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_gpio.h>
  44 #include <video/of_display_timing.h>
  45 #include <video/display_timing.h>
  46 #include <dt-bindings/rkfb/rk_fb.h>
  47 #endif
  48
  49 #if defined(CONFIG_ION_ROCKCHIP)
  50 #include <linux/rockchip_ion.h>
  51 #include <linux/rockchip/iovmm.h>
  52 #include <linux/rockchip/sysmmu.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 = platform_get_drvdata(fb_pdev);
 468         int i = 0;
 469         for (i = 0; i < inf->num_lcdc; i++) {
 470                 if (!strcmp(inf->lcdc_dev_drv[i]->name, name))
 471                         break;
 472         }
 473         return inf->lcdc_dev_drv[i];
 474
 475 }
 476
 477 static struct rk_lcdc_driver *rk_get_prmry_lcdc_drv(void)
 478 {
 479         struct rk_fb *inf = NULL;
 480         struct rk_lcdc_driver *dev_drv = NULL;
 481         int i = 0;
 482
 483         if (likely(fb_pdev))
 484                 inf = platform_get_drvdata(fb_pdev);
 485         else
 486                 return NULL;
 487
 488         for (i = 0; i < inf->num_lcdc; i++) {
 489                 if (inf->lcdc_dev_drv[i]->prop == PRMRY) {
 490                         dev_drv = inf->lcdc_dev_drv[i];
 491                         break;
 492                 }
 493         }
 494
 495         return dev_drv;
 496 }
 497
 498 /*
 499  * get one frame time of the prmry screen, unit: us
 500  */
 501 u32 rk_fb_get_prmry_screen_ft(void)
 502 {
 503         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 504         uint32_t htotal, vtotal, pixclock_ps;
 505         u64 pix_total, ft_us;
 506
 507         if (unlikely(!dev_drv))
 508                 return 0;
 509
 510         pixclock_ps = dev_drv->pixclock;
 511
 512         vtotal = (dev_drv->cur_screen->mode.upper_margin +
 513                  dev_drv->cur_screen->mode.lower_margin +
 514                  dev_drv->cur_screen->mode.yres +
 515                  dev_drv->cur_screen->mode.vsync_len);
 516         htotal = (dev_drv->cur_screen->mode.left_margin +
 517                  dev_drv->cur_screen->mode.right_margin +
 518                  dev_drv->cur_screen->mode.xres +
 519                  dev_drv->cur_screen->mode.hsync_len);
 520         pix_total = htotal * vtotal;
 521         ft_us = pix_total * pixclock_ps;
 522         do_div(ft_us, 1000000);
 523         if (dev_drv->frame_time.ft == 0)
 524                 dev_drv->frame_time.ft = ft_us;
 525
 526         ft_us = dev_drv->frame_time.framedone_t - dev_drv->frame_time.last_framedone_t;
 527         do_div(ft_us, 1000);
 528         ft_us = min(dev_drv->frame_time.ft, (u32)ft_us);
 529         if (ft_us != 0)
 530                 dev_drv->frame_time.ft = ft_us;
 531
 532         return dev_drv->frame_time.ft;
 533 }
 534
 535 /*
 536  * get the vblanking time of the prmry screen, unit: us
 537  */
 538 u32 rk_fb_get_prmry_screen_vbt(void)
 539 {
 540         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 541         uint32_t htotal, vblank, pixclock_ps;
 542         u64 pix_blank, vbt_us;
 543
 544         if (unlikely(!dev_drv))
 545                 return 0;
 546
 547         pixclock_ps = dev_drv->pixclock;
 548
 549         htotal = (dev_drv->cur_screen->mode.left_margin +
 550                  dev_drv->cur_screen->mode.right_margin +
 551                  dev_drv->cur_screen->mode.xres +
 552                  dev_drv->cur_screen->mode.hsync_len);
 553         vblank = (dev_drv->cur_screen->mode.upper_margin +
 554                  dev_drv->cur_screen->mode.lower_margin +
 555                  dev_drv->cur_screen->mode.vsync_len);
 556         pix_blank = htotal * vblank;
 557         vbt_us = pix_blank * pixclock_ps;
 558         do_div(vbt_us, 1000000);
 559         return (u32)vbt_us;
 560 }
 561
 562 /*
 563  * get the frame done time of the prmry screen, unit: us
 564  */
 565 u64 rk_fb_get_prmry_screen_framedone_t(void)
 566 {
 567         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 568
 569         if (unlikely(!dev_drv))
 570                 return 0;
 571         else
 572                 return dev_drv->frame_time.framedone_t;
 573 }
 574
 575 /*
 576  * set prmry screen status
 577  */
 578 int rk_fb_set_prmry_screen_status(int status)
 579 {
 580         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 581         struct rk_screen *screen;
 582
 583         if (unlikely(!dev_drv))
 584                 return 0;
 585
 586         screen = dev_drv->cur_screen;
 587         switch (status) {
 588         case SCREEN_PREPARE_DDR_CHANGE:
 589                 if (screen->type == SCREEN_MIPI
 590                         || screen->type == SCREEN_DUAL_MIPI) {
 591                         if (dev_drv->trsm_ops->dsp_pwr_off)
 592                                 dev_drv->trsm_ops->dsp_pwr_off();
 593                 }
 594                 break;
 595         case SCREEN_UNPREPARE_DDR_CHANGE:
 596                 if (screen->type == SCREEN_MIPI
 597                         || screen->type == SCREEN_DUAL_MIPI) {
 598                         if (dev_drv->trsm_ops->dsp_pwr_on)
 599                                 dev_drv->trsm_ops->dsp_pwr_on();
 600                 }
 601                 break;
 602         default:
 603                 break;
 604         }
 605
 606         return 0;
 607 }
 608
 609 #if 0
 610 static struct rk_lcdc_driver *rk_get_extend_lcdc_drv(void)
 611 {
 612         struct rk_fb *inf = NULL;
 613         struct rk_lcdc_driver *dev_drv = NULL;
 614         int i = 0;
 615
 616         if (likely(fb_pdev))
 617                 inf = platform_get_drvdata(fb_pdev);
 618         else
 619                 return NULL;
 620
 621         for (i = 0; i < inf->num_lcdc; i++) {
 622                 if (inf->lcdc_dev_drv[i]->prop == EXTEND) {
 623                         dev_drv = inf->lcdc_dev_drv[i];
 624                         break;
 625                 }
 626         }
 627
 628         return dev_drv;
 629 }
 630 #endif
 631
 632 u32 rk_fb_get_prmry_screen_pixclock(void)
 633 {
 634         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 635
 636         if (unlikely(!dev_drv))
 637                 return 0;
 638         else
 639                 return dev_drv->pixclock;
 640 }
 641
 642 int rk_fb_poll_prmry_screen_vblank(void)
 643 {
 644         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 645         if (likely(dev_drv)) {
 646                 if (dev_drv->ops->poll_vblank)
 647                         return dev_drv->ops->poll_vblank(dev_drv);
 648                 else
 649                         return RK_LF_STATUS_NC;
 650         } else
 651                 return RK_LF_STATUS_NC;
 652 }
 653
 654 bool rk_fb_poll_wait_frame_complete(void)
 655 {
 656         uint32_t timeout = RK_LF_MAX_TIMEOUT;
 657         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 658
 659         if (likely(dev_drv)) {
 660                 if (dev_drv->ops->set_irq_to_cpu)
 661                         dev_drv->ops->set_irq_to_cpu(dev_drv, 0);
 662         }
 663
 664         if (rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_NC) {
 665                 if (likely(dev_drv)) {
 666                         if (dev_drv->ops->set_irq_to_cpu)
 667                                 dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
 668                 }
 669                 return false;
 670         }
 671         while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FR) && --timeout)
 672                 ;
 673         while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FC) && --timeout)
 674                 ;
 675         if (likely(dev_drv)) {
 676                 if (dev_drv->ops->set_irq_to_cpu)
 677                         dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
 678         }
 679
 680         return true;
 681 }
 682
 683 static int rk_fb_open(struct fb_info *info, int user)
 684 {
 685         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
 686         int win_id;
 687
 688         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
 689         dev_drv->win[win_id]->logicalstate++;
 690         /* if this win aready opened ,no need to reopen */
 691         if (dev_drv->win[win_id]->state)
 692                 return 0;
 693         else
 694                 dev_drv->ops->open(dev_drv, win_id, 1);
 695         return 0;
 696 }
 697
 698 static int get_extend_fb_id(struct fb_info *info)
 699 {
 700         int fb_id = 0;
 701         char *id = info->fix.id;
 702         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
 703         if (!strcmp(id, "fb0"))
 704                 fb_id = 0;
 705         else if (!strcmp(id, "fb1"))
 706                 fb_id = 1;
 707         else if (!strcmp(id, "fb2") && (dev_drv->lcdc_win_num > 2))
 708                 fb_id = 2;
 709         return fb_id;
 710 }
 711
 712 static int rk_fb_close(struct fb_info *info, int user)
 713 {
 714         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
 715         struct rk_lcdc_win *win = NULL;
 716         int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
 717         if (win_id >= 0) {
 718                 dev_drv->win[win_id]->logicalstate--;
 719                 if(!dev_drv->win[win_id]->logicalstate) {
 720                         win = dev_drv->win[win_id];
 721                         info->fix.smem_start = win->reserved;
 722
 723                         info->var.xres = dev_drv->screen0->mode.xres;
 724                         info->var.yres = dev_drv->screen0->mode.yres;
 725                         info->var.grayscale |=
 726                             (info->var.xres << 8) + (info->var.yres << 20);
 727                         info->var.xres_virtual = info->var.xres;
 728                         info->var.yres_virtual = info->var.yres;
 729 #if defined(CONFIG_LOGO_LINUX_BMP)
 730                         info->var.bits_per_pixel = 32;
 731 #else
 732                         info->var.bits_per_pixel = 16;
 733 #endif
 734
 735                         info->fix.line_length =
 736                             (info->var.xres_virtual) * (info->var.bits_per_pixel >> 3);
 737                         info->var.width = dev_drv->screen0->width;
 738                         info->var.height = dev_drv->screen0->height;
 739                         info->var.pixclock = dev_drv->pixclock;
 740                         info->var.left_margin = dev_drv->screen0->mode.left_margin;
 741                         info->var.right_margin = dev_drv->screen0->mode.right_margin;
 742                         info->var.upper_margin = dev_drv->screen0->mode.upper_margin;
 743                         info->var.lower_margin = dev_drv->screen0->mode.lower_margin;
 744                         info->var.vsync_len = dev_drv->screen0->mode.vsync_len;
 745                         info->var.hsync_len = dev_drv->screen0->mode.hsync_len;
 746                 }
 747         }
 748
 749         return 0;
 750 }
 751
 752
 753 #if defined(CONFIG_RK29_IPP)
 754 static int get_ipp_format(int fmt)
 755 {
 756         int ipp_fmt = IPP_XRGB_8888;
 757         switch (fmt) {
 758         case HAL_PIXEL_FORMAT_RGBX_8888:
 759         case HAL_PIXEL_FORMAT_RGBA_8888:
 760         case HAL_PIXEL_FORMAT_BGRA_8888:
 761         case HAL_PIXEL_FORMAT_RGB_888:
 762                 ipp_fmt = IPP_XRGB_8888;
 763                 break;
 764         case HAL_PIXEL_FORMAT_RGB_565:
 765                 ipp_fmt = IPP_RGB_565;
 766                 break;
 767         case HAL_PIXEL_FORMAT_YCbCr_422_SP:
 768                 ipp_fmt = IPP_Y_CBCR_H2V1;
 769                 break;
 770         case HAL_PIXEL_FORMAT_YCrCb_NV12:
 771                 ipp_fmt = IPP_Y_CBCR_H2V2;
 772                 break;
 773         case HAL_PIXEL_FORMAT_YCrCb_444:
 774                 ipp_fmt = IPP_Y_CBCR_H1V1;
 775                 break;
 776         default:
 777                 ipp_fmt = IPP_IMGTYPE_LIMIT;
 778                 break;
 779         }
 780
 781         return ipp_fmt;
 782 }
 783
 784 static void ipp_win_check(int *dst_w, int *dst_h, int *dst_vir_w,
 785                           int rotation, int fmt)
 786 {
 787         int align16 = 2;
 788         int align64 = 8;
 789
 790         if (fmt == IPP_XRGB_8888) {
 791                 align16 = 1;
 792                 align64 = 2;
 793         } else if (fmt == IPP_RGB_565) {
 794                 align16 = 1;
 795                 align64 = 4;
 796         } else {
 797                 align16 = 2;
 798                 align64 = 8;
 799         }
 800         align16 -= 1;           /*for YUV, 1 */
 801         align64 -= 1;           /*for YUV, 7 */
 802
 803         if (rotation == IPP_ROT_0) {
 804                 if (fmt > IPP_RGB_565) {
 805                         if ((*dst_w & 1) != 0)
 806                                 *dst_w = *dst_w + 1;
 807                         if ((*dst_h & 1) != 0)
 808                                 *dst_h = *dst_h + 1;
 809                         if (*dst_vir_w < *dst_w)
 810                                 *dst_vir_w = *dst_w;
 811                 }
 812         } else {
 813
 814                 if ((*dst_w & align64) != 0)
 815                         *dst_w = (*dst_w + align64) & (~align64);
 816                 if ((fmt > IPP_RGB_565) && ((*dst_h & 1) == 1))
 817                         *dst_h = *dst_h + 1;
 818                 if (*dst_vir_w < *dst_w)
 819                         *dst_vir_w = *dst_w;
 820         }
 821
 822 }
 823
 824 static void fb_copy_by_ipp(struct fb_info *dst_info,
 825                            struct fb_info *src_info, int offset)
 826 {
 827         struct rk29_ipp_req ipp_req;
 828         uint32_t rotation = 0;
 829         int dst_w, dst_h, dst_vir_w;
 830         int ipp_fmt;
 831         u8 data_format = (dst_info->var.nonstd) & 0xff;
 832         struct rk_lcdc_driver *ext_dev_drv =
 833                         (struct rk_lcdc_driver *)dst_info->par;
 834         u16 orientation = ext_dev_drv->rotate_mode;
 835
 836         memset(&ipp_req, 0, sizeof(struct rk29_ipp_req));
 837
 838         switch (orientation) {
 839         case 0:
 840                 rotation = IPP_ROT_0;
 841                 break;
 842         case ROTATE_90:
 843                 rotation = IPP_ROT_90;
 844                 break;
 845         case ROTATE_180:
 846                 rotation = IPP_ROT_180;
 847                 break;
 848         case ROTATE_270:
 849                 rotation = IPP_ROT_270;
 850                 break;
 851         default:
 852                 rotation = IPP_ROT_270;
 853                 break;
 854
 855         }
 856
 857         dst_w = dst_info->var.xres;
 858         dst_h = dst_info->var.yres;
 859         dst_vir_w = dst_info->var.xres_virtual;
 860         ipp_fmt = get_ipp_format(data_format);
 861         ipp_win_check(&dst_w, &dst_h, &dst_vir_w, rotation, ipp_fmt);
 862         ipp_req.src0.YrgbMst = src_info->fix.smem_start + offset;
 863         ipp_req.src0.w = src_info->var.xres;
 864         ipp_req.src0.h = src_info->var.yres;
 865         ipp_req.src_vir_w = src_info->var.xres_virtual;
 866         ipp_req.src0.fmt = ipp_fmt;
 867
 868         ipp_req.dst0.YrgbMst = dst_info->fix.smem_start + offset;
 869         ipp_req.dst0.w = dst_w;
 870         ipp_req.dst0.h = dst_h;
 871         ipp_req.dst_vir_w = dst_vir_w;
 872         ipp_req.dst0.fmt = ipp_fmt;
 873
 874         ipp_req.timeout = 100;
 875         ipp_req.flag = rotation;
 876         ipp_blit_sync(&ipp_req);
 877
 878 }
 879
 880 #endif
 881
 882 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
 883 static int get_rga_format(int fmt)
 884 {
 885         int rga_fmt = 0;
 886
 887         switch (fmt) {
 888         case XBGR888:
 889                 rga_fmt = RK_FORMAT_RGBX_8888;
 890                 break;
 891         case ABGR888:
 892                 rga_fmt = RK_FORMAT_RGBA_8888;
 893                 break;
 894         case ARGB888:
 895                 rga_fmt = RK_FORMAT_BGRA_8888;
 896                 break;
 897         case RGB888:
 898                 rga_fmt = RK_FORMAT_RGB_888;
 899                 break;
 900         case RGB565:
 901                 rga_fmt = RK_FORMAT_RGB_565;
 902                 break;
 903         case YUV422:
 904                 rga_fmt = RK_FORMAT_YCbCr_422_SP;
 905                 break;
 906         case YUV420:
 907                 rga_fmt = RK_FORMAT_YCbCr_420_SP;
 908                 break;
 909         default:
 910                 rga_fmt = RK_FORMAT_RGBA_8888;
 911                 break;
 912         }
 913
 914         return rga_fmt;
 915 }
 916
 917 static void rga_win_check(struct rk_lcdc_win *dst_win,
 918                           struct rk_lcdc_win *src_win)
 919 {
 920         int align32 = 4;
 921
 922         align32 -= 1;
 923         /*width and height must be aligned by 32 bit */
 924         if ((src_win->area[0].xact & align32) != 0)
 925                 src_win->area[0].xact =
 926                     (src_win->area[0].xact + align32) & (~align32);
 927         if ((src_win->area[0].yact & align32) != 0)
 928                 src_win->area[0].yact =
 929                     (src_win->area[0].yact + align32) & (~align32);
 930         if (src_win->area[0].xvir < src_win->area[0].xact)
 931                 src_win->area[0].xvir = src_win->area[0].xact;
 932         if (src_win->area[0].yvir < src_win->area[0].yact)
 933                 src_win->area[0].yvir = src_win->area[0].yact;
 934
 935         if ((dst_win->area[0].xact & align32) != 0)
 936                 dst_win->area[0].xact =
 937                     (dst_win->area[0].xact + align32) & (~align32);
