drivers/video/rockchip/rk_fb.c

   1 /*
   2  * drivers/video/rockchip/rk_fb.c
   3  *
   4  * Copyright (C) ROCKCHIP, Inc.
   5  * Author:yxj<yxj@rock-chips.com>
   6  * This software is licensed under the terms of the GNU General Public
   7  * License version 2, as published by the Free Software Foundation, and
   8  * may be copied, distributed, and modified under those terms.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  */
  15
  16 #include <linux/module.h>
  17 #include <linux/kernel.h>
  18 #include <linux/errno.h>
  19 #include <linux/string.h>
  20 #include <linux/mm.h>
  21 #include <linux/slab.h>
  22 #include <linux/delay.h>
  23 #include <linux/device.h>
  24 #include <linux/kthread.h>
  25 #include <linux/fb.h>
  26 #include <linux/init.h>
  27 #include <asm/div64.h>
  28 #include <linux/uaccess.h>
  29 #include <linux/rk_fb.h>
  30 #include <linux/linux_logo.h>
  31 #include <linux/dma-mapping.h>
  32
  33 #if defined(CONFIG_RK_HDMI)
  34 #include "hdmi/rk_hdmi.h"
  35 #endif
  36
  37 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
  38 #include "rga/rga.h"
  39 #endif
  40
  41 #ifdef CONFIG_OF
  42 #include <linux/of.h>
  43 #include <linux/of_platform.h>
  44 #include <linux/of_gpio.h>
  45 #include <video/of_display_timing.h>
  46 #include <video/display_timing.h>
  47 #include <dt-bindings/rkfb/rk_fb.h>
  48 #endif
  49
  50 #if defined(CONFIG_ION_ROCKCHIP)
  51 #include <linux/rockchip_ion.h>
  52 #include <linux/rockchip-iovmm.h>
  53 #include <linux/dma-buf.h>
  54 #include <linux/highmem.h>
  55 #endif
  56
  57 #define H_USE_FENCE 1
  58 static int hdmi_switch_complete;
  59 static struct platform_device *fb_pdev;
  60 struct list_head saved_list;
  61
  62 #if defined(CONFIG_FB_MIRRORING)
  63 int (*video_data_to_mirroring) (struct fb_info *info, u32 yuv_phy[2]);
  64 EXPORT_SYMBOL(video_data_to_mirroring);
  65 #endif
  66
  67 struct rk_fb_reg_win_data g_reg_win_data[4];
  68 static int g_last_win_num;
  69 static int g_first_buf = 1;
  70 static struct rk_fb_trsm_ops *trsm_lvds_ops;
  71 static struct rk_fb_trsm_ops *trsm_edp_ops;
  72 static struct rk_fb_trsm_ops *trsm_mipi_ops;
  73 static int uboot_logo_on;
  74 int support_uboot_display(void)
  75 {
  76         return uboot_logo_on;
  77 }
  78
  79 int rk_fb_trsm_ops_register(struct rk_fb_trsm_ops *ops, int type)
  80 {
  81         switch (type) {
  82         case SCREEN_RGB:
  83         case SCREEN_LVDS:
  84         case SCREEN_DUAL_LVDS:
  85                 trsm_lvds_ops = ops;
  86                 break;
  87         case SCREEN_EDP:
  88                 trsm_edp_ops = ops;
  89                 break;
  90         case SCREEN_MIPI:
  91         case SCREEN_DUAL_MIPI:
  92                 trsm_mipi_ops = ops;
  93                 break;
  94         default:
  95                 printk(KERN_WARNING "%s:un supported transmitter:%d!\n",
  96                        __func__, type);
  97                 break;
  98         }
  99         return 0;
 100 }
 101
 102 struct rk_fb_trsm_ops *rk_fb_trsm_ops_get(int type)
 103 {
 104         struct rk_fb_trsm_ops *ops;
 105         switch (type) {
 106         case SCREEN_RGB:
 107         case SCREEN_LVDS:
 108         case SCREEN_DUAL_LVDS:
 109                 ops = trsm_lvds_ops;
 110                 break;
 111         case SCREEN_EDP:
 112                 ops = trsm_edp_ops;
 113                 break;
 114         case SCREEN_MIPI:
 115         case SCREEN_DUAL_MIPI:
 116                 ops = trsm_mipi_ops;
 117                 break;
 118         default:
 119                 ops = NULL;
 120                 printk(KERN_WARNING "%s:un supported transmitter:%d!\n",
 121                        __func__, type);
 122                 break;
 123         }
 124         return ops;
 125 }
 126
 127 int rk_fb_pixel_width(int data_format)
 128 {
 129         int pixel_width;
 130         switch (data_format) {
 131         case XBGR888:
 132         case ABGR888:
 133         case ARGB888:
 134                 pixel_width = 4 * 8;
 135                 break;
 136         case RGB888:
 137                 pixel_width = 3 * 8;
 138                 break;
 139         case RGB565:
 140                 pixel_width = 2 * 8;
 141                 break;
 142         case YUV422:
 143         case YUV420:
 144         case YUV444:
 145                 pixel_width = 1 * 8;
 146                 break;
 147         case YUV422_A:
 148         case YUV420_A:
 149         case YUV444_A:
 150                 pixel_width = 8;
 151                 break;
 152         default:
 153                 printk(KERN_WARNING "%s:un supported format:0x%x\n",
 154                        __func__, data_format);
 155                 return -EINVAL;
 156         }
 157         return pixel_width;
 158 }
 159
 160 static int rk_fb_data_fmt(int data_format, int bits_per_pixel)
 161 {
 162         int fb_data_fmt;
 163         if (data_format) {
 164                 switch (data_format) {
 165                 case HAL_PIXEL_FORMAT_RGBX_8888:
 166                         fb_data_fmt = XBGR888;
 167                         break;
 168                 case HAL_PIXEL_FORMAT_RGBA_8888:
 169                         fb_data_fmt = ABGR888;
 170                         break;
 171                 case HAL_PIXEL_FORMAT_BGRA_8888:
 172                         fb_data_fmt = ARGB888;
 173                         break;
 174                 case HAL_PIXEL_FORMAT_RGB_888:
 175                         fb_data_fmt = RGB888;
 176                         break;
 177                 case HAL_PIXEL_FORMAT_RGB_565:
 178                         fb_data_fmt = RGB565;
 179                         break;
 180                 case HAL_PIXEL_FORMAT_YCbCr_422_SP:     /* yuv422 */
 181                         fb_data_fmt = YUV422;
 182                         break;
 183                 case HAL_PIXEL_FORMAT_YCrCb_NV12:       /* YUV420---uvuvuv */
 184                         fb_data_fmt = YUV420;
 185                         break;
 186                 case HAL_PIXEL_FORMAT_YCrCb_444:        /* yuv444 */
 187                         fb_data_fmt = YUV444;
 188                         break;
 189                 case HAL_PIXEL_FORMAT_YCrCb_NV12_10:    /* yuv444 */
 190                         fb_data_fmt = YUV420_A;
 191                         break;
 192                 case HAL_PIXEL_FORMAT_YCbCr_422_SP_10:  /* yuv444 */
 193                         fb_data_fmt = YUV422_A;
 194                         break;
 195                 case HAL_PIXEL_FORMAT_YCrCb_420_SP_10:  /* yuv444 */
 196                         fb_data_fmt = YUV444_A;
 197                         break;
 198                 default:
 199                         printk(KERN_WARNING "%s:un supported format:0x%x\n",
 200                                __func__, data_format);
 201                         return -EINVAL;
 202                 }
 203         } else {
 204                 switch (bits_per_pixel) {
 205                 case 32:
 206                         fb_data_fmt = ARGB888;
 207                         break;
 208                 case 16:
 209                         fb_data_fmt = RGB565;
 210                         break;
 211                 default:
 212                         printk(KERN_WARNING
 213                                "%s:un supported bits_per_pixel:%d\n", __func__,
 214                                bits_per_pixel);
 215                         break;
 216                 }
 217         }
 218         return fb_data_fmt;
 219 }
 220
 221 /*
 222  * rk display power control parse from dts
 223  */
 224 int rk_disp_pwr_ctr_parse_dt(struct rk_lcdc_driver *dev_drv)
 225 {
 226         struct device_node *root = of_get_child_by_name(dev_drv->dev->of_node,
 227                                                         "power_ctr");
 228         struct device_node *child;
 229         struct rk_disp_pwr_ctr_list *pwr_ctr;
 230         struct list_head *pos;
 231         enum of_gpio_flags flags;
 232         u32 val = 0;
 233         u32 debug = 0;
 234         int ret;
 235
 236         INIT_LIST_HEAD(&dev_drv->pwrlist_head);
 237         if (!root) {
 238                 dev_err(dev_drv->dev, "can't find power_ctr node for lcdc%d\n",
 239                         dev_drv->id);
 240                 return -ENODEV;
 241         }
 242
 243         for_each_child_of_node(root, child) {
 244                 pwr_ctr = kmalloc(sizeof(struct rk_disp_pwr_ctr_list),
 245                                   GFP_KERNEL);
 246                 strcpy(pwr_ctr->pwr_ctr.name, child->name);
 247                 if (!of_property_read_u32(child, "rockchip,power_type", &val)) {
 248                         if (val == GPIO) {
 249                                 pwr_ctr->pwr_ctr.type = GPIO;
 250                                 pwr_ctr->pwr_ctr.gpio = of_get_gpio_flags(child, 0, &flags);
 251                                 if (!gpio_is_valid(pwr_ctr->pwr_ctr.gpio)) {
 252                                         dev_err(dev_drv->dev, "%s ivalid gpio\n",
 253                                                 child->name);
 254                                         return -EINVAL;
 255                                 }
 256                                 pwr_ctr->pwr_ctr.atv_val = !(flags & OF_GPIO_ACTIVE_LOW);
 257                                 ret = gpio_request(pwr_ctr->pwr_ctr.gpio,
 258                                                    child->name);
 259                                 if (ret) {
 260                                         dev_err(dev_drv->dev,
 261                                                 "request %s gpio fail:%d\n",
 262                                                 child->name, ret);
 263                                 }
 264
 265                         } else {
 266                                 pwr_ctr->pwr_ctr.type = REGULATOR;
 267
 268                         }
 269                 };
 270                 of_property_read_u32(child, "rockchip,delay", &val);
 271                 pwr_ctr->pwr_ctr.delay = val;
 272                 list_add_tail(&pwr_ctr->list, &dev_drv->pwrlist_head);
 273         }
 274
 275         of_property_read_u32(root, "rockchip,debug", &debug);
 276
 277         if (debug) {
 278                 list_for_each(pos, &dev_drv->pwrlist_head) {
 279                         pwr_ctr = list_entry(pos, struct rk_disp_pwr_ctr_list,
 280                                              list);
 281                         printk(KERN_INFO "pwr_ctr_name:%s\n"
 282                                "pwr_type:%s\n"
 283                                "gpio:%d\n"
 284                                "atv_val:%d\n"
 285                                "delay:%d\n\n",
 286                                pwr_ctr->pwr_ctr.name,
 287                                (pwr_ctr->pwr_ctr.type == GPIO) ? "gpio" : "regulator",
 288                                pwr_ctr->pwr_ctr.gpio,
 289                                pwr_ctr->pwr_ctr.atv_val,
 290                                pwr_ctr->pwr_ctr.delay);
 291                 }
 292         }
 293
 294         return 0;
 295
 296 }
 297
 298 int rk_disp_pwr_enable(struct rk_lcdc_driver *dev_drv)
 299 {
 300         struct list_head *pos;
 301         struct rk_disp_pwr_ctr_list *pwr_ctr_list;
 302         struct pwr_ctr *pwr_ctr;
 303         if (list_empty(&dev_drv->pwrlist_head))
 304                 return 0;
 305         list_for_each(pos, &dev_drv->pwrlist_head) {
 306                 pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list,
 307                                           list);
 308                 pwr_ctr = &pwr_ctr_list->pwr_ctr;
 309                 if (pwr_ctr->type == GPIO) {
 310                         gpio_direction_output(pwr_ctr->gpio, pwr_ctr->atv_val);
 311                         mdelay(pwr_ctr->delay);
 312                 }
 313         }
 314
 315         return 0;
 316 }
 317
 318 int rk_disp_pwr_disable(struct rk_lcdc_driver *dev_drv)
 319 {
 320         struct list_head *pos;
 321         struct rk_disp_pwr_ctr_list *pwr_ctr_list;
 322         struct pwr_ctr *pwr_ctr;
 323         if (list_empty(&dev_drv->pwrlist_head))
 324                 return 0;
 325         list_for_each(pos, &dev_drv->pwrlist_head) {
 326                 pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list,
 327                                           list);
 328                 pwr_ctr = &pwr_ctr_list->pwr_ctr;
 329                 if (pwr_ctr->type == GPIO)
 330                         gpio_set_value(pwr_ctr->gpio, !pwr_ctr->atv_val);
 331         }
 332         return 0;
 333 }
 334
 335 int rk_fb_video_mode_from_timing(const struct display_timing *dt,
 336                                  struct rk_screen *screen)
 337 {
 338         screen->mode.pixclock = dt->pixelclock.typ;
 339         screen->mode.left_margin = dt->hback_porch.typ;
 340         screen->mode.right_margin = dt->hfront_porch.typ;
 341         screen->mode.xres = dt->hactive.typ;
 342         screen->mode.hsync_len = dt->hsync_len.typ;
 343         screen->mode.upper_margin = dt->vback_porch.typ;
 344         screen->mode.lower_margin = dt->vfront_porch.typ;
 345         screen->mode.yres = dt->vactive.typ;
 346         screen->mode.vsync_len = dt->vsync_len.typ;
 347         screen->type = dt->screen_type;
 348         screen->lvds_format = dt->lvds_format;
 349         screen->face = dt->face;
 350         screen->color_mode = dt->color_mode;
 351         screen->dsp_lut = dt->dsp_lut;
 352
 353         if (dt->flags & DISPLAY_FLAGS_PIXDATA_POSEDGE)
 354                 screen->pin_dclk = 1;
 355         else
 356                 screen->pin_dclk = 0;
 357         if (dt->flags & DISPLAY_FLAGS_HSYNC_HIGH)
 358                 screen->pin_hsync = 1;
 359         else
 360                 screen->pin_hsync = 0;
 361         if (dt->flags & DISPLAY_FLAGS_VSYNC_HIGH)
 362                 screen->pin_vsync = 1;
 363         else
 364                 screen->pin_vsync = 0;
 365         if (dt->flags & DISPLAY_FLAGS_DE_HIGH)
 366                 screen->pin_den = 1;
 367         else
 368                 screen->pin_den = 0;
 369
 370         return 0;
 371
 372 }
 373
 374 int rk_fb_prase_timing_dt(struct device_node *np, struct rk_screen *screen)
 375 {
 376         struct display_timings *disp_timing;
 377         struct display_timing *dt;
 378         disp_timing = of_get_display_timings(np);
 379         if (!disp_timing) {
 380                 pr_err("parse display timing err\n");
 381                 return -EINVAL;
 382         }
 383         dt = display_timings_get(disp_timing, disp_timing->native_mode);
 384         rk_fb_video_mode_from_timing(dt, screen);
 385         return 0;
 386
 387 }
 388
 389 int rk_fb_calc_fps(struct rk_screen *screen, u32 pixclock)
 390 {
 391         int x, y;
 392         unsigned long long hz;
 393         if (!screen) {
 394                 printk(KERN_ERR "%s:null screen!\n", __func__);
 395                 return 0;
 396         }
 397         x = screen->mode.xres + screen->mode.left_margin +
 398             screen->mode.right_margin + screen->mode.hsync_len;
 399         y = screen->mode.yres + screen->mode.upper_margin +
 400             screen->mode.lower_margin + screen->mode.vsync_len;
 401
 402         hz = 1000000000000ULL;  /* 1e12 picoseconds per second */
 403
 404         hz += (x * y) / 2;
 405         do_div(hz, x * y);      /* divide by x * y with rounding */
 406
 407         hz += pixclock / 2;
 408         do_div(hz, pixclock);   /* divide by pixclock with rounding */
 409
 410         return hz;
 411 }
 412
 413 char *get_format_string(enum data_format format, char *fmt)
 414 {
 415         if (!fmt)
 416                 return NULL;
 417         switch (format) {
 418         case ARGB888:
 419                 strcpy(fmt, "ARGB888");
 420                 break;
 421         case RGB888:
 422                 strcpy(fmt, "RGB888");
 423                 break;
 424         case RGB565:
 425                 strcpy(fmt, "RGB565");
 426                 break;
 427         case YUV420:
 428                 strcpy(fmt, "YUV420");
 429                 break;
 430         case YUV422:
 431                 strcpy(fmt, "YUV422");
 432                 break;
 433         case YUV444:
 434                 strcpy(fmt, "YUV444");
 435                 break;
 436         case YUV420_A:
 437                 strcpy(fmt, "YUV420_A");
 438                 break;
 439         case YUV422_A:
 440                 strcpy(fmt, "YUV422_A");
 441                 break;
 442         case YUV444_A:
 443                 strcpy(fmt, "YUV444_A");
 444                 break;
 445         case XRGB888:
 446                 strcpy(fmt, "XRGB888");
 447                 break;
 448         case XBGR888:
 449                 strcpy(fmt, "XBGR888");
 450                 break;
 451         case ABGR888:
 452                 strcpy(fmt, "XBGR888");
 453                 break;
 454         default:
 455                 strcpy(fmt, "invalid");
 456                 break;
 457         }
 458
 459         return fmt;
 460
 461 }
 462
 463 /*
 464  * this is for hdmi
 465  * name: lcdc device name ,lcdc0 , lcdc1
 466  */
 467 struct rk_lcdc_driver *rk_get_lcdc_drv(char *name)
 468 {
 469         struct rk_fb *inf = NULL;
 470         struct rk_lcdc_driver *dev_drv = NULL;
 471         int i = 0;
 472
 473         if (likely(fb_pdev))
 474                 inf = platform_get_drvdata(fb_pdev);
 475         else
 476                 return NULL;
 477
 478         for (i = 0; i < inf->num_lcdc; i++) {
 479                 if (!strcmp(inf->lcdc_dev_drv[i]->name, name)) {
 480                         dev_drv = inf->lcdc_dev_drv[i];
 481                         break;
 482                 }
 483         }
 484
 485         return dev_drv;
 486 }
 487
 488 static struct rk_lcdc_driver *rk_get_prmry_lcdc_drv(void)
 489 {
 490         struct rk_fb *inf = NULL;
 491         struct rk_lcdc_driver *dev_drv = NULL;
 492         int i = 0;
 493
 494         if (likely(fb_pdev))
 495                 inf = platform_get_drvdata(fb_pdev);
 496         else
 497                 return NULL;
 498
 499         for (i = 0; i < inf->num_lcdc; i++) {
 500                 if (inf->lcdc_dev_drv[i]->prop == PRMRY) {
 501                         dev_drv = inf->lcdc_dev_drv[i];
 502                         break;
 503                 }
 504         }
 505
 506         return dev_drv;
 507 }
 508
 509 /*
 510  * get one frame time of the prmry screen, unit: us
 511  */
 512 u32 rk_fb_get_prmry_screen_ft(void)
 513 {
 514         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 515         uint32_t htotal, vtotal, pixclock_ps;
 516         u64 pix_total, ft_us;
 517
 518         if (unlikely(!dev_drv))
 519                 return 0;
 520
 521         pixclock_ps = dev_drv->pixclock;
 522
 523         vtotal = (dev_drv->cur_screen->mode.upper_margin +
 524                  dev_drv->cur_screen->mode.lower_margin +
 525                  dev_drv->cur_screen->mode.yres +
 526                  dev_drv->cur_screen->mode.vsync_len);
 527         htotal = (dev_drv->cur_screen->mode.left_margin +
 528                  dev_drv->cur_screen->mode.right_margin +
 529                  dev_drv->cur_screen->mode.xres +
 530                  dev_drv->cur_screen->mode.hsync_len);
 531         pix_total = htotal * vtotal;
 532         ft_us = pix_total * pixclock_ps;
 533         do_div(ft_us, 1000000);
 534         if (dev_drv->frame_time.ft == 0)
 535                 dev_drv->frame_time.ft = ft_us;
 536
 537         ft_us = dev_drv->frame_time.framedone_t - dev_drv->frame_time.last_framedone_t;
 538         do_div(ft_us, 1000);
 539         ft_us = min(dev_drv->frame_time.ft, (u32)ft_us);
 540         if (ft_us != 0)
 541                 dev_drv->frame_time.ft = ft_us;
 542
 543         return dev_drv->frame_time.ft;
 544 }
 545
 546 /*
 547  * get the vblanking time of the prmry screen, unit: us
 548  */
 549 u32 rk_fb_get_prmry_screen_vbt(void)
 550 {
 551         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 552         uint32_t htotal, vblank, pixclock_ps;
 553         u64 pix_blank, vbt_us;
 554
 555         if (unlikely(!dev_drv))
 556                 return 0;
 557
 558         pixclock_ps = dev_drv->pixclock;
 559
 560         htotal = (dev_drv->cur_screen->mode.left_margin +
 561                  dev_drv->cur_screen->mode.right_margin +
 562                  dev_drv->cur_screen->mode.xres +
 563                  dev_drv->cur_screen->mode.hsync_len);
 564         vblank = (dev_drv->cur_screen->mode.upper_margin +
 565                  dev_drv->cur_screen->mode.lower_margin +
 566                  dev_drv->cur_screen->mode.vsync_len);
 567         pix_blank = htotal * vblank;
 568         vbt_us = pix_blank * pixclock_ps;
 569         do_div(vbt_us, 1000000);
 570         return (u32)vbt_us;
 571 }
 572
 573 /*
 574  * get the frame done time of the prmry screen, unit: us
 575  */
 576 u64 rk_fb_get_prmry_screen_framedone_t(void)
 577 {
 578         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 579
 580         if (unlikely(!dev_drv))
 581                 return 0;
 582         else
 583                 return dev_drv->frame_time.framedone_t;
 584 }
 585
 586 /*
 587  * set prmry screen status
 588  */
 589 int rk_fb_set_prmry_screen_status(int status)
 590 {
 591         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 592         struct rk_screen *screen;
 593
 594         if (unlikely(!dev_drv))
 595                 return 0;
 596
 597         screen = dev_drv->cur_screen;
