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_state;
  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][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, j = 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         pr_info("last config addr:\n");
1464         for (i = 0; i < 4; i++) {
1465                 for (j = 0; j < 4; j++)
1466                         pr_info("win[%d],area[%d] = 0x%08x\n",
1467                                 i, j, g_last_addr[i][j]);
1468         }
1469         pr_info("last freed buffer:\n");
1470         for (i = 0; (freed_addr[i] != 0xfefefefe) && freed_addr[i]; i++)
1471                 printk("%d:0x%08x\n", i, freed_addr[i]);
1472         printk("last timeout:%d\n", g_last_timeout);
1473         dev_drv->ops->get_disp_info(dev_drv, buf, 0);
1474         for (i = 0; i < PAGE_SIZE; i += DUMP_CHUNK) {
1475                 if ((PAGE_SIZE - i) > DUMP_CHUNK) {
1476                         char c = buf[i + DUMP_CHUNK];
1477                         buf[i + DUMP_CHUNK] = 0;
1478                         pr_cont("%s", buf + i);
1479                         buf[i + DUMP_CHUNK] = c;
1480                 } else {
1481                         buf[PAGE_SIZE - 1] = 0;
1482                         pr_cont("%s", buf + i);
1483                 }
1484         }
1485
1486         return 0;
1487 }
1488 #endif
1489
1490 void rk_fb_free_dma_buf(struct rk_lcdc_driver *dev_drv,
1491                         struct rk_fb_reg_win_data *reg_win_data)
1492 {
1493         int i, index_buf;
1494         struct rk_fb_reg_area_data *area_data;
1495         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1496
1497         for (i = 0; i < reg_win_data->area_num; i++) {
1498                 area_data = &reg_win_data->reg_area_data[i];
1499                 index_buf = area_data->index_buf;
1500 #if defined(CONFIG_ROCKCHIP_IOMMU)
1501                 if (dev_drv->iommu_enabled) {
1502                         if ((rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
1503                              (area_data->ion_handle != NULL))
1504                                 ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client,
1505                                                 area_data->ion_handle);
1506                         freed_addr[freed_index++] = area_data->smem_start;
1507                 }
1508 #endif
1509                 if (area_data->ion_handle != NULL)
1510                         ion_free(rk_fb->ion_client, area_data->ion_handle);
1511
1512                 if (area_data->acq_fence)
1513                         sync_fence_put(area_data->acq_fence);
1514         }
1515         memset(reg_win_data, 0, sizeof(struct rk_fb_reg_win_data));
1516 }
1517
1518 static void rk_fb_update_win(struct rk_lcdc_driver *dev_drv,
1519                                 struct rk_lcdc_win *win,
1520                                 struct rk_fb_reg_win_data *reg_win_data)
1521 {
1522         int i = 0;
1523         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
1524         struct rk_screen *cur_screen;
1525         struct rk_screen primary_screen;
1526
1527         if (unlikely(!inf) || unlikely(!dev_drv) ||
1528             unlikely(!win) || unlikely(!reg_win_data))
1529                 return;
1530
1531         cur_screen = dev_drv->cur_screen;
1532         rk_fb_get_prmry_screen(&primary_screen);
1533
1534         win->area_num = reg_win_data->area_num;
1535         win->id = reg_win_data->win_id;
1536         win->z_order = reg_win_data->z_order;
1537
1538         if (reg_win_data->reg_area_data[0].smem_start > 0) {
1539                 win->state = 1;
1540                 win->area_num = reg_win_data->area_num;
1541                 win->id = reg_win_data->win_id;
1542                 win->z_order = reg_win_data->z_order;
1543                 win->area[0].uv_vir_stride =
1544                     reg_win_data->reg_area_data[0].uv_vir_stride;
1545                 win->area[0].cbr_start =
1546                     reg_win_data->reg_area_data[0].cbr_start;
1547                 win->area[0].c_offset = reg_win_data->reg_area_data[0].c_offset;
1548                 win->alpha_en = reg_win_data->alpha_en;
1549                 win->alpha_mode = reg_win_data->alpha_mode;
1550                 win->g_alpha_val = reg_win_data->g_alpha_val;
1551                 win->mirror_en = reg_win_data->mirror_en;
1552                 win->area[0].fbdc_en =
1553                         reg_win_data->reg_area_data[0].fbdc_en;
1554                 win->area[0].fbdc_cor_en =
1555                         reg_win_data->reg_area_data[0].fbdc_cor_en;
1556                 win->area[0].fbdc_data_format =
1557                         reg_win_data->reg_area_data[0].fbdc_data_format;
1558                 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
1559                         if (reg_win_data->reg_area_data[i].smem_start > 0) {
1560                                 win->area[i].format =
1561                                         reg_win_data->reg_area_data[i].data_format;
1562                                 if (inf->disp_policy != DISPLAY_POLICY_BOX)
1563                                         win->area[i].ion_hdl =
1564                                         reg_win_data->reg_area_data[i].ion_handle;
1565                                 win->area[i].smem_start =
1566                                         reg_win_data->reg_area_data[i].smem_start;
1567                                 if (inf->disp_mode == DUAL ||
1568                                     inf->disp_mode == NO_DUAL ||
1569                                     inf->disp_policy == DISPLAY_POLICY_BOX) {
1570                                         win->area[i].xpos =
1571                                                 reg_win_data->reg_area_data[i].xpos;
1572                                         win->area[i].ypos =
1573                                                 reg_win_data->reg_area_data[i].ypos;
1574                                         win->area[i].xsize =
1575                                                 reg_win_data->reg_area_data[i].xsize;
1576                                         win->area[i].ysize =
1577                                                 reg_win_data->reg_area_data[i].ysize;
1578                                 } else {
1579                                         win->area[i].xpos =
1580                                                 reg_win_data->reg_area_data[i].xpos *
1581                                                 cur_screen->mode.xres /
1582                                                 primary_screen.mode.xres;
1583                                         win->area[i].ypos =
1584                                                 reg_win_data->reg_area_data[i].ypos *
1585                                                 cur_screen->mode.yres /
1586                                                 primary_screen.mode.yres;
1587                                         win->area[i].xsize =
1588                                                 reg_win_data->reg_area_data[i].xsize *
1589                                                 cur_screen->mode.xres /
1590                                                 primary_screen.mode.xres;
1591                                         win->area[i].ysize =
1592                                                 reg_win_data->reg_area_data[i].ysize *
1593                                                 cur_screen->mode.yres /
1594                                                 primary_screen.mode.yres;
1595
1596                                         /* recalc display size if set hdmi scaler when at ONE_DUAL mode */
1597                                         if (inf->disp_mode == ONE_DUAL && hdmi_switch_state) {
1598                                                 if (cur_screen->xsize > 0 &&
1599                                                     cur_screen->xsize <= cur_screen->mode.xres) {
1600                                                         win->area[i].xpos =
1601                                                                 ((cur_screen->mode.xres - cur_screen->xsize) >> 1) +
1602                                                                 cur_screen->xsize * win->area[i].xpos / cur_screen->mode.xres;
1603                                                         win->area[i].xsize =
1604                                                                 win->area[i].xsize * cur_screen->xsize / cur_screen->mode.xres;
1605                                                 }
1606                                                 if (cur_screen->ysize > 0 && cur_screen->ysize <= cur_screen->mode.yres) {
1607                                                         win->area[i].ypos =
1608                                                                 ((cur_screen->mode.yres - cur_screen->ysize) >> 1) +
1609                                                                 cur_screen->ysize * win->area[i].ypos / cur_screen->mode.yres;
1610                                                         win->area[i].ysize =
1611                                                                 win->area[i].ysize * cur_screen->ysize / cur_screen->mode.yres;
1612                                                 }
1613                                         }
1614                                 }
1615                                 win->area[i].xact =
1616                                     reg_win_data->reg_area_data[i].xact;
1617                                 win->area[i].yact =
1618                                     reg_win_data->reg_area_data[i].yact;
1619                                 win->area[i].xvir =
1620                                     reg_win_data->reg_area_data[i].xvir;
1621                                 win->area[i].yvir =
1622                                     reg_win_data->reg_area_data[i].yvir;
1623                                 win->area[i].xoff =
1624                                     reg_win_data->reg_area_data[i].xoff;
1625                                 win->area[i].yoff =
1626                                     reg_win_data->reg_area_data[i].yoff;
1627                                 win->area[i].y_offset =
1628                                     reg_win_data->reg_area_data[i].y_offset;
1629                                 win->area[i].y_vir_stride =
1630                                     reg_win_data->reg_area_data[i].y_vir_stride;
1631                                 win->area[i].state = 1;
1632 #if defined(CONFIG_ROCKCHIP_IOMMU)
1633                                 if (dev_drv->iommu_enabled)
1634                                         g_last_addr[win->id][i] = win->area[i].smem_start +
1635                                                 win->area[i].y_offset;
1636 #endif
1637                         } else {
1638                                 win->area[i].state = 0;
1639 #if defined(CONFIG_ROCKCHIP_IOMMU)
1640                                 if (dev_drv->iommu_enabled)
1641                                         g_last_addr[win->id][i] = -1;
1642 #endif
1643                         }
1644                 }
1645         }
1646 }
1647
1648 static struct rk_fb_reg_win_data *rk_fb_get_win_data(struct rk_fb_reg_data
1649                                                      *regs, int win_id)
1650 {
1651         int i;
1652         struct rk_fb_reg_win_data *win_data = NULL;
1653         for (i = 0; i < regs->win_num; i++) {
1654                 if (regs->reg_win_data[i].win_id == win_id) {
1655                         win_data = &(regs->reg_win_data[i]);
1656                         break;
1657                 }
1658         }
1659
1660         return win_data;
1661 }
1662
1663 static void rk_fb_update_reg(struct rk_lcdc_driver *dev_drv,
1664                              struct rk_fb_reg_data *regs)
1665 {
1666         int i, j;
1667         struct rk_lcdc_win *win;
1668         ktime_t timestamp = dev_drv->vsync_info.timestamp;
1669         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1670         struct rk_fb_reg_win_data *win_data;
1671         bool wait_for_vsync;
1672         int count = 100;
1673         unsigned int dsp_addr[4];
1674         long timeout;
1675         int win_status = 0;
1676
1677         /* acq_fence wait */
1678         for (i = 0; i < regs->win_num; i++) {
1679                 win_data = &regs->reg_win_data[i];
1680                 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1681                         if (win_data->reg_area_data[j].acq_fence) {
1682                                 /* printk("acq_fence wait!!!!!\n"); */
1683                                 rk_fd_fence_wait(dev_drv, win_data->reg_area_data[j].acq_fence);
1684                         }
1685                 }
1686         }
1687
1688         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1689                 win = dev_drv->win[i];
1690                 win_data = rk_fb_get_win_data(regs, i);
1691                 if (win_data) {
1692                         if (rk_fb->disp_policy == DISPLAY_POLICY_BOX &&
1693                             (win_data->reg_area_data[0].data_format == YUV420 ||
1694                              win_data->reg_area_data[0].data_format == YUV420_NV21 ||
1695                              win_data->reg_area_data[0].data_format == YUV420_A))
1696                                 continue;
1697                         mutex_lock(&dev_drv->win_config);
1698                         rk_fb_update_win(dev_drv, win, win_data);
1699                         win->state = 1;
1700                         dev_drv->ops->set_par(dev_drv, i);
1701                         dev_drv->ops->pan_display(dev_drv, i);
1702                         mutex_unlock(&dev_drv->win_config);
1703                 } else {
1704                         win->z_order = -1;
1705                         win->state = 0;
1706 #if defined(CONFIG_ROCKCHIP_IOMMU)
1707                         if (dev_drv->iommu_enabled) {
1708                                 for (j = 0; j < 4; j++)
1709                                         g_last_addr[i][j] = -1;
1710                         }
1711 #endif
1712                 }
1713         }
1714         dev_drv->ops->ovl_mgr(dev_drv, 0, 1);
1715         if (dev_drv->ops->dsp_black)
1716                 dev_drv->ops->dsp_black(dev_drv, 0);
1717         dev_drv->ops->cfg_done(dev_drv);
1718
1719         do {
1720                 timestamp = dev_drv->vsync_info.timestamp;
1721                 timeout = wait_event_interruptible_timeout(dev_drv->vsync_info.wait,
1722                                 ktime_compare(dev_drv->vsync_info.timestamp, timestamp) > 0,
1723                                 msecs_to_jiffies(50));
1724
1725                 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1726                 wait_for_vsync = false;
1727                 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1728                         if (rk_fb->disp_policy == DISPLAY_POLICY_BOX &&
