drivers/video/rockchip/rk_fb.c

   1 /*
   2  * drivers/video/rockchip/rk_fb.c
   3  *
   4  * Copyright (C) ROCKCHIP, Inc.
   5  * Author:yxj<yxj@rock-chips.com>
   6  * This software is licensed under the terms of the GNU General Public
   7  * License version 2, as published by the Free Software Foundation, and
   8  * may be copied, distributed, and modified under those terms.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  */
  15
  16 #include <linux/module.h>
  17 #include <linux/kernel.h>
  18 #include <linux/errno.h>
  19 #include <linux/string.h>
  20 #include <linux/mm.h>
  21 #include <linux/slab.h>
  22 #include <linux/delay.h>
  23 #include <linux/device.h>
  24 #include <linux/kthread.h>
  25 #include <linux/fb.h>
  26 #include <linux/init.h>
  27 #include <linux/vmalloc.h>
  28 #include <asm/div64.h>
  29 #include <linux/uaccess.h>
  30 #include <linux/rk_fb.h>
  31 #include <linux/linux_logo.h>
  32 #include <linux/dma-mapping.h>
  33 #include <linux/regulator/consumer.h>
  34
  35 #include "bmp_helper.h"
  36
  37 #if defined(CONFIG_RK_HDMI)
  38 #include "hdmi/rockchip-hdmi.h"
  39 #endif
  40
  41 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
  42 #include "rga/rga.h"
  43 #endif
  44
  45 #ifdef CONFIG_OF
  46 #include <linux/of.h>
  47 #include <linux/of_platform.h>
  48 #include <linux/of_gpio.h>
  49 #include <video/of_display_timing.h>
  50 #include <video/display_timing.h>
  51 #endif
  52
  53 #if defined(CONFIG_ION_ROCKCHIP)
  54 #include <linux/rockchip_ion.h>
  55 #include <linux/rockchip-iovmm.h>
  56 #include <linux/dma-buf.h>
  57 #include <linux/highmem.h>
  58 #endif
  59
  60 #define H_USE_FENCE 1
  61 /* #define FB_ROATE_BY_KERNEL 1 */
  62
  63 static int hdmi_switch_state;
  64 static struct platform_device *fb_pdev;
  65
  66 #if defined(CONFIG_FB_MIRRORING)
  67 int (*video_data_to_mirroring)(struct fb_info *info, u32 yuv_phy[2]);
  68 EXPORT_SYMBOL(video_data_to_mirroring);
  69 #endif
  70
  71 extern phys_addr_t uboot_logo_base;
  72 extern phys_addr_t uboot_logo_size;
  73 extern phys_addr_t uboot_logo_offset;
  74 static struct rk_fb_trsm_ops *trsm_lvds_ops;
  75 static struct rk_fb_trsm_ops *trsm_edp_ops;
  76 static struct rk_fb_trsm_ops *trsm_mipi_ops;
  77 static int uboot_logo_on;
  78
  79 static int rk_fb_debug_lvl;
  80 static int rk_fb_iommu_debug;
  81 module_param(rk_fb_debug_lvl, int, S_IRUGO | S_IWUSR);
  82 module_param(rk_fb_iommu_debug, int, S_IRUGO | S_IWUSR);
  83
  84 #define rk_fb_dbg(level, x...) do {             \
  85         if (unlikely(rk_fb_debug_lvl >= level)) \
  86                 pr_info(x);                     \
  87         } while (0)
  88 static int rk_fb_config_debug(struct rk_lcdc_driver *dev_drv,
  89                               struct rk_fb_win_cfg_data *win_data,
  90                               struct rk_fb_reg_data *regs, u32 cmd);
  91 int support_uboot_display(void)
  92 {
  93         return uboot_logo_on;
  94 }
  95
  96 int rk_fb_get_display_policy(void)
  97 {
  98         struct rk_fb *rk_fb;
  99
 100         if (fb_pdev) {
 101                 rk_fb = platform_get_drvdata(fb_pdev);
 102                 return rk_fb->disp_policy;
 103         } else {
 104                 return DISPLAY_POLICY_SDK;
 105         }
 106 }
 107
 108 int rk_fb_trsm_ops_register(struct rk_fb_trsm_ops *ops, int type)
 109 {
 110         switch (type) {
 111         case SCREEN_RGB:
 112         case SCREEN_LVDS:
 113         case SCREEN_DUAL_LVDS:
 114         case SCREEN_LVDS_10BIT:
 115         case SCREEN_DUAL_LVDS_10BIT:
 116                 trsm_lvds_ops = ops;
 117                 break;
 118         case SCREEN_EDP:
 119                 trsm_edp_ops = ops;
 120                 break;
 121         case SCREEN_MIPI:
 122         case SCREEN_DUAL_MIPI:
 123                 trsm_mipi_ops = ops;
 124                 break;
 125         default:
 126                 pr_warning("%s:un supported transmitter:%d!\n",
 127                            __func__, type);
 128                 break;
 129         }
 130         return 0;
 131 }
 132
 133 struct rk_fb_trsm_ops *rk_fb_trsm_ops_get(int type)
 134 {
 135         struct rk_fb_trsm_ops *ops;
 136
 137         switch (type) {
 138         case SCREEN_RGB:
 139         case SCREEN_LVDS:
 140         case SCREEN_DUAL_LVDS:
 141         case SCREEN_LVDS_10BIT:
 142         case SCREEN_DUAL_LVDS_10BIT:
 143                 ops = trsm_lvds_ops;
 144                 break;
 145         case SCREEN_EDP:
 146                 ops = trsm_edp_ops;
 147                 break;
 148         case SCREEN_MIPI:
 149         case SCREEN_DUAL_MIPI:
 150                 ops = trsm_mipi_ops;
 151                 break;
 152         default:
 153                 ops = NULL;
 154                 pr_warning("%s:un supported transmitter:%d!\n",
 155                            __func__, type);
 156                 break;
 157         }
 158         return ops;
 159 }
 160
 161 int rk_fb_pixel_width(int data_format)
 162 {
 163         int pixel_width;
 164
 165         switch (data_format) {
 166         case XBGR888:
 167         case ABGR888:
 168         case ARGB888:
 169         case FBDC_ARGB_888:
 170         case FBDC_ABGR_888:
 171         case FBDC_RGBX_888:
 172                 pixel_width = 4 * 8;
 173                 break;
 174         case RGB888:
 175                 pixel_width = 3 * 8;
 176                 break;
 177         case RGB565:
 178         case FBDC_RGB_565:
 179                 pixel_width = 2 * 8;
 180                 break;
 181         case YUV422:
 182         case YUV420:
 183         case YUV420_NV21:
 184         case YUV444:
 185                 pixel_width = 1 * 8;
 186                 break;
 187         case YUV422_A:
 188         case YUV420_A:
 189         case YUV444_A:
 190                 pixel_width = 8;
 191                 break;
 192         default:
 193                 pr_warning("%s:un supported format:0x%x\n",
 194                            __func__, data_format);
 195                 return -EINVAL;
 196         }
 197         return pixel_width;
 198 }
 199
 200 static int rk_fb_data_fmt(int data_format, int bits_per_pixel)
 201 {
 202         int fb_data_fmt;
 203
 204         if (data_format) {
 205                 switch (data_format) {
 206                 case HAL_PIXEL_FORMAT_RGBX_8888:
 207                         fb_data_fmt = XBGR888;
 208                         break;
 209                 case HAL_PIXEL_FORMAT_RGBA_8888:
 210                         fb_data_fmt = ABGR888;
 211                         break;
 212                 case HAL_PIXEL_FORMAT_BGRA_8888:
 213                         fb_data_fmt = ARGB888;
 214                         break;
 215                 case HAL_PIXEL_FORMAT_RGB_888:
 216                         fb_data_fmt = RGB888;
 217                         break;
 218                 case HAL_PIXEL_FORMAT_RGB_565:
 219                         fb_data_fmt = RGB565;
 220                         break;
 221                 case HAL_PIXEL_FORMAT_YCbCr_422_SP:     /* yuv422 */
 222                         fb_data_fmt = YUV422;
 223                         break;
 224                 case HAL_PIXEL_FORMAT_YCrCb_420_SP:     /* YUV420---vuvuvu */
 225                         fb_data_fmt = YUV420_NV21;
 226                         break;
 227                 case HAL_PIXEL_FORMAT_YCrCb_NV12:       /* YUV420---uvuvuv */
 228                         fb_data_fmt = YUV420;
 229                         break;
 230                 case HAL_PIXEL_FORMAT_YCrCb_444:        /* yuv444 */
 231                         fb_data_fmt = YUV444;
 232                         break;
 233                 case HAL_PIXEL_FORMAT_YCrCb_NV12_10:    /* yuv444 */
 234                         fb_data_fmt = YUV420_A;
 235                         break;
 236                 case HAL_PIXEL_FORMAT_YCbCr_422_SP_10:  /* yuv444 */
 237                         fb_data_fmt = YUV422_A;
 238                         break;
 239                 case HAL_PIXEL_FORMAT_YCrCb_444_SP_10:  /* yuv444 */
 240                         fb_data_fmt = YUV444_A;
 241                         break;
 242                 case HAL_PIXEL_FORMAT_FBDC_RGB565:      /* fbdc rgb565*/
 243                         fb_data_fmt = FBDC_RGB_565;
 244                         break;
 245                 case HAL_PIXEL_FORMAT_FBDC_U8U8U8U8:    /* fbdc argb888 */
 246                         fb_data_fmt = FBDC_ARGB_888;
 247                         break;
 248                 case HAL_PIXEL_FORMAT_FBDC_RGBA888:     /* fbdc abgr888 */
 249                         fb_data_fmt = FBDC_ABGR_888;
 250                         break;
 251                 case HAL_PIXEL_FORMAT_FBDC_U8U8U8:      /* fbdc rgb888 */
 252                         fb_data_fmt = FBDC_RGBX_888;
 253                         break;
 254                 default:
 255                         pr_warning("%s:un supported format:0x%x\n",
 256                                    __func__, data_format);
 257                         return -EINVAL;
 258                 }
 259         } else {
 260                 switch (bits_per_pixel) {
 261                 case 32:
 262                         fb_data_fmt = ARGB888;
 263                         break;
 264                 case 24:
 265                         fb_data_fmt = RGB888;
 266                         break;
 267                 case 16:
 268                         fb_data_fmt = RGB565;
 269                         break;
 270                 default:
 271                         pr_warning("%s:un supported bits_per_pixel:%d\n",
 272                                    __func__, bits_per_pixel);
 273                         break;
 274                 }
 275         }
 276         return fb_data_fmt;
 277 }
 278
 279 /*
 280  * rk display power control parse from dts
 281  */
 282 int rk_disp_pwr_ctr_parse_dt(struct rk_lcdc_driver *dev_drv)
 283 {
 284         struct device_node *root = of_get_child_by_name(dev_drv->dev->of_node,
 285                                                         "power_ctr");
 286         struct device_node *child;
 287         struct rk_disp_pwr_ctr_list *pwr_ctr;
 288         struct list_head *pos;
 289         enum of_gpio_flags flags;
 290         u32 val = 0;
 291         u32 debug = 0;
 292         int ret;
 293
 294         INIT_LIST_HEAD(&dev_drv->pwrlist_head);
 295         if (!root) {
 296                 dev_err(dev_drv->dev, "can't find power_ctr node for lcdc%d\n",
 297                         dev_drv->id);
 298                 return -ENODEV;
 299         }
 300
 301         for_each_child_of_node(root, child) {
 302                 pwr_ctr = kmalloc(sizeof(struct rk_disp_pwr_ctr_list),
 303                                   GFP_KERNEL);
 304                 strcpy(pwr_ctr->pwr_ctr.name, child->name);
 305                 if (!of_property_read_u32(child, "rockchip,power_type", &val)) {
 306                         if (val == GPIO) {
 307                                 pwr_ctr->pwr_ctr.type = GPIO;
 308                                 pwr_ctr->pwr_ctr.gpio = of_get_gpio_flags(child, 0, &flags);
 309                                 if (!gpio_is_valid(pwr_ctr->pwr_ctr.gpio)) {
 310                                         dev_err(dev_drv->dev, "%s ivalid gpio\n",
 311                                                 child->name);
 312                                         return -EINVAL;
 313                                 }
 314                                 pwr_ctr->pwr_ctr.atv_val = !(flags & OF_GPIO_ACTIVE_LOW);
 315                                 ret = gpio_request(pwr_ctr->pwr_ctr.gpio,
 316                                                    child->name);
 317                                 if (ret) {
 318                                         dev_err(dev_drv->dev,
 319                                                 "request %s gpio fail:%d\n",
 320                                                 child->name, ret);
 321                                 }
 322
 323                         } else {
 324                                 pwr_ctr->pwr_ctr.type = REGULATOR;
 325                                 pwr_ctr->pwr_ctr.rgl_name = NULL;
 326                                 ret = of_property_read_string(child, "rockchip,regulator_name",
 327                                                               &(pwr_ctr->pwr_ctr.rgl_name));
 328                                 if (ret || IS_ERR_OR_NULL(pwr_ctr->pwr_ctr.rgl_name))
 329                                         dev_err(dev_drv->dev, "get regulator name failed!\n");
 330                                 if (!of_property_read_u32(child, "rockchip,regulator_voltage", &val))
 331                                         pwr_ctr->pwr_ctr.volt = val;
 332                                 else
 333                                         pwr_ctr->pwr_ctr.volt = 0;
 334                         }
 335                 };
 336
 337                 if (!of_property_read_u32(child, "rockchip,delay", &val))
 338                         pwr_ctr->pwr_ctr.delay = val;
 339                 else
 340                         pwr_ctr->pwr_ctr.delay = 0;
 341                 list_add_tail(&pwr_ctr->list, &dev_drv->pwrlist_head);
 342         }
 343
 344         of_property_read_u32(root, "rockchip,debug", &debug);
 345
 346         if (debug) {
 347                 list_for_each(pos, &dev_drv->pwrlist_head) {
 348                         pwr_ctr = list_entry(pos, struct rk_disp_pwr_ctr_list,
 349                                              list);
 350                         pr_info("pwr_ctr_name:%s\n"
 351                                 "pwr_type:%s\n"
 352                                 "gpio:%d\n"
 353                                 "atv_val:%d\n"
 354                                 "delay:%d\n\n",
 355                                 pwr_ctr->pwr_ctr.name,
 356                                 (pwr_ctr->pwr_ctr.type == GPIO) ? "gpio" : "regulator",
 357                                 pwr_ctr->pwr_ctr.gpio,
 358                                 pwr_ctr->pwr_ctr.atv_val,
 359                                 pwr_ctr->pwr_ctr.delay);
 360                 }
 361         }
 362
 363         return 0;
 364 }
 365
 366 int rk_disp_pwr_enable(struct rk_lcdc_driver *dev_drv)
 367 {
 368         struct list_head *pos;
 369         struct rk_disp_pwr_ctr_list *pwr_ctr_list;
 370         struct pwr_ctr *pwr_ctr;
 371         struct regulator *regulator_lcd = NULL;
 372         int count = 10;
 373
 374         if (list_empty(&dev_drv->pwrlist_head))
 375                 return 0;
 376         list_for_each(pos, &dev_drv->pwrlist_head) {
 377                 pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list,
 378                                           list);
 379                 pwr_ctr = &pwr_ctr_list->pwr_ctr;
 380                 if (pwr_ctr->type == GPIO) {
 381                         gpio_direction_output(pwr_ctr->gpio, pwr_ctr->atv_val);
 382                         mdelay(pwr_ctr->delay);
 383                 } else if (pwr_ctr->type == REGULATOR) {
 384                         if (pwr_ctr->rgl_name)
 385                                 regulator_lcd =
 386                                         regulator_get(NULL, pwr_ctr->rgl_name);
 387                         if (regulator_lcd == NULL) {
 388                                 dev_err(dev_drv->dev,
 389                                         "%s: regulator get failed,regulator name:%s\n",
 390                                         __func__, pwr_ctr->rgl_name);
 391                                 continue;
 392                         }
 393                         regulator_set_voltage(regulator_lcd, pwr_ctr->volt, pwr_ctr->volt);
 394                         while (!regulator_is_enabled(regulator_lcd)) {
 395                                 if (regulator_enable(regulator_lcd) == 0 || count == 0)
 396                                         break;
 397                                 else
 398                                         dev_err(dev_drv->dev,
 399                                                 "regulator_enable failed,count=%d\n",
 400                                                 count);
 401                                 count--;
 402                         }
 403                         regulator_put(regulator_lcd);
 404                         msleep(pwr_ctr->delay);
 405                 }
 406         }
 407
 408         return 0;
 409 }
 410
 411 int rk_disp_pwr_disable(struct rk_lcdc_driver *dev_drv)
 412 {
 413         struct list_head *pos;
 414         struct rk_disp_pwr_ctr_list *pwr_ctr_list;
 415         struct pwr_ctr *pwr_ctr;
 416         struct regulator *regulator_lcd = NULL;
 417         int count = 10;
 418
 419         if (list_empty(&dev_drv->pwrlist_head))
 420                 return 0;
 421         list_for_each(pos, &dev_drv->pwrlist_head) {
 422                 pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list,
 423                                           list);
 424                 pwr_ctr = &pwr_ctr_list->pwr_ctr;
 425                 if (pwr_ctr->type == GPIO) {
 426                         gpio_set_value(pwr_ctr->gpio, !pwr_ctr->atv_val);
 427                 } else if (pwr_ctr->type == REGULATOR) {
 428                         if (pwr_ctr->rgl_name)
 429                                 regulator_lcd = regulator_get(NULL, pwr_ctr->rgl_name);
 430                         if (regulator_lcd == NULL) {
 431                                 dev_err(dev_drv->dev,
 432                                         "%s: regulator get failed,regulator name:%s\n",
 433                                         __func__, pwr_ctr->rgl_name);
 434                                 continue;
 435                         }
 436                         while (regulator_is_enabled(regulator_lcd) > 0) {
 437                                 if (regulator_disable(regulator_lcd) == 0 ||
 438                                     count == 0)
 439                                         break;
 440                                 else
 441                                         dev_err(dev_drv->dev,
 442                                                 "regulator_disable failed,count=%d\n",
 443                                                 count);
 444                                 count--;
 445                         }
 446                         regulator_put(regulator_lcd);
 447                 }
 448         }
 449         return 0;
 450 }
 451
 452 int rk_fb_video_mode_from_timing(const struct display_timing *dt,
 453                                  struct rk_screen *screen)
 454 {
 455         screen->mode.pixclock = dt->pixelclock.typ;
 456         screen->mode.left_margin = dt->hback_porch.typ;
 457         screen->mode.right_margin = dt->hfront_porch.typ;
 458         screen->mode.xres = dt->hactive.typ;
 459         screen->mode.hsync_len = dt->hsync_len.typ;
 460         screen->mode.upper_margin = dt->vback_porch.typ;
 461         screen->mode.lower_margin = dt->vfront_porch.typ;
 462         screen->mode.yres = dt->vactive.typ;
 463         screen->mode.vsync_len = dt->vsync_len.typ;
 464         screen->type = dt->screen_type;
 465         screen->lvds_format = dt->lvds_format;
 466         screen->face = dt->face;
 467         screen->color_mode = dt->color_mode;
 468         screen->dsp_lut = dt->dsp_lut;
 469         screen->cabc_lut = dt->cabc_lut;
 470         screen->cabc_gamma_base = dt->cabc_gamma_base;
 471
 472         if (dt->flags & DISPLAY_FLAGS_INTERLACED)
 473                 screen->mode.vmode |= FB_VMODE_INTERLACED;
 474         if (dt->flags & DISPLAY_FLAGS_PIXDATA_POSEDGE)
 475                 screen->pin_dclk = 1;
 476         else
 477                 screen->pin_dclk = 0;
 478         if (dt->flags & DISPLAY_FLAGS_HSYNC_HIGH)
 479                 screen->pin_hsync = 1;
 480         else
 481                 screen->pin_hsync = 0;
 482         if (dt->flags & DISPLAY_FLAGS_VSYNC_HIGH)
 483                 screen->pin_vsync = 1;
 484         else
 485                 screen->pin_vsync = 0;
 486         if (dt->flags & DISPLAY_FLAGS_DE_HIGH)
 487                 screen->pin_den = 1;
 488         else
 489                 screen->pin_den = 0;
 490
 491         return 0;
 492 }
 493
 494 int rk_fb_prase_timing_dt(struct device_node *np, struct rk_screen *screen)
 495 {
 496         struct display_timings *disp_timing;
 497         struct display_timing *dt;
 498
 499         disp_timing = of_get_display_timings(np);
 500         if (!disp_timing) {
 501                 pr_err("parse display timing err\n");
 502                 return -EINVAL;
 503         }
 504         dt = display_timings_get(disp_timing, disp_timing->native_mode);
 505         rk_fb_video_mode_from_timing(dt, screen);
 506
 507         return 0;
 508 }
 509
 510 int rk_fb_calc_fps(struct rk_screen *screen, u32 pixclock)
 511 {
 512         int x, y;
 513         unsigned long long hz;
 514
 515         if (!screen) {
 516                 pr_err("%s:null screen!\n", __func__);
 517                 return 0;
 518         }
 519         x = screen->mode.xres + screen->mode.left_margin +
 520             screen->mode.right_margin + screen->mode.hsync_len;
 521         y = screen->mode.yres + screen->mode.upper_margin +
 522             screen->mode.lower_margin + screen->mode.vsync_len;
 523
 524         hz = 1000000000000ULL;  /* 1e12 picoseconds per second */
 525
 526         hz += (x * y) / 2;
 527         do_div(hz, x * y);      /* divide by x * y with rounding */
 528
 529         hz += pixclock / 2;
 530         do_div(hz, pixclock);   /* divide by pixclock with rounding */
 531
 532         return hz;
 533 }
 534
 535 char *get_format_string(enum data_format format, char *fmt)
 536 {
 537         if (!fmt)
 538                 return NULL;
 539         switch (format) {
 540         case ARGB888:
 541                 strcpy(fmt, "ARGB888");
 542                 break;
 543         case RGB888:
 544                 strcpy(fmt, "RGB888");
 545                 break;
 546         case RGB565:
 547                 strcpy(fmt, "RGB565");
 548                 break;
 549         case YUV420:
 550         case YUV420_NV21:
 551                 strcpy(fmt, "YUV420");
 552                 break;
 553         case YUV422:
 554                 strcpy(fmt, "YUV422");
 555                 break;
 556         case YUV444:
 557                 strcpy(fmt, "YUV444");
 558                 break;
 559         case YUV420_A:
 560                 strcpy(fmt, "YUV420_A");
 561                 break;
 562         case YUV422_A:
 563                 strcpy(fmt, "YUV422_A");
 564                 break;
 565         case YUV444_A:
 566                 strcpy(fmt, "YUV444_A");
 567                 break;
 568         case XRGB888:
 569                 strcpy(fmt, "XRGB888");
 570                 break;
 571         case XBGR888:
 572                 strcpy(fmt, "XBGR888");
 573                 break;
 574         case ABGR888:
 575                 strcpy(fmt, "ABGR888");
 576                 break;
 577         case FBDC_RGB_565:
 578                 strcpy(fmt, "FBDC_RGB_565");
 579                 break;
 580         case FBDC_ARGB_888:
 581         case FBDC_ABGR_888:
 582                 strcpy(fmt, "FBDC_ARGB_888");
 583                 break;
 584         case FBDC_RGBX_888:
 585                 strcpy(fmt, "FBDC_RGBX_888");
 586                 break;
 587         default:
 588                 strcpy(fmt, "invalid");
 589                 break;
 590         }
 591
 592         return fmt;
 593 }
 594
 595 /*
 596  * this is for hdmi
 597  * name: lcdc device name ,lcdc0 , lcdc1
 598  */
 599 struct rk_lcdc_driver *rk_get_lcdc_drv(char *name)
 600 {
 601         struct rk_fb *inf = NULL;
 602         struct rk_lcdc_driver *dev_drv = NULL;
 603         int i = 0;
 604
 605         if (likely(fb_pdev))
 606                 inf = platform_get_drvdata(fb_pdev);
 607         else
 608                 return NULL;
 609
 610         for (i = 0; i < inf->num_lcdc; i++) {
 611                 if (!strcmp(inf->lcdc_dev_drv[i]->name, name)) {
 612                         dev_drv = inf->lcdc_dev_drv[i];
 613                         break;
 614                 }
 615         }
 616
 617         return dev_drv;
 618 }
 619
 620 static struct rk_lcdc_driver *rk_get_prmry_lcdc_drv(void)
 621 {
 622         struct rk_fb *inf = NULL;
 623         struct rk_lcdc_driver *dev_drv = NULL;
 624         int i = 0;
 625
 626         if (likely(fb_pdev))
 627                 inf = platform_get_drvdata(fb_pdev);
 628         else
 629                 return NULL;
 630
 631         for (i = 0; i < inf->num_lcdc; i++) {
 632                 if (inf->lcdc_dev_drv[i]->prop == PRMRY) {
 633                         dev_drv = inf->lcdc_dev_drv[i];
 634                         break;
 635                 }
 636         }
 637
 638         return dev_drv;
 639 }
 640
 641 static __maybe_unused struct rk_lcdc_driver *rk_get_extend_lcdc_drv(void)
 642 {
 643         struct rk_fb *inf = NULL;
 644         struct rk_lcdc_driver *dev_drv = NULL;
 645         int i = 0;
 646
 647         if (likely(fb_pdev))
 648                 inf = platform_get_drvdata(fb_pdev);
 649         else
 650                 return NULL;
 651
 652         for (i = 0; i < inf->num_lcdc; i++) {
 653                 if (inf->lcdc_dev_drv[i]->prop == EXTEND) {
 654                         dev_drv = inf->lcdc_dev_drv[i];
 655                         break;
 656                 }
 657         }
 658
 659         return dev_drv;
 660 }
 661
 662 /*
 663  * get one frame time of the prmry screen, unit: us
 664  */
 665 u32 rk_fb_get_prmry_screen_ft(void)
 666 {
 667         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 668         u32 htotal, vtotal, pixclock_ps;
 669         u64 pix_total, ft_us;
 670
 671         if (unlikely(!dev_drv))
 672                 return 0;
 673
 674         pixclock_ps = dev_drv->pixclock;
 675
 676         vtotal = dev_drv->cur_screen->mode.upper_margin +
