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 <asm/div64.h>
  28 #include <linux/uaccess.h>
  29 #include <linux/rk_fb.h>
  30 #include <linux/linux_logo.h>
  31 #include <linux/dma-mapping.h>
  32
  33 #if defined(CONFIG_RK_HDMI)
  34 #include "hdmi/rk_hdmi.h"
  35 #endif
  36
  37 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
  38 #include "rga/rga.h"
  39 #endif
  40
  41 #ifdef CONFIG_OF
  42 #include <linux/of.h>
  43 #include <linux/of_platform.h>
  44 #include <linux/of_gpio.h>
  45 #include <video/of_display_timing.h>
  46 #include <video/display_timing.h>
  47 #include <dt-bindings/rkfb/rk_fb.h>
  48 #endif
  49
  50 #if defined(CONFIG_ION_ROCKCHIP)
  51 #include <linux/rockchip_ion.h>
  52 #include <linux/rockchip-iovmm.h>
  53 #include <linux/dma-buf.h>
  54 #include <linux/highmem.h>
  55 #endif
  56
  57 #define H_USE_FENCE 1
  58 static int hdmi_switch_complete;
  59 static struct platform_device *fb_pdev;
  60 struct list_head saved_list;
  61
  62 #if defined(CONFIG_FB_MIRRORING)
  63 int (*video_data_to_mirroring) (struct fb_info *info, u32 yuv_phy[2]);
  64 EXPORT_SYMBOL(video_data_to_mirroring);
  65 #endif
  66
  67 struct rk_fb_reg_win_data g_reg_win_data[4];
  68 static int g_last_win_num;
  69 static int g_first_buf = 1;
  70 static struct rk_fb_trsm_ops *trsm_lvds_ops;
  71 static struct rk_fb_trsm_ops *trsm_edp_ops;
  72 static struct rk_fb_trsm_ops *trsm_mipi_ops;
  73 static int uboot_logo_on;
  74 int support_uboot_display(void)
  75 {
  76         return uboot_logo_on;
  77 }
  78
  79 int rk_fb_trsm_ops_register(struct rk_fb_trsm_ops *ops, int type)
  80 {
  81         switch (type) {
  82         case SCREEN_RGB:
  83         case SCREEN_LVDS:
  84         case SCREEN_DUAL_LVDS:
  85                 trsm_lvds_ops = ops;
  86                 break;
  87         case SCREEN_EDP:
  88                 trsm_edp_ops = ops;
  89                 break;
  90         case SCREEN_MIPI:
  91         case SCREEN_DUAL_MIPI:
  92                 trsm_mipi_ops = ops;
  93                 break;
  94         default:
  95                 printk(KERN_WARNING "%s:un supported transmitter:%d!\n",
  96                        __func__, type);
  97                 break;
  98         }
  99         return 0;
 100 }
 101
 102 struct rk_fb_trsm_ops *rk_fb_trsm_ops_get(int type)
 103 {
 104         struct rk_fb_trsm_ops *ops;
 105         switch (type) {
 106         case SCREEN_RGB:
 107         case SCREEN_LVDS:
 108         case SCREEN_DUAL_LVDS:
 109                 ops = trsm_lvds_ops;
 110                 break;
 111         case SCREEN_EDP:
 112                 ops = trsm_edp_ops;
 113                 break;
 114         case SCREEN_MIPI:
 115         case SCREEN_DUAL_MIPI:
 116                 ops = trsm_mipi_ops;
 117                 break;
 118         default:
 119                 ops = NULL;
 120                 printk(KERN_WARNING "%s:un supported transmitter:%d!\n",
 121                        __func__, type);
 122                 break;
 123         }
 124         return ops;
 125 }
 126
 127 int rk_fb_pixel_width(int data_format)
 128 {
 129         int pixel_width;
 130         switch (data_format) {
 131         case XBGR888:
 132         case ABGR888:
 133         case ARGB888:
 134                 pixel_width = 4 * 8;
 135                 break;
 136         case RGB888:
 137                 pixel_width = 3 * 8;
 138                 break;
 139         case RGB565:
 140                 pixel_width = 2 * 8;
 141                 break;
 142         case YUV422:
 143         case YUV420:
 144         case YUV444:
 145                 pixel_width = 1 * 8;
 146                 break;
 147         case YUV422_A:
 148         case YUV420_A:
 149         case YUV444_A:
 150                 pixel_width = 8;
 151                 break;
 152         default:
 153                 printk(KERN_WARNING "%s:un supported format:0x%x\n",
 154                        __func__, data_format);
 155                 return -EINVAL;
 156         }
 157         return pixel_width;
 158 }
 159
 160 static int rk_fb_data_fmt(int data_format, int bits_per_pixel)
 161 {
 162         int fb_data_fmt;
 163         if (data_format) {
 164                 switch (data_format) {
 165                 case HAL_PIXEL_FORMAT_RGBX_8888:
 166                         fb_data_fmt = XBGR888;
 167                         break;
 168                 case HAL_PIXEL_FORMAT_RGBA_8888:
 169                         fb_data_fmt = ABGR888;
 170                         break;
 171                 case HAL_PIXEL_FORMAT_BGRA_8888:
 172                         fb_data_fmt = ARGB888;
 173                         break;
 174                 case HAL_PIXEL_FORMAT_RGB_888:
 175                         fb_data_fmt = RGB888;
 176                         break;
 177                 case HAL_PIXEL_FORMAT_RGB_565:
 178                         fb_data_fmt = RGB565;
 179                         break;
 180                 case HAL_PIXEL_FORMAT_YCbCr_422_SP:     /* yuv422 */
 181                         fb_data_fmt = YUV422;
 182                         break;
 183                 case HAL_PIXEL_FORMAT_YCrCb_NV12:       /* YUV420---uvuvuv */
 184                         fb_data_fmt = YUV420;
 185                         break;
 186                 case HAL_PIXEL_FORMAT_YCrCb_444:        /* yuv444 */
 187                         fb_data_fmt = YUV444;
 188                         break;
 189                 case HAL_PIXEL_FORMAT_YCrCb_NV12_10:    /* yuv444 */
 190                         fb_data_fmt = YUV420_A;
 191                         break;
 192                 case HAL_PIXEL_FORMAT_YCbCr_422_SP_10:  /* yuv444 */
 193                         fb_data_fmt = YUV422_A;
 194                         break;
 195                 case HAL_PIXEL_FORMAT_YCrCb_420_SP_10:  /* yuv444 */
 196                         fb_data_fmt = YUV444_A;
 197                         break;
 198                 default:
 199                         printk(KERN_WARNING "%s:un supported format:0x%x\n",
 200                                __func__, data_format);
 201                         return -EINVAL;
 202                 }
 203         } else {
 204                 switch (bits_per_pixel) {
 205                 case 32:
 206                         fb_data_fmt = ARGB888;
 207                         break;
 208                 case 16:
 209                         fb_data_fmt = RGB565;
 210                         break;
 211                 default:
 212                         printk(KERN_WARNING
 213                                "%s:un supported bits_per_pixel:%d\n", __func__,
 214                                bits_per_pixel);
 215                         break;
 216                 }
 217         }
 218         return fb_data_fmt;
 219 }
 220
 221 /*
 222  * rk display power control parse from dts
 223  */
 224 int rk_disp_pwr_ctr_parse_dt(struct rk_lcdc_driver *dev_drv)
 225 {
 226         struct device_node *root = of_get_child_by_name(dev_drv->dev->of_node,
 227                                                         "power_ctr");
 228         struct device_node *child;
 229         struct rk_disp_pwr_ctr_list *pwr_ctr;
 230         struct list_head *pos;
 231         enum of_gpio_flags flags;
 232         u32 val = 0;
 233         u32 debug = 0;
 234         int ret;
 235
 236         INIT_LIST_HEAD(&dev_drv->pwrlist_head);
 237         if (!root) {
 238                 dev_err(dev_drv->dev, "can't find power_ctr node for lcdc%d\n",
 239                         dev_drv->id);
 240                 return -ENODEV;
 241         }
 242
 243         for_each_child_of_node(root, child) {
 244                 pwr_ctr = kmalloc(sizeof(struct rk_disp_pwr_ctr_list),
 245                                   GFP_KERNEL);
 246                 strcpy(pwr_ctr->pwr_ctr.name, child->name);
 247                 if (!of_property_read_u32(child, "rockchip,power_type", &val)) {
 248                         if (val == GPIO) {
 249                                 pwr_ctr->pwr_ctr.type = GPIO;
 250                                 pwr_ctr->pwr_ctr.gpio = of_get_gpio_flags(child, 0, &flags);
 251                                 if (!gpio_is_valid(pwr_ctr->pwr_ctr.gpio)) {
 252                                         dev_err(dev_drv->dev, "%s ivalid gpio\n",
 253                                                 child->name);
 254                                         return -EINVAL;
 255                                 }
 256                                 pwr_ctr->pwr_ctr.atv_val = !(flags & OF_GPIO_ACTIVE_LOW);
 257                                 ret = gpio_request(pwr_ctr->pwr_ctr.gpio,
 258                                                    child->name);
 259                                 if (ret) {
 260                                         dev_err(dev_drv->dev,
 261                                                 "request %s gpio fail:%d\n",
 262                                                 child->name, ret);
 263                                 }
 264
 265                         } else {
 266                                 pwr_ctr->pwr_ctr.type = REGULATOR;
 267
 268                         }
 269                 };
 270                 of_property_read_u32(child, "rockchip,delay", &val);
 271                 pwr_ctr->pwr_ctr.delay = val;
 272                 list_add_tail(&pwr_ctr->list, &dev_drv->pwrlist_head);
 273         }
 274
 275         of_property_read_u32(root, "rockchip,debug", &debug);
 276
 277         if (debug) {
 278                 list_for_each(pos, &dev_drv->pwrlist_head) {
 279                         pwr_ctr = list_entry(pos, struct rk_disp_pwr_ctr_list,
 280                                              list);
 281                         printk(KERN_INFO "pwr_ctr_name:%s\n"
 282                                "pwr_type:%s\n"
 283                                "gpio:%d\n"
 284                                "atv_val:%d\n"
 285                                "delay:%d\n\n",
 286                                pwr_ctr->pwr_ctr.name,
 287                                (pwr_ctr->pwr_ctr.type == GPIO) ? "gpio" : "regulator",
 288                                pwr_ctr->pwr_ctr.gpio,
 289                                pwr_ctr->pwr_ctr.atv_val,
 290                                pwr_ctr->pwr_ctr.delay);
 291                 }
 292         }
 293
 294         return 0;
 295
 296 }
 297
 298 int rk_disp_pwr_enable(struct rk_lcdc_driver *dev_drv)
 299 {
 300         struct list_head *pos;
 301         struct rk_disp_pwr_ctr_list *pwr_ctr_list;
 302         struct pwr_ctr *pwr_ctr;
 303         if (list_empty(&dev_drv->pwrlist_head))
 304                 return 0;
 305         list_for_each(pos, &dev_drv->pwrlist_head) {
 306                 pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list,
 307                                           list);
 308                 pwr_ctr = &pwr_ctr_list->pwr_ctr;
 309                 if (pwr_ctr->type == GPIO) {
 310                         gpio_direction_output(pwr_ctr->gpio, pwr_ctr->atv_val);
 311                         mdelay(pwr_ctr->delay);
 312                 }
 313         }
 314
 315         return 0;
 316 }
 317
 318 int rk_disp_pwr_disable(struct rk_lcdc_driver *dev_drv)
 319 {
 320         struct list_head *pos;
 321         struct rk_disp_pwr_ctr_list *pwr_ctr_list;
 322         struct pwr_ctr *pwr_ctr;
 323         if (list_empty(&dev_drv->pwrlist_head))
 324                 return 0;
 325         list_for_each(pos, &dev_drv->pwrlist_head) {
 326                 pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list,
 327                                           list);
 328                 pwr_ctr = &pwr_ctr_list->pwr_ctr;
 329                 if (pwr_ctr->type == GPIO)
 330                         gpio_set_value(pwr_ctr->gpio, !pwr_ctr->atv_val);
 331         }
 332         return 0;
 333 }
 334
 335 int rk_fb_video_mode_from_timing(const struct display_timing *dt,
 336                                  struct rk_screen *screen)
 337 {
 338         screen->mode.pixclock = dt->pixelclock.typ;
 339         screen->mode.left_margin = dt->hback_porch.typ;
 340         screen->mode.right_margin = dt->hfront_porch.typ;
 341         screen->mode.xres = dt->hactive.typ;
 342         screen->mode.hsync_len = dt->hsync_len.typ;
 343         screen->mode.upper_margin = dt->vback_porch.typ;
 344         screen->mode.lower_margin = dt->vfront_porch.typ;
 345         screen->mode.yres = dt->vactive.typ;
 346         screen->mode.vsync_len = dt->vsync_len.typ;
 347         screen->type = dt->screen_type;
 348         screen->lvds_format = dt->lvds_format;
 349         screen->face = dt->face;
 350         screen->color_mode = dt->color_mode;
 351         screen->dsp_lut = dt->dsp_lut;
 352
 353         if (dt->flags & DISPLAY_FLAGS_PIXDATA_POSEDGE)
 354                 screen->pin_dclk = 1;
 355         else
 356                 screen->pin_dclk = 0;
 357         if (dt->flags & DISPLAY_FLAGS_HSYNC_HIGH)
 358                 screen->pin_hsync = 1;
 359         else
 360                 screen->pin_hsync = 0;
 361         if (dt->flags & DISPLAY_FLAGS_VSYNC_HIGH)
 362                 screen->pin_vsync = 1;
 363         else
 364                 screen->pin_vsync = 0;
 365         if (dt->flags & DISPLAY_FLAGS_DE_HIGH)
 366                 screen->pin_den = 1;
 367         else
 368                 screen->pin_den = 0;
 369
 370         return 0;
 371
 372 }
 373
 374 int rk_fb_prase_timing_dt(struct device_node *np, struct rk_screen *screen)
 375 {
 376         struct display_timings *disp_timing;
 377         struct display_timing *dt;
 378         disp_timing = of_get_display_timings(np);
 379         if (!disp_timing) {
 380                 pr_err("parse display timing err\n");
 381                 return -EINVAL;
 382         }
 383         dt = display_timings_get(disp_timing, disp_timing->native_mode);
 384         rk_fb_video_mode_from_timing(dt, screen);
 385         return 0;
 386
 387 }
 388
 389 int rk_fb_calc_fps(struct rk_screen *screen, u32 pixclock)
 390 {
 391         int x, y;
 392         unsigned long long hz;
 393         if (!screen) {
 394                 printk(KERN_ERR "%s:null screen!\n", __func__);
 395                 return 0;
 396         }
 397         x = screen->mode.xres + screen->mode.left_margin +
 398             screen->mode.right_margin + screen->mode.hsync_len;
 399         y = screen->mode.yres + screen->mode.upper_margin +
 400             screen->mode.lower_margin + screen->mode.vsync_len;
 401
 402         hz = 1000000000000ULL;  /* 1e12 picoseconds per second */
 403
 404         hz += (x * y) / 2;
 405         do_div(hz, x * y);      /* divide by x * y with rounding */
 406
 407         hz += pixclock / 2;
 408         do_div(hz, pixclock);   /* divide by pixclock with rounding */
 409
 410         return hz;
 411 }
 412
 413 char *get_format_string(enum data_format format, char *fmt)
 414 {
 415         if (!fmt)
 416                 return NULL;
 417         switch (format) {
 418         case ARGB888:
 419                 strcpy(fmt, "ARGB888");
 420                 break;
 421         case RGB888:
 422                 strcpy(fmt, "RGB888");
 423                 break;
 424         case RGB565:
 425                 strcpy(fmt, "RGB565");
 426                 break;
 427         case YUV420:
 428                 strcpy(fmt, "YUV420");
 429                 break;
 430         case YUV422:
 431                 strcpy(fmt, "YUV422");
 432                 break;
 433         case YUV444:
 434                 strcpy(fmt, "YUV444");
 435                 break;
 436         case YUV420_A:
 437                 strcpy(fmt, "YUV420_A");
 438                 break;
 439         case YUV422_A:
 440                 strcpy(fmt, "YUV422_A");
 441                 break;
 442         case YUV444_A:
 443                 strcpy(fmt, "YUV444_A");
 444                 break;
 445         case XRGB888:
 446                 strcpy(fmt, "XRGB888");
 447                 break;
 448         case XBGR888:
 449                 strcpy(fmt, "XBGR888");
 450                 break;
 451         case ABGR888:
 452                 strcpy(fmt, "XBGR888");
 453                 break;
 454         default:
 455                 strcpy(fmt, "invalid");
 456                 break;
 457         }
 458
 459         return fmt;
 460
 461 }
 462
 463 /*
 464  * this is for hdmi
 465  * name: lcdc device name ,lcdc0 , lcdc1
 466  */
 467 struct rk_lcdc_driver *rk_get_lcdc_drv(char *name)
 468 {
 469         struct rk_fb *inf = NULL;
 470         struct rk_lcdc_driver *dev_drv = NULL;
 471         int i = 0;
 472
 473         if (likely(fb_pdev))
 474                 inf = platform_get_drvdata(fb_pdev);
 475         else
 476                 return NULL;
 477
 478         for (i = 0; i < inf->num_lcdc; i++) {
 479                 if (!strcmp(inf->lcdc_dev_drv[i]->name, name)) {
 480                         dev_drv = inf->lcdc_dev_drv[i];
 481                         break;
 482                 }
 483         }
 484
 485         return dev_drv;
 486 }
 487
 488 static struct rk_lcdc_driver *rk_get_prmry_lcdc_drv(void)
 489 {
 490         struct rk_fb *inf = NULL;
 491         struct rk_lcdc_driver *dev_drv = NULL;
 492         int i = 0;
 493
 494         if (likely(fb_pdev))
 495                 inf = platform_get_drvdata(fb_pdev);
 496         else
 497                 return NULL;
 498
 499         for (i = 0; i < inf->num_lcdc; i++) {
 500                 if (inf->lcdc_dev_drv[i]->prop == PRMRY) {
 501                         dev_drv = inf->lcdc_dev_drv[i];
 502                         break;
 503                 }
 504         }
 505
 506         return dev_drv;
 507 }
 508
 509 /*
 510  * get one frame time of the prmry screen, unit: us
 511  */
 512 u32 rk_fb_get_prmry_screen_ft(void)
 513 {
 514         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 515         uint32_t htotal, vtotal, pixclock_ps;
 516         u64 pix_total, ft_us;
 517
 518         if (unlikely(!dev_drv))
 519                 return 0;
 520
 521         pixclock_ps = dev_drv->pixclock;
 522
 523         vtotal = (dev_drv->cur_screen->mode.upper_margin +
 524                  dev_drv->cur_screen->mode.lower_margin +
 525                  dev_drv->cur_screen->mode.yres +
 526                  dev_drv->cur_screen->mode.vsync_len);
 527         htotal = (dev_drv->cur_screen->mode.left_margin +
 528                  dev_drv->cur_screen->mode.right_margin +
 529                  dev_drv->cur_screen->mode.xres +
 530                  dev_drv->cur_screen->mode.hsync_len);
 531         pix_total = htotal * vtotal;
 532         ft_us = pix_total * pixclock_ps;
 533         do_div(ft_us, 1000000);
 534         if (dev_drv->frame_time.ft == 0)
 535                 dev_drv->frame_time.ft = ft_us;
 536
 537         ft_us = dev_drv->frame_time.framedone_t - dev_drv->frame_time.last_framedone_t;
 538         do_div(ft_us, 1000);
 539         ft_us = min(dev_drv->frame_time.ft, (u32)ft_us);
 540         if (ft_us != 0)
 541                 dev_drv->frame_time.ft = ft_us;
 542
 543         return dev_drv->frame_time.ft;
 544 }
 545
 546 /*
 547  * get the vblanking time of the prmry screen, unit: us
 548  */
 549 u32 rk_fb_get_prmry_screen_vbt(void)
 550 {
 551         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 552         uint32_t htotal, vblank, pixclock_ps;
 553         u64 pix_blank, vbt_us;
 554
 555         if (unlikely(!dev_drv))
 556                 return 0;
 557
 558         pixclock_ps = dev_drv->pixclock;
 559
 560         htotal = (dev_drv->cur_screen->mode.left_margin +
 561                  dev_drv->cur_screen->mode.right_margin +
 562                  dev_drv->cur_screen->mode.xres +
 563                  dev_drv->cur_screen->mode.hsync_len);
 564         vblank = (dev_drv->cur_screen->mode.upper_margin +
 565                  dev_drv->cur_screen->mode.lower_margin +
 566                  dev_drv->cur_screen->mode.vsync_len);
 567         pix_blank = htotal * vblank;
 568         vbt_us = pix_blank * pixclock_ps;
 569         do_div(vbt_us, 1000000);
 570         return (u32)vbt_us;
 571 }
 572
 573 /*
 574  * get the frame done time of the prmry screen, unit: us
 575  */
 576 u64 rk_fb_get_prmry_screen_framedone_t(void)
 577 {
 578         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 579
 580         if (unlikely(!dev_drv))
 581                 return 0;
 582         else
 583                 return dev_drv->frame_time.framedone_t;
 584 }
 585
 586 /*
 587  * set prmry screen status
 588  */
 589 int rk_fb_set_prmry_screen_status(int status)
 590 {
 591         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 592         struct rk_screen *screen;
 593
 594         if (unlikely(!dev_drv))
 595                 return 0;
 596
 597         screen = dev_drv->cur_screen;
 598         switch (status) {
 599         case SCREEN_PREPARE_DDR_CHANGE:
 600                 if (screen->type == SCREEN_MIPI
 601                         || screen->type == SCREEN_DUAL_MIPI) {
 602                         if (dev_drv->trsm_ops->dsp_pwr_off)
 603                                 dev_drv->trsm_ops->dsp_pwr_off();
 604                 }
 605                 break;
 606         case SCREEN_UNPREPARE_DDR_CHANGE:
 607                 if (screen->type == SCREEN_MIPI
 608                         || screen->type == SCREEN_DUAL_MIPI) {
 609                         if (dev_drv->trsm_ops->dsp_pwr_on)
