drivers/video/rockchip/rk_fb.c

   1 /*
   2  * drivers/video/rockchip/rk_fb.c
   3  *
   4  * Copyright (C) ROCKCHIP, Inc.
   5  * Author:yxj<yxj@rock-chips.com>
   6  * This software is licensed under the terms of the GNU General Public
   7  * License version 2, as published by the Free Software Foundation, and
   8  * may be copied, distributed, and modified under those terms.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  */
  15
  16 #include <linux/module.h>
  17 #include <linux/kernel.h>
  18 #include <linux/errno.h>
  19 #include <linux/string.h>
  20 #include <linux/mm.h>
  21 #include <linux/slab.h>
  22 #include <linux/delay.h>
  23 #include <linux/device.h>
  24 #include <linux/kthread.h>
  25 #include <linux/fb.h>
  26 #include <linux/init.h>
  27 #include <asm/div64.h>
  28 #include <linux/uaccess.h>
  29 #include <linux/rk_fb.h>
  30 #include <linux/linux_logo.h>
  31 #include <linux/dma-mapping.h>
  32
  33 #if defined(CONFIG_RK_HDMI)
  34 #include "hdmi/rk_hdmi.h"
  35 #endif
  36
  37 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
  38 #include "rga/rga.h"
  39 #endif
  40
  41 #ifdef CONFIG_OF
  42 #include <linux/of.h>
  43 #include <linux/of_platform.h>
  44 #include <linux/of_gpio.h>
  45 #include <video/of_display_timing.h>
  46 #include <video/display_timing.h>
  47 #include <dt-bindings/rkfb/rk_fb.h>
  48 #endif
  49
  50 #if defined(CONFIG_ION_ROCKCHIP)
  51 #include <linux/rockchip_ion.h>
  52 #include <linux/rockchip-iovmm.h>
  53 #include <linux/dma-buf.h>
  54 #include <linux/highmem.h>
  55 #endif
  56
  57 #define H_USE_FENCE 1
  58 static int hdmi_switch_complete;
  59 static struct platform_device *fb_pdev;
  60 struct list_head saved_list;
  61
  62 #if defined(CONFIG_FB_MIRRORING)
  63 int (*video_data_to_mirroring) (struct fb_info *info, u32 yuv_phy[2]);
  64 EXPORT_SYMBOL(video_data_to_mirroring);
  65 #endif
  66
  67 struct rk_fb_reg_win_data g_reg_win_data[4];
  68 static int g_last_win_num;
  69 static int g_first_buf = 1;
  70 static struct rk_fb_trsm_ops *trsm_lvds_ops;
  71 static struct rk_fb_trsm_ops *trsm_edp_ops;
  72 static struct rk_fb_trsm_ops *trsm_mipi_ops;
  73 static int uboot_logo_on;
  74 int support_uboot_display(void)
  75 {
  76         return uboot_logo_on;
  77 }
  78
  79 int rk_fb_trsm_ops_register(struct rk_fb_trsm_ops *ops, int type)
  80 {
  81         switch (type) {
  82         case SCREEN_RGB:
  83         case SCREEN_LVDS:
  84         case SCREEN_DUAL_LVDS:
  85                 trsm_lvds_ops = ops;
  86                 break;
  87         case SCREEN_EDP:
  88                 trsm_edp_ops = ops;
  89                 break;
  90         case SCREEN_MIPI:
  91         case SCREEN_DUAL_MIPI:
  92                 trsm_mipi_ops = ops;
  93                 break;
  94         default:
  95                 printk(KERN_WARNING "%s:un supported transmitter:%d!\n",
  96                        __func__, type);
  97                 break;
  98         }
  99         return 0;
 100 }
 101
 102 struct rk_fb_trsm_ops *rk_fb_trsm_ops_get(int type)
 103 {
 104         struct rk_fb_trsm_ops *ops;
 105         switch (type) {
 106         case SCREEN_RGB:
 107         case SCREEN_LVDS:
 108         case SCREEN_DUAL_LVDS:
 109                 ops = trsm_lvds_ops;
 110                 break;
 111         case SCREEN_EDP:
 112                 ops = trsm_edp_ops;
 113                 break;
 114         case SCREEN_MIPI:
 115         case SCREEN_DUAL_MIPI:
 116                 ops = trsm_mipi_ops;
 117                 break;
 118         default:
 119                 ops = NULL;
 120                 printk(KERN_WARNING "%s:un supported transmitter:%d!\n",
 121                        __func__, type);
 122                 break;
 123         }
 124         return ops;
 125 }
 126
 127 int rk_fb_pixel_width(int data_format)
 128 {
 129         int pixel_width;
 130         switch (data_format) {
 131         case XBGR888:
 132         case ABGR888:
 133         case ARGB888:
 134                 pixel_width = 4 * 8;
 135                 break;
 136         case RGB888:
 137                 pixel_width = 3 * 8;
 138                 break;
 139         case RGB565:
 140                 pixel_width = 2 * 8;
 141                 break;
 142         case YUV422:
 143         case YUV420:
 144         case YUV444:
 145                 pixel_width = 1 * 8;
 146                 break;
 147         case YUV422_A:
 148         case YUV420_A:
 149         case YUV444_A:
 150                 pixel_width = 8;
 151                 break;
 152         default:
 153                 printk(KERN_WARNING "%s:un supported format:0x%x\n",
 154                        __func__, data_format);
 155                 return -EINVAL;
 156         }
 157         return pixel_width;
 158 }
 159
 160 static int rk_fb_data_fmt(int data_format, int bits_per_pixel)
 161 {
 162         int fb_data_fmt;
 163         if (data_format) {
 164                 switch (data_format) {
 165                 case HAL_PIXEL_FORMAT_RGBX_8888:
 166                         fb_data_fmt = XBGR888;
 167                         break;
 168                 case HAL_PIXEL_FORMAT_RGBA_8888:
 169                         fb_data_fmt = ABGR888;
 170                         break;
 171                 case HAL_PIXEL_FORMAT_BGRA_8888:
 172                         fb_data_fmt = ARGB888;
 173                         break;
 174                 case HAL_PIXEL_FORMAT_RGB_888:
 175                         fb_data_fmt = RGB888;
 176                         break;
 177                 case HAL_PIXEL_FORMAT_RGB_565:
 178                         fb_data_fmt = RGB565;
 179                         break;
 180                 case HAL_PIXEL_FORMAT_YCbCr_422_SP:     /* yuv422 */
 181                         fb_data_fmt = YUV422;
 182                         break;
 183                 case HAL_PIXEL_FORMAT_YCrCb_NV12:       /* YUV420---uvuvuv */
 184                         fb_data_fmt = YUV420;
 185                         break;
 186                 case HAL_PIXEL_FORMAT_YCrCb_444:        /* yuv444 */
 187                         fb_data_fmt = YUV444;
 188                         break;
 189                 case HAL_PIXEL_FORMAT_YCrCb_NV12_10:    /* yuv444 */
 190                         fb_data_fmt = YUV420_A;
 191                         break;
 192                 case HAL_PIXEL_FORMAT_YCbCr_422_SP_10:  /* yuv444 */
 193                         fb_data_fmt = YUV422_A;
 194                         break;
 195                 case HAL_PIXEL_FORMAT_YCrCb_420_SP_10:  /* yuv444 */
 196                         fb_data_fmt = YUV444_A;
 197                         break;
 198                 default:
 199                         printk(KERN_WARNING "%s:un supported format:0x%x\n",
 200                                __func__, data_format);
 201                         return -EINVAL;
 202                 }
 203         } else {
 204                 switch (bits_per_pixel) {
 205                 case 32:
 206                         fb_data_fmt = ARGB888;
 207                         break;
 208                 case 16:
 209                         fb_data_fmt = RGB565;
 210                         break;
 211                 default:
 212                         printk(KERN_WARNING
 213                                "%s:un supported bits_per_pixel:%d\n", __func__,
 214                                bits_per_pixel);
 215                         break;
 216                 }
 217         }
 218         return fb_data_fmt;
 219 }
 220
 221 /*
 222  * rk display power control parse from dts
 223  */
 224 int rk_disp_pwr_ctr_parse_dt(struct rk_lcdc_driver *dev_drv)
 225 {
 226         struct device_node *root = of_get_child_by_name(dev_drv->dev->of_node,
 227                                                         "power_ctr");
 228         struct device_node *child;
 229         struct rk_disp_pwr_ctr_list *pwr_ctr;
 230         struct list_head *pos;
 231         enum of_gpio_flags flags;
 232         u32 val = 0;
 233         u32 debug = 0;
 234         int ret;
 235
 236         INIT_LIST_HEAD(&dev_drv->pwrlist_head);
 237         if (!root) {
 238                 dev_err(dev_drv->dev, "can't find power_ctr node for lcdc%d\n",
 239                         dev_drv->id);
 240                 return -ENODEV;
 241         }
 242
 243         for_each_child_of_node(root, child) {
 244                 pwr_ctr = kmalloc(sizeof(struct rk_disp_pwr_ctr_list),
 245                                   GFP_KERNEL);
 246                 strcpy(pwr_ctr->pwr_ctr.name, child->name);
 247                 if (!of_property_read_u32(child, "rockchip,power_type", &val)) {
 248                         if (val == GPIO) {
 249                                 pwr_ctr->pwr_ctr.type = GPIO;
 250                                 pwr_ctr->pwr_ctr.gpio = of_get_gpio_flags(child, 0, &flags);
 251                                 if (!gpio_is_valid(pwr_ctr->pwr_ctr.gpio)) {
 252                                         dev_err(dev_drv->dev, "%s ivalid gpio\n",
 253                                                 child->name);
 254                                         return -EINVAL;
 255                                 }
 256                                 pwr_ctr->pwr_ctr.atv_val = !(flags & OF_GPIO_ACTIVE_LOW);
 257                                 ret = gpio_request(pwr_ctr->pwr_ctr.gpio,
 258                                                    child->name);
 259                                 if (ret) {
 260                                         dev_err(dev_drv->dev,
 261                                                 "request %s gpio fail:%d\n",
 262                                                 child->name, ret);
 263                                 }
 264
 265                         } else {
 266                                 pwr_ctr->pwr_ctr.type = REGULATOR;
 267
 268                         }
 269                 };
 270                 of_property_read_u32(child, "rockchip,delay", &val);
 271                 pwr_ctr->pwr_ctr.delay = val;
 272                 list_add_tail(&pwr_ctr->list, &dev_drv->pwrlist_head);
 273         }
 274
 275         of_property_read_u32(root, "rockchip,debug", &debug);
 276
 277         if (debug) {
 278                 list_for_each(pos, &dev_drv->pwrlist_head) {
 279                         pwr_ctr = list_entry(pos, struct rk_disp_pwr_ctr_list,
 280                                              list);
 281                         printk(KERN_INFO "pwr_ctr_name:%s\n"
 282                                "pwr_type:%s\n"
 283                                "gpio:%d\n"
 284                                "atv_val:%d\n"
 285                                "delay:%d\n\n",
 286                                pwr_ctr->pwr_ctr.name,
 287                                (pwr_ctr->pwr_ctr.type == GPIO) ? "gpio" : "regulator",
 288                                pwr_ctr->pwr_ctr.gpio,
 289                                pwr_ctr->pwr_ctr.atv_val,
 290                                pwr_ctr->pwr_ctr.delay);
 291                 }
 292         }
 293
 294         return 0;
 295
 296 }
 297
 298 int rk_disp_pwr_enable(struct rk_lcdc_driver *dev_drv)
 299 {
 300         struct list_head *pos;
 301         struct rk_disp_pwr_ctr_list *pwr_ctr_list;
 302         struct pwr_ctr *pwr_ctr;
 303         if (list_empty(&dev_drv->pwrlist_head))
 304                 return 0;
 305         list_for_each(pos, &dev_drv->pwrlist_head) {
 306                 pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list,
 307                                           list);
 308                 pwr_ctr = &pwr_ctr_list->pwr_ctr;
 309                 if (pwr_ctr->type == GPIO) {
 310                         gpio_direction_output(pwr_ctr->gpio, pwr_ctr->atv_val);
 311                         mdelay(pwr_ctr->delay);
 312                 }
 313         }
 314
 315         return 0;
 316 }
 317
 318 int rk_disp_pwr_disable(struct rk_lcdc_driver *dev_drv)
 319 {
 320         struct list_head *pos;
 321         struct rk_disp_pwr_ctr_list *pwr_ctr_list;
 322         struct pwr_ctr *pwr_ctr;
 323         if (list_empty(&dev_drv->pwrlist_head))
 324                 return 0;
 325         list_for_each(pos, &dev_drv->pwrlist_head) {
 326                 pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list,
 327                                           list);
 328                 pwr_ctr = &pwr_ctr_list->pwr_ctr;
 329                 if (pwr_ctr->type == GPIO)
 330                         gpio_set_value(pwr_ctr->gpio, !pwr_ctr->atv_val);
 331         }
 332         return 0;
 333 }
 334
 335 int rk_fb_video_mode_from_timing(const struct display_timing *dt,
 336                                  struct rk_screen *screen)
 337 {
 338         screen->mode.pixclock = dt->pixelclock.typ;
 339         screen->mode.left_margin = dt->hback_porch.typ;
 340         screen->mode.right_margin = dt->hfront_porch.typ;
 341         screen->mode.xres = dt->hactive.typ;
 342         screen->mode.hsync_len = dt->hsync_len.typ;
 343         screen->mode.upper_margin = dt->vback_porch.typ;
 344         screen->mode.lower_margin = dt->vfront_porch.typ;
 345         screen->mode.yres = dt->vactive.typ;
 346         screen->mode.vsync_len = dt->vsync_len.typ;
 347         screen->type = dt->screen_type;
 348         screen->lvds_format = dt->lvds_format;
 349         screen->face = dt->face;
 350         screen->color_mode = dt->color_mode;
 351         screen->dsp_lut = dt->dsp_lut;
 352
 353         if (dt->flags & DISPLAY_FLAGS_PIXDATA_POSEDGE)
 354                 screen->pin_dclk = 1;
 355         else
 356                 screen->pin_dclk = 0;
 357         if (dt->flags & DISPLAY_FLAGS_HSYNC_HIGH)
 358                 screen->pin_hsync = 1;
 359         else
 360                 screen->pin_hsync = 0;
 361         if (dt->flags & DISPLAY_FLAGS_VSYNC_HIGH)
 362                 screen->pin_vsync = 1;
 363         else
 364                 screen->pin_vsync = 0;
 365         if (dt->flags & DISPLAY_FLAGS_DE_HIGH)
 366                 screen->pin_den = 1;
 367         else
 368                 screen->pin_den = 0;
 369
 370         return 0;
 371
 372 }
 373
 374 int rk_fb_prase_timing_dt(struct device_node *np, struct rk_screen *screen)
 375 {
 376         struct display_timings *disp_timing;
 377         struct display_timing *dt;
 378         disp_timing = of_get_display_timings(np);
 379         if (!disp_timing) {
 380                 pr_err("parse display timing err\n");
 381                 return -EINVAL;
 382         }
 383         dt = display_timings_get(disp_timing, disp_timing->native_mode);
 384         rk_fb_video_mode_from_timing(dt, screen);
 385         return 0;
 386
 387 }
 388
 389 int rk_fb_calc_fps(struct rk_screen *screen, u32 pixclock)
 390 {
 391         int x, y;
 392         unsigned long long hz;
 393         if (!screen) {
 394                 printk(KERN_ERR "%s:null screen!\n", __func__);
 395                 return 0;
 396         }
 397         x = screen->mode.xres + screen->mode.left_margin +
 398             screen->mode.right_margin + screen->mode.hsync_len;
 399         y = screen->mode.yres + screen->mode.upper_margin +
 400             screen->mode.lower_margin + screen->mode.vsync_len;
 401
 402         hz = 1000000000000ULL;  /* 1e12 picoseconds per second */
 403
 404         hz += (x * y) / 2;
 405         do_div(hz, x * y);      /* divide by x * y with rounding */
 406
 407         hz += pixclock / 2;
 408         do_div(hz, pixclock);   /* divide by pixclock with rounding */
 409
 410         return hz;
 411 }
 412
 413 char *get_format_string(enum data_format format, char *fmt)
 414 {
 415         if (!fmt)
 416                 return NULL;
 417         switch (format) {
 418         case ARGB888:
 419                 strcpy(fmt, "ARGB888");
 420                 break;
 421         case RGB888:
 422                 strcpy(fmt, "RGB888");
 423                 break;
 424         case RGB565:
 425                 strcpy(fmt, "RGB565");
 426                 break;
 427         case YUV420:
 428                 strcpy(fmt, "YUV420");
 429                 break;
 430         case YUV422:
 431                 strcpy(fmt, "YUV422");
 432                 break;
 433         case YUV444:
 434                 strcpy(fmt, "YUV444");
 435                 break;
 436         case YUV420_A:
 437                 strcpy(fmt, "YUV420_A");
 438                 break;
 439         case YUV422_A:
 440                 strcpy(fmt, "YUV422_A");
 441                 break;
 442         case YUV444_A:
 443                 strcpy(fmt, "YUV444_A");
 444                 break;
 445         case XRGB888:
 446                 strcpy(fmt, "XRGB888");
 447                 break;
 448         case XBGR888:
 449                 strcpy(fmt, "XBGR888");
 450                 break;
 451         case ABGR888:
 452                 strcpy(fmt, "XBGR888");
 453                 break;
 454         default:
 455                 strcpy(fmt, "invalid");
 456                 break;
 457         }
 458
 459         return fmt;
 460
 461 }
 462
 463 /*
 464  * this is for hdmi
 465  * name: lcdc device name ,lcdc0 , lcdc1
 466  */
 467 struct rk_lcdc_driver *rk_get_lcdc_drv(char *name)
 468 {
 469         struct rk_fb *inf = NULL;
 470         struct rk_lcdc_driver *dev_drv = NULL;
 471         int i = 0;
 472
 473         if (likely(fb_pdev))
 474                 inf = platform_get_drvdata(fb_pdev);
 475         else
 476                 return NULL;
 477
 478         for (i = 0; i < inf->num_lcdc; i++) {
 479                 if (!strcmp(inf->lcdc_dev_drv[i]->name, name)) {
 480                         dev_drv = inf->lcdc_dev_drv[i];
 481                         break;
 482                 }
 483         }
 484
 485         return dev_drv;
 486 }
 487
 488 static struct rk_lcdc_driver *rk_get_prmry_lcdc_drv(void)
 489 {
 490         struct rk_fb *inf = NULL;
 491         struct rk_lcdc_driver *dev_drv = NULL;
 492         int i = 0;
 493
 494         if (likely(fb_pdev))
 495                 inf = platform_get_drvdata(fb_pdev);
 496         else
 497                 return NULL;
 498
 499         for (i = 0; i < inf->num_lcdc; i++) {
 500                 if (inf->lcdc_dev_drv[i]->prop == PRMRY) {
 501                         dev_drv = inf->lcdc_dev_drv[i];
 502                         break;
 503                 }
 504         }
 505
 506         return dev_drv;
 507 }
 508
 509 /*
 510  * get one frame time of the prmry screen, unit: us
 511  */
 512 u32 rk_fb_get_prmry_screen_ft(void)
 513 {
 514         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 515         uint32_t htotal, vtotal, pixclock_ps;
 516         u64 pix_total, ft_us;
 517
 518         if (unlikely(!dev_drv))
 519                 return 0;
 520
 521         pixclock_ps = dev_drv->pixclock;
 522
 523         vtotal = (dev_drv->cur_screen->mode.upper_margin +
 524                  dev_drv->cur_screen->mode.lower_margin +
 525                  dev_drv->cur_screen->mode.yres +
 526                  dev_drv->cur_screen->mode.vsync_len);
 527         htotal = (dev_drv->cur_screen->mode.left_margin +
 528                  dev_drv->cur_screen->mode.right_margin +
 529                  dev_drv->cur_screen->mode.xres +
 530                  dev_drv->cur_screen->mode.hsync_len);
 531         pix_total = htotal * vtotal;
 532         ft_us = pix_total * pixclock_ps;
 533         do_div(ft_us, 1000000);
 534         if (dev_drv->frame_time.ft == 0)
 535                 dev_drv->frame_time.ft = ft_us;
 536
 537         ft_us = dev_drv->frame_time.framedone_t - dev_drv->frame_time.last_framedone_t;
 538         do_div(ft_us, 1000);
 539         ft_us = min(dev_drv->frame_time.ft, (u32)ft_us);
 540         if (ft_us != 0)
 541                 dev_drv->frame_time.ft = ft_us;
 542
 543         return dev_drv->frame_time.ft;
 544 }
 545
 546 /*
 547  * get the vblanking time of the prmry screen, unit: us
 548  */
 549 u32 rk_fb_get_prmry_screen_vbt(void)
 550 {
 551         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 552         uint32_t htotal, vblank, pixclock_ps;
 553         u64 pix_blank, vbt_us;
 554
 555         if (unlikely(!dev_drv))
 556                 return 0;
 557
 558         pixclock_ps = dev_drv->pixclock;
 559
 560         htotal = (dev_drv->cur_screen->mode.left_margin +
 561                  dev_drv->cur_screen->mode.right_margin +
 562                  dev_drv->cur_screen->mode.xres +
 563                  dev_drv->cur_screen->mode.hsync_len);
 564         vblank = (dev_drv->cur_screen->mode.upper_margin +
 565                  dev_drv->cur_screen->mode.lower_margin +
 566                  dev_drv->cur_screen->mode.vsync_len);
 567         pix_blank = htotal * vblank;
 568         vbt_us = pix_blank * pixclock_ps;
 569         do_div(vbt_us, 1000000);
 570         return (u32)vbt_us;
 571 }
 572
 573 /*
 574  * get the frame done time of the prmry screen, unit: us
 575  */
 576 u64 rk_fb_get_prmry_screen_framedone_t(void)
 577 {
 578         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 579
 580         if (unlikely(!dev_drv))
 581                 return 0;
 582         else
 583                 return dev_drv->frame_time.framedone_t;
 584 }
 585
 586 /*
 587  * set prmry screen status
 588  */
 589 int rk_fb_set_prmry_screen_status(int status)
 590 {
 591         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 592         struct rk_screen *screen;
 593
 594         if (unlikely(!dev_drv))
 595                 return 0;
 596
 597         screen = dev_drv->cur_screen;
 598         switch (status) {
 599         case SCREEN_PREPARE_DDR_CHANGE:
 600                 if (screen->type == SCREEN_MIPI
 601                         || screen->type == SCREEN_DUAL_MIPI) {
