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         case SCREEN_LVDS_10BIT:
 103         case SCREEN_DUAL_LVDS_10BIT:
 104                 trsm_lvds_ops = ops;
 105                 break;
 106         case SCREEN_EDP:
 107                 trsm_edp_ops = ops;
 108                 break;
 109         case SCREEN_MIPI:
 110         case SCREEN_DUAL_MIPI:
 111                 trsm_mipi_ops = ops;
 112                 break;
 113         default:
 114                 printk(KERN_WARNING "%s:un supported transmitter:%d!\n",
 115                        __func__, type);
 116                 break;
 117         }
 118         return 0;
 119 }
 120
 121 struct rk_fb_trsm_ops *rk_fb_trsm_ops_get(int type)
 122 {
 123         struct rk_fb_trsm_ops *ops;
 124         switch (type) {
 125         case SCREEN_RGB:
 126         case SCREEN_LVDS:
 127         case SCREEN_DUAL_LVDS:
 128         case SCREEN_LVDS_10BIT:
 129         case SCREEN_DUAL_LVDS_10BIT:
 130                 ops = trsm_lvds_ops;
 131                 break;
 132         case SCREEN_EDP:
 133                 ops = trsm_edp_ops;
 134                 break;
 135         case SCREEN_MIPI:
 136         case SCREEN_DUAL_MIPI:
 137                 ops = trsm_mipi_ops;
 138                 break;
 139         default:
 140                 ops = NULL;
 141                 printk(KERN_WARNING "%s:un supported transmitter:%d!\n",
 142                        __func__, type);
 143                 break;
 144         }
 145         return ops;
 146 }
 147
 148 int rk_fb_pixel_width(int data_format)
 149 {
 150         int pixel_width;
 151         switch (data_format) {
 152         case XBGR888:
 153         case ABGR888:
 154         case ARGB888:
 155         case FBDC_ARGB_888:
 156         case FBDC_ABGR_888:
 157         case FBDC_RGBX_888:
 158                 pixel_width = 4 * 8;
 159                 break;
 160         case RGB888:
 161                 pixel_width = 3 * 8;
 162                 break;
 163         case RGB565:
 164         case FBDC_RGB_565:
 165                 pixel_width = 2 * 8;
 166                 break;
 167         case YUV422:
 168         case YUV420:
 169         case YUV420_NV21:
 170         case YUV444:
 171                 pixel_width = 1 * 8;
 172                 break;
 173         case YUV422_A:
 174         case YUV420_A:
 175         case YUV444_A:
 176                 pixel_width = 8;
 177                 break;
 178         default:
 179                 printk(KERN_WARNING "%s:un supported format:0x%x\n",
 180                        __func__, data_format);
 181                 return -EINVAL;
 182         }
 183         return pixel_width;
 184 }
 185
 186 static int rk_fb_data_fmt(int data_format, int bits_per_pixel)
 187 {
 188         int fb_data_fmt;
 189         if (data_format) {
 190                 switch (data_format) {
 191                 case HAL_PIXEL_FORMAT_RGBX_8888:
 192                         fb_data_fmt = XBGR888;
 193                         break;
 194                 case HAL_PIXEL_FORMAT_RGBA_8888:
 195                         fb_data_fmt = ABGR888;
 196                         break;
 197                 case HAL_PIXEL_FORMAT_BGRA_8888:
 198                         fb_data_fmt = ARGB888;
 199                         break;
 200                 case HAL_PIXEL_FORMAT_RGB_888:
 201                         fb_data_fmt = RGB888;
 202                         break;
 203                 case HAL_PIXEL_FORMAT_RGB_565:
 204                         fb_data_fmt = RGB565;
 205                         break;
 206                 case HAL_PIXEL_FORMAT_YCbCr_422_SP:     /* yuv422 */
 207                         fb_data_fmt = YUV422;
 208                         break;
 209                 case HAL_PIXEL_FORMAT_YCrCb_420_SP:     /* YUV420---vuvuvu */
 210                         fb_data_fmt = YUV420_NV21;
 211                         break;
 212                 case HAL_PIXEL_FORMAT_YCrCb_NV12:       /* YUV420---uvuvuv */
 213                         fb_data_fmt = YUV420;
 214                         break;
 215                 case HAL_PIXEL_FORMAT_YCrCb_444:        /* yuv444 */
 216                         fb_data_fmt = YUV444;
 217                         break;
 218                 case HAL_PIXEL_FORMAT_YCrCb_NV12_10:    /* yuv444 */
 219                         fb_data_fmt = YUV420_A;
 220                         break;
 221                 case HAL_PIXEL_FORMAT_YCbCr_422_SP_10:  /* yuv444 */
 222                         fb_data_fmt = YUV422_A;
 223                         break;
 224                 case HAL_PIXEL_FORMAT_YCrCb_420_SP_10:  /* yuv444 */
 225                         fb_data_fmt = YUV444_A;
 226                         break;
 227                 case HAL_PIXEL_FORMAT_FBDC_RGB565:      /* fbdc rgb565*/
 228                         fb_data_fmt = FBDC_RGB_565;
 229                         break;
 230                 case HAL_PIXEL_FORMAT_FBDC_U8U8U8U8:    /* fbdc argb888 */
 231                         fb_data_fmt = FBDC_ARGB_888;
 232                         break;
 233                 case HAL_PIXEL_FORMAT_FBDC_RGBA888:     /* fbdc abgr888 */
 234                         fb_data_fmt = FBDC_ABGR_888;
 235                         break;
 236                 case HAL_PIXEL_FORMAT_FBDC_U8U8U8:      /* fbdc rgb888 */
 237                         fb_data_fmt = FBDC_RGBX_888;
 238                         break;
 239                 default:
 240                         printk(KERN_WARNING "%s:un supported format:0x%x\n",
 241                                __func__, data_format);
 242                         return -EINVAL;
 243                 }
 244         } else {
 245                 switch (bits_per_pixel) {
 246                 case 32:
 247                         fb_data_fmt = ARGB888;
 248                         break;
 249                 case 24:
 250                         fb_data_fmt = RGB888;
 251                         break;
 252                 case 16:
 253                         fb_data_fmt = RGB565;
 254                         break;
 255                 default:
 256                         printk(KERN_WARNING
 257                                "%s:un supported bits_per_pixel:%d\n", __func__,
 258                                bits_per_pixel);
 259                         break;
 260                 }
 261         }
 262         return fb_data_fmt;
 263 }
 264
 265 /*
 266  * rk display power control parse from dts
 267  */
 268 int rk_disp_pwr_ctr_parse_dt(struct rk_lcdc_driver *dev_drv)
 269 {
 270         struct device_node *root = of_get_child_by_name(dev_drv->dev->of_node,
 271                                                         "power_ctr");
 272         struct device_node *child;
 273         struct rk_disp_pwr_ctr_list *pwr_ctr;
 274         struct list_head *pos;
 275         enum of_gpio_flags flags;
 276         u32 val = 0;
 277         u32 debug = 0;
 278         int ret;
 279
 280         INIT_LIST_HEAD(&dev_drv->pwrlist_head);
 281         if (!root) {
 282                 dev_err(dev_drv->dev, "can't find power_ctr node for lcdc%d\n",
 283                         dev_drv->id);
 284                 return -ENODEV;
 285         }
 286
 287         for_each_child_of_node(root, child) {
 288                 pwr_ctr = kmalloc(sizeof(struct rk_disp_pwr_ctr_list),
 289                                   GFP_KERNEL);
 290                 strcpy(pwr_ctr->pwr_ctr.name, child->name);
 291                 if (!of_property_read_u32(child, "rockchip,power_type", &val)) {
 292                         if (val == GPIO) {
 293                                 pwr_ctr->pwr_ctr.type = GPIO;
 294                                 pwr_ctr->pwr_ctr.gpio = of_get_gpio_flags(child, 0, &flags);
 295                                 if (!gpio_is_valid(pwr_ctr->pwr_ctr.gpio)) {
 296                                         dev_err(dev_drv->dev, "%s ivalid gpio\n",
 297                                                 child->name);
 298                                         return -EINVAL;
 299                                 }
 300                                 pwr_ctr->pwr_ctr.atv_val = !(flags & OF_GPIO_ACTIVE_LOW);
 301                                 ret = gpio_request(pwr_ctr->pwr_ctr.gpio,
 302                                                    child->name);
 303                                 if (ret) {
 304                                         dev_err(dev_drv->dev,
 305                                                 "request %s gpio fail:%d\n",
 306                                                 child->name, ret);
 307                                 }
 308
 309                         } else {
 310                                 pwr_ctr->pwr_ctr.type = REGULATOR;
 311                                 pwr_ctr->pwr_ctr.rgl_name = NULL;
 312                                 ret = of_property_read_string(child, "rockchip,regulator_name",
 313                                                              &(pwr_ctr->pwr_ctr.rgl_name));
 314                                 if (ret || IS_ERR_OR_NULL(pwr_ctr->pwr_ctr.rgl_name))
 315                                         dev_err(dev_drv->dev, "get regulator name failed!\n");
 316                                 if (!of_property_read_u32(child, "rockchip,regulator_voltage", &val))
 317                                         pwr_ctr->pwr_ctr.volt = val;
 318                                 else
 319                                         pwr_ctr->pwr_ctr.volt = 0;
 320                         }
 321                 };
 322
 323                 if (!of_property_read_u32(child, "rockchip,delay", &val))
 324                         pwr_ctr->pwr_ctr.delay = val;
 325                 else
 326                         pwr_ctr->pwr_ctr.delay = 0;
 327                 list_add_tail(&pwr_ctr->list, &dev_drv->pwrlist_head);
 328         }
 329
 330         of_property_read_u32(root, "rockchip,debug", &debug);
 331
 332         if (debug) {
 333                 list_for_each(pos, &dev_drv->pwrlist_head) {
 334                         pwr_ctr = list_entry(pos, struct rk_disp_pwr_ctr_list,
 335                                              list);
 336                         printk(KERN_INFO "pwr_ctr_name:%s\n"
 337                                "pwr_type:%s\n"
 338                                "gpio:%d\n"
 339                                "atv_val:%d\n"
 340                                "delay:%d\n\n",
 341                                pwr_ctr->pwr_ctr.name,
 342                                (pwr_ctr->pwr_ctr.type == GPIO) ? "gpio" : "regulator",
 343                                pwr_ctr->pwr_ctr.gpio,
 344                                pwr_ctr->pwr_ctr.atv_val,
 345                                pwr_ctr->pwr_ctr.delay);
 346                 }
 347         }
 348
 349         return 0;
 350
 351 }
 352
 353 int rk_disp_pwr_enable(struct rk_lcdc_driver *dev_drv)
 354 {
 355         struct list_head *pos;
 356         struct rk_disp_pwr_ctr_list *pwr_ctr_list;
 357         struct pwr_ctr *pwr_ctr;
 358         struct regulator *regulator_lcd = NULL;
 359         int count = 10;
 360
 361         if (list_empty(&dev_drv->pwrlist_head))
 362                 return 0;
 363         list_for_each(pos, &dev_drv->pwrlist_head) {
 364                 pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list,
 365                                           list);
 366                 pwr_ctr = &pwr_ctr_list->pwr_ctr;
 367                 if (pwr_ctr->type == GPIO) {
 368                         gpio_direction_output(pwr_ctr->gpio, pwr_ctr->atv_val);
 369                         mdelay(pwr_ctr->delay);
 370                 } else if (pwr_ctr->type == REGULATOR) {
 371                         if (pwr_ctr->rgl_name)
 372                                 regulator_lcd = regulator_get(NULL, pwr_ctr->rgl_name);
 373                         if (regulator_lcd == NULL) {
 374                                 dev_err(dev_drv->dev,
 375                                         "%s: regulator get failed,regulator name:%s\n",
 376                                         __func__, pwr_ctr->rgl_name);
 377                                 continue;
 378                         }
 379                         regulator_set_voltage(regulator_lcd, pwr_ctr->volt, pwr_ctr->volt);
 380                         while (!regulator_is_enabled(regulator_lcd)) {
 381                                 if (regulator_enable(regulator_lcd) == 0 || count == 0)
 382                                         break;
 383                                 else
 384                                         dev_err(dev_drv->dev,
 385                                                 "regulator_enable failed,count=%d\n",
 386                                                 count);
 387                                 count--;
 388                         }
 389                         regulator_put(regulator_lcd);
 390                         msleep(pwr_ctr->delay);
 391                 }
 392         }
 393
 394         return 0;
 395 }
 396
 397 int rk_disp_pwr_disable(struct rk_lcdc_driver *dev_drv)
 398 {
 399         struct list_head *pos;
 400         struct rk_disp_pwr_ctr_list *pwr_ctr_list;
 401         struct pwr_ctr *pwr_ctr;
 402         struct regulator *regulator_lcd = NULL;
 403         int count = 10;
 404
 405         if (list_empty(&dev_drv->pwrlist_head))
 406                 return 0;
 407         list_for_each(pos, &dev_drv->pwrlist_head) {
 408                 pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list,
 409                                           list);
 410                 pwr_ctr = &pwr_ctr_list->pwr_ctr;
 411                 if (pwr_ctr->type == GPIO) {
 412                         gpio_set_value(pwr_ctr->gpio, !pwr_ctr->atv_val);
 413                 } else if (pwr_ctr->type == REGULATOR) {
 414                         if (pwr_ctr->rgl_name)
 415                                 regulator_lcd = regulator_get(NULL, pwr_ctr->rgl_name);
 416                         if (regulator_lcd == NULL) {
 417                                 dev_err(dev_drv->dev,
 418                                         "%s: regulator get failed,regulator name:%s\n",
 419                                         __func__, pwr_ctr->rgl_name);
 420                                 continue;
 421                         }
 422                         while (regulator_is_enabled(regulator_lcd) > 0) {
 423                                 if (regulator_disable(regulator_lcd) == 0 || count == 0)
 424                                         break;
 425                                 else
 426                                         dev_err(dev_drv->dev,
 427                                                 "regulator_disable failed,count=%d\n",
 428                                                 count);
 429                                 count--;
 430                         }
 431                         regulator_put(regulator_lcd);
 432                 }
 433         }
 434         return 0;
 435 }
 436
 437 int rk_fb_video_mode_from_timing(const struct display_timing *dt,
 438                                  struct rk_screen *screen)
 439 {
 440         screen->mode.pixclock = dt->pixelclock.typ;
 441         screen->mode.left_margin = dt->hback_porch.typ;
 442         screen->mode.right_margin = dt->hfront_porch.typ;
 443         screen->mode.xres = dt->hactive.typ;
 444         screen->mode.hsync_len = dt->hsync_len.typ;
 445         screen->mode.upper_margin = dt->vback_porch.typ;
 446         screen->mode.lower_margin = dt->vfront_porch.typ;
 447         screen->mode.yres = dt->vactive.typ;
 448         screen->mode.vsync_len = dt->vsync_len.typ;
 449         screen->type = dt->screen_type;
 450         screen->lvds_format = dt->lvds_format;
 451         screen->face = dt->face;
 452         screen->color_mode = dt->color_mode;
 453         screen->dsp_lut = dt->dsp_lut;
 454         screen->cabc_lut = dt->cabc_lut;
 455         screen->cabc_gamma_base = dt->cabc_gamma_base;
 456
 457         if (dt->flags & DISPLAY_FLAGS_PIXDATA_POSEDGE)
 458                 screen->pin_dclk = 1;
 459         else
 460                 screen->pin_dclk = 0;
 461         if (dt->flags & DISPLAY_FLAGS_HSYNC_HIGH)
 462                 screen->pin_hsync = 1;
 463         else
 464                 screen->pin_hsync = 0;
 465         if (dt->flags & DISPLAY_FLAGS_VSYNC_HIGH)
 466                 screen->pin_vsync = 1;
 467         else
 468                 screen->pin_vsync = 0;
 469         if (dt->flags & DISPLAY_FLAGS_DE_HIGH)
 470                 screen->pin_den = 1;
 471         else
 472                 screen->pin_den = 0;
 473
 474         return 0;
 475
 476 }
 477
 478 int rk_fb_prase_timing_dt(struct device_node *np, struct rk_screen *screen)
 479 {
 480         struct display_timings *disp_timing;
 481         struct display_timing *dt;
 482         disp_timing = of_get_display_timings(np);
 483         if (!disp_timing) {
 484                 pr_err("parse display timing err\n");
 485                 return -EINVAL;
 486         }
 487         dt = display_timings_get(disp_timing, disp_timing->native_mode);
 488         rk_fb_video_mode_from_timing(dt, screen);
 489         return 0;
 490
 491 }
 492
 493 int rk_fb_calc_fps(struct rk_screen *screen, u32 pixclock)
 494 {
 495         int x, y;
 496         unsigned long long hz;
 497         if (!screen) {
 498                 printk(KERN_ERR "%s:null screen!\n", __func__);
 499                 return 0;
 500         }
 501         x = screen->mode.xres + screen->mode.left_margin +
 502             screen->mode.right_margin + screen->mode.hsync_len;
 503         y = screen->mode.yres + screen->mode.upper_margin +
 504             screen->mode.lower_margin + screen->mode.vsync_len;
 505
 506         hz = 1000000000000ULL;  /* 1e12 picoseconds per second */
 507
 508         hz += (x * y) / 2;
 509         do_div(hz, x * y);      /* divide by x * y with rounding */
 510
 511         hz += pixclock / 2;
 512         do_div(hz, pixclock);   /* divide by pixclock with rounding */
 513
 514         return hz;
 515 }
 516
 517 char *get_format_string(enum data_format format, char *fmt)
 518 {
 519         if (!fmt)
 520                 return NULL;
 521         switch (format) {
 522         case ARGB888:
 523                 strcpy(fmt, "ARGB888");
 524                 break;
 525         case RGB888:
 526                 strcpy(fmt, "RGB888");
 527                 break;
 528         case RGB565:
 529                 strcpy(fmt, "RGB565");
 530                 break;
 531         case YUV420:
 532         case YUV420_NV21:
 533                 strcpy(fmt, "YUV420");
 534                 break;
 535         case YUV422:
 536                 strcpy(fmt, "YUV422");
 537                 break;
 538         case YUV444:
 539                 strcpy(fmt, "YUV444");
 540                 break;
 541         case YUV420_A:
 542                 strcpy(fmt, "YUV420_A");
 543                 break;
 544         case YUV422_A:
 545                 strcpy(fmt, "YUV422_A");
 546                 break;
 547         case YUV444_A:
 548                 strcpy(fmt, "YUV444_A");
 549                 break;
 550         case XRGB888:
 551                 strcpy(fmt, "XRGB888");
 552                 break;
 553         case XBGR888:
 554                 strcpy(fmt, "XBGR888");
 555                 break;
 556         case ABGR888:
 557                 strcpy(fmt, "ABGR888");
 558                 break;
 559         case FBDC_RGB_565:
 560                 strcpy(fmt, "FBDC_RGB_565");
 561                 break;
 562         case FBDC_ARGB_888:
 563         case FBDC_ABGR_888:
 564                 strcpy(fmt, "FBDC_ARGB_888");
 565                 break;
 566         case FBDC_RGBX_888:
 567                 strcpy(fmt, "FBDC_RGBX_888");
 568                 break;
 569         default:
 570                 strcpy(fmt, "invalid");
 571                 break;
 572         }
 573
 574         return fmt;
 575
 576 }
 577
 578 /*
 579  * this is for hdmi
 580  * name: lcdc device name ,lcdc0 , lcdc1
 581  */
 582 struct rk_lcdc_driver *rk_get_lcdc_drv(char *name)
 583 {
 584         struct rk_fb *inf = NULL;
 585         struct rk_lcdc_driver *dev_drv = NULL;
 586         int i = 0;
 587
 588         if (likely(fb_pdev))
 589                 inf = platform_get_drvdata(fb_pdev);
 590         else
 591                 return NULL;
 592
 593         for (i = 0; i < inf->num_lcdc; i++) {
 594                 if (!strcmp(inf->lcdc_dev_drv[i]->name, name)) {
 595                         dev_drv = inf->lcdc_dev_drv[i];
 596                         break;
 597                 }
 598         }
 599
 600         return dev_drv;
 601 }
 602
 603 static struct rk_lcdc_driver *rk_get_prmry_lcdc_drv(void)
 604 {
 605         struct rk_fb *inf = NULL;
 606         struct rk_lcdc_driver *dev_drv = NULL;
 607         int i = 0;
 608
 609         if (likely(fb_pdev))
 610                 inf = platform_get_drvdata(fb_pdev);
 611         else
 612                 return NULL;
 613
 614         for (i = 0; i < inf->num_lcdc; i++) {
 615                 if (inf->lcdc_dev_drv[i]->prop == PRMRY) {
 616                         dev_drv = inf->lcdc_dev_drv[i];
 617                         break;