 677                  dev_drv->cur_screen->mode.lower_margin +
 678                  dev_drv->cur_screen->mode.yres +
 679                  dev_drv->cur_screen->mode.vsync_len;
 680         htotal = dev_drv->cur_screen->mode.left_margin +
 681                  dev_drv->cur_screen->mode.right_margin +
 682                  dev_drv->cur_screen->mode.xres +
 683                  dev_drv->cur_screen->mode.hsync_len;
 684         pix_total = htotal * vtotal;
 685         ft_us = pix_total * pixclock_ps;
 686         do_div(ft_us, 1000000);
 687         if (dev_drv->frame_time.ft == 0)
 688                 dev_drv->frame_time.ft = ft_us;
 689
 690         ft_us = dev_drv->frame_time.framedone_t - dev_drv->frame_time.last_framedone_t;
 691         do_div(ft_us, 1000);
 692         ft_us = min(dev_drv->frame_time.ft, (u32)ft_us);
 693         if (ft_us != 0)
 694                 dev_drv->frame_time.ft = ft_us;
 695
 696         return dev_drv->frame_time.ft;
 697 }
 698
 699 /*
 700  * get the vblanking time of the prmry screen, unit: us
 701  */
 702 u32 rk_fb_get_prmry_screen_vbt(void)
 703 {
 704         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 705         u32 htotal, vblank, pixclock_ps;
 706         u64 pix_blank, vbt_us;
 707
 708         if (unlikely(!dev_drv))
 709                 return 0;
 710
 711         pixclock_ps = dev_drv->pixclock;
 712
 713         htotal = (dev_drv->cur_screen->mode.left_margin +
 714                   dev_drv->cur_screen->mode.right_margin +
 715                   dev_drv->cur_screen->mode.xres +
 716                   dev_drv->cur_screen->mode.hsync_len);
 717         vblank = (dev_drv->cur_screen->mode.upper_margin +
 718                   dev_drv->cur_screen->mode.lower_margin +
 719                   dev_drv->cur_screen->mode.vsync_len);
 720         pix_blank = htotal * vblank;
 721         vbt_us = pix_blank * pixclock_ps;
 722         do_div(vbt_us, 1000000);
 723         return (u32)vbt_us;
 724 }
 725
 726 /*
 727  * get the frame done time of the prmry screen, unit: us
 728  */
 729 u64 rk_fb_get_prmry_screen_framedone_t(void)
 730 {
 731         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 732
 733         if (unlikely(!dev_drv))
 734                 return 0;
 735         else
 736                 return dev_drv->frame_time.framedone_t;
 737 }
 738
 739 /*
 740  * set prmry screen status
 741  */
 742 int rk_fb_set_prmry_screen_status(int status)
 743 {
 744         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 745         struct rk_screen *screen;
 746
 747         if (unlikely(!dev_drv))
 748                 return 0;
 749
 750         screen = dev_drv->cur_screen;
 751         switch (status) {
 752         case SCREEN_PREPARE_DDR_CHANGE:
 753                 if (screen->type == SCREEN_MIPI ||
 754                     screen->type == SCREEN_DUAL_MIPI) {
 755                         if (dev_drv->trsm_ops->dsp_pwr_off)
 756                                 dev_drv->trsm_ops->dsp_pwr_off();
 757                 }
 758                 break;
 759         case SCREEN_UNPREPARE_DDR_CHANGE:
 760                 if (screen->type == SCREEN_MIPI ||
 761                     screen->type == SCREEN_DUAL_MIPI) {
 762                         if (dev_drv->trsm_ops->dsp_pwr_on)
 763                                 dev_drv->trsm_ops->dsp_pwr_on();
 764                 }
 765                 break;
 766         default:
 767                 break;
 768         }
 769
 770         return 0;
 771 }
 772
 773 u32 rk_fb_get_prmry_screen_pixclock(void)
 774 {
 775         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 776
 777         if (unlikely(!dev_drv))
 778                 return 0;
 779         else
 780                 return dev_drv->pixclock;
 781 }
 782
 783 int rk_fb_poll_prmry_screen_vblank(void)
 784 {
 785         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 786
 787         if (likely(dev_drv)) {
 788                 if (dev_drv->ops->poll_vblank)
 789                         return dev_drv->ops->poll_vblank(dev_drv);
 790                 else
 791                         return RK_LF_STATUS_NC;
 792         } else {
 793                 return RK_LF_STATUS_NC;
 794         }
 795 }
 796
 797 bool rk_fb_poll_wait_frame_complete(void)
 798 {
 799         uint32_t timeout = RK_LF_MAX_TIMEOUT;
 800         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 801
 802         if (likely(dev_drv)) {
 803                 if (dev_drv->ops->set_irq_to_cpu)
 804                         dev_drv->ops->set_irq_to_cpu(dev_drv, 0);
 805         }
 806
 807         if (rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_NC) {
 808                 if (likely(dev_drv)) {
 809                         if (dev_drv->ops->set_irq_to_cpu)
 810                                 dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
 811                 }
 812                 return false;
 813         }
 814         while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FR) && --timeout)
 815                 ;
 816         while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FC) && --timeout)
 817                 ;
 818         if (likely(dev_drv)) {
 819                 if (dev_drv->ops->set_irq_to_cpu)
 820                         dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
 821         }
 822
 823         return true;
 824 }
 825
 826 /* rk_fb_get_sysmmu_device_by_compatible()
 827  * @compt: dts device compatible name
 828  * return value: success: pointer to the device inside of platform device
 829  *               fail: NULL
 830  */
 831 struct device *rk_fb_get_sysmmu_device_by_compatible(const char *compt)
 832 {
 833         struct device_node *dn = NULL;
 834         struct platform_device *pd = NULL;
 835         struct device *ret = NULL ;
 836
 837         dn = of_find_compatible_node(NULL, NULL, compt);
 838         if (!dn) {
 839                 pr_info("can't find device node %s \r\n", compt);
 840                 return NULL;
 841         }
 842
 843         pd = of_find_device_by_node(dn);
 844         if (!pd) {
 845                 pr_info("can't find platform device node %s \r\n", compt);
 846                 return  NULL;
 847         }
 848         ret = &pd->dev;
 849
 850         return ret;
 851 }
 852
 853 #ifdef CONFIG_IOMMU_API
 854 void rk_fb_platform_set_sysmmu(struct device *sysmmu, struct device *dev)
 855 {
 856         dev->archdata.iommu = sysmmu;
 857 }
 858 #else
 859 void rk_fb_platform_set_sysmmu(struct device *sysmmu, struct device *dev)
 860 {
 861 }
 862 #endif
 863
 864 static int rk_fb_open(struct fb_info *info, int user)
 865 {
 866         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
 867         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
 868         int win_id;
 869
 870         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
 871         fb_par->state++;
 872         /* if this win aready opened ,no need to reopen */
 873         if (dev_drv->win[win_id]->state)
 874                 return 0;
 875         else
 876                 dev_drv->ops->open(dev_drv, win_id, 1);
 877         return 0;
 878 }
 879
 880 static int rk_fb_close(struct fb_info *info, int user)
 881 {
 882         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
 883         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
 884         struct rk_lcdc_win *win = NULL;
 885         int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
 886
 887         if (win_id >= 0) {
 888                 win = dev_drv->win[win_id];
 889                 if (fb_par->state)
 890                         fb_par->state--;
 891                 if (!fb_par->state) {
 892                         if (fb_par->fb_phy_base > 0)
 893                                 info->fix.smem_start = fb_par->fb_phy_base;
 894                         info->var.xres = dev_drv->screen0->mode.xres;
 895                         info->var.yres = dev_drv->screen0->mode.yres;
 896                         /*
 897                          *info->var.grayscale |=
 898                          *   (info->var.xres << 8) + (info->var.yres << 20);
 899                          */
 900                         info->var.xres_virtual = info->var.xres;
 901                         info->var.yres_virtual = info->var.yres;
 902 #if defined(CONFIG_LOGO_LINUX_BMP)
 903                         info->var.bits_per_pixel = 32;
 904 #else
 905                         info->var.bits_per_pixel = 16;
 906 #endif
 907                         info->fix.line_length =
 908                             (info->var.xres_virtual) *
 909                             (info->var.bits_per_pixel >> 3);
 910                         info->var.width = dev_drv->screen0->width;
 911                         info->var.height = dev_drv->screen0->height;
 912                         info->var.pixclock = dev_drv->pixclock;
 913                         info->var.left_margin =
 914                                 dev_drv->screen0->mode.left_margin;
 915                         info->var.right_margin =
 916                                 dev_drv->screen0->mode.right_margin;
 917                         info->var.upper_margin =
 918                                 dev_drv->screen0->mode.upper_margin;
 919                         info->var.lower_margin =
 920                                 dev_drv->screen0->mode.lower_margin;
 921                         info->var.vsync_len = dev_drv->screen0->mode.vsync_len;
 922                         info->var.hsync_len = dev_drv->screen0->mode.hsync_len;
 923                 }
 924         }
 925
 926         return 0;
 927 }
 928
 929 #if defined(FB_ROATE_BY_KERNEL)
 930
 931 #if defined(CONFIG_RK29_IPP)
 932 static int get_ipp_format(int fmt)
 933 {
 934         int ipp_fmt = IPP_XRGB_8888;
 935
 936         switch (fmt) {
 937         case HAL_PIXEL_FORMAT_RGBX_8888:
 938         case HAL_PIXEL_FORMAT_RGBA_8888:
 939         case HAL_PIXEL_FORMAT_BGRA_8888:
 940         case HAL_PIXEL_FORMAT_RGB_888:
 941                 ipp_fmt = IPP_XRGB_8888;
 942                 break;
 943         case HAL_PIXEL_FORMAT_RGB_565:
 944                 ipp_fmt = IPP_RGB_565;
 945                 break;
 946         case HAL_PIXEL_FORMAT_YCbCr_422_SP:
 947                 ipp_fmt = IPP_Y_CBCR_H2V1;
 948                 break;
 949         case HAL_PIXEL_FORMAT_YCrCb_NV12:
 950                 ipp_fmt = IPP_Y_CBCR_H2V2;
 951                 break;
 952         case HAL_PIXEL_FORMAT_YCrCb_444:
 953                 ipp_fmt = IPP_Y_CBCR_H1V1;
 954                 break;
 955         default:
 956                 ipp_fmt = IPP_IMGTYPE_LIMIT;
 957                 break;
 958         }
 959
 960         return ipp_fmt;
 961 }
 962
 963 static void ipp_win_check(int *dst_w, int *dst_h, int *dst_vir_w,
 964                           int rotation, int fmt)
 965 {
 966         int align16 = 2;
 967         int align64 = 8;
 968
 969         if (fmt == IPP_XRGB_8888) {
 970                 align16 = 1;
 971                 align64 = 2;
 972         } else if (fmt == IPP_RGB_565) {
 973                 align16 = 1;
 974                 align64 = 4;
 975         } else {
 976                 align16 = 2;
 977                 align64 = 8;
 978         }
 979         align16 -= 1;           /*for YUV, 1 */
 980         align64 -= 1;           /*for YUV, 7 */
 981
 982         if (rotation == IPP_ROT_0) {
 983                 if (fmt > IPP_RGB_565) {
 984                         if ((*dst_w & 1) != 0)
 985                                 *dst_w = *dst_w + 1;
 986                         if ((*dst_h & 1) != 0)
 987                                 *dst_h = *dst_h + 1;
 988                         if (*dst_vir_w < *dst_w)
 989                                 *dst_vir_w = *dst_w;
 990                 }
 991         } else {
 992                 if ((*dst_w & align64) != 0)
 993                         *dst_w = (*dst_w + align64) & (~align64);
 994                 if ((fmt > IPP_RGB_565) && ((*dst_h & 1) == 1))
 995                         *dst_h = *dst_h + 1;
 996                 if (*dst_vir_w < *dst_w)
 997                         *dst_vir_w = *dst_w;
 998         }
 999 }
1000
1001 static void fb_copy_by_ipp(struct fb_info *dst_info,
1002                                 struct fb_info *src_info)
1003 {
1004         struct rk29_ipp_req ipp_req;
1005         uint32_t rotation = 0;
1006         int dst_w, dst_h, dst_vir_w;
1007         int ipp_fmt;
1008         u8 data_format = (dst_info->var.nonstd) & 0xff;
1009         struct rk_fb_par *fb_par = (struct rk_fb_par *)dst_info->par;
1010         struct rk_lcdc_driver *ext_dev_drv = fb_par->lcdc_drv;
1011         u16 orientation = ext_dev_drv->rotate_mode;
1012
1013         memset(&ipp_req, 0, sizeof(struct rk29_ipp_req));
1014
1015         switch (orientation) {
1016         case 0:
1017                 rotation = IPP_ROT_0;
1018                 break;
1019         case ROTATE_90:
1020                 rotation = IPP_ROT_90;
1021                 break;
1022         case ROTATE_180:
1023                 rotation = IPP_ROT_180;
1024                 break;
1025         case ROTATE_270:
1026                 rotation = IPP_ROT_270;
1027                 break;
1028         default:
1029                 rotation = IPP_ROT_270;
1030                 break;
1031         }
1032
1033         dst_w = dst_info->var.xres;
1034         dst_h = dst_info->var.yres;
1035         dst_vir_w = dst_info->var.xres_virtual;
1036         ipp_fmt = get_ipp_format(data_format);
1037         ipp_win_check(&dst_w, &dst_h, &dst_vir_w, rotation, ipp_fmt);
1038         ipp_req.src0.YrgbMst = src_info->fix.smem_start + offset;
1039         ipp_req.src0.w = src_info->var.xres;
1040         ipp_req.src0.h = src_info->var.yres;
1041         ipp_req.src_vir_w = src_info->var.xres_virtual;
1042         ipp_req.src0.fmt = ipp_fmt;
1043
1044         ipp_req.dst0.YrgbMst = dst_info->fix.smem_start + offset;
1045         ipp_req.dst0.w = dst_w;
1046         ipp_req.dst0.h = dst_h;
1047         ipp_req.dst_vir_w = dst_vir_w;
1048         ipp_req.dst0.fmt = ipp_fmt;
1049
1050         ipp_req.timeout = 100;
1051         ipp_req.flag = rotation;
1052         ipp_blit_sync(&ipp_req);
1053 }
1054
1055 #endif
1056
1057 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1058 static int get_rga_format(int fmt)
1059 {
1060         int rga_fmt = 0;
1061
1062         switch (fmt) {
1063         case XBGR888:
1064                 rga_fmt = RK_FORMAT_RGBX_8888;
1065                 break;
1066         case ABGR888:
1067                 rga_fmt = RK_FORMAT_RGBA_8888;
1068                 break;
1069         case ARGB888:
1070                 rga_fmt = RK_FORMAT_BGRA_8888;
1071                 break;
1072         case RGB888:
1073                 rga_fmt = RK_FORMAT_RGB_888;
1074                 break;
1075         case RGB565:
1076                 rga_fmt = RK_FORMAT_RGB_565;
1077                 break;
1078         case YUV422:
1079                 rga_fmt = RK_FORMAT_YCbCr_422_SP;
1080                 break;
1081         case YUV420:
1082                 rga_fmt = RK_FORMAT_YCbCr_420_SP;
1083                 break;
1084         default:
1085                 rga_fmt = RK_FORMAT_RGBA_8888;
1086                 break;
1087         }
1088
1089         return rga_fmt;
1090 }
1091
1092 static void rga_win_check(struct rk_lcdc_win *dst_win,
1093                           struct rk_lcdc_win *src_win)
1094 {
1095         int format = 0;
1096
1097         format = get_rga_format(src_win->area[0].format);
1098         /* width and height must be even number */
1099         if (format >= RK_FORMAT_YCbCr_422_SP &&
1100             format <= RK_FORMAT_YCrCb_420_P) {
1101                 if ((src_win->area[0].xact % 2) != 0)
1102                         src_win->area[0].xact += 1;
1103                 if ((src_win->area[0].yact % 2) != 0)
1104                         src_win->area[0].yact += 1;
1105         }
1106         if (src_win->area[0].xvir < src_win->area[0].xact)
1107                 src_win->area[0].xvir = src_win->area[0].xact;
1108         if (src_win->area[0].yvir < src_win->area[0].yact)
1109                 src_win->area[0].yvir = src_win->area[0].yact;
1110
1111         format = get_rga_format(dst_win->area[0].format);
1112         if (format >= RK_FORMAT_YCbCr_422_SP &&
1113             format <= RK_FORMAT_YCrCb_420_P) {
1114                 if ((dst_win->area[0].xact % 2) != 0)
1115                         dst_win->area[0].xact += 1;
1116                 if ((dst_win->area[0].yact % 2) != 0)
1117                         dst_win->area[0].yact += 1;
1118         }
1119         if (dst_win->area[0].xvir < dst_win->area[0].xact)
1120                 dst_win->area[0].xvir = dst_win->area[0].xact;
1121         if (dst_win->area[0].yvir < dst_win->area[0].yact)
1122                 dst_win->area[0].yvir = dst_win->area[0].yact;
1123 }
1124
1125 static void win_copy_by_rga(struct rk_lcdc_win *dst_win,
1126                             struct rk_lcdc_win *src_win,
1127                             u16 orientation, int iommu_en)
1128 {
1129         struct rga_req Rga_Request;
1130         long ret = 0;
1131         /* int fd = 0; */
1132
1133         memset(&Rga_Request, 0, sizeof(Rga_Request));
1134         rga_win_check(dst_win, src_win);
1135
1136         switch (orientation) {
1137         case ROTATE_90:
1138                 Rga_Request.rotate_mode = 1;
1139                 Rga_Request.sina = 65536;
1140                 Rga_Request.cosa = 0;
1141                 Rga_Request.dst.act_w = dst_win->area[0].yact;
1142                 Rga_Request.dst.act_h = dst_win->area[0].xact;
1143                 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1144                 Rga_Request.dst.y_offset = 0;
1145                 break;
1146         case ROTATE_180:
1147                 Rga_Request.rotate_mode = 1;
1148                 Rga_Request.sina = 0;
1149                 Rga_Request.cosa = -65536;
1150                 Rga_Request.dst.act_w = dst_win->area[0].xact;
1151                 Rga_Request.dst.act_h = dst_win->area[0].yact;
1152                 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1153                 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1154                 break;
1155         case ROTATE_270:
1156                 Rga_Request.rotate_mode = 1;
1157                 Rga_Request.sina = -65536;
1158                 Rga_Request.cosa = 0;
1159                 Rga_Request.dst.act_w = dst_win->area[0].yact;
1160                 Rga_Request.dst.act_h = dst_win->area[0].xact;
1161                 Rga_Request.dst.x_offset = 0;
1162                 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1163                 break;
1164         default:
1165                 Rga_Request.rotate_mode = 0;
1166                 Rga_Request.dst.act_w = dst_win->area[0].xact;
1167                 Rga_Request.dst.act_h = dst_win->area[0].yact;
1168                 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1169                 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1170                 break;
1171         }
1172
1173         /*
1174          * fd =
1175          *    ion_share_dma_buf_fd(rk_fb->ion_client, src_win->area[0].ion_hdl);
1176          * Rga_Request.src.yrgb_addr = fd;
1177          * fd =
1178          *    ion_share_dma_buf_fd(rk_fb->ion_client, dst_win->area[0].ion_hdl);
1179          * Rga_Request.dst.yrgb_addr = fd;
1180          */
1181         Rga_Request.src.yrgb_addr = 0;
1182         Rga_Request.src.uv_addr =
1183             src_win->area[0].smem_start + src_win->area[0].y_offset;
1184         Rga_Request.src.v_addr = 0;
1185
1186         Rga_Request.dst.yrgb_addr = 0;
1187         Rga_Request.dst.uv_addr =
1188             dst_win->area[0].smem_start + dst_win->area[0].y_offset;
1189         Rga_Request.dst.v_addr = 0;
1190
1191         Rga_Request.src.vir_w = src_win->area[0].xvir;
1192         Rga_Request.src.vir_h = src_win->area[0].yvir;
1193         Rga_Request.src.format = get_rga_format(src_win->area[0].format);
1194         Rga_Request.src.act_w = src_win->area[0].xact;
1195         Rga_Request.src.act_h = src_win->area[0].yact;
1196         Rga_Request.src.x_offset = 0;
1197         Rga_Request.src.y_offset = 0;
1198
1199         Rga_Request.dst.vir_w = dst_win->area[0].xvir;
1200         Rga_Request.dst.vir_h = dst_win->area[0].yvir;
1201         Rga_Request.dst.format = get_rga_format(dst_win->area[0].format);
1202
1203         Rga_Request.clip.xmin = 0;
1204         Rga_Request.clip.xmax = dst_win->area[0].xact - 1;
1205         Rga_Request.clip.ymin = 0;
1206         Rga_Request.clip.ymax = dst_win->area[0].yact - 1;
1207         Rga_Request.scale_mode = 0;
1208 #if defined(CONFIG_RK_IOMMU)
1209         if (iommu_en) {
1210                 Rga_Request.mmu_info.mmu_en = 1;
1211                 Rga_Request.mmu_info.mmu_flag = 1;
1212         } else {
1213                 Rga_Request.mmu_info.mmu_en = 0;
1214                 Rga_Request.mmu_info.mmu_flag = 0;
1215         }
1216 #else
1217         Rga_Request.mmu_info.mmu_en = 0;
1218         Rga_Request.mmu_info.mmu_flag = 0;
1219 #endif
1220
1221         ret = rga_ioctl_kernel(&Rga_Request);
1222 }
1223
1224 /*
1225  * This function is used for copying fb by RGA Module
1226  * RGA only support copy RGB to RGB
1227  * RGA2 support copy RGB to RGB and YUV to YUV
1228  */
1229 static void fb_copy_by_rga(struct fb_info *dst_info,
1230                                struct fb_info *src_info)
1231 {
1232         struct rk_fb_par *src_fb_par = (struct rk_fb_par *)src_info->par;
1233         struct rk_fb_par *dst_fb_par = (struct rk_fb_par *)dst_info->par;
1234         struct rk_lcdc_driver *dev_drv = src_fb_par->lcdc_drv;
1235         struct rk_lcdc_driver *ext_dev_drv = dst_fb_par->lcdc_drv;
1236         int win_id = 0, ext_win_id;
1237         struct rk_lcdc_win *src_win, *dst_win;
1238
1239         win_id = dev_drv->ops->fb_get_win_id(dev_drv, src_info->fix.id);
1240         src_win = dev_drv->win[win_id];
1241
1242         ext_win_id =
1243             ext_dev_drv->ops->fb_get_win_id(ext_dev_drv, dst_info->fix.id);
1244         dst_win = ext_dev_drv->win[ext_win_id];
1245
1246         win_copy_by_rga(dst_win, src_win, ext_dev_drv->rotate_mode,
1247                         ext_dev_drv->iommu_enabled);
1248 }
1249 #endif
1250
1251 static int rk_fb_rotate(struct fb_info *dst_info,
1252                           struct fb_info *src_info)
1253 {
1254 #if defined(CONFIG_RK29_IPP)
1255         fb_copy_by_ipp(dst_info, src_info);
1256 #elif defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1257         fb_copy_by_rga(dst_info, src_info);
1258 #else
1259         return -1;
1260 #endif
1261         return 0;
1262 }
1263
1264 static int __maybe_unused rk_fb_win_rotate(struct rk_lcdc_win *dst_win,
1265                                             struct rk_lcdc_win *src_win,
1266                                             u16 rotate, int iommu_en)
1267 {
1268 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1269         win_copy_by_rga(dst_win, src_win, rotate, iommu_en);
1270 #else
1271         return -1;
1272 #endif
1273         return 0;
1274 }
1275
1276 #endif
1277
1278 static int rk_fb_pan_display(struct fb_var_screeninfo *var,
1279                              struct fb_info *info)
1280 {
1281         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1282         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1283         struct fb_fix_screeninfo *fix = &info->fix;
1284         int win_id = 0;
1285         struct rk_lcdc_win *win = NULL;
1286         struct rk_screen *screen = dev_drv->cur_screen;
1287         u32 xoffset = var->xoffset;
1288         u32 yoffset = var->yoffset;
1289         u32 xvir = var->xres_virtual;
1290         u8 pixel_width;
1291         u32 vir_width_bit;
1292         u32 stride, uv_stride;
1293         u32 stride_32bit_1;
1294         u32 stride_32bit_2;
1295         u16 uv_x_off, uv_y_off, uv_y_act;
1296         u8 is_pic_yuv = 0;
1297
1298         if (dev_drv->suspend_flag)
1299                 return 0;
1300         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1301         if (win_id < 0)
1302                 return -ENODEV;
1303         else
1304                 win = dev_drv->win[win_id];
1305
1306         pixel_width = rk_fb_pixel_width(win->area[0].format);
1307         vir_width_bit = pixel_width * xvir;
1308         stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
1309         stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
1310
1311         switch (win->area[0].format) {
1312         case YUV422:
1313         case YUV422_A:
1314                 is_pic_yuv = 1;
1315                 stride = stride_32bit_1;
1316                 uv_stride = stride_32bit_1;
1317                 uv_x_off = xoffset;
1318                 uv_y_off = yoffset;
1319                 fix->line_length = stride;
1320                 uv_y_act = win->area[0].yact >> 1;
1321                 break;
1322         case YUV420:            /* nv12 */
1323         case YUV420_NV21:       /* nv21 */
1324         case YUV420_A:
1325                 is_pic_yuv = 1;
1326                 stride = stride_32bit_1;
1327                 uv_stride = stride_32bit_1;
1328                 uv_x_off = xoffset;
1329                 uv_y_off = yoffset >> 1;
1330                 fix->line_length = stride;
1331                 uv_y_act = win->area[0].yact >> 1;
1332                 break;
1333         case YUV444:
1334         case YUV444_A:
1335                 is_pic_yuv = 1;
1336                 stride = stride_32bit_1;
1337                 uv_stride = stride_32bit_2;
1338                 uv_x_off = xoffset * 2;
1339                 uv_y_off = yoffset;
1340                 fix->line_length = stride << 2;
1341                 uv_y_act = win->area[0].yact;
1342                 break;
1343         default:
1344                 stride = stride_32bit_1;        /* default rgb */
1345                 fix->line_length = stride;
