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
 351         if (dt->flags & DISPLAY_FLAGS_PIXDATA_POSEDGE)
 352                 screen->pin_dclk = 1;
 353         else
 354                 screen->pin_dclk = 0;
 355         if (dt->flags & DISPLAY_FLAGS_HSYNC_HIGH)
 356                 screen->pin_hsync = 1;
 357         else
 358                 screen->pin_hsync = 0;
 359         if (dt->flags & DISPLAY_FLAGS_VSYNC_HIGH)
 360                 screen->pin_vsync = 1;
 361         else
 362                 screen->pin_vsync = 0;
 363         if (dt->flags & DISPLAY_FLAGS_DE_HIGH)
 364                 screen->pin_den = 1;
 365         else
 366                 screen->pin_den = 0;
 367
 368         return 0;
 369
 370 }
 371
 372 int rk_fb_prase_timing_dt(struct device_node *np, struct rk_screen *screen)
 373 {
 374         struct display_timings *disp_timing;
 375         struct display_timing *dt;
 376         disp_timing = of_get_display_timings(np);
 377         if (!disp_timing) {
 378                 pr_err("parse display timing err\n");
 379                 return -EINVAL;
 380         }
 381         dt = display_timings_get(disp_timing, 0);
 382         rk_fb_video_mode_from_timing(dt, screen);
 383         return 0;
 384
 385 }
 386
 387 int rk_fb_calc_fps(struct rk_screen *screen, u32 pixclock)
 388 {
 389         int x, y;
 390         unsigned long long hz;
 391         if (!screen) {
 392                 printk(KERN_ERR "%s:null screen!\n", __func__);
 393                 return 0;
 394         }
 395         x = screen->mode.xres + screen->mode.left_margin +
 396             screen->mode.right_margin + screen->mode.hsync_len;
 397         y = screen->mode.yres + screen->mode.upper_margin +
 398             screen->mode.lower_margin + screen->mode.vsync_len;
 399
 400         hz = 1000000000000ULL;  /* 1e12 picoseconds per second */
 401
 402         hz += (x * y) / 2;
 403         do_div(hz, x * y);      /* divide by x * y with rounding */
 404
 405         hz += pixclock / 2;
 406         do_div(hz, pixclock);   /* divide by pixclock with rounding */
 407
 408         return hz;
 409 }
 410
 411 char *get_format_string(enum data_format format, char *fmt)
 412 {
 413         if (!fmt)
 414                 return NULL;
 415         switch (format) {
 416         case ARGB888:
 417                 strcpy(fmt, "ARGB888");
 418                 break;
 419         case RGB888:
 420                 strcpy(fmt, "RGB888");
 421                 break;
 422         case RGB565:
 423                 strcpy(fmt, "RGB565");
 424                 break;
 425         case YUV420:
 426                 strcpy(fmt, "YUV420");
 427                 break;
 428         case YUV422:
 429                 strcpy(fmt, "YUV422");
 430                 break;
 431         case YUV444:
 432                 strcpy(fmt, "YUV444");
 433                 break;
 434         case YUV420_A:
 435                 strcpy(fmt, "YUV420_A");
 436                 break;
 437         case YUV422_A:
 438                 strcpy(fmt, "YUV422_A");
 439                 break;
 440         case YUV444_A:
 441                 strcpy(fmt, "YUV444_A");
 442                 break;
 443         case XRGB888:
 444                 strcpy(fmt, "XRGB888");
 445                 break;
 446         case XBGR888:
 447                 strcpy(fmt, "XBGR888");
 448                 break;
 449         case ABGR888:
 450                 strcpy(fmt, "XBGR888");
 451                 break;
 452         default:
 453                 strcpy(fmt, "invalid");
 454                 break;
 455         }
 456
 457         return fmt;
 458
 459 }
 460
 461 /*
 462  * this is for hdmi
 463  * name: lcdc device name ,lcdc0 , lcdc1
 464  */
 465 struct rk_lcdc_driver *rk_get_lcdc_drv(char *name)
 466 {
 467         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
 468         int i = 0;
 469         for (i = 0; i < inf->num_lcdc; i++) {
 470                 if (!strcmp(inf->lcdc_dev_drv[i]->name, name))
 471                         break;
 472         }
 473         return inf->lcdc_dev_drv[i];
 474
 475 }
 476
 477 static struct rk_lcdc_driver *rk_get_prmry_lcdc_drv(void)
 478 {
 479         struct rk_fb *inf = NULL;
 480         struct rk_lcdc_driver *dev_drv = NULL;
 481         int i = 0;
 482
 483         if (likely(fb_pdev))
 484                 inf = platform_get_drvdata(fb_pdev);
 485         else
 486                 return NULL;
 487
 488         for (i = 0; i < inf->num_lcdc; i++) {
 489                 if (inf->lcdc_dev_drv[i]->prop == PRMRY) {
 490                         dev_drv = inf->lcdc_dev_drv[i];
 491                         break;
 492                 }
 493         }
 494
 495         return dev_drv;
 496 }
 497
 498 /*
 499  * get one frame time of the prmry screen, unit: us
 500  */
 501 u32 rk_fb_get_prmry_screen_ft(void)
 502 {
 503         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 504         uint32_t htotal, vtotal, pixclock_ps;
 505         u64 pix_total, ft_us;
 506
 507         if (unlikely(!dev_drv))
 508                 return 0;
 509
 510         pixclock_ps = dev_drv->pixclock;
 511
 512         vtotal = (dev_drv->cur_screen->mode.upper_margin +
 513                  dev_drv->cur_screen->mode.lower_margin +
 514                  dev_drv->cur_screen->mode.yres +
 515                  dev_drv->cur_screen->mode.vsync_len);
 516         htotal = (dev_drv->cur_screen->mode.left_margin +
 517                  dev_drv->cur_screen->mode.right_margin +
 518                  dev_drv->cur_screen->mode.xres +
 519                  dev_drv->cur_screen->mode.hsync_len);
 520         pix_total = htotal * vtotal;
 521         ft_us = pix_total * pixclock_ps;
 522         do_div(ft_us, 1000000);
 523         if (dev_drv->frame_time.ft == 0)
 524                 dev_drv->frame_time.ft = ft_us;
 525
 526         ft_us = dev_drv->frame_time.framedone_t - dev_drv->frame_time.last_framedone_t;
 527         do_div(ft_us, 1000);
 528         ft_us = min(dev_drv->frame_time.ft, (u32)ft_us);
 529         if (ft_us != 0)
 530                 dev_drv->frame_time.ft = ft_us;
 531
 532         return dev_drv->frame_time.ft;
 533 }
 534
 535 /*
 536  * get the vblanking time of the prmry screen, unit: us
 537  */
 538 u32 rk_fb_get_prmry_screen_vbt(void)
 539 {
 540         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 541         uint32_t htotal, vblank, pixclock_ps;
 542         u64 pix_blank, vbt_us;
 543
 544         if (unlikely(!dev_drv))
 545                 return 0;
 546
 547         pixclock_ps = dev_drv->pixclock;
 548
 549         htotal = (dev_drv->cur_screen->mode.left_margin +
 550                  dev_drv->cur_screen->mode.right_margin +
 551                  dev_drv->cur_screen->mode.xres +
 552                  dev_drv->cur_screen->mode.hsync_len);
 553         vblank = (dev_drv->cur_screen->mode.upper_margin +
 554                  dev_drv->cur_screen->mode.lower_margin +
 555                  dev_drv->cur_screen->mode.vsync_len);
 556         pix_blank = htotal * vblank;
 557         vbt_us = pix_blank * pixclock_ps;
 558         do_div(vbt_us, 1000000);
 559         return (u32)vbt_us;
 560 }
 561
 562 /*
 563  * get the frame done time of the prmry screen, unit: us
 564  */
 565 u64 rk_fb_get_prmry_screen_framedone_t(void)
 566 {
 567         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 568
 569         if (unlikely(!dev_drv))
 570                 return 0;
 571         else
 572                 return dev_drv->frame_time.framedone_t;
 573 }
 574
 575 /*
 576  * set prmry screen status
 577  */
 578 int rk_fb_set_prmry_screen_status(int status)
 579 {
 580         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 581         struct rk_screen *screen;
 582
 583         if (unlikely(!dev_drv))
 584                 return 0;
 585
 586         screen = dev_drv->cur_screen;
 587         switch (status) {
 588         case SCREEN_PREPARE_DDR_CHANGE:
 589                 if (screen->type == SCREEN_MIPI
 590                         || screen->type == SCREEN_DUAL_MIPI) {
 591                         if (dev_drv->trsm_ops->dsp_pwr_off)
 592                                 dev_drv->trsm_ops->dsp_pwr_off();
 593                 }
 594                 break;
 595         case SCREEN_UNPREPARE_DDR_CHANGE:
 596                 if (screen->type == SCREEN_MIPI
 597                         || screen->type == SCREEN_DUAL_MIPI) {
 598                         if (dev_drv->trsm_ops->dsp_pwr_on)
 599                                 dev_drv->trsm_ops->dsp_pwr_on();
 600                 }
 601                 break;
 602         default:
 603                 break;
 604         }
 605
 606         return 0;
 607 }
 608
 609 static struct rk_lcdc_driver *rk_get_extend_lcdc_drv(void)
 610 {
 611         struct rk_fb *inf = NULL;
 612         struct rk_lcdc_driver *dev_drv = NULL;
 613         int i = 0;
 614
 615         if (likely(fb_pdev))
 616                 inf = platform_get_drvdata(fb_pdev);
 617         else
 618                 return NULL;
 619
 620         for (i = 0; i < inf->num_lcdc; i++) {
 621                 if (inf->lcdc_dev_drv[i]->prop == EXTEND) {
 622                         dev_drv = inf->lcdc_dev_drv[i];
 623                         break;
 624                 }
 625         }
 626
 627         return dev_drv;
 628 }
 629
 630 u32 rk_fb_get_prmry_screen_pixclock(void)
 631 {
 632         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 633
 634         if (unlikely(!dev_drv))
 635                 return 0;
 636         else
 637                 return dev_drv->pixclock;
 638 }
 639
 640 int rk_fb_poll_prmry_screen_vblank(void)
 641 {
 642         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 643         if (likely(dev_drv)) {
 644                 if (dev_drv->ops->poll_vblank)
 645                         return dev_drv->ops->poll_vblank(dev_drv);
 646                 else
 647                         return RK_LF_STATUS_NC;
 648         } else
 649                 return RK_LF_STATUS_NC;
 650 }
 651
 652 bool rk_fb_poll_wait_frame_complete(void)
 653 {
 654         uint32_t timeout = RK_LF_MAX_TIMEOUT;
 655         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 656
 657         if (likely(dev_drv)) {
 658                 if (dev_drv->ops->set_irq_to_cpu)
 659                         dev_drv->ops->set_irq_to_cpu(dev_drv, 0);
 660         }
 661
 662         if (rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_NC) {
 663                 if (likely(dev_drv)) {
 664                         if (dev_drv->ops->set_irq_to_cpu)
 665                                 dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
 666                 }
 667                 return false;
 668         }
 669         while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FR) && --timeout)
 670                 ;
 671         while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FC) && --timeout)
 672                 ;
 673         if (likely(dev_drv)) {
 674                 if (dev_drv->ops->set_irq_to_cpu)
 675                         dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
 676         }
 677
 678         return true;
 679 }
 680
 681
 682 /****
 683 1,success : pointer to the device inside of platform device
 684 2,fail       : NULL
 685 ****/
 686 struct device *rk_fb_get_sysmmu_device_by_compatible(const char *compt)
 687 {
 688         struct device_node *dn = NULL;
 689         struct platform_device *pd = NULL;
 690         struct device *ret = NULL ;
 691
 692         dn = of_find_compatible_node(NULL,NULL,compt);
 693         if(!dn)
 694         {
 695                 printk("can't find device node %s \r\n",compt);
 696                 return NULL;
 697         }
 698
 699         pd = of_find_device_by_node(dn);
 700         if(!pd)
 701         {
 702                 printk("can't find platform device in device node %s \r\n",compt);
 703                 return  NULL;
 704         }
 705         ret = &pd->dev;
 706
 707         return ret;
 708
 709 }
 710
 711 #ifdef CONFIG_IOMMU_API
 712 void rk_fb_platform_set_sysmmu(struct device *sysmmu, struct device *dev)
 713 {
 714         dev->archdata.iommu = sysmmu;
 715 }
 716 #else
 717 void rk_fb_platform_set_sysmmu(struct device *sysmmu, struct device *dev)
 718 {
 719
 720 }
 721 #endif
 722
 723 static int rk_fb_open(struct fb_info *info, int user)
 724 {
 725         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
 726         int win_id;
 727
 728         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
 729         /* if this win aready opened ,no need to reopen */
 730         if (dev_drv->win[win_id]->state)
 731                 return 0;
 732         else
 733                 dev_drv->ops->open(dev_drv, win_id, 1);
 734         return 0;
 735 }
 736
 737 static int get_extend_fb_id(struct fb_info *info)
 738 {
 739         int fb_id = 0;
 740         char *id = info->fix.id;
 741         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
 742         if (!strcmp(id, "fb0"))
 743                 fb_id = 0;
 744         else if (!strcmp(id, "fb1"))
 745                 fb_id = 1;
 746         else if (!strcmp(id, "fb2") && (dev_drv->lcdc_win_num > 2))
 747                 fb_id = 2;
 748         return fb_id;
 749 }
 750
 751 static int rk_fb_close(struct fb_info *info, int user)
 752 {
 753         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
 754         struct rk_lcdc_win *win = NULL;
 755         int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
 756         if (win_id >= 0) {
 757                 win = dev_drv->win[win_id];
 758                 info->fix.smem_start = win->reserved;
 759
 760                 info->var.xres = dev_drv->screen0->mode.xres;
 761                 info->var.yres = dev_drv->screen0->mode.yres;
 762                 info->var.grayscale |=
 763                     (info->var.xres << 8) + (info->var.yres << 20);
 764                 info->var.xres_virtual = info->var.xres;
 765                 info->var.yres_virtual = info->var.yres;
 766 #if defined(CONFIG_LOGO_LINUX_BMP)
 767                 info->var.bits_per_pixel = 32;
 768 #else
 769                 info->var.bits_per_pixel = 16;
 770 #endif
 771
 772                 info->fix.line_length =
 773                     (info->var.xres_virtual) * (info->var.bits_per_pixel >> 3);
 774                 info->var.width = dev_drv->screen0->width;
 775                 info->var.height = dev_drv->screen0->height;
 776                 info->var.pixclock = dev_drv->pixclock;
 777                 info->var.left_margin = dev_drv->screen0->mode.left_margin;
 778                 info->var.right_margin = dev_drv->screen0->mode.right_margin;
 779                 info->var.upper_margin = dev_drv->screen0->mode.upper_margin;
 780                 info->var.lower_margin = dev_drv->screen0->mode.lower_margin;
 781                 info->var.vsync_len = dev_drv->screen0->mode.vsync_len;
 782                 info->var.hsync_len = dev_drv->screen0->mode.hsync_len;
 783         }
 784
 785         return 0;
 786 }
 787
 788
 789 #if defined(CONFIG_RK29_IPP)
 790 static int get_ipp_format(int fmt)
 791 {
 792         int ipp_fmt = IPP_XRGB_8888;
 793         switch (fmt) {
 794         case HAL_PIXEL_FORMAT_RGBX_8888:
 795         case HAL_PIXEL_FORMAT_RGBA_8888:
 796         case HAL_PIXEL_FORMAT_BGRA_8888:
 797         case HAL_PIXEL_FORMAT_RGB_888:
 798                 ipp_fmt = IPP_XRGB_8888;
 799                 break;
 800         case HAL_PIXEL_FORMAT_RGB_565:
 801                 ipp_fmt = IPP_RGB_565;
 802                 break;
 803         case HAL_PIXEL_FORMAT_YCbCr_422_SP:
 804                 ipp_fmt = IPP_Y_CBCR_H2V1;
 805                 break;
 806         case HAL_PIXEL_FORMAT_YCrCb_NV12:
 807                 ipp_fmt = IPP_Y_CBCR_H2V2;
 808                 break;
 809         case HAL_PIXEL_FORMAT_YCrCb_444:
 810                 ipp_fmt = IPP_Y_CBCR_H1V1;
 811                 break;
 812         default:
 813                 ipp_fmt = IPP_IMGTYPE_LIMIT;
 814                 break;
 815         }
 816
 817         return ipp_fmt;
 818 }
 819
 820 static void ipp_win_check(int *dst_w, int *dst_h, int *dst_vir_w,
 821                           int rotation, int fmt)
 822 {
 823         int align16 = 2;
 824         int align64 = 8;
 825
 826         if (fmt == IPP_XRGB_8888) {
 827                 align16 = 1;
 828                 align64 = 2;
 829         } else if (fmt == IPP_RGB_565) {
 830                 align16 = 1;
 831                 align64 = 4;
 832         } else {
 833                 align16 = 2;
 834                 align64 = 8;
 835         }
 836         align16 -= 1;           /*for YUV, 1 */
 837         align64 -= 1;           /*for YUV, 7 */
 838
 839         if (rotation == IPP_ROT_0) {
 840                 if (fmt > IPP_RGB_565) {
 841                         if ((*dst_w & 1) != 0)
 842                                 *dst_w = *dst_w + 1;
 843                         if ((*dst_h & 1) != 0)
 844                                 *dst_h = *dst_h + 1;
 845                         if (*dst_vir_w < *dst_w)
 846                                 *dst_vir_w = *dst_w;
 847                 }
 848         } else {
 849
 850                 if ((*dst_w & align64) != 0)
 851                         *dst_w = (*dst_w + align64) & (~align64);
 852                 if ((fmt > IPP_RGB_565) && ((*dst_h & 1) == 1))
 853                         *dst_h = *dst_h + 1;
 854                 if (*dst_vir_w < *dst_w)
 855                         *dst_vir_w = *dst_w;
 856         }
 857
 858 }
 859
 860 static void fb_copy_by_ipp(struct fb_info *dst_info,
 861                            struct fb_info *src_info, int offset)
 862 {
 863         struct rk29_ipp_req ipp_req;
 864         uint32_t rotation = 0;
 865         int dst_w, dst_h, dst_vir_w;
 866         int ipp_fmt;
 867         u8 data_format = (dst_info->var.nonstd) & 0xff;
 868         struct rk_lcdc_driver *ext_dev_drv =
 869                         (struct rk_lcdc_driver *)dst_info->par;
 870         u16 orientation = ext_dev_drv->rotate_mode;
 871
 872         memset(&ipp_req, 0, sizeof(struct rk29_ipp_req));
 873
 874         switch (orientation) {
 875         case 0:
 876                 rotation = IPP_ROT_0;
 877                 break;
 878         case ROTATE_90:
 879                 rotation = IPP_ROT_90;
 880                 break;
 881         case ROTATE_180:
 882                 rotation = IPP_ROT_180;
 883                 break;
 884         case ROTATE_270:
 885                 rotation = IPP_ROT_270;
 886                 break;
 887         default:
 888                 rotation = IPP_ROT_270;
 889                 break;
 890
 891         }
 892
 893         dst_w = dst_info->var.xres;
 894         dst_h = dst_info->var.yres;
 895         dst_vir_w = dst_info->var.xres_virtual;
 896         ipp_fmt = get_ipp_format(data_format);
 897         ipp_win_check(&dst_w, &dst_h, &dst_vir_w, rotation, ipp_fmt);
 898         ipp_req.src0.YrgbMst = src_info->fix.smem_start + offset;
 899         ipp_req.src0.w = src_info->var.xres;
 900         ipp_req.src0.h = src_info->var.yres;
 901         ipp_req.src_vir_w = src_info->var.xres_virtual;
 902         ipp_req.src0.fmt = ipp_fmt;
 903
 904         ipp_req.dst0.YrgbMst = dst_info->fix.smem_start + offset;
 905         ipp_req.dst0.w = dst_w;
 906         ipp_req.dst0.h = dst_h;
 907         ipp_req.dst_vir_w = dst_vir_w;
 908         ipp_req.dst0.fmt = ipp_fmt;
 909
 910         ipp_req.timeout = 100;
 911         ipp_req.flag = rotation;
 912         ipp_blit_sync(&ipp_req);