1729                             (!strcmp(dev_drv->win[i]->name, "hwc")))
1730                                 continue;
1731                         if (dev_drv->win[i]->state == 1) {
1732                                 u32 new_start =
1733                                     dev_drv->win[i]->area[0].smem_start +
1734                                     dev_drv->win[i]->area[0].y_offset;
1735                                 u32 reg_start = dsp_addr[i];
1736
1737                                 if ((rk_fb->disp_policy ==
1738                                      DISPLAY_POLICY_BOX) &&
1739                                     (dev_drv->suspend_flag))
1740                                         continue;
1741                                 if (unlikely(new_start != reg_start)) {
1742                                         wait_for_vsync = true;
1743                                         dev_info(dev_drv->dev,
1744                                                "win%d:new_addr:0x%08x cur_addr:0x%08x--%d\n",
1745                                                i, new_start, reg_start, 101 - count);
1746                                         break;
1747                                 }
1748                         } else if (dev_drv->win[i]->state == 0) {
1749                                 if (dev_drv->ops->get_win_state) {
1750                                         win_status =
1751                                         dev_drv->ops->get_win_state(dev_drv, i);
1752                                         if (win_status)
1753                                                wait_for_vsync = true;
1754                                 }
1755                         } else {
1756                                 pr_err("!!!win[%d]state:%d,error!!!\n",
1757                                         i, dev_drv->win[i]->state);
1758                         }
1759                 }
1760         } while (wait_for_vsync && count--);
1761 #ifdef H_USE_FENCE
1762         sw_sync_timeline_inc(dev_drv->timeline, 1);
1763 #endif
1764         if (dev_drv->front_regs) {
1765 #if defined(CONFIG_ROCKCHIP_IOMMU)
1766                 if (dev_drv->iommu_enabled) {
1767                         if (dev_drv->ops->mmu_en)
1768                                 dev_drv->ops->mmu_en(dev_drv);
1769                         freed_index = 0;
1770                         g_last_timeout = timeout;
1771                 }
1772 #endif
1773
1774                 mutex_lock(&dev_drv->front_lock);
1775
1776                 for (i = 0; i < dev_drv->front_regs->win_num; i++) {
1777                         win_data = &dev_drv->front_regs->reg_win_data[i];
1778                         rk_fb_free_dma_buf(dev_drv, win_data);
1779                 }
1780                 kfree(dev_drv->front_regs);
1781
1782                 mutex_unlock(&dev_drv->front_lock);
1783
1784 #if defined(CONFIG_ROCKCHIP_IOMMU)
1785                 if (dev_drv->iommu_enabled)
1786                         freed_addr[freed_index] = 0xfefefefe;
1787 #endif
1788         }
1789
1790         mutex_lock(&dev_drv->front_lock);
1791
1792         dev_drv->front_regs = regs;
1793
1794         mutex_unlock(&dev_drv->front_lock);
1795
1796         trace_buffer_dump(&fb_pdev->dev, dev_drv);
1797 }
1798
1799 static void rk_fb_update_regs_handler(struct kthread_work *work)
1800 {
1801         struct rk_lcdc_driver *dev_drv =
1802             container_of(work, struct rk_lcdc_driver, update_regs_work);
1803         struct rk_fb_reg_data *data, *next;
1804
1805         mutex_lock(&dev_drv->update_regs_list_lock);
1806         dev_drv->saved_list = dev_drv->update_regs_list;
1807         list_replace_init(&dev_drv->update_regs_list, &dev_drv->saved_list);
1808         mutex_unlock(&dev_drv->update_regs_list_lock);
1809
1810         list_for_each_entry_safe(data, next, &dev_drv->saved_list, list) {
1811                 rk_fb_update_reg(dev_drv, data);
1812                 list_del(&data->list);
1813         }
1814
1815         if (dev_drv->wait_fs && list_empty(&dev_drv->update_regs_list))
1816                 wake_up(&dev_drv->update_regs_wait);
1817 }
1818
1819 static int rk_fb_check_config_var(struct rk_fb_area_par *area_par,
1820                                   struct rk_screen *screen)
1821 {
1822         if ((area_par->x_offset + area_par->xact > area_par->xvir) ||
1823             (area_par->xact <= 0) || (area_par->yact <= 0) ||
1824             (area_par->xvir <= 0) || (area_par->yvir <= 0)) {
1825                 pr_err("check config var fail 0:\n"
1826                        "x_offset=%d,xact=%d,xvir=%d\n",
1827                        area_par->x_offset, area_par->xact, area_par->xvir);
1828                 return -EINVAL;
1829         }
1830
1831         if ((area_par->xpos + area_par->xsize > screen->mode.xres) ||
1832             (area_par->ypos + area_par->ysize > screen->mode.yres) ||
1833             (area_par->xsize <= 0) || (area_par->ysize <= 0)) {
1834                 pr_warn("check config var fail 1:\n"
1835                        "xpos=%d,xsize=%d,xres=%d\n"
1836                        "ypos=%d,ysize=%d,yres=%d\n",
1837                        area_par->xpos, area_par->xsize, screen->mode.xres,
1838                        area_par->ypos, area_par->ysize, screen->mode.yres);
1839                 return -EINVAL;
1840         }
1841         return 0;
1842 }
1843
1844 static int rk_fb_set_win_buffer(struct fb_info *info,
1845                                 struct rk_fb_win_par *win_par,
1846                                 struct rk_fb_reg_win_data *reg_win_data)
1847 {
1848         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
1849         struct fb_fix_screeninfo *fix = &info->fix;
1850         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1851         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1852         /*if hdmi size move to hwc,screen should point to cur_screen
1853           otherwise point to screen0[main screen]*/
1854         struct rk_screen *screen = dev_drv->cur_screen;/*screen0;*/
1855         struct fb_info *fbi;
1856         int i, ion_fd, acq_fence_fd;
1857         u32 xvir, yvir;
1858         u32 xoffset, yoffset;
1859
1860         struct ion_handle *hdl;
1861         size_t len;
1862         int index_buf;
1863         u8 fb_data_fmt;
1864         u8 pixel_width;
1865         u32 vir_width_bit;
1866         u32 stride, uv_stride;
1867         u32 stride_32bit_1;
1868         u32 stride_32bit_2;
1869         u16 uv_x_off, uv_y_off, uv_y_act;
1870         u8 is_pic_yuv = 0;
1871         u8 ppixel_a = 0, global_a = 0;
1872         ion_phys_addr_t phy_addr;
1873         int ret = 0;
1874         int buff_len;
1875
1876         reg_win_data->reg_area_data[0].smem_start = -1;
1877         reg_win_data->area_num = 0;
1878         fbi = rk_fb->fb[reg_win_data->win_id];
1879         if (win_par->area_par[0].phy_addr == 0) {
1880                 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
1881                         ion_fd = win_par->area_par[i].ion_fd;
1882                         if (ion_fd > 0) {
1883                                 hdl =
1884                                     ion_import_dma_buf(rk_fb->ion_client,
1885                                                        ion_fd);
1886                                 if (IS_ERR(hdl)) {
1887                                         pr_info("%s: Could not import handle:"
1888                                                 " %ld\n", __func__, (long)hdl);
1889                                         /*return -EINVAL; */
1890                                         break;
1891                                 }
1892                                 reg_win_data->area_num++;
1893                                 reg_win_data->reg_area_data[i].ion_handle = hdl;
1894 #ifndef CONFIG_ROCKCHIP_IOMMU
1895                                 ret = ion_phys(rk_fb->ion_client, hdl, &phy_addr,
1896                                                 &len);
1897 #else
1898                                 if (dev_drv->iommu_enabled)
1899                                         ret = ion_map_iommu(dev_drv->dev,
1900                                                                 rk_fb->ion_client,
1901                                                                 hdl,
1902                                                                 (unsigned long *)&phy_addr,
1903                                                                 (unsigned long *)&len);
1904                                 else
1905                                         ret = ion_phys(rk_fb->ion_client, hdl,
1906                                                         &phy_addr, &len);
1907 #endif
1908                                 if (ret < 0) {
1909                                         dev_err(fbi->dev, "ion map to get phy addr failed\n");
1910                                         ion_free(rk_fb->ion_client, hdl);
1911                                         return -ENOMEM;
1912                                 }
1913                                 reg_win_data->reg_area_data[i].smem_start = phy_addr;
1914                                 reg_win_data->area_buf_num++;
1915                                 reg_win_data->reg_area_data[i].index_buf = 1;
1916                                 reg_win_data->reg_area_data[i].buff_len = len;
1917                         }
1918                 }
1919         } else {
1920                 reg_win_data->reg_area_data[0].smem_start =
1921                     win_par->area_par[0].phy_addr;
1922                 reg_win_data->area_num = 1;
1923                 reg_win_data->area_buf_num++;
1924                 fbi->screen_base = phys_to_virt(win_par->area_par[0].phy_addr);
1925         }
1926
1927         if (reg_win_data->area_num == 0)
1928                 return 0;
1929
1930         for (i = 0; i < reg_win_data->area_num; i++) {
1931                 acq_fence_fd = win_par->area_par[i].acq_fence_fd;
1932                 index_buf = reg_win_data->reg_area_data[i].index_buf;
1933                 if ((acq_fence_fd > 0) && (index_buf == 1)) {
1934                         reg_win_data->reg_area_data[i].acq_fence =
1935                             sync_fence_fdget(win_par->area_par[i].acq_fence_fd);
1936                 }
1937         }
1938         if (reg_win_data->reg_area_data[0].smem_start > 0) {
1939                 reg_win_data->z_order = win_par->z_order;
1940                 reg_win_data->win_id = win_par->win_id;
1941         } else {
1942                 reg_win_data->z_order = -1;
1943                 reg_win_data->win_id = -1;
1944         }
1945
1946         reg_win_data->mirror_en = win_par->mirror_en;
1947         for (i = 0; i < reg_win_data->area_num; i++) {
1948                 /*rk_fb_check_config_var(&win_par->area_par[i], screen);*/
1949
1950                 fb_data_fmt = rk_fb_data_fmt(win_par->area_par[i].data_format, 0);
1951                 reg_win_data->reg_area_data[i].data_format = fb_data_fmt;
1952                 if (fb_data_fmt >= FBDC_RGB_565) {
1953                         reg_win_data->reg_area_data[i].fbdc_en = 1;
1954                         reg_win_data->reg_area_data[i].fbdc_cor_en = 1;
1955                 } else {
1956                         reg_win_data->reg_area_data[i].fbdc_en = 0;
1957                         reg_win_data->reg_area_data[i].fbdc_cor_en = 0;
1958                 }
1959                 pixel_width = rk_fb_pixel_width(fb_data_fmt);
1960
1961                 ppixel_a |= ((fb_data_fmt == ARGB888) ||
1962                              (fb_data_fmt == FBDC_ARGB_888) ||
1963                              (fb_data_fmt == FBDC_ABGR_888) ||
1964                              (fb_data_fmt == ABGR888)) ? 1 : 0;
1965                 /* visiable pos in panel */
1966                 reg_win_data->reg_area_data[i].xpos = win_par->area_par[i].xpos;
1967                 reg_win_data->reg_area_data[i].ypos = win_par->area_par[i].ypos;
1968
1969                 /* realy size in panel */
1970                 reg_win_data->reg_area_data[i].xsize = win_par->area_par[i].xsize;
1971                 reg_win_data->reg_area_data[i].ysize = win_par->area_par[i].ysize;
1972
1973                 /* realy size in panel */
1974                 reg_win_data->reg_area_data[i].xact = win_par->area_par[i].xact;
1975                 reg_win_data->reg_area_data[i].yact = win_par->area_par[i].yact;
1976
1977                 xoffset = win_par->area_par[i].x_offset;        /* buf offset */
1978                 yoffset = win_par->area_par[i].y_offset;
1979                 reg_win_data->reg_area_data[i].xoff = xoffset;
1980                 reg_win_data->reg_area_data[i].yoff = yoffset;
1981
1982                 xvir = win_par->area_par[i].xvir;
1983                 reg_win_data->reg_area_data[i].xvir = xvir;
1984                 yvir = win_par->area_par[i].yvir;
1985                 reg_win_data->reg_area_data[i].yvir = yvir;
1986
1987                 vir_width_bit = pixel_width * xvir;
1988                 /* pixel_width = byte_num*8 */
1989                 stride_32bit_1 = ((vir_width_bit + 31) & (~31)) / 8;
1990                 stride_32bit_2 = ((vir_width_bit * 2 + 31) & (~31)) / 8;
1991
1992                 stride = stride_32bit_1;        /* default rgb */
1993                 fix->line_length = stride;
1994                 reg_win_data->reg_area_data[i].y_vir_stride = stride >> 2;
1995
1996                 /* x y mirror ,jump line
1997                  * reg_win_data->reg_area_data[i].y_offset =
1998                  *              yoffset*stride+xoffset*pixel_width/8;
1999                  */
2000                 if ((screen->y_mirror == 1) || (reg_win_data->mirror_en)) {
2001                         if (screen->interlace == 1) {
2002                                 reg_win_data->reg_area_data[i].y_offset =
2003                                     yoffset * stride * 2 +
2004                                     ((reg_win_data->reg_area_data[i].yact - 1) * 2 + 1) * stride +
2005                                     xoffset * pixel_width / 8;
2006                         } else {
2007                                 reg_win_data->reg_area_data[i].y_offset =
2008                                     yoffset * stride +
2009                                     (reg_win_data->reg_area_data[i].yact - 1) * stride +
2010                                     xoffset * pixel_width / 8;
2011                         }
2012                 } else {
2013                         if (screen->interlace == 1) {
2014                                 reg_win_data->reg_area_data[i].y_offset =
2015                                     yoffset * stride * 2 +
2016                                     xoffset * pixel_width / 8;
2017                         } else {
2018                                 reg_win_data->reg_area_data[i].y_offset =
2019                                     yoffset * stride +
2020                                     xoffset * pixel_width / 8;
2021                         }
2022                 }
