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         win->state = 1;
1395
1396         dev_drv->ops->pan_display(dev_drv, win_id);
1397
1398         if (rk_fb->disp_mode == DUAL) {
1399                 if (extend_win->state && hdmi_switch_complete) {
1400                         rk_fb_set_ext_win_buffer(extend_win, win,
1401                                                  extend_dev_drv->rotate_mode,
1402                                                  extend_dev_drv->iommu_enabled);
1403                         if (extend_dev_drv->rotate_mode > X_Y_MIRROR)
1404                                 rk_fb_rotate(extend_info, info);
1405
1406                         extend_dev_drv->ops->pan_display(extend_dev_drv,
1407                                                          extend_win_id);
1408                         extend_dev_drv->ops->cfg_done(extend_dev_drv);
1409                 }
1410         }
1411 #ifdef  CONFIG_FB_MIRRORING
1412         if (video_data_to_mirroring)
1413                 video_data_to_mirroring(info, NULL);
1414 #endif
1415         dev_drv->ops->cfg_done(dev_drv);
1416         return 0;
1417 }
1418
1419 static int rk_fb_get_list_stat(struct rk_lcdc_driver *dev_drv)
1420 {
1421         int i, j;
1422
1423         i = list_empty(&dev_drv->update_regs_list);
1424         j = list_empty(&saved_list);
1425         return i == j ? 0 : 1;
1426 }
1427
1428 void rk_fd_fence_wait(struct rk_lcdc_driver *dev_drv, struct sync_fence *fence)
1429 {
1430         int err = sync_fence_wait(fence, 1000);
1431
1432         if (err >= 0)
1433                 return;
1434
1435         if (err == -ETIME)
1436                 err = sync_fence_wait(fence, 10 * MSEC_PER_SEC);
1437
1438         if (err < 0)
1439                 printk("error waiting on fence\n");
1440 }
1441
1442 static int rk_fb_copy_from_loader(struct fb_info *info)
1443 {
1444         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
1445         void *dst = info->screen_base;
1446         u32 dsp_addr[4];
1447         u32 src;
1448         u32 i;
1449         struct rk_lcdc_win *win = dev_drv->win[0];
1450         u32 size = (win->area[0].xact) * (win->area[0].yact) << 2;
1451         dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1452         src = dsp_addr[0];
1453         dev_info(info->dev, "copy fb data %d x %d  from  dst_addr:%08x\n",
1454                  win->area[0].xact, win->area[0].yact, src);
1455         for (i = 0; i < size; i += PAGE_SIZE) {
1456                 void *page = phys_to_page(i + src);
1457                 void *from_virt = kmap(page);
1458                 void *to_virt = dst + i;
1459                 memcpy(to_virt, from_virt, PAGE_SIZE);
1460         }
1461         return 0;
1462 }
1463
1464 #ifdef CONFIG_ROCKCHIP_IOMMU
1465 static int g_last_addr[4];
1466 int g_last_timeout;
1467 u32 freed_addr[10];
1468 u32 freed_index;
1469
1470 #define DUMP_CHUNK 256
1471 char buf[PAGE_SIZE];
1472
1473 int rk_fb_sysmmu_fault_handler(struct device *dev,
1474                                enum rk_iommu_inttype itype,
1475                                unsigned long pgtable_base,
1476                                unsigned long fault_addr, unsigned int status)
1477 {
1478         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
1479         int i = 0;
1480         static int page_fault_cnt;
1481         if ((page_fault_cnt++) >= 10)
1482                 return 0;
1483         pr_err
1484             ("PAGE FAULT occurred at 0x%lx (Page table base: 0x%lx),status=%d\n",
1485              fault_addr, pgtable_base, status);
1486         printk("last config addr:\n" "win0:0x%08x\n" "win1:0x%08x\n"
1487                "win2:0x%08x\n" "win3:0x%08x\n", g_last_addr[0], g_last_addr[1],
1488                g_last_addr[2], g_last_addr[3]);
1489         printk("last freed buffer:\n");
1490         for (i = 0; (freed_addr[i] != 0xfefefefe) && freed_addr[i]; i++)
1491                 printk("%d:0x%08x\n", i, freed_addr[i]);
1492         printk("last timeout:%d\n", g_last_timeout);
1493         dev_drv->ops->get_disp_info(dev_drv, buf, 0);
1494         for (i = 0; i < PAGE_SIZE; i += DUMP_CHUNK) {
1495                 if ((PAGE_SIZE - i) > DUMP_CHUNK) {
1496                         char c = buf[i + DUMP_CHUNK];
1497                         buf[i + DUMP_CHUNK] = 0;
1498                         pr_cont("%s", buf + i);
1499                         buf[i + DUMP_CHUNK] = c;
1500                 } else {
1501                         buf[PAGE_SIZE - 1] = 0;
1502                         pr_cont("%s", buf + i);
1503                 }
1504         }
1505
1506         return 0;
1507 }
1508 #endif
1509
1510 void rk_fb_free_dma_buf(struct rk_lcdc_driver *dev_drv,
1511                         struct rk_fb_reg_win_data *reg_win_data)
1512 {
1513         int i, index_buf;
1514         struct rk_fb_reg_area_data *area_data;
1515         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1516 #if defined(CONFIG_ROCKCHIP_IOMMU)
1517         struct rk_lcdc_driver *ext_dev_drv = rk_get_extend_lcdc_drv();
1518 #endif
1519
1520         for (i = 0; i < reg_win_data->area_num; i++) {
1521                 area_data = &reg_win_data->reg_area_data[i];
1522                 index_buf = area_data->index_buf;
1523 #if defined(CONFIG_ROCKCHIP_IOMMU)
1524                 if (dev_drv->iommu_enabled) {
1525                         ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client,
1526                                         area_data->ion_handle);
1527                         freed_addr[freed_index++] = area_data->smem_start;
1528                 }
1529                 if (rk_fb->disp_mode == DUAL && hdmi_switch_complete) {
1530                         if (ext_dev_drv->iommu_enabled)
1531                                 ion_unmap_iommu(ext_dev_drv->dev,
1532                                                 rk_fb->ion_client,
1533                                                 area_data->ion_handle);
1534                 }
1535 #endif
1536                 if (area_data->ion_handle != NULL) {
1537                         ion_unmap_kernel(rk_fb->ion_client,
1538                                          area_data->ion_handle);
1539                         ion_free(rk_fb->ion_client, area_data->ion_handle);
1540                 }
1541                 if (area_data->acq_fence)
1542                         sync_fence_put(area_data->acq_fence);
1543         }
1544         memset(reg_win_data, 0, sizeof(struct rk_fb_reg_win_data));
1545 }
1546
1547 /*
1548  * function: update extend win info acorrding to primary win info,
1549         the function is only used for dual display mode
1550  * @ext_dev_drv: the extend lcdc driver
1551  * @dev_drv: the primary lcdc driver
1552  * @ext_win: the lcdc win info of extend screen
1553  * @win: the lcdc win info of primary screen
1554  */
1555 static int rk_fb_update_ext_win(struct rk_lcdc_driver *ext_dev_drv,
1556                                      struct rk_lcdc_driver *dev_drv,
1557                                      struct rk_lcdc_win *ext_win,
1558                                      struct rk_lcdc_win *win)
1559 {
1560         struct rk_screen *screen = dev_drv->cur_screen;
1561         struct rk_screen *ext_screen = ext_dev_drv->cur_screen;
1562         int hdmi_xsize = ext_screen->xsize;
1563         int hdmi_ysize = ext_screen->ysize;
1564         int pixel_width, vir_width_bit, y_stride;
1565         bool is_yuv = false;
1566         int rotate_mode = 0;
1567
1568         if (unlikely(!dev_drv) || unlikely(!ext_dev_drv) ||
1569             unlikely(!ext_win) || unlikely(!win))
1570                 return -1;
1571
1572         rotate_mode = ext_dev_drv->rotate_mode;
1573
1574         if (ext_win->state == 0) {
1575                 dev_info(ext_dev_drv->dev, "extend lcdc win is closed\n");
1576                 return 0;
1577         }
1578
1579         ext_win->area[0].state = win->area[0].state;
1580         ext_win->area_num = win->area_num;
1581         ext_win->format = win->format;
1582         ext_win->fmt_10 = win->fmt_10;
1583         ext_win->z_order = win->z_order;
1584         ext_win->alpha_en = win->alpha_en;
1585         ext_win->alpha_mode = win->alpha_mode;
1586         ext_win->g_alpha_val = win->g_alpha_val;
1587
1588         switch (ext_win->format) {
1589         case YUV422:
1590         case YUV420:
1591         case YUV444:
1592         case YUV422_A:
1593         case YUV420_A:
1594         case YUV444_A:
1595                 is_yuv = true;
1596                 break;
1597         default:
1598                 is_yuv = false;
1599                 break;
1600         }
1601
1602         if (rotate_mode == ROTATE_90 || rotate_mode == ROTATE_270) {
1603                 ext_win->area[0].xact = win->area[0].yact;
1604                 ext_win->area[0].yact = win->area[0].xact;
1605                 ext_win->area[0].xvir = win->area[0].yact;
1606                 ext_win->area[0].yvir = win->area[0].xact;
1607
1608                 pixel_width = rk_fb_pixel_width(ext_win->format);
1609                 vir_width_bit = pixel_width * ext_win->area[0].xvir;
1610                 y_stride = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
1611                 ext_win->area[0].y_vir_stride = y_stride >> 2;
1612                 if (is_yuv)
1613                         ext_win->area[0].uv_vir_stride = ext_win->area[0].y_vir_stride;
1614                 else
1615                         ext_win->area[0].uv_vir_stride = 0;
1616         } else {
1617                 ext_win->area[0].xact = win->area[0].xact;
1618                 ext_win->area[0].yact = win->area[0].yact;
1619                 if (win->area[0].xvir == 0)
1620                         ext_win->area[0].xvir = win->area[0].xact;
1621                 else
1622                         ext_win->area[0].xvir = win->area[0].xvir;
1623                 if (win->area[0].yvir == 0)
1624                         ext_win->area[0].yvir = win->area[0].yact;
1625                 else
1626                         ext_win->area[0].yvir = win->area[0].yvir;
1627                 ext_win->area[0].y_vir_stride = win->area[0].y_vir_stride;
1628                 if (is_yuv)
1629                         ext_win->area[0].uv_vir_stride = win->area[0].uv_vir_stride;
1630                 else
1631                         ext_win->area[0].uv_vir_stride = 0;
1632         }
1633
1634         if (win->area[0].xpos != 0 || win->area[0].ypos != 0) {
1635                 if (rotate_mode == ROTATE_270) {
1636                         int xbom_pos = 0, ybom_pos = 0;
1637                         int xtop_pos = 0, ytop_pos = 0;
1638
1639                         ext_win->area[0].xsize =
1640                                 hdmi_xsize * win->area[0].ysize / screen->mode.yres;
1641                         ext_win->area[0].ysize =
1642                                 hdmi_ysize * win->area[0].xsize / screen->mode.xres;
1643                         xbom_pos =
1644                                 hdmi_xsize * win->area[0].ypos / screen->mode.yres;
1645                         ybom_pos = hdmi_ysize * win->area[0].xpos / screen->mode.xres;
1646                         xtop_pos = hdmi_xsize - ext_win->area[0].xsize - xbom_pos;
1647                         ytop_pos = hdmi_ysize - ext_win->area[0].ysize - ybom_pos;
1648                         ext_win->area[0].xpos =
1649                                 ((ext_screen->mode.xres - hdmi_xsize) >> 1) + xtop_pos;
1650                         ext_win->area[0].ypos =
1651                                 ((ext_screen->mode.yres - hdmi_ysize) >> 1) + ytop_pos;
1652                 } else if (rotate_mode == ROTATE_90) {
1653                         ext_win->area[0].xsize =
1654                                 hdmi_xsize * win->area[0].ysize / screen->mode.yres;
1655                         ext_win->area[0].ysize =
1656                                 hdmi_ysize * win->area[0].xsize / screen->mode.xres;
1657                         ext_win->area[0].xpos =
1658                                 ((ext_screen->mode.xres - hdmi_xsize) >> 1) +
1659                                 hdmi_xsize * win->area[0].ypos / screen->mode.yres;
1660                         ext_win->area[0].ypos =
1661                                 ((ext_screen->mode.yres - hdmi_ysize) >> 1) +
1662                                 hdmi_ysize * win->area[0].xpos / screen->mode.xres;
1663                 } else {
1664                         ext_win->area[0].xsize =
1665                                 hdmi_xsize * win->area[0].xsize / screen->mode.xres;
1666                         ext_win->area[0].ysize =
1667                                 hdmi_ysize * win->area[0].ysize / screen->mode.yres;
1668                         ext_win->area[0].xpos =
1669                                 ((ext_screen->mode.xres - hdmi_xsize) >> 1) +
1670                                 hdmi_xsize * win->area[0].xpos / screen->mode.xres;
1671                         ext_win->area[0].ypos =
1672                                 ((ext_screen->mode.yres - hdmi_ysize) >> 1) +
1673                                 hdmi_ysize * win->area[0].ypos / screen->mode.yres;
1674                 }
1675         } else {
1676                 ext_win->area[0].xsize = hdmi_xsize;
1677                 ext_win->area[0].ysize = hdmi_ysize;
1678                 ext_win->area[0].xpos =
1679                         (ext_screen->mode.xres - hdmi_xsize) >> 1;
1680                 ext_win->area[0].ypos =
1681                         (ext_screen->mode.yres - hdmi_ysize) >> 1;
1682         }
1683
1684         return 0;
1685 }
1686
1687 static void rk_fb_update_win(struct rk_lcdc_driver *dev_drv,
1688                                 struct rk_lcdc_win *win,
1689                                 struct rk_fb_reg_win_data *reg_win_data)
1690 {
1691         int i = 0;
1692         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
1693         struct rk_screen *cur_screen;
1694         struct rk_screen primary_screen;
1695
1696         if (unlikely(!inf) || unlikely(!dev_drv) ||
1697             unlikely(!win) || unlikely(!reg_win_data))
1698                 return;
1699
1700         cur_screen = dev_drv->cur_screen;
1701         rk_fb_get_prmry_screen(&primary_screen);
1702
1703         win->area_num = reg_win_data->area_num;
1704         win->format = reg_win_data->data_format;
1705         win->id = reg_win_data->win_id;
1706         win->z_order = reg_win_data->z_order;
1707
1708         if (reg_win_data->reg_area_data[0].smem_start > 0) {
1709                 win->state = 1;
1710                 win->area_num = reg_win_data->area_num;
1711                 win->format = reg_win_data->data_format;
1712                 win->id = reg_win_data->win_id;
1713                 win->z_order = reg_win_data->z_order;
1714                 win->area[0].uv_vir_stride =