 913
 914 }
 915
 916 #endif
 917
 918 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
 919 static int get_rga_format(int fmt)
 920 {
 921         int rga_fmt = 0;
 922
 923         switch (fmt) {
 924         case XBGR888:
 925                 rga_fmt = RK_FORMAT_RGBX_8888;
 926                 break;
 927         case ABGR888:
 928                 rga_fmt = RK_FORMAT_RGBA_8888;
 929                 break;
 930         case ARGB888:
 931                 rga_fmt = RK_FORMAT_BGRA_8888;
 932                 break;
 933         case RGB888:
 934                 rga_fmt = RK_FORMAT_RGB_888;
 935                 break;
 936         case RGB565:
 937                 rga_fmt = RK_FORMAT_RGB_565;
 938                 break;
 939         case YUV422:
 940                 rga_fmt = RK_FORMAT_YCbCr_422_SP;
 941                 break;
 942         case YUV420:
 943                 rga_fmt = RK_FORMAT_YCbCr_420_SP;
 944                 break;
 945         default:
 946                 rga_fmt = RK_FORMAT_RGBA_8888;
 947                 break;
 948         }
 949
 950         return rga_fmt;
 951 }
 952
 953 static void rga_win_check(struct rk_lcdc_win *dst_win,
 954                           struct rk_lcdc_win *src_win)
 955 {
 956         int align32 = 4;
 957
 958         align32 -= 1;
 959         /*width and height must be aligned by 32 bit */
 960         if ((src_win->area[0].xact & align32) != 0)
 961                 src_win->area[0].xact =
 962                     (src_win->area[0].xact + align32) & (~align32);
 963         if ((src_win->area[0].yact & align32) != 0)
 964                 src_win->area[0].yact =
 965                     (src_win->area[0].yact + align32) & (~align32);
 966         if (src_win->area[0].xvir < src_win->area[0].xact)
 967                 src_win->area[0].xvir = src_win->area[0].xact;
 968         if (src_win->area[0].yvir < src_win->area[0].yact)
 969                 src_win->area[0].yvir = src_win->area[0].yact;
 970
 971         if ((dst_win->area[0].xact & align32) != 0)
 972                 dst_win->area[0].xact =
 973                     (dst_win->area[0].xact + align32) & (~align32);
 974         if ((dst_win->area[0].yact & align32) != 0)
 975                 dst_win->area[0].yact =
 976                     (dst_win->area[0].yact + align32) & (~align32);
 977         if (dst_win->area[0].xvir < dst_win->area[0].xact)
 978                 dst_win->area[0].xvir = dst_win->area[0].xact;
 979         if (dst_win->area[0].yvir < dst_win->area[0].yact)
 980                 dst_win->area[0].yvir = dst_win->area[0].yact;
 981 }
 982
 983 static void win_copy_by_rga(struct rk_lcdc_win *dst_win,
 984                             struct rk_lcdc_win *src_win, u16 orientation)
 985 {
 986         struct rga_req Rga_Request;
 987         long ret = 0;
 988         /* int fd = 0; */
 989
 990         memset(&Rga_Request, 0, sizeof(Rga_Request));
 991         rga_win_check(dst_win, src_win);
 992
 993         switch (orientation) {
 994         case ROTATE_90:
 995                 Rga_Request.rotate_mode = 1;
 996                 Rga_Request.sina = 65536;
 997                 Rga_Request.cosa = 0;
 998                 Rga_Request.dst.act_w = dst_win->area[0].yact;
 999                 Rga_Request.dst.act_h = dst_win->area[0].xact;
1000                 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1001                 Rga_Request.dst.y_offset = 0;
1002                 break;
1003         case ROTATE_180:
1004                 Rga_Request.rotate_mode = 1;
1005                 Rga_Request.sina = 0;
1006                 Rga_Request.cosa = -65536;
1007                 Rga_Request.dst.act_w = dst_win->area[0].xact;
1008                 Rga_Request.dst.act_h = dst_win->area[0].yact;
1009                 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1010                 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1011                 break;
1012         case ROTATE_270:
1013                 Rga_Request.rotate_mode = 1;
1014                 Rga_Request.sina = -65536;
1015                 Rga_Request.cosa = 0;
1016                 Rga_Request.dst.act_w = dst_win->area[0].yact;
1017                 Rga_Request.dst.act_h = dst_win->area[0].xact;
1018                 Rga_Request.dst.x_offset = 0;
1019                 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1020                 break;
1021         default:
1022                 Rga_Request.rotate_mode = 0;
1023                 Rga_Request.dst.act_w = dst_win->area[0].xact;
1024                 Rga_Request.dst.act_h = dst_win->area[0].yact;
1025                 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1026                 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1027                 break;
1028         }
1029
1030 #if defined(CONFIG_ROCKCHIP_RGA)
1031         Rga_Request.src.yrgb_addr =
1032             src_win->area[0].smem_start + src_win->area[0].y_offset;
1033         Rga_Request.src.uv_addr = 0;
1034         Rga_Request.src.v_addr = 0;
1035
1036         Rga_Request.dst.yrgb_addr =
1037             dst_win->area[0].smem_start + dst_win->area[0].y_offset;
1038         Rga_Request.dst.uv_addr = 0;
1039         Rga_Request.dst.v_addr = 0;
1040 #elif defined(CONFIG_ROCKCHIP_RGA2)
1041 /*
1042         fd = ion_share_dma_buf_fd(rk_fb->ion_client, src_win->area[0].ion_hdl);
1043         Rga_Request.src.yrgb_addr = fd;
1044         fd = ion_share_dma_buf_fd(rk_fb->ion_client, dst_win->area[0].ion_hdl);
1045         Rga_Request.dst.yrgb_addr = fd;
1046 */
1047         Rga_Request.src.yrgb_addr = 0;
1048         Rga_Request.src.uv_addr =
1049             src_win->area[0].smem_start + src_win->area[0].y_offset;
1050         Rga_Request.src.v_addr = 0;
1051
1052         Rga_Request.dst.yrgb_addr = 0;
1053         Rga_Request.dst.uv_addr =
1054             dst_win->area[0].smem_start + dst_win->area[0].y_offset;
1055         Rga_Request.dst.v_addr = 0;
1056 #endif
1057
1058         Rga_Request.src.vir_w = src_win->area[0].xvir;
1059         Rga_Request.src.vir_h = src_win->area[0].yvir;
1060         Rga_Request.src.format = get_rga_format(src_win->format);
1061         Rga_Request.src.act_w = src_win->area[0].xact;
1062         Rga_Request.src.act_h = src_win->area[0].yact;
1063         Rga_Request.src.x_offset = 0;
1064         Rga_Request.src.y_offset = 0;
1065
1066         Rga_Request.dst.vir_w = dst_win->area[0].xvir;
1067         Rga_Request.dst.vir_h = dst_win->area[0].yvir;
1068         Rga_Request.dst.format = get_rga_format(dst_win->format);
1069
1070         Rga_Request.clip.xmin = 0;
1071         Rga_Request.clip.xmax = dst_win->area[0].xact - 1;
1072         Rga_Request.clip.ymin = 0;
1073         Rga_Request.clip.ymax = dst_win->area[0].yact - 1;
1074         Rga_Request.scale_mode = 0;
1075 #if defined(CONFIG_ROCKCHIP_IOMMU)
1076         Rga_Request.mmu_info.mmu_en = 1;        /* TODO Modify for use mmu */
1077         Rga_Request.mmu_info.mmu_flag = 1;
1078 #else
1079         Rga_Request.mmu_info.mmu_en = 0;
1080         Rga_Request.mmu_info.mmu_flag = 0;
1081 #endif
1082
1083         ret = rga_ioctl_kernel(&Rga_Request);
1084 }
1085
1086 /*
1087  * This function is used for copying fb by RGA Module
1088  * RGA only support copy RGB to RGB
1089  * RGA2 support copy RGB to RGB and YUV to YUV
1090  */
1091 static void fb_copy_by_rga(struct fb_info *dst_info, struct fb_info *src_info,
1092                            int yrgb_offset)
1093 {
1094         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)src_info->par;
1095         struct rk_lcdc_driver *ext_dev_drv =
1096             (struct rk_lcdc_driver *)dst_info->par;
1097         int win_id = 0, ext_win_id;
1098         struct rk_lcdc_win *src_win, *dst_win;
1099
1100         win_id = dev_drv->ops->fb_get_win_id(dev_drv, src_info->fix.id);
1101         src_win = dev_drv->win[win_id];
1102
1103         ext_win_id =
1104             ext_dev_drv->ops->fb_get_win_id(ext_dev_drv, dst_info->fix.id);
1105         dst_win = ext_dev_drv->win[ext_win_id];
1106
1107         win_copy_by_rga(dst_win, src_win, ext_dev_drv->rotate_mode);
1108 }
1109
1110 #endif
1111
1112 static int rk_fb_rotate(struct fb_info *dst_info,
1113                         struct fb_info *src_info, int offset)
1114 {
1115 #if defined(CONFIG_RK29_IPP)
1116         fb_copy_by_ipp(dst_info, src_info, offset);
1117 #elif defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1118         fb_copy_by_rga(dst_info, src_info, offset);
1119 #else
1120         return -1;
1121 #endif
1122         return 0;
1123 }
1124
1125 static int rk_fb_win_rotate(struct rk_lcdc_win *dst_win,
1126                             struct rk_lcdc_win *src_win, u16 rotate)
1127 {
1128 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1129         win_copy_by_rga(dst_win, src_win, rotate);
1130 #else
1131         return -1;
1132 #endif
1133         return 0;
1134 }
1135
1136
1137 static int rk_fb_pan_display(struct fb_var_screeninfo *var,
1138                              struct fb_info *info)
1139 {
1140         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
1141         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
1142         struct fb_fix_screeninfo *fix = &info->fix;
1143         struct fb_info *extend_info = NULL;
1144         struct rk_lcdc_driver *extend_dev_drv = NULL;
1145         int win_id = 0, extend_win_id = 0;
1146         struct rk_lcdc_win *extend_win = NULL;
1147         struct rk_lcdc_win *win = NULL;
1148         struct rk_screen *screen = dev_drv->cur_screen;
1149         int fb_id = 0;
1150
1151         u32 xoffset = var->xoffset;
1152         u32 yoffset = var->yoffset;
1153         u32 xvir = var->xres_virtual;
1154         /* u32 yvir = var->yres_virtual; */
1155         /* u8 data_format = var->nonstd&0xff; */
1156
1157         u8 pixel_width;
1158         u32 vir_width_bit;
1159         u32 stride, uv_stride;
1160         u32 stride_32bit_1;
1161         u32 stride_32bit_2;
1162         u16 uv_x_off, uv_y_off, uv_y_act;
1163         u8 is_pic_yuv = 0;
1164
1165         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1166         if (win_id < 0)
1167                 return -ENODEV;
1168         else
1169                 win = dev_drv->win[win_id];
1170
1171         if (rk_fb->disp_mode == DUAL) {
1172                 fb_id = get_extend_fb_id(info);
1173                 extend_info = rk_fb->fb[(rk_fb->num_fb >> 1) + fb_id];
1174                 extend_dev_drv = (struct rk_lcdc_driver *)extend_info->par;
1175                 extend_win_id = dev_drv->ops->fb_get_win_id(extend_dev_drv,
1176                                                            extend_info->fix.id);
1177                 extend_win = extend_dev_drv->win[extend_win_id];
1178         }
1179
1180         pixel_width = rk_fb_pixel_width(win->format);
1181         vir_width_bit = pixel_width * xvir;
1182         /* pixel_width = byte_num * 8 */
1183         stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
1184         stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
1185
1186         switch (win->format) {
1187         case YUV422:
1188         case YUV422_A:
1189                 is_pic_yuv = 1;
1190                 stride = stride_32bit_1;
1191                 uv_stride = stride_32bit_1 >> 1;
1192                 uv_x_off = xoffset >> 1;
1193                 uv_y_off = yoffset;
1194                 fix->line_length = stride;
1195                 uv_y_act = win->area[0].yact >> 1;
1196                 break;
1197         case YUV420:            /* 420sp */
1198         case YUV420_A:
1199                 is_pic_yuv = 1;
1200                 stride = stride_32bit_1;
1201                 uv_stride = stride_32bit_1;
1202                 uv_x_off = xoffset;
1203                 uv_y_off = yoffset >> 1;
1204                 fix->line_length = stride;
1205                 uv_y_act = win->area[0].yact >> 1;
1206                 break;
1207         case YUV444:
1208         case YUV444_A:
1209                 is_pic_yuv = 1;
1210                 stride = stride_32bit_1;
1211                 uv_stride = stride_32bit_2;
1212                 uv_x_off = xoffset * 2;
1213                 uv_y_off = yoffset;
1214                 fix->line_length = stride << 2;
1215                 uv_y_act = win->area[0].yact;
1216                 break;
1217         default:
1218                 stride = stride_32bit_1;        /* default rgb */
1219                 fix->line_length = stride;
1220                 break;
1221         }
1222
1223         /* x y mirror ,jump line */
1224         if (screen->y_mirror == 1) {
1225                 if (screen->interlace == 1) {
1226                         win->area[0].y_offset = yoffset * stride * 2 +
1227                             ((win->area[0].yact - 1) * 2 + 1) * stride +
1228                             xoffset * pixel_width / 8;
1229                 } else {
1230                         win->area[0].y_offset = yoffset * stride +
1231                             (win->area[0].yact - 1) * stride +
1232                             xoffset * pixel_width / 8;
1233                 }
1234         } else {
1235                 if (screen->interlace == 1) {
1236                         win->area[0].y_offset =
1237                             yoffset * stride * 2 + xoffset * pixel_width / 8;
1238                 } else {
1239                         win->area[0].y_offset =
1240                             yoffset * stride + xoffset * pixel_width / 8;
1241                 }
1242         }
1243         if (is_pic_yuv == 1) {
1244                 if (screen->y_mirror == 1) {
1245                         if (screen->interlace == 1) {
1246                                 win->area[0].c_offset =
1247                                     uv_y_off * uv_stride * 2 +
1248                                     ((uv_y_act - 1) * 2 + 1) * uv_stride +
1249                                     uv_x_off * pixel_width / 8;
1250                         } else {
1251                                 win->area[0].c_offset = uv_y_off * uv_stride +
1252                                     (uv_y_act - 1) * uv_stride +
1253                                     uv_x_off * pixel_width / 8;
1254                         }
1255                 } else {
1256                         if (screen->interlace == 1) {
1257                                 win->area[0].c_offset =
1258                                     uv_y_off * uv_stride * 2 +
1259                                     uv_x_off * pixel_width / 8;
1260                         } else {
1261                                 win->area[0].c_offset =
1262                                     uv_y_off * uv_stride +
1263                                     uv_x_off * pixel_width / 8;
1264                         }
1265                 }
1266         }
1267
1268         win->area[0].smem_start = fix->smem_start;
1269         win->area[0].cbr_start = fix->mmio_start;
1270         win->area[0].state = 1;
1271         win->area_num = 1;
1272         win->state = 1;
1273
1274         dev_drv->ops->pan_display(dev_drv, win_id);
1275         if (rk_fb->disp_mode == DUAL) {
1276                 if (extend_win->state && (hdmi_switch_complete)) {
1277                         extend_win->area[0].y_offset = win->area[0].y_offset;
1278                         if (extend_dev_drv->rotate_mode > X_Y_MIRROR) {
1279                                 rk_fb_rotate(extend_info, info,
1280                                                 win->area[0].y_offset);
1281                         } else {
1282                                 extend_win->area[0].smem_start =
1283                                                 win->area[0].smem_start;
1284                                 extend_win->area[0].cbr_start =
1285                                                 win->area[0].cbr_start;
1286                         }
1287                         extend_dev_drv->ops->pan_display(extend_dev_drv,
1288                                                          extend_win_id);
1289                 }
1290         }
1291 #ifdef  CONFIG_FB_MIRRORING
1292         if (video_data_to_mirroring)
1293                 video_data_to_mirroring(info, NULL);
1294 #endif
1295         dev_drv->ops->cfg_done(dev_drv);
1296         return 0;
1297 }
1298
1299 static int rk_fb_get_list_stat(struct rk_lcdc_driver *dev_drv)
1300 {
1301         int i, j;
1302         i = list_empty(&dev_drv->update_regs_list);
1303         j = list_empty(&saved_list);
1304         return i == j ? 0 : 1;
1305
1306 }
1307
1308 void rk_fd_fence_wait(struct rk_lcdc_driver *dev_drv, struct sync_fence *fence)
1309 {
1310         int err = sync_fence_wait(fence, 1000);
1311
1312         if (err >= 0)
1313                 return;
1314
1315         if (err == -ETIME)
1316                 err = sync_fence_wait(fence, 10 * MSEC_PER_SEC);
1317
1318         if (err < 0)
1319                 printk("error waiting on fence\n");
1320 }
1321
1322 static int rk_fb_copy_from_loader(struct fb_info *info)
1323 {
1324         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
1325         void *dst = info->screen_base;
1326         u32 dsp_addr[4];
1327         u32 src;
1328         u32 i;
1329         struct rk_lcdc_win *win = dev_drv->win[0];
1330         u32 size = (win->area[0].xact) * (win->area[0].yact) << 2;
1331         dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1332         src = dsp_addr[0];
1333         dev_info(info->dev, "copy fb data %d x %d  from  dst_addr:%08x\n",
1334                  win->area[0].xact, win->area[0].yact, src);
1335         for (i = 0; i < size; i += PAGE_SIZE) {
1336                 void *page = phys_to_page(i + src);
1337                 void *from_virt = kmap(page);
1338                 void *to_virt = dst + i;
1339                 memcpy(to_virt, from_virt, PAGE_SIZE);
1340         }
1341         return 0;
1342 }
1343
1344 #ifdef CONFIG_ROCKCHIP_IOMMU
1345 static int g_last_addr[4];
1346 int g_last_timeout;
1347 u32 freed_addr[10];
1348 u32 freed_index;
1349
1350 #define DUMP_CHUNK 256
1351 char buf[PAGE_SIZE];
1352
1353 int rk_fb_sysmmu_fault_handler(struct device *dev,
1354                                enum rk_sysmmu_inttype itype,
1355                                unsigned long pgtable_base,
1356                                unsigned long fault_addr, unsigned int status)
1357 {
1358         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
1359         int i = 0;
1360         static int page_fault_cnt;
1361         if ((page_fault_cnt++) >= 10)
1362                 return 0;
1363         pr_err
1364             ("PAGE FAULT occurred at 0x%lx (Page table base: 0x%lx),status=%d\n",
1365              fault_addr, pgtable_base, status);
1366         printk("last config addr:\n" "win0:0x%08x\n" "win1:0x%08x\n"
1367                "win2:0x%08x\n" "win3:0x%08x\n", g_last_addr[0], g_last_addr[1],
1368                g_last_addr[2], g_last_addr[3]);
1369         printk("last freed buffer:\n");
1370         for (i = 0; (freed_addr[i] != 0xfefefefe) && freed_addr[i]; i++)
1371                 printk("%d:0x%08x\n", i, freed_addr[i]);
1372         printk("last timeout:%d\n", g_last_timeout);
1373         dev_drv->ops->get_disp_info(dev_drv, buf, 0);
1374         for (i = 0; i < PAGE_SIZE; i += DUMP_CHUNK) {
1375                 if ((PAGE_SIZE - i) > DUMP_CHUNK) {
1376                         char c = buf[i + DUMP_CHUNK];
1377                         buf[i + DUMP_CHUNK] = 0;
1378                         pr_cont("%s", buf + i);
1379                         buf[i + DUMP_CHUNK] = c;
1380                 } else {
1381                         buf[PAGE_SIZE - 1] = 0;