 610                                 dev_drv->trsm_ops->dsp_pwr_on();
 611                 }
 612                 break;
 613         default:
 614                 break;
 615         }
 616
 617         return 0;
 618 }
 619
 620 static struct rk_lcdc_driver *rk_get_extend_lcdc_drv(void)
 621 {
 622         struct rk_fb *inf = NULL;
 623         struct rk_lcdc_driver *dev_drv = NULL;
 624         int i = 0;
 625
 626         if (likely(fb_pdev))
 627                 inf = platform_get_drvdata(fb_pdev);
 628         else
 629                 return NULL;
 630
 631         for (i = 0; i < inf->num_lcdc; i++) {
 632                 if (inf->lcdc_dev_drv[i]->prop == EXTEND) {
 633                         dev_drv = inf->lcdc_dev_drv[i];
 634                         break;
 635                 }
 636         }
 637
 638         return dev_drv;
 639 }
 640
 641 u32 rk_fb_get_prmry_screen_pixclock(void)
 642 {
 643         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 644
 645         if (unlikely(!dev_drv))
 646                 return 0;
 647         else
 648                 return dev_drv->pixclock;
 649 }
 650
 651 int rk_fb_poll_prmry_screen_vblank(void)
 652 {
 653         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 654
 655         if (likely(dev_drv)) {
 656                 if (dev_drv->ops->poll_vblank)
 657                         return dev_drv->ops->poll_vblank(dev_drv);
 658                 else
 659                         return RK_LF_STATUS_NC;
 660         } else {
 661                 return RK_LF_STATUS_NC;
 662         }
 663 }
 664
 665 bool rk_fb_poll_wait_frame_complete(void)
 666 {
 667         uint32_t timeout = RK_LF_MAX_TIMEOUT;
 668         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 669
 670         if (likely(dev_drv)) {
 671                 if (dev_drv->ops->set_irq_to_cpu)
 672                         dev_drv->ops->set_irq_to_cpu(dev_drv, 0);
 673         }
 674
 675         if (rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_NC) {
 676                 if (likely(dev_drv)) {
 677                         if (dev_drv->ops->set_irq_to_cpu)
 678                                 dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
 679                 }
 680                 return false;
 681         }
 682         while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FR) && --timeout)
 683                 ;
 684         while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FC) && --timeout)
 685                 ;
 686         if (likely(dev_drv)) {
 687                 if (dev_drv->ops->set_irq_to_cpu)
 688                         dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
 689         }
 690
 691         return true;
 692 }
 693
 694
 695 /* rk_fb_get_sysmmu_device_by_compatible()
 696  * @compt: dts device compatible name
 697  * return value: success: pointer to the device inside of platform device
 698  *               fail: NULL
 699  */
 700 struct device *rk_fb_get_sysmmu_device_by_compatible(const char *compt)
 701 {
 702         struct device_node *dn = NULL;
 703         struct platform_device *pd = NULL;
 704         struct device *ret = NULL ;
 705
 706         dn = of_find_compatible_node(NULL, NULL, compt);
 707         if (!dn) {
 708                 printk("can't find device node %s \r\n", compt);
 709                 return NULL;
 710         }
 711
 712         pd = of_find_device_by_node(dn);
 713         if (!pd) {
 714                 printk("can't find platform device in device node %s \r\n", compt);
 715                 return  NULL;
 716         }
 717         ret = &pd->dev;
 718
 719         return ret;
 720 }
 721
 722 #ifdef CONFIG_IOMMU_API
 723 void rk_fb_platform_set_sysmmu(struct device *sysmmu, struct device *dev)
 724 {
 725         dev->archdata.iommu = sysmmu;
 726 }
 727 #else
 728 void rk_fb_platform_set_sysmmu(struct device *sysmmu, struct device *dev)
 729 {
 730
 731 }
 732 #endif
 733
 734 static int rk_fb_open(struct fb_info *info, int user)
 735 {
 736         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
 737         int win_id;
 738
 739         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
 740         dev_drv->win[win_id]->logicalstate++;
 741         /* if this win aready opened ,no need to reopen */
 742         if (dev_drv->win[win_id]->state)
 743                 return 0;
 744         else
 745                 dev_drv->ops->open(dev_drv, win_id, 1);
 746         return 0;
 747 }
 748
 749 static int get_extend_fb_id(struct fb_info *info)
 750 {
 751         int fb_id = 0;
 752         char *id = info->fix.id;
 753         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
 754
 755         if (!strcmp(id, "fb0"))
 756                 fb_id = 0;
 757         else if (!strcmp(id, "fb1"))
 758                 fb_id = 1;
 759         else if (!strcmp(id, "fb2") && (dev_drv->lcdc_win_num > 2))
 760                 fb_id = 2;
 761         else if (!strcmp(id, "fb3") && (dev_drv->lcdc_win_num > 3))
 762                 fb_id = 3;
 763         return fb_id;
 764 }
 765
 766 static int rk_fb_close(struct fb_info *info, int user)
 767 {
 768         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
 769         struct rk_lcdc_win *win = NULL;
 770         int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
 771
 772         if (win_id >= 0) {
 773                 dev_drv->win[win_id]->logicalstate--;
 774                 if (!dev_drv->win[win_id]->logicalstate) {
 775                         win = dev_drv->win[win_id];
 776                         info->fix.smem_start = win->reserved;
 777                         info->var.xres = dev_drv->screen0->mode.xres;
 778                         info->var.yres = dev_drv->screen0->mode.yres;
 779                         /*
 780                         info->var.grayscale |=
 781                             (info->var.xres << 8) + (info->var.yres << 20);
 782                         */
 783                         info->var.xres_virtual = info->var.xres;
 784                         info->var.yres_virtual = info->var.yres;
 785 #if defined(CONFIG_LOGO_LINUX_BMP)
 786                         info->var.bits_per_pixel = 32;
 787 #else
 788                         info->var.bits_per_pixel = 16;
 789 #endif
 790                         info->fix.line_length =
 791                             (info->var.xres_virtual) * (info->var.bits_per_pixel >> 3);
 792                         info->var.width = dev_drv->screen0->width;
 793                         info->var.height = dev_drv->screen0->height;
 794                         info->var.pixclock = dev_drv->pixclock;
 795                         info->var.left_margin = dev_drv->screen0->mode.left_margin;
 796                         info->var.right_margin = dev_drv->screen0->mode.right_margin;
 797                         info->var.upper_margin = dev_drv->screen0->mode.upper_margin;
 798                         info->var.lower_margin = dev_drv->screen0->mode.lower_margin;
 799                         info->var.vsync_len = dev_drv->screen0->mode.vsync_len;
 800                         info->var.hsync_len = dev_drv->screen0->mode.hsync_len;
 801                 }
 802         }
 803
 804         return 0;
 805 }
 806
 807
 808 #if defined(CONFIG_RK29_IPP)
 809 static int get_ipp_format(int fmt)
 810 {
 811         int ipp_fmt = IPP_XRGB_8888;
 812         switch (fmt) {
 813         case HAL_PIXEL_FORMAT_RGBX_8888:
 814         case HAL_PIXEL_FORMAT_RGBA_8888:
 815         case HAL_PIXEL_FORMAT_BGRA_8888:
 816         case HAL_PIXEL_FORMAT_RGB_888:
 817                 ipp_fmt = IPP_XRGB_8888;
 818                 break;
 819         case HAL_PIXEL_FORMAT_RGB_565:
 820                 ipp_fmt = IPP_RGB_565;
 821                 break;
 822         case HAL_PIXEL_FORMAT_YCbCr_422_SP:
 823                 ipp_fmt = IPP_Y_CBCR_H2V1;
 824                 break;
 825         case HAL_PIXEL_FORMAT_YCrCb_NV12:
 826                 ipp_fmt = IPP_Y_CBCR_H2V2;
 827                 break;
 828         case HAL_PIXEL_FORMAT_YCrCb_444:
 829                 ipp_fmt = IPP_Y_CBCR_H1V1;
 830                 break;
 831         default:
 832                 ipp_fmt = IPP_IMGTYPE_LIMIT;
 833                 break;
 834         }
 835
 836         return ipp_fmt;
 837 }
 838
 839 static void ipp_win_check(int *dst_w, int *dst_h, int *dst_vir_w,
 840                           int rotation, int fmt)
 841 {
 842         int align16 = 2;
 843         int align64 = 8;
 844
 845         if (fmt == IPP_XRGB_8888) {
 846                 align16 = 1;
 847                 align64 = 2;
 848         } else if (fmt == IPP_RGB_565) {
 849                 align16 = 1;
 850                 align64 = 4;
 851         } else {
 852                 align16 = 2;
 853                 align64 = 8;
 854         }
 855         align16 -= 1;           /*for YUV, 1 */
 856         align64 -= 1;           /*for YUV, 7 */
 857
 858         if (rotation == IPP_ROT_0) {
 859                 if (fmt > IPP_RGB_565) {
 860                         if ((*dst_w & 1) != 0)
 861                                 *dst_w = *dst_w + 1;
 862                         if ((*dst_h & 1) != 0)
 863                                 *dst_h = *dst_h + 1;
 864                         if (*dst_vir_w < *dst_w)
 865                                 *dst_vir_w = *dst_w;
 866                 }
 867         } else {
 868                 if ((*dst_w & align64) != 0)
 869                         *dst_w = (*dst_w + align64) & (~align64);
 870                 if ((fmt > IPP_RGB_565) && ((*dst_h & 1) == 1))
 871                         *dst_h = *dst_h + 1;
 872                 if (*dst_vir_w < *dst_w)
 873                         *dst_vir_w = *dst_w;
 874         }
 875 }
 876
 877 static void fb_copy_by_ipp(struct fb_info *dst_info,
 878                                 struct fb_info *src_info)
 879 {
 880         struct rk29_ipp_req ipp_req;
 881         uint32_t rotation = 0;
 882         int dst_w, dst_h, dst_vir_w;
 883         int ipp_fmt;
 884         u8 data_format = (dst_info->var.nonstd) & 0xff;
 885         struct rk_lcdc_driver *ext_dev_drv =
 886                         (struct rk_lcdc_driver *)dst_info->par;
 887         u16 orientation = ext_dev_drv->rotate_mode;
 888
 889         memset(&ipp_req, 0, sizeof(struct rk29_ipp_req));
 890
 891         switch (orientation) {
 892         case 0:
 893                 rotation = IPP_ROT_0;
 894                 break;
 895         case ROTATE_90:
 896                 rotation = IPP_ROT_90;
 897                 break;
 898         case ROTATE_180:
 899                 rotation = IPP_ROT_180;
 900                 break;
 901         case ROTATE_270:
 902                 rotation = IPP_ROT_270;
 903                 break;
 904         default:
 905                 rotation = IPP_ROT_270;
 906                 break;
 907         }
 908
 909         dst_w = dst_info->var.xres;
 910         dst_h = dst_info->var.yres;
 911         dst_vir_w = dst_info->var.xres_virtual;
 912         ipp_fmt = get_ipp_format(data_format);
 913         ipp_win_check(&dst_w, &dst_h, &dst_vir_w, rotation, ipp_fmt);
 914         ipp_req.src0.YrgbMst = src_info->fix.smem_start + offset;
 915         ipp_req.src0.w = src_info->var.xres;
 916         ipp_req.src0.h = src_info->var.yres;
 917         ipp_req.src_vir_w = src_info->var.xres_virtual;
 918         ipp_req.src0.fmt = ipp_fmt;
 919
 920         ipp_req.dst0.YrgbMst = dst_info->fix.smem_start + offset;
 921         ipp_req.dst0.w = dst_w;
 922         ipp_req.dst0.h = dst_h;
 923         ipp_req.dst_vir_w = dst_vir_w;
 924         ipp_req.dst0.fmt = ipp_fmt;
 925
 926         ipp_req.timeout = 100;
 927         ipp_req.flag = rotation;
 928         ipp_blit_sync(&ipp_req);
 929 }
 930
 931 #endif
 932
 933 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
 934 static int get_rga_format(int fmt)
 935 {
 936         int rga_fmt = 0;
 937
 938         switch (fmt) {
 939         case XBGR888:
 940                 rga_fmt = RK_FORMAT_RGBX_8888;
 941                 break;
 942         case ABGR888:
 943                 rga_fmt = RK_FORMAT_RGBA_8888;
 944                 break;
 945         case ARGB888:
 946                 rga_fmt = RK_FORMAT_BGRA_8888;
 947                 break;
 948         case RGB888:
 949                 rga_fmt = RK_FORMAT_RGB_888;
 950                 break;
 951         case RGB565:
 952                 rga_fmt = RK_FORMAT_RGB_565;
 953                 break;
 954         case YUV422:
 955                 rga_fmt = RK_FORMAT_YCbCr_422_SP;
 956                 break;
 957         case YUV420:
 958                 rga_fmt = RK_FORMAT_YCbCr_420_SP;
 959                 break;
 960         default:
 961                 rga_fmt = RK_FORMAT_RGBA_8888;
 962                 break;
 963         }
 964
 965         return rga_fmt;
 966 }
 967
 968 static void rga_win_check(struct rk_lcdc_win *dst_win,
 969                           struct rk_lcdc_win *src_win)
 970 {
 971         int format = 0;
 972
 973         format = get_rga_format(src_win->format);
 974         /* width and height must be even number */
 975         if (format >= RK_FORMAT_YCbCr_422_SP &&
 976             format <= RK_FORMAT_YCrCb_420_P) {
 977                 if ((src_win->area[0].xact % 2) != 0)
 978                         src_win->area[0].xact += 1;
 979                 if ((src_win->area[0].yact % 2) != 0)
 980                         src_win->area[0].yact += 1;
 981         }
 982         if (src_win->area[0].xvir < src_win->area[0].xact)
 983                 src_win->area[0].xvir = src_win->area[0].xact;
 984         if (src_win->area[0].yvir < src_win->area[0].yact)
 985                 src_win->area[0].yvir = src_win->area[0].yact;
 986
 987         format = get_rga_format(dst_win->format);
 988         if (format >= RK_FORMAT_YCbCr_422_SP &&
 989             format <= RK_FORMAT_YCrCb_420_P) {
 990                 if ((dst_win->area[0].xact % 2) != 0)
 991                         dst_win->area[0].xact += 1;
 992                 if ((dst_win->area[0].yact % 2) != 0)
 993                         dst_win->area[0].yact += 1;
 994         }
 995         if (dst_win->area[0].xvir < dst_win->area[0].xact)
 996                 dst_win->area[0].xvir = dst_win->area[0].xact;
 997         if (dst_win->area[0].yvir < dst_win->area[0].yact)
 998                 dst_win->area[0].yvir = dst_win->area[0].yact;
 999 }
1000
1001 static void win_copy_by_rga(struct rk_lcdc_win *dst_win,
1002                             struct rk_lcdc_win *src_win,
1003                             u16 orientation, int iommu_en)
1004 {
1005         struct rga_req Rga_Request;
1006         long ret = 0;
1007         /* int fd = 0; */
1008
1009         memset(&Rga_Request, 0, sizeof(Rga_Request));
1010         rga_win_check(dst_win, src_win);
1011
1012         switch (orientation) {
1013         case ROTATE_90:
1014                 Rga_Request.rotate_mode = 1;
1015                 Rga_Request.sina = 65536;
1016                 Rga_Request.cosa = 0;
1017                 Rga_Request.dst.act_w = dst_win->area[0].yact;
1018                 Rga_Request.dst.act_h = dst_win->area[0].xact;
1019                 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1020                 Rga_Request.dst.y_offset = 0;
1021                 break;
1022         case ROTATE_180:
1023                 Rga_Request.rotate_mode = 1;
1024                 Rga_Request.sina = 0;
1025                 Rga_Request.cosa = -65536;
1026                 Rga_Request.dst.act_w = dst_win->area[0].xact;
1027                 Rga_Request.dst.act_h = dst_win->area[0].yact;
1028                 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1029                 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1030                 break;
1031         case ROTATE_270:
1032                 Rga_Request.rotate_mode = 1;
1033                 Rga_Request.sina = -65536;
1034                 Rga_Request.cosa = 0;
1035                 Rga_Request.dst.act_w = dst_win->area[0].yact;
1036                 Rga_Request.dst.act_h = dst_win->area[0].xact;
1037                 Rga_Request.dst.x_offset = 0;
1038                 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1039                 break;
1040         default:
1041                 Rga_Request.rotate_mode = 0;
1042                 Rga_Request.dst.act_w = dst_win->area[0].xact;
1043                 Rga_Request.dst.act_h = dst_win->area[0].yact;
1044                 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1045                 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1046                 break;
1047         }
1048
1049 /*
1050         fd = ion_share_dma_buf_fd(rk_fb->ion_client, src_win->area[0].ion_hdl);
1051         Rga_Request.src.yrgb_addr = fd;
1052         fd = ion_share_dma_buf_fd(rk_fb->ion_client, dst_win->area[0].ion_hdl);
1053         Rga_Request.dst.yrgb_addr = fd;
1054 */
1055         Rga_Request.src.yrgb_addr = 0;
1056         Rga_Request.src.uv_addr =
1057             src_win->area[0].smem_start + src_win->area[0].y_offset;
1058         Rga_Request.src.v_addr = 0;
1059
1060         Rga_Request.dst.yrgb_addr = 0;
1061         Rga_Request.dst.uv_addr =
1062             dst_win->area[0].smem_start + dst_win->area[0].y_offset;
1063         Rga_Request.dst.v_addr = 0;
1064
1065         Rga_Request.src.vir_w = src_win->area[0].xvir;
1066         Rga_Request.src.vir_h = src_win->area[0].yvir;
1067         Rga_Request.src.format = get_rga_format(src_win->format);
1068         Rga_Request.src.act_w = src_win->area[0].xact;
1069         Rga_Request.src.act_h = src_win->area[0].yact;
1070         Rga_Request.src.x_offset = 0;
1071         Rga_Request.src.y_offset = 0;
1072
1073         Rga_Request.dst.vir_w = dst_win->area[0].xvir;
1074         Rga_Request.dst.vir_h = dst_win->area[0].yvir;
1075         Rga_Request.dst.format = get_rga_format(dst_win->format);
1076
1077         Rga_Request.clip.xmin = 0;
1078         Rga_Request.clip.xmax = dst_win->area[0].xact - 1;
1079         Rga_Request.clip.ymin = 0;
1080         Rga_Request.clip.ymax = dst_win->area[0].yact - 1;
1081         Rga_Request.scale_mode = 0;
1082 #if defined(CONFIG_ROCKCHIP_IOMMU)
1083         if (iommu_en) {
1084                 Rga_Request.mmu_info.mmu_en = 1;
1085                 Rga_Request.mmu_info.mmu_flag = 1;
1086         } else {
1087                 Rga_Request.mmu_info.mmu_en = 0;
1088                 Rga_Request.mmu_info.mmu_flag = 0;
1089         }
1090 #else
1091         Rga_Request.mmu_info.mmu_en = 0;
1092         Rga_Request.mmu_info.mmu_flag = 0;
1093 #endif
1094
1095         ret = rga_ioctl_kernel(&Rga_Request);
1096 }
1097
1098 /*
1099  * This function is used for copying fb by RGA Module
1100  * RGA only support copy RGB to RGB
1101  * RGA2 support copy RGB to RGB and YUV to YUV
1102  */
1103 static void fb_copy_by_rga(struct fb_info *dst_info,
1104                                 struct fb_info *src_info)
1105 {
1106         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)src_info->par;
1107         struct rk_lcdc_driver *ext_dev_drv =
1108             (struct rk_lcdc_driver *)dst_info->par;
1109         int win_id = 0, ext_win_id;
1110         struct rk_lcdc_win *src_win, *dst_win;
1111
1112         win_id = dev_drv->ops->fb_get_win_id(dev_drv, src_info->fix.id);
1113         src_win = dev_drv->win[win_id];
1114
1115         ext_win_id =
1116             ext_dev_drv->ops->fb_get_win_id(ext_dev_drv, dst_info->fix.id);
1117         dst_win = ext_dev_drv->win[ext_win_id];
1118
1119         win_copy_by_rga(dst_win, src_win, ext_dev_drv->rotate_mode,
1120                         ext_dev_drv->iommu_enabled);
1121 }
1122
1123 #endif
1124
1125 static int rk_fb_rotate(struct fb_info *dst_info,
1126                           struct fb_info *src_info)
1127 {
1128
1129 #if defined(CONFIG_RK29_IPP)
1130         fb_copy_by_ipp(dst_info, src_info);
1131 #elif defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1132         fb_copy_by_rga(dst_info, src_info);
1133 #else
1134         return -1;
1135 #endif
1136         return 0;
1137 }
1138
1139 static int rk_fb_win_rotate(struct rk_lcdc_win *dst_win,
1140                             struct rk_lcdc_win *src_win,
1141                             u16 rotate, int iommu_en)
1142 {
1143 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1144         win_copy_by_rga(dst_win, src_win, rotate, iommu_en);
1145 #else
1146         return -1;
1147 #endif
1148         return 0;
1149 }
1150
1151 static int rk_fb_set_ext_win_buffer(struct rk_lcdc_win *ext_win,
1152                                          struct rk_lcdc_win *win,
1153                                          u16 rotate, int iommu_en)
1154 {
1155         struct rk_fb *rk_fb =  platform_get_drvdata(fb_pdev);
1156         struct fb_info *ext_info = rk_fb->fb[(rk_fb->num_fb >> 1)];
1157         struct rk_lcdc_driver *ext_dev_drv = rk_get_extend_lcdc_drv();
1158         struct rk_lcdc_win *last_win;
1159         static u8 fb_index = 0;
1160         ion_phys_addr_t phy_addr;
1161         size_t len = 0;
1162         int ret = 0;
1163         bool is_yuv = false;
1164
1165         if (unlikely(!ext_win) || unlikely(!win))
1166                 return -1;
1167
1168         if (rk_fb->disp_mode != DUAL || ext_info == NULL)
1169                 return 0;
1170
1171         switch (ext_win->format) {
1172         case YUV422:
1173         case YUV420:
1174         case YUV444:
1175         case YUV422_A:
1176         case YUV420_A:
1177         case YUV444_A:
1178                 is_yuv = true;
1179                 break;
1180         default:
1181                 is_yuv = false;
1182                 break;
1183         }
1184
1185         /* no rotate mode */
1186         if (rotate <= X_Y_MIRROR) {
1187                 if (iommu_en) {
1188                         ret = ion_map_iommu(ext_dev_drv->dev,
1189                                             rk_fb->ion_client,
1190                                             win->area[0].ion_hdl,
1191                                             (unsigned long *)&phy_addr,
1192                                             (unsigned long *)&len);
1193                         if (ret < 0) {
1194                                 dev_err(ext_dev_drv->dev, "ion map to get phy addr failed\n");
1195                                 ion_free(rk_fb->ion_client, win->area[0].ion_hdl);
1196                                 return -ENOMEM;
1197                         }
1198                         ext_win->area[0].smem_start = phy_addr;
1199                         ext_win->area[0].y_offset = win->area[0].y_offset;
1200                         if (is_yuv) {
1201                                 ext_win->area[0].cbr_start = win->area[0].cbr_start;
1202                                 ext_win->area[0].c_offset = win->area[0].c_offset;
1203                         } else {
1204                                 ext_win->area[0].cbr_start = 0;
1205                                 ext_win->area[0].c_offset = 0;
1206                         }
1207                 } else {
1208                         ext_win->area[0].smem_start = win->area[0].smem_start;
1209                         ext_win->area[0].y_offset = win->area[0].y_offset;
1210                         if (is_yuv) {
1211                                 ext_win->area[0].cbr_start = win->area[0].cbr_start;
1212                                 ext_win->area[0].c_offset = win->area[0].c_offset;
1213                         } else {
1214                                 ext_win->area[0].cbr_start = 0;
1215                                 ext_win->area[0].c_offset = 0;
1216                         }
1217                 }
1218
1219                 return 0;
1220         }
1221
1222         /* rotate mode */
1223         if (!iommu_en) {
1224                 if (ext_win->id == 0) {
1225                         ext_win->area[0].smem_start = rk_fb->ext_fb_phy_base;
1226                         ext_win->area[0].y_offset = (get_rotate_fb_size() >> 1) * fb_index;
1227                         if ((++fb_index) > 1)
1228                                 fb_index = 0;
1229                 } else {
1230                         ext_win->area[0].y_offset = 0;
1231                         last_win = ext_dev_drv->win[ext_win->id - 1];
1232                         if (last_win->area[0].cbr_start)
1233                                 ext_win->area[0].smem_start =
1234                                         last_win->area[0].cbr_start +
1235                                         last_win->area[0].c_offset +
1236                                         last_win->area[0].xvir * last_win->area[0].yvir;
1237                         else
1238                                 ext_win->area[0].smem_start =
1239                                         last_win->area[0].smem_start +
1240                                         last_win->area[0].y_offset +
1241                                         last_win->area[0].xvir * last_win->area[0].yvir;
1242                 }
1243
1244                 if (is_yuv) {
1245                         ext_win->area[0].cbr_start =
1246                                 ext_win->area[0].smem_start +
1247                                 ext_win->area[0].y_offset +
1248                                 ext_win->area[0].xvir * ext_win->area[0].yvir;
1249                         ext_win->area[0].c_offset = win->area[0].c_offset;
1250                 } else {
1251                         ext_win->area[0].cbr_start = 0;
1252                         ext_win->area[0].c_offset = 0;
1253                 }
1254         }
1255
1256         return 0;
1257 }
1258
1259 static int rk_fb_pan_display(struct fb_var_screeninfo *var,
1260                              struct fb_info *info)
1261 {
1262         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
1263         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
1264         struct fb_fix_screeninfo *fix = &info->fix;
1265         struct fb_info *extend_info = NULL;
1266         struct rk_lcdc_driver *extend_dev_drv = NULL;
1267         int win_id = 0, extend_win_id = 0;
1268         struct rk_lcdc_win *extend_win = NULL;
1269         struct rk_lcdc_win *win = NULL;
1270         struct rk_screen *screen = dev_drv->cur_screen;
1271         int fb_id = 0;
1272
1273         u32 xoffset = var->xoffset;
1274         u32 yoffset = var->yoffset;
1275         u32 xvir = var->xres_virtual;
1276         /* u32 yvir = var->yres_virtual; */
1277         /* u8 data_format = var->nonstd&0xff; */
1278
1279         u8 pixel_width;
1280         u32 vir_width_bit;
1281         u32 stride, uv_stride;
1282         u32 stride_32bit_1;
1283         u32 stride_32bit_2;
1284         u16 uv_x_off, uv_y_off, uv_y_act;
1285         u8 is_pic_yuv = 0;
1286
1287         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1288         if (win_id < 0)
1289                 return -ENODEV;
1290         else
1291                 win = dev_drv->win[win_id];
1292
1293         if (rk_fb->disp_mode == DUAL) {
1294                 fb_id = get_extend_fb_id(info);
1295                 extend_info = rk_fb->fb[(rk_fb->num_fb >> 1) + fb_id];
1296                 extend_dev_drv = (struct rk_lcdc_driver *)extend_info->par;
1297                 extend_win_id = dev_drv->ops->fb_get_win_id(extend_dev_drv,
1298                                                            extend_info->fix.id);
1299                 extend_win = extend_dev_drv->win[extend_win_id];
1300         }
1301
1302         pixel_width = rk_fb_pixel_width(win->format);
1303         vir_width_bit = pixel_width * xvir;
1304         /* pixel_width = byte_num * 8 */
1305         stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
1306         stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
1307
1308         switch (win->format) {
1309         case YUV422:
1310         case YUV422_A:
1311                 is_pic_yuv = 1;
1312                 stride = stride_32bit_1;
1313                 uv_stride = stride_32bit_1 >> 1;
1314                 uv_x_off = xoffset >> 1;
1315                 uv_y_off = yoffset;
1316                 fix->line_length = stride;
1317                 uv_y_act = win->area[0].yact >> 1;
1318                 break;
1319         case YUV420:            /* 420sp */
1320         case YUV420_A:
1321                 is_pic_yuv = 1;
1322                 stride = stride_32bit_1;
1323                 uv_stride = stride_32bit_1;
1324                 uv_x_off = xoffset;
1325                 uv_y_off = yoffset >> 1;
1326                 fix->line_length = stride;
1327                 uv_y_act = win->area[0].yact >> 1;
1328                 break;
1329         case YUV444:
1330         case YUV444_A:
1331                 is_pic_yuv = 1;
1332                 stride = stride_32bit_1;
1333                 uv_stride = stride_32bit_2;
1334                 uv_x_off = xoffset * 2;
1335                 uv_y_off = yoffset;
1336                 fix->line_length = stride << 2;
1337                 uv_y_act = win->area[0].yact;
1338                 break;
1339         default:
1340                 stride = stride_32bit_1;        /* default rgb */
1341                 fix->line_length = stride;
1342                 break;
1343         }
1344
1345         /* x y mirror ,jump line */
1346         if (screen->y_mirror == 1) {
1347                 if (screen->interlace == 1) {
1348                         win->area[0].y_offset = yoffset * stride * 2 +
1349                             ((win->area[0].yact - 1) * 2 + 1) * stride +
1350                             xoffset * pixel_width / 8;
1351                 } else {
1352                         win->area[0].y_offset = yoffset * stride +
1353                             (win->area[0].yact - 1) * stride +
1354                             xoffset * pixel_width / 8;
1355                 }
1356         } else {
1357                 if (screen->interlace == 1) {
1358                         win->area[0].y_offset =
1359                             yoffset * stride * 2 + xoffset * pixel_width / 8;
1360                 } else {
1361                         win->area[0].y_offset =
1362                             yoffset * stride + xoffset * pixel_width / 8;
1363                 }
1364         }
1365         if (is_pic_yuv == 1) {
1366                 if (screen->y_mirror == 1) {
1367                         if (screen->interlace == 1) {
1368                                 win->area[0].c_offset =
1369                                     uv_y_off * uv_stride * 2 +
1370                                     ((uv_y_act - 1) * 2 + 1) * uv_stride +
1371                                     uv_x_off * pixel_width / 8;
1372                         } else {
1373                                 win->area[0].c_offset = uv_y_off * uv_stride +
1374                                     (uv_y_act - 1) * uv_stride +
1375                                     uv_x_off * pixel_width / 8;
1376                         }
1377                 } else {
1378                         if (screen->interlace == 1) {
1379                                 win->area[0].c_offset =
1380                                     uv_y_off * uv_stride * 2 +
1381                                     uv_x_off * pixel_width / 8;
1382                         } else {
1383                                 win->area[0].c_offset =
1384                                     uv_y_off * uv_stride +
1385                                     uv_x_off * pixel_width / 8;
1386                         }
1387                 }
1388         }
1389
1390         win->area[0].smem_start = fix->smem_start;
1391         win->area[0].cbr_start = fix->mmio_start;
1392         win->area[0].state = 1;
1393         win->area_num = 1;
1394
1395         dev_drv->ops->pan_display(dev_drv, win_id);
1396
1397         if (rk_fb->disp_mode == DUAL) {
1398                 if (extend_win->state && hdmi_switch_complete) {
1399                         rk_fb_set_ext_win_buffer(extend_win, win,
1400                                                  extend_dev_drv->rotate_mode,
1401                                                  extend_dev_drv->iommu_enabled);
1402                         if (extend_dev_drv->rotate_mode > X_Y_MIRROR)
1403                                 rk_fb_rotate(extend_info, info);
1404
1405                         extend_dev_drv->ops->pan_display(extend_dev_drv,
1406                                                          extend_win_id);
1407                         extend_dev_drv->ops->cfg_done(extend_dev_drv);
1408                 }
1409         }
1410 #ifdef  CONFIG_FB_MIRRORING
1411         if (video_data_to_mirroring)
1412                 video_data_to_mirroring(info, NULL);
1413 #endif
1414         dev_drv->ops->cfg_done(dev_drv);
1415         return 0;
1416 }
1417
1418 static int rk_fb_get_list_stat(struct rk_lcdc_driver *dev_drv)
1419 {
1420         int i, j;
1421
1422         i = list_empty(&dev_drv->update_regs_list);
1423         j = list_empty(&saved_list);
1424         return i == j ? 0 : 1;
1425 }
1426
1427 void rk_fd_fence_wait(struct rk_lcdc_driver *dev_drv, struct sync_fence *fence)
1428 {
1429         int err = sync_fence_wait(fence, 1000);
1430
1431         if (err >= 0)
1432                 return;
1433
1434         if (err == -ETIME)
1435                 err = sync_fence_wait(fence, 10 * MSEC_PER_SEC);
1436
1437         if (err < 0)
1438                 printk("error waiting on fence\n");
1439 }
1440
1441 static int rk_fb_copy_from_loader(struct fb_info *info)
1442 {
1443         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
1444         void *dst = info->screen_base;
1445         u32 dsp_addr[4];
1446         u32 src;
1447         u32 i;
1448         struct rk_lcdc_win *win = dev_drv->win[0];
1449         u32 size = (win->area[0].xact) * (win->area[0].yact) << 2;
1450         dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1451         src = dsp_addr[0];
1452         dev_info(info->dev, "copy fb data %d x %d  from  dst_addr:%08x\n",
1453                  win->area[0].xact, win->area[0].yact, src);
1454         for (i = 0; i < size; i += PAGE_SIZE) {
1455                 void *page = phys_to_page(i + src);
1456                 void *from_virt = kmap(page);
1457                 void *to_virt = dst + i;
1458                 memcpy(to_virt, from_virt, PAGE_SIZE);
1459         }
1460         return 0;
1461 }
1462
1463 #ifdef CONFIG_ROCKCHIP_IOMMU
1464 static int g_last_addr[4];
1465 int g_last_timeout;
1466 u32 freed_addr[10];
1467 u32 freed_index;
1468
1469 #define DUMP_CHUNK 256
1470 char buf[PAGE_SIZE];
1471
1472 int rk_fb_sysmmu_fault_handler(struct device *dev,
1473                                enum rk_iommu_inttype itype,
1474                                unsigned long pgtable_base,
1475                                unsigned long fault_addr, unsigned int status)
1476 {
1477         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
1478         int i = 0;
1479         static int page_fault_cnt;
1480         if ((page_fault_cnt++) >= 10)
1481                 return 0;
1482         pr_err
1483             ("PAGE FAULT occurred at 0x%lx (Page table base: 0x%lx),status=%d\n",
1484              fault_addr, pgtable_base, status);
1485         printk("last config addr:\n" "win0:0x%08x\n" "win1:0x%08x\n"
1486                "win2:0x%08x\n" "win3:0x%08x\n", g_last_addr[0], g_last_addr[1],
1487                g_last_addr[2], g_last_addr[3]);
1488         printk("last freed buffer:\n");
1489         for (i = 0; (freed_addr[i] != 0xfefefefe) && freed_addr[i]; i++)
1490                 printk("%d:0x%08x\n", i, freed_addr[i]);
1491         printk("last timeout:%d\n", g_last_timeout);
1492         dev_drv->ops->get_disp_info(dev_drv, buf, 0);
1493         for (i = 0; i < PAGE_SIZE; i += DUMP_CHUNK) {
1494                 if ((PAGE_SIZE - i) > DUMP_CHUNK) {
1495                         char c = buf[i + DUMP_CHUNK];
1496                         buf[i + DUMP_CHUNK] = 0;
1497                         pr_cont("%s", buf + i);
1498                         buf[i + DUMP_CHUNK] = c;
1499                 } else {
1500                         buf[PAGE_SIZE - 1] = 0;
1501                         pr_cont("%s", buf + i);
1502                 }
1503         }
1504
1505         return 0;
1506 }
1507 #endif
1508
1509 void rk_fb_free_dma_buf(struct rk_lcdc_driver *dev_drv,
1510                         struct rk_fb_reg_win_data *reg_win_data)
1511 {
1512         int i, index_buf;
1513         struct rk_fb_reg_area_data *area_data;
1514         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1515 #if defined(CONFIG_ROCKCHIP_IOMMU)
1516         struct rk_lcdc_driver *ext_dev_drv = rk_get_extend_lcdc_drv();
1517 #endif
1518
1519         for (i = 0; i < reg_win_data->area_num; i++) {
1520                 area_data = &reg_win_data->reg_area_data[i];
1521                 index_buf = area_data->index_buf;
1522 #if defined(CONFIG_ROCKCHIP_IOMMU)
1523                 if (dev_drv->iommu_enabled) {
1524                         ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client,
1525                                         area_data->ion_handle);
1526                         freed_addr[freed_index++] = area_data->smem_start;
1527                 }
1528                 if (rk_fb->disp_mode == DUAL && hdmi_switch_complete) {
1529                         if (ext_dev_drv->iommu_enabled)
1530                                 ion_unmap_iommu(ext_dev_drv->dev,
1531                                                 rk_fb->ion_client,
1532                                                 area_data->ion_handle);
1533                 }
1534 #endif
1535                 if (area_data->ion_handle != NULL) {
1536                         ion_unmap_kernel(rk_fb->ion_client,
1537                                          area_data->ion_handle);
1538                         ion_free(rk_fb->ion_client, area_data->ion_handle);
1539                 }
1540                 if (area_data->acq_fence)
1541                         sync_fence_put(area_data->acq_fence);
1542         }
1543         memset(reg_win_data, 0, sizeof(struct rk_fb_reg_win_data));
1544 }
1545
1546 /*
1547  * function: update extend win info acorrding to primary win info,
1548         the function is only used for dual display mode
1549  * @ext_dev_drv: the extend lcdc driver
1550  * @dev_drv: the primary lcdc driver
1551  * @ext_win: the lcdc win info of extend screen
1552  * @win: the lcdc win info of primary screen
1553  */
1554 static int rk_fb_update_ext_win(struct rk_lcdc_driver *ext_dev_drv,
1555                                      struct rk_lcdc_driver *dev_drv,
1556                                      struct rk_lcdc_win *ext_win,
1557                                      struct rk_lcdc_win *win)
1558 {
1559         struct rk_screen *screen = dev_drv->cur_screen;
1560         struct rk_screen *ext_screen = ext_dev_drv->cur_screen;
1561         int hdmi_xsize = ext_screen->xsize;
1562         int hdmi_ysize = ext_screen->ysize;
1563         int pixel_width, vir_width_bit, y_stride;
1564         bool is_yuv = false;
1565         int rotate_mode = 0;
1566
1567         if (unlikely(!dev_drv) || unlikely(!ext_dev_drv) ||
1568             unlikely(!ext_win) || unlikely(!win))
1569                 return -1;
1570
1571         rotate_mode = ext_dev_drv->rotate_mode;
1572
1573         if (ext_win->state == 0) {
1574                 dev_info(ext_dev_drv->dev, "extend lcdc win is closed\n");
1575                 return 0;
1576         }
1577
1578         ext_win->area[0].state = win->area[0].state;
1579         ext_win->area_num = win->area_num;
1580         ext_win->format = win->format;
1581         ext_win->fmt_10 = win->fmt_10;
1582         ext_win->z_order = win->z_order;
1583         ext_win->alpha_en = win->alpha_en;
1584         ext_win->alpha_mode = win->alpha_mode;
1585         ext_win->g_alpha_val = win->g_alpha_val;
1586
1587         switch (ext_win->format) {
1588         case YUV422:
1589         case YUV420:
1590         case YUV444:
1591         case YUV422_A:
1592         case YUV420_A:
1593         case YUV444_A:
1594                 is_yuv = true;
1595                 break;
1596         default:
1597                 is_yuv = false;
1598                 break;
1599         }
1600
1601         if (rotate_mode == ROTATE_90 || rotate_mode == ROTATE_270) {
1602                 ext_win->area[0].xact = win->area[0].yact;
1603                 ext_win->area[0].yact = win->area[0].xact;
1604                 ext_win->area[0].xvir = win->area[0].yact;
1605                 ext_win->area[0].yvir = win->area[0].xact;
1606
1607                 pixel_width = rk_fb_pixel_width(ext_win->format);
1608                 vir_width_bit = pixel_width * ext_win->area[0].xvir;
1609                 y_stride = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
1610                 ext_win->area[0].y_vir_stride = y_stride >> 2;
1611                 if (is_yuv)
1612                         ext_win->area[0].uv_vir_stride = ext_win->area[0].y_vir_stride;
1613                 else
1614                         ext_win->area[0].uv_vir_stride = 0;
1615         } else {
1616                 ext_win->area[0].xact = win->area[0].xact;
1617                 ext_win->area[0].yact = win->area[0].yact;
1618                 if (win->area[0].xvir == 0)
1619                         ext_win->area[0].xvir = win->area[0].xact;
1620                 else
1621                         ext_win->area[0].xvir = win->area[0].xvir;
1622                 if (win->area[0].yvir == 0)
1623                         ext_win->area[0].yvir = win->area[0].yact;
1624                 else
1625                         ext_win->area[0].yvir = win->area[0].yvir;
1626                 ext_win->area[0].y_vir_stride = win->area[0].y_vir_stride;
1627                 if (is_yuv)
1628                         ext_win->area[0].uv_vir_stride = win->area[0].uv_vir_stride;
1629                 else
1630                         ext_win->area[0].uv_vir_stride = 0;
1631         }
1632
1633         if (win->area[0].xpos != 0 || win->area[0].ypos != 0) {
1634                 if (rotate_mode == ROTATE_270) {
1635                         int xbom_pos = 0, ybom_pos = 0;
1636                         int xtop_pos = 0, ytop_pos = 0;
1637
1638                         ext_win->area[0].xsize =
1639                                 hdmi_xsize * win->area[0].ysize / screen->mode.yres;
1640                         ext_win->area[0].ysize =
1641                                 hdmi_ysize * win->area[0].xsize / screen->mode.xres;
1642                         xbom_pos =
1643                                 hdmi_xsize * win->area[0].ypos / screen->mode.yres;
1644                         ybom_pos = hdmi_ysize * win->area[0].xpos / screen->mode.xres;
1645                         xtop_pos = hdmi_xsize - ext_win->area[0].xsize - xbom_pos;
1646                         ytop_pos = hdmi_ysize - ext_win->area[0].ysize - ybom_pos;
1647                         ext_win->area[0].xpos =
