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 #include <linux/regulator/consumer.h>
  33
  34 #if defined(CONFIG_RK_HDMI)
  35 #include "hdmi/rk_hdmi.h"
  36 #endif
  37
  38 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
  39 #include "rga/rga.h"
  40 #endif
  41
  42 #ifdef CONFIG_OF
  43 #include <linux/of.h>
  44 #include <linux/of_platform.h>
  45 #include <linux/of_gpio.h>
  46 #include <video/of_display_timing.h>
  47 #include <video/display_timing.h>
  48 #include <dt-bindings/rkfb/rk_fb.h>
  49 #endif
  50
  51 #if defined(CONFIG_ION_ROCKCHIP)
  52 #include <linux/rockchip_ion.h>
  53 #include <linux/rockchip-iovmm.h>
  54 #include <linux/dma-buf.h>
  55 #include <linux/highmem.h>
  56 #endif
  57
  58 #define H_USE_FENCE 1
  59 static int hdmi_switch_complete;
  60 static struct platform_device *fb_pdev;
  61 struct list_head saved_list;
  62
  63 #if defined(CONFIG_FB_MIRRORING)
  64 int (*video_data_to_mirroring) (struct fb_info *info, u32 yuv_phy[2]);
  65 EXPORT_SYMBOL(video_data_to_mirroring);
  66 #endif
  67
  68 static struct rk_fb_trsm_ops *trsm_lvds_ops;
  69 static struct rk_fb_trsm_ops *trsm_edp_ops;
  70 static struct rk_fb_trsm_ops *trsm_mipi_ops;
  71 static int uboot_logo_on;
  72 int support_uboot_display(void)
  73 {
  74         return uboot_logo_on;
  75 }
  76
  77 int rk_fb_get_display_policy(void)
  78 {
  79         struct rk_fb *rk_fb;
  80
  81         if (fb_pdev) {
  82                 rk_fb = platform_get_drvdata(fb_pdev);
  83                 return rk_fb->disp_policy;
  84         } else {
  85                 return DISPLAY_POLICY_SDK;
  86         }
  87 }
  88
  89 int rk_fb_trsm_ops_register(struct rk_fb_trsm_ops *ops, int type)
  90 {
  91         switch (type) {
  92         case SCREEN_RGB:
  93         case SCREEN_LVDS:
  94         case SCREEN_DUAL_LVDS:
  95                 trsm_lvds_ops = ops;
  96                 break;
  97         case SCREEN_EDP:
  98                 trsm_edp_ops = ops;
  99                 break;
 100         case SCREEN_MIPI:
 101         case SCREEN_DUAL_MIPI:
 102                 trsm_mipi_ops = ops;
 103                 break;
 104         default:
 105                 printk(KERN_WARNING "%s:un supported transmitter:%d!\n",
 106                        __func__, type);
 107                 break;
 108         }
 109         return 0;
 110 }
 111
 112 struct rk_fb_trsm_ops *rk_fb_trsm_ops_get(int type)
 113 {
 114         struct rk_fb_trsm_ops *ops;
 115         switch (type) {
 116         case SCREEN_RGB:
 117         case SCREEN_LVDS:
 118         case SCREEN_DUAL_LVDS:
 119                 ops = trsm_lvds_ops;
 120                 break;
 121         case SCREEN_EDP:
 122                 ops = trsm_edp_ops;
 123                 break;
 124         case SCREEN_MIPI:
 125         case SCREEN_DUAL_MIPI:
 126                 ops = trsm_mipi_ops;
 127                 break;
 128         default:
 129                 ops = NULL;
 130                 printk(KERN_WARNING "%s:un supported transmitter:%d!\n",
 131                        __func__, type);
 132                 break;
 133         }
 134         return ops;
 135 }
 136
 137 int rk_fb_pixel_width(int data_format)
 138 {
 139         int pixel_width;
 140         switch (data_format) {
 141         case XBGR888:
 142         case ABGR888:
 143         case ARGB888:
 144                 pixel_width = 4 * 8;
 145                 break;
 146         case RGB888:
 147                 pixel_width = 3 * 8;
 148                 break;
 149         case RGB565:
 150                 pixel_width = 2 * 8;
 151                 break;
 152         case YUV422:
 153         case YUV420:
 154         case YUV444:
 155                 pixel_width = 1 * 8;
 156                 break;
 157         case YUV422_A:
 158         case YUV420_A:
 159         case YUV444_A:
 160                 pixel_width = 8;
 161                 break;
 162         default:
 163                 printk(KERN_WARNING "%s:un supported format:0x%x\n",
 164                        __func__, data_format);
 165                 return -EINVAL;
 166         }
 167         return pixel_width;
 168 }
 169
 170 static int rk_fb_data_fmt(int data_format, int bits_per_pixel)
 171 {
 172         int fb_data_fmt;
 173         if (data_format) {
 174                 switch (data_format) {
 175                 case HAL_PIXEL_FORMAT_RGBX_8888:
 176                         fb_data_fmt = XBGR888;
 177                         break;
 178                 case HAL_PIXEL_FORMAT_RGBA_8888:
 179                         fb_data_fmt = ABGR888;
 180                         break;
 181                 case HAL_PIXEL_FORMAT_BGRA_8888:
 182                         fb_data_fmt = ARGB888;
 183                         break;
 184                 case HAL_PIXEL_FORMAT_RGB_888:
 185                         fb_data_fmt = RGB888;
 186                         break;
 187                 case HAL_PIXEL_FORMAT_RGB_565:
 188                         fb_data_fmt = RGB565;
 189                         break;
 190                 case HAL_PIXEL_FORMAT_YCbCr_422_SP:     /* yuv422 */
 191                         fb_data_fmt = YUV422;
 192                         break;
 193                 case HAL_PIXEL_FORMAT_YCrCb_NV12:       /* YUV420---uvuvuv */
 194                         fb_data_fmt = YUV420;
 195                         break;
 196                 case HAL_PIXEL_FORMAT_YCrCb_444:        /* yuv444 */
 197                         fb_data_fmt = YUV444;
 198                         break;
 199                 case HAL_PIXEL_FORMAT_YCrCb_NV12_10:    /* yuv444 */
 200                         fb_data_fmt = YUV420_A;
 201                         break;
 202                 case HAL_PIXEL_FORMAT_YCbCr_422_SP_10:  /* yuv444 */
 203                         fb_data_fmt = YUV422_A;
 204                         break;
 205                 case HAL_PIXEL_FORMAT_YCrCb_420_SP_10:  /* yuv444 */
 206                         fb_data_fmt = YUV444_A;
 207                         break;
 208                 default:
 209                         printk(KERN_WARNING "%s:un supported format:0x%x\n",
 210                                __func__, data_format);
 211                         return -EINVAL;
 212                 }
 213         } else {
 214                 switch (bits_per_pixel) {
 215                 case 32:
 216                         fb_data_fmt = ARGB888;
 217                         break;
 218                 case 16:
 219                         fb_data_fmt = RGB565;
 220                         break;
 221                 default:
 222                         printk(KERN_WARNING
 223                                "%s:un supported bits_per_pixel:%d\n", __func__,
 224                                bits_per_pixel);
 225                         break;
 226                 }
 227         }
 228         return fb_data_fmt;
 229 }
 230
 231 /*
 232  * rk display power control parse from dts
 233  */
 234 int rk_disp_pwr_ctr_parse_dt(struct rk_lcdc_driver *dev_drv)
 235 {
 236         struct device_node *root = of_get_child_by_name(dev_drv->dev->of_node,
 237                                                         "power_ctr");
 238         struct device_node *child;
 239         struct rk_disp_pwr_ctr_list *pwr_ctr;
 240         struct list_head *pos;
 241         enum of_gpio_flags flags;
 242         u32 val = 0;
 243         u32 debug = 0;
 244         int ret;
 245
 246         INIT_LIST_HEAD(&dev_drv->pwrlist_head);
 247         if (!root) {
 248                 dev_err(dev_drv->dev, "can't find power_ctr node for lcdc%d\n",
 249                         dev_drv->id);
 250                 return -ENODEV;
 251         }
 252
 253         for_each_child_of_node(root, child) {
 254                 pwr_ctr = kmalloc(sizeof(struct rk_disp_pwr_ctr_list),
 255                                   GFP_KERNEL);
 256                 strcpy(pwr_ctr->pwr_ctr.name, child->name);
 257                 if (!of_property_read_u32(child, "rockchip,power_type", &val)) {
 258                         if (val == GPIO) {
 259                                 pwr_ctr->pwr_ctr.type = GPIO;
 260                                 pwr_ctr->pwr_ctr.gpio = of_get_gpio_flags(child, 0, &flags);
 261                                 if (!gpio_is_valid(pwr_ctr->pwr_ctr.gpio)) {
 262                                         dev_err(dev_drv->dev, "%s ivalid gpio\n",
 263                                                 child->name);
 264                                         return -EINVAL;
 265                                 }
 266                                 pwr_ctr->pwr_ctr.atv_val = !(flags & OF_GPIO_ACTIVE_LOW);
 267                                 ret = gpio_request(pwr_ctr->pwr_ctr.gpio,
 268                                                    child->name);
 269                                 if (ret) {
 270                                         dev_err(dev_drv->dev,
 271                                                 "request %s gpio fail:%d\n",
 272                                                 child->name, ret);
 273                                 }
 274
 275                         } else {
 276                                 pwr_ctr->pwr_ctr.type = REGULATOR;
 277                                 pwr_ctr->pwr_ctr.rgl_name = NULL;
 278                                 ret = of_property_read_string(child, "rockchip,regulator_name",
 279                                                              &(pwr_ctr->pwr_ctr.rgl_name));
 280                                 if (ret || IS_ERR_OR_NULL(pwr_ctr->pwr_ctr.rgl_name))
 281                                         dev_err(dev_drv->dev, "get regulator name failed!\n");
 282                                 if (!of_property_read_u32(child, "rockchip,regulator_voltage", &val))
 283                                         pwr_ctr->pwr_ctr.volt = val;
 284                                 else
 285                                         pwr_ctr->pwr_ctr.volt = 0;
 286                         }
 287                 };
 288
 289                 if (!of_property_read_u32(child, "rockchip,delay", &val))
 290                         pwr_ctr->pwr_ctr.delay = val;
 291                 else
 292                         pwr_ctr->pwr_ctr.delay = 0;
 293                 list_add_tail(&pwr_ctr->list, &dev_drv->pwrlist_head);
 294         }
 295
 296         of_property_read_u32(root, "rockchip,debug", &debug);
 297
 298         if (debug) {
 299                 list_for_each(pos, &dev_drv->pwrlist_head) {
 300                         pwr_ctr = list_entry(pos, struct rk_disp_pwr_ctr_list,
 301                                              list);
 302                         printk(KERN_INFO "pwr_ctr_name:%s\n"
 303                                "pwr_type:%s\n"
 304                                "gpio:%d\n"
 305                                "atv_val:%d\n"
 306                                "delay:%d\n\n",
 307                                pwr_ctr->pwr_ctr.name,
 308                                (pwr_ctr->pwr_ctr.type == GPIO) ? "gpio" : "regulator",
 309                                pwr_ctr->pwr_ctr.gpio,
 310                                pwr_ctr->pwr_ctr.atv_val,
 311                                pwr_ctr->pwr_ctr.delay);
 312                 }
 313         }
 314
 315         return 0;
 316
 317 }
 318
 319 int rk_disp_pwr_enable(struct rk_lcdc_driver *dev_drv)
 320 {
 321         struct list_head *pos;
 322         struct rk_disp_pwr_ctr_list *pwr_ctr_list;
 323         struct pwr_ctr *pwr_ctr;
 324         struct regulator *regulator_lcd = NULL;
 325         int count = 10;
 326
 327         if (list_empty(&dev_drv->pwrlist_head))
 328                 return 0;
 329         list_for_each(pos, &dev_drv->pwrlist_head) {
 330                 pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list,
 331                                           list);
 332                 pwr_ctr = &pwr_ctr_list->pwr_ctr;
 333                 if (pwr_ctr->type == GPIO) {
 334                         gpio_direction_output(pwr_ctr->gpio, pwr_ctr->atv_val);
 335                         mdelay(pwr_ctr->delay);
 336                 } else if (pwr_ctr->type == REGULATOR) {
 337                         if (pwr_ctr->rgl_name)
 338                                 regulator_lcd = regulator_get(NULL, pwr_ctr->rgl_name);
 339                         if (regulator_lcd == NULL) {
 340                                 dev_err(dev_drv->dev,
 341                                         "%s: regulator get failed,regulator name:%s\n",
 342                                         __func__, pwr_ctr->rgl_name);
 343                                 continue;
 344                         }
 345                         regulator_set_voltage(regulator_lcd, pwr_ctr->volt, pwr_ctr->volt);
 346                         while (!regulator_is_enabled(regulator_lcd)) {
 347                                 if (regulator_enable(regulator_lcd) == 0 || count == 0)
 348                                         break;
 349                                 else
 350                                         dev_err(dev_drv->dev,
 351                                                 "regulator_enable failed,count=%d\n",
 352                                                 count);
 353                                 count--;
 354                         }
 355                         regulator_put(regulator_lcd);
 356                         msleep(pwr_ctr->delay);
 357                 }
 358         }
 359
 360         return 0;
 361 }
 362
 363 int rk_disp_pwr_disable(struct rk_lcdc_driver *dev_drv)
 364 {
 365         struct list_head *pos;
 366         struct rk_disp_pwr_ctr_list *pwr_ctr_list;
 367         struct pwr_ctr *pwr_ctr;
 368         struct regulator *regulator_lcd = NULL;
 369         int count = 10;
 370
 371         if (list_empty(&dev_drv->pwrlist_head))
 372                 return 0;
 373         list_for_each(pos, &dev_drv->pwrlist_head) {
 374                 pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list,
 375                                           list);
 376                 pwr_ctr = &pwr_ctr_list->pwr_ctr;
 377                 if (pwr_ctr->type == GPIO) {
 378                         gpio_set_value(pwr_ctr->gpio, !pwr_ctr->atv_val);
 379                 } else if (pwr_ctr->type == REGULATOR) {
 380                         if (pwr_ctr->rgl_name)
 381                                 regulator_lcd = regulator_get(NULL, pwr_ctr->rgl_name);
 382                         if (regulator_lcd == NULL) {
 383                                 dev_err(dev_drv->dev,
 384                                         "%s: regulator get failed,regulator name:%s\n",
 385                                         __func__, pwr_ctr->rgl_name);
 386                                 continue;
 387                         }
 388                         while (regulator_is_enabled(regulator_lcd) > 0) {
 389                                 if (regulator_disable(regulator_lcd) == 0 || count == 0)
 390                                         break;
 391                                 else
 392                                         dev_err(dev_drv->dev,
 393                                                 "regulator_disable failed,count=%d\n",
 394                                                 count);
 395                                 count--;
 396                         }
 397                         regulator_put(regulator_lcd);
 398                 }
 399         }
 400         return 0;
 401 }
 402
 403 int rk_fb_video_mode_from_timing(const struct display_timing *dt,
 404                                  struct rk_screen *screen)
 405 {
 406         screen->mode.pixclock = dt->pixelclock.typ;
 407         screen->mode.left_margin = dt->hback_porch.typ;
 408         screen->mode.right_margin = dt->hfront_porch.typ;
 409         screen->mode.xres = dt->hactive.typ;
 410         screen->mode.hsync_len = dt->hsync_len.typ;
 411         screen->mode.upper_margin = dt->vback_porch.typ;
 412         screen->mode.lower_margin = dt->vfront_porch.typ;
 413         screen->mode.yres = dt->vactive.typ;
 414         screen->mode.vsync_len = dt->vsync_len.typ;
 415         screen->type = dt->screen_type;
 416         screen->lvds_format = dt->lvds_format;
 417         screen->face = dt->face;
 418         screen->color_mode = dt->color_mode;
 419         screen->dsp_lut = dt->dsp_lut;
 420
 421         if (dt->flags & DISPLAY_FLAGS_PIXDATA_POSEDGE)
 422                 screen->pin_dclk = 1;
 423         else
 424                 screen->pin_dclk = 0;
 425         if (dt->flags & DISPLAY_FLAGS_HSYNC_HIGH)
 426                 screen->pin_hsync = 1;
 427         else
 428                 screen->pin_hsync = 0;
 429         if (dt->flags & DISPLAY_FLAGS_VSYNC_HIGH)
 430                 screen->pin_vsync = 1;
 431         else
 432                 screen->pin_vsync = 0;
 433         if (dt->flags & DISPLAY_FLAGS_DE_HIGH)
 434                 screen->pin_den = 1;
 435         else
 436                 screen->pin_den = 0;
 437
 438         return 0;
 439
 440 }
 441
 442 int rk_fb_prase_timing_dt(struct device_node *np, struct rk_screen *screen)
 443 {
 444         struct display_timings *disp_timing;
 445         struct display_timing *dt;
 446         disp_timing = of_get_display_timings(np);
 447         if (!disp_timing) {
 448                 pr_err("parse display timing err\n");
 449                 return -EINVAL;
 450         }
 451         dt = display_timings_get(disp_timing, disp_timing->native_mode);
 452         rk_fb_video_mode_from_timing(dt, screen);
 453         return 0;
 454
 455 }
 456
 457 int rk_fb_calc_fps(struct rk_screen *screen, u32 pixclock)
 458 {
 459         int x, y;
 460         unsigned long long hz;
 461         if (!screen) {
 462                 printk(KERN_ERR "%s:null screen!\n", __func__);
 463                 return 0;
 464         }
 465         x = screen->mode.xres + screen->mode.left_margin +
 466             screen->mode.right_margin + screen->mode.hsync_len;
 467         y = screen->mode.yres + screen->mode.upper_margin +
 468             screen->mode.lower_margin + screen->mode.vsync_len;
 469
 470         hz = 1000000000000ULL;  /* 1e12 picoseconds per second */
 471
 472         hz += (x * y) / 2;
 473         do_div(hz, x * y);      /* divide by x * y with rounding */
 474
 475         hz += pixclock / 2;
 476         do_div(hz, pixclock);   /* divide by pixclock with rounding */
 477
 478         return hz;
 479 }
 480
 481 char *get_format_string(enum data_format format, char *fmt)
 482 {
 483         if (!fmt)
 484                 return NULL;
 485         switch (format) {
 486         case ARGB888:
 487                 strcpy(fmt, "ARGB888");
 488                 break;
 489         case RGB888:
 490                 strcpy(fmt, "RGB888");
 491                 break;
 492         case RGB565:
 493                 strcpy(fmt, "RGB565");
 494                 break;
 495         case YUV420:
 496                 strcpy(fmt, "YUV420");
 497                 break;
 498         case YUV422:
 499                 strcpy(fmt, "YUV422");
 500                 break;
 501         case YUV444:
 502                 strcpy(fmt, "YUV444");
 503                 break;
 504         case YUV420_A:
 505                 strcpy(fmt, "YUV420_A");
 506                 break;
 507         case YUV422_A:
 508                 strcpy(fmt, "YUV422_A");
 509                 break;
 510         case YUV444_A:
 511                 strcpy(fmt, "YUV444_A");
 512                 break;
 513         case XRGB888:
 514                 strcpy(fmt, "XRGB888");
 515                 break;
 516         case XBGR888:
 517                 strcpy(fmt, "XBGR888");
 518                 break;
 519         case ABGR888:
 520                 strcpy(fmt, "ABGR888");
 521                 break;
 522         default:
 523                 strcpy(fmt, "invalid");
 524                 break;
 525         }
 526
 527         return fmt;
 528
 529 }
 530
 531 /*
 532  * this is for hdmi
 533  * name: lcdc device name ,lcdc0 , lcdc1
 534  */
 535 struct rk_lcdc_driver *rk_get_lcdc_drv(char *name)
 536 {
 537         struct rk_fb *inf = NULL;
 538         struct rk_lcdc_driver *dev_drv = NULL;
 539         int i = 0;
 540
 541         if (likely(fb_pdev))
 542                 inf = platform_get_drvdata(fb_pdev);
 543         else
 544                 return NULL;
 545
 546         for (i = 0; i < inf->num_lcdc; i++) {
 547                 if (!strcmp(inf->lcdc_dev_drv[i]->name, name)) {
 548                         dev_drv = inf->lcdc_dev_drv[i];
 549                         break;
 550                 }
 551         }
 552
 553         return dev_drv;
 554 }
 555
 556 static struct rk_lcdc_driver *rk_get_prmry_lcdc_drv(void)
 557 {
 558         struct rk_fb *inf = NULL;
 559         struct rk_lcdc_driver *dev_drv = NULL;
 560         int i = 0;
 561
 562         if (likely(fb_pdev))
 563                 inf = platform_get_drvdata(fb_pdev);
 564         else
 565                 return NULL;
 566
 567         for (i = 0; i < inf->num_lcdc; i++) {
 568                 if (inf->lcdc_dev_drv[i]->prop == PRMRY) {
 569                         dev_drv = inf->lcdc_dev_drv[i];
 570                         break;
 571                 }
 572         }
 573
 574         return dev_drv;
 575 }
 576
 577 /*
 578  * get one frame time of the prmry screen, unit: us
 579  */
 580 u32 rk_fb_get_prmry_screen_ft(void)
 581 {
 582         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 583         uint32_t htotal, vtotal, pixclock_ps;
 584         u64 pix_total, ft_us;
 585
 586         if (unlikely(!dev_drv))
 587                 return 0;
 588
 589         pixclock_ps = dev_drv->pixclock;
 590
 591         vtotal = (dev_drv->cur_screen->mode.upper_margin +
 592                  dev_drv->cur_screen->mode.lower_margin +
 593                  dev_drv->cur_screen->mode.yres +
 594                  dev_drv->cur_screen->mode.vsync_len);
 595         htotal = (dev_drv->cur_screen->mode.left_margin +
 596                  dev_drv->cur_screen->mode.right_margin +
 597                  dev_drv->cur_screen->mode.xres +
 598                  dev_drv->cur_screen->mode.hsync_len);
 599         pix_total = htotal * vtotal;
 600         ft_us = pix_total * pixclock_ps;
 601         do_div(ft_us, 1000000);
 602         if (dev_drv->frame_time.ft == 0)
 603                 dev_drv->frame_time.ft = ft_us;
 604
 605         ft_us = dev_drv->frame_time.framedone_t - dev_drv->frame_time.last_framedone_t;
 606         do_div(ft_us, 1000);
 607         ft_us = min(dev_drv->frame_time.ft, (u32)ft_us);
 608         if (ft_us != 0)
 609                 dev_drv->frame_time.ft = ft_us;
 610
 611         return dev_drv->frame_time.ft;
 612 }
 613
 614 /*
 615  * get the vblanking time of the prmry screen, unit: us
 616  */
 617 u32 rk_fb_get_prmry_screen_vbt(void)
 618 {
 619         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 620         uint32_t htotal, vblank, pixclock_ps;
 621         u64 pix_blank, vbt_us;
 622
 623         if (unlikely(!dev_drv))
 624                 return 0;
