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                 fb_par->state--;
 875                 if (!fb_par->state) {
 876                         if (fb_par->fb_phy_base > 0)
 877                                 info->fix.smem_start = fb_par->fb_phy_base;
 878                         info->var.xres = dev_drv->screen0->mode.xres;
 879                         info->var.yres = dev_drv->screen0->mode.yres;
 880                         /*
 881                         info->var.grayscale |=
 882                             (info->var.xres << 8) + (info->var.yres << 20);
 883                         */
 884                         info->var.xres_virtual = info->var.xres;
 885                         info->var.yres_virtual = info->var.yres;
 886 #if defined(CONFIG_LOGO_LINUX_BMP)
 887                         info->var.bits_per_pixel = 32;
 888 #else
 889                         info->var.bits_per_pixel = 16;
 890 #endif
 891                         info->fix.line_length =
 892                             (info->var.xres_virtual) * (info->var.bits_per_pixel >> 3);
 893                         info->var.width = dev_drv->screen0->width;
 894                         info->var.height = dev_drv->screen0->height;
 895                         info->var.pixclock = dev_drv->pixclock;
 896                         info->var.left_margin = dev_drv->screen0->mode.left_margin;
 897                         info->var.right_margin = dev_drv->screen0->mode.right_margin;
 898                         info->var.upper_margin = dev_drv->screen0->mode.upper_margin;
 899                         info->var.lower_margin = dev_drv->screen0->mode.lower_margin;
 900                         info->var.vsync_len = dev_drv->screen0->mode.vsync_len;
 901                         info->var.hsync_len = dev_drv->screen0->mode.hsync_len;
 902                 }
 903         }
 904
 905         return 0;
 906 }
 907
 908 #if defined(FB_ROATE_BY_KERNEL)
 909
 910 #if defined(CONFIG_RK29_IPP)
 911 static int get_ipp_format(int fmt)
 912 {
 913         int ipp_fmt = IPP_XRGB_8888;
 914         switch (fmt) {
 915         case HAL_PIXEL_FORMAT_RGBX_8888:
 916         case HAL_PIXEL_FORMAT_RGBA_8888:
 917         case HAL_PIXEL_FORMAT_BGRA_8888:
 918         case HAL_PIXEL_FORMAT_RGB_888:
 919                 ipp_fmt = IPP_XRGB_8888;
 920                 break;
 921         case HAL_PIXEL_FORMAT_RGB_565:
 922                 ipp_fmt = IPP_RGB_565;
 923                 break;
 924         case HAL_PIXEL_FORMAT_YCbCr_422_SP:
 925                 ipp_fmt = IPP_Y_CBCR_H2V1;
 926                 break;
 927         case HAL_PIXEL_FORMAT_YCrCb_NV12:
 928                 ipp_fmt = IPP_Y_CBCR_H2V2;
 929                 break;
 930         case HAL_PIXEL_FORMAT_YCrCb_444:
 931                 ipp_fmt = IPP_Y_CBCR_H1V1;
 932                 break;
 933         default:
 934                 ipp_fmt = IPP_IMGTYPE_LIMIT;
 935                 break;
 936         }
 937
 938         return ipp_fmt;
 939 }
 940
 941 static void ipp_win_check(int *dst_w, int *dst_h, int *dst_vir_w,
 942                           int rotation, int fmt)
 943 {
 944         int align16 = 2;
 945         int align64 = 8;
 946
 947         if (fmt == IPP_XRGB_8888) {
 948                 align16 = 1;
 949                 align64 = 2;
 950         } else if (fmt == IPP_RGB_565) {
 951                 align16 = 1;
 952                 align64 = 4;
 953         } else {
 954                 align16 = 2;
 955                 align64 = 8;
 956         }
 957         align16 -= 1;           /*for YUV, 1 */
 958         align64 -= 1;           /*for YUV, 7 */
 959
 960         if (rotation == IPP_ROT_0) {
 961                 if (fmt > IPP_RGB_565) {
 962                         if ((*dst_w & 1) != 0)
 963                                 *dst_w = *dst_w + 1;
 964                         if ((*dst_h & 1) != 0)
 965                                 *dst_h = *dst_h + 1;
 966                         if (*dst_vir_w < *dst_w)
 967                                 *dst_vir_w = *dst_w;
 968                 }
 969         } else {
 970                 if ((*dst_w & align64) != 0)
 971                         *dst_w = (*dst_w + align64) & (~align64);
 972                 if ((fmt > IPP_RGB_565) && ((*dst_h & 1) == 1))
 973                         *dst_h = *dst_h + 1;
 974                 if (*dst_vir_w < *dst_w)
 975                         *dst_vir_w = *dst_w;
 976         }
 977 }
 978
 979 static void fb_copy_by_ipp(struct fb_info *dst_info,
 980                                 struct fb_info *src_info)
 981 {
 982         struct rk29_ipp_req ipp_req;
 983         uint32_t rotation = 0;
 984         int dst_w, dst_h, dst_vir_w;
 985         int ipp_fmt;
 986         u8 data_format = (dst_info->var.nonstd) & 0xff;
 987         struct rk_fb_par *fb_par = (struct rk_fb_par *)dst_info->par;
 988         struct rk_lcdc_driver *ext_dev_drv = fb_par->lcdc_drv;
 989         u16 orientation = ext_dev_drv->rotate_mode;
 990
 991         memset(&ipp_req, 0, sizeof(struct rk29_ipp_req));
 992
 993         switch (orientation) {
 994         case 0:
 995                 rotation = IPP_ROT_0;
 996                 break;
 997         case ROTATE_90:
 998                 rotation = IPP_ROT_90;
 999                 break;
1000         case ROTATE_180:
1001                 rotation = IPP_ROT_180;
1002                 break;
1003         case ROTATE_270:
1004                 rotation = IPP_ROT_270;
1005                 break;
1006         default:
1007                 rotation = IPP_ROT_270;
1008                 break;
1009         }
1010
1011         dst_w = dst_info->var.xres;
1012         dst_h = dst_info->var.yres;
1013         dst_vir_w = dst_info->var.xres_virtual;
1014         ipp_fmt = get_ipp_format(data_format);
1015         ipp_win_check(&dst_w, &dst_h, &dst_vir_w, rotation, ipp_fmt);
1016         ipp_req.src0.YrgbMst = src_info->fix.smem_start + offset;
1017         ipp_req.src0.w = src_info->var.xres;
1018         ipp_req.src0.h = src_info->var.yres;
1019         ipp_req.src_vir_w = src_info->var.xres_virtual;
1020         ipp_req.src0.fmt = ipp_fmt;
1021
1022         ipp_req.dst0.YrgbMst = dst_info->fix.smem_start + offset;
1023         ipp_req.dst0.w = dst_w;
1024         ipp_req.dst0.h = dst_h;
1025         ipp_req.dst_vir_w = dst_vir_w;
1026         ipp_req.dst0.fmt = ipp_fmt;
1027
1028         ipp_req.timeout = 100;
1029         ipp_req.flag = rotation;
1030         ipp_blit_sync(&ipp_req);
1031 }
1032
1033 #endif
1034
1035 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1036 static int get_rga_format(int fmt)
1037 {
1038         int rga_fmt = 0;
1039
1040         switch (fmt) {
1041         case XBGR888:
1042                 rga_fmt = RK_FORMAT_RGBX_8888;
1043                 break;
1044         case ABGR888:
1045                 rga_fmt = RK_FORMAT_RGBA_8888;
1046                 break;
1047         case ARGB888:
1048                 rga_fmt = RK_FORMAT_BGRA_8888;
1049                 break;
1050         case RGB888:
1051                 rga_fmt = RK_FORMAT_RGB_888;
1052                 break;
1053         case RGB565:
1054                 rga_fmt = RK_FORMAT_RGB_565;
1055                 break;
1056         case YUV422:
1057                 rga_fmt = RK_FORMAT_YCbCr_422_SP;
1058                 break;
1059         case YUV420:
1060                 rga_fmt = RK_FORMAT_YCbCr_420_SP;
1061                 break;
1062         default:
1063                 rga_fmt = RK_FORMAT_RGBA_8888;
1064                 break;
1065         }
1066
1067         return rga_fmt;
1068 }
1069
1070 static void rga_win_check(struct rk_lcdc_win *dst_win,
1071                           struct rk_lcdc_win *src_win)
1072 {
1073         int format = 0;
1074
1075         format = get_rga_format(src_win->area[0].format);
1076         /* width and height must be even number */
1077         if (format >= RK_FORMAT_YCbCr_422_SP &&
1078             format <= RK_FORMAT_YCrCb_420_P) {
1079                 if ((src_win->area[0].xact % 2) != 0)
1080                         src_win->area[0].xact += 1;
1081                 if ((src_win->area[0].yact % 2) != 0)
1082                         src_win->area[0].yact += 1;
1083         }
1084         if (src_win->area[0].xvir < src_win->area[0].xact)
1085                 src_win->area[0].xvir = src_win->area[0].xact;
1086         if (src_win->area[0].yvir < src_win->area[0].yact)
1087                 src_win->area[0].yvir = src_win->area[0].yact;
1088
1089         format = get_rga_format(dst_win->area[0].format);
1090         if (format >= RK_FORMAT_YCbCr_422_SP &&
1091             format <= RK_FORMAT_YCrCb_420_P) {
1092                 if ((dst_win->area[0].xact % 2) != 0)
1093                         dst_win->area[0].xact += 1;
1094                 if ((dst_win->area[0].yact % 2) != 0)
1095                         dst_win->area[0].yact += 1;
1096         }
1097         if (dst_win->area[0].xvir < dst_win->area[0].xact)
1098                 dst_win->area[0].xvir = dst_win->area[0].xact;
1099         if (dst_win->area[0].yvir < dst_win->area[0].yact)
1100                 dst_win->area[0].yvir = dst_win->area[0].yact;
1101 }
1102
1103 static void win_copy_by_rga(struct rk_lcdc_win *dst_win,
1104                             struct rk_lcdc_win *src_win,
1105                             u16 orientation, int iommu_en)
1106 {
1107         struct rga_req Rga_Request;
1108         long ret = 0;
1109         /* int fd = 0; */
1110
1111         memset(&Rga_Request, 0, sizeof(Rga_Request));
1112         rga_win_check(dst_win, src_win);
1113
1114         switch (orientation) {
1115         case ROTATE_90:
1116                 Rga_Request.rotate_mode = 1;
1117                 Rga_Request.sina = 65536;
1118                 Rga_Request.cosa = 0;
1119                 Rga_Request.dst.act_w = dst_win->area[0].yact;
1120                 Rga_Request.dst.act_h = dst_win->area[0].xact;
1121                 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1122                 Rga_Request.dst.y_offset = 0;
1123                 break;
1124         case ROTATE_180:
1125                 Rga_Request.rotate_mode = 1;
1126                 Rga_Request.sina = 0;
1127                 Rga_Request.cosa = -65536;
1128                 Rga_Request.dst.act_w = dst_win->area[0].xact;
1129                 Rga_Request.dst.act_h = dst_win->area[0].yact;
1130                 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1131                 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1132                 break;
1133         case ROTATE_270:
1134                 Rga_Request.rotate_mode = 1;
1135                 Rga_Request.sina = -65536;
1136                 Rga_Request.cosa = 0;
1137                 Rga_Request.dst.act_w = dst_win->area[0].yact;
1138                 Rga_Request.dst.act_h = dst_win->area[0].xact;
1139                 Rga_Request.dst.x_offset = 0;
1140                 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1141                 break;
1142         default:
1143                 Rga_Request.rotate_mode = 0;
1144                 Rga_Request.dst.act_w = dst_win->area[0].xact;
1145                 Rga_Request.dst.act_h = dst_win->area[0].yact;
1146                 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1147                 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1148                 break;
1149         }
1150
1151 /*
1152         fd = ion_share_dma_buf_fd(rk_fb->ion_client, src_win->area[0].ion_hdl);
1153         Rga_Request.src.yrgb_addr = fd;
1154         fd = ion_share_dma_buf_fd(rk_fb->ion_client, dst_win->area[0].ion_hdl);
1155         Rga_Request.dst.yrgb_addr = fd;
1156 */
1157         Rga_Request.src.yrgb_addr = 0;
1158         Rga_Request.src.uv_addr =
1159             src_win->area[0].smem_start + src_win->area[0].y_offset;
1160         Rga_Request.src.v_addr = 0;
1161
1162         Rga_Request.dst.yrgb_addr = 0;
1163         Rga_Request.dst.uv_addr =
1164             dst_win->area[0].smem_start + dst_win->area[0].y_offset;
1165         Rga_Request.dst.v_addr = 0;
1166
1167         Rga_Request.src.vir_w = src_win->area[0].xvir;
1168         Rga_Request.src.vir_h = src_win->area[0].yvir;
1169         Rga_Request.src.format = get_rga_format(src_win->area[0].format);
1170         Rga_Request.src.act_w = src_win->area[0].xact;
1171         Rga_Request.src.act_h = src_win->area[0].yact;
1172         Rga_Request.src.x_offset = 0;
1173         Rga_Request.src.y_offset = 0;
1174
1175         Rga_Request.dst.vir_w = dst_win->area[0].xvir;
1176         Rga_Request.dst.vir_h = dst_win->area[0].yvir;
1177         Rga_Request.dst.format = get_rga_format(dst_win->area[0].format);
1178
1179         Rga_Request.clip.xmin = 0;
1180         Rga_Request.clip.xmax = dst_win->area[0].xact - 1;
1181         Rga_Request.clip.ymin = 0;
1182         Rga_Request.clip.ymax = dst_win->area[0].yact - 1;
1183         Rga_Request.scale_mode = 0;
1184 #if defined(CONFIG_ROCKCHIP_IOMMU)
1185         if (iommu_en) {
1186                 Rga_Request.mmu_info.mmu_en = 1;
1187                 Rga_Request.mmu_info.mmu_flag = 1;
1188         } else {
1189                 Rga_Request.mmu_info.mmu_en = 0;
1190                 Rga_Request.mmu_info.mmu_flag = 0;
1191         }
1192 #else
1193         Rga_Request.mmu_info.mmu_en = 0;
1194         Rga_Request.mmu_info.mmu_flag = 0;
1195 #endif
1196
1197         ret = rga_ioctl_kernel(&Rga_Request);
1198 }
1199
1200 /*
1201  * This function is used for copying fb by RGA Module
1202  * RGA only support copy RGB to RGB
1203  * RGA2 support copy RGB to RGB and YUV to YUV
1204  */
1205 static void fb_copy_by_rga(struct fb_info *dst_info,
1206                                 struct fb_info *src_info)
1207 {
1208         struct rk_fb_par *src_fb_par = (struct rk_fb_par *)src_info->par;
1209         struct rk_fb_par *dst_fb_par = (struct rk_fb_par *)dst_info->par;
1210         struct rk_lcdc_driver *dev_drv = src_fb_par->lcdc_drv;
1211         struct rk_lcdc_driver *ext_dev_drv = dst_fb_par->lcdc_drv;
1212         int win_id = 0, ext_win_id;
1213         struct rk_lcdc_win *src_win, *dst_win;
1214
1215         win_id = dev_drv->ops->fb_get_win_id(dev_drv, src_info->fix.id);
1216         src_win = dev_drv->win[win_id];
1217
1218         ext_win_id =
1219             ext_dev_drv->ops->fb_get_win_id(ext_dev_drv, dst_info->fix.id);
1220         dst_win = ext_dev_drv->win[ext_win_id];
1221
1222         win_copy_by_rga(dst_win, src_win, ext_dev_drv->rotate_mode,
1223                         ext_dev_drv->iommu_enabled);
1224 }
1225 #endif
1226
1227 static int rk_fb_rotate(struct fb_info *dst_info,
1228                           struct fb_info *src_info)
1229 {
1230
1231 #if defined(CONFIG_RK29_IPP)
1232         fb_copy_by_ipp(dst_info, src_info);
1233 #elif defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1234         fb_copy_by_rga(dst_info, src_info);
1235 #else
1236         return -1;
1237 #endif
1238         return 0;
1239 }
1240
1241 static int __maybe_unused rk_fb_win_rotate(struct rk_lcdc_win *dst_win,
1242                                             struct rk_lcdc_win *src_win,
1243                                             u16 rotate, int iommu_en)
1244 {
1245 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1246         win_copy_by_rga(dst_win, src_win, rotate, iommu_en);
1247 #else
1248         return -1;
1249 #endif
1250         return 0;
1251 }
1252
1253 #endif
1254
1255 static int rk_fb_pan_display(struct fb_var_screeninfo *var,
1256                              struct fb_info *info)
1257 {
1258         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1259         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1260         struct fb_fix_screeninfo *fix = &info->fix;
1261         int win_id = 0;
1262         struct rk_lcdc_win *win = NULL;
1263         struct rk_screen *screen = dev_drv->cur_screen;
1264         u32 xoffset = var->xoffset;
1265         u32 yoffset = var->yoffset;
1266         u32 xvir = var->xres_virtual;
1267         u8 pixel_width;
1268         u32 vir_width_bit;
1269         u32 stride, uv_stride;
1270         u32 stride_32bit_1;
1271         u32 stride_32bit_2;
1272         u16 uv_x_off, uv_y_off, uv_y_act;
1273         u8 is_pic_yuv = 0;
1274
1275         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1276         if (win_id < 0)
1277                 return -ENODEV;
1278         else
1279                 win = dev_drv->win[win_id];
1280
1281         pixel_width = rk_fb_pixel_width(win->area[0].format);
1282         vir_width_bit = pixel_width * xvir;
1283         stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
1284         stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
1285
1286         switch (win->area[0].format) {
1287         case YUV422:
1288         case YUV422_A:
1289                 is_pic_yuv = 1;
1290                 stride = stride_32bit_1;
1291                 uv_stride = stride_32bit_1 >> 1;
1292                 uv_x_off = xoffset >> 1;
1293                 uv_y_off = yoffset;
1294                 fix->line_length = stride;
1295                 uv_y_act = win->area[0].yact >> 1;
1296                 break;
1297         case YUV420:            /* nv12 */
1298         case YUV420_NV21:       /* nv21 */
1299         case YUV420_A:
1300                 is_pic_yuv = 1;
1301                 stride = stride_32bit_1;
1302                 uv_stride = stride_32bit_1;
1303                 uv_x_off = xoffset;
1304                 uv_y_off = yoffset >> 1;
1305                 fix->line_length = stride;