 938         if ((dst_win->area[0].yact & align32) != 0)
 939                 dst_win->area[0].yact =
 940                     (dst_win->area[0].yact + align32) & (~align32);
 941         if (dst_win->area[0].xvir < dst_win->area[0].xact)
 942                 dst_win->area[0].xvir = dst_win->area[0].xact;
 943         if (dst_win->area[0].yvir < dst_win->area[0].yact)
 944                 dst_win->area[0].yvir = dst_win->area[0].yact;
 945 }
 946
 947 static void win_copy_by_rga(struct rk_lcdc_win *dst_win,
 948                             struct rk_lcdc_win *src_win, u16 orientation)
 949 {
 950         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
 951         struct rga_req Rga_Request;
 952         long ret = 0;
 953         /* int fd = 0; */
 954
 955         memset(&Rga_Request, 0, sizeof(Rga_Request));
 956         rga_win_check(dst_win, src_win);
 957
 958         switch (orientation) {
 959         case ROTATE_90:
 960                 Rga_Request.rotate_mode = 1;
 961                 Rga_Request.sina = 65536;
 962                 Rga_Request.cosa = 0;
 963                 Rga_Request.dst.act_w = dst_win->area[0].yact;
 964                 Rga_Request.dst.act_h = dst_win->area[0].xact;
 965                 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
 966                 Rga_Request.dst.y_offset = 0;
 967                 break;
 968         case ROTATE_180:
 969                 Rga_Request.rotate_mode = 1;
 970                 Rga_Request.sina = 0;
 971                 Rga_Request.cosa = -65536;
 972                 Rga_Request.dst.act_w = dst_win->area[0].xact;
 973                 Rga_Request.dst.act_h = dst_win->area[0].yact;
 974                 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
 975                 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
 976                 break;
 977         case ROTATE_270:
 978                 Rga_Request.rotate_mode = 1;
 979                 Rga_Request.sina = -65536;
 980                 Rga_Request.cosa = 0;
 981                 Rga_Request.dst.act_w = dst_win->area[0].yact;
 982                 Rga_Request.dst.act_h = dst_win->area[0].xact;
 983                 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
 984                 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
 985                 break;
 986         default:
 987                 Rga_Request.rotate_mode = 0;
 988                 Rga_Request.dst.act_w = dst_win->area[0].xact;
 989                 Rga_Request.dst.act_h = dst_win->area[0].yact;
 990                 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
 991                 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
 992                 break;
 993         }
 994
 995 #if defined(CONFIG_ROCKCHIP_RGA)
 996         Rga_Request.src.yrgb_addr =
 997             src_win->area[0].smem_start + src_win->area[0].y_offset;
 998         Rga_Request.src.uv_addr = 0;
 999         Rga_Request.src.v_addr = 0;
1000
1001         dst_win->area[0].smem_start =
1002             rk_fb->fb[rk_fb->num_fb >> 1]->fix.smem_start;
1003         Rga_Request.dst.yrgb_addr =
1004             dst_win->area[0].smem_start + dst_win->area[0].y_offset;
1005         Rga_Request.dst.uv_addr = 0;
1006         Rga_Request.dst.v_addr = 0;
1007 #elif defined(CONFIG_ROCKCHIP_RGA2)
1008 /*
1009         fd = ion_share_dma_buf_fd(rk_fb->ion_client, src_win->area[0].ion_hdl);
1010         Rga_Request.src.yrgb_addr = fd;
1011         fd = ion_share_dma_buf_fd(rk_fb->ion_client, dst_win->area[0].ion_hdl);
1012         Rga_Request.dst.yrgb_addr = fd;
1013 */
1014         Rga_Request.src.yrgb_addr = 0;
1015         Rga_Request.src.uv_addr =
1016             src_win->area[0].smem_start + src_win->area[0].y_offset;
1017         Rga_Request.src.v_addr = 0;
1018
1019         dst_win->area[0].smem_start =
1020             rk_fb->fb[rk_fb->num_fb >> 1]->fix.smem_start;
1021         Rga_Request.dst.yrgb_addr = 0;
1022         Rga_Request.dst.uv_addr =
1023             dst_win->area[0].smem_start + dst_win->area[0].y_offset;
1024         Rga_Request.dst.v_addr = 0;
1025 #endif
1026
1027         Rga_Request.src.vir_w = src_win->area[0].xvir;
1028         Rga_Request.src.vir_h = src_win->area[0].yvir;
1029         Rga_Request.src.format = get_rga_format(src_win->format);
1030         Rga_Request.src.act_w = src_win->area[0].xact;
1031         Rga_Request.src.act_h = src_win->area[0].yact;
1032         Rga_Request.src.x_offset = 0;
1033         Rga_Request.src.y_offset = 0;
1034
1035         Rga_Request.dst.vir_w = dst_win->area[0].xvir;
1036         Rga_Request.dst.vir_h = dst_win->area[0].yvir;
1037         Rga_Request.dst.format = get_rga_format(dst_win->format);
1038
1039         Rga_Request.clip.xmin = 0;
1040         Rga_Request.clip.xmax = dst_win->area[0].xact - 1;
1041         Rga_Request.clip.ymin = 0;
1042         Rga_Request.clip.ymax = dst_win->area[0].yact - 1;
1043         Rga_Request.scale_mode = 0;
1044 #if defined(CONFIG_ROCKCHIP_IOMMU)
1045         Rga_Request.mmu_info.mmu_en = 1;        /* TODO Modify for use mmu */
1046         Rga_Request.mmu_info.mmu_flag = 1;
1047 #else
1048         Rga_Request.mmu_info.mmu_en = 0;
1049         Rga_Request.mmu_info.mmu_flag = 0;
1050 #endif
1051
1052         ret = rga_ioctl_kernel(&Rga_Request);
1053 }
1054
1055 /*
1056  * This function is used for copying fb by RGA Module
1057  * RGA only support copy RGB to RGB
1058  * RGA2 support copy RGB to RGB and YUV to YUV
1059  */
1060 static void fb_copy_by_rga(struct fb_info *dst_info, struct fb_info *src_info,
1061                            int yrgb_offset)
1062 {
1063         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)src_info->par;
1064         struct rk_lcdc_driver *ext_dev_drv =
1065             (struct rk_lcdc_driver *)dst_info->par;
1066         int win_id = 0, ext_win_id;
1067         struct rk_lcdc_win *src_win, *dst_win;
1068
1069         win_id = dev_drv->ops->fb_get_win_id(dev_drv, src_info->fix.id);
1070         src_win = dev_drv->win[win_id];
1071
1072         ext_win_id =
1073             ext_dev_drv->ops->fb_get_win_id(ext_dev_drv, dst_info->fix.id);
1074         dst_win = ext_dev_drv->win[ext_win_id];
1075
1076         win_copy_by_rga(dst_win, src_win, ext_dev_drv->rotate_mode);
1077 }
1078
1079 #endif
1080
1081 static int rk_fb_rotate(struct fb_info *dst_info,
1082                         struct fb_info *src_info, int offset)
1083 {
1084 #if defined(CONFIG_RK29_IPP)
1085         fb_copy_by_ipp(dst_info, src_info, offset);
1086 #elif defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1087         fb_copy_by_rga(dst_info, src_info, offset);
1088 #else
1089         return -1;
1090 #endif
1091         return 0;
1092 }
1093
1094 static int rk_fb_win_rotate(struct rk_lcdc_win *dst_win,
1095                             struct rk_lcdc_win *src_win, u16 rotate)
1096 {
1097 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1098         win_copy_by_rga(dst_win, src_win, rotate);
1099 #else
1100         return -1;
1101 #endif
1102         return 0;
1103 }
1104
1105
1106 static int rk_fb_pan_display(struct fb_var_screeninfo *var,
1107                              struct fb_info *info)
1108 {
1109         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
1110         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
1111         struct fb_fix_screeninfo *fix = &info->fix;
1112         struct fb_info *extend_info = NULL;
1113         struct rk_lcdc_driver *extend_dev_drv = NULL;
1114         int win_id = 0, extend_win_id = 0;
1115         struct rk_lcdc_win *extend_win = NULL;
1116         struct rk_lcdc_win *win = NULL;
1117         struct rk_screen *screen = dev_drv->cur_screen;
1118         int fb_id = 0;
1119
1120         u32 xoffset = var->xoffset;
1121         u32 yoffset = var->yoffset;
1122         u32 xvir = var->xres_virtual;
1123         /* u32 yvir = var->yres_virtual; */
1124         /* u8 data_format = var->nonstd&0xff; */
1125
1126         u8 pixel_width;
1127         u32 vir_width_bit;
1128         u32 stride, uv_stride;
1129         u32 stride_32bit_1;
1130         u32 stride_32bit_2;
1131         u16 uv_x_off, uv_y_off, uv_y_act;
1132         u8 is_pic_yuv = 0;
1133
1134         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1135         if (win_id < 0)
1136                 return -ENODEV;
1137         else
1138                 win = dev_drv->win[win_id];
1139
1140         if (rk_fb->disp_mode == DUAL) {
1141                 fb_id = get_extend_fb_id(info);
1142                 extend_info = rk_fb->fb[(rk_fb->num_fb >> 1) + fb_id];
1143                 extend_dev_drv = (struct rk_lcdc_driver *)extend_info->par;
1144                 extend_win_id = dev_drv->ops->fb_get_win_id(extend_dev_drv,
1145                                                            extend_info->fix.id);
1146                 extend_win = extend_dev_drv->win[extend_win_id];
1147         }
1148
1149         pixel_width = rk_fb_pixel_width(win->format);
1150         vir_width_bit = pixel_width * xvir;
1151         /* pixel_width = byte_num * 8 */
1152         stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
1153         stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
1154
1155         switch (win->format) {
1156         case YUV422:
1157         case YUV422_A:
1158                 is_pic_yuv = 1;
1159                 stride = stride_32bit_1;
1160                 uv_stride = stride_32bit_1 >> 1;
1161                 uv_x_off = xoffset >> 1;
1162                 uv_y_off = yoffset;
1163                 fix->line_length = stride;
1164                 uv_y_act = win->area[0].yact >> 1;
1165                 break;
1166         case YUV420:            /* 420sp */
1167         case YUV420_A:
1168                 is_pic_yuv = 1;
1169                 stride = stride_32bit_1;
1170                 uv_stride = stride_32bit_1;
1171                 uv_x_off = xoffset;
1172                 uv_y_off = yoffset >> 1;
1173                 fix->line_length = stride;
1174                 uv_y_act = win->area[0].yact >> 1;
1175                 break;
1176         case YUV444:
1177         case YUV444_A:
1178                 is_pic_yuv = 1;
1179                 stride = stride_32bit_1;
1180                 uv_stride = stride_32bit_2;
1181                 uv_x_off = xoffset * 2;
1182                 uv_y_off = yoffset;
1183                 fix->line_length = stride << 2;
1184                 uv_y_act = win->area[0].yact;
1185                 break;
1186         default:
1187                 stride = stride_32bit_1;        /* default rgb */
1188                 fix->line_length = stride;
1189                 break;
1190         }
1191
1192         /* x y mirror ,jump line */
1193         if (screen->y_mirror == 1) {
1194                 if (screen->interlace == 1) {
1195                         win->area[0].y_offset = yoffset * stride * 2 +
1196                             ((win->area[0].yact - 1) * 2 + 1) * stride +
1197                             xoffset * pixel_width / 8;
1198                 } else {
1199                         win->area[0].y_offset = yoffset * stride +
1200                             (win->area[0].yact - 1) * stride +
1201                             xoffset * pixel_width / 8;
1202                 }
1203         } else {
1204                 if (screen->interlace == 1) {
1205                         win->area[0].y_offset =
1206                             yoffset * stride * 2 + xoffset * pixel_width / 8;
1207                 } else {
1208                         win->area[0].y_offset =
1209                             yoffset * stride + xoffset * pixel_width / 8;
1210                 }
1211         }
1212         if (is_pic_yuv == 1) {
1213                 if (screen->y_mirror == 1) {
1214                         if (screen->interlace == 1) {
1215                                 win->area[0].c_offset =
1216                                     uv_y_off * uv_stride * 2 +
1217                                     ((uv_y_act - 1) * 2 + 1) * uv_stride +
1218                                     uv_x_off * pixel_width / 8;
1219                         } else {
1220                                 win->area[0].c_offset = uv_y_off * uv_stride +
1221                                     (uv_y_act - 1) * uv_stride +
1222                                     uv_x_off * pixel_width / 8;
1223                         }
1224                 } else {
1225                         if (screen->interlace == 1) {
1226                                 win->area[0].c_offset =
1227                                     uv_y_off * uv_stride * 2 +
1228                                     uv_x_off * pixel_width / 8;
1229                         } else {
1230                                 win->area[0].c_offset =
1231                                     uv_y_off * uv_stride +
1232                                     uv_x_off * pixel_width / 8;
1233                         }
1234                 }
1235         }
1236
1237         win->area[0].smem_start = fix->smem_start;
1238         win->area[0].cbr_start = fix->mmio_start;
1239         win->area[0].state = 1;
1240         win->area_num = 1;
1241         win->state = 1;
1242
1243         dev_drv->ops->pan_display(dev_drv, win_id);
1244         if (rk_fb->disp_mode == DUAL) {
1245                 if (extend_win->state && (hdmi_switch_complete)) {
1246                         extend_win->area[0].y_offset = win->area[0].y_offset;
1247                         if (extend_dev_drv->rotate_mode > X_Y_MIRROR) {
1248                                 rk_fb_rotate(extend_info, info,
1249                                                 win->area[0].y_offset);
1250                         } else {
1251                                 extend_win->area[0].smem_start =
1252                                                 win->area[0].smem_start;
1253                                 extend_win->area[0].cbr_start =
1254                                                 win->area[0].cbr_start;
1255                         }
1256                         extend_dev_drv->ops->pan_display(extend_dev_drv,
1257                                                          extend_win_id);
1258                 }
1259         }
1260 #ifdef  CONFIG_FB_MIRRORING
1261         if (video_data_to_mirroring)
1262                 video_data_to_mirroring(info, NULL);
1263 #endif
1264         dev_drv->ops->cfg_done(dev_drv);
1265         return 0;
1266 }
1267
1268 static int rk_fb_get_list_stat(struct rk_lcdc_driver *dev_drv)
1269 {
1270         int i, j;
1271         i = list_empty(&dev_drv->update_regs_list);
1272         j = list_empty(&saved_list);
1273         return i == j ? 0 : 1;
1274
1275 }
1276
1277 void rk_fd_fence_wait(struct rk_lcdc_driver *dev_drv, struct sync_fence *fence)
1278 {
1279         int err = sync_fence_wait(fence, 1000);
1280
1281         if (err >= 0)
1282                 return;
1283
1284         if (err == -ETIME)
1285                 err = sync_fence_wait(fence, 10 * MSEC_PER_SEC);
1286
1287         if (err < 0)
1288                 printk("error waiting on fence\n");
1289 }
1290
1291 static int rk_fb_copy_from_loader(struct fb_info *info)
1292 {
1293         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
1294         void *dst = info->screen_base;
1295         u32 dsp_addr[4];
1296         u32 src;
1297         u32 i;
1298         struct rk_lcdc_win *win = dev_drv->win[0];
1299         u32 size = (win->area[0].xact) * (win->area[0].yact) << 2;
1300         dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1301         src = dsp_addr[0];
1302         dev_info(info->dev, "copy fb data %d x %d  from  dst_addr:%08x\n",
1303                  win->area[0].xact, win->area[0].yact, src);
1304         for (i = 0; i < size; i += PAGE_SIZE) {
1305                 void *page = phys_to_page(i + src);
1306                 void *from_virt = kmap(page);
1307                 void *to_virt = dst + i;
1308                 memcpy(to_virt, from_virt, PAGE_SIZE);
1309         }
1310         return 0;
1311 }
1312
1313 #ifdef CONFIG_ROCKCHIP_IOMMU
1314 static int g_last_addr[4];
1315 int g_last_timeout;
1316 u32 freed_addr[10];
1317 u32 freed_index;
1318
1319 #define DUMP_CHUNK 256
1320 char buf[PAGE_SIZE];
1321
1322 int rk_fb_sysmmu_fault_handler(struct device *dev,
1323                                enum rk_sysmmu_inttype itype,
1324                                unsigned long pgtable_base,
1325                                unsigned long fault_addr, unsigned int status)
1326 {
1327         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
1328         int i = 0;
1329         static int page_fault_cnt;
1330         if ((page_fault_cnt++) >= 10)
1331                 return 0;
1332         pr_err
1333             ("PAGE FAULT occurred at 0x%lx (Page table base: 0x%lx),status=%d\n",
1334              fault_addr, pgtable_base, status);
1335         printk("last config addr:\n" "win0:0x%08x\n" "win1:0x%08x\n"
1336                "win2:0x%08x\n" "win3:0x%08x\n", g_last_addr[0], g_last_addr[1],
1337                g_last_addr[2], g_last_addr[3]);
1338         printk("last freed buffer:\n");
1339         for (i = 0; (freed_addr[i] != 0xfefefefe) && freed_addr[i]; i++)
1340                 printk("%d:0x%08x\n", i, freed_addr[i]);
1341         printk("last timeout:%d\n", g_last_timeout);
1342         dev_drv->ops->get_disp_info(dev_drv, buf, 0);
1343         for (i = 0; i < PAGE_SIZE; i += DUMP_CHUNK) {
1344                 if ((PAGE_SIZE - i) > DUMP_CHUNK) {
1345                         char c = buf[i + DUMP_CHUNK];