 618                 }
 619         }
 620
 621         return dev_drv;
 622 }
 623
 624 static __maybe_unused struct rk_lcdc_driver *rk_get_extend_lcdc_drv(void)
 625 {
 626         struct rk_fb *inf = NULL;
 627         struct rk_lcdc_driver *dev_drv = NULL;
 628         int i = 0;
 629
 630         if (likely(fb_pdev))
 631                 inf = platform_get_drvdata(fb_pdev);
 632         else
 633                 return NULL;
 634
 635         for (i = 0; i < inf->num_lcdc; i++) {
 636                 if (inf->lcdc_dev_drv[i]->prop == EXTEND) {
 637                         dev_drv = inf->lcdc_dev_drv[i];
 638                         break;
 639                 }
 640         }
 641
 642         return dev_drv;
 643 }
 644
 645 /*
 646  * get one frame time of the prmry screen, unit: us
 647  */
 648 u32 rk_fb_get_prmry_screen_ft(void)
 649 {
 650         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 651         uint32_t htotal, vtotal, pixclock_ps;
 652         u64 pix_total, ft_us;
 653
 654         if (unlikely(!dev_drv))
 655                 return 0;
 656
 657         pixclock_ps = dev_drv->pixclock;
 658
 659         vtotal = (dev_drv->cur_screen->mode.upper_margin +
 660                  dev_drv->cur_screen->mode.lower_margin +
 661                  dev_drv->cur_screen->mode.yres +
 662                  dev_drv->cur_screen->mode.vsync_len);
 663         htotal = (dev_drv->cur_screen->mode.left_margin +
 664                  dev_drv->cur_screen->mode.right_margin +
 665                  dev_drv->cur_screen->mode.xres +
 666                  dev_drv->cur_screen->mode.hsync_len);
 667         pix_total = htotal * vtotal;
 668         ft_us = pix_total * pixclock_ps;
 669         do_div(ft_us, 1000000);
 670         if (dev_drv->frame_time.ft == 0)
 671                 dev_drv->frame_time.ft = ft_us;
 672
 673         ft_us = dev_drv->frame_time.framedone_t - dev_drv->frame_time.last_framedone_t;
 674         do_div(ft_us, 1000);
 675         ft_us = min(dev_drv->frame_time.ft, (u32)ft_us);
 676         if (ft_us != 0)
 677                 dev_drv->frame_time.ft = ft_us;
 678
 679         return dev_drv->frame_time.ft;
 680 }
 681
 682 /*
 683  * get the vblanking time of the prmry screen, unit: us
 684  */
 685 u32 rk_fb_get_prmry_screen_vbt(void)
 686 {
 687         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 688         uint32_t htotal, vblank, pixclock_ps;
 689         u64 pix_blank, vbt_us;
 690
 691         if (unlikely(!dev_drv))
 692                 return 0;
 693
 694         pixclock_ps = dev_drv->pixclock;
 695
 696         htotal = (dev_drv->cur_screen->mode.left_margin +
 697                  dev_drv->cur_screen->mode.right_margin +
 698                  dev_drv->cur_screen->mode.xres +
 699                  dev_drv->cur_screen->mode.hsync_len);
 700         vblank = (dev_drv->cur_screen->mode.upper_margin +
 701                  dev_drv->cur_screen->mode.lower_margin +
 702                  dev_drv->cur_screen->mode.vsync_len);
 703         pix_blank = htotal * vblank;
 704         vbt_us = pix_blank * pixclock_ps;
 705         do_div(vbt_us, 1000000);
 706         return (u32)vbt_us;
 707 }
 708
 709 /*
 710  * get the frame done time of the prmry screen, unit: us
 711  */
 712 u64 rk_fb_get_prmry_screen_framedone_t(void)
 713 {
 714         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 715
 716         if (unlikely(!dev_drv))
 717                 return 0;
 718         else
 719                 return dev_drv->frame_time.framedone_t;
 720 }
 721
 722 /*
 723  * set prmry screen status
 724  */
 725 int rk_fb_set_prmry_screen_status(int status)
 726 {
 727         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 728         struct rk_screen *screen;
 729
 730         if (unlikely(!dev_drv))
 731                 return 0;
 732
 733         screen = dev_drv->cur_screen;
 734         switch (status) {
 735         case SCREEN_PREPARE_DDR_CHANGE:
 736                 if (screen->type == SCREEN_MIPI
 737                         || screen->type == SCREEN_DUAL_MIPI) {
 738                         if (dev_drv->trsm_ops->dsp_pwr_off)
 739                                 dev_drv->trsm_ops->dsp_pwr_off();
 740                 }
 741                 break;
 742         case SCREEN_UNPREPARE_DDR_CHANGE:
 743                 if (screen->type == SCREEN_MIPI
 744                         || screen->type == SCREEN_DUAL_MIPI) {
 745                         if (dev_drv->trsm_ops->dsp_pwr_on)
 746                                 dev_drv->trsm_ops->dsp_pwr_on();
 747                 }
 748                 break;
 749         default:
 750                 break;
 751         }
 752
 753         return 0;
 754 }
 755
 756 u32 rk_fb_get_prmry_screen_pixclock(void)
 757 {
 758         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 759
 760         if (unlikely(!dev_drv))
 761                 return 0;
 762         else
 763                 return dev_drv->pixclock;
 764 }
 765
 766 int rk_fb_poll_prmry_screen_vblank(void)
 767 {
 768         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 769
 770         if (likely(dev_drv)) {
 771                 if (dev_drv->ops->poll_vblank)
 772                         return dev_drv->ops->poll_vblank(dev_drv);
 773                 else
 774                         return RK_LF_STATUS_NC;
 775         } else {
 776                 return RK_LF_STATUS_NC;
 777         }
 778 }
 779
 780 bool rk_fb_poll_wait_frame_complete(void)
 781 {
 782         uint32_t timeout = RK_LF_MAX_TIMEOUT;
 783         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 784
 785         if (likely(dev_drv)) {
 786                 if (dev_drv->ops->set_irq_to_cpu)
 787                         dev_drv->ops->set_irq_to_cpu(dev_drv, 0);
 788         }
 789
 790         if (rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_NC) {
 791                 if (likely(dev_drv)) {
 792                         if (dev_drv->ops->set_irq_to_cpu)
 793                                 dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
 794                 }
 795                 return false;
 796         }
 797         while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FR) && --timeout)
 798                 ;
 799         while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FC) && --timeout)
 800                 ;
 801         if (likely(dev_drv)) {
 802                 if (dev_drv->ops->set_irq_to_cpu)
 803                         dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
 804         }
 805
 806         return true;
 807 }
 808
 809
 810 /* rk_fb_get_sysmmu_device_by_compatible()
 811  * @compt: dts device compatible name
 812  * return value: success: pointer to the device inside of platform device
 813  *               fail: NULL
 814  */
 815 struct device *rk_fb_get_sysmmu_device_by_compatible(const char *compt)
 816 {
 817         struct device_node *dn = NULL;
 818         struct platform_device *pd = NULL;
 819         struct device *ret = NULL ;
 820
 821         dn = of_find_compatible_node(NULL, NULL, compt);
 822         if (!dn) {
 823                 printk("can't find device node %s \r\n", compt);
 824                 return NULL;
 825         }
 826
 827         pd = of_find_device_by_node(dn);
 828         if (!pd) {
 829                 printk("can't find platform device in device node %s \r\n", compt);
 830                 return  NULL;
 831         }
 832         ret = &pd->dev;
 833
 834         return ret;
 835 }
 836
 837 #ifdef CONFIG_IOMMU_API
 838 void rk_fb_platform_set_sysmmu(struct device *sysmmu, struct device *dev)
 839 {
 840         dev->archdata.iommu = sysmmu;
 841 }
 842 #else
 843 void rk_fb_platform_set_sysmmu(struct device *sysmmu, struct device *dev)
 844 {
 845
 846 }
 847 #endif
 848
 849 static int rk_fb_open(struct fb_info *info, int user)
 850 {
 851         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
 852         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
 853         int win_id;
 854
 855         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
 856         fb_par->state++;
 857         /* if this win aready opened ,no need to reopen */
 858         if (dev_drv->win[win_id]->state)
 859                 return 0;
 860         else
 861                 dev_drv->ops->open(dev_drv, win_id, 1);
 862         return 0;
 863 }
 864
 865 static int rk_fb_close(struct fb_info *info, int user)
 866 {
 867         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
 868         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
 869         struct rk_lcdc_win *win = NULL;
 870         int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
 871
 872         if (win_id >= 0) {
 873                 win = dev_drv->win[win_id];
 874                 fb_par->state--;
 875                 if (!fb_par->state) {
 876                         if (fb_par->fb_phy_base > 0)
 877                                 info->fix.smem_start = fb_par->fb_phy_base;
 878                         info->var.xres = dev_drv->screen0->mode.xres;
 879                         info->var.yres = dev_drv->screen0->mode.yres;
 880                         /*
 881                         info->var.grayscale |=
 882                             (info->var.xres << 8) + (info->var.yres << 20);
 883                         */
 884                         info->var.xres_virtual = info->var.xres;
 885                         info->var.yres_virtual = info->var.yres;
 886 #if defined(CONFIG_LOGO_LINUX_BMP)
 887                         info->var.bits_per_pixel = 32;
 888 #else
 889                         info->var.bits_per_pixel = 16;
 890 #endif
 891                         info->fix.line_length =
 892                             (info->var.xres_virtual) * (info->var.bits_per_pixel >> 3);
 893                         info->var.width = dev_drv->screen0->width;
 894                         info->var.height = dev_drv->screen0->height;
 895                         info->var.pixclock = dev_drv->pixclock;
 896                         info->var.left_margin = dev_drv->screen0->mode.left_margin;
 897                         info->var.right_margin = dev_drv->screen0->mode.right_margin;
 898                         info->var.upper_margin = dev_drv->screen0->mode.upper_margin;
 899                         info->var.lower_margin = dev_drv->screen0->mode.lower_margin;
 900                         info->var.vsync_len = dev_drv->screen0->mode.vsync_len;
 901                         info->var.hsync_len = dev_drv->screen0->mode.hsync_len;
 902                 }
 903         }
 904
 905         return 0;
 906 }
 907
 908 #if defined(FB_ROATE_BY_KERNEL)
 909
 910 #if defined(CONFIG_RK29_IPP)
 911 static int get_ipp_format(int fmt)
 912 {
 913         int ipp_fmt = IPP_XRGB_8888;
 914         switch (fmt) {
 915         case HAL_PIXEL_FORMAT_RGBX_8888:
 916         case HAL_PIXEL_FORMAT_RGBA_8888:
 917         case HAL_PIXEL_FORMAT_BGRA_8888:
 918         case HAL_PIXEL_FORMAT_RGB_888:
 919                 ipp_fmt = IPP_XRGB_8888;
 920                 break;
 921         case HAL_PIXEL_FORMAT_RGB_565:
 922                 ipp_fmt = IPP_RGB_565;
 923                 break;
 924         case HAL_PIXEL_FORMAT_YCbCr_422_SP:
 925                 ipp_fmt = IPP_Y_CBCR_H2V1;
 926                 break;
 927         case HAL_PIXEL_FORMAT_YCrCb_NV12:
 928                 ipp_fmt = IPP_Y_CBCR_H2V2;
 929                 break;
 930         case HAL_PIXEL_FORMAT_YCrCb_444:
 931                 ipp_fmt = IPP_Y_CBCR_H1V1;
 932                 break;
 933         default:
 934                 ipp_fmt = IPP_IMGTYPE_LIMIT;
 935                 break;
 936         }
 937
 938         return ipp_fmt;
 939 }
 940
 941 static void ipp_win_check(int *dst_w, int *dst_h, int *dst_vir_w,
 942                           int rotation, int fmt)
 943 {
 944         int align16 = 2;
 945         int align64 = 8;
 946
 947         if (fmt == IPP_XRGB_8888) {
 948                 align16 = 1;
 949                 align64 = 2;
 950         } else if (fmt == IPP_RGB_565) {
 951                 align16 = 1;
 952                 align64 = 4;
 953         } else {
 954                 align16 = 2;
 955                 align64 = 8;
 956         }
 957         align16 -= 1;           /*for YUV, 1 */
 958         align64 -= 1;           /*for YUV, 7 */
 959
 960         if (rotation == IPP_ROT_0) {
 961                 if (fmt > IPP_RGB_565) {
 962                         if ((*dst_w & 1) != 0)
 963                                 *dst_w = *dst_w + 1;
 964                         if ((*dst_h & 1) != 0)
 965                                 *dst_h = *dst_h + 1;
 966                         if (*dst_vir_w < *dst_w)
 967                                 *dst_vir_w = *dst_w;
 968                 }
 969         } else {
 970                 if ((*dst_w & align64) != 0)
 971                         *dst_w = (*dst_w + align64) & (~align64);
 972                 if ((fmt > IPP_RGB_565) && ((*dst_h & 1) == 1))
 973                         *dst_h = *dst_h + 1;
 974                 if (*dst_vir_w < *dst_w)
 975                         *dst_vir_w = *dst_w;
 976         }
 977 }
 978
 979 static void fb_copy_by_ipp(struct fb_info *dst_info,
 980                                 struct fb_info *src_info)
 981 {
 982         struct rk29_ipp_req ipp_req;
 983         uint32_t rotation = 0;
 984         int dst_w, dst_h, dst_vir_w;
 985         int ipp_fmt;
 986         u8 data_format = (dst_info->var.nonstd) & 0xff;
 987         struct rk_fb_par *fb_par = (struct rk_fb_par *)dst_info->par;
 988         struct rk_lcdc_driver *ext_dev_drv = fb_par->lcdc_drv;
 989         u16 orientation = ext_dev_drv->rotate_mode;
 990
 991         memset(&ipp_req, 0, sizeof(struct rk29_ipp_req));
 992
 993         switch (orientation) {
 994         case 0:
 995                 rotation = IPP_ROT_0;
 996                 break;
 997         case ROTATE_90:
 998                 rotation = IPP_ROT_90;
 999                 break;
1000         case ROTATE_180:
1001                 rotation = IPP_ROT_180;
1002                 break;
1003         case ROTATE_270:
1004                 rotation = IPP_ROT_270;
1005                 break;
1006         default:
1007                 rotation = IPP_ROT_270;
1008                 break;
1009         }
1010
1011         dst_w = dst_info->var.xres;
1012         dst_h = dst_info->var.yres;
1013         dst_vir_w = dst_info->var.xres_virtual;
1014         ipp_fmt = get_ipp_format(data_format);
1015         ipp_win_check(&dst_w, &dst_h, &dst_vir_w, rotation, ipp_fmt);
1016         ipp_req.src0.YrgbMst = src_info->fix.smem_start + offset;
1017         ipp_req.src0.w = src_info->var.xres;
1018         ipp_req.src0.h = src_info->var.yres;
1019         ipp_req.src_vir_w = src_info->var.xres_virtual;
1020         ipp_req.src0.fmt = ipp_fmt;
1021
1022         ipp_req.dst0.YrgbMst = dst_info->fix.smem_start + offset;
1023         ipp_req.dst0.w = dst_w;
1024         ipp_req.dst0.h = dst_h;
1025         ipp_req.dst_vir_w = dst_vir_w;
1026         ipp_req.dst0.fmt = ipp_fmt;
1027
1028         ipp_req.timeout = 100;
1029         ipp_req.flag = rotation;
1030         ipp_blit_sync(&ipp_req);
1031 }
1032
1033 #endif
1034
1035 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1036 static int get_rga_format(int fmt)
1037 {
1038         int rga_fmt = 0;
1039
1040         switch (fmt) {
1041         case XBGR888:
1042                 rga_fmt = RK_FORMAT_RGBX_8888;
1043                 break;
1044         case ABGR888:
1045                 rga_fmt = RK_FORMAT_RGBA_8888;
1046                 break;
1047         case ARGB888:
1048                 rga_fmt = RK_FORMAT_BGRA_8888;
1049                 break;
1050         case RGB888:
1051                 rga_fmt = RK_FORMAT_RGB_888;
1052                 break;
1053         case RGB565:
1054                 rga_fmt = RK_FORMAT_RGB_565;
1055                 break;
1056         case YUV422:
1057                 rga_fmt = RK_FORMAT_YCbCr_422_SP;
1058                 break;
1059         case YUV420:
1060                 rga_fmt = RK_FORMAT_YCbCr_420_SP;
1061                 break;
1062         default:
1063                 rga_fmt = RK_FORMAT_RGBA_8888;
1064                 break;
1065         }
1066
1067         return rga_fmt;
1068 }
1069
1070 static void rga_win_check(struct rk_lcdc_win *dst_win,
1071                           struct rk_lcdc_win *src_win)
1072 {
1073         int format = 0;
1074
1075         format = get_rga_format(src_win->area[0].format);
1076         /* width and height must be even number */
1077         if (format >= RK_FORMAT_YCbCr_422_SP &&
1078             format <= RK_FORMAT_YCrCb_420_P) {
1079                 if ((src_win->area[0].xact % 2) != 0)
1080                         src_win->area[0].xact += 1;
1081                 if ((src_win->area[0].yact % 2) != 0)
1082                         src_win->area[0].yact += 1;
1083         }
1084         if (src_win->area[0].xvir < src_win->area[0].xact)
1085                 src_win->area[0].xvir = src_win->area[0].xact;
1086         if (src_win->area[0].yvir < src_win->area[0].yact)
1087                 src_win->area[0].yvir = src_win->area[0].yact;
1088
1089         format = get_rga_format(dst_win->area[0].format);
1090         if (format >= RK_FORMAT_YCbCr_422_SP &&
1091             format <= RK_FORMAT_YCrCb_420_P) {
1092                 if ((dst_win->area[0].xact % 2) != 0)
1093                         dst_win->area[0].xact += 1;
1094                 if ((dst_win->area[0].yact % 2) != 0)
1095                         dst_win->area[0].yact += 1;
1096         }
1097         if (dst_win->area[0].xvir < dst_win->area[0].xact)
1098                 dst_win->area[0].xvir = dst_win->area[0].xact;
1099         if (dst_win->area[0].yvir < dst_win->area[0].yact)
1100                 dst_win->area[0].yvir = dst_win->area[0].yact;
1101 }
1102
1103 static void win_copy_by_rga(struct rk_lcdc_win *dst_win,
1104                             struct rk_lcdc_win *src_win,
1105                             u16 orientation, int iommu_en)
1106 {
1107         struct rga_req Rga_Request;
1108         long ret = 0;
1109         /* int fd = 0; */
1110
1111         memset(&Rga_Request, 0, sizeof(Rga_Request));
1112         rga_win_check(dst_win, src_win);
1113
1114         switch (orientation) {
1115         case ROTATE_90:
1116                 Rga_Request.rotate_mode = 1;
1117                 Rga_Request.sina = 65536;
1118                 Rga_Request.cosa = 0;
1119                 Rga_Request.dst.act_w = dst_win->area[0].yact;
1120                 Rga_Request.dst.act_h = dst_win->area[0].xact;
1121                 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1122                 Rga_Request.dst.y_offset = 0;
1123                 break;
1124         case ROTATE_180:
1125                 Rga_Request.rotate_mode = 1;
1126                 Rga_Request.sina = 0;
1127                 Rga_Request.cosa = -65536;
1128                 Rga_Request.dst.act_w = dst_win->area[0].xact;
1129                 Rga_Request.dst.act_h = dst_win->area[0].yact;
1130                 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1131                 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1132                 break;
1133         case ROTATE_270:
1134                 Rga_Request.rotate_mode = 1;
1135                 Rga_Request.sina = -65536;
1136                 Rga_Request.cosa = 0;
1137                 Rga_Request.dst.act_w = dst_win->area[0].yact;
1138                 Rga_Request.dst.act_h = dst_win->area[0].xact;
1139                 Rga_Request.dst.x_offset = 0;
1140                 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1141                 break;
1142         default:
1143                 Rga_Request.rotate_mode = 0;
1144                 Rga_Request.dst.act_w = dst_win->area[0].xact;
1145                 Rga_Request.dst.act_h = dst_win->area[0].yact;
1146                 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1147                 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1148                 break;
1149         }
1150
1151 /*
1152         fd = ion_share_dma_buf_fd(rk_fb->ion_client, src_win->area[0].ion_hdl);
1153         Rga_Request.src.yrgb_addr = fd;
1154         fd = ion_share_dma_buf_fd(rk_fb->ion_client, dst_win->area[0].ion_hdl);
1155         Rga_Request.dst.yrgb_addr = fd;
1156 */
1157         Rga_Request.src.yrgb_addr = 0;
1158         Rga_Request.src.uv_addr =
1159             src_win->area[0].smem_start + src_win->area[0].y_offset;
1160         Rga_Request.src.v_addr = 0;
1161
1162         Rga_Request.dst.yrgb_addr = 0;
1163         Rga_Request.dst.uv_addr =
1164             dst_win->area[0].smem_start + dst_win->area[0].y_offset;
1165         Rga_Request.dst.v_addr = 0;
1166
1167         Rga_Request.src.vir_w = src_win->area[0].xvir;
1168         Rga_Request.src.vir_h = src_win->area[0].yvir;
1169         Rga_Request.src.format = get_rga_format(src_win->area[0].format);
1170         Rga_Request.src.act_w = src_win->area[0].xact;
1171         Rga_Request.src.act_h = src_win->area[0].yact;
1172         Rga_Request.src.x_offset = 0;
1173         Rga_Request.src.y_offset = 0;
1174
1175         Rga_Request.dst.vir_w = dst_win->area[0].xvir;