 598         switch (status) {
 599         case SCREEN_PREPARE_DDR_CHANGE:
 600                 if (screen->type == SCREEN_MIPI
 601                         || screen->type == SCREEN_DUAL_MIPI) {
 602                         if (dev_drv->trsm_ops->dsp_pwr_off)
 603                                 dev_drv->trsm_ops->dsp_pwr_off();
 604                 }
 605                 break;
 606         case SCREEN_UNPREPARE_DDR_CHANGE:
 607                 if (screen->type == SCREEN_MIPI
 608                         || screen->type == SCREEN_DUAL_MIPI) {
 609                         if (dev_drv->trsm_ops->dsp_pwr_on)
 610                                 dev_drv->trsm_ops->dsp_pwr_on();
 611                 }
 612                 break;
 613         default:
 614                 break;
 615         }
 616
 617         return 0;
 618 }
 619
 620 static struct rk_lcdc_driver *rk_get_extend_lcdc_drv(void)
 621 {
 622         struct rk_fb *inf = NULL;
 623         struct rk_lcdc_driver *dev_drv = NULL;
 624         int i = 0;
 625
 626         if (likely(fb_pdev))
 627                 inf = platform_get_drvdata(fb_pdev);
 628         else
 629                 return NULL;
 630
 631         for (i = 0; i < inf->num_lcdc; i++) {
 632                 if (inf->lcdc_dev_drv[i]->prop == EXTEND) {
 633                         dev_drv = inf->lcdc_dev_drv[i];
 634                         break;
 635                 }
 636         }
 637
 638         return dev_drv;
 639 }
 640
 641 u32 rk_fb_get_prmry_screen_pixclock(void)
 642 {
 643         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 644
 645         if (unlikely(!dev_drv))
 646                 return 0;
 647         else
 648                 return dev_drv->pixclock;
 649 }
 650
 651 int rk_fb_poll_prmry_screen_vblank(void)
 652 {
 653         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 654
 655         if (likely(dev_drv)) {
 656                 if (dev_drv->ops->poll_vblank)
 657                         return dev_drv->ops->poll_vblank(dev_drv);
 658                 else
 659                         return RK_LF_STATUS_NC;
 660         } else {
 661                 return RK_LF_STATUS_NC;
 662         }
 663 }
 664
 665 bool rk_fb_poll_wait_frame_complete(void)
 666 {
 667         uint32_t timeout = RK_LF_MAX_TIMEOUT;
 668         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 669
 670         if (likely(dev_drv)) {
 671                 if (dev_drv->ops->set_irq_to_cpu)
 672                         dev_drv->ops->set_irq_to_cpu(dev_drv, 0);
 673         }
 674
 675         if (rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_NC) {
 676                 if (likely(dev_drv)) {
 677                         if (dev_drv->ops->set_irq_to_cpu)
 678                                 dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
 679                 }
 680                 return false;
 681         }
 682         while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FR) && --timeout)
 683                 ;
 684         while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FC) && --timeout)
 685                 ;
 686         if (likely(dev_drv)) {
 687                 if (dev_drv->ops->set_irq_to_cpu)
 688                         dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
 689         }
 690
 691         return true;
 692 }
 693
 694
 695 /* rk_fb_get_sysmmu_device_by_compatible()
 696  * @compt: dts device compatible name
 697  * return value: success: pointer to the device inside of platform device
 698  *               fail: NULL
 699  */
 700 struct device *rk_fb_get_sysmmu_device_by_compatible(const char *compt)
 701 {
 702         struct device_node *dn = NULL;
 703         struct platform_device *pd = NULL;
 704         struct device *ret = NULL ;
 705
 706         dn = of_find_compatible_node(NULL, NULL, compt);
 707         if (!dn) {
 708                 printk("can't find device node %s \r\n", compt);
 709                 return NULL;
 710         }
 711
 712         pd = of_find_device_by_node(dn);
 713         if (!pd) {
 714                 printk("can't find platform device in device node %s \r\n", compt);
 715                 return  NULL;
 716         }
 717         ret = &pd->dev;
 718
 719         return ret;
 720 }
 721
 722 #ifdef CONFIG_IOMMU_API
 723 void rk_fb_platform_set_sysmmu(struct device *sysmmu, struct device *dev)
 724 {
 725         dev->archdata.iommu = sysmmu;
 726 }
 727 #else
 728 void rk_fb_platform_set_sysmmu(struct device *sysmmu, struct device *dev)
 729 {
 730
 731 }
 732 #endif
 733
 734 static int rk_fb_open(struct fb_info *info, int user)
 735 {
 736         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
 737         int win_id;
 738
 739         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
 740         dev_drv->win[win_id]->logicalstate++;
 741         /* if this win aready opened ,no need to reopen */
 742         if (dev_drv->win[win_id]->state)
 743                 return 0;
 744         else
 745                 dev_drv->ops->open(dev_drv, win_id, 1);
 746         return 0;
 747 }
 748
 749 static int get_extend_fb_id(struct fb_info *info)
 750 {
 751         int fb_id = 0;
 752         char *id = info->fix.id;
 753         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
 754
 755         if (!strcmp(id, "fb0"))
 756                 fb_id = 0;
 757         else if (!strcmp(id, "fb1"))
 758                 fb_id = 1;
 759         else if (!strcmp(id, "fb2") && (dev_drv->lcdc_win_num > 2))
 760                 fb_id = 2;
 761         else if (!strcmp(id, "fb3") && (dev_drv->lcdc_win_num > 3))
 762                 fb_id = 3;
 763         return fb_id;
 764 }
 765
 766 static int rk_fb_close(struct fb_info *info, int user)
 767 {
 768         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
 769         struct rk_lcdc_win *win = NULL;
 770         int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
 771
 772         if (win_id >= 0) {
 773                 dev_drv->win[win_id]->logicalstate--;
 774                 if (!dev_drv->win[win_id]->logicalstate) {
 775                         win = dev_drv->win[win_id];
 776                         info->fix.smem_start = win->reserved;
 777                         info->var.xres = dev_drv->screen0->mode.xres;
 778                         info->var.yres = dev_drv->screen0->mode.yres;
 779                         /*
 780                         info->var.grayscale |=
 781                             (info->var.xres << 8) + (info->var.yres << 20);
 782                         */
 783                         info->var.xres_virtual = info->var.xres;
 784                         info->var.yres_virtual = info->var.yres;
 785 #if defined(CONFIG_LOGO_LINUX_BMP)
 786                         info->var.bits_per_pixel = 32;
 787 #else
 788                         info->var.bits_per_pixel = 16;
 789 #endif
 790                         info->fix.line_length =
 791                             (info->var.xres_virtual) * (info->var.bits_per_pixel >> 3);
 792                         info->var.width = dev_drv->screen0->width;
 793                         info->var.height = dev_drv->screen0->height;
 794                         info->var.pixclock = dev_drv->pixclock;
 795                         info->var.left_margin = dev_drv->screen0->mode.left_margin;
 796                         info->var.right_margin = dev_drv->screen0->mode.right_margin;
 797                         info->var.upper_margin = dev_drv->screen0->mode.upper_margin;
 798                         info->var.lower_margin = dev_drv->screen0->mode.lower_margin;
 799                         info->var.vsync_len = dev_drv->screen0->mode.vsync_len;
 800                         info->var.hsync_len = dev_drv->screen0->mode.hsync_len;
 801                 }
 802         }
 803
 804         return 0;
 805 }
 806
 807
 808 #if defined(CONFIG_RK29_IPP)
 809 static int get_ipp_format(int fmt)
 810 {
 811         int ipp_fmt = IPP_XRGB_8888;
 812         switch (fmt) {
 813         case HAL_PIXEL_FORMAT_RGBX_8888:
 814         case HAL_PIXEL_FORMAT_RGBA_8888:
 815         case HAL_PIXEL_FORMAT_BGRA_8888:
 816         case HAL_PIXEL_FORMAT_RGB_888:
 817                 ipp_fmt = IPP_XRGB_8888;
 818                 break;
 819         case HAL_PIXEL_FORMAT_RGB_565:
 820                 ipp_fmt = IPP_RGB_565;
 821                 break;
 822         case HAL_PIXEL_FORMAT_YCbCr_422_SP:
 823                 ipp_fmt = IPP_Y_CBCR_H2V1;
 824                 break;
 825         case HAL_PIXEL_FORMAT_YCrCb_NV12:
 826                 ipp_fmt = IPP_Y_CBCR_H2V2;
 827                 break;
 828         case HAL_PIXEL_FORMAT_YCrCb_444:
 829                 ipp_fmt = IPP_Y_CBCR_H1V1;
 830                 break;
 831         default:
 832                 ipp_fmt = IPP_IMGTYPE_LIMIT;
 833                 break;
 834         }
 835
 836         return ipp_fmt;
 837 }
 838
 839 static void ipp_win_check(int *dst_w, int *dst_h, int *dst_vir_w,
 840                           int rotation, int fmt)
 841 {
 842         int align16 = 2;
 843         int align64 = 8;
 844
 845         if (fmt == IPP_XRGB_8888) {
 846                 align16 = 1;
 847                 align64 = 2;
 848         } else if (fmt == IPP_RGB_565) {
 849                 align16 = 1;
 850                 align64 = 4;
 851         } else {
 852                 align16 = 2;
 853                 align64 = 8;
 854         }
 855         align16 -= 1;           /*for YUV, 1 */
 856         align64 -= 1;           /*for YUV, 7 */
 857
 858         if (rotation == IPP_ROT_0) {
 859                 if (fmt > IPP_RGB_565) {
 860                         if ((*dst_w & 1) != 0)
 861                                 *dst_w = *dst_w + 1;
 862                         if ((*dst_h & 1) != 0)
 863                                 *dst_h = *dst_h + 1;
 864                         if (*dst_vir_w < *dst_w)
 865                                 *dst_vir_w = *dst_w;
 866                 }
 867         } else {
 868                 if ((*dst_w & align64) != 0)
 869                         *dst_w = (*dst_w + align64) & (~align64);
 870                 if ((fmt > IPP_RGB_565) && ((*dst_h & 1) == 1))
 871                         *dst_h = *dst_h + 1;
 872                 if (*dst_vir_w < *dst_w)
 873                         *dst_vir_w = *dst_w;
 874         }
 875 }
 876
 877 static void fb_copy_by_ipp(struct fb_info *dst_info,
 878                                 struct fb_info *src_info)
 879 {
 880         struct rk29_ipp_req ipp_req;
 881         uint32_t rotation = 0;
 882         int dst_w, dst_h, dst_vir_w;
 883         int ipp_fmt;
 884         u8 data_format = (dst_info->var.nonstd) & 0xff;
 885         struct rk_lcdc_driver *ext_dev_drv =
 886                         (struct rk_lcdc_driver *)dst_info->par;
 887         u16 orientation = ext_dev_drv->rotate_mode;
 888
 889         memset(&ipp_req, 0, sizeof(struct rk29_ipp_req));
 890
 891         switch (orientation) {
 892         case 0:
 893                 rotation = IPP_ROT_0;
 894                 break;
 895         case ROTATE_90:
 896                 rotation = IPP_ROT_90;
 897                 break;
 898         case ROTATE_180:
 899                 rotation = IPP_ROT_180;
 900                 break;
 901         case ROTATE_270:
 902                 rotation = IPP_ROT_270;
 903                 break;
 904         default:
 905                 rotation = IPP_ROT_270;
 906                 break;
 907         }
 908
 909         dst_w = dst_info->var.xres;
 910         dst_h = dst_info->var.yres;
 911         dst_vir_w = dst_info->var.xres_virtual;
 912         ipp_fmt = get_ipp_format(data_format);
 913         ipp_win_check(&dst_w, &dst_h, &dst_vir_w, rotation, ipp_fmt);
 914         ipp_req.src0.YrgbMst = src_info->fix.smem_start + offset;
 915         ipp_req.src0.w = src_info->var.xres;
 916         ipp_req.src0.h = src_info->var.yres;
 917         ipp_req.src_vir_w = src_info->var.xres_virtual;
 918         ipp_req.src0.fmt = ipp_fmt;
 919
 920         ipp_req.dst0.YrgbMst = dst_info->fix.smem_start + offset;
 921         ipp_req.dst0.w = dst_w;
 922         ipp_req.dst0.h = dst_h;
 923         ipp_req.dst_vir_w = dst_vir_w;
 924         ipp_req.dst0.fmt = ipp_fmt;
 925
 926         ipp_req.timeout = 100;
 927         ipp_req.flag = rotation;
 928         ipp_blit_sync(&ipp_req);
 929 }
 930
 931 #endif
 932
 933 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
 934 static int get_rga_format(int fmt)
 935 {
 936         int rga_fmt = 0;
 937
 938         switch (fmt) {
 939         case XBGR888:
 940                 rga_fmt = RK_FORMAT_RGBX_8888;
 941                 break;
 942         case ABGR888:
 943                 rga_fmt = RK_FORMAT_RGBA_8888;
 944                 break;
 945         case ARGB888:
 946                 rga_fmt = RK_FORMAT_BGRA_8888;
 947                 break;
 948         case RGB888:
 949                 rga_fmt = RK_FORMAT_RGB_888;
 950                 break;
 951         case RGB565:
 952                 rga_fmt = RK_FORMAT_RGB_565;
 953                 break;
 954         case YUV422:
 955                 rga_fmt = RK_FORMAT_YCbCr_422_SP;
 956                 break;
 957         case YUV420:
 958                 rga_fmt = RK_FORMAT_YCbCr_420_SP;
 959                 break;
 960         default:
 961                 rga_fmt = RK_FORMAT_RGBA_8888;
 962                 break;
 963         }
 964
 965         return rga_fmt;
 966 }
 967
 968 static void rga_win_check(struct rk_lcdc_win *dst_win,
 969                           struct rk_lcdc_win *src_win)
 970 {
 971         int format = 0;
 972
 973         format = get_rga_format(src_win->format);
 974         /* width and height must be even number */
 975         if (format >= RK_FORMAT_YCbCr_422_SP &&
 976             format <= RK_FORMAT_YCrCb_420_P) {
 977                 if ((src_win->area[0].xact % 2) != 0)
 978                         src_win->area[0].xact += 1;
 979                 if ((src_win->area[0].yact % 2) != 0)
 980                         src_win->area[0].yact += 1;
 981         }
 982         if (src_win->area[0].xvir < src_win->area[0].xact)
 983                 src_win->area[0].xvir = src_win->area[0].xact;
 984         if (src_win->area[0].yvir < src_win->area[0].yact)
 985                 src_win->area[0].yvir = src_win->area[0].yact;
 986
 987         format = get_rga_format(dst_win->format);
 988         if (format >= RK_FORMAT_YCbCr_422_SP &&
 989             format <= RK_FORMAT_YCrCb_420_P) {
 990                 if ((dst_win->area[0].xact % 2) != 0)
 991                         dst_win->area[0].xact += 1;
 992                 if ((dst_win->area[0].yact % 2) != 0)
 993                         dst_win->area[0].yact += 1;
 994         }
 995         if (dst_win->area[0].xvir < dst_win->area[0].xact)
 996                 dst_win->area[0].xvir = dst_win->area[0].xact;
 997         if (dst_win->area[0].yvir < dst_win->area[0].yact)
 998                 dst_win->area[0].yvir = dst_win->area[0].yact;
 999 }
1000
1001 static void win_copy_by_rga(struct rk_lcdc_win *dst_win,
1002                             struct rk_lcdc_win *src_win,
1003                             u16 orientation, int iommu_en)
1004 {
1005         struct rga_req Rga_Request;
1006         long ret = 0;
1007         /* int fd = 0; */
1008
1009         memset(&Rga_Request, 0, sizeof(Rga_Request));
1010         rga_win_check(dst_win, src_win);
1011
1012         switch (orientation) {
1013         case ROTATE_90:
1014                 Rga_Request.rotate_mode = 1;
1015                 Rga_Request.sina = 65536;
1016                 Rga_Request.cosa = 0;
1017                 Rga_Request.dst.act_w = dst_win->area[0].yact;
1018                 Rga_Request.dst.act_h = dst_win->area[0].xact;
1019                 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1020                 Rga_Request.dst.y_offset = 0;
1021                 break;
1022         case ROTATE_180:
1023                 Rga_Request.rotate_mode = 1;
1024                 Rga_Request.sina = 0;
1025                 Rga_Request.cosa = -65536;
1026                 Rga_Request.dst.act_w = dst_win->area[0].xact;
1027                 Rga_Request.dst.act_h = dst_win->area[0].yact;
1028                 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1029                 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1030                 break;
1031         case ROTATE_270:
1032                 Rga_Request.rotate_mode = 1;
1033                 Rga_Request.sina = -65536;
1034                 Rga_Request.cosa = 0;
1035                 Rga_Request.dst.act_w = dst_win->area[0].yact;
1036                 Rga_Request.dst.act_h = dst_win->area[0].xact;
1037                 Rga_Request.dst.x_offset = 0;
1038                 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1039                 break;
1040         default:
1041                 Rga_Request.rotate_mode = 0;
1042                 Rga_Request.dst.act_w = dst_win->area[0].xact;
1043                 Rga_Request.dst.act_h = dst_win->area[0].yact;
1044                 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1045                 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1046                 break;
1047         }
1048
1049 /*
1050         fd = ion_share_dma_buf_fd(rk_fb->ion_client, src_win->area[0].ion_hdl);
1051         Rga_Request.src.yrgb_addr = fd;
1052         fd = ion_share_dma_buf_fd(rk_fb->ion_client, dst_win->area[0].ion_hdl);
1053         Rga_Request.dst.yrgb_addr = fd;
1054 */
1055         Rga_Request.src.yrgb_addr = 0;
1056         Rga_Request.src.uv_addr =
1057             src_win->area[0].smem_start + src_win->area[0].y_offset;
1058         Rga_Request.src.v_addr = 0;
1059
1060         Rga_Request.dst.yrgb_addr = 0;
1061         Rga_Request.dst.uv_addr =
1062             dst_win->area[0].smem_start + dst_win->area[0].y_offset;
1063         Rga_Request.dst.v_addr = 0;
1064
1065         Rga_Request.src.vir_w = src_win->area[0].xvir;
1066         Rga_Request.src.vir_h = src_win->area[0].yvir;
1067         Rga_Request.src.format = get_rga_format(src_win->format);
1068         Rga_Request.src.act_w = src_win->area[0].xact;
1069         Rga_Request.src.act_h = src_win->area[0].yact;
1070         Rga_Request.src.x_offset = 0;
1071         Rga_Request.src.y_offset = 0;
1072
1073         Rga_Request.dst.vir_w = dst_win->area[0].xvir;
1074         Rga_Request.dst.vir_h = dst_win->area[0].yvir;
1075         Rga_Request.dst.format = get_rga_format(dst_win->format);
1076
1077         Rga_Request.clip.xmin = 0;
1078         Rga_Request.clip.xmax = dst_win->area[0].xact - 1;
1079         Rga_Request.clip.ymin = 0;
1080         Rga_Request.clip.ymax = dst_win->area[0].yact - 1;
1081         Rga_Request.scale_mode = 0;
1082 #if defined(CONFIG_ROCKCHIP_IOMMU)
1083         if (iommu_en) {
1084                 Rga_Request.mmu_info.mmu_en = 1;
1085                 Rga_Request.mmu_info.mmu_flag = 1;
1086         } else {
1087                 Rga_Request.mmu_info.mmu_en = 0;
1088                 Rga_Request.mmu_info.mmu_flag = 0;
1089         }
1090 #else
1091         Rga_Request.mmu_info.mmu_en = 0;
1092         Rga_Request.mmu_info.mmu_flag = 0;
1093 #endif
1094
1095         ret = rga_ioctl_kernel(&Rga_Request);
1096 }
1097
1098 /*
1099  * This function is used for copying fb by RGA Module
1100  * RGA only support copy RGB to RGB
1101  * RGA2 support copy RGB to RGB and YUV to YUV
1102  */
1103 static void fb_copy_by_rga(struct fb_info *dst_info,
1104                                 struct fb_info *src_info)
1105 {
1106         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)src_info->par;
1107         struct rk_lcdc_driver *ext_dev_drv =
1108             (struct rk_lcdc_driver *)dst_info->par;
1109         int win_id = 0, ext_win_id;
1110         struct rk_lcdc_win *src_win, *dst_win;
1111
1112         win_id = dev_drv->ops->fb_get_win_id(dev_drv, src_info->fix.id);
1113         src_win = dev_drv->win[win_id];
1114
1115         ext_win_id =
1116             ext_dev_drv->ops->fb_get_win_id(ext_dev_drv, dst_info->fix.id);
1117         dst_win = ext_dev_drv->win[ext_win_id];
1118
1119         win_copy_by_rga(dst_win, src_win, ext_dev_drv->rotate_mode,
1120                         ext_dev_drv->iommu_enabled);
1121 }
1122
1123 #endif
1124
1125 static int rk_fb_rotate(struct fb_info *dst_info,
1126                           struct fb_info *src_info)
1127 {
1128
1129 #if defined(CONFIG_RK29_IPP)
1130         fb_copy_by_ipp(dst_info, src_info);
1131 #elif defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1132         fb_copy_by_rga(dst_info, src_info);
1133 #else
1134         return -1;
1135 #endif
1136         return 0;
1137 }
1138
1139 static int rk_fb_win_rotate(struct rk_lcdc_win *dst_win,
1140                             struct rk_lcdc_win *src_win,
1141                             u16 rotate, int iommu_en)
1142 {
1143 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1144         win_copy_by_rga(dst_win, src_win, rotate, iommu_en);
1145 #else
1146         return -1;
1147 #endif
1148         return 0;
1149 }
1150
1151 static int rk_fb_set_ext_win_buffer(struct rk_lcdc_win *ext_win,
1152                                          struct rk_lcdc_win *win,
1153                                          u16 rotate, int iommu_en)
1154 {
1155         struct rk_fb *rk_fb =  platform_get_drvdata(fb_pdev);
1156         struct fb_info *ext_info = rk_fb->fb[(rk_fb->num_fb >> 1)];
1157         struct rk_lcdc_driver *ext_dev_drv = rk_get_extend_lcdc_drv();