1306                 uv_y_act = win->area[0].yact >> 1;
1307                 break;
1308         case YUV444:
1309         case YUV444_A:
1310                 is_pic_yuv = 1;
1311                 stride = stride_32bit_1;
1312                 uv_stride = stride_32bit_2;
1313                 uv_x_off = xoffset * 2;
1314                 uv_y_off = yoffset;
1315                 fix->line_length = stride << 2;
1316                 uv_y_act = win->area[0].yact;
1317                 break;
1318         default:
1319                 stride = stride_32bit_1;        /* default rgb */
1320                 fix->line_length = stride;
1321                 break;
1322         }
1323
1324         /* x y mirror ,jump line */
1325         if ((screen->y_mirror == 1) ||
1326             (win->mirror_en == 1)) {
1327                 if (screen->interlace == 1) {
1328                         win->area[0].y_offset = yoffset * stride * 2 +
1329                             ((win->area[0].yact - 1) * 2 + 1) * stride +
1330                             xoffset * pixel_width / 8;
1331                 } else {
1332                         win->area[0].y_offset = yoffset * stride +
1333                             (win->area[0].yact - 1) * stride +
1334                             xoffset * pixel_width / 8;
1335                 }
1336         } else {
1337                 if (screen->interlace == 1) {
1338                         win->area[0].y_offset =
1339                             yoffset * stride * 2 + xoffset * pixel_width / 8;
1340                 } else {
1341                         win->area[0].y_offset =
1342                             yoffset * stride + xoffset * pixel_width / 8;
1343                 }
1344         }
1345         if (is_pic_yuv == 1) {
1346                 if ((screen->y_mirror == 1) ||
1347                     (win->mirror_en == 1)) {
1348                         if (screen->interlace == 1) {
1349                                 win->area[0].c_offset =
1350                                     uv_y_off * uv_stride * 2 +
1351                                     ((uv_y_act - 1) * 2 + 1) * uv_stride +
1352                                     uv_x_off * pixel_width / 8;
1353                         } else {
1354                                 win->area[0].c_offset = uv_y_off * uv_stride +
1355                                     (uv_y_act - 1) * uv_stride +
1356                                     uv_x_off * pixel_width / 8;
1357                         }
1358                 } else {
1359                         if (screen->interlace == 1) {
1360                                 win->area[0].c_offset =
1361                                     uv_y_off * uv_stride * 2 +
1362                                     uv_x_off * pixel_width / 8;
1363                         } else {
1364                                 win->area[0].c_offset =
1365                                     uv_y_off * uv_stride +
1366                                     uv_x_off * pixel_width / 8;
1367                         }
1368                 }
1369         }
1370
1371         win->area[0].smem_start = fix->smem_start;
1372         win->area[0].cbr_start = fix->mmio_start;
1373         win->area[0].state = 1;
1374         win->area_num = 1;
1375
1376         dev_drv->ops->pan_display(dev_drv, win_id);
1377
1378 #ifdef  CONFIG_FB_MIRRORING
1379         if (video_data_to_mirroring)
1380                 video_data_to_mirroring(info, NULL);
1381 #endif
1382         /*if not want the config effect,set reserved[3] bit[0] 1*/
1383         if (likely((var->reserved[3] & 0x1) == 0))
1384                 dev_drv->ops->cfg_done(dev_drv);
1385
1386         return 0;
1387 }
1388
1389 static int rk_fb_get_list_stat(struct rk_lcdc_driver *dev_drv)
1390 {
1391         int i, j;
1392
1393         i = list_empty(&dev_drv->update_regs_list);
1394         j = list_empty(&dev_drv->saved_list);
1395         return i == j ? 0 : 1;
1396 }
1397
1398 void rk_fd_fence_wait(struct rk_lcdc_driver *dev_drv, struct sync_fence *fence)
1399 {
1400         int err = sync_fence_wait(fence, 1000);
1401
1402         if (err >= 0)
1403                 return;
1404
1405         if (err == -ETIME)
1406                 err = sync_fence_wait(fence, 10 * MSEC_PER_SEC);
1407
1408         if (err < 0)
1409                 printk("error waiting on fence\n");
1410 }
1411 #if 0
1412 static int rk_fb_copy_from_loader(struct fb_info *info)
1413 {
1414         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1415         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1416         void *dst = info->screen_base;
1417         u32 dsp_addr[4];
1418         u32 src;
1419         u32 i,size;
1420         int win_id;
1421         struct rk_lcdc_win *win;
1422
1423         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1424         win = dev_drv->win[win_id];
1425         size = (win->area[0].xact) * (win->area[0].yact) << 2;
1426         dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1427         src = dsp_addr[win_id];
1428         dev_info(info->dev, "copy fb data %d x %d  from  dst_addr:%08x\n",
1429                  win->area[0].xact, win->area[0].yact, src);
1430         for (i = 0; i < size; i += PAGE_SIZE) {
1431                 void *page = phys_to_page(i + src);
1432                 void *from_virt = kmap(page);
1433                 void *to_virt = dst + i;
1434                 memcpy(to_virt, from_virt, PAGE_SIZE);
1435         }
1436         dev_drv->ops->direct_set_addr(dev_drv, win_id,
1437                                       info->fix.smem_start);
1438         return 0;
1439 }
1440 #endif
1441 #ifdef CONFIG_ROCKCHIP_IOMMU
1442 static int g_last_addr[4];
1443 int g_last_timeout;
1444 u32 freed_addr[10];
1445 u32 freed_index;
1446
1447 #define DUMP_CHUNK 256
1448 char buf[PAGE_SIZE];
1449
1450 int rk_fb_sysmmu_fault_handler(struct device *dev,
1451                                enum rk_iommu_inttype itype,
1452                                unsigned long pgtable_base,
1453                                unsigned long fault_addr, unsigned int status)
1454 {
1455         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
1456         int i = 0;
1457         static int page_fault_cnt;
1458         if ((page_fault_cnt++) >= 10)
1459                 return 0;
1460         pr_err
1461             ("PAGE FAULT occurred at 0x%lx (Page table base: 0x%lx),status=%d\n",
1462              fault_addr, pgtable_base, status);
1463         printk("last config addr:\n" "win0:0x%08x\n" "win1:0x%08x\n"
1464                "win2:0x%08x\n" "win3:0x%08x\n", g_last_addr[0], g_last_addr[1],
1465                g_last_addr[2], g_last_addr[3]);
1466         printk("last freed buffer:\n");
1467         for (i = 0; (freed_addr[i] != 0xfefefefe) && freed_addr[i]; i++)
1468                 printk("%d:0x%08x\n", i, freed_addr[i]);
1469         printk("last timeout:%d\n", g_last_timeout);
1470         dev_drv->ops->get_disp_info(dev_drv, buf, 0);
1471         for (i = 0; i < PAGE_SIZE; i += DUMP_CHUNK) {
1472                 if ((PAGE_SIZE - i) > DUMP_CHUNK) {
1473                         char c = buf[i + DUMP_CHUNK];
1474                         buf[i + DUMP_CHUNK] = 0;
1475                         pr_cont("%s", buf + i);
1476                         buf[i + DUMP_CHUNK] = c;
1477                 } else {
1478                         buf[PAGE_SIZE - 1] = 0;
1479                         pr_cont("%s", buf + i);
1480                 }
1481         }
1482
1483         return 0;
1484 }
1485 #endif
1486
1487 void rk_fb_free_dma_buf(struct rk_lcdc_driver *dev_drv,
1488                         struct rk_fb_reg_win_data *reg_win_data)
1489 {
1490         int i, index_buf;
1491         struct rk_fb_reg_area_data *area_data;
1492         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1493
1494         for (i = 0; i < reg_win_data->area_num; i++) {
1495                 area_data = &reg_win_data->reg_area_data[i];
1496                 index_buf = area_data->index_buf;
1497 #if defined(CONFIG_ROCKCHIP_IOMMU)
1498                 if (dev_drv->iommu_enabled) {
1499                         if ((rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
1500                              (area_data->ion_handle != NULL))
1501                                 ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client,
1502                                                 area_data->ion_handle);
1503                         freed_addr[freed_index++] = area_data->smem_start;
1504                 }
1505 #endif
1506                 if (area_data->ion_handle != NULL)
1507                         ion_free(rk_fb->ion_client, area_data->ion_handle);
1508
1509                 if (area_data->acq_fence)
1510                         sync_fence_put(area_data->acq_fence);
1511         }
1512         memset(reg_win_data, 0, sizeof(struct rk_fb_reg_win_data));
1513 }
1514
1515 static void rk_fb_update_win(struct rk_lcdc_driver *dev_drv,
1516                                 struct rk_lcdc_win *win,
1517                                 struct rk_fb_reg_win_data *reg_win_data)
1518 {
1519         int i = 0;
1520         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
1521         struct rk_screen *cur_screen;
1522         struct rk_screen primary_screen;
1523
1524         if (unlikely(!inf) || unlikely(!dev_drv) ||
1525             unlikely(!win) || unlikely(!reg_win_data))
1526                 return;
1527
1528         cur_screen = dev_drv->cur_screen;
1529         rk_fb_get_prmry_screen(&primary_screen);
1530
1531         win->area_num = reg_win_data->area_num;
1532         win->id = reg_win_data->win_id;
1533         win->z_order = reg_win_data->z_order;
1534
1535         if (reg_win_data->reg_area_data[0].smem_start > 0) {
1536                 win->state = 1;
1537                 win->area_num = reg_win_data->area_num;
1538                 win->id = reg_win_data->win_id;
1539                 win->z_order = reg_win_data->z_order;
1540                 win->area[0].uv_vir_stride =
1541                     reg_win_data->reg_area_data[0].uv_vir_stride;
1542                 win->area[0].cbr_start =
1543                     reg_win_data->reg_area_data[0].cbr_start;
1544                 win->area[0].c_offset = reg_win_data->reg_area_data[0].c_offset;
1545                 win->alpha_en = reg_win_data->alpha_en;
1546                 win->alpha_mode = reg_win_data->alpha_mode;
1547                 win->g_alpha_val = reg_win_data->g_alpha_val;
1548                 win->mirror_en = reg_win_data->mirror_en;
1549                 win->area[0].fbdc_en =
1550                         reg_win_data->reg_area_data[0].fbdc_en;
1551                 win->area[0].fbdc_cor_en =
1552                         reg_win_data->reg_area_data[0].fbdc_cor_en;
1553                 win->area[0].fbdc_data_format =
1554                         reg_win_data->reg_area_data[0].fbdc_data_format;
1555                 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
1556                         if (reg_win_data->reg_area_data[i].smem_start > 0) {
1557                                 win->area[i].format =
1558                                         reg_win_data->reg_area_data[i].data_format;
1559                                 if (inf->disp_policy != DISPLAY_POLICY_BOX)
1560                                         win->area[i].ion_hdl =
1561                                         reg_win_data->reg_area_data[i].ion_handle;
1562                                 win->area[i].smem_start =
1563                                         reg_win_data->reg_area_data[i].smem_start;
1564                                 if (inf->disp_mode == DUAL ||
1565                                     inf->disp_mode == NO_DUAL ||
1566                                     inf->disp_policy == DISPLAY_POLICY_BOX) {
1567                                         win->area[i].xpos =
1568                                                 reg_win_data->reg_area_data[i].xpos;
1569                                         win->area[i].ypos =
1570                                                 reg_win_data->reg_area_data[i].ypos;
1571                                         win->area[i].xsize =
1572                                                 reg_win_data->reg_area_data[i].xsize;
1573                                         win->area[i].ysize =
1574                                                 reg_win_data->reg_area_data[i].ysize;
1575                                 } else {
1576                                         win->area[i].xpos =
1577                                                 reg_win_data->reg_area_data[i].xpos *
1578                                                 cur_screen->mode.xres /
1579                                                 primary_screen.mode.xres;
1580                                         win->area[i].ypos =
1581                                                 reg_win_data->reg_area_data[i].ypos *
1582                                                 cur_screen->mode.yres /
1583                                                 primary_screen.mode.yres;
1584                                         win->area[i].xsize =
1585                                                 reg_win_data->reg_area_data[i].xsize *
1586                                                 cur_screen->mode.xres /
1587                                                 primary_screen.mode.xres;
1588                                         win->area[i].ysize =
1589                                                 reg_win_data->reg_area_data[i].ysize *
1590                                                 cur_screen->mode.yres /
1591                                                 primary_screen.mode.yres;
1592
1593                                         /* recalc display size if set hdmi scaler when at ONE_DUAL mode */
1594                                         if (inf->disp_mode == ONE_DUAL && hdmi_switch_complete) {
1595                                                 if (cur_screen->xsize > 0 &&
1596                                                     cur_screen->xsize <= cur_screen->mode.xres) {
1597                                                         win->area[i].xpos =
1598                                                                 ((cur_screen->mode.xres - cur_screen->xsize) >> 1) +
1599                                                                 cur_screen->xsize * win->area[i].xpos / cur_screen->mode.xres;
1600                                                         win->area[i].xsize =
1601                                                                 win->area[i].xsize * cur_screen->xsize / cur_screen->mode.xres;
1602                                                 }
1603                                                 if (cur_screen->ysize > 0 && cur_screen->ysize <= cur_screen->mode.yres) {
1604                                                         win->area[i].ypos =
1605                                                                 ((cur_screen->mode.yres - cur_screen->ysize) >> 1) +
1606                                                                 cur_screen->ysize * win->area[i].ypos / cur_screen->mode.yres;
1607                                                         win->area[i].ysize =
1608                                                                 win->area[i].ysize * cur_screen->ysize / cur_screen->mode.yres;
1609                                                 }
1610                                         }
1611                                 }
1612                                 win->area[i].xact =
1613                                     reg_win_data->reg_area_data[i].xact;
1614                                 win->area[i].yact =
1615                                     reg_win_data->reg_area_data[i].yact;
1616                                 win->area[i].xvir =
1617                                     reg_win_data->reg_area_data[i].xvir;
1618                                 win->area[i].yvir =
1619                                     reg_win_data->reg_area_data[i].yvir;
1620                                 win->area[i].xoff =
1621                                     reg_win_data->reg_area_data[i].xoff;
1622                                 win->area[i].yoff =
1623                                     reg_win_data->reg_area_data[i].yoff;
1624                                 win->area[i].y_offset =
1625                                     reg_win_data->reg_area_data[i].y_offset;
1626                                 win->area[i].y_vir_stride =
1627                                     reg_win_data->reg_area_data[i].y_vir_stride;
1628                                 win->area[i].state = 1;
1629                         } else {
1630                                 win->area[i].state = 0;
1631                         }
1632                 }
1633         } else {
1634         /*
1635                 win->state = 0;
1636                 win->z_order = -1;
1637         */
1638         }
1639 }
1640
1641 static struct rk_fb_reg_win_data *rk_fb_get_win_data(struct rk_fb_reg_data
1642                                                      *regs, int win_id)
1643 {
1644         int i;
1645         struct rk_fb_reg_win_data *win_data = NULL;
1646         for (i = 0; i < regs->win_num; i++) {
1647                 if (regs->reg_win_data[i].win_id == win_id) {
1648                         win_data = &(regs->reg_win_data[i]);
1649                         break;
1650                 }
1651         }
1652
1653         return win_data;
1654 }
1655