1382                         pr_cont("%s", buf + i);
1383                 }
1384         }
1385
1386         return 0;
1387 }
1388 #endif
1389
1390 void rk_fb_free_dma_buf(struct rk_lcdc_driver *dev_drv,
1391                         struct rk_fb_reg_win_data *reg_win_data)
1392 {
1393         int i, index_buf;
1394         struct rk_fb_reg_area_data *area_data;
1395         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1396
1397         for (i = 0; i < reg_win_data->area_num; i++) {
1398                 area_data = &reg_win_data->reg_area_data[i];
1399                 index_buf = area_data->index_buf;
1400 #if defined(CONFIG_ROCKCHIP_IOMMU)
1401                 if (dev_drv->iommu_enabled) {
1402                         ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client,
1403                                         area_data->ion_handle);
1404                         freed_addr[freed_index++] = area_data->smem_start;
1405                 }
1406 #endif
1407                 if (area_data->ion_handle != NULL) {
1408                         ion_unmap_kernel(rk_fb->ion_client,
1409                                          area_data->ion_handle);
1410                         ion_free(rk_fb->ion_client, area_data->ion_handle);
1411                 }
1412                 if (area_data->acq_fence)
1413                         sync_fence_put(area_data->acq_fence);
1414         }
1415         memset(reg_win_data, 0, sizeof(struct rk_fb_reg_win_data));
1416 }
1417
1418 static void rk_fb_update_driver(struct rk_lcdc_win *win,
1419                                 struct rk_fb_reg_win_data *reg_win_data)
1420 {
1421         int i = 0;
1422
1423         win->area_num = reg_win_data->area_num;
1424         win->format = reg_win_data->data_format;
1425         win->id = reg_win_data->win_id;
1426         win->z_order = reg_win_data->z_order;
1427
1428         if (reg_win_data->reg_area_data[0].smem_start > 0) {
1429                 win->state = 1;
1430                 win->area_num = reg_win_data->area_num;
1431                 win->format = reg_win_data->data_format;
1432                 win->id = reg_win_data->win_id;
1433                 win->z_order = reg_win_data->z_order;
1434                 win->area[0].uv_vir_stride =
1435                     reg_win_data->reg_area_data[0].uv_vir_stride;
1436                 win->area[0].cbr_start =
1437                     reg_win_data->reg_area_data[0].cbr_start;
1438                 win->area[0].c_offset = reg_win_data->reg_area_data[0].c_offset;
1439                 win->alpha_en = reg_win_data->alpha_en;
1440                 win->alpha_mode = reg_win_data->alpha_mode;
1441                 win->g_alpha_val = reg_win_data->g_alpha_val;
1442                 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
1443                         if (reg_win_data->reg_area_data[i].smem_start > 0) {
1444                                 win->area[i].smem_start =
1445                                     reg_win_data->reg_area_data[i].smem_start;
1446                                 win->area[i].xpos =
1447                                     reg_win_data->reg_area_data[i].xpos;
1448                                 win->area[i].ypos =
1449                                     reg_win_data->reg_area_data[i].ypos;
1450                                 win->area[i].xsize =
1451                                     reg_win_data->reg_area_data[i].xsize;
1452                                 win->area[i].ysize =
1453                                     reg_win_data->reg_area_data[i].ysize;
1454                                 win->area[i].xact =
1455                                     reg_win_data->reg_area_data[i].xact;
1456                                 win->area[i].yact =
1457                                     reg_win_data->reg_area_data[i].yact;
1458                                 win->area[i].xvir =
1459                                     reg_win_data->reg_area_data[i].xvir;
1460                                 win->area[i].yvir =
1461                                     reg_win_data->reg_area_data[i].yvir;
1462                                 win->area[i].y_offset =
1463                                     reg_win_data->reg_area_data[i].y_offset;
1464                                 win->area[i].y_vir_stride =
1465                                     reg_win_data->reg_area_data[i].y_vir_stride;
1466                                 win->area[i].state = 1;
1467                         } else {
1468                                 win->area[i].state = 0;
1469                         }
1470                 }
1471         } else {
1472         /*
1473                 win->state = 0;
1474                 win->z_order = -1;
1475         */
1476         }
1477
1478 }
1479
1480 static int rk_fb_update_hdmi_win(struct rk_lcdc_win *ext_win,
1481                                  struct rk_lcdc_win *win)
1482 {
1483         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1484         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
1485         struct rk_lcdc_driver *ext_dev_drv = rk_get_extend_lcdc_drv();
1486         struct rk_screen *screen;
1487         struct rk_screen *ext_screen;
1488         int hdmi_xsize;
1489         int hdmi_ysize;
1490         int pixel_width, vir_width_bit, y_stride;
1491         struct rk_lcdc_win *last_win;
1492         bool is_yuv = false;
1493         static u8 fb_index = 0;
1494
1495         if ((rk_fb->disp_mode != DUAL) ||
1496                 (hdmi_get_hotplug() != HDMI_HPD_ACTIVED) ||
1497                 (!hdmi_switch_complete)) {
1498                 printk(KERN_INFO "%s: hdmi is disconnect!\n", __func__);
1499                 return -1;
1500         }
1501
1502         if (unlikely(!dev_drv) || unlikely(!ext_dev_drv))
1503                 return -1;
1504
1505         screen = dev_drv->cur_screen;
1506         ext_screen = ext_dev_drv->cur_screen;
1507         hdmi_xsize = ext_screen->xsize;
1508         hdmi_ysize = ext_screen->ysize;
1509
1510         ext_win->state = win->state;
1511         ext_win->id = win->id;
1512         if (win->area[0].smem_start == 0)
1513                 ext_win->state = 0;
1514         if (ext_win->state == 0)
1515                 return 0;
1516
1517         ext_win->area_num = win->area_num;
1518         ext_win->format = win->format;
1519         ext_win->z_order = win->z_order;
1520         ext_win->alpha_en = win->alpha_en;
1521         ext_win->alpha_mode = win->alpha_mode;
1522         ext_win->g_alpha_val = win->g_alpha_val;
1523
1524         /* win0 and win1 have only one area and support scale
1525          * but win2 and win3 don't support scale
1526          * so hdmi only use win0 or win1
1527          */
1528         ext_win->area[0].state = win->area[0].state;
1529
1530         switch (ext_win->format) {
1531         case YUV422:
1532         case YUV420:
1533         case YUV444:
1534         case YUV422_A:
1535         case YUV420_A:
1536         case YUV444_A:
1537                 is_yuv = true;
1538                 break;
1539         default:
1540                 is_yuv = false;
1541                 break;
1542         }
1543
1544         if (ext_dev_drv->rotate_mode == ROTATE_90 ||
1545                         ext_dev_drv->rotate_mode == ROTATE_270) {
1546                 if (ext_win->id == 0) {
1547                         ext_win->area[0].smem_start =
1548                                 rk_fb->fb[rk_fb->num_fb >> 1]->fix.smem_start;
1549                         ext_win->area[0].y_offset = (get_rotate_fb_size() >> 1) * fb_index;
1550                         if ((++fb_index) > 1)
1551                                 fb_index = 0;
1552                 } else {
1553                         ext_win->area[0].y_offset = 0;
1554                         last_win = ext_dev_drv->win[ext_win->id - 1];
1555                         if (last_win->area[0].cbr_start)
1556                                 ext_win->area[0].smem_start =
1557                                         last_win->area[0].cbr_start +
1558                                         last_win->area[0].c_offset +
1559                                         last_win->area[0].xvir * last_win->area[0].yvir;
1560                         else
1561                                 ext_win->area[0].smem_start =
1562                                         last_win->area[0].smem_start +
1563                                         last_win->area[0].y_offset +
1564                                         last_win->area[0].xvir * last_win->area[0].yvir;
1565                 }
1566
1567                 ext_win->area[0].xact = win->area[0].yact;
1568                 ext_win->area[0].yact = win->area[0].xact;
1569                 ext_win->area[0].xvir = win->area[0].yact;
1570                 ext_win->area[0].yvir = win->area[0].xact;
1571                 pixel_width = rk_fb_pixel_width(ext_win->format);
1572                 vir_width_bit = pixel_width * ext_win->area[0].xvir;
1573                 y_stride = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
1574                 ext_win->area[0].y_vir_stride = y_stride >> 2;
1575         } else {
1576                 ext_win->area[0].smem_start = win->area[0].smem_start;
1577                 ext_win->area[0].y_offset = win->area[0].y_offset;
1578                 ext_win->area[0].xact = win->area[0].xact;
1579                 ext_win->area[0].yact = win->area[0].yact;
1580                 ext_win->area[0].xvir = win->area[0].xvir;
1581                 ext_win->area[0].yvir = win->area[0].yvir;
1582                 ext_win->area[0].y_vir_stride = win->area[0].y_vir_stride;
1583         }
1584
1585         if (win->area[0].xpos != 0 || win->area[0].ypos != 0) {
1586                 if (ext_dev_drv->rotate_mode == ROTATE_270) {
1587                         int xbom_pos = 0, ybom_pos = 0;
1588                         int xtop_pos = 0, ytop_pos = 0;
1589
1590                         ext_win->area[0].xsize = hdmi_xsize *
1591                                                 win->area[0].ysize /
1592                                                 screen->mode.yres;
1593                         ext_win->area[0].ysize = hdmi_ysize *
1594                                                 win->area[0].xsize /
1595                                                 screen->mode.xres;
1596                         xbom_pos = hdmi_xsize * win->area[0].ypos / screen->mode.yres;
1597                         ybom_pos = hdmi_ysize * win->area[0].xpos / screen->mode.xres;
1598                         xtop_pos = hdmi_xsize - ext_win->area[0].xsize - xbom_pos;
1599                         ytop_pos = hdmi_ysize - ext_win->area[0].ysize - ybom_pos;
1600                         ext_win->area[0].xpos =
1601                                 ((ext_screen->mode.xres - hdmi_xsize) >> 1) + xtop_pos;
1602                         ext_win->area[0].ypos =
1603                                 ((ext_screen->mode.yres - hdmi_ysize) >> 1) + ytop_pos;
1604                 } else if (ext_dev_drv->rotate_mode == ROTATE_90) {
1605                         ext_win->area[0].xsize = hdmi_xsize *
1606                                                 win->area[0].ysize /
1607                                                 screen->mode.yres;
1608                         ext_win->area[0].ysize = hdmi_ysize *
1609                                                 win->area[0].xsize /
1610                                                 screen->mode.xres;
1611                         ext_win->area[0].xpos =
1612                                 ((ext_screen->mode.xres - hdmi_xsize) >> 1) +
1613                                 hdmi_xsize * win->area[0].ypos / screen->mode.yres;
1614                         ext_win->area[0].ypos =
1615                                 ((ext_screen->mode.yres - hdmi_ysize) >> 1) +
1616                                 hdmi_ysize * win->area[0].xpos / screen->mode.xres;
1617                 } else {
1618                         ext_win->area[0].xsize = hdmi_xsize *
1619                                                 win->area[0].xsize /
1620                                                 screen->mode.xres;
1621                         ext_win->area[0].ysize = hdmi_ysize *
1622                                                 win->area[0].ysize /
1623                                                 screen->mode.yres;
1624                         ext_win->area[0].xpos =
1625                                 ((ext_screen->mode.xres - hdmi_xsize) >> 1) +
1626                                 hdmi_xsize * win->area[0].xpos / screen->mode.xres;
1627                         ext_win->area[0].ypos =
1628                                 ((ext_screen->mode.yres - hdmi_ysize) >> 1) +
1629                                 hdmi_ysize * win->area[0].ypos / screen->mode.yres;
1630                 }
1631         } else {
1632                 ext_win->area[0].xsize = hdmi_xsize;
1633                 ext_win->area[0].ysize = hdmi_ysize;
1634                 ext_win->area[0].xpos =
1635                                 (ext_screen->mode.xres - hdmi_xsize) >> 1;
1636                 ext_win->area[0].ypos =
1637                                 (ext_screen->mode.yres - hdmi_ysize) >> 1;
1638         }
1639
1640         if (!is_yuv) {
1641                 ext_win->area[0].uv_vir_stride = 0;
1642                 ext_win->area[0].cbr_start = 0;
1643                 ext_win->area[0].c_offset = 0;
1644                 return 0;
1645         }
1646
1647         if (ext_dev_drv->rotate_mode == ROTATE_90 ||
1648                 ext_dev_drv->rotate_mode == ROTATE_270) {
1649                 ext_win->area[0].uv_vir_stride = ext_win->area[0].y_vir_stride;
1650                 ext_win->area[0].cbr_start = ext_win->area[0].smem_start +
1651                                 ext_win->area[0].y_offset +
1652                                 ext_win->area[0].xvir * ext_win->area[0].yvir;
1653                 ext_win->area[0].c_offset = win->area[0].c_offset;
1654         } else {
1655                 ext_win->area[0].uv_vir_stride = win->area[0].uv_vir_stride;
1656                 ext_win->area[0].cbr_start = win->area[0].cbr_start;
1657                 ext_win->area[0].c_offset = win->area[0].c_offset;
1658         }
1659
1660         return 0;
1661 }
1662
1663 static struct rk_fb_reg_win_data *rk_fb_get_win_data(struct rk_fb_reg_data
1664                                                      *regs, int win_id)
1665 {
1666         int i;
1667         struct rk_fb_reg_win_data *win_data = NULL;
1668         for (i = 0; i < regs->win_num; i++) {
1669                 if (regs->reg_win_data[i].win_id == win_id) {
1670                         win_data = &(regs->reg_win_data[i]);
1671                         break;
1672                 }
1673         }
1674
1675         return win_data;
1676 }
1677
1678 static void rk_fb_update_reg(struct rk_lcdc_driver *dev_drv,
1679                              struct rk_fb_reg_data *regs)
1680 {
1681         int i, j;
1682         struct rk_lcdc_win *win;
1683         ktime_t timestamp = dev_drv->vsync_info.timestamp;
1684         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1685         struct rk_lcdc_driver *ext_dev_drv;
1686         struct rk_lcdc_win *ext_win;
1687         struct rk_fb_reg_win_data *win_data;
1688         bool wait_for_vsync;
1689         int count = 100;
1690         unsigned int dsp_addr[4];
1691         long timeout;
1692
1693         /* acq_fence wait */
1694         for (i = 0; i < regs->win_num; i++) {
1695                 win_data = &regs->reg_win_data[i];
1696                 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1697                         if (win_data->reg_area_data[j].acq_fence) {
1698                                 /* printk("acq_fence wait!!!!!\n"); */
1699                                 rk_fd_fence_wait(dev_drv, win_data->reg_area_data[j].acq_fence);
1700                         }
1701                 }
1702         }
1703
1704         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1705                 win = dev_drv->win[i];
1706                 win_data = rk_fb_get_win_data(regs, i);
1707                 if (win_data) {
1708                         rk_fb_update_driver(win, win_data);
1709                         win->state = 1;
1710                         dev_drv->ops->set_par(dev_drv, i);
1711                         dev_drv->ops->pan_display(dev_drv, i);
1712 #if defined(CONFIG_ROCKCHIP_IOMMU)
1713                         if (dev_drv->iommu_enabled) {
1714                                 g_last_addr[i] = win_data->reg_area_data[0].smem_start +
1715                                         win_data->reg_area_data[0].y_offset;
1716                         }
1717 #endif
1718                 } else {
1719                         win->z_order = -1;
1720                         win->state = 0;
1721                 }
1722         }
1723         dev_drv->ops->ovl_mgr(dev_drv, 0, 1);
1724
1725         if ((rk_fb->disp_mode == DUAL)
1726             && (hdmi_get_hotplug() == HDMI_HPD_ACTIVED)
1727             && hdmi_switch_complete) {
1728                 ext_dev_drv = rk_get_extend_lcdc_drv();
1729                 if (!ext_dev_drv) {
1730                         printk(KERN_ERR "hdmi lcdc driver not found!\n");
1731                         goto ext_win_exit;
1732                 }
1733
1734                 /* win0 and win1 have only one area and support scale
1735                  * but win2 and win3 don't support scale
1736                  * so hdmi only use win0 or win1
1737                  */
1738                 for (i = 0; i < 2; i++) {
1739                         win = dev_drv->win[i];
1740                         ext_win = ext_dev_drv->win[i];
1741                         ext_win->state = win->state;
1742                         if (!ext_win->state)
1743                                 continue;
1744
1745                         rk_fb_update_hdmi_win(ext_win, win);
1746
1747                         if (ext_dev_drv->rotate_mode > X_Y_MIRROR)
1748                                 rk_fb_win_rotate(ext_win, win,
1749                                                  ext_dev_drv->rotate_mode);
1750
1751                         ext_dev_drv->ops->set_par(ext_dev_drv, i);
1752                         ext_dev_drv->ops->pan_display(ext_dev_drv, i);
1753                 }
1754
1755                 ext_dev_drv->ops->cfg_done(ext_dev_drv);
1756         }
1757 ext_win_exit:
1758         dev_drv->ops->cfg_done(dev_drv);
1759
1760         do {
1761                 timestamp = dev_drv->vsync_info.timestamp;
1762                 timeout = wait_event_interruptible_timeout(dev_drv->vsync_info.wait,
1763                                 ktime_compare(dev_drv->vsync_info.timestamp, timestamp) > 0,
1764                                 msecs_to_jiffies(25));
1765                 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1766                 wait_for_vsync = false;
1767                 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1768                         if (dev_drv->win[i]->state == 1) {
1769                                 u32 new_start =
1770                                     dev_drv->win[i]->area[0].smem_start +
1771                                     dev_drv->win[i]->area[0].y_offset;
1772                                 u32 reg_start = dsp_addr[i];
1773
1774                                 if (unlikely(new_start != reg_start)) {
1775                                         wait_for_vsync = true;
1776                                         dev_info(dev_drv->dev,