1346                 break;
1347         }
1348
1349         /* x y mirror ,jump line */
1350         if ((screen->y_mirror == 1) ||
1351             (win->xmirror && win->ymirror)) {
1352                 if (screen->interlace == 1) {
1353                         win->area[0].y_offset = yoffset * stride * 2 +
1354                             ((win->area[0].yact - 1) * 2 + 1) * stride +
1355                             xoffset * pixel_width / 8;
1356                 } else {
1357                         win->area[0].y_offset = yoffset * stride +
1358                             (win->area[0].yact - 1) * stride +
1359                             xoffset * pixel_width / 8;
1360                 }
1361         } else {
1362                 if (screen->interlace == 1) {
1363                         win->area[0].y_offset =
1364                             yoffset * stride * 2 + xoffset * pixel_width / 8;
1365                 } else {
1366                         win->area[0].y_offset =
1367                             yoffset * stride + xoffset * pixel_width / 8;
1368                 }
1369         }
1370         if (is_pic_yuv == 1) {
1371                 if ((screen->y_mirror == 1) ||
1372                     (win->xmirror && win->ymirror)) {
1373                         if (screen->interlace == 1) {
1374                                 win->area[0].c_offset =
1375                                     uv_y_off * uv_stride * 2 +
1376                                     ((uv_y_act - 1) * 2 + 1) * uv_stride +
1377                                     uv_x_off * pixel_width / 8;
1378                         } else {
1379                                 win->area[0].c_offset = uv_y_off * uv_stride +
1380                                     (uv_y_act - 1) * uv_stride +
1381                                     uv_x_off * pixel_width / 8;
1382                         }
1383                 } else {
1384                         if (screen->interlace == 1) {
1385                                 win->area[0].c_offset =
1386                                     uv_y_off * uv_stride * 2 +
1387                                     uv_x_off * pixel_width / 8;
1388                         } else {
1389                                 win->area[0].c_offset =
1390                                     uv_y_off * uv_stride +
1391                                     uv_x_off * pixel_width / 8;
1392                         }
1393                 }
1394         }
1395
1396         win->area[0].smem_start = fix->smem_start;
1397         win->area[0].cbr_start = fix->mmio_start;
1398         win->area[0].state = 1;
1399         win->area_num = 1;
1400
1401         dev_drv->ops->pan_display(dev_drv, win_id);
1402
1403 #ifdef  CONFIG_FB_MIRRORING
1404         if (video_data_to_mirroring)
1405                 video_data_to_mirroring(info, NULL);
1406 #endif
1407         /*if not want the config effect,set reserved[3] bit[0] 1*/
1408         if (likely((var->reserved[3] & 0x1) == 0))
1409                 dev_drv->ops->cfg_done(dev_drv);
1410         if (dev_drv->hdmi_switch)
1411                 mdelay(100);
1412         return 0;
1413 }
1414
1415 static int rk_fb_get_list_stat(struct rk_lcdc_driver *dev_drv)
1416 {
1417         int i, j;
1418
1419         i = list_empty(&dev_drv->update_regs_list);
1420         j = list_empty(&dev_drv->saved_list);
1421         return i == j ? 0 : 1;
1422 }
1423
1424 void rk_fd_fence_wait(struct rk_lcdc_driver *dev_drv, struct sync_fence *fence)
1425 {
1426         int err = sync_fence_wait(fence, 1000);
1427
1428         if (err >= 0)
1429                 return;
1430
1431         if (err == -ETIME)
1432                 err = sync_fence_wait(fence, 10 * MSEC_PER_SEC);
1433
1434         if (err < 0)
1435                 pr_info("error waiting on fence\n");
1436 }
1437 #if 0
1438 static int rk_fb_copy_from_loader(struct fb_info *info)
1439 {
1440         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1441         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1442         void *dst = info->screen_base;
1443         u32 dsp_addr[4];
1444         u32 src;
1445         u32 i, size;
1446         int win_id;
1447         struct rk_lcdc_win *win;
1448
1449         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1450         win = dev_drv->win[win_id];
1451         size = (win->area[0].xact) * (win->area[0].yact) << 2;
1452         dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1453         src = dsp_addr[win_id];
1454         dev_info(info->dev, "copy fb data %d x %d  from  dst_addr:%08x\n",
1455                  win->area[0].xact, win->area[0].yact, src);
1456         for (i = 0; i < size; i += PAGE_SIZE) {
1457                 void *page = phys_to_page(i + src);
1458                 void *from_virt = kmap(page);
1459                 void *to_virt = dst + i;
1460                 memcpy(to_virt, from_virt, PAGE_SIZE);
1461         }
1462         dev_drv->ops->direct_set_addr(dev_drv, win_id,
1463                                       info->fix.smem_start);
1464         return 0;
1465 }
1466 #endif
1467 #ifdef CONFIG_RK_IOMMU
1468 static int g_last_addr[5][4];
1469 static int g_now_config_addr[5][4];
1470 static int g_last_state[5][4];
1471 static int g_now_config_state[5][4];
1472 int g_last_timeout;
1473 u32 freed_addr[10];
1474 u32 freed_index;
1475
1476 #define DUMP_CHUNK 256
1477 char buf[PAGE_SIZE];
1478
1479 int rk_fb_sysmmu_fault_handler(struct device *dev,
1480                                enum rk_iommu_inttype itype,
1481                                unsigned long pgtable_base,
1482                                unsigned long fault_addr, unsigned int status)
1483 {
1484         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
1485         int i = 0, j = 0;
1486         static int page_fault_cnt;
1487         if ((page_fault_cnt++) >= 10)
1488                 return 0;
1489         pr_err
1490             ("PAGE FAULT occurred at 0x%lx (Page table base: 0x%lx),status=%d\n",
1491              fault_addr, pgtable_base, status);
1492         pr_info("last config addr:\n");
1493         for (i = 0; i < 4; i++) {
1494                 for (j = 0; j < 4; j++)
1495                         pr_info("win[%d],area[%d] = 0x%08x\n",
1496                                 i, j, g_last_addr[i][j]);
1497         }
1498         pr_info("last freed buffer:\n");
1499         for (i = 0; (freed_addr[i] != 0xfefefefe) && freed_addr[i]; i++)
1500                 pr_info("%d:0x%08x\n", i, freed_addr[i]);
1501         pr_info("last timeout:%d\n", g_last_timeout);
1502         dev_drv->ops->get_disp_info(dev_drv, buf, 0);
1503         for (i = 0; i < PAGE_SIZE; i += DUMP_CHUNK) {
1504                 if ((PAGE_SIZE - i) > DUMP_CHUNK) {
1505                         char c = buf[i + DUMP_CHUNK];
1506                         buf[i + DUMP_CHUNK] = 0;
1507                         pr_cont("%s", buf + i);
1508                         buf[i + DUMP_CHUNK] = c;
1509                 } else {
1510                         buf[PAGE_SIZE - 1] = 0;
1511                         pr_cont("%s", buf + i);
1512                 }
1513         }
1514
1515         return 0;
1516 }
1517 #endif
1518
1519 void rk_fb_free_dma_buf(struct rk_lcdc_driver *dev_drv,
1520                         struct rk_fb_reg_win_data *reg_win_data)
1521 {
1522         int i, index_buf;
1523         struct rk_fb_reg_area_data *area_data;
1524         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1525
1526         for (i = 0; i < reg_win_data->area_num; i++) {
1527                 area_data = &reg_win_data->reg_area_data[i];
1528                 index_buf = area_data->index_buf;
1529 #if defined(CONFIG_RK_IOMMU)
1530                 if (dev_drv->iommu_enabled) {
1531                         if (area_data->ion_handle != NULL &&
1532                             !IS_YUV_FMT(area_data->data_format))
1533                                 ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client,
1534                                                 area_data->ion_handle);
1535                         freed_addr[freed_index++] = area_data->smem_start;
1536                 }
1537 #endif
1538                 if (area_data->ion_handle != NULL)
1539                         ion_free(rk_fb->ion_client, area_data->ion_handle);
1540
1541                 if (area_data->acq_fence)
1542                         sync_fence_put(area_data->acq_fence);
1543         }
1544         memset(reg_win_data, 0, sizeof(struct rk_fb_reg_win_data));
1545 }
1546
1547 static void rk_fb_update_win(struct rk_lcdc_driver *dev_drv,
1548                                 struct rk_lcdc_win *win,
1549                                 struct rk_fb_reg_win_data *reg_win_data)
1550 {
1551         int i = 0;
1552         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
1553         struct rk_screen *cur_screen;
1554         struct rk_screen primary_screen;
1555
1556         if (unlikely(!inf) || unlikely(!dev_drv) ||
1557             unlikely(!win) || unlikely(!reg_win_data))
1558                 return;
1559
1560         cur_screen = dev_drv->cur_screen;
1561         rk_fb_get_prmry_screen(&primary_screen);
1562
1563         win->area_num = reg_win_data->area_num;
1564         win->id = reg_win_data->win_id;
1565         win->z_order = reg_win_data->z_order;
1566
1567         if (reg_win_data->reg_area_data[0].smem_start > 0) {
1568                 win->state = 1;
1569                 win->area_num = reg_win_data->area_num;
1570                 win->id = reg_win_data->win_id;
1571                 win->z_order = reg_win_data->z_order;
1572                 win->area[0].uv_vir_stride =
1573                     reg_win_data->reg_area_data[0].uv_vir_stride;
1574                 win->area[0].cbr_start =
1575                     reg_win_data->reg_area_data[0].cbr_start;
1576                 win->area[0].c_offset = reg_win_data->reg_area_data[0].c_offset;
1577                 win->alpha_en = reg_win_data->alpha_en;
1578                 win->alpha_mode = reg_win_data->alpha_mode;
1579                 win->g_alpha_val = reg_win_data->g_alpha_val;
1580                 /*
1581                  * reg_win_data mirror_en means that xmirror ymirror all
1582                  * enabled.
1583                  */
1584                 win->xmirror = reg_win_data->mirror_en ? 1 : 0;
1585                 win->ymirror = reg_win_data->mirror_en ? 1 : 0;
1586                 win->colorspace = reg_win_data->colorspace;
1587                 win->area[0].fbdc_en =
1588                         reg_win_data->reg_area_data[0].fbdc_en;
1589                 win->area[0].fbdc_cor_en =
1590                         reg_win_data->reg_area_data[0].fbdc_cor_en;
1591                 win->area[0].fbdc_data_format =
1592                         reg_win_data->reg_area_data[0].fbdc_data_format;
1593                 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
1594                         if (reg_win_data->reg_area_data[i].smem_start > 0) {
1595                                 win->area[i].format =
1596                                         reg_win_data->reg_area_data[i].data_format;
1597                                 win->area[i].ion_hdl =
1598                                         reg_win_data->reg_area_data[i].ion_handle;
1599                                 win->area[i].smem_start =
1600                                         reg_win_data->reg_area_data[i].smem_start;
1601                                 if (inf->disp_mode == DUAL ||
1602                                     inf->disp_mode == NO_DUAL) {
1603                                         win->area[i].xpos =
1604                                                 reg_win_data->reg_area_data[i].xpos;
1605                                         win->area[i].ypos =
1606                                                 reg_win_data->reg_area_data[i].ypos;
1607                                         win->area[i].xsize =
1608                                                 reg_win_data->reg_area_data[i].xsize;
1609                                         win->area[i].ysize =
1610                                                 reg_win_data->reg_area_data[i].ysize;
1611                                 } else {
1612                                         win->area[i].xpos =
1613                                                 reg_win_data->reg_area_data[i].xpos *
1614                                                 cur_screen->mode.xres /
1615                                                 primary_screen.mode.xres;
1616                                         win->area[i].ypos =
1617                                                 reg_win_data->reg_area_data[i].ypos *
1618                                                 cur_screen->mode.yres /
1619                                                 primary_screen.mode.yres;
1620                                         win->area[i].xsize =
1621                                                 reg_win_data->reg_area_data[i].xsize *
1622                                                 cur_screen->mode.xres /
1623                                                 primary_screen.mode.xres;
1624                                         win->area[i].ysize =
1625                                                 reg_win_data->reg_area_data[i].ysize *
1626                                                 cur_screen->mode.yres /
1627                                                 primary_screen.mode.yres;
1628
1629                                         /* recalc display size if set hdmi scaler when at ONE_DUAL mode */
1630                                         if (inf->disp_mode == ONE_DUAL && hdmi_switch_state) {
1631                                                 if (cur_screen->xsize > 0 &&
1632                                                     cur_screen->xsize <= cur_screen->mode.xres) {
1633                                                         win->area[i].xpos =
1634                                                                 ((cur_screen->mode.xres - cur_screen->xsize) >> 1) +
1635                                                                 cur_screen->xsize * win->area[i].xpos / cur_screen->mode.xres;
1636                                                         win->area[i].xsize =
1637                                                                 win->area[i].xsize * cur_screen->xsize / cur_screen->mode.xres;
1638                                                 }
1639                                                 if (cur_screen->ysize > 0 && cur_screen->ysize <= cur_screen->mode.yres) {
1640                                                         win->area[i].ypos =
1641                                                                 ((cur_screen->mode.yres - cur_screen->ysize) >> 1) +
1642                                                                 cur_screen->ysize * win->area[i].ypos / cur_screen->mode.yres;
1643                                                         win->area[i].ysize =
1644                                                                 win->area[i].ysize * cur_screen->ysize / cur_screen->mode.yres;
1645                                                 }
1646                                         }
1647                                 }
1648                                 win->area[i].xact =
1649                                     reg_win_data->reg_area_data[i].xact;
1650                                 win->area[i].yact =
1651                                     reg_win_data->reg_area_data[i].yact;
1652                                 win->area[i].xvir =
1653                                     reg_win_data->reg_area_data[i].xvir;
1654                                 win->area[i].yvir =
1655                                     reg_win_data->reg_area_data[i].yvir;
1656                                 win->area[i].xoff =
1657                                     reg_win_data->reg_area_data[i].xoff;
1658                                 win->area[i].yoff =
1659                                     reg_win_data->reg_area_data[i].yoff;
1660                                 win->area[i].y_offset =
1661                                     reg_win_data->reg_area_data[i].y_offset;
1662                                 win->area[i].y_vir_stride =
1663                                     reg_win_data->reg_area_data[i].y_vir_stride;
1664                                 win->area[i].state = 1;
1665 #if defined(CONFIG_RK_IOMMU)
1666                                 if (dev_drv->iommu_enabled) {
1667                                         g_now_config_addr[win->id][i] =
1668                                                 win->area[i].smem_start +
1669                                                 win->area[i].y_offset;
1670                                         g_now_config_state[win->id][i] = 1;
1671                                 }
1672 #endif
1673                         } else {
1674                                 win->area[i].state = 0;
1675 #if defined(CONFIG_RK_IOMMU)
1676                                 if (dev_drv->iommu_enabled) {
1677                                         g_now_config_addr[win->id][i] = 0;
1678                                         g_now_config_state[win->id][i] = 0;
1679                                 }
1680 #endif
1681                         }
1682                 }
1683         }
1684 }
1685
1686 static struct rk_fb_reg_win_data *rk_fb_get_win_data(struct rk_fb_reg_data
1687                                                      *regs, int win_id)
1688 {
1689         int i;
1690         struct rk_fb_reg_win_data *win_data = NULL;
1691
1692         for (i = 0; i < regs->win_num; i++) {
1693                 if (regs->reg_win_data[i].win_id == win_id) {
1694                         win_data = &(regs->reg_win_data[i]);
1695                         break;
1696                 }
1697         }
1698
1699         return win_data;
1700 }
1701
1702 static int rk_fb_reg_effect(struct rk_lcdc_driver *dev_drv,
1703                               struct rk_fb_reg_data *regs,
1704                               int count)
1705 {
1706         int i, j, wait_for_vsync = false;
1707         unsigned int dsp_addr[5][4];
1708         int win_status = 0;
1709
1710         if (dev_drv->ops->get_dsp_addr)
1711                 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1712
1713         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1714                 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1715                         if ((j > 0) && (dev_drv->area_support[i] == 1))
1716                                 continue;
1717                         if (dev_drv->win[i]->area[j].state == 1) {
1718                                 u32 new_start =
1719                                         dev_drv->win[i]->area[j].smem_start +
1720                                         dev_drv->win[i]->area[j].y_offset;
1721                                 u32 reg_start = dsp_addr[i][j];
1722                                 if (unlikely(new_start != reg_start)) {
1723                                         wait_for_vsync = true;
1724                                         dev_info(dev_drv->dev,
1725                                                  "win%d:new_addr:0x%08x cur_addr:0x%08x--%d\n",
1726                                                  i, new_start, reg_start,
1727                                                  101 - count);
1728                                         break;
1729                                 }
1730                         } else if (dev_drv->win[i]->area[j].state == 0) {
1731                                 if (dev_drv->ops->get_win_state) {
1732                                         win_status =
1733                                         dev_drv->ops->get_win_state(dev_drv, i, j);
1734                                         if (win_status)
1735                                                 wait_for_vsync = true;
1736                                 }
1737                         } else {
1738                                 pr_err("!!!win[%d]state:%d,error!!!\n",
1739                                        i, dev_drv->win[i]->state);
1740                         }
1741                 }
1742         }
1743
1744         return wait_for_vsync;
1745 }
1746
1747 static int rk_fb_iommu_page_fault_dump(struct rk_lcdc_driver *dev_drv)
1748 {
1749         int i, j, state, page_fault = 0;
1750         unsigned int dsp_addr[5][4];
1751
1752         if (dev_drv->ops->extern_func) {
1753                 dev_drv->ops->extern_func(dev_drv, UNMASK_PAGE_FAULT);
1754                 page_fault = dev_drv->ops->extern_func(dev_drv, GET_PAGE_FAULT);
1755         }
1756         if (page_fault) {
1757                 pr_info("last config:\n");
1758                 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1759                         for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1760                                 if ((j > 0) && (dev_drv->area_support[i] == 1))
1761                                         continue;
1762                                 pr_info("win[%d]area[%d],state=%d,addr=0x%08x\n",
1763                                         i, j, g_last_state[i][j], g_last_addr[i][j]);
1764                         }
1765                 }
1766
1767                 pr_info("last freed buffer:\n");
1768                 for (i = 0; (freed_addr[i] != 0xfefefefe) && freed_addr[i]; i++)
1769                         pr_info("%d:0x%08x\n", i, freed_addr[i]);
1770
1771                 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1772                 pr_info("vop now state:\n");
1773                 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1774                         for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1775                                 if ((j > 0) && (dev_drv->area_support[i] == 1))
1776                                         continue;
1777                                 state = dev_drv->ops->get_win_state(dev_drv, i, j);
1778                                 pr_info("win[%d]area[%d],state=%d,addr=0x%08x\n",
1779                                         i, j, state, dsp_addr[i][j]);
1780                         }
1781                 }
1782                 pr_info("now config:\n");
1783                 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1784                         for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1785                                 if ((j > 0) && (dev_drv->area_support[i] == 1))
1786                                         continue;
1787                                 pr_info("win[%d]area[%d],state=%d,addr=0x%08x\n",
1788                                         i, j, g_now_config_state[i][j],
1789                                         g_now_config_addr[i][j]);
1790                         }
1791                 }
1792                 for (i = 0; i < DUMP_FRAME_NUM; i++)
1793                         rk_fb_config_debug(dev_drv, &dev_drv->tmp_win_cfg[i],
1794                                            &dev_drv->tmp_regs[i], 0);
1795         }
1796
1797         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1798                 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1799                         if ((j > 0) && (dev_drv->area_support[i] == 1))
1800                                 continue;
1801                         g_last_addr[i][j] = g_now_config_addr[i][j];
1802                         g_last_state[i][j] = g_now_config_state[i][j];
1803                 }
1804         }
1805
1806         return page_fault;
1807 }
1808 static void rk_fb_update_reg(struct rk_lcdc_driver *dev_drv,
1809                              struct rk_fb_reg_data *regs)
1810 {
1811         int i, j;
1812         struct rk_lcdc_win *win;
1813         ktime_t timestamp = dev_drv->vsync_info.timestamp;
1814         struct rk_fb_reg_win_data *win_data;
1815         bool wait_for_vsync;
1816         int count = 100;
1817         long timeout;
1818         int pagefault = 0;
1819         /* acq_fence wait */
1820         for (i = 0; i < regs->win_num; i++) {
1821                 win_data = &regs->reg_win_data[i];
1822                 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1823                         if (win_data->reg_area_data[j].acq_fence) {
1824                                 rk_fd_fence_wait(dev_drv, win_data->reg_area_data[j].acq_fence);
1825                         }
1826                 }
1827         }
1828
1829         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1830                 win = dev_drv->win[i];
1831                 win_data = rk_fb_get_win_data(regs, i);
1832                 if (win_data) {
1833                         mutex_lock(&dev_drv->win_config);
1834                         rk_fb_update_win(dev_drv, win, win_data);
1835                         win->state = 1;
1836                         dev_drv->ops->set_par(dev_drv, i);
1837                         dev_drv->ops->pan_display(dev_drv, i);
1838                         mutex_unlock(&dev_drv->win_config);
1839                 } else {
1840                         win->z_order = -1;
1841                         win->state = 0;
1842                         for (j = 0; j < 4; j++)
1843                                 win->area[j].state = 0;
1844 #if defined(CONFIG_RK_IOMMU)
1845                         if (dev_drv->iommu_enabled) {
1846                                 for (j = 0; j < 4; j++) {
1847                                         g_now_config_addr[i][j] = 0;
1848                                         g_now_config_state[i][j] = 0;
1849                                 }
1850                         }
1851 #endif
1852                 }
1853         }
1854         dev_drv->ops->ovl_mgr(dev_drv, 0, 1);
1855
1856         if (rk_fb_iommu_debug > 0)
1857                 pagefault = rk_fb_iommu_page_fault_dump(dev_drv);
1858
1859         if (pagefault == 0)
1860                 dev_drv->ops->cfg_done(dev_drv);
1861         else
