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 <linux/vmalloc.h>
  28 #include <asm/div64.h>
  29 #include <linux/uaccess.h>
  30 #include <linux/rk_fb.h>
  31 #include <linux/linux_logo.h>
  32 #include <linux/dma-mapping.h>
  33 #include <linux/regulator/consumer.h>
  34
  35 #include "bmp_helper.h"
  36
  37 #if defined(CONFIG_RK_HDMI)
  38 #include "hdmi/rockchip-hdmi.h"
  39 #endif
  40
  41 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
  42 #include "rga/rga.h"
  43 #endif
  44
  45 #ifdef CONFIG_OF
  46 #include <linux/of.h>
  47 #include <linux/of_platform.h>
  48 #include <linux/of_gpio.h>
  49 #include <video/of_display_timing.h>
  50 #include <video/display_timing.h>
  51 #include <dt-bindings/rkfb/rk_fb.h>
  52 #endif
  53
  54 #if defined(CONFIG_ION_ROCKCHIP)
  55 #include <linux/rockchip_ion.h>
  56 #include <linux/rockchip-iovmm.h>
  57 #include <linux/dma-buf.h>
  58 #include <linux/highmem.h>
  59 #endif
  60
  61 #define H_USE_FENCE 1
  62 /* #define FB_ROATE_BY_KERNEL 1 */
  63
  64 static int hdmi_switch_complete;
  65 static struct platform_device *fb_pdev;
  66
  67 #if defined(CONFIG_FB_MIRRORING)
  68 int (*video_data_to_mirroring) (struct fb_info *info, u32 yuv_phy[2]);
  69 EXPORT_SYMBOL(video_data_to_mirroring);
  70 #endif
  71
  72 extern phys_addr_t uboot_logo_base;
  73 extern phys_addr_t uboot_logo_size;
  74 extern phys_addr_t uboot_logo_offset;
  75 static struct rk_fb_trsm_ops *trsm_lvds_ops;
  76 static struct rk_fb_trsm_ops *trsm_edp_ops;
  77 static struct rk_fb_trsm_ops *trsm_mipi_ops;
  78 static int uboot_logo_on;
  79 int support_uboot_display(void)
  80 {
  81         return uboot_logo_on;
  82 }
  83
  84 int rk_fb_get_display_policy(void)
  85 {
  86         struct rk_fb *rk_fb;
  87
  88         if (fb_pdev) {
  89                 rk_fb = platform_get_drvdata(fb_pdev);
  90                 return rk_fb->disp_policy;
  91         } else {
  92                 return DISPLAY_POLICY_SDK;
  93         }
  94 }
  95
  96 int rk_fb_trsm_ops_register(struct rk_fb_trsm_ops *ops, int type)
  97 {
  98         switch (type) {
  99         case SCREEN_RGB:
 100         case SCREEN_LVDS:
 101         case SCREEN_DUAL_LVDS:
 102                 trsm_lvds_ops = ops;
 103                 break;
 104         case SCREEN_EDP:
 105                 trsm_edp_ops = ops;
 106                 break;
 107         case SCREEN_MIPI:
 108         case SCREEN_DUAL_MIPI:
 109                 trsm_mipi_ops = ops;
 110                 break;
 111         default:
 112                 printk(KERN_WARNING "%s:un supported transmitter:%d!\n",
 113                        __func__, type);
 114                 break;
 115         }
 116         return 0;
 117 }
 118
 119 struct rk_fb_trsm_ops *rk_fb_trsm_ops_get(int type)
 120 {
 121         struct rk_fb_trsm_ops *ops;
 122         switch (type) {
 123         case SCREEN_RGB:
 124         case SCREEN_LVDS:
 125         case SCREEN_DUAL_LVDS:
 126                 ops = trsm_lvds_ops;
 127                 break;
 128         case SCREEN_EDP:
 129                 ops = trsm_edp_ops;
 130                 break;
 131         case SCREEN_MIPI:
 132         case SCREEN_DUAL_MIPI:
 133                 ops = trsm_mipi_ops;
 134                 break;
 135         default:
 136                 ops = NULL;
 137                 printk(KERN_WARNING "%s:un supported transmitter:%d!\n",
 138                        __func__, type);
 139                 break;
 140         }
 141         return ops;
 142 }
 143
 144 int rk_fb_pixel_width(int data_format)
 145 {
 146         int pixel_width;
 147         switch (data_format) {
 148         case XBGR888:
 149         case ABGR888:
 150         case ARGB888:
 151         case FBDC_ARGB_888:
 152         case FBDC_RGBX_888:
 153                 pixel_width = 4 * 8;
 154                 break;
 155         case RGB888:
 156                 pixel_width = 3 * 8;
 157                 break;
 158         case RGB565:
 159         case FBDC_RGB_565:
 160                 pixel_width = 2 * 8;
 161                 break;
 162         case YUV422:
 163         case YUV420:
 164         case YUV444:
 165                 pixel_width = 1 * 8;
 166                 break;
 167         case YUV422_A:
 168         case YUV420_A:
 169         case YUV444_A:
 170                 pixel_width = 8;
 171                 break;
 172         default:
 173                 printk(KERN_WARNING "%s:un supported format:0x%x\n",
 174                        __func__, data_format);
 175                 return -EINVAL;
 176         }
 177         return pixel_width;
 178 }
 179
 180 static int rk_fb_data_fmt(int data_format, int bits_per_pixel)
 181 {
 182         int fb_data_fmt;
 183         if (data_format) {
 184                 switch (data_format) {
 185                 case HAL_PIXEL_FORMAT_RGBX_8888:
 186                         fb_data_fmt = XBGR888;
 187                         break;
 188                 case HAL_PIXEL_FORMAT_RGBA_8888:
 189                         fb_data_fmt = ABGR888;
 190                         break;
 191                 case HAL_PIXEL_FORMAT_BGRA_8888:
 192                         fb_data_fmt = ARGB888;
 193                         break;
 194                 case HAL_PIXEL_FORMAT_RGB_888:
 195                         fb_data_fmt = RGB888;
 196                         break;
 197                 case HAL_PIXEL_FORMAT_RGB_565:
 198                         fb_data_fmt = RGB565;
 199                         break;
 200                 case HAL_PIXEL_FORMAT_YCbCr_422_SP:     /* yuv422 */
 201                         fb_data_fmt = YUV422;
 202                         break;
 203                 case HAL_PIXEL_FORMAT_YCrCb_NV12:       /* YUV420---uvuvuv */
 204                         fb_data_fmt = YUV420;
 205                         break;
 206                 case HAL_PIXEL_FORMAT_YCrCb_444:        /* yuv444 */
 207                         fb_data_fmt = YUV444;
 208                         break;
 209                 case HAL_PIXEL_FORMAT_YCrCb_NV12_10:    /* yuv444 */
 210                         fb_data_fmt = YUV420_A;
 211                         break;
 212                 case HAL_PIXEL_FORMAT_YCbCr_422_SP_10:  /* yuv444 */
 213                         fb_data_fmt = YUV422_A;
 214                         break;
 215                 case HAL_PIXEL_FORMAT_YCrCb_420_SP_10:  /* yuv444 */
 216                         fb_data_fmt = YUV444_A;
 217                         break;
 218                 case HAL_PIXEL_FORMAT_FBDC_RGB565:      /* fbdc rgb565*/
 219                         fb_data_fmt = FBDC_RGB_565;
 220                         break;
 221                 case HAL_PIXEL_FORMAT_FBDC_U8U8U8U8:    /* fbdc argb888 */
 222                         fb_data_fmt = FBDC_ARGB_888;
 223                         break;
 224                 case HAL_PIXEL_FORMAT_FBDC_U8U8U8:      /* fbdc rgb888 */
 225                         fb_data_fmt = FBDC_RGBX_888;
 226                         break;
 227                 default:
 228                         printk(KERN_WARNING "%s:un supported format:0x%x\n",
 229                                __func__, data_format);
 230                         return -EINVAL;
 231                 }
 232         } else {
 233                 switch (bits_per_pixel) {
 234                 case 32:
 235                         fb_data_fmt = ARGB888;
 236                         break;
 237                 case 24:
 238                         fb_data_fmt = RGB888;
 239                         break;
 240                 case 16:
 241                         fb_data_fmt = RGB565;
 242                         break;
 243                 default:
 244                         printk(KERN_WARNING
 245                                "%s:un supported bits_per_pixel:%d\n", __func__,
 246                                bits_per_pixel);
 247                         break;
 248                 }
 249         }
 250         return fb_data_fmt;
 251 }
 252
 253 /*
 254  * rk display power control parse from dts
 255  */
 256 int rk_disp_pwr_ctr_parse_dt(struct rk_lcdc_driver *dev_drv)
 257 {
 258         struct device_node *root = of_get_child_by_name(dev_drv->dev->of_node,
 259                                                         "power_ctr");
 260         struct device_node *child;
 261         struct rk_disp_pwr_ctr_list *pwr_ctr;
 262         struct list_head *pos;
 263         enum of_gpio_flags flags;
 264         u32 val = 0;
 265         u32 debug = 0;
 266         int ret;
 267
 268         INIT_LIST_HEAD(&dev_drv->pwrlist_head);
 269         if (!root) {
 270                 dev_err(dev_drv->dev, "can't find power_ctr node for lcdc%d\n",
 271                         dev_drv->id);
 272                 return -ENODEV;
 273         }
 274
 275         for_each_child_of_node(root, child) {
 276                 pwr_ctr = kmalloc(sizeof(struct rk_disp_pwr_ctr_list),
 277                                   GFP_KERNEL);
 278                 strcpy(pwr_ctr->pwr_ctr.name, child->name);
 279                 if (!of_property_read_u32(child, "rockchip,power_type", &val)) {
 280                         if (val == GPIO) {
 281                                 pwr_ctr->pwr_ctr.type = GPIO;
 282                                 pwr_ctr->pwr_ctr.gpio = of_get_gpio_flags(child, 0, &flags);
 283                                 if (!gpio_is_valid(pwr_ctr->pwr_ctr.gpio)) {
 284                                         dev_err(dev_drv->dev, "%s ivalid gpio\n",
 285                                                 child->name);
 286                                         return -EINVAL;
 287                                 }
 288                                 pwr_ctr->pwr_ctr.atv_val = !(flags & OF_GPIO_ACTIVE_LOW);
 289                                 ret = gpio_request(pwr_ctr->pwr_ctr.gpio,
 290                                                    child->name);
 291                                 if (ret) {
 292                                         dev_err(dev_drv->dev,
 293                                                 "request %s gpio fail:%d\n",
 294                                                 child->name, ret);
 295                                 }
 296
 297                         } else {
 298                                 pwr_ctr->pwr_ctr.type = REGULATOR;
 299                                 pwr_ctr->pwr_ctr.rgl_name = NULL;
 300                                 ret = of_property_read_string(child, "rockchip,regulator_name",
 301                                                              &(pwr_ctr->pwr_ctr.rgl_name));
 302                                 if (ret || IS_ERR_OR_NULL(pwr_ctr->pwr_ctr.rgl_name))
 303                                         dev_err(dev_drv->dev, "get regulator name failed!\n");
 304                                 if (!of_property_read_u32(child, "rockchip,regulator_voltage", &val))
 305                                         pwr_ctr->pwr_ctr.volt = val;
 306                                 else
 307                                         pwr_ctr->pwr_ctr.volt = 0;
 308                         }
 309                 };
 310
 311                 if (!of_property_read_u32(child, "rockchip,delay", &val))
 312                         pwr_ctr->pwr_ctr.delay = val;
 313                 else
 314                         pwr_ctr->pwr_ctr.delay = 0;
 315                 list_add_tail(&pwr_ctr->list, &dev_drv->pwrlist_head);
 316         }
 317
 318         of_property_read_u32(root, "rockchip,debug", &debug);
 319
 320         if (debug) {
 321                 list_for_each(pos, &dev_drv->pwrlist_head) {
 322                         pwr_ctr = list_entry(pos, struct rk_disp_pwr_ctr_list,
 323                                              list);
 324                         printk(KERN_INFO "pwr_ctr_name:%s\n"
 325                                "pwr_type:%s\n"
 326                                "gpio:%d\n"
 327                                "atv_val:%d\n"
 328                                "delay:%d\n\n",
 329                                pwr_ctr->pwr_ctr.name,
 330                                (pwr_ctr->pwr_ctr.type == GPIO) ? "gpio" : "regulator",
 331                                pwr_ctr->pwr_ctr.gpio,
 332                                pwr_ctr->pwr_ctr.atv_val,
 333                                pwr_ctr->pwr_ctr.delay);
 334                 }
 335         }
 336
 337         return 0;
 338
 339 }
 340
 341 int rk_disp_pwr_enable(struct rk_lcdc_driver *dev_drv)
 342 {
 343         struct list_head *pos;
 344         struct rk_disp_pwr_ctr_list *pwr_ctr_list;
 345         struct pwr_ctr *pwr_ctr;
 346         struct regulator *regulator_lcd = NULL;
 347         int count = 10;
 348
 349         if (list_empty(&dev_drv->pwrlist_head))
 350                 return 0;
 351         list_for_each(pos, &dev_drv->pwrlist_head) {
 352                 pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list,
 353                                           list);
 354                 pwr_ctr = &pwr_ctr_list->pwr_ctr;
 355                 if (pwr_ctr->type == GPIO) {
 356                         gpio_direction_output(pwr_ctr->gpio, pwr_ctr->atv_val);
 357                         mdelay(pwr_ctr->delay);
 358                 } else if (pwr_ctr->type == REGULATOR) {
 359                         if (pwr_ctr->rgl_name)
 360                                 regulator_lcd = regulator_get(NULL, pwr_ctr->rgl_name);
 361                         if (regulator_lcd == NULL) {
 362                                 dev_err(dev_drv->dev,
 363                                         "%s: regulator get failed,regulator name:%s\n",
 364                                         __func__, pwr_ctr->rgl_name);
 365                                 continue;
 366                         }
 367                         regulator_set_voltage(regulator_lcd, pwr_ctr->volt, pwr_ctr->volt);
 368                         while (!regulator_is_enabled(regulator_lcd)) {
 369                                 if (regulator_enable(regulator_lcd) == 0 || count == 0)
 370                                         break;
 371                                 else
 372                                         dev_err(dev_drv->dev,
 373                                                 "regulator_enable failed,count=%d\n",
 374                                                 count);
 375                                 count--;
 376                         }
 377                         regulator_put(regulator_lcd);
 378                         msleep(pwr_ctr->delay);
 379                 }
 380         }
 381
 382         return 0;
 383 }
 384
 385 int rk_disp_pwr_disable(struct rk_lcdc_driver *dev_drv)
 386 {
 387         struct list_head *pos;
 388         struct rk_disp_pwr_ctr_list *pwr_ctr_list;
 389         struct pwr_ctr *pwr_ctr;
 390         struct regulator *regulator_lcd = NULL;
 391         int count = 10;
 392
 393         if (list_empty(&dev_drv->pwrlist_head))
 394                 return 0;
 395         list_for_each(pos, &dev_drv->pwrlist_head) {
 396                 pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list,
 397                                           list);
 398                 pwr_ctr = &pwr_ctr_list->pwr_ctr;
 399                 if (pwr_ctr->type == GPIO) {
 400                         gpio_set_value(pwr_ctr->gpio, !pwr_ctr->atv_val);
 401                 } else if (pwr_ctr->type == REGULATOR) {
 402                         if (pwr_ctr->rgl_name)
 403                                 regulator_lcd = regulator_get(NULL, pwr_ctr->rgl_name);
 404                         if (regulator_lcd == NULL) {
 405                                 dev_err(dev_drv->dev,
 406                                         "%s: regulator get failed,regulator name:%s\n",
 407                                         __func__, pwr_ctr->rgl_name);
 408                                 continue;
 409                         }
 410                         while (regulator_is_enabled(regulator_lcd) > 0) {
 411                                 if (regulator_disable(regulator_lcd) == 0 || count == 0)
 412                                         break;
 413                                 else
 414                                         dev_err(dev_drv->dev,
 415                                                 "regulator_disable failed,count=%d\n",
 416                                                 count);
 417                                 count--;
 418                         }
 419                         regulator_put(regulator_lcd);
 420                 }
 421         }
 422         return 0;
 423 }
 424
 425 int rk_fb_video_mode_from_timing(const struct display_timing *dt,
 426                                  struct rk_screen *screen)
 427 {
 428         screen->mode.pixclock = dt->pixelclock.typ;
 429         screen->mode.left_margin = dt->hback_porch.typ;
 430         screen->mode.right_margin = dt->hfront_porch.typ;
 431         screen->mode.xres = dt->hactive.typ;
 432         screen->mode.hsync_len = dt->hsync_len.typ;
 433         screen->mode.upper_margin = dt->vback_porch.typ;
 434         screen->mode.lower_margin = dt->vfront_porch.typ;
 435         screen->mode.yres = dt->vactive.typ;
 436         screen->mode.vsync_len = dt->vsync_len.typ;
 437         screen->type = dt->screen_type;
 438         screen->lvds_format = dt->lvds_format;
 439         screen->face = dt->face;
 440         screen->color_mode = dt->color_mode;
 441         screen->dsp_lut = dt->dsp_lut;
 442         screen->cabc_lut = dt->cabc_lut;
 443
 444         if (dt->flags & DISPLAY_FLAGS_PIXDATA_POSEDGE)
 445                 screen->pin_dclk = 1;
 446         else
 447                 screen->pin_dclk = 0;
 448         if (dt->flags & DISPLAY_FLAGS_HSYNC_HIGH)
 449                 screen->pin_hsync = 1;
 450         else
 451                 screen->pin_hsync = 0;
 452         if (dt->flags & DISPLAY_FLAGS_VSYNC_HIGH)
 453                 screen->pin_vsync = 1;
 454         else
 455                 screen->pin_vsync = 0;
 456         if (dt->flags & DISPLAY_FLAGS_DE_HIGH)
 457                 screen->pin_den = 1;
 458         else
 459                 screen->pin_den = 0;
 460
 461         return 0;
 462
 463 }
 464
 465 int rk_fb_prase_timing_dt(struct device_node *np, struct rk_screen *screen)
 466 {
 467         struct display_timings *disp_timing;
 468         struct display_timing *dt;
 469         disp_timing = of_get_display_timings(np);
 470         if (!disp_timing) {
 471                 pr_err("parse display timing err\n");
 472                 return -EINVAL;
 473         }
 474         dt = display_timings_get(disp_timing, disp_timing->native_mode);
 475         rk_fb_video_mode_from_timing(dt, screen);
 476         return 0;
 477
 478 }
 479
 480 int rk_fb_calc_fps(struct rk_screen *screen, u32 pixclock)
 481 {
 482         int x, y;
 483         unsigned long long hz;
 484         if (!screen) {
 485                 printk(KERN_ERR "%s:null screen!\n", __func__);
 486                 return 0;
 487         }
 488         x = screen->mode.xres + screen->mode.left_margin +
 489             screen->mode.right_margin + screen->mode.hsync_len;
 490         y = screen->mode.yres + screen->mode.upper_margin +
 491             screen->mode.lower_margin + screen->mode.vsync_len;
 492
 493         hz = 1000000000000ULL;  /* 1e12 picoseconds per second */
 494
 495         hz += (x * y) / 2;
 496         do_div(hz, x * y);      /* divide by x * y with rounding */
 497
 498         hz += pixclock / 2;
 499         do_div(hz, pixclock);   /* divide by pixclock with rounding */
 500
 501         return hz;
 502 }
 503
 504 char *get_format_string(enum data_format format, char *fmt)
 505 {
 506         if (!fmt)
 507                 return NULL;
 508         switch (format) {
 509         case ARGB888:
 510                 strcpy(fmt, "ARGB888");
 511                 break;
 512         case RGB888:
 513                 strcpy(fmt, "RGB888");
 514                 break;
 515         case RGB565:
 516                 strcpy(fmt, "RGB565");
 517                 break;
 518         case YUV420:
 519                 strcpy(fmt, "YUV420");
 520                 break;
 521         case YUV422:
 522                 strcpy(fmt, "YUV422");
 523                 break;
 524         case YUV444:
 525                 strcpy(fmt, "YUV444");
 526                 break;
 527         case YUV420_A:
 528                 strcpy(fmt, "YUV420_A");
 529                 break;
 530         case YUV422_A:
 531                 strcpy(fmt, "YUV422_A");
 532                 break;
 533         case YUV444_A:
 534                 strcpy(fmt, "YUV444_A");
 535                 break;
 536         case XRGB888:
 537                 strcpy(fmt, "XRGB888");
 538                 break;
 539         case XBGR888:
 540                 strcpy(fmt, "XBGR888");
 541                 break;