1715                     reg_win_data->reg_area_data[0].uv_vir_stride;
1716                 win->area[0].cbr_start =
1717                     reg_win_data->reg_area_data[0].cbr_start;
1718                 win->area[0].c_offset = reg_win_data->reg_area_data[0].c_offset;
1719                 win->alpha_en = reg_win_data->alpha_en;
1720                 win->alpha_mode = reg_win_data->alpha_mode;
1721                 win->g_alpha_val = reg_win_data->g_alpha_val;
1722                 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
1723                         if (reg_win_data->reg_area_data[i].smem_start > 0) {
1724                                 win->area[i].ion_hdl =
1725                                         reg_win_data->reg_area_data[i].ion_handle;
1726                                 win->area[i].smem_start =
1727                                         reg_win_data->reg_area_data[i].smem_start;
1728                                 if (inf->disp_mode == DUAL) {
1729                                         win->area[i].xpos =
1730                                                 reg_win_data->reg_area_data[i].xpos;
1731                                         win->area[i].ypos =
1732                                                 reg_win_data->reg_area_data[i].ypos;
1733                                         win->area[i].xsize =
1734                                                 reg_win_data->reg_area_data[i].xsize;
1735                                         win->area[i].ysize =
1736                                                 reg_win_data->reg_area_data[i].ysize;
1737                                 } else {
1738                                         win->area[i].xpos =
1739                                                 reg_win_data->reg_area_data[i].xpos *
1740                                                 cur_screen->mode.xres /
1741                                                 primary_screen.mode.xres;
1742                                         win->area[i].ypos =
1743                                                 reg_win_data->reg_area_data[i].ypos *
1744                                                 cur_screen->mode.yres /
1745                                                 primary_screen.mode.yres;
1746                                         win->area[i].xsize =
1747                                                 reg_win_data->reg_area_data[i].xsize *
1748                                                 cur_screen->mode.xres /
1749                                                 primary_screen.mode.xres;
1750                                         win->area[i].ysize =
1751                                                 reg_win_data->reg_area_data[i].ysize *
1752                                                 cur_screen->mode.yres /
1753                                                 primary_screen.mode.yres;
1754                                 }
1755                                 win->area[i].xact =
1756                                     reg_win_data->reg_area_data[i].xact;
1757                                 win->area[i].yact =
1758                                     reg_win_data->reg_area_data[i].yact;
1759                                 win->area[i].xvir =
1760                                     reg_win_data->reg_area_data[i].xvir;
1761                                 win->area[i].yvir =
1762                                     reg_win_data->reg_area_data[i].yvir;
1763                                 win->area[i].y_offset =
1764                                     reg_win_data->reg_area_data[i].y_offset;
1765                                 win->area[i].y_vir_stride =
1766                                     reg_win_data->reg_area_data[i].y_vir_stride;
1767                                 win->area[i].state = 1;
1768                         } else {
1769                                 win->area[i].state = 0;
1770                         }
1771                 }
1772         } else {
1773         /*
1774                 win->state = 0;
1775                 win->z_order = -1;
1776         */
1777         }
1778 }
1779
1780 static struct rk_fb_reg_win_data *rk_fb_get_win_data(struct rk_fb_reg_data
1781                                                      *regs, int win_id)
1782 {
1783         int i;
1784         struct rk_fb_reg_win_data *win_data = NULL;
1785         for (i = 0; i < regs->win_num; i++) {
1786                 if (regs->reg_win_data[i].win_id == win_id) {
1787                         win_data = &(regs->reg_win_data[i]);
1788                         break;
1789                 }
1790         }
1791
1792         return win_data;
1793 }
1794
1795 static void rk_fb_update_reg(struct rk_lcdc_driver *dev_drv,
1796                              struct rk_fb_reg_data *regs)
1797 {
1798         int i, j;
1799         struct rk_lcdc_win *win;
1800         ktime_t timestamp = dev_drv->vsync_info.timestamp;
1801         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1802         struct rk_lcdc_driver *ext_dev_drv;
1803         struct rk_lcdc_win *ext_win;
1804         struct rk_fb_reg_win_data *win_data;
1805         bool wait_for_vsync;
1806         int count = 100;
1807         unsigned int dsp_addr[4];
1808         long timeout;
1809
1810         /* acq_fence wait */
1811         for (i = 0; i < regs->win_num; i++) {
1812                 win_data = &regs->reg_win_data[i];
1813                 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1814                         if (win_data->reg_area_data[j].acq_fence) {
1815                                 /* printk("acq_fence wait!!!!!\n"); */
1816                                 rk_fd_fence_wait(dev_drv, win_data->reg_area_data[j].acq_fence);
1817                         }
1818                 }
1819         }
1820
1821         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1822                 win = dev_drv->win[i];
1823                 win_data = rk_fb_get_win_data(regs, i);
1824                 if (win_data) {
1825                         rk_fb_update_win(dev_drv, win, win_data);
1826                         win->state = 1;
1827                         dev_drv->ops->set_par(dev_drv, i);
1828                         dev_drv->ops->pan_display(dev_drv, i);
1829 #if defined(CONFIG_ROCKCHIP_IOMMU)
1830                         if (dev_drv->iommu_enabled) {
1831                                 g_last_addr[i] = win_data->reg_area_data[0].smem_start +
1832                                         win_data->reg_area_data[0].y_offset;
1833                         }
1834 #endif
1835                 } else {
1836                         win->z_order = -1;
1837                         win->state = 0;
1838                 }
1839         }
1840         dev_drv->ops->ovl_mgr(dev_drv, 0, 1);
1841
1842         if ((rk_fb->disp_mode == DUAL)
1843             && (hdmi_get_hotplug() == HDMI_HPD_ACTIVED)
1844             && hdmi_switch_complete) {
1845                 ext_dev_drv = rk_get_extend_lcdc_drv();
1846                 if (!ext_dev_drv) {
1847                         printk(KERN_ERR "hdmi lcdc driver not found!\n");
1848                         goto ext_win_exit;
1849                 }
1850
1851                 /*
1852                   * For RK3288: win0 and win1 have only one area and support scale
1853                   * but win2 and win3 don't support scale
1854                   * so hdmi only use win0 or win1
1855                   */
1856                 for (i = 0; i < 2; i++) {
1857                         win = dev_drv->win[i];
1858                         ext_win = ext_dev_drv->win[i];
1859                         ext_win->state = win->state;
1860                         ext_win->id = win->id;
1861                         if (!ext_win->state)
1862                                 continue;
1863                         rk_fb_update_ext_win(ext_dev_drv, dev_drv, ext_win, win);
1864                         rk_fb_set_ext_win_buffer(ext_win, win,
1865                                                  ext_dev_drv->rotate_mode,
1866                                                  ext_dev_drv->iommu_enabled);
1867
1868                         if (ext_dev_drv->rotate_mode > X_Y_MIRROR)
1869                                 rk_fb_win_rotate(ext_win, win,
1870                                                  ext_dev_drv->rotate_mode,
1871                                                  ext_dev_drv->iommu_enabled);
1872
1873                         ext_dev_drv->ops->set_par(ext_dev_drv, i);
1874                         ext_dev_drv->ops->pan_display(ext_dev_drv, i);
1875                 }
1876
1877                 ext_dev_drv->ops->cfg_done(ext_dev_drv);
1878         }
1879 ext_win_exit:
1880         dev_drv->ops->cfg_done(dev_drv);
1881
1882         do {
1883                 timestamp = dev_drv->vsync_info.timestamp;
1884                 timeout = wait_event_interruptible_timeout(dev_drv->vsync_info.wait,
1885                                 ktime_compare(dev_drv->vsync_info.timestamp, timestamp) > 0,
1886                                 msecs_to_jiffies(25));
1887                 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1888                 wait_for_vsync = false;
1889                 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1890                         if (dev_drv->win[i]->state == 1) {
1891                                 u32 new_start =
1892                                     dev_drv->win[i]->area[0].smem_start +
1893                                     dev_drv->win[i]->area[0].y_offset;
1894                                 u32 reg_start = dsp_addr[i];
1895
1896                                 if (unlikely(new_start != reg_start)) {
1897                                         wait_for_vsync = true;
1898                                         dev_info(dev_drv->dev,
1899                                                "win%d:new_addr:0x%08x cur_addr:0x%08x--%d\n",
1900                                                i, new_start, reg_start, 101 - count);
1901                                         break;
1902                                 }
1903                         }
1904                 }
1905         } while (wait_for_vsync && count--);
1906 #ifdef H_USE_FENCE
1907         sw_sync_timeline_inc(dev_drv->timeline, 1);
1908 #endif
1909         if (!g_first_buf) {
1910 #if defined(CONFIG_ROCKCHIP_IOMMU)
1911                 if (dev_drv->iommu_enabled) {
1912                         freed_index = 0;
1913                         g_last_timeout = timeout;
1914                 }
1915 #endif
1916                 for (i = 0; i < g_last_win_num; i++)
1917                         rk_fb_free_dma_buf(dev_drv, &g_reg_win_data[i]);
1918
1919 #if defined(CONFIG_ROCKCHIP_IOMMU)
1920                 if (dev_drv->iommu_enabled)
1921                         freed_addr[freed_index] = 0xfefefefe;
1922 #endif
1923         }
1924         for (i = 0; i < regs->win_num; i++) {
1925                 memcpy(&g_reg_win_data[i], &(regs->reg_win_data[i]),
1926                        sizeof(struct rk_fb_reg_win_data));
1927         }
1928         g_last_win_num = regs->win_num;
1929         g_first_buf = 0;
1930 }
1931
1932 static void rk_fb_update_regs_handler(struct kthread_work *work)
1933 {
1934         struct rk_lcdc_driver *dev_drv =
1935             container_of(work, struct rk_lcdc_driver, update_regs_work);
1936         struct rk_fb_reg_data *data, *next;
1937         /* struct list_head saved_list; */
1938
1939         mutex_lock(&dev_drv->update_regs_list_lock);
1940         saved_list = dev_drv->update_regs_list;
1941         list_replace_init(&dev_drv->update_regs_list, &saved_list);
1942         mutex_unlock(&dev_drv->update_regs_list_lock);
1943
1944         list_for_each_entry_safe(data, next, &saved_list, list) {
1945                 rk_fb_update_reg(dev_drv, data);
1946                 list_del(&data->list);
1947                 kfree(data);
1948         }
1949
1950         if (dev_drv->wait_fs && list_empty(&dev_drv->update_regs_list))
1951                 wake_up(&dev_drv->update_regs_wait);
1952 }
1953
1954 static int rk_fb_check_config_var(struct rk_fb_area_par *area_par,
1955                                   struct rk_screen *screen)
1956 {
1957         if ((area_par->x_offset + area_par->xact > area_par->xvir) ||
1958             (area_par->xact <= 0) || (area_par->yact <= 0) ||
1959             (area_par->xvir <= 0) || (area_par->yvir <= 0)) {
1960                 pr_err("check config var fail 0:\n"
1961                        "x_offset=%d,xact=%d,xvir=%d\n",
1962                        area_par->x_offset, area_par->xact, area_par->xvir);
1963                 return -EINVAL;
1964         }
1965
1966         if ((area_par->xpos + area_par->xsize > screen->mode.xres) ||
1967             (area_par->ypos + area_par->ysize > screen->mode.yres) ||
1968             (area_par->xsize <= 0) || (area_par->ysize <= 0)) {
1969                 pr_err("check config var fail 1:\n"
1970                        "xpos=%d,xsize=%d,xres=%d\n"
1971                        "ypos=%d,ysize=%d,yres=%d\n",
1972                        area_par->xpos, area_par->xsize, screen->mode.xres,
1973                        area_par->ypos, area_par->ysize, screen->mode.yres);
1974                 return -EINVAL;
1975         }
1976         return 0;
1977 }
1978
1979 static int rk_fb_set_win_buffer(struct fb_info *info,
1980                                 struct rk_fb_win_par *win_par,
1981                                 struct rk_fb_reg_win_data *reg_win_data)
1982 {
1983         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
1984         struct fb_fix_screeninfo *fix = &info->fix;
1985         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
1986         struct rk_screen *screen = dev_drv->cur_screen;
1987         struct rk_screen primary_screen;
1988         struct fb_info *fbi = rk_fb->fb[0];
1989         int i, ion_fd, acq_fence_fd;
1990         u32 xvir, yvir;
1991         u32 xoffset, yoffset;
1992
1993         struct ion_handle *hdl;
1994         size_t len;
1995         int index_buf;
1996         u8 fb_data_fmt;
1997         u8 pixel_width;
1998         u32 vir_width_bit;
1999         u32 stride, uv_stride;
2000         u32 stride_32bit_1;
2001         u32 stride_32bit_2;
2002         u16 uv_x_off, uv_y_off, uv_y_act;
2003         u8 is_pic_yuv = 0;
2004         u8 ppixel_a = 0, global_a = 0;
2005         ion_phys_addr_t phy_addr;
2006         int ret = 0;
2007
2008         reg_win_data->reg_area_data[0].smem_start = -1;
2009         reg_win_data->area_num = 0;
2010         fbi = rk_fb->fb[reg_win_data->win_id];
2011         if (win_par->area_par[0].phy_addr == 0) {
2012                 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