1862                 sw_sync_timeline_inc(dev_drv->timeline, 1);
1863
1864         do {
1865                 timestamp = dev_drv->vsync_info.timestamp;
1866                 timeout = wait_event_interruptible_timeout(dev_drv->vsync_info.wait,
1867                                 ktime_compare(dev_drv->vsync_info.timestamp, timestamp) > 0,
1868                                 msecs_to_jiffies(50));
1869
1870                 wait_for_vsync = rk_fb_reg_effect(dev_drv, regs, count);
1871         } while (wait_for_vsync && count--);
1872 #ifdef H_USE_FENCE
1873         sw_sync_timeline_inc(dev_drv->timeline, 1);
1874 #endif
1875
1876         if (dev_drv->front_regs) {
1877 #if defined(CONFIG_RK_IOMMU)
1878                 if (dev_drv->iommu_enabled) {
1879                         if (dev_drv->ops->mmu_en)
1880                                 dev_drv->ops->mmu_en(dev_drv);
1881                         freed_index = 0;
1882                         g_last_timeout = timeout;
1883                 }
1884 #endif
1885
1886                 mutex_lock(&dev_drv->front_lock);
1887
1888                 for (i = 0; i < dev_drv->front_regs->win_num; i++) {
1889                         win_data = &dev_drv->front_regs->reg_win_data[i];
1890                         rk_fb_free_dma_buf(dev_drv, win_data);
1891                 }
1892                 kfree(dev_drv->front_regs);
1893
1894                 mutex_unlock(&dev_drv->front_lock);
1895
1896 #if defined(CONFIG_RK_IOMMU)
1897                 if (dev_drv->iommu_enabled)
1898                         freed_addr[freed_index] = 0xfefefefe;
1899 #endif
1900         }
1901
1902         mutex_lock(&dev_drv->front_lock);
1903
1904         dev_drv->front_regs = regs;
1905
1906         mutex_unlock(&dev_drv->front_lock);
1907
1908         trace_buffer_dump(&fb_pdev->dev, dev_drv);
1909 }
1910
1911 static void rk_fb_update_regs_handler(struct kthread_work *work)
1912 {
1913         struct rk_lcdc_driver *dev_drv =
1914             container_of(work, struct rk_lcdc_driver, update_regs_work);
1915         struct rk_fb_reg_data *data, *next;
1916
1917         mutex_lock(&dev_drv->update_regs_list_lock);
1918         dev_drv->saved_list = dev_drv->update_regs_list;
1919         list_replace_init(&dev_drv->update_regs_list, &dev_drv->saved_list);
1920         mutex_unlock(&dev_drv->update_regs_list_lock);
1921
1922         list_for_each_entry_safe(data, next, &dev_drv->saved_list, list) {
1923                 rk_fb_update_reg(dev_drv, data);
1924                 list_del(&data->list);
1925         }
1926
1927         if (dev_drv->wait_fs && list_empty(&dev_drv->update_regs_list))
1928                 wake_up(&dev_drv->update_regs_wait);
1929 }
1930
1931 static int rk_fb_check_config_var(struct rk_fb_area_par *area_par,
1932                                   struct rk_screen *screen)
1933 {
1934         if (area_par->phy_addr > 0)
1935                 pr_err("%s[%d], phy_addr = 0x%x\n",
1936                        __func__, __LINE__, area_par->phy_addr);
1937         if ((area_par->x_offset + area_par->xact > area_par->xvir) ||
1938             (area_par->xact <= 0) || (area_par->yact <= 0) ||
1939             (area_par->xvir <= 0) || (area_par->yvir <= 0)) {
1940                 pr_err("check config var fail 0:\n"
1941                        "x_offset=%d,xact=%d,xvir=%d\n",
1942                        area_par->x_offset, area_par->xact, area_par->xvir);
1943                 return -EINVAL;
1944         }
1945
1946         if ((area_par->xpos >= screen->mode.xres) ||
1947             (area_par->ypos >= screen->mode.yres) ||
1948             ((area_par->xsize <= 0) || (area_par->ysize <= 0))) {
1949                 pr_warn("check config var fail 1:\n"
1950                        "xpos=%d,xsize=%d,xres=%d\n"
1951                        "ypos=%d,ysize=%d,yres=%d\n",
1952                        area_par->xpos, area_par->xsize, screen->mode.xres,
1953                        area_par->ypos, area_par->ysize, screen->mode.yres);
1954                 return -EINVAL;
1955         }
1956         return 0;
1957 }
1958
1959 static int rk_fb_config_debug(struct rk_lcdc_driver *dev_drv,
1960                               struct rk_fb_win_cfg_data *win_data,
1961                               struct rk_fb_reg_data *regs, u32 cmd)
1962 {
1963         int i, j;
1964         struct rk_fb_win_par *win_par;
1965         struct rk_fb_area_par *area_par;
1966         struct rk_fb_reg_win_data *reg_win_data;
1967         struct rk_fb_reg_area_data *area_data;
1968
1969         rk_fb_dbg(cmd, "-------------frame start-------------\n");
1970         rk_fb_dbg(cmd, "user config:\n");
1971         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1972                 win_par = &(win_data->win_par[i]);
1973                 if ((win_par->area_par[0].ion_fd <= 0) &&
1974                     (win_par->area_par[0].phy_addr <= 0))
1975                         continue;
1976                 rk_fb_dbg(cmd, "win[%d]:z_order=%d,galhpa_v=%d\n",
1977                           win_par->win_id, win_par->z_order,
1978                           win_par->g_alpha_val);
1979                 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1980                         area_par = &(win_par->area_par[j]);
1981                         if (((j > 0) && (dev_drv->area_support[i] == 1)) ||
1982                             ((win_par->area_par[j].ion_fd <= 0) &&
1983                              (win_par->area_par[j].phy_addr <= 0)))
1984                                 continue;
1985                         rk_fb_dbg(cmd, " area[%d]:fmt=%d,ion_fd=%d,phy_add=0x%x,xoff=%d,yoff=%d\n",
1986                                   j, area_par->data_format, area_par->ion_fd,
1987                                   area_par->phy_addr, area_par->x_offset,
1988                                   area_par->y_offset);
1989                         rk_fb_dbg(cmd, "           xpos=%d,ypos=%d,xsize=%d,ysize=%d\n",
1990                                   area_par->xpos, area_par->ypos,
1991                                   area_par->xsize, area_par->ysize);
1992                         rk_fb_dbg(cmd, "           xact=%d,yact=%d,xvir=%d,yvir=%d\n",
1993                                   area_par->xact, area_par->yact,
1994                                   area_par->xvir, area_par->yvir);
1995                 }
1996         }
1997
1998         rk_fb_dbg(cmd, "regs data:\n");
1999         rk_fb_dbg(cmd, "win_num=%d,buf_num=%d\n",
2000                   regs->win_num, regs->buf_num);
2001         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
2002                 reg_win_data = &(regs->reg_win_data[i]);
2003                 if (reg_win_data->reg_area_data[0].smem_start <= 0)
2004                         continue;
2005                 rk_fb_dbg(cmd, "win[%d]:z_order=%d,area_num=%d,area_buf_num=%d\n",
2006                           reg_win_data->win_id, reg_win_data->z_order,
2007                           reg_win_data->area_num, reg_win_data->area_buf_num);
2008                 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
2009                         area_data = &(reg_win_data->reg_area_data[j]);
2010                         if (((j > 0) && (dev_drv->area_support[i] == 1)) ||
2011                             (area_data->smem_start <= 0))
2012                                 continue;
2013                         rk_fb_dbg(cmd, " area[%d]:fmt=%d,ion=%p,smem_star=0x%lx,cbr_star=0x%lx\n",
2014                                   j, area_data->data_format, area_data->ion_handle,
2015                                   area_data->smem_start, area_data->cbr_start);
2016                         rk_fb_dbg(cmd, "           yoff=0x%x,coff=0x%x,area_data->buff_len=%x\n",
2017                                   area_data->y_offset, area_data->c_offset, area_data->buff_len);
2018                         rk_fb_dbg(cmd, "           xpos=%d,ypos=%d,xsize=%d,ysize=%d\n",
2019                                   area_data->xpos, area_data->ypos,
2020                                   area_data->xsize, area_data->ysize);
2021                         rk_fb_dbg(cmd, "           xact=%d,yact=%d,xvir=%d,yvir=%d\n",
2022                                   area_data->xact, area_data->yact,
2023                                   area_data->xvir, area_data->yvir);
2024                 }
2025         }
2026         rk_fb_dbg(cmd, "-------------frame end---------------\n");
2027
2028         return 0;
2029 }
2030 static int rk_fb_config_backup(struct rk_lcdc_driver *dev_drv,
2031                                    struct rk_fb_win_cfg_data *win_cfg,
2032                                    struct rk_fb_reg_data *regs)
2033 {
2034         int i;
2035
2036         /*2->1->0: 0 is newest*/
2037         for (i = 0; i < DUMP_FRAME_NUM - 1; i++) {
2038                 memcpy(&dev_drv->tmp_win_cfg[DUMP_FRAME_NUM - 1 - i],
2039                        &dev_drv->tmp_win_cfg[DUMP_FRAME_NUM - 2 - i],
2040                        sizeof(struct rk_fb_win_cfg_data));
2041                 memcpy(&dev_drv->tmp_regs[DUMP_FRAME_NUM - 1 - i],
2042                        &dev_drv->tmp_regs[DUMP_FRAME_NUM - 2 - i],
2043                        sizeof(struct rk_fb_reg_data));
2044         }
2045
2046         memcpy(&dev_drv->tmp_win_cfg[0], win_cfg,
2047                sizeof(struct rk_fb_win_cfg_data));
2048         memcpy(&dev_drv->tmp_regs[0], regs,
2049                sizeof(struct rk_fb_reg_data));
2050
2051         return 0;
2052 }
2053 static int rk_fb_set_win_buffer(struct fb_info *info,
2054                                 struct rk_fb_win_par *win_par,
2055                                 struct rk_fb_reg_win_data *reg_win_data)
2056 {
2057         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2058         struct fb_fix_screeninfo *fix = &info->fix;
2059         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2060         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2061         /*if hdmi size move to hwc,screen should point to cur_screen
2062          *otherwise point to screen0[main screen]*/
2063         struct rk_screen *screen = dev_drv->cur_screen;/*screen0;*/
2064         struct fb_info *fbi;
2065         int i, ion_fd, acq_fence_fd;
2066         u32 xvir, yvir;
2067         u32 xoffset, yoffset;
2068
2069         struct ion_handle *hdl;
2070         size_t len;
2071         int index_buf;
2072         u8 fb_data_fmt;
2073         u8 pixel_width;
2074         u32 vir_width_bit;
2075         u32 stride, uv_stride;
2076         u32 stride_32bit_1;
2077         u32 stride_32bit_2;
2078         u16 uv_x_off, uv_y_off, uv_y_act;
2079         u8 is_pic_yuv = 0;
2080         u8 ppixel_a = 0, global_a = 0;
2081         ion_phys_addr_t phy_addr;
2082         int ret = 0;
2083         int buff_len;
2084
2085         reg_win_data->reg_area_data[0].smem_start = -1;
2086         reg_win_data->area_num = 0;
2087         fbi = rk_fb->fb[win_par->win_id + dev_drv->fb_index_base];
2088         if (win_par->area_par[0].phy_addr == 0) {
2089                 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
2090                         ion_fd = win_par->area_par[i].ion_fd;
2091                         if (ion_fd > 0) {
2092                                 hdl =
2093                                     ion_import_dma_buf(rk_fb->ion_client,
2094                                                        ion_fd);
2095                                 if (IS_ERR(hdl)) {
2096                                         pr_info("%s: Could not import handle:"
2097                                                 " %ld\n", __func__, (long)hdl);
2098                                         return -EINVAL;
2099                                         break;
2100                                 }
2101                                 reg_win_data->reg_area_data[i].ion_handle = hdl;
2102 #ifndef CONFIG_RK_IOMMU
2103                                 ret = ion_phys(rk_fb->ion_client, hdl, &phy_addr,
2104                                                &len);
2105 #else
2106                                 if (dev_drv->iommu_enabled)
2107                                         ret = ion_map_iommu(dev_drv->dev,
2108                                                             rk_fb->ion_client,
2109                                                             hdl,
2110                                                             (unsigned long *)&phy_addr,
2111                                                             (unsigned long *)&len);
2112                                 else
2113                                         ret = ion_phys(rk_fb->ion_client, hdl,
2114                                                        &phy_addr, &len);
2115 #endif
2116                                 if (ret < 0) {
2117                                         dev_err(fbi->dev, "ion map to get phy addr failed\n");
2118                                         ion_free(rk_fb->ion_client, hdl);
2119                                         return -ENOMEM;
2120                                 }
2121                                 reg_win_data->reg_area_data[i].smem_start = phy_addr;
2122                                 reg_win_data->area_num++;
2123                                 reg_win_data->area_buf_num++;
2124                                 reg_win_data->reg_area_data[i].index_buf = 1;
2125                                 reg_win_data->reg_area_data[i].buff_len = len;
2126                         }
2127                 }
2128         } else {
2129                 reg_win_data->reg_area_data[0].smem_start =
2130                     win_par->area_par[0].phy_addr;
2131                 reg_win_data->area_num = 1;
2132                 reg_win_data->area_buf_num++;
2133                 fbi->screen_base = phys_to_virt(win_par->area_par[0].phy_addr);
2134         }
2135
2136         if (reg_win_data->area_num == 0) {
2137                 for (i = 0; i < RK_WIN_MAX_AREA; i++)
2138                         reg_win_data->reg_area_data[i].smem_start = 0;
2139                 reg_win_data->z_order = -1;
2140                 reg_win_data->win_id = -1;
2141                 return 0;
2142         }
2143
2144         for (i = 0; i < reg_win_data->area_num; i++) {
2145                 acq_fence_fd = win_par->area_par[i].acq_fence_fd;
2146                 index_buf = reg_win_data->reg_area_data[i].index_buf;
2147                 if ((acq_fence_fd > 0) && (index_buf == 1)) {
2148                         reg_win_data->reg_area_data[i].acq_fence =
2149                             sync_fence_fdget(win_par->area_par[i].acq_fence_fd);
2150                 }
2151         }
2152         if (reg_win_data->reg_area_data[0].smem_start > 0) {
2153                 reg_win_data->z_order = win_par->z_order;
2154                 reg_win_data->win_id = win_par->win_id;
2155         } else {
2156                 reg_win_data->z_order = -1;
2157                 reg_win_data->win_id = -1;
2158         }
2159
2160         reg_win_data->mirror_en = win_par->mirror_en;
2161         for (i = 0; i < reg_win_data->area_num; i++) {
2162                 u8 data_format = win_par->area_par[i].data_format;
2163                 /*rk_fb_check_config_var(&win_par->area_par[i], screen);*/
2164                 reg_win_data->colorspace = CSC_FORMAT(data_format);
2165                 data_format &= ~CSC_MASK;
2166                 fb_data_fmt = rk_fb_data_fmt(data_format, 0);
2167                 reg_win_data->reg_area_data[i].data_format = fb_data_fmt;
2168                 if (IS_FBDC_FMT(fb_data_fmt)) {
2169                         reg_win_data->reg_area_data[i].fbdc_en = 1;
2170                         reg_win_data->reg_area_data[i].fbdc_cor_en = 1;
2171                 } else {
2172                         reg_win_data->reg_area_data[i].fbdc_en = 0;
2173                         reg_win_data->reg_area_data[i].fbdc_cor_en = 0;
2174                 }
2175                 pixel_width = rk_fb_pixel_width(fb_data_fmt);
2176
2177                 ppixel_a |= ((fb_data_fmt == ARGB888) ||
2178                              (fb_data_fmt == FBDC_ARGB_888) ||
2179                              (fb_data_fmt == FBDC_ABGR_888) ||
2180                              (fb_data_fmt == ABGR888)) ? 1 : 0;
2181                 /*act_height should be 2 pix align for interlace output*/
2182                 if (win_par->area_par[i].yact % 2 == 1) {
2183                         win_par->area_par[i].yact  -= 1;
2184                         win_par->area_par[i].ysize -= 1;
2185                 }
2186
2187                 /* buf offset should be 2 pix align*/
2188                 if ((win_par->area_par[i].x_offset % 2 == 1) &&
2189                     IS_YUV_FMT(fb_data_fmt)) {
2190                         win_par->area_par[i].x_offset += 1;
2191                         win_par->area_par[i].xact -= 1;
2192                 }
2193
2194                 /* visiable pos in panel */
2195                 reg_win_data->reg_area_data[i].xpos = win_par->area_par[i].xpos;
2196                 reg_win_data->reg_area_data[i].ypos = win_par->area_par[i].ypos;
2197
2198                 /* realy size in panel */
2199                 reg_win_data->reg_area_data[i].xsize = win_par->area_par[i].xsize;
2200                 reg_win_data->reg_area_data[i].ysize = win_par->area_par[i].ysize;
2201
2202                 /* realy size in panel */
2203                 reg_win_data->reg_area_data[i].xact = win_par->area_par[i].xact;
2204                 reg_win_data->reg_area_data[i].yact = win_par->area_par[i].yact;
2205
2206                 xoffset = win_par->area_par[i].x_offset;        /* buf offset */
2207                 yoffset = win_par->area_par[i].y_offset;
2208                 reg_win_data->reg_area_data[i].xoff = xoffset;
2209                 reg_win_data->reg_area_data[i].yoff = yoffset;
2210
2211                 xvir = win_par->area_par[i].xvir;
2212                 reg_win_data->reg_area_data[i].xvir = xvir;
2213                 yvir = win_par->area_par[i].yvir;
2214                 reg_win_data->reg_area_data[i].yvir = yvir;
2215
2216                 vir_width_bit = pixel_width * xvir;
2217                 /* pixel_width = byte_num*8 */
2218                 stride_32bit_1 = ((vir_width_bit + 31) & (~31)) / 8;
2219                 stride_32bit_2 = ((vir_width_bit * 2 + 31) & (~31)) / 8;
2220
2221                 stride = stride_32bit_1;        /* default rgb */
2222                 fix->line_length = stride;
2223                 reg_win_data->reg_area_data[i].y_vir_stride = stride >> 2;
2224
2225                 /* x y mirror ,jump line
2226                  * reg_win_data->reg_area_data[i].y_offset =
2227                  *              yoffset*stride+xoffset*pixel_width/8;
2228                  */
2229                 if ((screen->y_mirror == 1) || (reg_win_data->mirror_en)) {
2230                         if (screen->interlace == 1) {
2231                                 reg_win_data->reg_area_data[i].y_offset =
2232                                     yoffset * stride * 2 +
2233                                     ((reg_win_data->reg_area_data[i].yact - 1) * 2 + 1) * stride +
2234                                     xoffset * pixel_width / 8;
2235                         } else {
2236                                 reg_win_data->reg_area_data[i].y_offset =
2237                                     yoffset * stride +
2238                                     (reg_win_data->reg_area_data[i].yact - 1) * stride +
2239                                     xoffset * pixel_width / 8;
2240                         }
2241                 } else {
2242                         if (screen->interlace == 1) {
2243                                 reg_win_data->reg_area_data[i].y_offset =
2244                                     yoffset * stride * 2 +
2245                                     xoffset * pixel_width / 8;
2246                         } else {
2247                                 reg_win_data->reg_area_data[i].y_offset =
2248                                     yoffset * stride +
2249                                     xoffset * pixel_width / 8;
2250                         }
2251                 }
2252                 if (IS_RGB_FMT(fb_data_fmt) && dev_drv->iommu_enabled) {
2253                         buff_len = reg_win_data->reg_area_data[i].y_offset +
2254                                 reg_win_data->reg_area_data[i].xvir *
2255                                 reg_win_data->reg_area_data[i].yact *
2256                                 pixel_width / 8 -
2257                                 reg_win_data->reg_area_data[i].xoff*
2258                                 pixel_width / 8;
2259                         if (buff_len > reg_win_data->reg_area_data[i].buff_len)
2260                                 pr_err("\n!!!!!!error: fmt=%d,xvir[%d]*"
2261                                        "yact[%d]*bpp[%d]"
2262                                        "=buff_len[0x%x]>>mmu len=0x%x\n",
2263                                        fb_data_fmt,
2264                                        reg_win_data->reg_area_data[i].xvir,
2265                                        reg_win_data->reg_area_data[i].yact,
2266                                        pixel_width, buff_len,
2267                                        reg_win_data->reg_area_data[i].buff_len);
2268                 }
2269         }
2270
2271         global_a = (win_par->g_alpha_val == 0) ? 0 : 1;
2272         reg_win_data->alpha_en = ppixel_a | global_a;
2273         reg_win_data->g_alpha_val = win_par->g_alpha_val;
2274         reg_win_data->alpha_mode = win_par->alpha_mode;
2275
2276         switch (fb_data_fmt) {
2277         case YUV422:
2278         case YUV422_A:
2279                 is_pic_yuv = 1;
2280                 stride = stride_32bit_1;
2281                 uv_stride = stride_32bit_1;
2282                 uv_x_off = xoffset;
2283                 uv_y_off = yoffset;
2284                 fix->line_length = stride;
2285                 uv_y_act = win_par->area_par[0].yact >> 1;
2286                 break;
2287         case YUV420:            /* nv12 */
2288         case YUV420_NV21:       /* nv21 */
2289         case YUV420_A:
2290                 is_pic_yuv = 1;
2291                 stride = stride_32bit_1;
2292                 uv_stride = stride_32bit_1;
2293                 uv_x_off = xoffset;
2294                 uv_y_off = yoffset >> 1;
2295                 fix->line_length = stride;
2296                 uv_y_act = win_par->area_par[0].yact >> 1;
2297                 break;
2298         case YUV444:
2299         case YUV444_A:
2300                 is_pic_yuv = 1;
2301                 stride = stride_32bit_1;
2302                 uv_stride = stride_32bit_2;
2303                 uv_x_off = xoffset * 2;
2304                 uv_y_off = yoffset;
2305                 fix->line_length = stride << 2;
2306                 uv_y_act = win_par->area_par[0].yact;
2307                 break;
2308         default:
2309                 break;
2310         }
2311         if (is_pic_yuv == 1) {
2312                 reg_win_data->reg_area_data[0].cbr_start =
2313                     reg_win_data->reg_area_data[0].smem_start + xvir * yvir;
2314                 reg_win_data->reg_area_data[0].uv_vir_stride = uv_stride >> 2;
2315                 if ((screen->y_mirror == 1) || (reg_win_data->mirror_en)) {
2316                         if (screen->interlace == 1) {
2317                                 reg_win_data->reg_area_data[0].c_offset =
2318                                     uv_y_off * uv_stride * 2 +
2319                                     ((uv_y_act - 1) * 2 + 1) * uv_stride +
2320                                     uv_x_off * pixel_width / 8;
2321                         } else {
2322                                 reg_win_data->reg_area_data[0].c_offset =
2323                                     uv_y_off * uv_stride +
2324                                     (uv_y_act - 1) * uv_stride +
2325                                     uv_x_off * pixel_width / 8;
2326                         }
2327                 } else {
2328                         if (screen->interlace == 1) {
2329                                 reg_win_data->reg_area_data[0].c_offset =
2330                                     uv_y_off * uv_stride * 2 +
2331                                     uv_x_off * pixel_width / 8;
2332                         } else {
2333                                 reg_win_data->reg_area_data[0].c_offset =
2334                                     uv_y_off * uv_stride +
2335                                     uv_x_off * pixel_width / 8;
2336                         }
2337                 }
2338                 buff_len = reg_win_data->reg_area_data[0].cbr_start +
2339                         reg_win_data->reg_area_data[0].c_offset +
2340                         reg_win_data->reg_area_data[0].xvir *
2341                         reg_win_data->reg_area_data[0].yact *
2342                         pixel_width / 16 -
2343                         reg_win_data->reg_area_data[0].smem_start -
2344                         reg_win_data->reg_area_data[0].xoff*
2345                         pixel_width / 16;
2346                 if ((buff_len > reg_win_data->reg_area_data[0].buff_len) &&
2347                         dev_drv->iommu_enabled)
2348                         pr_err("\n!!!!!!error: fmt=%d,xvir[%d]*"
2349                                "yact[%d]*bpp[%d]"
2350                                "=buff_len[0x%x]>>mmu len=0x%x\n",
2351                                fb_data_fmt,
2352                                reg_win_data->reg_area_data[0].xvir,
2353                                reg_win_data->reg_area_data[0].yact,
2354                                pixel_width, buff_len,
2355                                reg_win_data->reg_area_data[0].buff_len);
2356         }
2357
2358         /* record buffer information for rk_fb_disp_scale to prevent fence
2359          * timeout because rk_fb_disp_scale will call function
2360          * info->fbops->fb_set_par(info);
2361          * delete by hjc for new hdmi overscan framework.
