drivers/video/rockchip/rk_fb.c

   1 /*
   2  * drivers/video/rockchip/rk_fb.c
   3  *
   4  * Copyright (C) ROCKCHIP, Inc.
   5  * Author:yxj<yxj@rock-chips.com>
   6  * This software is licensed under the terms of the GNU General Public
   7  * License version 2, as published by the Free Software Foundation, and
   8  * may be copied, distributed, and modified under those terms.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  */
  15
  16 #include <linux/module.h>
  17 #include <linux/kernel.h>
  18 #include <linux/errno.h>
  19 #include <linux/string.h>
  20 #include <linux/mm.h>
  21 #include <linux/slab.h>
  22 #include <linux/delay.h>
  23 #include <linux/device.h>
  24 #include <linux/kthread.h>
  25 #include <linux/fb.h>
  26 #include <linux/init.h>
  27 #include <asm/div64.h>
  28 #include <linux/uaccess.h>
  29 #include <linux/rk_fb.h>
  30 #include <linux/linux_logo.h>
  31 #include <linux/dma-mapping.h>
  32
  33 #if defined(CONFIG_RK_HDMI)
  34 #include "hdmi/rk_hdmi.h"
  35 #endif
  36
  37 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
  38 #include "rga/rga.h"
  39 #endif
  40
  41 #ifdef CONFIG_OF
  42 #include <linux/of.h>
  43 #include <linux/of_platform.h>
  44 #include <linux/of_gpio.h>
  45 #include <video/of_display_timing.h>
  46 #include <video/display_timing.h>
  47 #include <dt-bindings/rkfb/rk_fb.h>
  48 #endif
  49
  50 #if defined(CONFIG_ION_ROCKCHIP)
  51 #include <linux/rockchip_ion.h>
  52 #include <linux/rockchip-iovmm.h>
  53 #include <linux/dma-buf.h>
  54 #include <linux/highmem.h>
  55 #endif
  56
  57 #define H_USE_FENCE 1
  58 static int hdmi_switch_complete;
  59 static struct platform_device *fb_pdev;
  60 struct list_head saved_list;
  61
  62 #if defined(CONFIG_FB_MIRRORING)
  63 int (*video_data_to_mirroring) (struct fb_info *info, u32 yuv_phy[2]);
  64 EXPORT_SYMBOL(video_data_to_mirroring);
  65 #endif
  66
  67 struct rk_fb_reg_win_data g_reg_win_data[4];
  68 static int g_last_win_num;
  69 static int g_first_buf = 1;
  70 static struct rk_fb_trsm_ops *trsm_lvds_ops;
  71 static struct rk_fb_trsm_ops *trsm_edp_ops;
  72 static struct rk_fb_trsm_ops *trsm_mipi_ops;
  73 static int uboot_logo_on;
  74 int support_uboot_display(void)
  75 {
  76         return uboot_logo_on;
  77 }
  78
  79 int rk_fb_trsm_ops_register(struct rk_fb_trsm_ops *ops, int type)
  80 {
  81         switch (type) {
  82         case SCREEN_RGB:
  83         case SCREEN_LVDS:
  84         case SCREEN_DUAL_LVDS:
  85                 trsm_lvds_ops = ops;
  86                 break;
  87         case SCREEN_EDP:
  88                 trsm_edp_ops = ops;
  89                 break;
  90         case SCREEN_MIPI:
  91         case SCREEN_DUAL_MIPI:
  92                 trsm_mipi_ops = ops;
  93                 break;
  94         default:
  95                 printk(KERN_WARNING "%s:un supported transmitter:%d!\n",
  96                        __func__, type);
  97                 break;
  98         }
  99         return 0;
 100 }
 101
 102 struct rk_fb_trsm_ops *rk_fb_trsm_ops_get(int type)
 103 {
 104         struct rk_fb_trsm_ops *ops;
 105         switch (type) {
 106         case SCREEN_RGB:
 107         case SCREEN_LVDS:
 108         case SCREEN_DUAL_LVDS:
 109                 ops = trsm_lvds_ops;
 110                 break;
 111         case SCREEN_EDP:
 112                 ops = trsm_edp_ops;
 113                 break;
 114         case SCREEN_MIPI:
 115         case SCREEN_DUAL_MIPI:
 116                 ops = trsm_mipi_ops;
 117                 break;
 118         default:
 119                 ops = NULL;
 120                 printk(KERN_WARNING "%s:un supported transmitter:%d!\n",
 121                        __func__, type);
 122                 break;
 123         }
 124         return ops;
 125 }
 126
 127 int rk_fb_pixel_width(int data_format)
 128 {
 129         int pixel_width;
 130         switch (data_format) {
 131         case XBGR888:
 132         case ABGR888:
 133         case ARGB888:
 134                 pixel_width = 4 * 8;
 135                 break;
 136         case RGB888:
 137                 pixel_width = 3 * 8;
 138                 break;
 139         case RGB565:
 140                 pixel_width = 2 * 8;
 141                 break;
 142         case YUV422:
 143         case YUV420:
 144         case YUV444:
 145                 pixel_width = 1 * 8;
 146                 break;
 147         case YUV422_A:
 148         case YUV420_A:
 149         case YUV444_A:
 150                 pixel_width = 8;
 151                 break;
 152         default:
 153                 printk(KERN_WARNING "%s:un supported format:0x%x\n",
 154                        __func__, data_format);
 155                 return -EINVAL;
 156         }
 157         return pixel_width;
 158 }
 159
 160 static int rk_fb_data_fmt(int data_format, int bits_per_pixel)
 161 {
 162         int fb_data_fmt;
 163         if (data_format) {
 164                 switch (data_format) {
 165                 case HAL_PIXEL_FORMAT_RGBX_8888:
 166                         fb_data_fmt = XBGR888;
 167                         break;
 168                 case HAL_PIXEL_FORMAT_RGBA_8888:
 169                         fb_data_fmt = ABGR888;
 170                         break;
 171                 case HAL_PIXEL_FORMAT_BGRA_8888:
 172                         fb_data_fmt = ARGB888;
 173                         break;
 174                 case HAL_PIXEL_FORMAT_RGB_888:
 175                         fb_data_fmt = RGB888;
 176                         break;
 177                 case HAL_PIXEL_FORMAT_RGB_565:
 178                         fb_data_fmt = RGB565;
 179                         break;
 180                 case HAL_PIXEL_FORMAT_YCbCr_422_SP:     /* yuv422 */
 181                         fb_data_fmt = YUV422;
 182                         break;
 183                 case HAL_PIXEL_FORMAT_YCrCb_NV12:       /* YUV420---uvuvuv */
 184                         fb_data_fmt = YUV420;
 185                         break;
 186                 case HAL_PIXEL_FORMAT_YCrCb_444:        /* yuv444 */
 187                         fb_data_fmt = YUV444;
 188                         break;
 189                 case HAL_PIXEL_FORMAT_YCrCb_NV12_10:    /* yuv444 */
 190                         fb_data_fmt = YUV420_A;
 191                         break;
 192                 case HAL_PIXEL_FORMAT_YCbCr_422_SP_10:  /* yuv444 */
 193                         fb_data_fmt = YUV422_A;
 194                         break;
 195                 case HAL_PIXEL_FORMAT_YCrCb_420_SP_10:  /* yuv444 */
 196                         fb_data_fmt = YUV444_A;
 197                         break;
 198                 default:
 199                         printk(KERN_WARNING "%s:un supported format:0x%x\n",
 200                                __func__, data_format);
 201                         return -EINVAL;
 202                 }
 203         } else {
 204                 switch (bits_per_pixel) {
 205                 case 32:
 206                         fb_data_fmt = ARGB888;
 207                         break;
 208                 case 16:
 209                         fb_data_fmt = RGB565;
 210                         break;
 211                 default:
 212                         printk(KERN_WARNING
 213                                "%s:un supported bits_per_pixel:%d\n", __func__,
 214                                bits_per_pixel);
 215                         break;
 216                 }
 217         }
 218         return fb_data_fmt;
 219 }
 220
 221 /*
 222  * rk display power control parse from dts
 223  */
 224 int rk_disp_pwr_ctr_parse_dt(struct rk_lcdc_driver *dev_drv)
 225 {
 226         struct device_node *root = of_get_child_by_name(dev_drv->dev->of_node,
 227                                                         "power_ctr");
 228         struct device_node *child;
 229         struct rk_disp_pwr_ctr_list *pwr_ctr;
 230         struct list_head *pos;
 231         enum of_gpio_flags flags;
 232         u32 val = 0;
 233         u32 debug = 0;
 234         int ret;
 235
 236         INIT_LIST_HEAD(&dev_drv->pwrlist_head);
 237         if (!root) {
 238                 dev_err(dev_drv->dev, "can't find power_ctr node for lcdc%d\n",
 239                         dev_drv->id);
 240                 return -ENODEV;
 241         }
 242
 243         for_each_child_of_node(root, child) {
 244                 pwr_ctr = kmalloc(sizeof(struct rk_disp_pwr_ctr_list),
 245                                   GFP_KERNEL);
 246                 strcpy(pwr_ctr->pwr_ctr.name, child->name);
 247                 if (!of_property_read_u32(child, "rockchip,power_type", &val)) {
 248                         if (val == GPIO) {
 249                                 pwr_ctr->pwr_ctr.type = GPIO;
 250                                 pwr_ctr->pwr_ctr.gpio = of_get_gpio_flags(child, 0, &flags);
 251                                 if (!gpio_is_valid(pwr_ctr->pwr_ctr.gpio)) {
 252                                         dev_err(dev_drv->dev, "%s ivalid gpio\n",
 253                                                 child->name);
 254                                         return -EINVAL;
 255                                 }
 256                                 pwr_ctr->pwr_ctr.atv_val = !(flags & OF_GPIO_ACTIVE_LOW);
 257                                 ret = gpio_request(pwr_ctr->pwr_ctr.gpio,
 258                                                    child->name);
 259                                 if (ret) {
 260                                         dev_err(dev_drv->dev,
 261                                                 "request %s gpio fail:%d\n",
 262                                                 child->name, ret);
 263                                 }
 264
 265                         } else {
 266                                 pwr_ctr->pwr_ctr.type = REGULATOR;
 267
 268                         }
 269                 };
 270                 of_property_read_u32(child, "rockchip,delay", &val);
 271                 pwr_ctr->pwr_ctr.delay = val;
 272                 list_add_tail(&pwr_ctr->list, &dev_drv->pwrlist_head);
 273         }
 274
 275         of_property_read_u32(root, "rockchip,debug", &debug);
 276
 277         if (debug) {
 278                 list_for_each(pos, &dev_drv->pwrlist_head) {
 279                         pwr_ctr = list_entry(pos, struct rk_disp_pwr_ctr_list,
 280                                              list);
 281                         printk(KERN_INFO "pwr_ctr_name:%s\n"
 282                                "pwr_type:%s\n"
 283                                "gpio:%d\n"
 284                                "atv_val:%d\n"
 285                                "delay:%d\n\n",
 286                                pwr_ctr->pwr_ctr.name,
 287                                (pwr_ctr->pwr_ctr.type == GPIO) ? "gpio" : "regulator",
 288                                pwr_ctr->pwr_ctr.gpio,
 289                                pwr_ctr->pwr_ctr.atv_val,
 290                                pwr_ctr->pwr_ctr.delay);
 291                 }
 292         }
 293
 294         return 0;
 295
 296 }
 297
 298 int rk_disp_pwr_enable(struct rk_lcdc_driver *dev_drv)
 299 {
 300         struct list_head *pos;
 301         struct rk_disp_pwr_ctr_list *pwr_ctr_list;
 302         struct pwr_ctr *pwr_ctr;
 303         if (list_empty(&dev_drv->pwrlist_head))
 304                 return 0;
 305         list_for_each(pos, &dev_drv->pwrlist_head) {
 306                 pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list,
 307                                           list);
 308                 pwr_ctr = &pwr_ctr_list->pwr_ctr;
 309                 if (pwr_ctr->type == GPIO) {
 310                         gpio_direction_output(pwr_ctr->gpio, pwr_ctr->atv_val);
 311                         mdelay(pwr_ctr->delay);
 312                 }
 313         }
 314
 315         return 0;
 316 }
 317
 318 int rk_disp_pwr_disable(struct rk_lcdc_driver *dev_drv)
 319 {
 320         struct list_head *pos;
 321         struct rk_disp_pwr_ctr_list *pwr_ctr_list;
 322         struct pwr_ctr *pwr_ctr;
 323         if (list_empty(&dev_drv->pwrlist_head))
 324                 return 0;
 325         list_for_each(pos, &dev_drv->pwrlist_head) {
 326                 pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list,
 327                                           list);
 328                 pwr_ctr = &pwr_ctr_list->pwr_ctr;
 329                 if (pwr_ctr->type == GPIO)
 330                         gpio_set_value(pwr_ctr->gpio, !pwr_ctr->atv_val);
 331         }
 332         return 0;
 333 }
 334
 335 int rk_fb_video_mode_from_timing(const struct display_timing *dt,
 336                                  struct rk_screen *screen)
 337 {
 338         screen->mode.pixclock = dt->pixelclock.typ;
 339         screen->mode.left_margin = dt->hback_porch.typ;
 340         screen->mode.right_margin = dt->hfront_porch.typ;
 341         screen->mode.xres = dt->hactive.typ;
 342         screen->mode.hsync_len = dt->hsync_len.typ;
 343         screen->mode.upper_margin = dt->vback_porch.typ;
 344         screen->mode.lower_margin = dt->vfront_porch.typ;
 345         screen->mode.yres = dt->vactive.typ;
 346         screen->mode.vsync_len = dt->vsync_len.typ;
 347         screen->type = dt->screen_type;
 348         screen->lvds_format = dt->lvds_format;
 349         screen->face = dt->face;
 350         screen->color_mode = dt->color_mode;
 351         screen->dsp_lut = dt->dsp_lut;
 352
 353         if (dt->flags & DISPLAY_FLAGS_PIXDATA_POSEDGE)
 354                 screen->pin_dclk = 1;
 355         else
 356                 screen->pin_dclk = 0;
 357         if (dt->flags & DISPLAY_FLAGS_HSYNC_HIGH)
 358                 screen->pin_hsync = 1;
 359         else
 360                 screen->pin_hsync = 0;
 361         if (dt->flags & DISPLAY_FLAGS_VSYNC_HIGH)
 362                 screen->pin_vsync = 1;
 363         else
 364                 screen->pin_vsync = 0;
 365         if (dt->flags & DISPLAY_FLAGS_DE_HIGH)
 366                 screen->pin_den = 1;
 367         else
 368                 screen->pin_den = 0;
 369
 370         return 0;
 371
 372 }
 373
 374 int rk_fb_prase_timing_dt(struct device_node *np, struct rk_screen *screen)
 375 {
 376         struct display_timings *disp_timing;
 377         struct display_timing *dt;
 378         disp_timing = of_get_display_timings(np);
 379         if (!disp_timing) {
 380                 pr_err("parse display timing err\n");
 381                 return -EINVAL;
 382         }
 383         dt = display_timings_get(disp_timing, disp_timing->native_mode);
 384         rk_fb_video_mode_from_timing(dt, screen);
 385         return 0;
 386
 387 }
 388
 389 int rk_fb_calc_fps(struct rk_screen *screen, u32 pixclock)
 390 {
 391         int x, y;
 392         unsigned long long hz;
 393         if (!screen) {
 394                 printk(KERN_ERR "%s:null screen!\n", __func__);
 395                 return 0;
 396         }
 397         x = screen->mode.xres + screen->mode.left_margin +
 398             screen->mode.right_margin + screen->mode.hsync_len;
 399         y = screen->mode.yres + screen->mode.upper_margin +
 400             screen->mode.lower_margin + screen->mode.vsync_len;
 401
 402         hz = 1000000000000ULL;  /* 1e12 picoseconds per second */
 403
 404         hz += (x * y) / 2;
 405         do_div(hz, x * y);      /* divide by x * y with rounding */
 406
 407         hz += pixclock / 2;
 408         do_div(hz, pixclock);   /* divide by pixclock with rounding */
 409
 410         return hz;
 411 }
 412
 413 char *get_format_string(enum data_format format, char *fmt)
 414 {
 415         if (!fmt)
 416                 return NULL;
 417         switch (format) {
 418         case ARGB888:
 419                 strcpy(fmt, "ARGB888");
 420                 break;
 421         case RGB888:
 422                 strcpy(fmt, "RGB888");
 423                 break;
 424         case RGB565:
 425                 strcpy(fmt, "RGB565");
 426                 break;
 427         case YUV420:
 428                 strcpy(fmt, "YUV420");
 429                 break;
 430         case YUV422:
 431                 strcpy(fmt, "YUV422");
 432                 break;
 433         case YUV444:
 434                 strcpy(fmt, "YUV444");
 435                 break;
 436         case YUV420_A:
 437                 strcpy(fmt, "YUV420_A");
 438                 break;
 439         case YUV422_A:
 440                 strcpy(fmt, "YUV422_A");
 441                 break;
 442         case YUV444_A:
 443                 strcpy(fmt, "YUV444_A");
 444                 break;
 445         case XRGB888:
 446                 strcpy(fmt, "XRGB888");
 447                 break;
 448         case XBGR888:
 449                 strcpy(fmt, "XBGR888");
 450                 break;
 451         case ABGR888:
 452                 strcpy(fmt, "ABGR888");
 453                 break;
 454         default:
 455                 strcpy(fmt, "invalid");
 456                 break;
 457         }
 458
 459         return fmt;
 460
 461 }
 462
 463 /*
 464  * this is for hdmi
 465  * name: lcdc device name ,lcdc0 , lcdc1
 466  */
 467 struct rk_lcdc_driver *rk_get_lcdc_drv(char *name)
 468 {
 469         struct rk_fb *inf = NULL;
 470         struct rk_lcdc_driver *dev_drv = NULL;
 471         int i = 0;
 472
 473         if (likely(fb_pdev))
 474                 inf = platform_get_drvdata(fb_pdev);
 475         else
 476                 return NULL;
 477
 478         for (i = 0; i < inf->num_lcdc; i++) {
 479                 if (!strcmp(inf->lcdc_dev_drv[i]->name, name)) {
 480                         dev_drv = inf->lcdc_dev_drv[i];
 481                         break;
 482                 }
 483         }
 484
 485         return dev_drv;
 486 }
 487
 488 static struct rk_lcdc_driver *rk_get_prmry_lcdc_drv(void)
 489 {
 490         struct rk_fb *inf = NULL;
 491         struct rk_lcdc_driver *dev_drv = NULL;
 492         int i = 0;
 493
 494         if (likely(fb_pdev))
 495                 inf = platform_get_drvdata(fb_pdev);
 496         else
 497                 return NULL;
 498
 499         for (i = 0; i < inf->num_lcdc; i++) {
 500                 if (inf->lcdc_dev_drv[i]->prop == PRMRY) {
 501                         dev_drv = inf->lcdc_dev_drv[i];
 502                         break;
 503                 }
 504         }
 505
 506         return dev_drv;
 507 }
 508
 509 /*
 510  * get one frame time of the prmry screen, unit: us
 511  */
 512 u32 rk_fb_get_prmry_screen_ft(void)
 513 {
 514         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 515         uint32_t htotal, vtotal, pixclock_ps;
 516         u64 pix_total, ft_us;
 517
 518         if (unlikely(!dev_drv))
 519                 return 0;
 520
 521         pixclock_ps = dev_drv->pixclock;
 522
 523         vtotal = (dev_drv->cur_screen->mode.upper_margin +
 524                  dev_drv->cur_screen->mode.lower_margin +
 525                  dev_drv->cur_screen->mode.yres +
 526                  dev_drv->cur_screen->mode.vsync_len);
 527         htotal = (dev_drv->cur_screen->mode.left_margin +
 528                  dev_drv->cur_screen->mode.right_margin +
 529                  dev_drv->cur_screen->mode.xres +
 530                  dev_drv->cur_screen->mode.hsync_len);
 531         pix_total = htotal * vtotal;
 532         ft_us = pix_total * pixclock_ps;
 533         do_div(ft_us, 1000000);
 534         if (dev_drv->frame_time.ft == 0)
 535                 dev_drv->frame_time.ft = ft_us;
 536
 537         ft_us = dev_drv->frame_time.framedone_t - dev_drv->frame_time.last_framedone_t;
 538         do_div(ft_us, 1000);
 539         ft_us = min(dev_drv->frame_time.ft, (u32)ft_us);
 540         if (ft_us != 0)
 541                 dev_drv->frame_time.ft = ft_us;
 542
 543         return dev_drv->frame_time.ft;
 544 }
 545
 546 /*
 547  * get the vblanking time of the prmry screen, unit: us
 548  */
 549 u32 rk_fb_get_prmry_screen_vbt(void)
 550 {
 551         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 552         uint32_t htotal, vblank, pixclock_ps;
 553         u64 pix_blank, vbt_us;
 554
 555         if (unlikely(!dev_drv))
 556                 return 0;
 557
 558         pixclock_ps = dev_drv->pixclock;
 559
 560         htotal = (dev_drv->cur_screen->mode.left_margin +
 561                  dev_drv->cur_screen->mode.right_margin +
 562                  dev_drv->cur_screen->mode.xres +
 563                  dev_drv->cur_screen->mode.hsync_len);
 564         vblank = (dev_drv->cur_screen->mode.upper_margin +
 565                  dev_drv->cur_screen->mode.lower_margin +
 566                  dev_drv->cur_screen->mode.vsync_len);
 567         pix_blank = htotal * vblank;
 568         vbt_us = pix_blank * pixclock_ps;
 569         do_div(vbt_us, 1000000);
 570         return (u32)vbt_us;
 571 }
 572
 573 /*
 574  * get the frame done time of the prmry screen, unit: us
 575  */
 576 u64 rk_fb_get_prmry_screen_framedone_t(void)
 577 {
 578         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 579
 580         if (unlikely(!dev_drv))
 581                 return 0;
 582         else
 583                 return dev_drv->frame_time.framedone_t;
 584 }
 585
 586 /*
 587  * set prmry screen status
 588  */
 589 int rk_fb_set_prmry_screen_status(int status)
 590 {
 591         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 592         struct rk_screen *screen;
 593
 594         if (unlikely(!dev_drv))
 595                 return 0;
 596
 597         screen = dev_drv->cur_screen;
 598         switch (status) {
 599         case SCREEN_PREPARE_DDR_CHANGE:
 600                 if (screen->type == SCREEN_MIPI
 601                         || screen->type == SCREEN_DUAL_MIPI) {
 602                         if (dev_drv->trsm_ops->dsp_pwr_off)
 603                                 dev_drv->trsm_ops->dsp_pwr_off();
 604                 }
 605                 break;
 606         case SCREEN_UNPREPARE_DDR_CHANGE:
 607                 if (screen->type == SCREEN_MIPI
 608                         || screen->type == SCREEN_DUAL_MIPI) {
 609                         if (dev_drv->trsm_ops->dsp_pwr_on)
 610                                 dev_drv->trsm_ops->dsp_pwr_on();