1656 static void rk_fb_update_reg(struct rk_lcdc_driver *dev_drv,
1657                              struct rk_fb_reg_data *regs)
1658 {
1659         int i, j;
1660         struct rk_lcdc_win *win;
1661         ktime_t timestamp = dev_drv->vsync_info.timestamp;
1662         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1663         struct rk_fb_reg_win_data *win_data;
1664         bool wait_for_vsync;
1665         int count = 100;
1666         unsigned int dsp_addr[4];
1667         long timeout;
1668         int win_status = 0;
1669
1670         /* acq_fence wait */
1671         for (i = 0; i < regs->win_num; i++) {
1672                 win_data = &regs->reg_win_data[i];
1673                 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1674                         if (win_data->reg_area_data[j].acq_fence) {
1675                                 /* printk("acq_fence wait!!!!!\n"); */
1676                                 rk_fd_fence_wait(dev_drv, win_data->reg_area_data[j].acq_fence);
1677                         }
1678                 }
1679         }
1680
1681         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1682                 win = dev_drv->win[i];
1683                 win_data = rk_fb_get_win_data(regs, i);
1684                 if (win_data) {
1685                         if (rk_fb->disp_policy == DISPLAY_POLICY_BOX &&
1686                             (win_data->reg_area_data[0].data_format == YUV420 ||
1687                              win_data->reg_area_data[0].data_format == YUV420_NV21 ||
1688                              win_data->reg_area_data[0].data_format == YUV420_A))
1689                                 continue;
1690                         mutex_lock(&dev_drv->win_config);
1691                         rk_fb_update_win(dev_drv, win, win_data);
1692                         win->state = 1;
1693                         dev_drv->ops->set_par(dev_drv, i);
1694                         dev_drv->ops->pan_display(dev_drv, i);
1695                         mutex_unlock(&dev_drv->win_config);
1696 #if defined(CONFIG_ROCKCHIP_IOMMU)
1697                         if (dev_drv->iommu_enabled) {
1698                                 g_last_addr[i] = win_data->reg_area_data[0].smem_start +
1699                                         win_data->reg_area_data[0].y_offset;
1700                         }
1701 #endif
1702                 } else {
1703                         win->z_order = -1;
1704                         win->state = 0;
1705                 }
1706         }
1707         dev_drv->ops->ovl_mgr(dev_drv, 0, 1);
1708         dev_drv->ops->cfg_done(dev_drv);
1709
1710         do {
1711                 timestamp = dev_drv->vsync_info.timestamp;
1712                 timeout = wait_event_interruptible_timeout(dev_drv->vsync_info.wait,
1713                                 ktime_compare(dev_drv->vsync_info.timestamp, timestamp) > 0,
1714                                 msecs_to_jiffies(50));
1715
1716                 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1717                 wait_for_vsync = false;
1718                 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1719                         if (rk_fb->disp_policy == DISPLAY_POLICY_BOX &&
1720                             (!strcmp(dev_drv->win[i]->name, "hwc")))
1721                                 continue;
1722                         if (dev_drv->win[i]->state == 1) {
1723                                 u32 new_start =
1724                                     dev_drv->win[i]->area[0].smem_start +
1725                                     dev_drv->win[i]->area[0].y_offset;
1726                                 u32 reg_start = dsp_addr[i];
1727
1728                                 if ((rk_fb->disp_policy ==
1729                                      DISPLAY_POLICY_BOX) &&
1730                                     (dev_drv->suspend_flag))
1731                                         continue;
1732                                 if (unlikely(new_start != reg_start)) {
1733                                         wait_for_vsync = true;
1734                                         dev_info(dev_drv->dev,
1735                                                "win%d:new_addr:0x%08x cur_addr:0x%08x--%d\n",
1736                                                i, new_start, reg_start, 101 - count);
1737                                         break;
1738                                 }
1739                         } else if (dev_drv->win[i]->state == 0) {
1740                                 if (dev_drv->ops->get_win_state) {
1741                                         win_status =
1742                                         dev_drv->ops->get_win_state(dev_drv, i);
1743                                         if (win_status)
1744                                                wait_for_vsync = true;
1745                                 }
1746                         } else {
1747                                 pr_err("!!!win[%d]state:%d,error!!!\n",
1748                                         i, dev_drv->win[i]->state);
1749                         }
1750                 }
1751         } while (wait_for_vsync && count--);
1752 #ifdef H_USE_FENCE
1753         sw_sync_timeline_inc(dev_drv->timeline, 1);
1754 #endif
1755         if (dev_drv->front_regs) {
1756 #if defined(CONFIG_ROCKCHIP_IOMMU)
1757                 if (dev_drv->iommu_enabled) {
1758                         if (dev_drv->ops->mmu_en)
1759                                 dev_drv->ops->mmu_en(dev_drv);
1760                         freed_index = 0;
1761                         g_last_timeout = timeout;
1762                 }
1763 #endif
1764
1765                 mutex_lock(&dev_drv->front_lock);
1766
1767                 for (i = 0; i < dev_drv->front_regs->win_num; i++) {
1768                         win_data = &dev_drv->front_regs->reg_win_data[i];
1769                         rk_fb_free_dma_buf(dev_drv, win_data);
1770                 }
1771                 kfree(dev_drv->front_regs);
1772
1773                 mutex_unlock(&dev_drv->front_lock);
1774
1775 #if defined(CONFIG_ROCKCHIP_IOMMU)
1776                 if (dev_drv->iommu_enabled)
1777                         freed_addr[freed_index] = 0xfefefefe;
1778 #endif
1779         }
1780
1781         mutex_lock(&dev_drv->front_lock);
1782
1783         dev_drv->front_regs = regs;
1784
1785         mutex_unlock(&dev_drv->front_lock);
1786
1787         trace_buffer_dump(&fb_pdev->dev, dev_drv);
1788 }
1789
1790 static void rk_fb_update_regs_handler(struct kthread_work *work)
1791 {
1792         struct rk_lcdc_driver *dev_drv =
1793             container_of(work, struct rk_lcdc_driver, update_regs_work);
1794         struct rk_fb_reg_data *data, *next;
1795
1796         mutex_lock(&dev_drv->update_regs_list_lock);
1797         dev_drv->saved_list = dev_drv->update_regs_list;
1798         list_replace_init(&dev_drv->update_regs_list, &dev_drv->saved_list);
1799         mutex_unlock(&dev_drv->update_regs_list_lock);
1800
1801         list_for_each_entry_safe(data, next, &dev_drv->saved_list, list) {
1802                 rk_fb_update_reg(dev_drv, data);
1803                 list_del(&data->list);
1804         }
1805
1806         if (dev_drv->wait_fs && list_empty(&dev_drv->update_regs_list))
1807                 wake_up(&dev_drv->update_regs_wait);
1808 }
1809
1810 static int rk_fb_check_config_var(struct rk_fb_area_par *area_par,
1811                                   struct rk_screen *screen)
1812 {
1813         if ((area_par->x_offset + area_par->xact > area_par->xvir) ||
1814             (area_par->xact <= 0) || (area_par->yact <= 0) ||
1815             (area_par->xvir <= 0) || (area_par->yvir <= 0)) {
1816                 pr_err("check config var fail 0:\n"
1817                        "x_offset=%d,xact=%d,xvir=%d\n",
1818                        area_par->x_offset, area_par->xact, area_par->xvir);
1819                 return -EINVAL;
1820         }
1821
1822         if ((area_par->xpos + area_par->xsize > screen->mode.xres) ||
1823             (area_par->ypos + area_par->ysize > screen->mode.yres) ||
1824             (area_par->xsize <= 0) || (area_par->ysize <= 0)) {
1825                 pr_warn("check config var fail 1:\n"
1826                        "xpos=%d,xsize=%d,xres=%d\n"
1827                        "ypos=%d,ysize=%d,yres=%d\n",
1828                        area_par->xpos, area_par->xsize, screen->mode.xres,
1829                        area_par->ypos, area_par->ysize, screen->mode.yres);
1830                 return -EINVAL;
1831         }
1832         return 0;
1833 }
1834
1835 static int rk_fb_set_win_buffer(struct fb_info *info,
1836                                 struct rk_fb_win_par *win_par,
1837                                 struct rk_fb_reg_win_data *reg_win_data)
1838 {
1839         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
1840         struct fb_fix_screeninfo *fix = &info->fix;
1841         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1842         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1843         /*if hdmi size move to hwc,screen should point to cur_screen
1844           otherwise point to screen0[main screen]*/
1845         struct rk_screen *screen = dev_drv->cur_screen;/*screen0;*/
1846         struct fb_info *fbi;
1847         int i, ion_fd, acq_fence_fd;
1848         u32 xvir, yvir;
1849         u32 xoffset, yoffset;
1850
1851         struct ion_handle *hdl;
1852         size_t len;
1853         int index_buf;
1854         u8 fb_data_fmt;
1855         u8 pixel_width;
1856         u32 vir_width_bit;
1857         u32 stride, uv_stride;
1858         u32 stride_32bit_1;
1859         u32 stride_32bit_2;
1860         u16 uv_x_off, uv_y_off, uv_y_act;
1861         u8 is_pic_yuv = 0;
1862         u8 ppixel_a = 0, global_a = 0;
1863         ion_phys_addr_t phy_addr;
1864         int ret = 0;
1865         int buff_len;
1866
1867         reg_win_data->reg_area_data[0].smem_start = -1;
1868         reg_win_data->area_num = 0;
1869         fbi = rk_fb->fb[reg_win_data->win_id];
1870         if (win_par->area_par[0].phy_addr == 0) {
1871                 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
1872                         ion_fd = win_par->area_par[i].ion_fd;
1873                         if (ion_fd > 0) {
1874                                 hdl =
1875                                     ion_import_dma_buf(rk_fb->ion_client,
1876                                                        ion_fd);
1877                                 if (IS_ERR(hdl)) {
1878                                         pr_info("%s: Could not import handle:"
1879                                                 " %ld\n", __func__, (long)hdl);
1880                                         /*return -EINVAL; */
1881                                         break;
1882                                 }
1883                                 reg_win_data->area_num++;
1884                                 reg_win_data->reg_area_data[i].ion_handle = hdl;
1885 #ifndef CONFIG_ROCKCHIP_IOMMU
1886                                 ret = ion_phys(rk_fb->ion_client, hdl, &phy_addr,
1887                                                 &len);
1888 #else
1889                                 if (dev_drv->iommu_enabled)
1890                                         ret = ion_map_iommu(dev_drv->dev,
1891                                                                 rk_fb->ion_client,
1892                                                                 hdl,
1893                                                                 (unsigned long *)&phy_addr,
1894                                                                 (unsigned long *)&len);
1895                                 else
1896                                         ret = ion_phys(rk_fb->ion_client, hdl,
1897                                                         &phy_addr, &len);
1898 #endif
1899                                 if (ret < 0) {
1900                                         dev_err(fbi->dev, "ion map to get phy addr failed\n");
1901                                         ion_free(rk_fb->ion_client, hdl);
1902                                         return -ENOMEM;
1903                                 }
1904                                 reg_win_data->reg_area_data[i].smem_start = phy_addr;
1905                                 reg_win_data->area_buf_num++;
1906                                 reg_win_data->reg_area_data[i].index_buf = 1;
1907                                 reg_win_data->reg_area_data[i].buff_len = len;
1908                         }
1909                 }
1910         } else {
1911                 reg_win_data->reg_area_data[0].smem_start =
1912                     win_par->area_par[0].phy_addr;
1913                 reg_win_data->area_num = 1;
1914                 reg_win_data->area_buf_num++;
1915                 fbi->screen_base = phys_to_virt(win_par->area_par[0].phy_addr);
1916         }
1917
1918         if (reg_win_data->area_num == 0)
1919                 return 0;
1920
1921         for (i = 0; i < reg_win_data->area_num; i++) {
1922                 acq_fence_fd = win_par->area_par[i].acq_fence_fd;
1923                 index_buf = reg_win_data->reg_area_data[i].index_buf;
1924                 if ((acq_fence_fd > 0) && (index_buf == 1)) {
1925                         reg_win_data->reg_area_data[i].acq_fence =
1926                             sync_fence_fdget(win_par->area_par[i].acq_fence_fd);
1927                 }
1928         }
1929         if (reg_win_data->reg_area_data[0].smem_start > 0) {
1930                 reg_win_data->z_order = win_par->z_order;
1931                 reg_win_data->win_id = win_par->win_id;
1932         } else {
1933                 reg_win_data->z_order = -1;
1934                 reg_win_data->win_id = -1;
1935         }
1936
1937         reg_win_data->mirror_en = win_par->mirror_en;
1938         for (i = 0; i < reg_win_data->area_num; i++) {
1939                 rk_fb_check_config_var(&win_par->area_par[i], screen);
1940
1941                 fb_data_fmt = rk_fb_data_fmt(win_par->area_par[i].data_format, 0);
1942                 reg_win_data->reg_area_data[i].data_format = fb_data_fmt;
1943                 if (fb_data_fmt >= FBDC_RGB_565) {
1944                         reg_win_data->reg_area_data[i].fbdc_en = 1;
1945                         reg_win_data->reg_area_data[i].fbdc_cor_en = 1;
1946                 } else {
1947                         reg_win_data->reg_area_data[i].fbdc_en = 0;
1948                         reg_win_data->reg_area_data[i].fbdc_cor_en = 0;
1949                 }
1950                 pixel_width = rk_fb_pixel_width(fb_data_fmt);
1951
1952                 ppixel_a |= ((fb_data_fmt == ARGB888) ||
1953                              (fb_data_fmt == FBDC_ARGB_888) ||
1954                              (fb_data_fmt == FBDC_ABGR_888) ||
1955                              (fb_data_fmt == ABGR888)) ? 1 : 0;
1956                 /* visiable pos in panel */
1957                 reg_win_data->reg_area_data[i].xpos = win_par->area_par[i].xpos;
1958                 reg_win_data->reg_area_data[i].ypos = win_par->area_par[i].ypos;
1959
1960                 /* realy size in panel */
1961                 reg_win_data->reg_area_data[i].xsize = win_par->area_par[i].xsize;
1962                 reg_win_data->reg_area_data[i].ysize = win_par->area_par[i].ysize;
1963
1964                 /* realy size in panel */
1965                 reg_win_data->reg_area_data[i].xact = win_par->area_par[i].xact;
1966                 reg_win_data->reg_area_data[i].yact = win_par->area_par[i].yact;
1967
1968                 xoffset = win_par->area_par[i].x_offset;        /* buf offset */
1969                 yoffset = win_par->area_par[i].y_offset;
1970                 reg_win_data->reg_area_data[i].xoff = xoffset;
1971                 reg_win_data->reg_area_data[i].yoff = yoffset;
1972
1973                 xvir = win_par->area_par[i].xvir;
1974                 reg_win_data->reg_area_data[i].xvir = xvir;
1975                 yvir = win_par->area_par[i].yvir;
1976                 reg_win_data->reg_area_data[i].yvir = yvir;
1977
1978                 vir_width_bit = pixel_width * xvir;
1979                 /* pixel_width = byte_num*8 */
1980                 stride_32bit_1 = ((vir_width_bit + 31) & (~31)) / 8;
1981                 stride_32bit_2 = ((vir_width_bit * 2 + 31) & (~31)) / 8;
1982
1983                 stride = stride_32bit_1;        /* default rgb */
1984                 fix->line_length = stride;
1985                 reg_win_data->reg_area_data[i].y_vir_stride = stride >> 2;
1986
1987                 /* x y mirror ,jump line
1988                  * reg_win_data->reg_area_data[i].y_offset =
1989                  *              yoffset*stride+xoffset*pixel_width/8;
1990                  */
1991                 if ((screen->y_mirror == 1) || (reg_win_data->mirror_en)) {
1992                         if (screen->interlace == 1) {
1993                                 reg_win_data->reg_area_data[i].y_offset =
1994                                     yoffset * stride * 2 +
1995                                     ((reg_win_data->reg_area_data[i].yact - 1) * 2 + 1) * stride +
1996                                     xoffset * pixel_width / 8;
1997                         } else {
1998                                 reg_win_data->reg_area_data[i].y_offset =
1999                                     yoffset * stride +
2000                                     (reg_win_data->reg_area_data[i].yact - 1) * stride +