1777                                                "win%d:new_addr:0x%08x cur_addr:0x%08x--%d\n",
1778                                                i, new_start, reg_start, 101 - count);
1779                                         break;
1780                                 }
1781                         }
1782                 }
1783         } while (wait_for_vsync && count--);
1784 #ifdef H_USE_FENCE
1785         sw_sync_timeline_inc(dev_drv->timeline, 1);
1786 #endif
1787         if (!g_first_buf) {
1788 #if defined(CONFIG_ROCKCHIP_IOMMU)
1789                 if (dev_drv->iommu_enabled) {
1790                         freed_index = 0;
1791                         g_last_timeout = timeout;
1792                 }
1793 #endif
1794                 for (i = 0; i < g_last_win_num; i++)
1795                         rk_fb_free_dma_buf(dev_drv, &g_reg_win_data[i]);
1796
1797 #if defined(CONFIG_ROCKCHIP_IOMMU)
1798                 if (dev_drv->iommu_enabled)
1799                         freed_addr[freed_index] = 0xfefefefe;
1800 #endif
1801         }
1802         for (i = 0; i < regs->win_num; i++) {
1803                 memcpy(&g_reg_win_data[i], &(regs->reg_win_data[i]),
1804                        sizeof(struct rk_fb_reg_win_data));
1805         }
1806         g_last_win_num = regs->win_num;
1807         g_first_buf = 0;
1808
1809 }
1810
1811 static void rk_fb_update_regs_handler(struct kthread_work *work)
1812 {
1813         struct rk_lcdc_driver *dev_drv =
1814             container_of(work, struct rk_lcdc_driver, update_regs_work);
1815         struct rk_fb_reg_data *data, *next;
1816         /* struct list_head saved_list; */
1817
1818         mutex_lock(&dev_drv->update_regs_list_lock);
1819         saved_list = dev_drv->update_regs_list;
1820         list_replace_init(&dev_drv->update_regs_list, &saved_list);
1821         mutex_unlock(&dev_drv->update_regs_list_lock);
1822
1823         list_for_each_entry_safe(data, next, &saved_list, list) {
1824                 rk_fb_update_reg(dev_drv, data);
1825                 list_del(&data->list);
1826                 kfree(data);
1827         }
1828
1829         if (dev_drv->wait_fs && list_empty(&dev_drv->update_regs_list))
1830                 wake_up(&dev_drv->update_regs_wait);
1831 }
1832
1833 static int rk_fb_check_config_var(struct rk_fb_area_par *area_par,
1834                                   struct rk_screen *screen)
1835 {
1836         if ((area_par->x_offset + area_par->xact > area_par->xvir) ||
1837             (area_par->xact <= 0) || (area_par->yact <= 0) ||
1838             (area_par->xvir <= 0) || (area_par->yvir <= 0)) {
1839                 pr_err("check config var fail 0:\n"
1840                        "x_offset=%d,xact=%d,xvir=%d\n",
1841                        area_par->x_offset, area_par->xact, area_par->xvir);
1842                 return -EINVAL;
1843         }
1844
1845         if ((area_par->xpos + area_par->xsize > screen->mode.xres) ||
1846             (area_par->ypos + area_par->ysize > screen->mode.yres) ||
1847             (area_par->xsize <= 0) || (area_par->ysize <= 0)) {
1848                 pr_err("check config var fail 1:\n"
1849                        "xpos=%d,xsize=%d,xres=%d\n"
1850                        "ypos=%d,ysize=%d,yres=%d\n",
1851                        area_par->xpos, area_par->xsize, screen->mode.xres,
1852                        area_par->ypos, area_par->ysize, screen->mode.yres);
1853                 return -EINVAL;
1854         }
1855         return 0;
1856 }
1857
1858 static int rk_fb_set_win_buffer(struct fb_info *info,
1859                                 struct rk_fb_win_par *win_par,
1860                                 struct rk_fb_reg_win_data *reg_win_data)
1861 {
1862         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
1863         struct fb_fix_screeninfo *fix = &info->fix;
1864         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
1865         struct rk_screen *screen = dev_drv->cur_screen;
1866         struct fb_info *fbi = rk_fb->fb[0];
1867         int i, ion_fd, acq_fence_fd;
1868         u32 xvir, yvir;
1869         u32 xoffset, yoffset;
1870
1871         struct ion_handle *hdl;
1872         size_t len;
1873         int index_buf;
1874         u8 fb_data_fmt;
1875         u8 pixel_width;
1876         u32 vir_width_bit;
1877         u32 stride, uv_stride;
1878         u32 stride_32bit_1;
1879         u32 stride_32bit_2;
1880         u16 uv_x_off, uv_y_off, uv_y_act;
1881         u8 is_pic_yuv = 0;
1882         u8 ppixel_a = 0, global_a = 0;
1883         ion_phys_addr_t phy_addr;
1884
1885         reg_win_data->reg_area_data[0].smem_start = -1;
1886         reg_win_data->area_num = 0;
1887         fbi = rk_fb->fb[reg_win_data->win_id];
1888         if (win_par->area_par[0].phy_addr == 0) {
1889                 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
1890                         ion_fd = win_par->area_par[i].ion_fd;
1891                         if (ion_fd > 0) {
1892                                 hdl =
1893                                     ion_import_dma_buf(rk_fb->ion_client,
1894                                                        ion_fd);
1895                                 if (IS_ERR(hdl)) {
1896                                         pr_info
1897                                             ("%s: Could not import handle: %d\n",
1898                                              __func__, (int)hdl);
1899                                         /*return -EINVAL; */
1900                                         break;
1901                                 }
1902                                 fbi->screen_base =
1903                                     ion_map_kernel(rk_fb->ion_client, hdl);
1904                                 reg_win_data->area_num++;
1905                                 reg_win_data->reg_area_data[i].ion_handle = hdl;
1906 #ifndef CONFIG_ROCKCHIP_IOMMU
1907                                 ion_phys(rk_fb->ion_client, hdl, &phy_addr,
1908                                          &len);
1909 #else
1910                                 if (dev_drv->iommu_enabled)
1911                                         ion_map_iommu(dev_drv->dev,
1912                                                       rk_fb->ion_client,
1913                                                       hdl,
1914                                                       (unsigned long *)&phy_addr,
1915                                                       (unsigned long *)&len);
1916                                 else
1917                                         ion_phys(rk_fb->ion_client, hdl,
1918                                                  &phy_addr, &len);
1919 #endif
1920                                 reg_win_data->reg_area_data[i].smem_start = phy_addr;
1921                                 reg_win_data->area_buf_num++;
1922                                 reg_win_data->reg_area_data[i].index_buf = 1;
1923                         }
1924                 }
1925         } else {
1926                 reg_win_data->reg_area_data[0].smem_start =
1927                     win_par->area_par[0].phy_addr;
1928                 reg_win_data->area_num = 1;
1929                 fbi->screen_base = phys_to_virt(win_par->area_par[0].phy_addr);
1930         }
1931
1932         if (reg_win_data->area_num == 0)
1933                 return 0;
1934
1935         for (i = 0; i < reg_win_data->area_num; i++) {
1936                 acq_fence_fd = win_par->area_par[i].acq_fence_fd;
1937                 index_buf = reg_win_data->reg_area_data[i].index_buf;
1938                 if ((acq_fence_fd > 0) && (index_buf == 1)) {
1939                         reg_win_data->reg_area_data[i].acq_fence =
1940                             sync_fence_fdget(win_par->area_par[i].acq_fence_fd);
1941                 }
1942         }
1943         fb_data_fmt = rk_fb_data_fmt(win_par->data_format, 0);
1944         reg_win_data->data_format = fb_data_fmt;
1945         pixel_width = rk_fb_pixel_width(fb_data_fmt);
1946
1947         ppixel_a = ((fb_data_fmt == ARGB888)
1948                     || (fb_data_fmt == ABGR888)) ? 1 : 0;
1949         global_a = (win_par->g_alpha_val == 0) ? 0 : 1;
1950         reg_win_data->alpha_en = ppixel_a | global_a;
1951         reg_win_data->g_alpha_val = win_par->g_alpha_val;
1952         reg_win_data->alpha_mode = win_par->alpha_mode;
1953         if (reg_win_data->reg_area_data[0].smem_start > 0) {
1954                 reg_win_data->z_order = win_par->z_order;
1955                 reg_win_data->win_id = win_par->win_id;
1956         } else {
1957                 reg_win_data->z_order = -1;
1958                 reg_win_data->win_id = -1;
1959         }
1960         for (i = 0; i < reg_win_data->area_num; i++) {
1961                 rk_fb_check_config_var(&win_par->area_par[i], screen);
1962                 /* visiable pos in panel */
1963                 reg_win_data->reg_area_data[i].xpos = win_par->area_par[i].xpos;
1964                 reg_win_data->reg_area_data[i].ypos = win_par->area_par[i].ypos;
1965
1966                 /* realy size in panel */
1967                 reg_win_data->reg_area_data[i].xsize = win_par->area_par[i].xsize;
1968                 reg_win_data->reg_area_data[i].ysize = win_par->area_par[i].ysize;
1969
1970                 /* realy size in panel */
1971                 reg_win_data->reg_area_data[i].xact = win_par->area_par[i].xact;
1972                 reg_win_data->reg_area_data[i].yact = win_par->area_par[i].yact;
1973
1974                 xoffset = win_par->area_par[i].x_offset;        /* buf offset */
1975                 yoffset = win_par->area_par[i].y_offset;
1976                 xvir = win_par->area_par[i].xvir;
1977                 reg_win_data->reg_area_data[i].xvir = xvir;
1978                 yvir = win_par->area_par[i].yvir;
1979                 reg_win_data->reg_area_data[i].yvir = yvir;
1980
1981                 vir_width_bit = pixel_width * xvir;
1982                 /* pixel_width = byte_num*8 */
1983                 stride_32bit_1 = ((vir_width_bit + 31) & (~31)) / 8;
1984                 stride_32bit_2 = ((vir_width_bit * 2 + 31) & (~31)) / 8;
1985
1986                 stride = stride_32bit_1;        /* default rgb */
1987                 fix->line_length = stride;
1988                 reg_win_data->reg_area_data[i].y_vir_stride = stride >> 2;
1989
1990                 /* x y mirror ,jump line
1991                  * reg_win_data->reg_area_data[i].y_offset =
1992                  *              yoffset*stride+xoffset*pixel_width/8;
1993                  */
1994                 if (screen->y_mirror == 1) {
1995                         if (screen->interlace == 1) {
1996                                 reg_win_data->reg_area_data[i].y_offset =
1997                                     yoffset * stride * 2 +
1998                                     ((reg_win_data->reg_area_data[i].yact - 1) * 2 + 1) * stride +
1999                                     xoffset * pixel_width / 8;
2000                         } else {
2001                                 reg_win_data->reg_area_data[i].y_offset =
2002                                     yoffset * stride +
2003                                     (reg_win_data->reg_area_data[i].yact - 1) * stride +
2004                                     xoffset * pixel_width / 8;
2005                         }
2006                 } else {
2007                         if (screen->interlace == 1) {
2008                                 reg_win_data->reg_area_data[i].y_offset =
2009                                     yoffset * stride * 2 +
2010                                     xoffset * pixel_width / 8;
2011                         } else {
2012                                 reg_win_data->reg_area_data[i].y_offset =
2013                                     yoffset * stride +
2014                                     xoffset * pixel_width / 8;
2015                         }
2016                 }
2017
2018         }
2019         switch (fb_data_fmt) {
2020         case YUV422:
2021         case YUV422_A:
2022                 is_pic_yuv = 1;
2023                 stride = stride_32bit_1;
2024                 uv_stride = stride_32bit_1 >> 1;
2025                 uv_x_off = xoffset >> 1;
2026                 uv_y_off = yoffset;
2027                 fix->line_length = stride;
2028                 uv_y_act = win_par->area_par[0].yact >> 1;
2029                 break;
2030         case YUV420:            /* 420sp */
2031         case YUV420_A:
2032                 is_pic_yuv = 1;
2033                 stride = stride_32bit_1;
2034                 uv_stride = stride_32bit_1;
2035                 uv_x_off = xoffset;
2036                 uv_y_off = yoffset >> 1;
2037                 fix->line_length = stride;
2038                 uv_y_act = win_par->area_par[0].yact >> 1;
2039                 break;
2040         case YUV444:
2041         case YUV444_A:
2042                 is_pic_yuv = 1;
2043                 stride = stride_32bit_1;
2044                 uv_stride = stride_32bit_2;
2045                 uv_x_off = xoffset * 2;
2046                 uv_y_off = yoffset;
2047                 fix->line_length = stride << 2;
2048                 uv_y_act = win_par->area_par[0].yact;
2049                 break;
2050         default:
2051                 break;
2052         }
2053         if (is_pic_yuv == 1) {
2054                 reg_win_data->reg_area_data[0].cbr_start =
2055                     reg_win_data->reg_area_data[0].smem_start + xvir * yvir;
2056                 reg_win_data->reg_area_data[0].uv_vir_stride = uv_stride >> 2;
2057                 if (screen->y_mirror == 1) {
2058                         if (screen->interlace == 1) {
2059                                 reg_win_data->reg_area_data[0].c_offset =
2060                                     uv_y_off * uv_stride * 2 +
2061                                     ((uv_y_act - 1) * 2 + 1) * uv_stride +
2062                                     uv_x_off * pixel_width / 8;
2063                         } else {
2064                                 reg_win_data->reg_area_data[0].c_offset =
2065                                     uv_y_off * uv_stride +
2066                                     (uv_y_act - 1) * uv_stride +
2067                                     uv_x_off * pixel_width / 8;
2068                         }
2069                 } else {
2070                         if (screen->interlace == 1) {
2071                                 reg_win_data->reg_area_data[0].c_offset =
2072                                     uv_y_off * uv_stride * 2 +
2073                                     uv_x_off * pixel_width / 8;
2074                         } else {
2075                                 reg_win_data->reg_area_data[0].c_offset =
2076                                     uv_y_off * uv_stride +
2077                                     uv_x_off * pixel_width / 8;
2078                         }
2079                 }
2080         }
2081         return 0;
2082 }
2083
2084 static int rk_fb_set_win_config(struct fb_info *info,
2085                                 struct rk_fb_win_cfg_data *win_data)
2086 {
2087         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
2088         struct rk_fb_reg_data *regs;
2089 #ifdef H_USE_FENCE
2090         struct sync_fence *release_fence[RK_MAX_BUF_NUM];
2091         struct sync_fence *retire_fence;
2092         struct sync_pt *release_sync_pt[RK_MAX_BUF_NUM];
2093         struct sync_pt *retire_sync_pt;
2094         char fence_name[20];
2095 #endif
2096         int ret = 0, i, j = 0;
2097         int list_is_empty = 0;
2098
2099         regs = kzalloc(sizeof(struct rk_fb_reg_data), GFP_KERNEL);
2100         if (!regs) {
2101                 printk(KERN_INFO "could not allocate rk_fb_reg_data\n");
2102                 ret = -ENOMEM;
2103                 return ret;
2104         }
2105
2106 /*
2107         regs->post_cfg.xpos = win_data->post_cfg.xpos;
2108         regs->post_cfg.ypos = win_data->post_cfg.ypos;
2109         regs->post_cfg.xsize = win_data->post_cfg.xsize;
2110         regs->post_cfg.ysize = win_data->post_cfg.xsize;
2111 */
2112
2113         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
2114                 if (win_data->win_par[i].win_id < dev_drv->lcdc_win_num) {
2115                         rk_fb_set_win_buffer(info, &win_data->win_par[i],
2116                                              &regs->reg_win_data[j]);
2117                         if (regs->reg_win_data[j].area_num > 0) {
2118                                 regs->win_num++;
2119                                 regs->buf_num +=
2120                                     regs->reg_win_data[j].area_buf_num;
2121                         }
2122                         j++;
2123                 } else {
2124                         printk(KERN_INFO "error:win_id bigger than lcdc_win_num\n");
2125                         printk(KERN_INFO "i=%d,win_id=%d\n", i,
2126                                win_data->win_par[i].win_id);
2127                 }
2128         }
2129
2130         mutex_lock(&dev_drv->output_lock);
2131         if (!(dev_drv->suspend_flag == 0)) {
2132                 rk_fb_update_reg(dev_drv, regs);
2133                 kfree(regs);
2134                 printk(KERN_INFO "suspend_flag = 1\n");
2135                 goto err;
2136         }
2137
2138         dev_drv->timeline_max++;
2139 #ifdef H_USE_FENCE
2140         for (i = 0; i < RK_MAX_BUF_NUM; i++) {
2141                 if (i < regs->buf_num) {
2142                         sprintf(fence_name, "fence%d", i);
2143                         win_data->rel_fence_fd[i] = get_unused_fd();
2144                         if (win_data->rel_fence_fd[i] < 0) {
2145                                 printk(KERN_INFO "rel_fence_fd=%d\n",
2146                                        win_data->rel_fence_fd[i]);
2147                                 ret = -EFAULT;
2148                                 goto err;
2149                         }
2150                         release_sync_pt[i] =
2151                             sw_sync_pt_create(dev_drv->timeline,
2152                                               dev_drv->timeline_max);
2153                         release_fence[i] =
2154                             sync_fence_create(fence_name, release_sync_pt[i]);
2155                         sync_fence_install(release_fence[i],
2156                                            win_data->rel_fence_fd[i]);
2157                 } else {
2158                         win_data->rel_fence_fd[i] = -1;
2159                 }
2160         }
2161
2162         win_data->ret_fence_fd = get_unused_fd();
2163         if (win_data->ret_fence_fd < 0) {
2164                 printk("ret_fence_fd=%d\n", win_data->ret_fence_fd);
2165                 ret = -EFAULT;
2166                 goto err;
2167         }
2168         retire_sync_pt =
2169             sw_sync_pt_create(dev_drv->timeline, dev_drv->timeline_max);
2170         retire_fence = sync_fence_create("ret_fence", retire_sync_pt);
2171         sync_fence_install(retire_fence, win_data->ret_fence_fd);
2172 #else
2173         for (i = 0; i < RK_MAX_BUF_NUM; i++)
2174                 win_data->rel_fence_fd[i] = -1;
2175
2176         win_data->ret_fence_fd = -1;
2177 #endif
2178         if (dev_drv->wait_fs == 0) {
2179                 mutex_lock(&dev_drv->update_regs_list_lock);
2180                 list_add_tail(&regs->list, &dev_drv->update_regs_list);
2181                 mutex_unlock(&dev_drv->update_regs_list_lock);
2182                 queue_kthread_work(&dev_drv->update_regs_worker,
2183                                    &dev_drv->update_regs_work);
