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 #include <linux/of_address.h>
  35 #include <linux/memblock.h>
  36
  37 #include "bmp_helper.h"
  38
  39 #if defined(CONFIG_RK_HDMI)
  40 #include "hdmi/rockchip-hdmi.h"
  41 #endif
  42
  43 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
  44 #include "rga/rga.h"
  45 #endif
  46
  47 #ifdef CONFIG_OF
  48 #include <linux/of.h>
  49 #include <linux/of_platform.h>
  50 #include <linux/of_gpio.h>
  51 #include <video/of_display_timing.h>
  52 #include <video/display_timing.h>
  53 #endif
  54
  55 #if defined(CONFIG_ION_ROCKCHIP)
  56 #include <linux/rockchip_ion.h>
  57 #include <linux/rockchip-iovmm.h>
  58 #include <linux/dma-buf.h>
  59 #include <linux/highmem.h>
  60 #endif
  61
  62 #define H_USE_FENCE 1
  63 /* #define FB_ROATE_BY_KERNEL 1 */
  64
  65 static int hdmi_switch_state;
  66 static struct platform_device *fb_pdev;
  67
  68 #if defined(CONFIG_FB_MIRRORING)
  69 int (*video_data_to_mirroring)(struct fb_info *info, u32 yuv_phy[2]);
  70 EXPORT_SYMBOL(video_data_to_mirroring);
  71 #endif
  72
  73 extern phys_addr_t uboot_logo_base;
  74 extern phys_addr_t uboot_logo_size;
  75 extern phys_addr_t uboot_logo_offset;
  76 static struct rk_fb_trsm_ops *trsm_lvds_ops;
  77 static struct rk_fb_trsm_ops *trsm_edp_ops;
  78 static struct rk_fb_trsm_ops *trsm_mipi_ops;
  79 static int uboot_logo_on;
  80
  81 static int rk_fb_debug_lvl;
  82 static int rk_fb_iommu_debug;
  83 module_param(rk_fb_debug_lvl, int, S_IRUGO | S_IWUSR);
  84 module_param(rk_fb_iommu_debug, int, S_IRUGO | S_IWUSR);
  85
  86 #define rk_fb_dbg(level, x...) do {             \
  87         if (unlikely(rk_fb_debug_lvl >= level)) \
  88                 pr_info(x);                     \
  89         } while (0)
  90 static int rk_fb_config_debug(struct rk_lcdc_driver *dev_drv,
  91                               struct rk_fb_win_cfg_data *win_data,
  92                               struct rk_fb_reg_data *regs, u32 cmd);
  93 static int car_reversing;
  94
  95 static int is_car_camcap(void) {
  96         return car_reversing && strcmp("camcap", current->comm);
  97 }
  98
  99 int support_uboot_display(void)
 100 {
 101         return uboot_logo_on;
 102 }
 103
 104 int rk_fb_get_display_policy(void)
 105 {
 106         struct rk_fb *rk_fb;
 107
 108         if (fb_pdev) {
 109                 rk_fb = platform_get_drvdata(fb_pdev);
 110                 return rk_fb->disp_policy;
 111         } else {
 112                 return DISPLAY_POLICY_SDK;
 113         }
 114 }
 115
 116 int rk_fb_trsm_ops_register(struct rk_fb_trsm_ops *ops, int type)
 117 {
 118         switch (type) {
 119         case SCREEN_RGB:
 120         case SCREEN_LVDS:
 121         case SCREEN_DUAL_LVDS:
 122         case SCREEN_LVDS_10BIT:
 123         case SCREEN_DUAL_LVDS_10BIT:
 124                 trsm_lvds_ops = ops;
 125                 break;
 126         case SCREEN_EDP:
 127                 trsm_edp_ops = ops;
 128                 break;
 129         case SCREEN_MIPI:
 130         case SCREEN_DUAL_MIPI:
 131                 trsm_mipi_ops = ops;
 132                 break;
 133         default:
 134                 pr_warn("%s: unsupported transmitter: %d!\n",
 135                         __func__, type);
 136                 break;
 137         }
 138         return 0;
 139 }
 140
 141 struct rk_fb_trsm_ops *rk_fb_trsm_ops_get(int type)
 142 {
 143         struct rk_fb_trsm_ops *ops;
 144
 145         switch (type) {
 146         case SCREEN_RGB:
 147         case SCREEN_LVDS:
 148         case SCREEN_DUAL_LVDS:
 149         case SCREEN_LVDS_10BIT:
 150         case SCREEN_DUAL_LVDS_10BIT:
 151                 ops = trsm_lvds_ops;
 152                 break;
 153         case SCREEN_EDP:
 154                 ops = trsm_edp_ops;
 155                 break;
 156         case SCREEN_MIPI:
 157         case SCREEN_DUAL_MIPI:
 158                 ops = trsm_mipi_ops;
 159                 break;
 160         default:
 161                 ops = NULL;
 162                 pr_warn("%s: unsupported transmitter: %d!\n",
 163                         __func__, type);
 164                 break;
 165         }
 166         return ops;
 167 }
 168
 169 int rk_fb_pixel_width(int data_format)
 170 {
 171         int pixel_width;
 172
 173         switch (data_format) {
 174         case XBGR888:
 175         case XRGB888:
 176         case ABGR888:
 177         case ARGB888:
 178         case FBDC_ARGB_888:
 179         case FBDC_ABGR_888:
 180         case FBDC_RGBX_888:
 181                 pixel_width = 4 * 8;
 182                 break;
 183         case RGB888:
 184         case BGR888:
 185                 pixel_width = 3 * 8;
 186                 break;
 187         case RGB565:
 188         case BGR565:
 189         case FBDC_RGB_565:
 190                 pixel_width = 2 * 8;
 191                 break;
 192         case YUV422:
 193         case YUV420:
 194         case YUV420_NV21:
 195         case YUV444:
 196                 pixel_width = 1 * 8;
 197                 break;
 198         case YUV422_A:
 199         case YUV420_A:
 200         case YUV444_A:
 201                 pixel_width = 8;
 202                 break;
 203         case YUYV422:
 204         case UYVY422:
 205         case YUYV420:
 206         case UYVY420:
 207                 pixel_width = 16;
 208                 break;
 209         default:
 210                 pr_warn("%s: unsupported format: 0x%x\n",
 211                         __func__, data_format);
 212                 return -EINVAL;
 213         }
 214         return pixel_width;
 215 }
 216
 217 static int rk_fb_data_fmt(int data_format, int bits_per_pixel)
 218 {
 219         int fb_data_fmt = 0;
 220
 221         if (data_format) {
 222                 switch (data_format) {
 223                 case HAL_PIXEL_FORMAT_RGBX_8888:
 224                         fb_data_fmt = XBGR888;
 225                         break;
 226                 case HAL_PIXEL_FORMAT_BGRX_8888:
 227                         fb_data_fmt = XRGB888;
 228                         break;
 229                 case HAL_PIXEL_FORMAT_RGBA_8888:
 230                         fb_data_fmt = ABGR888;
 231                         break;
 232                 case HAL_PIXEL_FORMAT_BGRA_8888:
 233                         fb_data_fmt = ARGB888;
 234                         break;
 235                 case HAL_PIXEL_FORMAT_RGB_888:
 236                         fb_data_fmt = RGB888;
 237                         break;
 238                 case HAL_PIXEL_FORMAT_BGR_888:
 239                         fb_data_fmt = BGR888;
 240                         break;
 241                 case HAL_PIXEL_FORMAT_RGB_565:
 242                         fb_data_fmt = RGB565;
 243                         break;
 244                 case HAL_PIXEL_FORMAT_BGR_565:
 245                         fb_data_fmt = BGR565;
 246                         break;
 247                 case HAL_PIXEL_FORMAT_YCbCr_422_SP:     /* yuv422 */
 248                         fb_data_fmt = YUV422;
 249                         break;
 250                 case HAL_PIXEL_FORMAT_YCrCb_420_SP:     /* YUV420---vuvuvu */
 251                         fb_data_fmt = YUV420_NV21;
 252                         break;
 253                 case HAL_PIXEL_FORMAT_YCrCb_NV12:       /* YUV420---uvuvuv */
 254                         fb_data_fmt = YUV420;
 255                         break;
 256                 case HAL_PIXEL_FORMAT_YCrCb_444:        /* yuv444 */
 257                         fb_data_fmt = YUV444;
 258                         break;
 259                 case HAL_PIXEL_FORMAT_YCrCb_NV12_10:    /* yuv444 */
 260                         fb_data_fmt = YUV420_A;
 261                         break;
 262                 case HAL_PIXEL_FORMAT_YCbCr_422_SP_10:  /* yuv444 */
 263                         fb_data_fmt = YUV422_A;
 264                         break;
 265                 case HAL_PIXEL_FORMAT_YCrCb_444_SP_10:  /* yuv444 */
 266                         fb_data_fmt = YUV444_A;
 267                         break;
 268                 case HAL_PIXEL_FORMAT_FBDC_RGB565:      /* fbdc rgb565*/
 269                         fb_data_fmt = FBDC_RGB_565;
 270                         break;
 271                 case HAL_PIXEL_FORMAT_FBDC_U8U8U8U8:    /* fbdc argb888 */
 272                         fb_data_fmt = FBDC_ARGB_888;
 273                         break;
 274                 case HAL_PIXEL_FORMAT_FBDC_RGBA888:     /* fbdc abgr888 */
 275                         fb_data_fmt = FBDC_ABGR_888;
 276                         break;
 277                 case HAL_PIXEL_FORMAT_FBDC_U8U8U8:      /* fbdc rgb888 */
 278                         fb_data_fmt = FBDC_RGBX_888;
 279                         break;
 280                 case HAL_PIXEL_FORMAT_YUYV422:          /* yuyv422 */
 281                         fb_data_fmt = YUYV422;
 282                         break;
 283                 case HAL_PIXEL_FORMAT_YUYV420:          /* yuyv420 */
 284                         fb_data_fmt = YUYV420;
 285                         break;
 286                 case HAL_PIXEL_FORMAT_UYVY422:          /* uyvy422 */
 287                         fb_data_fmt = UYVY422;
 288                         break;
 289                 case HAL_PIXEL_FORMAT_UYVY420:          /* uyvy420 */
 290                         fb_data_fmt = UYVY420;
 291                         break;
 292                 default:
 293                         pr_warn("%s: unsupported format: 0x%x\n",
 294                                 __func__, data_format);
 295                         return -EINVAL;
 296                 }
 297         } else {
 298                 switch (bits_per_pixel) {
 299                 case 32:
 300                         fb_data_fmt = ARGB888;
 301                         break;
 302                 case 24:
 303                         fb_data_fmt = RGB888;
 304                         break;
 305                 case 16:
 306                         fb_data_fmt = RGB565;
 307                         break;
 308                 default:
 309                         pr_warn("%s: unsupported bits_per_pixel: %d\n",
 310                                 __func__, bits_per_pixel);
 311                         break;
 312                 }
 313         }
 314         return fb_data_fmt;
 315 }
 316
 317 /*
 318  * rk display power control parse from dts
 319  */
 320 int rk_disp_pwr_ctr_parse_dt(struct rk_lcdc_driver *dev_drv)
 321 {
 322         struct device_node *root = of_get_child_by_name(dev_drv->dev->of_node,
 323                                                         "power_ctr");
 324         struct device_node *child;
 325         struct rk_disp_pwr_ctr_list *pwr_ctr;
 326         struct list_head *pos;
 327         enum of_gpio_flags flags;
 328         u32 val = 0;
 329         u32 debug = 0;
 330         int ret;
 331
 332         INIT_LIST_HEAD(&dev_drv->pwrlist_head);
 333         if (!root) {
 334                 dev_err(dev_drv->dev, "can't find power_ctr node for lcdc%d\n",
 335                         dev_drv->id);
 336                 return -ENODEV;
 337         }
 338
 339         for_each_child_of_node(root, child) {
 340                 pwr_ctr = kmalloc(sizeof(struct rk_disp_pwr_ctr_list),
 341                                   GFP_KERNEL);
 342                 if (!pwr_ctr)
 343                         return -ENOMEM;
 344                 strcpy(pwr_ctr->pwr_ctr.name, child->name);
 345                 if (!of_property_read_u32(child, "rockchip,power_type", &val)) {
 346                         if (val == GPIO) {
 347                                 pwr_ctr->pwr_ctr.type = GPIO;
 348                                 pwr_ctr->pwr_ctr.gpio = of_get_gpio_flags(child, 0, &flags);
 349                                 if (!gpio_is_valid(pwr_ctr->pwr_ctr.gpio)) {
 350                                         dev_err(dev_drv->dev, "%s ivalid gpio\n",
 351                                                 child->name);
 352                                         return -EINVAL;
 353                                 }
 354                                 pwr_ctr->pwr_ctr.atv_val = !(flags & OF_GPIO_ACTIVE_LOW);
 355                                 ret = gpio_request(pwr_ctr->pwr_ctr.gpio,
 356                                                    child->name);
 357                                 if (ret) {
 358                                         dev_err(dev_drv->dev,
 359                                                 "request %s gpio fail:%d\n",
 360                                                 child->name, ret);
 361                                 }
 362
 363                         } else {
 364                                 pwr_ctr->pwr_ctr.type = REGULATOR;
 365                                 pwr_ctr->pwr_ctr.rgl_name = NULL;
 366                                 ret = of_property_read_string(child, "rockchip,regulator_name",
 367                                                               &(pwr_ctr->pwr_ctr.rgl_name));
 368                                 if (ret || IS_ERR_OR_NULL(pwr_ctr->pwr_ctr.rgl_name))
 369                                         dev_err(dev_drv->dev, "get regulator name failed!\n");
 370                                 if (!of_property_read_u32(child, "rockchip,regulator_voltage", &val))
 371                                         pwr_ctr->pwr_ctr.volt = val;
 372                                 else
 373                                         pwr_ctr->pwr_ctr.volt = 0;
 374                         }
 375                 };
 376
 377                 if (!of_property_read_u32(child, "rockchip,delay", &val))
 378                         pwr_ctr->pwr_ctr.delay = val;
 379                 else
 380                         pwr_ctr->pwr_ctr.delay = 0;
 381                 list_add_tail(&pwr_ctr->list, &dev_drv->pwrlist_head);
 382         }
 383
 384         of_property_read_u32(root, "rockchip,debug", &debug);
 385
 386         if (debug) {
 387                 list_for_each(pos, &dev_drv->pwrlist_head) {
 388                         pwr_ctr = list_entry(pos, struct rk_disp_pwr_ctr_list,
 389                                              list);
 390                         pr_info("pwr_ctr_name:%s\n"
 391                                 "pwr_type:%s\n"
 392                                 "gpio:%d\n"
 393                                 "atv_val:%d\n"
 394                                 "delay:%d\n\n",
 395                                 pwr_ctr->pwr_ctr.name,
 396                                 (pwr_ctr->pwr_ctr.type == GPIO) ? "gpio" : "regulator",
 397                                 pwr_ctr->pwr_ctr.gpio,
 398                                 pwr_ctr->pwr_ctr.atv_val,
 399                                 pwr_ctr->pwr_ctr.delay);
 400                 }
 401         }
 402
 403         return 0;
 404 }
 405
 406 int rk_disp_pwr_enable(struct rk_lcdc_driver *dev_drv)
 407 {
 408         struct list_head *pos;
 409         struct rk_disp_pwr_ctr_list *pwr_ctr_list;
 410         struct pwr_ctr *pwr_ctr;
 411         struct regulator *regulator_lcd = NULL;
 412         int count = 10;
 413
 414         if (list_empty(&dev_drv->pwrlist_head))
 415                 return 0;
 416         list_for_each(pos, &dev_drv->pwrlist_head) {
 417                 pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list,
 418                                           list);
 419                 pwr_ctr = &pwr_ctr_list->pwr_ctr;
 420                 if (pwr_ctr->type == GPIO) {
 421                         gpio_direction_output(pwr_ctr->gpio, pwr_ctr->atv_val);
 422                         mdelay(pwr_ctr->delay);
 423                 } else if (pwr_ctr->type == REGULATOR) {
 424                         if (pwr_ctr->rgl_name)
 425                                 regulator_lcd =
 426                                         regulator_get(NULL, pwr_ctr->rgl_name);
 427                         if (regulator_lcd == NULL) {
 428                                 dev_err(dev_drv->dev,
 429                                         "%s: regulator get failed,regulator name:%s\n",
 430                                         __func__, pwr_ctr->rgl_name);
 431                                 continue;
 432                         }
 433                         regulator_set_voltage(regulator_lcd, pwr_ctr->volt, pwr_ctr->volt);
 434                         while (!regulator_is_enabled(regulator_lcd)) {
 435                                 if (regulator_enable(regulator_lcd) == 0 || count == 0)
 436                                         break;
 437                                 else
 438                                         dev_err(dev_drv->dev,
 439                                                 "regulator_enable failed,count=%d\n",
 440                                                 count);
 441                                 count--;
 442                         }
 443                         regulator_put(regulator_lcd);
 444                         msleep(pwr_ctr->delay);
 445                 }
 446         }
 447
 448         return 0;
 449 }
 450
 451 int rk_disp_pwr_disable(struct rk_lcdc_driver *dev_drv)
 452 {
 453         struct list_head *pos;
 454         struct rk_disp_pwr_ctr_list *pwr_ctr_list;
 455         struct pwr_ctr *pwr_ctr;
 456         struct regulator *regulator_lcd = NULL;
 457         int count = 10;
 458
 459         if (list_empty(&dev_drv->pwrlist_head))
 460                 return 0;
 461         list_for_each(pos, &dev_drv->pwrlist_head) {
 462                 pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list,
 463                                           list);
 464                 pwr_ctr = &pwr_ctr_list->pwr_ctr;
 465                 if (pwr_ctr->type == GPIO) {
 466                         gpio_set_value(pwr_ctr->gpio, !pwr_ctr->atv_val);
 467                 } else if (pwr_ctr->type == REGULATOR) {
 468                         if (pwr_ctr->rgl_name)
 469                                 regulator_lcd = regulator_get(NULL, pwr_ctr->rgl_name);
 470                         if (regulator_lcd == NULL) {
 471                                 dev_err(dev_drv->dev,
 472                                         "%s: regulator get failed,regulator name:%s\n",
 473                                         __func__, pwr_ctr->rgl_name);
 474                                 continue;
 475                         }
 476                         while (regulator_is_enabled(regulator_lcd) > 0) {
 477                                 if (regulator_disable(regulator_lcd) == 0 ||
 478                                     count == 0)
 479                                         break;
 480                                 else
 481                                         dev_err(dev_drv->dev,
 482                                                 "regulator_disable failed,count=%d\n",
 483                                                 count);
 484                                 count--;
 485                         }
 486                         regulator_put(regulator_lcd);
 487                 }
 488         }
 489         return 0;
 490 }
 491
 492 int rk_fb_video_mode_from_timing(const struct display_timing *dt,
 493                                  struct rk_screen *screen)
 494 {
 495         screen->mode.pixclock = dt->pixelclock.typ;
 496         screen->mode.left_margin = dt->hback_porch.typ;
 497         screen->mode.right_margin = dt->hfront_porch.typ;
 498         screen->mode.xres = dt->hactive.typ;
 499         screen->mode.hsync_len = dt->hsync_len.typ;
 500         screen->mode.upper_margin = dt->vback_porch.typ;
 501         screen->mode.lower_margin = dt->vfront_porch.typ;
 502         screen->mode.yres = dt->vactive.typ;
 503         screen->mode.vsync_len = dt->vsync_len.typ;
 504         screen->type = dt->screen_type;
 505         screen->refresh_mode = dt->refresh_mode;
 506         screen->lvds_format = dt->lvds_format;
 507         screen->face = dt->face;
 508         screen->color_mode = dt->color_mode;
 509         screen->width = dt->screen_widt;
 510         screen->height = dt->screen_hight;
 511         screen->dsp_lut = dt->dsp_lut;
 512         screen->cabc_lut = dt->cabc_lut;
 513         screen->cabc_gamma_base = dt->cabc_gamma_base;
 514
 515         if (dt->flags & DISPLAY_FLAGS_INTERLACED)
 516                 screen->mode.vmode |= FB_VMODE_INTERLACED;
 517         if (dt->flags & DISPLAY_FLAGS_PIXDATA_POSEDGE)
 518                 screen->pin_dclk = 1;
 519         else
 520                 screen->pin_dclk = 0;
 521         if (dt->flags & DISPLAY_FLAGS_HSYNC_HIGH)
 522                 screen->pin_hsync = 1;
 523         else
 524                 screen->pin_hsync = 0;
 525         if (dt->flags & DISPLAY_FLAGS_VSYNC_HIGH)
 526                 screen->pin_vsync = 1;
 527         else
 528                 screen->pin_vsync = 0;
 529         if (dt->flags & DISPLAY_FLAGS_DE_HIGH)
 530                 screen->pin_den = 1;
 531         else
 532                 screen->pin_den = 0;
 533
 534         return 0;
 535 }
 536
 537 int rk_fb_prase_timing_dt(struct device_node *np, struct rk_screen *screen)
 538 {
 539         struct display_timings *disp_timing;
 540         struct display_timing *dt;
 541
 542         disp_timing = of_get_display_timings(np);
 543         if (!disp_timing) {
 544                 pr_err("parse display timing err\n");
 545                 return -EINVAL;
 546         }
 547         dt = display_timings_get(disp_timing, disp_timing->native_mode);
 548         rk_fb_video_mode_from_timing(dt, screen);
 549
 550         return 0;
 551 }
 552
 553 int rk_fb_calc_fps(struct rk_screen *screen, u32 pixclock)
 554 {
 555         int x, y;
 556         unsigned long long hz;
 557
 558         if (!screen) {
 559                 pr_err("%s:null screen!\n", __func__);
 560                 return 0;
 561         }
 562         x = screen->mode.xres + screen->mode.left_margin +
 563             screen->mode.right_margin + screen->mode.hsync_len;
 564         y = screen->mode.yres + screen->mode.upper_margin +
 565             screen->mode.lower_margin + screen->mode.vsync_len;
 566
 567         hz = 1000000000000ULL;  /* 1e12 picoseconds per second */
 568
 569         hz += (x * y) / 2;
 570         do_div(hz, x * y);      /* divide by x * y with rounding */
 571
 572         hz += pixclock / 2;
 573         do_div(hz, pixclock);   /* divide by pixclock with rounding */
 574
 575         return hz;
 576 }
 577
 578 char *get_format_string(enum data_format format, char *fmt)
 579 {
 580         if (!fmt)
 581                 return NULL;
 582         switch (format) {
 583         case ARGB888:
 584                 strcpy(fmt, "ARGB888");
 585                 break;
 586         case RGB888:
 587                 strcpy(fmt, "RGB888");
 588                 break;
 589         case BGR888:
 590                 strcpy(fmt, "BGR888");
 591                 break;
 592         case RGB565:
 593                 strcpy(fmt, "RGB565");
 594                 break;
 595         case BGR565:
 596                 strcpy(fmt, "BGR565");
 597                 break;
 598         case YUV420:
 599         case YUV420_NV21:
 600                 strcpy(fmt, "YUV420");
 601                 break;
 602         case YUV422:
 603                 strcpy(fmt, "YUV422");
 604                 break;
 605         case YUV444:
 606                 strcpy(fmt, "YUV444");
 607                 break;
 608         case YUV420_A:
 609                 strcpy(fmt, "YUV420_A");
 610                 break;
 611         case YUV422_A:
 612                 strcpy(fmt, "YUV422_A");
 613                 break;
 614         case YUV444_A:
 615                 strcpy(fmt, "YUV444_A");
 616                 break;
 617         case XRGB888:
 618                 strcpy(fmt, "XRGB888");
 619                 break;
 620         case XBGR888:
 621                 strcpy(fmt, "XBGR888");
 622                 break;
 623         case ABGR888:
 624                 strcpy(fmt, "ABGR888");
 625                 break;
 626         case FBDC_RGB_565:
 627                 strcpy(fmt, "FBDC_RGB_565");
 628                 break;
 629         case FBDC_ARGB_888:
 630         case FBDC_ABGR_888:
 631                 strcpy(fmt, "FBDC_ARGB_888");
 632                 break;
 633         case FBDC_RGBX_888:
 634                 strcpy(fmt, "FBDC_RGBX_888");
 635                 break;
 636         case YUYV422:
 637                 strcpy(fmt, "YUYV422");
 638                 break;
 639         case YUYV420:
 640                 strcpy(fmt, "YUYV420");
 641                 break;
 642         case UYVY422:
 643                 strcpy(fmt, "UYVY422");
 644                 break;
 645         case UYVY420:
 646                 strcpy(fmt, "UYVY420");
 647                 break;
 648         default:
 649                 strcpy(fmt, "invalid");
 650                 break;
 651         }
 652
 653         return fmt;
 654 }
 655
 656 int rk_fb_set_vop_pwm(void)
 657 {
 658         int i = 0;
 659         struct rk_fb *inf = NULL;
 660         struct rk_lcdc_driver *dev_drv = NULL;
 661
 662         if (likely(fb_pdev))
 663                 inf = platform_get_drvdata(fb_pdev);
 664         else
 665                 return -1;
 666
 667         for (i = 0; i < inf->num_lcdc; i++) {
 668                 if (inf->lcdc_dev_drv[i]->cabc_mode == 1) {
 669                         dev_drv = inf->lcdc_dev_drv[i];
 670                         break;
 671                 }
 672         }
 673
 674         if (!dev_drv)
 675                 return -1;
 676
 677         mutex_lock(&dev_drv->win_config);
 678         if (dev_drv->ops->extern_func)
 679                 dev_drv->ops->extern_func(dev_drv, UPDATE_CABC_PWM);
 680         mutex_unlock(&dev_drv->win_config);
 681
 682         return 0;
 683 }
 684
 685 /*
 686  * this is for hdmi
 687  * name: lcdc device name ,lcdc0 , lcdc1
 688  */
 689 struct rk_lcdc_driver *rk_get_lcdc_drv(char *name)
 690 {
 691         struct rk_fb *inf = NULL;
 692         struct rk_lcdc_driver *dev_drv = NULL;
 693         int i = 0;
 694
 695         if (likely(fb_pdev))
 696                 inf = platform_get_drvdata(fb_pdev);
 697         else
 698                 return NULL;
 699
 700         for (i = 0; i < inf->num_lcdc; i++) {
 701                 if (!strcmp(inf->lcdc_dev_drv[i]->name, name)) {
 702                         dev_drv = inf->lcdc_dev_drv[i];
 703                         break;
 704                 }
 705         }
 706
 707         return dev_drv;
 708 }
 709
 710 static struct rk_lcdc_driver *rk_get_prmry_lcdc_drv(void)
 711 {
 712         struct rk_fb *inf = NULL;
 713         struct rk_lcdc_driver *dev_drv = NULL;