 602                         if (dev_drv->trsm_ops->dsp_pwr_off)
 603                                 dev_drv->trsm_ops->dsp_pwr_off();
 604                 }
 605                 break;
 606         case SCREEN_UNPREPARE_DDR_CHANGE:
 607                 if (screen->type == SCREEN_MIPI
 608                         || screen->type == SCREEN_DUAL_MIPI) {
 609                         if (dev_drv->trsm_ops->dsp_pwr_on)
 610                                 dev_drv->trsm_ops->dsp_pwr_on();
 611                 }
 612                 break;
 613         default:
 614                 break;
 615         }
 616
 617         return 0;
 618 }
 619
 620 static struct rk_lcdc_driver *rk_get_extend_lcdc_drv(void)
 621 {
 622         struct rk_fb *inf = NULL;
 623         struct rk_lcdc_driver *dev_drv = NULL;
 624         int i = 0;
 625
 626         if (likely(fb_pdev))
 627                 inf = platform_get_drvdata(fb_pdev);
 628         else
 629                 return NULL;
 630
 631         for (i = 0; i < inf->num_lcdc; i++) {
 632                 if (inf->lcdc_dev_drv[i]->prop == EXTEND) {
 633                         dev_drv = inf->lcdc_dev_drv[i];
 634                         break;
 635                 }
 636         }
 637
 638         return dev_drv;
 639 }
 640
 641 u32 rk_fb_get_prmry_screen_pixclock(void)
 642 {
 643         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 644
 645         if (unlikely(!dev_drv))
 646                 return 0;
 647         else
 648                 return dev_drv->pixclock;
 649 }
 650
 651 int rk_fb_poll_prmry_screen_vblank(void)
 652 {
 653         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 654
 655         if (likely(dev_drv)) {
 656                 if (dev_drv->ops->poll_vblank)
 657                         return dev_drv->ops->poll_vblank(dev_drv);
 658                 else
 659                         return RK_LF_STATUS_NC;
 660         } else {
 661                 return RK_LF_STATUS_NC;
 662         }
 663 }
 664
 665 bool rk_fb_poll_wait_frame_complete(void)
 666 {
 667         uint32_t timeout = RK_LF_MAX_TIMEOUT;
 668         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 669
 670         if (likely(dev_drv)) {
 671                 if (dev_drv->ops->set_irq_to_cpu)
 672                         dev_drv->ops->set_irq_to_cpu(dev_drv, 0);
 673         }
 674
 675         if (rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_NC) {
 676                 if (likely(dev_drv)) {
 677                         if (dev_drv->ops->set_irq_to_cpu)
 678                                 dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
 679                 }
 680                 return false;
 681         }
 682         while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FR) && --timeout)
 683                 ;
 684         while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FC) && --timeout)
 685                 ;
 686         if (likely(dev_drv)) {
 687                 if (dev_drv->ops->set_irq_to_cpu)
 688                         dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
 689         }
 690
 691         return true;
 692 }
 693
 694
 695 /* rk_fb_get_sysmmu_device_by_compatible()
 696  * @compt: dts device compatible name
 697  * return value: success: pointer to the device inside of platform device
 698  *               fail: NULL
 699  */
 700 struct device *rk_fb_get_sysmmu_device_by_compatible(const char *compt)
 701 {
 702         struct device_node *dn = NULL;
 703         struct platform_device *pd = NULL;
 704         struct device *ret = NULL ;
 705
 706         dn = of_find_compatible_node(NULL, NULL, compt);
 707         if (!dn) {
 708                 printk("can't find device node %s \r\n", compt);
 709                 return NULL;
 710         }
 711
 712         pd = of_find_device_by_node(dn);
 713         if (!pd) {
 714                 printk("can't find platform device in device node %s \r\n", compt);
 715                 return  NULL;
 716         }
 717         ret = &pd->dev;
 718
 719         return ret;
 720 }
 721
 722 #ifdef CONFIG_IOMMU_API
 723 void rk_fb_platform_set_sysmmu(struct device *sysmmu, struct device *dev)
 724 {
 725         dev->archdata.iommu = sysmmu;
 726 }
 727 #else
 728 void rk_fb_platform_set_sysmmu(struct device *sysmmu, struct device *dev)
 729 {
 730
 731 }
 732 #endif
 733
 734 static int rk_fb_open(struct fb_info *info, int user)
 735 {
 736         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
 737         int win_id;
 738
 739         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
 740         dev_drv->win[win_id]->logicalstate++;
 741         /* if this win aready opened ,no need to reopen */
 742         if (dev_drv->win[win_id]->state)
 743                 return 0;
 744         else
 745                 dev_drv->ops->open(dev_drv, win_id, 1);
 746         return 0;
 747 }
 748
 749 static int get_extend_fb_id(struct fb_info *info)
 750 {
 751         int fb_id = 0;
 752         char *id = info->fix.id;
 753         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
 754
 755         if (!strcmp(id, "fb0"))
 756                 fb_id = 0;
 757         else if (!strcmp(id, "fb1"))
 758                 fb_id = 1;
 759         else if (!strcmp(id, "fb2") && (dev_drv->lcdc_win_num > 2))
 760                 fb_id = 2;
 761         else if (!strcmp(id, "fb3") && (dev_drv->lcdc_win_num > 3))
 762                 fb_id = 3;
 763         return fb_id;
 764 }
 765
 766 static int rk_fb_close(struct fb_info *info, int user)
 767 {
 768         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
 769         struct rk_lcdc_win *win = NULL;
 770         int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
 771
 772         if (win_id >= 0) {
 773                 win = dev_drv->win[win_id];
 774                 win->logicalstate--;
 775                 if (!win->logicalstate) {
 776                         info->fix.smem_start = win->reserved;
 777                         info->var.xres = dev_drv->screen0->mode.xres;
 778                         info->var.yres = dev_drv->screen0->mode.yres;
 779                         /*
 780                         info->var.grayscale |=
 781                             (info->var.xres << 8) + (info->var.yres << 20);
 782                         */
 783                         info->var.xres_virtual = info->var.xres;
 784                         info->var.yres_virtual = info->var.yres;
 785 #if defined(CONFIG_LOGO_LINUX_BMP)
 786                         info->var.bits_per_pixel = 32;
 787 #else
 788                         info->var.bits_per_pixel = 16;
 789 #endif
 790                         info->fix.line_length =
 791                             (info->var.xres_virtual) * (info->var.bits_per_pixel >> 3);
 792                         info->var.width = dev_drv->screen0->width;
 793                         info->var.height = dev_drv->screen0->height;
 794                         info->var.pixclock = dev_drv->pixclock;
 795                         info->var.left_margin = dev_drv->screen0->mode.left_margin;
 796                         info->var.right_margin = dev_drv->screen0->mode.right_margin;
 797                         info->var.upper_margin = dev_drv->screen0->mode.upper_margin;
 798                         info->var.lower_margin = dev_drv->screen0->mode.lower_margin;
 799                         info->var.vsync_len = dev_drv->screen0->mode.vsync_len;
 800                         info->var.hsync_len = dev_drv->screen0->mode.hsync_len;
 801                 }
 802                 info->var.reserved[0] = (__u32)win->area[0].ion_hdl;
 803         }
 804
 805         return 0;
 806 }
 807
 808
 809 #if defined(CONFIG_RK29_IPP)
 810 static int get_ipp_format(int fmt)
 811 {
 812         int ipp_fmt = IPP_XRGB_8888;
 813         switch (fmt) {
 814         case HAL_PIXEL_FORMAT_RGBX_8888:
 815         case HAL_PIXEL_FORMAT_RGBA_8888:
 816         case HAL_PIXEL_FORMAT_BGRA_8888:
 817         case HAL_PIXEL_FORMAT_RGB_888:
 818                 ipp_fmt = IPP_XRGB_8888;
 819                 break;
 820         case HAL_PIXEL_FORMAT_RGB_565:
 821                 ipp_fmt = IPP_RGB_565;
 822                 break;
 823         case HAL_PIXEL_FORMAT_YCbCr_422_SP:
 824                 ipp_fmt = IPP_Y_CBCR_H2V1;
 825                 break;
 826         case HAL_PIXEL_FORMAT_YCrCb_NV12:
 827                 ipp_fmt = IPP_Y_CBCR_H2V2;
 828                 break;
 829         case HAL_PIXEL_FORMAT_YCrCb_444:
 830                 ipp_fmt = IPP_Y_CBCR_H1V1;
 831                 break;
 832         default:
 833                 ipp_fmt = IPP_IMGTYPE_LIMIT;
 834                 break;
 835         }
 836
 837         return ipp_fmt;
 838 }
 839
 840 static void ipp_win_check(int *dst_w, int *dst_h, int *dst_vir_w,
 841                           int rotation, int fmt)
 842 {
 843         int align16 = 2;
 844         int align64 = 8;
 845
 846         if (fmt == IPP_XRGB_8888) {
 847                 align16 = 1;
 848                 align64 = 2;
 849         } else if (fmt == IPP_RGB_565) {
 850                 align16 = 1;
 851                 align64 = 4;
 852         } else {
 853                 align16 = 2;
 854                 align64 = 8;
 855         }
 856         align16 -= 1;           /*for YUV, 1 */
 857         align64 -= 1;           /*for YUV, 7 */
 858
 859         if (rotation == IPP_ROT_0) {
 860                 if (fmt > IPP_RGB_565) {
 861                         if ((*dst_w & 1) != 0)
 862                                 *dst_w = *dst_w + 1;
 863                         if ((*dst_h & 1) != 0)
 864                                 *dst_h = *dst_h + 1;
 865                         if (*dst_vir_w < *dst_w)
 866                                 *dst_vir_w = *dst_w;
 867                 }
 868         } else {
 869                 if ((*dst_w & align64) != 0)
 870                         *dst_w = (*dst_w + align64) & (~align64);
 871                 if ((fmt > IPP_RGB_565) && ((*dst_h & 1) == 1))
 872                         *dst_h = *dst_h + 1;
 873                 if (*dst_vir_w < *dst_w)
 874                         *dst_vir_w = *dst_w;
 875         }
 876 }
 877
 878 static void fb_copy_by_ipp(struct fb_info *dst_info,
 879                                 struct fb_info *src_info)
 880 {
 881         struct rk29_ipp_req ipp_req;
 882         uint32_t rotation = 0;
 883         int dst_w, dst_h, dst_vir_w;
 884         int ipp_fmt;
 885         u8 data_format = (dst_info->var.nonstd) & 0xff;
 886         struct rk_lcdc_driver *ext_dev_drv =
 887                         (struct rk_lcdc_driver *)dst_info->par;
 888         u16 orientation = ext_dev_drv->rotate_mode;
 889
 890         memset(&ipp_req, 0, sizeof(struct rk29_ipp_req));
 891
 892         switch (orientation) {
 893         case 0:
 894                 rotation = IPP_ROT_0;
 895                 break;
 896         case ROTATE_90:
 897                 rotation = IPP_ROT_90;
 898                 break;
 899         case ROTATE_180:
 900                 rotation = IPP_ROT_180;
 901                 break;
 902         case ROTATE_270:
 903                 rotation = IPP_ROT_270;
 904                 break;
 905         default:
 906                 rotation = IPP_ROT_270;
 907                 break;
 908         }
 909
 910         dst_w = dst_info->var.xres;
 911         dst_h = dst_info->var.yres;
 912         dst_vir_w = dst_info->var.xres_virtual;
 913         ipp_fmt = get_ipp_format(data_format);
 914         ipp_win_check(&dst_w, &dst_h, &dst_vir_w, rotation, ipp_fmt);
 915         ipp_req.src0.YrgbMst = src_info->fix.smem_start + offset;
 916         ipp_req.src0.w = src_info->var.xres;
 917         ipp_req.src0.h = src_info->var.yres;
 918         ipp_req.src_vir_w = src_info->var.xres_virtual;
 919         ipp_req.src0.fmt = ipp_fmt;
 920
 921         ipp_req.dst0.YrgbMst = dst_info->fix.smem_start + offset;
 922         ipp_req.dst0.w = dst_w;
 923         ipp_req.dst0.h = dst_h;
 924         ipp_req.dst_vir_w = dst_vir_w;
 925         ipp_req.dst0.fmt = ipp_fmt;
 926
 927         ipp_req.timeout = 100;
 928         ipp_req.flag = rotation;
 929         ipp_blit_sync(&ipp_req);
 930 }
 931
 932 #endif
 933
 934 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
 935 static int get_rga_format(int fmt)
 936 {
 937         int rga_fmt = 0;
 938
 939         switch (fmt) {
 940         case XBGR888:
 941                 rga_fmt = RK_FORMAT_RGBX_8888;
 942                 break;
 943         case ABGR888:
 944                 rga_fmt = RK_FORMAT_RGBA_8888;
 945                 break;
 946         case ARGB888:
 947                 rga_fmt = RK_FORMAT_BGRA_8888;
 948                 break;
 949         case RGB888:
 950                 rga_fmt = RK_FORMAT_RGB_888;
 951                 break;
 952         case RGB565:
 953                 rga_fmt = RK_FORMAT_RGB_565;
 954                 break;
 955         case YUV422:
 956                 rga_fmt = RK_FORMAT_YCbCr_422_SP;
 957                 break;
 958         case YUV420:
 959                 rga_fmt = RK_FORMAT_YCbCr_420_SP;
 960                 break;
 961         default:
 962                 rga_fmt = RK_FORMAT_RGBA_8888;
 963                 break;
 964         }
 965
 966         return rga_fmt;
 967 }
 968
 969 static void rga_win_check(struct rk_lcdc_win *dst_win,
 970                           struct rk_lcdc_win *src_win)
 971 {
 972         int format = 0;
 973
 974         format = get_rga_format(src_win->format);
 975         /* width and height must be even number */
 976         if (format >= RK_FORMAT_YCbCr_422_SP &&
 977             format <= RK_FORMAT_YCrCb_420_P) {
 978                 if ((src_win->area[0].xact % 2) != 0)
 979                         src_win->area[0].xact += 1;
 980                 if ((src_win->area[0].yact % 2) != 0)
 981                         src_win->area[0].yact += 1;
 982         }
 983         if (src_win->area[0].xvir < src_win->area[0].xact)
 984                 src_win->area[0].xvir = src_win->area[0].xact;
 985         if (src_win->area[0].yvir < src_win->area[0].yact)
 986                 src_win->area[0].yvir = src_win->area[0].yact;
 987
 988         format = get_rga_format(dst_win->format);
 989         if (format >= RK_FORMAT_YCbCr_422_SP &&
 990             format <= RK_FORMAT_YCrCb_420_P) {
 991                 if ((dst_win->area[0].xact % 2) != 0)
 992                         dst_win->area[0].xact += 1;
 993                 if ((dst_win->area[0].yact % 2) != 0)
 994                         dst_win->area[0].yact += 1;
 995         }
 996         if (dst_win->area[0].xvir < dst_win->area[0].xact)
 997                 dst_win->area[0].xvir = dst_win->area[0].xact;
 998         if (dst_win->area[0].yvir < dst_win->area[0].yact)
 999                 dst_win->area[0].yvir = dst_win->area[0].yact;
1000 }
1001
1002 static void win_copy_by_rga(struct rk_lcdc_win *dst_win,
1003                             struct rk_lcdc_win *src_win,
1004                             u16 orientation, int iommu_en)
1005 {
1006         struct rga_req Rga_Request;
1007         long ret = 0;
1008         /* int fd = 0; */
1009
1010         memset(&Rga_Request, 0, sizeof(Rga_Request));
1011         rga_win_check(dst_win, src_win);
1012
1013         switch (orientation) {
1014         case ROTATE_90:
1015                 Rga_Request.rotate_mode = 1;
1016                 Rga_Request.sina = 65536;
1017                 Rga_Request.cosa = 0;
1018                 Rga_Request.dst.act_w = dst_win->area[0].yact;
1019                 Rga_Request.dst.act_h = dst_win->area[0].xact;
1020                 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1021                 Rga_Request.dst.y_offset = 0;
1022                 break;
1023         case ROTATE_180:
1024                 Rga_Request.rotate_mode = 1;
1025                 Rga_Request.sina = 0;
1026                 Rga_Request.cosa = -65536;
1027                 Rga_Request.dst.act_w = dst_win->area[0].xact;
1028                 Rga_Request.dst.act_h = dst_win->area[0].yact;
1029                 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1030                 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1031                 break;
1032         case ROTATE_270:
1033                 Rga_Request.rotate_mode = 1;
1034                 Rga_Request.sina = -65536;
1035                 Rga_Request.cosa = 0;
1036                 Rga_Request.dst.act_w = dst_win->area[0].yact;
1037                 Rga_Request.dst.act_h = dst_win->area[0].xact;
1038                 Rga_Request.dst.x_offset = 0;
1039                 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1040                 break;
1041         default:
1042                 Rga_Request.rotate_mode = 0;
1043                 Rga_Request.dst.act_w = dst_win->area[0].xact;
1044                 Rga_Request.dst.act_h = dst_win->area[0].yact;
1045                 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1046                 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1047                 break;
1048         }
1049
1050 /*
1051         fd = ion_share_dma_buf_fd(rk_fb->ion_client, src_win->area[0].ion_hdl);
1052         Rga_Request.src.yrgb_addr = fd;
1053         fd = ion_share_dma_buf_fd(rk_fb->ion_client, dst_win->area[0].ion_hdl);
1054         Rga_Request.dst.yrgb_addr = fd;
1055 */
1056         Rga_Request.src.yrgb_addr = 0;
1057         Rga_Request.src.uv_addr =
1058             src_win->area[0].smem_start + src_win->area[0].y_offset;
1059         Rga_Request.src.v_addr = 0;
1060
1061         Rga_Request.dst.yrgb_addr = 0;
1062         Rga_Request.dst.uv_addr =
1063             dst_win->area[0].smem_start + dst_win->area[0].y_offset;
1064         Rga_Request.dst.v_addr = 0;
1065
1066         Rga_Request.src.vir_w = src_win->area[0].xvir;
1067         Rga_Request.src.vir_h = src_win->area[0].yvir;
1068         Rga_Request.src.format = get_rga_format(src_win->format);
1069         Rga_Request.src.act_w = src_win->area[0].xact;
1070         Rga_Request.src.act_h = src_win->area[0].yact;
1071         Rga_Request.src.x_offset = 0;
1072         Rga_Request.src.y_offset = 0;
1073
1074         Rga_Request.dst.vir_w = dst_win->area[0].xvir;
1075         Rga_Request.dst.vir_h = dst_win->area[0].yvir;
1076         Rga_Request.dst.format = get_rga_format(dst_win->format);
1077
1078         Rga_Request.clip.xmin = 0;
1079         Rga_Request.clip.xmax = dst_win->area[0].xact - 1;
1080         Rga_Request.clip.ymin = 0;
1081         Rga_Request.clip.ymax = dst_win->area[0].yact - 1;
1082         Rga_Request.scale_mode = 0;
1083 #if defined(CONFIG_ROCKCHIP_IOMMU)
1084         if (iommu_en) {
1085                 Rga_Request.mmu_info.mmu_en = 1;
1086                 Rga_Request.mmu_info.mmu_flag = 1;
1087         } else {
1088                 Rga_Request.mmu_info.mmu_en = 0;
1089                 Rga_Request.mmu_info.mmu_flag = 0;
1090         }
1091 #else
1092         Rga_Request.mmu_info.mmu_en = 0;
1093         Rga_Request.mmu_info.mmu_flag = 0;
1094 #endif
1095
1096         ret = rga_ioctl_kernel(&Rga_Request);
1097 }
1098
1099 /*
1100  * This function is used for copying fb by RGA Module
1101  * RGA only support copy RGB to RGB
1102  * RGA2 support copy RGB to RGB and YUV to YUV
1103  */
1104 static void fb_copy_by_rga(struct fb_info *dst_info,
1105                                 struct fb_info *src_info)
1106 {
1107         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)src_info->par;
1108         struct rk_lcdc_driver *ext_dev_drv =
1109             (struct rk_lcdc_driver *)dst_info->par;
1110         int win_id = 0, ext_win_id;
1111         struct rk_lcdc_win *src_win, *dst_win;
1112
1113         win_id = dev_drv->ops->fb_get_win_id(dev_drv, src_info->fix.id);
1114         src_win = dev_drv->win[win_id];
1115
1116         ext_win_id =
1117             ext_dev_drv->ops->fb_get_win_id(ext_dev_drv, dst_info->fix.id);
1118         dst_win = ext_dev_drv->win[ext_win_id];
1119
1120         win_copy_by_rga(dst_win, src_win, ext_dev_drv->rotate_mode,
1121                         ext_dev_drv->iommu_enabled);
1122 }
1123
1124 #endif
1125
1126 static int rk_fb_rotate(struct fb_info *dst_info,
1127                           struct fb_info *src_info)
1128 {
1129
1130 #if defined(CONFIG_RK29_IPP)
1131         fb_copy_by_ipp(dst_info, src_info);
1132 #elif defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1133         fb_copy_by_rga(dst_info, src_info);
1134 #else
1135         return -1;
1136 #endif
1137         return 0;
1138 }
1139
1140 static int rk_fb_win_rotate(struct rk_lcdc_win *dst_win,
1141                             struct rk_lcdc_win *src_win,
1142                             u16 rotate, int iommu_en)
1143 {
1144 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1145         win_copy_by_rga(dst_win, src_win, rotate, iommu_en);
1146 #else
1147         return -1;
1148 #endif
1149         return 0;
1150 }
1151
1152 static int rk_fb_set_ext_win_buffer(struct rk_lcdc_win *ext_win,
1153                                          struct rk_lcdc_win *win,
1154                                          u16 rotate, int iommu_en)
1155 {
1156         struct rk_fb *rk_fb =  platform_get_drvdata(fb_pdev);
1157         struct fb_info *ext_info = rk_fb->fb[(rk_fb->num_fb >> 1)];
1158         struct rk_lcdc_driver *ext_dev_drv = rk_get_extend_lcdc_drv();
1159         struct rk_lcdc_win *last_win;
1160         static u8 fb_index = 0;
1161         ion_phys_addr_t phy_addr;
1162         size_t len = 0;
1163         int ret = 0;
1164         bool is_yuv = false;
1165
1166         if (unlikely(!ext_win) || unlikely(!win))
1167                 return -1;
1168
1169         if (rk_fb->disp_mode != DUAL || ext_info == NULL)
1170                 return 0;