 542         case ABGR888:
 543                 strcpy(fmt, "ABGR888");
 544                 break;
 545         case FBDC_RGB_565:
 546                 strcpy(fmt, "FBDC_RGB_565");
 547                 break;
 548         case FBDC_ARGB_888:
 549                 strcpy(fmt, "FBDC_ARGB_888");
 550                 break;
 551         case FBDC_RGBX_888:
 552                 strcpy(fmt, "FBDC_RGBX_888");
 553                 break;
 554         default:
 555                 strcpy(fmt, "invalid");
 556                 break;
 557         }
 558
 559         return fmt;
 560
 561 }
 562
 563 /*
 564  * this is for hdmi
 565  * name: lcdc device name ,lcdc0 , lcdc1
 566  */
 567 struct rk_lcdc_driver *rk_get_lcdc_drv(char *name)
 568 {
 569         struct rk_fb *inf = NULL;
 570         struct rk_lcdc_driver *dev_drv = NULL;
 571         int i = 0;
 572
 573         if (likely(fb_pdev))
 574                 inf = platform_get_drvdata(fb_pdev);
 575         else
 576                 return NULL;
 577
 578         for (i = 0; i < inf->num_lcdc; i++) {
 579                 if (!strcmp(inf->lcdc_dev_drv[i]->name, name)) {
 580                         dev_drv = inf->lcdc_dev_drv[i];
 581                         break;
 582                 }
 583         }
 584
 585         return dev_drv;
 586 }
 587
 588 static struct rk_lcdc_driver *rk_get_prmry_lcdc_drv(void)
 589 {
 590         struct rk_fb *inf = NULL;
 591         struct rk_lcdc_driver *dev_drv = NULL;
 592         int i = 0;
 593
 594         if (likely(fb_pdev))
 595                 inf = platform_get_drvdata(fb_pdev);
 596         else
 597                 return NULL;
 598
 599         for (i = 0; i < inf->num_lcdc; i++) {
 600                 if (inf->lcdc_dev_drv[i]->prop == PRMRY) {
 601                         dev_drv = inf->lcdc_dev_drv[i];
 602                         break;
 603                 }
 604         }
 605
 606         return dev_drv;
 607 }
 608
 609 static __maybe_unused struct rk_lcdc_driver *rk_get_extend_lcdc_drv(void)
 610 {
 611         struct rk_fb *inf = NULL;
 612         struct rk_lcdc_driver *dev_drv = NULL;
 613         int i = 0;
 614
 615         if (likely(fb_pdev))
 616                 inf = platform_get_drvdata(fb_pdev);
 617         else
 618                 return NULL;
 619
 620         for (i = 0; i < inf->num_lcdc; i++) {
 621                 if (inf->lcdc_dev_drv[i]->prop == EXTEND) {
 622                         dev_drv = inf->lcdc_dev_drv[i];
 623                         break;
 624                 }
 625         }
 626
 627         return dev_drv;
 628 }
 629
 630 /*
 631  * get one frame time of the prmry screen, unit: us
 632  */
 633 u32 rk_fb_get_prmry_screen_ft(void)
 634 {
 635         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 636         uint32_t htotal, vtotal, pixclock_ps;
 637         u64 pix_total, ft_us;
 638
 639         if (unlikely(!dev_drv))
 640                 return 0;
 641
 642         pixclock_ps = dev_drv->pixclock;
 643
 644         vtotal = (dev_drv->cur_screen->mode.upper_margin +
 645                  dev_drv->cur_screen->mode.lower_margin +
 646                  dev_drv->cur_screen->mode.yres +
 647                  dev_drv->cur_screen->mode.vsync_len);
 648         htotal = (dev_drv->cur_screen->mode.left_margin +
 649                  dev_drv->cur_screen->mode.right_margin +
 650                  dev_drv->cur_screen->mode.xres +
 651                  dev_drv->cur_screen->mode.hsync_len);
 652         pix_total = htotal * vtotal;
 653         ft_us = pix_total * pixclock_ps;
 654         do_div(ft_us, 1000000);
 655         if (dev_drv->frame_time.ft == 0)
 656                 dev_drv->frame_time.ft = ft_us;
 657
 658         ft_us = dev_drv->frame_time.framedone_t - dev_drv->frame_time.last_framedone_t;
 659         do_div(ft_us, 1000);
 660         ft_us = min(dev_drv->frame_time.ft, (u32)ft_us);
 661         if (ft_us != 0)
 662                 dev_drv->frame_time.ft = ft_us;
 663
 664         return dev_drv->frame_time.ft;
 665 }
 666
 667 /*
 668  * get the vblanking time of the prmry screen, unit: us
 669  */
 670 u32 rk_fb_get_prmry_screen_vbt(void)
 671 {
 672         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 673         uint32_t htotal, vblank, pixclock_ps;
 674         u64 pix_blank, vbt_us;
 675
 676         if (unlikely(!dev_drv))
 677                 return 0;
 678
 679         pixclock_ps = dev_drv->pixclock;
 680
 681         htotal = (dev_drv->cur_screen->mode.left_margin +
 682                  dev_drv->cur_screen->mode.right_margin +
 683                  dev_drv->cur_screen->mode.xres +
 684                  dev_drv->cur_screen->mode.hsync_len);
 685         vblank = (dev_drv->cur_screen->mode.upper_margin +
 686                  dev_drv->cur_screen->mode.lower_margin +
 687                  dev_drv->cur_screen->mode.vsync_len);
 688         pix_blank = htotal * vblank;
 689         vbt_us = pix_blank * pixclock_ps;
 690         do_div(vbt_us, 1000000);
 691         return (u32)vbt_us;
 692 }
 693
 694 /*
 695  * get the frame done time of the prmry screen, unit: us
 696  */
 697 u64 rk_fb_get_prmry_screen_framedone_t(void)
 698 {
 699         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 700
 701         if (unlikely(!dev_drv))
 702                 return 0;
 703         else
 704                 return dev_drv->frame_time.framedone_t;
 705 }
 706
 707 /*
 708  * set prmry screen status
 709  */
 710 int rk_fb_set_prmry_screen_status(int status)
 711 {
 712         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 713         struct rk_screen *screen;
 714
 715         if (unlikely(!dev_drv))
 716                 return 0;
 717
 718         screen = dev_drv->cur_screen;
 719         switch (status) {
 720         case SCREEN_PREPARE_DDR_CHANGE:
 721                 if (screen->type == SCREEN_MIPI
 722                         || screen->type == SCREEN_DUAL_MIPI) {
 723                         if (dev_drv->trsm_ops->dsp_pwr_off)
 724                                 dev_drv->trsm_ops->dsp_pwr_off();
 725                 }
 726                 break;
 727         case SCREEN_UNPREPARE_DDR_CHANGE:
 728                 if (screen->type == SCREEN_MIPI
 729                         || screen->type == SCREEN_DUAL_MIPI) {
 730                         if (dev_drv->trsm_ops->dsp_pwr_on)
 731                                 dev_drv->trsm_ops->dsp_pwr_on();
 732                 }
 733                 break;
 734         default:
 735                 break;
 736         }
 737
 738         return 0;
 739 }
 740
 741 u32 rk_fb_get_prmry_screen_pixclock(void)
 742 {
 743         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 744
 745         if (unlikely(!dev_drv))
 746                 return 0;
 747         else
 748                 return dev_drv->pixclock;
 749 }
 750
 751 int rk_fb_poll_prmry_screen_vblank(void)
 752 {
 753         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 754
 755         if (likely(dev_drv)) {
 756                 if (dev_drv->ops->poll_vblank)
 757                         return dev_drv->ops->poll_vblank(dev_drv);
 758                 else
 759                         return RK_LF_STATUS_NC;
 760         } else {
 761                 return RK_LF_STATUS_NC;
 762         }
 763 }
 764
 765 bool rk_fb_poll_wait_frame_complete(void)
 766 {
 767         uint32_t timeout = RK_LF_MAX_TIMEOUT;
 768         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 769
 770         if (likely(dev_drv)) {
 771                 if (dev_drv->ops->set_irq_to_cpu)
 772                         dev_drv->ops->set_irq_to_cpu(dev_drv, 0);
 773         }
 774
 775         if (rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_NC) {
 776                 if (likely(dev_drv)) {
 777                         if (dev_drv->ops->set_irq_to_cpu)
 778                                 dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
 779                 }
 780                 return false;
 781         }
 782         while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FR) && --timeout)
 783                 ;
 784         while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FC) && --timeout)
 785                 ;
 786         if (likely(dev_drv)) {
 787                 if (dev_drv->ops->set_irq_to_cpu)
 788                         dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
 789         }
 790
 791         return true;
 792 }
 793
 794
 795 /* rk_fb_get_sysmmu_device_by_compatible()
 796  * @compt: dts device compatible name
 797  * return value: success: pointer to the device inside of platform device
 798  *               fail: NULL
 799  */
 800 struct device *rk_fb_get_sysmmu_device_by_compatible(const char *compt)
 801 {
 802         struct device_node *dn = NULL;
 803         struct platform_device *pd = NULL;
 804         struct device *ret = NULL ;
 805
 806         dn = of_find_compatible_node(NULL, NULL, compt);
 807         if (!dn) {
 808                 printk("can't find device node %s \r\n", compt);
 809                 return NULL;
 810         }
 811
 812         pd = of_find_device_by_node(dn);
 813         if (!pd) {
 814                 printk("can't find platform device in device node %s \r\n", compt);
 815                 return  NULL;
 816         }
 817         ret = &pd->dev;
 818
 819         return ret;
 820 }
 821
 822 #ifdef CONFIG_IOMMU_API
 823 void rk_fb_platform_set_sysmmu(struct device *sysmmu, struct device *dev)
 824 {
 825         dev->archdata.iommu = sysmmu;
 826 }
 827 #else
 828 void rk_fb_platform_set_sysmmu(struct device *sysmmu, struct device *dev)
 829 {
 830
 831 }
 832 #endif
 833
 834 static int rk_fb_open(struct fb_info *info, int user)
 835 {
 836         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
 837         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
 838         int win_id;
 839
 840         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
 841         fb_par->state++;
 842         /* if this win aready opened ,no need to reopen */
 843         if (dev_drv->win[win_id]->state)
 844                 return 0;
 845         else
 846                 dev_drv->ops->open(dev_drv, win_id, 1);
 847         return 0;
 848 }
 849
 850 static int rk_fb_close(struct fb_info *info, int user)
 851 {
 852         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
 853         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
 854         struct rk_lcdc_win *win = NULL;
 855         int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
 856
 857         if (win_id >= 0) {
 858                 win = dev_drv->win[win_id];
 859                 fb_par->state--;
 860                 if (!fb_par->state) {
 861                         if (fb_par->fb_phy_base > 0)
 862                                 info->fix.smem_start = fb_par->fb_phy_base;
 863                         info->var.xres = dev_drv->screen0->mode.xres;
 864                         info->var.yres = dev_drv->screen0->mode.yres;
 865                         /*
 866                         info->var.grayscale |=
 867                             (info->var.xres << 8) + (info->var.yres << 20);
 868                         */
 869                         info->var.xres_virtual = info->var.xres;
 870                         info->var.yres_virtual = info->var.yres;
 871 #if defined(CONFIG_LOGO_LINUX_BMP)
 872                         info->var.bits_per_pixel = 32;
 873 #else
 874                         info->var.bits_per_pixel = 16;
 875 #endif
 876                         info->fix.line_length =
 877                             (info->var.xres_virtual) * (info->var.bits_per_pixel >> 3);
 878                         info->var.width = dev_drv->screen0->width;
 879                         info->var.height = dev_drv->screen0->height;
 880                         info->var.pixclock = dev_drv->pixclock;
 881                         info->var.left_margin = dev_drv->screen0->mode.left_margin;
 882                         info->var.right_margin = dev_drv->screen0->mode.right_margin;
 883                         info->var.upper_margin = dev_drv->screen0->mode.upper_margin;
 884                         info->var.lower_margin = dev_drv->screen0->mode.lower_margin;
 885                         info->var.vsync_len = dev_drv->screen0->mode.vsync_len;
 886                         info->var.hsync_len = dev_drv->screen0->mode.hsync_len;
 887                 }
 888         }
 889
 890         return 0;
 891 }
 892
 893 #if defined(FB_ROATE_BY_KERNEL)
 894
 895 #if defined(CONFIG_RK29_IPP)
 896 static int get_ipp_format(int fmt)
 897 {
 898         int ipp_fmt = IPP_XRGB_8888;
 899         switch (fmt) {
 900         case HAL_PIXEL_FORMAT_RGBX_8888:
 901         case HAL_PIXEL_FORMAT_RGBA_8888:
 902         case HAL_PIXEL_FORMAT_BGRA_8888:
 903         case HAL_PIXEL_FORMAT_RGB_888:
 904                 ipp_fmt = IPP_XRGB_8888;
 905                 break;
 906         case HAL_PIXEL_FORMAT_RGB_565:
 907                 ipp_fmt = IPP_RGB_565;
 908                 break;
 909         case HAL_PIXEL_FORMAT_YCbCr_422_SP:
 910                 ipp_fmt = IPP_Y_CBCR_H2V1;
 911                 break;
 912         case HAL_PIXEL_FORMAT_YCrCb_NV12:
 913                 ipp_fmt = IPP_Y_CBCR_H2V2;
 914                 break;
 915         case HAL_PIXEL_FORMAT_YCrCb_444:
 916                 ipp_fmt = IPP_Y_CBCR_H1V1;
 917                 break;
 918         default:
 919                 ipp_fmt = IPP_IMGTYPE_LIMIT;
 920                 break;
 921         }
 922
 923         return ipp_fmt;
 924 }
 925
 926 static void ipp_win_check(int *dst_w, int *dst_h, int *dst_vir_w,
 927                           int rotation, int fmt)
 928 {
 929         int align16 = 2;
 930         int align64 = 8;
 931
 932         if (fmt == IPP_XRGB_8888) {
 933                 align16 = 1;
 934                 align64 = 2;
 935         } else if (fmt == IPP_RGB_565) {
 936                 align16 = 1;
 937                 align64 = 4;
 938         } else {
 939                 align16 = 2;
 940                 align64 = 8;
 941         }
 942         align16 -= 1;           /*for YUV, 1 */
 943         align64 -= 1;           /*for YUV, 7 */
 944
 945         if (rotation == IPP_ROT_0) {
 946                 if (fmt > IPP_RGB_565) {
 947                         if ((*dst_w & 1) != 0)
 948                                 *dst_w = *dst_w + 1;
 949                         if ((*dst_h & 1) != 0)
 950                                 *dst_h = *dst_h + 1;
 951                         if (*dst_vir_w < *dst_w)
 952                                 *dst_vir_w = *dst_w;
 953                 }
 954         } else {
 955                 if ((*dst_w & align64) != 0)
 956                         *dst_w = (*dst_w + align64) & (~align64);
 957                 if ((fmt > IPP_RGB_565) && ((*dst_h & 1) == 1))
 958                         *dst_h = *dst_h + 1;
 959                 if (*dst_vir_w < *dst_w)
 960                         *dst_vir_w = *dst_w;
 961         }
 962 }
 963
 964 static void fb_copy_by_ipp(struct fb_info *dst_info,
 965                                 struct fb_info *src_info)
 966 {
 967         struct rk29_ipp_req ipp_req;
 968         uint32_t rotation = 0;
 969         int dst_w, dst_h, dst_vir_w;
 970         int ipp_fmt;
 971         u8 data_format = (dst_info->var.nonstd) & 0xff;
 972         struct rk_fb_par *fb_par = (struct rk_fb_par *)dst_info->par;
 973         struct rk_lcdc_driver *ext_dev_drv = fb_par->lcdc_drv;
 974         u16 orientation = ext_dev_drv->rotate_mode;
 975
 976         memset(&ipp_req, 0, sizeof(struct rk29_ipp_req));
 977
 978         switch (orientation) {
 979         case 0:
 980                 rotation = IPP_ROT_0;
 981                 break;
 982         case ROTATE_90:
 983                 rotation = IPP_ROT_90;
 984                 break;
 985         case ROTATE_180:
 986                 rotation = IPP_ROT_180;
 987                 break;
 988         case ROTATE_270:
 989                 rotation = IPP_ROT_270;
 990                 break;
 991         default:
 992                 rotation = IPP_ROT_270;
 993                 break;
 994         }
 995
 996         dst_w = dst_info->var.xres;
 997         dst_h = dst_info->var.yres;
 998         dst_vir_w = dst_info->var.xres_virtual;
 999         ipp_fmt = get_ipp_format(data_format);
1000         ipp_win_check(&dst_w, &dst_h, &dst_vir_w, rotation, ipp_fmt);
1001         ipp_req.src0.YrgbMst = src_info->fix.smem_start + offset;
1002         ipp_req.src0.w = src_info->var.xres;
1003         ipp_req.src0.h = src_info->var.yres;
1004         ipp_req.src_vir_w = src_info->var.xres_virtual;
1005         ipp_req.src0.fmt = ipp_fmt;
1006
1007         ipp_req.dst0.YrgbMst = dst_info->fix.smem_start + offset;
1008         ipp_req.dst0.w = dst_w;
1009         ipp_req.dst0.h = dst_h;
1010         ipp_req.dst_vir_w = dst_vir_w;
1011         ipp_req.dst0.fmt = ipp_fmt;
1012
1013         ipp_req.timeout = 100;
1014         ipp_req.flag = rotation;
1015         ipp_blit_sync(&ipp_req);
1016 }
1017
1018 #endif
1019
1020 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1021 static int get_rga_format(int fmt)
1022 {
1023         int rga_fmt = 0;
1024
1025         switch (fmt) {
1026         case XBGR888:
1027                 rga_fmt = RK_FORMAT_RGBX_8888;
1028                 break;
1029         case ABGR888:
1030                 rga_fmt = RK_FORMAT_RGBA_8888;
1031                 break;
1032         case ARGB888:
1033                 rga_fmt = RK_FORMAT_BGRA_8888;
1034                 break;
1035         case RGB888:
1036                 rga_fmt = RK_FORMAT_RGB_888;
1037                 break;
1038         case RGB565:
1039                 rga_fmt = RK_FORMAT_RGB_565;
1040                 break;
1041         case YUV422:
1042                 rga_fmt = RK_FORMAT_YCbCr_422_SP;
1043                 break;
1044         case YUV420:
1045                 rga_fmt = RK_FORMAT_YCbCr_420_SP;
1046                 break;
1047         default:
1048                 rga_fmt = RK_FORMAT_RGBA_8888;
1049                 break;
1050         }
1051
1052         return rga_fmt;
1053 }
1054
1055 static void rga_win_check(struct rk_lcdc_win *dst_win,
1056                           struct rk_lcdc_win *src_win)
1057 {
1058         int format = 0;
1059
1060         format = get_rga_format(src_win->area[0].format);
1061         /* width and height must be even number */
1062         if (format >= RK_FORMAT_YCbCr_422_SP &&
1063             format <= RK_FORMAT_YCrCb_420_P) {
1064                 if ((src_win->area[0].xact % 2) != 0)
1065                         src_win->area[0].xact += 1;
1066                 if ((src_win->area[0].yact % 2) != 0)
1067                         src_win->area[0].yact += 1;
1068         }
1069         if (src_win->area[0].xvir < src_win->area[0].xact)
1070                 src_win->area[0].xvir = src_win->area[0].xact;
1071         if (src_win->area[0].yvir < src_win->area[0].yact)
1072                 src_win->area[0].yvir = src_win->area[0].yact;
1073
1074         format = get_rga_format(dst_win->area[0].format);
1075         if (format >= RK_FORMAT_YCbCr_422_SP &&
1076             format <= RK_FORMAT_YCrCb_420_P) {
1077                 if ((dst_win->area[0].xact % 2) != 0)
1078                         dst_win->area[0].xact += 1;
1079                 if ((dst_win->area[0].yact % 2) != 0)
1080                         dst_win->area[0].yact += 1;
1081         }
1082         if (dst_win->area[0].xvir < dst_win->area[0].xact)
1083                 dst_win->area[0].xvir = dst_win->area[0].xact;
1084         if (dst_win->area[0].yvir < dst_win->area[0].yact)
1085                 dst_win->area[0].yvir = dst_win->area[0].yact;
1086 }
1087
1088 static void win_copy_by_rga(struct rk_lcdc_win *dst_win,
1089                             struct rk_lcdc_win *src_win,
1090                             u16 orientation, int iommu_en)
1091 {
1092         struct rga_req Rga_Request;
1093         long ret = 0;
1094         /* int fd = 0; */
1095
1096         memset(&Rga_Request, 0, sizeof(Rga_Request));
1097         rga_win_check(dst_win, src_win);
1098
1099         switch (orientation) {
1100         case ROTATE_90:
1101                 Rga_Request.rotate_mode = 1;
1102                 Rga_Request.sina = 65536;
1103                 Rga_Request.cosa = 0;
1104                 Rga_Request.dst.act_w = dst_win->area[0].yact;
1105                 Rga_Request.dst.act_h = dst_win->area[0].xact;
1106                 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1107                 Rga_Request.dst.y_offset = 0;
1108                 break;
1109         case ROTATE_180:
1110                 Rga_Request.rotate_mode = 1;
1111                 Rga_Request.sina = 0;
1112                 Rga_Request.cosa = -65536;
1113                 Rga_Request.dst.act_w = dst_win->area[0].xact;
1114                 Rga_Request.dst.act_h = dst_win->area[0].yact;
