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         case SCREEN_LVDS_10BIT:
 103         case SCREEN_DUAL_LVDS_10BIT:
 104                 trsm_lvds_ops = ops;
 105                 break;
 106         case SCREEN_EDP:
 107                 trsm_edp_ops = ops;
 108                 break;
 109         case SCREEN_MIPI:
 110         case SCREEN_DUAL_MIPI:
 111                 trsm_mipi_ops = ops;
 112                 break;
 113         default:
 114                 printk(KERN_WARNING "%s:un supported transmitter:%d!\n",
 115                        __func__, type);
 116                 break;
 117         }
 118         return 0;
 119 }
 120
 121 struct rk_fb_trsm_ops *rk_fb_trsm_ops_get(int type)
 122 {
 123         struct rk_fb_trsm_ops *ops;
 124         switch (type) {
 125         case SCREEN_RGB:
 126         case SCREEN_LVDS:
 127         case SCREEN_DUAL_LVDS:
 128         case SCREEN_LVDS_10BIT:
 129         case SCREEN_DUAL_LVDS_10BIT:
 130                 ops = trsm_lvds_ops;
 131                 break;
 132         case SCREEN_EDP:
 133                 ops = trsm_edp_ops;
 134                 break;
 135         case SCREEN_MIPI:
 136         case SCREEN_DUAL_MIPI:
 137                 ops = trsm_mipi_ops;
 138                 break;
 139         default:
 140                 ops = NULL;
 141                 printk(KERN_WARNING "%s:un supported transmitter:%d!\n",
 142                        __func__, type);
 143                 break;
 144         }
 145         return ops;
 146 }
 147
 148 int rk_fb_pixel_width(int data_format)
 149 {
 150         int pixel_width;
 151         switch (data_format) {
 152         case XBGR888:
 153         case ABGR888:
 154         case ARGB888:
 155         case FBDC_ARGB_888:
 156         case FBDC_ABGR_888:
 157         case FBDC_RGBX_888:
 158                 pixel_width = 4 * 8;
 159                 break;
 160         case RGB888:
 161                 pixel_width = 3 * 8;
 162                 break;
 163         case RGB565:
 164         case FBDC_RGB_565:
 165                 pixel_width = 2 * 8;
 166                 break;
 167         case YUV422:
 168         case YUV420:
 169         case YUV420_NV21:
 170         case YUV444:
 171                 pixel_width = 1 * 8;
 172                 break;
 173         case YUV422_A:
 174         case YUV420_A:
 175         case YUV444_A:
 176                 pixel_width = 8;
 177                 break;
 178         default:
 179                 printk(KERN_WARNING "%s:un supported format:0x%x\n",
 180                        __func__, data_format);
 181                 return -EINVAL;
 182         }
 183         return pixel_width;
 184 }
 185
 186 static int rk_fb_data_fmt(int data_format, int bits_per_pixel)
 187 {
 188         int fb_data_fmt;
 189         if (data_format) {
 190                 switch (data_format) {
 191                 case HAL_PIXEL_FORMAT_RGBX_8888:
 192                         fb_data_fmt = XBGR888;
 193                         break;
 194                 case HAL_PIXEL_FORMAT_RGBA_8888:
 195                         fb_data_fmt = ABGR888;
 196                         break;
 197                 case HAL_PIXEL_FORMAT_BGRA_8888:
 198                         fb_data_fmt = ARGB888;
 199                         break;
 200                 case HAL_PIXEL_FORMAT_RGB_888:
 201                         fb_data_fmt = RGB888;
 202                         break;
 203                 case HAL_PIXEL_FORMAT_RGB_565:
 204                         fb_data_fmt = RGB565;
 205                         break;
 206                 case HAL_PIXEL_FORMAT_YCbCr_422_SP:     /* yuv422 */
 207                         fb_data_fmt = YUV422;
 208                         break;
 209                 case HAL_PIXEL_FORMAT_YCrCb_420_SP:     /* YUV420---vuvuvu */
 210                         fb_data_fmt = YUV420_NV21;
 211                         break;
 212                 case HAL_PIXEL_FORMAT_YCrCb_NV12:       /* YUV420---uvuvuv */
 213                         fb_data_fmt = YUV420;
 214                         break;
 215                 case HAL_PIXEL_FORMAT_YCrCb_444:        /* yuv444 */
 216                         fb_data_fmt = YUV444;
 217                         break;
 218                 case HAL_PIXEL_FORMAT_YCrCb_NV12_10:    /* yuv444 */
 219                         fb_data_fmt = YUV420_A;
 220                         break;
 221                 case HAL_PIXEL_FORMAT_YCbCr_422_SP_10:  /* yuv444 */
 222                         fb_data_fmt = YUV422_A;
 223                         break;
 224                 case HAL_PIXEL_FORMAT_YCrCb_420_SP_10:  /* yuv444 */
 225                         fb_data_fmt = YUV444_A;
 226                         break;
 227                 case HAL_PIXEL_FORMAT_FBDC_RGB565:      /* fbdc rgb565*/
 228                         fb_data_fmt = FBDC_RGB_565;
 229                         break;
 230                 case HAL_PIXEL_FORMAT_FBDC_U8U8U8U8:    /* fbdc argb888 */
 231                         fb_data_fmt = FBDC_ARGB_888;
 232                         break;
 233                 case HAL_PIXEL_FORMAT_FBDC_RGBA888:     /* fbdc abgr888 */
 234                         fb_data_fmt = FBDC_ABGR_888;
 235                         break;
 236                 case HAL_PIXEL_FORMAT_FBDC_U8U8U8:      /* fbdc rgb888 */
 237                         fb_data_fmt = FBDC_RGBX_888;
 238                         break;
 239                 default:
 240                         printk(KERN_WARNING "%s:un supported format:0x%x\n",
 241                                __func__, data_format);
 242                         return -EINVAL;
 243                 }
 244         } else {
 245                 switch (bits_per_pixel) {
 246                 case 32:
 247                         fb_data_fmt = ARGB888;
 248                         break;
 249                 case 24:
 250                         fb_data_fmt = RGB888;
 251                         break;
 252                 case 16:
 253                         fb_data_fmt = RGB565;
 254                         break;
 255                 default:
 256                         printk(KERN_WARNING
 257                                "%s:un supported bits_per_pixel:%d\n", __func__,
 258                                bits_per_pixel);
 259                         break;
 260                 }
 261         }
 262         return fb_data_fmt;
 263 }
 264
 265 /*
 266  * rk display power control parse from dts
 267  */
 268 int rk_disp_pwr_ctr_parse_dt(struct rk_lcdc_driver *dev_drv)
 269 {
 270         struct device_node *root = of_get_child_by_name(dev_drv->dev->of_node,
 271                                                         "power_ctr");
 272         struct device_node *child;
 273         struct rk_disp_pwr_ctr_list *pwr_ctr;
 274         struct list_head *pos;
 275         enum of_gpio_flags flags;
 276         u32 val = 0;
 277         u32 debug = 0;
 278         int ret;
 279
 280         INIT_LIST_HEAD(&dev_drv->pwrlist_head);
 281         if (!root) {
 282                 dev_err(dev_drv->dev, "can't find power_ctr node for lcdc%d\n",
 283                         dev_drv->id);
 284                 return -ENODEV;
 285         }
 286
 287         for_each_child_of_node(root, child) {
 288                 pwr_ctr = kmalloc(sizeof(struct rk_disp_pwr_ctr_list),
 289                                   GFP_KERNEL);
 290                 strcpy(pwr_ctr->pwr_ctr.name, child->name);
 291                 if (!of_property_read_u32(child, "rockchip,power_type", &val)) {
 292                         if (val == GPIO) {
 293                                 pwr_ctr->pwr_ctr.type = GPIO;
 294                                 pwr_ctr->pwr_ctr.gpio = of_get_gpio_flags(child, 0, &flags);
 295                                 if (!gpio_is_valid(pwr_ctr->pwr_ctr.gpio)) {
 296                                         dev_err(dev_drv->dev, "%s ivalid gpio\n",
 297                                                 child->name);
 298                                         return -EINVAL;
 299                                 }
 300                                 pwr_ctr->pwr_ctr.atv_val = !(flags & OF_GPIO_ACTIVE_LOW);
 301                                 ret = gpio_request(pwr_ctr->pwr_ctr.gpio,
 302                                                    child->name);
 303                                 if (ret) {
 304                                         dev_err(dev_drv->dev,
 305                                                 "request %s gpio fail:%d\n",
 306                                                 child->name, ret);
 307                                 }
 308
 309                         } else {
 310                                 pwr_ctr->pwr_ctr.type = REGULATOR;
 311                                 pwr_ctr->pwr_ctr.rgl_name = NULL;
 312                                 ret = of_property_read_string(child, "rockchip,regulator_name",
 313                                                              &(pwr_ctr->pwr_ctr.rgl_name));
 314                                 if (ret || IS_ERR_OR_NULL(pwr_ctr->pwr_ctr.rgl_name))
 315                                         dev_err(dev_drv->dev, "get regulator name failed!\n");
 316                                 if (!of_property_read_u32(child, "rockchip,regulator_voltage", &val))
 317                                         pwr_ctr->pwr_ctr.volt = val;
 318                                 else
 319                                         pwr_ctr->pwr_ctr.volt = 0;
 320                         }
 321                 };
 322
 323                 if (!of_property_read_u32(child, "rockchip,delay", &val))
 324                         pwr_ctr->pwr_ctr.delay = val;
 325                 else
 326                         pwr_ctr->pwr_ctr.delay = 0;
 327                 list_add_tail(&pwr_ctr->list, &dev_drv->pwrlist_head);
 328         }
 329
 330         of_property_read_u32(root, "rockchip,debug", &debug);
 331
 332         if (debug) {
 333                 list_for_each(pos, &dev_drv->pwrlist_head) {
 334                         pwr_ctr = list_entry(pos, struct rk_disp_pwr_ctr_list,
 335                                              list);
 336                         printk(KERN_INFO "pwr_ctr_name:%s\n"
 337                                "pwr_type:%s\n"
 338                                "gpio:%d\n"
 339                                "atv_val:%d\n"
 340                                "delay:%d\n\n",
 341                                pwr_ctr->pwr_ctr.name,
 342                                (pwr_ctr->pwr_ctr.type == GPIO) ? "gpio" : "regulator",
 343                                pwr_ctr->pwr_ctr.gpio,
 344                                pwr_ctr->pwr_ctr.atv_val,
 345                                pwr_ctr->pwr_ctr.delay);
 346                 }
 347         }
 348
 349         return 0;
 350
 351 }
 352
 353 int rk_disp_pwr_enable(struct rk_lcdc_driver *dev_drv)
 354 {
 355         struct list_head *pos;
 356         struct rk_disp_pwr_ctr_list *pwr_ctr_list;
 357         struct pwr_ctr *pwr_ctr;
 358         struct regulator *regulator_lcd = NULL;
 359         int count = 10;
 360
 361         if (list_empty(&dev_drv->pwrlist_head))
 362                 return 0;
 363         list_for_each(pos, &dev_drv->pwrlist_head) {
 364                 pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list,
 365                                           list);
 366                 pwr_ctr = &pwr_ctr_list->pwr_ctr;
 367                 if (pwr_ctr->type == GPIO) {
 368                         gpio_direction_output(pwr_ctr->gpio, pwr_ctr->atv_val);
 369                         mdelay(pwr_ctr->delay);
 370                 } else if (pwr_ctr->type == REGULATOR) {
 371                         if (pwr_ctr->rgl_name)
 372                                 regulator_lcd = regulator_get(NULL, pwr_ctr->rgl_name);
 373                         if (regulator_lcd == NULL) {
 374                                 dev_err(dev_drv->dev,
 375                                         "%s: regulator get failed,regulator name:%s\n",
 376                                         __func__, pwr_ctr->rgl_name);
 377                                 continue;
 378                         }
 379                         regulator_set_voltage(regulator_lcd, pwr_ctr->volt, pwr_ctr->volt);
 380                         while (!regulator_is_enabled(regulator_lcd)) {
 381                                 if (regulator_enable(regulator_lcd) == 0 || count == 0)
 382                                         break;
 383                                 else
 384                                         dev_err(dev_drv->dev,
 385                                                 "regulator_enable failed,count=%d\n",
 386                                                 count);
 387                                 count--;
 388                         }
 389                         regulator_put(regulator_lcd);
 390                         msleep(pwr_ctr->delay);
 391                 }
 392         }
 393
 394         return 0;
 395 }
 396
 397 int rk_disp_pwr_disable(struct rk_lcdc_driver *dev_drv)
 398 {
 399         struct list_head *pos;
 400         struct rk_disp_pwr_ctr_list *pwr_ctr_list;
 401         struct pwr_ctr *pwr_ctr;
 402         struct regulator *regulator_lcd = NULL;
 403         int count = 10;
 404
 405         if (list_empty(&dev_drv->pwrlist_head))
 406                 return 0;
 407         list_for_each(pos, &dev_drv->pwrlist_head) {
 408                 pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list,
 409                                           list);
 410                 pwr_ctr = &pwr_ctr_list->pwr_ctr;
 411                 if (pwr_ctr->type == GPIO) {
 412                         gpio_set_value(pwr_ctr->gpio, !pwr_ctr->atv_val);
 413                 } else if (pwr_ctr->type == REGULATOR) {
 414                         if (pwr_ctr->rgl_name)
 415                                 regulator_lcd = regulator_get(NULL, pwr_ctr->rgl_name);
 416                         if (regulator_lcd == NULL) {
 417                                 dev_err(dev_drv->dev,
 418                                         "%s: regulator get failed,regulator name:%s\n",
 419                                         __func__, pwr_ctr->rgl_name);
 420                                 continue;
 421                         }
 422                         while (regulator_is_enabled(regulator_lcd) > 0) {
 423                                 if (regulator_disable(regulator_lcd) == 0 || count == 0)
 424                                         break;
 425                                 else
 426                                         dev_err(dev_drv->dev,
 427                                                 "regulator_disable failed,count=%d\n",
 428                                                 count);
 429                                 count--;
 430                         }
 431                         regulator_put(regulator_lcd);
 432                 }
 433         }
 434         return 0;
 435 }
 436
 437 int rk_fb_video_mode_from_timing(const struct display_timing *dt,
 438                                  struct rk_screen *screen)
 439 {
 440         screen->mode.pixclock = dt->pixelclock.typ;
 441         screen->mode.left_margin = dt->hback_porch.typ;
 442         screen->mode.right_margin = dt->hfront_porch.typ;
 443         screen->mode.xres = dt->hactive.typ;
 444         screen->mode.hsync_len = dt->hsync_len.typ;
 445         screen->mode.upper_margin = dt->vback_porch.typ;
 446         screen->mode.lower_margin = dt->vfront_porch.typ;
 447         screen->mode.yres = dt->vactive.typ;
 448         screen->mode.vsync_len = dt->vsync_len.typ;
 449         screen->type = dt->screen_type;
 450         screen->lvds_format = dt->lvds_format;
 451         screen->face = dt->face;
 452         screen->color_mode = dt->color_mode;
 453         screen->dsp_lut = dt->dsp_lut;
 454         screen->cabc_lut = dt->cabc_lut;
 455         screen->cabc_gamma_base = dt->cabc_gamma_base;
 456
 457         if (dt->flags & DISPLAY_FLAGS_PIXDATA_POSEDGE)
 458                 screen->pin_dclk = 1;
 459         else
 460                 screen->pin_dclk = 0;
 461         if (dt->flags & DISPLAY_FLAGS_HSYNC_HIGH)
 462                 screen->pin_hsync = 1;
 463         else
 464                 screen->pin_hsync = 0;
 465         if (dt->flags & DISPLAY_FLAGS_VSYNC_HIGH)
 466                 screen->pin_vsync = 1;
 467         else
 468                 screen->pin_vsync = 0;
 469         if (dt->flags & DISPLAY_FLAGS_DE_HIGH)
 470                 screen->pin_den = 1;
 471         else
 472                 screen->pin_den = 0;
 473
 474         return 0;
 475
 476 }
 477
 478 int rk_fb_prase_timing_dt(struct device_node *np, struct rk_screen *screen)
 479 {
 480         struct display_timings *disp_timing;
 481         struct display_timing *dt;
 482         disp_timing = of_get_display_timings(np);
 483         if (!disp_timing) {
 484                 pr_err("parse display timing err\n");
 485                 return -EINVAL;
 486         }
 487         dt = display_timings_get(disp_timing, disp_timing->native_mode);
 488         rk_fb_video_mode_from_timing(dt, screen);
 489         return 0;
 490
 491 }
 492
 493 int rk_fb_calc_fps(struct rk_screen *screen, u32 pixclock)
 494 {
 495         int x, y;
 496         unsigned long long hz;
 497         if (!screen) {
 498                 printk(KERN_ERR "%s:null screen!\n", __func__);
 499                 return 0;
 500         }
 501         x = screen->mode.xres + screen->mode.left_margin +
 502             screen->mode.right_margin + screen->mode.hsync_len;
 503         y = screen->mode.yres + screen->mode.upper_margin +
 504             screen->mode.lower_margin + screen->mode.vsync_len;
 505
 506         hz = 1000000000000ULL;  /* 1e12 picoseconds per second */
 507
 508         hz += (x * y) / 2;
 509         do_div(hz, x * y);      /* divide by x * y with rounding */
 510
 511         hz += pixclock / 2;
 512         do_div(hz, pixclock);   /* divide by pixclock with rounding */
 513
 514         return hz;
 515 }
 516
 517 char *get_format_string(enum data_format format, char *fmt)
 518 {
 519         if (!fmt)
 520                 return NULL;
 521         switch (format) {
 522         case ARGB888:
 523                 strcpy(fmt, "ARGB888");
 524                 break;
 525         case RGB888:
 526                 strcpy(fmt, "RGB888");
 527                 break;
 528         case RGB565:
 529                 strcpy(fmt, "RGB565");
 530                 break;
 531         case YUV420:
 532         case YUV420_NV21:
 533                 strcpy(fmt, "YUV420");
 534                 break;
 535         case YUV422:
 536                 strcpy(fmt, "YUV422");
 537                 break;
 538         case YUV444:
 539                 strcpy(fmt, "YUV444");
 540                 break;
 541         case YUV420_A:
 542                 strcpy(fmt, "YUV420_A");
 543                 break;
 544         case YUV422_A:
 545                 strcpy(fmt, "YUV422_A");
 546                 break;
 547         case YUV444_A:
 548                 strcpy(fmt, "YUV444_A");
 549                 break;
 550         case XRGB888:
 551                 strcpy(fmt, "XRGB888");
 552                 break;
 553         case XBGR888:
 554                 strcpy(fmt, "XBGR888");
 555                 break;
 556         case ABGR888:
 557                 strcpy(fmt, "ABGR888");
 558                 break;
 559         case FBDC_RGB_565:
 560                 strcpy(fmt, "FBDC_RGB_565");
 561                 break;
 562         case FBDC_ARGB_888:
 563         case FBDC_ABGR_888:
 564                 strcpy(fmt, "FBDC_ARGB_888");
 565                 break;
 566         case FBDC_RGBX_888:
 567                 strcpy(fmt, "FBDC_RGBX_888");
 568                 break;
 569         default:
 570                 strcpy(fmt, "invalid");
 571                 break;
 572         }
 573
 574         return fmt;
 575
 576 }
 577
 578 /*
 579  * this is for hdmi
 580  * name: lcdc device name ,lcdc0 , lcdc1
 581  */
 582 struct rk_lcdc_driver *rk_get_lcdc_drv(char *name)
 583 {
 584         struct rk_fb *inf = NULL;
 585         struct rk_lcdc_driver *dev_drv = NULL;
 586         int i = 0;
 587
 588         if (likely(fb_pdev))
 589                 inf = platform_get_drvdata(fb_pdev);
 590         else
 591                 return NULL;
 592
 593         for (i = 0; i < inf->num_lcdc; i++) {
 594                 if (!strcmp(inf->lcdc_dev_drv[i]->name, name)) {
 595                         dev_drv = inf->lcdc_dev_drv[i];
 596                         break;
 597                 }
 598         }
 599
 600         return dev_drv;
 601 }
 602
 603 static struct rk_lcdc_driver *rk_get_prmry_lcdc_drv(void)
 604 {
 605         struct rk_fb *inf = NULL;
 606         struct rk_lcdc_driver *dev_drv = NULL;
 607         int i = 0;
 608
 609         if (likely(fb_pdev))
 610                 inf = platform_get_drvdata(fb_pdev);
 611         else
 612                 return NULL;
 613
 614         for (i = 0; i < inf->num_lcdc; i++) {
 615                 if (inf->lcdc_dev_drv[i]->prop == PRMRY) {
 616                         dev_drv = inf->lcdc_dev_drv[i];
 617                         break;
 618                 }
 619         }
 620
 621         return dev_drv;
 622 }
 623
