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, "ABGR888");
 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_fb_par *fb_par = (struct rk_fb_par *)info->par;
 737         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
 738         int win_id;
 739
 740         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
 741         fb_par->state++;
 742         /* if this win aready opened ,no need to reopen */
 743         if (dev_drv->win[win_id]->state)
 744                 return 0;
 745         else
 746                 dev_drv->ops->open(dev_drv, win_id, 1);
 747         return 0;
 748 }
 749
 750 static int get_extend_fb_id(struct fb_info *info)
 751 {
 752         int fb_id = 0;
 753         char *id = info->fix.id;
 754         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
 755         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
 756
 757         if (!strcmp(id, "fb0"))
 758                 fb_id = 0;
 759         else if (!strcmp(id, "fb1"))
 760                 fb_id = 1;
 761         else if (!strcmp(id, "fb2") && (dev_drv->lcdc_win_num > 2))
 762                 fb_id = 2;
 763         else if (!strcmp(id, "fb3") && (dev_drv->lcdc_win_num > 3))
 764                 fb_id = 3;
 765         return fb_id;
 766 }
 767
 768 static int rk_fb_close(struct fb_info *info, int user)
 769 {
 770         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
 771         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
 772         struct rk_lcdc_win *win = NULL;
 773         int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
 774
 775         if (win_id >= 0) {
 776                 win = dev_drv->win[win_id];
 777                 fb_par->state--;
 778                 if (!fb_par->state) {
 779                         if (fb_par->fb_phy_base > 0)
 780                                 info->fix.smem_start = fb_par->fb_phy_base;
 781                         info->var.xres = dev_drv->screen0->mode.xres;
 782                         info->var.yres = dev_drv->screen0->mode.yres;
 783                         /*
 784                         info->var.grayscale |=
 785                             (info->var.xres << 8) + (info->var.yres << 20);
 786                         */
 787                         info->var.xres_virtual = info->var.xres;
 788                         info->var.yres_virtual = info->var.yres;
 789 #if defined(CONFIG_LOGO_LINUX_BMP)
 790                         info->var.bits_per_pixel = 32;
 791 #else
 792                         info->var.bits_per_pixel = 16;
 793 #endif
 794                         info->fix.line_length =
 795                             (info->var.xres_virtual) * (info->var.bits_per_pixel >> 3);
 796                         info->var.width = dev_drv->screen0->width;
 797                         info->var.height = dev_drv->screen0->height;
 798                         info->var.pixclock = dev_drv->pixclock;
 799                         info->var.left_margin = dev_drv->screen0->mode.left_margin;
 800                         info->var.right_margin = dev_drv->screen0->mode.right_margin;
 801                         info->var.upper_margin = dev_drv->screen0->mode.upper_margin;
 802                         info->var.lower_margin = dev_drv->screen0->mode.lower_margin;
 803                         info->var.vsync_len = dev_drv->screen0->mode.vsync_len;
 804                         info->var.hsync_len = dev_drv->screen0->mode.hsync_len;
 805                 }
 806         }
 807
 808         return 0;
 809 }
 810
 811
 812 #if defined(CONFIG_RK29_IPP)
 813 static int get_ipp_format(int fmt)
 814 {
 815         int ipp_fmt = IPP_XRGB_8888;
 816         switch (fmt) {
 817         case HAL_PIXEL_FORMAT_RGBX_8888:
 818         case HAL_PIXEL_FORMAT_RGBA_8888:
 819         case HAL_PIXEL_FORMAT_BGRA_8888:
 820         case HAL_PIXEL_FORMAT_RGB_888:
 821                 ipp_fmt = IPP_XRGB_8888;
 822                 break;
 823         case HAL_PIXEL_FORMAT_RGB_565:
 824                 ipp_fmt = IPP_RGB_565;
 825                 break;
 826         case HAL_PIXEL_FORMAT_YCbCr_422_SP:
 827                 ipp_fmt = IPP_Y_CBCR_H2V1;
 828                 break;
 829         case HAL_PIXEL_FORMAT_YCrCb_NV12:
 830                 ipp_fmt = IPP_Y_CBCR_H2V2;
 831                 break;
 832         case HAL_PIXEL_FORMAT_YCrCb_444:
 833                 ipp_fmt = IPP_Y_CBCR_H1V1;
 834                 break;
 835         default:
 836                 ipp_fmt = IPP_IMGTYPE_LIMIT;
 837                 break;
 838         }
 839
 840         return ipp_fmt;
 841 }
 842
 843 static void ipp_win_check(int *dst_w, int *dst_h, int *dst_vir_w,
 844                           int rotation, int fmt)
 845 {
 846         int align16 = 2;
 847         int align64 = 8;
 848
 849         if (fmt == IPP_XRGB_8888) {
 850                 align16 = 1;
 851                 align64 = 2;
 852         } else if (fmt == IPP_RGB_565) {
 853                 align16 = 1;
 854                 align64 = 4;
 855         } else {
 856                 align16 = 2;
 857                 align64 = 8;
 858         }
 859         align16 -= 1;           /*for YUV, 1 */
 860         align64 -= 1;           /*for YUV, 7 */
 861
 862         if (rotation == IPP_ROT_0) {
 863                 if (fmt > IPP_RGB_565) {
 864                         if ((*dst_w & 1) != 0)
 865                                 *dst_w = *dst_w + 1;
 866                         if ((*dst_h & 1) != 0)
 867                                 *dst_h = *dst_h + 1;
 868                         if (*dst_vir_w < *dst_w)
 869                                 *dst_vir_w = *dst_w;
 870                 }
 871         } else {
 872                 if ((*dst_w & align64) != 0)
 873                         *dst_w = (*dst_w + align64) & (~align64);
 874                 if ((fmt > IPP_RGB_565) && ((*dst_h & 1) == 1))
 875                         *dst_h = *dst_h + 1;
 876                 if (*dst_vir_w < *dst_w)
 877                         *dst_vir_w = *dst_w;
 878         }
 879 }
 880
 881 static void fb_copy_by_ipp(struct fb_info *dst_info,
 882                                 struct fb_info *src_info)
 883 {
 884         struct rk29_ipp_req ipp_req;
 885         uint32_t rotation = 0;
 886         int dst_w, dst_h, dst_vir_w;
 887         int ipp_fmt;
 888         u8 data_format = (dst_info->var.nonstd) & 0xff;
 889         struct rk_fb_par *fb_par = (struct rk_fb_par *)dst_info->par;
 890         struct rk_lcdc_driver *ext_dev_drv = fb_par->lcdc_drv;
 891         u16 orientation = ext_dev_drv->rotate_mode;
 892
 893         memset(&ipp_req, 0, sizeof(struct rk29_ipp_req));
 894
 895         switch (orientation) {
 896         case 0:
 897                 rotation = IPP_ROT_0;
 898                 break;
 899         case ROTATE_90:
 900                 rotation = IPP_ROT_90;
 901                 break;
 902         case ROTATE_180:
 903                 rotation = IPP_ROT_180;
 904                 break;
 905         case ROTATE_270:
 906                 rotation = IPP_ROT_270;
 907                 break;
 908         default:
 909                 rotation = IPP_ROT_270;
 910                 break;
 911         }
 912
 913         dst_w = dst_info->var.xres;
 914         dst_h = dst_info->var.yres;
 915         dst_vir_w = dst_info->var.xres_virtual;
 916         ipp_fmt = get_ipp_format(data_format);
 917         ipp_win_check(&dst_w, &dst_h, &dst_vir_w, rotation, ipp_fmt);
 918         ipp_req.src0.YrgbMst = src_info->fix.smem_start + offset;
 919         ipp_req.src0.w = src_info->var.xres;
 920         ipp_req.src0.h = src_info->var.yres;
 921         ipp_req.src_vir_w = src_info->var.xres_virtual;
 922         ipp_req.src0.fmt = ipp_fmt;
 923
 924         ipp_req.dst0.YrgbMst = dst_info->fix.smem_start + offset;
 925         ipp_req.dst0.w = dst_w;
 926         ipp_req.dst0.h = dst_h;
 927         ipp_req.dst_vir_w = dst_vir_w;
 928         ipp_req.dst0.fmt = ipp_fmt;
 929
 930         ipp_req.timeout = 100;
 931         ipp_req.flag = rotation;
 932         ipp_blit_sync(&ipp_req);
 933 }
 934
 935 #endif
 936
 937 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
 938 static int get_rga_format(int fmt)
 939 {
 940         int rga_fmt = 0;
 941
 942         switch (fmt) {
 943         case XBGR888:
 944                 rga_fmt = RK_FORMAT_RGBX_8888;
 945                 break;
 946         case ABGR888:
 947                 rga_fmt = RK_FORMAT_RGBA_8888;
 948                 break;
 949         case ARGB888:
 950                 rga_fmt = RK_FORMAT_BGRA_8888;
 951                 break;
 952         case RGB888:
 953                 rga_fmt = RK_FORMAT_RGB_888;
 954                 break;
 955         case RGB565:
 956                 rga_fmt = RK_FORMAT_RGB_565;
 957                 break;
 958         case YUV422:
 959                 rga_fmt = RK_FORMAT_YCbCr_422_SP;
 960                 break;
 961         case YUV420:
 962                 rga_fmt = RK_FORMAT_YCbCr_420_SP;
 963                 break;
 964         default:
 965                 rga_fmt = RK_FORMAT_RGBA_8888;
 966                 break;
 967         }
 968
 969         return rga_fmt;
 970 }
 971
 972 static void rga_win_check(struct rk_lcdc_win *dst_win,
 973                           struct rk_lcdc_win *src_win)
 974 {
 975         int format = 0;
 976
 977         format = get_rga_format(src_win->format);
 978         /* width and height must be even number */
 979         if (format >= RK_FORMAT_YCbCr_422_SP &&
 980             format <= RK_FORMAT_YCrCb_420_P) {
 981                 if ((src_win->area[0].xact % 2) != 0)
 982                         src_win->area[0].xact += 1;
 983                 if ((src_win->area[0].yact % 2) != 0)
 984                         src_win->area[0].yact += 1;
 985         }
 986         if (src_win->area[0].xvir < src_win->area[0].xact)
 987                 src_win->area[0].xvir = src_win->area[0].xact;
 988         if (src_win->area[0].yvir < src_win->area[0].yact)
 989                 src_win->area[0].yvir = src_win->area[0].yact;
 990
 991         format = get_rga_format(dst_win->format);
 992         if (format >= RK_FORMAT_YCbCr_422_SP &&
 993             format <= RK_FORMAT_YCrCb_420_P) {
 994                 if ((dst_win->area[0].xact % 2) != 0)
 995                         dst_win->area[0].xact += 1;
 996                 if ((dst_win->area[0].yact % 2) != 0)
 997                         dst_win->area[0].yact += 1;
 998         }
 999         if (dst_win->area[0].xvir < dst_win->area[0].xact)
1000                 dst_win->area[0].xvir = dst_win->area[0].xact;
1001         if (dst_win->area[0].yvir < dst_win->area[0].yact)
1002                 dst_win->area[0].yvir = dst_win->area[0].yact;
1003 }
1004
1005 static void win_copy_by_rga(struct rk_lcdc_win *dst_win,
1006                             struct rk_lcdc_win *src_win,
1007                             u16 orientation, int iommu_en)
1008 {
1009         struct rga_req Rga_Request;
1010         long ret = 0;
1011         /* int fd = 0; */
1012
1013         memset(&Rga_Request, 0, sizeof(Rga_Request));
1014         rga_win_check(dst_win, src_win);
1015
1016         switch (orientation) {
1017         case ROTATE_90:
1018                 Rga_Request.rotate_mode = 1;
1019                 Rga_Request.sina = 65536;
1020                 Rga_Request.cosa = 0;
1021                 Rga_Request.dst.act_w = dst_win->area[0].yact;
1022                 Rga_Request.dst.act_h = dst_win->area[0].xact;
1023                 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1024                 Rga_Request.dst.y_offset = 0;
1025                 break;
1026         case ROTATE_180:
1027                 Rga_Request.rotate_mode = 1;
1028                 Rga_Request.sina = 0;
1029                 Rga_Request.cosa = -65536;
1030                 Rga_Request.dst.act_w = dst_win->area[0].xact;
1031                 Rga_Request.dst.act_h = dst_win->area[0].yact;
1032                 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1033                 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1034                 break;
1035         case ROTATE_270:
1036                 Rga_Request.rotate_mode = 1;
1037                 Rga_Request.sina = -65536;
1038                 Rga_Request.cosa = 0;
1039                 Rga_Request.dst.act_w = dst_win->area[0].yact;
1040                 Rga_Request.dst.act_h = dst_win->area[0].xact;
1041                 Rga_Request.dst.x_offset = 0;
1042                 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1043                 break;
1044         default:
1045                 Rga_Request.rotate_mode = 0;
1046                 Rga_Request.dst.act_w = dst_win->area[0].xact;
1047                 Rga_Request.dst.act_h = dst_win->area[0].yact;
1048                 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1049                 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1050                 break;
1051         }
1052
1053 /*
1054         fd = ion_share_dma_buf_fd(rk_fb->ion_client, src_win->area[0].ion_hdl);
1055         Rga_Request.src.yrgb_addr = fd;
1056         fd = ion_share_dma_buf_fd(rk_fb->ion_client, dst_win->area[0].ion_hdl);
1057         Rga_Request.dst.yrgb_addr = fd;
1058 */
1059         Rga_Request.src.yrgb_addr = 0;
1060         Rga_Request.src.uv_addr =
1061             src_win->area[0].smem_start + src_win->area[0].y_offset;
1062         Rga_Request.src.v_addr = 0;
1063
1064         Rga_Request.dst.yrgb_addr = 0;
1065         Rga_Request.dst.uv_addr =
1066             dst_win->area[0].smem_start + dst_win->area[0].y_offset;
1067         Rga_Request.dst.v_addr = 0;
1068
1069         Rga_Request.src.vir_w = src_win->area[0].xvir;
1070         Rga_Request.src.vir_h = src_win->area[0].yvir;
1071         Rga_Request.src.format = get_rga_format(src_win->format);
1072         Rga_Request.src.act_w = src_win->area[0].xact;
1073         Rga_Request.src.act_h = src_win->area[0].yact;
1074         Rga_Request.src.x_offset = 0;
1075         Rga_Request.src.y_offset = 0;
1076
1077         Rga_Request.dst.vir_w = dst_win->area[0].xvir;
1078         Rga_Request.dst.vir_h = dst_win->area[0].yvir;
1079         Rga_Request.dst.format = get_rga_format(dst_win->format);
1080
1081         Rga_Request.clip.xmin = 0;
1082         Rga_Request.clip.xmax = dst_win->area[0].xact - 1;
1083         Rga_Request.clip.ymin = 0;
1084         Rga_Request.clip.ymax = dst_win->area[0].yact - 1;
1085         Rga_Request.scale_mode = 0;
1086 #if defined(CONFIG_ROCKCHIP_IOMMU)
1087         if (iommu_en) {
1088                 Rga_Request.mmu_info.mmu_en = 1;
1089                 Rga_Request.mmu_info.mmu_flag = 1;
1090         } else {
1091                 Rga_Request.mmu_info.mmu_en = 0;
1092                 Rga_Request.mmu_info.mmu_flag = 0;
1093         }
1094 #else
1095         Rga_Request.mmu_info.mmu_en = 0;
1096         Rga_Request.mmu_info.mmu_flag = 0;
1097 #endif
1098
1099         ret = rga_ioctl_kernel(&Rga_Request);
1100 }
1101
1102 /*
1103  * This function is used for copying fb by RGA Module
1104  * RGA only support copy RGB to RGB
1105  * RGA2 support copy RGB to RGB and YUV to YUV
1106  */
1107 static void fb_copy_by_rga(struct fb_info *dst_info,
1108                                 struct fb_info *src_info)
1109 {
1110         struct rk_fb_par *src_fb_par = (struct rk_fb_par *)src_info->par;
1111         struct rk_fb_par *dst_fb_par = (struct rk_fb_par *)dst_info->par;
1112         struct rk_lcdc_driver *dev_drv = src_fb_par->lcdc_drv;
1113         struct rk_lcdc_driver *ext_dev_drv = dst_fb_par->lcdc_drv;
1114         int win_id = 0, ext_win_id;
1115         struct rk_lcdc_win *src_win, *dst_win;
1116
1117         win_id = dev_drv->ops->fb_get_win_id(dev_drv, src_info->fix.id);
1118         src_win = dev_drv->win[win_id];
1119
1120         ext_win_id =
1121             ext_dev_drv->ops->fb_get_win_id(ext_dev_drv, dst_info->fix.id);
1122         dst_win = ext_dev_drv->win[ext_win_id];
1123
1124         win_copy_by_rga(dst_win, src_win, ext_dev_drv->rotate_mode,
1125                         ext_dev_drv->iommu_enabled);
1126 }
1127
1128 #endif
1129
1130 static int rk_fb_rotate(struct fb_info *dst_info,
1131                           struct fb_info *src_info)
1132 {
1133
1134 #if defined(CONFIG_RK29_IPP)
1135         fb_copy_by_ipp(dst_info, src_info);
1136 #elif defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1137         fb_copy_by_rga(dst_info, src_info);
1138 #else
1139         return -1;
1140 #endif
1141         return 0;
1142 }
1143
1144 static int rk_fb_win_rotate(struct rk_lcdc_win *dst_win,
1145                             struct rk_lcdc_win *src_win,
1146                             u16 rotate, int iommu_en)
1147 {
1148 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1149         win_copy_by_rga(dst_win, src_win, rotate, iommu_en);
1150 #else
1151         return -1;
1152 #endif
1153         return 0;
1154 }
1155
1156 static int rk_fb_set_ext_win_buffer(struct rk_lcdc_win *ext_win,
1157                                          struct rk_lcdc_win *win,
1158                                          u16 rotate, int iommu_en)
1159 {
1160         struct rk_fb *rk_fb =  platform_get_drvdata(fb_pdev);
1161         struct fb_info *ext_info = rk_fb->fb[(rk_fb->num_fb >> 1)];
1162         struct rk_fb_par *ext_fb_par = (struct rk_fb_par *)ext_info->par;
1163         struct rk_lcdc_driver *ext_dev_drv = rk_get_extend_lcdc_drv();
1164         struct rk_lcdc_win *last_win;
1165         static u8 fb_index = 0;
1166         ion_phys_addr_t phy_addr;
1167         size_t len = 0;
1168         int ret = 0;
1169         bool is_yuv = false;
1170
1171         if (unlikely(!ext_win) || unlikely(!win))
1172                 return -1;
1173
1174         if (rk_fb->disp_mode != DUAL || ext_info == NULL)
1175                 return 0;
1176
1177         switch (ext_win->format) {
1178         case YUV422:
1179         case YUV420:
1180         case YUV444:
1181         case YUV422_A:
1182         case YUV420_A:
1183         case YUV444_A:
1184                 is_yuv = true;
1185                 break;
1186         default:
1187                 is_yuv = false;
1188                 break;
1189         }
1190
1191         /* no rotate mode */
1192         if (rotate <= X_Y_MIRROR) {
1193                 if (iommu_en) {
1194                         ret = ion_map_iommu(ext_dev_drv->dev,
1195                                             rk_fb->ion_client,
1196                                             win->area[0].ion_hdl,
1197                                             (unsigned long *)&phy_addr,
1198                                             (unsigned long *)&len);
1199                         if (ret < 0) {
1200                                 dev_err(ext_dev_drv->dev, "ion map to get phy addr failed\n");
1201                                 ion_free(rk_fb->ion_client, win->area[0].ion_hdl);
1202                                 return -ENOMEM;
1203                         }