 611                 }
 612                 break;
 613         default:
 614                 break;
 615         }
 616
 617         return 0;
 618 }
 619
 620 static struct rk_lcdc_driver *rk_get_extend_lcdc_drv(void)
 621 {
 622         struct rk_fb *inf = NULL;
 623         struct rk_lcdc_driver *dev_drv = NULL;
 624         int i = 0;
 625
 626         if (likely(fb_pdev))
 627                 inf = platform_get_drvdata(fb_pdev);
 628         else
 629                 return NULL;
 630
 631         for (i = 0; i < inf->num_lcdc; i++) {
 632                 if (inf->lcdc_dev_drv[i]->prop == EXTEND) {
 633                         dev_drv = inf->lcdc_dev_drv[i];
 634                         break;
 635                 }
 636         }
 637
 638         return dev_drv;
 639 }
 640
 641 u32 rk_fb_get_prmry_screen_pixclock(void)
 642 {
 643         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 644
 645         if (unlikely(!dev_drv))
 646                 return 0;
 647         else
 648                 return dev_drv->pixclock;
 649 }
 650
 651 int rk_fb_poll_prmry_screen_vblank(void)
 652 {
 653         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 654
 655         if (likely(dev_drv)) {
 656                 if (dev_drv->ops->poll_vblank)
 657                         return dev_drv->ops->poll_vblank(dev_drv);
 658                 else
 659                         return RK_LF_STATUS_NC;
 660         } else {
 661                 return RK_LF_STATUS_NC;
 662         }
 663 }
 664
 665 bool rk_fb_poll_wait_frame_complete(void)
 666 {
 667         uint32_t timeout = RK_LF_MAX_TIMEOUT;
 668         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 669
 670         if (likely(dev_drv)) {
 671                 if (dev_drv->ops->set_irq_to_cpu)
 672                         dev_drv->ops->set_irq_to_cpu(dev_drv, 0);
 673         }
 674
 675         if (rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_NC) {
 676                 if (likely(dev_drv)) {
 677                         if (dev_drv->ops->set_irq_to_cpu)
 678                                 dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
 679                 }
 680                 return false;
 681         }
 682         while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FR) && --timeout)
 683                 ;
 684         while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FC) && --timeout)
 685                 ;
 686         if (likely(dev_drv)) {
 687                 if (dev_drv->ops->set_irq_to_cpu)
 688                         dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
 689         }
 690
 691         return true;
 692 }
 693
 694
 695 /* rk_fb_get_sysmmu_device_by_compatible()
 696  * @compt: dts device compatible name
 697  * return value: success: pointer to the device inside of platform device
 698  *               fail: NULL
 699  */
 700 struct device *rk_fb_get_sysmmu_device_by_compatible(const char *compt)
 701 {
 702         struct device_node *dn = NULL;
 703         struct platform_device *pd = NULL;
 704         struct device *ret = NULL ;
 705
 706         dn = of_find_compatible_node(NULL, NULL, compt);
 707         if (!dn) {
 708                 printk("can't find device node %s \r\n", compt);
 709                 return NULL;
 710         }
 711
 712         pd = of_find_device_by_node(dn);
 713         if (!pd) {
 714                 printk("can't find platform device in device node %s \r\n", compt);
 715                 return  NULL;
 716         }
 717         ret = &pd->dev;
 718
 719         return ret;
 720 }
 721
 722 #ifdef CONFIG_IOMMU_API
 723 void rk_fb_platform_set_sysmmu(struct device *sysmmu, struct device *dev)
 724 {
 725         dev->archdata.iommu = sysmmu;
 726 }
 727 #else
 728 void rk_fb_platform_set_sysmmu(struct device *sysmmu, struct device *dev)
 729 {
 730
 731 }
 732 #endif
 733
 734 static int rk_fb_open(struct fb_info *info, int user)
 735 {
 736         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
 737         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
 738         int win_id;
 739
 740         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
 741         fb_par->state++;
 742         /* if this win aready opened ,no need to reopen */
 743         if (dev_drv->win[win_id]->state)
 744                 return 0;
 745         else
 746                 dev_drv->ops->open(dev_drv, win_id, 1);
 747         return 0;
 748 }
 749
 750 static int get_extend_fb_id(struct fb_info *info)
 751 {
 752         int fb_id = 0;
 753         char *id = info->fix.id;
 754         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
 755         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
 756
 757         if (!strcmp(id, "fb0"))
 758                 fb_id = 0;
 759         else if (!strcmp(id, "fb1"))
 760                 fb_id = 1;
 761         else if (!strcmp(id, "fb2") && (dev_drv->lcdc_win_num > 2))
 762                 fb_id = 2;
 763         else if (!strcmp(id, "fb3") && (dev_drv->lcdc_win_num > 3))
 764                 fb_id = 3;
 765         return fb_id;
 766 }
 767
 768 static int rk_fb_close(struct fb_info *info, int user)
 769 {
 770         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
 771         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
 772         struct rk_lcdc_win *win = NULL;
 773         int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
 774
 775         if (win_id >= 0) {
 776                 win = dev_drv->win[win_id];
 777                 fb_par->state--;
 778                 if (!fb_par->state) {
 779                         if (fb_par->fb_phy_base > 0)
 780                                 info->fix.smem_start = fb_par->fb_phy_base;
 781                         info->var.xres = dev_drv->screen0->mode.xres;
 782                         info->var.yres = dev_drv->screen0->mode.yres;
 783                         /*
 784                         info->var.grayscale |=
 785                             (info->var.xres << 8) + (info->var.yres << 20);
 786                         */
 787                         info->var.xres_virtual = info->var.xres;
 788                         info->var.yres_virtual = info->var.yres;
 789 #if defined(CONFIG_LOGO_LINUX_BMP)
 790                         info->var.bits_per_pixel = 32;
 791 #else
 792                         info->var.bits_per_pixel = 16;
 793 #endif
 794                         info->fix.line_length =
 795                             (info->var.xres_virtual) * (info->var.bits_per_pixel >> 3);
 796                         info->var.width = dev_drv->screen0->width;
 797                         info->var.height = dev_drv->screen0->height;
 798                         info->var.pixclock = dev_drv->pixclock;
 799                         info->var.left_margin = dev_drv->screen0->mode.left_margin;
 800                         info->var.right_margin = dev_drv->screen0->mode.right_margin;
 801                         info->var.upper_margin = dev_drv->screen0->mode.upper_margin;
 802                         info->var.lower_margin = dev_drv->screen0->mode.lower_margin;
 803                         info->var.vsync_len = dev_drv->screen0->mode.vsync_len;
 804                         info->var.hsync_len = dev_drv->screen0->mode.hsync_len;
 805                 }
 806         }
 807
 808         return 0;
 809 }
 810
 811
 812 #if defined(CONFIG_RK29_IPP)
 813 static int get_ipp_format(int fmt)
 814 {
 815         int ipp_fmt = IPP_XRGB_8888;
 816         switch (fmt) {
 817         case HAL_PIXEL_FORMAT_RGBX_8888:
 818         case HAL_PIXEL_FORMAT_RGBA_8888:
 819         case HAL_PIXEL_FORMAT_BGRA_8888:
 820         case HAL_PIXEL_FORMAT_RGB_888:
 821                 ipp_fmt = IPP_XRGB_8888;
 822                 break;
 823         case HAL_PIXEL_FORMAT_RGB_565:
 824                 ipp_fmt = IPP_RGB_565;
 825                 break;
 826         case HAL_PIXEL_FORMAT_YCbCr_422_SP:
 827                 ipp_fmt = IPP_Y_CBCR_H2V1;
 828                 break;
 829         case HAL_PIXEL_FORMAT_YCrCb_NV12:
 830                 ipp_fmt = IPP_Y_CBCR_H2V2;
 831                 break;
 832         case HAL_PIXEL_FORMAT_YCrCb_444:
 833                 ipp_fmt = IPP_Y_CBCR_H1V1;
 834                 break;
 835         default:
 836                 ipp_fmt = IPP_IMGTYPE_LIMIT;
 837                 break;
 838         }
 839
 840         return ipp_fmt;
 841 }
 842
 843 static void ipp_win_check(int *dst_w, int *dst_h, int *dst_vir_w,
 844                           int rotation, int fmt)
 845 {
 846         int align16 = 2;
 847         int align64 = 8;
 848
 849         if (fmt == IPP_XRGB_8888) {
 850                 align16 = 1;
 851                 align64 = 2;
 852         } else if (fmt == IPP_RGB_565) {
 853                 align16 = 1;
 854                 align64 = 4;
 855         } else {
 856                 align16 = 2;
 857                 align64 = 8;
 858         }
 859         align16 -= 1;           /*for YUV, 1 */
 860         align64 -= 1;           /*for YUV, 7 */
 861
 862         if (rotation == IPP_ROT_0) {
 863                 if (fmt > IPP_RGB_565) {
 864                         if ((*dst_w & 1) != 0)
 865                                 *dst_w = *dst_w + 1;
 866                         if ((*dst_h & 1) != 0)
 867                                 *dst_h = *dst_h + 1;
 868                         if (*dst_vir_w < *dst_w)
 869                                 *dst_vir_w = *dst_w;
 870                 }
 871         } else {
 872                 if ((*dst_w & align64) != 0)
 873                         *dst_w = (*dst_w + align64) & (~align64);
 874                 if ((fmt > IPP_RGB_565) && ((*dst_h & 1) == 1))
 875                         *dst_h = *dst_h + 1;
 876                 if (*dst_vir_w < *dst_w)
 877                         *dst_vir_w = *dst_w;
 878         }
 879 }
 880
 881 static void fb_copy_by_ipp(struct fb_info *dst_info,
 882                                 struct fb_info *src_info)
 883 {
 884         struct rk29_ipp_req ipp_req;
 885         uint32_t rotation = 0;
 886         int dst_w, dst_h, dst_vir_w;
 887         int ipp_fmt;
 888         u8 data_format = (dst_info->var.nonstd) & 0xff;
 889         struct rk_fb_par *fb_par = (struct rk_fb_par *)dst_info->par;
 890         struct rk_lcdc_driver *ext_dev_drv = fb_par->lcdc_drv;
 891         u16 orientation = ext_dev_drv->rotate_mode;
 892
 893         memset(&ipp_req, 0, sizeof(struct rk29_ipp_req));
 894
 895         switch (orientation) {
 896         case 0:
 897                 rotation = IPP_ROT_0;
 898                 break;
 899         case ROTATE_90:
 900                 rotation = IPP_ROT_90;
 901                 break;
 902         case ROTATE_180:
 903                 rotation = IPP_ROT_180;
 904                 break;
 905         case ROTATE_270:
 906                 rotation = IPP_ROT_270;
 907                 break;
 908         default:
 909                 rotation = IPP_ROT_270;
 910                 break;
 911         }
 912
 913         dst_w = dst_info->var.xres;
 914         dst_h = dst_info->var.yres;
 915         dst_vir_w = dst_info->var.xres_virtual;
 916         ipp_fmt = get_ipp_format(data_format);
 917         ipp_win_check(&dst_w, &dst_h, &dst_vir_w, rotation, ipp_fmt);
 918         ipp_req.src0.YrgbMst = src_info->fix.smem_start + offset;
 919         ipp_req.src0.w = src_info->var.xres;
 920         ipp_req.src0.h = src_info->var.yres;
 921         ipp_req.src_vir_w = src_info->var.xres_virtual;
 922         ipp_req.src0.fmt = ipp_fmt;
 923
 924         ipp_req.dst0.YrgbMst = dst_info->fix.smem_start + offset;
 925         ipp_req.dst0.w = dst_w;
 926         ipp_req.dst0.h = dst_h;
 927         ipp_req.dst_vir_w = dst_vir_w;
 928         ipp_req.dst0.fmt = ipp_fmt;
 929
 930         ipp_req.timeout = 100;
 931         ipp_req.flag = rotation;
 932         ipp_blit_sync(&ipp_req);
 933 }
 934
 935 #endif
 936
 937 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
 938 static int get_rga_format(int fmt)
 939 {
 940         int rga_fmt = 0;
 941
 942         switch (fmt) {
 943         case XBGR888:
 944                 rga_fmt = RK_FORMAT_RGBX_8888;
 945                 break;
 946         case ABGR888:
 947                 rga_fmt = RK_FORMAT_RGBA_8888;
 948                 break;
 949         case ARGB888:
 950                 rga_fmt = RK_FORMAT_BGRA_8888;
 951                 break;
 952         case RGB888:
 953                 rga_fmt = RK_FORMAT_RGB_888;
 954                 break;
 955         case RGB565:
 956                 rga_fmt = RK_FORMAT_RGB_565;
 957                 break;
 958         case YUV422:
 959                 rga_fmt = RK_FORMAT_YCbCr_422_SP;
 960                 break;
 961         case YUV420:
 962                 rga_fmt = RK_FORMAT_YCbCr_420_SP;
 963                 break;
 964         default:
 965                 rga_fmt = RK_FORMAT_RGBA_8888;
 966                 break;
 967         }
 968
 969         return rga_fmt;
 970 }
 971
 972 static void rga_win_check(struct rk_lcdc_win *dst_win,
 973                           struct rk_lcdc_win *src_win)
 974 {
 975         int format = 0;
 976
 977         format = get_rga_format(src_win->format);
 978         /* width and height must be even number */
 979         if (format >= RK_FORMAT_YCbCr_422_SP &&
 980             format <= RK_FORMAT_YCrCb_420_P) {
 981                 if ((src_win->area[0].xact % 2) != 0)
 982                         src_win->area[0].xact += 1;
 983                 if ((src_win->area[0].yact % 2) != 0)
 984                         src_win->area[0].yact += 1;
 985         }
 986         if (src_win->area[0].xvir < src_win->area[0].xact)
 987                 src_win->area[0].xvir = src_win->area[0].xact;
 988         if (src_win->area[0].yvir < src_win->area[0].yact)
 989                 src_win->area[0].yvir = src_win->area[0].yact;
 990
 991         format = get_rga_format(dst_win->format);
 992         if (format >= RK_FORMAT_YCbCr_422_SP &&
 993             format <= RK_FORMAT_YCrCb_420_P) {
 994                 if ((dst_win->area[0].xact % 2) != 0)
 995                         dst_win->area[0].xact += 1;
 996                 if ((dst_win->area[0].yact % 2) != 0)
 997                         dst_win->area[0].yact += 1;
 998         }
 999         if (dst_win->area[0].xvir < dst_win->area[0].xact)
1000                 dst_win->area[0].xvir = dst_win->area[0].xact;
1001         if (dst_win->area[0].yvir < dst_win->area[0].yact)
1002                 dst_win->area[0].yvir = dst_win->area[0].yact;
1003 }
1004
1005 static void win_copy_by_rga(struct rk_lcdc_win *dst_win,
1006                             struct rk_lcdc_win *src_win,
1007                             u16 orientation, int iommu_en)
1008 {
1009         struct rga_req Rga_Request;
1010         long ret = 0;
1011         /* int fd = 0; */
1012
1013         memset(&Rga_Request, 0, sizeof(Rga_Request));
1014         rga_win_check(dst_win, src_win);
1015
1016         switch (orientation) {
1017         case ROTATE_90:
1018                 Rga_Request.rotate_mode = 1;
1019                 Rga_Request.sina = 65536;
1020                 Rga_Request.cosa = 0;
1021                 Rga_Request.dst.act_w = dst_win->area[0].yact;
1022                 Rga_Request.dst.act_h = dst_win->area[0].xact;
1023                 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1024                 Rga_Request.dst.y_offset = 0;
1025                 break;
1026         case ROTATE_180:
1027                 Rga_Request.rotate_mode = 1;
1028                 Rga_Request.sina = 0;
1029                 Rga_Request.cosa = -65536;
1030                 Rga_Request.dst.act_w = dst_win->area[0].xact;
1031                 Rga_Request.dst.act_h = dst_win->area[0].yact;
1032                 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1033                 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1034                 break;
1035         case ROTATE_270:
1036                 Rga_Request.rotate_mode = 1;
1037                 Rga_Request.sina = -65536;
1038                 Rga_Request.cosa = 0;
1039                 Rga_Request.dst.act_w = dst_win->area[0].yact;
1040                 Rga_Request.dst.act_h = dst_win->area[0].xact;
1041                 Rga_Request.dst.x_offset = 0;
1042                 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1043                 break;
1044         default:
1045                 Rga_Request.rotate_mode = 0;
1046                 Rga_Request.dst.act_w = dst_win->area[0].xact;
1047                 Rga_Request.dst.act_h = dst_win->area[0].yact;
1048                 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1049                 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1050                 break;
1051         }
1052
1053 /*
1054         fd = ion_share_dma_buf_fd(rk_fb->ion_client, src_win->area[0].ion_hdl);
1055         Rga_Request.src.yrgb_addr = fd;
1056         fd = ion_share_dma_buf_fd(rk_fb->ion_client, dst_win->area[0].ion_hdl);
1057         Rga_Request.dst.yrgb_addr = fd;
1058 */
1059         Rga_Request.src.yrgb_addr = 0;
1060         Rga_Request.src.uv_addr =
1061             src_win->area[0].smem_start + src_win->area[0].y_offset;
1062         Rga_Request.src.v_addr = 0;
1063
1064         Rga_Request.dst.yrgb_addr = 0;
1065         Rga_Request.dst.uv_addr =
1066             dst_win->area[0].smem_start + dst_win->area[0].y_offset;
1067         Rga_Request.dst.v_addr = 0;
1068
1069         Rga_Request.src.vir_w = src_win->area[0].xvir;
1070         Rga_Request.src.vir_h = src_win->area[0].yvir;
1071         Rga_Request.src.format = get_rga_format(src_win->format);
1072         Rga_Request.src.act_w = src_win->area[0].xact;
1073         Rga_Request.src.act_h = src_win->area[0].yact;
1074         Rga_Request.src.x_offset = 0;
1075         Rga_Request.src.y_offset = 0;
1076
1077         Rga_Request.dst.vir_w = dst_win->area[0].xvir;
1078         Rga_Request.dst.vir_h = dst_win->area[0].yvir;
1079         Rga_Request.dst.format = get_rga_format(dst_win->format);
1080
1081         Rga_Request.clip.xmin = 0;
1082         Rga_Request.clip.xmax = dst_win->area[0].xact - 1;
1083         Rga_Request.clip.ymin = 0;
1084         Rga_Request.clip.ymax = dst_win->area[0].yact - 1;
1085         Rga_Request.scale_mode = 0;
1086 #if defined(CONFIG_ROCKCHIP_IOMMU)
1087         if (iommu_en) {
1088                 Rga_Request.mmu_info.mmu_en = 1;
1089                 Rga_Request.mmu_info.mmu_flag = 1;
1090         } else {
1091                 Rga_Request.mmu_info.mmu_en = 0;
1092                 Rga_Request.mmu_info.mmu_flag = 0;
1093         }
1094 #else
1095         Rga_Request.mmu_info.mmu_en = 0;
1096         Rga_Request.mmu_info.mmu_flag = 0;
1097 #endif
1098
1099         ret = rga_ioctl_kernel(&Rga_Request);
1100 }
1101
1102 /*
1103  * This function is used for copying fb by RGA Module
1104  * RGA only support copy RGB to RGB
1105  * RGA2 support copy RGB to RGB and YUV to YUV
1106  */
1107 static void fb_copy_by_rga(struct fb_info *dst_info,
1108                                 struct fb_info *src_info)
1109 {
1110         struct rk_fb_par *src_fb_par = (struct rk_fb_par *)src_info->par;
1111         struct rk_fb_par *dst_fb_par = (struct rk_fb_par *)dst_info->par;
1112         struct rk_lcdc_driver *dev_drv = src_fb_par->lcdc_drv;
1113         struct rk_lcdc_driver *ext_dev_drv = dst_fb_par->lcdc_drv;
1114         int win_id = 0, ext_win_id;
1115         struct rk_lcdc_win *src_win, *dst_win;
1116
1117         win_id = dev_drv->ops->fb_get_win_id(dev_drv, src_info->fix.id);
1118         src_win = dev_drv->win[win_id];
1119
1120         ext_win_id =
1121             ext_dev_drv->ops->fb_get_win_id(ext_dev_drv, dst_info->fix.id);
1122         dst_win = ext_dev_drv->win[ext_win_id];
1123
1124         win_copy_by_rga(dst_win, src_win, ext_dev_drv->rotate_mode,
1125                         ext_dev_drv->iommu_enabled);
1126 }
1127
1128 #endif
1129
1130 static int rk_fb_rotate(struct fb_info *dst_info,
1131                           struct fb_info *src_info)
1132 {
1133
1134 #if defined(CONFIG_RK29_IPP)
1135         fb_copy_by_ipp(dst_info, src_info);
1136 #elif defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1137         fb_copy_by_rga(dst_info, src_info);
1138 #else
1139         return -1;
1140 #endif
1141         return 0;
1142 }
1143
1144 static int rk_fb_win_rotate(struct rk_lcdc_win *dst_win,
1145                             struct rk_lcdc_win *src_win,
1146                             u16 rotate, int iommu_en)
1147 {
1148 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1149         win_copy_by_rga(dst_win, src_win, rotate, iommu_en);
1150 #else
1151         return -1;
1152 #endif
1153         return 0;
1154 }
1155
1156 static int rk_fb_set_ext_win_buffer(struct rk_lcdc_win *ext_win,
1157                                          struct rk_lcdc_win *win,
1158                                          u16 rotate, int iommu_en)
1159 {
1160         struct rk_fb *rk_fb =  platform_get_drvdata(fb_pdev);
1161         struct fb_info *ext_info = rk_fb->fb[(rk_fb->num_fb >> 1)];
1162         struct rk_fb_par *ext_fb_par = (struct rk_fb_par *)ext_info->par;
1163         struct rk_lcdc_driver *ext_dev_drv = rk_get_extend_lcdc_drv();
1164         struct rk_lcdc_win *last_win;
1165         static u8 fb_index = 0;
1166         ion_phys_addr_t phy_addr;
1167         size_t len = 0;
1168         int ret = 0;
1169         bool is_yuv = false;
1170
1171         if (unlikely(!ext_win) || unlikely(!win))
1172                 return -1;
1173
1174         if (rk_fb->disp_mode != DUAL || ext_info == NULL)
1175                 return 0;
1176
1177         switch (ext_win->format) {
1178         case YUV422:
1179         case YUV420:
1180         case YUV444:
1181         case YUV422_A:
1182         case YUV420_A:
1183         case YUV444_A:
1184                 is_yuv = true;
1185                 break;
1186         default:
1187                 is_yuv = false;
1188                 break;
1189         }
1190
1191         /* no rotate mode */
1192         if (rotate <= X_Y_MIRROR) {
1193                 if (iommu_en) {
1194                         ret = ion_map_iommu(ext_dev_drv->dev,
1195                                             rk_fb->ion_client,