 624 static __maybe_unused struct rk_lcdc_driver *rk_get_extend_lcdc_drv(void)
 625 {
 626         struct rk_fb *inf = NULL;
 627         struct rk_lcdc_driver *dev_drv = NULL;
 628         int i = 0;
 629
 630         if (likely(fb_pdev))
 631                 inf = platform_get_drvdata(fb_pdev);
 632         else
 633                 return NULL;
 634
 635         for (i = 0; i < inf->num_lcdc; i++) {
 636                 if (inf->lcdc_dev_drv[i]->prop == EXTEND) {
 637                         dev_drv = inf->lcdc_dev_drv[i];
 638                         break;
 639                 }
 640         }
 641
 642         return dev_drv;
 643 }
 644
 645 /*
 646  * get one frame time of the prmry screen, unit: us
 647  */
 648 u32 rk_fb_get_prmry_screen_ft(void)
 649 {
 650         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 651         uint32_t htotal, vtotal, pixclock_ps;
 652         u64 pix_total, ft_us;
 653
 654         if (unlikely(!dev_drv))
 655                 return 0;
 656
 657         pixclock_ps = dev_drv->pixclock;
 658
 659         vtotal = (dev_drv->cur_screen->mode.upper_margin +
 660                  dev_drv->cur_screen->mode.lower_margin +
 661                  dev_drv->cur_screen->mode.yres +
 662                  dev_drv->cur_screen->mode.vsync_len);
 663         htotal = (dev_drv->cur_screen->mode.left_margin +
 664                  dev_drv->cur_screen->mode.right_margin +
 665                  dev_drv->cur_screen->mode.xres +
 666                  dev_drv->cur_screen->mode.hsync_len);
 667         pix_total = htotal * vtotal;
 668         ft_us = pix_total * pixclock_ps;
 669         do_div(ft_us, 1000000);
 670         if (dev_drv->frame_time.ft == 0)
 671                 dev_drv->frame_time.ft = ft_us;
 672
 673         ft_us = dev_drv->frame_time.framedone_t - dev_drv->frame_time.last_framedone_t;
 674         do_div(ft_us, 1000);
 675         ft_us = min(dev_drv->frame_time.ft, (u32)ft_us);
 676         if (ft_us != 0)
 677                 dev_drv->frame_time.ft = ft_us;
 678
 679         return dev_drv->frame_time.ft;
 680 }
 681
 682 /*
 683  * get the vblanking time of the prmry screen, unit: us
 684  */
 685 u32 rk_fb_get_prmry_screen_vbt(void)
 686 {
 687         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 688         uint32_t htotal, vblank, pixclock_ps;
 689         u64 pix_blank, vbt_us;
 690
 691         if (unlikely(!dev_drv))
 692                 return 0;
 693
 694         pixclock_ps = dev_drv->pixclock;
 695
 696         htotal = (dev_drv->cur_screen->mode.left_margin +
 697                  dev_drv->cur_screen->mode.right_margin +
 698                  dev_drv->cur_screen->mode.xres +
 699                  dev_drv->cur_screen->mode.hsync_len);
 700         vblank = (dev_drv->cur_screen->mode.upper_margin +
 701                  dev_drv->cur_screen->mode.lower_margin +
 702                  dev_drv->cur_screen->mode.vsync_len);
 703         pix_blank = htotal * vblank;
 704         vbt_us = pix_blank * pixclock_ps;
 705         do_div(vbt_us, 1000000);
 706         return (u32)vbt_us;
 707 }
 708
 709 /*
 710  * get the frame done time of the prmry screen, unit: us
 711  */
 712 u64 rk_fb_get_prmry_screen_framedone_t(void)
 713 {
 714         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 715
 716         if (unlikely(!dev_drv))
 717                 return 0;
 718         else
 719                 return dev_drv->frame_time.framedone_t;
 720 }
 721
 722 /*
 723  * set prmry screen status
 724  */
 725 int rk_fb_set_prmry_screen_status(int status)
 726 {
 727         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 728         struct rk_screen *screen;
 729
 730         if (unlikely(!dev_drv))
 731                 return 0;
 732
 733         screen = dev_drv->cur_screen;
 734         switch (status) {
 735         case SCREEN_PREPARE_DDR_CHANGE:
 736                 if (screen->type == SCREEN_MIPI
 737                         || screen->type == SCREEN_DUAL_MIPI) {
 738                         if (dev_drv->trsm_ops->dsp_pwr_off)
 739                                 dev_drv->trsm_ops->dsp_pwr_off();
 740                 }
 741                 break;
 742         case SCREEN_UNPREPARE_DDR_CHANGE:
 743                 if (screen->type == SCREEN_MIPI
 744                         || screen->type == SCREEN_DUAL_MIPI) {
 745                         if (dev_drv->trsm_ops->dsp_pwr_on)
 746                                 dev_drv->trsm_ops->dsp_pwr_on();
 747                 }
 748                 break;
 749         default:
 750                 break;
 751         }
 752
 753         return 0;
 754 }
 755
 756 u32 rk_fb_get_prmry_screen_pixclock(void)
 757 {
 758         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 759
 760         if (unlikely(!dev_drv))
 761                 return 0;
 762         else
 763                 return dev_drv->pixclock;
 764 }
 765
 766 int rk_fb_poll_prmry_screen_vblank(void)
 767 {
 768         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 769
 770         if (likely(dev_drv)) {
 771                 if (dev_drv->ops->poll_vblank)
 772                         return dev_drv->ops->poll_vblank(dev_drv);
 773                 else
 774                         return RK_LF_STATUS_NC;
 775         } else {
 776                 return RK_LF_STATUS_NC;
 777         }
 778 }
 779
 780 bool rk_fb_poll_wait_frame_complete(void)
 781 {
 782         uint32_t timeout = RK_LF_MAX_TIMEOUT;
 783         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 784
 785         if (likely(dev_drv)) {
 786                 if (dev_drv->ops->set_irq_to_cpu)
 787                         dev_drv->ops->set_irq_to_cpu(dev_drv, 0);
 788         }
 789
 790         if (rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_NC) {
 791                 if (likely(dev_drv)) {
 792                         if (dev_drv->ops->set_irq_to_cpu)
 793                                 dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
 794                 }
 795                 return false;
 796         }
 797         while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FR) && --timeout)
 798                 ;
 799         while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FC) && --timeout)
 800                 ;
 801         if (likely(dev_drv)) {
 802                 if (dev_drv->ops->set_irq_to_cpu)
 803                         dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
 804         }
 805
 806         return true;
 807 }
 808
 809
 810 /* rk_fb_get_sysmmu_device_by_compatible()
 811  * @compt: dts device compatible name
 812  * return value: success: pointer to the device inside of platform device
 813  *               fail: NULL
 814  */
 815 struct device *rk_fb_get_sysmmu_device_by_compatible(const char *compt)
 816 {
 817         struct device_node *dn = NULL;
 818         struct platform_device *pd = NULL;
 819         struct device *ret = NULL ;
 820
 821         dn = of_find_compatible_node(NULL, NULL, compt);
 822         if (!dn) {
 823                 printk("can't find device node %s \r\n", compt);
 824                 return NULL;
 825         }
 826
 827         pd = of_find_device_by_node(dn);
 828         if (!pd) {
 829                 printk("can't find platform device in device node %s \r\n", compt);
 830                 return  NULL;
 831         }
 832         ret = &pd->dev;
 833
 834         return ret;
 835 }
 836
 837 #ifdef CONFIG_IOMMU_API
 838 void rk_fb_platform_set_sysmmu(struct device *sysmmu, struct device *dev)
 839 {
 840         dev->archdata.iommu = sysmmu;
 841 }
 842 #else
 843 void rk_fb_platform_set_sysmmu(struct device *sysmmu, struct device *dev)
 844 {
 845
 846 }
 847 #endif
 848
 849 static int rk_fb_open(struct fb_info *info, int user)
 850 {
 851         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
 852         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
 853         int win_id;
 854
 855         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
 856         fb_par->state++;
 857         /* if this win aready opened ,no need to reopen */
 858         if (dev_drv->win[win_id]->state)
 859                 return 0;
 860         else
 861                 dev_drv->ops->open(dev_drv, win_id, 1);
 862         return 0;
 863 }
 864
 865 static int rk_fb_close(struct fb_info *info, int user)
 866 {
 867         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
 868         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
 869         struct rk_lcdc_win *win = NULL;
 870         int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
 871
 872         if (win_id >= 0) {
 873                 win = dev_drv->win[win_id];
 874                 if (fb_par->state)
 875                         fb_par->state--;
 876                 if (!fb_par->state) {
 877                         if (fb_par->fb_phy_base > 0)
 878                                 info->fix.smem_start = fb_par->fb_phy_base;
 879                         info->var.xres = dev_drv->screen0->mode.xres;
 880                         info->var.yres = dev_drv->screen0->mode.yres;
 881                         /*
 882                         info->var.grayscale |=
 883                             (info->var.xres << 8) + (info->var.yres << 20);
 884                         */
 885                         info->var.xres_virtual = info->var.xres;
 886                         info->var.yres_virtual = info->var.yres;
 887 #if defined(CONFIG_LOGO_LINUX_BMP)
 888                         info->var.bits_per_pixel = 32;
 889 #else
 890                         info->var.bits_per_pixel = 16;
 891 #endif
 892                         info->fix.line_length =
 893                             (info->var.xres_virtual) * (info->var.bits_per_pixel >> 3);
 894                         info->var.width = dev_drv->screen0->width;
 895                         info->var.height = dev_drv->screen0->height;
 896                         info->var.pixclock = dev_drv->pixclock;
 897                         info->var.left_margin = dev_drv->screen0->mode.left_margin;
 898                         info->var.right_margin = dev_drv->screen0->mode.right_margin;
 899                         info->var.upper_margin = dev_drv->screen0->mode.upper_margin;
 900                         info->var.lower_margin = dev_drv->screen0->mode.lower_margin;
 901                         info->var.vsync_len = dev_drv->screen0->mode.vsync_len;
 902                         info->var.hsync_len = dev_drv->screen0->mode.hsync_len;
 903                 }
 904         }
 905
 906         return 0;
 907 }
 908
 909 #if defined(FB_ROATE_BY_KERNEL)
 910
 911 #if defined(CONFIG_RK29_IPP)
 912 static int get_ipp_format(int fmt)
 913 {
 914         int ipp_fmt = IPP_XRGB_8888;
 915         switch (fmt) {
 916         case HAL_PIXEL_FORMAT_RGBX_8888:
 917         case HAL_PIXEL_FORMAT_RGBA_8888:
 918         case HAL_PIXEL_FORMAT_BGRA_8888:
 919         case HAL_PIXEL_FORMAT_RGB_888:
 920                 ipp_fmt = IPP_XRGB_8888;
 921                 break;
 922         case HAL_PIXEL_FORMAT_RGB_565:
 923                 ipp_fmt = IPP_RGB_565;
 924                 break;
 925         case HAL_PIXEL_FORMAT_YCbCr_422_SP:
 926                 ipp_fmt = IPP_Y_CBCR_H2V1;
 927                 break;
 928         case HAL_PIXEL_FORMAT_YCrCb_NV12:
 929                 ipp_fmt = IPP_Y_CBCR_H2V2;
 930                 break;
 931         case HAL_PIXEL_FORMAT_YCrCb_444:
 932                 ipp_fmt = IPP_Y_CBCR_H1V1;
 933                 break;
 934         default:
 935                 ipp_fmt = IPP_IMGTYPE_LIMIT;
 936                 break;
 937         }
 938
 939         return ipp_fmt;
 940 }
 941
 942 static void ipp_win_check(int *dst_w, int *dst_h, int *dst_vir_w,
 943                           int rotation, int fmt)
 944 {
 945         int align16 = 2;
 946         int align64 = 8;
 947
 948         if (fmt == IPP_XRGB_8888) {
 949                 align16 = 1;
 950                 align64 = 2;
 951         } else if (fmt == IPP_RGB_565) {
 952                 align16 = 1;
 953                 align64 = 4;
 954         } else {
 955                 align16 = 2;
 956                 align64 = 8;
 957         }
 958         align16 -= 1;           /*for YUV, 1 */
 959         align64 -= 1;           /*for YUV, 7 */
 960
 961         if (rotation == IPP_ROT_0) {
 962                 if (fmt > IPP_RGB_565) {
 963                         if ((*dst_w & 1) != 0)
 964                                 *dst_w = *dst_w + 1;
 965                         if ((*dst_h & 1) != 0)
 966                                 *dst_h = *dst_h + 1;
 967                         if (*dst_vir_w < *dst_w)
 968                                 *dst_vir_w = *dst_w;
 969                 }
 970         } else {
 971                 if ((*dst_w & align64) != 0)
 972                         *dst_w = (*dst_w + align64) & (~align64);
 973                 if ((fmt > IPP_RGB_565) && ((*dst_h & 1) == 1))
 974                         *dst_h = *dst_h + 1;
 975                 if (*dst_vir_w < *dst_w)
 976                         *dst_vir_w = *dst_w;
 977         }
 978 }
 979
 980 static void fb_copy_by_ipp(struct fb_info *dst_info,
 981                                 struct fb_info *src_info)
 982 {
 983         struct rk29_ipp_req ipp_req;
 984         uint32_t rotation = 0;
 985         int dst_w, dst_h, dst_vir_w;
 986         int ipp_fmt;
 987         u8 data_format = (dst_info->var.nonstd) & 0xff;
 988         struct rk_fb_par *fb_par = (struct rk_fb_par *)dst_info->par;
 989         struct rk_lcdc_driver *ext_dev_drv = fb_par->lcdc_drv;
 990         u16 orientation = ext_dev_drv->rotate_mode;
 991
 992         memset(&ipp_req, 0, sizeof(struct rk29_ipp_req));
 993
 994         switch (orientation) {
 995         case 0:
 996                 rotation = IPP_ROT_0;
 997                 break;
 998         case ROTATE_90:
 999                 rotation = IPP_ROT_90;
1000                 break;
1001         case ROTATE_180:
1002                 rotation = IPP_ROT_180;
1003                 break;
1004         case ROTATE_270:
1005                 rotation = IPP_ROT_270;
1006                 break;
1007         default:
1008                 rotation = IPP_ROT_270;
1009                 break;
1010         }
1011
1012         dst_w = dst_info->var.xres;
1013         dst_h = dst_info->var.yres;
1014         dst_vir_w = dst_info->var.xres_virtual;
1015         ipp_fmt = get_ipp_format(data_format);
1016         ipp_win_check(&dst_w, &dst_h, &dst_vir_w, rotation, ipp_fmt);
1017         ipp_req.src0.YrgbMst = src_info->fix.smem_start + offset;
1018         ipp_req.src0.w = src_info->var.xres;
1019         ipp_req.src0.h = src_info->var.yres;
1020         ipp_req.src_vir_w = src_info->var.xres_virtual;
1021         ipp_req.src0.fmt = ipp_fmt;
1022
1023         ipp_req.dst0.YrgbMst = dst_info->fix.smem_start + offset;
1024         ipp_req.dst0.w = dst_w;
1025         ipp_req.dst0.h = dst_h;
1026         ipp_req.dst_vir_w = dst_vir_w;
1027         ipp_req.dst0.fmt = ipp_fmt;
1028
1029         ipp_req.timeout = 100;
1030         ipp_req.flag = rotation;
1031         ipp_blit_sync(&ipp_req);
1032 }
1033
1034 #endif
1035
1036 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1037 static int get_rga_format(int fmt)
1038 {
1039         int rga_fmt = 0;
1040
1041         switch (fmt) {
1042         case XBGR888:
1043                 rga_fmt = RK_FORMAT_RGBX_8888;
1044                 break;
1045         case ABGR888:
1046                 rga_fmt = RK_FORMAT_RGBA_8888;
1047                 break;
1048         case ARGB888:
1049                 rga_fmt = RK_FORMAT_BGRA_8888;
1050                 break;
1051         case RGB888:
1052                 rga_fmt = RK_FORMAT_RGB_888;
1053                 break;
1054         case RGB565:
1055                 rga_fmt = RK_FORMAT_RGB_565;
1056                 break;
1057         case YUV422:
1058                 rga_fmt = RK_FORMAT_YCbCr_422_SP;
1059                 break;
1060         case YUV420:
1061                 rga_fmt = RK_FORMAT_YCbCr_420_SP;
1062                 break;
1063         default:
1064                 rga_fmt = RK_FORMAT_RGBA_8888;
1065                 break;
1066         }
1067
1068         return rga_fmt;
1069 }
1070
1071 static void rga_win_check(struct rk_lcdc_win *dst_win,
1072                           struct rk_lcdc_win *src_win)
1073 {
1074         int format = 0;
1075
1076         format = get_rga_format(src_win->area[0].format);
1077         /* width and height must be even number */
1078         if (format >= RK_FORMAT_YCbCr_422_SP &&
1079             format <= RK_FORMAT_YCrCb_420_P) {
1080                 if ((src_win->area[0].xact % 2) != 0)
1081                         src_win->area[0].xact += 1;
1082                 if ((src_win->area[0].yact % 2) != 0)
1083                         src_win->area[0].yact += 1;
1084         }
1085         if (src_win->area[0].xvir < src_win->area[0].xact)
1086                 src_win->area[0].xvir = src_win->area[0].xact;
1087         if (src_win->area[0].yvir < src_win->area[0].yact)
1088                 src_win->area[0].yvir = src_win->area[0].yact;
1089
1090         format = get_rga_format(dst_win->area[0].format);
1091         if (format >= RK_FORMAT_YCbCr_422_SP &&
1092             format <= RK_FORMAT_YCrCb_420_P) {
1093                 if ((dst_win->area[0].xact % 2) != 0)
1094                         dst_win->area[0].xact += 1;
1095                 if ((dst_win->area[0].yact % 2) != 0)
1096                         dst_win->area[0].yact += 1;
1097         }
1098         if (dst_win->area[0].xvir < dst_win->area[0].xact)
1099                 dst_win->area[0].xvir = dst_win->area[0].xact;
1100         if (dst_win->area[0].yvir < dst_win->area[0].yact)
1101                 dst_win->area[0].yvir = dst_win->area[0].yact;
1102 }
1103
1104 static void win_copy_by_rga(struct rk_lcdc_win *dst_win,
1105                             struct rk_lcdc_win *src_win,
1106                             u16 orientation, int iommu_en)
1107 {
1108         struct rga_req Rga_Request;
1109         long ret = 0;
1110         /* int fd = 0; */
1111
1112         memset(&Rga_Request, 0, sizeof(Rga_Request));
1113         rga_win_check(dst_win, src_win);
1114
1115         switch (orientation) {
1116         case ROTATE_90:
1117                 Rga_Request.rotate_mode = 1;
1118                 Rga_Request.sina = 65536;
1119                 Rga_Request.cosa = 0;
1120                 Rga_Request.dst.act_w = dst_win->area[0].yact;
1121                 Rga_Request.dst.act_h = dst_win->area[0].xact;
1122                 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1123                 Rga_Request.dst.y_offset = 0;
1124                 break;
1125         case ROTATE_180:
1126                 Rga_Request.rotate_mode = 1;
1127                 Rga_Request.sina = 0;
1128                 Rga_Request.cosa = -65536;
1129                 Rga_Request.dst.act_w = dst_win->area[0].xact;
1130                 Rga_Request.dst.act_h = dst_win->area[0].yact;
1131                 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1132                 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1133                 break;
1134         case ROTATE_270:
1135                 Rga_Request.rotate_mode = 1;
1136                 Rga_Request.sina = -65536;
1137                 Rga_Request.cosa = 0;
1138                 Rga_Request.dst.act_w = dst_win->area[0].yact;
1139                 Rga_Request.dst.act_h = dst_win->area[0].xact;
1140                 Rga_Request.dst.x_offset = 0;
1141                 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1142                 break;
1143         default:
1144                 Rga_Request.rotate_mode = 0;
1145                 Rga_Request.dst.act_w = dst_win->area[0].xact;
1146                 Rga_Request.dst.act_h = dst_win->area[0].yact;
1147                 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1148                 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1149                 break;
1150         }
1151
1152 /*
1153         fd = ion_share_dma_buf_fd(rk_fb->ion_client, src_win->area[0].ion_hdl);
1154         Rga_Request.src.yrgb_addr = fd;
1155         fd = ion_share_dma_buf_fd(rk_fb->ion_client, dst_win->area[0].ion_hdl);
1156         Rga_Request.dst.yrgb_addr = fd;
1157 */
1158         Rga_Request.src.yrgb_addr = 0;
1159         Rga_Request.src.uv_addr =
1160             src_win->area[0].smem_start + src_win->area[0].y_offset;
1161         Rga_Request.src.v_addr = 0;
1162
1163         Rga_Request.dst.yrgb_addr = 0;
1164         Rga_Request.dst.uv_addr =
1165             dst_win->area[0].smem_start + dst_win->area[0].y_offset;
1166         Rga_Request.dst.v_addr = 0;
1167
1168         Rga_Request.src.vir_w = src_win->area[0].xvir;
1169         Rga_Request.src.vir_h = src_win->area[0].yvir;
1170         Rga_Request.src.format = get_rga_format(src_win->area[0].format);
1171         Rga_Request.src.act_w = src_win->area[0].xact;
1172         Rga_Request.src.act_h = src_win->area[0].yact;
1173         Rga_Request.src.x_offset = 0;
1174         Rga_Request.src.y_offset = 0;
1175
1176         Rga_Request.dst.vir_w = dst_win->area[0].xvir;
1177         Rga_Request.dst.vir_h = dst_win->area[0].yvir;
1178         Rga_Request.dst.format = get_rga_format(dst_win->area[0].format);
1179
1180         Rga_Request.clip.xmin = 0;