1204                         ext_win->area[0].smem_start = phy_addr;
1205                         ext_win->area[0].y_offset = win->area[0].y_offset;
1206                         if (is_yuv) {
1207                                 ext_win->area[0].cbr_start = win->area[0].cbr_start;
1208                                 ext_win->area[0].c_offset = win->area[0].c_offset;
1209                         } else {
1210                                 ext_win->area[0].cbr_start = 0;
1211                                 ext_win->area[0].c_offset = 0;
1212                         }
1213                 } else {
1214                         ext_win->area[0].smem_start = win->area[0].smem_start;
1215                         ext_win->area[0].y_offset = win->area[0].y_offset;
1216                         if (is_yuv) {
1217                                 ext_win->area[0].cbr_start = win->area[0].cbr_start;
1218                                 ext_win->area[0].c_offset = win->area[0].c_offset;
1219                         } else {
1220                                 ext_win->area[0].cbr_start = 0;
1221                                 ext_win->area[0].c_offset = 0;
1222                         }
1223                 }
1224
1225                 return 0;
1226         }
1227
1228         /* rotate mode */
1229         if (!iommu_en) {
1230                 if (ext_win->id == 0) {
1231                         ext_win->area[0].smem_start = ext_fb_par->fb_phy_base;
1232                         ext_win->area[0].y_offset = (get_rotate_fb_size() >> 1) * fb_index;
1233                         if ((++fb_index) > 1)
1234                                 fb_index = 0;
1235                 } else {
1236                         ext_win->area[0].y_offset = 0;
1237                         last_win = ext_dev_drv->win[ext_win->id - 1];
1238                         if (last_win->area[0].cbr_start)
1239                                 ext_win->area[0].smem_start =
1240                                         last_win->area[0].cbr_start +
1241                                         last_win->area[0].c_offset +
1242                                         last_win->area[0].xvir * last_win->area[0].yvir;
1243                         else
1244                                 ext_win->area[0].smem_start =
1245                                         last_win->area[0].smem_start +
1246                                         last_win->area[0].y_offset +
1247                                         last_win->area[0].xvir * last_win->area[0].yvir;
1248                 }
1249
1250                 if (is_yuv) {
1251                         ext_win->area[0].cbr_start =
1252                                 ext_win->area[0].smem_start +
1253                                 ext_win->area[0].y_offset +
1254                                 ext_win->area[0].xvir * ext_win->area[0].yvir;
1255                         ext_win->area[0].c_offset = win->area[0].c_offset;
1256                 } else {
1257                         ext_win->area[0].cbr_start = 0;
1258                         ext_win->area[0].c_offset = 0;
1259                 }
1260         }
1261
1262         return 0;
1263 }
1264
1265 static int rk_fb_pan_display(struct fb_var_screeninfo *var,
1266                              struct fb_info *info)
1267 {
1268         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
1269         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1270         struct rk_fb_par *extend_fb_par = NULL;
1271         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1272         struct fb_fix_screeninfo *fix = &info->fix;
1273         struct fb_info *extend_info = NULL;
1274         struct rk_lcdc_driver *extend_dev_drv = NULL;
1275         int win_id = 0, extend_win_id = 0;
1276         struct rk_lcdc_win *extend_win = NULL;
1277         struct rk_lcdc_win *win = NULL;
1278         struct rk_screen *screen = dev_drv->cur_screen;
1279         int fb_id = 0;
1280
1281         u32 xoffset = var->xoffset;
1282         u32 yoffset = var->yoffset;
1283         u32 xvir = var->xres_virtual;
1284         /* u32 yvir = var->yres_virtual; */
1285         /* u8 data_format = var->nonstd&0xff; */
1286
1287         u8 pixel_width;
1288         u32 vir_width_bit;
1289         u32 stride, uv_stride;
1290         u32 stride_32bit_1;
1291         u32 stride_32bit_2;
1292         u16 uv_x_off, uv_y_off, uv_y_act;
1293         u8 is_pic_yuv = 0;
1294
1295         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1296         if (win_id < 0)
1297                 return -ENODEV;
1298         else
1299                 win = dev_drv->win[win_id];
1300
1301         if (rk_fb->disp_mode == DUAL) {
1302                 fb_id = get_extend_fb_id(info);
1303                 extend_info = rk_fb->fb[(rk_fb->num_fb >> 1) + fb_id];
1304                 extend_fb_par = (struct rk_fb_par *)extend_info->par;
1305                 extend_dev_drv = extend_fb_par->lcdc_drv;
1306                 extend_win_id = dev_drv->ops->fb_get_win_id(extend_dev_drv,
1307                                                            extend_info->fix.id);
1308                 extend_win = extend_dev_drv->win[extend_win_id];
1309         }
1310
1311         pixel_width = rk_fb_pixel_width(win->format);
1312         vir_width_bit = pixel_width * xvir;
1313         /* pixel_width = byte_num * 8 */
1314         stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
1315         stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
1316
1317         switch (win->format) {
1318         case YUV422:
1319         case YUV422_A:
1320                 is_pic_yuv = 1;
1321                 stride = stride_32bit_1;
1322                 uv_stride = stride_32bit_1 >> 1;
1323                 uv_x_off = xoffset >> 1;
1324                 uv_y_off = yoffset;
1325                 fix->line_length = stride;
1326                 uv_y_act = win->area[0].yact >> 1;
1327                 break;
1328         case YUV420:            /* 420sp */
1329         case YUV420_A:
1330                 is_pic_yuv = 1;
1331                 stride = stride_32bit_1;
1332                 uv_stride = stride_32bit_1;
1333                 uv_x_off = xoffset;
1334                 uv_y_off = yoffset >> 1;
1335                 fix->line_length = stride;
1336                 uv_y_act = win->area[0].yact >> 1;
1337                 break;
1338         case YUV444:
1339         case YUV444_A:
1340                 is_pic_yuv = 1;
1341                 stride = stride_32bit_1;
1342                 uv_stride = stride_32bit_2;
1343                 uv_x_off = xoffset * 2;
1344                 uv_y_off = yoffset;
1345                 fix->line_length = stride << 2;
1346                 uv_y_act = win->area[0].yact;
1347                 break;
1348         default:
1349                 stride = stride_32bit_1;        /* default rgb */
1350                 fix->line_length = stride;
1351                 break;
1352         }
1353
1354         /* x y mirror ,jump line */
1355         if (screen->y_mirror == 1) {
1356                 if (screen->interlace == 1) {
1357                         win->area[0].y_offset = yoffset * stride * 2 +
1358                             ((win->area[0].yact - 1) * 2 + 1) * stride +
1359                             xoffset * pixel_width / 8;
1360                 } else {
1361                         win->area[0].y_offset = yoffset * stride +
1362                             (win->area[0].yact - 1) * stride +
1363                             xoffset * pixel_width / 8;
1364                 }
1365         } else {
1366                 if (screen->interlace == 1) {
1367                         win->area[0].y_offset =
1368                             yoffset * stride * 2 + xoffset * pixel_width / 8;
1369                 } else {
1370                         win->area[0].y_offset =
1371                             yoffset * stride + xoffset * pixel_width / 8;
1372                 }
1373         }
1374         if (is_pic_yuv == 1) {
1375                 if (screen->y_mirror == 1) {
1376                         if (screen->interlace == 1) {
1377                                 win->area[0].c_offset =
1378                                     uv_y_off * uv_stride * 2 +
1379                                     ((uv_y_act - 1) * 2 + 1) * uv_stride +
1380                                     uv_x_off * pixel_width / 8;
1381                         } else {
1382                                 win->area[0].c_offset = uv_y_off * uv_stride +
1383                                     (uv_y_act - 1) * uv_stride +
1384                                     uv_x_off * pixel_width / 8;
1385                         }
1386                 } else {
1387                         if (screen->interlace == 1) {
1388                                 win->area[0].c_offset =
1389                                     uv_y_off * uv_stride * 2 +
1390                                     uv_x_off * pixel_width / 8;
1391                         } else {
1392                                 win->area[0].c_offset =
1393                                     uv_y_off * uv_stride +
1394                                     uv_x_off * pixel_width / 8;
1395                         }
1396                 }
1397         }
1398
1399         win->area[0].smem_start = fix->smem_start;
1400         win->area[0].cbr_start = fix->mmio_start;
1401         win->area[0].state = 1;
1402         win->area_num = 1;
1403
1404         dev_drv->ops->pan_display(dev_drv, win_id);
1405
1406         if (rk_fb->disp_mode == DUAL) {
1407                 if (extend_info != info && extend_win->state &&
1408                     hdmi_switch_complete) {
1409                         rk_fb_set_ext_win_buffer(extend_win, win,
1410                                                  extend_dev_drv->rotate_mode,
1411                                                  extend_dev_drv->iommu_enabled);
1412                         if (extend_dev_drv->rotate_mode > X_Y_MIRROR)
1413                                 rk_fb_rotate(extend_info, info);
1414
1415                         extend_dev_drv->ops->pan_display(extend_dev_drv,
1416                                                          extend_win_id);
1417                         extend_dev_drv->ops->cfg_done(extend_dev_drv);
1418                 }
1419         }
1420 #ifdef  CONFIG_FB_MIRRORING
1421         if (video_data_to_mirroring)
1422                 video_data_to_mirroring(info, NULL);
1423 #endif
1424         dev_drv->ops->cfg_done(dev_drv);
1425         return 0;
1426 }
1427
1428 static int rk_fb_get_list_stat(struct rk_lcdc_driver *dev_drv)
1429 {
1430         int i, j;
1431
1432         i = list_empty(&dev_drv->update_regs_list);
1433         j = list_empty(&saved_list);
1434         return i == j ? 0 : 1;
1435 }
1436
1437 void rk_fd_fence_wait(struct rk_lcdc_driver *dev_drv, struct sync_fence *fence)
1438 {
1439         int err = sync_fence_wait(fence, 1000);
1440
1441         if (err >= 0)
1442                 return;
1443
1444         if (err == -ETIME)
1445                 err = sync_fence_wait(fence, 10 * MSEC_PER_SEC);
1446
1447         if (err < 0)
1448                 printk("error waiting on fence\n");
1449 }
1450 #if 0
1451 static int rk_fb_copy_from_loader(struct fb_info *info)
1452 {
1453         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1454         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1455         void *dst = info->screen_base;
1456         u32 dsp_addr[4];
1457         u32 src;
1458         u32 i,size;
1459         int win_id;
1460         struct rk_lcdc_win *win;
1461
1462         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1463         win = dev_drv->win[win_id];
1464         size = (win->area[0].xact) * (win->area[0].yact) << 2;
1465         dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1466         src = dsp_addr[win_id];
1467         dev_info(info->dev, "copy fb data %d x %d  from  dst_addr:%08x\n",
1468                  win->area[0].xact, win->area[0].yact, src);
1469         for (i = 0; i < size; i += PAGE_SIZE) {
1470                 void *page = phys_to_page(i + src);
1471                 void *from_virt = kmap(page);
1472                 void *to_virt = dst + i;
1473                 memcpy(to_virt, from_virt, PAGE_SIZE);
1474         }
1475         dev_drv->ops->direct_set_addr(dev_drv, win_id,
1476                                       info->fix.smem_start);
1477         return 0;
1478 }
1479 #endif
1480 #ifdef CONFIG_ROCKCHIP_IOMMU
1481 static int g_last_addr[4];
1482 int g_last_timeout;
1483 u32 freed_addr[10];
1484 u32 freed_index;
1485
1486 #define DUMP_CHUNK 256
1487 char buf[PAGE_SIZE];
1488
1489 int rk_fb_sysmmu_fault_handler(struct device *dev,
1490                                enum rk_iommu_inttype itype,
1491                                unsigned long pgtable_base,
1492                                unsigned long fault_addr, unsigned int status)
1493 {
1494         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
1495         int i = 0;
1496         static int page_fault_cnt;
1497         if ((page_fault_cnt++) >= 10)
1498                 return 0;
1499         pr_err
1500             ("PAGE FAULT occurred at 0x%lx (Page table base: 0x%lx),status=%d\n",
1501              fault_addr, pgtable_base, status);
1502         printk("last config addr:\n" "win0:0x%08x\n" "win1:0x%08x\n"
1503                "win2:0x%08x\n" "win3:0x%08x\n", g_last_addr[0], g_last_addr[1],
1504                g_last_addr[2], g_last_addr[3]);
1505         printk("last freed buffer:\n");
1506         for (i = 0; (freed_addr[i] != 0xfefefefe) && freed_addr[i]; i++)
1507                 printk("%d:0x%08x\n", i, freed_addr[i]);
1508         printk("last timeout:%d\n", g_last_timeout);
1509         dev_drv->ops->get_disp_info(dev_drv, buf, 0);
1510         for (i = 0; i < PAGE_SIZE; i += DUMP_CHUNK) {
1511                 if ((PAGE_SIZE - i) > DUMP_CHUNK) {
1512                         char c = buf[i + DUMP_CHUNK];
1513                         buf[i + DUMP_CHUNK] = 0;
1514                         pr_cont("%s", buf + i);
1515                         buf[i + DUMP_CHUNK] = c;
1516                 } else {
1517                         buf[PAGE_SIZE - 1] = 0;
1518                         pr_cont("%s", buf + i);
1519                 }
1520         }
1521
1522         return 0;
1523 }
1524 #endif
1525
1526 void rk_fb_free_dma_buf(struct rk_lcdc_driver *dev_drv,
1527                         struct rk_fb_reg_win_data *reg_win_data)
1528 {
1529         int i, index_buf;
1530         struct rk_fb_reg_area_data *area_data;
1531         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1532 #if defined(CONFIG_ROCKCHIP_IOMMU)
1533         struct rk_lcdc_driver *ext_dev_drv = rk_get_extend_lcdc_drv();
1534 #endif
1535
1536         for (i = 0; i < reg_win_data->area_num; i++) {
1537                 area_data = &reg_win_data->reg_area_data[i];
1538                 index_buf = area_data->index_buf;
1539 #if defined(CONFIG_ROCKCHIP_IOMMU)
1540                 if (dev_drv->iommu_enabled) {
1541                         if (rk_fb->disp_policy != DISPLAY_POLICY_BOX)
1542                         ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client,
1543                                         area_data->ion_handle);
1544                         freed_addr[freed_index++] = area_data->smem_start;
1545                 }
1546                 if (rk_fb->disp_mode == DUAL && hdmi_switch_complete) {
1547                         if (ext_dev_drv->iommu_enabled)
1548                                 ion_unmap_iommu(ext_dev_drv->dev,
1549                                                 rk_fb->ion_client,
1550                                                 area_data->ion_handle);
1551                 }
1552 #endif
1553                 if (area_data->ion_handle != NULL) {
1554                         ion_unmap_kernel(rk_fb->ion_client,
1555                                          area_data->ion_handle);
1556                         ion_free(rk_fb->ion_client, area_data->ion_handle);
1557                 }
1558                 if (area_data->acq_fence)
1559                         sync_fence_put(area_data->acq_fence);
1560         }
1561         memset(reg_win_data, 0, sizeof(struct rk_fb_reg_win_data));
1562 }
1563
1564 /*
1565  * function: update extend win info acorrding to primary win info,
1566         the function is only used for dual display mode
1567  * @ext_dev_drv: the extend lcdc driver
1568  * @dev_drv: the primary lcdc driver
1569  * @ext_win: the lcdc win info of extend screen
1570  * @win: the lcdc win info of primary screen
1571  */
1572 static int rk_fb_update_ext_win(struct rk_lcdc_driver *ext_dev_drv,
1573                                      struct rk_lcdc_driver *dev_drv,
1574                                      struct rk_lcdc_win *ext_win,
1575                                      struct rk_lcdc_win *win)
1576 {
1577         struct rk_screen *screen = dev_drv->cur_screen;
1578         struct rk_screen *ext_screen = ext_dev_drv->cur_screen;
1579         int hdmi_xsize = ext_screen->xsize;
1580         int hdmi_ysize = ext_screen->ysize;
1581         int pixel_width, vir_width_bit, y_stride;
1582         bool is_yuv = false;
1583         int rotate_mode = 0;
1584
1585         if (unlikely(!dev_drv) || unlikely(!ext_dev_drv) ||
1586             unlikely(!ext_win) || unlikely(!win))
1587                 return -1;
1588
1589         rotate_mode = ext_dev_drv->rotate_mode;
1590
1591         if (ext_win->state == 0) {
1592                 dev_info(ext_dev_drv->dev, "extend lcdc win is closed\n");
1593                 return 0;
1594         }
1595
1596         ext_win->area[0].state = win->area[0].state;
1597         ext_win->area_num = win->area_num;
1598         ext_win->format = win->format;
1599         ext_win->fmt_10 = win->fmt_10;
1600         ext_win->z_order = win->z_order;
1601         ext_win->alpha_en = win->alpha_en;
1602         ext_win->alpha_mode = win->alpha_mode;
1603         ext_win->g_alpha_val = win->g_alpha_val;
1604
1605         switch (ext_win->format) {
1606         case YUV422:
1607         case YUV420:
1608         case YUV444:
1609         case YUV422_A:
1610         case YUV420_A:
1611         case YUV444_A:
1612                 is_yuv = true;
1613                 break;
1614         default:
1615                 is_yuv = false;
1616                 break;
1617         }
1618
1619         if (rotate_mode == ROTATE_90 || rotate_mode == ROTATE_270) {
1620                 ext_win->area[0].xact = win->area[0].yact;
1621                 ext_win->area[0].yact = win->area[0].xact;
1622                 ext_win->area[0].xvir = win->area[0].yact;
1623                 ext_win->area[0].yvir = win->area[0].xact;
1624
1625                 pixel_width = rk_fb_pixel_width(ext_win->format);
1626                 vir_width_bit = pixel_width * ext_win->area[0].xvir;
1627                 y_stride = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