1176         Rga_Request.dst.vir_h = dst_win->area[0].yvir;
1177         Rga_Request.dst.format = get_rga_format(dst_win->area[0].format);
1178
1179         Rga_Request.clip.xmin = 0;
1180         Rga_Request.clip.xmax = dst_win->area[0].xact - 1;
1181         Rga_Request.clip.ymin = 0;
1182         Rga_Request.clip.ymax = dst_win->area[0].yact - 1;
1183         Rga_Request.scale_mode = 0;
1184 #if defined(CONFIG_ROCKCHIP_IOMMU)
1185         if (iommu_en) {
1186                 Rga_Request.mmu_info.mmu_en = 1;
1187                 Rga_Request.mmu_info.mmu_flag = 1;
1188         } else {
1189                 Rga_Request.mmu_info.mmu_en = 0;
1190                 Rga_Request.mmu_info.mmu_flag = 0;
1191         }
1192 #else
1193         Rga_Request.mmu_info.mmu_en = 0;
1194         Rga_Request.mmu_info.mmu_flag = 0;
1195 #endif
1196
1197         ret = rga_ioctl_kernel(&Rga_Request);
1198 }
1199
1200 /*
1201  * This function is used for copying fb by RGA Module
1202  * RGA only support copy RGB to RGB
1203  * RGA2 support copy RGB to RGB and YUV to YUV
1204  */
1205 static void fb_copy_by_rga(struct fb_info *dst_info,
1206                                 struct fb_info *src_info)
1207 {
1208         struct rk_fb_par *src_fb_par = (struct rk_fb_par *)src_info->par;
1209         struct rk_fb_par *dst_fb_par = (struct rk_fb_par *)dst_info->par;
1210         struct rk_lcdc_driver *dev_drv = src_fb_par->lcdc_drv;
1211         struct rk_lcdc_driver *ext_dev_drv = dst_fb_par->lcdc_drv;
1212         int win_id = 0, ext_win_id;
1213         struct rk_lcdc_win *src_win, *dst_win;
1214
1215         win_id = dev_drv->ops->fb_get_win_id(dev_drv, src_info->fix.id);
1216         src_win = dev_drv->win[win_id];
1217
1218         ext_win_id =
1219             ext_dev_drv->ops->fb_get_win_id(ext_dev_drv, dst_info->fix.id);
1220         dst_win = ext_dev_drv->win[ext_win_id];
1221
1222         win_copy_by_rga(dst_win, src_win, ext_dev_drv->rotate_mode,
1223                         ext_dev_drv->iommu_enabled);
1224 }
1225 #endif
1226
1227 static int rk_fb_rotate(struct fb_info *dst_info,
1228                           struct fb_info *src_info)
1229 {
1230
1231 #if defined(CONFIG_RK29_IPP)
1232         fb_copy_by_ipp(dst_info, src_info);
1233 #elif defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1234         fb_copy_by_rga(dst_info, src_info);
1235 #else
1236         return -1;
1237 #endif
1238         return 0;
1239 }
1240
1241 static int __maybe_unused rk_fb_win_rotate(struct rk_lcdc_win *dst_win,
1242                                             struct rk_lcdc_win *src_win,
1243                                             u16 rotate, int iommu_en)
1244 {
1245 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1246         win_copy_by_rga(dst_win, src_win, rotate, iommu_en);
1247 #else
1248         return -1;
1249 #endif
1250         return 0;
1251 }
1252
1253 #endif
1254
1255 static int rk_fb_pan_display(struct fb_var_screeninfo *var,
1256                              struct fb_info *info)
1257 {
1258         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1259         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1260         struct fb_fix_screeninfo *fix = &info->fix;
1261         int win_id = 0;
1262         struct rk_lcdc_win *win = NULL;
1263         struct rk_screen *screen = dev_drv->cur_screen;
1264         u32 xoffset = var->xoffset;
1265         u32 yoffset = var->yoffset;
1266         u32 xvir = var->xres_virtual;
1267         u8 pixel_width;
1268         u32 vir_width_bit;
1269         u32 stride, uv_stride;
1270         u32 stride_32bit_1;
1271         u32 stride_32bit_2;
1272         u16 uv_x_off, uv_y_off, uv_y_act;
1273         u8 is_pic_yuv = 0;
1274
1275         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1276         if (win_id < 0)
1277                 return -ENODEV;
1278         else
1279                 win = dev_drv->win[win_id];
1280
1281         pixel_width = rk_fb_pixel_width(win->area[0].format);
1282         vir_width_bit = pixel_width * xvir;
1283         stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
1284         stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
1285
1286         switch (win->area[0].format) {
1287         case YUV422:
1288         case YUV422_A:
1289                 is_pic_yuv = 1;
1290                 stride = stride_32bit_1;
1291                 uv_stride = stride_32bit_1 >> 1;
1292                 uv_x_off = xoffset >> 1;
1293                 uv_y_off = yoffset;
1294                 fix->line_length = stride;
1295                 uv_y_act = win->area[0].yact >> 1;
1296                 break;
1297         case YUV420:            /* nv12 */
1298         case YUV420_NV21:       /* nv21 */
1299         case YUV420_A:
1300                 is_pic_yuv = 1;
1301                 stride = stride_32bit_1;
1302                 uv_stride = stride_32bit_1;
1303                 uv_x_off = xoffset;
1304                 uv_y_off = yoffset >> 1;
1305                 fix->line_length = stride;
1306                 uv_y_act = win->area[0].yact >> 1;
1307                 break;
1308         case YUV444:
1309         case YUV444_A:
1310                 is_pic_yuv = 1;
1311                 stride = stride_32bit_1;
1312                 uv_stride = stride_32bit_2;
1313                 uv_x_off = xoffset * 2;
1314                 uv_y_off = yoffset;
1315                 fix->line_length = stride << 2;
1316                 uv_y_act = win->area[0].yact;
1317                 break;
1318         default:
1319                 stride = stride_32bit_1;        /* default rgb */
1320                 fix->line_length = stride;
1321                 break;
1322         }
1323
1324         /* x y mirror ,jump line */
1325         if ((screen->y_mirror == 1) ||
1326             (win->mirror_en == 1)) {
1327                 if (screen->interlace == 1) {
1328                         win->area[0].y_offset = yoffset * stride * 2 +
1329                             ((win->area[0].yact - 1) * 2 + 1) * stride +
1330                             xoffset * pixel_width / 8;
1331                 } else {
1332                         win->area[0].y_offset = yoffset * stride +
1333                             (win->area[0].yact - 1) * stride +
1334                             xoffset * pixel_width / 8;
1335                 }
1336         } else {
1337                 if (screen->interlace == 1) {
1338                         win->area[0].y_offset =
1339                             yoffset * stride * 2 + xoffset * pixel_width / 8;
1340                 } else {
1341                         win->area[0].y_offset =
1342                             yoffset * stride + xoffset * pixel_width / 8;
1343                 }
1344         }
1345         if (is_pic_yuv == 1) {
1346                 if ((screen->y_mirror == 1) ||
1347                     (win->mirror_en == 1)) {
1348                         if (screen->interlace == 1) {
1349                                 win->area[0].c_offset =
1350                                     uv_y_off * uv_stride * 2 +
1351                                     ((uv_y_act - 1) * 2 + 1) * uv_stride +
1352                                     uv_x_off * pixel_width / 8;
1353                         } else {
1354                                 win->area[0].c_offset = uv_y_off * uv_stride +
1355                                     (uv_y_act - 1) * uv_stride +
1356                                     uv_x_off * pixel_width / 8;
1357                         }
1358                 } else {
1359                         if (screen->interlace == 1) {
1360                                 win->area[0].c_offset =
1361                                     uv_y_off * uv_stride * 2 +
1362                                     uv_x_off * pixel_width / 8;
1363                         } else {
1364                                 win->area[0].c_offset =
1365                                     uv_y_off * uv_stride +
1366                                     uv_x_off * pixel_width / 8;
1367                         }
1368                 }
1369         }
1370
1371         win->area[0].smem_start = fix->smem_start;
1372         win->area[0].cbr_start = fix->mmio_start;
1373         win->area[0].state = 1;
1374         win->area_num = 1;
1375
1376         dev_drv->ops->pan_display(dev_drv, win_id);
1377
1378 #ifdef  CONFIG_FB_MIRRORING
1379         if (video_data_to_mirroring)
1380                 video_data_to_mirroring(info, NULL);
1381 #endif
1382         /*if not want the config effect,set reserved[3] bit[0] 1*/
1383         if (likely((var->reserved[3] & 0x1) == 0))
1384                 dev_drv->ops->cfg_done(dev_drv);
1385
1386         return 0;
1387 }
1388
1389 static int rk_fb_get_list_stat(struct rk_lcdc_driver *dev_drv)
1390 {
1391         int i, j;
1392
1393         i = list_empty(&dev_drv->update_regs_list);
1394         j = list_empty(&dev_drv->saved_list);
1395         return i == j ? 0 : 1;
1396 }
1397
1398 void rk_fd_fence_wait(struct rk_lcdc_driver *dev_drv, struct sync_fence *fence)
1399 {
1400         int err = sync_fence_wait(fence, 1000);
1401
1402         if (err >= 0)
1403                 return;
1404
1405         if (err == -ETIME)
1406                 err = sync_fence_wait(fence, 10 * MSEC_PER_SEC);
1407
1408         if (err < 0)
1409                 printk("error waiting on fence\n");
1410 }
1411 #if 0
1412 static int rk_fb_copy_from_loader(struct fb_info *info)
1413 {
1414         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1415         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1416         void *dst = info->screen_base;
1417         u32 dsp_addr[4];
1418         u32 src;
1419         u32 i,size;
1420         int win_id;
1421         struct rk_lcdc_win *win;
1422
1423         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1424         win = dev_drv->win[win_id];
1425         size = (win->area[0].xact) * (win->area[0].yact) << 2;
1426         dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1427         src = dsp_addr[win_id];
1428         dev_info(info->dev, "copy fb data %d x %d  from  dst_addr:%08x\n",
1429                  win->area[0].xact, win->area[0].yact, src);
1430         for (i = 0; i < size; i += PAGE_SIZE) {
1431                 void *page = phys_to_page(i + src);
1432                 void *from_virt = kmap(page);
1433                 void *to_virt = dst + i;
1434                 memcpy(to_virt, from_virt, PAGE_SIZE);
1435         }
1436         dev_drv->ops->direct_set_addr(dev_drv, win_id,
1437                                       info->fix.smem_start);
1438         return 0;
1439 }
1440 #endif
1441 #ifdef CONFIG_ROCKCHIP_IOMMU
1442 static int g_last_addr[4];
1443 int g_last_timeout;
1444 u32 freed_addr[10];
1445 u32 freed_index;
1446
1447 #define DUMP_CHUNK 256
1448 char buf[PAGE_SIZE];
1449
1450 int rk_fb_sysmmu_fault_handler(struct device *dev,
1451                                enum rk_iommu_inttype itype,
1452                                unsigned long pgtable_base,
1453                                unsigned long fault_addr, unsigned int status)
1454 {
1455         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
1456         int i = 0;
1457         static int page_fault_cnt;
1458         if ((page_fault_cnt++) >= 10)
1459                 return 0;
1460         pr_err
1461             ("PAGE FAULT occurred at 0x%lx (Page table base: 0x%lx),status=%d\n",
1462              fault_addr, pgtable_base, status);
1463         printk("last config addr:\n" "win0:0x%08x\n" "win1:0x%08x\n"
1464                "win2:0x%08x\n" "win3:0x%08x\n", g_last_addr[0], g_last_addr[1],
1465                g_last_addr[2], g_last_addr[3]);
1466         printk("last freed buffer:\n");
1467         for (i = 0; (freed_addr[i] != 0xfefefefe) && freed_addr[i]; i++)
1468                 printk("%d:0x%08x\n", i, freed_addr[i]);
1469         printk("last timeout:%d\n", g_last_timeout);
1470         dev_drv->ops->get_disp_info(dev_drv, buf, 0);
1471         for (i = 0; i < PAGE_SIZE; i += DUMP_CHUNK) {
1472                 if ((PAGE_SIZE - i) > DUMP_CHUNK) {
1473                         char c = buf[i + DUMP_CHUNK];
1474                         buf[i + DUMP_CHUNK] = 0;
1475                         pr_cont("%s", buf + i);
1476                         buf[i + DUMP_CHUNK] = c;
1477                 } else {
1478                         buf[PAGE_SIZE - 1] = 0;
1479                         pr_cont("%s", buf + i);
1480                 }
1481         }
1482
1483         return 0;
1484 }
1485 #endif
1486
1487 void rk_fb_free_dma_buf(struct rk_lcdc_driver *dev_drv,
1488                         struct rk_fb_reg_win_data *reg_win_data)
1489 {
1490         int i, index_buf;
1491         struct rk_fb_reg_area_data *area_data;
1492         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1493
1494         for (i = 0; i < reg_win_data->area_num; i++) {
1495                 area_data = &reg_win_data->reg_area_data[i];
1496                 index_buf = area_data->index_buf;
1497 #if defined(CONFIG_ROCKCHIP_IOMMU)
1498                 if (dev_drv->iommu_enabled) {
1499                         if ((rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
1500                              (area_data->ion_handle != NULL))
1501                                 ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client,
1502                                                 area_data->ion_handle);
1503                         freed_addr[freed_index++] = area_data->smem_start;
1504                 }
1505 #endif
1506                 if (area_data->ion_handle != NULL)
1507                         ion_free(rk_fb->ion_client, area_data->ion_handle);
1508
1509                 if (area_data->acq_fence)
1510                         sync_fence_put(area_data->acq_fence);
1511         }
1512         memset(reg_win_data, 0, sizeof(struct rk_fb_reg_win_data));
1513 }
1514
1515 static void rk_fb_update_win(struct rk_lcdc_driver *dev_drv,
1516                                 struct rk_lcdc_win *win,
1517                                 struct rk_fb_reg_win_data *reg_win_data)
1518 {
1519         int i = 0;
1520         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
1521         struct rk_screen *cur_screen;
1522         struct rk_screen primary_screen;
1523
1524         if (unlikely(!inf) || unlikely(!dev_drv) ||
1525             unlikely(!win) || unlikely(!reg_win_data))
1526                 return;
1527
1528         cur_screen = dev_drv->cur_screen;
1529         rk_fb_get_prmry_screen(&primary_screen);
1530
1531         win->area_num = reg_win_data->area_num;
1532         win->id = reg_win_data->win_id;
1533         win->z_order = reg_win_data->z_order;
1534
1535         if (reg_win_data->reg_area_data[0].smem_start > 0) {
1536                 win->state = 1;
1537                 win->area_num = reg_win_data->area_num;
1538                 win->id = reg_win_data->win_id;
1539                 win->z_order = reg_win_data->z_order;
1540                 win->area[0].uv_vir_stride =
1541                     reg_win_data->reg_area_data[0].uv_vir_stride;
1542                 win->area[0].cbr_start =
1543                     reg_win_data->reg_area_data[0].cbr_start;
1544                 win->area[0].c_offset = reg_win_data->reg_area_data[0].c_offset;
1545                 win->alpha_en = reg_win_data->alpha_en;
1546                 win->alpha_mode = reg_win_data->alpha_mode;
1547                 win->g_alpha_val = reg_win_data->g_alpha_val;
1548                 win->mirror_en = reg_win_data->mirror_en;
1549                 win->area[0].fbdc_en =
1550                         reg_win_data->reg_area_data[0].fbdc_en;
1551                 win->area[0].fbdc_cor_en =
1552                         reg_win_data->reg_area_data[0].fbdc_cor_en;
1553                 win->area[0].fbdc_data_format =
1554                         reg_win_data->reg_area_data[0].fbdc_data_format;
1555                 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
1556                         if (reg_win_data->reg_area_data[i].smem_start > 0) {
1557                                 win->area[i].format =
1558                                         reg_win_data->reg_area_data[i].data_format;
1559                                 if (inf->disp_policy != DISPLAY_POLICY_BOX)
1560                                         win->area[i].ion_hdl =
1561                                         reg_win_data->reg_area_data[i].ion_handle;
1562                                 win->area[i].smem_start =
1563                                         reg_win_data->reg_area_data[i].smem_start;
1564                                 if (inf->disp_mode == DUAL ||
1565                                     inf->disp_mode == NO_DUAL ||
1566                                     inf->disp_policy == DISPLAY_POLICY_BOX) {
1567                                         win->area[i].xpos =
1568                                                 reg_win_data->reg_area_data[i].xpos;
1569                                         win->area[i].ypos =
1570                                                 reg_win_data->reg_area_data[i].ypos;
1571                                         win->area[i].xsize =
1572                                                 reg_win_data->reg_area_data[i].xsize;
1573                                         win->area[i].ysize =
1574                                                 reg_win_data->reg_area_data[i].ysize;
1575                                 } else {
1576                                         win->area[i].xpos =
1577                                                 reg_win_data->reg_area_data[i].xpos *
1578                                                 cur_screen->mode.xres /
1579                                                 primary_screen.mode.xres;
1580                                         win->area[i].ypos =
1581                                                 reg_win_data->reg_area_data[i].ypos *
1582                                                 cur_screen->mode.yres /
1583                                                 primary_screen.mode.yres;
1584                                         win->area[i].xsize =
1585                                                 reg_win_data->reg_area_data[i].xsize *
1586                                                 cur_screen->mode.xres /
1587                                                 primary_screen.mode.xres;
1588                                         win->area[i].ysize =
1589                                                 reg_win_data->reg_area_data[i].ysize *
1590                                                 cur_screen->mode.yres /
1591                                                 primary_screen.mode.yres;
1592
1593                                         /* recalc display size if set hdmi scaler when at ONE_DUAL mode */
1594                                         if (inf->disp_mode == ONE_DUAL && hdmi_switch_complete) {
1595                                                 if (cur_screen->xsize > 0 &&
1596                                                     cur_screen->xsize <= cur_screen->mode.xres) {
1597                                                         win->area[i].xpos =
1598                                                                 ((cur_screen->mode.xres - cur_screen->xsize) >> 1) +
1599                                                                 cur_screen->xsize * win->area[i].xpos / cur_screen->mode.xres;
1600                                                         win->area[i].xsize =
1601                                                                 win->area[i].xsize * cur_screen->xsize / cur_screen->mode.xres;
1602                                                 }
1603                                                 if (cur_screen->ysize > 0 && cur_screen->ysize <= cur_screen->mode.yres) {
1604                                                         win->area[i].ypos =
1605                                                                 ((cur_screen->mode.yres - cur_screen->ysize) >> 1) +
1606                                                                 cur_screen->ysize * win->area[i].ypos / cur_screen->mode.yres;
1607                                                         win->area[i].ysize =
1608                                                                 win->area[i].ysize * cur_screen->ysize / cur_screen->mode.yres;
1609                                                 }
1610                                         }
1611                                 }
1612                                 win->area[i].xact =
1613                                     reg_win_data->reg_area_data[i].xact;
1614                                 win->area[i].yact =
1615                                     reg_win_data->reg_area_data[i].yact;
1616                                 win->area[i].xvir =
1617                                     reg_win_data->reg_area_data[i].xvir;
1618                                 win->area[i].yvir =
1619                                     reg_win_data->reg_area_data[i].yvir;
1620                                 win->area[i].xoff =
1621                                     reg_win_data->reg_area_data[i].xoff;
1622                                 win->area[i].yoff =
1623                                     reg_win_data->reg_area_data[i].yoff;