1181         Rga_Request.clip.xmax = dst_win->area[0].xact - 1;
1182         Rga_Request.clip.ymin = 0;
1183         Rga_Request.clip.ymax = dst_win->area[0].yact - 1;
1184         Rga_Request.scale_mode = 0;
1185 #if defined(CONFIG_ROCKCHIP_IOMMU)
1186         if (iommu_en) {
1187                 Rga_Request.mmu_info.mmu_en = 1;
1188                 Rga_Request.mmu_info.mmu_flag = 1;
1189         } else {
1190                 Rga_Request.mmu_info.mmu_en = 0;
1191                 Rga_Request.mmu_info.mmu_flag = 0;
1192         }
1193 #else
1194         Rga_Request.mmu_info.mmu_en = 0;
1195         Rga_Request.mmu_info.mmu_flag = 0;
1196 #endif
1197
1198         ret = rga_ioctl_kernel(&Rga_Request);
1199 }
1200
1201 /*
1202  * This function is used for copying fb by RGA Module
1203  * RGA only support copy RGB to RGB
1204  * RGA2 support copy RGB to RGB and YUV to YUV
1205  */
1206 static void fb_copy_by_rga(struct fb_info *dst_info,
1207                                 struct fb_info *src_info)
1208 {
1209         struct rk_fb_par *src_fb_par = (struct rk_fb_par *)src_info->par;
1210         struct rk_fb_par *dst_fb_par = (struct rk_fb_par *)dst_info->par;
1211         struct rk_lcdc_driver *dev_drv = src_fb_par->lcdc_drv;
1212         struct rk_lcdc_driver *ext_dev_drv = dst_fb_par->lcdc_drv;
1213         int win_id = 0, ext_win_id;
1214         struct rk_lcdc_win *src_win, *dst_win;
1215
1216         win_id = dev_drv->ops->fb_get_win_id(dev_drv, src_info->fix.id);
1217         src_win = dev_drv->win[win_id];
1218
1219         ext_win_id =
1220             ext_dev_drv->ops->fb_get_win_id(ext_dev_drv, dst_info->fix.id);
1221         dst_win = ext_dev_drv->win[ext_win_id];
1222
1223         win_copy_by_rga(dst_win, src_win, ext_dev_drv->rotate_mode,
1224                         ext_dev_drv->iommu_enabled);
1225 }
1226 #endif
1227
1228 static int rk_fb_rotate(struct fb_info *dst_info,
1229                           struct fb_info *src_info)
1230 {
1231
1232 #if defined(CONFIG_RK29_IPP)
1233         fb_copy_by_ipp(dst_info, src_info);
1234 #elif defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1235         fb_copy_by_rga(dst_info, src_info);
1236 #else
1237         return -1;
1238 #endif
1239         return 0;
1240 }
1241
1242 static int __maybe_unused rk_fb_win_rotate(struct rk_lcdc_win *dst_win,
1243                                             struct rk_lcdc_win *src_win,
1244                                             u16 rotate, int iommu_en)
1245 {
1246 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1247         win_copy_by_rga(dst_win, src_win, rotate, iommu_en);
1248 #else
1249         return -1;
1250 #endif
1251         return 0;
1252 }
1253
1254 #endif
1255
1256 static int rk_fb_pan_display(struct fb_var_screeninfo *var,
1257                              struct fb_info *info)
1258 {
1259         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1260         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1261         struct fb_fix_screeninfo *fix = &info->fix;
1262         int win_id = 0;
1263         struct rk_lcdc_win *win = NULL;
1264         struct rk_screen *screen = dev_drv->cur_screen;
1265         u32 xoffset = var->xoffset;
1266         u32 yoffset = var->yoffset;
1267         u32 xvir = var->xres_virtual;
1268         u8 pixel_width;
1269         u32 vir_width_bit;
1270         u32 stride, uv_stride;
1271         u32 stride_32bit_1;
1272         u32 stride_32bit_2;
1273         u16 uv_x_off, uv_y_off, uv_y_act;
1274         u8 is_pic_yuv = 0;
1275
1276         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1277         if (win_id < 0)
1278                 return -ENODEV;
1279         else
1280                 win = dev_drv->win[win_id];
1281
1282         pixel_width = rk_fb_pixel_width(win->area[0].format);
1283         vir_width_bit = pixel_width * xvir;
1284         stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
1285         stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
1286
1287         switch (win->area[0].format) {
1288         case YUV422:
1289         case YUV422_A:
1290                 is_pic_yuv = 1;
1291                 stride = stride_32bit_1;
1292                 uv_stride = stride_32bit_1 >> 1;
1293                 uv_x_off = xoffset >> 1;
1294                 uv_y_off = yoffset;
1295                 fix->line_length = stride;
1296                 uv_y_act = win->area[0].yact >> 1;
1297                 break;
1298         case YUV420:            /* nv12 */
1299         case YUV420_NV21:       /* nv21 */
1300         case YUV420_A:
1301                 is_pic_yuv = 1;
1302                 stride = stride_32bit_1;
1303                 uv_stride = stride_32bit_1;
1304                 uv_x_off = xoffset;
1305                 uv_y_off = yoffset >> 1;
1306                 fix->line_length = stride;
1307                 uv_y_act = win->area[0].yact >> 1;
1308                 break;
1309         case YUV444:
1310         case YUV444_A:
1311                 is_pic_yuv = 1;
1312                 stride = stride_32bit_1;
1313                 uv_stride = stride_32bit_2;
1314                 uv_x_off = xoffset * 2;
1315                 uv_y_off = yoffset;
1316                 fix->line_length = stride << 2;
1317                 uv_y_act = win->area[0].yact;
1318                 break;
1319         default:
1320                 stride = stride_32bit_1;        /* default rgb */
1321                 fix->line_length = stride;
1322                 break;
1323         }
1324
1325         /* x y mirror ,jump line */
1326         if ((screen->y_mirror == 1) ||
1327             (win->mirror_en == 1)) {
1328                 if (screen->interlace == 1) {
1329                         win->area[0].y_offset = yoffset * stride * 2 +
1330                             ((win->area[0].yact - 1) * 2 + 1) * stride +
1331                             xoffset * pixel_width / 8;
1332                 } else {
1333                         win->area[0].y_offset = yoffset * stride +
1334                             (win->area[0].yact - 1) * stride +
1335                             xoffset * pixel_width / 8;
1336                 }
1337         } else {
1338                 if (screen->interlace == 1) {
1339                         win->area[0].y_offset =
1340                             yoffset * stride * 2 + xoffset * pixel_width / 8;
1341                 } else {
1342                         win->area[0].y_offset =
1343                             yoffset * stride + xoffset * pixel_width / 8;
1344                 }
1345         }
1346         if (is_pic_yuv == 1) {
1347                 if ((screen->y_mirror == 1) ||
1348                     (win->mirror_en == 1)) {
1349                         if (screen->interlace == 1) {
1350                                 win->area[0].c_offset =
1351                                     uv_y_off * uv_stride * 2 +
1352                                     ((uv_y_act - 1) * 2 + 1) * uv_stride +
1353                                     uv_x_off * pixel_width / 8;
1354                         } else {
1355                                 win->area[0].c_offset = uv_y_off * uv_stride +
1356                                     (uv_y_act - 1) * uv_stride +
1357                                     uv_x_off * pixel_width / 8;
1358                         }
1359                 } else {
1360                         if (screen->interlace == 1) {
1361                                 win->area[0].c_offset =
1362                                     uv_y_off * uv_stride * 2 +
1363                                     uv_x_off * pixel_width / 8;
1364                         } else {
1365                                 win->area[0].c_offset =
1366                                     uv_y_off * uv_stride +
1367                                     uv_x_off * pixel_width / 8;
1368                         }
1369                 }
1370         }
1371
1372         win->area[0].smem_start = fix->smem_start;
1373         win->area[0].cbr_start = fix->mmio_start;
1374         win->area[0].state = 1;
1375         win->area_num = 1;
1376
1377         dev_drv->ops->pan_display(dev_drv, win_id);
1378
1379 #ifdef  CONFIG_FB_MIRRORING
1380         if (video_data_to_mirroring)
1381                 video_data_to_mirroring(info, NULL);
1382 #endif
1383         /*if not want the config effect,set reserved[3] bit[0] 1*/
1384         if (likely((var->reserved[3] & 0x1) == 0))
1385                 dev_drv->ops->cfg_done(dev_drv);
1386
1387         return 0;
1388 }
1389
1390 static int rk_fb_get_list_stat(struct rk_lcdc_driver *dev_drv)
1391 {
1392         int i, j;
1393
1394         i = list_empty(&dev_drv->update_regs_list);
1395         j = list_empty(&dev_drv->saved_list);
1396         return i == j ? 0 : 1;
1397 }
1398
1399 void rk_fd_fence_wait(struct rk_lcdc_driver *dev_drv, struct sync_fence *fence)
1400 {
1401         int err = sync_fence_wait(fence, 1000);
1402
1403         if (err >= 0)
1404                 return;
1405
1406         if (err == -ETIME)
1407                 err = sync_fence_wait(fence, 10 * MSEC_PER_SEC);
1408
1409         if (err < 0)
1410                 printk("error waiting on fence\n");
1411 }
1412 #if 0
1413 static int rk_fb_copy_from_loader(struct fb_info *info)
1414 {
1415         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1416         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1417         void *dst = info->screen_base;
1418         u32 dsp_addr[4];
1419         u32 src;
1420         u32 i,size;
1421         int win_id;
1422         struct rk_lcdc_win *win;
1423
1424         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1425         win = dev_drv->win[win_id];
1426         size = (win->area[0].xact) * (win->area[0].yact) << 2;
1427         dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1428         src = dsp_addr[win_id];
1429         dev_info(info->dev, "copy fb data %d x %d  from  dst_addr:%08x\n",
1430                  win->area[0].xact, win->area[0].yact, src);
1431         for (i = 0; i < size; i += PAGE_SIZE) {
1432                 void *page = phys_to_page(i + src);
1433                 void *from_virt = kmap(page);
1434                 void *to_virt = dst + i;
1435                 memcpy(to_virt, from_virt, PAGE_SIZE);
1436         }
1437         dev_drv->ops->direct_set_addr(dev_drv, win_id,
1438                                       info->fix.smem_start);
1439         return 0;
1440 }
1441 #endif
1442 #ifdef CONFIG_ROCKCHIP_IOMMU
1443 static int g_last_addr[4];
1444 int g_last_timeout;
1445 u32 freed_addr[10];
1446 u32 freed_index;
1447
1448 #define DUMP_CHUNK 256
1449 char buf[PAGE_SIZE];
1450
1451 int rk_fb_sysmmu_fault_handler(struct device *dev,
1452                                enum rk_iommu_inttype itype,
1453                                unsigned long pgtable_base,
1454                                unsigned long fault_addr, unsigned int status)
1455 {
1456         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
1457         int i = 0;
1458         static int page_fault_cnt;
1459         if ((page_fault_cnt++) >= 10)
1460                 return 0;
1461         pr_err
1462             ("PAGE FAULT occurred at 0x%lx (Page table base: 0x%lx),status=%d\n",
1463              fault_addr, pgtable_base, status);
1464         printk("last config addr:\n" "win0:0x%08x\n" "win1:0x%08x\n"
1465                "win2:0x%08x\n" "win3:0x%08x\n", g_last_addr[0], g_last_addr[1],
1466                g_last_addr[2], g_last_addr[3]);
1467         printk("last freed buffer:\n");
1468         for (i = 0; (freed_addr[i] != 0xfefefefe) && freed_addr[i]; i++)
1469                 printk("%d:0x%08x\n", i, freed_addr[i]);
1470         printk("last timeout:%d\n", g_last_timeout);
1471         dev_drv->ops->get_disp_info(dev_drv, buf, 0);
1472         for (i = 0; i < PAGE_SIZE; i += DUMP_CHUNK) {
1473                 if ((PAGE_SIZE - i) > DUMP_CHUNK) {
1474                         char c = buf[i + DUMP_CHUNK];
1475                         buf[i + DUMP_CHUNK] = 0;
1476                         pr_cont("%s", buf + i);
1477                         buf[i + DUMP_CHUNK] = c;
1478                 } else {
1479                         buf[PAGE_SIZE - 1] = 0;
1480                         pr_cont("%s", buf + i);
1481                 }
1482         }
1483
1484         return 0;
1485 }
1486 #endif
1487
1488 void rk_fb_free_dma_buf(struct rk_lcdc_driver *dev_drv,
1489                         struct rk_fb_reg_win_data *reg_win_data)
1490 {
1491         int i, index_buf;
1492         struct rk_fb_reg_area_data *area_data;
1493         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1494
1495         for (i = 0; i < reg_win_data->area_num; i++) {
1496                 area_data = &reg_win_data->reg_area_data[i];
1497                 index_buf = area_data->index_buf;
1498 #if defined(CONFIG_ROCKCHIP_IOMMU)
1499                 if (dev_drv->iommu_enabled) {
1500                         if ((rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
1501                              (area_data->ion_handle != NULL))
1502                                 ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client,
1503                                                 area_data->ion_handle);
1504                         freed_addr[freed_index++] = area_data->smem_start;
1505                 }
1506 #endif
1507                 if (area_data->ion_handle != NULL)
1508                         ion_free(rk_fb->ion_client, area_data->ion_handle);
1509
1510                 if (area_data->acq_fence)
1511                         sync_fence_put(area_data->acq_fence);
1512         }
1513         memset(reg_win_data, 0, sizeof(struct rk_fb_reg_win_data));
1514 }
1515
1516 static void rk_fb_update_win(struct rk_lcdc_driver *dev_drv,
1517                                 struct rk_lcdc_win *win,
1518                                 struct rk_fb_reg_win_data *reg_win_data)
1519 {
1520         int i = 0;
1521         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
1522         struct rk_screen *cur_screen;
1523         struct rk_screen primary_screen;
1524
1525         if (unlikely(!inf) || unlikely(!dev_drv) ||
1526             unlikely(!win) || unlikely(!reg_win_data))
1527                 return;
1528
1529         cur_screen = dev_drv->cur_screen;
1530         rk_fb_get_prmry_screen(&primary_screen);
1531
1532         win->area_num = reg_win_data->area_num;
1533         win->id = reg_win_data->win_id;
1534         win->z_order = reg_win_data->z_order;
1535
1536         if (reg_win_data->reg_area_data[0].smem_start > 0) {
1537                 win->state = 1;
1538                 win->area_num = reg_win_data->area_num;
1539                 win->id = reg_win_data->win_id;
1540                 win->z_order = reg_win_data->z_order;
1541                 win->area[0].uv_vir_stride =
1542                     reg_win_data->reg_area_data[0].uv_vir_stride;
1543                 win->area[0].cbr_start =
1544                     reg_win_data->reg_area_data[0].cbr_start;
1545                 win->area[0].c_offset = reg_win_data->reg_area_data[0].c_offset;
1546                 win->alpha_en = reg_win_data->alpha_en;
1547                 win->alpha_mode = reg_win_data->alpha_mode;
1548                 win->g_alpha_val = reg_win_data->g_alpha_val;
1549                 win->mirror_en = reg_win_data->mirror_en;
1550                 win->area[0].fbdc_en =
1551                         reg_win_data->reg_area_data[0].fbdc_en;
1552                 win->area[0].fbdc_cor_en =
1553                         reg_win_data->reg_area_data[0].fbdc_cor_en;
1554                 win->area[0].fbdc_data_format =
1555                         reg_win_data->reg_area_data[0].fbdc_data_format;
1556                 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
1557                         if (reg_win_data->reg_area_data[i].smem_start > 0) {
1558                                 win->area[i].format =
1559                                         reg_win_data->reg_area_data[i].data_format;
1560                                 if (inf->disp_policy != DISPLAY_POLICY_BOX)
1561                                         win->area[i].ion_hdl =
1562                                         reg_win_data->reg_area_data[i].ion_handle;
1563                                 win->area[i].smem_start =
1564                                         reg_win_data->reg_area_data[i].smem_start;
1565                                 if (inf->disp_mode == DUAL ||
1566                                     inf->disp_mode == NO_DUAL ||
1567                                     inf->disp_policy == DISPLAY_POLICY_BOX) {
1568                                         win->area[i].xpos =
1569                                                 reg_win_data->reg_area_data[i].xpos;
1570                                         win->area[i].ypos =
1571                                                 reg_win_data->reg_area_data[i].ypos;
1572                                         win->area[i].xsize =
1573                                                 reg_win_data->reg_area_data[i].xsize;
1574                                         win->area[i].ysize =
1575                                                 reg_win_data->reg_area_data[i].ysize;
1576                                 } else {
1577                                         win->area[i].xpos =
1578                                                 reg_win_data->reg_area_data[i].xpos *
1579                                                 cur_screen->mode.xres /
1580                                                 primary_screen.mode.xres;
1581                                         win->area[i].ypos =
1582                                                 reg_win_data->reg_area_data[i].ypos *
1583                                                 cur_screen->mode.yres /
1584                                                 primary_screen.mode.yres;
1585                                         win->area[i].xsize =
1586                                                 reg_win_data->reg_area_data[i].xsize *
1587                                                 cur_screen->mode.xres /
1588                                                 primary_screen.mode.xres;
1589                                         win->area[i].ysize =
1590                                                 reg_win_data->reg_area_data[i].ysize *
1591                                                 cur_screen->mode.yres /
1592                                                 primary_screen.mode.yres;
1593
1594                                         /* recalc display size if set hdmi scaler when at ONE_DUAL mode */
1595                                         if (inf->disp_mode == ONE_DUAL && hdmi_switch_complete) {
1596                                                 if (cur_screen->xsize > 0 &&
1597                                                     cur_screen->xsize <= cur_screen->mode.xres) {
1598                                                         win->area[i].xpos =
1599                                                                 ((cur_screen->mode.xres - cur_screen->xsize) >> 1) +
1600                                                                 cur_screen->xsize * win->area[i].xpos / cur_screen->mode.xres;
1601                                                         win->area[i].xsize =
1602                                                                 win->area[i].xsize * cur_screen->xsize / cur_screen->mode.xres;
1603                                                 }
1604                                                 if (cur_screen->ysize > 0 && cur_screen->ysize <= cur_screen->mode.yres) {
1605                                                         win->area[i].ypos =
1606                                                                 ((cur_screen->mode.yres - cur_screen->ysize) >> 1) +
1607                                                                 cur_screen->ysize * win->area[i].ypos / cur_screen->mode.yres;
1608                                                         win->area[i].ysize =
1609                                                                 win->area[i].ysize * cur_screen->ysize / cur_screen->mode.yres;
1610                                                 }
1611                                         }
1612                                 }
1613                                 win->area[i].xact =
1614                                     reg_win_data->reg_area_data[i].xact;
1615                                 win->area[i].yact =
1616                                     reg_win_data->reg_area_data[i].yact;
1617                                 win->area[i].xvir =
1618                                     reg_win_data->reg_area_data[i].xvir;
1619                                 win->area[i].yvir =
1620                                     reg_win_data->reg_area_data[i].yvir;
1621                                 win->area[i].xoff =
1622                                     reg_win_data->reg_area_data[i].xoff;
1623                                 win->area[i].yoff =
1624                                     reg_win_data->reg_area_data[i].yoff;
1625                                 win->area[i].y_offset =
1626                                     reg_win_data->reg_area_data[i].y_offset;
1627                                 win->area[i].y_vir_stride =
1628                                     reg_win_data->reg_area_data[i].y_vir_stride;
