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, disp_timing->native_mode);
 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 = NULL;
 468         struct rk_lcdc_driver *dev_drv = NULL;
 469         int i = 0;
 470
 471         if (likely(fb_pdev))
 472                 inf = platform_get_drvdata(fb_pdev);
 473         else
 474                 return NULL;
 475
 476         for (i = 0; i < inf->num_lcdc; i++) {
 477                 if (!strcmp(inf->lcdc_dev_drv[i]->name, name)) {
 478                         dev_drv = inf->lcdc_dev_drv[i];
 479                         break;
 480                 }
 481         }
 482
 483         return dev_drv;
 484 }
 485
 486 static struct rk_lcdc_driver *rk_get_prmry_lcdc_drv(void)
 487 {
 488         struct rk_fb *inf = NULL;
 489         struct rk_lcdc_driver *dev_drv = NULL;
 490         int i = 0;
 491
 492         if (likely(fb_pdev))
 493                 inf = platform_get_drvdata(fb_pdev);
 494         else
 495                 return NULL;
 496
 497         for (i = 0; i < inf->num_lcdc; i++) {
 498                 if (inf->lcdc_dev_drv[i]->prop == PRMRY) {
 499                         dev_drv = inf->lcdc_dev_drv[i];
 500                         break;
 501                 }
 502         }
 503
 504         return dev_drv;
 505 }
 506
 507 /*
 508  * get one frame time of the prmry screen, unit: us
 509  */
 510 u32 rk_fb_get_prmry_screen_ft(void)
 511 {
 512         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 513         uint32_t htotal, vtotal, pixclock_ps;
 514         u64 pix_total, ft_us;
 515
 516         if (unlikely(!dev_drv))
 517                 return 0;
 518
 519         pixclock_ps = dev_drv->pixclock;
 520
 521         vtotal = (dev_drv->cur_screen->mode.upper_margin +
 522                  dev_drv->cur_screen->mode.lower_margin +
 523                  dev_drv->cur_screen->mode.yres +
 524                  dev_drv->cur_screen->mode.vsync_len);
 525         htotal = (dev_drv->cur_screen->mode.left_margin +
 526                  dev_drv->cur_screen->mode.right_margin +
 527                  dev_drv->cur_screen->mode.xres +
 528                  dev_drv->cur_screen->mode.hsync_len);
 529         pix_total = htotal * vtotal;
 530         ft_us = pix_total * pixclock_ps;
 531         do_div(ft_us, 1000000);
 532         if (dev_drv->frame_time.ft == 0)
 533                 dev_drv->frame_time.ft = ft_us;
 534
 535         ft_us = dev_drv->frame_time.framedone_t - dev_drv->frame_time.last_framedone_t;
 536         do_div(ft_us, 1000);
 537         ft_us = min(dev_drv->frame_time.ft, (u32)ft_us);
 538         if (ft_us != 0)
 539                 dev_drv->frame_time.ft = ft_us;
 540
 541         return dev_drv->frame_time.ft;
 542 }
 543
 544 /*
 545  * get the vblanking time of the prmry screen, unit: us
 546  */
 547 u32 rk_fb_get_prmry_screen_vbt(void)
 548 {
 549         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 550         uint32_t htotal, vblank, pixclock_ps;
 551         u64 pix_blank, vbt_us;
 552
 553         if (unlikely(!dev_drv))
 554                 return 0;
 555
 556         pixclock_ps = dev_drv->pixclock;
 557
 558         htotal = (dev_drv->cur_screen->mode.left_margin +
 559                  dev_drv->cur_screen->mode.right_margin +
 560                  dev_drv->cur_screen->mode.xres +
 561                  dev_drv->cur_screen->mode.hsync_len);
 562         vblank = (dev_drv->cur_screen->mode.upper_margin +
 563                  dev_drv->cur_screen->mode.lower_margin +
 564                  dev_drv->cur_screen->mode.vsync_len);
 565         pix_blank = htotal * vblank;
 566         vbt_us = pix_blank * pixclock_ps;
 567         do_div(vbt_us, 1000000);
 568         return (u32)vbt_us;
 569 }
 570
 571 /*
 572  * get the frame done time of the prmry screen, unit: us
 573  */
 574 u64 rk_fb_get_prmry_screen_framedone_t(void)
 575 {
 576         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 577
 578         if (unlikely(!dev_drv))
 579                 return 0;
 580         else
 581                 return dev_drv->frame_time.framedone_t;
 582 }
 583
 584 /*
 585  * set prmry screen status
 586  */
 587 int rk_fb_set_prmry_screen_status(int status)
 588 {
 589         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 590         struct rk_screen *screen;
 591
 592         if (unlikely(!dev_drv))
 593                 return 0;
 594
 595         screen = dev_drv->cur_screen;
 596         switch (status) {
 597         case SCREEN_PREPARE_DDR_CHANGE:
 598                 if (screen->type == SCREEN_MIPI
 599                         || screen->type == SCREEN_DUAL_MIPI) {
 600                         if (dev_drv->trsm_ops->dsp_pwr_off)
 601                                 dev_drv->trsm_ops->dsp_pwr_off();
 602                 }
 603                 break;
 604         case SCREEN_UNPREPARE_DDR_CHANGE:
 605                 if (screen->type == SCREEN_MIPI
 606                         || screen->type == SCREEN_DUAL_MIPI) {
 607                         if (dev_drv->trsm_ops->dsp_pwr_on)
 608                                 dev_drv->trsm_ops->dsp_pwr_on();
 609                 }
 610                 break;
 611         default:
 612                 break;
 613         }
 614
 615         return 0;
 616 }
 617
 618 /*
 619  * function: this function will be called by display device,
 620  *              set cur_screen size scaler to the other screen size
 621  * @screen: the screen info that is the destination
 622  * @enable:
 623  *      0: no scaler and set the screen info as 'screen' parameter
 624  *      1: set scaler and set the src screen scaler to the dst screen
 625  */
 626 static int rk_fb_set_screen_scaler(struct rk_screen *screen, bool enable)
 627 {
 628         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 629
 630         if (unlikely(!dev_drv) || unlikely(!screen))
 631                 return -1;
 632
 633         rk_fb_set_prmry_screen_status(SCREEN_PREPARE_DDR_CHANGE);
 634         if (dev_drv->ops->set_screen_scaler)
 635                 dev_drv->ops->set_screen_scaler(dev_drv, screen, enable);
 636         if (!enable) {
 637                 memcpy(dev_drv->cur_screen, screen, sizeof(struct rk_screen));
 638                 dev_drv->ops->load_screen(dev_drv, 1);
 639         }
 640         rk_fb_set_prmry_screen_status(SCREEN_UNPREPARE_DDR_CHANGE);
 641         return 0;
 642 }
 643
 644 static struct rk_lcdc_driver *rk_get_extend_lcdc_drv(void)
 645 {
 646         struct rk_fb *inf = NULL;
 647         struct rk_lcdc_driver *dev_drv = NULL;
 648         int i = 0;
 649
 650         if (likely(fb_pdev))
 651                 inf = platform_get_drvdata(fb_pdev);
 652         else
 653                 return NULL;
 654
 655         for (i = 0; i < inf->num_lcdc; i++) {
 656                 if (inf->lcdc_dev_drv[i]->prop == EXTEND) {
 657                         dev_drv = inf->lcdc_dev_drv[i];
 658                         break;
 659                 }
 660         }
 661
 662         return dev_drv;
 663 }
 664
 665 u32 rk_fb_get_prmry_screen_pixclock(void)
 666 {
 667         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 668
 669         if (unlikely(!dev_drv))
 670                 return 0;
 671         else
 672                 return dev_drv->pixclock;
 673 }
 674
 675 int rk_fb_poll_prmry_screen_vblank(void)
 676 {
 677         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 678
 679         if (likely(dev_drv)) {
 680                 if (dev_drv->ops->poll_vblank)
 681                         return dev_drv->ops->poll_vblank(dev_drv);
 682                 else
 683                         return RK_LF_STATUS_NC;
 684         } else {
 685                 return RK_LF_STATUS_NC;
 686         }
 687 }
 688
 689 bool rk_fb_poll_wait_frame_complete(void)
 690 {
 691         uint32_t timeout = RK_LF_MAX_TIMEOUT;
 692         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 693
 694         if (likely(dev_drv)) {
 695                 if (dev_drv->ops->set_irq_to_cpu)
 696                         dev_drv->ops->set_irq_to_cpu(dev_drv, 0);
 697         }
 698
 699         if (rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_NC) {
 700                 if (likely(dev_drv)) {
 701                         if (dev_drv->ops->set_irq_to_cpu)
 702                                 dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
 703                 }
 704                 return false;
 705         }
 706         while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FR) && --timeout)
 707                 ;
 708         while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FC) && --timeout)
 709                 ;
 710         if (likely(dev_drv)) {
 711                 if (dev_drv->ops->set_irq_to_cpu)
 712                         dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
 713         }
 714
 715         return true;
 716 }
 717
 718
 719 /* rk_fb_get_sysmmu_device_by_compatible()
 720  * @compt: dts device compatible name
 721  * return value: success: pointer to the device inside of platform device
 722  *               fail: NULL
 723  */
 724 struct device *rk_fb_get_sysmmu_device_by_compatible(const char *compt)
 725 {
 726         struct device_node *dn = NULL;
 727         struct platform_device *pd = NULL;
 728         struct device *ret = NULL ;
 729
 730         dn = of_find_compatible_node(NULL, NULL, compt);
 731         if (!dn) {
 732                 printk("can't find device node %s \r\n", compt);
 733                 return NULL;
 734         }
 735
 736         pd = of_find_device_by_node(dn);
 737         if (!pd) {
 738                 printk("can't find platform device in device node %s \r\n", compt);
 739                 return  NULL;
 740         }
 741         ret = &pd->dev;
 742
 743         return ret;
 744 }
 745
 746 #ifdef CONFIG_IOMMU_API
 747 void rk_fb_platform_set_sysmmu(struct device *sysmmu, struct device *dev)
 748 {
 749         dev->archdata.iommu = sysmmu;
 750 }
 751 #else
 752 void rk_fb_platform_set_sysmmu(struct device *sysmmu, struct device *dev)
 753 {
 754
 755 }
 756 #endif
 757
 758 static int rk_fb_open(struct fb_info *info, int user)
 759 {
 760         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
 761         int win_id;
 762
 763         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
 764         dev_drv->win[win_id]->logicalstate++;
 765         /* if this win aready opened ,no need to reopen */
 766         if (dev_drv->win[win_id]->state)
 767                 return 0;
 768         else
 769                 dev_drv->ops->open(dev_drv, win_id, 1);
 770         return 0;
 771 }
 772
 773 static int get_extend_fb_id(struct fb_info *info)
 774 {
 775         int fb_id = 0;
 776         char *id = info->fix.id;
 777         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
 778
 779         if (!strcmp(id, "fb0"))
 780                 fb_id = 0;
 781         else if (!strcmp(id, "fb1"))
 782                 fb_id = 1;
 783         else if (!strcmp(id, "fb2") && (dev_drv->lcdc_win_num > 2))
 784                 fb_id = 2;
 785         return fb_id;
 786 }
 787
 788 static int rk_fb_close(struct fb_info *info, int user)
 789 {
 790         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
 791         struct rk_lcdc_win *win = NULL;
 792         int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
 793
 794         if (win_id >= 0) {
 795                 dev_drv->win[win_id]->logicalstate--;
 796                 if (!dev_drv->win[win_id]->logicalstate) {
 797                         win = dev_drv->win[win_id];
 798                         info->fix.smem_start = win->reserved;
 799                         info->var.xres = dev_drv->screen0->mode.xres;
 800                         info->var.yres = dev_drv->screen0->mode.yres;
 801                         /*
 802                         info->var.grayscale |=
 803                             (info->var.xres << 8) + (info->var.yres << 20);
 804                         */
 805                         info->var.xres_virtual = info->var.xres;
 806                         info->var.yres_virtual = info->var.yres;
 807 #if defined(CONFIG_LOGO_LINUX_BMP)
 808                         info->var.bits_per_pixel = 32;
 809 #else
 810                         info->var.bits_per_pixel = 16;
 811 #endif
 812                         info->fix.line_length =
 813                             (info->var.xres_virtual) * (info->var.bits_per_pixel >> 3);
 814                         info->var.width = dev_drv->screen0->width;
 815                         info->var.height = dev_drv->screen0->height;
 816                         info->var.pixclock = dev_drv->pixclock;
 817                         info->var.left_margin = dev_drv->screen0->mode.left_margin;
 818                         info->var.right_margin = dev_drv->screen0->mode.right_margin;
 819                         info->var.upper_margin = dev_drv->screen0->mode.upper_margin;
 820                         info->var.lower_margin = dev_drv->screen0->mode.lower_margin;
 821                         info->var.vsync_len = dev_drv->screen0->mode.vsync_len;
 822                         info->var.hsync_len = dev_drv->screen0->mode.hsync_len;
 823                 }
 824         }
 825
 826         return 0;
 827 }
 828
 829
 830 #if defined(CONFIG_RK29_IPP)
 831 static int get_ipp_format(int fmt)
 832 {
 833         int ipp_fmt = IPP_XRGB_8888;
 834         switch (fmt) {
 835         case HAL_PIXEL_FORMAT_RGBX_8888:
 836         case HAL_PIXEL_FORMAT_RGBA_8888:
 837         case HAL_PIXEL_FORMAT_BGRA_8888:
 838         case HAL_PIXEL_FORMAT_RGB_888:
 839                 ipp_fmt = IPP_XRGB_8888;
 840                 break;
 841         case HAL_PIXEL_FORMAT_RGB_565:
 842                 ipp_fmt = IPP_RGB_565;
 843                 break;
 844         case HAL_PIXEL_FORMAT_YCbCr_422_SP:
 845                 ipp_fmt = IPP_Y_CBCR_H2V1;
 846                 break;
 847         case HAL_PIXEL_FORMAT_YCrCb_NV12:
 848                 ipp_fmt = IPP_Y_CBCR_H2V2;
 849                 break;
 850         case HAL_PIXEL_FORMAT_YCrCb_444:
 851                 ipp_fmt = IPP_Y_CBCR_H1V1;
 852                 break;
 853         default:
 854                 ipp_fmt = IPP_IMGTYPE_LIMIT;
 855                 break;
 856         }
 857
 858         return ipp_fmt;
 859 }
 860
 861 static void ipp_win_check(int *dst_w, int *dst_h, int *dst_vir_w,
 862                           int rotation, int fmt)
 863 {
 864         int align16 = 2;
 865         int align64 = 8;
 866
 867         if (fmt == IPP_XRGB_8888) {
 868                 align16 = 1;
 869                 align64 = 2;
 870         } else if (fmt == IPP_RGB_565) {
 871                 align16 = 1;
 872                 align64 = 4;
 873         } else {
 874                 align16 = 2;
 875                 align64 = 8;
 876         }
 877         align16 -= 1;           /*for YUV, 1 */
 878         align64 -= 1;           /*for YUV, 7 */
 879
 880         if (rotation == IPP_ROT_0) {
 881                 if (fmt > IPP_RGB_565) {
 882                         if ((*dst_w & 1) != 0)
 883                                 *dst_w = *dst_w + 1;
 884                         if ((*dst_h & 1) != 0)
 885                                 *dst_h = *dst_h + 1;
 886                         if (*dst_vir_w < *dst_w)
 887                                 *dst_vir_w = *dst_w;
 888                 }
 889         } else {
 890                 if ((*dst_w & align64) != 0)
 891                         *dst_w = (*dst_w + align64) & (~align64);
 892                 if ((fmt > IPP_RGB_565) && ((*dst_h & 1) == 1))
 893                         *dst_h = *dst_h + 1;
 894                 if (*dst_vir_w < *dst_w)
 895                         *dst_vir_w = *dst_w;
 896         }
 897 }
 898
 899 static void fb_copy_by_ipp(struct fb_info *dst_info,
 900                            struct fb_info *src_info, int offset)
 901 {
 902         struct rk29_ipp_req ipp_req;
 903         uint32_t rotation = 0;
 904         int dst_w, dst_h, dst_vir_w;
 905         int ipp_fmt;
 906         u8 data_format = (dst_info->var.nonstd) & 0xff;
 907         struct rk_lcdc_driver *ext_dev_drv =
 908                         (struct rk_lcdc_driver *)dst_info->par;
 909         u16 orientation = ext_dev_drv->rotate_mode;
 910
 911         memset(&ipp_req, 0, sizeof(struct rk29_ipp_req));
 912
 913         switch (orientation) {
 914         case 0:
 915                 rotation = IPP_ROT_0;
 916                 break;
 917         case ROTATE_90:
 918                 rotation = IPP_ROT_90;
 919                 break;
 920         case ROTATE_180:
 921                 rotation = IPP_ROT_180;
 922                 break;
 923         case ROTATE_270:
 924                 rotation = IPP_ROT_270;
 925                 break;
 926         default:
 927                 rotation = IPP_ROT_270;
 928                 break;
 929         }
 930
 931         dst_w = dst_info->var.xres;
 932         dst_h = dst_info->var.yres;
 933         dst_vir_w = dst_info->var.xres_virtual;
 934         ipp_fmt = get_ipp_format(data_format);
 935         ipp_win_check(&dst_w, &dst_h, &dst_vir_w, rotation, ipp_fmt);
 936         ipp_req.src0.YrgbMst = src_info->fix.smem_start + offset;
 937         ipp_req.src0.w = src_info->var.xres;
 938         ipp_req.src0.h = src_info->var.yres;
 939         ipp_req.src_vir_w = src_info->var.xres_virtual;
 940         ipp_req.src0.fmt = ipp_fmt;
 941
 942         ipp_req.dst0.YrgbMst = dst_info->fix.smem_start + offset;
 943         ipp_req.dst0.w = dst_w;
 944         ipp_req.dst0.h = dst_h;
 945         ipp_req.dst_vir_w = dst_vir_w;
 946         ipp_req.dst0.fmt = ipp_fmt;
 947
 948         ipp_req.timeout = 100;
 949         ipp_req.flag = rotation;
 950         ipp_blit_sync(&ipp_req);
 951 }
 952
 953 #endif
 954
 955 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
 956 static int get_rga_format(int fmt)
 957 {
 958         int rga_fmt = 0;
 959
 960         switch (fmt) {
 961         case XBGR888:
 962                 rga_fmt = RK_FORMAT_RGBX_8888;
 963                 break;
 964         case ABGR888:
 965                 rga_fmt = RK_FORMAT_RGBA_8888;
 966                 break;
 967         case ARGB888:
 968                 rga_fmt = RK_FORMAT_BGRA_8888;
 969                 break;
 970         case RGB888:
 971                 rga_fmt = RK_FORMAT_RGB_888;
 972                 break;
 973         case RGB565:
 974                 rga_fmt = RK_FORMAT_RGB_565;
 975                 break;
 976         case YUV422:
 977                 rga_fmt = RK_FORMAT_YCbCr_422_SP;
 978                 break;
 979         case YUV420:
 980                 rga_fmt = RK_FORMAT_YCbCr_420_SP;
 981                 break;
 982         default:
 983                 rga_fmt = RK_FORMAT_RGBA_8888;
 984                 break;
 985         }
 986
 987         return rga_fmt;
 988 }
 989
 990 static void rga_win_check(struct rk_lcdc_win *dst_win,
 991                           struct rk_lcdc_win *src_win)
 992 {
 993         int align32 = 4;
 994
 995         align32 -= 1;
 996         /*width and height must be aligned by 32 bit */
 997         if ((src_win->area[0].xact & align32) != 0)
 998                 src_win->area[0].xact =
 999                     (src_win->area[0].xact + align32) & (~align32);
1000         if ((src_win->area[0].yact & align32) != 0)
1001                 src_win->area[0].yact =
1002                     (src_win->area[0].yact + align32) & (~align32);
1003         if (src_win->area[0].xvir < src_win->area[0].xact)
1004                 src_win->area[0].xvir = src_win->area[0].xact;
1005         if (src_win->area[0].yvir < src_win->area[0].yact)
1006                 src_win->area[0].yvir = src_win->area[0].yact;
1007
1008         if ((dst_win->area[0].xact & align32) != 0)
1009                 dst_win->area[0].xact =
1010                     (dst_win->area[0].xact + align32) & (~align32);
1011         if ((dst_win->area[0].yact & align32) != 0)