2362          */
2363         /* info->var.yoffset = yoffset;
2364          * info->var.xoffset = xoffset;
2365          */
2366         return 0;
2367 }
2368
2369 static int rk_fb_set_win_config(struct fb_info *info,
2370                                 struct rk_fb_win_cfg_data *win_data)
2371 {
2372         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2373         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2374         struct rk_fb_reg_data *regs;
2375 #ifdef H_USE_FENCE
2376         struct sync_fence *release_fence[RK_MAX_BUF_NUM];
2377         struct sync_fence *retire_fence;
2378         struct sync_pt *release_sync_pt[RK_MAX_BUF_NUM];
2379         struct sync_pt *retire_sync_pt;
2380         char fence_name[20];
2381 #endif
2382         int ret = 0, i, j = 0;
2383         int list_is_empty = 0;
2384         struct rk_screen *screen = dev_drv->cur_screen;
2385
2386         mutex_lock(&dev_drv->output_lock);
2387
2388         for (i = 0; i < 4; i++) {
2389                 for (j = 0; j < 4; j++) {
2390                         if ((win_data->win_par[i].area_par[j].ion_fd > 0) ||
2391                             (win_data->win_par[i].area_par[j].phy_addr > 0))
2392                                 ret += rk_fb_check_config_var(
2393                                         &win_data->win_par[i].area_par[j],
2394                                         screen);
2395                 }
2396         }
2397         if ((dev_drv->suspend_flag) || (dev_drv->hdmi_switch) || (ret < 0)) {
2398                 dev_drv->timeline_max++;
2399                 sw_sync_timeline_inc(dev_drv->timeline, 1);
2400                 if (dev_drv->suspend_flag)
2401                         pr_err("suspend_flag=%d\n", dev_drv->suspend_flag);
2402                 else if (dev_drv->hdmi_switch)
2403                         pr_err("hdmi switch = %d\n", dev_drv->hdmi_switch);
2404                 else
2405                         pr_err("error config ,ignore\n");
2406                 for (j = 0; j < RK_MAX_BUF_NUM; j++)
2407                         win_data->rel_fence_fd[j] = -1;
2408                 win_data->ret_fence_fd = -1;
2409                 goto err;
2410         }
2411
2412         regs = kzalloc(sizeof(struct rk_fb_reg_data), GFP_KERNEL);
2413         if (!regs) {
2414                 pr_info("could not allocate rk_fb_reg_data\n");
2415                 ret = -ENOMEM;
2416                 goto err;
2417         }
2418
2419         for (i = 0, j = 0; i < dev_drv->lcdc_win_num; i++) {
2420                 if (win_data->win_par[i].win_id < dev_drv->lcdc_win_num) {
2421                         if (rk_fb_set_win_buffer(info, &win_data->win_par[i],
2422                                                  &regs->reg_win_data[j])) {
2423                                 ret = -ENOMEM;
2424                                 pr_info("error:%s[%d]\n", __func__, __LINE__);
2425                                 goto err2;
2426                         }
2427                         if (regs->reg_win_data[j].area_num > 0) {
2428                                 regs->win_num++;
2429                                 regs->buf_num +=
2430                                     regs->reg_win_data[j].area_buf_num;
2431                         }
2432                         j++;
2433                 } else {
2434                         pr_info("error:win_id bigger than lcdc_win_num\n");
2435                         pr_info("i=%d,win_id=%d\n", i,
2436                                win_data->win_par[i].win_id);
2437                 }
2438         }
2439
2440         if (regs->win_num <= 0)
2441                 goto err_null_frame;
2442
2443         dev_drv->timeline_max++;
2444 #ifdef H_USE_FENCE
2445         win_data->ret_fence_fd = get_unused_fd_flags(0);
2446         if (win_data->ret_fence_fd < 0) {
2447                 pr_err("ret_fence_fd=%d\n", win_data->ret_fence_fd);
2448                 win_data->ret_fence_fd = -1;
2449                 ret = -EFAULT;
2450                 goto err2;
2451         }
2452         for (i = 0; i < RK_MAX_BUF_NUM; i++) {
2453                 if (i < regs->buf_num) {
2454                         sprintf(fence_name, "fence%d", i);
2455                         win_data->rel_fence_fd[i] = get_unused_fd_flags(0);
2456                         if (win_data->rel_fence_fd[i] < 0) {
2457                                 pr_info("rel_fence_fd=%d\n",
2458                                        win_data->rel_fence_fd[i]);
2459                                 ret = -EFAULT;
2460                                 goto err2;
2461                         }
2462                         release_sync_pt[i] =
2463                             sw_sync_pt_create(dev_drv->timeline,
2464                                               dev_drv->timeline_max);
2465                         release_fence[i] =
2466                             sync_fence_create(fence_name, release_sync_pt[i]);
2467                         sync_fence_install(release_fence[i],
2468                                            win_data->rel_fence_fd[i]);
2469                 } else {
2470                         win_data->rel_fence_fd[i] = -1;
2471                 }
2472         }
2473
2474         retire_sync_pt =
2475             sw_sync_pt_create(dev_drv->timeline, dev_drv->timeline_max);
2476         retire_fence = sync_fence_create("ret_fence", retire_sync_pt);
2477         sync_fence_install(retire_fence, win_data->ret_fence_fd);
2478 #else
2479         for (i = 0; i < RK_MAX_BUF_NUM; i++)
2480                 win_data->rel_fence_fd[i] = -1;
2481
2482         win_data->ret_fence_fd = -1;
2483 #endif
2484         if (dev_drv->wait_fs == 0) {
2485                 mutex_lock(&dev_drv->update_regs_list_lock);
2486                 list_add_tail(&regs->list, &dev_drv->update_regs_list);
2487                 mutex_unlock(&dev_drv->update_regs_list_lock);
2488                 queue_kthread_work(&dev_drv->update_regs_worker,
2489                                    &dev_drv->update_regs_work);
2490         } else {
2491                 mutex_lock(&dev_drv->update_regs_list_lock);
2492                 list_is_empty = list_empty(&dev_drv->update_regs_list) &&
2493                                         list_empty(&dev_drv->saved_list);
2494                 mutex_unlock(&dev_drv->update_regs_list_lock);
2495                 if (!list_is_empty) {
2496                         ret = wait_event_timeout(dev_drv->update_regs_wait,
2497                                 list_empty(&dev_drv->update_regs_list) && list_empty(&dev_drv->saved_list),
2498                                 msecs_to_jiffies(60));
2499                         if (ret > 0)
2500                                 rk_fb_update_reg(dev_drv, regs);
2501                         else
2502                                 pr_info("%s: wait update_regs_wait timeout\n", __func__);
2503                 } else if (ret == 0) {
2504                         rk_fb_update_reg(dev_drv, regs);
2505                 }
2506         }
2507         if (rk_fb_debug_lvl > 0)
2508                 rk_fb_config_debug(dev_drv, win_data, regs, rk_fb_debug_lvl);
2509         if (rk_fb_iommu_debug > 0)
2510                 rk_fb_config_backup(dev_drv, win_data, regs);
2511 err:
2512         mutex_unlock(&dev_drv->output_lock);
2513         return ret;
2514 err_null_frame:
2515         for (j = 0; j < RK_MAX_BUF_NUM; j++)
2516                 win_data->rel_fence_fd[j] = -1;
2517         win_data->ret_fence_fd = -1;
2518         pr_info("win num = %d,null frame\n", regs->win_num);
2519 err2:
2520         kfree(regs);
2521         mutex_unlock(&dev_drv->output_lock);
2522
2523         return ret;
2524 }
2525
2526 #if 1
2527 static int cfgdone_distlist[10] = { 0 };
2528
2529 static int cfgdone_index;
2530 static int cfgdone_lasttime;
2531
2532 int rk_get_real_fps(int before)
2533 {
2534         struct timespec now;
2535         int dist_curr;
2536         int dist_total = 0;
2537         int dist_count = 0;
2538         int dist_first = 0;
2539
2540         int index = cfgdone_index;
2541         int i = 0, fps = 0;
2542         int total;
2543
2544         if (before > 100)
2545                 before = 100;
2546         if (before < 0)
2547                 before = 0;
2548
2549         getnstimeofday(&now);
2550         dist_curr = (now.tv_sec * 1000000 + now.tv_nsec / 1000) -
2551                         cfgdone_lasttime;
2552         total = dist_curr;
2553         for (i = 0; i < 10; i++) {
2554                 if (--index < 0)
2555                         index = 9;
2556                 total += cfgdone_distlist[index];
2557                 if (i == 0)
2558                         dist_first = cfgdone_distlist[index];
2559                 if (total < (before * 1000)) {
2560                         dist_total += cfgdone_distlist[index];
2561                         dist_count++;
2562                 } else {
2563                         break;
2564                 }
2565         }
2566
2567         dist_curr = (dist_curr > dist_first) ? dist_curr : dist_first;
2568         dist_total += dist_curr;
2569         dist_count++;
2570
2571         if (dist_total > 0)
2572                 fps = (1000000 * dist_count) / dist_total;
2573         else
2574                 fps = 60;
2575
2576         return fps;
2577 }
2578 EXPORT_SYMBOL(rk_get_real_fps);
2579
2580 #endif
2581 #ifdef CONFIG_RK_IOMMU
2582 #define ION_MAX 10
2583 static struct ion_handle *ion_hanle[ION_MAX];
2584 static struct ion_handle *ion_hwc[1];
2585 #endif
2586 static int rk_fb_ioctl(struct fb_info *info, unsigned int cmd,
2587                        unsigned long arg)
2588 {
2589         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2590         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2591         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2592         struct fb_fix_screeninfo *fix = &info->fix;
2593         struct rk_lcdc_win *win;
2594         int enable;     /* enable fb:1 enable;0 disable */
2595         int ovl;        /* overlay:0 win1 on the top of win0;1,win0 on the top of win1 */
2596         int num_buf;    /* buffer_number */
2597         int ret = 0;
2598         struct rk_fb_win_cfg_data win_data;
2599         unsigned int dsp_addr[4][4];
2600         int list_stat;
2601
2602         int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2603         void __user *argp = (void __user *)arg;
2604
2605         win = dev_drv->win[win_id];
2606         switch (cmd) {
2607         case RK_FBIOSET_HWC_ADDR:
2608         {
2609                 u32 hwc_phy[1];
2610
2611                 if (copy_from_user(hwc_phy, argp, 4))
2612                         return -EFAULT;
2613 #ifdef CONFIG_RK_IOMMU
2614                 if (!dev_drv->iommu_enabled) {
2615 #endif
2616                         fix->smem_start = hwc_phy[0];
2617 #ifdef CONFIG_RK_IOMMU
2618                 } else {
2619                         int usr_fd;
2620                         struct ion_handle *hdl;
2621                         ion_phys_addr_t phy_addr;
2622                         size_t len;
2623
2624                         usr_fd = hwc_phy[0];
2625                         if (!usr_fd) {
2626                                 fix->smem_start = 0;
2627                                 fix->mmio_start = 0;
2628                                 dev_drv->ops->open(dev_drv, win_id, 0);
2629                                 break;
2630                         }
2631
2632                         if (ion_hwc[0] != 0) {
2633                                 ion_free(rk_fb->ion_client, ion_hwc[0]);
2634                                 ion_hwc[0] = 0;
2635                         }
2636
2637                         hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2638                         if (IS_ERR(hdl)) {
2639                                 dev_err(info->dev, "failed to get hwc ion handle:%ld\n",
2640                                         PTR_ERR(hdl));
2641                                 return -EFAULT;
2642                         }
2643
2644                         ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2645                                                 (unsigned long *)&phy_addr,
2646                                                 (unsigned long *)&len);
2647                         if (ret < 0) {
2648                                 dev_err(info->dev, "ion map to get hwc phy addr failed");
2649                                 ion_free(rk_fb->ion_client, hdl);
2650                                 return -ENOMEM;
2651                         }
2652                         fix->smem_start = phy_addr;
2653                         ion_hwc[0] = hdl;
2654                 }
2655 #endif
2656                 break;
2657         }
2658         case RK_FBIOSET_YUV_ADDR:
2659                 {
2660                         u32 yuv_phy[2];
2661
2662                         if (copy_from_user(yuv_phy, argp, 8))
2663                                 return -EFAULT;
2664                         #ifdef CONFIG_RK_IOMMU
2665                         if (!dev_drv->iommu_enabled || !strcmp(info->fix.id, "fb0")) {
2666                         #endif
2667                                 fix->smem_start = yuv_phy[0];
2668                                 fix->mmio_start = yuv_phy[1];
2669                         #ifdef CONFIG_RK_IOMMU
2670                         } else {
2671                                 int usr_fd, offset, tmp;
2672                                 struct ion_handle *hdl;
2673                                 ion_phys_addr_t phy_addr;
2674                                 size_t len;
2675
2676                                 usr_fd = yuv_phy[0];
2677                                 offset = yuv_phy[1] - yuv_phy[0];
2678                                 if (!usr_fd) {
2679                                         fix->smem_start = 0;
2680                                         fix->mmio_start = 0;
2681                                         break;
2682                                 }
2683
2684                                 if (ion_hanle[ION_MAX - 1] != 0) {
2685                                         /*ion_unmap_kernel(rk_fb->ion_client,
2686                                          *      ion_hanle[ION_MAX - 1]);
2687                                          *ion_unmap_iommu(dev_drv->dev,
2688                                          *      rk_fb->ion_client,
2689                                          *      ion_hanle[ION_MAX - 1]);
2690                                          */
2691                                         ion_free(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);
2692                                         ion_hanle[ION_MAX - 1] = 0;
2693                                 }
2694
2695                                 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2696                                 if (IS_ERR(hdl)) {
2697                                         dev_err(info->dev, "failed to get ion handle:%ld\n",
2698                                                 PTR_ERR(hdl));
2699                                         return -EFAULT;
2700                                 }
2701
2702                                 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2703                                                     (unsigned long *)&phy_addr,
2704                                                     (unsigned long *)&len);
2705                                 if (ret < 0) {
2706                                         dev_err(info->dev, "ion map to get phy addr failed");
2707                                         ion_free(rk_fb->ion_client, hdl);
2708                                         return -ENOMEM;
2709                                 }
2710                                 fix->smem_start = phy_addr;
2711                                 fix->mmio_start = phy_addr + offset;
2712                                 fix->smem_len = len;
2713                                 /*info->screen_base =
2714                                  *      ion_map_kernel(rk_fb->ion_client, hdl);
2715                                  */
2716                                 ion_hanle[0] = hdl;
2717                                 for (tmp = ION_MAX - 1; tmp > 0; tmp--)
2718                                         ion_hanle[tmp] = ion_hanle[tmp - 1];
2719                                 ion_hanle[0] = 0;
2720                         }
2721                         #endif
2722                         break;
2723                 }
2724         case RK_FBIOSET_ENABLE:
2725                 if (copy_from_user(&enable, argp, sizeof(enable)))
2726                         return -EFAULT;
2727                                 if (enable && fb_par->state)
2728                                         fb_par->state++;
2729                                 else
2730                                         fb_par->state--;
2731                 dev_drv->ops->open(dev_drv, win_id, enable);
2732                 break;
2733         case RK_FBIOGET_ENABLE:
2734                 enable = dev_drv->ops->get_win_state(dev_drv, win_id, 0);
2735                 if (copy_to_user(argp, &enable, sizeof(enable)))
2736                         return -EFAULT;
2737                 break;
2738         case RK_FBIOSET_OVERLAY_STA:
2739                 if (copy_from_user(&ovl, argp, sizeof(ovl)))
2740                         return -EFAULT;
2741                 dev_drv->ops->ovl_mgr(dev_drv, ovl, 1);
2742                 break;
2743         case RK_FBIOGET_OVERLAY_STA:
2744                 ovl = dev_drv->ops->ovl_mgr(dev_drv, 0, 0);
2745                 if (copy_to_user(argp, &ovl, sizeof(ovl)))
2746                         return -EFAULT;
2747                 break;
2748         case RK_FBIOPUT_NUM_BUFFERS:
2749                 if (copy_from_user(&num_buf, argp, sizeof(num_buf)))
2750                         return -EFAULT;
2751                 dev_drv->num_buf = num_buf;
2752                 break;
2753         case RK_FBIOSET_VSYNC_ENABLE:
2754                 if (copy_from_user(&enable, argp, sizeof(enable)))
2755                         return -EFAULT;
2756                 dev_drv->vsync_info.active = enable;
2757                 break;
2758
2759         case RK_FBIOGET_DSP_ADDR:
2760                 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
2761                 if (copy_to_user(argp, &dsp_addr, sizeof(dsp_addr)))
2762                         return -EFAULT;
2763                 break;
2764         case RK_FBIOGET_LIST_STA:
2765                 list_stat = rk_fb_get_list_stat(dev_drv);
2766                 if (copy_to_user(argp, &list_stat, sizeof(list_stat)))
2767                         return -EFAULT;
2768
2769                 break;
2770         case RK_FBIOGET_IOMMU_STA:
2771                 if (copy_to_user(argp, &dev_drv->iommu_enabled,
2772                                  sizeof(dev_drv->iommu_enabled)))
2773                         return -EFAULT;
2774                 break;
2775 #if defined(CONFIG_ION_ROCKCHIP)
2776         case RK_FBIOSET_DMABUF_FD:
2777                 {
2778                         int usr_fd;
2779                         struct ion_handle *hdl;
2780                         ion_phys_addr_t phy_addr;
2781                         size_t len;
2782                         if (copy_from_user(&usr_fd, argp, sizeof(usr_fd)))
2783                                 return -EFAULT;
2784
2785                         hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2786                         ion_phys(rk_fb->ion_client, hdl, &phy_addr, &len);
2787                         fix->smem_start = phy_addr;
2788                         break;
2789                 }
2790         case RK_FBIOGET_DMABUF_FD:
2791                 {
2792                         int fd = -1;
2793
2794                         if (IS_ERR_OR_NULL(fb_par->ion_hdl)) {
2795                                 dev_err(info->dev,
2796                                         "get dma_buf fd failed,ion handle is err\n");
2797                                 return PTR_ERR(fb_par->ion_hdl);
2798                         }
2799                         fd = ion_share_dma_buf_fd(rk_fb->ion_client,
2800                                                   fb_par->ion_hdl);
2801                         if (fd < 0) {
2802                                 dev_err(info->dev,
2803                                         "ion_share_dma_buf_fd failed\n");
2804                                 return fd;
2805                         }
2806                         if (copy_to_user(argp, &fd, sizeof(fd)))
2807                                 return -EFAULT;
2808                         break;
2809                 }
2810 #endif
2811         case RK_FBIOSET_CLEAR_FB:
2812                 memset(fb_par->fb_virt_base, 0, fb_par->fb_size);
2813                 break;
2814         case RK_FBIOSET_CONFIG_DONE:
2815                 {
2816                         int curr = 0;
2817                         struct timespec now;
2818
2819                         getnstimeofday(&now);
2820                         curr = now.tv_sec * 1000000 + now.tv_nsec / 1000;
2821                         cfgdone_distlist[cfgdone_index++] =
2822                                 curr - cfgdone_lasttime;
2823                         cfgdone_lasttime = curr;
2824                         if (cfgdone_index >= 10)
2825                                 cfgdone_index = 0;
2826                 }
2827                 if (copy_from_user(&win_data,
2828                                    (struct rk_fb_win_cfg_data __user *)argp,
2829                                    sizeof(win_data))) {
2830                         ret = -EFAULT;
2831                         break;
2832                 };
2833
2834                 dev_drv->wait_fs = win_data.wait_fs;
2835                 ret = rk_fb_set_win_config(info, &win_data);
2836
2837                 if (copy_to_user((struct rk_fb_win_cfg_data __user *)arg,
2838                                  &win_data, sizeof(win_data))) {
2839                         ret = -EFAULT;
2840                         break;
2841                 }
2842                 memset(&win_data, 0, sizeof(struct rk_fb_win_cfg_data));
2843
2844                 if (dev_drv->uboot_logo)
2845                         dev_drv->uboot_logo = 0;
2846
2847                 break;
2848         default:
2849                 dev_drv->ops->ioctl(dev_drv, cmd, arg, win_id);
2850                 break;
2851         }
2852
2853         return ret;
2854 }
2855
2856 static int rk_fb_blank(int blank_mode, struct fb_info *info)
2857 {
2858         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2859         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2860         struct fb_fix_screeninfo *fix = &info->fix;
2861         int win_id;
2862 #if defined(CONFIG_RK_HDMI)
2863         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2864 #endif
2865
2866         win_id = dev_drv->ops->fb_get_win_id(dev_drv, fix->id);
2867         if (win_id < 0)
2868                 return -ENODEV;
2869         mutex_lock(&dev_drv->switch_screen);
2870 #if defined(CONFIG_RK_HDMI)
2871         if ((rk_fb->disp_mode == ONE_DUAL) &&
2872             (hdmi_get_hotplug() == HDMI_HPD_ACTIVED)) {
2873                 pr_info("hdmi is connect , not blank lcdc\n");
2874         } else
2875 #endif
2876         {
2877                 dev_drv->ops->blank(dev_drv, win_id, blank_mode);
2878         }
2879         mutex_unlock(&dev_drv->switch_screen);
2880         return 0;
2881 }
2882
2883 static int rk_fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
2884 {
2885         if ((0 == var->xres_virtual) || (0 == var->yres_virtual) ||
2886             (0 == var->xres) || (0 == var->yres) || (var->xres < 16) ||
2887             ((16 != var->bits_per_pixel) &&
2888             (32 != var->bits_per_pixel) &&
2889             (24 != var->bits_per_pixel))) {