1196                                             win->area[0].ion_hdl,
1197                                             (unsigned long *)&phy_addr,
1198                                             (unsigned long *)&len);
1199                         if (ret < 0) {
1200                                 dev_err(ext_dev_drv->dev, "ion map to get phy addr failed\n");
1201                                 ion_free(rk_fb->ion_client, win->area[0].ion_hdl);
1202                                 return -ENOMEM;
1203                         }
1204                         ext_win->area[0].smem_start = phy_addr;
1205                         ext_win->area[0].y_offset = win->area[0].y_offset;
1206                         if (is_yuv) {
1207                                 ext_win->area[0].cbr_start = win->area[0].cbr_start;
1208                                 ext_win->area[0].c_offset = win->area[0].c_offset;
1209                         } else {
1210                                 ext_win->area[0].cbr_start = 0;
1211                                 ext_win->area[0].c_offset = 0;
1212                         }
1213                 } else {
1214                         ext_win->area[0].smem_start = win->area[0].smem_start;
1215                         ext_win->area[0].y_offset = win->area[0].y_offset;
1216                         if (is_yuv) {
1217                                 ext_win->area[0].cbr_start = win->area[0].cbr_start;
1218                                 ext_win->area[0].c_offset = win->area[0].c_offset;
1219                         } else {
1220                                 ext_win->area[0].cbr_start = 0;
1221                                 ext_win->area[0].c_offset = 0;
1222                         }
1223                 }
1224
1225                 return 0;
1226         }
1227
1228         /* rotate mode */
1229         if (!iommu_en) {
1230                 if (ext_win->id == 0) {
1231                         ext_win->area[0].smem_start = ext_fb_par->fb_phy_base;
1232                         ext_win->area[0].y_offset = (get_rotate_fb_size() >> 1) * fb_index;
1233                         if ((++fb_index) > 1)
1234                                 fb_index = 0;
1235                 } else {
1236                         ext_win->area[0].y_offset = 0;
1237                         last_win = ext_dev_drv->win[ext_win->id - 1];
1238                         if (last_win->area[0].cbr_start)
1239                                 ext_win->area[0].smem_start =
1240                                         last_win->area[0].cbr_start +
1241                                         last_win->area[0].c_offset +
1242                                         last_win->area[0].xvir * last_win->area[0].yvir;
1243                         else
1244                                 ext_win->area[0].smem_start =
1245                                         last_win->area[0].smem_start +
1246                                         last_win->area[0].y_offset +
1247                                         last_win->area[0].xvir * last_win->area[0].yvir;
1248                 }
1249
1250                 if (is_yuv) {
1251                         ext_win->area[0].cbr_start =
1252                                 ext_win->area[0].smem_start +
1253                                 ext_win->area[0].y_offset +
1254                                 ext_win->area[0].xvir * ext_win->area[0].yvir;
1255                         ext_win->area[0].c_offset = win->area[0].c_offset;
1256                 } else {
1257                         ext_win->area[0].cbr_start = 0;
1258                         ext_win->area[0].c_offset = 0;
1259                 }
1260         }
1261
1262         return 0;
1263 }
1264
1265 static int rk_fb_pan_display(struct fb_var_screeninfo *var,
1266                              struct fb_info *info)
1267 {
1268         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
1269         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1270         struct rk_fb_par *extend_fb_par = NULL;
1271         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1272         struct fb_fix_screeninfo *fix = &info->fix;
1273         struct fb_info *extend_info = NULL;
1274         struct rk_lcdc_driver *extend_dev_drv = NULL;
1275         int win_id = 0, extend_win_id = 0;
1276         struct rk_lcdc_win *extend_win = NULL;
1277         struct rk_lcdc_win *win = NULL;
1278         struct rk_screen *screen = dev_drv->cur_screen;
1279         int fb_id = 0;
1280
1281         u32 xoffset = var->xoffset;
1282         u32 yoffset = var->yoffset;
1283         u32 xvir = var->xres_virtual;
1284         /* u32 yvir = var->yres_virtual; */
1285         /* u8 data_format = var->nonstd&0xff; */
1286
1287         u8 pixel_width;
1288         u32 vir_width_bit;
1289         u32 stride, uv_stride;
1290         u32 stride_32bit_1;
1291         u32 stride_32bit_2;
1292         u16 uv_x_off, uv_y_off, uv_y_act;
1293         u8 is_pic_yuv = 0;
1294
1295         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1296         if (win_id < 0)
1297                 return -ENODEV;
1298         else
1299                 win = dev_drv->win[win_id];
1300
1301         if (rk_fb->disp_mode == DUAL) {
1302                 fb_id = get_extend_fb_id(info);
1303                 extend_info = rk_fb->fb[(rk_fb->num_fb >> 1) + fb_id];
1304                 extend_fb_par = (struct rk_fb_par *)extend_info->par;
1305                 extend_dev_drv = extend_fb_par->lcdc_drv;
1306                 extend_win_id = dev_drv->ops->fb_get_win_id(extend_dev_drv,
1307                                                            extend_info->fix.id);
1308                 extend_win = extend_dev_drv->win[extend_win_id];
1309         }
1310
1311         pixel_width = rk_fb_pixel_width(win->format);
1312         vir_width_bit = pixel_width * xvir;
1313         /* pixel_width = byte_num * 8 */
1314         stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
1315         stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
1316
1317         switch (win->format) {
1318         case YUV422:
1319         case YUV422_A:
1320                 is_pic_yuv = 1;
1321                 stride = stride_32bit_1;
1322                 uv_stride = stride_32bit_1 >> 1;
1323                 uv_x_off = xoffset >> 1;
1324                 uv_y_off = yoffset;
1325                 fix->line_length = stride;
1326                 uv_y_act = win->area[0].yact >> 1;
1327                 break;
1328         case YUV420:            /* 420sp */
1329         case YUV420_A:
1330                 is_pic_yuv = 1;
1331                 stride = stride_32bit_1;
1332                 uv_stride = stride_32bit_1;
1333                 uv_x_off = xoffset;
1334                 uv_y_off = yoffset >> 1;
1335                 fix->line_length = stride;
1336                 uv_y_act = win->area[0].yact >> 1;
1337                 break;
1338         case YUV444:
1339         case YUV444_A:
1340                 is_pic_yuv = 1;
1341                 stride = stride_32bit_1;
1342                 uv_stride = stride_32bit_2;
1343                 uv_x_off = xoffset * 2;
1344                 uv_y_off = yoffset;
1345                 fix->line_length = stride << 2;
1346                 uv_y_act = win->area[0].yact;
1347                 break;
1348         default:
1349                 stride = stride_32bit_1;        /* default rgb */
1350                 fix->line_length = stride;
1351                 break;
1352         }
1353
1354         /* x y mirror ,jump line */
1355         if (screen->y_mirror == 1) {
1356                 if (screen->interlace == 1) {
1357                         win->area[0].y_offset = yoffset * stride * 2 +
1358                             ((win->area[0].yact - 1) * 2 + 1) * stride +
1359                             xoffset * pixel_width / 8;
1360                 } else {
1361                         win->area[0].y_offset = yoffset * stride +
1362                             (win->area[0].yact - 1) * stride +
1363                             xoffset * pixel_width / 8;
1364                 }
1365         } else {
1366                 if (screen->interlace == 1) {
1367                         win->area[0].y_offset =
1368                             yoffset * stride * 2 + xoffset * pixel_width / 8;
1369                 } else {
1370                         win->area[0].y_offset =
1371                             yoffset * stride + xoffset * pixel_width / 8;
1372                 }
1373         }
1374         if (is_pic_yuv == 1) {
1375                 if (screen->y_mirror == 1) {
1376                         if (screen->interlace == 1) {
1377                                 win->area[0].c_offset =
1378                                     uv_y_off * uv_stride * 2 +
1379                                     ((uv_y_act - 1) * 2 + 1) * uv_stride +
1380                                     uv_x_off * pixel_width / 8;
1381                         } else {
1382                                 win->area[0].c_offset = uv_y_off * uv_stride +
1383                                     (uv_y_act - 1) * uv_stride +
1384                                     uv_x_off * pixel_width / 8;
1385                         }
1386                 } else {
1387                         if (screen->interlace == 1) {
1388                                 win->area[0].c_offset =
1389                                     uv_y_off * uv_stride * 2 +
1390                                     uv_x_off * pixel_width / 8;
1391                         } else {
1392                                 win->area[0].c_offset =
1393                                     uv_y_off * uv_stride +
1394                                     uv_x_off * pixel_width / 8;
1395                         }
1396                 }
1397         }
1398
1399         win->area[0].smem_start = fix->smem_start;
1400         win->area[0].cbr_start = fix->mmio_start;
1401         win->area[0].state = 1;
1402         win->area_num = 1;
1403
1404         dev_drv->ops->pan_display(dev_drv, win_id);
1405
1406         if (rk_fb->disp_mode == DUAL) {
1407                 if (extend_info != info && extend_win->state &&
1408                     hdmi_switch_complete) {
1409                         rk_fb_set_ext_win_buffer(extend_win, win,
1410                                                  extend_dev_drv->rotate_mode,
1411                                                  extend_dev_drv->iommu_enabled);
1412                         if (extend_dev_drv->rotate_mode > X_Y_MIRROR)
1413                                 rk_fb_rotate(extend_info, info);
1414
1415                         extend_dev_drv->ops->pan_display(extend_dev_drv,
1416                                                          extend_win_id);
1417                         extend_dev_drv->ops->cfg_done(extend_dev_drv);
1418                 }
1419         }
1420 #ifdef  CONFIG_FB_MIRRORING
1421         if (video_data_to_mirroring)
1422                 video_data_to_mirroring(info, NULL);
1423 #endif
1424         dev_drv->ops->cfg_done(dev_drv);
1425         return 0;
1426 }
1427
1428 static int rk_fb_get_list_stat(struct rk_lcdc_driver *dev_drv)
1429 {
1430         int i, j;
1431
1432         i = list_empty(&dev_drv->update_regs_list);
1433         j = list_empty(&saved_list);
1434         return i == j ? 0 : 1;
1435 }
1436
1437 void rk_fd_fence_wait(struct rk_lcdc_driver *dev_drv, struct sync_fence *fence)
1438 {
1439         int err = sync_fence_wait(fence, 1000);
1440
1441         if (err >= 0)
1442                 return;
1443
1444         if (err == -ETIME)
1445                 err = sync_fence_wait(fence, 10 * MSEC_PER_SEC);
1446
1447         if (err < 0)
1448                 printk("error waiting on fence\n");
1449 }
1450 #if 0
1451 static int rk_fb_copy_from_loader(struct fb_info *info)
1452 {
1453         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1454         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1455         void *dst = info->screen_base;
1456         u32 dsp_addr[4];
1457         u32 src;
1458         u32 i,size;
1459         int win_id;
1460         struct rk_lcdc_win *win;
1461
1462         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1463         win = dev_drv->win[win_id];
1464         size = (win->area[0].xact) * (win->area[0].yact) << 2;
1465         dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1466         src = dsp_addr[win_id];
1467         dev_info(info->dev, "copy fb data %d x %d  from  dst_addr:%08x\n",
1468                  win->area[0].xact, win->area[0].yact, src);
1469         for (i = 0; i < size; i += PAGE_SIZE) {
1470                 void *page = phys_to_page(i + src);
1471                 void *from_virt = kmap(page);
1472                 void *to_virt = dst + i;
1473                 memcpy(to_virt, from_virt, PAGE_SIZE);
1474         }
1475         dev_drv->ops->direct_set_addr(dev_drv, win_id,
1476                                       info->fix.smem_start);
1477         return 0;
1478 }
1479 #endif
1480 #ifdef CONFIG_ROCKCHIP_IOMMU
1481 static int g_last_addr[4];
1482 int g_last_timeout;
1483 u32 freed_addr[10];
1484 u32 freed_index;
1485
1486 #define DUMP_CHUNK 256
1487 char buf[PAGE_SIZE];
1488
1489 int rk_fb_sysmmu_fault_handler(struct device *dev,
1490                                enum rk_iommu_inttype itype,
1491                                unsigned long pgtable_base,
1492                                unsigned long fault_addr, unsigned int status)
1493 {
1494         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
1495         int i = 0;
1496         static int page_fault_cnt;
1497         if ((page_fault_cnt++) >= 10)
1498                 return 0;
1499         pr_err
1500             ("PAGE FAULT occurred at 0x%lx (Page table base: 0x%lx),status=%d\n",
1501              fault_addr, pgtable_base, status);
1502         printk("last config addr:\n" "win0:0x%08x\n" "win1:0x%08x\n"
1503                "win2:0x%08x\n" "win3:0x%08x\n", g_last_addr[0], g_last_addr[1],
1504                g_last_addr[2], g_last_addr[3]);
1505         printk("last freed buffer:\n");
1506         for (i = 0; (freed_addr[i] != 0xfefefefe) && freed_addr[i]; i++)
1507                 printk("%d:0x%08x\n", i, freed_addr[i]);
1508         printk("last timeout:%d\n", g_last_timeout);
1509         dev_drv->ops->get_disp_info(dev_drv, buf, 0);
1510         for (i = 0; i < PAGE_SIZE; i += DUMP_CHUNK) {
1511                 if ((PAGE_SIZE - i) > DUMP_CHUNK) {
1512                         char c = buf[i + DUMP_CHUNK];
1513                         buf[i + DUMP_CHUNK] = 0;
1514                         pr_cont("%s", buf + i);
1515                         buf[i + DUMP_CHUNK] = c;
1516                 } else {
1517                         buf[PAGE_SIZE - 1] = 0;
1518                         pr_cont("%s", buf + i);
1519                 }
1520         }
1521
1522         return 0;
1523 }
1524 #endif
1525
1526 void rk_fb_free_dma_buf(struct rk_lcdc_driver *dev_drv,
1527                         struct rk_fb_reg_win_data *reg_win_data)
1528 {
1529         int i, index_buf;
1530         struct rk_fb_reg_area_data *area_data;
1531         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1532 #if defined(CONFIG_ROCKCHIP_IOMMU)
1533         struct rk_lcdc_driver *ext_dev_drv = rk_get_extend_lcdc_drv();
1534 #endif
1535
1536         for (i = 0; i < reg_win_data->area_num; i++) {
1537                 area_data = &reg_win_data->reg_area_data[i];
1538                 index_buf = area_data->index_buf;
1539 #if defined(CONFIG_ROCKCHIP_IOMMU)
1540                 if (dev_drv->iommu_enabled) {
1541                         if (rk_fb->disp_policy != DISPLAY_POLICY_BOX)
1542                         ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client,
1543                                         area_data->ion_handle);
1544                         freed_addr[freed_index++] = area_data->smem_start;
1545                 }
1546                 if (rk_fb->disp_mode == DUAL && hdmi_switch_complete) {
1547                         if (ext_dev_drv->iommu_enabled)
1548                                 ion_unmap_iommu(ext_dev_drv->dev,
1549                                                 rk_fb->ion_client,
1550                                                 area_data->ion_handle);
1551                 }
1552 #endif
1553                 if (area_data->ion_handle != NULL) {
1554                         ion_unmap_kernel(rk_fb->ion_client,
1555                                          area_data->ion_handle);
1556                         ion_free(rk_fb->ion_client, area_data->ion_handle);
1557                 }
1558                 if (area_data->acq_fence)
1559                         sync_fence_put(area_data->acq_fence);
1560         }
1561         memset(reg_win_data, 0, sizeof(struct rk_fb_reg_win_data));
1562 }
1563
1564 /*
1565  * function: update extend win info acorrding to primary win info,
1566         the function is only used for dual display mode
1567  * @ext_dev_drv: the extend lcdc driver
1568  * @dev_drv: the primary lcdc driver
1569  * @ext_win: the lcdc win info of extend screen
1570  * @win: the lcdc win info of primary screen
1571  */
1572 static int rk_fb_update_ext_win(struct rk_lcdc_driver *ext_dev_drv,
1573                                      struct rk_lcdc_driver *dev_drv,
1574                                      struct rk_lcdc_win *ext_win,
1575                                      struct rk_lcdc_win *win)
1576 {
1577         struct rk_screen *screen = dev_drv->cur_screen;
1578         struct rk_screen *ext_screen = ext_dev_drv->cur_screen;
1579         int hdmi_xsize = ext_screen->xsize;
1580         int hdmi_ysize = ext_screen->ysize;
1581         int pixel_width, vir_width_bit, y_stride;
1582         bool is_yuv = false;
1583         int rotate_mode = 0;
1584
1585         if (unlikely(!dev_drv) || unlikely(!ext_dev_drv) ||
1586             unlikely(!ext_win) || unlikely(!win))
1587                 return -1;
1588
1589         rotate_mode = ext_dev_drv->rotate_mode;
1590
1591         if (ext_win->state == 0) {
1592                 dev_info(ext_dev_drv->dev, "extend lcdc win is closed\n");
1593                 return 0;
1594         }
1595
1596         ext_win->area[0].state = win->area[0].state;
1597         ext_win->area_num = win->area_num;
1598         ext_win->format = win->format;
1599         ext_win->fmt_10 = win->fmt_10;
1600         ext_win->z_order = win->z_order;
1601         ext_win->alpha_en = win->alpha_en;
1602         ext_win->alpha_mode = win->alpha_mode;
1603         ext_win->g_alpha_val = win->g_alpha_val;
1604
1605         switch (ext_win->format) {
1606         case YUV422:
1607         case YUV420:
1608         case YUV444:
1609         case YUV422_A:
1610         case YUV420_A:
1611         case YUV444_A:
1612                 is_yuv = true;
1613                 break;
1614         default:
1615                 is_yuv = false;
1616                 break;
1617         }
1618
1619         if (rotate_mode == ROTATE_90 || rotate_mode == ROTATE_270) {
1620                 ext_win->area[0].xact = win->area[0].yact;
1621                 ext_win->area[0].yact = win->area[0].xact;
1622                 ext_win->area[0].xvir = win->area[0].yact;
1623                 ext_win->area[0].yvir = win->area[0].xact;
1624
1625                 pixel_width = rk_fb_pixel_width(ext_win->format);
1626                 vir_width_bit = pixel_width * ext_win->area[0].xvir;
1627                 y_stride = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
1628                 ext_win->area[0].y_vir_stride = y_stride >> 2;
1629                 if (is_yuv)
1630                         ext_win->area[0].uv_vir_stride = ext_win->area[0].y_vir_stride;
1631                 else
1632                         ext_win->area[0].uv_vir_stride = 0;
1633         } else {
1634                 ext_win->area[0].xact = win->area[0].xact;
1635                 ext_win->area[0].yact = win->area[0].yact;
1636                 if (win->area[0].xvir == 0)
1637                         ext_win->area[0].xvir = win->area[0].xact;
1638                 else
1639                         ext_win->area[0].xvir = win->area[0].xvir;
1640                 if (win->area[0].yvir == 0)
1641                         ext_win->area[0].yvir = win->area[0].yact;
1642                 else
1643                         ext_win->area[0].yvir = win->area[0].yvir;
1644                 ext_win->area[0].y_vir_stride = win->area[0].y_vir_stride;
1645                 if (is_yuv)
1646                         ext_win->area[0].uv_vir_stride = win->area[0].uv_vir_stride;
1647                 else
1648                         ext_win->area[0].uv_vir_stride = 0;
1649         }
1650
1651         if (win->area[0].xpos != 0 || win->area[0].ypos != 0) {
1652                 if (rotate_mode == ROTATE_270) {
1653                         int xbom_pos = 0, ybom_pos = 0;
1654                         int xtop_pos = 0, ytop_pos = 0;
1655
1656                         ext_win->area[0].xsize =
1657                                 hdmi_xsize * win->area[0].ysize / screen->mode.yres;
1658                         ext_win->area[0].ysize =
1659                                 hdmi_ysize * win->area[0].xsize / screen->mode.xres;
1660                         xbom_pos =
1661                                 hdmi_xsize * win->area[0].ypos / screen->mode.yres;
1662                         ybom_pos = hdmi_ysize * win->area[0].xpos / screen->mode.xres;
1663                         xtop_pos = hdmi_xsize - ext_win->area[0].xsize - xbom_pos;
1664                         ytop_pos = hdmi_ysize - ext_win->area[0].ysize - ybom_pos;
1665                         ext_win->area[0].xpos =
1666                                 ((ext_screen->mode.xres - hdmi_xsize) >> 1) + xtop_pos;
1667                         ext_win->area[0].ypos =
1668                                 ((ext_screen->mode.yres - hdmi_ysize) >> 1) + ytop_pos;
1669                 } else if (rotate_mode == ROTATE_90) {
1670                         ext_win->area[0].xsize =
1671                                 hdmi_xsize * win->area[0].ysize / screen->mode.yres;
1672                         ext_win->area[0].ysize =
1673                                 hdmi_ysize * win->area[0].xsize / screen->mode.xres;
