver probe\n");
3932         return 0;
3933 }
3934
3935 static int rk_fb_remove(struct platform_device *pdev)
3936 {
3937         struct rk_fb *rk_fb = platform_get_drvdata(pdev);
3938
3939         kfree(rk_fb);
3940         platform_set_drvdata(pdev, NULL);
3941         return 0;
3942 }
3943
3944 static void rk_fb_shutdown(struct platform_device *pdev)
3945 {
3946         struct rk_fb *rk_fb = platform_get_drvdata(pdev);
3947         int i;
3948
3949         for (i = 0; i < rk_fb->num_lcdc; i++) {
3950                 if (!rk_fb->lcdc_dev_drv[i])
3951                         continue;
3952         }
3953 }
3954
3955 static const struct of_device_id rkfb_dt_ids[] = {
3956         {.compatible = "rockchip,rk-fb",},
3957         {}
3958 };
3959
3960 static struct platform_driver rk_fb_driver = {
3961         .probe = rk_fb_probe,
3962         .remove = rk_fb_remove,
3963         .driver = {
3964                    .name = "rk-fb",
3965                    .owner = THIS_MODULE,
3966                    .of_match_table = of_match_ptr(rkfb_dt_ids),
3967                    },
3968         .shutdown = rk_fb_shutdown,
3969 };
3970
3971 static int __init rk_fb_init(void)
3972 {
3973         return platform_driver_register(&rk_fb_driver);
3974 }
3975
3976 static void __exit rk_fb_exit(void)
3977 {
3978         platform_driver_unregister(&rk_fb_driver);
3979 }
3980
3981 fs_initcall(rk_fb_init);
3982 module_exit(rk_fb_exit);