1012                 dst_win->area[0].yact =
1013                     (dst_win->area[0].yact + align32) & (~align32);
1014         if (dst_win->area[0].xvir < dst_win->area[0].xact)
1015                 dst_win->area[0].xvir = dst_win->area[0].xact;
1016         if (dst_win->area[0].yvir < dst_win->area[0].yact)
1017                 dst_win->area[0].yvir = dst_win->area[0].yact;
1018 }
1019
1020 static void win_copy_by_rga(struct rk_lcdc_win *dst_win,
1021                             struct rk_lcdc_win *src_win, u16 orientation)
1022 {
1023         struct rga_req Rga_Request;
1024         long ret = 0;
1025         /* int fd = 0; */
1026
1027         memset(&Rga_Request, 0, sizeof(Rga_Request));
1028         rga_win_check(dst_win, src_win);
1029
1030         switch (orientation) {
1031         case ROTATE_90:
1032                 Rga_Request.rotate_mode = 1;
1033                 Rga_Request.sina = 65536;
1034                 Rga_Request.cosa = 0;
1035                 Rga_Request.dst.act_w = dst_win->area[0].yact;
1036                 Rga_Request.dst.act_h = dst_win->area[0].xact;
1037                 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1038                 Rga_Request.dst.y_offset = 0;
1039                 break;
1040         case ROTATE_180:
1041                 Rga_Request.rotate_mode = 1;
1042                 Rga_Request.sina = 0;
1043                 Rga_Request.cosa = -65536;
1044                 Rga_Request.dst.act_w = dst_win->area[0].xact;
1045                 Rga_Request.dst.act_h = dst_win->area[0].yact;
1046                 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1047                 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1048                 break;
1049         case ROTATE_270:
1050                 Rga_Request.rotate_mode = 1;
1051                 Rga_Request.sina = -65536;
1052                 Rga_Request.cosa = 0;
1053                 Rga_Request.dst.act_w = dst_win->area[0].yact;
1054                 Rga_Request.dst.act_h = dst_win->area[0].xact;
1055                 Rga_Request.dst.x_offset = 0;
1056                 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1057                 break;
1058         default:
1059                 Rga_Request.rotate_mode = 0;
1060                 Rga_Request.dst.act_w = dst_win->area[0].xact;
1061                 Rga_Request.dst.act_h = dst_win->area[0].yact;
1062                 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1063                 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1064                 break;
1065         }
1066
1067 /*
1068         fd = ion_share_dma_buf_fd(rk_fb->ion_client, src_win->area[0].ion_hdl);
1069         Rga_Request.src.yrgb_addr = fd;
1070         fd = ion_share_dma_buf_fd(rk_fb->ion_client, dst_win->area[0].ion_hdl);
1071         Rga_Request.dst.yrgb_addr = fd;
1072 */
1073         Rga_Request.src.yrgb_addr = 0;
1074         Rga_Request.src.uv_addr =
1075             src_win->area[0].smem_start + src_win->area[0].y_offset;
1076         Rga_Request.src.v_addr = 0;
1077
1078         Rga_Request.dst.yrgb_addr = 0;
1079         Rga_Request.dst.uv_addr =
1080             dst_win->area[0].smem_start + dst_win->area[0].y_offset;
1081         Rga_Request.dst.v_addr = 0;
1082
1083         Rga_Request.src.vir_w = src_win->area[0].xvir;
1084         Rga_Request.src.vir_h = src_win->area[0].yvir;
1085         Rga_Request.src.format = get_rga_format(src_win->format);
1086         Rga_Request.src.act_w = src_win->area[0].xact;
1087         Rga_Request.src.act_h = src_win->area[0].yact;
1088         Rga_Request.src.x_offset = 0;
1089         Rga_Request.src.y_offset = 0;
1090
1091         Rga_Request.dst.vir_w = dst_win->area[0].xvir;
1092         Rga_Request.dst.vir_h = dst_win->area[0].yvir;
1093         Rga_Request.dst.format = get_rga_format(dst_win->format);
1094
1095         Rga_Request.clip.xmin = 0;
1096         Rga_Request.clip.xmax = dst_win->area[0].xact - 1;
1097         Rga_Request.clip.ymin = 0;
1098         Rga_Request.clip.ymax = dst_win->area[0].yact - 1;
1099         Rga_Request.scale_mode = 0;
1100 #if defined(CONFIG_ROCKCHIP_IOMMU)
1101         Rga_Request.mmu_info.mmu_en = 1;        /* TODO Modify for use mmu */
1102         Rga_Request.mmu_info.mmu_flag = 1;
1103 #else
1104         Rga_Request.mmu_info.mmu_en = 0;
1105         Rga_Request.mmu_info.mmu_flag = 0;
1106 #endif
1107
1108         ret = rga_ioctl_kernel(&Rga_Request);
1109 }
1110
1111 /*
1112  * This function is used for copying fb by RGA Module
1113  * RGA only support copy RGB to RGB
1114  * RGA2 support copy RGB to RGB and YUV to YUV
1115  */
1116 static void fb_copy_by_rga(struct fb_info *dst_info, struct fb_info *src_info,
1117                            int yrgb_offset)
1118 {
1119         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)src_info->par;
1120         struct rk_lcdc_driver *ext_dev_drv =
1121             (struct rk_lcdc_driver *)dst_info->par;
1122         int win_id = 0, ext_win_id;
1123         struct rk_lcdc_win *src_win, *dst_win;
1124
1125         win_id = dev_drv->ops->fb_get_win_id(dev_drv, src_info->fix.id);
1126         src_win = dev_drv->win[win_id];
1127
1128         ext_win_id =
1129             ext_dev_drv->ops->fb_get_win_id(ext_dev_drv, dst_info->fix.id);
1130         dst_win = ext_dev_drv->win[ext_win_id];
1131
1132         win_copy_by_rga(dst_win, src_win, ext_dev_drv->rotate_mode);
1133 }
1134
1135 #endif
1136
1137 static int rk_fb_rotate(struct fb_info *dst_info,
1138                         struct fb_info *src_info, int offset)
1139 {
1140 #if defined(CONFIG_RK29_IPP)
1141         fb_copy_by_ipp(dst_info, src_info, offset);
1142 #elif defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1143         fb_copy_by_rga(dst_info, src_info, offset);
1144 #else
1145         return -1;
1146 #endif
1147         return 0;
1148 }
1149
1150 static int rk_fb_win_rotate(struct rk_lcdc_win *dst_win,
1151                             struct rk_lcdc_win *src_win, u16 rotate)
1152 {
1153 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1154         win_copy_by_rga(dst_win, src_win, rotate);
1155 #else
1156         return -1;
1157 #endif
1158         return 0;
1159 }
1160
1161
1162 static int rk_fb_pan_display(struct fb_var_screeninfo *var,
1163                              struct fb_info *info)
1164 {
1165         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
1166         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
1167         struct fb_fix_screeninfo *fix = &info->fix;
1168         struct fb_info *extend_info = NULL;
1169         struct rk_lcdc_driver *extend_dev_drv = NULL;
1170         int win_id = 0, extend_win_id = 0;
1171         struct rk_lcdc_win *extend_win = NULL;
1172         struct rk_lcdc_win *win = NULL;
1173         struct rk_screen *screen = dev_drv->cur_screen;
1174         int fb_id = 0;
1175
1176         u32 xoffset = var->xoffset;
1177         u32 yoffset = var->yoffset;
1178         u32 xvir = var->xres_virtual;
1179         /* u32 yvir = var->yres_virtual; */
1180         /* u8 data_format = var->nonstd&0xff; */
1181
1182         u8 pixel_width;
1183         u32 vir_width_bit;
1184         u32 stride, uv_stride;
1185         u32 stride_32bit_1;
1186         u32 stride_32bit_2;
1187         u16 uv_x_off, uv_y_off, uv_y_act;
1188         u8 is_pic_yuv = 0;
1189
1190         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1191         if (win_id < 0)
1192                 return -ENODEV;
1193         else
1194                 win = dev_drv->win[win_id];
1195
1196         if (rk_fb->disp_mode == DUAL) {
1197                 fb_id = get_extend_fb_id(info);
1198                 extend_info = rk_fb->fb[(rk_fb->num_fb >> 1) + fb_id];
1199                 extend_dev_drv = (struct rk_lcdc_driver *)extend_info->par;
1200                 extend_win_id = dev_drv->ops->fb_get_win_id(extend_dev_drv,
1201                                                            extend_info->fix.id);
1202                 extend_win = extend_dev_drv->win[extend_win_id];
1203         }
1204
1205         pixel_width = rk_fb_pixel_width(win->format);
1206         vir_width_bit = pixel_width * xvir;
1207         /* pixel_width = byte_num * 8 */
1208         stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
1209         stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
1210
1211         switch (win->format) {
1212         case YUV422:
1213         case YUV422_A:
1214                 is_pic_yuv = 1;
1215                 stride = stride_32bit_1;
1216                 uv_stride = stride_32bit_1 >> 1;
1217                 uv_x_off = xoffset >> 1;
1218                 uv_y_off = yoffset;
1219                 fix->line_length = stride;
1220                 uv_y_act = win->area[0].yact >> 1;
1221                 break;
1222         case YUV420:            /* 420sp */
1223         case YUV420_A:
1224                 is_pic_yuv = 1;
1225                 stride = stride_32bit_1;
1226                 uv_stride = stride_32bit_1;
1227                 uv_x_off = xoffset;
1228                 uv_y_off = yoffset >> 1;
1229                 fix->line_length = stride;
1230                 uv_y_act = win->area[0].yact >> 1;
1231                 break;
1232         case YUV444:
1233         case YUV444_A:
1234                 is_pic_yuv = 1;
1235                 stride = stride_32bit_1;
1236                 uv_stride = stride_32bit_2;
1237                 uv_x_off = xoffset * 2;
1238                 uv_y_off = yoffset;
1239                 fix->line_length = stride << 2;
1240                 uv_y_act = win->area[0].yact;
1241                 break;
1242         default:
1243                 stride = stride_32bit_1;        /* default rgb */
1244                 fix->line_length = stride;
1245                 break;
1246         }
1247
1248         /* x y mirror ,jump line */
1249         if (screen->y_mirror == 1) {
1250                 if (screen->interlace == 1) {
1251                         win->area[0].y_offset = yoffset * stride * 2 +
1252                             ((win->area[0].yact - 1) * 2 + 1) * stride +
1253                             xoffset * pixel_width / 8;
1254                 } else {
1255                         win->area[0].y_offset = yoffset * stride +
1256                             (win->area[0].yact - 1) * stride +
1257                             xoffset * pixel_width / 8;
1258                 }
1259         } else {
1260                 if (screen->interlace == 1) {
1261                         win->area[0].y_offset =
1262                             yoffset * stride * 2 + xoffset * pixel_width / 8;
1263                 } else {
1264                         win->area[0].y_offset =
1265                             yoffset * stride + xoffset * pixel_width / 8;
1266                 }
1267         }
1268         if (is_pic_yuv == 1) {
1269                 if (screen->y_mirror == 1) {
1270                         if (screen->interlace == 1) {
1271                                 win->area[0].c_offset =
1272                                     uv_y_off * uv_stride * 2 +
1273                                     ((uv_y_act - 1) * 2 + 1) * uv_stride +
1274                                     uv_x_off * pixel_width / 8;
1275                         } else {
1276                                 win->area[0].c_offset = uv_y_off * uv_stride +
1277                                     (uv_y_act - 1) * uv_stride +
1278                                     uv_x_off * pixel_width / 8;
1279                         }
1280                 } else {
1281                         if (screen->interlace == 1) {
1282                                 win->area[0].c_offset =
1283                                     uv_y_off * uv_stride * 2 +
1284                                     uv_x_off * pixel_width / 8;
1285                         } else {
1286                                 win->area[0].c_offset =
1287                                     uv_y_off * uv_stride +
1288                                     uv_x_off * pixel_width / 8;
1289                         }
1290                 }
1291         }
1292
1293         win->area[0].smem_start = fix->smem_start;
1294         win->area[0].cbr_start = fix->mmio_start;
1295         win->area[0].state = 1;
1296         win->area_num = 1;
1297         win->state = 1;
1298
1299         dev_drv->ops->pan_display(dev_drv, win_id);
1300         if (rk_fb->disp_mode == DUAL) {
1301                 if (extend_win->state && (hdmi_switch_complete)) {
1302                         extend_win->area[0].y_offset = win->area[0].y_offset;
1303                         if (extend_dev_drv->rotate_mode > X_Y_MIRROR) {
1304                                 rk_fb_rotate(extend_info, info,
1305                                                 win->area[0].y_offset);
1306                         } else {
1307                                 extend_win->area[0].smem_start =
1308                                                 win->area[0].smem_start;
1309                                 extend_win->area[0].cbr_start =
1310                                                 win->area[0].cbr_start;
1311                         }
1312                         extend_dev_drv->ops->pan_display(extend_dev_drv,
1313                                                          extend_win_id);
1314                 }
1315         }
1316 #ifdef  CONFIG_FB_MIRRORING
1317         if (video_data_to_mirroring)
1318                 video_data_to_mirroring(info, NULL);
1319 #endif
1320         dev_drv->ops->cfg_done(dev_drv);
1321         return 0;
1322 }
1323
1324 static int rk_fb_get_list_stat(struct rk_lcdc_driver *dev_drv)
1325 {
1326         int i, j;
1327
1328         i = list_empty(&dev_drv->update_regs_list);
1329         j = list_empty(&saved_list);
1330         return i == j ? 0 : 1;
1331 }
1332
1333 void rk_fd_fence_wait(struct rk_lcdc_driver *dev_drv, struct sync_fence *fence)
1334 {
1335         int err = sync_fence_wait(fence, 1000);
1336
1337         if (err >= 0)
1338                 return;
1339
1340         if (err == -ETIME)
1341                 err = sync_fence_wait(fence, 10 * MSEC_PER_SEC);
1342
1343         if (err < 0)
1344                 printk("error waiting on fence\n");
1345 }
1346
1347 static int rk_fb_copy_from_loader(struct fb_info *info)
1348 {
1349         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
1350         void *dst = info->screen_base;
1351         u32 dsp_addr[4];
1352         u32 src;
1353         u32 i;
1354         struct rk_lcdc_win *win = dev_drv->win[0];
1355         u32 size = (win->area[0].xact) * (win->area[0].yact) << 2;
1356         dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1357         src = dsp_addr[0];
1358         dev_info(info->dev, "copy fb data %d x %d  from  dst_addr:%08x\n",
1359                  win->area[0].xact, win->area[0].yact, src);
1360         for (i = 0; i < size; i += PAGE_SIZE) {
1361                 void *page = phys_to_page(i + src);
1362                 void *from_virt = kmap(page);
1363                 void *to_virt = dst + i;
1364                 memcpy(to_virt, from_virt, PAGE_SIZE);
1365         }
1366         return 0;
1367 }
1368
1369 #ifdef CONFIG_ROCKCHIP_IOMMU
1370 static int g_last_addr[4];
1371 int g_last_timeout;
1372 u32 freed_addr[10];
1373 u32 freed_index;
1374
1375 #define DUMP_CHUNK 256
1376 char buf[PAGE_SIZE];
1377
1378 int rk_fb_sysmmu_fault_handler(struct device *dev,
1379                                enum rk_iommu_inttype itype,
1380                                unsigned long pgtable_base,
1381                                unsigned long fault_addr, unsigned int status)
1382 {
1383         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
1384         int i = 0;
1385         static int page_fault_cnt;
1386         if ((page_fault_cnt++) >= 10)
1387                 return 0;
1388         pr_err
1389             ("PAGE FAULT occurred at 0x%lx (Page table base: 0x%lx),status=%d\n",
1390              fault_addr, pgtable_base, status);
1391         printk("last config addr:\n" "win0:0x%08x\n" "win1:0x%08x\n"
1392                "win2:0x%08x\n" "win3:0x%08x\n", g_last_addr[0], g_last_addr[1],
1393                g_last_addr[2], g_last_addr[3]);
1394         printk("last freed buffer:\n");
1395         for (i = 0; (freed_addr[i] != 0xfefefefe) && freed_addr[i]; i++)
1396                 printk("%d:0x%08x\n", i, freed_addr[i]);
1397         printk("last timeout:%d\n", g_last_timeout);
1398         dev_drv->ops->get_disp_info(dev_drv, buf, 0);
1399         for (i = 0; i < PAGE_SIZE; i += DUMP_CHUNK) {
1400                 if ((PAGE_SIZE - i) > DUMP_CHUNK) {
1401                         char c = buf[i + DUMP_CHUNK];
1402                         buf[i + DUMP_CHUNK] = 0;
1403                         pr_cont("%s", buf + i);
1404                         buf[i + DUMP_CHUNK] = c;
1405                 } else {
1406                         buf[PAGE_SIZE - 1] = 0;
1407                         pr_cont("%s", buf + i);
1408                 }
1409         }
1410
1411         return 0;
1412 }
1413 #endif
1414
1415 void rk_fb_free_dma_buf(struct rk_lcdc_driver *dev_drv,
1416                         struct rk_fb_reg_win_data *reg_win_data)
1417 {
1418         int i, index_buf;
1419         struct rk_fb_reg_area_data *area_data;
1420         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1421
1422         for (i = 0; i < reg_win_data->area_num; i++) {
1423                 area_data = &reg_win_data->reg_area_data[i];
1424                 index_buf = area_data->index_buf;
1425 #if defined(CONFIG_ROCKCHIP_IOMMU)
1426                 if (dev_drv->iommu_enabled) {
1427                         ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client,
1428                                         area_data->ion_handle);
1429                         freed_addr[freed_index++] = area_data->smem_start;
1430                 }
1431 #endif
1432                 if (area_data->ion_handle != NULL) {
1433                         ion_unmap_kernel(rk_fb->ion_client,
1434                                          area_data->ion_handle);
1435                         ion_free(rk_fb->ion_client, area_data->ion_handle);
1436                 }
1437                 if (area_data->acq_fence)
1438                         sync_fence_put(area_data->acq_fence);
1439         }
1440         memset(reg_win_data, 0, sizeof(struct rk_fb_reg_win_data));
1441 }
1442
1443 static void rk_fb_update_driver(struct rk_lcdc_driver *dev_drv,
1444                                 struct rk_lcdc_win *win,
1445                                 struct rk_fb_reg_win_data *reg_win_data)
1446 {
1447         int i = 0;
1448         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
1449         struct rk_screen *cur_screen;
1450         struct rk_screen primary_screen;
1451
1452         if (unlikely(!inf) || unlikely(!dev_drv) ||
1453             unlikely(!win) || unlikely(!reg_win_data))
1454                 return;
1455
1456         cur_screen = dev_drv->cur_screen;
1457         rk_fb_get_prmry_screen(&primary_screen);
1458
1459         win->area_num = reg_win_data->area_num;
1460         win->format = reg_win_data->data_format;
1461         win->id = reg_win_data->win_id;
1462         win->z_order = reg_win_data->z_order;
1463
1464         if (reg_win_data->reg_area_data[0].smem_start > 0) {
1465                 win->state = 1;
1466                 win->area_num = reg_win_data->area_num;
1467                 win->format = reg_win_data->data_format;
1468                 win->id = reg_win_data->win_id;
1469                 win->z_order = reg_win_data->z_order;
1470                 win->area[0].uv_vir_stride =
1471                     reg_win_data->reg_area_data[0].uv_vir_stride;
1472                 win->area[0].cbr_start =
1473                     reg_win_data->reg_area_data[0].cbr_start;
1474                 win->area[0].c_offset = reg_win_data->reg_area_data[0].c_offset;
1475                 win->alpha_en = reg_win_data->alpha_en;