2001                                     xoffset * pixel_width / 8;
2002                         }
2003                 } else {
2004                         if (screen->interlace == 1) {
2005                                 reg_win_data->reg_area_data[i].y_offset =
2006                                     yoffset * stride * 2 +
2007                                     xoffset * pixel_width / 8;
2008                         } else {
2009                                 reg_win_data->reg_area_data[i].y_offset =
2010                                     yoffset * stride +
2011                                     xoffset * pixel_width / 8;
2012                         }
2013                 }
2014                 if ((fb_data_fmt != YUV420) &&
2015                     (fb_data_fmt != YUV420_NV21) &&
2016                     (fb_data_fmt != YUV422) &&
2017                     (fb_data_fmt != YUV444) &&
2018                     dev_drv->iommu_enabled) {
2019                         buff_len = reg_win_data->reg_area_data[i].y_offset +
2020                                 reg_win_data->reg_area_data[i].xvir *
2021                                 reg_win_data->reg_area_data[i].yact *
2022                                 pixel_width / 8 -
2023                                 reg_win_data->reg_area_data[i].xoff*
2024                                 pixel_width / 8;
2025                         if (buff_len > reg_win_data->reg_area_data[i].buff_len)
2026                                 pr_err("\n!!!!!!error: fmt=%d,xvir[%d]*"
2027                                        "yact[%d]*bpp[%d]"
2028                                        "=buff_len[0x%x]>>mmu len=0x%x\n",
2029                                        fb_data_fmt,
2030                                        reg_win_data->reg_area_data[i].xvir,
2031                                        reg_win_data->reg_area_data[i].yact,
2032                                        pixel_width, buff_len,
2033                                        reg_win_data->reg_area_data[i].buff_len);
2034                 }
2035         }
2036
2037         global_a = (win_par->g_alpha_val == 0) ? 0 : 1;
2038         reg_win_data->alpha_en = ppixel_a | global_a;
2039         reg_win_data->g_alpha_val = win_par->g_alpha_val;
2040         reg_win_data->alpha_mode = win_par->alpha_mode;
2041
2042         switch (fb_data_fmt) {
2043         case YUV422:
2044         case YUV422_A:
2045                 is_pic_yuv = 1;
2046                 stride = stride_32bit_1;
2047                 uv_stride = stride_32bit_1 >> 1;
2048                 uv_x_off = xoffset >> 1;
2049                 uv_y_off = yoffset;
2050                 fix->line_length = stride;
2051                 uv_y_act = win_par->area_par[0].yact >> 1;
2052                 break;
2053         case YUV420:            /* nv12 */
2054         case YUV420_NV21:       /* nv21 */
2055         case YUV420_A:
2056                 is_pic_yuv = 1;
2057                 stride = stride_32bit_1;
2058                 uv_stride = stride_32bit_1;
2059                 uv_x_off = xoffset;
2060                 uv_y_off = yoffset >> 1;
2061                 fix->line_length = stride;
2062                 uv_y_act = win_par->area_par[0].yact >> 1;
2063                 break;
2064         case YUV444:
2065         case YUV444_A:
2066                 is_pic_yuv = 1;
2067                 stride = stride_32bit_1;
2068                 uv_stride = stride_32bit_2;
2069                 uv_x_off = xoffset * 2;
2070                 uv_y_off = yoffset;
2071                 fix->line_length = stride << 2;
2072                 uv_y_act = win_par->area_par[0].yact;
2073                 break;
2074         default:
2075                 break;
2076         }
2077         if (is_pic_yuv == 1) {
2078                 reg_win_data->reg_area_data[0].cbr_start =
2079                     reg_win_data->reg_area_data[0].smem_start + xvir * yvir;
2080                 reg_win_data->reg_area_data[0].uv_vir_stride = uv_stride >> 2;
2081                 if ((screen->y_mirror == 1) || (reg_win_data->mirror_en)) {
2082                         if (screen->interlace == 1) {
2083                                 reg_win_data->reg_area_data[0].c_offset =
2084                                     uv_y_off * uv_stride * 2 +
2085                                     ((uv_y_act - 1) * 2 + 1) * uv_stride +
2086                                     uv_x_off * pixel_width / 8;
2087                         } else {
2088                                 reg_win_data->reg_area_data[0].c_offset =
2089                                     uv_y_off * uv_stride +
2090                                     (uv_y_act - 1) * uv_stride +
2091                                     uv_x_off * pixel_width / 8;
2092                         }
2093                 } else {
2094                         if (screen->interlace == 1) {
2095                                 reg_win_data->reg_area_data[0].c_offset =
2096                                     uv_y_off * uv_stride * 2 +
2097                                     uv_x_off * pixel_width / 8;
2098                         } else {
2099                                 reg_win_data->reg_area_data[0].c_offset =
2100                                     uv_y_off * uv_stride +
2101                                     uv_x_off * pixel_width / 8;
2102                         }
2103                 }
2104                 buff_len = reg_win_data->reg_area_data[0].cbr_start +
2105                         reg_win_data->reg_area_data[0].c_offset +
2106                         reg_win_data->reg_area_data[0].xvir *
2107                         reg_win_data->reg_area_data[0].yact *
2108                         pixel_width / 16 -
2109                         reg_win_data->reg_area_data[0].smem_start -
2110                         reg_win_data->reg_area_data[0].xoff*
2111                         pixel_width / 16 ;
2112                 if ((buff_len > reg_win_data->reg_area_data[0].buff_len) &&
2113                      dev_drv->iommu_enabled)
2114                         pr_err("\n!!!!!!error: fmt=%d,xvir[%d]*"
2115                                "yact[%d]*bpp[%d]"
2116                                "=buff_len[0x%x]>>mmu len=0x%x\n",
2117                                fb_data_fmt,
2118                                reg_win_data->reg_area_data[0].xvir,
2119                                reg_win_data->reg_area_data[0].yact,
2120                                pixel_width, buff_len,
2121                                reg_win_data->reg_area_data[0].buff_len);
2122         }
2123
2124         /* record buffer information for rk_fb_disp_scale to prevent fence timeout
2125          * because rk_fb_disp_scale will call function info->fbops->fb_set_par(info);
2126          */
2127         info->var.yoffset = yoffset;
2128         info->var.xoffset = xoffset;
2129         return 0;
2130 }
2131
2132 static int rk_fb_set_win_config(struct fb_info *info,
2133                                 struct rk_fb_win_cfg_data *win_data)
2134 {
2135         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2136         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2137         struct rk_fb_reg_data *regs;
2138 #ifdef H_USE_FENCE
2139         struct sync_fence *release_fence[RK_MAX_BUF_NUM];
2140         struct sync_fence *retire_fence;
2141         struct sync_pt *release_sync_pt[RK_MAX_BUF_NUM];
2142         struct sync_pt *retire_sync_pt;
2143         char fence_name[20];
2144 #endif
2145         int ret = 0, i, j = 0;
2146         int list_is_empty = 0;
2147
2148         if (dev_drv->suspend_flag) {
2149                 dev_drv->timeline_max++;
2150                 sw_sync_timeline_inc(dev_drv->timeline, 1);
2151                 return 0;
2152         }
2153
2154         regs = kzalloc(sizeof(struct rk_fb_reg_data), GFP_KERNEL);
2155         if (!regs) {
2156                 printk(KERN_INFO "could not allocate rk_fb_reg_data\n");
2157                 ret = -ENOMEM;
2158                 return ret;
2159         }
2160
2161 /*
2162         regs->post_cfg.xpos = win_data->post_cfg.xpos;
2163         regs->post_cfg.ypos = win_data->post_cfg.ypos;
2164         regs->post_cfg.xsize = win_data->post_cfg.xsize;
2165         regs->post_cfg.ysize = win_data->post_cfg.xsize;
2166 */
2167
2168         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
2169                 if (win_data->win_par[i].win_id < dev_drv->lcdc_win_num) {
2170                         if (rk_fb_set_win_buffer(info, &win_data->win_par[i],
2171                                                         &regs->reg_win_data[j]))
2172                                 return -ENOMEM;
2173                         if (regs->reg_win_data[j].area_num > 0) {
2174                                 regs->win_num++;
2175                                 regs->buf_num +=
2176                                     regs->reg_win_data[j].area_buf_num;
2177                         }
2178                         j++;
2179                 } else {
2180                         printk(KERN_INFO "error:win_id bigger than lcdc_win_num\n");
2181                         printk(KERN_INFO "i=%d,win_id=%d\n", i,
2182                                win_data->win_par[i].win_id);
2183                 }
2184         }
2185
2186         mutex_lock(&dev_drv->output_lock);
2187
2188         dev_drv->timeline_max++;
2189 #ifdef H_USE_FENCE
2190         for (i = 0; i < RK_MAX_BUF_NUM; i++) {
2191                 if (i < regs->buf_num) {
2192                         sprintf(fence_name, "fence%d", i);
2193                         win_data->rel_fence_fd[i] = get_unused_fd();
2194                         if (win_data->rel_fence_fd[i] < 0) {
2195                                 printk(KERN_INFO "rel_fence_fd=%d\n",
2196                                        win_data->rel_fence_fd[i]);
2197                                 ret = -EFAULT;
2198                                 goto err;
2199                         }
2200                         release_sync_pt[i] =
2201                             sw_sync_pt_create(dev_drv->timeline,
2202                                               dev_drv->timeline_max);
2203                         release_fence[i] =
2204                             sync_fence_create(fence_name, release_sync_pt[i]);
2205                         sync_fence_install(release_fence[i],
2206                                            win_data->rel_fence_fd[i]);
2207                 } else {
2208                         win_data->rel_fence_fd[i] = -1;
2209                 }
2210         }
2211
2212         win_data->ret_fence_fd = get_unused_fd();
2213         if (win_data->ret_fence_fd < 0) {
2214                 printk("ret_fence_fd=%d\n", win_data->ret_fence_fd);
2215                 win_data->ret_fence_fd = -1;
2216                 ret = -EFAULT;
2217                 goto err;
2218         }
2219         retire_sync_pt =
2220             sw_sync_pt_create(dev_drv->timeline, dev_drv->timeline_max);
2221         retire_fence = sync_fence_create("ret_fence", retire_sync_pt);
2222         sync_fence_install(retire_fence, win_data->ret_fence_fd);
2223 #else
2224         for (i = 0; i < RK_MAX_BUF_NUM; i++)
2225                 win_data->rel_fence_fd[i] = -1;
2226
2227         win_data->ret_fence_fd = -1;
2228 #endif
2229         if (dev_drv->wait_fs == 0) {
2230                 mutex_lock(&dev_drv->update_regs_list_lock);
2231                 list_add_tail(&regs->list, &dev_drv->update_regs_list);
2232                 mutex_unlock(&dev_drv->update_regs_list_lock);
2233                 queue_kthread_work(&dev_drv->update_regs_worker,
2234                                    &dev_drv->update_regs_work);
2235         } else {
2236                 mutex_lock(&dev_drv->update_regs_list_lock);
2237                 list_is_empty = list_empty(&dev_drv->update_regs_list) &&
2238                                         list_empty(&dev_drv->saved_list);
2239                 mutex_unlock(&dev_drv->update_regs_list_lock);
2240                 if (!list_is_empty) {
2241                         ret = wait_event_timeout(dev_drv->update_regs_wait,
2242                                 list_empty(&dev_drv->update_regs_list) && list_empty(&dev_drv->saved_list),
2243                                 msecs_to_jiffies(60));
2244                         if (ret > 0)
2245                                 rk_fb_update_reg(dev_drv, regs);
2246                         else
2247                                 printk("%s: wait update_regs_wait timeout\n", __func__);
2248                 } else if (ret == 0) {
2249                         rk_fb_update_reg(dev_drv, regs);
2250                 }
2251         }
2252
2253 err:
2254         mutex_unlock(&dev_drv->output_lock);
2255         return ret;
2256 }
2257
2258 #if 1
2259 static int cfgdone_distlist[10] = { 0 };
2260
2261 static int cfgdone_index;
2262 static int cfgdone_lasttime;
2263
2264 int rk_get_real_fps(int before)
2265 {
2266         struct timespec now;
2267         int dist_curr;
2268         int dist_total = 0;
2269         int dist_count = 0;
2270         int dist_first = 0;
2271
2272         int index = cfgdone_index;
2273         int i = 0, fps = 0;
2274         int total;
2275
2276         if (before > 100)
2277                 before = 100;
2278         if (before < 0)
2279                 before = 0;
2280
2281         getnstimeofday(&now);
2282         dist_curr = (now.tv_sec * 1000000 + now.tv_nsec / 1000) -
2283                         cfgdone_lasttime;
2284         total = dist_curr;
2285         /*
2286            printk("fps: ");
2287          */
2288         for (i = 0; i < 10; i++) {
2289                 if (--index < 0)
2290                         index = 9;
2291                 total += cfgdone_distlist[index];
2292                 if (i == 0)
2293                         dist_first = cfgdone_distlist[index];
2294                 if (total < (before * 1000)) {
2295                         /*
2296                            printk("[%d:%d] ", dist_count, cfgdone_distlist[index]);
2297                          */
2298                         dist_total += cfgdone_distlist[index];
2299                         dist_count++;
2300                 } else {
2301                         break;
2302                 }
2303         }
2304
2305         /*
2306            printk("total %d, count %d, curr %d, ", dist_total, dist_count, dist_curr);
2307          */
2308         dist_curr = (dist_curr > dist_first) ? dist_curr : dist_first;
2309         dist_total += dist_curr;
2310         dist_count++;
2311
2312         if (dist_total > 0)
2313                 fps = (1000000 * dist_count) / dist_total;
2314         else
2315                 fps = 60;
2316
2317         /*
2318            printk("curr2 %d, fps=%d\n", dist_curr, fps);
2319          */
2320         return fps;
2321 }
2322 EXPORT_SYMBOL(rk_get_real_fps);
2323
2324 #endif
2325 #ifdef CONFIG_ROCKCHIP_IOMMU
2326 #define ION_MAX 10
2327 static struct ion_handle *ion_hanle[ION_MAX];
2328 static struct ion_handle *ion_hwc[1];
2329 #endif
2330 static int rk_fb_ioctl(struct fb_info *info, unsigned int cmd,
2331                        unsigned long arg)
2332 {
2333         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2334         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2335         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2336         struct fb_fix_screeninfo *fix = &info->fix;
2337         struct rk_lcdc_win *win;
2338         int enable;     /* enable fb:1 enable;0 disable */
2339         int ovl;        /* overlay:0 win1 on the top of win0;1,win0 on the top of win1 */
2340         int num_buf;    /* buffer_number */
2341         int ret;
2342         struct rk_fb_win_cfg_data win_data;
2343         unsigned int dsp_addr[4];
2344         int list_stat;
2345
2346         int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2347
2348         void __user *argp = (void __user *)arg;
2349         win = dev_drv->win[win_id];
2350
2351         switch (cmd) {
2352         case RK_FBIOSET_HWC_ADDR:
2353         {
2354                 u32 hwc_phy[1];
2355                 if (copy_from_user(hwc_phy, argp, 4))
2356                         return -EFAULT;
2357 #ifdef CONFIG_ROCKCHIP_IOMMU
2358                 if (!dev_drv->iommu_enabled) {
2359 #endif
2360                         fix->smem_start = hwc_phy[0];
2361 #ifdef CONFIG_ROCKCHIP_IOMMU
2362                 } else {
2363                         int usr_fd;
2364                         struct ion_handle *hdl;
2365                         ion_phys_addr_t phy_addr;
2366                         size_t len;
2367
2368                         usr_fd = hwc_phy[0];
2369                         if (!usr_fd) {
2370                                 fix->smem_start = 0;
2371                                 fix->mmio_start = 0;
2372                                 dev_drv->ops->open(dev_drv, win_id, 0);
2373                                 break;
2374                         }
2375
2376                         if (ion_hwc[0] != 0) {
2377                                 ion_free(rk_fb->ion_client, ion_hwc[0]);
2378                                 ion_hwc[0] = 0;
2379                         }
2380
2381                         hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2382                         if (IS_ERR(hdl)) {
2383                                 dev_err(info->dev, "failed to get hwc ion handle:%ld\n",
2384                                         PTR_ERR(hdl));
2385                                 return -EFAULT;
2386                         }