 714         int i = 0;
 715
 716         if (likely(fb_pdev))
 717                 inf = platform_get_drvdata(fb_pdev);
 718         else
 719                 return NULL;
 720
 721         for (i = 0; i < inf->num_lcdc; i++) {
 722                 if (inf->lcdc_dev_drv[i]->prop == PRMRY) {
 723                         dev_drv = inf->lcdc_dev_drv[i];
 724                         break;
 725                 }
 726         }
 727
 728         return dev_drv;
 729 }
 730
 731 static __maybe_unused struct rk_lcdc_driver *rk_get_extend_lcdc_drv(void)
 732 {
 733         struct rk_fb *inf = NULL;
 734         struct rk_lcdc_driver *dev_drv = NULL;
 735         int i = 0;
 736
 737         if (likely(fb_pdev))
 738                 inf = platform_get_drvdata(fb_pdev);
 739         else
 740                 return NULL;
 741
 742         for (i = 0; i < inf->num_lcdc; i++) {
 743                 if (inf->lcdc_dev_drv[i]->prop == EXTEND) {
 744                         dev_drv = inf->lcdc_dev_drv[i];
 745                         break;
 746                 }
 747         }
 748
 749         return dev_drv;
 750 }
 751
 752 /*
 753  * get one frame time of the prmry screen, unit: us
 754  */
 755 u32 rk_fb_get_prmry_screen_ft(void)
 756 {
 757         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 758         u32 htotal, vtotal, pixclock_ps;
 759         u64 pix_total, ft_us;
 760
 761         if (unlikely(!dev_drv))
 762                 return 0;
 763
 764         pixclock_ps = dev_drv->pixclock;
 765
 766         vtotal = dev_drv->cur_screen->mode.upper_margin +
 767                  dev_drv->cur_screen->mode.lower_margin +
 768                  dev_drv->cur_screen->mode.yres +
 769                  dev_drv->cur_screen->mode.vsync_len;
 770         htotal = dev_drv->cur_screen->mode.left_margin +
 771                  dev_drv->cur_screen->mode.right_margin +
 772                  dev_drv->cur_screen->mode.xres +
 773                  dev_drv->cur_screen->mode.hsync_len;
 774         pix_total = htotal * vtotal;
 775         ft_us = pix_total * pixclock_ps;
 776         do_div(ft_us, 1000000);
 777         if (dev_drv->frame_time.ft == 0)
 778                 dev_drv->frame_time.ft = ft_us;
 779
 780         ft_us = dev_drv->frame_time.framedone_t - dev_drv->frame_time.last_framedone_t;
 781         do_div(ft_us, 1000);
 782         ft_us = min(dev_drv->frame_time.ft, (u32)ft_us);
 783         if (ft_us != 0)
 784                 dev_drv->frame_time.ft = ft_us;
 785
 786         return dev_drv->frame_time.ft;
 787 }
 788
 789 /*
 790  * get the vblanking time of the prmry screen, unit: us
 791  */
 792 u32 rk_fb_get_prmry_screen_vbt(void)
 793 {
 794         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 795         u32 htotal, vblank, pixclock_ps;
 796         u64 pix_blank, vbt_us;
 797
 798         if (unlikely(!dev_drv))
 799                 return 0;
 800
 801         pixclock_ps = dev_drv->pixclock;
 802
 803         htotal = (dev_drv->cur_screen->mode.left_margin +
 804                   dev_drv->cur_screen->mode.right_margin +
 805                   dev_drv->cur_screen->mode.xres +
 806                   dev_drv->cur_screen->mode.hsync_len);
 807         vblank = (dev_drv->cur_screen->mode.upper_margin +
 808                   dev_drv->cur_screen->mode.lower_margin +
 809                   dev_drv->cur_screen->mode.vsync_len);
 810         pix_blank = htotal * vblank;
 811         vbt_us = pix_blank * pixclock_ps;
 812         do_div(vbt_us, 1000000);
 813         return (u32)vbt_us;
 814 }
 815
 816 /*
 817  * get the frame done time of the prmry screen, unit: us
 818  */
 819 u64 rk_fb_get_prmry_screen_framedone_t(void)
 820 {
 821         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 822
 823         if (unlikely(!dev_drv))
 824                 return 0;
 825         else
 826                 return dev_drv->frame_time.framedone_t;
 827 }
 828
 829 /*
 830  * set prmry screen status
 831  */
 832 int rk_fb_set_prmry_screen_status(int status)
 833 {
 834         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 835         struct rk_screen *screen;
 836
 837         if (unlikely(!dev_drv))
 838                 return 0;
 839
 840         screen = dev_drv->cur_screen;
 841         switch (status) {
 842         case SCREEN_PREPARE_DDR_CHANGE:
 843                 if (screen->type == SCREEN_MIPI ||
 844                     screen->type == SCREEN_DUAL_MIPI) {
 845                         if (dev_drv->trsm_ops->dsp_pwr_off)
 846                                 dev_drv->trsm_ops->dsp_pwr_off();
 847                 }
 848                 break;
 849         case SCREEN_UNPREPARE_DDR_CHANGE:
 850                 if (screen->type == SCREEN_MIPI ||
 851                     screen->type == SCREEN_DUAL_MIPI) {
 852                         if (dev_drv->trsm_ops->dsp_pwr_on)
 853                                 dev_drv->trsm_ops->dsp_pwr_on();
 854                 }
 855                 break;
 856         default:
 857                 break;
 858         }
 859
 860         return 0;
 861 }
 862
 863 u32 rk_fb_get_prmry_screen_pixclock(void)
 864 {
 865         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 866
 867         if (unlikely(!dev_drv))
 868                 return 0;
 869         else
 870                 return dev_drv->pixclock;
 871 }
 872
 873 int rk_fb_poll_prmry_screen_vblank(void)
 874 {
 875         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 876
 877         if (likely(dev_drv)) {
 878                 if (dev_drv->ops->poll_vblank)
 879                         return dev_drv->ops->poll_vblank(dev_drv);
 880                 else
 881                         return RK_LF_STATUS_NC;
 882         } else {
 883                 return RK_LF_STATUS_NC;
 884         }
 885 }
 886
 887 bool rk_fb_poll_wait_frame_complete(void)
 888 {
 889         uint32_t timeout = RK_LF_MAX_TIMEOUT;
 890         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 891
 892         if (likely(dev_drv)) {
 893                 if (dev_drv->ops->set_irq_to_cpu)
 894                         dev_drv->ops->set_irq_to_cpu(dev_drv, 0);
 895         }
 896
 897         if (rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_NC) {
 898                 if (likely(dev_drv)) {
 899                         if (dev_drv->ops->set_irq_to_cpu)
 900                                 dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
 901                 }
 902                 return false;
 903         }
 904         while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FR) && --timeout)
 905                 ;
 906         while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FC) && --timeout)
 907                 ;
 908         if (likely(dev_drv)) {
 909                 if (dev_drv->ops->set_irq_to_cpu)
 910                         dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
 911         }
 912
 913         return true;
 914 }
 915
 916 /* rk_fb_get_sysmmu_device_by_compatible()
 917  * @compt: dts device compatible name
 918  * return value: success: pointer to the device inside of platform device
 919  *               fail: NULL
 920  */
 921 struct device *rk_fb_get_sysmmu_device_by_compatible(const char *compt)
 922 {
 923         struct device_node *dn = NULL;
 924         struct platform_device *pd = NULL;
 925         struct device *ret = NULL ;
 926
 927         dn = of_find_compatible_node(NULL, NULL, compt);
 928         if (!dn) {
 929                 pr_info("can't find device node %s \r\n", compt);
 930                 return NULL;
 931         }
 932
 933         pd = of_find_device_by_node(dn);
 934         if (!pd) {
 935                 pr_info("can't find platform device node %s \r\n", compt);
 936                 return  NULL;
 937         }
 938         ret = &pd->dev;
 939
 940         return ret;
 941 }
 942
 943 #ifdef CONFIG_IOMMU_API
 944 void rk_fb_platform_set_sysmmu(struct device *sysmmu, struct device *dev)
 945 {
 946         dev->archdata.iommu = sysmmu;
 947 }
 948 #else
 949 void rk_fb_platform_set_sysmmu(struct device *sysmmu, struct device *dev)
 950 {
 951 }
 952 #endif
 953
 954 static int rk_fb_open(struct fb_info *info, int user)
 955 {
 956         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
 957         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
 958         int win_id;
 959
 960         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
 961         fb_par->state++;
 962         /* if this win aready opened ,no need to reopen */
 963         if (dev_drv->win[win_id]->state)
 964                 return 0;
 965         else
 966                 dev_drv->ops->open(dev_drv, win_id, 1);
 967         return 0;
 968 }
 969
 970 static int rk_fb_close(struct fb_info *info, int user)
 971 {
 972         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
 973         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
 974         struct rk_lcdc_win *win = NULL;
 975         int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
 976
 977         if (win_id >= 0) {
 978                 win = dev_drv->win[win_id];
 979                 if (fb_par->state)
 980                         fb_par->state--;
 981                 if (!fb_par->state) {
 982                         if (fb_par->fb_phy_base > 0)
 983                                 info->fix.smem_start = fb_par->fb_phy_base;
 984                         info->var.xres = dev_drv->screen0->mode.xres;
 985                         info->var.yres = dev_drv->screen0->mode.yres;
 986                         /*
 987                          *info->var.grayscale |=
 988                          *   (info->var.xres << 8) + (info->var.yres << 20);
 989                          */
 990                         info->var.xres_virtual = info->var.xres;
 991                         info->var.yres_virtual = info->var.yres;
 992 #if defined(CONFIG_LOGO_LINUX_BMP)
 993                         info->var.bits_per_pixel = 32;
 994 #else
 995                         info->var.bits_per_pixel = 16;
 996 #endif
 997                         info->fix.line_length =
 998                             (info->var.xres_virtual) *
 999                             (info->var.bits_per_pixel >> 3);
1000                         info->var.width = dev_drv->screen0->width;
1001                         info->var.height = dev_drv->screen0->height;
1002                         info->var.pixclock = dev_drv->pixclock;
1003                         info->var.left_margin =
1004                                 dev_drv->screen0->mode.left_margin;
1005                         info->var.right_margin =
1006                                 dev_drv->screen0->mode.right_margin;
1007                         info->var.upper_margin =
1008                                 dev_drv->screen0->mode.upper_margin;
1009                         info->var.lower_margin =
1010                                 dev_drv->screen0->mode.lower_margin;
1011                         info->var.vsync_len = dev_drv->screen0->mode.vsync_len;
1012                         info->var.hsync_len = dev_drv->screen0->mode.hsync_len;
1013                 }
1014         }
1015
1016         return 0;
1017 }
1018
1019 #if defined(FB_ROATE_BY_KERNEL)
1020
1021 #if defined(CONFIG_RK29_IPP)
1022 static int get_ipp_format(int fmt)
1023 {
1024         int ipp_fmt = IPP_XRGB_8888;
1025
1026         switch (fmt) {
1027         case HAL_PIXEL_FORMAT_RGBX_8888:
1028         case HAL_PIXEL_FORMAT_BGRX_8888:
1029         case HAL_PIXEL_FORMAT_RGBA_8888:
1030         case HAL_PIXEL_FORMAT_BGRA_8888:
1031         case HAL_PIXEL_FORMAT_RGB_888:
1032         case HAL_PIXEL_FORMAT_BGR_888:
1033                 ipp_fmt = IPP_XRGB_8888;
1034                 break;
1035         case HAL_PIXEL_FORMAT_RGB_565:
1036         case HAL_PIXEL_FORMAT_BGR_565:
1037                 ipp_fmt = IPP_RGB_565;
1038                 break;
1039         case HAL_PIXEL_FORMAT_YCbCr_422_SP:
1040                 ipp_fmt = IPP_Y_CBCR_H2V1;
1041                 break;
1042         case HAL_PIXEL_FORMAT_YCrCb_NV12:
1043                 ipp_fmt = IPP_Y_CBCR_H2V2;
1044                 break;
1045         case HAL_PIXEL_FORMAT_YCrCb_444:
1046                 ipp_fmt = IPP_Y_CBCR_H1V1;
1047                 break;
1048         default:
1049                 ipp_fmt = IPP_IMGTYPE_LIMIT;
1050                 break;
1051         }
1052
1053         return ipp_fmt;
1054 }
1055
1056 static void ipp_win_check(int *dst_w, int *dst_h, int *dst_vir_w,
1057                           int rotation, int fmt)
1058 {
1059         int align16 = 2;
1060         int align64 = 8;
1061
1062         if (fmt == IPP_XRGB_8888) {
1063                 align16 = 1;
1064                 align64 = 2;
1065         } else if (fmt == IPP_RGB_565) {
1066                 align16 = 1;
1067                 align64 = 4;
1068         } else {
1069                 align16 = 2;
1070                 align64 = 8;
1071         }
1072         align16 -= 1;           /*for YUV, 1 */
1073         align64 -= 1;           /*for YUV, 7 */
1074
1075         if (rotation == IPP_ROT_0) {
1076                 if (fmt > IPP_RGB_565) {
1077                         if ((*dst_w & 1) != 0)
1078                                 *dst_w = *dst_w + 1;
1079                         if ((*dst_h & 1) != 0)
1080                                 *dst_h = *dst_h + 1;
1081                         if (*dst_vir_w < *dst_w)
1082                                 *dst_vir_w = *dst_w;
1083                 }
1084         } else {
1085                 if ((*dst_w & align64) != 0)
1086                         *dst_w = (*dst_w + align64) & (~align64);
1087                 if ((fmt > IPP_RGB_565) && ((*dst_h & 1) == 1))
1088                         *dst_h = *dst_h + 1;
1089                 if (*dst_vir_w < *dst_w)
1090                         *dst_vir_w = *dst_w;
1091         }
1092 }
1093
1094 static void fb_copy_by_ipp(struct fb_info *dst_info,
1095                            struct fb_info *src_info)
1096 {
1097         struct rk29_ipp_req ipp_req;
1098         uint32_t rotation = 0;
1099         int dst_w, dst_h, dst_vir_w;
1100         int ipp_fmt;
1101         u8 data_format = (dst_info->var.nonstd) & 0xff;
1102         struct rk_fb_par *fb_par = (struct rk_fb_par *)dst_info->par;
1103         struct rk_lcdc_driver *ext_dev_drv = fb_par->lcdc_drv;
1104         u16 orientation = ext_dev_drv->rotate_mode;
1105
1106         memset(&ipp_req, 0, sizeof(struct rk29_ipp_req));
1107
1108         switch (orientation) {
1109         case 0:
1110                 rotation = IPP_ROT_0;
1111                 break;
1112         case ROTATE_90:
1113                 rotation = IPP_ROT_90;
1114                 break;
1115         case ROTATE_180:
1116                 rotation = IPP_ROT_180;
1117                 break;
1118         case ROTATE_270:
1119                 rotation = IPP_ROT_270;
1120                 break;
1121         default:
1122                 rotation = IPP_ROT_270;
1123                 break;
1124         }
1125
1126         dst_w = dst_info->var.xres;
1127         dst_h = dst_info->var.yres;
1128         dst_vir_w = dst_info->var.xres_virtual;
1129         ipp_fmt = get_ipp_format(data_format);
1130         ipp_win_check(&dst_w, &dst_h, &dst_vir_w, rotation, ipp_fmt);
1131         ipp_req.src0.YrgbMst = src_info->fix.smem_start + offset;
1132         ipp_req.src0.w = src_info->var.xres;
1133         ipp_req.src0.h = src_info->var.yres;
1134         ipp_req.src_vir_w = src_info->var.xres_virtual;
1135         ipp_req.src0.fmt = ipp_fmt;
1136
1137         ipp_req.dst0.YrgbMst = dst_info->fix.smem_start + offset;
1138         ipp_req.dst0.w = dst_w;
1139         ipp_req.dst0.h = dst_h;
1140         ipp_req.dst_vir_w = dst_vir_w;
1141         ipp_req.dst0.fmt = ipp_fmt;
1142
1143         ipp_req.timeout = 100;
1144         ipp_req.flag = rotation;
1145         ipp_blit_sync(&ipp_req);
1146 }
1147
1148 #endif
1149
1150 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1151 static int get_rga_format(int fmt)
1152 {
1153         int rga_fmt = 0;
1154
1155         switch (fmt) {
1156         case XBGR888:
1157                 rga_fmt = RK_FORMAT_RGBX_8888;
1158                 break;
1159         case ABGR888:
1160                 rga_fmt = RK_FORMAT_RGBA_8888;
1161                 break;
1162         case ARGB888:
1163                 rga_fmt = RK_FORMAT_BGRA_8888;
1164                 break;
1165         case RGB888:
1166                 rga_fmt = RK_FORMAT_RGB_888;
1167                 break;
1168         case RGB565:
1169                 rga_fmt = RK_FORMAT_RGB_565;
1170                 break;
1171         case YUV422:
1172                 rga_fmt = RK_FORMAT_YCbCr_422_SP;
1173                 break;
1174         case YUV420:
1175                 rga_fmt = RK_FORMAT_YCbCr_420_SP;
1176                 break;
1177         default:
1178                 rga_fmt = RK_FORMAT_RGBA_8888;
1179                 break;
1180         }
1181
1182         return rga_fmt;
1183 }
1184
1185 static void rga_win_check(struct rk_lcdc_win *dst_win,
1186                           struct rk_lcdc_win *src_win)
1187 {
1188         int format = 0;
1189
1190         format = get_rga_format(src_win->area[0].format);
1191         /* width and height must be even number */
1192         if (format >= RK_FORMAT_YCbCr_422_SP &&
1193             format <= RK_FORMAT_YCrCb_420_P) {
1194                 if ((src_win->area[0].xact % 2) != 0)
1195                         src_win->area[0].xact += 1;
1196                 if ((src_win->area[0].yact % 2) != 0)
1197                         src_win->area[0].yact += 1;
1198         }
1199         if (src_win->area[0].xvir < src_win->area[0].xact)
1200                 src_win->area[0].xvir = src_win->area[0].xact;
1201         if (src_win->area[0].yvir < src_win->area[0].yact)
1202                 src_win->area[0].yvir = src_win->area[0].yact;
1203
1204         format = get_rga_format(dst_win->area[0].format);
1205         if (format >= RK_FORMAT_YCbCr_422_SP &&
1206             format <= RK_FORMAT_YCrCb_420_P) {
1207                 if ((dst_win->area[0].xact % 2) != 0)
1208                         dst_win->area[0].xact += 1;
1209                 if ((dst_win->area[0].yact % 2) != 0)
1210                         dst_win->area[0].yact += 1;
1211         }
1212         if (dst_win->area[0].xvir < dst_win->area[0].xact)
1213                 dst_win->area[0].xvir = dst_win->area[0].xact;
1214         if (dst_win->area[0].yvir < dst_win->area[0].yact)
1215                 dst_win->area[0].yvir = dst_win->area[0].yact;
1216 }
1217
1218 static void win_copy_by_rga(struct rk_lcdc_win *dst_win,
1219                             struct rk_lcdc_win *src_win,
1220                             u16 orientation, int iommu_en)
1221 {
1222         struct rga_req rga_request;
1223         long ret = 0;
1224         /* int fd = 0; */
1225
1226         memset(&rga_request, 0, sizeof(rga_request));
1227         rga_win_check(dst_win, src_win);
1228
1229         switch (orientation) {
1230         case ROTATE_90:
1231                 rga_request.rotate_mode = 1;
1232                 rga_request.sina = 65536;
1233                 rga_request.cosa = 0;
1234                 rga_request.dst.act_w = dst_win->area[0].yact;
1235                 rga_request.dst.act_h = dst_win->area[0].xact;
1236                 rga_request.dst.x_offset = dst_win->area[0].xact - 1;
1237                 rga_request.dst.y_offset = 0;
1238                 break;
1239         case ROTATE_180:
1240                 rga_request.rotate_mode = 1;
1241                 rga_request.sina = 0;
1242                 rga_request.cosa = -65536;
1243                 rga_request.dst.act_w = dst_win->area[0].xact;
1244                 rga_request.dst.act_h = dst_win->area[0].yact;
1245                 rga_request.dst.x_offset = dst_win->area[0].xact - 1;
1246                 rga_request.dst.y_offset = dst_win->area[0].yact - 1;
1247                 break;
1248         case ROTATE_270:
1249                 rga_request.rotate_mode = 1;
1250                 rga_request.sina = -65536;
1251                 rga_request.cosa = 0;
1252                 rga_request.dst.act_w = dst_win->area[0].yact;
1253                 rga_request.dst.act_h = dst_win->area[0].xact;
1254                 rga_request.dst.x_offset = 0;
1255                 rga_request.dst.y_offset = dst_win->area[0].yact - 1;
1256                 break;
1257         default:
1258                 rga_request.rotate_mode = 0;
1259                 rga_request.dst.act_w = dst_win->area[0].xact;
1260                 rga_request.dst.act_h = dst_win->area[0].yact;
1261                 rga_request.dst.x_offset = dst_win->area[0].xact - 1;
1262                 rga_request.dst.y_offset = dst_win->area[0].yact - 1;
1263                 break;
1264         }
1265
1266         /*
1267          * fd =
1268          *    ion_share_dma_buf_fd(rk_fb->ion_client, src_win->area[0].ion_hdl);
1269          * rga_request.src.yrgb_addr = fd;
1270          * fd =
1271          *    ion_share_dma_buf_fd(rk_fb->ion_client, dst_win->area[0].ion_hdl);
1272          * rga_request.dst.yrgb_addr = fd;
1273          */
1274         rga_request.src.yrgb_addr = 0;
1275         rga_request.src.uv_addr =
1276             src_win->area[0].smem_start + src_win->area[0].y_offset;
1277         rga_request.src.v_addr = 0;
1278
1279         rga_request.dst.yrgb_addr = 0;
1280         rga_request.dst.uv_addr =
1281             dst_win->area[0].smem_start + dst_win->area[0].y_offset;
1282         rga_request.dst.v_addr = 0;
1283
1284         rga_request.src.vir_w = src_win->area[0].xvir;
1285         rga_request.src.vir_h = src_win->area[0].yvir;
1286         rga_request.src.format = get_rga_format(src_win->area[0].format);
1287         rga_request.src.act_w = src_win->area[0].xact;
1288         rga_request.src.act_h = src_win->area[0].yact;
1289         rga_request.src.x_offset = 0;
1290         rga_request.src.y_offset = 0;
1291
1292         rga_request.dst.vir_w = dst_win->area[0].xvir;
1293         rga_request.dst.vir_h = dst_win->area[0].yvir;
1294         rga_request.dst.format = get_rga_format(dst_win->area[0].format);
1295
1296         rga_request.clip.xmin = 0;
1297         rga_request.clip.xmax = dst_win->area[0].xact - 1;
1298         rga_request.clip.ymin = 0;
1299         rga_request.clip.ymax = dst_win->area[0].yact - 1;
1300         rga_request.scale_mode = 0;
1301
1302         if (iommu_en) {
1303                 rga_request.mmu_info.mmu_en = 1;
1304                 rga_request.mmu_info.mmu_flag = 1;
1305         } else {
1306                 rga_request.mmu_info.mmu_en = 0;
1307                 rga_request.mmu_info.mmu_flag = 0;
1308         }
1309
1310         ret = rga_ioctl_kernel(&rga_request);
1311 }
1312
1313 /*
1314  * This function is used for copying fb by RGA Module
1315  * RGA only support copy RGB to RGB
1316  * RGA2 support copy RGB to RGB and YUV to YUV
1317  */
1318 static void fb_copy_by_rga(struct fb_info *dst_info,
1319                            struct fb_info *src_info)
1320 {
1321         struct rk_fb_par *src_fb_par = (struct rk_fb_par *)src_info->par;
1322         struct rk_fb_par *dst_fb_par = (struct rk_fb_par *)dst_info->par;
1323         struct rk_lcdc_driver *dev_drv = src_fb_par->lcdc_drv;
1324         struct rk_lcdc_driver *ext_dev_drv = dst_fb_par->lcdc_drv;
1325         int win_id = 0, ext_win_id;
1326         struct rk_lcdc_win *src_win, *dst_win;
1327
1328         win_id = dev_drv->ops->fb_get_win_id(dev_drv, src_info->fix.id);
1329         src_win = dev_drv->win[win_id];
1330
1331         ext_win_id =
1332             ext_dev_drv->ops->fb_get_win_id(ext_dev_drv, dst_info->fix.id);
1333         dst_win = ext_dev_drv->win[ext_win_id];
1334
1335         win_copy_by_rga(dst_win, src_win, ext_dev_drv->rotate_mode,
1336                         ext_dev_drv->iommu_enabled);
1337 }
1338 #endif
1339
1340 static int rk_fb_rotate(struct fb_info *dst_info,
1341                         struct fb_info *src_info)
1342 {
1343 #if defined(CONFIG_RK29_IPP)
1344         fb_copy_by_ipp(dst_info, src_info);
1345 #elif defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1346         fb_copy_by_rga(dst_info, src_info);
1347 #else
1348         return -1;
1349 #endif
1350         return 0;
1351 }
1352
1353 static int __maybe_unused rk_fb_win_rotate(struct rk_lcdc_win *dst_win,
1354                                            struct rk_lcdc_win *src_win,
1355                                            u16 rotate, int iommu_en)
1356 {
1357 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1358         win_copy_by_rga(dst_win, src_win, rotate, iommu_en);
1359 #else
1360         return -1;
1361 #endif
1362         return 0;
1363 }
1364
1365 #endif
1366
1367 static int rk_fb_pan_display(struct fb_var_screeninfo *var,
1368                              struct fb_info *info)
1369 {
1370         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1371         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1372         struct fb_fix_screeninfo *fix = &info->fix;
1373         int win_id = 0;
1374         struct rk_lcdc_win *win = NULL;
1375         struct rk_screen *screen = dev_drv->cur_screen;
1376         u32 xoffset = var->xoffset;
1377         u32 yoffset = var->yoffset;
1378         u32 xvir = var->xres_virtual;
1379         u8 pixel_width;
1380         u32 vir_width_bit;
1381         u32 stride, uv_stride;
1382         u32 stride_32bit_1;
1383         u32 stride_32bit_2;
1384         u16 uv_x_off, uv_y_off, uv_y_act;
1385         u8 is_pic_yuv = 0;
1386
1387         if (dev_drv->suspend_flag || is_car_camcap())
1388                 return 0;
1389         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1390         if (win_id < 0)
1391                 return -ENODEV;
1392         else
1393                 win = dev_drv->win[win_id];
1394
1395         pixel_width = rk_fb_pixel_width(win->area[0].format);
1396         vir_width_bit = pixel_width * xvir;
1397         stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
1398         stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
1399
1400         switch (win->area[0].format) {
1401         case YUV422:
1402         case YUV422_A:
1403                 is_pic_yuv = 1;
1404                 stride = stride_32bit_1;
1405                 uv_stride = stride_32bit_1;
1406                 uv_x_off = xoffset;
1407                 uv_y_off = yoffset;
1408                 fix->line_length = stride;
1409                 uv_y_act = win->area[0].yact >> 1;
1410                 break;
1411         case YUV420:            /* nv12 */
1412         case YUV420_NV21:       /* nv21 */
1413         case YUV420_A:
1414                 is_pic_yuv = 1;
1415                 stride = stride_32bit_1;
1416                 uv_stride = stride_32bit_1;
1417                 uv_x_off = xoffset;
1418                 uv_y_off = yoffset >> 1;
1419                 fix->line_length = stride;
1420                 uv_y_act = win->area[0].yact >> 1;
1421                 break;
1422         case YUV444:
1423         case YUV444_A:
1424                 is_pic_yuv = 1;
1425                 stride = stride_32bit_1;
1426                 uv_stride = stride_32bit_2;
1427                 uv_x_off = xoffset * 2;
1428                 uv_y_off = yoffset;
1429                 fix->line_length = stride << 2;
1430                 uv_y_act = win->area[0].yact;
1431                 break;
1432         default:
1433                 stride = stride_32bit_1;        /* default rgb */
1434                 fix->line_length = stride;
1435                 break;
1436         }
1437
1438         /* x y mirror ,jump line */
1439         if ((screen->y_mirror == 1) ||
1440             (win->xmirror && win->ymirror)) {
1441                 if (screen->interlace == 1) {
1442                         win->area[0].y_offset = yoffset * stride * 2 +
1443                             ((win->area[0].yact - 1) * 2 + 1) * stride +
1444                             xoffset * pixel_width / 8;
1445                 } else {
1446                         win->area[0].y_offset = yoffset * stride +
1447                             (win->area[0].yact - 1) * stride +
1448                             xoffset * pixel_width / 8;
1449                 }
1450         } else {
1451                 if (screen->interlace == 1) {
1452                         win->area[0].y_offset =
1453                             yoffset * stride * 2 + xoffset * pixel_width / 8;
1454                 } else {
1455                         win->area[0].y_offset =
1456                             yoffset * stride + xoffset * pixel_width / 8;
1457                 }
1458         }
1459         if (is_pic_yuv == 1) {
1460                 if ((screen->y_mirror == 1) ||
1461                     (win->xmirror && win->ymirror)) {
1462                         if (screen->interlace == 1) {
1463                                 win->area[0].c_offset =
1464                                     uv_y_off * uv_stride * 2 +
1465                                     ((uv_y_act - 1) * 2 + 1) * uv_stride +
1466                                     uv_x_off * pixel_width / 8;
1467                         } else {
1468                                 win->area[0].c_offset = uv_y_off * uv_stride +
1469                                     (uv_y_act - 1) * uv_stride +
1470                                     uv_x_off * pixel_width / 8;
1471                         }
1472                 } else {
1473                         if (screen->interlace == 1) {
1474                                 win->area[0].c_offset =
1475                                     uv_y_off * uv_stride * 2 +
1476                                     uv_x_off * pixel_width / 8;
1477                         } else {
1478                                 win->area[0].c_offset =
1479                                     uv_y_off * uv_stride +
1480                                     uv_x_off * pixel_width / 8;
1481                         }
1482                 }
1483         }
1484
1485         win->area[0].smem_start = fix->smem_start;
1486         win->area[0].cbr_start = fix->mmio_start;
1487         win->area[0].state = 1;
1488         win->area_num = 1;
1489
1490         dev_drv->ops->pan_display(dev_drv, win_id);
1491
1492 #ifdef  CONFIG_FB_MIRRORING
1493         if (video_data_to_mirroring)
1494                 video_data_to_mirroring(info, NULL);
1495 #endif
1496         /* if not want the config effect,set reserved[3] bit[0] 1 */
1497         if (likely((var->reserved[3] & 0x1) == 0))
1498                 dev_drv->ops->cfg_done(dev_drv);
1499         if (dev_drv->hdmi_switch)
1500                 mdelay(100);
1501         return 0;
1502 }
1503
1504 static int rk_fb_get_list_stat(struct rk_lcdc_driver *dev_drv)
1505 {
1506         int i, j;
1507
1508         i = list_empty(&dev_drv->update_regs_list);
1509         j = list_empty(&dev_drv->saved_list);
1510         return i == j ? 0 : 1;
1511 }
1512
1513 void rk_fd_fence_wait(struct rk_lcdc_driver *dev_drv, struct sync_fence *fence)
1514 {
1515         int err = sync_fence_wait(fence, 1000);
1516
1517         if (err >= 0)
1518                 return;
1519
1520         if (err == -ETIME)
1521                 err = sync_fence_wait(fence, 10 * MSEC_PER_SEC);
1522
1523         if (err < 0)
1524                 pr_info("error waiting on fence\n");
1525 }
1526 #if 0
1527 static int rk_fb_copy_from_loader(struct fb_info *info)
1528 {
1529         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1530         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1531         void *dst = info->screen_base;
1532         u32 dsp_addr[4];
1533         u32 src;
1534         u32 i, size;
1535         int win_id;
1536         struct rk_lcdc_win *win;
1537
1538         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1539         win = dev_drv->win[win_id];
1540         size = (win->area[0].xact) * (win->area[0].yact) << 2;
1541         dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1542         src = dsp_addr[win_id];
1543         dev_info(info->dev, "copy fb data %d x %d  from  dst_addr:%08x\n",
1544                  win->area[0].xact, win->area[0].yact, src);
1545         for (i = 0; i < size; i += PAGE_SIZE) {
1546                 void *page = phys_to_page(i + src);
1547                 void *from_virt = kmap(page);
1548                 void *to_virt = dst + i;
1549
1550                 memcpy(to_virt, from_virt, PAGE_SIZE);
1551         }
1552         dev_drv->ops->direct_set_addr(dev_drv, win_id,
1553                                       info->fix.smem_start);
1554         return 0;
1555 }
1556 #endif
1557 static int g_last_addr[5][4];
1558 static int g_now_config_addr[5][4];
1559 static int g_last_state[5][4];
1560 static int g_now_config_state[5][4];
1561 int g_last_timeout;
1562 u32 freed_addr[10];
1563 u32 freed_index;
1564
1565 #define DUMP_CHUNK 256
1566 char buf[PAGE_SIZE];
1567
1568 int rk_fb_sysmmu_fault_handler(struct device *dev,
1569                                enum rk_iommu_inttype itype,
1570                                unsigned long pgtable_base,
1571                                unsigned long fault_addr, unsigned int status)
1572 {
1573         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
1574         int i = 0, j = 0;
1575         static int page_fault_cnt;
1576
1577         if ((page_fault_cnt++) >= 10)
1578                 return 0;
1579         pr_err
1580             ("PAGE FAULT occurred at 0x%lx (Page table base: 0x%lx),status=%d\n",
1581              fault_addr, pgtable_base, status);
1582         pr_info("last config addr:\n");
1583         for (i = 0; i < 4; i++) {
1584                 for (j = 0; j < 4; j++)
1585                         pr_info("win[%d],area[%d] = 0x%08x\n",
1586                                 i, j, g_last_addr[i][j]);
1587         }
1588         pr_info("last freed buffer:\n");
1589         for (i = 0; (freed_addr[i] != 0xfefefefe) && freed_addr[i]; i++)
1590                 pr_info("%d:0x%08x\n", i, freed_addr[i]);
1591         pr_info("last timeout:%d\n", g_last_timeout);
1592         dev_drv->ops->get_disp_info(dev_drv, buf, 0);
1593         for (i = 0; i < PAGE_SIZE; i += DUMP_CHUNK) {
1594                 if ((PAGE_SIZE - i) > DUMP_CHUNK) {
1595                         char c = buf[i + DUMP_CHUNK];
1596
1597                         buf[i + DUMP_CHUNK] = 0;
1598                         pr_cont("%s", buf + i);
1599                         buf[i + DUMP_CHUNK] = c;
1600                 } else {
1601                         buf[PAGE_SIZE - 1] = 0;
1602                         pr_cont("%s", buf + i);
1603                 }
1604         }
1605
1606         return 0;
1607 }
1608
1609 void rk_fb_free_wb_buf(struct rk_lcdc_driver *dev_drv,
1610                        struct rk_fb_reg_wb_data *wb_data)
1611 {
1612         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1613
1614         if (dev_drv->iommu_enabled && wb_data->ion_handle)
1615                 ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client,
1616                                 wb_data->ion_handle);
1617         if (wb_data->ion_handle)
1618                 ion_free(rk_fb->ion_client, wb_data->ion_handle);
1619 }
1620
1621 void rk_fb_free_dma_buf(struct rk_lcdc_driver *dev_drv,
1622                         struct rk_fb_reg_win_data *reg_win_data)
1623 {
1624         int i, index_buf;
1625         struct rk_fb_reg_area_data *area_data;
1626         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1627
1628         for (i = 0; i < reg_win_data->area_num; i++) {
1629                 area_data = &reg_win_data->reg_area_data[i];
1630                 index_buf = area_data->index_buf;
1631                 if (dev_drv->iommu_enabled) {
1632                         if (area_data->ion_handle != NULL &&
1633                             !IS_YUV_FMT(area_data->data_format))
1634                                 ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client,
1635                                                 area_data->ion_handle);
1636                         freed_addr[freed_index++] = area_data->smem_start;
1637                 }
1638                 if (area_data->ion_handle != NULL)
1639                         ion_free(rk_fb->ion_client, area_data->ion_handle);
1640
1641                 if (area_data->acq_fence)
1642                         sync_fence_put(area_data->acq_fence);
1643         }
1644 }
1645
1646 static void rk_fb_update_win(struct rk_lcdc_driver *dev_drv,
1647                              struct rk_lcdc_win *win,
1648                              struct rk_fb_reg_win_data *reg_win_data)
1649 {
1650         int i = 0;
1651         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
1652         struct rk_screen *cur_screen;
1653         struct rk_screen primary_screen;
1654
1655         if (unlikely(!inf) || unlikely(!dev_drv) ||
1656             unlikely(!win) || unlikely(!reg_win_data))
1657                 return;
1658
1659         cur_screen = dev_drv->cur_screen;
1660         rk_fb_get_prmry_screen(&primary_screen);
1661
1662         win->area_num = reg_win_data->area_num;
1663         win->id = reg_win_data->win_id;
1664         win->z_order = reg_win_data->z_order;
1665
1666         if (reg_win_data->reg_area_data[0].smem_start > 0) {
1667                 win->state = 1;
1668                 win->area_num = reg_win_data->area_num;
1669                 win->id = reg_win_data->win_id;
1670                 win->z_order = reg_win_data->z_order;
1671                 win->area[0].uv_vir_stride =
1672                     reg_win_data->reg_area_data[0].uv_vir_stride;
1673                 win->area[0].cbr_start =
1674                     reg_win_data->reg_area_data[0].cbr_start;
1675                 win->area[0].c_offset = reg_win_data->reg_area_data[0].c_offset;
1676                 win->alpha_en = reg_win_data->alpha_en;
1677                 win->alpha_mode = reg_win_data->alpha_mode;
1678                 win->g_alpha_val = reg_win_data->g_alpha_val;
1679                 /*
1680                  * reg_win_data mirror_en means that xmirror ymirror all
1681                  * enabled.
1682                  */
1683                 win->xmirror = reg_win_data->mirror_en ? 1 : 0;
1684                 win->ymirror = reg_win_data->mirror_en ? 1 : 0;
1685                 win->colorspace = reg_win_data->colorspace;
1686                 win->area[0].fbdc_en =
1687                         reg_win_data->reg_area_data[0].fbdc_en;
1688                 win->area[0].fbdc_cor_en =
1689                         reg_win_data->reg_area_data[0].fbdc_cor_en;
1690                 win->area[0].fbdc_data_format =
1691                         reg_win_data->reg_area_data[0].fbdc_data_format;
1692                 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
1693                         if (reg_win_data->reg_area_data[i].smem_start > 0) {
1694                                 win->area[i].format =
1695                                         reg_win_data->reg_area_data[i].data_format;
1696                                 win->area[i].data_space =
1697                                         reg_win_data->reg_area_data[i].data_space;
1698                                 win->area[i].ion_hdl =
1699                                         reg_win_data->reg_area_data[i].ion_handle;
1700                                 win->area[i].smem_start =
1701                                         reg_win_data->reg_area_data[i].smem_start;
1702                                 if (inf->disp_mode == DUAL ||
1703                                     inf->disp_mode == DUAL_LCD ||
1704                                     inf->disp_mode == NO_DUAL) {
1705                                         win->area[i].xpos =
1706                                                 reg_win_data->reg_area_data[i].xpos;
1707                                         win->area[i].ypos =
1708                                                 reg_win_data->reg_area_data[i].ypos;
1709                                         win->area[i].xsize =
1710                                                 reg_win_data->reg_area_data[i].xsize;
1711                                         win->area[i].ysize =
1712                                                 reg_win_data->reg_area_data[i].ysize;
1713                                 } else {
1714                                         win->area[i].xpos =
1715                                                 reg_win_data->reg_area_data[i].xpos *
1716                                                 cur_screen->mode.xres /
1717                                                 primary_screen.mode.xres;
1718                                         win->area[i].ypos =
1719                                                 reg_win_data->reg_area_data[i].ypos *
1720                                                 cur_screen->mode.yres /
1721                                                 primary_screen.mode.yres;
1722                                         win->area[i].xsize =
1723                                                 reg_win_data->reg_area_data[i].xsize *
1724                                                 cur_screen->mode.xres /
1725                                                 primary_screen.mode.xres;
1726                                         win->area[i].ysize =
1727                                                 reg_win_data->reg_area_data[i].ysize *
1728                                                 cur_screen->mode.yres /
1729                                                 primary_screen.mode.yres;
1730
1731                                         /* recalc display size if set hdmi scaler when at ONE_DUAL mode */
1732                                         if (inf->disp_mode == ONE_DUAL && hdmi_switch_state) {
1733                                                 if (cur_screen->xsize > 0 &&
1734                                                     cur_screen->xsize <= cur_screen->mode.xres) {
1735                                                         win->area[i].xpos =
1736                                                                 ((cur_screen->mode.xres - cur_screen->xsize) >> 1) +
1737                                                                 cur_screen->xsize * win->area[i].xpos / cur_screen->mode.xres;
1738                                                         win->area[i].xsize =
1739                                                                 win->area[i].xsize * cur_screen->xsize / cur_screen->mode.xres;
1740                                                 }
1741                                                 if (cur_screen->ysize > 0 && cur_screen->ysize <= cur_screen->mode.yres) {
1742                                                         win->area[i].ypos =
1743                                                                 ((cur_screen->mode.yres - cur_screen->ysize) >> 1) +
1744                                                                 cur_screen->ysize * win->area[i].ypos / cur_screen->mode.yres;
1745                                                         win->area[i].ysize =
1746                                                                 win->area[i].ysize * cur_screen->ysize / cur_screen->mode.yres;
1747                                                 }
1748                                         }
1749                                 }
1750                                 win->area[i].xact =
1751                                     reg_win_data->reg_area_data[i].xact;
1752                                 win->area[i].yact =
1753                                     reg_win_data->reg_area_data[i].yact;
1754                                 win->area[i].xvir =
1755                                     reg_win_data->reg_area_data[i].xvir;
1756                                 win->area[i].yvir =
1757                                     reg_win_data->reg_area_data[i].yvir;
1758                                 win->area[i].xoff =
1759                                     reg_win_data->reg_area_data[i].xoff;
1760                                 win->area[i].yoff =
1761                                     reg_win_data->reg_area_data[i].yoff;
1762                                 win->area[i].y_offset =
1763                                     reg_win_data->reg_area_data[i].y_offset;
1764                                 win->area[i].y_vir_stride =
1765                                     reg_win_data->reg_area_data[i].y_vir_stride;
1766                                 win->area[i].state = 1;
1767                                 if (dev_drv->iommu_enabled) {
1768                                         g_now_config_addr[win->id][i] =
1769                                                 win->area[i].smem_start +
1770                                                 win->area[i].y_offset;
1771                                         g_now_config_state[win->id][i] = 1;
1772                                 }
1773                         } else {
1774                                 win->area[i].state = 0;
1775                                 win->area[i].fbdc_en = 0;
1776                                 if (dev_drv->iommu_enabled) {
1777                                         g_now_config_addr[win->id][i] = 0;
1778                                         g_now_config_state[win->id][i] = 0;
1779                                 }
1780                         }
1781                 }
1782         }
1783 }
1784
1785 static struct rk_fb_reg_win_data *rk_fb_get_win_data(struct rk_fb_reg_data
1786                                                      *regs, int win_id)
1787 {
1788         int i;
1789         struct rk_fb_reg_win_data *win_data = NULL;
1790
1791         for (i = 0; i < regs->win_num; i++) {
1792                 if (regs->reg_win_data[i].win_id == win_id) {
1793                         win_data = &(regs->reg_win_data[i]);
1794                         break;
1795                 }
1796         }
1797
1798         return win_data;
1799 }
1800
1801 static int rk_fb_reg_effect(struct rk_lcdc_driver *dev_drv,
1802                             struct rk_fb_reg_data *regs,
1803                             int count)
1804 {
1805         int i, j, wait_for_vsync = false;
1806         unsigned int dsp_addr[5][4];
1807         int win_status = 0;
1808
1809         if (dev_drv->ops->get_dsp_addr)
1810                 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1811
1812         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1813                 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1814                         if ((j > 0) && (dev_drv->area_support[i] == 1))
1815                                 continue;
1816                         if (dev_drv->win[i]->area[j].state == 1) {
1817                                 u32 new_start =
1818                                         dev_drv->win[i]->area[j].smem_start +
1819                                         dev_drv->win[i]->area[j].y_offset;
1820                                 u32 reg_start = dsp_addr[i][j];
1821
1822                                 if (unlikely(new_start != reg_start)) {
1823                                         wait_for_vsync = true;
1824                                         dev_info(dev_drv->dev,
1825                                                  "win%d:new_addr:0x%08x cur_addr:0x%08x--%d\n",
1826                                                  i, new_start, reg_start,
1827                                                  101 - count);
1828                                         break;
1829                                 }
1830                         } else if (dev_drv->win[i]->area[j].state == 0) {
1831                                 if (dev_drv->ops->get_win_state) {
1832                                         win_status =
1833                                         dev_drv->ops->get_win_state(dev_drv, i, j);
1834                                         if (win_status) {
1835                                                 wait_for_vsync = true;
1836                                                 dev_info(dev_drv->dev,
1837                                                          "win[%d]area[%d]: "
1838                                                          "state: %d, "
1839                                                          "cur state: %d,"
1840                                                          "count: %d\n",
1841                                                          i, j,
1842                                                          dev_drv->win[i]->area[j].state,
1843                                                          win_status,
1844                                                          101 - count);
1845                                         }
1846                                 }
1847                         } else {
1848                                 pr_err("!!!win[%d]state:%d,error!!!\n",
1849                                        i, dev_drv->win[i]->state);
1850                         }
1851                 }
1852         }
1853
1854         return wait_for_vsync;
1855 }
1856
1857 static int rk_fb_iommu_page_fault_dump(struct rk_lcdc_driver *dev_drv)
1858 {
1859         int i, j, state, page_fault = 0;
1860         unsigned int dsp_addr[5][4];
1861
1862         if (dev_drv->ops->extern_func) {
1863                 dev_drv->ops->extern_func(dev_drv, UNMASK_PAGE_FAULT);
1864                 page_fault = dev_drv->ops->extern_func(dev_drv, GET_PAGE_FAULT);
1865         }
1866         if (page_fault) {
1867                 pr_info("last config:\n");
1868                 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1869                         for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1870                                 if ((j > 0) && (dev_drv->area_support[i] == 1))
1871                                         continue;
1872                                 pr_info("win[%d]area[%d],state=%d,addr=0x%08x\n",
1873                                         i, j, g_last_state[i][j], g_last_addr[i][j]);
1874                         }
1875                 }
1876
1877                 pr_info("last freed buffer:\n");
1878                 for (i = 0; (freed_addr[i] != 0xfefefefe) && freed_addr[i]; i++)
1879                         pr_info("%d:0x%08x\n", i, freed_addr[i]);
1880
1881                 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1882                 pr_info("vop now state:\n");
1883                 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1884                         for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1885                                 if ((j > 0) && (dev_drv->area_support[i] == 1))
1886                                         continue;
1887                                 state = dev_drv->ops->get_win_state(dev_drv, i, j);
1888                                 pr_info("win[%d]area[%d],state=%d,addr=0x%08x\n",
1889                                         i, j, state, dsp_addr[i][j]);
1890                         }
1891                 }
1892                 pr_info("now config:\n");
1893                 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1894                         for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1895                                 if ((j > 0) && (dev_drv->area_support[i] == 1))
1896                                         continue;
1897                                 pr_info("win[%d]area[%d],state=%d,addr=0x%08x\n",
1898                                         i, j, g_now_config_state[i][j],
1899                                         g_now_config_addr[i][j]);
1900                         }
1901                 }
1902                 for (i = 0; i < DUMP_FRAME_NUM; i++)
1903                         rk_fb_config_debug(dev_drv, &dev_drv->tmp_win_cfg[i],
1904                                            &dev_drv->tmp_regs[i], 0);
1905         }
1906
1907         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1908                 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1909                         if ((j > 0) && (dev_drv->area_support[i] == 1))
1910                                 continue;
1911                         g_last_addr[i][j] = g_now_config_addr[i][j];
1912                         g_last_state[i][j] = g_now_config_state[i][j];
1913                 }
1914         }
1915
1916         return page_fault;
1917 }
1918 static void rk_fb_update_reg(struct rk_lcdc_driver *dev_drv,
1919                              struct rk_fb_reg_data *regs)
1920 {
1921         int i, j;
1922         struct rk_lcdc_win *win;
1923         ktime_t timestamp = dev_drv->vsync_info.timestamp;
1924         struct rk_fb_reg_win_data *win_data;
1925         bool wait_for_vsync;
1926         int count = 100;
1927         long timeout;
1928         int pagefault = 0;
1929
1930         if (dev_drv->suspend_flag == 1) {
1931 #ifdef H_USE_FENCE
1932                 sw_sync_timeline_inc(dev_drv->timeline, 1);
1933 #endif
1934                 for (i = 0; i < regs->win_num; i++) {
1935                         win_data = &regs->reg_win_data[i];
1936                         rk_fb_free_dma_buf(dev_drv, win_data);
1937                 }
1938                 if (dev_drv->property.feature & SUPPORT_WRITE_BACK)
1939                         rk_fb_free_wb_buf(dev_drv, &regs->reg_wb_data);