1629                                 win->area[i].state = 1;
1630                         } else {
1631                                 win->area[i].state = 0;
1632                         }
1633                 }
1634         } else {
1635         /*
1636                 win->state = 0;
1637                 win->z_order = -1;
1638         */
1639         }
1640 }
1641
1642 static struct rk_fb_reg_win_data *rk_fb_get_win_data(struct rk_fb_reg_data
1643                                                      *regs, int win_id)
1644 {
1645         int i;
1646         struct rk_fb_reg_win_data *win_data = NULL;
1647         for (i = 0; i < regs->win_num; i++) {
1648                 if (regs->reg_win_data[i].win_id == win_id) {
1649                         win_data = &(regs->reg_win_data[i]);
1650                         break;
1651                 }
1652         }
1653
1654         return win_data;
1655 }
1656
1657 static int rk_fb_reg_effect(struct rk_lcdc_driver *dev_drv,
1658                              struct rk_fb_reg_data *regs,
1659                              int count)
1660 {
1661         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1662         int i, j, wait_for_vsync = false;
1663         unsigned int dsp_addr[5][4];
1664         unsigned int area_support[5] = {1, 1, 1, 1, 1};
1665         int win_status = 0;
1666
1667         if (dev_drv->ops->get_dsp_addr)
1668                 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1669
1670         if (dev_drv->ops->area_support_num)
1671                 dev_drv->ops->area_support_num(dev_drv, area_support);
1672
1673         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1674                 if (rk_fb->disp_policy == DISPLAY_POLICY_BOX &&
1675                     (!strcmp(dev_drv->win[i]->name, "hwc")))
1676                         continue;
1677
1678                 for (j = 0;j < RK_WIN_MAX_AREA; j++) {
1679                         if ((j > 0) && (area_support[i] == 1)) {
1680                                 continue;
1681                         }
1682                         if (dev_drv->win[i]->area[j].state == 1) {
1683                                 u32 new_start =
1684                                         dev_drv->win[i]->area[j].smem_start +
1685                                         dev_drv->win[i]->area[j].y_offset;
1686                                 u32 reg_start = dsp_addr[i][j];
1687                                 if ((rk_fb->disp_policy ==
1688                                         DISPLAY_POLICY_BOX) &&
1689                                         (dev_drv->suspend_flag))
1690                                         continue;
1691                                 if (unlikely(new_start != reg_start)) {
1692                                         wait_for_vsync = true;
1693                                         dev_info(dev_drv->dev,
1694                                                  "win%d:new_addr:0x%08x cur_addr:0x%08x--%d\n",
1695                                                  i, new_start, reg_start, 101 - count);
1696                                         break;
1697                                 }
1698                         } else if (dev_drv->win[i]->area[j].state == 0) {
1699                                 if (dev_drv->ops->get_win_state) {
1700                                         win_status =
1701                                         dev_drv->ops->get_win_state(dev_drv, i, j);
1702                                         if (win_status)
1703                                                 wait_for_vsync = true;
1704                                 }
1705                         } else {
1706                                 pr_err("!!!win[%d]state:%d,error!!!\n",
1707                                        i, dev_drv->win[i]->state);
1708                         }
1709                 }
1710         }
1711
1712         return wait_for_vsync;
1713 }
1714
1715 static void rk_fb_update_reg(struct rk_lcdc_driver *dev_drv,
1716                              struct rk_fb_reg_data *regs)
1717 {
1718         int i, j;
1719         struct rk_lcdc_win *win;
1720         ktime_t timestamp = dev_drv->vsync_info.timestamp;
1721         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1722         struct rk_fb_reg_win_data *win_data;
1723         bool wait_for_vsync;
1724         int count = 100;
1725         long timeout;
1726
1727         /* acq_fence wait */
1728         for (i = 0; i < regs->win_num; i++) {
1729                 win_data = &regs->reg_win_data[i];
1730                 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1731                         if (win_data->reg_area_data[j].acq_fence) {
1732                                 /* printk("acq_fence wait!!!!!\n"); */
1733                                 rk_fd_fence_wait(dev_drv, win_data->reg_area_data[j].acq_fence);
1734                         }
1735                 }
1736         }
1737
1738         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1739                 win = dev_drv->win[i];
1740                 win_data = rk_fb_get_win_data(regs, i);
1741                 if (win_data) {
1742                         if (rk_fb->disp_policy == DISPLAY_POLICY_BOX &&
1743                             (win_data->reg_area_data[0].data_format == YUV420 ||
1744                              win_data->reg_area_data[0].data_format == YUV420_NV21 ||
1745                              win_data->reg_area_data[0].data_format == YUV420_A))
1746                                 continue;
1747                         mutex_lock(&dev_drv->win_config);
1748                         rk_fb_update_win(dev_drv, win, win_data);
1749                         win->state = 1;
1750                         dev_drv->ops->set_par(dev_drv, i);
1751                         dev_drv->ops->pan_display(dev_drv, i);
1752                         mutex_unlock(&dev_drv->win_config);
1753 #if defined(CONFIG_ROCKCHIP_IOMMU)
1754                         if (dev_drv->iommu_enabled) {
1755                                 g_last_addr[i] = win_data->reg_area_data[0].smem_start +
1756                                         win_data->reg_area_data[0].y_offset;
1757                         }
1758 #endif
1759                 } else {
1760                         win->z_order = -1;
1761                         win->state = 0;
1762                 }
1763         }
1764         dev_drv->ops->ovl_mgr(dev_drv, 0, 1);
1765         dev_drv->ops->cfg_done(dev_drv);
1766
1767         do {
1768                 timestamp = dev_drv->vsync_info.timestamp;
1769                 timeout = wait_event_interruptible_timeout(dev_drv->vsync_info.wait,
1770                                 ktime_compare(dev_drv->vsync_info.timestamp, timestamp) > 0,
1771                                 msecs_to_jiffies(25));
1772
1773                 wait_for_vsync = rk_fb_reg_effect(dev_drv, regs, count);
1774         } while (wait_for_vsync && count--);
1775 #ifdef H_USE_FENCE
1776         sw_sync_timeline_inc(dev_drv->timeline, 1);
1777 #endif
1778
1779         if (dev_drv->front_regs) {
1780 #if defined(CONFIG_ROCKCHIP_IOMMU)
1781                 if (dev_drv->iommu_enabled) {
1782                         if (dev_drv->ops->mmu_en)
1783                                 dev_drv->ops->mmu_en(dev_drv);
1784                         freed_index = 0;
1785                         g_last_timeout = timeout;
1786                 }
1787 #endif
1788
1789                 mutex_lock(&dev_drv->front_lock);
1790
1791                 for (i = 0; i < dev_drv->front_regs->win_num; i++) {
1792                         win_data = &dev_drv->front_regs->reg_win_data[i];
1793                         rk_fb_free_dma_buf(dev_drv, win_data);
1794                 }
1795                 kfree(dev_drv->front_regs);
1796
1797                 mutex_unlock(&dev_drv->front_lock);
1798
1799 #if defined(CONFIG_ROCKCHIP_IOMMU)
1800                 if (dev_drv->iommu_enabled)
1801                         freed_addr[freed_index] = 0xfefefefe;
1802 #endif
1803         }
1804
1805         mutex_lock(&dev_drv->front_lock);
1806
1807         dev_drv->front_regs = regs;
1808
1809         mutex_unlock(&dev_drv->front_lock);
1810 }
1811
1812 static void rk_fb_update_regs_handler(struct kthread_work *work)
1813 {
1814         struct rk_lcdc_driver *dev_drv =
1815             container_of(work, struct rk_lcdc_driver, update_regs_work);
1816         struct rk_fb_reg_data *data, *next;
1817
1818         mutex_lock(&dev_drv->update_regs_list_lock);
1819         dev_drv->saved_list = dev_drv->update_regs_list;
1820         list_replace_init(&dev_drv->update_regs_list, &dev_drv->saved_list);
1821         mutex_unlock(&dev_drv->update_regs_list_lock);
1822
1823         list_for_each_entry_safe(data, next, &dev_drv->saved_list, list) {
1824                 rk_fb_update_reg(dev_drv, data);
1825                 list_del(&data->list);
1826         }
1827
1828         if (dev_drv->wait_fs && list_empty(&dev_drv->update_regs_list))
1829                 wake_up(&dev_drv->update_regs_wait);
1830 }
1831
1832 static int rk_fb_check_config_var(struct rk_fb_area_par *area_par,
1833                                   struct rk_screen *screen)
1834 {
1835         if ((area_par->x_offset + area_par->xact > area_par->xvir) ||
1836             (area_par->xact <= 0) || (area_par->yact <= 0) ||
1837             (area_par->xvir <= 0) || (area_par->yvir <= 0)) {
1838                 pr_err("check config var fail 0:\n"
1839                        "x_offset=%d,xact=%d,xvir=%d\n",
1840                        area_par->x_offset, area_par->xact, area_par->xvir);
1841                 return -EINVAL;
1842         }
1843
1844         if ((area_par->xpos + area_par->xsize > screen->mode.xres) ||
1845             (area_par->ypos + area_par->ysize > screen->mode.yres) ||
1846             (area_par->xsize <= 0) || (area_par->ysize <= 0)) {
1847                 pr_warn("check config var fail 1:\n"
1848                        "xpos=%d,xsize=%d,xres=%d\n"
1849                        "ypos=%d,ysize=%d,yres=%d\n",
1850                        area_par->xpos, area_par->xsize, screen->mode.xres,
1851                        area_par->ypos, area_par->ysize, screen->mode.yres);
1852                 return -EINVAL;
1853         }
1854         return 0;
1855 }
1856
1857 static int rk_fb_set_win_buffer(struct fb_info *info,
1858                                 struct rk_fb_win_par *win_par,
1859                                 struct rk_fb_reg_win_data *reg_win_data)
1860 {
1861         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
1862         struct fb_fix_screeninfo *fix = &info->fix;
1863         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1864         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1865         /*if hdmi size move to hwc,screen should point to cur_screen
1866           otherwise point to screen0[main screen]*/
1867         struct rk_screen *screen = dev_drv->cur_screen;/*screen0;*/
1868         struct fb_info *fbi;
1869         int i, ion_fd, acq_fence_fd;
1870         u32 xvir, yvir;
1871         u32 xoffset, yoffset;
1872
1873         struct ion_handle *hdl;
1874         size_t len;
1875         int index_buf;
1876         u8 fb_data_fmt;
1877         u8 pixel_width;
1878         u32 vir_width_bit;
1879         u32 stride, uv_stride;
1880         u32 stride_32bit_1;
1881         u32 stride_32bit_2;
1882         u16 uv_x_off, uv_y_off, uv_y_act;
1883         u8 is_pic_yuv = 0;
1884         u8 ppixel_a = 0, global_a = 0;
1885         ion_phys_addr_t phy_addr;
1886         int ret = 0;
1887         int buff_len;
1888
1889         reg_win_data->reg_area_data[0].smem_start = -1;
1890         reg_win_data->area_num = 0;
1891         fbi = rk_fb->fb[reg_win_data->win_id];
1892         if (win_par->area_par[0].phy_addr == 0) {
1893                 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
1894                         ion_fd = win_par->area_par[i].ion_fd;
1895                         if (ion_fd > 0) {
1896                                 hdl =
1897                                     ion_import_dma_buf(rk_fb->ion_client,
1898                                                        ion_fd);
1899                                 if (IS_ERR(hdl)) {
1900                                         pr_info("%s: Could not import handle:"
1901                                                 " %ld\n", __func__, (long)hdl);
1902                                         /*return -EINVAL; */
1903                                         break;
1904                                 }
1905                                 reg_win_data->area_num++;
1906                                 reg_win_data->reg_area_data[i].ion_handle = hdl;
1907 #ifndef CONFIG_ROCKCHIP_IOMMU
1908                                 ret = ion_phys(rk_fb->ion_client, hdl, &phy_addr,
1909                                                 &len);
1910 #else
1911                                 if (dev_drv->iommu_enabled)
1912                                         ret = ion_map_iommu(dev_drv->dev,
1913                                                                 rk_fb->ion_client,
1914                                                                 hdl,
1915                                                                 (unsigned long *)&phy_addr,
1916                                                                 (unsigned long *)&len);
1917                                 else
1918                                         ret = ion_phys(rk_fb->ion_client, hdl,
1919                                                         &phy_addr, &len);
1920 #endif
1921                                 if (ret < 0) {
1922                                         dev_err(fbi->dev, "ion map to get phy addr failed\n");
1923                                         ion_free(rk_fb->ion_client, hdl);
1924                                         return -ENOMEM;
1925                                 }
1926                                 reg_win_data->reg_area_data[i].smem_start = phy_addr;
1927                                 reg_win_data->area_buf_num++;
1928                                 reg_win_data->reg_area_data[i].index_buf = 1;
1929                                 reg_win_data->reg_area_data[i].buff_len = len;
1930                         }
1931                 }
1932         } else {
1933                 reg_win_data->reg_area_data[0].smem_start =
1934                     win_par->area_par[0].phy_addr;
1935                 reg_win_data->area_num = 1;
1936                 reg_win_data->area_buf_num++;
1937                 fbi->screen_base = phys_to_virt(win_par->area_par[0].phy_addr);
1938         }
1939
1940         if (reg_win_data->area_num == 0)
1941                 return 0;
1942
1943         for (i = 0; i < reg_win_data->area_num; i++) {
1944                 acq_fence_fd = win_par->area_par[i].acq_fence_fd;
1945                 index_buf = reg_win_data->reg_area_data[i].index_buf;
1946                 if ((acq_fence_fd > 0) && (index_buf == 1)) {
1947                         reg_win_data->reg_area_data[i].acq_fence =
1948                             sync_fence_fdget(win_par->area_par[i].acq_fence_fd);
1949                 }
1950         }
1951         if (reg_win_data->reg_area_data[0].smem_start > 0) {
1952                 reg_win_data->z_order = win_par->z_order;
1953                 reg_win_data->win_id = win_par->win_id;
1954         } else {
1955                 reg_win_data->z_order = -1;
1956                 reg_win_data->win_id = -1;
1957         }
1958
1959         reg_win_data->mirror_en = win_par->mirror_en;
1960         for (i = 0; i < reg_win_data->area_num; i++) {
1961                 rk_fb_check_config_var(&win_par->area_par[i], screen);
1962
1963                 fb_data_fmt = rk_fb_data_fmt(win_par->area_par[i].data_format, 0);
1964                 reg_win_data->reg_area_data[i].data_format = fb_data_fmt;
1965                 if (fb_data_fmt >= FBDC_RGB_565) {
1966                         reg_win_data->reg_area_data[i].fbdc_en = 1;
1967                         reg_win_data->reg_area_data[i].fbdc_cor_en = 1;
1968                 } else {
1969                         reg_win_data->reg_area_data[i].fbdc_en = 0;
1970                         reg_win_data->reg_area_data[i].fbdc_cor_en = 0;
1971                 }
1972                 pixel_width = rk_fb_pixel_width(fb_data_fmt);
1973
1974                 ppixel_a |= ((fb_data_fmt == ARGB888) ||
1975                              (fb_data_fmt == FBDC_ARGB_888) ||
1976                              (fb_data_fmt == FBDC_ABGR_888) ||
1977                              (fb_data_fmt == ABGR888)) ? 1 : 0;
1978                 /* visiable pos in panel */
1979                 reg_win_data->reg_area_data[i].xpos = win_par->area_par[i].xpos;
1980                 reg_win_data->reg_area_data[i].ypos = win_par->area_par[i].ypos;
1981
1982                 /* realy size in panel */
1983                 reg_win_data->reg_area_data[i].xsize = win_par->area_par[i].xsize;
1984                 reg_win_data->reg_area_data[i].ysize = win_par->area_par[i].ysize;
1985
1986                 /* realy size in panel */
1987                 reg_win_data->reg_area_data[i].xact = win_par->area_par[i].xact;
1988                 reg_win_data->reg_area_data[i].yact = win_par->area_par[i].yact;
1989
1990                 xoffset = win_par->area_par[i].x_offset;        /* buf offset */
1991                 yoffset = win_par->area_par[i].y_offset;
1992                 reg_win_data->reg_area_data[i].xoff = xoffset;
1993                 reg_win_data->reg_area_data[i].yoff = yoffset;
1994
1995                 xvir = win_par->area_par[i].xvir;
1996                 reg_win_data->reg_area_data[i].xvir = xvir;
1997                 yvir = win_par->area_par[i].yvir;
1998                 reg_win_data->reg_area_data[i].yvir = yvir;
1999
2000                 vir_width_bit = pixel_width * xvir;
2001                 /* pixel_width = byte_num*8 */
2002                 stride_32bit_1 = ((vir_width_bit + 31) & (~31)) / 8;
2003                 stride_32bit_2 = ((vir_width_bit * 2 + 31) & (~31)) / 8;
2004
2005                 stride = stride_32bit_1;        /* default rgb */
2006                 fix->line_length = stride;
2007                 reg_win_data->reg_area_data[i].y_vir_stride = stride >> 2;
2008
2009                 /* x y mirror ,jump line
2010                  * reg_win_data->reg_area_data[i].y_offset =
2011                  *              yoffset*stride+xoffset*pixel_width/8;
2012                  */
2013                 if ((screen->y_mirror == 1) || (reg_win_data->mirror_en)) {
2014                         if (screen->interlace == 1) {
2015                                 reg_win_data->reg_area_data[i].y_offset =
2016                                     yoffset * stride * 2 +
2017                                     ((reg_win_data->reg_area_data[i].yact - 1) * 2 + 1) * stride +
2018                                     xoffset * pixel_width / 8;
2019                         } else {
2020                                 reg_win_data->reg_area_data[i].y_offset =
2021                                     yoffset * stride +
2022                                     (reg_win_data->reg_area_data[i].yact - 1) * stride +
2023                                     xoffset * pixel_width / 8;
2024                         }
2025                 } else {
2026                         if (screen->interlace == 1) {
2027                                 reg_win_data->reg_area_data[i].y_offset =
2028                                     yoffset * stride * 2 +
2029                                     xoffset * pixel_width / 8;
2030                         } else {
2031                                 reg_win_data->reg_area_data[i].y_offset =
2032                                     yoffset * stride +
2033                                     xoffset * pixel_width / 8;
2034                         }
2035                 }
2036                 if ((fb_data_fmt != YUV420) &&
2037                     (fb_data_fmt != YUV420_NV21) &&
2038                     (fb_data_fmt != YUV422) &&
2039                     (fb_data_fmt != YUV444) &&
2040                     dev_drv->iommu_enabled) {
2041                         buff_len = reg_win_data->reg_area_data[i].y_offset +
2042                                 reg_win_data->reg_area_data[i].xvir *
2043                                 reg_win_data->reg_area_data[i].yact *
2044                                 pixel_width / 8 -
2045                                 reg_win_data->reg_area_data[i].xoff*
2046                                 pixel_width / 8;
2047                         if (buff_len > reg_win_data->reg_area_data[i].buff_len)
2048                                 pr_err("\n!!!!!!error: fmt=%d,xvir[%d]*"
2049                                        "yact[%d]*bpp[%d]"
2050                                        "=buff_len[0x%x]>>mmu len=0x%x\n",
2051                                        fb_data_fmt,
2052                                        reg_win_data->reg_area_data[i].xvir,
2053                                        reg_win_data->reg_area_data[i].yact,
2054                                        pixel_width, buff_len,
2055                                        reg_win_data->reg_area_data[i].buff_len);
2056                 }
2057         }
2058
2059         global_a = (win_par->g_alpha_val == 0) ? 0 : 1;