1171
1172         switch (ext_win->format) {
1173         case YUV422:
1174         case YUV420:
1175         case YUV444:
1176         case YUV422_A:
1177         case YUV420_A:
1178         case YUV444_A:
1179                 is_yuv = true;
1180                 break;
1181         default:
1182                 is_yuv = false;
1183                 break;
1184         }
1185
1186         /* no rotate mode */
1187         if (rotate <= X_Y_MIRROR) {
1188                 if (iommu_en) {
1189                         ret = ion_map_iommu(ext_dev_drv->dev,
1190                                             rk_fb->ion_client,
1191                                             win->area[0].ion_hdl,
1192                                             (unsigned long *)&phy_addr,
1193                                             (unsigned long *)&len);
1194                         if (ret < 0) {
1195                                 dev_err(ext_dev_drv->dev, "ion map to get phy addr failed\n");
1196                                 ion_free(rk_fb->ion_client, win->area[0].ion_hdl);
1197                                 return -ENOMEM;
1198                         }
1199                         ext_win->area[0].smem_start = phy_addr;
1200                         ext_win->area[0].y_offset = win->area[0].y_offset;
1201                         if (is_yuv) {
1202                                 ext_win->area[0].cbr_start = win->area[0].cbr_start;
1203                                 ext_win->area[0].c_offset = win->area[0].c_offset;
1204                         } else {
1205                                 ext_win->area[0].cbr_start = 0;
1206                                 ext_win->area[0].c_offset = 0;
1207                         }
1208                 } else {
1209                         ext_win->area[0].smem_start = win->area[0].smem_start;
1210                         ext_win->area[0].y_offset = win->area[0].y_offset;
1211                         if (is_yuv) {
1212                                 ext_win->area[0].cbr_start = win->area[0].cbr_start;
1213                                 ext_win->area[0].c_offset = win->area[0].c_offset;
1214                         } else {
1215                                 ext_win->area[0].cbr_start = 0;
1216                                 ext_win->area[0].c_offset = 0;
1217                         }
1218                 }
1219
1220                 return 0;
1221         }
1222
1223         /* rotate mode */
1224         if (!iommu_en) {
1225                 if (ext_win->id == 0) {
1226                         ext_win->area[0].smem_start = rk_fb->ext_fb_phy_base;
1227                         ext_win->area[0].y_offset = (get_rotate_fb_size() >> 1) * fb_index;
1228                         if ((++fb_index) > 1)
1229                                 fb_index = 0;
1230                 } else {
1231                         ext_win->area[0].y_offset = 0;
1232                         last_win = ext_dev_drv->win[ext_win->id - 1];
1233                         if (last_win->area[0].cbr_start)
1234                                 ext_win->area[0].smem_start =
1235                                         last_win->area[0].cbr_start +
1236                                         last_win->area[0].c_offset +
1237                                         last_win->area[0].xvir * last_win->area[0].yvir;
1238                         else
1239                                 ext_win->area[0].smem_start =
1240                                         last_win->area[0].smem_start +
1241                                         last_win->area[0].y_offset +
1242                                         last_win->area[0].xvir * last_win->area[0].yvir;
1243                 }
1244
1245                 if (is_yuv) {
1246                         ext_win->area[0].cbr_start =
1247                                 ext_win->area[0].smem_start +
1248                                 ext_win->area[0].y_offset +
1249                                 ext_win->area[0].xvir * ext_win->area[0].yvir;
1250                         ext_win->area[0].c_offset = win->area[0].c_offset;
1251                 } else {
1252                         ext_win->area[0].cbr_start = 0;
1253                         ext_win->area[0].c_offset = 0;
1254                 }
1255         }
1256
1257         return 0;
1258 }
1259
1260 static int rk_fb_pan_display(struct fb_var_screeninfo *var,
1261                              struct fb_info *info)
1262 {
1263         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
1264         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
1265         struct fb_fix_screeninfo *fix = &info->fix;
1266         struct fb_info *extend_info = NULL;
1267         struct rk_lcdc_driver *extend_dev_drv = NULL;
1268         int win_id = 0, extend_win_id = 0;
1269         struct rk_lcdc_win *extend_win = NULL;
1270         struct rk_lcdc_win *win = NULL;
1271         struct rk_screen *screen = dev_drv->cur_screen;
1272         int fb_id = 0;
1273
1274         u32 xoffset = var->xoffset;
1275         u32 yoffset = var->yoffset;
1276         u32 xvir = var->xres_virtual;
1277         /* u32 yvir = var->yres_virtual; */
1278         /* u8 data_format = var->nonstd&0xff; */
1279
1280         u8 pixel_width;
1281         u32 vir_width_bit;
1282         u32 stride, uv_stride;
1283         u32 stride_32bit_1;
1284         u32 stride_32bit_2;
1285         u16 uv_x_off, uv_y_off, uv_y_act;
1286         u8 is_pic_yuv = 0;
1287
1288         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1289         if (win_id < 0)
1290                 return -ENODEV;
1291         else
1292                 win = dev_drv->win[win_id];
1293
1294         if (rk_fb->disp_mode == DUAL) {
1295                 fb_id = get_extend_fb_id(info);
1296                 extend_info = rk_fb->fb[(rk_fb->num_fb >> 1) + fb_id];
1297                 extend_dev_drv = (struct rk_lcdc_driver *)extend_info->par;
1298                 extend_win_id = dev_drv->ops->fb_get_win_id(extend_dev_drv,
1299                                                            extend_info->fix.id);
1300                 extend_win = extend_dev_drv->win[extend_win_id];
1301         }
1302
1303         pixel_width = rk_fb_pixel_width(win->format);
1304         vir_width_bit = pixel_width * xvir;
1305         /* pixel_width = byte_num * 8 */
1306         stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
1307         stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
1308
1309         switch (win->format) {
1310         case YUV422:
1311         case YUV422_A:
1312                 is_pic_yuv = 1;
1313                 stride = stride_32bit_1;
1314                 uv_stride = stride_32bit_1 >> 1;
1315                 uv_x_off = xoffset >> 1;
1316                 uv_y_off = yoffset;
1317                 fix->line_length = stride;
1318                 uv_y_act = win->area[0].yact >> 1;
1319                 break;
1320         case YUV420:            /* 420sp */
1321         case YUV420_A:
1322                 is_pic_yuv = 1;
1323                 stride = stride_32bit_1;
1324                 uv_stride = stride_32bit_1;
1325                 uv_x_off = xoffset;
1326                 uv_y_off = yoffset >> 1;
1327                 fix->line_length = stride;
1328                 uv_y_act = win->area[0].yact >> 1;
1329                 break;
1330         case YUV444:
1331         case YUV444_A:
1332                 is_pic_yuv = 1;
1333                 stride = stride_32bit_1;
1334                 uv_stride = stride_32bit_2;
1335                 uv_x_off = xoffset * 2;
1336                 uv_y_off = yoffset;
1337                 fix->line_length = stride << 2;
1338                 uv_y_act = win->area[0].yact;
1339                 break;
1340         default:
1341                 stride = stride_32bit_1;        /* default rgb */
1342                 fix->line_length = stride;
1343                 break;
1344         }
1345
1346         /* x y mirror ,jump line */
1347         if (screen->y_mirror == 1) {
1348                 if (screen->interlace == 1) {
1349                         win->area[0].y_offset = yoffset * stride * 2 +
1350                             ((win->area[0].yact - 1) * 2 + 1) * stride +
1351                             xoffset * pixel_width / 8;
1352                 } else {
1353                         win->area[0].y_offset = yoffset * stride +
1354                             (win->area[0].yact - 1) * stride +
1355                             xoffset * pixel_width / 8;
1356                 }
1357         } else {
1358                 if (screen->interlace == 1) {
1359                         win->area[0].y_offset =
1360                             yoffset * stride * 2 + xoffset * pixel_width / 8;
1361                 } else {
1362                         win->area[0].y_offset =
1363                             yoffset * stride + xoffset * pixel_width / 8;
1364                 }
1365         }
1366         if (is_pic_yuv == 1) {
1367                 if (screen->y_mirror == 1) {
1368                         if (screen->interlace == 1) {
1369                                 win->area[0].c_offset =
1370                                     uv_y_off * uv_stride * 2 +
1371                                     ((uv_y_act - 1) * 2 + 1) * uv_stride +
1372                                     uv_x_off * pixel_width / 8;
1373                         } else {
1374                                 win->area[0].c_offset = uv_y_off * uv_stride +
1375                                     (uv_y_act - 1) * uv_stride +
1376                                     uv_x_off * pixel_width / 8;
1377                         }
1378                 } else {
1379                         if (screen->interlace == 1) {
1380                                 win->area[0].c_offset =
1381                                     uv_y_off * uv_stride * 2 +
1382                                     uv_x_off * pixel_width / 8;
1383                         } else {
1384                                 win->area[0].c_offset =
1385                                     uv_y_off * uv_stride +
1386                                     uv_x_off * pixel_width / 8;
1387                         }
1388                 }
1389         }
1390
1391         win->area[0].smem_start = fix->smem_start;
1392         win->area[0].cbr_start = fix->mmio_start;
1393         win->area[0].state = 1;
1394         win->area_num = 1;
1395
1396         dev_drv->ops->pan_display(dev_drv, win_id);
1397
1398         if (rk_fb->disp_mode == DUAL) {
1399                 if (extend_win->state && hdmi_switch_complete) {
1400                         rk_fb_set_ext_win_buffer(extend_win, win,
1401                                                  extend_dev_drv->rotate_mode,
1402                                                  extend_dev_drv->iommu_enabled);
1403                         if (extend_dev_drv->rotate_mode > X_Y_MIRROR)
1404                                 rk_fb_rotate(extend_info, info);
1405
1406                         extend_dev_drv->ops->pan_display(extend_dev_drv,
1407                                                          extend_win_id);
1408                         extend_dev_drv->ops->cfg_done(extend_dev_drv);
1409                 }
1410         }
1411 #ifdef  CONFIG_FB_MIRRORING
1412         if (video_data_to_mirroring)
1413                 video_data_to_mirroring(info, NULL);
1414 #endif
1415         dev_drv->ops->cfg_done(dev_drv);
1416         return 0;
1417 }
1418
1419 static int rk_fb_get_list_stat(struct rk_lcdc_driver *dev_drv)
1420 {
1421         int i, j;
1422
1423         i = list_empty(&dev_drv->update_regs_list);
1424         j = list_empty(&saved_list);
1425         return i == j ? 0 : 1;
1426 }
1427
1428 void rk_fd_fence_wait(struct rk_lcdc_driver *dev_drv, struct sync_fence *fence)
1429 {
1430         int err = sync_fence_wait(fence, 1000);
1431
1432         if (err >= 0)
1433                 return;
1434
1435         if (err == -ETIME)
1436                 err = sync_fence_wait(fence, 10 * MSEC_PER_SEC);
1437
1438         if (err < 0)
1439                 printk("error waiting on fence\n");
1440 }
1441 #if 0
1442 static int rk_fb_copy_from_loader(struct fb_info *info)
1443 {
1444         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
1445         void *dst = info->screen_base;
1446         u32 dsp_addr[4];
1447         u32 src;
1448         u32 i,size;
1449         int win_id;
1450         struct rk_lcdc_win *win;
1451
1452         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1453         win = dev_drv->win[win_id];
1454         size = (win->area[0].xact) * (win->area[0].yact) << 2;
1455         dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1456         src = dsp_addr[win_id];
1457         dev_info(info->dev, "copy fb data %d x %d  from  dst_addr:%08x\n",
1458                  win->area[0].xact, win->area[0].yact, src);
1459         for (i = 0; i < size; i += PAGE_SIZE) {
1460                 void *page = phys_to_page(i + src);
1461                 void *from_virt = kmap(page);
1462                 void *to_virt = dst + i;
1463                 memcpy(to_virt, from_virt, PAGE_SIZE);
1464         }
1465         dev_drv->ops->direct_set_addr(dev_drv, win_id,
1466                                       info->fix.smem_start);
1467         return 0;
1468 }
1469 #endif
1470 #ifdef CONFIG_ROCKCHIP_IOMMU
1471 static int g_last_addr[4];
1472 int g_last_timeout;
1473 u32 freed_addr[10];
1474 u32 freed_index;
1475
1476 #define DUMP_CHUNK 256
1477 char buf[PAGE_SIZE];
1478
1479 int rk_fb_sysmmu_fault_handler(struct device *dev,
1480                                enum rk_iommu_inttype itype,
1481                                unsigned long pgtable_base,
1482                                unsigned long fault_addr, unsigned int status)
1483 {
1484         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
1485         int i = 0;
1486         static int page_fault_cnt;
1487         if ((page_fault_cnt++) >= 10)
1488                 return 0;
1489         pr_err
1490             ("PAGE FAULT occurred at 0x%lx (Page table base: 0x%lx),status=%d\n",
1491              fault_addr, pgtable_base, status);
1492         printk("last config addr:\n" "win0:0x%08x\n" "win1:0x%08x\n"
1493                "win2:0x%08x\n" "win3:0x%08x\n", g_last_addr[0], g_last_addr[1],
1494                g_last_addr[2], g_last_addr[3]);
1495         printk("last freed buffer:\n");
1496         for (i = 0; (freed_addr[i] != 0xfefefefe) && freed_addr[i]; i++)
1497                 printk("%d:0x%08x\n", i, freed_addr[i]);
1498         printk("last timeout:%d\n", g_last_timeout);
1499         dev_drv->ops->get_disp_info(dev_drv, buf, 0);
1500         for (i = 0; i < PAGE_SIZE; i += DUMP_CHUNK) {
1501                 if ((PAGE_SIZE - i) > DUMP_CHUNK) {
1502                         char c = buf[i + DUMP_CHUNK];
1503                         buf[i + DUMP_CHUNK] = 0;
1504                         pr_cont("%s", buf + i);
1505                         buf[i + DUMP_CHUNK] = c;
1506                 } else {
1507                         buf[PAGE_SIZE - 1] = 0;
1508                         pr_cont("%s", buf + i);
1509                 }
1510         }
1511
1512         return 0;
1513 }
1514 #endif
1515
1516 void rk_fb_free_dma_buf(struct rk_lcdc_driver *dev_drv,
1517                         struct rk_fb_reg_win_data *reg_win_data)
1518 {
1519         int i, index_buf;
1520         struct rk_fb_reg_area_data *area_data;
1521         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1522 #if defined(CONFIG_ROCKCHIP_IOMMU)
1523         struct rk_lcdc_driver *ext_dev_drv = rk_get_extend_lcdc_drv();
1524 #endif
1525
1526         for (i = 0; i < reg_win_data->area_num; i++) {
1527                 area_data = &reg_win_data->reg_area_data[i];
1528                 index_buf = area_data->index_buf;
1529 #if defined(CONFIG_ROCKCHIP_IOMMU)
1530                 if (dev_drv->iommu_enabled) {
1531                         ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client,
1532                                         area_data->ion_handle);
1533                         freed_addr[freed_index++] = area_data->smem_start;
1534                 }
1535                 if (rk_fb->disp_mode == DUAL && hdmi_switch_complete) {
1536                         if (ext_dev_drv->iommu_enabled)
1537                                 ion_unmap_iommu(ext_dev_drv->dev,
1538                                                 rk_fb->ion_client,
1539                                                 area_data->ion_handle);
1540                 }
1541 #endif
1542                 if (area_data->ion_handle != NULL) {
1543                         ion_unmap_kernel(rk_fb->ion_client,
1544                                          area_data->ion_handle);
1545                         ion_free(rk_fb->ion_client, area_data->ion_handle);
1546                 }
1547                 if (area_data->acq_fence)
1548                         sync_fence_put(area_data->acq_fence);
1549         }
1550         memset(reg_win_data, 0, sizeof(struct rk_fb_reg_win_data));
1551 }
1552
1553 /*
1554  * function: update extend win info acorrding to primary win info,
1555         the function is only used for dual display mode
1556  * @ext_dev_drv: the extend lcdc driver
1557  * @dev_drv: the primary lcdc driver
1558  * @ext_win: the lcdc win info of extend screen
1559  * @win: the lcdc win info of primary screen
1560  */
1561 static int rk_fb_update_ext_win(struct rk_lcdc_driver *ext_dev_drv,
1562                                      struct rk_lcdc_driver *dev_drv,
1563                                      struct rk_lcdc_win *ext_win,
1564                                      struct rk_lcdc_win *win)
1565 {
1566         struct rk_screen *screen = dev_drv->cur_screen;
1567         struct rk_screen *ext_screen = ext_dev_drv->cur_screen;
1568         int hdmi_xsize = ext_screen->xsize;
1569         int hdmi_ysize = ext_screen->ysize;
1570         int pixel_width, vir_width_bit, y_stride;
1571         bool is_yuv = false;
1572         int rotate_mode = 0;
1573
1574         if (unlikely(!dev_drv) || unlikely(!ext_dev_drv) ||
1575             unlikely(!ext_win) || unlikely(!win))
1576                 return -1;
1577
1578         rotate_mode = ext_dev_drv->rotate_mode;
1579
1580         if (ext_win->state == 0) {
1581                 dev_info(ext_dev_drv->dev, "extend lcdc win is closed\n");
1582                 return 0;
1583         }
1584
1585         ext_win->area[0].state = win->area[0].state;
1586         ext_win->area_num = win->area_num;
1587         ext_win->format = win->format;
1588         ext_win->fmt_10 = win->fmt_10;
1589         ext_win->z_order = win->z_order;
1590         ext_win->alpha_en = win->alpha_en;
1591         ext_win->alpha_mode = win->alpha_mode;
1592         ext_win->g_alpha_val = win->g_alpha_val;
1593
1594         switch (ext_win->format) {
1595         case YUV422:
1596         case YUV420:
1597         case YUV444:
1598         case YUV422_A:
1599         case YUV420_A:
1600         case YUV444_A:
1601                 is_yuv = true;
1602                 break;
1603         default:
1604                 is_yuv = false;
1605                 break;
1606         }
1607
1608         if (rotate_mode == ROTATE_90 || rotate_mode == ROTATE_270) {
1609                 ext_win->area[0].xact = win->area[0].yact;
1610                 ext_win->area[0].yact = win->area[0].xact;
1611                 ext_win->area[0].xvir = win->area[0].yact;
1612                 ext_win->area[0].yvir = win->area[0].xact;
1613
1614                 pixel_width = rk_fb_pixel_width(ext_win->format);
1615                 vir_width_bit = pixel_width * ext_win->area[0].xvir;
1616                 y_stride = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
1617                 ext_win->area[0].y_vir_stride = y_stride >> 2;
1618                 if (is_yuv)
1619                         ext_win->area[0].uv_vir_stride = ext_win->area[0].y_vir_stride;
1620                 else
1621                         ext_win->area[0].uv_vir_stride = 0;
1622         } else {
1623                 ext_win->area[0].xact = win->area[0].xact;
1624                 ext_win->area[0].yact = win->area[0].yact;
1625                 if (win->area[0].xvir == 0)
1626                         ext_win->area[0].xvir = win->area[0].xact;
1627                 else
1628                         ext_win->area[0].xvir = win->area[0].xvir;
1629                 if (win->area[0].yvir == 0)
1630                         ext_win->area[0].yvir = win->area[0].yact;
1631                 else
1632                         ext_win->area[0].yvir = win->area[0].yvir;
1633                 ext_win->area[0].y_vir_stride = win->area[0].y_vir_stride;
1634                 if (is_yuv)
1635                         ext_win->area[0].uv_vir_stride = win->area[0].uv_vir_stride;
1636                 else
1637                         ext_win->area[0].uv_vir_stride = 0;
1638         }
1639
1640         if (win->area[0].xpos != 0 || win->area[0].ypos != 0) {
1641                 if (rotate_mode == ROTATE_270) {
1642                         int xbom_pos = 0, ybom_pos = 0;
1643                         int xtop_pos = 0, ytop_pos = 0;
1644
1645                         ext_win->area[0].xsize =
1646                                 hdmi_xsize * win->area[0].ysize / screen->mode.yres;
1647                         ext_win->area[0].ysize =
1648                                 hdmi_ysize * win->area[0].xsize / screen->mode.xres;
1649                         xbom_pos =
1650                                 hdmi_xsize * win->area[0].ypos / screen->mode.yres;
1651                         ybom_pos = hdmi_ysize * win->area[0].xpos / screen->mode.xres;
1652                         xtop_pos = hdmi_xsize - ext_win->area[0].xsize - xbom_pos;