1648                                 ((ext_screen->mode.xres - hdmi_xsize) >> 1) + xtop_pos;
1649                         ext_win->area[0].ypos =
1650                                 ((ext_screen->mode.yres - hdmi_ysize) >> 1) + ytop_pos;
1651                 } else if (rotate_mode == ROTATE_90) {
1652                         ext_win->area[0].xsize =
1653                                 hdmi_xsize * win->area[0].ysize / screen->mode.yres;
1654                         ext_win->area[0].ysize =
1655                                 hdmi_ysize * win->area[0].xsize / screen->mode.xres;
1656                         ext_win->area[0].xpos =
1657                                 ((ext_screen->mode.xres - hdmi_xsize) >> 1) +
1658                                 hdmi_xsize * win->area[0].ypos / screen->mode.yres;
1659                         ext_win->area[0].ypos =
1660                                 ((ext_screen->mode.yres - hdmi_ysize) >> 1) +
1661                                 hdmi_ysize * win->area[0].xpos / screen->mode.xres;
1662                 } else {
1663                         ext_win->area[0].xsize =
1664                                 hdmi_xsize * win->area[0].xsize / screen->mode.xres;
1665                         ext_win->area[0].ysize =
1666                                 hdmi_ysize * win->area[0].ysize / screen->mode.yres;
1667                         ext_win->area[0].xpos =
1668                                 ((ext_screen->mode.xres - hdmi_xsize) >> 1) +
1669                                 hdmi_xsize * win->area[0].xpos / screen->mode.xres;
1670                         ext_win->area[0].ypos =
1671                                 ((ext_screen->mode.yres - hdmi_ysize) >> 1) +
1672                                 hdmi_ysize * win->area[0].ypos / screen->mode.yres;
1673                 }
1674         } else {
1675                 ext_win->area[0].xsize = hdmi_xsize;
1676                 ext_win->area[0].ysize = hdmi_ysize;
1677                 ext_win->area[0].xpos =
1678                         (ext_screen->mode.xres - hdmi_xsize) >> 1;
1679                 ext_win->area[0].ypos =
1680                         (ext_screen->mode.yres - hdmi_ysize) >> 1;
1681         }
1682
1683         return 0;
1684 }
1685
1686 static void rk_fb_update_win(struct rk_lcdc_driver *dev_drv,
1687                                 struct rk_lcdc_win *win,
1688                                 struct rk_fb_reg_win_data *reg_win_data)
1689 {
1690         int i = 0;
1691         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
1692         struct rk_screen *cur_screen;
1693         struct rk_screen primary_screen;
1694
1695         if (unlikely(!inf) || unlikely(!dev_drv) ||
1696             unlikely(!win) || unlikely(!reg_win_data))
1697                 return;
1698
1699         cur_screen = dev_drv->cur_screen;
1700         rk_fb_get_prmry_screen(&primary_screen);
1701
1702         win->area_num = reg_win_data->area_num;
1703         win->format = reg_win_data->data_format;
1704         win->id = reg_win_data->win_id;
1705         win->z_order = reg_win_data->z_order;
1706
1707         if (reg_win_data->reg_area_data[0].smem_start > 0) {
1708                 win->state = 1;
1709                 win->area_num = reg_win_data->area_num;
1710                 win->format = reg_win_data->data_format;
1711                 win->id = reg_win_data->win_id;
1712                 win->z_order = reg_win_data->z_order;
1713                 win->area[0].uv_vir_stride =
1714                     reg_win_data->reg_area_data[0].uv_vir_stride;
1715                 win->area[0].cbr_start =
1716                     reg_win_data->reg_area_data[0].cbr_start;
1717                 win->area[0].c_offset = reg_win_data->reg_area_data[0].c_offset;
1718                 win->alpha_en = reg_win_data->alpha_en;
1719                 win->alpha_mode = reg_win_data->alpha_mode;
1720                 win->g_alpha_val = reg_win_data->g_alpha_val;
1721                 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
1722                         if (reg_win_data->reg_area_data[i].smem_start > 0) {
1723                                 win->area[i].ion_hdl =
1724                                         reg_win_data->reg_area_data[i].ion_handle;
1725                                 win->area[i].smem_start =
1726                                         reg_win_data->reg_area_data[i].smem_start;
1727                                 if (inf->disp_mode == DUAL) {
1728                                         win->area[i].xpos =
1729                                                 reg_win_data->reg_area_data[i].xpos;
1730                                         win->area[i].ypos =
1731                                                 reg_win_data->reg_area_data[i].ypos;
1732                                         win->area[i].xsize =
1733                                                 reg_win_data->reg_area_data[i].xsize;
1734                                         win->area[i].ysize =
1735                                                 reg_win_data->reg_area_data[i].ysize;
1736                                 } else {
1737                                         win->area[i].xpos =
1738                                                 reg_win_data->reg_area_data[i].xpos *
1739                                                 cur_screen->mode.xres /
1740                                                 primary_screen.mode.xres;
1741                                         win->area[i].ypos =
1742                                                 reg_win_data->reg_area_data[i].ypos *
1743                                                 cur_screen->mode.yres /
1744                                                 primary_screen.mode.yres;
1745                                         win->area[i].xsize =
1746                                                 reg_win_data->reg_area_data[i].xsize *
1747                                                 cur_screen->mode.xres /
1748                                                 primary_screen.mode.xres;
1749                                         win->area[i].ysize =
1750                                                 reg_win_data->reg_area_data[i].ysize *
1751                                                 cur_screen->mode.yres /
1752                                                 primary_screen.mode.yres;
1753                                 }
1754                                 win->area[i].xact =
1755                                     reg_win_data->reg_area_data[i].xact;
1756                                 win->area[i].yact =
1757                                     reg_win_data->reg_area_data[i].yact;
1758                                 win->area[i].xvir =
1759                                     reg_win_data->reg_area_data[i].xvir;
1760                                 win->area[i].yvir =
1761                                     reg_win_data->reg_area_data[i].yvir;
1762                                 win->area[i].y_offset =
1763                                     reg_win_data->reg_area_data[i].y_offset;
1764                                 win->area[i].y_vir_stride =
1765                                     reg_win_data->reg_area_data[i].y_vir_stride;
1766                                 win->area[i].state = 1;
1767                         } else {
1768                                 win->area[i].state = 0;
1769                         }
1770                 }
1771         } else {
1772         /*
1773                 win->state = 0;
1774                 win->z_order = -1;
1775         */
1776         }
1777 }
1778
1779 static struct rk_fb_reg_win_data *rk_fb_get_win_data(struct rk_fb_reg_data
1780                                                      *regs, int win_id)
1781 {
1782         int i;
1783         struct rk_fb_reg_win_data *win_data = NULL;
1784         for (i = 0; i < regs->win_num; i++) {
1785                 if (regs->reg_win_data[i].win_id == win_id) {
1786                         win_data = &(regs->reg_win_data[i]);
1787                         break;
1788                 }
1789         }
1790
1791         return win_data;
1792 }
1793
1794 static void rk_fb_update_reg(struct rk_lcdc_driver *dev_drv,
1795                              struct rk_fb_reg_data *regs)
1796 {
1797         int i, j;
1798         struct rk_lcdc_win *win;
1799         ktime_t timestamp = dev_drv->vsync_info.timestamp;
1800         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1801         struct rk_lcdc_driver *ext_dev_drv;
1802         struct rk_lcdc_win *ext_win;
1803         struct rk_fb_reg_win_data *win_data;
1804         bool wait_for_vsync;
1805         int count = 100;
1806         unsigned int dsp_addr[4];
1807         long timeout;
1808
1809         /* acq_fence wait */
1810         for (i = 0; i < regs->win_num; i++) {
1811                 win_data = &regs->reg_win_data[i];
1812                 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1813                         if (win_data->reg_area_data[j].acq_fence) {
1814                                 /* printk("acq_fence wait!!!!!\n"); */
1815                                 rk_fd_fence_wait(dev_drv, win_data->reg_area_data[j].acq_fence);
1816                         }
1817                 }
1818         }
1819
1820         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1821                 win = dev_drv->win[i];
1822                 win_data = rk_fb_get_win_data(regs, i);
1823                 if (win_data) {
1824                         rk_fb_update_win(dev_drv, win, win_data);
1825                         win->state = 1;
1826                         dev_drv->ops->set_par(dev_drv, i);
1827                         dev_drv->ops->pan_display(dev_drv, i);
1828 #if defined(CONFIG_ROCKCHIP_IOMMU)
1829                         if (dev_drv->iommu_enabled) {
1830                                 g_last_addr[i] = win_data->reg_area_data[0].smem_start +
1831                                         win_data->reg_area_data[0].y_offset;
1832                         }
1833 #endif
1834                 } else {
1835                         win->z_order = -1;
1836                         win->state = 0;
1837                 }
1838         }
1839         dev_drv->ops->ovl_mgr(dev_drv, 0, 1);
1840
1841         if ((rk_fb->disp_mode == DUAL)
1842             && (hdmi_get_hotplug() == HDMI_HPD_ACTIVED)
1843             && hdmi_switch_complete) {
1844                 ext_dev_drv = rk_get_extend_lcdc_drv();
1845                 if (!ext_dev_drv) {
1846                         printk(KERN_ERR "hdmi lcdc driver not found!\n");
1847                         goto ext_win_exit;
1848                 }
1849
1850                 /*
1851                   * For RK3288: win0 and win1 have only one area and support scale
1852                   * but win2 and win3 don't support scale
1853                   * so hdmi only use win0 or win1
1854                   */
1855                 for (i = 0; i < 2; i++) {
1856                         win = dev_drv->win[i];
1857                         ext_win = ext_dev_drv->win[i];
1858                         ext_win->state = win->state;
1859                         ext_win->id = win->id;
1860                         if (!ext_win->state)
1861                                 continue;
1862                         rk_fb_update_ext_win(ext_dev_drv, dev_drv, ext_win, win);
1863                         rk_fb_set_ext_win_buffer(ext_win, win,
1864                                                  ext_dev_drv->rotate_mode,
1865                                                  ext_dev_drv->iommu_enabled);
1866
1867                         if (ext_dev_drv->rotate_mode > X_Y_MIRROR)
1868                                 rk_fb_win_rotate(ext_win, win,
1869                                                  ext_dev_drv->rotate_mode,
1870                                                  ext_dev_drv->iommu_enabled);
1871
1872                         ext_dev_drv->ops->set_par(ext_dev_drv, i);
1873                         ext_dev_drv->ops->pan_display(ext_dev_drv, i);
1874                 }
1875
1876                 ext_dev_drv->ops->cfg_done(ext_dev_drv);
1877         }
1878 ext_win_exit:
1879         dev_drv->ops->cfg_done(dev_drv);
1880
1881         do {
1882                 timestamp = dev_drv->vsync_info.timestamp;
1883                 timeout = wait_event_interruptible_timeout(dev_drv->vsync_info.wait,
1884                                 ktime_compare(dev_drv->vsync_info.timestamp, timestamp) > 0,
1885                                 msecs_to_jiffies(25));
1886                 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1887                 wait_for_vsync = false;
1888                 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1889                         if (dev_drv->win[i]->state == 1) {
1890                                 u32 new_start =
1891                                     dev_drv->win[i]->area[0].smem_start +
1892                                     dev_drv->win[i]->area[0].y_offset;
1893                                 u32 reg_start = dsp_addr[i];
1894
1895                                 if (unlikely(new_start != reg_start)) {
1896                                         wait_for_vsync = true;
1897                                         dev_info(dev_drv->dev,
1898                                                "win%d:new_addr:0x%08x cur_addr:0x%08x--%d\n",
1899                                                i, new_start, reg_start, 101 - count);
1900                                         break;
1901                                 }
1902                         }
1903                 }
1904         } while (wait_for_vsync && count--);
1905 #ifdef H_USE_FENCE
1906         sw_sync_timeline_inc(dev_drv->timeline, 1);
1907 #endif
1908         if (!g_first_buf) {
1909 #if defined(CONFIG_ROCKCHIP_IOMMU)
1910                 if (dev_drv->iommu_enabled) {
1911                         freed_index = 0;
1912                         g_last_timeout = timeout;
1913                 }
1914 #endif
1915                 for (i = 0; i < g_last_win_num; i++)
1916                         rk_fb_free_dma_buf(dev_drv, &g_reg_win_data[i]);
1917
1918 #if defined(CONFIG_ROCKCHIP_IOMMU)
1919                 if (dev_drv->iommu_enabled)
1920                         freed_addr[freed_index] = 0xfefefefe;
1921 #endif
1922         }
1923         for (i = 0; i < regs->win_num; i++) {
1924                 memcpy(&g_reg_win_data[i], &(regs->reg_win_data[i]),
1925                        sizeof(struct rk_fb_reg_win_data));
1926         }
1927         g_last_win_num = regs->win_num;
1928         g_first_buf = 0;
1929 }
1930
1931 static void rk_fb_update_regs_handler(struct kthread_work *work)
1932 {
1933         struct rk_lcdc_driver *dev_drv =
1934             container_of(work, struct rk_lcdc_driver, update_regs_work);
1935         struct rk_fb_reg_data *data, *next;
1936         /* struct list_head saved_list; */
1937
1938         mutex_lock(&dev_drv->update_regs_list_lock);
1939         saved_list = dev_drv->update_regs_list;
1940         list_replace_init(&dev_drv->update_regs_list, &saved_list);
1941         mutex_unlock(&dev_drv->update_regs_list_lock);
1942
1943         list_for_each_entry_safe(data, next, &saved_list, list) {
1944                 rk_fb_update_reg(dev_drv, data);
1945                 list_del(&data->list);
1946                 kfree(data);
1947         }
1948
1949         if (dev_drv->wait_fs && list_empty(&dev_drv->update_regs_list))
1950                 wake_up(&dev_drv->update_regs_wait);
1951 }
1952
1953 static int rk_fb_check_config_var(struct rk_fb_area_par *area_par,
1954                                   struct rk_screen *screen)
1955 {
1956         if ((area_par->x_offset + area_par->xact > area_par->xvir) ||
1957             (area_par->xact <= 0) || (area_par->yact <= 0) ||
1958             (area_par->xvir <= 0) || (area_par->yvir <= 0)) {
1959                 pr_err("check config var fail 0:\n"
1960                        "x_offset=%d,xact=%d,xvir=%d\n",
1961                        area_par->x_offset, area_par->xact, area_par->xvir);
1962                 return -EINVAL;
1963         }
1964
1965         if ((area_par->xpos + area_par->xsize > screen->mode.xres) ||
1966             (area_par->ypos + area_par->ysize > screen->mode.yres) ||
1967             (area_par->xsize <= 0) || (area_par->ysize <= 0)) {
1968                 pr_err("check config var fail 1:\n"
1969                        "xpos=%d,xsize=%d,xres=%d\n"
1970                        "ypos=%d,ysize=%d,yres=%d\n",
1971                        area_par->xpos, area_par->xsize, screen->mode.xres,
1972                        area_par->ypos, area_par->ysize, screen->mode.yres);
1973                 return -EINVAL;
1974         }
1975         return 0;
1976 }
1977
1978 static int rk_fb_set_win_buffer(struct fb_info *info,
1979                                 struct rk_fb_win_par *win_par,
1980                                 struct rk_fb_reg_win_data *reg_win_data)
1981 {
1982         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
1983         struct fb_fix_screeninfo *fix = &info->fix;
1984         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
1985         struct rk_screen *screen = dev_drv->cur_screen;
1986         struct rk_screen primary_screen;
1987         struct fb_info *fbi = rk_fb->fb[0];
1988         int i, ion_fd, acq_fence_fd;
1989         u32 xvir, yvir;
1990         u32 xoffset, yoffset;
1991
1992         struct ion_handle *hdl;
1993         size_t len;
1994         int index_buf;
1995         u8 fb_data_fmt;
1996         u8 pixel_width;
1997         u32 vir_width_bit;
1998         u32 stride, uv_stride;
1999         u32 stride_32bit_1;
2000         u32 stride_32bit_2;
2001         u16 uv_x_off, uv_y_off, uv_y_act;
2002         u8 is_pic_yuv = 0;
2003         u8 ppixel_a = 0, global_a = 0;
2004         ion_phys_addr_t phy_addr;
2005         int ret = 0;
2006
2007         reg_win_data->reg_area_data[0].smem_start = -1;
2008         reg_win_data->area_num = 0;
2009         fbi = rk_fb->fb[reg_win_data->win_id];
2010         if (win_par->area_par[0].phy_addr == 0) {
2011                 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
2012                         ion_fd = win_par->area_par[i].ion_fd;
2013                         if (ion_fd > 0) {
2014                                 hdl =
2015                                     ion_import_dma_buf(rk_fb->ion_client,
2016                                                        ion_fd);
2017                                 if (IS_ERR(hdl)) {
2018                                         pr_info
2019                                             ("%s: Could not import handle: %d\n",
2020                                              __func__, (int)hdl);
2021                                         /*return -EINVAL; */
2022                                         break;
2023                                 }
2024                                 fbi->screen_base =
2025                                     ion_map_kernel(rk_fb->ion_client, hdl);
2026                                 reg_win_data->area_num++;
2027                                 reg_win_data->reg_area_data[i].ion_handle = hdl;
2028 #ifndef CONFIG_ROCKCHIP_IOMMU
2029                                 ret = ion_phys(rk_fb->ion_client, hdl, &phy_addr,
2030                                                 &len);
2031 #else
2032                                 if (dev_drv->iommu_enabled)
2033                                         ret = ion_map_iommu(dev_drv->dev,
2034                                                                 rk_fb->ion_client,
2035                                                                 hdl,
2036                                                                 (unsigned long *)&phy_addr,
2037                                                                 (unsigned long *)&len);
2038                                 else
2039                                         ret = ion_phys(rk_fb->ion_client, hdl,
2040                                                         &phy_addr, &len);
2041 #endif
2042                                 if (ret < 0) {
2043                                         dev_err(fbi->dev, "ion map to get phy addr failed\n");
2044                                         ion_free(rk_fb->ion_client, hdl);
2045                                         return -ENOMEM;
2046                                 }
2047                                 reg_win_data->reg_area_data[i].smem_start = phy_addr;
2048                                 reg_win_data->area_buf_num++;
2049                                 reg_win_data->reg_area_data[i].index_buf = 1;
2050                         }
2051                 }
2052         } else {
2053                 reg_win_data->reg_area_data[0].smem_start =
2054                     win_par->area_par[0].phy_addr;
2055                 reg_win_data->area_num = 1;
2056                 fbi->screen_base = phys_to_virt(win_par->area_par[0].phy_addr);
2057         }
2058
2059         if (reg_win_data->area_num == 0)
2060                 return 0;
2061
2062         for (i = 0; i < reg_win_data->area_num; i++) {
2063                 acq_fence_fd = win_par->area_par[i].acq_fence_fd;
2064                 index_buf = reg_win_data->reg_area_data[i].index_buf;
2065                 if ((acq_fence_fd > 0) && (index_buf == 1)) {
2066                         reg_win_data->reg_area_data[i].acq_fence =
2067                             sync_fence_fdget(win_par->area_par[i].acq_fence_fd);