2013                         ion_fd = win_par->area_par[i].ion_fd;
2014                         if (ion_fd > 0) {
2015                                 hdl =
2016                                     ion_import_dma_buf(rk_fb->ion_client,
2017                                                        ion_fd);
2018                                 if (IS_ERR(hdl)) {
2019                                         pr_info
2020                                             ("%s: Could not import handle: %d\n",
2021                                              __func__, (int)hdl);
2022                                         /*return -EINVAL; */
2023                                         break;
2024                                 }
2025                                 fbi->screen_base =
2026                                     ion_map_kernel(rk_fb->ion_client, hdl);
2027                                 reg_win_data->area_num++;
2028                                 reg_win_data->reg_area_data[i].ion_handle = hdl;
2029 #ifndef CONFIG_ROCKCHIP_IOMMU
2030                                 ret = ion_phys(rk_fb->ion_client, hdl, &phy_addr,
2031                                                 &len);
2032 #else
2033                                 if (dev_drv->iommu_enabled)
2034                                         ret = ion_map_iommu(dev_drv->dev,
2035                                                                 rk_fb->ion_client,
2036                                                                 hdl,
2037                                                                 (unsigned long *)&phy_addr,
2038                                                                 (unsigned long *)&len);
2039                                 else
2040                                         ret = ion_phys(rk_fb->ion_client, hdl,
2041                                                         &phy_addr, &len);
2042 #endif
2043                                 if (ret < 0) {
2044                                         dev_err(fbi->dev, "ion map to get phy addr failed\n");
2045                                         ion_free(rk_fb->ion_client, hdl);
2046                                         return -ENOMEM;
2047                                 }
2048                                 reg_win_data->reg_area_data[i].smem_start = phy_addr;
2049                                 reg_win_data->area_buf_num++;
2050                                 reg_win_data->reg_area_data[i].index_buf = 1;
2051                         }
2052                 }
2053         } else {
2054                 reg_win_data->reg_area_data[0].smem_start =
2055                     win_par->area_par[0].phy_addr;
2056                 reg_win_data->area_num = 1;
2057                 fbi->screen_base = phys_to_virt(win_par->area_par[0].phy_addr);
2058         }
2059
2060         if (reg_win_data->area_num == 0)
2061                 return 0;
2062
2063         for (i = 0; i < reg_win_data->area_num; i++) {
2064                 acq_fence_fd = win_par->area_par[i].acq_fence_fd;
2065                 index_buf = reg_win_data->reg_area_data[i].index_buf;
2066                 if ((acq_fence_fd > 0) && (index_buf == 1)) {
2067                         reg_win_data->reg_area_data[i].acq_fence =
2068                             sync_fence_fdget(win_par->area_par[i].acq_fence_fd);
2069                 }
2070         }
2071         fb_data_fmt = rk_fb_data_fmt(win_par->data_format, 0);
2072         reg_win_data->data_format = fb_data_fmt;
2073         pixel_width = rk_fb_pixel_width(fb_data_fmt);
2074
2075         ppixel_a = ((fb_data_fmt == ARGB888) ||
2076                     (fb_data_fmt == ABGR888)) ? 1 : 0;
2077         global_a = (win_par->g_alpha_val == 0) ? 0 : 1;
2078         reg_win_data->alpha_en = ppixel_a | global_a;
2079         reg_win_data->g_alpha_val = win_par->g_alpha_val;
2080         reg_win_data->alpha_mode = win_par->alpha_mode;
2081         if (reg_win_data->reg_area_data[0].smem_start > 0) {
2082                 reg_win_data->z_order = win_par->z_order;
2083                 reg_win_data->win_id = win_par->win_id;
2084         } else {
2085                 reg_win_data->z_order = -1;
2086                 reg_win_data->win_id = -1;
2087         }
2088
2089         rk_fb_get_prmry_screen(&primary_screen);
2090         for (i = 0; i < reg_win_data->area_num; i++) {
2091                 rk_fb_check_config_var(&win_par->area_par[i], &primary_screen);
2092                 /* visiable pos in panel */
2093                 reg_win_data->reg_area_data[i].xpos = win_par->area_par[i].xpos;
2094                 reg_win_data->reg_area_data[i].ypos = win_par->area_par[i].ypos;
2095
2096                 /* realy size in panel */
2097                 reg_win_data->reg_area_data[i].xsize = win_par->area_par[i].xsize;
2098                 reg_win_data->reg_area_data[i].ysize = win_par->area_par[i].ysize;
2099
2100                 /* realy size in panel */
2101                 reg_win_data->reg_area_data[i].xact = win_par->area_par[i].xact;
2102                 reg_win_data->reg_area_data[i].yact = win_par->area_par[i].yact;
2103
2104                 xoffset = win_par->area_par[i].x_offset;        /* buf offset */
2105                 yoffset = win_par->area_par[i].y_offset;
2106                 xvir = win_par->area_par[i].xvir;
2107                 reg_win_data->reg_area_data[i].xvir = xvir;
2108                 yvir = win_par->area_par[i].yvir;
2109                 reg_win_data->reg_area_data[i].yvir = yvir;
2110
2111                 vir_width_bit = pixel_width * xvir;
2112                 /* pixel_width = byte_num*8 */
2113                 stride_32bit_1 = ((vir_width_bit + 31) & (~31)) / 8;
2114                 stride_32bit_2 = ((vir_width_bit * 2 + 31) & (~31)) / 8;
2115
2116                 stride = stride_32bit_1;        /* default rgb */
2117                 fix->line_length = stride;
2118                 reg_win_data->reg_area_data[i].y_vir_stride = stride >> 2;
2119
2120                 /* x y mirror ,jump line
2121                  * reg_win_data->reg_area_data[i].y_offset =
2122                  *              yoffset*stride+xoffset*pixel_width/8;
2123                  */
2124                 if (screen->y_mirror == 1) {
2125                         if (screen->interlace == 1) {
2126                                 reg_win_data->reg_area_data[i].y_offset =
2127                                     yoffset * stride * 2 +
2128                                     ((reg_win_data->reg_area_data[i].yact - 1) * 2 + 1) * stride +
2129                                     xoffset * pixel_width / 8;
2130                         } else {
2131                                 reg_win_data->reg_area_data[i].y_offset =
2132                                     yoffset * stride +
2133                                     (reg_win_data->reg_area_data[i].yact - 1) * stride +
2134                                     xoffset * pixel_width / 8;
2135                         }
2136                 } else {
2137                         if (screen->interlace == 1) {
2138                                 reg_win_data->reg_area_data[i].y_offset =
2139                                     yoffset * stride * 2 +
2140                                     xoffset * pixel_width / 8;
2141                         } else {
2142                                 reg_win_data->reg_area_data[i].y_offset =
2143                                     yoffset * stride +
2144                                     xoffset * pixel_width / 8;
2145                         }
2146                 }
2147         }
2148         switch (fb_data_fmt) {
2149         case YUV422:
2150         case YUV422_A:
2151                 is_pic_yuv = 1;
2152                 stride = stride_32bit_1;
2153                 uv_stride = stride_32bit_1 >> 1;
2154                 uv_x_off = xoffset >> 1;
2155                 uv_y_off = yoffset;
2156                 fix->line_length = stride;
2157                 uv_y_act = win_par->area_par[0].yact >> 1;
2158                 break;
2159         case YUV420:            /* 420sp */
2160         case YUV420_A:
2161                 is_pic_yuv = 1;
2162                 stride = stride_32bit_1;
2163                 uv_stride = stride_32bit_1;
2164                 uv_x_off = xoffset;
2165                 uv_y_off = yoffset >> 1;
2166                 fix->line_length = stride;
2167                 uv_y_act = win_par->area_par[0].yact >> 1;
2168                 break;
2169         case YUV444:
2170         case YUV444_A:
2171                 is_pic_yuv = 1;
2172                 stride = stride_32bit_1;
2173                 uv_stride = stride_32bit_2;
2174                 uv_x_off = xoffset * 2;
2175                 uv_y_off = yoffset;
2176                 fix->line_length = stride << 2;
2177                 uv_y_act = win_par->area_par[0].yact;
2178                 break;
2179         default:
2180                 break;
2181         }
2182         if (is_pic_yuv == 1) {
2183                 reg_win_data->reg_area_data[0].cbr_start =
2184                     reg_win_data->reg_area_data[0].smem_start + xvir * yvir;
2185                 reg_win_data->reg_area_data[0].uv_vir_stride = uv_stride >> 2;
2186                 if (screen->y_mirror == 1) {
2187                         if (screen->interlace == 1) {
2188                                 reg_win_data->reg_area_data[0].c_offset =
2189                                     uv_y_off * uv_stride * 2 +
2190                                     ((uv_y_act - 1) * 2 + 1) * uv_stride +
2191                                     uv_x_off * pixel_width / 8;
2192                         } else {
2193                                 reg_win_data->reg_area_data[0].c_offset =
2194                                     uv_y_off * uv_stride +
2195                                     (uv_y_act - 1) * uv_stride +
2196                                     uv_x_off * pixel_width / 8;
2197                         }
2198                 } else {
2199                         if (screen->interlace == 1) {
2200                                 reg_win_data->reg_area_data[0].c_offset =
2201                                     uv_y_off * uv_stride * 2 +
2202                                     uv_x_off * pixel_width / 8;
2203                         } else {
2204                                 reg_win_data->reg_area_data[0].c_offset =
2205                                     uv_y_off * uv_stride +
2206                                     uv_x_off * pixel_width / 8;
2207                         }
2208                 }
2209         }
2210         return 0;
2211 }
2212
2213 static int rk_fb_set_win_config(struct fb_info *info,
2214                                 struct rk_fb_win_cfg_data *win_data)
2215 {
2216         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
2217         struct rk_fb_reg_data *regs;
2218 #ifdef H_USE_FENCE
2219         struct sync_fence *release_fence[RK_MAX_BUF_NUM];
2220         struct sync_fence *retire_fence;
2221         struct sync_pt *release_sync_pt[RK_MAX_BUF_NUM];
2222         struct sync_pt *retire_sync_pt;
2223         char fence_name[20];
2224 #endif
2225         int ret = 0, i, j = 0;
2226         int list_is_empty = 0;
2227
2228         regs = kzalloc(sizeof(struct rk_fb_reg_data), GFP_KERNEL);
2229         if (!regs) {
2230                 printk(KERN_INFO "could not allocate rk_fb_reg_data\n");
2231                 ret = -ENOMEM;
2232                 return ret;
2233         }
2234
2235 /*
2236         regs->post_cfg.xpos = win_data->post_cfg.xpos;
2237         regs->post_cfg.ypos = win_data->post_cfg.ypos;
2238         regs->post_cfg.xsize = win_data->post_cfg.xsize;
2239         regs->post_cfg.ysize = win_data->post_cfg.xsize;
2240 */
2241
2242         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
2243                 if (win_data->win_par[i].win_id < dev_drv->lcdc_win_num) {
2244                         if (rk_fb_set_win_buffer(info, &win_data->win_par[i],
2245                                                         &regs->reg_win_data[j]))
2246                                 return -ENOMEM;
2247                         if (regs->reg_win_data[j].area_num > 0) {
2248                                 regs->win_num++;
2249                                 regs->buf_num +=
2250                                     regs->reg_win_data[j].area_buf_num;
2251                         }
2252                         j++;
2253                 } else {
2254                         printk(KERN_INFO "error:win_id bigger than lcdc_win_num\n");
2255                         printk(KERN_INFO "i=%d,win_id=%d\n", i,
2256                                win_data->win_par[i].win_id);
2257                 }
2258         }
2259
2260         mutex_lock(&dev_drv->output_lock);
2261         if (!(dev_drv->suspend_flag == 0)) {
2262                 rk_fb_update_reg(dev_drv, regs);
2263                 kfree(regs);
2264                 printk(KERN_INFO "suspend_flag = 1\n");
2265                 goto err;
2266         }
2267
2268         dev_drv->timeline_max++;
2269 #ifdef H_USE_FENCE
2270         for (i = 0; i < RK_MAX_BUF_NUM; i++) {
2271                 if (i < regs->buf_num) {
2272                         sprintf(fence_name, "fence%d", i);
2273                         win_data->rel_fence_fd[i] = get_unused_fd();
2274                         if (win_data->rel_fence_fd[i] < 0) {
2275                                 printk(KERN_INFO "rel_fence_fd=%d\n",
2276                                        win_data->rel_fence_fd[i]);
2277                                 ret = -EFAULT;
2278                                 goto err;
2279                         }
2280                         release_sync_pt[i] =
2281                             sw_sync_pt_create(dev_drv->timeline,
2282                                               dev_drv->timeline_max);
2283                         release_fence[i] =
2284                             sync_fence_create(fence_name, release_sync_pt[i]);
2285                         sync_fence_install(release_fence[i],
2286                                            win_data->rel_fence_fd[i]);
2287                 } else {
2288                         win_data->rel_fence_fd[i] = -1;
2289                 }
2290         }
2291
2292         win_data->ret_fence_fd = get_unused_fd();
2293         if (win_data->ret_fence_fd < 0) {
2294                 printk("ret_fence_fd=%d\n", win_data->ret_fence_fd);
2295                 ret = -EFAULT;
2296                 goto err;
2297         }
2298         retire_sync_pt =
2299             sw_sync_pt_create(dev_drv->timeline, dev_drv->timeline_max);
2300         retire_fence = sync_fence_create("ret_fence", retire_sync_pt);
2301         sync_fence_install(retire_fence, win_data->ret_fence_fd);
2302 #else
2303         for (i = 0; i < RK_MAX_BUF_NUM; i++)