1624                                 win->area[i].y_offset =
1625                                     reg_win_data->reg_area_data[i].y_offset;
1626                                 win->area[i].y_vir_stride =
1627                                     reg_win_data->reg_area_data[i].y_vir_stride;
1628                                 win->area[i].state = 1;
1629                         } else {
1630                                 win->area[i].state = 0;
1631                         }
1632                 }
1633         } else {
1634         /*
1635                 win->state = 0;
1636                 win->z_order = -1;
1637         */
1638         }
1639 }
1640
1641 static struct rk_fb_reg_win_data *rk_fb_get_win_data(struct rk_fb_reg_data
1642                                                      *regs, int win_id)
1643 {
1644         int i;
1645         struct rk_fb_reg_win_data *win_data = NULL;
1646         for (i = 0; i < regs->win_num; i++) {
1647                 if (regs->reg_win_data[i].win_id == win_id) {
1648                         win_data = &(regs->reg_win_data[i]);
1649                         break;
1650                 }
1651         }
1652
1653         return win_data;
1654 }
1655
1656 static void rk_fb_update_reg(struct rk_lcdc_driver *dev_drv,
1657                              struct rk_fb_reg_data *regs)
1658 {
1659         int i, j;
1660         struct rk_lcdc_win *win;
1661         ktime_t timestamp = dev_drv->vsync_info.timestamp;
1662         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1663         struct rk_fb_reg_win_data *win_data;
1664         bool wait_for_vsync;
1665         int count = 100;
1666         unsigned int dsp_addr[4];
1667         long timeout;
1668         int win_status = 0;
1669
1670         /* acq_fence wait */
1671         for (i = 0; i < regs->win_num; i++) {
1672                 win_data = &regs->reg_win_data[i];
1673                 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1674                         if (win_data->reg_area_data[j].acq_fence) {
1675                                 /* printk("acq_fence wait!!!!!\n"); */
1676                                 rk_fd_fence_wait(dev_drv, win_data->reg_area_data[j].acq_fence);
1677                         }
1678                 }
1679         }
1680
1681         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1682                 win = dev_drv->win[i];
1683                 win_data = rk_fb_get_win_data(regs, i);
1684                 if (win_data) {
1685                         if (rk_fb->disp_policy == DISPLAY_POLICY_BOX &&
1686                             (win_data->reg_area_data[0].data_format == YUV420 ||
1687                              win_data->reg_area_data[0].data_format == YUV420_NV21 ||
1688                              win_data->reg_area_data[0].data_format == YUV420_A))
1689                                 continue;
1690                         mutex_lock(&dev_drv->win_config);
1691                         rk_fb_update_win(dev_drv, win, win_data);
1692                         win->state = 1;
1693                         dev_drv->ops->set_par(dev_drv, i);
1694                         dev_drv->ops->pan_display(dev_drv, i);
1695                         mutex_unlock(&dev_drv->win_config);
1696 #if defined(CONFIG_ROCKCHIP_IOMMU)
1697                         if (dev_drv->iommu_enabled) {
1698                                 g_last_addr[i] = win_data->reg_area_data[0].smem_start +
1699                                         win_data->reg_area_data[0].y_offset;
1700                         }
1701 #endif
1702                 } else {
1703                         win->z_order = -1;
1704                         win->state = 0;
1705                 }
1706         }
1707         dev_drv->ops->ovl_mgr(dev_drv, 0, 1);
1708         dev_drv->ops->cfg_done(dev_drv);
1709
1710         do {
1711                 timestamp = dev_drv->vsync_info.timestamp;
1712                 timeout = wait_event_interruptible_timeout(dev_drv->vsync_info.wait,
1713                                 ktime_compare(dev_drv->vsync_info.timestamp, timestamp) > 0,
1714                                 msecs_to_jiffies(25));
1715
1716                 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1717                 wait_for_vsync = false;
1718                 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1719                         if (rk_fb->disp_policy == DISPLAY_POLICY_BOX &&
1720                             (!strcmp(dev_drv->win[i]->name, "hwc")))
1721                                 continue;
1722                         if (dev_drv->win[i]->state == 1) {
1723                                 u32 new_start =
1724                                     dev_drv->win[i]->area[0].smem_start +
1725                                     dev_drv->win[i]->area[0].y_offset;
1726                                 u32 reg_start = dsp_addr[i];
1727
1728                                 if ((rk_fb->disp_policy ==
1729                                      DISPLAY_POLICY_BOX) &&
1730                                     (dev_drv->suspend_flag))
1731                                         continue;
1732                                 if (unlikely(new_start != reg_start)) {
1733                                         wait_for_vsync = true;
1734                                         dev_info(dev_drv->dev,
1735                                                "win%d:new_addr:0x%08x cur_addr:0x%08x--%d\n",
1736                                                i, new_start, reg_start, 101 - count);
1737                                         break;
1738                                 }
1739                         } else if (dev_drv->win[i]->state == 0) {
1740                                 if (dev_drv->ops->get_win_state) {
1741                                         win_status =
1742                                         dev_drv->ops->get_win_state(dev_drv, i);
1743                                         if (win_status)
1744                                                wait_for_vsync = true;
1745                                 }
1746                         } else {
1747                                 pr_err("!!!win[%d]state:%d,error!!!\n",
1748                                         i, dev_drv->win[i]->state);
1749                         }
1750                 }
1751         } while (wait_for_vsync && count--);
1752 #ifdef H_USE_FENCE
1753         sw_sync_timeline_inc(dev_drv->timeline, 1);
1754 #endif
1755         if (dev_drv->front_regs) {
1756 #if defined(CONFIG_ROCKCHIP_IOMMU)
1757                 if (dev_drv->iommu_enabled) {
1758                         if (dev_drv->ops->mmu_en)
1759                                 dev_drv->ops->mmu_en(dev_drv);
1760                         freed_index = 0;
1761                         g_last_timeout = timeout;
1762                 }
1763 #endif
1764
1765                 mutex_lock(&dev_drv->front_lock);
1766
1767                 for (i = 0; i < dev_drv->front_regs->win_num; i++) {
1768                         win_data = &dev_drv->front_regs->reg_win_data[i];
1769                         rk_fb_free_dma_buf(dev_drv, win_data);
1770                 }
1771                 kfree(dev_drv->front_regs);
1772
1773                 mutex_unlock(&dev_drv->front_lock);
1774
1775 #if defined(CONFIG_ROCKCHIP_IOMMU)
1776                 if (dev_drv->iommu_enabled)
1777                         freed_addr[freed_index] = 0xfefefefe;
1778 #endif
1779         }
1780
1781         mutex_lock(&dev_drv->front_lock);
1782
1783         dev_drv->front_regs = regs;
1784
1785         mutex_unlock(&dev_drv->front_lock);
1786 }
1787
1788 static void rk_fb_update_regs_handler(struct kthread_work *work)
1789 {
1790         struct rk_lcdc_driver *dev_drv =
1791             container_of(work, struct rk_lcdc_driver, update_regs_work);
1792         struct rk_fb_reg_data *data, *next;
1793
1794         mutex_lock(&dev_drv->update_regs_list_lock);
1795         dev_drv->saved_list = dev_drv->update_regs_list;
1796         list_replace_init(&dev_drv->update_regs_list, &dev_drv->saved_list);
1797         mutex_unlock(&dev_drv->update_regs_list_lock);
1798
1799         list_for_each_entry_safe(data, next, &dev_drv->saved_list, list) {
1800                 rk_fb_update_reg(dev_drv, data);
1801                 list_del(&data->list);
1802         }
1803
1804         if (dev_drv->wait_fs && list_empty(&dev_drv->update_regs_list))
1805                 wake_up(&dev_drv->update_regs_wait);
1806 }
1807
1808 static int rk_fb_check_config_var(struct rk_fb_area_par *area_par,
1809                                   struct rk_screen *screen)
1810 {
1811         if ((area_par->x_offset + area_par->xact > area_par->xvir) ||
1812             (area_par->xact <= 0) || (area_par->yact <= 0) ||
1813             (area_par->xvir <= 0) || (area_par->yvir <= 0)) {
1814                 pr_err("check config var fail 0:\n"
1815                        "x_offset=%d,xact=%d,xvir=%d\n",
1816                        area_par->x_offset, area_par->xact, area_par->xvir);
1817                 return -EINVAL;
1818         }
1819
1820         if ((area_par->xpos + area_par->xsize > screen->mode.xres) ||
1821             (area_par->ypos + area_par->ysize > screen->mode.yres) ||
1822             (area_par->xsize <= 0) || (area_par->ysize <= 0)) {
1823                 pr_warn("check config var fail 1:\n"
1824                        "xpos=%d,xsize=%d,xres=%d\n"
1825                        "ypos=%d,ysize=%d,yres=%d\n",
1826                        area_par->xpos, area_par->xsize, screen->mode.xres,
1827                        area_par->ypos, area_par->ysize, screen->mode.yres);
1828                 return -EINVAL;
1829         }
1830         return 0;
1831 }
1832
1833 static int rk_fb_set_win_buffer(struct fb_info *info,
1834                                 struct rk_fb_win_par *win_par,
1835                                 struct rk_fb_reg_win_data *reg_win_data)
1836 {
1837         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
1838         struct fb_fix_screeninfo *fix = &info->fix;
1839         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1840         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1841         /*if hdmi size move to hwc,screen should point to cur_screen
1842           otherwise point to screen0[main screen]*/
1843         struct rk_screen *screen = dev_drv->cur_screen;/*screen0;*/
1844         struct fb_info *fbi;
1845         int i, ion_fd, acq_fence_fd;
1846         u32 xvir, yvir;
1847         u32 xoffset, yoffset;
1848
1849         struct ion_handle *hdl;
1850         size_t len;
1851         int index_buf;
1852         u8 fb_data_fmt;
1853         u8 pixel_width;
1854         u32 vir_width_bit;
1855         u32 stride, uv_stride;
1856         u32 stride_32bit_1;
1857         u32 stride_32bit_2;
1858         u16 uv_x_off, uv_y_off, uv_y_act;
1859         u8 is_pic_yuv = 0;
1860         u8 ppixel_a = 0, global_a = 0;
1861         ion_phys_addr_t phy_addr;
1862         int ret = 0;
1863         int buff_len;
1864
1865         reg_win_data->reg_area_data[0].smem_start = -1;
1866         reg_win_data->area_num = 0;
1867         fbi = rk_fb->fb[reg_win_data->win_id];
1868         if (win_par->area_par[0].phy_addr == 0) {
1869                 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
1870                         ion_fd = win_par->area_par[i].ion_fd;
1871                         if (ion_fd > 0) {
1872                                 hdl =
1873                                     ion_import_dma_buf(rk_fb->ion_client,
1874                                                        ion_fd);
1875                                 if (IS_ERR(hdl)) {
1876                                         pr_info("%s: Could not import handle:"
1877                                                 " %ld\n", __func__, (long)hdl);
1878                                         /*return -EINVAL; */
1879                                         break;
1880                                 }
1881                                 reg_win_data->area_num++;
1882                                 reg_win_data->reg_area_data[i].ion_handle = hdl;
1883 #ifndef CONFIG_ROCKCHIP_IOMMU
1884                                 ret = ion_phys(rk_fb->ion_client, hdl, &phy_addr,
1885                                                 &len);
1886 #else
1887                                 if (dev_drv->iommu_enabled)
1888                                         ret = ion_map_iommu(dev_drv->dev,
1889                                                                 rk_fb->ion_client,
1890                                                                 hdl,
1891                                                                 (unsigned long *)&phy_addr,
1892                                                                 (unsigned long *)&len);
1893                                 else
1894                                         ret = ion_phys(rk_fb->ion_client, hdl,
1895                                                         &phy_addr, &len);
1896 #endif
1897                                 if (ret < 0) {
1898                                         dev_err(fbi->dev, "ion map to get phy addr failed\n");
1899                                         ion_free(rk_fb->ion_client, hdl);
1900                                         return -ENOMEM;
1901                                 }
1902                                 reg_win_data->reg_area_data[i].smem_start = phy_addr;
1903                                 reg_win_data->area_buf_num++;
1904                                 reg_win_data->reg_area_data[i].index_buf = 1;
1905                                 reg_win_data->reg_area_data[i].buff_len = len;
1906                         }
1907                 }
1908         } else {
1909                 reg_win_data->reg_area_data[0].smem_start =
1910                     win_par->area_par[0].phy_addr;
1911                 reg_win_data->area_num = 1;
1912                 reg_win_data->area_buf_num++;
1913                 fbi->screen_base = phys_to_virt(win_par->area_par[0].phy_addr);
1914         }
1915
1916         if (reg_win_data->area_num == 0)
1917                 return 0;
1918
1919         for (i = 0; i < reg_win_data->area_num; i++) {
1920                 acq_fence_fd = win_par->area_par[i].acq_fence_fd;
1921                 index_buf = reg_win_data->reg_area_data[i].index_buf;
1922                 if ((acq_fence_fd > 0) && (index_buf == 1)) {
1923                         reg_win_data->reg_area_data[i].acq_fence =
1924                             sync_fence_fdget(win_par->area_par[i].acq_fence_fd);
1925                 }
1926         }
1927         if (reg_win_data->reg_area_data[0].smem_start > 0) {
1928                 reg_win_data->z_order = win_par->z_order;
1929                 reg_win_data->win_id = win_par->win_id;
1930         } else {
1931                 reg_win_data->z_order = -1;
1932                 reg_win_data->win_id = -1;
1933         }
1934
1935         reg_win_data->mirror_en = win_par->mirror_en;
1936         for (i = 0; i < reg_win_data->area_num; i++) {
1937                 rk_fb_check_config_var(&win_par->area_par[i], screen);
1938
1939                 fb_data_fmt = rk_fb_data_fmt(win_par->area_par[i].data_format, 0);
1940                 reg_win_data->reg_area_data[i].data_format = fb_data_fmt;
1941                 if (fb_data_fmt >= FBDC_RGB_565) {
1942                         reg_win_data->reg_area_data[i].fbdc_en = 1;
1943                         reg_win_data->reg_area_data[i].fbdc_cor_en = 1;
1944                 } else {
1945                         reg_win_data->reg_area_data[i].fbdc_en = 0;
1946                         reg_win_data->reg_area_data[i].fbdc_cor_en = 0;
1947                 }
1948                 pixel_width = rk_fb_pixel_width(fb_data_fmt);
1949
1950                 ppixel_a |= ((fb_data_fmt == ARGB888) ||
1951                              (fb_data_fmt == FBDC_ARGB_888) ||
1952                              (fb_data_fmt == FBDC_ABGR_888) ||
1953                              (fb_data_fmt == ABGR888)) ? 1 : 0;
1954                 /* visiable pos in panel */
1955                 reg_win_data->reg_area_data[i].xpos = win_par->area_par[i].xpos;
1956                 reg_win_data->reg_area_data[i].ypos = win_par->area_par[i].ypos;
1957
1958                 /* realy size in panel */
1959                 reg_win_data->reg_area_data[i].xsize = win_par->area_par[i].xsize;
1960                 reg_win_data->reg_area_data[i].ysize = win_par->area_par[i].ysize;
1961
1962                 /* realy size in panel */
1963                 reg_win_data->reg_area_data[i].xact = win_par->area_par[i].xact;
1964                 reg_win_data->reg_area_data[i].yact = win_par->area_par[i].yact;
1965
1966                 xoffset = win_par->area_par[i].x_offset;        /* buf offset */
1967                 yoffset = win_par->area_par[i].y_offset;
1968                 reg_win_data->reg_area_data[i].xoff = xoffset;
1969                 reg_win_data->reg_area_data[i].yoff = yoffset;
1970
1971                 xvir = win_par->area_par[i].xvir;
1972                 reg_win_data->reg_area_data[i].xvir = xvir;
1973                 yvir = win_par->area_par[i].yvir;
1974                 reg_win_data->reg_area_data[i].yvir = yvir;
1975
1976                 vir_width_bit = pixel_width * xvir;
1977                 /* pixel_width = byte_num*8 */
1978                 stride_32bit_1 = ((vir_width_bit + 31) & (~31)) / 8;
1979                 stride_32bit_2 = ((vir_width_bit * 2 + 31) & (~31)) / 8;
1980
1981                 stride = stride_32bit_1;        /* default rgb */
1982                 fix->line_length = stride;
1983                 reg_win_data->reg_area_data[i].y_vir_stride = stride >> 2;
1984
1985                 /* x y mirror ,jump line
1986                  * reg_win_data->reg_area_data[i].y_offset =
1987                  *              yoffset*stride+xoffset*pixel_width/8;
1988                  */
1989                 if ((screen->y_mirror == 1) || (reg_win_data->mirror_en)) {
1990                         if (screen->interlace == 1) {
1991                                 reg_win_data->reg_area_data[i].y_offset =
1992                                     yoffset * stride * 2 +
1993                                     ((reg_win_data->reg_area_data[i].yact - 1) * 2 + 1) * stride +
1994                                     xoffset * pixel_width / 8;
1995                         } else {
1996                                 reg_win_data->reg_area_data[i].y_offset =
1997                                     yoffset * stride +
1998                                     (reg_win_data->reg_area_data[i].yact - 1) * stride +
1999                                     xoffset * pixel_width / 8;
2000                         }
2001                 } else {
2002                         if (screen->interlace == 1) {
2003                                 reg_win_data->reg_area_data[i].y_offset =
2004                                     yoffset * stride * 2 +
2005                                     xoffset * pixel_width / 8;
2006                         } else {
2007                                 reg_win_data->reg_area_data[i].y_offset =
2008                                     yoffset * stride +
2009                                     xoffset * pixel_width / 8;
2010                         }
2011                 }
2012                 if ((fb_data_fmt != YUV420) &&
2013                     (fb_data_fmt != YUV420_NV21) &&
2014                     (fb_data_fmt != YUV422) &&
2015                     (fb_data_fmt != YUV444) &&
2016                     dev_drv->iommu_enabled) {
2017                         buff_len = reg_win_data->reg_area_data[i].y_offset +
2018                                 reg_win_data->reg_area_data[i].xvir *
2019                                 reg_win_data->reg_area_data[i].yact *
2020                                 pixel_width / 8 -
2021                                 reg_win_data->reg_area_data[i].xoff*
2022                                 pixel_width / 8;
2023                         if (buff_len > reg_win_data->reg_area_data[i].buff_len)
2024                                 pr_err("\n!!!!!!error: fmt=%d,xvir[%d]*"
2025                                        "yact[%d]*bpp[%d]"
2026                                        "=buff_len[0x%x]>>mmu len=0x%x\n",
2027                                        fb_data_fmt,
2028                                        reg_win_data->reg_area_data[i].xvir,
2029                                        reg_win_data->reg_area_data[i].yact,
2030                                        pixel_width, buff_len,
2031                                        reg_win_data->reg_area_data[i].buff_len);
2032                 }
2033         }
2034
2035         global_a = (win_par->g_alpha_val == 0) ? 0 : 1;
2036         reg_win_data->alpha_en = ppixel_a | global_a;
2037         reg_win_data->g_alpha_val = win_par->g_alpha_val;
2038         reg_win_data->alpha_mode = win_par->alpha_mode;
2039
2040         switch (fb_data_fmt) {
2041         case YUV422:
2042         case YUV422_A:
2043                 is_pic_yuv = 1;
2044                 stride = stride_32bit_1;
2045                 uv_stride = stride_32bit_1 >> 1;