2387
2388                         ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2389                                                 (unsigned long *)&phy_addr,
2390                                                 (unsigned long *)&len);
2391                         if (ret < 0) {
2392                                 dev_err(info->dev, "ion map to get hwc phy addr failed");
2393                                 ion_free(rk_fb->ion_client, hdl);
2394                                 return -ENOMEM;
2395                         }
2396                         fix->smem_start = phy_addr;
2397                         ion_hwc[0] = hdl;
2398                 }
2399 #endif
2400                 break;
2401         }
2402         case RK_FBIOSET_YUV_ADDR:
2403                 {
2404                         u32 yuv_phy[2];
2405
2406                         if (copy_from_user(yuv_phy, argp, 8))
2407                                 return -EFAULT;
2408                         #ifdef CONFIG_ROCKCHIP_IOMMU
2409                         if (!dev_drv->iommu_enabled || !strcmp(info->fix.id, "fb0")) {
2410                         #endif
2411                                 fix->smem_start = yuv_phy[0];
2412                                 fix->mmio_start = yuv_phy[1];
2413                         #ifdef CONFIG_ROCKCHIP_IOMMU
2414                         } else {
2415                                 int usr_fd, offset, tmp;
2416                                 struct ion_handle *hdl;
2417                                 ion_phys_addr_t phy_addr;
2418                                 size_t len;
2419
2420                                 usr_fd = yuv_phy[0];
2421                                 offset = yuv_phy[1] - yuv_phy[0];
2422                                 if (!usr_fd) {
2423                                         fix->smem_start = 0;
2424                                         fix->mmio_start = 0;
2425                                         break;
2426                                 }
2427
2428                                 if (ion_hanle[ION_MAX - 1] != 0) {
2429                                         /*ion_unmap_kernel(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);*/
2430                                         /*ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client, ion_hanle[ION_MAX - 1]);*/
2431                                         ion_free(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);
2432                                         ion_hanle[ION_MAX - 1] = 0;
2433                                 }
2434
2435                                 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2436                                 if (IS_ERR(hdl)) {
2437                                         dev_err(info->dev, "failed to get ion handle:%ld\n",
2438                                                 PTR_ERR(hdl));
2439                                         return -EFAULT;
2440                                 }
2441
2442                                 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2443                                                         (unsigned long *)&phy_addr,
2444                                                         (unsigned long *)&len);
2445                                 if (ret < 0) {
2446                                         dev_err(info->dev, "ion map to get phy addr failed");
2447                                         ion_free(rk_fb->ion_client, hdl);
2448                                         return -ENOMEM;
2449                                 }
2450                                 fix->smem_start = phy_addr;
2451                                 fix->mmio_start = phy_addr + offset;
2452                                 fix->smem_len = len;
2453                                 /*info->screen_base = ion_map_kernel(rk_fb->ion_client, hdl);*/
2454
2455                                 ion_hanle[0] = hdl;
2456                                 for (tmp = ION_MAX - 1; tmp > 0; tmp--)
2457                                         ion_hanle[tmp] = ion_hanle[tmp - 1];
2458                                 ion_hanle[0] = 0;
2459                         }
2460                         #endif
2461                         break;
2462                 }
2463         case RK_FBIOSET_ENABLE:
2464                 if (copy_from_user(&enable, argp, sizeof(enable)))
2465                         return -EFAULT;
2466                                 if (enable)
2467                                         fb_par->state++;
2468                                 else
2469                                         fb_par->state--;
2470                 dev_drv->ops->open(dev_drv, win_id, enable);
2471                 break;
2472         case RK_FBIOGET_ENABLE:
2473                 enable = dev_drv->ops->get_win_state(dev_drv, win_id);
2474                 if (copy_to_user(argp, &enable, sizeof(enable)))
2475                         return -EFAULT;
2476                 break;
2477         case RK_FBIOSET_OVERLAY_STA:
2478                 if (copy_from_user(&ovl, argp, sizeof(ovl)))
2479                         return -EFAULT;
2480                 dev_drv->ops->ovl_mgr(dev_drv, ovl, 1);
2481                 break;
2482         case RK_FBIOGET_OVERLAY_STA:
2483                 ovl = dev_drv->ops->ovl_mgr(dev_drv, 0, 0);
2484                 if (copy_to_user(argp, &ovl, sizeof(ovl)))
2485                         return -EFAULT;
2486                 break;
2487         case RK_FBIOPUT_NUM_BUFFERS:
2488                 if (copy_from_user(&num_buf, argp, sizeof(num_buf)))
2489                         return -EFAULT;
2490                 dev_drv->num_buf = num_buf;
2491                 break;
2492         case RK_FBIOSET_VSYNC_ENABLE:
2493                 if (copy_from_user(&enable, argp, sizeof(enable)))
2494                         return -EFAULT;
2495                 dev_drv->vsync_info.active = enable;
2496                 break;
2497
2498         case RK_FBIOGET_DSP_ADDR:
2499                 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
2500                 if (copy_to_user(argp, &dsp_addr, sizeof(dsp_addr)))
2501                         return -EFAULT;
2502                 break;
2503         case RK_FBIOGET_LIST_STA:
2504                 list_stat = rk_fb_get_list_stat(dev_drv);
2505                 if (copy_to_user(argp, &list_stat, sizeof(list_stat)))
2506                         return -EFAULT;
2507
2508                 break;
2509         case RK_FBIOGET_IOMMU_STA:
2510                 if (copy_to_user(argp, &dev_drv->iommu_enabled,
2511                                  sizeof(dev_drv->iommu_enabled)))
2512                         return -EFAULT;
2513                 break;
2514 #if defined(CONFIG_ION_ROCKCHIP)
2515         case RK_FBIOSET_DMABUF_FD:
2516                 {
2517                         int usr_fd;
2518                         struct ion_handle *hdl;
2519                         ion_phys_addr_t phy_addr;
2520                         size_t len;
2521                         if (copy_from_user(&usr_fd, argp, sizeof(usr_fd)))
2522                                 return -EFAULT;
2523                         hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2524                         ion_phys(rk_fb->ion_client, hdl, &phy_addr, &len);
2525                         fix->smem_start = phy_addr;
2526                         break;
2527                 }
2528         case RK_FBIOGET_DMABUF_FD:
2529                 {
2530                         int fd = -1;
2531
2532                         if (IS_ERR_OR_NULL(fb_par->ion_hdl)) {
2533                                 dev_err(info->dev,
2534                                         "get dma_buf fd failed,ion handle is err\n");
2535                                 return PTR_ERR(fb_par->ion_hdl);
2536                         }
2537                         fd = ion_share_dma_buf_fd(rk_fb->ion_client,
2538                                                   fb_par->ion_hdl);
2539                         if (fd < 0) {
2540                                 dev_err(info->dev,
2541                                         "ion_share_dma_buf_fd failed\n");
2542                                 return fd;
2543                         }
2544                         if (copy_to_user(argp, &fd, sizeof(fd)))
2545                                 return -EFAULT;
2546                         break;
2547                 }
2548 #endif
2549         case RK_FBIOSET_CLEAR_FB:
2550                 memset(fb_par->fb_virt_base, 0, fb_par->fb_size);
2551                 break;
2552         case RK_FBIOSET_CONFIG_DONE:
2553                 {
2554                         int curr = 0;
2555                         struct timespec now;
2556
2557                         getnstimeofday(&now);
2558                         curr = now.tv_sec * 1000000 + now.tv_nsec / 1000;
2559                         cfgdone_distlist[cfgdone_index++] =
2560                             curr - cfgdone_lasttime;
2561                         /*
2562                            printk("%d ", curr - cfgdone_lasttime);
2563                          */
2564                         cfgdone_lasttime = curr;
2565                         if (cfgdone_index >= 10)
2566                                 cfgdone_index = 0;
2567                 }
2568                 if (copy_from_user(&win_data,
2569                                    (struct rk_fb_win_cfg_data __user *)argp,
2570                                    sizeof(win_data))) {
2571                         ret = -EFAULT;
2572                         break;
2573                 };
2574
2575                 dev_drv->wait_fs = win_data.wait_fs;
2576                 rk_fb_set_win_config(info, &win_data);
2577
2578                 if (copy_to_user((struct rk_fb_win_cfg_data __user *)arg,
2579                                  &win_data, sizeof(win_data))) {
2580                         ret = -EFAULT;
2581                         break;
2582                 }
2583                 memset(&win_data, 0, sizeof(struct rk_fb_win_cfg_data));
2584                 break;
2585         default:
2586                 dev_drv->ops->ioctl(dev_drv, cmd, arg, win_id);
2587                 break;
2588         }
2589
2590         return 0;
2591 }
2592
2593 static int rk_fb_blank(int blank_mode, struct fb_info *info)
2594 {
2595         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2596         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2597         struct fb_fix_screeninfo *fix = &info->fix;
2598         int win_id;
2599 #if defined(CONFIG_RK_HDMI)
2600         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2601 #endif
2602
2603         win_id = dev_drv->ops->fb_get_win_id(dev_drv, fix->id);
2604         if (win_id < 0)
2605                 return -ENODEV;
2606 #if defined(CONFIG_RK_HDMI)
2607         if ((rk_fb->disp_mode == ONE_DUAL) &&
2608             (hdmi_get_hotplug() == HDMI_HPD_ACTIVED)) {
2609                 printk(KERN_INFO "hdmi is connect , not blank lcdc\n");
2610         } else
2611 #endif
2612         {
2613                 dev_drv->ops->blank(dev_drv, win_id, blank_mode);
2614         }
2615         return 0;
2616 }
2617
2618 static int rk_fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
2619 {
2620         if ((0 == var->xres_virtual) || (0 == var->yres_virtual) ||
2621             (0 == var->xres) || (0 == var->yres) || (var->xres < 16) ||
2622             ((16 != var->bits_per_pixel) &&
2623             (32 != var->bits_per_pixel) &&
2624             (24 != var->bits_per_pixel))) {
2625                 dev_err(info->dev, "%s check var fail 1:\n"
2626                         "xres_vir:%d>>yres_vir:%d\n"
2627                         "xres:%d>>yres:%d\n"
2628                         "bits_per_pixel:%d\n",
2629                         info->fix.id,
2630                         var->xres_virtual,
2631                         var->yres_virtual,
2632                         var->xres, var->yres, var->bits_per_pixel);
2633                 return -EINVAL;
2634         }
2635
2636         if (((var->xoffset + var->xres) > var->xres_virtual) ||
2637             ((var->yoffset + var->yres) > (var->yres_virtual))) {
2638                 dev_err(info->dev, "%s check_var fail 2:\n"
2639                         "xoffset:%d>>xres:%d>>xres_vir:%d\n"
2640                         "yoffset:%d>>yres:%d>>yres_vir:%d\n",
2641                         info->fix.id,
2642                         var->xoffset,
2643                         var->xres,
2644                         var->xres_virtual,
2645                         var->yoffset, var->yres, var->yres_virtual);
2646                 return -EINVAL;
2647         }
2648
2649         return 0;
2650 }
2651
2652 static ssize_t rk_fb_read(struct fb_info *info, char __user *buf,
2653                           size_t count, loff_t *ppos)
2654 {
2655         unsigned long p = *ppos;
2656         u8 *buffer, *dst;
2657         u8 __iomem *src;
2658         int c, cnt = 0, err = 0;
2659         unsigned long total_size;
2660         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2661         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2662         struct rk_lcdc_win *win = NULL;
2663         int win_id = 0;
2664
2665         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2666         if (win_id < 0)
2667                 return -ENODEV;
2668         else
2669                 win = dev_drv->win[win_id];
2670
2671         /* only read the current frame buffer */
2672         if (win->area[0].format == RGB565) {
2673                 total_size = win->area[0].y_vir_stride * win->area[0].yact << 1;
2674         } else if ((win->area[0].format == YUV420) ||
2675                    (win->area[0].format == YUV420_NV21)) {
2676                 total_size =
2677                     (win->area[0].y_vir_stride * win->area[0].yact * 6);
2678         } else {
2679                 total_size = win->area[0].y_vir_stride * win->area[0].yact << 2;
2680         }
2681         if (p >= total_size)
2682                 return 0;
2683
2684         if (count >= total_size)
2685                 count = total_size;
2686
2687         if (count + p > total_size)
2688                 count = total_size - p;
2689
2690         buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
2691         if (!buffer)
2692                 return -ENOMEM;
2693
2694         src = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
2695
2696         while (count) {
2697                 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
2698                 dst = buffer;
2699                 fb_memcpy_fromfb(dst, src, c);
2700                 dst += c;
2701                 src += c;
2702
2703                 if (copy_to_user(buf, buffer, c)) {
2704                         err = -EFAULT;
2705                         break;
2706                 }
2707                 *ppos += c;
2708                 buf += c;
2709                 cnt += c;
2710                 count -= c;
2711         }
2712
2713         kfree(buffer);
2714
2715         return (err) ? err : cnt;
2716 }
2717
2718 static ssize_t rk_fb_write(struct fb_info *info, const char __user *buf,
2719                            size_t count, loff_t *ppos)
2720 {
2721         unsigned long p = *ppos;
2722         u8 *buffer, *src;
2723         u8 __iomem *dst;
2724         int c, cnt = 0, err = 0;
2725         unsigned long total_size;
2726         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2727         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2728         struct rk_lcdc_win *win = NULL;
2729         int win_id = 0;
2730
2731         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2732         if (win_id < 0)
2733                 return -ENODEV;
2734         else
2735                 win = dev_drv->win[win_id];
2736
2737         /* write the current frame buffer */
2738         if (win->area[0].format == RGB565)
2739                 total_size = win->area[0].xact * win->area[0].yact << 1;
2740         else
2741                 total_size = win->area[0].xact * win->area[0].yact << 2;
2742
2743         if (p > total_size)
2744                 return -EFBIG;
2745
2746         if (count > total_size) {
2747                 err = -EFBIG;
2748                 count = total_size;
2749         }
2750
2751         if (count + p > total_size) {
2752                 if (!err)
2753                         err = -ENOSPC;
2754
2755                 count = total_size - p;
2756         }
2757
2758         buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
2759         if (!buffer)
2760                 return -ENOMEM;
2761
2762         dst = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
2763
2764         while (count) {
2765                 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
2766                 src = buffer;
2767
2768                 if (copy_from_user(src, buf, c)) {
2769                         err = -EFAULT;
2770                         break;
2771                 }
2772
2773                 fb_memcpy_tofb(dst, src, c);
2774                 dst += c;
2775                 src += c;
2776                 *ppos += c;
2777                 buf += c;
2778                 cnt += c;
2779                 count -= c;
2780         }
2781
2782         kfree(buffer);
2783
2784         return (cnt) ? cnt : err;
2785 }
2786
2787 static int rk_fb_set_par(struct fb_info *info)
2788 {
2789         struct fb_var_screeninfo *var = &info->var;
2790         struct fb_fix_screeninfo *fix = &info->fix;