1940                 kfree(regs);
1941                 return;
1942         }
1943         /* acq_fence wait */
1944         for (i = 0; i < regs->win_num; i++) {
1945                 win_data = &regs->reg_win_data[i];
1946                 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1947                         if (win_data->reg_area_data[j].acq_fence)
1948                                 rk_fd_fence_wait(dev_drv, win_data->reg_area_data[j].acq_fence);
1949                 }
1950         }
1951
1952         mutex_lock(&dev_drv->win_config);
1953         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1954                 win = dev_drv->win[i];
1955                 win_data = rk_fb_get_win_data(regs, i);
1956                 if (win_data) {
1957                         rk_fb_update_win(dev_drv, win, win_data);
1958                         win->state = 1;
1959                         dev_drv->ops->set_par(dev_drv, i);
1960                         dev_drv->ops->pan_display(dev_drv, i);
1961                 } else {
1962                         win->z_order = -1;
1963                         win->state = 0;
1964                         for (j = 0; j < 4; j++) {
1965                                 win->area[j].state = 0;
1966                                 win->area[j].fbdc_en = 0;
1967                         }
1968                         if (dev_drv->iommu_enabled) {
1969                                 for (j = 0; j < 4; j++) {
1970                                         g_now_config_addr[i][j] = 0;
1971                                         g_now_config_state[i][j] = 0;
1972                                 }
1973                         }
1974                 }
1975         }
1976         dev_drv->ops->ovl_mgr(dev_drv, 0, 1);
1977
1978         if (dev_drv->property.feature & SUPPORT_WRITE_BACK) {
1979                 memcpy(&dev_drv->wb_data, &regs->reg_wb_data,
1980                        sizeof(struct rk_fb_reg_wb_data));
1981                 if (dev_drv->ops->set_wb)
1982                         dev_drv->ops->set_wb(dev_drv);
1983         }
1984
1985         if (rk_fb_iommu_debug > 0)
1986                 pagefault = rk_fb_iommu_page_fault_dump(dev_drv);
1987
1988         if (pagefault == 0)
1989                 dev_drv->ops->cfg_done(dev_drv);
1990         else
1991                 sw_sync_timeline_inc(dev_drv->timeline, 1);
1992         mutex_unlock(&dev_drv->win_config);
1993
1994         do {
1995                 timestamp = dev_drv->vsync_info.timestamp;
1996                 timeout = wait_event_interruptible_timeout(dev_drv->vsync_info.wait,
1997                                 ktime_compare(dev_drv->vsync_info.timestamp, timestamp) > 0,
1998                                 msecs_to_jiffies(50));
1999                 if (timeout <= 0)
2000                         dev_info(dev_drv->dev, "timeout: %ld\n", timeout);
2001                 wait_for_vsync = rk_fb_reg_effect(dev_drv, regs, count);
2002         } while (wait_for_vsync && count--);
2003 #ifdef H_USE_FENCE
2004         sw_sync_timeline_inc(dev_drv->timeline, 1);
2005 #endif
2006
2007         if (dev_drv->front_regs) {
2008                 if (dev_drv->iommu_enabled) {
2009                         if (dev_drv->ops->mmu_en)
2010                                 dev_drv->ops->mmu_en(dev_drv);
2011                         freed_index = 0;
2012                         g_last_timeout = timeout;
2013                 }
2014
2015                 mutex_lock(&dev_drv->front_lock);
2016
2017                 for (i = 0; i < dev_drv->front_regs->win_num; i++) {
2018                         win_data = &dev_drv->front_regs->reg_win_data[i];
2019                         rk_fb_free_dma_buf(dev_drv, win_data);
2020                 }
2021                 if (dev_drv->property.feature & SUPPORT_WRITE_BACK)
2022                         rk_fb_free_wb_buf(dev_drv,
2023                                           &dev_drv->front_regs->reg_wb_data);
2024                 kfree(dev_drv->front_regs);
2025
2026                 mutex_unlock(&dev_drv->front_lock);
2027
2028                 if (dev_drv->iommu_enabled)
2029                         freed_addr[freed_index] = 0xfefefefe;
2030         }
2031
2032         mutex_lock(&dev_drv->front_lock);
2033
2034         dev_drv->front_regs = regs;
2035
2036         mutex_unlock(&dev_drv->front_lock);
2037
2038         trace_buffer_dump(&fb_pdev->dev, dev_drv);
2039 }
2040
2041 static void rk_fb_update_regs_handler(struct kthread_work *work)
2042 {
2043         struct rk_lcdc_driver *dev_drv =
2044             container_of(work, struct rk_lcdc_driver, update_regs_work);
2045         struct rk_fb_reg_data *data, *next;
2046
2047         mutex_lock(&dev_drv->update_regs_list_lock);
2048         dev_drv->saved_list = dev_drv->update_regs_list;
2049         list_replace_init(&dev_drv->update_regs_list, &dev_drv->saved_list);
2050         mutex_unlock(&dev_drv->update_regs_list_lock);
2051
2052         list_for_each_entry_safe(data, next, &dev_drv->saved_list, list) {
2053                 list_del(&data->list);
2054                 rk_fb_update_reg(dev_drv, data);
2055         }
2056
2057         if (dev_drv->wait_fs && list_empty(&dev_drv->update_regs_list))
2058                 wake_up(&dev_drv->update_regs_wait);
2059 }
2060
2061 static int rk_fb_check_config_var(struct rk_fb_area_par *area_par,
2062                                   struct rk_screen *screen)
2063 {
2064         if (area_par->phy_addr > 0)
2065                 pr_err("%s[%d], phy_addr = 0x%x\n",
2066                        __func__, __LINE__, area_par->phy_addr);
2067         if ((area_par->x_offset + area_par->xact > area_par->xvir) ||
2068             (area_par->xact <= 0) || (area_par->yact <= 0) ||
2069             (area_par->xvir <= 0) || (area_par->yvir <= 0)) {
2070                 pr_err("check config var fail 0:\n"
2071                        "x_offset=%d,xact=%d,xvir=%d\n",
2072                        area_par->x_offset, area_par->xact, area_par->xvir);
2073                 return -EINVAL;
2074         }
2075
2076         if ((area_par->xpos >= screen->mode.xres) ||
2077             (area_par->ypos >= screen->mode.yres) ||
2078             ((area_par->xsize <= 0) || (area_par->ysize <= 0))) {
2079                 pr_warn("check config var fail 1:\n"
2080                         "xpos=%d,xsize=%d,xres=%d\n"
2081                         "ypos=%d,ysize=%d,yres=%d\n",
2082                         area_par->xpos, area_par->xsize, screen->mode.xres,
2083                         area_par->ypos, area_par->ysize, screen->mode.yres);
2084                 return -EINVAL;
2085         }
2086         return 0;
2087 }
2088
2089 static int rk_fb_config_debug(struct rk_lcdc_driver *dev_drv,
2090                               struct rk_fb_win_cfg_data *win_data,
2091                               struct rk_fb_reg_data *regs, u32 cmd)
2092 {
2093         int i, j;
2094         struct rk_fb_win_par *win_par;
2095         struct rk_fb_area_par *area_par;
2096         struct rk_fb_reg_win_data *reg_win_data;
2097         struct rk_fb_reg_area_data *area_data;
2098
2099         rk_fb_dbg(cmd, "-------------frame start-------------\n");
2100         rk_fb_dbg(cmd, "user config:\n");
2101         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
2102                 win_par = &(win_data->win_par[i]);
2103                 if ((win_par->area_par[0].ion_fd <= 0) &&
2104                     (win_par->area_par[0].phy_addr <= 0))
2105                         continue;
2106                 rk_fb_dbg(cmd, "win[%d]:z_order=%d,galhpa_v=%d\n",
2107                           win_par->win_id, win_par->z_order,
2108                           win_par->g_alpha_val);
2109                 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
2110                         area_par = &(win_par->area_par[j]);
2111                         if (((j > 0) && (dev_drv->area_support[i] == 1)) ||
2112                             ((win_par->area_par[j].ion_fd <= 0) &&
2113                              (win_par->area_par[j].phy_addr <= 0)))
2114                                 continue;
2115                         rk_fb_dbg(cmd, " area[%d]:fmt=%d,ion_fd=%d,phy_add=0x%x,xoff=%d,yoff=%d\n",
2116                                   j, area_par->data_format, area_par->ion_fd,
2117                                   area_par->phy_addr, area_par->x_offset,
2118                                   area_par->y_offset);
2119                         rk_fb_dbg(cmd, "           xpos=%d,ypos=%d,xsize=%d,ysize=%d\n",
2120                                   area_par->xpos, area_par->ypos,
2121                                   area_par->xsize, area_par->ysize);
2122                         rk_fb_dbg(cmd, "           xact=%d,yact=%d,xvir=%d,yvir=%d\n",
2123                                   area_par->xact, area_par->yact,
2124                                   area_par->xvir, area_par->yvir);
2125                         rk_fb_dbg(cmd, "           data_space%d\n",
2126                                   area_par->data_space);
2127                 }
2128         }
2129
2130         rk_fb_dbg(cmd, "regs data:\n");
2131         rk_fb_dbg(cmd, "win_num=%d,buf_num=%d\n",
2132                   regs->win_num, regs->buf_num);
2133         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
2134                 reg_win_data = &(regs->reg_win_data[i]);
2135                 if (reg_win_data->reg_area_data[0].smem_start <= 0)
2136                         continue;
2137                 rk_fb_dbg(cmd, "win[%d]:z_order=%d,area_num=%d,area_buf_num=%d\n",
2138                           reg_win_data->win_id, reg_win_data->z_order,
2139                           reg_win_data->area_num, reg_win_data->area_buf_num);
2140                 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
2141                         area_data = &(reg_win_data->reg_area_data[j]);
2142                         if (((j > 0) && (dev_drv->area_support[i] == 1)) ||
2143                             (area_data->smem_start <= 0))
2144                                 continue;
2145                         rk_fb_dbg(cmd, " area[%d]:fmt=%d,ion=%p,smem_star=0x%lx,cbr_star=0x%lx\n",
2146                                   j, area_data->data_format, area_data->ion_handle,
2147                                   area_data->smem_start, area_data->cbr_start);
2148                         rk_fb_dbg(cmd, "           yoff=0x%x,coff=0x%x,area_data->buff_len=%x\n",
2149                                   area_data->y_offset, area_data->c_offset, area_data->buff_len);
2150                         rk_fb_dbg(cmd, "           xpos=%d,ypos=%d,xsize=%d,ysize=%d\n",
2151                                   area_data->xpos, area_data->ypos,
2152                                   area_data->xsize, area_data->ysize);
2153                         rk_fb_dbg(cmd, "           xact=%d,yact=%d,xvir=%d,yvir=%d\n",
2154                                   area_data->xact, area_data->yact,
2155                                   area_data->xvir, area_data->yvir);
2156                 }
2157         }
2158         rk_fb_dbg(cmd, "-------------frame end---------------\n");
2159
2160         return 0;
2161 }
2162 static int rk_fb_config_backup(struct rk_lcdc_driver *dev_drv,
2163                                struct rk_fb_win_cfg_data *win_cfg,
2164                                struct rk_fb_reg_data *regs)
2165 {
2166         int i;
2167
2168         /*2->1->0: 0 is newest*/
2169         for (i = 0; i < DUMP_FRAME_NUM - 1; i++) {
2170                 memcpy(&dev_drv->tmp_win_cfg[DUMP_FRAME_NUM - 1 - i],
2171                        &dev_drv->tmp_win_cfg[DUMP_FRAME_NUM - 2 - i],
2172                        sizeof(struct rk_fb_win_cfg_data));
2173                 memcpy(&dev_drv->tmp_regs[DUMP_FRAME_NUM - 1 - i],
2174                        &dev_drv->tmp_regs[DUMP_FRAME_NUM - 2 - i],
2175                        sizeof(struct rk_fb_reg_data));
2176         }
2177
2178         memcpy(&dev_drv->tmp_win_cfg[0], win_cfg,
2179                sizeof(struct rk_fb_win_cfg_data));
2180         memcpy(&dev_drv->tmp_regs[0], regs,
2181                sizeof(struct rk_fb_reg_data));
2182
2183         return 0;
2184 }
2185
2186 static int rk_fb_set_wb_buffer(struct fb_info *info,
2187                                struct rk_fb_wb_cfg *wb_cfg,
2188                                struct rk_fb_reg_wb_data *wb_data)
2189 {
2190         int ret = 0;
2191         ion_phys_addr_t phy_addr;
2192         size_t len;
2193         u8 fb_data_fmt;
2194         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2195         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2196         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2197
2198         if ((wb_cfg->phy_addr == 0) && (wb_cfg->ion_fd == 0)) {
2199                 wb_data->state = 0;
2200                 return 0;
2201         }
2202         if (wb_cfg->phy_addr == 0) {
2203                 wb_data->ion_handle =
2204                     ion_import_dma_buf(rk_fb->ion_client,
2205                                        wb_cfg->ion_fd);
2206                 if (IS_ERR(wb_data->ion_handle)) {
2207                         pr_info("Could not import handle: %ld\n",
2208                                 (long)wb_data->ion_handle);
2209                         return -EINVAL;
2210                 }
2211                 if (dev_drv->iommu_enabled)
2212                         ret = ion_map_iommu(dev_drv->dev,
2213                                             rk_fb->ion_client,
2214                                             wb_data->ion_handle,
2215                                             (unsigned long *)&phy_addr,
2216                                             (unsigned long *)&len);
2217                 else
2218                         ret = ion_phys(rk_fb->ion_client, wb_data->ion_handle,
2219                                        &phy_addr, &len);
2220                 if (ret < 0) {
2221                         pr_err("ion map to get phy addr failed\n");
2222                         ion_free(rk_fb->ion_client, wb_data->ion_handle);
2223                         return -ENOMEM;
2224                 }
2225                 wb_data->smem_start = phy_addr;
2226         } else {
2227                 wb_data->smem_start = wb_cfg->phy_addr;
2228         }
2229
2230         fb_data_fmt = rk_fb_data_fmt(wb_cfg->data_format, 0);
2231         if (IS_YUV_FMT(fb_data_fmt))
2232                 wb_data->cbr_start = wb_data->smem_start +
2233                                         wb_cfg->xsize * wb_cfg->ysize;
2234         wb_data->xsize = wb_cfg->xsize;
2235         wb_data->ysize = wb_cfg->ysize;
2236         wb_data->data_format = fb_data_fmt;
2237         wb_data->state = 1;
2238
2239         return 0;
2240 }
2241
2242 static int rk_fb_set_win_buffer(struct fb_info *info,
2243                                 struct rk_fb_win_par *win_par,
2244                                 struct rk_fb_reg_win_data *reg_win_data)
2245 {
2246         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2247         struct fb_fix_screeninfo *fix = &info->fix;
2248         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2249         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2250         /*if hdmi size move to hwc,screen should point to cur_screen
2251          *otherwise point to screen0[main screen]*/
2252         struct rk_screen *screen = dev_drv->cur_screen;/*screen0;*/
2253         struct fb_info *fbi;
2254         int i, ion_fd, acq_fence_fd;
2255         u32 xvir = 0, yvir = 0;
2256         u32 xoffset = 0, yoffset = 0;
2257
2258         struct ion_handle *hdl;
2259         size_t len;
2260         int index_buf = 0;
2261         u8 fb_data_fmt = 0;
2262         u8 pixel_width = 0;
2263         u32 vir_width_bit = 0;
2264         u32 stride = 0, uv_stride = 0;
2265         u32 stride_32bit_1 = 0;
2266         u32 stride_32bit_2 = 0;
2267         u16 uv_x_off = 0, uv_y_off = 0, uv_y_act = 0;
2268         u8 is_pic_yuv = 0;
2269         u8 ppixel_a = 0, global_a = 0;
2270         ion_phys_addr_t phy_addr;
2271         int ret = 0;
2272         int buff_len = 0;
2273
2274         reg_win_data->reg_area_data[0].smem_start = -1;
2275         reg_win_data->area_num = 0;
2276         fbi = rk_fb->fb[win_par->win_id + dev_drv->fb_index_base];
2277         if (win_par->area_par[0].phy_addr == 0) {
2278                 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
2279                         ion_fd = win_par->area_par[i].ion_fd;
2280                         if (ion_fd > 0) {
2281                                 hdl =
2282                                     ion_import_dma_buf(rk_fb->ion_client,
2283                                                        ion_fd);
2284                                 if (IS_ERR(hdl)) {
2285                                         pr_info("%s: win[%d]area[%d] can't import handle\n",
2286                                                 __func__, win_par->win_id, i);
2287                                         pr_info("fd: %d, hdl: 0x%p, ion_client: 0x%p\n",
2288                                                 ion_fd, hdl, rk_fb->ion_client);
2289                                         return -EINVAL;
2290                                         break;
2291                                 }
2292                                 reg_win_data->reg_area_data[i].ion_handle = hdl;
2293                                 if (dev_drv->iommu_enabled)
2294                                         ret = ion_map_iommu(dev_drv->dev,
2295                                                             rk_fb->ion_client,
2296                                                             hdl,
2297                                                             (unsigned long *)&phy_addr,
2298                                                             (unsigned long *)&len);
2299                                 else
2300                                         ret = ion_phys(rk_fb->ion_client, hdl,
2301                                                        &phy_addr, &len);
2302                                 if (ret < 0) {
2303                                         dev_err(fbi->dev, "ion map to get phy addr failed\n");
2304                                         ion_free(rk_fb->ion_client, hdl);
2305                                         return -ENOMEM;
2306                                 }
2307                                 reg_win_data->reg_area_data[i].smem_start = phy_addr;
2308                                 reg_win_data->area_num++;
2309                                 reg_win_data->area_buf_num++;
2310                                 reg_win_data->reg_area_data[i].index_buf = 1;
2311                                 reg_win_data->reg_area_data[i].buff_len = len;
2312                         }
2313                 }
2314         } else {
2315                 reg_win_data->reg_area_data[0].smem_start =
2316                     win_par->area_par[0].phy_addr;
2317                 reg_win_data->area_num = 1;
2318                 reg_win_data->area_buf_num++;
2319                 fbi->screen_base = phys_to_virt(win_par->area_par[0].phy_addr);
2320         }
2321
2322         if (reg_win_data->area_num == 0) {
2323                 for (i = 0; i < RK_WIN_MAX_AREA; i++)
2324                         reg_win_data->reg_area_data[i].smem_start = 0;
2325                 reg_win_data->z_order = -1;
2326                 reg_win_data->win_id = -1;
2327                 return 0;
2328         }
2329
2330         for (i = 0; i < reg_win_data->area_num; i++) {
2331                 acq_fence_fd = win_par->area_par[i].acq_fence_fd;
2332                 index_buf = reg_win_data->reg_area_data[i].index_buf;
2333                 if ((acq_fence_fd > 0) && (index_buf == 1)) {
2334                         reg_win_data->reg_area_data[i].acq_fence =
2335                             sync_fence_fdget(win_par->area_par[i].acq_fence_fd);
2336                 }
2337         }
2338         if (reg_win_data->reg_area_data[0].smem_start > 0) {
2339                 reg_win_data->z_order = win_par->z_order;
2340                 reg_win_data->win_id = win_par->win_id;
2341         } else {
2342                 reg_win_data->z_order = -1;
2343                 reg_win_data->win_id = -1;
2344         }
2345
2346         reg_win_data->mirror_en = win_par->mirror_en;
2347         for (i = 0; i < reg_win_data->area_num; i++) {
2348                 u8 data_format = win_par->area_par[i].data_format;
2349                 /*rk_fb_check_config_var(&win_par->area_par[i], screen);*/
2350                 reg_win_data->colorspace = CSC_FORMAT(data_format);
2351                 data_format &= ~CSC_MASK;
2352                 fb_data_fmt = rk_fb_data_fmt(data_format, 0);
2353                 reg_win_data->reg_area_data[i].data_format = fb_data_fmt;
2354                 reg_win_data->reg_area_data[i].data_space =
2355                                         win_par->area_par[i].data_space;
2356                 if (IS_FBDC_FMT(fb_data_fmt)) {
2357                         reg_win_data->reg_area_data[i].fbdc_en = 1;
2358                         reg_win_data->reg_area_data[i].fbdc_cor_en = 1;
2359                 } else {
2360                         reg_win_data->reg_area_data[i].fbdc_en = 0;
2361                         reg_win_data->reg_area_data[i].fbdc_cor_en = 0;
2362                 }
2363                 pixel_width = rk_fb_pixel_width(fb_data_fmt);
2364
2365                 ppixel_a |= ((fb_data_fmt == ARGB888) ||
2366                              (fb_data_fmt == FBDC_ARGB_888) ||
2367                              (fb_data_fmt == FBDC_ABGR_888) ||
2368                              (fb_data_fmt == ABGR888)) ? 1 : 0;
2369                 /*act_height should be 2 pix align for interlace output*/
2370                 if (win_par->area_par[i].yact % 2 == 1) {
2371                         win_par->area_par[i].yact  -= 1;
2372                         win_par->area_par[i].ysize -= 1;
2373                 }
2374
2375                 /* buf offset should be 2 pix align*/
2376                 if ((win_par->area_par[i].x_offset % 2 == 1) &&
2377                     IS_YUV_FMT(fb_data_fmt)) {
2378                         win_par->area_par[i].x_offset += 1;
2379                         win_par->area_par[i].xact -= 1;
2380                 }
2381
2382                 /* visiable pos in panel */
2383                 reg_win_data->reg_area_data[i].xpos = win_par->area_par[i].xpos;
2384                 reg_win_data->reg_area_data[i].ypos = win_par->area_par[i].ypos;
2385
2386                 /* realy size in panel */
2387                 reg_win_data->reg_area_data[i].xsize = win_par->area_par[i].xsize;
2388                 reg_win_data->reg_area_data[i].ysize = win_par->area_par[i].ysize;
2389
2390                 /* realy size in panel */
2391                 reg_win_data->reg_area_data[i].xact = win_par->area_par[i].xact;
2392                 reg_win_data->reg_area_data[i].yact = win_par->area_par[i].yact;
2393
2394                 xoffset = win_par->area_par[i].x_offset;        /* buf offset */
2395                 yoffset = win_par->area_par[i].y_offset;
2396                 reg_win_data->reg_area_data[i].xoff = xoffset;
2397                 reg_win_data->reg_area_data[i].yoff = yoffset;
2398
2399                 xvir = win_par->area_par[i].xvir;
2400                 reg_win_data->reg_area_data[i].xvir = xvir;
2401                 yvir = win_par->area_par[i].yvir;
2402                 reg_win_data->reg_area_data[i].yvir = yvir;
2403
2404                 vir_width_bit = pixel_width * xvir;
2405                 /* pixel_width = byte_num*8 */
2406                 stride_32bit_1 = ((vir_width_bit + 31) & (~31)) / 8;
2407                 stride_32bit_2 = ((vir_width_bit * 2 + 31) & (~31)) / 8;
2408
2409                 stride = stride_32bit_1;        /* default rgb */
2410                 fix->line_length = stride;
2411                 reg_win_data->reg_area_data[i].y_vir_stride = stride >> 2;
2412
2413                 /* x y mirror ,jump line
2414                  * reg_win_data->reg_area_data[i].y_offset =
2415                  *              yoffset*stride+xoffset*pixel_width/8;
2416                  */
2417                 if (screen->y_mirror || reg_win_data->mirror_en) {
2418                         if (screen->interlace == 1) {
2419                                 reg_win_data->reg_area_data[i].y_offset =
2420                                     yoffset * stride * 2 +
2421                                     ((reg_win_data->reg_area_data[i].yact - 1) * 2 + 1) * stride +
2422                                     xoffset * pixel_width / 8;
2423                         } else {
2424                                 reg_win_data->reg_area_data[i].y_offset =
2425                                     yoffset * stride +
2426                                     (reg_win_data->reg_area_data[i].yact - 1) * stride +
2427                                     xoffset * pixel_width / 8;
2428                         }
2429                 } else {
2430                         if (screen->interlace == 1) {
2431                                 reg_win_data->reg_area_data[i].y_offset =
2432                                     yoffset * stride * 2 +
2433                                     xoffset * pixel_width / 8;
2434                         } else {
2435                                 reg_win_data->reg_area_data[i].y_offset =
2436                                     yoffset * stride +
2437                                     xoffset * pixel_width / 8;
2438                         }
2439                 }
2440                 if (IS_RGB_FMT(fb_data_fmt) && dev_drv->iommu_enabled) {
2441                         buff_len = yoffset * stride +
2442                                 xoffset * pixel_width / 8 +
2443                                 reg_win_data->reg_area_data[i].xvir *
2444                                 reg_win_data->reg_area_data[i].yact *
2445                                 pixel_width / 8 -
2446                                 reg_win_data->reg_area_data[i].xoff*
2447                                 pixel_width / 8;
2448                         if (buff_len > reg_win_data->reg_area_data[i].buff_len)
2449                                 pr_err("\n!!!!!!error: fmt=%d,xvir[%d]*"
2450                                        "yact[%d]*bpp[%d]"
2451                                        "=buff_len[0x%x]>>mmu len=0x%x\n",
2452                                        fb_data_fmt,
2453                                        reg_win_data->reg_area_data[i].xvir,
2454                                        reg_win_data->reg_area_data[i].yact,
2455                                        pixel_width, buff_len,