1628                 ext_win->area[0].y_vir_stride = y_stride >> 2;
1629                 if (is_yuv)
1630                         ext_win->area[0].uv_vir_stride = ext_win->area[0].y_vir_stride;
1631                 else
1632                         ext_win->area[0].uv_vir_stride = 0;
1633         } else {
1634                 ext_win->area[0].xact = win->area[0].xact;
1635                 ext_win->area[0].yact = win->area[0].yact;
1636                 if (win->area[0].xvir == 0)
1637                         ext_win->area[0].xvir = win->area[0].xact;
1638                 else
1639                         ext_win->area[0].xvir = win->area[0].xvir;
1640                 if (win->area[0].yvir == 0)
1641                         ext_win->area[0].yvir = win->area[0].yact;
1642                 else
1643                         ext_win->area[0].yvir = win->area[0].yvir;
1644                 ext_win->area[0].y_vir_stride = win->area[0].y_vir_stride;
1645                 if (is_yuv)
1646                         ext_win->area[0].uv_vir_stride = win->area[0].uv_vir_stride;
1647                 else
1648                         ext_win->area[0].uv_vir_stride = 0;
1649         }
1650
1651         if (win->area[0].xpos != 0 || win->area[0].ypos != 0) {
1652                 if (rotate_mode == ROTATE_270) {
1653                         int xbom_pos = 0, ybom_pos = 0;
1654                         int xtop_pos = 0, ytop_pos = 0;
1655
1656                         ext_win->area[0].xsize =
1657                                 hdmi_xsize * win->area[0].ysize / screen->mode.yres;
1658                         ext_win->area[0].ysize =
1659                                 hdmi_ysize * win->area[0].xsize / screen->mode.xres;
1660                         xbom_pos =
1661                                 hdmi_xsize * win->area[0].ypos / screen->mode.yres;
1662                         ybom_pos = hdmi_ysize * win->area[0].xpos / screen->mode.xres;
1663                         xtop_pos = hdmi_xsize - ext_win->area[0].xsize - xbom_pos;
1664                         ytop_pos = hdmi_ysize - ext_win->area[0].ysize - ybom_pos;
1665                         ext_win->area[0].xpos =
1666                                 ((ext_screen->mode.xres - hdmi_xsize) >> 1) + xtop_pos;
1667                         ext_win->area[0].ypos =
1668                                 ((ext_screen->mode.yres - hdmi_ysize) >> 1) + ytop_pos;
1669                 } else if (rotate_mode == ROTATE_90) {
1670                         ext_win->area[0].xsize =
1671                                 hdmi_xsize * win->area[0].ysize / screen->mode.yres;
1672                         ext_win->area[0].ysize =
1673                                 hdmi_ysize * win->area[0].xsize / screen->mode.xres;
1674                         ext_win->area[0].xpos =
1675                                 ((ext_screen->mode.xres - hdmi_xsize) >> 1) +
1676                                 hdmi_xsize * win->area[0].ypos / screen->mode.yres;
1677                         ext_win->area[0].ypos =
1678                                 ((ext_screen->mode.yres - hdmi_ysize) >> 1) +
1679                                 hdmi_ysize * win->area[0].xpos / screen->mode.xres;
1680                 } else {
1681                         ext_win->area[0].xsize =
1682                                 hdmi_xsize * win->area[0].xsize / screen->mode.xres;
1683                         ext_win->area[0].ysize =
1684                                 hdmi_ysize * win->area[0].ysize / screen->mode.yres;
1685                         ext_win->area[0].xpos =
1686                                 ((ext_screen->mode.xres - hdmi_xsize) >> 1) +
1687                                 hdmi_xsize * win->area[0].xpos / screen->mode.xres;
1688                         ext_win->area[0].ypos =
1689                                 ((ext_screen->mode.yres - hdmi_ysize) >> 1) +
1690                                 hdmi_ysize * win->area[0].ypos / screen->mode.yres;
1691                 }
1692         } else {
1693                 ext_win->area[0].xsize = hdmi_xsize;
1694                 ext_win->area[0].ysize = hdmi_ysize;
1695                 ext_win->area[0].xpos =
1696                         (ext_screen->mode.xres - hdmi_xsize) >> 1;
1697                 ext_win->area[0].ypos =
1698                         (ext_screen->mode.yres - hdmi_ysize) >> 1;
1699         }
1700
1701         return 0;
1702 }
1703
1704 static void rk_fb_update_win(struct rk_lcdc_driver *dev_drv,
1705                                 struct rk_lcdc_win *win,
1706                                 struct rk_fb_reg_win_data *reg_win_data)
1707 {
1708         int i = 0;
1709         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
1710         struct rk_screen *cur_screen;
1711         struct rk_screen primary_screen;
1712
1713         if (unlikely(!inf) || unlikely(!dev_drv) ||
1714             unlikely(!win) || unlikely(!reg_win_data))
1715                 return;
1716
1717         cur_screen = dev_drv->cur_screen;
1718         rk_fb_get_prmry_screen(&primary_screen);
1719
1720         win->area_num = reg_win_data->area_num;
1721         win->format = reg_win_data->data_format;
1722         win->id = reg_win_data->win_id;
1723         win->z_order = reg_win_data->z_order;
1724
1725         if (reg_win_data->reg_area_data[0].smem_start > 0) {
1726                 win->state = 1;
1727                 win->area_num = reg_win_data->area_num;
1728                 win->format = reg_win_data->data_format;
1729                 win->id = reg_win_data->win_id;
1730                 win->z_order = reg_win_data->z_order;
1731                 win->area[0].uv_vir_stride =
1732                     reg_win_data->reg_area_data[0].uv_vir_stride;
1733                 win->area[0].cbr_start =
1734                     reg_win_data->reg_area_data[0].cbr_start;
1735                 win->area[0].c_offset = reg_win_data->reg_area_data[0].c_offset;
1736                 win->alpha_en = reg_win_data->alpha_en;
1737                 win->alpha_mode = reg_win_data->alpha_mode;
1738                 win->g_alpha_val = reg_win_data->g_alpha_val;
1739                 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
1740                         if (reg_win_data->reg_area_data[i].smem_start > 0) {
1741                                 if (inf->disp_policy != DISPLAY_POLICY_BOX)
1742                                         win->area[i].ion_hdl =
1743                                         reg_win_data->reg_area_data[i].ion_handle;
1744                                 win->area[i].smem_start =
1745                                         reg_win_data->reg_area_data[i].smem_start;
1746                                 if (inf->disp_mode == DUAL ||
1747                                     inf->disp_policy == DISPLAY_POLICY_BOX) {
1748                                         win->area[i].xpos =
1749                                                 reg_win_data->reg_area_data[i].xpos;
1750                                         win->area[i].ypos =
1751                                                 reg_win_data->reg_area_data[i].ypos;
1752                                         win->area[i].xsize =
1753                                                 reg_win_data->reg_area_data[i].xsize;
1754                                         win->area[i].ysize =
1755                                                 reg_win_data->reg_area_data[i].ysize;
1756                                 } else {
1757                                         win->area[i].xpos =
1758                                                 reg_win_data->reg_area_data[i].xpos *
1759                                                 cur_screen->mode.xres /
1760                                                 primary_screen.mode.xres;
1761                                         win->area[i].ypos =
1762                                                 reg_win_data->reg_area_data[i].ypos *
1763                                                 cur_screen->mode.yres /
1764                                                 primary_screen.mode.yres;
1765                                         win->area[i].xsize =
1766                                                 reg_win_data->reg_area_data[i].xsize *
1767                                                 cur_screen->mode.xres /
1768                                                 primary_screen.mode.xres;
1769                                         win->area[i].ysize =
1770                                                 reg_win_data->reg_area_data[i].ysize *
1771                                                 cur_screen->mode.yres /
1772                                                 primary_screen.mode.yres;
1773                                 }
1774                                 win->area[i].xact =
1775                                     reg_win_data->reg_area_data[i].xact;
1776                                 win->area[i].yact =
1777                                     reg_win_data->reg_area_data[i].yact;
1778                                 win->area[i].xvir =
1779                                     reg_win_data->reg_area_data[i].xvir;
1780                                 win->area[i].yvir =
1781                                     reg_win_data->reg_area_data[i].yvir;
1782                                 win->area[i].y_offset =
1783                                     reg_win_data->reg_area_data[i].y_offset;
1784                                 win->area[i].y_vir_stride =
1785                                     reg_win_data->reg_area_data[i].y_vir_stride;
1786                                 win->area[i].state = 1;
1787                         } else {
1788                                 win->area[i].state = 0;
1789                         }
1790                 }
1791         } else {
1792         /*
1793                 win->state = 0;
1794                 win->z_order = -1;
1795         */
1796         }
1797 }
1798
1799 static struct rk_fb_reg_win_data *rk_fb_get_win_data(struct rk_fb_reg_data
1800                                                      *regs, int win_id)
1801 {
1802         int i;
1803         struct rk_fb_reg_win_data *win_data = NULL;
1804         for (i = 0; i < regs->win_num; i++) {
1805                 if (regs->reg_win_data[i].win_id == win_id) {
1806                         win_data = &(regs->reg_win_data[i]);
1807                         break;
1808                 }
1809         }
1810
1811         return win_data;
1812 }
1813
1814 static void rk_fb_update_reg(struct rk_lcdc_driver *dev_drv,
1815                              struct rk_fb_reg_data *regs)
1816 {
1817         int i, j;
1818         struct rk_lcdc_win *win;
1819         ktime_t timestamp = dev_drv->vsync_info.timestamp;
1820         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1821         struct rk_lcdc_driver *ext_dev_drv;
1822         struct rk_lcdc_win *ext_win;
1823         struct rk_fb_reg_win_data *win_data;
1824         bool wait_for_vsync;
1825         int count = 100;
1826         unsigned int dsp_addr[4];
1827         long timeout;
1828
1829         /* acq_fence wait */
1830         for (i = 0; i < regs->win_num; i++) {
1831                 win_data = &regs->reg_win_data[i];
1832                 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1833                         if (win_data->reg_area_data[j].acq_fence) {
1834                                 /* printk("acq_fence wait!!!!!\n"); */
1835                                 rk_fd_fence_wait(dev_drv, win_data->reg_area_data[j].acq_fence);
1836                         }
1837                 }
1838         }
1839
1840         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1841                 win = dev_drv->win[i];
1842                 win_data = rk_fb_get_win_data(regs, i);
1843                 if (win_data) {
1844                         if (rk_fb->disp_policy == DISPLAY_POLICY_BOX &&
1845                              win_data->data_format == YUV420)
1846                                 continue;
1847                         rk_fb_update_win(dev_drv, win, win_data);
1848                         win->state = 1;
1849                         dev_drv->ops->set_par(dev_drv, i);
1850                         dev_drv->ops->pan_display(dev_drv, i);
1851 #if defined(CONFIG_ROCKCHIP_IOMMU)
1852                         if (dev_drv->iommu_enabled) {
1853                                 g_last_addr[i] = win_data->reg_area_data[0].smem_start +
1854                                         win_data->reg_area_data[0].y_offset;
1855                         }
1856 #endif
1857                 } else {
1858                         win->z_order = -1;
1859                         win->state = 0;
1860                 }
1861         }
1862         dev_drv->ops->ovl_mgr(dev_drv, 0, 1);
1863         if (rk_fb->disp_policy == DISPLAY_POLICY_BOX)
1864                 dev_drv->ops->cfg_done(dev_drv);
1865         if ((rk_fb->disp_mode == DUAL)
1866             && (hdmi_get_hotplug() == HDMI_HPD_ACTIVED)
1867             && hdmi_switch_complete) {
1868                 ext_dev_drv = rk_get_extend_lcdc_drv();
1869                 if (!ext_dev_drv) {
1870                         printk(KERN_ERR "hdmi lcdc driver not found!\n");
1871                         goto ext_win_exit;
1872                 }
1873
1874                 /*
1875                   * For RK3288: win0 and win1 have only one area and support scale
1876                   * but win2 and win3 don't support scale
1877                   * so hdmi only use win0 or win1
1878                   */
1879                 for (i = 0; i < 2; i++) {
1880                         win = dev_drv->win[i];
1881                         ext_win = ext_dev_drv->win[i];
1882                         ext_win->state = win->state;
1883                         ext_win->id = win->id;
1884                         if (!ext_win->state)
1885                                 continue;
1886                         rk_fb_update_ext_win(ext_dev_drv, dev_drv, ext_win, win);
1887                         rk_fb_set_ext_win_buffer(ext_win, win,
1888                                                  ext_dev_drv->rotate_mode,
1889                                                  ext_dev_drv->iommu_enabled);
1890
1891                         if (ext_dev_drv->rotate_mode > X_Y_MIRROR)
1892                                 rk_fb_win_rotate(ext_win, win,
1893                                                  ext_dev_drv->rotate_mode,
1894                                                  ext_dev_drv->iommu_enabled);
1895
1896                         ext_dev_drv->ops->set_par(ext_dev_drv, i);
1897                         ext_dev_drv->ops->pan_display(ext_dev_drv, i);
1898                 }
1899
1900                 ext_dev_drv->ops->cfg_done(ext_dev_drv);
1901         }
1902 ext_win_exit:
1903         dev_drv->ops->cfg_done(dev_drv);
1904
1905         do {
1906                 timestamp = dev_drv->vsync_info.timestamp;
1907                 timeout = wait_event_interruptible_timeout(dev_drv->vsync_info.wait,
1908                                 ktime_compare(dev_drv->vsync_info.timestamp, timestamp) > 0,
1909                                 msecs_to_jiffies(25));
1910                 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1911                 wait_for_vsync = false;
1912                 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1913                         if (dev_drv->win[i]->state == 1) {
1914                                 if (rk_fb->disp_policy == DISPLAY_POLICY_BOX &&
1915                                     (dev_drv->win[i]->format == YUV420 ||
1916                                      !strcmp(dev_drv->win[i]->name, "hwc"))) {
1917                                         continue;
1918                                 } else {
1919                                         u32 new_start =
1920                                             dev_drv->win[i]->area[0].smem_start +
1921                                             dev_drv->win[i]->area[0].y_offset;
1922                                         u32 reg_start = dsp_addr[i];
1923
1924                                         if (rk_fb->disp_policy == DISPLAY_POLICY_BOX &&
1925                                             new_start==0x0)
1926                                                 continue;
1927                                         if (unlikely(new_start != reg_start)) {
1928                                                 wait_for_vsync = true;
1929                                                 dev_info(dev_drv->dev,
1930                                                        "win%d:new_addr:0x%08x cur_addr:0x%08x--%d\n",
1931                                                        i, new_start, reg_start, 101 - count);
1932                                                 break;
1933                                         }
1934                                 }
1935                         }
1936                 }
1937         } while (wait_for_vsync && count--);
1938 #ifdef H_USE_FENCE
1939         sw_sync_timeline_inc(dev_drv->timeline, 1);
1940 #endif
1941         if (!g_first_buf) {
1942 #if defined(CONFIG_ROCKCHIP_IOMMU)
1943                 if (dev_drv->iommu_enabled) {
1944                         freed_index = 0;
1945                         g_last_timeout = timeout;
1946                 }
1947 #endif
1948                 for (i = 0; i < g_last_win_num; i++)
1949                         rk_fb_free_dma_buf(dev_drv, &g_reg_win_data[i]);
1950
1951 #if defined(CONFIG_ROCKCHIP_IOMMU)
1952                 if (dev_drv->iommu_enabled)
1953                         freed_addr[freed_index] = 0xfefefefe;
1954 #endif
1955         }
1956         for (i = 0; i < regs->win_num; i++) {
1957                 memcpy(&g_reg_win_data[i], &(regs->reg_win_data[i]),
1958                        sizeof(struct rk_fb_reg_win_data));
1959         }
1960         g_last_win_num = regs->win_num;
1961         g_first_buf = 0;
1962 }
1963
1964 static void rk_fb_update_regs_handler(struct kthread_work *work)
1965 {
1966         struct rk_lcdc_driver *dev_drv =
1967             container_of(work, struct rk_lcdc_driver, update_regs_work);
1968         struct rk_fb_reg_data *data, *next;
1969         /* struct list_head saved_list; */
1970
1971         mutex_lock(&dev_drv->update_regs_list_lock);
1972         saved_list = dev_drv->update_regs_list;
1973         list_replace_init(&dev_drv->update_regs_list, &saved_list);
1974         mutex_unlock(&dev_drv->update_regs_list_lock);
1975
1976         list_for_each_entry_safe(data, next, &saved_list, list) {
1977                 rk_fb_update_reg(dev_drv, data);
1978                 list_del(&data->list);
1979                 kfree(data);
1980         }
1981
1982         if (dev_drv->wait_fs && list_empty(&dev_drv->update_regs_list))
1983                 wake_up(&dev_drv->update_regs_wait);
1984 }
1985
1986 static int rk_fb_check_config_var(struct rk_fb_area_par *area_par,
1987                                   struct rk_screen *screen)