1115                 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1116                 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1117                 break;
1118         case ROTATE_270:
1119                 Rga_Request.rotate_mode = 1;
1120                 Rga_Request.sina = -65536;
1121                 Rga_Request.cosa = 0;
1122                 Rga_Request.dst.act_w = dst_win->area[0].yact;
1123                 Rga_Request.dst.act_h = dst_win->area[0].xact;
1124                 Rga_Request.dst.x_offset = 0;
1125                 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1126                 break;
1127         default:
1128                 Rga_Request.rotate_mode = 0;
1129                 Rga_Request.dst.act_w = dst_win->area[0].xact;
1130                 Rga_Request.dst.act_h = dst_win->area[0].yact;
1131                 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1132                 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1133                 break;
1134         }
1135
1136 /*
1137         fd = ion_share_dma_buf_fd(rk_fb->ion_client, src_win->area[0].ion_hdl);
1138         Rga_Request.src.yrgb_addr = fd;
1139         fd = ion_share_dma_buf_fd(rk_fb->ion_client, dst_win->area[0].ion_hdl);
1140         Rga_Request.dst.yrgb_addr = fd;
1141 */
1142         Rga_Request.src.yrgb_addr = 0;
1143         Rga_Request.src.uv_addr =
1144             src_win->area[0].smem_start + src_win->area[0].y_offset;
1145         Rga_Request.src.v_addr = 0;
1146
1147         Rga_Request.dst.yrgb_addr = 0;
1148         Rga_Request.dst.uv_addr =
1149             dst_win->area[0].smem_start + dst_win->area[0].y_offset;
1150         Rga_Request.dst.v_addr = 0;
1151
1152         Rga_Request.src.vir_w = src_win->area[0].xvir;
1153         Rga_Request.src.vir_h = src_win->area[0].yvir;
1154         Rga_Request.src.format = get_rga_format(src_win->area[0].format);
1155         Rga_Request.src.act_w = src_win->area[0].xact;
1156         Rga_Request.src.act_h = src_win->area[0].yact;
1157         Rga_Request.src.x_offset = 0;
1158         Rga_Request.src.y_offset = 0;
1159
1160         Rga_Request.dst.vir_w = dst_win->area[0].xvir;
1161         Rga_Request.dst.vir_h = dst_win->area[0].yvir;
1162         Rga_Request.dst.format = get_rga_format(dst_win->area[0].format);
1163
1164         Rga_Request.clip.xmin = 0;
1165         Rga_Request.clip.xmax = dst_win->area[0].xact - 1;
1166         Rga_Request.clip.ymin = 0;
1167         Rga_Request.clip.ymax = dst_win->area[0].yact - 1;
1168         Rga_Request.scale_mode = 0;
1169 #if defined(CONFIG_ROCKCHIP_IOMMU)
1170         if (iommu_en) {
1171                 Rga_Request.mmu_info.mmu_en = 1;
1172                 Rga_Request.mmu_info.mmu_flag = 1;
1173         } else {
1174                 Rga_Request.mmu_info.mmu_en = 0;
1175                 Rga_Request.mmu_info.mmu_flag = 0;
1176         }
1177 #else
1178         Rga_Request.mmu_info.mmu_en = 0;
1179         Rga_Request.mmu_info.mmu_flag = 0;
1180 #endif
1181
1182         ret = rga_ioctl_kernel(&Rga_Request);
1183 }
1184
1185 /*
1186  * This function is used for copying fb by RGA Module
1187  * RGA only support copy RGB to RGB
1188  * RGA2 support copy RGB to RGB and YUV to YUV
1189  */
1190 static void fb_copy_by_rga(struct fb_info *dst_info,
1191                                 struct fb_info *src_info)
1192 {
1193         struct rk_fb_par *src_fb_par = (struct rk_fb_par *)src_info->par;
1194         struct rk_fb_par *dst_fb_par = (struct rk_fb_par *)dst_info->par;
1195         struct rk_lcdc_driver *dev_drv = src_fb_par->lcdc_drv;
1196         struct rk_lcdc_driver *ext_dev_drv = dst_fb_par->lcdc_drv;
1197         int win_id = 0, ext_win_id;
1198         struct rk_lcdc_win *src_win, *dst_win;
1199
1200         win_id = dev_drv->ops->fb_get_win_id(dev_drv, src_info->fix.id);
1201         src_win = dev_drv->win[win_id];
1202
1203         ext_win_id =
1204             ext_dev_drv->ops->fb_get_win_id(ext_dev_drv, dst_info->fix.id);
1205         dst_win = ext_dev_drv->win[ext_win_id];
1206
1207         win_copy_by_rga(dst_win, src_win, ext_dev_drv->rotate_mode,
1208                         ext_dev_drv->iommu_enabled);
1209 }
1210 #endif
1211
1212 static int rk_fb_rotate(struct fb_info *dst_info,
1213                           struct fb_info *src_info)
1214 {
1215
1216 #if defined(CONFIG_RK29_IPP)
1217         fb_copy_by_ipp(dst_info, src_info);
1218 #elif defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1219         fb_copy_by_rga(dst_info, src_info);
1220 #else
1221         return -1;
1222 #endif
1223         return 0;
1224 }
1225
1226 static int __maybe_unused rk_fb_win_rotate(struct rk_lcdc_win *dst_win,
1227                                             struct rk_lcdc_win *src_win,
1228                                             u16 rotate, int iommu_en)
1229 {
1230 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1231         win_copy_by_rga(dst_win, src_win, rotate, iommu_en);
1232 #else
1233         return -1;
1234 #endif
1235         return 0;
1236 }
1237
1238 #endif
1239
1240 static int rk_fb_pan_display(struct fb_var_screeninfo *var,
1241                              struct fb_info *info)
1242 {
1243         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1244         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1245         struct fb_fix_screeninfo *fix = &info->fix;
1246         int win_id = 0;
1247         struct rk_lcdc_win *win = NULL;
1248         struct rk_screen *screen = dev_drv->cur_screen;
1249         u32 xoffset = var->xoffset;
1250         u32 yoffset = var->yoffset;
1251         u32 xvir = var->xres_virtual;
1252         u8 pixel_width;
1253         u32 vir_width_bit;
1254         u32 stride, uv_stride;
1255         u32 stride_32bit_1;
1256         u32 stride_32bit_2;
1257         u16 uv_x_off, uv_y_off, uv_y_act;
1258         u8 is_pic_yuv = 0;
1259
1260         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1261         if (win_id < 0)
1262                 return -ENODEV;
1263         else
1264                 win = dev_drv->win[win_id];
1265
1266         pixel_width = rk_fb_pixel_width(win->area[0].format);
1267         vir_width_bit = pixel_width * xvir;
1268         stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
1269         stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
1270
1271         switch (win->area[0].format) {
1272         case YUV422:
1273         case YUV422_A:
1274                 is_pic_yuv = 1;
1275                 stride = stride_32bit_1;
1276                 uv_stride = stride_32bit_1 >> 1;
1277                 uv_x_off = xoffset >> 1;
1278                 uv_y_off = yoffset;
1279                 fix->line_length = stride;
1280                 uv_y_act = win->area[0].yact >> 1;
1281                 break;
1282         case YUV420:            /* 420sp */
1283         case YUV420_A:
1284                 is_pic_yuv = 1;
1285                 stride = stride_32bit_1;
1286                 uv_stride = stride_32bit_1;
1287                 uv_x_off = xoffset;
1288                 uv_y_off = yoffset >> 1;
1289                 fix->line_length = stride;
1290                 uv_y_act = win->area[0].yact >> 1;
1291                 break;
1292         case YUV444:
1293         case YUV444_A:
1294                 is_pic_yuv = 1;
1295                 stride = stride_32bit_1;
1296                 uv_stride = stride_32bit_2;
1297                 uv_x_off = xoffset * 2;
1298                 uv_y_off = yoffset;
1299                 fix->line_length = stride << 2;
1300                 uv_y_act = win->area[0].yact;
1301                 break;
1302         default:
1303                 stride = stride_32bit_1;        /* default rgb */
1304                 fix->line_length = stride;
1305                 break;
1306         }
1307
1308         /* x y mirror ,jump line */
1309         if ((screen->y_mirror == 1) ||
1310             (win->mirror_en == 1)) {
1311                 if (screen->interlace == 1) {
1312                         win->area[0].y_offset = yoffset * stride * 2 +
1313                             ((win->area[0].yact - 1) * 2 + 1) * stride +
1314                             xoffset * pixel_width / 8;
1315                 } else {
1316                         win->area[0].y_offset = yoffset * stride +
1317                             (win->area[0].yact - 1) * stride +
1318                             xoffset * pixel_width / 8;
1319                 }
1320         } else {
1321                 if (screen->interlace == 1) {
1322                         win->area[0].y_offset =
1323                             yoffset * stride * 2 + xoffset * pixel_width / 8;
1324                 } else {
1325                         win->area[0].y_offset =
1326                             yoffset * stride + xoffset * pixel_width / 8;
1327                 }
1328         }
1329         if (is_pic_yuv == 1) {
1330                 if ((screen->y_mirror == 1) ||
1331                     (win->mirror_en == 1)) {
1332                         if (screen->interlace == 1) {
1333                                 win->area[0].c_offset =
1334                                     uv_y_off * uv_stride * 2 +
1335                                     ((uv_y_act - 1) * 2 + 1) * uv_stride +
1336                                     uv_x_off * pixel_width / 8;
1337                         } else {
1338                                 win->area[0].c_offset = uv_y_off * uv_stride +
1339                                     (uv_y_act - 1) * uv_stride +
1340                                     uv_x_off * pixel_width / 8;
1341                         }
1342                 } else {
1343                         if (screen->interlace == 1) {
1344                                 win->area[0].c_offset =
1345                                     uv_y_off * uv_stride * 2 +
1346                                     uv_x_off * pixel_width / 8;
1347                         } else {
1348                                 win->area[0].c_offset =
1349                                     uv_y_off * uv_stride +
1350                                     uv_x_off * pixel_width / 8;
1351                         }
1352                 }
1353         }
1354
1355         win->area[0].smem_start = fix->smem_start;
1356         win->area[0].cbr_start = fix->mmio_start;
1357         win->area[0].state = 1;
1358         win->area_num = 1;
1359
1360         dev_drv->ops->pan_display(dev_drv, win_id);
1361
1362 #ifdef  CONFIG_FB_MIRRORING
1363         if (video_data_to_mirroring)
1364                 video_data_to_mirroring(info, NULL);
1365 #endif
1366         dev_drv->ops->cfg_done(dev_drv);
1367
1368         return 0;
1369 }
1370
1371 static int rk_fb_get_list_stat(struct rk_lcdc_driver *dev_drv)
1372 {
1373         int i, j;
1374
1375         i = list_empty(&dev_drv->update_regs_list);
1376         j = list_empty(&dev_drv->saved_list);
1377         return i == j ? 0 : 1;
1378 }
1379
1380 void rk_fd_fence_wait(struct rk_lcdc_driver *dev_drv, struct sync_fence *fence)
1381 {
1382         int err = sync_fence_wait(fence, 1000);
1383
1384         if (err >= 0)
1385                 return;
1386
1387         if (err == -ETIME)
1388                 err = sync_fence_wait(fence, 10 * MSEC_PER_SEC);
1389
1390         if (err < 0)
1391                 printk("error waiting on fence\n");
1392 }
1393 #if 0
1394 static int rk_fb_copy_from_loader(struct fb_info *info)
1395 {
1396         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1397         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1398         void *dst = info->screen_base;
1399         u32 dsp_addr[4];
1400         u32 src;
1401         u32 i,size;
1402         int win_id;
1403         struct rk_lcdc_win *win;
1404
1405         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1406         win = dev_drv->win[win_id];
1407         size = (win->area[0].xact) * (win->area[0].yact) << 2;
1408         dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1409         src = dsp_addr[win_id];
1410         dev_info(info->dev, "copy fb data %d x %d  from  dst_addr:%08x\n",
1411                  win->area[0].xact, win->area[0].yact, src);
1412         for (i = 0; i < size; i += PAGE_SIZE) {
1413                 void *page = phys_to_page(i + src);
1414                 void *from_virt = kmap(page);
1415                 void *to_virt = dst + i;
1416                 memcpy(to_virt, from_virt, PAGE_SIZE);
1417         }
1418         dev_drv->ops->direct_set_addr(dev_drv, win_id,
1419                                       info->fix.smem_start);
1420         return 0;
1421 }
1422 #endif
1423 #ifdef CONFIG_ROCKCHIP_IOMMU
1424 static int g_last_addr[4];
1425 int g_last_timeout;
1426 u32 freed_addr[10];
1427 u32 freed_index;
1428
1429 #define DUMP_CHUNK 256
1430 char buf[PAGE_SIZE];
1431
1432 int rk_fb_sysmmu_fault_handler(struct device *dev,
1433                                enum rk_iommu_inttype itype,
1434                                unsigned long pgtable_base,
1435                                unsigned long fault_addr, unsigned int status)
1436 {
1437         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
1438         int i = 0;
1439         static int page_fault_cnt;
1440         if ((page_fault_cnt++) >= 10)
1441                 return 0;
1442         pr_err
1443             ("PAGE FAULT occurred at 0x%lx (Page table base: 0x%lx),status=%d\n",
1444              fault_addr, pgtable_base, status);
1445         printk("last config addr:\n" "win0:0x%08x\n" "win1:0x%08x\n"
1446                "win2:0x%08x\n" "win3:0x%08x\n", g_last_addr[0], g_last_addr[1],
1447                g_last_addr[2], g_last_addr[3]);
1448         printk("last freed buffer:\n");
1449         for (i = 0; (freed_addr[i] != 0xfefefefe) && freed_addr[i]; i++)
1450                 printk("%d:0x%08x\n", i, freed_addr[i]);
1451         printk("last timeout:%d\n", g_last_timeout);
1452         dev_drv->ops->get_disp_info(dev_drv, buf, 0);
1453         for (i = 0; i < PAGE_SIZE; i += DUMP_CHUNK) {
1454                 if ((PAGE_SIZE - i) > DUMP_CHUNK) {
1455                         char c = buf[i + DUMP_CHUNK];
1456                         buf[i + DUMP_CHUNK] = 0;
1457                         pr_cont("%s", buf + i);
1458                         buf[i + DUMP_CHUNK] = c;
1459                 } else {
1460                         buf[PAGE_SIZE - 1] = 0;
1461                         pr_cont("%s", buf + i);
1462                 }
1463         }
1464
1465         return 0;
1466 }
1467 #endif
1468
1469 void rk_fb_free_dma_buf(struct rk_lcdc_driver *dev_drv,
1470                         struct rk_fb_reg_win_data *reg_win_data)
1471 {
1472         int i, index_buf;
1473         struct rk_fb_reg_area_data *area_data;
1474         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1475
1476         for (i = 0; i < reg_win_data->area_num; i++) {
1477                 area_data = &reg_win_data->reg_area_data[i];
1478                 index_buf = area_data->index_buf;
1479 #if defined(CONFIG_ROCKCHIP_IOMMU)
1480                 if (dev_drv->iommu_enabled) {
1481                         if (rk_fb->disp_policy != DISPLAY_POLICY_BOX)
1482                                 ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client,
1483                                                 area_data->ion_handle);
1484                         freed_addr[freed_index++] = area_data->smem_start;
1485                 }
1486 #endif
1487                 if (area_data->ion_handle != NULL)
1488                         ion_free(rk_fb->ion_client, area_data->ion_handle);
1489
1490                 if (area_data->acq_fence)
1491                         sync_fence_put(area_data->acq_fence);
1492         }
1493         memset(reg_win_data, 0, sizeof(struct rk_fb_reg_win_data));
1494 }
1495
1496 static void rk_fb_update_win(struct rk_lcdc_driver *dev_drv,
1497                                 struct rk_lcdc_win *win,
1498                                 struct rk_fb_reg_win_data *reg_win_data)
1499 {
1500         int i = 0;
1501         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
1502         struct rk_screen *cur_screen;
1503         struct rk_screen primary_screen;
1504
1505         if (unlikely(!inf) || unlikely(!dev_drv) ||
1506             unlikely(!win) || unlikely(!reg_win_data))
1507                 return;
1508
1509         cur_screen = dev_drv->cur_screen;
1510         rk_fb_get_prmry_screen(&primary_screen);
1511
1512         win->area_num = reg_win_data->area_num;
1513         win->id = reg_win_data->win_id;
1514         win->z_order = reg_win_data->z_order;
1515
1516         if (reg_win_data->reg_area_data[0].smem_start > 0) {
1517                 win->state = 1;
1518                 win->area_num = reg_win_data->area_num;
1519                 win->id = reg_win_data->win_id;
1520                 win->z_order = reg_win_data->z_order;
1521                 win->area[0].uv_vir_stride =
1522                     reg_win_data->reg_area_data[0].uv_vir_stride;
1523                 win->area[0].cbr_start =
1524                     reg_win_data->reg_area_data[0].cbr_start;
1525                 win->area[0].c_offset = reg_win_data->reg_area_data[0].c_offset;
1526                 win->alpha_en = reg_win_data->alpha_en;
1527                 win->alpha_mode = reg_win_data->alpha_mode;
1528                 win->g_alpha_val = reg_win_data->g_alpha_val;
1529                 win->mirror_en = reg_win_data->mirror_en;
1530                 win->area[0].fbdc_en =
1531                         reg_win_data->reg_area_data[0].fbdc_en;
1532                 win->area[0].fbdc_cor_en =
1533                         reg_win_data->reg_area_data[0].fbdc_cor_en;
1534                 win->area[0].fbdc_data_format =
1535                         reg_win_data->reg_area_data[0].fbdc_data_format;
1536                 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
1537                         if (reg_win_data->reg_area_data[i].smem_start > 0) {
1538                                 win->area[i].format =
1539                                         reg_win_data->reg_area_data[i].data_format;
1540                                 if (inf->disp_policy != DISPLAY_POLICY_BOX)
1541                                         win->area[i].ion_hdl =
1542                                         reg_win_data->reg_area_data[i].ion_handle;
1543                                 win->area[i].smem_start =
1544                                         reg_win_data->reg_area_data[i].smem_start;
1545                                 if (inf->disp_mode == DUAL ||
1546                                     inf->disp_policy == DISPLAY_POLICY_BOX) {
1547                                         win->area[i].xpos =
1548                                                 reg_win_data->reg_area_data[i].xpos;
1549                                         win->area[i].ypos =
1550                                                 reg_win_data->reg_area_data[i].ypos;
1551                                         win->area[i].xsize =
1552                                                 reg_win_data->reg_area_data[i].xsize;
1553                                         win->area[i].ysize =
1554                                                 reg_win_data->reg_area_data[i].ysize;
1555                                 } else {
1556                                         win->area[i].xpos =
1557                                                 reg_win_data->reg_area_data[i].xpos *
1558                                                 cur_screen->mode.xres /
1559                                                 primary_screen.mode.xres;
1560                                         win->area[i].ypos =
1561                                                 reg_win_data->reg_area_data[i].ypos *
1562                                                 cur_screen->mode.yres /
1563                                                 primary_screen.mode.yres;
1564                                         win->area[i].xsize =
1565                                                 reg_win_data->reg_area_data[i].xsize *
1566                                                 cur_screen->mode.xres /
1567                                                 primary_screen.mode.xres;
1568                                         win->area[i].ysize =
1569                                                 reg_win_data->reg_area_data[i].ysize *
1570                                                 cur_screen->mode.yres /
1571                                                 primary_screen.mode.yres;
1572
1573                                         /* recalc display size if set hdmi scaler when at ONE_DUAL mode */
1574                                         if (inf->disp_mode == ONE_DUAL && hdmi_switch_complete) {
1575                                                 if (cur_screen->xsize > 0 &&