 625
 626         pixclock_ps = dev_drv->pixclock;
 627
 628         htotal = (dev_drv->cur_screen->mode.left_margin +
 629                  dev_drv->cur_screen->mode.right_margin +
 630                  dev_drv->cur_screen->mode.xres +
 631                  dev_drv->cur_screen->mode.hsync_len);
 632         vblank = (dev_drv->cur_screen->mode.upper_margin +
 633                  dev_drv->cur_screen->mode.lower_margin +
 634                  dev_drv->cur_screen->mode.vsync_len);
 635         pix_blank = htotal * vblank;
 636         vbt_us = pix_blank * pixclock_ps;
 637         do_div(vbt_us, 1000000);
 638         return (u32)vbt_us;
 639 }
 640
 641 /*
 642  * get the frame done time of the prmry screen, unit: us
 643  */
 644 u64 rk_fb_get_prmry_screen_framedone_t(void)
 645 {
 646         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 647
 648         if (unlikely(!dev_drv))
 649                 return 0;
 650         else
 651                 return dev_drv->frame_time.framedone_t;
 652 }
 653
 654 /*
 655  * set prmry screen status
 656  */
 657 int rk_fb_set_prmry_screen_status(int status)
 658 {
 659         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 660         struct rk_screen *screen;
 661
 662         if (unlikely(!dev_drv))
 663                 return 0;
 664
 665         screen = dev_drv->cur_screen;
 666         switch (status) {
 667         case SCREEN_PREPARE_DDR_CHANGE:
 668                 if (screen->type == SCREEN_MIPI
 669                         || screen->type == SCREEN_DUAL_MIPI) {
 670                         if (dev_drv->trsm_ops->dsp_pwr_off)
 671                                 dev_drv->trsm_ops->dsp_pwr_off();
 672                 }
 673                 break;
 674         case SCREEN_UNPREPARE_DDR_CHANGE:
 675                 if (screen->type == SCREEN_MIPI
 676                         || screen->type == SCREEN_DUAL_MIPI) {
 677                         if (dev_drv->trsm_ops->dsp_pwr_on)
 678                                 dev_drv->trsm_ops->dsp_pwr_on();
 679                 }
 680                 break;
 681         default:
 682                 break;
 683         }
 684
 685         return 0;
 686 }
 687
 688 static struct rk_lcdc_driver *rk_get_extend_lcdc_drv(void)
 689 {
 690         struct rk_fb *inf = NULL;
 691         struct rk_lcdc_driver *dev_drv = NULL;
 692         int i = 0;
 693
 694         if (likely(fb_pdev))
 695                 inf = platform_get_drvdata(fb_pdev);
 696         else
 697                 return NULL;
 698
 699         for (i = 0; i < inf->num_lcdc; i++) {
 700                 if (inf->lcdc_dev_drv[i]->prop == EXTEND) {
 701                         dev_drv = inf->lcdc_dev_drv[i];
 702                         break;
 703                 }
 704         }
 705
 706         return dev_drv;
 707 }
 708
 709 u32 rk_fb_get_prmry_screen_pixclock(void)
 710 {
 711         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 712
 713         if (unlikely(!dev_drv))
 714                 return 0;
 715         else
 716                 return dev_drv->pixclock;
 717 }
 718
 719 int rk_fb_poll_prmry_screen_vblank(void)
 720 {
 721         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 722
 723         if (likely(dev_drv)) {
 724                 if (dev_drv->ops->poll_vblank)
 725                         return dev_drv->ops->poll_vblank(dev_drv);
 726                 else
 727                         return RK_LF_STATUS_NC;
 728         } else {
 729                 return RK_LF_STATUS_NC;
 730         }
 731 }
 732
 733 bool rk_fb_poll_wait_frame_complete(void)
 734 {
 735         uint32_t timeout = RK_LF_MAX_TIMEOUT;
 736         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 737
 738         if (likely(dev_drv)) {
 739                 if (dev_drv->ops->set_irq_to_cpu)
 740                         dev_drv->ops->set_irq_to_cpu(dev_drv, 0);
 741         }
 742
 743         if (rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_NC) {
 744                 if (likely(dev_drv)) {
 745                         if (dev_drv->ops->set_irq_to_cpu)
 746                                 dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
 747                 }
 748                 return false;
 749         }
 750         while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FR) && --timeout)
 751                 ;
 752         while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FC) && --timeout)
 753                 ;
 754         if (likely(dev_drv)) {
 755                 if (dev_drv->ops->set_irq_to_cpu)
 756                         dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
 757         }
 758
 759         return true;
 760 }
 761
 762
 763 /* rk_fb_get_sysmmu_device_by_compatible()
 764  * @compt: dts device compatible name
 765  * return value: success: pointer to the device inside of platform device
 766  *               fail: NULL
 767  */
 768 struct device *rk_fb_get_sysmmu_device_by_compatible(const char *compt)
 769 {
 770         struct device_node *dn = NULL;
 771         struct platform_device *pd = NULL;
 772         struct device *ret = NULL ;
 773
 774         dn = of_find_compatible_node(NULL, NULL, compt);
 775         if (!dn) {
 776                 printk("can't find device node %s \r\n", compt);
 777                 return NULL;
 778         }
 779
 780         pd = of_find_device_by_node(dn);
 781         if (!pd) {
 782                 printk("can't find platform device in device node %s \r\n", compt);
 783                 return  NULL;
 784         }
 785         ret = &pd->dev;
 786
 787         return ret;
 788 }
 789
 790 #ifdef CONFIG_IOMMU_API
 791 void rk_fb_platform_set_sysmmu(struct device *sysmmu, struct device *dev)
 792 {
 793         dev->archdata.iommu = sysmmu;
 794 }
 795 #else
 796 void rk_fb_platform_set_sysmmu(struct device *sysmmu, struct device *dev)
 797 {
 798
 799 }
 800 #endif
 801
 802 static int rk_fb_open(struct fb_info *info, int user)
 803 {
 804         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
 805         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
 806         int win_id;
 807
 808         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
 809         fb_par->state++;
 810         /* if this win aready opened ,no need to reopen */
 811         if (dev_drv->win[win_id]->state)
 812                 return 0;
 813         else
 814                 dev_drv->ops->open(dev_drv, win_id, 1);
 815         return 0;
 816 }
 817
 818 static int get_extend_fb_id(struct fb_info *info)
 819 {
 820         int fb_id = 0;
 821         char *id = info->fix.id;
 822         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
 823         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
 824
 825         if (!strcmp(id, "fb0"))
 826                 fb_id = 0;
 827         else if (!strcmp(id, "fb1"))
 828                 fb_id = 1;
 829         else if (!strcmp(id, "fb2") && (dev_drv->lcdc_win_num > 2))
 830                 fb_id = 2;
 831         else if (!strcmp(id, "fb3") && (dev_drv->lcdc_win_num > 3))
 832                 fb_id = 3;
 833         return fb_id;
 834 }
 835
 836 static int rk_fb_close(struct fb_info *info, int user)
 837 {
 838         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
 839         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
 840         struct rk_lcdc_win *win = NULL;
 841         int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
 842
 843         if (win_id >= 0) {
 844                 win = dev_drv->win[win_id];
 845                 fb_par->state--;
 846                 if (!fb_par->state) {
 847                         if (fb_par->fb_phy_base > 0)
 848                                 info->fix.smem_start = fb_par->fb_phy_base;
 849                         info->var.xres = dev_drv->screen0->mode.xres;
 850                         info->var.yres = dev_drv->screen0->mode.yres;
 851                         /*
 852                         info->var.grayscale |=
 853                             (info->var.xres << 8) + (info->var.yres << 20);
 854                         */
 855                         info->var.xres_virtual = info->var.xres;
 856                         info->var.yres_virtual = info->var.yres;
 857 #if defined(CONFIG_LOGO_LINUX_BMP)
 858                         info->var.bits_per_pixel = 32;
 859 #else
 860                         info->var.bits_per_pixel = 16;
 861 #endif
 862                         info->fix.line_length =
 863                             (info->var.xres_virtual) * (info->var.bits_per_pixel >> 3);
 864                         info->var.width = dev_drv->screen0->width;
 865                         info->var.height = dev_drv->screen0->height;
 866                         info->var.pixclock = dev_drv->pixclock;
 867                         info->var.left_margin = dev_drv->screen0->mode.left_margin;
 868                         info->var.right_margin = dev_drv->screen0->mode.right_margin;
 869                         info->var.upper_margin = dev_drv->screen0->mode.upper_margin;
 870                         info->var.lower_margin = dev_drv->screen0->mode.lower_margin;
 871                         info->var.vsync_len = dev_drv->screen0->mode.vsync_len;
 872                         info->var.hsync_len = dev_drv->screen0->mode.hsync_len;
 873                 }
 874         }
 875
 876         return 0;
 877 }
 878
 879
 880 #if defined(CONFIG_RK29_IPP)
 881 static int get_ipp_format(int fmt)
 882 {
 883         int ipp_fmt = IPP_XRGB_8888;
 884         switch (fmt) {
 885         case HAL_PIXEL_FORMAT_RGBX_8888:
 886         case HAL_PIXEL_FORMAT_RGBA_8888:
 887         case HAL_PIXEL_FORMAT_BGRA_8888:
 888         case HAL_PIXEL_FORMAT_RGB_888:
 889                 ipp_fmt = IPP_XRGB_8888;
 890                 break;
 891         case HAL_PIXEL_FORMAT_RGB_565:
 892                 ipp_fmt = IPP_RGB_565;
 893                 break;
 894         case HAL_PIXEL_FORMAT_YCbCr_422_SP:
 895                 ipp_fmt = IPP_Y_CBCR_H2V1;
 896                 break;
 897         case HAL_PIXEL_FORMAT_YCrCb_NV12:
 898                 ipp_fmt = IPP_Y_CBCR_H2V2;
 899                 break;
 900         case HAL_PIXEL_FORMAT_YCrCb_444:
 901                 ipp_fmt = IPP_Y_CBCR_H1V1;
 902                 break;
 903         default:
 904                 ipp_fmt = IPP_IMGTYPE_LIMIT;
 905                 break;
 906         }
 907
 908         return ipp_fmt;
 909 }
 910
 911 static void ipp_win_check(int *dst_w, int *dst_h, int *dst_vir_w,
 912                           int rotation, int fmt)
 913 {
 914         int align16 = 2;
 915         int align64 = 8;
 916
 917         if (fmt == IPP_XRGB_8888) {
 918                 align16 = 1;
 919                 align64 = 2;
 920         } else if (fmt == IPP_RGB_565) {
 921                 align16 = 1;
 922                 align64 = 4;
 923         } else {
 924                 align16 = 2;
 925                 align64 = 8;
 926         }
 927         align16 -= 1;           /*for YUV, 1 */
 928         align64 -= 1;           /*for YUV, 7 */
 929
 930         if (rotation == IPP_ROT_0) {
 931                 if (fmt > IPP_RGB_565) {
 932                         if ((*dst_w & 1) != 0)
 933                                 *dst_w = *dst_w + 1;
 934                         if ((*dst_h & 1) != 0)
 935                                 *dst_h = *dst_h + 1;
 936                         if (*dst_vir_w < *dst_w)
 937                                 *dst_vir_w = *dst_w;
 938                 }
 939         } else {
 940                 if ((*dst_w & align64) != 0)
 941                         *dst_w = (*dst_w + align64) & (~align64);
 942                 if ((fmt > IPP_RGB_565) && ((*dst_h & 1) == 1))
 943                         *dst_h = *dst_h + 1;
 944                 if (*dst_vir_w < *dst_w)
 945                         *dst_vir_w = *dst_w;
 946         }
 947 }
 948
 949 static void fb_copy_by_ipp(struct fb_info *dst_info,
 950                                 struct fb_info *src_info)
 951 {
 952         struct rk29_ipp_req ipp_req;
 953         uint32_t rotation = 0;
 954         int dst_w, dst_h, dst_vir_w;
 955         int ipp_fmt;
 956         u8 data_format = (dst_info->var.nonstd) & 0xff;
 957         struct rk_fb_par *fb_par = (struct rk_fb_par *)dst_info->par;
 958         struct rk_lcdc_driver *ext_dev_drv = fb_par->lcdc_drv;
 959         u16 orientation = ext_dev_drv->rotate_mode;
 960
 961         memset(&ipp_req, 0, sizeof(struct rk29_ipp_req));
 962
 963         switch (orientation) {
 964         case 0:
 965                 rotation = IPP_ROT_0;
 966                 break;
 967         case ROTATE_90:
 968                 rotation = IPP_ROT_90;
 969                 break;
 970         case ROTATE_180:
 971                 rotation = IPP_ROT_180;
 972                 break;
 973         case ROTATE_270:
 974                 rotation = IPP_ROT_270;
 975                 break;
 976         default:
 977                 rotation = IPP_ROT_270;
 978                 break;
 979         }
 980
 981         dst_w = dst_info->var.xres;
 982         dst_h = dst_info->var.yres;
 983         dst_vir_w = dst_info->var.xres_virtual;
 984         ipp_fmt = get_ipp_format(data_format);
 985         ipp_win_check(&dst_w, &dst_h, &dst_vir_w, rotation, ipp_fmt);
 986         ipp_req.src0.YrgbMst = src_info->fix.smem_start + offset;
 987         ipp_req.src0.w = src_info->var.xres;
 988         ipp_req.src0.h = src_info->var.yres;
 989         ipp_req.src_vir_w = src_info->var.xres_virtual;
 990         ipp_req.src0.fmt = ipp_fmt;
 991
 992         ipp_req.dst0.YrgbMst = dst_info->fix.smem_start + offset;
 993         ipp_req.dst0.w = dst_w;
 994         ipp_req.dst0.h = dst_h;
 995         ipp_req.dst_vir_w = dst_vir_w;
 996         ipp_req.dst0.fmt = ipp_fmt;
 997
 998         ipp_req.timeout = 100;
 999         ipp_req.flag = rotation;
1000         ipp_blit_sync(&ipp_req);
1001 }
1002
1003 #endif
1004
1005 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1006 static int get_rga_format(int fmt)
1007 {
1008         int rga_fmt = 0;
1009
1010         switch (fmt) {
1011         case XBGR888:
1012                 rga_fmt = RK_FORMAT_RGBX_8888;
1013                 break;
1014         case ABGR888:
1015                 rga_fmt = RK_FORMAT_RGBA_8888;
1016                 break;
1017         case ARGB888:
1018                 rga_fmt = RK_FORMAT_BGRA_8888;
1019                 break;
1020         case RGB888:
1021                 rga_fmt = RK_FORMAT_RGB_888;
1022                 break;
1023         case RGB565:
1024                 rga_fmt = RK_FORMAT_RGB_565;
1025                 break;
1026         case YUV422:
1027                 rga_fmt = RK_FORMAT_YCbCr_422_SP;
1028                 break;
1029         case YUV420:
1030                 rga_fmt = RK_FORMAT_YCbCr_420_SP;
1031                 break;
1032         default:
1033                 rga_fmt = RK_FORMAT_RGBA_8888;
1034                 break;
1035         }
1036
1037         return rga_fmt;
1038 }
1039
1040 static void rga_win_check(struct rk_lcdc_win *dst_win,
1041                           struct rk_lcdc_win *src_win)
1042 {
1043         int format = 0;
1044
1045         format = get_rga_format(src_win->format);
1046         /* width and height must be even number */
1047         if (format >= RK_FORMAT_YCbCr_422_SP &&
1048             format <= RK_FORMAT_YCrCb_420_P) {
1049                 if ((src_win->area[0].xact % 2) != 0)
1050                         src_win->area[0].xact += 1;
1051                 if ((src_win->area[0].yact % 2) != 0)
1052                         src_win->area[0].yact += 1;
1053         }
1054         if (src_win->area[0].xvir < src_win->area[0].xact)
1055                 src_win->area[0].xvir = src_win->area[0].xact;
1056         if (src_win->area[0].yvir < src_win->area[0].yact)
1057                 src_win->area[0].yvir = src_win->area[0].yact;
1058
1059         format = get_rga_format(dst_win->format);
1060         if (format >= RK_FORMAT_YCbCr_422_SP &&
1061             format <= RK_FORMAT_YCrCb_420_P) {
1062                 if ((dst_win->area[0].xact % 2) != 0)
1063                         dst_win->area[0].xact += 1;
1064                 if ((dst_win->area[0].yact % 2) != 0)
1065                         dst_win->area[0].yact += 1;
1066         }
1067         if (dst_win->area[0].xvir < dst_win->area[0].xact)
1068                 dst_win->area[0].xvir = dst_win->area[0].xact;
1069         if (dst_win->area[0].yvir < dst_win->area[0].yact)
1070                 dst_win->area[0].yvir = dst_win->area[0].yact;
1071 }
1072
1073 static void win_copy_by_rga(struct rk_lcdc_win *dst_win,
1074                             struct rk_lcdc_win *src_win,
1075                             u16 orientation, int iommu_en)
1076 {
1077         struct rga_req Rga_Request;
1078         long ret = 0;
1079         /* int fd = 0; */
1080
1081         memset(&Rga_Request, 0, sizeof(Rga_Request));
1082         rga_win_check(dst_win, src_win);
1083
1084         switch (orientation) {
1085         case ROTATE_90:
1086                 Rga_Request.rotate_mode = 1;
1087                 Rga_Request.sina = 65536;
1088                 Rga_Request.cosa = 0;
1089                 Rga_Request.dst.act_w = dst_win->area[0].yact;
1090                 Rga_Request.dst.act_h = dst_win->area[0].xact;
1091                 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1092                 Rga_Request.dst.y_offset = 0;
1093                 break;
1094         case ROTATE_180:
1095                 Rga_Request.rotate_mode = 1;
1096                 Rga_Request.sina = 0;
1097                 Rga_Request.cosa = -65536;
1098                 Rga_Request.dst.act_w = dst_win->area[0].xact;
1099                 Rga_Request.dst.act_h = dst_win->area[0].yact;
1100                 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1101                 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1102                 break;
1103         case ROTATE_270:
1104                 Rga_Request.rotate_mode = 1;
1105                 Rga_Request.sina = -65536;
1106                 Rga_Request.cosa = 0;
1107                 Rga_Request.dst.act_w = dst_win->area[0].yact;
1108                 Rga_Request.dst.act_h = dst_win->area[0].xact;
1109                 Rga_Request.dst.x_offset = 0;
1110                 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1111                 break;
1112         default:
1113                 Rga_Request.rotate_mode = 0;
1114                 Rga_Request.dst.act_w = dst_win->area[0].xact;
1115                 Rga_Request.dst.act_h = dst_win->area[0].yact;
1116                 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1117                 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1118                 break;
1119         }
1120
1121 /*
1122         fd = ion_share_dma_buf_fd(rk_fb->ion_client, src_win->area[0].ion_hdl);
1123         Rga_Request.src.yrgb_addr = fd;
1124         fd = ion_share_dma_buf_fd(rk_fb->ion_client, dst_win->area[0].ion_hdl);
1125         Rga_Request.dst.yrgb_addr = fd;
1126 */
1127         Rga_Request.src.yrgb_addr = 0;
1128         Rga_Request.src.uv_addr =
1129             src_win->area[0].smem_start + src_win->area[0].y_offset;
1130         Rga_Request.src.v_addr = 0;
1131
1132         Rga_Request.dst.yrgb_addr = 0;
1133         Rga_Request.dst.uv_addr =
1134             dst_win->area[0].smem_start + dst_win->area[0].y_offset;
1135         Rga_Request.dst.v_addr = 0;
1136
1137         Rga_Request.src.vir_w = src_win->area[0].xvir;
1138         Rga_Request.src.vir_h = src_win->area[0].yvir;
1139         Rga_Request.src.format = get_rga_format(src_win->format);
1140         Rga_Request.src.act_w = src_win->area[0].xact;
1141         Rga_Request.src.act_h = src_win->area[0].yact;
1142         Rga_Request.src.x_offset = 0;
1143         Rga_Request.src.y_offset = 0;
1144
1145         Rga_Request.dst.vir_w = dst_win->area[0].xvir;
1146         Rga_Request.dst.vir_h = dst_win->area[0].yvir;
1147         Rga_Request.dst.format = get_rga_format(dst_win->format);
1148
1149         Rga_Request.clip.xmin = 0;
1150         Rga_Request.clip.xmax = dst_win->area[0].xact - 1;
1151         Rga_Request.clip.ymin = 0;
1152         Rga_Request.clip.ymax = dst_win->area[0].yact - 1;
1153         Rga_Request.scale_mode = 0;
1154 #if defined(CONFIG_ROCKCHIP_IOMMU)
1155         if (iommu_en) {
1156                 Rga_Request.mmu_info.mmu_en = 1;
1157                 Rga_Request.mmu_info.mmu_flag = 1;
1158         } else {
1159                 Rga_Request.mmu_info.mmu_en = 0;
1160                 Rga_Request.mmu_info.mmu_flag = 0;
1161         }
1162 #else
1163         Rga_Request.mmu_info.mmu_en = 0;
1164         Rga_Request.mmu_info.mmu_flag = 0;
1165 #endif
1166
1167         ret = rga_ioctl_kernel(&Rga_Request);
1168 }
1169
1170 /*
1171  * This function is used for copying fb by RGA Module
1172  * RGA only support copy RGB to RGB
1173  * RGA2 support copy RGB to RGB and YUV to YUV
1174  */
1175 static void fb_copy_by_rga(struct fb_info *dst_info,
1176                                 struct fb_info *src_info)
1177 {
1178         struct rk_fb_par *src_fb_par = (struct rk_fb_par *)src_info->par;
1179         struct rk_fb_par *dst_fb_par = (struct rk_fb_par *)dst_info->par;
1180         struct rk_lcdc_driver *dev_drv = src_fb_par->lcdc_drv;
1181         struct rk_lcdc_driver *ext_dev_drv = dst_fb_par->lcdc_drv;
1182         int win_id = 0, ext_win_id;
1183         struct rk_lcdc_win *src_win, *dst_win;
1184
1185         win_id = dev_drv->ops->fb_get_win_id(dev_drv, src_info->fix.id);
1186         src_win = dev_drv->win[win_id];
1187
1188         ext_win_id =
1189             ext_dev_drv->ops->fb_get_win_id(ext_dev_drv, dst_info->fix.id);
1190         dst_win = ext_dev_drv->win[ext_win_id];
1191
1192         win_copy_by_rga(dst_win, src_win, ext_dev_drv->rotate_mode,
1193                         ext_dev_drv->iommu_enabled);
1194 }
1195
1196 #endif
1197
1198 static int rk_fb_rotate(struct fb_info *dst_info,
1199                           struct fb_info *src_info)
1200 {
1201
1202 #if defined(CONFIG_RK29_IPP)
1203         fb_copy_by_ipp(dst_info, src_info);
1204 #elif defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1205         fb_copy_by_rga(dst_info, src_info);
1206 #else
1207         return -1;
1208 #endif
1209         return 0;
1210 }
1211
1212 static int rk_fb_win_rotate(struct rk_lcdc_win *dst_win,
1213                             struct rk_lcdc_win *src_win,
1214                             u16 rotate, int iommu_en)
1215 {
1216 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1217         win_copy_by_rga(dst_win, src_win, rotate, iommu_en);
1218 #else
1219         return -1;
1220 #endif
1221         return 0;
1222 }
1223
1224 static int rk_fb_set_ext_win_buffer(struct rk_lcdc_win *ext_win,
1225                                          struct rk_lcdc_win *win,
1226                                          u16 rotate, int iommu_en)
1227 {
1228         struct rk_fb *rk_fb =  platform_get_drvdata(fb_pdev);
1229         struct fb_info *ext_info = rk_fb->fb[(rk_fb->num_fb >> 1)];