1346                         buf[i + DUMP_CHUNK] = 0;
1347                         pr_cont("%s", buf + i);
1348                         buf[i + DUMP_CHUNK] = c;
1349                 } else {
1350                         buf[PAGE_SIZE - 1] = 0;
1351                         pr_cont("%s", buf + i);
1352                 }
1353         }
1354
1355         return 0;
1356 }
1357 #endif
1358
1359 void rk_fb_free_dma_buf(struct rk_lcdc_driver *dev_drv,
1360                         struct rk_fb_reg_win_data *reg_win_data)
1361 {
1362         int i, index_buf;
1363         struct rk_fb_reg_area_data *area_data;
1364         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1365
1366         for (i = 0; i < reg_win_data->area_num; i++) {
1367                 area_data = &reg_win_data->reg_area_data[i];
1368                 index_buf = area_data->index_buf;
1369 #if defined(CONFIG_ROCKCHIP_IOMMU)
1370                 if (dev_drv->iommu_enabled) {
1371                         ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client,
1372                                         area_data->ion_handle);
1373                         freed_addr[freed_index++] = area_data->smem_start;
1374                 }
1375 #endif
1376                 if (area_data->ion_handle != NULL) {
1377                         ion_unmap_kernel(rk_fb->ion_client,
1378                                          area_data->ion_handle);
1379                         ion_free(rk_fb->ion_client, area_data->ion_handle);
1380                 }
1381                 if (area_data->acq_fence)
1382                         sync_fence_put(area_data->acq_fence);
1383         }
1384         memset(reg_win_data, 0, sizeof(struct rk_fb_reg_win_data));
1385 }
1386
1387 static void rk_fb_update_driver(struct rk_lcdc_win *win,
1388                                 struct rk_fb_reg_win_data *reg_win_data)
1389 {
1390         int i = 0;
1391 /*
1392         struct rk_lcdc_win *win;
1393         win = dev_drv->win[reg_win_data->win_id];
1394 */
1395         win->area_num = reg_win_data->area_num;
1396         win->format = reg_win_data->data_format;
1397         win->id = reg_win_data->win_id;
1398         win->z_order = reg_win_data->z_order;
1399
1400         if (reg_win_data->reg_area_data[0].smem_start > 0) {
1401                 win->state = 1;
1402                 win->area_num = reg_win_data->area_num;
1403                 win->format = reg_win_data->data_format;
1404                 win->id = reg_win_data->win_id;
1405                 win->z_order = reg_win_data->z_order;
1406                 win->area[0].uv_vir_stride =
1407                     reg_win_data->reg_area_data[0].uv_vir_stride;
1408
1409 #if !defined(RK_FB_ROTATE) && defined(CONFIG_THREE_FB_BUFFER)
1410                 /* TODO Mofidy if HDMI info is change to hwc */
1411                 win->area[0].cbr_start =
1412                     reg_win_data->reg_area_data[0].cbr_start;
1413 #endif
1414                 win->area[0].c_offset = reg_win_data->reg_area_data[0].c_offset;
1415                 win->alpha_en = reg_win_data->alpha_en;
1416                 win->alpha_mode = reg_win_data->alpha_mode;
1417                 win->g_alpha_val = reg_win_data->g_alpha_val;
1418                 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
1419                         if (reg_win_data->reg_area_data[i].smem_start > 0) {
1420 #if !defined(RK_FB_ROTATE) && defined(CONFIG_THREE_FB_BUFFER)
1421                                 win->area[i].smem_start =
1422                                     reg_win_data->reg_area_data[i].smem_start;
1423 #endif
1424                                 win->area[i].xpos =
1425                                     reg_win_data->reg_area_data[i].xpos;
1426                                 win->area[i].ypos =
1427                                     reg_win_data->reg_area_data[i].ypos;
1428                                 win->area[i].xsize =
1429                                     reg_win_data->reg_area_data[i].xsize;
1430                                 win->area[i].ysize =
1431                                     reg_win_data->reg_area_data[i].ysize;
1432                                 win->area[i].xact =
1433                                     reg_win_data->reg_area_data[i].xact;
1434                                 win->area[i].yact =
1435                                     reg_win_data->reg_area_data[i].yact;
1436                                 win->area[i].xvir =
1437                                     reg_win_data->reg_area_data[i].xvir;
1438                                 win->area[i].yvir =
1439                                     reg_win_data->reg_area_data[i].yvir;
1440                                 win->area[i].y_offset =
1441                                     reg_win_data->reg_area_data[i].y_offset;
1442                                 win->area[i].y_vir_stride =
1443                                     reg_win_data->reg_area_data[i].y_vir_stride;
1444                                 win->area[i].state = 1;
1445                         } else {
1446                                 win->area[i].state = 0;
1447                         }
1448                 }
1449         } else {
1450         /*
1451                 win->state = 0;
1452                 win->z_order = -1;
1453         */
1454         }
1455
1456 }
1457
1458 static struct rk_fb_reg_win_data *rk_fb_get_win_data(struct rk_fb_reg_data
1459                                                      *regs, int win_id)
1460 {
1461         int i;
1462         struct rk_fb_reg_win_data *win_data = NULL;
1463         for (i = 0; i < regs->win_num; i++) {
1464                 if (regs->reg_win_data[i].win_id == win_id) {
1465                         win_data = &(regs->reg_win_data[i]);
1466                         break;
1467                 }
1468         }
1469
1470         return win_data;
1471 }
1472
1473 static void rk_fb_update_reg(struct rk_lcdc_driver *dev_drv,
1474                              struct rk_fb_reg_data *regs)
1475 {
1476         int i, j;
1477         struct rk_lcdc_win *win;
1478         ktime_t timestamp = dev_drv->vsync_info.timestamp;
1479         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1480         struct rk_lcdc_driver *ext_dev_drv;
1481         struct rk_lcdc_win *ext_win;
1482         struct rk_fb_reg_win_data *win_data;
1483         bool wait_for_vsync;
1484         int count = 100;
1485         unsigned int dsp_addr[4];
1486         long timeout;
1487
1488         /* acq_fence wait */
1489         for (i = 0; i < regs->win_num; i++) {
1490                 win_data = &regs->reg_win_data[i];
1491                 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1492                         if (win_data->reg_area_data[j].acq_fence) {
1493                                 /* printk("acq_fence wait!!!!!\n"); */
1494                                 rk_fd_fence_wait(dev_drv, win_data->reg_area_data[j].acq_fence);
1495                         }
1496                 }
1497         }
1498
1499         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1500                 win = dev_drv->win[i];
1501                 win_data = rk_fb_get_win_data(regs, i);
1502                 if (win_data) {
1503                         rk_fb_update_driver(win, win_data);
1504                         win->state = 1;
1505                         dev_drv->ops->set_par(dev_drv, i);
1506                         dev_drv->ops->pan_display(dev_drv, i);
1507 #if defined(CONFIG_ROCKCHIP_IOMMU)
1508                         if (dev_drv->iommu_enabled) {
1509                                 g_last_addr[i] = win_data->reg_area_data[0].smem_start +
1510                                         win_data->reg_area_data[0].y_offset;
1511                         }
1512 #endif
1513                 } else {
1514                         win->z_order = -1;
1515                         win->state = 0;
1516                 }
1517         }
1518         dev_drv->ops->ovl_mgr(dev_drv, 0, 1);
1519
1520         if ((rk_fb->disp_mode == DUAL)
1521             && (hdmi_get_hotplug() == HDMI_HPD_ACTIVED)
1522             && hdmi_switch_complete) {
1523                 for (i = 0; i < rk_fb->num_lcdc; i++) {
1524                         if (rk_fb->lcdc_dev_drv[i]->prop == EXTEND) {
1525                                 ext_dev_drv = rk_fb->lcdc_dev_drv[i];
1526                                 break;
1527                         }
1528                 }
1529                 if (i == rk_fb->num_lcdc) {
1530                         printk(KERN_ERR "hdmi lcdc driver not found!\n");
1531                         goto ext_win_exit;
1532                 }
1533                 /* hdmi just need set win0 only(win0 have only one area)
1534                  * other win is disable
1535                  */
1536                 win = dev_drv->win[0];
1537                 ext_win = ext_dev_drv->win[0];
1538                 for (j = 0; j < regs->win_num; j++) {
1539                         if (0 == regs->reg_win_data[j].win_id)
1540                                 break;
1541                 }
1542                 if (j < regs->win_num) {
1543                         rk_fb_update_driver(ext_win, &regs->reg_win_data[j]);
1544                         if (win->area[0].xpos != 0 || win->area[0].ypos != 0) {
1545                                 ext_win->area[0].xsize =
1546                                     (ext_dev_drv->cur_screen->xsize * win->area[0].xsize) /
1547                                     dev_drv->cur_screen->mode.xres;
1548                                 ext_win->area[0].ysize =
1549                                     (ext_dev_drv->cur_screen->ysize * win->area[0].ysize) /
1550                                     dev_drv->cur_screen->mode.yres;
1551                                 ext_win->area[0].xpos =
1552                                     ((ext_dev_drv->cur_screen->mode.xres - ext_dev_drv->cur_screen->xsize) >> 1) +
1553                                     ext_dev_drv->cur_screen->xsize * win->area[0].xpos / dev_drv->cur_screen->mode.xres;
1554                                 ext_win->area[0].ypos =
1555                                     ((ext_dev_drv->cur_screen->mode.yres - ext_dev_drv->cur_screen->ysize) >> 1) +
1556                                     ext_dev_drv->cur_screen->ysize * win->area[0].ypos / dev_drv->cur_screen->mode.yres;
1557                         } else {
1558                                 ext_win->area[0].xpos =
1559                                     (ext_dev_drv->cur_screen->mode.xres - ext_dev_drv->cur_screen->xsize) >> 1;
1560                                 ext_win->area[0].ypos =
1561                                     (ext_dev_drv->cur_screen->mode.yres - ext_dev_drv->cur_screen->ysize) >> 1;
1562                                 ext_win->area[0].xsize = ext_dev_drv->cur_screen->xsize;
1563                                 ext_win->area[0].ysize = ext_dev_drv->cur_screen->ysize;
1564                         }
1565                         /* hdmi only one win so disable alpha */
1566                         ext_win->alpha_en = 0;
1567                         ext_win->state = 1;
1568                 } else {
1569                         ext_win->state = 0;
1570                 }
1571
1572                 if (win->area[0].xact < win->area[0].yact) {
1573                         int pixel_width, vir_width_bit, stride;
1574                         ext_win->area[0].xact = win->area[0].yact;
1575                         ext_win->area[0].yact = win->area[0].xact;
1576                         ext_win->area[0].xvir = win->area[0].yact;
1577                         pixel_width = rk_fb_pixel_width(ext_win->format);
1578                         vir_width_bit = pixel_width * ext_win->area[0].xvir;
1579                         stride = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
1580                         ext_win->area[0].y_vir_stride = stride >> 2;
1581                 }
1582                 if (ext_dev_drv->rotate_mode > X_Y_MIRROR)
1583                         rk_fb_win_rotate(ext_win, win, ext_dev_drv->rotate_mode);
1584
1585                 ext_dev_drv->ops->set_par(ext_dev_drv, 0);
1586                 ext_dev_drv->ops->pan_display(ext_dev_drv, 0);
1587                 ext_dev_drv->ops->cfg_done(ext_dev_drv);
1588         }
1589 ext_win_exit:
1590         dev_drv->ops->cfg_done(dev_drv);
1591
1592         do {
1593                 timestamp = dev_drv->vsync_info.timestamp;
1594                 timeout = wait_event_interruptible_timeout(dev_drv->vsync_info.wait,
1595                                 ktime_compare(dev_drv->vsync_info.timestamp, timestamp) > 0,
1596                                 msecs_to_jiffies(25));
1597                 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1598                 wait_for_vsync = false;
1599                 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1600                         if (dev_drv->win[i]->state == 1) {
1601                                 u32 new_start =
1602                                     dev_drv->win[i]->area[0].smem_start +
1603                                     dev_drv->win[i]->area[0].y_offset;
1604                                 u32 reg_start = dsp_addr[i];
1605
1606                                 if (unlikely(new_start != reg_start)) {
1607                                         wait_for_vsync = true;
1608                                         dev_info(dev_drv->dev,
1609                                                "win%d:new_addr:0x%08x cur_addr:0x%08x--%d\n",
1610                                                i, new_start, reg_start, 101 - count);
1611                                         break;
1612                                 }
1613                         }
1614                 }
1615         } while (wait_for_vsync && count--);
1616 #ifdef H_USE_FENCE
1617         sw_sync_timeline_inc(dev_drv->timeline, 1);
1618 #endif
1619         if (!g_first_buf) {
1620 #if defined(CONFIG_ROCKCHIP_IOMMU)
1621                 if (dev_drv->iommu_enabled) {
1622                         freed_index = 0;
1623                         g_last_timeout = timeout;
1624                 }
1625 #endif
1626                 for (i = 0; i < g_last_win_num; i++)
1627                         rk_fb_free_dma_buf(dev_drv, &g_reg_win_data[i]);
1628
1629 #if defined(CONFIG_ROCKCHIP_IOMMU)
1630                 if (dev_drv->iommu_enabled)
1631                         freed_addr[freed_index] = 0xfefefefe;
1632 #endif
1633         }
1634         for (i = 0; i < regs->win_num; i++) {
1635                 memcpy(&g_reg_win_data[i], &(regs->reg_win_data[i]),
1636                        sizeof(struct rk_fb_reg_win_data));
1637         }
1638         g_last_win_num = regs->win_num;
1639         g_first_buf = 0;
1640
1641 }
1642
1643 static void rk_fb_update_regs_handler(struct kthread_work *work)
1644 {
1645         struct rk_lcdc_driver *dev_drv =
1646             container_of(work, struct rk_lcdc_driver, update_regs_work);
1647         struct rk_fb_reg_data *data, *next;
1648         /* struct list_head saved_list; */
1649
1650         mutex_lock(&dev_drv->update_regs_list_lock);
1651         saved_list = dev_drv->update_regs_list;
1652         list_replace_init(&dev_drv->update_regs_list, &saved_list);
1653         mutex_unlock(&dev_drv->update_regs_list_lock);
1654
1655         list_for_each_entry_safe(data, next, &saved_list, list) {
1656                 rk_fb_update_reg(dev_drv, data);
1657                 list_del(&data->list);
1658                 kfree(data);
1659         }
1660
1661         if (dev_drv->wait_fs && list_empty(&dev_drv->update_regs_list))
1662                 wake_up(&dev_drv->update_regs_wait);
1663 }
1664
1665 static int rk_fb_check_config_var(struct rk_fb_area_par *area_par,
1666                                   struct rk_screen *screen)
1667 {
1668         if ((area_par->x_offset + area_par->xact > area_par->xvir) ||
1669             (area_par->xact <= 0) || (area_par->yact <= 0) ||
1670             (area_par->xvir <= 0) || (area_par->yvir <= 0)) {
1671                 pr_err("check config var fail 0:\n"
1672                        "x_offset=%d,xact=%d,xvir=%d\n",
1673                        area_par->x_offset, area_par->xact, area_par->xvir);
1674                 return -EINVAL;
1675         }
1676
1677         if ((area_par->xpos + area_par->xsize > screen->mode.xres) ||
1678             (area_par->ypos + area_par->ysize > screen->mode.yres) ||
1679             (area_par->xsize <= 0) || (area_par->ysize <= 0)) {
1680                 pr_err("check config var fail 1:\n"
1681                        "xpos=%d,xsize=%d,xres=%d\n"
1682                        "ypos=%d,ysize=%d,yres=%d\n",
1683                        area_par->xpos, area_par->xsize, screen->mode.xres,
1684                        area_par->ypos, area_par->ysize, screen->mode.yres);
1685                 return -EINVAL;
1686         }
1687         return 0;
1688 }
1689
1690 static int rk_fb_set_win_buffer(struct fb_info *info,
1691                                 struct rk_fb_win_par *win_par,
1692                                 struct rk_fb_reg_win_data *reg_win_data)
1693 {
1694         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
1695         struct fb_fix_screeninfo *fix = &info->fix;
1696         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
1697         struct rk_screen *screen = dev_drv->cur_screen;
1698         struct fb_info *fbi = rk_fb->fb[0];
1699         int i, ion_fd, acq_fence_fd;
1700         u32 xvir, yvir;
1701         u32 xoffset, yoffset;
1702
1703         struct ion_handle *hdl;