1476                 win->alpha_mode = reg_win_data->alpha_mode;
1477                 win->g_alpha_val = reg_win_data->g_alpha_val;
1478                 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
1479                         if (reg_win_data->reg_area_data[i].smem_start > 0) {
1480                                 win->area[i].smem_start =
1481                                     reg_win_data->reg_area_data[i].smem_start;
1482                                 if (inf->disp_mode == DUAL) {
1483                                         win->area[i].xpos =
1484                                                 reg_win_data->reg_area_data[i].xpos;
1485                                         win->area[i].ypos =
1486                                                 reg_win_data->reg_area_data[i].ypos;
1487                                         win->area[i].xsize =
1488                                                 reg_win_data->reg_area_data[i].xsize;
1489                                         win->area[i].ysize =
1490                                                 reg_win_data->reg_area_data[i].ysize;
1491                                 } else {
1492                                         win->area[i].xpos =
1493                                                 reg_win_data->reg_area_data[i].xpos *
1494                                                 cur_screen->mode.xres /
1495                                                 primary_screen.mode.xres;
1496                                         win->area[i].ypos =
1497                                                 reg_win_data->reg_area_data[i].ypos *
1498                                                 cur_screen->mode.yres /
1499                                                 primary_screen.mode.yres;
1500                                         win->area[i].xsize =
1501                                                 reg_win_data->reg_area_data[i].xsize *
1502                                                 cur_screen->mode.xres /
1503                                                 primary_screen.mode.xres;
1504                                         win->area[i].ysize =
1505                                                 reg_win_data->reg_area_data[i].ysize *
1506                                                 cur_screen->mode.yres /
1507                                                 primary_screen.mode.yres;
1508                                 }
1509                                 win->area[i].xact =
1510                                     reg_win_data->reg_area_data[i].xact;
1511                                 win->area[i].yact =
1512                                     reg_win_data->reg_area_data[i].yact;
1513                                 win->area[i].xvir =
1514                                     reg_win_data->reg_area_data[i].xvir;
1515                                 win->area[i].yvir =
1516                                     reg_win_data->reg_area_data[i].yvir;
1517                                 win->area[i].y_offset =
1518                                     reg_win_data->reg_area_data[i].y_offset;
1519                                 win->area[i].y_vir_stride =
1520                                     reg_win_data->reg_area_data[i].y_vir_stride;
1521                                 win->area[i].state = 1;
1522                         } else {
1523                                 win->area[i].state = 0;
1524                         }
1525                 }
1526         } else {
1527         /*
1528                 win->state = 0;
1529                 win->z_order = -1;
1530         */
1531         }
1532 }
1533
1534 static int rk_fb_update_hdmi_win(struct rk_lcdc_win *ext_win,
1535                                  struct rk_lcdc_win *win)
1536 {
1537         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1538         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
1539         struct rk_lcdc_driver *ext_dev_drv = rk_get_extend_lcdc_drv();
1540         struct rk_screen *screen;
1541         struct rk_screen *ext_screen;
1542         int hdmi_xsize;
1543         int hdmi_ysize;
1544         int pixel_width, vir_width_bit, y_stride;
1545         struct rk_lcdc_win *last_win;
1546         bool is_yuv = false;
1547         static u8 fb_index = 0;
1548
1549         if ((rk_fb->disp_mode != DUAL) ||
1550                 (hdmi_get_hotplug() != HDMI_HPD_ACTIVED) ||
1551                 (!hdmi_switch_complete)) {
1552                 printk(KERN_INFO "%s: hdmi is disconnect!\n", __func__);
1553                 return -1;
1554         }
1555
1556         if (unlikely(!dev_drv) || unlikely(!ext_dev_drv))
1557                 return -1;
1558
1559         screen = dev_drv->cur_screen;
1560         ext_screen = ext_dev_drv->cur_screen;
1561         hdmi_xsize = ext_screen->xsize;
1562         hdmi_ysize = ext_screen->ysize;
1563
1564         ext_win->state = win->state;
1565         ext_win->id = win->id;
1566         if (win->area[0].smem_start == 0)
1567                 ext_win->state = 0;
1568         if (ext_win->state == 0)
1569                 return 0;
1570
1571         ext_win->area_num = win->area_num;
1572         ext_win->format = win->format;
1573         ext_win->z_order = win->z_order;
1574         ext_win->alpha_en = win->alpha_en;
1575         ext_win->alpha_mode = win->alpha_mode;
1576         ext_win->g_alpha_val = win->g_alpha_val;
1577
1578         /* win0 and win1 have only one area and support scale
1579          * but win2 and win3 don't support scale
1580          * so hdmi only use win0 or win1
1581          */
1582         ext_win->area[0].state = win->area[0].state;
1583
1584         switch (ext_win->format) {
1585         case YUV422:
1586         case YUV420:
1587         case YUV444:
1588         case YUV422_A:
1589         case YUV420_A:
1590         case YUV444_A:
1591                 is_yuv = true;
1592                 break;
1593         default:
1594                 is_yuv = false;
1595                 break;
1596         }
1597
1598         if (ext_dev_drv->rotate_mode == ROTATE_90 ||
1599                         ext_dev_drv->rotate_mode == ROTATE_270) {
1600                 if (ext_win->id == 0) {
1601                         ext_win->area[0].smem_start =
1602                                 rk_fb->fb[rk_fb->num_fb >> 1]->fix.smem_start;
1603                         ext_win->area[0].y_offset = (get_rotate_fb_size() >> 1) * fb_index;
1604                         if ((++fb_index) > 1)
1605                                 fb_index = 0;
1606                 } else {
1607                         ext_win->area[0].y_offset = 0;
1608                         last_win = ext_dev_drv->win[ext_win->id - 1];
1609                         if (last_win->area[0].cbr_start)
1610                                 ext_win->area[0].smem_start =
1611                                         last_win->area[0].cbr_start +
1612                                         last_win->area[0].c_offset +
1613                                         last_win->area[0].xvir * last_win->area[0].yvir;
1614                         else
1615                                 ext_win->area[0].smem_start =
1616                                         last_win->area[0].smem_start +
1617                                         last_win->area[0].y_offset +
1618                                         last_win->area[0].xvir * last_win->area[0].yvir;
1619                 }
1620
1621                 ext_win->area[0].xact = win->area[0].yact;
1622                 ext_win->area[0].yact = win->area[0].xact;
1623                 ext_win->area[0].xvir = win->area[0].yact;
1624                 ext_win->area[0].yvir = win->area[0].xact;
1625                 pixel_width = rk_fb_pixel_width(ext_win->format);
1626                 vir_width_bit = pixel_width * ext_win->area[0].xvir;
1627                 y_stride = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
1628                 ext_win->area[0].y_vir_stride = y_stride >> 2;
1629         } else {
1630                 ext_win->area[0].smem_start = win->area[0].smem_start;
1631                 ext_win->area[0].y_offset = win->area[0].y_offset;
1632                 ext_win->area[0].xact = win->area[0].xact;
1633                 ext_win->area[0].yact = win->area[0].yact;
1634                 ext_win->area[0].xvir = win->area[0].xvir;
1635                 ext_win->area[0].yvir = win->area[0].yvir;
1636                 ext_win->area[0].y_vir_stride = win->area[0].y_vir_stride;
1637         }
1638
1639         if (win->area[0].xpos != 0 || win->area[0].ypos != 0) {
1640                 if (ext_dev_drv->rotate_mode == ROTATE_270) {
1641                         int xbom_pos = 0, ybom_pos = 0;
1642                         int xtop_pos = 0, ytop_pos = 0;
1643
1644                         ext_win->area[0].xsize = hdmi_xsize *
1645                                                 win->area[0].ysize /
1646                                                 screen->mode.yres;
1647                         ext_win->area[0].ysize = hdmi_ysize *
1648                                                 win->area[0].xsize /
1649                                                 screen->mode.xres;
1650                         xbom_pos = hdmi_xsize * win->area[0].ypos / screen->mode.yres;
1651                         ybom_pos = hdmi_ysize * win->area[0].xpos / screen->mode.xres;
1652                         xtop_pos = hdmi_xsize - ext_win->area[0].xsize - xbom_pos;
1653                         ytop_pos = hdmi_ysize - ext_win->area[0].ysize - ybom_pos;
1654                         ext_win->area[0].xpos =
1655                                 ((ext_screen->mode.xres - hdmi_xsize) >> 1) + xtop_pos;
1656                         ext_win->area[0].ypos =
1657                                 ((ext_screen->mode.yres - hdmi_ysize) >> 1) + ytop_pos;
1658                 } else if (ext_dev_drv->rotate_mode == ROTATE_90) {
1659                         ext_win->area[0].xsize = hdmi_xsize *
1660                                                 win->area[0].ysize /
1661                                                 screen->mode.yres;
1662                         ext_win->area[0].ysize = hdmi_ysize *
1663                                                 win->area[0].xsize /
1664                                                 screen->mode.xres;
1665                         ext_win->area[0].xpos =
1666                                 ((ext_screen->mode.xres - hdmi_xsize) >> 1) +
1667                                 hdmi_xsize * win->area[0].ypos / screen->mode.yres;
1668                         ext_win->area[0].ypos =
1669                                 ((ext_screen->mode.yres - hdmi_ysize) >> 1) +
1670                                 hdmi_ysize * win->area[0].xpos / screen->mode.xres;
1671                 } else {
1672                         ext_win->area[0].xsize = hdmi_xsize *
1673                                                 win->area[0].xsize /
1674                                                 screen->mode.xres;
1675                         ext_win->area[0].ysize = hdmi_ysize *
1676                                                 win->area[0].ysize /
1677                                                 screen->mode.yres;
1678                         ext_win->area[0].xpos =
1679                                 ((ext_screen->mode.xres - hdmi_xsize) >> 1) +
1680                                 hdmi_xsize * win->area[0].xpos / screen->mode.xres;
1681                         ext_win->area[0].ypos =
1682                                 ((ext_screen->mode.yres - hdmi_ysize) >> 1) +
1683                                 hdmi_ysize * win->area[0].ypos / screen->mode.yres;
1684                 }
1685         } else {
1686                 ext_win->area[0].xsize = hdmi_xsize;
1687                 ext_win->area[0].ysize = hdmi_ysize;
1688                 ext_win->area[0].xpos =
1689                                 (ext_screen->mode.xres - hdmi_xsize) >> 1;
1690                 ext_win->area[0].ypos =
1691                                 (ext_screen->mode.yres - hdmi_ysize) >> 1;
1692         }
1693
1694         if (!is_yuv) {
1695                 ext_win->area[0].uv_vir_stride = 0;
1696                 ext_win->area[0].cbr_start = 0;
1697                 ext_win->area[0].c_offset = 0;
1698                 return 0;
1699         }
1700
1701         if (ext_dev_drv->rotate_mode == ROTATE_90 ||
1702                 ext_dev_drv->rotate_mode == ROTATE_270) {
1703                 ext_win->area[0].uv_vir_stride = ext_win->area[0].y_vir_stride;
1704                 ext_win->area[0].cbr_start = ext_win->area[0].smem_start +
1705                                 ext_win->area[0].y_offset +
1706                                 ext_win->area[0].xvir * ext_win->area[0].yvir;
1707                 ext_win->area[0].c_offset = win->area[0].c_offset;
1708         } else {
1709                 ext_win->area[0].uv_vir_stride = win->area[0].uv_vir_stride;
1710                 ext_win->area[0].cbr_start = win->area[0].cbr_start;
1711                 ext_win->area[0].c_offset = win->area[0].c_offset;
1712         }
1713
1714         return 0;
1715 }
1716
1717 static struct rk_fb_reg_win_data *rk_fb_get_win_data(struct rk_fb_reg_data
1718                                                      *regs, int win_id)
1719 {
1720         int i;
1721         struct rk_fb_reg_win_data *win_data = NULL;
1722         for (i = 0; i < regs->win_num; i++) {
1723                 if (regs->reg_win_data[i].win_id == win_id) {
1724                         win_data = &(regs->reg_win_data[i]);
1725                         break;
1726                 }
1727         }
1728
1729         return win_data;
1730 }
1731
1732 static void rk_fb_update_reg(struct rk_lcdc_driver *dev_drv,
1733                              struct rk_fb_reg_data *regs)
1734 {
1735         int i, j;
1736         struct rk_lcdc_win *win;
1737         ktime_t timestamp = dev_drv->vsync_info.timestamp;
1738         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1739         struct rk_lcdc_driver *ext_dev_drv;
1740         struct rk_lcdc_win *ext_win;
1741         struct rk_fb_reg_win_data *win_data;
1742         bool wait_for_vsync;
1743         int count = 100;
1744         unsigned int dsp_addr[4];
1745         long timeout;
1746
1747         /* acq_fence wait */
1748         for (i = 0; i < regs->win_num; i++) {
1749                 win_data = &regs->reg_win_data[i];
1750                 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1751                         if (win_data->reg_area_data[j].acq_fence) {
1752                                 /* printk("acq_fence wait!!!!!\n"); */
1753                                 rk_fd_fence_wait(dev_drv, win_data->reg_area_data[j].acq_fence);
1754                         }
1755                 }
1756         }
1757
1758         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1759                 win = dev_drv->win[i];
1760                 win_data = rk_fb_get_win_data(regs, i);
1761                 if (win_data) {
1762                         rk_fb_update_driver(dev_drv, win, win_data);
1763                         win->state = 1;
1764                         dev_drv->ops->set_par(dev_drv, i);
1765                         dev_drv->ops->pan_display(dev_drv, i);
1766 #if defined(CONFIG_ROCKCHIP_IOMMU)
1767                         if (dev_drv->iommu_enabled) {
1768                                 g_last_addr[i] = win_data->reg_area_data[0].smem_start +
1769                                         win_data->reg_area_data[0].y_offset;
1770                         }
1771 #endif
1772                 } else {
1773                         win->z_order = -1;
1774                         win->state = 0;
1775                 }
1776         }
1777         dev_drv->ops->ovl_mgr(dev_drv, 0, 1);
1778
1779         if ((rk_fb->disp_mode == DUAL)
1780             && (hdmi_get_hotplug() == HDMI_HPD_ACTIVED)
1781             && hdmi_switch_complete) {
1782                 ext_dev_drv = rk_get_extend_lcdc_drv();
1783                 if (!ext_dev_drv) {
1784                         printk(KERN_ERR "hdmi lcdc driver not found!\n");
1785                         goto ext_win_exit;
1786                 }
1787
1788                 /* win0 and win1 have only one area and support scale
1789                  * but win2 and win3 don't support scale
1790                  * so hdmi only use win0 or win1
1791                  */
1792                 for (i = 0; i < 2; i++) {
1793                         win = dev_drv->win[i];
1794                         ext_win = ext_dev_drv->win[i];
1795                         ext_win->state = win->state;
1796                         if (!ext_win->state)
1797                                 continue;
1798
1799                         rk_fb_update_hdmi_win(ext_win, win);
1800
1801                         if (ext_dev_drv->rotate_mode > X_Y_MIRROR)
1802                                 rk_fb_win_rotate(ext_win, win,
1803                                                  ext_dev_drv->rotate_mode);
1804
1805                         ext_dev_drv->ops->set_par(ext_dev_drv, i);
1806                         ext_dev_drv->ops->pan_display(ext_dev_drv, i);
1807                 }
1808
1809                 ext_dev_drv->ops->cfg_done(ext_dev_drv);
1810         }
1811 ext_win_exit:
1812         dev_drv->ops->cfg_done(dev_drv);
1813
1814         do {
1815                 timestamp = dev_drv->vsync_info.timestamp;
1816                 timeout = wait_event_interruptible_timeout(dev_drv->vsync_info.wait,
1817                                 ktime_compare(dev_drv->vsync_info.timestamp, timestamp) > 0,
1818                                 msecs_to_jiffies(25));
1819                 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1820                 wait_for_vsync = false;
1821                 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1822                         if (dev_drv->win[i]->state == 1) {
1823                                 u32 new_start =
1824                                     dev_drv->win[i]->area[0].smem_start +
1825                                     dev_drv->win[i]->area[0].y_offset;
1826                                 u32 reg_start = dsp_addr[i];
1827
1828                                 if (unlikely(new_start != reg_start)) {
1829                                         wait_for_vsync = true;
1830                                         dev_info(dev_drv->dev,
1831                                                "win%d:new_addr:0x%08x cur_addr:0x%08x--%d\n",
1832                                                i, new_start, reg_start, 101 - count);
1833                                         break;
1834                                 }
1835                         }
1836                 }
1837         } while (wait_for_vsync && count--);
1838 #ifdef H_USE_FENCE
1839         sw_sync_timeline_inc(dev_drv->timeline, 1);
1840 #endif
1841         if (!g_first_buf) {
1842 #if defined(CONFIG_ROCKCHIP_IOMMU)
1843                 if (dev_drv->iommu_enabled) {
1844                         freed_index = 0;
1845                         g_last_timeout = timeout;
1846                 }
1847 #endif
1848                 for (i = 0; i < g_last_win_num; i++)
1849                         rk_fb_free_dma_buf(dev_drv, &g_reg_win_data[i]);
1850
1851 #if defined(CONFIG_ROCKCHIP_IOMMU)
1852                 if (dev_drv->iommu_enabled)
1853                         freed_addr[freed_index] = 0xfefefefe;
1854 #endif
1855         }
1856         for (i = 0; i < regs->win_num; i++) {
1857                 memcpy(&g_reg_win_data[i], &(regs->reg_win_data[i]),
1858                        sizeof(struct rk_fb_reg_win_data));
1859         }
1860         g_last_win_num = regs->win_num;
1861         g_first_buf = 0;
1862 }
1863
1864 static void rk_fb_update_regs_handler(struct kthread_work *work)
1865 {
1866         struct rk_lcdc_driver *dev_drv =
1867             container_of(work, struct rk_lcdc_driver, update_regs_work);
1868         struct rk_fb_reg_data *data, *next;