1230         struct rk_fb_par *ext_fb_par = (struct rk_fb_par *)ext_info->par;
1231         struct rk_lcdc_driver *ext_dev_drv = rk_get_extend_lcdc_drv();
1232         struct rk_lcdc_win *last_win;
1233         static u8 fb_index = 0;
1234         ion_phys_addr_t phy_addr;
1235         size_t len = 0;
1236         int ret = 0;
1237         bool is_yuv = false;
1238
1239         if (unlikely(!ext_win) || unlikely(!win))
1240                 return -1;
1241
1242         if (rk_fb->disp_mode != DUAL || ext_info == NULL)
1243                 return 0;
1244
1245         switch (ext_win->format) {
1246         case YUV422:
1247         case YUV420:
1248         case YUV444:
1249         case YUV422_A:
1250         case YUV420_A:
1251         case YUV444_A:
1252                 is_yuv = true;
1253                 break;
1254         default:
1255                 is_yuv = false;
1256                 break;
1257         }
1258
1259         /* no rotate mode */
1260         if (rotate <= X_Y_MIRROR) {
1261                 if (iommu_en) {
1262                         ret = ion_map_iommu(ext_dev_drv->dev,
1263                                             rk_fb->ion_client,
1264                                             win->area[0].ion_hdl,
1265                                             (unsigned long *)&phy_addr,
1266                                             (unsigned long *)&len);
1267                         if (ret < 0) {
1268                                 dev_err(ext_dev_drv->dev, "ion map to get phy addr failed\n");
1269                                 ion_free(rk_fb->ion_client, win->area[0].ion_hdl);
1270                                 return -ENOMEM;
1271                         }
1272                         ext_win->area[0].smem_start = phy_addr;
1273                         ext_win->area[0].y_offset = win->area[0].y_offset;
1274                         if (is_yuv) {
1275                                 ext_win->area[0].cbr_start = win->area[0].cbr_start;
1276                                 ext_win->area[0].c_offset = win->area[0].c_offset;
1277                         } else {
1278                                 ext_win->area[0].cbr_start = 0;
1279                                 ext_win->area[0].c_offset = 0;
1280                         }
1281                 } else {
1282                         ext_win->area[0].smem_start = win->area[0].smem_start;
1283                         ext_win->area[0].y_offset = win->area[0].y_offset;
1284                         if (is_yuv) {
1285                                 ext_win->area[0].cbr_start = win->area[0].cbr_start;
1286                                 ext_win->area[0].c_offset = win->area[0].c_offset;
1287                         } else {
1288                                 ext_win->area[0].cbr_start = 0;
1289                                 ext_win->area[0].c_offset = 0;
1290                         }
1291                 }
1292
1293                 return 0;
1294         }
1295
1296         /* rotate mode */
1297         if (!iommu_en) {
1298                 if (ext_win->id == 0) {
1299                         ext_win->area[0].smem_start = ext_fb_par->fb_phy_base;
1300                         ext_win->area[0].y_offset = (get_rotate_fb_size() >> 1) * fb_index;
1301                         if ((++fb_index) > 1)
1302                                 fb_index = 0;
1303                 } else {
1304                         ext_win->area[0].y_offset = 0;
1305                         last_win = ext_dev_drv->win[ext_win->id - 1];
1306                         if (last_win->area[0].cbr_start)
1307                                 ext_win->area[0].smem_start =
1308                                         last_win->area[0].cbr_start +
1309                                         last_win->area[0].c_offset +
1310                                         last_win->area[0].xvir * last_win->area[0].yvir;
1311                         else
1312                                 ext_win->area[0].smem_start =
1313                                         last_win->area[0].smem_start +
1314                                         last_win->area[0].y_offset +
1315                                         last_win->area[0].xvir * last_win->area[0].yvir;
1316                 }
1317
1318                 if (is_yuv) {
1319                         ext_win->area[0].cbr_start =
1320                                 ext_win->area[0].smem_start +
1321                                 ext_win->area[0].y_offset +
1322                                 ext_win->area[0].xvir * ext_win->area[0].yvir;
1323                         ext_win->area[0].c_offset = win->area[0].c_offset;
1324                 } else {
1325                         ext_win->area[0].cbr_start = 0;
1326                         ext_win->area[0].c_offset = 0;
1327                 }
1328         }
1329
1330         return 0;
1331 }
1332
1333 static int rk_fb_pan_display(struct fb_var_screeninfo *var,
1334                              struct fb_info *info)
1335 {
1336         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
1337         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1338         struct rk_fb_par *extend_fb_par = NULL;
1339         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1340         struct fb_fix_screeninfo *fix = &info->fix;
1341         struct fb_info *extend_info = NULL;
1342         struct rk_lcdc_driver *extend_dev_drv = NULL;
1343         int win_id = 0, extend_win_id = 0;
1344         struct rk_lcdc_win *extend_win = NULL;
1345         struct rk_lcdc_win *win = NULL;
1346         struct rk_screen *screen = dev_drv->cur_screen;
1347         int fb_id = 0;
1348
1349         u32 xoffset = var->xoffset;
1350         u32 yoffset = var->yoffset;
1351         u32 xvir = var->xres_virtual;
1352         /* u32 yvir = var->yres_virtual; */
1353         /* u8 data_format = var->nonstd&0xff; */
1354
1355         u8 pixel_width;
1356         u32 vir_width_bit;
1357         u32 stride, uv_stride;
1358         u32 stride_32bit_1;
1359         u32 stride_32bit_2;
1360         u16 uv_x_off, uv_y_off, uv_y_act;
1361         u8 is_pic_yuv = 0;
1362
1363         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1364         if (win_id < 0)
1365                 return -ENODEV;
1366         else
1367                 win = dev_drv->win[win_id];
1368
1369         if (rk_fb->disp_mode == DUAL) {
1370                 fb_id = get_extend_fb_id(info);
1371                 extend_info = rk_fb->fb[(rk_fb->num_fb >> 1) + fb_id];
1372                 extend_fb_par = (struct rk_fb_par *)extend_info->par;
1373                 extend_dev_drv = extend_fb_par->lcdc_drv;
1374                 extend_win_id = dev_drv->ops->fb_get_win_id(extend_dev_drv,
1375                                                            extend_info->fix.id);
1376                 extend_win = extend_dev_drv->win[extend_win_id];
1377         }
1378
1379         pixel_width = rk_fb_pixel_width(win->format);
1380         vir_width_bit = pixel_width * xvir;
1381         /* pixel_width = byte_num * 8 */
1382         stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
1383         stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
1384
1385         switch (win->format) {
1386         case YUV422:
1387         case YUV422_A:
1388                 is_pic_yuv = 1;
1389                 stride = stride_32bit_1;
1390                 uv_stride = stride_32bit_1 >> 1;
1391                 uv_x_off = xoffset >> 1;
1392                 uv_y_off = yoffset;
1393                 fix->line_length = stride;
1394                 uv_y_act = win->area[0].yact >> 1;
1395                 break;
1396         case YUV420:            /* 420sp */
1397         case YUV420_A:
1398                 is_pic_yuv = 1;
1399                 stride = stride_32bit_1;
1400                 uv_stride = stride_32bit_1;
1401                 uv_x_off = xoffset;
1402                 uv_y_off = yoffset >> 1;
1403                 fix->line_length = stride;
1404                 uv_y_act = win->area[0].yact >> 1;
1405                 break;
1406         case YUV444:
1407         case YUV444_A:
1408                 is_pic_yuv = 1;
1409                 stride = stride_32bit_1;
1410                 uv_stride = stride_32bit_2;
1411                 uv_x_off = xoffset * 2;
1412                 uv_y_off = yoffset;
1413                 fix->line_length = stride << 2;
1414                 uv_y_act = win->area[0].yact;
1415                 break;
1416         default:
1417                 stride = stride_32bit_1;        /* default rgb */
1418                 fix->line_length = stride;
1419                 break;
1420         }
1421
1422         /* x y mirror ,jump line */
1423         if (screen->y_mirror == 1) {
1424                 if (screen->interlace == 1) {
1425                         win->area[0].y_offset = yoffset * stride * 2 +
1426                             ((win->area[0].yact - 1) * 2 + 1) * stride +
1427                             xoffset * pixel_width / 8;
1428                 } else {
1429                         win->area[0].y_offset = yoffset * stride +
1430                             (win->area[0].yact - 1) * stride +
1431                             xoffset * pixel_width / 8;
1432                 }
1433         } else {
1434                 if (screen->interlace == 1) {
1435                         win->area[0].y_offset =
1436                             yoffset * stride * 2 + xoffset * pixel_width / 8;
1437                 } else {
1438                         win->area[0].y_offset =
1439                             yoffset * stride + xoffset * pixel_width / 8;
1440                 }
1441         }
1442         if (is_pic_yuv == 1) {
1443                 if (screen->y_mirror == 1) {
1444                         if (screen->interlace == 1) {
1445                                 win->area[0].c_offset =
1446                                     uv_y_off * uv_stride * 2 +
1447                                     ((uv_y_act - 1) * 2 + 1) * uv_stride +
1448                                     uv_x_off * pixel_width / 8;
1449                         } else {
1450                                 win->area[0].c_offset = uv_y_off * uv_stride +
1451                                     (uv_y_act - 1) * uv_stride +
1452                                     uv_x_off * pixel_width / 8;
1453                         }
1454                 } else {
1455                         if (screen->interlace == 1) {
1456                                 win->area[0].c_offset =
1457                                     uv_y_off * uv_stride * 2 +
1458                                     uv_x_off * pixel_width / 8;
1459                         } else {
1460                                 win->area[0].c_offset =
1461                                     uv_y_off * uv_stride +
1462                                     uv_x_off * pixel_width / 8;
1463                         }
1464                 }
1465         }
1466
1467         win->area[0].smem_start = fix->smem_start;
1468         win->area[0].cbr_start = fix->mmio_start;
1469         win->area[0].state = 1;
1470         win->area_num = 1;
1471
1472         dev_drv->ops->pan_display(dev_drv, win_id);
1473
1474         if (rk_fb->disp_mode == DUAL) {
1475                 if (extend_info != info && extend_win->state &&
1476                     hdmi_switch_complete) {
1477                         rk_fb_set_ext_win_buffer(extend_win, win,
1478                                                  extend_dev_drv->rotate_mode,
1479                                                  extend_dev_drv->iommu_enabled);
1480                         if (extend_dev_drv->rotate_mode > X_Y_MIRROR)
1481                                 rk_fb_rotate(extend_info, info);
1482
1483                         extend_dev_drv->ops->pan_display(extend_dev_drv,
1484                                                          extend_win_id);
1485                         extend_dev_drv->ops->cfg_done(extend_dev_drv);
1486                 }
1487         }
1488 #ifdef  CONFIG_FB_MIRRORING
1489         if (video_data_to_mirroring)
1490                 video_data_to_mirroring(info, NULL);
1491 #endif
1492         dev_drv->ops->cfg_done(dev_drv);
1493         return 0;
1494 }
1495
1496 static int rk_fb_get_list_stat(struct rk_lcdc_driver *dev_drv)
1497 {
1498         int i, j;
1499
1500         i = list_empty(&dev_drv->update_regs_list);
1501         j = list_empty(&saved_list);
1502         return i == j ? 0 : 1;
1503 }
1504
1505 void rk_fd_fence_wait(struct rk_lcdc_driver *dev_drv, struct sync_fence *fence)
1506 {
1507         int err = sync_fence_wait(fence, 1000);
1508
1509         if (err >= 0)
1510                 return;
1511
1512         if (err == -ETIME)
1513                 err = sync_fence_wait(fence, 10 * MSEC_PER_SEC);
1514
1515         if (err < 0)
1516                 printk("error waiting on fence\n");
1517 }
1518 #if 0
1519 static int rk_fb_copy_from_loader(struct fb_info *info)
1520 {
1521         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1522         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1523         void *dst = info->screen_base;
1524         u32 dsp_addr[4];
1525         u32 src;
1526         u32 i,size;
1527         int win_id;
1528         struct rk_lcdc_win *win;
1529
1530         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1531         win = dev_drv->win[win_id];
1532         size = (win->area[0].xact) * (win->area[0].yact) << 2;
1533         dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1534         src = dsp_addr[win_id];
1535         dev_info(info->dev, "copy fb data %d x %d  from  dst_addr:%08x\n",
1536                  win->area[0].xact, win->area[0].yact, src);
1537         for (i = 0; i < size; i += PAGE_SIZE) {
1538                 void *page = phys_to_page(i + src);
1539                 void *from_virt = kmap(page);
1540                 void *to_virt = dst + i;
1541                 memcpy(to_virt, from_virt, PAGE_SIZE);
1542         }
1543         dev_drv->ops->direct_set_addr(dev_drv, win_id,
1544                                       info->fix.smem_start);
1545         return 0;
1546 }
1547 #endif
1548 #ifdef CONFIG_ROCKCHIP_IOMMU
1549 static int g_last_addr[4];
1550 int g_last_timeout;
1551 u32 freed_addr[10];
1552 u32 freed_index;
1553
1554 #define DUMP_CHUNK 256
1555 char buf[PAGE_SIZE];
1556
1557 int rk_fb_sysmmu_fault_handler(struct device *dev,
1558                                enum rk_iommu_inttype itype,
1559                                unsigned long pgtable_base,
1560                                unsigned long fault_addr, unsigned int status)
1561 {
1562         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
1563         int i = 0;
1564         static int page_fault_cnt;
1565         if ((page_fault_cnt++) >= 10)
1566                 return 0;
1567         pr_err
1568             ("PAGE FAULT occurred at 0x%lx (Page table base: 0x%lx),status=%d\n",
1569              fault_addr, pgtable_base, status);
1570         printk("last config addr:\n" "win0:0x%08x\n" "win1:0x%08x\n"
1571                "win2:0x%08x\n" "win3:0x%08x\n", g_last_addr[0], g_last_addr[1],
1572                g_last_addr[2], g_last_addr[3]);
1573         printk("last freed buffer:\n");
1574         for (i = 0; (freed_addr[i] != 0xfefefefe) && freed_addr[i]; i++)
1575                 printk("%d:0x%08x\n", i, freed_addr[i]);
1576         printk("last timeout:%d\n", g_last_timeout);
1577         dev_drv->ops->get_disp_info(dev_drv, buf, 0);
1578         for (i = 0; i < PAGE_SIZE; i += DUMP_CHUNK) {
1579                 if ((PAGE_SIZE - i) > DUMP_CHUNK) {
1580                         char c = buf[i + DUMP_CHUNK];
1581                         buf[i + DUMP_CHUNK] = 0;
1582                         pr_cont("%s", buf + i);
1583                         buf[i + DUMP_CHUNK] = c;
1584                 } else {
1585                         buf[PAGE_SIZE - 1] = 0;
1586                         pr_cont("%s", buf + i);
1587                 }
1588         }
1589
1590         return 0;
1591 }
1592 #endif
1593
1594 void rk_fb_free_dma_buf(struct rk_lcdc_driver *dev_drv,
1595                         struct rk_fb_reg_win_data *reg_win_data)
1596 {
1597         int i, index_buf;
1598         struct rk_fb_reg_area_data *area_data;
1599         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1600 #if defined(CONFIG_ROCKCHIP_IOMMU)
1601         struct rk_lcdc_driver *ext_dev_drv = rk_get_extend_lcdc_drv();
1602 #endif
1603
1604         for (i = 0; i < reg_win_data->area_num; i++) {
1605                 area_data = &reg_win_data->reg_area_data[i];
1606                 index_buf = area_data->index_buf;
1607 #if defined(CONFIG_ROCKCHIP_IOMMU)
1608                 if (dev_drv->iommu_enabled) {
1609                         if (rk_fb->disp_policy != DISPLAY_POLICY_BOX)
1610                         ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client,
1611                                         area_data->ion_handle);
1612                         freed_addr[freed_index++] = area_data->smem_start;
1613                 }
1614                 if (rk_fb->disp_mode == DUAL && hdmi_switch_complete) {
1615                         if (ext_dev_drv->iommu_enabled)
1616                                 ion_unmap_iommu(ext_dev_drv->dev,
1617                                                 rk_fb->ion_client,
1618                                                 area_data->ion_handle);
1619                 }
1620 #endif
1621                 if (area_data->ion_handle != NULL) {
1622                         ion_unmap_kernel(rk_fb->ion_client,
1623                                          area_data->ion_handle);
1624                         ion_free(rk_fb->ion_client, area_data->ion_handle);
1625                 }
1626                 if (area_data->acq_fence)
1627                         sync_fence_put(area_data->acq_fence);
1628         }
1629         memset(reg_win_data, 0, sizeof(struct rk_fb_reg_win_data));
1630 }
1631
1632 /*
1633  * function: update extend win info acorrding to primary win info,
1634         the function is only used for dual display mode
1635  * @ext_dev_drv: the extend lcdc driver
1636  * @dev_drv: the primary lcdc driver
1637  * @ext_win: the lcdc win info of extend screen
1638  * @win: the lcdc win info of primary screen
1639  */
1640 static int rk_fb_update_ext_win(struct rk_lcdc_driver *ext_dev_drv,
1641                                      struct rk_lcdc_driver *dev_drv,
1642                                      struct rk_lcdc_win *ext_win,
1643                                      struct rk_lcdc_win *win)
1644 {
1645         struct rk_screen *screen = dev_drv->cur_screen;
1646         struct rk_screen *ext_screen = ext_dev_drv->cur_screen;
1647         int hdmi_xsize = ext_screen->xsize;
1648         int hdmi_ysize = ext_screen->ysize;
1649         int pixel_width, vir_width_bit, y_stride;
1650         bool is_yuv = false;
1651         int rotate_mode = 0;
1652
1653         if (unlikely(!dev_drv) || unlikely(!ext_dev_drv) ||
1654             unlikely(!ext_win) || unlikely(!win))
1655                 return -1;
1656
1657         rotate_mode = ext_dev_drv->rotate_mode;
1658
1659         if (ext_win->state == 0) {
1660                 dev_info(ext_dev_drv->dev, "extend lcdc win is closed\n");
1661                 return 0;
1662         }
1663
1664         ext_win->area[0].state = win->area[0].state;
1665         ext_win->area_num = win->area_num;
1666         ext_win->format = win->format;
1667         ext_win->fmt_10 = win->fmt_10;
1668         ext_win->z_order = win->z_order;
1669         ext_win->alpha_en = win->alpha_en;
1670         ext_win->alpha_mode = win->alpha_mode;
1671         ext_win->g_alpha_val = win->g_alpha_val;
1672
1673         switch (ext_win->format) {
1674         case YUV422:
1675         case YUV420:
1676         case YUV444:
1677         case YUV422_A:
1678         case YUV420_A:
1679         case YUV444_A:
1680                 is_yuv = true;
1681                 break;
1682         default:
1683                 is_yuv = false;
1684                 break;
1685         }
1686
1687         if (rotate_mode == ROTATE_90 || rotate_mode == ROTATE_270) {
1688                 ext_win->area[0].xact = win->area[0].yact;
1689                 ext_win->area[0].yact = win->area[0].xact;
1690                 ext_win->area[0].xvir = win->area[0].yact;
1691                 ext_win->area[0].yvir = win->area[0].xact;
1692
1693                 pixel_width = rk_fb_pixel_width(ext_win->format);
1694                 vir_width_bit = pixel_width * ext_win->area[0].xvir;
1695                 y_stride = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
1696                 ext_win->area[0].y_vir_stride = y_stride >> 2;
1697                 if (is_yuv)
1698                         ext_win->area[0].uv_vir_stride = ext_win->area[0].y_vir_stride;
1699                 else
1700                         ext_win->area[0].uv_vir_stride = 0;
1701         } else {
1702                 ext_win->area[0].xact = win->area[0].xact;
1703                 ext_win->area[0].yact = win->area[0].yact;
1704                 if (win->area[0].xvir == 0)
1705                         ext_win->area[0].xvir = win->area[0].xact;
1706                 else
1707                         ext_win->area[0].xvir = win->area[0].xvir;
1708                 if (win->area[0].yvir == 0)
1709                         ext_win->area[0].yvir = win->area[0].yact;
1710                 else
1711                         ext_win->area[0].yvir = win->area[0].yvir;
1712                 ext_win->area[0].y_vir_stride = win->area[0].y_vir_stride;
1713                 if (is_yuv)
1714                         ext_win->area[0].uv_vir_stride = win->area[0].uv_vir_stride;
1715                 else
1716                         ext_win->area[0].uv_vir_stride = 0;
1717         }
1718
1719         if (win->area[0].xpos != 0 || win->area[0].ypos != 0) {
1720                 if (rotate_mode == ROTATE_270) {
1721                         int xbom_pos = 0, ybom_pos = 0;
1722                         int xtop_pos = 0, ytop_pos = 0;
1723
1724                         ext_win->area[0].xsize =
1725                                 hdmi_xsize * win->area[0].ysize / screen->mode.yres;
1726                         ext_win->area[0].ysize =
1727                                 hdmi_ysize * win->area[0].xsize / screen->mode.xres;
1728                         xbom_pos =
1729                                 hdmi_xsize * win->area[0].ypos / screen->mode.yres;
1730                         ybom_pos = hdmi_ysize * win->area[0].xpos / screen->mode.xres;
1731                         xtop_pos = hdmi_xsize - ext_win->area[0].xsize - xbom_pos;
1732                         ytop_pos = hdmi_ysize - ext_win->area[0].ysize - ybom_pos;
1733                         ext_win->area[0].xpos =
1734                                 ((ext_screen->mode.xres - hdmi_xsize) >> 1) + xtop_pos;
1735                         ext_win->area[0].ypos =
1736                                 ((ext_screen->mode.yres - hdmi_ysize) >> 1) + ytop_pos;
1737                 } else if (rotate_mode == ROTATE_90) {