1988 {
1989         if ((area_par->x_offset + area_par->xact > area_par->xvir) ||
1990             (area_par->xact <= 0) || (area_par->yact <= 0) ||
1991             (area_par->xvir <= 0) || (area_par->yvir <= 0)) {
1992                 pr_err("check config var fail 0:\n"
1993                        "x_offset=%d,xact=%d,xvir=%d\n",
1994                        area_par->x_offset, area_par->xact, area_par->xvir);
1995                 return -EINVAL;
1996         }
1997
1998         if ((area_par->xpos + area_par->xsize > screen->mode.xres) ||
1999             (area_par->ypos + area_par->ysize > screen->mode.yres) ||
2000             (area_par->xsize <= 0) || (area_par->ysize <= 0)) {
2001                 pr_err("check config var fail 1:\n"
2002                        "xpos=%d,xsize=%d,xres=%d\n"
2003                        "ypos=%d,ysize=%d,yres=%d\n",
2004                        area_par->xpos, area_par->xsize, screen->mode.xres,
2005                        area_par->ypos, area_par->ysize, screen->mode.yres);
2006                 return -EINVAL;
2007         }
2008         return 0;
2009 }
2010
2011 static int rk_fb_set_win_buffer(struct fb_info *info,
2012                                 struct rk_fb_win_par *win_par,
2013                                 struct rk_fb_reg_win_data *reg_win_data)
2014 {
2015         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2016         struct fb_fix_screeninfo *fix = &info->fix;
2017         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2018         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2019         struct rk_screen *screen = dev_drv->cur_screen;
2020         struct rk_screen primary_screen;
2021         struct fb_info *fbi = rk_fb->fb[0];
2022         int i, ion_fd, acq_fence_fd;
2023         u32 xvir, yvir;
2024         u32 xoffset, yoffset;
2025
2026         struct ion_handle *hdl;
2027         size_t len;
2028         int index_buf;
2029         u8 fb_data_fmt;
2030         u8 pixel_width;
2031         u32 vir_width_bit;
2032         u32 stride, uv_stride;
2033         u32 stride_32bit_1;
2034         u32 stride_32bit_2;
2035         u16 uv_x_off, uv_y_off, uv_y_act;
2036         u8 is_pic_yuv = 0;
2037         u8 ppixel_a = 0, global_a = 0;
2038         ion_phys_addr_t phy_addr;
2039         int ret = 0;
2040
2041         reg_win_data->reg_area_data[0].smem_start = -1;
2042         reg_win_data->area_num = 0;
2043         fbi = rk_fb->fb[reg_win_data->win_id];
2044         if (win_par->area_par[0].phy_addr == 0) {
2045                 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
2046                         ion_fd = win_par->area_par[i].ion_fd;
2047                         if (ion_fd > 0) {
2048                                 hdl =
2049                                     ion_import_dma_buf(rk_fb->ion_client,
2050                                                        ion_fd);
2051                                 if (IS_ERR(hdl)) {
2052                                         pr_info
2053                                             ("%s: Could not import handle: %d\n",
2054                                              __func__, (int)hdl);
2055                                         /*return -EINVAL; */
2056                                         break;
2057                                 }
2058                                 fbi->screen_base =
2059                                     ion_map_kernel(rk_fb->ion_client, hdl);
2060                                 reg_win_data->area_num++;
2061                                 reg_win_data->reg_area_data[i].ion_handle = hdl;
2062 #ifndef CONFIG_ROCKCHIP_IOMMU
2063                                 ret = ion_phys(rk_fb->ion_client, hdl, &phy_addr,
2064                                                 &len);
2065 #else
2066                                 if (dev_drv->iommu_enabled)
2067                                         ret = ion_map_iommu(dev_drv->dev,
2068                                                                 rk_fb->ion_client,
2069                                                                 hdl,
2070                                                                 (unsigned long *)&phy_addr,
2071                                                                 (unsigned long *)&len);
2072                                 else
2073                                         ret = ion_phys(rk_fb->ion_client, hdl,
2074                                                         &phy_addr, &len);
2075 #endif
2076                                 if (ret < 0) {
2077                                         dev_err(fbi->dev, "ion map to get phy addr failed\n");
2078                                         ion_free(rk_fb->ion_client, hdl);
2079                                         return -ENOMEM;
2080                                 }
2081                                 reg_win_data->reg_area_data[i].smem_start = phy_addr;
2082                                 reg_win_data->area_buf_num++;
2083                                 reg_win_data->reg_area_data[i].index_buf = 1;
2084                         }
2085                 }
2086         } else {
2087                 reg_win_data->reg_area_data[0].smem_start =
2088                     win_par->area_par[0].phy_addr;
2089                 reg_win_data->area_num = 1;
2090                 fbi->screen_base = phys_to_virt(win_par->area_par[0].phy_addr);
2091         }
2092
2093         if (reg_win_data->area_num == 0)
2094                 return 0;
2095
2096         for (i = 0; i < reg_win_data->area_num; i++) {
2097                 acq_fence_fd = win_par->area_par[i].acq_fence_fd;
2098                 index_buf = reg_win_data->reg_area_data[i].index_buf;
2099                 if ((acq_fence_fd > 0) && (index_buf == 1)) {
2100                         reg_win_data->reg_area_data[i].acq_fence =
2101                             sync_fence_fdget(win_par->area_par[i].acq_fence_fd);
2102                 }
2103         }
2104         fb_data_fmt = rk_fb_data_fmt(win_par->data_format, 0);
2105         reg_win_data->data_format = fb_data_fmt;
2106         pixel_width = rk_fb_pixel_width(fb_data_fmt);
2107
2108         ppixel_a = ((fb_data_fmt == ARGB888) ||
2109                     (fb_data_fmt == ABGR888)) ? 1 : 0;
2110         global_a = (win_par->g_alpha_val == 0) ? 0 : 1;
2111         reg_win_data->alpha_en = ppixel_a | global_a;
2112         reg_win_data->g_alpha_val = win_par->g_alpha_val;
2113         reg_win_data->alpha_mode = win_par->alpha_mode;
2114         if (reg_win_data->reg_area_data[0].smem_start > 0) {
2115                 reg_win_data->z_order = win_par->z_order;
2116                 reg_win_data->win_id = win_par->win_id;
2117         } else {
2118                 reg_win_data->z_order = -1;
2119                 reg_win_data->win_id = -1;
2120         }
2121
2122         rk_fb_get_prmry_screen(&primary_screen);
2123         for (i = 0; i < reg_win_data->area_num; i++) {
2124                 if (rk_fb->disp_policy == DISPLAY_POLICY_BOX)
2125                         rk_fb_check_config_var(&win_par->area_par[i], screen);
2126                 else
2127                         rk_fb_check_config_var(&win_par->area_par[i], &primary_screen);
2128                 /* visiable pos in panel */
2129                 reg_win_data->reg_area_data[i].xpos = win_par->area_par[i].xpos;
2130                 reg_win_data->reg_area_data[i].ypos = win_par->area_par[i].ypos;
2131
2132                 /* realy size in panel */
2133                 reg_win_data->reg_area_data[i].xsize = win_par->area_par[i].xsize;
2134                 reg_win_data->reg_area_data[i].ysize = win_par->area_par[i].ysize;
2135
2136                 /* realy size in panel */
2137                 reg_win_data->reg_area_data[i].xact = win_par->area_par[i].xact;
2138                 reg_win_data->reg_area_data[i].yact = win_par->area_par[i].yact;
2139
2140                 xoffset = win_par->area_par[i].x_offset;        /* buf offset */
2141                 yoffset = win_par->area_par[i].y_offset;
2142                 xvir = win_par->area_par[i].xvir;
2143                 reg_win_data->reg_area_data[i].xvir = xvir;
2144                 yvir = win_par->area_par[i].yvir;
2145                 reg_win_data->reg_area_data[i].yvir = yvir;
2146
2147                 vir_width_bit = pixel_width * xvir;
2148                 /* pixel_width = byte_num*8 */
2149                 stride_32bit_1 = ((vir_width_bit + 31) & (~31)) / 8;
2150                 stride_32bit_2 = ((vir_width_bit * 2 + 31) & (~31)) / 8;
2151
2152                 stride = stride_32bit_1;        /* default rgb */
2153                 fix->line_length = stride;
2154                 reg_win_data->reg_area_data[i].y_vir_stride = stride >> 2;
2155
2156                 /* x y mirror ,jump line
2157                  * reg_win_data->reg_area_data[i].y_offset =
2158                  *              yoffset*stride+xoffset*pixel_width/8;
2159                  */
2160                 if (screen->y_mirror == 1) {
2161                         if (screen->interlace == 1) {
2162                                 reg_win_data->reg_area_data[i].y_offset =
2163                                     yoffset * stride * 2 +
2164                                     ((reg_win_data->reg_area_data[i].yact - 1) * 2 + 1) * stride +
2165                                     xoffset * pixel_width / 8;
2166                         } else {
2167                                 reg_win_data->reg_area_data[i].y_offset =
2168                                     yoffset * stride +
2169                                     (reg_win_data->reg_area_data[i].yact - 1) * stride +
2170                                     xoffset * pixel_width / 8;
2171                         }
2172                 } else {
2173                         if (screen->interlace == 1) {
2174                                 reg_win_data->reg_area_data[i].y_offset =
2175                                     yoffset * stride * 2 +
2176                                     xoffset * pixel_width / 8;
2177                         } else {
2178                                 reg_win_data->reg_area_data[i].y_offset =
2179                                     yoffset * stride +
2180                                     xoffset * pixel_width / 8;
2181                         }
2182                 }
2183         }
2184         switch (fb_data_fmt) {
2185         case YUV422:
2186         case YUV422_A:
2187                 is_pic_yuv = 1;
2188                 stride = stride_32bit_1;
2189                 uv_stride = stride_32bit_1 >> 1;
2190                 uv_x_off = xoffset >> 1;
2191                 uv_y_off = yoffset;
2192                 fix->line_length = stride;
2193                 uv_y_act = win_par->area_par[0].yact >> 1;
2194                 break;
2195         case YUV420:            /* 420sp */
2196         case YUV420_A:
2197                 is_pic_yuv = 1;
2198                 stride = stride_32bit_1;
2199                 uv_stride = stride_32bit_1;
2200                 uv_x_off = xoffset;
2201                 uv_y_off = yoffset >> 1;
2202                 fix->line_length = stride;
2203                 uv_y_act = win_par->area_par[0].yact >> 1;
2204                 break;
2205         case YUV444:
2206         case YUV444_A:
2207                 is_pic_yuv = 1;
2208                 stride = stride_32bit_1;
2209                 uv_stride = stride_32bit_2;
2210                 uv_x_off = xoffset * 2;
2211                 uv_y_off = yoffset;
2212                 fix->line_length = stride << 2;
2213                 uv_y_act = win_par->area_par[0].yact;
2214                 break;
2215         default:
2216                 break;
2217         }
2218         if (is_pic_yuv == 1) {
2219                 reg_win_data->reg_area_data[0].cbr_start =
2220                     reg_win_data->reg_area_data[0].smem_start + xvir * yvir;
2221                 reg_win_data->reg_area_data[0].uv_vir_stride = uv_stride >> 2;
2222                 if (screen->y_mirror == 1) {
2223                         if (screen->interlace == 1) {
2224                                 reg_win_data->reg_area_data[0].c_offset =
2225                                     uv_y_off * uv_stride * 2 +
2226                                     ((uv_y_act - 1) * 2 + 1) * uv_stride +
2227                                     uv_x_off * pixel_width / 8;
2228                         } else {
2229                                 reg_win_data->reg_area_data[0].c_offset =
2230                                     uv_y_off * uv_stride +
2231                                     (uv_y_act - 1) * uv_stride +
2232                                     uv_x_off * pixel_width / 8;
2233                         }
2234                 } else {
2235                         if (screen->interlace == 1) {
2236                                 reg_win_data->reg_area_data[0].c_offset =
2237                                     uv_y_off * uv_stride * 2 +
2238                                     uv_x_off * pixel_width / 8;
2239                         } else {
2240                                 reg_win_data->reg_area_data[0].c_offset =
2241                                     uv_y_off * uv_stride +
2242                                     uv_x_off * pixel_width / 8;
2243                         }
2244                 }
2245         }
2246         return 0;
2247 }
2248
2249 static int rk_fb_set_win_config(struct fb_info *info,
2250                                 struct rk_fb_win_cfg_data *win_data)
2251 {
2252         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2253         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2254         struct rk_fb_reg_data *regs;
2255 #ifdef H_USE_FENCE
2256         struct sync_fence *release_fence[RK_MAX_BUF_NUM];
2257         struct sync_fence *retire_fence;
2258         struct sync_pt *release_sync_pt[RK_MAX_BUF_NUM];
2259         struct sync_pt *retire_sync_pt;
2260         char fence_name[20];
2261 #endif
2262         int ret = 0, i, j = 0;
2263         int list_is_empty = 0;
2264
2265         regs = kzalloc(sizeof(struct rk_fb_reg_data), GFP_KERNEL);
2266         if (!regs) {
2267                 printk(KERN_INFO "could not allocate rk_fb_reg_data\n");
2268                 ret = -ENOMEM;
2269                 return ret;
2270         }
2271
2272 /*
2273         regs->post_cfg.xpos = win_data->post_cfg.xpos;
2274         regs->post_cfg.ypos = win_data->post_cfg.ypos;
2275         regs->post_cfg.xsize = win_data->post_cfg.xsize;
2276         regs->post_cfg.ysize = win_data->post_cfg.xsize;
2277 */
2278
2279         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
2280                 if (win_data->win_par[i].win_id < dev_drv->lcdc_win_num) {
2281                         if (rk_fb_set_win_buffer(info, &win_data->win_par[i],
2282                                                         &regs->reg_win_data[j]))
2283                                 return -ENOMEM;
2284                         if (regs->reg_win_data[j].area_num > 0) {
2285                                 regs->win_num++;
2286                                 regs->buf_num +=
2287                                     regs->reg_win_data[j].area_buf_num;
2288                         }
2289                         j++;
2290                 } else {
2291                         printk(KERN_INFO "error:win_id bigger than lcdc_win_num\n");
2292                         printk(KERN_INFO "i=%d,win_id=%d\n", i,
2293                                win_data->win_par[i].win_id);
2294                 }
2295         }
2296
2297         mutex_lock(&dev_drv->output_lock);
2298         if (!(dev_drv->suspend_flag == 0)) {
2299                 rk_fb_update_reg(dev_drv, regs);
2300                 kfree(regs);
2301                 printk(KERN_INFO "suspend_flag = 1\n");
2302                 goto err;
2303         }
2304
2305         dev_drv->timeline_max++;
2306 #ifdef H_USE_FENCE
2307         for (i = 0; i < RK_MAX_BUF_NUM; i++) {
2308                 if (i < regs->buf_num) {
2309                         sprintf(fence_name, "fence%d", i);
2310                         win_data->rel_fence_fd[i] = get_unused_fd();
2311                         if (win_data->rel_fence_fd[i] < 0) {
2312                                 printk(KERN_INFO "rel_fence_fd=%d\n",
2313                                        win_data->rel_fence_fd[i]);
2314                                 ret = -EFAULT;
2315                                 goto err;
2316                         }
2317                         release_sync_pt[i] =
2318                             sw_sync_pt_create(dev_drv->timeline,
2319                                               dev_drv->timeline_max);
2320                         release_fence[i] =
2321                             sync_fence_create(fence_name, release_sync_pt[i]);
2322                         sync_fence_install(release_fence[i],
2323                                            win_data->rel_fence_fd[i]);
2324                 } else {
2325                         win_data->rel_fence_fd[i] = -1;
2326                 }
2327         }
2328
2329         win_data->ret_fence_fd = get_unused_fd();
2330         if (win_data->ret_fence_fd < 0) {
2331                 printk("ret_fence_fd=%d\n", win_data->ret_fence_fd);
2332                 ret = -EFAULT;
2333                 goto err;
2334         }
2335         retire_sync_pt =
2336             sw_sync_pt_create(dev_drv->timeline, dev_drv->timeline_max);
2337         retire_fence = sync_fence_create("ret_fence", retire_sync_pt);
2338         sync_fence_install(retire_fence, win_data->ret_fence_fd);
2339 #else
2340         for (i = 0; i < RK_MAX_BUF_NUM; i++)
2341                 win_data->rel_fence_fd[i] = -1;
2342
2343         win_data->ret_fence_fd = -1;
2344 #endif
2345         if (dev_drv->wait_fs == 0) {
2346                 mutex_lock(&dev_drv->update_regs_list_lock);
2347                 list_add_tail(&regs->list, &dev_drv->update_regs_list);
2348                 mutex_unlock(&dev_drv->update_regs_list_lock);
2349                 queue_kthread_work(&dev_drv->update_regs_worker,
2350                                    &dev_drv->update_regs_work);
2351         } else {
2352                 mutex_lock(&dev_drv->update_regs_list_lock);
2353                 list_is_empty = list_empty(&dev_drv->update_regs_list) &&
2354                                         list_empty(&saved_list);
2355                 mutex_unlock(&dev_drv->update_regs_list_lock);
2356                 if (!list_is_empty) {
2357                         ret = wait_event_timeout(dev_drv->update_regs_wait,
2358                                 list_empty(&dev_drv->update_regs_list) && list_empty(&saved_list),
2359                                 msecs_to_jiffies(60));
2360                         if (ret > 0)
2361                                 rk_fb_update_reg(dev_drv, regs);
2362                         else
2363                                 printk("%s: wait update_regs_wait timeout\n", __func__);