2068                 }
2069         }
2070         fb_data_fmt = rk_fb_data_fmt(win_par->data_format, 0);
2071         reg_win_data->data_format = fb_data_fmt;
2072         pixel_width = rk_fb_pixel_width(fb_data_fmt);
2073
2074         ppixel_a = ((fb_data_fmt == ARGB888) ||
2075                     (fb_data_fmt == ABGR888)) ? 1 : 0;
2076         global_a = (win_par->g_alpha_val == 0) ? 0 : 1;
2077         reg_win_data->alpha_en = ppixel_a | global_a;
2078         reg_win_data->g_alpha_val = win_par->g_alpha_val;
2079         reg_win_data->alpha_mode = win_par->alpha_mode;
2080         if (reg_win_data->reg_area_data[0].smem_start > 0) {
2081                 reg_win_data->z_order = win_par->z_order;
2082                 reg_win_data->win_id = win_par->win_id;
2083         } else {
2084                 reg_win_data->z_order = -1;
2085                 reg_win_data->win_id = -1;
2086         }
2087
2088         rk_fb_get_prmry_screen(&primary_screen);
2089         for (i = 0; i < reg_win_data->area_num; i++) {
2090                 rk_fb_check_config_var(&win_par->area_par[i], &primary_screen);
2091                 /* visiable pos in panel */
2092                 reg_win_data->reg_area_data[i].xpos = win_par->area_par[i].xpos;
2093                 reg_win_data->reg_area_data[i].ypos = win_par->area_par[i].ypos;
2094
2095                 /* realy size in panel */
2096                 reg_win_data->reg_area_data[i].xsize = win_par->area_par[i].xsize;
2097                 reg_win_data->reg_area_data[i].ysize = win_par->area_par[i].ysize;
2098
2099                 /* realy size in panel */
2100                 reg_win_data->reg_area_data[i].xact = win_par->area_par[i].xact;
2101                 reg_win_data->reg_area_data[i].yact = win_par->area_par[i].yact;
2102
2103                 xoffset = win_par->area_par[i].x_offset;        /* buf offset */
2104                 yoffset = win_par->area_par[i].y_offset;
2105                 xvir = win_par->area_par[i].xvir;
2106                 reg_win_data->reg_area_data[i].xvir = xvir;
2107                 yvir = win_par->area_par[i].yvir;
2108                 reg_win_data->reg_area_data[i].yvir = yvir;
2109
2110                 vir_width_bit = pixel_width * xvir;
2111                 /* pixel_width = byte_num*8 */
2112                 stride_32bit_1 = ((vir_width_bit + 31) & (~31)) / 8;
2113                 stride_32bit_2 = ((vir_width_bit * 2 + 31) & (~31)) / 8;
2114
2115                 stride = stride_32bit_1;        /* default rgb */
2116                 fix->line_length = stride;
2117                 reg_win_data->reg_area_data[i].y_vir_stride = stride >> 2;
2118
2119                 /* x y mirror ,jump line
2120                  * reg_win_data->reg_area_data[i].y_offset =
2121                  *              yoffset*stride+xoffset*pixel_width/8;
2122                  */
2123                 if (screen->y_mirror == 1) {
2124                         if (screen->interlace == 1) {
2125                                 reg_win_data->reg_area_data[i].y_offset =
2126                                     yoffset * stride * 2 +
2127                                     ((reg_win_data->reg_area_data[i].yact - 1) * 2 + 1) * stride +
2128                                     xoffset * pixel_width / 8;
2129                         } else {
2130                                 reg_win_data->reg_area_data[i].y_offset =
2131                                     yoffset * stride +
2132                                     (reg_win_data->reg_area_data[i].yact - 1) * stride +
2133                                     xoffset * pixel_width / 8;
2134                         }
2135                 } else {
2136                         if (screen->interlace == 1) {
2137                                 reg_win_data->reg_area_data[i].y_offset =
2138                                     yoffset * stride * 2 +
2139                                     xoffset * pixel_width / 8;
2140                         } else {
2141                                 reg_win_data->reg_area_data[i].y_offset =
2142                                     yoffset * stride +
2143                                     xoffset * pixel_width / 8;
2144                         }
2145                 }
2146         }
2147         switch (fb_data_fmt) {
2148         case YUV422:
2149         case YUV422_A:
2150                 is_pic_yuv = 1;
2151                 stride = stride_32bit_1;
2152                 uv_stride = stride_32bit_1 >> 1;
2153                 uv_x_off = xoffset >> 1;
2154                 uv_y_off = yoffset;
2155                 fix->line_length = stride;
2156                 uv_y_act = win_par->area_par[0].yact >> 1;
2157                 break;
2158         case YUV420:            /* 420sp */
2159         case YUV420_A:
2160                 is_pic_yuv = 1;
2161                 stride = stride_32bit_1;
2162                 uv_stride = stride_32bit_1;
2163                 uv_x_off = xoffset;
2164                 uv_y_off = yoffset >> 1;
2165                 fix->line_length = stride;
2166                 uv_y_act = win_par->area_par[0].yact >> 1;
2167                 break;
2168         case YUV444:
2169         case YUV444_A:
2170                 is_pic_yuv = 1;
2171                 stride = stride_32bit_1;
2172                 uv_stride = stride_32bit_2;
2173                 uv_x_off = xoffset * 2;
2174                 uv_y_off = yoffset;
2175                 fix->line_length = stride << 2;
2176                 uv_y_act = win_par->area_par[0].yact;
2177                 break;
2178         default:
2179                 break;
2180         }
2181         if (is_pic_yuv == 1) {
2182                 reg_win_data->reg_area_data[0].cbr_start =
2183                     reg_win_data->reg_area_data[0].smem_start + xvir * yvir;
2184                 reg_win_data->reg_area_data[0].uv_vir_stride = uv_stride >> 2;
2185                 if (screen->y_mirror == 1) {
2186                         if (screen->interlace == 1) {
2187                                 reg_win_data->reg_area_data[0].c_offset =
2188                                     uv_y_off * uv_stride * 2 +
2189                                     ((uv_y_act - 1) * 2 + 1) * uv_stride +
2190                                     uv_x_off * pixel_width / 8;
2191                         } else {
2192                                 reg_win_data->reg_area_data[0].c_offset =
2193                                     uv_y_off * uv_stride +
2194                                     (uv_y_act - 1) * uv_stride +
2195                                     uv_x_off * pixel_width / 8;
2196                         }
2197                 } else {
2198                         if (screen->interlace == 1) {
2199                                 reg_win_data->reg_area_data[0].c_offset =
2200                                     uv_y_off * uv_stride * 2 +
2201                                     uv_x_off * pixel_width / 8;
2202                         } else {
2203                                 reg_win_data->reg_area_data[0].c_offset =
2204                                     uv_y_off * uv_stride +
2205                                     uv_x_off * pixel_width / 8;
2206                         }
2207                 }
2208         }
2209         return 0;
2210 }
2211
2212 static int rk_fb_set_win_config(struct fb_info *info,
2213                                 struct rk_fb_win_cfg_data *win_data)
2214 {
2215         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
2216         struct rk_fb_reg_data *regs;
2217 #ifdef H_USE_FENCE
2218         struct sync_fence *release_fence[RK_MAX_BUF_NUM];
2219         struct sync_fence *retire_fence;
2220         struct sync_pt *release_sync_pt[RK_MAX_BUF_NUM];
2221         struct sync_pt *retire_sync_pt;
2222         char fence_name[20];
2223 #endif
2224         int ret = 0, i, j = 0;
2225         int list_is_empty = 0;
2226
2227         regs = kzalloc(sizeof(struct rk_fb_reg_data), GFP_KERNEL);
2228         if (!regs) {
2229                 printk(KERN_INFO "could not allocate rk_fb_reg_data\n");
2230                 ret = -ENOMEM;
2231                 return ret;
2232         }
2233
2234 /*
2235         regs->post_cfg.xpos = win_data->post_cfg.xpos;
2236         regs->post_cfg.ypos = win_data->post_cfg.ypos;
2237         regs->post_cfg.xsize = win_data->post_cfg.xsize;
2238         regs->post_cfg.ysize = win_data->post_cfg.xsize;
2239 */
2240
2241         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
2242                 if (win_data->win_par[i].win_id < dev_drv->lcdc_win_num) {
2243                         if (rk_fb_set_win_buffer(info, &win_data->win_par[i],
2244                                                         &regs->reg_win_data[j]))
2245                                 return -ENOMEM;
2246                         if (regs->reg_win_data[j].area_num > 0) {
2247                                 regs->win_num++;
2248                                 regs->buf_num +=
2249                                     regs->reg_win_data[j].area_buf_num;
2250                         }
2251                         j++;
2252                 } else {
2253                         printk(KERN_INFO "error:win_id bigger than lcdc_win_num\n");
2254                         printk(KERN_INFO "i=%d,win_id=%d\n", i,
2255                                win_data->win_par[i].win_id);
2256                 }
2257         }
2258
2259         mutex_lock(&dev_drv->output_lock);
2260         if (!(dev_drv->suspend_flag == 0)) {
2261                 rk_fb_update_reg(dev_drv, regs);
2262                 kfree(regs);
2263                 printk(KERN_INFO "suspend_flag = 1\n");
2264                 goto err;
2265         }
2266
2267         dev_drv->timeline_max++;
2268 #ifdef H_USE_FENCE
2269         for (i = 0; i < RK_MAX_BUF_NUM; i++) {
2270                 if (i < regs->buf_num) {
2271                         sprintf(fence_name, "fence%d", i);
2272                         win_data->rel_fence_fd[i] = get_unused_fd();
2273                         if (win_data->rel_fence_fd[i] < 0) {
2274                                 printk(KERN_INFO "rel_fence_fd=%d\n",
2275                                        win_data->rel_fence_fd[i]);
2276                                 ret = -EFAULT;
2277                                 goto err;
2278                         }
2279                         release_sync_pt[i] =
2280                             sw_sync_pt_create(dev_drv->timeline,
2281                                               dev_drv->timeline_max);
2282                         release_fence[i] =
2283                             sync_fence_create(fence_name, release_sync_pt[i]);
2284                         sync_fence_install(release_fence[i],
2285                                            win_data->rel_fence_fd[i]);
2286                 } else {
2287                         win_data->rel_fence_fd[i] = -1;
2288                 }
2289         }
2290
2291         win_data->ret_fence_fd = get_unused_fd();
2292         if (win_data->ret_fence_fd < 0) {
2293                 printk("ret_fence_fd=%d\n", win_data->ret_fence_fd);
2294                 ret = -EFAULT;
2295                 goto err;
2296         }
2297         retire_sync_pt =
2298             sw_sync_pt_create(dev_drv->timeline, dev_drv->timeline_max);
2299         retire_fence = sync_fence_create("ret_fence", retire_sync_pt);
2300         sync_fence_install(retire_fence, win_data->ret_fence_fd);
2301 #else
2302         for (i = 0; i < RK_MAX_BUF_NUM; i++)
2303                 win_data->rel_fence_fd[i] = -1;
2304
2305         win_data->ret_fence_fd = -1;
2306 #endif
2307         if (dev_drv->wait_fs == 0) {
2308                 mutex_lock(&dev_drv->update_regs_list_lock);
2309                 list_add_tail(&regs->list, &dev_drv->update_regs_list);
2310                 mutex_unlock(&dev_drv->update_regs_list_lock);
2311                 queue_kthread_work(&dev_drv->update_regs_worker,
2312                                    &dev_drv->update_regs_work);
2313         } else {
2314                 mutex_lock(&dev_drv->update_regs_list_lock);
2315                 list_is_empty = list_empty(&dev_drv->update_regs_list) &&
2316                                         list_empty(&saved_list);
2317                 mutex_unlock(&dev_drv->update_regs_list_lock);
2318                 if (!list_is_empty) {
2319                         ret = wait_event_timeout(dev_drv->update_regs_wait,
2320                                 list_empty(&dev_drv->update_regs_list) && list_empty(&saved_list),
2321                                 msecs_to_jiffies(60));
2322                         if (ret > 0)
2323                                 rk_fb_update_reg(dev_drv, regs);
2324                         else
2325                                 printk("%s: wait update_regs_wait timeout\n", __func__);
2326                 } else if (ret == 0) {
2327                         rk_fb_update_reg(dev_drv, regs);
2328                 }
2329                 kfree(regs);
2330         }
2331
2332 err:
2333         mutex_unlock(&dev_drv->output_lock);
2334         return ret;
2335 }
2336
2337 #if 1
2338 static int cfgdone_distlist[10] = { 0 };
2339
2340 static int cfgdone_index;
2341 static int cfgdone_lasttime;
2342
2343 int rk_get_real_fps(int before)
2344 {
2345         struct timespec now;
2346         int dist_curr;
2347         int dist_total = 0;
2348         int dist_count = 0;
2349         int dist_first = 0;
2350
2351         int index = cfgdone_index;
2352         int i = 0, fps = 0;
2353         int total;
2354
2355         if (before > 100)
2356                 before = 100;
2357         if (before < 0)
2358                 before = 0;
2359
2360         getnstimeofday(&now);
2361         dist_curr = (now.tv_sec * 1000000 + now.tv_nsec / 1000) -
2362                         cfgdone_lasttime;
2363         total = dist_curr;
2364         /*
2365            printk("fps: ");
2366          */
2367         for (i = 0; i < 10; i++) {
2368                 if (--index < 0)
2369                         index = 9;
2370                 total += cfgdone_distlist[index];
2371                 if (i == 0)
2372                         dist_first = cfgdone_distlist[index];
2373                 if (total < (before * 1000)) {
2374                         /*
2375                            printk("[%d:%d] ", dist_count, cfgdone_distlist[index]);
2376                          */
2377                         dist_total += cfgdone_distlist[index];
2378                         dist_count++;
2379                 } else {
2380                         break;
2381                 }
2382         }
2383
2384         /*
2385            printk("total %d, count %d, curr %d, ", dist_total, dist_count, dist_curr);
2386          */
2387         dist_curr = (dist_curr > dist_first) ? dist_curr : dist_first;
2388         dist_total += dist_curr;
2389         dist_count++;
2390
2391         if (dist_total > 0)
2392                 fps = (1000000 * dist_count) / dist_total;
2393         else
2394                 fps = 60;
2395
2396         /*
2397            printk("curr2 %d, fps=%d\n", dist_curr, fps);
2398          */
2399         return fps;
2400 }
2401 EXPORT_SYMBOL(rk_get_real_fps);
2402
2403 #endif
2404 #ifdef CONFIG_ROCKCHIP_IOMMU
2405 #define ION_MAX 10
2406 static struct ion_handle *ion_hanle[ION_MAX];
2407 static struct ion_handle *ion_hwc[1];
2408 #endif
2409 static int rk_fb_ioctl(struct fb_info *info, unsigned int cmd,
2410                        unsigned long arg)
2411 {
2412         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2413         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
2414         struct fb_fix_screeninfo *fix = &info->fix;
2415         int fb_id = 0, extend_win_id = 0;
2416         struct fb_info *extend_info = NULL;
2417         struct rk_lcdc_driver *extend_dev_drv = NULL;
2418         struct rk_lcdc_win *extend_win = NULL;
2419         struct rk_lcdc_win *win;
2420         int enable;     /* enable fb:1 enable;0 disable */
2421         int ovl;        /* overlay:0 win1 on the top of win0;1,win0 on the top of win1 */
2422         int num_buf;    /* buffer_number */
2423         int ret;
2424         struct rk_fb_win_cfg_data win_data;
2425         unsigned int dsp_addr[4];
2426         int list_stat;
2427
2428         int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2429
2430         void __user *argp = (void __user *)arg;
2431         win = dev_drv->win[win_id];
2432         if (rk_fb->disp_mode == DUAL) {
2433                 fb_id = get_extend_fb_id(info);
2434                 extend_info = rk_fb->fb[(rk_fb->num_fb >> 1) + fb_id];
2435                 extend_dev_drv = (struct rk_lcdc_driver *)extend_info->par;
2436                 extend_win_id = dev_drv->ops->fb_get_win_id(extend_dev_drv,
2437                                                             extend_info->fix.id);
2438                 extend_win = extend_dev_drv->win[extend_win_id];
2439         }
2440
2441         switch (cmd) {
2442         case RK_FBIOSET_HWC_ADDR:
2443         {
2444                 u32 hwc_phy[1];
2445                 if (copy_from_user(hwc_phy, argp, 4))
2446                         return -EFAULT;
2447 #ifdef CONFIG_ROCKCHIP_IOMMU
2448                 if (!dev_drv->iommu_enabled) {
2449 #endif
2450                         fix->smem_start = hwc_phy[0];
2451 #ifdef CONFIG_ROCKCHIP_IOMMU
2452                 } else {
2453                         int usr_fd;
2454                         struct ion_handle *hdl;
2455                         ion_phys_addr_t phy_addr;
2456                         size_t len;
2457
2458                         usr_fd = hwc_phy[0];
2459                         if (!usr_fd) {
2460                                 fix->smem_start = 0;
2461                                 fix->mmio_start = 0;
2462                                 break;
2463                         }
2464
2465                         if (ion_hwc[0] != 0) {
2466                                 ion_free(rk_fb->ion_client, ion_hwc[0]);
2467                                 ion_hwc[0] = 0;
2468                         }
2469
2470                         hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2471                         if (IS_ERR(hdl)) {
2472                                 dev_err(info->dev, "failed to get hwc ion handle:%ld\n",
2473                                         PTR_ERR(hdl));
2474                                 return -EFAULT;
2475                         }
2476
2477                         ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2478                                                 (unsigned long *)&phy_addr,
2479                                                 (unsigned long *)&len);
2480                         if (ret < 0) {
2481                                 dev_err(info->dev, "ion map to get hwc phy addr failed");
2482                                 ion_free(rk_fb->ion_client, hdl);
2483                                 return -ENOMEM;
2484                         }
2485                         fix->smem_start = phy_addr;
2486                         ion_hwc[0] = hdl;
2487                 }
2488 #endif
2489                 break;
2490         }
2491         case RK_FBIOSET_YUV_ADDR:
2492                 {
2493                         u32 yuv_phy[2];
2494
2495                         if (copy_from_user(yuv_phy, argp, 8))
2496                                 return -EFAULT;
2497                         #ifdef CONFIG_ROCKCHIP_IOMMU
2498                         if (!dev_drv->iommu_enabled || !strcmp(info->fix.id, "fb0")) {
2499                         #endif
2500                                 fix->smem_start = yuv_phy[0];
2501                                 fix->mmio_start = yuv_phy[1];
2502                         #ifdef CONFIG_ROCKCHIP_IOMMU
2503                         } else {
2504                                 int usr_fd, offset, tmp;
2505                                 struct ion_handle *hdl;
2506                                 ion_phys_addr_t phy_addr;
2507                                 size_t len;
2508
2509                                 usr_fd = yuv_phy[0];
2510                                 offset = yuv_phy[1] - yuv_phy[0];
2511
2512                                 if (!usr_fd) {
2513                                         fix->smem_start = 0;
2514                                         fix->mmio_start = 0;
2515                                         break;
2516                                 }
2517
2518                                 if (ion_hanle[ION_MAX - 1] != 0) {
2519                                         /*ion_unmap_kernel(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);*/
2520                                         /*ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client, ion_hanle[ION_MAX - 1]);*/
2521                                         ion_free(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);
2522                                         ion_hanle[ION_MAX - 1] = 0;
2523                                 }
2524
2525                                 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2526                                 if (IS_ERR(hdl)) {
2527                                         dev_err(info->dev, "failed to get ion handle:%ld\n",
2528                                                 PTR_ERR(hdl));
2529                                         return -EFAULT;
2530                                 }
2531