2184         } else {
2185                 mutex_lock(&dev_drv->update_regs_list_lock);
2186                 list_is_empty = list_empty(&dev_drv->update_regs_list) &&
2187                                         list_empty(&saved_list);
2188                 mutex_unlock(&dev_drv->update_regs_list_lock);
2189                 if (!list_is_empty) {
2190                         ret = wait_event_timeout(dev_drv->update_regs_wait,
2191                                 list_empty(&dev_drv->update_regs_list) && list_empty(&saved_list),
2192                                 msecs_to_jiffies(60));
2193                         if (ret > 0)
2194                                 rk_fb_update_reg(dev_drv, regs);
2195                         else
2196                                 printk("%s: wait update_regs_wait timeout\n", __func__);
2197                 } else if (ret == 0) {
2198                         rk_fb_update_reg(dev_drv, regs);
2199                 }
2200                 kfree(regs);
2201         }
2202
2203 err:
2204         mutex_unlock(&dev_drv->output_lock);
2205         return ret;
2206 }
2207
2208 #if 1
2209 static int cfgdone_distlist[10] = { 0 };
2210
2211 static int cfgdone_index;
2212 static int cfgdone_lasttime;
2213
2214 int rk_get_real_fps(int before)
2215 {
2216         struct timespec now;
2217         int dist_curr;
2218         int dist_total = 0;
2219         int dist_count = 0;
2220         int dist_first = 0;
2221
2222         int index = cfgdone_index;
2223         int i = 0, fps = 0;
2224         int total;
2225
2226         if (before > 100)
2227                 before = 100;
2228         if (before < 0)
2229                 before = 0;
2230
2231         getnstimeofday(&now);
2232         dist_curr = (now.tv_sec * 1000000 + now.tv_nsec / 1000) -
2233                         cfgdone_lasttime;
2234         total = dist_curr;
2235         /*
2236            printk("fps: ");
2237          */
2238         for (i = 0; i < 10; i++) {
2239                 if (--index < 0)
2240                         index = 9;
2241                 total += cfgdone_distlist[index];
2242                 if (i == 0)
2243                         dist_first = cfgdone_distlist[index];
2244                 if (total < (before * 1000)) {
2245                         /*
2246                            printk("[%d:%d] ", dist_count, cfgdone_distlist[index]);
2247                          */
2248                         dist_total += cfgdone_distlist[index];
2249                         dist_count++;
2250                 } else {
2251                         break;
2252                 }
2253         }
2254
2255         /*
2256            printk("total %d, count %d, curr %d, ", dist_total, dist_count, dist_curr);
2257          */
2258         dist_curr = (dist_curr > dist_first) ? dist_curr : dist_first;
2259         dist_total += dist_curr;
2260         dist_count++;
2261
2262         if (dist_total > 0)
2263                 fps = (1000000 * dist_count) / dist_total;
2264         else
2265                 fps = 60;
2266
2267         /*
2268            printk("curr2 %d, fps=%d\n", dist_curr, fps);
2269          */
2270         return fps;
2271 }
2272 EXPORT_SYMBOL(rk_get_real_fps);
2273
2274 #endif
2275
2276 static int rk_fb_ioctl(struct fb_info *info, unsigned int cmd,
2277                        unsigned long arg)
2278 {
2279         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2280         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
2281         struct fb_fix_screeninfo *fix = &info->fix;
2282         int fb_id = 0, extend_win_id = 0;
2283         struct fb_info *extend_info = NULL;
2284         struct rk_lcdc_driver *extend_dev_drv = NULL;
2285         struct rk_lcdc_win *extend_win = NULL;
2286         struct rk_lcdc_win *win;
2287         int enable;     /* enable fb:1 enable;0 disable */
2288         int ovl;        /* overlay:0 win1 on the top of win0;1,win0 on the top of win1 */
2289         int num_buf;    /* buffer_number */
2290         int ret;
2291         struct rk_fb_win_cfg_data win_data;
2292         unsigned int dsp_addr[4];
2293         int list_stat;
2294
2295         int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2296
2297         void __user *argp = (void __user *)arg;
2298         win = dev_drv->win[win_id];
2299         if (rk_fb->disp_mode == DUAL) {
2300                 fb_id = get_extend_fb_id(info);
2301                 extend_info = rk_fb->fb[(rk_fb->num_fb >> 1) + fb_id];
2302                 extend_dev_drv = (struct rk_lcdc_driver *)extend_info->par;
2303                 extend_win_id = dev_drv->ops->fb_get_win_id(extend_dev_drv,
2304                                                             extend_info->fix.id);
2305                 extend_win = extend_dev_drv->win[extend_win_id];
2306         }
2307
2308         switch (cmd) {
2309         case RK_FBIOSET_YUV_ADDR:
2310                 {
2311                         u32 yuv_phy[2];
2312                         if (copy_from_user(yuv_phy, argp, 8))
2313                                 return -EFAULT;
2314                         fix->smem_start = yuv_phy[0];
2315                         fix->mmio_start = yuv_phy[1];
2316                         break;
2317                 }
2318         case RK_FBIOSET_ENABLE:
2319                 if (copy_from_user(&enable, argp, sizeof(enable)))
2320                         return -EFAULT;
2321                 dev_drv->ops->open(dev_drv, win_id, enable);
2322                 break;
2323         case RK_FBIOGET_ENABLE:
2324                 enable = dev_drv->ops->get_win_state(dev_drv, win_id);
2325                 if (copy_to_user(argp, &enable, sizeof(enable)))
2326                         return -EFAULT;
2327                 break;
2328         case RK_FBIOSET_OVERLAY_STA:
2329                 if (copy_from_user(&ovl, argp, sizeof(ovl)))
2330                         return -EFAULT;
2331                 dev_drv->ops->ovl_mgr(dev_drv, ovl, 1);
2332                 break;
2333         case RK_FBIOGET_OVERLAY_STA:
2334                 ovl = dev_drv->ops->ovl_mgr(dev_drv, 0, 0);
2335                 if (copy_to_user(argp, &ovl, sizeof(ovl)))
2336                         return -EFAULT;
2337                 break;
2338         case RK_FBIOPUT_NUM_BUFFERS:
2339                 if (copy_from_user(&num_buf, argp, sizeof(num_buf)))
2340                         return -EFAULT;
2341                 dev_drv->num_buf = num_buf;
2342                 break;
2343         case RK_FBIOSET_VSYNC_ENABLE:
2344                 if (copy_from_user(&enable, argp, sizeof(enable)))
2345                         return -EFAULT;
2346                 dev_drv->vsync_info.active = enable;
2347                 break;
2348
2349         case RK_FBIOGET_DSP_ADDR:
2350                 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
2351                 if (copy_to_user(argp, &dsp_addr, sizeof(dsp_addr)))
2352                         return -EFAULT;
2353                 break;
2354         case RK_FBIOGET_LIST_STA:
2355                 list_stat = rk_fb_get_list_stat(dev_drv);
2356                 if (copy_to_user(argp, &list_stat, sizeof(list_stat)))
2357                         return -EFAULT;
2358
2359                 break;
2360         case RK_FBIOGET_IOMMU_STA:
2361                 if (copy_to_user(argp, &dev_drv->iommu_enabled,
2362                                  sizeof(dev_drv->iommu_enabled)))
2363                         return -EFAULT;
2364                 break;
2365 #if defined(CONFIG_ION_ROCKCHIP)
2366         case RK_FBIOSET_DMABUF_FD:
2367                 {
2368                         int usr_fd;
2369                         struct ion_handle *hdl;
2370                         ion_phys_addr_t phy_addr;
2371                         size_t len;
2372                         if (copy_from_user(&usr_fd, argp, sizeof(usr_fd)))
2373                                 return -EFAULT;
2374                         hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2375                         ion_phys(rk_fb->ion_client, hdl, &phy_addr, &len);
2376                         fix->smem_start = phy_addr;
2377                         break;
2378                 }
2379         case RK_FBIOGET_DMABUF_FD:
2380                 {
2381                         int fd =
2382                             ion_share_dma_buf_fd(rk_fb->ion_client,
2383                                                  win->area[0].ion_hdl);
2384                         if (fd < 0) {
2385                                 dev_err(info->dev,
2386                                         "ion_share_dma_buf_fd failed\n");
2387                                 return fd;
2388                         }
2389                         if (copy_to_user(argp, &fd, sizeof(fd)))
2390                                 return -EFAULT;
2391                         break;
2392                 }
2393 #endif
2394         case RK_FBIOSET_CLEAR_FB:
2395                 memset(info->screen_base, 0, get_fb_size());
2396                 break;
2397         case RK_FBIOSET_CONFIG_DONE:
2398                 {
2399                         int curr = 0;
2400                         struct timespec now;
2401
2402                         getnstimeofday(&now);
2403                         curr = now.tv_sec * 1000000 + now.tv_nsec / 1000;
2404                         cfgdone_distlist[cfgdone_index++] =
2405                             curr - cfgdone_lasttime;
2406                         /*
2407                            printk("%d ", curr - cfgdone_lasttime);
2408                          */
2409                         cfgdone_lasttime = curr;
2410                         if (cfgdone_index >= 10)
2411                                 cfgdone_index = 0;
2412                 }
2413                 if (copy_from_user(&win_data,
2414                                    (struct rk_fb_win_cfg_data __user *)argp,
2415                                    sizeof(win_data))) {
2416                         ret = -EFAULT;
2417                         break;
2418                 };
2419
2420                 dev_drv->wait_fs = win_data.wait_fs;
2421                 rk_fb_set_win_config(info, &win_data);
2422
2423                 if (copy_to_user((struct rk_fb_win_cfg_data __user *)arg,
2424                                  &win_data, sizeof(win_data))) {
2425                         ret = -EFAULT;
2426                         break;
2427                 }
2428                 memset(&win_data, 0, sizeof(struct rk_fb_win_cfg_data));
2429                 break;
2430         default:
2431                 dev_drv->ops->ioctl(dev_drv, cmd, arg, win_id);
2432                 break;
2433         }
2434
2435         return 0;
2436 }
2437
2438 static int rk_fb_blank(int blank_mode, struct fb_info *info)
2439 {
2440         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
2441         struct fb_fix_screeninfo *fix = &info->fix;
2442         int win_id;
2443 #if defined(CONFIG_RK_HDMI)
2444         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2445 #endif
2446
2447         win_id = dev_drv->ops->fb_get_win_id(dev_drv, fix->id);
2448         if (win_id < 0)
2449                 return -ENODEV;
2450 #if defined(CONFIG_RK_HDMI)
2451         if ((rk_fb->disp_mode == ONE_DUAL)
2452             && (hdmi_get_hotplug() == HDMI_HPD_ACTIVED)) {
2453                 printk(KERN_INFO "hdmi is connect , not blank lcdc\n");
2454         } else
2455 #endif
2456         {
2457                 dev_drv->ops->blank(dev_drv, win_id, blank_mode);
2458         }
2459         return 0;
2460 }
2461
2462 static int rk_fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
2463 {
2464
2465         if ((0 == var->xres_virtual) || (0 == var->yres_virtual) ||
2466             (0 == var->xres) || (0 == var->yres) || (var->xres < 16) ||
2467             ((16 != var->bits_per_pixel) &&
2468             (32 != var->bits_per_pixel) &&
2469             (24 != var->bits_per_pixel))) {
2470                 dev_err(info->dev, "%s check var fail 1:\n"
2471                         "xres_vir:%d>>yres_vir:%d\n"
2472                         "xres:%d>>yres:%d\n"
2473                         "bits_per_pixel:%d\n",
2474                         info->fix.id,
2475                         var->xres_virtual,
2476                         var->yres_virtual,
2477                         var->xres, var->yres, var->bits_per_pixel);
2478                 return -EINVAL;
2479         }
2480
2481         if (((var->xoffset + var->xres) > var->xres_virtual) ||
2482             ((var->yoffset + var->yres) > (var->yres_virtual))) {
2483                 dev_err(info->dev, "%s check_var fail 2:\n"
2484                         "xoffset:%d>>xres:%d>>xres_vir:%d\n"
2485                         "yoffset:%d>>yres:%d>>yres_vir:%d\n",
2486                         info->fix.id,
2487                         var->xoffset,
2488                         var->xres,
2489                         var->xres_virtual,
2490                         var->yoffset, var->yres, var->yres_virtual);
2491                 return -EINVAL;
2492         }
2493
2494         return 0;
2495 }
2496
2497 static ssize_t rk_fb_read(struct fb_info *info, char __user *buf,
2498                           size_t count, loff_t *ppos)
2499 {
2500         unsigned long p = *ppos;
2501         u8 *buffer, *dst;
2502         u8 __iomem *src;
2503         int c, cnt = 0, err = 0;
2504         unsigned long total_size;
2505         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
2506         struct rk_lcdc_win *win = NULL;
2507         int win_id = 0;
2508
2509         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2510         if (win_id < 0)
2511                 return -ENODEV;
2512         else
2513                 win = dev_drv->win[win_id];
2514
2515         /* only read the current frame buffer */
2516         if (win->format == RGB565)
2517                 total_size = win->area[0].y_vir_stride * win->area[0].yact << 1;
2518         else if (win->format == YUV420) {
2519                 total_size =
2520                     (win->area[0].y_vir_stride * win->area[0].yact * 6);
2521         } else
2522                 total_size = win->area[0].y_vir_stride * win->area[0].yact << 2;
2523
2524         if (p >= total_size)
2525                 return 0;
2526
2527         if (count >= total_size)
2528                 count = total_size;
2529
2530         if (count + p > total_size)
2531                 count = total_size - p;
2532
2533         buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
2534         if (!buffer)
2535                 return -ENOMEM;
2536
2537         src = (u8 __iomem *) (info->screen_base + p + win->area[0].y_offset);
2538
2539         while (count) {
2540                 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
2541                 dst = buffer;
2542                 fb_memcpy_fromfb(dst, src, c);
2543                 dst += c;
2544                 src += c;
2545
2546                 if (copy_to_user(buf, buffer, c)) {
2547                         err = -EFAULT;
2548                         break;
2549                 }
2550                 *ppos += c;
2551                 buf += c;
2552                 cnt += c;
2553                 count -= c;
2554         }
2555
2556         kfree(buffer);
2557
2558         return (err) ? err : cnt;
2559 }
2560
2561 static ssize_t rk_fb_write(struct fb_info *info, const char __user *buf,
2562                            size_t count, loff_t *ppos)
2563 {
2564         unsigned long p = *ppos;
2565         u8 *buffer, *src;
2566         u8 __iomem *dst;
2567         int c, cnt = 0, err = 0;
2568         unsigned long total_size;
2569         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
2570         struct rk_lcdc_win *win = NULL;
2571         int win_id = 0;
2572
2573         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2574         if (win_id < 0)
2575                 return -ENODEV;
2576         else
2577                 win = dev_drv->win[win_id];
2578
2579         /* write the current frame buffer */
2580         if (win->format == RGB565)
2581                 total_size = win->area[0].xact * win->area[0].yact << 1;
2582         else
2583                 total_size = win->area[0].xact * win->area[0].yact << 2;
2584
2585         if (p > total_size)
2586                 return -EFBIG;
2587
2588         if (count > total_size) {
2589                 err = -EFBIG;
2590                 count = total_size;
2591         }
2592
2593         if (count + p > total_size) {
2594                 if (!err)
2595                         err = -ENOSPC;
2596
2597                 count = total_size - p;
2598         }
2599
2600         buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
2601         if (!buffer)
2602                 return -ENOMEM;
2603
2604         dst = (u8 __iomem *) (info->screen_base + p + win->area[0].y_offset);
2605
2606         while (count) {
2607                 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
2608                 src = buffer;
2609
2610                 if (copy_from_user(src, buf, c)) {
2611                         err = -EFAULT;
2612                         break;
2613                 }
2614
2615                 fb_memcpy_tofb(dst, src, c);
2616                 dst += c;
2617                 src += c;
2618                 *ppos += c;
2619                 buf += c;
2620                 cnt += c;
2621                 count -= c;
2622         }
2623
2624         kfree(buffer);
2625
2626         return (cnt) ? cnt : err;
2627
2628 }
2629
2630 static int rk_fb_set_par(struct fb_info *info)
2631 {
2632         struct fb_var_screeninfo *var = &info->var;
2633         struct fb_fix_screeninfo *fix = &info->fix;
2634         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
2635         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2636         int fb_id, extend_win_id = 0;
2637         struct fb_info *extend_info = NULL;
2638         struct rk_lcdc_driver *extend_dev_drv = NULL;
2639         struct rk_lcdc_win *extend_win = NULL;
2640         struct rk_lcdc_win *win = NULL;
2641         struct rk_screen *screen = dev_drv->cur_screen;
2642         int win_id = 0;
2643         u32 cblen = 0, crlen = 0;
2644         u16 xsize = 0, ysize = 0;       /* winx display window height/width --->LCDC_WINx_DSP_INFO */
2645         u32 xoffset = var->xoffset;     /* offset from virtual to visible */
2646         u32 yoffset = var->yoffset;
2647         u16 xpos = (var->nonstd >> 8) & 0xfff;  /*visiable pos in panel */
2648         u16 ypos = (var->nonstd >> 20) & 0xfff;
2649         u32 xvir = var->xres_virtual;
2650         u32 yvir = var->yres_virtual;
2651         u8 data_format = var->nonstd & 0xff;
2652         u8 fb_data_fmt;
2653         u8 pixel_width;
2654         u32 vir_width_bit;
2655         u32 stride, uv_stride;
2656         u32 stride_32bit_1;
2657         u32 stride_32bit_2;
2658         u16 uv_x_off, uv_y_off, uv_y_act;
2659         u8 is_pic_yuv = 0;
2660
2661         var->pixclock = dev_drv->pixclock;
2662         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2663         if (win_id < 0)
2664                 return -ENODEV;
2665         else
2666                 win = dev_drv->win[win_id];
2667         if (rk_fb->disp_mode == DUAL) {
2668                 fb_id = get_extend_fb_id(info);
2669                 extend_info = rk_fb->fb[(rk_fb->num_fb >> 1) + fb_id];
2670                 extend_dev_drv = (struct rk_lcdc_driver *)extend_info->par;
2671                 extend_win_id = dev_drv->ops->fb_get_win_id(extend_dev_drv,
2672                                                             extend_info->fix.