1158         struct rk_lcdc_win *last_win;
1159         static u8 fb_index = 0;
1160         ion_phys_addr_t phy_addr;
1161         size_t len = 0;
1162         int ret = 0;
1163         bool is_yuv = false;
1164
1165         if (unlikely(!ext_win) || unlikely(!win))
1166                 return -1;
1167
1168         if (rk_fb->disp_mode != DUAL || ext_info == NULL)
1169                 return 0;
1170
1171         switch (ext_win->format) {
1172         case YUV422:
1173         case YUV420:
1174         case YUV444:
1175         case YUV422_A:
1176         case YUV420_A:
1177         case YUV444_A:
1178                 is_yuv = true;
1179                 break;
1180         default:
1181                 is_yuv = false;
1182                 break;
1183         }
1184
1185         /* no rotate mode */
1186         if (rotate <= X_Y_MIRROR) {
1187                 if (iommu_en) {
1188                         ret = ion_map_iommu(ext_dev_drv->dev,
1189                                             rk_fb->ion_client,
1190                                             win->area[0].ion_hdl,
1191                                             (unsigned long *)&phy_addr,
1192                                             (unsigned long *)&len);
1193                         if (ret < 0) {
1194                                 dev_err(ext_dev_drv->dev, "ion map to get phy addr failed\n");
1195                                 ion_free(rk_fb->ion_client, win->area[0].ion_hdl);
1196                                 return -ENOMEM;
1197                         }
1198                         ext_win->area[0].smem_start = phy_addr;
1199                         ext_win->area[0].y_offset = win->area[0].y_offset;
1200                         if (is_yuv) {
1201                                 ext_win->area[0].cbr_start = win->area[0].cbr_start;
1202                                 ext_win->area[0].c_offset = win->area[0].c_offset;
1203                         } else {
1204                                 ext_win->area[0].cbr_start = 0;
1205                                 ext_win->area[0].c_offset = 0;
1206                         }
1207                 } else {
1208                         ext_win->area[0].smem_start = win->area[0].smem_start;
1209                         ext_win->area[0].y_offset = win->area[0].y_offset;
1210                         if (is_yuv) {
1211                                 ext_win->area[0].cbr_start = win->area[0].cbr_start;
1212                                 ext_win->area[0].c_offset = win->area[0].c_offset;
1213                         } else {
1214                                 ext_win->area[0].cbr_start = 0;
1215                                 ext_win->area[0].c_offset = 0;
1216                         }
1217                 }
1218
1219                 return 0;
1220         }
1221
1222         /* rotate mode */
1223         if (!iommu_en) {
1224                 if (ext_win->id == 0) {
1225                         ext_win->area[0].smem_start = rk_fb->ext_fb_phy_base;
1226                         ext_win->area[0].y_offset = (get_rotate_fb_size() >> 1) * fb_index;
1227                         if ((++fb_index) > 1)
1228                                 fb_index = 0;
1229                 } else {
1230                         ext_win->area[0].y_offset = 0;
1231                         last_win = ext_dev_drv->win[ext_win->id - 1];
1232                         if (last_win->area[0].cbr_start)
1233                                 ext_win->area[0].smem_start =
1234                                         last_win->area[0].cbr_start +
1235                                         last_win->area[0].c_offset +
1236                                         last_win->area[0].xvir * last_win->area[0].yvir;
1237                         else
1238                                 ext_win->area[0].smem_start =
1239                                         last_win->area[0].smem_start +
1240                                         last_win->area[0].y_offset +
1241                                         last_win->area[0].xvir * last_win->area[0].yvir;
1242                 }
1243
1244                 if (is_yuv) {
1245                         ext_win->area[0].cbr_start =
1246                                 ext_win->area[0].smem_start +
1247                                 ext_win->area[0].y_offset +
1248                                 ext_win->area[0].xvir * ext_win->area[0].yvir;
1249                         ext_win->area[0].c_offset = win->area[0].c_offset;
1250                 } else {
1251                         ext_win->area[0].cbr_start = 0;
1252                         ext_win->area[0].c_offset = 0;
1253                 }
1254         }
1255
1256         return 0;
1257 }
1258
1259 static int rk_fb_pan_display(struct fb_var_screeninfo *var,
1260                              struct fb_info *info)
1261 {
1262         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
1263         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
1264         struct fb_fix_screeninfo *fix = &info->fix;
1265         struct fb_info *extend_info = NULL;
1266         struct rk_lcdc_driver *extend_dev_drv = NULL;
1267         int win_id = 0, extend_win_id = 0;
1268         struct rk_lcdc_win *extend_win = NULL;
1269         struct rk_lcdc_win *win = NULL;
1270         struct rk_screen *screen = dev_drv->cur_screen;
1271         int fb_id = 0;
1272
1273         u32 xoffset = var->xoffset;
1274         u32 yoffset = var->yoffset;
1275         u32 xvir = var->xres_virtual;
1276         /* u32 yvir = var->yres_virtual; */
1277         /* u8 data_format = var->nonstd&0xff; */
1278
1279         u8 pixel_width;
1280         u32 vir_width_bit;
1281         u32 stride, uv_stride;
1282         u32 stride_32bit_1;
1283         u32 stride_32bit_2;
1284         u16 uv_x_off, uv_y_off, uv_y_act;
1285         u8 is_pic_yuv = 0;
1286
1287         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1288         if (win_id < 0)
1289                 return -ENODEV;
1290         else
1291                 win = dev_drv->win[win_id];
1292
1293         if (rk_fb->disp_mode == DUAL) {
1294                 fb_id = get_extend_fb_id(info);
1295                 extend_info = rk_fb->fb[(rk_fb->num_fb >> 1) + fb_id];
1296                 extend_dev_drv = (struct rk_lcdc_driver *)extend_info->par;
1297                 extend_win_id = dev_drv->ops->fb_get_win_id(extend_dev_drv,
1298                                                            extend_info->fix.id);
1299                 extend_win = extend_dev_drv->win[extend_win_id];
1300         }
1301
1302         pixel_width = rk_fb_pixel_width(win->format);
1303         vir_width_bit = pixel_width * xvir;
1304         /* pixel_width = byte_num * 8 */
1305         stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
1306         stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
1307
1308         switch (win->format) {
1309         case YUV422:
1310         case YUV422_A:
1311                 is_pic_yuv = 1;
1312                 stride = stride_32bit_1;
1313                 uv_stride = stride_32bit_1 >> 1;
1314                 uv_x_off = xoffset >> 1;
1315                 uv_y_off = yoffset;
1316                 fix->line_length = stride;
1317                 uv_y_act = win->area[0].yact >> 1;
1318                 break;
1319         case YUV420:            /* 420sp */
1320         case YUV420_A:
1321                 is_pic_yuv = 1;
1322                 stride = stride_32bit_1;
1323                 uv_stride = stride_32bit_1;
1324                 uv_x_off = xoffset;
1325                 uv_y_off = yoffset >> 1;
1326                 fix->line_length = stride;
1327                 uv_y_act = win->area[0].yact >> 1;
1328                 break;
1329         case YUV444:
1330         case YUV444_A:
1331                 is_pic_yuv = 1;
1332                 stride = stride_32bit_1;
1333                 uv_stride = stride_32bit_2;
1334                 uv_x_off = xoffset * 2;
1335                 uv_y_off = yoffset;
1336                 fix->line_length = stride << 2;
1337                 uv_y_act = win->area[0].yact;
1338                 break;
1339         default:
1340                 stride = stride_32bit_1;        /* default rgb */
1341                 fix->line_length = stride;
1342                 break;
1343         }
1344
1345         /* x y mirror ,jump line */
1346         if (screen->y_mirror == 1) {
1347                 if (screen->interlace == 1) {
1348                         win->area[0].y_offset = yoffset * stride * 2 +
1349                             ((win->area[0].yact - 1) * 2 + 1) * stride +
1350                             xoffset * pixel_width / 8;
1351                 } else {
1352                         win->area[0].y_offset = yoffset * stride +
1353                             (win->area[0].yact - 1) * stride +
1354                             xoffset * pixel_width / 8;
1355                 }
1356         } else {
1357                 if (screen->interlace == 1) {
1358                         win->area[0].y_offset =
1359                             yoffset * stride * 2 + xoffset * pixel_width / 8;
1360                 } else {
1361                         win->area[0].y_offset =
1362                             yoffset * stride + xoffset * pixel_width / 8;
1363                 }
1364         }
1365         if (is_pic_yuv == 1) {
1366                 if (screen->y_mirror == 1) {
1367                         if (screen->interlace == 1) {
1368                                 win->area[0].c_offset =
1369                                     uv_y_off * uv_stride * 2 +
1370                                     ((uv_y_act - 1) * 2 + 1) * uv_stride +
1371                                     uv_x_off * pixel_width / 8;
1372                         } else {
1373                                 win->area[0].c_offset = uv_y_off * uv_stride +
1374                                     (uv_y_act - 1) * uv_stride +
1375                                     uv_x_off * pixel_width / 8;
1376                         }
1377                 } else {
1378                         if (screen->interlace == 1) {
1379                                 win->area[0].c_offset =
1380                                     uv_y_off * uv_stride * 2 +
1381                                     uv_x_off * pixel_width / 8;
1382                         } else {
1383                                 win->area[0].c_offset =
1384                                     uv_y_off * uv_stride +
1385                                     uv_x_off * pixel_width / 8;
1386                         }
1387                 }
1388         }
1389
1390         win->area[0].smem_start = fix->smem_start;
1391         win->area[0].cbr_start = fix->mmio_start;
1392         win->area[0].state = 1;
1393         win->area_num = 1;
1394
1395         dev_drv->ops->pan_display(dev_drv, win_id);
1396
1397         if (rk_fb->disp_mode == DUAL) {
1398                 if (extend_win->state && hdmi_switch_complete) {
1399                         rk_fb_set_ext_win_buffer(extend_win, win,
1400                                                  extend_dev_drv->rotate_mode,
1401                                                  extend_dev_drv->iommu_enabled);
1402                         if (extend_dev_drv->rotate_mode > X_Y_MIRROR)
1403                                 rk_fb_rotate(extend_info, info);
1404
1405                         extend_dev_drv->ops->pan_display(extend_dev_drv,
1406                                                          extend_win_id);
1407                         extend_dev_drv->ops->cfg_done(extend_dev_drv);
1408                 }
1409         }
1410 #ifdef  CONFIG_FB_MIRRORING
1411         if (video_data_to_mirroring)
1412                 video_data_to_mirroring(info, NULL);
1413 #endif
1414         dev_drv->ops->cfg_done(dev_drv);
1415         return 0;
1416 }
1417
1418 static int rk_fb_get_list_stat(struct rk_lcdc_driver *dev_drv)
1419 {
1420         int i, j;
1421
1422         i = list_empty(&dev_drv->update_regs_list);
1423         j = list_empty(&saved_list);
1424         return i == j ? 0 : 1;
1425 }
1426
1427 void rk_fd_fence_wait(struct rk_lcdc_driver *dev_drv, struct sync_fence *fence)
1428 {
1429         int err = sync_fence_wait(fence, 1000);
1430
1431         if (err >= 0)
1432                 return;
1433
1434         if (err == -ETIME)
1435                 err = sync_fence_wait(fence, 10 * MSEC_PER_SEC);
1436
1437         if (err < 0)
1438                 printk("error waiting on fence\n");
1439 }
1440
1441 static int rk_fb_copy_from_loader(struct fb_info *info)
1442 {
1443         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
1444         void *dst = info->screen_base;
1445         u32 dsp_addr[4];
1446         u32 src;
1447         u32 i,size;
1448         int win_id;
1449         struct rk_lcdc_win *win;
1450
1451         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1452         win = dev_drv->win[win_id];
1453         size = (win->area[0].xact) * (win->area[0].yact) << 2;
1454         dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1455         src = dsp_addr[win_id];
1456         dev_info(info->dev, "copy fb data %d x %d  from  dst_addr:%08x\n",
1457                  win->area[0].xact, win->area[0].yact, src);
1458         for (i = 0; i < size; i += PAGE_SIZE) {
1459                 void *page = phys_to_page(i + src);
1460                 void *from_virt = kmap(page);
1461                 void *to_virt = dst + i;
1462                 memcpy(to_virt, from_virt, PAGE_SIZE);
1463         }
1464         dev_drv->ops->direct_set_addr(dev_drv, win_id,
1465                                       info->fix.smem_start);
1466         return 0;
1467 }
1468
1469 #ifdef CONFIG_ROCKCHIP_IOMMU
1470 static int g_last_addr[4];
1471 int g_last_timeout;
1472 u32 freed_addr[10];
1473 u32 freed_index;
1474
1475 #define DUMP_CHUNK 256
1476 char buf[PAGE_SIZE];
1477
1478 int rk_fb_sysmmu_fault_handler(struct device *dev,
1479                                enum rk_iommu_inttype itype,
1480                                unsigned long pgtable_base,
1481                                unsigned long fault_addr, unsigned int status)
1482 {
1483         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
1484         int i = 0;
1485         static int page_fault_cnt;
1486         if ((page_fault_cnt++) >= 10)
1487                 return 0;
1488         pr_err
1489             ("PAGE FAULT occurred at 0x%lx (Page table base: 0x%lx),status=%d\n",
1490              fault_addr, pgtable_base, status);
1491         printk("last config addr:\n" "win0:0x%08x\n" "win1:0x%08x\n"
1492                "win2:0x%08x\n" "win3:0x%08x\n", g_last_addr[0], g_last_addr[1],
1493                g_last_addr[2], g_last_addr[3]);
1494         printk("last freed buffer:\n");
1495         for (i = 0; (freed_addr[i] != 0xfefefefe) && freed_addr[i]; i++)
1496                 printk("%d:0x%08x\n", i, freed_addr[i]);
1497         printk("last timeout:%d\n", g_last_timeout);
1498         dev_drv->ops->get_disp_info(dev_drv, buf, 0);
1499         for (i = 0; i < PAGE_SIZE; i += DUMP_CHUNK) {
1500                 if ((PAGE_SIZE - i) > DUMP_CHUNK) {
1501                         char c = buf[i + DUMP_CHUNK];
1502                         buf[i + DUMP_CHUNK] = 0;
1503                         pr_cont("%s", buf + i);
1504                         buf[i + DUMP_CHUNK] = c;
1505                 } else {
1506                         buf[PAGE_SIZE - 1] = 0;
1507                         pr_cont("%s", buf + i);
1508                 }
1509         }
1510
1511         return 0;
1512 }
1513 #endif
1514
1515 void rk_fb_free_dma_buf(struct rk_lcdc_driver *dev_drv,
1516                         struct rk_fb_reg_win_data *reg_win_data)
1517 {
1518         int i, index_buf;
1519         struct rk_fb_reg_area_data *area_data;
1520         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1521 #if defined(CONFIG_ROCKCHIP_IOMMU)
1522         struct rk_lcdc_driver *ext_dev_drv = rk_get_extend_lcdc_drv();
1523 #endif
1524
1525         for (i = 0; i < reg_win_data->area_num; i++) {
1526                 area_data = &reg_win_data->reg_area_data[i];
1527                 index_buf = area_data->index_buf;
1528 #if defined(CONFIG_ROCKCHIP_IOMMU)
1529                 if (dev_drv->iommu_enabled) {
1530                         ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client,
1531                                         area_data->ion_handle);
1532                         freed_addr[freed_index++] = area_data->smem_start;
1533                 }
1534                 if (rk_fb->disp_mode == DUAL && hdmi_switch_complete) {
1535                         if (ext_dev_drv->iommu_enabled)
1536                                 ion_unmap_iommu(ext_dev_drv->dev,
1537                                                 rk_fb->ion_client,
1538                                                 area_data->ion_handle);
1539                 }
1540 #endif
1541                 if (area_data->ion_handle != NULL) {
1542                         ion_unmap_kernel(rk_fb->ion_client,
1543                                          area_data->ion_handle);
1544                         ion_free(rk_fb->ion_client, area_data->ion_handle);
1545                 }
1546                 if (area_data->acq_fence)
1547                         sync_fence_put(area_data->acq_fence);
1548         }
1549         memset(reg_win_data, 0, sizeof(struct rk_fb_reg_win_data));
1550 }
1551
1552 /*
1553  * function: update extend win info acorrding to primary win info,
1554         the function is only used for dual display mode
1555  * @ext_dev_drv: the extend lcdc driver
1556  * @dev_drv: the primary lcdc driver
1557  * @ext_win: the lcdc win info of extend screen
1558  * @win: the lcdc win info of primary screen
1559  */
1560 static int rk_fb_update_ext_win(struct rk_lcdc_driver *ext_dev_drv,
1561                                      struct rk_lcdc_driver *dev_drv,
1562                                      struct rk_lcdc_win *ext_win,
1563                                      struct rk_lcdc_win *win)
1564 {
1565         struct rk_screen *screen = dev_drv->cur_screen;
1566         struct rk_screen *ext_screen = ext_dev_drv->cur_screen;
1567         int hdmi_xsize = ext_screen->xsize;
1568         int hdmi_ysize = ext_screen->ysize;
1569         int pixel_width, vir_width_bit, y_stride;
1570         bool is_yuv = false;
1571         int rotate_mode = 0;
1572
1573         if (unlikely(!dev_drv) || unlikely(!ext_dev_drv) ||
1574             unlikely(!ext_win) || unlikely(!win))
1575                 return -1;
1576
1577         rotate_mode = ext_dev_drv->rotate_mode;
1578
1579         if (ext_win->state == 0) {
1580                 dev_info(ext_dev_drv->dev, "extend lcdc win is closed\n");
1581                 return 0;
1582         }
1583
1584         ext_win->area[0].state = win->area[0].state;
1585         ext_win->area_num = win->area_num;
1586         ext_win->format = win->format;
1587         ext_win->fmt_10 = win->fmt_10;
1588         ext_win->z_order = win->z_order;
1589         ext_win->alpha_en = win->alpha_en;
1590         ext_win->alpha_mode = win->alpha_mode;
1591         ext_win->g_alpha_val = win->g_alpha_val;
1592
1593         switch (ext_win->format) {
1594         case YUV422:
1595         case YUV420:
1596         case YUV444:
1597         case YUV422_A:
1598         case YUV420_A:
1599         case YUV444_A:
1600                 is_yuv = true;
1601                 break;
1602         default:
1603                 is_yuv = false;
1604                 break;
1605         }
1606
1607         if (rotate_mode == ROTATE_90 || rotate_mode == ROTATE_270) {
1608                 ext_win->area[0].xact = win->area[0].yact;
1609                 ext_win->area[0].yact = win->area[0].xact;
1610                 ext_win->area[0].xvir = win->area[0].yact;
1611                 ext_win->area[0].yvir = win->area[0].xact;
1612
1613                 pixel_width = rk_fb_pixel_width(ext_win->format);
1614                 vir_width_bit = pixel_width * ext_win->area[0].xvir;
1615                 y_stride = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
1616                 ext_win->area[0].y_vir_stride = y_stride >> 2;
1617                 if (is_yuv)
1618                         ext_win->area[0].uv_vir_stride = ext_win->area[0].y_vir_stride;
1619                 else
1620                         ext_win->area[0].uv_vir_stride = 0;
1621         } else {
1622                 ext_win->area[0].xact = win->area[0].xact;
1623                 ext_win->area[0].yact = win->area[0].yact;
1624                 if (win->area[0].xvir == 0)
1625                         ext_win->area[0].xvir = win->area[0].xact;
1626                 else
1627                         ext_win->area[0].xvir = win->area[0].xvir;
1628                 if (win->area[0].yvir == 0)
1629                         ext_win->area[0].yvir = win->area[0].yact;
1630                 else
1631                         ext_win->area[0].yvir = win->area[0].yvir;
1632                 ext_win->area[0].y_vir_stride = win->area[0].y_vir_stride;
1633                 if (is_yuv)
1634                         ext_win->area[0].uv_vir_stride = win->area[0].uv_vir_stride;
1635                 else
1636                         ext_win->area[0].uv_vir_stride = 0;
1637         }
1638
1639         if (win->area[0].xpos != 0 || win->area[0].ypos != 0) {
1640                 if (rotate_mode == ROTATE_270) {
1641                         int xbom_pos = 0, ybom_pos = 0;
1642                         int xtop_pos = 0, ytop_pos = 0;
