drivers/video/rockchip/rk_fb.c

   1 /*
   2  * drivers/video/rockchip/rk_fb.c
   3  *
   4  * Copyright (C) ROCKCHIP, Inc.
   5  * Author:yxj<yxj@rock-chips.com>
   6  * This software is licensed under the terms of the GNU General Public
   7  * License version 2, as published by the Free Software Foundation, and
   8  * may be copied, distributed, and modified under those terms.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  */
  15
  16 #include <linux/module.h>
  17 #include <linux/kernel.h>
  18 #include <linux/errno.h>
  19 #include <linux/string.h>
  20 #include <linux/mm.h>
  21 #include <linux/slab.h>
  22 #include <linux/delay.h>
  23 #include <linux/device.h>
  24 #include <linux/kthread.h>
  25 #include <linux/fb.h>
  26 #include <linux/init.h>
  27 #include <asm/div64.h>
  28 #include <linux/uaccess.h>
  29 #include <linux/rk_fb.h>
  30 #include <linux/linux_logo.h>
  31 #include <linux/dma-mapping.h>
  32
  33 #if defined(CONFIG_RK_HDMI)
  34 #include "hdmi/rk_hdmi.h"
  35 #endif
  36
  37 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
  38 #include "rga/rga.h"
  39 #endif
  40
  41 #ifdef CONFIG_OF
  42 #include <linux/of.h>
  43 #include <linux/of_platform.h>
  44 #include <linux/of_gpio.h>
  45 #include <video/of_display_timing.h>
  46 #include <video/display_timing.h>
  47 #include <dt-bindings/rkfb/rk_fb.h>
  48 #endif
  49
  50 #if defined(CONFIG_ION_ROCKCHIP)
  51 #include <linux/rockchip_ion.h>
  52 #include <linux/rockchip-iovmm.h>
  53 #include <linux/dma-buf.h>
  54 #include <linux/highmem.h>
  55 #endif
  56
  57 #define H_USE_FENCE 1
  58 static int hdmi_switch_complete;
  59 static struct platform_device *fb_pdev;
  60 struct list_head saved_list;
  61
  62 #if defined(CONFIG_FB_MIRRORING)
  63 int (*video_data_to_mirroring) (struct fb_info *info, u32 yuv_phy[2]);
  64 EXPORT_SYMBOL(video_data_to_mirroring);
  65 #endif
  66
  67 struct rk_fb_reg_win_data g_reg_win_data[4];
  68 static int g_last_win_num;
  69 static int g_first_buf = 1;
  70 static struct rk_fb_trsm_ops *trsm_lvds_ops;
  71 static struct rk_fb_trsm_ops *trsm_edp_ops;
  72 static struct rk_fb_trsm_ops *trsm_mipi_ops;
  73 static int uboot_logo_on;
  74 int support_uboot_display(void)
  75 {
  76         return uboot_logo_on;
  77 }
  78
  79 int rk_fb_trsm_ops_register(struct rk_fb_trsm_ops *ops, int type)
  80 {
  81         switch (type) {
  82         case SCREEN_RGB:
  83         case SCREEN_LVDS:
  84         case SCREEN_DUAL_LVDS:
  85                 trsm_lvds_ops = ops;
  86                 break;
  87         case SCREEN_EDP:
  88                 trsm_edp_ops = ops;
  89                 break;
  90         case SCREEN_MIPI:
  91         case SCREEN_DUAL_MIPI:
  92                 trsm_mipi_ops = ops;
  93                 break;
  94         default:
  95                 printk(KERN_WARNING "%s:un supported transmitter:%d!\n",
  96                        __func__, type);
  97                 break;
  98         }
  99         return 0;
 100 }
 101
 102 struct rk_fb_trsm_ops *rk_fb_trsm_ops_get(int type)
 103 {
 104         struct rk_fb_trsm_ops *ops;
 105         switch (type) {
 106         case SCREEN_RGB:
 107         case SCREEN_LVDS:
 108         case SCREEN_DUAL_LVDS:
 109                 ops = trsm_lvds_ops;
 110                 break;
 111         case SCREEN_EDP:
 112                 ops = trsm_edp_ops;
 113                 break;
 114         case SCREEN_MIPI:
 115         case SCREEN_DUAL_MIPI:
 116                 ops = trsm_mipi_ops;
 117                 break;
 118         default:
 119                 ops = NULL;
 120                 printk(KERN_WARNING "%s:un supported transmitter:%d!\n",
 121                        __func__, type);
 122                 break;
 123         }
 124         return ops;
 125 }
 126
 127 int rk_fb_pixel_width(int data_format)
 128 {
 129         int pixel_width;
 130         switch (data_format) {
 131         case XBGR888:
 132         case ABGR888:
 133         case ARGB888:
 134                 pixel_width = 4 * 8;
 135                 break;
 136         case RGB888:
 137                 pixel_width = 3 * 8;
 138                 break;
 139         case RGB565:
 140                 pixel_width = 2 * 8;
 141                 break;
 142         case YUV422:
 143         case YUV420:
 144         case YUV444:
 145                 pixel_width = 1 * 8;
 146                 break;
 147         case YUV422_A:
 148         case YUV420_A:
 149         case YUV444_A:
 150                 pixel_width = 8;
 151                 break;
 152         default:
 153                 printk(KERN_WARNING "%s:un supported format:0x%x\n",
 154                        __func__, data_format);
 155                 return -EINVAL;
 156         }
 157         return pixel_width;
 158 }
 159
 160 static int rk_fb_data_fmt(int data_format, int bits_per_pixel)
 161 {
 162         int fb_data_fmt;
 163         if (data_format) {
 164                 switch (data_format) {
 165                 case HAL_PIXEL_FORMAT_RGBX_8888:
 166                         fb_data_fmt = XBGR888;
 167                         break;
 168                 case HAL_PIXEL_FORMAT_RGBA_8888:
 169                         fb_data_fmt = ABGR888;
 170                         break;
 171                 case HAL_PIXEL_FORMAT_BGRA_8888:
 172                         fb_data_fmt = ARGB888;
 173                         break;
 174                 case HAL_PIXEL_FORMAT_RGB_888:
 175                         fb_data_fmt = RGB888;
 176                         break;
 177                 case HAL_PIXEL_FORMAT_RGB_565:
 178                         fb_data_fmt = RGB565;
 179                         break;
 180                 case HAL_PIXEL_FORMAT_YCbCr_422_SP:     /* yuv422 */
 181                         fb_data_fmt = YUV422;
 182                         break;
 183                 case HAL_PIXEL_FORMAT_YCrCb_NV12:       /* YUV420---uvuvuv */
 184                         fb_data_fmt = YUV420;
 185                         break;
 186                 case HAL_PIXEL_FORMAT_YCrCb_444:        /* yuv444 */
 187                         fb_data_fmt = YUV444;
 188                         break;
 189                 case HAL_PIXEL_FORMAT_YCrCb_NV12_10:    /* yuv444 */
 190                         fb_data_fmt = YUV420_A;
 191                         break;
 192                 case HAL_PIXEL_FORMAT_YCbCr_422_SP_10:  /* yuv444 */
 193                         fb_data_fmt = YUV422_A;
 194                         break;
 195                 case HAL_PIXEL_FORMAT_YCrCb_420_SP_10:  /* yuv444 */
 196                         fb_data_fmt = YUV444_A;
 197                         break;
 198                 default:
 199                         printk(KERN_WARNING "%s:un supported format:0x%x\n",
 200                                __func__, data_format);
 201                         return -EINVAL;
 202                 }
 203         } else {
 204                 switch (bits_per_pixel) {
 205                 case 32:
 206                         fb_data_fmt = ARGB888;
 207                         break;
 208                 case 16:
 209                         fb_data_fmt = RGB565;
 210                         break;
 211                 default:
 212                         printk(KERN_WARNING
 213                                "%s:un supported bits_per_pixel:%d\n", __func__,
 214                                bits_per_pixel);
 215                         break;
 216                 }
 217         }
 218         return fb_data_fmt;
 219 }
 220
 221 /*
 222  * rk display power control parse from dts
 223  */
 224 int rk_disp_pwr_ctr_parse_dt(struct rk_lcdc_driver *dev_drv)
 225 {
 226         struct device_node *root = of_get_child_by_name(dev_drv->dev->of_node,
 227                                                         "power_ctr");
 228         struct device_node *child;
 229         struct rk_disp_pwr_ctr_list *pwr_ctr;
 230         struct list_head *pos;
 231         enum of_gpio_flags flags;
 232         u32 val = 0;
 233         u32 debug = 0;
 234         int ret;
 235
 236         INIT_LIST_HEAD(&dev_drv->pwrlist_head);
 237         if (!root) {
 238                 dev_err(dev_drv->dev, "can't find power_ctr node for lcdc%d\n",
 239                         dev_drv->id);
 240                 return -ENODEV;
 241         }
 242
 243         for_each_child_of_node(root, child) {
 244                 pwr_ctr = kmalloc(sizeof(struct rk_disp_pwr_ctr_list),
 245                                   GFP_KERNEL);
 246                 strcpy(pwr_ctr->pwr_ctr.name, child->name);
 247                 if (!of_property_read_u32(child, "rockchip,power_type", &val)) {
 248                         if (val == GPIO) {
 249                                 pwr_ctr->pwr_ctr.type = GPIO;
 250                                 pwr_ctr->pwr_ctr.gpio = of_get_gpio_flags(child, 0, &flags);
 251                                 if (!gpio_is_valid(pwr_ctr->pwr_ctr.gpio)) {
 252                                         dev_err(dev_drv->dev, "%s ivalid gpio\n",
 253                                                 child->name);
 254                                         return -EINVAL;
 255                                 }
 256                                 pwr_ctr->pwr_ctr.atv_val = !(flags & OF_GPIO_ACTIVE_LOW);
 257                                 ret = gpio_request(pwr_ctr->pwr_ctr.gpio,
 258                                                    child->name);
 259                                 if (ret) {
 260                                         dev_err(dev_drv->dev,
 261                                                 "request %s gpio fail:%d\n",
 262                                                 child->name, ret);
 263                                 }
 264
 265                         } else {
 266                                 pwr_ctr->pwr_ctr.type = REGULATOR;
 267
 268                         }
 269                 };
 270                 of_property_read_u32(child, "rockchip,delay", &val);
 271                 pwr_ctr->pwr_ctr.delay = val;
 272                 list_add_tail(&pwr_ctr->list, &dev_drv->pwrlist_head);
 273         }
 274
 275         of_property_read_u32(root, "rockchip,debug", &debug);
 276
 277         if (debug) {
 278                 list_for_each(pos, &dev_drv->pwrlist_head) {
 279                         pwr_ctr = list_entry(pos, struct rk_disp_pwr_ctr_list,
 280                                              list);
 281                         printk(KERN_INFO "pwr_ctr_name:%s\n"
 282                                "pwr_type:%s\n"
 283                                "gpio:%d\n"
 284                                "atv_val:%d\n"
 285                                "delay:%d\n\n",
 286                                pwr_ctr->pwr_ctr.name,
 287                                (pwr_ctr->pwr_ctr.type == GPIO) ? "gpio" : "regulator",
 288                                pwr_ctr->pwr_ctr.gpio,
 289                                pwr_ctr->pwr_ctr.atv_val,
 290                                pwr_ctr->pwr_ctr.delay);
 291                 }
 292         }
 293
 294         return 0;
 295
 296 }
 297
 298 int rk_disp_pwr_enable(struct rk_lcdc_driver *dev_drv)
 299 {
 300         struct list_head *pos;
 301         struct rk_disp_pwr_ctr_list *pwr_ctr_list;
 302         struct pwr_ctr *pwr_ctr;
 303         if (list_empty(&dev_drv->pwrlist_head))
 304                 return 0;
 305         list_for_each(pos, &dev_drv->pwrlist_head) {
 306                 pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list,
 307                                           list);
 308                 pwr_ctr = &pwr_ctr_list->pwr_ctr;
 309                 if (pwr_ctr->type == GPIO) {
 310                         gpio_direction_output(pwr_ctr->gpio, pwr_ctr->atv_val);
 311                         mdelay(pwr_ctr->delay);
 312                 }
 313         }
 314
 315         return 0;
 316 }
 317
 318 int rk_disp_pwr_disable(struct rk_lcdc_driver *dev_drv)
 319 {
 320         struct list_head *pos;
 321         struct rk_disp_pwr_ctr_list *pwr_ctr_list;
 322         struct pwr_ctr *pwr_ctr;
 323         if (list_empty(&dev_drv->pwrlist_head))
 324                 return 0;
 325         list_for_each(pos, &dev_drv->pwrlist_head) {
 326                 pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list,
 327                                           list);
 328                 pwr_ctr = &pwr_ctr_list->pwr_ctr;
 329                 if (pwr_ctr->type == GPIO)
 330                         gpio_set_value(pwr_ctr->gpio, !pwr_ctr->atv_val);
 331         }
 332         return 0;
 333 }
 334
 335 int rk_fb_video_mode_from_timing(const struct display_timing *dt,
 336                                  struct rk_screen *screen)
 337 {
 338         screen->mode.pixclock = dt->pixelclock.typ;
 339         screen->mode.left_margin = dt->hback_porch.typ;
 340         screen->mode.right_margin = dt->hfront_porch.typ;
 341         screen->mode.xres = dt->hactive.typ;
 342         screen->mode.hsync_len = dt->hsync_len.typ;
 343         screen->mode.upper_margin = dt->vback_porch.typ;
 344         screen->mode.lower_margin = dt->vfront_porch.typ;
 345         screen->mode.yres = dt->vactive.typ;
 346         screen->mode.vsync_len = dt->vsync_len.typ;
 347         screen->type = dt->screen_type;
 348         screen->lvds_format = dt->lvds_format;
 349         screen->face = dt->face;
 350         screen->color_mode = dt->color_mode;
 351         screen->dsp_lut = dt->dsp_lut;
 352
 353         if (dt->flags & DISPLAY_FLAGS_PIXDATA_POSEDGE)
 354                 screen->pin_dclk = 1;
 355         else
 356                 screen->pin_dclk = 0;
 357         if (dt->flags & DISPLAY_FLAGS_HSYNC_HIGH)
 358                 screen->pin_hsync = 1;
 359         else
 360                 screen->pin_hsync = 0;
 361         if (dt->flags & DISPLAY_FLAGS_VSYNC_HIGH)
 362                 screen->pin_vsync = 1;
 363         else
 364                 screen->pin_vsync = 0;
 365         if (dt->flags & DISPLAY_FLAGS_DE_HIGH)
 366                 screen->pin_den = 1;
 367         else
 368                 screen->pin_den = 0;
 369
 370         return 0;
 371
 372 }
 373
 374 int rk_fb_prase_timing_dt(struct device_node *np, struct rk_screen *screen)
 375 {
 376         struct display_timings *disp_timing;
 377         struct display_timing *dt;
 378         disp_timing = of_get_display_timings(np);
 379         if (!disp_timing) {
 380                 pr_err("parse display timing err\n");
 381                 return -EINVAL;
 382         }
 383         dt = display_timings_get(disp_timing, disp_timing->native_mode);
 384         rk_fb_video_mode_from_timing(dt, screen);
 385         return 0;
 386
 387 }
 388
 389 int rk_fb_calc_fps(struct rk_screen *screen, u32 pixclock)
 390 {
 391         int x, y;
 392         unsigned long long hz;
 393         if (!screen) {
 394                 printk(KERN_ERR "%s:null screen!\n", __func__);
 395                 return 0;
 396         }
 397         x = screen->mode.xres + screen->mode.left_margin +
 398             screen->mode.right_margin + screen->mode.hsync_len;
 399         y = screen->mode.yres + screen->mode.upper_margin +
 400             screen->mode.lower_margin + screen->mode.vsync_len;
 401
 402         hz = 1000000000000ULL;  /* 1e12 picoseconds per second */
 403
 404         hz += (x * y) / 2;
 405         do_div(hz, x * y);      /* divide by x * y with rounding */
 406
 407         hz += pixclock / 2;
 408         do_div(hz, pixclock);   /* divide by pixclock with rounding */
 409
 410         return hz;
 411 }
 412
 413 char *get_format_string(enum data_format format, char *fmt)
 414 {
 415         if (!fmt)
 416                 return NULL;
 417         switch (format) {
 418         case ARGB888:
 419                 strcpy(fmt, "ARGB888");
 420                 break;
 421         case RGB888:
 422                 strcpy(fmt, "RGB888");
 423                 break;
 424         case RGB565:
 425                 strcpy(fmt, "RGB565");
 426                 break;
 427         case YUV420:
 428                 strcpy(fmt, "YUV420");
 429                 break;
 430         case YUV422:
 431                 strcpy(fmt, "YUV422");
 432                 break;
 433         case YUV444:
 434                 strcpy(fmt, "YUV444");
 435                 break;
 436         case YUV420_A:
 437                 strcpy(fmt, "YUV420_A");
 438                 break;
 439         case YUV422_A:
 440                 strcpy(fmt, "YUV422_A");
 441                 break;
 442         case YUV444_A:
 443                 strcpy(fmt, "YUV444_A");
 444                 break;
 445         case XRGB888:
 446                 strcpy(fmt, "XRGB888");
 447                 break;
 448         case XBGR888:
 449                 strcpy(fmt, "XBGR888");
 450                 break;
 451         case ABGR888:
 452                 strcpy(fmt, "XBGR888");
 453                 break;
 454         default:
 455                 strcpy(fmt, "invalid");
 456                 break;
 457         }
 458
 459         return fmt;
 460
 461 }
 462
 463 /*
 464  * this is for hdmi
 465  * name: lcdc device name ,lcdc0 , lcdc1
 466  */
 467 struct rk_lcdc_driver *rk_get_lcdc_drv(char *name)
 468 {
 469         struct rk_fb *inf = NULL;
 470         struct rk_lcdc_driver *dev_drv = NULL;
 471         int i = 0;
 472
 473         if (likely(fb_pdev))
 474                 inf = platform_get_drvdata(fb_pdev);
 475         else
 476                 return NULL;
 477
 478         for (i = 0; i < inf->num_lcdc; i++) {
 479                 if (!strcmp(inf->lcdc_dev_drv[i]->name, name)) {
 480                         dev_drv = inf->lcdc_dev_drv[i];
 481                         break;
 482                 }
 483         }
 484
 485         return dev_drv;
 486 }
 487
 488 static struct rk_lcdc_driver *rk_get_prmry_lcdc_drv(void)
 489 {
 490         struct rk_fb *inf = NULL;
 491         struct rk_lcdc_driver *dev_drv = NULL;
 492         int i = 0;
 493
 494         if (likely(fb_pdev))
 495                 inf = platform_get_drvdata(fb_pdev);
 496         else
 497                 return NULL;
 498
 499         for (i = 0; i < inf->num_lcdc; i++) {
 500                 if (inf->lcdc_dev_drv[i]->prop == PRMRY) {
 501                         dev_drv = inf->lcdc_dev_drv[i];
 502                         break;
 503                 }
 504         }
 505
 506         return dev_drv;
 507 }
 508
 509 /*
 510  * get one frame time of the prmry screen, unit: us
 511  */
 512 u32 rk_fb_get_prmry_screen_ft(void)
 513 {
 514         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 515         uint32_t htotal, vtotal, pixclock_ps;
 516         u64 pix_total, ft_us;
 517
 518         if (unlikely(!dev_drv))
 519                 return 0;
 520
 521         pixclock_ps = dev_drv->pixclock;
 522
 523         vtotal = (dev_drv->cur_screen->mode.upper_margin +
 524                  dev_drv->cur_screen->mode.lower_margin +
 525                  dev_drv->cur_screen->mode.yres +
 526                  dev_drv->cur_screen->mode.vsync_len);
 527         htotal = (dev_drv->cur_screen->mode.left_margin +
 528                  dev_drv->cur_screen->mode.right_margin +
 529                  dev_drv->cur_screen->mode.xres +
 530                  dev_drv->cur_screen->mode.hsync_len);
 531         pix_total = htotal * vtotal;
 532         ft_us = pix_total * pixclock_ps;
 533         do_div(ft_us, 1000000);
 534         if (dev_drv->frame_time.ft == 0)
 535                 dev_drv->frame_time.ft = ft_us;
 536
 537         ft_us = dev_drv->frame_time.framedone_t - dev_drv->frame_time.last_framedone_t;
 538         do_div(ft_us, 1000);
 539         ft_us = min(dev_drv->frame_time.ft, (u32)ft_us);
 540         if (ft_us != 0)
 541                 dev_drv->frame_time.ft = ft_us;
 542
 543         return dev_drv->frame_time.ft;
 544 }
 545
 546 /*
 547  * get the vblanking time of the prmry screen, unit: us
 548  */
 549 u32 rk_fb_get_prmry_screen_vbt(void)
 550 {
 551         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 552         uint32_t htotal, vblank, pixclock_ps;
 553         u64 pix_blank, vbt_us;
 554
 555         if (unlikely(!dev_drv))
 556                 return 0;
 557
 558         pixclock_ps = dev_drv->pixclock;
 559
 560         htotal = (dev_drv->cur_screen->mode.left_margin +
 561                  dev_drv->cur_screen->mode.right_margin +
 562                  dev_drv->cur_screen->mode.xres +
 563                  dev_drv->cur_screen->mode.hsync_len);
 564         vblank = (dev_drv->cur_screen->mode.upper_margin +
 565                  dev_drv->cur_screen->mode.lower_margin +
 566                  dev_drv->cur_screen->mode.vsync_len);
 567         pix_blank = htotal * vblank;
 568         vbt_us = pix_blank * pixclock_ps;
 569         do_div(vbt_us, 1000000);
 570         return (u32)vbt_us;
 571 }
 572
 573 /*
 574  * get the frame done time of the prmry screen, unit: us
 575  */
 576 u64 rk_fb_get_prmry_screen_framedone_t(void)
 577 {
 578         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 579
 580         if (unlikely(!dev_drv))
 581                 return 0;
 582         else
 583                 return dev_drv->frame_time.framedone_t;
 584 }
 585
 586 /*
 587  * set prmry screen status
 588  */
 589 int rk_fb_set_prmry_screen_status(int status)
 590 {
 591         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 592         struct rk_screen *screen;
 593
 594         if (unlikely(!dev_drv))
 595                 return 0;
 596
 597         screen = dev_drv->cur_screen;
 598         switch (status) {
 599         case SCREEN_PREPARE_DDR_CHANGE:
 600                 if (screen->type == SCREEN_MIPI
 601                         || screen->type == SCREEN_DUAL_MIPI) {
 602                         if (dev_drv->trsm_ops->dsp_pwr_off)