1674                         ext_win->area[0].xpos =
1675                                 ((ext_screen->mode.xres - hdmi_xsize) >> 1) +
1676                                 hdmi_xsize * win->area[0].ypos / screen->mode.yres;
1677                         ext_win->area[0].ypos =
1678                                 ((ext_screen->mode.yres - hdmi_ysize) >> 1) +
1679                                 hdmi_ysize * win->area[0].xpos / screen->mode.xres;
1680                 } else {
1681                         ext_win->area[0].xsize =
1682                                 hdmi_xsize * win->area[0].xsize / screen->mode.xres;
1683                         ext_win->area[0].ysize =
1684                                 hdmi_ysize * win->area[0].ysize / screen->mode.yres;
1685                         ext_win->area[0].xpos =
1686                                 ((ext_screen->mode.xres - hdmi_xsize) >> 1) +
1687                                 hdmi_xsize * win->area[0].xpos / screen->mode.xres;
1688                         ext_win->area[0].ypos =
1689                                 ((ext_screen->mode.yres - hdmi_ysize) >> 1) +
1690                                 hdmi_ysize * win->area[0].ypos / screen->mode.yres;
1691                 }
1692         } else {
1693                 ext_win->area[0].xsize = hdmi_xsize;
1694                 ext_win->area[0].ysize = hdmi_ysize;
1695                 ext_win->area[0].xpos =
1696                         (ext_screen->mode.xres - hdmi_xsize) >> 1;
1697                 ext_win->area[0].ypos =
1698                         (ext_screen->mode.yres - hdmi_ysize) >> 1;
1699         }
1700
1701         return 0;
1702 }
1703
1704 static void rk_fb_update_win(struct rk_lcdc_driver *dev_drv,
1705                                 struct rk_lcdc_win *win,
1706                                 struct rk_fb_reg_win_data *reg_win_data)
1707 {
1708         int i = 0;
1709         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
1710         struct rk_screen *cur_screen;
1711         struct rk_screen primary_screen;
1712
1713         if (unlikely(!inf) || unlikely(!dev_drv) ||
1714             unlikely(!win) || unlikely(!reg_win_data))
1715                 return;
1716
1717         cur_screen = dev_drv->cur_screen;
1718         rk_fb_get_prmry_screen(&primary_screen);
1719
1720         win->area_num = reg_win_data->area_num;
1721         win->format = reg_win_data->data_format;
1722         win->id = reg_win_data->win_id;
1723         win->z_order = reg_win_data->z_order;
1724
1725         if (reg_win_data->reg_area_data[0].smem_start > 0) {
1726                 win->state = 1;
1727                 win->area_num = reg_win_data->area_num;
1728                 win->format = reg_win_data->data_format;
1729                 win->id = reg_win_data->win_id;
1730                 win->z_order = reg_win_data->z_order;
1731                 win->area[0].uv_vir_stride =
1732                     reg_win_data->reg_area_data[0].uv_vir_stride;
1733                 win->area[0].cbr_start =
1734                     reg_win_data->reg_area_data[0].cbr_start;
1735                 win->area[0].c_offset = reg_win_data->reg_area_data[0].c_offset;
1736                 win->alpha_en = reg_win_data->alpha_en;
1737                 win->alpha_mode = reg_win_data->alpha_mode;
1738                 win->g_alpha_val = reg_win_data->g_alpha_val;
1739                 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
1740                         if (reg_win_data->reg_area_data[i].smem_start > 0) {
1741                                 if (inf->disp_policy != DISPLAY_POLICY_BOX)
1742                                         win->area[i].ion_hdl =
1743                                         reg_win_data->reg_area_data[i].ion_handle;
1744                                 win->area[i].smem_start =
1745                                         reg_win_data->reg_area_data[i].smem_start;
1746                                 if (inf->disp_mode == DUAL ||
1747                                     inf->disp_policy == DISPLAY_POLICY_BOX) {
1748                                         win->area[i].xpos =
1749                                                 reg_win_data->reg_area_data[i].xpos;
1750                                         win->area[i].ypos =
1751                                                 reg_win_data->reg_area_data[i].ypos;
1752                                         win->area[i].xsize =
1753                                                 reg_win_data->reg_area_data[i].xsize;
1754                                         win->area[i].ysize =
1755                                                 reg_win_data->reg_area_data[i].ysize;
1756                                 } else {
1757                                         win->area[i].xpos =
1758                                                 reg_win_data->reg_area_data[i].xpos *
1759                                                 cur_screen->mode.xres /
1760                                                 primary_screen.mode.xres;
1761                                         win->area[i].ypos =
1762                                                 reg_win_data->reg_area_data[i].ypos *
1763                                                 cur_screen->mode.yres /
1764                                                 primary_screen.mode.yres;
1765                                         win->area[i].xsize =
1766                                                 reg_win_data->reg_area_data[i].xsize *
1767                                                 cur_screen->mode.xres /
1768                                                 primary_screen.mode.xres;
1769                                         win->area[i].ysize =
1770                                                 reg_win_data->reg_area_data[i].ysize *
1771                                                 cur_screen->mode.yres /
1772                                                 primary_screen.mode.yres;
1773                                 }
1774                                 win->area[i].xact =
1775                                     reg_win_data->reg_area_data[i].xact;
1776                                 win->area[i].yact =
1777                                     reg_win_data->reg_area_data[i].yact;
1778                                 win->area[i].xvir =
1779                                     reg_win_data->reg_area_data[i].xvir;
1780                                 win->area[i].yvir =
1781                                     reg_win_data->reg_area_data[i].yvir;
1782                                 win->area[i].y_offset =
1783                                     reg_win_data->reg_area_data[i].y_offset;
1784                                 win->area[i].y_vir_stride =
1785                                     reg_win_data->reg_area_data[i].y_vir_stride;
1786                                 win->area[i].state = 1;
1787                         } else {
1788                                 win->area[i].state = 0;
1789                         }
1790                 }
1791         } else {
1792         /*
1793                 win->state = 0;
1794                 win->z_order = -1;
1795         */
1796         }
1797 }
1798
1799 static struct rk_fb_reg_win_data *rk_fb_get_win_data(struct rk_fb_reg_data
1800                                                      *regs, int win_id)
1801 {
1802         int i;
1803         struct rk_fb_reg_win_data *win_data = NULL;
1804         for (i = 0; i < regs->win_num; i++) {
1805                 if (regs->reg_win_data[i].win_id == win_id) {
1806                         win_data = &(regs->reg_win_data[i]);
1807                         break;
1808                 }
1809         }
1810
1811         return win_data;
1812 }
1813
1814 static void rk_fb_update_reg(struct rk_lcdc_driver *dev_drv,
1815                              struct rk_fb_reg_data *regs)
1816 {
1817         int i, j;
1818         struct rk_lcdc_win *win;
1819         ktime_t timestamp = dev_drv->vsync_info.timestamp;
1820         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1821         struct rk_lcdc_driver *ext_dev_drv;
1822         struct rk_lcdc_win *ext_win;
1823         struct rk_fb_reg_win_data *win_data;
1824         bool wait_for_vsync;
1825         int count = 100;
1826         unsigned int dsp_addr[4];
1827         long timeout;
1828
1829         /* acq_fence wait */
1830         for (i = 0; i < regs->win_num; i++) {
1831                 win_data = &regs->reg_win_data[i];
1832                 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1833                         if (win_data->reg_area_data[j].acq_fence) {
1834                                 /* printk("acq_fence wait!!!!!\n"); */
1835                                 rk_fd_fence_wait(dev_drv, win_data->reg_area_data[j].acq_fence);
1836                         }
1837                 }
1838         }
1839
1840         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1841                 win = dev_drv->win[i];
1842                 win_data = rk_fb_get_win_data(regs, i);
1843                 if (win_data) {
1844                         if (rk_fb->disp_policy == DISPLAY_POLICY_BOX &&
1845                              win_data->data_format == YUV420)
1846                                 continue;
1847                         rk_fb_update_win(dev_drv, win, win_data);
1848                         win->state = 1;
1849                         dev_drv->ops->set_par(dev_drv, i);
1850                         dev_drv->ops->pan_display(dev_drv, i);
1851 #if defined(CONFIG_ROCKCHIP_IOMMU)
1852                         if (dev_drv->iommu_enabled) {
1853                                 g_last_addr[i] = win_data->reg_area_data[0].smem_start +
1854                                         win_data->reg_area_data[0].y_offset;
1855                         }
1856 #endif
1857                 } else {
1858                         win->z_order = -1;
1859                         win->state = 0;
1860                 }
1861         }
1862         dev_drv->ops->ovl_mgr(dev_drv, 0, 1);
1863         if (rk_fb->disp_policy == DISPLAY_POLICY_BOX)
1864                 dev_drv->ops->cfg_done(dev_drv);
1865         if ((rk_fb->disp_mode == DUAL)
1866             && (hdmi_get_hotplug() == HDMI_HPD_ACTIVED)
1867             && hdmi_switch_complete) {
1868                 ext_dev_drv = rk_get_extend_lcdc_drv();
1869                 if (!ext_dev_drv) {
1870                         printk(KERN_ERR "hdmi lcdc driver not found!\n");
1871                         goto ext_win_exit;
1872                 }
1873
1874                 /*
1875                   * For RK3288: win0 and win1 have only one area and support scale
1876                   * but win2 and win3 don't support scale
1877                   * so hdmi only use win0 or win1
1878                   */
1879                 for (i = 0; i < 2; i++) {
1880                         win = dev_drv->win[i];
1881                         ext_win = ext_dev_drv->win[i];
1882                         ext_win->state = win->state;
1883                         ext_win->id = win->id;
1884                         if (!ext_win->state)
1885                                 continue;
1886                         rk_fb_update_ext_win(ext_dev_drv, dev_drv, ext_win, win);
1887                         rk_fb_set_ext_win_buffer(ext_win, win,
1888                                                  ext_dev_drv->rotate_mode,
1889                                                  ext_dev_drv->iommu_enabled);
1890
1891                         if (ext_dev_drv->rotate_mode > X_Y_MIRROR)
1892                                 rk_fb_win_rotate(ext_win, win,
1893                                                  ext_dev_drv->rotate_mode,
1894                                                  ext_dev_drv->iommu_enabled);
1895
1896                         ext_dev_drv->ops->set_par(ext_dev_drv, i);
1897                         ext_dev_drv->ops->pan_display(ext_dev_drv, i);
1898                 }
1899
1900                 ext_dev_drv->ops->cfg_done(ext_dev_drv);
1901         }
1902 ext_win_exit:
1903         dev_drv->ops->cfg_done(dev_drv);
1904
1905         do {
1906                 timestamp = dev_drv->vsync_info.timestamp;
1907                 timeout = wait_event_interruptible_timeout(dev_drv->vsync_info.wait,
1908                                 ktime_compare(dev_drv->vsync_info.timestamp, timestamp) > 0,
1909                                 msecs_to_jiffies(25));
1910                 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1911                 wait_for_vsync = false;
1912                 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1913                         if (dev_drv->win[i]->state == 1) {
1914                                 if (rk_fb->disp_policy == DISPLAY_POLICY_BOX &&
1915                                     (dev_drv->win[i]->format == YUV420 ||
1916                                      !strcmp(dev_drv->win[i]->name, "hwc"))) {
1917                                         continue;
1918                                 } else {
1919                                         u32 new_start =
1920                                             dev_drv->win[i]->area[0].smem_start +
1921                                             dev_drv->win[i]->area[0].y_offset;
1922                                         u32 reg_start = dsp_addr[i];
1923
1924                                         if ((rk_fb->disp_policy ==
1925                                              DISPLAY_POLICY_BOX) &&
1926                                             (new_start == 0x0 ||
1927                                              dev_drv->suspend_flag))
1928                                                 continue;
1929                                         if (unlikely(new_start != reg_start)) {
1930                                                 wait_for_vsync = true;
1931                                                 dev_info(dev_drv->dev,
1932                                                        "win%d:new_addr:0x%08x cur_addr:0x%08x--%d\n",
1933                                                        i, new_start, reg_start, 101 - count);
1934                                                 break;
1935                                         }
1936                                 }
1937                         }
1938                 }
1939         } while (wait_for_vsync && count--);
1940 #ifdef H_USE_FENCE
1941         sw_sync_timeline_inc(dev_drv->timeline, 1);
1942 #endif
1943         if (!g_first_buf) {
1944 #if defined(CONFIG_ROCKCHIP_IOMMU)
1945                 if (dev_drv->iommu_enabled) {
1946                         freed_index = 0;
1947                         g_last_timeout = timeout;
1948                 }
1949 #endif
1950                 for (i = 0; i < g_last_win_num; i++)
1951                         rk_fb_free_dma_buf(dev_drv, &g_reg_win_data[i]);
1952
1953 #if defined(CONFIG_ROCKCHIP_IOMMU)
1954                 if (dev_drv->iommu_enabled)
1955                         freed_addr[freed_index] = 0xfefefefe;
1956 #endif
1957         }
1958         for (i = 0; i < regs->win_num; i++) {
1959                 memcpy(&g_reg_win_data[i], &(regs->reg_win_data[i]),
1960                        sizeof(struct rk_fb_reg_win_data));
1961         }
1962         g_last_win_num = regs->win_num;
1963         g_first_buf = 0;
1964 }
1965
1966 static void rk_fb_update_regs_handler(struct kthread_work *work)
1967 {
1968         struct rk_lcdc_driver *dev_drv =
1969             container_of(work, struct rk_lcdc_driver, update_regs_work);
1970         struct rk_fb_reg_data *data, *next;
1971         /* struct list_head saved_list; */
1972
1973         mutex_lock(&dev_drv->update_regs_list_lock);
1974         saved_list = dev_drv->update_regs_list;
1975         list_replace_init(&dev_drv->update_regs_list, &saved_list);
1976         mutex_unlock(&dev_drv->update_regs_list_lock);
1977
1978         list_for_each_entry_safe(data, next, &saved_list, list) {
1979                 rk_fb_update_reg(dev_drv, data);
1980                 list_del(&data->list);
1981                 kfree(data);
1982         }
1983
1984         if (dev_drv->wait_fs && list_empty(&dev_drv->update_regs_list))
1985                 wake_up(&dev_drv->update_regs_wait);
1986 }
1987
1988 static int rk_fb_check_config_var(struct rk_fb_area_par *area_par,
1989                                   struct rk_screen *screen)
1990 {
1991         if ((area_par->x_offset + area_par->xact > area_par->xvir) ||
1992             (area_par->xact <= 0) || (area_par->yact <= 0) ||
1993             (area_par->xvir <= 0) || (area_par->yvir <= 0)) {
1994                 pr_err("check config var fail 0:\n"
1995                        "x_offset=%d,xact=%d,xvir=%d\n",
1996                        area_par->x_offset, area_par->xact, area_par->xvir);
1997                 return -EINVAL;
1998         }
1999
2000         if ((area_par->xpos + area_par->xsize > screen->mode.xres) ||
2001             (area_par->ypos + area_par->ysize > screen->mode.yres) ||
2002             (area_par->xsize <= 0) || (area_par->ysize <= 0)) {
2003                 pr_err("check config var fail 1:\n"
2004                        "xpos=%d,xsize=%d,xres=%d\n"
2005                        "ypos=%d,ysize=%d,yres=%d\n",
2006                        area_par->xpos, area_par->xsize, screen->mode.xres,
2007                        area_par->ypos, area_par->ysize, screen->mode.yres);
2008                 return -EINVAL;
2009         }
2010         return 0;
2011 }
2012
2013 static int rk_fb_set_win_buffer(struct fb_info *info,
2014                                 struct rk_fb_win_par *win_par,
2015                                 struct rk_fb_reg_win_data *reg_win_data)
2016 {
2017         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2018         struct fb_fix_screeninfo *fix = &info->fix;
2019         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2020         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2021         struct rk_screen *screen = dev_drv->cur_screen;
2022         struct rk_screen primary_screen;
2023         struct fb_info *fbi = rk_fb->fb[0];
2024         int i, ion_fd, acq_fence_fd;
2025         u32 xvir, yvir;
2026         u32 xoffset, yoffset;
2027
2028         struct ion_handle *hdl;
2029         size_t len;
2030         int index_buf;
2031         u8 fb_data_fmt;
2032         u8 pixel_width;
2033         u32 vir_width_bit;
2034         u32 stride, uv_stride;
2035         u32 stride_32bit_1;
2036         u32 stride_32bit_2;
2037         u16 uv_x_off, uv_y_off, uv_y_act;
2038         u8 is_pic_yuv = 0;
2039         u8 ppixel_a = 0, global_a = 0;
2040         ion_phys_addr_t phy_addr;
2041         int ret = 0;
2042
2043         reg_win_data->reg_area_data[0].smem_start = -1;
2044         reg_win_data->area_num = 0;
2045         fbi = rk_fb->fb[reg_win_data->win_id];
2046         if (win_par->area_par[0].phy_addr == 0) {
2047                 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
2048                         ion_fd = win_par->area_par[i].ion_fd;
2049                         if (ion_fd > 0) {
2050                                 hdl =
2051                                     ion_import_dma_buf(rk_fb->ion_client,
2052                                                        ion_fd);
2053                                 if (IS_ERR(hdl)) {
2054                                         pr_info
2055                                             ("%s: Could not import handle: %d\n",
2056                                              __func__, (int)hdl);
2057                                         /*return -EINVAL; */
2058                                         break;
2059                                 }
2060                                 fbi->screen_base =
2061                                     ion_map_kernel(rk_fb->ion_client, hdl);
2062                                 reg_win_data->area_num++;
2063                                 reg_win_data->reg_area_data[i].ion_handle = hdl;
2064 #ifndef CONFIG_ROCKCHIP_IOMMU
2065                                 ret = ion_phys(rk_fb->ion_client, hdl, &phy_addr,
2066                                                 &len);
2067 #else
2068                                 if (dev_drv->iommu_enabled)
2069                                         ret = ion_map_iommu(dev_drv->dev,
2070                                                                 rk_fb->ion_client,
2071                                                                 hdl,
2072                                                                 (unsigned long *)&phy_addr,
2073                                                                 (unsigned long *)&len);
2074                                 else
2075                                         ret = ion_phys(rk_fb->ion_client, hdl,
2076                                                         &phy_addr, &len);
2077 #endif
2078                                 if (ret < 0) {
2079                                         dev_err(fbi->dev, "ion map to get phy addr failed\n");
2080                                         ion_free(rk_fb->ion_client, hdl);
2081                                         return -ENOMEM;
2082                                 }
2083                                 reg_win_data->reg_area_data[i].smem_start = phy_addr;
2084                                 reg_win_data->area_buf_num++;
2085                                 reg_win_data->reg_area_data[i].index_buf = 1;
2086                         }
2087                 }
2088         } else {
2089                 reg_win_data->reg_area_data[0].smem_start =
2090                     win_par->area_par[0].phy_addr;
2091                 reg_win_data->area_num = 1;
2092                 fbi->screen_base = phys_to_virt(win_par->area_par[0].phy_addr);
2093         }
2094
2095         if (reg_win_data->area_num == 0)
2096                 return 0;
2097
2098         for (i = 0; i < reg_win_data->area_num; i++) {
2099                 acq_fence_fd = win_par->area_par[i].acq_fence_fd;
2100                 index_buf = reg_win_data->reg_area_data[i].index_buf;
2101                 if ((acq_fence_fd > 0) && (index_buf == 1)) {
2102                         reg_win_data->reg_area_data[i].acq_fence =