2023                 if ((fb_data_fmt != YUV420) &&
2024                     (fb_data_fmt != YUV420_NV21) &&
2025                     (fb_data_fmt != YUV422) &&
2026                     (fb_data_fmt != YUV444) &&
2027                     dev_drv->iommu_enabled) {
2028                         buff_len = reg_win_data->reg_area_data[i].y_offset +
2029                                 reg_win_data->reg_area_data[i].xvir *
2030                                 reg_win_data->reg_area_data[i].yact *
2031                                 pixel_width / 8 -
2032                                 reg_win_data->reg_area_data[i].xoff*
2033                                 pixel_width / 8;
2034                         if (buff_len > reg_win_data->reg_area_data[i].buff_len)
2035                                 pr_err("\n!!!!!!error: fmt=%d,xvir[%d]*"
2036                                        "yact[%d]*bpp[%d]"
2037                                        "=buff_len[0x%x]>>mmu len=0x%x\n",
2038                                        fb_data_fmt,
2039                                        reg_win_data->reg_area_data[i].xvir,
2040                                        reg_win_data->reg_area_data[i].yact,
2041                                        pixel_width, buff_len,
2042                                        reg_win_data->reg_area_data[i].buff_len);
2043                 }
2044         }
2045
2046         global_a = (win_par->g_alpha_val == 0) ? 0 : 1;
2047         reg_win_data->alpha_en = ppixel_a | global_a;
2048         reg_win_data->g_alpha_val = win_par->g_alpha_val;
2049         reg_win_data->alpha_mode = win_par->alpha_mode;
2050
2051         switch (fb_data_fmt) {
2052         case YUV422:
2053         case YUV422_A:
2054                 is_pic_yuv = 1;
2055                 stride = stride_32bit_1;
2056                 uv_stride = stride_32bit_1 >> 1;
2057                 uv_x_off = xoffset >> 1;
2058                 uv_y_off = yoffset;
2059                 fix->line_length = stride;
2060                 uv_y_act = win_par->area_par[0].yact >> 1;
2061                 break;
2062         case YUV420:            /* nv12 */
2063         case YUV420_NV21:       /* nv21 */
2064         case YUV420_A:
2065                 is_pic_yuv = 1;
2066                 stride = stride_32bit_1;
2067                 uv_stride = stride_32bit_1;
2068                 uv_x_off = xoffset;
2069                 uv_y_off = yoffset >> 1;
2070                 fix->line_length = stride;
2071                 uv_y_act = win_par->area_par[0].yact >> 1;
2072                 break;
2073         case YUV444:
2074         case YUV444_A:
2075                 is_pic_yuv = 1;
2076                 stride = stride_32bit_1;
2077                 uv_stride = stride_32bit_2;
2078                 uv_x_off = xoffset * 2;
2079                 uv_y_off = yoffset;
2080                 fix->line_length = stride << 2;
2081                 uv_y_act = win_par->area_par[0].yact;
2082                 break;
2083         default:
2084                 break;
2085         }
2086         if (is_pic_yuv == 1) {
2087                 reg_win_data->reg_area_data[0].cbr_start =
2088                     reg_win_data->reg_area_data[0].smem_start + xvir * yvir;
2089                 reg_win_data->reg_area_data[0].uv_vir_stride = uv_stride >> 2;
2090                 if ((screen->y_mirror == 1) || (reg_win_data->mirror_en)) {
2091                         if (screen->interlace == 1) {
2092                                 reg_win_data->reg_area_data[0].c_offset =
2093                                     uv_y_off * uv_stride * 2 +
2094                                     ((uv_y_act - 1) * 2 + 1) * uv_stride +
2095                                     uv_x_off * pixel_width / 8;
2096                         } else {
2097                                 reg_win_data->reg_area_data[0].c_offset =
2098                                     uv_y_off * uv_stride +
2099                                     (uv_y_act - 1) * uv_stride +
2100                                     uv_x_off * pixel_width / 8;
2101                         }
2102                 } else {
2103                         if (screen->interlace == 1) {
2104                                 reg_win_data->reg_area_data[0].c_offset =
2105                                     uv_y_off * uv_stride * 2 +
2106                                     uv_x_off * pixel_width / 8;
2107                         } else {
2108                                 reg_win_data->reg_area_data[0].c_offset =
2109                                     uv_y_off * uv_stride +
2110                                     uv_x_off * pixel_width / 8;
2111                         }
2112                 }
2113                 buff_len = reg_win_data->reg_area_data[0].cbr_start +
2114                         reg_win_data->reg_area_data[0].c_offset +
2115                         reg_win_data->reg_area_data[0].xvir *
2116                         reg_win_data->reg_area_data[0].yact *
2117                         pixel_width / 16 -
2118                         reg_win_data->reg_area_data[0].smem_start -
2119                         reg_win_data->reg_area_data[0].xoff*
2120                         pixel_width / 16 ;
2121                 if ((buff_len > reg_win_data->reg_area_data[0].buff_len) &&
2122                      dev_drv->iommu_enabled)
2123                         pr_err("\n!!!!!!error: fmt=%d,xvir[%d]*"
2124                                "yact[%d]*bpp[%d]"
2125                                "=buff_len[0x%x]>>mmu len=0x%x\n",
2126                                fb_data_fmt,
2127                                reg_win_data->reg_area_data[0].xvir,
2128                                reg_win_data->reg_area_data[0].yact,
2129                                pixel_width, buff_len,
2130                                reg_win_data->reg_area_data[0].buff_len);
2131         }
2132
2133         /* record buffer information for rk_fb_disp_scale to prevent fence timeout
2134          * because rk_fb_disp_scale will call function info->fbops->fb_set_par(info);
2135          */
2136         info->var.yoffset = yoffset;
2137         info->var.xoffset = xoffset;
2138         return 0;
2139 }
2140
2141 static int rk_fb_set_win_config(struct fb_info *info,
2142                                 struct rk_fb_win_cfg_data *win_data)
2143 {
2144         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2145         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2146         struct rk_fb_reg_data *regs;
2147 #ifdef H_USE_FENCE
2148         struct sync_fence *release_fence[RK_MAX_BUF_NUM];
2149         struct sync_fence *retire_fence;
2150         struct sync_pt *release_sync_pt[RK_MAX_BUF_NUM];
2151         struct sync_pt *retire_sync_pt;
2152         char fence_name[20];
2153 #endif
2154         int ret = 0, i, j = 0;
2155         int list_is_empty = 0;
2156         struct rk_screen *screen = dev_drv->cur_screen;
2157
2158         for (i = 0; i < 4; i++) {
2159                 for (j = 0; j < 4; j++) {
2160                         if (win_data->win_par[i].area_par[j].ion_fd > 0)
2161                                 ret += rk_fb_check_config_var(
2162                                         &win_data->win_par[i].area_par[j],
2163                                         screen);
2164                 }
2165         }
2166         if ((dev_drv->suspend_flag) || (dev_drv->hdmi_switch) || (ret < 0)) {
2167                 dev_drv->timeline_max++;
2168                 sw_sync_timeline_inc(dev_drv->timeline, 1);
2169                 if (dev_drv->suspend_flag)
2170                         pr_err("suspend_flag=%d\n", dev_drv->suspend_flag);
2171                 else if (dev_drv->hdmi_switch)
2172                         pr_err("hdmi switch = %d\n", dev_drv->hdmi_switch);
2173                 else
2174                         pr_err("error config ,ignore\n");
2175                 for (j = 0; j < RK_MAX_BUF_NUM; j++)
2176                         win_data->rel_fence_fd[j] = -1;
2177                 win_data->ret_fence_fd = -1;
2178                 return 0;
2179         }
2180
2181         regs = kzalloc(sizeof(struct rk_fb_reg_data), GFP_KERNEL);
2182         if (!regs) {
2183                 printk(KERN_INFO "could not allocate rk_fb_reg_data\n");
2184                 ret = -ENOMEM;
2185                 return ret;
2186         }
2187
2188         for (i = 0,j = 0; i < dev_drv->lcdc_win_num; i++) {
2189                 if (win_data->win_par[i].win_id < dev_drv->lcdc_win_num) {
2190                         if (rk_fb_set_win_buffer(info, &win_data->win_par[i],
2191                                                         &regs->reg_win_data[j]))
2192                                 return -ENOMEM;
2193                         if (regs->reg_win_data[j].area_num > 0) {
2194                                 regs->win_num++;
2195                                 regs->buf_num +=
2196                                     regs->reg_win_data[j].area_buf_num;
2197                         }
2198                         j++;
2199                 } else {
2200                         printk(KERN_INFO "error:win_id bigger than lcdc_win_num\n");
2201                         printk(KERN_INFO "i=%d,win_id=%d\n", i,
2202                                win_data->win_par[i].win_id);
2203                 }
2204         }
2205
2206         if (regs->win_num <= 0)
2207                 goto err_null_frame;
2208
2209         mutex_lock(&dev_drv->output_lock);
2210
2211         dev_drv->timeline_max++;
2212 #ifdef H_USE_FENCE
2213         for (i = 0; i < RK_MAX_BUF_NUM; i++) {
2214                 if (i < regs->buf_num) {
2215                         sprintf(fence_name, "fence%d", i);
2216                         win_data->rel_fence_fd[i] = get_unused_fd();
2217                         if (win_data->rel_fence_fd[i] < 0) {
2218                                 printk(KERN_INFO "rel_fence_fd=%d\n",
2219                                        win_data->rel_fence_fd[i]);
2220                                 ret = -EFAULT;
2221                                 goto err;
2222                         }
2223                         release_sync_pt[i] =
2224                             sw_sync_pt_create(dev_drv->timeline,
2225                                               dev_drv->timeline_max);
2226                         release_fence[i] =
2227                             sync_fence_create(fence_name, release_sync_pt[i]);
2228                         sync_fence_install(release_fence[i],
2229                                            win_data->rel_fence_fd[i]);
2230                 } else {
2231                         win_data->rel_fence_fd[i] = -1;
2232                 }
2233         }
2234
2235         win_data->ret_fence_fd = get_unused_fd();
2236         if (win_data->ret_fence_fd < 0) {
2237                 printk("ret_fence_fd=%d\n", win_data->ret_fence_fd);
2238                 win_data->ret_fence_fd = -1;
2239                 ret = -EFAULT;
2240                 goto err;
2241         }
2242         retire_sync_pt =
2243             sw_sync_pt_create(dev_drv->timeline, dev_drv->timeline_max);
2244         retire_fence = sync_fence_create("ret_fence", retire_sync_pt);
2245         sync_fence_install(retire_fence, win_data->ret_fence_fd);
2246 #else
2247         for (i = 0; i < RK_MAX_BUF_NUM; i++)
2248                 win_data->rel_fence_fd[i] = -1;
2249
2250         win_data->ret_fence_fd = -1;
2251 #endif
2252         if (dev_drv->wait_fs == 0) {
2253                 mutex_lock(&dev_drv->update_regs_list_lock);
2254                 list_add_tail(&regs->list, &dev_drv->update_regs_list);
2255                 mutex_unlock(&dev_drv->update_regs_list_lock);
2256                 queue_kthread_work(&dev_drv->update_regs_worker,
2257                                    &dev_drv->update_regs_work);
2258         } else {
2259                 mutex_lock(&dev_drv->update_regs_list_lock);
2260                 list_is_empty = list_empty(&dev_drv->update_regs_list) &&
2261                                         list_empty(&dev_drv->saved_list);
2262                 mutex_unlock(&dev_drv->update_regs_list_lock);
2263                 if (!list_is_empty) {
2264                         ret = wait_event_timeout(dev_drv->update_regs_wait,
2265                                 list_empty(&dev_drv->update_regs_list) && list_empty(&dev_drv->saved_list),
2266                                 msecs_to_jiffies(60));
2267                         if (ret > 0)
2268                                 rk_fb_update_reg(dev_drv, regs);
2269                         else
2270                                 printk("%s: wait update_regs_wait timeout\n", __func__);
2271                 } else if (ret == 0) {
2272                         rk_fb_update_reg(dev_drv, regs);
2273                 }
2274         }
2275
2276 err:
2277         mutex_unlock(&dev_drv->output_lock);
2278         return ret;
2279 err_null_frame:
2280         kfree(regs);
2281         for (j = 0; j < RK_MAX_BUF_NUM; j++)
2282                 win_data->rel_fence_fd[j] = -1;
2283         win_data->ret_fence_fd = -1;
2284         pr_info("win num = %d,null frame\n", regs->win_num);
2285         return 0;
2286 }
2287
2288 #if 1
2289 static int cfgdone_distlist[10] = { 0 };
2290
2291 static int cfgdone_index;
2292 static int cfgdone_lasttime;
2293
2294 int rk_get_real_fps(int before)
2295 {
2296         struct timespec now;
2297         int dist_curr;
2298         int dist_total = 0;
2299         int dist_count = 0;
2300         int dist_first = 0;
2301
2302         int index = cfgdone_index;
2303         int i = 0, fps = 0;
2304         int total;
2305
2306         if (before > 100)
2307                 before = 100;
2308         if (before < 0)
2309                 before = 0;
2310
2311         getnstimeofday(&now);
2312         dist_curr = (now.tv_sec * 1000000 + now.tv_nsec / 1000) -
2313                         cfgdone_lasttime;
2314         total = dist_curr;
2315         /*
2316            printk("fps: ");
2317          */
2318         for (i = 0; i < 10; i++) {
2319                 if (--index < 0)
2320                         index = 9;
2321                 total += cfgdone_distlist[index];
2322                 if (i == 0)
2323                         dist_first = cfgdone_distlist[index];
2324                 if (total < (before * 1000)) {
2325                         /*
2326                            printk("[%d:%d] ", dist_count, cfgdone_distlist[index]);
2327                          */
2328                         dist_total += cfgdone_distlist[index];
2329                         dist_count++;
2330                 } else {
2331                         break;
2332                 }
2333         }
2334
2335         /*
2336            printk("total %d, count %d, curr %d, ", dist_total, dist_count, dist_curr);
2337          */
2338         dist_curr = (dist_curr > dist_first) ? dist_curr : dist_first;
2339         dist_total += dist_curr;
2340         dist_count++;
2341
2342         if (dist_total > 0)