2532                                 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2533                                                         (unsigned long *)&phy_addr,
2534                                                         (unsigned long *)&len);
2535                                 if (ret < 0) {
2536                                         dev_err(info->dev, "ion map to get phy addr failed");
2537                                         ion_free(rk_fb->ion_client, hdl);
2538                                         return -ENOMEM;
2539                                 }
2540                                 fix->smem_start = phy_addr;
2541                                 fix->mmio_start = phy_addr + offset;
2542                                 fix->smem_len = len;
2543                                 /*info->screen_base = ion_map_kernel(rk_fb->ion_client, hdl);*/
2544
2545                                 ion_hanle[0] = hdl;
2546                                 for (tmp = ION_MAX - 1; tmp > 0; tmp--)
2547                                         ion_hanle[tmp] = ion_hanle[tmp - 1];
2548                                 ion_hanle[0] = 0;
2549                         }
2550                         #endif
2551                         break;
2552                 }
2553         case RK_FBIOSET_ENABLE:
2554                 if (copy_from_user(&enable, argp, sizeof(enable)))
2555                         return -EFAULT;
2556                 dev_drv->ops->open(dev_drv, win_id, enable);
2557                 break;
2558         case RK_FBIOGET_ENABLE:
2559                 enable = dev_drv->ops->get_win_state(dev_drv, win_id);
2560                 if (copy_to_user(argp, &enable, sizeof(enable)))
2561                         return -EFAULT;
2562                 break;
2563         case RK_FBIOSET_OVERLAY_STA:
2564                 if (copy_from_user(&ovl, argp, sizeof(ovl)))
2565                         return -EFAULT;
2566                 dev_drv->ops->ovl_mgr(dev_drv, ovl, 1);
2567                 break;
2568         case RK_FBIOGET_OVERLAY_STA:
2569                 ovl = dev_drv->ops->ovl_mgr(dev_drv, 0, 0);
2570                 if (copy_to_user(argp, &ovl, sizeof(ovl)))
2571                         return -EFAULT;
2572                 break;
2573         case RK_FBIOPUT_NUM_BUFFERS:
2574                 if (copy_from_user(&num_buf, argp, sizeof(num_buf)))
2575                         return -EFAULT;
2576                 dev_drv->num_buf = num_buf;
2577                 break;
2578         case RK_FBIOSET_VSYNC_ENABLE:
2579                 if (copy_from_user(&enable, argp, sizeof(enable)))
2580                         return -EFAULT;
2581                 dev_drv->vsync_info.active = enable;
2582                 break;
2583
2584         case RK_FBIOGET_DSP_ADDR:
2585                 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
2586                 if (copy_to_user(argp, &dsp_addr, sizeof(dsp_addr)))
2587                         return -EFAULT;
2588                 break;
2589         case RK_FBIOGET_LIST_STA:
2590                 list_stat = rk_fb_get_list_stat(dev_drv);
2591                 if (copy_to_user(argp, &list_stat, sizeof(list_stat)))
2592                         return -EFAULT;
2593
2594                 break;
2595         case RK_FBIOGET_IOMMU_STA:
2596                 if (copy_to_user(argp, &dev_drv->iommu_enabled,
2597                                  sizeof(dev_drv->iommu_enabled)))
2598                         return -EFAULT;
2599                 break;
2600 #if defined(CONFIG_ION_ROCKCHIP)
2601         case RK_FBIOSET_DMABUF_FD:
2602                 {
2603                         int usr_fd;
2604                         struct ion_handle *hdl;
2605                         ion_phys_addr_t phy_addr;
2606                         size_t len;
2607                         if (copy_from_user(&usr_fd, argp, sizeof(usr_fd)))
2608                                 return -EFAULT;
2609                         hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2610                         ion_phys(rk_fb->ion_client, hdl, &phy_addr, &len);
2611                         fix->smem_start = phy_addr;
2612                         break;
2613                 }
2614         case RK_FBIOGET_DMABUF_FD:
2615                 {
2616                         int fd =
2617                             ion_share_dma_buf_fd(rk_fb->ion_client,
2618                                                  win->area[0].ion_hdl);
2619                         if (fd < 0) {
2620                                 dev_err(info->dev,
2621                                         "ion_share_dma_buf_fd failed\n");
2622                                 return fd;
2623                         }
2624                         if (copy_to_user(argp, &fd, sizeof(fd)))
2625                                 return -EFAULT;
2626                         break;
2627                 }
2628 #endif
2629         case RK_FBIOSET_CLEAR_FB:
2630                 memset(info->screen_base, 0, info->fix.smem_len);
2631                 break;
2632         case RK_FBIOSET_CONFIG_DONE:
2633                 {
2634                         int curr = 0;
2635                         struct timespec now;
2636
2637                         getnstimeofday(&now);
2638                         curr = now.tv_sec * 1000000 + now.tv_nsec / 1000;
2639                         cfgdone_distlist[cfgdone_index++] =
2640                             curr - cfgdone_lasttime;
2641                         /*
2642                            printk("%d ", curr - cfgdone_lasttime);
2643                          */
2644                         cfgdone_lasttime = curr;
2645                         if (cfgdone_index >= 10)
2646                                 cfgdone_index = 0;
2647                 }
2648                 if (copy_from_user(&win_data,
2649                                    (struct rk_fb_win_cfg_data __user *)argp,
2650                                    sizeof(win_data))) {
2651                         ret = -EFAULT;
2652                         break;
2653                 };
2654
2655                 dev_drv->wait_fs = win_data.wait_fs;
2656                 rk_fb_set_win_config(info, &win_data);
2657
2658                 if (copy_to_user((struct rk_fb_win_cfg_data __user *)arg,
2659                                  &win_data, sizeof(win_data))) {
2660                         ret = -EFAULT;
2661                         break;
2662                 }
2663                 memset(&win_data, 0, sizeof(struct rk_fb_win_cfg_data));
2664                 break;
2665         default:
2666                 dev_drv->ops->ioctl(dev_drv, cmd, arg, win_id);
2667                 break;
2668         }
2669
2670         return 0;
2671 }
2672
2673 static int rk_fb_blank(int blank_mode, struct fb_info *info)
2674 {
2675         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
2676         struct fb_fix_screeninfo *fix = &info->fix;
2677         int win_id;
2678 #if defined(CONFIG_RK_HDMI)
2679         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2680 #endif
2681
2682         win_id = dev_drv->ops->fb_get_win_id(dev_drv, fix->id);
2683         if (win_id < 0)
2684                 return -ENODEV;
2685 #if defined(CONFIG_RK_HDMI)
2686         if ((rk_fb->disp_mode == ONE_DUAL) &&
2687             (hdmi_get_hotplug() == HDMI_HPD_ACTIVED)) {
2688                 printk(KERN_INFO "hdmi is connect , not blank lcdc\n");
2689         } else
2690 #endif
2691         {
2692                 dev_drv->ops->blank(dev_drv, win_id, blank_mode);
2693         }
2694         return 0;
2695 }
2696
2697 static int rk_fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
2698 {
2699         if ((0 == var->xres_virtual) || (0 == var->yres_virtual) ||
2700             (0 == var->xres) || (0 == var->yres) || (var->xres < 16) ||
2701             ((16 != var->bits_per_pixel) &&
2702             (32 != var->bits_per_pixel) &&
2703             (24 != var->bits_per_pixel))) {
2704                 dev_err(info->dev, "%s check var fail 1:\n"
2705                         "xres_vir:%d>>yres_vir:%d\n"
2706                         "xres:%d>>yres:%d\n"
2707                         "bits_per_pixel:%d\n",
2708                         info->fix.id,
2709                         var->xres_virtual,
2710                         var->yres_virtual,
2711                         var->xres, var->yres, var->bits_per_pixel);
2712                 return -EINVAL;
2713         }
2714
2715         if (((var->xoffset + var->xres) > var->xres_virtual) ||
2716             ((var->yoffset + var->yres) > (var->yres_virtual))) {
2717                 dev_err(info->dev, "%s check_var fail 2:\n"
2718                         "xoffset:%d>>xres:%d>>xres_vir:%d\n"
2719                         "yoffset:%d>>yres:%d>>yres_vir:%d\n",
2720                         info->fix.id,
2721                         var->xoffset,
2722                         var->xres,
2723                         var->xres_virtual,
2724                         var->yoffset, var->yres, var->yres_virtual);
2725                 return -EINVAL;
2726         }
2727
2728         return 0;
2729 }
2730
2731 static ssize_t rk_fb_read(struct fb_info *info, char __user *buf,
2732                           size_t count, loff_t *ppos)
2733 {
2734         unsigned long p = *ppos;
2735         u8 *buffer, *dst;
2736         u8 __iomem *src;
2737         int c, cnt = 0, err = 0;
2738         unsigned long total_size;
2739         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
2740         struct rk_lcdc_win *win = NULL;
2741         int win_id = 0;
2742
2743         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2744         if (win_id < 0)
2745                 return -ENODEV;
2746         else
2747                 win = dev_drv->win[win_id];
2748
2749         /* only read the current frame buffer */
2750         if (win->format == RGB565) {
2751                 total_size = win->area[0].y_vir_stride * win->area[0].yact << 1;
2752         } else if (win->format == YUV420) {
2753                 total_size =
2754                     (win->area[0].y_vir_stride * win->area[0].yact * 6);
2755         } else {
2756                 total_size = win->area[0].y_vir_stride * win->area[0].yact << 2;
2757         }
2758         if (p >= total_size)
2759                 return 0;
2760
2761         if (count >= total_size)
2762                 count = total_size;
2763
2764         if (count + p > total_size)
2765                 count = total_size - p;
2766
2767         buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
2768         if (!buffer)
2769                 return -ENOMEM;
2770
2771         src = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
2772
2773         while (count) {
2774                 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
2775                 dst = buffer;
2776                 fb_memcpy_fromfb(dst, src, c);
2777                 dst += c;
2778                 src += c;
2779
2780                 if (copy_to_user(buf, buffer, c)) {
2781                         err = -EFAULT;
2782                         break;
2783                 }
2784                 *ppos += c;
2785                 buf += c;
2786                 cnt += c;
2787                 count -= c;
2788         }
2789
2790         kfree(buffer);
2791
2792         return (err) ? err : cnt;
2793 }
2794
2795 static ssize_t rk_fb_write(struct fb_info *info, const char __user *buf,
2796                            size_t count, loff_t *ppos)
2797 {
2798         unsigned long p = *ppos;
2799         u8 *buffer, *src;
2800         u8 __iomem *dst;
2801         int c, cnt = 0, err = 0;
2802         unsigned long total_size;
2803         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
2804         struct rk_lcdc_win *win = NULL;
2805         int win_id = 0;
2806
2807         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2808         if (win_id < 0)
2809                 return -ENODEV;
2810         else
2811                 win = dev_drv->win[win_id];
2812
2813         /* write the current frame buffer */
2814         if (win->format == RGB565)
2815                 total_size = win->area[0].xact * win->area[0].yact << 1;
2816         else
2817                 total_size = win->area[0].xact * win->area[0].yact << 2;
2818
2819         if (p > total_size)
2820                 return -EFBIG;
2821
2822         if (count > total_size) {
2823                 err = -EFBIG;
2824                 count = total_size;
2825         }
2826
2827         if (count + p > total_size) {
2828                 if (!err)
2829                         err = -ENOSPC;
2830
2831                 count = total_size - p;
2832         }
2833
2834         buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
2835         if (!buffer)
2836                 return -ENOMEM;
2837
2838         dst = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
2839
2840         while (count) {
2841                 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
2842                 src = buffer;
2843
2844                 if (copy_from_user(src, buf, c)) {
2845                         err = -EFAULT;
2846                         break;
2847                 }
2848
2849                 fb_memcpy_tofb(dst, src, c);
2850                 dst += c;
2851                 src += c;
2852                 *ppos += c;
2853                 buf += c;
2854                 cnt += c;
2855                 count -= c;
2856         }
2857
2858         kfree(buffer);
2859
2860         return (cnt) ? cnt : err;
2861 }
2862
2863 /*
2864  * function: update extend info acorrding to primary info that only used for dual display mode
2865  * @ext_info: the fb_info of extend screen
2866  * @info: the fb_info of primary screen
2867  * @update_buffer: whether to update extend info buffer, 0: no;1: yes
2868  */
2869 static int rk_fb_update_ext_info(struct fb_info *ext_info,
2870                                         struct fb_info *info, int update_buffer)
2871 {
2872         struct rk_fb *rk_fb =  platform_get_drvdata(fb_pdev);
2873         struct rk_lcdc_driver *dev_drv = NULL;
2874         struct rk_lcdc_driver *ext_dev_drv = NULL;
2875         struct rk_lcdc_win *win = NULL;
2876         struct rk_lcdc_win *ext_win = NULL;
2877         int win_id = 0, ext_win_id = 0;
2878
2879         if (rk_fb->disp_mode != DUAL || info == ext_info)
2880                 return 0;
2881         if (unlikely(!info) || unlikely(!ext_info))
2882                 return -1;
2883
2884         dev_drv = (struct rk_lcdc_driver *)info->par;
2885         ext_dev_drv = (struct rk_lcdc_driver *)ext_info->par;
2886         if (unlikely(!dev_drv) || unlikely(!ext_dev_drv))
2887                 return -1;
2888
2889         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2890         win = dev_drv->win[win_id];
2891         ext_win_id = ext_dev_drv->ops->fb_get_win_id(ext_dev_drv,
2892                                                      ext_info->fix.id);
2893         ext_win = ext_dev_drv->win[ext_win_id];
2894
2895         rk_fb_update_ext_win(ext_dev_drv, dev_drv, ext_win, win);
2896         if (update_buffer) {
2897                 rk_fb_set_ext_win_buffer(ext_win, win, ext_dev_drv->rotate_mode,
2898                                          ext_dev_drv->iommu_enabled);
2899
2900                 /* update extend info display address */
2901                 ext_info->fix.smem_start = ext_win->area[0].smem_start;
2902                 ext_info->fix.mmio_start = ext_win->area[0].cbr_start;
2903
2904                 if (ext_dev_drv->rotate_mode > X_Y_MIRROR)
2905                         rk_fb_rotate(ext_info, info);
2906         }
2907
2908         /* update extend info */
2909         ext_info->var.xres = ext_win->area[0].xact;
2910         ext_info->var.yres = ext_win->area[0].yact;
2911         ext_info->var.xres_virtual = ext_win->area[0].xvir;
2912         ext_info->var.yres_virtual = ext_win->area[0].yvir;
2913
2914         /* config same data format */
2915         ext_info->var.nonstd &= 0xffffff00;
2916         ext_info->var.nonstd |= (info->var.nonstd & 0xff);
2917
2918         ext_info->var.nonstd &= 0xff;
2919         ext_info->var.nonstd |=
2920                 (ext_win->area[0].xpos << 8) + (ext_win->area[0].ypos << 20);
2921
2922         ext_info->var.grayscale &= 0xff;
2923         ext_info->var.grayscale |=
2924                 (ext_win->area[0].xsize << 8) + (ext_win->area[0].ysize << 20);
2925
2926         return 0;
2927 }
2928
2929 static int rk_fb_set_par(struct fb_info *info)
2930 {
2931         struct fb_var_screeninfo *var = &info->var;
2932         struct fb_fix_screeninfo *fix = &info->fix;
2933         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
2934         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2935         int fb_id, extend_win_id = 0;
2936         struct fb_info *extend_info = NULL;
2937         struct rk_lcdc_driver *extend_dev_drv = NULL;
2938         struct rk_lcdc_win *extend_win = NULL;
2939         struct rk_lcdc_win *win = NULL;
2940         struct rk_screen *screen = dev_drv->cur_screen;
2941         int win_id = 0;
2942         u32 cblen = 0, crlen = 0;
2943         u16 xsize = 0, ysize = 0;       /* winx display window height/width --->LCDC_WINx_DSP_INFO */
2944         u32 xoffset = var->xoffset;     /* offset from virtual to visible */
2945         u32 yoffset = var->yoffset;
2946         u16 xpos = (var->nonstd >> 8) & 0xfff;  /*visiable pos in panel */
2947         u16 ypos = (var->nonstd >> 20) & 0xfff;
2948         u32 xvir = var->xres_virtual;
2949         u32 yvir = var->yres_virtual;
2950         u8 data_format = var->nonstd & 0xff;
2951         u8 fb_data_fmt;
2952         u8 pixel_width;
2953         u32 vir_width_bit;
2954         u32 stride, uv_stride;
2955         u32 stride_32bit_1;
2956         u32 stride_32bit_2;
2957         u16 uv_x_off, uv_y_off, uv_y_act;
2958         u8 is_pic_yuv = 0;
2959
2960         var->pixclock = dev_drv->pixclock;
2961         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2962         if (win_id < 0)
2963                 return -ENODEV;
2964         else
2965                 win = dev_drv->win[win_id];
2966
2967         if (rk_fb->disp_mode == DUAL) {
2968                 fb_id = get_extend_fb_id(info);
2969                 extend_info = rk_fb->fb[(rk_fb->num_fb >> 1) + fb_id];
2970                 extend_dev_drv = (struct rk_lcdc_driver *)extend_info->par;
2971                 extend_win_id = dev_drv->ops->fb_get_win_id(extend_dev_drv,
2972                                                             extend_info->fix.id);
2973                 extend_win = extend_dev_drv->win[extend_win_id];
2974         }
2975
2976         /* if the application has specific the horizontal and vertical display size */
2977         if (var->grayscale >> 8) {
2978                 xsize = (var->grayscale >> 8) & 0xfff;
2979                 ysize = (var->grayscale >> 20) & 0xfff;
2980                 if (xsize > screen->mode.xres)
2981                         xsize = screen->mode.xres;
2982                 if (ysize > screen->mode.yres)
2983                         ysize = screen->mode.yres;
2984         } else {                /*ohterwise  full  screen display */
2985                 xsize = screen->mode.xres;
2986                 ysize = screen->mode.yres;
2987         }
2988
2989         fb_data_fmt = rk_fb_data_fmt(data_format, var->bits_per_pixel);
2990         pixel_width = rk_fb_pixel_width(fb_data_fmt);
2991         vir_width_bit = pixel_width * xvir;
2992         /* pixel_width = byte_num * 8 */
2993         stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
2994         stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
2995
2996         switch (fb_data_fmt) {
2997         case YUV422:
2998         case YUV422_A:
2999                 is_pic_yuv = 1;
3000                 stride = stride_32bit_1;
3001                 uv_stride = stride_32bit_1 >> 1;
3002                 uv_x_off = xoffset >> 1;
3003                 uv_y_off = yoffset;
3004                 fix->line_length = stride;
3005                 cblen = crlen = (xvir * yvir) >> 1;
3006                 uv_y_act = win->area[0].yact >> 1;
3007                 break;
3008         case YUV420:            /* 420sp */
3009         case YUV420_A:
3010                 is_pic_yuv = 1;
3011                 stride = stride_32bit_1;
3012                 uv_stride = stride_32bit_1;
3013                 uv_x_off = xoffset;
3014                 uv_y_off = yoffset >> 1;
3015                 fix->line_length = stride;
3016                 cblen = crlen = (xvir * yvir) >> 2;
3017                 uv_y_act = win->area[0].yact >> 1;
3018                 break;
3019         case YUV444:
3020         case YUV444_A:
3021                 is_pic_yuv = 1;
3022                 stride = stride_32bit_1;
3023                 uv_stride = stride_32bit_2;
3024                 uv_x_off = xoffset * 2;
3025                 uv_y_off = yoffset;
3026                 fix->line_length = stride << 2;
3027                 cblen = crlen = (xvir * yvir);
3028                 uv_y_act = win->area[0].yact;
3029                 break;
3030         default:
3031                 stride = stride_32bit_1;        /* default rgb */
3032                 fix->line_length = stride;
3033                 break;
3034         }
3035
3036         /* x y mirror ,jump line */
3037         if (screen->y_mirror == 1) {
3038                 if (screen->interlace == 1) {
3039                         win->area[0].y_offset = yoffset * stride * 2 +