2103                             sync_fence_fdget(win_par->area_par[i].acq_fence_fd);
2104                 }
2105         }
2106         fb_data_fmt = rk_fb_data_fmt(win_par->data_format, 0);
2107         reg_win_data->data_format = fb_data_fmt;
2108         pixel_width = rk_fb_pixel_width(fb_data_fmt);
2109
2110         ppixel_a = ((fb_data_fmt == ARGB888) ||
2111                     (fb_data_fmt == ABGR888)) ? 1 : 0;
2112         global_a = (win_par->g_alpha_val == 0) ? 0 : 1;
2113         reg_win_data->alpha_en = ppixel_a | global_a;
2114         reg_win_data->g_alpha_val = win_par->g_alpha_val;
2115         reg_win_data->alpha_mode = win_par->alpha_mode;
2116         if (reg_win_data->reg_area_data[0].smem_start > 0) {
2117                 reg_win_data->z_order = win_par->z_order;
2118                 reg_win_data->win_id = win_par->win_id;
2119         } else {
2120                 reg_win_data->z_order = -1;
2121                 reg_win_data->win_id = -1;
2122         }
2123
2124         rk_fb_get_prmry_screen(&primary_screen);
2125         for (i = 0; i < reg_win_data->area_num; i++) {
2126                 if (rk_fb->disp_policy == DISPLAY_POLICY_BOX)
2127                         rk_fb_check_config_var(&win_par->area_par[i], screen);
2128                 else
2129                         rk_fb_check_config_var(&win_par->area_par[i], &primary_screen);
2130                 /* visiable pos in panel */
2131                 reg_win_data->reg_area_data[i].xpos = win_par->area_par[i].xpos;
2132                 reg_win_data->reg_area_data[i].ypos = win_par->area_par[i].ypos;
2133
2134                 /* realy size in panel */
2135                 reg_win_data->reg_area_data[i].xsize = win_par->area_par[i].xsize;
2136                 reg_win_data->reg_area_data[i].ysize = win_par->area_par[i].ysize;
2137
2138                 /* realy size in panel */
2139                 reg_win_data->reg_area_data[i].xact = win_par->area_par[i].xact;
2140                 reg_win_data->reg_area_data[i].yact = win_par->area_par[i].yact;
2141
2142                 xoffset = win_par->area_par[i].x_offset;        /* buf offset */
2143                 yoffset = win_par->area_par[i].y_offset;
2144                 xvir = win_par->area_par[i].xvir;
2145                 reg_win_data->reg_area_data[i].xvir = xvir;
2146                 yvir = win_par->area_par[i].yvir;
2147                 reg_win_data->reg_area_data[i].yvir = yvir;
2148
2149                 vir_width_bit = pixel_width * xvir;
2150                 /* pixel_width = byte_num*8 */
2151                 stride_32bit_1 = ((vir_width_bit + 31) & (~31)) / 8;
2152                 stride_32bit_2 = ((vir_width_bit * 2 + 31) & (~31)) / 8;
2153
2154                 stride = stride_32bit_1;        /* default rgb */
2155                 fix->line_length = stride;
2156                 reg_win_data->reg_area_data[i].y_vir_stride = stride >> 2;
2157
2158                 /* x y mirror ,jump line
2159                  * reg_win_data->reg_area_data[i].y_offset =
2160                  *              yoffset*stride+xoffset*pixel_width/8;
2161                  */
2162                 if (screen->y_mirror == 1) {
2163                         if (screen->interlace == 1) {
2164                                 reg_win_data->reg_area_data[i].y_offset =
2165                                     yoffset * stride * 2 +
2166                                     ((reg_win_data->reg_area_data[i].yact - 1) * 2 + 1) * stride +
2167                                     xoffset * pixel_width / 8;
2168                         } else {
2169                                 reg_win_data->reg_area_data[i].y_offset =
2170                                     yoffset * stride +
2171                                     (reg_win_data->reg_area_data[i].yact - 1) * stride +
2172                                     xoffset * pixel_width / 8;
2173                         }
2174                 } else {
2175                         if (screen->interlace == 1) {
2176                                 reg_win_data->reg_area_data[i].y_offset =
2177                                     yoffset * stride * 2 +
2178                                     xoffset * pixel_width / 8;
2179                         } else {
2180                                 reg_win_data->reg_area_data[i].y_offset =
2181                                     yoffset * stride +
2182                                     xoffset * pixel_width / 8;
2183                         }
2184                 }
2185         }
2186         switch (fb_data_fmt) {
2187         case YUV422:
2188         case YUV422_A:
2189                 is_pic_yuv = 1;
2190                 stride = stride_32bit_1;
2191                 uv_stride = stride_32bit_1 >> 1;
2192                 uv_x_off = xoffset >> 1;
2193                 uv_y_off = yoffset;
2194                 fix->line_length = stride;
2195                 uv_y_act = win_par->area_par[0].yact >> 1;
2196                 break;
2197         case YUV420:            /* 420sp */
2198         case YUV420_A:
2199                 is_pic_yuv = 1;
2200                 stride = stride_32bit_1;
2201                 uv_stride = stride_32bit_1;
2202                 uv_x_off = xoffset;
2203                 uv_y_off = yoffset >> 1;
2204                 fix->line_length = stride;
2205                 uv_y_act = win_par->area_par[0].yact >> 1;
2206                 break;
2207         case YUV444:
2208         case YUV444_A:
2209                 is_pic_yuv = 1;
2210                 stride = stride_32bit_1;
2211                 uv_stride = stride_32bit_2;
2212                 uv_x_off = xoffset * 2;
2213                 uv_y_off = yoffset;
2214                 fix->line_length = stride << 2;
2215                 uv_y_act = win_par->area_par[0].yact;
2216                 break;
2217         default:
2218                 break;
2219         }
2220         if (is_pic_yuv == 1) {
2221                 reg_win_data->reg_area_data[0].cbr_start =
2222                     reg_win_data->reg_area_data[0].smem_start + xvir * yvir;
2223                 reg_win_data->reg_area_data[0].uv_vir_stride = uv_stride >> 2;
2224                 if (screen->y_mirror == 1) {
2225                         if (screen->interlace == 1) {
2226                                 reg_win_data->reg_area_data[0].c_offset =
2227                                     uv_y_off * uv_stride * 2 +
2228                                     ((uv_y_act - 1) * 2 + 1) * uv_stride +
2229                                     uv_x_off * pixel_width / 8;
2230                         } else {
2231                                 reg_win_data->reg_area_data[0].c_offset =
2232                                     uv_y_off * uv_stride +
2233                                     (uv_y_act - 1) * uv_stride +
2234                                     uv_x_off * pixel_width / 8;
2235                         }
2236                 } else {
2237                         if (screen->interlace == 1) {
2238                                 reg_win_data->reg_area_data[0].c_offset =
2239                                     uv_y_off * uv_stride * 2 +
2240                                     uv_x_off * pixel_width / 8;
2241                         } else {
2242                                 reg_win_data->reg_area_data[0].c_offset =
2243                                     uv_y_off * uv_stride +
2244                                     uv_x_off * pixel_width / 8;
2245                         }
2246                 }
2247         }
2248         return 0;
2249 }
2250
2251 static int rk_fb_set_win_config(struct fb_info *info,
2252                                 struct rk_fb_win_cfg_data *win_data)
2253 {
2254         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2255         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2256         struct rk_fb_reg_data *regs;
2257 #ifdef H_USE_FENCE
2258         struct sync_fence *release_fence[RK_MAX_BUF_NUM];
2259         struct sync_fence *retire_fence;
2260         struct sync_pt *release_sync_pt[RK_MAX_BUF_NUM];
2261         struct sync_pt *retire_sync_pt;
2262         char fence_name[20];
2263 #endif
2264         int ret = 0, i, j = 0;
2265         int list_is_empty = 0;
2266
2267         regs = kzalloc(sizeof(struct rk_fb_reg_data), GFP_KERNEL);
2268         if (!regs) {
2269                 printk(KERN_INFO "could not allocate rk_fb_reg_data\n");
2270                 ret = -ENOMEM;
2271                 return ret;
2272         }
2273
2274 /*
2275         regs->post_cfg.xpos = win_data->post_cfg.xpos;
2276         regs->post_cfg.ypos = win_data->post_cfg.ypos;
2277         regs->post_cfg.xsize = win_data->post_cfg.xsize;
2278         regs->post_cfg.ysize = win_data->post_cfg.xsize;
2279 */
2280
2281         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
2282                 if (win_data->win_par[i].win_id < dev_drv->lcdc_win_num) {
2283                         if (rk_fb_set_win_buffer(info, &win_data->win_par[i],
2284                                                         &regs->reg_win_data[j]))
2285                                 return -ENOMEM;
2286                         if (regs->reg_win_data[j].area_num > 0) {
2287                                 regs->win_num++;
2288                                 regs->buf_num +=
2289                                     regs->reg_win_data[j].area_buf_num;
2290                         }
2291                         j++;
2292                 } else {
2293                         printk(KERN_INFO "error:win_id bigger than lcdc_win_num\n");
2294                         printk(KERN_INFO "i=%d,win_id=%d\n", i,
2295                                win_data->win_par[i].win_id);
2296                 }
2297         }
2298
2299         mutex_lock(&dev_drv->output_lock);
2300         if (!(dev_drv->suspend_flag == 0)) {
2301                 rk_fb_update_reg(dev_drv, regs);
2302                 kfree(regs);
2303                 printk(KERN_INFO "suspend_flag = 1\n");
2304                 goto err;
2305         }
2306
2307         dev_drv->timeline_max++;
2308 #ifdef H_USE_FENCE
2309         for (i = 0; i < RK_MAX_BUF_NUM; i++) {
2310                 if (i < regs->buf_num) {
2311                         sprintf(fence_name, "fence%d", i);
2312                         win_data->rel_fence_fd[i] = get_unused_fd();
2313                         if (win_data->rel_fence_fd[i] < 0) {
2314                                 printk(KERN_INFO "rel_fence_fd=%d\n",
2315                                        win_data->rel_fence_fd[i]);
2316                                 ret = -EFAULT;
2317                                 goto err;
2318                         }
2319                         release_sync_pt[i] =
2320                             sw_sync_pt_create(dev_drv->timeline,
2321                                               dev_drv->timeline_max);
2322                         release_fence[i] =
2323                             sync_fence_create(fence_name, release_sync_pt[i]);
2324                         sync_fence_install(release_fence[i],
2325                                            win_data->rel_fence_fd[i]);
2326                 } else {
2327                         win_data->rel_fence_fd[i] = -1;
2328                 }
2329         }
2330
2331         win_data->ret_fence_fd = get_unused_fd();
2332         if (win_data->ret_fence_fd < 0) {
2333                 printk("ret_fence_fd=%d\n", win_data->ret_fence_fd);
2334                 ret = -EFAULT;
2335                 goto err;
2336         }
2337         retire_sync_pt =
2338             sw_sync_pt_create(dev_drv->timeline, dev_drv->timeline_max);
2339         retire_fence = sync_fence_create("ret_fence", retire_sync_pt);
2340         sync_fence_install(retire_fence, win_data->ret_fence_fd);
2341 #else
2342         for (i = 0; i < RK_MAX_BUF_NUM; i++)
2343                 win_data->rel_fence_fd[i] = -1;
2344
2345         win_data->ret_fence_fd = -1;
2346 #endif
2347         if (dev_drv->wait_fs == 0) {
2348                 mutex_lock(&dev_drv->update_regs_list_lock);
2349                 list_add_tail(&regs->list, &dev_drv->update_regs_list);
2350                 mutex_unlock(&dev_drv->update_regs_list_lock);
2351                 queue_kthread_work(&dev_drv->update_regs_worker,
2352                                    &dev_drv->update_regs_work);
2353         } else {
2354                 mutex_lock(&dev_drv->update_regs_list_lock);
2355                 list_is_empty = list_empty(&dev_drv->update_regs_list) &&
2356                                         list_empty(&saved_list);
2357                 mutex_unlock(&dev_drv->update_regs_list_lock);
2358                 if (!list_is_empty) {
2359                         ret = wait_event_timeout(dev_drv->update_regs_wait,
2360                                 list_empty(&dev_drv->update_regs_list) && list_empty(&saved_list),
2361                                 msecs_to_jiffies(60));
2362                         if (ret > 0)
2363                                 rk_fb_update_reg(dev_drv, regs);
2364                         else
2365                                 printk("%s: wait update_regs_wait timeout\n", __func__);
2366                 } else if (ret == 0) {
2367                         rk_fb_update_reg(dev_drv, regs);
2368                 }
2369                 kfree(regs);
2370         }
2371
2372 err:
2373         mutex_unlock(&dev_drv->output_lock);
2374         return ret;
2375 }
2376
2377 #if 1
2378 static int cfgdone_distlist[10] = { 0 };
2379
2380 static int cfgdone_index;
2381 static int cfgdone_lasttime;
2382
2383 int rk_get_real_fps(int before)
2384 {
2385         struct timespec now;
2386         int dist_curr;
2387         int dist_total = 0;
2388         int dist_count = 0;
2389         int dist_first = 0;
2390
2391         int index = cfgdone_index;
2392         int i = 0, fps = 0;
2393         int total;
2394
2395         if (before > 100)
2396                 before = 100;
2397         if (before < 0)
2398                 before = 0;
2399
2400         getnstimeofday(&now);
2401         dist_curr = (now.tv_sec * 1000000 + now.tv_nsec / 1000) -
2402                         cfgdone_lasttime;
2403         total = dist_curr;
2404         /*
2405            printk("fps: ");
2406          */
2407         for (i = 0; i < 10; i++) {
2408                 if (--index < 0)
2409                         index = 9;
2410                 total += cfgdone_distlist[index];
2411                 if (i == 0)
2412                         dist_first = cfgdone_distlist[index];
2413                 if (total < (before * 1000)) {
2414                         /*
2415                            printk("[%d:%d] ", dist_count, cfgdone_distlist[index]);
2416                          */
2417                         dist_total += cfgdone_distlist[index];
2418                         dist_count++;
2419                 } else {
2420                         break;
2421                 }
2422         }
2423
2424         /*
2425            printk("total %d, count %d, curr %d, ", dist_total, dist_count, dist_curr);
2426          */
2427         dist_curr = (dist_curr > dist_first) ? dist_curr : dist_first;
2428         dist_total += dist_curr;
2429         dist_count++;
2430
2431         if (dist_total > 0)
2432                 fps = (1000000 * dist_count) / dist_total;
2433         else
2434                 fps = 60;
2435
2436         /*
2437            printk("curr2 %d, fps=%d\n", dist_curr, fps);
2438          */
2439         return fps;
2440 }
2441 EXPORT_SYMBOL(rk_get_real_fps);
2442
2443 #endif
2444 #ifdef CONFIG_ROCKCHIP_IOMMU
2445 #define ION_MAX 10
2446 static struct ion_handle *ion_hanle[ION_MAX];
2447 static struct ion_handle *ion_hwc[1];
2448 #endif
2449 static int rk_fb_ioctl(struct fb_info *info, unsigned int cmd,
2450                        unsigned long arg)
2451 {
2452         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2453         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2454         struct rk_fb_par *extend_fb_par = NULL;
2455         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2456         struct fb_fix_screeninfo *fix = &info->fix;
2457         int fb_id = 0, extend_win_id = 0;
2458         struct fb_info *extend_info = NULL;
2459         struct rk_lcdc_driver *extend_dev_drv = NULL;
2460         struct rk_lcdc_win *extend_win = NULL;
2461         struct rk_lcdc_win *win;
2462         int enable;     /* enable fb:1 enable;0 disable */
2463         int ovl;        /* overlay:0 win1 on the top of win0;1,win0 on the top of win1 */
2464         int num_buf;    /* buffer_number */
2465         int ret;
2466         struct rk_fb_win_cfg_data win_data;
2467         unsigned int dsp_addr[4];
2468         int list_stat;
2469
2470         int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2471
2472         void __user *argp = (void __user *)arg;
2473         win = dev_drv->win[win_id];
2474         if (rk_fb->disp_mode == DUAL) {
2475                 fb_id = get_extend_fb_id(info);
2476                 extend_info = rk_fb->fb[(rk_fb->num_fb >> 1) + fb_id];
2477                 extend_fb_par = (struct rk_fb_par *)extend_info->par;
2478                 extend_dev_drv = extend_fb_par->lcdc_drv;
2479                 extend_win_id = dev_drv->ops->fb_get_win_id(extend_dev_drv,
2480                                                             extend_info->fix.id);
2481                 extend_win = extend_dev_drv->win[extend_win_id];
2482         }
2483
2484         switch (cmd) {
2485         case RK_FBIOSET_HWC_ADDR:
2486         {
2487                 u32 hwc_phy[1];
2488                 if (copy_from_user(hwc_phy, argp, 4))
2489                         return -EFAULT;
2490 #ifdef CONFIG_ROCKCHIP_IOMMU
2491                 if (!dev_drv->iommu_enabled) {
2492 #endif
2493                         fix->smem_start = hwc_phy[0];
2494 #ifdef CONFIG_ROCKCHIP_IOMMU
2495                 } else {
2496                         int usr_fd;
2497                         struct ion_handle *hdl;
2498                         ion_phys_addr_t phy_addr;
2499                         size_t len;
2500
2501                         usr_fd = hwc_phy[0];
2502                         if (!usr_fd) {
2503                                 fix->smem_start = 0;
2504                                 fix->mmio_start = 0;
2505                                 break;
2506                         }
2507
2508                         if (ion_hwc[0] != 0) {
2509                                 ion_free(rk_fb->ion_client, ion_hwc[0]);
2510                                 ion_hwc[0] = 0;
2511                         }
2512
2513                         hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2514                         if (IS_ERR(hdl)) {
2515                                 dev_err(info->dev, "failed to get hwc ion handle:%ld\n",
2516                                         PTR_ERR(hdl));
2517                                 return -EFAULT;
2518                         }
2519
2520                         ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2521                                                 (unsigned long *)&phy_addr,
2522                                                 (unsigned long *)&len);
2523                         if (ret < 0) {
2524                                 dev_err(info->dev, "ion map to get hwc phy addr failed");
2525                                 ion_free(rk_fb->ion_client, hdl);
2526                                 return -ENOMEM;
2527                         }
2528                         fix->smem_start = phy_addr;
2529                         ion_hwc[0] = hdl;
2530                 }
2531 #endif
2532                 break;
2533         }
2534         case RK_FBIOSET_YUV_ADDR:
2535                 {
2536                         u32 yuv_phy[2];
2537
2538                         if (copy_from_user(yuv_phy, argp, 8))
2539                                 return -EFAULT;
2540                         #ifdef CONFIG_ROCKCHIP_IOMMU
2541                         if (!dev_drv->iommu_enabled || !strcmp(info->fix.id, "fb0")) {
2542                         #endif
2543                                 fix->smem_start = yuv_phy[0];
2544                                 fix->mmio_start = yuv_phy[1];
2545                         #ifdef CONFIG_ROCKCHIP_IOMMU
2546                         } else {
2547                                 int usr_fd, offset, tmp;
2548                                 struct ion_handle *hdl;
2549                                 ion_phys_addr_t phy_addr;
2550                                 size_t len;
2551
2552                                 usr_fd = yuv_phy[0];
2553                                 offset = yuv_phy[1] - yuv_phy[0];
2554
2555                                 if (!usr_fd) {
2556                                         fix->smem_start = 0;
2557                                         fix->mmio_start = 0;
2558                                         break;
2559                                 }
2560
2561                                 if (ion_hanle[ION_MAX - 1] != 0) {
2562                                         /*ion_unmap_kernel(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);*/
2563                                         /*ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client, ion_hanle[ION_MAX - 1]);*/
2564                                         ion_free(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);
2565                                         ion_hanle[ION_MAX - 1] = 0;
2566                                 }
2567
2568                                 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2569                                 if (IS_ERR(hdl)) {
2570                                         dev_err(info->dev, "failed to get ion handle:%ld\n",
2571                                                 PTR_ERR(hdl));
2572                                         return -EFAULT;
2573                                 }
2574
2575                                 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2576                                                         (unsigned long *)&phy_addr,
2577                                                         (unsigned long *)&len);
2578                                 if (ret < 0) {