2343                 fps = (1000000 * dist_count) / dist_total;
2344         else
2345                 fps = 60;
2346
2347         /*
2348            printk("curr2 %d, fps=%d\n", dist_curr, fps);
2349          */
2350         return fps;
2351 }
2352 EXPORT_SYMBOL(rk_get_real_fps);
2353
2354 #endif
2355 #ifdef CONFIG_ROCKCHIP_IOMMU
2356 #define ION_MAX 10
2357 static struct ion_handle *ion_hanle[ION_MAX];
2358 static struct ion_handle *ion_hwc[1];
2359 #endif
2360 static int rk_fb_ioctl(struct fb_info *info, unsigned int cmd,
2361                        unsigned long arg)
2362 {
2363         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2364         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2365         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2366         struct fb_fix_screeninfo *fix = &info->fix;
2367         struct rk_lcdc_win *win;
2368         int enable;     /* enable fb:1 enable;0 disable */
2369         int ovl;        /* overlay:0 win1 on the top of win0;1,win0 on the top of win1 */
2370         int num_buf;    /* buffer_number */
2371         int ret;
2372         struct rk_fb_win_cfg_data win_data;
2373         unsigned int dsp_addr[4];
2374         int list_stat;
2375
2376         int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2377
2378         void __user *argp = (void __user *)arg;
2379         win = dev_drv->win[win_id];
2380
2381         switch (cmd) {
2382         case RK_FBIOSET_HWC_ADDR:
2383         {
2384                 u32 hwc_phy[1];
2385                 if (copy_from_user(hwc_phy, argp, 4))
2386                         return -EFAULT;
2387 #ifdef CONFIG_ROCKCHIP_IOMMU
2388                 if (!dev_drv->iommu_enabled) {
2389 #endif
2390                         fix->smem_start = hwc_phy[0];
2391 #ifdef CONFIG_ROCKCHIP_IOMMU
2392                 } else {
2393                         int usr_fd;
2394                         struct ion_handle *hdl;
2395                         ion_phys_addr_t phy_addr;
2396                         size_t len;
2397
2398                         usr_fd = hwc_phy[0];
2399                         if (!usr_fd) {
2400                                 fix->smem_start = 0;
2401                                 fix->mmio_start = 0;
2402                                 dev_drv->ops->open(dev_drv, win_id, 0);
2403                                 break;
2404                         }
2405
2406                         if (ion_hwc[0] != 0) {
2407                                 ion_free(rk_fb->ion_client, ion_hwc[0]);
2408                                 ion_hwc[0] = 0;
2409                         }
2410
2411                         hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2412                         if (IS_ERR(hdl)) {
2413                                 dev_err(info->dev, "failed to get hwc ion handle:%ld\n",
2414                                         PTR_ERR(hdl));
2415                                 return -EFAULT;
2416                         }
2417
2418                         ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2419                                                 (unsigned long *)&phy_addr,
2420                                                 (unsigned long *)&len);
2421                         if (ret < 0) {
2422                                 dev_err(info->dev, "ion map to get hwc phy addr failed");
2423                                 ion_free(rk_fb->ion_client, hdl);
2424                                 return -ENOMEM;
2425                         }
2426                         fix->smem_start = phy_addr;
2427                         ion_hwc[0] = hdl;
2428                 }
2429 #endif
2430                 break;
2431         }
2432         case RK_FBIOSET_YUV_ADDR:
2433                 {
2434                         u32 yuv_phy[2];
2435
2436                         if (copy_from_user(yuv_phy, argp, 8))
2437                                 return -EFAULT;
2438                         #ifdef CONFIG_ROCKCHIP_IOMMU
2439                         if (!dev_drv->iommu_enabled || !strcmp(info->fix.id, "fb0")) {
2440                         #endif
2441                                 fix->smem_start = yuv_phy[0];
2442                                 fix->mmio_start = yuv_phy[1];
2443                         #ifdef CONFIG_ROCKCHIP_IOMMU
2444                         } else {
2445                                 int usr_fd, offset, tmp;
2446                                 struct ion_handle *hdl;
2447                                 ion_phys_addr_t phy_addr;
2448                                 size_t len;
2449
2450                                 usr_fd = yuv_phy[0];
2451                                 offset = yuv_phy[1] - yuv_phy[0];
2452                                 if (!usr_fd) {
2453                                         fix->smem_start = 0;
2454                                         fix->mmio_start = 0;
2455                                         break;
2456                                 }
2457
2458                                 if (ion_hanle[ION_MAX - 1] != 0) {
2459                                         /*ion_unmap_kernel(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);*/
2460                                         /*ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client, ion_hanle[ION_MAX - 1]);*/
2461                                         ion_free(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);
2462                                         ion_hanle[ION_MAX - 1] = 0;
2463                                 }
2464
2465                                 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2466                                 if (IS_ERR(hdl)) {
2467                                         dev_err(info->dev, "failed to get ion handle:%ld\n",
2468                                                 PTR_ERR(hdl));
2469                                         return -EFAULT;
2470                                 }
2471
2472                                 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2473                                                         (unsigned long *)&phy_addr,
2474                                                         (unsigned long *)&len);
2475                                 if (ret < 0) {
2476                                         dev_err(info->dev, "ion map to get phy addr failed");
2477                                         ion_free(rk_fb->ion_client, hdl);
2478                                         return -ENOMEM;
2479                                 }
2480                                 fix->smem_start = phy_addr;
2481                                 fix->mmio_start = phy_addr + offset;
2482                                 fix->smem_len = len;
2483                                 /*info->screen_base = ion_map_kernel(rk_fb->ion_client, hdl);*/
2484
2485                                 ion_hanle[0] = hdl;
2486                                 for (tmp = ION_MAX - 1; tmp > 0; tmp--)
2487                                         ion_hanle[tmp] = ion_hanle[tmp - 1];
2488                                 ion_hanle[0] = 0;
2489                         }
2490                         #endif
2491                         break;
2492                 }
2493         case RK_FBIOSET_ENABLE:
2494                 if (copy_from_user(&enable, argp, sizeof(enable)))
2495                         return -EFAULT;
2496                                 if (enable)
2497                                         fb_par->state++;
2498                                 else
2499                                         fb_par->state--;
2500                 dev_drv->ops->open(dev_drv, win_id, enable);
2501                 break;
2502         case RK_FBIOGET_ENABLE:
2503                 enable = dev_drv->ops->get_win_state(dev_drv, win_id);
2504                 if (copy_to_user(argp, &enable, sizeof(enable)))
2505                         return -EFAULT;
2506                 break;
2507         case RK_FBIOSET_OVERLAY_STA:
2508                 if (copy_from_user(&ovl, argp, sizeof(ovl)))
2509                         return -EFAULT;
2510                 dev_drv->ops->ovl_mgr(dev_drv, ovl, 1);
2511                 break;
2512         case RK_FBIOGET_OVERLAY_STA:
2513                 ovl = dev_drv->ops->ovl_mgr(dev_drv, 0, 0);
2514                 if (copy_to_user(argp, &ovl, sizeof(ovl)))
2515                         return -EFAULT;
2516                 break;
2517         case RK_FBIOPUT_NUM_BUFFERS:
2518                 if (copy_from_user(&num_buf, argp, sizeof(num_buf)))
2519                         return -EFAULT;
2520                 dev_drv->num_buf = num_buf;
2521                 break;
2522         case RK_FBIOSET_VSYNC_ENABLE:
2523                 if (copy_from_user(&enable, argp, sizeof(enable)))
2524                         return -EFAULT;
2525                 dev_drv->vsync_info.active = enable;
2526                 break;
2527
2528         case RK_FBIOGET_DSP_ADDR:
2529                 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
2530                 if (copy_to_user(argp, &dsp_addr, sizeof(dsp_addr)))
2531                         return -EFAULT;
2532                 break;
2533         case RK_FBIOGET_LIST_STA:
2534                 list_stat = rk_fb_get_list_stat(dev_drv);
2535                 if (copy_to_user(argp, &list_stat, sizeof(list_stat)))
2536                         return -EFAULT;
2537
2538                 break;
2539         case RK_FBIOGET_IOMMU_STA:
2540                 if (copy_to_user(argp, &dev_drv->iommu_enabled,
2541                                  sizeof(dev_drv->iommu_enabled)))
2542                         return -EFAULT;
2543                 break;
2544 #if defined(CONFIG_ION_ROCKCHIP)
2545         case RK_FBIOSET_DMABUF_FD:
2546                 {
2547                         int usr_fd;
2548                         struct ion_handle *hdl;
2549                         ion_phys_addr_t phy_addr;
2550                         size_t len;
2551                         if (copy_from_user(&usr_fd, argp, sizeof(usr_fd)))
2552                                 return -EFAULT;
2553                         hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2554                         ion_phys(rk_fb->ion_client, hdl, &phy_addr, &len);
2555                         fix->smem_start = phy_addr;
2556                         break;
2557                 }
2558         case RK_FBIOGET_DMABUF_FD:
2559                 {
2560                         int fd = -1;
2561
2562                         if (IS_ERR_OR_NULL(fb_par->ion_hdl)) {
2563                                 dev_err(info->dev,
2564                                         "get dma_buf fd failed,ion handle is err\n");
2565                                 return PTR_ERR(fb_par->ion_hdl);
2566                         }
2567                         fd = ion_share_dma_buf_fd(rk_fb->ion_client,
2568                                                   fb_par->ion_hdl);
2569                         if (fd < 0) {
2570                                 dev_err(info->dev,
2571                                         "ion_share_dma_buf_fd failed\n");
2572                                 return fd;
2573                         }
2574                         if (copy_to_user(argp, &fd, sizeof(fd)))
2575                                 return -EFAULT;
2576                         break;
2577                 }
2578 #endif
2579         case RK_FBIOSET_CLEAR_FB:
2580                 memset(fb_par->fb_virt_base, 0, fb_par->fb_size);
2581                 break;
2582         case RK_FBIOSET_CONFIG_DONE:
2583                 {
2584                         int curr = 0;
2585                         struct timespec now;
2586
2587                         getnstimeofday(&now);
2588                         curr = now.tv_sec * 1000000 + now.tv_nsec / 1000;
2589                         cfgdone_distlist[cfgdone_index++] =
2590                             curr - cfgdone_lasttime;
2591                         /*
2592                            printk("%d ", curr - cfgdone_lasttime);
2593                          */
2594                         cfgdone_lasttime = curr;
2595                         if (cfgdone_index >= 10)
2596                                 cfgdone_index = 0;
2597                 }
2598                 if (copy_from_user(&win_data,
2599                                    (struct rk_fb_win_cfg_data __user *)argp,
2600                                    sizeof(win_data))) {
2601                         ret = -EFAULT;
2602                         break;
2603                 };
2604
2605                 dev_drv->wait_fs = win_data.wait_fs;
2606                 rk_fb_set_win_config(info, &win_data);
2607
2608                 if (copy_to_user((struct rk_fb_win_cfg_data __user *)arg,
2609                                  &win_data, sizeof(win_data))) {
2610                         ret = -EFAULT;
2611                         break;
2612                 }
2613                 memset(&win_data, 0, sizeof(struct rk_fb_win_cfg_data));
2614                 break;
2615         default:
2616                 dev_drv->ops->ioctl(dev_drv, cmd, arg, win_id);
2617                 break;
2618         }
2619
2620         return 0;
2621 }
2622
2623 static int rk_fb_blank(int blank_mode, struct fb_info *info)
2624 {
2625         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2626         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2627         struct fb_fix_screeninfo *fix = &info->fix;
2628         int win_id;
2629 #if defined(CONFIG_RK_HDMI)
2630         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2631 #endif
2632
2633         win_id = dev_drv->ops->fb_get_win_id(dev_drv, fix->id);
2634         if (win_id < 0)
2635                 return -ENODEV;
2636 #if defined(CONFIG_RK_HDMI)
2637         if ((rk_fb->disp_mode == ONE_DUAL) &&
2638             (hdmi_get_hotplug() == HDMI_HPD_ACTIVED)) {
2639                 printk(KERN_INFO "hdmi is connect , not blank lcdc\n");
2640         } else
2641 #endif
2642         {
2643                 dev_drv->ops->blank(dev_drv, win_id, blank_mode);
2644         }
2645         return 0;
2646 }
2647
2648 static int rk_fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
2649 {
2650         if ((0 == var->xres_virtual) || (0 == var->yres_virtual) ||
2651             (0 == var->xres) || (0 == var->yres) || (var->xres < 16) ||
2652             ((16 != var->bits_per_pixel) &&
2653             (32 != var->bits_per_pixel) &&
2654             (24 != var->bits_per_pixel))) {
2655                 dev_err(info->dev, "%s check var fail 1:\n"
2656                         "xres_vir:%d>>yres_vir:%d\n"
2657                         "xres:%d>>yres:%d\n"
2658                         "bits_per_pixel:%d\n",
2659                         info->fix.id,
2660                         var->xres_virtual,
2661                         var->yres_virtual,
2662                         var->xres, var->yres, var->bits_per_pixel);
2663                 return -EINVAL;
2664         }
2665