2364                 } else if (ret == 0) {
2365                         rk_fb_update_reg(dev_drv, regs);
2366                 }
2367                 kfree(regs);
2368         }
2369
2370 err:
2371         mutex_unlock(&dev_drv->output_lock);
2372         return ret;
2373 }
2374
2375 #if 1
2376 static int cfgdone_distlist[10] = { 0 };
2377
2378 static int cfgdone_index;
2379 static int cfgdone_lasttime;
2380
2381 int rk_get_real_fps(int before)
2382 {
2383         struct timespec now;
2384         int dist_curr;
2385         int dist_total = 0;
2386         int dist_count = 0;
2387         int dist_first = 0;
2388
2389         int index = cfgdone_index;
2390         int i = 0, fps = 0;
2391         int total;
2392
2393         if (before > 100)
2394                 before = 100;
2395         if (before < 0)
2396                 before = 0;
2397
2398         getnstimeofday(&now);
2399         dist_curr = (now.tv_sec * 1000000 + now.tv_nsec / 1000) -
2400                         cfgdone_lasttime;
2401         total = dist_curr;
2402         /*
2403            printk("fps: ");
2404          */
2405         for (i = 0; i < 10; i++) {
2406                 if (--index < 0)
2407                         index = 9;
2408                 total += cfgdone_distlist[index];
2409                 if (i == 0)
2410                         dist_first = cfgdone_distlist[index];
2411                 if (total < (before * 1000)) {
2412                         /*
2413                            printk("[%d:%d] ", dist_count, cfgdone_distlist[index]);
2414                          */
2415                         dist_total += cfgdone_distlist[index];
2416                         dist_count++;
2417                 } else {
2418                         break;
2419                 }
2420         }
2421
2422         /*
2423            printk("total %d, count %d, curr %d, ", dist_total, dist_count, dist_curr);
2424          */
2425         dist_curr = (dist_curr > dist_first) ? dist_curr : dist_first;
2426         dist_total += dist_curr;
2427         dist_count++;
2428
2429         if (dist_total > 0)
2430                 fps = (1000000 * dist_count) / dist_total;
2431         else
2432                 fps = 60;
2433
2434         /*
2435            printk("curr2 %d, fps=%d\n", dist_curr, fps);
2436          */
2437         return fps;
2438 }
2439 EXPORT_SYMBOL(rk_get_real_fps);
2440
2441 #endif
2442 #ifdef CONFIG_ROCKCHIP_IOMMU
2443 #define ION_MAX 10
2444 static struct ion_handle *ion_hanle[ION_MAX];
2445 static struct ion_handle *ion_hwc[1];
2446 #endif
2447 static int rk_fb_ioctl(struct fb_info *info, unsigned int cmd,
2448                        unsigned long arg)
2449 {
2450         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2451         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2452         struct rk_fb_par *extend_fb_par = NULL;
2453         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2454         struct fb_fix_screeninfo *fix = &info->fix;
2455         int fb_id = 0, extend_win_id = 0;
2456         struct fb_info *extend_info = NULL;
2457         struct rk_lcdc_driver *extend_dev_drv = NULL;
2458         struct rk_lcdc_win *extend_win = NULL;
2459         struct rk_lcdc_win *win;
2460         int enable;     /* enable fb:1 enable;0 disable */
2461         int ovl;        /* overlay:0 win1 on the top of win0;1,win0 on the top of win1 */
2462         int num_buf;    /* buffer_number */
2463         int ret;
2464         struct rk_fb_win_cfg_data win_data;
2465         unsigned int dsp_addr[4];
2466         int list_stat;
2467
2468         int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2469
2470         void __user *argp = (void __user *)arg;
2471         win = dev_drv->win[win_id];
2472         if (rk_fb->disp_mode == DUAL) {
2473                 fb_id = get_extend_fb_id(info);
2474                 extend_info = rk_fb->fb[(rk_fb->num_fb >> 1) + fb_id];
2475                 extend_fb_par = (struct rk_fb_par *)extend_info->par;
2476                 extend_dev_drv = extend_fb_par->lcdc_drv;
2477                 extend_win_id = dev_drv->ops->fb_get_win_id(extend_dev_drv,
2478                                                             extend_info->fix.id);
2479                 extend_win = extend_dev_drv->win[extend_win_id];
2480         }
2481
2482         switch (cmd) {
2483         case RK_FBIOSET_HWC_ADDR:
2484         {
2485                 u32 hwc_phy[1];
2486                 if (copy_from_user(hwc_phy, argp, 4))
2487                         return -EFAULT;
2488 #ifdef CONFIG_ROCKCHIP_IOMMU
2489                 if (!dev_drv->iommu_enabled) {
2490 #endif
2491                         fix->smem_start = hwc_phy[0];
2492 #ifdef CONFIG_ROCKCHIP_IOMMU
2493                 } else {
2494                         int usr_fd;
2495                         struct ion_handle *hdl;
2496                         ion_phys_addr_t phy_addr;
2497                         size_t len;
2498
2499                         usr_fd = hwc_phy[0];
2500                         if (!usr_fd) {
2501                                 fix->smem_start = 0;
2502                                 fix->mmio_start = 0;
2503                                 break;
2504                         }
2505
2506                         if (ion_hwc[0] != 0) {
2507                                 ion_free(rk_fb->ion_client, ion_hwc[0]);
2508                                 ion_hwc[0] = 0;
2509                         }
2510
2511                         hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2512                         if (IS_ERR(hdl)) {
2513                                 dev_err(info->dev, "failed to get hwc ion handle:%ld\n",
2514                                         PTR_ERR(hdl));
2515                                 return -EFAULT;
2516                         }
2517
2518                         ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2519                                                 (unsigned long *)&phy_addr,
2520                                                 (unsigned long *)&len);
2521                         if (ret < 0) {
2522                                 dev_err(info->dev, "ion map to get hwc phy addr failed");
2523                                 ion_free(rk_fb->ion_client, hdl);
2524                                 return -ENOMEM;
2525                         }
2526                         fix->smem_start = phy_addr;
2527                         ion_hwc[0] = hdl;
2528                 }
2529 #endif
2530                 break;
2531         }
2532         case RK_FBIOSET_YUV_ADDR:
2533                 {
2534                         u32 yuv_phy[2];
2535
2536                         if (copy_from_user(yuv_phy, argp, 8))
2537                                 return -EFAULT;
2538                         #ifdef CONFIG_ROCKCHIP_IOMMU
2539                         if (!dev_drv->iommu_enabled || !strcmp(info->fix.id, "fb0")) {
2540                         #endif
2541                                 fix->smem_start = yuv_phy[0];
2542                                 fix->mmio_start = yuv_phy[1];
2543                         #ifdef CONFIG_ROCKCHIP_IOMMU
2544                         } else {
2545                                 int usr_fd, offset, tmp;
2546                                 struct ion_handle *hdl;
2547                                 ion_phys_addr_t phy_addr;
2548                                 size_t len;
2549
2550                                 usr_fd = yuv_phy[0];
2551                                 offset = yuv_phy[1] - yuv_phy[0];
2552
2553                                 if (!usr_fd) {
2554                                         fix->smem_start = 0;
2555                                         fix->mmio_start = 0;
2556                                         break;
2557                                 }
2558
2559                                 if (ion_hanle[ION_MAX - 1] != 0) {
2560                                         /*ion_unmap_kernel(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);*/
2561                                         /*ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client, ion_hanle[ION_MAX - 1]);*/
2562                                         ion_free(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);
2563                                         ion_hanle[ION_MAX - 1] = 0;
2564                                 }
2565
2566                                 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2567                                 if (IS_ERR(hdl)) {
2568                                         dev_err(info->dev, "failed to get ion handle:%ld\n",
2569                                                 PTR_ERR(hdl));
2570                                         return -EFAULT;
2571                                 }
2572
2573                                 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2574                                                         (unsigned long *)&phy_addr,
2575                                                         (unsigned long *)&len);
2576                                 if (ret < 0) {
2577                                         dev_err(info->dev, "ion map to get phy addr failed");
2578                                         ion_free(rk_fb->ion_client, hdl);
2579                                         return -ENOMEM;
2580                                 }
2581                                 fix->smem_start = phy_addr;
2582                                 fix->mmio_start = phy_addr + offset;
2583                                 fix->smem_len = len;
2584                                 /*info->screen_base = ion_map_kernel(rk_fb->ion_client, hdl);*/
2585
2586                                 ion_hanle[0] = hdl;
2587                                 for (tmp = ION_MAX - 1; tmp > 0; tmp--)
2588                                         ion_hanle[tmp] = ion_hanle[tmp - 1];
2589                                 ion_hanle[0] = 0;
2590                         }
2591                         #endif
2592                         break;
2593                 }
2594         case RK_FBIOSET_ENABLE:
2595                 if (copy_from_user(&enable, argp, sizeof(enable)))
2596                         return -EFAULT;
2597                 dev_drv->ops->open(dev_drv, win_id, enable);
2598                 break;
2599         case RK_FBIOGET_ENABLE:
2600                 enable = dev_drv->ops->get_win_state(dev_drv, win_id);
2601                 if (copy_to_user(argp, &enable, sizeof(enable)))
2602                         return -EFAULT;
2603                 break;
2604         case RK_FBIOSET_OVERLAY_STA:
2605                 if (copy_from_user(&ovl, argp, sizeof(ovl)))
2606                         return -EFAULT;
2607                 dev_drv->ops->ovl_mgr(dev_drv, ovl, 1);
2608                 break;
2609         case RK_FBIOGET_OVERLAY_STA:
2610                 ovl = dev_drv->ops->ovl_mgr(dev_drv, 0, 0);
2611                 if (copy_to_user(argp, &ovl, sizeof(ovl)))
2612                         return -EFAULT;
2613                 break;
2614         case RK_FBIOPUT_NUM_BUFFERS:
2615                 if (copy_from_user(&num_buf, argp, sizeof(num_buf)))
2616                         return -EFAULT;
2617                 dev_drv->num_buf = num_buf;
2618                 break;
2619         case RK_FBIOSET_VSYNC_ENABLE:
2620                 if (copy_from_user(&enable, argp, sizeof(enable)))
2621                         return -EFAULT;
2622                 dev_drv->vsync_info.active = enable;
2623                 break;
2624
2625         case RK_FBIOGET_DSP_ADDR:
2626                 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
2627                 if (copy_to_user(argp, &dsp_addr, sizeof(dsp_addr)))
2628                         return -EFAULT;
2629                 break;
2630         case RK_FBIOGET_LIST_STA:
2631                 list_stat = rk_fb_get_list_stat(dev_drv);
2632                 if (copy_to_user(argp, &list_stat, sizeof(list_stat)))
2633                         return -EFAULT;
2634
2635                 break;
2636         case RK_FBIOGET_IOMMU_STA:
2637                 if (copy_to_user(argp, &dev_drv->iommu_enabled,
2638                                  sizeof(dev_drv->iommu_enabled)))
2639                         return -EFAULT;
2640                 break;
2641 #if defined(CONFIG_ION_ROCKCHIP)
2642         case RK_FBIOSET_DMABUF_FD:
2643                 {
2644                         int usr_fd;
2645                         struct ion_handle *hdl;
2646                         ion_phys_addr_t phy_addr;
2647                         size_t len;
2648                         if (copy_from_user(&usr_fd, argp, sizeof(usr_fd)))
2649                                 return -EFAULT;
2650                         hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2651                         ion_phys(rk_fb->ion_client, hdl, &phy_addr, &len);
2652                         fix->smem_start = phy_addr;
2653                         break;
2654                 }
2655         case RK_FBIOGET_DMABUF_FD:
2656                 {
2657                         int fd = -1;
2658
2659                         if (IS_ERR_OR_NULL(fb_par->ion_hdl)) {
2660                                 dev_err(info->dev,
2661                                         "get dma_buf fd failed,ion handle is err\n");
2662                                 return PTR_ERR(fb_par->ion_hdl);
2663                         }
2664                         fd = ion_share_dma_buf_fd(rk_fb->ion_client,
2665                                                   fb_par->ion_hdl);
2666                         if (fd < 0) {
2667                                 dev_err(info->dev,
2668                                         "ion_share_dma_buf_fd failed\n");
2669                                 return fd;
2670                         }
2671                         if (copy_to_user(argp, &fd, sizeof(fd)))
2672                                 return -EFAULT;
2673                         break;
2674                 }
2675 #endif
2676         case RK_FBIOSET_CLEAR_FB:
2677                 memset(fb_par->fb_virt_base, 0, fb_par->fb_size);
2678                 break;
2679         case RK_FBIOSET_CONFIG_DONE:
2680                 {
2681                         int curr = 0;
2682                         struct timespec now;
2683
2684                         getnstimeofday(&now);
2685                         curr = now.tv_sec * 1000000 + now.tv_nsec / 1000;
2686                         cfgdone_distlist[cfgdone_index++] =
2687                             curr - cfgdone_lasttime;
2688                         /*
2689                            printk("%d ", curr - cfgdone_lasttime);
2690                          */
2691                         cfgdone_lasttime = curr;
2692                         if (cfgdone_index >= 10)
2693                                 cfgdone_index = 0;
2694                 }
2695                 if (copy_from_user(&win_data,
2696                                    (struct rk_fb_win_cfg_data __user *)argp,
2697                                    sizeof(win_data))) {
2698                         ret = -EFAULT;
2699                         break;
2700                 };
2701
2702                 dev_drv->wait_fs = win_data.wait_fs;
2703                 rk_fb_set_win_config(info, &win_data);
2704
2705                 if (copy_to_user((struct rk_fb_win_cfg_data __user *)arg,
2706                                  &win_data, sizeof(win_data))) {
2707                         ret = -EFAULT;
2708                         break;
2709                 }
2710                 memset(&win_data, 0, sizeof(struct rk_fb_win_cfg_data));
2711                 break;
2712         default:
2713                 dev_drv->ops->ioctl(dev_drv, cmd, arg, win_id);
2714                 break;
2715         }
2716
2717         return 0;
2718 }
2719
2720 static int rk_fb_blank(int blank_mode, struct fb_info *info)
2721 {
2722         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2723         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2724         struct fb_fix_screeninfo *fix = &info->fix;
2725         int win_id;
2726 #if defined(CONFIG_RK_HDMI)
2727         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2728 #endif
2729
2730         win_id = dev_drv->ops->fb_get_win_id(dev_drv, fix->id);
2731         if (win_id < 0)
2732                 return -ENODEV;
2733 #if defined(CONFIG_RK_HDMI)
2734         if ((rk_fb->disp_mode == ONE_DUAL) &&
2735             (hdmi_get_hotplug() == HDMI_HPD_ACTIVED)) {
2736                 printk(KERN_INFO "hdmi is connect , not blank lcdc\n");
2737         } else
2738 #endif
2739         {
2740                 dev_drv->ops->blank(dev_drv, win_id, blank_mode);
2741         }
2742         return 0;
2743 }
2744
2745 static int rk_fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
2746 {
2747         if ((0 == var->xres_virtual) || (0 == var->yres_virtual) ||
2748             (0 == var->xres) || (0 == var->yres) || (var->xres < 16) ||
2749             ((16 != var->bits_per_pixel) &&
2750             (32 != var->bits_per_pixel) &&
2751             (24 != var->bits_per_pixel))) {
2752                 dev_err(info->dev, "%s check var fail 1:\n"
2753                         "xres_vir:%d>>yres_vir:%d\n"
2754                         "xres:%d>>yres:%d\n"
2755                         "bits_per_pixel:%d\n",
2756                         info->fix.id,
2757                         var->xres_virtual,
2758                         var->yres_virtual,
2759                         var->xres, var->yres, var->bits_per_pixel);
2760                 return -EINVAL;
2761         }
2762
2763         if (((var->xoffset + var->xres) > var->xres_virtual) ||
2764             ((var->yoffset + var->yres) > (var->yres_virtual))) {
2765                 dev_err(info->dev, "%s check_var fail 2:\n"
2766                         "xoffset:%d>>xres:%d>>xres_vir:%d\n"
2767                         "yoffset:%d>>yres:%d>>yres_vir:%d\n",
2768                         info->fix.id,
2769                         var->xoffset,
2770                         var->xres,
2771                         var->xres_virtual,
2772                         var->yoffset, var->yres, var->yres_virtual);
2773                 return -EINVAL;
2774         }
2775
2776         return 0;
2777 }
2778
2779 static ssize_t rk_fb_read(struct fb_info *info, char __user *buf,
2780                           size_t count, loff_t *ppos)
2781 {
2782         unsigned long p = *ppos;
2783         u8 *buffer, *dst;
2784         u8 __iomem *src;
2785         int c, cnt = 0, err = 0;
2786         unsigned long total_size;
2787         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2788         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2789         struct rk_lcdc_win *win = NULL;
2790         int win_id = 0;
2791
2792         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2793         if (win_id < 0)
2794                 return -ENODEV;