 603                                 dev_drv->trsm_ops->dsp_pwr_off();
 604                 }
 605                 break;
 606         case SCREEN_UNPREPARE_DDR_CHANGE:
 607                 if (screen->type == SCREEN_MIPI
 608                         || screen->type == SCREEN_DUAL_MIPI) {
 609                         if (dev_drv->trsm_ops->dsp_pwr_on)
 610                                 dev_drv->trsm_ops->dsp_pwr_on();
 611                 }
 612                 break;
 613         default:
 614                 break;
 615         }
 616
 617         return 0;
 618 }
 619
 620 static struct rk_lcdc_driver *rk_get_extend_lcdc_drv(void)
 621 {
 622         struct rk_fb *inf = NULL;
 623         struct rk_lcdc_driver *dev_drv = NULL;
 624         int i = 0;
 625
 626         if (likely(fb_pdev))
 627                 inf = platform_get_drvdata(fb_pdev);
 628         else
 629                 return NULL;
 630
 631         for (i = 0; i < inf->num_lcdc; i++) {
 632                 if (inf->lcdc_dev_drv[i]->prop == EXTEND) {
 633                         dev_drv = inf->lcdc_dev_drv[i];
 634                         break;
 635                 }
 636         }
 637
 638         return dev_drv;
 639 }
 640
 641 u32 rk_fb_get_prmry_screen_pixclock(void)
 642 {
 643         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 644
 645         if (unlikely(!dev_drv))
 646                 return 0;
 647         else
 648                 return dev_drv->pixclock;
 649 }
 650
 651 int rk_fb_poll_prmry_screen_vblank(void)
 652 {
 653         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 654
 655         if (likely(dev_drv)) {
 656                 if (dev_drv->ops->poll_vblank)
 657                         return dev_drv->ops->poll_vblank(dev_drv);
 658                 else
 659                         return RK_LF_STATUS_NC;
 660         } else {
 661                 return RK_LF_STATUS_NC;
 662         }
 663 }
 664
 665 bool rk_fb_poll_wait_frame_complete(void)
 666 {
 667         uint32_t timeout = RK_LF_MAX_TIMEOUT;
 668         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 669
 670         if (likely(dev_drv)) {
 671                 if (dev_drv->ops->set_irq_to_cpu)
 672                         dev_drv->ops->set_irq_to_cpu(dev_drv, 0);
 673         }
 674
 675         if (rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_NC) {
 676                 if (likely(dev_drv)) {
 677                         if (dev_drv->ops->set_irq_to_cpu)
 678                                 dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
 679                 }
 680                 return false;
 681         }
 682         while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FR) && --timeout)
 683                 ;
 684         while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FC) && --timeout)
 685                 ;
 686         if (likely(dev_drv)) {
 687                 if (dev_drv->ops->set_irq_to_cpu)
 688                         dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
 689         }
 690
 691         return true;
 692 }
 693
 694
 695 /* rk_fb_get_sysmmu_device_by_compatible()
 696  * @compt: dts device compatible name
 697  * return value: success: pointer to the device inside of platform device
 698  *               fail: NULL
 699  */
 700 struct device *rk_fb_get_sysmmu_device_by_compatible(const char *compt)
 701 {
 702         struct device_node *dn = NULL;
 703         struct platform_device *pd = NULL;
 704         struct device *ret = NULL ;
 705
 706         dn = of_find_compatible_node(NULL, NULL, compt);
 707         if (!dn) {
 708                 printk("can't find device node %s \r\n", compt);
 709                 return NULL;
 710         }
 711
 712         pd = of_find_device_by_node(dn);
 713         if (!pd) {
 714                 printk("can't find platform device in device node %s \r\n", compt);
 715                 return  NULL;
 716         }
 717         ret = &pd->dev;
 718
 719         return ret;
 720 }
 721
 722 #ifdef CONFIG_IOMMU_API
 723 void rk_fb_platform_set_sysmmu(struct device *sysmmu, struct device *dev)
 724 {
 725         dev->archdata.iommu = sysmmu;
 726 }
 727 #else
 728 void rk_fb_platform_set_sysmmu(struct device *sysmmu, struct device *dev)
 729 {
 730
 731 }
 732 #endif
 733
 734 static int rk_fb_open(struct fb_info *info, int user)
 735 {
 736         struct rk_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                         info->fix.smem_start = win->reserved;
 780                         info->var.xres = dev_drv->screen0->mode.xres;
 781                         info->var.yres = dev_drv->screen0->mode.yres;
 782                         /*
 783                         info->var.grayscale |=
 784                             (info->var.xres << 8) + (info->var.yres << 20);
 785                         */
 786                         info->var.xres_virtual = info->var.xres;
 787                         info->var.yres_virtual = info->var.yres;
 788 #if defined(CONFIG_LOGO_LINUX_BMP)
 789                         info->var.bits_per_pixel = 32;
 790 #else
 791                         info->var.bits_per_pixel = 16;
 792 #endif
 793                         info->fix.line_length =
 794                             (info->var.xres_virtual) * (info->var.bits_per_pixel >> 3);
 795                         info->var.width = dev_drv->screen0->width;
 796                         info->var.height = dev_drv->screen0->height;
 797                         info->var.pixclock = dev_drv->pixclock;
 798                         info->var.left_margin = dev_drv->screen0->mode.left_margin;
 799                         info->var.right_margin = dev_drv->screen0->mode.right_margin;
 800                         info->var.upper_margin = dev_drv->screen0->mode.upper_margin;
 801                         info->var.lower_margin = dev_drv->screen0->mode.lower_margin;
 802                         info->var.vsync_len = dev_drv->screen0->mode.vsync_len;
 803                         info->var.hsync_len = dev_drv->screen0->mode.hsync_len;
 804                 }
 805         }
 806
 807         return 0;
 808 }
 809
 810
 811 #if defined(CONFIG_RK29_IPP)
 812 static int get_ipp_format(int fmt)
 813 {
 814         int ipp_fmt = IPP_XRGB_8888;
 815         switch (fmt) {
 816         case HAL_PIXEL_FORMAT_RGBX_8888:
 817         case HAL_PIXEL_FORMAT_RGBA_8888:
 818         case HAL_PIXEL_FORMAT_BGRA_8888:
 819         case HAL_PIXEL_FORMAT_RGB_888:
 820                 ipp_fmt = IPP_XRGB_8888;
 821                 break;
 822         case HAL_PIXEL_FORMAT_RGB_565:
 823                 ipp_fmt = IPP_RGB_565;
 824                 break;
 825         case HAL_PIXEL_FORMAT_YCbCr_422_SP:
 826                 ipp_fmt = IPP_Y_CBCR_H2V1;
 827                 break;
 828         case HAL_PIXEL_FORMAT_YCrCb_NV12:
 829                 ipp_fmt = IPP_Y_CBCR_H2V2;
 830                 break;
 831         case HAL_PIXEL_FORMAT_YCrCb_444:
 832                 ipp_fmt = IPP_Y_CBCR_H1V1;
 833                 break;
 834         default:
 835                 ipp_fmt = IPP_IMGTYPE_LIMIT;
 836                 break;
 837         }
 838
 839         return ipp_fmt;
 840 }
 841
 842 static void ipp_win_check(int *dst_w, int *dst_h, int *dst_vir_w,
 843                           int rotation, int fmt)
 844 {
 845         int align16 = 2;
 846         int align64 = 8;
 847
 848         if (fmt == IPP_XRGB_8888) {
 849                 align16 = 1;
 850                 align64 = 2;
 851         } else if (fmt == IPP_RGB_565) {
 852                 align16 = 1;
 853                 align64 = 4;
 854         } else {
 855                 align16 = 2;
 856                 align64 = 8;
 857         }
 858         align16 -= 1;           /*for YUV, 1 */
 859         align64 -= 1;           /*for YUV, 7 */
 860
 861         if (rotation == IPP_ROT_0) {
 862                 if (fmt > IPP_RGB_565) {
 863                         if ((*dst_w & 1) != 0)
 864                                 *dst_w = *dst_w + 1;
 865                         if ((*dst_h & 1) != 0)
 866                                 *dst_h = *dst_h + 1;
 867                         if (*dst_vir_w < *dst_w)
 868                                 *dst_vir_w = *dst_w;
 869                 }
 870         } else {
 871                 if ((*dst_w & align64) != 0)
 872                         *dst_w = (*dst_w + align64) & (~align64);
 873                 if ((fmt > IPP_RGB_565) && ((*dst_h & 1) == 1))
 874                         *dst_h = *dst_h + 1;
 875                 if (*dst_vir_w < *dst_w)
 876                         *dst_vir_w = *dst_w;
 877         }
 878 }
 879
 880 static void fb_copy_by_ipp(struct fb_info *dst_info,
 881                                 struct fb_info *src_info)
 882 {
 883         struct rk29_ipp_req ipp_req;
 884         uint32_t rotation = 0;
 885         int dst_w, dst_h, dst_vir_w;
 886         int ipp_fmt;
 887         u8 data_format = (dst_info->var.nonstd) & 0xff;
 888         struct rk_fb_par *fb_par = (struct rk_fb_par *)dst_info->par;
 889         struct rk_lcdc_driver *ext_dev_drv = fb_par->lcdc_drv;
 890         u16 orientation = ext_dev_drv->rotate_mode;
 891
 892         memset(&ipp_req, 0, sizeof(struct rk29_ipp_req));
 893
 894         switch (orientation) {
 895         case 0:
 896                 rotation = IPP_ROT_0;
 897                 break;
 898         case ROTATE_90:
 899                 rotation = IPP_ROT_90;
 900                 break;
 901         case ROTATE_180:
 902                 rotation = IPP_ROT_180;
 903                 break;
 904         case ROTATE_270:
 905                 rotation = IPP_ROT_270;
 906                 break;
 907         default:
 908                 rotation = IPP_ROT_270;
 909                 break;
 910         }
 911
 912         dst_w = dst_info->var.xres;
 913         dst_h = dst_info->var.yres;
 914         dst_vir_w = dst_info->var.xres_virtual;
 915         ipp_fmt = get_ipp_format(data_format);
 916         ipp_win_check(&dst_w, &dst_h, &dst_vir_w, rotation, ipp_fmt);
 917         ipp_req.src0.YrgbMst = src_info->fix.smem_start + offset;
 918         ipp_req.src0.w = src_info->var.xres;
 919         ipp_req.src0.h = src_info->var.yres;
 920         ipp_req.src_vir_w = src_info->var.xres_virtual;
 921         ipp_req.src0.fmt = ipp_fmt;
 922
 923         ipp_req.dst0.YrgbMst = dst_info->fix.smem_start + offset;
 924         ipp_req.dst0.w = dst_w;
 925         ipp_req.dst0.h = dst_h;
 926         ipp_req.dst_vir_w = dst_vir_w;
 927         ipp_req.dst0.fmt = ipp_fmt;
 928
 929         ipp_req.timeout = 100;
 930         ipp_req.flag = rotation;
 931         ipp_blit_sync(&ipp_req);
 932 }
 933
 934 #endif
 935
 936 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
 937 static int get_rga_format(int fmt)
 938 {
 939         int rga_fmt = 0;
 940
 941         switch (fmt) {
 942         case XBGR888:
 943                 rga_fmt = RK_FORMAT_RGBX_8888;
 944                 break;
 945         case ABGR888:
 946                 rga_fmt = RK_FORMAT_RGBA_8888;
 947                 break;
 948         case ARGB888:
 949                 rga_fmt = RK_FORMAT_BGRA_8888;
 950                 break;
 951         case RGB888:
 952                 rga_fmt = RK_FORMAT_RGB_888;
 953                 break;
 954         case RGB565:
 955                 rga_fmt = RK_FORMAT_RGB_565;
 956                 break;
 957         case YUV422:
 958                 rga_fmt = RK_FORMAT_YCbCr_422_SP;
 959                 break;
 960         case YUV420:
 961                 rga_fmt = RK_FORMAT_YCbCr_420_SP;
 962                 break;
 963         default:
 964                 rga_fmt = RK_FORMAT_RGBA_8888;
 965                 break;
 966         }
 967
 968         return rga_fmt;
 969 }
 970
 971 static void rga_win_check(struct rk_lcdc_win *dst_win,
 972                           struct rk_lcdc_win *src_win)
 973 {
 974         int format = 0;
 975
 976         format = get_rga_format(src_win->format);
 977         /* width and height must be even number */
 978         if (format >= RK_FORMAT_YCbCr_422_SP &&
 979             format <= RK_FORMAT_YCrCb_420_P) {
 980                 if ((src_win->area[0].xact % 2) != 0)
 981                         src_win->area[0].xact += 1;
 982                 if ((src_win->area[0].yact % 2) != 0)
 983                         src_win->area[0].yact += 1;
 984         }
 985         if (src_win->area[0].xvir < src_win->area[0].xact)
 986                 src_win->area[0].xvir = src_win->area[0].xact;
 987         if (src_win->area[0].yvir < src_win->area[0].yact)
 988                 src_win->area[0].yvir = src_win->area[0].yact;
 989
 990         format = get_rga_format(dst_win->format);
 991         if (format >= RK_FORMAT_YCbCr_422_SP &&
 992             format <= RK_FORMAT_YCrCb_420_P) {
 993                 if ((dst_win->area[0].xact % 2) != 0)
 994                         dst_win->area[0].xact += 1;
 995                 if ((dst_win->area[0].yact % 2) != 0)
 996                         dst_win->area[0].yact += 1;
 997         }
 998         if (dst_win->area[0].xvir < dst_win->area[0].xact)
 999                 dst_win->area[0].xvir = dst_win->area[0].xact;
1000         if (dst_win->area[0].yvir < dst_win->area[0].yact)
1001                 dst_win->area[0].yvir = dst_win->area[0].yact;
1002 }
1003
1004 static void win_copy_by_rga(struct rk_lcdc_win *dst_win,
1005                             struct rk_lcdc_win *src_win,
1006                             u16 orientation, int iommu_en)
1007 {
1008         struct rga_req Rga_Request;
1009         long ret = 0;
1010         /* int fd = 0; */
1011
1012         memset(&Rga_Request, 0, sizeof(Rga_Request));
1013         rga_win_check(dst_win, src_win);
1014
1015         switch (orientation) {
1016         case ROTATE_90:
1017                 Rga_Request.rotate_mode = 1;
1018                 Rga_Request.sina = 65536;
1019                 Rga_Request.cosa = 0;
1020                 Rga_Request.dst.act_w = dst_win->area[0].yact;
1021                 Rga_Request.dst.act_h = dst_win->area[0].xact;
1022                 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1023                 Rga_Request.dst.y_offset = 0;
1024                 break;
1025         case ROTATE_180:
1026                 Rga_Request.rotate_mode = 1;
1027                 Rga_Request.sina = 0;
1028                 Rga_Request.cosa = -65536;
1029                 Rga_Request.dst.act_w = dst_win->area[0].xact;
1030                 Rga_Request.dst.act_h = dst_win->area[0].yact;
1031                 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1032                 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1033                 break;
1034         case ROTATE_270:
1035                 Rga_Request.rotate_mode = 1;
1036                 Rga_Request.sina = -65536;
1037                 Rga_Request.cosa = 0;
1038                 Rga_Request.dst.act_w = dst_win->area[0].yact;
1039                 Rga_Request.dst.act_h = dst_win->area[0].xact;
1040                 Rga_Request.dst.x_offset = 0;
1041                 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1042                 break;
1043         default:
1044                 Rga_Request.rotate_mode = 0;
1045                 Rga_Request.dst.act_w = dst_win->area[0].xact;
1046                 Rga_Request.dst.act_h = dst_win->area[0].yact;
1047                 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1048                 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1049                 break;
1050         }
1051
1052 /*
1053         fd = ion_share_dma_buf_fd(rk_fb->ion_client, src_win->area[0].ion_hdl);
1054         Rga_Request.src.yrgb_addr = fd;
1055         fd = ion_share_dma_buf_fd(rk_fb->ion_client, dst_win->area[0].ion_hdl);
1056         Rga_Request.dst.yrgb_addr = fd;
1057 */
1058         Rga_Request.src.yrgb_addr = 0;
1059         Rga_Request.src.uv_addr =
1060             src_win->area[0].smem_start + src_win->area[0].y_offset;
1061         Rga_Request.src.v_addr = 0;
1062
1063         Rga_Request.dst.yrgb_addr = 0;
1064         Rga_Request.dst.uv_addr =
1065             dst_win->area[0].smem_start + dst_win->area[0].y_offset;
1066         Rga_Request.dst.v_addr = 0;
1067
1068         Rga_Request.src.vir_w = src_win->area[0].xvir;
1069         Rga_Request.src.vir_h = src_win->area[0].yvir;
1070         Rga_Request.src.format = get_rga_format(src_win->format);
1071         Rga_Request.src.act_w = src_win->area[0].xact;
1072         Rga_Request.src.act_h = src_win->area[0].yact;
1073         Rga_Request.src.x_offset = 0;
1074         Rga_Request.src.y_offset = 0;
1075
1076         Rga_Request.dst.vir_w = dst_win->area[0].xvir;
1077         Rga_Request.dst.vir_h = dst_win->area[0].yvir;
1078         Rga_Request.dst.format = get_rga_format(dst_win->format);
1079
1080         Rga_Request.clip.xmin = 0;
1081         Rga_Request.clip.xmax = dst_win->area[0].xact - 1;
1082         Rga_Request.clip.ymin = 0;
1083         Rga_Request.clip.ymax = dst_win->area[0].yact - 1;
1084         Rga_Request.scale_mode = 0;
1085 #if defined(CONFIG_ROCKCHIP_IOMMU)
1086         if (iommu_en) {
1087                 Rga_Request.mmu_info.mmu_en = 1;
1088                 Rga_Request.mmu_info.mmu_flag = 1;
1089         } else {
1090                 Rga_Request.mmu_info.mmu_en = 0;
1091                 Rga_Request.mmu_info.mmu_flag = 0;
1092         }
1093 #else
1094         Rga_Request.mmu_info.mmu_en = 0;
1095         Rga_Request.mmu_info.mmu_flag = 0;
1096 #endif
1097
1098         ret = rga_ioctl_kernel(&Rga_Request);
1099 }
1100
1101 /*
1102  * This function is used for copying fb by RGA Module
1103  * RGA only support copy RGB to RGB
1104  * RGA2 support copy RGB to RGB and YUV to YUV
1105  */
1106 static void fb_copy_by_rga(struct fb_info *dst_info,
1107                                 struct fb_info *src_info)
1108 {
1109         struct rk_fb_par *src_fb_par = (struct rk_fb_par *)src_info->par;
1110         struct rk_fb_par *dst_fb_par = (struct rk_fb_par *)dst_info->par;
1111         struct rk_lcdc_driver *dev_drv = src_fb_par->lcdc_drv;
1112         struct rk_lcdc_driver *ext_dev_drv = dst_fb_par->lcdc_drv;
1113         int win_id = 0, ext_win_id;
1114         struct rk_lcdc_win *src_win, *dst_win;
1115
1116         win_id = dev_drv->ops->fb_get_win_id(dev_drv, src_info->fix.id);
1117         src_win = dev_drv->win[win_id];
1118
1119         ext_win_id =
1120             ext_dev_drv->ops->fb_get_win_id(ext_dev_drv, dst_info->fix.id);
1121         dst_win = ext_dev_drv->win[ext_win_id];
1122
1123         win_copy_by_rga(dst_win, src_win, ext_dev_drv->rotate_mode,
1124                         ext_dev_drv->iommu_enabled);
1125 }
1126
1127 #endif
1128
1129 static int rk_fb_rotate(struct fb_info *dst_info,
1130                           struct fb_info *src_info)
1131 {
1132
1133 #if defined(CONFIG_RK29_IPP)
1134         fb_copy_by_ipp(dst_info, src_info);
1135 #elif defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1136         fb_copy_by_rga(dst_info, src_info);
1137 #else
1138         return -1;
1139 #endif
1140         return 0;
1141 }
1142
1143 static int rk_fb_win_rotate(struct rk_lcdc_win *dst_win,
1144                             struct rk_lcdc_win *src_win,
1145                             u16 rotate, int iommu_en)
1146 {
1147 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1148         win_copy_by_rga(dst_win, src_win, rotate, iommu_en);
1149 #else
1150         return -1;
1151 #endif
1152         return 0;
1153 }
1154
1155 static int rk_fb_set_ext_win_buffer(struct rk_lcdc_win *ext_win,
1156                                          struct rk_lcdc_win *win,
1157                                          u16 rotate, int iommu_en)
1158 {
1159         struct rk_fb *rk_fb =  platform_get_drvdata(fb_pdev);
1160         struct fb_info *ext_info = rk_fb->fb[(rk_fb->num_fb >> 1)];
1161         struct rk_fb_par *ext_fb_par = (struct rk_fb_par *)ext_info->par;
1162         struct rk_lcdc_driver *ext_dev_drv = rk_get_extend_lcdc_drv();
1163         struct rk_lcdc_win *last_win;
1164         static u8 fb_index = 0;
1165         ion_phys_addr_t phy_addr;
1166         size_t len = 0;
1167         int ret = 0;
1168         bool is_yuv = false;
1169
1170         if (unlikely(!ext_win) || unlikely(!win))
1171                 return -1;
1172
1173         if (rk_fb->disp_mode != DUAL || ext_info == NULL)
1174                 return 0;
1175
1176         switch (ext_win->format) {
1177         case YUV422:
1178         case YUV420:
1179         case YUV444:
1180         case YUV422_A:
1181         case YUV420_A:
1182         case YUV444_A:
1183                 is_yuv = true;
1184                 break;
1185         default:
1186                 is_yuv = false;
1187                 break;
1188         }
1189
1190         /* no rotate mode */
1191         if (rotate <= X_Y_MIRROR) {
1192                 if (iommu_en) {
1193                         ret = ion_map_iommu(ext_dev_drv->dev,
1194                                             rk_fb->ion_client,
1195                                             win->area[0].ion_hdl,
1196                                             (unsigned long *)&phy_addr,
1197                                             (unsigned long *)&len);
1198                         if (ret < 0) {
1199                                 dev_err(ext_dev_drv->dev, "ion map to get phy addr failed\n");
1200                                 ion_free(rk_fb->ion_client, win->area[0].ion_hdl);
1201                                 return -ENOMEM;
1202                         }
1203                         ext_win->area[0].smem_start = phy_addr;
1204                         ext_win->area[0].y_offset = win->area[0].y_offset;
1205                         if (is_yuv) {