2666         if (((var->xoffset + var->xres) > var->xres_virtual) ||
2667             ((var->yoffset + var->yres) > (var->yres_virtual))) {
2668                 dev_err(info->dev, "%s check_var fail 2:\n"
2669                         "xoffset:%d>>xres:%d>>xres_vir:%d\n"
2670                         "yoffset:%d>>yres:%d>>yres_vir:%d\n",
2671                         info->fix.id,
2672                         var->xoffset,
2673                         var->xres,
2674                         var->xres_virtual,
2675                         var->yoffset, var->yres, var->yres_virtual);
2676                 return -EINVAL;
2677         }
2678
2679         return 0;
2680 }
2681
2682 static ssize_t rk_fb_read(struct fb_info *info, char __user *buf,
2683                           size_t count, loff_t *ppos)
2684 {
2685         unsigned long p = *ppos;
2686         u8 *buffer, *dst;
2687         u8 __iomem *src;
2688         int c, cnt = 0, err = 0;
2689         unsigned long total_size;
2690         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2691         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2692         struct rk_lcdc_win *win = NULL;
2693         int win_id = 0;
2694
2695         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2696         if (win_id < 0)
2697                 return -ENODEV;
2698         else
2699                 win = dev_drv->win[win_id];
2700
2701         /* only read the current frame buffer */
2702         if (win->area[0].format == RGB565) {
2703                 total_size = win->area[0].y_vir_stride * win->area[0].yact << 1;
2704         } else if ((win->area[0].format == YUV420) ||
2705                    (win->area[0].format == YUV420_NV21)) {
2706                 total_size =
2707                     (win->area[0].y_vir_stride * win->area[0].yact * 6);
2708         } else {
2709                 total_size = win->area[0].y_vir_stride * win->area[0].yact << 2;
2710         }
2711         if (p >= total_size)
2712                 return 0;
2713
2714         if (count >= total_size)
2715                 count = total_size;
2716
2717         if (count + p > total_size)
2718                 count = total_size - p;
2719
2720         buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
2721         if (!buffer)
2722                 return -ENOMEM;
2723
2724         src = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
2725
2726         while (count) {
2727                 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
2728                 dst = buffer;
2729                 fb_memcpy_fromfb(dst, src, c);
2730                 dst += c;
2731                 src += c;
2732
2733                 if (copy_to_user(buf, buffer, c)) {
2734                         err = -EFAULT;
2735                         break;
2736                 }
2737                 *ppos += c;
2738                 buf += c;
2739                 cnt += c;
2740                 count -= c;
2741         }
2742
2743         kfree(buffer);
2744
2745         return (err) ? err : cnt;
2746 }
2747
2748 static ssize_t rk_fb_write(struct fb_info *info, const char __user *buf,
2749                            size_t count, loff_t *ppos)
2750 {
2751         unsigned long p = *ppos;
2752         u8 *buffer, *src;
2753         u8 __iomem *dst;
2754         int c, cnt = 0, err = 0;
2755         unsigned long total_size;
2756         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2757         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2758         struct rk_lcdc_win *win = NULL;
2759         int win_id = 0;
2760
2761         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2762         if (win_id < 0)
2763                 return -ENODEV;
2764         else
2765                 win = dev_drv->win[win_id];
2766
2767         /* write the current frame buffer */
2768         if (win->area[0].format == RGB565)
2769                 total_size = win->area[0].xact * win->area[0].yact << 1;
2770         else
2771                 total_size = win->area[0].xact * win->area[0].yact << 2;
2772
2773         if (p > total_size)
2774                 return -EFBIG;
2775
2776         if (count > total_size) {
2777                 err = -EFBIG;
2778                 count = total_size;
2779         }
2780
2781         if (count + p > total_size) {
2782                 if (!err)
2783                         err = -ENOSPC;
2784
2785                 count = total_size - p;
2786         }
2787
2788         buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
2789         if (!buffer)
2790                 return -ENOMEM;
2791
2792         dst = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
2793
2794         while (count) {
2795                 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
2796                 src = buffer;
2797
2798                 if (copy_from_user(src, buf, c)) {
2799                         err = -EFAULT;
2800                         break;
2801                 }
2802
2803                 fb_memcpy_tofb(dst, src, c);
2804                 dst += c;
2805                 src += c;
2806                 *ppos += c;
2807                 buf += c;
2808                 cnt += c;
2809                 count -= c;
2810         }
2811
2812         kfree(buffer);
2813
2814         return (cnt) ? cnt : err;
2815 }
2816
2817 static int rk_fb_set_par(struct fb_info *info)
2818 {
2819         struct fb_var_screeninfo *var = &info->var;
2820         struct fb_fix_screeninfo *fix = &info->fix;
2821         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2822         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2823         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2824         struct rk_lcdc_win *win = NULL;
2825         struct rk_screen *screen = dev_drv->cur_screen;
2826         int win_id = 0;
2827         u32 cblen = 0, crlen = 0;
2828         u16 xsize = 0, ysize = 0;       /* winx display window height/width --->LCDC_WINx_DSP_INFO */
2829         u32 xoffset = var->xoffset;     /* offset from virtual to visible */
2830         u32 yoffset = var->yoffset;
2831         u16 xpos = (var->nonstd >> 8) & 0xfff;  /*visiable pos in panel */
2832         u16 ypos = (var->nonstd >> 20) & 0xfff;
2833         u32 xvir = var->xres_virtual;
2834         u32 yvir = var->yres_virtual;
2835         u8 data_format = var->nonstd & 0xff;
2836         u8 fb_data_fmt;
2837         u8 pixel_width;
2838         u32 vir_width_bit;
2839         u32 stride, uv_stride;
2840         u32 stride_32bit_1;
2841         u32 stride_32bit_2;
2842         u16 uv_x_off, uv_y_off, uv_y_act;
2843         u8 is_pic_yuv = 0;
2844         /*var->pixclock = dev_drv->pixclock;*/
2845         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2846         if (win_id < 0)
2847                 return -ENODEV;
2848         else
2849                 win = dev_drv->win[win_id];
2850
2851         /* if the application has specific the horizontal and vertical display size */
2852         if (var->grayscale >> 8) {
2853                 xsize = (var->grayscale >> 8) & 0xfff;
2854                 ysize = (var->grayscale >> 20) & 0xfff;
2855                 if (xsize > screen->mode.xres)
2856                         xsize = screen->mode.xres;
2857                 if (ysize > screen->mode.yres)
2858                         ysize = screen->mode.yres;
2859         } else {                /*ohterwise  full  screen display */
2860                 xsize = screen->mode.xres;
2861                 ysize = screen->mode.yres;
2862         }
2863
2864         fb_data_fmt = rk_fb_data_fmt(data_format, var->bits_per_pixel);
2865         if (fb_data_fmt >= FBDC_RGB_565) {
2866                 win->area[0].fbdc_en = 1;
2867                 win->area[0].fbdc_cor_en = 1;
2868         } else {
2869                 win->area[0].fbdc_en = 0;
2870                 win->area[0].fbdc_cor_en = 0;
2871         }
2872         pixel_width = rk_fb_pixel_width(fb_data_fmt);
2873         vir_width_bit = pixel_width * xvir;
2874         /* pixel_width = byte_num * 8 */
2875         stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
2876         stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
2877
2878         switch (fb_data_fmt) {
2879         case YUV422:
2880         case YUV422_A:
2881                 is_pic_yuv = 1;
2882                 stride = stride_32bit_1;
2883                 uv_stride = stride_32bit_1 >> 1;
2884                 uv_x_off = xoffset >> 1;
2885                 uv_y_off = yoffset;
2886                 fix->line_length = stride;
2887                 cblen = crlen = (xvir * yvir) >> 1;
2888                 uv_y_act = win->area[0].yact >> 1;
2889                 break;
2890         case YUV420:            /* nv12 */
2891         case YUV420_NV21:       /* nv21 */
2892         case YUV420_A:
2893                 is_pic_yuv = 1;
2894                 stride = stride_32bit_1;
2895                 uv_stride = stride_32bit_1;
2896                 uv_x_off = xoffset;
2897                 uv_y_off = yoffset >> 1;
2898                 fix->line_length = stride;
2899                 cblen = crlen = (xvir * yvir) >> 2;
2900                 uv_y_act = win->area[0].yact >> 1;
2901                 break;
2902         case YUV444:
2903         case YUV444_A:
2904                 is_pic_yuv = 1;
2905                 stride = stride_32bit_1;
2906                 uv_stride = stride_32bit_2;
2907                 uv_x_off = xoffset * 2;
2908                 uv_y_off = yoffset;
2909                 fix->line_length = stride << 2;
2910                 cblen = crlen = (xvir * yvir);
2911                 uv_y_act = win->area[0].yact;
2912                 break;
2913         default:
2914                 stride = stride_32bit_1;        /* default rgb */
2915                 fix->line_length = stride;
2916                 break;
2917         }
2918
2919         win->area[0].format = fb_data_fmt;
2920         win->area[0].y_vir_stride = stride >> 2;
2921         win->area[0].uv_vir_stride = uv_stride >> 2;
2922         win->area[0].xpos = xpos;
2923         win->area[0].ypos = ypos;
2924         win->area[0].xsize = xsize;
2925         win->area[0].ysize = ysize;
2926         win->area[0].xact = var->xres;  /* winx active window height,is a wint of vir */
2927         win->area[0].yact = var->yres;
2928         win->area[0].xvir = var->xres_virtual;  /* virtual resolution  stride --->LCDC_WINx_VIR */
2929         win->area[0].yvir = var->yres_virtual;
2930         win->area[0].xoff = xoffset;
2931         win->area[0].yoff = yoffset;
2932
2933         win->area_num = 1;
2934         win->alpha_mode = 4;    /* AB_SRC_OVER; */
2935         win->alpha_en = ((win->area[0].format == ARGB888) ||
2936                          (win->area[0].format == FBDC_ARGB_888) ||
2937                          (win->area[0].format == FBDC_ABGR_888) ||
2938                          (win->area[0].format == ABGR888)) ? 1 : 0;
2939         win->g_alpha_val = 0;
2940
2941         if (rk_fb->disp_policy == DISPLAY_POLICY_BOX &&
2942             (win->area[0].format == YUV420 ||
2943              win->area[0].format == YUV420_NV21 ||
2944              win->area[0].format == YUV420_A))
2945                 win->state = 1;
2946
2947         dev_drv->ops->set_par(dev_drv, win_id);
2948
2949         return 0;
2950 }
2951
2952 static inline unsigned int chan_to_field(unsigned int chan,
2953                                          struct fb_bitfield *bf)
2954 {
2955         chan &= 0xffff;
2956         chan >>= 16 - bf->length;
2957         return chan << bf->offset;
2958 }
2959
2960 static int fb_setcolreg(unsigned regno,
2961                         unsigned red, unsigned green, unsigned blue,
2962                         unsigned transp, struct fb_info *info)
2963 {
2964         unsigned int val;
2965
2966         switch (info->fix.visual) {
2967         case FB_VISUAL_TRUECOLOR:
2968                 /* true-colour, use pseudo-palette */
2969                 if (regno < 16) {
2970                         u32 *pal = info->pseudo_palette;
2971                         val = chan_to_field(red, &info->var.red);
2972                         val |= chan_to_field(green, &info->var.green);
2973                         val |= chan_to_field(blue, &info->var.blue);
2974                         pal[regno] = val;
2975                 }
2976                 break;
2977         default:
2978                 return -1;      /* unknown type */
2979         }
2980
2981         return 0;
2982 }
2983
2984 static int rk_fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
2985 {
2986         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
2987         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2988         struct ion_handle *handle = fb_par->ion_hdl;
2989         struct dma_buf *dma_buf = NULL;
2990
2991         if (IS_ERR_OR_NULL(handle)) {
2992                 dev_err(info->dev, "failed to get ion handle:%ld\n",
2993                         PTR_ERR(handle));
2994                 return -ENOMEM;
2995         }
2996         dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
2997         if (IS_ERR_OR_NULL(dma_buf)) {
2998                 printk("get ion share dma buf failed\n");
2999                 return -ENOMEM;
3000         }
3001
3002         vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
3003
3004         return dma_buf_mmap(dma_buf, vma, 0);
3005 }
3006
3007 static struct fb_ops fb_ops = {
3008         .owner = THIS_MODULE,
3009         .fb_open = rk_fb_open,
3010         .fb_release = rk_fb_close,
3011         .fb_check_var = rk_fb_check_var,
3012         .fb_set_par = rk_fb_set_par,
3013         .fb_blank = rk_fb_blank,
3014         .fb_ioctl = rk_fb_ioctl,
3015         .fb_compat_ioctl = rk_fb_ioctl,
3016         .fb_pan_display = rk_fb_pan_display,
3017         .fb_read = rk_fb_read,
3018         .fb_write = rk_fb_write,
3019         .fb_setcolreg = fb_setcolreg,
3020         .fb_fillrect = cfb_fillrect,
3021         .fb_copyarea = cfb_copyarea,
3022         .fb_imageblit = cfb_imageblit,
3023 };
3024
3025 static struct fb_var_screeninfo def_var = {
3026 #if defined(CONFIG_LOGO_LINUX_BMP)
3027         .red = {16, 8, 0},
3028         .green = {8, 8, 0},
3029         .blue = {0, 8, 0},
3030         .transp = {0, 0, 0},
3031         .nonstd = HAL_PIXEL_FORMAT_BGRA_8888,
3032 #else
3033         .red = {11, 5, 0},
3034         .green = {5, 6, 0},
3035         .blue = {0, 5, 0},
3036         .transp = {0, 0, 0},
3037         .nonstd = HAL_PIXEL_FORMAT_RGB_565,     /* (ypos<<20+xpos<<8+format) format */
3038 #endif
3039         .grayscale = 0,         /* (ysize<<20+xsize<<8) */
3040         .activate = FB_ACTIVATE_NOW,
3041         .accel_flags = 0,
3042         .vmode = FB_VMODE_NONINTERLACED,
3043 };
3044
3045 static struct fb_fix_screeninfo def_fix = {
3046         .type = FB_TYPE_PACKED_PIXELS,
3047         .type_aux = 0,
3048         .xpanstep = 1,
3049         .ypanstep = 1,
3050         .ywrapstep = 0,
3051         .accel = FB_ACCEL_NONE,
3052         .visual = FB_VISUAL_TRUECOLOR,