2795         else
2796                 win = dev_drv->win[win_id];
2797
2798         /* only read the current frame buffer */
2799         if (win->format == RGB565) {
2800                 total_size = win->area[0].y_vir_stride * win->area[0].yact << 1;
2801         } else if (win->format == YUV420) {
2802                 total_size =
2803                     (win->area[0].y_vir_stride * win->area[0].yact * 6);
2804         } else {
2805                 total_size = win->area[0].y_vir_stride * win->area[0].yact << 2;
2806         }
2807         if (p >= total_size)
2808                 return 0;
2809
2810         if (count >= total_size)
2811                 count = total_size;
2812
2813         if (count + p > total_size)
2814                 count = total_size - p;
2815
2816         buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
2817         if (!buffer)
2818                 return -ENOMEM;
2819
2820         src = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
2821
2822         while (count) {
2823                 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
2824                 dst = buffer;
2825                 fb_memcpy_fromfb(dst, src, c);
2826                 dst += c;
2827                 src += c;
2828
2829                 if (copy_to_user(buf, buffer, c)) {
2830                         err = -EFAULT;
2831                         break;
2832                 }
2833                 *ppos += c;
2834                 buf += c;
2835                 cnt += c;
2836                 count -= c;
2837         }
2838
2839         kfree(buffer);
2840
2841         return (err) ? err : cnt;
2842 }
2843
2844 static ssize_t rk_fb_write(struct fb_info *info, const char __user *buf,
2845                            size_t count, loff_t *ppos)
2846 {
2847         unsigned long p = *ppos;
2848         u8 *buffer, *src;
2849         u8 __iomem *dst;
2850         int c, cnt = 0, err = 0;
2851         unsigned long total_size;
2852         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2853         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2854         struct rk_lcdc_win *win = NULL;
2855         int win_id = 0;
2856
2857         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2858         if (win_id < 0)
2859                 return -ENODEV;
2860         else
2861                 win = dev_drv->win[win_id];
2862
2863         /* write the current frame buffer */
2864         if (win->format == RGB565)
2865                 total_size = win->area[0].xact * win->area[0].yact << 1;
2866         else
2867                 total_size = win->area[0].xact * win->area[0].yact << 2;
2868
2869         if (p > total_size)
2870                 return -EFBIG;
2871
2872         if (count > total_size) {
2873                 err = -EFBIG;
2874                 count = total_size;
2875         }
2876
2877         if (count + p > total_size) {
2878                 if (!err)
2879                         err = -ENOSPC;
2880
2881                 count = total_size - p;
2882         }
2883
2884         buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
2885         if (!buffer)
2886                 return -ENOMEM;
2887
2888         dst = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
2889
2890         while (count) {
2891                 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
2892                 src = buffer;
2893
2894                 if (copy_from_user(src, buf, c)) {
2895                         err = -EFAULT;
2896                         break;
2897                 }
2898
2899                 fb_memcpy_tofb(dst, src, c);
2900                 dst += c;
2901                 src += c;
2902                 *ppos += c;
2903                 buf += c;
2904                 cnt += c;
2905                 count -= c;
2906         }
2907
2908         kfree(buffer);
2909
2910         return (cnt) ? cnt : err;
2911 }
2912
2913 /*
2914  * function: update extend info acorrding to primary info that only used for dual display mode
2915  * @ext_info: the fb_info of extend screen
2916  * @info: the fb_info of primary screen
2917  * @update_buffer: whether to update extend info buffer, 0: no;1: yes
2918  */
2919 static int rk_fb_update_ext_info(struct fb_info *ext_info,
2920                                         struct fb_info *info, int update_buffer)
2921 {
2922         struct rk_fb *rk_fb =  platform_get_drvdata(fb_pdev);
2923         struct rk_fb_par *fb_par = NULL;
2924         struct rk_fb_par *ext_fb_par = NULL;
2925         struct rk_lcdc_driver *dev_drv = NULL;
2926         struct rk_lcdc_driver *ext_dev_drv = NULL;
2927         struct rk_lcdc_win *win = NULL;
2928         struct rk_lcdc_win *ext_win = NULL;
2929         int win_id = 0, ext_win_id = 0;
2930
2931         if (rk_fb->disp_mode != DUAL || info == ext_info)
2932                 return 0;
2933         if (unlikely(!info) || unlikely(!ext_info))
2934                 return -1;
2935
2936         fb_par = (struct rk_fb_par *)info->par;
2937         ext_fb_par = (struct rk_fb_par *)ext_info->par;
2938         dev_drv = fb_par->lcdc_drv;
2939         ext_dev_drv = ext_fb_par->lcdc_drv;
2940         if (unlikely(!dev_drv) || unlikely(!ext_dev_drv))
2941                 return -1;
2942
2943         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2944         win = dev_drv->win[win_id];
2945         ext_win_id = ext_dev_drv->ops->fb_get_win_id(ext_dev_drv,
2946                                                      ext_info->fix.id);
2947         ext_win = ext_dev_drv->win[ext_win_id];
2948
2949         rk_fb_update_ext_win(ext_dev_drv, dev_drv, ext_win, win);
2950         if (update_buffer) {
2951                 rk_fb_set_ext_win_buffer(ext_win, win, ext_dev_drv->rotate_mode,
2952                                          ext_dev_drv->iommu_enabled);
2953
2954                 /* update extend info display address */
2955                 ext_info->fix.smem_start = ext_win->area[0].smem_start;
2956                 ext_info->fix.mmio_start = ext_win->area[0].cbr_start;
2957
2958                 if (ext_dev_drv->rotate_mode > X_Y_MIRROR)
2959                         rk_fb_rotate(ext_info, info);
2960         }
2961
2962         /* update extend info */
2963         ext_info->var.xres = ext_win->area[0].xact;
2964         ext_info->var.yres = ext_win->area[0].yact;
2965         ext_info->var.xres_virtual = ext_win->area[0].xvir;
2966         ext_info->var.yres_virtual = ext_win->area[0].yvir;
2967
2968         /* config same data format */
2969         ext_info->var.nonstd &= 0xffffff00;
2970         ext_info->var.nonstd |= (info->var.nonstd & 0xff);
2971
2972         ext_info->var.nonstd &= 0xff;
2973         ext_info->var.nonstd |=
2974                 (ext_win->area[0].xpos << 8) + (ext_win->area[0].ypos << 20);
2975
2976         ext_info->var.grayscale &= 0xff;
2977         ext_info->var.grayscale |=
2978                 (ext_win->area[0].xsize << 8) + (ext_win->area[0].ysize << 20);
2979
2980         return 0;
2981 }
2982
2983 static int rk_fb_set_par(struct fb_info *info)
2984 {
2985         struct fb_var_screeninfo *var = &info->var;
2986         struct fb_fix_screeninfo *fix = &info->fix;
2987         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2988         struct rk_fb_par *extend_fb_par = NULL;
2989         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2990         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2991         int fb_id, extend_win_id = 0;
2992         struct fb_info *extend_info = NULL;
2993         struct rk_lcdc_driver *extend_dev_drv = NULL;
2994         struct rk_lcdc_win *extend_win = NULL;
2995         struct rk_lcdc_win *win = NULL;
2996         struct rk_screen *screen = dev_drv->cur_screen;
2997         int win_id = 0;
2998         u32 cblen = 0, crlen = 0;
2999         u16 xsize = 0, ysize = 0;       /* winx display window height/width --->LCDC_WINx_DSP_INFO */
3000         u32 xoffset = var->xoffset;     /* offset from virtual to visible */
3001         u32 yoffset = var->yoffset;
3002         u16 xpos = (var->nonstd >> 8) & 0xfff;  /*visiable pos in panel */
3003         u16 ypos = (var->nonstd >> 20) & 0xfff;
3004         u32 xvir = var->xres_virtual;
3005         u32 yvir = var->yres_virtual;
3006         u8 data_format = var->nonstd & 0xff;
3007         u8 fb_data_fmt;
3008         u8 pixel_width;
3009         u32 vir_width_bit;
3010         u32 stride, uv_stride;
3011         u32 stride_32bit_1;
3012         u32 stride_32bit_2;
3013         u16 uv_x_off, uv_y_off, uv_y_act;
3014         u8 is_pic_yuv = 0;
3015
3016         var->pixclock = dev_drv->pixclock;
3017         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3018         if (win_id < 0)
3019                 return -ENODEV;
3020         else
3021                 win = dev_drv->win[win_id];
3022
3023         if (rk_fb->disp_mode == DUAL) {
3024                 fb_id = get_extend_fb_id(info);
3025                 extend_info = rk_fb->fb[(rk_fb->num_fb >> 1) + fb_id];
3026                 extend_fb_par = (struct rk_fb_par *)extend_info->par;
3027                 extend_dev_drv = extend_fb_par->lcdc_drv;
3028                 extend_win_id = dev_drv->ops->fb_get_win_id(extend_dev_drv,
3029                                                             extend_info->fix.id);
3030                 extend_win = extend_dev_drv->win[extend_win_id];
3031         }
3032
3033         /* if the application has specific the horizontal and vertical display size */
3034         if (var->grayscale >> 8) {
3035                 xsize = (var->grayscale >> 8) & 0xfff;
3036                 ysize = (var->grayscale >> 20) & 0xfff;
3037                 if (xsize > screen->mode.xres)
3038                         xsize = screen->mode.xres;
3039                 if (ysize > screen->mode.yres)
3040                         ysize = screen->mode.yres;
3041         } else {                /*ohterwise  full  screen display */
3042                 xsize = screen->mode.xres;
3043                 ysize = screen->mode.yres;
3044         }
3045
3046         fb_data_fmt = rk_fb_data_fmt(data_format, var->bits_per_pixel);
3047         pixel_width = rk_fb_pixel_width(fb_data_fmt);
3048         vir_width_bit = pixel_width * xvir;
3049         /* pixel_width = byte_num * 8 */
3050         stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
3051         stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
3052
3053         switch (fb_data_fmt) {
3054         case YUV422:
3055         case YUV422_A:
3056                 is_pic_yuv = 1;
3057                 stride = stride_32bit_1;
3058                 uv_stride = stride_32bit_1 >> 1;
3059                 uv_x_off = xoffset >> 1;
3060                 uv_y_off = yoffset;
3061                 fix->line_length = stride;
3062                 cblen = crlen = (xvir * yvir) >> 1;
3063                 uv_y_act = win->area[0].yact >> 1;
3064                 break;
3065         case YUV420:            /* 420sp */
3066         case YUV420_A:
3067                 is_pic_yuv = 1;
3068                 stride = stride_32bit_1;
3069                 uv_stride = stride_32bit_1;
3070                 uv_x_off = xoffset;
3071                 uv_y_off = yoffset >> 1;
3072                 fix->line_length = stride;
3073                 cblen = crlen = (xvir * yvir) >> 2;
3074                 uv_y_act = win->area[0].yact >> 1;
3075                 break;
3076         case YUV444:
3077         case YUV444_A:
3078                 is_pic_yuv = 1;
3079                 stride = stride_32bit_1;
3080                 uv_stride = stride_32bit_2;
3081                 uv_x_off = xoffset * 2;
3082                 uv_y_off = yoffset;
3083                 fix->line_length = stride << 2;
3084                 cblen = crlen = (xvir * yvir);
3085                 uv_y_act = win->area[0].yact;
3086                 break;
3087         default:
3088                 stride = stride_32bit_1;        /* default rgb */
3089                 fix->line_length = stride;
3090                 break;
3091         }
3092
3093         /* x y mirror ,jump line */
3094         if (screen->y_mirror == 1) {
3095                 if (screen->interlace == 1) {
3096                         win->area[0].y_offset = yoffset * stride * 2 +
3097                             ((win->area[0].yact - 1) * 2 + 1) * stride +
3098                             xoffset * pixel_width / 8;
3099                 } else {
3100                         win->area[0].y_offset = yoffset * stride +
3101                             (win->area[0].yact - 1) * stride +
3102                             xoffset * pixel_width / 8;
3103                 }
3104         } else {
3105                 if (screen->interlace == 1) {
3106                         win->area[0].y_offset =
3107                             yoffset * stride * 2 + xoffset * pixel_width / 8;
3108                 } else {
3109                         win->area[0].y_offset =
3110                             yoffset * stride + xoffset * pixel_width / 8;
3111                 }
3112         }
3113         if (is_pic_yuv == 1) {
3114                 if (screen->y_mirror == 1) {
3115                         if (screen->interlace == 1) {
3116                                 win->area[0].c_offset =
3117                                     uv_y_off * uv_stride * 2 +
3118                                     ((uv_y_act - 1) * 2 + 1) * uv_stride +
3119                                     uv_x_off * pixel_width / 8;
3120                         } else {
3121                                 win->area[0].c_offset = uv_y_off * uv_stride +
3122                                     (uv_y_act - 1) * uv_stride +
3123                                     uv_x_off * pixel_width / 8;
3124                         }
3125                 } else {
3126                         if (screen->interlace == 1) {
3127                                 win->area[0].c_offset =
3128                                     uv_y_off * uv_stride * 2 +
3129                                     uv_x_off * pixel_width / 8;
3130                         } else {
3131                                 win->area[0].c_offset =
3132                                     uv_y_off * uv_stride +
3133                                     uv_x_off * pixel_width / 8;
3134                         }
3135                 }
3136         }
3137
3138         win->format = fb_data_fmt;
3139         win->area[0].y_vir_stride = stride >> 2;
3140         win->area[0].uv_vir_stride = uv_stride >> 2;
3141         win->area[0].xpos = xpos;
3142         win->area[0].ypos = ypos;
3143         win->area[0].xsize = xsize;
3144         win->area[0].ysize = ysize;
3145         win->area[0].xact = var->xres;  /* winx active window height,is a wint of vir */
3146         win->area[0].yact = var->yres;
3147         win->area[0].xvir = var->xres_virtual;  /* virtual resolution  stride --->LCDC_WINx_VIR */
3148         win->area[0].yvir = var->yres_virtual;
3149
3150         win->area_num = 1;
3151         win->alpha_mode = 4;    /* AB_SRC_OVER; */
3152         win->alpha_en = ((win->format == ARGB888) ||
3153                          (win->format == ABGR888)) ? 1 : 0;
3154         win->g_alpha_val = 0;
3155
3156         if (rk_fb->disp_mode == DUAL) {
3157                 if (extend_win->state && hdmi_switch_complete) {
3158                         if (info != extend_info) {
3159                                 rk_fb_update_ext_win(extend_dev_drv, dev_drv,
3160                                                      extend_win, win);
3161                                 extend_dev_drv->ops->set_par(extend_dev_drv,
3162                                                              extend_win_id);
3163                         }
3164                 }
3165         }
3166         dev_drv->ops->set_par(dev_drv, win_id);
3167
3168         return 0;
3169 }
3170
3171 static inline unsigned int chan_to_field(unsigned int chan,
3172                                          struct fb_bitfield *bf)
3173 {
3174         chan &= 0xffff;
3175         chan >>= 16 - bf->length;
3176         return chan << bf->offset;
3177 }
3178
3179 static int fb_setcolreg(unsigned regno,
3180                         unsigned red, unsigned green, unsigned blue,
3181                         unsigned transp, struct fb_info *info)
3182 {
3183         unsigned int val;
3184
3185         switch (info->fix.visual) {
3186         case FB_VISUAL_TRUECOLOR:
3187                 /* true-colour, use pseudo-palette */
3188                 if (regno < 16) {
3189                         u32 *pal = info->pseudo_palette;
3190                         val = chan_to_field(red, &info->var.red);
3191                         val |= chan_to_field(green, &info->var.green);
3192                         val |= chan_to_field(blue, &info->var.blue);
3193                         pal[regno] = val;
3194                 }
3195                 break;
3196         default:
3197                 return -1;      /* unknown type */
3198         }
3199
3200         return 0;
3201 }
3202
3203 static int rk_fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
3204 {
3205         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3206         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
3207         struct ion_handle *handle = fb_par->ion_hdl;
3208         struct dma_buf *dma_buf = NULL;
3209
3210         if (IS_ERR_OR_NULL(handle)) {
3211                 dev_err(info->dev, "failed to get ion handle:%ld\n",
3212                         PTR_ERR(handle));
3213                 return -ENOMEM;
3214         }
3215         dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3216         if (IS_ERR_OR_NULL(dma_buf)) {
3217                 printk("get ion share dma buf failed\n");
3218                 return -ENOMEM;
3219         }
3220
3221         vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
3222
3223         return dma_buf_mmap(dma_buf, vma, 0);
3224 }
3225
3226 static struct fb_ops fb_ops = {
3227         .owner = THIS_MODULE,
3228         .fb_open = rk_fb_open,
3229         .fb_release = rk_fb_close,
3230         .fb_check_var = rk_fb_check_var,
3231         .fb_set_par = rk_fb_set_par,
3232         .fb_blank = rk_fb_blank,
3233         .fb_ioctl = rk_fb_ioctl,
3234         .fb_pan_display = rk_fb_pan_display,
3235         .fb_read = rk_fb_read,
3236         .fb_write = rk_fb_write,
3237         .fb_setcolreg = fb_setcolreg,
3238         .fb_fillrect = cfb_fillrect,
3239         .fb_copyarea = cfb_copyarea,
3240         .fb_imageblit = cfb_imageblit,
3241 };
3242
3243 static struct fb_var_screeninfo def_var = {
3244 #if defined(CONFIG_LOGO_LINUX_BMP)
3245         .red = {16, 8, 0},
3246         .green = {8, 8, 0},
3247         .blue = {0, 8, 0},
3248         .transp = {0, 0, 0},
3249         .nonstd = HAL_PIXEL_FORMAT_BGRA_8888,
3250 #else
3251         .red = {11, 5, 0},
3252         .green = {5, 6, 0},
3253         .blue = {0, 5, 0},
3254         .transp = {0, 0, 0},
3255         .nonstd = HAL_PIXEL_FORMAT_RGB_565,     /* (ypos<<20+xpos<<8+format) format */