2304                 win_data->rel_fence_fd[i] = -1;
2305
2306         win_data->ret_fence_fd = -1;
2307 #endif
2308         if (dev_drv->wait_fs == 0) {
2309                 mutex_lock(&dev_drv->update_regs_list_lock);
2310                 list_add_tail(&regs->list, &dev_drv->update_regs_list);
2311                 mutex_unlock(&dev_drv->update_regs_list_lock);
2312                 queue_kthread_work(&dev_drv->update_regs_worker,
2313                                    &dev_drv->update_regs_work);
2314         } else {
2315                 mutex_lock(&dev_drv->update_regs_list_lock);
2316                 list_is_empty = list_empty(&dev_drv->update_regs_list) &&
2317                                         list_empty(&saved_list);
2318                 mutex_unlock(&dev_drv->update_regs_list_lock);
2319                 if (!list_is_empty) {
2320                         ret = wait_event_timeout(dev_drv->update_regs_wait,
2321                                 list_empty(&dev_drv->update_regs_list) && list_empty(&saved_list),
2322                                 msecs_to_jiffies(60));
2323                         if (ret > 0)
2324                                 rk_fb_update_reg(dev_drv, regs);
2325                         else
2326                                 printk("%s: wait update_regs_wait timeout\n", __func__);
2327                 } else if (ret == 0) {
2328                         rk_fb_update_reg(dev_drv, regs);
2329                 }
2330                 kfree(regs);
2331         }
2332
2333 err:
2334         mutex_unlock(&dev_drv->output_lock);
2335         return ret;
2336 }
2337
2338 #if 1
2339 static int cfgdone_distlist[10] = { 0 };
2340
2341 static int cfgdone_index;
2342 static int cfgdone_lasttime;
2343
2344 int rk_get_real_fps(int before)
2345 {
2346         struct timespec now;
2347         int dist_curr;
2348         int dist_total = 0;
2349         int dist_count = 0;
2350         int dist_first = 0;
2351
2352         int index = cfgdone_index;
2353         int i = 0, fps = 0;
2354         int total;
2355
2356         if (before > 100)
2357                 before = 100;
2358         if (before < 0)
2359                 before = 0;
2360
2361         getnstimeofday(&now);
2362         dist_curr = (now.tv_sec * 1000000 + now.tv_nsec / 1000) -
2363                         cfgdone_lasttime;
2364         total = dist_curr;
2365         /*
2366            printk("fps: ");
2367          */
2368         for (i = 0; i < 10; i++) {
2369                 if (--index < 0)
2370                         index = 9;
2371                 total += cfgdone_distlist[index];
2372                 if (i == 0)
2373                         dist_first = cfgdone_distlist[index];
2374                 if (total < (before * 1000)) {
2375                         /*
2376                            printk("[%d:%d] ", dist_count, cfgdone_distlist[index]);
2377                          */
2378                         dist_total += cfgdone_distlist[index];
2379                         dist_count++;
2380                 } else {
2381                         break;
2382                 }
2383         }
2384
2385         /*
2386            printk("total %d, count %d, curr %d, ", dist_total, dist_count, dist_curr);
2387          */
2388         dist_curr = (dist_curr > dist_first) ? dist_curr : dist_first;
2389         dist_total += dist_curr;
2390         dist_count++;
2391
2392         if (dist_total > 0)
2393                 fps = (1000000 * dist_count) / dist_total;
2394         else
2395                 fps = 60;
2396
2397         /*
2398            printk("curr2 %d, fps=%d\n", dist_curr, fps);
2399          */
2400         return fps;
2401 }
2402 EXPORT_SYMBOL(rk_get_real_fps);
2403
2404 #endif
2405 #ifdef CONFIG_ROCKCHIP_IOMMU
2406 #define ION_MAX 10
2407 static struct ion_handle *ion_hanle[ION_MAX];
2408 static struct ion_handle *ion_hwc[1];
2409 #endif
2410 static int rk_fb_ioctl(struct fb_info *info, unsigned int cmd,
2411                        unsigned long arg)
2412 {
2413         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2414         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
2415         struct fb_fix_screeninfo *fix = &info->fix;
2416         int fb_id = 0, extend_win_id = 0;
2417         struct fb_info *extend_info = NULL;
2418         struct rk_lcdc_driver *extend_dev_drv = NULL;
2419         struct rk_lcdc_win *extend_win = NULL;
2420         struct rk_lcdc_win *win;
2421         int enable;     /* enable fb:1 enable;0 disable */
2422         int ovl;        /* overlay:0 win1 on the top of win0;1,win0 on the top of win1 */
2423         int num_buf;    /* buffer_number */
2424         int ret;
2425         struct rk_fb_win_cfg_data win_data;
2426         unsigned int dsp_addr[4];
2427         int list_stat;
2428
2429         int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2430
2431         void __user *argp = (void __user *)arg;
2432         win = dev_drv->win[win_id];
2433         if (rk_fb->disp_mode == DUAL) {
2434                 fb_id = get_extend_fb_id(info);
2435                 extend_info = rk_fb->fb[(rk_fb->num_fb >> 1) + fb_id];
2436                 extend_dev_drv = (struct rk_lcdc_driver *)extend_info->par;
2437                 extend_win_id = dev_drv->ops->fb_get_win_id(extend_dev_drv,
2438                                                             extend_info->fix.id);
2439                 extend_win = extend_dev_drv->win[extend_win_id];
2440         }
2441
2442         switch (cmd) {
2443         case RK_FBIOSET_HWC_ADDR:
2444         {
2445                 u32 hwc_phy[1];
2446                 if (copy_from_user(hwc_phy, argp, 4))
2447                         return -EFAULT;
2448 #ifdef CONFIG_ROCKCHIP_IOMMU
2449                 if (!dev_drv->iommu_enabled) {
2450 #endif
2451                         fix->smem_start = hwc_phy[0];
2452 #ifdef CONFIG_ROCKCHIP_IOMMU
2453                 } else {
2454                         int usr_fd;
2455                         struct ion_handle *hdl;
2456                         ion_phys_addr_t phy_addr;
2457                         size_t len;
2458
2459                         usr_fd = hwc_phy[0];
2460                         if (!usr_fd) {
2461                                 fix->smem_start = 0;
2462                                 fix->mmio_start = 0;
2463                                 break;
2464                         }
2465
2466                         if (ion_hwc[0] != 0) {
2467                                 ion_free(rk_fb->ion_client, ion_hwc[0]);
2468                                 ion_hwc[0] = 0;
2469                         }
2470
2471                         hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2472                         if (IS_ERR(hdl)) {
2473                                 dev_err(info->dev, "failed to get hwc ion handle:%ld\n",
2474                                         PTR_ERR(hdl));
2475                                 return -EFAULT;
2476                         }
2477
2478                         ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2479                                                 (unsigned long *)&phy_addr,
2480                                                 (unsigned long *)&len);
2481                         if (ret < 0) {
2482                                 dev_err(info->dev, "ion map to get hwc phy addr failed");
2483                                 ion_free(rk_fb->ion_client, hdl);
2484                                 return -ENOMEM;
2485                         }
2486                         fix->smem_start = phy_addr;
2487                         ion_hwc[0] = hdl;
2488                 }
2489 #endif
2490                 break;
2491         }
2492         case RK_FBIOSET_YUV_ADDR:
2493                 {
2494                         u32 yuv_phy[2];
2495
2496                         if (copy_from_user(yuv_phy, argp, 8))
2497                                 return -EFAULT;
2498                         #ifdef CONFIG_ROCKCHIP_IOMMU
2499                         if (!dev_drv->iommu_enabled || !strcmp(info->fix.id, "fb0")) {
2500                         #endif
2501                                 fix->smem_start = yuv_phy[0];
2502                                 fix->mmio_start = yuv_phy[1];
2503                         #ifdef CONFIG_ROCKCHIP_IOMMU
2504                         } else {
2505                                 int usr_fd, offset, tmp;
2506                                 struct ion_handle *hdl;
2507                                 ion_phys_addr_t phy_addr;
2508                                 size_t len;
2509
2510                                 usr_fd = yuv_phy[0];
2511                                 offset = yuv_phy[1] - yuv_phy[0];
2512
2513                                 if (!usr_fd) {
2514                                         fix->smem_start = 0;
2515                                         fix->mmio_start = 0;
2516                                         break;
2517                                 }
2518
2519                                 if (ion_hanle[ION_MAX - 1] != 0) {
2520                                         /*ion_unmap_kernel(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);*/
2521                                         /*ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client, ion_hanle[ION_MAX - 1]);*/
2522                                         ion_free(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);
2523                                         ion_hanle[ION_MAX - 1] = 0;
2524                                 }
2525
2526                                 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2527                                 if (IS_ERR(hdl)) {
2528                                         dev_err(info->dev, "failed to get ion handle:%ld\n",
2529                                                 PTR_ERR(hdl));
2530                                         return -EFAULT;
2531                                 }
2532
2533                                 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2534                                                         (unsigned long *)&phy_addr,
2535                                                         (unsigned long *)&len);
2536                                 if (ret < 0) {
2537                                         dev_err(info->dev, "ion map to get phy addr failed");
2538                                         ion_free(rk_fb->ion_client, hdl);
2539                                         return -ENOMEM;
2540                                 }
2541                                 fix->smem_start = phy_addr;
2542                                 fix->mmio_start = phy_addr + offset;
2543                                 fix->smem_len = len;
2544                                 /*info->screen_base = ion_map_kernel(rk_fb->ion_client, hdl);*/
2545
2546                                 ion_hanle[0] = hdl;
2547                                 for (tmp = ION_MAX - 1; tmp > 0; tmp--)
2548                                         ion_hanle[tmp] = ion_hanle[tmp - 1];
2549                                 ion_hanle[0] = 0;
2550                         }
2551                         #endif
2552                         break;
2553                 }
2554         case RK_FBIOSET_ENABLE:
2555                 if (copy_from_user(&enable, argp, sizeof(enable)))
2556                         return -EFAULT;
2557                 dev_drv->ops->open(dev_drv, win_id, enable);
2558                 break;
2559         case RK_FBIOGET_ENABLE:
2560                 enable = dev_drv->ops->get_win_state(dev_drv, win_id);
2561                 if (copy_to_user(argp, &enable, sizeof(enable)))
2562                         return -EFAULT;
2563                 break;
2564         case RK_FBIOSET_OVERLAY_STA:
2565                 if (copy_from_user(&ovl, argp, sizeof(ovl)))
2566                         return -EFAULT;
2567                 dev_drv->ops->ovl_mgr(dev_drv, ovl, 1);
2568                 break;
2569         case RK_FBIOGET_OVERLAY_STA:
2570                 ovl = dev_drv->ops->ovl_mgr(dev_drv, 0, 0);
2571                 if (copy_to_user(argp, &ovl, sizeof(ovl)))
2572                         return -EFAULT;
2573                 break;
2574         case RK_FBIOPUT_NUM_BUFFERS:
2575                 if (copy_from_user(&num_buf, argp, sizeof(num_buf)))
2576                         return -EFAULT;
2577                 dev_drv->num_buf = num_buf;
2578                 break;
2579         case RK_FBIOSET_VSYNC_ENABLE:
2580                 if (copy_from_user(&enable, argp, sizeof(enable)))
2581                         return -EFAULT;
2582                 dev_drv->vsync_info.active = enable;
2583                 break;
2584
2585         case RK_FBIOGET_DSP_ADDR:
2586                 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
2587                 if (copy_to_user(argp, &dsp_addr, sizeof(dsp_addr)))
2588                         return -EFAULT;
2589                 break;
2590         case RK_FBIOGET_LIST_STA:
2591                 list_stat = rk_fb_get_list_stat(dev_drv);
2592                 if (copy_to_user(argp, &list_stat, sizeof(list_stat)))
2593                         return -EFAULT;
2594
2595                 break;
2596         case RK_FBIOGET_IOMMU_STA:
2597                 if (copy_to_user(argp, &dev_drv->iommu_enabled,
2598                                  sizeof(dev_drv->iommu_enabled)))
2599                         return -EFAULT;
2600                 break;
2601 #if defined(CONFIG_ION_ROCKCHIP)
2602         case RK_FBIOSET_DMABUF_FD:
2603                 {
2604                         int usr_fd;
2605                         struct ion_handle *hdl;
2606                         ion_phys_addr_t phy_addr;
2607                         size_t len;
2608                         if (copy_from_user(&usr_fd, argp, sizeof(usr_fd)))
2609                                 return -EFAULT;
2610                         hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2611                         ion_phys(rk_fb->ion_client, hdl, &phy_addr, &len);
2612                         fix->smem_start = phy_addr;
2613                         break;
2614                 }
2615         case RK_FBIOGET_DMABUF_FD:
2616                 {
2617                         int fd =
2618                             ion_share_dma_buf_fd(rk_fb->ion_client,
2619                                                  win->area[0].ion_hdl);
2620                         if (fd < 0) {
2621                                 dev_err(info->dev,
2622                                         "ion_share_dma_buf_fd failed\n");
2623                                 return fd;
2624                         }
2625                         if (copy_to_user(argp, &fd, sizeof(fd)))
2626                                 return -EFAULT;