3053
3054 };
3055
3056 static int rk_fb_wait_for_vsync_thread(void *data)
3057 {
3058         struct rk_lcdc_driver *dev_drv = data;
3059         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3060         struct fb_info *fbi = rk_fb->fb[0];
3061
3062         while (!kthread_should_stop()) {
3063                 ktime_t timestamp = dev_drv->vsync_info.timestamp;
3064                 int ret = wait_event_interruptible(dev_drv->vsync_info.wait,
3065                                 !ktime_equal(timestamp, dev_drv->vsync_info.timestamp) &&
3066                                 (dev_drv->vsync_info.active || dev_drv->vsync_info.irq_stop));
3067
3068                 if (!ret)
3069                         sysfs_notify(&fbi->dev->kobj, NULL, "vsync");
3070         }
3071
3072         return 0;
3073 }
3074
3075 static ssize_t rk_fb_vsync_show(struct device *dev,
3076                                 struct device_attribute *attr, char *buf)
3077 {
3078         struct fb_info *fbi = dev_get_drvdata(dev);
3079         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3080         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3081         return scnprintf(buf, PAGE_SIZE, "%llu\n",
3082                          ktime_to_ns(dev_drv->vsync_info.timestamp));
3083 }
3084
3085 static DEVICE_ATTR(vsync, S_IRUGO, rk_fb_vsync_show, NULL);
3086
3087 /*
3088  * this two function is for other module that in the kernel which
3089  * need show image directly through fb
3090  * fb_id:we have 4 fb here,default we use fb0 for ui display
3091  */
3092 struct fb_info *rk_get_fb(int fb_id)
3093 {
3094         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3095         struct fb_info *fb = inf->fb[fb_id];
3096         return fb;
3097 }
3098 EXPORT_SYMBOL(rk_get_fb);
3099
3100 void rk_direct_fb_show(struct fb_info *fbi)
3101 {
3102         rk_fb_set_par(fbi);
3103         rk_fb_pan_display(&fbi->var, fbi);
3104 }
3105 EXPORT_SYMBOL(rk_direct_fb_show);
3106
3107 int rk_fb_dpi_open(bool open)
3108 {
3109         struct rk_lcdc_driver *dev_drv = NULL;
3110         dev_drv = rk_get_prmry_lcdc_drv();
3111
3112         if (dev_drv->ops->dpi_open)
3113                 dev_drv->ops->dpi_open(dev_drv, open);
3114         return 0;
3115 }
3116
3117 int rk_fb_dpi_win_sel(int win_id)
3118 {
3119         struct rk_lcdc_driver *dev_drv = NULL;
3120         dev_drv = rk_get_prmry_lcdc_drv();
3121
3122         if (dev_drv->ops->dpi_win_sel)
3123                 dev_drv->ops->dpi_win_sel(dev_drv, win_id);
3124         return 0;
3125 }
3126
3127 int rk_fb_dpi_status(void)
3128 {
3129         int ret = 0;
3130         struct rk_lcdc_driver *dev_drv = NULL;
3131
3132         dev_drv = rk_get_prmry_lcdc_drv();
3133         if (dev_drv->ops->dpi_status)
3134                 ret = dev_drv->ops->dpi_status(dev_drv);
3135
3136         return ret;
3137 }
3138
3139 /*
3140  * function: this function will be called by display device, enable/disable lcdc
3141  * @screen: screen timing to be set to lcdc
3142  * @enable: 0 disable lcdc; 1 enable change lcdc timing; 2 just enable dclk
3143  * @lcdc_id: the lcdc id the display device attached ,0 or 1
3144  */
3145 int rk_fb_switch_screen(struct rk_screen *screen, int enable, int lcdc_id)
3146 {
3147         struct rk_fb *rk_fb =  platform_get_drvdata(fb_pdev);
3148         struct fb_info *info = NULL;
3149         struct rk_fb_par *fb_par = NULL;
3150         struct rk_lcdc_driver *dev_drv = NULL;
3151         char name[6] = {0};
3152         int i, win_id, load_screen = 0;
3153         char *envp[3];
3154
3155         if (unlikely(!rk_fb) || unlikely(!screen))
3156                 return -ENODEV;
3157
3158         /* get lcdc driver */
3159         sprintf(name, "lcdc%d", lcdc_id);
3160         if (rk_fb->disp_mode != DUAL)
3161                 dev_drv = rk_fb->lcdc_dev_drv[0];
3162         else
3163                 dev_drv = rk_get_lcdc_drv(name);
3164
3165         if (dev_drv == NULL) {
3166                 printk(KERN_ERR "%s driver not found!", name);
3167                 return -ENODEV;
3168         }
3169         if (screen->type == SCREEN_HDMI)
3170                 printk("hdmi %s lcdc%d\n", enable ? "connect to" : "remove from",
3171                         dev_drv->id);
3172         else if (screen->type == SCREEN_TVOUT ||
3173                      screen->type == SCREEN_TVOUT_TEST )
3174                 printk("cvbs %s lcdc%d\n", enable ? "connect to" : "remove from",
3175                         dev_drv->id);
3176         if (enable == 2 /*&& dev_drv->enable*/)
3177                 return 0;
3178         pr_info("switch:en=%d,lcdc_id=%d,screen type=%d,cur type=%d\n",
3179                 enable, lcdc_id, screen->type, dev_drv->cur_screen->type);
3180
3181         mutex_lock(&dev_drv->switch_screen);
3182         hdmi_switch_state = 0;
3183         dev_drv->hdmi_switch = 1;
3184
3185         envp[0] = "switch screen";
3186         envp[1] = kmalloc(32, GFP_KERNEL);
3187         if (envp[1] == NULL) {
3188                 pr_err("switch screen kmalloc envp[1] fail\n");
3189                 mutex_unlock(&dev_drv->switch_screen);
3190                 return 0;
3191         }
3192         sprintf(envp[1], "SCREEN=%d,ENABLE=%d", screen->type, enable);
3193         envp[2] = NULL;
3194
3195         if ((rk_fb->disp_mode == ONE_DUAL) ||
3196             (rk_fb->disp_mode == NO_DUAL)) {
3197                 if ((dev_drv->ops->backlight_close) &&
3198                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
3199                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX_TEMP))
3200                         dev_drv->ops->backlight_close(dev_drv, 1);
3201                 if (dev_drv->ops->dsp_black)
3202                         dev_drv->ops->dsp_black(dev_drv, 1);
3203                 if ((dev_drv->ops->set_screen_scaler) &&
3204                     (rk_fb->disp_mode == ONE_DUAL))
3205                         dev_drv->ops->set_screen_scaler(dev_drv,
3206                                                         dev_drv->screen0, 0);
3207         }
3208         if (dev_drv->uboot_logo && (screen->type != dev_drv->cur_screen->type))
3209                dev_drv->uboot_logo = 0;
3210         if (!enable) {
3211                 /* if screen type is different, we do not disable lcdc. */
3212                 if (dev_drv->cur_screen->type != screen->type) {
3213                         dev_drv->hdmi_switch = 0;
3214                         mutex_unlock(&dev_drv->switch_screen);
3215                         return 0;
3216                 }
3217
3218                 /* if used one lcdc to dual disp, no need to close win */
3219                 if ((rk_fb->disp_mode == ONE_DUAL) ||
3220                     ((rk_fb->disp_mode == NO_DUAL) &&
3221                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
3222                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX_TEMP))) {
3223                         dev_drv->cur_screen = dev_drv->screen0;
3224                         dev_drv->ops->load_screen(dev_drv, 1);
3225                         /* force modify dsp size */
3226                         info = rk_fb->fb[dev_drv->fb_index_base];
3227                         info->var.grayscale &= 0xff;
3228                         info->var.grayscale |=
3229                                 (dev_drv->cur_screen->mode.xres << 8) +
3230                                 (dev_drv->cur_screen->mode.yres << 20);
3231                         mutex_lock(&dev_drv->win_config);
3232                         info->var.yoffset = 0;
3233                         info->fbops->fb_set_par(info);
3234                         info->fbops->fb_pan_display(&info->var, info);
3235                         mutex_unlock(&dev_drv->win_config);
3236
3237                         /*if (dev_drv->ops->dsp_black)
3238                                 dev_drv->ops->dsp_black(dev_drv, 0);*/
3239                         if ((dev_drv->ops->backlight_close) &&
3240                             (rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
3241                             (rk_fb->disp_policy != DISPLAY_POLICY_BOX_TEMP))
3242                                 dev_drv->ops->backlight_close(dev_drv, 0);
3243                 } else if (rk_fb->num_lcdc > 1) {
3244                         /* If there is more than one lcdc device, we disable
3245                            the layer which attached to this device */
3246                         dev_drv->suspend_flag = 1;
3247                         flush_kthread_worker(&dev_drv->update_regs_worker);
3248                         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3249                                 if (dev_drv->win[i] && dev_drv->win[i]->state)
3250                                         dev_drv->ops->open(dev_drv, i, 0);
3251                         }
3252                 }
3253                 kobject_uevent_env(&dev_drv->dev->kobj, KOBJ_CHANGE, envp);
3254                 kfree(envp[1]);
3255
3256                 hdmi_switch_state = 0;
3257                 dev_drv->hdmi_switch = 0;
3258                 mutex_unlock(&dev_drv->switch_screen);
3259                 return 0;
3260         } else {
3261                 if (dev_drv->screen1)
3262                         dev_drv->cur_screen = dev_drv->screen1;
3263
3264                 memcpy(dev_drv->cur_screen, screen, sizeof(struct rk_screen));
3265                 dev_drv->cur_screen->xsize = dev_drv->cur_screen->mode.xres;
3266                 dev_drv->cur_screen->ysize = dev_drv->cur_screen->mode.yres;
3267                 dev_drv->cur_screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3268                 dev_drv->cur_screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3269         }
3270         if ((!dev_drv->uboot_logo) ||
3271             ((rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
3272             (rk_fb->disp_policy != DISPLAY_POLICY_BOX_TEMP))) {
3273                 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3274                         info = rk_fb->fb[dev_drv->fb_index_base + i];
3275                         fb_par = (struct rk_fb_par *)info->par;
3276                         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3277                         if (dev_drv->win[win_id]) {
3278                                 if (fb_par->state) {
3279                                         if (!dev_drv->win[win_id]->state) {
3280                                                 dev_drv->ops->open(dev_drv, win_id, 1);
3281                                                 dev_drv->suspend_flag = 0;
3282                                         }
3283                                         if (!load_screen) {
3284                                                 dev_drv->ops->load_screen(dev_drv, 1);
3285                                                 load_screen = 1;
3286                                         }
3287                                         info->var.activate |= FB_ACTIVATE_FORCE;
3288                                         if (rk_fb->disp_mode == ONE_DUAL) {
3289                                                 info->var.grayscale &= 0xff;
3290                                                 info->var.grayscale |=
3291                                                         (dev_drv->cur_screen->xsize << 8) +
3292                                                         (dev_drv->cur_screen->ysize << 20);
3293                                         }
3294
3295                                         mutex_lock(&dev_drv->win_config);
3296                                         info->var.yoffset = 0;
3297                                         info->fbops->fb_set_par(info);
3298                                         info->fbops->fb_pan_display(&info->var, info);
3299                                         mutex_unlock(&dev_drv->win_config);
3300                                 }
3301                         }
3302                 }
3303         }else {
3304                 dev_drv->uboot_logo = 0;
3305         }
3306         kobject_uevent_env(&dev_drv->dev->kobj, KOBJ_CHANGE, envp);
3307         kfree(envp[1]);
3308
3309         hdmi_switch_state = 1;
3310         dev_drv->hdmi_switch = 0;
3311         if ((rk_fb->disp_mode == ONE_DUAL) || (rk_fb->disp_mode == NO_DUAL)) {
3312                 if ((dev_drv->ops->set_screen_scaler) &&
3313                     (rk_fb->disp_mode == ONE_DUAL))
3314                         dev_drv->ops->set_screen_scaler(dev_drv, dev_drv->screen0, 1);
3315                 /*if (dev_drv->ops->dsp_black)
3316                         dev_drv->ops->dsp_black(dev_drv, 0);*/
3317                 if ((dev_drv->ops->backlight_close) &&
3318                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
3319                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX_TEMP) &&
3320                     (rk_fb->disp_mode == ONE_DUAL))
3321                         dev_drv->ops->backlight_close(dev_drv, 0);
3322         }
3323         mutex_unlock(&dev_drv->switch_screen);
3324         return 0;
3325 }
3326
3327 /*
3328  * function:this function current only called by hdmi for
3329  *      scale the display
3330  * scale_x: scale rate of x resolution
3331  * scale_y: scale rate of y resolution
3332  * lcdc_id: the lcdc id the hdmi attached ,0 or 1
3333  */
3334 int rk_fb_disp_scale(u8 scale_x, u8 scale_y, u8 lcdc_id)
3335 {
3336         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3337         struct fb_info *info = NULL;
3338         struct fb_info *pmy_info = NULL;
3339         struct fb_var_screeninfo *var = NULL;
3340         struct rk_lcdc_driver *dev_drv = NULL;
3341         u16 screen_x, screen_y;
3342         u16 xpos, ypos;
3343         char name[6];
3344         struct rk_screen primary_screen;
3345         rk_fb_get_prmry_screen(&primary_screen);
3346         if (primary_screen.type == SCREEN_HDMI) {
3347                 return 0;
3348         }
3349         pr_err("fuck not be hear--%s\n",__func__);
3350
3351         return 0;
3352         sprintf(name, "lcdc%d", lcdc_id);
3353
3354         if (inf->disp_mode == DUAL) {
3355                 dev_drv = rk_get_lcdc_drv(name);
3356                 if (dev_drv == NULL) {
3357                         printk(KERN_ERR "%s driver not found!", name);
3358                         return -ENODEV;
3359                 }
3360         } else {
3361                 dev_drv = inf->lcdc_dev_drv[0];
3362         }
3363
3364         if (inf->num_lcdc == 1) {
3365                 info = inf->fb[0];
3366         } else if (inf->num_lcdc == 2) {
3367                 info = inf->fb[dev_drv->lcdc_win_num];
3368                 pmy_info = inf->fb[0];
3369         }
3370
3371         var = &info->var;
3372         screen_x = dev_drv->cur_screen->mode.xres;
3373         screen_y = dev_drv->cur_screen->mode.yres;
3374
3375         if (inf->disp_mode != DUAL && dev_drv->screen1) {
3376                 dev_drv->cur_screen->xpos =
3377                     (screen_x - screen_x * scale_x / 100) >> 1;