2890                 dev_err(info->dev, "%s check var fail 1:\n"
2891                         "xres_vir:%d>>yres_vir:%d\n"
2892                         "xres:%d>>yres:%d\n"
2893                         "bits_per_pixel:%d\n",
2894                         info->fix.id,
2895                         var->xres_virtual,
2896                         var->yres_virtual,
2897                         var->xres, var->yres, var->bits_per_pixel);
2898                 return -EINVAL;
2899         }
2900
2901         if (((var->xoffset + var->xres) > var->xres_virtual) ||
2902             ((var->yoffset + var->yres) > (var->yres_virtual))) {
2903                 dev_err(info->dev, "%s check_var fail 2:\n"
2904                         "xoffset:%d>>xres:%d>>xres_vir:%d\n"
2905                         "yoffset:%d>>yres:%d>>yres_vir:%d\n",
2906                         info->fix.id,
2907                         var->xoffset,
2908                         var->xres,
2909                         var->xres_virtual,
2910                         var->yoffset, var->yres, var->yres_virtual);
2911                 return -EINVAL;
2912         }
2913
2914         return 0;
2915 }
2916
2917 static ssize_t rk_fb_read(struct fb_info *info, char __user *buf,
2918                           size_t count, loff_t *ppos)
2919 {
2920         unsigned long p = *ppos;
2921         u8 *buffer, *dst;
2922         u8 __iomem *src;
2923         int c, cnt = 0, err = 0;
2924         unsigned long total_size;
2925         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2926         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2927         struct rk_lcdc_win *win = NULL;
2928         int win_id = 0;
2929
2930         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2931         if (win_id < 0)
2932                 return -ENODEV;
2933         else
2934                 win = dev_drv->win[win_id];
2935
2936         /* only read the current frame buffer */
2937         if (win->area[0].format == RGB565) {
2938                 total_size = win->area[0].y_vir_stride * win->area[0].yact << 1;
2939         } else if ((win->area[0].format == YUV420) ||
2940                    (win->area[0].format == YUV420_NV21)) {
2941                 total_size =
2942                     (win->area[0].y_vir_stride * win->area[0].yact * 6);
2943         } else {
2944                 total_size = win->area[0].y_vir_stride * win->area[0].yact << 2;
2945         }
2946         if (p >= total_size)
2947                 return 0;
2948
2949         if (count >= total_size)
2950                 count = total_size;
2951
2952         if (count + p > total_size)
2953                 count = total_size - p;
2954
2955         buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
2956         if (!buffer)
2957                 return -ENOMEM;
2958
2959         src = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
2960
2961         while (count) {
2962                 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
2963                 dst = buffer;
2964                 fb_memcpy_fromfb(dst, src, c);
2965                 dst += c;
2966                 src += c;
2967
2968                 if (copy_to_user(buf, buffer, c)) {
2969                         err = -EFAULT;
2970                         break;
2971                 }
2972                 *ppos += c;
2973                 buf += c;
2974                 cnt += c;
2975                 count -= c;
2976         }
2977
2978         kfree(buffer);
2979
2980         return (err) ? err : cnt;
2981 }
2982
2983 static ssize_t rk_fb_write(struct fb_info *info, const char __user *buf,
2984                            size_t count, loff_t *ppos)
2985 {
2986         unsigned long p = *ppos;
2987         u8 *buffer, *src;
2988         u8 __iomem *dst;
2989         int c, cnt = 0, err = 0;
2990         unsigned long total_size;
2991         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2992         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2993         struct rk_lcdc_win *win = NULL;
2994         int win_id = 0;
2995
2996         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2997         if (win_id < 0)
2998                 return -ENODEV;
2999         else
3000                 win = dev_drv->win[win_id];
3001
3002         /* write the current frame buffer */
3003         if (win->area[0].format == RGB565)
3004                 total_size = win->area[0].xact * win->area[0].yact << 1;
3005         else
3006                 total_size = win->area[0].xact * win->area[0].yact << 2;
3007
3008         if (p > total_size)
3009                 return -EFBIG;
3010
3011         if (count > total_size) {
3012                 err = -EFBIG;
3013                 count = total_size;
3014         }
3015
3016         if (count + p > total_size) {
3017                 if (!err)
3018                         err = -ENOSPC;
3019
3020                 count = total_size - p;
3021         }
3022
3023         buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
3024         if (!buffer)
3025                 return -ENOMEM;
3026
3027         dst = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
3028
3029         while (count) {
3030                 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
3031                 src = buffer;
3032
3033                 if (copy_from_user(src, buf, c)) {
3034                         err = -EFAULT;
3035                         break;
3036                 }
3037
3038                 fb_memcpy_tofb(dst, src, c);
3039                 dst += c;
3040                 src += c;
3041                 *ppos += c;
3042                 buf += c;
3043                 cnt += c;
3044                 count -= c;
3045         }
3046
3047         kfree(buffer);
3048
3049         return (cnt) ? cnt : err;
3050 }
3051
3052 static int rk_fb_set_par(struct fb_info *info)
3053 {
3054         struct fb_var_screeninfo *var = &info->var;
3055         struct fb_fix_screeninfo *fix = &info->fix;
3056         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
3057         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3058         struct rk_lcdc_win *win = NULL;
3059         struct rk_screen *screen = dev_drv->cur_screen;
3060         int win_id = 0;
3061         u16 xsize = 0, ysize = 0;       /* winx display window height/width --->LCDC_WINx_DSP_INFO */
3062         u32 xoffset = var->xoffset;     /* offset from virtual to visible */
3063         u32 yoffset = var->yoffset;
3064         u16 xpos = (var->nonstd >> 8) & 0xfff;  /*visiable pos in panel */
3065         u16 ypos = (var->nonstd >> 20) & 0xfff;
3066         u32 xvir = var->xres_virtual;
3067         u8 data_format = var->nonstd & 0xff;
3068         u8 fb_data_fmt;
3069         u8 pixel_width;
3070         u32 vir_width_bit;
3071         u32 stride, uv_stride;
3072         u32 stride_32bit_1;
3073         u32 stride_32bit_2;
3074         u16 uv_x_off, uv_y_off, uv_y_act;
3075         u8 is_pic_yuv = 0;
3076         /*var->pixclock = dev_drv->pixclock;*/
3077         if (dev_drv->suspend_flag)
3078                 return 0;
3079         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3080         if (win_id < 0)
3081                 return -ENODEV;
3082         else
3083                 win = dev_drv->win[win_id];
3084
3085         /* if the application has specific the hor and ver display size */
3086         if (var->grayscale >> 8) {
3087                 xsize = (var->grayscale >> 8) & 0xfff;
3088                 ysize = (var->grayscale >> 20) & 0xfff;
3089                 if (xsize > screen->mode.xres)
3090                         xsize = screen->mode.xres;
3091                 if (ysize > screen->mode.yres)
3092                         ysize = screen->mode.yres;
3093         } else {                /*ohterwise  full  screen display */
3094                 xsize = screen->mode.xres;
3095                 ysize = screen->mode.yres;
3096         }
3097
3098         win->colorspace = CSC_FORMAT(data_format);
3099         data_format &= ~CSC_MASK;
3100         fb_data_fmt = rk_fb_data_fmt(data_format, var->bits_per_pixel);
3101         if (IS_FBDC_FMT(fb_data_fmt)) {
3102                 win->area[0].fbdc_en = 1;
3103                 win->area[0].fbdc_cor_en = 1;
3104         } else {
3105                 win->area[0].fbdc_en = 0;
3106                 win->area[0].fbdc_cor_en = 0;
3107         }
3108         pixel_width = rk_fb_pixel_width(fb_data_fmt);
3109         vir_width_bit = pixel_width * xvir;
3110         /* pixel_width = byte_num * 8 */
3111         stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
3112         stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
3113
3114         switch (fb_data_fmt) {
3115         case YUV422:
3116         case YUV422_A:
3117                 is_pic_yuv = 1;
3118                 stride = stride_32bit_1;
3119                 uv_stride = stride_32bit_1;
3120                 uv_x_off = xoffset;
3121                 uv_y_off = yoffset;
3122                 fix->line_length = stride;
3123                 uv_y_act = win->area[0].yact >> 1;
3124                 break;
3125         case YUV420:            /* nv12 */
3126         case YUV420_NV21:       /* nv21 */
3127         case YUV420_A:
3128                 is_pic_yuv = 1;
3129                 stride = stride_32bit_1;
3130                 uv_stride = stride_32bit_1;
3131                 uv_x_off = xoffset;
3132                 uv_y_off = yoffset >> 1;
3133                 fix->line_length = stride;
3134                 uv_y_act = win->area[0].yact >> 1;
3135                 break;
3136         case YUV444:
3137         case YUV444_A:
3138                 is_pic_yuv = 1;
3139                 stride = stride_32bit_1;
3140                 uv_stride = stride_32bit_2;
3141                 uv_x_off = xoffset * 2;
3142                 uv_y_off = yoffset;
3143                 fix->line_length = stride << 2;
3144                 uv_y_act = win->area[0].yact;
3145                 break;
3146         default:
3147                 stride = stride_32bit_1;        /* default rgb */
3148                 fix->line_length = stride;
3149                 break;
3150         }
3151
3152         win->area[0].format = fb_data_fmt;
3153         win->area[0].y_vir_stride = stride >> 2;
3154         win->area[0].uv_vir_stride = uv_stride >> 2;
3155         win->area[0].xpos = xpos;
3156         win->area[0].ypos = ypos;
3157         win->area[0].xsize = xsize;
3158         win->area[0].ysize = ysize;
3159         win->area[0].xact = var->xres;  /* winx active window height,is a wint of vir */
3160         win->area[0].yact = var->yres;
3161         win->area[0].xvir = var->xres_virtual;  /* virtual resolution  stride --->LCDC_WINx_VIR */
3162         win->area[0].yvir = var->yres_virtual;
3163         win->area[0].xoff = xoffset;
3164         win->area[0].yoff = yoffset;
3165         win->ymirror = 0;
3166         win->state = 1;
3167         win->last_state = 1;
3168
3169         win->area_num = 1;
3170         win->alpha_mode = 4;    /* AB_SRC_OVER; */
3171         win->alpha_en = ((win->area[0].format == ARGB888) ||
3172                          (win->area[0].format == FBDC_ARGB_888) ||
3173                          (win->area[0].format == FBDC_ABGR_888) ||
3174                          (win->area[0].format == ABGR888)) ? 1 : 0;
3175         win->g_alpha_val = 0;
3176
3177         dev_drv->ops->set_par(dev_drv, win_id);
3178
3179         return 0;
3180 }
3181
3182 static inline unsigned int chan_to_field(unsigned int chan,
3183                                          struct fb_bitfield *bf)
3184 {
3185         chan &= 0xffff;
3186         chan >>= 16 - bf->length;
3187         return chan << bf->offset;
3188 }
3189
3190 static int fb_setcolreg(unsigned regno,
3191                         unsigned red, unsigned green, unsigned blue,
3192                         unsigned transp, struct fb_info *info)
3193 {
3194         unsigned int val;
3195
3196         switch (info->fix.visual) {
3197         case FB_VISUAL_TRUECOLOR:
3198                 /* true-colour, use pseudo-palette */
3199                 if (regno < 16) {
3200                         u32 *pal = info->pseudo_palette;
3201                         val = chan_to_field(red, &info->var.red);
3202                         val |= chan_to_field(green, &info->var.green);
3203                         val |= chan_to_field(blue, &info->var.blue);
3204                         pal[regno] = val;
3205                 }
3206                 break;
3207         default:
3208                 return -1;      /* unknown type */
3209         }
3210
3211         return 0;
3212 }
3213
3214 static int rk_fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
3215 {
3216         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3217         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
3218         struct ion_handle *handle = fb_par->ion_hdl;
3219         struct dma_buf *dma_buf = NULL;
3220
3221         if (IS_ERR_OR_NULL(handle)) {
3222                 dev_err(info->dev, "failed to get ion handle:%ld\n",
3223                         PTR_ERR(handle));
3224                 return -ENOMEM;
3225         }
3226         dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3227         if (IS_ERR_OR_NULL(dma_buf)) {
3228                 pr_info("get ion share dma buf failed\n");
3229                 return -ENOMEM;
3230         }
3231
3232         vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
3233
3234         return dma_buf_mmap(dma_buf, vma, 0);
3235 }
3236
3237 static struct fb_ops fb_ops = {
3238         .owner = THIS_MODULE,
3239         .fb_open = rk_fb_open,
3240         .fb_release = rk_fb_close,
3241         .fb_check_var = rk_fb_check_var,
3242         .fb_set_par = rk_fb_set_par,
3243         .fb_blank = rk_fb_blank,
3244         .fb_ioctl = rk_fb_ioctl,
3245         .fb_compat_ioctl = rk_fb_ioctl,
3246         .fb_pan_display = rk_fb_pan_display,
3247         .fb_read = rk_fb_read,
3248         .fb_write = rk_fb_write,
3249         .fb_setcolreg = fb_setcolreg,
3250         .fb_fillrect = cfb_fillrect,
3251         .fb_copyarea = cfb_copyarea,
3252         .fb_imageblit = cfb_imageblit,
3253 };
3254
3255 static struct fb_var_screeninfo def_var = {
3256 #if defined(CONFIG_LOGO_LINUX_BMP)
3257         .red = {16, 8, 0},
3258         .green = {8, 8, 0},
3259         .blue = {0, 8, 0},
3260         .transp = {0, 0, 0},
3261         .nonstd = HAL_PIXEL_FORMAT_BGRA_8888,
3262 #else
3263         .red = {11, 5, 0},
3264         .green = {5, 6, 0},
3265         .blue = {0, 5, 0},
3266         .transp = {0, 0, 0},
3267         .nonstd = HAL_PIXEL_FORMAT_RGB_565,     /* (ypos<<20+xpos<<8+format) format */
3268 #endif
3269         .grayscale = 0,         /* (ysize<<20+xsize<<8) */
3270         .activate = FB_ACTIVATE_NOW,
3271         .accel_flags = 0,
3272         .vmode = FB_VMODE_NONINTERLACED,
3273 };
3274
3275 static struct fb_fix_screeninfo def_fix = {
3276         .type = FB_TYPE_PACKED_PIXELS,
3277         .type_aux = 0,
3278         .xpanstep = 1,
3279         .ypanstep = 1,
3280         .ywrapstep = 0,
3281         .accel = FB_ACCEL_NONE,
3282         .visual = FB_VISUAL_TRUECOLOR,
3283
3284 };
3285
3286 static int rk_fb_wait_for_vsync_thread(void *data)
3287 {
3288         struct rk_lcdc_driver *dev_drv = data;
3289         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3290         struct fb_info *fbi = rk_fb->fb[dev_drv->fb_index_base];
3291
3292         while (!kthread_should_stop()) {
3293                 ktime_t timestamp = dev_drv->vsync_info.timestamp;
3294                 int ret = wait_event_interruptible(dev_drv->vsync_info.wait,
3295                                 !ktime_equal(timestamp, dev_drv->vsync_info.timestamp) &&
3296                                 (dev_drv->vsync_info.active || dev_drv->vsync_info.irq_stop));
3297
3298                 if (!ret)
3299                         sysfs_notify(&fbi->dev->kobj, NULL, "vsync");
3300         }
3301
3302         return 0;
3303 }
3304
3305 static ssize_t rk_fb_vsync_show(struct device *dev,
3306                                 struct device_attribute *attr, char *buf)
3307 {
3308         struct fb_info *fbi = dev_get_drvdata(dev);
3309         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3310         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3311
3312         return scnprintf(buf, PAGE_SIZE, "%llu\n",
3313                          ktime_to_ns(dev_drv->vsync_info.timestamp));
3314 }
3315
3316 static DEVICE_ATTR(vsync, S_IRUGO, rk_fb_vsync_show, NULL);
3317
3318 /*
3319  * this two function is for other module that in the kernel which
3320  * need show image directly through fb
3321  * fb_id:we have 4 fb here,default we use fb0 for ui display
3322  */
3323 struct fb_info *rk_get_fb(int fb_id)
3324 {
3325         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3326         struct fb_info *fb = inf->fb[fb_id];
3327         return fb;
3328 }
3329 EXPORT_SYMBOL(rk_get_fb);
3330
3331 void rk_direct_fb_show(struct fb_info *fbi)
3332 {
3333         rk_fb_set_par(fbi);
3334         rk_fb_pan_display(&fbi->var, fbi);
3335 }
3336 EXPORT_SYMBOL(rk_direct_fb_show);
3337
3338 int rk_fb_dpi_open(bool open)
3339 {
3340         struct rk_lcdc_driver *dev_drv = NULL;
3341
3342         dev_drv = rk_get_prmry_lcdc_drv();
3343         if (dev_drv->ops->dpi_open)
3344                 dev_drv->ops->dpi_open(dev_drv, open);
3345         return 0;
3346 }
3347
3348 int rk_fb_dpi_win_sel(int win_id)
3349 {
3350         struct rk_lcdc_driver *dev_drv = NULL;
3351
3352         dev_drv = rk_get_prmry_lcdc_drv();
3353         if (dev_drv->ops->dpi_win_sel)
3354                 dev_drv->ops->dpi_win_sel(dev_drv, win_id);
3355         return 0;
3356 }
3357
3358 int rk_fb_dpi_status(void)
3359 {
3360         int ret = 0;
3361         struct rk_lcdc_driver *dev_drv = NULL;
3362
3363         dev_drv = rk_get_prmry_lcdc_drv();
3364         if (dev_drv->ops->dpi_status)
3365                 ret = dev_drv->ops->dpi_status(dev_drv);
3366
3367         return ret;
3368 }
3369
3370 /*
3371  * function: this function will be called by display device, enable/disable lcdc
3372  * @screen: screen timing to be set to lcdc
3373  * @enable: 0 disable lcdc; 1 enable change lcdc timing; 2 just enable dclk
3374  * @lcdc_id: the lcdc id the display device attached ,0 or 1
3375  */
3376 int rk_fb_switch_screen(struct rk_screen *screen, int enable, int lcdc_id)
3377 {
3378         struct rk_fb *rk_fb =  platform_get_drvdata(fb_pdev);
3379         struct fb_info *info = NULL;
3380         struct rk_fb_par *fb_par = NULL;
3381         struct rk_lcdc_driver *dev_drv = NULL;
3382         struct rk_lcdc_win *win;
3383         char name[6] = {0};
3384         int i, win_id;
3385         static bool load_screen;
3386         char *envp[4];
3387         char envplcdc[32];
3388         char envpfbdev[32];
3389         int ret, list_is_empty = 0;
3390
3391         if (unlikely(!rk_fb) || unlikely(!screen))
3392                 return -ENODEV;
3393
3394         /* get lcdc driver */
3395         sprintf(name, "lcdc%d", lcdc_id);
3396         dev_drv = rk_get_lcdc_drv(name);
3397
3398         if (dev_drv == NULL) {
3399                 pr_err("%s driver not found!", name);
3400                 return -ENODEV;
3401         }
3402         if (screen->type == SCREEN_HDMI)
3403                 pr_info("hdmi %s lcdc%d\n",
3404                         enable ? "connect to" : "remove from",
3405                         dev_drv->id);
3406         else if (screen->type == SCREEN_TVOUT ||
3407                  screen->type == SCREEN_TVOUT_TEST)
3408                 pr_info("cvbs %s lcdc%d\n",
3409                         enable ? "connect to" : "remove from",
3410                         dev_drv->id);
3411         if (enable == 2 /*&& dev_drv->enable*/)
3412                 return 0;
3413         pr_info("switch:en=%d,lcdc_id=%d,screen type=%d,cur type=%d\n",
3414                 enable, lcdc_id, screen->type, dev_drv->cur_screen->type);
3415
3416         mutex_lock(&dev_drv->switch_screen);
3417         hdmi_switch_state = 0;
3418         dev_drv->hdmi_switch = 1;
3419         if (!dev_drv->uboot_logo) {
3420                 mdelay(200);
3421                 list_is_empty = list_empty(&dev_drv->update_regs_list) &&
3422                                            list_empty(&dev_drv->saved_list);
3423                 if (!list_is_empty) {
3424                         ret = wait_event_timeout(dev_drv->update_regs_wait,
3425                                                  list_empty(&dev_drv->update_regs_list) &&
3426                                                  list_empty(&dev_drv->saved_list),
3427                                                  msecs_to_jiffies(60));
3428                         if (ret <= 0)
3429                                 pr_info("%s: wait update_regs_wait timeout\n",
3430                                         __func__);
3431                 }
3432         }
3433
3434         envp[0] = "switch screen";
3435         memset(envplcdc, 0, sizeof(envplcdc));
3436         memset(envpfbdev, 0, sizeof(envpfbdev));
3437         sprintf(envplcdc, "SCREEN=%d,ENABLE=%d", screen->type, enable);
3438         sprintf(envpfbdev, "FBDEV=%d", dev_drv->fb_index_base);
3439         envp[1] = envplcdc;
3440         envp[2] = envpfbdev;
3441         envp[3] = NULL;
3442
3443         if ((rk_fb->disp_mode == ONE_DUAL) ||
3444             (rk_fb->disp_mode == NO_DUAL)) {
3445                 if ((dev_drv->ops->backlight_close) &&
3446                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX))
3447                         dev_drv->ops->backlight_close(dev_drv, 1);
3448                 if (!dev_drv->uboot_logo || load_screen ||
3449                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX)) {
3450                         if (dev_drv->ops->dsp_black)
3451                                 dev_drv->ops->dsp_black(dev_drv, 0);
3452                 }
3453                 if ((dev_drv->ops->set_screen_scaler) &&
3454                     (rk_fb->disp_mode == ONE_DUAL))
3455                         dev_drv->ops->set_screen_scaler(dev_drv,
3456                                                         dev_drv->screen0, 0);
3457         }
3458         if (!enable) {
3459                 /* if screen type is different, we do not disable lcdc. */
3460                 if (dev_drv->cur_screen->type != screen->type) {
3461                         dev_drv->hdmi_switch = 0;
3462                         mutex_unlock(&dev_drv->switch_screen);
3463                         return 0;
3464                 }
3465
3466                 /* if used one lcdc to dual disp, no need to close win */
3467                 if ((rk_fb->disp_mode == ONE_DUAL) ||
3468                     ((rk_fb->disp_mode == NO_DUAL) &&
3469                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX))) {
3470                         dev_drv->cur_screen = dev_drv->screen0;
3471                         dev_drv->ops->load_screen(dev_drv, 1);
3472                         /* force modify dsp size */
3473                         info = rk_fb->fb[dev_drv->fb_index_base];
3474                         info->var.grayscale &= 0xff;
3475                         info->var.grayscale |=
3476                                 (dev_drv->cur_screen->mode.xres << 8) +
3477                                 (dev_drv->cur_screen->mode.yres << 20);
3478                         mutex_lock(&dev_drv->win_config);
3479                         info->var.xoffset = 0;
3480                         info->var.yoffset = 0;
3481                         info->fbops->fb_set_par(info);
3482                         info->fbops->fb_pan_display(&info->var, info);
3483                         mutex_unlock(&dev_drv->win_config);
3484
3485                         /*
3486                          * if currently is loader display, black until new
3487                          * display job.