1653                         ytop_pos = hdmi_ysize - ext_win->area[0].ysize - ybom_pos;
1654                         ext_win->area[0].xpos =
1655                                 ((ext_screen->mode.xres - hdmi_xsize) >> 1) + xtop_pos;
1656                         ext_win->area[0].ypos =
1657                                 ((ext_screen->mode.yres - hdmi_ysize) >> 1) + ytop_pos;
1658                 } else if (rotate_mode == ROTATE_90) {
1659                         ext_win->area[0].xsize =
1660                                 hdmi_xsize * win->area[0].ysize / screen->mode.yres;
1661                         ext_win->area[0].ysize =
1662                                 hdmi_ysize * win->area[0].xsize / screen->mode.xres;
1663                         ext_win->area[0].xpos =
1664                                 ((ext_screen->mode.xres - hdmi_xsize) >> 1) +
1665                                 hdmi_xsize * win->area[0].ypos / screen->mode.yres;
1666                         ext_win->area[0].ypos =
1667                                 ((ext_screen->mode.yres - hdmi_ysize) >> 1) +
1668                                 hdmi_ysize * win->area[0].xpos / screen->mode.xres;
1669                 } else {
1670                         ext_win->area[0].xsize =
1671                                 hdmi_xsize * win->area[0].xsize / screen->mode.xres;
1672                         ext_win->area[0].ysize =
1673                                 hdmi_ysize * win->area[0].ysize / screen->mode.yres;
1674                         ext_win->area[0].xpos =
1675                                 ((ext_screen->mode.xres - hdmi_xsize) >> 1) +
1676                                 hdmi_xsize * win->area[0].xpos / screen->mode.xres;
1677                         ext_win->area[0].ypos =
1678                                 ((ext_screen->mode.yres - hdmi_ysize) >> 1) +
1679                                 hdmi_ysize * win->area[0].ypos / screen->mode.yres;
1680                 }
1681         } else {
1682                 ext_win->area[0].xsize = hdmi_xsize;
1683                 ext_win->area[0].ysize = hdmi_ysize;
1684                 ext_win->area[0].xpos =
1685                         (ext_screen->mode.xres - hdmi_xsize) >> 1;
1686                 ext_win->area[0].ypos =
1687                         (ext_screen->mode.yres - hdmi_ysize) >> 1;
1688         }
1689
1690         return 0;
1691 }
1692
1693 static void rk_fb_update_win(struct rk_lcdc_driver *dev_drv,
1694                                 struct rk_lcdc_win *win,
1695                                 struct rk_fb_reg_win_data *reg_win_data)
1696 {
1697         int i = 0;
1698         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
1699         struct rk_screen *cur_screen;
1700         struct rk_screen primary_screen;
1701
1702         if (unlikely(!inf) || unlikely(!dev_drv) ||
1703             unlikely(!win) || unlikely(!reg_win_data))
1704                 return;
1705
1706         cur_screen = dev_drv->cur_screen;
1707         rk_fb_get_prmry_screen(&primary_screen);
1708
1709         win->area_num = reg_win_data->area_num;
1710         win->format = reg_win_data->data_format;
1711         win->id = reg_win_data->win_id;
1712         win->z_order = reg_win_data->z_order;
1713
1714         if (reg_win_data->reg_area_data[0].smem_start > 0) {
1715                 win->state = 1;
1716                 win->area_num = reg_win_data->area_num;
1717                 win->format = reg_win_data->data_format;
1718                 win->id = reg_win_data->win_id;
1719                 win->z_order = reg_win_data->z_order;
1720                 win->area[0].uv_vir_stride =
1721                     reg_win_data->reg_area_data[0].uv_vir_stride;
1722                 win->area[0].cbr_start =
1723                     reg_win_data->reg_area_data[0].cbr_start;
1724                 win->area[0].c_offset = reg_win_data->reg_area_data[0].c_offset;
1725                 win->alpha_en = reg_win_data->alpha_en;
1726                 win->alpha_mode = reg_win_data->alpha_mode;
1727                 win->g_alpha_val = reg_win_data->g_alpha_val;
1728                 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
1729                         if (reg_win_data->reg_area_data[i].smem_start > 0) {
1730                                 win->area[i].ion_hdl =
1731                                         reg_win_data->reg_area_data[i].ion_handle;
1732                                 win->area[i].smem_start =
1733                                         reg_win_data->reg_area_data[i].smem_start;
1734                                 if (inf->disp_mode == DUAL) {
1735                                         win->area[i].xpos =
1736                                                 reg_win_data->reg_area_data[i].xpos;
1737                                         win->area[i].ypos =
1738                                                 reg_win_data->reg_area_data[i].ypos;
1739                                         win->area[i].xsize =
1740                                                 reg_win_data->reg_area_data[i].xsize;
1741                                         win->area[i].ysize =
1742                                                 reg_win_data->reg_area_data[i].ysize;
1743                                 } else {
1744                                         win->area[i].xpos =
1745                                                 reg_win_data->reg_area_data[i].xpos *
1746                                                 cur_screen->mode.xres /
1747                                                 primary_screen.mode.xres;
1748                                         win->area[i].ypos =
1749                                                 reg_win_data->reg_area_data[i].ypos *
1750                                                 cur_screen->mode.yres /
1751                                                 primary_screen.mode.yres;
1752                                         win->area[i].xsize =
1753                                                 reg_win_data->reg_area_data[i].xsize *
1754                                                 cur_screen->mode.xres /
1755                                                 primary_screen.mode.xres;
1756                                         win->area[i].ysize =
1757                                                 reg_win_data->reg_area_data[i].ysize *
1758                                                 cur_screen->mode.yres /
1759                                                 primary_screen.mode.yres;
1760                                 }
1761                                 win->area[i].xact =
1762                                     reg_win_data->reg_area_data[i].xact;
1763                                 win->area[i].yact =
1764                                     reg_win_data->reg_area_data[i].yact;
1765                                 win->area[i].xvir =
1766                                     reg_win_data->reg_area_data[i].xvir;
1767                                 win->area[i].yvir =
1768                                     reg_win_data->reg_area_data[i].yvir;
1769                                 win->area[i].y_offset =
1770                                     reg_win_data->reg_area_data[i].y_offset;
1771                                 win->area[i].y_vir_stride =
1772                                     reg_win_data->reg_area_data[i].y_vir_stride;
1773                                 win->area[i].state = 1;
1774                         } else {
1775                                 win->area[i].state = 0;
1776                         }
1777                 }
1778         } else {
1779         /*
1780                 win->state = 0;
1781                 win->z_order = -1;
1782         */
1783         }
1784 }
1785
1786 static struct rk_fb_reg_win_data *rk_fb_get_win_data(struct rk_fb_reg_data
1787                                                      *regs, int win_id)
1788 {
1789         int i;
1790         struct rk_fb_reg_win_data *win_data = NULL;
1791         for (i = 0; i < regs->win_num; i++) {
1792                 if (regs->reg_win_data[i].win_id == win_id) {
1793                         win_data = &(regs->reg_win_data[i]);
1794                         break;
1795                 }
1796         }
1797
1798         return win_data;
1799 }
1800
1801 static void rk_fb_update_reg(struct rk_lcdc_driver *dev_drv,
1802                              struct rk_fb_reg_data *regs)
1803 {
1804         int i, j;
1805         struct rk_lcdc_win *win;
1806         ktime_t timestamp = dev_drv->vsync_info.timestamp;
1807         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1808         struct rk_lcdc_driver *ext_dev_drv;
1809         struct rk_lcdc_win *ext_win;
1810         struct rk_fb_reg_win_data *win_data;
1811         bool wait_for_vsync;
1812         int count = 100;
1813         unsigned int dsp_addr[4];
1814         long timeout;
1815
1816         /* acq_fence wait */
1817         for (i = 0; i < regs->win_num; i++) {
1818                 win_data = &regs->reg_win_data[i];
1819                 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1820                         if (win_data->reg_area_data[j].acq_fence) {
1821                                 /* printk("acq_fence wait!!!!!\n"); */
1822                                 rk_fd_fence_wait(dev_drv, win_data->reg_area_data[j].acq_fence);
1823                         }
1824                 }
1825         }
1826
1827         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1828                 win = dev_drv->win[i];
1829                 win_data = rk_fb_get_win_data(regs, i);
1830                 if (win_data) {
1831                         rk_fb_update_win(dev_drv, win, win_data);
1832                         win->state = 1;
1833                         dev_drv->ops->set_par(dev_drv, i);
1834                         dev_drv->ops->pan_display(dev_drv, i);
1835 #if defined(CONFIG_ROCKCHIP_IOMMU)
1836                         if (dev_drv->iommu_enabled) {
1837                                 g_last_addr[i] = win_data->reg_area_data[0].smem_start +
1838                                         win_data->reg_area_data[0].y_offset;
1839                         }
1840 #endif
1841                 } else {
1842                         win->z_order = -1;
1843                         win->state = 0;
1844                 }
1845         }
1846         dev_drv->ops->ovl_mgr(dev_drv, 0, 1);
1847
1848         if ((rk_fb->disp_mode == DUAL)
1849             && (hdmi_get_hotplug() == HDMI_HPD_ACTIVED)
1850             && hdmi_switch_complete) {
1851                 ext_dev_drv = rk_get_extend_lcdc_drv();
1852                 if (!ext_dev_drv) {
1853                         printk(KERN_ERR "hdmi lcdc driver not found!\n");
1854                         goto ext_win_exit;
1855                 }
1856
1857                 /*
1858                   * For RK3288: win0 and win1 have only one area and support scale
1859                   * but win2 and win3 don't support scale
1860                   * so hdmi only use win0 or win1
1861                   */
1862                 for (i = 0; i < 2; i++) {
1863                         win = dev_drv->win[i];
1864                         ext_win = ext_dev_drv->win[i];
1865                         ext_win->state = win->state;
1866                         ext_win->id = win->id;
1867                         if (!ext_win->state)
1868                                 continue;
1869                         rk_fb_update_ext_win(ext_dev_drv, dev_drv, ext_win, win);
1870                         rk_fb_set_ext_win_buffer(ext_win, win,
1871                                                  ext_dev_drv->rotate_mode,
1872                                                  ext_dev_drv->iommu_enabled);
1873
1874                         if (ext_dev_drv->rotate_mode > X_Y_MIRROR)
1875                                 rk_fb_win_rotate(ext_win, win,
1876                                                  ext_dev_drv->rotate_mode,
1877                                                  ext_dev_drv->iommu_enabled);
1878
1879                         ext_dev_drv->ops->set_par(ext_dev_drv, i);
1880                         ext_dev_drv->ops->pan_display(ext_dev_drv, i);
1881                 }
1882
1883                 ext_dev_drv->ops->cfg_done(ext_dev_drv);
1884         }
1885 ext_win_exit:
1886         dev_drv->ops->cfg_done(dev_drv);
1887
1888         do {
1889                 timestamp = dev_drv->vsync_info.timestamp;
1890                 timeout = wait_event_interruptible_timeout(dev_drv->vsync_info.wait,
1891                                 ktime_compare(dev_drv->vsync_info.timestamp, timestamp) > 0,
1892                                 msecs_to_jiffies(25));
1893                 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1894                 wait_for_vsync = false;
1895                 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1896                         if (dev_drv->win[i]->state == 1) {
1897                                 u32 new_start =
1898                                     dev_drv->win[i]->area[0].smem_start +
1899                                     dev_drv->win[i]->area[0].y_offset;
1900                                 u32 reg_start = dsp_addr[i];
1901
1902                                 if (unlikely(new_start != reg_start)) {
1903                                         wait_for_vsync = true;
1904                                         dev_info(dev_drv->dev,
1905                                                "win%d:new_addr:0x%08x cur_addr:0x%08x--%d\n",
1906                                                i, new_start, reg_start, 101 - count);
1907                                         break;
1908                                 }
1909                         }
1910                 }
1911         } while (wait_for_vsync && count--);
1912 #ifdef H_USE_FENCE
1913         sw_sync_timeline_inc(dev_drv->timeline, 1);
1914 #endif
1915         if (!g_first_buf) {
1916 #if defined(CONFIG_ROCKCHIP_IOMMU)
1917                 if (dev_drv->iommu_enabled) {
1918                         freed_index = 0;
1919                         g_last_timeout = timeout;
1920                 }
1921 #endif
1922                 for (i = 0; i < g_last_win_num; i++)
1923                         rk_fb_free_dma_buf(dev_drv, &g_reg_win_data[i]);
1924
1925 #if defined(CONFIG_ROCKCHIP_IOMMU)
1926                 if (dev_drv->iommu_enabled)
1927                         freed_addr[freed_index] = 0xfefefefe;
1928 #endif
1929         }
1930         for (i = 0; i < regs->win_num; i++) {
1931                 memcpy(&g_reg_win_data[i], &(regs->reg_win_data[i]),
1932                        sizeof(struct rk_fb_reg_win_data));
1933         }
1934         g_last_win_num = regs->win_num;
1935         g_first_buf = 0;
1936 }
1937
1938 static void rk_fb_update_regs_handler(struct kthread_work *work)
1939 {
1940         struct rk_lcdc_driver *dev_drv =
1941             container_of(work, struct rk_lcdc_driver, update_regs_work);
1942         struct rk_fb_reg_data *data, *next;
1943         /* struct list_head saved_list; */
1944
1945         mutex_lock(&dev_drv->update_regs_list_lock);
1946         saved_list = dev_drv->update_regs_list;
1947         list_replace_init(&dev_drv->update_regs_list, &saved_list);
1948         mutex_unlock(&dev_drv->update_regs_list_lock);
1949
1950         list_for_each_entry_safe(data, next, &saved_list, list) {
1951                 rk_fb_update_reg(dev_drv, data);
1952                 list_del(&data->list);
1953                 kfree(data);
1954         }
1955
1956         if (dev_drv->wait_fs && list_empty(&dev_drv->update_regs_list))
1957                 wake_up(&dev_drv->update_regs_wait);
1958 }
1959
1960 static int rk_fb_check_config_var(struct rk_fb_area_par *area_par,
1961                                   struct rk_screen *screen)
1962 {
1963         if ((area_par->x_offset + area_par->xact > area_par->xvir) ||
1964             (area_par->xact <= 0) || (area_par->yact <= 0) ||
1965             (area_par->xvir <= 0) || (area_par->yvir <= 0)) {
1966                 pr_err("check config var fail 0:\n"
1967                        "x_offset=%d,xact=%d,xvir=%d\n",
1968                        area_par->x_offset, area_par->xact, area_par->xvir);
1969                 return -EINVAL;
1970         }
1971
1972         if ((area_par->xpos + area_par->xsize > screen->mode.xres) ||
1973             (area_par->ypos + area_par->ysize > screen->mode.yres) ||
1974             (area_par->xsize <= 0) || (area_par->ysize <= 0)) {
1975                 pr_err("check config var fail 1:\n"
1976                        "xpos=%d,xsize=%d,xres=%d\n"
1977                        "ypos=%d,ysize=%d,yres=%d\n",
1978                        area_par->xpos, area_par->xsize, screen->mode.xres,
1979                        area_par->ypos, area_par->ysize, screen->mode.yres);
1980                 return -EINVAL;
1981         }
1982         return 0;
1983 }
1984
1985 static int rk_fb_set_win_buffer(struct fb_info *info,
1986                                 struct rk_fb_win_par *win_par,
1987                                 struct rk_fb_reg_win_data *reg_win_data)
1988 {
1989         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
1990         struct fb_fix_screeninfo *fix = &info->fix;
1991         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
1992         struct rk_screen *screen = dev_drv->cur_screen;
1993         struct rk_screen primary_screen;
1994         struct fb_info *fbi = rk_fb->fb[0];
1995         int i, ion_fd, acq_fence_fd;
1996         u32 xvir, yvir;
1997         u32 xoffset, yoffset;
1998
1999         struct ion_handle *hdl;
2000         size_t len;
2001         int index_buf;
2002         u8 fb_data_fmt;
2003         u8 pixel_width;
2004         u32 vir_width_bit;
2005         u32 stride, uv_stride;
2006         u32 stride_32bit_1;
2007         u32 stride_32bit_2;
2008         u16 uv_x_off, uv_y_off, uv_y_act;
2009         u8 is_pic_yuv = 0;
2010         u8 ppixel_a = 0, global_a = 0;
2011         ion_phys_addr_t phy_addr;
2012         int ret = 0;
2013
2014         reg_win_data->reg_area_data[0].smem_start = -1;
2015         reg_win_data->area_num = 0;
2016         fbi = rk_fb->fb[reg_win_data->win_id];
2017         if (win_par->area_par[0].phy_addr == 0) {
2018                 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
2019                         ion_fd = win_par->area_par[i].ion_fd;
2020                         if (ion_fd > 0) {
2021                                 hdl =
2022                                     ion_import_dma_buf(rk_fb->ion_client,
2023                                                        ion_fd);
2024                                 if (IS_ERR(hdl)) {
2025                                         pr_info
2026                                             ("%s: Could not import handle: %d\n",
2027                                              __func__, (int)hdl);
2028                                         /*return -EINVAL; */
2029                                         break;
2030                                 }
2031                                 fbi->screen_base =
2032                                     ion_map_kernel(rk_fb->ion_client, hdl);
2033                                 reg_win_data->area_num++;
2034                                 reg_win_data->reg_area_data[i].ion_handle = hdl;
2035 #ifndef CONFIG_ROCKCHIP_IOMMU
2036                                 ret = ion_phys(rk_fb->ion_client, hdl, &phy_addr,
2037                                                 &len);
2038 #else
2039                                 if (dev_drv->iommu_enabled)
2040                                         ret = ion_map_iommu(dev_drv->dev,
2041                                                                 rk_fb->ion_client,
2042                                                                 hdl,
2043                                                                 (unsigned long *)&phy_addr,
2044                                                                 (unsigned long *)&len);
2045                                 else
2046                                         ret = ion_phys(rk_fb->ion_client, hdl,
2047                                                         &phy_addr, &len);
2048 #endif
2049                                 if (ret < 0) {
2050                                         dev_err(fbi->dev, "ion map to get phy addr failed\n");
2051                                         ion_free(rk_fb->ion_client, hdl);
2052                                         return -ENOMEM;
2053                                 }
2054                                 reg_win_data->reg_area_data[i].smem_start = phy_addr;
2055                                 reg_win_data->area_buf_num++;
2056                                 reg_win_data->reg_area_data[i].index_buf = 1;
2057                         }
2058                 }
2059         } else {
2060                 reg_win_data->reg_area_data[0].smem_start =
2061                     win_par->area_par[0].phy_addr;
2062                 reg_win_data->area_num = 1;
2063                 fbi->screen_base = phys_to_virt(win_par->area_par[0].phy_addr);
2064         }
2065
2066         if (reg_win_data->area_num == 0)
2067                 return 0;
2068
2069         for (i = 0; i < reg_win_data->area_num; i++) {
2070                 acq_fence_fd = win_par->area_par[i].acq_fence_fd;
2071                 index_buf = reg_win_data->reg_area_data[i].index_buf;
2072                 if ((acq_fence_fd > 0) && (index_buf == 1)) {
2073                         reg_win_data->reg_area_data[i].acq_fence =
2074                             sync_fence_fdget(win_par->area_par[i].acq_fence_fd);
2075                 }
2076         }