1738                         ext_win->area[0].xsize =
1739                                 hdmi_xsize * win->area[0].ysize / screen->mode.yres;
1740                         ext_win->area[0].ysize =
1741                                 hdmi_ysize * win->area[0].xsize / screen->mode.xres;
1742                         ext_win->area[0].xpos =
1743                                 ((ext_screen->mode.xres - hdmi_xsize) >> 1) +
1744                                 hdmi_xsize * win->area[0].ypos / screen->mode.yres;
1745                         ext_win->area[0].ypos =
1746                                 ((ext_screen->mode.yres - hdmi_ysize) >> 1) +
1747                                 hdmi_ysize * win->area[0].xpos / screen->mode.xres;
1748                 } else {
1749                         ext_win->area[0].xsize =
1750                                 hdmi_xsize * win->area[0].xsize / screen->mode.xres;
1751                         ext_win->area[0].ysize =
1752                                 hdmi_ysize * win->area[0].ysize / screen->mode.yres;
1753                         ext_win->area[0].xpos =
1754                                 ((ext_screen->mode.xres - hdmi_xsize) >> 1) +
1755                                 hdmi_xsize * win->area[0].xpos / screen->mode.xres;
1756                         ext_win->area[0].ypos =
1757                                 ((ext_screen->mode.yres - hdmi_ysize) >> 1) +
1758                                 hdmi_ysize * win->area[0].ypos / screen->mode.yres;
1759                 }
1760         } else {
1761                 ext_win->area[0].xsize = hdmi_xsize;
1762                 ext_win->area[0].ysize = hdmi_ysize;
1763                 ext_win->area[0].xpos =
1764                         (ext_screen->mode.xres - hdmi_xsize) >> 1;
1765                 ext_win->area[0].ypos =
1766                         (ext_screen->mode.yres - hdmi_ysize) >> 1;
1767         }
1768
1769         return 0;
1770 }
1771
1772 static void rk_fb_update_win(struct rk_lcdc_driver *dev_drv,
1773                                 struct rk_lcdc_win *win,
1774                                 struct rk_fb_reg_win_data *reg_win_data)
1775 {
1776         int i = 0;
1777         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
1778         struct rk_screen *cur_screen;
1779         struct rk_screen primary_screen;
1780
1781         if (unlikely(!inf) || unlikely(!dev_drv) ||
1782             unlikely(!win) || unlikely(!reg_win_data))
1783                 return;
1784
1785         cur_screen = dev_drv->cur_screen;
1786         rk_fb_get_prmry_screen(&primary_screen);
1787
1788         win->area_num = reg_win_data->area_num;
1789         win->format = reg_win_data->data_format;
1790         win->id = reg_win_data->win_id;
1791         win->z_order = reg_win_data->z_order;
1792
1793         if (reg_win_data->reg_area_data[0].smem_start > 0) {
1794                 win->state = 1;
1795                 win->area_num = reg_win_data->area_num;
1796                 win->format = reg_win_data->data_format;
1797                 win->id = reg_win_data->win_id;
1798                 win->z_order = reg_win_data->z_order;
1799                 win->area[0].uv_vir_stride =
1800                     reg_win_data->reg_area_data[0].uv_vir_stride;
1801                 win->area[0].cbr_start =
1802                     reg_win_data->reg_area_data[0].cbr_start;
1803                 win->area[0].c_offset = reg_win_data->reg_area_data[0].c_offset;
1804                 win->alpha_en = reg_win_data->alpha_en;
1805                 win->alpha_mode = reg_win_data->alpha_mode;
1806                 win->g_alpha_val = reg_win_data->g_alpha_val;
1807                 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
1808                         if (reg_win_data->reg_area_data[i].smem_start > 0) {
1809                                 if (inf->disp_policy != DISPLAY_POLICY_BOX)
1810                                         win->area[i].ion_hdl =
1811                                         reg_win_data->reg_area_data[i].ion_handle;
1812                                 win->area[i].smem_start =
1813                                         reg_win_data->reg_area_data[i].smem_start;
1814                                 if (inf->disp_mode == DUAL ||
1815                                     inf->disp_policy == DISPLAY_POLICY_BOX) {
1816                                         win->area[i].xpos =
1817                                                 reg_win_data->reg_area_data[i].xpos;
1818                                         win->area[i].ypos =
1819                                                 reg_win_data->reg_area_data[i].ypos;
1820                                         win->area[i].xsize =
1821                                                 reg_win_data->reg_area_data[i].xsize;
1822                                         win->area[i].ysize =
1823                                                 reg_win_data->reg_area_data[i].ysize;
1824                                 } else {
1825                                         win->area[i].xpos =
1826                                                 reg_win_data->reg_area_data[i].xpos *
1827                                                 cur_screen->mode.xres /
1828                                                 primary_screen.mode.xres;
1829                                         win->area[i].ypos =
1830                                                 reg_win_data->reg_area_data[i].ypos *
1831                                                 cur_screen->mode.yres /
1832                                                 primary_screen.mode.yres;
1833                                         win->area[i].xsize =
1834                                                 reg_win_data->reg_area_data[i].xsize *
1835                                                 cur_screen->mode.xres /
1836                                                 primary_screen.mode.xres;
1837                                         win->area[i].ysize =
1838                                                 reg_win_data->reg_area_data[i].ysize *
1839                                                 cur_screen->mode.yres /
1840                                                 primary_screen.mode.yres;
1841
1842                                         /* recalc display size if set hdmi scaler when at ONE_DUAL mode */
1843                                         if (inf->disp_mode == ONE_DUAL && hdmi_switch_complete) {
1844                                                 if (cur_screen->xsize > 0 &&
1845                                                     cur_screen->xsize <= cur_screen->mode.xres) {
1846                                                         win->area[i].xpos =
1847                                                                 ((cur_screen->mode.xres - cur_screen->xsize) >> 1) +
1848                                                                 cur_screen->xsize * win->area[i].xpos / cur_screen->mode.xres;
1849                                                         win->area[i].xsize =
1850                                                                 win->area[i].xsize * cur_screen->xsize / cur_screen->mode.xres;
1851                                                 }
1852                                                 if (cur_screen->ysize > 0 && cur_screen->ysize <= cur_screen->mode.yres) {
1853                                                         win->area[i].ypos =
1854                                                                 ((cur_screen->mode.yres - cur_screen->ysize) >> 1) +
1855                                                                 cur_screen->ysize * win->area[i].ypos / cur_screen->mode.yres;
1856                                                         win->area[i].ysize =
1857                                                                 win->area[i].ysize * cur_screen->ysize / cur_screen->mode.yres;
1858                                                 }
1859                                         }
1860                                 }
1861                                 win->area[i].xact =
1862                                     reg_win_data->reg_area_data[i].xact;
1863                                 win->area[i].yact =
1864                                     reg_win_data->reg_area_data[i].yact;
1865                                 win->area[i].xvir =
1866                                     reg_win_data->reg_area_data[i].xvir;
1867                                 win->area[i].yvir =
1868                                     reg_win_data->reg_area_data[i].yvir;
1869                                 win->area[i].y_offset =
1870                                     reg_win_data->reg_area_data[i].y_offset;
1871                                 win->area[i].y_vir_stride =
1872                                     reg_win_data->reg_area_data[i].y_vir_stride;
1873                                 win->area[i].state = 1;
1874                         } else {
1875                                 win->area[i].state = 0;
1876                         }
1877                 }
1878         } else {
1879         /*
1880                 win->state = 0;
1881                 win->z_order = -1;
1882         */
1883         }
1884 }
1885
1886 static struct rk_fb_reg_win_data *rk_fb_get_win_data(struct rk_fb_reg_data
1887                                                      *regs, int win_id)
1888 {
1889         int i;
1890         struct rk_fb_reg_win_data *win_data = NULL;
1891         for (i = 0; i < regs->win_num; i++) {
1892                 if (regs->reg_win_data[i].win_id == win_id) {
1893                         win_data = &(regs->reg_win_data[i]);
1894                         break;
1895                 }
1896         }
1897
1898         return win_data;
1899 }
1900
1901 static void rk_fb_update_reg(struct rk_lcdc_driver *dev_drv,
1902                              struct rk_fb_reg_data *regs)
1903 {
1904         int i, j;
1905         struct rk_lcdc_win *win;
1906         ktime_t timestamp = dev_drv->vsync_info.timestamp;
1907         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1908         struct rk_lcdc_driver *ext_dev_drv;
1909         struct rk_lcdc_win *ext_win;
1910         struct rk_fb_reg_win_data *win_data;
1911         bool wait_for_vsync;
1912         int count = 100;
1913         unsigned int dsp_addr[4];
1914         long timeout;
1915
1916         /* acq_fence wait */
1917         for (i = 0; i < regs->win_num; i++) {
1918                 win_data = &regs->reg_win_data[i];
1919                 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1920                         if (win_data->reg_area_data[j].acq_fence) {
1921                                 /* printk("acq_fence wait!!!!!\n"); */
1922                                 rk_fd_fence_wait(dev_drv, win_data->reg_area_data[j].acq_fence);
1923                         }
1924                 }
1925         }
1926
1927         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1928                 win = dev_drv->win[i];
1929                 win_data = rk_fb_get_win_data(regs, i);
1930                 if (win_data) {
1931                         if (rk_fb->disp_policy == DISPLAY_POLICY_BOX &&
1932                             (win_data->data_format == YUV420 ||
1933                              win_data->data_format == YUV420_A))
1934                                 continue;
1935                         mutex_lock(&dev_drv->win_config);
1936                         rk_fb_update_win(dev_drv, win, win_data);
1937                         win->state = 1;
1938                         dev_drv->ops->set_par(dev_drv, i);
1939                         dev_drv->ops->pan_display(dev_drv, i);
1940                         mutex_unlock(&dev_drv->win_config);
1941 #if defined(CONFIG_ROCKCHIP_IOMMU)
1942                         if (dev_drv->iommu_enabled) {
1943                                 g_last_addr[i] = win_data->reg_area_data[0].smem_start +
1944                                         win_data->reg_area_data[0].y_offset;
1945                         }
1946 #endif
1947                 } else {
1948                         win->z_order = -1;
1949                         win->state = 0;
1950                 }
1951         }
1952         dev_drv->ops->ovl_mgr(dev_drv, 0, 1);
1953         if (rk_fb->disp_policy == DISPLAY_POLICY_BOX)
1954                 dev_drv->ops->cfg_done(dev_drv);
1955         if ((rk_fb->disp_mode == DUAL)
1956             && (hdmi_get_hotplug() == HDMI_HPD_ACTIVED)
1957             && hdmi_switch_complete) {
1958                 ext_dev_drv = rk_get_extend_lcdc_drv();
1959                 if (!ext_dev_drv) {
1960                         printk(KERN_ERR "hdmi lcdc driver not found!\n");
1961                         goto ext_win_exit;
1962                 }
1963
1964                 /*
1965                   * For RK3288: win0 and win1 have only one area and support scale
1966                   * but win2 and win3 don't support scale
1967                   * so hdmi only use win0 or win1
1968                   */
1969                 for (i = 0; i < 2; i++) {
1970                         win = dev_drv->win[i];
1971                         ext_win = ext_dev_drv->win[i];
1972                         ext_win->state = win->state;
1973                         ext_win->id = win->id;
1974                         if (!ext_win->state)
1975                                 continue;
1976                         rk_fb_update_ext_win(ext_dev_drv, dev_drv, ext_win, win);
1977                         rk_fb_set_ext_win_buffer(ext_win, win,
1978                                                  ext_dev_drv->rotate_mode,
1979                                                  ext_dev_drv->iommu_enabled);
1980
1981                         if (ext_dev_drv->rotate_mode > X_Y_MIRROR)
1982                                 rk_fb_win_rotate(ext_win, win,
1983                                                  ext_dev_drv->rotate_mode,
1984                                                  ext_dev_drv->iommu_enabled);
1985
1986                         ext_dev_drv->ops->set_par(ext_dev_drv, i);
1987                         ext_dev_drv->ops->pan_display(ext_dev_drv, i);
1988                 }
1989
1990                 ext_dev_drv->ops->cfg_done(ext_dev_drv);
1991         }
1992 ext_win_exit:
1993         dev_drv->ops->cfg_done(dev_drv);
1994
1995         do {
1996                 timestamp = dev_drv->vsync_info.timestamp;
1997                 timeout = wait_event_interruptible_timeout(dev_drv->vsync_info.wait,
1998                                 ktime_compare(dev_drv->vsync_info.timestamp, timestamp) > 0,
1999                                 msecs_to_jiffies(25));
2000                 if ((rk_fb->disp_mode == DUAL) &&
2001                     (hdmi_get_hotplug() == HDMI_HPD_ACTIVED) &&
2002                     hdmi_switch_complete) {
2003                         /*
2004                          * If dual output, we need make sure the extend display
2005                          * cfg take effect before release fence.
2006                          */
2007                         ext_dev_drv = rk_get_extend_lcdc_drv();
2008                         timeout = wait_event_interruptible_timeout(ext_dev_drv->vsync_info.wait,
2009                                         ktime_compare(ext_dev_drv->vsync_info.timestamp, timestamp) > 0,
2010                                         msecs_to_jiffies(25));
2011                 }
2012
2013                 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
2014                 wait_for_vsync = false;
2015                 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
2016                         if (dev_drv->win[i]->state == 1) {
2017                                 if (rk_fb->disp_policy == DISPLAY_POLICY_BOX &&
2018                                     (dev_drv->win[i]->format == YUV420 ||
2019                                      dev_drv->win[i]->format == YUV420_A ||
2020                                      !strcmp(dev_drv->win[i]->name, "hwc"))) {
2021                                         continue;
2022                                 } else {
2023                                         u32 new_start =
2024                                             dev_drv->win[i]->area[0].smem_start +
2025                                             dev_drv->win[i]->area[0].y_offset;
2026                                         u32 reg_start = dsp_addr[i];
2027
2028                                         if ((rk_fb->disp_policy ==
2029                                              DISPLAY_POLICY_BOX) &&
2030                                             (new_start == 0x0 ||
2031                                              dev_drv->suspend_flag))
2032                                                 continue;
2033                                         if (unlikely(new_start != reg_start)) {
2034                                                 wait_for_vsync = true;
2035                                                 dev_info(dev_drv->dev,
2036                                                        "win%d:new_addr:0x%08x cur_addr:0x%08x--%d\n",
2037                                                        i, new_start, reg_start, 101 - count);
2038                                                 break;
2039                                         }
2040                                 }
2041                         }
2042                 }
2043         } while (wait_for_vsync && count--);
2044 #ifdef H_USE_FENCE
2045         sw_sync_timeline_inc(dev_drv->timeline, 1);
2046 #endif
2047         if (dev_drv->front_regs) {
2048 #if defined(CONFIG_ROCKCHIP_IOMMU)
2049                 if (dev_drv->iommu_enabled) {
2050                         if (dev_drv->ops->mmu_en)
2051                                 dev_drv->ops->mmu_en(dev_drv);
2052                         freed_index = 0;
2053                         g_last_timeout = timeout;
2054                 }
2055 #endif
2056
2057                 mutex_lock(&dev_drv->front_lock);
2058
2059                 for (i = 0; i < dev_drv->front_regs->win_num; i++) {
2060                         win_data = &dev_drv->front_regs->reg_win_data[i];
2061                         rk_fb_free_dma_buf(dev_drv, win_data);
2062                 }
2063                 kfree(dev_drv->front_regs);
2064
2065                 mutex_unlock(&dev_drv->front_lock);
2066
2067 #if defined(CONFIG_ROCKCHIP_IOMMU)
2068                 if (dev_drv->iommu_enabled)
2069                         freed_addr[freed_index] = 0xfefefefe;
2070 #endif
2071         }
2072
2073         mutex_lock(&dev_drv->front_lock);
2074
2075         dev_drv->front_regs = regs;
2076
2077         mutex_unlock(&dev_drv->front_lock);
2078 }
2079
2080 static void rk_fb_update_regs_handler(struct kthread_work *work)
2081 {
2082         struct rk_lcdc_driver *dev_drv =
2083             container_of(work, struct rk_lcdc_driver, update_regs_work);
2084         struct rk_fb_reg_data *data, *next;
2085         /* struct list_head saved_list; */
2086
2087         mutex_lock(&dev_drv->update_regs_list_lock);
2088         saved_list = dev_drv->update_regs_list;
2089         list_replace_init(&dev_drv->update_regs_list, &saved_list);
2090         mutex_unlock(&dev_drv->update_regs_list_lock);
2091
2092         list_for_each_entry_safe(data, next, &saved_list, list) {
2093                 rk_fb_update_reg(dev_drv, data);
2094                 list_del(&data->list);
2095         }
2096
2097         if (dev_drv->wait_fs && list_empty(&dev_drv->update_regs_list))
2098                 wake_up(&dev_drv->update_regs_wait);
2099 }
2100
2101 static int rk_fb_check_config_var(struct rk_fb_area_par *area_par,
2102                                   struct rk_screen *screen)
2103 {
2104         if ((area_par->x_offset + area_par->xact > area_par->xvir) ||
2105             (area_par->xact <= 0) || (area_par->yact <= 0) ||
2106             (area_par->xvir <= 0) || (area_par->yvir <= 0)) {
2107                 pr_err("check config var fail 0:\n"
2108                        "x_offset=%d,xact=%d,xvir=%d\n",
2109                        area_par->x_offset, area_par->xact, area_par->xvir);
2110                 return -EINVAL;
2111         }
2112
2113         if ((area_par->xpos + area_par->xsize > screen->mode.xres) ||
2114             (area_par->ypos + area_par->ysize > screen->mode.yres) ||
2115             (area_par->xsize <= 0) || (area_par->ysize <= 0)) {
2116                 pr_err("check config var fail 1:\n"
2117                        "xpos=%d,xsize=%d,xres=%d\n"
2118                        "ypos=%d,ysize=%d,yres=%d\n",
2119                        area_par->xpos, area_par->xsize, screen->mode.xres,
2120                        area_par->ypos, area_par->ysize, screen->mode.yres);
2121                 return -EINVAL;
2122         }
2123         return 0;
2124 }
2125
2126 static int rk_fb_set_win_buffer(struct fb_info *info,
2127                                 struct rk_fb_win_par *win_par,
2128                                 struct rk_fb_reg_win_data *reg_win_data)
2129 {
2130         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2131         struct fb_fix_screeninfo *fix = &info->fix;
2132         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2133         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2134         struct rk_screen *screen = dev_drv->cur_screen;
2135         struct rk_screen primary_screen;
2136         struct fb_info *fbi = rk_fb->fb[0];
2137         int i, ion_fd, acq_fence_fd;
2138         u32 xvir, yvir;
2139         u32 xoffset, yoffset;
2140
2141         struct ion_handle *hdl;
2142         size_t len;
2143         int index_buf;
2144         u8 fb_data_fmt;
2145         u8 pixel_width;
2146         u32 vir_width_bit;
2147         u32 stride, uv_stride;
2148         u32 stride_32bit_1;
2149         u32 stride_32bit_2;
2150         u16 uv_x_off, uv_y_off, uv_y_act;
2151         u8 is_pic_yuv = 0;
2152         u8 ppixel_a = 0, global_a = 0;
2153         ion_phys_addr_t phy_addr;
2154         int ret = 0;
2155
2156         reg_win_data->reg_area_data[0].smem_start = -1;
2157         reg_win_data->area_num = 0;
2158         fbi = rk_fb->fb[reg_win_data->win_id];
2159         if (win_par->area_par[0].phy_addr == 0) {
2160                 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
2161                         ion_fd = win_par->area_par[i].ion_fd;
2162                         if (ion_fd > 0) {
2163                                 hdl =
2164                                     ion_import_dma_buf(rk_fb->ion_client,
2165                                                        ion_fd);
2166                                 if (IS_ERR(hdl)) {
2167                                         pr_info
2168                                             ("%s: Could not import handle: %d\n",
2169                                              __func__, (int)hdl);
2170                                         /*return -EINVAL; */
2171                                         break;
2172                                 }
2173                                 fbi->screen_base =