3488                          */
3489                         if (dev_drv->uboot_logo) {
3490                                 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3491                                         if (dev_drv->win[i] && dev_drv->win[i]->state &&
3492                                             dev_drv->ops->win_direct_en)
3493                                                 dev_drv->ops->win_direct_en(dev_drv, i, 0);
3494                                 }
3495                         }
3496
3497                         /*if (dev_drv->ops->dsp_black)
3498                          *      dev_drv->ops->dsp_black(dev_drv, 0);
3499                          */
3500                         if ((dev_drv->ops->backlight_close) &&
3501                             (rk_fb->disp_policy != DISPLAY_POLICY_BOX))
3502                                 dev_drv->ops->backlight_close(dev_drv, 0);
3503                 } else if (rk_fb->num_lcdc > 1) {
3504                         /* If there is more than one lcdc device, we disable
3505                          *  the layer which attached to this device
3506                          */
3507                         dev_drv->suspend_flag = 1;
3508                         flush_kthread_worker(&dev_drv->update_regs_worker);
3509                         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3510                                 if (dev_drv->win[i] && dev_drv->win[i]->state)
3511                                         dev_drv->ops->open(dev_drv, i, 0);
3512                         }
3513                 }
3514                 kobject_uevent_env(&dev_drv->dev->kobj, KOBJ_CHANGE, envp);
3515
3516                 hdmi_switch_state = 0;
3517                 dev_drv->hdmi_switch = 0;
3518                 mutex_unlock(&dev_drv->switch_screen);
3519                 return 0;
3520         } else {
3521                 if (dev_drv->uboot_logo) {
3522                         if (dev_drv->cur_screen->mode.xres !=
3523                                 screen->mode.xres ||
3524                             dev_drv->cur_screen->mode.yres !=
3525                                 screen->mode.yres)
3526                                 load_screen = 1;
3527                 }
3528                 if (dev_drv->screen1)
3529                         dev_drv->cur_screen = dev_drv->screen1;
3530
3531                 memcpy(dev_drv->cur_screen, screen, sizeof(struct rk_screen));
3532                 dev_drv->cur_screen->xsize = dev_drv->cur_screen->mode.xres;
3533                 dev_drv->cur_screen->ysize = dev_drv->cur_screen->mode.yres;
3534                 dev_drv->cur_screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3535                 dev_drv->cur_screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3536         }
3537         if (!dev_drv->uboot_logo || load_screen ||
3538             (rk_fb->disp_policy != DISPLAY_POLICY_BOX)) {
3539                 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3540                         info = rk_fb->fb[dev_drv->fb_index_base + i];
3541                         fb_par = (struct rk_fb_par *)info->par;
3542                         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3543                         win = dev_drv->win[win_id];
3544                         if (win && fb_par->state) {
3545                                 dev_drv->ops->load_screen(dev_drv, 1);
3546
3547                                 info->var.activate |= FB_ACTIVATE_FORCE;
3548                                 if (rk_fb->disp_mode == ONE_DUAL) {
3549                                         info->var.grayscale &= 0xff;
3550                                         info->var.grayscale |=
3551                                                 (dev_drv->cur_screen->xsize << 8) +
3552                                                 (dev_drv->cur_screen->ysize << 20);
3553                                 }
3554                                 if (dev_drv->uboot_logo && win->state) {
3555                                         if (win->area[0].xpos ||
3556                                             win->area[0].ypos) {
3557                                                 win->area[0].xpos =
3558                                                         (screen->mode.xres -
3559                                                          win->area[0].xsize) / 2;
3560                                                 win->area[0].ypos =
3561                                                         (screen->mode.yres -
3562                                                          win->area[0].ysize) / 2;
3563                                         } else {
3564                                                 win->area[0].xsize =
3565                                                         screen->mode.xres;
3566                                                 win->area[0].ysize =
3567                                                         screen->mode.yres;
3568                                         }
3569                                         dev_drv->ops->set_par(dev_drv, i);
3570                                         dev_drv->ops->cfg_done(dev_drv);
3571                                 } else if (!dev_drv->win[win_id]->state) {
3572                                         dev_drv->ops->open(dev_drv, win_id, 1);
3573                                         dev_drv->suspend_flag = 0;
3574                                         mutex_lock(&dev_drv->win_config);
3575                                         info->var.xoffset = 0;
3576                                         info->var.yoffset = 0;
3577                                         info->fbops->fb_set_par(info);
3578                                         info->fbops->fb_pan_display(&info->var,
3579                                                                     info);
3580                                         mutex_unlock(&dev_drv->win_config);
3581                                 }
3582                         }
3583                 }
3584         } else {
3585                 dev_drv->ops->load_screen(dev_drv, 0);
3586         }
3587         kobject_uevent_env(&dev_drv->dev->kobj, KOBJ_CHANGE, envp);
3588
3589         hdmi_switch_state = 1;
3590         load_screen = true;
3591         dev_drv->hdmi_switch = 0;
3592         if ((rk_fb->disp_mode == ONE_DUAL) || (rk_fb->disp_mode == NO_DUAL)) {
3593                 if ((dev_drv->ops->set_screen_scaler) &&
3594                     (rk_fb->disp_mode == ONE_DUAL))
3595                         dev_drv->ops->set_screen_scaler(dev_drv,
3596                                                         dev_drv->screen0, 1);
3597                 /*if (dev_drv->ops->dsp_black)
3598                  *      dev_drv->ops->dsp_black(dev_drv, 0);*/
3599                 if ((dev_drv->ops->backlight_close) &&
3600                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
3601                     (rk_fb->disp_mode == ONE_DUAL))
3602                         dev_drv->ops->backlight_close(dev_drv, 0);
3603         }
3604         mutex_unlock(&dev_drv->switch_screen);
3605         return 0;
3606 }
3607
3608 /*
3609  * function:this function current only called by hdmi for
3610  *      scale the display
3611  * scale_x: scale rate of x resolution
3612  * scale_y: scale rate of y resolution
3613  * lcdc_id: the lcdc id the hdmi attached ,0 or 1
3614  */
3615 int rk_fb_disp_scale(u8 scale_x, u8 scale_y, u8 lcdc_id)
3616 {
3617         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3618         struct fb_info *info = NULL;
3619         struct fb_info *pmy_info = NULL;
3620         struct fb_var_screeninfo *var = NULL;
3621         struct rk_lcdc_driver *dev_drv = NULL;
3622         u16 screen_x, screen_y;
3623         u16 xpos, ypos;
3624         char name[6];
3625         struct rk_screen primary_screen;
3626
3627         rk_fb_get_prmry_screen(&primary_screen);
3628         if (primary_screen.type == SCREEN_HDMI)
3629                 return 0;
3630
3631         pr_err("should not be here--%s\n", __func__);
3632
3633         return 0;
3634         sprintf(name, "lcdc%d", lcdc_id);
3635
3636         if (inf->disp_mode == DUAL) {
3637                 dev_drv = rk_get_lcdc_drv(name);
3638                 if (!dev_drv) {
3639                         pr_err("%s driver not found!", name);
3640                         return -ENODEV;
3641                 }
3642         } else {
3643                 dev_drv = inf->lcdc_dev_drv[0];
3644         }
3645
3646         if (inf->num_lcdc == 1) {
3647                 info = inf->fb[0];
3648         } else if (inf->num_lcdc == 2) {
3649                 info = inf->fb[dev_drv->lcdc_win_num];
3650                 pmy_info = inf->fb[0];
3651         }
3652
3653         var = &info->var;
3654         screen_x = dev_drv->cur_screen->mode.xres;
3655         screen_y = dev_drv->cur_screen->mode.yres;
3656
3657         if (inf->disp_mode != DUAL && dev_drv->screen1) {
3658                 dev_drv->cur_screen->xpos =
3659                     (screen_x - screen_x * scale_x / 100) >> 1;
3660                 dev_drv->cur_screen->ypos =
3661                     (screen_y - screen_y * scale_y / 100) >> 1;
3662                 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3663                 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3664         } else {
3665                 xpos = (screen_x - screen_x * scale_x / 100) >> 1;
3666                 ypos = (screen_y - screen_y * scale_y / 100) >> 1;
3667                 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3668                 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3669                 if (inf->disp_mode == ONE_DUAL) {
3670                         var->nonstd &= 0xff;
3671                         var->nonstd |= (xpos << 8) + (ypos << 20);
3672                         var->grayscale &= 0xff;
3673                         var->grayscale |=
3674                                 (dev_drv->cur_screen->xsize << 8) +
3675                                 (dev_drv->cur_screen->ysize << 20);
3676                 }
3677         }
3678
3679         mutex_lock(&dev_drv->win_config);
3680         info->fbops->fb_set_par(info);
3681         dev_drv->ops->cfg_done(dev_drv);
3682         mutex_unlock(&dev_drv->win_config);
3683
3684         return 0;
3685 }
3686
3687 #if defined(CONFIG_ION_ROCKCHIP)
3688 static int rk_fb_alloc_buffer_by_ion(struct fb_info *fbi,
3689                                      struct rk_lcdc_win *win,
3690                                      unsigned long fb_mem_size)
3691 {
3692         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3693         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3694         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3695         struct ion_handle *handle;
3696         ion_phys_addr_t phy_addr;
3697         size_t len;
3698         int ret = 0;
3699
3700         if (dev_drv->iommu_enabled)
3701                 handle = ion_alloc(rk_fb->ion_client, (size_t)fb_mem_size, 0,
3702                                    ION_HEAP_SYSTEM_MASK, 0);
3703         else
3704                 handle = ion_alloc(rk_fb->ion_client, (size_t)fb_mem_size, 0,
3705                                    ION_HEAP_TYPE_DMA_MASK, 0);
3706         if (IS_ERR(handle)) {
3707                 dev_err(fbi->device, "failed to ion_alloc:%ld\n",
3708                         PTR_ERR(handle));
3709                 return -ENOMEM;
3710         }
3711
3712         fb_par->ion_hdl = handle;
3713         win->area[0].dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3714         if (IS_ERR_OR_NULL(win->area[0].dma_buf)) {
3715                 pr_info("ion_share_dma_buf() failed\n");
3716                 goto err_share_dma_buf;
3717         }
3718         win->area[0].ion_hdl = handle;
3719         if (dev_drv->prop == PRMRY)
3720                 fbi->screen_base = ion_map_kernel(rk_fb->ion_client, handle);
3721 #ifdef CONFIG_RK_IOMMU
3722         if (dev_drv->iommu_enabled && dev_drv->mmu_dev)
3723                 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, handle,
3724                                     (unsigned long *)&phy_addr,
3725                                     (unsigned long *)&len);
3726         else
3727                 ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3728 #else
3729         ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3730 #endif
3731         if (ret < 0) {
3732                 dev_err(fbi->dev, "ion map to get phy addr failed\n");
3733                 goto err_share_dma_buf;
3734         }
3735         fbi->fix.smem_start = phy_addr;
3736         fbi->fix.smem_len = len;
3737         pr_info("alloc_buffer:ion_phy_addr=0x%lx\n", phy_addr);
3738         return 0;
3739
3740 err_share_dma_buf:
3741         ion_free(rk_fb->ion_client, handle);
3742         return -ENOMEM;
3743 }
3744 #endif
3745
3746 static int rk_fb_alloc_buffer(struct fb_info *fbi)
3747 {
3748         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3749         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3750         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3751         struct rk_lcdc_win *win = NULL;
3752         int win_id;
3753         int ret = 0;
3754         unsigned long fb_mem_size;
3755 #if !defined(CONFIG_ION_ROCKCHIP)
3756         dma_addr_t fb_mem_phys;
3757         void *fb_mem_virt;
3758 #endif
3759         ion_phys_addr_t phy_addr;
3760         size_t len;
3761
3762         win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
3763         if (win_id < 0)
3764                 return -ENODEV;
3765         else
3766                 win = dev_drv->win[win_id];
3767
3768         if (!strcmp(fbi->fix.id, "fb0")) {
3769                 fb_mem_size = get_fb_size(dev_drv->reserved_fb);
3770 #if defined(CONFIG_ION_ROCKCHIP)
3771                 if (rk_fb_alloc_buffer_by_ion(fbi, win, fb_mem_size) < 0)
3772                         return -ENOMEM;
3773 #else
3774                 fb_mem_virt = dma_alloc_writecombine(fbi->dev, fb_mem_size,
3775                                                      &fb_mem_phys, GFP_KERNEL);
3776                 if (!fb_mem_virt) {
3777                         pr_err("%s: Failed to allocate framebuffer\n",
3778                                __func__);
3779                         return -ENOMEM;
3780                 }
3781                 fbi->fix.smem_len = fb_mem_size;
3782                 fbi->fix.smem_start = fb_mem_phys;
3783                 fbi->screen_base = fb_mem_virt;
3784 #endif
3785                 memset(fbi->screen_base, 0, fbi->fix.smem_len);
3786         } else {
3787                 if (dev_drv->prop == EXTEND && dev_drv->iommu_enabled) {
3788                         struct rk_lcdc_driver *dev_drv_prmry;
3789                         int win_id_prmry;
3790
3791                         fb_mem_size = get_fb_size(dev_drv->reserved_fb);
3792 #if defined(CONFIG_ION_ROCKCHIP)
3793                         dev_drv_prmry = rk_get_prmry_lcdc_drv();
3794                         if (dev_drv_prmry == NULL)
3795                                 return -ENODEV;
3796                         win_id_prmry =
3797                                 dev_drv_prmry->ops->fb_get_win_id(dev_drv_prmry,
3798                                                                  fbi->fix.id);
3799                         if (win_id_prmry < 0)
3800                                 return -ENODEV;
3801                         else
3802                                 fb_par->ion_hdl =
3803                                 dev_drv_prmry->win[win_id_prmry]->area[0].ion_hdl;
3804                                 fbi->screen_base =
3805                                         ion_map_kernel(rk_fb->ion_client,
3806                                                        fb_par->ion_hdl);
3807                                 dev_drv->win[win_id]->area[0].ion_hdl =
3808                                         fb_par->ion_hdl;
3809 #ifdef CONFIG_RK_IOMMU
3810                                 if (dev_drv->mmu_dev)
3811                                         ret = ion_map_iommu(dev_drv->dev,
3812                                                             rk_fb->ion_client,
3813                                                             fb_par->ion_hdl,
3814                                                             (unsigned long *)&phy_addr,
3815                                                             (unsigned long *)&len);
3816                                 else
3817                                         ret = ion_phys(rk_fb->ion_client,
3818                                                        fb_par->ion_hdl,
3819                                                        &phy_addr, &len);
3820 #endif
3821                                 if (ret < 0) {
3822                                         dev_err(fbi->dev, "ion map to get phy addr failed\n");
3823                                         return -ENOMEM;
3824                                 }
3825                                 fbi->fix.smem_start = phy_addr;
3826                                 fbi->fix.smem_len = len;
3827 #else
3828                         fb_mem_virt = dma_alloc_writecombine(fbi->dev,
3829                                                              fb_mem_size,
3830                                                              &fb_mem_phys,
3831                                                              GFP_KERNEL);
3832                         if (!fb_mem_virt) {
3833                                 pr_err("%s: Failed to allocate framebuffer\n",
3834                                        __func__);
3835                                 return -ENOMEM;
3836                         }
3837                         fbi->fix.smem_len = fb_mem_size;
3838                         fbi->fix.smem_start = fb_mem_phys;
3839                         fbi->screen_base = fb_mem_virt;
3840 #endif
3841                 } else {
3842                         fbi->fix.smem_start = rk_fb->fb[0]->fix.smem_start;
3843                         fbi->fix.smem_len = rk_fb->fb[0]->fix.smem_len;
3844                         fbi->screen_base = rk_fb->fb[0]->screen_base;
3845                 }
3846         }
3847
3848         fbi->screen_size = fbi->fix.smem_len;
3849         fb_par->fb_phy_base = fbi->fix.smem_start;
3850         fb_par->fb_virt_base = fbi->screen_base;
3851         fb_par->fb_size = fbi->fix.smem_len;
3852
3853         pr_info("%s:phy:%lx>>vir:%p>>len:0x%x\n", fbi->fix.id,
3854                        fbi->fix.smem_start, fbi->screen_base,
3855                        fbi->fix.smem_len);
3856         return ret;
3857 }
3858
3859 #if 0
3860 static int rk_release_fb_buffer(struct fb_info *fbi)
3861 {
3862         /* buffer for fb1 and fb3 are alloc by android */
3863         if (!strcmp(fbi->fix.id, "fb1") || !strcmp(fbi->fix.id, "fb3"))
3864                 return 0;
3865         iounmap(fbi->screen_base);
3866         release_mem_region(fbi->fix.smem_start, fbi->fix.smem_len);
3867         return 0;
3868 }
3869 #endif
3870
3871 static int init_lcdc_win(struct rk_lcdc_driver *dev_drv,
3872                          struct rk_lcdc_win *def_win)
3873 {
3874         int i;
3875         int lcdc_win_num = dev_drv->lcdc_win_num;
3876
3877         for (i = 0; i < lcdc_win_num; i++) {
3878                 struct rk_lcdc_win *win = NULL;
3879
3880                 win = kzalloc(sizeof(struct rk_lcdc_win), GFP_KERNEL);
3881                 if (!win) {
3882                         dev_err(dev_drv->dev, "kzmalloc for win fail!");
3883                         return -ENOMEM;
3884                 }
3885
3886                 strcpy(win->name, def_win[i].name);
3887                 win->id = def_win[i].id;
3888                 win->support_3d = def_win[i].support_3d;
3889                 dev_drv->win[i] = win;
3890         }
3891
3892         return 0;
3893 }
3894
3895 static int init_lcdc_device_driver(struct rk_fb *rk_fb,
3896                                    struct rk_lcdc_win *def_win, int index)
3897 {
3898         struct rk_lcdc_driver *dev_drv = rk_fb->lcdc_dev_drv[index];
3899         struct rk_screen *screen = devm_kzalloc(dev_drv->dev,
3900                                                 sizeof(struct rk_screen),
3901                                                 GFP_KERNEL);
3902         int i = 0;
3903
3904         if (!screen) {
3905                 dev_err(dev_drv->dev, "malloc screen for lcdc%d fail!",
3906                         dev_drv->id);
3907                 return -ENOMEM;
3908         }
3909
3910         screen->screen_id = 0;
3911         screen->lcdc_id = dev_drv->id;
3912         screen->overscan.left = 100;
3913         screen->overscan.top = 100;
3914         screen->overscan.right = 100;
3915         screen->overscan.bottom = 100;
3916
3917         screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3918         screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3919
3920         dev_drv->screen0 = screen;
3921         dev_drv->cur_screen = screen;
3922         /* devie use one lcdc + rk61x scaler for dual display */
3923         if ((rk_fb->disp_mode == ONE_DUAL) || (rk_fb->disp_mode == NO_DUAL)) {
3924                 struct rk_screen *screen1 =
3925                                 devm_kzalloc(dev_drv->dev,
3926                                              sizeof(struct rk_screen),
3927                                              GFP_KERNEL);
3928                 if (!screen1) {
3929                         dev_err(dev_drv->dev, "malloc screen1 for lcdc%d fail!",
3930                                 dev_drv->id);
3931                         return -ENOMEM;
3932                 }
3933                 screen1->screen_id = 1;
3934                 screen1->lcdc_id = 1;
3935                 dev_drv->screen1 = screen1;
3936         }
3937         sprintf(dev_drv->name, "lcdc%d", dev_drv->id);
3938         init_lcdc_win(dev_drv, def_win);
3939         init_completion(&dev_drv->frame_done);
3940         spin_lock_init(&dev_drv->cpl_lock);
3941         mutex_init(&dev_drv->fb_win_id_mutex);
3942         mutex_init(&dev_drv->win_config);
3943         mutex_init(&dev_drv->front_lock);
3944         mutex_init(&dev_drv->switch_screen);
3945         dev_drv->ops->fb_win_remap(dev_drv, dev_drv->fb_win_map);