1206                                 ext_win->area[0].cbr_start = win->area[0].cbr_start;
1207                                 ext_win->area[0].c_offset = win->area[0].c_offset;
1208                         } else {
1209                                 ext_win->area[0].cbr_start = 0;
1210                                 ext_win->area[0].c_offset = 0;
1211                         }
1212                 } else {
1213                         ext_win->area[0].smem_start = win->area[0].smem_start;
1214                         ext_win->area[0].y_offset = win->area[0].y_offset;
1215                         if (is_yuv) {
1216                                 ext_win->area[0].cbr_start = win->area[0].cbr_start;
1217                                 ext_win->area[0].c_offset = win->area[0].c_offset;
1218                         } else {
1219                                 ext_win->area[0].cbr_start = 0;
1220                                 ext_win->area[0].c_offset = 0;
1221                         }
1222                 }
1223
1224                 return 0;
1225         }
1226
1227         /* rotate mode */
1228         if (!iommu_en) {
1229                 if (ext_win->id == 0) {
1230                         ext_win->area[0].smem_start = ext_fb_par->fb_phy_base;
1231                         ext_win->area[0].y_offset = (get_rotate_fb_size() >> 1) * fb_index;
1232                         if ((++fb_index) > 1)
1233                                 fb_index = 0;
1234                 } else {
1235                         ext_win->area[0].y_offset = 0;
1236                         last_win = ext_dev_drv->win[ext_win->id - 1];
1237                         if (last_win->area[0].cbr_start)
1238                                 ext_win->area[0].smem_start =
1239                                         last_win->area[0].cbr_start +
1240                                         last_win->area[0].c_offset +
1241                                         last_win->area[0].xvir * last_win->area[0].yvir;
1242                         else
1243                                 ext_win->area[0].smem_start =
1244                                         last_win->area[0].smem_start +
1245                                         last_win->area[0].y_offset +
1246                                         last_win->area[0].xvir * last_win->area[0].yvir;
1247                 }
1248
1249                 if (is_yuv) {
1250                         ext_win->area[0].cbr_start =
1251                                 ext_win->area[0].smem_start +
1252                                 ext_win->area[0].y_offset +
1253                                 ext_win->area[0].xvir * ext_win->area[0].yvir;
1254                         ext_win->area[0].c_offset = win->area[0].c_offset;
1255                 } else {
1256                         ext_win->area[0].cbr_start = 0;
1257                         ext_win->area[0].c_offset = 0;
1258                 }
1259         }
1260
1261         return 0;
1262 }
1263
1264 static int rk_fb_pan_display(struct fb_var_screeninfo *var,
1265                              struct fb_info *info)
1266 {
1267         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
1268         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1269         struct rk_fb_par *extend_fb_par = NULL;
1270         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1271         struct fb_fix_screeninfo *fix = &info->fix;
1272         struct fb_info *extend_info = NULL;
1273         struct rk_lcdc_driver *extend_dev_drv = NULL;
1274         int win_id = 0, extend_win_id = 0;
1275         struct rk_lcdc_win *extend_win = NULL;
1276         struct rk_lcdc_win *win = NULL;
1277         struct rk_screen *screen = dev_drv->cur_screen;
1278         int fb_id = 0;
1279
1280         u32 xoffset = var->xoffset;
1281         u32 yoffset = var->yoffset;
1282         u32 xvir = var->xres_virtual;
1283         /* u32 yvir = var->yres_virtual; */
1284         /* u8 data_format = var->nonstd&0xff; */
1285
1286         u8 pixel_width;
1287         u32 vir_width_bit;
1288         u32 stride, uv_stride;
1289         u32 stride_32bit_1;
1290         u32 stride_32bit_2;
1291         u16 uv_x_off, uv_y_off, uv_y_act;
1292         u8 is_pic_yuv = 0;
1293
1294         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1295         if (win_id < 0)
1296                 return -ENODEV;
1297         else
1298                 win = dev_drv->win[win_id];
1299
1300         if (rk_fb->disp_mode == DUAL) {
1301                 fb_id = get_extend_fb_id(info);
1302                 extend_info = rk_fb->fb[(rk_fb->num_fb >> 1) + fb_id];
1303                 extend_fb_par = (struct rk_fb_par *)extend_info->par;
1304                 extend_dev_drv = extend_fb_par->lcdc_drv;
1305                 extend_win_id = dev_drv->ops->fb_get_win_id(extend_dev_drv,
1306                                                            extend_info->fix.id);
1307                 extend_win = extend_dev_drv->win[extend_win_id];
1308         }
1309
1310         pixel_width = rk_fb_pixel_width(win->format);
1311         vir_width_bit = pixel_width * xvir;
1312         /* pixel_width = byte_num * 8 */
1313         stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
1314         stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
1315
1316         switch (win->format) {
1317         case YUV422:
1318         case YUV422_A:
1319                 is_pic_yuv = 1;
1320                 stride = stride_32bit_1;
1321                 uv_stride = stride_32bit_1 >> 1;
1322                 uv_x_off = xoffset >> 1;
1323                 uv_y_off = yoffset;
1324                 fix->line_length = stride;
1325                 uv_y_act = win->area[0].yact >> 1;
1326                 break;
1327         case YUV420:            /* 420sp */
1328         case YUV420_A:
1329                 is_pic_yuv = 1;
1330                 stride = stride_32bit_1;
1331                 uv_stride = stride_32bit_1;
1332                 uv_x_off = xoffset;
1333                 uv_y_off = yoffset >> 1;
1334                 fix->line_length = stride;
1335                 uv_y_act = win->area[0].yact >> 1;
1336                 break;
1337         case YUV444:
1338         case YUV444_A:
1339                 is_pic_yuv = 1;
1340                 stride = stride_32bit_1;
1341                 uv_stride = stride_32bit_2;
1342                 uv_x_off = xoffset * 2;
1343                 uv_y_off = yoffset;
1344                 fix->line_length = stride << 2;
1345                 uv_y_act = win->area[0].yact;
1346                 break;
1347         default:
1348                 stride = stride_32bit_1;        /* default rgb */
1349                 fix->line_length = stride;
1350                 break;
1351         }
1352
1353         /* x y mirror ,jump line */
1354         if (screen->y_mirror == 1) {
1355                 if (screen->interlace == 1) {
1356                         win->area[0].y_offset = yoffset * stride * 2 +
1357                             ((win->area[0].yact - 1) * 2 + 1) * stride +
1358                             xoffset * pixel_width / 8;
1359                 } else {
1360                         win->area[0].y_offset = yoffset * stride +
1361                             (win->area[0].yact - 1) * stride +
1362                             xoffset * pixel_width / 8;
1363                 }
1364         } else {
1365                 if (screen->interlace == 1) {
1366                         win->area[0].y_offset =
1367                             yoffset * stride * 2 + xoffset * pixel_width / 8;
1368                 } else {
1369                         win->area[0].y_offset =
1370                             yoffset * stride + xoffset * pixel_width / 8;
1371                 }
1372         }
1373         if (is_pic_yuv == 1) {
1374                 if (screen->y_mirror == 1) {
1375                         if (screen->interlace == 1) {
1376                                 win->area[0].c_offset =
1377                                     uv_y_off * uv_stride * 2 +
1378                                     ((uv_y_act - 1) * 2 + 1) * uv_stride +
1379                                     uv_x_off * pixel_width / 8;
1380                         } else {
1381                                 win->area[0].c_offset = uv_y_off * uv_stride +
1382                                     (uv_y_act - 1) * uv_stride +
1383                                     uv_x_off * pixel_width / 8;
1384                         }
1385                 } else {
1386                         if (screen->interlace == 1) {
1387                                 win->area[0].c_offset =
1388                                     uv_y_off * uv_stride * 2 +
1389                                     uv_x_off * pixel_width / 8;
1390                         } else {
1391                                 win->area[0].c_offset =
1392                                     uv_y_off * uv_stride +
1393                                     uv_x_off * pixel_width / 8;
1394                         }
1395                 }
1396         }
1397
1398         win->area[0].smem_start = fix->smem_start;
1399         win->area[0].cbr_start = fix->mmio_start;
1400         win->area[0].state = 1;
1401         win->area_num = 1;
1402
1403         dev_drv->ops->pan_display(dev_drv, win_id);
1404
1405         if (rk_fb->disp_mode == DUAL) {
1406                 if (extend_info != info && extend_win->state &&
1407                     hdmi_switch_complete) {
1408                         rk_fb_set_ext_win_buffer(extend_win, win,
1409                                                  extend_dev_drv->rotate_mode,
1410                                                  extend_dev_drv->iommu_enabled);
1411                         if (extend_dev_drv->rotate_mode > X_Y_MIRROR)
1412                                 rk_fb_rotate(extend_info, info);
1413
1414                         extend_dev_drv->ops->pan_display(extend_dev_drv,
1415                                                          extend_win_id);
1416                         extend_dev_drv->ops->cfg_done(extend_dev_drv);
1417                 }
1418         }
1419 #ifdef  CONFIG_FB_MIRRORING
1420         if (video_data_to_mirroring)
1421                 video_data_to_mirroring(info, NULL);
1422 #endif
1423         dev_drv->ops->cfg_done(dev_drv);
1424         return 0;
1425 }
1426
1427 static int rk_fb_get_list_stat(struct rk_lcdc_driver *dev_drv)
1428 {
1429         int i, j;
1430
1431         i = list_empty(&dev_drv->update_regs_list);
1432         j = list_empty(&saved_list);
1433         return i == j ? 0 : 1;
1434 }
1435
1436 void rk_fd_fence_wait(struct rk_lcdc_driver *dev_drv, struct sync_fence *fence)
1437 {
1438         int err = sync_fence_wait(fence, 1000);
1439
1440         if (err >= 0)
1441                 return;
1442
1443         if (err == -ETIME)
1444                 err = sync_fence_wait(fence, 10 * MSEC_PER_SEC);
1445
1446         if (err < 0)
1447                 printk("error waiting on fence\n");
1448 }
1449 #if 0
1450 static int rk_fb_copy_from_loader(struct fb_info *info)
1451 {
1452         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1453         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1454         void *dst = info->screen_base;
1455         u32 dsp_addr[4];
1456         u32 src;
1457         u32 i,size;
1458         int win_id;
1459         struct rk_lcdc_win *win;
1460
1461         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1462         win = dev_drv->win[win_id];
1463         size = (win->area[0].xact) * (win->area[0].yact) << 2;
1464         dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1465         src = dsp_addr[win_id];
1466         dev_info(info->dev, "copy fb data %d x %d  from  dst_addr:%08x\n",
1467                  win->area[0].xact, win->area[0].yact, src);
1468         for (i = 0; i < size; i += PAGE_SIZE) {
1469                 void *page = phys_to_page(i + src);
1470                 void *from_virt = kmap(page);
1471                 void *to_virt = dst + i;
1472                 memcpy(to_virt, from_virt, PAGE_SIZE);
1473         }
1474         dev_drv->ops->direct_set_addr(dev_drv, win_id,
1475                                       info->fix.smem_start);
1476         return 0;
1477 }
1478 #endif
1479 #ifdef CONFIG_ROCKCHIP_IOMMU
1480 static int g_last_addr[4];
1481 int g_last_timeout;
1482 u32 freed_addr[10];
1483 u32 freed_index;
1484
1485 #define DUMP_CHUNK 256
1486 char buf[PAGE_SIZE];
1487
1488 int rk_fb_sysmmu_fault_handler(struct device *dev,
1489                                enum rk_iommu_inttype itype,
1490                                unsigned long pgtable_base,
1491                                unsigned long fault_addr, unsigned int status)
1492 {
1493         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
1494         int i = 0;
1495         static int page_fault_cnt;
1496         if ((page_fault_cnt++) >= 10)
1497                 return 0;
1498         pr_err
1499             ("PAGE FAULT occurred at 0x%lx (Page table base: 0x%lx),status=%d\n",
1500              fault_addr, pgtable_base, status);
1501         printk("last config addr:\n" "win0:0x%08x\n" "win1:0x%08x\n"
1502                "win2:0x%08x\n" "win3:0x%08x\n", g_last_addr[0], g_last_addr[1],
1503                g_last_addr[2], g_last_addr[3]);
1504         printk("last freed buffer:\n");
1505         for (i = 0; (freed_addr[i] != 0xfefefefe) && freed_addr[i]; i++)
1506                 printk("%d:0x%08x\n", i, freed_addr[i]);
1507         printk("last timeout:%d\n", g_last_timeout);
1508         dev_drv->ops->get_disp_info(dev_drv, buf, 0);
1509         for (i = 0; i < PAGE_SIZE; i += DUMP_CHUNK) {
1510                 if ((PAGE_SIZE - i) > DUMP_CHUNK) {
1511                         char c = buf[i + DUMP_CHUNK];
1512                         buf[i + DUMP_CHUNK] = 0;
1513                         pr_cont("%s", buf + i);
1514                         buf[i + DUMP_CHUNK] = c;
1515                 } else {
1516                         buf[PAGE_SIZE - 1] = 0;
1517                         pr_cont("%s", buf + i);
1518                 }
1519         }
1520
1521         return 0;
1522 }
1523 #endif
1524
1525 void rk_fb_free_dma_buf(struct rk_lcdc_driver *dev_drv,
1526                         struct rk_fb_reg_win_data *reg_win_data)
1527 {
1528         int i, index_buf;
1529         struct rk_fb_reg_area_data *area_data;
1530         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1531 #if defined(CONFIG_ROCKCHIP_IOMMU)
1532         struct rk_lcdc_driver *ext_dev_drv = rk_get_extend_lcdc_drv();
1533 #endif
1534
1535         for (i = 0; i < reg_win_data->area_num; i++) {
1536                 area_data = &reg_win_data->reg_area_data[i];
1537                 index_buf = area_data->index_buf;
1538 #if defined(CONFIG_ROCKCHIP_IOMMU)
1539                 if (dev_drv->iommu_enabled) {
1540                         ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client,
1541                                         area_data->ion_handle);
1542                         freed_addr[freed_index++] = area_data->smem_start;
1543                 }
1544                 if (rk_fb->disp_mode == DUAL && hdmi_switch_complete) {
1545                         if (ext_dev_drv->iommu_enabled)
1546                                 ion_unmap_iommu(ext_dev_drv->dev,
1547                                                 rk_fb->ion_client,
1548                                                 area_data->ion_handle);
1549                 }
1550 #endif
1551                 if (area_data->ion_handle != NULL) {
1552                         ion_unmap_kernel(rk_fb->ion_client,
1553                                          area_data->ion_handle);
1554                         ion_free(rk_fb->ion_client, area_data->ion_handle);
1555                 }
1556                 if (area_data->acq_fence)
1557                         sync_fence_put(area_data->acq_fence);
1558         }
1559         memset(reg_win_data, 0, sizeof(struct rk_fb_reg_win_data));
1560 }
1561
1562 /*
1563  * function: update extend win info acorrding to primary win info,
1564         the function is only used for dual display mode
1565  * @ext_dev_drv: the extend lcdc driver
1566  * @dev_drv: the primary lcdc driver
1567  * @ext_win: the lcdc win info of extend screen
1568  * @win: the lcdc win info of primary screen
1569  */
1570 static int rk_fb_update_ext_win(struct rk_lcdc_driver *ext_dev_drv,
1571                                      struct rk_lcdc_driver *dev_drv,
1572                                      struct rk_lcdc_win *ext_win,
1573                                      struct rk_lcdc_win *win)
1574 {
1575         struct rk_screen *screen = dev_drv->cur_screen;
1576         struct rk_screen *ext_screen = ext_dev_drv->cur_screen;
1577         int hdmi_xsize = ext_screen->xsize;
1578         int hdmi_ysize = ext_screen->ysize;
1579         int pixel_width, vir_width_bit, y_stride;
1580         bool is_yuv = false;
1581         int rotate_mode = 0;
1582
1583         if (unlikely(!dev_drv) || unlikely(!ext_dev_drv) ||
1584             unlikely(!ext_win) || unlikely(!win))
1585                 return -1;
1586
1587         rotate_mode = ext_dev_drv->rotate_mode;
1588
1589         if (ext_win->state == 0) {
1590                 dev_info(ext_dev_drv->dev, "extend lcdc win is closed\n");
1591                 return 0;
1592         }
1593
1594         ext_win->area[0].state = win->area[0].state;
1595         ext_win->area_num = win->area_num;
1596         ext_win->format = win->format;
1597         ext_win->fmt_10 = win->fmt_10;
1598         ext_win->z_order = win->z_order;
1599         ext_win->alpha_en = win->alpha_en;
1600         ext_win->alpha_mode = win->alpha_mode;
1601         ext_win->g_alpha_val = win->g_alpha_val;
1602
1603         switch (ext_win->format) {
1604         case YUV422:
1605         case YUV420:
1606         case YUV444:
1607         case YUV422_A:
1608         case YUV420_A:
1609         case YUV444_A:
1610                 is_yuv = true;
1611                 break;
1612         default:
1613                 is_yuv = false;
1614                 break;
1615         }
1616
1617         if (rotate_mode == ROTATE_90 || rotate_mode == ROTATE_270) {
1618                 ext_win->area[0].xact = win->area[0].yact;
1619                 ext_win->area[0].yact = win->area[0].xact;
1620                 ext_win->area[0].xvir = win->area[0].yact;
1621                 ext_win->area[0].yvir = win->area[0].xact;
1622
1623                 pixel_width = rk_fb_pixel_width(ext_win->format);
1624                 vir_width_bit = pixel_width * ext_win->area[0].xvir;
1625                 y_stride = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
1626                 ext_win->area[0].y_vir_stride = y_stride >> 2;
1627                 if (is_yuv)
1628                         ext_win->area[0].uv_vir_stride = ext_win->area[0].y_vir_stride;
1629                 else
1630                         ext_win->area[0].uv_vir_stride = 0;
1631         } else {
1632                 ext_win->area[0].xact = win->area[0].xact;
1633                 ext_win->area[0].yact = win->area[0].yact;
1634                 if (win->area[0].xvir == 0)
1635                         ext_win->area[0].xvir = win->area[0].xact;
1636                 else
1637                         ext_win->area[0].xvir = win->area[0].xvir;
1638                 if (win->area[0].yvir == 0)
1639                         ext_win->area[0].yvir = win->area[0].yact;
1640                 else
1641                         ext_win->area[0].yvir = win->area[0].yvir;
1642                 ext_win->area[0].y_vir_stride = win->area[0].y_vir_stride;
1643                 if (is_yuv)
1644                         ext_win->area[0].uv_vir_stride = win->area[0].uv_vir_stride;
1645                 else
1646                         ext_win->area[0].uv_vir_stride = 0;
1647         }
1648
1649         if (win->area[0].xpos != 0 || win->area[0].ypos != 0) {
1650                 if (rotate_mode == ROTATE_270) {
1651                         int xbom_pos = 0, ybom_pos = 0;
1652                         int xtop_pos = 0, ytop_pos = 0;
1653
1654                         ext_win->area[0].xsize =
1655                                 hdmi_xsize * win->area[0].ysize / screen->mode.yres;
1656                         ext_win->area[0].ysize =
1657                                 hdmi_ysize * win->area[0].xsize / screen->mode.xres;
1658                         xbom_pos =
1659                                 hdmi_xsize * win->area[0].ypos / screen->mode.yres;
1660                         ybom_pos = hdmi_ysize * win->area[0].xpos / screen->mode.xres;
1661                         xtop_pos = hdmi_xsize - ext_win->area[0].xsize - xbom_pos;
1662                         ytop_pos = hdmi_ysize - ext_win->area[0].ysize - ybom_pos;
1663                         ext_win->area[0].xpos =
1664                                 ((ext_screen->mode.xres - hdmi_xsize) >> 1) + xtop_pos;
1665                         ext_win->area[0].ypos =
1666                                 ((ext_screen->mode.yres - hdmi_ysize) >> 1) + ytop_pos;
1667                 } else if (rotate_mode == ROTATE_90) {
1668                         ext_win->area[0].xsize =
1669                                 hdmi_xsize * win->area[0].ysize / screen->mode.yres;
1670                         ext_win->area[0].ysize =
1671                                 hdmi_ysize * win->area[0].xsize / screen->mode.xres;
1672                         ext_win->area[0].xpos =
1673                                 ((ext_screen->mode.xres - hdmi_xsize) >> 1) +
1674                                 hdmi_xsize * win->area[0].ypos / screen->mode.yres;
1675                         ext_win->area[0].ypos =
1676                                 ((ext_screen->mode.yres - hdmi_ysize) >> 1) +