2046                 uv_x_off = xoffset >> 1;
2047                 uv_y_off = yoffset;
2048                 fix->line_length = stride;
2049                 uv_y_act = win_par->area_par[0].yact >> 1;
2050                 break;
2051         case YUV420:            /* nv12 */
2052         case YUV420_NV21:       /* nv21 */
2053         case YUV420_A:
2054                 is_pic_yuv = 1;
2055                 stride = stride_32bit_1;
2056                 uv_stride = stride_32bit_1;
2057                 uv_x_off = xoffset;
2058                 uv_y_off = yoffset >> 1;
2059                 fix->line_length = stride;
2060                 uv_y_act = win_par->area_par[0].yact >> 1;
2061                 break;
2062         case YUV444:
2063         case YUV444_A:
2064                 is_pic_yuv = 1;
2065                 stride = stride_32bit_1;
2066                 uv_stride = stride_32bit_2;
2067                 uv_x_off = xoffset * 2;
2068                 uv_y_off = yoffset;
2069                 fix->line_length = stride << 2;
2070                 uv_y_act = win_par->area_par[0].yact;
2071                 break;
2072         default:
2073                 break;
2074         }
2075         if (is_pic_yuv == 1) {
2076                 reg_win_data->reg_area_data[0].cbr_start =
2077                     reg_win_data->reg_area_data[0].smem_start + xvir * yvir;
2078                 reg_win_data->reg_area_data[0].uv_vir_stride = uv_stride >> 2;
2079                 if ((screen->y_mirror == 1) || (reg_win_data->mirror_en)) {
2080                         if (screen->interlace == 1) {
2081                                 reg_win_data->reg_area_data[0].c_offset =
2082                                     uv_y_off * uv_stride * 2 +
2083                                     ((uv_y_act - 1) * 2 + 1) * uv_stride +
2084                                     uv_x_off * pixel_width / 8;
2085                         } else {
2086                                 reg_win_data->reg_area_data[0].c_offset =
2087                                     uv_y_off * uv_stride +
2088                                     (uv_y_act - 1) * uv_stride +
2089                                     uv_x_off * pixel_width / 8;
2090                         }
2091                 } else {
2092                         if (screen->interlace == 1) {
2093                                 reg_win_data->reg_area_data[0].c_offset =
2094                                     uv_y_off * uv_stride * 2 +
2095                                     uv_x_off * pixel_width / 8;
2096                         } else {
2097                                 reg_win_data->reg_area_data[0].c_offset =
2098                                     uv_y_off * uv_stride +
2099                                     uv_x_off * pixel_width / 8;
2100                         }
2101                 }
2102                 buff_len = reg_win_data->reg_area_data[0].cbr_start +
2103                         reg_win_data->reg_area_data[0].c_offset +
2104                         reg_win_data->reg_area_data[0].xvir *
2105                         reg_win_data->reg_area_data[0].yact *
2106                         pixel_width / 16 -
2107                         reg_win_data->reg_area_data[0].smem_start -
2108                         reg_win_data->reg_area_data[0].xoff*
2109                         pixel_width / 16 ;
2110                 if ((buff_len > reg_win_data->reg_area_data[0].buff_len) &&
2111                      dev_drv->iommu_enabled)
2112                         pr_err("\n!!!!!!error: fmt=%d,xvir[%d]*"
2113                                "yact[%d]*bpp[%d]"
2114                                "=buff_len[0x%x]>>mmu len=0x%x\n",
2115                                fb_data_fmt,
2116                                reg_win_data->reg_area_data[0].xvir,
2117                                reg_win_data->reg_area_data[0].yact,
2118                                pixel_width, buff_len,
2119                                reg_win_data->reg_area_data[0].buff_len);
2120         }
2121
2122         /* record buffer information for rk_fb_disp_scale to prevent fence timeout
2123          * because rk_fb_disp_scale will call function info->fbops->fb_set_par(info);
2124          */
2125         info->var.yoffset = yoffset;
2126         info->var.xoffset = xoffset;
2127         return 0;
2128 }
2129
2130 static int rk_fb_set_win_config(struct fb_info *info,
2131                                 struct rk_fb_win_cfg_data *win_data)
2132 {
2133         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2134         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2135         struct rk_fb_reg_data *regs;
2136 #ifdef H_USE_FENCE
2137         struct sync_fence *release_fence[RK_MAX_BUF_NUM];
2138         struct sync_fence *retire_fence;
2139         struct sync_pt *release_sync_pt[RK_MAX_BUF_NUM];
2140         struct sync_pt *retire_sync_pt;
2141         char fence_name[20];
2142 #endif
2143         int ret = 0, i, j = 0;
2144         int list_is_empty = 0;
2145
2146         if (dev_drv->suspend_flag) {
2147                 dev_drv->timeline_max++;
2148                 sw_sync_timeline_inc(dev_drv->timeline, 1);
2149                 return 0;
2150         }
2151
2152         regs = kzalloc(sizeof(struct rk_fb_reg_data), GFP_KERNEL);
2153         if (!regs) {
2154                 printk(KERN_INFO "could not allocate rk_fb_reg_data\n");
2155                 ret = -ENOMEM;
2156                 return ret;
2157         }
2158
2159 /*
2160         regs->post_cfg.xpos = win_data->post_cfg.xpos;
2161         regs->post_cfg.ypos = win_data->post_cfg.ypos;
2162         regs->post_cfg.xsize = win_data->post_cfg.xsize;
2163         regs->post_cfg.ysize = win_data->post_cfg.xsize;
2164 */
2165
2166         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
2167                 if (win_data->win_par[i].win_id < dev_drv->lcdc_win_num) {
2168                         if (rk_fb_set_win_buffer(info, &win_data->win_par[i],
2169                                                         &regs->reg_win_data[j]))
2170                                 return -ENOMEM;
2171                         if (regs->reg_win_data[j].area_num > 0) {
2172                                 regs->win_num++;
2173                                 regs->buf_num +=
2174                                     regs->reg_win_data[j].area_buf_num;
2175                         }
2176                         j++;
2177                 } else {
2178                         printk(KERN_INFO "error:win_id bigger than lcdc_win_num\n");
2179                         printk(KERN_INFO "i=%d,win_id=%d\n", i,
2180                                win_data->win_par[i].win_id);
2181                 }
2182         }
2183
2184         mutex_lock(&dev_drv->output_lock);
2185
2186         dev_drv->timeline_max++;
2187 #ifdef H_USE_FENCE
2188         for (i = 0; i < RK_MAX_BUF_NUM; i++) {
2189                 if (i < regs->buf_num) {
2190                         sprintf(fence_name, "fence%d", i);
2191                         win_data->rel_fence_fd[i] = get_unused_fd();
2192                         if (win_data->rel_fence_fd[i] < 0) {
2193                                 printk(KERN_INFO "rel_fence_fd=%d\n",
2194                                        win_data->rel_fence_fd[i]);
2195                                 ret = -EFAULT;
2196                                 goto err;
2197                         }
2198                         release_sync_pt[i] =
2199                             sw_sync_pt_create(dev_drv->timeline,
2200                                               dev_drv->timeline_max);
2201                         release_fence[i] =
2202                             sync_fence_create(fence_name, release_sync_pt[i]);
2203                         sync_fence_install(release_fence[i],
2204                                            win_data->rel_fence_fd[i]);
2205                 } else {
2206                         win_data->rel_fence_fd[i] = -1;
2207                 }
2208         }
2209
2210         win_data->ret_fence_fd = get_unused_fd();
2211         if (win_data->ret_fence_fd < 0) {
2212                 printk("ret_fence_fd=%d\n", win_data->ret_fence_fd);
2213                 win_data->ret_fence_fd = -1;
2214                 ret = -EFAULT;
2215                 goto err;
2216         }
2217         retire_sync_pt =
2218             sw_sync_pt_create(dev_drv->timeline, dev_drv->timeline_max);
2219         retire_fence = sync_fence_create("ret_fence", retire_sync_pt);
2220         sync_fence_install(retire_fence, win_data->ret_fence_fd);
2221 #else
2222         for (i = 0; i < RK_MAX_BUF_NUM; i++)
2223                 win_data->rel_fence_fd[i] = -1;
2224
2225         win_data->ret_fence_fd = -1;
2226 #endif
2227         if (dev_drv->wait_fs == 0) {
2228                 mutex_lock(&dev_drv->update_regs_list_lock);
2229                 list_add_tail(&regs->list, &dev_drv->update_regs_list);
2230                 mutex_unlock(&dev_drv->update_regs_list_lock);
2231                 queue_kthread_work(&dev_drv->update_regs_worker,
2232                                    &dev_drv->update_regs_work);
2233         } else {
2234                 mutex_lock(&dev_drv->update_regs_list_lock);
2235                 list_is_empty = list_empty(&dev_drv->update_regs_list) &&
2236                                         list_empty(&dev_drv->saved_list);
2237                 mutex_unlock(&dev_drv->update_regs_list_lock);
2238                 if (!list_is_empty) {
2239                         ret = wait_event_timeout(dev_drv->update_regs_wait,
2240                                 list_empty(&dev_drv->update_regs_list) && list_empty(&dev_drv->saved_list),
2241                                 msecs_to_jiffies(60));
2242                         if (ret > 0)
2243                                 rk_fb_update_reg(dev_drv, regs);
2244                         else
2245                                 printk("%s: wait update_regs_wait timeout\n", __func__);
2246                 } else if (ret == 0) {
2247                         rk_fb_update_reg(dev_drv, regs);
2248                 }
2249         }
2250
2251 err:
2252         mutex_unlock(&dev_drv->output_lock);
2253         return ret;
2254 }
2255
2256 #if 1
2257 static int cfgdone_distlist[10] = { 0 };
2258
2259 static int cfgdone_index;
2260 static int cfgdone_lasttime;
2261
2262 int rk_get_real_fps(int before)
2263 {
2264         struct timespec now;
2265         int dist_curr;
2266         int dist_total = 0;
2267         int dist_count = 0;
2268         int dist_first = 0;
2269
2270         int index = cfgdone_index;
2271         int i = 0, fps = 0;
2272         int total;
2273
2274         if (before > 100)
2275                 before = 100;
2276         if (before < 0)
2277                 before = 0;
2278
2279         getnstimeofday(&now);
2280         dist_curr = (now.tv_sec * 1000000 + now.tv_nsec / 1000) -
2281                         cfgdone_lasttime;
2282         total = dist_curr;
2283         /*
2284            printk("fps: ");
2285          */
2286         for (i = 0; i < 10; i++) {
2287                 if (--index < 0)
2288                         index = 9;
2289                 total += cfgdone_distlist[index];
2290                 if (i == 0)
2291                         dist_first = cfgdone_distlist[index];
2292                 if (total < (before * 1000)) {
2293                         /*
2294                            printk("[%d:%d] ", dist_count, cfgdone_distlist[index]);
2295                          */
2296                         dist_total += cfgdone_distlist[index];
2297                         dist_count++;
2298                 } else {
2299                         break;
2300                 }
2301         }
2302
2303         /*
2304            printk("total %d, count %d, curr %d, ", dist_total, dist_count, dist_curr);
2305          */
2306         dist_curr = (dist_curr > dist_first) ? dist_curr : dist_first;
2307         dist_total += dist_curr;
2308         dist_count++;
2309
2310         if (dist_total > 0)
2311                 fps = (1000000 * dist_count) / dist_total;
2312         else
2313                 fps = 60;
2314
2315         /*
2316            printk("curr2 %d, fps=%d\n", dist_curr, fps);
2317          */
2318         return fps;
2319 }
2320 EXPORT_SYMBOL(rk_get_real_fps);
2321
2322 #endif
2323 #ifdef CONFIG_ROCKCHIP_IOMMU
2324 #define ION_MAX 10
2325 static struct ion_handle *ion_hanle[ION_MAX];
2326 static struct ion_handle *ion_hwc[1];
2327 #endif
2328 static int rk_fb_ioctl(struct fb_info *info, unsigned int cmd,
2329                        unsigned long arg)
2330 {
2331         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2332         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2333         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2334         struct fb_fix_screeninfo *fix = &info->fix;
2335         struct rk_lcdc_win *win;
2336         int enable;     /* enable fb:1 enable;0 disable */
2337         int ovl;        /* overlay:0 win1 on the top of win0;1,win0 on the top of win1 */
2338         int num_buf;    /* buffer_number */
2339         int ret;
2340         struct rk_fb_win_cfg_data win_data;
2341         unsigned int dsp_addr[4];
2342         int list_stat;
2343
2344         int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2345
2346         void __user *argp = (void __user *)arg;
2347         win = dev_drv->win[win_id];
2348
2349         switch (cmd) {
2350         case RK_FBIOSET_HWC_ADDR:
2351         {
2352                 u32 hwc_phy[1];
2353                 if (copy_from_user(hwc_phy, argp, 4))
2354                         return -EFAULT;
2355 #ifdef CONFIG_ROCKCHIP_IOMMU
2356                 if (!dev_drv->iommu_enabled) {
2357 #endif
2358                         fix->smem_start = hwc_phy[0];
2359 #ifdef CONFIG_ROCKCHIP_IOMMU
2360                 } else {
2361                         int usr_fd;
2362                         struct ion_handle *hdl;
2363                         ion_phys_addr_t phy_addr;
2364                         size_t len;
2365
2366                         usr_fd = hwc_phy[0];
2367                         if (!usr_fd) {
2368                                 fix->smem_start = 0;
2369                                 fix->mmio_start = 0;
2370                                 dev_drv->ops->open(dev_drv, win_id, 0);
2371                                 break;
2372                         }
2373
2374                         if (ion_hwc[0] != 0) {
2375                                 ion_free(rk_fb->ion_client, ion_hwc[0]);
2376                                 ion_hwc[0] = 0;
2377                         }
2378
2379                         hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2380                         if (IS_ERR(hdl)) {
2381                                 dev_err(info->dev, "failed to get hwc ion handle:%ld\n",
2382                                         PTR_ERR(hdl));
2383                                 return -EFAULT;
2384                         }
2385
2386                         ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2387                                                 (unsigned long *)&phy_addr,
2388                                                 (unsigned long *)&len);
2389                         if (ret < 0) {
2390                                 dev_err(info->dev, "ion map to get hwc phy addr failed");
2391                                 ion_free(rk_fb->ion_client, hdl);
2392                                 return -ENOMEM;
2393                         }
2394                         fix->smem_start = phy_addr;
2395                         ion_hwc[0] = hdl;
2396                 }
2397 #endif
2398                 break;
2399         }
2400         case RK_FBIOSET_YUV_ADDR:
2401                 {
2402                         u32 yuv_phy[2];
2403
2404                         if (copy_from_user(yuv_phy, argp, 8))
2405                                 return -EFAULT;
2406                         #ifdef CONFIG_ROCKCHIP_IOMMU
2407                         if (!dev_drv->iommu_enabled || !strcmp(info->fix.id, "fb0")) {
2408                         #endif
2409                                 fix->smem_start = yuv_phy[0];
2410                                 fix->mmio_start = yuv_phy[1];
2411                         #ifdef CONFIG_ROCKCHIP_IOMMU
2412                         } else {
2413                                 int usr_fd, offset, tmp;
2414                                 struct ion_handle *hdl;
2415                                 ion_phys_addr_t phy_addr;
2416                                 size_t len;
2417
2418                                 usr_fd = yuv_phy[0];
2419                                 offset = yuv_phy[1] - yuv_phy[0];
2420                                 if (!usr_fd) {
2421                                         fix->smem_start = 0;
2422                                         fix->mmio_start = 0;
2423                                         break;
2424                                 }
2425
2426                                 if (ion_hanle[ION_MAX - 1] != 0) {
2427                                         /*ion_unmap_kernel(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);*/
2428                                         /*ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client, ion_hanle[ION_MAX - 1]);*/
2429                                         ion_free(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);
2430                                         ion_hanle[ION_MAX - 1] = 0;
2431                                 }
2432
2433                                 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2434                                 if (IS_ERR(hdl)) {
2435                                         dev_err(info->dev, "failed to get ion handle:%ld\n",
2436                                                 PTR_ERR(hdl));
2437                                         return -EFAULT;
2438                                 }
2439
2440                                 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2441                                                         (unsigned long *)&phy_addr,
2442                                                         (unsigned long *)&len);
2443                                 if (ret < 0) {
2444                                         dev_err(info->dev, "ion map to get phy addr failed");
2445                                         ion_free(rk_fb->ion_client, hdl);
2446                                         return -ENOMEM;
2447                                 }
2448                                 fix->smem_start = phy_addr;
2449                                 fix->mmio_start = phy_addr + offset;
2450                                 fix->smem_len = len;
2451                                 /*info->screen_base = ion_map_kernel(rk_fb->ion_client, hdl);*/
2452
2453                                 ion_hanle[0] = hdl;
2454                                 for (tmp = ION_MAX - 1; tmp > 0; tmp--)
2455                                         ion_hanle[tmp] = ion_hanle[tmp - 1];
2456                                 ion_hanle[0] = 0;
2457                         }
2458                         #endif
2459                         break;
2460                 }
2461         case RK_FBIOSET_ENABLE:
2462                 if (copy_from_user(&enable, argp, sizeof(enable)))
2463                         return -EFAULT;
2464                                 if (enable)
2465                                         fb_par->state++;
2466                                 else
2467                                         fb_par->state--;
2468                 dev_drv->ops->open(dev_drv, win_id, enable);
2469                 break;
2470         case RK_FBIOGET_ENABLE:
2471                 enable = dev_drv->ops->get_win_state(dev_drv, win_id);
2472                 if (copy_to_user(argp, &enable, sizeof(enable)))
2473                         return -EFAULT;
2474                 break;
2475         case RK_FBIOSET_OVERLAY_STA:
2476                 if (copy_from_user(&ovl, argp, sizeof(ovl)))
2477                         return -EFAULT;
2478                 dev_drv->ops->ovl_mgr(dev_drv, ovl, 1);
2479                 break;
2480         case RK_FBIOGET_OVERLAY_STA:
2481                 ovl = dev_drv->ops->ovl_mgr(dev_drv, 0, 0);
2482                 if (copy_to_user(argp, &ovl, sizeof(ovl)))
2483                         return -EFAULT;
2484                 break;
2485         case RK_FBIOPUT_NUM_BUFFERS:
2486                 if (copy_from_user(&num_buf, argp, sizeof(num_buf)))
2487                         return -EFAULT;
2488                 dev_drv->num_buf = num_buf;
2489                 break;
2490         case RK_FBIOSET_VSYNC_ENABLE:
2491                 if (copy_from_user(&enable, argp, sizeof(enable)))
2492                         return -EFAULT;
2493                 dev_drv->vsync_info.active = enable;
2494                 break;
2495
2496         case RK_FBIOGET_DSP_ADDR:
2497                 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
2498                 if (copy_to_user(argp, &dsp_addr, sizeof(dsp_addr)))
2499                         return -EFAULT;
2500                 break;
2501         case RK_FBIOGET_LIST_STA:
2502                 list_stat = rk_fb_get_list_stat(dev_drv);