1704         size_t len;
1705         int index_buf;
1706         u8 fb_data_fmt;
1707         u8 pixel_width;
1708         u32 vir_width_bit;
1709         u32 stride, uv_stride;
1710         u32 stride_32bit_1;
1711         u32 stride_32bit_2;
1712         u16 uv_x_off, uv_y_off, uv_y_act;
1713         u8 is_pic_yuv = 0;
1714         u8 ppixel_a = 0, global_a = 0;
1715         ion_phys_addr_t phy_addr;
1716
1717         reg_win_data->reg_area_data[0].smem_start = -1;
1718         reg_win_data->area_num = 0;
1719         fbi = rk_fb->fb[reg_win_data->win_id];
1720         if (win_par->area_par[0].phy_addr == 0) {
1721                 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
1722                         ion_fd = win_par->area_par[i].ion_fd;
1723                         if (ion_fd > 0) {
1724                                 hdl =
1725                                     ion_import_dma_buf(rk_fb->ion_client,
1726                                                        ion_fd);
1727                                 if (IS_ERR(hdl)) {
1728                                         pr_info
1729                                             ("%s: Could not import handle: %d\n",
1730                                              __func__, (int)hdl);
1731                                         /*return -EINVAL; */
1732                                         break;
1733                                 }
1734                                 fbi->screen_base =
1735                                     ion_map_kernel(rk_fb->ion_client, hdl);
1736                                 reg_win_data->area_num++;
1737                                 reg_win_data->reg_area_data[i].ion_handle = hdl;
1738 #ifndef CONFIG_ROCKCHIP_IOMMU
1739                                 ion_phys(rk_fb->ion_client, hdl, &phy_addr,
1740                                          &len);
1741 #else
1742                                 if (dev_drv->iommu_enabled)
1743                                         ion_map_iommu(dev_drv->dev,
1744                                                       rk_fb->ion_client,
1745                                                       hdl,
1746                                                       (unsigned long *)&phy_addr,
1747                                                       (unsigned long *)&len);
1748                                 else
1749                                         ion_phys(rk_fb->ion_client, hdl,
1750                                                  &phy_addr, &len);
1751 #endif
1752                                 reg_win_data->reg_area_data[i].smem_start = phy_addr;
1753                                 reg_win_data->area_buf_num++;
1754                                 reg_win_data->reg_area_data[i].index_buf = 1;
1755                         }
1756                 }
1757         } else {
1758                 reg_win_data->reg_area_data[0].smem_start =
1759                     win_par->area_par[0].phy_addr;
1760                 reg_win_data->area_num = 1;
1761                 fbi->screen_base = phys_to_virt(win_par->area_par[0].phy_addr);
1762         }
1763
1764         if (reg_win_data->area_num == 0)
1765                 return 0;
1766
1767         for (i = 0; i < reg_win_data->area_num; i++) {
1768                 acq_fence_fd = win_par->area_par[i].acq_fence_fd;
1769                 index_buf = reg_win_data->reg_area_data[i].index_buf;
1770                 if ((acq_fence_fd > 0) && (index_buf == 1)) {
1771                         reg_win_data->reg_area_data[i].acq_fence =
1772                             sync_fence_fdget(win_par->area_par[i].acq_fence_fd);
1773                 }
1774         }
1775         fb_data_fmt = rk_fb_data_fmt(win_par->data_format, 0);
1776         reg_win_data->data_format = fb_data_fmt;
1777         pixel_width = rk_fb_pixel_width(fb_data_fmt);
1778
1779         ppixel_a = ((fb_data_fmt == ARGB888)
1780                     || (fb_data_fmt == ABGR888)) ? 1 : 0;
1781         global_a = (win_par->g_alpha_val == 0) ? 0 : 1;
1782         reg_win_data->alpha_en = ppixel_a | global_a;
1783         reg_win_data->g_alpha_val = win_par->g_alpha_val;
1784         reg_win_data->alpha_mode = win_par->alpha_mode;
1785         if (reg_win_data->reg_area_data[0].smem_start > 0) {
1786                 reg_win_data->z_order = win_par->z_order;
1787                 reg_win_data->win_id = win_par->win_id;
1788         } else {
1789                 reg_win_data->z_order = -1;
1790                 reg_win_data->win_id = -1;
1791         }
1792         for (i = 0; i < reg_win_data->area_num; i++) {
1793                 rk_fb_check_config_var(&win_par->area_par[i], screen);
1794                 /* visiable pos in panel */
1795                 reg_win_data->reg_area_data[i].xpos = win_par->area_par[i].xpos;
1796                 reg_win_data->reg_area_data[i].ypos = win_par->area_par[i].ypos;
1797
1798                 /* realy size in panel */
1799                 reg_win_data->reg_area_data[i].xsize = win_par->area_par[i].xsize;
1800                 reg_win_data->reg_area_data[i].ysize = win_par->area_par[i].ysize;
1801
1802                 /* realy size in panel */
1803                 reg_win_data->reg_area_data[i].xact = win_par->area_par[i].xact;
1804                 reg_win_data->reg_area_data[i].yact = win_par->area_par[i].yact;
1805
1806                 xoffset = win_par->area_par[i].x_offset;        /* buf offset */
1807                 yoffset = win_par->area_par[i].y_offset;
1808                 xvir = win_par->area_par[i].xvir;
1809                 reg_win_data->reg_area_data[i].xvir = xvir;
1810                 yvir = win_par->area_par[i].yvir;
1811                 reg_win_data->reg_area_data[i].yvir = yvir;
1812
1813                 vir_width_bit = pixel_width * xvir;
1814                 /* pixel_width = byte_num*8 */
1815                 stride_32bit_1 = ((vir_width_bit + 31) & (~31)) / 8;
1816                 stride_32bit_2 = ((vir_width_bit * 2 + 31) & (~31)) / 8;
1817
1818                 stride = stride_32bit_1;        /* default rgb */
1819                 fix->line_length = stride;
1820                 reg_win_data->reg_area_data[i].y_vir_stride = stride >> 2;
1821
1822                 /* x y mirror ,jump line
1823                  * reg_win_data->reg_area_data[i].y_offset =
1824                  *              yoffset*stride+xoffset*pixel_width/8;
1825                  */
1826                 if (screen->y_mirror == 1) {
1827                         if (screen->interlace == 1) {
1828                                 reg_win_data->reg_area_data[i].y_offset =
1829                                     yoffset * stride * 2 +
1830                                     ((reg_win_data->reg_area_data[i].yact - 1) * 2 + 1) * stride +
1831                                     xoffset * pixel_width / 8;
1832                         } else {
1833                                 reg_win_data->reg_area_data[i].y_offset =
1834                                     yoffset * stride +
1835                                     (reg_win_data->reg_area_data[i].yact - 1) * stride +
1836                                     xoffset * pixel_width / 8;
1837                         }
1838                 } else {
1839                         if (screen->interlace == 1) {
1840                                 reg_win_data->reg_area_data[i].y_offset =
1841                                     yoffset * stride * 2 +
1842                                     xoffset * pixel_width / 8;
1843                         } else {
1844                                 reg_win_data->reg_area_data[i].y_offset =
1845                                     yoffset * stride +
1846                                     xoffset * pixel_width / 8;
1847                         }
1848                 }
1849
1850         }
1851         switch (fb_data_fmt) {
1852         case YUV422:
1853         case YUV422_A:
1854                 is_pic_yuv = 1;
1855                 stride = stride_32bit_1;
1856                 uv_stride = stride_32bit_1 >> 1;
1857                 uv_x_off = xoffset >> 1;
1858                 uv_y_off = yoffset;
1859                 fix->line_length = stride;
1860                 uv_y_act = win_par->area_par[0].yact >> 1;
1861                 break;
1862         case YUV420:            /* 420sp */
1863         case YUV420_A:
1864                 is_pic_yuv = 1;
1865                 stride = stride_32bit_1;
1866                 uv_stride = stride_32bit_1;
1867                 uv_x_off = xoffset;
1868                 uv_y_off = yoffset >> 1;
1869                 fix->line_length = stride;
1870                 uv_y_act = win_par->area_par[0].yact >> 1;
1871                 break;
1872         case YUV444:
1873         case YUV444_A:
1874                 is_pic_yuv = 1;
1875                 stride = stride_32bit_1;
1876                 uv_stride = stride_32bit_2;
1877                 uv_x_off = xoffset * 2;
1878                 uv_y_off = yoffset;
1879                 fix->line_length = stride << 2;
1880                 uv_y_act = win_par->area_par[0].yact;
1881                 break;
1882         default:
1883                 break;
1884         }
1885         if (is_pic_yuv == 1) {
1886                 reg_win_data->reg_area_data[0].cbr_start =
1887                     reg_win_data->reg_area_data[0].smem_start + xvir * yvir;
1888                 reg_win_data->reg_area_data[0].uv_vir_stride = uv_stride >> 2;
1889                 if (screen->y_mirror == 1) {
1890                         if (screen->interlace == 1) {
1891                                 reg_win_data->reg_area_data[0].c_offset =
1892                                     uv_y_off * uv_stride * 2 +
1893                                     ((uv_y_act - 1) * 2 + 1) * uv_stride +
1894                                     uv_x_off * pixel_width / 8;
1895                         } else {
1896                                 reg_win_data->reg_area_data[0].c_offset =
1897                                     uv_y_off * uv_stride +
1898                                     (uv_y_act - 1) * uv_stride +
1899                                     uv_x_off * pixel_width / 8;
1900                         }
1901                 } else {
1902                         if (screen->interlace == 1) {
1903                                 reg_win_data->reg_area_data[0].c_offset =
1904                                     uv_y_off * uv_stride * 2 +
1905                                     uv_x_off * pixel_width / 8;
1906                         } else {
1907                                 reg_win_data->reg_area_data[0].c_offset =
1908                                     uv_y_off * uv_stride +
1909                                     uv_x_off * pixel_width / 8;
1910                         }
1911                 }
1912         }
1913         return 0;
1914 }
1915
1916 static int rk_fb_set_win_config(struct fb_info *info,
1917                                 struct rk_fb_win_cfg_data *win_data)
1918 {
1919         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
1920         struct rk_fb_reg_data *regs;
1921 #ifdef H_USE_FENCE
1922         struct sync_fence *release_fence[RK_MAX_BUF_NUM];
1923         struct sync_fence *retire_fence;
1924         struct sync_pt *release_sync_pt[RK_MAX_BUF_NUM];
1925         struct sync_pt *retire_sync_pt;
1926         char fence_name[20];
1927 #endif
1928         int ret = 0, i, j = 0;
1929         int list_is_empty = 0;
1930
1931         regs = kzalloc(sizeof(struct rk_fb_reg_data), GFP_KERNEL);
1932         if (!regs) {
1933                 printk(KERN_INFO "could not allocate rk_fb_reg_data\n");
1934                 ret = -ENOMEM;
1935                 return ret;
1936         }
1937
1938 /*
1939         regs->post_cfg.xpos = win_data->post_cfg.xpos;
1940         regs->post_cfg.ypos = win_data->post_cfg.ypos;
1941         regs->post_cfg.xsize = win_data->post_cfg.xsize;
1942         regs->post_cfg.ysize = win_data->post_cfg.xsize;
1943 */
1944
1945         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1946                 if (win_data->win_par[i].win_id < dev_drv->lcdc_win_num) {
1947                         rk_fb_set_win_buffer(info, &win_data->win_par[i],
1948                                              &regs->reg_win_data[j]);
1949                         if (regs->reg_win_data[j].area_num > 0) {
1950                                 regs->win_num++;
1951                                 regs->buf_num +=
1952                                     regs->reg_win_data[j].area_buf_num;
1953                         }
1954                         j++;
1955                 } else {
1956                         printk(KERN_INFO "error:win_id bigger than lcdc_win_num\n");
1957                         printk(KERN_INFO "i=%d,win_id=%d\n", i,
1958                                win_data->win_par[i].win_id);
1959                 }
1960         }
1961
1962         mutex_lock(&dev_drv->output_lock);
1963         if (!(dev_drv->suspend_flag == 0)) {
1964                 rk_fb_update_reg(dev_drv, regs);
1965                 kfree(regs);
1966                 printk(KERN_INFO "suspend_flag = 1\n");
1967                 goto err;
1968         }
1969
1970         dev_drv->timeline_max++;
1971 #ifdef H_USE_FENCE
1972         for (i = 0; i < RK_MAX_BUF_NUM; i++) {
1973                 if (i < regs->buf_num) {
1974                         sprintf(fence_name, "fence%d", i);
1975                         win_data->rel_fence_fd[i] = get_unused_fd();
1976                         if (win_data->rel_fence_fd[i] < 0) {
1977                                 printk(KERN_INFO "rel_fence_fd=%d\n",
1978                                        win_data->rel_fence_fd[i]);
1979                                 ret = -EFAULT;
1980                                 goto err;
1981                         }
1982                         release_sync_pt[i] =
1983                             sw_sync_pt_create(dev_drv->timeline,
1984                                               dev_drv->timeline_max);
1985                         release_fence[i] =
1986                             sync_fence_create(fence_name, release_sync_pt[i]);
1987                         sync_fence_install(release_fence[i],
1988                                            win_data->rel_fence_fd[i]);
1989                 } else {
1990                         win_data->rel_fence_fd[i] = -1;
1991                 }
1992         }
1993
1994         win_data->ret_fence_fd = get_unused_fd();
1995         if (win_data->ret_fence_fd < 0) {
1996                 printk("ret_fence_fd=%d\n", win_data->ret_fence_fd);
1997                 ret = -EFAULT;
1998                 goto err;
1999         }
2000         retire_sync_pt =
2001             sw_sync_pt_create(dev_drv->timeline, dev_drv->timeline_max);
2002         retire_fence = sync_fence_create("ret_fence", retire_sync_pt);
2003         sync_fence_install(retire_fence, win_data->ret_fence_fd);
2004 #else
2005         for (i = 0; i < RK_MAX_BUF_NUM; i++)
2006                 win_data->rel_fence_fd[i] = -1;
2007
2008         win_data->ret_fence_fd = -1;
2009 #endif
2010         if (dev_drv->wait_fs == 0) {
2011                 mutex_lock(&dev_drv->update_regs_list_lock);
2012                 list_add_tail(&regs->list, &dev_drv->update_regs_list);
2013                 mutex_unlock(&dev_drv->update_regs_list_lock);
2014                 queue_kthread_work(&dev_drv->update_regs_worker,
2015                                    &dev_drv->update_regs_work);
2016         } else {
2017                 mutex_lock(&dev_drv->update_regs_list_lock);
2018                 list_is_empty = list_empty(&dev_drv->update_regs_list) &&
2019                                         list_empty(&saved_list);
2020                 mutex_unlock(&dev_drv->update_regs_list_lock);
2021                 if (!list_is_empty) {
2022                         ret = wait_event_timeout(dev_drv->update_regs_wait,
2023                                 list_empty(&dev_drv->update_regs_list) && list_empty(&saved_list),
2024                                 msecs_to_jiffies(60));
2025                         if (ret > 0)
2026                                 rk_fb_update_reg(dev_drv, regs);
2027                         else
2028                                 printk("%s: wait update_regs_wait timeout\n", __func__);
2029                 } else if (ret == 0) {
2030                         rk_fb_update_reg(dev_drv, regs);
2031                 }
2032                 kfree(regs);
2033         }
2034
2035 err:
2036         mutex_unlock(&dev_drv->output_lock);
2037         return ret;
2038 }
2039
2040 #if 1
2041 static int cfgdone_distlist[10] = { 0 };
2042
2043 static int cfgdone_index;
2044 static int cfgdone_lasttime;
2045
2046 int rk_get_real_fps(int before)
2047 {
2048         struct timespec now;
2049         int dist_curr;
2050         int dist_total = 0;
2051         int dist_count = 0;
2052         int dist_first = 0;
2053
2054         int index = cfgdone_index;
2055         int i = 0, fps = 0;
2056         int total;
2057
2058         if (before > 100)
2059                 before = 100;
2060         if (before < 0)
2061                 before = 0;
2062
2063         getnstimeofday(&now);
2064         dist_curr = (now.tv_sec * 1000000 + now.tv_nsec / 1000) -
2065                         cfgdone_lasttime;
2066         total = dist_curr;
2067         /*
2068            printk("fps: ");
2069          */
2070         for (i = 0; i < 10; i++) {
2071                 if (--index < 0)
2072                         index = 9;
2073                 total += cfgdone_distlist[index];