2077         fb_data_fmt = rk_fb_data_fmt(win_par->data_format, 0);
2078         reg_win_data->data_format = fb_data_fmt;
2079         pixel_width = rk_fb_pixel_width(fb_data_fmt);
2080
2081         ppixel_a = ((fb_data_fmt == ARGB888) ||
2082                     (fb_data_fmt == ABGR888)) ? 1 : 0;
2083         global_a = (win_par->g_alpha_val == 0) ? 0 : 1;
2084         reg_win_data->alpha_en = ppixel_a | global_a;
2085         reg_win_data->g_alpha_val = win_par->g_alpha_val;
2086         reg_win_data->alpha_mode = win_par->alpha_mode;
2087         if (reg_win_data->reg_area_data[0].smem_start > 0) {
2088                 reg_win_data->z_order = win_par->z_order;
2089                 reg_win_data->win_id = win_par->win_id;
2090         } else {
2091                 reg_win_data->z_order = -1;
2092                 reg_win_data->win_id = -1;
2093         }
2094
2095         rk_fb_get_prmry_screen(&primary_screen);
2096         for (i = 0; i < reg_win_data->area_num; i++) {
2097                 rk_fb_check_config_var(&win_par->area_par[i], &primary_screen);
2098                 /* visiable pos in panel */
2099                 reg_win_data->reg_area_data[i].xpos = win_par->area_par[i].xpos;
2100                 reg_win_data->reg_area_data[i].ypos = win_par->area_par[i].ypos;
2101
2102                 /* realy size in panel */
2103                 reg_win_data->reg_area_data[i].xsize = win_par->area_par[i].xsize;
2104                 reg_win_data->reg_area_data[i].ysize = win_par->area_par[i].ysize;
2105
2106                 /* realy size in panel */
2107                 reg_win_data->reg_area_data[i].xact = win_par->area_par[i].xact;
2108                 reg_win_data->reg_area_data[i].yact = win_par->area_par[i].yact;
2109
2110                 xoffset = win_par->area_par[i].x_offset;        /* buf offset */
2111                 yoffset = win_par->area_par[i].y_offset;
2112                 xvir = win_par->area_par[i].xvir;
2113                 reg_win_data->reg_area_data[i].xvir = xvir;
2114                 yvir = win_par->area_par[i].yvir;
2115                 reg_win_data->reg_area_data[i].yvir = yvir;
2116
2117                 vir_width_bit = pixel_width * xvir;
2118                 /* pixel_width = byte_num*8 */
2119                 stride_32bit_1 = ((vir_width_bit + 31) & (~31)) / 8;
2120                 stride_32bit_2 = ((vir_width_bit * 2 + 31) & (~31)) / 8;
2121
2122                 stride = stride_32bit_1;        /* default rgb */
2123                 fix->line_length = stride;
2124                 reg_win_data->reg_area_data[i].y_vir_stride = stride >> 2;
2125
2126                 /* x y mirror ,jump line
2127                  * reg_win_data->reg_area_data[i].y_offset =
2128                  *              yoffset*stride+xoffset*pixel_width/8;
2129                  */
2130                 if (screen->y_mirror == 1) {
2131                         if (screen->interlace == 1) {
2132                                 reg_win_data->reg_area_data[i].y_offset =
2133                                     yoffset * stride * 2 +
2134                                     ((reg_win_data->reg_area_data[i].yact - 1) * 2 + 1) * stride +
2135                                     xoffset * pixel_width / 8;
2136                         } else {
2137                                 reg_win_data->reg_area_data[i].y_offset =
2138                                     yoffset * stride +
2139                                     (reg_win_data->reg_area_data[i].yact - 1) * stride +
2140                                     xoffset * pixel_width / 8;
2141                         }
2142                 } else {
2143                         if (screen->interlace == 1) {
2144                                 reg_win_data->reg_area_data[i].y_offset =
2145                                     yoffset * stride * 2 +
2146                                     xoffset * pixel_width / 8;
2147                         } else {
2148                                 reg_win_data->reg_area_data[i].y_offset =
2149                                     yoffset * stride +
2150                                     xoffset * pixel_width / 8;
2151                         }
2152                 }
2153         }
2154         switch (fb_data_fmt) {
2155         case YUV422:
2156         case YUV422_A:
2157                 is_pic_yuv = 1;
2158                 stride = stride_32bit_1;
2159                 uv_stride = stride_32bit_1 >> 1;
2160                 uv_x_off = xoffset >> 1;
2161                 uv_y_off = yoffset;
2162                 fix->line_length = stride;
2163                 uv_y_act = win_par->area_par[0].yact >> 1;
2164                 break;
2165         case YUV420:            /* 420sp */
2166         case YUV420_A:
2167                 is_pic_yuv = 1;
2168                 stride = stride_32bit_1;
2169                 uv_stride = stride_32bit_1;
2170                 uv_x_off = xoffset;
2171                 uv_y_off = yoffset >> 1;
2172                 fix->line_length = stride;
2173                 uv_y_act = win_par->area_par[0].yact >> 1;
2174                 break;
2175         case YUV444:
2176         case YUV444_A:
2177                 is_pic_yuv = 1;
2178                 stride = stride_32bit_1;
2179                 uv_stride = stride_32bit_2;
2180                 uv_x_off = xoffset * 2;
2181                 uv_y_off = yoffset;
2182                 fix->line_length = stride << 2;
2183                 uv_y_act = win_par->area_par[0].yact;
2184                 break;
2185         default:
2186                 break;
2187         }
2188         if (is_pic_yuv == 1) {
2189                 reg_win_data->reg_area_data[0].cbr_start =
2190                     reg_win_data->reg_area_data[0].smem_start + xvir * yvir;
2191                 reg_win_data->reg_area_data[0].uv_vir_stride = uv_stride >> 2;
2192                 if (screen->y_mirror == 1) {
2193                         if (screen->interlace == 1) {
2194                                 reg_win_data->reg_area_data[0].c_offset =
2195                                     uv_y_off * uv_stride * 2 +
2196                                     ((uv_y_act - 1) * 2 + 1) * uv_stride +
2197                                     uv_x_off * pixel_width / 8;
2198                         } else {
2199                                 reg_win_data->reg_area_data[0].c_offset =
2200                                     uv_y_off * uv_stride +
2201                                     (uv_y_act - 1) * uv_stride +
2202                                     uv_x_off * pixel_width / 8;
2203                         }
2204                 } else {
2205                         if (screen->interlace == 1) {
2206                                 reg_win_data->reg_area_data[0].c_offset =
2207                                     uv_y_off * uv_stride * 2 +
2208                                     uv_x_off * pixel_width / 8;
2209                         } else {
2210                                 reg_win_data->reg_area_data[0].c_offset =
2211                                     uv_y_off * uv_stride +
2212                                     uv_x_off * pixel_width / 8;
2213                         }
2214                 }
2215         }
2216         return 0;
2217 }
2218
2219 static int rk_fb_set_win_config(struct fb_info *info,
2220                                 struct rk_fb_win_cfg_data *win_data)
2221 {
2222         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
2223         struct rk_fb_reg_data *regs;
2224 #ifdef H_USE_FENCE
2225         struct sync_fence *release_fence[RK_MAX_BUF_NUM];
2226         struct sync_fence *retire_fence;
2227         struct sync_pt *release_sync_pt[RK_MAX_BUF_NUM];
2228         struct sync_pt *retire_sync_pt;
2229         char fence_name[20];
2230 #endif
2231         int ret = 0, i, j = 0;
2232         int list_is_empty = 0;
2233
2234         regs = kzalloc(sizeof(struct rk_fb_reg_data), GFP_KERNEL);
2235         if (!regs) {
2236                 printk(KERN_INFO "could not allocate rk_fb_reg_data\n");
2237                 ret = -ENOMEM;
2238                 return ret;
2239         }
2240
2241 /*
2242         regs->post_cfg.xpos = win_data->post_cfg.xpos;
2243         regs->post_cfg.ypos = win_data->post_cfg.ypos;
2244         regs->post_cfg.xsize = win_data->post_cfg.xsize;
2245         regs->post_cfg.ysize = win_data->post_cfg.xsize;
2246 */
2247
2248         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
2249                 if (win_data->win_par[i].win_id < dev_drv->lcdc_win_num) {
2250                         if (rk_fb_set_win_buffer(info, &win_data->win_par[i],
2251                                                         &regs->reg_win_data[j]))
2252                                 return -ENOMEM;
2253                         if (regs->reg_win_data[j].area_num > 0) {
2254                                 regs->win_num++;
2255                                 regs->buf_num +=
2256                                     regs->reg_win_data[j].area_buf_num;
2257                         }
2258                         j++;
2259                 } else {
2260                         printk(KERN_INFO "error:win_id bigger than lcdc_win_num\n");
2261                         printk(KERN_INFO "i=%d,win_id=%d\n", i,
2262                                win_data->win_par[i].win_id);
2263                 }
2264         }
2265
2266         mutex_lock(&dev_drv->output_lock);
2267         if (!(dev_drv->suspend_flag == 0)) {
2268                 rk_fb_update_reg(dev_drv, regs);
2269                 kfree(regs);
2270                 printk(KERN_INFO "suspend_flag = 1\n");
2271                 goto err;
2272         }
2273
2274         dev_drv->timeline_max++;
2275 #ifdef H_USE_FENCE
2276         for (i = 0; i < RK_MAX_BUF_NUM; i++) {
2277                 if (i < regs->buf_num) {
2278                         sprintf(fence_name, "fence%d", i);
2279                         win_data->rel_fence_fd[i] = get_unused_fd();
2280                         if (win_data->rel_fence_fd[i] < 0) {
2281                                 printk(KERN_INFO "rel_fence_fd=%d\n",
2282                                        win_data->rel_fence_fd[i]);
2283                                 ret = -EFAULT;
2284                                 goto err;
2285                         }
2286                         release_sync_pt[i] =
2287                             sw_sync_pt_create(dev_drv->timeline,
2288                                               dev_drv->timeline_max);
2289                         release_fence[i] =
2290                             sync_fence_create(fence_name, release_sync_pt[i]);
2291                         sync_fence_install(release_fence[i],
2292                                            win_data->rel_fence_fd[i]);
2293                 } else {
2294                         win_data->rel_fence_fd[i] = -1;
2295                 }
2296         }
2297
2298         win_data->ret_fence_fd = get_unused_fd();
2299         if (win_data->ret_fence_fd < 0) {
2300                 printk("ret_fence_fd=%d\n", win_data->ret_fence_fd);
2301                 ret = -EFAULT;
2302                 goto err;
2303         }
2304         retire_sync_pt =
2305             sw_sync_pt_create(dev_drv->timeline, dev_drv->timeline_max);
2306         retire_fence = sync_fence_create("ret_fence", retire_sync_pt);
2307         sync_fence_install(retire_fence, win_data->ret_fence_fd);
2308 #else
2309         for (i = 0; i < RK_MAX_BUF_NUM; i++)
2310                 win_data->rel_fence_fd[i] = -1;
2311
2312         win_data->ret_fence_fd = -1;
2313 #endif
2314         if (dev_drv->wait_fs == 0) {
2315                 mutex_lock(&dev_drv->update_regs_list_lock);
2316                 list_add_tail(&regs->list, &dev_drv->update_regs_list);
2317                 mutex_unlock(&dev_drv->update_regs_list_lock);
2318                 queue_kthread_work(&dev_drv->update_regs_worker,
2319                                    &dev_drv->update_regs_work);
2320         } else {
2321                 mutex_lock(&dev_drv->update_regs_list_lock);
2322                 list_is_empty = list_empty(&dev_drv->update_regs_list) &&
2323                                         list_empty(&saved_list);
2324                 mutex_unlock(&dev_drv->update_regs_list_lock);
2325                 if (!list_is_empty) {
2326                         ret = wait_event_timeout(dev_drv->update_regs_wait,
2327                                 list_empty(&dev_drv->update_regs_list) && list_empty(&saved_list),
2328                                 msecs_to_jiffies(60));
2329                         if (ret > 0)
2330                                 rk_fb_update_reg(dev_drv, regs);
2331                         else
2332                                 printk("%s: wait update_regs_wait timeout\n", __func__);
2333                 } else if (ret == 0) {
2334                         rk_fb_update_reg(dev_drv, regs);
2335                 }
2336                 kfree(regs);
2337         }
2338
2339 err:
2340         mutex_unlock(&dev_drv->output_lock);
2341         return ret;
2342 }
2343
2344 #if 1
2345 static int cfgdone_distlist[10] = { 0 };
2346
2347 static int cfgdone_index;
2348 static int cfgdone_lasttime;
2349
2350 int rk_get_real_fps(int before)
2351 {
2352         struct timespec now;
2353         int dist_curr;
2354         int dist_total = 0;
2355         int dist_count = 0;
2356         int dist_first = 0;
2357
2358         int index = cfgdone_index;
2359         int i = 0, fps = 0;
2360         int total;
2361
2362         if (before > 100)
2363                 before = 100;
2364         if (before < 0)
2365                 before = 0;
2366
2367         getnstimeofday(&now);
2368         dist_curr = (now.tv_sec * 1000000 + now.tv_nsec / 1000) -
2369                         cfgdone_lasttime;
2370         total = dist_curr;
2371         /*
2372            printk("fps: ");
2373          */
2374         for (i = 0; i < 10; i++) {
2375                 if (--index < 0)
2376                         index = 9;
2377                 total += cfgdone_distlist[index];
2378                 if (i == 0)
2379                         dist_first = cfgdone_distlist[index];
2380                 if (total < (before * 1000)) {
2381                         /*
2382                            printk("[%d:%d] ", dist_count, cfgdone_distlist[index]);
2383                          */
2384                         dist_total += cfgdone_distlist[index];
2385                         dist_count++;
2386                 } else {
2387                         break;
2388                 }
2389         }
2390
2391         /*
2392            printk("total %d, count %d, curr %d, ", dist_total, dist_count, dist_curr);
2393          */
2394         dist_curr = (dist_curr > dist_first) ? dist_curr : dist_first;
2395         dist_total += dist_curr;
2396         dist_count++;
2397
2398         if (dist_total > 0)
2399                 fps = (1000000 * dist_count) / dist_total;
2400         else
2401                 fps = 60;
2402
2403         /*
2404            printk("curr2 %d, fps=%d\n", dist_curr, fps);
2405          */
2406         return fps;
2407 }
2408 EXPORT_SYMBOL(rk_get_real_fps);
2409
2410 #endif
2411 #ifdef CONFIG_ROCKCHIP_IOMMU
2412 #define ION_MAX 10
2413 static struct ion_handle *ion_hanle[ION_MAX];
2414 static struct ion_handle *ion_hwc[1];
2415 #endif
2416 static int rk_fb_ioctl(struct fb_info *info, unsigned int cmd,
2417                        unsigned long arg)
2418 {
2419         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2420         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
2421         struct fb_fix_screeninfo *fix = &info->fix;
2422         int fb_id = 0, extend_win_id = 0;
2423         struct fb_info *extend_info = NULL;
2424         struct rk_lcdc_driver *extend_dev_drv = NULL;
2425         struct rk_lcdc_win *extend_win = NULL;
2426         struct rk_lcdc_win *win;
2427         int enable;     /* enable fb:1 enable;0 disable */
2428         int ovl;        /* overlay:0 win1 on the top of win0;1,win0 on the top of win1 */
2429         int num_buf;    /* buffer_number */
2430         int ret;
2431         struct rk_fb_win_cfg_data win_data;
2432         unsigned int dsp_addr[4];
2433         int list_stat;
2434
2435         int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2436
2437         void __user *argp = (void __user *)arg;
2438         win = dev_drv->win[win_id];
2439         if (rk_fb->disp_mode == DUAL) {
2440                 fb_id = get_extend_fb_id(info);
2441                 extend_info = rk_fb->fb[(rk_fb->num_fb >> 1) + fb_id];
2442                 extend_dev_drv = (struct rk_lcdc_driver *)extend_info->par;
2443                 extend_win_id = dev_drv->ops->fb_get_win_id(extend_dev_drv,
2444                                                             extend_info->fix.id);
2445                 extend_win = extend_dev_drv->win[extend_win_id];
2446         }
2447
2448         switch (cmd) {
2449         case RK_FBIOSET_HWC_ADDR:
2450         {
2451                 u32 hwc_phy[1];
2452                 if (copy_from_user(hwc_phy, argp, 4))
2453                         return -EFAULT;
2454 #ifdef CONFIG_ROCKCHIP_IOMMU
2455                 if (!dev_drv->iommu_enabled) {
2456 #endif
2457                         fix->smem_start = hwc_phy[0];
2458 #ifdef CONFIG_ROCKCHIP_IOMMU
2459                 } else {
2460                         int usr_fd;
2461                         struct ion_handle *hdl;
2462                         ion_phys_addr_t phy_addr;
2463                         size_t len;
2464
2465                         usr_fd = hwc_phy[0];
2466                         if (!usr_fd) {
2467                                 fix->smem_start = 0;
2468                                 fix->mmio_start = 0;
2469                                 break;
2470                         }
2471
2472                         if (ion_hwc[0] != 0) {
2473                                 ion_free(rk_fb->ion_client, ion_hwc[0]);
2474                                 ion_hwc[0] = 0;
2475                         }
2476
2477                         hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2478                         if (IS_ERR(hdl)) {
2479                                 dev_err(info->dev, "failed to get hwc ion handle:%ld\n",
2480                                         PTR_ERR(hdl));
2481                                 return -EFAULT;
2482                         }
2483
2484                         ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2485                                                 (unsigned long *)&phy_addr,
2486                                                 (unsigned long *)&len);
2487                         if (ret < 0) {
2488                                 dev_err(info->dev, "ion map to get hwc phy addr failed");
2489                                 ion_free(rk_fb->ion_client, hdl);
2490                                 return -ENOMEM;
2491                         }
2492                         fix->smem_start = phy_addr;
2493                         ion_hwc[0] = hdl;
2494                 }
2495 #endif
2496                 break;
2497         }
2498         case RK_FBIOSET_YUV_ADDR:
2499                 {
2500                         u32 yuv_phy[2];
2501
2502                         if (copy_from_user(yuv_phy, argp, 8))
2503                                 return -EFAULT;
2504                         #ifdef CONFIG_ROCKCHIP_IOMMU
2505                         if (!dev_drv->iommu_enabled || !strcmp(info->fix.id, "fb0")) {
2506                         #endif
2507                                 fix->smem_start = yuv_phy[0];
2508                                 fix->mmio_start = yuv_phy[1];
2509                         #ifdef CONFIG_ROCKCHIP_IOMMU
2510                         } else {
2511                                 int usr_fd, offset, tmp;
2512                                 struct ion_handle *hdl;
2513                                 ion_phys_addr_t phy_addr;
2514                                 size_t len;
2515
2516                                 usr_fd = yuv_phy[0];
2517                                 offset = yuv_phy[1] - yuv_phy[0];
2518
2519                                 if (!usr_fd) {
2520                                         fix->smem_start = 0;
2521                                         fix->mmio_start = 0;
2522                                         break;
2523                                 }
2524
2525                                 if (ion_hanle[ION_MAX - 1] != 0) {
2526                                         /*ion_unmap_kernel(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);*/
2527                                         /*ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client, ion_hanle[ION_MAX - 1]);*/
2528                                         ion_free(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);
2529                                         ion_hanle[ION_MAX - 1] = 0;
2530                                 }
2531
2532                                 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2533                                 if (IS_ERR(hdl)) {
2534                                         dev_err(info->dev, "failed to get ion handle:%ld\n",
2535                                                 PTR_ERR(hdl));
2536                                         return -EFAULT;
2537                                 }
2538
2539                                 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2540                                                         (unsigned long *)&phy_addr,
2541                                                         (unsigned long *)&len);
2542                                 if (ret < 0) {
2543                                         dev_err(info->dev, "ion map to get phy addr failed");