2503                 if (copy_to_user(argp, &list_stat, sizeof(list_stat)))
2504                         return -EFAULT;
2505
2506                 break;
2507         case RK_FBIOGET_IOMMU_STA:
2508                 if (copy_to_user(argp, &dev_drv->iommu_enabled,
2509                                  sizeof(dev_drv->iommu_enabled)))
2510                         return -EFAULT;
2511                 break;
2512 #if defined(CONFIG_ION_ROCKCHIP)
2513         case RK_FBIOSET_DMABUF_FD:
2514                 {
2515                         int usr_fd;
2516                         struct ion_handle *hdl;
2517                         ion_phys_addr_t phy_addr;
2518                         size_t len;
2519                         if (copy_from_user(&usr_fd, argp, sizeof(usr_fd)))
2520                                 return -EFAULT;
2521                         hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2522                         ion_phys(rk_fb->ion_client, hdl, &phy_addr, &len);
2523                         fix->smem_start = phy_addr;
2524                         break;
2525                 }
2526         case RK_FBIOGET_DMABUF_FD:
2527                 {
2528                         int fd = -1;
2529
2530                         if (IS_ERR_OR_NULL(fb_par->ion_hdl)) {
2531                                 dev_err(info->dev,
2532                                         "get dma_buf fd failed,ion handle is err\n");
2533                                 return PTR_ERR(fb_par->ion_hdl);
2534                         }
2535                         fd = ion_share_dma_buf_fd(rk_fb->ion_client,
2536                                                   fb_par->ion_hdl);
2537                         if (fd < 0) {
2538                                 dev_err(info->dev,
2539                                         "ion_share_dma_buf_fd failed\n");
2540                                 return fd;
2541                         }
2542                         if (copy_to_user(argp, &fd, sizeof(fd)))
2543                                 return -EFAULT;
2544                         break;
2545                 }
2546 #endif
2547         case RK_FBIOSET_CLEAR_FB:
2548                 memset(fb_par->fb_virt_base, 0, fb_par->fb_size);
2549                 break;
2550         case RK_FBIOSET_CONFIG_DONE:
2551                 {
2552                         int curr = 0;
2553                         struct timespec now;
2554
2555                         getnstimeofday(&now);
2556                         curr = now.tv_sec * 1000000 + now.tv_nsec / 1000;
2557                         cfgdone_distlist[cfgdone_index++] =
2558                             curr - cfgdone_lasttime;
2559                         /*
2560                            printk("%d ", curr - cfgdone_lasttime);
2561                          */
2562                         cfgdone_lasttime = curr;
2563                         if (cfgdone_index >= 10)
2564                                 cfgdone_index = 0;
2565                 }
2566                 if (copy_from_user(&win_data,
2567                                    (struct rk_fb_win_cfg_data __user *)argp,
2568                                    sizeof(win_data))) {
2569                         ret = -EFAULT;
2570                         break;
2571                 };
2572
2573                 dev_drv->wait_fs = win_data.wait_fs;
2574                 rk_fb_set_win_config(info, &win_data);
2575
2576                 if (copy_to_user((struct rk_fb_win_cfg_data __user *)arg,
2577                                  &win_data, sizeof(win_data))) {
2578                         ret = -EFAULT;
2579                         break;
2580                 }
2581                 memset(&win_data, 0, sizeof(struct rk_fb_win_cfg_data));
2582                 break;
2583         default:
2584                 dev_drv->ops->ioctl(dev_drv, cmd, arg, win_id);
2585                 break;
2586         }
2587
2588         return 0;
2589 }
2590
2591 static int rk_fb_blank(int blank_mode, struct fb_info *info)
2592 {
2593         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2594         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2595         struct fb_fix_screeninfo *fix = &info->fix;
2596         int win_id;
2597 #if defined(CONFIG_RK_HDMI)
2598         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2599 #endif
2600
2601         win_id = dev_drv->ops->fb_get_win_id(dev_drv, fix->id);
2602         if (win_id < 0)
2603                 return -ENODEV;
2604 #if defined(CONFIG_RK_HDMI)
2605         if ((rk_fb->disp_mode == ONE_DUAL) &&
2606             (hdmi_get_hotplug() == HDMI_HPD_ACTIVED)) {
2607                 printk(KERN_INFO "hdmi is connect , not blank lcdc\n");
2608         } else
2609 #endif
2610         {
2611                 dev_drv->ops->blank(dev_drv, win_id, blank_mode);
2612         }
2613         return 0;
2614 }
2615
2616 static int rk_fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
2617 {
2618         if ((0 == var->xres_virtual) || (0 == var->yres_virtual) ||
2619             (0 == var->xres) || (0 == var->yres) || (var->xres < 16) ||
2620             ((16 != var->bits_per_pixel) &&
2621             (32 != var->bits_per_pixel) &&
2622             (24 != var->bits_per_pixel))) {
2623                 dev_err(info->dev, "%s check var fail 1:\n"
2624                         "xres_vir:%d>>yres_vir:%d\n"
2625                         "xres:%d>>yres:%d\n"
2626                         "bits_per_pixel:%d\n",
2627                         info->fix.id,
2628                         var->xres_virtual,
2629                         var->yres_virtual,
2630                         var->xres, var->yres, var->bits_per_pixel);
2631                 return -EINVAL;
2632         }
2633
2634         if (((var->xoffset + var->xres) > var->xres_virtual) ||
2635             ((var->yoffset + var->yres) > (var->yres_virtual))) {
2636                 dev_err(info->dev, "%s check_var fail 2:\n"
2637                         "xoffset:%d>>xres:%d>>xres_vir:%d\n"
2638                         "yoffset:%d>>yres:%d>>yres_vir:%d\n",
2639                         info->fix.id,
2640                         var->xoffset,
2641                         var->xres,
2642                         var->xres_virtual,
2643                         var->yoffset, var->yres, var->yres_virtual);
2644                 return -EINVAL;
2645         }
2646
2647         return 0;
2648 }
2649
2650 static ssize_t rk_fb_read(struct fb_info *info, char __user *buf,
2651                           size_t count, loff_t *ppos)
2652 {
2653         unsigned long p = *ppos;
2654         u8 *buffer, *dst;
2655         u8 __iomem *src;
2656         int c, cnt = 0, err = 0;
2657         unsigned long total_size;
2658         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2659         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2660         struct rk_lcdc_win *win = NULL;
2661         int win_id = 0;
2662
2663         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2664         if (win_id < 0)
2665                 return -ENODEV;
2666         else
2667                 win = dev_drv->win[win_id];
2668
2669         /* only read the current frame buffer */
2670         if (win->area[0].format == RGB565) {
2671                 total_size = win->area[0].y_vir_stride * win->area[0].yact << 1;
2672         } else if ((win->area[0].format == YUV420) ||
2673                    (win->area[0].format == YUV420_NV21)) {
2674                 total_size =
2675                     (win->area[0].y_vir_stride * win->area[0].yact * 6);
2676         } else {
2677                 total_size = win->area[0].y_vir_stride * win->area[0].yact << 2;
2678         }
2679         if (p >= total_size)
2680                 return 0;
2681
2682         if (count >= total_size)
2683                 count = total_size;
2684
2685         if (count + p > total_size)
2686                 count = total_size - p;
2687
2688         buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
2689         if (!buffer)
2690                 return -ENOMEM;
2691
2692         src = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
2693
2694         while (count) {
2695                 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
2696                 dst = buffer;
2697                 fb_memcpy_fromfb(dst, src, c);
2698                 dst += c;
2699                 src += c;
2700
2701                 if (copy_to_user(buf, buffer, c)) {
2702                         err = -EFAULT;
2703                         break;
2704                 }
2705                 *ppos += c;
2706                 buf += c;
2707                 cnt += c;
2708                 count -= c;
2709         }
2710
2711         kfree(buffer);
2712
2713         return (err) ? err : cnt;
2714 }
2715
2716 static ssize_t rk_fb_write(struct fb_info *info, const char __user *buf,
2717                            size_t count, loff_t *ppos)
2718 {
2719         unsigned long p = *ppos;
2720         u8 *buffer, *src;
2721         u8 __iomem *dst;
2722         int c, cnt = 0, err = 0;
2723         unsigned long total_size;
2724         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2725         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2726         struct rk_lcdc_win *win = NULL;
2727         int win_id = 0;
2728
2729         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2730         if (win_id < 0)
2731                 return -ENODEV;
2732         else
2733                 win = dev_drv->win[win_id];
2734
2735         /* write the current frame buffer */
2736         if (win->area[0].format == RGB565)
2737                 total_size = win->area[0].xact * win->area[0].yact << 1;
2738         else
2739                 total_size = win->area[0].xact * win->area[0].yact << 2;
2740
2741         if (p > total_size)
2742                 return -EFBIG;
2743
2744         if (count > total_size) {
2745                 err = -EFBIG;
2746                 count = total_size;
2747         }
2748
2749         if (count + p > total_size) {
2750                 if (!err)
2751                         err = -ENOSPC;
2752
2753                 count = total_size - p;
2754         }
2755
2756         buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
2757         if (!buffer)
2758                 return -ENOMEM;
2759
2760         dst = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
2761
2762         while (count) {
2763                 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
2764                 src = buffer;
2765
2766                 if (copy_from_user(src, buf, c)) {
2767                         err = -EFAULT;
2768                         break;
2769                 }
2770
2771                 fb_memcpy_tofb(dst, src, c);
2772                 dst += c;
2773                 src += c;
2774                 *ppos += c;
2775                 buf += c;
2776                 cnt += c;
2777                 count -= c;
2778         }
2779
2780         kfree(buffer);
2781
2782         return (cnt) ? cnt : err;
2783 }
2784
2785 static int rk_fb_set_par(struct fb_info *info)
2786 {
2787         struct fb_var_screeninfo *var = &info->var;
2788         struct fb_fix_screeninfo *fix = &info->fix;
2789         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2790         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2791         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2792         struct rk_lcdc_win *win = NULL;
2793         struct rk_screen *screen = dev_drv->cur_screen;
2794         int win_id = 0;
2795         u32 cblen = 0, crlen = 0;
2796         u16 xsize = 0, ysize = 0;       /* winx display window height/width --->LCDC_WINx_DSP_INFO */
2797         u32 xoffset = var->xoffset;     /* offset from virtual to visible */
2798         u32 yoffset = var->yoffset;
2799         u16 xpos = (var->nonstd >> 8) & 0xfff;  /*visiable pos in panel */
2800         u16 ypos = (var->nonstd >> 20) & 0xfff;
2801         u32 xvir = var->xres_virtual;
2802         u32 yvir = var->yres_virtual;
2803         u8 data_format = var->nonstd & 0xff;
2804         u8 fb_data_fmt;
2805         u8 pixel_width;
2806         u32 vir_width_bit;
2807         u32 stride, uv_stride;
2808         u32 stride_32bit_1;
2809         u32 stride_32bit_2;
2810         u16 uv_x_off, uv_y_off, uv_y_act;
2811         u8 is_pic_yuv = 0;
2812         /*var->pixclock = dev_drv->pixclock;*/
2813         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2814         if (win_id < 0)
2815                 return -ENODEV;
2816         else
2817                 win = dev_drv->win[win_id];
2818
2819         /* if the application has specific the horizontal and vertical display size */
2820         if (var->grayscale >> 8) {
2821                 xsize = (var->grayscale >> 8) & 0xfff;
2822                 ysize = (var->grayscale >> 20) & 0xfff;
2823                 if (xsize > screen->mode.xres)
2824                         xsize = screen->mode.xres;
2825                 if (ysize > screen->mode.yres)
2826                         ysize = screen->mode.yres;
2827         } else {                /*ohterwise  full  screen display */
2828                 xsize = screen->mode.xres;
2829                 ysize = screen->mode.yres;
2830         }
2831
2832         fb_data_fmt = rk_fb_data_fmt(data_format, var->bits_per_pixel);
2833         if (fb_data_fmt >= FBDC_RGB_565) {
2834                 win->area[0].fbdc_en = 1;
2835                 win->area[0].fbdc_cor_en = 1;
2836         } else {
2837                 win->area[0].fbdc_en = 0;
2838                 win->area[0].fbdc_cor_en = 0;
2839         }
2840         pixel_width = rk_fb_pixel_width(fb_data_fmt);
2841         vir_width_bit = pixel_width * xvir;
2842         /* pixel_width = byte_num * 8 */
2843         stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
2844         stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
2845
2846         switch (fb_data_fmt) {
2847         case YUV422:
2848         case YUV422_A:
2849                 is_pic_yuv = 1;
2850                 stride = stride_32bit_1;
2851                 uv_stride = stride_32bit_1 >> 1;
2852                 uv_x_off = xoffset >> 1;
2853                 uv_y_off = yoffset;
2854                 fix->line_length = stride;
2855                 cblen = crlen = (xvir * yvir) >> 1;
2856                 uv_y_act = win->area[0].yact >> 1;
2857                 break;
2858         case YUV420:            /* nv12 */
2859         case YUV420_NV21:       /* nv21 */
2860         case YUV420_A:
2861                 is_pic_yuv = 1;
2862                 stride = stride_32bit_1;
2863                 uv_stride = stride_32bit_1;
2864                 uv_x_off = xoffset;
2865                 uv_y_off = yoffset >> 1;
2866                 fix->line_length = stride;
2867                 cblen = crlen = (xvir * yvir) >> 2;
2868                 uv_y_act = win->area[0].yact >> 1;
2869                 break;
2870         case YUV444:
2871         case YUV444_A:
2872                 is_pic_yuv = 1;
2873                 stride = stride_32bit_1;
2874                 uv_stride = stride_32bit_2;
2875                 uv_x_off = xoffset * 2;
2876                 uv_y_off = yoffset;
2877                 fix->line_length = stride << 2;
2878                 cblen = crlen = (xvir * yvir);
2879                 uv_y_act = win->area[0].yact;
2880                 break;
2881         default:
2882                 stride = stride_32bit_1;        /* default rgb */
2883                 fix->line_length = stride;
2884                 break;
2885         }
2886
2887         win->area[0].format = fb_data_fmt;
2888         win->area[0].y_vir_stride = stride >> 2;
2889         win->area[0].uv_vir_stride = uv_stride >> 2;
2890         win->area[0].xpos = xpos;
2891         win->area[0].ypos = ypos;
2892         win->area[0].xsize = xsize;
2893         win->area[0].ysize = ysize;
2894         win->area[0].xact = var->xres;  /* winx active window height,is a wint of vir */
2895         win->area[0].yact = var->yres;
2896         win->area[0].xvir = var->xres_virtual;  /* virtual resolution  stride --->LCDC_WINx_VIR */
2897         win->area[0].yvir = var->yres_virtual;
2898         win->area[0].xoff = xoffset;
2899         win->area[0].yoff = yoffset;
2900
2901         win->area_num = 1;
2902         win->alpha_mode = 4;    /* AB_SRC_OVER; */
2903         win->alpha_en = ((win->area[0].format == ARGB888) ||
2904                          (win->area[0].format == FBDC_ARGB_888) ||
2905                          (win->area[0].format == FBDC_ABGR_888) ||
2906                          (win->area[0].format == ABGR888)) ? 1 : 0;
2907         win->g_alpha_val = 0;
2908
2909         if (rk_fb->disp_policy == DISPLAY_POLICY_BOX &&
2910             (win->area[0].format == YUV420 ||
2911              win->area[0].format == YUV420_NV21 ||
2912              win->area[0].format == YUV420_A))
2913                 win->state = 1;
2914
2915         dev_drv->ops->set_par(dev_drv, win_id);
2916
2917         return 0;
2918 }
2919
2920 static inline unsigned int chan_to_field(unsigned int chan,
2921                                          struct fb_bitfield *bf)
2922 {
2923         chan &= 0xffff;
2924         chan >>= 16 - bf->length;
2925         return chan << bf->offset;
2926 }
2927
2928 static int fb_setcolreg(unsigned regno,
2929                         unsigned red, unsigned green, unsigned blue,
2930                         unsigned transp, struct fb_info *info)
2931 {
2932         unsigned int val;
2933
2934         switch (info->fix.visual) {
2935         case FB_VISUAL_TRUECOLOR:
2936                 /* true-colour, use pseudo-palette */
2937                 if (regno < 16) {
2938                         u32 *pal = info->pseudo_palette;
2939                         val = chan_to_field(red, &info->var.red);
2940                         val |= chan_to_field(green, &info->var.green);
2941                         val |= chan_to_field(blue, &info->var.blue);
2942                         pal[regno] = val;
2943                 }
2944                 break;
2945         default:
2946                 return -1;      /* unknown type */
2947         }
2948
2949         return 0;
2950 }
2951
2952 static int rk_fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
2953 {
2954         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
2955         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2956         struct ion_handle *handle = fb_par->ion_hdl;
2957         struct dma_buf *dma_buf = NULL;
2958
2959         if (IS_ERR_OR_NULL(handle)) {
2960                 dev_err(info->dev, "failed to get ion handle:%ld\n",
2961                         PTR_ERR(handle));
2962                 return -ENOMEM;
2963         }
2964         dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
2965         if (IS_ERR_OR_NULL(dma_buf)) {
2966                 printk("get ion share dma buf failed\n");
2967                 return -ENOMEM;
2968         }
2969
2970         vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
2971
2972         return dma_buf_mmap(dma_buf, vma, 0);
2973 }
2974
2975 static struct fb_ops fb_ops = {
2976         .owner = THIS_MODULE,
2977         .fb_open = rk_fb_open,
2978         .fb_release = rk_fb_close,
2979         .fb_check_var = rk_fb_check_var,
2980         .fb_set_par = rk_fb_set_par,
2981         .fb_blank = rk_fb_blank,
2982         .fb_ioctl = rk_fb_ioctl,
2983         .fb_compat_ioctl = rk_fb_ioctl,
2984         .fb_pan_display = rk_fb_pan_display,
2985         .fb_read = rk_fb_read,
2986         .fb_write = rk_fb_write,
2987         .fb_setcolreg = fb_setcolreg,
2988         .fb_fillrect = cfb_fillrect,
2989         .fb_copyarea = cfb_copyarea,
2990         .fb_imageblit = cfb_imageblit,
2991 };
2992
2993 static struct fb_var_screeninfo def_var = {
2994 #if defined(CONFIG_LOGO_LINUX_BMP)
2995         .red = {16, 8, 0},
2996         .green = {8, 8, 0},
2997         .blue = {0, 8, 0},
2998         .transp = {0, 0, 0},
2999         .nonstd = HAL_PIXEL_FORMAT_BGRA_8888,
3000 #else
3001         .red = {11, 5, 0},
3002         .green = {5, 6, 0},
3003         .blue = {0, 5, 0},
3004         .transp = {0, 0, 0},
3005         .nonstd = HAL_PIXEL_FORMAT_RGB_565,     /* (ypos<<20+xpos<<8+format) format */
3006 #endif
3007         .grayscale = 0,         /* (ysize<<20+xsize<<8) */
3008         .activate = FB_ACTIVATE_NOW,
3009         .accel_flags = 0,
3010         .vmode = FB_VMODE_NONINTERLACED,
3011 };
3012
3013 static struct fb_fix_screeninfo def_fix = {
3014         .type = FB_TYPE_PACKED_PIXELS,
3015         .type_aux = 0,
3016         .xpanstep = 1,
3017         .ypanstep = 1,
3018         .ywrapstep = 0,
3019         .accel = FB_ACCEL_NONE,
3020         .visual = FB_VISUAL_TRUECOLOR,
3021
3022 };
3023
3024 static int rk_fb_wait_for_vsync_thread(void *data)
3025 {
3026         struct rk_lcdc_driver *dev_drv = data;
3027         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3028         struct fb_info *fbi = rk_fb->fb[0];
3029
3030         while (!kthread_should_stop()) {
3031                 ktime_t timestamp = dev_drv->vsync_info.timestamp;
3032                 int ret = wait_event_interruptible(dev_drv->vsync_info.wait,
3033                                 !ktime_equal(timestamp, dev_drv->vsync_info.timestamp) &&