2456                                        reg_win_data->reg_area_data[i].buff_len);
2457                 }
2458         }
2459
2460         global_a = (win_par->g_alpha_val == 0) ? 0 : 1;
2461         reg_win_data->alpha_en = ppixel_a | global_a;
2462         reg_win_data->g_alpha_val = win_par->g_alpha_val;
2463         reg_win_data->alpha_mode = win_par->alpha_mode;
2464
2465         switch (fb_data_fmt) {
2466         case YUV422:
2467         case YUV422_A:
2468                 is_pic_yuv = 1;
2469                 stride = stride_32bit_1;
2470                 uv_stride = stride_32bit_1;
2471                 uv_x_off = xoffset;
2472                 uv_y_off = yoffset;
2473                 fix->line_length = stride;
2474                 uv_y_act = win_par->area_par[0].yact >> 1;
2475                 break;
2476         case YUV420:            /* nv12 */
2477         case YUV420_NV21:       /* nv21 */
2478         case YUV420_A:
2479                 is_pic_yuv = 1;
2480                 stride = stride_32bit_1;
2481                 uv_stride = stride_32bit_1;
2482                 uv_x_off = xoffset;
2483                 uv_y_off = yoffset >> 1;
2484                 fix->line_length = stride;
2485                 uv_y_act = win_par->area_par[0].yact >> 1;
2486                 break;
2487         case YUV444:
2488         case YUV444_A:
2489                 is_pic_yuv = 1;
2490                 stride = stride_32bit_1;
2491                 uv_stride = stride_32bit_2;
2492                 uv_x_off = xoffset * 2;
2493                 uv_y_off = yoffset;
2494                 fix->line_length = stride << 2;
2495                 uv_y_act = win_par->area_par[0].yact;
2496                 break;
2497         default:
2498                 break;
2499         }
2500         if (is_pic_yuv == 1) {
2501                 reg_win_data->reg_area_data[0].cbr_start =
2502                     reg_win_data->reg_area_data[0].smem_start + xvir * yvir;
2503                 reg_win_data->reg_area_data[0].uv_vir_stride = uv_stride >> 2;
2504                 if ((screen->y_mirror == 1) || (reg_win_data->mirror_en)) {
2505                         if (screen->interlace == 1) {
2506                                 reg_win_data->reg_area_data[0].c_offset =
2507                                     uv_y_off * uv_stride * 2 +
2508                                     ((uv_y_act - 1) * 2 + 1) * uv_stride +
2509                                     uv_x_off * pixel_width / 8;
2510                         } else {
2511                                 reg_win_data->reg_area_data[0].c_offset =
2512                                     uv_y_off * uv_stride +
2513                                     (uv_y_act - 1) * uv_stride +
2514                                     uv_x_off * pixel_width / 8;
2515                         }
2516                 } else {
2517                         if (screen->interlace == 1) {
2518                                 reg_win_data->reg_area_data[0].c_offset =
2519                                     uv_y_off * uv_stride * 2 +
2520                                     uv_x_off * pixel_width / 8;
2521                         } else {
2522                                 reg_win_data->reg_area_data[0].c_offset =
2523                                     uv_y_off * uv_stride +
2524                                     uv_x_off * pixel_width / 8;
2525                         }
2526                 }
2527                 buff_len = reg_win_data->reg_area_data[0].cbr_start +
2528                         uv_y_off * uv_stride + uv_x_off * pixel_width / 8 +
2529                         reg_win_data->reg_area_data[0].xvir *
2530                         reg_win_data->reg_area_data[0].yact *
2531                         pixel_width / 16 -
2532                         reg_win_data->reg_area_data[0].smem_start -
2533                         reg_win_data->reg_area_data[0].xoff*
2534                         pixel_width / 16;
2535                 if ((buff_len > reg_win_data->reg_area_data[0].buff_len) &&
2536                      dev_drv->iommu_enabled)
2537                         pr_err("\n!!!!!!error: fmt=%d,xvir[%d]*"
2538                                "yact[%d]*bpp[%d]"
2539                                "=buff_len[0x%x]>>mmu len=0x%x\n",
2540                                fb_data_fmt,
2541                                reg_win_data->reg_area_data[0].xvir,
2542                                reg_win_data->reg_area_data[0].yact,
2543                                pixel_width, buff_len,
2544                                reg_win_data->reg_area_data[0].buff_len);
2545         }
2546
2547         /* record buffer information for rk_fb_disp_scale to prevent fence
2548          * timeout because rk_fb_disp_scale will call function
2549          * info->fbops->fb_set_par(info);
2550          * delete by hjc for new hdmi overscan framework.
2551          */
2552         /* info->var.yoffset = yoffset;
2553          * info->var.xoffset = xoffset;
2554          */
2555         return 0;
2556 }
2557
2558 static int rk_fb_set_win_config(struct fb_info *info,
2559                                 struct rk_fb_win_cfg_data *win_data)
2560 {
2561         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2562         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2563         struct rk_fb_reg_data *regs;
2564 #ifdef H_USE_FENCE
2565         struct sync_fence *release_fence[RK_MAX_BUF_NUM];
2566         struct sync_fence *retire_fence;
2567         struct sync_pt *release_sync_pt[RK_MAX_BUF_NUM];
2568         struct sync_pt *retire_sync_pt;
2569         char fence_name[20];
2570 #endif
2571         int ret = 0, i, j = 0;
2572         int list_is_empty = 0;
2573         struct rk_screen *screen = dev_drv->cur_screen;
2574
2575         mutex_lock(&dev_drv->output_lock);
2576
2577         for (i = 0; i < 4; i++) {
2578                 for (j = 0; j < 4; j++) {
2579                         if ((win_data->win_par[i].area_par[j].ion_fd > 0) ||
2580                             (win_data->win_par[i].area_par[j].phy_addr > 0))
2581                                 ret += rk_fb_check_config_var(
2582                                         &win_data->win_par[i].area_par[j],
2583                                         screen);
2584                 }
2585         }
2586         if ((dev_drv->suspend_flag) || (dev_drv->hdmi_switch) || (ret < 0)) {
2587                 dev_drv->timeline_max++;
2588                 sw_sync_timeline_inc(dev_drv->timeline, 1);
2589                 if (dev_drv->suspend_flag)
2590                         pr_err("suspend_flag=%d\n", dev_drv->suspend_flag);
2591                 else if (dev_drv->hdmi_switch)
2592                         pr_err("hdmi switch = %d\n", dev_drv->hdmi_switch);
2593                 else
2594                         pr_err("error config ,ignore\n");
2595                 for (j = 0; j < RK_MAX_BUF_NUM; j++)
2596                         win_data->rel_fence_fd[j] = -1;
2597                 win_data->ret_fence_fd = -1;
2598                 goto err;
2599         }
2600
2601         regs = kzalloc(sizeof(struct rk_fb_reg_data), GFP_KERNEL);
2602         if (!regs) {
2603                 pr_info("could not allocate rk_fb_reg_data\n");
2604                 ret = -ENOMEM;
2605                 goto err;
2606         }
2607
2608         for (i = 0, j = 0; i < dev_drv->lcdc_win_num; i++) {
2609                 if (win_data->win_par[i].win_id < dev_drv->lcdc_win_num) {
2610                         if (rk_fb_set_win_buffer(info, &win_data->win_par[i],
2611                                                  &regs->reg_win_data[j])) {
2612                                 ret = -ENOMEM;
2613                                 pr_info("error:%s[%d]\n", __func__, __LINE__);
2614                                 goto err2;
2615                         }
2616                         if (regs->reg_win_data[j].area_num > 0) {
2617                                 regs->win_num++;
2618                                 regs->buf_num +=
2619                                     regs->reg_win_data[j].area_buf_num;
2620                         }
2621                         j++;
2622                 } else {
2623                         pr_info("error:win_id bigger than lcdc_win_num\n");
2624                         pr_info("i=%d,win_id=%d\n", i,
2625                                 win_data->win_par[i].win_id);
2626                 }
2627         }
2628         if (dev_drv->property.feature & SUPPORT_WRITE_BACK)
2629                 rk_fb_set_wb_buffer(info, &win_data->wb_cfg,
2630                                     &regs->reg_wb_data);
2631         if (regs->win_num <= 0)
2632                 goto err_null_frame;
2633
2634         dev_drv->timeline_max++;
2635 #ifdef H_USE_FENCE
2636         win_data->ret_fence_fd = get_unused_fd_flags(0);
2637         if (win_data->ret_fence_fd < 0) {
2638                 pr_err("ret_fence_fd=%d\n", win_data->ret_fence_fd);
2639                 win_data->ret_fence_fd = -1;
2640                 ret = -EFAULT;
2641                 goto err2;
2642         }
2643         for (i = 0; i < RK_MAX_BUF_NUM; i++) {
2644                 if (i < regs->buf_num) {
2645                         sprintf(fence_name, "fence%d", i);
2646                         win_data->rel_fence_fd[i] = get_unused_fd_flags(0);
2647                         if (win_data->rel_fence_fd[i] < 0) {
2648                                 pr_info("rel_fence_fd=%d\n",
2649                                         win_data->rel_fence_fd[i]);
2650                                 ret = -EFAULT;
2651                                 goto err2;
2652                         }
2653                         release_sync_pt[i] =
2654                             sw_sync_pt_create(dev_drv->timeline,
2655                                               dev_drv->timeline_max);
2656                         release_fence[i] =
2657                             sync_fence_create(fence_name, release_sync_pt[i]);
2658                         sync_fence_install(release_fence[i],
2659                                            win_data->rel_fence_fd[i]);
2660                 } else {
2661                         win_data->rel_fence_fd[i] = -1;
2662                 }
2663         }
2664
2665         retire_sync_pt =
2666             sw_sync_pt_create(dev_drv->timeline, dev_drv->timeline_max);
2667         retire_fence = sync_fence_create("ret_fence", retire_sync_pt);
2668         sync_fence_install(retire_fence, win_data->ret_fence_fd);
2669 #else
2670         for (i = 0; i < RK_MAX_BUF_NUM; i++)
2671                 win_data->rel_fence_fd[i] = -1;
2672
2673         win_data->ret_fence_fd = -1;
2674 #endif
2675         if (dev_drv->wait_fs == 0) {
2676                 mutex_lock(&dev_drv->update_regs_list_lock);
2677                 list_add_tail(&regs->list, &dev_drv->update_regs_list);
2678                 mutex_unlock(&dev_drv->update_regs_list_lock);
2679                 queue_kthread_work(&dev_drv->update_regs_worker,
2680                                    &dev_drv->update_regs_work);
2681         } else {
2682                 mutex_lock(&dev_drv->update_regs_list_lock);
2683                 list_is_empty = list_empty(&dev_drv->update_regs_list) &&
2684                                         list_empty(&dev_drv->saved_list);
2685                 mutex_unlock(&dev_drv->update_regs_list_lock);
2686                 if (!list_is_empty) {
2687                         ret = wait_event_timeout(dev_drv->update_regs_wait,
2688                                 list_empty(&dev_drv->update_regs_list) && list_empty(&dev_drv->saved_list),
2689                                 msecs_to_jiffies(60));
2690                         if (ret > 0)
2691                                 rk_fb_update_reg(dev_drv, regs);
2692                         else
2693                                 pr_info("%s: wait update_regs_wait timeout\n", __func__);
2694                 } else if (ret == 0) {
2695                         rk_fb_update_reg(dev_drv, regs);
2696                 }
2697         }
2698         if (rk_fb_debug_lvl > 0)
2699                 rk_fb_config_debug(dev_drv, win_data, regs, rk_fb_debug_lvl);
2700         if (rk_fb_iommu_debug > 0)
2701                 rk_fb_config_backup(dev_drv, win_data, regs);
2702 err:
2703         mutex_unlock(&dev_drv->output_lock);
2704         return ret;
2705 err_null_frame:
2706         for (j = 0; j < RK_MAX_BUF_NUM; j++)
2707                 win_data->rel_fence_fd[j] = -1;
2708         win_data->ret_fence_fd = -1;
2709         pr_info("win num = %d,null frame\n", regs->win_num);
2710 err2:
2711         rk_fb_config_debug(dev_drv, win_data, regs, 0);
2712         kfree(regs);
2713         mutex_unlock(&dev_drv->output_lock);
2714
2715         return ret;
2716 }
2717
2718 #if 1
2719 static int cfgdone_distlist[10] = { 0 };
2720
2721 static int cfgdone_index;
2722 static int cfgdone_lasttime;
2723
2724 int rk_get_real_fps(int before)
2725 {
2726         struct timespec now;
2727         int dist_curr;
2728         int dist_total = 0;
2729         int dist_count = 0;
2730         int dist_first = 0;
2731
2732         int index = cfgdone_index;
2733         int i = 0, fps = 0;
2734         int total;
2735
2736         if (before > 100)
2737                 before = 100;
2738         if (before < 0)
2739                 before = 0;
2740
2741         getnstimeofday(&now);
2742         dist_curr = (now.tv_sec * 1000000 + now.tv_nsec / 1000) -
2743                         cfgdone_lasttime;
2744         total = dist_curr;
2745         for (i = 0; i < 10; i++) {
2746                 if (--index < 0)
2747                         index = 9;
2748                 total += cfgdone_distlist[index];
2749                 if (i == 0)
2750                         dist_first = cfgdone_distlist[index];
2751                 if (total < (before * 1000)) {
2752                         dist_total += cfgdone_distlist[index];
2753                         dist_count++;
2754                 } else {
2755                         break;
2756                 }
2757         }
2758
2759         dist_curr = (dist_curr > dist_first) ? dist_curr : dist_first;
2760         dist_total += dist_curr;
2761         dist_count++;
2762
2763         if (dist_total > 0)
2764                 fps = (1000000 * dist_count) / dist_total;
2765         else
2766                 fps = 60;
2767
2768         return fps;
2769 }
2770 EXPORT_SYMBOL(rk_get_real_fps);
2771
2772 #endif
2773 #define ION_MAX 10
2774 static struct ion_handle *ion_hanle[ION_MAX];
2775 static struct ion_handle *ion_hwc[1];
2776 static int rk_fb_ioctl(struct fb_info *info, unsigned int cmd,
2777                        unsigned long arg)
2778 {
2779         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2780         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2781         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2782         struct fb_fix_screeninfo *fix = &info->fix;
2783         struct rk_lcdc_win *win;
2784         int enable;     /* enable fb:1 enable;0 disable */
2785         int ovl;        /* overlay:0 win1 on the top of win0;1,win0 on the top of win1 */
2786         int num_buf;    /* buffer_number */
2787         int ret = 0;
2788         struct rk_fb_win_cfg_data win_data;
2789         unsigned int dsp_addr[4][4];
2790         int list_stat;
2791
2792         int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2793         void __user *argp = (void __user *)arg;
2794
2795         win = dev_drv->win[win_id];
2796         switch (cmd) {
2797         case RK_FBIOSET_HWC_ADDR:
2798         {
2799                 u32 hwc_phy[1];
2800
2801                 if (copy_from_user(hwc_phy, argp, 4))
2802                         return -EFAULT;
2803                 if (!dev_drv->iommu_enabled) {
2804                         fix->smem_start = hwc_phy[0];
2805                 } else {
2806                         int usr_fd;
2807                         struct ion_handle *hdl;
2808                         ion_phys_addr_t phy_addr;
2809                         size_t len;
2810
2811                         usr_fd = hwc_phy[0];
2812                         if (!usr_fd) {
2813                                 fix->smem_start = 0;
2814                                 fix->mmio_start = 0;
2815                                 dev_drv->ops->open(dev_drv, win_id, 0);
2816                                 break;
2817                         }
2818
2819                         if (ion_hwc[0] != 0) {
2820                                 ion_free(rk_fb->ion_client, ion_hwc[0]);
2821                                 ion_hwc[0] = 0;
2822                         }
2823
2824                         hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2825                         if (IS_ERR(hdl)) {
2826                                 dev_err(info->dev, "failed to get hwc ion handle:%ld\n",
2827                                         PTR_ERR(hdl));
2828                                 return -EFAULT;
2829                         }
2830
2831                         ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2832                                             (unsigned long *)&phy_addr,
2833                                             (unsigned long *)&len);
2834                         if (ret < 0) {
2835                                 dev_err(info->dev, "ion map to get hwc phy addr failed");
2836                                 ion_free(rk_fb->ion_client, hdl);
2837                                 return -ENOMEM;
2838                         }
2839                         fix->smem_start = phy_addr;
2840                         ion_hwc[0] = hdl;
2841                 }
2842                 break;
2843         }
2844         case RK_FBIOSET_YUV_ADDR:
2845                 {
2846                         u32 yuv_phy[2];
2847
2848                         if (copy_from_user(yuv_phy, argp, 8))
2849                                 return -EFAULT;
2850                         if (!dev_drv->iommu_enabled || !strcmp(info->fix.id, "fb0")) {
2851                                 fix->smem_start = yuv_phy[0];
2852                                 fix->mmio_start = yuv_phy[1];
2853                         } else {
2854                                 int usr_fd, offset, tmp;
2855                                 struct ion_handle *hdl;
2856                                 ion_phys_addr_t phy_addr;
2857                                 size_t len;
2858
2859                                 usr_fd = yuv_phy[0];
2860                                 offset = yuv_phy[1] - yuv_phy[0];
2861                                 if (!usr_fd) {
2862                                         fix->smem_start = 0;
2863                                         fix->mmio_start = 0;
2864                                         break;
2865                                 }
2866
2867                                 if (ion_hanle[ION_MAX - 1] != 0) {
2868                                         /*ion_unmap_kernel(rk_fb->ion_client,
2869                                          *      ion_hanle[ION_MAX - 1]);
2870                                          *ion_unmap_iommu(dev_drv->dev,
2871                                          *      rk_fb->ion_client,
2872                                          *      ion_hanle[ION_MAX - 1]);
2873                                          */
2874                                         ion_free(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);
2875                                         ion_hanle[ION_MAX - 1] = 0;
2876                                 }
2877
2878                                 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2879                                 if (IS_ERR(hdl)) {
2880                                         dev_err(info->dev, "failed to get ion handle:%ld\n",
2881                                                 PTR_ERR(hdl));
2882                                         return -EFAULT;
2883                                 }
2884
2885                                 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2886                                                     (unsigned long *)&phy_addr,
2887                                                     (unsigned long *)&len);
2888                                 if (ret < 0) {
2889                                         dev_err(info->dev, "ion map to get phy addr failed");
2890                                         ion_free(rk_fb->ion_client, hdl);
2891                                         return -ENOMEM;
2892                                 }
2893                                 fix->smem_start = phy_addr;
2894                                 fix->mmio_start = phy_addr + offset;
2895                                 fix->smem_len = len;
2896                                 /*info->screen_base =
2897                                  *      ion_map_kernel(rk_fb->ion_client, hdl);
2898                                  */
2899                                 ion_hanle[0] = hdl;
2900                                 for (tmp = ION_MAX - 1; tmp > 0; tmp--)
2901                                         ion_hanle[tmp] = ion_hanle[tmp - 1];
2902                                 ion_hanle[0] = 0;
2903                         }
2904                         break;
2905                 }
2906         case RK_FBIOSET_ENABLE:
2907                 if (copy_from_user(&enable, argp, sizeof(enable)))
2908                         return -EFAULT;
2909                                 if (enable && fb_par->state)
2910                                         fb_par->state++;
2911                                 else
2912                                         fb_par->state--;
2913                 dev_drv->ops->open(dev_drv, win_id, enable);
2914                 break;
2915         case RK_FBIOGET_ENABLE:
2916                 enable = dev_drv->ops->get_win_state(dev_drv, win_id, 0);
2917                 if (copy_to_user(argp, &enable, sizeof(enable)))
2918                         return -EFAULT;
2919                 break;
2920         case RK_FBIOSET_OVERLAY_STA:
2921                 if (copy_from_user(&ovl, argp, sizeof(ovl)))
2922                         return -EFAULT;
2923                 dev_drv->ops->ovl_mgr(dev_drv, ovl, 1);
2924                 break;
2925         case RK_FBIOGET_OVERLAY_STA:
2926                 ovl = dev_drv->ops->ovl_mgr(dev_drv, 0, 0);
2927                 if (copy_to_user(argp, &ovl, sizeof(ovl)))
2928                         return -EFAULT;
2929                 break;
2930         case RK_FBIOPUT_NUM_BUFFERS:
2931                 if (copy_from_user(&num_buf, argp, sizeof(num_buf)))
2932                         return -EFAULT;
2933                 dev_drv->num_buf = num_buf;
2934                 break;
2935         case RK_FBIOSET_VSYNC_ENABLE:
2936                 if (copy_from_user(&enable, argp, sizeof(enable)))
2937                         return -EFAULT;
2938                 if (enable)
2939                         dev_drv->vsync_info.active++;
2940                 else
2941                         dev_drv->vsync_info.active--;
2942                 break;
2943         case RK_FBIOGET_DSP_ADDR:
2944                 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
2945                 if (copy_to_user(argp, &dsp_addr, sizeof(dsp_addr)))
2946                         return -EFAULT;
2947                 break;
2948         case RK_FBIOGET_LIST_STA:
2949                 list_stat = rk_fb_get_list_stat(dev_drv);
2950                 if (copy_to_user(argp, &list_stat, sizeof(list_stat)))
2951                         return -EFAULT;
2952
2953                 break;
2954         case RK_FBIOGET_IOMMU_STA:
2955                 if (copy_to_user(argp, &dev_drv->iommu_enabled,
2956                                  sizeof(dev_drv->iommu_enabled)))
2957                         return -EFAULT;
2958                 break;
2959 #if defined(CONFIG_ION_ROCKCHIP)
2960         case RK_FBIOSET_DMABUF_FD:
2961                 {
2962                         int usr_fd;
2963                         struct ion_handle *hdl;
2964                         ion_phys_addr_t phy_addr;
2965                         size_t len;
2966
2967                         if (copy_from_user(&usr_fd, argp, sizeof(usr_fd)))
2968                                 return -EFAULT;
2969
2970                         hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2971                         ion_phys(rk_fb->ion_client, hdl, &phy_addr, &len);
2972                         fix->smem_start = phy_addr;
2973                         break;
2974                 }
2975         case RK_FBIOGET_DMABUF_FD:
2976                 {
2977                         int fd = -1;
2978
2979                         if (IS_ERR_OR_NULL(fb_par->ion_hdl)) {
2980                                 dev_err(info->dev,
2981                                         "get dma_buf fd failed,ion handle is err\n");
2982                                 return PTR_ERR(fb_par->ion_hdl);
2983                         }
2984                         fd = ion_share_dma_buf_fd(rk_fb->ion_client,
2985                                                   fb_par->ion_hdl);
2986                         if (fd < 0) {
2987                                 dev_err(info->dev,
2988                                         "ion_share_dma_buf_fd failed\n");
2989                                 return fd;
2990                         }
2991                         if (copy_to_user(argp, &fd, sizeof(fd)))
2992                                 return -EFAULT;
2993                         break;
2994                 }
2995 #endif
2996         case RK_FBIOSET_CLEAR_FB:
2997                 memset(fb_par->fb_virt_base, 0, fb_par->fb_size);
2998                 break;
2999         case RK_FBIOSET_CONFIG_DONE:
3000                 {
3001                         int curr = 0;
3002                         struct timespec now;
3003
3004                         getnstimeofday(&now);
3005                         curr = now.tv_sec * 1000000 + now.tv_nsec / 1000;
3006                         cfgdone_distlist[cfgdone_index++] =
3007                                 curr - cfgdone_lasttime;
3008                         cfgdone_lasttime = curr;
3009                         if (cfgdone_index >= 10)
3010                                 cfgdone_index = 0;
3011                 }
3012                 if (is_car_camcap()) {
3013                         int i = 0;
3014
3015                         for (i = 0; i < RK_MAX_BUF_NUM; i++)
3016                                 win_data.rel_fence_fd[i] = -1;
3017
3018                         win_data.ret_fence_fd = -1;
3019                         goto cam_exit;
3020                 }