2060         reg_win_data->alpha_en = ppixel_a | global_a;
2061         reg_win_data->g_alpha_val = win_par->g_alpha_val;
2062         reg_win_data->alpha_mode = win_par->alpha_mode;
2063
2064         switch (fb_data_fmt) {
2065         case YUV422:
2066         case YUV422_A:
2067                 is_pic_yuv = 1;
2068                 stride = stride_32bit_1;
2069                 uv_stride = stride_32bit_1 >> 1;
2070                 uv_x_off = xoffset >> 1;
2071                 uv_y_off = yoffset;
2072                 fix->line_length = stride;
2073                 uv_y_act = win_par->area_par[0].yact >> 1;
2074                 break;
2075         case YUV420:            /* nv12 */
2076         case YUV420_NV21:       /* nv21 */
2077         case YUV420_A:
2078                 is_pic_yuv = 1;
2079                 stride = stride_32bit_1;
2080                 uv_stride = stride_32bit_1;
2081                 uv_x_off = xoffset;
2082                 uv_y_off = yoffset >> 1;
2083                 fix->line_length = stride;
2084                 uv_y_act = win_par->area_par[0].yact >> 1;
2085                 break;
2086         case YUV444:
2087         case YUV444_A:
2088                 is_pic_yuv = 1;
2089                 stride = stride_32bit_1;
2090                 uv_stride = stride_32bit_2;
2091                 uv_x_off = xoffset * 2;
2092                 uv_y_off = yoffset;
2093                 fix->line_length = stride << 2;
2094                 uv_y_act = win_par->area_par[0].yact;
2095                 break;
2096         default:
2097                 break;
2098         }
2099         if (is_pic_yuv == 1) {
2100                 reg_win_data->reg_area_data[0].cbr_start =
2101                     reg_win_data->reg_area_data[0].smem_start + xvir * yvir;
2102                 reg_win_data->reg_area_data[0].uv_vir_stride = uv_stride >> 2;
2103                 if ((screen->y_mirror == 1) || (reg_win_data->mirror_en)) {
2104                         if (screen->interlace == 1) {
2105                                 reg_win_data->reg_area_data[0].c_offset =
2106                                     uv_y_off * uv_stride * 2 +
2107                                     ((uv_y_act - 1) * 2 + 1) * uv_stride +
2108                                     uv_x_off * pixel_width / 8;
2109                         } else {
2110                                 reg_win_data->reg_area_data[0].c_offset =
2111                                     uv_y_off * uv_stride +
2112                                     (uv_y_act - 1) * uv_stride +
2113                                     uv_x_off * pixel_width / 8;
2114                         }
2115                 } else {
2116                         if (screen->interlace == 1) {
2117                                 reg_win_data->reg_area_data[0].c_offset =
2118                                     uv_y_off * uv_stride * 2 +
2119                                     uv_x_off * pixel_width / 8;
2120                         } else {
2121                                 reg_win_data->reg_area_data[0].c_offset =
2122                                     uv_y_off * uv_stride +
2123                                     uv_x_off * pixel_width / 8;
2124                         }
2125                 }
2126                 buff_len = reg_win_data->reg_area_data[0].cbr_start +
2127                         reg_win_data->reg_area_data[0].c_offset +
2128                         reg_win_data->reg_area_data[0].xvir *
2129                         reg_win_data->reg_area_data[0].yact *
2130                         pixel_width / 16 -
2131                         reg_win_data->reg_area_data[0].smem_start -
2132                         reg_win_data->reg_area_data[0].xoff*
2133                         pixel_width / 16 ;
2134                 if ((buff_len > reg_win_data->reg_area_data[0].buff_len) &&
2135                      dev_drv->iommu_enabled)
2136                         pr_err("\n!!!!!!error: fmt=%d,xvir[%d]*"
2137                                "yact[%d]*bpp[%d]"
2138                                "=buff_len[0x%x]>>mmu len=0x%x\n",
2139                                fb_data_fmt,
2140                                reg_win_data->reg_area_data[0].xvir,
2141                                reg_win_data->reg_area_data[0].yact,
2142                                pixel_width, buff_len,
2143                                reg_win_data->reg_area_data[0].buff_len);
2144         }
2145
2146         /* record buffer information for rk_fb_disp_scale to prevent fence timeout
2147          * because rk_fb_disp_scale will call function info->fbops->fb_set_par(info);
2148          */
2149         info->var.yoffset = yoffset;
2150         info->var.xoffset = xoffset;
2151         return 0;
2152 }
2153
2154 static int rk_fb_set_win_config(struct fb_info *info,
2155                                 struct rk_fb_win_cfg_data *win_data)
2156 {
2157         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2158         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2159         struct rk_fb_reg_data *regs;
2160 #ifdef H_USE_FENCE
2161         struct sync_fence *release_fence[RK_MAX_BUF_NUM];
2162         struct sync_fence *retire_fence;
2163         struct sync_pt *release_sync_pt[RK_MAX_BUF_NUM];
2164         struct sync_pt *retire_sync_pt;
2165         char fence_name[20];
2166 #endif
2167         int ret = 0, i, j = 0;
2168         int list_is_empty = 0;
2169
2170         if (dev_drv->suspend_flag) {
2171                 dev_drv->timeline_max++;
2172                 sw_sync_timeline_inc(dev_drv->timeline, 1);
2173                 return 0;
2174         }
2175
2176         regs = kzalloc(sizeof(struct rk_fb_reg_data), GFP_KERNEL);
2177         if (!regs) {
2178                 printk(KERN_INFO "could not allocate rk_fb_reg_data\n");
2179                 ret = -ENOMEM;
2180                 return ret;
2181         }
2182
2183 /*
2184         regs->post_cfg.xpos = win_data->post_cfg.xpos;
2185         regs->post_cfg.ypos = win_data->post_cfg.ypos;
2186         regs->post_cfg.xsize = win_data->post_cfg.xsize;
2187         regs->post_cfg.ysize = win_data->post_cfg.xsize;
2188 */
2189
2190         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
2191                 if (win_data->win_par[i].win_id < dev_drv->lcdc_win_num) {
2192                         if (rk_fb_set_win_buffer(info, &win_data->win_par[i],
2193                                                         &regs->reg_win_data[j]))
2194                                 return -ENOMEM;
2195                         if (regs->reg_win_data[j].area_num > 0) {
2196                                 regs->win_num++;
2197                                 regs->buf_num +=
2198                                     regs->reg_win_data[j].area_buf_num;
2199                         }
2200                         j++;
2201                 } else {
2202                         printk(KERN_INFO "error:win_id bigger than lcdc_win_num\n");
2203                         printk(KERN_INFO "i=%d,win_id=%d\n", i,
2204                                win_data->win_par[i].win_id);
2205                 }
2206         }
2207
2208         mutex_lock(&dev_drv->output_lock);
2209
2210         dev_drv->timeline_max++;
2211 #ifdef H_USE_FENCE
2212         for (i = 0; i < RK_MAX_BUF_NUM; i++) {
2213                 if (i < regs->buf_num) {
2214                         sprintf(fence_name, "fence%d", i);
2215                         win_data->rel_fence_fd[i] = get_unused_fd();
2216                         if (win_data->rel_fence_fd[i] < 0) {
2217                                 printk(KERN_INFO "rel_fence_fd=%d\n",
2218                                        win_data->rel_fence_fd[i]);
2219                                 ret = -EFAULT;
2220                                 goto err;
2221                         }
2222                         release_sync_pt[i] =
2223                             sw_sync_pt_create(dev_drv->timeline,
2224                                               dev_drv->timeline_max);
2225                         release_fence[i] =
2226                             sync_fence_create(fence_name, release_sync_pt[i]);
2227                         sync_fence_install(release_fence[i],
2228                                            win_data->rel_fence_fd[i]);
2229                 } else {
2230                         win_data->rel_fence_fd[i] = -1;
2231                 }
2232         }
2233
2234         win_data->ret_fence_fd = get_unused_fd();
2235         if (win_data->ret_fence_fd < 0) {
2236                 printk("ret_fence_fd=%d\n", win_data->ret_fence_fd);
2237                 win_data->ret_fence_fd = -1;
2238                 ret = -EFAULT;
2239                 goto err;
2240         }
2241         retire_sync_pt =
2242             sw_sync_pt_create(dev_drv->timeline, dev_drv->timeline_max);
2243         retire_fence = sync_fence_create("ret_fence", retire_sync_pt);
2244         sync_fence_install(retire_fence, win_data->ret_fence_fd);
2245 #else
2246         for (i = 0; i < RK_MAX_BUF_NUM; i++)
2247                 win_data->rel_fence_fd[i] = -1;
2248
2249         win_data->ret_fence_fd = -1;
2250 #endif
2251         if (dev_drv->wait_fs == 0) {
2252                 mutex_lock(&dev_drv->update_regs_list_lock);
2253                 list_add_tail(&regs->list, &dev_drv->update_regs_list);
2254                 mutex_unlock(&dev_drv->update_regs_list_lock);
2255                 queue_kthread_work(&dev_drv->update_regs_worker,
2256                                    &dev_drv->update_regs_work);
2257         } else {
2258                 mutex_lock(&dev_drv->update_regs_list_lock);
2259                 list_is_empty = list_empty(&dev_drv->update_regs_list) &&
2260                                         list_empty(&dev_drv->saved_list);
2261                 mutex_unlock(&dev_drv->update_regs_list_lock);
2262                 if (!list_is_empty) {
2263                         ret = wait_event_timeout(dev_drv->update_regs_wait,
2264                                 list_empty(&dev_drv->update_regs_list) && list_empty(&dev_drv->saved_list),
2265                                 msecs_to_jiffies(60));
2266                         if (ret > 0)
2267                                 rk_fb_update_reg(dev_drv, regs);
2268                         else
2269                                 printk("%s: wait update_regs_wait timeout\n", __func__);
2270                 } else if (ret == 0) {
2271                         rk_fb_update_reg(dev_drv, regs);
2272                 }
2273         }
2274
2275 err:
2276         mutex_unlock(&dev_drv->output_lock);
2277         return ret;
2278 }
2279
2280 #if 1
2281 static int cfgdone_distlist[10] = { 0 };
2282
2283 static int cfgdone_index;
2284 static int cfgdone_lasttime;
2285
2286 int rk_get_real_fps(int before)
2287 {
2288         struct timespec now;
2289         int dist_curr;
2290         int dist_total = 0;
2291         int dist_count = 0;
2292         int dist_first = 0;
2293
2294         int index = cfgdone_index;
2295         int i = 0, fps = 0;
2296         int total;
2297
2298         if (before > 100)
2299                 before = 100;
2300         if (before < 0)
2301                 before = 0;
2302
2303         getnstimeofday(&now);
2304         dist_curr = (now.tv_sec * 1000000 + now.tv_nsec / 1000) -
2305                         cfgdone_lasttime;
2306         total = dist_curr;
2307         /*
2308            printk("fps: ");
2309          */
2310         for (i = 0; i < 10; i++) {
2311                 if (--index < 0)
2312                         index = 9;
2313                 total += cfgdone_distlist[index];
2314                 if (i == 0)
2315                         dist_first = cfgdone_distlist[index];
2316                 if (total < (before * 1000)) {
2317                         /*
2318                            printk("[%d:%d] ", dist_count, cfgdone_distlist[index]);
2319                          */
2320                         dist_total += cfgdone_distlist[index];
2321                         dist_count++;
2322                 } else {
2323                         break;
2324                 }
2325         }
2326
2327         /*
2328            printk("total %d, count %d, curr %d, ", dist_total, dist_count, dist_curr);
2329          */
2330         dist_curr = (dist_curr > dist_first) ? dist_curr : dist_first;
2331         dist_total += dist_curr;
2332         dist_count++;
2333
2334         if (dist_total > 0)
2335                 fps = (1000000 * dist_count) / dist_total;
2336         else
2337                 fps = 60;
2338
2339         /*
2340            printk("curr2 %d, fps=%d\n", dist_curr, fps);
2341          */
2342         return fps;
2343 }
2344 EXPORT_SYMBOL(rk_get_real_fps);
2345
2346 #endif
2347 #ifdef CONFIG_ROCKCHIP_IOMMU
2348 #define ION_MAX 10
2349 static struct ion_handle *ion_hanle[ION_MAX];
2350 static struct ion_handle *ion_hwc[1];
2351 #endif
2352 static int rk_fb_ioctl(struct fb_info *info, unsigned int cmd,
2353                        unsigned long arg)
2354 {
2355         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2356         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2357         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2358         struct fb_fix_screeninfo *fix = &info->fix;
2359         struct rk_lcdc_win *win;
2360         int enable;     /* enable fb:1 enable;0 disable */
2361         int ovl;        /* overlay:0 win1 on the top of win0;1,win0 on the top of win1 */
2362         int num_buf;    /* buffer_number */
2363         int ret;
2364         struct rk_fb_win_cfg_data win_data;
2365         unsigned int dsp_addr[4][4];
2366         int list_stat;
2367
2368         int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2369
2370         void __user *argp = (void __user *)arg;
2371         win = dev_drv->win[win_id];
2372
2373         switch (cmd) {
2374         case RK_FBIOSET_HWC_ADDR:
2375         {
2376                 u32 hwc_phy[1];
2377                 if (copy_from_user(hwc_phy, argp, 4))
2378                         return -EFAULT;
2379 #ifdef CONFIG_ROCKCHIP_IOMMU
2380                 if (!dev_drv->iommu_enabled) {
2381 #endif
2382                         fix->smem_start = hwc_phy[0];
2383 #ifdef CONFIG_ROCKCHIP_IOMMU
2384                 } else {
2385                         int usr_fd;
2386                         struct ion_handle *hdl;
2387                         ion_phys_addr_t phy_addr;
2388                         size_t len;
2389
2390                         usr_fd = hwc_phy[0];
2391                         if (!usr_fd) {
2392                                 fix->smem_start = 0;
2393                                 fix->mmio_start = 0;
2394                                 dev_drv->ops->open(dev_drv, win_id, 0);
2395                                 break;
2396                         }
2397
2398                         if (ion_hwc[0] != 0) {
2399                                 ion_free(rk_fb->ion_client, ion_hwc[0]);
2400                                 ion_hwc[0] = 0;
2401                         }
2402
2403                         hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2404                         if (IS_ERR(hdl)) {
2405                                 dev_err(info->dev, "failed to get hwc ion handle:%ld\n",
2406                                         PTR_ERR(hdl));
2407                                 return -EFAULT;
2408                         }
2409
2410                         ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2411                                                 (unsigned long *)&phy_addr,
2412                                                 (unsigned long *)&len);
2413                         if (ret < 0) {
2414                                 dev_err(info->dev, "ion map to get hwc phy addr failed");
2415                                 ion_free(rk_fb->ion_client, hdl);
2416                                 return -ENOMEM;
2417                         }
2418                         fix->smem_start = phy_addr;
2419                         ion_hwc[0] = hdl;
2420                 }
2421 #endif
2422                 break;
2423         }
2424         case RK_FBIOSET_YUV_ADDR:
2425                 {
2426                         u32 yuv_phy[2];
2427
2428                         if (copy_from_user(yuv_phy, argp, 8))
2429                                 return -EFAULT;
2430                         #ifdef CONFIG_ROCKCHIP_IOMMU
2431                         if (!dev_drv->iommu_enabled || !strcmp(info->fix.id, "fb0")) {
2432                         #endif
2433                                 fix->smem_start = yuv_phy[0];
2434                                 fix->mmio_start = yuv_phy[1];
2435                         #ifdef CONFIG_ROCKCHIP_IOMMU
2436                         } else {
2437                                 int usr_fd, offset, tmp;
2438                                 struct ion_handle *hdl;
2439                                 ion_phys_addr_t phy_addr;
2440                                 size_t len;
2441
2442                                 usr_fd = yuv_phy[0];
2443                                 offset = yuv_phy[1] - yuv_phy[0];
2444                                 if (!usr_fd) {
2445                                         fix->smem_start = 0;
2446                                         fix->mmio_start = 0;
2447                                         break;
2448                                 }
2449
2450                                 if (ion_hanle[ION_MAX - 1] != 0) {
2451                                         /*ion_unmap_kernel(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);*/
2452                                         /*ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client, ion_hanle[ION_MAX - 1]);*/
2453                                         ion_free(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);
2454                                         ion_hanle[ION_MAX - 1] = 0;
2455                                 }
2456
2457                                 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2458                                 if (IS_ERR(hdl)) {
2459                                         dev_err(info->dev, "failed to get ion handle:%ld\n",
2460                                                 PTR_ERR(hdl));
2461                                         return -EFAULT;
2462                                 }
2463
2464                                 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2465                                                         (unsigned long *)&phy_addr,
2466                                                         (unsigned long *)&len);
2467                                 if (ret < 0) {
2468                                         dev_err(info->dev, "ion map to get phy addr failed");
2469                                         ion_free(rk_fb->ion_client, hdl);
2470                                         return -ENOMEM;
2471                                 }
2472                                 fix->smem_start = phy_addr;
2473                                 fix->mmio_start = phy_addr + offset;
2474                                 fix->smem_len = len;
2475                                 /*info->screen_base = ion_map_kernel(rk_fb->ion_client, hdl);*/
2476
2477                                 ion_hanle[0] = hdl;
2478                                 for (tmp = ION_MAX - 1; tmp > 0; tmp--)
2479                                         ion_hanle[tmp] = ion_hanle[tmp - 1];
2480                                 ion_hanle[0] = 0;
2481                         }
2482                         #endif
2483                         break;
2484                 }
2485         case RK_FBIOSET_ENABLE:
2486                 if (copy_from_user(&enable, argp, sizeof(enable)))
2487                         return -EFAULT;
2488                                 if (enable && fb_par->state)
2489                                         fb_par->state++;
2490                                 else
2491                                         fb_par->state--;
2492                 dev_drv->ops->open(dev_drv, win_id, enable);
2493                 break;
2494         case RK_FBIOGET_ENABLE:
2495                 enable = dev_drv->ops->get_win_state(dev_drv, win_id, 0);
2496                 if (copy_to_user(argp, &enable, sizeof(enable)))
2497                         return -EFAULT;
2498                 break;
2499         case RK_FBIOSET_OVERLAY_STA:
2500                 if (copy_from_user(&ovl, argp, sizeof(ovl)))
2501                         return -EFAULT;
2502                 dev_drv->ops->ovl_mgr(dev_drv, ovl, 1);
2503                 break;
2504         case RK_FBIOGET_OVERLAY_STA:
2505                 ovl = dev_drv->ops->ovl_mgr(dev_drv, 0, 0);
2506                 if (copy_to_user(argp, &ovl, sizeof(ovl)))
2507                         return -EFAULT;
2508                 break;
2509         case RK_FBIOPUT_NUM_BUFFERS:
2510                 if (copy_from_user(&num_buf, argp, sizeof(num_buf)))
2511                         return -EFAULT;
2512                 dev_drv->num_buf = num_buf;
2513                 break;
2514         case RK_FBIOSET_VSYNC_ENABLE:
2515                 if (copy_from_user(&enable, argp, sizeof(enable)))
2516                         return -EFAULT;
2517                 dev_drv->vsync_info.active = enable;
2518                 break;
2519
2520         case RK_FBIOGET_DSP_ADDR:
2521                 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
2522                 if (copy_to_user(argp, &dsp_addr, sizeof(dsp_addr)))
2523                         return -EFAULT;
2524                 break;
2525         case RK_FBIOGET_LIST_STA:
2526                 list_stat = rk_fb_get_list_stat(dev_drv);
2527                 if (copy_to_user(argp, &list_stat, sizeof(list_stat)))
2528                         return -EFAULT;
2529
2530                 break;
2531         case RK_FBIOGET_IOMMU_STA:
2532                 if (copy_to_user(argp, &dev_drv->iommu_enabled,
2533                                  sizeof(dev_drv->iommu_enabled)))
2534                         return -EFAULT;
2535                 break;
2536 #if defined(CONFIG_ION_ROCKCHIP)
2537         case RK_FBIOSET_DMABUF_FD:
2538                 {
2539                         int usr_fd;
2540                         struct ion_handle *hdl;
2541                         ion_phys_addr_t phy_addr;
2542                         size_t len;
2543                         if (copy_from_user(&usr_fd, argp, sizeof(usr_fd)))
2544                                 return -EFAULT;
2545                         hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2546                         ion_phys(rk_fb->ion_client, hdl, &phy_addr, &len);
2547                         fix->smem_start = phy_addr;
2548                         break;
2549                 }
2550         case RK_FBIOGET_DMABUF_FD:
2551                 {
2552                         int fd = -1;
2553
2554                         if (IS_ERR_OR_NULL(fb_par->ion_hdl)) {
2555                                 dev_err(info->dev,
2556                                         "get dma_buf fd failed,ion handle is err\n");
2557                                 return PTR_ERR(fb_par->ion_hdl);
2558                         }
2559                         fd = ion_share_dma_buf_fd(rk_fb->ion_client,
2560                                                   fb_par->ion_hdl);
2561                         if (fd < 0) {
2562                                 dev_err(info->dev,
2563                                         "ion_share_dma_buf_fd failed\n");
2564                                 return fd;
2565                         }
2566                         if (copy_to_user(argp, &fd, sizeof(fd)))
2567                                 return -EFAULT;
2568                         break;
2569                 }
2570 #endif
2571         case RK_FBIOSET_CLEAR_FB:
2572                 memset(fb_par->fb_virt_base, 0, fb_par->fb_size);
2573                 break;
2574         case RK_FBIOSET_CONFIG_DONE:
2575                 {
2576                         int curr = 0;
2577                         struct timespec now;
2578
2579                         getnstimeofday(&now);
2580                         curr = now.tv_sec * 1000000 + now.tv_nsec / 1000;
2581                         cfgdone_distlist[cfgdone_index++] =
2582                             curr - cfgdone_lasttime;
2583                         /*
2584                            printk("%d ", curr - cfgdone_lasttime);
2585                          */
2586                         cfgdone_lasttime = curr;
2587                         if (cfgdone_index >= 10)
2588                                 cfgdone_index = 0;
2589                 }
2590                 if (copy_from_user(&win_data,
2591                                    (struct rk_fb_win_cfg_data __user *)argp,
2592                                    sizeof(win_data))) {
2593                         ret = -EFAULT;
2594                         break;
2595                 };
2596
2597                 dev_drv->wait_fs = win_data.wait_fs;
2598                 rk_fb_set_win_config(info, &win_data);
2599
2600                 if (copy_to_user((struct rk_fb_win_cfg_data __user *)arg,
2601                                  &win_data, sizeof(win_data))) {
2602                         ret = -EFAULT;
2603                         break;
2604                 }
2605                 memset(&win_data, 0, sizeof(struct rk_fb_win_cfg_data));
2606                 break;
2607         default:
2608                 dev_drv->ops->ioctl(dev_drv, cmd, arg, win_id);
2609                 break;
2610         }
2611
2612         return 0;
2613 }
2614
2615 static int rk_fb_blank(int blank_mode, struct fb_info *info)
2616 {
2617         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2618         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2619         struct fb_fix_screeninfo *fix = &info->fix;
2620         int win_id;
2621 #if defined(CONFIG_RK_HDMI)
2622         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2623 #endif
2624
2625         win_id = dev_drv->ops->fb_get_win_id(dev_drv, fix->id);
2626         if (win_id < 0)
2627                 return -ENODEV;
2628 #if defined(CONFIG_RK_HDMI)
2629         if ((rk_fb->disp_mode == ONE_DUAL) &&
2630             (hdmi_get_hotplug() == HDMI_HPD_ACTIVED)) {
2631                 printk(KERN_INFO "hdmi is connect , not blank lcdc\n");
2632         } else
2633 #endif
2634         {
2635                 dev_drv->ops->blank(dev_drv, win_id, blank_mode);
2636         }
2637         return 0;
2638 }
2639
2640 static int rk_fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
2641 {
2642         if ((0 == var->xres_virtual) || (0 == var->yres_virtual) ||
2643             (0 == var->xres) || (0 == var->yres) || (var->xres < 16) ||
2644             ((16 != var->bits_per_pixel) &&
2645             (32 != var->bits_per_pixel) &&
2646             (24 != var->bits_per_pixel))) {
2647                 dev_err(info->dev, "%s check var fail 1:\n"
2648                         "xres_vir:%d>>yres_vir:%d\n"
2649                         "xres:%d>>yres:%d\n"
2650                         "bits_per_pixel:%d\n",
2651                         info->fix.id,
2652                         var->xres_virtual,
2653                         var->yres_virtual,
2654                         var->xres, var->yres, var->bits_per_pixel);
2655                 return -EINVAL;
2656         }
2657
2658         if (((var->xoffset + var->xres) > var->xres_virtual) ||
2659             ((var->yoffset + var->yres) > (var->yres_virtual))) {
2660                 dev_err(info->dev, "%s check_var fail 2:\n"
2661                         "xoffset:%d>>xres:%d>>xres_vir:%d\n"
2662                         "yoffset:%d>>yres:%d>>yres_vir:%d\n",
2663                         info->fix.id,
2664                         var->xoffset,
2665                         var->xres,
2666                         var->xres_virtual,
2667                         var->yoffset, var->yres, var->yres_virtual);
2668                 return -EINVAL;
2669         }
2670
2671         return 0;
2672 }
2673
2674 static ssize_t rk_fb_read(struct fb_info *info, char __user *buf,
2675                           size_t count, loff_t *ppos)
2676 {
2677         unsigned long p = *ppos;
2678         u8 *buffer, *dst;
2679         u8 __iomem *src;
2680         int c, cnt = 0, err = 0;
2681         unsigned long total_size;
2682         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2683         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2684         struct rk_lcdc_win *win = NULL;
2685         int win_id = 0;
2686
2687         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2688         if (win_id < 0)
2689                 return -ENODEV;
2690         else
2691                 win = dev_drv->win[win_id];
2692
2693         /* only read the current frame buffer */
2694         if (win->area[0].format == RGB565) {
2695                 total_size = win->area[0].y_vir_stride * win->area[0].yact << 1;
2696         } else if ((win->area[0].format == YUV420) ||
2697                    (win->area[0].format == YUV420_NV21)) {
2698                 total_size =
2699                     (win->area[0].y_vir_stride * win->area[0].yact * 6);
2700         } else {
2701                 total_size = win->area[0].y_vir_stride * win->area[0].yact << 2;
2702         }
2703         if (p >= total_size)
2704                 return 0;
2705
2706         if (count >= total_size)
2707                 count = total_size;
2708
2709         if (count + p > total_size)
2710                 count = total_size - p;
2711
2712         buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
2713         if (!buffer)
2714                 return -ENOMEM;
2715
2716         src = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
2717
2718         while (count) {
2719                 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
2720                 dst = buffer;
2721                 fb_memcpy_fromfb(dst, src, c);
2722                 dst += c;
2723                 src += c;
2724
2725                 if (copy_to_user(buf, buffer, c)) {
2726                         err = -EFAULT;
2727                         break;
2728                 }
2729                 *ppos += c;
2730                 buf += c;
2731                 cnt += c;
2732                 count -= c;
2733         }
2734
2735         kfree(buffer);
2736
2737         return (err) ? err : cnt;
2738 }
2739
2740 static ssize_t rk_fb_write(struct fb_info *info, const char __user *buf,
2741                            size_t count, loff_t *ppos)
2742 {
2743         unsigned long p = *ppos;
2744         u8 *buffer, *src;
2745         u8 __iomem *dst;
2746         int c, cnt = 0, err = 0;
2747         unsigned long total_size;
2748         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2749         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2750         struct rk_lcdc_win *win = NULL;
2751         int win_id = 0;
2752
2753         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2754         if (win_id < 0)
2755                 return -ENODEV;
2756         else
2757                 win = dev_drv->win[win_id];
2758
2759         /* write the current frame buffer */
2760         if (win->area[0].format == RGB565)
2761                 total_size = win->area[0].xact * win->area[0].yact << 1;
2762         else
2763                 total_size = win->area[0].xact * win->area[0].yact << 2;
2764
2765         if (p > total_size)
2766                 return -EFBIG;
2767
2768         if (count > total_size) {
2769                 err = -EFBIG;
2770                 count = total_size;
2771         }
2772
2773         if (count + p > total_size) {
2774                 if (!err)
2775                         err = -ENOSPC;
2776
2777                 count = total_size - p;
2778         }
2779
2780         buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
2781         if (!buffer)
2782                 return -ENOMEM;
2783
2784         dst = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
2785
2786         while (count) {
2787                 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
2788                 src = buffer;
2789
2790                 if (copy_from_user(src, buf, c)) {
2791                         err = -EFAULT;
2792                         break;
2793                 }
2794
2795                 fb_memcpy_tofb(dst, src, c);
2796                 dst += c;
2797                 src += c;
2798                 *ppos += c;
2799                 buf += c;
2800                 cnt += c;
2801                 count -= c;
2802         }
2803
2804         kfree(buffer);
2805
2806         return (cnt) ? cnt : err;
2807 }
2808
2809 static int rk_fb_set_par(struct fb_info *info)
2810 {
2811         struct fb_var_screeninfo *var = &info->var;
2812         struct fb_fix_screeninfo *fix = &info->fix;
2813         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2814         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2815         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2816         struct rk_lcdc_win *win = NULL;
2817         struct rk_screen *screen = dev_drv->cur_screen;
2818         int win_id = 0;
2819         u32 cblen = 0, crlen = 0;
2820         u16 xsize = 0, ysize = 0;       /* winx display window height/width --->LCDC_WINx_DSP_INFO */
2821         u32 xoffset = var->xoffset;     /* offset from virtual to visible */
2822         u32 yoffset = var->yoffset;
2823         u16 xpos = (var->nonstd >> 8) & 0xfff;  /*visiable pos in panel */
2824         u16 ypos = (var->nonstd >> 20) & 0xfff;
2825         u32 xvir = var->xres_virtual;
2826         u32 yvir = var->yres_virtual;
2827         u8 data_format = var->nonstd & 0xff;
2828         u8 fb_data_fmt;
2829         u8 pixel_width;
2830         u32 vir_width_bit;
2831         u32 stride, uv_stride;
2832         u32 stride_32bit_1;
2833         u32 stride_32bit_2;
2834         u16 uv_x_off, uv_y_off, uv_y_act;
2835         u8 is_pic_yuv = 0;
2836         /*var->pixclock = dev_drv->pixclock;*/
2837         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2838         if (win_id < 0)
2839                 return -ENODEV;
2840         else
2841                 win = dev_drv->win[win_id];
2842
2843         /* if the application has specific the horizontal and vertical display size */
2844         if (var->grayscale >> 8) {
2845                 xsize = (var->grayscale >> 8) & 0xfff;
2846                 ysize = (var->grayscale >> 20) & 0xfff;
2847                 if (xsize > screen->mode.xres)
2848                         xsize = screen->mode.xres;
2849                 if (ysize > screen->mode.yres)
2850                         ysize = screen->mode.yres;
2851         } else {                /*ohterwise  full  screen display */
2852                 xsize = screen->mode.xres;
2853                 ysize = screen->mode.yres;
2854         }
2855
2856         fb_data_fmt = rk_fb_data_fmt(data_format, var->bits_per_pixel);
2857         if (fb_data_fmt >= FBDC_RGB_565) {
2858                 win->area[0].fbdc_en = 1;
2859                 win->area[0].fbdc_cor_en = 1;
2860         } else {
2861                 win->area[0].fbdc_en = 0;
2862                 win->area[0].fbdc_cor_en = 0;
2863         }
2864         pixel_width = rk_fb_pixel_width(fb_data_fmt);
2865         vir_width_bit = pixel_width * xvir;
2866         /* pixel_width = byte_num * 8 */
2867         stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
2868         stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
2869
2870         switch (fb_data_fmt) {
2871         case YUV422:
2872         case YUV422_A:
2873                 is_pic_yuv = 1;
2874                 stride = stride_32bit_1;
2875                 uv_stride = stride_32bit_1 >> 1;
2876                 uv_x_off = xoffset >> 1;
2877                 uv_y_off = yoffset;
2878                 fix->line_length = stride;
2879                 cblen = crlen = (xvir * yvir) >> 1;
2880                 uv_y_act = win->area[0].yact >> 1;
2881                 break;
2882         case YUV420:            /* nv12 */
2883         case YUV420_NV21:       /* nv21 */
2884         case YUV420_A:
2885                 is_pic_yuv = 1;
2886                 stride = stride_32bit_1;
2887                 uv_stride = stride_32bit_1;
2888                 uv_x_off = xoffset;
2889                 uv_y_off = yoffset >> 1;
2890                 fix->line_length = stride;
2891                 cblen = crlen = (xvir * yvir) >> 2;
2892                 uv_y_act = win->area[0].yact >> 1;
2893                 break;
2894         case YUV444:
2895         case YUV444_A:
2896                 is_pic_yuv = 1;
2897                 stride = stride_32bit_1;
2898                 uv_stride = stride_32bit_2;
2899                 uv_x_off = xoffset * 2;
2900                 uv_y_off = yoffset;
2901                 fix->line_length = stride << 2;
2902                 cblen = crlen = (xvir * yvir);
2903                 uv_y_act = win->area[0].yact;
2904                 break;
2905         default:
2906                 stride = stride_32bit_1;        /* default rgb */
2907                 fix->line_length = stride;
2908                 break;
2909         }
2910
2911         win->area[0].format = fb_data_fmt;
2912         win->area[0].y_vir_stride = stride >> 2;
2913         win->area[0].uv_vir_stride = uv_stride >> 2;
2914         win->area[0].xpos = xpos;
2915         win->area[0].ypos = ypos;
2916         win->area[0].xsize = xsize;
2917         win->area[0].ysize = ysize;
2918         win->area[0].xact = var->xres;  /* winx active window height,is a wint of vir */
2919         win->area[0].yact = var->yres;
2920         win->area[0].xvir = var->xres_virtual;  /* virtual resolution  stride --->LCDC_WINx_VIR */
2921         win->area[0].yvir = var->yres_virtual;
2922         win->area[0].xoff = xoffset;
2923         win->area[0].yoff = yoffset;
2924
2925         win->area_num = 1;
2926         win->alpha_mode = 4;    /* AB_SRC_OVER; */
2927         win->alpha_en = ((win->area[0].format == ARGB888) ||
2928                          (win->area[0].format == FBDC_ARGB_888) ||
2929                          (win->area[0].format == FBDC_ABGR_888) ||
2930                          (win->area[0].format == ABGR888)) ? 1 : 0;
2931         win->g_alpha_val = 0;
2932
2933         if (rk_fb->disp_policy == DISPLAY_POLICY_BOX &&
2934             (win->area[0].format == YUV420 ||
2935              win->area[0].format == YUV420_NV21 ||
2936              win->area[0].format == YUV420_A)) {
2937                 win->state = 1;
2938                 win->z_order = 0;
2939         }
2940         dev_drv->ops->set_par(dev_drv, win_id);
2941
2942         return 0;
2943 }
2944
2945 static inline unsigned int chan_to_field(unsigned int chan,
2946                                          struct fb_bitfield *bf)
2947 {
2948         chan &= 0xffff;
2949         chan >>= 16 - bf->length;
2950         return chan << bf->offset;
2951 }
2952
2953 static int fb_setcolreg(unsigned regno,
2954                         unsigned red, unsigned green, unsigned blue,
2955                         unsigned transp, struct fb_info *info)
2956 {
2957         unsigned int val;
2958
2959         switch (info->fix.visual) {
2960         case FB_VISUAL_TRUECOLOR:
2961                 /* true-colour, use pseudo-palette */
2962                 if (regno < 16) {
2963                         u32 *pal = info->pseudo_palette;
2964                         val = chan_to_field(red, &info->var.red);
2965                         val |= chan_to_field(green, &info->var.green);
2966                         val |= chan_to_field(blue, &info->var.blue);
2967                         pal[regno] = val;
2968                 }
2969                 break;
2970         default:
2971                 return -1;      /* unknown type */
2972         }
2973
2974         return 0;
2975 }
2976
2977 static int rk_fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
2978 {
2979         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
2980         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2981         struct ion_handle *handle = fb_par->ion_hdl;
2982         struct dma_buf *dma_buf = NULL;
2983
2984         if (IS_ERR_OR_NULL(handle)) {
2985                 dev_err(info->dev, "failed to get ion handle:%ld\n",
2986                         PTR_ERR(handle));
2987                 return -ENOMEM;
2988         }
2989         dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
2990         if (IS_ERR_OR_NULL(dma_buf)) {
2991                 printk("get ion share dma buf failed\n");
2992                 return -ENOMEM;
2993         }
2994
2995         vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
2996
2997         return dma_buf_mmap(dma_buf, vma, 0);
2998 }
2999
3000 static struct fb_ops fb_ops = {
3001         .owner = THIS_MODULE,
3002         .fb_open = rk_fb_open,
3003         .fb_release = rk_fb_close,
3004         .fb_check_var = rk_fb_check_var,
3005         .fb_set_par = rk_fb_set_par,
3006         .fb_blank = rk_fb_blank,
3007         .fb_ioctl = rk_fb_ioctl,
3008         .fb_compat_ioctl = rk_fb_ioctl,
3009         .fb_pan_display = rk_fb_pan_display,
3010         .fb_read = rk_fb_read,
3011         .fb_write = rk_fb_write,
3012         .fb_setcolreg = fb_setcolreg,
3013         .fb_fillrect = cfb_fillrect,
3014         .fb_copyarea = cfb_copyarea,
3015         .fb_imageblit = cfb_imageblit,
3016 };
3017
3018 static struct fb_var_screeninfo def_var = {
3019 #if defined(CONFIG_LOGO_LINUX_BMP)
3020         .red = {16, 8, 0},
3021         .green = {8, 8, 0},
3022         .blue = {0, 8, 0},
3023         .transp = {0, 0, 0},
3024         .nonstd = HAL_PIXEL_FORMAT_BGRA_8888,
3025 #else
3026         .red = {11, 5, 0},
3027         .green = {5, 6, 0},
3028         .blue = {0, 5, 0},
3029         .transp = {0, 0, 0},
3030         .nonstd = HAL_PIXEL_FORMAT_RGB_565,     /* (ypos<<20+xpos<<8+format) format */
3031 #endif
3032         .grayscale = 0,         /* (ysize<<20+xsize<<8) */
3033         .activate = FB_ACTIVATE_NOW,
3034         .accel_flags = 0,
3035         .vmode = FB_VMODE_NONINTERLACED,
3036 };
3037
3038 static struct fb_fix_screeninfo def_fix = {
3039         .type = FB_TYPE_PACKED_PIXELS,
3040         .type_aux = 0,
3041         .xpanstep = 1,
3042         .ypanstep = 1,
3043         .ywrapstep = 0,
3044         .accel = FB_ACCEL_NONE,
3045         .visual = FB_VISUAL_TRUECOLOR,
3046
3047 };
3048
3049 static int rk_fb_wait_for_vsync_thread(void *data)
3050 {
3051         struct rk_lcdc_driver *dev_drv = data;
3052         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3053         struct fb_info *fbi = rk_fb->fb[0];
3054