3034                                 (dev_drv->vsync_info.active || dev_drv->vsync_info.irq_stop));
3035
3036                 if (!ret)
3037                         sysfs_notify(&fbi->dev->kobj, NULL, "vsync");
3038         }
3039
3040         return 0;
3041 }
3042
3043 static ssize_t rk_fb_vsync_show(struct device *dev,
3044                                 struct device_attribute *attr, char *buf)
3045 {
3046         struct fb_info *fbi = dev_get_drvdata(dev);
3047         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3048         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3049         return scnprintf(buf, PAGE_SIZE, "%llu\n",
3050                          ktime_to_ns(dev_drv->vsync_info.timestamp));
3051 }
3052
3053 static DEVICE_ATTR(vsync, S_IRUGO, rk_fb_vsync_show, NULL);
3054
3055 /*
3056  * this two function is for other module that in the kernel which
3057  * need show image directly through fb
3058  * fb_id:we have 4 fb here,default we use fb0 for ui display
3059  */
3060 struct fb_info *rk_get_fb(int fb_id)
3061 {
3062         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3063         struct fb_info *fb = inf->fb[fb_id];
3064         return fb;
3065 }
3066 EXPORT_SYMBOL(rk_get_fb);
3067
3068 void rk_direct_fb_show(struct fb_info *fbi)
3069 {
3070         rk_fb_set_par(fbi);
3071         rk_fb_pan_display(&fbi->var, fbi);
3072 }
3073 EXPORT_SYMBOL(rk_direct_fb_show);
3074
3075 int rk_fb_dpi_open(bool open)
3076 {
3077         struct rk_lcdc_driver *dev_drv = NULL;
3078         dev_drv = rk_get_prmry_lcdc_drv();
3079
3080         if (dev_drv->ops->dpi_open)
3081                 dev_drv->ops->dpi_open(dev_drv, open);
3082         return 0;
3083 }
3084
3085 int rk_fb_dpi_win_sel(int win_id)
3086 {
3087         struct rk_lcdc_driver *dev_drv = NULL;
3088         dev_drv = rk_get_prmry_lcdc_drv();
3089
3090         if (dev_drv->ops->dpi_win_sel)
3091                 dev_drv->ops->dpi_win_sel(dev_drv, win_id);
3092         return 0;
3093 }
3094
3095 int rk_fb_dpi_status(void)
3096 {
3097         int ret = 0;
3098         struct rk_lcdc_driver *dev_drv = NULL;
3099
3100         dev_drv = rk_get_prmry_lcdc_drv();
3101         if (dev_drv->ops->dpi_status)
3102                 ret = dev_drv->ops->dpi_status(dev_drv);
3103
3104         return ret;
3105 }
3106
3107 /*
3108  * function: this function will be called by display device, enable/disable lcdc
3109  * @screen: screen timing to be set to lcdc
3110  * @enable: 0 disable lcdc; 1 enable change lcdc timing; 2 just enable dclk
3111  * @lcdc_id: the lcdc id the display device attached ,0 or 1
3112  */
3113 int rk_fb_switch_screen(struct rk_screen *screen, int enable, int lcdc_id)
3114 {
3115         struct rk_fb *rk_fb =  platform_get_drvdata(fb_pdev);
3116         struct fb_info *info = NULL;
3117         struct rk_fb_par *fb_par = NULL;
3118         struct rk_lcdc_driver *dev_drv = NULL;
3119         char name[6] = {0};
3120         int i, win_id, load_screen = 0;
3121
3122         if (unlikely(!rk_fb) || unlikely(!screen))
3123                 return -ENODEV;
3124
3125         hdmi_switch_complete = 0;
3126         /* get lcdc driver */
3127         sprintf(name, "lcdc%d", lcdc_id);
3128         if (rk_fb->disp_mode != DUAL)
3129                 dev_drv = rk_fb->lcdc_dev_drv[0];
3130         else
3131                 dev_drv = rk_get_lcdc_drv(name);
3132
3133         if (dev_drv == NULL) {
3134                 printk(KERN_ERR "%s driver not found!", name);
3135                 return -ENODEV;
3136         }
3137         if (screen->type == SCREEN_HDMI)
3138                 printk("hdmi %s lcdc%d\n", enable ? "connect to" : "remove from",
3139                         dev_drv->id);
3140         else if (screen->type == SCREEN_TVOUT ||
3141                      screen->type == SCREEN_TVOUT_TEST )
3142                 printk("cvbs %s lcdc%d\n", enable ? "connect to" : "remove from",
3143                         dev_drv->id);
3144         if (enable == 2 /*&& dev_drv->enable*/)
3145                 return 0;
3146
3147         if ((rk_fb->disp_mode == ONE_DUAL) ||
3148             (rk_fb->disp_mode == NO_DUAL)) {
3149                 if ((dev_drv->ops->backlight_close) &&
3150                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX))
3151                         dev_drv->ops->backlight_close(dev_drv, 1);
3152                 if (dev_drv->ops->dsp_black)
3153                         dev_drv->ops->dsp_black(dev_drv, 1);
3154                 if ((dev_drv->ops->set_screen_scaler) &&
3155                     (rk_fb->disp_mode == ONE_DUAL))
3156                         dev_drv->ops->set_screen_scaler(dev_drv,
3157                                                         dev_drv->screen0, 0);
3158         }
3159         if (dev_drv->uboot_logo && (screen->type != dev_drv->cur_screen->type))
3160                dev_drv->uboot_logo = 0;
3161         if (!enable) {
3162                 /* if screen type is different, we do not disable lcdc. */
3163                 if (dev_drv->cur_screen->type != screen->type)
3164                         return 0;
3165
3166                 /* if used one lcdc to dual disp, no need to close win */
3167                 if ((rk_fb->disp_mode == ONE_DUAL) ||
3168                     ((rk_fb->disp_mode == NO_DUAL) &&
3169                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX))) {
3170                         dev_drv->cur_screen = dev_drv->screen0;
3171                         dev_drv->ops->load_screen(dev_drv, 1);
3172
3173                         /* force modify dsp size */
3174                         info = rk_fb->fb[dev_drv->fb_index_base];
3175                         info->var.grayscale &= 0xff;
3176                         info->var.grayscale |=
3177                                 (dev_drv->cur_screen->mode.xres << 8) +
3178                                 (dev_drv->cur_screen->mode.yres << 20);
3179                         mutex_lock(&dev_drv->win_config);
3180                         info->fbops->fb_set_par(info);
3181                         info->fbops->fb_pan_display(&info->var, info);
3182                         mutex_unlock(&dev_drv->win_config);
3183
3184                         if (dev_drv->ops->dsp_black)
3185                                 dev_drv->ops->dsp_black(dev_drv, 0);
3186                         if ((dev_drv->ops->backlight_close) &&
3187                             (rk_fb->disp_policy != DISPLAY_POLICY_BOX))
3188                                 dev_drv->ops->backlight_close(dev_drv, 0);
3189                 } else if (rk_fb->num_lcdc > 1) {
3190                         /* If there is more than one lcdc device, we disable
3191                            the layer which attached to this device */
3192                         dev_drv->suspend_flag = 1;
3193                         flush_kthread_worker(&dev_drv->update_regs_worker);
3194                         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3195                                 if (dev_drv->win[i] && dev_drv->win[i]->state)
3196                                         dev_drv->ops->open(dev_drv, i, 0);
3197                         }
3198                 }
3199
3200                 hdmi_switch_complete = 0;
3201                 return 0;
3202         } else {
3203                 if (dev_drv->screen1)
3204                         dev_drv->cur_screen = dev_drv->screen1;
3205
3206                 memcpy(dev_drv->cur_screen, screen, sizeof(struct rk_screen));
3207                 dev_drv->cur_screen->xsize = dev_drv->cur_screen->mode.xres;
3208                 dev_drv->cur_screen->ysize = dev_drv->cur_screen->mode.yres;
3209                 dev_drv->cur_screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3210                 dev_drv->cur_screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3211         }
3212         if ((!dev_drv->uboot_logo) ||
3213             (rk_fb->disp_policy != DISPLAY_POLICY_BOX)) {
3214                 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3215                         info = rk_fb->fb[dev_drv->fb_index_base + i];
3216                         fb_par = (struct rk_fb_par *)info->par;
3217                         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3218                         if (dev_drv->win[win_id]) {
3219                                 if (fb_par->state) {
3220                                         if (!dev_drv->win[win_id]->state) {
3221                                                 dev_drv->ops->open(dev_drv, win_id, 1);
3222                                                 dev_drv->suspend_flag = 0;
3223                                         }
3224                                         if (!load_screen) {
3225                                                 dev_drv->ops->load_screen(dev_drv, 1);
3226                                                 load_screen = 1;
3227                                         }
3228                                         info->var.activate |= FB_ACTIVATE_FORCE;
3229                                         if (rk_fb->disp_mode == ONE_DUAL) {
3230                                                 info->var.grayscale &= 0xff;
3231                                                 info->var.grayscale |=
3232                                                         (dev_drv->cur_screen->xsize << 8) +
3233                                                         (dev_drv->cur_screen->ysize << 20);
3234                                         }
3235
3236                                         mutex_lock(&dev_drv->win_config);
3237                                         info->fbops->fb_set_par(info);
3238                                         info->fbops->fb_pan_display(&info->var, info);
3239                                         mutex_unlock(&dev_drv->win_config);
3240                                 }
3241                         }
3242                 }
3243         }else {
3244                 dev_drv->uboot_logo = 0;
3245         }
3246         hdmi_switch_complete = 1;
3247         if ((rk_fb->disp_mode == ONE_DUAL) || (rk_fb->disp_mode == NO_DUAL)) {
3248                 if ((dev_drv->ops->set_screen_scaler) &&
3249                     (rk_fb->disp_mode == ONE_DUAL))
3250                         dev_drv->ops->set_screen_scaler(dev_drv, dev_drv->screen0, 1);
3251                 if (dev_drv->ops->dsp_black)
3252                         dev_drv->ops->dsp_black(dev_drv, 0);
3253                 if ((dev_drv->ops->backlight_close) &&
3254                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
3255                     (rk_fb->disp_mode == ONE_DUAL))
3256                         dev_drv->ops->backlight_close(dev_drv, 0);
3257         }
3258         return 0;
3259 }
3260
3261 /*
3262  * function:this function current only called by hdmi for
3263  *      scale the display
3264  * scale_x: scale rate of x resolution
3265  * scale_y: scale rate of y resolution
3266  * lcdc_id: the lcdc id the hdmi attached ,0 or 1
3267  */
3268 int rk_fb_disp_scale(u8 scale_x, u8 scale_y, u8 lcdc_id)
3269 {
3270         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3271         struct fb_info *info = NULL;
3272         struct fb_info *pmy_info = NULL;
3273         struct fb_var_screeninfo *var = NULL;
3274         struct rk_lcdc_driver *dev_drv = NULL;
3275         u16 screen_x, screen_y;
3276         u16 xpos, ypos;
3277         char name[6];
3278         struct rk_screen primary_screen;
3279         rk_fb_get_prmry_screen(&primary_screen);
3280         if (primary_screen.type == SCREEN_HDMI) {
3281                 return 0;
3282         }
3283
3284         sprintf(name, "lcdc%d", lcdc_id);
3285
3286         if (inf->disp_mode == DUAL) {
3287                 dev_drv = rk_get_lcdc_drv(name);
3288                 if (dev_drv == NULL) {
3289                         printk(KERN_ERR "%s driver not found!", name);
3290                         return -ENODEV;
3291                 }
3292         } else {
3293                 dev_drv = inf->lcdc_dev_drv[0];
3294         }
3295
3296         if (inf->num_lcdc == 1) {
3297                 info = inf->fb[0];
3298         } else if (inf->num_lcdc == 2) {
3299                 info = inf->fb[dev_drv->lcdc_win_num];
3300                 pmy_info = inf->fb[0];
3301         }
3302
3303         var = &info->var;
3304         screen_x = dev_drv->cur_screen->mode.xres;
3305         screen_y = dev_drv->cur_screen->mode.yres;
3306
3307         if (inf->disp_mode != DUAL && dev_drv->screen1) {
3308                 dev_drv->cur_screen->xpos =
3309                     (screen_x - screen_x * scale_x / 100) >> 1;
3310                 dev_drv->cur_screen->ypos =
3311                     (screen_y - screen_y * scale_y / 100) >> 1;
3312                 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3313                 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3314         } else {
3315                 xpos = (screen_x - screen_x * scale_x / 100) >> 1;
3316                 ypos = (screen_y - screen_y * scale_y / 100) >> 1;
3317                 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3318                 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3319                 if (inf->disp_mode == ONE_DUAL) {
3320                         var->nonstd &= 0xff;
3321                         var->nonstd |= (xpos << 8) + (ypos << 20);
3322                         var->grayscale &= 0xff;
3323                         var->grayscale |=
3324                                 (dev_drv->cur_screen->xsize << 8) +
3325                                 (dev_drv->cur_screen->ysize << 20);
3326                 }
3327         }
3328
3329         mutex_lock(&dev_drv->win_config);
3330         info->fbops->fb_set_par(info);
3331         dev_drv->ops->cfg_done(dev_drv);
3332         mutex_unlock(&dev_drv->win_config);
3333
3334         return 0;
3335 }
3336
3337 #if defined(CONFIG_ION_ROCKCHIP)
3338 static int rk_fb_alloc_buffer_by_ion(struct fb_info *fbi,
3339                                      struct rk_lcdc_win *win,
3340                                      unsigned long fb_mem_size)
3341 {
3342         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3343         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3344         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3345         struct ion_handle *handle;
3346         ion_phys_addr_t phy_addr;
3347         size_t len;
3348         int ret = 0;
3349
3350         if (dev_drv->iommu_enabled)
3351                 handle = ion_alloc(rk_fb->ion_client, (size_t) fb_mem_size, 0,
3352                                    ION_HEAP(ION_VMALLOC_HEAP_ID), 0);
3353         else
3354                 handle = ion_alloc(rk_fb->ion_client, (size_t) fb_mem_size, 0,
3355                                    ION_HEAP(ION_CMA_HEAP_ID), 0);
3356         if (IS_ERR(handle)) {
3357                 dev_err(fbi->device, "failed to ion_alloc:%ld\n",
3358                         PTR_ERR(handle));
3359                 return -ENOMEM;
3360         }
3361
3362         fb_par->ion_hdl = handle;
3363         win->area[0].dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3364         if (IS_ERR_OR_NULL(win->area[0].dma_buf)) {
3365                 printk("ion_share_dma_buf() failed\n");
3366                 goto err_share_dma_buf;
3367         }
3368         win->area[0].ion_hdl = handle;
3369         if (dev_drv->prop == PRMRY)
3370                 fbi->screen_base = ion_map_kernel(rk_fb->ion_client, handle);
3371 #ifdef CONFIG_ROCKCHIP_IOMMU
3372         if (dev_drv->iommu_enabled && dev_drv->mmu_dev)
3373                 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, handle,
3374                                         (unsigned long *)&phy_addr,
3375                                         (unsigned long *)&len);
3376         else
3377                 ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3378 #else
3379         ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3380 #endif
3381         if (ret < 0) {
3382                 dev_err(fbi->dev, "ion map to get phy addr failed\n");
3383                 goto err_share_dma_buf;
3384         }
3385         fbi->fix.smem_start = phy_addr;
3386         fbi->fix.smem_len = len;
3387         printk(KERN_INFO "alloc_buffer:ion_phy_addr=0x%lx\n", phy_addr);
3388         return 0;
3389
3390 err_share_dma_buf:
3391         ion_free(rk_fb->ion_client, handle);
3392         return -ENOMEM;
3393 }
3394 #endif
3395
3396 static int rk_fb_alloc_buffer(struct fb_info *fbi)
3397 {
3398         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3399         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3400         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3401         struct rk_lcdc_win *win = NULL;
3402         int win_id;
3403         int ret = 0;
3404         unsigned long fb_mem_size;
3405 #if !defined(CONFIG_ION_ROCKCHIP)
3406         dma_addr_t fb_mem_phys;
3407         void *fb_mem_virt;
3408 #endif
3409
3410         win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
3411         if (win_id < 0)
3412                 return -ENODEV;
3413         else
3414                 win = dev_drv->win[win_id];
3415
3416         if (!strcmp(fbi->fix.id, "fb0")) {
3417                 fb_mem_size = get_fb_size();
3418 #if defined(CONFIG_ION_ROCKCHIP)
3419                 if (rk_fb_alloc_buffer_by_ion(fbi, win, fb_mem_size) < 0)
3420                         return -ENOMEM;
3421 #else
3422                 fb_mem_virt = dma_alloc_writecombine(fbi->dev, fb_mem_size,
3423                                                      &fb_mem_phys, GFP_KERNEL);
3424                 if (!fb_mem_virt) {
3425                         pr_err("%s: Failed to allocate framebuffer\n",
3426                                __func__);
3427                         return -ENOMEM;
3428                 }
3429                 fbi->fix.smem_len = fb_mem_size;
3430                 fbi->fix.smem_start = fb_mem_phys;
3431                 fbi->screen_base = fb_mem_virt;
3432 #endif
3433                 memset(fbi->screen_base, 0, fbi->fix.smem_len);
3434         } else {
3435                 fbi->fix.smem_start = rk_fb->fb[0]->fix.smem_start;
3436                 fbi->fix.smem_len = rk_fb->fb[0]->fix.smem_len;
3437                 fbi->screen_base = rk_fb->fb[0]->screen_base;
3438         }
3439
3440         fbi->screen_size = fbi->fix.smem_len;
3441         fb_par->fb_phy_base = fbi->fix.smem_start;
3442         fb_par->fb_virt_base = fbi->screen_base;
3443         fb_par->fb_size = fbi->fix.smem_len;
3444
3445         pr_info("%s:phy:%lx>>vir:%p>>len:0x%x\n", fbi->fix.id,
3446                        fbi->fix.smem_start, fbi->screen_base,
3447                        fbi->fix.smem_len);
3448         return ret;
3449 }
3450
3451 #if 0
3452 static int rk_release_fb_buffer(struct fb_info *fbi)
3453 {
3454         /* buffer for fb1 and fb3 are alloc by android */
3455         if (!strcmp(fbi->fix.id, "fb1") || !strcmp(fbi->fix.id, "fb3"))
3456                 return 0;
3457         iounmap(fbi->screen_base);
3458         release_mem_region(fbi->fix.smem_start, fbi->fix.smem_len);
3459         return 0;
3460 }
3461 #endif
3462
3463 static int init_lcdc_win(struct rk_lcdc_driver *dev_drv,
3464                          struct rk_lcdc_win *def_win)
3465 {
3466         int i;
3467         int lcdc_win_num = dev_drv->lcdc_win_num;
3468
3469         for (i = 0; i < lcdc_win_num; i++) {
3470                 struct rk_lcdc_win *win = NULL;
3471                 win = kzalloc(sizeof(struct rk_lcdc_win), GFP_KERNEL);
3472                 if (!win) {
3473                         dev_err(dev_drv->dev, "kzmalloc for win fail!");
3474                         return -ENOMEM;
3475                 }
3476
3477                 strcpy(win->name, def_win[i].name);
3478                 win->id = def_win[i].id;
3479                 win->support_3d = def_win[i].support_3d;
3480                 dev_drv->win[i] = win;
3481         }
3482
3483         return 0;
3484 }
3485
3486 static int init_lcdc_device_driver(struct rk_fb *rk_fb,
3487                                    struct rk_lcdc_win *def_win, int index)
3488 {
3489         struct rk_lcdc_driver *dev_drv = rk_fb->lcdc_dev_drv[index];
3490         struct rk_screen *screen = devm_kzalloc(dev_drv->dev,
3491                                                 sizeof(struct rk_screen),
3492                                                 GFP_KERNEL);
3493
3494         if (!screen) {
3495                 dev_err(dev_drv->dev, "malloc screen for lcdc%d fail!",
3496                         dev_drv->id);
3497                 return -ENOMEM;
3498         }
3499
3500         screen->screen_id = 0;
3501         screen->lcdc_id = dev_drv->id;
3502         screen->overscan.left = 100;
3503         screen->overscan.top = 100;
3504         screen->overscan.right = 100;
3505         screen->overscan.bottom = 100;
3506
3507         screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3508         screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3509
3510         dev_drv->screen0 = screen;
3511         dev_drv->cur_screen = screen;
3512         /* devie use one lcdc + rk61x scaler for dual display */
3513         if ((rk_fb->disp_mode == ONE_DUAL) || (rk_fb->disp_mode == NO_DUAL)) {