1677                                 hdmi_ysize * win->area[0].xpos / screen->mode.xres;
1678                 } else {
1679                         ext_win->area[0].xsize =
1680                                 hdmi_xsize * win->area[0].xsize / screen->mode.xres;
1681                         ext_win->area[0].ysize =
1682                                 hdmi_ysize * win->area[0].ysize / screen->mode.yres;
1683                         ext_win->area[0].xpos =
1684                                 ((ext_screen->mode.xres - hdmi_xsize) >> 1) +
1685                                 hdmi_xsize * win->area[0].xpos / screen->mode.xres;
1686                         ext_win->area[0].ypos =
1687                                 ((ext_screen->mode.yres - hdmi_ysize) >> 1) +
1688                                 hdmi_ysize * win->area[0].ypos / screen->mode.yres;
1689                 }
1690         } else {
1691                 ext_win->area[0].xsize = hdmi_xsize;
1692                 ext_win->area[0].ysize = hdmi_ysize;
1693                 ext_win->area[0].xpos =
1694                         (ext_screen->mode.xres - hdmi_xsize) >> 1;
1695                 ext_win->area[0].ypos =
1696                         (ext_screen->mode.yres - hdmi_ysize) >> 1;
1697         }
1698
1699         return 0;
1700 }
1701
1702 static void rk_fb_update_win(struct rk_lcdc_driver *dev_drv,
1703                                 struct rk_lcdc_win *win,
1704                                 struct rk_fb_reg_win_data *reg_win_data)
1705 {
1706         int i = 0;
1707         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
1708         struct rk_screen *cur_screen;
1709         struct rk_screen primary_screen;
1710
1711         if (unlikely(!inf) || unlikely(!dev_drv) ||
1712             unlikely(!win) || unlikely(!reg_win_data))
1713                 return;
1714
1715         cur_screen = dev_drv->cur_screen;
1716         rk_fb_get_prmry_screen(&primary_screen);
1717
1718         win->area_num = reg_win_data->area_num;
1719         win->format = reg_win_data->data_format;
1720         win->id = reg_win_data->win_id;
1721         win->z_order = reg_win_data->z_order;
1722
1723         if (reg_win_data->reg_area_data[0].smem_start > 0) {
1724                 win->state = 1;
1725                 win->area_num = reg_win_data->area_num;
1726                 win->format = reg_win_data->data_format;
1727                 win->id = reg_win_data->win_id;
1728                 win->z_order = reg_win_data->z_order;
1729                 win->area[0].uv_vir_stride =
1730                     reg_win_data->reg_area_data[0].uv_vir_stride;
1731                 win->area[0].cbr_start =
1732                     reg_win_data->reg_area_data[0].cbr_start;
1733                 win->area[0].c_offset = reg_win_data->reg_area_data[0].c_offset;
1734                 win->alpha_en = reg_win_data->alpha_en;
1735                 win->alpha_mode = reg_win_data->alpha_mode;
1736                 win->g_alpha_val = reg_win_data->g_alpha_val;
1737                 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
1738                         if (reg_win_data->reg_area_data[i].smem_start > 0) {
1739                                 win->area[i].ion_hdl =
1740                                         reg_win_data->reg_area_data[i].ion_handle;
1741                                 win->area[i].smem_start =
1742                                         reg_win_data->reg_area_data[i].smem_start;
1743                                 if (inf->disp_mode == DUAL) {
1744                                         win->area[i].xpos =
1745                                                 reg_win_data->reg_area_data[i].xpos;
1746                                         win->area[i].ypos =
1747                                                 reg_win_data->reg_area_data[i].ypos;
1748                                         win->area[i].xsize =
1749                                                 reg_win_data->reg_area_data[i].xsize;
1750                                         win->area[i].ysize =
1751                                                 reg_win_data->reg_area_data[i].ysize;
1752                                 } else {
1753                                         win->area[i].xpos =
1754                                                 reg_win_data->reg_area_data[i].xpos *
1755                                                 cur_screen->mode.xres /
1756                                                 primary_screen.mode.xres;
1757                                         win->area[i].ypos =
1758                                                 reg_win_data->reg_area_data[i].ypos *
1759                                                 cur_screen->mode.yres /
1760                                                 primary_screen.mode.yres;
1761                                         win->area[i].xsize =
1762                                                 reg_win_data->reg_area_data[i].xsize *
1763                                                 cur_screen->mode.xres /
1764                                                 primary_screen.mode.xres;
1765                                         win->area[i].ysize =
1766                                                 reg_win_data->reg_area_data[i].ysize *
1767                                                 cur_screen->mode.yres /
1768                                                 primary_screen.mode.yres;
1769                                 }
1770                                 win->area[i].xact =
1771                                     reg_win_data->reg_area_data[i].xact;
1772                                 win->area[i].yact =
1773                                     reg_win_data->reg_area_data[i].yact;
1774                                 win->area[i].xvir =
1775                                     reg_win_data->reg_area_data[i].xvir;
1776                                 win->area[i].yvir =
1777                                     reg_win_data->reg_area_data[i].yvir;
1778                                 win->area[i].y_offset =
1779                                     reg_win_data->reg_area_data[i].y_offset;
1780                                 win->area[i].y_vir_stride =
1781                                     reg_win_data->reg_area_data[i].y_vir_stride;
1782                                 win->area[i].state = 1;
1783                         } else {
1784                                 win->area[i].state = 0;
1785                         }
1786                 }
1787         } else {
1788         /*
1789                 win->state = 0;
1790                 win->z_order = -1;
1791         */
1792         }
1793 }
1794
1795 static struct rk_fb_reg_win_data *rk_fb_get_win_data(struct rk_fb_reg_data
1796                                                      *regs, int win_id)
1797 {
1798         int i;
1799         struct rk_fb_reg_win_data *win_data = NULL;
1800         for (i = 0; i < regs->win_num; i++) {
1801                 if (regs->reg_win_data[i].win_id == win_id) {
1802                         win_data = &(regs->reg_win_data[i]);
1803                         break;
1804                 }
1805         }
1806
1807         return win_data;
1808 }
1809
1810 static void rk_fb_update_reg(struct rk_lcdc_driver *dev_drv,
1811                              struct rk_fb_reg_data *regs)
1812 {
1813         int i, j;
1814         struct rk_lcdc_win *win;
1815         ktime_t timestamp = dev_drv->vsync_info.timestamp;
1816         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1817         struct rk_lcdc_driver *ext_dev_drv;
1818         struct rk_lcdc_win *ext_win;
1819         struct rk_fb_reg_win_data *win_data;
1820         bool wait_for_vsync;
1821         int count = 100;
1822         unsigned int dsp_addr[4];
1823         long timeout;
1824
1825         /* acq_fence wait */
1826         for (i = 0; i < regs->win_num; i++) {
1827                 win_data = &regs->reg_win_data[i];
1828                 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1829                         if (win_data->reg_area_data[j].acq_fence) {
1830                                 /* printk("acq_fence wait!!!!!\n"); */
1831                                 rk_fd_fence_wait(dev_drv, win_data->reg_area_data[j].acq_fence);
1832                         }
1833                 }
1834         }
1835
1836         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1837                 win = dev_drv->win[i];
1838                 win_data = rk_fb_get_win_data(regs, i);
1839                 if (win_data) {
1840                         rk_fb_update_win(dev_drv, win, win_data);
1841                         win->state = 1;
1842                         dev_drv->ops->set_par(dev_drv, i);
1843                         dev_drv->ops->pan_display(dev_drv, i);
1844 #if defined(CONFIG_ROCKCHIP_IOMMU)
1845                         if (dev_drv->iommu_enabled) {
1846                                 g_last_addr[i] = win_data->reg_area_data[0].smem_start +
1847                                         win_data->reg_area_data[0].y_offset;
1848                         }
1849 #endif
1850                 } else {
1851                         win->z_order = -1;
1852                         win->state = 0;
1853                 }
1854         }
1855         dev_drv->ops->ovl_mgr(dev_drv, 0, 1);
1856
1857         if ((rk_fb->disp_mode == DUAL)
1858             && (hdmi_get_hotplug() == HDMI_HPD_ACTIVED)
1859             && hdmi_switch_complete) {
1860                 ext_dev_drv = rk_get_extend_lcdc_drv();
1861                 if (!ext_dev_drv) {
1862                         printk(KERN_ERR "hdmi lcdc driver not found!\n");
1863                         goto ext_win_exit;
1864                 }
1865
1866                 /*
1867                   * For RK3288: win0 and win1 have only one area and support scale
1868                   * but win2 and win3 don't support scale
1869                   * so hdmi only use win0 or win1
1870                   */
1871                 for (i = 0; i < 2; i++) {
1872                         win = dev_drv->win[i];
1873                         ext_win = ext_dev_drv->win[i];
1874                         ext_win->state = win->state;
1875                         ext_win->id = win->id;
1876                         if (!ext_win->state)
1877                                 continue;
1878                         rk_fb_update_ext_win(ext_dev_drv, dev_drv, ext_win, win);
1879                         rk_fb_set_ext_win_buffer(ext_win, win,
1880                                                  ext_dev_drv->rotate_mode,
1881                                                  ext_dev_drv->iommu_enabled);
1882
1883                         if (ext_dev_drv->rotate_mode > X_Y_MIRROR)
1884                                 rk_fb_win_rotate(ext_win, win,
1885                                                  ext_dev_drv->rotate_mode,
1886                                                  ext_dev_drv->iommu_enabled);
1887
1888                         ext_dev_drv->ops->set_par(ext_dev_drv, i);
1889                         ext_dev_drv->ops->pan_display(ext_dev_drv, i);
1890                 }
1891
1892                 ext_dev_drv->ops->cfg_done(ext_dev_drv);
1893         }
1894 ext_win_exit:
1895         dev_drv->ops->cfg_done(dev_drv);
1896
1897         do {
1898                 timestamp = dev_drv->vsync_info.timestamp;
1899                 timeout = wait_event_interruptible_timeout(dev_drv->vsync_info.wait,
1900                                 ktime_compare(dev_drv->vsync_info.timestamp, timestamp) > 0,
1901                                 msecs_to_jiffies(25));
1902                 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1903                 wait_for_vsync = false;
1904                 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1905                         if (dev_drv->win[i]->state == 1) {
1906                                 u32 new_start =
1907                                     dev_drv->win[i]->area[0].smem_start +
1908                                     dev_drv->win[i]->area[0].y_offset;
1909                                 u32 reg_start = dsp_addr[i];
1910
1911                                 if (unlikely(new_start != reg_start)) {
1912                                         wait_for_vsync = true;
1913                                         dev_info(dev_drv->dev,
1914                                                "win%d:new_addr:0x%08x cur_addr:0x%08x--%d\n",
1915                                                i, new_start, reg_start, 101 - count);
1916                                         break;
1917                                 }
1918                         }
1919                 }
1920         } while (wait_for_vsync && count--);
1921 #ifdef H_USE_FENCE
1922         sw_sync_timeline_inc(dev_drv->timeline, 1);
1923 #endif
1924         if (!g_first_buf) {
1925 #if defined(CONFIG_ROCKCHIP_IOMMU)
1926                 if (dev_drv->iommu_enabled) {
1927                         freed_index = 0;
1928                         g_last_timeout = timeout;
1929                 }
1930 #endif
1931                 for (i = 0; i < g_last_win_num; i++)
1932                         rk_fb_free_dma_buf(dev_drv, &g_reg_win_data[i]);
1933
1934 #if defined(CONFIG_ROCKCHIP_IOMMU)
1935                 if (dev_drv->iommu_enabled)
1936                         freed_addr[freed_index] = 0xfefefefe;
1937 #endif
1938         }
1939         for (i = 0; i < regs->win_num; i++) {
1940                 memcpy(&g_reg_win_data[i], &(regs->reg_win_data[i]),
1941                        sizeof(struct rk_fb_reg_win_data));
1942         }
1943         g_last_win_num = regs->win_num;
1944         g_first_buf = 0;
1945 }
1946
1947 static void rk_fb_update_regs_handler(struct kthread_work *work)
1948 {
1949         struct rk_lcdc_driver *dev_drv =
1950             container_of(work, struct rk_lcdc_driver, update_regs_work);
1951         struct rk_fb_reg_data *data, *next;
1952         /* struct list_head saved_list; */
1953
1954         mutex_lock(&dev_drv->update_regs_list_lock);
1955         saved_list = dev_drv->update_regs_list;
1956         list_replace_init(&dev_drv->update_regs_list, &saved_list);
1957         mutex_unlock(&dev_drv->update_regs_list_lock);
1958
1959         list_for_each_entry_safe(data, next, &saved_list, list) {
1960                 rk_fb_update_reg(dev_drv, data);
1961                 list_del(&data->list);
1962                 kfree(data);
1963         }
1964
1965         if (dev_drv->wait_fs && list_empty(&dev_drv->update_regs_list))
1966                 wake_up(&dev_drv->update_regs_wait);
1967 }
1968
1969 static int rk_fb_check_config_var(struct rk_fb_area_par *area_par,
1970                                   struct rk_screen *screen)
1971 {
1972         if ((area_par->x_offset + area_par->xact > area_par->xvir) ||
1973             (area_par->xact <= 0) || (area_par->yact <= 0) ||
1974             (area_par->xvir <= 0) || (area_par->yvir <= 0)) {
1975                 pr_err("check config var fail 0:\n"
1976                        "x_offset=%d,xact=%d,xvir=%d\n",
1977                        area_par->x_offset, area_par->xact, area_par->xvir);
1978                 return -EINVAL;
1979         }
1980
1981         if ((area_par->xpos + area_par->xsize > screen->mode.xres) ||
1982             (area_par->ypos + area_par->ysize > screen->mode.yres) ||
1983             (area_par->xsize <= 0) || (area_par->ysize <= 0)) {
1984                 pr_err("check config var fail 1:\n"
1985                        "xpos=%d,xsize=%d,xres=%d\n"
1986                        "ypos=%d,ysize=%d,yres=%d\n",
1987                        area_par->xpos, area_par->xsize, screen->mode.xres,
1988                        area_par->ypos, area_par->ysize, screen->mode.yres);
1989                 return -EINVAL;
1990         }
1991         return 0;
1992 }
1993
1994 static int rk_fb_set_win_buffer(struct fb_info *info,
1995                                 struct rk_fb_win_par *win_par,
1996                                 struct rk_fb_reg_win_data *reg_win_data)
1997 {
1998         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
1999         struct fb_fix_screeninfo *fix = &info->fix;
2000         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2001         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2002         struct rk_screen *screen = dev_drv->cur_screen;
2003         struct rk_screen primary_screen;
2004         struct fb_info *fbi = rk_fb->fb[0];
2005         int i, ion_fd, acq_fence_fd;
2006         u32 xvir, yvir;
2007         u32 xoffset, yoffset;
2008
2009         struct ion_handle *hdl;
2010         size_t len;
2011         int index_buf;
2012         u8 fb_data_fmt;
2013         u8 pixel_width;
2014         u32 vir_width_bit;
2015         u32 stride, uv_stride;
2016         u32 stride_32bit_1;
2017         u32 stride_32bit_2;
2018         u16 uv_x_off, uv_y_off, uv_y_act;
2019         u8 is_pic_yuv = 0;
2020         u8 ppixel_a = 0, global_a = 0;
2021         ion_phys_addr_t phy_addr;
2022         int ret = 0;
2023
2024         reg_win_data->reg_area_data[0].smem_start = -1;
2025         reg_win_data->area_num = 0;
2026         fbi = rk_fb->fb[reg_win_data->win_id];
2027         if (win_par->area_par[0].phy_addr == 0) {
2028                 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
2029                         ion_fd = win_par->area_par[i].ion_fd;
2030                         if (ion_fd > 0) {
2031                                 hdl =
2032                                     ion_import_dma_buf(rk_fb->ion_client,
2033                                                        ion_fd);
2034                                 if (IS_ERR(hdl)) {
2035                                         pr_info
2036                                             ("%s: Could not import handle: %d\n",
2037                                              __func__, (int)hdl);
2038                                         /*return -EINVAL; */
2039                                         break;
2040                                 }
2041                                 fbi->screen_base =
2042                                     ion_map_kernel(rk_fb->ion_client, hdl);
2043                                 reg_win_data->area_num++;
2044                                 reg_win_data->reg_area_data[i].ion_handle = hdl;
2045 #ifndef CONFIG_ROCKCHIP_IOMMU
2046                                 ret = ion_phys(rk_fb->ion_client, hdl, &phy_addr,
2047                                                 &len);
2048 #else
2049                                 if (dev_drv->iommu_enabled)
2050                                         ret = ion_map_iommu(dev_drv->dev,
2051                                                                 rk_fb->ion_client,
2052                                                                 hdl,
2053                                                                 (unsigned long *)&phy_addr,
2054                                                                 (unsigned long *)&len);
2055                                 else
2056                                         ret = ion_phys(rk_fb->ion_client, hdl,
2057                                                         &phy_addr, &len);
2058 #endif
2059                                 if (ret < 0) {
2060                                         dev_err(fbi->dev, "ion map to get phy addr failed\n");
2061                                         ion_free(rk_fb->ion_client, hdl);
2062                                         return -ENOMEM;
2063                                 }
2064                                 reg_win_data->reg_area_data[i].smem_start = phy_addr;
2065                                 reg_win_data->area_buf_num++;
2066                                 reg_win_data->reg_area_data[i].index_buf = 1;
2067                         }
2068                 }
2069         } else {
2070                 reg_win_data->reg_area_data[0].smem_start =
2071                     win_par->area_par[0].phy_addr;
2072                 reg_win_data->area_num = 1;
2073                 fbi->screen_base = phys_to_virt(win_par->area_par[0].phy_addr);
2074         }
2075
2076         if (reg_win_data->area_num == 0)
2077                 return 0;
2078
2079         for (i = 0; i < reg_win_data->area_num; i++) {
2080                 acq_fence_fd = win_par->area_par[i].acq_fence_fd;
2081                 index_buf = reg_win_data->reg_area_data[i].index_buf;
2082                 if ((acq_fence_fd > 0) && (index_buf == 1)) {
2083                         reg_win_data->reg_area_data[i].acq_fence =
2084                             sync_fence_fdget(win_par->area_par[i].acq_fence_fd);
2085                 }
2086         }
2087         fb_data_fmt = rk_fb_data_fmt(win_par->data_format, 0);
2088         reg_win_data->data_format = fb_data_fmt;
2089         pixel_width = rk_fb_pixel_width(fb_data_fmt);
2090
2091         ppixel_a = ((fb_data_fmt == ARGB888) ||
2092                     (fb_data_fmt == ABGR888)) ? 1 : 0;
2093         global_a = (win_par->g_alpha_val == 0) ? 0 : 1;
2094         reg_win_data->alpha_en = ppixel_a | global_a;
2095         reg_win_data->g_alpha_val = win_par->g_alpha_val;
2096         reg_win_data->alpha_mode = win_par->alpha_mode;
2097         if (reg_win_data->reg_area_data[0].smem_start > 0) {
2098                 reg_win_data->z_order = win_par->z_order;
2099                 reg_win_data->win_id = win_par->win_id;
2100         } else {
2101                 reg_win_data->z_order = -1;
2102                 reg_win_data->win_id = -1;
2103         }
2104
2105         rk_fb_get_prmry_screen(&primary_screen);
2106         for (i = 0; i < reg_win_data->area_num; i++) {
2107                 rk_fb_check_config_var(&win_par->area_par[i], &primary_screen);
2108                 /* visiable pos in panel */