2174                                     ion_map_kernel(rk_fb->ion_client, hdl);
2175                                 reg_win_data->area_num++;
2176                                 reg_win_data->reg_area_data[i].ion_handle = hdl;
2177 #ifndef CONFIG_ROCKCHIP_IOMMU
2178                                 ret = ion_phys(rk_fb->ion_client, hdl, &phy_addr,
2179                                                 &len);
2180 #else
2181                                 if (dev_drv->iommu_enabled)
2182                                         ret = ion_map_iommu(dev_drv->dev,
2183                                                                 rk_fb->ion_client,
2184                                                                 hdl,
2185                                                                 (unsigned long *)&phy_addr,
2186                                                                 (unsigned long *)&len);
2187                                 else
2188                                         ret = ion_phys(rk_fb->ion_client, hdl,
2189                                                         &phy_addr, &len);
2190 #endif
2191                                 if (ret < 0) {
2192                                         dev_err(fbi->dev, "ion map to get phy addr failed\n");
2193                                         ion_free(rk_fb->ion_client, hdl);
2194                                         return -ENOMEM;
2195                                 }
2196                                 reg_win_data->reg_area_data[i].smem_start = phy_addr;
2197                                 reg_win_data->area_buf_num++;
2198                                 reg_win_data->reg_area_data[i].index_buf = 1;
2199                         }
2200                 }
2201         } else {
2202                 reg_win_data->reg_area_data[0].smem_start =
2203                     win_par->area_par[0].phy_addr;
2204                 reg_win_data->area_num = 1;
2205                 fbi->screen_base = phys_to_virt(win_par->area_par[0].phy_addr);
2206         }
2207
2208         if (reg_win_data->area_num == 0)
2209                 return 0;
2210
2211         for (i = 0; i < reg_win_data->area_num; i++) {
2212                 acq_fence_fd = win_par->area_par[i].acq_fence_fd;
2213                 index_buf = reg_win_data->reg_area_data[i].index_buf;
2214                 if ((acq_fence_fd > 0) && (index_buf == 1)) {
2215                         reg_win_data->reg_area_data[i].acq_fence =
2216                             sync_fence_fdget(win_par->area_par[i].acq_fence_fd);
2217                 }
2218         }
2219         fb_data_fmt = rk_fb_data_fmt(win_par->data_format, 0);
2220         reg_win_data->data_format = fb_data_fmt;
2221         pixel_width = rk_fb_pixel_width(fb_data_fmt);
2222
2223         ppixel_a = ((fb_data_fmt == ARGB888) ||
2224                     (fb_data_fmt == ABGR888)) ? 1 : 0;
2225         global_a = (win_par->g_alpha_val == 0) ? 0 : 1;
2226         reg_win_data->alpha_en = ppixel_a | global_a;
2227         reg_win_data->g_alpha_val = win_par->g_alpha_val;
2228         reg_win_data->alpha_mode = win_par->alpha_mode;
2229         if (reg_win_data->reg_area_data[0].smem_start > 0) {
2230                 reg_win_data->z_order = win_par->z_order;
2231                 reg_win_data->win_id = win_par->win_id;
2232         } else {
2233                 reg_win_data->z_order = -1;
2234                 reg_win_data->win_id = -1;
2235         }
2236
2237         rk_fb_get_prmry_screen(&primary_screen);
2238         for (i = 0; i < reg_win_data->area_num; i++) {
2239                 if (rk_fb->disp_policy == DISPLAY_POLICY_BOX)
2240                         rk_fb_check_config_var(&win_par->area_par[i], screen);
2241                 else
2242                         rk_fb_check_config_var(&win_par->area_par[i], &primary_screen);
2243                 /* visiable pos in panel */
2244                 reg_win_data->reg_area_data[i].xpos = win_par->area_par[i].xpos;
2245                 reg_win_data->reg_area_data[i].ypos = win_par->area_par[i].ypos;
2246
2247                 /* realy size in panel */
2248                 reg_win_data->reg_area_data[i].xsize = win_par->area_par[i].xsize;
2249                 reg_win_data->reg_area_data[i].ysize = win_par->area_par[i].ysize;
2250
2251                 /* realy size in panel */
2252                 reg_win_data->reg_area_data[i].xact = win_par->area_par[i].xact;
2253                 reg_win_data->reg_area_data[i].yact = win_par->area_par[i].yact;
2254
2255                 xoffset = win_par->area_par[i].x_offset;        /* buf offset */
2256                 yoffset = win_par->area_par[i].y_offset;
2257                 xvir = win_par->area_par[i].xvir;
2258                 reg_win_data->reg_area_data[i].xvir = xvir;
2259                 yvir = win_par->area_par[i].yvir;
2260                 reg_win_data->reg_area_data[i].yvir = yvir;
2261
2262                 vir_width_bit = pixel_width * xvir;
2263                 /* pixel_width = byte_num*8 */
2264                 stride_32bit_1 = ((vir_width_bit + 31) & (~31)) / 8;
2265                 stride_32bit_2 = ((vir_width_bit * 2 + 31) & (~31)) / 8;
2266
2267                 stride = stride_32bit_1;        /* default rgb */
2268                 fix->line_length = stride;
2269                 reg_win_data->reg_area_data[i].y_vir_stride = stride >> 2;
2270
2271                 /* x y mirror ,jump line
2272                  * reg_win_data->reg_area_data[i].y_offset =
2273                  *              yoffset*stride+xoffset*pixel_width/8;
2274                  */
2275                 if (screen->y_mirror == 1) {
2276                         if (screen->interlace == 1) {
2277                                 reg_win_data->reg_area_data[i].y_offset =
2278                                     yoffset * stride * 2 +
2279                                     ((reg_win_data->reg_area_data[i].yact - 1) * 2 + 1) * stride +
2280                                     xoffset * pixel_width / 8;
2281                         } else {
2282                                 reg_win_data->reg_area_data[i].y_offset =
2283                                     yoffset * stride +
2284                                     (reg_win_data->reg_area_data[i].yact - 1) * stride +
2285                                     xoffset * pixel_width / 8;
2286                         }
2287                 } else {
2288                         if (screen->interlace == 1) {
2289                                 reg_win_data->reg_area_data[i].y_offset =
2290                                     yoffset * stride * 2 +
2291                                     xoffset * pixel_width / 8;
2292                         } else {
2293                                 reg_win_data->reg_area_data[i].y_offset =
2294                                     yoffset * stride +
2295                                     xoffset * pixel_width / 8;
2296                         }
2297                 }
2298         }
2299         switch (fb_data_fmt) {
2300         case YUV422:
2301         case YUV422_A:
2302                 is_pic_yuv = 1;
2303                 stride = stride_32bit_1;
2304                 uv_stride = stride_32bit_1 >> 1;
2305                 uv_x_off = xoffset >> 1;
2306                 uv_y_off = yoffset;
2307                 fix->line_length = stride;
2308                 uv_y_act = win_par->area_par[0].yact >> 1;
2309                 break;
2310         case YUV420:            /* 420sp */
2311         case YUV420_A:
2312                 is_pic_yuv = 1;
2313                 stride = stride_32bit_1;
2314                 uv_stride = stride_32bit_1;
2315                 uv_x_off = xoffset;
2316                 uv_y_off = yoffset >> 1;
2317                 fix->line_length = stride;
2318                 uv_y_act = win_par->area_par[0].yact >> 1;
2319                 break;
2320         case YUV444:
2321         case YUV444_A:
2322                 is_pic_yuv = 1;
2323                 stride = stride_32bit_1;
2324                 uv_stride = stride_32bit_2;
2325                 uv_x_off = xoffset * 2;
2326                 uv_y_off = yoffset;
2327                 fix->line_length = stride << 2;
2328                 uv_y_act = win_par->area_par[0].yact;
2329                 break;
2330         default:
2331                 break;
2332         }
2333         if (is_pic_yuv == 1) {
2334                 reg_win_data->reg_area_data[0].cbr_start =
2335                     reg_win_data->reg_area_data[0].smem_start + xvir * yvir;
2336                 reg_win_data->reg_area_data[0].uv_vir_stride = uv_stride >> 2;
2337                 if (screen->y_mirror == 1) {
2338                         if (screen->interlace == 1) {
2339                                 reg_win_data->reg_area_data[0].c_offset =
2340                                     uv_y_off * uv_stride * 2 +
2341                                     ((uv_y_act - 1) * 2 + 1) * uv_stride +
2342                                     uv_x_off * pixel_width / 8;
2343                         } else {
2344                                 reg_win_data->reg_area_data[0].c_offset =
2345                                     uv_y_off * uv_stride +
2346                                     (uv_y_act - 1) * uv_stride +
2347                                     uv_x_off * pixel_width / 8;
2348                         }
2349                 } else {
2350                         if (screen->interlace == 1) {
2351                                 reg_win_data->reg_area_data[0].c_offset =
2352                                     uv_y_off * uv_stride * 2 +
2353                                     uv_x_off * pixel_width / 8;
2354                         } else {
2355                                 reg_win_data->reg_area_data[0].c_offset =
2356                                     uv_y_off * uv_stride +
2357                                     uv_x_off * pixel_width / 8;
2358                         }
2359                 }
2360         }
2361
2362         /* record buffer information for rk_fb_disp_scale to prevent fence timeout
2363          * because rk_fb_disp_scale will call function info->fbops->fb_set_par(info);
2364          */
2365         info->var.yoffset = yoffset;
2366         info->var.xoffset = xoffset;
2367         return 0;
2368 }
2369
2370 static int rk_fb_set_win_config(struct fb_info *info,
2371                                 struct rk_fb_win_cfg_data *win_data)
2372 {
2373         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2374         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2375         struct rk_fb_reg_data *regs;
2376 #ifdef H_USE_FENCE
2377         struct sync_fence *release_fence[RK_MAX_BUF_NUM];
2378         struct sync_fence *retire_fence;
2379         struct sync_pt *release_sync_pt[RK_MAX_BUF_NUM];
2380         struct sync_pt *retire_sync_pt;
2381         char fence_name[20];
2382 #endif
2383         int ret = 0, i, j = 0;
2384         int list_is_empty = 0;
2385
2386         regs = kzalloc(sizeof(struct rk_fb_reg_data), GFP_KERNEL);
2387         if (!regs) {
2388                 printk(KERN_INFO "could not allocate rk_fb_reg_data\n");
2389                 ret = -ENOMEM;
2390                 return ret;
2391         }
2392
2393 /*
2394         regs->post_cfg.xpos = win_data->post_cfg.xpos;
2395         regs->post_cfg.ypos = win_data->post_cfg.ypos;
2396         regs->post_cfg.xsize = win_data->post_cfg.xsize;
2397         regs->post_cfg.ysize = win_data->post_cfg.xsize;
2398 */
2399
2400         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
2401                 if (win_data->win_par[i].win_id < dev_drv->lcdc_win_num) {
2402                         if (rk_fb_set_win_buffer(info, &win_data->win_par[i],
2403                                                         &regs->reg_win_data[j]))
2404                                 return -ENOMEM;
2405                         if (regs->reg_win_data[j].area_num > 0) {
2406                                 regs->win_num++;
2407                                 regs->buf_num +=
2408                                     regs->reg_win_data[j].area_buf_num;
2409                         }
2410                         j++;
2411                 } else {
2412                         printk(KERN_INFO "error:win_id bigger than lcdc_win_num\n");
2413                         printk(KERN_INFO "i=%d,win_id=%d\n", i,
2414                                win_data->win_par[i].win_id);
2415                 }
2416         }
2417
2418         mutex_lock(&dev_drv->output_lock);
2419         if (!(dev_drv->suspend_flag == 0)) {
2420                 rk_fb_update_reg(dev_drv, regs);
2421                 printk(KERN_INFO "suspend_flag = 1\n");
2422                 goto err;
2423         }
2424
2425         dev_drv->timeline_max++;
2426 #ifdef H_USE_FENCE
2427         for (i = 0; i < RK_MAX_BUF_NUM; i++) {
2428                 if (i < regs->buf_num) {
2429                         sprintf(fence_name, "fence%d", i);
2430                         win_data->rel_fence_fd[i] = get_unused_fd();
2431                         if (win_data->rel_fence_fd[i] < 0) {
2432                                 printk(KERN_INFO "rel_fence_fd=%d\n",
2433                                        win_data->rel_fence_fd[i]);
2434                                 ret = -EFAULT;
2435                                 goto err;
2436                         }
2437                         release_sync_pt[i] =
2438                             sw_sync_pt_create(dev_drv->timeline,
2439                                               dev_drv->timeline_max);
2440                         release_fence[i] =
2441                             sync_fence_create(fence_name, release_sync_pt[i]);
2442                         sync_fence_install(release_fence[i],
2443                                            win_data->rel_fence_fd[i]);
2444                 } else {
2445                         win_data->rel_fence_fd[i] = -1;
2446                 }
2447         }
2448
2449         win_data->ret_fence_fd = get_unused_fd();
2450         if (win_data->ret_fence_fd < 0) {
2451                 printk("ret_fence_fd=%d\n", win_data->ret_fence_fd);
2452                 ret = -EFAULT;
2453                 goto err;
2454         }
2455         retire_sync_pt =
2456             sw_sync_pt_create(dev_drv->timeline, dev_drv->timeline_max);
2457         retire_fence = sync_fence_create("ret_fence", retire_sync_pt);
2458         sync_fence_install(retire_fence, win_data->ret_fence_fd);
2459 #else
2460         for (i = 0; i < RK_MAX_BUF_NUM; i++)
2461                 win_data->rel_fence_fd[i] = -1;
2462
2463         win_data->ret_fence_fd = -1;
2464 #endif
2465         if (dev_drv->wait_fs == 0) {
2466                 mutex_lock(&dev_drv->update_regs_list_lock);
2467                 list_add_tail(&regs->list, &dev_drv->update_regs_list);
2468                 mutex_unlock(&dev_drv->update_regs_list_lock);
2469                 queue_kthread_work(&dev_drv->update_regs_worker,
2470                                    &dev_drv->update_regs_work);
2471         } else {
2472                 mutex_lock(&dev_drv->update_regs_list_lock);
2473                 list_is_empty = list_empty(&dev_drv->update_regs_list) &&
2474                                         list_empty(&saved_list);
2475                 mutex_unlock(&dev_drv->update_regs_list_lock);
2476                 if (!list_is_empty) {
2477                         ret = wait_event_timeout(dev_drv->update_regs_wait,
2478                                 list_empty(&dev_drv->update_regs_list) && list_empty(&saved_list),
2479                                 msecs_to_jiffies(60));
2480                         if (ret > 0)
2481                                 rk_fb_update_reg(dev_drv, regs);
2482                         else
2483                                 printk("%s: wait update_regs_wait timeout\n", __func__);
2484                 } else if (ret == 0) {
2485                         rk_fb_update_reg(dev_drv, regs);
2486                 }
2487         }
2488
2489 err:
2490         mutex_unlock(&dev_drv->output_lock);
2491         return ret;
2492 }
2493
2494 #if 1
2495 static int cfgdone_distlist[10] = { 0 };
2496
2497 static int cfgdone_index;
2498 static int cfgdone_lasttime;
2499
2500 int rk_get_real_fps(int before)
2501 {
2502         struct timespec now;
2503         int dist_curr;
2504         int dist_total = 0;
2505         int dist_count = 0;
2506         int dist_first = 0;
2507
2508         int index = cfgdone_index;
2509         int i = 0, fps = 0;
2510         int total;
2511
2512         if (before > 100)
2513                 before = 100;
2514         if (before < 0)
2515                 before = 0;
2516
2517         getnstimeofday(&now);
2518         dist_curr = (now.tv_sec * 1000000 + now.tv_nsec / 1000) -
2519                         cfgdone_lasttime;
2520         total = dist_curr;
2521         /*
2522            printk("fps: ");
2523          */
2524         for (i = 0; i < 10; i++) {
2525                 if (--index < 0)
2526                         index = 9;
2527                 total += cfgdone_distlist[index];
2528                 if (i == 0)
2529                         dist_first = cfgdone_distlist[index];
2530                 if (total < (before * 1000)) {
2531                         /*
2532                            printk("[%d:%d] ", dist_count, cfgdone_distlist[index]);
2533                          */
2534                         dist_total += cfgdone_distlist[index];
2535                         dist_count++;
2536                 } else {
2537                         break;
2538                 }
2539         }
2540
2541         /*
2542            printk("total %d, count %d, curr %d, ", dist_total, dist_count, dist_curr);
2543          */
2544         dist_curr = (dist_curr > dist_first) ? dist_curr : dist_first;
2545         dist_total += dist_curr;
2546         dist_count++;
2547
2548         if (dist_total > 0)
2549                 fps = (1000000 * dist_count) / dist_total;
2550         else
2551                 fps = 60;
2552
2553         /*
2554            printk("curr2 %d, fps=%d\n", dist_curr, fps);
2555          */
2556         return fps;
2557 }
2558 EXPORT_SYMBOL(rk_get_real_fps);
2559
2560 #endif
2561 #ifdef CONFIG_ROCKCHIP_IOMMU
2562 #define ION_MAX 10
2563 static struct ion_handle *ion_hanle[ION_MAX];
2564 static struct ion_handle *ion_hwc[1];
2565 #endif
2566 static int rk_fb_ioctl(struct fb_info *info, unsigned int cmd,
2567                        unsigned long arg)
2568 {
2569         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2570         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2571         struct rk_fb_par *extend_fb_par = NULL;
2572         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2573         struct fb_fix_screeninfo *fix = &info->fix;
2574         int fb_id = 0, extend_win_id = 0;
2575         struct fb_info *extend_info = NULL;
2576         struct rk_lcdc_driver *extend_dev_drv = NULL;
2577         struct rk_lcdc_win *extend_win = NULL;
2578         struct rk_lcdc_win *win;
2579         int enable;     /* enable fb:1 enable;0 disable */
2580         int ovl;        /* overlay:0 win1 on the top of win0;1,win0 on the top of win1 */
2581         int num_buf;    /* buffer_number */
2582         int ret;
2583         struct rk_fb_win_cfg_data win_data;
2584         unsigned int dsp_addr[4];
2585         int list_stat;
2586
2587         int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2588
2589         void __user *argp = (void __user *)arg;
2590         win = dev_drv->win[win_id];
2591         if (rk_fb->disp_mode == DUAL) {
2592                 fb_id = get_extend_fb_id(info);
2593                 extend_info = rk_fb->fb[(rk_fb->num_fb >> 1) + fb_id];
2594                 extend_fb_par = (struct rk_fb_par *)extend_info->par;
2595                 extend_dev_drv = extend_fb_par->lcdc_drv;
2596                 extend_win_id = dev_drv->ops->fb_get_win_id(extend_dev_drv,
2597                                                             extend_info->fix.id);
2598                 extend_win = extend_dev_drv->win[extend_win_id];
2599         }
2600
2601         switch (cmd) {
2602         case RK_FBIOSET_HWC_ADDR:
2603         {
2604                 u32 hwc_phy[1];
2605                 if (copy_from_user(hwc_phy, argp, 4))
2606                         return -EFAULT;
2607 #ifdef CONFIG_ROCKCHIP_IOMMU
2608                 if (!dev_drv->iommu_enabled) {
2609 #endif
2610                         fix->smem_start = hwc_phy[0];
2611 #ifdef CONFIG_ROCKCHIP_IOMMU
2612                 } else {
2613                         int usr_fd;
2614                         struct ion_handle *hdl;
2615                         ion_phys_addr_t phy_addr;
2616                         size_t len;
2617
2618                         usr_fd = hwc_phy[0];
2619                         if (!usr_fd) {
2620                                 fix->smem_start = 0;
2621                                 fix->mmio_start = 0;
2622                                 break;
2623                         }
2624
2625                         if (ion_hwc[0] != 0) {
2626                                 ion_free(rk_fb->ion_client, ion_hwc[0]);
2627                                 ion_hwc[0] = 0;
2628                         }
2629
2630                         hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2631                         if (IS_ERR(hdl)) {
2632                                 dev_err(info->dev, "failed to get hwc ion handle:%ld\n",
2633                                         PTR_ERR(hdl));
2634                                 return -EFAULT;
2635                         }
2636
2637                         ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2638                                                 (unsigned long *)&phy_addr,
2639                                                 (unsigned long *)&len);
2640                         if (ret < 0) {
2641                                 dev_err(info->dev, "ion map to get hwc phy addr failed");
2642                                 ion_free(rk_fb->ion_client, hdl);
2643                                 return -ENOMEM;
2644                         }
2645                         fix->smem_start = phy_addr;
2646                         ion_hwc[0] = hdl;
2647                 }
2648 #endif
2649                 break;
2650         }
2651         case RK_FBIOSET_YUV_ADDR:
2652                 {
2653                         u32 yuv_phy[2];
2654
2655                         if (copy_from_user(yuv_phy, argp, 8))
2656                                 return -EFAULT;
2657                         #ifdef CONFIG_ROCKCHIP_IOMMU
2658                         if (!dev_drv->iommu_enabled || !strcmp(info->fix.id, "fb0")) {
2659                         #endif
2660                                 fix->smem_start = yuv_phy[0];
2661                                 fix->mmio_start = yuv_phy[1];
2662                         #ifdef CONFIG_ROCKCHIP_IOMMU
2663                         } else {
2664                                 int usr_fd, offset, tmp;
2665                                 struct ion_handle *hdl;