3021                 if (copy_from_user(&win_data,
3022                                    (struct rk_fb_win_cfg_data __user *)argp,
3023                                    sizeof(win_data))) {
3024                         ret = -EFAULT;
3025                         break;
3026                 };
3027
3028                 dev_drv->wait_fs = win_data.wait_fs;
3029                 ret = rk_fb_set_win_config(info, &win_data);
3030
3031 cam_exit:
3032                 if (copy_to_user((struct rk_fb_win_cfg_data __user *)arg,
3033                                  &win_data, sizeof(win_data))) {
3034                         ret = -EFAULT;
3035                         break;
3036                 }
3037                 memset(&win_data, 0, sizeof(struct rk_fb_win_cfg_data));
3038
3039                 if (dev_drv->uboot_logo)
3040                         dev_drv->uboot_logo = 0;
3041
3042                 break;
3043         default:
3044                 dev_drv->ops->ioctl(dev_drv, cmd, arg, win_id);
3045                 break;
3046         }
3047
3048         return ret;
3049 }
3050
3051 static int rk_fb_blank(int blank_mode, struct fb_info *info)
3052 {
3053         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
3054         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3055         struct fb_fix_screeninfo *fix = &info->fix;
3056         int win_id;
3057 #if defined(CONFIG_RK_HDMI)
3058         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
3059 #endif
3060
3061         if (is_car_camcap())
3062                 return 0;
3063         win_id = dev_drv->ops->fb_get_win_id(dev_drv, fix->id);
3064         if (win_id < 0)
3065                 return -ENODEV;
3066         mutex_lock(&dev_drv->switch_screen);
3067 #if defined(CONFIG_RK_HDMI)
3068         if ((rk_fb->disp_mode == ONE_DUAL) &&
3069             (hdmi_get_hotplug() == HDMI_HPD_ACTIVATED)) {
3070                 pr_info("hdmi is connect , not blank lcdc\n");
3071         } else
3072 #endif
3073         {
3074                 dev_drv->ops->blank(dev_drv, win_id, blank_mode);
3075         }
3076         mutex_unlock(&dev_drv->switch_screen);
3077         return 0;
3078 }
3079
3080 static int rk_fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
3081 {
3082         if ((0 == var->xres_virtual) || (0 == var->yres_virtual) ||
3083             (0 == var->xres) || (0 == var->yres) || (var->xres < 16) ||
3084             ((16 != var->bits_per_pixel) &&
3085             (32 != var->bits_per_pixel) &&
3086             (24 != var->bits_per_pixel))) {
3087                 dev_err(info->dev, "%s check var fail 1:\n"
3088                         "xres_vir:%d>>yres_vir:%d\n"
3089                         "xres:%d>>yres:%d\n"
3090                         "bits_per_pixel:%d\n",
3091                         info->fix.id,
3092                         var->xres_virtual,
3093                         var->yres_virtual,
3094                         var->xres, var->yres, var->bits_per_pixel);
3095                 return -EINVAL;
3096         }
3097
3098         if (((var->xoffset + var->xres) > var->xres_virtual) ||
3099             ((var->yoffset + var->yres) > (var->yres_virtual))) {
3100                 dev_err(info->dev, "%s check_var fail 2:\n"
3101                         "xoffset:%d>>xres:%d>>xres_vir:%d\n"
3102                         "yoffset:%d>>yres:%d>>yres_vir:%d\n",
3103                         info->fix.id,
3104                         var->xoffset,
3105                         var->xres,
3106                         var->xres_virtual,
3107                         var->yoffset, var->yres, var->yres_virtual);
3108                 return -EINVAL;
3109         }
3110
3111         return 0;
3112 }
3113
3114 static ssize_t rk_fb_read(struct fb_info *info, char __user *buf,
3115                           size_t count, loff_t *ppos)
3116 {
3117         unsigned long p = *ppos;
3118         u8 *buffer, *dst;
3119         u8 __iomem *src;
3120         int c, cnt = 0, err = 0;
3121         unsigned long total_size;
3122         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
3123         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3124         struct rk_lcdc_win *win = NULL;
3125         int win_id = 0;
3126
3127         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3128         if (win_id < 0)
3129                 return -ENODEV;
3130         else
3131                 win = dev_drv->win[win_id];
3132
3133         /* only read the current frame buffer */
3134         if (win->area[0].format == RGB565) {
3135                 total_size = win->area[0].y_vir_stride * win->area[0].yact << 1;
3136         } else if ((win->area[0].format == YUV420) ||
3137                    (win->area[0].format == YUV420_NV21)) {
3138                 total_size =
3139                     (win->area[0].y_vir_stride * win->area[0].yact * 6);
3140         } else {
3141                 total_size = win->area[0].y_vir_stride * win->area[0].yact << 2;
3142         }
3143         if (p >= total_size)
3144                 return 0;
3145
3146         if (count >= total_size)
3147                 count = total_size;
3148
3149         if (count + p > total_size)
3150                 count = total_size - p;
3151
3152         buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
3153         if (!buffer)
3154                 return -ENOMEM;
3155
3156         src = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
3157
3158         while (count) {
3159                 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
3160                 dst = buffer;
3161                 fb_memcpy_fromfb(dst, src, c);
3162                 dst += c;
3163                 src += c;
3164
3165                 if (copy_to_user(buf, buffer, c)) {
3166                         err = -EFAULT;
3167                         break;
3168                 }
3169                 *ppos += c;
3170                 buf += c;
3171                 cnt += c;
3172                 count -= c;
3173         }
3174
3175         kfree(buffer);
3176
3177         return (err) ? err : cnt;
3178 }
3179
3180 static ssize_t rk_fb_write(struct fb_info *info, const char __user *buf,
3181                            size_t count, loff_t *ppos)
3182 {
3183         unsigned long p = *ppos;
3184         u8 *buffer, *src;
3185         u8 __iomem *dst;
3186         int c, cnt = 0, err = 0;
3187         unsigned long total_size;
3188         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
3189         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3190         struct rk_lcdc_win *win = NULL;
3191         int win_id = 0;
3192
3193         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3194         if (win_id < 0)
3195                 return -ENODEV;
3196         else
3197                 win = dev_drv->win[win_id];
3198
3199         /* write the current frame buffer */
3200         if (win->area[0].format == RGB565)
3201                 total_size = win->area[0].xact * win->area[0].yact << 1;
3202         else
3203                 total_size = win->area[0].xact * win->area[0].yact << 2;
3204
3205         if (p > total_size)
3206                 return -EFBIG;
3207
3208         if (count > total_size) {
3209                 err = -EFBIG;
3210                 count = total_size;
3211         }
3212
3213         if (count + p > total_size) {
3214                 if (!err)
3215                         err = -ENOSPC;
3216
3217                 count = total_size - p;
3218         }
3219
3220         buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
3221         if (!buffer)
3222                 return -ENOMEM;
3223
3224         dst = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
3225
3226         while (count) {
3227                 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
3228                 src = buffer;
3229
3230                 if (copy_from_user(src, buf, c)) {
3231                         err = -EFAULT;
3232                         break;
3233                 }
3234
3235                 fb_memcpy_tofb(dst, src, c);
3236                 dst += c;
3237                 src += c;
3238                 *ppos += c;
3239                 buf += c;
3240                 cnt += c;
3241                 count -= c;
3242         }
3243
3244         kfree(buffer);
3245
3246         return (cnt) ? cnt : err;
3247 }
3248
3249 static int rk_fb_set_par(struct fb_info *info)
3250 {
3251         struct fb_var_screeninfo *var = &info->var;
3252         struct fb_fix_screeninfo *fix = &info->fix;
3253         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
3254         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3255         struct rk_lcdc_win *win = NULL;
3256         struct rk_screen *screen = dev_drv->cur_screen;
3257         int win_id = 0;
3258         u16 xsize = 0, ysize = 0;       /* winx display window height/width --->LCDC_WINx_DSP_INFO */
3259         u32 xoffset = var->xoffset;     /* offset from virtual to visible */
3260         u32 yoffset = var->yoffset;
3261         u16 xpos = (var->nonstd >> 8) & 0xfff;  /*visiable pos in panel */
3262         u16 ypos = (var->nonstd >> 20) & 0xfff;
3263         u32 xvir = var->xres_virtual;
3264         u8 data_format = var->nonstd & 0xff;
3265         u8 fb_data_fmt;
3266         u8 pixel_width = 0;
3267         u32 vir_width_bit;
3268         u32 stride, uv_stride = 0;
3269         u32 stride_32bit_1;
3270         u32 stride_32bit_2;
3271         u16 uv_x_off, uv_y_off, uv_y_act;
3272         u8 is_pic_yuv = 0;
3273         /*var->pixclock = dev_drv->pixclock;*/
3274         if (dev_drv->suspend_flag || is_car_camcap())
3275                 return 0;
3276         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3277         if (win_id < 0)
3278                 return -ENODEV;
3279         else
3280                 win = dev_drv->win[win_id];
3281
3282         /* if the application has specific the hor and ver display size */
3283         if (var->grayscale >> 8) {
3284                 xsize = (var->grayscale >> 8) & 0xfff;
3285                 ysize = (var->grayscale >> 20) & 0xfff;
3286                 if (xsize > screen->mode.xres)
3287                         xsize = screen->mode.xres;
3288                 if (ysize > screen->mode.yres)
3289                         ysize = screen->mode.yres;
3290         } else {                /*ohterwise  full  screen display */
3291                 xsize = screen->mode.xres;
3292                 ysize = screen->mode.yres;
3293         }
3294
3295         win->colorspace = CSC_FORMAT(data_format);
3296         data_format &= ~CSC_MASK;
3297         fb_data_fmt = rk_fb_data_fmt(data_format, var->bits_per_pixel);
3298         if (IS_FBDC_FMT(fb_data_fmt)) {
3299                 win->area[0].fbdc_en = 1;
3300                 win->area[0].fbdc_cor_en = 1;
3301         } else {
3302                 win->area[0].fbdc_en = 0;
3303                 win->area[0].fbdc_cor_en = 0;
3304         }
3305         pixel_width = rk_fb_pixel_width(fb_data_fmt);
3306         vir_width_bit = pixel_width * xvir;
3307         /* pixel_width = byte_num * 8 */
3308         stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
3309         stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
3310
3311         switch (fb_data_fmt) {
3312         case YUV422:
3313         case YUV422_A:
3314                 is_pic_yuv = 1;
3315                 stride = stride_32bit_1;
3316                 uv_stride = stride_32bit_1;
3317                 uv_x_off = xoffset;
3318                 uv_y_off = yoffset;
3319                 fix->line_length = stride;
3320                 uv_y_act = win->area[0].yact >> 1;
3321                 break;
3322         case YUV420:            /* nv12 */
3323         case YUV420_NV21:       /* nv21 */
3324         case YUV420_A:
3325                 is_pic_yuv = 1;
3326                 stride = stride_32bit_1;
3327                 uv_stride = stride_32bit_1;
3328                 uv_x_off = xoffset;
3329                 uv_y_off = yoffset >> 1;
3330                 fix->line_length = stride;
3331                 uv_y_act = win->area[0].yact >> 1;
3332                 break;
3333         case YUV444:
3334         case YUV444_A:
3335                 is_pic_yuv = 1;
3336                 stride = stride_32bit_1;
3337                 uv_stride = stride_32bit_2;
3338                 uv_x_off = xoffset * 2;
3339                 uv_y_off = yoffset;
3340                 fix->line_length = stride << 2;
3341                 uv_y_act = win->area[0].yact;
3342                 break;
3343         default:
3344                 stride = stride_32bit_1;        /* default rgb */
3345                 fix->line_length = stride;
3346                 break;
3347         }
3348
3349         win->area[0].format = fb_data_fmt;
3350         win->area[0].y_vir_stride = stride >> 2;
3351         win->area[0].uv_vir_stride = uv_stride >> 2;
3352         win->area[0].xpos = xpos;
3353         win->area[0].ypos = ypos;
3354         win->area[0].xsize = xsize;
3355         win->area[0].ysize = ysize;
3356         win->area[0].xact = var->xres;  /* winx active window height,is a wint of vir */
3357         win->area[0].yact = var->yres;
3358         win->area[0].xvir = var->xres_virtual;  /* virtual resolution  stride --->LCDC_WINx_VIR */
3359         win->area[0].yvir = var->yres_virtual;
3360         win->area[0].xoff = xoffset;
3361         win->area[0].yoff = yoffset;
3362         win->ymirror = 0;
3363         win->state = 1;
3364         win->last_state = 1;
3365
3366         win->area_num = 1;
3367         win->alpha_mode = 4;    /* AB_SRC_OVER; */
3368         win->alpha_en = ((win->area[0].format == ARGB888) ||
3369                          (win->area[0].format == FBDC_ARGB_888) ||
3370                          (win->area[0].format == FBDC_ABGR_888) ||
3371                          (win->area[0].format == ABGR888)) ? 1 : 0;
3372         win->g_alpha_val = 0;
3373
3374         dev_drv->ops->set_par(dev_drv, win_id);
3375
3376         return 0;
3377 }
3378
3379 static inline unsigned int chan_to_field(unsigned int chan,
3380                                          struct fb_bitfield *bf)
3381 {
3382         chan &= 0xffff;
3383         chan >>= 16 - bf->length;
3384         return chan << bf->offset;
3385 }
3386
3387 static int fb_setcolreg(unsigned regno,
3388                         unsigned red, unsigned green, unsigned blue,
3389                         unsigned transp, struct fb_info *info)
3390 {
3391         unsigned int val;
3392
3393         switch (info->fix.visual) {
3394         case FB_VISUAL_TRUECOLOR:
3395                 /* true-colour, use pseudo-palette */
3396                 if (regno < 16) {
3397                         u32 *pal = info->pseudo_palette;
3398
3399                         val = chan_to_field(red, &info->var.red);
3400                         val |= chan_to_field(green, &info->var.green);
3401                         val |= chan_to_field(blue, &info->var.blue);
3402                         pal[regno] = val;
3403                 }
3404                 break;
3405         default:
3406                 return -1;      /* unknown type */
3407         }
3408
3409         return 0;
3410 }
3411
3412 static int rk_fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
3413 {
3414         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3415         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
3416         struct ion_handle *handle = fb_par->ion_hdl;
3417         struct dma_buf *dma_buf = NULL;
3418
3419         if (IS_ERR_OR_NULL(handle)) {
3420                 dev_err(info->dev, "failed to get ion handle:%ld\n",
3421                         PTR_ERR(handle));
3422                 return -ENOMEM;
3423         }
3424         dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3425         if (IS_ERR_OR_NULL(dma_buf)) {
3426                 pr_info("get ion share dma buf failed\n");
3427                 return -ENOMEM;
3428         }
3429
3430         vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
3431
3432         return dma_buf_mmap(dma_buf, vma, 0);
3433 }
3434
3435 static struct fb_ops fb_ops = {
3436         .owner = THIS_MODULE,
3437         .fb_open = rk_fb_open,
3438         .fb_release = rk_fb_close,
3439         .fb_check_var = rk_fb_check_var,
3440         .fb_set_par = rk_fb_set_par,
3441         .fb_blank = rk_fb_blank,
3442         .fb_ioctl = rk_fb_ioctl,
3443         .fb_compat_ioctl = rk_fb_ioctl,
3444         .fb_pan_display = rk_fb_pan_display,
3445         .fb_read = rk_fb_read,
3446         .fb_write = rk_fb_write,
3447         .fb_setcolreg = fb_setcolreg,
3448         .fb_fillrect = cfb_fillrect,
3449         .fb_copyarea = cfb_copyarea,
3450         .fb_imageblit = cfb_imageblit,
3451 };
3452
3453 static struct fb_var_screeninfo def_var = {
3454 #if defined(CONFIG_LOGO_LINUX_BMP)
3455         .red = {16, 8, 0},
3456         .green = {8, 8, 0},
3457         .blue = {0, 8, 0},
3458         .transp = {0, 0, 0},
3459         .nonstd = HAL_PIXEL_FORMAT_BGRA_8888,
3460 #else
3461         .red = {11, 5, 0},
3462         .green = {5, 6, 0},
3463         .blue = {0, 5, 0},
3464         .transp = {0, 0, 0},
3465         .nonstd = HAL_PIXEL_FORMAT_RGB_565,     /* (ypos<<20+xpos<<8+format) format */
3466 #endif
3467         .grayscale = 0,         /* (ysize<<20+xsize<<8) */
3468         .activate = FB_ACTIVATE_NOW,
3469         .accel_flags = 0,
3470         .vmode = FB_VMODE_NONINTERLACED,
3471 };
3472
3473 static struct fb_fix_screeninfo def_fix = {
3474         .type = FB_TYPE_PACKED_PIXELS,
3475         .type_aux = 0,
3476         .xpanstep = 1,
3477         .ypanstep = 1,
3478         .ywrapstep = 0,
3479         .accel = FB_ACCEL_NONE,
3480         .visual = FB_VISUAL_TRUECOLOR,
3481
3482 };
3483
3484 static int rk_fb_wait_for_vsync_thread(void *data)
3485 {
3486         struct rk_lcdc_driver *dev_drv = data;
3487         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3488         struct fb_info *fbi = rk_fb->fb[dev_drv->fb_index_base];
3489
3490         while (!kthread_should_stop()) {
3491                 ktime_t timestamp = dev_drv->vsync_info.timestamp;
3492                 int ret = wait_event_interruptible(dev_drv->vsync_info.wait,
3493                                 !ktime_equal(timestamp, dev_drv->vsync_info.timestamp) &&
3494                                 (dev_drv->vsync_info.active > 0 || dev_drv->vsync_info.irq_stop));
3495
3496                 if (!ret)
3497                         sysfs_notify(&fbi->dev->kobj, NULL, "vsync");
3498         }
3499
3500         return 0;
3501 }
3502
3503 static ssize_t rk_fb_vsync_show(struct device *dev,
3504                                 struct device_attribute *attr, char *buf)
3505 {
3506         struct fb_info *fbi = dev_get_drvdata(dev);
3507         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3508         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3509
3510         return scnprintf(buf, PAGE_SIZE, "%llu\n",
3511                          ktime_to_ns(dev_drv->vsync_info.timestamp));
3512 }
3513
3514 static DEVICE_ATTR(vsync, S_IRUGO, rk_fb_vsync_show, NULL);
3515
3516 /*
3517  * this two function is for other module that in the kernel which
3518  * need show image directly through fb
3519  * fb_id:we have 4 fb here,default we use fb0 for ui display
3520  */
3521 struct fb_info *rk_get_fb(int fb_id)
3522 {
3523         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3524         struct fb_info *fb = inf->fb[fb_id];
3525         return fb;
3526 }
3527 EXPORT_SYMBOL(rk_get_fb);
3528
3529 void rk_direct_fb_show(struct fb_info *fbi)
3530 {
3531         rk_fb_set_par(fbi);
3532         rk_fb_pan_display(&fbi->var, fbi);
3533 }
3534 EXPORT_SYMBOL(rk_direct_fb_show);
3535
3536 int rk_fb_dpi_open(bool open)
3537 {
3538         struct rk_lcdc_driver *dev_drv = NULL;
3539
3540         dev_drv = rk_get_prmry_lcdc_drv();
3541         if (dev_drv->ops->dpi_open)
3542                 dev_drv->ops->dpi_open(dev_drv, open);
3543         return 0;
3544 }
3545
3546 int rk_fb_dpi_win_sel(int win_id)
3547 {
3548         struct rk_lcdc_driver *dev_drv = NULL;
3549
3550         dev_drv = rk_get_prmry_lcdc_drv();
3551         if (dev_drv->ops->dpi_win_sel)
3552                 dev_drv->ops->dpi_win_sel(dev_drv, win_id);
3553         return 0;
3554 }
3555
3556 int rk_fb_dpi_status(void)
3557 {
3558         int ret = 0;
3559         struct rk_lcdc_driver *dev_drv = NULL;
3560
3561         dev_drv = rk_get_prmry_lcdc_drv();
3562         if (dev_drv->ops->dpi_status)
3563                 ret = dev_drv->ops->dpi_status(dev_drv);
3564
3565         return ret;
3566 }
3567
3568 /*
3569  * function: this function will be called by display device, enable/disable lcdc
3570  * @screen: screen timing to be set to lcdc
3571  * @enable: 0 disable lcdc; 1 enable change lcdc timing; 2 just enable dclk
3572  * @lcdc_id: the lcdc id the display device attached ,0 or 1
3573  */
3574 int rk_fb_switch_screen(struct rk_screen *screen, int enable, int lcdc_id)
3575 {
3576         struct rk_fb *rk_fb =  platform_get_drvdata(fb_pdev);
3577         struct fb_info *info = NULL;
3578         struct rk_fb_par *fb_par = NULL;
3579         struct rk_lcdc_driver *dev_drv = NULL;
3580         struct rk_lcdc_win *win;
3581         char name[6] = {0};
3582         int i, win_id;
3583         static bool load_screen;
3584         char *envp[4];
3585         char envplcdc[32];
3586         char envpfbdev[32];
3587         int ret, list_is_empty = 0;
3588
3589         if (unlikely(!rk_fb) || unlikely(!screen))
3590                 return -ENODEV;
3591
3592         /* get lcdc driver */
3593         sprintf(name, "lcdc%d", lcdc_id);
3594         dev_drv = rk_get_lcdc_drv(name);
3595
3596         if (dev_drv == NULL) {
3597                 pr_err("%s driver not found!", name);
3598                 return -ENODEV;
3599         }
3600         if (screen->type == SCREEN_HDMI)
3601                 pr_info("hdmi %s lcdc%d\n",
3602                         enable ? "connect to" : "remove from",
3603                         dev_drv->id);
3604         else if (screen->type == SCREEN_TVOUT ||
3605                  screen->type == SCREEN_TVOUT_TEST)
3606                 pr_info("cvbs %s lcdc%d\n",
3607                         enable ? "connect to" : "remove from",
3608                         dev_drv->id);
3609         if (enable == 2 /*&& dev_drv->enable*/)
3610                 return 0;
3611         pr_info("switch:en=%d,lcdc_id=%d,screen type=%d,cur type=%d",
3612                 enable, lcdc_id, screen->type, dev_drv->cur_screen->type);
3613         pr_info("data space: %d, color mode: %d\n",
3614                 screen->data_space, screen->color_mode);
3615
3616         mutex_lock(&dev_drv->switch_screen);
3617         dev_drv->hot_plug_state = enable;
3618         hdmi_switch_state = 0;
3619         dev_drv->hdmi_switch = 1;
3620         if (!dev_drv->uboot_logo) {
3621                 mdelay(200);
3622                 list_is_empty = list_empty(&dev_drv->update_regs_list) &&
3623                                            list_empty(&dev_drv->saved_list);
3624                 if (!list_is_empty) {
3625                         ret = wait_event_timeout(dev_drv->update_regs_wait,
3626                                                  list_empty(&dev_drv->update_regs_list) &&
3627                                                  list_empty(&dev_drv->saved_list),
3628                                                  msecs_to_jiffies(60));
3629                         if (ret <= 0)
3630                                 pr_info("%s: wait update_regs_wait timeout\n",
3631                                         __func__);
3632                 }
3633         }
3634
3635         envp[0] = "switch vop screen";
3636         memset(envplcdc, 0, sizeof(envplcdc));
3637         memset(envpfbdev, 0, sizeof(envpfbdev));
3638         sprintf(envplcdc, "SCREEN=%d,ENABLE=%d,VOPID=%d", screen->type, enable, dev_drv->id);
3639         sprintf(envpfbdev, "FBDEV=%d", dev_drv->fb_index_base);
3640         envp[1] = envplcdc;
3641         envp[2] = envpfbdev;
3642         envp[3] = NULL;
3643
3644         if ((rk_fb->disp_mode == ONE_DUAL) ||
3645             (rk_fb->disp_mode == NO_DUAL)) {
3646                 if ((dev_drv->ops->backlight_close) &&
3647                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX))
3648                         dev_drv->ops->backlight_close(dev_drv, 1);
3649                 if (!dev_drv->uboot_logo || load_screen ||
3650                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX)) {
3651                         if (dev_drv->ops->dsp_black)
3652                                 dev_drv->ops->dsp_black(dev_drv, 0);
3653                 }
3654                 if ((dev_drv->ops->set_screen_scaler) &&
3655                     (rk_fb->disp_mode == ONE_DUAL))
3656                         dev_drv->ops->set_screen_scaler(dev_drv,
3657                                                         dev_drv->screen0, 0);
3658         }
3659         if (!enable) {
3660                 /* if screen type is different, we do not disable lcdc. */
3661                 if (dev_drv->cur_screen->type != screen->type) {
3662                         dev_drv->hdmi_switch = 0;
3663                         mutex_unlock(&dev_drv->switch_screen);
3664                         return 0;
3665                 }
3666
3667                 /* if used one lcdc to dual disp, no need to close win */
3668                 if ((rk_fb->disp_mode == ONE_DUAL) ||
3669                     ((rk_fb->disp_mode == NO_DUAL) &&
3670                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX))) {
3671                         dev_drv->cur_screen = dev_drv->screen0;
3672                         dev_drv->ops->load_screen(dev_drv, 1);
3673                         /* force modify dsp size */
3674                         info = rk_fb->fb[dev_drv->fb_index_base];
3675                         info->var.grayscale &= 0xff;
3676                         info->var.grayscale |=
3677                                 (dev_drv->cur_screen->mode.xres << 8) +
3678                                 (dev_drv->cur_screen->mode.yres << 20);
3679                         mutex_lock(&dev_drv->win_config);
3680                         info->var.xoffset = 0;
3681                         info->var.yoffset = 0;
3682                         info->fbops->fb_set_par(info);
3683                         info->fbops->fb_pan_display(&info->var, info);
3684                         mutex_unlock(&dev_drv->win_config);
3685
3686                         /*
3687                          * if currently is loader display, black until new
3688                          * display job.