1643
1644                         ext_win->area[0].xsize =
1645                                 hdmi_xsize * win->area[0].ysize / screen->mode.yres;
1646                         ext_win->area[0].ysize =
1647                                 hdmi_ysize * win->area[0].xsize / screen->mode.xres;
1648                         xbom_pos =
1649                                 hdmi_xsize * win->area[0].ypos / screen->mode.yres;
1650                         ybom_pos = hdmi_ysize * win->area[0].xpos / screen->mode.xres;
1651                         xtop_pos = hdmi_xsize - ext_win->area[0].xsize - xbom_pos;
1652                         ytop_pos = hdmi_ysize - ext_win->area[0].ysize - ybom_pos;
1653                         ext_win->area[0].xpos =
1654                                 ((ext_screen->mode.xres - hdmi_xsize) >> 1) + xtop_pos;
1655                         ext_win->area[0].ypos =
1656                                 ((ext_screen->mode.yres - hdmi_ysize) >> 1) + ytop_pos;
1657                 } else if (rotate_mode == ROTATE_90) {
1658                         ext_win->area[0].xsize =
1659                                 hdmi_xsize * win->area[0].ysize / screen->mode.yres;
1660                         ext_win->area[0].ysize =
1661                                 hdmi_ysize * win->area[0].xsize / screen->mode.xres;
1662                         ext_win->area[0].xpos =
1663                                 ((ext_screen->mode.xres - hdmi_xsize) >> 1) +
1664                                 hdmi_xsize * win->area[0].ypos / screen->mode.yres;
1665                         ext_win->area[0].ypos =
1666                                 ((ext_screen->mode.yres - hdmi_ysize) >> 1) +
1667                                 hdmi_ysize * win->area[0].xpos / screen->mode.xres;
1668                 } else {
1669                         ext_win->area[0].xsize =
1670                                 hdmi_xsize * win->area[0].xsize / screen->mode.xres;
1671                         ext_win->area[0].ysize =
1672                                 hdmi_ysize * win->area[0].ysize / screen->mode.yres;
1673                         ext_win->area[0].xpos =
1674                                 ((ext_screen->mode.xres - hdmi_xsize) >> 1) +
1675                                 hdmi_xsize * win->area[0].xpos / screen->mode.xres;
1676                         ext_win->area[0].ypos =
1677                                 ((ext_screen->mode.yres - hdmi_ysize) >> 1) +
1678                                 hdmi_ysize * win->area[0].ypos / screen->mode.yres;
1679                 }
1680         } else {
1681                 ext_win->area[0].xsize = hdmi_xsize;
1682                 ext_win->area[0].ysize = hdmi_ysize;
1683                 ext_win->area[0].xpos =
1684                         (ext_screen->mode.xres - hdmi_xsize) >> 1;
1685                 ext_win->area[0].ypos =
1686                         (ext_screen->mode.yres - hdmi_ysize) >> 1;
1687         }
1688
1689         return 0;
1690 }
1691
1692 static void rk_fb_update_win(struct rk_lcdc_driver *dev_drv,
1693                                 struct rk_lcdc_win *win,
1694                                 struct rk_fb_reg_win_data *reg_win_data)
1695 {
1696         int i = 0;
1697         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
1698         struct rk_screen *cur_screen;
1699         struct rk_screen primary_screen;
1700
1701         if (unlikely(!inf) || unlikely(!dev_drv) ||
1702             unlikely(!win) || unlikely(!reg_win_data))
1703                 return;
1704
1705         cur_screen = dev_drv->cur_screen;
1706         rk_fb_get_prmry_screen(&primary_screen);
1707
1708         win->area_num = reg_win_data->area_num;
1709         win->format = reg_win_data->data_format;
1710         win->id = reg_win_data->win_id;
1711         win->z_order = reg_win_data->z_order;
1712
1713         if (reg_win_data->reg_area_data[0].smem_start > 0) {
1714                 win->state = 1;
1715                 win->area_num = reg_win_data->area_num;
1716                 win->format = reg_win_data->data_format;
1717                 win->id = reg_win_data->win_id;
1718                 win->z_order = reg_win_data->z_order;
1719                 win->area[0].uv_vir_stride =
1720                     reg_win_data->reg_area_data[0].uv_vir_stride;
1721                 win->area[0].cbr_start =
1722                     reg_win_data->reg_area_data[0].cbr_start;
1723                 win->area[0].c_offset = reg_win_data->reg_area_data[0].c_offset;
1724                 win->alpha_en = reg_win_data->alpha_en;
1725                 win->alpha_mode = reg_win_data->alpha_mode;
1726                 win->g_alpha_val = reg_win_data->g_alpha_val;
1727                 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
1728                         if (reg_win_data->reg_area_data[i].smem_start > 0) {
1729                                 win->area[i].ion_hdl =
1730                                         reg_win_data->reg_area_data[i].ion_handle;
1731                                 win->area[i].smem_start =
1732                                         reg_win_data->reg_area_data[i].smem_start;
1733                                 if (inf->disp_mode == DUAL) {
1734                                         win->area[i].xpos =
1735                                                 reg_win_data->reg_area_data[i].xpos;
1736                                         win->area[i].ypos =
1737                                                 reg_win_data->reg_area_data[i].ypos;
1738                                         win->area[i].xsize =
1739                                                 reg_win_data->reg_area_data[i].xsize;
1740                                         win->area[i].ysize =
1741                                                 reg_win_data->reg_area_data[i].ysize;
1742                                 } else {
1743                                         win->area[i].xpos =
1744                                                 reg_win_data->reg_area_data[i].xpos *
1745                                                 cur_screen->mode.xres /
1746                                                 primary_screen.mode.xres;
1747                                         win->area[i].ypos =
1748                                                 reg_win_data->reg_area_data[i].ypos *
1749                                                 cur_screen->mode.yres /
1750                                                 primary_screen.mode.yres;
1751                                         win->area[i].xsize =
1752                                                 reg_win_data->reg_area_data[i].xsize *
1753                                                 cur_screen->mode.xres /
1754                                                 primary_screen.mode.xres;
1755                                         win->area[i].ysize =
1756                                                 reg_win_data->reg_area_data[i].ysize *
1757                                                 cur_screen->mode.yres /
1758                                                 primary_screen.mode.yres;
1759                                 }
1760                                 win->area[i].xact =
1761                                     reg_win_data->reg_area_data[i].xact;
1762                                 win->area[i].yact =
1763                                     reg_win_data->reg_area_data[i].yact;
1764                                 win->area[i].xvir =
1765                                     reg_win_data->reg_area_data[i].xvir;
1766                                 win->area[i].yvir =
1767                                     reg_win_data->reg_area_data[i].yvir;
1768                                 win->area[i].y_offset =
1769                                     reg_win_data->reg_area_data[i].y_offset;
1770                                 win->area[i].y_vir_stride =
1771                                     reg_win_data->reg_area_data[i].y_vir_stride;
1772                                 win->area[i].state = 1;
1773                         } else {
1774                                 win->area[i].state = 0;
1775                         }
1776                 }
1777         } else {
1778         /*
1779                 win->state = 0;
1780                 win->z_order = -1;
1781         */
1782         }
1783 }
1784
1785 static struct rk_fb_reg_win_data *rk_fb_get_win_data(struct rk_fb_reg_data
1786                                                      *regs, int win_id)
1787 {
1788         int i;
1789         struct rk_fb_reg_win_data *win_data = NULL;
1790         for (i = 0; i < regs->win_num; i++) {
1791                 if (regs->reg_win_data[i].win_id == win_id) {
1792                         win_data = &(regs->reg_win_data[i]);
1793                         break;
1794                 }
1795         }
1796
1797         return win_data;
1798 }
1799
1800 static void rk_fb_update_reg(struct rk_lcdc_driver *dev_drv,
1801                              struct rk_fb_reg_data *regs)
1802 {
1803         int i, j;
1804         struct rk_lcdc_win *win;
1805         ktime_t timestamp = dev_drv->vsync_info.timestamp;
1806         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1807         struct rk_lcdc_driver *ext_dev_drv;
1808         struct rk_lcdc_win *ext_win;
1809         struct rk_fb_reg_win_data *win_data;
1810         bool wait_for_vsync;
1811         int count = 100;
1812         unsigned int dsp_addr[4];
1813         long timeout;
1814
1815         /* acq_fence wait */
1816         for (i = 0; i < regs->win_num; i++) {
1817                 win_data = &regs->reg_win_data[i];
1818                 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1819                         if (win_data->reg_area_data[j].acq_fence) {
1820                                 /* printk("acq_fence wait!!!!!\n"); */
1821                                 rk_fd_fence_wait(dev_drv, win_data->reg_area_data[j].acq_fence);
1822                         }
1823                 }
1824         }
1825
1826         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1827                 win = dev_drv->win[i];
1828                 win_data = rk_fb_get_win_data(regs, i);
1829                 if (win_data) {
1830                         rk_fb_update_win(dev_drv, win, win_data);
1831                         win->state = 1;
1832                         dev_drv->ops->set_par(dev_drv, i);
1833                         dev_drv->ops->pan_display(dev_drv, i);
1834 #if defined(CONFIG_ROCKCHIP_IOMMU)
1835                         if (dev_drv->iommu_enabled) {
1836                                 g_last_addr[i] = win_data->reg_area_data[0].smem_start +
1837                                         win_data->reg_area_data[0].y_offset;
1838                         }
1839 #endif
1840                 } else {
1841                         win->z_order = -1;
1842                         win->state = 0;
1843                 }
1844         }
1845         dev_drv->ops->ovl_mgr(dev_drv, 0, 1);
1846
1847         if ((rk_fb->disp_mode == DUAL)
1848             && (hdmi_get_hotplug() == HDMI_HPD_ACTIVED)
1849             && hdmi_switch_complete) {
1850                 ext_dev_drv = rk_get_extend_lcdc_drv();
1851                 if (!ext_dev_drv) {
1852                         printk(KERN_ERR "hdmi lcdc driver not found!\n");
1853                         goto ext_win_exit;
1854                 }
1855
1856                 /*
1857                   * For RK3288: win0 and win1 have only one area and support scale
1858                   * but win2 and win3 don't support scale
1859                   * so hdmi only use win0 or win1
1860                   */
1861                 for (i = 0; i < 2; i++) {
1862                         win = dev_drv->win[i];
1863                         ext_win = ext_dev_drv->win[i];
1864                         ext_win->state = win->state;
1865                         ext_win->id = win->id;
1866                         if (!ext_win->state)
1867                                 continue;
1868                         rk_fb_update_ext_win(ext_dev_drv, dev_drv, ext_win, win);
1869                         rk_fb_set_ext_win_buffer(ext_win, win,
1870                                                  ext_dev_drv->rotate_mode,
1871                                                  ext_dev_drv->iommu_enabled);
1872
1873                         if (ext_dev_drv->rotate_mode > X_Y_MIRROR)
1874                                 rk_fb_win_rotate(ext_win, win,
1875                                                  ext_dev_drv->rotate_mode,
1876                                                  ext_dev_drv->iommu_enabled);
1877
1878                         ext_dev_drv->ops->set_par(ext_dev_drv, i);
1879                         ext_dev_drv->ops->pan_display(ext_dev_drv, i);
1880                 }
1881
1882                 ext_dev_drv->ops->cfg_done(ext_dev_drv);
1883         }
1884 ext_win_exit:
1885         dev_drv->ops->cfg_done(dev_drv);
1886
1887         do {
1888                 timestamp = dev_drv->vsync_info.timestamp;
1889                 timeout = wait_event_interruptible_timeout(dev_drv->vsync_info.wait,
1890                                 ktime_compare(dev_drv->vsync_info.timestamp, timestamp) > 0,
1891                                 msecs_to_jiffies(25));
1892                 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1893                 wait_for_vsync = false;
1894                 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1895                         if (dev_drv->win[i]->state == 1) {
1896                                 u32 new_start =
1897                                     dev_drv->win[i]->area[0].smem_start +
1898                                     dev_drv->win[i]->area[0].y_offset;
1899                                 u32 reg_start = dsp_addr[i];
1900
1901                                 if (unlikely(new_start != reg_start)) {
1902                                         wait_for_vsync = true;
1903                                         dev_info(dev_drv->dev,
1904                                                "win%d:new_addr:0x%08x cur_addr:0x%08x--%d\n",
1905                                                i, new_start, reg_start, 101 - count);
1906                                         break;
1907                                 }
1908                         }
1909                 }
1910         } while (wait_for_vsync && count--);
1911 #ifdef H_USE_FENCE
1912         sw_sync_timeline_inc(dev_drv->timeline, 1);
1913 #endif
1914         if (!g_first_buf) {
1915 #if defined(CONFIG_ROCKCHIP_IOMMU)
1916                 if (dev_drv->iommu_enabled) {
1917                         freed_index = 0;
1918                         g_last_timeout = timeout;
1919                 }
1920 #endif
1921                 for (i = 0; i < g_last_win_num; i++)
1922                         rk_fb_free_dma_buf(dev_drv, &g_reg_win_data[i]);
1923
1924 #if defined(CONFIG_ROCKCHIP_IOMMU)
1925                 if (dev_drv->iommu_enabled)
1926                         freed_addr[freed_index] = 0xfefefefe;
1927 #endif
1928         }
1929         for (i = 0; i < regs->win_num; i++) {
1930                 memcpy(&g_reg_win_data[i], &(regs->reg_win_data[i]),
1931                        sizeof(struct rk_fb_reg_win_data));
1932         }
1933         g_last_win_num = regs->win_num;
1934         g_first_buf = 0;
1935 }
1936
1937 static void rk_fb_update_regs_handler(struct kthread_work *work)
1938 {
1939         struct rk_lcdc_driver *dev_drv =
1940             container_of(work, struct rk_lcdc_driver, update_regs_work);
1941         struct rk_fb_reg_data *data, *next;
1942         /* struct list_head saved_list; */
1943
1944         mutex_lock(&dev_drv->update_regs_list_lock);
1945         saved_list = dev_drv->update_regs_list;
1946         list_replace_init(&dev_drv->update_regs_list, &saved_list);
1947         mutex_unlock(&dev_drv->update_regs_list_lock);
1948
1949         list_for_each_entry_safe(data, next, &saved_list, list) {
1950                 rk_fb_update_reg(dev_drv, data);
1951                 list_del(&data->list);
1952                 kfree(data);
1953         }
1954
1955         if (dev_drv->wait_fs && list_empty(&dev_drv->update_regs_list))
1956                 wake_up(&dev_drv->update_regs_wait);
1957 }
1958
1959 static int rk_fb_check_config_var(struct rk_fb_area_par *area_par,
1960                                   struct rk_screen *screen)
1961 {
1962         if ((area_par->x_offset + area_par->xact > area_par->xvir) ||
1963             (area_par->xact <= 0) || (area_par->yact <= 0) ||
1964             (area_par->xvir <= 0) || (area_par->yvir <= 0)) {
1965                 pr_err("check config var fail 0:\n"
1966                        "x_offset=%d,xact=%d,xvir=%d\n",
1967                        area_par->x_offset, area_par->xact, area_par->xvir);
1968                 return -EINVAL;
1969         }
1970
1971         if ((area_par->xpos + area_par->xsize > screen->mode.xres) ||
1972             (area_par->ypos + area_par->ysize > screen->mode.yres) ||
1973             (area_par->xsize <= 0) || (area_par->ysize <= 0)) {
1974                 pr_err("check config var fail 1:\n"
1975                        "xpos=%d,xsize=%d,xres=%d\n"
1976                        "ypos=%d,ysize=%d,yres=%d\n",
1977                        area_par->xpos, area_par->xsize, screen->mode.xres,
1978                        area_par->ypos, area_par->ysize, screen->mode.yres);
1979                 return -EINVAL;
1980         }
1981         return 0;
1982 }
1983
1984 static int rk_fb_set_win_buffer(struct fb_info *info,
1985                                 struct rk_fb_win_par *win_par,
1986                                 struct rk_fb_reg_win_data *reg_win_data)
1987 {
1988         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
1989         struct fb_fix_screeninfo *fix = &info->fix;
1990         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
1991         struct rk_screen *screen = dev_drv->cur_screen;
1992         struct rk_screen primary_screen;
1993         struct fb_info *fbi = rk_fb->fb[0];
1994         int i, ion_fd, acq_fence_fd;
1995         u32 xvir, yvir;
1996         u32 xoffset, yoffset;
1997
1998         struct ion_handle *hdl;
1999         size_t len;
2000         int index_buf;
2001         u8 fb_data_fmt;
2002         u8 pixel_width;
2003         u32 vir_width_bit;
2004         u32 stride, uv_stride;
2005         u32 stride_32bit_1;
2006         u32 stride_32bit_2;
2007         u16 uv_x_off, uv_y_off, uv_y_act;
2008         u8 is_pic_yuv = 0;
2009         u8 ppixel_a = 0, global_a = 0;
2010         ion_phys_addr_t phy_addr;
2011         int ret = 0;
2012
2013         reg_win_data->reg_area_data[0].smem_start = -1;
2014         reg_win_data->area_num = 0;
2015         fbi = rk_fb->fb[reg_win_data->win_id];
2016         if (win_par->area_par[0].phy_addr == 0) {
2017                 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
2018                         ion_fd = win_par->area_par[i].ion_fd;
2019                         if (ion_fd > 0) {
2020                                 hdl =
2021                                     ion_import_dma_buf(rk_fb->ion_client,
2022                                                        ion_fd);
2023                                 if (IS_ERR(hdl)) {
2024                                         pr_info
2025                                             ("%s: Could not import handle: %d\n",
2026                                              __func__, (int)hdl);
2027                                         /*return -EINVAL; */
2028                                         break;
2029                                 }
2030                                 fbi->screen_base =
2031                                     ion_map_kernel(rk_fb->ion_client, hdl);
2032                                 reg_win_data->area_num++;
2033                                 reg_win_data->reg_area_data[i].ion_handle = hdl;
2034 #ifndef CONFIG_ROCKCHIP_IOMMU
2035                                 ret = ion_phys(rk_fb->ion_client, hdl, &phy_addr,
2036                                                 &len);
2037 #else
2038                                 if (dev_drv->iommu_enabled)
2039                                         ret = ion_map_iommu(dev_drv->dev,
2040                                                                 rk_fb->ion_client,
2041                                                                 hdl,
2042                                                                 (unsigned long *)&phy_addr,
2043                                                                 (unsigned long *)&len);
2044                                 else
2045                                         ret = ion_phys(rk_fb->ion_client, hdl,
2046                                                         &phy_addr, &len);
2047 #endif
2048                                 if (ret < 0) {
2049                                         dev_err(fbi->dev, "ion map to get phy addr failed\n");
2050                                         ion_free(rk_fb->ion_client, hdl);
2051                                         return -ENOMEM;
2052                                 }
2053                                 reg_win_data->reg_area_data[i].smem_start = phy_addr;
2054                                 reg_win_data->area_buf_num++;
2055                                 reg_win_data->reg_area_data[i].index_buf = 1;
2056                         }
2057                 }
2058         } else {
2059                 reg_win_data->reg_area_data[0].smem_start =