2666                                 ion_phys_addr_t phy_addr;
2667                                 size_t len;
2668
2669                                 usr_fd = yuv_phy[0];
2670                                 offset = yuv_phy[1] - yuv_phy[0];
2671
2672                                 if (!usr_fd) {
2673                                         fix->smem_start = 0;
2674                                         fix->mmio_start = 0;
2675                                         break;
2676                                 }
2677
2678                                 if (ion_hanle[ION_MAX - 1] != 0) {
2679                                         /*ion_unmap_kernel(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);*/
2680                                         /*ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client, ion_hanle[ION_MAX - 1]);*/
2681                                         ion_free(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);
2682                                         ion_hanle[ION_MAX - 1] = 0;
2683                                 }
2684
2685                                 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2686                                 if (IS_ERR(hdl)) {
2687                                         dev_err(info->dev, "failed to get ion handle:%ld\n",
2688                                                 PTR_ERR(hdl));
2689                                         return -EFAULT;
2690                                 }
2691
2692                                 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2693                                                         (unsigned long *)&phy_addr,
2694                                                         (unsigned long *)&len);
2695                                 if (ret < 0) {
2696                                         dev_err(info->dev, "ion map to get phy addr failed");
2697                                         ion_free(rk_fb->ion_client, hdl);
2698                                         return -ENOMEM;
2699                                 }
2700                                 fix->smem_start = phy_addr;
2701                                 fix->mmio_start = phy_addr + offset;
2702                                 fix->smem_len = len;
2703                                 /*info->screen_base = ion_map_kernel(rk_fb->ion_client, hdl);*/
2704
2705                                 ion_hanle[0] = hdl;
2706                                 for (tmp = ION_MAX - 1; tmp > 0; tmp--)
2707                                         ion_hanle[tmp] = ion_hanle[tmp - 1];
2708                                 ion_hanle[0] = 0;
2709                         }
2710                         #endif
2711                         break;
2712                 }
2713         case RK_FBIOSET_ENABLE:
2714                 if (copy_from_user(&enable, argp, sizeof(enable)))
2715                         return -EFAULT;
2716                                 if (enable)
2717                                         fb_par->state++;
2718                                 else
2719                                         fb_par->state--;
2720                 dev_drv->ops->open(dev_drv, win_id, enable);
2721                 break;
2722         case RK_FBIOGET_ENABLE:
2723                 enable = dev_drv->ops->get_win_state(dev_drv, win_id);
2724                 if (copy_to_user(argp, &enable, sizeof(enable)))
2725                         return -EFAULT;
2726                 break;
2727         case RK_FBIOSET_OVERLAY_STA:
2728                 if (copy_from_user(&ovl, argp, sizeof(ovl)))
2729                         return -EFAULT;
2730                 dev_drv->ops->ovl_mgr(dev_drv, ovl, 1);
2731                 break;
2732         case RK_FBIOGET_OVERLAY_STA:
2733                 ovl = dev_drv->ops->ovl_mgr(dev_drv, 0, 0);
2734                 if (copy_to_user(argp, &ovl, sizeof(ovl)))
2735                         return -EFAULT;
2736                 break;
2737         case RK_FBIOPUT_NUM_BUFFERS:
2738                 if (copy_from_user(&num_buf, argp, sizeof(num_buf)))
2739                         return -EFAULT;
2740                 dev_drv->num_buf = num_buf;
2741                 break;
2742         case RK_FBIOSET_VSYNC_ENABLE:
2743                 if (copy_from_user(&enable, argp, sizeof(enable)))
2744                         return -EFAULT;
2745                 dev_drv->vsync_info.active = enable;
2746                 break;
2747
2748         case RK_FBIOGET_DSP_ADDR:
2749                 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
2750                 if (copy_to_user(argp, &dsp_addr, sizeof(dsp_addr)))
2751                         return -EFAULT;
2752                 break;
2753         case RK_FBIOGET_LIST_STA:
2754                 list_stat = rk_fb_get_list_stat(dev_drv);
2755                 if (copy_to_user(argp, &list_stat, sizeof(list_stat)))
2756                         return -EFAULT;
2757
2758                 break;
2759         case RK_FBIOGET_IOMMU_STA:
2760                 if (copy_to_user(argp, &dev_drv->iommu_enabled,
2761                                  sizeof(dev_drv->iommu_enabled)))
2762                         return -EFAULT;
2763                 break;
2764 #if defined(CONFIG_ION_ROCKCHIP)
2765         case RK_FBIOSET_DMABUF_FD:
2766                 {
2767                         int usr_fd;
2768                         struct ion_handle *hdl;
2769                         ion_phys_addr_t phy_addr;
2770                         size_t len;
2771                         if (copy_from_user(&usr_fd, argp, sizeof(usr_fd)))
2772                                 return -EFAULT;
2773                         hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2774                         ion_phys(rk_fb->ion_client, hdl, &phy_addr, &len);
2775                         fix->smem_start = phy_addr;
2776                         break;
2777                 }
2778         case RK_FBIOGET_DMABUF_FD:
2779                 {
2780                         int fd = -1;
2781
2782                         if (IS_ERR_OR_NULL(fb_par->ion_hdl)) {
2783                                 dev_err(info->dev,
2784                                         "get dma_buf fd failed,ion handle is err\n");
2785                                 return PTR_ERR(fb_par->ion_hdl);
2786                         }
2787                         fd = ion_share_dma_buf_fd(rk_fb->ion_client,
2788                                                   fb_par->ion_hdl);
2789                         if (fd < 0) {
2790                                 dev_err(info->dev,
2791                                         "ion_share_dma_buf_fd failed\n");
2792                                 return fd;
2793                         }
2794                         if (copy_to_user(argp, &fd, sizeof(fd)))
2795                                 return -EFAULT;
2796                         break;
2797                 }
2798 #endif
2799         case RK_FBIOSET_CLEAR_FB:
2800                 memset(fb_par->fb_virt_base, 0, fb_par->fb_size);
2801                 break;
2802         case RK_FBIOSET_CONFIG_DONE:
2803                 {
2804                         int curr = 0;
2805                         struct timespec now;
2806
2807                         getnstimeofday(&now);
2808                         curr = now.tv_sec * 1000000 + now.tv_nsec / 1000;
2809                         cfgdone_distlist[cfgdone_index++] =
2810                             curr - cfgdone_lasttime;
2811                         /*
2812                            printk("%d ", curr - cfgdone_lasttime);
2813                          */
2814                         cfgdone_lasttime = curr;
2815                         if (cfgdone_index >= 10)
2816                                 cfgdone_index = 0;
2817                 }
2818                 if (copy_from_user(&win_data,
2819                                    (struct rk_fb_win_cfg_data __user *)argp,
2820                                    sizeof(win_data))) {
2821                         ret = -EFAULT;
2822                         break;
2823                 };
2824
2825                 dev_drv->wait_fs = win_data.wait_fs;
2826                 rk_fb_set_win_config(info, &win_data);
2827
2828                 if (copy_to_user((struct rk_fb_win_cfg_data __user *)arg,
2829                                  &win_data, sizeof(win_data))) {
2830                         ret = -EFAULT;
2831                         break;
2832                 }
2833                 memset(&win_data, 0, sizeof(struct rk_fb_win_cfg_data));
2834                 break;
2835         default:
2836                 dev_drv->ops->ioctl(dev_drv, cmd, arg, win_id);
2837                 break;
2838         }
2839
2840         return 0;
2841 }
2842
2843 static int rk_fb_blank(int blank_mode, struct fb_info *info)
2844 {
2845         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2846         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2847         struct fb_fix_screeninfo *fix = &info->fix;
2848         int win_id;
2849 #if defined(CONFIG_RK_HDMI)
2850         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2851 #endif
2852
2853         win_id = dev_drv->ops->fb_get_win_id(dev_drv, fix->id);
2854         if (win_id < 0)
2855                 return -ENODEV;
2856 #if defined(CONFIG_RK_HDMI)
2857         if ((rk_fb->disp_mode == ONE_DUAL) &&
2858             (hdmi_get_hotplug() == HDMI_HPD_ACTIVED)) {
2859                 printk(KERN_INFO "hdmi is connect , not blank lcdc\n");
2860         } else
2861 #endif
2862         {
2863                 dev_drv->ops->blank(dev_drv, win_id, blank_mode);
2864         }
2865         return 0;
2866 }
2867
2868 static int rk_fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
2869 {
2870         if ((0 == var->xres_virtual) || (0 == var->yres_virtual) ||
2871             (0 == var->xres) || (0 == var->yres) || (var->xres < 16) ||
2872             ((16 != var->bits_per_pixel) &&
2873             (32 != var->bits_per_pixel) &&
2874             (24 != var->bits_per_pixel))) {
2875                 dev_err(info->dev, "%s check var fail 1:\n"
2876                         "xres_vir:%d>>yres_vir:%d\n"
2877                         "xres:%d>>yres:%d\n"
2878                         "bits_per_pixel:%d\n",
2879                         info->fix.id,
2880                         var->xres_virtual,
2881                         var->yres_virtual,
2882                         var->xres, var->yres, var->bits_per_pixel);
2883                 return -EINVAL;
2884         }
2885
2886         if (((var->xoffset + var->xres) > var->xres_virtual) ||
2887             ((var->yoffset + var->yres) > (var->yres_virtual))) {
2888                 dev_err(info->dev, "%s check_var fail 2:\n"
2889                         "xoffset:%d>>xres:%d>>xres_vir:%d\n"
2890                         "yoffset:%d>>yres:%d>>yres_vir:%d\n",
2891                         info->fix.id,
2892                         var->xoffset,
2893                         var->xres,
2894                         var->xres_virtual,
2895                         var->yoffset, var->yres, var->yres_virtual);
2896                 return -EINVAL;
2897         }
2898
2899         return 0;
2900 }
2901
2902 static ssize_t rk_fb_read(struct fb_info *info, char __user *buf,
2903                           size_t count, loff_t *ppos)
2904 {
2905         unsigned long p = *ppos;
2906         u8 *buffer, *dst;
2907         u8 __iomem *src;
2908         int c, cnt = 0, err = 0;
2909         unsigned long total_size;
2910         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2911         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2912         struct rk_lcdc_win *win = NULL;
2913         int win_id = 0;
2914
2915         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2916         if (win_id < 0)
2917                 return -ENODEV;
2918         else
2919                 win = dev_drv->win[win_id];
2920
2921         /* only read the current frame buffer */
2922         if (win->format == RGB565) {
2923                 total_size = win->area[0].y_vir_stride * win->area[0].yact << 1;
2924         } else if (win->format == YUV420) {
2925                 total_size =
2926                     (win->area[0].y_vir_stride * win->area[0].yact * 6);
2927         } else {
2928                 total_size = win->area[0].y_vir_stride * win->area[0].yact << 2;
2929         }
2930         if (p >= total_size)
2931                 return 0;
2932
2933         if (count >= total_size)
2934                 count = total_size;
2935
2936         if (count + p > total_size)
2937                 count = total_size - p;
2938
2939         buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
2940         if (!buffer)
2941                 return -ENOMEM;
2942
2943         src = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
2944
2945         while (count) {
2946                 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
2947                 dst = buffer;
2948                 fb_memcpy_fromfb(dst, src, c);
2949                 dst += c;
2950                 src += c;
2951
2952                 if (copy_to_user(buf, buffer, c)) {
2953                         err = -EFAULT;
2954                         break;
2955                 }
2956                 *ppos += c;
2957                 buf += c;
2958                 cnt += c;
2959                 count -= c;
2960         }
2961
2962         kfree(buffer);
2963
2964         return (err) ? err : cnt;
2965 }
2966
2967 static ssize_t rk_fb_write(struct fb_info *info, const char __user *buf,
2968                            size_t count, loff_t *ppos)
2969 {
2970         unsigned long p = *ppos;
2971         u8 *buffer, *src;
2972         u8 __iomem *dst;
2973         int c, cnt = 0, err = 0;
2974         unsigned long total_size;
2975         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2976         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2977         struct rk_lcdc_win *win = NULL;
2978         int win_id = 0;
2979
2980         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2981         if (win_id < 0)
2982                 return -ENODEV;
2983         else
2984                 win = dev_drv->win[win_id];
2985
2986         /* write the current frame buffer */
2987         if (win->format == RGB565)
2988                 total_size = win->area[0].xact * win->area[0].yact << 1;
2989         else
2990                 total_size = win->area[0].xact * win->area[0].yact << 2;
2991
2992         if (p > total_size)
2993                 return -EFBIG;
2994
2995         if (count > total_size) {
2996                 err = -EFBIG;
2997                 count = total_size;
2998         }
2999
3000         if (count + p > total_size) {
3001                 if (!err)
3002                         err = -ENOSPC;
3003
3004                 count = total_size - p;
3005         }
3006
3007         buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
3008         if (!buffer)
3009                 return -ENOMEM;
3010
3011         dst = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
3012
3013         while (count) {
3014                 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
3015                 src = buffer;
3016
3017                 if (copy_from_user(src, buf, c)) {
3018                         err = -EFAULT;
3019                         break;
3020                 }
3021
3022                 fb_memcpy_tofb(dst, src, c);
3023                 dst += c;
3024                 src += c;
3025                 *ppos += c;
3026                 buf += c;
3027                 cnt += c;
3028                 count -= c;
3029         }
3030
3031         kfree(buffer);
3032
3033         return (cnt) ? cnt : err;
3034 }
3035
3036 /*
3037  * function: update extend info acorrding to primary info that only used for dual display mode
3038  * @ext_info: the fb_info of extend screen
3039  * @info: the fb_info of primary screen
3040  * @update_buffer: whether to update extend info buffer, 0: no;1: yes
3041  */
3042 static int rk_fb_update_ext_info(struct fb_info *ext_info,
3043                                         struct fb_info *info, int update_buffer)
3044 {
3045         struct rk_fb *rk_fb =  platform_get_drvdata(fb_pdev);
3046         struct rk_fb_par *fb_par = NULL;
3047         struct rk_fb_par *ext_fb_par = NULL;
3048         struct rk_lcdc_driver *dev_drv = NULL;
3049         struct rk_lcdc_driver *ext_dev_drv = NULL;
3050         struct rk_lcdc_win *win = NULL;
3051         struct rk_lcdc_win *ext_win = NULL;
3052         int win_id = 0, ext_win_id = 0;
3053
3054         if (rk_fb->disp_mode != DUAL || info == ext_info)
3055                 return 0;
3056         if (unlikely(!info) || unlikely(!ext_info))
3057                 return -1;
3058
3059         fb_par = (struct rk_fb_par *)info->par;
3060         ext_fb_par = (struct rk_fb_par *)ext_info->par;
3061         dev_drv = fb_par->lcdc_drv;
3062         ext_dev_drv = ext_fb_par->lcdc_drv;
3063         if (unlikely(!dev_drv) || unlikely(!ext_dev_drv))
3064                 return -1;
3065
3066         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3067         win = dev_drv->win[win_id];
3068         ext_win_id = ext_dev_drv->ops->fb_get_win_id(ext_dev_drv,
3069                                                      ext_info->fix.id);
3070         ext_win = ext_dev_drv->win[ext_win_id];
3071
3072         rk_fb_update_ext_win(ext_dev_drv, dev_drv, ext_win, win);
3073         if (update_buffer) {
3074                 rk_fb_set_ext_win_buffer(ext_win, win, ext_dev_drv->rotate_mode,
3075                                          ext_dev_drv->iommu_enabled);
3076
3077                 /* update extend info display address */
3078                 ext_info->fix.smem_start = ext_win->area[0].smem_start;
3079                 ext_info->fix.mmio_start = ext_win->area[0].cbr_start;
3080
3081                 if (ext_dev_drv->rotate_mode > X_Y_MIRROR)
3082                         rk_fb_rotate(ext_info, info);
3083         }
3084
3085         /* update extend info */
3086         ext_info->var.xres = ext_win->area[0].xact;
3087         ext_info->var.yres = ext_win->area[0].yact;
3088         ext_info->var.xres_virtual = ext_win->area[0].xvir;
3089         ext_info->var.yres_virtual = ext_win->area[0].yvir;
3090
3091         /* config same data format */
3092         ext_info->var.nonstd &= 0xffffff00;
3093         ext_info->var.nonstd |= (info->var.nonstd & 0xff);
3094
3095         ext_info->var.nonstd &= 0xff;
3096         ext_info->var.nonstd |=
3097                 (ext_win->area[0].xpos << 8) + (ext_win->area[0].ypos << 20);
3098
3099         ext_info->var.grayscale &= 0xff;
3100         ext_info->var.grayscale |=
3101                 (ext_win->area[0].xsize << 8) + (ext_win->area[0].ysize << 20);
3102
3103         return 0;
3104 }
3105
3106 static int rk_fb_set_par(struct fb_info *info)
3107 {
3108         struct fb_var_screeninfo *var = &info->var;
3109         struct fb_fix_screeninfo *fix = &info->fix;
3110         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
3111         struct rk_fb_par *extend_fb_par = NULL;
3112         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3113         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
3114         int fb_id, extend_win_id = 0;
3115         struct fb_info *extend_info = NULL;
3116         struct rk_lcdc_driver *extend_dev_drv = NULL;
3117         struct rk_lcdc_win *extend_win = NULL;
3118         struct rk_lcdc_win *win = NULL;
3119         struct rk_screen *screen = dev_drv->cur_screen;
3120         int win_id = 0;
3121         u32 cblen = 0, crlen = 0;
3122         u16 xsize = 0, ysize = 0;       /* winx display window height/width --->LCDC_WINx_DSP_INFO */
3123         u32 xoffset = var->xoffset;     /* offset from virtual to visible */
3124         u32 yoffset = var->yoffset;
3125         u16 xpos = (var->nonstd >> 8) & 0xfff;  /*visiable pos in panel */
3126         u16 ypos = (var->nonstd >> 20) & 0xfff;
3127         u32 xvir = var->xres_virtual;
3128         u32 yvir = var->yres_virtual;
3129         u8 data_format = var->nonstd & 0xff;
3130         u8 fb_data_fmt;
3131         u8 pixel_width;
3132         u32 vir_width_bit;
3133         u32 stride, uv_stride;
3134         u32 stride_32bit_1;
3135         u32 stride_32bit_2;
3136         u16 uv_x_off, uv_y_off, uv_y_act;
3137         u8 is_pic_yuv = 0;
3138
3139         var->pixclock = dev_drv->pixclock;
3140         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3141         if (win_id < 0)
3142                 return -ENODEV;
3143         else
3144                 win = dev_drv->win[win_id];
3145
3146         if (rk_fb->disp_mode == DUAL) {
3147                 fb_id = get_extend_fb_id(info);
3148                 extend_info = rk_fb->fb[(rk_fb->num_fb >> 1) + fb_id];
3149                 extend_fb_par = (struct rk_fb_par *)extend_info->par;
3150                 extend_dev_drv = extend_fb_par->lcdc_drv;
3151                 extend_win_id = dev_drv->ops->fb_get_win_id(extend_dev_drv,
3152                                                             extend_info->fix.id);
3153                 extend_win = extend_dev_drv->win[extend_win_id];
3154         }
3155
3156         /* if the application has specific the horizontal and vertical display size */
3157         if (var->grayscale >> 8) {
3158                 xsize = (var->grayscale >> 8) & 0xfff;
3159                 ysize = (var->grayscale >> 20) & 0xfff;
3160                 if (xsize > screen->mode.xres)
3161                         xsize = screen->mode.xres;
3162                 if (ysize > screen->mode.yres)
3163                         ysize = screen->mode.yres;
3164         } else {                /*ohterwise  full  screen display */
3165                 xsize = screen->mode.xres;
3166                 ysize = screen->mode.yres;
3167         }
3168
3169         fb_data_fmt = rk_fb_data_fmt(data_format, var->bits_per_pixel);
3170         pixel_width = rk_fb_pixel_width(fb_data_fmt);
3171         vir_width_bit = pixel_width * xvir;
3172         /* pixel_width = byte_num * 8 */
3173         stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
3174         stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
3175
3176         switch (fb_data_fmt) {
3177         case YUV422:
3178         case YUV422_A:
3179                 is_pic_yuv = 1;
3180                 stride = stride_32bit_1;
3181                 uv_stride = stride_32bit_1 >> 1;
3182                 uv_x_off = xoffset >> 1;
3183                 uv_y_off = yoffset;
3184                 fix->line_length = stride;
3185                 cblen = crlen = (xvir * yvir) >> 1;
3186                 uv_y_act = win->area[0].yact >> 1;
3187                 break;
3188         case YUV420:            /* 420sp */
3189         case YUV420_A:
3190                 is_pic_yuv = 1;
3191                 stride = stride_32bit_1;
3192                 uv_stride = stride_32bit_1;
3193                 uv_x_off = xoffset;
3194                 uv_y_off = yoffset >> 1;
3195                 fix->line_length = stride;
3196                 cblen = crlen = (xvir * yvir) >> 2;