2109                 reg_win_data->reg_area_data[i].xpos = win_par->area_par[i].xpos;
2110                 reg_win_data->reg_area_data[i].ypos = win_par->area_par[i].ypos;
2111
2112                 /* realy size in panel */
2113                 reg_win_data->reg_area_data[i].xsize = win_par->area_par[i].xsize;
2114                 reg_win_data->reg_area_data[i].ysize = win_par->area_par[i].ysize;
2115
2116                 /* realy size in panel */
2117                 reg_win_data->reg_area_data[i].xact = win_par->area_par[i].xact;
2118                 reg_win_data->reg_area_data[i].yact = win_par->area_par[i].yact;
2119
2120                 xoffset = win_par->area_par[i].x_offset;        /* buf offset */
2121                 yoffset = win_par->area_par[i].y_offset;
2122                 xvir = win_par->area_par[i].xvir;
2123                 reg_win_data->reg_area_data[i].xvir = xvir;
2124                 yvir = win_par->area_par[i].yvir;
2125                 reg_win_data->reg_area_data[i].yvir = yvir;
2126
2127                 vir_width_bit = pixel_width * xvir;
2128                 /* pixel_width = byte_num*8 */
2129                 stride_32bit_1 = ((vir_width_bit + 31) & (~31)) / 8;
2130                 stride_32bit_2 = ((vir_width_bit * 2 + 31) & (~31)) / 8;
2131
2132                 stride = stride_32bit_1;        /* default rgb */
2133                 fix->line_length = stride;
2134                 reg_win_data->reg_area_data[i].y_vir_stride = stride >> 2;
2135
2136                 /* x y mirror ,jump line
2137                  * reg_win_data->reg_area_data[i].y_offset =
2138                  *              yoffset*stride+xoffset*pixel_width/8;
2139                  */
2140                 if (screen->y_mirror == 1) {
2141                         if (screen->interlace == 1) {
2142                                 reg_win_data->reg_area_data[i].y_offset =
2143                                     yoffset * stride * 2 +
2144                                     ((reg_win_data->reg_area_data[i].yact - 1) * 2 + 1) * stride +
2145                                     xoffset * pixel_width / 8;
2146                         } else {
2147                                 reg_win_data->reg_area_data[i].y_offset =
2148                                     yoffset * stride +
2149                                     (reg_win_data->reg_area_data[i].yact - 1) * stride +
2150                                     xoffset * pixel_width / 8;
2151                         }
2152                 } else {
2153                         if (screen->interlace == 1) {
2154                                 reg_win_data->reg_area_data[i].y_offset =
2155                                     yoffset * stride * 2 +
2156                                     xoffset * pixel_width / 8;
2157                         } else {
2158                                 reg_win_data->reg_area_data[i].y_offset =
2159                                     yoffset * stride +
2160                                     xoffset * pixel_width / 8;
2161                         }
2162                 }
2163         }
2164         switch (fb_data_fmt) {
2165         case YUV422:
2166         case YUV422_A:
2167                 is_pic_yuv = 1;
2168                 stride = stride_32bit_1;
2169                 uv_stride = stride_32bit_1 >> 1;
2170                 uv_x_off = xoffset >> 1;
2171                 uv_y_off = yoffset;
2172                 fix->line_length = stride;
2173                 uv_y_act = win_par->area_par[0].yact >> 1;
2174                 break;
2175         case YUV420:            /* 420sp */
2176         case YUV420_A:
2177                 is_pic_yuv = 1;
2178                 stride = stride_32bit_1;
2179                 uv_stride = stride_32bit_1;
2180                 uv_x_off = xoffset;
2181                 uv_y_off = yoffset >> 1;
2182                 fix->line_length = stride;
2183                 uv_y_act = win_par->area_par[0].yact >> 1;
2184                 break;
2185         case YUV444:
2186         case YUV444_A:
2187                 is_pic_yuv = 1;
2188                 stride = stride_32bit_1;
2189                 uv_stride = stride_32bit_2;
2190                 uv_x_off = xoffset * 2;
2191                 uv_y_off = yoffset;
2192                 fix->line_length = stride << 2;
2193                 uv_y_act = win_par->area_par[0].yact;
2194                 break;
2195         default:
2196                 break;
2197         }
2198         if (is_pic_yuv == 1) {
2199                 reg_win_data->reg_area_data[0].cbr_start =
2200                     reg_win_data->reg_area_data[0].smem_start + xvir * yvir;
2201                 reg_win_data->reg_area_data[0].uv_vir_stride = uv_stride >> 2;
2202                 if (screen->y_mirror == 1) {
2203                         if (screen->interlace == 1) {
2204                                 reg_win_data->reg_area_data[0].c_offset =
2205                                     uv_y_off * uv_stride * 2 +
2206                                     ((uv_y_act - 1) * 2 + 1) * uv_stride +
2207                                     uv_x_off * pixel_width / 8;
2208                         } else {
2209                                 reg_win_data->reg_area_data[0].c_offset =
2210                                     uv_y_off * uv_stride +
2211                                     (uv_y_act - 1) * uv_stride +
2212                                     uv_x_off * pixel_width / 8;
2213                         }
2214                 } else {
2215                         if (screen->interlace == 1) {
2216                                 reg_win_data->reg_area_data[0].c_offset =
2217                                     uv_y_off * uv_stride * 2 +
2218                                     uv_x_off * pixel_width / 8;
2219                         } else {
2220                                 reg_win_data->reg_area_data[0].c_offset =
2221                                     uv_y_off * uv_stride +
2222                                     uv_x_off * pixel_width / 8;
2223                         }
2224                 }
2225         }
2226         return 0;
2227 }
2228
2229 static int rk_fb_set_win_config(struct fb_info *info,
2230                                 struct rk_fb_win_cfg_data *win_data)
2231 {
2232         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2233         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2234         struct rk_fb_reg_data *regs;
2235 #ifdef H_USE_FENCE
2236         struct sync_fence *release_fence[RK_MAX_BUF_NUM];
2237         struct sync_fence *retire_fence;
2238         struct sync_pt *release_sync_pt[RK_MAX_BUF_NUM];
2239         struct sync_pt *retire_sync_pt;
2240         char fence_name[20];
2241 #endif
2242         int ret = 0, i, j = 0;
2243         int list_is_empty = 0;
2244
2245         regs = kzalloc(sizeof(struct rk_fb_reg_data), GFP_KERNEL);
2246         if (!regs) {
2247                 printk(KERN_INFO "could not allocate rk_fb_reg_data\n");
2248                 ret = -ENOMEM;
2249                 return ret;
2250         }
2251
2252 /*
2253         regs->post_cfg.xpos = win_data->post_cfg.xpos;
2254         regs->post_cfg.ypos = win_data->post_cfg.ypos;
2255         regs->post_cfg.xsize = win_data->post_cfg.xsize;
2256         regs->post_cfg.ysize = win_data->post_cfg.xsize;
2257 */
2258
2259         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
2260                 if (win_data->win_par[i].win_id < dev_drv->lcdc_win_num) {
2261                         if (rk_fb_set_win_buffer(info, &win_data->win_par[i],
2262                                                         &regs->reg_win_data[j]))
2263                                 return -ENOMEM;
2264                         if (regs->reg_win_data[j].area_num > 0) {
2265                                 regs->win_num++;
2266                                 regs->buf_num +=
2267                                     regs->reg_win_data[j].area_buf_num;
2268                         }
2269                         j++;
2270                 } else {
2271                         printk(KERN_INFO "error:win_id bigger than lcdc_win_num\n");
2272                         printk(KERN_INFO "i=%d,win_id=%d\n", i,
2273                                win_data->win_par[i].win_id);
2274                 }
2275         }
2276
2277         mutex_lock(&dev_drv->output_lock);
2278         if (!(dev_drv->suspend_flag == 0)) {
2279                 rk_fb_update_reg(dev_drv, regs);
2280                 kfree(regs);
2281                 printk(KERN_INFO "suspend_flag = 1\n");
2282                 goto err;
2283         }
2284
2285         dev_drv->timeline_max++;
2286 #ifdef H_USE_FENCE
2287         for (i = 0; i < RK_MAX_BUF_NUM; i++) {
2288                 if (i < regs->buf_num) {
2289                         sprintf(fence_name, "fence%d", i);
2290                         win_data->rel_fence_fd[i] = get_unused_fd();
2291                         if (win_data->rel_fence_fd[i] < 0) {
2292                                 printk(KERN_INFO "rel_fence_fd=%d\n",
2293                                        win_data->rel_fence_fd[i]);
2294                                 ret = -EFAULT;
2295                                 goto err;
2296                         }
2297                         release_sync_pt[i] =
2298                             sw_sync_pt_create(dev_drv->timeline,
2299                                               dev_drv->timeline_max);
2300                         release_fence[i] =
2301                             sync_fence_create(fence_name, release_sync_pt[i]);
2302                         sync_fence_install(release_fence[i],
2303                                            win_data->rel_fence_fd[i]);
2304                 } else {
2305                         win_data->rel_fence_fd[i] = -1;
2306                 }
2307         }
2308
2309         win_data->ret_fence_fd = get_unused_fd();
2310         if (win_data->ret_fence_fd < 0) {
2311                 printk("ret_fence_fd=%d\n", win_data->ret_fence_fd);
2312                 ret = -EFAULT;
2313                 goto err;
2314         }
2315         retire_sync_pt =
2316             sw_sync_pt_create(dev_drv->timeline, dev_drv->timeline_max);
2317         retire_fence = sync_fence_create("ret_fence", retire_sync_pt);
2318         sync_fence_install(retire_fence, win_data->ret_fence_fd);
2319 #else
2320         for (i = 0; i < RK_MAX_BUF_NUM; i++)
2321                 win_data->rel_fence_fd[i] = -1;
2322
2323         win_data->ret_fence_fd = -1;
2324 #endif
2325         if (dev_drv->wait_fs == 0) {
2326                 mutex_lock(&dev_drv->update_regs_list_lock);
2327                 list_add_tail(&regs->list, &dev_drv->update_regs_list);
2328                 mutex_unlock(&dev_drv->update_regs_list_lock);
2329                 queue_kthread_work(&dev_drv->update_regs_worker,
2330                                    &dev_drv->update_regs_work);
2331         } else {
2332                 mutex_lock(&dev_drv->update_regs_list_lock);
2333                 list_is_empty = list_empty(&dev_drv->update_regs_list) &&
2334                                         list_empty(&saved_list);
2335                 mutex_unlock(&dev_drv->update_regs_list_lock);
2336                 if (!list_is_empty) {
2337                         ret = wait_event_timeout(dev_drv->update_regs_wait,
2338                                 list_empty(&dev_drv->update_regs_list) && list_empty(&saved_list),
2339                                 msecs_to_jiffies(60));
2340                         if (ret > 0)
2341                                 rk_fb_update_reg(dev_drv, regs);
2342                         else
2343                                 printk("%s: wait update_regs_wait timeout\n", __func__);
2344                 } else if (ret == 0) {
2345                         rk_fb_update_reg(dev_drv, regs);
2346                 }
2347                 kfree(regs);
2348         }
2349
2350 err:
2351         mutex_unlock(&dev_drv->output_lock);
2352         return ret;
2353 }
2354
2355 #if 1
2356 static int cfgdone_distlist[10] = { 0 };
2357
2358 static int cfgdone_index;
2359 static int cfgdone_lasttime;
2360
2361 int rk_get_real_fps(int before)
2362 {
2363         struct timespec now;
2364         int dist_curr;
2365         int dist_total = 0;
2366         int dist_count = 0;
2367         int dist_first = 0;
2368
2369         int index = cfgdone_index;
2370         int i = 0, fps = 0;
2371         int total;
2372
2373         if (before > 100)
2374                 before = 100;
2375         if (before < 0)
2376                 before = 0;
2377
2378         getnstimeofday(&now);
2379         dist_curr = (now.tv_sec * 1000000 + now.tv_nsec / 1000) -
2380                         cfgdone_lasttime;
2381         total = dist_curr;
2382         /*
2383            printk("fps: ");
2384          */
2385         for (i = 0; i < 10; i++) {
2386                 if (--index < 0)
2387                         index = 9;
2388                 total += cfgdone_distlist[index];
2389                 if (i == 0)
2390                         dist_first = cfgdone_distlist[index];
2391                 if (total < (before * 1000)) {
2392                         /*
2393                            printk("[%d:%d] ", dist_count, cfgdone_distlist[index]);
2394                          */
2395                         dist_total += cfgdone_distlist[index];
2396                         dist_count++;
2397                 } else {
2398                         break;
2399                 }
2400         }
2401
2402         /*
2403            printk("total %d, count %d, curr %d, ", dist_total, dist_count, dist_curr);
2404          */
2405         dist_curr = (dist_curr > dist_first) ? dist_curr : dist_first;
2406         dist_total += dist_curr;
2407         dist_count++;
2408
2409         if (dist_total > 0)
2410                 fps = (1000000 * dist_count) / dist_total;
2411         else
2412                 fps = 60;
2413
2414         /*
2415            printk("curr2 %d, fps=%d\n", dist_curr, fps);
2416          */
2417         return fps;
2418 }
2419 EXPORT_SYMBOL(rk_get_real_fps);
2420
2421 #endif
2422 #ifdef CONFIG_ROCKCHIP_IOMMU
2423 #define ION_MAX 10
2424 static struct ion_handle *ion_hanle[ION_MAX];
2425 static struct ion_handle *ion_hwc[1];
2426 #endif
2427 static int rk_fb_ioctl(struct fb_info *info, unsigned int cmd,
2428                        unsigned long arg)
2429 {
2430         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2431         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2432         struct rk_fb_par *extend_fb_par = NULL;
2433         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2434         struct fb_fix_screeninfo *fix = &info->fix;
2435         int fb_id = 0, extend_win_id = 0;
2436         struct fb_info *extend_info = NULL;
2437         struct rk_lcdc_driver *extend_dev_drv = NULL;
2438         struct rk_lcdc_win *extend_win = NULL;
2439         struct rk_lcdc_win *win;
2440         int enable;     /* enable fb:1 enable;0 disable */
2441         int ovl;        /* overlay:0 win1 on the top of win0;1,win0 on the top of win1 */
2442         int num_buf;    /* buffer_number */
2443         int ret;
2444         struct rk_fb_win_cfg_data win_data;
2445         unsigned int dsp_addr[4];
2446         int list_stat;
2447
2448         int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2449
2450         void __user *argp = (void __user *)arg;
2451         win = dev_drv->win[win_id];
2452         if (rk_fb->disp_mode == DUAL) {
2453                 fb_id = get_extend_fb_id(info);
2454                 extend_info = rk_fb->fb[(rk_fb->num_fb >> 1) + fb_id];
2455                 extend_fb_par = (struct rk_fb_par *)extend_info->par;
2456                 extend_dev_drv = extend_fb_par->lcdc_drv;
2457                 extend_win_id = dev_drv->ops->fb_get_win_id(extend_dev_drv,
2458                                                             extend_info->fix.id);
2459                 extend_win = extend_dev_drv->win[extend_win_id];
2460         }
2461
2462         switch (cmd) {
2463         case RK_FBIOSET_HWC_ADDR:
2464         {
2465                 u32 hwc_phy[1];
2466                 if (copy_from_user(hwc_phy, argp, 4))
2467                         return -EFAULT;
2468 #ifdef CONFIG_ROCKCHIP_IOMMU
2469                 if (!dev_drv->iommu_enabled) {
2470 #endif
2471                         fix->smem_start = hwc_phy[0];
2472 #ifdef CONFIG_ROCKCHIP_IOMMU
2473                 } else {
2474                         int usr_fd;
2475                         struct ion_handle *hdl;
2476                         ion_phys_addr_t phy_addr;
2477                         size_t len;
2478
2479                         usr_fd = hwc_phy[0];
2480                         if (!usr_fd) {
2481                                 fix->smem_start = 0;
2482                                 fix->mmio_start = 0;
2483                                 break;
2484                         }
2485
2486                         if (ion_hwc[0] != 0) {
2487                                 ion_free(rk_fb->ion_client, ion_hwc[0]);
2488                                 ion_hwc[0] = 0;
2489                         }
2490
2491                         hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2492                         if (IS_ERR(hdl)) {
2493                                 dev_err(info->dev, "failed to get hwc ion handle:%ld\n",
2494                                         PTR_ERR(hdl));
2495                                 return -EFAULT;
2496                         }
2497
2498                         ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2499                                                 (unsigned long *)&phy_addr,
2500                                                 (unsigned long *)&len);
2501                         if (ret < 0) {
2502                                 dev_err(info->dev, "ion map to get hwc phy addr failed");
2503                                 ion_free(rk_fb->ion_client, hdl);
2504                                 return -ENOMEM;
2505                         }
2506                         fix->smem_start = phy_addr;
2507                         ion_hwc[0] = hdl;
2508                 }
2509 #endif
2510                 break;
2511         }
2512         case RK_FBIOSET_YUV_ADDR:
2513                 {
2514                         u32 yuv_phy[2];
2515
2516                         if (copy_from_user(yuv_phy, argp, 8))
2517                                 return -EFAULT;
2518                         #ifdef CONFIG_ROCKCHIP_IOMMU
2519                         if (!dev_drv->iommu_enabled || !strcmp(info->fix.id, "fb0")) {
2520                         #endif
2521                                 fix->smem_start = yuv_phy[0];
2522                                 fix->mmio_start = yuv_phy[1];
2523                         #ifdef CONFIG_ROCKCHIP_IOMMU
2524                         } else {
2525                                 int usr_fd, offset, tmp;
2526                                 struct ion_handle *hdl;
2527                                 ion_phys_addr_t phy_addr;
2528                                 size_t len;
2529
2530                                 usr_fd = yuv_phy[0];
2531                                 offset = yuv_phy[1] - yuv_phy[0];
2532
2533                                 if (!usr_fd) {
2534                                         fix->smem_start = 0;
2535                                         fix->mmio_start = 0;
2536                                         break;
2537                                 }
2538
2539                                 if (ion_hanle[ION_MAX - 1] != 0) {
2540                                         /*ion_unmap_kernel(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);*/
2541                                         /*ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client, ion_hanle[ION_MAX - 1]);*/
2542                                         ion_free(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);
2543                                         ion_hanle[ION_MAX - 1] = 0;
2544                                 }
2545
2546                                 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2547                                 if (IS_ERR(hdl)) {
2548                                         dev_err(info->dev, "failed to get ion handle:%ld\n",
2549                                                 PTR_ERR(hdl));
2550                                         return -EFAULT;
2551                                 }
2552
2553                                 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2554                                                         (unsigned long *)&phy_addr,
2555                                                         (unsigned long *)&len);
2556                                 if (ret < 0) {
2557                                         dev_err(info->dev, "ion map to get phy addr failed");
2558                                         ion_free(rk_fb->ion_client, hdl);
2559                                         return -ENOMEM;
2560                                 }
2561                                 fix->smem_start = phy_addr;
2562                                 fix->mmio_start = phy_addr + offset;
2563                                 fix->smem_len = len;
2564                                 /*info->screen_base = ion_map_kernel(rk_fb->ion_client, hdl);*/
2565
2566                                 ion_hanle[0] = hdl;
2567                                 for (tmp = ION_MAX - 1; tmp > 0; tmp--)
2568                                         ion_hanle[tmp] = ion_hanle[tmp - 1];
2569                                 ion_hanle[0] = 0;
2570                         }
2571                         #endif
2572                         break;
2573                 }