2060                     win_par->area_par[0].phy_addr;
2061                 reg_win_data->area_num = 1;
2062                 fbi->screen_base = phys_to_virt(win_par->area_par[0].phy_addr);
2063         }
2064
2065         if (reg_win_data->area_num == 0)
2066                 return 0;
2067
2068         for (i = 0; i < reg_win_data->area_num; i++) {
2069                 acq_fence_fd = win_par->area_par[i].acq_fence_fd;
2070                 index_buf = reg_win_data->reg_area_data[i].index_buf;
2071                 if ((acq_fence_fd > 0) && (index_buf == 1)) {
2072                         reg_win_data->reg_area_data[i].acq_fence =
2073                             sync_fence_fdget(win_par->area_par[i].acq_fence_fd);
2074                 }
2075         }
2076         fb_data_fmt = rk_fb_data_fmt(win_par->data_format, 0);
2077         reg_win_data->data_format = fb_data_fmt;
2078         pixel_width = rk_fb_pixel_width(fb_data_fmt);
2079
2080         ppixel_a = ((fb_data_fmt == ARGB888) ||
2081                     (fb_data_fmt == ABGR888)) ? 1 : 0;
2082         global_a = (win_par->g_alpha_val == 0) ? 0 : 1;
2083         reg_win_data->alpha_en = ppixel_a | global_a;
2084         reg_win_data->g_alpha_val = win_par->g_alpha_val;
2085         reg_win_data->alpha_mode = win_par->alpha_mode;
2086         if (reg_win_data->reg_area_data[0].smem_start > 0) {
2087                 reg_win_data->z_order = win_par->z_order;
2088                 reg_win_data->win_id = win_par->win_id;
2089         } else {
2090                 reg_win_data->z_order = -1;
2091                 reg_win_data->win_id = -1;
2092         }
2093
2094         rk_fb_get_prmry_screen(&primary_screen);
2095         for (i = 0; i < reg_win_data->area_num; i++) {
2096                 rk_fb_check_config_var(&win_par->area_par[i], &primary_screen);
2097                 /* visiable pos in panel */
2098                 reg_win_data->reg_area_data[i].xpos = win_par->area_par[i].xpos;
2099                 reg_win_data->reg_area_data[i].ypos = win_par->area_par[i].ypos;
2100
2101                 /* realy size in panel */
2102                 reg_win_data->reg_area_data[i].xsize = win_par->area_par[i].xsize;
2103                 reg_win_data->reg_area_data[i].ysize = win_par->area_par[i].ysize;
2104
2105                 /* realy size in panel */
2106                 reg_win_data->reg_area_data[i].xact = win_par->area_par[i].xact;
2107                 reg_win_data->reg_area_data[i].yact = win_par->area_par[i].yact;
2108
2109                 xoffset = win_par->area_par[i].x_offset;        /* buf offset */
2110                 yoffset = win_par->area_par[i].y_offset;
2111                 xvir = win_par->area_par[i].xvir;
2112                 reg_win_data->reg_area_data[i].xvir = xvir;
2113                 yvir = win_par->area_par[i].yvir;
2114                 reg_win_data->reg_area_data[i].yvir = yvir;
2115
2116                 vir_width_bit = pixel_width * xvir;
2117                 /* pixel_width = byte_num*8 */
2118                 stride_32bit_1 = ((vir_width_bit + 31) & (~31)) / 8;
2119                 stride_32bit_2 = ((vir_width_bit * 2 + 31) & (~31)) / 8;
2120
2121                 stride = stride_32bit_1;        /* default rgb */
2122                 fix->line_length = stride;
2123                 reg_win_data->reg_area_data[i].y_vir_stride = stride >> 2;
2124
2125                 /* x y mirror ,jump line
2126                  * reg_win_data->reg_area_data[i].y_offset =
2127                  *              yoffset*stride+xoffset*pixel_width/8;
2128                  */
2129                 if (screen->y_mirror == 1) {
2130                         if (screen->interlace == 1) {
2131                                 reg_win_data->reg_area_data[i].y_offset =
2132                                     yoffset * stride * 2 +
2133                                     ((reg_win_data->reg_area_data[i].yact - 1) * 2 + 1) * stride +
2134                                     xoffset * pixel_width / 8;
2135                         } else {
2136                                 reg_win_data->reg_area_data[i].y_offset =
2137                                     yoffset * stride +
2138                                     (reg_win_data->reg_area_data[i].yact - 1) * stride +
2139                                     xoffset * pixel_width / 8;
2140                         }
2141                 } else {
2142                         if (screen->interlace == 1) {
2143                                 reg_win_data->reg_area_data[i].y_offset =
2144                                     yoffset * stride * 2 +
2145                                     xoffset * pixel_width / 8;
2146                         } else {
2147                                 reg_win_data->reg_area_data[i].y_offset =
2148                                     yoffset * stride +
2149                                     xoffset * pixel_width / 8;
2150                         }
2151                 }
2152         }
2153         switch (fb_data_fmt) {
2154         case YUV422:
2155         case YUV422_A:
2156                 is_pic_yuv = 1;
2157                 stride = stride_32bit_1;
2158                 uv_stride = stride_32bit_1 >> 1;
2159                 uv_x_off = xoffset >> 1;
2160                 uv_y_off = yoffset;
2161                 fix->line_length = stride;
2162                 uv_y_act = win_par->area_par[0].yact >> 1;
2163                 break;
2164         case YUV420:            /* 420sp */
2165         case YUV420_A:
2166                 is_pic_yuv = 1;
2167                 stride = stride_32bit_1;
2168                 uv_stride = stride_32bit_1;
2169                 uv_x_off = xoffset;
2170                 uv_y_off = yoffset >> 1;
2171                 fix->line_length = stride;
2172                 uv_y_act = win_par->area_par[0].yact >> 1;
2173                 break;
2174         case YUV444:
2175         case YUV444_A:
2176                 is_pic_yuv = 1;
2177                 stride = stride_32bit_1;
2178                 uv_stride = stride_32bit_2;
2179                 uv_x_off = xoffset * 2;
2180                 uv_y_off = yoffset;
2181                 fix->line_length = stride << 2;
2182                 uv_y_act = win_par->area_par[0].yact;
2183                 break;
2184         default:
2185                 break;
2186         }
2187         if (is_pic_yuv == 1) {
2188                 reg_win_data->reg_area_data[0].cbr_start =
2189                     reg_win_data->reg_area_data[0].smem_start + xvir * yvir;
2190                 reg_win_data->reg_area_data[0].uv_vir_stride = uv_stride >> 2;
2191                 if (screen->y_mirror == 1) {
2192                         if (screen->interlace == 1) {
2193                                 reg_win_data->reg_area_data[0].c_offset =
2194                                     uv_y_off * uv_stride * 2 +
2195                                     ((uv_y_act - 1) * 2 + 1) * uv_stride +
2196                                     uv_x_off * pixel_width / 8;
2197                         } else {
2198                                 reg_win_data->reg_area_data[0].c_offset =
2199                                     uv_y_off * uv_stride +
2200                                     (uv_y_act - 1) * uv_stride +
2201                                     uv_x_off * pixel_width / 8;
2202                         }
2203                 } else {
2204                         if (screen->interlace == 1) {
2205                                 reg_win_data->reg_area_data[0].c_offset =
2206                                     uv_y_off * uv_stride * 2 +
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_x_off * pixel_width / 8;
2212                         }
2213                 }
2214         }
2215         return 0;
2216 }
2217
2218 static int rk_fb_set_win_config(struct fb_info *info,
2219                                 struct rk_fb_win_cfg_data *win_data)
2220 {
2221         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
2222         struct rk_fb_reg_data *regs;
2223 #ifdef H_USE_FENCE
2224         struct sync_fence *release_fence[RK_MAX_BUF_NUM];
2225         struct sync_fence *retire_fence;
2226         struct sync_pt *release_sync_pt[RK_MAX_BUF_NUM];
2227         struct sync_pt *retire_sync_pt;
2228         char fence_name[20];
2229 #endif
2230         int ret = 0, i, j = 0;
2231         int list_is_empty = 0;
2232
2233         regs = kzalloc(sizeof(struct rk_fb_reg_data), GFP_KERNEL);
2234         if (!regs) {
2235                 printk(KERN_INFO "could not allocate rk_fb_reg_data\n");
2236                 ret = -ENOMEM;
2237                 return ret;
2238         }
2239
2240 /*
2241         regs->post_cfg.xpos = win_data->post_cfg.xpos;
2242         regs->post_cfg.ypos = win_data->post_cfg.ypos;
2243         regs->post_cfg.xsize = win_data->post_cfg.xsize;
2244         regs->post_cfg.ysize = win_data->post_cfg.xsize;
2245 */
2246
2247         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
2248                 if (win_data->win_par[i].win_id < dev_drv->lcdc_win_num) {
2249                         if (rk_fb_set_win_buffer(info, &win_data->win_par[i],
2250                                                         &regs->reg_win_data[j]))
2251                                 return -ENOMEM;
2252                         if (regs->reg_win_data[j].area_num > 0) {
2253                                 regs->win_num++;
2254                                 regs->buf_num +=
2255                                     regs->reg_win_data[j].area_buf_num;
2256                         }
2257                         j++;
2258                 } else {
2259                         printk(KERN_INFO "error:win_id bigger than lcdc_win_num\n");
2260                         printk(KERN_INFO "i=%d,win_id=%d\n", i,
2261                                win_data->win_par[i].win_id);
2262                 }
2263         }
2264
2265         mutex_lock(&dev_drv->output_lock);
2266         if (!(dev_drv->suspend_flag == 0)) {
2267                 rk_fb_update_reg(dev_drv, regs);
2268                 kfree(regs);
2269                 printk(KERN_INFO "suspend_flag = 1\n");
2270                 goto err;
2271         }
2272
2273         dev_drv->timeline_max++;
2274 #ifdef H_USE_FENCE
2275         for (i = 0; i < RK_MAX_BUF_NUM; i++) {
2276                 if (i < regs->buf_num) {
2277                         sprintf(fence_name, "fence%d", i);
2278                         win_data->rel_fence_fd[i] = get_unused_fd();
2279                         if (win_data->rel_fence_fd[i] < 0) {
2280                                 printk(KERN_INFO "rel_fence_fd=%d\n",
2281                                        win_data->rel_fence_fd[i]);
2282                                 ret = -EFAULT;
2283                                 goto err;
2284                         }
2285                         release_sync_pt[i] =
2286                             sw_sync_pt_create(dev_drv->timeline,
2287                                               dev_drv->timeline_max);
2288                         release_fence[i] =
2289                             sync_fence_create(fence_name, release_sync_pt[i]);
2290                         sync_fence_install(release_fence[i],
2291                                            win_data->rel_fence_fd[i]);
2292                 } else {
2293                         win_data->rel_fence_fd[i] = -1;
2294                 }
2295         }
2296
2297         win_data->ret_fence_fd = get_unused_fd();
2298         if (win_data->ret_fence_fd < 0) {
2299                 printk("ret_fence_fd=%d\n", win_data->ret_fence_fd);
2300                 ret = -EFAULT;
2301                 goto err;
2302         }
2303         retire_sync_pt =
2304             sw_sync_pt_create(dev_drv->timeline, dev_drv->timeline_max);
2305         retire_fence = sync_fence_create("ret_fence", retire_sync_pt);
2306         sync_fence_install(retire_fence, win_data->ret_fence_fd);
2307 #else
2308         for (i = 0; i < RK_MAX_BUF_NUM; i++)
2309                 win_data->rel_fence_fd[i] = -1;
2310
2311         win_data->ret_fence_fd = -1;
2312 #endif
2313         if (dev_drv->wait_fs == 0) {
2314                 mutex_lock(&dev_drv->update_regs_list_lock);
2315                 list_add_tail(&regs->list, &dev_drv->update_regs_list);
2316                 mutex_unlock(&dev_drv->update_regs_list_lock);
2317                 queue_kthread_work(&dev_drv->update_regs_worker,
2318                                    &dev_drv->update_regs_work);
2319         } else {
2320                 mutex_lock(&dev_drv->update_regs_list_lock);
2321                 list_is_empty = list_empty(&dev_drv->update_regs_list) &&
2322                                         list_empty(&saved_list);
2323                 mutex_unlock(&dev_drv->update_regs_list_lock);
2324                 if (!list_is_empty) {
2325                         ret = wait_event_timeout(dev_drv->update_regs_wait,
2326                                 list_empty(&dev_drv->update_regs_list) && list_empty(&saved_list),
2327                                 msecs_to_jiffies(60));
2328                         if (ret > 0)
2329                                 rk_fb_update_reg(dev_drv, regs);
2330                         else
2331                                 printk("%s: wait update_regs_wait timeout\n", __func__);
2332                 } else if (ret == 0) {
2333                         rk_fb_update_reg(dev_drv, regs);
2334                 }
2335                 kfree(regs);
2336         }
2337
2338 err:
2339         mutex_unlock(&dev_drv->output_lock);
2340         return ret;
2341 }
2342
2343 #if 1
2344 static int cfgdone_distlist[10] = { 0 };
2345
2346 static int cfgdone_index;
2347 static int cfgdone_lasttime;
2348
2349 int rk_get_real_fps(int before)
2350 {
2351         struct timespec now;
2352         int dist_curr;
2353         int dist_total = 0;
2354         int dist_count = 0;
2355         int dist_first = 0;
2356
2357         int index = cfgdone_index;
2358         int i = 0, fps = 0;
2359         int total;
2360
2361         if (before > 100)
2362                 before = 100;
2363         if (before < 0)
2364                 before = 0;
2365
2366         getnstimeofday(&now);
2367         dist_curr = (now.tv_sec * 1000000 + now.tv_nsec / 1000) -
2368                         cfgdone_lasttime;
2369         total = dist_curr;
2370         /*
2371            printk("fps: ");
2372          */
2373         for (i = 0; i < 10; i++) {
2374                 if (--index < 0)
2375                         index = 9;
2376                 total += cfgdone_distlist[index];
2377                 if (i == 0)
2378                         dist_first = cfgdone_distlist[index];
2379                 if (total < (before * 1000)) {
2380                         /*
2381                            printk("[%d:%d] ", dist_count, cfgdone_distlist[index]);
2382                          */
2383                         dist_total += cfgdone_distlist[index];
2384                         dist_count++;
2385                 } else {
2386                         break;
2387                 }
2388         }
2389
2390         /*
2391            printk("total %d, count %d, curr %d, ", dist_total, dist_count, dist_curr);
2392          */
2393         dist_curr = (dist_curr > dist_first) ? dist_curr : dist_first;
2394         dist_total += dist_curr;
2395         dist_count++;
2396
2397         if (dist_total > 0)
2398                 fps = (1000000 * dist_count) / dist_total;
2399         else
2400                 fps = 60;
2401
2402         /*
2403            printk("curr2 %d, fps=%d\n", dist_curr, fps);
2404          */
2405         return fps;
2406 }
2407 EXPORT_SYMBOL(rk_get_real_fps);
2408
2409 #endif
2410 #ifdef CONFIG_ROCKCHIP_IOMMU
2411 #define ION_MAX 10
2412 static struct ion_handle *ion_hanle[ION_MAX];
2413 static struct ion_handle *ion_hwc[1];
2414 #endif
2415 static int rk_fb_ioctl(struct fb_info *info, unsigned int cmd,
2416                        unsigned long arg)
2417 {
2418         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2419         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
2420         struct fb_fix_screeninfo *fix = &info->fix;
2421         int fb_id = 0, extend_win_id = 0;
2422         struct fb_info *extend_info = NULL;
2423         struct rk_lcdc_driver *extend_dev_drv = NULL;
2424         struct rk_lcdc_win *extend_win = NULL;
2425         struct rk_lcdc_win *win;
2426         int enable;     /* enable fb:1 enable;0 disable */
2427         int ovl;        /* overlay:0 win1 on the top of win0;1,win0 on the top of win1 */
2428         int num_buf;    /* buffer_number */
2429         int ret;
2430         struct rk_fb_win_cfg_data win_data;
2431         unsigned int dsp_addr[4];
2432         int list_stat;
2433
2434         int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2435
2436         void __user *argp = (void __user *)arg;
2437         win = dev_drv->win[win_id];
2438         if (rk_fb->disp_mode == DUAL) {
2439                 fb_id = get_extend_fb_id(info);
2440                 extend_info = rk_fb->fb[(rk_fb->num_fb >> 1) + fb_id];
2441                 extend_dev_drv = (struct rk_lcdc_driver *)extend_info->par;
2442                 extend_win_id = dev_drv->ops->fb_get_win_id(extend_dev_drv,
2443                                                             extend_info->fix.id);
2444                 extend_win = extend_dev_drv->win[extend_win_id];
2445         }
2446
2447         switch (cmd) {
2448         case RK_FBIOSET_HWC_ADDR:
2449         {
2450                 u32 hwc_phy[1];
2451                 if (copy_from_user(hwc_phy, argp, 4))
2452                         return -EFAULT;
2453 #ifdef CONFIG_ROCKCHIP_IOMMU
2454                 if (!dev_drv->iommu_enabled) {
2455 #endif
2456                         fix->smem_start = hwc_phy[0];
2457 #ifdef CONFIG_ROCKCHIP_IOMMU
2458                 } else {
2459                         int usr_fd;
2460                         struct ion_handle *hdl;
2461                         ion_phys_addr_t phy_addr;
2462                         size_t len;
2463
2464                         usr_fd = hwc_phy[0];
2465                         if (!usr_fd) {
2466                                 fix->smem_start = 0;
2467                                 fix->mmio_start = 0;
2468                                 break;
2469                         }
2470
2471                         if (ion_hwc[0] != 0) {
2472                                 ion_free(rk_fb->ion_client, ion_hwc[0]);
2473                                 ion_hwc[0] = 0;
2474                         }
2475
2476                         hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2477                         if (IS_ERR(hdl)) {
2478                                 dev_err(info->dev, "failed to get hwc ion handle:%ld\n",
2479                                         PTR_ERR(hdl));
2480                                 return -EFAULT;
2481                         }
2482
2483                         ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2484                                                 (unsigned long *)&phy_addr,
2485                                                 (unsigned long *)&len);
2486                         if (ret < 0) {
2487                                 dev_err(info->dev, "ion map to get hwc phy addr failed");
2488                                 ion_free(rk_fb->ion_client, hdl);
2489                                 return -ENOMEM;
2490                         }
2491                         fix->smem_start = phy_addr;
2492                         ion_hwc[0] = hdl;
2493                 }
2494 #endif
2495                 break;
2496         }
2497         case RK_FBIOSET_YUV_ADDR:
2498                 {
2499                         u32 yuv_phy[2];
2500
2501                         if (copy_from_user(yuv_phy, argp, 8))
2502                                 return -EFAULT;
2503                         #ifdef CONFIG_ROCKCHIP_IOMMU
2504                         if (!dev_drv->iommu_enabled || !strcmp(info->fix.id, "fb0")) {
2505                         #endif
2506                                 fix->smem_start = yuv_phy[0];
2507                                 fix->mmio_start = yuv_phy[1];
2508                         #ifdef CONFIG_ROCKCHIP_IOMMU
2509                         } else {
2510                                 int usr_fd, offset, tmp;
2511                                 struct ion_handle *hdl;
2512                                 ion_phys_addr_t phy_addr;
2513                                 size_t len;
2514
2515                                 usr_fd = yuv_phy[0];
2516                                 offset = yuv_phy[1] - yuv_phy[0];
2517
2518                                 if (!usr_fd) {
2519                                         fix->smem_start = 0;
2520                                         fix->mmio_start = 0;
2521                                         break;
2522                                 }
2523
2524                                 if (ion_hanle[ION_MAX - 1] != 0) {
2525                                         /*ion_unmap_kernel(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);*/
2526                                         /*ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client, ion_hanle[ION_MAX - 1]);*/
2527                                         ion_free(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);
2528                                         ion_hanle[ION_MAX - 1] = 0;
2529                                 }
2530