3040                             ((win->area[0].yact - 1) * 2 + 1) * stride +
3041                             xoffset * pixel_width / 8;
3042                 } else {
3043                         win->area[0].y_offset = yoffset * stride +
3044                             (win->area[0].yact - 1) * stride +
3045                             xoffset * pixel_width / 8;
3046                 }
3047         } else {
3048                 if (screen->interlace == 1) {
3049                         win->area[0].y_offset =
3050                             yoffset * stride * 2 + xoffset * pixel_width / 8;
3051                 } else {
3052                         win->area[0].y_offset =
3053                             yoffset * stride + xoffset * pixel_width / 8;
3054                 }
3055         }
3056         if (is_pic_yuv == 1) {
3057                 if (screen->y_mirror == 1) {
3058                         if (screen->interlace == 1) {
3059                                 win->area[0].c_offset =
3060                                     uv_y_off * uv_stride * 2 +
3061                                     ((uv_y_act - 1) * 2 + 1) * uv_stride +
3062                                     uv_x_off * pixel_width / 8;
3063                         } else {
3064                                 win->area[0].c_offset = uv_y_off * uv_stride +
3065                                     (uv_y_act - 1) * uv_stride +
3066                                     uv_x_off * pixel_width / 8;
3067                         }
3068                 } else {
3069                         if (screen->interlace == 1) {
3070                                 win->area[0].c_offset =
3071                                     uv_y_off * uv_stride * 2 +
3072                                     uv_x_off * pixel_width / 8;
3073                         } else {
3074                                 win->area[0].c_offset =
3075                                     uv_y_off * uv_stride +
3076                                     uv_x_off * pixel_width / 8;
3077                         }
3078                 }
3079         }
3080
3081         win->format = fb_data_fmt;
3082         win->area[0].y_vir_stride = stride >> 2;
3083         win->area[0].uv_vir_stride = uv_stride >> 2;
3084         win->area[0].xpos = xpos;
3085         win->area[0].ypos = ypos;
3086         win->area[0].xsize = xsize;
3087         win->area[0].ysize = ysize;
3088         win->area[0].xact = var->xres;  /* winx active window height,is a wint of vir */
3089         win->area[0].yact = var->yres;
3090         win->area[0].xvir = var->xres_virtual;  /* virtual resolution  stride --->LCDC_WINx_VIR */
3091         win->area[0].yvir = var->yres_virtual;
3092
3093         win->area_num = 1;
3094         win->alpha_mode = 4;    /* AB_SRC_OVER; */
3095         win->alpha_en = ((win->format == ARGB888) ||
3096                          (win->format == ABGR888)) ? 1 : 0;
3097         win->g_alpha_val = 0;
3098
3099         if (rk_fb->disp_mode == DUAL) {
3100                 if (extend_win->state && hdmi_switch_complete) {
3101                         if (info != extend_info) {
3102                                 rk_fb_update_ext_win(extend_dev_drv, dev_drv,
3103                                                      extend_win, win);
3104                                 extend_dev_drv->ops->set_par(extend_dev_drv,
3105                                                              extend_win_id);
3106                         }
3107                 }
3108         }
3109         dev_drv->ops->set_par(dev_drv, win_id);
3110
3111         return 0;
3112 }
3113
3114 static inline unsigned int chan_to_field(unsigned int chan,
3115                                          struct fb_bitfield *bf)
3116 {
3117         chan &= 0xffff;
3118         chan >>= 16 - bf->length;
3119         return chan << bf->offset;
3120 }
3121
3122 static int fb_setcolreg(unsigned regno,
3123                         unsigned red, unsigned green, unsigned blue,
3124                         unsigned transp, struct fb_info *info)
3125 {
3126         unsigned int val;
3127
3128         switch (info->fix.visual) {
3129         case FB_VISUAL_TRUECOLOR:
3130                 /* true-colour, use pseudo-palette */
3131                 if (regno < 16) {
3132                         u32 *pal = info->pseudo_palette;
3133                         val = chan_to_field(red, &info->var.red);
3134                         val |= chan_to_field(green, &info->var.green);
3135                         val |= chan_to_field(blue, &info->var.blue);
3136                         pal[regno] = val;
3137                 }
3138                 break;
3139         default:
3140                 return -1;      /* unknown type */
3141         }
3142
3143         return 0;
3144 }
3145
3146 static int rk_fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
3147 {
3148         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3149         struct ion_handle *handle = (struct ion_handle *)info->var.reserved[0];
3150         struct dma_buf *dma_buf = NULL;
3151
3152         if (IS_ERR(handle)) {
3153                 dev_err(info->device, "failed to get ion handle:%ld\n",
3154                         PTR_ERR(handle));
3155                 return -ENOMEM;
3156         }
3157         dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3158         if (IS_ERR_OR_NULL(dma_buf)) {
3159                 printk("get ion share dma buf failed\n");
3160                 return -ENOMEM;
3161         }
3162
3163         vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
3164
3165         return dma_buf_mmap(dma_buf, vma, 0);
3166 }
3167
3168 static struct fb_ops fb_ops = {
3169         .owner = THIS_MODULE,
3170         .fb_open = rk_fb_open,
3171         .fb_release = rk_fb_close,
3172         .fb_check_var = rk_fb_check_var,
3173         .fb_set_par = rk_fb_set_par,
3174         .fb_blank = rk_fb_blank,
3175         .fb_ioctl = rk_fb_ioctl,
3176         .fb_pan_display = rk_fb_pan_display,
3177         .fb_read = rk_fb_read,
3178         .fb_write = rk_fb_write,
3179         .fb_setcolreg = fb_setcolreg,
3180         .fb_fillrect = cfb_fillrect,
3181         .fb_copyarea = cfb_copyarea,
3182         .fb_imageblit = cfb_imageblit,
3183 };
3184
3185 static struct fb_var_screeninfo def_var = {
3186 #if defined(CONFIG_LOGO_LINUX_BMP)
3187         .red = {16, 8, 0},
3188         .green = {8, 8, 0},
3189         .blue = {0, 8, 0},
3190         .transp = {0, 0, 0},
3191         .nonstd = HAL_PIXEL_FORMAT_BGRA_8888,
3192 #else
3193         .red = {11, 5, 0},
3194         .green = {5, 6, 0},
3195         .blue = {0, 5, 0},
3196         .transp = {0, 0, 0},
3197         .nonstd = HAL_PIXEL_FORMAT_RGB_565,     /* (ypos<<20+xpos<<8+format) format */
3198 #endif
3199         .grayscale = 0,         /* (ysize<<20+xsize<<8) */
3200         .activate = FB_ACTIVATE_NOW,
3201         .accel_flags = 0,
3202         .vmode = FB_VMODE_NONINTERLACED,
3203 };
3204
3205 static struct fb_fix_screeninfo def_fix = {
3206         .type = FB_TYPE_PACKED_PIXELS,
3207         .type_aux = 0,
3208         .xpanstep = 1,
3209         .ypanstep = 1,
3210         .ywrapstep = 0,
3211         .accel = FB_ACCEL_NONE,
3212         .visual = FB_VISUAL_TRUECOLOR,
3213
3214 };
3215
3216 static int rk_fb_wait_for_vsync_thread(void *data)
3217 {
3218         struct rk_lcdc_driver *dev_drv = data;
3219         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3220         struct fb_info *fbi = rk_fb->fb[0];
3221
3222         while (!kthread_should_stop()) {
3223                 ktime_t timestamp = dev_drv->vsync_info.timestamp;
3224                 int ret = wait_event_interruptible(dev_drv->vsync_info.wait,
3225                                 !ktime_equal(timestamp, dev_drv->vsync_info.timestamp) &&
3226                                 (dev_drv->vsync_info.active || dev_drv->vsync_info.irq_stop));
3227
3228                 if (!ret)
3229                         sysfs_notify(&fbi->dev->kobj, NULL, "vsync");
3230         }
3231
3232         return 0;
3233 }
3234
3235 static ssize_t rk_fb_vsync_show(struct device *dev,
3236                                 struct device_attribute *attr, char *buf)
3237 {
3238         struct fb_info *fbi = dev_get_drvdata(dev);
3239         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)fbi->par;
3240         return scnprintf(buf, PAGE_SIZE, "%llu\n",
3241                          ktime_to_ns(dev_drv->vsync_info.timestamp));
3242 }
3243
3244 static DEVICE_ATTR(vsync, S_IRUGO, rk_fb_vsync_show, NULL);
3245
3246 /*
3247  * this two function is for other module that in the kernel which
3248  * need show image directly through fb
3249  * fb_id:we have 4 fb here,default we use fb0 for ui display
3250  */
3251 struct fb_info *rk_get_fb(int fb_id)
3252 {
3253         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3254         struct fb_info *fb = inf->fb[fb_id];
3255         return fb;
3256 }
3257 EXPORT_SYMBOL(rk_get_fb);
3258
3259 void rk_direct_fb_show(struct fb_info *fbi)
3260 {
3261         rk_fb_set_par(fbi);
3262         rk_fb_pan_display(&fbi->var, fbi);
3263 }
3264 EXPORT_SYMBOL(rk_direct_fb_show);
3265
3266 int rk_fb_dpi_open(bool open)
3267 {
3268         struct rk_lcdc_driver *dev_drv = NULL;
3269         dev_drv = rk_get_prmry_lcdc_drv();
3270
3271         if (dev_drv->ops->dpi_open)
3272                 dev_drv->ops->dpi_open(dev_drv, open);
3273         return 0;
3274 }
3275
3276 int rk_fb_dpi_win_sel(int win_id)
3277 {
3278         struct rk_lcdc_driver *dev_drv = NULL;
3279         dev_drv = rk_get_prmry_lcdc_drv();
3280
3281         if (dev_drv->ops->dpi_win_sel)
3282                 dev_drv->ops->dpi_win_sel(dev_drv, win_id);
3283         return 0;
3284 }
3285
3286 int rk_fb_dpi_status(void)
3287 {
3288         int ret = 0;
3289         struct rk_lcdc_driver *dev_drv = NULL;
3290
3291         dev_drv = rk_get_prmry_lcdc_drv();
3292         if (dev_drv->ops->dpi_status)
3293                 ret = dev_drv->ops->dpi_status(dev_drv);
3294
3295         return ret;
3296 }
3297
3298 /*
3299  * function: this function will be called by display device, enable/disable lcdc
3300  * @screen: screen timing to be set to lcdc
3301  * @enable: 0 disable lcdc; 1 enable change lcdc timing; 2 just enable dclk
3302  * @lcdc_id: the lcdc id the display device attached ,0 or 1
3303  */
3304 int rk_fb_switch_screen(struct rk_screen *screen, int enable, int lcdc_id)
3305 {
3306         struct rk_fb *rk_fb =  platform_get_drvdata(fb_pdev);
3307         struct fb_info *info = NULL;
3308         struct fb_info *pmy_info = NULL;
3309         struct rk_lcdc_driver *dev_drv = NULL;
3310         struct rk_lcdc_driver *pmy_dev_drv = rk_get_prmry_lcdc_drv();
3311         char name[6] = {0};
3312         int i, win_id, load_screen = 0;
3313
3314         if (unlikely(!rk_fb) || unlikely(!pmy_dev_drv) || unlikely(!screen))
3315                 return -ENODEV;
3316
3317         /* get lcdc driver */
3318         sprintf(name, "lcdc%d", lcdc_id);
3319         if (rk_fb->disp_mode != DUAL)
3320                 dev_drv = rk_fb->lcdc_dev_drv[0];
3321         else
3322                 dev_drv = rk_get_lcdc_drv(name);
3323
3324         if (dev_drv == NULL) {
3325                 printk(KERN_ERR "%s driver not found!", name);
3326                 return -ENODEV;
3327         }
3328         if (screen->type == SCREEN_HDMI)
3329                 printk("hdmi %s lcdc%d\n", enable ? "connect to" : "remove from",
3330                         dev_drv->id);
3331         else if (screen->type == SCREEN_TVOUT)
3332                 printk("cvbs %s lcdc%d\n", enable ? "connect to" : "remove from",
3333                         dev_drv->id);
3334
3335         if (enable == 2 /*&& dev_drv->enable*/)
3336                 return 0;
3337
3338         if (rk_fb->disp_mode == ONE_DUAL) {
3339                 if (dev_drv->trsm_ops && dev_drv->trsm_ops->disable)
3340                         dev_drv->trsm_ops->disable();
3341                 if (dev_drv->ops->set_screen_scaler)
3342                         dev_drv->ops->set_screen_scaler(dev_drv, dev_drv->screen0, 0);
3343         }
3344
3345         if (!enable) {
3346                 /* if screen type is different, we do not disable lcdc. */
3347                 if (dev_drv->cur_screen->type != screen->type)
3348                         return 0;
3349
3350                 /* if used one lcdc to dual disp, no need to close win */
3351                 if (rk_fb->disp_mode == ONE_DUAL) {
3352                         dev_drv->cur_screen = dev_drv->screen0;
3353                         dev_drv->ops->load_screen(dev_drv, 1);
3354                         if (dev_drv->trsm_ops && dev_drv->trsm_ops->enable)
3355                                 dev_drv->trsm_ops->enable();
3356                 } else if (rk_fb->num_lcdc > 1) {
3357                         /* If there is more than one lcdc device, we disable
3358                            the layer which attached to this device */
3359                         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3360                                 if (dev_drv->win[i] && dev_drv->win[i]->state)
3361                                         dev_drv->ops->open(dev_drv, i, 0);
3362                         }
3363                 }
3364
3365                 hdmi_switch_complete = 0;
3366                 return 0;
3367         } else {
3368                 if (dev_drv->screen1)
3369                         dev_drv->cur_screen = dev_drv->screen1;
3370                 memcpy(dev_drv->cur_screen, screen, sizeof(struct rk_screen));
3371                 dev_drv->cur_screen->xsize = dev_drv->cur_screen->mode.xres;
3372                 dev_drv->cur_screen->ysize = dev_drv->cur_screen->mode.yres;
3373                 dev_drv->cur_screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3374                 dev_drv->cur_screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3375         }
3376
3377         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3378                 info = rk_fb->fb[dev_drv->fb_index_base + i];
3379                 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3380                 if (dev_drv->win[win_id]) {
3381                         if (rk_fb->disp_mode == DUAL) {
3382                                 if (dev_drv != pmy_dev_drv &&
3383                                                 pmy_dev_drv->win[win_id]) {
3384                                         dev_drv->win[win_id]->logicalstate =
3385                                                 pmy_dev_drv->win[win_id]->logicalstate;
3386                                         pmy_info = rk_fb->fb[pmy_dev_drv->fb_index_base + i];
3387                                 }
3388                         }
3389                         if (dev_drv->win[win_id]->logicalstate) {
3390                                 if (!dev_drv->win[win_id]->state)
3391                                         dev_drv->ops->open(dev_drv, win_id, 1);
3392                                 if (!load_screen) {
3393                                         dev_drv->ops->load_screen(dev_drv, 1);
3394                                         load_screen = 1;
3395                                 }
3396                                 info->var.activate |= FB_ACTIVATE_FORCE;
3397                                 if (rk_fb->disp_mode == DUAL)
3398                                         rk_fb_update_ext_info(info, pmy_info, 1);
3399                                 info->fbops->fb_set_par(info);
3400                                 info->fbops->fb_pan_display(&info->var, info);
3401                         }
3402                 }
3403         }
3404
3405         hdmi_switch_complete = 1;
3406         if (rk_fb->disp_mode == ONE_DUAL) {
3407                 if (dev_drv->ops->set_screen_scaler)
3408                         dev_drv->ops->set_screen_scaler(dev_drv, dev_drv->screen0, 1);
3409                 if (dev_drv->trsm_ops && dev_drv->trsm_ops->enable)
3410                         dev_drv->trsm_ops->enable();
3411         }
3412         return 0;
3413 }
3414
3415 /*
3416  * function:this function current only called by hdmi for
3417  *      scale the display
3418  * scale_x: scale rate of x resolution
3419  * scale_y: scale rate of y resolution
3420  * lcdc_id: the lcdc id the hdmi attached ,0 or 1
3421  */
3422 int rk_fb_disp_scale(u8 scale_x, u8 scale_y, u8 lcdc_id)
3423 {
3424         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3425         struct fb_info *info = NULL;
3426         struct fb_info *pmy_info = NULL;
3427         struct fb_var_screeninfo *var = NULL;
3428         struct rk_lcdc_driver *dev_drv = NULL;
3429         u16 screen_x, screen_y;
3430         u16 xpos, ypos;
3431         char name[6];
3432         struct rk_screen primary_screen;
3433         rk_fb_get_prmry_screen(&primary_screen);
3434         if (primary_screen.type == SCREEN_HDMI) {
3435                 return 0;
3436         }
3437
3438         sprintf(name, "lcdc%d", lcdc_id);
3439
3440         if (inf->disp_mode == DUAL) {
3441                 dev_drv = rk_get_lcdc_drv(name);
3442                 if (dev_drv == NULL) {
3443                         printk(KERN_ERR "%s driver not found!", name);
3444                         return -ENODEV;
3445                 }
3446         } else {
3447                 dev_drv = inf->lcdc_dev_drv[0];
3448         }
3449
3450         if (inf->num_lcdc == 1) {
3451                 info = inf->fb[0];
3452         } else if (inf->num_lcdc == 2) {
3453                 info = inf->fb[dev_drv->lcdc_win_num];
3454                 pmy_info = inf->fb[0];
3455         }
3456
3457         var = &info->var;
3458         screen_x = dev_drv->cur_screen->mode.xres;
3459         screen_y = dev_drv->cur_screen->mode.yres;
3460
3461         if (inf->disp_mode != DUAL && dev_drv->screen1) {
3462                 dev_drv->cur_screen->xpos =
3463                     (screen_x - screen_x * scale_x / 100) >> 1;
3464                 dev_drv->cur_screen->ypos =
3465                     (screen_y - screen_y * scale_y / 100) >> 1;
3466                 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3467                 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3468         } else {
3469                 xpos = (screen_x - screen_x * scale_x / 100) >> 1;
3470                 ypos = (screen_y - screen_y * scale_y / 100) >> 1;
3471                 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3472                 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3473                 if (inf->disp_mode == DUAL) {
3474                         rk_fb_update_ext_info(info, pmy_info, 0);
3475                 } else {
3476                         var->nonstd &= 0xff;
3477                         var->nonstd |= (xpos << 8) + (ypos << 20);
3478                         var->grayscale &= 0xff;
3479                         var->grayscale |=
3480                                 (dev_drv->cur_screen->xsize << 8) +
3481                                 (dev_drv->cur_screen->ysize << 20);
3482                 }
3483         }
3484
3485         info->fbops->fb_set_par(info);
3486         /* info->fbops->fb_ioctl(info, RK_FBIOSET_CONFIG_DONE, 0); */
3487         dev_drv->ops->cfg_done(dev_drv);
3488         return 0;
3489 }
3490
3491 #if defined(CONFIG_ION_ROCKCHIP)
3492 static int rk_fb_alloc_buffer_by_ion(struct fb_info *fbi,
3493                                      struct rk_lcdc_win *win,
3494                                      unsigned long fb_mem_size)
3495 {
3496         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3497         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)fbi->par;
3498         struct ion_handle *handle;
3499         ion_phys_addr_t phy_addr;
3500         size_t len;
3501         int ret = 0;
3502
3503         if (dev_drv->iommu_enabled)
3504                 handle = ion_alloc(rk_fb->ion_client, (size_t) fb_mem_size, 0,
3505                                    ION_HEAP(ION_VMALLOC_HEAP_ID), 0);
3506         else
3507                 handle = ion_alloc(rk_fb->ion_client, (size_t) fb_mem_size, 0,
3508                                    ION_HEAP(ION_CMA_HEAP_ID), 0);
3509         if (IS_ERR(handle)) {
3510                 dev_err(fbi->device, "failed to ion_alloc:%ld\n",
3511                         PTR_ERR(handle));
3512                 return -ENOMEM;
3513         }
3514         fbi->var.reserved[0] = (__u32)handle;
3515         win->area[0].dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3516         if (IS_ERR_OR_NULL(win->area[0].dma_buf)) {
3517                 printk("ion_share_dma_buf() failed\n");
3518                 goto err_share_dma_buf;
3519         }
3520         win->area[0].ion_hdl = handle;
3521         if (dev_drv->prop == PRMRY)
3522                 fbi->screen_base = ion_map_kernel(rk_fb->ion_client, handle);
3523 #ifdef CONFIG_ROCKCHIP_IOMMU
3524         if (dev_drv->iommu_enabled)
3525                 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, handle,
3526                                         (unsigned long *)&phy_addr,
3527                                         (unsigned long *)&len);
3528         else
3529                 ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3530 #else
3531         ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3532 #endif
3533         if (ret < 0) {
3534                 dev_err(fbi->dev, "ion map to get phy addr failed\n");
3535                 goto err_share_dma_buf;