1869         /* struct list_head saved_list; */
1870
1871         mutex_lock(&dev_drv->update_regs_list_lock);
1872         saved_list = dev_drv->update_regs_list;
1873         list_replace_init(&dev_drv->update_regs_list, &saved_list);
1874         mutex_unlock(&dev_drv->update_regs_list_lock);
1875
1876         list_for_each_entry_safe(data, next, &saved_list, list) {
1877                 rk_fb_update_reg(dev_drv, data);
1878                 list_del(&data->list);
1879                 kfree(data);
1880         }
1881
1882         if (dev_drv->wait_fs && list_empty(&dev_drv->update_regs_list))
1883                 wake_up(&dev_drv->update_regs_wait);
1884 }
1885
1886 static int rk_fb_check_config_var(struct rk_fb_area_par *area_par,
1887                                   struct rk_screen *screen)
1888 {
1889         if ((area_par->x_offset + area_par->xact > area_par->xvir) ||
1890             (area_par->xact <= 0) || (area_par->yact <= 0) ||
1891             (area_par->xvir <= 0) || (area_par->yvir <= 0)) {
1892                 pr_err("check config var fail 0:\n"
1893                        "x_offset=%d,xact=%d,xvir=%d\n",
1894                        area_par->x_offset, area_par->xact, area_par->xvir);
1895                 return -EINVAL;
1896         }
1897
1898         if ((area_par->xpos + area_par->xsize > screen->mode.xres) ||
1899             (area_par->ypos + area_par->ysize > screen->mode.yres) ||
1900             (area_par->xsize <= 0) || (area_par->ysize <= 0)) {
1901                 pr_err("check config var fail 1:\n"
1902                        "xpos=%d,xsize=%d,xres=%d\n"
1903                        "ypos=%d,ysize=%d,yres=%d\n",
1904                        area_par->xpos, area_par->xsize, screen->mode.xres,
1905                        area_par->ypos, area_par->ysize, screen->mode.yres);
1906                 return -EINVAL;
1907         }
1908         return 0;
1909 }
1910
1911 static int rk_fb_set_win_buffer(struct fb_info *info,
1912                                 struct rk_fb_win_par *win_par,
1913                                 struct rk_fb_reg_win_data *reg_win_data)
1914 {
1915         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
1916         struct fb_fix_screeninfo *fix = &info->fix;
1917         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
1918         struct rk_screen *screen = dev_drv->cur_screen;
1919         struct rk_screen primary_screen;
1920         struct fb_info *fbi = rk_fb->fb[0];
1921         int i, ion_fd, acq_fence_fd;
1922         u32 xvir, yvir;
1923         u32 xoffset, yoffset;
1924
1925         struct ion_handle *hdl;
1926         size_t len;
1927         int index_buf;
1928         u8 fb_data_fmt;
1929         u8 pixel_width;
1930         u32 vir_width_bit;
1931         u32 stride, uv_stride;
1932         u32 stride_32bit_1;
1933         u32 stride_32bit_2;
1934         u16 uv_x_off, uv_y_off, uv_y_act;
1935         u8 is_pic_yuv = 0;
1936         u8 ppixel_a = 0, global_a = 0;
1937         ion_phys_addr_t phy_addr;
1938
1939         reg_win_data->reg_area_data[0].smem_start = -1;
1940         reg_win_data->area_num = 0;
1941         fbi = rk_fb->fb[reg_win_data->win_id];
1942         if (win_par->area_par[0].phy_addr == 0) {
1943                 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
1944                         ion_fd = win_par->area_par[i].ion_fd;
1945                         if (ion_fd > 0) {
1946                                 hdl =
1947                                     ion_import_dma_buf(rk_fb->ion_client,
1948                                                        ion_fd);
1949                                 if (IS_ERR(hdl)) {
1950                                         pr_info
1951                                             ("%s: Could not import handle: %d\n",
1952                                              __func__, (int)hdl);
1953                                         /*return -EINVAL; */
1954                                         break;
1955                                 }
1956                                 fbi->screen_base =
1957                                     ion_map_kernel(rk_fb->ion_client, hdl);
1958                                 reg_win_data->area_num++;
1959                                 reg_win_data->reg_area_data[i].ion_handle = hdl;
1960 #ifndef CONFIG_ROCKCHIP_IOMMU
1961                                 ion_phys(rk_fb->ion_client, hdl, &phy_addr,
1962                                          &len);
1963 #else
1964                                 if (dev_drv->iommu_enabled)
1965                                         ion_map_iommu(dev_drv->dev,
1966                                                       rk_fb->ion_client,
1967                                                       hdl,
1968                                                       (unsigned long *)&phy_addr,
1969                                                       (unsigned long *)&len);
1970                                 else
1971                                         ion_phys(rk_fb->ion_client, hdl,
1972                                                  &phy_addr, &len);
1973 #endif
1974                                 reg_win_data->reg_area_data[i].smem_start = phy_addr;
1975                                 reg_win_data->area_buf_num++;
1976                                 reg_win_data->reg_area_data[i].index_buf = 1;
1977                         }
1978                 }
1979         } else {
1980                 reg_win_data->reg_area_data[0].smem_start =
1981                     win_par->area_par[0].phy_addr;
1982                 reg_win_data->area_num = 1;
1983                 fbi->screen_base = phys_to_virt(win_par->area_par[0].phy_addr);
1984         }
1985
1986         if (reg_win_data->area_num == 0)
1987                 return 0;
1988
1989         for (i = 0; i < reg_win_data->area_num; i++) {
1990                 acq_fence_fd = win_par->area_par[i].acq_fence_fd;
1991                 index_buf = reg_win_data->reg_area_data[i].index_buf;
1992                 if ((acq_fence_fd > 0) && (index_buf == 1)) {
1993                         reg_win_data->reg_area_data[i].acq_fence =
1994                             sync_fence_fdget(win_par->area_par[i].acq_fence_fd);
1995                 }
1996         }
1997         fb_data_fmt = rk_fb_data_fmt(win_par->data_format, 0);
1998         reg_win_data->data_format = fb_data_fmt;
1999         pixel_width = rk_fb_pixel_width(fb_data_fmt);
2000
2001         ppixel_a = ((fb_data_fmt == ARGB888) ||
2002                     (fb_data_fmt == ABGR888)) ? 1 : 0;
2003         global_a = (win_par->g_alpha_val == 0) ? 0 : 1;
2004         reg_win_data->alpha_en = ppixel_a | global_a;
2005         reg_win_data->g_alpha_val = win_par->g_alpha_val;
2006         reg_win_data->alpha_mode = win_par->alpha_mode;
2007         if (reg_win_data->reg_area_data[0].smem_start > 0) {
2008                 reg_win_data->z_order = win_par->z_order;
2009                 reg_win_data->win_id = win_par->win_id;
2010         } else {
2011                 reg_win_data->z_order = -1;
2012                 reg_win_data->win_id = -1;
2013         }
2014
2015         rk_fb_get_prmry_screen(&primary_screen);
2016         for (i = 0; i < reg_win_data->area_num; i++) {
2017                 rk_fb_check_config_var(&win_par->area_par[i], &primary_screen);
2018                 /* visiable pos in panel */
2019                 reg_win_data->reg_area_data[i].xpos = win_par->area_par[i].xpos;
2020                 reg_win_data->reg_area_data[i].ypos = win_par->area_par[i].ypos;
2021
2022                 /* realy size in panel */
2023                 reg_win_data->reg_area_data[i].xsize = win_par->area_par[i].xsize;
2024                 reg_win_data->reg_area_data[i].ysize = win_par->area_par[i].ysize;
2025
2026                 /* realy size in panel */
2027                 reg_win_data->reg_area_data[i].xact = win_par->area_par[i].xact;
2028                 reg_win_data->reg_area_data[i].yact = win_par->area_par[i].yact;
2029
2030                 xoffset = win_par->area_par[i].x_offset;        /* buf offset */
2031                 yoffset = win_par->area_par[i].y_offset;
2032                 xvir = win_par->area_par[i].xvir;
2033                 reg_win_data->reg_area_data[i].xvir = xvir;
2034                 yvir = win_par->area_par[i].yvir;
2035                 reg_win_data->reg_area_data[i].yvir = yvir;
2036
2037                 vir_width_bit = pixel_width * xvir;
2038                 /* pixel_width = byte_num*8 */
2039                 stride_32bit_1 = ((vir_width_bit + 31) & (~31)) / 8;
2040                 stride_32bit_2 = ((vir_width_bit * 2 + 31) & (~31)) / 8;
2041
2042                 stride = stride_32bit_1;        /* default rgb */
2043                 fix->line_length = stride;
2044                 reg_win_data->reg_area_data[i].y_vir_stride = stride >> 2;
2045
2046                 /* x y mirror ,jump line
2047                  * reg_win_data->reg_area_data[i].y_offset =
2048                  *              yoffset*stride+xoffset*pixel_width/8;
2049                  */
2050                 if (screen->y_mirror == 1) {
2051                         if (screen->interlace == 1) {
2052                                 reg_win_data->reg_area_data[i].y_offset =
2053                                     yoffset * stride * 2 +
2054                                     ((reg_win_data->reg_area_data[i].yact - 1) * 2 + 1) * stride +
2055                                     xoffset * pixel_width / 8;
2056                         } else {
2057                                 reg_win_data->reg_area_data[i].y_offset =
2058                                     yoffset * stride +
2059                                     (reg_win_data->reg_area_data[i].yact - 1) * stride +
2060                                     xoffset * pixel_width / 8;
2061                         }
2062                 } else {
2063                         if (screen->interlace == 1) {
2064                                 reg_win_data->reg_area_data[i].y_offset =
2065                                     yoffset * stride * 2 +
2066                                     xoffset * pixel_width / 8;
2067                         } else {
2068                                 reg_win_data->reg_area_data[i].y_offset =
2069                                     yoffset * stride +
2070                                     xoffset * pixel_width / 8;
2071                         }
2072                 }
2073         }
2074         switch (fb_data_fmt) {
2075         case YUV422:
2076         case YUV422_A:
2077                 is_pic_yuv = 1;
2078                 stride = stride_32bit_1;
2079                 uv_stride = stride_32bit_1 >> 1;
2080                 uv_x_off = xoffset >> 1;
2081                 uv_y_off = yoffset;
2082                 fix->line_length = stride;
2083                 uv_y_act = win_par->area_par[0].yact >> 1;
2084                 break;
2085         case YUV420:            /* 420sp */
2086         case YUV420_A:
2087                 is_pic_yuv = 1;
2088                 stride = stride_32bit_1;
2089                 uv_stride = stride_32bit_1;
2090                 uv_x_off = xoffset;
2091                 uv_y_off = yoffset >> 1;
2092                 fix->line_length = stride;
2093                 uv_y_act = win_par->area_par[0].yact >> 1;
2094                 break;
2095         case YUV444:
2096         case YUV444_A:
2097                 is_pic_yuv = 1;
2098                 stride = stride_32bit_1;
2099                 uv_stride = stride_32bit_2;
2100                 uv_x_off = xoffset * 2;
2101                 uv_y_off = yoffset;
2102                 fix->line_length = stride << 2;
2103                 uv_y_act = win_par->area_par[0].yact;
2104                 break;
2105         default:
2106                 break;
2107         }
2108         if (is_pic_yuv == 1) {
2109                 reg_win_data->reg_area_data[0].cbr_start =
2110                     reg_win_data->reg_area_data[0].smem_start + xvir * yvir;
2111                 reg_win_data->reg_area_data[0].uv_vir_stride = uv_stride >> 2;
2112                 if (screen->y_mirror == 1) {
2113                         if (screen->interlace == 1) {
2114                                 reg_win_data->reg_area_data[0].c_offset =
2115                                     uv_y_off * uv_stride * 2 +
2116                                     ((uv_y_act - 1) * 2 + 1) * uv_stride +
2117                                     uv_x_off * pixel_width / 8;
2118                         } else {
2119                                 reg_win_data->reg_area_data[0].c_offset =
2120                                     uv_y_off * uv_stride +
2121                                     (uv_y_act - 1) * uv_stride +
2122                                     uv_x_off * pixel_width / 8;
2123                         }
2124                 } else {
2125                         if (screen->interlace == 1) {
2126                                 reg_win_data->reg_area_data[0].c_offset =
2127                                     uv_y_off * uv_stride * 2 +
2128                                     uv_x_off * pixel_width / 8;
2129                         } else {
2130                                 reg_win_data->reg_area_data[0].c_offset =
2131                                     uv_y_off * uv_stride +
2132                                     uv_x_off * pixel_width / 8;
2133                         }
2134                 }
2135         }
2136         return 0;
2137 }
2138
2139 static int rk_fb_set_win_config(struct fb_info *info,
2140                                 struct rk_fb_win_cfg_data *win_data)
2141 {
2142         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
2143         struct rk_fb_reg_data *regs;
2144 #ifdef H_USE_FENCE
2145         struct sync_fence *release_fence[RK_MAX_BUF_NUM];
2146         struct sync_fence *retire_fence;
2147         struct sync_pt *release_sync_pt[RK_MAX_BUF_NUM];
2148         struct sync_pt *retire_sync_pt;
2149         char fence_name[20];
2150 #endif
2151         int ret = 0, i, j = 0;
2152         int list_is_empty = 0;
2153
2154         regs = kzalloc(sizeof(struct rk_fb_reg_data), GFP_KERNEL);
2155         if (!regs) {
2156                 printk(KERN_INFO "could not allocate rk_fb_reg_data\n");
2157                 ret = -ENOMEM;
2158                 return ret;
2159         }
2160
2161 /*
2162         regs->post_cfg.xpos = win_data->post_cfg.xpos;
2163         regs->post_cfg.ypos = win_data->post_cfg.ypos;
2164         regs->post_cfg.xsize = win_data->post_cfg.xsize;
2165         regs->post_cfg.ysize = win_data->post_cfg.xsize;
2166 */
2167
2168         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
2169                 if (win_data->win_par[i].win_id < dev_drv->lcdc_win_num) {
2170                         rk_fb_set_win_buffer(info, &win_data->win_par[i],
2171                                              &regs->reg_win_data[j]);
2172                         if (regs->reg_win_data[j].area_num > 0) {
2173                                 regs->win_num++;
2174                                 regs->buf_num +=
2175                                     regs->reg_win_data[j].area_buf_num;
2176                         }
2177                         j++;
2178                 } else {
2179                         printk(KERN_INFO "error:win_id bigger than lcdc_win_num\n");
2180                         printk(KERN_INFO "i=%d,win_id=%d\n", i,
2181                                win_data->win_par[i].win_id);
2182                 }
2183         }
2184
2185         mutex_lock(&dev_drv->output_lock);
2186         if (!(dev_drv->suspend_flag == 0)) {
2187                 rk_fb_update_reg(dev_drv, regs);
2188                 kfree(regs);
2189                 printk(KERN_INFO "suspend_flag = 1\n");
2190                 goto err;
2191         }
2192
2193         dev_drv->timeline_max++;
2194 #ifdef H_USE_FENCE
2195         for (i = 0; i < RK_MAX_BUF_NUM; i++) {
2196                 if (i < regs->buf_num) {
2197                         sprintf(fence_name, "fence%d", i);
2198                         win_data->rel_fence_fd[i] = get_unused_fd();
2199                         if (win_data->rel_fence_fd[i] < 0) {
2200                                 printk(KERN_INFO "rel_fence_fd=%d\n",
2201                                        win_data->rel_fence_fd[i]);
2202                                 ret = -EFAULT;
2203                                 goto err;
2204                         }
2205                         release_sync_pt[i] =
2206                             sw_sync_pt_create(dev_drv->timeline,
2207                                               dev_drv->timeline_max);
2208                         release_fence[i] =
2209                             sync_fence_create(fence_name, release_sync_pt[i]);
2210                         sync_fence_install(release_fence[i],
2211                                            win_data->rel_fence_fd[i]);
2212                 } else {
2213                         win_data->rel_fence_fd[i] = -1;
2214                 }
2215         }
2216
2217         win_data->ret_fence_fd = get_unused_fd();
2218         if (win_data->ret_fence_fd < 0) {
2219                 printk("ret_fence_fd=%d\n", win_data->ret_fence_fd);
2220                 ret = -EFAULT;
2221                 goto err;
2222         }
2223         retire_sync_pt =
2224             sw_sync_pt_create(dev_drv->timeline, dev_drv->timeline_max);
2225         retire_fence = sync_fence_create("ret_fence", retire_sync_pt);
2226         sync_fence_install(retire_fence, win_data->ret_fence_fd);
2227 #else
2228         for (i = 0; i < RK_MAX_BUF_NUM; i++)
2229                 win_data->rel_fence_fd[i] = -1;
2230
2231         win_data->ret_fence_fd = -1;
2232 #endif
2233         if (dev_drv->wait_fs == 0) {
2234                 mutex_lock(&dev_drv->update_regs_list_lock);
2235                 list_add_tail(&regs->list, &dev_drv->update_regs_list);
2236                 mutex_unlock(&dev_drv->update_regs_list_lock);
2237                 queue_kthread_work(&dev_drv->update_regs_worker,
2238                                    &dev_drv->update_regs_work);
2239         } else {
2240                 mutex_lock(&dev_drv->update_regs_list_lock);
2241                 list_is_empty = list_empty(&dev_drv->update_regs_list) &&
2242                                         list_empty(&saved_list);
2243                 mutex_unlock(&dev_drv->update_regs_list_lock);
2244                 if (!list_is_empty) {
2245                         ret = wait_event_timeout(dev_drv->update_regs_wait,
2246                                 list_empty(&dev_drv->update_regs_list) && list_empty(&saved_list),
2247                                 msecs_to_jiffies(60));
2248                         if (ret > 0)
2249                                 rk_fb_update_reg(dev_drv, regs);
2250                         else
2251                                 printk("%s: wait update_regs_wait timeout\n", __func__);
2252                 } else if (ret == 0) {
2253                         rk_fb_update_reg(dev_drv, regs);
2254                 }
2255                 kfree(regs);
2256         }
2257
2258 err:
2259         mutex_unlock(&dev_drv->output_lock);
2260         return ret;
2261 }
2262
2263 #if 1
2264 static int cfgdone_distlist[10] = { 0 };
2265
2266 static int cfgdone_index;
2267 static int cfgdone_lasttime;
2268
2269 int rk_get_real_fps(int before)
2270 {
2271         struct timespec now;
2272         int dist_curr;
2273         int dist_total = 0;
2274         int dist_count = 0;
2275         int dist_first = 0;
2276
2277         int index = cfgdone_index;
2278         int i = 0, fps = 0;
2279         int total;
2280
2281         if (before > 100)
2282                 before = 100;
2283         if (before < 0)
2284                 before = 0;
2285
2286         getnstimeofday(&now);
2287         dist_curr = (now.tv_sec * 1000000 + now.tv_nsec / 1000) -
2288                         cfgdone_lasttime;