2074                 if (i == 0)
2075                         dist_first = cfgdone_distlist[index];
2076                 if (total < (before * 1000)) {
2077                         /*
2078                            printk("[%d:%d] ", dist_count, cfgdone_distlist[index]);
2079                          */
2080                         dist_total += cfgdone_distlist[index];
2081                         dist_count++;
2082                 } else {
2083                         break;
2084                 }
2085         }
2086
2087         /*
2088            printk("total %d, count %d, curr %d, ", dist_total, dist_count, dist_curr);
2089          */
2090         dist_curr = (dist_curr > dist_first) ? dist_curr : dist_first;
2091         dist_total += dist_curr;
2092         dist_count++;
2093
2094         if (dist_total > 0)
2095                 fps = (1000000 * dist_count) / dist_total;
2096         else
2097                 fps = 60;
2098
2099         /*
2100            printk("curr2 %d, fps=%d\n", dist_curr, fps);
2101          */
2102         return fps;
2103 }
2104 EXPORT_SYMBOL(rk_get_real_fps);
2105
2106 #endif
2107
2108 static int rk_fb_ioctl(struct fb_info *info, unsigned int cmd,
2109                        unsigned long arg)
2110 {
2111         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2112         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
2113         struct fb_fix_screeninfo *fix = &info->fix;
2114         int fb_id = 0, extend_win_id = 0;
2115         struct fb_info *extend_info = NULL;
2116         struct rk_lcdc_driver *extend_dev_drv = NULL;
2117         struct rk_lcdc_win *extend_win = NULL;
2118         struct rk_lcdc_win *win;
2119         int enable;     /* enable fb:1 enable;0 disable */
2120         int ovl;        /* overlay:0 win1 on the top of win0;1,win0 on the top of win1 */
2121         int num_buf;    /* buffer_number */
2122         int ret;
2123         struct rk_fb_win_cfg_data win_data;
2124         unsigned int dsp_addr[4];
2125         int list_stat;
2126
2127         int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2128
2129         void __user *argp = (void __user *)arg;
2130         win = dev_drv->win[win_id];
2131         if (rk_fb->disp_mode == DUAL) {
2132                 fb_id = get_extend_fb_id(info);
2133                 extend_info = rk_fb->fb[(rk_fb->num_fb >> 1) + fb_id];
2134                 extend_dev_drv = (struct rk_lcdc_driver *)extend_info->par;
2135                 extend_win_id = dev_drv->ops->fb_get_win_id(extend_dev_drv,
2136                                                             extend_info->fix.id);
2137                 extend_win = extend_dev_drv->win[extend_win_id];
2138         }
2139
2140         switch (cmd) {
2141         case RK_FBIOSET_YUV_ADDR:
2142                 {
2143                         u32 yuv_phy[2];
2144                         if (copy_from_user(yuv_phy, argp, 8))
2145                                 return -EFAULT;
2146                         fix->smem_start = yuv_phy[0];
2147                         fix->mmio_start = yuv_phy[1];
2148                         break;
2149                 }
2150         case RK_FBIOSET_ENABLE:
2151                 if (copy_from_user(&enable, argp, sizeof(enable)))
2152                         return -EFAULT;
2153                 dev_drv->ops->open(dev_drv, win_id, enable);
2154                 break;
2155         case RK_FBIOGET_ENABLE:
2156                 enable = dev_drv->ops->get_win_state(dev_drv, win_id);
2157                 if (copy_to_user(argp, &enable, sizeof(enable)))
2158                         return -EFAULT;
2159                 break;
2160         case RK_FBIOSET_OVERLAY_STA:
2161                 if (copy_from_user(&ovl, argp, sizeof(ovl)))
2162                         return -EFAULT;
2163                 dev_drv->ops->ovl_mgr(dev_drv, ovl, 1);
2164                 break;
2165         case RK_FBIOGET_OVERLAY_STA:
2166                 ovl = dev_drv->ops->ovl_mgr(dev_drv, 0, 0);
2167                 if (copy_to_user(argp, &ovl, sizeof(ovl)))
2168                         return -EFAULT;
2169                 break;
2170         case RK_FBIOPUT_NUM_BUFFERS:
2171                 if (copy_from_user(&num_buf, argp, sizeof(num_buf)))
2172                         return -EFAULT;
2173                 dev_drv->num_buf = num_buf;
2174                 break;
2175         case RK_FBIOSET_VSYNC_ENABLE:
2176                 if (copy_from_user(&enable, argp, sizeof(enable)))
2177                         return -EFAULT;
2178                 dev_drv->vsync_info.active = enable;
2179                 break;
2180
2181         case RK_FBIOGET_DSP_ADDR:
2182                 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
2183                 if (copy_to_user(argp, &dsp_addr, sizeof(dsp_addr)))
2184                         return -EFAULT;
2185                 break;
2186         case RK_FBIOGET_LIST_STA:
2187                 list_stat = rk_fb_get_list_stat(dev_drv);
2188                 if (copy_to_user(argp, &list_stat, sizeof(list_stat)))
2189                         return -EFAULT;
2190
2191                 break;
2192         case RK_FBIOGET_IOMMU_STA:
2193                 if (copy_to_user(argp, &dev_drv->iommu_enabled,
2194                                  sizeof(dev_drv->iommu_enabled)))
2195                         return -EFAULT;
2196                 break;
2197 #if defined(CONFIG_ION_ROCKCHIP)
2198         case RK_FBIOSET_DMABUF_FD:
2199                 {
2200                         int usr_fd;
2201                         struct ion_handle *hdl;
2202                         ion_phys_addr_t phy_addr;
2203                         size_t len;
2204                         if (copy_from_user(&usr_fd, argp, sizeof(usr_fd)))
2205                                 return -EFAULT;
2206                         hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2207                         ion_phys(rk_fb->ion_client, hdl, &phy_addr, &len);
2208                         fix->smem_start = phy_addr;
2209                         break;
2210                 }
2211         case RK_FBIOGET_DMABUF_FD:
2212                 {
2213                         int fd =
2214                             ion_share_dma_buf_fd(rk_fb->ion_client,
2215                                                  win->area[0].ion_hdl);
2216                         if (fd < 0) {
2217                                 dev_err(info->dev,
2218                                         "ion_share_dma_buf_fd failed\n");
2219                                 return fd;
2220                         }
2221                         if (copy_to_user(argp, &fd, sizeof(fd)))
2222                                 return -EFAULT;
2223                         break;
2224                 }
2225 #endif
2226         case RK_FBIOSET_CLEAR_FB:
2227                 memset(info->screen_base, 0, get_fb_size());
2228                 break;
2229         case RK_FBIOSET_CONFIG_DONE:
2230                 {
2231                         int curr = 0;
2232                         struct timespec now;
2233
2234                         getnstimeofday(&now);
2235                         curr = now.tv_sec * 1000000 + now.tv_nsec / 1000;
2236                         cfgdone_distlist[cfgdone_index++] =
2237                             curr - cfgdone_lasttime;
2238                         /*
2239                            printk("%d ", curr - cfgdone_lasttime);
2240                          */
2241                         cfgdone_lasttime = curr;
2242                         if (cfgdone_index >= 10)
2243                                 cfgdone_index = 0;
2244                 }
2245                 if (copy_from_user(&win_data,
2246                                    (struct rk_fb_win_cfg_data __user *)argp,
2247                                    sizeof(win_data))) {
2248                         ret = -EFAULT;
2249                         break;
2250                 };
2251
2252                 dev_drv->wait_fs = win_data.wait_fs;
2253                 rk_fb_set_win_config(info, &win_data);
2254
2255                 if (copy_to_user((struct rk_fb_win_cfg_data __user *)arg,
2256                                  &win_data, sizeof(win_data))) {
2257                         ret = -EFAULT;
2258                         break;
2259                 }
2260                 memset(&win_data, 0, sizeof(struct rk_fb_win_cfg_data));
2261                 break;
2262         default:
2263                 dev_drv->ops->ioctl(dev_drv, cmd, arg, win_id);
2264                 break;
2265         }
2266
2267         return 0;
2268 }
2269
2270 static int rk_fb_blank(int blank_mode, struct fb_info *info)
2271 {
2272         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
2273         struct fb_fix_screeninfo *fix = &info->fix;
2274         int win_id;
2275 #if defined(CONFIG_RK_HDMI)
2276         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2277 #endif
2278
2279         win_id = dev_drv->ops->fb_get_win_id(dev_drv, fix->id);
2280         if (win_id < 0)
2281                 return -ENODEV;
2282 #if defined(CONFIG_RK_HDMI)
2283         if ((rk_fb->disp_mode == ONE_DUAL)
2284             && (hdmi_get_hotplug() == HDMI_HPD_ACTIVED)) {
2285                 printk(KERN_INFO "hdmi is connect , not blank lcdc\n");
2286         } else
2287 #endif
2288         {
2289                 dev_drv->ops->blank(dev_drv, win_id, blank_mode);
2290         }
2291         return 0;
2292 }
2293
2294 static int rk_fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
2295 {
2296
2297         if ((0 == var->xres_virtual) || (0 == var->yres_virtual) ||
2298             (0 == var->xres) || (0 == var->yres) || (var->xres < 16) ||
2299             ((16 != var->bits_per_pixel) &&
2300             (32 != var->bits_per_pixel) &&
2301             (24 != var->bits_per_pixel))) {
2302                 dev_err(info->dev, "%s check var fail 1:\n"
2303                         "xres_vir:%d>>yres_vir:%d\n"
2304                         "xres:%d>>yres:%d\n"
2305                         "bits_per_pixel:%d\n",
2306                         info->fix.id,
2307                         var->xres_virtual,
2308                         var->yres_virtual,
2309                         var->xres, var->yres, var->bits_per_pixel);
2310                 return -EINVAL;
2311         }
2312
2313         if (((var->xoffset + var->xres) > var->xres_virtual) ||
2314             ((var->yoffset + var->yres) > (var->yres_virtual))) {
2315                 dev_err(info->dev, "%s check_var fail 2:\n"
2316                         "xoffset:%d>>xres:%d>>xres_vir:%d\n"
2317                         "yoffset:%d>>yres:%d>>yres_vir:%d\n",
2318                         info->fix.id,
2319                         var->xoffset,
2320                         var->xres,
2321                         var->xres_virtual,
2322                         var->yoffset, var->yres, var->yres_virtual);
2323                 return -EINVAL;
2324         }
2325
2326         return 0;
2327 }
2328
2329 static ssize_t rk_fb_read(struct fb_info *info, char __user *buf,
2330                           size_t count, loff_t *ppos)
2331 {
2332         unsigned long p = *ppos;
2333         u8 *buffer, *dst;
2334         u8 __iomem *src;
2335         int c, cnt = 0, err = 0;
2336         unsigned long total_size;
2337         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
2338         struct rk_lcdc_win *win = NULL;
2339         int win_id = 0;
2340
2341         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2342         if (win_id < 0)
2343                 return -ENODEV;
2344         else
2345                 win = dev_drv->win[win_id];
2346
2347         /* only read the current frame buffer */
2348         if (win->format == RGB565)
2349                 total_size = win->area[0].y_vir_stride * win->area[0].yact << 1;
2350         else if (win->format == YUV420) {
2351                 total_size =
2352                     (win->area[0].y_vir_stride * win->area[0].yact * 6);
2353         } else
2354                 total_size = win->area[0].y_vir_stride * win->area[0].yact << 2;
2355
2356         if (p >= total_size)
2357                 return 0;
2358
2359         if (count >= total_size)
2360                 count = total_size;
2361
2362         if (count + p > total_size)
2363                 count = total_size - p;
2364
2365         buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
2366         if (!buffer)
2367                 return -ENOMEM;
2368
2369         src = (u8 __iomem *) (info->screen_base + p + win->area[0].y_offset);
2370
2371         while (count) {
2372                 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
2373                 dst = buffer;
2374                 fb_memcpy_fromfb(dst, src, c);
2375                 dst += c;
2376                 src += c;
2377
2378                 if (copy_to_user(buf, buffer, c)) {
2379                         err = -EFAULT;
2380                         break;
2381                 }
2382                 *ppos += c;
2383                 buf += c;
2384                 cnt += c;
2385                 count -= c;
2386         }
2387
2388         kfree(buffer);
2389
2390         return (err) ? err : cnt;
2391 }
2392
2393 static ssize_t rk_fb_write(struct fb_info *info, const char __user *buf,
2394                            size_t count, loff_t *ppos)
2395 {
2396         unsigned long p = *ppos;
2397         u8 *buffer, *src;
2398         u8 __iomem *dst;
2399         int c, cnt = 0, err = 0;
2400         unsigned long total_size;
2401         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
2402         struct rk_lcdc_win *win = NULL;
2403         int win_id = 0;
2404
2405         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2406         if (win_id < 0)
2407                 return -ENODEV;
2408         else
2409                 win = dev_drv->win[win_id];
2410
2411         /* write the current frame buffer */
2412         if (win->format == RGB565)
2413                 total_size = win->area[0].xact * win->area[0].yact << 1;
2414         else
2415                 total_size = win->area[0].xact * win->area[0].yact << 2;
2416
2417         if (p > total_size)
2418                 return -EFBIG;
2419
2420         if (count > total_size) {
2421                 err = -EFBIG;
2422                 count = total_size;
2423         }
2424
2425         if (count + p > total_size) {
2426                 if (!err)
2427                         err = -ENOSPC;
2428
2429                 count = total_size - p;
2430         }
2431
2432         buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
2433         if (!buffer)
2434                 return -ENOMEM;
2435
2436         dst = (u8 __iomem *) (info->screen_base + p + win->area[0].y_offset);
2437
2438         while (count) {
2439                 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
2440                 src = buffer;
2441
2442                 if (copy_from_user(src, buf, c)) {
2443                         err = -EFAULT;
2444                         break;
2445                 }
2446
2447                 fb_memcpy_tofb(dst, src, c);
2448                 dst += c;
2449                 src += c;
2450                 *ppos += c;
2451                 buf += c;
2452                 cnt += c;
2453                 count -= c;
2454         }
2455
2456         kfree(buffer);
2457
2458         return (cnt) ? cnt : err;
2459
2460 }
2461
2462 static int rk_fb_set_par(struct fb_info *info)
2463 {
2464         struct fb_var_screeninfo *var = &info->var;
2465         struct fb_fix_screeninfo *fix = &info->fix;
2466         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
2467         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2468         int fb_id, extend_win_id = 0;
2469         struct fb_info *extend_info = NULL;
2470         struct rk_lcdc_driver *extend_dev_drv = NULL;
2471         struct rk_lcdc_win *extend_win = NULL;
2472         struct rk_lcdc_win *win = NULL;
2473         struct rk_screen *screen = dev_drv->cur_screen;
2474         struct rk_screen screen_primary;
2475         int win_id = 0;
2476         u32 cblen = 0, crlen = 0;
2477         u16 xsize = 0, ysize = 0;       /* winx display window height/width --->LCDC_WINx_DSP_INFO */
2478         u32 xoffset = var->xoffset;     /* offset from virtual to visible */
2479         u32 yoffset = var->yoffset;
2480         u16 xpos = (var->nonstd >> 8) & 0xfff;  /*visiable pos in panel */
2481         u16 ypos = (var->nonstd >> 20) & 0xfff;
2482         u32 xvir = var->xres_virtual;
2483         u32 yvir = var->yres_virtual;
2484         u8 data_format = var->nonstd & 0xff;
2485         u8 fb_data_fmt;
2486         u8 pixel_width;
2487         u32 vir_width_bit;
2488         u32 stride, uv_stride;
2489         u32 stride_32bit_1;
2490         u32 stride_32bit_2;
2491         u16 uv_x_off, uv_y_off, uv_y_act;
2492         u8 is_pic_yuv = 0;
2493
2494         var->pixclock = dev_drv->pixclock;
2495         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2496         if (win_id < 0)
2497                 return -ENODEV;
2498         else
2499                 win = dev_drv->win[win_id];
2500         if (rk_fb->disp_mode == DUAL) {
2501                 fb_id = get_extend_fb_id(info);
2502                 extend_info = rk_fb->fb[(rk_fb->num_fb >> 1) + fb_id];
2503                 extend_dev_drv = (struct rk_lcdc_driver *)extend_info->par;
2504                 extend_win_id = dev_drv->ops->fb_get_win_id(extend_dev_drv,
2505                                                             extend_info->fix.