2574         case RK_FBIOSET_ENABLE:
2575                 if (copy_from_user(&enable, argp, sizeof(enable)))
2576                         return -EFAULT;
2577                 dev_drv->ops->open(dev_drv, win_id, enable);
2578                 break;
2579         case RK_FBIOGET_ENABLE:
2580                 enable = dev_drv->ops->get_win_state(dev_drv, win_id);
2581                 if (copy_to_user(argp, &enable, sizeof(enable)))
2582                         return -EFAULT;
2583                 break;
2584         case RK_FBIOSET_OVERLAY_STA:
2585                 if (copy_from_user(&ovl, argp, sizeof(ovl)))
2586                         return -EFAULT;
2587                 dev_drv->ops->ovl_mgr(dev_drv, ovl, 1);
2588                 break;
2589         case RK_FBIOGET_OVERLAY_STA:
2590                 ovl = dev_drv->ops->ovl_mgr(dev_drv, 0, 0);
2591                 if (copy_to_user(argp, &ovl, sizeof(ovl)))
2592                         return -EFAULT;
2593                 break;
2594         case RK_FBIOPUT_NUM_BUFFERS:
2595                 if (copy_from_user(&num_buf, argp, sizeof(num_buf)))
2596                         return -EFAULT;
2597                 dev_drv->num_buf = num_buf;
2598                 break;
2599         case RK_FBIOSET_VSYNC_ENABLE:
2600                 if (copy_from_user(&enable, argp, sizeof(enable)))
2601                         return -EFAULT;
2602                 dev_drv->vsync_info.active = enable;
2603                 break;
2604
2605         case RK_FBIOGET_DSP_ADDR:
2606                 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
2607                 if (copy_to_user(argp, &dsp_addr, sizeof(dsp_addr)))
2608                         return -EFAULT;
2609                 break;
2610         case RK_FBIOGET_LIST_STA:
2611                 list_stat = rk_fb_get_list_stat(dev_drv);
2612                 if (copy_to_user(argp, &list_stat, sizeof(list_stat)))
2613                         return -EFAULT;
2614
2615                 break;
2616         case RK_FBIOGET_IOMMU_STA:
2617                 if (copy_to_user(argp, &dev_drv->iommu_enabled,
2618                                  sizeof(dev_drv->iommu_enabled)))
2619                         return -EFAULT;
2620                 break;
2621 #if defined(CONFIG_ION_ROCKCHIP)
2622         case RK_FBIOSET_DMABUF_FD:
2623                 {
2624                         int usr_fd;
2625                         struct ion_handle *hdl;
2626                         ion_phys_addr_t phy_addr;
2627                         size_t len;
2628                         if (copy_from_user(&usr_fd, argp, sizeof(usr_fd)))
2629                                 return -EFAULT;
2630                         hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2631                         ion_phys(rk_fb->ion_client, hdl, &phy_addr, &len);
2632                         fix->smem_start = phy_addr;
2633                         break;
2634                 }
2635         case RK_FBIOGET_DMABUF_FD:
2636                 {
2637                         int fd =
2638                             ion_share_dma_buf_fd(rk_fb->ion_client,
2639                                                  win->area[0].ion_hdl);
2640                         if (fd < 0) {
2641                                 dev_err(info->dev,
2642                                         "ion_share_dma_buf_fd failed\n");
2643                                 return fd;
2644                         }
2645                         if (copy_to_user(argp, &fd, sizeof(fd)))
2646                                 return -EFAULT;
2647                         break;
2648                 }
2649 #endif
2650         case RK_FBIOSET_CLEAR_FB:
2651                 memset(fb_par->fb_virt_base, 0, fb_par->fb_size);
2652                 break;
2653         case RK_FBIOSET_CONFIG_DONE:
2654                 {
2655                         int curr = 0;
2656                         struct timespec now;
2657
2658                         getnstimeofday(&now);
2659                         curr = now.tv_sec * 1000000 + now.tv_nsec / 1000;
2660                         cfgdone_distlist[cfgdone_index++] =
2661                             curr - cfgdone_lasttime;
2662                         /*
2663                            printk("%d ", curr - cfgdone_lasttime);
2664                          */
2665                         cfgdone_lasttime = curr;
2666                         if (cfgdone_index >= 10)
2667                                 cfgdone_index = 0;
2668                 }
2669                 if (copy_from_user(&win_data,
2670                                    (struct rk_fb_win_cfg_data __user *)argp,
2671                                    sizeof(win_data))) {
2672                         ret = -EFAULT;
2673                         break;
2674                 };
2675
2676                 dev_drv->wait_fs = win_data.wait_fs;
2677                 rk_fb_set_win_config(info, &win_data);
2678
2679                 if (copy_to_user((struct rk_fb_win_cfg_data __user *)arg,
2680                                  &win_data, sizeof(win_data))) {
2681                         ret = -EFAULT;
2682                         break;
2683                 }
2684                 memset(&win_data, 0, sizeof(struct rk_fb_win_cfg_data));
2685                 break;
2686         default:
2687                 dev_drv->ops->ioctl(dev_drv, cmd, arg, win_id);
2688                 break;
2689         }
2690
2691         return 0;
2692 }
2693
2694 static int rk_fb_blank(int blank_mode, struct fb_info *info)
2695 {
2696         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2697         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2698         struct fb_fix_screeninfo *fix = &info->fix;
2699         int win_id;
2700 #if defined(CONFIG_RK_HDMI)
2701         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2702 #endif
2703
2704         win_id = dev_drv->ops->fb_get_win_id(dev_drv, fix->id);
2705         if (win_id < 0)
2706                 return -ENODEV;
2707 #if defined(CONFIG_RK_HDMI)
2708         if ((rk_fb->disp_mode == ONE_DUAL) &&
2709             (hdmi_get_hotplug() == HDMI_HPD_ACTIVED)) {
2710                 printk(KERN_INFO "hdmi is connect , not blank lcdc\n");
2711         } else
2712 #endif
2713         {
2714                 dev_drv->ops->blank(dev_drv, win_id, blank_mode);
2715         }
2716         return 0;
2717 }
2718
2719 static int rk_fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
2720 {
2721         if ((0 == var->xres_virtual) || (0 == var->yres_virtual) ||
2722             (0 == var->xres) || (0 == var->yres) || (var->xres < 16) ||
2723             ((16 != var->bits_per_pixel) &&
2724             (32 != var->bits_per_pixel) &&
2725             (24 != var->bits_per_pixel))) {
2726                 dev_err(info->dev, "%s check var fail 1:\n"
2727                         "xres_vir:%d>>yres_vir:%d\n"
2728                         "xres:%d>>yres:%d\n"
2729                         "bits_per_pixel:%d\n",
2730                         info->fix.id,
2731                         var->xres_virtual,
2732                         var->yres_virtual,
2733                         var->xres, var->yres, var->bits_per_pixel);
2734                 return -EINVAL;
2735         }
2736
2737         if (((var->xoffset + var->xres) > var->xres_virtual) ||
2738             ((var->yoffset + var->yres) > (var->yres_virtual))) {
2739                 dev_err(info->dev, "%s check_var fail 2:\n"
2740                         "xoffset:%d>>xres:%d>>xres_vir:%d\n"
2741                         "yoffset:%d>>yres:%d>>yres_vir:%d\n",
2742                         info->fix.id,
2743                         var->xoffset,
2744                         var->xres,
2745                         var->xres_virtual,
2746                         var->yoffset, var->yres, var->yres_virtual);
2747                 return -EINVAL;
2748         }
2749
2750         return 0;
2751 }
2752
2753 static ssize_t rk_fb_read(struct fb_info *info, char __user *buf,
2754                           size_t count, loff_t *ppos)
2755 {
2756         unsigned long p = *ppos;
2757         u8 *buffer, *dst;
2758         u8 __iomem *src;
2759         int c, cnt = 0, err = 0;
2760         unsigned long total_size;
2761         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2762         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2763         struct rk_lcdc_win *win = NULL;
2764         int win_id = 0;
2765
2766         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2767         if (win_id < 0)
2768                 return -ENODEV;
2769         else
2770                 win = dev_drv->win[win_id];
2771
2772         /* only read the current frame buffer */
2773         if (win->format == RGB565) {
2774                 total_size = win->area[0].y_vir_stride * win->area[0].yact << 1;
2775         } else if (win->format == YUV420) {
2776                 total_size =
2777                     (win->area[0].y_vir_stride * win->area[0].yact * 6);
2778         } else {
2779                 total_size = win->area[0].y_vir_stride * win->area[0].yact << 2;
2780         }
2781         if (p >= total_size)
2782                 return 0;
2783
2784         if (count >= total_size)
2785                 count = total_size;
2786
2787         if (count + p > total_size)
2788                 count = total_size - p;
2789
2790         buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
2791         if (!buffer)
2792                 return -ENOMEM;
2793
2794         src = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
2795
2796         while (count) {
2797                 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
2798                 dst = buffer;
2799                 fb_memcpy_fromfb(dst, src, c);
2800                 dst += c;
2801                 src += c;
2802
2803                 if (copy_to_user(buf, buffer, c)) {
2804                         err = -EFAULT;
2805                         break;
2806                 }
2807                 *ppos += c;
2808                 buf += c;
2809                 cnt += c;
2810                 count -= c;
2811         }
2812
2813         kfree(buffer);
2814
2815         return (err) ? err : cnt;
2816 }
2817
2818 static ssize_t rk_fb_write(struct fb_info *info, const char __user *buf,
2819                            size_t count, loff_t *ppos)
2820 {
2821         unsigned long p = *ppos;
2822         u8 *buffer, *src;
2823         u8 __iomem *dst;
2824         int c, cnt = 0, err = 0;
2825         unsigned long total_size;
2826         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2827         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2828         struct rk_lcdc_win *win = NULL;
2829         int win_id = 0;
2830
2831         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2832         if (win_id < 0)
2833                 return -ENODEV;
2834         else
2835                 win = dev_drv->win[win_id];
2836
2837         /* write the current frame buffer */
2838         if (win->format == RGB565)
2839                 total_size = win->area[0].xact * win->area[0].yact << 1;
2840         else
2841                 total_size = win->area[0].xact * win->area[0].yact << 2;
2842
2843         if (p > total_size)
2844                 return -EFBIG;
2845
2846         if (count > total_size) {
2847                 err = -EFBIG;
2848                 count = total_size;
2849         }
2850
2851         if (count + p > total_size) {
2852                 if (!err)
2853                         err = -ENOSPC;
2854
2855                 count = total_size - p;
2856         }
2857
2858         buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
2859         if (!buffer)
2860                 return -ENOMEM;
2861
2862         dst = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
2863
2864         while (count) {
2865                 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
2866                 src = buffer;
2867
2868                 if (copy_from_user(src, buf, c)) {
2869                         err = -EFAULT;
2870                         break;
2871                 }
2872
2873                 fb_memcpy_tofb(dst, src, c);
2874                 dst += c;
2875                 src += c;
2876                 *ppos += c;
2877                 buf += c;
2878                 cnt += c;
2879                 count -= c;
2880         }
2881
2882         kfree(buffer);
2883
2884         return (cnt) ? cnt : err;
2885 }
2886
2887 /*
2888  * function: update extend info acorrding to primary info that only used for dual display mode
2889  * @ext_info: the fb_info of extend screen
2890  * @info: the fb_info of primary screen
2891  * @update_buffer: whether to update extend info buffer, 0: no;1: yes
2892  */
2893 static int rk_fb_update_ext_info(struct fb_info *ext_info,
2894                                         struct fb_info *info, int update_buffer)
2895 {
2896         struct rk_fb *rk_fb =  platform_get_drvdata(fb_pdev);
2897         struct rk_fb_par *fb_par = NULL;
2898         struct rk_fb_par *ext_fb_par = NULL;
2899         struct rk_lcdc_driver *dev_drv = NULL;
2900         struct rk_lcdc_driver *ext_dev_drv = NULL;
2901         struct rk_lcdc_win *win = NULL;
2902         struct rk_lcdc_win *ext_win = NULL;
2903         int win_id = 0, ext_win_id = 0;
2904
2905         if (rk_fb->disp_mode != DUAL || info == ext_info)
2906                 return 0;
2907         if (unlikely(!info) || unlikely(!ext_info))
2908                 return -1;
2909
2910         fb_par = (struct rk_fb_par *)info->par;
2911         ext_fb_par = (struct rk_fb_par *)ext_info->par;
2912         dev_drv = fb_par->lcdc_drv;
2913         ext_dev_drv = ext_fb_par->lcdc_drv;
2914         if (unlikely(!dev_drv) || unlikely(!ext_dev_drv))
2915                 return -1;
2916
2917         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2918         win = dev_drv->win[win_id];
2919         ext_win_id = ext_dev_drv->ops->fb_get_win_id(ext_dev_drv,
2920                                                      ext_info->fix.id);
2921         ext_win = ext_dev_drv->win[ext_win_id];
2922
2923         rk_fb_update_ext_win(ext_dev_drv, dev_drv, ext_win, win);
2924         if (update_buffer) {
2925                 rk_fb_set_ext_win_buffer(ext_win, win, ext_dev_drv->rotate_mode,
2926                                          ext_dev_drv->iommu_enabled);
2927
2928                 /* update extend info display address */
2929                 ext_info->fix.smem_start = ext_win->area[0].smem_start;
2930                 ext_info->fix.mmio_start = ext_win->area[0].cbr_start;
2931
2932                 if (ext_dev_drv->rotate_mode > X_Y_MIRROR)
2933                         rk_fb_rotate(ext_info, info);
2934         }
2935
2936         /* update extend info */
2937         ext_info->var.xres = ext_win->area[0].xact;
2938         ext_info->var.yres = ext_win->area[0].yact;
2939         ext_info->var.xres_virtual = ext_win->area[0].xvir;
2940         ext_info->var.yres_virtual = ext_win->area[0].yvir;
2941
2942         /* config same data format */
2943         ext_info->var.nonstd &= 0xffffff00;
2944         ext_info->var.nonstd |= (info->var.nonstd & 0xff);
2945
2946         ext_info->var.nonstd &= 0xff;
2947         ext_info->var.nonstd |=
2948                 (ext_win->area[0].xpos << 8) + (ext_win->area[0].ypos << 20);
2949
2950         ext_info->var.grayscale &= 0xff;
2951         ext_info->var.grayscale |=
2952                 (ext_win->area[0].xsize << 8) + (ext_win->area[0].ysize << 20);
2953
2954         return 0;
2955 }
2956
2957 static int rk_fb_set_par(struct fb_info *info)
2958 {
2959         struct fb_var_screeninfo *var = &info->var;
2960         struct fb_fix_screeninfo *fix = &info->fix;
2961         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2962         struct rk_fb_par *extend_fb_par = NULL;
2963         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2964         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2965         int fb_id, extend_win_id = 0;
2966         struct fb_info *extend_info = NULL;
2967         struct rk_lcdc_driver *extend_dev_drv = NULL;
2968         struct rk_lcdc_win *extend_win = NULL;
2969         struct rk_lcdc_win *win = NULL;
2970         struct rk_screen *screen = dev_drv->cur_screen;
2971         int win_id = 0;
2972         u32 cblen = 0, crlen = 0;
2973         u16 xsize = 0, ysize = 0;       /* winx display window height/width --->LCDC_WINx_DSP_INFO */
2974         u32 xoffset = var->xoffset;     /* offset from virtual to visible */
2975         u32 yoffset = var->yoffset;
2976         u16 xpos = (var->nonstd >> 8) & 0xfff;  /*visiable pos in panel */
2977         u16 ypos = (var->nonstd >> 20) & 0xfff;
2978         u32 xvir = var->xres_virtual;
2979         u32 yvir = var->yres_virtual;
2980         u8 data_format = var->nonstd & 0xff;
2981         u8 fb_data_fmt;
2982         u8 pixel_width;
2983         u32 vir_width_bit;
2984         u32 stride, uv_stride;
2985         u32 stride_32bit_1;
2986         u32 stride_32bit_2;
2987         u16 uv_x_off, uv_y_off, uv_y_act;
2988         u8 is_pic_yuv = 0;
2989
2990         var->pixclock = dev_drv->pixclock;
2991         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2992         if (win_id < 0)
2993                 return -ENODEV;
2994         else
2995                 win = dev_drv->win[win_id];
2996
2997         if (rk_fb->disp_mode == DUAL) {
2998                 fb_id = get_extend_fb_id(info);
2999                 extend_info = rk_fb->fb[(rk_fb->num_fb >> 1) + fb_id];
3000                 extend_fb_par = (struct rk_fb_par *)extend_info->par;
3001                 extend_dev_drv = extend_fb_par->lcdc_drv;
3002                 extend_win_id = dev_drv->ops->fb_get_win_id(extend_dev_drv,
3003                                                             extend_info->fix.id);
3004                 extend_win = extend_dev_drv->win[extend_win_id];
3005         }
3006
3007         /* if the application has specific the horizontal and vertical display size */
3008         if (var->grayscale >> 8) {
3009                 xsize = (var->grayscale >> 8) & 0xfff;
3010                 ysize = (var->grayscale >> 20) & 0xfff;
3011                 if (xsize > screen->mode.xres)
3012                         xsize = screen->mode.xres;
3013                 if (ysize > screen->mode.yres)
3014                         ysize = screen->mode.yres;
3015         } else {                /*ohterwise  full  screen display */
3016                 xsize = screen->mode.xres;
3017                 ysize = screen->mode.yres;
3018         }
3019
3020         fb_data_fmt = rk_fb_data_fmt(data_format, var->bits_per_pixel);
3021         pixel_width = rk_fb_pixel_width(fb_data_fmt);
3022         vir_width_bit = pixel_width * xvir;
3023         /* pixel_width = byte_num * 8 */
3024         stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
3025         stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
3026
3027         switch (fb_data_fmt) {
3028         case YUV422:
3029         case YUV422_A:
3030                 is_pic_yuv = 1;
3031                 stride = stride_32bit_1;
3032                 uv_stride = stride_32bit_1 >> 1;
3033                 uv_x_off = xoffset >> 1;
3034                 uv_y_off = yoffset;
3035                 fix->line_length = stride;
3036                 cblen = crlen = (xvir * yvir) >> 1;
3037                 uv_y_act = win->area[0].yact >> 1;
3038                 break;
3039         case YUV420:            /* 420sp */
3040         case YUV420_A:
3041                 is_pic_yuv = 1;
3042                 stride = stride_32bit_1;
3043                 uv_stride = stride_32bit_1;
3044                 uv_x_off = xoffset;
3045                 uv_y_off = yoffset >> 1;
3046                 fix->line_length = stride;
3047                 cblen = crlen = (xvir * yvir) >> 2;
3048                 uv_y_act = win->area[0].yact >> 1;
3049                 break;
3050         case YUV444:
3051         case YUV444_A:
3052                 is_pic_yuv = 1;
3053                 stride = stride_32bit_1;
3054                 uv_stride = stride_32bit_2;
3055                 uv_x_off = xoffset * 2;
3056                 uv_y_off = yoffset;
3057                 fix->line_length = stride << 2;
3058                 cblen = crlen = (xvir * yvir);
3059                 uv_y_act = win->area[0].yact;
3060                 break;
3061         default:
3062                 stride = stride_32bit_1;        /* default rgb */
3063                 fix->line_length = stride;
3064                 break;
3065         }
3066
3067         /* x y mirror ,jump line */
3068         if (screen->y_mirror == 1) {
3069                 if (screen->interlace == 1) {
3070                         win->area[0].y_offset = yoffset * stride * 2 +
3071                             ((win->area[0].yact - 1) * 2 + 1) * stride +
3072                             xoffset * pixel_width / 8;
3073                 } else {
3074                         win->area[0].y_offset = yoffset * stride +
3075                             (win->area[0].yact - 1) * stride +
3076                             xoffset * pixel_width / 8;
3077                 }
3078         } else {
3079                 if (screen->interlace == 1) {
3080                         win->area[0].y_offset =
3081                             yoffset * stride * 2 + xoffset * pixel_width / 8;
3082                 } else {
3083                         win->area[0].y_offset =
3084                             yoffset * stride + xoffset * pixel_width / 8;
3085                 }
3086         }
3087         if (is_pic_yuv == 1) {
3088                 if (screen->y_mirror == 1) {
3089                         if (screen->interlace == 1) {
3090                                 win->area[0].c_offset =
3091                                     uv_y_off * uv_stride * 2 +