2627                         break;
2628                 }
2629 #endif
2630         case RK_FBIOSET_CLEAR_FB:
2631                 memset(info->screen_base, 0, info->fix.smem_len);
2632                 break;
2633         case RK_FBIOSET_CONFIG_DONE:
2634                 {
2635                         int curr = 0;
2636                         struct timespec now;
2637
2638                         getnstimeofday(&now);
2639                         curr = now.tv_sec * 1000000 + now.tv_nsec / 1000;
2640                         cfgdone_distlist[cfgdone_index++] =
2641                             curr - cfgdone_lasttime;
2642                         /*
2643                            printk("%d ", curr - cfgdone_lasttime);
2644                          */
2645                         cfgdone_lasttime = curr;
2646                         if (cfgdone_index >= 10)
2647                                 cfgdone_index = 0;
2648                 }
2649                 if (copy_from_user(&win_data,
2650                                    (struct rk_fb_win_cfg_data __user *)argp,
2651                                    sizeof(win_data))) {
2652                         ret = -EFAULT;
2653                         break;
2654                 };
2655
2656                 dev_drv->wait_fs = win_data.wait_fs;
2657                 rk_fb_set_win_config(info, &win_data);
2658
2659                 if (copy_to_user((struct rk_fb_win_cfg_data __user *)arg,
2660                                  &win_data, sizeof(win_data))) {
2661                         ret = -EFAULT;
2662                         break;
2663                 }
2664                 memset(&win_data, 0, sizeof(struct rk_fb_win_cfg_data));
2665                 break;
2666         default:
2667                 dev_drv->ops->ioctl(dev_drv, cmd, arg, win_id);
2668                 break;
2669         }
2670
2671         return 0;
2672 }
2673
2674 static int rk_fb_blank(int blank_mode, struct fb_info *info)
2675 {
2676         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
2677         struct fb_fix_screeninfo *fix = &info->fix;
2678         int win_id;
2679 #if defined(CONFIG_RK_HDMI)
2680         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2681 #endif
2682
2683         win_id = dev_drv->ops->fb_get_win_id(dev_drv, fix->id);
2684         if (win_id < 0)
2685                 return -ENODEV;
2686 #if defined(CONFIG_RK_HDMI)
2687         if ((rk_fb->disp_mode == ONE_DUAL) &&
2688             (hdmi_get_hotplug() == HDMI_HPD_ACTIVED)) {
2689                 printk(KERN_INFO "hdmi is connect , not blank lcdc\n");
2690         } else
2691 #endif
2692         {
2693                 dev_drv->ops->blank(dev_drv, win_id, blank_mode);
2694         }
2695         return 0;
2696 }
2697
2698 static int rk_fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
2699 {
2700         if ((0 == var->xres_virtual) || (0 == var->yres_virtual) ||
2701             (0 == var->xres) || (0 == var->yres) || (var->xres < 16) ||
2702             ((16 != var->bits_per_pixel) &&
2703             (32 != var->bits_per_pixel) &&
2704             (24 != var->bits_per_pixel))) {
2705                 dev_err(info->dev, "%s check var fail 1:\n"
2706                         "xres_vir:%d>>yres_vir:%d\n"
2707                         "xres:%d>>yres:%d\n"
2708                         "bits_per_pixel:%d\n",
2709                         info->fix.id,
2710                         var->xres_virtual,
2711                         var->yres_virtual,
2712                         var->xres, var->yres, var->bits_per_pixel);
2713                 return -EINVAL;
2714         }
2715
2716         if (((var->xoffset + var->xres) > var->xres_virtual) ||
2717             ((var->yoffset + var->yres) > (var->yres_virtual))) {
2718                 dev_err(info->dev, "%s check_var fail 2:\n"
2719                         "xoffset:%d>>xres:%d>>xres_vir:%d\n"
2720                         "yoffset:%d>>yres:%d>>yres_vir:%d\n",
2721                         info->fix.id,
2722                         var->xoffset,
2723                         var->xres,
2724                         var->xres_virtual,
2725                         var->yoffset, var->yres, var->yres_virtual);
2726                 return -EINVAL;
2727         }
2728
2729         return 0;
2730 }
2731
2732 static ssize_t rk_fb_read(struct fb_info *info, char __user *buf,
2733                           size_t count, loff_t *ppos)
2734 {
2735         unsigned long p = *ppos;
2736         u8 *buffer, *dst;
2737         u8 __iomem *src;
2738         int c, cnt = 0, err = 0;
2739         unsigned long total_size;
2740         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
2741         struct rk_lcdc_win *win = NULL;
2742         int win_id = 0;
2743
2744         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2745         if (win_id < 0)
2746                 return -ENODEV;
2747         else
2748                 win = dev_drv->win[win_id];
2749
2750         /* only read the current frame buffer */
2751         if (win->format == RGB565) {
2752                 total_size = win->area[0].y_vir_stride * win->area[0].yact << 1;
2753         } else if (win->format == YUV420) {
2754                 total_size =
2755                     (win->area[0].y_vir_stride * win->area[0].yact * 6);
2756         } else {
2757                 total_size = win->area[0].y_vir_stride * win->area[0].yact << 2;
2758         }
2759         if (p >= total_size)
2760                 return 0;
2761
2762         if (count >= total_size)
2763                 count = total_size;
2764
2765         if (count + p > total_size)
2766                 count = total_size - p;
2767
2768         buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
2769         if (!buffer)
2770                 return -ENOMEM;
2771
2772         src = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
2773
2774         while (count) {
2775                 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
2776                 dst = buffer;
2777                 fb_memcpy_fromfb(dst, src, c);
2778                 dst += c;
2779                 src += c;
2780
2781                 if (copy_to_user(buf, buffer, c)) {
2782                         err = -EFAULT;
2783                         break;
2784                 }
2785                 *ppos += c;
2786                 buf += c;
2787                 cnt += c;
2788                 count -= c;
2789         }
2790
2791         kfree(buffer);
2792
2793         return (err) ? err : cnt;
2794 }
2795
2796 static ssize_t rk_fb_write(struct fb_info *info, const char __user *buf,
2797                            size_t count, loff_t *ppos)
2798 {
2799         unsigned long p = *ppos;
2800         u8 *buffer, *src;
2801         u8 __iomem *dst;
2802         int c, cnt = 0, err = 0;
2803         unsigned long total_size;
2804         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
2805         struct rk_lcdc_win *win = NULL;
2806         int win_id = 0;
2807
2808         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2809         if (win_id < 0)
2810                 return -ENODEV;
2811         else
2812                 win = dev_drv->win[win_id];
2813
2814         /* write the current frame buffer */
2815         if (win->format == RGB565)
2816                 total_size = win->area[0].xact * win->area[0].yact << 1;
2817         else
2818                 total_size = win->area[0].xact * win->area[0].yact << 2;
2819
2820         if (p > total_size)
2821                 return -EFBIG;
2822
2823         if (count > total_size) {
2824                 err = -EFBIG;
2825                 count = total_size;
2826         }
2827
2828         if (count + p > total_size) {
2829                 if (!err)
2830                         err = -ENOSPC;
2831
2832                 count = total_size - p;
2833         }
2834
2835         buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
2836         if (!buffer)
2837                 return -ENOMEM;
2838
2839         dst = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
2840
2841         while (count) {
2842                 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
2843                 src = buffer;
2844
2845                 if (copy_from_user(src, buf, c)) {
2846                         err = -EFAULT;
2847                         break;
2848                 }
2849
2850                 fb_memcpy_tofb(dst, src, c);
2851                 dst += c;
2852                 src += c;
2853                 *ppos += c;
2854                 buf += c;
2855                 cnt += c;
2856                 count -= c;
2857         }
2858
2859         kfree(buffer);
2860
2861         return (cnt) ? cnt : err;
2862 }
2863
2864 /*
2865  * function: update extend info acorrding to primary info that only used for dual display mode
2866  * @ext_info: the fb_info of extend screen
2867  * @info: the fb_info of primary screen
2868  * @update_buffer: whether to update extend info buffer, 0: no;1: yes
2869  */
2870 static int rk_fb_update_ext_info(struct fb_info *ext_info,
2871                                         struct fb_info *info, int update_buffer)
2872 {
2873         struct rk_fb *rk_fb =  platform_get_drvdata(fb_pdev);
2874         struct rk_lcdc_driver *dev_drv = NULL;
2875         struct rk_lcdc_driver *ext_dev_drv = NULL;
2876         struct rk_lcdc_win *win = NULL;
2877         struct rk_lcdc_win *ext_win = NULL;
2878         int win_id = 0, ext_win_id = 0;
2879
2880         if (rk_fb->disp_mode != DUAL || info == ext_info)
2881                 return 0;
2882         if (unlikely(!info) || unlikely(!ext_info))
2883                 return -1;
2884
2885         dev_drv = (struct rk_lcdc_driver *)info->par;
2886         ext_dev_drv = (struct rk_lcdc_driver *)ext_info->par;
2887         if (unlikely(!dev_drv) || unlikely(!ext_dev_drv))
2888                 return -1;
2889
2890         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2891         win = dev_drv->win[win_id];
2892         ext_win_id = ext_dev_drv->ops->fb_get_win_id(ext_dev_drv,
2893                                                      ext_info->fix.id);
2894         ext_win = ext_dev_drv->win[ext_win_id];
2895
2896         rk_fb_update_ext_win(ext_dev_drv, dev_drv, ext_win, win);
2897         if (update_buffer) {
2898                 rk_fb_set_ext_win_buffer(ext_win, win, ext_dev_drv->rotate_mode,
2899                                          ext_dev_drv->iommu_enabled);
2900
2901                 /* update extend info display address */
2902                 ext_info->fix.smem_start = ext_win->area[0].smem_start;
2903                 ext_info->fix.mmio_start = ext_win->area[0].cbr_start;
2904
2905                 if (ext_dev_drv->rotate_mode > X_Y_MIRROR)
2906                         rk_fb_rotate(ext_info, info);
2907         }
2908
2909         /* update extend info */
2910         ext_info->var.xres = ext_win->area[0].xact;
2911         ext_info->var.yres = ext_win->area[0].yact;
2912         ext_info->var.xres_virtual = ext_win->area[0].xvir;
2913         ext_info->var.yres_virtual = ext_win->area[0].yvir;
2914
2915         /* config same data format */
2916         ext_info->var.nonstd &= 0xffffff00;
2917         ext_info->var.nonstd |= (info->var.nonstd & 0xff);
2918
2919         ext_info->var.nonstd &= 0xff;
2920         ext_info->var.nonstd |=
2921                 (ext_win->area[0].xpos << 8) + (ext_win->area[0].ypos << 20);
2922
2923         ext_info->var.grayscale &= 0xff;
2924         ext_info->var.grayscale |=
2925                 (ext_win->area[0].xsize << 8) + (ext_win->area[0].ysize << 20);
2926
2927         return 0;
2928 }
2929
2930 static int rk_fb_set_par(struct fb_info *info)
2931 {
2932         struct fb_var_screeninfo *var = &info->var;
2933         struct fb_fix_screeninfo *fix = &info->fix;
2934         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
2935         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2936         int fb_id, extend_win_id = 0;
2937         struct fb_info *extend_info = NULL;
2938         struct rk_lcdc_driver *extend_dev_drv = NULL;
2939         struct rk_lcdc_win *extend_win = NULL;
2940         struct rk_lcdc_win *win = NULL;
2941         struct rk_screen *screen = dev_drv->cur_screen;
2942         int win_id = 0;
2943         u32 cblen = 0, crlen = 0;
2944         u16 xsize = 0, ysize = 0;       /* winx display window height/width --->LCDC_WINx_DSP_INFO */
2945         u32 xoffset = var->xoffset;     /* offset from virtual to visible */
2946         u32 yoffset = var->yoffset;
2947         u16 xpos = (var->nonstd >> 8) & 0xfff;  /*visiable pos in panel */
2948         u16 ypos = (var->nonstd >> 20) & 0xfff;
2949         u32 xvir = var->xres_virtual;
2950         u32 yvir = var->yres_virtual;
2951         u8 data_format = var->nonstd & 0xff;
2952         u8 fb_data_fmt;
2953         u8 pixel_width;
2954         u32 vir_width_bit;
2955         u32 stride, uv_stride;
2956         u32 stride_32bit_1;
2957         u32 stride_32bit_2;
2958         u16 uv_x_off, uv_y_off, uv_y_act;
2959         u8 is_pic_yuv = 0;
2960
2961         var->pixclock = dev_drv->pixclock;
2962         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2963         if (win_id < 0)
2964                 return -ENODEV;
2965         else
2966                 win = dev_drv->win[win_id];
2967
2968         if (rk_fb->disp_mode == DUAL) {
2969                 fb_id = get_extend_fb_id(info);
2970                 extend_info = rk_fb->fb[(rk_fb->num_fb >> 1) + fb_id];
2971                 extend_dev_drv = (struct rk_lcdc_driver *)extend_info->par;
2972                 extend_win_id = dev_drv->ops->fb_get_win_id(extend_dev_drv,
2973                                                             extend_info->fix.id);
2974                 extend_win = extend_dev_drv->win[extend_win_id];
2975         }
2976
2977         /* if the application has specific the horizontal and vertical display size */
2978         if (var->grayscale >> 8) {
2979                 xsize = (var->grayscale >> 8) & 0xfff;
2980                 ysize = (var->grayscale >> 20) & 0xfff;
2981                 if (xsize > screen->mode.xres)
2982                         xsize = screen->mode.xres;
2983                 if (ysize > screen->mode.yres)
2984                         ysize = screen->mode.yres;
2985         } else {                /*ohterwise  full  screen display */
2986                 xsize = screen->mode.xres;
2987                 ysize = screen->mode.yres;
2988         }
2989
2990         fb_data_fmt = rk_fb_data_fmt(data_format, var->bits_per_pixel);
2991         pixel_width = rk_fb_pixel_width(fb_data_fmt);
2992         vir_width_bit = pixel_width * xvir;
2993         /* pixel_width = byte_num * 8 */
2994         stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