2531                                 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2532                                 if (IS_ERR(hdl)) {
2533                                         dev_err(info->dev, "failed to get ion handle:%ld\n",
2534                                                 PTR_ERR(hdl));
2535                                         return -EFAULT;
2536                                 }
2537
2538                                 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2539                                                         (unsigned long *)&phy_addr,
2540                                                         (unsigned long *)&len);
2541                                 if (ret < 0) {
2542                                         dev_err(info->dev, "ion map to get phy addr failed");
2543                                         ion_free(rk_fb->ion_client, hdl);
2544                                         return -ENOMEM;
2545                                 }
2546                                 fix->smem_start = phy_addr;
2547                                 fix->mmio_start = phy_addr + offset;
2548                                 fix->smem_len = len;
2549                                 /*info->screen_base = ion_map_kernel(rk_fb->ion_client, hdl);*/
2550
2551                                 ion_hanle[0] = hdl;
2552                                 for (tmp = ION_MAX - 1; tmp > 0; tmp--)
2553                                         ion_hanle[tmp] = ion_hanle[tmp - 1];
2554                                 ion_hanle[0] = 0;
2555                         }
2556                         #endif
2557                         break;
2558                 }
2559         case RK_FBIOSET_ENABLE:
2560                 if (copy_from_user(&enable, argp, sizeof(enable)))
2561                         return -EFAULT;
2562                 dev_drv->ops->open(dev_drv, win_id, enable);
2563                 break;
2564         case RK_FBIOGET_ENABLE:
2565                 enable = dev_drv->ops->get_win_state(dev_drv, win_id);
2566                 if (copy_to_user(argp, &enable, sizeof(enable)))
2567                         return -EFAULT;
2568                 break;
2569         case RK_FBIOSET_OVERLAY_STA:
2570                 if (copy_from_user(&ovl, argp, sizeof(ovl)))
2571                         return -EFAULT;
2572                 dev_drv->ops->ovl_mgr(dev_drv, ovl, 1);
2573                 break;
2574         case RK_FBIOGET_OVERLAY_STA:
2575                 ovl = dev_drv->ops->ovl_mgr(dev_drv, 0, 0);
2576                 if (copy_to_user(argp, &ovl, sizeof(ovl)))
2577                         return -EFAULT;
2578                 break;
2579         case RK_FBIOPUT_NUM_BUFFERS:
2580                 if (copy_from_user(&num_buf, argp, sizeof(num_buf)))
2581                         return -EFAULT;
2582                 dev_drv->num_buf = num_buf;
2583                 break;
2584         case RK_FBIOSET_VSYNC_ENABLE:
2585                 if (copy_from_user(&enable, argp, sizeof(enable)))
2586                         return -EFAULT;
2587                 dev_drv->vsync_info.active = enable;
2588                 break;
2589
2590         case RK_FBIOGET_DSP_ADDR:
2591                 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
2592                 if (copy_to_user(argp, &dsp_addr, sizeof(dsp_addr)))
2593                         return -EFAULT;
2594                 break;
2595         case RK_FBIOGET_LIST_STA:
2596                 list_stat = rk_fb_get_list_stat(dev_drv);
2597                 if (copy_to_user(argp, &list_stat, sizeof(list_stat)))
2598                         return -EFAULT;
2599
2600                 break;
2601         case RK_FBIOGET_IOMMU_STA:
2602                 if (copy_to_user(argp, &dev_drv->iommu_enabled,
2603                                  sizeof(dev_drv->iommu_enabled)))
2604                         return -EFAULT;
2605                 break;
2606 #if defined(CONFIG_ION_ROCKCHIP)
2607         case RK_FBIOSET_DMABUF_FD:
2608                 {
2609                         int usr_fd;
2610                         struct ion_handle *hdl;
2611                         ion_phys_addr_t phy_addr;
2612                         size_t len;
2613                         if (copy_from_user(&usr_fd, argp, sizeof(usr_fd)))
2614                                 return -EFAULT;
2615                         hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2616                         ion_phys(rk_fb->ion_client, hdl, &phy_addr, &len);
2617                         fix->smem_start = phy_addr;
2618                         break;
2619                 }
2620         case RK_FBIOGET_DMABUF_FD:
2621                 {
2622                         int fd =
2623                             ion_share_dma_buf_fd(rk_fb->ion_client,
2624                                                  win->area[0].ion_hdl);
2625                         if (fd < 0) {
2626                                 dev_err(info->dev,
2627                                         "ion_share_dma_buf_fd failed\n");
2628                                 return fd;
2629                         }
2630                         if (copy_to_user(argp, &fd, sizeof(fd)))
2631                                 return -EFAULT;
2632                         break;
2633                 }
2634 #endif
2635         case RK_FBIOSET_CLEAR_FB:
2636                 memset(info->screen_base, 0, info->fix.smem_len);
2637                 break;
2638         case RK_FBIOSET_CONFIG_DONE:
2639                 {
2640                         int curr = 0;
2641                         struct timespec now;
2642
2643                         getnstimeofday(&now);
2644                         curr = now.tv_sec * 1000000 + now.tv_nsec / 1000;
2645                         cfgdone_distlist[cfgdone_index++] =
2646                             curr - cfgdone_lasttime;
2647                         /*
2648                            printk("%d ", curr - cfgdone_lasttime);
2649                          */
2650                         cfgdone_lasttime = curr;
2651                         if (cfgdone_index >= 10)
2652                                 cfgdone_index = 0;
2653                 }
2654                 if (copy_from_user(&win_data,
2655                                    (struct rk_fb_win_cfg_data __user *)argp,
2656                                    sizeof(win_data))) {
2657                         ret = -EFAULT;
2658                         break;
2659                 };
2660
2661                 dev_drv->wait_fs = win_data.wait_fs;
2662                 rk_fb_set_win_config(info, &win_data);
2663
2664                 if (copy_to_user((struct rk_fb_win_cfg_data __user *)arg,
2665                                  &win_data, sizeof(win_data))) {
2666                         ret = -EFAULT;
2667                         break;
2668                 }
2669                 memset(&win_data, 0, sizeof(struct rk_fb_win_cfg_data));
2670                 break;
2671         default:
2672                 dev_drv->ops->ioctl(dev_drv, cmd, arg, win_id);
2673                 break;
2674         }
2675
2676         return 0;
2677 }
2678
2679 static int rk_fb_blank(int blank_mode, struct fb_info *info)
2680 {
2681         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
2682         struct fb_fix_screeninfo *fix = &info->fix;
2683         int win_id;
2684 #if defined(CONFIG_RK_HDMI)
2685         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2686 #endif
2687
2688         win_id = dev_drv->ops->fb_get_win_id(dev_drv, fix->id);
2689         if (win_id < 0)
2690                 return -ENODEV;
2691 #if defined(CONFIG_RK_HDMI)
2692         if ((rk_fb->disp_mode == ONE_DUAL) &&
2693             (hdmi_get_hotplug() == HDMI_HPD_ACTIVED)) {
2694                 printk(KERN_INFO "hdmi is connect , not blank lcdc\n");
2695         } else
2696 #endif
2697         {
2698                 dev_drv->ops->blank(dev_drv, win_id, blank_mode);
2699         }
2700         return 0;
2701 }
2702
2703 static int rk_fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
2704 {
2705         if ((0 == var->xres_virtual) || (0 == var->yres_virtual) ||
2706             (0 == var->xres) || (0 == var->yres) || (var->xres < 16) ||
2707             ((16 != var->bits_per_pixel) &&
2708             (32 != var->bits_per_pixel) &&
2709             (24 != var->bits_per_pixel))) {
2710                 dev_err(info->dev, "%s check var fail 1:\n"
2711                         "xres_vir:%d>>yres_vir:%d\n"
2712                         "xres:%d>>yres:%d\n"
2713                         "bits_per_pixel:%d\n",
2714                         info->fix.id,
2715                         var->xres_virtual,
2716                         var->yres_virtual,
2717                         var->xres, var->yres, var->bits_per_pixel);
2718                 return -EINVAL;
2719         }
2720
2721         if (((var->xoffset + var->xres) > var->xres_virtual) ||
2722             ((var->yoffset + var->yres) > (var->yres_virtual))) {
2723                 dev_err(info->dev, "%s check_var fail 2:\n"
2724                         "xoffset:%d>>xres:%d>>xres_vir:%d\n"
2725                         "yoffset:%d>>yres:%d>>yres_vir:%d\n",
2726                         info->fix.id,
2727                         var->xoffset,
2728                         var->xres,
2729                         var->xres_virtual,
2730                         var->yoffset, var->yres, var->yres_virtual);
2731                 return -EINVAL;
2732         }
2733
2734         return 0;
2735 }
2736
2737 static ssize_t rk_fb_read(struct fb_info *info, char __user *buf,
2738                           size_t count, loff_t *ppos)
2739 {
2740         unsigned long p = *ppos;
2741         u8 *buffer, *dst;
2742         u8 __iomem *src;
2743         int c, cnt = 0, err = 0;
2744         unsigned long total_size;
2745         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
2746         struct rk_lcdc_win *win = NULL;
2747         int win_id = 0;
2748
2749         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2750         if (win_id < 0)
2751                 return -ENODEV;
2752         else
2753                 win = dev_drv->win[win_id];
2754
2755         /* only read the current frame buffer */
2756         if (win->format == RGB565) {
2757                 total_size = win->area[0].y_vir_stride * win->area[0].yact << 1;
2758         } else if (win->format == YUV420) {
2759                 total_size =
2760                     (win->area[0].y_vir_stride * win->area[0].yact * 6);
2761         } else {
2762                 total_size = win->area[0].y_vir_stride * win->area[0].yact << 2;
2763         }
2764         if (p >= total_size)
2765                 return 0;
2766
2767         if (count >= total_size)
2768                 count = total_size;
2769
2770         if (count + p > total_size)
2771                 count = total_size - p;
2772
2773         buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
2774         if (!buffer)
2775                 return -ENOMEM;
2776
2777         src = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
2778
2779         while (count) {
2780                 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
2781                 dst = buffer;
2782                 fb_memcpy_fromfb(dst, src, c);
2783                 dst += c;
2784                 src += c;
2785
2786                 if (copy_to_user(buf, buffer, c)) {
2787                         err = -EFAULT;
2788                         break;
2789                 }
2790                 *ppos += c;
2791                 buf += c;
2792                 cnt += c;
2793                 count -= c;
2794         }
2795
2796         kfree(buffer);
2797
2798         return (err) ? err : cnt;
2799 }
2800
2801 static ssize_t rk_fb_write(struct fb_info *info, const char __user *buf,
2802                            size_t count, loff_t *ppos)
2803 {
2804         unsigned long p = *ppos;
2805         u8 *buffer, *src;
2806         u8 __iomem *dst;
2807         int c, cnt = 0, err = 0;
2808         unsigned long total_size;
2809         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
2810         struct rk_lcdc_win *win = NULL;
2811         int win_id = 0;
2812
2813         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2814         if (win_id < 0)
2815                 return -ENODEV;
2816         else
2817                 win = dev_drv->win[win_id];
2818
2819         /* write the current frame buffer */
2820         if (win->format == RGB565)
2821                 total_size = win->area[0].xact * win->area[0].yact << 1;
2822         else
2823                 total_size = win->area[0].xact * win->area[0].yact << 2;
2824
2825         if (p > total_size)
2826                 return -EFBIG;
2827
2828         if (count > total_size) {
2829                 err = -EFBIG;
2830                 count = total_size;
2831         }
2832
2833         if (count + p > total_size) {
2834                 if (!err)
2835                         err = -ENOSPC;
2836
2837                 count = total_size - p;
2838         }
2839
2840         buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
2841         if (!buffer)
2842                 return -ENOMEM;
2843
2844         dst = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
2845
2846         while (count) {
2847                 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
2848                 src = buffer;
2849
2850                 if (copy_from_user(src, buf, c)) {
2851                         err = -EFAULT;
2852                         break;
2853                 }
2854
2855                 fb_memcpy_tofb(dst, src, c);
2856                 dst += c;
2857                 src += c;
2858                 *ppos += c;
2859                 buf += c;
2860                 cnt += c;
2861                 count -= c;
2862         }
2863
2864         kfree(buffer);
2865
2866         return (cnt) ? cnt : err;
2867 }
2868
2869 /*
2870  * function: update extend info acorrding to primary info that only used for dual display mode
2871  * @ext_info: the fb_info of extend screen
2872  * @info: the fb_info of primary screen
2873  * @update_buffer: whether to update extend info buffer, 0: no;1: yes
2874  */
2875 static int rk_fb_update_ext_info(struct fb_info *ext_info,
2876                                         struct fb_info *info, int update_buffer)
2877 {
2878         struct rk_fb *rk_fb =  platform_get_drvdata(fb_pdev);
2879         struct rk_lcdc_driver *dev_drv = NULL;
2880         struct rk_lcdc_driver *ext_dev_drv = NULL;
2881         struct rk_lcdc_win *win = NULL;
2882         struct rk_lcdc_win *ext_win = NULL;
2883         int win_id = 0, ext_win_id = 0;
2884
2885         if (rk_fb->disp_mode != DUAL || info == ext_info)
2886                 return 0;
2887         if (unlikely(!info) || unlikely(!ext_info))
2888                 return -1;
2889
2890         dev_drv = (struct rk_lcdc_driver *)info->par;
2891         ext_dev_drv = (struct rk_lcdc_driver *)ext_info->par;
2892         if (unlikely(!dev_drv) || unlikely(!ext_dev_drv))
2893                 return -1;
2894
2895         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2896         win = dev_drv->win[win_id];
2897         ext_win_id = ext_dev_drv->ops->fb_get_win_id(ext_dev_drv,
2898                                                      ext_info->fix.id);
2899         ext_win = ext_dev_drv->win[ext_win_id];
2900
2901         rk_fb_update_ext_win(ext_dev_drv, dev_drv, ext_win, win);
2902         if (update_buffer) {
2903                 rk_fb_set_ext_win_buffer(ext_win, win, ext_dev_drv->rotate_mode,
2904                                          ext_dev_drv->iommu_enabled);
2905
2906                 /* update extend info display address */
2907                 ext_info->fix.smem_start = ext_win->area[0].smem_start;
2908                 ext_info->fix.mmio_start = ext_win->area[0].cbr_start;
2909
2910                 if (ext_dev_drv->rotate_mode > X_Y_MIRROR)
2911                         rk_fb_rotate(ext_info, info);
2912         }
2913
2914         /* update extend info */
2915         ext_info->var.xres = ext_win->area[0].xact;
2916         ext_info->var.yres = ext_win->area[0].yact;
2917         ext_info->var.xres_virtual = ext_win->area[0].xvir;
2918         ext_info->var.yres_virtual = ext_win->area[0].yvir;
2919
2920         /* config same data format */
2921         ext_info->var.nonstd &= 0xffffff00;
2922         ext_info->var.nonstd |= (info->var.nonstd & 0xff);
2923
2924         ext_info->var.nonstd &= 0xff;
2925         ext_info->var.nonstd |=
2926                 (ext_win->area[0].xpos << 8) + (ext_win->area[0].ypos << 20);
2927
2928         ext_info->var.grayscale &= 0xff;
2929         ext_info->var.grayscale |=
2930                 (ext_win->area[0].xsize << 8) + (ext_win->area[0].ysize << 20);
2931
2932         return 0;
2933 }
2934
2935 static int rk_fb_set_par(struct fb_info *info)
2936 {
2937         struct fb_var_screeninfo *var = &info->var;
2938         struct fb_fix_screeninfo *fix = &info->fix;
2939         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
2940         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2941         int fb_id, extend_win_id = 0;
2942         struct fb_info *extend_info = NULL;
2943         struct rk_lcdc_driver *extend_dev_drv = NULL;
2944         struct rk_lcdc_win *extend_win = NULL;
2945         struct rk_lcdc_win *win = NULL;
2946         struct rk_screen *screen = dev_drv->cur_screen;
2947         int win_id = 0;
2948         u32 cblen = 0, crlen = 0;
2949         u16 xsize = 0, ysize = 0;       /* winx display window height/width --->LCDC_WINx_DSP_INFO */
2950         u32 xoffset = var->xoffset;     /* offset from virtual to visible */
2951         u32 yoffset = var->yoffset;
2952         u16 xpos = (var->nonstd >> 8) & 0xfff;  /*visiable pos in panel */
2953         u16 ypos = (var->nonstd >> 20) & 0xfff;
2954         u32 xvir = var->xres_virtual;
2955         u32 yvir = var->yres_virtual;
2956         u8 data_format = var->nonstd & 0xff;
2957         u8 fb_data_fmt;
2958         u8 pixel_width;
2959         u32 vir_width_bit;
2960         u32 stride, uv_stride;
2961         u32 stride_32bit_1;
2962         u32 stride_32bit_2;
2963         u16 uv_x_off, uv_y_off, uv_y_act;
2964         u8 is_pic_yuv = 0;
2965
2966         var->pixclock = dev_drv->pixclock;
2967         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2968         if (win_id < 0)
2969                 return -ENODEV;
2970         else
2971                 win = dev_drv->win[win_id];
2972
2973         if (rk_fb->disp_mode == DUAL) {
2974                 fb_id = get_extend_fb_id(info);
2975                 extend_info = rk_fb->fb[(rk_fb->num_fb >> 1) + fb_id];
2976                 extend_dev_drv = (struct rk_lcdc_driver *)extend_info->par;
2977                 extend_win_id = dev_drv->ops->fb_get_win_id(extend_dev_drv,
2978                                                             extend_info->fix.id);
2979                 extend_win = extend_dev_drv->win[extend_win_id];
2980         }
2981
2982         /* if the application has specific the horizontal and vertical display size */
2983         if (var->grayscale >> 8) {
2984                 xsize = (var->grayscale >> 8) & 0xfff;
2985                 ysize = (var->grayscale >> 20) & 0xfff;
2986                 if (xsize > screen->mode.xres)
2987                         xsize = screen->mode.xres;
2988                 if (ysize > screen->mode.yres)
2989                         ysize = screen->mode.yres;
2990         } else {                /*ohterwise  full  screen display */
2991                 xsize = screen->mode.xres;
2992                 ysize = screen->mode.yres;
2993         }
2994
2995         fb_data_fmt = rk_fb_data_fmt(data_format, var->bits_per_pixel);
2996         pixel_width = rk_fb_pixel_width(fb_data_fmt);
2997         vir_width_bit = pixel_width * xvir;
2998         /* pixel_width = byte_num * 8 */
2999         stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
3000         stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
3001
3002         switch (fb_data_fmt) {
3003         case YUV422:
3004         case YUV422_A:
3005                 is_pic_yuv = 1;
3006                 stride = stride_32bit_1;
3007                 uv_stride = stride_32bit_1 >> 1;
3008                 uv_x_off = xoffset >> 1;
3009                 uv_y_off = yoffset;
3010                 fix->line_length = stride;
3011                 cblen = crlen = (xvir * yvir) >> 1;
3012                 uv_y_act = win->area[0].yact >> 1;
3013                 break;
3014         case YUV420:            /* 420sp */
3015         case YUV420_A:
3016                 is_pic_yuv = 1;
3017                 stride = stride_32bit_1;
3018                 uv_stride = stride_32bit_1;
3019                 uv_x_off = xoffset;
3020                 uv_y_off = yoffset >> 1;
3021                 fix->line_length = stride;
3022                 cblen = crlen = (xvir * yvir) >> 2;
3023                 uv_y_act = win->area[0].yact >> 1;
3024                 break;
3025         case YUV444:
3026         case YUV444_A:
3027                 is_pic_yuv = 1;
3028                 stride = stride_32bit_1;
3029                 uv_stride = stride_32bit_2;
3030                 uv_x_off = xoffset * 2;
3031                 uv_y_off = yoffset;
3032                 fix->line_length = stride << 2;
3033                 cblen = crlen = (xvir * yvir);
3034                 uv_y_act = win->area[0].yact;
3035                 break;
3036         default:
3037                 stride = stride_32bit_1;        /* default rgb */
3038                 fix->line_length = stride;
3039                 break;
3040         }
3041
3042         /* x y mirror ,jump line */
3043         if (screen->y_mirror == 1) {
3044                 if (screen->interlace == 1) {
3045                         win->area[0].y_offset = yoffset * stride * 2 +
3046                             ((win->area[0].yact - 1) * 2 + 1) * stride +
3047                             xoffset * pixel_width / 8;
3048                 } else {
3049                         win->area[0].y_offset = yoffset * stride +
3050                             (win->area[0].yact - 1) * stride +
3051                             xoffset * pixel_width / 8;
3052                 }
3053         } else {
3054                 if (screen->interlace == 1) {
3055                         win->area[0].y_offset =
3056                             yoffset * stride * 2 + xoffset * pixel_width / 8;
3057                 } else {
3058                         win->area[0].y_offset =
3059                             yoffset * stride + xoffset * pixel_width / 8;
3060                 }
3061         }
3062         if (is_pic_yuv == 1) {
3063                 if (screen->y_mirror == 1) {
3064                         if (screen->interlace == 1) {
3065                                 win->area[0].c_offset =
3066                                     uv_y_off * uv_stride * 2 +
3067                                     ((uv_y_act - 1) * 2 + 1) * uv_stride +
3068                                     uv_x_off * pixel_width / 8;
3069                         } else {
3070                                 win->area[0].c_offset = uv_y_off * uv_stride +
3071                                     (uv_y_act - 1) * uv_stride +
3072                                     uv_x_off * pixel_width / 8;
3073                         }
3074                 } else {
3075                         if (screen->interlace == 1) {
3076                                 win->area[0].c_offset =
3077                                     uv_y_off * uv_stride * 2 +
3078                                     uv_x_off * pixel_width / 8;
3079                         } else {
3080                                 win->area[0].c_offset =
3081                                     uv_y_off * uv_stride +
3082                                     uv_x_off * pixel_width / 8;
3083                         }
3084                 }
3085         }
3086
3087         win->format = fb_data_fmt;
3088         win->area[0].y_vir_stride = stride >> 2;
3089         win->area[0].uv_vir_stride = uv_stride >> 2;
3090         win->area[0].xpos = xpos;
3091         win->area[0].ypos = ypos;
3092         win->area[0].xsize = xsize;
3093         win->area[0].ysize = ysize;
3094         win->area[0].xact = var->xres;  /* winx active window height,is a wint of vir */
3095         win->area[0].yact = var->yres;
3096         win->area[0].xvir = var->xres_virtual;  /* virtual resolution  stride --->LCDC_WINx_VIR */
3097         win->area[0].yvir = var->yres_virtual;
3098
3099         win->area_num = 1;
3100         win->alpha_mode = 4;    /* AB_SRC_OVER; */
3101         win->alpha_en = ((win->format == ARGB888) ||
3102                          (win->format == ABGR888)) ? 1 : 0;
3103         win->g_alpha_val = 0;
3104
3105         if (rk_fb->disp_mode == DUAL) {
3106                 if (extend_win->state && hdmi_switch_complete) {
3107                         if (info != extend_info) {
3108                                 rk_fb_update_ext_win(extend_dev_drv, dev_drv,
3109                                                      extend_win, win);
3110                                 extend_dev_drv->ops->set_par(extend_dev_drv,
3111                                                              extend_win_id);
3112                         }
3113                 }
3114         }
3115         dev_drv->ops->set_par(dev_drv, win_id);
3116
3117         return 0;
3118 }
3119
3120 static inline unsigned int chan_to_field(unsigned int chan,
3121                                          struct fb_bitfield *bf)
3122 {
3123         chan &= 0xffff;
3124         chan >>= 16 - bf->length;
3125         return chan << bf->offset;
3126 }
3127
3128 static int fb_setcolreg(unsigned regno,
3129                         unsigned red, unsigned green, unsigned blue,
3130                         unsigned transp, struct fb_info *info)
3131 {
3132         unsigned int val;
3133
3134         switch (info->fix.visual) {
3135         case FB_VISUAL_TRUECOLOR:
3136                 /* true-colour, use pseudo-palette */
3137                 if (regno < 16) {
3138                         u32 *pal = info->pseudo_palette;
3139                         val = chan_to_field(red, &info->var.red);
3140                         val |= chan_to_field(green, &info->var.green);
3141                         val |= chan_to_field(blue, &info->var.blue);
3142                         pal[regno] = val;
3143                 }
3144                 break;
3145         default:
3146                 return -1;      /* unknown type */
3147         }
3148
3149         return 0;
3150 }
3151
3152 static int rk_fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
3153 {
3154         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3155         struct ion_handle *handle = (struct ion_handle *)info->var.reserved[0];
3156         struct dma_buf *dma_buf = NULL;
3157
3158         if (IS_ERR(handle)) {
3159                 dev_err(info->device, "failed to get ion handle:%ld\n",
3160                         PTR_ERR(handle));
3161                 return -ENOMEM;
3162         }
3163         dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3164         if (IS_ERR_OR_NULL(dma_buf)) {
3165                 printk("get ion share dma buf failed\n");
3166                 return -ENOMEM;
3167         }
3168
3169         vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
3170
3171         return dma_buf_mmap(dma_buf, vma, 0);
3172 }
3173
3174 static struct fb_ops fb_ops = {
3175         .owner = THIS_MODULE,
3176         .fb_open = rk_fb_open,
3177         .fb_release = rk_fb_close,
3178         .fb_check_var = rk_fb_check_var,
3179         .fb_set_par = rk_fb_set_par,
3180         .fb_blank = rk_fb_blank,
3181         .fb_ioctl = rk_fb_ioctl,
3182         .fb_pan_display = rk_fb_pan_display,
3183         .fb_read = rk_fb_read,
3184         .fb_write = rk_fb_write,
3185         .fb_setcolreg = fb_setcolreg,
3186         .fb_fillrect = cfb_fillrect,
3187         .fb_copyarea = cfb_copyarea,
3188         .fb_imageblit = cfb_imageblit,
3189 };
3190
3191 static struct fb_var_screeninfo def_var = {
3192 #if defined(CONFIG_LOGO_LINUX_BMP)
3193         .red = {16, 8, 0},
3194         .green = {8, 8, 0},
3195         .blue = {0, 8, 0},
3196         .transp = {0, 0, 0},
3197         .nonstd = HAL_PIXEL_FORMAT_BGRA_8888,
3198 #else
3199         .red = {11, 5, 0},
3200         .green = {5, 6, 0},
3201         .blue = {0, 5, 0},
3202         .transp = {0, 0, 0},
3203         .nonstd = HAL_PIXEL_FORMAT_RGB_565,     /* (ypos<<20+xpos<<8+format) format */
3204 #endif
3205         .grayscale = 0,         /* (ysize<<20+xsize<<8) */
3206         .activate = FB_ACTIVATE_NOW,
3207         .accel_flags = 0,
3208         .vmode = FB_VMODE_NONINTERLACED,
3209 };
3210
3211 static struct fb_fix_screeninfo def_fix = {
3212         .type = FB_TYPE_PACKED_PIXELS,
3213         .type_aux = 0,
3214         .xpanstep = 1,
3215         .ypanstep = 1,
3216         .ywrapstep = 0,
3217         .accel = FB_ACCEL_NONE,
3218         .visual = FB_VISUAL_TRUECOLOR,
3219
3220 };
3221
3222 static int rk_fb_wait_for_vsync_thread(void *data)
3223 {
3224         struct rk_lcdc_driver *dev_drv = data;
3225         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3226         struct fb_info *fbi = rk_fb->fb[0];
3227
3228         while (!kthread_should_stop()) {
3229                 ktime_t timestamp = dev_drv->vsync_info.timestamp;
3230                 int ret = wait_event_interruptible(dev_drv->vsync_info.wait,
3231                                 !ktime_equal(timestamp, dev_drv->vsync_info.timestamp) &&
3232                                 (dev_drv->vsync_info.active || dev_drv->vsync_info.irq_stop));
3233
3234                 if (!ret)
3235                         sysfs_notify(&fbi->dev->kobj, NULL, "vsync");
3236         }
3237
3238         return 0;
3239 }
3240
3241 static ssize_t rk_fb_vsync_show(struct device *dev,
3242                                 struct device_attribute *attr, char *buf)
3243 {
3244         struct fb_info *fbi = dev_get_drvdata(dev);
3245         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)fbi->par;
3246         return scnprintf(buf, PAGE_SIZE, "%llu\n",
3247                          ktime_to_ns(dev_drv->vsync_info.timestamp));
3248 }
3249
3250 static DEVICE_ATTR(vsync, S_IRUGO, rk_fb_vsync_show, NULL);
3251
3252 /*
3253  * this two function is for other module that in the kernel which
3254  * need show image directly through fb
3255  * fb_id:we have 4 fb here,default we use fb0 for ui display
3256  */
3257 struct fb_info *rk_get_fb(int fb_id)
3258 {
3259         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3260         struct fb_info *fb = inf->fb[fb_id];
3261         return fb;
3262 }
3263 EXPORT_SYMBOL(rk_get_fb);
3264
3265 void rk_direct_fb_show(struct fb_info *fbi)
3266 {
3267         rk_fb_set_par(fbi);
3268         rk_fb_pan_display(&fbi->var, fbi);
3269 }
3270 EXPORT_SYMBOL(rk_direct_fb_show);
3271
3272 int rk_fb_dpi_open(bool open)
3273 {
3274         struct rk_lcdc_driver *dev_drv = NULL;
3275         dev_drv = rk_get_prmry_lcdc_drv();
3276
3277         if (dev_drv->ops->dpi_open)
3278                 dev_drv->ops->dpi_open(dev_drv, open);
3279         return 0;
3280 }
3281
3282 int rk_fb_dpi_win_sel(int win_id)
3283 {
3284         struct rk_lcdc_driver *dev_drv = NULL;
3285         dev_drv = rk_get_prmry_lcdc_drv();
3286
3287         if (dev_drv->ops->dpi_win_sel)
3288                 dev_drv->ops->dpi_win_sel(dev_drv, win_id);
3289         return 0;
3290 }
3291
3292 int rk_fb_dpi_status(void)
3293 {
3294         int ret = 0;
3295         struct rk_lcdc_driver *dev_drv = NULL;
3296
3297         dev_drv = rk_get_prmry_lcdc_drv();
3298         if (dev_drv->ops->dpi_status)
3299                 ret = dev_drv->ops->dpi_status(dev_drv);
3300
3301         return ret;
3302 }
3303
3304 /*
3305  * function: this function will be called by display device, enable/disable lcdc
3306  * @screen: screen timing to be set to lcdc
3307  * @enable: 0 disable lcdc; 1 enable change lcdc timing; 2 just enable dclk
3308  * @lcdc_id: the lcdc id the display device attached ,0 or 1
3309  */
3310 int rk_fb_switch_screen(struct rk_screen *screen, int enable, int lcdc_id)
3311 {
3312         struct rk_fb *rk_fb =  platform_get_drvdata(fb_pdev);
3313         struct fb_info *info = NULL;
3314         struct fb_info *pmy_info = NULL;
3315         struct rk_lcdc_driver *dev_drv = NULL;
3316         struct rk_lcdc_driver *pmy_dev_drv = rk_get_prmry_lcdc_drv();
3317         char name[6] = {0};
3318         int i, win_id, load_screen = 0;
3319
3320         if (unlikely(!rk_fb) || unlikely(!pmy_dev_drv) || unlikely(!screen))
3321                 return -ENODEV;
3322
3323         /* get lcdc driver */
3324         sprintf(name, "lcdc%d", lcdc_id);
3325         if (rk_fb->disp_mode != DUAL)
3326                 dev_drv = rk_fb->lcdc_dev_drv[0];
3327         else
3328                 dev_drv = rk_get_lcdc_drv(name);
3329
3330         if (dev_drv == NULL) {
3331                 printk(KERN_ERR "%s driver not found!", name);
3332                 return -ENODEV;
3333         }
3334         if (screen->type == SCREEN_HDMI)
3335                 printk("hdmi %s lcdc%d\n", enable ? "connect to" : "remove from",
3336                         dev_drv->id);
3337         else if (screen->type == SCREEN_TVOUT)
3338                 printk("cvbs %s lcdc%d\n", enable ? "connect to" : "remove from",
3339                         dev_drv->id);
3340
3341         if (enable == 2 /*&& dev_drv->enable*/)
3342                 return 0;
3343
3344         if (rk_fb->disp_mode == ONE_DUAL) {
3345                 if (dev_drv->trsm_ops && dev_drv->trsm_ops->disable)
3346                         dev_drv->trsm_ops->disable();
3347                 if (dev_drv->ops->set_screen_scaler)
3348                         dev_drv->ops->set_screen_scaler(dev_drv, dev_drv->screen0, 0);
3349         }
3350
3351         if (!enable) {
3352                 /* if screen type is different, we do not disable lcdc. */
3353                 if (dev_drv->cur_screen->type != screen->type)
3354                         return 0;
3355
3356                 /* if used one lcdc to dual disp, no need to close win */
3357                 if (rk_fb->disp_mode == ONE_DUAL) {
3358                         dev_drv->cur_screen = dev_drv->screen0;
3359                         dev_drv->ops->load_screen(dev_drv, 1);
3360                         if (dev_drv->trsm_ops && dev_drv->trsm_ops->enable)
3361                                 dev_drv->trsm_ops->enable();
3362                 } else if (rk_fb->num_lcdc > 1) {
3363                         /* If there is more than one lcdc device, we disable
3364                            the layer which attached to this device */
3365                         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3366                                 if (dev_drv->win[i] && dev_drv->win[i]->state)
3367                                         dev_drv->ops->open(dev_drv, i, 0);
3368                         }
3369                 }
3370
3371                 hdmi_switch_complete = 0;
3372                 return 0;
3373         } else {
3374                 if (dev_drv->screen1)
3375                         dev_drv->cur_screen = dev_drv->screen1;
3376                 memcpy(dev_drv->cur_screen, screen, sizeof(struct rk_screen));
3377                 dev_drv->cur_screen->xsize = dev_drv->cur_screen->mode.xres;
3378                 dev_drv->cur_screen->ysize = dev_drv->cur_screen->mode.yres;
3379                 dev_drv->cur_screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3380                 dev_drv->cur_screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3381         }
3382
3383         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3384                 info = rk_fb->fb[dev_drv->fb_index_base + i];
3385                 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3386                 if (dev_drv->win[win_id]) {
3387                         if (rk_fb->disp_mode == DUAL) {
3388                                 if (dev_drv != pmy_dev_drv &&
3389                                                 pmy_dev_drv->win[win_id]) {
3390                                         dev_drv->win[win_id]->logicalstate =
3391                                                 pmy_dev_drv->win[win_id]->logicalstate;
3392                                         pmy_info = rk_fb->fb[pmy_dev_drv->fb_index_base + i];
3393                                 }
3394                         }
3395                         if (dev_drv->win[win_id]->logicalstate) {
3396                                 if (!dev_drv->win[win_id]->state)
3397                                         dev_drv->ops->open(dev_drv, win_id, 1);
3398                                 if (!load_screen) {
3399                                         dev_drv->ops->load_screen(dev_drv, 1);
3400                                         load_screen = 1;
3401                                 }
3402                                 info->var.activate |= FB_ACTIVATE_FORCE;
3403                                 if (rk_fb->disp_mode == DUAL)
3404                                         rk_fb_update_ext_info(info, pmy_info, 1);
3405                                 info->fbops->fb_set_par(info);
3406                                 info->fbops->fb_pan_display(&info->var, info);
3407                         }
3408                 }
3409         }
3410
3411         hdmi_switch_complete = 1;
3412         if (rk_fb->disp_mode == ONE_DUAL) {
3413                 if (dev_drv->ops->set_screen_scaler)
3414                         dev_drv->ops->set_screen_scaler(dev_drv, dev_drv->screen0, 1);
3415                 if (dev_drv->trsm_ops && dev_drv->trsm_ops->enable)
3416                         dev_drv->trsm_ops->enable();
3417         }
3418         return 0;
3419 }
3420
3421 /*
3422  * function:this function current only called by hdmi for
3423  *      scale the display
3424  * scale_x: scale rate of x resolution
3425  * scale_y: scale rate of y resolution
3426  * lcdc_id: the lcdc id the hdmi attached ,0 or 1
3427  */
3428 int rk_fb_disp_scale(u8 scale_x, u8 scale_y, u8 lcdc_id)
3429 {
3430         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3431         struct fb_info *info = NULL;
3432         struct fb_info *pmy_info = NULL;
3433         struct fb_var_screeninfo *var = NULL;
3434         struct rk_lcdc_driver *dev_drv = NULL;
3435         u16 screen_x, screen_y;
3436         u16 xpos, ypos;
3437         char name[6];
3438         struct rk_screen primary_screen;
3439         rk_fb_get_prmry_screen(&primary_screen);
3440         if (primary_screen.type == SCREEN_HDMI) {
3441                 return 0;
3442         }
3443
3444         sprintf(name, "lcdc%d", lcdc_id);
3445
3446         if (inf->disp_mode == DUAL) {
3447                 dev_drv = rk_get_lcdc_drv(name);
3448                 if (dev_drv == NULL) {
3449                         printk(KERN_ERR "%s driver not found!", name);
3450                         return -ENODEV;
3451                 }
3452         } else {
3453                 dev_drv = inf->lcdc_dev_drv[0];
3454         }
3455
3456         if (inf->num_lcdc == 1) {
3457                 info = inf->fb[0];
3458         } else if (inf->num_lcdc == 2) {
3459                 info = inf->fb[dev_drv->lcdc_win_num];
3460                 pmy_info = inf->fb[0];
3461         }
3462
3463         var = &info->var;
3464         screen_x = dev_drv->cur_screen->mode.xres;
3465         screen_y = dev_drv->cur_screen->mode.yres;
3466
3467         if (inf->disp_mode != DUAL && dev_drv->screen1) {
3468                 dev_drv->cur_screen->xpos =
3469                     (screen_x - screen_x * scale_x / 100) >> 1;
3470                 dev_drv->cur_screen->ypos =
3471                     (screen_y - screen_y * scale_y / 100) >> 1;
3472                 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3473                 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3474         } else {
3475                 xpos = (screen_x - screen_x * scale_x / 100) >> 1;
3476                 ypos = (screen_y - screen_y * scale_y / 100) >> 1;
3477                 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3478                 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3479                 if (inf->disp_mode == DUAL) {
3480                         rk_fb_update_ext_info(info, pmy_info, 0);
3481                 } else {
3482                         var->nonstd &= 0xff;
3483                         var->nonstd |= (xpos << 8) + (ypos << 20);
3484                         var->grayscale &= 0xff;
3485                         var->grayscale |=
3486                                 (dev_drv->cur_screen->xsize << 8) +
3487                                 (dev_drv->cur_screen->ysize << 20);
3488                 }
3489         }
3490
3491         info->fbops->fb_set_par(info);
3492         /* info->fbops->fb_ioctl(info, RK_FBIOSET_CONFIG_DONE, 0); */
3493         dev_drv->ops->cfg_done(dev_drv);
3494         return 0;
3495 }
3496
3497 #if defined(CONFIG_ION_ROCKCHIP)
3498 static int rk_fb_alloc_buffer_by_ion(struct fb_info *fbi,
3499                                      struct rk_lcdc_win *win,
3500                                      unsigned long fb_mem_size)
3501 {
3502         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3503         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)fbi->par;
3504         struct ion_handle *handle;
3505         ion_phys_addr_t phy_addr;
3506         size_t len;
3507         int ret = 0;
3508
3509         if (dev_drv->iommu_enabled)
3510                 handle = ion_alloc(rk_fb->ion_client, (size_t) fb_mem_size, 0,
3511                                    ION_HEAP(ION_VMALLOC_HEAP_ID), 0);
3512         else
3513                 handle = ion_alloc(rk_fb->ion_client, (size_t) fb_mem_size, 0,
3514                                    ION_HEAP(ION_CMA_HEAP_ID), 0);
3515         if (IS_ERR(handle)) {
3516                 dev_err(fbi->device, "failed to ion_alloc:%ld\n",
3517                         PTR_ERR(handle));
3518                 return -ENOMEM;
3519         }
3520         fbi->var.reserved[0] = (__u32)handle;
3521         win->area[0].dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3522         if (IS_ERR_OR_NULL(win->area[0].dma_buf)) {
3523                 printk("ion_share_dma_buf() failed\n");
3524                 goto err_share_dma_buf;
3525         }
3526         win->area[0].ion_hdl = handle;
3527         if (dev_drv->prop == PRMRY)
3528                 fbi->screen_base = ion_map_kernel(rk_fb->ion_client, handle);
3529 #ifdef CONFIG_ROCKCHIP_IOMMU
3530         if (dev_drv->iommu_enabled)
3531                 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, handle,
3532                                         (unsigned long *)&phy_addr,
3533                                         (unsigned long *)&len);
3534         else
3535                 ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3536 #else