2289         total = dist_curr;
2290         /*
2291            printk("fps: ");
2292          */
2293         for (i = 0; i < 10; i++) {
2294                 if (--index < 0)
2295                         index = 9;
2296                 total += cfgdone_distlist[index];
2297                 if (i == 0)
2298                         dist_first = cfgdone_distlist[index];
2299                 if (total < (before * 1000)) {
2300                         /*
2301                            printk("[%d:%d] ", dist_count, cfgdone_distlist[index]);
2302                          */
2303                         dist_total += cfgdone_distlist[index];
2304                         dist_count++;
2305                 } else {
2306                         break;
2307                 }
2308         }
2309
2310         /*
2311            printk("total %d, count %d, curr %d, ", dist_total, dist_count, dist_curr);
2312          */
2313         dist_curr = (dist_curr > dist_first) ? dist_curr : dist_first;
2314         dist_total += dist_curr;
2315         dist_count++;
2316
2317         if (dist_total > 0)
2318                 fps = (1000000 * dist_count) / dist_total;
2319         else
2320                 fps = 60;
2321
2322         /*
2323            printk("curr2 %d, fps=%d\n", dist_curr, fps);
2324          */
2325         return fps;
2326 }
2327 EXPORT_SYMBOL(rk_get_real_fps);
2328
2329 #endif
2330 #ifdef CONFIG_ROCKCHIP_IOMMU
2331 #define ION_MAX 10
2332 static struct ion_handle *ion_hanle[ION_MAX];
2333 #endif
2334 static int rk_fb_ioctl(struct fb_info *info, unsigned int cmd,
2335                        unsigned long arg)
2336 {
2337         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2338         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
2339         struct fb_fix_screeninfo *fix = &info->fix;
2340         int fb_id = 0, extend_win_id = 0;
2341         struct fb_info *extend_info = NULL;
2342         struct rk_lcdc_driver *extend_dev_drv = NULL;
2343         struct rk_lcdc_win *extend_win = NULL;
2344         struct rk_lcdc_win *win;
2345         int enable;     /* enable fb:1 enable;0 disable */
2346         int ovl;        /* overlay:0 win1 on the top of win0;1,win0 on the top of win1 */
2347         int num_buf;    /* buffer_number */
2348         int ret;
2349         struct rk_fb_win_cfg_data win_data;
2350         unsigned int dsp_addr[4];
2351         int list_stat;
2352
2353         int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2354
2355         void __user *argp = (void __user *)arg;
2356         win = dev_drv->win[win_id];
2357         if (rk_fb->disp_mode == DUAL) {
2358                 fb_id = get_extend_fb_id(info);
2359                 extend_info = rk_fb->fb[(rk_fb->num_fb >> 1) + fb_id];
2360                 extend_dev_drv = (struct rk_lcdc_driver *)extend_info->par;
2361                 extend_win_id = dev_drv->ops->fb_get_win_id(extend_dev_drv,
2362                                                             extend_info->fix.id);
2363                 extend_win = extend_dev_drv->win[extend_win_id];
2364         }
2365
2366         switch (cmd) {
2367         case RK_FBIOSET_YUV_ADDR:
2368                 {
2369                         u32 yuv_phy[2];
2370
2371                         if (copy_from_user(yuv_phy, argp, 8))
2372                                 return -EFAULT;
2373                         #ifdef CONFIG_ROCKCHIP_IOMMU
2374                         if (!dev_drv->iommu_enabled || !strcmp(info->fix.id, "fb0")) {
2375                         #endif
2376                                 fix->smem_start = yuv_phy[0];
2377                                 fix->mmio_start = yuv_phy[1];
2378                         #ifdef CONFIG_ROCKCHIP_IOMMU
2379                         } else {
2380                                 int usr_fd, offset, tmp;
2381                                 struct ion_handle *hdl;
2382                                 ion_phys_addr_t phy_addr;
2383                                 size_t len;
2384
2385                                 usr_fd = yuv_phy[0];
2386                                 offset = yuv_phy[1] - yuv_phy[0];
2387
2388                                 if (!usr_fd) {
2389                                         fix->smem_start = 0;
2390                                         fix->mmio_start = 0;
2391                                         break;
2392                                 }
2393
2394                                 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2395                                 ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2396                                                 (unsigned long *)&phy_addr, (unsigned long *)&len);
2397
2398                                 fix->smem_start = phy_addr;
2399                                 fix->mmio_start = phy_addr + offset;
2400
2401                                 if (ion_hanle[ION_MAX - 1] != 0) {
2402                                         ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client, ion_hanle[ION_MAX - 1]);
2403                                         ion_free(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);
2404                                 }
2405                                 ion_hanle[0] = hdl;
2406
2407                                 for (tmp = ION_MAX - 1; tmp > 0; tmp--)
2408                                         ion_hanle[tmp] = ion_hanle[tmp - 1];
2409                                 ion_hanle[0] = 0;
2410                         }
2411                         #endif
2412                         break;
2413                 }
2414         case RK_FBIOSET_ENABLE:
2415                 if (copy_from_user(&enable, argp, sizeof(enable)))
2416                         return -EFAULT;
2417                 dev_drv->ops->open(dev_drv, win_id, enable);
2418                 break;
2419         case RK_FBIOGET_ENABLE:
2420                 enable = dev_drv->ops->get_win_state(dev_drv, win_id);
2421                 if (copy_to_user(argp, &enable, sizeof(enable)))
2422                         return -EFAULT;
2423                 break;
2424         case RK_FBIOSET_OVERLAY_STA:
2425                 if (copy_from_user(&ovl, argp, sizeof(ovl)))
2426                         return -EFAULT;
2427                 dev_drv->ops->ovl_mgr(dev_drv, ovl, 1);
2428                 break;
2429         case RK_FBIOGET_OVERLAY_STA:
2430                 ovl = dev_drv->ops->ovl_mgr(dev_drv, 0, 0);
2431                 if (copy_to_user(argp, &ovl, sizeof(ovl)))
2432                         return -EFAULT;
2433                 break;
2434         case RK_FBIOPUT_NUM_BUFFERS:
2435                 if (copy_from_user(&num_buf, argp, sizeof(num_buf)))
2436                         return -EFAULT;
2437                 dev_drv->num_buf = num_buf;
2438                 break;
2439         case RK_FBIOSET_VSYNC_ENABLE:
2440                 if (copy_from_user(&enable, argp, sizeof(enable)))
2441                         return -EFAULT;
2442                 dev_drv->vsync_info.active = enable;
2443                 break;
2444
2445         case RK_FBIOGET_DSP_ADDR:
2446                 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
2447                 if (copy_to_user(argp, &dsp_addr, sizeof(dsp_addr)))
2448                         return -EFAULT;
2449                 break;
2450         case RK_FBIOGET_LIST_STA:
2451                 list_stat = rk_fb_get_list_stat(dev_drv);
2452                 if (copy_to_user(argp, &list_stat, sizeof(list_stat)))
2453                         return -EFAULT;
2454
2455                 break;
2456         case RK_FBIOGET_IOMMU_STA:
2457                 if (copy_to_user(argp, &dev_drv->iommu_enabled,
2458                                  sizeof(dev_drv->iommu_enabled)))
2459                         return -EFAULT;
2460                 break;
2461 #if defined(CONFIG_ION_ROCKCHIP)
2462         case RK_FBIOSET_DMABUF_FD:
2463                 {
2464                         int usr_fd;
2465                         struct ion_handle *hdl;
2466                         ion_phys_addr_t phy_addr;
2467                         size_t len;
2468                         if (copy_from_user(&usr_fd, argp, sizeof(usr_fd)))
2469                                 return -EFAULT;
2470                         hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2471                         ion_phys(rk_fb->ion_client, hdl, &phy_addr, &len);
2472                         fix->smem_start = phy_addr;
2473                         break;
2474                 }
2475         case RK_FBIOGET_DMABUF_FD:
2476                 {
2477                         int fd =
2478                             ion_share_dma_buf_fd(rk_fb->ion_client,
2479                                                  win->area[0].ion_hdl);
2480                         if (fd < 0) {
2481                                 dev_err(info->dev,
2482                                         "ion_share_dma_buf_fd failed\n");
2483                                 return fd;
2484                         }
2485                         if (copy_to_user(argp, &fd, sizeof(fd)))
2486                                 return -EFAULT;
2487                         break;
2488                 }
2489 #endif
2490         case RK_FBIOSET_CLEAR_FB:
2491                 memset(info->screen_base, 0, get_fb_size());
2492                 break;
2493         case RK_FBIOSET_CONFIG_DONE:
2494                 {
2495                         int curr = 0;
2496                         struct timespec now;
2497
2498                         getnstimeofday(&now);
2499                         curr = now.tv_sec * 1000000 + now.tv_nsec / 1000;
2500                         cfgdone_distlist[cfgdone_index++] =
2501                             curr - cfgdone_lasttime;
2502                         /*
2503                            printk("%d ", curr - cfgdone_lasttime);
2504                          */
2505                         cfgdone_lasttime = curr;
2506                         if (cfgdone_index >= 10)
2507                                 cfgdone_index = 0;
2508                 }
2509                 if (copy_from_user(&win_data,
2510                                    (struct rk_fb_win_cfg_data __user *)argp,
2511                                    sizeof(win_data))) {
2512                         ret = -EFAULT;
2513                         break;
2514                 };
2515
2516                 dev_drv->wait_fs = win_data.wait_fs;
2517                 rk_fb_set_win_config(info, &win_data);
2518
2519                 if (copy_to_user((struct rk_fb_win_cfg_data __user *)arg,
2520                                  &win_data, sizeof(win_data))) {
2521                         ret = -EFAULT;
2522                         break;
2523                 }
2524                 memset(&win_data, 0, sizeof(struct rk_fb_win_cfg_data));
2525                 break;
2526         default:
2527                 dev_drv->ops->ioctl(dev_drv, cmd, arg, win_id);
2528                 break;
2529         }
2530
2531         return 0;
2532 }
2533
2534 static int rk_fb_blank(int blank_mode, struct fb_info *info)
2535 {
2536         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
2537         struct fb_fix_screeninfo *fix = &info->fix;
2538         int win_id;
2539 #if defined(CONFIG_RK_HDMI)
2540         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2541 #endif
2542
2543         win_id = dev_drv->ops->fb_get_win_id(dev_drv, fix->id);
2544         if (win_id < 0)
2545                 return -ENODEV;
2546 #if defined(CONFIG_RK_HDMI)
2547         if ((rk_fb->disp_mode == ONE_DUAL) &&
2548             (hdmi_get_hotplug() == HDMI_HPD_ACTIVED)) {
2549                 printk(KERN_INFO "hdmi is connect , not blank lcdc\n");
2550         } else
2551 #endif
2552         {
2553                 dev_drv->ops->blank(dev_drv, win_id, blank_mode);
2554         }
2555         return 0;
2556 }
2557
2558 static int rk_fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
2559 {
2560         if ((0 == var->xres_virtual) || (0 == var->yres_virtual) ||
2561             (0 == var->xres) || (0 == var->yres) || (var->xres < 16) ||
2562             ((16 != var->bits_per_pixel) &&
2563             (32 != var->bits_per_pixel) &&
2564             (24 != var->bits_per_pixel))) {
2565                 dev_err(info->dev, "%s check var fail 1:\n"
2566                         "xres_vir:%d>>yres_vir:%d\n"
2567                         "xres:%d>>yres:%d\n"
2568                         "bits_per_pixel:%d\n",
2569                         info->fix.id,
2570                         var->xres_virtual,
2571                         var->yres_virtual,
2572                         var->xres, var->yres, var->bits_per_pixel);
2573                 return -EINVAL;
2574         }
2575
2576         if (((var->xoffset + var->xres) > var->xres_virtual) ||
2577             ((var->yoffset + var->yres) > (var->yres_virtual))) {
2578                 dev_err(info->dev, "%s check_var fail 2:\n"
2579                         "xoffset:%d>>xres:%d>>xres_vir:%d\n"
2580                         "yoffset:%d>>yres:%d>>yres_vir:%d\n",
2581                         info->fix.id,
2582                         var->xoffset,
2583                         var->xres,
2584                         var->xres_virtual,
2585                         var->yoffset, var->yres, var->yres_virtual);
2586                 return -EINVAL;
2587         }
2588
2589         return 0;
2590 }
2591
2592 static ssize_t rk_fb_read(struct fb_info *info, char __user *buf,
2593                           size_t count, loff_t *ppos)
2594 {
2595         unsigned long p = *ppos;
2596         u8 *buffer, *dst;
2597         u8 __iomem *src;
2598         int c, cnt = 0, err = 0;
2599         unsigned long total_size;
2600         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
2601         struct rk_lcdc_win *win = NULL;
2602         int win_id = 0;
2603
2604         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2605         if (win_id < 0)
2606                 return -ENODEV;
2607         else
2608                 win = dev_drv->win[win_id];
2609
2610         /* only read the current frame buffer */
2611         if (win->format == RGB565) {
2612                 total_size = win->area[0].y_vir_stride * win->area[0].yact << 1;
2613         } else if (win->format == YUV420) {
2614                 total_size =
2615                     (win->area[0].y_vir_stride * win->area[0].yact * 6);
2616         } else {
2617                 total_size = win->area[0].y_vir_stride * win->area[0].yact << 2;
2618         }
2619         if (p >= total_size)
2620                 return 0;
2621
2622         if (count >= total_size)
2623                 count = total_size;
2624
2625         if (count + p > total_size)
2626                 count = total_size - p;
2627
2628         buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
2629         if (!buffer)
2630                 return -ENOMEM;
2631
2632         src = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
2633
2634         while (count) {
2635                 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
2636                 dst = buffer;
2637                 fb_memcpy_fromfb(dst, src, c);
2638                 dst += c;
2639                 src += c;
2640
2641                 if (copy_to_user(buf, buffer, c)) {
2642                         err = -EFAULT;
2643                         break;
2644                 }
2645                 *ppos += c;
2646                 buf += c;
2647                 cnt += c;
2648                 count -= c;
2649         }
2650
2651         kfree(buffer);
2652
2653         return (err) ? err : cnt;
2654 }
2655
2656 static ssize_t rk_fb_write(struct fb_info *info, const char __user *buf,
2657                            size_t count, loff_t *ppos)
2658 {
2659         unsigned long p = *ppos;
2660         u8 *buffer, *src;
2661         u8 __iomem *dst;
2662         int c, cnt = 0, err = 0;
2663         unsigned long total_size;
2664         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
2665         struct rk_lcdc_win *win = NULL;
2666         int win_id = 0;
2667
2668         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2669         if (win_id < 0)
2670                 return -ENODEV;
2671         else
2672                 win = dev_drv->win[win_id];
2673
2674         /* write the current frame buffer */
2675         if (win->format == RGB565)
2676                 total_size = win->area[0].xact * win->area[0].yact << 1;
2677         else
2678                 total_size = win->area[0].xact * win->area[0].yact << 2;
2679
2680         if (p > total_size)
2681                 return -EFBIG;
2682
2683         if (count > total_size) {
2684                 err = -EFBIG;
2685                 count = total_size;
2686         }
2687
2688         if (count + p > total_size) {
2689                 if (!err)
2690                         err = -ENOSPC;
2691
2692                 count = total_size - p;
2693         }
2694
2695         buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
2696         if (!buffer)
2697                 return -ENOMEM;
2698
2699         dst = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
2700
2701         while (count) {
2702                 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
2703                 src = buffer;
2704
2705                 if (copy_from_user(src, buf, c)) {
2706                         err = -EFAULT;
2707                         break;
2708                 }
2709
2710                 fb_memcpy_tofb(dst, src, c);
2711                 dst += c;
2712                 src += c;
2713                 *ppos += c;
2714                 buf += c;
2715                 cnt += c;
2716                 count -= c;
2717         }
2718
2719         kfree(buffer);
2720
2721         return (cnt) ? cnt : err;
2722 }
2723
2724 static int rk_fb_set_par(struct fb_info *info)
2725 {
2726         struct fb_var_screeninfo *var = &info->var;
2727         struct fb_fix_screeninfo *fix = &info->fix;
2728         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
2729         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2730         int fb_id, extend_win_id = 0;
2731         struct fb_info *extend_info = NULL;
2732         struct rk_lcdc_driver *extend_dev_drv = NULL;
2733         struct rk_lcdc_win *extend_win = NULL;
2734         struct rk_lcdc_win *win = NULL;
2735         struct rk_screen *screen = dev_drv->cur_screen;
2736         struct rk_screen screen_primary;
2737         int win_id = 0;
2738         u32 cblen = 0, crlen = 0;
2739         u16 xsize = 0, ysize = 0;       /* winx display window height/width --->LCDC_WINx_DSP_INFO */
2740         u32 xoffset = var->xoffset;     /* offset from virtual to visible */
2741         u32 yoffset = var->yoffset;
2742         u16 xpos = (var->nonstd >> 8) & 0xfff;  /*visiable pos in panel */
2743         u16 ypos = (var->nonstd >> 20) & 0xfff;
2744         u32 xvir = var->xres_virtual;
2745         u32 yvir = var->yres_virtual;
2746         u8 data_format = var->nonstd & 0xff;
2747         u8 fb_data_fmt;
2748         u8 pixel_width;
2749         u32 vir_width_bit;
2750         u32 stride, uv_stride;
2751         u32 stride_32bit_1;
2752         u32 stride_32bit_2;
2753         u16 uv_x_off, uv_y_off, uv_y_act;
2754         u8 is_pic_yuv = 0;
2755
2756         var->pixclock = dev_drv->pixclock;
2757         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2758         if (win_id < 0)
2759                 return -ENODEV;
2760         else
2761                 win = dev_drv->win[win_id];
2762         if (rk_fb->disp_mode == DUAL) {
2763                 fb_id = get_extend_fb_id(info);
2764                 extend_info = rk_fb->fb[(rk_fb->num_fb >> 1) + fb_id];
2765                 extend_dev_drv = (struct rk_lcdc_driver *)extend_info->par;
2766                 extend_win_id = dev_drv->ops->fb_get_win_id(extend_dev_drv,
2767                                                             extend_info->fix.