2995         stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
2996
2997         switch (fb_data_fmt) {
2998         case YUV422:
2999         case YUV422_A:
3000                 is_pic_yuv = 1;
3001                 stride = stride_32bit_1;
3002                 uv_stride = stride_32bit_1 >> 1;
3003                 uv_x_off = xoffset >> 1;
3004                 uv_y_off = yoffset;
3005                 fix->line_length = stride;
3006                 cblen = crlen = (xvir * yvir) >> 1;
3007                 uv_y_act = win->area[0].yact >> 1;
3008                 break;
3009         case YUV420:            /* 420sp */
3010         case YUV420_A:
3011                 is_pic_yuv = 1;
3012                 stride = stride_32bit_1;
3013                 uv_stride = stride_32bit_1;
3014                 uv_x_off = xoffset;
3015                 uv_y_off = yoffset >> 1;
3016                 fix->line_length = stride;
3017                 cblen = crlen = (xvir * yvir) >> 2;
3018                 uv_y_act = win->area[0].yact >> 1;
3019                 break;
3020         case YUV444:
3021         case YUV444_A:
3022                 is_pic_yuv = 1;
3023                 stride = stride_32bit_1;
3024                 uv_stride = stride_32bit_2;
3025                 uv_x_off = xoffset * 2;
3026                 uv_y_off = yoffset;
3027                 fix->line_length = stride << 2;
3028                 cblen = crlen = (xvir * yvir);
3029                 uv_y_act = win->area[0].yact;
3030                 break;
3031         default:
3032                 stride = stride_32bit_1;        /* default rgb */
3033                 fix->line_length = stride;
3034                 break;
3035         }
3036
3037         /* x y mirror ,jump line */
3038         if (screen->y_mirror == 1) {
3039                 if (screen->interlace == 1) {
3040                         win->area[0].y_offset = yoffset * stride * 2 +
3041                             ((win->area[0].yact - 1) * 2 + 1) * stride +
3042                             xoffset * pixel_width / 8;
3043                 } else {
3044                         win->area[0].y_offset = yoffset * stride +
3045                             (win->area[0].yact - 1) * stride +
3046                             xoffset * pixel_width / 8;
3047                 }
3048         } else {
3049                 if (screen->interlace == 1) {
3050                         win->area[0].y_offset =
3051                             yoffset * stride * 2 + xoffset * pixel_width / 8;
3052                 } else {
3053                         win->area[0].y_offset =
3054                             yoffset * stride + xoffset * pixel_width / 8;
3055                 }
3056         }
3057         if (is_pic_yuv == 1) {
3058                 if (screen->y_mirror == 1) {
3059                         if (screen->interlace == 1) {
3060                                 win->area[0].c_offset =
3061                                     uv_y_off * uv_stride * 2 +
3062                                     ((uv_y_act - 1) * 2 + 1) * uv_stride +
3063                                     uv_x_off * pixel_width / 8;
3064                         } else {
3065                                 win->area[0].c_offset = uv_y_off * uv_stride +
3066                                     (uv_y_act - 1) * uv_stride +
3067                                     uv_x_off * pixel_width / 8;
3068                         }
3069                 } else {
3070                         if (screen->interlace == 1) {
3071                                 win->area[0].c_offset =
3072                                     uv_y_off * uv_stride * 2 +
3073                                     uv_x_off * pixel_width / 8;
3074                         } else {
3075                                 win->area[0].c_offset =
3076                                     uv_y_off * uv_stride +
3077                                     uv_x_off * pixel_width / 8;
3078                         }
3079                 }
3080         }
3081
3082         win->format = fb_data_fmt;
3083         win->area[0].y_vir_stride = stride >> 2;
3084         win->area[0].uv_vir_stride = uv_stride >> 2;
3085         win->area[0].xpos = xpos;
3086         win->area[0].ypos = ypos;
3087         win->area[0].xsize = xsize;
3088         win->area[0].ysize = ysize;
3089         win->area[0].xact = var->xres;  /* winx active window height,is a wint of vir */
3090         win->area[0].yact = var->yres;
3091         win->area[0].xvir = var->xres_virtual;  /* virtual resolution  stride --->LCDC_WINx_VIR */
3092         win->area[0].yvir = var->yres_virtual;
3093
3094         win->area_num = 1;
3095         win->alpha_mode = 4;    /* AB_SRC_OVER; */
3096         win->alpha_en = ((win->format == ARGB888) ||
3097                          (win->format == ABGR888)) ? 1 : 0;
3098         win->g_alpha_val = 0;
3099
3100         if (rk_fb->disp_mode == DUAL) {
3101                 if (extend_win->state && hdmi_switch_complete) {
3102                         if (info != extend_info) {
3103                                 rk_fb_update_ext_win(extend_dev_drv, dev_drv,
3104                                                      extend_win, win);
3105                                 extend_dev_drv->ops->set_par(extend_dev_drv,
3106                                                              extend_win_id);
3107                         }
3108                 }
3109         }
3110         dev_drv->ops->set_par(dev_drv, win_id);
3111
3112         return 0;
3113 }
3114
3115 static inline unsigned int chan_to_field(unsigned int chan,
3116                                          struct fb_bitfield *bf)
3117 {
3118         chan &= 0xffff;
3119         chan >>= 16 - bf->length;
3120         return chan << bf->offset;
3121 }
3122
3123 static int fb_setcolreg(unsigned regno,
3124                         unsigned red, unsigned green, unsigned blue,
3125                         unsigned transp, struct fb_info *info)
3126 {
3127         unsigned int val;
3128
3129         switch (info->fix.visual) {
3130         case FB_VISUAL_TRUECOLOR:
3131                 /* true-colour, use pseudo-palette */
3132                 if (regno < 16) {
3133                         u32 *pal = info->pseudo_palette;
3134                         val = chan_to_field(red, &info->var.red);
3135                         val |= chan_to_field(green, &info->var.green);
3136                         val |= chan_to_field(blue, &info->var.blue);
3137                         pal[regno] = val;
3138                 }
3139                 break;
3140         default:
3141                 return -1;      /* unknown type */
3142         }
3143
3144         return 0;
3145 }
3146
3147 static int rk_fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
3148 {
3149         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
3150         int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3151         struct rk_lcdc_win *win;
3152         win = dev_drv->win[win_id];
3153
3154         vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
3155
3156         return dma_buf_mmap(win->area[0].dma_buf, vma, 0);
3157 }
3158
3159 static struct fb_ops fb_ops = {
3160         .owner = THIS_MODULE,
3161         .fb_open = rk_fb_open,
3162         .fb_release = rk_fb_close,
3163         .fb_check_var = rk_fb_check_var,
3164         .fb_set_par = rk_fb_set_par,
3165         .fb_blank = rk_fb_blank,
3166         .fb_ioctl = rk_fb_ioctl,
3167         .fb_pan_display = rk_fb_pan_display,
3168         .fb_read = rk_fb_read,
3169         .fb_write = rk_fb_write,
3170         .fb_setcolreg = fb_setcolreg,
3171         .fb_fillrect = cfb_fillrect,
3172         .fb_copyarea = cfb_copyarea,
3173         .fb_imageblit = cfb_imageblit,
3174 };
3175
3176 static struct fb_var_screeninfo def_var = {
3177 #if defined(CONFIG_LOGO_LINUX_BMP)
3178         .red = {16, 8, 0},
3179         .green = {8, 8, 0},
3180         .blue = {0, 8, 0},
3181         .transp = {0, 0, 0},
3182         .nonstd = HAL_PIXEL_FORMAT_BGRA_8888,
3183 #else
3184         .red = {11, 5, 0},
3185         .green = {5, 6, 0},
3186         .blue = {0, 5, 0},
3187         .transp = {0, 0, 0},
3188         .nonstd = HAL_PIXEL_FORMAT_RGB_565,     /* (ypos<<20+xpos<<8+format) format */
3189 #endif
3190         .grayscale = 0,         /* (ysize<<20+xsize<<8) */
3191         .activate = FB_ACTIVATE_NOW,
3192         .accel_flags = 0,
3193         .vmode = FB_VMODE_NONINTERLACED,
3194 };
3195
3196 static struct fb_fix_screeninfo def_fix = {
3197         .type = FB_TYPE_PACKED_PIXELS,
3198         .type_aux = 0,
3199         .xpanstep = 1,
3200         .ypanstep = 1,
3201         .ywrapstep = 0,
3202         .accel = FB_ACCEL_NONE,
3203         .visual = FB_VISUAL_TRUECOLOR,
3204
3205 };
3206
3207 static int rk_fb_wait_for_vsync_thread(void *data)
3208 {
3209         struct rk_lcdc_driver *dev_drv = data;
3210         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3211         struct fb_info *fbi = rk_fb->fb[0];
3212
3213         while (!kthread_should_stop()) {
3214                 ktime_t timestamp = dev_drv->vsync_info.timestamp;
3215                 int ret = wait_event_interruptible(dev_drv->vsync_info.wait,
3216                                 !ktime_equal(timestamp, dev_drv->vsync_info.timestamp) &&
3217                                 (dev_drv->vsync_info.active || dev_drv->vsync_info.irq_stop));
3218
3219                 if (!ret)
3220                         sysfs_notify(&fbi->dev->kobj, NULL, "vsync");
3221         }
3222
3223         return 0;
3224 }
3225
3226 static ssize_t rk_fb_vsync_show(struct device *dev,
3227                                 struct device_attribute *attr, char *buf)
3228 {
3229         struct fb_info *fbi = dev_get_drvdata(dev);
3230         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)fbi->par;
3231         return scnprintf(buf, PAGE_SIZE, "%llu\n",
3232                          ktime_to_ns(dev_drv->vsync_info.timestamp));
3233 }
3234
3235 static DEVICE_ATTR(vsync, S_IRUGO, rk_fb_vsync_show, NULL);
3236
3237 /*
3238  * this two function is for other module that in the kernel which
3239  * need show image directly through fb
3240  * fb_id:we have 4 fb here,default we use fb0 for ui display
3241  */
3242 struct fb_info *rk_get_fb(int fb_id)
3243 {
3244         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3245         struct fb_info *fb = inf->fb[fb_id];
3246         return fb;
3247 }
3248 EXPORT_SYMBOL(rk_get_fb);
3249
3250 void rk_direct_fb_show(struct fb_info *fbi)
3251 {
3252         rk_fb_set_par(fbi);
3253         rk_fb_pan_display(&fbi->var, fbi);
3254 }
3255 EXPORT_SYMBOL(rk_direct_fb_show);
3256
3257 int rk_fb_dpi_open(bool open)
3258 {
3259         struct rk_lcdc_driver *dev_drv = NULL;
3260         dev_drv = rk_get_prmry_lcdc_drv();
3261
3262         if (dev_drv->ops->dpi_open)
3263                 dev_drv->ops->dpi_open(dev_drv, open);
3264         return 0;
3265 }
3266
3267 int rk_fb_dpi_win_sel(int win_id)
3268 {
3269         struct rk_lcdc_driver *dev_drv = NULL;
3270         dev_drv = rk_get_prmry_lcdc_drv();
3271
3272         if (dev_drv->ops->dpi_win_sel)
3273                 dev_drv->ops->dpi_win_sel(dev_drv, win_id);
3274         return 0;
3275 }
3276
3277 int rk_fb_dpi_status(void)
3278 {
3279         int ret = 0;
3280         struct rk_lcdc_driver *dev_drv = NULL;
3281
3282         dev_drv = rk_get_prmry_lcdc_drv();
3283         if (dev_drv->ops->dpi_status)
3284                 ret = dev_drv->ops->dpi_status(dev_drv);
3285
3286         return ret;
3287 }
3288
3289 /*
3290  * function: this function will be called by display device, enable/disable lcdc
3291  * @screen: screen timing to be set to lcdc
3292  * @enable: 0 disable lcdc; 1 enable change lcdc timing; 2 just enable dclk
3293  * @lcdc_id: the lcdc id the display device attached ,0 or 1
3294  */
3295 int rk_fb_switch_screen(struct rk_screen *screen, int enable, int lcdc_id)
3296 {
3297         struct rk_fb *rk_fb =  platform_get_drvdata(fb_pdev);
3298         struct fb_info *info = NULL;
3299         struct fb_info *pmy_info = NULL;
3300         struct rk_lcdc_driver *dev_drv = NULL;
3301         struct rk_lcdc_driver *pmy_dev_drv = rk_get_prmry_lcdc_drv();
3302         char name[6] = {0};
3303         int i, win_id, load_screen = 0;
3304
3305         if (unlikely(!rk_fb) || unlikely(!pmy_dev_drv) || unlikely(!screen))
3306                 return -ENODEV;
3307
3308         /* get lcdc driver */
3309         sprintf(name, "lcdc%d", lcdc_id);
3310         if (rk_fb->disp_mode != DUAL)
3311                 dev_drv = rk_fb->lcdc_dev_drv[0];
3312         else
3313                 dev_drv = rk_get_lcdc_drv(name);
3314
3315         if (dev_drv == NULL) {
3316                 printk(KERN_ERR "%s driver not found!", name);
3317                 return -ENODEV;
3318         }
3319         if (screen->type == SCREEN_HDMI)
3320                 printk("hdmi %s lcdc%d\n", enable ? "connect to" : "remove from",
3321                         dev_drv->id);
3322         else if (screen->type == SCREEN_TVOUT)
3323                 printk("cvbs %s lcdc%d\n", enable ? "connect to" : "remove from",
3324                         dev_drv->id);
3325
3326         if (enable == 2 /*&& dev_drv->enable*/)
3327                 return 0;
3328
3329         if (rk_fb->disp_mode == ONE_DUAL) {
3330                 if (dev_drv->trsm_ops && dev_drv->trsm_ops->disable)
3331                         dev_drv->trsm_ops->disable();
3332                 if (dev_drv->ops->set_screen_scaler)
3333                         dev_drv->ops->set_screen_scaler(dev_drv, dev_drv->screen0, 0);
3334         }
3335
3336         if (!enable) {
3337                 /* if screen type is different, we do not disable lcdc. */
3338                 if (dev_drv->cur_screen->type != screen->type)
3339                         return 0;
3340
3341                 /* if used one lcdc to dual disp, no need to close win */
3342                 if (rk_fb->disp_mode == ONE_DUAL) {
3343                         dev_drv->cur_screen = dev_drv->screen0;
3344                         dev_drv->ops->load_screen(dev_drv, 1);
3345                         if (dev_drv->trsm_ops && dev_drv->trsm_ops->enable)
3346                                 dev_drv->trsm_ops->enable();
3347                 } else if (rk_fb->num_lcdc > 1) {
3348                         /* If there is more than one lcdc device, we disable
3349                            the layer which attached to this device */
3350                         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3351                                 if (dev_drv->win[i] && dev_drv->win[i]->state)
3352                                         dev_drv->ops->open(dev_drv, i, 0);
3353                         }
3354                 }
3355
3356                 hdmi_switch_complete = 0;