2673                                                             id);
2674                 extend_win = extend_dev_drv->win[extend_win_id];
2675         }
2676         /* if the application has specific the horizontal and vertical display size */
2677         if (var->grayscale >> 8) {
2678                 xsize = (var->grayscale >> 8) & 0xfff;
2679                 ysize = (var->grayscale >> 20) & 0xfff;
2680         } else {                /*ohterwise  full  screen display */
2681                 xsize = screen->mode.xres;
2682                 ysize = screen->mode.yres;
2683         }
2684
2685 /*this is for device like rk2928 ,whic have one lcdc but two display outputs*/
2686 /*save winameter set by android*/
2687         if (rk_fb->disp_mode != DUAL) {
2688                 if (screen->screen_id == 0) {
2689
2690                         dev_drv->screen0->xsize = xsize;
2691                         dev_drv->screen0->ysize = ysize;
2692                         dev_drv->screen0->xpos = xpos;
2693                         dev_drv->screen0->ypos = ypos;
2694                 } else {
2695                         xsize = dev_drv->screen1->xsize;
2696                         ysize = dev_drv->screen1->ysize;
2697                         xpos = dev_drv->screen1->xpos;
2698                         ypos = dev_drv->screen1->ypos;
2699                 }
2700         }
2701
2702         fb_data_fmt = rk_fb_data_fmt(data_format, var->bits_per_pixel);
2703         pixel_width = rk_fb_pixel_width(fb_data_fmt);
2704         vir_width_bit = pixel_width * xvir;
2705         /* pixel_width = byte_num * 8 */
2706         stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
2707         stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
2708
2709         switch (fb_data_fmt) {
2710         case YUV422:
2711         case YUV422_A:
2712                 is_pic_yuv = 1;
2713                 stride = stride_32bit_1;
2714                 uv_stride = stride_32bit_1 >> 1;
2715                 uv_x_off = xoffset >> 1;
2716                 uv_y_off = yoffset;
2717                 fix->line_length = stride;
2718                 cblen = crlen = (xvir * yvir) >> 1;
2719                 uv_y_act = win->area[0].yact >> 1;
2720                 break;
2721         case YUV420:            /* 420sp */
2722         case YUV420_A:
2723                 is_pic_yuv = 1;
2724                 stride = stride_32bit_1;
2725                 uv_stride = stride_32bit_1;
2726                 uv_x_off = xoffset;
2727                 uv_y_off = yoffset >> 1;
2728                 fix->line_length = stride;
2729                 cblen = crlen = (xvir * yvir) >> 2;
2730                 uv_y_act = win->area[0].yact >> 1;
2731                 break;
2732         case YUV444:
2733         case YUV444_A:
2734                 is_pic_yuv = 1;
2735                 stride = stride_32bit_1;
2736                 uv_stride = stride_32bit_2;
2737                 uv_x_off = xoffset * 2;
2738                 uv_y_off = yoffset;
2739                 fix->line_length = stride << 2;
2740                 cblen = crlen = (xvir * yvir);
2741                 uv_y_act = win->area[0].yact;
2742                 break;
2743         default:
2744                 stride = stride_32bit_1;        /* default rgb */
2745                 fix->line_length = stride;
2746                 break;
2747         }
2748
2749         /* x y mirror ,jump line */
2750         if (screen->y_mirror == 1) {
2751                 if (screen->interlace == 1) {
2752                         win->area[0].y_offset = yoffset * stride * 2 +
2753                             ((win->area[0].yact - 1) * 2 + 1) * stride +
2754                             xoffset * pixel_width / 8;
2755                 } else {
2756                         win->area[0].y_offset = yoffset * stride +
2757                             (win->area[0].yact - 1) * stride +
2758                             xoffset * pixel_width / 8;
2759                 }
2760         } else {
2761                 if (screen->interlace == 1) {
2762                         win->area[0].y_offset =
2763                             yoffset * stride * 2 + xoffset * pixel_width / 8;
2764                 } else {
2765                         win->area[0].y_offset =
2766                             yoffset * stride + xoffset * pixel_width / 8;
2767                 }
2768         }
2769         if (is_pic_yuv == 1) {
2770                 if (screen->y_mirror == 1) {
2771                         if (screen->interlace == 1) {
2772                                 win->area[0].c_offset =
2773                                     uv_y_off * uv_stride * 2 +
2774                                     ((uv_y_act - 1) * 2 + 1) * uv_stride +
2775                                     uv_x_off * pixel_width / 8;
2776                         } else {
2777                                 win->area[0].c_offset = uv_y_off * uv_stride +
2778                                     (uv_y_act - 1) * uv_stride +
2779                                     uv_x_off * pixel_width / 8;
2780                         }
2781                 } else {
2782                         if (screen->interlace == 1) {
2783                                 win->area[0].c_offset =
2784                                     uv_y_off * uv_stride * 2 +
2785                                     uv_x_off * pixel_width / 8;
2786                         } else {
2787                                 win->area[0].c_offset =
2788                                     uv_y_off * uv_stride +
2789                                     uv_x_off * pixel_width / 8;
2790                         }
2791                 }
2792         }
2793
2794         win->format = fb_data_fmt;
2795         win->area[0].y_vir_stride = stride >> 2;
2796         win->area[0].uv_vir_stride = uv_stride >> 2;
2797         win->area[0].xpos = xpos;
2798         win->area[0].ypos = ypos;
2799         win->area[0].xsize = xsize;
2800         win->area[0].ysize = ysize;
2801
2802         win->area[0].smem_start = fix->smem_start;
2803         win->area[0].cbr_start = fix->smem_start + stride * yvir;       /* fix->mmio_start; */
2804         win->area[0].xact = var->xres;  /* winx active window height,is a wint of vir */
2805         win->area[0].yact = var->yres;
2806         win->area[0].xvir = var->xres_virtual;  /* virtual resolution  stride --->LCDC_WINx_VIR */
2807         win->area[0].yvir = var->yres_virtual;
2808         win->area[0].state = 1;
2809         win->area_num = 1;
2810         win->state = 1;
2811         win->alpha_mode = 4;    /* AB_SRC_OVER; */
2812         win->alpha_en = ((win->format == ARGB888)
2813                          || (win->format == ABGR888)) ? 1 : 0;
2814         win->g_alpha_val = 0;
2815
2816         if (rk_fb->disp_mode == DUAL) {
2817                 if (extend_win->state && (hdmi_switch_complete)) {
2818                         if (info != extend_info) {
2819                                 if (win->area[0].xact < win->area[0].yact) {
2820                                         extend_win->area[0].xact =
2821                                             win->area[0].yact;
2822                                         extend_win->area[0].yact =
2823                                             win->area[0].xact;
2824                                         extend_win->area[0].xvir =
2825                                             win->area[0].yact;
2826                                         extend_info->var.xres = var->yres;
2827                                         extend_info->var.yres = var->xres;
2828                                         extend_info->var.xres_virtual =
2829                                             var->yres;
2830                                 } else {
2831                                         extend_win->area[0].xact =
2832                                             win->area[0].xact;
2833                                         extend_win->area[0].yact =
2834                                             win->area[0].yact;
2835                                         extend_win->area[0].xvir =
2836                                             win->area[0].xvir;
2837                                         extend_info->var.xres = var->xres;
2838                                         extend_info->var.yres = var->yres;
2839                                         extend_info->var.xres_virtual =
2840                                             var->xres_virtual;
2841                                 }
2842                                 extend_win->area[0].y_vir_stride =
2843                                     win->area[0].y_vir_stride;
2844                                 extend_win->area[0].uv_vir_stride =
2845                                     win->area[0].uv_vir_stride;
2846                                 if (win->area[0].xpos != 0
2847                                     || win->area[0].ypos != 0) {
2848                                         extend_win->area[0].xsize =
2849                                             (extend_dev_drv->cur_screen->xsize * win->area[0].xsize) / screen->mode.xres;
2850                                         extend_win->area[0].ysize =
2851                                             (extend_dev_drv->cur_screen->ysize * win->area[0].ysize) / screen->mode.yres;
2852                                         extend_win->area[0].xpos =
2853                                             ((extend_dev_drv->cur_screen->mode.xres - extend_dev_drv->cur_screen->xsize) >> 1) +
2854                                             extend_dev_drv->cur_screen->xsize * win->area[0].xpos / screen->mode.xres;
2855                                         extend_win->area[0].ypos =
2856                                             ((extend_dev_drv->cur_screen->mode.yres - extend_dev_drv->cur_screen->ysize) >> 1) +
2857                                             extend_dev_drv->cur_screen->ysize * win->area[0].ypos / screen->mode.yres;
2858                                 } else {        /* the display image of the primary screen is full screen size */
2859                                         extend_win->area[0].xpos =
2860                                             (extend_dev_drv->cur_screen->mode.xres - extend_dev_drv->cur_screen->xsize) >> 1;
2861                                         extend_win->area[0].ypos =
2862                                             (extend_dev_drv->cur_screen->mode.yres - extend_dev_drv->cur_screen->ysize) >> 1;
2863                                         extend_win->area[0].xsize =
2864                                             extend_dev_drv->cur_screen->xsize;
2865                                         extend_win->area[0].ysize =
2866                                             extend_dev_drv->cur_screen->ysize;
2867                                 }
2868
2869                                 extend_win->area[0].state = 1;
2870                                 extend_win->area_num = 1;
2871                                 extend_win->alpha_en = 0;
2872                                 extend_win->format = win->format;
2873                                 extend_info->var.nonstd &= 0xffffff00;
2874                                 extend_info->var.nonstd |= data_format;
2875                                 extend_dev_drv->ops->set_par(extend_dev_drv,
2876                                                              extend_win_id);
2877                         }
2878                 }
2879         }
2880         dev_drv->ops->set_par(dev_drv, win_id);
2881
2882         return 0;
2883 }
2884
2885 static inline unsigned int chan_to_field(unsigned int chan,
2886                                          struct fb_bitfield *bf)
2887 {
2888         chan &= 0xffff;
2889         chan >>= 16 - bf->length;
2890         return chan << bf->offset;
2891 }
2892
2893 static int fb_setcolreg(unsigned regno,
2894                         unsigned red, unsigned green, unsigned blue,
2895                         unsigned transp, struct fb_info *info)
2896 {
2897         unsigned int val;
2898
2899         switch (info->fix.visual) {
2900         case FB_VISUAL_TRUECOLOR:
2901                 /* true-colour, use pseudo-palette */
2902                 if (regno < 16) {
2903                         u32 *pal = info->pseudo_palette;
2904                         val = chan_to_field(red, &info->var.red);
2905                         val |= chan_to_field(green, &info->var.green);
2906                         val |= chan_to_field(blue, &info->var.blue);
2907                         pal[regno] = val;
2908                 }
2909                 break;
2910         default:
2911                 return -1;      /* unknown type */
2912         }
2913
2914         return 0;
2915 }
2916
2917 static int rk_fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
2918 {
2919         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
2920         int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2921         struct rk_lcdc_win *win;
2922         win = dev_drv->win[win_id];
2923
2924         vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
2925
2926         return dma_buf_mmap(win->area[0].dma_buf, vma, 0);
2927 }
2928
2929 static struct fb_ops fb_ops = {
2930         .owner = THIS_MODULE,
2931         .fb_open = rk_fb_open,
2932         .fb_release = rk_fb_close,
2933         .fb_check_var = rk_fb_check_var,
2934         .fb_set_par = rk_fb_set_par,
2935         .fb_blank = rk_fb_blank,
2936         .fb_ioctl = rk_fb_ioctl,
2937         .fb_pan_display = rk_fb_pan_display,
2938         .fb_read = rk_fb_read,
2939         .fb_write = rk_fb_write,
2940         .fb_setcolreg = fb_setcolreg,
2941         .fb_fillrect = cfb_fillrect,
2942         .fb_copyarea = cfb_copyarea,
2943         .fb_imageblit = cfb_imageblit,
2944 };
2945
2946 static struct fb_var_screeninfo def_var = {
2947 #if defined(CONFIG_LOGO_LINUX_BMP)
2948         .red = {16, 8, 0},
2949         .green = {8, 8, 0},
2950         .blue = {0, 8, 0},
2951         .transp = {0, 0, 0},
2952         .nonstd = HAL_PIXEL_FORMAT_BGRA_8888,
2953 #else
2954         .red = {11, 5, 0},
2955         .green = {5, 6, 0},
2956         .blue = {0, 5, 0},
2957         .transp = {0, 0, 0},
2958         .nonstd = HAL_PIXEL_FORMAT_RGB_565,     /* (ypos<<20+xpos<<8+format) format */
2959 #endif
2960         .grayscale = 0,         /* (ysize<<20+xsize<<8) */
2961         .activate = FB_ACTIVATE_NOW,
2962         .accel_flags = 0,
2963         .vmode = FB_VMODE_NONINTERLACED,
2964 };
2965
2966 static struct fb_fix_screeninfo def_fix = {
2967         .type = FB_TYPE_PACKED_PIXELS,
2968         .type_aux = 0,
2969         .xpanstep = 1,
2970         .ypanstep = 1,
2971         .ywrapstep = 0,
2972         .accel = FB_ACCEL_NONE,
2973         .visual = FB_VISUAL_TRUECOLOR,
2974
2975 };
2976
2977 static int rk_fb_wait_for_vsync_thread(void *data)
2978 {
2979         struct rk_lcdc_driver *dev_drv = data;
2980         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
2981         struct fb_info *fbi = rk_fb->fb[0];
2982
2983         while (!kthread_should_stop()) {
2984                 ktime_t timestamp = dev_drv->vsync_info.timestamp;
2985                 int ret = wait_event_interruptible(dev_drv->vsync_info.wait,
2986                                 !ktime_equal(timestamp, dev_drv->vsync_info.timestamp) &&
2987                                 (dev_drv->vsync_info.active || dev_drv->vsync_info.irq_stop));
2988
2989                 if (!ret)
2990                         sysfs_notify(&fbi->dev->kobj, NULL, "vsync");
2991         }
2992
2993         return 0;
2994 }
2995
2996 static ssize_t rk_fb_vsync_show(struct device *dev,
2997                                 struct device_attribute *attr, char *buf)
2998 {
2999         struct fb_info *fbi = dev_get_drvdata(dev);
3000         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)fbi->par;
3001         return scnprintf(buf, PAGE_SIZE, "%llu\n",
3002                          ktime_to_ns(dev_drv->vsync_info.timestamp));
3003 }
3004
3005 static DEVICE_ATTR(vsync, S_IRUGO, rk_fb_vsync_show, NULL);
3006
3007 /*
3008  * this two function is for other module that in the kernel which
3009  * need show image directly through fb
3010  * fb_id:we have 4 fb here,default we use fb0 for ui display
3011  */
3012 struct fb_info *rk_get_fb(int fb_id)
3013 {
3014         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3015         struct fb_info *fb = inf->fb[fb_id];
3016         return fb;
3017 }
3018 EXPORT_SYMBOL(rk_get_fb);
3019
3020 void rk_direct_fb_show(struct fb_info *fbi)
3021 {
3022         rk_fb_set_par(fbi);
3023         rk_fb_pan_display(&fbi->var, fbi);
3024 }
3025 EXPORT_SYMBOL(rk_direct_fb_show);
3026
3027 static int set_xact_yact_for_hdmi(struct fb_var_screeninfo *pmy_var,
3028                                   struct fb_var_screeninfo *hdmi_var)
3029 {
3030         if (pmy_var->xres < pmy_var->yres) {    /* vertical  lcd screen */