1576                                                     cur_screen->xsize <= cur_screen->mode.xres) {
1577                                                         win->area[i].xpos =
1578                                                                 ((cur_screen->mode.xres - cur_screen->xsize) >> 1) +
1579                                                                 cur_screen->xsize * win->area[i].xpos / cur_screen->mode.xres;
1580                                                         win->area[i].xsize =
1581                                                                 win->area[i].xsize * cur_screen->xsize / cur_screen->mode.xres;
1582                                                 }
1583                                                 if (cur_screen->ysize > 0 && cur_screen->ysize <= cur_screen->mode.yres) {
1584                                                         win->area[i].ypos =
1585                                                                 ((cur_screen->mode.yres - cur_screen->ysize) >> 1) +
1586                                                                 cur_screen->ysize * win->area[i].ypos / cur_screen->mode.yres;
1587                                                         win->area[i].ysize =
1588                                                                 win->area[i].ysize * cur_screen->ysize / cur_screen->mode.yres;
1589                                                 }
1590                                         }
1591                                 }
1592                                 win->area[i].xact =
1593                                     reg_win_data->reg_area_data[i].xact;
1594                                 win->area[i].yact =
1595                                     reg_win_data->reg_area_data[i].yact;
1596                                 win->area[i].xvir =
1597                                     reg_win_data->reg_area_data[i].xvir;
1598                                 win->area[i].yvir =
1599                                     reg_win_data->reg_area_data[i].yvir;
1600                                 win->area[i].xoff =
1601                                     reg_win_data->reg_area_data[i].xoff;
1602                                 win->area[i].yoff =
1603                                     reg_win_data->reg_area_data[i].yoff;
1604                                 win->area[i].y_offset =
1605                                     reg_win_data->reg_area_data[i].y_offset;
1606                                 win->area[i].y_vir_stride =
1607                                     reg_win_data->reg_area_data[i].y_vir_stride;
1608                                 win->area[i].state = 1;
1609                         } else {
1610                                 win->area[i].state = 0;
1611                         }
1612                 }
1613         } else {
1614         /*
1615                 win->state = 0;
1616                 win->z_order = -1;
1617         */
1618         }
1619 }
1620
1621 static struct rk_fb_reg_win_data *rk_fb_get_win_data(struct rk_fb_reg_data
1622                                                      *regs, int win_id)
1623 {
1624         int i;
1625         struct rk_fb_reg_win_data *win_data = NULL;
1626         for (i = 0; i < regs->win_num; i++) {
1627                 if (regs->reg_win_data[i].win_id == win_id) {
1628                         win_data = &(regs->reg_win_data[i]);
1629                         break;
1630                 }
1631         }
1632
1633         return win_data;
1634 }
1635
1636 static void rk_fb_update_reg(struct rk_lcdc_driver *dev_drv,
1637                              struct rk_fb_reg_data *regs)
1638 {
1639         int i, j;
1640         struct rk_lcdc_win *win;
1641         ktime_t timestamp = dev_drv->vsync_info.timestamp;
1642         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1643         struct rk_fb_reg_win_data *win_data;
1644         bool wait_for_vsync;
1645         int count = 100;
1646         unsigned int dsp_addr[4];
1647         long timeout;
1648
1649         /* acq_fence wait */
1650         for (i = 0; i < regs->win_num; i++) {
1651                 win_data = &regs->reg_win_data[i];
1652                 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1653                         if (win_data->reg_area_data[j].acq_fence) {
1654                                 /* printk("acq_fence wait!!!!!\n"); */
1655                                 rk_fd_fence_wait(dev_drv, win_data->reg_area_data[j].acq_fence);
1656                         }
1657                 }
1658         }
1659
1660         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1661                 win = dev_drv->win[i];
1662                 win_data = rk_fb_get_win_data(regs, i);
1663                 if (win_data) {
1664                         if (rk_fb->disp_policy == DISPLAY_POLICY_BOX &&
1665                             (win_data->reg_area_data[0].data_format == YUV420 ||
1666                              win_data->reg_area_data[0].data_format == YUV420_A))
1667                                 continue;
1668                         mutex_lock(&dev_drv->win_config);
1669                         rk_fb_update_win(dev_drv, win, win_data);
1670                         win->state = 1;
1671                         dev_drv->ops->set_par(dev_drv, i);
1672                         dev_drv->ops->pan_display(dev_drv, i);
1673                         mutex_unlock(&dev_drv->win_config);
1674 #if defined(CONFIG_ROCKCHIP_IOMMU)
1675                         if (dev_drv->iommu_enabled) {
1676                                 g_last_addr[i] = win_data->reg_area_data[0].smem_start +
1677                                         win_data->reg_area_data[0].y_offset;
1678                         }
1679 #endif
1680                 } else {
1681                         win->z_order = -1;
1682                         win->state = 0;
1683                 }
1684         }
1685         dev_drv->ops->ovl_mgr(dev_drv, 0, 1);
1686         dev_drv->ops->cfg_done(dev_drv);
1687
1688         do {
1689                 timestamp = dev_drv->vsync_info.timestamp;
1690                 timeout = wait_event_interruptible_timeout(dev_drv->vsync_info.wait,
1691                                 ktime_compare(dev_drv->vsync_info.timestamp, timestamp) > 0,
1692                                 msecs_to_jiffies(25));
1693
1694                 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1695                 wait_for_vsync = false;
1696                 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1697                         if (dev_drv->win[i]->state == 1) {
1698                                 if (rk_fb->disp_policy == DISPLAY_POLICY_BOX &&
1699                                     (!strcmp(dev_drv->win[i]->name, "hwc"))) {
1700                                         continue;
1701                                 } else {
1702                                         u32 new_start =
1703                                             dev_drv->win[i]->area[0].smem_start +
1704                                             dev_drv->win[i]->area[0].y_offset;
1705                                         u32 reg_start = dsp_addr[i];
1706
1707                                         if ((rk_fb->disp_policy ==
1708                                              DISPLAY_POLICY_BOX) &&
1709                                             (dev_drv->suspend_flag))
1710                                                 continue;
1711                                         if (unlikely(new_start != reg_start)) {
1712                                                 wait_for_vsync = true;
1713                                                 dev_info(dev_drv->dev,
1714                                                        "win%d:new_addr:0x%08x cur_addr:0x%08x--%d\n",
1715                                                        i, new_start, reg_start, 101 - count);
1716                                                 break;
1717                                         }
1718                                 }
1719                         }
1720                 }
1721         } while (wait_for_vsync && count--);
1722 #ifdef H_USE_FENCE
1723         sw_sync_timeline_inc(dev_drv->timeline, 1);
1724 #endif
1725         if (dev_drv->front_regs) {
1726 #if defined(CONFIG_ROCKCHIP_IOMMU)
1727                 if (dev_drv->iommu_enabled) {
1728                         if (dev_drv->ops->mmu_en)
1729                                 dev_drv->ops->mmu_en(dev_drv);
1730                         freed_index = 0;
1731                         g_last_timeout = timeout;
1732                 }
1733 #endif
1734
1735                 mutex_lock(&dev_drv->front_lock);
1736
1737                 for (i = 0; i < dev_drv->front_regs->win_num; i++) {
1738                         win_data = &dev_drv->front_regs->reg_win_data[i];
1739                         rk_fb_free_dma_buf(dev_drv, win_data);
1740                 }
1741                 kfree(dev_drv->front_regs);
1742
1743                 mutex_unlock(&dev_drv->front_lock);
1744
1745 #if defined(CONFIG_ROCKCHIP_IOMMU)
1746                 if (dev_drv->iommu_enabled)
1747                         freed_addr[freed_index] = 0xfefefefe;
1748 #endif
1749         }
1750
1751         mutex_lock(&dev_drv->front_lock);
1752
1753         dev_drv->front_regs = regs;
1754
1755         mutex_unlock(&dev_drv->front_lock);
1756 }
1757
1758 static void rk_fb_update_regs_handler(struct kthread_work *work)
1759 {
1760         struct rk_lcdc_driver *dev_drv =
1761             container_of(work, struct rk_lcdc_driver, update_regs_work);
1762         struct rk_fb_reg_data *data, *next;
1763
1764         mutex_lock(&dev_drv->update_regs_list_lock);
1765         dev_drv->saved_list = dev_drv->update_regs_list;
1766         list_replace_init(&dev_drv->update_regs_list, &dev_drv->saved_list);
1767         mutex_unlock(&dev_drv->update_regs_list_lock);
1768
1769         list_for_each_entry_safe(data, next, &dev_drv->saved_list, list) {
1770                 rk_fb_update_reg(dev_drv, data);
1771                 list_del(&data->list);
1772         }
1773
1774         if (dev_drv->wait_fs && list_empty(&dev_drv->update_regs_list))
1775                 wake_up(&dev_drv->update_regs_wait);
1776 }
1777
1778 static int rk_fb_check_config_var(struct rk_fb_area_par *area_par,
1779                                   struct rk_screen *screen)
1780 {
1781         if ((area_par->x_offset + area_par->xact > area_par->xvir) ||
1782             (area_par->xact <= 0) || (area_par->yact <= 0) ||
1783             (area_par->xvir <= 0) || (area_par->yvir <= 0)) {
1784                 pr_err("check config var fail 0:\n"
1785                        "x_offset=%d,xact=%d,xvir=%d\n",
1786                        area_par->x_offset, area_par->xact, area_par->xvir);
1787                 return -EINVAL;
1788         }
1789
1790         if ((area_par->xpos + area_par->xsize > screen->mode.xres) ||
1791             (area_par->ypos + area_par->ysize > screen->mode.yres) ||
1792             (area_par->xsize <= 0) || (area_par->ysize <= 0)) {
1793                 pr_warn("check config var fail 1:\n"
1794                        "xpos=%d,xsize=%d,xres=%d\n"
1795                        "ypos=%d,ysize=%d,yres=%d\n",
1796                        area_par->xpos, area_par->xsize, screen->mode.xres,
1797                        area_par->ypos, area_par->ysize, screen->mode.yres);
1798                 return -EINVAL;
1799         }
1800         return 0;
1801 }
1802
1803 static int rk_fb_set_win_buffer(struct fb_info *info,
1804                                 struct rk_fb_win_par *win_par,
1805                                 struct rk_fb_reg_win_data *reg_win_data)
1806 {
1807         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
1808         struct fb_fix_screeninfo *fix = &info->fix;
1809         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1810         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1811         struct rk_screen *screen = dev_drv->cur_screen;
1812         struct fb_info *fbi;
1813         int i, ion_fd, acq_fence_fd;
1814         u32 xvir, yvir;
1815         u32 xoffset, yoffset;
1816
1817         struct ion_handle *hdl;
1818         size_t len;
1819         int index_buf;
1820         u8 fb_data_fmt;
1821         u8 pixel_width;
1822         u32 vir_width_bit;
1823         u32 stride, uv_stride;
1824         u32 stride_32bit_1;
1825         u32 stride_32bit_2;
1826         u16 uv_x_off, uv_y_off, uv_y_act;
1827         u8 is_pic_yuv = 0;
1828         u8 ppixel_a = 0, global_a = 0;
1829         ion_phys_addr_t phy_addr;
1830         int ret = 0;
1831
1832         reg_win_data->reg_area_data[0].smem_start = -1;
1833         reg_win_data->area_num = 0;
1834         fbi = rk_fb->fb[reg_win_data->win_id];
1835         if (win_par->area_par[0].phy_addr == 0) {
1836                 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
1837                         ion_fd = win_par->area_par[i].ion_fd;
1838                         if (ion_fd > 0) {
1839                                 hdl =
1840                                     ion_import_dma_buf(rk_fb->ion_client,
1841                                                        ion_fd);
1842                                 if (IS_ERR(hdl)) {
1843                                         pr_info("%s: Could not import handle:"
1844                                                 " %ld\n", __func__, (long)hdl);
1845                                         /*return -EINVAL; */
1846                                         break;
1847                                 }
1848                                 reg_win_data->area_num++;
1849                                 reg_win_data->reg_area_data[i].ion_handle = hdl;
1850 #ifndef CONFIG_ROCKCHIP_IOMMU
1851                                 ret = ion_phys(rk_fb->ion_client, hdl, &phy_addr,
1852                                                 &len);
1853 #else
1854                                 if (dev_drv->iommu_enabled)
1855                                         ret = ion_map_iommu(dev_drv->dev,
1856                                                                 rk_fb->ion_client,
1857                                                                 hdl,
1858                                                                 (unsigned long *)&phy_addr,
1859                                                                 (unsigned long *)&len);
1860                                 else
1861                                         ret = ion_phys(rk_fb->ion_client, hdl,
1862                                                         &phy_addr, &len);
1863 #endif
1864                                 if (ret < 0) {
1865                                         dev_err(fbi->dev, "ion map to get phy addr failed\n");
1866                                         ion_free(rk_fb->ion_client, hdl);
1867                                         return -ENOMEM;
1868                                 }
1869                                 reg_win_data->reg_area_data[i].smem_start = phy_addr;
1870                                 reg_win_data->area_buf_num++;
1871                                 reg_win_data->reg_area_data[i].index_buf = 1;
1872                         }
1873                 }
1874         } else {
1875                 reg_win_data->reg_area_data[0].smem_start =
1876                     win_par->area_par[0].phy_addr;
1877                 reg_win_data->area_num = 1;
1878                 fbi->screen_base = phys_to_virt(win_par->area_par[0].phy_addr);
1879         }
1880
1881         if (reg_win_data->area_num == 0)
1882                 return 0;
1883
1884         for (i = 0; i < reg_win_data->area_num; i++) {
1885                 acq_fence_fd = win_par->area_par[i].acq_fence_fd;
1886                 index_buf = reg_win_data->reg_area_data[i].index_buf;
1887                 if ((acq_fence_fd > 0) && (index_buf == 1)) {
1888                         reg_win_data->reg_area_data[i].acq_fence =
1889                             sync_fence_fdget(win_par->area_par[i].acq_fence_fd);
1890                 }
1891         }
1892         if (reg_win_data->reg_area_data[0].smem_start > 0) {
1893                 reg_win_data->z_order = win_par->z_order;
1894                 reg_win_data->win_id = win_par->win_id;
1895         } else {
1896                 reg_win_data->z_order = -1;
1897                 reg_win_data->win_id = -1;
1898         }
1899
1900         reg_win_data->mirror_en = win_par->mirror_en;
1901         for (i = 0; i < reg_win_data->area_num; i++) {
1902                 rk_fb_check_config_var(&win_par->area_par[i], screen);
1903
1904                 fb_data_fmt = rk_fb_data_fmt(win_par->area_par[i].data_format, 0);
1905                 reg_win_data->reg_area_data[i].data_format = fb_data_fmt;
1906                 if (fb_data_fmt >= FBDC_RGB_565) {
1907                         reg_win_data->reg_area_data[i].fbdc_en = 1;
1908                         reg_win_data->reg_area_data[i].fbdc_cor_en = 1;
1909                 } else {
1910                         reg_win_data->reg_area_data[i].fbdc_en = 0;
1911                         reg_win_data->reg_area_data[i].fbdc_cor_en = 0;
1912                 }
1913                 pixel_width = rk_fb_pixel_width(fb_data_fmt);
1914
1915                 ppixel_a |= ((fb_data_fmt == ARGB888) ||
1916                              (fb_data_fmt == FBDC_ARGB_888) ||
1917                              (fb_data_fmt == ABGR888)) ? 1 : 0;
1918                 /* visiable pos in panel */
1919                 reg_win_data->reg_area_data[i].xpos = win_par->area_par[i].xpos;
1920                 reg_win_data->reg_area_data[i].ypos = win_par->area_par[i].ypos;
1921
1922                 /* realy size in panel */
1923                 reg_win_data->reg_area_data[i].xsize = win_par->area_par[i].xsize;
1924                 reg_win_data->reg_area_data[i].ysize = win_par->area_par[i].ysize;
1925
1926                 /* realy size in panel */
1927                 reg_win_data->reg_area_data[i].xact = win_par->area_par[i].xact;
1928                 reg_win_data->reg_area_data[i].yact = win_par->area_par[i].yact;
1929
1930                 xoffset = win_par->area_par[i].x_offset;        /* buf offset */
1931                 yoffset = win_par->area_par[i].y_offset;
1932                 reg_win_data->reg_area_data[i].xoff = xoffset;
1933                 reg_win_data->reg_area_data[i].yoff = yoffset;
1934
1935                 xvir = win_par->area_par[i].xvir;
1936                 reg_win_data->reg_area_data[i].xvir = xvir;
1937                 yvir = win_par->area_par[i].yvir;
1938                 reg_win_data->reg_area_data[i].yvir = yvir;
1939
1940                 vir_width_bit = pixel_width * xvir;
1941                 /* pixel_width = byte_num*8 */
1942                 stride_32bit_1 = ((vir_width_bit + 31) & (~31)) / 8;
1943                 stride_32bit_2 = ((vir_width_bit * 2 + 31) & (~31)) / 8;
1944
1945                 stride = stride_32bit_1;        /* default rgb */
1946                 fix->line_length = stride;
1947                 reg_win_data->reg_area_data[i].y_vir_stride = stride >> 2;
1948
1949                 /* x y mirror ,jump line
1950                  * reg_win_data->reg_area_data[i].y_offset =
1951                  *              yoffset*stride+xoffset*pixel_width/8;
1952                  */
1953                 if ((screen->y_mirror == 1) || (reg_win_data->mirror_en)) {
1954                         if (screen->interlace == 1) {
1955                                 reg_win_data->reg_area_data[i].y_offset =
1956                                     yoffset * stride * 2 +
1957                                     ((reg_win_data->reg_area_data[i].yact - 1) * 2 + 1) * stride +
1958                                     xoffset * pixel_width / 8;
1959                         } else {
1960                                 reg_win_data->reg_area_data[i].y_offset =
1961                                     yoffset * stride +
1962                                     (reg_win_data->reg_area_data[i].yact - 1) * stride +
1963                                     xoffset * pixel_width / 8;
1964                         }
1965                 } else {
1966                         if (screen->interlace == 1) {
1967                                 reg_win_data->reg_area_data[i].y_offset =
1968                                     yoffset * stride * 2 +
1969                                     xoffset * pixel_width / 8;
1970                         } else {
1971                                 reg_win_data->reg_area_data[i].y_offset =
1972                                     yoffset * stride +
1973                                     xoffset * pixel_width / 8;
1974                         }
1975                 }
1976         }
1977
1978         global_a = (win_par->g_alpha_val == 0) ? 0 : 1;
1979         reg_win_data->alpha_en = ppixel_a | global_a;