3357                 return 0;
3358         } else {
3359                 if (dev_drv->screen1)
3360                         dev_drv->cur_screen = dev_drv->screen1;
3361                 memcpy(dev_drv->cur_screen, screen, sizeof(struct rk_screen));
3362                 dev_drv->cur_screen->xsize = dev_drv->cur_screen->mode.xres;
3363                 dev_drv->cur_screen->ysize = dev_drv->cur_screen->mode.yres;
3364                 dev_drv->cur_screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3365                 dev_drv->cur_screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3366         }
3367
3368         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3369                 info = rk_fb->fb[dev_drv->fb_index_base + i];
3370                 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3371                 if (dev_drv->win[win_id]) {
3372                         if (rk_fb->disp_mode == DUAL) {
3373                                 if (dev_drv != pmy_dev_drv &&
3374                                                 pmy_dev_drv->win[win_id]) {
3375                                         dev_drv->win[win_id]->logicalstate =
3376                                                 pmy_dev_drv->win[win_id]->logicalstate;
3377                                         pmy_info = rk_fb->fb[pmy_dev_drv->fb_index_base + i];
3378                                 }
3379                         }
3380                         if (dev_drv->win[win_id]->logicalstate) {
3381                                 if (!dev_drv->win[win_id]->state)
3382                                         dev_drv->ops->open(dev_drv, win_id, 1);
3383                                 if (!load_screen) {
3384                                         dev_drv->ops->load_screen(dev_drv, 1);
3385                                         load_screen = 1;
3386                                 }
3387                                 info->var.activate |= FB_ACTIVATE_FORCE;
3388                                 if (rk_fb->disp_mode == DUAL)
3389                                         rk_fb_update_ext_info(info, pmy_info, 1);
3390                                 info->fbops->fb_set_par(info);
3391                                 info->fbops->fb_pan_display(&info->var, info);
3392                         }
3393                 }
3394         }
3395
3396         hdmi_switch_complete = 1;
3397         if (rk_fb->disp_mode == ONE_DUAL) {
3398                 if (dev_drv->ops->set_screen_scaler)
3399                         dev_drv->ops->set_screen_scaler(dev_drv, dev_drv->screen0, 1);
3400                 if (dev_drv->trsm_ops && dev_drv->trsm_ops->enable)
3401                         dev_drv->trsm_ops->enable();
3402         }
3403         return 0;
3404 }
3405
3406 /*
3407  * function:this function current only called by hdmi for
3408  *      scale the display
3409  * scale_x: scale rate of x resolution
3410  * scale_y: scale rate of y resolution
3411  * lcdc_id: the lcdc id the hdmi attached ,0 or 1
3412  */
3413 int rk_fb_disp_scale(u8 scale_x, u8 scale_y, u8 lcdc_id)
3414 {
3415         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3416         struct fb_info *info = NULL;
3417         struct fb_info *pmy_info = NULL;
3418         struct fb_var_screeninfo *var = NULL;
3419         struct rk_lcdc_driver *dev_drv = NULL;
3420         u16 screen_x, screen_y;
3421         u16 xpos, ypos;
3422         char name[6];
3423         struct rk_screen primary_screen;
3424         rk_fb_get_prmry_screen(&primary_screen);
3425         if (primary_screen.type == SCREEN_HDMI) {
3426                 return 0;
3427         }
3428
3429         sprintf(name, "lcdc%d", lcdc_id);
3430
3431         if (inf->disp_mode == DUAL) {
3432                 dev_drv = rk_get_lcdc_drv(name);
3433                 if (dev_drv == NULL) {
3434                         printk(KERN_ERR "%s driver not found!", name);
3435                         return -ENODEV;
3436                 }
3437         } else {
3438                 dev_drv = inf->lcdc_dev_drv[0];
3439         }
3440
3441         if (inf->num_lcdc == 1) {
3442                 info = inf->fb[0];
3443         } else if (inf->num_lcdc == 2) {
3444                 info = inf->fb[dev_drv->lcdc_win_num];
3445                 pmy_info = inf->fb[0];
3446         }
3447
3448         var = &info->var;
3449         screen_x = dev_drv->cur_screen->mode.xres;
3450         screen_y = dev_drv->cur_screen->mode.yres;
3451
3452         if (inf->disp_mode != DUAL && dev_drv->screen1) {
3453                 dev_drv->cur_screen->xpos =
3454                     (screen_x - screen_x * scale_x / 100) >> 1;
3455                 dev_drv->cur_screen->ypos =
3456                     (screen_y - screen_y * scale_y / 100) >> 1;
3457                 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3458                 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3459         } else {
3460                 xpos = (screen_x - screen_x * scale_x / 100) >> 1;
3461                 ypos = (screen_y - screen_y * scale_y / 100) >> 1;
3462                 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3463                 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3464                 if (inf->disp_mode == DUAL) {
3465                         rk_fb_update_ext_info(info, pmy_info, 0);
3466                 } else {
3467                         var->nonstd &= 0xff;
3468                         var->nonstd |= (xpos << 8) + (ypos << 20);
3469                         var->grayscale &= 0xff;
3470                         var->grayscale |=
3471                                 (dev_drv->cur_screen->xsize << 8) +
3472                                 (dev_drv->cur_screen->ysize << 20);
3473                 }
3474         }
3475
3476         info->fbops->fb_set_par(info);
3477         /* info->fbops->fb_ioctl(info, RK_FBIOSET_CONFIG_DONE, 0); */
3478         dev_drv->ops->cfg_done(dev_drv);
3479         return 0;
3480 }
3481
3482 #if defined(CONFIG_ION_ROCKCHIP)
3483 static int rk_fb_alloc_buffer_by_ion(struct fb_info *fbi,
3484                                      struct rk_lcdc_win *win,
3485                                      unsigned long fb_mem_size)
3486 {
3487         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3488         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)fbi->par;
3489         struct ion_handle *handle;
3490         ion_phys_addr_t phy_addr;
3491         size_t len;
3492         int ret = 0;
3493
3494         if (dev_drv->iommu_enabled)
3495                 handle = ion_alloc(rk_fb->ion_client, (size_t) fb_mem_size, 0,
3496                                    ION_HEAP(ION_VMALLOC_HEAP_ID), 0);
3497         else
3498                 handle = ion_alloc(rk_fb->ion_client, (size_t) fb_mem_size, 0,
3499                                    ION_HEAP(ION_CMA_HEAP_ID), 0);
3500         if (IS_ERR(handle)) {
3501                 dev_err(fbi->device, "failed to ion_alloc:%ld\n",
3502                         PTR_ERR(handle));
3503                 return -ENOMEM;
3504         }
3505         win->area[0].dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3506         if (IS_ERR_OR_NULL(win->area[0].dma_buf)) {
3507                 printk("ion_share_dma_buf() failed\n");
3508                 goto err_share_dma_buf;
3509         }
3510         win->area[0].ion_hdl = handle;
3511         if (dev_drv->prop == PRMRY)
3512                 fbi->screen_base = ion_map_kernel(rk_fb->ion_client, handle);
3513 #ifdef CONFIG_ROCKCHIP_IOMMU
3514         if (dev_drv->iommu_enabled)
3515                 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, handle,
3516                                         (unsigned long *)&phy_addr,
3517                                         (unsigned long *)&len);
3518         else
3519                 ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3520 #else
3521         ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3522 #endif
3523         if (ret < 0) {
3524                 dev_err(fbi->dev, "ion map to get phy addr failed\n");
3525                 goto err_share_dma_buf;
3526         }
3527         fbi->fix.smem_start = phy_addr;
3528         fbi->fix.smem_len = len;
3529         if (dev_drv->prop == PRMRY)
3530                 rk_fb->fb_phy_base = phy_addr;
3531         else
3532                 rk_fb->ext_fb_phy_base = phy_addr;
3533         printk(KERN_INFO "alloc_buffer:ion_phy_addr=0x%lx\n", phy_addr);
3534         return 0;
3535
3536 err_share_dma_buf:
3537         ion_free(rk_fb->ion_client, handle);
3538         return -ENOMEM;
3539 }
3540 #endif
3541
3542 static int rk_fb_alloc_buffer(struct fb_info *fbi, int fb_id)
3543 {
3544         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3545         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)fbi->par;
3546         struct rk_lcdc_win *win = NULL;
3547         int win_id;
3548         int ret = 0;
3549         unsigned long fb_mem_size;
3550 #if !defined(CONFIG_ION_ROCKCHIP)
3551         dma_addr_t fb_mem_phys;
3552         void *fb_mem_virt;
3553 #endif
3554
3555         win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
3556         if (win_id < 0)
3557                 return -ENODEV;
3558         else
3559                 win = dev_drv->win[win_id];
3560
3561         if (!strcmp(fbi->fix.id, "fb0")) {
3562                 fb_mem_size = get_fb_size();
3563 #if defined(CONFIG_ION_ROCKCHIP)
3564                 if (rk_fb_alloc_buffer_by_ion(fbi, win, fb_mem_size) < 0)
3565                         return -ENOMEM;
3566 #else
3567                 fb_mem_virt = dma_alloc_writecombine(fbi->dev, fb_mem_size,
3568                                                      &fb_mem_phys, GFP_KERNEL);
3569                 if (!fb_mem_virt) {
3570                         pr_err("%s: Failed to allocate framebuffer\n",
3571                                __func__);
3572                         return -ENOMEM;
3573                 }
3574                 fbi->fix.smem_len = fb_mem_size;
3575                 fbi->fix.smem_start = fb_mem_phys;
3576                 fbi->screen_base = fb_mem_virt;
3577                 rk_fb->fb_phy_base = fb_mem_phys;
3578 #endif
3579                 memset(fbi->screen_base, 0, fbi->fix.smem_len);
3580                 printk(KERN_INFO "fb%d:phy:%lx>>vir:%p>>len:0x%x\n", fb_id,
3581                        fbi->fix.smem_start, fbi->screen_base,
3582                        fbi->fix.smem_len);
3583         } else {
3584                 if (dev_drv->rotate_mode > X_Y_MIRROR) {
3585                         fb_mem_size = get_rotate_fb_size();
3586 #if defined(CONFIG_ION_ROCKCHIP)
3587                         if (rk_fb_alloc_buffer_by_ion(fbi, win, fb_mem_size) < 0)
3588                                 return -ENOMEM;
3589 #else
3590                         fb_mem_virt =
3591                                 dma_alloc_writecombine(fbi->dev,
3592                                                        fb_mem_size,
3593                                                        &fb_mem_phys,
3594                                                        GFP_KERNEL);
3595                         if (!fb_mem_virt) {
3596                                 pr_err("%s: Failed to allocate framebuffer\n",
3597                                         __func__);
3598                                 return -ENOMEM;
3599                         }
3600                         fbi->fix.smem_len = fb_mem_size;
3601                         fbi->fix.smem_start = fb_mem_phys;
3602                         fbi->screen_base = fb_mem_virt;
3603                         rk_fb->ext_fb_phy_base = fb_mem_phys;
3604 #endif
3605                 } else {
3606                         fbi->fix.smem_start = rk_fb->fb[0]->fix.smem_start;
3607                         fbi->fix.smem_len = rk_fb->fb[0]->fix.smem_len;
3608                         fbi->screen_base = rk_fb->fb[0]->screen_base;
3609                         rk_fb->ext_fb_phy_base = rk_fb->fb_phy_base;
3610                 }
3611
3612                 printk(KERN_INFO "fb%d:phy:%lx>>vir:%p>>len:0x%x\n", fb_id,
3613                        fbi->fix.smem_start, fbi->screen_base,
3614                        fbi->fix.smem_len);
3615         }
3616
3617         fbi->screen_size = fbi->fix.smem_len;
3618         win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
3619         if (win_id >= 0) {
3620                 win = dev_drv->win[win_id];
3621                 win->reserved = fbi->fix.smem_start;
3622         }
3623
3624         return ret;
3625 }
3626
3627 #if 0
3628 static int rk_release_fb_buffer(struct fb_info *fbi)
3629 {
3630         /* buffer for fb1 and fb3 are alloc by android */
3631         if (!strcmp(fbi->fix.id, "fb1") || !strcmp(fbi->fix.id, "fb3"))
3632                 return 0;
3633         iounmap(fbi->screen_base);
3634         release_mem_region(fbi->fix.smem_start, fbi->fix.smem_len);
3635         return 0;
3636 }
3637 #endif
3638
3639 static int init_lcdc_win(struct rk_lcdc_driver *dev_drv,
3640                          struct rk_lcdc_win *def_win)
3641 {
3642         int i;
3643         int lcdc_win_num = dev_drv->lcdc_win_num;
3644
3645         for (i = 0; i < lcdc_win_num; i++) {
3646                 struct rk_lcdc_win *win = NULL;
3647                 win = kzalloc(sizeof(struct rk_lcdc_win), GFP_KERNEL);
3648                 if (!win) {
3649                         dev_err(dev_drv->dev, "kzmalloc for win fail!");
3650                         return -ENOMEM;
3651                 }
3652
3653                 strcpy(win->name, def_win[i].name);
3654                 win->id = def_win[i].id;
3655                 win->support_3d = def_win[i].support_3d;
3656                 dev_drv->win[i] = win;
3657         }
3658
3659         return 0;
3660 }
3661
3662 static int init_lcdc_device_driver(struct rk_fb *rk_fb,
3663                                    struct rk_lcdc_win *def_win, int index)
3664 {
3665         struct rk_lcdc_driver *dev_drv = rk_fb->lcdc_dev_drv[index];
3666         struct rk_screen *screen = devm_kzalloc(dev_drv->dev,
3667                                                 sizeof(struct rk_screen),
3668                                                 GFP_KERNEL);
3669
3670         if (!screen) {
3671                 dev_err(dev_drv->dev, "malloc screen for lcdc%d fail!",
3672                         dev_drv->id);
3673                 return -ENOMEM;
3674         }
3675
3676         screen->screen_id = 0;
3677         screen->lcdc_id = dev_drv->id;
3678         screen->overscan.left = 100;
3679         screen->overscan.top = 100;
3680         screen->overscan.right = 100;
3681         screen->overscan.bottom = 100;
3682
3683         screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3684         screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3685