3689                          */
3690                         if (dev_drv->uboot_logo) {
3691                                 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3692                                         if (dev_drv->win[i] && dev_drv->win[i]->state &&
3693                                             dev_drv->ops->win_direct_en)
3694                                                 dev_drv->ops->win_direct_en(dev_drv, i, 0);
3695                                 }
3696                         }
3697
3698                         /*if (dev_drv->ops->dsp_black)
3699                          *      dev_drv->ops->dsp_black(dev_drv, 0);
3700                          */
3701                         if ((dev_drv->ops->backlight_close) &&
3702                             (rk_fb->disp_policy != DISPLAY_POLICY_BOX))
3703                                 dev_drv->ops->backlight_close(dev_drv, 0);
3704                 } else if (rk_fb->num_lcdc > 1) {
3705                         /* If there is more than one lcdc device, we disable
3706                          *  the layer which attached to this device
3707                          */
3708                         flush_kthread_worker(&dev_drv->update_regs_worker);
3709                         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3710                                 if (dev_drv->win[i] && dev_drv->win[i]->state)
3711                                         dev_drv->ops->open(dev_drv, i, 0);
3712                         }
3713                 }
3714                 kobject_uevent_env(&dev_drv->dev->kobj, KOBJ_CHANGE, envp);
3715
3716                 hdmi_switch_state = 0;
3717                 dev_drv->hdmi_switch = 0;
3718                 mutex_unlock(&dev_drv->switch_screen);
3719                 return 0;
3720         } else {
3721                 if (load_screen || (rk_fb->disp_policy != DISPLAY_POLICY_BOX)) {
3722                         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3723                                 if (dev_drv->win[i] && dev_drv->win[i]->state &&
3724                                         dev_drv->ops->win_direct_en)
3725                                         dev_drv->ops->win_direct_en(dev_drv, i, 0);
3726                         }
3727                 }
3728                 if (dev_drv->screen1)
3729                         dev_drv->cur_screen = dev_drv->screen1;
3730
3731                 memcpy(dev_drv->cur_screen, screen, sizeof(struct rk_screen));
3732                 dev_drv->cur_screen->xsize = dev_drv->cur_screen->mode.xres;
3733                 dev_drv->cur_screen->ysize = dev_drv->cur_screen->mode.yres;
3734                 dev_drv->cur_screen->x_mirror =
3735                                         !!(dev_drv->rotate_mode & X_MIRROR);
3736                 dev_drv->cur_screen->y_mirror =
3737                                         !!(dev_drv->rotate_mode & Y_MIRROR);
3738         }
3739
3740         if (!dev_drv->uboot_logo || load_screen ||
3741             (rk_fb->disp_policy != DISPLAY_POLICY_BOX)) {
3742                 info = rk_fb->fb[dev_drv->fb_index_base];
3743                 fb_par = (struct rk_fb_par *)info->par;
3744                 win_id = 0;
3745                 win = dev_drv->win[win_id];
3746                 if (win && fb_par->state) {
3747                         dev_drv->ops->load_screen(dev_drv, 1);
3748                         info->var.activate |= FB_ACTIVATE_FORCE;
3749                         if (rk_fb->disp_mode == ONE_DUAL) {
3750                                 info->var.grayscale &= 0xff;
3751                                 info->var.grayscale |=
3752                                         (dev_drv->cur_screen->xsize << 8) +
3753                                         (dev_drv->cur_screen->ysize << 20);
3754                         }
3755                         if (dev_drv->uboot_logo && win->state) {
3756                                 if (win->area[0].xpos ||
3757                                     win->area[0].ypos) {
3758                                         win->area[0].xpos =
3759                                                 (screen->mode.xres -
3760                                                  win->area[0].xsize) / 2;
3761                                         win->area[0].ypos =
3762                                                 (screen->mode.yres -
3763                                                  win->area[0].ysize) / 2;
3764                                 } else {
3765                                         win->area[0].xsize = screen->mode.xres;
3766                                         win->area[0].ysize = screen->mode.yres;
3767                                 }
3768                                 dev_drv->ops->set_par(dev_drv, i);
3769                                 dev_drv->ops->cfg_done(dev_drv);
3770                         } else if (!dev_drv->win[win_id]->state) {
3771                                 dev_drv->ops->open(dev_drv, win_id, 1);
3772                                 info->fbops->fb_pan_display(&info->var, info);
3773                         }
3774                 }
3775         } else {
3776                 dev_drv->ops->load_screen(dev_drv, 0);
3777         }
3778         kobject_uevent_env(&dev_drv->dev->kobj, KOBJ_CHANGE, envp);
3779
3780         if (dev_drv->cur_screen->width && dev_drv->cur_screen->height) {
3781                 /* for vr auto dp support */
3782                 info = rk_fb->fb[dev_drv->fb_index_base];
3783                 info->var.width = dev_drv->cur_screen->width;
3784                 info->var.height = dev_drv->cur_screen->height;
3785                 pr_info("%s:info->var.width=%d, info->var.height=%d\n",
3786                         __func__, info->var.width, info->var.height);
3787         }
3788
3789         hdmi_switch_state = 1;
3790         load_screen = true;
3791         dev_drv->hdmi_switch = 0;
3792         if ((rk_fb->disp_mode == ONE_DUAL) || (rk_fb->disp_mode == NO_DUAL)) {
3793                 if ((dev_drv->ops->set_screen_scaler) &&
3794                     (rk_fb->disp_mode == ONE_DUAL))
3795                         dev_drv->ops->set_screen_scaler(dev_drv,
3796                                                         dev_drv->screen0, 1);
3797                 /*if (dev_drv->ops->dsp_black)
3798                  *      dev_drv->ops->dsp_black(dev_drv, 0);*/
3799                 if ((dev_drv->ops->backlight_close) &&
3800                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
3801                     (rk_fb->disp_mode == ONE_DUAL))
3802                         dev_drv->ops->backlight_close(dev_drv, 0);
3803         }
3804         mutex_unlock(&dev_drv->switch_screen);
3805         return 0;
3806 }
3807
3808 /*
3809  * function:this function current only called by hdmi for
3810  *      scale the display
3811  * scale_x: scale rate of x resolution
3812  * scale_y: scale rate of y resolution
3813  * lcdc_id: the lcdc id the hdmi attached ,0 or 1
3814  */
3815 int rk_fb_disp_scale(u8 scale_x, u8 scale_y, u8 lcdc_id)
3816 {
3817         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3818         struct fb_info *info = NULL;
3819         struct fb_info *pmy_info = NULL;
3820         struct fb_var_screeninfo *var = NULL;
3821         struct rk_lcdc_driver *dev_drv = NULL;
3822         u16 screen_x, screen_y;
3823         u16 xpos, ypos;
3824         char name[6];
3825         struct rk_screen primary_screen;
3826
3827         rk_fb_get_prmry_screen(&primary_screen);
3828         if (primary_screen.type == SCREEN_HDMI)
3829                 return 0;
3830
3831         pr_err("should not be here--%s\n", __func__);
3832
3833         return 0;
3834         sprintf(name, "lcdc%d", lcdc_id);
3835
3836         if (inf->disp_mode == DUAL) {
3837                 dev_drv = rk_get_lcdc_drv(name);
3838                 if (!dev_drv) {
3839                         pr_err("%s driver not found!", name);
3840                         return -ENODEV;
3841                 }
3842         } else {
3843                 dev_drv = inf->lcdc_dev_drv[0];
3844         }
3845
3846         if (inf->num_lcdc == 1) {
3847                 info = inf->fb[0];
3848         } else if (inf->num_lcdc == 2) {
3849                 info = inf->fb[dev_drv->lcdc_win_num];
3850                 pmy_info = inf->fb[0];
3851         }
3852
3853         var = &info->var;
3854         screen_x = dev_drv->cur_screen->mode.xres;
3855         screen_y = dev_drv->cur_screen->mode.yres;
3856
3857         if (inf->disp_mode != DUAL && dev_drv->screen1) {
3858                 dev_drv->cur_screen->xpos =
3859                     (screen_x - screen_x * scale_x / 100) >> 1;
3860                 dev_drv->cur_screen->ypos =
3861                     (screen_y - screen_y * scale_y / 100) >> 1;
3862                 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3863                 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3864         } else {
3865                 xpos = (screen_x - screen_x * scale_x / 100) >> 1;
3866                 ypos = (screen_y - screen_y * scale_y / 100) >> 1;
3867                 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3868                 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3869                 if (inf->disp_mode == ONE_DUAL) {
3870                         var->nonstd &= 0xff;
3871                         var->nonstd |= (xpos << 8) + (ypos << 20);
3872                         var->grayscale &= 0xff;
3873                         var->grayscale |=
3874                                 (dev_drv->cur_screen->xsize << 8) +
3875                                 (dev_drv->cur_screen->ysize << 20);
3876                 }
3877         }
3878
3879         mutex_lock(&dev_drv->win_config);
3880         info->fbops->fb_set_par(info);
3881         dev_drv->ops->cfg_done(dev_drv);
3882         mutex_unlock(&dev_drv->win_config);
3883
3884         return 0;
3885 }
3886
3887 #if defined(CONFIG_ION_ROCKCHIP)
3888 static int rk_fb_alloc_buffer_by_ion(struct fb_info *fbi,
3889                                      struct rk_lcdc_win *win,
3890                                      unsigned long fb_mem_size)
3891 {
3892         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3893         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3894         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3895         struct ion_handle *handle;
3896         ion_phys_addr_t phy_addr;
3897         size_t len;
3898         int ret = 0;
3899
3900         if (dev_drv->iommu_enabled)
3901                 handle = ion_alloc(rk_fb->ion_client, (size_t)fb_mem_size, 0,
3902                                    ION_HEAP_SYSTEM_MASK, 0);
3903         else
3904                 handle = ion_alloc(rk_fb->ion_client, (size_t)fb_mem_size, 0,
3905                                    ION_HEAP_TYPE_DMA_MASK, 0);
3906
3907         if (IS_ERR(handle)) {
3908                 dev_err(fbi->device, "failed to ion_alloc:%ld\n",
3909                         PTR_ERR(handle));
3910                 return -ENOMEM;
3911         }
3912
3913         fb_par->ion_hdl = handle;
3914         win->area[0].dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3915         if (IS_ERR_OR_NULL(win->area[0].dma_buf)) {
3916                 pr_info("ion_share_dma_buf() failed\n");
3917                 goto err_share_dma_buf;
3918         }
3919         win->area[0].ion_hdl = handle;
3920         if (dev_drv->prop == PRMRY)
3921                 fbi->screen_base = ion_map_kernel(rk_fb->ion_client, handle);
3922         if (dev_drv->iommu_enabled && dev_drv->mmu_dev)
3923                 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, handle,
3924                                     (unsigned long *)&phy_addr,
3925                                     (unsigned long *)&len);
3926         else
3927                 ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3928         if (ret < 0) {
3929                 dev_err(fbi->dev, "ion map to get phy addr failed\n");
3930                 goto err_share_dma_buf;
3931         }
3932         fbi->fix.smem_start = phy_addr;
3933         fbi->fix.smem_len = len;
3934         pr_info("alloc_buffer:ion_phy_addr=0x%lx\n", phy_addr);
3935         return 0;
3936
3937 err_share_dma_buf:
3938         ion_free(rk_fb->ion_client, handle);
3939         return -ENOMEM;
3940 }
3941 #endif
3942
3943 static int rk_fb_alloc_buffer(struct fb_info *fbi)
3944 {
3945         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3946         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3947         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3948         struct rk_lcdc_win *win = NULL;
3949         int win_id;
3950         int ret = 0;
3951         unsigned long fb_mem_size;
3952 #if !defined(CONFIG_ION_ROCKCHIP)
3953         dma_addr_t fb_mem_phys;
3954         void *fb_mem_virt;
3955 #endif
3956         ion_phys_addr_t phy_addr;
3957         size_t len;
3958
3959         win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
3960         if (win_id < 0)
3961                 return -ENODEV;
3962         else
3963                 win = dev_drv->win[win_id];
3964
3965         if (!strcmp(fbi->fix.id, "fb0")) {
3966                 fb_mem_size = get_fb_size(dev_drv->reserved_fb);
3967 #if defined(CONFIG_ION_ROCKCHIP)
3968                 if (rk_fb_alloc_buffer_by_ion(fbi, win, fb_mem_size) < 0)
3969                         return -ENOMEM;
3970 #else
3971                 fb_mem_virt = dma_alloc_writecombine(fbi->dev, fb_mem_size,
3972                                                      &fb_mem_phys, GFP_KERNEL);
3973                 if (!fb_mem_virt) {
3974                         pr_err("%s: Failed to allocate framebuffer\n",
3975                                __func__);
3976                         return -ENOMEM;
3977                 }
3978                 fbi->fix.smem_len = fb_mem_size;
3979                 fbi->fix.smem_start = fb_mem_phys;
3980                 fbi->screen_base = fb_mem_virt;
3981 #endif
3982                 memset(fbi->screen_base, 0, fbi->fix.smem_len);
3983         } else {
3984                 if (dev_drv->prop == EXTEND && dev_drv->iommu_enabled) {
3985                         struct rk_lcdc_driver *dev_drv_prmry;
3986                         int win_id_prmry;
3987
3988                         fb_mem_size = get_fb_size(dev_drv->reserved_fb);
3989 #if defined(CONFIG_ION_ROCKCHIP)
3990                         dev_drv_prmry = rk_get_prmry_lcdc_drv();
3991                         if (dev_drv_prmry == NULL)
3992                                 return -ENODEV;
3993                         win_id_prmry =
3994                                 dev_drv_prmry->ops->fb_get_win_id(dev_drv_prmry,
3995                                                                  fbi->fix.id);
3996                         if (win_id_prmry < 0)
3997                                 return -ENODEV;
3998                         else
3999                                 fb_par->ion_hdl =
4000                                 dev_drv_prmry->win[win_id_prmry]->area[0].ion_hdl;
4001                                 fbi->screen_base =
4002                                         ion_map_kernel(rk_fb->ion_client,
4003                                                        fb_par->ion_hdl);
4004                                 dev_drv->win[win_id]->area[0].ion_hdl =
4005                                         fb_par->ion_hdl;
4006                                 if (dev_drv->mmu_dev)
4007                                         ret = ion_map_iommu(dev_drv->dev,
4008                                                             rk_fb->ion_client,
4009                                                             fb_par->ion_hdl,
4010                                                             (unsigned long *)&phy_addr,
4011                                                             (unsigned long *)&len);
4012                                 else
4013                                         ret = ion_phys(rk_fb->ion_client,
4014                                                        fb_par->ion_hdl,
4015                                                        &phy_addr, &len);
4016                                 if (ret < 0) {
4017                                         dev_err(fbi->dev, "ion map to get phy addr failed\n");
4018                                         return -ENOMEM;
4019                                 }
4020                                 fbi->fix.smem_start = phy_addr;
4021                                 fbi->fix.smem_len = len;
4022 #else
4023                         fb_mem_virt = dma_alloc_writecombine(fbi->dev,
4024                                                              fb_mem_size,
4025                                                              &fb_mem_phys,
4026                                                              GFP_KERNEL);
4027                         if (!fb_mem_virt) {
4028                                 pr_err("%s: Failed to allocate framebuffer\n",
4029                                        __func__);
4030                                 return -ENOMEM;
4031                         }
4032                         fbi->fix.smem_len = fb_mem_size;
4033                         fbi->fix.smem_start = fb_mem_phys;
4034                         fbi->screen_base = fb_mem_virt;
4035 #endif
4036                 } else {
4037                         fbi->fix.smem_start = rk_fb->fb[0]->fix.smem_start;
4038                         fbi->fix.smem_len = rk_fb->fb[0]->fix.smem_len;
4039                         fbi->screen_base = rk_fb->fb[0]->screen_base;
4040                 }
4041         }
4042
4043         fbi->screen_size = fbi->fix.smem_len;
4044         fb_par->fb_phy_base = fbi->fix.smem_start;
4045         fb_par->fb_virt_base = fbi->screen_base;
4046         fb_par->fb_size = fbi->fix.smem_len;
4047
4048         pr_info("%s:phy:%lx>>vir:%p>>len:0x%x\n", fbi->fix.id,
4049                 fbi->fix.smem_start, fbi->screen_base,
4050                 fbi->fix.smem_len);
4051         return ret;
4052 }
4053
4054 #if 0
4055 static int rk_release_fb_buffer(struct fb_info *fbi)
4056 {
4057         /* buffer for fb1 and fb3 are alloc by android */
4058         if (!strcmp(fbi->fix.id, "fb1") || !strcmp(fbi->fix.id, "fb3"))
4059                 return 0;
4060         iounmap(fbi->screen_base);
4061         release_mem_region(fbi->fix.smem_start, fbi->fix.smem_len);
4062         return 0;
4063 }
4064 #endif
4065
4066 static int init_lcdc_win(struct rk_lcdc_driver *dev_drv,
4067                          struct rk_lcdc_win *def_win)
4068 {
4069         int i;
4070         int lcdc_win_num = dev_drv->lcdc_win_num;
4071
4072         for (i = 0; i < lcdc_win_num; i++) {
4073                 struct rk_lcdc_win *win = NULL;
4074
4075                 win = kzalloc(sizeof(struct rk_lcdc_win), GFP_KERNEL);
4076                 if (!win) {
4077                         dev_err(dev_drv->dev, "kzmalloc for win fail!");
4078                         return -ENOMEM;
4079                 }
4080
4081                 strcpy(win->name, def_win[i].name);
4082                 win->id = def_win[i].id;
4083                 win->support_3d = def_win[i].support_3d;
4084                 win->property.feature = def_win[i].property.feature;
4085                 win->property.max_input_x = def_win[i].property.max_input_x;
4086                 win->property.max_input_y = def_win[i].property.max_input_y;
4087                 dev_drv->win[i] = win;
4088         }
4089
4090         return 0;
4091 }
4092
4093 static int init_lcdc_device_driver(struct rk_fb *rk_fb,
4094                                    struct rk_lcdc_win *def_win, int index)
4095 {
4096         struct rk_lcdc_driver *dev_drv = rk_fb->lcdc_dev_drv[index];
4097         struct rk_screen *screen = devm_kzalloc(dev_drv->dev,
4098                                                 sizeof(struct rk_screen),
4099                                                 GFP_KERNEL);
4100         int i = 0;
4101
4102         if (!screen) {
4103                 dev_err(dev_drv->dev, "malloc screen for lcdc%d fail!",
4104                         dev_drv->id);
4105                 return -ENOMEM;
4106         }
4107
4108         screen->screen_id = 0;
4109         screen->lcdc_id = dev_drv->id;
4110         screen->overscan.left = 100;
4111         screen->overscan.top = 100;
4112         screen->overscan.right = 100;
4113         screen->overscan.bottom = 100;
4114
4115         screen->x_mirror = !!(dev_drv->rotate_mode & X_MIRROR);
4116         screen->y_mirror = !!(dev_drv->rotate_mode & Y_MIRROR);
4117
4118         dev_drv->screen0 = screen;
4119         dev_drv->cur_screen = screen;
4120         /* devie use one lcdc + rk61x scaler for dual display */
4121         if ((rk_fb->disp_mode == ONE_DUAL) || (rk_fb->disp_mode == NO_DUAL)) {
4122                 struct rk_screen *screen1 =
4123                                 devm_kzalloc(dev_drv->dev,
4124                                              sizeof(struct rk_screen),
4125                                              GFP_KERNEL);
4126                 if (!screen1) {
4127                         dev_err(dev_drv->dev, "malloc screen1 for lcdc%d fail!",
4128                                 dev_drv->id);
4129                         return -ENOMEM;
4130                 }
4131                 screen1->screen_id = 1;
4132                 screen1->lcdc_id = 1;
4133                 dev_drv->screen1 = screen1;
4134         }
4135         sprintf(dev_drv->name, "lcdc%d", dev_drv->id);
4136         init_lcdc_win(dev_drv, def_win);
4137         init_completion(&dev_drv->frame_done);
4138         spin_lock_init(&dev_drv->cpl_lock);
4139         mutex_init(&dev_drv->fb_win_id_mutex);
4140         mutex_init(&dev_drv->win_config);
4141         mutex_init(&dev_drv->front_lock);
4142         mutex_init(&dev_drv->switch_screen);
4143         dev_drv->ops->fb_win_remap(dev_drv, dev_drv->fb_win_map);
4144         dev_drv->first_frame = 1;
4145         dev_drv->overscan.left = 100;
4146         dev_drv->overscan.top = 100;
4147         dev_drv->overscan.right = 100;
4148         dev_drv->overscan.bottom = 100;
4149         for (i = 0; i < RK30_MAX_LAYER_SUPPORT; i++)
4150                 dev_drv->area_support[i] = 1;
4151         if (dev_drv->ops->area_support_num)
4152                 dev_drv->ops->area_support_num(dev_drv, dev_drv->area_support);
4153         rk_disp_pwr_ctr_parse_dt(dev_drv);
4154         if (dev_drv->prop == PRMRY) {
4155                 rk_fb_set_prmry_screen(screen);
4156                 rk_fb_get_prmry_screen(screen);
4157         }
4158         dev_drv->trsm_ops = rk_fb_trsm_ops_get(screen->type);
4159         if (dev_drv->prop != PRMRY)
4160                 rk_fb_get_extern_screen(screen);
4161         dev_drv->output_color = screen->color_mode;
4162
4163         return 0;
4164 }
4165
4166 #ifdef CONFIG_LOGO_LINUX_BMP
4167 static struct linux_logo *bmp_logo;
4168 static int fb_prewine_bmp_logo(struct fb_info *info, int rotate)
4169 {
4170         bmp_logo = fb_find_logo(24);
4171         if (bmp_logo == NULL) {
4172                 pr_info("%s error\n", __func__);
4173                 return 0;
4174         }
4175         return 1;
4176 }
4177
4178 static void fb_show_bmp_logo(struct fb_info *info, int rotate)
4179 {
4180         unsigned char *src = bmp_logo->data;
4181         unsigned char *dst = info->screen_base;
4182         int i;
4183         unsigned int needwidth = (*(src - 24) << 8) | (*(src - 23));
4184         unsigned int needheight = (*(src - 22) << 8) | (*(src - 21));
4185
4186         for (i = 0; i < needheight; i++)
4187                 memcpy(dst + info->var.xres * i * 4,
4188                        src + bmp_logo->width * i * 4, needwidth * 4);
4189 }
4190 #endif
4191
4192 /*
4193  * check if the primary lcdc has registered,