3197                 uv_y_act = win->area[0].yact >> 1;
3198                 break;
3199         case YUV444:
3200         case YUV444_A:
3201                 is_pic_yuv = 1;
3202                 stride = stride_32bit_1;
3203                 uv_stride = stride_32bit_2;
3204                 uv_x_off = xoffset * 2;
3205                 uv_y_off = yoffset;
3206                 fix->line_length = stride << 2;
3207                 cblen = crlen = (xvir * yvir);
3208                 uv_y_act = win->area[0].yact;
3209                 break;
3210         default:
3211                 stride = stride_32bit_1;        /* default rgb */
3212                 fix->line_length = stride;
3213                 break;
3214         }
3215
3216         /* x y mirror ,jump line */
3217         if (screen->y_mirror == 1) {
3218                 if (screen->interlace == 1) {
3219                         win->area[0].y_offset = yoffset * stride * 2 +
3220                             ((win->area[0].yact - 1) * 2 + 1) * stride +
3221                             xoffset * pixel_width / 8;
3222                 } else {
3223                         win->area[0].y_offset = yoffset * stride +
3224                             (win->area[0].yact - 1) * stride +
3225                             xoffset * pixel_width / 8;
3226                 }
3227         } else {
3228                 if (screen->interlace == 1) {
3229                         win->area[0].y_offset =
3230                             yoffset * stride * 2 + xoffset * pixel_width / 8;
3231                 } else {
3232                         win->area[0].y_offset =
3233                             yoffset * stride + xoffset * pixel_width / 8;
3234                 }
3235         }
3236         if (is_pic_yuv == 1) {
3237                 if (screen->y_mirror == 1) {
3238                         if (screen->interlace == 1) {
3239                                 win->area[0].c_offset =
3240                                     uv_y_off * uv_stride * 2 +
3241                                     ((uv_y_act - 1) * 2 + 1) * uv_stride +
3242                                     uv_x_off * pixel_width / 8;
3243                         } else {
3244                                 win->area[0].c_offset = uv_y_off * uv_stride +
3245                                     (uv_y_act - 1) * uv_stride +
3246                                     uv_x_off * pixel_width / 8;
3247                         }
3248                 } else {
3249                         if (screen->interlace == 1) {
3250                                 win->area[0].c_offset =
3251                                     uv_y_off * uv_stride * 2 +
3252                                     uv_x_off * pixel_width / 8;
3253                         } else {
3254                                 win->area[0].c_offset =
3255                                     uv_y_off * uv_stride +
3256                                     uv_x_off * pixel_width / 8;
3257                         }
3258                 }
3259         }
3260
3261         win->format = fb_data_fmt;
3262         win->area[0].y_vir_stride = stride >> 2;
3263         win->area[0].uv_vir_stride = uv_stride >> 2;
3264         win->area[0].xpos = xpos;
3265         win->area[0].ypos = ypos;
3266         win->area[0].xsize = xsize;
3267         win->area[0].ysize = ysize;
3268         win->area[0].xact = var->xres;  /* winx active window height,is a wint of vir */
3269         win->area[0].yact = var->yres;
3270         win->area[0].xvir = var->xres_virtual;  /* virtual resolution  stride --->LCDC_WINx_VIR */
3271         win->area[0].yvir = var->yres_virtual;
3272
3273         win->area_num = 1;
3274         win->alpha_mode = 4;    /* AB_SRC_OVER; */
3275         win->alpha_en = ((win->format == ARGB888) ||
3276                          (win->format == ABGR888)) ? 1 : 0;
3277         win->g_alpha_val = 0;
3278
3279         if (rk_fb->disp_policy == DISPLAY_POLICY_BOX &&
3280             (win->format == YUV420 || win->format == YUV420_A))
3281             win->state = 1;
3282         if (rk_fb->disp_mode == DUAL) {
3283                 if (extend_win->state && hdmi_switch_complete) {
3284                         if (info != extend_info) {
3285                                 rk_fb_update_ext_win(extend_dev_drv, dev_drv,
3286                                                      extend_win, win);
3287                                 extend_dev_drv->ops->set_par(extend_dev_drv,
3288                                                              extend_win_id);
3289                         }
3290                 }
3291         }
3292         dev_drv->ops->set_par(dev_drv, win_id);
3293
3294         return 0;
3295 }
3296
3297 static inline unsigned int chan_to_field(unsigned int chan,
3298                                          struct fb_bitfield *bf)
3299 {
3300         chan &= 0xffff;
3301         chan >>= 16 - bf->length;
3302         return chan << bf->offset;
3303 }
3304
3305 static int fb_setcolreg(unsigned regno,
3306                         unsigned red, unsigned green, unsigned blue,
3307                         unsigned transp, struct fb_info *info)
3308 {
3309         unsigned int val;
3310
3311         switch (info->fix.visual) {
3312         case FB_VISUAL_TRUECOLOR:
3313                 /* true-colour, use pseudo-palette */
3314                 if (regno < 16) {
3315                         u32 *pal = info->pseudo_palette;
3316                         val = chan_to_field(red, &info->var.red);
3317                         val |= chan_to_field(green, &info->var.green);
3318                         val |= chan_to_field(blue, &info->var.blue);
3319                         pal[regno] = val;
3320                 }
3321                 break;
3322         default:
3323                 return -1;      /* unknown type */
3324         }
3325
3326         return 0;
3327 }
3328
3329 static int rk_fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
3330 {
3331         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3332         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
3333         struct ion_handle *handle = fb_par->ion_hdl;
3334         struct dma_buf *dma_buf = NULL;
3335
3336         if (IS_ERR_OR_NULL(handle)) {
3337                 dev_err(info->dev, "failed to get ion handle:%ld\n",
3338                         PTR_ERR(handle));
3339                 return -ENOMEM;
3340         }
3341         dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3342         if (IS_ERR_OR_NULL(dma_buf)) {
3343                 printk("get ion share dma buf failed\n");
3344                 return -ENOMEM;
3345         }
3346
3347         vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
3348
3349         return dma_buf_mmap(dma_buf, vma, 0);
3350 }
3351
3352 static struct fb_ops fb_ops = {
3353         .owner = THIS_MODULE,
3354         .fb_open = rk_fb_open,
3355         .fb_release = rk_fb_close,
3356         .fb_check_var = rk_fb_check_var,
3357         .fb_set_par = rk_fb_set_par,
3358         .fb_blank = rk_fb_blank,
3359         .fb_ioctl = rk_fb_ioctl,
3360         .fb_pan_display = rk_fb_pan_display,
3361         .fb_read = rk_fb_read,
3362         .fb_write = rk_fb_write,
3363         .fb_setcolreg = fb_setcolreg,
3364         .fb_fillrect = cfb_fillrect,
3365         .fb_copyarea = cfb_copyarea,
3366         .fb_imageblit = cfb_imageblit,
3367 };
3368
3369 static struct fb_var_screeninfo def_var = {
3370 #if defined(CONFIG_LOGO_LINUX_BMP)
3371         .red = {16, 8, 0},
3372         .green = {8, 8, 0},
3373         .blue = {0, 8, 0},
3374         .transp = {0, 0, 0},
3375         .nonstd = HAL_PIXEL_FORMAT_BGRA_8888,
3376 #else
3377         .red = {11, 5, 0},
3378         .green = {5, 6, 0},
3379         .blue = {0, 5, 0},
3380         .transp = {0, 0, 0},
3381         .nonstd = HAL_PIXEL_FORMAT_RGB_565,     /* (ypos<<20+xpos<<8+format) format */
3382 #endif
3383         .grayscale = 0,         /* (ysize<<20+xsize<<8) */
3384         .activate = FB_ACTIVATE_NOW,
3385         .accel_flags = 0,
3386         .vmode = FB_VMODE_NONINTERLACED,
3387 };
3388
3389 static struct fb_fix_screeninfo def_fix = {
3390         .type = FB_TYPE_PACKED_PIXELS,
3391         .type_aux = 0,
3392         .xpanstep = 1,
3393         .ypanstep = 1,
3394         .ywrapstep = 0,
3395         .accel = FB_ACCEL_NONE,
3396         .visual = FB_VISUAL_TRUECOLOR,
3397
3398 };
3399
3400 static int rk_fb_wait_for_vsync_thread(void *data)
3401 {
3402         struct rk_lcdc_driver *dev_drv = data;
3403         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3404         struct fb_info *fbi = rk_fb->fb[0];
3405
3406         while (!kthread_should_stop()) {
3407                 ktime_t timestamp = dev_drv->vsync_info.timestamp;
3408                 int ret = wait_event_interruptible(dev_drv->vsync_info.wait,
3409                                 !ktime_equal(timestamp, dev_drv->vsync_info.timestamp) &&
3410                                 (dev_drv->vsync_info.active || dev_drv->vsync_info.irq_stop));
3411
3412                 if (!ret)
3413                         sysfs_notify(&fbi->dev->kobj, NULL, "vsync");
3414         }
3415
3416         return 0;
3417 }
3418
3419 static ssize_t rk_fb_vsync_show(struct device *dev,
3420                                 struct device_attribute *attr, char *buf)
3421 {
3422         struct fb_info *fbi = dev_get_drvdata(dev);
3423         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3424         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3425         return scnprintf(buf, PAGE_SIZE, "%llu\n",
3426                          ktime_to_ns(dev_drv->vsync_info.timestamp));
3427 }
3428
3429 static DEVICE_ATTR(vsync, S_IRUGO, rk_fb_vsync_show, NULL);
3430
3431 /*
3432  * this two function is for other module that in the kernel which
3433  * need show image directly through fb
3434  * fb_id:we have 4 fb here,default we use fb0 for ui display
3435  */
3436 struct fb_info *rk_get_fb(int fb_id)
3437 {
3438         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3439         struct fb_info *fb = inf->fb[fb_id];
3440         return fb;
3441 }
3442 EXPORT_SYMBOL(rk_get_fb);
3443
3444 void rk_direct_fb_show(struct fb_info *fbi)
3445 {
3446         rk_fb_set_par(fbi);
3447         rk_fb_pan_display(&fbi->var, fbi);
3448 }
3449 EXPORT_SYMBOL(rk_direct_fb_show);
3450
3451 int rk_fb_dpi_open(bool open)
3452 {
3453         struct rk_lcdc_driver *dev_drv = NULL;
3454         dev_drv = rk_get_prmry_lcdc_drv();
3455
3456         if (dev_drv->ops->dpi_open)
3457                 dev_drv->ops->dpi_open(dev_drv, open);
3458         return 0;
3459 }
3460
3461 int rk_fb_dpi_win_sel(int win_id)
3462 {
3463         struct rk_lcdc_driver *dev_drv = NULL;
3464         dev_drv = rk_get_prmry_lcdc_drv();
3465
3466         if (dev_drv->ops->dpi_win_sel)
3467                 dev_drv->ops->dpi_win_sel(dev_drv, win_id);
3468         return 0;
3469 }
3470
3471 int rk_fb_dpi_status(void)
3472 {
3473         int ret = 0;
3474         struct rk_lcdc_driver *dev_drv = NULL;
3475
3476         dev_drv = rk_get_prmry_lcdc_drv();
3477         if (dev_drv->ops->dpi_status)
3478                 ret = dev_drv->ops->dpi_status(dev_drv);
3479
3480         return ret;
3481 }
3482
3483 /*
3484  * function: this function will be called by display device, enable/disable lcdc
3485  * @screen: screen timing to be set to lcdc
3486  * @enable: 0 disable lcdc; 1 enable change lcdc timing; 2 just enable dclk
3487  * @lcdc_id: the lcdc id the display device attached ,0 or 1
3488  */
3489 int rk_fb_switch_screen(struct rk_screen *screen, int enable, int lcdc_id)
3490 {
3491         struct rk_fb *rk_fb =  platform_get_drvdata(fb_pdev);
3492         struct fb_info *info = NULL;
3493         struct fb_info *pmy_info = NULL;
3494         struct rk_fb_par *fb_par = NULL;
3495         struct rk_fb_par *pmy_fb_par = NULL;
3496         struct rk_lcdc_driver *dev_drv = NULL;
3497         char name[6] = {0};
3498         int i, win_id, load_screen = 0;
3499
3500         if (unlikely(!rk_fb) || unlikely(!screen))
3501                 return -ENODEV;
3502
3503         hdmi_switch_complete = 0;
3504         /* get lcdc driver */
3505         sprintf(name, "lcdc%d", lcdc_id);
3506         if (rk_fb->disp_mode != DUAL)
3507                 dev_drv = rk_fb->lcdc_dev_drv[0];
3508         else
3509                 dev_drv = rk_get_lcdc_drv(name);
3510
3511         if (dev_drv == NULL) {
3512                 printk(KERN_ERR "%s driver not found!", name);
3513                 return -ENODEV;
3514         }
3515         if (screen->type == SCREEN_HDMI)
3516                 printk("hdmi %s lcdc%d\n", enable ? "connect to" : "remove from",
3517                         dev_drv->id);
3518         else if (screen->type == SCREEN_TVOUT ||
3519                      screen->type == SCREEN_TVOUT_TEST )
3520                 printk("cvbs %s lcdc%d\n", enable ? "connect to" : "remove from",
3521                         dev_drv->id);
3522         if (enable == 2 /*&& dev_drv->enable*/)
3523                 return 0;
3524
3525         if (rk_fb->disp_mode == ONE_DUAL) {
3526                 if (dev_drv->ops->dsp_black)
3527                         dev_drv->ops->dsp_black(dev_drv, 1);
3528                 if (dev_drv->ops->set_screen_scaler)
3529                         dev_drv->ops->set_screen_scaler(dev_drv, dev_drv->screen0, 0);
3530         }
3531
3532         if (!enable) {
3533                 /* if screen type is different, we do not disable lcdc. */
3534                 if (dev_drv->cur_screen->type != screen->type)
3535                         return 0;
3536
3537                 /* if used one lcdc to dual disp, no need to close win */
3538                 if (rk_fb->disp_mode == ONE_DUAL) {
3539                         dev_drv->cur_screen = dev_drv->screen0;
3540                         dev_drv->ops->load_screen(dev_drv, 1);
3541
3542                         /* force modify dsp size */
3543                         info = rk_fb->fb[dev_drv->fb_index_base];
3544                         info->var.grayscale &= 0xff;
3545                         info->var.grayscale |=
3546                                 (dev_drv->cur_screen->mode.xres << 8) +
3547                                 (dev_drv->cur_screen->mode.yres << 20);
3548                         mutex_lock(&dev_drv->win_config);
3549                         info->fbops->fb_set_par(info);
3550                         info->fbops->fb_pan_display(&info->var, info);
3551                         mutex_unlock(&dev_drv->win_config);
3552
3553                         if (dev_drv->ops->dsp_black)
3554                                 dev_drv->ops->dsp_black(dev_drv, 0);
3555                 } else if (rk_fb->num_lcdc > 1) {
3556                         /* If there is more than one lcdc device, we disable
3557                            the layer which attached to this device */
3558                         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3559                                 if (dev_drv->win[i] && dev_drv->win[i]->state)
3560                                         dev_drv->ops->open(dev_drv, i, 0);
3561                         }
3562                 }
3563
3564                 hdmi_switch_complete = 0;
3565                 return 0;
3566         } else {
3567                 if (dev_drv->screen1)
3568                         dev_drv->cur_screen = dev_drv->screen1;
3569                 memcpy(dev_drv->cur_screen, screen, sizeof(struct rk_screen));
3570                 dev_drv->cur_screen->xsize = dev_drv->cur_screen->mode.xres;
3571                 dev_drv->cur_screen->ysize = dev_drv->cur_screen->mode.yres;
3572                 dev_drv->cur_screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3573                 dev_drv->cur_screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3574         }
3575         if (!dev_drv->uboot_logo) {
3576                 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3577                         info = rk_fb->fb[dev_drv->fb_index_base + i];
3578                         fb_par = (struct rk_fb_par *)info->par;
3579                         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3580                         if (dev_drv->win[win_id]) {
3581                                 if (rk_fb->disp_mode == DUAL) {
3582                                         pmy_info = rk_fb->fb[i];
3583                                         if (pmy_info != info) {
3584                                                 pmy_fb_par =
3585                                                         (struct rk_fb_par *)pmy_info->par;
3586                                                 fb_par->state = pmy_fb_par->state;
3587                                         }
3588                                 }
3589                                 if (fb_par->state) {
3590                                         if (!dev_drv->win[win_id]->state)
3591                                                 dev_drv->ops->open(dev_drv, win_id, 1);
3592                                         if (!load_screen) {
3593                                                 dev_drv->ops->load_screen(dev_drv, 1);
3594                                                 load_screen = 1;
3595                                         }
3596                                         info->var.activate |= FB_ACTIVATE_FORCE;
3597                                         if (rk_fb->disp_mode == DUAL) {
3598                                                 rk_fb_update_ext_info(info, pmy_info, 1);
3599                                         } else if (rk_fb->disp_mode == ONE_DUAL) {
3600                                                 info->var.grayscale &= 0xff;
3601                                                 info->var.grayscale |=
3602                                                         (dev_drv->cur_screen->xsize << 8) +
3603                                                         (dev_drv->cur_screen->ysize << 20);
3604                                         }
3605
3606                                         mutex_lock(&dev_drv->win_config);
3607                                         info->fbops->fb_set_par(info);
3608                                         info->fbops->fb_pan_display(&info->var, info);
3609                                         mutex_unlock(&dev_drv->win_config);
3610                                 }
3611                         }
3612                 }
3613         }else {
3614                 dev_drv->uboot_logo = 0;
3615         }
3616         hdmi_switch_complete = 1;
3617         if (rk_fb->disp_mode == ONE_DUAL) {
3618                 if (dev_drv->ops->set_screen_scaler)
3619                         dev_drv->ops->set_screen_scaler(dev_drv, dev_drv->screen0, 1);
3620                 if (dev_drv->ops->dsp_black)
3621                         dev_drv->ops->dsp_black(dev_drv, 0);
3622         }
3623         return 0;
3624 }
3625
3626 /*
3627  * function:this function current only called by hdmi for
3628  *      scale the display
3629  * scale_x: scale rate of x resolution
3630  * scale_y: scale rate of y resolution
3631  * lcdc_id: the lcdc id the hdmi attached ,0 or 1
3632  */
3633 int rk_fb_disp_scale(u8 scale_x, u8 scale_y, u8 lcdc_id)
3634 {
3635         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3636         struct fb_info *info = NULL;
3637         struct fb_info *pmy_info = NULL;
3638         struct fb_var_screeninfo *var = NULL;
3639         struct rk_lcdc_driver *dev_drv = NULL;
3640         u16 screen_x, screen_y;
3641         u16 xpos, ypos;
3642         char name[6];
3643         struct rk_screen primary_screen;
3644         rk_fb_get_prmry_screen(&primary_screen);
3645         if (primary_screen.type == SCREEN_HDMI) {
3646                 return 0;
3647         }
3648
3649         sprintf(name, "lcdc%d", lcdc_id);
3650
3651         if (inf->disp_mode == DUAL) {
3652                 dev_drv = rk_get_lcdc_drv(name);
3653                 if (dev_drv == NULL) {
3654                         printk(KERN_ERR "%s driver not found!", name);
3655                         return -ENODEV;
3656                 }
3657         } else {
3658                 dev_drv = inf->lcdc_dev_drv[0];
3659         }
3660
3661         if (inf->num_lcdc == 1) {
3662                 info = inf->fb[0];
3663         } else if (inf->num_lcdc == 2) {
3664                 info = inf->fb[dev_drv->lcdc_win_num];
3665                 pmy_info = inf->fb[0];
3666         }
3667
3668         var = &info->var;
3669         screen_x = dev_drv->cur_screen->mode.xres;
3670         screen_y = dev_drv->cur_screen->mode.yres;
3671
3672         if (inf->disp_mode != DUAL && dev_drv->screen1) {
3673                 dev_drv->cur_screen->xpos =
3674                     (screen_x - screen_x * scale_x / 100) >> 1;
3675                 dev_drv->cur_screen->ypos =
3676                     (screen_y - screen_y * scale_y / 100) >> 1;
3677                 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3678                 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3679         } else {
3680                 xpos = (screen_x - screen_x * scale_x / 100) >> 1;
3681                 ypos = (screen_y - screen_y * scale_y / 100) >> 1;
3682                 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3683                 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3684                 if (inf->disp_mode == DUAL) {
3685                         rk_fb_update_ext_info(info, pmy_info, 0);
3686                 } else {
3687                         var->nonstd &= 0xff;
3688                         var->nonstd |= (xpos << 8) + (ypos << 20);
3689                         var->grayscale &= 0xff;
3690                         var->grayscale |=
3691                                 (dev_drv->cur_screen->xsize << 8) +
3692                                 (dev_drv->cur_screen->ysize << 20);
3693                 }
3694         }
3695
3696         mutex_lock(&dev_drv->win_config);
3697         info->fbops->fb_set_par(info);
3698         dev_drv->ops->cfg_done(dev_drv);
3699         mutex_unlock(&dev_drv->win_config);
3700
3701         return 0;
3702 }
3703
3704 #if defined(CONFIG_ION_ROCKCHIP)
3705 static int rk_fb_alloc_buffer_by_ion(struct fb_info *fbi,
3706                                      struct rk_lcdc_win *win,
3707                                      unsigned long fb_mem_size)
3708 {
3709         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3710         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3711         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3712         struct ion_handle *handle;
3713         ion_phys_addr_t phy_addr;
3714         size_t len;
3715         int ret = 0;
3716
3717         if (dev_drv->iommu_enabled)
3718                 handle = ion_alloc(rk_fb->ion_client, (size_t) fb_mem_size, 0,
3719                                    ION_HEAP(ION_VMALLOC_HEAP_ID), 0);
3720         else
3721                 handle = ion_alloc(rk_fb->ion_client, (size_t) fb_mem_size, 0,
3722                                    ION_HEAP(ION_CMA_HEAP_ID), 0);
3723         if (IS_ERR(handle)) {