3686         dev_drv->screen0 = screen;
3687         dev_drv->cur_screen = screen;
3688         /* devie use one lcdc + rk61x scaler for dual display */
3689         if (rk_fb->disp_mode == ONE_DUAL) {
3690                 struct rk_screen *screen1 =
3691                                 devm_kzalloc(dev_drv->dev,
3692                                              sizeof(struct rk_screen),
3693                                              GFP_KERNEL);
3694                 if (!screen1) {
3695                         dev_err(dev_drv->dev, "malloc screen1 for lcdc%d fail!",
3696                                 dev_drv->id);
3697                         return -ENOMEM;
3698                 }
3699                 screen1->screen_id = 1;
3700                 screen1->lcdc_id = 1;
3701                 dev_drv->screen1 = screen1;
3702         }
3703         sprintf(dev_drv->name, "lcdc%d", dev_drv->id);
3704         init_lcdc_win(dev_drv, def_win);
3705         init_completion(&dev_drv->frame_done);
3706         spin_lock_init(&dev_drv->cpl_lock);
3707         mutex_init(&dev_drv->fb_win_id_mutex);
3708         dev_drv->ops->fb_win_remap(dev_drv, dev_drv->fb_win_map);
3709         dev_drv->first_frame = 1;
3710         dev_drv->overscan.left = 100;
3711         dev_drv->overscan.top = 100;
3712         dev_drv->overscan.right = 100;
3713         dev_drv->overscan.bottom = 100;
3714         rk_disp_pwr_ctr_parse_dt(dev_drv);
3715         if (dev_drv->prop == PRMRY) {
3716                 if (dev_drv->ops->set_dsp_cabc)
3717                         dev_drv->ops->set_dsp_cabc(dev_drv, dev_drv->cabc_mode);
3718                 rk_fb_set_prmry_screen(screen);
3719                 rk_fb_get_prmry_screen(screen);
3720         }
3721         dev_drv->trsm_ops = rk_fb_trsm_ops_get(screen->type);
3722         if (dev_drv->prop != PRMRY)
3723                 rk_fb_get_prmry_screen(screen);
3724         dev_drv->output_color = screen->color_mode;
3725
3726         return 0;
3727 }
3728
3729 #ifdef CONFIG_LOGO_LINUX_BMP
3730 static struct linux_logo *bmp_logo;
3731 static int fb_prewine_bmp_logo(struct fb_info *info, int rotate)
3732 {
3733         bmp_logo = fb_find_logo(24);
3734         if (bmp_logo == NULL) {
3735                 printk(KERN_INFO "%s error\n", __func__);
3736                 return 0;
3737         }
3738         return 1;
3739 }
3740
3741 static void fb_show_bmp_logo(struct fb_info *info, int rotate)
3742 {
3743         unsigned char *src = bmp_logo->data;
3744         unsigned char *dst = info->screen_base;
3745         int i;
3746         unsigned int Needwidth = (*(src - 24) << 8) | (*(src - 23));
3747         unsigned int Needheight = (*(src - 22) << 8) | (*(src - 21));
3748
3749         for (i = 0; i < Needheight; i++)
3750                 memcpy(dst + info->var.xres * i * 4,
3751                        src + bmp_logo->width * i * 4, Needwidth * 4);
3752 }
3753 #endif
3754
3755 /*
3756  * check if the primary lcdc has registerd,
3757  * the primary lcdc mas register first
3758  */
3759 bool is_prmry_rk_lcdc_registered(void)
3760 {
3761         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3762
3763         if (rk_fb->lcdc_dev_drv[0])
3764                 return true;
3765         else
3766                 return false;
3767 }
3768
3769 int rk_fb_register(struct rk_lcdc_driver *dev_drv,
3770                    struct rk_lcdc_win *win, int id)
3771 {
3772         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3773         struct fb_info *fbi;
3774         int i = 0, ret = 0, index = 0;
3775 /*
3776 #if defined(CONFIG_ROCKCHIP_IOMMU)
3777         struct device *mmu_dev = NULL;
3778 #endif
3779 */
3780         if (rk_fb->num_lcdc == RK30_MAX_LCDC_SUPPORT)
3781                 return -ENXIO;
3782
3783         for (i = 0; i < RK30_MAX_LCDC_SUPPORT; i++) {
3784                 if (!rk_fb->lcdc_dev_drv[i]) {
3785                         rk_fb->lcdc_dev_drv[i] = dev_drv;
3786                         rk_fb->lcdc_dev_drv[i]->id = id;
3787                         rk_fb->num_lcdc++;
3788                         break;
3789                 }
3790         }
3791
3792         index = i;
3793         init_lcdc_device_driver(rk_fb, win, index);
3794         dev_drv->fb_index_base = rk_fb->num_fb;
3795         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3796                 fbi = framebuffer_alloc(0, &fb_pdev->dev);
3797                 if (!fbi) {
3798                         dev_err(&fb_pdev->dev, "fb framebuffer_alloc fail!");
3799                         ret = -ENOMEM;
3800                 }
3801                 fbi->par = dev_drv;
3802                 fbi->var = def_var;
3803                 fbi->fix = def_fix;
3804                 sprintf(fbi->fix.id, "fb%d", rk_fb->num_fb);
3805                 fb_videomode_to_var(&fbi->var, &dev_drv->cur_screen->mode);
3806                 fbi->var.grayscale |=
3807                     (fbi->var.xres << 8) + (fbi->var.yres << 20);
3808 #if defined(CONFIG_LOGO_LINUX_BMP)
3809                 fbi->var.bits_per_pixel = 32;
3810 #else
3811                 fbi->var.bits_per_pixel = 16;
3812 #endif
3813                 fbi->fix.line_length =
3814                     (fbi->var.xres_virtual) * (fbi->var.bits_per_pixel >> 3);
3815                 fbi->var.width = dev_drv->cur_screen->width;
3816                 fbi->var.height = dev_drv->cur_screen->height;
3817                 fbi->var.pixclock = dev_drv->pixclock;
3818                 if (dev_drv->iommu_enabled)
3819                         fb_ops.fb_mmap = rk_fb_mmap;
3820                 fbi->fbops = &fb_ops;
3821                 fbi->flags = FBINFO_FLAG_DEFAULT;
3822                 fbi->pseudo_palette = dev_drv->win[i]->pseudo_pal;
3823                 ret = register_framebuffer(fbi);
3824                 if (ret < 0) {
3825                         dev_err(&fb_pdev->dev,
3826                                 "%s fb%d register_framebuffer fail!\n",
3827                                 __func__, rk_fb->num_fb);
3828                         return ret;
3829                 }
3830                 rkfb_create_sysfs(fbi);
3831                 rk_fb->fb[rk_fb->num_fb] = fbi;
3832                 dev_info(fbi->dev, "rockchip framebuffer registerd:%s\n",
3833                          fbi->fix.id);
3834                 rk_fb->num_fb++;
3835
3836                 if (i == 0) {
3837                         init_waitqueue_head(&dev_drv->vsync_info.wait);
3838                         init_waitqueue_head(&dev_drv->update_regs_wait);
3839                         ret = device_create_file(fbi->dev, &dev_attr_vsync);
3840                         if (ret)
3841                                 dev_err(fbi->dev,
3842                                         "failed to create vsync file\n");
3843                         dev_drv->vsync_info.thread =
3844                             kthread_run(rk_fb_wait_for_vsync_thread, dev_drv,
3845                                         "fb-vsync");
3846                         if (dev_drv->vsync_info.thread == ERR_PTR(-ENOMEM)) {
3847                                 dev_err(fbi->dev,
3848                                         "failed to run vsync thread\n");
3849                                 dev_drv->vsync_info.thread = NULL;
3850                         }
3851                         dev_drv->vsync_info.active = 1;
3852
3853                         mutex_init(&dev_drv->output_lock);
3854
3855                         INIT_LIST_HEAD(&dev_drv->update_regs_list);
3856                         mutex_init(&dev_drv->update_regs_list_lock);
3857                         init_kthread_worker(&dev_drv->update_regs_worker);
3858
3859                         dev_drv->update_regs_thread =
3860                             kthread_run(kthread_worker_fn,
3861                                         &dev_drv->update_regs_worker, "rk-fb");
3862                         if (IS_ERR(dev_drv->update_regs_thread)) {
3863                                 int err = PTR_ERR(dev_drv->update_regs_thread);
3864                                 dev_drv->update_regs_thread = NULL;
3865
3866                                 printk("failed to run update_regs thread\n");
3867                                 return err;
3868                         }
3869                         init_kthread_work(&dev_drv->update_regs_work,
3870                                           rk_fb_update_regs_handler);
3871
3872                         dev_drv->timeline =
3873                             sw_sync_timeline_create("fb-timeline");
3874                         dev_drv->timeline_max = 1;
3875                 }
3876         }
3877
3878         /* show logo for primary display device */
3879 #if !defined(CONFIG_FRAMEBUFFER_CONSOLE) && defined(CONFIG_LOGO)
3880         if (dev_drv->prop == PRMRY) {
3881                 struct fb_info *main_fbi = rk_fb->fb[0];
3882                 main_fbi->fbops->fb_open(main_fbi, 1);
3883
3884 #if defined(CONFIG_ROCKCHIP_IOMMU)
3885                 if (dev_drv->iommu_enabled) {
3886                         if (dev_drv->mmu_dev)
3887                                 rockchip_iovmm_set_fault_handler(dev_drv->dev,
3888                                                 rk_fb_sysmmu_fault_handler);
3889                 }
3890 #endif
3891
3892                 rk_fb_alloc_buffer(main_fbi, 0);        /* only alloc memory for main fb */
3893                 if (support_uboot_display()) {
3894                         if (dev_drv->iommu_enabled) {
3895                                 rk_fb_copy_from_loader(main_fbi);
3896                                 dev_drv->ops->direct_set_addr(dev_drv, 0,
3897                                         main_fbi->fix.smem_start);
3898                         }
3899                         return 0;
3900                 }
3901                 main_fbi->fbops->fb_set_par(main_fbi);
3902 #if  defined(CONFIG_LOGO_LINUX_BMP)
3903                 if (fb_prewine_bmp_logo(main_fbi, FB_ROTATE_UR)) {
3904                         fb_set_cmap(&main_fbi->cmap, main_fbi);
3905                         fb_show_bmp_logo(main_fbi, FB_ROTATE_UR);
3906                 }
3907 #else
3908                 if (fb_prepare_logo(main_fbi, FB_ROTATE_UR)) {
3909                         fb_set_cmap(&main_fbi->cmap, main_fbi);
3910                         fb_show_logo(main_fbi, FB_ROTATE_UR);
3911                 }
3912 #endif
3913                 main_fbi->fbops->fb_pan_display(&main_fbi->var, main_fbi);
3914         } else {
3915                 struct fb_info *extend_fbi = rk_fb->fb[rk_fb->num_fb >> 1];
3916                 int extend_fb_id = get_extend_fb_id(extend_fbi);
3917
3918                 rk_fb_alloc_buffer(extend_fbi, extend_fb_id);
3919         }
3920 #endif
3921         return 0;
3922 }
3923
3924 int rk_fb_unregister(struct rk_lcdc_driver *dev_drv)
3925 {
3926         struct rk_fb *fb_inf = platform_get_drvdata(fb_pdev);
3927         struct fb_info *fbi;
3928         int fb_index_base = dev_drv->fb_index_base;
3929         int fb_num = dev_drv->lcdc_win_num;
3930         int i = 0;
3931
3932         if (fb_inf->lcdc_dev_drv[i]->vsync_info.thread) {
3933                 fb_inf->lcdc_dev_drv[i]->vsync_info.irq_stop = 1;
3934                 kthread_stop(fb_inf->lcdc_dev_drv[i]->vsync_info.thread);
3935         }
3936
3937         for (i = 0; i < fb_num; i++)
3938                 kfree(dev_drv->win[i]);
3939
3940         for (i = fb_index_base; i < (fb_index_base + fb_num); i++) {
3941                 fbi = fb_inf->fb[i];
3942                 unregister_framebuffer(fbi);
3943                 /* rk_release_fb_buffer(fbi); */
3944                 framebuffer_release(fbi);
3945         }
3946         fb_inf->lcdc_dev_drv[dev_drv->id] = NULL;
3947         fb_inf->num_lcdc--;
3948
3949         return 0;
3950 }
3951
3952 static int rk_fb_probe(struct platform_device *pdev)
3953 {
3954         struct rk_fb *rk_fb = NULL;
3955         struct device_node *np = pdev->dev.of_node;
3956         u32 mode;
3957
3958         if (!np) {
3959                 dev_err(&pdev->dev, "Missing device tree node.\n");
3960                 return -EINVAL;
3961         }
3962
3963         rk_fb = devm_kzalloc(&pdev->dev, sizeof(struct rk_fb), GFP_KERNEL);
3964         if (!rk_fb) {
3965                 dev_err(&pdev->dev, "kmalloc for rk fb fail!");
3966                 return -ENOMEM;
3967         }
3968         platform_set_drvdata(pdev, rk_fb);
3969
3970         if (!of_property_read_u32(np, "rockchip,disp-mode", &mode)) {
3971                 rk_fb->disp_mode = mode;
3972
3973         } else {
3974                 dev_err(&pdev->dev, "no disp-mode node found!");
3975                 return -ENODEV;
3976         }
3977
3978         if (!of_property_read_u32(np, "rockchip,uboot-logo-on", &uboot_logo_on))
3979                 printk(KERN_DEBUG "uboot-logo-on:%d\n", uboot_logo_on);
3980
3981         dev_set_name(&pdev->dev, "rockchip-fb");
3982 #if defined(CONFIG_ION_ROCKCHIP)
3983         rk_fb->ion_client = rockchip_ion_client_create("rk_fb");
3984         if (IS_ERR(rk_fb->ion_client)) {
3985                 dev_err(&pdev->dev, "failed to create ion client for rk fb");
3986                 return PTR_ERR(rk_fb->ion_client);
3987         } else {
3988                 dev_info(&pdev->dev, "rk fb ion client create success!\n");
3989         }
3990 #endif
3991
3992         fb_pdev = pdev;
3993         dev_info(&pdev->dev, "rockchip framebuffer driver probe\n");
3994         return 0;
3995 }
3996
3997 static int rk_fb_remove(struct platform_device *pdev)
3998 {
3999         struct rk_fb *rk_fb = platform_get_drvdata(pdev);
4000
4001         kfree(rk_fb);
4002         platform_set_drvdata(pdev, NULL);
4003         return 0;
4004 }
4005
4006 static void rk_fb_shutdown(struct platform_device *pdev)
4007 {
4008         struct rk_fb *rk_fb = platform_get_drvdata(pdev);
4009         int i;
4010
4011         for (i = 0; i < rk_fb->num_lcdc; i++) {
4012                 if (!rk_fb->lcdc_dev_drv[i])
4013                         continue;
4014         }
4015 }
4016
4017 static const struct of_device_id rkfb_dt_ids[] = {
4018         {.compatible = "rockchip,rk-fb",},
4019         {}
4020 };
4021
4022 static struct platform_driver rk_fb_driver = {
4023         .probe = rk_fb_probe,
4024         .remove = rk_fb_remove,
4025         .driver = {
4026                    .name = "rk-fb",
4027                    .owner = THIS_MODULE,
4028                    .of_match_table = of_match_ptr(rkfb_dt_ids),
4029                    },
4030         .shutdown = rk_fb_shutdown,
4031 };
4032
4033 static int __init rk_fb_init(void)
4034 {
4035         return platform_driver_register(&rk_fb_driver);
4036 }
4037
4038 static void __exit rk_fb_exit(void)
4039 {
4040         platform_driver_unregister(&rk_fb_driver);
4041 }
4042
4043 fs_initcall(rk_fb_init);
4044 module_exit(rk_fb_exit);