3092                                     ((uv_y_act - 1) * 2 + 1) * uv_stride +
3093                                     uv_x_off * pixel_width / 8;
3094                         } else {
3095                                 win->area[0].c_offset = uv_y_off * uv_stride +
3096                                     (uv_y_act - 1) * uv_stride +
3097                                     uv_x_off * pixel_width / 8;
3098                         }
3099                 } else {
3100                         if (screen->interlace == 1) {
3101                                 win->area[0].c_offset =
3102                                     uv_y_off * uv_stride * 2 +
3103                                     uv_x_off * pixel_width / 8;
3104                         } else {
3105                                 win->area[0].c_offset =
3106                                     uv_y_off * uv_stride +
3107                                     uv_x_off * pixel_width / 8;
3108                         }
3109                 }
3110         }
3111
3112         win->format = fb_data_fmt;
3113         win->area[0].y_vir_stride = stride >> 2;
3114         win->area[0].uv_vir_stride = uv_stride >> 2;
3115         win->area[0].xpos = xpos;
3116         win->area[0].ypos = ypos;
3117         win->area[0].xsize = xsize;
3118         win->area[0].ysize = ysize;
3119         win->area[0].xact = var->xres;  /* winx active window height,is a wint of vir */
3120         win->area[0].yact = var->yres;
3121         win->area[0].xvir = var->xres_virtual;  /* virtual resolution  stride --->LCDC_WINx_VIR */
3122         win->area[0].yvir = var->yres_virtual;
3123
3124         win->area_num = 1;
3125         win->alpha_mode = 4;    /* AB_SRC_OVER; */
3126         win->alpha_en = ((win->format == ARGB888) ||
3127                          (win->format == ABGR888)) ? 1 : 0;
3128         win->g_alpha_val = 0;
3129
3130         if (rk_fb->disp_mode == DUAL) {
3131                 if (extend_win->state && hdmi_switch_complete) {
3132                         if (info != extend_info) {
3133                                 rk_fb_update_ext_win(extend_dev_drv, dev_drv,
3134                                                      extend_win, win);
3135                                 extend_dev_drv->ops->set_par(extend_dev_drv,
3136                                                              extend_win_id);
3137                         }
3138                 }
3139         }
3140         dev_drv->ops->set_par(dev_drv, win_id);
3141
3142         return 0;
3143 }
3144
3145 static inline unsigned int chan_to_field(unsigned int chan,
3146                                          struct fb_bitfield *bf)
3147 {
3148         chan &= 0xffff;
3149         chan >>= 16 - bf->length;
3150         return chan << bf->offset;
3151 }
3152
3153 static int fb_setcolreg(unsigned regno,
3154                         unsigned red, unsigned green, unsigned blue,
3155                         unsigned transp, struct fb_info *info)
3156 {
3157         unsigned int val;
3158
3159         switch (info->fix.visual) {
3160         case FB_VISUAL_TRUECOLOR:
3161                 /* true-colour, use pseudo-palette */
3162                 if (regno < 16) {
3163                         u32 *pal = info->pseudo_palette;
3164                         val = chan_to_field(red, &info->var.red);
3165                         val |= chan_to_field(green, &info->var.green);
3166                         val |= chan_to_field(blue, &info->var.blue);
3167                         pal[regno] = val;
3168                 }
3169                 break;
3170         default:
3171                 return -1;      /* unknown type */
3172         }
3173
3174         return 0;
3175 }
3176
3177 static int rk_fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
3178 {
3179         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3180         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
3181         struct ion_handle *handle = fb_par->ion_hdl;
3182         struct dma_buf *dma_buf = NULL;
3183
3184         if (IS_ERR_OR_NULL(handle)) {
3185                 dev_err(info->dev, "failed to get ion handle:%ld\n",
3186                         PTR_ERR(handle));
3187                 return -ENOMEM;
3188         }
3189         dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3190         if (IS_ERR_OR_NULL(dma_buf)) {
3191                 printk("get ion share dma buf failed\n");
3192                 return -ENOMEM;
3193         }
3194
3195         vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
3196
3197         return dma_buf_mmap(dma_buf, vma, 0);
3198 }
3199
3200 static struct fb_ops fb_ops = {
3201         .owner = THIS_MODULE,
3202         .fb_open = rk_fb_open,
3203         .fb_release = rk_fb_close,
3204         .fb_check_var = rk_fb_check_var,
3205         .fb_set_par = rk_fb_set_par,
3206         .fb_blank = rk_fb_blank,
3207         .fb_ioctl = rk_fb_ioctl,
3208         .fb_pan_display = rk_fb_pan_display,
3209         .fb_read = rk_fb_read,
3210         .fb_write = rk_fb_write,
3211         .fb_setcolreg = fb_setcolreg,
3212         .fb_fillrect = cfb_fillrect,
3213         .fb_copyarea = cfb_copyarea,
3214         .fb_imageblit = cfb_imageblit,
3215 };
3216
3217 static struct fb_var_screeninfo def_var = {
3218 #if defined(CONFIG_LOGO_LINUX_BMP)
3219         .red = {16, 8, 0},
3220         .green = {8, 8, 0},
3221         .blue = {0, 8, 0},
3222         .transp = {0, 0, 0},
3223         .nonstd = HAL_PIXEL_FORMAT_BGRA_8888,
3224 #else
3225         .red = {11, 5, 0},
3226         .green = {5, 6, 0},
3227         .blue = {0, 5, 0},
3228         .transp = {0, 0, 0},
3229         .nonstd = HAL_PIXEL_FORMAT_RGB_565,     /* (ypos<<20+xpos<<8+format) format */
3230 #endif
3231         .grayscale = 0,         /* (ysize<<20+xsize<<8) */
3232         .activate = FB_ACTIVATE_NOW,
3233         .accel_flags = 0,
3234         .vmode = FB_VMODE_NONINTERLACED,
3235 };
3236
3237 static struct fb_fix_screeninfo def_fix = {
3238         .type = FB_TYPE_PACKED_PIXELS,
3239         .type_aux = 0,
3240         .xpanstep = 1,
3241         .ypanstep = 1,
3242         .ywrapstep = 0,
3243         .accel = FB_ACCEL_NONE,
3244         .visual = FB_VISUAL_TRUECOLOR,
3245
3246 };
3247
3248 static int rk_fb_wait_for_vsync_thread(void *data)
3249 {
3250         struct rk_lcdc_driver *dev_drv = data;
3251         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3252         struct fb_info *fbi = rk_fb->fb[0];
3253
3254         while (!kthread_should_stop()) {
3255                 ktime_t timestamp = dev_drv->vsync_info.timestamp;
3256                 int ret = wait_event_interruptible(dev_drv->vsync_info.wait,
3257                                 !ktime_equal(timestamp, dev_drv->vsync_info.timestamp) &&
3258                                 (dev_drv->vsync_info.active || dev_drv->vsync_info.irq_stop));
3259
3260                 if (!ret)
3261                         sysfs_notify(&fbi->dev->kobj, NULL, "vsync");
3262         }
3263
3264         return 0;
3265 }
3266
3267 static ssize_t rk_fb_vsync_show(struct device *dev,
3268                                 struct device_attribute *attr, char *buf)
3269 {
3270         struct fb_info *fbi = dev_get_drvdata(dev);
3271         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3272         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3273         return scnprintf(buf, PAGE_SIZE, "%llu\n",
3274                          ktime_to_ns(dev_drv->vsync_info.timestamp));
3275 }
3276
3277 static DEVICE_ATTR(vsync, S_IRUGO, rk_fb_vsync_show, NULL);
3278
3279 /*
3280  * this two function is for other module that in the kernel which
3281  * need show image directly through fb
3282  * fb_id:we have 4 fb here,default we use fb0 for ui display
3283  */
3284 struct fb_info *rk_get_fb(int fb_id)
3285 {
3286         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3287         struct fb_info *fb = inf->fb[fb_id];
3288         return fb;
3289 }
3290 EXPORT_SYMBOL(rk_get_fb);
3291
3292 void rk_direct_fb_show(struct fb_info *fbi)
3293 {
3294         rk_fb_set_par(fbi);
3295         rk_fb_pan_display(&fbi->var, fbi);
3296 }
3297 EXPORT_SYMBOL(rk_direct_fb_show);
3298
3299 int rk_fb_dpi_open(bool open)
3300 {
3301         struct rk_lcdc_driver *dev_drv = NULL;
3302         dev_drv = rk_get_prmry_lcdc_drv();
3303
3304         if (dev_drv->ops->dpi_open)
3305                 dev_drv->ops->dpi_open(dev_drv, open);
3306         return 0;
3307 }
3308
3309 int rk_fb_dpi_win_sel(int win_id)
3310 {
3311         struct rk_lcdc_driver *dev_drv = NULL;
3312         dev_drv = rk_get_prmry_lcdc_drv();
3313
3314         if (dev_drv->ops->dpi_win_sel)
3315                 dev_drv->ops->dpi_win_sel(dev_drv, win_id);
3316         return 0;
3317 }
3318
3319 int rk_fb_dpi_status(void)
3320 {
3321         int ret = 0;
3322         struct rk_lcdc_driver *dev_drv = NULL;
3323
3324         dev_drv = rk_get_prmry_lcdc_drv();
3325         if (dev_drv->ops->dpi_status)
3326                 ret = dev_drv->ops->dpi_status(dev_drv);
3327
3328         return ret;
3329 }
3330
3331 /*
3332  * function: this function will be called by display device, enable/disable lcdc
3333  * @screen: screen timing to be set to lcdc
3334  * @enable: 0 disable lcdc; 1 enable change lcdc timing; 2 just enable dclk
3335  * @lcdc_id: the lcdc id the display device attached ,0 or 1
3336  */
3337 int rk_fb_switch_screen(struct rk_screen *screen, int enable, int lcdc_id)
3338 {
3339         struct rk_fb *rk_fb =  platform_get_drvdata(fb_pdev);
3340         struct fb_info *info = NULL;
3341         struct fb_info *pmy_info = NULL;
3342         struct rk_fb_par *fb_par = NULL;
3343         struct rk_fb_par *pmy_fb_par = NULL;
3344         struct rk_lcdc_driver *dev_drv = NULL;
3345         char name[6] = {0};
3346         int i, win_id, load_screen = 0;
3347
3348         if (unlikely(!rk_fb) || unlikely(!screen))
3349                 return -ENODEV;
3350
3351         hdmi_switch_complete = 0;
3352         /* get lcdc driver */
3353         sprintf(name, "lcdc%d", lcdc_id);
3354         if (rk_fb->disp_mode != DUAL)
3355                 dev_drv = rk_fb->lcdc_dev_drv[0];
3356         else
3357                 dev_drv = rk_get_lcdc_drv(name);
3358
3359         if (dev_drv == NULL) {
3360                 printk(KERN_ERR "%s driver not found!", name);
3361                 return -ENODEV;
3362         }
3363         if (screen->type == SCREEN_HDMI)
3364                 printk("hdmi %s lcdc%d\n", enable ? "connect to" : "remove from",
3365                         dev_drv->id);
3366         else if (screen->type == SCREEN_TVOUT)
3367                 printk("cvbs %s lcdc%d\n", enable ? "connect to" : "remove from",
3368                         dev_drv->id);
3369
3370         if (enable == 2 /*&& dev_drv->enable*/)
3371                 return 0;
3372
3373         if (rk_fb->disp_mode == ONE_DUAL) {
3374                 if (dev_drv->ops->dsp_black)
3375                         dev_drv->ops->dsp_black(dev_drv, 1);
3376                 if (dev_drv->ops->set_screen_scaler)
3377                         dev_drv->ops->set_screen_scaler(dev_drv, dev_drv->screen0, 0);
3378         }
3379
3380         if (!enable) {
3381                 /* if screen type is different, we do not disable lcdc. */
3382                 if (dev_drv->cur_screen->type != screen->type)
3383                         return 0;
3384
3385                 /* if used one lcdc to dual disp, no need to close win */
3386                 if (rk_fb->disp_mode == ONE_DUAL) {
3387                         dev_drv->cur_screen = dev_drv->screen0;
3388                         dev_drv->ops->load_screen(dev_drv, 1);
3389
3390                         /* force modify dsp size */
3391                         info = rk_fb->fb[dev_drv->fb_index_base];
3392                         info->var.grayscale &= 0xff;
3393                         info->var.grayscale |=
3394                                 (dev_drv->cur_screen->mode.xres << 8) +
3395                                 (dev_drv->cur_screen->mode.yres << 20);
3396                         info->fbops->fb_set_par(info);
3397                         info->fbops->fb_pan_display(&info->var, info);
3398
3399                         if (dev_drv->ops->dsp_black)
3400                                 dev_drv->ops->dsp_black(dev_drv, 0);
3401                 } else if (rk_fb->num_lcdc > 1) {
3402                         /* If there is more than one lcdc device, we disable
3403                            the layer which attached to this device */
3404                         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3405                                 if (dev_drv->win[i] && dev_drv->win[i]->state)
3406                                         dev_drv->ops->open(dev_drv, i, 0);
3407                         }
3408                 }
3409
3410                 hdmi_switch_complete = 0;
3411                 return 0;
3412         } else {
3413                 if (dev_drv->screen1)
3414                         dev_drv->cur_screen = dev_drv->screen1;
3415                 memcpy(dev_drv->cur_screen, screen, sizeof(struct rk_screen));
3416                 dev_drv->cur_screen->xsize = dev_drv->cur_screen->mode.xres;
3417                 dev_drv->cur_screen->ysize = dev_drv->cur_screen->mode.yres;
3418                 dev_drv->cur_screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3419                 dev_drv->cur_screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3420         }
3421         if (!dev_drv->uboot_logo) {
3422                 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3423                         info = rk_fb->fb[dev_drv->fb_index_base + i];
3424                         fb_par = (struct rk_fb_par *)info->par;
3425                         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3426                         if (dev_drv->win[win_id]) {
3427                                 if (rk_fb->disp_mode == DUAL) {
3428                                         pmy_info = rk_fb->fb[i];
3429                                         if (pmy_info != info) {
3430                                                 pmy_fb_par =
3431                                                         (struct rk_fb_par *)pmy_info->par;
3432                                                 fb_par->state = pmy_fb_par->state;
3433                                         }
3434                                 }
3435                                 if (fb_par->state) {
3436                                         if (!dev_drv->win[win_id]->state)
3437                                                 dev_drv->ops->open(dev_drv, win_id, 1);
3438                                         if (!load_screen) {
3439                                                 dev_drv->ops->load_screen(dev_drv, 1);
3440                                                 load_screen = 1;
3441                                         }
3442                                         info->var.activate |= FB_ACTIVATE_FORCE;
3443                                         if (rk_fb->disp_mode == DUAL) {
3444                                                 rk_fb_update_ext_info(info, pmy_info, 1);
3445                                         } else if (rk_fb->disp_mode == ONE_DUAL) {
3446                                                 info->var.grayscale &= 0xff;
3447                                                 info->var.grayscale |=
3448                                                         (dev_drv->cur_screen->xsize << 8) +
3449                                                         (dev_drv->cur_screen->ysize << 20);
3450                                         }
3451                                         info->fbops->fb_set_par(info);
3452                                         info->fbops->fb_pan_display(&info->var, info);
3453                                 }
3454                         }
3455                 }
3456         }else {
3457                 dev_drv->uboot_logo = 0;
3458         }
3459         hdmi_switch_complete = 1;
3460         if (rk_fb->disp_mode == ONE_DUAL) {
3461                 if (dev_drv->ops->set_screen_scaler)
3462                         dev_drv->ops->set_screen_scaler(dev_drv, dev_drv->screen0, 1);
3463                 if (dev_drv->ops->dsp_black)
3464                         dev_drv->ops->dsp_black(dev_drv, 0);
3465         }
3466         return 0;
3467 }
3468
3469 /*
3470  * function:this function current only called by hdmi for
3471  *      scale the display
3472  * scale_x: scale rate of x resolution
3473  * scale_y: scale rate of y resolution
3474  * lcdc_id: the lcdc id the hdmi attached ,0 or 1
3475  */
3476 int rk_fb_disp_scale(u8 scale_x, u8 scale_y, u8 lcdc_id)
3477 {
3478         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3479         struct fb_info *info = NULL;
3480         struct fb_info *pmy_info = NULL;
3481         struct fb_var_screeninfo *var = NULL;
3482         struct rk_lcdc_driver *dev_drv = NULL;
3483         u16 screen_x, screen_y;
3484         u16 xpos, ypos;
3485         char name[6];
3486         struct rk_screen primary_screen;
3487         rk_fb_get_prmry_screen(&primary_screen);
3488         if (primary_screen.type == SCREEN_HDMI) {
3489                 return 0;
3490         }
3491
3492         sprintf(name, "lcdc%d", lcdc_id);
3493
3494         if (inf->disp_mode == DUAL) {
3495                 dev_drv = rk_get_lcdc_drv(name);
3496                 if (dev_drv == NULL) {
3497                         printk(KERN_ERR "%s driver not found!", name);
3498                         return -ENODEV;
3499                 }
3500         } else {
3501                 dev_drv = inf->lcdc_dev_drv[0];
3502         }
3503
3504         if (inf->num_lcdc == 1) {
3505                 info = inf->fb[0];
3506         } else if (inf->num_lcdc == 2) {
3507                 info = inf->fb[dev_drv->lcdc_win_num];
3508                 pmy_info = inf->fb[0];
3509         }
3510
3511         var = &info->var;
3512         screen_x = dev_drv->cur_screen->mode.xres;
3513         screen_y = dev_drv->cur_screen->mode.yres;
3514
3515         if (inf->disp_mode != DUAL && dev_drv->screen1) {
3516                 dev_drv->cur_screen->xpos =
3517                     (screen_x - screen_x * scale_x / 100) >> 1;
3518                 dev_drv->cur_screen->ypos =
3519                     (screen_y - screen_y * scale_y / 100) >> 1;
3520                 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3521                 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3522         } else {
3523                 xpos = (screen_x - screen_x * scale_x / 100) >> 1;
3524                 ypos = (screen_y - screen_y * scale_y / 100) >> 1;
3525                 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3526                 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3527                 if (inf->disp_mode == DUAL) {
3528                         rk_fb_update_ext_info(info, pmy_info, 0);
3529                 } else {
3530                         var->nonstd &= 0xff;
3531                         var->nonstd |= (xpos << 8) + (ypos << 20);
3532                         var->grayscale &= 0xff;
3533                         var->grayscale |=
3534                                 (dev_drv->cur_screen->xsize << 8) +
3535                                 (dev_drv->cur_screen->ysize << 20);
3536                 }
3537         }
3538
3539         info->fbops->fb_set_par(info);
3540         /* info->fbops->fb_ioctl(info, RK_FBIOSET_CONFIG_DONE, 0); */
3541         dev_drv->ops->cfg_done(dev_drv);
3542         return 0;
3543 }
3544
3545 #if defined(CONFIG_ION_ROCKCHIP)
3546 static int rk_fb_alloc_buffer_by_ion(struct fb_info *fbi,
3547                                      struct rk_lcdc_win *win,
3548                                      unsigned long fb_mem_size)
3549 {
3550         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3551         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3552         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3553         struct ion_handle *handle;
3554         ion_phys_addr_t phy_addr;
3555         size_t len;
3556         int ret = 0;
3557
3558         if (dev_drv->iommu_enabled)
3559                 handle = ion_alloc(rk_fb->ion_client, (size_t) fb_mem_size, 0,
3560                                    ION_HEAP(ION_VMALLOC_HEAP_ID), 0);
3561         else
3562                 handle = ion_alloc(rk_fb->ion_client, (size_t) fb_mem_size, 0,
3563                                    ION_HEAP(ION_CMA_HEAP_ID), 0);
3564         if (IS_ERR(handle)) {
3565                 dev_err(fbi->device, "failed to ion_alloc:%ld\n",
3566                         PTR_ERR(handle));
3567                 return -ENOMEM;
3568         }
3569
3570         fb_par->ion_hdl = handle;
3571         win->area[0].dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3572         if (IS_ERR_OR_NULL(win->area[0].dma_buf)) {
3573                 printk("ion_share_dma_buf() failed\n");
3574                 goto err_share_dma_buf;
3575         }
3576         win->area[0].ion_hdl = handle;
3577         if (dev_drv->prop == PRMRY)
3578                 fbi->screen_base = ion_map_kernel(rk_fb->ion_client, handle);
3579 #ifdef CONFIG_ROCKCHIP_IOMMU
3580         if (dev_drv->iommu_enabled && dev_drv->mmu_dev)
3581                 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, handle,
3582                                         (unsigned long *)&phy_addr,
3583                                         (unsigned long *)&len);
3584         else
3585                 ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3586 #else
3587         ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3588 #endif
3589         if (ret < 0) {