2544                                         ion_free(rk_fb->ion_client, hdl);
2545                                         return -ENOMEM;
2546                                 }
2547                                 fix->smem_start = phy_addr;
2548                                 fix->mmio_start = phy_addr + offset;
2549                                 fix->smem_len = len;
2550                                 /*info->screen_base = ion_map_kernel(rk_fb->ion_client, hdl);*/
2551
2552                                 ion_hanle[0] = hdl;
2553                                 for (tmp = ION_MAX - 1; tmp > 0; tmp--)
2554                                         ion_hanle[tmp] = ion_hanle[tmp - 1];
2555                                 ion_hanle[0] = 0;
2556                         }
2557                         #endif
2558                         break;
2559                 }
2560         case RK_FBIOSET_ENABLE:
2561                 if (copy_from_user(&enable, argp, sizeof(enable)))
2562                         return -EFAULT;
2563                 dev_drv->ops->open(dev_drv, win_id, enable);
2564                 break;
2565         case RK_FBIOGET_ENABLE:
2566                 enable = dev_drv->ops->get_win_state(dev_drv, win_id);
2567                 if (copy_to_user(argp, &enable, sizeof(enable)))
2568                         return -EFAULT;
2569                 break;
2570         case RK_FBIOSET_OVERLAY_STA:
2571                 if (copy_from_user(&ovl, argp, sizeof(ovl)))
2572                         return -EFAULT;
2573                 dev_drv->ops->ovl_mgr(dev_drv, ovl, 1);
2574                 break;
2575         case RK_FBIOGET_OVERLAY_STA:
2576                 ovl = dev_drv->ops->ovl_mgr(dev_drv, 0, 0);
2577                 if (copy_to_user(argp, &ovl, sizeof(ovl)))
2578                         return -EFAULT;
2579                 break;
2580         case RK_FBIOPUT_NUM_BUFFERS:
2581                 if (copy_from_user(&num_buf, argp, sizeof(num_buf)))
2582                         return -EFAULT;
2583                 dev_drv->num_buf = num_buf;
2584                 break;
2585         case RK_FBIOSET_VSYNC_ENABLE:
2586                 if (copy_from_user(&enable, argp, sizeof(enable)))
2587                         return -EFAULT;
2588                 dev_drv->vsync_info.active = enable;
2589                 break;
2590
2591         case RK_FBIOGET_DSP_ADDR:
2592                 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
2593                 if (copy_to_user(argp, &dsp_addr, sizeof(dsp_addr)))
2594                         return -EFAULT;
2595                 break;
2596         case RK_FBIOGET_LIST_STA:
2597                 list_stat = rk_fb_get_list_stat(dev_drv);
2598                 if (copy_to_user(argp, &list_stat, sizeof(list_stat)))
2599                         return -EFAULT;
2600
2601                 break;
2602         case RK_FBIOGET_IOMMU_STA:
2603                 if (copy_to_user(argp, &dev_drv->iommu_enabled,
2604                                  sizeof(dev_drv->iommu_enabled)))
2605                         return -EFAULT;
2606                 break;
2607 #if defined(CONFIG_ION_ROCKCHIP)
2608         case RK_FBIOSET_DMABUF_FD:
2609                 {
2610                         int usr_fd;
2611                         struct ion_handle *hdl;
2612                         ion_phys_addr_t phy_addr;
2613                         size_t len;
2614                         if (copy_from_user(&usr_fd, argp, sizeof(usr_fd)))
2615                                 return -EFAULT;
2616                         hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2617                         ion_phys(rk_fb->ion_client, hdl, &phy_addr, &len);
2618                         fix->smem_start = phy_addr;
2619                         break;
2620                 }
2621         case RK_FBIOGET_DMABUF_FD:
2622                 {
2623                         int fd =
2624                             ion_share_dma_buf_fd(rk_fb->ion_client,
2625                                                  win->area[0].ion_hdl);
2626                         if (fd < 0) {
2627                                 dev_err(info->dev,
2628                                         "ion_share_dma_buf_fd failed\n");
2629                                 return fd;
2630                         }
2631                         if (copy_to_user(argp, &fd, sizeof(fd)))
2632                                 return -EFAULT;
2633                         break;
2634                 }
2635 #endif
2636         case RK_FBIOSET_CLEAR_FB:
2637                 memset(info->screen_base, 0, info->fix.smem_len);
2638                 break;
2639         case RK_FBIOSET_CONFIG_DONE:
2640                 {
2641                         int curr = 0;
2642                         struct timespec now;
2643
2644                         getnstimeofday(&now);
2645                         curr = now.tv_sec * 1000000 + now.tv_nsec / 1000;
2646                         cfgdone_distlist[cfgdone_index++] =
2647                             curr - cfgdone_lasttime;
2648                         /*
2649                            printk("%d ", curr - cfgdone_lasttime);
2650                          */
2651                         cfgdone_lasttime = curr;
2652                         if (cfgdone_index >= 10)
2653                                 cfgdone_index = 0;
2654                 }
2655                 if (copy_from_user(&win_data,
2656                                    (struct rk_fb_win_cfg_data __user *)argp,
2657                                    sizeof(win_data))) {
2658                         ret = -EFAULT;
2659                         break;
2660                 };
2661
2662                 dev_drv->wait_fs = win_data.wait_fs;
2663                 rk_fb_set_win_config(info, &win_data);
2664
2665                 if (copy_to_user((struct rk_fb_win_cfg_data __user *)arg,
2666                                  &win_data, sizeof(win_data))) {
2667                         ret = -EFAULT;
2668                         break;
2669                 }
2670                 memset(&win_data, 0, sizeof(struct rk_fb_win_cfg_data));
2671                 break;
2672         default:
2673                 dev_drv->ops->ioctl(dev_drv, cmd, arg, win_id);
2674                 break;
2675         }
2676
2677         return 0;
2678 }
2679
2680 static int rk_fb_blank(int blank_mode, struct fb_info *info)
2681 {
2682         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
2683         struct fb_fix_screeninfo *fix = &info->fix;
2684         int win_id;
2685 #if defined(CONFIG_RK_HDMI)
2686         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2687 #endif
2688
2689         win_id = dev_drv->ops->fb_get_win_id(dev_drv, fix->id);
2690         if (win_id < 0)
2691                 return -ENODEV;
2692 #if defined(CONFIG_RK_HDMI)
2693         if ((rk_fb->disp_mode == ONE_DUAL) &&
2694             (hdmi_get_hotplug() == HDMI_HPD_ACTIVED)) {
2695                 printk(KERN_INFO "hdmi is connect , not blank lcdc\n");
2696         } else
2697 #endif
2698         {
2699                 dev_drv->ops->blank(dev_drv, win_id, blank_mode);
2700         }
2701         return 0;
2702 }
2703
2704 static int rk_fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
2705 {
2706         if ((0 == var->xres_virtual) || (0 == var->yres_virtual) ||
2707             (0 == var->xres) || (0 == var->yres) || (var->xres < 16) ||
2708             ((16 != var->bits_per_pixel) &&
2709             (32 != var->bits_per_pixel) &&
2710             (24 != var->bits_per_pixel))) {
2711                 dev_err(info->dev, "%s check var fail 1:\n"
2712                         "xres_vir:%d>>yres_vir:%d\n"
2713                         "xres:%d>>yres:%d\n"
2714                         "bits_per_pixel:%d\n",
2715                         info->fix.id,
2716                         var->xres_virtual,
2717                         var->yres_virtual,
2718                         var->xres, var->yres, var->bits_per_pixel);
2719                 return -EINVAL;
2720         }
2721
2722         if (((var->xoffset + var->xres) > var->xres_virtual) ||
2723             ((var->yoffset + var->yres) > (var->yres_virtual))) {
2724                 dev_err(info->dev, "%s check_var fail 2:\n"
2725                         "xoffset:%d>>xres:%d>>xres_vir:%d\n"
2726                         "yoffset:%d>>yres:%d>>yres_vir:%d\n",
2727                         info->fix.id,
2728                         var->xoffset,
2729                         var->xres,
2730                         var->xres_virtual,
2731                         var->yoffset, var->yres, var->yres_virtual);
2732                 return -EINVAL;
2733         }
2734
2735         return 0;
2736 }
2737
2738 static ssize_t rk_fb_read(struct fb_info *info, char __user *buf,
2739                           size_t count, loff_t *ppos)
2740 {
2741         unsigned long p = *ppos;
2742         u8 *buffer, *dst;
2743         u8 __iomem *src;
2744         int c, cnt = 0, err = 0;
2745         unsigned long total_size;
2746         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
2747         struct rk_lcdc_win *win = NULL;
2748         int win_id = 0;
2749
2750         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2751         if (win_id < 0)
2752                 return -ENODEV;
2753         else
2754                 win = dev_drv->win[win_id];
2755
2756         /* only read the current frame buffer */
2757         if (win->format == RGB565) {
2758                 total_size = win->area[0].y_vir_stride * win->area[0].yact << 1;
2759         } else if (win->format == YUV420) {
2760                 total_size =
2761                     (win->area[0].y_vir_stride * win->area[0].yact * 6);
2762         } else {
2763                 total_size = win->area[0].y_vir_stride * win->area[0].yact << 2;
2764         }
2765         if (p >= total_size)
2766                 return 0;
2767
2768         if (count >= total_size)
2769                 count = total_size;
2770
2771         if (count + p > total_size)
2772                 count = total_size - p;
2773
2774         buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
2775         if (!buffer)
2776                 return -ENOMEM;
2777
2778         src = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
2779
2780         while (count) {
2781                 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
2782                 dst = buffer;
2783                 fb_memcpy_fromfb(dst, src, c);
2784                 dst += c;
2785                 src += c;
2786
2787                 if (copy_to_user(buf, buffer, c)) {
2788                         err = -EFAULT;
2789                         break;
2790                 }
2791                 *ppos += c;
2792                 buf += c;
2793                 cnt += c;
2794                 count -= c;
2795         }
2796
2797         kfree(buffer);
2798
2799         return (err) ? err : cnt;
2800 }
2801
2802 static ssize_t rk_fb_write(struct fb_info *info, const char __user *buf,
2803                            size_t count, loff_t *ppos)
2804 {
2805         unsigned long p = *ppos;
2806         u8 *buffer, *src;
2807         u8 __iomem *dst;
2808         int c, cnt = 0, err = 0;
2809         unsigned long total_size;
2810         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
2811         struct rk_lcdc_win *win = NULL;
2812         int win_id = 0;
2813
2814         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2815         if (win_id < 0)
2816                 return -ENODEV;
2817         else
2818                 win = dev_drv->win[win_id];
2819
2820         /* write the current frame buffer */
2821         if (win->format == RGB565)
2822                 total_size = win->area[0].xact * win->area[0].yact << 1;
2823         else
2824                 total_size = win->area[0].xact * win->area[0].yact << 2;
2825
2826         if (p > total_size)
2827                 return -EFBIG;
2828
2829         if (count > total_size) {
2830                 err = -EFBIG;
2831                 count = total_size;
2832         }
2833
2834         if (count + p > total_size) {
2835                 if (!err)
2836                         err = -ENOSPC;
2837
2838                 count = total_size - p;
2839         }
2840
2841         buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
2842         if (!buffer)
2843                 return -ENOMEM;
2844
2845         dst = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
2846
2847         while (count) {
2848                 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
2849                 src = buffer;
2850
2851                 if (copy_from_user(src, buf, c)) {
2852                         err = -EFAULT;
2853                         break;
2854                 }
2855
2856                 fb_memcpy_tofb(dst, src, c);
2857                 dst += c;
2858                 src += c;
2859                 *ppos += c;
2860                 buf += c;
2861                 cnt += c;
2862                 count -= c;
2863         }
2864
2865         kfree(buffer);
2866
2867         return (cnt) ? cnt : err;
2868 }
2869
2870 /*
2871  * function: update extend info acorrding to primary info that only used for dual display mode
2872  * @ext_info: the fb_info of extend screen
2873  * @info: the fb_info of primary screen
2874  * @update_buffer: whether to update extend info buffer, 0: no;1: yes
2875  */
2876 static int rk_fb_update_ext_info(struct fb_info *ext_info,
2877                                         struct fb_info *info, int update_buffer)
2878 {
2879         struct rk_fb *rk_fb =  platform_get_drvdata(fb_pdev);
2880         struct rk_lcdc_driver *dev_drv = NULL;
2881         struct rk_lcdc_driver *ext_dev_drv = NULL;
2882         struct rk_lcdc_win *win = NULL;
2883         struct rk_lcdc_win *ext_win = NULL;
2884         int win_id = 0, ext_win_id = 0;
2885
2886         if (rk_fb->disp_mode != DUAL || info == ext_info)
2887                 return 0;
2888         if (unlikely(!info) || unlikely(!ext_info))
2889                 return -1;
2890
2891         dev_drv = (struct rk_lcdc_driver *)info->par;
2892         ext_dev_drv = (struct rk_lcdc_driver *)ext_info->par;
2893         if (unlikely(!dev_drv) || unlikely(!ext_dev_drv))
2894                 return -1;
2895
2896         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2897         win = dev_drv->win[win_id];
2898         ext_win_id = ext_dev_drv->ops->fb_get_win_id(ext_dev_drv,
2899                                                      ext_info->fix.id);
2900         ext_win = ext_dev_drv->win[ext_win_id];
2901
2902         rk_fb_update_ext_win(ext_dev_drv, dev_drv, ext_win, win);
2903         if (update_buffer) {
2904                 rk_fb_set_ext_win_buffer(ext_win, win, ext_dev_drv->rotate_mode,
2905                                          ext_dev_drv->iommu_enabled);
2906
2907                 /* update extend info display address */
2908                 ext_info->fix.smem_start = ext_win->area[0].smem_start;
2909                 ext_info->fix.mmio_start = ext_win->area[0].cbr_start;
2910
2911                 if (ext_dev_drv->rotate_mode > X_Y_MIRROR)
2912                         rk_fb_rotate(ext_info, info);
2913         }
2914
2915         /* update extend info */
2916         ext_info->var.xres = ext_win->area[0].xact;
2917         ext_info->var.yres = ext_win->area[0].yact;
2918         ext_info->var.xres_virtual = ext_win->area[0].xvir;
2919         ext_info->var.yres_virtual = ext_win->area[0].yvir;
2920
2921         /* config same data format */
2922         ext_info->var.nonstd &= 0xffffff00;
2923         ext_info->var.nonstd |= (info->var.nonstd & 0xff);
2924
2925         ext_info->var.nonstd &= 0xff;
2926         ext_info->var.nonstd |=
2927                 (ext_win->area[0].xpos << 8) + (ext_win->area[0].ypos << 20);
2928
2929         ext_info->var.grayscale &= 0xff;
2930         ext_info->var.grayscale |=
2931                 (ext_win->area[0].xsize << 8) + (ext_win->area[0].ysize << 20);
2932
2933         return 0;
2934 }
2935
2936 static int rk_fb_set_par(struct fb_info *info)
2937 {
2938         struct fb_var_screeninfo *var = &info->var;
2939         struct fb_fix_screeninfo *fix = &info->fix;
2940         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
2941         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2942         int fb_id, extend_win_id = 0;
2943         struct fb_info *extend_info = NULL;
2944         struct rk_lcdc_driver *extend_dev_drv = NULL;
2945         struct rk_lcdc_win *extend_win = NULL;
2946         struct rk_lcdc_win *win = NULL;
2947         struct rk_screen *screen = dev_drv->cur_screen;
2948         int win_id = 0;
2949         u32 cblen = 0, crlen = 0;
2950         u16 xsize = 0, ysize = 0;       /* winx display window height/width --->LCDC_WINx_DSP_INFO */
2951         u32 xoffset = var->xoffset;     /* offset from virtual to visible */
2952         u32 yoffset = var->yoffset;
2953         u16 xpos = (var->nonstd >> 8) & 0xfff;  /*visiable pos in panel */
2954         u16 ypos = (var->nonstd >> 20) & 0xfff;
2955         u32 xvir = var->xres_virtual;
2956         u32 yvir = var->yres_virtual;
2957         u8 data_format = var->nonstd & 0xff;
2958         u8 fb_data_fmt;
2959         u8 pixel_width;
2960         u32 vir_width_bit;
2961         u32 stride, uv_stride;
2962         u32 stride_32bit_1;
2963         u32 stride_32bit_2;
2964         u16 uv_x_off, uv_y_off, uv_y_act;
2965         u8 is_pic_yuv = 0;
2966
2967         var->pixclock = dev_drv->pixclock;
2968         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2969         if (win_id < 0)
2970                 return -ENODEV;
2971         else
2972                 win = dev_drv->win[win_id];
2973
2974         if (rk_fb->disp_mode == DUAL) {
2975                 fb_id = get_extend_fb_id(info);
2976                 extend_info = rk_fb->fb[(rk_fb->num_fb >> 1) + fb_id];
2977                 extend_dev_drv = (struct rk_lcdc_driver *)extend_info->par;
2978                 extend_win_id = dev_drv->ops->fb_get_win_id(extend_dev_drv,
2979                                                             extend_info->fix.id);
2980                 extend_win = extend_dev_drv->win[extend_win_id];
2981         }
2982
2983         /* if the application has specific the horizontal and vertical display size */
2984         if (var->grayscale >> 8) {
2985                 xsize = (var->grayscale >> 8) & 0xfff;
2986                 ysize = (var->grayscale >> 20) & 0xfff;
2987                 if (xsize > screen->mode.xres)
2988                         xsize = screen->mode.xres;
2989                 if (ysize > screen->mode.yres)
2990                         ysize = screen->mode.yres;
2991         } else {                /*ohterwise  full  screen display */
2992                 xsize = screen->mode.xres;
2993                 ysize = screen->mode.yres;
2994         }
2995
2996         fb_data_fmt = rk_fb_data_fmt(data_format, var->bits_per_pixel);
2997         pixel_width = rk_fb_pixel_width(fb_data_fmt);
2998         vir_width_bit = pixel_width * xvir;
2999         /* pixel_width = byte_num * 8 */
3000         stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
3001         stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
3002
3003         switch (fb_data_fmt) {
3004         case YUV422:
3005         case YUV422_A:
3006                 is_pic_yuv = 1;
3007                 stride = stride_32bit_1;
3008                 uv_stride = stride_32bit_1 >> 1;
3009                 uv_x_off = xoffset >> 1;
3010                 uv_y_off = yoffset;
3011                 fix->line_length = stride;
3012                 cblen = crlen = (xvir * yvir) >> 1;
3013                 uv_y_act = win->area[0].yact >> 1;
3014                 break;
3015         case YUV420:            /* 420sp */
3016         case YUV420_A:
3017                 is_pic_yuv = 1;
3018                 stride = stride_32bit_1;
3019                 uv_stride = stride_32bit_1;
3020                 uv_x_off = xoffset;
3021                 uv_y_off = yoffset >> 1;
3022                 fix->line_length = stride;
3023                 cblen = crlen = (xvir * yvir) >> 2;
3024                 uv_y_act = win->area[0].yact >> 1;
3025                 break;
3026         case YUV444:
3027         case YUV444_A:
3028                 is_pic_yuv = 1;
3029                 stride = stride_32bit_1;
3030                 uv_stride = stride_32bit_2;
3031                 uv_x_off = xoffset * 2;
3032                 uv_y_off = yoffset;
3033                 fix->line_length = stride << 2;
3034                 cblen = crlen = (xvir * yvir);
3035                 uv_y_act = win->area[0].yact;
3036                 break;
3037         default:
3038                 stride = stride_32bit_1;        /* default rgb */
3039                 fix->line_length = stride;
3040                 break;
3041         }
3042
3043         /* x y mirror ,jump line */
3044         if (screen->y_mirror == 1) {
3045                 if (screen->interlace == 1) {
3046                         win->area[0].y_offset = yoffset * stride * 2 +
3047                             ((win->area[0].yact - 1) * 2 + 1) * stride +
3048                             xoffset * pixel_width / 8;
3049                 } else {
3050                         win->area[0].y_offset = yoffset * stride +
3051                             (win->area[0].yact - 1) * stride +
3052                             xoffset * pixel_width / 8;
3053                 }
3054         } else {
3055                 if (screen->interlace == 1) {
3056                         win->area[0].y_offset =
3057                             yoffset * stride * 2 + xoffset * pixel_width / 8;
3058                 } else {