1980         reg_win_data->g_alpha_val = win_par->g_alpha_val;
1981         reg_win_data->alpha_mode = win_par->alpha_mode;
1982
1983         switch (fb_data_fmt) {
1984         case YUV422:
1985         case YUV422_A:
1986                 is_pic_yuv = 1;
1987                 stride = stride_32bit_1;
1988                 uv_stride = stride_32bit_1 >> 1;
1989                 uv_x_off = xoffset >> 1;
1990                 uv_y_off = yoffset;
1991                 fix->line_length = stride;
1992                 uv_y_act = win_par->area_par[0].yact >> 1;
1993                 break;
1994         case YUV420:            /* 420sp */
1995         case YUV420_A:
1996                 is_pic_yuv = 1;
1997                 stride = stride_32bit_1;
1998                 uv_stride = stride_32bit_1;
1999                 uv_x_off = xoffset;
2000                 uv_y_off = yoffset >> 1;
2001                 fix->line_length = stride;
2002                 uv_y_act = win_par->area_par[0].yact >> 1;
2003                 break;
2004         case YUV444:
2005         case YUV444_A:
2006                 is_pic_yuv = 1;
2007                 stride = stride_32bit_1;
2008                 uv_stride = stride_32bit_2;
2009                 uv_x_off = xoffset * 2;
2010                 uv_y_off = yoffset;
2011                 fix->line_length = stride << 2;
2012                 uv_y_act = win_par->area_par[0].yact;
2013                 break;
2014         default:
2015                 break;
2016         }
2017         if (is_pic_yuv == 1) {
2018                 reg_win_data->reg_area_data[0].cbr_start =
2019                     reg_win_data->reg_area_data[0].smem_start + xvir * yvir;
2020                 reg_win_data->reg_area_data[0].uv_vir_stride = uv_stride >> 2;
2021                 if ((screen->y_mirror == 1) || (reg_win_data->mirror_en)) {
2022                         if (screen->interlace == 1) {
2023                                 reg_win_data->reg_area_data[0].c_offset =
2024                                     uv_y_off * uv_stride * 2 +
2025                                     ((uv_y_act - 1) * 2 + 1) * uv_stride +
2026                                     uv_x_off * pixel_width / 8;
2027                         } else {
2028                                 reg_win_data->reg_area_data[0].c_offset =
2029                                     uv_y_off * uv_stride +
2030                                     (uv_y_act - 1) * uv_stride +
2031                                     uv_x_off * pixel_width / 8;
2032                         }
2033                 } else {
2034                         if (screen->interlace == 1) {
2035                                 reg_win_data->reg_area_data[0].c_offset =
2036                                     uv_y_off * uv_stride * 2 +
2037                                     uv_x_off * pixel_width / 8;
2038                         } else {
2039                                 reg_win_data->reg_area_data[0].c_offset =
2040                                     uv_y_off * uv_stride +
2041                                     uv_x_off * pixel_width / 8;
2042                         }
2043                 }
2044         }
2045
2046         /* record buffer information for rk_fb_disp_scale to prevent fence timeout
2047          * because rk_fb_disp_scale will call function info->fbops->fb_set_par(info);
2048          */
2049         info->var.yoffset = yoffset;
2050         info->var.xoffset = xoffset;
2051         return 0;
2052 }
2053
2054 static int rk_fb_set_win_config(struct fb_info *info,
2055                                 struct rk_fb_win_cfg_data *win_data)
2056 {
2057         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2058         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2059         struct rk_fb_reg_data *regs;
2060 #ifdef H_USE_FENCE
2061         struct sync_fence *release_fence[RK_MAX_BUF_NUM];
2062         struct sync_fence *retire_fence;
2063         struct sync_pt *release_sync_pt[RK_MAX_BUF_NUM];
2064         struct sync_pt *retire_sync_pt;
2065         char fence_name[20];
2066 #endif
2067         int ret = 0, i, j = 0;
2068         int list_is_empty = 0;
2069
2070         regs = kzalloc(sizeof(struct rk_fb_reg_data), GFP_KERNEL);
2071         if (!regs) {
2072                 printk(KERN_INFO "could not allocate rk_fb_reg_data\n");
2073                 ret = -ENOMEM;
2074                 return ret;
2075         }
2076
2077 /*
2078         regs->post_cfg.xpos = win_data->post_cfg.xpos;
2079         regs->post_cfg.ypos = win_data->post_cfg.ypos;
2080         regs->post_cfg.xsize = win_data->post_cfg.xsize;
2081         regs->post_cfg.ysize = win_data->post_cfg.xsize;
2082 */
2083
2084         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
2085                 if (win_data->win_par[i].win_id < dev_drv->lcdc_win_num) {
2086                         if (rk_fb_set_win_buffer(info, &win_data->win_par[i],
2087                                                         &regs->reg_win_data[j]))
2088                                 return -ENOMEM;
2089                         if (regs->reg_win_data[j].area_num > 0) {
2090                                 regs->win_num++;
2091                                 regs->buf_num +=
2092                                     regs->reg_win_data[j].area_buf_num;
2093                         }
2094                         j++;
2095                 } else {
2096                         printk(KERN_INFO "error:win_id bigger than lcdc_win_num\n");
2097                         printk(KERN_INFO "i=%d,win_id=%d\n", i,
2098                                win_data->win_par[i].win_id);
2099                 }
2100         }
2101
2102         mutex_lock(&dev_drv->output_lock);
2103         if (!(dev_drv->suspend_flag == 0)) {
2104                 rk_fb_update_reg(dev_drv, regs);
2105                 printk(KERN_INFO "suspend_flag = 1\n");
2106                 goto err;
2107         }
2108
2109         dev_drv->timeline_max++;
2110 #ifdef H_USE_FENCE
2111         for (i = 0; i < RK_MAX_BUF_NUM; i++) {
2112                 if (i < regs->buf_num) {
2113                         sprintf(fence_name, "fence%d", i);
2114                         win_data->rel_fence_fd[i] = get_unused_fd();
2115                         if (win_data->rel_fence_fd[i] < 0) {
2116                                 printk(KERN_INFO "rel_fence_fd=%d\n",
2117                                        win_data->rel_fence_fd[i]);
2118                                 ret = -EFAULT;
2119                                 goto err;
2120                         }
2121                         release_sync_pt[i] =
2122                             sw_sync_pt_create(dev_drv->timeline,
2123                                               dev_drv->timeline_max);
2124                         release_fence[i] =
2125                             sync_fence_create(fence_name, release_sync_pt[i]);
2126                         sync_fence_install(release_fence[i],
2127                                            win_data->rel_fence_fd[i]);
2128                 } else {
2129                         win_data->rel_fence_fd[i] = -1;
2130                 }
2131         }
2132
2133         win_data->ret_fence_fd = get_unused_fd();
2134         if (win_data->ret_fence_fd < 0) {
2135                 printk("ret_fence_fd=%d\n", win_data->ret_fence_fd);
2136                 ret = -EFAULT;
2137                 goto err;
2138         }
2139         retire_sync_pt =
2140             sw_sync_pt_create(dev_drv->timeline, dev_drv->timeline_max);
2141         retire_fence = sync_fence_create("ret_fence", retire_sync_pt);
2142         sync_fence_install(retire_fence, win_data->ret_fence_fd);
2143 #else
2144         for (i = 0; i < RK_MAX_BUF_NUM; i++)
2145                 win_data->rel_fence_fd[i] = -1;
2146
2147         win_data->ret_fence_fd = -1;
2148 #endif
2149         if (dev_drv->wait_fs == 0) {
2150                 mutex_lock(&dev_drv->update_regs_list_lock);
2151                 list_add_tail(&regs->list, &dev_drv->update_regs_list);
2152                 mutex_unlock(&dev_drv->update_regs_list_lock);
2153                 queue_kthread_work(&dev_drv->update_regs_worker,
2154                                    &dev_drv->update_regs_work);
2155         } else {
2156                 mutex_lock(&dev_drv->update_regs_list_lock);
2157                 list_is_empty = list_empty(&dev_drv->update_regs_list) &&
2158                                         list_empty(&dev_drv->saved_list);
2159                 mutex_unlock(&dev_drv->update_regs_list_lock);
2160                 if (!list_is_empty) {
2161                         ret = wait_event_timeout(dev_drv->update_regs_wait,
2162                                 list_empty(&dev_drv->update_regs_list) && list_empty(&dev_drv->saved_list),
2163                                 msecs_to_jiffies(60));
2164                         if (ret > 0)
2165                                 rk_fb_update_reg(dev_drv, regs);
2166                         else
2167                                 printk("%s: wait update_regs_wait timeout\n", __func__);
2168                 } else if (ret == 0) {
2169                         rk_fb_update_reg(dev_drv, regs);
2170                 }
2171         }
2172
2173 err:
2174         mutex_unlock(&dev_drv->output_lock);
2175         return ret;
2176 }
2177
2178 #if 1
2179 static int cfgdone_distlist[10] = { 0 };
2180
2181 static int cfgdone_index;
2182 static int cfgdone_lasttime;
2183
2184 int rk_get_real_fps(int before)
2185 {
2186         struct timespec now;
2187         int dist_curr;
2188         int dist_total = 0;
2189         int dist_count = 0;
2190         int dist_first = 0;
2191
2192         int index = cfgdone_index;
2193         int i = 0, fps = 0;
2194         int total;
2195
2196         if (before > 100)
2197                 before = 100;
2198         if (before < 0)
2199                 before = 0;
2200
2201         getnstimeofday(&now);
2202         dist_curr = (now.tv_sec * 1000000 + now.tv_nsec / 1000) -
2203                         cfgdone_lasttime;
2204         total = dist_curr;
2205         /*
2206            printk("fps: ");
2207          */
2208         for (i = 0; i < 10; i++) {
2209                 if (--index < 0)
2210                         index = 9;
2211                 total += cfgdone_distlist[index];
2212                 if (i == 0)
2213                         dist_first = cfgdone_distlist[index];
2214                 if (total < (before * 1000)) {
2215                         /*
2216                            printk("[%d:%d] ", dist_count, cfgdone_distlist[index]);
2217                          */
2218                         dist_total += cfgdone_distlist[index];
2219                         dist_count++;
2220                 } else {
2221                         break;
2222                 }
2223         }
2224
2225         /*
2226            printk("total %d, count %d, curr %d, ", dist_total, dist_count, dist_curr);
2227          */
2228         dist_curr = (dist_curr > dist_first) ? dist_curr : dist_first;
2229         dist_total += dist_curr;
2230         dist_count++;
2231
2232         if (dist_total > 0)
2233                 fps = (1000000 * dist_count) / dist_total;
2234         else
2235                 fps = 60;
2236
2237         /*
2238            printk("curr2 %d, fps=%d\n", dist_curr, fps);
2239          */
2240         return fps;
2241 }
2242 EXPORT_SYMBOL(rk_get_real_fps);
2243
2244 #endif
2245 #ifdef CONFIG_ROCKCHIP_IOMMU
2246 #define ION_MAX 10
2247 static struct ion_handle *ion_hanle[ION_MAX];
2248 static struct ion_handle *ion_hwc[1];
2249 #endif
2250 static int rk_fb_ioctl(struct fb_info *info, unsigned int cmd,
2251                        unsigned long arg)
2252 {
2253         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2254         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2255         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2256         struct fb_fix_screeninfo *fix = &info->fix;
2257         struct rk_lcdc_win *win;
2258         int enable;     /* enable fb:1 enable;0 disable */
2259         int ovl;        /* overlay:0 win1 on the top of win0;1,win0 on the top of win1 */
2260         int num_buf;    /* buffer_number */
2261         int ret;
2262         struct rk_fb_win_cfg_data win_data;
2263         unsigned int dsp_addr[4];
2264         int list_stat;
2265
2266         int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2267
2268         void __user *argp = (void __user *)arg;
2269         win = dev_drv->win[win_id];
2270
2271         switch (cmd) {
2272         case RK_FBIOSET_HWC_ADDR:
2273         {
2274                 u32 hwc_phy[1];
2275                 if (copy_from_user(hwc_phy, argp, 4))
2276                         return -EFAULT;
2277 #ifdef CONFIG_ROCKCHIP_IOMMU
2278                 if (!dev_drv->iommu_enabled) {
2279 #endif
2280                         fix->smem_start = hwc_phy[0];
2281 #ifdef CONFIG_ROCKCHIP_IOMMU
2282                 } else {
2283                         int usr_fd;
2284                         struct ion_handle *hdl;
2285                         ion_phys_addr_t phy_addr;
2286                         size_t len;
2287
2288                         usr_fd = hwc_phy[0];
2289                         if (!usr_fd) {
2290                                 fix->smem_start = 0;
2291                                 fix->mmio_start = 0;
2292                                 dev_drv->ops->open(dev_drv, win_id, 0);
2293                                 break;
2294                         }
2295
2296                         if (ion_hwc[0] != 0) {
2297                                 ion_free(rk_fb->ion_client, ion_hwc[0]);
2298                                 ion_hwc[0] = 0;
2299                         }
2300
2301                         hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2302                         if (IS_ERR(hdl)) {
2303                                 dev_err(info->dev, "failed to get hwc ion handle:%ld\n",
2304                                         PTR_ERR(hdl));
2305                                 return -EFAULT;
2306                         }
2307
2308                         ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2309                                                 (unsigned long *)&phy_addr,
2310                                                 (unsigned long *)&len);
2311                         if (ret < 0) {
2312                                 dev_err(info->dev, "ion map to get hwc phy addr failed");
2313                                 ion_free(rk_fb->ion_client, hdl);
2314                                 return -ENOMEM;
2315                         }
2316                         fix->smem_start = phy_addr;
2317                         ion_hwc[0] = hdl;
2318                 }
2319 #endif
2320                 break;
2321         }
2322         case RK_FBIOSET_YUV_ADDR:
2323                 {
2324                         u32 yuv_phy[2];
2325
2326                         if (copy_from_user(yuv_phy, argp, 8))
2327                                 return -EFAULT;
2328                         #ifdef CONFIG_ROCKCHIP_IOMMU
2329                         if (!dev_drv->iommu_enabled || !strcmp(info->fix.id, "fb0")) {
2330                         #endif
2331                                 fix->smem_start = yuv_phy[0];
2332                                 fix->mmio_start = yuv_phy[1];
2333                         #ifdef CONFIG_ROCKCHIP_IOMMU
2334                         } else {
2335                                 int usr_fd, offset, tmp;
2336                                 struct ion_handle *hdl;
2337                                 ion_phys_addr_t phy_addr;
2338                                 size_t len;
2339
2340                                 usr_fd = yuv_phy[0];
2341                                 offset = yuv_phy[1] - yuv_phy[0];
2342                                 if (!usr_fd) {
2343                                         fix->smem_start = 0;
2344                                         fix->mmio_start = 0;
2345                                         break;
2346                                 }
2347
2348                                 if (ion_hanle[ION_MAX - 1] != 0) {
2349                                         /*ion_unmap_kernel(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);*/
2350                                         /*ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client, ion_hanle[ION_MAX - 1]);*/
2351                                         ion_free(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);
2352                                         ion_hanle[ION_MAX - 1] = 0;
2353                                 }
2354
2355                                 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2356                                 if (IS_ERR(hdl)) {
2357                                         dev_err(info->dev, "failed to get ion handle:%ld\n",
2358                                                 PTR_ERR(hdl));
2359                                         return -EFAULT;
2360                                 }
2361
2362                                 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2363                                                         (unsigned long *)&phy_addr,
2364                                                         (unsigned long *)&len);
2365                                 if (ret < 0) {
2366                                         dev_err(info->dev, "ion map to get phy addr failed");
2367                                         ion_free(rk_fb->ion_client, hdl);
2368                                         return -ENOMEM;
2369                                 }
2370                                 fix->smem_start = phy_addr;
2371                                 fix->mmio_start = phy_addr + offset;
2372                                 fix->smem_len = len;
2373                                 /*info->screen_base = ion_map_kernel(rk_fb->ion_client, hdl);*/
2374
2375                                 ion_hanle[0] = hdl;
2376                                 for (tmp = ION_MAX - 1; tmp > 0; tmp--)
2377                                         ion_hanle[tmp] = ion_hanle[tmp - 1];
2378                                 ion_hanle[0] = 0;
2379                         }
2380                         #endif
2381                         break;
2382                 }
2383         case RK_FBIOSET_ENABLE:
2384                 if (copy_from_user(&enable, argp, sizeof(enable)))
2385                         return -EFAULT;
2386                                 if (enable)
2387                                         fb_par->state++;
2388                                 else
2389                                         fb_par->state--;
2390                 dev_drv->ops->open(dev_drv, win_id, enable);
2391                 break;
2392         case RK_FBIOGET_ENABLE:
2393                 enable = dev_drv->ops->get_win_state(dev_drv, win_id);
2394                 if (copy_to_user(argp, &enable, sizeof(enable)))
2395                         return -EFAULT;
2396                 break;
2397         case RK_FBIOSET_OVERLAY_STA:
2398                 if (copy_from_user(&ovl, argp, sizeof(ovl)))
2399                         return -EFAULT;
2400                 dev_drv->ops->ovl_mgr(dev_drv, ovl, 1);
2401                 break;
2402         case RK_FBIOGET_OVERLAY_STA:
2403                 ovl = dev_drv->ops->ovl_mgr(dev_drv, 0, 0);
2404                 if (copy_to_user(argp, &ovl, sizeof(ovl)))
2405                         return -EFAULT;
2406                 break;
2407         case RK_FBIOPUT_NUM_BUFFERS:
2408                 if (copy_from_user(&num_buf, argp, sizeof(num_buf)))
2409                         return -EFAULT;
2410                 dev_drv->num_buf = num_buf;
2411                 break;
2412         case RK_FBIOSET_VSYNC_ENABLE:
2413                 if (copy_from_user(&enable, argp, sizeof(enable)))
2414                         return -EFAULT;
2415                 dev_drv->vsync_info.active = enable;
2416                 break;
2417
2418         case RK_FBIOGET_DSP_ADDR:
2419                 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
2420                 if (copy_to_user(argp, &dsp_addr, sizeof(dsp_addr)))
2421                         return -EFAULT;
2422                 break;
2423         case RK_FBIOGET_LIST_STA:
2424                 list_stat = rk_fb_get_list_stat(dev_drv);
2425                 if (copy_to_user(argp, &list_stat, sizeof(list_stat)))
2426                         return -EFAULT;
2427
2428                 break;
2429         case RK_FBIOGET_IOMMU_STA:
2430                 if (copy_to_user(argp, &dev_drv->iommu_enabled,
2431                                  sizeof(dev_drv->iommu_enabled)))
2432                         return -EFAULT;
2433                 break;
2434 #if defined(CONFIG_ION_ROCKCHIP)
2435         case RK_FBIOSET_DMABUF_FD:
2436                 {
2437                         int usr_fd;
2438                         struct ion_handle *hdl;
2439                         ion_phys_addr_t phy_addr;
2440                         size_t len;
2441                         if (copy_from_user(&usr_fd, argp, sizeof(usr_fd)))
2442                                 return -EFAULT;
2443                         hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2444                         ion_phys(rk_fb->ion_client, hdl, &phy_addr, &len);
2445                         fix->smem_start = phy_addr;
2446                         break;
2447                 }
2448         case RK_FBIOGET_DMABUF_FD:
2449                 {
2450                         int fd = -1;
2451
2452                         if (IS_ERR_OR_NULL(fb_par->ion_hdl)) {
2453                                 dev_err(info->dev,
2454                                         "get dma_buf fd failed,ion handle is err\n");
2455                                 return PTR_ERR(fb_par->ion_hdl);
2456                         }
2457                         fd = ion_share_dma_buf_fd(rk_fb->ion_client,
2458                                                   fb_par->ion_hdl);
2459                         if (fd < 0) {
2460                                 dev_err(info->dev,
2461                                         "ion_share_dma_buf_fd failed\n");
2462                                 return fd;
2463                         }
2464                         if (copy_to_user(argp, &fd, sizeof(fd)))
2465                                 return -EFAULT;
2466                         break;
2467                 }
2468 #endif
2469         case RK_FBIOSET_CLEAR_FB:
2470                 memset(fb_par->fb_virt_base, 0, fb_par->fb_size);
2471                 break;
2472         case RK_FBIOSET_CONFIG_DONE:
2473                 {
2474                         int curr = 0;
2475                         struct timespec now;
2476
2477                         getnstimeofday(&now);
2478                         curr = now.tv_sec * 1000000 + now.tv_nsec / 1000;
2479                         cfgdone_distlist[cfgdone_index++] =
2480                             curr - cfgdone_lasttime;
2481                         /*
2482                            printk("%d ", curr - cfgdone_lasttime);
2483                          */
2484                         cfgdone_lasttime = curr;
2485                         if (cfgdone_index >= 10)
2486                                 cfgdone_index = 0;
2487                 }
2488                 if (copy_from_user(&win_data,
2489                                    (struct rk_fb_win_cfg_data __user *)argp,
2490                                    sizeof(win_data))) {
2491                         ret = -EFAULT;
2492                         break;
2493                 };
2494
2495                 dev_drv->wait_fs = win_data.wait_fs;
2496                 rk_fb_set_win_config(info, &win_data);
2497
2498                 if (copy_to_user((struct rk_fb_win_cfg_data __user *)arg,
2499                                  &win_data, sizeof(win_data))) {
2500                         ret = -EFAULT;
2501                         break;
2502                 }
2503                 memset(&win_data, 0, sizeof(struct rk_fb_win_cfg_data));
2504                 break;
2505         default:
2506                 dev_drv->ops->ioctl(dev_drv, cmd, arg, win_id);
2507                 break;
2508         }
2509
2510         return 0;
2511 }
2512
2513 static int rk_fb_blank(int blank_mode, struct fb_info *info)
2514 {
2515         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2516         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2517         struct fb_fix_screeninfo *fix = &info->fix;
2518         int win_id;
2519 #if defined(CONFIG_RK_HDMI)
2520         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2521 #endif
2522
2523         win_id = dev_drv->ops->fb_get_win_id(dev_drv, fix->id);
2524         if (win_id < 0)
2525                 return -ENODEV;
2526 #if defined(CONFIG_RK_HDMI)
2527         if ((rk_fb->disp_mode == ONE_DUAL) &&
2528             (hdmi_get_hotplug() == HDMI_HPD_ACTIVED)) {
2529                 printk(KERN_INFO "hdmi is connect , not blank lcdc\n");
2530         } else
2531 #endif
2532         {
2533                 dev_drv->ops->blank(dev_drv, win_id, blank_mode);
2534         }
2535         return 0;
2536 }
2537
2538 static int rk_fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
2539 {
2540         if ((0 == var->xres_virtual) || (0 == var->yres_virtual) ||
2541             (0 == var->xres) || (0 == var->yres) || (var->xres < 16) ||
2542             ((16 != var->bits_per_pixel) &&
2543             (32 != var->bits_per_pixel) &&
2544             (24 != var->bits_per_pixel))) {
2545                 dev_err(info->dev, "%s check var fail 1:\n"
2546                         "xres_vir:%d>>yres_vir:%d\n"
2547                         "xres:%d>>yres:%d\n"
2548                         "bits_per_pixel:%d\n",
2549                         info->fix.id,
2550                         var->xres_virtual,
2551                         var->yres_virtual,
2552                         var->xres, var->yres, var->bits_per_pixel);
2553                 return -EINVAL;
2554         }
2555
2556         if (((var->xoffset + var->xres) > var->xres_virtual) ||
2557             ((var->yoffset + var->yres) > (var->yres_virtual))) {
2558                 dev_err(info->dev, "%s check_var fail 2:\n"
2559                         "xoffset:%d>>xres:%d>>xres_vir:%d\n"
2560                         "yoffset:%d>>yres:%d>>yres_vir:%d\n",
2561                         info->fix.id,
2562                         var->xoffset,
2563                         var->xres,
2564                         var->xres_virtual,
2565                         var->yoffset, var->yres, var->yres_virtual);
2566                 return -EINVAL;
2567         }
2568
2569         return 0;
2570 }
2571
2572 static ssize_t rk_fb_read(struct fb_info *info, char __user *buf,
2573                           size_t count, loff_t *ppos)
2574 {
2575         unsigned long p = *ppos;
2576         u8 *buffer, *dst;
2577         u8 __iomem *src;
2578         int c, cnt = 0, err = 0;
2579         unsigned long total_size;
2580         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2581         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2582         struct rk_lcdc_win *win = NULL;
2583         int win_id = 0;
2584
2585         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2586         if (win_id < 0)
2587                 return -ENODEV;
2588         else
2589                 win = dev_drv->win[win_id];
2590
2591         /* only read the current frame buffer */
2592         if (win->area[0].format == RGB565) {
2593                 total_size = win->area[0].y_vir_stride * win->area[0].yact << 1;
2594         } else if (win->area[0].format == YUV420) {
2595                 total_size =
2596                     (win->area[0].y_vir_stride * win->area[0].yact * 6);
2597         } else {
2598                 total_size = win->area[0].y_vir_stride * win->area[0].yact << 2;
2599         }
2600         if (p >= total_size)
2601                 return 0;
2602
2603         if (count >= total_size)
2604                 count = total_size;
2605
2606         if (count + p > total_size)
2607                 count = total_size - p;
2608
2609         buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
2610         if (!buffer)
2611                 return -ENOMEM;
2612
2613         src = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
2614
2615         while (count) {
2616                 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
2617                 dst = buffer;
2618                 fb_memcpy_fromfb(dst, src, c);
2619                 dst += c;
2620                 src += c;
2621
2622                 if (copy_to_user(buf, buffer, c)) {
2623                         err = -EFAULT;
2624                         break;
2625                 }
2626                 *ppos += c;
2627                 buf += c;
2628                 cnt += c;
2629                 count -= c;
2630         }
2631
2632         kfree(buffer);
2633
2634         return (err) ? err : cnt;
2635 }
2636
2637 static ssize_t rk_fb_write(struct fb_info *info, const char __user *buf,
2638                            size_t count, loff_t *ppos)
2639 {
2640         unsigned long p = *ppos;
2641         u8 *buffer, *src;
2642         u8 __iomem *dst;
2643         int c, cnt = 0, err = 0;
2644         unsigned long total_size;
2645         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2646         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2647         struct rk_lcdc_win *win = NULL;
2648         int win_id = 0;
2649
2650         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2651         if (win_id < 0)
2652                 return -ENODEV;
2653         else
2654                 win = dev_drv->win[win_id];
2655
2656         /* write the current frame buffer */
2657         if (win->area[0].format == RGB565)
2658                 total_size = win->area[0].xact * win->area[0].yact << 1;
2659         else
2660                 total_size = win->area[0].xact * win->area[0].yact << 2;
2661
2662         if (p > total_size)
2663                 return -EFBIG;
2664
2665         if (count > total_size) {
2666                 err = -EFBIG;
2667                 count = total_size;
2668         }
2669
2670         if (count + p > total_size) {
2671                 if (!err)
2672                         err = -ENOSPC;
2673
2674                 count = total_size - p;
2675         }
2676
2677         buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
2678         if (!buffer)
2679                 return -ENOMEM;
2680
2681         dst = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
2682
2683         while (count) {
2684                 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
2685                 src = buffer;
2686
2687                 if (copy_from_user(src, buf, c)) {
2688                         err = -EFAULT;
2689                         break;
2690                 }
2691
2692                 fb_memcpy_tofb(dst, src, c);
2693                 dst += c;
2694                 src += c;
2695                 *ppos += c;
2696                 buf += c;
2697                 cnt += c;
2698                 count -= c;
2699         }
2700
2701         kfree(buffer);
2702
2703         return (cnt) ? cnt : err;
2704 }
2705
2706 static int rk_fb_set_par(struct fb_info *info)
2707 {
2708         struct fb_var_screeninfo *var = &info->var;
2709         struct fb_fix_screeninfo *fix = &info->fix;
2710         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2711         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2712         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2713         struct rk_lcdc_win *win = NULL;
2714         struct rk_screen *screen = dev_drv->cur_screen;
2715         int win_id = 0;
2716         u32 cblen = 0, crlen = 0;
2717         u16 xsize = 0, ysize = 0;       /* winx display window height/width --->LCDC_WINx_DSP_INFO */
2718         u32 xoffset = var->xoffset;     /* offset from virtual to visible */
2719         u32 yoffset = var->yoffset;
2720         u16 xpos = (var->nonstd >> 8) & 0xfff;  /*visiable pos in panel */
2721         u16 ypos = (var->nonstd >> 20) & 0xfff;
2722         u32 xvir = var->xres_virtual;
2723         u32 yvir = var->yres_virtual;
2724         u8 data_format = var->nonstd & 0xff;
2725         u8 fb_data_fmt;
2726         u8 pixel_width;
2727         u32 vir_width_bit;
2728         u32 stride, uv_stride;
2729         u32 stride_32bit_1;
2730         u32 stride_32bit_2;
2731         u16 uv_x_off, uv_y_off, uv_y_act;
2732         u8 is_pic_yuv = 0;
2733
2734         var->pixclock = dev_drv->pixclock;
2735         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2736         if (win_id < 0)
2737                 return -ENODEV;
2738         else
2739                 win = dev_drv->win[win_id];
2740
2741         /* if the application has specific the horizontal and vertical display size */
2742         if (var->grayscale >> 8) {
2743                 xsize = (var->grayscale >> 8) & 0xfff;
2744                 ysize = (var->grayscale >> 20) & 0xfff;
2745                 if (xsize > screen->mode.xres)
2746                         xsize = screen->mode.xres;
2747                 if (ysize > screen->mode.yres)
2748                         ysize = screen->mode.yres;
2749         } else {                /*ohterwise  full  screen display */
2750                 xsize = screen->mode.xres;
2751                 ysize = screen->mode.yres;
2752         }
2753
2754         fb_data_fmt = rk_fb_data_fmt(data_format, var->bits_per_pixel);
2755         if (fb_data_fmt >= FBDC_RGB_565) {
2756                 win->area[0].fbdc_en = 1;
2757                 win->area[0].fbdc_cor_en = 1;
2758         } else {
2759                 win->area[0].fbdc_en = 0;
2760                 win->area[0].fbdc_cor_en = 0;
2761         }
2762         pixel_width = rk_fb_pixel_width(fb_data_fmt);
2763         vir_width_bit = pixel_width * xvir;
2764         /* pixel_width = byte_num * 8 */
2765         stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
2766         stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
2767
2768         switch (fb_data_fmt) {
2769         case YUV422:
2770         case YUV422_A:
2771                 is_pic_yuv = 1;
2772                 stride = stride_32bit_1;
2773                 uv_stride = stride_32bit_1 >> 1;
2774                 uv_x_off = xoffset >> 1;
2775                 uv_y_off = yoffset;
2776                 fix->line_length = stride;
2777                 cblen = crlen = (xvir * yvir) >> 1;
2778                 uv_y_act = win->area[0].yact >> 1;
2779                 break;
2780         case YUV420:            /* 420sp */
2781         case YUV420_A:
2782                 is_pic_yuv = 1;
2783                 stride = stride_32bit_1;
2784                 uv_stride = stride_32bit_1;
2785                 uv_x_off = xoffset;
2786                 uv_y_off = yoffset >> 1;
2787                 fix->line_length = stride;
2788                 cblen = crlen = (xvir * yvir) >> 2;
2789                 uv_y_act = win->area[0].yact >> 1;
2790                 break;
2791         case YUV444:
2792         case YUV444_A:
2793                 is_pic_yuv = 1;
2794                 stride = stride_32bit_1;
2795                 uv_stride = stride_32bit_2;
2796                 uv_x_off = xoffset * 2;
2797                 uv_y_off = yoffset;
2798                 fix->line_length = stride << 2;
2799                 cblen = crlen = (xvir * yvir);
2800                 uv_y_act = win->area[0].yact;
2801                 break;
2802         default:
2803                 stride = stride_32bit_1;        /* default rgb */
2804                 fix->line_length = stride;
2805                 break;
2806         }
2807
2808         win->area[0].format = fb_data_fmt;
2809         win->area[0].y_vir_stride = stride >> 2;
2810         win->area[0].uv_vir_stride = uv_stride >> 2;
2811         win->area[0].xpos = xpos;
2812         win->area[0].ypos = ypos;
2813         win->area[0].xsize = xsize;
2814         win->area[0].ysize = ysize;
2815         win->area[0].xact = var->xres;  /* winx active window height,is a wint of vir */
2816         win->area[0].yact = var->yres;
2817         win->area[0].xvir = var->xres_virtual;  /* virtual resolution  stride --->LCDC_WINx_VIR */
2818         win->area[0].yvir = var->yres_virtual;
2819         win->area[0].xoff = xoffset;
2820         win->area[0].yoff = yoffset;
2821
2822         win->area_num = 1;
2823         win->alpha_mode = 4;    /* AB_SRC_OVER; */
2824         win->alpha_en = ((win->area[0].format == ARGB888) ||
2825                          (win->area[0].format == FBDC_ARGB_888) ||
2826                          (win->area[0].format == ABGR888)) ? 1 : 0;
2827         win->g_alpha_val = 0;
2828
2829         if (rk_fb->disp_policy == DISPLAY_POLICY_BOX &&
2830             (win->area[0].format == YUV420 || win->area[0].format == YUV420_A))
2831             win->state = 1;
2832
2833         dev_drv->ops->set_par(dev_drv, win_id);
2834
2835         return 0;
2836 }
2837
2838 static inline unsigned int chan_to_field(unsigned int chan,
2839                                          struct fb_bitfield *bf)
2840 {
2841         chan &= 0xffff;
2842         chan >>= 16 - bf->length;
2843         return chan << bf->offset;
2844 }
2845
2846 static int fb_setcolreg(unsigned regno,
2847                         unsigned red, unsigned green, unsigned blue,
2848                         unsigned transp, struct fb_info *info)
2849 {
2850         unsigned int val;
2851
2852         switch (info->fix.visual) {
2853         case FB_VISUAL_TRUECOLOR:
2854                 /* true-colour, use pseudo-palette */
2855                 if (regno < 16) {
2856                         u32 *pal = info->pseudo_palette;
2857                         val = chan_to_field(red, &info->var.red);
2858                         val |= chan_to_field(green, &info->var.green);
2859                         val |= chan_to_field(blue, &info->var.blue);
2860                         pal[regno] = val;
2861                 }
2862                 break;
2863         default:
2864                 return -1;      /* unknown type */
2865         }
2866
2867         return 0;
2868 }
2869
2870 static int rk_fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
2871 {
2872         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
2873         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2874         struct ion_handle *handle = fb_par->ion_hdl;
2875         struct dma_buf *dma_buf = NULL;
2876
2877         if (IS_ERR_OR_NULL(handle)) {
2878                 dev_err(info->dev, "failed to get ion handle:%ld\n",
2879                         PTR_ERR(handle));
2880                 return -ENOMEM;
2881         }
2882         dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
2883         if (IS_ERR_OR_NULL(dma_buf)) {
2884                 printk("get ion share dma buf failed\n");
2885                 return -ENOMEM;
2886         }
2887
2888         vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
2889
2890         return dma_buf_mmap(dma_buf, vma, 0);
2891 }
2892
2893 static struct fb_ops fb_ops = {
2894         .owner = THIS_MODULE,
2895         .fb_open = rk_fb_open,
2896         .fb_release = rk_fb_close,
2897         .fb_check_var = rk_fb_check_var,
2898         .fb_set_par = rk_fb_set_par,
2899         .fb_blank = rk_fb_blank,
2900         .fb_ioctl = rk_fb_ioctl,
2901         .fb_compat_ioctl = rk_fb_ioctl,
2902         .fb_pan_display = rk_fb_pan_display,
2903         .fb_read = rk_fb_read,
2904         .fb_write = rk_fb_write,
2905         .fb_setcolreg = fb_setcolreg,
2906         .fb_fillrect = cfb_fillrect,
2907         .fb_copyarea = cfb_copyarea,
2908         .fb_imageblit = cfb_imageblit,
2909 };
2910
2911 static struct fb_var_screeninfo def_var = {
2912 #if defined(CONFIG_LOGO_LINUX_BMP)
2913         .red = {16, 8, 0},
2914         .green = {8, 8, 0},
2915         .blue = {0, 8, 0},
2916         .transp = {0, 0, 0},
2917         .nonstd = HAL_PIXEL_FORMAT_BGRA_8888,
2918 #else
2919         .red = {11, 5, 0},
2920         .green = {5, 6, 0},
2921         .blue = {0, 5, 0},
2922         .transp = {0, 0, 0},
2923         .nonstd = HAL_PIXEL_FORMAT_RGB_565,     /* (ypos<<20+xpos<<8+format) format */
2924 #endif
2925         .grayscale = 0,         /* (ysize<<20+xsize<<8) */
2926         .activate = FB_ACTIVATE_NOW,
2927         .accel_flags = 0,
2928         .vmode = FB_VMODE_NONINTERLACED,
2929 };
2930
2931 static struct fb_fix_screeninfo def_fix = {
2932         .type = FB_TYPE_PACKED_PIXELS,
2933         .type_aux = 0,
2934         .xpanstep = 1,
2935         .ypanstep = 1,
2936         .ywrapstep = 0,
2937         .accel = FB_ACCEL_NONE,
2938         .visual = FB_VISUAL_TRUECOLOR,
2939
2940 };
2941
2942 static int rk_fb_wait_for_vsync_thread(void *data)
2943 {
2944         struct rk_lcdc_driver *dev_drv = data;
2945         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
2946         struct fb_info *fbi = rk_fb->fb[0];
2947
2948         while (!kthread_should_stop()) {
2949                 ktime_t timestamp = dev_drv->vsync_info.timestamp;
2950                 int ret = wait_event_interruptible(dev_drv->vsync_info.wait,
2951                                 !ktime_equal(timestamp, dev_drv->vsync_info.timestamp) &&
2952                                 (dev_drv->vsync_info.active || dev_drv->vsync_info.irq_stop));
2953
2954                 if (!ret)
2955                         sysfs_notify(&fbi->dev->kobj, NULL, "vsync");
2956         }
2957
2958         return 0;
2959 }
2960
2961 static ssize_t rk_fb_vsync_show(struct device *dev,