2579                                         dev_err(info->dev, "ion map to get phy addr failed");
2580                                         ion_free(rk_fb->ion_client, hdl);
2581                                         return -ENOMEM;
2582                                 }
2583                                 fix->smem_start = phy_addr;
2584                                 fix->mmio_start = phy_addr + offset;
2585                                 fix->smem_len = len;
2586                                 /*info->screen_base = ion_map_kernel(rk_fb->ion_client, hdl);*/
2587
2588                                 ion_hanle[0] = hdl;
2589                                 for (tmp = ION_MAX - 1; tmp > 0; tmp--)
2590                                         ion_hanle[tmp] = ion_hanle[tmp - 1];
2591                                 ion_hanle[0] = 0;
2592                         }
2593                         #endif
2594                         break;
2595                 }
2596         case RK_FBIOSET_ENABLE:
2597                 if (copy_from_user(&enable, argp, sizeof(enable)))
2598                         return -EFAULT;
2599                 dev_drv->ops->open(dev_drv, win_id, enable);
2600                 break;
2601         case RK_FBIOGET_ENABLE:
2602                 enable = dev_drv->ops->get_win_state(dev_drv, win_id);
2603                 if (copy_to_user(argp, &enable, sizeof(enable)))
2604                         return -EFAULT;
2605                 break;
2606         case RK_FBIOSET_OVERLAY_STA:
2607                 if (copy_from_user(&ovl, argp, sizeof(ovl)))
2608                         return -EFAULT;
2609                 dev_drv->ops->ovl_mgr(dev_drv, ovl, 1);
2610                 break;
2611         case RK_FBIOGET_OVERLAY_STA:
2612                 ovl = dev_drv->ops->ovl_mgr(dev_drv, 0, 0);
2613                 if (copy_to_user(argp, &ovl, sizeof(ovl)))
2614                         return -EFAULT;
2615                 break;
2616         case RK_FBIOPUT_NUM_BUFFERS:
2617                 if (copy_from_user(&num_buf, argp, sizeof(num_buf)))
2618                         return -EFAULT;
2619                 dev_drv->num_buf = num_buf;
2620                 break;
2621         case RK_FBIOSET_VSYNC_ENABLE:
2622                 if (copy_from_user(&enable, argp, sizeof(enable)))
2623                         return -EFAULT;
2624                 dev_drv->vsync_info.active = enable;
2625                 break;
2626
2627         case RK_FBIOGET_DSP_ADDR:
2628                 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
2629                 if (copy_to_user(argp, &dsp_addr, sizeof(dsp_addr)))
2630                         return -EFAULT;
2631                 break;
2632         case RK_FBIOGET_LIST_STA:
2633                 list_stat = rk_fb_get_list_stat(dev_drv);
2634                 if (copy_to_user(argp, &list_stat, sizeof(list_stat)))
2635                         return -EFAULT;
2636
2637                 break;
2638         case RK_FBIOGET_IOMMU_STA:
2639                 if (copy_to_user(argp, &dev_drv->iommu_enabled,
2640                                  sizeof(dev_drv->iommu_enabled)))
2641                         return -EFAULT;
2642                 break;
2643 #if defined(CONFIG_ION_ROCKCHIP)
2644         case RK_FBIOSET_DMABUF_FD:
2645                 {
2646                         int usr_fd;
2647                         struct ion_handle *hdl;
2648                         ion_phys_addr_t phy_addr;
2649                         size_t len;
2650                         if (copy_from_user(&usr_fd, argp, sizeof(usr_fd)))
2651                                 return -EFAULT;
2652                         hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2653                         ion_phys(rk_fb->ion_client, hdl, &phy_addr, &len);
2654                         fix->smem_start = phy_addr;
2655                         break;
2656                 }
2657         case RK_FBIOGET_DMABUF_FD:
2658                 {
2659                         int fd = -1;
2660
2661                         if (IS_ERR_OR_NULL(fb_par->ion_hdl)) {
2662                                 dev_err(info->dev,
2663                                         "get dma_buf fd failed,ion handle is err\n");
2664                                 return PTR_ERR(fb_par->ion_hdl);
2665                         }
2666                         fd = ion_share_dma_buf_fd(rk_fb->ion_client,
2667                                                   fb_par->ion_hdl);
2668                         if (fd < 0) {
2669                                 dev_err(info->dev,
2670                                         "ion_share_dma_buf_fd failed\n");
2671                                 return fd;
2672                         }
2673                         if (copy_to_user(argp, &fd, sizeof(fd)))
2674                                 return -EFAULT;
2675                         break;
2676                 }
2677 #endif
2678         case RK_FBIOSET_CLEAR_FB:
2679                 memset(fb_par->fb_virt_base, 0, fb_par->fb_size);
2680                 break;
2681         case RK_FBIOSET_CONFIG_DONE:
2682                 {
2683                         int curr = 0;
2684                         struct timespec now;
2685
2686                         getnstimeofday(&now);
2687                         curr = now.tv_sec * 1000000 + now.tv_nsec / 1000;
2688                         cfgdone_distlist[cfgdone_index++] =
2689                             curr - cfgdone_lasttime;
2690                         /*
2691                            printk("%d ", curr - cfgdone_lasttime);
2692                          */
2693                         cfgdone_lasttime = curr;
2694                         if (cfgdone_index >= 10)
2695                                 cfgdone_index = 0;
2696                 }
2697                 if (copy_from_user(&win_data,
2698                                    (struct rk_fb_win_cfg_data __user *)argp,
2699                                    sizeof(win_data))) {
2700                         ret = -EFAULT;
2701                         break;
2702                 };
2703
2704                 dev_drv->wait_fs = win_data.wait_fs;
2705                 rk_fb_set_win_config(info, &win_data);
2706
2707                 if (copy_to_user((struct rk_fb_win_cfg_data __user *)arg,
2708                                  &win_data, sizeof(win_data))) {
2709                         ret = -EFAULT;
2710                         break;
2711                 }
2712                 memset(&win_data, 0, sizeof(struct rk_fb_win_cfg_data));
2713                 break;
2714         default:
2715                 dev_drv->ops->ioctl(dev_drv, cmd, arg, win_id);
2716                 break;
2717         }
2718
2719         return 0;
2720 }
2721
2722 static int rk_fb_blank(int blank_mode, struct fb_info *info)
2723 {
2724         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2725         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2726         struct fb_fix_screeninfo *fix = &info->fix;
2727         int win_id;
2728 #if defined(CONFIG_RK_HDMI)
2729         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2730 #endif
2731
2732         win_id = dev_drv->ops->fb_get_win_id(dev_drv, fix->id);
2733         if (win_id < 0)
2734                 return -ENODEV;
2735 #if defined(CONFIG_RK_HDMI)
2736         if ((rk_fb->disp_mode == ONE_DUAL) &&
2737             (hdmi_get_hotplug() == HDMI_HPD_ACTIVED)) {
2738                 printk(KERN_INFO "hdmi is connect , not blank lcdc\n");
2739         } else
2740 #endif
2741         {
2742                 dev_drv->ops->blank(dev_drv, win_id, blank_mode);
2743         }
2744         return 0;
2745 }
2746
2747 static int rk_fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
2748 {
2749         if ((0 == var->xres_virtual) || (0 == var->yres_virtual) ||
2750             (0 == var->xres) || (0 == var->yres) || (var->xres < 16) ||
2751             ((16 != var->bits_per_pixel) &&
2752             (32 != var->bits_per_pixel) &&
2753             (24 != var->bits_per_pixel))) {
2754                 dev_err(info->dev, "%s check var fail 1:\n"
2755                         "xres_vir:%d>>yres_vir:%d\n"
2756                         "xres:%d>>yres:%d\n"
2757                         "bits_per_pixel:%d\n",
2758                         info->fix.id,
2759                         var->xres_virtual,
2760                         var->yres_virtual,
2761                         var->xres, var->yres, var->bits_per_pixel);
2762                 return -EINVAL;
2763         }
2764
2765         if (((var->xoffset + var->xres) > var->xres_virtual) ||
2766             ((var->yoffset + var->yres) > (var->yres_virtual))) {
2767                 dev_err(info->dev, "%s check_var fail 2:\n"
2768                         "xoffset:%d>>xres:%d>>xres_vir:%d\n"
2769                         "yoffset:%d>>yres:%d>>yres_vir:%d\n",
2770                         info->fix.id,
2771                         var->xoffset,
2772                         var->xres,
2773                         var->xres_virtual,
2774                         var->yoffset, var->yres, var->yres_virtual);
2775                 return -EINVAL;
2776         }
2777
2778         return 0;
2779 }
2780
2781 static ssize_t rk_fb_read(struct fb_info *info, char __user *buf,
2782                           size_t count, loff_t *ppos)
2783 {
2784         unsigned long p = *ppos;
2785         u8 *buffer, *dst;
2786         u8 __iomem *src;
2787         int c, cnt = 0, err = 0;
2788         unsigned long total_size;
2789         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2790         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2791         struct rk_lcdc_win *win = NULL;
2792         int win_id = 0;
2793
2794         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2795         if (win_id < 0)
2796                 return -ENODEV;
2797         else
2798                 win = dev_drv->win[win_id];
2799
2800         /* only read the current frame buffer */
2801         if (win->format == RGB565) {
2802                 total_size = win->area[0].y_vir_stride * win->area[0].yact << 1;
2803         } else if (win->format == YUV420) {
2804                 total_size =
2805                     (win->area[0].y_vir_stride * win->area[0].yact * 6);
2806         } else {
2807                 total_size = win->area[0].y_vir_stride * win->area[0].yact << 2;
2808         }
2809         if (p >= total_size)
2810                 return 0;
2811
2812         if (count >= total_size)
2813                 count = total_size;
2814
2815         if (count + p > total_size)
2816                 count = total_size - p;
2817
2818         buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
2819         if (!buffer)
2820                 return -ENOMEM;
2821
2822         src = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
2823
2824         while (count) {
2825                 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
2826                 dst = buffer;
2827                 fb_memcpy_fromfb(dst, src, c);
2828                 dst += c;
2829                 src += c;
2830
2831                 if (copy_to_user(buf, buffer, c)) {
2832                         err = -EFAULT;
2833                         break;
2834                 }
2835                 *ppos += c;
2836                 buf += c;
2837                 cnt += c;
2838                 count -= c;
2839         }
2840
2841         kfree(buffer);
2842
2843         return (err) ? err : cnt;
2844 }
2845
2846 static ssize_t rk_fb_write(struct fb_info *info, const char __user *buf,
2847                            size_t count, loff_t *ppos)
2848 {
2849         unsigned long p = *ppos;
2850         u8 *buffer, *src;
2851         u8 __iomem *dst;
2852         int c, cnt = 0, err = 0;
2853         unsigned long total_size;
2854         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2855         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2856         struct rk_lcdc_win *win = NULL;
2857         int win_id = 0;
2858
2859         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2860         if (win_id < 0)
2861                 return -ENODEV;
2862         else
2863                 win = dev_drv->win[win_id];
2864
2865         /* write the current frame buffer */
2866         if (win->format == RGB565)
2867                 total_size = win->area[0].xact * win->area[0].yact << 1;
2868         else
2869                 total_size = win->area[0].xact * win->area[0].yact << 2;
2870
2871         if (p > total_size)
2872                 return -EFBIG;
2873
2874         if (count > total_size) {
2875                 err = -EFBIG;
2876                 count = total_size;
2877         }
2878
2879         if (count + p > total_size) {
2880                 if (!err)
2881                         err = -ENOSPC;
2882
2883                 count = total_size - p;
2884         }
2885
2886         buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
2887         if (!buffer)
2888                 return -ENOMEM;
2889
2890         dst = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
2891
2892         while (count) {
2893                 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
2894                 src = buffer;
2895
2896                 if (copy_from_user(src, buf, c)) {
2897                         err = -EFAULT;
2898                         break;
2899                 }
2900
2901                 fb_memcpy_tofb(dst, src, c);
2902                 dst += c;
2903                 src += c;
2904                 *ppos += c;
2905                 buf += c;
2906                 cnt += c;
2907                 count -= c;
2908         }
2909
2910         kfree(buffer);
2911
2912         return (cnt) ? cnt : err;
2913 }
2914
2915 /*
2916  * function: update extend info acorrding to primary info that only used for dual display mode
2917  * @ext_info: the fb_info of extend screen
2918  * @info: the fb_info of primary screen
2919  * @update_buffer: whether to update extend info buffer, 0: no;1: yes
2920  */
2921 static int rk_fb_update_ext_info(struct fb_info *ext_info,
2922                                         struct fb_info *info, int update_buffer)
2923 {
2924         struct rk_fb *rk_fb =  platform_get_drvdata(fb_pdev);
2925         struct rk_fb_par *fb_par = NULL;
2926         struct rk_fb_par *ext_fb_par = NULL;
2927         struct rk_lcdc_driver *dev_drv = NULL;
2928         struct rk_lcdc_driver *ext_dev_drv = NULL;
2929         struct rk_lcdc_win *win = NULL;
2930         struct rk_lcdc_win *ext_win = NULL;
2931         int win_id = 0, ext_win_id = 0;
2932
2933         if (rk_fb->disp_mode != DUAL || info == ext_info)
2934                 return 0;
2935         if (unlikely(!info) || unlikely(!ext_info))
2936                 return -1;
2937
2938         fb_par = (struct rk_fb_par *)info->par;
2939         ext_fb_par = (struct rk_fb_par *)ext_info->par;
2940         dev_drv = fb_par->lcdc_drv;
2941         ext_dev_drv = ext_fb_par->lcdc_drv;
2942         if (unlikely(!dev_drv) || unlikely(!ext_dev_drv))
2943                 return -1;
2944
2945         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2946         win = dev_drv->win[win_id];
2947         ext_win_id = ext_dev_drv->ops->fb_get_win_id(ext_dev_drv,
2948                                                      ext_info->fix.id);
2949         ext_win = ext_dev_drv->win[ext_win_id];
2950
2951         rk_fb_update_ext_win(ext_dev_drv, dev_drv, ext_win, win);
2952         if (update_buffer) {
2953                 rk_fb_set_ext_win_buffer(ext_win, win, ext_dev_drv->rotate_mode,
2954                                          ext_dev_drv->iommu_enabled);
2955
2956                 /* update extend info display address */
2957                 ext_info->fix.smem_start = ext_win->area[0].smem_start;
2958                 ext_info->fix.mmio_start = ext_win->area[0].cbr_start;
2959
2960                 if (ext_dev_drv->rotate_mode > X_Y_MIRROR)
2961                         rk_fb_rotate(ext_info, info);
2962         }
2963
2964         /* update extend info */
2965         ext_info->var.xres = ext_win->area[0].xact;
2966         ext_info->var.yres = ext_win->area[0].yact;
2967         ext_info->var.xres_virtual = ext_win->area[0].xvir;
2968         ext_info->var.yres_virtual = ext_win->area[0].yvir;
2969
2970         /* config same data format */
2971         ext_info->var.nonstd &= 0xffffff00;
2972         ext_info->var.nonstd |= (info->var.nonstd & 0xff);
2973
2974         ext_info->var.nonstd &= 0xff;
2975         ext_info->var.nonstd |=
2976                 (ext_win->area[0].xpos << 8) + (ext_win->area[0].ypos << 20);
2977
2978         ext_info->var.grayscale &= 0xff;
2979         ext_info->var.grayscale |=
2980                 (ext_win->area[0].xsize << 8) + (ext_win->area[0].ysize << 20);
2981
2982         return 0;
2983 }
2984
2985 static int rk_fb_set_par(struct fb_info *info)
2986 {
2987         struct fb_var_screeninfo *var = &info->var;
2988         struct fb_fix_screeninfo *fix = &info->fix;
2989         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2990         struct rk_fb_par *extend_fb_par = NULL;
2991         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2992         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2993         int fb_id, extend_win_id = 0;
2994         struct fb_info *extend_info = NULL;
2995         struct rk_lcdc_driver *extend_dev_drv = NULL;
2996         struct rk_lcdc_win *extend_win = NULL;
2997         struct rk_lcdc_win *win = NULL;
2998         struct rk_screen *screen = dev_drv->cur_screen;
2999         int win_id = 0;
3000         u32 cblen = 0, crlen = 0;
3001         u16 xsize = 0, ysize = 0;       /* winx display window height/width --->LCDC_WINx_DSP_INFO */
3002         u32 xoffset = var->xoffset;     /* offset from virtual to visible */
3003         u32 yoffset = var->yoffset;
3004         u16 xpos = (var->nonstd >> 8) & 0xfff;  /*visiable pos in panel */
3005         u16 ypos = (var->nonstd >> 20) & 0xfff;
3006         u32 xvir = var->xres_virtual;
3007         u32 yvir = var->yres_virtual;
3008         u8 data_format = var->nonstd & 0xff;
3009         u8 fb_data_fmt;
3010         u8 pixel_width;
3011         u32 vir_width_bit;
3012         u32 stride, uv_stride;
3013         u32 stride_32bit_1;
3014         u32 stride_32bit_2;
3015         u16 uv_x_off, uv_y_off, uv_y_act;
3016         u8 is_pic_yuv = 0;
3017
3018         var->pixclock = dev_drv->pixclock;
3019         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3020         if (win_id < 0)
3021                 return -ENODEV;
3022         else
3023                 win = dev_drv->win[win_id];
3024
3025         if (rk_fb->disp_mode == DUAL) {
3026                 fb_id = get_extend_fb_id(info);
3027                 extend_info = rk_fb->fb[(rk_fb->num_fb >> 1) + fb_id];
3028                 extend_fb_par = (struct rk_fb_par *)extend_info->par;
3029                 extend_dev_drv = extend_fb_par->lcdc_drv;
3030                 extend_win_id = dev_drv->ops->fb_get_win_id(extend_dev_drv,
3031                                                             extend_info->fix.id);
3032                 extend_win = extend_dev_drv->win[extend_win_id];
3033         }
3034
3035         /* if the application has specific the horizontal and vertical display size */
3036         if (var->grayscale >> 8) {
3037                 xsize = (var->grayscale >> 8) & 0xfff;
3038                 ysize = (var->grayscale >> 20) & 0xfff;
3039                 if (xsize > screen->mode.xres)
3040                         xsize = screen->mode.xres;
3041                 if (ysize > screen->mode.yres)
3042                         ysize = screen->mode.yres;
3043         } else {                /*ohterwise  full  screen display */
3044                 xsize = screen->mode.xres;
3045                 ysize = screen->mode.yres;
3046         }
3047
3048         fb_data_fmt = rk_fb_data_fmt(data_format, var->bits_per_pixel);
3049         pixel_width = rk_fb_pixel_width(fb_data_fmt);
3050         vir_width_bit = pixel_width * xvir;
3051         /* pixel_width = byte_num * 8 */
3052         stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
3053         stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
3054
3055         switch (fb_data_fmt) {
3056         case YUV422:
3057         case YUV422_A:
3058                 is_pic_yuv = 1;
3059                 stride = stride_32bit_1;
3060                 uv_stride = stride_32bit_1 >> 1;
3061                 uv_x_off = xoffset >> 1;
3062                 uv_y_off = yoffset;
3063                 fix->line_length = stride;
3064                 cblen = crlen = (xvir * yvir) >> 1;
3065                 uv_y_act = win->area[0].yact >> 1;
3066                 break;
3067         case YUV420:            /* 420sp */
3068         case YUV420_A:
3069                 is_pic_yuv = 1;
3070                 stride = stride_32bit_1;
3071                 uv_stride = stride_32bit_1;
3072                 uv_x_off = xoffset;
3073                 uv_y_off = yoffset >> 1;
3074                 fix->line_length = stride;
3075                 cblen = crlen = (xvir * yvir) >> 2;
3076                 uv_y_act = win->area[0].yact >> 1;
3077                 break;
3078         case YUV444:
3079         case YUV444_A:
3080                 is_pic_yuv = 1;
3081                 stride = stride_32bit_1;
3082                 uv_stride = stride_32bit_2;
3083                 uv_x_off = xoffset * 2;
3084                 uv_y_off = yoffset;
3085                 fix->line_length = stride << 2;
3086                 cblen = crlen = (xvir * yvir);
3087                 uv_y_act = win->area[0].yact;
3088                 break;
3089         default:
3090                 stride = stride_32bit_1;        /* default rgb */
3091                 fix->line_length = stride;
3092                 break;
3093         }
3094
3095         /* x y mirror ,jump line */
3096         if (screen->y_mirror == 1) {
3097                 if (screen->interlace == 1) {
3098                         win->area[0].y_offset = yoffset * stride * 2 +
3099                             ((win->area[0].yact - 1) * 2 + 1) * stride +
3100                             xoffset * pixel_width / 8;
3101                 } else {
3102                         win->area[0].y_offset = yoffset * stride +