2768                                                             id);
2769                 extend_win = extend_dev_drv->win[extend_win_id];
2770         }
2771         /* if the application has specific the horizontal and vertical display size */
2772         if (var->grayscale >> 8) {
2773                 xsize = (var->grayscale >> 8) & 0xfff;
2774                 ysize = (var->grayscale >> 20) & 0xfff;
2775         } else {                /*ohterwise  full  screen display */
2776                 xsize = screen->mode.xres;
2777                 ysize = screen->mode.yres;
2778         }
2779
2780         /* this is for device like rk2928/rk312x,
2781          * which have one lcdc but two display outputs
2782          * save win parameter set by android
2783          */
2784         if (rk_fb->disp_mode != DUAL) {
2785                 if (screen->screen_id == 0) {
2786                         dev_drv->screen0->xsize = xsize;
2787                         dev_drv->screen0->ysize = ysize;
2788                         dev_drv->screen0->xpos = xpos;
2789                         dev_drv->screen0->ypos = ypos;
2790                 } else {
2791                         xsize = dev_drv->screen1->xsize;
2792                         ysize = dev_drv->screen1->ysize;
2793                         xpos = dev_drv->screen1->xpos;
2794                         ypos = dev_drv->screen1->ypos;
2795                 }
2796         }
2797
2798         fb_data_fmt = rk_fb_data_fmt(data_format, var->bits_per_pixel);
2799         pixel_width = rk_fb_pixel_width(fb_data_fmt);
2800         vir_width_bit = pixel_width * xvir;
2801         /* pixel_width = byte_num * 8 */
2802         stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
2803         stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
2804
2805         switch (fb_data_fmt) {
2806         case YUV422:
2807         case YUV422_A:
2808                 is_pic_yuv = 1;
2809                 stride = stride_32bit_1;
2810                 uv_stride = stride_32bit_1 >> 1;
2811                 uv_x_off = xoffset >> 1;
2812                 uv_y_off = yoffset;
2813                 fix->line_length = stride;
2814                 cblen = crlen = (xvir * yvir) >> 1;
2815                 uv_y_act = win->area[0].yact >> 1;
2816                 break;
2817         case YUV420:            /* 420sp */
2818         case YUV420_A:
2819                 is_pic_yuv = 1;
2820                 stride = stride_32bit_1;
2821                 uv_stride = stride_32bit_1;
2822                 uv_x_off = xoffset;
2823                 uv_y_off = yoffset >> 1;
2824                 fix->line_length = stride;
2825                 cblen = crlen = (xvir * yvir) >> 2;
2826                 uv_y_act = win->area[0].yact >> 1;
2827                 break;
2828         case YUV444:
2829         case YUV444_A:
2830                 is_pic_yuv = 1;
2831                 stride = stride_32bit_1;
2832                 uv_stride = stride_32bit_2;
2833                 uv_x_off = xoffset * 2;
2834                 uv_y_off = yoffset;
2835                 fix->line_length = stride << 2;
2836                 cblen = crlen = (xvir * yvir);
2837                 uv_y_act = win->area[0].yact;
2838                 break;
2839         default:
2840                 stride = stride_32bit_1;        /* default rgb */
2841                 fix->line_length = stride;
2842                 break;
2843         }
2844
2845         /* x y mirror ,jump line */
2846         if (screen->y_mirror == 1) {
2847                 if (screen->interlace == 1) {
2848                         win->area[0].y_offset = yoffset * stride * 2 +
2849                             ((win->area[0].yact - 1) * 2 + 1) * stride +
2850                             xoffset * pixel_width / 8;
2851                 } else {
2852                         win->area[0].y_offset = yoffset * stride +
2853                             (win->area[0].yact - 1) * stride +
2854                             xoffset * pixel_width / 8;
2855                 }
2856         } else {
2857                 if (screen->interlace == 1) {
2858                         win->area[0].y_offset =
2859                             yoffset * stride * 2 + xoffset * pixel_width / 8;
2860                 } else {
2861                         win->area[0].y_offset =
2862                             yoffset * stride + xoffset * pixel_width / 8;
2863                 }
2864         }
2865         if (is_pic_yuv == 1) {
2866                 if (screen->y_mirror == 1) {
2867                         if (screen->interlace == 1) {
2868                                 win->area[0].c_offset =
2869                                     uv_y_off * uv_stride * 2 +
2870                                     ((uv_y_act - 1) * 2 + 1) * uv_stride +
2871                                     uv_x_off * pixel_width / 8;
2872                         } else {
2873                                 win->area[0].c_offset = uv_y_off * uv_stride +
2874                                     (uv_y_act - 1) * uv_stride +
2875                                     uv_x_off * pixel_width / 8;
2876                         }
2877                 } else {
2878                         if (screen->interlace == 1) {
2879                                 win->area[0].c_offset =
2880                                     uv_y_off * uv_stride * 2 +
2881                                     uv_x_off * pixel_width / 8;
2882                         } else {
2883                                 win->area[0].c_offset =
2884                                     uv_y_off * uv_stride +
2885                                     uv_x_off * pixel_width / 8;
2886                         }
2887                 }
2888         }
2889
2890         rk_fb_get_prmry_screen(&screen_primary);
2891         win->format = fb_data_fmt;
2892         win->area[0].y_vir_stride = stride >> 2;
2893         win->area[0].uv_vir_stride = uv_stride >> 2;
2894         win->area[0].xpos = xpos*screen->mode.xres/screen_primary.mode.xres;
2895         win->area[0].ypos = ypos*screen->mode.yres/screen_primary.mode.yres;
2896         win->area[0].xsize = screen->mode.xres*xsize/screen_primary.mode.xres;
2897         win->area[0].ysize = screen->mode.yres*ysize/screen_primary.mode.yres;
2898         win->area[0].xact = var->xres;  /* winx active window height,is a wint of vir */
2899         win->area[0].yact = var->yres;
2900         win->area[0].xvir = var->xres_virtual;  /* virtual resolution  stride --->LCDC_WINx_VIR */
2901         win->area[0].yvir = var->yres_virtual;
2902
2903         win->area_num = 1;
2904         win->alpha_mode = 4;    /* AB_SRC_OVER; */
2905         win->alpha_en = ((win->format == ARGB888) ||
2906                          (win->format == ABGR888)) ? 1 : 0;
2907         win->g_alpha_val = 0;
2908
2909         if (rk_fb->disp_mode == DUAL) {
2910                 if (extend_win->state && (hdmi_switch_complete)) {
2911                         if (info != extend_info) {
2912                                 if (win->area[0].xact < win->area[0].yact) {
2913                                         extend_win->area[0].xact =
2914                                             win->area[0].yact;
2915                                         extend_win->area[0].yact =
2916                                             win->area[0].xact;
2917                                         extend_win->area[0].xvir =
2918                                             win->area[0].yact;
2919                                         extend_info->var.xres = var->yres;
2920                                         extend_info->var.yres = var->xres;
2921                                         extend_info->var.xres_virtual =
2922                                             var->yres;
2923                                 } else {
2924                                         extend_win->area[0].xact =
2925                                             win->area[0].xact;
2926                                         extend_win->area[0].yact =
2927                                             win->area[0].yact;
2928                                         extend_win->area[0].xvir =
2929                                             win->area[0].xvir;
2930                                         extend_info->var.xres = var->xres;
2931                                         extend_info->var.yres = var->yres;
2932                                         extend_info->var.xres_virtual =
2933                                             var->xres_virtual;
2934                                 }
2935                                 extend_win->area[0].y_vir_stride =
2936                                     win->area[0].y_vir_stride;
2937                                 extend_win->area[0].uv_vir_stride =
2938                                     win->area[0].uv_vir_stride;
2939                                 if (win->area[0].xpos != 0 ||
2940                                     win->area[0].ypos != 0) {
2941                                         extend_win->area[0].xsize =
2942                                             (extend_dev_drv->cur_screen->xsize * win->area[0].xsize) / screen->mode.xres;
2943                                         extend_win->area[0].ysize =
2944                                             (extend_dev_drv->cur_screen->ysize * win->area[0].ysize) / screen->mode.yres;
2945                                         extend_win->area[0].xpos =
2946                                             ((extend_dev_drv->cur_screen->mode.xres - extend_dev_drv->cur_screen->xsize) >> 1) +
2947                                             extend_dev_drv->cur_screen->xsize * win->area[0].xpos / screen->mode.xres;
2948                                         extend_win->area[0].ypos =
2949                                             ((extend_dev_drv->cur_screen->mode.yres - extend_dev_drv->cur_screen->ysize) >> 1) +
2950                                             extend_dev_drv->cur_screen->ysize * win->area[0].ypos / screen->mode.yres;
2951                                 } else {        /* the display image of the primary screen is full screen size */
2952                                         extend_win->area[0].xpos =
2953                                             (extend_dev_drv->cur_screen->mode.xres - extend_dev_drv->cur_screen->xsize) >> 1;
2954                                         extend_win->area[0].ypos =
2955                                             (extend_dev_drv->cur_screen->mode.yres - extend_dev_drv->cur_screen->ysize) >> 1;
2956                                         extend_win->area[0].xsize =
2957                                             extend_dev_drv->cur_screen->xsize;
2958                                         extend_win->area[0].ysize =
2959                                             extend_dev_drv->cur_screen->ysize;
2960                                 }
2961
2962                                 extend_win->area[0].state = 1;
2963                                 extend_win->area_num = 1;
2964                                 extend_win->alpha_en = 0;
2965                                 extend_win->format = win->format;
2966                                 extend_info->var.nonstd &= 0xffffff00;
2967                                 extend_info->var.nonstd |= data_format;
2968                                 extend_dev_drv->ops->set_par(extend_dev_drv,
2969                                                              extend_win_id);
2970                         }
2971                 }
2972         }
2973         dev_drv->ops->set_par(dev_drv, win_id);
2974
2975         return 0;
2976 }
2977
2978 static inline unsigned int chan_to_field(unsigned int chan,
2979                                          struct fb_bitfield *bf)
2980 {
2981         chan &= 0xffff;
2982         chan >>= 16 - bf->length;
2983         return chan << bf->offset;
2984 }
2985
2986 static int fb_setcolreg(unsigned regno,
2987                         unsigned red, unsigned green, unsigned blue,
2988                         unsigned transp, struct fb_info *info)
2989 {
2990         unsigned int val;
2991
2992         switch (info->fix.visual) {
2993         case FB_VISUAL_TRUECOLOR:
2994                 /* true-colour, use pseudo-palette */
2995                 if (regno < 16) {
2996                         u32 *pal = info->pseudo_palette;
2997                         val = chan_to_field(red, &info->var.red);
2998                         val |= chan_to_field(green, &info->var.green);
2999                         val |= chan_to_field(blue, &info->var.blue);
3000                         pal[regno] = val;
3001                 }
3002                 break;
3003         default:
3004                 return -1;      /* unknown type */
3005         }
3006
3007         return 0;
3008 }
3009
3010 static int rk_fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
3011 {
3012         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
3013         int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3014         struct rk_lcdc_win *win;
3015         win = dev_drv->win[win_id];
3016
3017         vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
3018
3019         return dma_buf_mmap(win->area[0].dma_buf, vma, 0);
3020 }
3021
3022 static struct fb_ops fb_ops = {
3023         .owner = THIS_MODULE,
3024         .fb_open = rk_fb_open,
3025         .fb_release = rk_fb_close,
3026         .fb_check_var = rk_fb_check_var,
3027         .fb_set_par = rk_fb_set_par,
3028         .fb_blank = rk_fb_blank,
3029         .fb_ioctl = rk_fb_ioctl,
3030         .fb_pan_display = rk_fb_pan_display,
3031         .fb_read = rk_fb_read,
3032         .fb_write = rk_fb_write,
3033         .fb_setcolreg = fb_setcolreg,
3034         .fb_fillrect = cfb_fillrect,
3035         .fb_copyarea = cfb_copyarea,
3036         .fb_imageblit = cfb_imageblit,
3037 };
3038
3039 static struct fb_var_screeninfo def_var = {
3040 #if defined(CONFIG_LOGO_LINUX_BMP)
3041         .red = {16, 8, 0},
3042         .green = {8, 8, 0},
3043         .blue = {0, 8, 0},
3044         .transp = {0, 0, 0},
3045         .nonstd = HAL_PIXEL_FORMAT_BGRA_8888,
3046 #else
3047         .red = {11, 5, 0},
3048         .green = {5, 6, 0},
3049         .blue = {0, 5, 0},
3050         .transp = {0, 0, 0},
3051         .nonstd = HAL_PIXEL_FORMAT_RGB_565,     /* (ypos<<20+xpos<<8+format) format */
3052 #endif
3053         .grayscale = 0,         /* (ysize<<20+xsize<<8) */
3054         .activate = FB_ACTIVATE_NOW,
3055         .accel_flags = 0,
3056         .vmode = FB_VMODE_NONINTERLACED,
3057 };
3058
3059 static struct fb_fix_screeninfo def_fix = {
3060         .type = FB_TYPE_PACKED_PIXELS,
3061         .type_aux = 0,
3062         .xpanstep = 1,
3063         .ypanstep = 1,
3064         .ywrapstep = 0,
3065         .accel = FB_ACCEL_NONE,
3066         .visual = FB_VISUAL_TRUECOLOR,
3067
3068 };
3069
3070 static int rk_fb_wait_for_vsync_thread(void *data)
3071 {
3072         struct rk_lcdc_driver *dev_drv = data;
3073         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3074         struct fb_info *fbi = rk_fb->fb[0];
3075
3076         while (!kthread_should_stop()) {
3077                 ktime_t timestamp = dev_drv->vsync_info.timestamp;
3078                 int ret = wait_event_interruptible(dev_drv->vsync_info.wait,
3079                                 !ktime_equal(timestamp, dev_drv->vsync_info.timestamp) &&
3080                                 (dev_drv->vsync_info.active || dev_drv->vsync_info.irq_stop));
3081
3082                 if (!ret)
3083                         sysfs_notify(&fbi->dev->kobj, NULL, "vsync");
3084         }
3085
3086         return 0;
3087 }
3088
3089 static ssize_t rk_fb_vsync_show(struct device *dev,
3090                                 struct device_attribute *attr, char *buf)
3091 {
3092         struct fb_info *fbi = dev_get_drvdata(dev);
3093         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)fbi->par;
3094         return scnprintf(buf, PAGE_SIZE, "%llu\n",
3095                          ktime_to_ns(dev_drv->vsync_info.timestamp));
3096 }
3097
3098 static DEVICE_ATTR(vsync, S_IRUGO, rk_fb_vsync_show, NULL);
3099
3100 /*
3101  * this two function is for other module that in the kernel which
3102  * need show image directly through fb
3103  * fb_id:we have 4 fb here,default we use fb0 for ui display
3104  */
3105 struct fb_info *rk_get_fb(int fb_id)
3106 {
3107         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3108         struct fb_info *fb = inf->fb[fb_id];
3109         return fb;
3110 }
3111 EXPORT_SYMBOL(rk_get_fb);
3112
3113 void rk_direct_fb_show(struct fb_info *fbi)
3114 {
3115         rk_fb_set_par(fbi);
3116         rk_fb_pan_display(&fbi->var, fbi);
3117 }
3118 EXPORT_SYMBOL(rk_direct_fb_show);
3119
3120 int rk_fb_dpi_open(bool open)
3121 {
3122         struct rk_lcdc_driver *dev_drv = NULL;
3123         dev_drv = rk_get_prmry_lcdc_drv();
3124
3125         if (dev_drv->ops->dpi_open)
3126                 dev_drv->ops->dpi_open(dev_drv, open);
3127         return 0;
3128 }
3129
3130 int rk_fb_dpi_win_sel(int win_id)
3131 {
3132         struct rk_lcdc_driver *dev_drv = NULL;
3133         dev_drv = rk_get_prmry_lcdc_drv();
3134
3135         if (dev_drv->ops->dpi_win_sel)
3136                 dev_drv->ops->dpi_win_sel(dev_drv, win_id);
3137         return 0;
3138 }
3139
3140 int rk_fb_dpi_status(void)
3141 {
3142         int ret = 0;
3143         struct rk_lcdc_driver *dev_drv = NULL;
3144
3145         dev_drv = rk_get_prmry_lcdc_drv();
3146         if (dev_drv->ops->dpi_status)
3147                 ret = dev_drv->ops->dpi_status(dev_drv);
3148
3149         return ret;
3150 }
3151
3152 /*
3153  * function: this function will be called to modify hdmi info according to
3154  *              pmy info for DUAL disp_mode when HDMI is used as EXTEND
3155  * @pmy_info: primary screen fb_info
3156  * @hdmi_info: hdmi screen fb_info
3157  * @screen: the hdmi screen info
3158  */
3159 static int rk_fb_hdmi_info_align(struct fb_info *pmy_info,
3160                                  struct fb_info *hdmi_info,
3161                                  struct rk_screen *screen)
3162 {
3163         struct rk_fb *inf =  platform_get_drvdata(fb_pdev);
3164         struct fb_var_screeninfo *hdmi_var = NULL;
3165         struct fb_var_screeninfo *pmy_var = NULL;
3166
3167         if(unlikely(!pmy_info) || unlikely(!hdmi_info))
3168                 return -1;
3169
3170         if (inf->disp_mode != DUAL || pmy_info == hdmi_info)
3171                 return 0;
3172
3173         pmy_var = &pmy_info->var;
3174         hdmi_var = &hdmi_info->var;
3175         if (pmy_var->xres < pmy_var->yres) {    /* vertical lcd screen */
3176                 hdmi_var->xres = pmy_var->yres;
3177                 hdmi_var->yres = pmy_var->xres;
3178                 hdmi_var->xres_virtual = pmy_var->yres;
3179         } else {
3180                 hdmi_var->xres = pmy_var->xres;
3181                 hdmi_var->yres = pmy_var->yres;
3182                 hdmi_var->xres_virtual = pmy_var->xres_virtual;
3183         }
3184
3185         /* use the same format as primary screen */
3186         hdmi_var->nonstd &= 0xffffff00;
3187         hdmi_var->nonstd |= (pmy_var->nonstd & 0xff);
3188
3189         if (screen) {
3190                 hdmi_var->grayscale &= 0xff;
3191                 hdmi_var->grayscale |= (screen->mode.xres << 8) +
3192                                         (screen->mode.yres << 20);
3193         }
3194
3195         return 0;
3196 }
3197
3198 #if 1
3199 /*
3200  * function: this function will be called by display device, enable/disable lcdc
3201  * @screen: screen timing to be set to lcdc
3202  * @enable: 0 disable lcdc; 1 enable change lcdc timing; 2 just enable dclk
3203  * @lcdc_id: the lcdc id the display device attached ,0 or 1
3204  */
3205 int rk_fb_switch_screen(struct rk_screen *screen, int enable, int lcdc_id)
3206 {
3207         struct rk_fb *rk_fb =  platform_get_drvdata(fb_pdev);