3378                 dev_drv->cur_screen->ypos =
3379                     (screen_y - screen_y * scale_y / 100) >> 1;
3380                 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3381                 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3382         } else {
3383                 xpos = (screen_x - screen_x * scale_x / 100) >> 1;
3384                 ypos = (screen_y - screen_y * scale_y / 100) >> 1;
3385                 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3386                 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3387                 if (inf->disp_mode == ONE_DUAL) {
3388                         var->nonstd &= 0xff;
3389                         var->nonstd |= (xpos << 8) + (ypos << 20);
3390                         var->grayscale &= 0xff;
3391                         var->grayscale |=
3392                                 (dev_drv->cur_screen->xsize << 8) +
3393                                 (dev_drv->cur_screen->ysize << 20);
3394                 }
3395         }
3396
3397         mutex_lock(&dev_drv->win_config);
3398         info->fbops->fb_set_par(info);
3399         dev_drv->ops->cfg_done(dev_drv);
3400         mutex_unlock(&dev_drv->win_config);
3401
3402         return 0;
3403 }
3404
3405 #if defined(CONFIG_ION_ROCKCHIP)
3406 static int rk_fb_alloc_buffer_by_ion(struct fb_info *fbi,
3407                                      struct rk_lcdc_win *win,
3408                                      unsigned long fb_mem_size)
3409 {
3410         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3411         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3412         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3413         struct ion_handle *handle;
3414         ion_phys_addr_t phy_addr;
3415         size_t len;
3416         int ret = 0;
3417
3418         if (dev_drv->iommu_enabled)
3419                 handle = ion_alloc(rk_fb->ion_client, (size_t) fb_mem_size, 0,
3420                                    ION_HEAP(ION_VMALLOC_HEAP_ID), 0);
3421         else
3422                 handle = ion_alloc(rk_fb->ion_client, (size_t) fb_mem_size, 0,
3423                                    ION_HEAP(ION_CMA_HEAP_ID), 0);
3424         if (IS_ERR(handle)) {
3425                 dev_err(fbi->device, "failed to ion_alloc:%ld\n",
3426                         PTR_ERR(handle));
3427                 return -ENOMEM;
3428         }
3429
3430         fb_par->ion_hdl = handle;
3431         win->area[0].dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3432         if (IS_ERR_OR_NULL(win->area[0].dma_buf)) {
3433                 printk("ion_share_dma_buf() failed\n");
3434                 goto err_share_dma_buf;
3435         }
3436         win->area[0].ion_hdl = handle;
3437         if (dev_drv->prop == PRMRY)
3438                 fbi->screen_base = ion_map_kernel(rk_fb->ion_client, handle);
3439 #ifdef CONFIG_ROCKCHIP_IOMMU
3440         if (dev_drv->iommu_enabled && dev_drv->mmu_dev)
3441                 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, handle,
3442                                         (unsigned long *)&phy_addr,
3443                                         (unsigned long *)&len);
3444         else
3445                 ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3446 #else
3447         ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3448 #endif
3449         if (ret < 0) {
3450                 dev_err(fbi->dev, "ion map to get phy addr failed\n");
3451                 goto err_share_dma_buf;
3452         }
3453         fbi->fix.smem_start = phy_addr;
3454         fbi->fix.smem_len = len;
3455         printk(KERN_INFO "alloc_buffer:ion_phy_addr=0x%lx\n", phy_addr);
3456         return 0;
3457
3458 err_share_dma_buf:
3459         ion_free(rk_fb->ion_client, handle);
3460         return -ENOMEM;
3461 }
3462 #endif
3463
3464 static int rk_fb_alloc_buffer(struct fb_info *fbi)
3465 {
3466         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3467         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3468         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3469         struct rk_lcdc_win *win = NULL;
3470         int win_id;
3471         int ret = 0;
3472         unsigned long fb_mem_size;
3473 #if !defined(CONFIG_ION_ROCKCHIP)
3474         dma_addr_t fb_mem_phys;
3475         void *fb_mem_virt;
3476 #endif
3477
3478         win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
3479         if (win_id < 0)
3480                 return -ENODEV;
3481         else
3482                 win = dev_drv->win[win_id];
3483
3484         if (!strcmp(fbi->fix.id, "fb0")) {
3485                 fb_mem_size = get_fb_size(dev_drv->reserved_fb);
3486 #if defined(CONFIG_ION_ROCKCHIP)
3487                 if (rk_fb_alloc_buffer_by_ion(fbi, win, fb_mem_size) < 0)
3488                         return -ENOMEM;
3489 #else
3490                 fb_mem_virt = dma_alloc_writecombine(fbi->dev, fb_mem_size,
3491                                                      &fb_mem_phys, GFP_KERNEL);
3492                 if (!fb_mem_virt) {
3493                         pr_err("%s: Failed to allocate framebuffer\n",
3494                                __func__);
3495                         return -ENOMEM;
3496                 }
3497                 fbi->fix.smem_len = fb_mem_size;
3498                 fbi->fix.smem_start = fb_mem_phys;
3499                 fbi->screen_base = fb_mem_virt;
3500 #endif
3501                 memset(fbi->screen_base, 0, fbi->fix.smem_len);
3502         } else {
3503                 fbi->fix.smem_start = rk_fb->fb[0]->fix.smem_start;
3504                 fbi->fix.smem_len = rk_fb->fb[0]->fix.smem_len;
3505                 fbi->screen_base = rk_fb->fb[0]->screen_base;
3506         }
3507
3508         fbi->screen_size = fbi->fix.smem_len;
3509         fb_par->fb_phy_base = fbi->fix.smem_start;
3510         fb_par->fb_virt_base = fbi->screen_base;
3511         fb_par->fb_size = fbi->fix.smem_len;
3512
3513         pr_info("%s:phy:%lx>>vir:%p>>len:0x%x\n", fbi->fix.id,
3514                        fbi->fix.smem_start, fbi->screen_base,
3515                        fbi->fix.smem_len);
3516         return ret;
3517 }
3518
3519 #if 0
3520 static int rk_release_fb_buffer(struct fb_info *fbi)
3521 {
3522         /* buffer for fb1 and fb3 are alloc by android */
3523         if (!strcmp(fbi->fix.id, "fb1") || !strcmp(fbi->fix.id, "fb3"))
3524                 return 0;
3525         iounmap(fbi->screen_base);
3526         release_mem_region(fbi->fix.smem_start, fbi->fix.smem_len);
3527         return 0;
3528 }
3529 #endif
3530
3531 static int init_lcdc_win(struct rk_lcdc_driver *dev_drv,
3532                          struct rk_lcdc_win *def_win)
3533 {
3534         int i;
3535         int lcdc_win_num = dev_drv->lcdc_win_num;
3536
3537         for (i = 0; i < lcdc_win_num; i++) {
3538                 struct rk_lcdc_win *win = NULL;
3539                 win = kzalloc(sizeof(struct rk_lcdc_win), GFP_KERNEL);
3540                 if (!win) {
3541                         dev_err(dev_drv->dev, "kzmalloc for win fail!");
3542                         return -ENOMEM;
3543                 }
3544
3545                 strcpy(win->name, def_win[i].name);
3546                 win->id = def_win[i].id;
3547                 win->support_3d = def_win[i].support_3d;
3548                 dev_drv->win[i] = win;
3549         }
3550
3551         return 0;
3552 }
3553
3554 static int init_lcdc_device_driver(struct rk_fb *rk_fb,
3555                                    struct rk_lcdc_win *def_win, int index)
3556 {
3557         struct rk_lcdc_driver *dev_drv = rk_fb->lcdc_dev_drv[index];
3558         struct rk_screen *screen = devm_kzalloc(dev_drv->dev,
3559                                                 sizeof(struct rk_screen),
3560                                                 GFP_KERNEL);
3561
3562         if (!screen) {
3563                 dev_err(dev_drv->dev, "malloc screen for lcdc%d fail!",
3564                         dev_drv->id);
3565                 return -ENOMEM;
3566         }
3567
3568         screen->screen_id = 0;
3569         screen->lcdc_id = dev_drv->id;
3570         screen->overscan.left = 100;
3571         screen->overscan.top = 100;
3572         screen->overscan.right = 100;
3573         screen->overscan.bottom = 100;
3574
3575         screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3576         screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3577
3578         dev_drv->screen0 = screen;
3579         dev_drv->cur_screen = screen;
3580         /* devie use one lcdc + rk61x scaler for dual display */
3581         if ((rk_fb->disp_mode == ONE_DUAL) || (rk_fb->disp_mode == NO_DUAL)) {
3582                 struct rk_screen *screen1 =
3583                                 devm_kzalloc(dev_drv->dev,
3584                                              sizeof(struct rk_screen),
3585                                              GFP_KERNEL);
3586                 if (!screen1) {
3587                         dev_err(dev_drv->dev, "malloc screen1 for lcdc%d fail!",
3588                                 dev_drv->id);
3589                         return -ENOMEM;
3590                 }
3591                 screen1->screen_id = 1;
3592                 screen1->lcdc_id = 1;
3593                 dev_drv->screen1 = screen1;
3594         }
3595         sprintf(dev_drv->name, "lcdc%d", dev_drv->id);
3596         init_lcdc_win(dev_drv, def_win);
3597         init_completion(&dev_drv->frame_done);
3598         spin_lock_init(&dev_drv->cpl_lock);
3599         mutex_init(&dev_drv->fb_win_id_mutex);
3600         mutex_init(&dev_drv->win_config);
3601         mutex_init(&dev_drv->front_lock);
3602         mutex_init(&dev_drv->switch_screen);
3603         dev_drv->ops->fb_win_remap(dev_drv, dev_drv->fb_win_map);
3604         dev_drv->first_frame = 1;
3605         dev_drv->overscan.left = 100;
3606         dev_drv->overscan.top = 100;
3607         dev_drv->overscan.right = 100;
3608         dev_drv->overscan.bottom = 100;
3609         rk_disp_pwr_ctr_parse_dt(dev_drv);
3610         if (dev_drv->prop == PRMRY) {
3611                 rk_fb_set_prmry_screen(screen);
3612                 rk_fb_get_prmry_screen(screen);
3613         }
3614         dev_drv->trsm_ops = rk_fb_trsm_ops_get(screen->type);
3615         if (dev_drv->prop != PRMRY)
3616                 rk_fb_get_prmry_screen(screen);
3617         dev_drv->output_color = screen->color_mode;
3618
3619         return 0;
3620 }
3621
3622 #ifdef CONFIG_LOGO_LINUX_BMP
3623 static struct linux_logo *bmp_logo;
3624 static int fb_prewine_bmp_logo(struct fb_info *info, int rotate)
3625 {
3626         bmp_logo = fb_find_logo(24);
3627         if (bmp_logo == NULL) {
3628                 printk(KERN_INFO "%s error\n", __func__);
3629                 return 0;
3630         }
3631         return 1;
3632 }
3633
3634 static void fb_show_bmp_logo(struct fb_info *info, int rotate)
3635 {
3636         unsigned char *src = bmp_logo->data;
3637         unsigned char *dst = info->screen_base;
3638         int i;
3639         unsigned int Needwidth = (*(src - 24) << 8) | (*(src - 23));
3640         unsigned int Needheight = (*(src - 22) << 8) | (*(src - 21));
3641
3642         for (i = 0; i < Needheight; i++)
3643                 memcpy(dst + info->var.xres * i * 4,
3644                        src + bmp_logo->width * i * 4, Needwidth * 4);
3645 }
3646 #endif
3647
3648 /*
3649  * check if the primary lcdc has registerd,
3650  * the primary lcdc mas register first
3651  */
3652 bool is_prmry_rk_lcdc_registered(void)
3653 {
3654         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3655
3656         if (rk_fb->lcdc_dev_drv[0])
3657                 return true;
3658         else
3659                 return false;
3660 }
3661
3662 int rk_fb_register(struct rk_lcdc_driver *dev_drv,
3663                    struct rk_lcdc_win *win, int id)
3664 {
3665         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3666         struct fb_info *fbi;
3667         struct rk_fb_par *fb_par = NULL;
3668         int i = 0, ret = 0, index = 0;
3669
3670         if (rk_fb->num_lcdc == RK30_MAX_LCDC_SUPPORT)
3671                 return -ENXIO;
3672
3673         for (i = 0; i < RK30_MAX_LCDC_SUPPORT; i++) {
3674                 if (!rk_fb->lcdc_dev_drv[i]) {
3675                         rk_fb->lcdc_dev_drv[i] = dev_drv;
3676                         rk_fb->lcdc_dev_drv[i]->id = id;
3677                         rk_fb->num_lcdc++;
3678                         break;
3679                 }
3680         }
3681
3682         index = i;
3683         init_lcdc_device_driver(rk_fb, win, index);
3684         dev_drv->fb_index_base = rk_fb->num_fb;
3685         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3686                 fbi = framebuffer_alloc(0, &fb_pdev->dev);
3687                 if (!fbi) {
3688                         dev_err(&fb_pdev->dev, "fb framebuffer_alloc fail!");
3689                         ret = -ENOMEM;
3690                 }
3691                 fb_par = devm_kzalloc(&fb_pdev->dev, sizeof(struct rk_fb_par),
3692                                       GFP_KERNEL);
3693                 if (!fb_par) {
3694                         dev_err(&fb_pdev->dev, "malloc fb_par for fb%d fail!",
3695                                 rk_fb->num_fb);
3696                         return -ENOMEM;
3697                 }
3698                 fb_par->id = rk_fb->num_fb;
3699                 fb_par->lcdc_drv = dev_drv;
3700                 fbi->par = (void *)fb_par;
3701                 fbi->var = def_var;
3702                 fbi->fix = def_fix;
3703                 sprintf(fbi->fix.id, "fb%d", rk_fb->num_fb);
3704                 fb_videomode_to_var(&fbi->var, &dev_drv->cur_screen->mode);
3705                 fbi->var.grayscale |=
3706                     (fbi->var.xres << 8) + (fbi->var.yres << 20);
3707 #if defined(CONFIG_LOGO_LINUX_BMP)
3708                 fbi->var.bits_per_pixel = 32;
3709 #else
3710                 fbi->var.bits_per_pixel = 16;
3711 #endif
3712                 fbi->fix.line_length =
3713                     (fbi->var.xres_virtual) * (fbi->var.bits_per_pixel >> 3);
3714                 fbi->var.width = dev_drv->cur_screen->width;
3715                 fbi->var.height = dev_drv->cur_screen->height;
3716                 if (dev_drv->iommu_enabled)
3717                         fb_ops.fb_mmap = rk_fb_mmap;
3718                 fbi->fbops = &fb_ops;
3719                 fbi->flags = FBINFO_FLAG_DEFAULT;
3720                 fbi->pseudo_palette = dev_drv->win[i]->pseudo_pal;
3721                 ret = register_framebuffer(fbi);
3722                 if (ret < 0) {
3723                         dev_err(&fb_pdev->dev,
3724                                 "%s fb%d register_framebuffer fail!\n",
3725                                 __func__, rk_fb->num_fb);
3726                         return ret;
3727                 }
3728                 rkfb_create_sysfs(fbi);
3729                 rk_fb->fb[rk_fb->num_fb] = fbi;