3514                 struct rk_screen *screen1 =
3515                                 devm_kzalloc(dev_drv->dev,
3516                                              sizeof(struct rk_screen),
3517                                              GFP_KERNEL);
3518                 if (!screen1) {
3519                         dev_err(dev_drv->dev, "malloc screen1 for lcdc%d fail!",
3520                                 dev_drv->id);
3521                         return -ENOMEM;
3522                 }
3523                 screen1->screen_id = 1;
3524                 screen1->lcdc_id = 1;
3525                 dev_drv->screen1 = screen1;
3526         }
3527         sprintf(dev_drv->name, "lcdc%d", dev_drv->id);
3528         init_lcdc_win(dev_drv, def_win);
3529         init_completion(&dev_drv->frame_done);
3530         spin_lock_init(&dev_drv->cpl_lock);
3531         mutex_init(&dev_drv->fb_win_id_mutex);
3532         mutex_init(&dev_drv->win_config);
3533         mutex_init(&dev_drv->front_lock);
3534         dev_drv->ops->fb_win_remap(dev_drv, dev_drv->fb_win_map);
3535         dev_drv->first_frame = 1;
3536         dev_drv->overscan.left = 100;
3537         dev_drv->overscan.top = 100;
3538         dev_drv->overscan.right = 100;
3539         dev_drv->overscan.bottom = 100;
3540         rk_disp_pwr_ctr_parse_dt(dev_drv);
3541         if (dev_drv->prop == PRMRY) {
3542                 rk_fb_set_prmry_screen(screen);
3543                 rk_fb_get_prmry_screen(screen);
3544         }
3545         dev_drv->trsm_ops = rk_fb_trsm_ops_get(screen->type);
3546         if (dev_drv->prop != PRMRY)
3547                 rk_fb_get_prmry_screen(screen);
3548         dev_drv->output_color = screen->color_mode;
3549
3550         return 0;
3551 }
3552
3553 #ifdef CONFIG_LOGO_LINUX_BMP
3554 static struct linux_logo *bmp_logo;
3555 static int fb_prewine_bmp_logo(struct fb_info *info, int rotate)
3556 {
3557         bmp_logo = fb_find_logo(24);
3558         if (bmp_logo == NULL) {
3559                 printk(KERN_INFO "%s error\n", __func__);
3560                 return 0;
3561         }
3562         return 1;
3563 }
3564
3565 static void fb_show_bmp_logo(struct fb_info *info, int rotate)
3566 {
3567         unsigned char *src = bmp_logo->data;
3568         unsigned char *dst = info->screen_base;
3569         int i;
3570         unsigned int Needwidth = (*(src - 24) << 8) | (*(src - 23));
3571         unsigned int Needheight = (*(src - 22) << 8) | (*(src - 21));
3572
3573         for (i = 0; i < Needheight; i++)
3574                 memcpy(dst + info->var.xres * i * 4,
3575                        src + bmp_logo->width * i * 4, Needwidth * 4);
3576 }
3577 #endif
3578
3579 /*
3580  * check if the primary lcdc has registerd,
3581  * the primary lcdc mas register first
3582  */
3583 bool is_prmry_rk_lcdc_registered(void)
3584 {
3585         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3586
3587         if (rk_fb->lcdc_dev_drv[0])
3588                 return true;
3589         else
3590                 return false;
3591 }
3592
3593 int rk_fb_register(struct rk_lcdc_driver *dev_drv,
3594                    struct rk_lcdc_win *win, int id)
3595 {
3596         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3597         struct fb_info *fbi;
3598         struct rk_fb_par *fb_par = NULL;
3599         int i = 0, ret = 0, index = 0;
3600
3601         if (rk_fb->num_lcdc == RK30_MAX_LCDC_SUPPORT)
3602                 return -ENXIO;
3603
3604         for (i = 0; i < RK30_MAX_LCDC_SUPPORT; i++) {
3605                 if (!rk_fb->lcdc_dev_drv[i]) {
3606                         rk_fb->lcdc_dev_drv[i] = dev_drv;
3607                         rk_fb->lcdc_dev_drv[i]->id = id;
3608                         rk_fb->num_lcdc++;
3609                         break;
3610                 }
3611         }
3612
3613         index = i;
3614         init_lcdc_device_driver(rk_fb, win, index);
3615         dev_drv->fb_index_base = rk_fb->num_fb;
3616         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3617                 fbi = framebuffer_alloc(0, &fb_pdev->dev);
3618                 if (!fbi) {
3619                         dev_err(&fb_pdev->dev, "fb framebuffer_alloc fail!");
3620                         ret = -ENOMEM;
3621                 }
3622                 fb_par = devm_kzalloc(&fb_pdev->dev, sizeof(struct rk_fb_par),
3623                                       GFP_KERNEL);
3624                 if (!fb_par) {
3625                         dev_err(&fb_pdev->dev, "malloc fb_par for fb%d fail!",
3626                                 rk_fb->num_fb);
3627                         return -ENOMEM;
3628                 }
3629                 fb_par->id = rk_fb->num_fb;
3630                 fb_par->lcdc_drv = dev_drv;
3631                 fbi->par = (void *)fb_par;
3632                 fbi->var = def_var;
3633                 fbi->fix = def_fix;
3634                 sprintf(fbi->fix.id, "fb%d", rk_fb->num_fb);
3635                 fb_videomode_to_var(&fbi->var, &dev_drv->cur_screen->mode);
3636                 fbi->var.grayscale |=
3637                     (fbi->var.xres << 8) + (fbi->var.yres << 20);
3638 #if defined(CONFIG_LOGO_LINUX_BMP)
3639                 fbi->var.bits_per_pixel = 32;
3640 #else
3641                 fbi->var.bits_per_pixel = 16;
3642 #endif
3643                 fbi->fix.line_length =
3644                     (fbi->var.xres_virtual) * (fbi->var.bits_per_pixel >> 3);
3645                 fbi->var.width = dev_drv->cur_screen->width;
3646                 fbi->var.height = dev_drv->cur_screen->height;
3647                 if (dev_drv->iommu_enabled)
3648                         fb_ops.fb_mmap = rk_fb_mmap;
3649                 fbi->fbops = &fb_ops;
3650                 fbi->flags = FBINFO_FLAG_DEFAULT;
3651                 fbi->pseudo_palette = dev_drv->win[i]->pseudo_pal;
3652                 ret = register_framebuffer(fbi);
3653                 if (ret < 0) {
3654                         dev_err(&fb_pdev->dev,
3655                                 "%s fb%d register_framebuffer fail!\n",
3656                                 __func__, rk_fb->num_fb);
3657                         return ret;
3658                 }
3659                 rkfb_create_sysfs(fbi);
3660                 rk_fb->fb[rk_fb->num_fb] = fbi;
3661                 dev_info(fbi->dev, "rockchip framebuffer registerd:%s\n",
3662                          fbi->fix.id);
3663                 rk_fb->num_fb++;
3664
3665                 if (i == 0) {
3666                         init_waitqueue_head(&dev_drv->vsync_info.wait);
3667                         init_waitqueue_head(&dev_drv->update_regs_wait);
3668                         ret = device_create_file(fbi->dev, &dev_attr_vsync);
3669                         if (ret)
3670                                 dev_err(fbi->dev,
3671                                         "failed to create vsync file\n");
3672                         dev_drv->vsync_info.thread =
3673                             kthread_run(rk_fb_wait_for_vsync_thread, dev_drv,
3674                                         "fb-vsync");
3675                         if (dev_drv->vsync_info.thread == ERR_PTR(-ENOMEM)) {
3676                                 dev_err(fbi->dev,
3677                                         "failed to run vsync thread\n");
3678                                 dev_drv->vsync_info.thread = NULL;
3679                         }
3680                         dev_drv->vsync_info.active = 1;
3681
3682                         mutex_init(&dev_drv->output_lock);
3683
3684                         INIT_LIST_HEAD(&dev_drv->update_regs_list);
3685                         mutex_init(&dev_drv->update_regs_list_lock);
3686                         init_kthread_worker(&dev_drv->update_regs_worker);
3687
3688                         dev_drv->update_regs_thread =
3689                             kthread_run(kthread_worker_fn,
3690                                         &dev_drv->update_regs_worker, "rk-fb");
3691                         if (IS_ERR(dev_drv->update_regs_thread)) {
3692                                 int err = PTR_ERR(dev_drv->update_regs_thread);
3693                                 dev_drv->update_regs_thread = NULL;
3694
3695                                 printk("failed to run update_regs thread\n");
3696                                 return err;
3697                         }
3698                         init_kthread_work(&dev_drv->update_regs_work,
3699                                           rk_fb_update_regs_handler);
3700
3701                         dev_drv->timeline =
3702                             sw_sync_timeline_create("fb-timeline");
3703                         dev_drv->timeline_max = 1;
3704                 }
3705         }
3706
3707         /* show logo for primary display device */
3708 #if !defined(CONFIG_FRAMEBUFFER_CONSOLE)
3709         if (dev_drv->prop == PRMRY) {
3710                 u16 xact, yact;
3711                 int format;
3712                 u32 dsp_addr;
3713                 struct fb_info *main_fbi = rk_fb->fb[0];
3714                 main_fbi->fbops->fb_open(main_fbi, 1);
3715                 main_fbi->var.pixclock = dev_drv->pixclock;
3716 #if defined(CONFIG_ROCKCHIP_IOMMU)
3717                 if (dev_drv->iommu_enabled) {
3718                         if (dev_drv->mmu_dev)
3719                                 rockchip_iovmm_set_fault_handler(dev_drv->dev,
3720                                                 rk_fb_sysmmu_fault_handler);
3721                 }
3722 #endif
3723
3724                 rk_fb_alloc_buffer(main_fbi);   /* only alloc memory for main fb */
3725                 dev_drv->uboot_logo = support_uboot_display();
3726
3727                 if (dev_drv->uboot_logo &&
3728                     uboot_logo_offset && uboot_logo_base) {
3729                         int width, height, bits;
3730                         phys_addr_t start = uboot_logo_base + uboot_logo_offset;
3731                         unsigned int size = uboot_logo_size - uboot_logo_offset;
3732                         unsigned int nr_pages;
3733                         struct page **pages;
3734                         char *vaddr;
3735                         int i = 0;
3736
3737                         if (dev_drv->ops->get_dspbuf_info)
3738                                 dev_drv->ops->get_dspbuf_info(dev_drv, &xact,
3739                                         &yact, &format, &dsp_addr);
3740                         nr_pages = size >> PAGE_SHIFT;
3741                         pages = kzalloc(sizeof(struct page) * nr_pages,
3742                                         GFP_KERNEL);
3743                         while (i < nr_pages) {
3744                                 pages[i] = phys_to_page(start);
3745                                 start += PAGE_SIZE;
3746                                 i++;
3747                         }
3748                         vaddr = vmap(pages, nr_pages, VM_MAP,
3749                                         pgprot_writecombine(PAGE_KERNEL));
3750                         if (!vaddr) {
3751                                 pr_err("failed to vmap phy addr 0x%lx\n",
3752                                        (long)(uboot_logo_base +
3753                                        uboot_logo_offset));
3754                                 return -1;
3755                         }
3756
3757                         if(bmpdecoder(vaddr, main_fbi->screen_base, &width,
3758                                       &height, &bits)) {
3759                                 kfree(pages);
3760                                 vunmap(vaddr);
3761                                 return 0;
3762                         }
3763                         kfree(pages);
3764                         vunmap(vaddr);
3765                         if (dev_drv->uboot_logo &&
3766                             (width != xact || height != yact)) {
3767                                 pr_err("can't support uboot kernel logo use different size [%dx%d] != [%dx%d]\n",
3768                                         xact, yact, width, height);
3769                                 return 0;
3770                         }
3771
3772                         if (dev_drv->ops->post_dspbuf) {
3773                                 dev_drv->ops->post_dspbuf(dev_drv,
3774                                         main_fbi->fix.smem_start,
3775                                         rk_fb_data_fmt(0, bits),
3776                                         width, height, width * bits >> 5);
3777                         }
3778                         if (dev_drv->iommu_enabled) {
3779                                 rk_fb_poll_wait_frame_complete();
3780                                 if (dev_drv->ops->mmu_en)
3781                                         dev_drv->ops->mmu_en(dev_drv);
3782                                 freed_index = 0;
3783                         }
3784
3785                         return 0;
3786                 } else if (dev_drv->uboot_logo && uboot_logo_base) {
3787                         u32 start = uboot_logo_base;
3788                         u32 start_base = start;
3789                         int logo_len, i=0;
3790                         unsigned int nr_pages;
3791                         struct page **pages;
3792                         char *vaddr;
3793
3794                         dev_drv->ops->get_dspbuf_info(dev_drv, &xact,
3795                                                       &yact, &format,
3796                                                       &start);
3797                         logo_len = rk_fb_pixel_width(format) * xact * yact >> 3;
3798                         if (logo_len > uboot_logo_size ||
3799                             logo_len > main_fbi->fix.smem_len) {
3800                                 pr_err("logo size > uboot reserve buffer size\n");
3801                                 return -1;
3802                         }
3803
3804                         nr_pages = uboot_logo_size >> PAGE_SHIFT;
3805                         pages = kzalloc(sizeof(struct page) * nr_pages,
3806                                         GFP_KERNEL);
3807                         while (i < nr_pages) {
3808                                 pages[i] = phys_to_page(start);
3809                                 start += PAGE_SIZE;
3810                                 i++;
3811                         }
3812                         vaddr = vmap(pages, nr_pages, VM_MAP,
3813                                         pgprot_writecombine(PAGE_KERNEL));
3814                         if (!vaddr) {
3815                                 pr_err("failed to vmap phy addr 0x%x\n",
3816                                        start_base);
3817                                 return -1;
3818                         }
3819
3820                         memcpy(main_fbi->screen_base, vaddr, logo_len);
3821
3822                         kfree(pages);
3823                         vunmap(vaddr);
3824
3825                         dev_drv->ops->post_dspbuf(dev_drv,
3826                                         main_fbi->fix.smem_start,
3827                                         format, xact, yact,
3828                                         xact * rk_fb_pixel_width(format) >> 5);
3829                         if (dev_drv->iommu_enabled) {
3830                                 rk_fb_poll_wait_frame_complete();
3831                                 if (dev_drv->ops->mmu_en)
3832                                         dev_drv->ops->mmu_en(dev_drv);
3833                                 freed_index = 0;
3834                         }
3835                         return 0;
3836                 } else {
3837                         if (dev_drv->iommu_enabled) {
3838                                 if (dev_drv->ops->mmu_en)
3839                                         dev_drv->ops->mmu_en(dev_drv);
3840                                 freed_index = 0;
3841                         }
3842                 }
3843 #if defined(CONFIG_LOGO)
3844                 main_fbi->fbops->fb_set_par(main_fbi);
3845 #if  defined(CONFIG_LOGO_LINUX_BMP)
3846                 if (fb_prewine_bmp_logo(main_fbi, FB_ROTATE_UR)) {
3847                         fb_set_cmap(&main_fbi->cmap, main_fbi);
3848                         fb_show_bmp_logo(main_fbi, FB_ROTATE_UR);
3849                 }
3850 #else
3851                 if (fb_prepare_logo(main_fbi, FB_ROTATE_UR)) {
3852                         fb_set_cmap(&main_fbi->cmap, main_fbi);
3853                         fb_show_logo(main_fbi, FB_ROTATE_UR);
3854                 }
3855 #endif
3856                 main_fbi->fbops->fb_pan_display(&main_fbi->var, main_fbi);
3857 #endif
3858         } else {
3859                 struct fb_info *extend_fbi = rk_fb->fb[rk_fb->num_fb >> 1];
3860                 extend_fbi->var.pixclock = rk_fb->fb[0]->var.pixclock;
3861                 rk_fb_alloc_buffer(extend_fbi);
3862         }
3863 #endif
3864         return 0;
3865 }
3866
3867 int rk_fb_unregister(struct rk_lcdc_driver *dev_drv)
3868 {
3869         struct rk_fb *fb_inf = platform_get_drvdata(fb_pdev);
3870         struct fb_info *fbi;
3871         int fb_index_base = dev_drv->fb_index_base;
3872         int fb_num = dev_drv->lcdc_win_num;
3873         int i = 0;
3874
3875         if (fb_inf->lcdc_dev_drv[i]->vsync_info.thread) {
3876                 fb_inf->lcdc_dev_drv[i]->vsync_info.irq_stop = 1;
3877                 kthread_stop(fb_inf->lcdc_dev_drv[i]->vsync_info.thread);
3878         }
3879
3880         for (i = 0; i < fb_num; i++)
3881                 kfree(dev_drv->win[i]);
3882
3883         for (i = fb_index_base; i < (fb_index_base + fb_num); i++) {
3884                 fbi = fb_inf->fb[i];
3885                 unregister_framebuffer(fbi);
3886                 /* rk_release_fb_buffer(fbi); */
3887                 framebuffer_release(fbi);
3888         }
3889         fb_inf->lcdc_dev_drv[dev_drv->id] = NULL;
3890         fb_inf->num_lcdc--;
3891
3892         return 0;
3893 }
3894
3895 static int rk_fb_probe(struct platform_device *pdev)
3896 {
3897         struct rk_fb *rk_fb = NULL;
3898         struct device_node *np = pdev->dev.of_node;
3899         u32 mode;
3900
3901         if (!np) {
3902                 dev_err(&pdev->dev, "Missing device tree node.\n");
3903                 return -EINVAL;
3904         }
3905
3906         rk_fb = devm_kzalloc(&pdev->dev, sizeof(struct rk_fb), GFP_KERNEL);
3907         if (!rk_fb) {
3908                 dev_err(&pdev->dev, "kmalloc for rk fb fail!");
3909                 return -ENOMEM;
3910         }
3911         platform_set_drvdata(pdev, rk_fb);
3912
3913         if (!of_property_read_u32(np, "rockchip,disp-mode", &mode)) {
3914                 rk_fb->disp_mode = mode;
3915
3916         } else {
3917                 dev_err(&pdev->dev, "no disp-mode node found!");
3918                 return -ENODEV;
3919         }
3920
3921         if (!of_property_read_u32(np, "rockchip,disp-policy", &mode)) {
3922                 rk_fb->disp_policy = mode;
3923                 pr_info("fb disp policy is %s\n", rk_fb->disp_policy ? "box":"sdk");
3924         }
3925
3926         if (!of_property_read_u32(np, "rockchip,uboot-logo-on", &uboot_logo_on))
3927                 printk(KERN_DEBUG "uboot-logo-on:%d\n", uboot_logo_on);
3928
3929         dev_set_name(&pdev->dev, "rockchip-fb");
3930 #if defined(CONFIG_ION_ROCKCHIP)
3931         rk_fb->ion_client = rockchip_ion_client_create("rk_fb");
3932         if (IS_ERR(rk_fb->ion_client)) {
3933                 dev_err(&pdev->dev, "failed to create ion client for rk fb");
3934                 return PTR_ERR(rk_fb->ion_client);
3935         } else {
3936                 dev_info(&pdev->dev, "rk fb ion client create success!\n");
3937         }
3938 #endif
3939
3940         fb_pdev = pdev;
3941         dev_info(&pdev->dev, "rockchip framebuffer driver probe\n");
3942         return 0;
3943 }
3944
3945 static int rk_fb_remove(struct platform_device *pdev)
3946 {
3947         struct rk_fb *rk_fb = platform_get_drvdata(pdev);
3948
3949         kfree(rk_fb);
3950         platform_set_drvdata(pdev, NULL);
3951         return 0;
3952 }
3953
3954 static void rk_fb_shutdown(struct platform_device *pdev)
3955 {
3956         struct rk_fb *rk_fb = platform_get_drvdata(pdev);
3957         int i;
3958
3959         for (i = 0; i < rk_fb->num_lcdc; i++) {
3960                 if (!rk_fb->lcdc_dev_drv[i])
3961                         continue;
3962         }
3963 }
3964
3965 static const struct of_device_id rkfb_dt_ids[] = {
3966         {.compatible = "rockchip,rk-fb",},
3967         {}
3968 };
3969
3970 static struct platform_driver rk_fb_driver = {
3971         .probe = rk_fb_probe,
3972         .remove = rk_fb_remove,
3973         .driver = {
3974                    .name = "rk-fb",
3975                    .owner = THIS_MODULE,
3976                    .of_match_table = of_match_ptr(rkfb_dt_ids),
3977                    },
3978         .shutdown = rk_fb_shutdown,
3979 };
3980
3981 static int __init rk_fb_init(void)
3982 {
3983         return platform_driver_register(&rk_fb_driver);
3984 }
3985
3986 static void __exit rk_fb_exit(void)
3987 {
3988         platform_driver_unregister(&rk_fb_driver);
3989 }
3990
3991 fs_initcall(rk_fb_init);
3992 module_exit(rk_fb_exit);