2506                                                             id);
2507                 extend_win = extend_dev_drv->win[extend_win_id];
2508         }
2509         /* if the application has specific the horizontal and vertical display size */
2510         if (var->grayscale >> 8) {
2511                 xsize = (var->grayscale >> 8) & 0xfff;
2512                 ysize = (var->grayscale >> 20) & 0xfff;
2513         } else {                /*ohterwise  full  screen display */
2514                 xsize = screen->mode.xres;
2515                 ysize = screen->mode.yres;
2516         }
2517
2518 /*this is for device like rk2928 ,whic have one lcdc but two display outputs*/
2519 /*save winameter set by android*/
2520         if (rk_fb->disp_mode != DUAL) {
2521                 if (screen->screen_id == 0) {
2522
2523                         dev_drv->screen0->xsize = xsize;
2524                         dev_drv->screen0->ysize = ysize;
2525                         dev_drv->screen0->xpos = xpos;
2526                         dev_drv->screen0->ypos = ypos;
2527                 } else {
2528                         xsize = dev_drv->screen1->xsize;
2529                         ysize = dev_drv->screen1->ysize;
2530                         xpos = dev_drv->screen1->xpos;
2531                         ypos = dev_drv->screen1->ypos;
2532                 }
2533         }
2534
2535         fb_data_fmt = rk_fb_data_fmt(data_format, var->bits_per_pixel);
2536         pixel_width = rk_fb_pixel_width(fb_data_fmt);
2537         vir_width_bit = pixel_width * xvir;
2538         /* pixel_width = byte_num * 8 */
2539         stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
2540         stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
2541
2542         switch (fb_data_fmt) {
2543         case YUV422:
2544         case YUV422_A:
2545                 is_pic_yuv = 1;
2546                 stride = stride_32bit_1;
2547                 uv_stride = stride_32bit_1 >> 1;
2548                 uv_x_off = xoffset >> 1;
2549                 uv_y_off = yoffset;
2550                 fix->line_length = stride;
2551                 cblen = crlen = (xvir * yvir) >> 1;
2552                 uv_y_act = win->area[0].yact >> 1;
2553                 break;
2554         case YUV420:            /* 420sp */
2555         case YUV420_A:
2556                 is_pic_yuv = 1;
2557                 stride = stride_32bit_1;
2558                 uv_stride = stride_32bit_1;
2559                 uv_x_off = xoffset;
2560                 uv_y_off = yoffset >> 1;
2561                 fix->line_length = stride;
2562                 cblen = crlen = (xvir * yvir) >> 2;
2563                 uv_y_act = win->area[0].yact >> 1;
2564                 break;
2565         case YUV444:
2566         case YUV444_A:
2567                 is_pic_yuv = 1;
2568                 stride = stride_32bit_1;
2569                 uv_stride = stride_32bit_2;
2570                 uv_x_off = xoffset * 2;
2571                 uv_y_off = yoffset;
2572                 fix->line_length = stride << 2;
2573                 cblen = crlen = (xvir * yvir);
2574                 uv_y_act = win->area[0].yact;
2575                 break;
2576         default:
2577                 stride = stride_32bit_1;        /* default rgb */
2578                 fix->line_length = stride;
2579                 break;
2580         }
2581
2582         /* x y mirror ,jump line */
2583         if (screen->y_mirror == 1) {
2584                 if (screen->interlace == 1) {
2585                         win->area[0].y_offset = yoffset * stride * 2 +
2586                             ((win->area[0].yact - 1) * 2 + 1) * stride +
2587                             xoffset * pixel_width / 8;
2588                 } else {
2589                         win->area[0].y_offset = yoffset * stride +
2590                             (win->area[0].yact - 1) * stride +
2591                             xoffset * pixel_width / 8;
2592                 }
2593         } else {
2594                 if (screen->interlace == 1) {
2595                         win->area[0].y_offset =
2596                             yoffset * stride * 2 + xoffset * pixel_width / 8;
2597                 } else {
2598                         win->area[0].y_offset =
2599                             yoffset * stride + xoffset * pixel_width / 8;
2600                 }
2601         }
2602         if (is_pic_yuv == 1) {
2603                 if (screen->y_mirror == 1) {
2604                         if (screen->interlace == 1) {
2605                                 win->area[0].c_offset =
2606                                     uv_y_off * uv_stride * 2 +
2607                                     ((uv_y_act - 1) * 2 + 1) * uv_stride +
2608                                     uv_x_off * pixel_width / 8;
2609                         } else {
2610                                 win->area[0].c_offset = uv_y_off * uv_stride +
2611                                     (uv_y_act - 1) * uv_stride +
2612                                     uv_x_off * pixel_width / 8;
2613                         }
2614                 } else {
2615                         if (screen->interlace == 1) {
2616                                 win->area[0].c_offset =
2617                                     uv_y_off * uv_stride * 2 +
2618                                     uv_x_off * pixel_width / 8;
2619                         } else {
2620                                 win->area[0].c_offset =
2621                                     uv_y_off * uv_stride +
2622                                     uv_x_off * pixel_width / 8;
2623                         }
2624                 }
2625         }
2626
2627         rk_fb_get_prmry_screen(&screen_primary);
2628         win->format = fb_data_fmt;
2629         win->area[0].y_vir_stride = stride >> 2;
2630         win->area[0].uv_vir_stride = uv_stride >> 2;
2631         win->area[0].xpos = xpos*screen->mode.xres/screen_primary.mode.xres;
2632         win->area[0].ypos = ypos*screen->mode.yres/screen_primary.mode.yres;
2633         win->area[0].xsize = screen->mode.xres*xsize/screen_primary.mode.xres;
2634         win->area[0].ysize = screen->mode.yres*ysize/screen_primary.mode.yres;
2635
2636 //      win->area[0].smem_start = fix->smem_start;
2637 //      win->area[0].cbr_start = fix->smem_start+stride*yvir;//fix->mmio_start;
2638         win->area[0].xact = var->xres;  /* winx active window height,is a wint of vir */
2639         win->area[0].yact = var->yres;
2640         win->area[0].xvir = var->xres_virtual;  /* virtual resolution  stride --->LCDC_WINx_VIR */
2641         win->area[0].yvir = var->yres_virtual;
2642
2643         win->area_num = 1;
2644         win->alpha_mode = 4;    /* AB_SRC_OVER; */
2645         win->alpha_en = ((win->format == ARGB888)
2646                          || (win->format == ABGR888)) ? 1 : 0;
2647         win->g_alpha_val = 0;
2648
2649         if (rk_fb->disp_mode == DUAL) {
2650                 if (extend_win->state && (hdmi_switch_complete)) {
2651                         if (info != extend_info) {
2652                                 if (win->area[0].xact < win->area[0].yact) {
2653                                         extend_win->area[0].xact =
2654                                             win->area[0].yact;
2655                                         extend_win->area[0].yact =
2656                                             win->area[0].xact;
2657                                         extend_win->area[0].xvir =
2658                                             win->area[0].yact;
2659                                         extend_info->var.xres = var->yres;
2660                                         extend_info->var.yres = var->xres;
2661                                         extend_info->var.xres_virtual =
2662                                             var->yres;
2663                                 } else {
2664                                         extend_win->area[0].xact =
2665                                             win->area[0].xact;
2666                                         extend_win->area[0].yact =
2667                                             win->area[0].yact;
2668                                         extend_win->area[0].xvir =
2669                                             win->area[0].xvir;
2670                                         extend_info->var.xres = var->xres;
2671                                         extend_info->var.yres = var->yres;
2672                                         extend_info->var.xres_virtual =
2673                                             var->xres_virtual;
2674                                 }
2675                                 extend_win->area[0].y_vir_stride =
2676                                     win->area[0].y_vir_stride;
2677                                 extend_win->area[0].uv_vir_stride =
2678                                     win->area[0].uv_vir_stride;
2679                                 if (win->area[0].xpos != 0
2680                                     || win->area[0].ypos != 0) {
2681                                         extend_win->area[0].xsize =
2682                                             (extend_dev_drv->cur_screen->xsize * win->area[0].xsize) / screen->mode.xres;
2683                                         extend_win->area[0].ysize =
2684                                             (extend_dev_drv->cur_screen->ysize * win->area[0].ysize) / screen->mode.yres;
2685                                         extend_win->area[0].xpos =
2686                                             ((extend_dev_drv->cur_screen->mode.xres - extend_dev_drv->cur_screen->xsize) >> 1) +
2687                                             extend_dev_drv->cur_screen->xsize * win->area[0].xpos / screen->mode.xres;
2688                                         extend_win->area[0].ypos =
2689                                             ((extend_dev_drv->cur_screen->mode.yres - extend_dev_drv->cur_screen->ysize) >> 1) +
2690                                             extend_dev_drv->cur_screen->ysize * win->area[0].ypos / screen->mode.yres;
2691                                 } else {        /* the display image of the primary screen is full screen size */
2692                                         extend_win->area[0].xpos =
2693                                             (extend_dev_drv->cur_screen->mode.xres - extend_dev_drv->cur_screen->xsize) >> 1;
2694                                         extend_win->area[0].ypos =
2695                                             (extend_dev_drv->cur_screen->mode.yres - extend_dev_drv->cur_screen->ysize) >> 1;
2696                                         extend_win->area[0].xsize =
2697                                             extend_dev_drv->cur_screen->xsize;
2698                                         extend_win->area[0].ysize =
2699                                             extend_dev_drv->cur_screen->ysize;
2700                                 }
2701
2702                                 extend_win->area[0].state = 1;
2703                                 extend_win->area_num = 1;
2704                                 extend_win->alpha_en = 0;
2705                                 extend_win->format = win->format;
2706                                 extend_info->var.nonstd &= 0xffffff00;
2707                                 extend_info->var.nonstd |= data_format;
2708                                 extend_dev_drv->ops->set_par(extend_dev_drv,
2709                                                              extend_win_id);
2710                         }
2711                 }
2712         }
2713         dev_drv->ops->set_par(dev_drv, win_id);
2714
2715         return 0;
2716 }
2717
2718 static inline unsigned int chan_to_field(unsigned int chan,
2719                                          struct fb_bitfield *bf)
2720 {
2721         chan &= 0xffff;
2722         chan >>= 16 - bf->length;
2723         return chan << bf->offset;
2724 }
2725
2726 static int fb_setcolreg(unsigned regno,
2727                         unsigned red, unsigned green, unsigned blue,
2728                         unsigned transp, struct fb_info *info)
2729 {
2730         unsigned int val;
2731
2732         switch (info->fix.visual) {
2733         case FB_VISUAL_TRUECOLOR:
2734                 /* true-colour, use pseudo-palette */
2735                 if (regno < 16) {
2736                         u32 *pal = info->pseudo_palette;
2737                         val = chan_to_field(red, &info->var.red);
2738                         val |= chan_to_field(green, &info->var.green);
2739                         val |= chan_to_field(blue, &info->var.blue);
2740                         pal[regno] = val;
2741                 }
2742                 break;
2743         default:
2744                 return -1;      /* unknown type */
2745         }
2746
2747         return 0;
2748 }
2749
2750 static int rk_fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
2751 {
2752         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
2753         int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2754         struct rk_lcdc_win *win;
2755         win = dev_drv->win[win_id];
2756
2757         vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
2758
2759         return dma_buf_mmap(win->area[0].dma_buf, vma, 0);
2760 }
2761
2762 static struct fb_ops fb_ops = {
2763         .owner = THIS_MODULE,
2764         .fb_open = rk_fb_open,
2765         .fb_release = rk_fb_close,
2766         .fb_check_var = rk_fb_check_var,
2767         .fb_set_par = rk_fb_set_par,
2768         .fb_blank = rk_fb_blank,
2769         .fb_ioctl = rk_fb_ioctl,
2770         .fb_pan_display = rk_fb_pan_display,
2771         .fb_read = rk_fb_read,
2772         .fb_write = rk_fb_write,
2773         .fb_setcolreg = fb_setcolreg,
2774         .fb_fillrect = cfb_fillrect,
2775         .fb_copyarea = cfb_copyarea,
2776         .fb_imageblit = cfb_imageblit,
2777 };
2778
2779 static struct fb_var_screeninfo def_var = {
2780 #if defined(CONFIG_LOGO_LINUX_BMP)
2781         .red = {16, 8, 0},
2782         .green = {8, 8, 0},
2783         .blue = {0, 8, 0},
2784         .transp = {0, 0, 0},
2785         .nonstd = HAL_PIXEL_FORMAT_BGRA_8888,
2786 #else
2787         .red = {11, 5, 0},
2788         .green = {5, 6, 0},
2789         .blue = {0, 5, 0},
2790         .transp = {0, 0, 0},
2791         .nonstd = HAL_PIXEL_FORMAT_RGB_565,     /* (ypos<<20+xpos<<8+format) format */
2792 #endif
2793         .grayscale = 0,         /* (ysize<<20+xsize<<8) */
2794         .activate = FB_ACTIVATE_NOW,
2795         .accel_flags = 0,
2796         .vmode = FB_VMODE_NONINTERLACED,
2797 };
2798
2799 static struct fb_fix_screeninfo def_fix = {
2800         .type = FB_TYPE_PACKED_PIXELS,
2801         .type_aux = 0,
2802         .xpanstep = 1,
2803         .ypanstep = 1,
2804         .ywrapstep = 0,
2805         .accel = FB_ACCEL_NONE,
2806         .visual = FB_VISUAL_TRUECOLOR,
2807
2808 };
2809
2810 static int rk_fb_wait_for_vsync_thread(void *data)
2811 {
2812         struct rk_lcdc_driver *dev_drv = data;
2813         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
2814         struct fb_info *fbi = rk_fb->fb[0];
2815
2816         while (!kthread_should_stop()) {
2817                 ktime_t timestamp = dev_drv->vsync_info.timestamp;
2818                 int ret = wait_event_interruptible(dev_drv->vsync_info.wait,
2819                                 !ktime_equal(timestamp, dev_drv->vsync_info.timestamp) &&
2820                                 (dev_drv->vsync_info.active || dev_drv->vsync_info.irq_stop));
2821
2822                 if (!ret)
2823                         sysfs_notify(&fbi->dev->kobj, NULL, "vsync");
2824         }
2825
2826         return 0;
2827 }
2828
2829 static ssize_t rk_fb_vsync_show(struct device *dev,
2830                                 struct device_attribute *attr, char *buf)
2831 {
2832         struct fb_info *fbi = dev_get_drvdata(dev);
2833         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)fbi->par;
2834         return scnprintf(buf, PAGE_SIZE, "%llu\n",
2835                          ktime_to_ns(dev_drv->vsync_info.timestamp));
2836 }
2837
2838 static DEVICE_ATTR(vsync, S_IRUGO, rk_fb_vsync_show, NULL);
2839
2840 /*
2841  * this two function is for other module that in the kernel which
2842  * need show image directly through fb
2843  * fb_id:we have 4 fb here,default we use fb0 for ui display
2844  */
2845 struct fb_info *rk_get_fb(int fb_id)
2846 {
2847         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
2848         struct fb_info *fb = inf->fb[fb_id];
2849         return fb;
2850 }
2851 EXPORT_SYMBOL(rk_get_fb);
2852
2853 void rk_direct_fb_show(struct fb_info *fbi)
2854 {
2855         rk_fb_set_par(fbi);
2856         rk_fb_pan_display(&fbi->var, fbi);
2857 }
2858 EXPORT_SYMBOL(rk_direct_fb_show);
2859 #if 0
2860 static int set_xact_yact_for_hdmi(struct fb_var_screeninfo *pmy_var,
2861                                   struct fb_var_screeninfo *hdmi_var)
2862 {
2863         if (pmy_var->xres < pmy_var->yres) {    /* vertical  lcd screen */
2864                 hdmi_var->xres = pmy_var->yres;
2865                 hdmi_var->yres = pmy_var->xres;
2866                 hdmi_var->xres_virtual = pmy_var->yres;
2867         } else {
2868                 hdmi_var->xres = pmy_var->xres;
2869                 hdmi_var->yres = pmy_var->yres;
2870                 hdmi_var->xres_virtual = pmy_var->xres_virtual;
2871         }
2872
2873         return 0;
2874
2875 }
2876 #endif
2877 int rk_fb_dpi_open(bool open)
2878 {
2879         struct rk_lcdc_driver *dev_drv = NULL;
2880         dev_drv = rk_get_prmry_lcdc_drv();
2881         if(dev_drv->ops->dpi_open)
2882                 dev_drv->ops->dpi_open(dev_drv, open);
2883
2884         return 0;
2885 }
2886
2887 int rk_fb_dpi_win_sel(int win_id)
2888 {
2889         struct rk_lcdc_driver *dev_drv = NULL;
2890         dev_drv = rk_get_prmry_lcdc_drv();
2891         if(dev_drv->ops->dpi_win_sel)
2892                 dev_drv->ops->dpi_win_sel(dev_drv, win_id);
2893
2894         return 0;
2895 }
2896
2897 int rk_fb_dpi_status(void)
2898 {
2899         int ret = 0;
2900         struct rk_lcdc_driver *dev_drv = NULL;
2901         dev_drv = rk_get_prmry_lcdc_drv();
2902         if(dev_drv->ops->dpi_status)
2903                 ret = dev_drv->ops->dpi_status(dev_drv);
2904
2905         return ret;
2906 }
2907 #if 1
2908 /*
2909  *function:this function will be called by display device, enable/disable lcdc
2910  *screen: screen timing to be set to lcdc
2911  *enable: 0 disable lcdc; 1 enable change lcdc timing; 2 just enable dclk
2912  *lcdc_id: the lcdc id the display device attached ,0 or 1
2913  */
2914 int rk_fb_switch_screen(struct rk_screen *screen, int enable, int lcdc_id)
2915 {
2916         struct rk_fb *rk_fb =  platform_get_drvdata(fb_pdev);
2917         struct fb_info *info = NULL;
2918         struct rk_lcdc_driver *dev_drv = NULL;
2919         char name[6];
2920         int i, win_id, load_screen = 0;
2921
2922         if(screen == NULL)
2923                 return -ENODEV;
2924
2925         printk("\n%s lcdc_id %d type %d enable %d\n", __FUNCTION__, lcdc_id, screen->type, enable);
2926
2927         sprintf(name, "lcdc%d",lcdc_id);
2928         for(i = 0; i < rk_fb->num_lcdc; i++) {
2929                 if(!strcmp(rk_fb->lcdc_dev_drv[i]->name, name)) {
2930                         dev_drv = rk_fb->lcdc_dev_drv[i];
2931                         break;
2932                 }
2933         }
2934         if(i == rk_fb->num_lcdc) {
2935                 printk(KERN_ERR "%s driver not found!", name);
2936                 return -ENODEV;
2937         }
2938
2939         if(enable == 2 /*&& dev_drv->enable*/)
2940                 return 0;
2941
2942         if(!enable)
2943         {
2944                 // if screen type is different, we do not disable lcdc.