3103                             (win->area[0].yact - 1) * stride +
3104                             xoffset * pixel_width / 8;
3105                 }
3106         } else {
3107                 if (screen->interlace == 1) {
3108                         win->area[0].y_offset =
3109                             yoffset * stride * 2 + xoffset * pixel_width / 8;
3110                 } else {
3111                         win->area[0].y_offset =
3112                             yoffset * stride + xoffset * pixel_width / 8;
3113                 }
3114         }
3115         if (is_pic_yuv == 1) {
3116                 if (screen->y_mirror == 1) {
3117                         if (screen->interlace == 1) {
3118                                 win->area[0].c_offset =
3119                                     uv_y_off * uv_stride * 2 +
3120                                     ((uv_y_act - 1) * 2 + 1) * uv_stride +
3121                                     uv_x_off * pixel_width / 8;
3122                         } else {
3123                                 win->area[0].c_offset = uv_y_off * uv_stride +
3124                                     (uv_y_act - 1) * uv_stride +
3125                                     uv_x_off * pixel_width / 8;
3126                         }
3127                 } else {
3128                         if (screen->interlace == 1) {
3129                                 win->area[0].c_offset =
3130                                     uv_y_off * uv_stride * 2 +
3131                                     uv_x_off * pixel_width / 8;
3132                         } else {
3133                                 win->area[0].c_offset =
3134                                     uv_y_off * uv_stride +
3135                                     uv_x_off * pixel_width / 8;
3136                         }
3137                 }
3138         }
3139
3140         win->format = fb_data_fmt;
3141         win->area[0].y_vir_stride = stride >> 2;
3142         win->area[0].uv_vir_stride = uv_stride >> 2;
3143         win->area[0].xpos = xpos;
3144         win->area[0].ypos = ypos;
3145         win->area[0].xsize = xsize;
3146         win->area[0].ysize = ysize;
3147         win->area[0].xact = var->xres;  /* winx active window height,is a wint of vir */
3148         win->area[0].yact = var->yres;
3149         win->area[0].xvir = var->xres_virtual;  /* virtual resolution  stride --->LCDC_WINx_VIR */
3150         win->area[0].yvir = var->yres_virtual;
3151
3152         win->area_num = 1;
3153         win->alpha_mode = 4;    /* AB_SRC_OVER; */
3154         win->alpha_en = ((win->format == ARGB888) ||
3155                          (win->format == ABGR888)) ? 1 : 0;
3156         win->g_alpha_val = 0;
3157
3158         if (rk_fb->disp_mode == DUAL) {
3159                 if (extend_win->state && hdmi_switch_complete) {
3160                         if (info != extend_info) {
3161                                 rk_fb_update_ext_win(extend_dev_drv, dev_drv,
3162                                                      extend_win, win);
3163                                 extend_dev_drv->ops->set_par(extend_dev_drv,
3164                                                              extend_win_id);
3165                         }
3166                 }
3167         }
3168         dev_drv->ops->set_par(dev_drv, win_id);
3169
3170         return 0;
3171 }
3172
3173 static inline unsigned int chan_to_field(unsigned int chan,
3174                                          struct fb_bitfield *bf)
3175 {
3176         chan &= 0xffff;
3177         chan >>= 16 - bf->length;
3178         return chan << bf->offset;
3179 }
3180
3181 static int fb_setcolreg(unsigned regno,
3182                         unsigned red, unsigned green, unsigned blue,
3183                         unsigned transp, struct fb_info *info)
3184 {
3185         unsigned int val;
3186
3187         switch (info->fix.visual) {
3188         case FB_VISUAL_TRUECOLOR:
3189                 /* true-colour, use pseudo-palette */
3190                 if (regno < 16) {
3191                         u32 *pal = info->pseudo_palette;
3192                         val = chan_to_field(red, &info->var.red);
3193                         val |= chan_to_field(green, &info->var.green);
3194                         val |= chan_to_field(blue, &info->var.blue);
3195                         pal[regno] = val;
3196                 }
3197                 break;
3198         default:
3199                 return -1;      /* unknown type */
3200         }
3201
3202         return 0;
3203 }
3204
3205 static int rk_fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
3206 {
3207         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3208         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
3209         struct ion_handle *handle = fb_par->ion_hdl;
3210         struct dma_buf *dma_buf = NULL;
3211
3212         if (IS_ERR_OR_NULL(handle)) {
3213                 dev_err(info->dev, "failed to get ion handle:%ld\n",
3214                         PTR_ERR(handle));
3215                 return -ENOMEM;
3216         }
3217         dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3218         if (IS_ERR_OR_NULL(dma_buf)) {
3219                 printk("get ion share dma buf failed\n");
3220                 return -ENOMEM;
3221         }
3222
3223         vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
3224
3225         return dma_buf_mmap(dma_buf, vma, 0);
3226 }
3227
3228 static struct fb_ops fb_ops = {
3229         .owner = THIS_MODULE,
3230         .fb_open = rk_fb_open,
3231         .fb_release = rk_fb_close,
3232         .fb_check_var = rk_fb_check_var,
3233         .fb_set_par = rk_fb_set_par,
3234         .fb_blank = rk_fb_blank,
3235         .fb_ioctl = rk_fb_ioctl,
3236         .fb_pan_display = rk_fb_pan_display,
3237         .fb_read = rk_fb_read,
3238         .fb_write = rk_fb_write,
3239         .fb_setcolreg = fb_setcolreg,
3240         .fb_fillrect = cfb_fillrect,
3241         .fb_copyarea = cfb_copyarea,
3242         .fb_imageblit = cfb_imageblit,
3243 };
3244
3245 static struct fb_var_screeninfo def_var = {
3246 #if defined(CONFIG_LOGO_LINUX_BMP)
3247         .red = {16, 8, 0},
3248         .green = {8, 8, 0},
3249         .blue = {0, 8, 0},
3250         .transp = {0, 0, 0},
3251         .nonstd = HAL_PIXEL_FORMAT_BGRA_8888,
3252 #else
3253         .red = {11, 5, 0},
3254         .green = {5, 6, 0},
3255         .blue = {0, 5, 0},
3256         .transp = {0, 0, 0},
3257         .nonstd = HAL_PIXEL_FORMAT_RGB_565,     /* (ypos<<20+xpos<<8+format) format */
3258 #endif
3259         .grayscale = 0,         /* (ysize<<20+xsize<<8) */
3260         .activate = FB_ACTIVATE_NOW,
3261         .accel_flags = 0,
3262         .vmode = FB_VMODE_NONINTERLACED,
3263 };
3264
3265 static struct fb_fix_screeninfo def_fix = {
3266         .type = FB_TYPE_PACKED_PIXELS,
3267         .type_aux = 0,
3268         .xpanstep = 1,
3269         .ypanstep = 1,
3270         .ywrapstep = 0,
3271         .accel = FB_ACCEL_NONE,
3272         .visual = FB_VISUAL_TRUECOLOR,
3273
3274 };
3275
3276 static int rk_fb_wait_for_vsync_thread(void *data)
3277 {
3278         struct rk_lcdc_driver *dev_drv = data;
3279         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3280         struct fb_info *fbi = rk_fb->fb[0];
3281
3282         while (!kthread_should_stop()) {
3283                 ktime_t timestamp = dev_drv->vsync_info.timestamp;
3284                 int ret = wait_event_interruptible(dev_drv->vsync_info.wait,
3285                                 !ktime_equal(timestamp, dev_drv->vsync_info.timestamp) &&
3286                                 (dev_drv->vsync_info.active || dev_drv->vsync_info.irq_stop));
3287
3288                 if (!ret)
3289                         sysfs_notify(&fbi->dev->kobj, NULL, "vsync");
3290         }
3291
3292         return 0;
3293 }
3294
3295 static ssize_t rk_fb_vsync_show(struct device *dev,
3296                                 struct device_attribute *attr, char *buf)
3297 {
3298         struct fb_info *fbi = dev_get_drvdata(dev);
3299         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3300         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3301         return scnprintf(buf, PAGE_SIZE, "%llu\n",
3302                          ktime_to_ns(dev_drv->vsync_info.timestamp));
3303 }
3304
3305 static DEVICE_ATTR(vsync, S_IRUGO, rk_fb_vsync_show, NULL);
3306
3307 /*
3308  * this two function is for other module that in the kernel which
3309  * need show image directly through fb
3310  * fb_id:we have 4 fb here,default we use fb0 for ui display
3311  */
3312 struct fb_info *rk_get_fb(int fb_id)
3313 {
3314         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3315         struct fb_info *fb = inf->fb[fb_id];
3316         return fb;
3317 }
3318 EXPORT_SYMBOL(rk_get_fb);
3319
3320 void rk_direct_fb_show(struct fb_info *fbi)
3321 {
3322         rk_fb_set_par(fbi);
3323         rk_fb_pan_display(&fbi->var, fbi);
3324 }
3325 EXPORT_SYMBOL(rk_direct_fb_show);
3326
3327 int rk_fb_dpi_open(bool open)
3328 {
3329         struct rk_lcdc_driver *dev_drv = NULL;
3330         dev_drv = rk_get_prmry_lcdc_drv();
3331
3332         if (dev_drv->ops->dpi_open)
3333                 dev_drv->ops->dpi_open(dev_drv, open);
3334         return 0;
3335 }
3336
3337 int rk_fb_dpi_win_sel(int win_id)
3338 {
3339         struct rk_lcdc_driver *dev_drv = NULL;
3340         dev_drv = rk_get_prmry_lcdc_drv();
3341
3342         if (dev_drv->ops->dpi_win_sel)
3343                 dev_drv->ops->dpi_win_sel(dev_drv, win_id);
3344         return 0;
3345 }
3346
3347 int rk_fb_dpi_status(void)
3348 {
3349         int ret = 0;
3350         struct rk_lcdc_driver *dev_drv = NULL;
3351
3352         dev_drv = rk_get_prmry_lcdc_drv();
3353         if (dev_drv->ops->dpi_status)
3354                 ret = dev_drv->ops->dpi_status(dev_drv);
3355
3356         return ret;
3357 }
3358
3359 /*
3360  * function: this function will be called by display device, enable/disable lcdc
3361  * @screen: screen timing to be set to lcdc
3362  * @enable: 0 disable lcdc; 1 enable change lcdc timing; 2 just enable dclk
3363  * @lcdc_id: the lcdc id the display device attached ,0 or 1
3364  */
3365 int rk_fb_switch_screen(struct rk_screen *screen, int enable, int lcdc_id)
3366 {
3367         struct rk_fb *rk_fb =  platform_get_drvdata(fb_pdev);
3368         struct fb_info *info = NULL;
3369         struct fb_info *pmy_info = NULL;
3370         struct rk_fb_par *fb_par = NULL;
3371         struct rk_fb_par *pmy_fb_par = NULL;
3372         struct rk_lcdc_driver *dev_drv = NULL;
3373         char name[6] = {0};
3374         int i, win_id, load_screen = 0;
3375
3376         if (unlikely(!rk_fb) || unlikely(!screen))
3377                 return -ENODEV;
3378
3379         hdmi_switch_complete = 0;
3380         /* get lcdc driver */
3381         sprintf(name, "lcdc%d", lcdc_id);
3382         if (rk_fb->disp_mode != DUAL)
3383                 dev_drv = rk_fb->lcdc_dev_drv[0];
3384         else
3385                 dev_drv = rk_get_lcdc_drv(name);
3386
3387         if (dev_drv == NULL) {
3388                 printk(KERN_ERR "%s driver not found!", name);
3389                 return -ENODEV;
3390         }
3391         if (screen->type == SCREEN_HDMI)
3392                 printk("hdmi %s lcdc%d\n", enable ? "connect to" : "remove from",
3393                         dev_drv->id);
3394         else if (screen->type == SCREEN_TVOUT ||
3395                      screen->type == SCREEN_TVOUT_TEST )
3396                 printk("cvbs %s lcdc%d\n", enable ? "connect to" : "remove from",
3397                         dev_drv->id);
3398         if (enable == 2 /*&& dev_drv->enable*/)
3399                 return 0;
3400
3401         if (rk_fb->disp_mode == ONE_DUAL) {
3402                 if (dev_drv->ops->dsp_black)
3403                         dev_drv->ops->dsp_black(dev_drv, 1);
3404                 if (dev_drv->ops->set_screen_scaler)
3405                         dev_drv->ops->set_screen_scaler(dev_drv, dev_drv->screen0, 0);
3406         }
3407
3408         if (!enable) {
3409                 /* if screen type is different, we do not disable lcdc. */
3410                 if (dev_drv->cur_screen->type != screen->type)
3411                         return 0;
3412
3413                 /* if used one lcdc to dual disp, no need to close win */
3414                 if (rk_fb->disp_mode == ONE_DUAL) {
3415                         dev_drv->cur_screen = dev_drv->screen0;
3416                         dev_drv->ops->load_screen(dev_drv, 1);
3417
3418                         /* force modify dsp size */
3419                         info = rk_fb->fb[dev_drv->fb_index_base];
3420                         info->var.grayscale &= 0xff;
3421                         info->var.grayscale |=
3422                                 (dev_drv->cur_screen->mode.xres << 8) +
3423                                 (dev_drv->cur_screen->mode.yres << 20);
3424                         info->fbops->fb_set_par(info);
3425                         info->fbops->fb_pan_display(&info->var, info);
3426
3427                         if (dev_drv->ops->dsp_black)
3428                                 dev_drv->ops->dsp_black(dev_drv, 0);
3429                 } else if (rk_fb->num_lcdc > 1) {
3430                         /* If there is more than one lcdc device, we disable
3431                            the layer which attached to this device */
3432                         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3433                                 if (dev_drv->win[i] && dev_drv->win[i]->state)
3434                                         dev_drv->ops->open(dev_drv, i, 0);
3435                         }
3436                 }
3437
3438                 hdmi_switch_complete = 0;
3439                 return 0;
3440         } else {
3441                 if (dev_drv->screen1)
3442                         dev_drv->cur_screen = dev_drv->screen1;
3443                 memcpy(dev_drv->cur_screen, screen, sizeof(struct rk_screen));
3444                 dev_drv->cur_screen->xsize = dev_drv->cur_screen->mode.xres;
3445                 dev_drv->cur_screen->ysize = dev_drv->cur_screen->mode.yres;
3446                 dev_drv->cur_screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3447                 dev_drv->cur_screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3448         }
3449         if (!dev_drv->uboot_logo) {
3450                 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3451                         info = rk_fb->fb[dev_drv->fb_index_base + i];
3452                         fb_par = (struct rk_fb_par *)info->par;
3453                         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3454                         if (dev_drv->win[win_id]) {
3455                                 if (rk_fb->disp_mode == DUAL) {
3456                                         pmy_info = rk_fb->fb[i];
3457                                         if (pmy_info != info) {
3458                                                 pmy_fb_par =
3459                                                         (struct rk_fb_par *)pmy_info->par;
3460                                                 fb_par->state = pmy_fb_par->state;
3461                                         }
3462                                 }
3463                                 if (fb_par->state) {
3464                                         if (!dev_drv->win[win_id]->state)
3465                                                 dev_drv->ops->open(dev_drv, win_id, 1);
3466                                         if (!load_screen) {
3467                                                 dev_drv->ops->load_screen(dev_drv, 1);
3468                                                 load_screen = 1;
3469                                         }
3470                                         info->var.activate |= FB_ACTIVATE_FORCE;
3471                                         if (rk_fb->disp_mode == DUAL) {
3472                                                 rk_fb_update_ext_info(info, pmy_info, 1);
3473                                         } else if (rk_fb->disp_mode == ONE_DUAL) {
3474                                                 info->var.grayscale &= 0xff;
3475                                                 info->var.grayscale |=
3476                                                         (dev_drv->cur_screen->xsize << 8) +
3477                                                         (dev_drv->cur_screen->ysize << 20);
3478                                         }
3479                                         info->fbops->fb_set_par(info);
3480                                         info->fbops->fb_pan_display(&info->var, info);
3481                                 }
3482                         }
3483                 }
3484         }else {
3485                 dev_drv->uboot_logo = 0;
3486         }
3487         hdmi_switch_complete = 1;
3488         if (rk_fb->disp_mode == ONE_DUAL) {
3489                 if (dev_drv->ops->set_screen_scaler)
3490                         dev_drv->ops->set_screen_scaler(dev_drv, dev_drv->screen0, 1);
3491                 if (dev_drv->ops->dsp_black)
3492                         dev_drv->ops->dsp_black(dev_drv, 0);
3493         }
3494         return 0;
3495 }
3496
3497 /*
3498  * function:this function current only called by hdmi for
3499  *      scale the display
3500  * scale_x: scale rate of x resolution
3501  * scale_y: scale rate of y resolution
3502  * lcdc_id: the lcdc id the hdmi attached ,0 or 1
3503  */
3504 int rk_fb_disp_scale(u8 scale_x, u8 scale_y, u8 lcdc_id)
3505 {
3506         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3507         struct fb_info *info = NULL;
3508         struct fb_info *pmy_info = NULL;
3509         struct fb_var_screeninfo *var = NULL;
3510         struct rk_lcdc_driver *dev_drv = NULL;
3511         u16 screen_x, screen_y;
3512         u16 xpos, ypos;
3513         char name[6];
3514         struct rk_screen primary_screen;
3515         rk_fb_get_prmry_screen(&primary_screen);
3516         if (primary_screen.type == SCREEN_HDMI) {
3517                 return 0;
3518         }
3519
3520         sprintf(name, "lcdc%d", lcdc_id);
3521
3522         if (inf->disp_mode == DUAL) {
3523                 dev_drv = rk_get_lcdc_drv(name);
3524                 if (dev_drv == NULL) {
3525                         printk(KERN_ERR "%s driver not found!", name);
3526                         return -ENODEV;
3527                 }
3528         } else {
3529                 dev_drv = inf->lcdc_dev_drv[0];
3530         }
3531
3532         if (inf->num_lcdc == 1) {
3533                 info = inf->fb[0];
3534         } else if (inf->num_lcdc == 2) {
3535                 info = inf->fb[dev_drv->lcdc_win_num];
3536                 pmy_info = inf->fb[0];
3537         }
3538
3539         var = &info->var;
3540         screen_x = dev_drv->cur_screen->mode.xres;
3541         screen_y = dev_drv->cur_screen->mode.yres;
3542
3543         if (inf->disp_mode != DUAL && dev_drv->screen1) {
3544                 dev_drv->cur_screen->xpos =
3545                     (screen_x - screen_x * scale_x / 100) >> 1;
3546                 dev_drv->cur_screen->ypos =
3547                     (screen_y - screen_y * scale_y / 100) >> 1;
3548                 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3549                 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3550         } else {
3551                 xpos = (screen_x - screen_x * scale_x / 100) >> 1;
3552                 ypos = (screen_y - screen_y * scale_y / 100) >> 1;
3553                 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3554                 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3555                 if (inf->disp_mode == DUAL) {
3556                         rk_fb_update_ext_info(info, pmy_info, 0);
3557                 } else {
3558                         var->nonstd &= 0xff;
3559                         var->nonstd |= (xpos << 8) + (ypos << 20);
3560                         var->grayscale &= 0xff;
3561                         var->grayscale |=
3562                                 (dev_drv->cur_screen->xsize << 8) +
3563                                 (dev_drv->cur_screen->ysize << 20);
3564                 }
3565         }
3566
3567         info->fbops->fb_set_par(info);
3568         /* info->fbops->fb_ioctl(info, RK_FBIOSET_CONFIG_DONE, 0); */
3569         dev_drv->ops->cfg_done(dev_drv);
3570         return 0;
3571 }
3572
3573 #if defined(CONFIG_ION_ROCKCHIP)
3574 static int rk_fb_alloc_buffer_by_ion(struct fb_info *fbi,
3575                                      struct rk_lcdc_win *win,
3576                                      unsigned long fb_mem_size)
3577 {
3578         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3579         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3580         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3581         struct ion_handle *handle;
3582         ion_phys_addr_t phy_addr;
3583         size_t len;
3584         int ret = 0;
3585
3586         if (dev_drv->iommu_enabled)
3587                 handle = ion_alloc(rk_fb->ion_client, (size_t) fb_mem_size, 0,
3588                                    ION_HEAP(ION_VMALLOC_HEAP_ID), 0);
3589         else
3590                 handle = ion_alloc(rk_fb->ion_client, (size_t) fb_mem_size, 0,
3591                                    ION_HEAP(ION_CMA_HEAP_ID), 0);
3592         if (IS_ERR(handle)) {
3593                 dev_err(fbi->device, "failed to ion_alloc:%ld\n",
3594                         PTR_ERR(handle));
3595                 return -ENOMEM;
3596         }
3597
3598         fb_par->ion_hdl = handle;
3599         win->area[0].dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3600         if (IS_ERR_OR_NULL(win->area[0].dma_buf)) {
3601                 printk("ion_share_dma_buf() failed\n");
3602                 goto err_share_dma_buf;
3603         }
3604         win->area[0].ion_hdl = handle;
3605         if (dev_drv->prop == PRMRY)
3606                 fbi->screen_base = ion_map_kernel(rk_fb->ion_client, handle);
3607 #ifdef CONFIG_ROCKCHIP_IOMMU
3608         if (dev_drv->iommu_enabled && dev_drv->mmu_dev)