3031                 hdmi_var->xres = pmy_var->yres;
3032                 hdmi_var->yres = pmy_var->xres;
3033                 hdmi_var->xres_virtual = pmy_var->yres;
3034         } else {
3035                 hdmi_var->xres = pmy_var->xres;
3036                 hdmi_var->yres = pmy_var->yres;
3037                 hdmi_var->xres_virtual = pmy_var->xres_virtual;
3038         }
3039
3040         return 0;
3041
3042 }
3043
3044 int rk_fb_dpi_open(bool open)
3045 {
3046         struct rk_lcdc_driver *dev_drv = NULL;
3047         dev_drv = rk_get_prmry_lcdc_drv();
3048         dev_drv->ops->dpi_open(dev_drv, open);
3049
3050         return 0;
3051 }
3052
3053 int rk_fb_dpi_win_sel(int win_id)
3054 {
3055         struct rk_lcdc_driver *dev_drv = NULL;
3056         dev_drv = rk_get_prmry_lcdc_drv();
3057         dev_drv->ops->dpi_win_sel(dev_drv, win_id);
3058
3059         return 0;
3060 }
3061
3062 int rk_fb_dpi_status(void)
3063 {
3064         int ret;
3065         struct rk_lcdc_driver *dev_drv = NULL;
3066         dev_drv = rk_get_prmry_lcdc_drv();
3067         ret = dev_drv->ops->dpi_status(dev_drv);
3068
3069         return ret;
3070 }
3071
3072 /*
3073  * function:this function will be called by hdmi,when
3074  *             hdmi plug in/out
3075  * screen: the screen attached to hdmi
3076  * enable: 1,hdmi plug in,0,hdmi plug out
3077  * lcdc_id: the lcdc id the hdmi attached ,0 or 1
3078  */
3079 int rk_fb_switch_screen(struct rk_screen *screen, int enable, int lcdc_id)
3080 {
3081         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3082         struct fb_info *info = NULL;
3083         struct rk_lcdc_driver *dev_drv = NULL;
3084         struct fb_var_screeninfo *hdmi_var = NULL;
3085         struct fb_var_screeninfo *pmy_var = NULL;       /* var for primary screen */
3086         int i;
3087         struct fb_fix_screeninfo *hdmi_fix = NULL;
3088         char name[6];
3089         int ret;
3090         int win_id;
3091 /*
3092         if (rk_fb->disp_mode != DUAL)
3093                 rk29_backlight_set(0);
3094 */
3095         sprintf(name, "lcdc%d", lcdc_id);
3096
3097         if (rk_fb->disp_mode != DUAL) {
3098                 dev_drv = rk_fb->lcdc_dev_drv[0];
3099         } else {
3100
3101                 for (i = 0; i < rk_fb->num_lcdc; i++) {
3102                         if (rk_fb->lcdc_dev_drv[i]->prop == EXTEND) {
3103                                 dev_drv = rk_fb->lcdc_dev_drv[i];
3104                                 break;
3105                         }
3106                 }
3107
3108                 if (i == rk_fb->num_lcdc) {
3109                         printk(KERN_ERR "%s driver not found!", name);
3110                         return -ENODEV;
3111                 }
3112         }
3113         printk("hdmi %s lcdc%d\n", enable ? "connect to" : "remove from",
3114                dev_drv->id);
3115
3116         if (rk_fb->num_lcdc == 1)
3117                 info = rk_fb->fb[0];
3118         else if (rk_fb->num_lcdc == 2)
3119                 info = rk_fb->fb[dev_drv->lcdc_win_num];        /* the main fb of lcdc1 */
3120
3121         if (dev_drv->screen1) { /* device like rk2928 ,have only one lcdc but two outputs */
3122                 if (enable) {
3123                         memcpy(dev_drv->screen1, screen,
3124                                sizeof(struct rk_screen));
3125                         dev_drv->screen1->lcdc_id = 0;  /* connect screen1 to output interface 0 */
3126                         dev_drv->screen1->screen_id = 1;
3127                         dev_drv->screen0->lcdc_id = 1;  /* connect screen0 to output interface 1 */
3128                         dev_drv->cur_screen = dev_drv->screen1;
3129                         dev_drv->screen0->ext_screen = dev_drv->screen1;
3130                         if (dev_drv->screen0->sscreen_get) {
3131                                 dev_drv->screen0->sscreen_get(dev_drv->screen0,
3132                                                               dev_drv->cur_screen->hdmi_resolution);
3133                         }
3134
3135                 } else {
3136                         dev_drv->screen1->lcdc_id = 1;  /* connect screen1 to output interface 1 */
3137                         dev_drv->screen0->lcdc_id = 0;  /* connect screen0 to output interface 0 */
3138                         dev_drv->cur_screen = dev_drv->screen0;
3139                         dev_drv->screen_ctr_info->set_screen_info(dev_drv->cur_screen,
3140                                                                   dev_drv->screen_ctr_info->lcd_info);
3141                 }
3142         } else {
3143                 if (enable)
3144                         memcpy(dev_drv->cur_screen, screen, sizeof(struct rk_screen));
3145         }
3146
3147         dev_drv->cur_screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3148         dev_drv->cur_screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3149
3150         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3151
3152         if (!enable && !dev_drv->screen1) {     /* only double lcdc device need to close */
3153                 if (dev_drv->win[win_id]->state)
3154                         dev_drv->ops->open(dev_drv, win_id, enable);    /* disable the win which attached to this fb */
3155                 hdmi_switch_complete = 0;
3156
3157                 return 0;
3158         }
3159
3160         hdmi_var = &info->var;
3161         hdmi_fix = &info->fix;
3162         if (rk_fb->disp_mode == DUAL) {
3163                 if (likely(rk_fb->num_lcdc == 2)) {
3164                         pmy_var = &rk_fb->fb[0]->var;
3165                         set_xact_yact_for_hdmi(pmy_var, hdmi_var);
3166                         hdmi_var->nonstd &= 0xffffff00;
3167                         hdmi_var->nonstd |= (pmy_var->nonstd & 0xff);   /* use the same format as primary screen */
3168                 } else {
3169                         printk(KERN_WARNING
3170                                "%s>>only one lcdc,dual display no supported!",
3171                                __func__);
3172                 }
3173         }
3174         hdmi_var->grayscale &= 0xff;
3175         hdmi_var->grayscale |=
3176             (dev_drv->cur_screen->mode.xres << 8) + (dev_drv->cur_screen->mode.yres << 20);
3177         if (dev_drv->screen1) { /* device like rk2928,whic have one lcdc but two outputs */
3178                 /*
3179                 info->var.nonstd &= 0xff;
3180                 info->var.nonstd |= (dev_drv->cur_screen->mode.xpos<<8) + (dev_drv->cur_screen->mode.ypos<<20);
3181                 info->var.grayscale &= 0xff;
3182                 info->var.grayscale |= (dev_drv->cur_screen->mode.x_res<<8) + (dev_drv->cur_screen->mode.y_res<<20);
3183                 */
3184                 dev_drv->screen1->xsize = dev_drv->cur_screen->mode.xres;
3185                 dev_drv->screen1->ysize = dev_drv->cur_screen->mode.yres;
3186                 dev_drv->screen1->xpos = 0;
3187                 dev_drv->screen1->ypos = 0;
3188         }
3189
3190         ret = info->fbops->fb_open(info, 1);
3191         dev_drv->ops->load_screen(dev_drv, 1);
3192         ret = info->fbops->fb_set_par(info);
3193         if (dev_drv->ops->lcdc_hdmi_process)
3194                 dev_drv->ops->lcdc_hdmi_process(dev_drv, enable);
3195
3196         hdmi_switch_complete = enable;
3197         info->fbops->fb_pan_display(hdmi_var, info);
3198
3199         /* info->fbops->fb_ioctl(info, RK_FBIOSET_CONFIG_DONE, 0); */
3200         if (dev_drv->screen1) {
3201                 if (dev_drv->screen0->sscreen_set) {
3202                         dev_drv->ops->blank(dev_drv, 0, FB_BLANK_NORMAL);
3203                         msleep(100);
3204                         dev_drv->screen0->sscreen_set(dev_drv->screen0, enable);
3205                         dev_drv->ops->blank(dev_drv, 0, FB_BLANK_UNBLANK);
3206                 }
3207         }
3208         /*
3209         if (rk_fb->disp_mode != DUAL)
3210                 rk29_backlight_set(1);
3211         */
3212         return 0;
3213
3214 }
3215
3216 /*
3217  * function:this function current only called by hdmi for
3218  *      scale the display
3219  * scale_x: scale rate of x resolution
3220  * scale_y: scale rate of y resolution
3221  * lcdc_id: the lcdc id the hdmi attached ,0 or 1
3222  */
3223 int rk_fb_disp_scale(u8 scale_x, u8 scale_y, u8 lcdc_id)
3224 {
3225         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3226         struct fb_info *info = NULL;
3227         struct fb_var_screeninfo *var = NULL;
3228         struct rk_lcdc_driver *dev_drv = NULL;
3229         u16 screen_x, screen_y;
3230         u16 xpos, ypos;
3231         char name[6];
3232         int i = 0;
3233         sprintf(name, "lcdc%d", lcdc_id);
3234
3235 #if defined(CONFIG_ONE_LCDC_DUAL_OUTPUT_INF)
3236         dev_drv = inf->lcdc_dev_drv[0];
3237 #else
3238         for (i = 0; i < inf->num_lcdc; i++) {
3239                 if (inf->lcdc_dev_drv[i]->prop == EXTEND) {
3240                         dev_drv = inf->lcdc_dev_drv[i];
3241                         break;
3242                 }
3243         }
3244
3245         if (i == inf->num_lcdc) {
3246                 printk(KERN_ERR "%s driver not found!", name);
3247                 return -ENODEV;
3248
3249         }
3250 #endif
3251         if (inf->num_lcdc == 1)
3252                 info = inf->fb[0];
3253         else if (inf->num_lcdc == 2)
3254                 info = inf->fb[dev_drv->lcdc_win_num];
3255
3256         var = &info->var;
3257         screen_x = dev_drv->cur_screen->mode.xres;
3258         screen_y = dev_drv->cur_screen->mode.yres;
3259
3260 #if defined(CONFIG_ONE_LCDC_DUAL_OUTPUT_INF) || defined(CONFIG_NO_DUAL_DISP)
3261         if (dev_drv->cur_screen->screen_id == 1) {
3262                 dev_drv->cur_screen->xpos =
3263                     (screen_x - screen_x * scale_x / 100) >> 1;
3264                 dev_drv->cur_screen->ypos =
3265                     (screen_y - screen_y * scale_y / 100) >> 1;
3266                 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3267                 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3268         } else
3269 #endif
3270         {
3271                 xpos = (screen_x - screen_x * scale_x / 100) >> 1;
3272                 ypos = (screen_y - screen_y * scale_y / 100) >> 1;
3273                 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3274                 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3275                 var->nonstd &= 0xff;
3276                 var->nonstd |= (xpos << 8) + (ypos << 20);
3277                 var->grayscale &= 0xff;
3278                 var->grayscale |=
3279                     (dev_drv->cur_screen->xsize << 8) + (dev_drv->cur_screen->ysize << 20);
3280         }
3281
3282         info->fbops->fb_set_par(info);
3283         /* info->fbops->fb_ioctl(info, RK_FBIOSET_CONFIG_DONE, 0); */
3284         dev_drv->ops->cfg_done(dev_drv);
3285         return 0;
3286
3287 }
3288
3289 #if defined(CONFIG_ION_ROCKCHIP)
3290 static int rk_fb_alloc_buffer_by_ion(struct fb_info *fbi,
3291                                      struct rk_lcdc_win *win,
3292                                      unsigned long fb_mem_size)
3293 {
3294         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3295         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)fbi->par;
3296         struct ion_handle *handle;
3297         ion_phys_addr_t phy_addr;
3298         size_t len;
3299         if (dev_drv->iommu_enabled)
3300                 handle = ion_alloc(rk_fb->ion_client, (size_t) fb_mem_size, 0,
3301                                    ION_HEAP(ION_VMALLOC_HEAP_ID), 0);
3302         else
3303                 handle = ion_alloc(rk_fb->ion_client, (size_t) fb_mem_size, 0,
3304                                    ION_HEAP(ION_CMA_HEAP_ID), 0);
3305         if (IS_ERR(handle)) {
3306                 dev_err(fbi->device, "failed to ion_alloc:%ld\n",
3307                         PTR_ERR(handle));
3308                 return -ENOMEM;
3309         }
3310         win->area[0].dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3311         if (IS_ERR_OR_NULL(win->area[0].dma_buf)) {
3312                 printk("ion_share_dma_buf() failed\n");
3313                 goto err_share_dma_buf;
3314         }
3315         win->area[0].ion_hdl = handle;
3316         if (dev_drv->prop == PRMRY)
3317                 fbi->screen_base = ion_map_kernel(rk_fb->ion_client, handle);
3318 #ifdef CONFIG_ROCKCHIP_IOMMU
3319         if (dev_drv->iommu_enabled)
3320                 ion_map_iommu(dev_drv->dev, rk_fb->ion_client, handle,
3321                               (unsigned long *)&phy_addr,
3322                               (unsigned long *)&len);
3323         else
3324                 ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3325 #else
3326         ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3327 #endif
3328         fbi->fix.smem_start = phy_addr;
3329         fbi->fix.smem_len = len;
3330         printk(KERN_INFO "alloc_buffer:ion_phy_addr=0x%lx\n", phy_addr);
3331         return 0;
3332
3333 err_share_dma_buf:
3334         ion_free(rk_fb->ion_client, handle);
3335         return -ENOMEM;
3336 }
3337 #endif
3338
3339 static int rk_fb_alloc_buffer(struct fb_info *fbi, int fb_id)
3340 {
3341         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3342         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)fbi->par;
3343         struct rk_lcdc_win *win = NULL;
3344         int win_id;
3345         int ret = 0;
3346         unsigned long fb_mem_size;
3347 #if !defined(CONFIG_ION_ROCKCHIP)
3348         dma_addr_t fb_mem_phys;
3349         void *fb_mem_virt;
3350 #endif
3351
3352         win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
3353         if (win_id < 0)
3354                 return -ENODEV;
3355         else
3356                 win = dev_drv->win[win_id];
3357
3358         if (!strcmp(fbi->fix.id, "fb0")) {
3359                 fb_mem_size = get_fb_size();
3360 #if defined(CONFIG_ION_ROCKCHIP)
3361                 if (rk_fb_alloc_buffer_by_ion(fbi, win, fb_mem_size) < 0)
3362                         return -ENOMEM;
3363 #else
3364                 fb_mem_virt = dma_alloc_writecombine(fbi->dev, fb_mem_size,
3365                                                      &fb_mem_phys, GFP_KERNEL);
3366                 if (!fb_mem_virt) {
3367                         pr_err("%s: Failed to allocate framebuffer\n",
3368                                __func__);
3369                         return -ENOMEM;
3370                 }
3371                 fbi->fix.smem_len = fb_mem_size;
3372                 fbi->fix.smem_start = fb_mem_phys;
3373                 fbi->screen_base = fb_mem_virt;
3374 #endif
3375                 memset(fbi->screen_base, 0, fbi->fix.smem_len);
3376                 printk(KERN_INFO "fb%d:phy:%lx>>vir:%p>>len:0x%x\n", fb_id,
3377                        fbi->fix.smem_start, fbi->screen_base,
3378                        fbi->fix.smem_len);
3379         } else {
3380                 if (dev_drv->rotate_mode > X_Y_MIRROR) {
3381                         fb_mem_size = get_rotate_fb_size();
3382 #if defined(CONFIG_ION_ROCKCHIP)
3383                         if (rk_fb_alloc_buffer_by_ion(fbi, win, fb_mem_size) < 0)
3384                                 return -ENOMEM;
3385 #else
3386                         fb_mem_virt = dma_alloc_writecombine(fbi->dev,
3387                                         fb_mem_size, &fb_mem_phys, GFP_KERNEL);
3388                         if (!fb_mem_virt) {
3389                                 pr_err("%s: Failed to allocate framebuffer\n",
3390                                         __func__);
3391                                 return -ENOMEM;
3392                         }
3393                         fbi->fix.smem_len = fb_mem_size;
3394                         fbi->fix.smem_start = fb_mem_phys;
3395                         fbi->screen_base = fb_mem_virt;
3396 #endif
3397                 } else {
3398                         fbi->fix.smem_start = rk_fb->fb[0]->fix.smem_start;
3399                         fbi->fix.smem_len = rk_fb->fb[0]->fix.smem_len;
3400                         fbi->screen_base = rk_fb->fb[0]->screen_base;
3401                 }
3402
3403                 printk(KERN_INFO "fb%d:phy:%lx>>vir:%p>>len:0x%x\n", fb_id,
3404                        fbi->fix.smem_start, fbi->screen_base,
3405                        fbi->fix.smem_len);
3406         }
3407
3408         fbi->screen_size = fbi->fix.smem_len;
3409         win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
3410         if (win_id >= 0) {
3411                 win = dev_drv->win[win_id];
3412                 win->reserved = fbi->fix.smem_start;
3413         }
3414
3415         return ret;
3416 }
3417
3418 #if 0
3419 static int rk_release_fb_buffer(struct fb_info *fbi)
3420 {
3421         /* buffer for fb1 and fb3 are alloc by android */
3422         if (!strcmp(fbi->fix.id, "fb1") || !strcmp(fbi->fix.id, "fb3"))