2945                 if( dev_drv->cur_screen->type != screen->type )
2946                         return 0;
2947
2948                 for(i = 0; i < dev_drv->lcdc_win_num; i++) {
2949                         //disable the layer which attached to this device
2950                         if(dev_drv->win[i] && dev_drv->win[i]->state)
2951                                 dev_drv->ops->open(dev_drv, i, 0);
2952                 }
2953
2954 //              dev_drv->enable = enable;
2955                 return 0;
2956         }
2957         else
2958                 memcpy(dev_drv->cur_screen, screen, sizeof(struct rk_screen));
2959
2960 //      dev_drv->enable = enable;
2961
2962 //      ret = dev_drv->ops->load_screen(dev_drv, 1);
2963 //
2964 //      if(enable != 1) return 0;
2965
2966         for(i = 0; i < dev_drv->lcdc_win_num; i++) {
2967                 #ifdef DUAL_LCDC_MAP_TO_SAME_FB
2968                 info = rk_fb->fb[i];
2969                 dev_drv1 = (struct rk_lcdc_driver *)info->par;
2970                 if(dev_drv1 != dev_drv) {
2971                         info->par = dev_drv;
2972 //                      dev_drv->overlay = dev_drv1->overlay;
2973                         dev_drv->overscan = dev_drv1->overscan;
2974                         dev_drv->vsync_info.active = dev_drv1->vsync_info.active;
2975                 }
2976                 memcpy(dev_drv->cur_screen, screen, sizeof(struct rk_screen));
2977                 #else
2978                 info = rk_fb->fb[dev_drv->fb_index_base + i];
2979                 #endif
2980                 win_id = dev_drv->ops->fb_get_win_id(dev_drv,info->fix.id);
2981 //              printk("%s win id %d\n", info->fix.id, win_id);
2982                 if(dev_drv->win[win_id]) {
2983                         #ifdef DUAL_LCDC_MAP_TO_SAME_FB
2984                         if(dev_drv1 && dev_drv1->win[win_id]) {
2985                                 dev_drv->win[win_id]->logicalstate = dev_drv1->win[win_id]->logicalstate;
2986                                 memcpy(dev_drv->win[win_id]->area, dev_drv1->win[win_id]->area, RK_WIN_MAX_AREA * sizeof(struct rk_lcdc_win_area));
2987 //                              dev_drv->win[win_id]->area[0] = dev_drv1->win[win_id]->area[0];
2988 //                              printk("%s win id %d state %d\n", info->fix.id, win_id, dev_drv->win[win_id]->logicalstate);
2989                         }
2990                         #endif
2991                         printk("%s win id %d state %d\n", info->fix.id, win_id, dev_drv->win[win_id]->logicalstate);
2992                         if( dev_drv->win[win_id]->logicalstate ) {
2993                                 dev_drv->ops->open(dev_drv, win_id, 1);
2994                                 if(!load_screen) {
2995                                         dev_drv->ops->load_screen(dev_drv, 1);
2996                                         load_screen = 1;
2997                                 }
2998                                 info->var.activate |= FB_ACTIVATE_FORCE;
2999                                 info->fbops->fb_set_par(info);
3000                                 info->fbops->fb_pan_display(&info->var, info);
3001                         }
3002 //                      else
3003 //                              dev_drv->ops->open(dev_drv, win_id, 0);
3004                 }
3005         }
3006         printk("\n%s lcdc_id %d type %d enable %d done\n\n", __FUNCTION__, lcdc_id, screen->type, enable);
3007         return 0;
3008
3009 }
3010 #else
3011 /*
3012  * function:this function will be called by hdmi,when
3013  *             hdmi plug in/out
3014  * screen: the screen attached to hdmi
3015  * enable: 1,hdmi plug in,0,hdmi plug out
3016  * lcdc_id: the lcdc id the hdmi attached ,0 or 1
3017  */
3018 int rk_fb_switch_screen(struct rk_screen *screen, int enable, int lcdc_id)
3019 {
3020         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3021         struct fb_info *info = NULL;
3022         struct rk_lcdc_driver *dev_drv = NULL;
3023         struct fb_var_screeninfo *hdmi_var = NULL;
3024         struct fb_var_screeninfo *pmy_var = NULL;       /* var for primary screen */
3025         int i;
3026         struct fb_fix_screeninfo *hdmi_fix = NULL;
3027         char name[6];
3028         int ret;
3029         int win_id;
3030 /*
3031         if (rk_fb->disp_mode != DUAL)
3032                 rk29_backlight_set(0);
3033 */
3034         sprintf(name, "lcdc%d", lcdc_id);
3035
3036         if (rk_fb->disp_mode != DUAL) {
3037                 dev_drv = rk_fb->lcdc_dev_drv[0];
3038         } else {
3039
3040                 for (i = 0; i < rk_fb->num_lcdc; i++) {
3041                         if (rk_fb->lcdc_dev_drv[i]->prop == EXTEND) {
3042                                 dev_drv = rk_fb->lcdc_dev_drv[i];
3043                                 break;
3044                         }
3045                 }
3046
3047                 if (i == rk_fb->num_lcdc) {
3048                         printk(KERN_ERR "%s driver not found!", name);
3049                         return -ENODEV;
3050                 }
3051         }
3052         printk("hdmi %s lcdc%d\n", enable ? "connect to" : "remove from",
3053                dev_drv->id);
3054
3055         if (rk_fb->num_lcdc == 1)
3056                 info = rk_fb->fb[0];
3057         else if (rk_fb->num_lcdc == 2)
3058                 info = rk_fb->fb[dev_drv->lcdc_win_num];        /* the main fb of lcdc1 */
3059
3060         if (dev_drv->screen1) { /* device like rk2928 ,have only one lcdc but two outputs */
3061                 if (enable) {
3062                         memcpy(dev_drv->screen1, screen,
3063                                sizeof(struct rk_screen));
3064                         dev_drv->screen1->lcdc_id = 0;  /* connect screen1 to output interface 0 */
3065                         dev_drv->screen1->screen_id = 1;
3066                         dev_drv->screen0->lcdc_id = 1;  /* connect screen0 to output interface 1 */
3067                         dev_drv->cur_screen = dev_drv->screen1;
3068                         dev_drv->screen0->ext_screen = dev_drv->screen1;
3069                         if (dev_drv->screen0->sscreen_get) {
3070                                 dev_drv->screen0->sscreen_get(dev_drv->screen0,
3071                                                               dev_drv->cur_screen->hdmi_resolution);
3072                         }
3073
3074                 } else {
3075                         dev_drv->screen1->lcdc_id = 1;  /* connect screen1 to output interface 1 */
3076                         dev_drv->screen0->lcdc_id = 0;  /* connect screen0 to output interface 0 */
3077                         dev_drv->cur_screen = dev_drv->screen0;
3078                         dev_drv->screen_ctr_info->set_screen_info(dev_drv->cur_screen,
3079                                                                   dev_drv->screen_ctr_info->lcd_info);
3080                 }
3081         } else {
3082                 if (enable)
3083                         memcpy(dev_drv->cur_screen, screen, sizeof(struct rk_screen));
3084         }
3085
3086         dev_drv->cur_screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3087         dev_drv->cur_screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3088
3089         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3090
3091         if (!enable && !dev_drv->screen1) {     /* only double lcdc device need to close */
3092                 if (dev_drv->win[win_id]->state)
3093                         dev_drv->ops->open(dev_drv, win_id, enable);    /* disable the win which attached to this fb */
3094                 hdmi_switch_complete = 0;
3095
3096                 return 0;
3097         }
3098
3099         hdmi_var = &info->var;
3100         hdmi_fix = &info->fix;
3101         if (rk_fb->disp_mode == DUAL) {
3102                 if (likely(rk_fb->num_lcdc == 2)) {
3103                         pmy_var = &rk_fb->fb[0]->var;
3104                         set_xact_yact_for_hdmi(pmy_var, hdmi_var);
3105                         hdmi_var->nonstd &= 0xffffff00;
3106                         hdmi_var->nonstd |= (pmy_var->nonstd & 0xff);   /* use the same format as primary screen */
3107                 } else {
3108                         printk(KERN_WARNING
3109                                "%s>>only one lcdc,dual display no supported!",
3110                                __func__);
3111                 }
3112         }
3113         hdmi_var->grayscale &= 0xff;
3114         hdmi_var->grayscale |=
3115             (dev_drv->cur_screen->mode.xres << 8) + (dev_drv->cur_screen->mode.yres << 20);
3116         if (dev_drv->screen1) { /* device like rk2928,whic have one lcdc but two outputs */
3117                 /*
3118                 info->var.nonstd &= 0xff;
3119                 info->var.nonstd |= (dev_drv->cur_screen->mode.xpos<<8) + (dev_drv->cur_screen->mode.ypos<<20);
3120                 info->var.grayscale &= 0xff;
3121                 info->var.grayscale |= (dev_drv->cur_screen->mode.x_res<<8) + (dev_drv->cur_screen->mode.y_res<<20);
3122                 */
3123                 dev_drv->screen1->xsize = dev_drv->cur_screen->mode.xres;
3124                 dev_drv->screen1->ysize = dev_drv->cur_screen->mode.yres;
3125                 dev_drv->screen1->xpos = 0;
3126                 dev_drv->screen1->ypos = 0;
3127         }
3128
3129         ret = info->fbops->fb_open(info, 1);
3130         dev_drv->ops->load_screen(dev_drv, 1);
3131         ret = info->fbops->fb_set_par(info);
3132         if (dev_drv->ops->lcdc_hdmi_process)
3133                 dev_drv->ops->lcdc_hdmi_process(dev_drv, enable);
3134
3135         hdmi_switch_complete = enable;
3136         info->fbops->fb_pan_display(hdmi_var, info);
3137
3138         /* info->fbops->fb_ioctl(info, RK_FBIOSET_CONFIG_DONE, 0); */
3139         if (dev_drv->screen1) {
3140                 if (dev_drv->screen0->sscreen_set) {
3141                         dev_drv->ops->blank(dev_drv, 0, FB_BLANK_NORMAL);
3142                         msleep(100);
3143                         dev_drv->screen0->sscreen_set(dev_drv->screen0, enable);
3144                         dev_drv->ops->blank(dev_drv, 0, FB_BLANK_UNBLANK);
3145                 }
3146         }
3147         /*
3148         if (rk_fb->disp_mode != DUAL)
3149                 rk29_backlight_set(1);
3150         */
3151         return 0;
3152
3153 }
3154 #endif
3155 /*
3156  * function:this function current only called by hdmi for
3157  *      scale the display
3158  * scale_x: scale rate of x resolution
3159  * scale_y: scale rate of y resolution
3160  * lcdc_id: the lcdc id the hdmi attached ,0 or 1
3161  */
3162 int rk_fb_disp_scale(u8 scale_x, u8 scale_y, u8 lcdc_id)
3163 {
3164         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3165         struct fb_info *info = NULL;
3166         struct fb_var_screeninfo *var = NULL;
3167         struct rk_lcdc_driver *dev_drv = NULL;
3168         u16 screen_x, screen_y;
3169         u16 xpos, ypos;
3170         char name[6];
3171         int i = 0;
3172         sprintf(name, "lcdc%d", lcdc_id);
3173
3174 #if defined(CONFIG_ONE_LCDC_DUAL_OUTPUT_INF)
3175         dev_drv = inf->lcdc_dev_drv[0];
3176 #else
3177         for (i = 0; i < inf->num_lcdc; i++) {
3178                 if (inf->lcdc_dev_drv[i]->prop == EXTEND) {
3179                         dev_drv = inf->lcdc_dev_drv[i];
3180                         break;
3181                 }
3182         }
3183
3184         if (i == inf->num_lcdc) {
3185                 printk(KERN_ERR "%s driver not found!", name);
3186                 return -ENODEV;
3187
3188         }
3189 #endif
3190         if (inf->num_lcdc == 1)
3191                 info = inf->fb[0];
3192         else if (inf->num_lcdc == 2)
3193                 info = inf->fb[dev_drv->lcdc_win_num];
3194
3195         var = &info->var;
3196         screen_x = dev_drv->cur_screen->mode.xres;
3197         screen_y = dev_drv->cur_screen->mode.yres;
3198
3199 #if defined(CONFIG_ONE_LCDC_DUAL_OUTPUT_INF) || defined(CONFIG_NO_DUAL_DISP)
3200         if (dev_drv->cur_screen->screen_id == 1) {
3201                 dev_drv->cur_screen->xpos =
3202                     (screen_x - screen_x * scale_x / 100) >> 1;
3203                 dev_drv->cur_screen->ypos =
3204                     (screen_y - screen_y * scale_y / 100) >> 1;
3205                 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3206                 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3207         } else
3208 #endif
3209         {
3210                 xpos = (screen_x - screen_x * scale_x / 100) >> 1;
3211                 ypos = (screen_y - screen_y * scale_y / 100) >> 1;
3212                 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3213                 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3214                 var->nonstd &= 0xff;
3215                 var->nonstd |= (xpos << 8) + (ypos << 20);
3216                 var->grayscale &= 0xff;
3217                 var->grayscale |=
3218                     (dev_drv->cur_screen->xsize << 8) + (dev_drv->cur_screen->ysize << 20);
3219         }
3220
3221         info->fbops->fb_set_par(info);
3222         /* info->fbops->fb_ioctl(info, RK_FBIOSET_CONFIG_DONE, 0); */
3223         dev_drv->ops->cfg_done(dev_drv);
3224         return 0;
3225
3226 }
3227
3228 #if defined(CONFIG_ION_ROCKCHIP)
3229 static int rk_fb_alloc_buffer_by_ion(struct fb_info *fbi,
3230                                      struct rk_lcdc_win *win,
3231                                      unsigned long fb_mem_size)
3232 {
3233         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3234         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)fbi->par;
3235         struct ion_handle *handle;
3236         ion_phys_addr_t phy_addr;
3237         size_t len;
3238         if (dev_drv->iommu_enabled)
3239                 handle = ion_alloc(rk_fb->ion_client, (size_t) fb_mem_size, 0,
3240                                    ION_HEAP(ION_VMALLOC_HEAP_ID), 0);
3241         else
3242                 handle = ion_alloc(rk_fb->ion_client, (size_t) fb_mem_size, 0,
3243                                    ION_HEAP(ION_CMA_HEAP_ID), 0);
3244         if (IS_ERR(handle)) {
3245                 dev_err(fbi->device, "failed to ion_alloc:%ld\n",
3246                         PTR_ERR(handle));
3247                 return -ENOMEM;
3248         }
3249         win->area[0].dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3250         if (IS_ERR_OR_NULL(win->area[0].dma_buf)) {
3251                 printk("ion_share_dma_buf() failed\n");
3252                 goto err_share_dma_buf;
3253         }
3254         win->area[0].ion_hdl = handle;
3255         fbi->screen_base = ion_map_kernel(rk_fb->ion_client, handle);
3256 #ifdef CONFIG_ROCKCHIP_IOMMU
3257         if (dev_drv->iommu_enabled)
3258                 ion_map_iommu(dev_drv->dev, rk_fb->ion_client, handle,
3259                               (unsigned long *)&phy_addr,
3260                               (unsigned long *)&len);
3261         else
3262                 ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3263 #else
3264         ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3265 #endif
3266         fbi->fix.smem_start = phy_addr;
3267         fbi->fix.smem_len = len;
3268         printk(KERN_INFO "alloc_buffer:ion_phy_addr=0x%lx\n", phy_addr);
3269         return 0;
3270
3271 err_share_dma_buf:
3272         ion_free(rk_fb->ion_client, handle);
3273         return -ENOMEM;
3274 }
3275 #endif
3276
3277 static int rk_fb_alloc_buffer(struct fb_info *fbi, int fb_id)
3278 {
3279         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3280         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)fbi->par;
3281         struct rk_lcdc_win *win = NULL;
3282         int win_id;
3283         int ret = 0;
3284         unsigned long fb_mem_size;
3285 #if !defined(CONFIG_ION_ROCKCHIP)
3286         dma_addr_t fb_mem_phys;
3287         void *fb_mem_virt;
3288 #endif
3289
3290         win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
3291         if (win_id < 0)
3292                 return -ENODEV;
3293         else
3294                 win = dev_drv->win[win_id];
3295
3296         if (!strcmp(fbi->fix.id, "fb0")) {
3297                 fb_mem_size = get_fb_size();
3298 #if defined(CONFIG_ION_ROCKCHIP)
3299                 if (rk_fb_alloc_buffer_by_ion(fbi, win, fb_mem_size) < 0)
3300                         return -ENOMEM;
3301 #else
3302                 fb_mem_virt = dma_alloc_writecombine(fbi->dev, fb_mem_size,
3303                                                      &fb_mem_phys, GFP_KERNEL);
3304                 if (!fb_mem_virt) {
3305                         pr_err("%s: Failed to allocate framebuffer\n",
3306                                __func__);
3307                         return -ENOMEM;
3308                 }
3309                 fbi->fix.smem_len = fb_mem_size;
3310                 fbi->fix.smem_start = fb_mem_phys;
3311                 fbi->screen_base = fb_mem_virt;
3312 #endif
3313                 memset(fbi->screen_base, 0, fbi->fix.smem_len);
3314                 printk(KERN_INFO "fb%d:phy:%lx>>vir:%p>>len:0x%x\n", fb_id,
3315                        fbi->fix.smem_start, fbi->screen_base,
3316                        fbi->fix.smem_len);
3317         } else {
3318                 if (dev_drv->rotate_mode > X_Y_MIRROR) {
3319                         fb_mem_size = get_fb_size();
3320 #if defined(CONFIG_ION_ROCKCHIP)
3321                         if (rk_fb_alloc_buffer_by_ion(fbi, win, fb_mem_size) < 0)
3322                                 return -ENOMEM;
3323 #else
3324                         fb_mem_virt = dma_alloc_writecombine(fbi->dev,
3325                                         fb_mem_size, &fb_mem_phys, GFP_KERNEL);
3326                         if (!fb_mem_virt) {
3327                                 pr_err("%s: Failed to allocate framebuffer\n",
3328                                         __func__);
3329                                 return -ENOMEM;
3330                         }
3331                         fbi->fix.smem_len = fb_mem_size;
3332                         fbi->fix.smem_start = fb_mem_phys;
3333                         fbi->screen_base = fb_mem_virt;
3334 #endif