3055         while (!kthread_should_stop()) {
3056                 ktime_t timestamp = dev_drv->vsync_info.timestamp;
3057                 int ret = wait_event_interruptible(dev_drv->vsync_info.wait,
3058                                 !ktime_equal(timestamp, dev_drv->vsync_info.timestamp) &&
3059                                 (dev_drv->vsync_info.active || dev_drv->vsync_info.irq_stop));
3060
3061                 if (!ret)
3062                         sysfs_notify(&fbi->dev->kobj, NULL, "vsync");
3063         }
3064
3065         return 0;
3066 }
3067
3068 static ssize_t rk_fb_vsync_show(struct device *dev,
3069                                 struct device_attribute *attr, char *buf)
3070 {
3071         struct fb_info *fbi = dev_get_drvdata(dev);
3072         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3073         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3074         return scnprintf(buf, PAGE_SIZE, "%llu\n",
3075                          ktime_to_ns(dev_drv->vsync_info.timestamp));
3076 }
3077
3078 static DEVICE_ATTR(vsync, S_IRUGO, rk_fb_vsync_show, NULL);
3079
3080 /*
3081  * this two function is for other module that in the kernel which
3082  * need show image directly through fb
3083  * fb_id:we have 4 fb here,default we use fb0 for ui display
3084  */
3085 struct fb_info *rk_get_fb(int fb_id)
3086 {
3087         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3088         struct fb_info *fb = inf->fb[fb_id];
3089         return fb;
3090 }
3091 EXPORT_SYMBOL(rk_get_fb);
3092
3093 void rk_direct_fb_show(struct fb_info *fbi)
3094 {
3095         rk_fb_set_par(fbi);
3096         rk_fb_pan_display(&fbi->var, fbi);
3097 }
3098 EXPORT_SYMBOL(rk_direct_fb_show);
3099
3100 int rk_fb_dpi_open(bool open)
3101 {
3102         struct rk_lcdc_driver *dev_drv = NULL;
3103         dev_drv = rk_get_prmry_lcdc_drv();
3104
3105         if (dev_drv->ops->dpi_open)
3106                 dev_drv->ops->dpi_open(dev_drv, open);
3107         return 0;
3108 }
3109
3110 int rk_fb_dpi_win_sel(int win_id)
3111 {
3112         struct rk_lcdc_driver *dev_drv = NULL;
3113         dev_drv = rk_get_prmry_lcdc_drv();
3114
3115         if (dev_drv->ops->dpi_win_sel)
3116                 dev_drv->ops->dpi_win_sel(dev_drv, win_id);
3117         return 0;
3118 }
3119
3120 int rk_fb_dpi_status(void)
3121 {
3122         int ret = 0;
3123         struct rk_lcdc_driver *dev_drv = NULL;
3124
3125         dev_drv = rk_get_prmry_lcdc_drv();
3126         if (dev_drv->ops->dpi_status)
3127                 ret = dev_drv->ops->dpi_status(dev_drv);
3128
3129         return ret;
3130 }
3131
3132 /*
3133  * function: this function will be called by display device, enable/disable lcdc
3134  * @screen: screen timing to be set to lcdc
3135  * @enable: 0 disable lcdc; 1 enable change lcdc timing; 2 just enable dclk
3136  * @lcdc_id: the lcdc id the display device attached ,0 or 1
3137  */
3138 int rk_fb_switch_screen(struct rk_screen *screen, int enable, int lcdc_id)
3139 {
3140         struct rk_fb *rk_fb =  platform_get_drvdata(fb_pdev);
3141         struct fb_info *info = NULL;
3142         struct rk_fb_par *fb_par = NULL;
3143         struct rk_lcdc_driver *dev_drv = NULL;
3144         char name[6] = {0};
3145         int i, win_id, load_screen = 0;
3146
3147         if (unlikely(!rk_fb) || unlikely(!screen))
3148                 return -ENODEV;
3149
3150         hdmi_switch_complete = 0;
3151         /* get lcdc driver */
3152         sprintf(name, "lcdc%d", lcdc_id);
3153         if (rk_fb->disp_mode != DUAL)
3154                 dev_drv = rk_fb->lcdc_dev_drv[0];
3155         else
3156                 dev_drv = rk_get_lcdc_drv(name);
3157
3158         if (dev_drv == NULL) {
3159                 printk(KERN_ERR "%s driver not found!", name);
3160                 return -ENODEV;
3161         }
3162         if (screen->type == SCREEN_HDMI)
3163                 printk("hdmi %s lcdc%d\n", enable ? "connect to" : "remove from",
3164                         dev_drv->id);
3165         else if (screen->type == SCREEN_TVOUT ||
3166                      screen->type == SCREEN_TVOUT_TEST )
3167                 printk("cvbs %s lcdc%d\n", enable ? "connect to" : "remove from",
3168                         dev_drv->id);
3169         if (enable == 2 /*&& dev_drv->enable*/)
3170                 return 0;
3171
3172         if ((rk_fb->disp_mode == ONE_DUAL) ||
3173             (rk_fb->disp_mode == NO_DUAL)) {
3174                 if ((dev_drv->ops->backlight_close) &&
3175                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX))
3176                         dev_drv->ops->backlight_close(dev_drv, 1);
3177                 if (dev_drv->ops->dsp_black)
3178                         dev_drv->ops->dsp_black(dev_drv, 1);
3179                 if ((dev_drv->ops->set_screen_scaler) &&
3180                     (rk_fb->disp_mode == ONE_DUAL))
3181                         dev_drv->ops->set_screen_scaler(dev_drv,
3182                                                         dev_drv->screen0, 0);
3183         }
3184         if (dev_drv->uboot_logo && (screen->type != dev_drv->cur_screen->type))
3185                dev_drv->uboot_logo = 0;
3186         if (!enable) {
3187                 /* if screen type is different, we do not disable lcdc. */
3188                 if (dev_drv->cur_screen->type != screen->type)
3189                         return 0;
3190
3191                 /* if used one lcdc to dual disp, no need to close win */
3192                 if ((rk_fb->disp_mode == ONE_DUAL) ||
3193                     ((rk_fb->disp_mode == NO_DUAL) &&
3194                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX))) {
3195                         dev_drv->cur_screen = dev_drv->screen0;
3196                         dev_drv->ops->load_screen(dev_drv, 1);
3197
3198                         /* force modify dsp size */
3199                         info = rk_fb->fb[dev_drv->fb_index_base];
3200                         info->var.grayscale &= 0xff;
3201                         info->var.grayscale |=
3202                                 (dev_drv->cur_screen->mode.xres << 8) +
3203                                 (dev_drv->cur_screen->mode.yres << 20);
3204                         mutex_lock(&dev_drv->win_config);
3205                         info->fbops->fb_set_par(info);
3206                         info->fbops->fb_pan_display(&info->var, info);
3207                         mutex_unlock(&dev_drv->win_config);
3208
3209                         if (dev_drv->ops->dsp_black)
3210                                 dev_drv->ops->dsp_black(dev_drv, 0);
3211                         if ((dev_drv->ops->backlight_close) &&
3212                             (rk_fb->disp_policy != DISPLAY_POLICY_BOX))
3213                                 dev_drv->ops->backlight_close(dev_drv, 0);
3214                 } else if (rk_fb->num_lcdc > 1) {
3215                         /* If there is more than one lcdc device, we disable
3216                            the layer which attached to this device */
3217                         dev_drv->suspend_flag = 1;
3218                         flush_kthread_worker(&dev_drv->update_regs_worker);
3219                         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3220                                 if (dev_drv->win[i] && dev_drv->win[i]->state)
3221                                         dev_drv->ops->open(dev_drv, i, 0);
3222                         }
3223                 }
3224
3225                 hdmi_switch_complete = 0;
3226                 return 0;
3227         } else {
3228                 if (dev_drv->screen1)
3229                         dev_drv->cur_screen = dev_drv->screen1;
3230
3231                 memcpy(dev_drv->cur_screen, screen, sizeof(struct rk_screen));
3232                 dev_drv->cur_screen->xsize = dev_drv->cur_screen->mode.xres;
3233                 dev_drv->cur_screen->ysize = dev_drv->cur_screen->mode.yres;
3234                 dev_drv->cur_screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3235                 dev_drv->cur_screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3236         }
3237         if ((!dev_drv->uboot_logo) ||
3238             (rk_fb->disp_policy != DISPLAY_POLICY_BOX)) {
3239                 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3240                         info = rk_fb->fb[dev_drv->fb_index_base + i];
3241                         fb_par = (struct rk_fb_par *)info->par;
3242                         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3243                         if (dev_drv->win[win_id]) {
3244                                 if (fb_par->state) {
3245                                         if (!dev_drv->win[win_id]->state) {
3246                                                 dev_drv->ops->open(dev_drv, win_id, 1);
3247                                                 dev_drv->suspend_flag = 0;
3248                                         }
3249                                         if (!load_screen) {
3250                                                 dev_drv->ops->load_screen(dev_drv, 1);
3251                                                 load_screen = 1;
3252                                         }
3253                                         info->var.activate |= FB_ACTIVATE_FORCE;
3254                                         if (rk_fb->disp_mode == ONE_DUAL) {
3255                                                 info->var.grayscale &= 0xff;
3256                                                 info->var.grayscale |=
3257                                                         (dev_drv->cur_screen->xsize << 8) +
3258                                                         (dev_drv->cur_screen->ysize << 20);
3259                                         }
3260
3261                                         mutex_lock(&dev_drv->win_config);
3262                                         info->fbops->fb_set_par(info);
3263                                         info->fbops->fb_pan_display(&info->var, info);
3264                                         mutex_unlock(&dev_drv->win_config);
3265                                 }
3266                         }
3267                 }
3268         }else {
3269                 dev_drv->uboot_logo = 0;
3270         }
3271         hdmi_switch_complete = 1;
3272         if ((rk_fb->disp_mode == ONE_DUAL) || (rk_fb->disp_mode == NO_DUAL)) {
3273                 if ((dev_drv->ops->set_screen_scaler) &&
3274                     (rk_fb->disp_mode == ONE_DUAL))
3275                         dev_drv->ops->set_screen_scaler(dev_drv, dev_drv->screen0, 1);
3276                 if (dev_drv->ops->dsp_black)
3277                         dev_drv->ops->dsp_black(dev_drv, 0);
3278                 if ((dev_drv->ops->backlight_close) &&
3279                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
3280                     (rk_fb->disp_mode == ONE_DUAL))
3281                         dev_drv->ops->backlight_close(dev_drv, 0);
3282         }
3283         return 0;
3284 }
3285
3286 /*
3287  * function:this function current only called by hdmi for
3288  *      scale the display
3289  * scale_x: scale rate of x resolution
3290  * scale_y: scale rate of y resolution
3291  * lcdc_id: the lcdc id the hdmi attached ,0 or 1
3292  */
3293 int rk_fb_disp_scale(u8 scale_x, u8 scale_y, u8 lcdc_id)
3294 {
3295         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3296         struct fb_info *info = NULL;
3297         struct fb_info *pmy_info = NULL;
3298         struct fb_var_screeninfo *var = NULL;
3299         struct rk_lcdc_driver *dev_drv = NULL;
3300         u16 screen_x, screen_y;
3301         u16 xpos, ypos;
3302         char name[6];
3303         struct rk_screen primary_screen;
3304         rk_fb_get_prmry_screen(&primary_screen);
3305         if (primary_screen.type == SCREEN_HDMI) {
3306                 return 0;
3307         }
3308
3309         sprintf(name, "lcdc%d", lcdc_id);
3310
3311         if (inf->disp_mode == DUAL) {
3312                 dev_drv = rk_get_lcdc_drv(name);
3313                 if (dev_drv == NULL) {
3314                         printk(KERN_ERR "%s driver not found!", name);
3315                         return -ENODEV;
3316                 }
3317         } else {
3318                 dev_drv = inf->lcdc_dev_drv[0];
3319         }
3320
3321         if (inf->num_lcdc == 1) {
3322                 info = inf->fb[0];
3323         } else if (inf->num_lcdc == 2) {
3324                 info = inf->fb[dev_drv->lcdc_win_num];
3325                 pmy_info = inf->fb[0];
3326         }
3327
3328         var = &info->var;
3329         screen_x = dev_drv->cur_screen->mode.xres;
3330         screen_y = dev_drv->cur_screen->mode.yres;
3331
3332         if (inf->disp_mode != DUAL && dev_drv->screen1) {
3333                 dev_drv->cur_screen->xpos =
3334                     (screen_x - screen_x * scale_x / 100) >> 1;
3335                 dev_drv->cur_screen->ypos =
3336                     (screen_y - screen_y * scale_y / 100) >> 1;
3337                 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3338                 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3339         } else {
3340                 xpos = (screen_x - screen_x * scale_x / 100) >> 1;
3341                 ypos = (screen_y - screen_y * scale_y / 100) >> 1;
3342                 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3343                 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3344                 if (inf->disp_mode == ONE_DUAL) {
3345                         var->nonstd &= 0xff;
3346                         var->nonstd |= (xpos << 8) + (ypos << 20);
3347                         var->grayscale &= 0xff;
3348                         var->grayscale |=
3349                                 (dev_drv->cur_screen->xsize << 8) +
3350                                 (dev_drv->cur_screen->ysize << 20);
3351                 }
3352         }
3353
3354         mutex_lock(&dev_drv->win_config);
3355         info->fbops->fb_set_par(info);
3356         dev_drv->ops->cfg_done(dev_drv);
3357         mutex_unlock(&dev_drv->win_config);
3358
3359         return 0;
3360 }
3361
3362 #if defined(CONFIG_ION_ROCKCHIP)
3363 static int rk_fb_alloc_buffer_by_ion(struct fb_info *fbi,
3364                                      struct rk_lcdc_win *win,
3365                                      unsigned long fb_mem_size)
3366 {
3367         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3368         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3369         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3370         struct ion_handle *handle;
3371         ion_phys_addr_t phy_addr;
3372         size_t len;
3373         int ret = 0;
3374
3375         if (dev_drv->iommu_enabled)
3376                 handle = ion_alloc(rk_fb->ion_client, (size_t) fb_mem_size, 0,
3377                                    ION_HEAP(ION_VMALLOC_HEAP_ID), 0);
3378         else
3379                 handle = ion_alloc(rk_fb->ion_client, (size_t) fb_mem_size, 0,
3380                                    ION_HEAP(ION_CMA_HEAP_ID), 0);
3381         if (IS_ERR(handle)) {
3382                 dev_err(fbi->device, "failed to ion_alloc:%ld\n",
3383                         PTR_ERR(handle));
3384                 return -ENOMEM;
3385         }
3386
3387         fb_par->ion_hdl = handle;
3388         win->area[0].dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3389         if (IS_ERR_OR_NULL(win->area[0].dma_buf)) {
3390                 printk("ion_share_dma_buf() failed\n");
3391                 goto err_share_dma_buf;
3392         }
3393         win->area[0].ion_hdl = handle;
3394         if (dev_drv->prop == PRMRY)
3395                 fbi->screen_base = ion_map_kernel(rk_fb->ion_client, handle);
3396 #ifdef CONFIG_ROCKCHIP_IOMMU
3397         if (dev_drv->iommu_enabled && dev_drv->mmu_dev)
3398                 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, handle,
3399                                         (unsigned long *)&phy_addr,
3400                                         (unsigned long *)&len);
3401         else
3402                 ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3403 #else
3404         ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3405 #endif
3406         if (ret < 0) {
3407                 dev_err(fbi->dev, "ion map to get phy addr failed\n");
3408                 goto err_share_dma_buf;
3409         }
3410         fbi->fix.smem_start = phy_addr;
3411         fbi->fix.smem_len = len;
3412         printk(KERN_INFO "alloc_buffer:ion_phy_addr=0x%lx\n", phy_addr);
3413         return 0;
3414
3415 err_share_dma_buf:
3416         ion_free(rk_fb->ion_client, handle);
3417         return -ENOMEM;
3418 }
3419 #endif
3420
3421 static int rk_fb_alloc_buffer(struct fb_info *fbi)
3422 {
3423         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3424         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3425         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3426         struct rk_lcdc_win *win = NULL;
3427         int win_id;
3428         int ret = 0;
3429         unsigned long fb_mem_size;
3430 #if !defined(CONFIG_ION_ROCKCHIP)
3431         dma_addr_t fb_mem_phys;
3432         void *fb_mem_virt;
3433 #endif
3434
3435         win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
3436         if (win_id < 0)
3437                 return -ENODEV;
3438         else
3439                 win = dev_drv->win[win_id];
3440
3441         if (!strcmp(fbi->fix.id, "fb0")) {
3442                 fb_mem_size = get_fb_size();
3443 #if defined(CONFIG_ION_ROCKCHIP)
3444                 if (rk_fb_alloc_buffer_by_ion(fbi, win, fb_mem_size) < 0)
3445                         return -ENOMEM;
3446 #else
3447                 fb_mem_virt = dma_alloc_writecombine(fbi->dev, fb_mem_size,
3448                                                      &fb_mem_phys, GFP_KERNEL);
3449                 if (!fb_mem_virt) {
3450                         pr_err("%s: Failed to allocate framebuffer\n",
3451                                __func__);
3452                         return -ENOMEM;
3453                 }
3454                 fbi->fix.smem_len = fb_mem_size;
3455                 fbi->fix.smem_start = fb_mem_phys;
3456                 fbi->screen_base = fb_mem_virt;
3457 #endif
3458                 memset(fbi->screen_base, 0, fbi->fix.smem_len);
3459         } else {
3460                 fbi->fix.smem_start = rk_fb->fb[0]->fix.smem_start;
3461                 fbi->fix.smem_len = rk_fb->fb[0]->fix.smem_len;
3462                 fbi->screen_base = rk_fb->fb[0]->screen_base;
3463         }
3464
3465         fbi->screen_size = fbi->fix.smem_len;
3466         fb_par->fb_phy_base = fbi->fix.smem_start;
3467         fb_par->fb_virt_base = fbi->screen_base;
3468         fb_par->fb_size = fbi->fix.smem_len;
3469
3470         pr_info("%s:phy:%lx>>vir:%p>>len:0x%x\n", fbi->fix.id,
3471                        fbi->fix.smem_start, fbi->screen_base,
3472                        fbi->fix.smem_len);
3473         return ret;
3474 }
3475
3476 #if 0
3477 static int rk_release_fb_buffer(struct fb_info *fbi)
3478 {
3479         /* buffer for fb1 and fb3 are alloc by android */
3480         if (!strcmp(fbi->fix.id, "fb1") || !strcmp(fbi->fix.id, "fb3"))
3481                 return 0;
3482         iounmap(fbi->screen_base);
3483         release_mem_region(fbi->fix.smem_start, fbi->fix.smem_len);
3484         return 0;
3485 }
3486 #endif
3487
3488 static int init_lcdc_win(struct rk_lcdc_driver *dev_drv,
3489                          struct rk_lcdc_win *def_win)
3490 {
3491         int i;
3492         int lcdc_win_num = dev_drv->lcdc_win_num;
3493
3494         for (i = 0; i < lcdc_win_num; i++) {
3495                 struct rk_lcdc_win *win = NULL;
3496                 win = kzalloc(sizeof(struct rk_lcdc_win), GFP_KERNEL);
3497                 if (!win) {
3498                         dev_err(dev_drv->dev, "kzmalloc for win fail!");
3499                         return -ENOMEM;
3500                 }
3501
3502                 strcpy(win->name, def_win[i].name);
3503                 win->id = def_win[i].id;
3504                 win->support_3d = def_win[i].support_3d;
3505                 dev_drv->win[i] = win;
3506         }
3507
3508         return 0;
3509 }
3510
3511 static int init_lcdc_device_driver(struct rk_fb *rk_fb,
3512                                    struct rk_lcdc_win *def_win, int index)
3513 {
3514         struct rk_lcdc_driver *dev_drv = rk_fb->lcdc_dev_drv[index];
3515         struct rk_screen *screen = devm_kzalloc(dev_drv->dev,
3516                                                 sizeof(struct rk_screen),
3517                                                 GFP_KERNEL);
3518
3519         if (!screen) {
3520                 dev_err(dev_drv->dev, "malloc screen for lcdc%d fail!",
3521                         dev_drv->id);
3522                 return -ENOMEM;
3523         }
3524
3525         screen->screen_id = 0;
3526         screen->lcdc_id = dev_drv->id;
3527         screen->overscan.left = 100;
3528         screen->overscan.top = 100;
3529         screen->overscan.right = 100;
3530         screen->overscan.bottom = 100;
3531
3532         screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3533         screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3534
3535         dev_drv->screen0 = screen;
3536         dev_drv->cur_screen = screen;