3423                 return 0;
3424         iounmap(fbi->screen_base);
3425         release_mem_region(fbi->fix.smem_start, fbi->fix.smem_len);
3426         return 0;
3427
3428 }
3429 #endif
3430
3431 static int init_lcdc_win(struct rk_lcdc_driver *dev_drv,
3432                          struct rk_lcdc_win *def_win)
3433 {
3434         int i;
3435         int lcdc_win_num = dev_drv->lcdc_win_num;
3436         for (i = 0; i < lcdc_win_num; i++) {
3437                 struct rk_lcdc_win *win = NULL;
3438                 win = kzalloc(sizeof(struct rk_lcdc_win), GFP_KERNEL);
3439                 if (!win) {
3440                         dev_err(dev_drv->dev, "kzmalloc for win fail!");
3441                         return -ENOMEM;
3442                 }
3443
3444                 strcpy(win->name, def_win[i].name);
3445                 win->id = def_win[i].id;
3446                 win->support_3d = def_win[i].support_3d;
3447                 dev_drv->win[i] = win;
3448         }
3449
3450         return 0;
3451 }
3452
3453 static int init_lcdc_device_driver(struct rk_fb *rk_fb,
3454                                    struct rk_lcdc_win *def_win, int index)
3455 {
3456         struct rk_lcdc_driver *dev_drv = rk_fb->lcdc_dev_drv[index];
3457         struct rk_screen *screen = devm_kzalloc(dev_drv->dev,
3458                                                 sizeof(struct rk_screen),
3459                                                 GFP_KERNEL);
3460         if (!screen) {
3461                 dev_err(dev_drv->dev, "malloc screen for lcdc%d fail!",
3462                         dev_drv->id);
3463                 return -ENOMEM;
3464         }
3465
3466         screen->screen_id = 0;
3467         screen->lcdc_id = dev_drv->id;
3468         screen->overscan.left = 100;
3469         screen->overscan.top = 100;
3470         screen->overscan.right = 100;
3471         screen->overscan.bottom = 100;
3472
3473         screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3474         screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3475
3476         dev_drv->screen0 = screen;
3477         dev_drv->cur_screen = screen;
3478         /* devie use one lcdc + rk61x scaler for dual display */
3479         if (rk_fb->disp_mode == ONE_DUAL) {
3480                 struct rk_screen *screen1 = devm_kzalloc(dev_drv->dev,
3481                                                          sizeof(struct rk_screen),
3482                                                          GFP_KERNEL);
3483                 if (screen1) {
3484                         dev_err(dev_drv->dev, "malloc screen1 for lcdc%d fail!",
3485                                 dev_drv->id);
3486                         return -ENOMEM;
3487                 }
3488                 screen1->screen_id = 1;
3489                 screen1->lcdc_id = 1;
3490                 dev_drv->screen1 = screen1;
3491         }
3492         sprintf(dev_drv->name, "lcdc%d", dev_drv->id);
3493         init_lcdc_win(dev_drv, def_win);
3494         init_completion(&dev_drv->frame_done);
3495         spin_lock_init(&dev_drv->cpl_lock);
3496         mutex_init(&dev_drv->fb_win_id_mutex);
3497         dev_drv->ops->fb_win_remap(dev_drv, FB_DEFAULT_ORDER);
3498         dev_drv->first_frame = 1;
3499         rk_disp_pwr_ctr_parse_dt(dev_drv);
3500         if (dev_drv->prop == PRMRY) {
3501                 dev_drv->ops->set_dsp_cabc(dev_drv, dev_drv->cabc_mode);
3502                 rk_fb_set_prmry_screen(screen);
3503                 rk_fb_get_prmry_screen(screen);
3504         }
3505         dev_drv->trsm_ops = rk_fb_trsm_ops_get(screen->type);
3506
3507         return 0;
3508 }
3509
3510 #ifdef CONFIG_LOGO_LINUX_BMP
3511 static struct linux_logo *bmp_logo;
3512 static int fb_prewine_bmp_logo(struct fb_info *info, int rotate)
3513 {
3514         bmp_logo = fb_find_logo(24);
3515         if (bmp_logo == NULL) {
3516                 printk(KERN_INFO "%s error\n", __func__);
3517                 return 0;
3518         }
3519         return 1;
3520 }
3521
3522 static void fb_show_bmp_logo(struct fb_info *info, int rotate)
3523 {
3524         unsigned char *src = bmp_logo->data;
3525         unsigned char *dst = info->screen_base;
3526         int i;
3527         unsigned int Needwidth = (*(src - 24) << 8) | (*(src - 23));
3528         unsigned int Needheight = (*(src - 22) << 8) | (*(src - 21));
3529
3530         for (i = 0; i < Needheight; i++)
3531                 memcpy(dst + info->var.xres * i * 4,
3532                        src + bmp_logo->width * i * 4, Needwidth * 4);
3533
3534 }
3535 #endif
3536
3537 /*
3538  * check if the primary lcdc has registerd,
3539  * the primary lcdc mas register first
3540  */
3541 bool is_prmry_rk_lcdc_registered(void)
3542 {
3543         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3544         if (rk_fb->lcdc_dev_drv[0])
3545                 return true;
3546         else
3547                 return false;
3548
3549 }
3550
3551 int rk_fb_register(struct rk_lcdc_driver *dev_drv,
3552                    struct rk_lcdc_win *win, int id)
3553 {
3554         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3555         struct fb_info *fbi;
3556         int i = 0, ret = 0, index = 0;
3557 #if defined(CONFIG_ROCKCHIP_IOMMU)
3558         struct device *mmu_dev = NULL;
3559 #endif
3560         if (rk_fb->num_lcdc == RK30_MAX_LCDC_SUPPORT)
3561                 return -ENXIO;
3562
3563         for (i = 0; i < RK30_MAX_LCDC_SUPPORT; i++) {
3564                 if (!rk_fb->lcdc_dev_drv[i]) {
3565                         rk_fb->lcdc_dev_drv[i] = dev_drv;
3566                         rk_fb->lcdc_dev_drv[i]->id = id;
3567                         rk_fb->num_lcdc++;
3568                         break;
3569                 }
3570         }
3571
3572         index = i;
3573         init_lcdc_device_driver(rk_fb, win, index);
3574         dev_drv->fb_index_base = rk_fb->num_fb;
3575         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3576                 fbi = framebuffer_alloc(0, &fb_pdev->dev);
3577                 if (!fbi) {
3578                         dev_err(&fb_pdev->dev, "fb framebuffer_alloc fail!");
3579                         ret = -ENOMEM;
3580                 }
3581                 fbi->par = dev_drv;
3582                 fbi->var = def_var;
3583                 fbi->fix = def_fix;
3584                 sprintf(fbi->fix.id, "fb%d", rk_fb->num_fb);
3585                 fb_videomode_to_var(&fbi->var, &dev_drv->cur_screen->mode);
3586                 fbi->var.grayscale |=
3587                     (fbi->var.xres << 8) + (fbi->var.yres << 20);
3588 #if defined(CONFIG_LOGO_LINUX_BMP)
3589                 fbi->var.bits_per_pixel = 32;
3590 #else
3591                 fbi->var.bits_per_pixel = 16;
3592 #endif
3593                 fbi->fix.line_length =
3594                     (fbi->var.xres_virtual) * (fbi->var.bits_per_pixel >> 3);
3595                 fbi->var.width = dev_drv->cur_screen->width;
3596                 fbi->var.height = dev_drv->cur_screen->height;
3597                 fbi->var.pixclock = dev_drv->pixclock;
3598                 if (dev_drv->iommu_enabled)
3599                         fb_ops.fb_mmap = rk_fb_mmap;
3600                 fbi->fbops = &fb_ops;
3601                 fbi->flags = FBINFO_FLAG_DEFAULT;
3602                 fbi->pseudo_palette = dev_drv->win[i]->pseudo_pal;
3603                 ret = register_framebuffer(fbi);
3604                 if (ret < 0) {
3605                         dev_err(&fb_pdev->dev,
3606                                 "%s fb%d register_framebuffer fail!\n",
3607                                 __func__, rk_fb->num_fb);
3608                         return ret;
3609                 }
3610                 rkfb_create_sysfs(fbi);
3611                 rk_fb->fb[rk_fb->num_fb] = fbi;
3612                 dev_info(fbi->dev, "rockchip framebuffer registerd:%s\n",
3613                          fbi->fix.id);
3614                 rk_fb->num_fb++;
3615
3616                 if (i == 0) {
3617                         init_waitqueue_head(&dev_drv->vsync_info.wait);
3618                         init_waitqueue_head(&dev_drv->update_regs_wait);
3619                         ret = device_create_file(fbi->dev, &dev_attr_vsync);
3620                         if (ret)
3621                                 dev_err(fbi->dev,
3622                                         "failed to create vsync file\n");
3623                         dev_drv->vsync_info.thread =
3624                             kthread_run(rk_fb_wait_for_vsync_thread, dev_drv,
3625                                         "fb-vsync");
3626                         if (dev_drv->vsync_info.thread == ERR_PTR(-ENOMEM)) {
3627                                 dev_err(fbi->dev,
3628                                         "failed to run vsync thread\n");
3629                                 dev_drv->vsync_info.thread = NULL;
3630                         }
3631                         dev_drv->vsync_info.active = 1;
3632
3633                         mutex_init(&dev_drv->output_lock);
3634
3635                         INIT_LIST_HEAD(&dev_drv->update_regs_list);
3636                         mutex_init(&dev_drv->update_regs_list_lock);
3637                         init_kthread_worker(&dev_drv->update_regs_worker);
3638
3639                         dev_drv->update_regs_thread =
3640                             kthread_run(kthread_worker_fn,
3641                                         &dev_drv->update_regs_worker, "rk-fb");
3642                         if (IS_ERR(dev_drv->update_regs_thread)) {
3643                                 int err = PTR_ERR(dev_drv->update_regs_thread);
3644                                 dev_drv->update_regs_thread = NULL;
3645
3646                                 printk("failed to run update_regs thread\n");
3647                                 return err;
3648                         }
3649                         init_kthread_work(&dev_drv->update_regs_work,
3650                                           rk_fb_update_regs_handler);
3651
3652                         dev_drv->timeline =
3653                             sw_sync_timeline_create("fb-timeline");
3654                         dev_drv->timeline_max = 1;
3655                 }
3656
3657         }
3658
3659         /* show logo for primary display device */
3660 #if !defined(CONFIG_FRAMEBUFFER_CONSOLE) && defined(CONFIG_LOGO)
3661         if (dev_drv->prop == PRMRY) {
3662                 struct fb_info *main_fbi = rk_fb->fb[0];
3663                 main_fbi->fbops->fb_open(main_fbi, 1);
3664 #if defined(CONFIG_ROCKCHIP_IOMMU)
3665                 if (dev_drv->iommu_enabled) {
3666                         mmu_dev =
3667                             rk_fb_get_sysmmu_device_by_compatible(dev_drv->mmu_dts_name);
3668                         if (mmu_dev) {
3669                                 rk_fb_platform_set_sysmmu(mmu_dev, dev_drv->dev);
3670                                 rockchip_iovmm_set_fault_handler(dev_drv->dev,
3671                                                                   rk_fb_sysmmu_fault_handler);
3672                                 rockchip_iovmm_activate(dev_drv->dev);
3673                         } else
3674                                 dev_err(dev_drv->dev,
3675                                         "failed to get rockchip iommu device\n");
3676                 }
3677 #endif
3678                 rk_fb_alloc_buffer(main_fbi, 0);        /* only alloc memory for main fb */
3679                 if (support_uboot_display()) {
3680                         if (dev_drv->iommu_enabled) {
3681                                 rk_fb_copy_from_loader(main_fbi);
3682                                 dev_drv->ops->direct_set_addr(dev_drv, 0,
3683                                                               main_fbi->fix.smem_start);
3684                         }
3685                         return 0;
3686                 }
3687                 main_fbi->fbops->fb_set_par(main_fbi);
3688 #if  defined(CONFIG_LOGO_LINUX_BMP)
3689                 if (fb_prewine_bmp_logo(main_fbi, FB_ROTATE_UR)) {
3690                         fb_set_cmap(&main_fbi->cmap, main_fbi);
3691                         fb_show_bmp_logo(main_fbi, FB_ROTATE_UR);
3692                 }
3693 #else
3694                 if (fb_prepare_logo(main_fbi, FB_ROTATE_UR)) {
3695                         fb_set_cmap(&main_fbi->cmap, main_fbi);
3696                         fb_show_logo(main_fbi, FB_ROTATE_UR);
3697                 }
3698 #endif
3699                 main_fbi->fbops->fb_pan_display(&main_fbi->var, main_fbi);
3700         } else {
3701 #if !defined(CONFIG_ROCKCHIP_IOMMU)
3702                 struct fb_info *extend_fbi = rk_fb->fb[rk_fb->num_fb >> 1];
3703                 int extend_fb_id = get_extend_fb_id(extend_fbi);
3704                 rk_fb_alloc_buffer(extend_fbi, extend_fb_id);
3705 #endif
3706         }
3707 #endif
3708
3709         return 0;
3710
3711 }
3712
3713 int rk_fb_unregister(struct rk_lcdc_driver *dev_drv)
3714 {
3715
3716         struct rk_fb *fb_inf = platform_get_drvdata(fb_pdev);
3717         struct fb_info *fbi;
3718         int fb_index_base = dev_drv->fb_index_base;
3719         int fb_num = dev_drv->lcdc_win_num;
3720         int i = 0;
3721
3722         if (fb_inf->lcdc_dev_drv[i]->vsync_info.thread) {
3723                 fb_inf->lcdc_dev_drv[i]->vsync_info.irq_stop = 1;
3724                 kthread_stop(fb_inf->lcdc_dev_drv[i]->vsync_info.thread);
3725         }
3726
3727         for (i = 0; i < fb_num; i++)
3728                 kfree(dev_drv->win[i]);
3729
3730         for (i = fb_index_base; i < (fb_index_base + fb_num); i++) {
3731                 fbi = fb_inf->fb[i];
3732                 unregister_framebuffer(fbi);
3733                 /* rk_release_fb_buffer(fbi); */
3734                 framebuffer_release(fbi);
3735         }
3736         fb_inf->lcdc_dev_drv[dev_drv->id] = NULL;
3737         fb_inf->num_lcdc--;
3738
3739         return 0;
3740 }
3741
3742 static int rk_fb_probe(struct platform_device *pdev)
3743 {
3744         struct rk_fb *rk_fb = NULL;
3745         struct device_node *np = pdev->dev.of_node;
3746         u32 mode;
3747
3748         if (!np) {
3749                 dev_err(&pdev->dev, "Missing device tree node.\n");
3750                 return -EINVAL;
3751         }
3752
3753         rk_fb = devm_kzalloc(&pdev->dev, sizeof(struct rk_fb), GFP_KERNEL);
3754         if (!rk_fb) {
3755                 dev_err(&pdev->dev, "kmalloc for rk fb fail!");
3756                 return -ENOMEM;
3757         }
3758         platform_set_drvdata(pdev, rk_fb);
3759
3760         if (!of_property_read_u32(np, "rockchip,disp-mode", &mode)) {
3761                 rk_fb->disp_mode = mode;
3762
3763         } else {
3764                 dev_err(&pdev->dev, "no disp-mode node found!");
3765                 return -ENODEV;
3766         }
3767
3768         if (!of_property_read_u32(np, "rockchip,uboot-logo-on", &uboot_logo_on))
3769                 printk("uboot-logo-on:%d\n", uboot_logo_on);
3770
3771         dev_set_name(&pdev->dev, "rockchip-fb");
3772 #if defined(CONFIG_ION_ROCKCHIP)
3773         rk_fb->ion_client = rockchip_ion_client_create("rk_fb");
3774         if (IS_ERR(rk_fb->ion_client)) {
3775                 dev_err(&pdev->dev, "failed to create ion client for rk fb");
3776                 return PTR_ERR(rk_fb->ion_client);
3777         } else {
3778                 dev_info(&pdev->dev, "rk fb ion client create success!\n");
3779         }
3780 #endif
3781
3782         fb_pdev = pdev;
3783         dev_info(&pdev->dev, "rockchip framebuffer driver probe\n");
3784         return 0;
3785 }
3786
3787 static int rk_fb_remove(struct platform_device *pdev)
3788 {
3789         struct rk_fb *rk_fb = platform_get_drvdata(pdev);
3790         kfree(rk_fb);
3791         platform_set_drvdata(pdev, NULL);
3792         return 0;
3793 }
3794
3795 static void rk_fb_shutdown(struct platform_device *pdev)
3796 {
3797         struct rk_fb *rk_fb = platform_get_drvdata(pdev);
3798         int i;
3799         for (i = 0; i < rk_fb->num_lcdc; i++) {
3800                 if (!rk_fb->lcdc_dev_drv[i])
3801                         continue;
3802
3803         }
3804
3805 }
3806
3807 static const struct of_device_id rkfb_dt_ids[] = {
3808         {.compatible = "rockchip,rk-fb",},
3809         {}
3810 };
3811
3812 static struct platform_driver rk_fb_driver = {
3813         .probe = rk_fb_probe,
3814         .remove = rk_fb_remove,
3815         .driver = {
3816                    .name = "rk-fb",
3817                    .owner = THIS_MODULE,
3818                    .of_match_table = of_match_ptr(rkfb_dt_ids),
3819                    },
3820         .shutdown = rk_fb_shutdown,
3821 };
3822
3823 static int __init rk_fb_init(void)
3824 {
3825         return platform_driver_register(&rk_fb_driver);
3826 }
3827
3828 static void __exit rk_fb_exit(void)
3829 {
3830         platform_driver_unregister(&rk_fb_driver);
3831 }
3832
3833 fs_initcall(rk_fb_init);
3834 module_exit(rk_fb_exit);