3590                 dev_err(fbi->dev, "ion map to get phy addr failed\n");
3591                 goto err_share_dma_buf;
3592         }
3593         fbi->fix.smem_start = phy_addr;
3594         fbi->fix.smem_len = len;
3595         printk(KERN_INFO "alloc_buffer:ion_phy_addr=0x%lx\n", phy_addr);
3596         return 0;
3597
3598 err_share_dma_buf:
3599         ion_free(rk_fb->ion_client, handle);
3600         return -ENOMEM;
3601 }
3602 #endif
3603
3604 static int rk_fb_alloc_buffer(struct fb_info *fbi, int fb_id)
3605 {
3606         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3607         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3608         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3609         struct rk_lcdc_win *win = NULL;
3610         int win_id;
3611         int ret = 0;
3612         unsigned long fb_mem_size;
3613 #if !defined(CONFIG_ION_ROCKCHIP)
3614         dma_addr_t fb_mem_phys;
3615         void *fb_mem_virt;
3616 #endif
3617
3618         win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
3619         if (win_id < 0)
3620                 return -ENODEV;
3621         else
3622                 win = dev_drv->win[win_id];
3623
3624         if (!strcmp(fbi->fix.id, "fb0")) {
3625                 fb_mem_size = get_fb_size();
3626 #if defined(CONFIG_ION_ROCKCHIP)
3627                 if (rk_fb_alloc_buffer_by_ion(fbi, win, fb_mem_size) < 0)
3628                         return -ENOMEM;
3629 #else
3630                 fb_mem_virt = dma_alloc_writecombine(fbi->dev, fb_mem_size,
3631                                                      &fb_mem_phys, GFP_KERNEL);
3632                 if (!fb_mem_virt) {
3633                         pr_err("%s: Failed to allocate framebuffer\n",
3634                                __func__);
3635                         return -ENOMEM;
3636                 }
3637                 fbi->fix.smem_len = fb_mem_size;
3638                 fbi->fix.smem_start = fb_mem_phys;
3639                 fbi->screen_base = fb_mem_virt;
3640 #endif
3641                 memset(fbi->screen_base, 0, fbi->fix.smem_len);
3642                 printk(KERN_INFO "fb%d:phy:%lx>>vir:%p>>len:0x%x\n", fb_id,
3643                        fbi->fix.smem_start, fbi->screen_base,
3644                        fbi->fix.smem_len);
3645         } else {
3646                 if (dev_drv->rotate_mode > X_Y_MIRROR) {
3647                         fb_mem_size = get_rotate_fb_size();
3648 #if defined(CONFIG_ION_ROCKCHIP)
3649                         if (rk_fb_alloc_buffer_by_ion(fbi, win, fb_mem_size) < 0)
3650                                 return -ENOMEM;
3651 #else
3652                         fb_mem_virt =
3653                                 dma_alloc_writecombine(fbi->dev,
3654                                                        fb_mem_size,
3655                                                        &fb_mem_phys,
3656                                                        GFP_KERNEL);
3657                         if (!fb_mem_virt) {
3658                                 pr_err("%s: Failed to allocate framebuffer\n",
3659                                         __func__);
3660                                 return -ENOMEM;
3661                         }
3662                         fbi->fix.smem_len = fb_mem_size;
3663                         fbi->fix.smem_start = fb_mem_phys;
3664                         fbi->screen_base = fb_mem_virt;
3665 #endif
3666                 } else {
3667                         fbi->fix.smem_start = rk_fb->fb[0]->fix.smem_start;
3668                         fbi->fix.smem_len = rk_fb->fb[0]->fix.smem_len;
3669                         fbi->screen_base = rk_fb->fb[0]->screen_base;
3670                 }
3671
3672                 printk(KERN_INFO "fb%d:phy:%lx>>vir:%p>>len:0x%x\n", fb_id,
3673                        fbi->fix.smem_start, fbi->screen_base,
3674                        fbi->fix.smem_len);
3675         }
3676
3677         fbi->screen_size = fbi->fix.smem_len;
3678         fb_par->fb_phy_base = fbi->fix.smem_start;
3679         fb_par->fb_virt_base = fbi->screen_base;
3680         fb_par->fb_size = fbi->fix.smem_len;
3681         win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
3682         if (win_id >= 0) {
3683                 win = dev_drv->win[win_id];
3684                 win->reserved = fbi->fix.smem_start;
3685         }
3686
3687         return ret;
3688 }
3689
3690 #if 0
3691 static int rk_release_fb_buffer(struct fb_info *fbi)
3692 {
3693         /* buffer for fb1 and fb3 are alloc by android */
3694         if (!strcmp(fbi->fix.id, "fb1") || !strcmp(fbi->fix.id, "fb3"))
3695                 return 0;
3696         iounmap(fbi->screen_base);
3697         release_mem_region(fbi->fix.smem_start, fbi->fix.smem_len);
3698         return 0;
3699 }
3700 #endif
3701
3702 static int init_lcdc_win(struct rk_lcdc_driver *dev_drv,
3703                          struct rk_lcdc_win *def_win)
3704 {
3705         int i;
3706         int lcdc_win_num = dev_drv->lcdc_win_num;
3707
3708         for (i = 0; i < lcdc_win_num; i++) {
3709                 struct rk_lcdc_win *win = NULL;
3710                 win = kzalloc(sizeof(struct rk_lcdc_win), GFP_KERNEL);
3711                 if (!win) {
3712                         dev_err(dev_drv->dev, "kzmalloc for win fail!");
3713                         return -ENOMEM;
3714                 }
3715
3716                 strcpy(win->name, def_win[i].name);
3717                 win->id = def_win[i].id;
3718                 win->support_3d = def_win[i].support_3d;
3719                 dev_drv->win[i] = win;
3720         }
3721
3722         return 0;
3723 }
3724
3725 static int init_lcdc_device_driver(struct rk_fb *rk_fb,
3726                                    struct rk_lcdc_win *def_win, int index)
3727 {
3728         struct rk_lcdc_driver *dev_drv = rk_fb->lcdc_dev_drv[index];
3729         struct rk_screen *screen = devm_kzalloc(dev_drv->dev,
3730                                                 sizeof(struct rk_screen),
3731                                                 GFP_KERNEL);
3732
3733         if (!screen) {
3734                 dev_err(dev_drv->dev, "malloc screen for lcdc%d fail!",
3735                         dev_drv->id);
3736                 return -ENOMEM;
3737         }
3738
3739         screen->screen_id = 0;
3740         screen->lcdc_id = dev_drv->id;
3741         screen->overscan.left = 100;
3742         screen->overscan.top = 100;
3743         screen->overscan.right = 100;
3744         screen->overscan.bottom = 100;
3745
3746         screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3747         screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3748
3749         dev_drv->screen0 = screen;
3750         dev_drv->cur_screen = screen;
3751         /* devie use one lcdc + rk61x scaler for dual display */
3752         if (rk_fb->disp_mode == ONE_DUAL) {
3753                 struct rk_screen *screen1 =
3754                                 devm_kzalloc(dev_drv->dev,
3755                                              sizeof(struct rk_screen),
3756                                              GFP_KERNEL);
3757                 if (!screen1) {
3758                         dev_err(dev_drv->dev, "malloc screen1 for lcdc%d fail!",
3759                                 dev_drv->id);
3760                         return -ENOMEM;
3761                 }
3762                 screen1->screen_id = 1;
3763                 screen1->lcdc_id = 1;
3764                 dev_drv->screen1 = screen1;
3765         }
3766         sprintf(dev_drv->name, "lcdc%d", dev_drv->id);
3767         init_lcdc_win(dev_drv, def_win);
3768         init_completion(&dev_drv->frame_done);
3769         spin_lock_init(&dev_drv->cpl_lock);
3770         mutex_init(&dev_drv->fb_win_id_mutex);
3771         dev_drv->ops->fb_win_remap(dev_drv, dev_drv->fb_win_map);
3772         dev_drv->first_frame = 1;
3773         dev_drv->overscan.left = 100;
3774         dev_drv->overscan.top = 100;
3775         dev_drv->overscan.right = 100;
3776         dev_drv->overscan.bottom = 100;
3777         rk_disp_pwr_ctr_parse_dt(dev_drv);
3778         if (dev_drv->prop == PRMRY) {
3779                 if (dev_drv->ops->set_dsp_cabc)
3780                         dev_drv->ops->set_dsp_cabc(dev_drv, dev_drv->cabc_mode);
3781                 rk_fb_set_prmry_screen(screen);
3782                 rk_fb_get_prmry_screen(screen);
3783         }
3784         dev_drv->trsm_ops = rk_fb_trsm_ops_get(screen->type);
3785         if (dev_drv->prop != PRMRY)
3786                 rk_fb_get_prmry_screen(screen);
3787         dev_drv->output_color = screen->color_mode;
3788
3789         return 0;
3790 }
3791
3792 #ifdef CONFIG_LOGO_LINUX_BMP
3793 static struct linux_logo *bmp_logo;
3794 static int fb_prewine_bmp_logo(struct fb_info *info, int rotate)
3795 {
3796         bmp_logo = fb_find_logo(24);
3797         if (bmp_logo == NULL) {
3798                 printk(KERN_INFO "%s error\n", __func__);
3799                 return 0;
3800         }
3801         return 1;
3802 }
3803
3804 static void fb_show_bmp_logo(struct fb_info *info, int rotate)
3805 {
3806         unsigned char *src = bmp_logo->data;
3807         unsigned char *dst = info->screen_base;
3808         int i;
3809         unsigned int Needwidth = (*(src - 24) << 8) | (*(src - 23));
3810         unsigned int Needheight = (*(src - 22) << 8) | (*(src - 21));
3811
3812         for (i = 0; i < Needheight; i++)
3813                 memcpy(dst + info->var.xres * i * 4,
3814                        src + bmp_logo->width * i * 4, Needwidth * 4);
3815 }
3816 #endif
3817
3818 /*
3819  * check if the primary lcdc has registerd,
3820  * the primary lcdc mas register first
3821  */
3822 bool is_prmry_rk_lcdc_registered(void)
3823 {
3824         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3825
3826         if (rk_fb->lcdc_dev_drv[0])
3827                 return true;
3828         else
3829                 return false;
3830 }
3831
3832 int rk_fb_register(struct rk_lcdc_driver *dev_drv,
3833                    struct rk_lcdc_win *win, int id)
3834 {
3835         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3836         struct fb_info *fbi;
3837         struct rk_fb_par *fb_par = NULL;
3838         int i = 0, ret = 0, index = 0;
3839
3840         if (rk_fb->num_lcdc == RK30_MAX_LCDC_SUPPORT)
3841                 return -ENXIO;
3842
3843         for (i = 0; i < RK30_MAX_LCDC_SUPPORT; i++) {
3844                 if (!rk_fb->lcdc_dev_drv[i]) {
3845                         rk_fb->lcdc_dev_drv[i] = dev_drv;
3846                         rk_fb->lcdc_dev_drv[i]->id = id;
3847                         rk_fb->num_lcdc++;
3848                         break;
3849                 }
3850         }
3851
3852         index = i;
3853         init_lcdc_device_driver(rk_fb, win, index);
3854         dev_drv->fb_index_base = rk_fb->num_fb;
3855         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3856                 fbi = framebuffer_alloc(0, &fb_pdev->dev);
3857                 if (!fbi) {
3858                         dev_err(&fb_pdev->dev, "fb framebuffer_alloc fail!");
3859                         ret = -ENOMEM;
3860                 }
3861                 fb_par = devm_kzalloc(&fb_pdev->dev, sizeof(struct rk_fb_par),
3862                                       GFP_KERNEL);
3863                 if (!fb_par) {
3864                         dev_err(&fb_pdev->dev, "malloc fb_par for fb%d fail!",
3865                                 rk_fb->num_fb);
3866                         return -ENOMEM;
3867                 }
3868                 fb_par->id = rk_fb->num_fb;
3869                 fb_par->lcdc_drv = dev_drv;
3870                 fbi->par = (void *)fb_par;
3871                 fbi->var = def_var;
3872                 fbi->fix = def_fix;
3873                 sprintf(fbi->fix.id, "fb%d", rk_fb->num_fb);
3874                 fb_videomode_to_var(&fbi->var, &dev_drv->cur_screen->mode);
3875                 fbi->var.grayscale |=
3876                     (fbi->var.xres << 8) + (fbi->var.yres << 20);
3877 #if defined(CONFIG_LOGO_LINUX_BMP)
3878                 fbi->var.bits_per_pixel = 32;
3879 #else
3880                 fbi->var.bits_per_pixel = 16;
3881 #endif
3882                 fbi->fix.line_length =
3883                     (fbi->var.xres_virtual) * (fbi->var.bits_per_pixel >> 3);
3884                 fbi->var.width = dev_drv->cur_screen->width;
3885                 fbi->var.height = dev_drv->cur_screen->height;
3886                 fbi->var.pixclock = dev_drv->pixclock;
3887                 if (dev_drv->iommu_enabled)
3888                         fb_ops.fb_mmap = rk_fb_mmap;
3889                 fbi->fbops = &fb_ops;
3890                 fbi->flags = FBINFO_FLAG_DEFAULT;
3891                 fbi->pseudo_palette = dev_drv->win[i]->pseudo_pal;
3892                 ret = register_framebuffer(fbi);
3893                 if (ret < 0) {
3894                         dev_err(&fb_pdev->dev,
3895                                 "%s fb%d register_framebuffer fail!\n",
3896                                 __func__, rk_fb->num_fb);
3897                         return ret;
3898                 }
3899                 rkfb_create_sysfs(fbi);
3900                 rk_fb->fb[rk_fb->num_fb] = fbi;
3901                 dev_info(fbi->dev, "rockchip framebuffer registerd:%s\n",
3902                          fbi->fix.id);
3903                 rk_fb->num_fb++;
3904
3905                 if (i == 0) {
3906                         init_waitqueue_head(&dev_drv->vsync_info.wait);
3907                         init_waitqueue_head(&dev_drv->update_regs_wait);
3908                         ret = device_create_file(fbi->dev, &dev_attr_vsync);
3909                         if (ret)
3910                                 dev_err(fbi->dev,
3911                                         "failed to create vsync file\n");
3912                         dev_drv->vsync_info.thread =
3913                             kthread_run(rk_fb_wait_for_vsync_thread, dev_drv,
3914                                         "fb-vsync");
3915                         if (dev_drv->vsync_info.thread == ERR_PTR(-ENOMEM)) {
3916                                 dev_err(fbi->dev,
3917                                         "failed to run vsync thread\n");
3918                                 dev_drv->vsync_info.thread = NULL;
3919                         }
3920                         dev_drv->vsync_info.active = 1;
3921
3922                         mutex_init(&dev_drv->output_lock);
3923
3924                         INIT_LIST_HEAD(&dev_drv->update_regs_list);
3925                         mutex_init(&dev_drv->update_regs_list_lock);
3926                         init_kthread_worker(&dev_drv->update_regs_worker);
3927
3928                         dev_drv->update_regs_thread =
3929                             kthread_run(kthread_worker_fn,
3930                                         &dev_drv->update_regs_worker, "rk-fb");
3931                         if (IS_ERR(dev_drv->update_regs_thread)) {
3932                                 int err = PTR_ERR(dev_drv->update_regs_thread);
3933                                 dev_drv->update_regs_thread = NULL;
3934
3935                                 printk("failed to run update_regs thread\n");
3936                                 return err;
3937                         }
3938                         init_kthread_work(&dev_drv->update_regs_work,
3939                                           rk_fb_update_regs_handler);
3940
3941                         dev_drv->timeline =
3942                             sw_sync_timeline_create("fb-timeline");
3943                         dev_drv->timeline_max = 1;
3944                 }
3945         }
3946
3947         /* show logo for primary display device */
3948 #if !defined(CONFIG_FRAMEBUFFER_CONSOLE) && defined(CONFIG_LOGO)
3949         if (dev_drv->prop == PRMRY) {
3950                 struct fb_info *main_fbi = rk_fb->fb[0];
3951                 main_fbi->fbops->fb_open(main_fbi, 1);
3952
3953 #if defined(CONFIG_ROCKCHIP_IOMMU)
3954                 if (dev_drv->iommu_enabled) {
3955                         if (dev_drv->mmu_dev)
3956                                 rockchip_iovmm_set_fault_handler(dev_drv->dev,
3957                                                 rk_fb_sysmmu_fault_handler);
3958                 }
3959 #endif
3960
3961                 rk_fb_alloc_buffer(main_fbi, 0);        /* only alloc memory for main fb */
3962                 dev_drv->uboot_logo = support_uboot_display();
3963                 if (support_uboot_display()) {
3964                         /*
3965                         if (dev_drv->iommu_enabled)
3966                                 rk_fb_copy_from_loader(main_fbi);
3967                         */
3968                         return 0;
3969                 }
3970                 main_fbi->fbops->fb_set_par(main_fbi);
3971 #if  defined(CONFIG_LOGO_LINUX_BMP)
3972                 if (fb_prewine_bmp_logo(main_fbi, FB_ROTATE_UR)) {
3973                         fb_set_cmap(&main_fbi->cmap, main_fbi);
3974                         fb_show_bmp_logo(main_fbi, FB_ROTATE_UR);
3975                 }
3976 #else
3977                 if (fb_prepare_logo(main_fbi, FB_ROTATE_UR)) {
3978                         fb_set_cmap(&main_fbi->cmap, main_fbi);
3979                         fb_show_logo(main_fbi, FB_ROTATE_UR);
3980                 }
3981 #endif
3982                 main_fbi->fbops->fb_pan_display(&main_fbi->var, main_fbi);
3983         } else {
3984                 struct fb_info *extend_fbi = rk_fb->fb[rk_fb->num_fb >> 1];
3985                 int extend_fb_id = get_extend_fb_id(extend_fbi);
3986
3987                 rk_fb_alloc_buffer(extend_fbi, extend_fb_id);
3988         }
3989 #endif
3990         return 0;
3991 }
3992
3993 int rk_fb_unregister(struct rk_lcdc_driver *dev_drv)
3994 {
3995         struct rk_fb *fb_inf = platform_get_drvdata(fb_pdev);
3996         struct fb_info *fbi;
3997         int fb_index_base = dev_drv->fb_index_base;
3998         int fb_num = dev_drv->lcdc_win_num;
3999         int i = 0;
4000
4001         if (fb_inf->lcdc_dev_drv[i]->vsync_info.thread) {
4002                 fb_inf->lcdc_dev_drv[i]->vsync_info.irq_stop = 1;
4003                 kthread_stop(fb_inf->lcdc_dev_drv[i]->vsync_info.thread);
4004         }
4005
4006         for (i = 0; i < fb_num; i++)
4007                 kfree(dev_drv->win[i]);
4008
4009         for (i = fb_index_base; i < (fb_index_base + fb_num); i++) {
4010                 fbi = fb_inf->fb[i];
4011                 unregister_framebuffer(fbi);
4012                 /* rk_release_fb_buffer(fbi); */
4013                 framebuffer_release(fbi);
4014         }
4015         fb_inf->lcdc_dev_drv[dev_drv->id] = NULL;
4016         fb_inf->num_lcdc--;
4017
4018         return 0;
4019 }
4020
4021 static int rk_fb_probe(struct platform_device *pdev)
4022 {
4023         struct rk_fb *rk_fb = NULL;
4024         struct device_node *np = pdev->dev.of_node;
4025         u32 mode;
4026
4027         if (!np) {
4028                 dev_err(&pdev->dev, "Missing device tree node.\n");
4029                 return -EINVAL;
4030         }
4031
4032         rk_fb = devm_kzalloc(&pdev->dev, sizeof(struct rk_fb), GFP_KERNEL);
4033         if (!rk_fb) {
4034                 dev_err(&pdev->dev, "kmalloc for rk fb fail!");
4035                 return -ENOMEM;
4036         }
4037         platform_set_drvdata(pdev, rk_fb);
4038
4039         if (!of_property_read_u32(np, "rockchip,disp-mode", &mode)) {
4040                 rk_fb->disp_mode = mode;
4041
4042         } else {
4043                 dev_err(&pdev->dev, "no disp-mode node found!");
4044                 return -ENODEV;
4045         }
4046
4047         if (!of_property_read_u32(np, "rockchip,uboot-logo-on", &uboot_logo_on))
4048                 printk(KERN_DEBUG "uboot-logo-on:%d\n", uboot_logo_on);
4049
4050         dev_set_name(&pdev->dev, "rockchip-fb");
4051 #if defined(CONFIG_ION_ROCKCHIP)
4052         rk_fb->ion_client = rockchip_ion_client_create("rk_fb");
4053         if (IS_ERR(rk_fb->ion_client)) {
4054                 dev_err(&pdev->dev, "failed to create ion client for rk fb");
4055                 return PTR_ERR(rk_fb->ion_client);
4056         } else {
4057                 dev_info(&pdev->dev, "rk fb ion client create success!\n");
4058         }
4059 #endif
4060
4061         fb_pdev = pdev;
4062         dev_info(&pdev->dev, "rockchip framebuffer driver probe\n");
4063         return 0;
4064 }
4065
4066 static int rk_fb_remove(struct platform_device *pdev)
4067 {
4068         struct rk_fb *rk_fb = platform_get_drvdata(pdev);
4069
4070         kfree(rk_fb);
4071         platform_set_drvdata(pdev, NULL);
4072         return 0;
4073 }
4074
4075 static void rk_fb_shutdown(struct platform_device *pdev)
4076 {
4077         struct rk_fb *rk_fb = platform_get_drvdata(pdev);
4078         int i;
4079
4080         for (i = 0; i < rk_fb->num_lcdc; i++) {
4081                 if (!rk_fb->lcdc_dev_drv[i])
4082                         continue;
4083         }
4084 }
4085
4086 static const struct of_device_id rkfb_dt_ids[] = {
4087         {.compatible = "rockchip,rk-fb",},
4088         {}
4089 };
4090
4091 static struct platform_driver rk_fb_driver = {
4092         .probe = rk_fb_probe,
4093         .remove = rk_fb_remove,
4094         .driver = {
4095                    .name = "rk-fb",
4096                    .owner = THIS_MODULE,
4097                    .of_match_table = of_match_ptr(rkfb_dt_ids),
4098                    },
4099         .shutdown = rk_fb_shutdown,
4100 };
4101
4102 static int __init rk_fb_init(void)
4103 {
4104         return platform_driver_register(&rk_fb_driver);
4105 }
4106
4107 static void __exit rk_fb_exit(void)
4108 {
4109         platform_driver_unregister(&rk_fb_driver);
4110 }
4111
4112 fs_initcall(rk_fb_init);
4113 module_exit(rk_fb_exit);