2791         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2792         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2793         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2794         struct rk_lcdc_win *win = NULL;
2795         struct rk_screen *screen = dev_drv->cur_screen;
2796         int win_id = 0;
2797         u32 cblen = 0, crlen = 0;
2798         u16 xsize = 0, ysize = 0;       /* winx display window height/width --->LCDC_WINx_DSP_INFO */
2799         u32 xoffset = var->xoffset;     /* offset from virtual to visible */
2800         u32 yoffset = var->yoffset;
2801         u16 xpos = (var->nonstd >> 8) & 0xfff;  /*visiable pos in panel */
2802         u16 ypos = (var->nonstd >> 20) & 0xfff;
2803         u32 xvir = var->xres_virtual;
2804         u32 yvir = var->yres_virtual;
2805         u8 data_format = var->nonstd & 0xff;
2806         u8 fb_data_fmt;
2807         u8 pixel_width;
2808         u32 vir_width_bit;
2809         u32 stride, uv_stride;
2810         u32 stride_32bit_1;
2811         u32 stride_32bit_2;
2812         u16 uv_x_off, uv_y_off, uv_y_act;
2813         u8 is_pic_yuv = 0;
2814         /*var->pixclock = dev_drv->pixclock;*/
2815         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2816         if (win_id < 0)
2817                 return -ENODEV;
2818         else
2819                 win = dev_drv->win[win_id];
2820
2821         /* if the application has specific the horizontal and vertical display size */
2822         if (var->grayscale >> 8) {
2823                 xsize = (var->grayscale >> 8) & 0xfff;
2824                 ysize = (var->grayscale >> 20) & 0xfff;
2825                 if (xsize > screen->mode.xres)
2826                         xsize = screen->mode.xres;
2827                 if (ysize > screen->mode.yres)
2828                         ysize = screen->mode.yres;
2829         } else {                /*ohterwise  full  screen display */
2830                 xsize = screen->mode.xres;
2831                 ysize = screen->mode.yres;
2832         }
2833
2834         fb_data_fmt = rk_fb_data_fmt(data_format, var->bits_per_pixel);
2835         if (fb_data_fmt >= FBDC_RGB_565) {
2836                 win->area[0].fbdc_en = 1;
2837                 win->area[0].fbdc_cor_en = 1;
2838         } else {
2839                 win->area[0].fbdc_en = 0;
2840                 win->area[0].fbdc_cor_en = 0;
2841         }
2842         pixel_width = rk_fb_pixel_width(fb_data_fmt);
2843         vir_width_bit = pixel_width * xvir;
2844         /* pixel_width = byte_num * 8 */
2845         stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
2846         stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
2847
2848         switch (fb_data_fmt) {
2849         case YUV422:
2850         case YUV422_A:
2851                 is_pic_yuv = 1;
2852                 stride = stride_32bit_1;
2853                 uv_stride = stride_32bit_1 >> 1;
2854                 uv_x_off = xoffset >> 1;
2855                 uv_y_off = yoffset;
2856                 fix->line_length = stride;
2857                 cblen = crlen = (xvir * yvir) >> 1;
2858                 uv_y_act = win->area[0].yact >> 1;
2859                 break;
2860         case YUV420:            /* nv12 */
2861         case YUV420_NV21:       /* nv21 */
2862         case YUV420_A:
2863                 is_pic_yuv = 1;
2864                 stride = stride_32bit_1;
2865                 uv_stride = stride_32bit_1;
2866                 uv_x_off = xoffset;
2867                 uv_y_off = yoffset >> 1;
2868                 fix->line_length = stride;
2869                 cblen = crlen = (xvir * yvir) >> 2;
2870                 uv_y_act = win->area[0].yact >> 1;
2871                 break;
2872         case YUV444:
2873         case YUV444_A:
2874                 is_pic_yuv = 1;
2875                 stride = stride_32bit_1;
2876                 uv_stride = stride_32bit_2;
2877                 uv_x_off = xoffset * 2;
2878                 uv_y_off = yoffset;
2879                 fix->line_length = stride << 2;
2880                 cblen = crlen = (xvir * yvir);
2881                 uv_y_act = win->area[0].yact;
2882                 break;
2883         default:
2884                 stride = stride_32bit_1;        /* default rgb */
2885                 fix->line_length = stride;
2886                 break;
2887         }
2888
2889         win->area[0].format = fb_data_fmt;
2890         win->area[0].y_vir_stride = stride >> 2;
2891         win->area[0].uv_vir_stride = uv_stride >> 2;
2892         win->area[0].xpos = xpos;
2893         win->area[0].ypos = ypos;
2894         win->area[0].xsize = xsize;
2895         win->area[0].ysize = ysize;
2896         win->area[0].xact = var->xres;  /* winx active window height,is a wint of vir */
2897         win->area[0].yact = var->yres;
2898         win->area[0].xvir = var->xres_virtual;  /* virtual resolution  stride --->LCDC_WINx_VIR */
2899         win->area[0].yvir = var->yres_virtual;
2900         win->area[0].xoff = xoffset;
2901         win->area[0].yoff = yoffset;
2902
2903         win->area_num = 1;
2904         win->alpha_mode = 4;    /* AB_SRC_OVER; */
2905         win->alpha_en = ((win->area[0].format == ARGB888) ||
2906                          (win->area[0].format == FBDC_ARGB_888) ||
2907                          (win->area[0].format == FBDC_ABGR_888) ||
2908                          (win->area[0].format == ABGR888)) ? 1 : 0;
2909         win->g_alpha_val = 0;
2910
2911         if (rk_fb->disp_policy == DISPLAY_POLICY_BOX &&
2912             (win->area[0].format == YUV420 ||
2913              win->area[0].format == YUV420_NV21 ||
2914              win->area[0].format == YUV420_A))
2915                 win->state = 1;
2916
2917         dev_drv->ops->set_par(dev_drv, win_id);
2918
2919         return 0;
2920 }
2921
2922 static inline unsigned int chan_to_field(unsigned int chan,
2923                                          struct fb_bitfield *bf)
2924 {
2925         chan &= 0xffff;
2926         chan >>= 16 - bf->length;
2927         return chan << bf->offset;
2928 }
2929
2930 static int fb_setcolreg(unsigned regno,
2931                         unsigned red, unsigned green, unsigned blue,
2932                         unsigned transp, struct fb_info *info)
2933 {
2934         unsigned int val;
2935
2936         switch (info->fix.visual) {
2937         case FB_VISUAL_TRUECOLOR:
2938                 /* true-colour, use pseudo-palette */
2939                 if (regno < 16) {
2940                         u32 *pal = info->pseudo_palette;
2941                         val = chan_to_field(red, &info->var.red);
2942                         val |= chan_to_field(green, &info->var.green);
2943                         val |= chan_to_field(blue, &info->var.blue);
2944                         pal[regno] = val;
2945                 }
2946                 break;
2947         default:
2948                 return -1;      /* unknown type */
2949         }
2950
2951         return 0;
2952 }
2953
2954 static int rk_fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
2955 {
2956         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
2957         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2958         struct ion_handle *handle = fb_par->ion_hdl;
2959         struct dma_buf *dma_buf = NULL;
2960
2961         if (IS_ERR_OR_NULL(handle)) {
2962                 dev_err(info->dev, "failed to get ion handle:%ld\n",
2963                         PTR_ERR(handle));
2964                 return -ENOMEM;
2965         }
2966         dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
2967         if (IS_ERR_OR_NULL(dma_buf)) {
2968                 printk("get ion share dma buf failed\n");
2969                 return -ENOMEM;
2970         }
2971
2972         vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
2973
2974         return dma_buf_mmap(dma_buf, vma, 0);
2975 }
2976
2977 static struct fb_ops fb_ops = {
2978         .owner = THIS_MODULE,
2979         .fb_open = rk_fb_open,
2980         .fb_release = rk_fb_close,
2981         .fb_check_var = rk_fb_check_var,
2982         .fb_set_par = rk_fb_set_par,
2983         .fb_blank = rk_fb_blank,
2984         .fb_ioctl = rk_fb_ioctl,
2985         .fb_compat_ioctl = rk_fb_ioctl,
2986         .fb_pan_display = rk_fb_pan_display,
2987         .fb_read = rk_fb_read,
2988         .fb_write = rk_fb_write,
2989         .fb_setcolreg = fb_setcolreg,
2990         .fb_fillrect = cfb_fillrect,
2991         .fb_copyarea = cfb_copyarea,
2992         .fb_imageblit = cfb_imageblit,
2993 };
2994
2995 static struct fb_var_screeninfo def_var = {
2996 #if defined(CONFIG_LOGO_LINUX_BMP)
2997         .red = {16, 8, 0},
2998         .green = {8, 8, 0},
2999         .blue = {0, 8, 0},
3000         .transp = {0, 0, 0},
3001         .nonstd = HAL_PIXEL_FORMAT_BGRA_8888,
3002 #else
3003         .red = {11, 5, 0},
3004         .green = {5, 6, 0},
3005         .blue = {0, 5, 0},
3006         .transp = {0, 0, 0},
3007         .nonstd = HAL_PIXEL_FORMAT_RGB_565,     /* (ypos<<20+xpos<<8+format) format */
3008 #endif
3009         .grayscale = 0,         /* (ysize<<20+xsize<<8) */
3010         .activate = FB_ACTIVATE_NOW,
3011         .accel_flags = 0,
3012         .vmode = FB_VMODE_NONINTERLACED,
3013 };
3014
3015 static struct fb_fix_screeninfo def_fix = {
3016         .type = FB_TYPE_PACKED_PIXELS,
3017         .type_aux = 0,
3018         .xpanstep = 1,
3019         .ypanstep = 1,
3020         .ywrapstep = 0,
3021         .accel = FB_ACCEL_NONE,
3022         .visual = FB_VISUAL_TRUECOLOR,
3023
3024 };
3025
3026 static int rk_fb_wait_for_vsync_thread(void *data)
3027 {
3028         struct rk_lcdc_driver *dev_drv = data;
3029         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3030         struct fb_info *fbi = rk_fb->fb[0];
3031
3032         while (!kthread_should_stop()) {
3033                 ktime_t timestamp = dev_drv->vsync_info.timestamp;
3034                 int ret = wait_event_interruptible(dev_drv->vsync_info.wait,
3035                                 !ktime_equal(timestamp, dev_drv->vsync_info.timestamp) &&
3036                                 (dev_drv->vsync_info.active || dev_drv->vsync_info.irq_stop));
3037
3038                 if (!ret)
3039                         sysfs_notify(&fbi->dev->kobj, NULL, "vsync");
3040         }
3041
3042         return 0;
3043 }
3044
3045 static ssize_t rk_fb_vsync_show(struct device *dev,
3046                                 struct device_attribute *attr, char *buf)
3047 {
3048         struct fb_info *fbi = dev_get_drvdata(dev);
3049         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3050         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3051         return scnprintf(buf, PAGE_SIZE, "%llu\n",
3052                          ktime_to_ns(dev_drv->vsync_info.timestamp));
3053 }
3054
3055 static DEVICE_ATTR(vsync, S_IRUGO, rk_fb_vsync_show, NULL);
3056
3057 /*
3058  * this two function is for other module that in the kernel which
3059  * need show image directly through fb
3060  * fb_id:we have 4 fb here,default we use fb0 for ui display
3061  */
3062 struct fb_info *rk_get_fb(int fb_id)
3063 {
3064         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3065         struct fb_info *fb = inf->fb[fb_id];
3066         return fb;
3067 }
3068 EXPORT_SYMBOL(rk_get_fb);
3069
3070 void rk_direct_fb_show(struct fb_info *fbi)
3071 {
3072         rk_fb_set_par(fbi);
3073         rk_fb_pan_display(&fbi->var, fbi);
3074 }
3075 EXPORT_SYMBOL(rk_direct_fb_show);
3076
3077 int rk_fb_dpi_open(bool open)
3078 {
3079         struct rk_lcdc_driver *dev_drv = NULL;
3080         dev_drv = rk_get_prmry_lcdc_drv();
3081
3082         if (dev_drv->ops->dpi_open)
3083                 dev_drv->ops->dpi_open(dev_drv, open);
3084         return 0;
3085 }
3086
3087 int rk_fb_dpi_win_sel(int win_id)
3088 {
3089         struct rk_lcdc_driver *dev_drv = NULL;
3090         dev_drv = rk_get_prmry_lcdc_drv();
3091
3092         if (dev_drv->ops->dpi_win_sel)
3093                 dev_drv->ops->dpi_win_sel(dev_drv, win_id);
3094         return 0;
3095 }
3096
3097 int rk_fb_dpi_status(void)
3098 {
3099         int ret = 0;
3100         struct rk_lcdc_driver *dev_drv = NULL;
3101
3102         dev_drv = rk_get_prmry_lcdc_drv();
3103         if (dev_drv->ops->dpi_status)
3104                 ret = dev_drv->ops->dpi_status(dev_drv);
3105
3106         return ret;
3107 }
3108
3109 /*
3110  * function: this function will be called by display device, enable/disable lcdc
3111  * @screen: screen timing to be set to lcdc
3112  * @enable: 0 disable lcdc; 1 enable change lcdc timing; 2 just enable dclk
3113  * @lcdc_id: the lcdc id the display device attached ,0 or 1
3114  */
3115 int rk_fb_switch_screen(struct rk_screen *screen, int enable, int lcdc_id)
3116 {
3117         struct rk_fb *rk_fb =  platform_get_drvdata(fb_pdev);
3118         struct fb_info *info = NULL;
3119         struct rk_fb_par *fb_par = NULL;
3120         struct rk_lcdc_driver *dev_drv = NULL;
3121         char name[6] = {0};
3122         int i, win_id, load_screen = 0;
3123
3124         if (unlikely(!rk_fb) || unlikely(!screen))
3125                 return -ENODEV;
3126
3127         hdmi_switch_complete = 0;
3128         /* get lcdc driver */
3129         sprintf(name, "lcdc%d", lcdc_id);
3130         if (rk_fb->disp_mode != DUAL)
3131                 dev_drv = rk_fb->lcdc_dev_drv[0];
3132         else
3133                 dev_drv = rk_get_lcdc_drv(name);
3134
3135         if (dev_drv == NULL) {
3136                 printk(KERN_ERR "%s driver not found!", name);
3137                 return -ENODEV;
3138         }
3139         if (screen->type == SCREEN_HDMI)
3140                 printk("hdmi %s lcdc%d\n", enable ? "connect to" : "remove from",
3141                         dev_drv->id);
3142         else if (screen->type == SCREEN_TVOUT ||
3143                      screen->type == SCREEN_TVOUT_TEST )
3144                 printk("cvbs %s lcdc%d\n", enable ? "connect to" : "remove from",
3145                         dev_drv->id);
3146         if (enable == 2 /*&& dev_drv->enable*/)
3147                 return 0;
3148
3149         if ((rk_fb->disp_mode == ONE_DUAL) ||
3150             (rk_fb->disp_mode == NO_DUAL)) {
3151                 if ((dev_drv->ops->backlight_close) &&
3152                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX))
3153                         dev_drv->ops->backlight_close(dev_drv, 1);
3154                 if (dev_drv->ops->dsp_black)
3155                         dev_drv->ops->dsp_black(dev_drv, 1);
3156                 if ((dev_drv->ops->set_screen_scaler) &&
3157                     (rk_fb->disp_mode == ONE_DUAL))
3158                         dev_drv->ops->set_screen_scaler(dev_drv,
3159                                                         dev_drv->screen0, 0);
3160         }
3161         if (dev_drv->uboot_logo && (screen->type != dev_drv->cur_screen->type))
3162                dev_drv->uboot_logo = 0;
3163         if (!enable) {
3164                 /* if screen type is different, we do not disable lcdc. */
3165                 if (dev_drv->cur_screen->type != screen->type)
3166                         return 0;
3167
3168                 /* if used one lcdc to dual disp, no need to close win */
3169                 if ((rk_fb->disp_mode == ONE_DUAL) ||
3170                     ((rk_fb->disp_mode == NO_DUAL) &&
3171                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX))) {
3172                         dev_drv->cur_screen = dev_drv->screen0;
3173                         dev_drv->ops->load_screen(dev_drv, 1);
3174
3175                         /* force modify dsp size */
3176                         info = rk_fb->fb[dev_drv->fb_index_base];
3177                         info->var.grayscale &= 0xff;
3178                         info->var.grayscale |=
3179                                 (dev_drv->cur_screen->mode.xres << 8) +
3180                                 (dev_drv->cur_screen->mode.yres << 20);
3181                         mutex_lock(&dev_drv->win_config);
3182                         info->fbops->fb_set_par(info);
3183                         info->fbops->fb_pan_display(&info->var, info);
3184                         mutex_unlock(&dev_drv->win_config);
3185
3186                         if (dev_drv->ops->dsp_black)
3187                                 dev_drv->ops->dsp_black(dev_drv, 0);
3188                         if ((dev_drv->ops->backlight_close) &&
3189                             (rk_fb->disp_policy != DISPLAY_POLICY_BOX))
3190                                 dev_drv->ops->backlight_close(dev_drv, 0);
3191                 } else if (rk_fb->num_lcdc > 1) {
3192                         /* If there is more than one lcdc device, we disable
3193                            the layer which attached to this device */
3194                         dev_drv->suspend_flag = 1;
3195                         flush_kthread_worker(&dev_drv->update_regs_worker);
3196                         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3197                                 if (dev_drv->win[i] && dev_drv->win[i]->state)
3198                                         dev_drv->ops->open(dev_drv, i, 0);
3199                         }
3200                 }
3201
3202                 hdmi_switch_complete = 0;
3203                 return 0;
3204         } else {
3205                 if (dev_drv->screen1)
3206                         dev_drv->cur_screen = dev_drv->screen1;
3207
3208                 memcpy(dev_drv->cur_screen, screen, sizeof(struct rk_screen));