2962                                 struct device_attribute *attr, char *buf)
2963 {
2964         struct fb_info *fbi = dev_get_drvdata(dev);
2965         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
2966         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2967         return scnprintf(buf, PAGE_SIZE, "%llu\n",
2968                          ktime_to_ns(dev_drv->vsync_info.timestamp));
2969 }
2970
2971 static DEVICE_ATTR(vsync, S_IRUGO, rk_fb_vsync_show, NULL);
2972
2973 /*
2974  * this two function is for other module that in the kernel which
2975  * need show image directly through fb
2976  * fb_id:we have 4 fb here,default we use fb0 for ui display
2977  */
2978 struct fb_info *rk_get_fb(int fb_id)
2979 {
2980         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
2981         struct fb_info *fb = inf->fb[fb_id];
2982         return fb;
2983 }
2984 EXPORT_SYMBOL(rk_get_fb);
2985
2986 void rk_direct_fb_show(struct fb_info *fbi)
2987 {
2988         rk_fb_set_par(fbi);
2989         rk_fb_pan_display(&fbi->var, fbi);
2990 }
2991 EXPORT_SYMBOL(rk_direct_fb_show);
2992
2993 int rk_fb_dpi_open(bool open)
2994 {
2995         struct rk_lcdc_driver *dev_drv = NULL;
2996         dev_drv = rk_get_prmry_lcdc_drv();
2997
2998         if (dev_drv->ops->dpi_open)
2999                 dev_drv->ops->dpi_open(dev_drv, open);
3000         return 0;
3001 }
3002
3003 int rk_fb_dpi_win_sel(int win_id)
3004 {
3005         struct rk_lcdc_driver *dev_drv = NULL;
3006         dev_drv = rk_get_prmry_lcdc_drv();
3007
3008         if (dev_drv->ops->dpi_win_sel)
3009                 dev_drv->ops->dpi_win_sel(dev_drv, win_id);
3010         return 0;
3011 }
3012
3013 int rk_fb_dpi_status(void)
3014 {
3015         int ret = 0;
3016         struct rk_lcdc_driver *dev_drv = NULL;
3017
3018         dev_drv = rk_get_prmry_lcdc_drv();
3019         if (dev_drv->ops->dpi_status)
3020                 ret = dev_drv->ops->dpi_status(dev_drv);
3021
3022         return ret;
3023 }
3024
3025 /*
3026  * function: this function will be called by display device, enable/disable lcdc
3027  * @screen: screen timing to be set to lcdc
3028  * @enable: 0 disable lcdc; 1 enable change lcdc timing; 2 just enable dclk
3029  * @lcdc_id: the lcdc id the display device attached ,0 or 1
3030  */
3031 int rk_fb_switch_screen(struct rk_screen *screen, int enable, int lcdc_id)
3032 {
3033         struct rk_fb *rk_fb =  platform_get_drvdata(fb_pdev);
3034         struct fb_info *info = NULL;
3035         struct rk_fb_par *fb_par = NULL;
3036         struct rk_lcdc_driver *dev_drv = NULL;
3037         char name[6] = {0};
3038         int i, win_id, load_screen = 0;
3039
3040         if (unlikely(!rk_fb) || unlikely(!screen))
3041                 return -ENODEV;
3042
3043         hdmi_switch_complete = 0;
3044         /* get lcdc driver */
3045         sprintf(name, "lcdc%d", lcdc_id);
3046         if (rk_fb->disp_mode != DUAL)
3047                 dev_drv = rk_fb->lcdc_dev_drv[0];
3048         else
3049                 dev_drv = rk_get_lcdc_drv(name);
3050
3051         if (dev_drv == NULL) {
3052                 printk(KERN_ERR "%s driver not found!", name);
3053                 return -ENODEV;
3054         }
3055         if (screen->type == SCREEN_HDMI)
3056                 printk("hdmi %s lcdc%d\n", enable ? "connect to" : "remove from",
3057                         dev_drv->id);
3058         else if (screen->type == SCREEN_TVOUT ||
3059                      screen->type == SCREEN_TVOUT_TEST )
3060                 printk("cvbs %s lcdc%d\n", enable ? "connect to" : "remove from",
3061                         dev_drv->id);
3062         if (enable == 2 /*&& dev_drv->enable*/)
3063                 return 0;
3064
3065         if ((rk_fb->disp_mode == ONE_DUAL) ||
3066             (rk_fb->disp_mode == NO_DUAL)) {
3067                 if ((dev_drv->ops->backlight_close) &&
3068                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX))
3069                         dev_drv->ops->backlight_close(dev_drv, 1);
3070                 if (dev_drv->ops->dsp_black)
3071                         dev_drv->ops->dsp_black(dev_drv, 1);
3072                 if ((dev_drv->ops->set_screen_scaler) &&
3073                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX))
3074                         dev_drv->ops->set_screen_scaler(dev_drv,
3075                                                         dev_drv->screen0, 0);
3076         }
3077         if (dev_drv->uboot_logo && (screen->type != dev_drv->cur_screen->type))
3078                dev_drv->uboot_logo = 0;
3079         if (!enable) {
3080                 /* if screen type is different, we do not disable lcdc. */
3081                 if (dev_drv->cur_screen->type != screen->type)
3082                         return 0;
3083
3084                 /* if used one lcdc to dual disp, no need to close win */
3085                 if ((rk_fb->disp_mode == ONE_DUAL) ||
3086                     (rk_fb->disp_mode == NO_DUAL)) {
3087                         dev_drv->cur_screen = dev_drv->screen0;
3088                         dev_drv->ops->load_screen(dev_drv, 1);
3089
3090                         /* force modify dsp size */
3091                         info = rk_fb->fb[dev_drv->fb_index_base];
3092                         info->var.grayscale &= 0xff;
3093                         info->var.grayscale |=
3094                                 (dev_drv->cur_screen->mode.xres << 8) +
3095                                 (dev_drv->cur_screen->mode.yres << 20);
3096                         mutex_lock(&dev_drv->win_config);
3097                         info->fbops->fb_set_par(info);
3098                         info->fbops->fb_pan_display(&info->var, info);
3099                         mutex_unlock(&dev_drv->win_config);
3100
3101                         if (dev_drv->ops->dsp_black)
3102                                 dev_drv->ops->dsp_black(dev_drv, 0);
3103                         if ((dev_drv->ops->backlight_close) &&
3104                             (rk_fb->disp_policy != DISPLAY_POLICY_BOX))
3105                                 dev_drv->ops->backlight_close(dev_drv, 0);
3106                 } else if (rk_fb->num_lcdc > 1 && rk_fb->disp_policy == DISPLAY_POLICY_BOX) {
3107                         /* If there is more than one lcdc device, we disable
3108                            the layer which attached to this device */
3109                         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3110                                 if (dev_drv->win[i] && dev_drv->win[i]->state)
3111                                         dev_drv->ops->open(dev_drv, i, 0);
3112                         }
3113                 }
3114
3115                 hdmi_switch_complete = 0;
3116                 return 0;
3117         } else {
3118                 if (dev_drv->screen1)
3119                         dev_drv->cur_screen = dev_drv->screen1;
3120                 memcpy(dev_drv->cur_screen, screen, sizeof(struct rk_screen));
3121                 dev_drv->cur_screen->xsize = dev_drv->cur_screen->mode.xres;
3122                 dev_drv->cur_screen->ysize = dev_drv->cur_screen->mode.yres;
3123                 dev_drv->cur_screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3124                 dev_drv->cur_screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3125         }
3126         if ((!dev_drv->uboot_logo) ||
3127             (rk_fb->disp_policy != DISPLAY_POLICY_BOX)) {
3128                 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3129                         info = rk_fb->fb[dev_drv->fb_index_base + i];
3130                         fb_par = (struct rk_fb_par *)info->par;
3131                         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3132                         if (dev_drv->win[win_id]) {
3133                                 if (fb_par->state) {
3134                                         if (!dev_drv->win[win_id]->state)
3135                                                 dev_drv->ops->open(dev_drv, win_id, 1);
3136                                         if (!load_screen) {
3137                                                 dev_drv->ops->load_screen(dev_drv, 1);
3138                                                 load_screen = 1;
3139                                         }
3140                                         info->var.activate |= FB_ACTIVATE_FORCE;
3141                                         if (rk_fb->disp_mode == ONE_DUAL) {
3142                                                 info->var.grayscale &= 0xff;
3143                                                 info->var.grayscale |=
3144                                                         (dev_drv->cur_screen->xsize << 8) +
3145                                                         (dev_drv->cur_screen->ysize << 20);
3146                                         }
3147
3148                                         mutex_lock(&dev_drv->win_config);
3149                                         info->fbops->fb_set_par(info);
3150                                         info->fbops->fb_pan_display(&info->var, info);
3151                                         mutex_unlock(&dev_drv->win_config);
3152                                 }
3153                         }
3154                 }
3155         }else {
3156                 dev_drv->uboot_logo = 0;
3157         }
3158         hdmi_switch_complete = 1;
3159         if ((rk_fb->disp_mode == ONE_DUAL) || (rk_fb->disp_mode == NO_DUAL)) {
3160                 if ((dev_drv->ops->set_screen_scaler) &&
3161                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX))
3162                         dev_drv->ops->set_screen_scaler(dev_drv, dev_drv->screen0, 1);
3163                 if (dev_drv->ops->dsp_black)
3164                         dev_drv->ops->dsp_black(dev_drv, 0);
3165                 if ((dev_drv->ops->backlight_close) &&
3166                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
3167                     (rk_fb->disp_mode == ONE_DUAL))
3168                         dev_drv->ops->backlight_close(dev_drv, 0);
3169         }
3170         return 0;
3171 }
3172
3173 /*
3174  * function:this function current only called by hdmi for
3175  *      scale the display
3176  * scale_x: scale rate of x resolution
3177  * scale_y: scale rate of y resolution
3178  * lcdc_id: the lcdc id the hdmi attached ,0 or 1
3179  */
3180 int rk_fb_disp_scale(u8 scale_x, u8 scale_y, u8 lcdc_id)
3181 {
3182         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3183         struct fb_info *info = NULL;
3184         struct fb_info *pmy_info = NULL;
3185         struct fb_var_screeninfo *var = NULL;
3186         struct rk_lcdc_driver *dev_drv = NULL;
3187         u16 screen_x, screen_y;
3188         u16 xpos, ypos;
3189         char name[6];
3190         struct rk_screen primary_screen;
3191         rk_fb_get_prmry_screen(&primary_screen);
3192         if (primary_screen.type == SCREEN_HDMI) {
3193                 return 0;
3194         }
3195
3196         sprintf(name, "lcdc%d", lcdc_id);
3197
3198         if (inf->disp_mode == DUAL) {
3199                 dev_drv = rk_get_lcdc_drv(name);
3200                 if (dev_drv == NULL) {
3201                         printk(KERN_ERR "%s driver not found!", name);
3202                         return -ENODEV;
3203                 }
3204         } else {
3205                 dev_drv = inf->lcdc_dev_drv[0];
3206         }
3207
3208         if (inf->num_lcdc == 1) {
3209                 info = inf->fb[0];
3210         } else if (inf->num_lcdc == 2) {
3211                 info = inf->fb[dev_drv->lcdc_win_num];
3212                 pmy_info = inf->fb[0];
3213         }
3214
3215         var = &info->var;
3216         screen_x = dev_drv->cur_screen->mode.xres;
3217         screen_y = dev_drv->cur_screen->mode.yres;
3218
3219         if (inf->disp_mode != DUAL && dev_drv->screen1) {
3220                 dev_drv->cur_screen->xpos =
3221                     (screen_x - screen_x * scale_x / 100) >> 1;
3222                 dev_drv->cur_screen->ypos =
3223                     (screen_y - screen_y * scale_y / 100) >> 1;
3224                 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3225                 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3226         } else {
3227                 xpos = (screen_x - screen_x * scale_x / 100) >> 1;
3228                 ypos = (screen_y - screen_y * scale_y / 100) >> 1;
3229                 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3230                 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3231                 if (inf->disp_mode == ONE_DUAL) {
3232                         var->nonstd &= 0xff;
3233                         var->nonstd |= (xpos << 8) + (ypos << 20);
3234                         var->grayscale &= 0xff;
3235                         var->grayscale |=
3236                                 (dev_drv->cur_screen->xsize << 8) +
3237                                 (dev_drv->cur_screen->ysize << 20);
3238                 }
3239         }
3240
3241         mutex_lock(&dev_drv->win_config);
3242         info->fbops->fb_set_par(info);
3243         dev_drv->ops->cfg_done(dev_drv);
3244         mutex_unlock(&dev_drv->win_config);
3245
3246         return 0;
3247 }
3248
3249 #if defined(CONFIG_ION_ROCKCHIP)
3250 static int rk_fb_alloc_buffer_by_ion(struct fb_info *fbi,
3251                                      struct rk_lcdc_win *win,
3252                                      unsigned long fb_mem_size)
3253 {
3254         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3255         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3256         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3257         struct ion_handle *handle;
3258         ion_phys_addr_t phy_addr;
3259         size_t len;
3260         int ret = 0;
3261
3262         if (dev_drv->iommu_enabled)
3263                 handle = ion_alloc(rk_fb->ion_client, (size_t) fb_mem_size, 0,
3264                                    ION_HEAP(ION_VMALLOC_HEAP_ID), 0);
3265         else
3266                 handle = ion_alloc(rk_fb->ion_client, (size_t) fb_mem_size, 0,
3267                                    ION_HEAP(ION_CMA_HEAP_ID), 0);
3268         if (IS_ERR(handle)) {
3269                 dev_err(fbi->device, "failed to ion_alloc:%ld\n",
3270                         PTR_ERR(handle));
3271                 return -ENOMEM;
3272         }
3273
3274         fb_par->ion_hdl = handle;
3275         win->area[0].dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3276         if (IS_ERR_OR_NULL(win->area[0].dma_buf)) {
3277                 printk("ion_share_dma_buf() failed\n");
3278                 goto err_share_dma_buf;
3279         }
3280         win->area[0].ion_hdl = handle;
3281         if (dev_drv->prop == PRMRY)
3282                 fbi->screen_base = ion_map_kernel(rk_fb->ion_client, handle);
3283 #ifdef CONFIG_ROCKCHIP_IOMMU
3284         if (dev_drv->iommu_enabled && dev_drv->mmu_dev)
3285                 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, handle,
3286                                         (unsigned long *)&phy_addr,
3287                                         (unsigned long *)&len);
3288         else
3289                 ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3290 #else
3291         ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3292 #endif
3293         if (ret < 0) {
3294                 dev_err(fbi->dev, "ion map to get phy addr failed\n");
3295                 goto err_share_dma_buf;
3296         }
3297         fbi->fix.smem_start = phy_addr;
3298         fbi->fix.smem_len = len;
3299         printk(KERN_INFO "alloc_buffer:ion_phy_addr=0x%lx\n", phy_addr);
3300         return 0;
3301
3302 err_share_dma_buf:
3303         ion_free(rk_fb->ion_client, handle);
3304         return -ENOMEM;
3305 }
3306 #endif
3307
3308 static int rk_fb_alloc_buffer(struct fb_info *fbi)
3309 {
3310         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3311         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3312         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3313         struct rk_lcdc_win *win = NULL;
3314         int win_id;
3315         int ret = 0;
3316         unsigned long fb_mem_size;
3317 #if !defined(CONFIG_ION_ROCKCHIP)
3318         dma_addr_t fb_mem_phys;
3319         void *fb_mem_virt;
3320 #endif
3321
3322         win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
3323         if (win_id < 0)
3324                 return -ENODEV;
3325         else
3326                 win = dev_drv->win[win_id];
3327
3328         if (!strcmp(fbi->fix.id, "fb0")) {
3329                 fb_mem_size = get_fb_size();
3330 #if defined(CONFIG_ION_ROCKCHIP)
3331                 if (rk_fb_alloc_buffer_by_ion(fbi, win, fb_mem_size) < 0)
3332                         return -ENOMEM;
3333 #else
3334                 fb_mem_virt = dma_alloc_writecombine(fbi->dev, fb_mem_size,
3335                                                      &fb_mem_phys, GFP_KERNEL);
3336                 if (!fb_mem_virt) {
3337                         pr_err("%s: Failed to allocate framebuffer\n",
3338                                __func__);
3339                         return -ENOMEM;
3340                 }
3341                 fbi->fix.smem_len = fb_mem_size;
3342                 fbi->fix.smem_start = fb_mem_phys;
3343                 fbi->screen_base = fb_mem_virt;
3344 #endif
3345                 memset(fbi->screen_base, 0, fbi->fix.smem_len);
3346         } else {
3347                 fbi->fix.smem_start = rk_fb->fb[0]->fix.smem_start;
3348                 fbi->fix.smem_len = rk_fb->fb[0]->fix.smem_len;
3349                 fbi->screen_base = rk_fb->fb[0]->screen_base;
3350         }
3351
3352         fbi->screen_size = fbi->fix.smem_len;
3353         fb_par->fb_phy_base = fbi->fix.smem_start;
3354         fb_par->fb_virt_base = fbi->screen_base;
3355         fb_par->fb_size = fbi->fix.smem_len;
3356
3357         pr_info("%s:phy:%lx>>vir:%p>>len:0x%x\n", fbi->fix.id,
3358                        fbi->fix.smem_start, fbi->screen_base,
3359                        fbi->fix.smem_len);
3360         return ret;
3361 }
3362
3363 #if 0
3364 static int rk_release_fb_buffer(struct fb_info *fbi)
3365 {
3366         /* buffer for fb1 and fb3 are alloc by android */
3367         if (!strcmp(fbi->fix.id, "fb1") || !strcmp(fbi->fix.id, "fb3"))
3368                 return 0;
3369         iounmap(fbi->screen_base);
3370         release_mem_region(fbi->fix.smem_start, fbi->fix.smem_len);
3371         return 0;
3372 }
3373 #endif
3374
3375 static int init_lcdc_win(struct rk_lcdc_driver *dev_drv,
3376                          struct rk_lcdc_win *def_win)
3377 {
3378         int i;
3379         int lcdc_win_num = dev_drv->lcdc_win_num;
3380
3381         for (i = 0; i < lcdc_win_num; i++) {
3382                 struct rk_lcdc_win *win = NULL;
3383                 win = kzalloc(sizeof(struct rk_lcdc_win), GFP_KERNEL);
3384                 if (!win) {
3385                         dev_err(dev_drv->dev, "kzmalloc for win fail!");
3386                         return -ENOMEM;
3387                 }
3388
3389                 strcpy(win->name, def_win[i].name);
3390                 win->id = def_win[i].id;
3391                 win->support_3d = def_win[i].support_3d;
3392                 dev_drv->win[i] = win;
3393         }
3394
3395         return 0;
3396 }
3397
3398 static int init_lcdc_device_driver(struct rk_fb *rk_fb,
3399                                    struct rk_lcdc_win *def_win, int index)
3400 {
3401         struct rk_lcdc_driver *dev_drv = rk_fb->lcdc_dev_drv[index];
3402         struct rk_screen *screen = devm_kzalloc(dev_drv->dev,
3403                                                 sizeof(struct rk_screen),
3404                                                 GFP_KERNEL);
3405
3406         if (!screen) {
3407                 dev_err(dev_drv->dev, "malloc screen for lcdc%d fail!",
3408                         dev_drv->id);
3409                 return -ENOMEM;
3410         }
3411
3412         screen->screen_id = 0;
3413         screen->lcdc_id = dev_drv->id;
3414         screen->overscan.left = 100;
3415         screen->overscan.top = 100;
3416         screen->overscan.right = 100;
3417         screen->overscan.bottom = 100;
3418
3419         screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3420         screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3421
3422         dev_drv->screen0 = screen;
3423         dev_drv->cur_screen = screen;
3424         /* devie use one lcdc + rk61x scaler for dual display */
3425         if (rk_fb->disp_mode == ONE_DUAL) {
3426                 struct rk_screen *screen1 =
3427                                 devm_kzalloc(dev_drv->dev,
3428                                              sizeof(struct rk_screen),
3429                                              GFP_KERNEL);