3059                         win->area[0].y_offset =
3060                             yoffset * stride + xoffset * pixel_width / 8;
3061                 }
3062         }
3063         if (is_pic_yuv == 1) {
3064                 if (screen->y_mirror == 1) {
3065                         if (screen->interlace == 1) {
3066                                 win->area[0].c_offset =
3067                                     uv_y_off * uv_stride * 2 +
3068                                     ((uv_y_act - 1) * 2 + 1) * uv_stride +
3069                                     uv_x_off * pixel_width / 8;
3070                         } else {
3071                                 win->area[0].c_offset = uv_y_off * uv_stride +
3072                                     (uv_y_act - 1) * uv_stride +
3073                                     uv_x_off * pixel_width / 8;
3074                         }
3075                 } else {
3076                         if (screen->interlace == 1) {
3077                                 win->area[0].c_offset =
3078                                     uv_y_off * uv_stride * 2 +
3079                                     uv_x_off * pixel_width / 8;
3080                         } else {
3081                                 win->area[0].c_offset =
3082                                     uv_y_off * uv_stride +
3083                                     uv_x_off * pixel_width / 8;
3084                         }
3085                 }
3086         }
3087
3088         win->format = fb_data_fmt;
3089         win->area[0].y_vir_stride = stride >> 2;
3090         win->area[0].uv_vir_stride = uv_stride >> 2;
3091         win->area[0].xpos = xpos;
3092         win->area[0].ypos = ypos;
3093         win->area[0].xsize = xsize;
3094         win->area[0].ysize = ysize;
3095         win->area[0].xact = var->xres;  /* winx active window height,is a wint of vir */
3096         win->area[0].yact = var->yres;
3097         win->area[0].xvir = var->xres_virtual;  /* virtual resolution  stride --->LCDC_WINx_VIR */
3098         win->area[0].yvir = var->yres_virtual;
3099
3100         win->area_num = 1;
3101         win->alpha_mode = 4;    /* AB_SRC_OVER; */
3102         win->alpha_en = ((win->format == ARGB888) ||
3103                          (win->format == ABGR888)) ? 1 : 0;
3104         win->g_alpha_val = 0;
3105
3106         if (rk_fb->disp_mode == DUAL) {
3107                 if (extend_win->state && hdmi_switch_complete) {
3108                         if (info != extend_info) {
3109                                 rk_fb_update_ext_win(extend_dev_drv, dev_drv,
3110                                                      extend_win, win);
3111                                 extend_dev_drv->ops->set_par(extend_dev_drv,
3112                                                              extend_win_id);
3113                         }
3114                 }
3115         }
3116         dev_drv->ops->set_par(dev_drv, win_id);
3117
3118         return 0;
3119 }
3120
3121 static inline unsigned int chan_to_field(unsigned int chan,
3122                                          struct fb_bitfield *bf)
3123 {
3124         chan &= 0xffff;
3125         chan >>= 16 - bf->length;
3126         return chan << bf->offset;
3127 }
3128
3129 static int fb_setcolreg(unsigned regno,
3130                         unsigned red, unsigned green, unsigned blue,
3131                         unsigned transp, struct fb_info *info)
3132 {
3133         unsigned int val;
3134
3135         switch (info->fix.visual) {
3136         case FB_VISUAL_TRUECOLOR:
3137                 /* true-colour, use pseudo-palette */
3138                 if (regno < 16) {
3139                         u32 *pal = info->pseudo_palette;
3140                         val = chan_to_field(red, &info->var.red);
3141                         val |= chan_to_field(green, &info->var.green);
3142                         val |= chan_to_field(blue, &info->var.blue);
3143                         pal[regno] = val;
3144                 }
3145                 break;
3146         default:
3147                 return -1;      /* unknown type */
3148         }
3149
3150         return 0;
3151 }
3152
3153 static int rk_fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
3154 {
3155         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3156         struct ion_handle *handle = (struct ion_handle *)info->var.reserved[0];
3157         struct dma_buf *dma_buf = NULL;
3158
3159         if (handle == NULL || IS_ERR(handle)) {
3160                 dev_err(info->device, "failed to get ion handle:%ld\n",
3161                         PTR_ERR(handle));
3162                 return -ENOMEM;
3163         }
3164         dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3165         if (IS_ERR_OR_NULL(dma_buf)) {
3166                 printk("get ion share dma buf failed\n");
3167                 return -ENOMEM;
3168         }
3169
3170         vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
3171
3172         return dma_buf_mmap(dma_buf, vma, 0);
3173 }
3174
3175 static struct fb_ops fb_ops = {
3176         .owner = THIS_MODULE,
3177         .fb_open = rk_fb_open,
3178         .fb_release = rk_fb_close,
3179         .fb_check_var = rk_fb_check_var,
3180         .fb_set_par = rk_fb_set_par,
3181         .fb_blank = rk_fb_blank,
3182         .fb_ioctl = rk_fb_ioctl,
3183         .fb_pan_display = rk_fb_pan_display,
3184         .fb_read = rk_fb_read,
3185         .fb_write = rk_fb_write,
3186         .fb_setcolreg = fb_setcolreg,
3187         .fb_fillrect = cfb_fillrect,
3188         .fb_copyarea = cfb_copyarea,
3189         .fb_imageblit = cfb_imageblit,
3190 };
3191
3192 static struct fb_var_screeninfo def_var = {
3193 #if defined(CONFIG_LOGO_LINUX_BMP)
3194         .red = {16, 8, 0},
3195         .green = {8, 8, 0},
3196         .blue = {0, 8, 0},
3197         .transp = {0, 0, 0},
3198         .nonstd = HAL_PIXEL_FORMAT_BGRA_8888,
3199 #else
3200         .red = {11, 5, 0},
3201         .green = {5, 6, 0},
3202         .blue = {0, 5, 0},
3203         .transp = {0, 0, 0},
3204         .nonstd = HAL_PIXEL_FORMAT_RGB_565,     /* (ypos<<20+xpos<<8+format) format */
3205 #endif
3206         .grayscale = 0,         /* (ysize<<20+xsize<<8) */
3207         .activate = FB_ACTIVATE_NOW,
3208         .accel_flags = 0,
3209         .vmode = FB_VMODE_NONINTERLACED,
3210 };
3211
3212 static struct fb_fix_screeninfo def_fix = {
3213         .type = FB_TYPE_PACKED_PIXELS,
3214         .type_aux = 0,
3215         .xpanstep = 1,
3216         .ypanstep = 1,
3217         .ywrapstep = 0,
3218         .accel = FB_ACCEL_NONE,
3219         .visual = FB_VISUAL_TRUECOLOR,
3220
3221 };
3222
3223 static int rk_fb_wait_for_vsync_thread(void *data)
3224 {
3225         struct rk_lcdc_driver *dev_drv = data;
3226         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3227         struct fb_info *fbi = rk_fb->fb[0];
3228
3229         while (!kthread_should_stop()) {
3230                 ktime_t timestamp = dev_drv->vsync_info.timestamp;
3231                 int ret = wait_event_interruptible(dev_drv->vsync_info.wait,
3232                                 !ktime_equal(timestamp, dev_drv->vsync_info.timestamp) &&
3233                                 (dev_drv->vsync_info.active || dev_drv->vsync_info.irq_stop));
3234
3235                 if (!ret)
3236                         sysfs_notify(&fbi->dev->kobj, NULL, "vsync");
3237         }
3238
3239         return 0;
3240 }
3241
3242 static ssize_t rk_fb_vsync_show(struct device *dev,
3243                                 struct device_attribute *attr, char *buf)
3244 {
3245         struct fb_info *fbi = dev_get_drvdata(dev);
3246         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)fbi->par;
3247         return scnprintf(buf, PAGE_SIZE, "%llu\n",
3248                          ktime_to_ns(dev_drv->vsync_info.timestamp));
3249 }
3250
3251 static DEVICE_ATTR(vsync, S_IRUGO, rk_fb_vsync_show, NULL);
3252
3253 /*
3254  * this two function is for other module that in the kernel which
3255  * need show image directly through fb
3256  * fb_id:we have 4 fb here,default we use fb0 for ui display
3257  */
3258 struct fb_info *rk_get_fb(int fb_id)
3259 {
3260         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3261         struct fb_info *fb = inf->fb[fb_id];
3262         return fb;
3263 }
3264 EXPORT_SYMBOL(rk_get_fb);
3265
3266 void rk_direct_fb_show(struct fb_info *fbi)
3267 {
3268         rk_fb_set_par(fbi);
3269         rk_fb_pan_display(&fbi->var, fbi);
3270 }
3271 EXPORT_SYMBOL(rk_direct_fb_show);
3272
3273 int rk_fb_dpi_open(bool open)
3274 {
3275         struct rk_lcdc_driver *dev_drv = NULL;
3276         dev_drv = rk_get_prmry_lcdc_drv();
3277
3278         if (dev_drv->ops->dpi_open)
3279                 dev_drv->ops->dpi_open(dev_drv, open);
3280         return 0;
3281 }
3282
3283 int rk_fb_dpi_win_sel(int win_id)
3284 {
3285         struct rk_lcdc_driver *dev_drv = NULL;
3286         dev_drv = rk_get_prmry_lcdc_drv();
3287
3288         if (dev_drv->ops->dpi_win_sel)
3289                 dev_drv->ops->dpi_win_sel(dev_drv, win_id);
3290         return 0;
3291 }
3292
3293 int rk_fb_dpi_status(void)
3294 {
3295         int ret = 0;
3296         struct rk_lcdc_driver *dev_drv = NULL;
3297
3298         dev_drv = rk_get_prmry_lcdc_drv();
3299         if (dev_drv->ops->dpi_status)
3300                 ret = dev_drv->ops->dpi_status(dev_drv);
3301
3302         return ret;
3303 }
3304
3305 /*
3306  * function: this function will be called by display device, enable/disable lcdc
3307  * @screen: screen timing to be set to lcdc
3308  * @enable: 0 disable lcdc; 1 enable change lcdc timing; 2 just enable dclk
3309  * @lcdc_id: the lcdc id the display device attached ,0 or 1
3310  */
3311 int rk_fb_switch_screen(struct rk_screen *screen, int enable, int lcdc_id)
3312 {
3313         struct rk_fb *rk_fb =  platform_get_drvdata(fb_pdev);
3314         struct fb_info *info = NULL;
3315         struct fb_info *pmy_info = NULL;
3316         struct rk_lcdc_driver *dev_drv = NULL;
3317         struct rk_lcdc_driver *pmy_dev_drv = rk_get_prmry_lcdc_drv();
3318         char name[6] = {0};
3319         int i, win_id, load_screen = 0;
3320
3321         if (unlikely(!rk_fb) || unlikely(!pmy_dev_drv) || unlikely(!screen))
3322                 return -ENODEV;
3323
3324         /* get lcdc driver */
3325         sprintf(name, "lcdc%d", lcdc_id);
3326         if (rk_fb->disp_mode != DUAL)
3327                 dev_drv = rk_fb->lcdc_dev_drv[0];
3328         else
3329                 dev_drv = rk_get_lcdc_drv(name);
3330
3331         if (dev_drv == NULL) {
3332                 printk(KERN_ERR "%s driver not found!", name);
3333                 return -ENODEV;
3334         }
3335         if (screen->type == SCREEN_HDMI)
3336                 printk("hdmi %s lcdc%d\n", enable ? "connect to" : "remove from",
3337                         dev_drv->id);
3338         else if (screen->type == SCREEN_TVOUT)
3339                 printk("cvbs %s lcdc%d\n", enable ? "connect to" : "remove from",
3340                         dev_drv->id);
3341
3342         if (enable == 2 /*&& dev_drv->enable*/)
3343                 return 0;
3344
3345         if (rk_fb->disp_mode == ONE_DUAL) {
3346                 if (dev_drv->ops->dsp_black)
3347                         dev_drv->ops->dsp_black(dev_drv, 1);
3348                 if (dev_drv->ops->set_screen_scaler)
3349                         dev_drv->ops->set_screen_scaler(dev_drv, dev_drv->screen0, 0);
3350         }
3351
3352         if (!enable) {
3353                 /* if screen type is different, we do not disable lcdc. */
3354                 if (dev_drv->cur_screen->type != screen->type)
3355                         return 0;
3356
3357                 /* if used one lcdc to dual disp, no need to close win */
3358                 if (rk_fb->disp_mode == ONE_DUAL) {
3359                         dev_drv->cur_screen = dev_drv->screen0;
3360                         dev_drv->ops->load_screen(dev_drv, 1);
3361
3362                         /* force modify dsp size */
3363                         info = rk_fb->fb[dev_drv->fb_index_base];
3364                         info->var.grayscale &= 0xff;
3365                         info->var.grayscale |=
3366                                 (dev_drv->cur_screen->mode.xres << 8) +
3367                                 (dev_drv->cur_screen->mode.yres << 20);
3368                         info->fbops->fb_set_par(info);
3369                         info->fbops->fb_pan_display(&info->var, info);
3370
3371                         if (dev_drv->ops->dsp_black)
3372                                 dev_drv->ops->dsp_black(dev_drv, 0);
3373                 } else if (rk_fb->num_lcdc > 1) {
3374                         /* If there is more than one lcdc device, we disable
3375                            the layer which attached to this device */
3376                         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3377                                 if (dev_drv->win[i] && dev_drv->win[i]->state)
3378                                         dev_drv->ops->open(dev_drv, i, 0);
3379                         }
3380                 }
3381
3382                 hdmi_switch_complete = 0;
3383                 return 0;
3384         } else {
3385                 if (dev_drv->screen1)
3386                         dev_drv->cur_screen = dev_drv->screen1;
3387                 memcpy(dev_drv->cur_screen, screen, sizeof(struct rk_screen));
3388                 dev_drv->cur_screen->xsize = dev_drv->cur_screen->mode.xres;
3389                 dev_drv->cur_screen->ysize = dev_drv->cur_screen->mode.yres;
3390                 dev_drv->cur_screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3391                 dev_drv->cur_screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3392         }
3393         if (!dev_drv->uboot_logo) {
3394                 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3395                         info = rk_fb->fb[dev_drv->fb_index_base + i];
3396                         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3397                         if (dev_drv->win[win_id]) {
3398                                 if (rk_fb->disp_mode == DUAL) {
3399                                         if (dev_drv != pmy_dev_drv &&
3400                                                         pmy_dev_drv->win[win_id]) {
3401                                                 dev_drv->win[win_id]->logicalstate =
3402                                                         pmy_dev_drv->win[win_id]->logicalstate;
3403                                                 pmy_info = rk_fb->fb[pmy_dev_drv->fb_index_base + i];
3404                                         }
3405                                 }
3406                                 if (dev_drv->win[win_id]->logicalstate) {
3407                                         if (!dev_drv->win[win_id]->state)
3408                                                 dev_drv->ops->open(dev_drv, win_id, 1);
3409                                         if (!load_screen) {
3410                                                 dev_drv->ops->load_screen(dev_drv, 1);
3411                                                 load_screen = 1;
3412                                         }
3413                                         info->var.activate |= FB_ACTIVATE_FORCE;
3414                                         if (rk_fb->disp_mode == DUAL) {
3415                                                 rk_fb_update_ext_info(info, pmy_info, 1);
3416                                         } else if (rk_fb->disp_mode == ONE_DUAL) {
3417                                                 info->var.grayscale &= 0xff;
3418                                                 info->var.grayscale |=
3419                                                         (dev_drv->cur_screen->xsize << 8) +
3420                                                         (dev_drv->cur_screen->ysize << 20);
3421                                         }
3422                                         info->fbops->fb_set_par(info);
3423                                         info->fbops->fb_pan_display(&info->var, info);
3424                                 }
3425                         }
3426                 }
3427         }else {
3428                 dev_drv->uboot_logo = 0;
3429         }
3430         hdmi_switch_complete = 1;
3431         if (rk_fb->disp_mode == ONE_DUAL) {
3432                 if (dev_drv->ops->set_screen_scaler)
3433                         dev_drv->ops->set_screen_scaler(dev_drv, dev_drv->screen0, 1);
3434                 if (dev_drv->ops->dsp_black)
3435                         dev_drv->ops->dsp_black(dev_drv, 0);
3436         }
3437         return 0;
3438 }
3439
3440 /*
3441  * function:this function current only called by hdmi for
3442  *      scale the display
3443  * scale_x: scale rate of x resolution
3444  * scale_y: scale rate of y resolution
3445  * lcdc_id: the lcdc id the hdmi attached ,0 or 1
3446  */
3447 int rk_fb_disp_scale(u8 scale_x, u8 scale_y, u8 lcdc_id)
3448 {
3449         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3450         struct fb_info *info = NULL;
3451         struct fb_info *pmy_info = NULL;
3452         struct fb_var_screeninfo *var = NULL;
3453         struct rk_lcdc_driver *dev_drv = NULL;
3454         u16 screen_x, screen_y;
3455         u16 xpos, ypos;
3456         char name[6];
3457         struct rk_screen primary_screen;
3458         rk_fb_get_prmry_screen(&primary_screen);
3459         if (primary_screen.type == SCREEN_HDMI) {
3460                 return 0;
3461         }
3462
3463         sprintf(name, "lcdc%d", lcdc_id);
3464
3465         if (inf->disp_mode == DUAL) {
3466                 dev_drv = rk_get_lcdc_drv(name);
3467                 if (dev_drv == NULL) {
3468                         printk(KERN_ERR "%s driver not found!", name);
3469                         return -ENODEV;
3470                 }
3471         } else {
3472                 dev_drv = inf->lcdc_dev_drv[0];
3473         }
3474
3475         if (inf->num_lcdc == 1) {
3476                 info = inf->fb[0];
3477         } else if (inf->num_lcdc == 2) {
3478                 info = inf->fb[dev_drv->lcdc_win_num];
3479                 pmy_info = inf->fb[0];
3480         }
3481
3482         var = &info->var;
3483         screen_x = dev_drv->cur_screen->mode.xres;
3484         screen_y = dev_drv->cur_screen->mode.yres;
3485
3486         if (inf->disp_mode != DUAL && dev_drv->screen1) {
3487                 dev_drv->cur_screen->xpos =
3488                     (screen_x - screen_x * scale_x / 100) >> 1;
3489                 dev_drv->cur_screen->ypos =
3490                     (screen_y - screen_y * scale_y / 100) >> 1;
3491                 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3492                 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3493         } else {
3494                 xpos = (screen_x - screen_x * scale_x / 100) >> 1;
3495                 ypos = (screen_y - screen_y * scale_y / 100) >> 1;
3496                 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3497                 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3498                 if (inf->disp_mode == DUAL) {
3499                         rk_fb_update_ext_info(info, pmy_info, 0);
3500                 } else {
3501                         var->nonstd &= 0xff;
3502                         var->nonstd |= (xpos << 8) + (ypos << 20);
3503                         var->grayscale &= 0xff;
3504                         var->grayscale |=
3505                                 (dev_drv->cur_screen->xsize << 8) +
3506                                 (dev_drv->cur_screen->ysize << 20);
3507                 }
3508         }
3509
3510         info->fbops->fb_set_par(info);
3511         /* info->fbops->fb_ioctl(info, RK_FBIOSET_CONFIG_DONE, 0); */
3512         dev_drv->ops->cfg_done(dev_drv);
3513         return 0;
3514 }
3515
3516 #if defined(CONFIG_ION_ROCKCHIP)
3517 static int rk_fb_alloc_buffer_by_ion(struct fb_info *fbi,
3518                                      struct rk_lcdc_win *win,
3519                                      unsigned long fb_mem_size)
3520 {
3521         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3522         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)fbi->par;
3523         struct ion_handle *handle;
3524         ion_phys_addr_t phy_addr;
3525         size_t len;
3526         int ret = 0;
3527
3528         if (dev_drv->iommu_enabled)
3529                 handle = ion_alloc(rk_fb->ion_client, (size_t) fb_mem_size, 0,
3530                                    ION_HEAP(ION_VMALLOC_HEAP_ID), 0);
3531         else
3532                 handle = ion_alloc(rk_fb->ion_client, (size_t) fb_mem_size, 0,
3533                                    ION_HEAP(ION_CMA_HEAP_ID), 0);
3534         if (IS_ERR(handle)) {
3535                 dev_err(fbi->device, "failed to ion_alloc:%ld\n",
3536                         PTR_ERR(handle));
3537                 return -ENOMEM;
3538         }
3539         fbi->var.reserved[0] = (__u32)handle;
3540         win->area[0].dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3541         if (IS_ERR_OR_NULL(win->area[0].dma_buf)) {
3542                 printk("ion_share_dma_buf() failed\n");
3543                 goto err_share_dma_buf;
3544         }
3545         win->area[0].ion_hdl = handle;
3546         if (dev_drv->prop == PRMRY)
3547                 fbi->screen_base = ion_map_kernel(rk_fb->ion_client, handle);
3548 #ifdef CONFIG_ROCKCHIP_IOMMU
3549         if (dev_drv->iommu_enabled)
3550                 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, handle,
3551                                         (unsigned long *)&phy_addr,