4194  * the primary lcdc mas register first
4195  */
4196 bool is_prmry_rk_lcdc_registered(void)
4197 {
4198         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
4199
4200         if (rk_fb->lcdc_dev_drv[0])
4201                 return true;
4202         else
4203                 return false;
4204 }
4205
4206 phys_addr_t uboot_logo_base;
4207 phys_addr_t uboot_logo_size;
4208 phys_addr_t uboot_logo_offset;
4209
4210 static int __init rockchip_uboot_mem_late_init(void)
4211 {
4212         int err;
4213
4214         if (uboot_logo_size) {
4215                 void *start = phys_to_virt(uboot_logo_base);
4216                 void *end = phys_to_virt(uboot_logo_base + uboot_logo_size);
4217
4218                 err = memblock_free(uboot_logo_base, uboot_logo_size);
4219                 if (err < 0)
4220                         pr_err("%s: freeing memblock failed: %d\n",
4221                                __func__, err);
4222                 free_reserved_area(start, end, -1, "logo");
4223         }
4224         return 0;
4225 }
4226
4227 late_initcall(rockchip_uboot_mem_late_init);
4228
4229 int rk_fb_register(struct rk_lcdc_driver *dev_drv,
4230                    struct rk_lcdc_win *win, int id)
4231 {
4232         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
4233         struct fb_info *fbi;
4234         struct rk_fb_par *fb_par = NULL;
4235         int i = 0, ret = 0, index = 0;
4236         unsigned long flags;
4237         char time_line_name[16];
4238         int mirror = 0;
4239
4240         if (rk_fb->num_lcdc == RK30_MAX_LCDC_SUPPORT)
4241                 return -ENXIO;
4242
4243         for (i = 0; i < RK30_MAX_LCDC_SUPPORT; i++) {
4244                 if (!rk_fb->lcdc_dev_drv[i]) {
4245                         rk_fb->lcdc_dev_drv[i] = dev_drv;
4246                         rk_fb->lcdc_dev_drv[i]->id = id;
4247                         rk_fb->num_lcdc++;
4248                         break;
4249                 }
4250         }
4251
4252         index = i;
4253         init_lcdc_device_driver(rk_fb, win, index);
4254         dev_drv->fb_index_base = rk_fb->num_fb;
4255         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
4256                 fbi = framebuffer_alloc(0, &fb_pdev->dev);
4257                 if (!fbi) {
4258                         dev_err(&fb_pdev->dev, "fb framebuffer_alloc fail!");
4259                         return -ENOMEM;
4260                 }
4261                 fb_par = devm_kzalloc(&fb_pdev->dev, sizeof(struct rk_fb_par),
4262                                       GFP_KERNEL);
4263                 if (!fb_par) {
4264                         dev_err(&fb_pdev->dev, "malloc fb_par for fb%d fail!",
4265                                 rk_fb->num_fb);
4266                         return -ENOMEM;
4267                 }
4268                 fb_par->id = rk_fb->num_fb;
4269                 fb_par->lcdc_drv = dev_drv;
4270                 fbi->par = (void *)fb_par;
4271                 fbi->var = def_var;
4272                 fbi->fix = def_fix;
4273                 sprintf(fbi->fix.id, "fb%d", rk_fb->num_fb);
4274                 fb_videomode_to_var(&fbi->var, &dev_drv->cur_screen->mode);
4275                 if (dev_drv->dsp_mode == ONE_VOP_DUAL_MIPI_VER_SCAN) {
4276                         fbi->var.xres /= 2;
4277                         fbi->var.yres *= 2;
4278                         fbi->var.xres_virtual /= 2;
4279                         fbi->var.yres_virtual *= 2;
4280                 }
4281                 fbi->var.width = dev_drv->cur_screen->width;
4282                 fbi->var.height = dev_drv->cur_screen->height;
4283                 fbi->var.grayscale |=
4284                     (fbi->var.xres << 8) + (fbi->var.yres << 20);
4285 #if defined(CONFIG_LOGO_LINUX_BMP)
4286                 fbi->var.bits_per_pixel = 32;
4287 #else
4288                 fbi->var.bits_per_pixel = 16;
4289 #endif
4290                 fbi->fix.line_length =
4291                     (fbi->var.xres_virtual) * (fbi->var.bits_per_pixel >> 3);
4292                 if (dev_drv->iommu_enabled)
4293                         fb_ops.fb_mmap = rk_fb_mmap;
4294                 fbi->fbops = &fb_ops;
4295                 fbi->flags = FBINFO_FLAG_DEFAULT;
4296                 fbi->pseudo_palette = dev_drv->win[i]->pseudo_pal;
4297                 ret = register_framebuffer(fbi);
4298                 if (ret < 0) {
4299                         dev_err(&fb_pdev->dev,
4300                                 "%s fb%d register_framebuffer fail!\n",
4301                                 __func__, rk_fb->num_fb);
4302                         return ret;
4303                 }
4304                 rkfb_create_sysfs(fbi);
4305                 rk_fb->fb[rk_fb->num_fb] = fbi;
4306                 dev_info(fbi->dev, "rockchip framebuffer registerd:%s\n",
4307                          fbi->fix.id);
4308                 rk_fb->num_fb++;
4309
4310                 if (i == 0) {
4311                         init_waitqueue_head(&dev_drv->vsync_info.wait);
4312                         init_waitqueue_head(&dev_drv->update_regs_wait);
4313                         ret = device_create_file(fbi->dev, &dev_attr_vsync);
4314                         if (ret)
4315                                 dev_err(fbi->dev,
4316                                         "failed to create vsync file\n");
4317                         dev_drv->vsync_info.thread =
4318                             kthread_run(rk_fb_wait_for_vsync_thread, dev_drv,
4319                                         "fb-vsync");
4320                         if (dev_drv->vsync_info.thread == ERR_PTR(-ENOMEM)) {
4321                                 dev_err(fbi->dev,
4322                                         "failed to run vsync thread\n");
4323                                 dev_drv->vsync_info.thread = NULL;
4324                         }
4325                         dev_drv->vsync_info.active = 1;
4326
4327                         mutex_init(&dev_drv->output_lock);
4328
4329                         INIT_LIST_HEAD(&dev_drv->update_regs_list);
4330                         INIT_LIST_HEAD(&dev_drv->saved_list);
4331                         mutex_init(&dev_drv->update_regs_list_lock);
4332                         init_kthread_worker(&dev_drv->update_regs_worker);
4333
4334                         dev_drv->update_regs_thread =
4335                             kthread_run(kthread_worker_fn,
4336                                         &dev_drv->update_regs_worker, "rk-fb");
4337                         if (IS_ERR(dev_drv->update_regs_thread)) {
4338                                 int err = PTR_ERR(dev_drv->update_regs_thread);
4339
4340                                 dev_drv->update_regs_thread = NULL;
4341                                 pr_info("failed to run update_regs thread\n");
4342                                 return err;
4343                         }
4344                         init_kthread_work(&dev_drv->update_regs_work,
4345                                           rk_fb_update_regs_handler);
4346
4347                         snprintf(time_line_name, sizeof(time_line_name),
4348                                  "vop%d-timeline", id);
4349                         dev_drv->timeline =
4350                             sw_sync_timeline_create(time_line_name);
4351                         dev_drv->timeline_max = 1;
4352                 }
4353         }
4354
4355         /* show logo for primary display device */
4356 #if !defined(CONFIG_FRAMEBUFFER_CONSOLE)
4357         if (dev_drv->prop == PRMRY) {
4358                 u16 xact, yact;
4359                 int format;
4360                 u32 dsp_addr;
4361                 struct fb_info *main_fbi = rk_fb->fb[0];
4362
4363                 main_fbi->fbops->fb_open(main_fbi, 1);
4364                 main_fbi->var.pixclock = dev_drv->pixclock;
4365                 if (dev_drv->iommu_enabled) {
4366                         if (dev_drv->mmu_dev)
4367                                 rockchip_iovmm_set_fault_handler(dev_drv->dev,
4368                                                 rk_fb_sysmmu_fault_handler);
4369                 }
4370
4371                 rk_fb_alloc_buffer(main_fbi);   /* only alloc memory for main fb */
4372                 dev_drv->uboot_logo = support_uboot_display();
4373
4374                 if (dev_drv->uboot_logo &&
4375                     uboot_logo_offset && uboot_logo_base) {
4376                         int width, height, bits, xvir;
4377                         phys_addr_t start = uboot_logo_base + uboot_logo_offset;
4378                         unsigned int size = uboot_logo_size - uboot_logo_offset;
4379                         unsigned int nr_pages;
4380                         int ymirror = 0;
4381                         struct page **pages;
4382                         char *vaddr;
4383                         int logo_len, i = 0;
4384
4385                         if (dev_drv->ops->get_dspbuf_info)
4386                                 dev_drv->ops->get_dspbuf_info(dev_drv, &xact,
4387                                         &yact, &format, &dsp_addr, &ymirror);
4388                         logo_len = rk_fb_pixel_width(format) * xact * yact >> 3;
4389                         nr_pages = size >> PAGE_SHIFT;
4390                         pages = kzalloc(sizeof(struct page) * nr_pages,
4391                                         GFP_KERNEL);
4392                         if (!pages)
4393                                 return -ENOMEM;
4394                         while (i < nr_pages) {
4395                                 pages[i] = phys_to_page(start);
4396                                 start += PAGE_SIZE;
4397                                 i++;
4398                         }
4399                         vaddr = vmap(pages, nr_pages, VM_MAP, PAGE_KERNEL);
4400                         if (!vaddr) {
4401                                 pr_err("failed to vmap phy addr 0x%lx\n",
4402                                        (long)(uboot_logo_base +
4403                                        uboot_logo_offset));
4404                                 kfree(pages);
4405                                 return -1;
4406                         }
4407
4408                         if (bmpdecoder(vaddr, main_fbi->screen_base, &width,
4409                                        &height, &bits)) {
4410                                 kfree(pages);
4411                                 vunmap(vaddr);
4412                                 return 0;
4413                         }
4414                         kfree(pages);
4415                         vunmap(vaddr);
4416                         if (width != xact || height != yact) {
4417                                 pr_err("can't support uboot kernel logo use different size [%dx%d] != [%dx%d]\n",
4418                                        xact, yact, width, height);
4419                                 return 0;
4420                         }
4421                         xvir = ALIGN(width * bits, 1 << 5) >> 5;
4422                         ymirror = 0;
4423                         local_irq_save(flags);
4424                         if (dev_drv->ops->wait_frame_start)
4425                                 dev_drv->ops->wait_frame_start(dev_drv, 0);
4426                         mirror = ymirror || dev_drv->cur_screen->y_mirror;
4427                         if (dev_drv->ops->post_dspbuf) {
4428                                 dev_drv->ops->post_dspbuf(dev_drv,
4429                                         main_fbi->fix.smem_start +
4430                                         (mirror ? logo_len : 0),
4431                                         rk_fb_data_fmt(0, bits),
4432                                         width, height, xvir,
4433                                         ymirror);
4434                         }
4435                         if (dev_drv->iommu_enabled) {
4436                                 rk_fb_poll_wait_frame_complete();
4437                                 if (dev_drv->ops->mmu_en)
4438                                         dev_drv->ops->mmu_en(dev_drv);
4439                                 freed_index = 0;
4440                         }
4441                         local_irq_restore(flags);
4442                         return 0;
4443                 } else if (dev_drv->uboot_logo && uboot_logo_base) {
4444                         u32 start = uboot_logo_base;
4445                         int logo_len, i = 0;
4446                         int y_mirror = 0;
4447                         unsigned int nr_pages;
4448                         struct page **pages;
4449                         char *vaddr;
4450                         int align = 0, xvir;
4451
4452                         dev_drv->ops->get_dspbuf_info(dev_drv, &xact,
4453                                                       &yact, &format,
4454                                                       &start,
4455                                                       &y_mirror);
4456                         logo_len = rk_fb_pixel_width(format) * xact * yact >> 3;
4457                         if (logo_len > uboot_logo_size ||
4458                             logo_len > main_fbi->fix.smem_len) {
4459                                 pr_err("logo size > uboot reserve buffer size\n");
4460                                 return -1;
4461                         }
4462                         if (y_mirror)
4463                                 start -= logo_len;
4464
4465                         align = start % PAGE_SIZE;
4466                         start -= align;
4467                         nr_pages = PAGE_ALIGN(logo_len + align) >> PAGE_SHIFT;
4468                         pages = kzalloc(sizeof(struct page) * nr_pages,
4469                                         GFP_KERNEL);
4470                         if (!pages)
4471                                 return -ENOMEM;
4472                         while (i < nr_pages) {
4473                                 pages[i] = phys_to_page(start);
4474                                 start += PAGE_SIZE;
4475                                 i++;
4476                         }
4477                         vaddr = vmap(pages, nr_pages, VM_MAP, PAGE_KERNEL);
4478                         if (!vaddr) {
4479                                 pr_err("failed to vmap phy addr 0x%x\n",
4480                                        start);
4481                                 kfree(pages);
4482                                 return -1;
4483                         }
4484
4485                         memcpy(main_fbi->screen_base, vaddr + align, logo_len);
4486
4487                         kfree(pages);
4488                         vunmap(vaddr);
4489                         xvir = ALIGN(xact * rk_fb_pixel_width(format),
4490                                      1 << 5) >> 5;
4491                         local_irq_save(flags);
4492                         if (dev_drv->ops->wait_frame_start)
4493                                 dev_drv->ops->wait_frame_start(dev_drv, 0);
4494                         mirror = y_mirror || dev_drv->cur_screen->y_mirror;
4495                         dev_drv->ops->post_dspbuf(dev_drv,
4496                                         main_fbi->fix.smem_start +
4497                                         (mirror ? logo_len : 0),
4498                                         format, xact, yact,
4499                                         xvir,
4500                                         y_mirror);
4501                         if (dev_drv->iommu_enabled) {
4502                                 rk_fb_poll_wait_frame_complete();
4503                                 if (dev_drv->ops->mmu_en)
4504                                         dev_drv->ops->mmu_en(dev_drv);
4505                                 freed_index = 0;
4506                         }
4507                         local_irq_restore(flags);
4508                         return 0;
4509                 } else {
4510                         if (dev_drv->iommu_enabled) {
4511                                 if (dev_drv->ops->mmu_en)
4512                                         dev_drv->ops->mmu_en(dev_drv);
4513                                 freed_index = 0;
4514                         }
4515                 }
4516 #if defined(CONFIG_LOGO)
4517                 main_fbi->fbops->fb_set_par(main_fbi);
4518 #if  defined(CONFIG_LOGO_LINUX_BMP)
4519                 if (fb_prewine_bmp_logo(main_fbi, FB_ROTATE_UR)) {
4520                         fb_set_cmap(&main_fbi->cmap, main_fbi);
4521                         fb_show_bmp_logo(main_fbi, FB_ROTATE_UR);
4522                 }
4523 #else
4524                 if (fb_prepare_logo(main_fbi, FB_ROTATE_UR)) {
4525                         fb_set_cmap(&main_fbi->cmap, main_fbi);
4526                         fb_show_logo(main_fbi, FB_ROTATE_UR);
4527                 }
4528 #endif
4529                 main_fbi->fbops->fb_pan_display(&main_fbi->var, main_fbi);
4530 #endif
4531         } else {
4532                 struct fb_info *extend_fbi = rk_fb->fb[dev_drv->fb_index_base];
4533
4534                 extend_fbi->var.pixclock = rk_fb->fb[0]->var.pixclock;
4535                 if (rk_fb->disp_mode == DUAL_LCD) {
4536                         extend_fbi->fbops->fb_open(extend_fbi, 1);
4537                         if (dev_drv->iommu_enabled) {
4538                                 if (dev_drv->mmu_dev)
4539                                         rockchip_iovmm_set_fault_handler(dev_drv->dev,
4540                                                                          rk_fb_sysmmu_fault_handler);
4541                         }
4542                         rk_fb_alloc_buffer(extend_fbi);
4543                 }
4544         }
4545 #endif
4546         return 0;
4547 }
4548
4549 int rk_fb_unregister(struct rk_lcdc_driver *dev_drv)
4550 {
4551         struct rk_fb *fb_inf = platform_get_drvdata(fb_pdev);
4552         struct fb_info *fbi;
4553         int fb_index_base = dev_drv->fb_index_base;
4554         int fb_num = dev_drv->lcdc_win_num;
4555         int i = 0;
4556
4557         if (fb_inf->lcdc_dev_drv[i]->vsync_info.thread) {
4558                 fb_inf->lcdc_dev_drv[i]->vsync_info.irq_stop = 1;
4559                 kthread_stop(fb_inf->lcdc_dev_drv[i]->vsync_info.thread);
4560         }
4561
4562         for (i = 0; i < fb_num; i++)
4563                 kfree(dev_drv->win[i]);
4564
4565         for (i = fb_index_base; i < (fb_index_base + fb_num); i++) {
4566                 fbi = fb_inf->fb[i];
4567                 unregister_framebuffer(fbi);
4568                 /* rk_release_fb_buffer(fbi); */
4569                 framebuffer_release(fbi);
4570         }
4571         fb_inf->lcdc_dev_drv[dev_drv->id] = NULL;
4572         fb_inf->num_lcdc--;
4573
4574         return 0;
4575 }
4576
4577 int rk_fb_set_car_reverse_status(struct rk_lcdc_driver *dev_drv,
4578                                  int status)
4579 {
4580         char *envp[3] = {"Request", "FORCE UPDATE", NULL};
4581
4582         if (status) {
4583                 car_reversing = 1;
4584                 flush_kthread_worker(&dev_drv->update_regs_worker);
4585                 dev_drv->timeline_max++;
4586 #ifdef H_USE_FENCE
4587                 sw_sync_timeline_inc(dev_drv->timeline, 1);
4588 #endif
4589                 pr_debug("%s: camcap reverse start...\n", __func__);
4590         } else {
4591                 car_reversing = 0;
4592                 kobject_uevent_env(&dev_drv->dev->kobj,
4593                                    KOBJ_CHANGE, envp);
4594                 pr_debug("%s: camcap reverse finish...\n", __func__);
4595         }
4596
4597         return 0;
4598 }
4599
4600 static int rk_fb_probe(struct platform_device *pdev)
4601 {
4602         struct rk_fb *rk_fb = NULL;
4603         struct device_node *np = pdev->dev.of_node;
4604         u32 mode, ret;
4605         struct device_node *node;
4606
4607         if (!np) {
4608                 dev_err(&pdev->dev, "Missing device tree node.\n");
4609                 return -EINVAL;
4610         }
4611
4612         rk_fb = devm_kzalloc(&pdev->dev, sizeof(struct rk_fb), GFP_KERNEL);
4613         if (!rk_fb) {
4614                 dev_err(&pdev->dev, "kmalloc for rk fb fail!");
4615                 return -ENOMEM;
4616         }
4617         platform_set_drvdata(pdev, rk_fb);
4618
4619         if (!of_property_read_u32(np, "rockchip,disp-mode", &mode)) {
4620                 rk_fb->disp_mode = mode;
4621
4622         } else {
4623                 dev_err(&pdev->dev, "no disp-mode node found!");
4624                 return -ENODEV;
4625         }
4626
4627         if (!of_property_read_u32(np, "rockchip,disp-policy", &mode)) {
4628                 rk_fb->disp_policy = mode;
4629                 pr_info("fb disp policy is %s\n",
4630                         rk_fb->disp_policy ? "box" : "sdk");
4631         }
4632
4633         if (!of_property_read_u32(np, "rockchip,uboot-logo-on", &uboot_logo_on))
4634                 pr_info("uboot-logo-on:%d\n", uboot_logo_on);
4635
4636         dev_set_name(&pdev->dev, "rockchip-fb");
4637 #if defined(CONFIG_ION_ROCKCHIP)
4638         rk_fb->ion_client = rockchip_ion_client_create("rk_fb");
4639         if (IS_ERR(rk_fb->ion_client)) {
4640                 dev_err(&pdev->dev, "failed to create ion client for rk fb");
4641                 return PTR_ERR(rk_fb->ion_client);
4642         } else {
4643                 dev_info(&pdev->dev, "rk fb ion client create success!\n");
4644         }
4645 #endif
4646
4647         node = of_parse_phandle(np, "memory-region", 0);
4648         if (node) {
4649                 struct resource r;
4650
4651                 ret = of_address_to_resource(node, 0, &r);
4652                 if (ret)
4653                         return ret;
4654
4655                 if (uboot_logo_on) {
4656                         uboot_logo_base = r.start;
4657                         uboot_logo_size = resource_size(&r);
4658
4659                         if (uboot_logo_size > SZ_16M)
4660                                 uboot_logo_offset = SZ_16M;
4661                         else
4662                                 uboot_logo_offset = 0;
4663                 }
4664                 pr_info("logo: base=0x%llx, size=0x%llx, offset=0x%llx\n",
4665                         uboot_logo_base, uboot_logo_size, uboot_logo_offset);
4666         }
4667
4668         fb_pdev = pdev;
4669         dev_info(&pdev->dev, "rockchip framebuffer driver probe\n");
4670         return 0;
4671 }
4672
4673 static int rk_fb_remove(struct platform_device *pdev)
4674 {
4675         platform_set_drvdata(pdev, NULL);
4676         return 0;
4677 }
4678
4679 static void rk_fb_shutdown(struct platform_device *pdev)
4680 {
4681         struct rk_fb *rk_fb = platform_get_drvdata(pdev);
4682         int i;
4683
4684         for (i = 0; i < rk_fb->num_lcdc; i++) {
4685                 if (!rk_fb->lcdc_dev_drv[i])
4686                         continue;
4687                 sw_sync_timeline_inc(rk_fb->lcdc_dev_drv[i]->timeline, 1);
4688         }
4689 }
4690
4691 static const struct of_device_id rkfb_dt_ids[] = {
4692         {.compatible = "rockchip,rk-fb",},
4693         {}
4694 };
4695
4696 static struct platform_driver rk_fb_driver = {
4697         .probe = rk_fb_probe,
4698         .remove = rk_fb_remove,
4699         .driver = {
4700                    .name = "rk-fb",
4701                    .owner = THIS_MODULE,
4702                    .of_match_table = of_match_ptr(rkfb_dt_ids),
4703                    },
4704         .shutdown = rk_fb_shutdown,
4705 };
4706
4707 static int __init rk_fb_init(void)
4708 {
4709         return platform_driver_register(&rk_fb_driver);
4710 }
4711
4712 static void __exit rk_fb_exit(void)
4713 {
4714         platform_driver_unregister(&rk_fb_driver);
4715 }
4716
4717 fs_initcall(rk_fb_init);
4718 module_exit(rk_fb_exit);