3209                 dev_drv->cur_screen->xsize = dev_drv->cur_screen->mode.xres;
3210                 dev_drv->cur_screen->ysize = dev_drv->cur_screen->mode.yres;
3211                 dev_drv->cur_screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3212                 dev_drv->cur_screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3213         }
3214         if ((!dev_drv->uboot_logo) ||
3215             (rk_fb->disp_policy != DISPLAY_POLICY_BOX)) {
3216                 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3217                         info = rk_fb->fb[dev_drv->fb_index_base + i];
3218                         fb_par = (struct rk_fb_par *)info->par;
3219                         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3220                         if (dev_drv->win[win_id]) {
3221                                 if (fb_par->state) {
3222                                         if (!dev_drv->win[win_id]->state) {
3223                                                 dev_drv->ops->open(dev_drv, win_id, 1);
3224                                                 dev_drv->suspend_flag = 0;
3225                                         }
3226                                         if (!load_screen) {
3227                                                 dev_drv->ops->load_screen(dev_drv, 1);
3228                                                 load_screen = 1;
3229                                         }
3230                                         info->var.activate |= FB_ACTIVATE_FORCE;
3231                                         if (rk_fb->disp_mode == ONE_DUAL) {
3232                                                 info->var.grayscale &= 0xff;
3233                                                 info->var.grayscale |=
3234                                                         (dev_drv->cur_screen->xsize << 8) +
3235                                                         (dev_drv->cur_screen->ysize << 20);
3236                                         }
3237
3238                                         mutex_lock(&dev_drv->win_config);
3239                                         info->fbops->fb_set_par(info);
3240                                         info->fbops->fb_pan_display(&info->var, info);
3241                                         mutex_unlock(&dev_drv->win_config);
3242                                 }
3243                         }
3244                 }
3245         }else {
3246                 dev_drv->uboot_logo = 0;
3247         }
3248         hdmi_switch_complete = 1;
3249         if ((rk_fb->disp_mode == ONE_DUAL) || (rk_fb->disp_mode == NO_DUAL)) {
3250                 if ((dev_drv->ops->set_screen_scaler) &&
3251                     (rk_fb->disp_mode == ONE_DUAL))
3252                         dev_drv->ops->set_screen_scaler(dev_drv, dev_drv->screen0, 1);
3253                 if (dev_drv->ops->dsp_black)
3254                         dev_drv->ops->dsp_black(dev_drv, 0);
3255                 if ((dev_drv->ops->backlight_close) &&
3256                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
3257                     (rk_fb->disp_mode == ONE_DUAL))
3258                         dev_drv->ops->backlight_close(dev_drv, 0);
3259         }
3260         return 0;
3261 }
3262
3263 /*
3264  * function:this function current only called by hdmi for
3265  *      scale the display
3266  * scale_x: scale rate of x resolution
3267  * scale_y: scale rate of y resolution
3268  * lcdc_id: the lcdc id the hdmi attached ,0 or 1
3269  */
3270 int rk_fb_disp_scale(u8 scale_x, u8 scale_y, u8 lcdc_id)
3271 {
3272         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3273         struct fb_info *info = NULL;
3274         struct fb_info *pmy_info = NULL;
3275         struct fb_var_screeninfo *var = NULL;
3276         struct rk_lcdc_driver *dev_drv = NULL;
3277         u16 screen_x, screen_y;
3278         u16 xpos, ypos;
3279         char name[6];
3280         struct rk_screen primary_screen;
3281         rk_fb_get_prmry_screen(&primary_screen);
3282         if (primary_screen.type == SCREEN_HDMI) {
3283                 return 0;
3284         }
3285
3286         sprintf(name, "lcdc%d", lcdc_id);
3287
3288         if (inf->disp_mode == DUAL) {
3289                 dev_drv = rk_get_lcdc_drv(name);
3290                 if (dev_drv == NULL) {
3291                         printk(KERN_ERR "%s driver not found!", name);
3292                         return -ENODEV;
3293                 }
3294         } else {
3295                 dev_drv = inf->lcdc_dev_drv[0];
3296         }
3297
3298         if (inf->num_lcdc == 1) {
3299                 info = inf->fb[0];
3300         } else if (inf->num_lcdc == 2) {
3301                 info = inf->fb[dev_drv->lcdc_win_num];
3302                 pmy_info = inf->fb[0];
3303         }
3304
3305         var = &info->var;
3306         screen_x = dev_drv->cur_screen->mode.xres;
3307         screen_y = dev_drv->cur_screen->mode.yres;
3308
3309         if (inf->disp_mode != DUAL && dev_drv->screen1) {
3310                 dev_drv->cur_screen->xpos =
3311                     (screen_x - screen_x * scale_x / 100) >> 1;
3312                 dev_drv->cur_screen->ypos =
3313                     (screen_y - screen_y * scale_y / 100) >> 1;
3314                 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3315                 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3316         } else {
3317                 xpos = (screen_x - screen_x * scale_x / 100) >> 1;
3318                 ypos = (screen_y - screen_y * scale_y / 100) >> 1;
3319                 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3320                 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3321                 if (inf->disp_mode == ONE_DUAL) {
3322                         var->nonstd &= 0xff;
3323                         var->nonstd |= (xpos << 8) + (ypos << 20);
3324                         var->grayscale &= 0xff;
3325                         var->grayscale |=
3326                                 (dev_drv->cur_screen->xsize << 8) +
3327                                 (dev_drv->cur_screen->ysize << 20);
3328                 }
3329         }
3330
3331         mutex_lock(&dev_drv->win_config);
3332         info->fbops->fb_set_par(info);
3333         dev_drv->ops->cfg_done(dev_drv);
3334         mutex_unlock(&dev_drv->win_config);
3335
3336         return 0;
3337 }
3338
3339 #if defined(CONFIG_ION_ROCKCHIP)
3340 static int rk_fb_alloc_buffer_by_ion(struct fb_info *fbi,
3341                                      struct rk_lcdc_win *win,
3342                                      unsigned long fb_mem_size)
3343 {
3344         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3345         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3346         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3347         struct ion_handle *handle;
3348         ion_phys_addr_t phy_addr;
3349         size_t len;
3350         int ret = 0;
3351
3352         if (dev_drv->iommu_enabled)
3353                 handle = ion_alloc(rk_fb->ion_client, (size_t) fb_mem_size, 0,
3354                                    ION_HEAP(ION_VMALLOC_HEAP_ID), 0);
3355         else
3356                 handle = ion_alloc(rk_fb->ion_client, (size_t) fb_mem_size, 0,
3357                                    ION_HEAP(ION_CMA_HEAP_ID), 0);
3358         if (IS_ERR(handle)) {
3359                 dev_err(fbi->device, "failed to ion_alloc:%ld\n",
3360                         PTR_ERR(handle));
3361                 return -ENOMEM;
3362         }
3363
3364         fb_par->ion_hdl = handle;
3365         win->area[0].dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3366         if (IS_ERR_OR_NULL(win->area[0].dma_buf)) {
3367                 printk("ion_share_dma_buf() failed\n");
3368                 goto err_share_dma_buf;
3369         }
3370         win->area[0].ion_hdl = handle;
3371         if (dev_drv->prop == PRMRY)
3372                 fbi->screen_base = ion_map_kernel(rk_fb->ion_client, handle);
3373 #ifdef CONFIG_ROCKCHIP_IOMMU
3374         if (dev_drv->iommu_enabled && dev_drv->mmu_dev)
3375                 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, handle,
3376                                         (unsigned long *)&phy_addr,
3377                                         (unsigned long *)&len);
3378         else
3379                 ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3380 #else
3381         ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3382 #endif
3383         if (ret < 0) {
3384                 dev_err(fbi->dev, "ion map to get phy addr failed\n");
3385                 goto err_share_dma_buf;
3386         }
3387         fbi->fix.smem_start = phy_addr;
3388         fbi->fix.smem_len = len;
3389         printk(KERN_INFO "alloc_buffer:ion_phy_addr=0x%lx\n", phy_addr);
3390         return 0;
3391
3392 err_share_dma_buf:
3393         ion_free(rk_fb->ion_client, handle);
3394         return -ENOMEM;
3395 }
3396 #endif
3397
3398 static int rk_fb_alloc_buffer(struct fb_info *fbi)
3399 {
3400         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3401         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3402         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3403         struct rk_lcdc_win *win = NULL;
3404         int win_id;
3405         int ret = 0;
3406         unsigned long fb_mem_size;
3407 #if !defined(CONFIG_ION_ROCKCHIP)
3408         dma_addr_t fb_mem_phys;
3409         void *fb_mem_virt;
3410 #endif
3411
3412         win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
3413         if (win_id < 0)
3414                 return -ENODEV;
3415         else
3416                 win = dev_drv->win[win_id];
3417
3418         if (!strcmp(fbi->fix.id, "fb0")) {
3419                 fb_mem_size = get_fb_size(dev_drv->reserved_fb);
3420 #if defined(CONFIG_ION_ROCKCHIP)
3421                 if (rk_fb_alloc_buffer_by_ion(fbi, win, fb_mem_size) < 0)
3422                         return -ENOMEM;
3423 #else
3424                 fb_mem_virt = dma_alloc_writecombine(fbi->dev, fb_mem_size,
3425                                                      &fb_mem_phys, GFP_KERNEL);
3426                 if (!fb_mem_virt) {
3427                         pr_err("%s: Failed to allocate framebuffer\n",
3428                                __func__);
3429                         return -ENOMEM;
3430                 }
3431                 fbi->fix.smem_len = fb_mem_size;
3432                 fbi->fix.smem_start = fb_mem_phys;
3433                 fbi->screen_base = fb_mem_virt;
3434 #endif
3435                 memset(fbi->screen_base, 0, fbi->fix.smem_len);
3436         } else {
3437                 fbi->fix.smem_start = rk_fb->fb[0]->fix.smem_start;
3438                 fbi->fix.smem_len = rk_fb->fb[0]->fix.smem_len;
3439                 fbi->screen_base = rk_fb->fb[0]->screen_base;
3440         }
3441
3442         fbi->screen_size = fbi->fix.smem_len;
3443         fb_par->fb_phy_base = fbi->fix.smem_start;
3444         fb_par->fb_virt_base = fbi->screen_base;
3445         fb_par->fb_size = fbi->fix.smem_len;
3446
3447         pr_info("%s:phy:%lx>>vir:%p>>len:0x%x\n", fbi->fix.id,
3448                        fbi->fix.smem_start, fbi->screen_base,
3449                        fbi->fix.smem_len);
3450         return ret;
3451 }
3452
3453 #if 0
3454 static int rk_release_fb_buffer(struct fb_info *fbi)
3455 {
3456         /* buffer for fb1 and fb3 are alloc by android */
3457         if (!strcmp(fbi->fix.id, "fb1") || !strcmp(fbi->fix.id, "fb3"))
3458                 return 0;
3459         iounmap(fbi->screen_base);
3460         release_mem_region(fbi->fix.smem_start, fbi->fix.smem_len);
3461         return 0;
3462 }
3463 #endif
3464
3465 static int init_lcdc_win(struct rk_lcdc_driver *dev_drv,
3466                          struct rk_lcdc_win *def_win)
3467 {
3468         int i;
3469         int lcdc_win_num = dev_drv->lcdc_win_num;
3470
3471         for (i = 0; i < lcdc_win_num; i++) {
3472                 struct rk_lcdc_win *win = NULL;
3473                 win = kzalloc(sizeof(struct rk_lcdc_win), GFP_KERNEL);
3474                 if (!win) {
3475                         dev_err(dev_drv->dev, "kzmalloc for win fail!");
3476                         return -ENOMEM;
3477                 }
3478
3479                 strcpy(win->name, def_win[i].name);
3480                 win->id = def_win[i].id;
3481                 win->support_3d = def_win[i].support_3d;
3482                 dev_drv->win[i] = win;
3483         }
3484
3485         return 0;
3486 }
3487
3488 static int init_lcdc_device_driver(struct rk_fb *rk_fb,
3489                                    struct rk_lcdc_win *def_win, int index)
3490 {
3491         struct rk_lcdc_driver *dev_drv = rk_fb->lcdc_dev_drv[index];
3492         struct rk_screen *screen = devm_kzalloc(dev_drv->dev,
3493                                                 sizeof(struct rk_screen),
3494                                                 GFP_KERNEL);
3495
3496         if (!screen) {
3497                 dev_err(dev_drv->dev, "malloc screen for lcdc%d fail!",
3498                         dev_drv->id);
3499                 return -ENOMEM;
3500         }
3501
3502         screen->screen_id = 0;
3503         screen->lcdc_id = dev_drv->id;
3504         screen->overscan.left = 100;
3505         screen->overscan.top = 100;
3506         screen->overscan.right = 100;
3507         screen->overscan.bottom = 100;
3508
3509         screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3510         screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3511
3512         dev_drv->screen0 = screen;
3513         dev_drv->cur_screen = screen;
3514         /* devie use one lcdc + rk61x scaler for dual display */
3515         if ((rk_fb->disp_mode == ONE_DUAL) || (rk_fb->disp_mode == NO_DUAL)) {
3516                 struct rk_screen *screen1 =
3517                                 devm_kzalloc(dev_drv->dev,
3518                                              sizeof(struct rk_screen),
3519                                              GFP_KERNEL);
3520                 if (!screen1) {
3521                         dev_err(dev_drv->dev, "malloc screen1 for lcdc%d fail!",
3522                                 dev_drv->id);
3523                         return -ENOMEM;
3524                 }
3525                 screen1->screen_id = 1;
3526                 screen1->lcdc_id = 1;
3527                 dev_drv->screen1 = screen1;
3528         }
3529         sprintf(dev_drv->name, "lcdc%d", dev_drv->id);
3530         init_lcdc_win(dev_drv, def_win);
3531         init_completion(&dev_drv->frame_done);
3532         spin_lock_init(&dev_drv->cpl_lock);
3533         mutex_init(&dev_drv->fb_win_id_mutex);
3534         mutex_init(&dev_drv->win_config);
3535         mutex_init(&dev_drv->front_lock);
3536         dev_drv->ops->fb_win_remap(dev_drv, dev_drv->fb_win_map);
3537         dev_drv->first_frame = 1;
3538         dev_drv->overscan.left = 100;
3539         dev_drv->overscan.top = 100;
3540         dev_drv->overscan.right = 100;
3541         dev_drv->overscan.bottom = 100;
3542         rk_disp_pwr_ctr_parse_dt(dev_drv);
3543         if (dev_drv->prop == PRMRY) {
3544                 rk_fb_set_prmry_screen(screen);
3545                 rk_fb_get_prmry_screen(screen);
3546         }
3547         dev_drv->trsm_ops = rk_fb_trsm_ops_get(screen->type);
3548         if (dev_drv->prop != PRMRY)
3549                 rk_fb_get_prmry_screen(screen);
3550         dev_drv->output_color = screen->color_mode;
3551
3552         return 0;
3553 }
3554
3555 #ifdef CONFIG_LOGO_LINUX_BMP
3556 static struct linux_logo *bmp_logo;
3557 static int fb_prewine_bmp_logo(struct fb_info *info, int rotate)
3558 {
3559         bmp_logo = fb_find_logo(24);
3560         if (bmp_logo == NULL) {
3561                 printk(KERN_INFO "%s error\n", __func__);
3562                 return 0;
3563         }
3564         return 1;
3565 }
3566
3567 static void fb_show_bmp_logo(struct fb_info *info, int rotate)
3568 {
3569         unsigned char *src = bmp_logo->data;
3570         unsigned char *dst = info->screen_base;
3571         int i;
3572         unsigned int Needwidth = (*(src - 24) << 8) | (*(src - 23));
3573         unsigned int Needheight = (*(src - 22) << 8) | (*(src - 21));
3574
3575         for (i = 0; i < Needheight; i++)
3576                 memcpy(dst + info->var.xres * i * 4,
3577                        src + bmp_logo->width * i * 4, Needwidth * 4);
3578 }
3579 #endif
3580
3581 /*
3582  * check if the primary lcdc has registerd,
3583  * the primary lcdc mas register first
3584  */
3585 bool is_prmry_rk_lcdc_registered(void)
3586 {
3587         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3588
3589         if (rk_fb->lcdc_dev_drv[0])
3590                 return true;
3591         else
3592                 return false;
3593 }
3594
3595 int rk_fb_register(struct rk_lcdc_driver *dev_drv,
3596                    struct rk_lcdc_win *win, int id)
3597 {
3598         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3599         struct fb_info *fbi;
3600         struct rk_fb_par *fb_par = NULL;
3601         int i = 0, ret = 0, index = 0;
3602
3603         if (rk_fb->num_lcdc == RK30_MAX_LCDC_SUPPORT)
3604                 return -ENXIO;
3605
3606         for (i = 0; i < RK30_MAX_LCDC_SUPPORT; i++) {
3607                 if (!rk_fb->lcdc_dev_drv[i]) {
3608                         rk_fb->lcdc_dev_drv[i] = dev_drv;
3609                         rk_fb->lcdc_dev_drv[i]->id = id;
3610                         rk_fb->num_lcdc++;