3208         struct fb_info *info = NULL;
3209         struct fb_info *pmy_info = NULL;
3210         struct rk_lcdc_driver *dev_drv = NULL;
3211         struct rk_lcdc_driver *pmy_dev_drv = rk_get_prmry_lcdc_drv();
3212         struct rk_screen primary_screen;
3213         char name[6] = {0};
3214         int i, win_id, load_screen = 0;
3215
3216         if (unlikely(!rk_fb) || unlikely(!pmy_dev_drv) || unlikely(!screen))
3217                 return -ENODEV;
3218
3219         sprintf(name, "lcdc%d", lcdc_id);
3220         if (rk_fb->disp_mode != DUAL) {
3221                 dev_drv = rk_fb->lcdc_dev_drv[0];
3222                 if (dev_drv == NULL) {
3223                         printk(KERN_ERR "%s driver not found!", name);
3224                         return -ENODEV;
3225                 }
3226                 if (dev_drv->trsm_ops && dev_drv->trsm_ops->disable)
3227                         dev_drv->trsm_ops->disable();
3228         } else {
3229                 dev_drv = rk_get_lcdc_drv(name);
3230                 if (dev_drv == NULL) {
3231                         printk(KERN_ERR "%s driver not found!", name);
3232                         return -ENODEV;
3233                 }
3234         }
3235         printk("hdmi %s lcdc%d\n", enable ? "connect to" : "remove from",
3236                dev_drv->id);
3237
3238         if (enable == 2 /*&& dev_drv->enable*/)
3239                 return 0;
3240
3241         rk_fb_get_prmry_screen(&primary_screen);
3242         if (!enable) {
3243                 /* if screen type is different, we do not disable lcdc. */
3244                 if (dev_drv->cur_screen->type != screen->type)
3245                         return 0;
3246
3247                 /* only double lcdc device or hdmi is used as primary
3248                  * need to close win
3249                  */
3250                 if (rk_fb->disp_mode == DUAL ||
3251                                 primary_screen.type == SCREEN_HDMI) {
3252                         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3253                                 /* disable the layer which attached to
3254                                  * this device
3255                                  */
3256                                 if (dev_drv->win[i] && dev_drv->win[i]->state)
3257                                         dev_drv->ops->open(dev_drv, i, 0);
3258                         }
3259                 } else {
3260                         /* switch lcdc screen to primary screen size
3261                          * when hdmi remove if disp mode is ONE DUAL
3262                          */
3263                         rk_fb_set_screen_scaler(&primary_screen, 0);
3264                         if (dev_drv->trsm_ops && dev_drv->trsm_ops->enable)
3265                                 dev_drv->trsm_ops->enable();
3266                 }
3267
3268                 hdmi_switch_complete = 0;
3269                 return 0;
3270         } else {
3271                 memcpy(dev_drv->cur_screen, screen, sizeof(struct rk_screen));
3272                 dev_drv->cur_screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3273                 dev_drv->cur_screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3274         }
3275
3276         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3277                 #ifdef DUAL_LCDC_MAP_TO_SAME_FB
3278                 info = rk_fb->fb[i];
3279                 dev_drv1 = (struct rk_lcdc_driver *)info->par;
3280                 if (dev_drv1 != dev_drv) {
3281                         info->par = dev_drv;
3282                         dev_drv->overscan = dev_drv1->overscan;
3283                         dev_drv->vsync_info.active = dev_drv1->vsync_info.active;
3284                 }
3285                 memcpy(dev_drv->cur_screen, screen, sizeof(struct rk_screen));
3286                 #else
3287                 info = rk_fb->fb[dev_drv->fb_index_base + i];
3288                 if (rk_fb->disp_mode == DUAL &&
3289                                 dev_drv != pmy_dev_drv) {
3290                         pmy_info = rk_fb->fb[pmy_dev_drv->fb_index_base + i];
3291                         rk_fb_hdmi_info_align(pmy_info, info,
3292                                                 dev_drv->cur_screen);
3293                 }
3294                 #endif
3295
3296                 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3297                 if (dev_drv->win[win_id]) {
3298                         #ifdef DUAL_LCDC_MAP_TO_SAME_FB
3299                         if (dev_drv1 && dev_drv1->win[win_id]) {
3300                                 dev_drv->win[win_id]->logicalstate = dev_drv1->win[win_id]->logicalstate;
3301                                 memcpy(dev_drv->win[win_id]->area, dev_drv1->win[win_id]->area, RK_WIN_MAX_AREA * sizeof(struct rk_lcdc_win_area));
3302                         }
3303                         #endif
3304                         if (rk_fb->disp_mode == DUAL) {
3305                                 if (dev_drv != pmy_dev_drv &&
3306                                                 pmy_dev_drv->win[win_id]) {
3307                                         dev_drv->win[win_id]->logicalstate =
3308                                                 pmy_dev_drv->win[win_id]->logicalstate;
3309                                 }
3310                         }
3311                         if (dev_drv->win[win_id]->logicalstate) {
3312                                 dev_drv->ops->open(dev_drv, win_id, 1);
3313                                 if (!load_screen) {
3314                                         dev_drv->ops->load_screen(dev_drv, 1);
3315                                         load_screen = 1;
3316                                 }
3317                                 info->var.activate |= FB_ACTIVATE_FORCE;
3318                                 info->fbops->fb_set_par(info);
3319                                 info->fbops->fb_pan_display(&info->var, info);
3320                         }
3321                 }
3322         }
3323
3324         hdmi_switch_complete = 1;
3325         if (rk_fb->disp_mode != DUAL &&
3326                         primary_screen.type != SCREEN_HDMI) {
3327                 rk_fb_set_screen_scaler(&primary_screen, 1);
3328                 if (dev_drv->trsm_ops && dev_drv->trsm_ops->enable)
3329                         dev_drv->trsm_ops->enable();
3330         }
3331         return 0;
3332 }
3333 #else
3334 /*
3335  * function:this function will be called by hdmi,when
3336  *             hdmi plug in/out
3337  * screen: the screen attached to hdmi
3338  * enable: 1,hdmi plug in,0,hdmi plug out
3339  * lcdc_id: the lcdc id the hdmi attached ,0 or 1
3340  */
3341 int rk_fb_switch_screen(struct rk_screen *screen, int enable, int lcdc_id)
3342 {
3343         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3344         struct fb_info *info = NULL;
3345         struct rk_lcdc_driver *dev_drv = NULL;
3346         struct fb_var_screeninfo *hdmi_var = NULL;
3347         struct fb_var_screeninfo *pmy_var = NULL;       /* var for primary screen */
3348         struct fb_fix_screeninfo *hdmi_fix = NULL;
3349         char name[6];
3350         int ret;
3351         int win_id;
3352 /*
3353         if (rk_fb->disp_mode != DUAL)
3354                 rk29_backlight_set(0);
3355 */
3356         sprintf(name, "lcdc%d", lcdc_id);
3357
3358         if (rk_fb->disp_mode != DUAL) {
3359                 dev_drv = rk_fb->lcdc_dev_drv[0];
3360                 if (dev_drv->trsm_ops && dev_drv->trsm_ops->disable)
3361                         dev_drv->trsm_ops->disable();
3362         } else {
3363                 dev_drv = rk_get_lcdc_drv(name);
3364                 if (dev_drv == NULL) {
3365                         printk(KERN_ERR "%s driver not found!", name);
3366                         return -ENODEV;
3367                 }
3368         }
3369         printk("hdmi %s lcdc%d\n", enable ? "connect to" : "remove from",
3370                dev_drv->id);
3371
3372         /* the main fb of lcdc drv */
3373         info = rk_fb->fb[dev_drv->fb_index_base];
3374
3375         if (dev_drv->screen1) { /* device like rk2928 ,have only one lcdc but two outputs */
3376                 if (enable) {
3377                         memcpy(dev_drv->screen1, screen,
3378                                sizeof(struct rk_screen));
3379                         dev_drv->screen1->lcdc_id = 0;  /* connect screen1 to output interface 0 */
3380                         dev_drv->screen1->screen_id = 1;
3381                         dev_drv->screen0->lcdc_id = 1;  /* connect screen0 to output interface 1 */
3382                         dev_drv->cur_screen = dev_drv->screen1;
3383                         dev_drv->screen0->ext_screen = dev_drv->screen1;
3384                         if (dev_drv->screen0->sscreen_get)
3385                                 dev_drv->screen0->sscreen_get(dev_drv->screen0,
3386                                                               dev_drv->cur_screen->hdmi_resolution);
3387
3388                 } else {
3389                         dev_drv->screen1->lcdc_id = 1;  /* connect screen1 to output interface 1 */
3390                         dev_drv->screen0->lcdc_id = 0;  /* connect screen0 to output interface 0 */
3391                         dev_drv->cur_screen = dev_drv->screen0;
3392                         if (dev_drv->screen_ctr_info &&
3393                             dev_drv->screen_ctr_info->set_screen_info)
3394                                 dev_drv->screen_ctr_info->set_screen_info(dev_drv->cur_screen,
3395                                                                   dev_drv->screen_ctr_info->lcd_info);
3396                 }
3397         } else {
3398                 if (enable)
3399                         memcpy(dev_drv->cur_screen, screen, sizeof(struct rk_screen));
3400         }
3401
3402         dev_drv->cur_screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3403         dev_drv->cur_screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3404
3405         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3406
3407         if (!enable && !dev_drv->screen1) {     /* only double lcdc device need to close */
3408                 if (dev_drv->win[win_id]->state)
3409                         dev_drv->ops->open(dev_drv, win_id, enable);    /* disable the win which attached to this fb */
3410                 hdmi_switch_complete = 0;
3411
3412                 return 0;
3413         }
3414
3415         hdmi_var = &info->var;
3416         hdmi_fix = &info->fix;
3417         if (rk_fb->disp_mode == DUAL) {
3418                 if (likely(rk_fb->num_lcdc == 2)) {
3419                         pmy_var = &rk_fb->fb[0]->var;
3420                         set_xact_yact_for_hdmi(pmy_var, hdmi_var);
3421                         hdmi_var->nonstd &= 0xffffff00;
3422                         hdmi_var->nonstd |= (pmy_var->nonstd & 0xff);   /* use the same format as primary screen */
3423                 } else {
3424                         printk(KERN_WARNING
3425                                "%s>>only one lcdc,dual display no supported!",
3426                                __func__);
3427                 }
3428         }
3429         hdmi_var->grayscale &= 0xff;
3430         hdmi_var->grayscale |=
3431             (dev_drv->cur_screen->mode.xres << 8) + (dev_drv->cur_screen->mode.yres << 20);
3432         if (dev_drv->screen1) { /* device like rk2928,whic have one lcdc but two outputs */
3433                 /*
3434                 info->var.nonstd &= 0xff;
3435                 info->var.nonstd |= (dev_drv->cur_screen->mode.xpos<<8) + (dev_drv->cur_screen->mode.ypos<<20);
3436                 info->var.grayscale &= 0xff;
3437                 info->var.grayscale |= (dev_drv->cur_screen->mode.x_res<<8) + (dev_drv->cur_screen->mode.y_res<<20);
3438                 */
3439                 dev_drv->screen1->xsize = dev_drv->cur_screen->mode.xres;
3440                 dev_drv->screen1->ysize = dev_drv->cur_screen->mode.yres;
3441                 dev_drv->screen1->xpos = 0;
3442                 dev_drv->screen1->ypos = 0;
3443         }
3444
3445         ret = info->fbops->fb_open(info, 1);
3446         dev_drv->ops->load_screen(dev_drv, 1);
3447         ret = info->fbops->fb_set_par(info);
3448         if (dev_drv->ops->lcdc_hdmi_process)
3449                 dev_drv->ops->lcdc_hdmi_process(dev_drv, enable);
3450
3451         hdmi_switch_complete = enable;
3452         info->fbops->fb_pan_display(hdmi_var, info);
3453
3454         if (dev_drv->screen1) {
3455                 if (dev_drv->screen0->sscreen_set) {
3456                         /*
3457                         dev_drv->ops->blank(dev_drv, 0, FB_BLANK_NORMAL);
3458                         msleep(100);
3459                         */
3460                         dev_drv->screen0->sscreen_set(dev_drv->screen0, enable);
3461                         /*
3462                         dev_drv->ops->blank(dev_drv, 0, FB_BLANK_UNBLANK);
3463                         */
3464                 }
3465         }
3466
3467         /* info->fbops->fb_ioctl(info, RK_FBIOSET_CONFIG_DONE, 0); */
3468
3469         if (rk_fb->disp_mode != DUAL) {
3470                 /* rk29_backlight_set(1); */
3471                 if (dev_drv->trsm_ops && dev_drv->trsm_ops->enable)
3472                         dev_drv->trsm_ops->enable();
3473         }
3474         return 0;
3475 }
3476 #endif
3477 /*
3478  * function:this function current only called by hdmi for
3479  *      scale the display
3480  * scale_x: scale rate of x resolution
3481  * scale_y: scale rate of y resolution
3482  * lcdc_id: the lcdc id the hdmi attached ,0 or 1
3483  */
3484 int rk_fb_disp_scale(u8 scale_x, u8 scale_y, u8 lcdc_id)
3485 {
3486         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3487         struct fb_info *info = NULL;
3488         struct fb_var_screeninfo *var = NULL;
3489         struct rk_lcdc_driver *dev_drv = NULL;
3490         u16 screen_x, screen_y;
3491         u16 xpos, ypos;
3492         char name[6];
3493         struct rk_screen primary_screen;
3494         rk_fb_get_prmry_screen(&primary_screen);
3495         if (primary_screen.type == SCREEN_HDMI) {
3496                 return 0;
3497         }
3498
3499         sprintf(name, "lcdc%d", lcdc_id);
3500
3501         if (inf->disp_mode == DUAL) {
3502                 dev_drv = rk_get_lcdc_drv(name);
3503                 if (dev_drv == NULL) {
3504                         printk(KERN_ERR "%s driver not found!", name);
3505                         return -ENODEV;
3506                 }
3507         } else {
3508                 dev_drv = inf->lcdc_dev_drv[0];
3509         }
3510
3511         if (inf->num_lcdc == 1)
3512                 info = inf->fb[0];
3513         else if (inf->num_lcdc == 2)
3514                 info = inf->fb[dev_drv->lcdc_win_num];
3515
3516         var = &info->var;
3517         screen_x = dev_drv->cur_screen->mode.xres;
3518         screen_y = dev_drv->cur_screen->mode.yres;
3519
3520         if (inf->disp_mode != DUAL &&
3521                         dev_drv->cur_screen->screen_id == 1) {
3522                 dev_drv->cur_screen->xpos =
3523                     (screen_x - screen_x * scale_x / 100) >> 1;
3524                 dev_drv->cur_screen->ypos =
3525                     (screen_y - screen_y * scale_y / 100) >> 1;
3526                 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3527                 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3528         } else {
3529                 xpos = (screen_x - screen_x * scale_x / 100) >> 1;
3530                 ypos = (screen_y - screen_y * scale_y / 100) >> 1;
3531                 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3532                 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3533                 var->nonstd &= 0xff;
3534                 var->nonstd |= (xpos << 8) + (ypos << 20);
3535                 var->grayscale &= 0xff;
3536                 var->grayscale |=
3537                     (dev_drv->cur_screen->xsize << 8) + (dev_drv->cur_screen->ysize << 20);
3538         }
3539
3540         info->fbops->fb_set_par(info);
3541         /* info->fbops->fb_ioctl(info, RK_FBIOSET_CONFIG_DONE, 0); */
3542         dev_drv->ops->cfg_done(dev_drv);
3543         return 0;
3544 }
3545
3546 #if defined(CONFIG_ION_ROCKCHIP)
3547 static int rk_fb_alloc_buffer_by_ion(struct fb_info *fbi,
3548                                      struct rk_lcdc_win *win,
3549                                      unsigned long fb_mem_size)
3550 {
3551         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3552         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)fbi->par;
3553         struct ion_handle *handle;
3554         ion_phys_addr_t phy_addr;
3555         size_t len;
3556
3557         if (dev_drv->iommu_enabled)
3558                 handle = ion_alloc(rk_fb->ion_client, (size_t) fb_mem_size, 0,
3559                                    ION_HEAP(ION_VMALLOC_HEAP_ID), 0);
3560         else
3561                 handle = ion_alloc(rk_fb->ion_client, (size_t) fb_mem_size, 0,
3562                                    ION_HEAP(ION_CMA_HEAP_ID), 0);
3563         if (IS_ERR(handle)) {
3564                 dev_err(fbi->device, "failed to ion_alloc:%ld\n",
3565                         PTR_ERR(handle));
3566                 return -ENOMEM;
3567         }
3568         win->area[0].dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3569         if (IS_ERR_OR_NULL(win->area[0].dma_buf)) {
3570                 printk("ion_share_dma_buf() failed\n");
3571                 goto err_share_dma_buf;
3572         }
3573         win->area[0].ion_hdl = handle;
3574         if (dev_drv->prop == PRMRY)
3575                 fbi->screen_base = ion_map_kernel(rk_fb->ion_client, handle);
3576 #ifdef CONFIG_ROCKCHIP_IOMMU
3577         if (dev_drv->iommu_enabled)
3578                 ion_map_iommu(dev_drv->dev, rk_fb->ion_client, handle,
3579                               (unsigned long *)&phy_addr,
3580                               (unsigned long *)&len);
3581         else
3582                 ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3583 #else
3584         ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3585 #endif
3586         fbi->fix.smem_start = phy_addr;
3587         fbi->fix.smem_len = len;
3588         printk(KERN_INFO "alloc_buffer:ion_phy_addr=0x%lx\n", phy_addr);
3589         return 0;
3590
3591 err_share_dma_buf:
3592         ion_free(rk_fb->ion_client, handle);
3593         return -ENOMEM;
3594 }
3595 #endif
3596
3597 static int rk_fb_alloc_buffer(struct fb_info *fbi, int fb_id)
3598 {
3599         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3600         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)fbi->par;
3601         struct rk_lcdc_win *win = NULL;
3602         int win_id;
3603         int ret = 0;
3604         unsigned long fb_mem_size;
3605 #if !defined(CONFIG_ION_ROCKCHIP)
3606         dma_addr_t fb_mem_phys;
3607         void *fb_mem_virt;
3608 #endif
3609
3610         win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
3611         if (win_id < 0)
3612                 return -ENODEV;
3613         else
3614                 win = dev_drv->win[win_id];
3615
3616         if (!strcmp(fbi->fix.id, "fb0")) {
3617                 fb_mem_size = get_fb_size();
3618 #if defined(CONFIG_ION_ROCKCHIP)
3619                 if (rk_fb_alloc_buffer_by_ion(fbi, win, fb_mem_size) < 0)
3620                         return -ENOMEM;
3621 #else
3622                 fb_mem_virt = dma_alloc_writecombine(fbi->dev, fb_mem_size,
3623                                                      &fb_mem_phys, GFP_KERNEL);
3624                 if (!fb_mem_virt) {
3625                         pr_err("%s: Failed to allocate framebuffer\n",
3626                                __func__);
3627                         return -ENOMEM;
3628                 }