3430                 if (!screen1) {
3431                         dev_err(dev_drv->dev, "malloc screen1 for lcdc%d fail!",
3432                                 dev_drv->id);
3433                         return -ENOMEM;
3434                 }
3435                 screen1->screen_id = 1;
3436                 screen1->lcdc_id = 1;
3437                 dev_drv->screen1 = screen1;
3438         }
3439         sprintf(dev_drv->name, "lcdc%d", dev_drv->id);
3440         init_lcdc_win(dev_drv, def_win);
3441         init_completion(&dev_drv->frame_done);
3442         spin_lock_init(&dev_drv->cpl_lock);
3443         mutex_init(&dev_drv->fb_win_id_mutex);
3444         mutex_init(&dev_drv->win_config);
3445         mutex_init(&dev_drv->front_lock);
3446         dev_drv->ops->fb_win_remap(dev_drv, dev_drv->fb_win_map);
3447         dev_drv->first_frame = 1;
3448         dev_drv->overscan.left = 100;
3449         dev_drv->overscan.top = 100;
3450         dev_drv->overscan.right = 100;
3451         dev_drv->overscan.bottom = 100;
3452         rk_disp_pwr_ctr_parse_dt(dev_drv);
3453         if (dev_drv->prop == PRMRY) {
3454                 if (dev_drv->ops->set_dsp_cabc)
3455                         dev_drv->ops->set_dsp_cabc(dev_drv, dev_drv->cabc_mode);
3456                 rk_fb_set_prmry_screen(screen);
3457                 rk_fb_get_prmry_screen(screen);
3458         }
3459         dev_drv->trsm_ops = rk_fb_trsm_ops_get(screen->type);
3460         if (dev_drv->prop != PRMRY)
3461                 rk_fb_get_prmry_screen(screen);
3462         dev_drv->output_color = screen->color_mode;
3463
3464         return 0;
3465 }
3466
3467 #ifdef CONFIG_LOGO_LINUX_BMP
3468 static struct linux_logo *bmp_logo;
3469 static int fb_prewine_bmp_logo(struct fb_info *info, int rotate)
3470 {
3471         bmp_logo = fb_find_logo(24);
3472         if (bmp_logo == NULL) {
3473                 printk(KERN_INFO "%s error\n", __func__);
3474                 return 0;
3475         }
3476         return 1;
3477 }
3478
3479 static void fb_show_bmp_logo(struct fb_info *info, int rotate)
3480 {
3481         unsigned char *src = bmp_logo->data;
3482         unsigned char *dst = info->screen_base;
3483         int i;
3484         unsigned int Needwidth = (*(src - 24) << 8) | (*(src - 23));
3485         unsigned int Needheight = (*(src - 22) << 8) | (*(src - 21));
3486
3487         for (i = 0; i < Needheight; i++)
3488                 memcpy(dst + info->var.xres * i * 4,
3489                        src + bmp_logo->width * i * 4, Needwidth * 4);
3490 }
3491 #endif
3492
3493 /*
3494  * check if the primary lcdc has registerd,
3495  * the primary lcdc mas register first
3496  */
3497 bool is_prmry_rk_lcdc_registered(void)
3498 {
3499         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3500
3501         if (rk_fb->lcdc_dev_drv[0])
3502                 return true;
3503         else
3504                 return false;
3505 }
3506
3507 int rk_fb_register(struct rk_lcdc_driver *dev_drv,
3508                    struct rk_lcdc_win *win, int id)
3509 {
3510         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3511         struct fb_info *fbi;
3512         struct rk_fb_par *fb_par = NULL;
3513         int i = 0, ret = 0, index = 0;
3514
3515         if (rk_fb->num_lcdc == RK30_MAX_LCDC_SUPPORT)
3516                 return -ENXIO;
3517
3518         for (i = 0; i < RK30_MAX_LCDC_SUPPORT; i++) {
3519                 if (!rk_fb->lcdc_dev_drv[i]) {
3520                         rk_fb->lcdc_dev_drv[i] = dev_drv;
3521                         rk_fb->lcdc_dev_drv[i]->id = id;
3522                         rk_fb->num_lcdc++;
3523                         break;
3524                 }
3525         }
3526
3527         index = i;
3528         init_lcdc_device_driver(rk_fb, win, index);
3529         dev_drv->fb_index_base = rk_fb->num_fb;
3530         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3531                 fbi = framebuffer_alloc(0, &fb_pdev->dev);
3532                 if (!fbi) {
3533                         dev_err(&fb_pdev->dev, "fb framebuffer_alloc fail!");
3534                         ret = -ENOMEM;
3535                 }
3536                 fb_par = devm_kzalloc(&fb_pdev->dev, sizeof(struct rk_fb_par),
3537                                       GFP_KERNEL);
3538                 if (!fb_par) {
3539                         dev_err(&fb_pdev->dev, "malloc fb_par for fb%d fail!",
3540                                 rk_fb->num_fb);
3541                         return -ENOMEM;
3542                 }
3543                 fb_par->id = rk_fb->num_fb;
3544                 fb_par->lcdc_drv = dev_drv;
3545                 fbi->par = (void *)fb_par;
3546                 fbi->var = def_var;
3547                 fbi->fix = def_fix;
3548                 sprintf(fbi->fix.id, "fb%d", rk_fb->num_fb);
3549                 fb_videomode_to_var(&fbi->var, &dev_drv->cur_screen->mode);
3550                 fbi->var.grayscale |=
3551                     (fbi->var.xres << 8) + (fbi->var.yres << 20);
3552 #if defined(CONFIG_LOGO_LINUX_BMP)
3553                 fbi->var.bits_per_pixel = 32;
3554 #else
3555                 fbi->var.bits_per_pixel = 16;
3556 #endif
3557                 fbi->fix.line_length =
3558                     (fbi->var.xres_virtual) * (fbi->var.bits_per_pixel >> 3);
3559                 fbi->var.width = dev_drv->cur_screen->width;
3560                 fbi->var.height = dev_drv->cur_screen->height;
3561                 fbi->var.pixclock = dev_drv->pixclock;
3562                 if (dev_drv->iommu_enabled)
3563                         fb_ops.fb_mmap = rk_fb_mmap;
3564                 fbi->fbops = &fb_ops;
3565                 fbi->flags = FBINFO_FLAG_DEFAULT;
3566                 fbi->pseudo_palette = dev_drv->win[i]->pseudo_pal;
3567                 ret = register_framebuffer(fbi);
3568                 if (ret < 0) {
3569                         dev_err(&fb_pdev->dev,
3570                                 "%s fb%d register_framebuffer fail!\n",
3571                                 __func__, rk_fb->num_fb);
3572                         return ret;
3573                 }
3574                 rkfb_create_sysfs(fbi);
3575                 rk_fb->fb[rk_fb->num_fb] = fbi;
3576                 dev_info(fbi->dev, "rockchip framebuffer registerd:%s\n",
3577                          fbi->fix.id);
3578                 rk_fb->num_fb++;
3579
3580                 if (i == 0) {
3581                         init_waitqueue_head(&dev_drv->vsync_info.wait);
3582                         init_waitqueue_head(&dev_drv->update_regs_wait);
3583                         ret = device_create_file(fbi->dev, &dev_attr_vsync);
3584                         if (ret)
3585                                 dev_err(fbi->dev,
3586                                         "failed to create vsync file\n");
3587                         dev_drv->vsync_info.thread =
3588                             kthread_run(rk_fb_wait_for_vsync_thread, dev_drv,
3589                                         "fb-vsync");
3590                         if (dev_drv->vsync_info.thread == ERR_PTR(-ENOMEM)) {
3591                                 dev_err(fbi->dev,
3592                                         "failed to run vsync thread\n");
3593                                 dev_drv->vsync_info.thread = NULL;
3594                         }
3595                         dev_drv->vsync_info.active = 1;
3596
3597                         mutex_init(&dev_drv->output_lock);
3598
3599                         INIT_LIST_HEAD(&dev_drv->update_regs_list);
3600                         mutex_init(&dev_drv->update_regs_list_lock);
3601                         init_kthread_worker(&dev_drv->update_regs_worker);
3602
3603                         dev_drv->update_regs_thread =
3604                             kthread_run(kthread_worker_fn,
3605                                         &dev_drv->update_regs_worker, "rk-fb");
3606                         if (IS_ERR(dev_drv->update_regs_thread)) {
3607                                 int err = PTR_ERR(dev_drv->update_regs_thread);
3608                                 dev_drv->update_regs_thread = NULL;
3609
3610                                 printk("failed to run update_regs thread\n");
3611                                 return err;
3612                         }
3613                         init_kthread_work(&dev_drv->update_regs_work,
3614                                           rk_fb_update_regs_handler);
3615
3616                         dev_drv->timeline =
3617                             sw_sync_timeline_create("fb-timeline");
3618                         dev_drv->timeline_max = 1;
3619                 }
3620         }
3621
3622         /* show logo for primary display device */
3623 #if !defined(CONFIG_FRAMEBUFFER_CONSOLE)
3624         if (dev_drv->prop == PRMRY) {
3625                 u16 xact, yact;
3626                 int format;
3627                 u32 dsp_addr;
3628                 struct fb_info *main_fbi = rk_fb->fb[0];
3629                 main_fbi->fbops->fb_open(main_fbi, 1);
3630
3631 #if defined(CONFIG_ROCKCHIP_IOMMU)
3632                 if (dev_drv->iommu_enabled) {
3633                         if (dev_drv->mmu_dev)
3634                                 rockchip_iovmm_set_fault_handler(dev_drv->dev,
3635                                                 rk_fb_sysmmu_fault_handler);
3636                 }
3637 #endif
3638
3639                 rk_fb_alloc_buffer(main_fbi);   /* only alloc memory for main fb */
3640                 dev_drv->uboot_logo = support_uboot_display();
3641
3642                 if (dev_drv->uboot_logo &&
3643                     uboot_logo_offset && uboot_logo_base) {
3644                         int width, height, bits;
3645                         phys_addr_t start = uboot_logo_base + uboot_logo_offset;
3646                         unsigned int size = uboot_logo_size - uboot_logo_offset;
3647                         unsigned int nr_pages;
3648                         struct page **pages;
3649                         char *vaddr;
3650                         int i = 0;
3651
3652                         if (dev_drv->ops->get_dspbuf_info)
3653                                 dev_drv->ops->get_dspbuf_info(dev_drv, &xact,
3654                                         &yact, &format, &dsp_addr);
3655                         nr_pages = size >> PAGE_SHIFT;
3656                         pages = kzalloc(sizeof(struct page) * nr_pages,
3657                                         GFP_KERNEL);
3658                         while (i < nr_pages) {
3659                                 pages[i] = phys_to_page(start);
3660                                 start += PAGE_SIZE;
3661                                 i++;
3662                         }
3663                         vaddr = vmap(pages, nr_pages, VM_MAP,
3664                                         pgprot_writecombine(PAGE_KERNEL));
3665                         if (!vaddr) {
3666                                 pr_err("failed to vmap phy addr 0x%lx\n",
3667                                        (long)(uboot_logo_base +
3668                                        uboot_logo_offset));
3669                                 return -1;
3670                         }
3671
3672                         if(bmpdecoder(vaddr, main_fbi->screen_base, &width,
3673                                       &height, &bits)) {
3674                                 kfree(pages);
3675                                 vunmap(vaddr);
3676                                 return 0;
3677                         }
3678                         kfree(pages);
3679                         vunmap(vaddr);
3680                         if (dev_drv->uboot_logo &&
3681                             (width != xact || height != yact)) {
3682                                 pr_err("can't support uboot kernel logo use different size [%dx%d] != [%dx%d]\n",
3683                                         xact, yact, width, height);
3684                                 return 0;
3685                         }
3686
3687                         if (dev_drv->ops->post_dspbuf) {
3688                                 dev_drv->ops->post_dspbuf(dev_drv,
3689                                         main_fbi->fix.smem_start,
3690                                         rk_fb_data_fmt(0, bits),
3691                                         width, height, width * bits >> 5);
3692                         }
3693                         if (dev_drv->iommu_enabled) {
3694                                 rk_fb_poll_wait_frame_complete();
3695                                 if (dev_drv->ops->mmu_en)
3696                                         dev_drv->ops->mmu_en(dev_drv);
3697                                 freed_index = 0;
3698                         }
3699
3700                         return 0;
3701                 } else if (dev_drv->uboot_logo && uboot_logo_base) {
3702                         u32 start = uboot_logo_base;
3703                         int logo_len, i=0;
3704                         unsigned int nr_pages;
3705                         struct page **pages;
3706                         char *vaddr;
3707
3708                         dev_drv->ops->get_dspbuf_info(dev_drv, &xact,
3709                                                       &yact, &format,
3710                                                       &start);
3711                         logo_len = rk_fb_pixel_width(format) * xact * yact >> 3;
3712                         if (logo_len > uboot_logo_size ||
3713                             logo_len > main_fbi->fix.smem_len) {
3714                                 pr_err("logo size > uboot reserve buffer size\n");
3715                                 return -1;
3716                         }
3717
3718                         nr_pages = uboot_logo_size >> PAGE_SHIFT;
3719                         pages = kzalloc(sizeof(struct page) * nr_pages,
3720                                         GFP_KERNEL);
3721                         while (i < nr_pages) {
3722                                 pages[i] = phys_to_page(start);
3723                                 start += PAGE_SIZE;
3724                                 i++;
3725                         }
3726                         vaddr = vmap(pages, nr_pages, VM_MAP,
3727                                         pgprot_writecombine(PAGE_KERNEL));
3728                         if (!vaddr) {
3729                                 pr_err("failed to vmap phy addr 0x%llx\n",
3730                                        uboot_logo_base);
3731                                 return -1;
3732                         }
3733
3734                         memcpy(main_fbi->screen_base, vaddr, logo_len);
3735
3736                         kfree(pages);
3737                         vunmap(vaddr);
3738
3739                         dev_drv->ops->post_dspbuf(dev_drv,
3740                                         main_fbi->fix.smem_start,
3741                                         format, xact, yact,
3742                                         xact * rk_fb_pixel_width(format) >> 5);
3743                         if (dev_drv->iommu_enabled) {
3744                                 rk_fb_poll_wait_frame_complete();
3745                                 if (dev_drv->ops->mmu_en)
3746                                         dev_drv->ops->mmu_en(dev_drv);
3747                                 freed_index = 0;
3748                         }
3749                         return 0;
3750                 } else {
3751                         if (dev_drv->ops->mmu_en)
3752                                 dev_drv->ops->mmu_en(dev_drv);
3753                         freed_index = 0;
3754                 }
3755 #if defined(CONFIG_LOGO)
3756                 main_fbi->fbops->fb_set_par(main_fbi);
3757 #if  defined(CONFIG_LOGO_LINUX_BMP)
3758                 if (fb_prewine_bmp_logo(main_fbi, FB_ROTATE_UR)) {
3759                         fb_set_cmap(&main_fbi->cmap, main_fbi);
3760                         fb_show_bmp_logo(main_fbi, FB_ROTATE_UR);
3761                 }
3762 #else
3763                 if (fb_prepare_logo(main_fbi, FB_ROTATE_UR)) {
3764                         fb_set_cmap(&main_fbi->cmap, main_fbi);
3765                         fb_show_logo(main_fbi, FB_ROTATE_UR);
3766                 }
3767 #endif
3768                 main_fbi->fbops->fb_pan_display(&main_fbi->var, main_fbi);
3769 #endif
3770         } else {
3771                 struct fb_info *extend_fbi = rk_fb->fb[rk_fb->num_fb >> 1];
3772
3773                 rk_fb_alloc_buffer(extend_fbi);
3774         }
3775 #endif
3776         return 0;
3777 }
3778
3779 int rk_fb_unregister(struct rk_lcdc_driver *dev_drv)
3780 {
3781         struct rk_fb *fb_inf = platform_get_drvdata(fb_pdev);
3782         struct fb_info *fbi;
3783         int fb_index_base = dev_drv->fb_index_base;
3784         int fb_num = dev_drv->lcdc_win_num;
3785         int i = 0;
3786
3787         if (fb_inf->lcdc_dev_drv[i]->vsync_info.thread) {
3788                 fb_inf->lcdc_dev_drv[i]->vsync_info.irq_stop = 1;
3789                 kthread_stop(fb_inf->lcdc_dev_drv[i]->vsync_info.thread);
3790         }
3791
3792         for (i = 0; i < fb_num; i++)
3793                 kfree(dev_drv->win[i]);
3794
3795         for (i = fb_index_base; i < (fb_index_base + fb_num); i++) {
3796                 fbi = fb_inf->fb[i];
3797                 unregister_framebuffer(fbi);
3798                 /* rk_release_fb_buffer(fbi); */
3799                 framebuffer_release(fbi);
3800         }
3801         fb_inf->lcdc_dev_drv[dev_drv->id] = NULL;
3802         fb_inf->num_lcdc--;
3803
3804         return 0;
3805 }
3806
3807 static int rk_fb_probe(struct platform_device *pdev)
3808 {
3809         struct rk_fb *rk_fb = NULL;
3810         struct device_node *np = pdev->dev.of_node;
3811         u32 mode;
3812
3813         if (!np) {
3814                 dev_err(&pdev->dev, "Missing device tree node.\n");
3815                 return -EINVAL;
3816         }
3817
3818         rk_fb = devm_kzalloc(&pdev->dev, sizeof(struct rk_fb), GFP_KERNEL);
3819         if (!rk_fb) {
3820                 dev_err(&pdev->dev, "kmalloc for rk fb fail!");
3821                 return -ENOMEM;
3822         }
3823         platform_set_drvdata(pdev, rk_fb);
3824
3825         if (!of_property_read_u32(np, "rockchip,disp-mode", &mode)) {
3826                 rk_fb->disp_mode = mode;
3827
3828         } else {
3829                 dev_err(&pdev->dev, "no disp-mode node found!");
3830                 return -ENODEV;
3831         }
3832
3833         if (!of_property_read_u32(np, "rockchip,disp-policy", &mode)) {
3834                 rk_fb->disp_policy = mode;
3835                 pr_info("fb disp policy is %s\n", rk_fb->disp_policy ? "box":"sdk");
3836         }
3837
3838         if (!of_property_read_u32(np, "rockchip,uboot-logo-on", &uboot_logo_on))
3839                 printk(KERN_DEBUG "uboot-logo-on:%d\n", uboot_logo_on);
3840
3841         dev_set_name(&pdev->dev, "rockchip-fb");
3842 #if defined(CONFIG_ION_ROCKCHIP)
3843         rk_fb->ion_client = rockchip_ion_client_create("rk_fb");
3844         if (IS_ERR(rk_fb->ion_client)) {
3845                 dev_err(&pdev->dev, "failed to create ion client for rk fb");
3846                 return PTR_ERR(rk_fb->ion_client);
3847         } else {
3848                 dev_info(&pdev->dev, "rk fb ion client create success!\n");
3849         }
3850 #endif
3851
3852         fb_pdev = pdev;
3853         dev_info(&pdev->dev, "rockchip framebuffer driver probe\n");
3854         return 0;
3855 }
3856
3857 static int rk_fb_remove(struct platform_device *pdev)
3858 {
3859         struct rk_fb *rk_fb = platform_get_drvdata(pdev);
3860
3861         kfree(rk_fb);
3862         platform_set_drvdata(pdev, NULL);
3863         return 0;
3864 }
3865
3866 static void rk_fb_shutdown(struct platform_device *pdev)
3867 {
3868         struct rk_fb *rk_fb = platform_get_drvdata(pdev);
3869         int i;
3870
3871         for (i = 0; i < rk_fb->num_lcdc; i++) {
3872                 if (!rk_fb->lcdc_dev_drv[i])
3873                         continue;
3874         }
3875 }
3876
3877 static const struct of_device_id rkfb_dt_ids[] = {
3878         {.compatible = "rockchip,rk-fb",},
3879         {}
3880 };
3881
3882 static struct platform_driver rk_fb_driver = {
3883         .probe = rk_fb_probe,
3884         .remove = rk_fb_remove,
3885         .driver = {
3886                    .name = "rk-fb",
3887                    .owner = THIS_MODULE,
3888                    .of_match_table = of_match_ptr(rkfb_dt_ids),
3889                    },
3890         .shutdown = rk_fb_shutdown,
3891 };
3892
3893 static int __init rk_fb_init(void)
3894 {
3895         return platform_driver_register(&rk_fb_driver);
3896 }
3897
3898 static void __exit rk_fb_exit(void)
3899 {
3900         platform_driver_unregister(&rk_fb_driver);
3901 }
3902
3903 fs_initcall(rk_fb_init);
3904 module_exit(rk_fb_exit);