3256 #endif
3257         .grayscale = 0,         /* (ysize<<20+xsize<<8) */
3258         .activate = FB_ACTIVATE_NOW,
3259         .accel_flags = 0,
3260         .vmode = FB_VMODE_NONINTERLACED,
3261 };
3262
3263 static struct fb_fix_screeninfo def_fix = {
3264         .type = FB_TYPE_PACKED_PIXELS,
3265         .type_aux = 0,
3266         .xpanstep = 1,
3267         .ypanstep = 1,
3268         .ywrapstep = 0,
3269         .accel = FB_ACCEL_NONE,
3270         .visual = FB_VISUAL_TRUECOLOR,
3271
3272 };
3273
3274 static int rk_fb_wait_for_vsync_thread(void *data)
3275 {
3276         struct rk_lcdc_driver *dev_drv = data;
3277         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3278         struct fb_info *fbi = rk_fb->fb[0];
3279
3280         while (!kthread_should_stop()) {
3281                 ktime_t timestamp = dev_drv->vsync_info.timestamp;
3282                 int ret = wait_event_interruptible(dev_drv->vsync_info.wait,
3283                                 !ktime_equal(timestamp, dev_drv->vsync_info.timestamp) &&
3284                                 (dev_drv->vsync_info.active || dev_drv->vsync_info.irq_stop));
3285
3286                 if (!ret)
3287                         sysfs_notify(&fbi->dev->kobj, NULL, "vsync");
3288         }
3289
3290         return 0;
3291 }
3292
3293 static ssize_t rk_fb_vsync_show(struct device *dev,
3294                                 struct device_attribute *attr, char *buf)
3295 {
3296         struct fb_info *fbi = dev_get_drvdata(dev);
3297         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3298         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3299         return scnprintf(buf, PAGE_SIZE, "%llu\n",
3300                          ktime_to_ns(dev_drv->vsync_info.timestamp));
3301 }
3302
3303 static DEVICE_ATTR(vsync, S_IRUGO, rk_fb_vsync_show, NULL);
3304
3305 /*
3306  * this two function is for other module that in the kernel which
3307  * need show image directly through fb
3308  * fb_id:we have 4 fb here,default we use fb0 for ui display
3309  */
3310 struct fb_info *rk_get_fb(int fb_id)
3311 {
3312         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3313         struct fb_info *fb = inf->fb[fb_id];
3314         return fb;
3315 }
3316 EXPORT_SYMBOL(rk_get_fb);
3317
3318 void rk_direct_fb_show(struct fb_info *fbi)
3319 {
3320         rk_fb_set_par(fbi);
3321         rk_fb_pan_display(&fbi->var, fbi);
3322 }
3323 EXPORT_SYMBOL(rk_direct_fb_show);
3324
3325 int rk_fb_dpi_open(bool open)
3326 {
3327         struct rk_lcdc_driver *dev_drv = NULL;
3328         dev_drv = rk_get_prmry_lcdc_drv();
3329
3330         if (dev_drv->ops->dpi_open)
3331                 dev_drv->ops->dpi_open(dev_drv, open);
3332         return 0;
3333 }
3334
3335 int rk_fb_dpi_win_sel(int win_id)
3336 {
3337         struct rk_lcdc_driver *dev_drv = NULL;
3338         dev_drv = rk_get_prmry_lcdc_drv();
3339
3340         if (dev_drv->ops->dpi_win_sel)
3341                 dev_drv->ops->dpi_win_sel(dev_drv, win_id);
3342         return 0;
3343 }
3344
3345 int rk_fb_dpi_status(void)
3346 {
3347         int ret = 0;
3348         struct rk_lcdc_driver *dev_drv = NULL;
3349
3350         dev_drv = rk_get_prmry_lcdc_drv();
3351         if (dev_drv->ops->dpi_status)
3352                 ret = dev_drv->ops->dpi_status(dev_drv);
3353
3354         return ret;
3355 }
3356
3357 /*
3358  * function: this function will be called by display device, enable/disable lcdc
3359  * @screen: screen timing to be set to lcdc
3360  * @enable: 0 disable lcdc; 1 enable change lcdc timing; 2 just enable dclk
3361  * @lcdc_id: the lcdc id the display device attached ,0 or 1
3362  */
3363 int rk_fb_switch_screen(struct rk_screen *screen, int enable, int lcdc_id)
3364 {
3365         struct rk_fb *rk_fb =  platform_get_drvdata(fb_pdev);
3366         struct fb_info *info = NULL;
3367         struct fb_info *pmy_info = NULL;
3368         struct rk_fb_par *fb_par = NULL;
3369         struct rk_fb_par *pmy_fb_par = NULL;
3370         struct rk_lcdc_driver *dev_drv = NULL;
3371         char name[6] = {0};
3372         int i, win_id, load_screen = 0;
3373
3374         if (unlikely(!rk_fb) || unlikely(!screen))
3375                 return -ENODEV;
3376
3377         hdmi_switch_complete = 0;
3378         /* get lcdc driver */
3379         sprintf(name, "lcdc%d", lcdc_id);
3380         if (rk_fb->disp_mode != DUAL)
3381                 dev_drv = rk_fb->lcdc_dev_drv[0];
3382         else
3383                 dev_drv = rk_get_lcdc_drv(name);
3384
3385         if (dev_drv == NULL) {
3386                 printk(KERN_ERR "%s driver not found!", name);
3387                 return -ENODEV;
3388         }
3389         if (screen->type == SCREEN_HDMI)
3390                 printk("hdmi %s lcdc%d\n", enable ? "connect to" : "remove from",
3391                         dev_drv->id);
3392         else if (screen->type == SCREEN_TVOUT ||
3393                      screen->type == SCREEN_TVOUT_TEST )
3394                 printk("cvbs %s lcdc%d\n", enable ? "connect to" : "remove from",
3395                         dev_drv->id);
3396         if (enable == 2 /*&& dev_drv->enable*/)
3397                 return 0;
3398
3399         if (rk_fb->disp_mode == ONE_DUAL) {
3400                 if (dev_drv->ops->dsp_black)
3401                         dev_drv->ops->dsp_black(dev_drv, 1);
3402                 if (dev_drv->ops->set_screen_scaler)
3403                         dev_drv->ops->set_screen_scaler(dev_drv, dev_drv->screen0, 0);
3404         }
3405
3406         if (!enable) {
3407                 /* if screen type is different, we do not disable lcdc. */
3408                 if (dev_drv->cur_screen->type != screen->type)
3409                         return 0;
3410
3411                 /* if used one lcdc to dual disp, no need to close win */
3412                 if (rk_fb->disp_mode == ONE_DUAL) {
3413                         dev_drv->cur_screen = dev_drv->screen0;
3414                         dev_drv->ops->load_screen(dev_drv, 1);
3415
3416                         /* force modify dsp size */
3417                         info = rk_fb->fb[dev_drv->fb_index_base];
3418                         info->var.grayscale &= 0xff;
3419                         info->var.grayscale |=
3420                                 (dev_drv->cur_screen->mode.xres << 8) +
3421                                 (dev_drv->cur_screen->mode.yres << 20);
3422                         info->fbops->fb_set_par(info);
3423                         info->fbops->fb_pan_display(&info->var, info);
3424
3425                         if (dev_drv->ops->dsp_black)
3426                                 dev_drv->ops->dsp_black(dev_drv, 0);
3427                 } else if (rk_fb->num_lcdc > 1) {
3428                         /* If there is more than one lcdc device, we disable
3429                            the layer which attached to this device */
3430                         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3431                                 if (dev_drv->win[i] && dev_drv->win[i]->state)
3432                                         dev_drv->ops->open(dev_drv, i, 0);
3433                         }
3434                 }
3435
3436                 hdmi_switch_complete = 0;
3437                 return 0;
3438         } else {
3439                 if (dev_drv->screen1)
3440                         dev_drv->cur_screen = dev_drv->screen1;
3441                 memcpy(dev_drv->cur_screen, screen, sizeof(struct rk_screen));
3442                 dev_drv->cur_screen->xsize = dev_drv->cur_screen->mode.xres;
3443                 dev_drv->cur_screen->ysize = dev_drv->cur_screen->mode.yres;
3444                 dev_drv->cur_screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3445                 dev_drv->cur_screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3446         }
3447         if (!dev_drv->uboot_logo) {
3448                 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3449                         info = rk_fb->fb[dev_drv->fb_index_base + i];
3450                         fb_par = (struct rk_fb_par *)info->par;
3451                         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3452                         if (dev_drv->win[win_id]) {
3453                                 if (rk_fb->disp_mode == DUAL) {
3454                                         pmy_info = rk_fb->fb[i];
3455                                         if (pmy_info != info) {
3456                                                 pmy_fb_par =
3457                                                         (struct rk_fb_par *)pmy_info->par;
3458                                                 fb_par->state = pmy_fb_par->state;
3459                                         }
3460                                 }
3461                                 if (fb_par->state) {
3462                                         if (!dev_drv->win[win_id]->state)
3463                                                 dev_drv->ops->open(dev_drv, win_id, 1);
3464                                         if (!load_screen) {
3465                                                 dev_drv->ops->load_screen(dev_drv, 1);
3466                                                 load_screen = 1;
3467                                         }
3468                                         info->var.activate |= FB_ACTIVATE_FORCE;
3469                                         if (rk_fb->disp_mode == DUAL) {
3470                                                 rk_fb_update_ext_info(info, pmy_info, 1);
3471                                         } else if (rk_fb->disp_mode == ONE_DUAL) {
3472                                                 info->var.grayscale &= 0xff;
3473                                                 info->var.grayscale |=
3474                                                         (dev_drv->cur_screen->xsize << 8) +
3475                                                         (dev_drv->cur_screen->ysize << 20);
3476                                         }
3477                                         info->fbops->fb_set_par(info);
3478                                         info->fbops->fb_pan_display(&info->var, info);
3479                                 }
3480                         }
3481                 }
3482         }else {
3483                 dev_drv->uboot_logo = 0;
3484         }
3485         hdmi_switch_complete = 1;
3486         if (rk_fb->disp_mode == ONE_DUAL) {
3487                 if (dev_drv->ops->set_screen_scaler)
3488                         dev_drv->ops->set_screen_scaler(dev_drv, dev_drv->screen0, 1);
3489                 if (dev_drv->ops->dsp_black)
3490                         dev_drv->ops->dsp_black(dev_drv, 0);
3491         }
3492         return 0;
3493 }
3494
3495 /*
3496  * function:this function current only called by hdmi for
3497  *      scale the display
3498  * scale_x: scale rate of x resolution
3499  * scale_y: scale rate of y resolution
3500  * lcdc_id: the lcdc id the hdmi attached ,0 or 1
3501  */
3502 int rk_fb_disp_scale(u8 scale_x, u8 scale_y, u8 lcdc_id)
3503 {
3504         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3505         struct fb_info *info = NULL;
3506         struct fb_info *pmy_info = NULL;
3507         struct fb_var_screeninfo *var = NULL;
3508         struct rk_lcdc_driver *dev_drv = NULL;
3509         u16 screen_x, screen_y;
3510         u16 xpos, ypos;
3511         char name[6];
3512         struct rk_screen primary_screen;
3513         rk_fb_get_prmry_screen(&primary_screen);
3514         if (primary_screen.type == SCREEN_HDMI) {
3515                 return 0;
3516         }
3517
3518         sprintf(name, "lcdc%d", lcdc_id);
3519
3520         if (inf->disp_mode == DUAL) {
3521                 dev_drv = rk_get_lcdc_drv(name);
3522                 if (dev_drv == NULL) {
3523                         printk(KERN_ERR "%s driver not found!", name);
3524                         return -ENODEV;
3525                 }
3526         } else {
3527                 dev_drv = inf->lcdc_dev_drv[0];
3528         }
3529
3530         if (inf->num_lcdc == 1) {
3531                 info = inf->fb[0];
3532         } else if (inf->num_lcdc == 2) {
3533                 info = inf->fb[dev_drv->lcdc_win_num];
3534                 pmy_info = inf->fb[0];
3535         }
3536
3537         var = &info->var;
3538         screen_x = dev_drv->cur_screen->mode.xres;
3539         screen_y = dev_drv->cur_screen->mode.yres;
3540
3541         if (inf->disp_mode != DUAL && dev_drv->screen1) {
3542                 dev_drv->cur_screen->xpos =
3543                     (screen_x - screen_x * scale_x / 100) >> 1;
3544                 dev_drv->cur_screen->ypos =
3545                     (screen_y - screen_y * scale_y / 100) >> 1;
3546                 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3547                 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3548         } else {
3549                 xpos = (screen_x - screen_x * scale_x / 100) >> 1;
3550                 ypos = (screen_y - screen_y * scale_y / 100) >> 1;
3551                 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3552                 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3553                 if (inf->disp_mode == DUAL) {
3554                         rk_fb_update_ext_info(info, pmy_info, 0);
3555                 } else {
3556                         var->nonstd &= 0xff;
3557                         var->nonstd |= (xpos << 8) + (ypos << 20);
3558                         var->grayscale &= 0xff;
3559                         var->grayscale |=
3560                                 (dev_drv->cur_screen->xsize << 8) +
3561                                 (dev_drv->cur_screen->ysize << 20);
3562                 }
3563         }
3564
3565         info->fbops->fb_set_par(info);
3566         /* info->fbops->fb_ioctl(info, RK_FBIOSET_CONFIG_DONE, 0); */
3567         dev_drv->ops->cfg_done(dev_drv);
3568         return 0;
3569 }
3570
3571 #if defined(CONFIG_ION_ROCKCHIP)
3572 static int rk_fb_alloc_buffer_by_ion(struct fb_info *fbi,
3573                                      struct rk_lcdc_win *win,
3574                                      unsigned long fb_mem_size)
3575 {
3576         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3577         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3578         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3579         struct ion_handle *handle;
3580         ion_phys_addr_t phy_addr;
3581         size_t len;
3582         int ret = 0;
3583
3584         if (dev_drv->iommu_enabled)
3585                 handle = ion_alloc(rk_fb->ion_client, (size_t) fb_mem_size, 0,
3586                                    ION_HEAP(ION_VMALLOC_HEAP_ID), 0);
3587         else
3588                 handle = ion_alloc(rk_fb->ion_client, (size_t) fb_mem_size, 0,
3589                                    ION_HEAP(ION_CMA_HEAP_ID), 0);
3590         if (IS_ERR(handle)) {
3591                 dev_err(fbi->device, "failed to ion_alloc:%ld\n",
3592                         PTR_ERR(handle));
3593                 return -ENOMEM;
3594         }
3595
3596         fb_par->ion_hdl = handle;
3597         win->area[0].dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3598         if (IS_ERR_OR_NULL(win->area[0].dma_buf)) {
3599                 printk("ion_share_dma_buf() failed\n");
3600                 goto err_share_dma_buf;
3601         }
3602         win->area[0].ion_hdl = handle;
3603         if (dev_drv->prop == PRMRY)
3604                 fbi->screen_base = ion_map_kernel(rk_fb->ion_client, handle);
3605 #ifdef CONFIG_ROCKCHIP_IOMMU
3606         if (dev_drv->iommu_enabled && dev_drv->mmu_dev)
3607                 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, handle,
3608                                         (unsigned long *)&phy_addr,
3609                                         (unsigned long *)&len);
3610         else
3611                 ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3612 #else
3613         ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3614 #endif
3615         if (ret < 0) {
3616                 dev_err(fbi->dev, "ion map to get phy addr failed\n");
3617                 goto err_share_dma_buf;
3618         }
3619         fbi->fix.smem_start = phy_addr;
3620         fbi->fix.smem_len = len;
3621         printk(KERN_INFO "alloc_buffer:ion_phy_addr=0x%lx\n", phy_addr);
3622         return 0;
3623
3624 err_share_dma_buf:
3625         ion_free(rk_fb->ion_client, handle);
3626         return -ENOMEM;
3627 }
3628 #endif
3629
3630 static int rk_fb_alloc_buffer(struct fb_info *fbi, int fb_id)
3631 {
3632         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3633         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3634         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3635         struct rk_lcdc_win *win = NULL;
3636         int win_id;
3637         int ret = 0;
3638         unsigned long fb_mem_size;
3639 #if !defined(CONFIG_ION_ROCKCHIP)
3640         dma_addr_t fb_mem_phys;
3641         void *fb_mem_virt;
3642 #endif
3643
3644         win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
3645         if (win_id < 0)
3646                 return -ENODEV;
3647         else
3648                 win = dev_drv->win[win_id];
3649
3650         if (!strcmp(fbi->fix.id, "fb0")) {
3651                 fb_mem_size = get_fb_size();
3652 #if defined(CONFIG_ION_ROCKCHIP)
3653                 if (rk_fb_alloc_buffer_by_ion(fbi, win, fb_mem_size) < 0)
3654                         return -ENOMEM;
3655 #else
3656                 fb_mem_virt = dma_alloc_writecombine(fbi->dev, fb_mem_size,
3657                                                      &fb_mem_phys, GFP_KERNEL);
3658                 if (!fb_mem_virt) {
3659                         pr_err("%s: Failed to allocate framebuffer\n",
3660                                __func__);
3661                         return -ENOMEM;
3662                 }
3663                 fbi->fix.smem_len = fb_mem_size;
3664                 fbi->fix.smem_start = fb_mem_phys;
3665                 fbi->screen_base = fb_mem_virt;
3666 #endif
3667                 memset(fbi->screen_base, 0, fbi->fix.smem_len);
3668                 printk(KERN_INFO "fb%d:phy:%lx>>vir:%p>>len:0x%x\n", fb_id,
3669                        fbi->fix.smem_start, fbi->screen_base,
3670                        fbi->fix.smem_len);
3671         } else {
3672                 if (dev_drv->rotate_mode > X_Y_MIRROR) {
3673                         fb_mem_size = get_rotate_fb_size();
3674 #if defined(CONFIG_ION_ROCKCHIP)
3675                         if (rk_fb_alloc_buffer_by_ion(fbi, win, fb_mem_size) < 0)
3676                                 return -ENOMEM;
3677 #else
3678                         fb_mem_virt =
3679                                 dma_alloc_writecombine(fbi->dev,
3680                                                        fb_mem_size,
3681                                                        &fb_mem_phys,