3611                         break;
3612                 }
3613         }
3614
3615         index = i;
3616         init_lcdc_device_driver(rk_fb, win, index);
3617         dev_drv->fb_index_base = rk_fb->num_fb;
3618         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3619                 fbi = framebuffer_alloc(0, &fb_pdev->dev);
3620                 if (!fbi) {
3621                         dev_err(&fb_pdev->dev, "fb framebuffer_alloc fail!");
3622                         ret = -ENOMEM;
3623                 }
3624                 fb_par = devm_kzalloc(&fb_pdev->dev, sizeof(struct rk_fb_par),
3625                                       GFP_KERNEL);
3626                 if (!fb_par) {
3627                         dev_err(&fb_pdev->dev, "malloc fb_par for fb%d fail!",
3628                                 rk_fb->num_fb);
3629                         return -ENOMEM;
3630                 }
3631                 fb_par->id = rk_fb->num_fb;
3632                 fb_par->lcdc_drv = dev_drv;
3633                 fbi->par = (void *)fb_par;
3634                 fbi->var = def_var;
3635                 fbi->fix = def_fix;
3636                 sprintf(fbi->fix.id, "fb%d", rk_fb->num_fb);
3637                 fb_videomode_to_var(&fbi->var, &dev_drv->cur_screen->mode);
3638                 fbi->var.grayscale |=
3639                     (fbi->var.xres << 8) + (fbi->var.yres << 20);
3640 #if defined(CONFIG_LOGO_LINUX_BMP)
3641                 fbi->var.bits_per_pixel = 32;
3642 #else
3643                 fbi->var.bits_per_pixel = 16;
3644 #endif
3645                 fbi->fix.line_length =
3646                     (fbi->var.xres_virtual) * (fbi->var.bits_per_pixel >> 3);
3647                 fbi->var.width = dev_drv->cur_screen->width;
3648                 fbi->var.height = dev_drv->cur_screen->height;
3649                 if (dev_drv->iommu_enabled)
3650                         fb_ops.fb_mmap = rk_fb_mmap;
3651                 fbi->fbops = &fb_ops;
3652                 fbi->flags = FBINFO_FLAG_DEFAULT;
3653                 fbi->pseudo_palette = dev_drv->win[i]->pseudo_pal;
3654                 ret = register_framebuffer(fbi);
3655                 if (ret < 0) {
3656                         dev_err(&fb_pdev->dev,
3657                                 "%s fb%d register_framebuffer fail!\n",
3658                                 __func__, rk_fb->num_fb);
3659                         return ret;
3660                 }
3661                 rkfb_create_sysfs(fbi);
3662                 rk_fb->fb[rk_fb->num_fb] = fbi;
3663                 dev_info(fbi->dev, "rockchip framebuffer registerd:%s\n",
3664                          fbi->fix.id);
3665                 rk_fb->num_fb++;
3666
3667                 if (i == 0) {
3668                         init_waitqueue_head(&dev_drv->vsync_info.wait);
3669                         init_waitqueue_head(&dev_drv->update_regs_wait);
3670                         ret = device_create_file(fbi->dev, &dev_attr_vsync);
3671                         if (ret)
3672                                 dev_err(fbi->dev,
3673                                         "failed to create vsync file\n");
3674                         dev_drv->vsync_info.thread =
3675                             kthread_run(rk_fb_wait_for_vsync_thread, dev_drv,
3676                                         "fb-vsync");
3677                         if (dev_drv->vsync_info.thread == ERR_PTR(-ENOMEM)) {
3678                                 dev_err(fbi->dev,
3679                                         "failed to run vsync thread\n");
3680                                 dev_drv->vsync_info.thread = NULL;
3681                         }
3682                         dev_drv->vsync_info.active = 1;
3683
3684                         mutex_init(&dev_drv->output_lock);
3685
3686                         INIT_LIST_HEAD(&dev_drv->update_regs_list);
3687                         mutex_init(&dev_drv->update_regs_list_lock);
3688                         init_kthread_worker(&dev_drv->update_regs_worker);
3689
3690                         dev_drv->update_regs_thread =
3691                             kthread_run(kthread_worker_fn,
3692                                         &dev_drv->update_regs_worker, "rk-fb");
3693                         if (IS_ERR(dev_drv->update_regs_thread)) {
3694                                 int err = PTR_ERR(dev_drv->update_regs_thread);
3695                                 dev_drv->update_regs_thread = NULL;
3696
3697                                 printk("failed to run update_regs thread\n");
3698                                 return err;
3699                         }
3700                         init_kthread_work(&dev_drv->update_regs_work,
3701                                           rk_fb_update_regs_handler);
3702
3703                         dev_drv->timeline =
3704                             sw_sync_timeline_create("fb-timeline");
3705                         dev_drv->timeline_max = 1;
3706                 }
3707         }
3708
3709         /* show logo for primary display device */
3710 #if !defined(CONFIG_FRAMEBUFFER_CONSOLE)
3711         if (dev_drv->prop == PRMRY) {
3712                 u16 xact, yact;
3713                 int format;
3714                 u32 dsp_addr;
3715                 struct fb_info *main_fbi = rk_fb->fb[0];
3716                 main_fbi->fbops->fb_open(main_fbi, 1);
3717                 main_fbi->var.pixclock = dev_drv->pixclock;
3718 #if defined(CONFIG_ROCKCHIP_IOMMU)
3719                 if (dev_drv->iommu_enabled) {
3720                         if (dev_drv->mmu_dev)
3721                                 rockchip_iovmm_set_fault_handler(dev_drv->dev,
3722                                                 rk_fb_sysmmu_fault_handler);
3723                 }
3724 #endif
3725
3726                 rk_fb_alloc_buffer(main_fbi);   /* only alloc memory for main fb */
3727                 dev_drv->uboot_logo = support_uboot_display();
3728
3729                 if (dev_drv->uboot_logo &&
3730                     uboot_logo_offset && uboot_logo_base) {
3731                         int width, height, bits;
3732                         phys_addr_t start = uboot_logo_base + uboot_logo_offset;
3733                         unsigned int size = uboot_logo_size - uboot_logo_offset;
3734                         unsigned int nr_pages;
3735                         struct page **pages;
3736                         char *vaddr;
3737                         int i = 0;
3738
3739                         if (dev_drv->ops->get_dspbuf_info)
3740                                 dev_drv->ops->get_dspbuf_info(dev_drv, &xact,
3741                                         &yact, &format, &dsp_addr);
3742                         nr_pages = size >> PAGE_SHIFT;
3743                         pages = kzalloc(sizeof(struct page) * nr_pages,
3744                                         GFP_KERNEL);
3745                         while (i < nr_pages) {
3746                                 pages[i] = phys_to_page(start);
3747                                 start += PAGE_SIZE;
3748                                 i++;
3749                         }
3750                         vaddr = vmap(pages, nr_pages, VM_MAP,
3751                                         pgprot_writecombine(PAGE_KERNEL));
3752                         if (!vaddr) {
3753                                 pr_err("failed to vmap phy addr 0x%lx\n",
3754                                        (long)(uboot_logo_base +
3755                                        uboot_logo_offset));
3756                                 return -1;
3757                         }
3758
3759                         if(bmpdecoder(vaddr, main_fbi->screen_base, &width,
3760                                       &height, &bits)) {
3761                                 kfree(pages);
3762                                 vunmap(vaddr);
3763                                 return 0;
3764                         }
3765                         kfree(pages);
3766                         vunmap(vaddr);
3767                         if (dev_drv->uboot_logo &&
3768                             (width != xact || height != yact)) {
3769                                 pr_err("can't support uboot kernel logo use different size [%dx%d] != [%dx%d]\n",
3770                                         xact, yact, width, height);
3771                                 return 0;
3772                         }
3773
3774                         if (dev_drv->ops->post_dspbuf) {
3775                                 dev_drv->ops->post_dspbuf(dev_drv,
3776                                         main_fbi->fix.smem_start,
3777                                         rk_fb_data_fmt(0, bits),
3778                                         width, height, width * bits >> 5);
3779                         }
3780                         if (dev_drv->iommu_enabled) {
3781                                 rk_fb_poll_wait_frame_complete();
3782                                 if (dev_drv->ops->mmu_en)
3783                                         dev_drv->ops->mmu_en(dev_drv);
3784                                 freed_index = 0;
3785                         }
3786
3787                         return 0;
3788                 } else if (dev_drv->uboot_logo && uboot_logo_base) {
3789                         u32 start = uboot_logo_base;
3790                         u32 start_base = start;
3791                         int logo_len, i=0;
3792                         unsigned int nr_pages;
3793                         struct page **pages;
3794                         char *vaddr;
3795
3796                         dev_drv->ops->get_dspbuf_info(dev_drv, &xact,
3797                                                       &yact, &format,
3798                                                       &start);
3799                         logo_len = rk_fb_pixel_width(format) * xact * yact >> 3;
3800                         if (logo_len > uboot_logo_size ||
3801                             logo_len > main_fbi->fix.smem_len) {
3802                                 pr_err("logo size > uboot reserve buffer size\n");
3803                                 return -1;
3804                         }
3805
3806                         nr_pages = uboot_logo_size >> PAGE_SHIFT;
3807                         pages = kzalloc(sizeof(struct page) * nr_pages,
3808                                         GFP_KERNEL);
3809                         while (i < nr_pages) {
3810                                 pages[i] = phys_to_page(start);
3811                                 start += PAGE_SIZE;
3812                                 i++;
3813                         }
3814                         vaddr = vmap(pages, nr_pages, VM_MAP,
3815                                         pgprot_writecombine(PAGE_KERNEL));
3816                         if (!vaddr) {
3817                                 pr_err("failed to vmap phy addr 0x%x\n",
3818                                        start_base);
3819                                 return -1;
3820                         }
3821
3822                         memcpy(main_fbi->screen_base, vaddr, logo_len);
3823
3824                         kfree(pages);
3825                         vunmap(vaddr);
3826
3827                         dev_drv->ops->post_dspbuf(dev_drv,
3828                                         main_fbi->fix.smem_start,
3829                                         format, xact, yact,
3830                                         xact * rk_fb_pixel_width(format) >> 5);
3831                         if (dev_drv->iommu_enabled) {
3832                                 rk_fb_poll_wait_frame_complete();
3833                                 if (dev_drv->ops->mmu_en)
3834                                         dev_drv->ops->mmu_en(dev_drv);
3835                                 freed_index = 0;
3836                         }
3837                         return 0;
3838                 } else {
3839                         if (dev_drv->iommu_enabled) {
3840                                 if (dev_drv->ops->mmu_en)
3841                                         dev_drv->ops->mmu_en(dev_drv);
3842                                 freed_index = 0;
3843                         }
3844                 }
3845 #if defined(CONFIG_LOGO)
3846                 main_fbi->fbops->fb_set_par(main_fbi);
3847 #if  defined(CONFIG_LOGO_LINUX_BMP)
3848                 if (fb_prewine_bmp_logo(main_fbi, FB_ROTATE_UR)) {
3849                         fb_set_cmap(&main_fbi->cmap, main_fbi);
3850                         fb_show_bmp_logo(main_fbi, FB_ROTATE_UR);
3851                 }
3852 #else
3853                 if (fb_prepare_logo(main_fbi, FB_ROTATE_UR)) {
3854                         fb_set_cmap(&main_fbi->cmap, main_fbi);
3855                         fb_show_logo(main_fbi, FB_ROTATE_UR);
3856                 }
3857 #endif
3858                 main_fbi->fbops->fb_pan_display(&main_fbi->var, main_fbi);
3859 #endif
3860         } else {
3861                 struct fb_info *extend_fbi = rk_fb->fb[rk_fb->num_fb >> 1];
3862                 extend_fbi->var.pixclock = rk_fb->fb[0]->var.pixclock;
3863                 rk_fb_alloc_buffer(extend_fbi);
3864         }
3865 #endif
3866         return 0;
3867 }
3868
3869 int rk_fb_unregister(struct rk_lcdc_driver *dev_drv)
3870 {
3871         struct rk_fb *fb_inf = platform_get_drvdata(fb_pdev);
3872         struct fb_info *fbi;
3873         int fb_index_base = dev_drv->fb_index_base;
3874         int fb_num = dev_drv->lcdc_win_num;
3875         int i = 0;
3876
3877         if (fb_inf->lcdc_dev_drv[i]->vsync_info.thread) {
3878                 fb_inf->lcdc_dev_drv[i]->vsync_info.irq_stop = 1;
3879                 kthread_stop(fb_inf->lcdc_dev_drv[i]->vsync_info.thread);
3880         }
3881
3882         for (i = 0; i < fb_num; i++)
3883                 kfree(dev_drv->win[i]);
3884
3885         for (i = fb_index_base; i < (fb_index_base + fb_num); i++) {
3886                 fbi = fb_inf->fb[i];
3887                 unregister_framebuffer(fbi);
3888                 /* rk_release_fb_buffer(fbi); */
3889                 framebuffer_release(fbi);
3890         }
3891         fb_inf->lcdc_dev_drv[dev_drv->id] = NULL;
3892         fb_inf->num_lcdc--;
3893
3894         return 0;
3895 }
3896
3897 static int rk_fb_probe(struct platform_device *pdev)
3898 {
3899         struct rk_fb *rk_fb = NULL;
3900         struct device_node *np = pdev->dev.of_node;
3901         u32 mode;
3902
3903         if (!np) {
3904                 dev_err(&pdev->dev, "Missing device tree node.\n");
3905                 return -EINVAL;
3906         }
3907
3908         rk_fb = devm_kzalloc(&pdev->dev, sizeof(struct rk_fb), GFP_KERNEL);
3909         if (!rk_fb) {
3910                 dev_err(&pdev->dev, "kmalloc for rk fb fail!");
3911                 return -ENOMEM;
3912         }
3913         platform_set_drvdata(pdev, rk_fb);
3914
3915         if (!of_property_read_u32(np, "rockchip,disp-mode", &mode)) {
3916                 rk_fb->disp_mode = mode;
3917
3918         } else {
3919                 dev_err(&pdev->dev, "no disp-mode node found!");
3920                 return -ENODEV;
3921         }
3922
3923         if (!of_property_read_u32(np, "rockchip,disp-policy", &mode)) {
3924                 rk_fb->disp_policy = mode;
3925                 pr_info("fb disp policy is %s\n", rk_fb->disp_policy ? "box":"sdk");
3926         }
3927
3928         if (!of_property_read_u32(np, "rockchip,uboot-logo-on", &uboot_logo_on))
3929                 printk(KERN_DEBUG "uboot-logo-on:%d\n", uboot_logo_on);
3930
3931         dev_set_name(&pdev->dev, "rockchip-fb");
3932 #if defined(CONFIG_ION_ROCKCHIP)
3933         rk_fb->ion_client = rockchip_ion_client_create("rk_fb");
3934         if (IS_ERR(rk_fb->ion_client)) {
3935                 dev_err(&pdev->dev, "failed to create ion client for rk fb");
3936                 return PTR_ERR(rk_fb->ion_client);
3937         } else {
3938                 dev_info(&pdev->dev, "rk fb ion client create success!\n");
3939         }
3940 #endif
3941
3942         fb_pdev = pdev;
3943         dev_info(&pdev->dev, "rockchip framebuffer driver probe\n");
3944         return 0;
3945 }
3946
3947 static int rk_fb_remove(struct platform_device *pdev)
3948 {
3949         struct rk_fb *rk_fb = platform_get_drvdata(pdev);
3950
3951         kfree(rk_fb);
3952         platform_set_drvdata(pdev, NULL);
3953         return 0;
3954 }
3955
3956 static void rk_fb_shutdown(struct platform_device *pdev)
3957 {
3958         struct rk_fb *rk_fb = platform_get_drvdata(pdev);
3959         int i;
3960
3961         for (i = 0; i < rk_fb->num_lcdc; i++) {
3962                 if (!rk_fb->lcdc_dev_drv[i])
3963                         continue;
3964         }
3965 }
3966
3967 static const struct of_device_id rkfb_dt_ids[] = {
3968         {.compatible = "rockchip,rk-fb",},
3969         {}
3970 };
3971
3972 static struct platform_driver rk_fb_driver = {
3973         .probe = rk_fb_probe,
3974         .remove = rk_fb_remove,
3975         .driver = {
3976                    .name = "rk-fb",
3977                    .owner = THIS_MODULE,
3978                    .of_match_table = of_match_ptr(rkfb_dt_ids),
3979                    },
3980         .shutdown = rk_fb_shutdown,
3981 };
3982
3983 static int __init rk_fb_init(void)
3984 {
3985         return platform_driver_register(&rk_fb_driver);
3986 }
3987
3988 static void __exit rk_fb_exit(void)
3989 {
3990         platform_driver_unregister(&rk_fb_driver);
3991 }
3992
3993 fs_initcall(rk_fb_init);
3994 module_exit(rk_fb_exit);