3536         }
3537         fbi->fix.smem_start = phy_addr;
3538         fbi->fix.smem_len = len;
3539         if (dev_drv->prop == PRMRY)
3540                 rk_fb->fb_phy_base = phy_addr;
3541         else
3542                 rk_fb->ext_fb_phy_base = phy_addr;
3543         printk(KERN_INFO "alloc_buffer:ion_phy_addr=0x%lx\n", phy_addr);
3544         return 0;
3545
3546 err_share_dma_buf:
3547         ion_free(rk_fb->ion_client, handle);
3548         return -ENOMEM;
3549 }
3550 #endif
3551
3552 static int rk_fb_alloc_buffer(struct fb_info *fbi, int fb_id)
3553 {
3554         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3555         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)fbi->par;
3556         struct rk_lcdc_win *win = NULL;
3557         int win_id;
3558         int ret = 0;
3559         unsigned long fb_mem_size;
3560 #if !defined(CONFIG_ION_ROCKCHIP)
3561         dma_addr_t fb_mem_phys;
3562         void *fb_mem_virt;
3563 #endif
3564
3565         win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
3566         if (win_id < 0)
3567                 return -ENODEV;
3568         else
3569                 win = dev_drv->win[win_id];
3570
3571         if (!strcmp(fbi->fix.id, "fb0")) {
3572                 fb_mem_size = get_fb_size();
3573 #if defined(CONFIG_ION_ROCKCHIP)
3574                 if (rk_fb_alloc_buffer_by_ion(fbi, win, fb_mem_size) < 0)
3575                         return -ENOMEM;
3576 #else
3577                 fb_mem_virt = dma_alloc_writecombine(fbi->dev, fb_mem_size,
3578                                                      &fb_mem_phys, GFP_KERNEL);
3579                 if (!fb_mem_virt) {
3580                         pr_err("%s: Failed to allocate framebuffer\n",
3581                                __func__);
3582                         return -ENOMEM;
3583                 }
3584                 fbi->fix.smem_len = fb_mem_size;
3585                 fbi->fix.smem_start = fb_mem_phys;
3586                 fbi->screen_base = fb_mem_virt;
3587                 rk_fb->fb_phy_base = fb_mem_phys;
3588 #endif
3589                 memset(fbi->screen_base, 0, fbi->fix.smem_len);
3590                 printk(KERN_INFO "fb%d:phy:%lx>>vir:%p>>len:0x%x\n", fb_id,
3591                        fbi->fix.smem_start, fbi->screen_base,
3592                        fbi->fix.smem_len);
3593         } else {
3594                 if (dev_drv->rotate_mode > X_Y_MIRROR) {
3595                         fb_mem_size = get_rotate_fb_size();
3596 #if defined(CONFIG_ION_ROCKCHIP)
3597                         if (rk_fb_alloc_buffer_by_ion(fbi, win, fb_mem_size) < 0)
3598                                 return -ENOMEM;
3599 #else
3600                         fb_mem_virt =
3601                                 dma_alloc_writecombine(fbi->dev,
3602                                                        fb_mem_size,
3603                                                        &fb_mem_phys,
3604                                                        GFP_KERNEL);
3605                         if (!fb_mem_virt) {
3606                                 pr_err("%s: Failed to allocate framebuffer\n",
3607                                         __func__);
3608                                 return -ENOMEM;
3609                         }
3610                         fbi->fix.smem_len = fb_mem_size;
3611                         fbi->fix.smem_start = fb_mem_phys;
3612                         fbi->screen_base = fb_mem_virt;
3613                         rk_fb->ext_fb_phy_base = fb_mem_phys;
3614 #endif
3615                 } else {
3616                         fbi->fix.smem_start = rk_fb->fb[0]->fix.smem_start;
3617                         fbi->fix.smem_len = rk_fb->fb[0]->fix.smem_len;
3618                         fbi->screen_base = rk_fb->fb[0]->screen_base;
3619                         rk_fb->ext_fb_phy_base = rk_fb->fb_phy_base;
3620                 }
3621
3622                 printk(KERN_INFO "fb%d:phy:%lx>>vir:%p>>len:0x%x\n", fb_id,
3623                        fbi->fix.smem_start, fbi->screen_base,
3624                        fbi->fix.smem_len);
3625         }
3626
3627         fbi->screen_size = fbi->fix.smem_len;
3628         win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
3629         if (win_id >= 0) {
3630                 win = dev_drv->win[win_id];
3631                 win->reserved = fbi->fix.smem_start;
3632         }
3633
3634         return ret;
3635 }
3636
3637 #if 0
3638 static int rk_release_fb_buffer(struct fb_info *fbi)
3639 {
3640         /* buffer for fb1 and fb3 are alloc by android */
3641         if (!strcmp(fbi->fix.id, "fb1") || !strcmp(fbi->fix.id, "fb3"))
3642                 return 0;
3643         iounmap(fbi->screen_base);
3644         release_mem_region(fbi->fix.smem_start, fbi->fix.smem_len);
3645         return 0;
3646 }
3647 #endif
3648
3649 static int init_lcdc_win(struct rk_lcdc_driver *dev_drv,
3650                          struct rk_lcdc_win *def_win)
3651 {
3652         int i;
3653         int lcdc_win_num = dev_drv->lcdc_win_num;
3654
3655         for (i = 0; i < lcdc_win_num; i++) {
3656                 struct rk_lcdc_win *win = NULL;
3657                 win = kzalloc(sizeof(struct rk_lcdc_win), GFP_KERNEL);
3658                 if (!win) {
3659                         dev_err(dev_drv->dev, "kzmalloc for win fail!");
3660                         return -ENOMEM;
3661                 }
3662
3663                 strcpy(win->name, def_win[i].name);
3664                 win->id = def_win[i].id;
3665                 win->support_3d = def_win[i].support_3d;
3666                 dev_drv->win[i] = win;
3667         }
3668
3669         return 0;
3670 }
3671
3672 static int init_lcdc_device_driver(struct rk_fb *rk_fb,
3673                                    struct rk_lcdc_win *def_win, int index)
3674 {
3675         struct rk_lcdc_driver *dev_drv = rk_fb->lcdc_dev_drv[index];
3676         struct rk_screen *screen = devm_kzalloc(dev_drv->dev,
3677                                                 sizeof(struct rk_screen),
3678                                                 GFP_KERNEL);
3679
3680         if (!screen) {
3681                 dev_err(dev_drv->dev, "malloc screen for lcdc%d fail!",
3682                         dev_drv->id);
3683                 return -ENOMEM;
3684         }
3685
3686         screen->screen_id = 0;
3687         screen->lcdc_id = dev_drv->id;
3688         screen->overscan.left = 100;
3689         screen->overscan.top = 100;
3690         screen->overscan.right = 100;
3691         screen->overscan.bottom = 100;
3692
3693         screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3694         screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3695
3696         dev_drv->screen0 = screen;
3697         dev_drv->cur_screen = screen;
3698         /* devie use one lcdc + rk61x scaler for dual display */
3699         if (rk_fb->disp_mode == ONE_DUAL) {
3700                 struct rk_screen *screen1 =
3701                                 devm_kzalloc(dev_drv->dev,
3702                                              sizeof(struct rk_screen),
3703                                              GFP_KERNEL);
3704                 if (!screen1) {
3705                         dev_err(dev_drv->dev, "malloc screen1 for lcdc%d fail!",
3706                                 dev_drv->id);
3707                         return -ENOMEM;
3708                 }
3709                 screen1->screen_id = 1;
3710                 screen1->lcdc_id = 1;
3711                 dev_drv->screen1 = screen1;
3712         }
3713         sprintf(dev_drv->name, "lcdc%d", dev_drv->id);
3714         init_lcdc_win(dev_drv, def_win);
3715         init_completion(&dev_drv->frame_done);
3716         spin_lock_init(&dev_drv->cpl_lock);
3717         mutex_init(&dev_drv->fb_win_id_mutex);
3718         dev_drv->ops->fb_win_remap(dev_drv, dev_drv->fb_win_map);
3719         dev_drv->first_frame = 1;
3720         dev_drv->overscan.left = 100;
3721         dev_drv->overscan.top = 100;
3722         dev_drv->overscan.right = 100;
3723         dev_drv->overscan.bottom = 100;
3724         rk_disp_pwr_ctr_parse_dt(dev_drv);
3725         if (dev_drv->prop == PRMRY) {
3726                 if (dev_drv->ops->set_dsp_cabc)
3727                         dev_drv->ops->set_dsp_cabc(dev_drv, dev_drv->cabc_mode);
3728                 rk_fb_set_prmry_screen(screen);
3729                 rk_fb_get_prmry_screen(screen);
3730         }
3731         dev_drv->trsm_ops = rk_fb_trsm_ops_get(screen->type);
3732         if (dev_drv->prop != PRMRY)
3733                 rk_fb_get_prmry_screen(screen);
3734         dev_drv->output_color = screen->color_mode;
3735
3736         return 0;
3737 }
3738
3739 #ifdef CONFIG_LOGO_LINUX_BMP
3740 static struct linux_logo *bmp_logo;
3741 static int fb_prewine_bmp_logo(struct fb_info *info, int rotate)
3742 {
3743         bmp_logo = fb_find_logo(24);
3744         if (bmp_logo == NULL) {
3745                 printk(KERN_INFO "%s error\n", __func__);
3746                 return 0;
3747         }
3748         return 1;
3749 }
3750
3751 static void fb_show_bmp_logo(struct fb_info *info, int rotate)
3752 {
3753         unsigned char *src = bmp_logo->data;
3754         unsigned char *dst = info->screen_base;
3755         int i;
3756         unsigned int Needwidth = (*(src - 24) << 8) | (*(src - 23));
3757         unsigned int Needheight = (*(src - 22) << 8) | (*(src - 21));
3758
3759         for (i = 0; i < Needheight; i++)
3760                 memcpy(dst + info->var.xres * i * 4,
3761                        src + bmp_logo->width * i * 4, Needwidth * 4);
3762 }
3763 #endif
3764
3765 /*
3766  * check if the primary lcdc has registerd,
3767  * the primary lcdc mas register first
3768  */
3769 bool is_prmry_rk_lcdc_registered(void)
3770 {
3771         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3772
3773         if (rk_fb->lcdc_dev_drv[0])
3774                 return true;
3775         else
3776                 return false;
3777 }
3778
3779 int rk_fb_register(struct rk_lcdc_driver *dev_drv,
3780                    struct rk_lcdc_win *win, int id)
3781 {
3782         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3783         struct fb_info *fbi;
3784         int i = 0, ret = 0, index = 0;
3785 /*
3786 #if defined(CONFIG_ROCKCHIP_IOMMU)
3787         struct device *mmu_dev = NULL;
3788 #endif
3789 */
3790         if (rk_fb->num_lcdc == RK30_MAX_LCDC_SUPPORT)
3791                 return -ENXIO;
3792
3793         for (i = 0; i < RK30_MAX_LCDC_SUPPORT; i++) {
3794                 if (!rk_fb->lcdc_dev_drv[i]) {
3795                         rk_fb->lcdc_dev_drv[i] = dev_drv;
3796                         rk_fb->lcdc_dev_drv[i]->id = id;
3797                         rk_fb->num_lcdc++;
3798                         break;
3799                 }
3800         }
3801
3802         index = i;
3803         init_lcdc_device_driver(rk_fb, win, index);
3804         dev_drv->fb_index_base = rk_fb->num_fb;
3805         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3806                 fbi = framebuffer_alloc(0, &fb_pdev->dev);
3807                 if (!fbi) {
3808                         dev_err(&fb_pdev->dev, "fb framebuffer_alloc fail!");
3809                         ret = -ENOMEM;
3810                 }
3811                 fbi->par = dev_drv;
3812                 fbi->var = def_var;
3813                 fbi->fix = def_fix;
3814                 sprintf(fbi->fix.id, "fb%d", rk_fb->num_fb);
3815                 fb_videomode_to_var(&fbi->var, &dev_drv->cur_screen->mode);
3816                 fbi->var.grayscale |=
3817                     (fbi->var.xres << 8) + (fbi->var.yres << 20);
3818 #if defined(CONFIG_LOGO_LINUX_BMP)
3819                 fbi->var.bits_per_pixel = 32;
3820 #else
3821                 fbi->var.bits_per_pixel = 16;
3822 #endif
3823                 fbi->fix.line_length =
3824                     (fbi->var.xres_virtual) * (fbi->var.bits_per_pixel >> 3);
3825                 fbi->var.width = dev_drv->cur_screen->width;
3826                 fbi->var.height = dev_drv->cur_screen->height;
3827                 fbi->var.pixclock = dev_drv->pixclock;
3828                 if (dev_drv->iommu_enabled)
3829                         fb_ops.fb_mmap = rk_fb_mmap;
3830                 fbi->fbops = &fb_ops;
3831                 fbi->flags = FBINFO_FLAG_DEFAULT;
3832                 fbi->pseudo_palette = dev_drv->win[i]->pseudo_pal;
3833                 ret = register_framebuffer(fbi);
3834                 if (ret < 0) {
3835                         dev_err(&fb_pdev->dev,
3836                                 "%s fb%d register_framebuffer fail!\n",
3837                                 __func__, rk_fb->num_fb);
3838                         return ret;
3839                 }
3840                 rkfb_create_sysfs(fbi);
3841                 rk_fb->fb[rk_fb->num_fb] = fbi;
3842                 dev_info(fbi->dev, "rockchip framebuffer registerd:%s\n",
3843                          fbi->fix.id);
3844                 rk_fb->num_fb++;
3845
3846                 if (i == 0) {
3847                         init_waitqueue_head(&dev_drv->vsync_info.wait);
3848                         init_waitqueue_head(&dev_drv->update_regs_wait);
3849                         ret = device_create_file(fbi->dev, &dev_attr_vsync);
3850                         if (ret)
3851                                 dev_err(fbi->dev,
3852                                         "failed to create vsync file\n");
3853                         dev_drv->vsync_info.thread =
3854                             kthread_run(rk_fb_wait_for_vsync_thread, dev_drv,
3855                                         "fb-vsync");
3856                         if (dev_drv->vsync_info.thread == ERR_PTR(-ENOMEM)) {
3857                                 dev_err(fbi->dev,
3858                                         "failed to run vsync thread\n");
3859                                 dev_drv->vsync_info.thread = NULL;
3860                         }
3861                         dev_drv->vsync_info.active = 1;
3862
3863                         mutex_init(&dev_drv->output_lock);
3864
3865                         INIT_LIST_HEAD(&dev_drv->update_regs_list);
3866                         mutex_init(&dev_drv->update_regs_list_lock);
3867                         init_kthread_worker(&dev_drv->update_regs_worker);
3868
3869                         dev_drv->update_regs_thread =
3870                             kthread_run(kthread_worker_fn,
3871                                         &dev_drv->update_regs_worker, "rk-fb");
3872                         if (IS_ERR(dev_drv->update_regs_thread)) {
3873                                 int err = PTR_ERR(dev_drv->update_regs_thread);
3874                                 dev_drv->update_regs_thread = NULL;
3875
3876                                 printk("failed to run update_regs thread\n");
3877                                 return err;
3878                         }
3879                         init_kthread_work(&dev_drv->update_regs_work,
3880                                           rk_fb_update_regs_handler);
3881
3882                         dev_drv->timeline =
3883                             sw_sync_timeline_create("fb-timeline");
3884                         dev_drv->timeline_max = 1;
3885                 }
3886         }
3887
3888         /* show logo for primary display device */
3889 #if !defined(CONFIG_FRAMEBUFFER_CONSOLE) && defined(CONFIG_LOGO)
3890         if (dev_drv->prop == PRMRY) {
3891                 struct fb_info *main_fbi = rk_fb->fb[0];
3892                 main_fbi->fbops->fb_open(main_fbi, 1);
3893
3894 #if defined(CONFIG_ROCKCHIP_IOMMU)
3895                 if (dev_drv->iommu_enabled) {
3896                         if (dev_drv->mmu_dev)
3897                                 rockchip_iovmm_set_fault_handler(dev_drv->dev,
3898                                                 rk_fb_sysmmu_fault_handler);
3899                 }
3900 #endif
3901
3902                 rk_fb_alloc_buffer(main_fbi, 0);        /* only alloc memory for main fb */
3903                 if (support_uboot_display()) {
3904                         if (dev_drv->iommu_enabled) {
3905                                 rk_fb_copy_from_loader(main_fbi);
3906                                 dev_drv->ops->direct_set_addr(dev_drv, 0,
3907                                         main_fbi->fix.smem_start);
3908                         }
3909                         return 0;
3910                 }
3911                 main_fbi->fbops->fb_set_par(main_fbi);
3912 #if  defined(CONFIG_LOGO_LINUX_BMP)
3913                 if (fb_prewine_bmp_logo(main_fbi, FB_ROTATE_UR)) {
3914                         fb_set_cmap(&main_fbi->cmap, main_fbi);
3915                         fb_show_bmp_logo(main_fbi, FB_ROTATE_UR);
3916                 }
3917 #else
3918                 if (fb_prepare_logo(main_fbi, FB_ROTATE_UR)) {
3919                         fb_set_cmap(&main_fbi->cmap, main_fbi);
3920                         fb_show_logo(main_fbi, FB_ROTATE_UR);
3921                 }
3922 #endif
3923                 main_fbi->fbops->fb_pan_display(&main_fbi->var, main_fbi);
3924         } else {
3925                 struct fb_info *extend_fbi = rk_fb->fb[rk_fb->num_fb >> 1];
3926                 int extend_fb_id = get_extend_fb_id(extend_fbi);
3927
3928                 rk_fb_alloc_buffer(extend_fbi, extend_fb_id);
3929         }
3930 #endif
3931         return 0;
3932 }
3933
3934 int rk_fb_unregister(struct rk_lcdc_driver *dev_drv)
3935 {
3936         struct rk_fb *fb_inf = platform_get_drvdata(fb_pdev);
3937         struct fb_info *fbi;
3938         int fb_index_base = dev_drv->fb_index_base;
3939         int fb_num = dev_drv->lcdc_win_num;
3940         int i = 0;
3941
3942         if (fb_inf->lcdc_dev_drv[i]->vsync_info.thread) {
3943                 fb_inf->lcdc_dev_drv[i]->vsync_info.irq_stop = 1;
3944                 kthread_stop(fb_inf->lcdc_dev_drv[i]->vsync_info.thread);
3945         }
3946
3947         for (i = 0; i < fb_num; i++)
3948                 kfree(dev_drv->win[i]);
3949
3950         for (i = fb_index_base; i < (fb_index_base + fb_num); i++) {
3951                 fbi = fb_inf->fb[i];
3952                 unregister_framebuffer(fbi);
3953                 /* rk_release_fb_buffer(fbi); */
3954                 framebuffer_release(fbi);
3955         }
3956         fb_inf->lcdc_dev_drv[dev_drv->id] = NULL;
3957         fb_inf->num_lcdc--;
3958
3959         return 0;
3960 }
3961
3962 static int rk_fb_probe(struct platform_device *pdev)
3963 {
3964         struct rk_fb *rk_fb = NULL;
3965         struct device_node *np = pdev->dev.of_node;
3966         u32 mode;
3967
3968         if (!np) {
3969                 dev_err(&pdev->dev, "Missing device tree node.\n");
3970                 return -EINVAL;
3971         }
3972
3973         rk_fb = devm_kzalloc(&pdev->dev, sizeof(struct rk_fb), GFP_KERNEL);
3974         if (!rk_fb) {
3975                 dev_err(&pdev->dev, "kmalloc for rk fb fail!");
3976                 return -ENOMEM;
3977         }
3978         platform_set_drvdata(pdev, rk_fb);
3979
3980         if (!of_property_read_u32(np, "rockchip,disp-mode", &mode)) {
3981                 rk_fb->disp_mode = mode;
3982
3983         } else {
3984                 dev_err(&pdev->dev, "no disp-mode node found!");
3985                 return -ENODEV;
3986         }
3987
3988         if (!of_property_read_u32(np, "rockchip,uboot-logo-on", &uboot_logo_on))
3989                 printk(KERN_DEBUG "uboot-logo-on:%d\n", uboot_logo_on);
3990
3991         dev_set_name(&pdev->dev, "rockchip-fb");
3992 #if defined(CONFIG_ION_ROCKCHIP)
3993         rk_fb->ion_client = rockchip_ion_client_create("rk_fb");
3994         if (IS_ERR(rk_fb->ion_client)) {
3995                 dev_err(&pdev->dev, "failed to create ion client for rk fb");
3996                 return PTR_ERR(rk_fb->ion_client);
3997         } else {
3998                 dev_info(&pdev->dev, "rk fb ion client create success!\n");
3999         }
4000 #endif
4001
4002         fb_pdev = pdev;
4003         dev_info(&pdev->dev, "rockchip framebuffer driver probe\n");
4004         return 0;
4005 }
4006
4007 static int rk_fb_remove(struct platform_device *pdev)
4008 {
4009         struct rk_fb *rk_fb = platform_get_drvdata(pdev);
4010
4011         kfree(rk_fb);
4012         platform_set_drvdata(pdev, NULL);
4013         return 0;
4014 }
4015
4016 static void rk_fb_shutdown(struct platform_device *pdev)
4017 {
4018         struct rk_fb *rk_fb = platform_get_drvdata(pdev);
4019         int i;
4020
4021         for (i = 0; i < rk_fb->num_lcdc; i++) {
4022                 if (!rk_fb->lcdc_dev_drv[i])
4023                         continue;
4024         }
4025 }
4026
4027 static const struct of_device_id rkfb_dt_ids[] = {
4028         {.compatible = "rockchip,rk-fb",},
4029         {}
4030 };
4031
4032 static struct platform_driver rk_fb_driver = {
4033         .probe = rk_fb_probe,
4034         .remove = rk_fb_remove,
4035         .driver = {
4036                    .name = "rk-fb",
4037                    .owner = THIS_MODULE,
4038                    .of_match_table = of_match_ptr(rkfb_dt_ids),
4039                    },
4040         .shutdown = rk_fb_shutdown,
4041 };
4042
4043 static int __init rk_fb_init(void)
4044 {
4045         return platform_driver_register(&rk_fb_driver);
4046 }
4047
4048 static void __exit rk_fb_exit(void)
4049 {
4050         platform_driver_unregister(&rk_fb_driver);
4051 }
4052
4053 fs_initcall(rk_fb_init);
4054 module_exit(rk_fb_exit);