3552                                         (unsigned long *)&len);
3553         else
3554                 ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3555 #else
3556         ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3557 #endif
3558         if (ret < 0) {
3559                 dev_err(fbi->dev, "ion map to get phy addr failed\n");
3560                 goto err_share_dma_buf;
3561         }
3562         fbi->fix.smem_start = phy_addr;
3563         fbi->fix.smem_len = len;
3564         if (dev_drv->prop == PRMRY)
3565                 rk_fb->fb_phy_base = phy_addr;
3566         else
3567                 rk_fb->ext_fb_phy_base = phy_addr;
3568         printk(KERN_INFO "alloc_buffer:ion_phy_addr=0x%lx\n", phy_addr);
3569         return 0;
3570
3571 err_share_dma_buf:
3572         ion_free(rk_fb->ion_client, handle);
3573         return -ENOMEM;
3574 }
3575 #endif
3576
3577 static int rk_fb_alloc_buffer(struct fb_info *fbi, int fb_id)
3578 {
3579         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3580         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)fbi->par;
3581         struct rk_lcdc_win *win = NULL;
3582         int win_id;
3583         int ret = 0;
3584         unsigned long fb_mem_size;
3585 #if !defined(CONFIG_ION_ROCKCHIP)
3586         dma_addr_t fb_mem_phys;
3587         void *fb_mem_virt;
3588 #endif
3589
3590         win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
3591         if (win_id < 0)
3592                 return -ENODEV;
3593         else
3594                 win = dev_drv->win[win_id];
3595
3596         if (!strcmp(fbi->fix.id, "fb0")) {
3597                 fb_mem_size = get_fb_size();
3598 #if defined(CONFIG_ION_ROCKCHIP)
3599                 if (rk_fb_alloc_buffer_by_ion(fbi, win, fb_mem_size) < 0)
3600                         return -ENOMEM;
3601 #else
3602                 fb_mem_virt = dma_alloc_writecombine(fbi->dev, fb_mem_size,
3603                                                      &fb_mem_phys, GFP_KERNEL);
3604                 if (!fb_mem_virt) {
3605                         pr_err("%s: Failed to allocate framebuffer\n",
3606                                __func__);
3607                         return -ENOMEM;
3608                 }
3609                 fbi->fix.smem_len = fb_mem_size;
3610                 fbi->fix.smem_start = fb_mem_phys;
3611                 fbi->screen_base = fb_mem_virt;
3612                 rk_fb->fb_phy_base = fb_mem_phys;
3613 #endif
3614                 memset(fbi->screen_base, 0, fbi->fix.smem_len);
3615                 printk(KERN_INFO "fb%d:phy:%lx>>vir:%p>>len:0x%x\n", fb_id,
3616                        fbi->fix.smem_start, fbi->screen_base,
3617                        fbi->fix.smem_len);
3618         } else {
3619                 if (dev_drv->rotate_mode > X_Y_MIRROR) {
3620                         fb_mem_size = get_rotate_fb_size();
3621 #if defined(CONFIG_ION_ROCKCHIP)
3622                         if (rk_fb_alloc_buffer_by_ion(fbi, win, fb_mem_size) < 0)
3623                                 return -ENOMEM;
3624 #else
3625                         fb_mem_virt =
3626                                 dma_alloc_writecombine(fbi->dev,
3627                                                        fb_mem_size,
3628                                                        &fb_mem_phys,
3629                                                        GFP_KERNEL);
3630                         if (!fb_mem_virt) {
3631                                 pr_err("%s: Failed to allocate framebuffer\n",
3632                                         __func__);
3633                                 return -ENOMEM;
3634                         }
3635                         fbi->fix.smem_len = fb_mem_size;
3636                         fbi->fix.smem_start = fb_mem_phys;
3637                         fbi->screen_base = fb_mem_virt;
3638                         rk_fb->ext_fb_phy_base = fb_mem_phys;
3639 #endif
3640                 } else {
3641                         fbi->fix.smem_start = rk_fb->fb[0]->fix.smem_start;
3642                         fbi->fix.smem_len = rk_fb->fb[0]->fix.smem_len;
3643                         fbi->screen_base = rk_fb->fb[0]->screen_base;
3644                         rk_fb->ext_fb_phy_base = rk_fb->fb_phy_base;
3645                 }
3646
3647                 printk(KERN_INFO "fb%d:phy:%lx>>vir:%p>>len:0x%x\n", fb_id,
3648                        fbi->fix.smem_start, fbi->screen_base,
3649                        fbi->fix.smem_len);
3650         }
3651
3652         fbi->screen_size = fbi->fix.smem_len;
3653         win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
3654         if (win_id >= 0) {
3655                 win = dev_drv->win[win_id];
3656                 win->reserved = fbi->fix.smem_start;
3657         }
3658
3659         return ret;
3660 }
3661
3662 #if 0
3663 static int rk_release_fb_buffer(struct fb_info *fbi)
3664 {
3665         /* buffer for fb1 and fb3 are alloc by android */
3666         if (!strcmp(fbi->fix.id, "fb1") || !strcmp(fbi->fix.id, "fb3"))
3667                 return 0;
3668         iounmap(fbi->screen_base);
3669         release_mem_region(fbi->fix.smem_start, fbi->fix.smem_len);
3670         return 0;
3671 }
3672 #endif
3673
3674 static int init_lcdc_win(struct rk_lcdc_driver *dev_drv,
3675                          struct rk_lcdc_win *def_win)
3676 {
3677         int i;
3678         int lcdc_win_num = dev_drv->lcdc_win_num;
3679
3680         for (i = 0; i < lcdc_win_num; i++) {
3681                 struct rk_lcdc_win *win = NULL;
3682                 win = kzalloc(sizeof(struct rk_lcdc_win), GFP_KERNEL);
3683                 if (!win) {
3684                         dev_err(dev_drv->dev, "kzmalloc for win fail!");
3685                         return -ENOMEM;
3686                 }
3687
3688                 strcpy(win->name, def_win[i].name);
3689                 win->id = def_win[i].id;
3690                 win->support_3d = def_win[i].support_3d;
3691                 dev_drv->win[i] = win;
3692         }
3693
3694         return 0;
3695 }
3696
3697 static int init_lcdc_device_driver(struct rk_fb *rk_fb,
3698                                    struct rk_lcdc_win *def_win, int index)
3699 {
3700         struct rk_lcdc_driver *dev_drv = rk_fb->lcdc_dev_drv[index];
3701         struct rk_screen *screen = devm_kzalloc(dev_drv->dev,
3702                                                 sizeof(struct rk_screen),
3703                                                 GFP_KERNEL);
3704
3705         if (!screen) {
3706                 dev_err(dev_drv->dev, "malloc screen for lcdc%d fail!",
3707                         dev_drv->id);
3708                 return -ENOMEM;
3709         }
3710
3711         screen->screen_id = 0;
3712         screen->lcdc_id = dev_drv->id;
3713         screen->overscan.left = 100;
3714         screen->overscan.top = 100;
3715         screen->overscan.right = 100;
3716         screen->overscan.bottom = 100;
3717
3718         screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3719         screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3720
3721         dev_drv->screen0 = screen;
3722         dev_drv->cur_screen = screen;
3723         /* devie use one lcdc + rk61x scaler for dual display */
3724         if (rk_fb->disp_mode == ONE_DUAL) {
3725                 struct rk_screen *screen1 =
3726                                 devm_kzalloc(dev_drv->dev,
3727                                              sizeof(struct rk_screen),
3728                                              GFP_KERNEL);
3729                 if (!screen1) {
3730                         dev_err(dev_drv->dev, "malloc screen1 for lcdc%d fail!",
3731                                 dev_drv->id);
3732                         return -ENOMEM;
3733                 }
3734                 screen1->screen_id = 1;
3735                 screen1->lcdc_id = 1;
3736                 dev_drv->screen1 = screen1;
3737         }
3738         sprintf(dev_drv->name, "lcdc%d", dev_drv->id);
3739         init_lcdc_win(dev_drv, def_win);
3740         init_completion(&dev_drv->frame_done);
3741         spin_lock_init(&dev_drv->cpl_lock);
3742         mutex_init(&dev_drv->fb_win_id_mutex);
3743         dev_drv->ops->fb_win_remap(dev_drv, dev_drv->fb_win_map);
3744         dev_drv->first_frame = 1;
3745         dev_drv->overscan.left = 100;
3746         dev_drv->overscan.top = 100;
3747         dev_drv->overscan.right = 100;
3748         dev_drv->overscan.bottom = 100;
3749         rk_disp_pwr_ctr_parse_dt(dev_drv);
3750         if (dev_drv->prop == PRMRY) {
3751                 if (dev_drv->ops->set_dsp_cabc)
3752                         dev_drv->ops->set_dsp_cabc(dev_drv, dev_drv->cabc_mode);
3753                 rk_fb_set_prmry_screen(screen);
3754                 rk_fb_get_prmry_screen(screen);
3755         }
3756         dev_drv->trsm_ops = rk_fb_trsm_ops_get(screen->type);
3757         if (dev_drv->prop != PRMRY)
3758                 rk_fb_get_prmry_screen(screen);
3759         dev_drv->output_color = screen->color_mode;
3760
3761         return 0;
3762 }
3763
3764 #ifdef CONFIG_LOGO_LINUX_BMP
3765 static struct linux_logo *bmp_logo;
3766 static int fb_prewine_bmp_logo(struct fb_info *info, int rotate)
3767 {
3768         bmp_logo = fb_find_logo(24);
3769         if (bmp_logo == NULL) {
3770                 printk(KERN_INFO "%s error\n", __func__);
3771                 return 0;
3772         }
3773         return 1;
3774 }
3775
3776 static void fb_show_bmp_logo(struct fb_info *info, int rotate)
3777 {
3778         unsigned char *src = bmp_logo->data;
3779         unsigned char *dst = info->screen_base;
3780         int i;
3781         unsigned int Needwidth = (*(src - 24) << 8) | (*(src - 23));
3782         unsigned int Needheight = (*(src - 22) << 8) | (*(src - 21));
3783
3784         for (i = 0; i < Needheight; i++)
3785                 memcpy(dst + info->var.xres * i * 4,
3786                        src + bmp_logo->width * i * 4, Needwidth * 4);
3787 }
3788 #endif
3789
3790 /*
3791  * check if the primary lcdc has registerd,
3792  * the primary lcdc mas register first
3793  */
3794 bool is_prmry_rk_lcdc_registered(void)
3795 {
3796         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3797
3798         if (rk_fb->lcdc_dev_drv[0])
3799                 return true;
3800         else
3801                 return false;
3802 }
3803
3804 int rk_fb_register(struct rk_lcdc_driver *dev_drv,
3805                    struct rk_lcdc_win *win, int id)
3806 {
3807         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3808         struct fb_info *fbi;
3809         int i = 0, ret = 0, index = 0;
3810 /*
3811 #if defined(CONFIG_ROCKCHIP_IOMMU)
3812         struct device *mmu_dev = NULL;
3813 #endif
3814 */
3815         if (rk_fb->num_lcdc == RK30_MAX_LCDC_SUPPORT)
3816                 return -ENXIO;
3817
3818         for (i = 0; i < RK30_MAX_LCDC_SUPPORT; i++) {
3819                 if (!rk_fb->lcdc_dev_drv[i]) {
3820                         rk_fb->lcdc_dev_drv[i] = dev_drv;
3821                         rk_fb->lcdc_dev_drv[i]->id = id;
3822                         rk_fb->num_lcdc++;
3823                         break;
3824                 }
3825         }
3826
3827         index = i;
3828         init_lcdc_device_driver(rk_fb, win, index);
3829         dev_drv->fb_index_base = rk_fb->num_fb;
3830         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3831                 fbi = framebuffer_alloc(0, &fb_pdev->dev);
3832                 if (!fbi) {
3833                         dev_err(&fb_pdev->dev, "fb framebuffer_alloc fail!");
3834                         ret = -ENOMEM;
3835                 }
3836                 fbi->par = dev_drv;
3837                 fbi->var = def_var;
3838                 fbi->fix = def_fix;
3839                 sprintf(fbi->fix.id, "fb%d", rk_fb->num_fb);
3840                 fb_videomode_to_var(&fbi->var, &dev_drv->cur_screen->mode);
3841                 fbi->var.grayscale |=
3842                     (fbi->var.xres << 8) + (fbi->var.yres << 20);
3843 #if defined(CONFIG_LOGO_LINUX_BMP)
3844                 fbi->var.bits_per_pixel = 32;
3845 #else
3846                 fbi->var.bits_per_pixel = 16;
3847 #endif
3848                 fbi->fix.line_length =
3849                     (fbi->var.xres_virtual) * (fbi->var.bits_per_pixel >> 3);
3850                 fbi->var.width = dev_drv->cur_screen->width;
3851                 fbi->var.height = dev_drv->cur_screen->height;
3852                 fbi->var.pixclock = dev_drv->pixclock;
3853                 if (dev_drv->iommu_enabled)
3854                         fb_ops.fb_mmap = rk_fb_mmap;
3855                 fbi->fbops = &fb_ops;
3856                 fbi->flags = FBINFO_FLAG_DEFAULT;
3857                 fbi->pseudo_palette = dev_drv->win[i]->pseudo_pal;
3858                 ret = register_framebuffer(fbi);
3859                 if (ret < 0) {
3860                         dev_err(&fb_pdev->dev,
3861                                 "%s fb%d register_framebuffer fail!\n",
3862                                 __func__, rk_fb->num_fb);
3863                         return ret;
3864                 }
3865                 rkfb_create_sysfs(fbi);
3866                 rk_fb->fb[rk_fb->num_fb] = fbi;
3867                 dev_info(fbi->dev, "rockchip framebuffer registerd:%s\n",
3868                          fbi->fix.id);
3869                 rk_fb->num_fb++;
3870
3871                 if (i == 0) {
3872                         init_waitqueue_head(&dev_drv->vsync_info.wait);
3873                         init_waitqueue_head(&dev_drv->update_regs_wait);
3874                         ret = device_create_file(fbi->dev, &dev_attr_vsync);
3875                         if (ret)
3876                                 dev_err(fbi->dev,
3877                                         "failed to create vsync file\n");
3878                         dev_drv->vsync_info.thread =
3879                             kthread_run(rk_fb_wait_for_vsync_thread, dev_drv,
3880                                         "fb-vsync");
3881                         if (dev_drv->vsync_info.thread == ERR_PTR(-ENOMEM)) {
3882                                 dev_err(fbi->dev,
3883                                         "failed to run vsync thread\n");
3884                                 dev_drv->vsync_info.thread = NULL;
3885                         }
3886                         dev_drv->vsync_info.active = 1;
3887
3888                         mutex_init(&dev_drv->output_lock);
3889
3890                         INIT_LIST_HEAD(&dev_drv->update_regs_list);
3891                         mutex_init(&dev_drv->update_regs_list_lock);
3892                         init_kthread_worker(&dev_drv->update_regs_worker);
3893
3894                         dev_drv->update_regs_thread =
3895                             kthread_run(kthread_worker_fn,
3896                                         &dev_drv->update_regs_worker, "rk-fb");
3897                         if (IS_ERR(dev_drv->update_regs_thread)) {
3898                                 int err = PTR_ERR(dev_drv->update_regs_thread);
3899                                 dev_drv->update_regs_thread = NULL;
3900
3901                                 printk("failed to run update_regs thread\n");
3902                                 return err;
3903                         }
3904                         init_kthread_work(&dev_drv->update_regs_work,
3905                                           rk_fb_update_regs_handler);
3906
3907                         dev_drv->timeline =
3908                             sw_sync_timeline_create("fb-timeline");
3909                         dev_drv->timeline_max = 1;
3910                 }
3911         }
3912
3913         /* show logo for primary display device */
3914 #if !defined(CONFIG_FRAMEBUFFER_CONSOLE) && defined(CONFIG_LOGO)
3915         if (dev_drv->prop == PRMRY) {
3916                 struct fb_info *main_fbi = rk_fb->fb[0];
3917                 main_fbi->fbops->fb_open(main_fbi, 1);
3918
3919 #if defined(CONFIG_ROCKCHIP_IOMMU)
3920                 if (dev_drv->iommu_enabled) {
3921                         if (dev_drv->mmu_dev)
3922                                 rockchip_iovmm_set_fault_handler(dev_drv->dev,
3923                                                 rk_fb_sysmmu_fault_handler);
3924                 }
3925 #endif
3926
3927                 rk_fb_alloc_buffer(main_fbi, 0);        /* only alloc memory for main fb */
3928                 dev_drv->uboot_logo = support_uboot_display();
3929                 if (support_uboot_display()) {
3930                         /*if (dev_drv->iommu_enabled)
3931                                 rk_fb_copy_from_loader(main_fbi);*/
3932                         return 0;
3933                 }
3934                 main_fbi->fbops->fb_set_par(main_fbi);
3935 #if  defined(CONFIG_LOGO_LINUX_BMP)
3936                 if (fb_prewine_bmp_logo(main_fbi, FB_ROTATE_UR)) {
3937                         fb_set_cmap(&main_fbi->cmap, main_fbi);
3938                         fb_show_bmp_logo(main_fbi, FB_ROTATE_UR);
3939                 }
3940 #else
3941                 if (fb_prepare_logo(main_fbi, FB_ROTATE_UR)) {
3942                         fb_set_cmap(&main_fbi->cmap, main_fbi);
3943                         fb_show_logo(main_fbi, FB_ROTATE_UR);
3944                 }
3945 #endif
3946                 main_fbi->fbops->fb_pan_display(&main_fbi->var, main_fbi);
3947         } else {
3948                 struct fb_info *extend_fbi = rk_fb->fb[rk_fb->num_fb >> 1];
3949                 int extend_fb_id = get_extend_fb_id(extend_fbi);
3950
3951                 rk_fb_alloc_buffer(extend_fbi, extend_fb_id);
3952         }
3953 #endif
3954         return 0;
3955 }
3956
3957 int rk_fb_unregister(struct rk_lcdc_driver *dev_drv)
3958 {
3959         struct rk_fb *fb_inf = platform_get_drvdata(fb_pdev);
3960         struct fb_info *fbi;
3961         int fb_index_base = dev_drv->fb_index_base;
3962         int fb_num = dev_drv->lcdc_win_num;
3963         int i = 0;
3964
3965         if (fb_inf->lcdc_dev_drv[i]->vsync_info.thread) {
3966                 fb_inf->lcdc_dev_drv[i]->vsync_info.irq_stop = 1;
3967                 kthread_stop(fb_inf->lcdc_dev_drv[i]->vsync_info.thread);
3968         }
3969
3970         for (i = 0; i < fb_num; i++)
3971                 kfree(dev_drv->win[i]);
3972
3973         for (i = fb_index_base; i < (fb_index_base + fb_num); i++) {
3974                 fbi = fb_inf->fb[i];
3975                 unregister_framebuffer(fbi);
3976                 /* rk_release_fb_buffer(fbi); */
3977                 framebuffer_release(fbi);
3978         }
3979         fb_inf->lcdc_dev_drv[dev_drv->id] = NULL;
3980         fb_inf->num_lcdc--;
3981
3982         return 0;
3983 }
3984
3985 static int rk_fb_probe(struct platform_device *pdev)
3986 {
3987         struct rk_fb *rk_fb = NULL;
3988         struct device_node *np = pdev->dev.of_node;
3989         u32 mode;
3990
3991         if (!np) {
3992                 dev_err(&pdev->dev, "Missing device tree node.\n");
3993                 return -EINVAL;
3994         }
3995
3996         rk_fb = devm_kzalloc(&pdev->dev, sizeof(struct rk_fb), GFP_KERNEL);
3997         if (!rk_fb) {
3998                 dev_err(&pdev->dev, "kmalloc for rk fb fail!");
3999                 return -ENOMEM;
4000         }
4001         platform_set_drvdata(pdev, rk_fb);
4002
4003         if (!of_property_read_u32(np, "rockchip,disp-mode", &mode)) {
4004                 rk_fb->disp_mode = mode;
4005
4006         } else {
4007                 dev_err(&pdev->dev, "no disp-mode node found!");
4008                 return -ENODEV;
4009         }
4010
4011         if (!of_property_read_u32(np, "rockchip,uboot-logo-on", &uboot_logo_on))
4012                 printk(KERN_DEBUG "uboot-logo-on:%d\n", uboot_logo_on);
4013
4014         dev_set_name(&pdev->dev, "rockchip-fb");
4015 #if defined(CONFIG_ION_ROCKCHIP)
4016         rk_fb->ion_client = rockchip_ion_client_create("rk_fb");
4017         if (IS_ERR(rk_fb->ion_client)) {
4018                 dev_err(&pdev->dev, "failed to create ion client for rk fb");
4019                 return PTR_ERR(rk_fb->ion_client);
4020         } else {
4021                 dev_info(&pdev->dev, "rk fb ion client create success!\n");
4022         }
4023 #endif
4024
4025         fb_pdev = pdev;
4026         dev_info(&pdev->dev, "rockchip framebuffer driver probe\n");
4027         return 0;
4028 }
4029
4030 static int rk_fb_remove(struct platform_device *pdev)
4031 {
4032         struct rk_fb *rk_fb = platform_get_drvdata(pdev);
4033
4034         kfree(rk_fb);
4035         platform_set_drvdata(pdev, NULL);
4036         return 0;
4037 }
4038
4039 static void rk_fb_shutdown(struct platform_device *pdev)
4040 {
4041         struct rk_fb *rk_fb = platform_get_drvdata(pdev);
4042         int i;
4043
4044         for (i = 0; i < rk_fb->num_lcdc; i++) {
4045                 if (!rk_fb->lcdc_dev_drv[i])
4046                         continue;
4047         }
4048 }
4049
4050 static const struct of_device_id rkfb_dt_ids[] = {
4051         {.compatible = "rockchip,rk-fb",},
4052         {}
4053 };
4054
4055 static struct platform_driver rk_fb_driver = {
4056         .probe = rk_fb_probe,
4057         .remove = rk_fb_remove,
4058         .driver = {
4059                    .name = "rk-fb",
4060                    .owner = THIS_MODULE,
4061                    .of_match_table = of_match_ptr(rkfb_dt_ids),
4062                    },
4063         .shutdown = rk_fb_shutdown,
4064 };
4065
4066 static int __init rk_fb_init(void)
4067 {
4068         return platform_driver_register(&rk_fb_driver);
4069 }
4070
4071 static void __exit rk_fb_exit(void)
4072 {
4073         platform_driver_unregister(&rk_fb_driver);
4074 }
4075
4076 fs_initcall(rk_fb_init);
4077 module_exit(rk_fb_exit);