3609                 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, handle,
3610                                         (unsigned long *)&phy_addr,
3611                                         (unsigned long *)&len);
3612         else
3613                 ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3614 #else
3615         ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3616 #endif
3617         if (ret < 0) {
3618                 dev_err(fbi->dev, "ion map to get phy addr failed\n");
3619                 goto err_share_dma_buf;
3620         }
3621         fbi->fix.smem_start = phy_addr;
3622         fbi->fix.smem_len = len;
3623         printk(KERN_INFO "alloc_buffer:ion_phy_addr=0x%lx\n", phy_addr);
3624         return 0;
3625
3626 err_share_dma_buf:
3627         ion_free(rk_fb->ion_client, handle);
3628         return -ENOMEM;
3629 }
3630 #endif
3631
3632 static int rk_fb_alloc_buffer(struct fb_info *fbi, int fb_id)
3633 {
3634         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3635         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3636         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3637         struct rk_lcdc_win *win = NULL;
3638         int win_id;
3639         int ret = 0;
3640         unsigned long fb_mem_size;
3641 #if !defined(CONFIG_ION_ROCKCHIP)
3642         dma_addr_t fb_mem_phys;
3643         void *fb_mem_virt;
3644 #endif
3645
3646         win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
3647         if (win_id < 0)
3648                 return -ENODEV;
3649         else
3650                 win = dev_drv->win[win_id];
3651
3652         if (!strcmp(fbi->fix.id, "fb0")) {
3653                 fb_mem_size = get_fb_size();
3654 #if defined(CONFIG_ION_ROCKCHIP)
3655                 if (rk_fb_alloc_buffer_by_ion(fbi, win, fb_mem_size) < 0)
3656                         return -ENOMEM;
3657 #else
3658                 fb_mem_virt = dma_alloc_writecombine(fbi->dev, fb_mem_size,
3659                                                      &fb_mem_phys, GFP_KERNEL);
3660                 if (!fb_mem_virt) {
3661                         pr_err("%s: Failed to allocate framebuffer\n",
3662                                __func__);
3663                         return -ENOMEM;
3664                 }
3665                 fbi->fix.smem_len = fb_mem_size;
3666                 fbi->fix.smem_start = fb_mem_phys;
3667                 fbi->screen_base = fb_mem_virt;
3668 #endif
3669                 memset(fbi->screen_base, 0, fbi->fix.smem_len);
3670                 printk(KERN_INFO "fb%d:phy:%lx>>vir:%p>>len:0x%x\n", fb_id,
3671                        fbi->fix.smem_start, fbi->screen_base,
3672                        fbi->fix.smem_len);
3673         } else {
3674                 if (dev_drv->rotate_mode > X_Y_MIRROR) {
3675                         fb_mem_size = get_rotate_fb_size();
3676 #if defined(CONFIG_ION_ROCKCHIP)
3677                         if (rk_fb_alloc_buffer_by_ion(fbi, win, fb_mem_size) < 0)
3678                                 return -ENOMEM;
3679 #else
3680                         fb_mem_virt =
3681                                 dma_alloc_writecombine(fbi->dev,
3682                                                        fb_mem_size,
3683                                                        &fb_mem_phys,
3684                                                        GFP_KERNEL);
3685                         if (!fb_mem_virt) {
3686                                 pr_err("%s: Failed to allocate framebuffer\n",
3687                                         __func__);
3688                                 return -ENOMEM;
3689                         }
3690                         fbi->fix.smem_len = fb_mem_size;
3691                         fbi->fix.smem_start = fb_mem_phys;
3692                         fbi->screen_base = fb_mem_virt;
3693 #endif
3694                 } else {
3695                         fbi->fix.smem_start = rk_fb->fb[0]->fix.smem_start;
3696                         fbi->fix.smem_len = rk_fb->fb[0]->fix.smem_len;
3697                         fbi->screen_base = rk_fb->fb[0]->screen_base;
3698                 }
3699
3700                 printk(KERN_INFO "fb%d:phy:%lx>>vir:%p>>len:0x%x\n", fb_id,
3701                        fbi->fix.smem_start, fbi->screen_base,
3702                        fbi->fix.smem_len);
3703         }
3704
3705         fbi->screen_size = fbi->fix.smem_len;
3706         fb_par->fb_phy_base = fbi->fix.smem_start;
3707         fb_par->fb_virt_base = fbi->screen_base;
3708         fb_par->fb_size = fbi->fix.smem_len;
3709
3710         return ret;
3711 }
3712
3713 #if 0
3714 static int rk_release_fb_buffer(struct fb_info *fbi)
3715 {
3716         /* buffer for fb1 and fb3 are alloc by android */
3717         if (!strcmp(fbi->fix.id, "fb1") || !strcmp(fbi->fix.id, "fb3"))
3718                 return 0;
3719         iounmap(fbi->screen_base);
3720         release_mem_region(fbi->fix.smem_start, fbi->fix.smem_len);
3721         return 0;
3722 }
3723 #endif
3724
3725 static int init_lcdc_win(struct rk_lcdc_driver *dev_drv,
3726                          struct rk_lcdc_win *def_win)
3727 {
3728         int i;
3729         int lcdc_win_num = dev_drv->lcdc_win_num;
3730
3731         for (i = 0; i < lcdc_win_num; i++) {
3732                 struct rk_lcdc_win *win = NULL;
3733                 win = kzalloc(sizeof(struct rk_lcdc_win), GFP_KERNEL);
3734                 if (!win) {
3735                         dev_err(dev_drv->dev, "kzmalloc for win fail!");
3736                         return -ENOMEM;
3737                 }
3738
3739                 strcpy(win->name, def_win[i].name);
3740                 win->id = def_win[i].id;
3741                 win->support_3d = def_win[i].support_3d;
3742                 dev_drv->win[i] = win;
3743         }
3744
3745         return 0;
3746 }
3747
3748 static int init_lcdc_device_driver(struct rk_fb *rk_fb,
3749                                    struct rk_lcdc_win *def_win, int index)
3750 {
3751         struct rk_lcdc_driver *dev_drv = rk_fb->lcdc_dev_drv[index];
3752         struct rk_screen *screen = devm_kzalloc(dev_drv->dev,
3753                                                 sizeof(struct rk_screen),
3754                                                 GFP_KERNEL);
3755
3756         if (!screen) {
3757                 dev_err(dev_drv->dev, "malloc screen for lcdc%d fail!",
3758                         dev_drv->id);
3759                 return -ENOMEM;
3760         }
3761
3762         screen->screen_id = 0;
3763         screen->lcdc_id = dev_drv->id;
3764         screen->overscan.left = 100;
3765         screen->overscan.top = 100;
3766         screen->overscan.right = 100;
3767         screen->overscan.bottom = 100;
3768
3769         screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3770         screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3771
3772         dev_drv->screen0 = screen;
3773         dev_drv->cur_screen = screen;
3774         /* devie use one lcdc + rk61x scaler for dual display */
3775         if (rk_fb->disp_mode == ONE_DUAL) {
3776                 struct rk_screen *screen1 =
3777                                 devm_kzalloc(dev_drv->dev,
3778                                              sizeof(struct rk_screen),
3779                                              GFP_KERNEL);
3780                 if (!screen1) {
3781                         dev_err(dev_drv->dev, "malloc screen1 for lcdc%d fail!",
3782                                 dev_drv->id);
3783                         return -ENOMEM;
3784                 }
3785                 screen1->screen_id = 1;
3786                 screen1->lcdc_id = 1;
3787                 dev_drv->screen1 = screen1;
3788         }
3789         sprintf(dev_drv->name, "lcdc%d", dev_drv->id);
3790         init_lcdc_win(dev_drv, def_win);
3791         init_completion(&dev_drv->frame_done);
3792         spin_lock_init(&dev_drv->cpl_lock);
3793         mutex_init(&dev_drv->fb_win_id_mutex);
3794         dev_drv->ops->fb_win_remap(dev_drv, dev_drv->fb_win_map);
3795         dev_drv->first_frame = 1;
3796         dev_drv->overscan.left = 100;
3797         dev_drv->overscan.top = 100;
3798         dev_drv->overscan.right = 100;
3799         dev_drv->overscan.bottom = 100;
3800         rk_disp_pwr_ctr_parse_dt(dev_drv);
3801         if (dev_drv->prop == PRMRY) {
3802                 if (dev_drv->ops->set_dsp_cabc)
3803                         dev_drv->ops->set_dsp_cabc(dev_drv, dev_drv->cabc_mode);
3804                 rk_fb_set_prmry_screen(screen);
3805                 rk_fb_get_prmry_screen(screen);
3806         }
3807         dev_drv->trsm_ops = rk_fb_trsm_ops_get(screen->type);
3808         if (dev_drv->prop != PRMRY)
3809                 rk_fb_get_prmry_screen(screen);
3810         dev_drv->output_color = screen->color_mode;
3811
3812         return 0;
3813 }
3814
3815 #ifdef CONFIG_LOGO_LINUX_BMP
3816 static struct linux_logo *bmp_logo;
3817 static int fb_prewine_bmp_logo(struct fb_info *info, int rotate)
3818 {
3819         bmp_logo = fb_find_logo(24);
3820         if (bmp_logo == NULL) {
3821                 printk(KERN_INFO "%s error\n", __func__);
3822                 return 0;
3823         }
3824         return 1;
3825 }
3826
3827 static void fb_show_bmp_logo(struct fb_info *info, int rotate)
3828 {
3829         unsigned char *src = bmp_logo->data;
3830         unsigned char *dst = info->screen_base;
3831         int i;
3832         unsigned int Needwidth = (*(src - 24) << 8) | (*(src - 23));
3833         unsigned int Needheight = (*(src - 22) << 8) | (*(src - 21));
3834
3835         for (i = 0; i < Needheight; i++)
3836                 memcpy(dst + info->var.xres * i * 4,
3837                        src + bmp_logo->width * i * 4, Needwidth * 4);
3838 }
3839 #endif
3840
3841 /*
3842  * check if the primary lcdc has registerd,
3843  * the primary lcdc mas register first
3844  */
3845 bool is_prmry_rk_lcdc_registered(void)
3846 {
3847         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3848
3849         if (rk_fb->lcdc_dev_drv[0])
3850                 return true;
3851         else
3852                 return false;
3853 }
3854
3855 int rk_fb_register(struct rk_lcdc_driver *dev_drv,
3856                    struct rk_lcdc_win *win, int id)
3857 {
3858         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3859         struct fb_info *fbi;
3860         struct rk_fb_par *fb_par = NULL;
3861         int i = 0, ret = 0, index = 0;
3862
3863         if (rk_fb->num_lcdc == RK30_MAX_LCDC_SUPPORT)
3864                 return -ENXIO;
3865
3866         for (i = 0; i < RK30_MAX_LCDC_SUPPORT; i++) {
3867                 if (!rk_fb->lcdc_dev_drv[i]) {
3868                         rk_fb->lcdc_dev_drv[i] = dev_drv;
3869                         rk_fb->lcdc_dev_drv[i]->id = id;
3870                         rk_fb->num_lcdc++;
3871                         break;
3872                 }
3873         }
3874
3875         index = i;
3876         init_lcdc_device_driver(rk_fb, win, index);
3877         dev_drv->fb_index_base = rk_fb->num_fb;
3878         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3879                 fbi = framebuffer_alloc(0, &fb_pdev->dev);
3880                 if (!fbi) {
3881                         dev_err(&fb_pdev->dev, "fb framebuffer_alloc fail!");
3882                         ret = -ENOMEM;
3883                 }
3884                 fb_par = devm_kzalloc(&fb_pdev->dev, sizeof(struct rk_fb_par),
3885                                       GFP_KERNEL);
3886                 if (!fb_par) {
3887                         dev_err(&fb_pdev->dev, "malloc fb_par for fb%d fail!",
3888                                 rk_fb->num_fb);
3889                         return -ENOMEM;
3890                 }
3891                 fb_par->id = rk_fb->num_fb;
3892                 fb_par->lcdc_drv = dev_drv;
3893                 fbi->par = (void *)fb_par;
3894                 fbi->var = def_var;
3895                 fbi->fix = def_fix;
3896                 sprintf(fbi->fix.id, "fb%d", rk_fb->num_fb);
3897                 fb_videomode_to_var(&fbi->var, &dev_drv->cur_screen->mode);
3898                 fbi->var.grayscale |=
3899                     (fbi->var.xres << 8) + (fbi->var.yres << 20);
3900 #if defined(CONFIG_LOGO_LINUX_BMP)
3901                 fbi->var.bits_per_pixel = 32;
3902 #else
3903                 fbi->var.bits_per_pixel = 16;
3904 #endif
3905                 fbi->fix.line_length =
3906                     (fbi->var.xres_virtual) * (fbi->var.bits_per_pixel >> 3);
3907                 fbi->var.width = dev_drv->cur_screen->width;
3908                 fbi->var.height = dev_drv->cur_screen->height;
3909                 fbi->var.pixclock = dev_drv->pixclock;
3910                 if (dev_drv->iommu_enabled)
3911                         fb_ops.fb_mmap = rk_fb_mmap;
3912                 fbi->fbops = &fb_ops;
3913                 fbi->flags = FBINFO_FLAG_DEFAULT;
3914                 fbi->pseudo_palette = dev_drv->win[i]->pseudo_pal;
3915                 ret = register_framebuffer(fbi);
3916                 if (ret < 0) {
3917                         dev_err(&fb_pdev->dev,
3918                                 "%s fb%d register_framebuffer fail!\n",
3919                                 __func__, rk_fb->num_fb);
3920                         return ret;
3921                 }
3922                 rkfb_create_sysfs(fbi);
3923                 rk_fb->fb[rk_fb->num_fb] = fbi;
3924                 dev_info(fbi->dev, "rockchip framebuffer registerd:%s\n",
3925                          fbi->fix.id);
3926                 rk_fb->num_fb++;
3927
3928                 if (i == 0) {
3929                         init_waitqueue_head(&dev_drv->vsync_info.wait);
3930                         init_waitqueue_head(&dev_drv->update_regs_wait);
3931                         ret = device_create_file(fbi->dev, &dev_attr_vsync);
3932                         if (ret)
3933                                 dev_err(fbi->dev,
3934                                         "failed to create vsync file\n");
3935                         dev_drv->vsync_info.thread =
3936                             kthread_run(rk_fb_wait_for_vsync_thread, dev_drv,
3937                                         "fb-vsync");
3938                         if (dev_drv->vsync_info.thread == ERR_PTR(-ENOMEM)) {
3939                                 dev_err(fbi->dev,
3940                                         "failed to run vsync thread\n");
3941                                 dev_drv->vsync_info.thread = NULL;
3942                         }
3943                         dev_drv->vsync_info.active = 1;
3944
3945                         mutex_init(&dev_drv->output_lock);
3946
3947                         INIT_LIST_HEAD(&dev_drv->update_regs_list);
3948                         mutex_init(&dev_drv->update_regs_list_lock);
3949                         init_kthread_worker(&dev_drv->update_regs_worker);
3950
3951                         dev_drv->update_regs_thread =
3952                             kthread_run(kthread_worker_fn,
3953                                         &dev_drv->update_regs_worker, "rk-fb");
3954                         if (IS_ERR(dev_drv->update_regs_thread)) {
3955                                 int err = PTR_ERR(dev_drv->update_regs_thread);
3956                                 dev_drv->update_regs_thread = NULL;
3957
3958                                 printk("failed to run update_regs thread\n");
3959                                 return err;
3960                         }
3961                         init_kthread_work(&dev_drv->update_regs_work,
3962                                           rk_fb_update_regs_handler);
3963
3964                         dev_drv->timeline =
3965                             sw_sync_timeline_create("fb-timeline");
3966                         dev_drv->timeline_max = 1;
3967                 }
3968         }
3969
3970         /* show logo for primary display device */
3971 #if !defined(CONFIG_FRAMEBUFFER_CONSOLE) && defined(CONFIG_LOGO)
3972         if (dev_drv->prop == PRMRY) {
3973                 struct fb_info *main_fbi = rk_fb->fb[0];
3974                 main_fbi->fbops->fb_open(main_fbi, 1);
3975
3976 #if defined(CONFIG_ROCKCHIP_IOMMU)
3977                 if (dev_drv->iommu_enabled) {
3978                         if (dev_drv->mmu_dev)
3979                                 rockchip_iovmm_set_fault_handler(dev_drv->dev,
3980                                                 rk_fb_sysmmu_fault_handler);
3981                 }
3982 #endif
3983
3984                 rk_fb_alloc_buffer(main_fbi, 0);        /* only alloc memory for main fb */
3985                 dev_drv->uboot_logo = support_uboot_display();
3986                 if (support_uboot_display()) {
3987                         /*
3988                         if (dev_drv->iommu_enabled)
3989                                 rk_fb_copy_from_loader(main_fbi);
3990                         */
3991                         return 0;
3992                 }
3993                 main_fbi->fbops->fb_set_par(main_fbi);
3994 #if  defined(CONFIG_LOGO_LINUX_BMP)
3995                 if (fb_prewine_bmp_logo(main_fbi, FB_ROTATE_UR)) {
3996                         fb_set_cmap(&main_fbi->cmap, main_fbi);
3997                         fb_show_bmp_logo(main_fbi, FB_ROTATE_UR);
3998                 }
3999 #else
4000                 if (fb_prepare_logo(main_fbi, FB_ROTATE_UR)) {
4001                         fb_set_cmap(&main_fbi->cmap, main_fbi);
4002                         fb_show_logo(main_fbi, FB_ROTATE_UR);
4003                 }
4004 #endif
4005                 main_fbi->fbops->fb_pan_display(&main_fbi->var, main_fbi);
4006         } else {
4007                 struct fb_info *extend_fbi = rk_fb->fb[rk_fb->num_fb >> 1];
4008                 int extend_fb_id = get_extend_fb_id(extend_fbi);
4009
4010                 rk_fb_alloc_buffer(extend_fbi, extend_fb_id);
4011         }
4012 #endif
4013         return 0;
4014 }
4015
4016 int rk_fb_unregister(struct rk_lcdc_driver *dev_drv)
4017 {
4018         struct rk_fb *fb_inf = platform_get_drvdata(fb_pdev);
4019         struct fb_info *fbi;
4020         int fb_index_base = dev_drv->fb_index_base;
4021         int fb_num = dev_drv->lcdc_win_num;
4022         int i = 0;
4023
4024         if (fb_inf->lcdc_dev_drv[i]->vsync_info.thread) {
4025                 fb_inf->lcdc_dev_drv[i]->vsync_info.irq_stop = 1;
4026                 kthread_stop(fb_inf->lcdc_dev_drv[i]->vsync_info.thread);
4027         }
4028
4029         for (i = 0; i < fb_num; i++)
4030                 kfree(dev_drv->win[i]);
4031
4032         for (i = fb_index_base; i < (fb_index_base + fb_num); i++) {
4033                 fbi = fb_inf->fb[i];
4034                 unregister_framebuffer(fbi);
4035                 /* rk_release_fb_buffer(fbi); */
4036                 framebuffer_release(fbi);
4037         }
4038         fb_inf->lcdc_dev_drv[dev_drv->id] = NULL;
4039         fb_inf->num_lcdc--;
4040
4041         return 0;
4042 }
4043
4044 static int rk_fb_probe(struct platform_device *pdev)
4045 {
4046         struct rk_fb *rk_fb = NULL;
4047         struct device_node *np = pdev->dev.of_node;
4048         u32 mode;
4049
4050         if (!np) {
4051                 dev_err(&pdev->dev, "Missing device tree node.\n");
4052                 return -EINVAL;
4053         }
4054
4055         rk_fb = devm_kzalloc(&pdev->dev, sizeof(struct rk_fb), GFP_KERNEL);
4056         if (!rk_fb) {
4057                 dev_err(&pdev->dev, "kmalloc for rk fb fail!");
4058                 return -ENOMEM;
4059         }
4060         platform_set_drvdata(pdev, rk_fb);
4061
4062         if (!of_property_read_u32(np, "rockchip,disp-mode", &mode)) {
4063                 rk_fb->disp_mode = mode;
4064
4065         } else {
4066                 dev_err(&pdev->dev, "no disp-mode node found!");
4067                 return -ENODEV;
4068         }
4069
4070         if (!of_property_read_u32(np, "rockchip,disp-policy", &mode)) {
4071                 rk_fb->disp_policy = mode;
4072                 pr_info("fb disp policy is %s\n", rk_fb->disp_policy ? "box":"sdk");
4073         }
4074
4075         if (!of_property_read_u32(np, "rockchip,uboot-logo-on", &uboot_logo_on))
4076                 printk(KERN_DEBUG "uboot-logo-on:%d\n", uboot_logo_on);
4077
4078         dev_set_name(&pdev->dev, "rockchip-fb");
4079 #if defined(CONFIG_ION_ROCKCHIP)
4080         rk_fb->ion_client = rockchip_ion_client_create("rk_fb");
4081         if (IS_ERR(rk_fb->ion_client)) {
4082                 dev_err(&pdev->dev, "failed to create ion client for rk fb");
4083                 return PTR_ERR(rk_fb->ion_client);
4084         } else {
4085                 dev_info(&pdev->dev, "rk fb ion client create success!\n");
4086         }
4087 #endif
4088
4089         fb_pdev = pdev;
4090         dev_info(&pdev->dev, "rockchip framebuffer driver probe\n");
4091         return 0;
4092 }
4093
4094 static int rk_fb_remove(struct platform_device *pdev)
4095 {
4096         struct rk_fb *rk_fb = platform_get_drvdata(pdev);
4097
4098         kfree(rk_fb);
4099         platform_set_drvdata(pdev, NULL);
4100         return 0;
4101 }
4102
4103 static void rk_fb_shutdown(struct platform_device *pdev)
4104 {
4105         struct rk_fb *rk_fb = platform_get_drvdata(pdev);
4106         int i;
4107
4108         for (i = 0; i < rk_fb->num_lcdc; i++) {
4109                 if (!rk_fb->lcdc_dev_drv[i])
4110                         continue;
4111         }
4112 }
4113
4114 static const struct of_device_id rkfb_dt_ids[] = {
4115         {.compatible = "rockchip,rk-fb",},
4116         {}
4117 };
4118
4119 static struct platform_driver rk_fb_driver = {
4120         .probe = rk_fb_probe,
4121         .remove = rk_fb_remove,
4122         .driver = {
4123                    .name = "rk-fb",
4124                    .owner = THIS_MODULE,
4125                    .of_match_table = of_match_ptr(rkfb_dt_ids),
4126                    },
4127         .shutdown = rk_fb_shutdown,
4128 };
4129
4130 static int __init rk_fb_init(void)
4131 {
4132         return platform_driver_register(&rk_fb_driver);
4133 }
4134
4135 static void __exit rk_fb_exit(void)
4136 {
4137         platform_driver_unregister(&rk_fb_driver);
4138 }
4139
4140 fs_initcall(rk_fb_init);
4141 module_exit(rk_fb_exit);