3629                 fbi->fix.smem_len = fb_mem_size;
3630                 fbi->fix.smem_start = fb_mem_phys;
3631                 fbi->screen_base = fb_mem_virt;
3632 #endif
3633                 memset(fbi->screen_base, 0, fbi->fix.smem_len);
3634                 printk(KERN_INFO "fb%d:phy:%lx>>vir:%p>>len:0x%x\n", fb_id,
3635                        fbi->fix.smem_start, fbi->screen_base,
3636                        fbi->fix.smem_len);
3637         } else {
3638                 if (dev_drv->rotate_mode > X_Y_MIRROR) {
3639                         fb_mem_size = get_rotate_fb_size();
3640 #if defined(CONFIG_ION_ROCKCHIP)
3641                         if (rk_fb_alloc_buffer_by_ion(fbi, win, fb_mem_size) < 0)
3642                                 return -ENOMEM;
3643 #else
3644                         fb_mem_virt =
3645                                 dma_alloc_writecombine(fbi->dev,
3646                                                        fb_mem_size,
3647                                                        &fb_mem_phys,
3648                                                        GFP_KERNEL);
3649                         if (!fb_mem_virt) {
3650                                 pr_err("%s: Failed to allocate framebuffer\n",
3651                                         __func__);
3652                                 return -ENOMEM;
3653                         }
3654                         fbi->fix.smem_len = fb_mem_size;
3655                         fbi->fix.smem_start = fb_mem_phys;
3656                         fbi->screen_base = fb_mem_virt;
3657 #endif
3658                 } else {
3659                         fbi->fix.smem_start = rk_fb->fb[0]->fix.smem_start;
3660                         fbi->fix.smem_len = rk_fb->fb[0]->fix.smem_len;
3661                         fbi->screen_base = rk_fb->fb[0]->screen_base;
3662                 }
3663
3664                 printk(KERN_INFO "fb%d:phy:%lx>>vir:%p>>len:0x%x\n", fb_id,
3665                        fbi->fix.smem_start, fbi->screen_base,
3666                        fbi->fix.smem_len);
3667         }
3668
3669         fbi->screen_size = fbi->fix.smem_len;
3670         win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
3671         if (win_id >= 0) {
3672                 win = dev_drv->win[win_id];
3673                 win->reserved = fbi->fix.smem_start;
3674         }
3675
3676         return ret;
3677 }
3678
3679 #if 0
3680 static int rk_release_fb_buffer(struct fb_info *fbi)
3681 {
3682         /* buffer for fb1 and fb3 are alloc by android */
3683         if (!strcmp(fbi->fix.id, "fb1") || !strcmp(fbi->fix.id, "fb3"))
3684                 return 0;
3685         iounmap(fbi->screen_base);
3686         release_mem_region(fbi->fix.smem_start, fbi->fix.smem_len);
3687         return 0;
3688 }
3689 #endif
3690
3691 static int init_lcdc_win(struct rk_lcdc_driver *dev_drv,
3692                          struct rk_lcdc_win *def_win)
3693 {
3694         int i;
3695         int lcdc_win_num = dev_drv->lcdc_win_num;
3696
3697         for (i = 0; i < lcdc_win_num; i++) {
3698                 struct rk_lcdc_win *win = NULL;
3699                 win = kzalloc(sizeof(struct rk_lcdc_win), GFP_KERNEL);
3700                 if (!win) {
3701                         dev_err(dev_drv->dev, "kzmalloc for win fail!");
3702                         return -ENOMEM;
3703                 }
3704
3705                 strcpy(win->name, def_win[i].name);
3706                 win->id = def_win[i].id;
3707                 win->support_3d = def_win[i].support_3d;
3708                 dev_drv->win[i] = win;
3709         }
3710
3711         return 0;
3712 }
3713
3714 static int init_lcdc_device_driver(struct rk_fb *rk_fb,
3715                                    struct rk_lcdc_win *def_win, int index)
3716 {
3717         struct rk_lcdc_driver *dev_drv = rk_fb->lcdc_dev_drv[index];
3718         struct rk_screen *screen = devm_kzalloc(dev_drv->dev,
3719                                                 sizeof(struct rk_screen),
3720                                                 GFP_KERNEL);
3721
3722         if (!screen) {
3723                 dev_err(dev_drv->dev, "malloc screen for lcdc%d fail!",
3724                         dev_drv->id);
3725                 return -ENOMEM;
3726         }
3727
3728         screen->screen_id = 0;
3729         screen->lcdc_id = dev_drv->id;
3730         screen->overscan.left = 100;
3731         screen->overscan.top = 100;
3732         screen->overscan.right = 100;
3733         screen->overscan.bottom = 100;
3734
3735         screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3736         screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3737
3738         dev_drv->screen0 = screen;
3739         dev_drv->cur_screen = screen;
3740         /* devie use one lcdc + rk61x scaler for dual display */
3741         if (rk_fb->disp_mode == ONE_DUAL) {
3742                 /*
3743                 struct rk_screen *screen1 =
3744                                 devm_kzalloc(dev_drv->dev,
3745                                              sizeof(struct rk_screen),
3746                                              GFP_KERNEL);
3747                 if (!screen1) {
3748                         dev_err(dev_drv->dev, "malloc screen1 for lcdc%d fail!",
3749                                 dev_drv->id);
3750                         return -ENOMEM;
3751                 }
3752                 screen1->screen_id = 1;
3753                 screen1->lcdc_id = 1;
3754                 dev_drv->screen1 = screen1;
3755                 */
3756                 dev_drv->screen0->sscreen_set = rk_fb_set_screen_scaler;
3757         }
3758         sprintf(dev_drv->name, "lcdc%d", dev_drv->id);
3759         init_lcdc_win(dev_drv, def_win);
3760         init_completion(&dev_drv->frame_done);
3761         spin_lock_init(&dev_drv->cpl_lock);
3762         mutex_init(&dev_drv->fb_win_id_mutex);
3763         dev_drv->ops->fb_win_remap(dev_drv, FB_DEFAULT_ORDER);
3764         dev_drv->first_frame = 1;
3765         dev_drv->overscan.left = 100;
3766         dev_drv->overscan.top = 100;
3767         dev_drv->overscan.right = 100;
3768         dev_drv->overscan.bottom = 100;
3769         rk_disp_pwr_ctr_parse_dt(dev_drv);
3770         if (dev_drv->prop == PRMRY) {
3771                 if (dev_drv->ops->set_dsp_cabc)
3772                         dev_drv->ops->set_dsp_cabc(dev_drv, dev_drv->cabc_mode);
3773                 rk_fb_set_prmry_screen(screen);
3774         }
3775         rk_fb_get_prmry_screen(screen);
3776         dev_drv->trsm_ops = rk_fb_trsm_ops_get(screen->type);
3777
3778         return 0;
3779 }
3780
3781 #ifdef CONFIG_LOGO_LINUX_BMP
3782 static struct linux_logo *bmp_logo;
3783 static int fb_prewine_bmp_logo(struct fb_info *info, int rotate)
3784 {
3785         bmp_logo = fb_find_logo(24);
3786         if (bmp_logo == NULL) {
3787                 printk(KERN_INFO "%s error\n", __func__);
3788                 return 0;
3789         }
3790         return 1;
3791 }
3792
3793 static void fb_show_bmp_logo(struct fb_info *info, int rotate)
3794 {
3795         unsigned char *src = bmp_logo->data;
3796         unsigned char *dst = info->screen_base;
3797         int i;
3798         unsigned int Needwidth = (*(src - 24) << 8) | (*(src - 23));
3799         unsigned int Needheight = (*(src - 22) << 8) | (*(src - 21));
3800
3801         for (i = 0; i < Needheight; i++)
3802                 memcpy(dst + info->var.xres * i * 4,
3803                        src + bmp_logo->width * i * 4, Needwidth * 4);
3804 }
3805 #endif
3806
3807 /*
3808  * check if the primary lcdc has registerd,
3809  * the primary lcdc mas register first
3810  */
3811 bool is_prmry_rk_lcdc_registered(void)
3812 {
3813         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3814
3815         if (rk_fb->lcdc_dev_drv[0])
3816                 return true;
3817         else
3818                 return false;
3819 }
3820
3821 int rk_fb_register(struct rk_lcdc_driver *dev_drv,
3822                    struct rk_lcdc_win *win, int id)
3823 {
3824         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3825         struct fb_info *fbi;
3826         int i = 0, ret = 0, index = 0;
3827 /*
3828 #if defined(CONFIG_ROCKCHIP_IOMMU)
3829         struct device *mmu_dev = NULL;
3830 #endif
3831 */
3832         if (rk_fb->num_lcdc == RK30_MAX_LCDC_SUPPORT)
3833                 return -ENXIO;
3834
3835         for (i = 0; i < RK30_MAX_LCDC_SUPPORT; i++) {
3836                 if (!rk_fb->lcdc_dev_drv[i]) {
3837                         rk_fb->lcdc_dev_drv[i] = dev_drv;
3838                         rk_fb->lcdc_dev_drv[i]->id = id;
3839                         rk_fb->num_lcdc++;
3840                         break;
3841                 }
3842         }
3843
3844         index = i;
3845         init_lcdc_device_driver(rk_fb, win, index);
3846         dev_drv->fb_index_base = rk_fb->num_fb;
3847         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3848                 fbi = framebuffer_alloc(0, &fb_pdev->dev);
3849                 if (!fbi) {
3850                         dev_err(&fb_pdev->dev, "fb framebuffer_alloc fail!");
3851                         ret = -ENOMEM;
3852                 }
3853                 fbi->par = dev_drv;
3854                 fbi->var = def_var;
3855                 fbi->fix = def_fix;
3856                 sprintf(fbi->fix.id, "fb%d", rk_fb->num_fb);
3857                 fb_videomode_to_var(&fbi->var, &dev_drv->cur_screen->mode);
3858                 fbi->var.grayscale |=
3859                     (fbi->var.xres << 8) + (fbi->var.yres << 20);
3860 #if defined(CONFIG_LOGO_LINUX_BMP)
3861                 fbi->var.bits_per_pixel = 32;
3862 #else
3863                 fbi->var.bits_per_pixel = 16;
3864 #endif
3865                 fbi->fix.line_length =
3866                     (fbi->var.xres_virtual) * (fbi->var.bits_per_pixel >> 3);
3867                 fbi->var.width = dev_drv->cur_screen->width;
3868                 fbi->var.height = dev_drv->cur_screen->height;
3869                 fbi->var.pixclock = dev_drv->pixclock;
3870                 if (dev_drv->iommu_enabled)
3871                         fb_ops.fb_mmap = rk_fb_mmap;
3872                 fbi->fbops = &fb_ops;
3873                 fbi->flags = FBINFO_FLAG_DEFAULT;
3874                 fbi->pseudo_palette = dev_drv->win[i]->pseudo_pal;
3875                 ret = register_framebuffer(fbi);
3876                 if (ret < 0) {
3877                         dev_err(&fb_pdev->dev,
3878                                 "%s fb%d register_framebuffer fail!\n",
3879                                 __func__, rk_fb->num_fb);
3880                         return ret;
3881                 }
3882                 rkfb_create_sysfs(fbi);
3883                 rk_fb->fb[rk_fb->num_fb] = fbi;
3884                 dev_info(fbi->dev, "rockchip framebuffer registerd:%s\n",
3885                          fbi->fix.id);
3886                 rk_fb->num_fb++;
3887
3888                 if (i == 0) {
3889                         init_waitqueue_head(&dev_drv->vsync_info.wait);
3890                         init_waitqueue_head(&dev_drv->update_regs_wait);
3891                         ret = device_create_file(fbi->dev, &dev_attr_vsync);
3892                         if (ret)
3893                                 dev_err(fbi->dev,
3894                                         "failed to create vsync file\n");
3895                         dev_drv->vsync_info.thread =
3896                             kthread_run(rk_fb_wait_for_vsync_thread, dev_drv,
3897                                         "fb-vsync");
3898                         if (dev_drv->vsync_info.thread == ERR_PTR(-ENOMEM)) {
3899                                 dev_err(fbi->dev,
3900                                         "failed to run vsync thread\n");
3901                                 dev_drv->vsync_info.thread = NULL;
3902                         }
3903                         dev_drv->vsync_info.active = 1;
3904
3905                         mutex_init(&dev_drv->output_lock);
3906
3907                         INIT_LIST_HEAD(&dev_drv->update_regs_list);
3908                         mutex_init(&dev_drv->update_regs_list_lock);
3909                         init_kthread_worker(&dev_drv->update_regs_worker);
3910
3911                         dev_drv->update_regs_thread =
3912                             kthread_run(kthread_worker_fn,
3913                                         &dev_drv->update_regs_worker, "rk-fb");
3914                         if (IS_ERR(dev_drv->update_regs_thread)) {
3915                                 int err = PTR_ERR(dev_drv->update_regs_thread);
3916                                 dev_drv->update_regs_thread = NULL;
3917
3918                                 printk("failed to run update_regs thread\n");
3919                                 return err;
3920                         }
3921                         init_kthread_work(&dev_drv->update_regs_work,
3922                                           rk_fb_update_regs_handler);
3923
3924                         dev_drv->timeline =
3925                             sw_sync_timeline_create("fb-timeline");
3926                         dev_drv->timeline_max = 1;
3927                 }
3928         }
3929
3930         /* show logo for primary display device */
3931 #if !defined(CONFIG_FRAMEBUFFER_CONSOLE) && defined(CONFIG_LOGO)
3932         if (dev_drv->prop == PRMRY) {
3933                 struct fb_info *main_fbi = rk_fb->fb[0];
3934                 main_fbi->fbops->fb_open(main_fbi, 1);
3935 /*
3936 #if defined(CONFIG_ROCKCHIP_IOMMU)
3937                 if (dev_drv->iommu_enabled) {
3938                         mmu_dev =
3939                             rk_fb_get_sysmmu_device_by_compatible(dev_drv->mmu_dts_name);
3940                         if (mmu_dev) {
3941                                 rk_fb_platform_set_sysmmu(mmu_dev, dev_drv->dev);
3942                                 rockchip_iovmm_set_fault_handler(dev_drv->dev,
3943                                                                   rk_fb_sysmmu_fault_handler);
3944                                 rockchip_iovmm_activate(dev_drv->dev);
3945                         } else
3946                                 dev_err(dev_drv->dev,
3947                                         "failed to get rockchip iommu device\n");
3948                 }
3949 #endif
3950 */
3951                 rk_fb_alloc_buffer(main_fbi, 0);        /* only alloc memory for main fb */
3952                 if (support_uboot_display()) {
3953                         if (dev_drv->iommu_enabled) {
3954                                 rk_fb_copy_from_loader(main_fbi);
3955                                 dev_drv->ops->direct_set_addr(dev_drv, 0,
3956                                         main_fbi->fix.smem_start);
3957                         }
3958                         return 0;
3959                 }
3960                 main_fbi->fbops->fb_set_par(main_fbi);
3961 #if  defined(CONFIG_LOGO_LINUX_BMP)
3962                 if (fb_prewine_bmp_logo(main_fbi, FB_ROTATE_UR)) {
3963                         fb_set_cmap(&main_fbi->cmap, main_fbi);
3964                         fb_show_bmp_logo(main_fbi, FB_ROTATE_UR);
3965                 }
3966 #else
3967                 if (fb_prepare_logo(main_fbi, FB_ROTATE_UR)) {
3968                         fb_set_cmap(&main_fbi->cmap, main_fbi);
3969                         fb_show_logo(main_fbi, FB_ROTATE_UR);
3970                 }
3971 #endif
3972                 main_fbi->fbops->fb_pan_display(&main_fbi->var, main_fbi);
3973         } else {
3974 #if !defined(CONFIG_ROCKCHIP_IOMMU)
3975                 struct fb_info *extend_fbi = rk_fb->fb[rk_fb->num_fb >> 1];
3976                 int extend_fb_id = get_extend_fb_id(extend_fbi);
3977
3978                 rk_fb_alloc_buffer(extend_fbi, extend_fb_id);
3979 #endif
3980         }
3981 #endif
3982         return 0;
3983 }
3984
3985 int rk_fb_unregister(struct rk_lcdc_driver *dev_drv)
3986 {
3987         struct rk_fb *fb_inf = platform_get_drvdata(fb_pdev);
3988         struct fb_info *fbi;
3989         int fb_index_base = dev_drv->fb_index_base;
3990         int fb_num = dev_drv->lcdc_win_num;
3991         int i = 0;
3992
3993         if (fb_inf->lcdc_dev_drv[i]->vsync_info.thread) {
3994                 fb_inf->lcdc_dev_drv[i]->vsync_info.irq_stop = 1;
3995                 kthread_stop(fb_inf->lcdc_dev_drv[i]->vsync_info.thread);
3996         }
3997
3998         for (i = 0; i < fb_num; i++)
3999                 kfree(dev_drv->win[i]);
4000
4001         for (i = fb_index_base; i < (fb_index_base + fb_num); i++) {
4002                 fbi = fb_inf->fb[i];
4003                 unregister_framebuffer(fbi);
4004                 /* rk_release_fb_buffer(fbi); */
4005                 framebuffer_release(fbi);
4006         }
4007         fb_inf->lcdc_dev_drv[dev_drv->id] = NULL;
4008         fb_inf->num_lcdc--;
4009
4010         return 0;
4011 }
4012
4013 static int rk_fb_probe(struct platform_device *pdev)
4014 {
4015         struct rk_fb *rk_fb = NULL;
4016         struct device_node *np = pdev->dev.of_node;
4017         u32 mode;
4018
4019         if (!np) {
4020                 dev_err(&pdev->dev, "Missing device tree node.\n");
4021                 return -EINVAL;
4022         }
4023
4024         rk_fb = devm_kzalloc(&pdev->dev, sizeof(struct rk_fb), GFP_KERNEL);
4025         if (!rk_fb) {
4026                 dev_err(&pdev->dev, "kmalloc for rk fb fail!");
4027                 return -ENOMEM;
4028         }
4029         platform_set_drvdata(pdev, rk_fb);
4030
4031         if (!of_property_read_u32(np, "rockchip,disp-mode", &mode)) {
4032                 rk_fb->disp_mode = mode;
4033
4034         } else {
4035                 dev_err(&pdev->dev, "no disp-mode node found!");
4036                 return -ENODEV;
4037         }
4038
4039         if (!of_property_read_u32(np, "rockchip,uboot-logo-on", &uboot_logo_on))
4040                 printk(KERN_DEBUG "uboot-logo-on:%d\n", uboot_logo_on);
4041
4042         dev_set_name(&pdev->dev, "rockchip-fb");
4043 #if defined(CONFIG_ION_ROCKCHIP)
4044         rk_fb->ion_client = rockchip_ion_client_create("rk_fb");
4045         if (IS_ERR(rk_fb->ion_client)) {
4046                 dev_err(&pdev->dev, "failed to create ion client for rk fb");
4047                 return PTR_ERR(rk_fb->ion_client);
4048         } else {
4049                 dev_info(&pdev->dev, "rk fb ion client create success!\n");
4050         }
4051 #endif
4052
4053         fb_pdev = pdev;
4054         dev_info(&pdev->dev, "rockchip framebuffer driver probe\n");
4055         return 0;
4056 }
4057
4058 static int rk_fb_remove(struct platform_device *pdev)
4059 {
4060         struct rk_fb *rk_fb = platform_get_drvdata(pdev);
4061
4062         kfree(rk_fb);
4063         platform_set_drvdata(pdev, NULL);
4064         return 0;
4065 }
4066
4067 static void rk_fb_shutdown(struct platform_device *pdev)
4068 {
4069         struct rk_fb *rk_fb = platform_get_drvdata(pdev);
4070         int i;
4071
4072         for (i = 0; i < rk_fb->num_lcdc; i++) {
4073                 if (!rk_fb->lcdc_dev_drv[i])
4074                         continue;
4075         }
4076 }
4077
4078 static const struct of_device_id rkfb_dt_ids[] = {
4079         {.compatible = "rockchip,rk-fb",},
4080         {}
4081 };
4082
4083 static struct platform_driver rk_fb_driver = {
4084         .probe = rk_fb_probe,
4085         .remove = rk_fb_remove,
4086         .driver = {
4087                    .name = "rk-fb",
4088                    .owner = THIS_MODULE,
4089                    .of_match_table = of_match_ptr(rkfb_dt_ids),
4090                    },
4091         .shutdown = rk_fb_shutdown,
4092 };
4093
4094 static int __init rk_fb_init(void)
4095 {
4096         return platform_driver_register(&rk_fb_driver);
4097 }
4098
4099 static void __exit rk_fb_exit(void)
4100 {
4101         platform_driver_unregister(&rk_fb_driver);
4102 }
4103
4104 fs_initcall(rk_fb_init);
4105 module_exit(rk_fb_exit);