3537         /* devie use one lcdc + rk61x scaler for dual display */
3538         if ((rk_fb->disp_mode == ONE_DUAL) || (rk_fb->disp_mode == NO_DUAL)) {
3539                 struct rk_screen *screen1 =
3540                                 devm_kzalloc(dev_drv->dev,
3541                                              sizeof(struct rk_screen),
3542                                              GFP_KERNEL);
3543                 if (!screen1) {
3544                         dev_err(dev_drv->dev, "malloc screen1 for lcdc%d fail!",
3545                                 dev_drv->id);
3546                         return -ENOMEM;
3547                 }
3548                 screen1->screen_id = 1;
3549                 screen1->lcdc_id = 1;
3550                 dev_drv->screen1 = screen1;
3551         }
3552         sprintf(dev_drv->name, "lcdc%d", dev_drv->id);
3553         init_lcdc_win(dev_drv, def_win);
3554         init_completion(&dev_drv->frame_done);
3555         spin_lock_init(&dev_drv->cpl_lock);
3556         mutex_init(&dev_drv->fb_win_id_mutex);
3557         mutex_init(&dev_drv->win_config);
3558         mutex_init(&dev_drv->front_lock);
3559         dev_drv->ops->fb_win_remap(dev_drv, dev_drv->fb_win_map);
3560         dev_drv->first_frame = 1;
3561         dev_drv->overscan.left = 100;
3562         dev_drv->overscan.top = 100;
3563         dev_drv->overscan.right = 100;
3564         dev_drv->overscan.bottom = 100;
3565         rk_disp_pwr_ctr_parse_dt(dev_drv);
3566         if (dev_drv->prop == PRMRY) {
3567                 rk_fb_set_prmry_screen(screen);
3568                 rk_fb_get_prmry_screen(screen);
3569         }
3570         dev_drv->trsm_ops = rk_fb_trsm_ops_get(screen->type);
3571         if (dev_drv->prop != PRMRY)
3572                 rk_fb_get_prmry_screen(screen);
3573         dev_drv->output_color = screen->color_mode;
3574
3575         return 0;
3576 }
3577
3578 #ifdef CONFIG_LOGO_LINUX_BMP
3579 static struct linux_logo *bmp_logo;
3580 static int fb_prewine_bmp_logo(struct fb_info *info, int rotate)
3581 {
3582         bmp_logo = fb_find_logo(24);
3583         if (bmp_logo == NULL) {
3584                 printk(KERN_INFO "%s error\n", __func__);
3585                 return 0;
3586         }
3587         return 1;
3588 }
3589
3590 static void fb_show_bmp_logo(struct fb_info *info, int rotate)
3591 {
3592         unsigned char *src = bmp_logo->data;
3593         unsigned char *dst = info->screen_base;
3594         int i;
3595         unsigned int Needwidth = (*(src - 24) << 8) | (*(src - 23));
3596         unsigned int Needheight = (*(src - 22) << 8) | (*(src - 21));
3597
3598         for (i = 0; i < Needheight; i++)
3599                 memcpy(dst + info->var.xres * i * 4,
3600                        src + bmp_logo->width * i * 4, Needwidth * 4);
3601 }
3602 #endif
3603
3604 /*
3605  * check if the primary lcdc has registerd,
3606  * the primary lcdc mas register first
3607  */
3608 bool is_prmry_rk_lcdc_registered(void)
3609 {
3610         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3611
3612         if (rk_fb->lcdc_dev_drv[0])
3613                 return true;
3614         else
3615                 return false;
3616 }
3617
3618 int rk_fb_register(struct rk_lcdc_driver *dev_drv,
3619                    struct rk_lcdc_win *win, int id)
3620 {
3621         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3622         struct fb_info *fbi;
3623         struct rk_fb_par *fb_par = NULL;
3624         int i = 0, ret = 0, index = 0;
3625
3626         if (rk_fb->num_lcdc == RK30_MAX_LCDC_SUPPORT)
3627                 return -ENXIO;
3628
3629         for (i = 0; i < RK30_MAX_LCDC_SUPPORT; i++) {
3630                 if (!rk_fb->lcdc_dev_drv[i]) {
3631                         rk_fb->lcdc_dev_drv[i] = dev_drv;
3632                         rk_fb->lcdc_dev_drv[i]->id = id;
3633                         rk_fb->num_lcdc++;
3634                         break;
3635                 }
3636         }
3637
3638         index = i;
3639         init_lcdc_device_driver(rk_fb, win, index);
3640         dev_drv->fb_index_base = rk_fb->num_fb;
3641         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3642                 fbi = framebuffer_alloc(0, &fb_pdev->dev);
3643                 if (!fbi) {
3644                         dev_err(&fb_pdev->dev, "fb framebuffer_alloc fail!");
3645                         ret = -ENOMEM;
3646                 }
3647                 fb_par = devm_kzalloc(&fb_pdev->dev, sizeof(struct rk_fb_par),
3648                                       GFP_KERNEL);
3649                 if (!fb_par) {
3650                         dev_err(&fb_pdev->dev, "malloc fb_par for fb%d fail!",
3651                                 rk_fb->num_fb);
3652                         return -ENOMEM;
3653                 }
3654                 fb_par->id = rk_fb->num_fb;
3655                 fb_par->lcdc_drv = dev_drv;
3656                 fbi->par = (void *)fb_par;
3657                 fbi->var = def_var;
3658                 fbi->fix = def_fix;
3659                 sprintf(fbi->fix.id, "fb%d", rk_fb->num_fb);
3660                 fb_videomode_to_var(&fbi->var, &dev_drv->cur_screen->mode);
3661                 fbi->var.grayscale |=
3662                     (fbi->var.xres << 8) + (fbi->var.yres << 20);
3663 #if defined(CONFIG_LOGO_LINUX_BMP)
3664                 fbi->var.bits_per_pixel = 32;
3665 #else
3666                 fbi->var.bits_per_pixel = 16;
3667 #endif
3668                 fbi->fix.line_length =
3669                     (fbi->var.xres_virtual) * (fbi->var.bits_per_pixel >> 3);
3670                 fbi->var.width = dev_drv->cur_screen->width;
3671                 fbi->var.height = dev_drv->cur_screen->height;
3672                 if (dev_drv->iommu_enabled)
3673                         fb_ops.fb_mmap = rk_fb_mmap;
3674                 fbi->fbops = &fb_ops;
3675                 fbi->flags = FBINFO_FLAG_DEFAULT;
3676                 fbi->pseudo_palette = dev_drv->win[i]->pseudo_pal;
3677                 ret = register_framebuffer(fbi);
3678                 if (ret < 0) {
3679                         dev_err(&fb_pdev->dev,
3680                                 "%s fb%d register_framebuffer fail!\n",
3681                                 __func__, rk_fb->num_fb);
3682                         return ret;
3683                 }
3684                 rkfb_create_sysfs(fbi);
3685                 rk_fb->fb[rk_fb->num_fb] = fbi;
3686                 dev_info(fbi->dev, "rockchip framebuffer registerd:%s\n",
3687                          fbi->fix.id);
3688                 rk_fb->num_fb++;
3689
3690                 if (i == 0) {
3691                         init_waitqueue_head(&dev_drv->vsync_info.wait);
3692                         init_waitqueue_head(&dev_drv->update_regs_wait);
3693                         ret = device_create_file(fbi->dev, &dev_attr_vsync);
3694                         if (ret)
3695                                 dev_err(fbi->dev,
3696                                         "failed to create vsync file\n");
3697                         dev_drv->vsync_info.thread =
3698                             kthread_run(rk_fb_wait_for_vsync_thread, dev_drv,
3699                                         "fb-vsync");
3700                         if (dev_drv->vsync_info.thread == ERR_PTR(-ENOMEM)) {
3701                                 dev_err(fbi->dev,
3702                                         "failed to run vsync thread\n");
3703                                 dev_drv->vsync_info.thread = NULL;
3704                         }
3705                         dev_drv->vsync_info.active = 1;
3706
3707                         mutex_init(&dev_drv->output_lock);
3708
3709                         INIT_LIST_HEAD(&dev_drv->update_regs_list);
3710                         mutex_init(&dev_drv->update_regs_list_lock);
3711                         init_kthread_worker(&dev_drv->update_regs_worker);
3712
3713                         dev_drv->update_regs_thread =
3714                             kthread_run(kthread_worker_fn,
3715                                         &dev_drv->update_regs_worker, "rk-fb");
3716                         if (IS_ERR(dev_drv->update_regs_thread)) {
3717                                 int err = PTR_ERR(dev_drv->update_regs_thread);
3718                                 dev_drv->update_regs_thread = NULL;
3719
3720                                 printk("failed to run update_regs thread\n");
3721                                 return err;
3722                         }
3723                         init_kthread_work(&dev_drv->update_regs_work,
3724                                           rk_fb_update_regs_handler);
3725
3726                         dev_drv->timeline =
3727                             sw_sync_timeline_create("fb-timeline");
3728                         dev_drv->timeline_max = 1;
3729                 }
3730         }
3731
3732         /* show logo for primary display device */
3733 #if !defined(CONFIG_FRAMEBUFFER_CONSOLE)
3734         if (dev_drv->prop == PRMRY) {
3735                 u16 xact, yact;
3736                 int format;
3737                 u32 dsp_addr;
3738                 struct fb_info *main_fbi = rk_fb->fb[0];
3739                 main_fbi->fbops->fb_open(main_fbi, 1);
3740                 main_fbi->var.pixclock = dev_drv->pixclock;
3741 #if defined(CONFIG_ROCKCHIP_IOMMU)
3742                 if (dev_drv->iommu_enabled) {
3743                         if (dev_drv->mmu_dev)
3744                                 rockchip_iovmm_set_fault_handler(dev_drv->dev,
3745                                                 rk_fb_sysmmu_fault_handler);
3746                 }
3747 #endif
3748
3749                 rk_fb_alloc_buffer(main_fbi);   /* only alloc memory for main fb */
3750                 dev_drv->uboot_logo = support_uboot_display();
3751
3752                 if (dev_drv->uboot_logo &&
3753                     uboot_logo_offset && uboot_logo_base) {
3754                         int width, height, bits;
3755                         phys_addr_t start = uboot_logo_base + uboot_logo_offset;
3756                         unsigned int size = uboot_logo_size - uboot_logo_offset;
3757                         unsigned int nr_pages;
3758                         struct page **pages;
3759                         char *vaddr;
3760                         int i = 0;
3761
3762                         if (dev_drv->ops->get_dspbuf_info)
3763                                 dev_drv->ops->get_dspbuf_info(dev_drv, &xact,
3764                                         &yact, &format, &dsp_addr);
3765                         nr_pages = size >> PAGE_SHIFT;
3766                         pages = kzalloc(sizeof(struct page) * nr_pages,
3767                                         GFP_KERNEL);
3768                         while (i < nr_pages) {
3769                                 pages[i] = phys_to_page(start);
3770                                 start += PAGE_SIZE;
3771                                 i++;
3772                         }
3773                         vaddr = vmap(pages, nr_pages, VM_MAP,
3774                                         pgprot_writecombine(PAGE_KERNEL));
3775                         if (!vaddr) {
3776                                 pr_err("failed to vmap phy addr 0x%lx\n",
3777                                        (long)(uboot_logo_base +
3778                                        uboot_logo_offset));
3779                                 return -1;
3780                         }
3781
3782                         if(bmpdecoder(vaddr, main_fbi->screen_base, &width,
3783                                       &height, &bits)) {
3784                                 kfree(pages);
3785                                 vunmap(vaddr);
3786                                 return 0;
3787                         }
3788                         kfree(pages);
3789                         vunmap(vaddr);
3790                         if (dev_drv->uboot_logo &&
3791                             (width != xact || height != yact)) {
3792                                 pr_err("can't support uboot kernel logo use different size [%dx%d] != [%dx%d]\n",
3793                                         xact, yact, width, height);
3794                                 return 0;
3795                         }
3796
3797                         if (dev_drv->ops->post_dspbuf) {
3798                                 dev_drv->ops->post_dspbuf(dev_drv,
3799                                         main_fbi->fix.smem_start,
3800                                         rk_fb_data_fmt(0, bits),
3801                                         width, height, width * bits >> 5);
3802                         }
3803                         if (dev_drv->iommu_enabled) {
3804                                 rk_fb_poll_wait_frame_complete();
3805                                 if (dev_drv->ops->mmu_en)
3806                                         dev_drv->ops->mmu_en(dev_drv);
3807                                 freed_index = 0;
3808                         }
3809
3810                         return 0;
3811                 } else if (dev_drv->uboot_logo && uboot_logo_base) {
3812                         u32 start = uboot_logo_base;
3813                         u32 start_base = start;
3814                         int logo_len, i=0;
3815                         unsigned int nr_pages;
3816                         struct page **pages;
3817                         char *vaddr;
3818
3819                         dev_drv->ops->get_dspbuf_info(dev_drv, &xact,
3820                                                       &yact, &format,
3821                                                       &start);
3822                         logo_len = rk_fb_pixel_width(format) * xact * yact >> 3;
3823                         if (logo_len > uboot_logo_size ||
3824                             logo_len > main_fbi->fix.smem_len) {
3825                                 pr_err("logo size > uboot reserve buffer size\n");
3826                                 return -1;
3827                         }
3828
3829                         nr_pages = uboot_logo_size >> PAGE_SHIFT;
3830                         pages = kzalloc(sizeof(struct page) * nr_pages,
3831                                         GFP_KERNEL);
3832                         while (i < nr_pages) {
3833                                 pages[i] = phys_to_page(start);
3834                                 start += PAGE_SIZE;
3835                                 i++;
3836                         }
3837                         vaddr = vmap(pages, nr_pages, VM_MAP,
3838                                         pgprot_writecombine(PAGE_KERNEL));
3839                         if (!vaddr) {
3840                                 pr_err("failed to vmap phy addr 0x%x\n",
3841                                        start_base);
3842                                 return -1;
3843                         }
3844
3845                         memcpy(main_fbi->screen_base, vaddr, logo_len);
3846
3847                         kfree(pages);
3848                         vunmap(vaddr);
3849
3850                         dev_drv->ops->post_dspbuf(dev_drv,
3851                                         main_fbi->fix.smem_start,
3852                                         format, xact, yact,
3853                                         xact * rk_fb_pixel_width(format) >> 5);
3854                         if (dev_drv->iommu_enabled) {
3855                                 rk_fb_poll_wait_frame_complete();
3856                                 if (dev_drv->ops->mmu_en)
3857                                         dev_drv->ops->mmu_en(dev_drv);
3858                                 freed_index = 0;
3859                         }
3860                         return 0;
3861                 } else {
3862                         if (dev_drv->iommu_enabled) {
3863                                 if (dev_drv->ops->mmu_en)
3864                                         dev_drv->ops->mmu_en(dev_drv);
3865                                 freed_index = 0;
3866                         }
3867                 }
3868 #if defined(CONFIG_LOGO)
3869                 main_fbi->fbops->fb_set_par(main_fbi);
3870 #if  defined(CONFIG_LOGO_LINUX_BMP)
3871                 if (fb_prewine_bmp_logo(main_fbi, FB_ROTATE_UR)) {
3872                         fb_set_cmap(&main_fbi->cmap, main_fbi);
3873                         fb_show_bmp_logo(main_fbi, FB_ROTATE_UR);
3874                 }
3875 #else
3876                 if (fb_prepare_logo(main_fbi, FB_ROTATE_UR)) {
3877                         fb_set_cmap(&main_fbi->cmap, main_fbi);
3878                         fb_show_logo(main_fbi, FB_ROTATE_UR);
3879                 }
3880 #endif
3881                 main_fbi->fbops->fb_pan_display(&main_fbi->var, main_fbi);
3882 #endif
3883         } else {
3884                 struct fb_info *extend_fbi = rk_fb->fb[rk_fb->num_fb >> 1];
3885                 extend_fbi->var.pixclock = rk_fb->fb[0]->var.pixclock;
3886                 rk_fb_alloc_buffer(extend_fbi);
3887         }
3888 #endif
3889         return 0;
3890 }
3891
3892 int rk_fb_unregister(struct rk_lcdc_driver *dev_drv)
3893 {
3894         struct rk_fb *fb_inf = platform_get_drvdata(fb_pdev);
3895         struct fb_info *fbi;
3896         int fb_index_base = dev_drv->fb_index_base;
3897         int fb_num = dev_drv->lcdc_win_num;
3898         int i = 0;
3899
3900         if (fb_inf->lcdc_dev_drv[i]->vsync_info.thread) {
3901                 fb_inf->lcdc_dev_drv[i]->vsync_info.irq_stop = 1;
3902                 kthread_stop(fb_inf->lcdc_dev_drv[i]->vsync_info.thread);
3903         }
3904
3905         for (i = 0; i < fb_num; i++)
3906                 kfree(dev_drv->win[i]);
3907
3908         for (i = fb_index_base; i < (fb_index_base + fb_num); i++) {
3909                 fbi = fb_inf->fb[i];
3910                 unregister_framebuffer(fbi);
3911                 /* rk_release_fb_buffer(fbi); */
3912                 framebuffer_release(fbi);
3913         }
3914         fb_inf->lcdc_dev_drv[dev_drv->id] = NULL;
3915         fb_inf->num_lcdc--;
3916
3917         return 0;
3918 }
3919
3920 static int rk_fb_probe(struct platform_device *pdev)
3921 {
3922         struct rk_fb *rk_fb = NULL;
3923         struct device_node *np = pdev->dev.of_node;
3924         u32 mode;
3925
3926         if (!np) {
3927                 dev_err(&pdev->dev, "Missing device tree node.\n");
3928                 return -EINVAL;
3929         }
3930
3931         rk_fb = devm_kzalloc(&pdev->dev, sizeof(struct rk_fb), GFP_KERNEL);
3932         if (!rk_fb) {
3933                 dev_err(&pdev->dev, "kmalloc for rk fb fail!");
3934                 return -ENOMEM;
3935         }
3936         platform_set_drvdata(pdev, rk_fb);
3937
3938         if (!of_property_read_u32(np, "rockchip,disp-mode", &mode)) {
3939                 rk_fb->disp_mode = mode;
3940
3941         } else {
3942                 dev_err(&pdev->dev, "no disp-mode node found!");
3943                 return -ENODEV;
3944         }
3945
3946         if (!of_property_read_u32(np, "rockchip,disp-policy", &mode)) {
3947                 rk_fb->disp_policy = mode;
3948                 pr_info("fb disp policy is %s\n", rk_fb->disp_policy ? "box":"sdk");
3949         }
3950
3951         if (!of_property_read_u32(np, "rockchip,uboot-logo-on", &uboot_logo_on))
3952                 printk(KERN_DEBUG "uboot-logo-on:%d\n", uboot_logo_on);
3953
3954         dev_set_name(&pdev->dev, "rockchip-fb");
3955 #if defined(CONFIG_ION_ROCKCHIP)
3956         rk_fb->ion_client = rockchip_ion_client_create("rk_fb");
3957         if (IS_ERR(rk_fb->ion_client)) {
3958                 dev_err(&pdev->dev, "failed to create ion client for rk fb");
3959                 return PTR_ERR(rk_fb->ion_client);
3960         } else {
3961                 dev_info(&pdev->dev, "rk fb ion client create success!\n");
3962         }
3963 #endif
3964
3965         fb_pdev = pdev;
3966         dev_info(&pdev->dev, "rockchip framebuffer driver probe\n");
3967         return 0;
3968 }
3969
3970 static int rk_fb_remove(struct platform_device *pdev)
3971 {
3972         struct rk_fb *rk_fb = platform_get_drvdata(pdev);
3973
3974         kfree(rk_fb);
3975         platform_set_drvdata(pdev, NULL);
3976         return 0;
3977 }
3978
3979 static void rk_fb_shutdown(struct platform_device *pdev)
3980 {
3981         struct rk_fb *rk_fb = platform_get_drvdata(pdev);
3982         int i;
3983
3984         for (i = 0; i < rk_fb->num_lcdc; i++) {
3985                 if (!rk_fb->lcdc_dev_drv[i])
3986                         continue;
3987         }
3988 }
3989
3990 static const struct of_device_id rkfb_dt_ids[] = {
3991         {.compatible = "rockchip,rk-fb",},
3992         {}
3993 };
3994
3995 static struct platform_driver rk_fb_driver = {
3996         .probe = rk_fb_probe,
3997         .remove = rk_fb_remove,
3998         .driver = {
3999                    .name = "rk-fb",
4000                    .owner = THIS_MODULE,
4001                    .of_match_table = of_match_ptr(rkfb_dt_ids),
4002                    },
4003         .shutdown = rk_fb_shutdown,
4004 };
4005
4006 static int __init rk_fb_init(void)
4007 {
4008         return platform_driver_register(&rk_fb_driver);
4009 }
4010
4011 static void __exit rk_fb_exit(void)
4012 {
4013         platform_driver_unregister(&rk_fb_driver);
4014 }
4015
4016 fs_initcall(rk_fb_init);
4017 module_exit(rk_fb_exit);