3946         dev_drv->first_frame = 1;
3947         dev_drv->overscan.left = 100;
3948         dev_drv->overscan.top = 100;
3949         dev_drv->overscan.right = 100;
3950         dev_drv->overscan.bottom = 100;
3951         for (i = 0; i < RK30_MAX_LAYER_SUPPORT; i++)
3952                 dev_drv->area_support[i] = 1;
3953         if (dev_drv->ops->area_support_num)
3954                 dev_drv->ops->area_support_num(dev_drv, dev_drv->area_support);
3955         rk_disp_pwr_ctr_parse_dt(dev_drv);
3956         if (dev_drv->prop == PRMRY) {
3957                 rk_fb_set_prmry_screen(screen);
3958                 rk_fb_get_prmry_screen(screen);
3959         }
3960         dev_drv->trsm_ops = rk_fb_trsm_ops_get(screen->type);
3961         if (dev_drv->prop != PRMRY)
3962                 rk_fb_get_extern_screen(screen);
3963         dev_drv->output_color = screen->color_mode;
3964
3965         return 0;
3966 }
3967
3968 #ifdef CONFIG_LOGO_LINUX_BMP
3969 static struct linux_logo *bmp_logo;
3970 static int fb_prewine_bmp_logo(struct fb_info *info, int rotate)
3971 {
3972         bmp_logo = fb_find_logo(24);
3973         if (bmp_logo == NULL) {
3974                 pr_info("%s error\n", __func__);
3975                 return 0;
3976         }
3977         return 1;
3978 }
3979
3980 static void fb_show_bmp_logo(struct fb_info *info, int rotate)
3981 {
3982         unsigned char *src = bmp_logo->data;
3983         unsigned char *dst = info->screen_base;
3984         int i;
3985         unsigned int Needwidth = (*(src - 24) << 8) | (*(src - 23));
3986         unsigned int Needheight = (*(src - 22) << 8) | (*(src - 21));
3987
3988         for (i = 0; i < Needheight; i++)
3989                 memcpy(dst + info->var.xres * i * 4,
3990                        src + bmp_logo->width * i * 4, Needwidth * 4);
3991 }
3992 #endif
3993
3994 /*
3995  * check if the primary lcdc has registered,
3996  * the primary lcdc mas register first
3997  */
3998 bool is_prmry_rk_lcdc_registered(void)
3999 {
4000         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
4001
4002         if (rk_fb->lcdc_dev_drv[0])
4003                 return true;
4004         else
4005                 return false;
4006 }
4007
4008 __weak phys_addr_t uboot_logo_base;
4009 __weak phys_addr_t uboot_logo_size;
4010 __weak phys_addr_t uboot_logo_offset;
4011
4012 int rk_fb_register(struct rk_lcdc_driver *dev_drv,
4013                    struct rk_lcdc_win *win, int id)
4014 {
4015         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
4016         struct fb_info *fbi;
4017         struct rk_fb_par *fb_par = NULL;
4018         int i = 0, ret = 0, index = 0;
4019         unsigned long flags;
4020
4021         if (rk_fb->num_lcdc == RK30_MAX_LCDC_SUPPORT)
4022                 return -ENXIO;
4023
4024         for (i = 0; i < RK30_MAX_LCDC_SUPPORT; i++) {
4025                 if (!rk_fb->lcdc_dev_drv[i]) {
4026                         rk_fb->lcdc_dev_drv[i] = dev_drv;
4027                         rk_fb->lcdc_dev_drv[i]->id = id;
4028                         rk_fb->num_lcdc++;
4029                         break;
4030                 }
4031         }
4032
4033         index = i;
4034         init_lcdc_device_driver(rk_fb, win, index);
4035         dev_drv->fb_index_base = rk_fb->num_fb;
4036         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
4037                 fbi = framebuffer_alloc(0, &fb_pdev->dev);
4038                 if (!fbi) {
4039                         dev_err(&fb_pdev->dev, "fb framebuffer_alloc fail!");
4040                         ret = -ENOMEM;
4041                 }
4042                 fb_par = devm_kzalloc(&fb_pdev->dev, sizeof(struct rk_fb_par),
4043                                       GFP_KERNEL);
4044                 if (!fb_par) {
4045                         dev_err(&fb_pdev->dev, "malloc fb_par for fb%d fail!",
4046                                 rk_fb->num_fb);
4047                         return -ENOMEM;
4048                 }
4049                 fb_par->id = rk_fb->num_fb;
4050                 fb_par->lcdc_drv = dev_drv;
4051                 fbi->par = (void *)fb_par;
4052                 fbi->var = def_var;
4053                 fbi->fix = def_fix;
4054                 sprintf(fbi->fix.id, "fb%d", rk_fb->num_fb);
4055                 fb_videomode_to_var(&fbi->var, &dev_drv->cur_screen->mode);
4056                 fbi->var.grayscale |=
4057                     (fbi->var.xres << 8) + (fbi->var.yres << 20);
4058 #if defined(CONFIG_LOGO_LINUX_BMP)
4059                 fbi->var.bits_per_pixel = 32;
4060 #else
4061                 fbi->var.bits_per_pixel = 16;
4062 #endif
4063                 fbi->fix.line_length =
4064                     (fbi->var.xres_virtual) * (fbi->var.bits_per_pixel >> 3);
4065                 fbi->var.width = dev_drv->cur_screen->width;
4066                 fbi->var.height = dev_drv->cur_screen->height;
4067                 if (dev_drv->iommu_enabled)
4068                         fb_ops.fb_mmap = rk_fb_mmap;
4069                 fbi->fbops = &fb_ops;
4070                 fbi->flags = FBINFO_FLAG_DEFAULT;
4071                 fbi->pseudo_palette = dev_drv->win[i]->pseudo_pal;
4072                 ret = register_framebuffer(fbi);
4073                 if (ret < 0) {
4074                         dev_err(&fb_pdev->dev,
4075                                 "%s fb%d register_framebuffer fail!\n",
4076                                 __func__, rk_fb->num_fb);
4077                         return ret;
4078                 }
4079                 rkfb_create_sysfs(fbi);
4080                 rk_fb->fb[rk_fb->num_fb] = fbi;
4081                 dev_info(fbi->dev, "rockchip framebuffer registerd:%s\n",
4082                          fbi->fix.id);
4083                 rk_fb->num_fb++;
4084
4085                 if (i == 0) {
4086                         init_waitqueue_head(&dev_drv->vsync_info.wait);
4087                         init_waitqueue_head(&dev_drv->update_regs_wait);
4088                         ret = device_create_file(fbi->dev, &dev_attr_vsync);
4089                         if (ret)
4090                                 dev_err(fbi->dev,
4091                                         "failed to create vsync file\n");
4092                         dev_drv->vsync_info.thread =
4093                             kthread_run(rk_fb_wait_for_vsync_thread, dev_drv,
4094                                         "fb-vsync");
4095                         if (dev_drv->vsync_info.thread == ERR_PTR(-ENOMEM)) {
4096                                 dev_err(fbi->dev,
4097                                         "failed to run vsync thread\n");
4098                                 dev_drv->vsync_info.thread = NULL;
4099                         }
4100                         dev_drv->vsync_info.active = 1;
4101
4102                         mutex_init(&dev_drv->output_lock);
4103
4104                         INIT_LIST_HEAD(&dev_drv->update_regs_list);
4105                         mutex_init(&dev_drv->update_regs_list_lock);
4106                         init_kthread_worker(&dev_drv->update_regs_worker);
4107
4108                         dev_drv->update_regs_thread =
4109                             kthread_run(kthread_worker_fn,
4110                                         &dev_drv->update_regs_worker, "rk-fb");
4111                         if (IS_ERR(dev_drv->update_regs_thread)) {
4112                                 int err = PTR_ERR(dev_drv->update_regs_thread);
4113
4114                                 dev_drv->update_regs_thread = NULL;
4115                                 pr_info("failed to run update_regs thread\n");
4116                                 return err;
4117                         }
4118                         init_kthread_work(&dev_drv->update_regs_work,
4119                                           rk_fb_update_regs_handler);
4120
4121                         dev_drv->timeline =
4122                             sw_sync_timeline_create("fb-timeline");
4123                         dev_drv->timeline_max = 1;
4124                 }
4125         }
4126
4127         /* show logo for primary display device */
4128 #if !defined(CONFIG_FRAMEBUFFER_CONSOLE)
4129         if (dev_drv->prop == PRMRY) {
4130                 u16 xact, yact;
4131                 int format;
4132                 u32 dsp_addr;
4133                 struct fb_info *main_fbi = rk_fb->fb[0];
4134
4135                 main_fbi->fbops->fb_open(main_fbi, 1);
4136                 main_fbi->var.pixclock = dev_drv->pixclock;
4137 #if defined(CONFIG_RK_IOMMU)
4138                 if (dev_drv->iommu_enabled) {
4139                         if (dev_drv->mmu_dev)
4140                                 rockchip_iovmm_set_fault_handler(dev_drv->dev,
4141                                                 rk_fb_sysmmu_fault_handler);
4142                 }
4143 #endif
4144
4145                 rk_fb_alloc_buffer(main_fbi);   /* only alloc memory for main fb */
4146                 dev_drv->uboot_logo = support_uboot_display();
4147
4148                 if (dev_drv->uboot_logo &&
4149                     uboot_logo_offset && uboot_logo_base) {
4150                         int width, height, bits, xvir;
4151                         phys_addr_t start = uboot_logo_base + uboot_logo_offset;
4152                         unsigned int size = uboot_logo_size - uboot_logo_offset;
4153                         unsigned int nr_pages;
4154                         int ymirror = 0;
4155                         struct page **pages;
4156                         char *vaddr;
4157                         int i = 0;
4158
4159                         if (dev_drv->ops->get_dspbuf_info)
4160                                 dev_drv->ops->get_dspbuf_info(dev_drv, &xact,
4161                                         &yact, &format, &dsp_addr, &ymirror);
4162                         nr_pages = size >> PAGE_SHIFT;
4163                         pages = kzalloc(sizeof(struct page) * nr_pages,
4164                                         GFP_KERNEL);
4165                         while (i < nr_pages) {
4166                                 pages[i] = phys_to_page(start);
4167                                 start += PAGE_SIZE;
4168                                 i++;
4169                         }
4170                         vaddr = vmap(pages, nr_pages, VM_MAP,
4171                                      pgprot_writecombine(PAGE_KERNEL));
4172                         if (!vaddr) {
4173                                 pr_err("failed to vmap phy addr 0x%lx\n",
4174                                        (long)(uboot_logo_base +
4175                                        uboot_logo_offset));
4176                                 return -1;
4177                         }
4178
4179                         if (bmpdecoder(vaddr, main_fbi->screen_base, &width,
4180                                        &height, &bits)) {
4181                                 kfree(pages);
4182                                 vunmap(vaddr);
4183                                 return 0;
4184                         }
4185                         kfree(pages);
4186                         vunmap(vaddr);
4187                         if (dev_drv->uboot_logo &&
4188                             (width != xact || height != yact)) {
4189                                 pr_err("can't support uboot kernel logo use different size [%dx%d] != [%dx%d]\n",
4190                                        xact, yact, width, height);
4191                                 return 0;
4192                         }
4193                         xvir = ALIGN(width * bits, 1 << 5) >> 5;
4194                         ymirror = 0;
4195                         local_irq_save(flags);
4196                         if (dev_drv->ops->wait_frame_start)
4197                                 dev_drv->ops->wait_frame_start(dev_drv, 0);
4198                         if (dev_drv->ops->post_dspbuf) {
4199                                 dev_drv->ops->post_dspbuf(dev_drv,
4200                                         main_fbi->fix.smem_start,
4201                                         rk_fb_data_fmt(0, bits),
4202                                         width, height, xvir,
4203                                         ymirror);
4204                         }
4205                         if (dev_drv->iommu_enabled) {
4206                                 rk_fb_poll_wait_frame_complete();
4207                                 if (dev_drv->ops->mmu_en)
4208                                         dev_drv->ops->mmu_en(dev_drv);
4209                                 freed_index = 0;
4210                         }
4211                         local_irq_restore(flags);
4212                         return 0;
4213                 } else if (dev_drv->uboot_logo && uboot_logo_base) {
4214                         u32 start = uboot_logo_base;
4215                         int logo_len, i=0;
4216                         int y_mirror = 0;
4217                         unsigned int nr_pages;
4218                         struct page **pages;
4219                         char *vaddr;
4220                         int align = 0, xvir;
4221
4222                         dev_drv->ops->get_dspbuf_info(dev_drv, &xact,
4223                                                       &yact, &format,
4224                                                       &start,
4225                                                       &y_mirror);
4226                         logo_len = rk_fb_pixel_width(format) * xact * yact >> 3;
4227                         if (logo_len > uboot_logo_size ||
4228                             logo_len > main_fbi->fix.smem_len) {
4229                                 pr_err("logo size > uboot reserve buffer size\n");
4230                                 return -1;
4231                         }
4232                         if (y_mirror)
4233                                 start -= logo_len;
4234
4235                         align = start % PAGE_SIZE;
4236                         start -= align;
4237                         nr_pages = PAGE_ALIGN(logo_len + align) >> PAGE_SHIFT;
4238                         pages = kzalloc(sizeof(struct page) * nr_pages,
4239                                         GFP_KERNEL);
4240                         while (i < nr_pages) {
4241                                 pages[i] = phys_to_page(start);
4242                                 start += PAGE_SIZE;
4243                                 i++;
4244                         }
4245                         vaddr = vmap(pages, nr_pages, VM_MAP,
4246                                      pgprot_writecombine(PAGE_KERNEL));
4247                         if (!vaddr) {
4248                                 pr_err("failed to vmap phy addr 0x%x\n",
4249                                        start);
4250                                 return -1;
4251                         }
4252
4253                         memcpy(main_fbi->screen_base, vaddr + align, logo_len);
4254
4255                         kfree(pages);
4256                         vunmap(vaddr);
4257                         xvir = ALIGN(xact * rk_fb_pixel_width(format),
4258                                      1 << 5) >> 5;
4259                         local_irq_save(flags);
4260                         if (dev_drv->ops->wait_frame_start)
4261                                 dev_drv->ops->wait_frame_start(dev_drv, 0);
4262                         dev_drv->ops->post_dspbuf(dev_drv,
4263                                         main_fbi->fix.smem_start +
4264                                         (y_mirror ? logo_len : 0),
4265                                         format, xact, yact,
4266                                         xvir,
4267                                         y_mirror);
4268                         if (dev_drv->iommu_enabled) {
4269                                 rk_fb_poll_wait_frame_complete();
4270                                 if (dev_drv->ops->mmu_en)
4271                                         dev_drv->ops->mmu_en(dev_drv);
4272                                 freed_index = 0;
4273                         }
4274                         local_irq_restore(flags);
4275                         return 0;
4276                 } else {
4277                         if (dev_drv->iommu_enabled) {
4278                                 if (dev_drv->ops->mmu_en)
4279                                         dev_drv->ops->mmu_en(dev_drv);
4280                                 freed_index = 0;
4281                         }
4282                 }
4283 #if defined(CONFIG_LOGO)
4284                 main_fbi->fbops->fb_set_par(main_fbi);
4285 #if  defined(CONFIG_LOGO_LINUX_BMP)
4286                 if (fb_prewine_bmp_logo(main_fbi, FB_ROTATE_UR)) {
4287                         fb_set_cmap(&main_fbi->cmap, main_fbi);
4288                         fb_show_bmp_logo(main_fbi, FB_ROTATE_UR);
4289                 }
4290 #else
4291                 if (fb_prepare_logo(main_fbi, FB_ROTATE_UR)) {
4292                         fb_set_cmap(&main_fbi->cmap, main_fbi);
4293                         fb_show_logo(main_fbi, FB_ROTATE_UR);
4294                 }
4295 #endif
4296                 main_fbi->fbops->fb_pan_display(&main_fbi->var, main_fbi);
4297 #endif
4298         } else {
4299                 struct fb_info *extend_fbi = rk_fb->fb[rk_fb->num_fb >> 1];
4300
4301                 extend_fbi->var.pixclock = rk_fb->fb[0]->var.pixclock;
4302                 extend_fbi->fbops->fb_open(extend_fbi, 1);
4303 #if defined(CONFIG_RK_IOMMU)
4304                 if (dev_drv->iommu_enabled) {
4305                         if (dev_drv->mmu_dev)
4306                                 rockchip_iovmm_set_fault_handler(dev_drv->dev,
4307                                                                  rk_fb_sysmmu_fault_handler);
4308                 }
4309 #endif
4310                 rk_fb_alloc_buffer(extend_fbi);
4311         }
4312 #endif
4313         return 0;
4314 }
4315
4316 int rk_fb_unregister(struct rk_lcdc_driver *dev_drv)
4317 {
4318         struct rk_fb *fb_inf = platform_get_drvdata(fb_pdev);
4319         struct fb_info *fbi;
4320         int fb_index_base = dev_drv->fb_index_base;
4321         int fb_num = dev_drv->lcdc_win_num;
4322         int i = 0;
4323
4324         if (fb_inf->lcdc_dev_drv[i]->vsync_info.thread) {
4325                 fb_inf->lcdc_dev_drv[i]->vsync_info.irq_stop = 1;
4326                 kthread_stop(fb_inf->lcdc_dev_drv[i]->vsync_info.thread);
4327         }
4328
4329         for (i = 0; i < fb_num; i++)
4330                 kfree(dev_drv->win[i]);
4331
4332         for (i = fb_index_base; i < (fb_index_base + fb_num); i++) {
4333                 fbi = fb_inf->fb[i];
4334                 unregister_framebuffer(fbi);
4335                 /* rk_release_fb_buffer(fbi); */
4336                 framebuffer_release(fbi);
4337         }
4338         fb_inf->lcdc_dev_drv[dev_drv->id] = NULL;
4339         fb_inf->num_lcdc--;
4340
4341         return 0;
4342 }
4343
4344 static int rk_fb_probe(struct platform_device *pdev)
4345 {
4346         struct rk_fb *rk_fb = NULL;
4347         struct device_node *np = pdev->dev.of_node;
4348         u32 mode;
4349
4350         if (!np) {
4351                 dev_err(&pdev->dev, "Missing device tree node.\n");
4352                 return -EINVAL;
4353         }
4354
4355         rk_fb = devm_kzalloc(&pdev->dev, sizeof(struct rk_fb), GFP_KERNEL);
4356         if (!rk_fb) {
4357                 dev_err(&pdev->dev, "kmalloc for rk fb fail!");
4358                 return -ENOMEM;
4359         }
4360         platform_set_drvdata(pdev, rk_fb);
4361
4362         if (!of_property_read_u32(np, "rockchip,disp-mode", &mode)) {
4363                 rk_fb->disp_mode = mode;
4364
4365         } else {
4366                 dev_err(&pdev->dev, "no disp-mode node found!");
4367                 return -ENODEV;
4368         }
4369
4370         if (!of_property_read_u32(np, "rockchip,disp-policy", &mode)) {
4371                 rk_fb->disp_policy = mode;
4372                 pr_info("fb disp policy is %s\n",
4373                         rk_fb->disp_policy ? "box" : "sdk");
4374         }
4375
4376         if (!of_property_read_u32(np, "rockchip,uboot-logo-on", &uboot_logo_on))
4377                 pr_info("uboot-logo-on:%d\n", uboot_logo_on);
4378
4379         dev_set_name(&pdev->dev, "rockchip-fb");
4380 #if defined(CONFIG_ION_ROCKCHIP)
4381         rk_fb->ion_client = rockchip_ion_client_create("rk_fb");
4382         if (IS_ERR(rk_fb->ion_client)) {
4383                 dev_err(&pdev->dev, "failed to create ion client for rk fb");
4384                 return PTR_ERR(rk_fb->ion_client);
4385         } else {
4386                 dev_info(&pdev->dev, "rk fb ion client create success!\n");
4387         }
4388 #endif
4389
4390         fb_pdev = pdev;
4391         dev_info(&pdev->dev, "rockchip framebuffer driver probe\n");
4392         return 0;
4393 }
4394
4395 static int rk_fb_remove(struct platform_device *pdev)
4396 {
4397         struct rk_fb *rk_fb = platform_get_drvdata(pdev);
4398
4399         kfree(rk_fb);
4400         platform_set_drvdata(pdev, NULL);
4401         return 0;
4402 }
4403
4404 static void rk_fb_shutdown(struct platform_device *pdev)
4405 {
4406         struct rk_fb *rk_fb = platform_get_drvdata(pdev);
4407         int i;
4408
4409         for (i = 0; i < rk_fb->num_lcdc; i++) {
4410                 if (!rk_fb->lcdc_dev_drv[i])
4411                         continue;
4412                 sw_sync_timeline_inc(rk_fb->lcdc_dev_drv[i]->timeline, 1);
4413         }
4414 }
4415
4416 static const struct of_device_id rkfb_dt_ids[] = {
4417         {.compatible = "rockchip,rk-fb",},
4418         {}
4419 };
4420
4421 static struct platform_driver rk_fb_driver = {
4422         .probe = rk_fb_probe,
4423         .remove = rk_fb_remove,
4424         .driver = {
4425                    .name = "rk-fb",
4426                    .owner = THIS_MODULE,
4427                    .of_match_table = of_match_ptr(rkfb_dt_ids),
4428                    },
4429         .shutdown = rk_fb_shutdown,
4430 };
4431
4432 static int __init rk_fb_init(void)
4433 {
4434         return platform_driver_register(&rk_fb_driver);
4435 }
4436
4437 static void __exit rk_fb_exit(void)
4438 {
4439         platform_driver_unregister(&rk_fb_driver);
4440 }
4441
4442 fs_initcall(rk_fb_init);
4443 module_exit(rk_fb_exit);