3730                 dev_info(fbi->dev, "rockchip framebuffer registerd:%s\n",
3731                          fbi->fix.id);
3732                 rk_fb->num_fb++;
3733
3734                 if (i == 0) {
3735                         init_waitqueue_head(&dev_drv->vsync_info.wait);
3736                         init_waitqueue_head(&dev_drv->update_regs_wait);
3737                         ret = device_create_file(fbi->dev, &dev_attr_vsync);
3738                         if (ret)
3739                                 dev_err(fbi->dev,
3740                                         "failed to create vsync file\n");
3741                         dev_drv->vsync_info.thread =
3742                             kthread_run(rk_fb_wait_for_vsync_thread, dev_drv,
3743                                         "fb-vsync");
3744                         if (dev_drv->vsync_info.thread == ERR_PTR(-ENOMEM)) {
3745                                 dev_err(fbi->dev,
3746                                         "failed to run vsync thread\n");
3747                                 dev_drv->vsync_info.thread = NULL;
3748                         }
3749                         dev_drv->vsync_info.active = 1;
3750
3751                         mutex_init(&dev_drv->output_lock);
3752
3753                         INIT_LIST_HEAD(&dev_drv->update_regs_list);
3754                         mutex_init(&dev_drv->update_regs_list_lock);
3755                         init_kthread_worker(&dev_drv->update_regs_worker);
3756
3757                         dev_drv->update_regs_thread =
3758                             kthread_run(kthread_worker_fn,
3759                                         &dev_drv->update_regs_worker, "rk-fb");
3760                         if (IS_ERR(dev_drv->update_regs_thread)) {
3761                                 int err = PTR_ERR(dev_drv->update_regs_thread);
3762                                 dev_drv->update_regs_thread = NULL;
3763
3764                                 printk("failed to run update_regs thread\n");
3765                                 return err;
3766                         }
3767                         init_kthread_work(&dev_drv->update_regs_work,
3768                                           rk_fb_update_regs_handler);
3769
3770                         dev_drv->timeline =
3771                             sw_sync_timeline_create("fb-timeline");
3772                         dev_drv->timeline_max = 1;
3773                 }
3774         }
3775
3776         /* show logo for primary display device */
3777 #if !defined(CONFIG_FRAMEBUFFER_CONSOLE)
3778         if (dev_drv->prop == PRMRY) {
3779                 u16 xact, yact;
3780                 int format;
3781                 u32 dsp_addr;
3782                 struct fb_info *main_fbi = rk_fb->fb[0];
3783                 main_fbi->fbops->fb_open(main_fbi, 1);
3784                 main_fbi->var.pixclock = dev_drv->pixclock;
3785 #if defined(CONFIG_ROCKCHIP_IOMMU)
3786                 if (dev_drv->iommu_enabled) {
3787                         if (dev_drv->mmu_dev)
3788                                 rockchip_iovmm_set_fault_handler(dev_drv->dev,
3789                                                 rk_fb_sysmmu_fault_handler);
3790                 }
3791 #endif
3792
3793                 rk_fb_alloc_buffer(main_fbi);   /* only alloc memory for main fb */
3794                 dev_drv->uboot_logo = support_uboot_display();
3795
3796                 if (dev_drv->uboot_logo &&
3797                     uboot_logo_offset && uboot_logo_base) {
3798                         int width, height, bits;
3799                         phys_addr_t start = uboot_logo_base + uboot_logo_offset;
3800                         unsigned int size = uboot_logo_size - uboot_logo_offset;
3801                         unsigned int nr_pages;
3802                         struct page **pages;
3803                         char *vaddr;
3804                         int i = 0;
3805
3806                         if (dev_drv->ops->get_dspbuf_info)
3807                                 dev_drv->ops->get_dspbuf_info(dev_drv, &xact,
3808                                         &yact, &format, &dsp_addr);
3809                         nr_pages = size >> PAGE_SHIFT;
3810                         pages = kzalloc(sizeof(struct page) * nr_pages,
3811                                         GFP_KERNEL);
3812                         while (i < nr_pages) {
3813                                 pages[i] = phys_to_page(start);
3814                                 start += PAGE_SIZE;
3815                                 i++;
3816                         }
3817                         vaddr = vmap(pages, nr_pages, VM_MAP,
3818                                         pgprot_writecombine(PAGE_KERNEL));
3819                         if (!vaddr) {
3820                                 pr_err("failed to vmap phy addr 0x%lx\n",
3821                                        (long)(uboot_logo_base +
3822                                        uboot_logo_offset));
3823                                 return -1;
3824                         }
3825
3826                         if(bmpdecoder(vaddr, main_fbi->screen_base, &width,
3827                                       &height, &bits)) {
3828                                 kfree(pages);
3829                                 vunmap(vaddr);
3830                                 return 0;
3831                         }
3832                         kfree(pages);
3833                         vunmap(vaddr);
3834                         if (dev_drv->uboot_logo &&
3835                             (width != xact || height != yact)) {
3836                                 pr_err("can't support uboot kernel logo use different size [%dx%d] != [%dx%d]\n",
3837                                         xact, yact, width, height);
3838                                 return 0;
3839                         }
3840
3841                         if (dev_drv->ops->post_dspbuf) {
3842                                 dev_drv->ops->post_dspbuf(dev_drv,
3843                                         main_fbi->fix.smem_start,
3844                                         rk_fb_data_fmt(0, bits),
3845                                         width, height, width * bits >> 5);
3846                         }
3847                         if (dev_drv->iommu_enabled) {
3848                                 rk_fb_poll_wait_frame_complete();
3849                                 if (dev_drv->ops->mmu_en)
3850                                         dev_drv->ops->mmu_en(dev_drv);
3851                                 freed_index = 0;
3852                         }
3853
3854                         return 0;
3855                 } else if (dev_drv->uboot_logo && uboot_logo_base) {
3856                         u32 start = uboot_logo_base;
3857                         u32 start_base = start;
3858                         int logo_len, i=0;
3859                         unsigned int nr_pages;
3860                         struct page **pages;
3861                         char *vaddr;
3862
3863                         dev_drv->ops->get_dspbuf_info(dev_drv, &xact,
3864                                                       &yact, &format,
3865                                                       &start);
3866                         logo_len = rk_fb_pixel_width(format) * xact * yact >> 3;
3867                         if (logo_len > uboot_logo_size ||
3868                             logo_len > main_fbi->fix.smem_len) {
3869                                 pr_err("logo size > uboot reserve buffer size\n");
3870                                 return -1;
3871                         }
3872
3873                         nr_pages = uboot_logo_size >> PAGE_SHIFT;
3874                         pages = kzalloc(sizeof(struct page) * nr_pages,
3875                                         GFP_KERNEL);
3876                         while (i < nr_pages) {
3877                                 pages[i] = phys_to_page(start);
3878                                 start += PAGE_SIZE;
3879                                 i++;
3880                         }
3881                         vaddr = vmap(pages, nr_pages, VM_MAP,
3882                                         pgprot_writecombine(PAGE_KERNEL));
3883                         if (!vaddr) {
3884                                 pr_err("failed to vmap phy addr 0x%x\n",
3885                                        start_base);
3886                                 return -1;
3887                         }
3888
3889                         memcpy(main_fbi->screen_base, vaddr, logo_len);
3890
3891                         kfree(pages);
3892                         vunmap(vaddr);
3893
3894                         dev_drv->ops->post_dspbuf(dev_drv,
3895                                         main_fbi->fix.smem_start,
3896                                         format, xact, yact,
3897                                         xact * rk_fb_pixel_width(format) >> 5);
3898                         if (dev_drv->iommu_enabled) {
3899                                 rk_fb_poll_wait_frame_complete();
3900                                 if (dev_drv->ops->mmu_en)
3901                                         dev_drv->ops->mmu_en(dev_drv);
3902                                 freed_index = 0;
3903                         }
3904                         return 0;
3905                 } else {
3906                         if (dev_drv->iommu_enabled) {
3907                                 if (dev_drv->ops->mmu_en)
3908                                         dev_drv->ops->mmu_en(dev_drv);
3909                                 freed_index = 0;
3910                         }
3911                 }
3912 #if defined(CONFIG_LOGO)
3913                 main_fbi->fbops->fb_set_par(main_fbi);
3914 #if  defined(CONFIG_LOGO_LINUX_BMP)
3915                 if (fb_prewine_bmp_logo(main_fbi, FB_ROTATE_UR)) {
3916                         fb_set_cmap(&main_fbi->cmap, main_fbi);
3917                         fb_show_bmp_logo(main_fbi, FB_ROTATE_UR);
3918                 }
3919 #else
3920                 if (fb_prepare_logo(main_fbi, FB_ROTATE_UR)) {
3921                         fb_set_cmap(&main_fbi->cmap, main_fbi);
3922                         fb_show_logo(main_fbi, FB_ROTATE_UR);
3923                 }
3924 #endif
3925                 main_fbi->fbops->fb_pan_display(&main_fbi->var, main_fbi);
3926 #endif
3927         } else {
3928                 struct fb_info *extend_fbi = rk_fb->fb[rk_fb->num_fb >> 1];
3929                 extend_fbi->var.pixclock = rk_fb->fb[0]->var.pixclock;
3930                 rk_fb_alloc_buffer(extend_fbi);
3931         }
3932 #endif
3933         return 0;
3934 }
3935
3936 int rk_fb_unregister(struct rk_lcdc_driver *dev_drv)
3937 {
3938         struct rk_fb *fb_inf = platform_get_drvdata(fb_pdev);
3939         struct fb_info *fbi;
3940         int fb_index_base = dev_drv->fb_index_base;
3941         int fb_num = dev_drv->lcdc_win_num;
3942         int i = 0;
3943
3944         if (fb_inf->lcdc_dev_drv[i]->vsync_info.thread) {
3945                 fb_inf->lcdc_dev_drv[i]->vsync_info.irq_stop = 1;
3946                 kthread_stop(fb_inf->lcdc_dev_drv[i]->vsync_info.thread);
3947         }
3948
3949         for (i = 0; i < fb_num; i++)
3950                 kfree(dev_drv->win[i]);
3951
3952         for (i = fb_index_base; i < (fb_index_base + fb_num); i++) {
3953                 fbi = fb_inf->fb[i];
3954                 unregister_framebuffer(fbi);
3955                 /* rk_release_fb_buffer(fbi); */
3956                 framebuffer_release(fbi);
3957         }
3958         fb_inf->lcdc_dev_drv[dev_drv->id] = NULL;
3959         fb_inf->num_lcdc--;
3960
3961         return 0;
3962 }
3963
3964 static int rk_fb_probe(struct platform_device *pdev)
3965 {
3966         struct rk_fb *rk_fb = NULL;
3967         struct device_node *np = pdev->dev.of_node;
3968         u32 mode;
3969
3970         if (!np) {
3971                 dev_err(&pdev->dev, "Missing device tree node.\n");
3972                 return -EINVAL;
3973         }
3974
3975         rk_fb = devm_kzalloc(&pdev->dev, sizeof(struct rk_fb), GFP_KERNEL);
3976         if (!rk_fb) {
3977                 dev_err(&pdev->dev, "kmalloc for rk fb fail!");
3978                 return -ENOMEM;
3979         }
3980         platform_set_drvdata(pdev, rk_fb);
3981
3982         if (!of_property_read_u32(np, "rockchip,disp-mode", &mode)) {
3983                 rk_fb->disp_mode = mode;
3984
3985         } else {
3986                 dev_err(&pdev->dev, "no disp-mode node found!");
3987                 return -ENODEV;
3988         }
3989
3990         if (!of_property_read_u32(np, "rockchip,disp-policy", &mode)) {
3991                 rk_fb->disp_policy = mode;
3992                 pr_info("fb disp policy is %s\n", rk_fb->disp_policy ? "box":"sdk");
3993         }
3994
3995         if (!of_property_read_u32(np, "rockchip,uboot-logo-on", &uboot_logo_on))
3996                 printk(KERN_DEBUG "uboot-logo-on:%d\n", uboot_logo_on);
3997
3998         dev_set_name(&pdev->dev, "rockchip-fb");
3999 #if defined(CONFIG_ION_ROCKCHIP)
4000         rk_fb->ion_client = rockchip_ion_client_create("rk_fb");
4001         if (IS_ERR(rk_fb->ion_client)) {
4002                 dev_err(&pdev->dev, "failed to create ion client for rk fb");
4003                 return PTR_ERR(rk_fb->ion_client);
4004         } else {
4005                 dev_info(&pdev->dev, "rk fb ion client create success!\n");
4006         }
4007 #endif
4008
4009         fb_pdev = pdev;
4010         dev_info(&pdev->dev, "rockchip framebuffer driver probe\n");
4011         return 0;
4012 }
4013
4014 static int rk_fb_remove(struct platform_device *pdev)
4015 {
4016         struct rk_fb *rk_fb = platform_get_drvdata(pdev);
4017
4018         kfree(rk_fb);
4019         platform_set_drvdata(pdev, NULL);
4020         return 0;
4021 }
4022
4023 static void rk_fb_shutdown(struct platform_device *pdev)
4024 {
4025         struct rk_fb *rk_fb = platform_get_drvdata(pdev);
4026         int i;
4027
4028         for (i = 0; i < rk_fb->num_lcdc; i++) {
4029                 if (!rk_fb->lcdc_dev_drv[i])
4030                         continue;
4031         }
4032 }
4033
4034 static const struct of_device_id rkfb_dt_ids[] = {
4035         {.compatible = "rockchip,rk-fb",},
4036         {}
4037 };
4038
4039 static struct platform_driver rk_fb_driver = {
4040         .probe = rk_fb_probe,
4041         .remove = rk_fb_remove,
4042         .driver = {
4043                    .name = "rk-fb",
4044                    .owner = THIS_MODULE,
4045                    .of_match_table = of_match_ptr(rkfb_dt_ids),
4046                    },
4047         .shutdown = rk_fb_shutdown,
4048 };
4049
4050 static int __init rk_fb_init(void)
4051 {
4052         return platform_driver_register(&rk_fb_driver);
4053 }
4054
4055 static void __exit rk_fb_exit(void)
4056 {
4057         platform_driver_unregister(&rk_fb_driver);
4058 }
4059
4060 fs_initcall(rk_fb_init);
4061 module_exit(rk_fb_exit);