3724                 dev_err(fbi->device, "failed to ion_alloc:%ld\n",
3725                         PTR_ERR(handle));
3726                 return -ENOMEM;
3727         }
3728
3729         fb_par->ion_hdl = handle;
3730         win->area[0].dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3731         if (IS_ERR_OR_NULL(win->area[0].dma_buf)) {
3732                 printk("ion_share_dma_buf() failed\n");
3733                 goto err_share_dma_buf;
3734         }
3735         win->area[0].ion_hdl = handle;
3736         if (dev_drv->prop == PRMRY)
3737                 fbi->screen_base = ion_map_kernel(rk_fb->ion_client, handle);
3738 #ifdef CONFIG_ROCKCHIP_IOMMU
3739         if (dev_drv->iommu_enabled && dev_drv->mmu_dev)
3740                 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, handle,
3741                                         (unsigned long *)&phy_addr,
3742                                         (unsigned long *)&len);
3743         else
3744                 ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3745 #else
3746         ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3747 #endif
3748         if (ret < 0) {
3749                 dev_err(fbi->dev, "ion map to get phy addr failed\n");
3750                 goto err_share_dma_buf;
3751         }
3752         fbi->fix.smem_start = phy_addr;
3753         fbi->fix.smem_len = len;
3754         printk(KERN_INFO "alloc_buffer:ion_phy_addr=0x%lx\n", phy_addr);
3755         return 0;
3756
3757 err_share_dma_buf:
3758         ion_free(rk_fb->ion_client, handle);
3759         return -ENOMEM;
3760 }
3761 #endif
3762
3763 static int rk_fb_alloc_buffer(struct fb_info *fbi, int fb_id)
3764 {
3765         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3766         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3767         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3768         struct rk_lcdc_win *win = NULL;
3769         int win_id;
3770         int ret = 0;
3771         unsigned long fb_mem_size;
3772 #if !defined(CONFIG_ION_ROCKCHIP)
3773         dma_addr_t fb_mem_phys;
3774         void *fb_mem_virt;
3775 #endif
3776
3777         win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
3778         if (win_id < 0)
3779                 return -ENODEV;
3780         else
3781                 win = dev_drv->win[win_id];
3782
3783         if (!strcmp(fbi->fix.id, "fb0")) {
3784                 fb_mem_size = get_fb_size();
3785 #if defined(CONFIG_ION_ROCKCHIP)
3786                 if (rk_fb_alloc_buffer_by_ion(fbi, win, fb_mem_size) < 0)
3787                         return -ENOMEM;
3788 #else
3789                 fb_mem_virt = dma_alloc_writecombine(fbi->dev, fb_mem_size,
3790                                                      &fb_mem_phys, GFP_KERNEL);
3791                 if (!fb_mem_virt) {
3792                         pr_err("%s: Failed to allocate framebuffer\n",
3793                                __func__);
3794                         return -ENOMEM;
3795                 }
3796                 fbi->fix.smem_len = fb_mem_size;
3797                 fbi->fix.smem_start = fb_mem_phys;
3798                 fbi->screen_base = fb_mem_virt;
3799 #endif
3800                 memset(fbi->screen_base, 0, fbi->fix.smem_len);
3801                 printk(KERN_INFO "fb%d:phy:%lx>>vir:%p>>len:0x%x\n", fb_id,
3802                        fbi->fix.smem_start, fbi->screen_base,
3803                        fbi->fix.smem_len);
3804         } else {
3805                 if (dev_drv->rotate_mode > X_Y_MIRROR) {
3806                         fb_mem_size = get_rotate_fb_size();
3807 #if defined(CONFIG_ION_ROCKCHIP)
3808                         if (rk_fb_alloc_buffer_by_ion(fbi, win, fb_mem_size) < 0)
3809                                 return -ENOMEM;
3810 #else
3811                         fb_mem_virt =
3812                                 dma_alloc_writecombine(fbi->dev,
3813                                                        fb_mem_size,
3814                                                        &fb_mem_phys,
3815                                                        GFP_KERNEL);
3816                         if (!fb_mem_virt) {
3817                                 pr_err("%s: Failed to allocate framebuffer\n",
3818                                         __func__);
3819                                 return -ENOMEM;
3820                         }
3821                         fbi->fix.smem_len = fb_mem_size;
3822                         fbi->fix.smem_start = fb_mem_phys;
3823                         fbi->screen_base = fb_mem_virt;
3824 #endif
3825                 } else {
3826                         fbi->fix.smem_start = rk_fb->fb[0]->fix.smem_start;
3827                         fbi->fix.smem_len = rk_fb->fb[0]->fix.smem_len;
3828                         fbi->screen_base = rk_fb->fb[0]->screen_base;
3829                 }
3830
3831                 printk(KERN_INFO "fb%d:phy:%lx>>vir:%p>>len:0x%x\n", fb_id,
3832                        fbi->fix.smem_start, fbi->screen_base,
3833                        fbi->fix.smem_len);
3834         }
3835
3836         fbi->screen_size = fbi->fix.smem_len;
3837         fb_par->fb_phy_base = fbi->fix.smem_start;
3838         fb_par->fb_virt_base = fbi->screen_base;
3839         fb_par->fb_size = fbi->fix.smem_len;
3840
3841         return ret;
3842 }
3843
3844 #if 0
3845 static int rk_release_fb_buffer(struct fb_info *fbi)
3846 {
3847         /* buffer for fb1 and fb3 are alloc by android */
3848         if (!strcmp(fbi->fix.id, "fb1") || !strcmp(fbi->fix.id, "fb3"))
3849                 return 0;
3850         iounmap(fbi->screen_base);
3851         release_mem_region(fbi->fix.smem_start, fbi->fix.smem_len);
3852         return 0;
3853 }
3854 #endif
3855
3856 static int init_lcdc_win(struct rk_lcdc_driver *dev_drv,
3857                          struct rk_lcdc_win *def_win)
3858 {
3859         int i;
3860         int lcdc_win_num = dev_drv->lcdc_win_num;
3861
3862         for (i = 0; i < lcdc_win_num; i++) {
3863                 struct rk_lcdc_win *win = NULL;
3864                 win = kzalloc(sizeof(struct rk_lcdc_win), GFP_KERNEL);
3865                 if (!win) {
3866                         dev_err(dev_drv->dev, "kzmalloc for win fail!");
3867                         return -ENOMEM;
3868                 }
3869
3870                 strcpy(win->name, def_win[i].name);
3871                 win->id = def_win[i].id;
3872                 win->support_3d = def_win[i].support_3d;
3873                 dev_drv->win[i] = win;
3874         }
3875
3876         return 0;
3877 }
3878
3879 static int init_lcdc_device_driver(struct rk_fb *rk_fb,
3880                                    struct rk_lcdc_win *def_win, int index)
3881 {
3882         struct rk_lcdc_driver *dev_drv = rk_fb->lcdc_dev_drv[index];
3883         struct rk_screen *screen = devm_kzalloc(dev_drv->dev,
3884                                                 sizeof(struct rk_screen),
3885                                                 GFP_KERNEL);
3886
3887         if (!screen) {
3888                 dev_err(dev_drv->dev, "malloc screen for lcdc%d fail!",
3889                         dev_drv->id);
3890                 return -ENOMEM;
3891         }
3892
3893         screen->screen_id = 0;
3894         screen->lcdc_id = dev_drv->id;
3895         screen->overscan.left = 100;
3896         screen->overscan.top = 100;
3897         screen->overscan.right = 100;
3898         screen->overscan.bottom = 100;
3899
3900         screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3901         screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3902
3903         dev_drv->screen0 = screen;
3904         dev_drv->cur_screen = screen;
3905         /* devie use one lcdc + rk61x scaler for dual display */
3906         if (rk_fb->disp_mode == ONE_DUAL) {
3907                 struct rk_screen *screen1 =
3908                                 devm_kzalloc(dev_drv->dev,
3909                                              sizeof(struct rk_screen),
3910                                              GFP_KERNEL);
3911                 if (!screen1) {
3912                         dev_err(dev_drv->dev, "malloc screen1 for lcdc%d fail!",
3913                                 dev_drv->id);
3914                         return -ENOMEM;
3915                 }
3916                 screen1->screen_id = 1;
3917                 screen1->lcdc_id = 1;
3918                 dev_drv->screen1 = screen1;
3919         }
3920         sprintf(dev_drv->name, "lcdc%d", dev_drv->id);
3921         init_lcdc_win(dev_drv, def_win);
3922         init_completion(&dev_drv->frame_done);
3923         spin_lock_init(&dev_drv->cpl_lock);
3924         mutex_init(&dev_drv->fb_win_id_mutex);
3925         mutex_init(&dev_drv->win_config);
3926         mutex_init(&dev_drv->front_lock);
3927         dev_drv->ops->fb_win_remap(dev_drv, dev_drv->fb_win_map);
3928         dev_drv->first_frame = 1;
3929         dev_drv->overscan.left = 100;
3930         dev_drv->overscan.top = 100;
3931         dev_drv->overscan.right = 100;
3932         dev_drv->overscan.bottom = 100;
3933         rk_disp_pwr_ctr_parse_dt(dev_drv);
3934         if (dev_drv->prop == PRMRY) {
3935                 if (dev_drv->ops->set_dsp_cabc)
3936                         dev_drv->ops->set_dsp_cabc(dev_drv, dev_drv->cabc_mode);
3937                 rk_fb_set_prmry_screen(screen);
3938                 rk_fb_get_prmry_screen(screen);
3939         }
3940         dev_drv->trsm_ops = rk_fb_trsm_ops_get(screen->type);
3941         if (dev_drv->prop != PRMRY)
3942                 rk_fb_get_prmry_screen(screen);
3943         dev_drv->output_color = screen->color_mode;
3944
3945         return 0;
3946 }
3947
3948 #ifdef CONFIG_LOGO_LINUX_BMP
3949 static struct linux_logo *bmp_logo;
3950 static int fb_prewine_bmp_logo(struct fb_info *info, int rotate)
3951 {
3952         bmp_logo = fb_find_logo(24);
3953         if (bmp_logo == NULL) {
3954                 printk(KERN_INFO "%s error\n", __func__);
3955                 return 0;
3956         }
3957         return 1;
3958 }
3959
3960 static void fb_show_bmp_logo(struct fb_info *info, int rotate)
3961 {
3962         unsigned char *src = bmp_logo->data;
3963         unsigned char *dst = info->screen_base;
3964         int i;
3965         unsigned int Needwidth = (*(src - 24) << 8) | (*(src - 23));
3966         unsigned int Needheight = (*(src - 22) << 8) | (*(src - 21));
3967
3968         for (i = 0; i < Needheight; i++)
3969                 memcpy(dst + info->var.xres * i * 4,
3970                        src + bmp_logo->width * i * 4, Needwidth * 4);
3971 }
3972 #endif
3973
3974 /*
3975  * check if the primary lcdc has registerd,
3976  * the primary lcdc mas register first
3977  */
3978 bool is_prmry_rk_lcdc_registered(void)
3979 {
3980         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3981
3982         if (rk_fb->lcdc_dev_drv[0])
3983                 return true;
3984         else
3985                 return false;
3986 }
3987
3988 int rk_fb_register(struct rk_lcdc_driver *dev_drv,
3989                    struct rk_lcdc_win *win, int id)
3990 {
3991         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3992         struct fb_info *fbi;
3993         struct rk_fb_par *fb_par = NULL;
3994         int i = 0, ret = 0, index = 0;
3995
3996         if (rk_fb->num_lcdc == RK30_MAX_LCDC_SUPPORT)
3997                 return -ENXIO;
3998
3999         for (i = 0; i < RK30_MAX_LCDC_SUPPORT; i++) {
4000                 if (!rk_fb->lcdc_dev_drv[i]) {
4001                         rk_fb->lcdc_dev_drv[i] = dev_drv;
4002                         rk_fb->lcdc_dev_drv[i]->id = id;
4003                         rk_fb->num_lcdc++;
4004                         break;
4005                 }
4006         }
4007
4008         index = i;
4009         init_lcdc_device_driver(rk_fb, win, index);
4010         dev_drv->fb_index_base = rk_fb->num_fb;
4011         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
4012                 fbi = framebuffer_alloc(0, &fb_pdev->dev);
4013                 if (!fbi) {
4014                         dev_err(&fb_pdev->dev, "fb framebuffer_alloc fail!");
4015                         ret = -ENOMEM;
4016                 }
4017                 fb_par = devm_kzalloc(&fb_pdev->dev, sizeof(struct rk_fb_par),
4018                                       GFP_KERNEL);
4019                 if (!fb_par) {
4020                         dev_err(&fb_pdev->dev, "malloc fb_par for fb%d fail!",
4021                                 rk_fb->num_fb);
4022                         return -ENOMEM;
4023                 }
4024                 fb_par->id = rk_fb->num_fb;
4025                 fb_par->lcdc_drv = dev_drv;
4026                 fbi->par = (void *)fb_par;
4027                 fbi->var = def_var;
4028                 fbi->fix = def_fix;
4029                 sprintf(fbi->fix.id, "fb%d", rk_fb->num_fb);
4030                 fb_videomode_to_var(&fbi->var, &dev_drv->cur_screen->mode);
4031                 fbi->var.grayscale |=
4032                     (fbi->var.xres << 8) + (fbi->var.yres << 20);
4033 #if defined(CONFIG_LOGO_LINUX_BMP)
4034                 fbi->var.bits_per_pixel = 32;
4035 #else
4036                 fbi->var.bits_per_pixel = 16;
4037 #endif
4038                 fbi->fix.line_length =
4039                     (fbi->var.xres_virtual) * (fbi->var.bits_per_pixel >> 3);
4040                 fbi->var.width = dev_drv->cur_screen->width;
4041                 fbi->var.height = dev_drv->cur_screen->height;
4042                 fbi->var.pixclock = dev_drv->pixclock;
4043                 if (dev_drv->iommu_enabled)
4044                         fb_ops.fb_mmap = rk_fb_mmap;
4045                 fbi->fbops = &fb_ops;
4046                 fbi->flags = FBINFO_FLAG_DEFAULT;
4047                 fbi->pseudo_palette = dev_drv->win[i]->pseudo_pal;
4048                 ret = register_framebuffer(fbi);
4049                 if (ret < 0) {
4050                         dev_err(&fb_pdev->dev,
4051                                 "%s fb%d register_framebuffer fail!\n",
4052                                 __func__, rk_fb->num_fb);
4053                         return ret;
4054                 }
4055                 rkfb_create_sysfs(fbi);
4056                 rk_fb->fb[rk_fb->num_fb] = fbi;
4057                 dev_info(fbi->dev, "rockchip framebuffer registerd:%s\n",
4058                          fbi->fix.id);
4059                 rk_fb->num_fb++;
4060
4061                 if (i == 0) {
4062                         init_waitqueue_head(&dev_drv->vsync_info.wait);
4063                         init_waitqueue_head(&dev_drv->update_regs_wait);
4064                         ret = device_create_file(fbi->dev, &dev_attr_vsync);
4065                         if (ret)
4066                                 dev_err(fbi->dev,
4067                                         "failed to create vsync file\n");
4068                         dev_drv->vsync_info.thread =
4069                             kthread_run(rk_fb_wait_for_vsync_thread, dev_drv,
4070                                         "fb-vsync");
4071                         if (dev_drv->vsync_info.thread == ERR_PTR(-ENOMEM)) {
4072                                 dev_err(fbi->dev,
4073                                         "failed to run vsync thread\n");
4074                                 dev_drv->vsync_info.thread = NULL;
4075                         }
4076                         dev_drv->vsync_info.active = 1;
4077
4078                         mutex_init(&dev_drv->output_lock);
4079
4080                         INIT_LIST_HEAD(&dev_drv->update_regs_list);
4081                         mutex_init(&dev_drv->update_regs_list_lock);
4082                         init_kthread_worker(&dev_drv->update_regs_worker);
4083
4084                         dev_drv->update_regs_thread =
4085                             kthread_run(kthread_worker_fn,
4086                                         &dev_drv->update_regs_worker, "rk-fb");
4087                         if (IS_ERR(dev_drv->update_regs_thread)) {
4088                                 int err = PTR_ERR(dev_drv->update_regs_thread);
4089                                 dev_drv->update_regs_thread = NULL;
4090
4091                                 printk("failed to run update_regs thread\n");
4092                                 return err;
4093                         }
4094                         init_kthread_work(&dev_drv->update_regs_work,
4095                                           rk_fb_update_regs_handler);
4096
4097                         dev_drv->timeline =
4098                             sw_sync_timeline_create("fb-timeline");
4099                         dev_drv->timeline_max = 1;
4100                 }
4101         }
4102
4103         /* show logo for primary display device */
4104 #if !defined(CONFIG_FRAMEBUFFER_CONSOLE)
4105         if (dev_drv->prop == PRMRY) {
4106                 struct fb_info *main_fbi = rk_fb->fb[0];
4107                 main_fbi->fbops->fb_open(main_fbi, 1);
4108
4109 #if defined(CONFIG_ROCKCHIP_IOMMU)
4110                 if (dev_drv->iommu_enabled) {
4111                         if (dev_drv->mmu_dev)
4112                                 rockchip_iovmm_set_fault_handler(dev_drv->dev,
4113                                                 rk_fb_sysmmu_fault_handler);
4114                 }
4115 #endif
4116
4117                 rk_fb_alloc_buffer(main_fbi, 0);        /* only alloc memory for main fb */
4118                 dev_drv->uboot_logo = support_uboot_display();
4119 #if !defined(CONFIG_LOGO)
4120                 if (support_uboot_display()) {
4121                         /*
4122                         if (dev_drv->iommu_enabled)
4123                                 rk_fb_copy_from_loader(main_fbi);
4124                         */
4125                         return 0;
4126                 }
4127 #else
4128                 main_fbi->fbops->fb_set_par(main_fbi);
4129 #if  defined(CONFIG_LOGO_LINUX_BMP)
4130                 if (fb_prewine_bmp_logo(main_fbi, FB_ROTATE_UR)) {
4131                         fb_set_cmap(&main_fbi->cmap, main_fbi);
4132                         fb_show_bmp_logo(main_fbi, FB_ROTATE_UR);
4133                 }
4134 #else
4135                 if (fb_prepare_logo(main_fbi, FB_ROTATE_UR)) {
4136                         fb_set_cmap(&main_fbi->cmap, main_fbi);
4137                         fb_show_logo(main_fbi, FB_ROTATE_UR);
4138                 }
4139 #endif
4140                 main_fbi->fbops->fb_pan_display(&main_fbi->var, main_fbi);
4141 #endif
4142         } else {
4143                 struct fb_info *extend_fbi = rk_fb->fb[rk_fb->num_fb >> 1];
4144                 int extend_fb_id = get_extend_fb_id(extend_fbi);
4145
4146                 rk_fb_alloc_buffer(extend_fbi, extend_fb_id);
4147         }
4148 #endif
4149         return 0;
4150 }
4151
4152 int rk_fb_unregister(struct rk_lcdc_driver *dev_drv)
4153 {
4154         struct rk_fb *fb_inf = platform_get_drvdata(fb_pdev);
4155         struct fb_info *fbi;
4156         int fb_index_base = dev_drv->fb_index_base;
4157         int fb_num = dev_drv->lcdc_win_num;
4158         int i = 0;
4159
4160         if (fb_inf->lcdc_dev_drv[i]->vsync_info.thread) {
4161                 fb_inf->lcdc_dev_drv[i]->vsync_info.irq_stop = 1;
4162                 kthread_stop(fb_inf->lcdc_dev_drv[i]->vsync_info.thread);
4163         }
4164
4165         for (i = 0; i < fb_num; i++)
4166                 kfree(dev_drv->win[i]);
4167
4168         for (i = fb_index_base; i < (fb_index_base + fb_num); i++) {
4169                 fbi = fb_inf->fb[i];
4170                 unregister_framebuffer(fbi);
4171                 /* rk_release_fb_buffer(fbi); */
4172                 framebuffer_release(fbi);
4173         }
4174         fb_inf->lcdc_dev_drv[dev_drv->id] = NULL;
4175         fb_inf->num_lcdc--;
4176
4177         return 0;
4178 }
4179
4180 static int rk_fb_probe(struct platform_device *pdev)
4181 {
4182         struct rk_fb *rk_fb = NULL;
4183         struct device_node *np = pdev->dev.of_node;
4184         u32 mode;
4185
4186         if (!np) {
4187                 dev_err(&pdev->dev, "Missing device tree node.\n");
4188                 return -EINVAL;
4189         }
4190
4191         rk_fb = devm_kzalloc(&pdev->dev, sizeof(struct rk_fb), GFP_KERNEL);
4192         if (!rk_fb) {
4193                 dev_err(&pdev->dev, "kmalloc for rk fb fail!");
4194                 return -ENOMEM;
4195         }
4196         platform_set_drvdata(pdev, rk_fb);
4197
4198         if (!of_property_read_u32(np, "rockchip,disp-mode", &mode)) {
4199                 rk_fb->disp_mode = mode;
4200
4201         } else {
4202                 dev_err(&pdev->dev, "no disp-mode node found!");
4203                 return -ENODEV;
4204         }
4205
4206         if (!of_property_read_u32(np, "rockchip,disp-policy", &mode)) {
4207                 rk_fb->disp_policy = mode;
4208                 pr_info("fb disp policy is %s\n", rk_fb->disp_policy ? "box":"sdk");
4209         }
4210
4211         if (!of_property_read_u32(np, "rockchip,uboot-logo-on", &uboot_logo_on))
4212                 printk(KERN_DEBUG "uboot-logo-on:%d\n", uboot_logo_on);
4213
4214         dev_set_name(&pdev->dev, "rockchip-fb");
4215 #if defined(CONFIG_ION_ROCKCHIP)
4216         rk_fb->ion_client = rockchip_ion_client_create("rk_fb");
4217         if (IS_ERR(rk_fb->ion_client)) {
4218                 dev_err(&pdev->dev, "failed to create ion client for rk fb");
4219                 return PTR_ERR(rk_fb->ion_client);
4220         } else {
4221                 dev_info(&pdev->dev, "rk fb ion client create success!\n");
4222         }
4223 #endif
4224
4225         fb_pdev = pdev;
4226         dev_info(&pdev->dev, "rockchip framebuffer driver probe\n");
4227         return 0;
4228 }
4229
4230 static int rk_fb_remove(struct platform_device *pdev)
4231 {
4232         struct rk_fb *rk_fb = platform_get_drvdata(pdev);
4233
4234         kfree(rk_fb);
4235         platform_set_drvdata(pdev, NULL);
4236         return 0;
4237 }
4238
4239 static void rk_fb_shutdown(struct platform_device *pdev)
4240 {
4241         struct rk_fb *rk_fb = platform_get_drvdata(pdev);
4242         int i;
4243
4244         for (i = 0; i < rk_fb->num_lcdc; i++) {
4245                 if (!rk_fb->lcdc_dev_drv[i])
4246                         continue;
4247         }
4248 }
4249
4250 static const struct of_device_id rkfb_dt_ids[] = {
4251         {.compatible = "rockchip,rk-fb",},
4252         {}
4253 };
4254
4255 static struct platform_driver rk_fb_driver = {
4256         .probe = rk_fb_probe,
4257         .remove = rk_fb_remove,
4258         .driver = {
4259                    .name = "rk-fb",
4260                    .owner = THIS_MODULE,
4261                    .of_match_table = of_match_ptr(rkfb_dt_ids),
4262                    },
4263         .shutdown = rk_fb_shutdown,
4264 };
4265
4266 static int __init rk_fb_init(void)
4267 {
4268         return platform_driver_register(&rk_fb_driver);
4269 }
4270
4271 static void __exit rk_fb_exit(void)
4272 {
4273         platform_driver_unregister(&rk_fb_driver);
4274 }
4275
4276 fs_initcall(rk_fb_init);
4277 module_exit(rk_fb_exit);