3537         ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3538 #endif
3539         if (ret < 0) {
3540                 dev_err(fbi->dev, "ion map to get phy addr failed\n");
3541                 goto err_share_dma_buf;
3542         }
3543         fbi->fix.smem_start = phy_addr;
3544         fbi->fix.smem_len = len;
3545         if (dev_drv->prop == PRMRY)
3546                 rk_fb->fb_phy_base = phy_addr;
3547         else
3548                 rk_fb->ext_fb_phy_base = phy_addr;
3549         printk(KERN_INFO "alloc_buffer:ion_phy_addr=0x%lx\n", phy_addr);
3550         return 0;
3551
3552 err_share_dma_buf:
3553         ion_free(rk_fb->ion_client, handle);
3554         return -ENOMEM;
3555 }
3556 #endif
3557
3558 static int rk_fb_alloc_buffer(struct fb_info *fbi, int fb_id)
3559 {
3560         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3561         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)fbi->par;
3562         struct rk_lcdc_win *win = NULL;
3563         int win_id;
3564         int ret = 0;
3565         unsigned long fb_mem_size;
3566 #if !defined(CONFIG_ION_ROCKCHIP)
3567         dma_addr_t fb_mem_phys;
3568         void *fb_mem_virt;
3569 #endif
3570
3571         win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
3572         if (win_id < 0)
3573                 return -ENODEV;
3574         else
3575                 win = dev_drv->win[win_id];
3576
3577         if (!strcmp(fbi->fix.id, "fb0")) {
3578                 fb_mem_size = get_fb_size();
3579 #if defined(CONFIG_ION_ROCKCHIP)
3580                 if (rk_fb_alloc_buffer_by_ion(fbi, win, fb_mem_size) < 0)
3581                         return -ENOMEM;
3582 #else
3583                 fb_mem_virt = dma_alloc_writecombine(fbi->dev, fb_mem_size,
3584                                                      &fb_mem_phys, GFP_KERNEL);
3585                 if (!fb_mem_virt) {
3586                         pr_err("%s: Failed to allocate framebuffer\n",
3587                                __func__);
3588                         return -ENOMEM;
3589                 }
3590                 fbi->fix.smem_len = fb_mem_size;
3591                 fbi->fix.smem_start = fb_mem_phys;
3592                 fbi->screen_base = fb_mem_virt;
3593                 rk_fb->fb_phy_base = fb_mem_phys;
3594 #endif
3595                 memset(fbi->screen_base, 0, fbi->fix.smem_len);
3596                 printk(KERN_INFO "fb%d:phy:%lx>>vir:%p>>len:0x%x\n", fb_id,
3597                        fbi->fix.smem_start, fbi->screen_base,
3598                        fbi->fix.smem_len);
3599         } else {
3600                 if (dev_drv->rotate_mode > X_Y_MIRROR) {
3601                         fb_mem_size = get_rotate_fb_size();
3602 #if defined(CONFIG_ION_ROCKCHIP)
3603                         if (rk_fb_alloc_buffer_by_ion(fbi, win, fb_mem_size) < 0)
3604                                 return -ENOMEM;
3605 #else
3606                         fb_mem_virt =
3607                                 dma_alloc_writecombine(fbi->dev,
3608                                                        fb_mem_size,
3609                                                        &fb_mem_phys,
3610                                                        GFP_KERNEL);
3611                         if (!fb_mem_virt) {
3612                                 pr_err("%s: Failed to allocate framebuffer\n",
3613                                         __func__);
3614                                 return -ENOMEM;
3615                         }
3616                         fbi->fix.smem_len = fb_mem_size;
3617                         fbi->fix.smem_start = fb_mem_phys;
3618                         fbi->screen_base = fb_mem_virt;
3619                         rk_fb->ext_fb_phy_base = fb_mem_phys;
3620 #endif
3621                 } else {
3622                         fbi->fix.smem_start = rk_fb->fb[0]->fix.smem_start;
3623                         fbi->fix.smem_len = rk_fb->fb[0]->fix.smem_len;
3624                         fbi->screen_base = rk_fb->fb[0]->screen_base;
3625                         rk_fb->ext_fb_phy_base = rk_fb->fb_phy_base;
3626                 }
3627
3628                 printk(KERN_INFO "fb%d:phy:%lx>>vir:%p>>len:0x%x\n", fb_id,
3629                        fbi->fix.smem_start, fbi->screen_base,
3630                        fbi->fix.smem_len);
3631         }
3632
3633         fbi->screen_size = fbi->fix.smem_len;
3634         win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
3635         if (win_id >= 0) {
3636                 win = dev_drv->win[win_id];
3637                 win->reserved = fbi->fix.smem_start;
3638         }
3639
3640         return ret;
3641 }
3642
3643 #if 0
3644 static int rk_release_fb_buffer(struct fb_info *fbi)
3645 {
3646         /* buffer for fb1 and fb3 are alloc by android */
3647         if (!strcmp(fbi->fix.id, "fb1") || !strcmp(fbi->fix.id, "fb3"))
3648                 return 0;
3649         iounmap(fbi->screen_base);
3650         release_mem_region(fbi->fix.smem_start, fbi->fix.smem_len);
3651         return 0;
3652 }
3653 #endif
3654
3655 static int init_lcdc_win(struct rk_lcdc_driver *dev_drv,
3656                          struct rk_lcdc_win *def_win)
3657 {
3658         int i;
3659         int lcdc_win_num = dev_drv->lcdc_win_num;
3660
3661         for (i = 0; i < lcdc_win_num; i++) {
3662                 struct rk_lcdc_win *win = NULL;
3663                 win = kzalloc(sizeof(struct rk_lcdc_win), GFP_KERNEL);
3664                 if (!win) {
3665                         dev_err(dev_drv->dev, "kzmalloc for win fail!");
3666                         return -ENOMEM;
3667                 }
3668
3669                 strcpy(win->name, def_win[i].name);
3670                 win->id = def_win[i].id;
3671                 win->support_3d = def_win[i].support_3d;
3672                 dev_drv->win[i] = win;
3673         }
3674
3675         return 0;
3676 }
3677
3678 static int init_lcdc_device_driver(struct rk_fb *rk_fb,
3679                                    struct rk_lcdc_win *def_win, int index)
3680 {
3681         struct rk_lcdc_driver *dev_drv = rk_fb->lcdc_dev_drv[index];
3682         struct rk_screen *screen = devm_kzalloc(dev_drv->dev,
3683                                                 sizeof(struct rk_screen),
3684                                                 GFP_KERNEL);
3685
3686         if (!screen) {
3687                 dev_err(dev_drv->dev, "malloc screen for lcdc%d fail!",
3688                         dev_drv->id);
3689                 return -ENOMEM;
3690         }
3691
3692         screen->screen_id = 0;
3693         screen->lcdc_id = dev_drv->id;
3694         screen->overscan.left = 100;
3695         screen->overscan.top = 100;
3696         screen->overscan.right = 100;
3697         screen->overscan.bottom = 100;
3698
3699         screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3700         screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3701
3702         dev_drv->screen0 = screen;
3703         dev_drv->cur_screen = screen;
3704         /* devie use one lcdc + rk61x scaler for dual display */
3705         if (rk_fb->disp_mode == ONE_DUAL) {
3706                 struct rk_screen *screen1 =
3707                                 devm_kzalloc(dev_drv->dev,
3708                                              sizeof(struct rk_screen),
3709                                              GFP_KERNEL);
3710                 if (!screen1) {
3711                         dev_err(dev_drv->dev, "malloc screen1 for lcdc%d fail!",
3712                                 dev_drv->id);
3713                         return -ENOMEM;
3714                 }
3715                 screen1->screen_id = 1;
3716                 screen1->lcdc_id = 1;
3717                 dev_drv->screen1 = screen1;
3718         }
3719         sprintf(dev_drv->name, "lcdc%d", dev_drv->id);
3720         init_lcdc_win(dev_drv, def_win);
3721         init_completion(&dev_drv->frame_done);
3722         spin_lock_init(&dev_drv->cpl_lock);
3723         mutex_init(&dev_drv->fb_win_id_mutex);
3724         dev_drv->ops->fb_win_remap(dev_drv, dev_drv->fb_win_map);
3725         dev_drv->first_frame = 1;
3726         dev_drv->overscan.left = 100;
3727         dev_drv->overscan.top = 100;
3728         dev_drv->overscan.right = 100;
3729         dev_drv->overscan.bottom = 100;
3730         rk_disp_pwr_ctr_parse_dt(dev_drv);
3731         if (dev_drv->prop == PRMRY) {
3732                 if (dev_drv->ops->set_dsp_cabc)
3733                         dev_drv->ops->set_dsp_cabc(dev_drv, dev_drv->cabc_mode);
3734                 rk_fb_set_prmry_screen(screen);
3735                 rk_fb_get_prmry_screen(screen);
3736         }
3737         dev_drv->trsm_ops = rk_fb_trsm_ops_get(screen->type);
3738         if (dev_drv->prop != PRMRY)
3739                 rk_fb_get_prmry_screen(screen);
3740         dev_drv->output_color = screen->color_mode;
3741
3742         return 0;
3743 }
3744
3745 #ifdef CONFIG_LOGO_LINUX_BMP
3746 static struct linux_logo *bmp_logo;
3747 static int fb_prewine_bmp_logo(struct fb_info *info, int rotate)
3748 {
3749         bmp_logo = fb_find_logo(24);
3750         if (bmp_logo == NULL) {
3751                 printk(KERN_INFO "%s error\n", __func__);
3752                 return 0;
3753         }
3754         return 1;
3755 }
3756
3757 static void fb_show_bmp_logo(struct fb_info *info, int rotate)
3758 {
3759         unsigned char *src = bmp_logo->data;
3760         unsigned char *dst = info->screen_base;
3761         int i;
3762         unsigned int Needwidth = (*(src - 24) << 8) | (*(src - 23));
3763         unsigned int Needheight = (*(src - 22) << 8) | (*(src - 21));
3764
3765         for (i = 0; i < Needheight; i++)
3766                 memcpy(dst + info->var.xres * i * 4,
3767                        src + bmp_logo->width * i * 4, Needwidth * 4);
3768 }
3769 #endif
3770
3771 /*
3772  * check if the primary lcdc has registerd,
3773  * the primary lcdc mas register first
3774  */
3775 bool is_prmry_rk_lcdc_registered(void)
3776 {
3777         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3778
3779         if (rk_fb->lcdc_dev_drv[0])
3780                 return true;
3781         else
3782                 return false;
3783 }
3784
3785 int rk_fb_register(struct rk_lcdc_driver *dev_drv,
3786                    struct rk_lcdc_win *win, int id)
3787 {
3788         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3789         struct fb_info *fbi;
3790         int i = 0, ret = 0, index = 0;
3791 /*
3792 #if defined(CONFIG_ROCKCHIP_IOMMU)
3793         struct device *mmu_dev = NULL;
3794 #endif
3795 */
3796         if (rk_fb->num_lcdc == RK30_MAX_LCDC_SUPPORT)
3797                 return -ENXIO;
3798
3799         for (i = 0; i < RK30_MAX_LCDC_SUPPORT; i++) {
3800                 if (!rk_fb->lcdc_dev_drv[i]) {
3801                         rk_fb->lcdc_dev_drv[i] = dev_drv;
3802                         rk_fb->lcdc_dev_drv[i]->id = id;
3803                         rk_fb->num_lcdc++;
3804                         break;
3805                 }
3806         }
3807
3808         index = i;
3809         init_lcdc_device_driver(rk_fb, win, index);
3810         dev_drv->fb_index_base = rk_fb->num_fb;
3811         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3812                 fbi = framebuffer_alloc(0, &fb_pdev->dev);
3813                 if (!fbi) {
3814                         dev_err(&fb_pdev->dev, "fb framebuffer_alloc fail!");
3815                         ret = -ENOMEM;
3816                 }
3817                 fbi->par = dev_drv;
3818                 fbi->var = def_var;
3819                 fbi->fix = def_fix;
3820                 sprintf(fbi->fix.id, "fb%d", rk_fb->num_fb);
3821                 fb_videomode_to_var(&fbi->var, &dev_drv->cur_screen->mode);
3822                 fbi->var.grayscale |=
3823                     (fbi->var.xres << 8) + (fbi->var.yres << 20);
3824 #if defined(CONFIG_LOGO_LINUX_BMP)
3825                 fbi->var.bits_per_pixel = 32;
3826 #else
3827                 fbi->var.bits_per_pixel = 16;
3828 #endif
3829                 fbi->fix.line_length =
3830                     (fbi->var.xres_virtual) * (fbi->var.bits_per_pixel >> 3);
3831                 fbi->var.width = dev_drv->cur_screen->width;
3832                 fbi->var.height = dev_drv->cur_screen->height;
3833                 fbi->var.pixclock = dev_drv->pixclock;
3834                 if (dev_drv->iommu_enabled)
3835                         fb_ops.fb_mmap = rk_fb_mmap;
3836                 fbi->fbops = &fb_ops;
3837                 fbi->flags = FBINFO_FLAG_DEFAULT;
3838                 fbi->pseudo_palette = dev_drv->win[i]->pseudo_pal;
3839                 ret = register_framebuffer(fbi);
3840                 if (ret < 0) {
3841                         dev_err(&fb_pdev->dev,
3842                                 "%s fb%d register_framebuffer fail!\n",
3843                                 __func__, rk_fb->num_fb);
3844                         return ret;
3845                 }
3846                 rkfb_create_sysfs(fbi);
3847                 rk_fb->fb[rk_fb->num_fb] = fbi;
3848                 dev_info(fbi->dev, "rockchip framebuffer registerd:%s\n",
3849                          fbi->fix.id);
3850                 rk_fb->num_fb++;
3851
3852                 if (i == 0) {
3853                         init_waitqueue_head(&dev_drv->vsync_info.wait);
3854                         init_waitqueue_head(&dev_drv->update_regs_wait);
3855                         ret = device_create_file(fbi->dev, &dev_attr_vsync);
3856                         if (ret)
3857                                 dev_err(fbi->dev,
3858                                         "failed to create vsync file\n");
3859                         dev_drv->vsync_info.thread =
3860                             kthread_run(rk_fb_wait_for_vsync_thread, dev_drv,
3861                                         "fb-vsync");
3862                         if (dev_drv->vsync_info.thread == ERR_PTR(-ENOMEM)) {
3863                                 dev_err(fbi->dev,
3864                                         "failed to run vsync thread\n");
3865                                 dev_drv->vsync_info.thread = NULL;
3866                         }
3867                         dev_drv->vsync_info.active = 1;
3868
3869                         mutex_init(&dev_drv->output_lock);
3870
3871                         INIT_LIST_HEAD(&dev_drv->update_regs_list);
3872                         mutex_init(&dev_drv->update_regs_list_lock);
3873                         init_kthread_worker(&dev_drv->update_regs_worker);
3874
3875                         dev_drv->update_regs_thread =
3876                             kthread_run(kthread_worker_fn,
3877                                         &dev_drv->update_regs_worker, "rk-fb");
3878                         if (IS_ERR(dev_drv->update_regs_thread)) {
3879                                 int err = PTR_ERR(dev_drv->update_regs_thread);
3880                                 dev_drv->update_regs_thread = NULL;
3881
3882                                 printk("failed to run update_regs thread\n");
3883                                 return err;
3884                         }
3885                         init_kthread_work(&dev_drv->update_regs_work,
3886                                           rk_fb_update_regs_handler);
3887
3888                         dev_drv->timeline =
3889                             sw_sync_timeline_create("fb-timeline");
3890                         dev_drv->timeline_max = 1;
3891                 }
3892         }
3893
3894         /* show logo for primary display device */
3895 #if !defined(CONFIG_FRAMEBUFFER_CONSOLE) && defined(CONFIG_LOGO)
3896         if (dev_drv->prop == PRMRY) {
3897                 struct fb_info *main_fbi = rk_fb->fb[0];
3898                 main_fbi->fbops->fb_open(main_fbi, 1);
3899
3900 #if defined(CONFIG_ROCKCHIP_IOMMU)
3901                 if (dev_drv->iommu_enabled) {
3902                         if (dev_drv->mmu_dev)
3903                                 rockchip_iovmm_set_fault_handler(dev_drv->dev,
3904                                                 rk_fb_sysmmu_fault_handler);
3905                 }
3906 #endif
3907
3908                 rk_fb_alloc_buffer(main_fbi, 0);        /* only alloc memory for main fb */
3909                 if (support_uboot_display()) {
3910                         if (dev_drv->iommu_enabled)
3911                                 rk_fb_copy_from_loader(main_fbi);
3912                         return 0;
3913                 }
3914                 main_fbi->fbops->fb_set_par(main_fbi);
3915 #if  defined(CONFIG_LOGO_LINUX_BMP)
3916                 if (fb_prewine_bmp_logo(main_fbi, FB_ROTATE_UR)) {
3917                         fb_set_cmap(&main_fbi->cmap, main_fbi);
3918                         fb_show_bmp_logo(main_fbi, FB_ROTATE_UR);
3919                 }
3920 #else
3921                 if (fb_prepare_logo(main_fbi, FB_ROTATE_UR)) {
3922                         fb_set_cmap(&main_fbi->cmap, main_fbi);
3923                         fb_show_logo(main_fbi, FB_ROTATE_UR);
3924                 }
3925 #endif
3926                 main_fbi->fbops->fb_pan_display(&main_fbi->var, main_fbi);
3927         } else {
3928                 struct fb_info *extend_fbi = rk_fb->fb[rk_fb->num_fb >> 1];
3929                 int extend_fb_id = get_extend_fb_id(extend_fbi);
3930
3931                 rk_fb_alloc_buffer(extend_fbi, extend_fb_id);
3932         }
3933 #endif
3934         return 0;
3935 }
3936
3937 int rk_fb_unregister(struct rk_lcdc_driver *dev_drv)
3938 {
3939         struct rk_fb *fb_inf = platform_get_drvdata(fb_pdev);
3940         struct fb_info *fbi;
3941         int fb_index_base = dev_drv->fb_index_base;
3942         int fb_num = dev_drv->lcdc_win_num;
3943         int i = 0;
3944
3945         if (fb_inf->lcdc_dev_drv[i]->vsync_info.thread) {
3946                 fb_inf->lcdc_dev_drv[i]->vsync_info.irq_stop = 1;
3947                 kthread_stop(fb_inf->lcdc_dev_drv[i]->vsync_info.thread);
3948         }
3949
3950         for (i = 0; i < fb_num; i++)
3951                 kfree(dev_drv->win[i]);
3952
3953         for (i = fb_index_base; i < (fb_index_base + fb_num); i++) {
3954                 fbi = fb_inf->fb[i];
3955                 unregister_framebuffer(fbi);
3956                 /* rk_release_fb_buffer(fbi); */
3957                 framebuffer_release(fbi);
3958         }
3959         fb_inf->lcdc_dev_drv[dev_drv->id] = NULL;
3960         fb_inf->num_lcdc--;
3961
3962         return 0;
3963 }
3964
3965 static int rk_fb_probe(struct platform_device *pdev)
3966 {
3967         struct rk_fb *rk_fb = NULL;
3968         struct device_node *np = pdev->dev.of_node;
3969         u32 mode;
3970
3971         if (!np) {
3972                 dev_err(&pdev->dev, "Missing device tree node.\n");
3973                 return -EINVAL;
3974         }
3975
3976         rk_fb = devm_kzalloc(&pdev->dev, sizeof(struct rk_fb), GFP_KERNEL);
3977         if (!rk_fb) {
3978                 dev_err(&pdev->dev, "kmalloc for rk fb fail!");
3979                 return -ENOMEM;
3980         }
3981         platform_set_drvdata(pdev, rk_fb);
3982
3983         if (!of_property_read_u32(np, "rockchip,disp-mode", &mode)) {
3984                 rk_fb->disp_mode = mode;
3985
3986         } else {
3987                 dev_err(&pdev->dev, "no disp-mode node found!");
3988                 return -ENODEV;
3989         }
3990
3991         if (!of_property_read_u32(np, "rockchip,uboot-logo-on", &uboot_logo_on))
3992                 printk(KERN_DEBUG "uboot-logo-on:%d\n", uboot_logo_on);
3993
3994         dev_set_name(&pdev->dev, "rockchip-fb");
3995 #if defined(CONFIG_ION_ROCKCHIP)
3996         rk_fb->ion_client = rockchip_ion_client_create("rk_fb");
3997         if (IS_ERR(rk_fb->ion_client)) {
3998                 dev_err(&pdev->dev, "failed to create ion client for rk fb");
3999                 return PTR_ERR(rk_fb->ion_client);
4000         } else {
4001                 dev_info(&pdev->dev, "rk fb ion client create success!\n");
4002         }
4003 #endif
4004
4005         fb_pdev = pdev;
4006         dev_info(&pdev->dev, "rockchip framebuffer driver probe\n");
4007         return 0;
4008 }
4009
4010 static int rk_fb_remove(struct platform_device *pdev)
4011 {
4012         struct rk_fb *rk_fb = platform_get_drvdata(pdev);
4013
4014         kfree(rk_fb);
4015         platform_set_drvdata(pdev, NULL);
4016         return 0;
4017 }
4018
4019 static void rk_fb_shutdown(struct platform_device *pdev)
4020 {
4021         struct rk_fb *rk_fb = platform_get_drvdata(pdev);
4022         int i;
4023
4024         for (i = 0; i < rk_fb->num_lcdc; i++) {
4025                 if (!rk_fb->lcdc_dev_drv[i])
4026                         continue;
4027         }
4028 }
4029
4030 static const struct of_device_id rkfb_dt_ids[] = {
4031         {.compatible = "rockchip,rk-fb",},
4032         {}
4033 };
4034
4035 static struct platform_driver rk_fb_driver = {
4036         .probe = rk_fb_probe,
4037         .remove = rk_fb_remove,
4038         .driver = {
4039                    .name = "rk-fb",
4040                    .owner = THIS_MODULE,
4041                    .of_match_table = of_match_ptr(rkfb_dt_ids),
4042                    },
4043         .shutdown = rk_fb_shutdown,
4044 };
4045
4046 static int __init rk_fb_init(void)
4047 {
4048         return platform_driver_register(&rk_fb_driver);
4049 }
4050
4051 static void __exit rk_fb_exit(void)
4052 {
4053         platform_driver_unregister(&rk_fb_driver);
4054 }
4055
4056 fs_initcall(rk_fb_init);
4057 module_exit(rk_fb_exit);