3682                                                        GFP_KERNEL);
3683                         if (!fb_mem_virt) {
3684                                 pr_err("%s: Failed to allocate framebuffer\n",
3685                                         __func__);
3686                                 return -ENOMEM;
3687                         }
3688                         fbi->fix.smem_len = fb_mem_size;
3689                         fbi->fix.smem_start = fb_mem_phys;
3690                         fbi->screen_base = fb_mem_virt;
3691 #endif
3692                 } else {
3693                         fbi->fix.smem_start = rk_fb->fb[0]->fix.smem_start;
3694                         fbi->fix.smem_len = rk_fb->fb[0]->fix.smem_len;
3695                         fbi->screen_base = rk_fb->fb[0]->screen_base;
3696                 }
3697
3698                 printk(KERN_INFO "fb%d:phy:%lx>>vir:%p>>len:0x%x\n", fb_id,
3699                        fbi->fix.smem_start, fbi->screen_base,
3700                        fbi->fix.smem_len);
3701         }
3702
3703         fbi->screen_size = fbi->fix.smem_len;
3704         fb_par->fb_phy_base = fbi->fix.smem_start;
3705         fb_par->fb_virt_base = fbi->screen_base;
3706         fb_par->fb_size = fbi->fix.smem_len;
3707
3708         return ret;
3709 }
3710
3711 #if 0
3712 static int rk_release_fb_buffer(struct fb_info *fbi)
3713 {
3714         /* buffer for fb1 and fb3 are alloc by android */
3715         if (!strcmp(fbi->fix.id, "fb1") || !strcmp(fbi->fix.id, "fb3"))
3716                 return 0;
3717         iounmap(fbi->screen_base);
3718         release_mem_region(fbi->fix.smem_start, fbi->fix.smem_len);
3719         return 0;
3720 }
3721 #endif
3722
3723 static int init_lcdc_win(struct rk_lcdc_driver *dev_drv,
3724                          struct rk_lcdc_win *def_win)
3725 {
3726         int i;
3727         int lcdc_win_num = dev_drv->lcdc_win_num;
3728
3729         for (i = 0; i < lcdc_win_num; i++) {
3730                 struct rk_lcdc_win *win = NULL;
3731                 win = kzalloc(sizeof(struct rk_lcdc_win), GFP_KERNEL);
3732                 if (!win) {
3733                         dev_err(dev_drv->dev, "kzmalloc for win fail!");
3734                         return -ENOMEM;
3735                 }
3736
3737                 strcpy(win->name, def_win[i].name);
3738                 win->id = def_win[i].id;
3739                 win->support_3d = def_win[i].support_3d;
3740                 dev_drv->win[i] = win;
3741         }
3742
3743         return 0;
3744 }
3745
3746 static int init_lcdc_device_driver(struct rk_fb *rk_fb,
3747                                    struct rk_lcdc_win *def_win, int index)
3748 {
3749         struct rk_lcdc_driver *dev_drv = rk_fb->lcdc_dev_drv[index];
3750         struct rk_screen *screen = devm_kzalloc(dev_drv->dev,
3751                                                 sizeof(struct rk_screen),
3752                                                 GFP_KERNEL);
3753
3754         if (!screen) {
3755                 dev_err(dev_drv->dev, "malloc screen for lcdc%d fail!",
3756                         dev_drv->id);
3757                 return -ENOMEM;
3758         }
3759
3760         screen->screen_id = 0;
3761         screen->lcdc_id = dev_drv->id;
3762         screen->overscan.left = 100;
3763         screen->overscan.top = 100;
3764         screen->overscan.right = 100;
3765         screen->overscan.bottom = 100;
3766
3767         screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3768         screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3769
3770         dev_drv->screen0 = screen;
3771         dev_drv->cur_screen = screen;
3772         /* devie use one lcdc + rk61x scaler for dual display */
3773         if (rk_fb->disp_mode == ONE_DUAL) {
3774                 struct rk_screen *screen1 =
3775                                 devm_kzalloc(dev_drv->dev,
3776                                              sizeof(struct rk_screen),
3777                                              GFP_KERNEL);
3778                 if (!screen1) {
3779                         dev_err(dev_drv->dev, "malloc screen1 for lcdc%d fail!",
3780                                 dev_drv->id);
3781                         return -ENOMEM;
3782                 }
3783                 screen1->screen_id = 1;
3784                 screen1->lcdc_id = 1;
3785                 dev_drv->screen1 = screen1;
3786         }
3787         sprintf(dev_drv->name, "lcdc%d", dev_drv->id);
3788         init_lcdc_win(dev_drv, def_win);
3789         init_completion(&dev_drv->frame_done);
3790         spin_lock_init(&dev_drv->cpl_lock);
3791         mutex_init(&dev_drv->fb_win_id_mutex);
3792         dev_drv->ops->fb_win_remap(dev_drv, dev_drv->fb_win_map);
3793         dev_drv->first_frame = 1;
3794         dev_drv->overscan.left = 100;
3795         dev_drv->overscan.top = 100;
3796         dev_drv->overscan.right = 100;
3797         dev_drv->overscan.bottom = 100;
3798         rk_disp_pwr_ctr_parse_dt(dev_drv);
3799         if (dev_drv->prop == PRMRY) {
3800                 if (dev_drv->ops->set_dsp_cabc)
3801                         dev_drv->ops->set_dsp_cabc(dev_drv, dev_drv->cabc_mode);
3802                 rk_fb_set_prmry_screen(screen);
3803                 rk_fb_get_prmry_screen(screen);
3804         }
3805         dev_drv->trsm_ops = rk_fb_trsm_ops_get(screen->type);
3806         if (dev_drv->prop != PRMRY)
3807                 rk_fb_get_prmry_screen(screen);
3808         dev_drv->output_color = screen->color_mode;
3809
3810         return 0;
3811 }
3812
3813 #ifdef CONFIG_LOGO_LINUX_BMP
3814 static struct linux_logo *bmp_logo;
3815 static int fb_prewine_bmp_logo(struct fb_info *info, int rotate)
3816 {
3817         bmp_logo = fb_find_logo(24);
3818         if (bmp_logo == NULL) {
3819                 printk(KERN_INFO "%s error\n", __func__);
3820                 return 0;
3821         }
3822         return 1;
3823 }
3824
3825 static void fb_show_bmp_logo(struct fb_info *info, int rotate)
3826 {
3827         unsigned char *src = bmp_logo->data;
3828         unsigned char *dst = info->screen_base;
3829         int i;
3830         unsigned int Needwidth = (*(src - 24) << 8) | (*(src - 23));
3831         unsigned int Needheight = (*(src - 22) << 8) | (*(src - 21));
3832
3833         for (i = 0; i < Needheight; i++)
3834                 memcpy(dst + info->var.xres * i * 4,
3835                        src + bmp_logo->width * i * 4, Needwidth * 4);
3836 }
3837 #endif
3838
3839 /*
3840  * check if the primary lcdc has registerd,
3841  * the primary lcdc mas register first
3842  */
3843 bool is_prmry_rk_lcdc_registered(void)
3844 {
3845         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3846
3847         if (rk_fb->lcdc_dev_drv[0])
3848                 return true;
3849         else
3850                 return false;
3851 }
3852
3853 int rk_fb_register(struct rk_lcdc_driver *dev_drv,
3854                    struct rk_lcdc_win *win, int id)
3855 {
3856         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3857         struct fb_info *fbi;
3858         struct rk_fb_par *fb_par = NULL;
3859         int i = 0, ret = 0, index = 0;
3860
3861         if (rk_fb->num_lcdc == RK30_MAX_LCDC_SUPPORT)
3862                 return -ENXIO;
3863
3864         for (i = 0; i < RK30_MAX_LCDC_SUPPORT; i++) {
3865                 if (!rk_fb->lcdc_dev_drv[i]) {
3866                         rk_fb->lcdc_dev_drv[i] = dev_drv;
3867                         rk_fb->lcdc_dev_drv[i]->id = id;
3868                         rk_fb->num_lcdc++;
3869                         break;
3870                 }
3871         }
3872
3873         index = i;
3874         init_lcdc_device_driver(rk_fb, win, index);
3875         dev_drv->fb_index_base = rk_fb->num_fb;
3876         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3877                 fbi = framebuffer_alloc(0, &fb_pdev->dev);
3878                 if (!fbi) {
3879                         dev_err(&fb_pdev->dev, "fb framebuffer_alloc fail!");
3880                         ret = -ENOMEM;
3881                 }
3882                 fb_par = devm_kzalloc(&fb_pdev->dev, sizeof(struct rk_fb_par),
3883                                       GFP_KERNEL);
3884                 if (!fb_par) {
3885                         dev_err(&fb_pdev->dev, "malloc fb_par for fb%d fail!",
3886                                 rk_fb->num_fb);
3887                         return -ENOMEM;
3888                 }
3889                 fb_par->id = rk_fb->num_fb;
3890                 fb_par->lcdc_drv = dev_drv;
3891                 fbi->par = (void *)fb_par;
3892                 fbi->var = def_var;
3893                 fbi->fix = def_fix;
3894                 sprintf(fbi->fix.id, "fb%d", rk_fb->num_fb);
3895                 fb_videomode_to_var(&fbi->var, &dev_drv->cur_screen->mode);
3896                 fbi->var.grayscale |=
3897                     (fbi->var.xres << 8) + (fbi->var.yres << 20);
3898 #if defined(CONFIG_LOGO_LINUX_BMP)
3899                 fbi->var.bits_per_pixel = 32;
3900 #else
3901                 fbi->var.bits_per_pixel = 16;
3902 #endif
3903                 fbi->fix.line_length =
3904                     (fbi->var.xres_virtual) * (fbi->var.bits_per_pixel >> 3);
3905                 fbi->var.width = dev_drv->cur_screen->width;
3906                 fbi->var.height = dev_drv->cur_screen->height;
3907                 fbi->var.pixclock = dev_drv->pixclock;
3908                 if (dev_drv->iommu_enabled)
3909                         fb_ops.fb_mmap = rk_fb_mmap;
3910                 fbi->fbops = &fb_ops;
3911                 fbi->flags = FBINFO_FLAG_DEFAULT;
3912                 fbi->pseudo_palette = dev_drv->win[i]->pseudo_pal;
3913                 ret = register_framebuffer(fbi);
3914                 if (ret < 0) {
3915                         dev_err(&fb_pdev->dev,
3916                                 "%s fb%d register_framebuffer fail!\n",
3917                                 __func__, rk_fb->num_fb);
3918                         return ret;
3919                 }
3920                 rkfb_create_sysfs(fbi);
3921                 rk_fb->fb[rk_fb->num_fb] = fbi;
3922                 dev_info(fbi->dev, "rockchip framebuffer registerd:%s\n",
3923                          fbi->fix.id);
3924                 rk_fb->num_fb++;
3925
3926                 if (i == 0) {
3927                         init_waitqueue_head(&dev_drv->vsync_info.wait);
3928                         init_waitqueue_head(&dev_drv->update_regs_wait);
3929                         ret = device_create_file(fbi->dev, &dev_attr_vsync);
3930                         if (ret)
3931                                 dev_err(fbi->dev,
3932                                         "failed to create vsync file\n");
3933                         dev_drv->vsync_info.thread =
3934                             kthread_run(rk_fb_wait_for_vsync_thread, dev_drv,
3935                                         "fb-vsync");
3936                         if (dev_drv->vsync_info.thread == ERR_PTR(-ENOMEM)) {
3937                                 dev_err(fbi->dev,
3938                                         "failed to run vsync thread\n");
3939                                 dev_drv->vsync_info.thread = NULL;
3940                         }
3941                         dev_drv->vsync_info.active = 1;
3942
3943                         mutex_init(&dev_drv->output_lock);
3944
3945                         INIT_LIST_HEAD(&dev_drv->update_regs_list);
3946                         mutex_init(&dev_drv->update_regs_list_lock);
3947                         init_kthread_worker(&dev_drv->update_regs_worker);
3948
3949                         dev_drv->update_regs_thread =
3950                             kthread_run(kthread_worker_fn,
3951                                         &dev_drv->update_regs_worker, "rk-fb");
3952                         if (IS_ERR(dev_drv->update_regs_thread)) {
3953                                 int err = PTR_ERR(dev_drv->update_regs_thread);
3954                                 dev_drv->update_regs_thread = NULL;
3955
3956                                 printk("failed to run update_regs thread\n");
3957                                 return err;
3958                         }
3959                         init_kthread_work(&dev_drv->update_regs_work,
3960                                           rk_fb_update_regs_handler);
3961
3962                         dev_drv->timeline =
3963                             sw_sync_timeline_create("fb-timeline");
3964                         dev_drv->timeline_max = 1;
3965                 }
3966         }
3967
3968         /* show logo for primary display device */
3969 #if !defined(CONFIG_FRAMEBUFFER_CONSOLE) && defined(CONFIG_LOGO)
3970         if (dev_drv->prop == PRMRY) {
3971                 struct fb_info *main_fbi = rk_fb->fb[0];
3972                 main_fbi->fbops->fb_open(main_fbi, 1);
3973
3974 #if defined(CONFIG_ROCKCHIP_IOMMU)
3975                 if (dev_drv->iommu_enabled) {
3976                         if (dev_drv->mmu_dev)
3977                                 rockchip_iovmm_set_fault_handler(dev_drv->dev,
3978                                                 rk_fb_sysmmu_fault_handler);
3979                 }
3980 #endif
3981
3982                 rk_fb_alloc_buffer(main_fbi, 0);        /* only alloc memory for main fb */
3983                 dev_drv->uboot_logo = support_uboot_display();
3984                 if (support_uboot_display()) {
3985                         /*
3986                         if (dev_drv->iommu_enabled)
3987                                 rk_fb_copy_from_loader(main_fbi);
3988                         */
3989                         return 0;
3990                 }
3991                 main_fbi->fbops->fb_set_par(main_fbi);
3992 #if  defined(CONFIG_LOGO_LINUX_BMP)
3993                 if (fb_prewine_bmp_logo(main_fbi, FB_ROTATE_UR)) {
3994                         fb_set_cmap(&main_fbi->cmap, main_fbi);
3995                         fb_show_bmp_logo(main_fbi, FB_ROTATE_UR);
3996                 }
3997 #else
3998                 if (fb_prepare_logo(main_fbi, FB_ROTATE_UR)) {
3999                         fb_set_cmap(&main_fbi->cmap, main_fbi);
4000                         fb_show_logo(main_fbi, FB_ROTATE_UR);
4001                 }
4002 #endif
4003                 main_fbi->fbops->fb_pan_display(&main_fbi->var, main_fbi);
4004         } else {
4005                 struct fb_info *extend_fbi = rk_fb->fb[rk_fb->num_fb >> 1];
4006                 int extend_fb_id = get_extend_fb_id(extend_fbi);
4007
4008                 rk_fb_alloc_buffer(extend_fbi, extend_fb_id);
4009         }
4010 #endif
4011         return 0;
4012 }
4013
4014 int rk_fb_unregister(struct rk_lcdc_driver *dev_drv)
4015 {
4016         struct rk_fb *fb_inf = platform_get_drvdata(fb_pdev);
4017         struct fb_info *fbi;
4018         int fb_index_base = dev_drv->fb_index_base;
4019         int fb_num = dev_drv->lcdc_win_num;
4020         int i = 0;
4021
4022         if (fb_inf->lcdc_dev_drv[i]->vsync_info.thread) {
4023                 fb_inf->lcdc_dev_drv[i]->vsync_info.irq_stop = 1;
4024                 kthread_stop(fb_inf->lcdc_dev_drv[i]->vsync_info.thread);
4025         }
4026
4027         for (i = 0; i < fb_num; i++)
4028                 kfree(dev_drv->win[i]);
4029
4030         for (i = fb_index_base; i < (fb_index_base + fb_num); i++) {
4031                 fbi = fb_inf->fb[i];
4032                 unregister_framebuffer(fbi);
4033                 /* rk_release_fb_buffer(fbi); */
4034                 framebuffer_release(fbi);
4035         }
4036         fb_inf->lcdc_dev_drv[dev_drv->id] = NULL;
4037         fb_inf->num_lcdc--;
4038
4039         return 0;
4040 }
4041
4042 static int rk_fb_probe(struct platform_device *pdev)
4043 {
4044         struct rk_fb *rk_fb = NULL;
4045         struct device_node *np = pdev->dev.of_node;
4046         u32 mode;
4047
4048         if (!np) {
4049                 dev_err(&pdev->dev, "Missing device tree node.\n");
4050                 return -EINVAL;
4051         }
4052
4053         rk_fb = devm_kzalloc(&pdev->dev, sizeof(struct rk_fb), GFP_KERNEL);
4054         if (!rk_fb) {
4055                 dev_err(&pdev->dev, "kmalloc for rk fb fail!");
4056                 return -ENOMEM;
4057         }
4058         platform_set_drvdata(pdev, rk_fb);
4059
4060         if (!of_property_read_u32(np, "rockchip,disp-mode", &mode)) {
4061                 rk_fb->disp_mode = mode;
4062
4063         } else {
4064                 dev_err(&pdev->dev, "no disp-mode node found!");
4065                 return -ENODEV;
4066         }
4067
4068         if (!of_property_read_u32(np, "rockchip,disp-policy", &mode)) {
4069                 rk_fb->disp_policy = mode;
4070                 pr_info("fb disp policy is %s\n", rk_fb->disp_policy ? "box":"sdk");
4071         }
4072
4073         if (!of_property_read_u32(np, "rockchip,uboot-logo-on", &uboot_logo_on))
4074                 printk(KERN_DEBUG "uboot-logo-on:%d\n", uboot_logo_on);
4075
4076         dev_set_name(&pdev->dev, "rockchip-fb");
4077 #if defined(CONFIG_ION_ROCKCHIP)
4078         rk_fb->ion_client = rockchip_ion_client_create("rk_fb");
4079         if (IS_ERR(rk_fb->ion_client)) {
4080                 dev_err(&pdev->dev, "failed to create ion client for rk fb");
4081                 return PTR_ERR(rk_fb->ion_client);
4082         } else {
4083                 dev_info(&pdev->dev, "rk fb ion client create success!\n");
4084         }
4085 #endif
4086
4087         fb_pdev = pdev;
4088         dev_info(&pdev->dev, "rockchip framebuffer driver probe\n");
4089         return 0;
4090 }
4091
4092 static int rk_fb_remove(struct platform_device *pdev)
4093 {
4094         struct rk_fb *rk_fb = platform_get_drvdata(pdev);
4095
4096         kfree(rk_fb);
4097         platform_set_drvdata(pdev, NULL);
4098         return 0;
4099 }
4100
4101 static void rk_fb_shutdown(struct platform_device *pdev)
4102 {
4103         struct rk_fb *rk_fb = platform_get_drvdata(pdev);
4104         int i;
4105
4106         for (i = 0; i < rk_fb->num_lcdc; i++) {
4107                 if (!rk_fb->lcdc_dev_drv[i])
4108                         continue;
4109         }
4110 }
4111
4112 static const struct of_device_id rkfb_dt_ids[] = {
4113         {.compatible = "rockchip,rk-fb",},
4114         {}
4115 };
4116
4117 static struct platform_driver rk_fb_driver = {
4118         .probe = rk_fb_probe,
4119         .remove = rk_fb_remove,
4120         .driver = {
4121                    .name = "rk-fb",
4122                    .owner = THIS_MODULE,
4123                    .of_match_table = of_match_ptr(rkfb_dt_ids),
4124                    },
4125         .shutdown = rk_fb_shutdown,
4126 };
4127
4128 static int __init rk_fb_init(void)
4129 {
4130         return platform_driver_register(&rk_fb_driver);
4131 }
4132
4133 static void __exit rk_fb_exit(void)
4134 {
4135         platform_driver_unregister(&rk_fb_driver);
4136 }
4137
4138 fs_initcall(rk_fb_init);
4139 module_exit(rk_fb_exit);