3335                 } else {
3336                         fbi->fix.smem_start = rk_fb->fb[0]->fix.smem_start;
3337                         fbi->fix.smem_len = rk_fb->fb[0]->fix.smem_len;
3338                         fbi->screen_base = rk_fb->fb[0]->screen_base;
3339                 }
3340
3341                 printk(KERN_INFO "fb%d:phy:%lx>>vir:%p>>len:0x%x\n", fb_id,
3342                        fbi->fix.smem_start, fbi->screen_base,
3343                        fbi->fix.smem_len);
3344         }
3345
3346         fbi->screen_size = fbi->fix.smem_len;
3347         win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
3348         if (win_id >= 0) {
3349                 win = dev_drv->win[win_id];
3350                 win->reserved = fbi->fix.smem_start;
3351         }
3352
3353         return ret;
3354 }
3355
3356 #if 0
3357 static int rk_release_fb_buffer(struct fb_info *fbi)
3358 {
3359         /* buffer for fb1 and fb3 are alloc by android */
3360         if (!strcmp(fbi->fix.id, "fb1") || !strcmp(fbi->fix.id, "fb3"))
3361                 return 0;
3362         iounmap(fbi->screen_base);
3363         release_mem_region(fbi->fix.smem_start, fbi->fix.smem_len);
3364         return 0;
3365
3366 }
3367 #endif
3368
3369 static int init_lcdc_win(struct rk_lcdc_driver *dev_drv,
3370                          struct rk_lcdc_win *def_win)
3371 {
3372         int i;
3373         int lcdc_win_num = dev_drv->lcdc_win_num;
3374         for (i = 0; i < lcdc_win_num; i++) {
3375                 struct rk_lcdc_win *win = NULL;
3376                 win = kzalloc(sizeof(struct rk_lcdc_win), GFP_KERNEL);
3377                 if (!win) {
3378                         dev_err(dev_drv->dev, "kzmalloc for win fail!");
3379                         return -ENOMEM;
3380                 }
3381
3382                 strcpy(win->name, def_win[i].name);
3383                 win->id = def_win[i].id;
3384                 win->support_3d = def_win[i].support_3d;
3385                 dev_drv->win[i] = win;
3386         }
3387
3388         return 0;
3389 }
3390
3391 static int init_lcdc_device_driver(struct rk_fb *rk_fb,
3392                                    struct rk_lcdc_win *def_win, int index)
3393 {
3394         struct rk_lcdc_driver *dev_drv = rk_fb->lcdc_dev_drv[index];
3395         struct rk_screen *screen = devm_kzalloc(dev_drv->dev,
3396                                                 sizeof(struct rk_screen),
3397                                                 GFP_KERNEL);
3398         if (!screen) {
3399                 dev_err(dev_drv->dev, "malloc screen for lcdc%d fail!",
3400                         dev_drv->id);
3401                 return -ENOMEM;
3402         }
3403
3404         screen->screen_id = 0;
3405         screen->lcdc_id = dev_drv->id;
3406         screen->overscan.left = 100;
3407         screen->overscan.top = 100;
3408         screen->overscan.right = 100;
3409         screen->overscan.bottom = 100;
3410
3411         screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3412         screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3413
3414         dev_drv->screen0 = screen;
3415         dev_drv->cur_screen = screen;
3416         /* devie use one lcdc + rk61x scaler for dual display */
3417         if (rk_fb->disp_mode == ONE_DUAL) {
3418                 struct rk_screen *screen1 = devm_kzalloc(dev_drv->dev,
3419                                                          sizeof(struct rk_screen),
3420                                                          GFP_KERNEL);
3421                 if (screen1) {
3422                         dev_err(dev_drv->dev, "malloc screen1 for lcdc%d fail!",
3423                                 dev_drv->id);
3424                         return -ENOMEM;
3425                 }
3426                 screen1->screen_id = 1;
3427                 screen1->lcdc_id = 1;
3428                 dev_drv->screen1 = screen1;
3429         }
3430         sprintf(dev_drv->name, "lcdc%d", dev_drv->id);
3431         init_lcdc_win(dev_drv, def_win);
3432         init_completion(&dev_drv->frame_done);
3433         spin_lock_init(&dev_drv->cpl_lock);
3434         mutex_init(&dev_drv->fb_win_id_mutex);
3435         dev_drv->ops->fb_win_remap(dev_drv, FB_DEFAULT_ORDER);
3436         dev_drv->first_frame = 1;
3437         dev_drv->overscan.left = 100;
3438         dev_drv->overscan.top = 100;
3439         dev_drv->overscan.right = 100;
3440         dev_drv->overscan.bottom = 100;
3441         rk_disp_pwr_ctr_parse_dt(dev_drv);
3442         if (dev_drv->prop == PRMRY) {
3443                 if(dev_drv->ops->set_dsp_cabc)
3444                         dev_drv->ops->set_dsp_cabc(dev_drv, dev_drv->cabc_mode);
3445                 rk_fb_set_prmry_screen(screen);
3446         }
3447         rk_fb_get_prmry_screen(screen);
3448         dev_drv->trsm_ops = rk_fb_trsm_ops_get(screen->type);
3449
3450         return 0;
3451 }
3452
3453 #ifdef CONFIG_LOGO_LINUX_BMP
3454 static struct linux_logo *bmp_logo;
3455 static int fb_prewine_bmp_logo(struct fb_info *info, int rotate)
3456 {
3457         bmp_logo = fb_find_logo(24);
3458         if (bmp_logo == NULL) {
3459                 printk(KERN_INFO "%s error\n", __func__);
3460                 return 0;
3461         }
3462         return 1;
3463 }
3464
3465 static void fb_show_bmp_logo(struct fb_info *info, int rotate)
3466 {
3467         unsigned char *src = bmp_logo->data;
3468         unsigned char *dst = info->screen_base;
3469         int i;
3470         unsigned int Needwidth = (*(src - 24) << 8) | (*(src - 23));
3471         unsigned int Needheight = (*(src - 22) << 8) | (*(src - 21));
3472
3473         for (i = 0; i < Needheight; i++)
3474                 memcpy(dst + info->var.xres * i * 4,
3475                        src + bmp_logo->width * i * 4, Needwidth * 4);
3476
3477 }
3478 #endif
3479
3480 /*
3481  * check if the primary lcdc has registerd,
3482  * the primary lcdc mas register first
3483  */
3484 bool is_prmry_rk_lcdc_registered(void)
3485 {
3486         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3487         if (rk_fb->lcdc_dev_drv[0])
3488                 return true;
3489         else
3490                 return false;
3491
3492 }
3493
3494 int rk_fb_register(struct rk_lcdc_driver *dev_drv,
3495                    struct rk_lcdc_win *win, int id)
3496 {
3497         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3498         struct fb_info *fbi;
3499         int i = 0, ret = 0, index = 0;
3500 //#if defined(CONFIG_ROCKCHIP_IOMMU)
3501 //      struct device *mmu_dev = NULL;
3502 //#endif
3503         if (rk_fb->num_lcdc == RK30_MAX_LCDC_SUPPORT)
3504                 return -ENXIO;
3505
3506         for (i = 0; i < RK30_MAX_LCDC_SUPPORT; i++) {
3507                 if (!rk_fb->lcdc_dev_drv[i]) {
3508                         rk_fb->lcdc_dev_drv[i] = dev_drv;
3509                         rk_fb->lcdc_dev_drv[i]->id = id;
3510                         rk_fb->num_lcdc++;
3511                         break;
3512                 }
3513         }
3514
3515         index = i;
3516         init_lcdc_device_driver(rk_fb, win, index);
3517         dev_drv->fb_index_base = rk_fb->num_fb;
3518         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3519                 fbi = framebuffer_alloc(0, &fb_pdev->dev);
3520                 if (!fbi) {
3521                         dev_err(&fb_pdev->dev, "fb framebuffer_alloc fail!");
3522                         ret = -ENOMEM;
3523                 }
3524                 fbi->par = dev_drv;
3525                 fbi->var = def_var;
3526                 fbi->fix = def_fix;
3527                 sprintf(fbi->fix.id, "fb%d", rk_fb->num_fb);
3528                 fb_videomode_to_var(&fbi->var, &dev_drv->cur_screen->mode);
3529                 fbi->var.grayscale |=
3530                     (fbi->var.xres << 8) + (fbi->var.yres << 20);
3531 #if defined(CONFIG_LOGO_LINUX_BMP)
3532                 fbi->var.bits_per_pixel = 32;
3533 #else
3534                 fbi->var.bits_per_pixel = 16;
3535 #endif
3536                 fbi->fix.line_length =
3537                     (fbi->var.xres_virtual) * (fbi->var.bits_per_pixel >> 3);
3538                 fbi->var.width = dev_drv->cur_screen->width;
3539                 fbi->var.height = dev_drv->cur_screen->height;
3540                 fbi->var.pixclock = dev_drv->pixclock;
3541                 if (dev_drv->iommu_enabled)
3542                         fb_ops.fb_mmap = rk_fb_mmap;
3543                 fbi->fbops = &fb_ops;
3544                 fbi->flags = FBINFO_FLAG_DEFAULT;
3545                 fbi->pseudo_palette = dev_drv->win[i]->pseudo_pal;
3546                 ret = register_framebuffer(fbi);
3547                 if (ret < 0) {
3548                         dev_err(&fb_pdev->dev,
3549                                 "%s fb%d register_framebuffer fail!\n",
3550                                 __func__, rk_fb->num_fb);
3551                         return ret;
3552                 }
3553                 rkfb_create_sysfs(fbi);
3554                 rk_fb->fb[rk_fb->num_fb] = fbi;
3555                 dev_info(fbi->dev, "rockchip framebuffer registerd:%s\n",
3556                          fbi->fix.id);
3557                 rk_fb->num_fb++;
3558
3559                 if (i == 0) {
3560                         init_waitqueue_head(&dev_drv->vsync_info.wait);
3561                         init_waitqueue_head(&dev_drv->update_regs_wait);
3562                         ret = device_create_file(fbi->dev, &dev_attr_vsync);
3563                         if (ret)
3564                                 dev_err(fbi->dev,
3565                                         "failed to create vsync file\n");
3566                         dev_drv->vsync_info.thread =
3567                             kthread_run(rk_fb_wait_for_vsync_thread, dev_drv,
3568                                         "fb-vsync");
3569                         if (dev_drv->vsync_info.thread == ERR_PTR(-ENOMEM)) {
3570                                 dev_err(fbi->dev,
3571                                         "failed to run vsync thread\n");
3572                                 dev_drv->vsync_info.thread = NULL;
3573                         }
3574                         dev_drv->vsync_info.active = 1;
3575
3576                         mutex_init(&dev_drv->output_lock);
3577
3578                         INIT_LIST_HEAD(&dev_drv->update_regs_list);
3579                         mutex_init(&dev_drv->update_regs_list_lock);
3580                         init_kthread_worker(&dev_drv->update_regs_worker);
3581
3582                         dev_drv->update_regs_thread =
3583                             kthread_run(kthread_worker_fn,
3584                                         &dev_drv->update_regs_worker, "rk-fb");
3585                         if (IS_ERR(dev_drv->update_regs_thread)) {
3586                                 int err = PTR_ERR(dev_drv->update_regs_thread);
3587                                 dev_drv->update_regs_thread = NULL;
3588
3589                                 printk("failed to run update_regs thread\n");
3590                                 return err;
3591                         }
3592                         init_kthread_work(&dev_drv->update_regs_work,
3593                                           rk_fb_update_regs_handler);
3594
3595                         dev_drv->timeline =
3596                             sw_sync_timeline_create("fb-timeline");
3597                         dev_drv->timeline_max = 1;
3598                 }
3599
3600         }
3601
3602         /* show logo for primary display device */
3603 #if !defined(CONFIG_FRAMEBUFFER_CONSOLE) && defined(CONFIG_LOGO)
3604         if (dev_drv->prop == PRMRY) {
3605                 struct fb_info *main_fbi = rk_fb->fb[0];
3606                 main_fbi->fbops->fb_open(main_fbi, 1);
3607 /*
3608 #if defined(CONFIG_ROCKCHIP_IOMMU)
3609                 if (dev_drv->iommu_enabled) {
3610                         mmu_dev =
3611                             rockchip_get_sysmmu_device_by_compatible(dev_drv->mmu_dts_name);
3612                         if (mmu_dev) {
3613                                 platform_set_sysmmu(mmu_dev, dev_drv->dev);
3614                                 rockchip_sysmmu_set_fault_handler(dev_drv->dev,
3615                                                                   rk_fb_sysmmu_fault_handler);
3616                                 iovmm_activate(dev_drv->dev);
3617                         } else
3618                                 dev_err(dev_drv->dev,
3619                                         "failed to get rockchip iommu device\n");
3620                 }
3621 #endif
3622 */
3623                 rk_fb_alloc_buffer(main_fbi, 0);        /* only alloc memory for main fb */
3624                 if (support_uboot_display()) {
3625                         if (dev_drv->iommu_enabled) {
3626                                 rk_fb_copy_from_loader(main_fbi);
3627                                 dev_drv->ops->direct_set_addr(dev_drv, 0,
3628                                                               main_fbi->fix.smem_start);
3629                         }
3630                         return 0;
3631                 }
3632                 main_fbi->fbops->fb_set_par(main_fbi);
3633 #if  defined(CONFIG_LOGO_LINUX_BMP)
3634                 if (fb_prewine_bmp_logo(main_fbi, FB_ROTATE_UR)) {
3635                         fb_set_cmap(&main_fbi->cmap, main_fbi);
3636                         fb_show_bmp_logo(main_fbi, FB_ROTATE_UR);
3637                 }
3638 #else
3639                 if (fb_prepare_logo(main_fbi, FB_ROTATE_UR)) {
3640                         fb_set_cmap(&main_fbi->cmap, main_fbi);
3641                         fb_show_logo(main_fbi, FB_ROTATE_UR);
3642                 }
3643 #endif
3644                 main_fbi->fbops->fb_pan_display(&main_fbi->var, main_fbi);
3645         } else {
3646 #if !defined(CONFIG_ROCKCHIP_IOMMU)
3647                 struct fb_info *extend_fbi = rk_fb->fb[rk_fb->num_fb >> 1];
3648                 int extend_fb_id = get_extend_fb_id(extend_fbi);
3649                 rk_fb_alloc_buffer(extend_fbi, extend_fb_id);
3650 #endif
3651         }
3652 #endif
3653
3654         return 0;
3655
3656 }
3657
3658 int rk_fb_unregister(struct rk_lcdc_driver *dev_drv)
3659 {
3660
3661         struct rk_fb *fb_inf = platform_get_drvdata(fb_pdev);
3662         struct fb_info *fbi;
3663         int fb_index_base = dev_drv->fb_index_base;
3664         int fb_num = dev_drv->lcdc_win_num;
3665         int i = 0;
3666
3667         if (fb_inf->lcdc_dev_drv[i]->vsync_info.thread) {
3668                 fb_inf->lcdc_dev_drv[i]->vsync_info.irq_stop = 1;
3669                 kthread_stop(fb_inf->lcdc_dev_drv[i]->vsync_info.thread);
3670         }
3671
3672         for (i = 0; i < fb_num; i++)
3673                 kfree(dev_drv->win[i]);
3674
3675         for (i = fb_index_base; i < (fb_index_base + fb_num); i++) {
3676                 fbi = fb_inf->fb[i];
3677                 unregister_framebuffer(fbi);
3678                 /* rk_release_fb_buffer(fbi); */
3679                 framebuffer_release(fbi);
3680         }
3681         fb_inf->lcdc_dev_drv[dev_drv->id] = NULL;
3682         fb_inf->num_lcdc--;
3683
3684         return 0;
3685 }
3686
3687 static int rk_fb_probe(struct platform_device *pdev)
3688 {
3689         struct rk_fb *rk_fb = NULL;
3690         struct device_node *np = pdev->dev.of_node;
3691         u32 mode;
3692
3693         if (!np) {
3694                 dev_err(&pdev->dev, "Missing device tree node.\n");
3695                 return -EINVAL;
3696         }
3697
3698         rk_fb = devm_kzalloc(&pdev->dev, sizeof(struct rk_fb), GFP_KERNEL);
3699         if (!rk_fb) {
3700                 dev_err(&pdev->dev, "kmalloc for rk fb fail!");
3701                 return -ENOMEM;
3702         }
3703         platform_set_drvdata(pdev, rk_fb);
3704
3705         if (!of_property_read_u32(np, "rockchip,disp-mode", &mode)) {
3706                 rk_fb->disp_mode = mode;
3707
3708         } else {
3709                 dev_err(&pdev->dev, "no disp-mode node found!");
3710                 return -ENODEV;
3711         }
3712
3713         if (!of_property_read_u32(np, "rockchip,uboot-logo-on", &uboot_logo_on))
3714                 printk("uboot-logo-on:%d\n", uboot_logo_on);
3715
3716         dev_set_name(&pdev->dev, "rockchip-fb");
3717 #if defined(CONFIG_ION_ROCKCHIP)
3718         rk_fb->ion_client = rockchip_ion_client_create("rk_fb");
3719         if (IS_ERR(rk_fb->ion_client)) {
3720                 dev_err(&pdev->dev, "failed to create ion client for rk fb");
3721                 return PTR_ERR(rk_fb->ion_client);
3722         } else {
3723                 dev_info(&pdev->dev, "rk fb ion client create success!\n");
3724         }
3725 #endif
3726
3727         fb_pdev = pdev;
3728         dev_info(&pdev->dev, "rockchip framebuffer driver probe\n");
3729         return 0;
3730 }
3731
3732 static int rk_fb_remove(struct platform_device *pdev)
3733 {
3734         struct rk_fb *rk_fb = platform_get_drvdata(pdev);
3735         kfree(rk_fb);
3736         platform_set_drvdata(pdev, NULL);
3737         return 0;
3738 }
3739
3740 static void rk_fb_shutdown(struct platform_device *pdev)
3741 {
3742         struct rk_fb *rk_fb = platform_get_drvdata(pdev);
3743         int i;
3744         for (i = 0; i < rk_fb->num_lcdc; i++) {
3745                 if (!rk_fb->lcdc_dev_drv[i])
3746                         continue;
3747
3748         }
3749
3750 }
3751
3752 static const struct of_device_id rkfb_dt_ids[] = {
3753         {.compatible = "rockchip,rk-fb",},
3754         {}
3755 };
3756
3757 static struct platform_driver rk_fb_driver = {
3758         .probe = rk_fb_probe,
3759         .remove = rk_fb_remove,
3760         .driver = {
3761                    .name = "rk-fb",
3762                    .owner = THIS_MODULE,
3763                    .of_match_table = of_match_ptr(rkfb_dt_ids),
3764                    },
3765         .shutdown = rk_fb_shutdown,
3766 };
3767
3768 static int __init rk_fb_init(void)
3769 {
3770         return platform_driver_register(&rk_fb_driver);
3771 }
3772
3773 static void __exit rk_fb_exit(void)
3774 {
3775         platform_driver_unregister(&rk_fb_driver);
3776 }
3777
3778 fs_initcall(rk_fb_init);
3779 module_exit(rk_fb_exit);